Mercurial > urweb

annotate src/c/urweb.c @ 2265:a647a1560628

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Hard-code Sqlcache module (in Ur/Web) as effectful and reorder sqlcache.sml.
author Ziv Scully <ziv@mit.edu>
date Wed, 14 Oct 2015 00:07:00 -0400
parents 34ad83d9b729
children 1e3ba868f8bf
rev   line source
adamc@1268 1 #include "config.h"
adamc@1268 2
adamc@117 3 #include <stdlib.h>
adamc@102 4 #include <stdio.h>
adamc@117 5 #include <string.h>
adamc@457 6 #include <strings.h>
adamc@106 7 #include <ctype.h>
adamc@167 8 #include <setjmp.h>
adamc@167 9 #include <stdarg.h>
adamc@682 10 #include <assert.h>
adamc@741 11 #include <ctype.h>
adamc@1114 12 #include <limits.h>
adamc@1113 13 #include <stdint.h>
adamc@1094 14 #include <sys/types.h>
adamc@1094 15 #include <sys/socket.h>
adam@1397 16 #include <openssl/des.h>
adam@1486 17 #include <openssl/rand.h>
adam@1374 18 #include <time.h>
adam@1571 19 #include <math.h>
adamc@102 20
adamc@667 21 #include <pthread.h>
adamc@667 22
adamc@102 23 #include "types.h"
adamc@102 24
ziv@2234 25 #include "uthash.h"
ziv@2234 26
adam@1431 27 uw_unit uw_unit_v = 0;
adamc@102 28
adamc@667 29
adamc@667 30 // Socket extras
adamc@667 31
adamc@863 32 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667 33 while (len > 0) {
adamc@856 34 ssize_t n = send(sock, buf, len, 0);
adamc@856 35
adamc@856 36 if (n < 0)
adamc@856 37 return n;
adamc@856 38
adamc@856 39 buf += n;
adamc@856 40 len -= n;
adamc@856 41 }
adamc@856 42
adamc@856 43 return 0;
adamc@856 44 }
adamc@856 45
adamc@856 46 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856 47 while (len > 0) {
adamc@856 48 ssize_t n = write(fd, buf, len);
adamc@667 49
adamc@667 50 if (n < 0)
adamc@667 51 return n;
adamc@667 52
adamc@667 53 buf += n;
adamc@667 54 len -= n;
adamc@667 55 }
adamc@667 56
adamc@667 57 return 0;
adamc@667 58 }
adamc@667 59
adamc@667 60
adamc@667 61 // Buffers
adamc@667 62
adam@1369 63 void uw_buffer_init(size_t max, uw_buffer *b, size_t s) {
adamc@1113 64 b->max = max;
adamc@667 65 b->front = b->start = malloc(s);
adamc@667 66 b->back = b->front + s;
adamc@667 67 }
adamc@667 68
adam@1369 69 void uw_buffer_free(uw_buffer *b) {
adamc@667 70 free(b->start);
adamc@667 71 }
adamc@667 72
adam@1369 73 void uw_buffer_reset(uw_buffer *b) {
adamc@667 74 b->front = b->start;
ziv@2262 75 if (b->front != b->back) {
ziv@2262 76 *b->front = 0;
ziv@2262 77 }
adamc@667 78 }
adamc@667 79
adam@1369 80 int uw_buffer_check(uw_buffer *b, size_t extra) {
adamc@667 81 if (b->back - b->front < extra) {
adamc@667 82 size_t desired = b->front - b->start + extra, next;
adamc@667 83 char *new_heap;
adamc@667 84
adamc@667 85 next = b->back - b->start;
adamc@667 86 if (next == 0)
adamc@667 87 next = 1;
adamc@667 88 for (; next < desired; next *= 2);
adamc@667 89
adamc@1134 90 if (next > b->max) {
adamc@1113 91 if (desired <= b->max)
adamc@1113 92 next = desired;
adamc@1113 93 else
adamc@1113 94 return 1;
adamc@1134 95 }
adamc@1113 96
adamc@667 97 new_heap = realloc(b->start, next);
adamc@667 98 b->front = new_heap + (b->front - b->start);
adamc@667 99 b->back = new_heap + next;
adamc@667 100 b->start = new_heap;
adamc@667 101 }
adamc@1113 102
adamc@1113 103 return 0;
adamc@1113 104 }
adamc@1113 105
adamc@1113 106 __attribute__((noreturn)) void uw_error(uw_context, failure_kind, const char *, ...);
adamc@1113 107
adam@1369 108 static void ctx_uw_buffer_check(uw_context ctx, const char *kind, uw_buffer *b, size_t extra) {
adam@1369 109 if (uw_buffer_check(b, extra))
adamc@1113 110 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@667 111 }
adamc@667 112
adam@1369 113 size_t uw_buffer_used(uw_buffer *b) {
adamc@667 114 return b->front - b->start;
adamc@667 115 }
adamc@667 116
adam@1369 117 size_t uw_buffer_avail(uw_buffer *b) {
adamc@667 118 return b->back - b->start;
adamc@667 119 }
adamc@667 120
adam@1369 121 int uw_buffer_append(uw_buffer *b, const char *s, size_t len) {
adam@1369 122 if (uw_buffer_check(b, len+1))
adamc@1113 123 return 1;
adamc@1113 124
adamc@1113 125 memcpy(b->front, s, len);
adamc@1113 126 b->front += len;
adamc@1113 127 *b->front = 0;
adamc@1113 128
adamc@1113 129 return 0;
adamc@1113 130 }
adamc@1113 131
adam@1369 132 static void ctx_uw_buffer_append(uw_context ctx, const char *kind, uw_buffer *b, const char *s, size_t len) {
adam@1369 133 ctx_uw_buffer_check(ctx, kind, b, len+1);
adamc@1113 134
adamc@668 135 memcpy(b->front, s, len);
adamc@668 136 b->front += len;
adamc@672 137 *b->front = 0;
adamc@668 138 }
adamc@667 139
adamc@668 140
adamc@672 141 // Persistent state types
adamc@667 142
adamc@667 143 typedef enum { UNUSED, USED } usage;
adamc@667 144
adamc@667 145 typedef struct client {
adamc@682 146 unsigned id;
adamc@667 147 usage mode;
adamc@682 148 int pass;
adamc@682 149 struct client *next;
adamc@689 150 pthread_mutex_t lock, pull_lock;
adam@1369 151 uw_buffer msgs;
adamc@682 152 int sock;
adamc@863 153 int (*send)(int sockfd, const void *buf, ssize_t len);
adamc@863 154 int (*close)(int fd);
adamc@682 155 time_t last_contact;
adamc@682 156 unsigned n_channels;
adamc@685 157 unsigned refcount;
adamc@1121 158 void *data;
adamc@667 159 } client;
adamc@667 160
adamc@672 161
adamc@672 162 // Persistent client state
adamc@672 163
adamc@682 164 static client **clients, *clients_free, *clients_used;
adamc@682 165 static unsigned n_clients;
adamc@667 166
adam@1707 167 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@1113 168 size_t uw_messages_max = SIZE_MAX;
adamc@1113 169 size_t uw_clients_max = SIZE_MAX;
adamc@1113 170
adamc@1121 171 void *uw_init_client_data();
adamc@1121 172 void uw_free_client_data(void *);
adamc@1121 173 void uw_copy_client_data(void *dst, void *src);
adamc@1121 174
adam@2104 175 static uw_Basis_int my_rand() {
adam@2105 176 int ret, r = RAND_bytes((unsigned char *)&ret, sizeof ret);
adam@2104 177 if (r)
adam@2105 178 return abs(ret);
adam@2104 179 else
adam@2104 180 return -1;
adam@2104 181 }
adam@2104 182
adamc@682 183 static client *new_client() {
adamc@667 184 client *c;
adamc@667 185
adamc@667 186 pthread_mutex_lock(&clients_mutex);
adamc@667 187
adamc@667 188 if (clients_free) {
adamc@667 189 c = clients_free;
adamc@682 190 clients_free = clients_free->next;
adamc@667 191 }
adam@1672 192 else if (n_clients >= uw_clients_max) {
adam@1672 193 pthread_mutex_unlock(&clients_mutex);
adamc@1113 194 return NULL;
adam@1672 195 } else {
adamc@667 196 ++n_clients;
adamc@667 197 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667 198 c = malloc(sizeof(client));
adamc@667 199 c->id = n_clients-1;
adamc@682 200 pthread_mutex_init(&c->lock, NULL);
adamc@689 201 pthread_mutex_init(&c->pull_lock, NULL);
adam@1369 202 uw_buffer_init(uw_messages_max, &c->msgs, 0);
adamc@667 203 clients[n_clients-1] = c;
adamc@667 204 }
adamc@667 205
adamc@682 206 pthread_mutex_lock(&c->lock);
adamc@667 207 c->mode = USED;
adam@2104 208 c->pass = my_rand();
adamc@682 209 c->sock = -1;
adamc@682 210 c->last_contact = time(NULL);
adam@1369 211 uw_buffer_reset(&c->msgs);
adamc@682 212 c->n_channels = 0;
adamc@685 213 c->refcount = 0;
adamc@1121 214 c->data = uw_init_client_data();
adamc@682 215 pthread_mutex_unlock(&c->lock);
adamc@682 216
adamc@682 217 c->next = clients_used;
adamc@682 218 clients_used = c;
adamc@667 219
adamc@667 220 pthread_mutex_unlock(&clients_mutex);
adamc@667 221
adamc@667 222 return c;
adamc@667 223 }
adamc@667 224
adamc@685 225 static void use_client(client *c) {
adamc@685 226 pthread_mutex_lock(&c->lock);
adamc@685 227 ++c->refcount;
adamc@685 228 pthread_mutex_unlock(&c->lock);
adamc@689 229 pthread_mutex_lock(&c->pull_lock);
adamc@685 230 }
adamc@685 231
adamc@685 232 static void release_client(client *c) {
adamc@689 233 pthread_mutex_unlock(&c->pull_lock);
adamc@685 234 pthread_mutex_lock(&c->lock);
adamc@685 235 --c->refcount;
adamc@685 236 pthread_mutex_unlock(&c->lock);
adamc@685 237 }
adamc@685 238
adamc@856 239 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adam@1707 240 static pthread_t pruning_thread;
adam@1707 241 static int pruning_thread_initialized = 0;
adamc@667 242
adamc@682 243 static client *find_client(unsigned id) {
adamc@667 244 client *c;
adam@1708 245 int i_am_pruner = pruning_thread_initialized && pthread_equal(pruning_thread, pthread_self());
adam@1708 246
adam@1708 247 if (!i_am_pruner) pthread_mutex_lock(&clients_mutex);
adamc@667 248
adamc@667 249 if (id >= n_clients) {
adam@1708 250 if (!i_am_pruner) pthread_mutex_unlock(&clients_mutex);
adamc@668 251 return NULL;
adamc@667 252 }
adamc@667 253
adamc@667 254 c = clients[id];
adamc@667 255
adam@1708 256 if (!i_am_pruner) pthread_mutex_unlock(&clients_mutex);
adamc@668 257 return c;
adamc@668 258 }
adamc@668 259
adamc@856 260 static char *on_success = "HTTP/1.1 200 OK\r\n";
adam@1409 261 static char *on_redirect = "HTTP/1.1 303 See Other\r\n";
adamc@856 262
adamc@856 263 void uw_set_on_success(char *s) {
adamc@856 264 on_success = s;
adamc@856 265 }
adamc@856 266
adam@1552 267 static void chastise(int (*send)(int sockfd, const void *buf, ssize_t len), int sock) {
adam@1552 268 send(sock, on_success, strlen(on_success));
adam@1552 269 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1552 270 send(sock, "R", 1);
adam@1552 271 close(sock);
adam@1552 272 }
adam@1552 273
adamc@863 274 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863 275 int (*send)(int sockfd, const void *buf, ssize_t len),
adamc@864 276 int (*close)(int fd),
adamc@864 277 void *logger_data, uw_logger log_error) {
adamc@682 278 client *c = find_client(id);
adamc@668 279
adamc@668 280 if (c == NULL) {
adam@1552 281 chastise(send, sock);
adamc@864 282 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667 283 return;
adamc@667 284 }
adamc@667 285
adamc@682 286 pthread_mutex_lock(&c->lock);
adamc@671 287
adamc@682 288 if (c->mode != USED) {
adamc@682 289 pthread_mutex_unlock(&c->lock);
adam@1552 290 chastise(send, sock);
adamc@864 291 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667 292 return;
adamc@667 293 }
adamc@667 294
adamc@682 295 if (pass != c->pass) {
adamc@682 296 pthread_mutex_unlock(&c->lock);
adam@1552 297 chastise(send, sock);
adamc@864 298 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682 299 return;
adamc@667 300 }
adamc@667 301
adamc@682 302 if (c->sock != -1) {
adamc@863 303 c->close(c->sock);
adamc@682 304 c->sock = -1;
adamc@682 305 }
adamc@667 306
adamc@682 307 c->last_contact = time(NULL);
adamc@682 308
adam@1369 309 if (uw_buffer_used(&c->msgs) > 0) {
adamc@863 310 send(sock, on_success, strlen(on_success));
adamc@863 311 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1369 312 send(sock, c->msgs.start, uw_buffer_used(&c->msgs));
adam@1369 313 uw_buffer_reset(&c->msgs);
adamc@667 314 close(sock);
adamc@667 315 }
adamc@863 316 else {
adamc@682 317 c->sock = sock;
adamc@863 318 c->send = send;
adamc@863 319 c->close = close;
adamc@863 320 }
adamc@667 321
adamc@682 322 pthread_mutex_unlock(&c->lock);
adamc@667 323 }
adamc@667 324
adamc@682 325 static void free_client(client *c) {
adamc@682 326 c->mode = UNUSED;
adamc@682 327 c->pass = -1;
adamc@667 328
adamc@682 329 c->next = clients_free;
adamc@682 330 clients_free = c;
adamc@667 331 }
adamc@667 332
adamc@682 333 static uw_Basis_channel new_channel(client *c) {
adamc@682 334 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668 335 return ch;
adamc@668 336 }
adamc@668 337
adam@1447 338 static void client_send(client *c, uw_buffer *msg, const char *script, int script_len) {
adamc@685 339 pthread_mutex_lock(&c->lock);
adamc@671 340
adamc@682 341 if (c->sock != -1) {
adamc@863 342 c->send(c->sock, on_success, strlen(on_success));
adamc@863 343 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1447 344 if (script_len > 0) {
adam@1447 345 c->send(c->sock, "E\n", 2);
adam@1447 346 c->send(c->sock, script, script_len);
adam@1447 347 c->send(c->sock, "\n", 1);
adam@1447 348 }
adam@1369 349 c->send(c->sock, msg->start, uw_buffer_used(msg));
adamc@863 350 c->close(c->sock);
adamc@682 351 c->sock = -1;
adam@1665 352 } else if (uw_buffer_append(&c->msgs, msg->start, uw_buffer_used(msg)))
adamc@1113 353 fprintf(stderr, "Client message buffer size exceeded");
adamc@671 354
adamc@685 355 pthread_mutex_unlock(&c->lock);
adamc@668 356 }
adamc@668 357
adamc@668 358
adamc@668 359 // Global entry points
adamc@668 360
adamc@1164 361 extern void uw_global_custom();
adamc@1104 362 extern void uw_init_crypto();
adamc@1104 363
adamc@668 364 void uw_global_init() {
adamc@668 365 clients = malloc(0);
adamc@1104 366
adamc@1164 367 uw_global_custom();
adamc@1104 368 uw_init_crypto();
adamc@1094 369 }
adamc@1094 370
adamc@1094 371 void uw_app_init(uw_app *app) {
adamc@1094 372 app->client_init();
adamc@668 373 }
adamc@668 374
adam@1332 375 int uw_time = 0, uw_time_max = 0, uw_min_heap = 0;
adamc@1114 376
adamc@668 377
adamc@667 378 // Single-request state
adamc@667 379
adamc@323 380 typedef struct regions {
adamc@323 381 struct regions *next;
adamc@323 382 } regions;
adamc@323 383
adamc@425 384 typedef struct {
adamc@425 385 void (*func)(void*);
adamc@425 386 void *arg;
adamc@425 387 } cleanup;
adamc@425 388
adamc@671 389 typedef struct {
adamc@682 390 unsigned client;
adam@1369 391 uw_buffer msgs;
adamc@682 392 } delta;
adamc@671 393
adamc@737 394 typedef enum {
adamc@759 395 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737 396 } input_kind;
adamc@737 397
adamc@756 398 typedef struct input {
adamc@737 399 input_kind kind;
adamc@737 400 union {
adamc@737 401 char *normal;
adamc@739 402 uw_Basis_file file;
adamc@756 403 struct {
adamc@759 404 struct input *fields, *parent;
adamc@756 405 } subform;
adamc@759 406 struct {
adamc@759 407 struct input *entries, *parent;
adamc@759 408 } subforms;
adamc@759 409 struct {
adamc@759 410 struct input *fields, *next, *parent;
adamc@759 411 } entry;
adamc@737 412 } data;
adamc@737 413 } input;
adamc@737 414
adamc@771 415 typedef struct {
adamc@771 416 void *data;
adam@1327 417 uw_callback commit, rollback;
adam@1327 418 uw_callback_with_retry free;
adamc@771 419 } transactional;
adamc@771 420
adamc@1061 421 typedef struct {
adamc@1061 422 char *name;
adamc@1061 423 void *data;
adamc@1061 424 void (*free)(void*);
adamc@1061 425 } global;
adamc@1061 426
adamc@311 427 struct uw_context {
adamc@1094 428 uw_app *app;
adam@1446 429 int id;
adamc@1094 430
adamc@854 431 char *(*get_header)(void *, const char *);
adamc@854 432 void *get_header_data;
adamc@457 433
adam@1799 434 char *(*get_env)(void *, const char *);
adam@1799 435 void *get_env_data;
adam@1799 436
adam@1369 437 uw_buffer outHeaders, page, heap, script;
adam@1451 438 int allowed_to_return_indirectly, returning_indirectly;
adamc@759 439 input *inputs, *subinputs, *cur_container;
adamc@1094 440 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167 441
adam@1446 442 unsigned long long source_count;
adamc@562 443
adamc@272 444 void *db;
adam@1931 445 int transaction_started;
adamc@272 446
adamc@167 447 jmp_buf jmp_buf;
adamc@167 448
adamc@323 449 regions *regions;
adamc@323 450
adamc@425 451 cleanup *cleanup, *cleanup_front, *cleanup_back;
adamc@425 452
adamc@1094 453 const char *script_header;
adamc@643 454
adam@2056 455 int needs_push, needs_sig, could_write_db, at_most_one_query;
adamc@693 456
adamc@682 457 size_t n_deltas, used_deltas;
adamc@682 458 delta *deltas;
adamc@671 459
adamc@682 460 client *client;
adamc@682 461
adamc@771 462 transactional *transactionals;
adamc@771 463 size_t n_transactionals, used_transactionals;
adamc@771 464
adamc@1061 465 global *globals;
adamc@1061 466 size_t n_globals;
adamc@1061 467
adamc@1066 468 char *current_url;
adamc@1066 469
adamc@1114 470 int deadline;
adamc@1114 471
adamc@1121 472 void *client_data;
adamc@1121 473
grrwlf@1997 474 uw_loggers *loggers;
adam@1334 475
adam@1386 476 int isPost, hasPostBody;
adam@1347 477 uw_Basis_postBody postBody;
adam@1370 478 uw_Basis_string queryString;
adam@1347 479
adam@1556 480 unsigned nextId;
adam@1556 481
adam@1782 482 int amInitializing;
adam@1782 483
adamc@167 484 char error_message[ERROR_BUF_LEN];
adam@1877 485
adam@1877 486 int usedSig, needsResig;
adam@1949 487
adam@1949 488 char *output_buffer;
adam@1949 489 size_t output_buffer_size;
adam@2073 490
ziv@2204 491 // For caching.
ziv@2262 492 int numRecording;
ziv@2262 493 int recordingOffset;
ziv@2220 494
adam@2073 495 int remoteSock;
adamc@117 496 };
adamc@117 497
adamc@1113 498 size_t uw_headers_max = SIZE_MAX;
adamc@1113 499 size_t uw_page_max = SIZE_MAX;
adamc@1113 500 size_t uw_heap_max = SIZE_MAX;
adamc@1113 501 size_t uw_script_max = SIZE_MAX;
adamc@1113 502
grrwlf@1997 503 uw_context uw_init(int id, uw_loggers *lg) {
adamc@311 504 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 505
adamc@1094 506 ctx->app = NULL;
adam@1446 507 ctx->id = id;
adamc@1094 508
adamc@854 509 ctx->get_header = NULL;
adamc@854 510 ctx->get_header_data = NULL;
adamc@457 511
adam@1799 512 ctx->get_env = NULL;
adam@1799 513 ctx->get_env_data = NULL;
adam@1799 514
adam@1413 515 uw_buffer_init(uw_headers_max, &ctx->outHeaders, 1);
adam@1413 516 ctx->outHeaders.start[0] = 0;
adam@1413 517 uw_buffer_init(uw_page_max, &ctx->page, 1);
adam@1413 518 ctx->page.start[0] = 0;
adam@1451 519 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 520 uw_buffer_init(uw_heap_max, &ctx->heap, uw_min_heap);
adam@1369 521 uw_buffer_init(uw_script_max, &ctx->script, 1);
adamc@667 522 ctx->script.start[0] = 0;
adamc@136 523
adamc@1094 524 ctx->inputs = malloc(0);
adamc@759 525 ctx->cur_container = NULL;
adamc@756 526 ctx->subinputs = malloc(0);
adamc@1094 527 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 528
adamc@272 529 ctx->db = NULL;
adam@1931 530 ctx->transaction_started = 0;
adamc@272 531
adamc@323 532 ctx->regions = NULL;
adamc@323 533
adamc@425 534 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 535
adamc@643 536 ctx->script_header = "";
adamc@693 537 ctx->needs_push = 0;
adamc@736 538 ctx->needs_sig = 0;
adam@1936 539 ctx->could_write_db = 1;
adam@2056 540 ctx->at_most_one_query = 0;
adamc@1104 541
adamc@565 542 ctx->source_count = 0;
adamc@562 543
adamc@682 544 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 545 ctx->deltas = malloc(0);
adamc@671 546
adamc@700 547 ctx->client = NULL;
adamc@700 548
adamc@700 549 ctx->error_message[0] = 0;
adamc@700 550
adamc@771 551 ctx->transactionals = malloc(0);
adamc@771 552 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 553
adamc@1061 554 ctx->globals = malloc(0);
adamc@1061 555 ctx->n_globals = 0;
adamc@1061 556
adamc@1066 557 ctx->current_url = "";
adamc@1066 558
adamc@1114 559 ctx->deadline = INT_MAX;
adamc@1114 560
adamc@1121 561 ctx->client_data = uw_init_client_data();
adamc@1121 562
grrwlf@1997 563 ctx->loggers = lg;
adam@1334 564
adam@1386 565 ctx->isPost = ctx->hasPostBody = 0;
adam@1347 566
adam@1370 567 ctx->queryString = NULL;
adam@1370 568
adam@1556 569 ctx->nextId = 0;
adam@1556 570
adam@1782 571 ctx->amInitializing = 0;
adam@1782 572
adam@1877 573 ctx->usedSig = 0;
adam@1877 574 ctx->needsResig = 0;
adam@1877 575
adam@1949 576 ctx->output_buffer = malloc(1);
adam@1949 577 ctx->output_buffer_size = 1;
adam@1949 578
ziv@2262 579 ctx->numRecording = 0;
ziv@2262 580 ctx->recordingOffset = 0;
ziv@2204 581
adam@2073 582 ctx->remoteSock = -1;
adam@2073 583
adamc@117 584 return ctx;
adamc@106 585 }
adamc@106 586
adamc@1113 587 size_t uw_inputs_max = SIZE_MAX;
adamc@1113 588
adamc@1121 589 uw_app *uw_get_app(uw_context ctx) {
adamc@1121 590 return ctx->app;
adamc@1121 591 }
adamc@1121 592
adamc@1113 593 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094 594 ctx->app = app;
adamc@1094 595
adamc@1105 596 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113 597 if (app->inputs_len > uw_inputs_max)
adamc@1113 598 return 1;
adamc@1113 599
adamc@1094 600 ctx->sz_inputs = app->inputs_len;
adamc@1094 601 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094 602 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094 603 }
adamc@1134 604
adamc@1134 605 return 0;
adamc@1094 606 }
adamc@1094 607
adamc@1121 608 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121 609 uw_copy_client_data(ctx->client_data, data);
adamc@1121 610 }
adamc@1121 611
adamc@311 612 void uw_set_db(uw_context ctx, void *db) {
adamc@272 613 ctx->db = db;
adamc@272 614 }
adamc@272 615
adamc@311 616 void *uw_get_db(uw_context ctx) {
adamc@272 617 return ctx->db;
adamc@272 618 }
adamc@272 619
grrwlf@1997 620
grrwlf@1997 621 uw_loggers* uw_get_loggers(struct uw_context *ctx) {
grrwlf@1997 622 return ctx->loggers;
grrwlf@1997 623 }
grrwlf@1997 624
adamc@311 625 void uw_free(uw_context ctx) {
adamc@671 626 size_t i;
adamc@671 627
adam@1369 628 uw_buffer_free(&ctx->outHeaders);
adam@1369 629 uw_buffer_free(&ctx->script);
adam@1369 630 uw_buffer_free(&ctx->page);
adam@1369 631 uw_buffer_free(&ctx->heap);
adamc@144 632 free(ctx->inputs);
adamc@756 633 free(ctx->subinputs);
adamc@425 634 free(ctx->cleanup);
adamc@771 635 free(ctx->transactionals);
adamc@1121 636 uw_free_client_data(ctx->client_data);
adamc@671 637
adamc@682 638 for (i = 0; i < ctx->n_deltas; ++i)
adam@1369 639 uw_buffer_free(&ctx->deltas[i].msgs);
marco-oweber@1330 640 free(ctx->deltas);
adamc@671 641
adamc@1061 642 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089 643 if (ctx->globals[i].free)
adamc@1089 644 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330 645 free(ctx->globals);
adamc@1061 646
adam@1949 647 free(ctx->output_buffer);
adam@1949 648
adamc@136 649 free(ctx);
adamc@136 650 }
adamc@136 651
adamc@562 652 void uw_reset_keep_error_message(uw_context ctx) {
adam@1369 653 uw_buffer_reset(&ctx->outHeaders);
adam@1369 654 uw_buffer_reset(&ctx->script);
adamc@667 655 ctx->script.start[0] = 0;
adam@1369 656 uw_buffer_reset(&ctx->page);
adam@1451 657 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 658 uw_buffer_reset(&ctx->heap);
adamc@323 659 ctx->regions = NULL;
adamc@425 660 ctx->cleanup_front = ctx->cleanup;
adamc@682 661 ctx->used_deltas = 0;
adamc@682 662 ctx->client = NULL;
adamc@759 663 ctx->cur_container = NULL;
adamc@771 664 ctx->used_transactionals = 0;
adamc@1117 665 ctx->script_header = "";
adam@1370 666 ctx->queryString = NULL;
adam@1556 667 ctx->nextId = 0;
adam@1782 668 ctx->amInitializing = 0;
adam@1877 669 ctx->usedSig = 0;
adam@1877 670 ctx->needsResig = 0;
adam@2073 671 ctx->remoteSock = -1;
adamc@167 672 }
adamc@167 673
adamc@562 674 void uw_reset_keep_request(uw_context ctx) {
adamc@562 675 uw_reset_keep_error_message(ctx);
adamc@562 676 ctx->error_message[0] = 0;
adamc@167 677 }
adamc@167 678
adamc@311 679 void uw_reset(uw_context ctx) {
adamc@311 680 uw_reset_keep_request(ctx);
adamc@1105 681 if (ctx->app)
adamc@1105 682 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756 683 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adam@1461 684 ctx->used_subinputs = ctx->hasPostBody = ctx->isPost = 0;
adam@1943 685 ctx->transaction_started = 0;
adamc@144 686 }
adamc@144 687
adamc@311 688 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 689 int r = setjmp(ctx->jmp_buf);
adamc@272 690
adamc@1105 691 if (r == 0 && ctx->app)
adamc@1094 692 ctx->app->db_init(ctx);
adamc@272 693
adamc@272 694 return r;
adamc@272 695 }
adamc@272 696
adamc@1118 697 void uw_close(uw_context ctx) {
adamc@1118 698 ctx->app->db_close(ctx);
adamc@1118 699 }
adamc@1118 700
adam@1446 701 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adam@1446 702 return ctx->get_header(ctx->get_header_data, h);
adam@1446 703 }
adam@1446 704
adamc@854 705 void uw_set_headers(uw_context ctx, char *(*get_header)(void *, const char *), void *get_header_data) {
adamc@854 706 ctx->get_header = get_header;
adamc@854 707 ctx->get_header_data = get_header_data;
adamc@742 708 }
adamc@742 709
adam@1799 710 void uw_set_env(uw_context ctx, char *(*get_env)(void *, const char *), void *get_env_data) {
adam@1799 711 ctx->get_env = get_env;
adam@1799 712 ctx->get_env_data = get_env_data;
adam@1799 713 }
adam@1799 714
adamc@801 715 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801 716 va_list ap;
adamc@801 717 va_start(ap, fmt);
adamc@801 718
adamc@801 719 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801 720 }
adamc@801 721
adamc@1131 722 int uw_has_error(uw_context ctx) {
adamc@1131 723 return ctx->error_message[0] != 0;
adamc@1131 724 }
adamc@1131 725
adamc@311 726 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 727 cleanup *cl;
adamc@425 728
adamc@167 729 va_list ap;
adamc@167 730 va_start(ap, fmt);
adamc@167 731
adamc@167 732 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 733
adamc@425 734 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 735 cl->func(cl->arg);
adamc@425 736
adamc@425 737 ctx->cleanup_front = ctx->cleanup;
adamc@425 738
adamc@190 739 longjmp(ctx->jmp_buf, fk);
adamc@167 740 }
adamc@167 741
adamc@1113 742 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113 743
adamc@425 744 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 745 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 746 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 747 if (len == 0)
adamc@425 748 newLen = 1;
adamc@425 749 else
adamc@428 750 newLen = len * 2;
adamc@1113 751
adamc@1134 752 if (newLen > uw_cleanup_max) {
adamc@1113 753 if (len+1 <= uw_cleanup_max)
adamc@1113 754 newLen = uw_cleanup_max;
adamc@1113 755 else
adamc@1113 756 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134 757 }
adamc@1113 758
adamc@470 759 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 760 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 761 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 762 }
adamc@425 763
adamc@425 764 ctx->cleanup_front->func = func;
adamc@425 765 ctx->cleanup_front->arg = arg;
adamc@425 766 ++ctx->cleanup_front;
adamc@425 767 }
adamc@425 768
adam@1444 769 char *uw_Basis_htmlifyString(uw_context, const char *);
adam@1444 770
adamc@682 771 void uw_login(uw_context ctx) {
adam@1942 772 char *id_s, *pass_s;
adam@1942 773
adam@1942 774 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adam@1942 775 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adam@1942 776 unsigned id = atoi(id_s);
adam@1942 777 int pass = atoi(pass_s);
adam@1942 778 client *c = find_client(id);
adam@1942 779
adam@1942 780 if (c == NULL)
adam@1942 781 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", uw_Basis_htmlifyString(ctx, id_s), uw_Basis_htmlifyString(ctx, pass_s));
adam@1942 782 else {
adamc@685 783 use_client(c);
adamc@682 784 ctx->client = c;
adam@1942 785
adam@1942 786 if (c->mode != USED)
adam@1942 787 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adam@1942 788 if (c->pass != pass)
adam@1942 789 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@864 790 }
adam@1942 791 } else if (ctx->needs_push) {
adam@1942 792 client *c = new_client();
adam@1942 793
adam@1942 794 if (c == NULL)
adam@1942 795 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adam@1942 796
adam@1942 797 use_client(c);
adam@1942 798 uw_copy_client_data(c->data, ctx->client_data);
adam@1942 799 ctx->client = c;
adamc@682 800 }
adamc@682 801 }
adamc@682 802
adamc@671 803 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671 804 int r = setjmp(ctx->jmp_buf);
adamc@671 805
adam@1931 806 if (r == 0)
adam@1931 807 ctx->app->handle(ctx, path);
adam@1931 808
adam@1931 809 return r;
adam@1931 810 }
adam@1931 811
adam@1931 812 void uw_ensure_transaction(uw_context ctx) {
adam@2056 813 if (!ctx->transaction_started && !ctx->at_most_one_query) {
adam@1936 814 if (ctx->app->db_begin(ctx, ctx->could_write_db))
adamc@671 815 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1931 816 ctx->transaction_started = 1;
adamc@671 817 }
adamc@671 818 }
adamc@671 819
adamc@772 820 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682 821 if (ctx->client == NULL)
adamc@682 822 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682 823
adamc@682 824 return ctx->client->id;
adamc@682 825 }
adamc@682 826
adamc@425 827 void uw_pop_cleanup(uw_context ctx) {
adamc@425 828 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 829 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 830
adamc@425 831 --ctx->cleanup_front;
adamc@425 832 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 833 }
adamc@425 834
adamc@311 835 char *uw_error_message(uw_context ctx) {
adamc@167 836 return ctx->error_message;
adamc@167 837 }
adamc@167 838
adamc@1115 839 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115 840 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115 841 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115 842 }
adamc@1115 843
adamc@759 844 static input *INP(uw_context ctx) {
adamc@759 845 if (ctx->cur_container == NULL)
adamc@759 846 return ctx->inputs;
adamc@759 847 else if (ctx->cur_container->kind == SUBFORM)
adamc@759 848 return ctx->cur_container->data.subform.fields;
adamc@759 849 else if (ctx->cur_container->kind == ENTRY)
adamc@759 850 return ctx->cur_container->data.entry.fields;
adamc@759 851 else
adamc@760 852 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759 853 }
adamc@759 854
adamc@760 855 static void adjust_pointer(input **ptr, input *old_start, input *new_start, size_t len) {
adamc@760 856 if (*ptr != NULL && *ptr >= old_start && *ptr < old_start + len)
adamc@760 857 *ptr += new_start - old_start;
adamc@760 858 }
adamc@760 859
adamc@760 860 static void adjust_input(input *x, input *old_start, input *new_start, size_t len) {
adamc@759 861 switch (x->kind) {
adamc@759 862 case SUBFORM:
adamc@760 863 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760 864 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759 865 break;
adamc@759 866 case SUBFORMS:
adamc@760 867 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760 868 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759 869 break;
adamc@759 870 case ENTRY:
adamc@760 871 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760 872 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760 873 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134 874 break;
adamc@1134 875 default:
adamc@1134 876 break;
phurst@1981 877 }
adamc@759 878 }
adamc@759 879
adamc@1113 880 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113 881
adamc@759 882 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759 883 size_t i;
adamc@759 884 input *r;
adamc@759 885
adamc@759 886 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113 887 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113 888 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113 889
adamc@759 890 input *new_subinputs = realloc(ctx->subinputs, sizeof(input) * (ctx->used_subinputs + len));
adamc@759 891
adamc@760 892 if (ctx->subinputs != new_subinputs) {
adamc@760 893 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760 894 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094 895 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760 896 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 897
adamc@760 898 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 899
adamc@760 900 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760 901 ctx->subinputs = new_subinputs;
adamc@760 902 }
adamc@759 903 }
adamc@759 904
adamc@759 905 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759 906
adamc@759 907 for (i = 0; i < len; ++i)
adam@1474 908 ctx->subinputs[ctx->used_subinputs++].kind = UNSET;
adamc@759 909
adamc@759 910 return r;
adamc@759 911 }
adamc@756 912
adamc@801 913 int uw_set_input(uw_context ctx, const char *name, char *value) {
adamc@1050 914 //printf("Input name %s\n", name);
adamc@1038 915
adamc@756 916 if (!strcasecmp(name, ".b")) {
adamc@1094 917 int n = ctx->app->input_num(value);
adamc@756 918 input *inps;
adamc@756 919
adamc@801 920 if (n < 0) {
adam@1444 921 uw_set_error(ctx, "Bad subform name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 922 return -1;
adamc@801 923 }
adamc@801 924
adamc@1094 925 if (n >= ctx->app->inputs_len) {
adam@1444 926 uw_set_error(ctx, "For subform name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 927 return -1;
adamc@801 928 }
adamc@756 929
adamc@1094 930 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759 931
adamc@759 932 INP(ctx)[n].kind = SUBFORM;
adamc@759 933 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759 934 INP(ctx)[n].data.subform.fields = inps;
adamc@759 935 ctx->cur_container = &INP(ctx)[n];
adamc@756 936 } else if (!strcasecmp(name, ".e")) {
adamc@756 937 input *tmp;
adamc@756 938
adamc@801 939 if (ctx->cur_container == NULL) {
adamc@801 940 uw_set_error(ctx, "Unmatched subform closer");
adamc@801 941 return -1;
adamc@801 942 }
adamc@756 943
adamc@759 944 tmp = ctx->cur_container;
adamc@759 945 switch (tmp->kind) {
adamc@759 946 case SUBFORM:
adamc@759 947 ctx->cur_container = tmp->data.subform.parent;
adamc@759 948 tmp->data.subform.parent = NULL;
adamc@759 949 break;
adamc@759 950 case SUBFORMS:
adamc@759 951 ctx->cur_container = tmp->data.subforms.parent;
adamc@759 952 tmp->data.subforms.parent = NULL;
adamc@759 953 break;
adamc@759 954 case ENTRY:
adamc@759 955 ctx->cur_container = tmp->data.entry.parent;
adamc@759 956 break;
adamc@759 957 default:
adamc@801 958 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801 959 return -1;
adamc@759 960 }
adamc@759 961 } else if (!strcasecmp(name, ".s")) {
adamc@1094 962 int n = ctx->app->input_num(value);
adamc@759 963
adamc@801 964 if (n < 0) {
adam@1444 965 uw_set_error(ctx, "Bad subforms name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 966 return -1;
adamc@801 967 }
adamc@801 968
adamc@1094 969 if (n >= ctx->app->inputs_len) {
adam@1444 970 uw_set_error(ctx, "For subforms name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 971 return -1;
adamc@801 972 }
adamc@759 973
adamc@759 974 INP(ctx)[n].kind = SUBFORMS;
adamc@759 975 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 976 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759 977 ctx->cur_container = &INP(ctx)[n];
adamc@759 978 } else if (!strcasecmp(name, ".i")) {
adamc@759 979 input *inps;
adamc@759 980
adamc@801 981 if (!ctx->cur_container) {
adamc@801 982 uw_set_error(ctx, "New entry without container");
adamc@801 983 return -1;
adamc@801 984 }
adamc@801 985
adamc@801 986 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801 987 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801 988 return -1;
adamc@801 989 }
adamc@759 990
adamc@1094 991 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759 992
adamc@759 993 inps->kind = ENTRY;
adamc@759 994 inps->data.entry.parent = ctx->cur_container;
adamc@759 995 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759 996 ctx->cur_container->data.subforms.entries = inps;
adamc@759 997
adamc@759 998 inps->data.entry.fields = inps+1;
adamc@759 999 ctx->cur_container = inps;
adamc@756 1000 } else {
adamc@1094 1001 int n = ctx->app->input_num(name);
adamc@756 1002
adam@1384 1003 if (n < 0)
adam@1384 1004 return 0;
adamc@801 1005
adamc@1094 1006 if (n >= ctx->app->inputs_len) {
adam@1444 1007 uw_set_error(ctx, "For input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801 1008 return -1;
adamc@801 1009 }
adamc@756 1010
adamc@756 1011 INP(ctx)[n].kind = NORMAL;
adamc@756 1012 INP(ctx)[n].data.normal = value;
adamc@756 1013 }
adamc@801 1014
adamc@801 1015 return 0;
adamc@144 1016 }
adamc@144 1017
adamc@311 1018 char *uw_get_input(uw_context ctx, int n) {
adamc@169 1019 if (n < 0)
adamc@311 1020 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 1021 if (n >= ctx->app->inputs_len)
adamc@311 1022 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 1023
adamc@756 1024 switch (INP(ctx)[n].kind) {
adamc@737 1025 case UNSET:
adamc@737 1026 return NULL;
adamc@739 1027 case FIL:
adamc@739 1028 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 1029 case SUBFORM:
adamc@756 1030 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 1031 case SUBFORMS:
adamc@759 1032 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 1033 case ENTRY:
adamc@759 1034 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 1035 case NORMAL:
adamc@756 1036 return INP(ctx)[n].data.normal;
adamc@737 1037 default:
adamc@737 1038 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1039 }
adamc@138 1040 }
adamc@138 1041
adamc@311 1042 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 1043 if (n < 0)
adamc@311 1044 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 1045 if (n >= ctx->app->inputs_len)
adamc@311 1046 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 1047
adamc@756 1048 switch (INP(ctx)[n].kind) {
adamc@737 1049 case UNSET:
adamc@737 1050 return "";
adamc@739 1051 case FIL:
adamc@739 1052 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 1053 case SUBFORM:
adamc@756 1054 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 1055 case SUBFORMS:
adamc@759 1056 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 1057 case ENTRY:
adamc@759 1058 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 1059 case NORMAL:
adamc@756 1060 return INP(ctx)[n].data.normal;
adamc@737 1061 default:
adamc@737 1062 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1063 }
adamc@737 1064 }
adamc@737 1065
adamc@801 1066 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094 1067 int n = ctx->app->input_num(name);
adamc@737 1068
adamc@801 1069 if (n < 0) {
adam@2054 1070 uw_set_error(ctx, "Bad file input name");
adamc@801 1071 return -1;
adamc@801 1072 }
adamc@801 1073
adamc@1094 1074 if (n >= ctx->app->inputs_len) {
adam@2054 1075 uw_set_error(ctx, "For file input name, index %d is out of range", n);
adamc@801 1076 return -1;
adamc@801 1077 }
adamc@737 1078
adamc@739 1079 ctx->inputs[n].kind = FIL;
adamc@739 1080 ctx->inputs[n].data.file = f;
adamc@801 1081
adamc@801 1082 return 0;
adamc@737 1083 }
adamc@737 1084
adamc@739 1085 void *uw_malloc(uw_context ctx, size_t len);
adamc@739 1086
adamc@739 1087 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737 1088 if (n < 0)
adamc@737 1089 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094 1090 if (n >= ctx->app->inputs_len)
adamc@737 1091 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737 1092
adamc@756 1093 switch (INP(ctx)[n].kind) {
adamc@737 1094 case UNSET:
adamc@737 1095 {
adamc@739 1096 char *data = uw_malloc(ctx, 0);
adamc@740 1097 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739 1098 return f;
adamc@737 1099 }
adamc@739 1100 case FIL:
adamc@756 1101 return INP(ctx)[n].data.file;
adamc@737 1102 case NORMAL:
adamc@737 1103 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756 1104 case SUBFORM:
adamc@756 1105 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759 1106 case SUBFORMS:
adamc@759 1107 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759 1108 case ENTRY:
adamc@759 1109 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737 1110 default:
adamc@737 1111 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1112 }
adamc@190 1113 }
adamc@190 1114
adamc@756 1115 void uw_enter_subform(uw_context ctx, int n) {
adamc@756 1116 if (n < 0)
adamc@756 1117 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094 1118 if (n >= ctx->app->inputs_len)
adamc@756 1119 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756 1120
adamc@756 1121 switch (INP(ctx)[n].kind) {
adamc@756 1122 case UNSET:
adamc@756 1123 uw_error(ctx, FATAL, "Missing subform");
adamc@756 1124 case FIL:
adamc@756 1125 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756 1126 case NORMAL:
adamc@756 1127 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759 1128 case SUBFORMS:
adamc@759 1129 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759 1130 case ENTRY:
adamc@759 1131 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756 1132 case SUBFORM:
adamc@759 1133 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760 1134 ctx->cur_container = &INP(ctx)[n];
adamc@756 1135 return;
adamc@756 1136 default:
adamc@756 1137 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756 1138 }
adamc@756 1139 }
adamc@756 1140
adamc@756 1141 void uw_leave_subform(uw_context ctx) {
adamc@756 1142 input *tmp;
adamc@756 1143
adamc@759 1144 if (ctx->cur_container == NULL)
adamc@756 1145 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756 1146
adamc@759 1147 tmp = ctx->cur_container;
adamc@759 1148 ctx->cur_container = tmp->data.subform.parent;
adamc@759 1149 tmp->data.subform.parent = NULL;
adamc@759 1150 }
adamc@759 1151
adamc@759 1152 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759 1153 input *inps;
adamc@759 1154
adamc@759 1155 if (n < 0)
adamc@759 1156 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094 1157 if (n >= ctx->app->inputs_len)
adamc@759 1158 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759 1159
adamc@759 1160 switch (INP(ctx)[n].kind) {
adamc@759 1161 case UNSET:
adamc@759 1162 uw_error(ctx, FATAL, "Missing subforms");
adamc@759 1163 case FIL:
adamc@759 1164 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759 1165 case NORMAL:
adamc@759 1166 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759 1167 case SUBFORM:
adamc@759 1168 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759 1169 case ENTRY:
adamc@759 1170 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759 1171 case SUBFORMS:
adamc@759 1172 inps = INP(ctx)[n].data.subforms.entries;
adamc@759 1173 if (inps) {
adamc@759 1174 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 1175 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759 1176 return 1;
adamc@759 1177 } else
adamc@759 1178 return 0;
adamc@759 1179 default:
adamc@759 1180 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1181 }
adamc@759 1182 }
adamc@759 1183
adamc@759 1184 int uw_next_entry(uw_context ctx) {
adamc@759 1185 if (ctx->cur_container == NULL)
adamc@759 1186 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759 1187
adamc@759 1188 switch (ctx->cur_container->kind) {
adamc@759 1189 case UNSET:
adamc@759 1190 uw_error(ctx, FATAL, "Missing entry");
adamc@759 1191 case FIL:
adamc@759 1192 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759 1193 case NORMAL:
adamc@759 1194 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759 1195 case SUBFORM:
adamc@759 1196 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759 1197 case SUBFORMS:
adamc@759 1198 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759 1199 case ENTRY:
adamc@759 1200 if (ctx->cur_container->data.entry.next) {
adamc@759 1201 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759 1202 return 1;
adamc@759 1203 } else {
adamc@759 1204 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759 1205 return 0;
adamc@759 1206 }
adamc@759 1207 default:
adamc@759 1208 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1209 }
adamc@756 1210 }
adamc@756 1211
adamc@643 1212 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 1213 ctx->script_header = s;
adamc@643 1214 }
adamc@643 1215
adamc@1094 1216 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094 1217 return ctx->app->url_prefix;
adamc@667 1218 }
adamc@667 1219
adamc@693 1220 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693 1221 ctx->needs_push = n;
adamc@693 1222 }
adamc@693 1223
adamc@736 1224 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736 1225 ctx->needs_sig = n;
adamc@736 1226 }
adamc@736 1227
adam@1936 1228 void uw_set_could_write_db(uw_context ctx, int n) {
adam@1936 1229 ctx->could_write_db = n;
adam@1936 1230 }
adam@1936 1231
adam@2056 1232 void uw_set_at_most_one_query(uw_context ctx, int n) {
adam@2056 1233 ctx->at_most_one_query = n;
adam@2056 1234 }
adam@2056 1235
adamc@667 1236
adam@1369 1237 static void uw_buffer_check_ctx(uw_context ctx, const char *kind, uw_buffer *b, size_t extra, const char *desc) {
adamc@666 1238 if (b->back - b->front < extra) {
adamc@666 1239 size_t desired = b->front - b->start + extra, next;
adamc@136 1240 char *new_heap;
adamc@136 1241
adamc@666 1242 next = b->back - b->start;
adamc@317 1243 if (next == 0)
adamc@317 1244 next = 1;
adamc@317 1245 for (; next < desired; next *= 2);
adamc@136 1246
adamc@1134 1247 if (next > b->max) {
adamc@1113 1248 if (desired <= b->max)
adamc@1113 1249 next = desired;
adamc@1113 1250 else
adamc@1113 1251 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134 1252 }
adamc@1113 1253
adamc@666 1254 new_heap = realloc(b->start, next);
adamc@666 1255 b->front = new_heap + (b->front - b->start);
adamc@666 1256 b->back = new_heap + next;
adamc@136 1257
adamc@667 1258 if (new_heap != b->start) {
adamc@666 1259 b->start = new_heap;
adam@1389 1260 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously; increasing size to %llu", desc, (unsigned long long)next);
adamc@136 1261 }
adamc@136 1262
adamc@666 1263 b->start = new_heap;
adamc@136 1264 }
adamc@136 1265 }
adamc@136 1266
adamc@832 1267 void uw_check_heap(uw_context ctx, size_t extra) {
adam@1369 1268 uw_buffer_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666 1269 }
adamc@666 1270
adamc@832 1271 char *uw_heap_front(uw_context ctx) {
adamc@832 1272 return ctx->heap.front;
adamc@832 1273 }
adamc@832 1274
adamc@832 1275 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832 1276 ctx->heap.front = fr;
adamc@832 1277 }
adamc@832 1278
adam@1782 1279 void uw_begin_initializing(uw_context ctx) {
adam@1782 1280 ctx->amInitializing = 1;
adam@1782 1281 }
adam@1782 1282
adam@1782 1283 void uw_end_initializing(uw_context ctx) {
adam@1782 1284 ctx->amInitializing = 0;
adam@1782 1285 }
adam@1782 1286
adam@2013 1287 static void align_heap(uw_context ctx) {
adam@2013 1288 size_t posn = ctx->heap.front - ctx->heap.start;
adam@2013 1289
adam@2017 1290 if (posn % sizeof(void *) != 0) {
adam@2017 1291 size_t bump = sizeof(void *) - posn % sizeof(void *);
adam@2013 1292 uw_check_heap(ctx, bump);
adam@2013 1293 ctx->heap.front += bump;
adam@2013 1294 }
adam@2013 1295 }
adam@2013 1296
adamc@311 1297 void *uw_malloc(uw_context ctx, size_t len) {
adam@2013 1298 // On some architectures, it's important that all word-sized memory accesses
adam@2013 1299 // be to word-aligned addresses, so we'll do a little bit of extra work here
adam@2013 1300 // in anticipation of a possible word-aligned access to the address we'll
adam@2013 1301 // return.
adam@2013 1302
adamc@136 1303 void *result;
adamc@136 1304
adam@1782 1305 if (ctx->amInitializing) {
adam@2017 1306 int error = posix_memalign(&result, sizeof(void *), len);
adam@2013 1307
adam@2013 1308 if (!error)
adam@1782 1309 return result;
adam@1782 1310 else
adam@2013 1311 uw_error(ctx, FATAL, "uw_malloc: posix_memalign() returns %d", error);
adam@1782 1312 } else {
adam@2013 1313 align_heap(ctx);
adam@2013 1314
adam@1782 1315 uw_check_heap(ctx, len);
adam@1782 1316
adam@1782 1317 result = ctx->heap.front;
adam@1782 1318 ctx->heap.front += len;
adam@1782 1319 return result;
adam@1782 1320 }
adamc@117 1321 }
adamc@117 1322
adamc@323 1323 void uw_begin_region(uw_context ctx) {
adam@2013 1324 align_heap(ctx);
adam@2013 1325
adamc@666 1326 regions *r = (regions *) ctx->heap.front;
adamc@323 1327
adamc@323 1328 uw_check_heap(ctx, sizeof(regions));
adamc@323 1329
adamc@666 1330 ctx->heap.front += sizeof(regions);
adamc@323 1331
adamc@323 1332 r->next = ctx->regions;
adamc@323 1333 ctx->regions = r;
adamc@323 1334 }
adamc@323 1335
adamc@323 1336 void uw_end_region(uw_context ctx) {
adamc@323 1337 regions *r = ctx->regions;
adamc@323 1338
adamc@323 1339 if (r == NULL)
adamc@323 1340 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 1341
adamc@666 1342 ctx->heap.front = (char *) r;
adamc@323 1343 ctx->regions = r->next;
adamc@323 1344 }
adamc@323 1345
adamc@324 1346 void uw_memstats(uw_context ctx) {
adam@1369 1347 printf("Headers: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->outHeaders), (unsigned long)uw_buffer_avail(&ctx->outHeaders));
adam@1369 1348 printf("Script: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->script), (unsigned long)uw_buffer_avail(&ctx->script));
adam@1369 1349 printf("Page: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->page), (unsigned long)uw_buffer_avail(&ctx->page));
adam@1369 1350 printf("Heap: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->heap), (unsigned long)uw_buffer_avail(&ctx->heap));
adamc@324 1351 }
adamc@324 1352
adam@1915 1353 int uw_pagelen(uw_context ctx) {
adam@1915 1354 return ctx->page.front - ctx->page.start;
adam@1915 1355 }
adam@1915 1356
adamc@311 1357 int uw_send(uw_context ctx, int sock) {
adam@1949 1358 size_t target_length = (ctx->outHeaders.front - ctx->outHeaders.start) + 2 + (ctx->page.front - ctx->page.start);
adam@1949 1359
adam@1949 1360 if (ctx->output_buffer_size < target_length) {
adam@1949 1361 do {
adam@1949 1362 ctx->output_buffer_size *= 2;
adam@1949 1363 } while (ctx->output_buffer_size < target_length);
adam@1949 1364 ctx->output_buffer = realloc(ctx->output_buffer, ctx->output_buffer_size);
adam@1949 1365 }
adam@1949 1366
adam@1949 1367 memcpy(ctx->output_buffer, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adam@1949 1368 memcpy(ctx->output_buffer + (ctx->outHeaders.front - ctx->outHeaders.start), "\r\n", 2);
adam@1949 1369 memcpy(ctx->output_buffer + (ctx->outHeaders.front - ctx->outHeaders.start) + 2, ctx->page.start, ctx->page.front - ctx->page.start);
adam@1949 1370
adam@1949 1371 return uw_really_send(sock, ctx->output_buffer, target_length);
adamc@462 1372 }
adamc@462 1373
adamc@856 1374 int uw_print(uw_context ctx, int fd) {
adamc@856 1375 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856 1376
adamc@856 1377 if (n < 0)
adamc@856 1378 return n;
adamc@856 1379
adamc@856 1380 n = uw_really_write(fd, "\r\n", 2);
adamc@856 1381
adamc@856 1382 if (n < 0)
adamc@856 1383 return n;
adamc@856 1384
adamc@856 1385 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856 1386 }
adamc@856 1387
adamc@860 1388 int uw_output(uw_context ctx, int (*output)(void *data, char *buf, size_t len), void *data) {
adamc@860 1389 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860 1390
adamc@860 1391 if (n < 0)
adamc@860 1392 return n;
adamc@860 1393
adamc@860 1394 n = output(data, "\r\n", 2);
adamc@860 1395
adamc@860 1396 if (n < 0)
adamc@860 1397 return n;
adamc@860 1398
adamc@860 1399 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860 1400 }
adamc@860 1401
adamc@462 1402 static void uw_check_headers(uw_context ctx, size_t extra) {
adam@1369 1403 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462 1404 }
adamc@462 1405
adamc@462 1406 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 1407 int len = strlen(s);
adamc@462 1408
adamc@462 1409 uw_check_headers(ctx, len + 1);
adamc@666 1410 strcpy(ctx->outHeaders.front, s);
adamc@666 1411 ctx->outHeaders.front += len;
adamc@562 1412 }
adamc@562 1413
adam@1934 1414 int uw_has_contentLength(uw_context ctx) {
adam@1934 1415 return strstr(ctx->outHeaders.start, "Content-length: ") != NULL;
adam@1934 1416 }
adam@1934 1417
adamc@1110 1418 void uw_clear_headers(uw_context ctx) {
adam@1369 1419 uw_buffer_reset(&ctx->outHeaders);
adamc@1110 1420 }
adamc@1110 1421
adam@1932 1422 void uw_Basis_clear_page(uw_context ctx) {
adam@1932 1423 uw_buffer_reset(&ctx->page);
adam@1932 1424 }
adam@1932 1425
adamc@562 1426 static void uw_check_script(uw_context ctx, size_t extra) {
adam@1369 1427 ctx_uw_buffer_check(ctx, "script", &ctx->script, extra);
adamc@562 1428 }
adamc@562 1429
adamc@562 1430 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 1431 int len = strlen(s);
adamc@562 1432
adamc@562 1433 uw_check_script(ctx, len + 1);
adamc@666 1434 strcpy(ctx->script.front, s);
adamc@666 1435 ctx->script.front += len;
adamc@562 1436 }
adamc@562 1437
adam@1446 1438 const char *uw_get_real_script(uw_context ctx) {
adam@1671 1439 if (strstr(ctx->outHeaders.start, "Set-Cookie: ")) {
adam@1671 1440 uw_write_script(ctx, "sig=\"");
adam@1671 1441 uw_write_script(ctx, ctx->app->cookie_sig(ctx));
adam@1671 1442 uw_write_script(ctx, "\";");
adam@1671 1443 }
adam@1671 1444
adam@1446 1445 return ctx->script.start;
adam@1446 1446 }
adam@1446 1447
adamc@695 1448 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695 1449 if (s[0] == 0)
adamc@695 1450 return "";
adamc@695 1451 else {
adamc@695 1452 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695 1453 sprintf(r, " onload='%s'", s);
adamc@695 1454 return r;
adamc@695 1455 }
adamc@695 1456 }
adamc@695 1457
adamc@1042 1458 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042 1459 if (ctx->script_header[0] == 0)
adamc@1042 1460 return "";
adamc@1042 1461 else {
vshabanoff@1763 1462 char *r = uw_malloc(ctx, 37 + strlen(s));
vshabanoff@1763 1463 sprintf(r, " onunload='unloading=true;%s;unload()'", s);
adamc@1042 1464 return r;
adamc@1042 1465 }
adamc@1042 1466 }
adamc@1042 1467
adamc@694 1468 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736 1469 if (ctx->client == NULL) {
adamc@736 1470 if (ctx->needs_sig) {
adamc@1094 1471 char *sig = ctx->app->cookie_sig(ctx);
adamc@736 1472 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736 1473 sprintf(r, "sig=\"%s\";", sig);
adamc@736 1474 return r;
adamc@736 1475 }
adamc@736 1476 else
adamc@736 1477 return "";
adamc@736 1478 } else {
adamc@1094 1479 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094 1480 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736 1481 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adam@1552 1482 sprintf(r, "isPost=%s;client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adam@1552 1483 (ctx->isPost ? "true" : "false"),
adamc@682 1484 ctx->client->id,
adamc@682 1485 ctx->client->pass,
adamc@1094 1486 ctx->app->url_prefix,
adamc@1094 1487 ctx->app->timeout,
adamc@736 1488 ctx->needs_sig ? "sig=\"" : "",
adamc@736 1489 sig,
adamc@736 1490 ctx->needs_sig ? "\";" : "");
adamc@679 1491 return r;
adamc@668 1492 }
adamc@667 1493 }
adamc@667 1494
adamc@574 1495 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 1496 char *r, *s2;
adamc@574 1497
adam@1446 1498 uw_check_heap(ctx, strlen(s) * 4 + 3);
adamc@574 1499
adamc@666 1500 r = s2 = ctx->heap.front;
adamc@574 1501 *s2++ = '"';
adamc@574 1502
adamc@574 1503 for (; *s; s++) {
adam@1286 1504 unsigned char c = *s;
adamc@574 1505
adamc@574 1506 switch (c) {
adamc@574 1507 case '"':
adamc@574 1508 strcpy(s2, "\\\"");
adamc@574 1509 s2 += 2;
adamc@574 1510 break;
adamc@1027 1511 case '\'':
adamc@1027 1512 strcpy(s2, "\\047");
adamc@1027 1513 s2 += 4;
adamc@1027 1514 break;
adamc@574 1515 case '\\':
adamc@574 1516 strcpy(s2, "\\\\");
adamc@574 1517 s2 += 2;
adamc@574 1518 break;
adam@1457 1519 case '<':
adam@1457 1520 strcpy(s2, "\\074");
adam@1457 1521 s2 += 4;
adam@1457 1522 break;
adamc@574 1523 default:
adam@1286 1524 if (isprint((int)c) || c >= 128)
adamc@574 1525 *s2++ = c;
adamc@574 1526 else {
adam@1429 1527 sprintf(s2, "\\%03o", c);
adamc@574 1528 s2 += 4;
adamc@574 1529 }
adamc@574 1530 }
adamc@574 1531 }
adamc@574 1532
adamc@574 1533 strcpy(s2, "\"");
adamc@910 1534 ctx->heap.front = s2 + 2;
adamc@574 1535 return r;
adamc@574 1536 }
adamc@574 1537
adam@1286 1538 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286 1539 unsigned char c = c1;
adamc@1025 1540 char *r, *s2;
adamc@1025 1541
adam@1446 1542 uw_check_heap(ctx, 7);
adamc@1025 1543
adamc@1025 1544 r = s2 = ctx->heap.front;
adamc@1025 1545 *s2++ = '"';
adamc@1025 1546
adamc@1025 1547 switch (c) {
adamc@1025 1548 case '"':
adamc@1025 1549 strcpy(s2, "\\\"");
adamc@1025 1550 s2 += 2;
adamc@1025 1551 break;
adamc@1027 1552 case '\'':
adamc@1027 1553 strcpy(s2, "\\047");
adamc@1027 1554 s2 += 4;
adamc@1027 1555 break;
adamc@1025 1556 case '\\':
adamc@1025 1557 strcpy(s2, "\\\\");
adamc@1025 1558 s2 += 2;
adamc@1025 1559 break;
adam@1457 1560 case '<':
adam@1457 1561 strcpy(s2, "\\074");
adam@1457 1562 s2 += 4;
adam@1457 1563 break;
adamc@1025 1564 default:
adam@1286 1565 if (isprint((int)c) || c >= 128)
adamc@1025 1566 *s2++ = c;
adamc@1025 1567 else {
adam@1429 1568 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1025 1569 s2 += 4;
adamc@1025 1570 }
adamc@1025 1571 }
adamc@1025 1572
adamc@1025 1573 strcpy(s2, "\"");
adamc@1025 1574 ctx->heap.front = s2 + 2;
adamc@1025 1575 return r;
adamc@1025 1576 }
adamc@1025 1577
adamc@574 1578 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 1579 char *r, *s2;
adamc@574 1580
adam@1446 1581 uw_check_script(ctx, strlen(s) * 4 + 3);
adamc@574 1582
adamc@666 1583 r = s2 = ctx->script.front;
adamc@574 1584 *s2++ = '"';
adamc@574 1585
adamc@574 1586 for (; *s; s++) {
adam@1286 1587 unsigned char c = *s;
adamc@574 1588
adamc@574 1589 switch (c) {
adamc@577 1590 case '\'':
adamc@1027 1591 strcpy(s2, "\\");
adamc@574 1592 s2 += 2;
adamc@574 1593 break;
adamc@574 1594 case '\\':
adamc@574 1595 strcpy(s2, "\\\\");
adamc@574 1596 s2 += 2;
adamc@574 1597 break;
adam@1457 1598 case '<':
adam@1457 1599 strcpy(s2, "\\074");
adam@1457 1600 s2 += 4;
adam@1457 1601 break;
adamc@574 1602 default:
adam@1286 1603 if (isprint((int)c) || c >= 128)
adamc@574 1604 *s2++ = c;
adamc@574 1605 else {
adam@1429 1606 sprintf(s2, "\\%03o", c);
adamc@574 1607 s2 += 4;
adamc@574 1608 }
adamc@574 1609 }
adamc@574 1610 }
adamc@574 1611
adamc@574 1612 strcpy(s2, "\"");
adamc@666 1613 ctx->script.front = s2 + 1;
adamc@574 1614 return r;
adamc@574 1615 }
adamc@574 1616
adamc@682 1617 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1618 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1619 return "null";
adamc@682 1620 else {
adamc@682 1621 int len;
adamc@682 1622 char *r;
adamc@682 1623
adamc@682 1624 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1625 r = ctx->heap.front;
adamc@682 1626 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1627 ctx->heap.front += len+1;
adamc@682 1628 return r;
adamc@682 1629 }
adamc@682 1630 }
adamc@682 1631
adam@1446 1632 uw_Basis_source uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 1633 int len;
adamc@577 1634 size_t s_len = strlen(s);
adamc@562 1635
grrwlf@1998 1636 if(ctx->id < 0)
grrwlf@1998 1637 uw_error(ctx, FATAL, "Attempt to create client source using inappropriate context");
grrwlf@1998 1638
adam@1446 1639 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1640 sprintf(ctx->script.front, "s%d_%llu=sc(exec(%n", ctx->id, ctx->source_count, &len);
adamc@666 1641 ctx->script.front += len;
adamc@666 1642 strcpy(ctx->script.front, s);
adamc@666 1643 ctx->script.front += s_len;
adamc@970 1644 strcpy(ctx->script.front, "));");
adamc@972 1645 ctx->script.front += 3;
adamc@562 1646
adam@1446 1647 uw_Basis_source r = {ctx->id, ctx->source_count++};
adam@1446 1648 return r;
adam@1446 1649 }
adam@1446 1650
adam@1446 1651 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_source src, uw_Basis_string s) {
adamc@577 1652 int len;
adamc@577 1653 size_t s_len = strlen(s);
adamc@577 1654
adam@1446 1655 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1656 sprintf(ctx->script.front, "sv(s%d_%llu,exec(%n", src.context, src.source, &len);
adamc@666 1657 ctx->script.front += len;
adamc@666 1658 strcpy(ctx->script.front, s);
adamc@666 1659 ctx->script.front += s_len;
adamc@970 1660 strcpy(ctx->script.front, "));");
adamc@972 1661 ctx->script.front += 3;
adamc@577 1662
adamc@577 1663 return uw_unit_v;
adamc@577 1664 }
adamc@577 1665
adamc@311 1666 static void uw_check(uw_context ctx, size_t extra) {
adam@1369 1667 ctx_uw_buffer_check(ctx, "page", &ctx->page, extra);
adamc@117 1668 }
adamc@117 1669
adamc@311 1670 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 1671 *(ctx->page.front)++ = c;
adam@1413 1672 *ctx->page.front = 0;
adamc@117 1673 }
adamc@117 1674
adamc@311 1675 void uw_writec(uw_context ctx, char c) {
adam@1413 1676 uw_check(ctx, 2);
adamc@311 1677 uw_writec_unsafe(ctx, c);
adamc@117 1678 }
adamc@117 1679
adam@2085 1680 void uw_Basis_writec(uw_context ctx, char c) {
adam@2085 1681 uw_writec(ctx, c);
adam@2085 1682 }
adam@2085 1683
adamc@311 1684 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 1685 int len = strlen(s);
adamc@666 1686 memcpy(ctx->page.front, s, len);
adamc@666 1687 ctx->page.front += len;
adamc@117 1688 }
adamc@117 1689
adamc@311 1690 void uw_write(uw_context ctx, const char* s) {
adamc@311 1691 uw_check(ctx, strlen(s) + 1);
adamc@311 1692 uw_write_unsafe(ctx, s);
adamc@666 1693 *ctx->page.front = 0;
adamc@102 1694 }
adamc@106 1695
ziv@2204 1696 void uw_recordingStart(uw_context ctx) {
ziv@2262 1697 if (ctx->numRecording++ == 0) {
ziv@2262 1698 ctx->recordingOffset = ctx->page.front - ctx->page.start;
ziv@2262 1699 }
ziv@2204 1700 }
ziv@2204 1701
ziv@2204 1702 char *uw_recordingRead(uw_context ctx) {
ziv@2262 1703 // Only the outermost recorder can read unless the recording is empty.
ziv@2262 1704 char *recording = ctx->page.start + ctx->recordingOffset;
ziv@2262 1705 if (--ctx->numRecording > 0 && recording != ctx->page.front) {
ziv@2262 1706 return NULL;
ziv@2262 1707 }
ziv@2262 1708 return strdup(recording);
ziv@2204 1709 }
ziv@2204 1710
adamc@311 1711 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 1712 char *result;
adamc@136 1713 int len;
adamc@311 1714 uw_check_heap(ctx, INTS_MAX);
adamc@666 1715 result = ctx->heap.front;
adamc@276 1716 sprintf(result, "%lld%n", n, &len);
adamc@666 1717 ctx->heap.front += len+1;
adamc@136 1718 return result;
adamc@106 1719 }
adamc@106 1720
adamc@311 1721 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 1722 char *result;
adamc@136 1723 int len;
adamc@311 1724 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1725 result = ctx->heap.front;
adam@1920 1726 sprintf(result, "%.16g%n", n, &len);
adamc@666 1727 ctx->heap.front += len+1;
adamc@136 1728 return result;
adamc@106 1729 }
adamc@106 1730
adamc@311 1731 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 1732 int len = strlen(s);
adamc@136 1733 char *result, *p;
adamc@311 1734 uw_check_heap(ctx, len * 6 + 1);
adamc@136 1735
adamc@666 1736 result = p = ctx->heap.front;
adamc@136 1737
adamc@136 1738 for (; *s; s++) {
adamc@1054 1739 unsigned char c = *s;
adamc@136 1740
adamc@136 1741 if (c == '"') {
adamc@136 1742 strcpy(p, "&quot;");
adamc@136 1743 p += 6;
adamc@136 1744 } else if (c == '&') {
adamc@136 1745 strcpy(p, "&amp;");
adamc@136 1746 p += 5;
adamc@136 1747 }
adamc@1059 1748 else
adamc@136 1749 *p++ = c;
adamc@136 1750 }
adamc@136 1751
adamc@137 1752 *p++ = 0;
adamc@666 1753 ctx->heap.front = p;
adamc@136 1754 return result;
adamc@106 1755 }
adamc@106 1756
adamc@1011 1757 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 1758 char *result, *p;
adamc@1011 1759 uw_check_heap(ctx, 7);
adamc@1011 1760
adamc@1011 1761 result = p = ctx->heap.front;
adamc@1011 1762
adamc@1011 1763 if (c == '"') {
adamc@1011 1764 strcpy(p, "&quot;");
adamc@1011 1765 p += 6;
adamc@1011 1766 } else if (c == '&') {
adamc@1011 1767 strcpy(p, "&amp;");
adamc@1011 1768 p += 5;
adamc@1011 1769 }
adamc@1059 1770 else
adamc@1011 1771 *p++ = c;
adamc@1011 1772
adamc@1011 1773 *p++ = 0;
adamc@1011 1774 ctx->heap.front = p;
adamc@1011 1775 return result;
adamc@1011 1776 }
adamc@1011 1777
adamc@721 1778 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721 1779 return s;
adamc@721 1780 }
adamc@721 1781
adamc@311 1782 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 1783 int len;
adamc@117 1784
adamc@666 1785 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1786 ctx->page.front += len;
adamc@106 1787 }
adamc@106 1788
adamc@428 1789 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1790 uw_check(ctx, INTS_MAX);
adamc@311 1791 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 1792
adamc@428 1793 return uw_unit_v;
adamc@106 1794 }
adamc@106 1795
adamc@428 1796 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 1797 int len;
adamc@117 1798
adamc@311 1799 uw_check(ctx, FLOATS_MAX);
adamc@666 1800 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1801 ctx->page.front += len;
adamc@428 1802
adamc@428 1803 return uw_unit_v;
adamc@117 1804 }
adamc@117 1805
adamc@428 1806 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1807 uw_check(ctx, strlen(s) * 6);
adamc@117 1808
adamc@106 1809 for (; *s; s++) {
adamc@1054 1810 unsigned char c = *s;
adamc@106 1811
adamc@106 1812 if (c == '"')
adamc@311 1813 uw_write_unsafe(ctx, "&quot;");
adamc@136 1814 else if (c == '&')
adamc@311 1815 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1816 else
adamc@311 1817 uw_writec_unsafe(ctx, c);
adamc@106 1818 }
adamc@428 1819
adamc@428 1820 return uw_unit_v;
adamc@106 1821 }
adamc@120 1822
adamc@1011 1823 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011 1824 uw_check(ctx, 6);
adamc@1011 1825
adamc@1011 1826 if (c == '"')
adamc@1011 1827 uw_write_unsafe(ctx, "&quot;");
adamc@1011 1828 else if (c == '&')
adamc@1011 1829 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1830 else
adamc@1011 1831 uw_writec_unsafe(ctx, c);
adamc@1011 1832
adamc@1011 1833 return uw_unit_v;
adamc@1011 1834 }
adamc@1011 1835
adamc@120 1836
adamc@311 1837 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 1838 int len;
adamc@137 1839 char *r;
adamc@137 1840
adamc@311 1841 uw_check_heap(ctx, INTS_MAX);
adamc@666 1842 r = ctx->heap.front;
adamc@276 1843 sprintf(r, "%lld%n", n, &len);
adamc@666 1844 ctx->heap.front += len+1;
adamc@137 1845 return r;
adamc@120 1846 }
adamc@120 1847
adamc@682 1848 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1849 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1850 return "";
adamc@682 1851 else {
adamc@682 1852 int len;
adamc@682 1853 char *r;
adamc@679 1854
adamc@682 1855 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1856 r = ctx->heap.front;
adamc@682 1857 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1858 ctx->heap.front += len+1;
adamc@682 1859 return r;
adamc@682 1860 }
adamc@679 1861 }
adamc@679 1862
adamc@311 1863 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 1864 int len;
adamc@137 1865 char *r;
adamc@137 1866
adamc@311 1867 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1868 r = ctx->heap.front;
adamc@137 1869 sprintf(r, "%g%n", n, &len);
adamc@666 1870 ctx->heap.front += len+1;
adamc@137 1871 return r;
adamc@120 1872 }
adamc@120 1873
adamc@311 1874 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1875 char *r, *p;
adamc@137 1876
adamc@925 1877 if (s[0] == '\0')
adamc@925 1878 return "_";
adamc@925 1879
adamc@925 1880 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925 1881
adamc@925 1882 r = p = ctx->heap.front;
adamc@925 1883 if (s[0] == '_')
adamc@925 1884 *p++ = '_';
adamc@925 1885
adamc@925 1886 for (; *s; s++) {
adamc@1087 1887 unsigned char c = *s;
adamc@137 1888
adamc@137 1889 if (c == ' ')
adamc@137 1890 *p++ = '+';
adamc@137 1891 else if (isalnum(c))
adamc@137 1892 *p++ = c;
adamc@137 1893 else {
adamc@1259 1894 sprintf(p, ".%02X", c);
adamc@137 1895 p += 3;
adamc@137 1896 }
adamc@137 1897 }
adamc@137 1898
adamc@137 1899 *p++ = 0;
adamc@666 1900 ctx->heap.front = p;
adamc@137 1901 return r;
adamc@120 1902 }
adamc@120 1903
adamc@311 1904 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1905 if (b == uw_Basis_False)
adamc@186 1906 return "0";
adamc@186 1907 else
adamc@186 1908 return "1";
adamc@186 1909 }
adamc@186 1910
adam@1620 1911 char *uw_Basis_urlifySource(uw_context ctx, uw_Basis_source src) {
adam@1620 1912 char *r;
adam@1620 1913 int len;
adam@1620 1914 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1620 1915 r = ctx->heap.front;
adam@1620 1916 sprintf(r, "%d/%llu%n", src.context, src.source, &len);
adam@1620 1917 ctx->heap.front += len+1;
adam@1620 1918 return r;
adam@1620 1919 }
adam@1620 1920
adamc@311 1921 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1922 int len;
adamc@120 1923
adamc@666 1924 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1925 ctx->page.front += len;
adamc@120 1926 }
adamc@120 1927
adamc@428 1928 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1929 uw_check(ctx, INTS_MAX);
adamc@311 1930 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1931
adamc@428 1932 return uw_unit_v;
adamc@120 1933 }
adamc@120 1934
adamc@682 1935 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1936 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1937 int len;
phurst@1981 1938
adamc@682 1939 uw_check(ctx, INTS_MAX + 1);
adamc@682 1940 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1941 ctx->page.front += len;
adamc@682 1942 }
phurst@1981 1943
adamc@679 1944 return uw_unit_v;
adamc@679 1945 }
adamc@679 1946
adamc@428 1947 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1948 int len;
adamc@120 1949
adamc@311 1950 uw_check(ctx, FLOATS_MAX);
adamc@666 1951 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1952 ctx->page.front += len;
adamc@428 1953
adamc@428 1954 return uw_unit_v;
adamc@120 1955 }
adamc@120 1956
adamc@488 1957 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@1376 1958 return uw_Basis_urlifyInt(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adamc@488 1959 }
adamc@488 1960
adam@1404 1961 uw_unit uw_Basis_urlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1404 1962 return uw_Basis_urlifyInt_w(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adam@1404 1963 }
adam@1404 1964
adamc@428 1965 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925 1966 if (s[0] == '\0') {
adamc@925 1967 uw_check(ctx, 1);
adamc@925 1968 uw_writec_unsafe(ctx, '_');
adamc@925 1969 return uw_unit_v;
adamc@925 1970 }
adamc@925 1971
adamc@925 1972 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925 1973
adamc@925 1974 if (s[0] == '_')
adamc@925 1975 uw_writec_unsafe(ctx, '_');
adamc@120 1976
adamc@120 1977 for (; *s; s++) {
adamc@1087 1978 unsigned char c = *s;
adamc@120 1979
adamc@120 1980 if (c == ' ')
adamc@311 1981 uw_writec_unsafe(ctx, '+');
adamc@120 1982 else if (isalnum(c))
adamc@311 1983 uw_writec_unsafe(ctx, c);
adamc@120 1984 else {
adamc@1259 1985 sprintf(ctx->page.front, ".%02X", c);
adamc@666 1986 ctx->page.front += 3;
adamc@120 1987 }
adamc@120 1988 }
adamc@428 1989
adamc@428 1990 return uw_unit_v;
adamc@120 1991 }
adamc@120 1992
adamc@428 1993 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1994 if (b == uw_Basis_False)
adamc@311 1995 uw_writec(ctx, '0');
adamc@186 1996 else
adamc@311 1997 uw_writec(ctx, '1');
adamc@428 1998
adamc@428 1999 return uw_unit_v;
adamc@186 2000 }
adamc@186 2001
adam@1620 2002 uw_unit uw_Basis_urlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1620 2003 int len;
phurst@1981 2004
adam@1620 2005 uw_check(ctx, 2 * INTS_MAX + 2);
adam@1620 2006 sprintf(ctx->page.front, "%d/%llu%n", src.context, src.source, &len);
adam@1620 2007 ctx->page.front += len;
phurst@1981 2008
adam@1620 2009 return uw_unit_v;
adam@1620 2010 }
adam@1620 2011
adamc@120 2012
adamc@311 2013 static char *uw_unurlify_advance(char *s) {
adamc@144 2014 char *new_s = strchr(s, '/');
adamc@120 2015
adamc@120 2016 if (new_s)
adamc@120 2017 *new_s++ = 0;
adamc@120 2018 else
adamc@144 2019 new_s = strchr(s, 0);
adamc@144 2020
adamc@144 2021 return new_s;
adamc@144 2022 }
adamc@144 2023
adamc@311 2024 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 2025 char *new_s = uw_unurlify_advance(*s);
adamc@311 2026 uw_Basis_int r;
adamc@120 2027
adamc@276 2028 r = atoll(*s);
adamc@120 2029 *s = new_s;
adamc@120 2030 return r;
adamc@120 2031 }
adamc@120 2032
adamc@311 2033 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 2034 char *new_s = uw_unurlify_advance(*s);
adamc@311 2035 uw_Basis_float r;
adamc@120 2036
adamc@120 2037 r = atof(*s);
adamc@120 2038 *s = new_s;
adamc@120 2039 return r;
adamc@120 2040 }
adamc@120 2041
adamc@488 2042 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adam@1365 2043 uw_Basis_int n = uw_Basis_unurlifyInt(ctx, s);
adam@1365 2044 uw_Basis_time r = {n / 1000000, n % 1000000};
adam@1365 2045 return r;
adamc@488 2046 }
adamc@488 2047
adamc@1023 2048 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char *r, char *s) {
adamc@927 2049 char *s1, *s2 = s;
adamc@144 2050 int n;
adamc@136 2051
adamc@1023 2052 if (!fromClient) {
adamc@1023 2053 if (*s2 == '_')
adamc@1023 2054 ++s2;
adamc@1259 2055 else if ((s2[0] == '%' || s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@1023 2056 s2 += 3;
adamc@1023 2057 }
adamc@925 2058
adamc@927 2059 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087 2060 unsigned char c = *s2;
adamc@136 2061
adamc@136 2062 switch (c) {
adamc@136 2063 case '+':
adamc@136 2064 *s1 = ' ';
adamc@136 2065 break;
adamc@136 2066 case '%':
adamc@169 2067 if (s2[1] == 0)
adamc@311 2068 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 2069 if (s2[2] == 0)
adamc@311 2070 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 2071 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 2072 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@136 2073 *s1 = n;
adamc@136 2074 s2 += 2;
adamc@136 2075 break;
adamc@1259 2076 case '.':
adamc@1259 2077 if (!fromClient) {
adamc@1259 2078 if (s2[1] == 0)
adamc@1259 2079 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259 2080 if (s2[2] == 0)
adamc@1259 2081 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259 2082 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 2083 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@1259 2084 *s1 = n;
adamc@1259 2085 s2 += 2;
adamc@1259 2086 break;
adamc@1259 2087 }
adamc@136 2088 default:
adamc@136 2089 *s1 = c;
adamc@136 2090 }
adamc@136 2091 }
adamc@136 2092 *s1++ = 0;
adamc@144 2093 return s1;
adamc@144 2094 }
adamc@144 2095
adamc@311 2096 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 2097 char *new_s = uw_unurlify_advance(*s);
adamc@311 2098 uw_Basis_bool r;
phurst@1981 2099
adamc@186 2100 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 2101 r = uw_Basis_False;
adamc@186 2102 else
adamc@311 2103 r = uw_Basis_True;
adamc@186 2104
adamc@186 2105 *s = new_s;
adamc@186 2106 return r;
adamc@186 2107 }
adamc@186 2108
adamc@311 2109 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 2110 char *new_s = uw_unurlify_advance(*s);
adamc@1134 2111 char *r;
adamc@1134 2112 int len;
adamc@144 2113
adamc@200 2114 len = strlen(*s);
adamc@311 2115 uw_check_heap(ctx, len + 1);
adamc@144 2116
adamc@666 2117 r = ctx->heap.front;
adamc@1023 2118 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023 2119 *s = new_s;
adamc@1023 2120 return r;
adamc@1023 2121 }
adamc@1023 2122
adamc@1109 2123 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109 2124 *s = uw_unurlify_advance(*s);
adamc@1109 2125 return uw_unit_v;
adamc@1109 2126 }
adamc@1109 2127
adamc@1023 2128 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023 2129 char *new_s = uw_unurlify_advance(*s);
adamc@1134 2130 char *r;
adamc@1134 2131 int len;
adamc@1023 2132
adamc@1023 2133 len = strlen(*s);
adamc@1023 2134 uw_check_heap(ctx, len + 1);
adamc@1023 2135
adamc@1023 2136 r = ctx->heap.front;
adamc@1023 2137 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136 2138 *s = new_s;
adamc@136 2139 return r;
adamc@120 2140 }
adamc@135 2141
adamc@135 2142
adamc@311 2143 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 2144 int len;
adamc@286 2145 char *r;
adamc@286 2146
adamc@311 2147 uw_check_heap(ctx, INTS_MAX);
adamc@666 2148 r = ctx->heap.front;
adamc@286 2149 sprintf(r, "%lld%n", n, &len);
adamc@666 2150 ctx->heap.front += len+1;
adamc@286 2151 return r;
adamc@286 2152 }
adamc@286 2153
adamc@428 2154 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 2155 int len;
adamc@286 2156
adamc@311 2157 uw_check(ctx, INTS_MAX);
adamc@666 2158 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 2159 ctx->page.front += len;
phurst@1981 2160
adamc@428 2161 return uw_unit_v;
adamc@286 2162 }
adamc@286 2163
adam@1358 2164 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358 2165 unsigned int n = ch;
adam@1358 2166 int len;
adam@1358 2167 char *r;
adam@1358 2168
adam@1358 2169 uw_check_heap(ctx, INTS_MAX+3);
adam@1358 2170 r = ctx->heap.front;
adam@1358 2171 sprintf(r, "&#%u;%n", n, &len);
adam@1358 2172 ctx->heap.front += len+1;
adam@1358 2173 return r;
adam@1358 2174 }
adam@1358 2175
adam@1358 2176 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358 2177 unsigned int n = ch;
adam@1358 2178 int len;
adam@1358 2179
adam@1358 2180 uw_check(ctx, INTS_MAX+3);
adam@1358 2181 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358 2182 ctx->page.front += len;
adam@1358 2183 return uw_unit_v;
adam@1358 2184 }
adam@1358 2185
adamc@311 2186 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 2187 int len;
adamc@286 2188 char *r;
adamc@286 2189
adamc@311 2190 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2191 r = ctx->heap.front;
adamc@286 2192 sprintf(r, "%g%n", n, &len);
adamc@666 2193 ctx->heap.front += len+1;
adamc@286 2194 return r;
adamc@286 2195 }
adamc@286 2196
adamc@428 2197 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 2198 int len;
adamc@286 2199
adamc@311 2200 uw_check(ctx, FLOATS_MAX);
adamc@666 2201 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 2202 ctx->page.front += len;
adamc@428 2203
adamc@428 2204 return uw_unit_v;
adamc@286 2205 }
adamc@286 2206
adam@1365 2207 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time t) {
adam@1360 2208 int len;
adam@1360 2209 char *r;
adam@1360 2210
adam@1360 2211 uw_check_heap(ctx, INTS_MAX);
adam@1360 2212 r = ctx->heap.front;
adamc@1377 2213 sprintf(r, "%lld%n", (uw_Basis_int)t.seconds * 1000000 + t.microseconds, &len);
adam@1360 2214 ctx->heap.front += len+1;
adam@1360 2215 return r;
adam@1360 2216 }
adam@1360 2217
adam@1365 2218 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_int n) {
adam@1360 2219 int len;
adam@1360 2220
adam@1360 2221 uw_check(ctx, INTS_MAX);
adam@1360 2222 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360 2223 ctx->page.front += len;
phurst@1981 2224
adam@1360 2225 return uw_unit_v;
adam@1360 2226 }
adam@1360 2227
adam@1444 2228 char *uw_Basis_htmlifyString(uw_context ctx, const char *s) {
adamc@137 2229 char *r, *s2;
adamc@137 2230
adamc@311 2231 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 2232
adamc@666 2233 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054 2234 unsigned char c = *s;
adamc@137 2235
adamc@137 2236 switch (c) {
adamc@137 2237 case '<':
adamc@137 2238 strcpy(s2, "&lt;");
adamc@137 2239 s2 += 4;
adamc@137 2240 break;
adamc@137 2241 case '&':
adamc@137 2242 strcpy(s2, "&amp;");
adamc@137 2243 s2 += 5;
adamc@137 2244 break;
adamc@137 2245 default:
adamc@1059 2246 *s2++ = c;
adamc@137 2247 }
adamc@137 2248 }
adamc@137 2249
adamc@137 2250 *s2++ = 0;
adamc@666 2251 ctx->heap.front = s2;
adamc@137 2252 return r;
adamc@135 2253 }
adamc@135 2254
adamc@428 2255 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 2256 uw_check(ctx, strlen(s) * 6);
adamc@135 2257
adamc@135 2258 for (; *s; s++) {
adamc@1054 2259 unsigned char c = *s;
adamc@135 2260
adamc@135 2261 switch (c) {
adamc@135 2262 case '<':
adamc@311 2263 uw_write_unsafe(ctx, "&lt;");
adamc@135 2264 break;
adamc@135 2265 case '&':
adamc@311 2266 uw_write_unsafe(ctx, "&amp;");
adamc@135 2267 break;
adamc@135 2268 default:
adamc@1059 2269 uw_writec_unsafe(ctx, c);
adamc@135 2270 }
adamc@135 2271 }
adamc@428 2272
adamc@428 2273 return uw_unit_v;
adamc@135 2274 }
adamc@180 2275
adamc@311 2276 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2277 if (b == uw_Basis_False)
adamc@286 2278 return "False";
adamc@286 2279 else
adamc@286 2280 return "True";
adamc@286 2281 }
adamc@286 2282
adamc@428 2283 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 2284 if (b == uw_Basis_False) {
adamc@311 2285 uw_check(ctx, 6);
adamc@666 2286 strcpy(ctx->page.front, "False");
adamc@666 2287 ctx->page.front += 5;
adamc@286 2288 } else {
adamc@311 2289 uw_check(ctx, 5);
adamc@666 2290 strcpy(ctx->page.front, "True");
adamc@666 2291 ctx->page.front += 4;
adamc@286 2292 }
adamc@428 2293
adamc@428 2294 return uw_unit_v;
adamc@286 2295 }
adamc@286 2296
adamc@436 2297 #define TIME_FMT "%x %X"
adamc@438 2298 #define TIME_FMT_PG "%Y-%m-%d %T"
adam@1632 2299 #define TIME_FMT_JS "%Y/%m/%d %T"
adamc@436 2300
adam@1629 2301 uw_Basis_string uw_Basis_timeToString(uw_context, uw_Basis_time);
adam@1629 2302
adamc@436 2303 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adam@1629 2304 return uw_Basis_htmlifyString(ctx, uw_Basis_timeToString(ctx, t));
adamc@436 2305 }
adamc@436 2306
adamc@436 2307 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1629 2308 return uw_Basis_htmlifyString_w(ctx, uw_Basis_timeToString(ctx, t));
adamc@436 2309 }
adamc@436 2310
adam@1446 2311 char *uw_Basis_htmlifySource(uw_context ctx, uw_Basis_source src) {
adam@1446 2312 int len;
adam@1446 2313 char *r;
adam@1446 2314
adam@1446 2315 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1446 2316 r = ctx->heap.front;
adam@1446 2317 sprintf(r, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2318 ctx->heap.front += len+1;
adam@1446 2319 return r;
adam@1446 2320 }
adam@1446 2321
adam@1446 2322 uw_unit uw_Basis_htmlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1446 2323 int len;
adam@1446 2324
adam@1446 2325 uw_check(ctx, 2 * INTS_MAX + 1);
adam@1446 2326 sprintf(ctx->page.front, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2327 ctx->page.front += len;
phurst@1981 2328
adam@1446 2329 return uw_unit_v;
adam@1446 2330 }
adam@1446 2331
adamc@821 2332 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2333 while (n >= 0) {
adam@1388 2334 if (*s == 0)
adam@1388 2335 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adam@1388 2336
adam@1388 2337 if (n == 0)
adam@1388 2338 return *s;
adam@1388 2339
adam@1388 2340 --n;
adam@1388 2341 ++s;
adam@1388 2342 }
adam@1388 2343
adam@1388 2344 uw_error(ctx, FATAL, "Negative strsub bound");
adamc@821 2345 }
adamc@821 2346
adamc@821 2347 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2348 while (n >= 0) {
adam@1388 2349 if (*s == 0 || n == 0)
adam@1388 2350 return s;
adam@1388 2351
adam@1388 2352 --n;
adam@1388 2353 ++s;
adam@1388 2354 }
adam@1388 2355
adam@1388 2356 uw_error(ctx, FATAL, "Negative strsuffix bound");
adamc@821 2357 }
adamc@821 2358
adamc@828 2359 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 2360 return strlen(s);
adamc@828 2361 }
adamc@828 2362
adam@1388 2363 uw_Basis_bool uw_Basis_strlenGe(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2364 while (n > 0) {
adam@1388 2365 if (*s == 0)
adam@1388 2366 return uw_Basis_False;
adam@1388 2367
adam@1388 2368 --n;
adam@1388 2369 ++s;
adam@1388 2370 }
adam@1388 2371
adam@1388 2372 return uw_Basis_True;
adam@1388 2373 }
adam@1388 2374
adamc@829 2375 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2376 return strchr(s, ch);
adamc@829 2377 }
adamc@829 2378
adamc@831 2379 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 2380 return strcspn(s, chs);
adamc@831 2381 }
adamc@831 2382
adamc@829 2383 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2384 uw_Basis_string r = strchr(s, ch);
adamc@829 2385 if (r == NULL)
adamc@829 2386 return NULL;
adamc@829 2387 else {
adamc@829 2388 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 2389 *nr = r - s;
adamc@829 2390 return nr;
adamc@829 2391 }
adamc@829 2392 }
adamc@829 2393
adam@1390 2394 uw_Basis_int *uw_Basis_strsindex(uw_context ctx, const char *haystack, const char *needle) {
adam@1390 2395 uw_Basis_string r = strstr(haystack, needle);
adam@1390 2396 if (r == NULL)
adam@1390 2397 return NULL;
adam@1390 2398 else {
adam@1390 2399 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adam@1390 2400 *nr = r - haystack;
adam@1390 2401 return nr;
adam@1390 2402 }
adam@1390 2403 }
adam@1390 2404
adamc@311 2405 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 2406 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 2407 char *s;
adamc@180 2408
adamc@311 2409 uw_check_heap(ctx, len);
adamc@180 2410
adamc@666 2411 s = ctx->heap.front;
adamc@180 2412
adamc@180 2413 strcpy(s, s1);
adamc@180 2414 strcat(s, s2);
adamc@666 2415 ctx->heap.front += len;
adamc@180 2416
adamc@180 2417 return s;
adamc@180 2418 }
adamc@278 2419
adamc@829 2420 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 2421 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 2422
adamc@829 2423 if (start < 0)
adamc@829 2424 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 2425 if (len < 0)
adamc@829 2426 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 2427 if (start + len > full_len)
adamc@829 2428 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 2429
adamc@829 2430 if (start + len == full_len)
adamc@829 2431 return &s[start];
adamc@829 2432 else {
adamc@829 2433 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 2434 memcpy(r, s+start, len);
adamc@829 2435 r[len] = 0;
adamc@829 2436 return r;
adamc@829 2437 }
phurst@1981 2438
adamc@829 2439 }
adamc@829 2440
adamc@1023 2441 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023 2442 char *r;
adamc@1023 2443
adamc@1023 2444 uw_check_heap(ctx, 2);
adamc@1023 2445 r = ctx->heap.front;
adamc@1023 2446 r[0] = ch;
adamc@1023 2447 r[1] = 0;
adamc@1023 2448
adamc@1023 2449 ctx->heap.front += 2;
adamc@1023 2450
adamc@1023 2451 return r;
adamc@1023 2452 }
adamc@1023 2453
adamc@737 2454 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 2455 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 2456 char *s;
adamc@278 2457
adamc@311 2458 uw_check_heap(ctx, len);
adamc@278 2459
adamc@666 2460 s = ctx->heap.front;
adamc@278 2461
adamc@278 2462 strcpy(s, s1);
adamc@666 2463 ctx->heap.front += len;
adamc@278 2464
adamc@278 2465 return s;
adamc@278 2466 }
adamc@280 2467
adam@1295 2468 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295 2469 if (ctx->error_message[0]) {
adam@1295 2470 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295 2471 ctx->error_message[0] = 0;
adam@1295 2472 return s;
adam@1295 2473 } else
adam@1295 2474 return NULL;
adam@1295 2475 }
adam@1295 2476
adamc@737 2477 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 2478 if (s1)
adamc@737 2479 return uw_strdup(ctx, s1);
adamc@493 2480 else
adamc@493 2481 return NULL;
adamc@493 2482 }
adamc@493 2483
adamc@742 2484 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 2485 char *r = uw_malloc(ctx, len);
adamc@742 2486 memcpy(r, p, len);
adamc@742 2487 return r;
adamc@742 2488 }
adamc@280 2489
adamc@879 2490 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 2491
adamc@311 2492 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 2493 int len;
adamc@281 2494 char *r;
adamc@281 2495
adamc@311 2496 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 2497 r = ctx->heap.front;
adamc@879 2498 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 2499 ctx->heap.front += len+1;
adamc@281 2500 return r;
adamc@281 2501 }
adamc@281 2502
adamc@467 2503 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 2504 if (n == NULL)
adamc@467 2505 return "NULL";
adamc@467 2506 else
adamc@467 2507 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 2508 }
adamc@467 2509
adam@1920 2510 char *uw_sqlfmtFloat = "%.16g::float8%n";
adamc@879 2511
adamc@311 2512 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 2513 int len;
adamc@281 2514 char *r;
adamc@281 2515
adamc@311 2516 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 2517 r = ctx->heap.front;
adamc@879 2518 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 2519 ctx->heap.front += len+1;
adamc@281 2520 return r;
adamc@281 2521 }
adamc@281 2522
adamc@467 2523 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 2524 if (n == NULL)
adamc@467 2525 return "NULL";
adamc@467 2526 else
adamc@467 2527 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 2528 }
adamc@467 2529
adam@1834 2530 int uw_Estrings = 1, uw_sql_type_annotations = 1;
adamc@879 2531 char *uw_sqlsuffixString = "::text";
adamc@1011 2532 char *uw_sqlsuffixChar = "::char";
adamc@281 2533
adamc@311 2534 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 2535 char *r, *s2;
adamc@280 2536
adamc@879 2537 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 2538
adamc@666 2539 r = s2 = ctx->heap.front;
adamc@879 2540 if (uw_Estrings)
adamc@879 2541 *s2++ = 'E';
adamc@280 2542 *s2++ = '\'';
adamc@280 2543
adamc@280 2544 for (; *s; s++) {
adamc@280 2545 char c = *s;
adamc@280 2546
adamc@280 2547 switch (c) {
adamc@280 2548 case '\'':
adamc@885 2549 if (uw_Estrings)
adamc@885 2550 strcpy(s2, "\\'");
adamc@885 2551 else
adamc@885 2552 strcpy(s2, "''");
adamc@280 2553 s2 += 2;
adamc@280 2554 break;
adamc@280 2555 case '\\':
adamc@885 2556 if (uw_Estrings) {
adamc@885 2557 strcpy(s2, "\\\\");
adamc@885 2558 s2 += 2;
adamc@885 2559 } else
adamc@885 2560 *s2++ = '\\';
adamc@280 2561 break;
adamc@280 2562 default:
adamc@1150 2563 if (isprint((int)c))
adamc@280 2564 *s2++ = c;
adamc@879 2565 else if (uw_Estrings) {
adam@1857 2566 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@280 2567 s2 += 4;
adamc@280 2568 }
adamc@879 2569 else
adam@1689 2570 *s2++ = c; // I hope this is safe to do... don't know how to support UTF-8 outside Postgres otherwise!
adamc@280 2571 }
adamc@280 2572 }
adamc@280 2573
adamc@879 2574 *s2++ = '\'';
adamc@879 2575 strcpy(s2, uw_sqlsuffixString);
adamc@879 2576 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2577 return r;
adamc@280 2578 }
adamc@281 2579
adamc@1011 2580 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 2581 char *r, *s2;
adamc@1011 2582
adamc@1011 2583 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011 2584
adamc@1011 2585 r = s2 = ctx->heap.front;
adamc@1011 2586 if (uw_Estrings)
adamc@1011 2587 *s2++ = 'E';
adamc@1011 2588 *s2++ = '\'';
adamc@1011 2589
adamc@1011 2590 switch (c) {
adamc@1011 2591 case '\'':
adamc@1011 2592 if (uw_Estrings)
adamc@1011 2593 strcpy(s2, "\\'");
adamc@1011 2594 else
adamc@1011 2595 strcpy(s2, "''");
adamc@1011 2596 s2 += 2;
adamc@1011 2597 break;
adamc@1011 2598 case '\\':
adamc@1011 2599 if (uw_Estrings) {
adamc@1011 2600 strcpy(s2, "\\\\");
adamc@1011 2601 s2 += 2;
adamc@1011 2602 } else
adamc@1011 2603 *s2++ = '\\';
adamc@1011 2604 break;
adamc@1011 2605 default:
adamc@1150 2606 if (isprint((int)c))
adamc@1011 2607 *s2++ = c;
adamc@1011 2608 else if (uw_Estrings) {
adam@1857 2609 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1011 2610 s2 += 4;
adamc@1011 2611 }
adamc@1011 2612 else
adamc@1011 2613 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011 2614 }
adamc@1011 2615
adamc@1011 2616 *s2++ = '\'';
adamc@1011 2617 strcpy(s2, uw_sqlsuffixChar);
adamc@1011 2618 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011 2619 return r;
adamc@1011 2620 }
adamc@1011 2621
adamc@879 2622 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2623
adam@1867 2624 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2625 char *r, *s2;
adamc@737 2626 size_t i;
adamc@737 2627
adam@1867 2628 uw_check_heap(ctx, b.size * 5 + 4 + strlen(uw_sqlsuffixBlob));
adamc@737 2629
adamc@737 2630 r = s2 = ctx->heap.front;
adamc@879 2631 if (uw_Estrings)
adamc@879 2632 *s2++ = 'E';
adam@1867 2633 else
adam@1867 2634 *s2++ = 'X';
adamc@737 2635 *s2++ = '\'';
adamc@737 2636
adamc@737 2637 for (i = 0; i < b.size; ++i) {
adam@1867 2638 unsigned char c = b.data[i];
adam@1867 2639
adam@1867 2640 if (uw_Estrings) {
adam@1867 2641 switch (c) {
adam@1867 2642 case '\'':
adamc@885 2643 strcpy(s2, "\\'");
adam@1867 2644 s2 += 2;
adam@1867 2645 break;
adam@1867 2646 case '\\':
adamc@885 2647 strcpy(s2, "\\\\\\\\");
adamc@885 2648 s2 += 4;
adam@1867 2649 break;
adam@1867 2650 default:
adam@1867 2651 if (isprint((int)c))
adam@1867 2652 *s2++ = c;
adam@1867 2653 else {
adam@1867 2654 sprintf(s2, "\\\\%03o", c);
adam@1867 2655 s2 += 5;
adam@1867 2656 }
adamc@737 2657 }
adam@1867 2658 } else {
adam@1867 2659 sprintf(s2, "%02X", c);
adam@1867 2660 s2 += 2;
adamc@737 2661 }
phurst@1981 2662 }
adamc@737 2663
adamc@879 2664 *s2++ = '\'';
adamc@879 2665 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2666 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2667 return r;
adamc@737 2668 }
adamc@737 2669
adamc@682 2670 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2671 int len;
adamc@682 2672 char *r;
adamc@682 2673 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2674
adamc@682 2675 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2676 r = ctx->heap.front;
adamc@879 2677 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2678 ctx->heap.front += len+1;
adamc@682 2679 return r;
adamc@682 2680 }
adamc@682 2681
adamc@682 2682 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2683 int len;
adamc@682 2684 char *r;
adamc@682 2685 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2686
adamc@682 2687 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2688 r = ctx->heap.front;
adamc@682 2689 sprintf(r, "%lld%n", combo, &len);
adamc@682 2690 ctx->heap.front += len+1;
adamc@682 2691 return r;
adamc@682 2692 }
adamc@682 2693
adamc@879 2694 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2695
adamc@682 2696 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2697 int len;
adamc@682 2698 char *r;
adamc@682 2699
adamc@682 2700 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2701 r = ctx->heap.front;
adamc@879 2702 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2703 ctx->heap.front += len+1;
adamc@682 2704 return r;
adamc@682 2705 }
adamc@682 2706
adamc@682 2707 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2708 int len;
adamc@682 2709 char *r;
adamc@682 2710
adamc@682 2711 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2712 r = ctx->heap.front;
adamc@682 2713 sprintf(r, "%u%n", cli, &len);
adamc@682 2714 ctx->heap.front += len+1;
adamc@682 2715 return r;
adamc@682 2716 }
adamc@682 2717
adamc@467 2718 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2719 if (s == NULL)
adamc@467 2720 return "NULL";
adamc@467 2721 else
adamc@467 2722 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2723 }
adamc@467 2724
adamc@311 2725 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2726 if (b == uw_Basis_False)
adamc@281 2727 return "FALSE";
adamc@281 2728 else
adamc@281 2729 return "TRUE";
adamc@281 2730 }
adamc@282 2731
adamc@467 2732 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2733 if (b == NULL)
adamc@467 2734 return "NULL";
adamc@467 2735 else
adamc@467 2736 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2737 }
adamc@467 2738
adamc@439 2739 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2740 size_t len;
adamc@682 2741 char *r, *s;
adam@1392 2742 struct tm stm = {};
adam@1392 2743 stm.tm_isdst = -1;
adamc@682 2744
adam@1365 2745 if (localtime_r(&t.seconds, &stm)) {
adamc@682 2746 s = uw_malloc(ctx, TIMES_MAX);
adam@1364 2747 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1834 2748 if (uw_sql_type_annotations) {
adam@1834 2749 if (t.microseconds) {
adam@1834 2750 r = uw_malloc(ctx, len + 21);
adam@1834 2751 sprintf(r, "'%s.%06u'::timestamp", s, t.microseconds);
adam@1834 2752 } else {
adam@1834 2753 r = uw_malloc(ctx, len + 14);
adam@1834 2754 sprintf(r, "'%s'::timestamp", s);
adam@1834 2755 }
adam@1367 2756 } else {
adam@1834 2757 r = uw_malloc(ctx, len + 3);
adam@1834 2758 sprintf(r, "'%s'", s);
adam@1367 2759 }
adamc@682 2760 return r;
adamc@682 2761 } else
adamc@682 2762 return "<Invalid time>";
adamc@682 2763 }
adamc@682 2764
adamc@682 2765 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2766 size_t len;
adamc@439 2767 char *r;
adam@1392 2768 struct tm stm = {};
adam@1392 2769 stm.tm_isdst = -1;
adamc@439 2770
adam@1365 2771 if (localtime_r(&t.seconds, &stm)) {
adamc@439 2772 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2773 r = ctx->heap.front;
adamc@439 2774 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2775 ctx->heap.front += len+1;
adamc@439 2776 return r;
adamc@439 2777 } else
adamc@439 2778 return "<Invalid time>";
adamc@439 2779 }
adamc@439 2780
adam@1364 2781 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364 2782 size_t len;
adam@1364 2783 char *r;
adam@1392 2784 struct tm stm = {};
adam@1392 2785 stm.tm_isdst = -1;
adam@1364 2786
adam@1365 2787 if (localtime_r(&t.seconds, &stm)) {
adam@1364 2788 uw_check_heap(ctx, TIMES_MAX);
adam@1364 2789 r = ctx->heap.front;
adam@1365 2790 len = strftime(r, TIMES_MAX-7, TIME_FMT_PG, &stm);
adam@1365 2791 ctx->heap.front += len;
adam@1365 2792 sprintf(ctx->heap.front, ".%06u", t.microseconds);
adam@1365 2793 ctx->heap.front += 8;
adam@1364 2794 return r;
adam@1364 2795 } else
adam@1364 2796 return "<Invalid time>";
adam@1364 2797 }
adam@1364 2798
adamc@467 2799 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2800 if (t == NULL)
adamc@467 2801 return "NULL";
adamc@467 2802 else
adamc@467 2803 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2804 }
adamc@467 2805
adamc@311 2806 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2807 static uw_Basis_int true = 1;
adamc@311 2808 static uw_Basis_int false = 0;
adamc@282 2809
adamc@311 2810 if (b == uw_Basis_False)
adamc@282 2811 return (char *)&false;
adamc@282 2812 else
adamc@282 2813 return (char *)&true;
adamc@282 2814 }
adamc@284 2815
adamc@311 2816 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2817 int len;
adamc@284 2818 char *r;
adamc@284 2819
adamc@311 2820 uw_check_heap(ctx, INTS_MAX);
adamc@666 2821 r = ctx->heap.front;
adamc@284 2822 sprintf(r, "%lld%n", n, &len);
adamc@666 2823 ctx->heap.front += len+1;
adamc@284 2824 return r;
adamc@284 2825 }
adamc@285 2826
adamc@311 2827 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2828 int len;
adamc@285 2829 char *r;
adamc@285 2830
adamc@311 2831 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2832 r = ctx->heap.front;
adamc@285 2833 sprintf(r, "%g%n", n, &len);
adamc@666 2834 ctx->heap.front += len+1;
adamc@285 2835 return r;
adamc@285 2836 }
adamc@285 2837
adamc@821 2838 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2839 char *r = uw_malloc(ctx, 2);
adamc@821 2840 r[0] = ch;
adamc@821 2841 r[1] = 0;
adamc@821 2842 return r;
adamc@821 2843 }
adamc@821 2844
adamc@311 2845 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2846 if (b == uw_Basis_False)
adamc@285 2847 return "False";
adamc@285 2848 else
adamc@285 2849 return "True";
adamc@285 2850 }
adamc@288 2851
adam@1359 2852 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352 2853 size_t len;
adam@1352 2854 char *r;
adam@1392 2855 struct tm stm = {};
adam@1392 2856 stm.tm_isdst = -1;
adam@1352 2857
adam@1365 2858 if (localtime_r(&t.seconds, &stm)) {
adam@1352 2859 uw_check_heap(ctx, TIMES_MAX);
adam@1352 2860 r = ctx->heap.front;
adam@1352 2861 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352 2862 ctx->heap.front += len+1;
adam@1352 2863 return r;
adam@1352 2864 } else
adam@1352 2865 return "<Invalid time>";
adam@1352 2866 }
adam@1352 2867
adam@1629 2868 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adam@1629 2869 return uw_Basis_timef(ctx, ctx->app->time_format, t);
adam@1629 2870 }
adam@1629 2871
adamc@311 2872 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2873 char *endptr;
adamc@311 2874 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2875
adamc@288 2876 if (*s != '\0' && *endptr == '\0') {
adamc@311 2877 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2878 *r = n;
adamc@288 2879 return r;
adamc@288 2880 } else
adamc@288 2881 return NULL;
adamc@288 2882 }
adamc@289 2883
adamc@311 2884 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2885 char *endptr;
adamc@311 2886 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2887
adamc@289 2888 if (*s != '\0' && *endptr == '\0') {
adamc@311 2889 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2890 *r = n;
adamc@289 2891 return r;
adamc@289 2892 } else
adamc@289 2893 return NULL;
adamc@289 2894 }
adamc@289 2895
adamc@821 2896 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2897 if (s[0] == 0) {
adamc@821 2898 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2899 r[0] = 0;
adamc@821 2900 return r;
adamc@821 2901 } else if (s[1] != 0)
adamc@821 2902 return NULL;
adamc@821 2903 else {
adamc@821 2904 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2905 r[0] = s[0];
adamc@821 2906 return r;
adamc@821 2907 }
adamc@821 2908 }
adamc@821 2909
adamc@311 2910 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2911 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2912 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2913
adamc@289 2914 if (!strcasecmp (s, "True"))
adamc@289 2915 return &true;
adamc@289 2916 else if (!strcasecmp (s, "False"))
adamc@289 2917 return &false;
adamc@289 2918 else
adamc@289 2919 return NULL;
adamc@289 2920 }
adamc@292 2921
adamc@436 2922 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2923 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1374 2924 struct tm stm = {};
adam@1392 2925 stm.tm_isdst = -1;
adamc@436 2926
adamc@439 2927 if (dot) {
adamc@439 2928 *dot = 0;
adamc@439 2929 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2930 *dot = '.';
adamc@439 2931 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2932 r->seconds = mktime(&stm);
adam@1365 2933 r->microseconds = 0;
adamc@439 2934 return r;
adamc@439 2935 }
adamc@439 2936 else {
adamc@439 2937 *dot = '.';
adamc@439 2938 return NULL;
adamc@439 2939 }
adamc@436 2940 }
adamc@439 2941 else {
adam@2072 2942 if (strptime(s, ctx->app->time_format, &stm) == end) {
adamc@439 2943 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2944 r->seconds = mktime(&stm);
adam@1365 2945 r->microseconds = 0;
adamc@439 2946 return r;
adam@2072 2947 } else if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@2072 2948 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@2072 2949 r->seconds = mktime(&stm);
adam@2072 2950 r->microseconds = 0;
adam@2072 2951 return r;
adam@2072 2952 } else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2953 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2954 r->seconds = mktime(&stm);
adam@1365 2955 r->microseconds = 0;
adamc@439 2956 return r;
adam@1632 2957 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632 2958 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1632 2959 r->seconds = mktime(&stm);
adam@1632 2960 r->microseconds = 0;
adam@1632 2961 return r;
adamc@439 2962 }
adamc@439 2963 else
adamc@439 2964 return NULL;
adamc@439 2965 }
adamc@436 2966 }
adamc@436 2967
adam@1352 2968 uw_Basis_time *uw_Basis_stringToTimef(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2969 char *end = strchr(s, 0);
adam@1374 2970 struct tm stm = {};
adam@1392 2971 stm.tm_isdst = -1;
adam@1352 2972
adam@1352 2973 if (strptime(s, fmt, &stm) == end) {
adam@1352 2974 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2975 r->seconds = mktime(&stm);
adam@1365 2976 r->microseconds = 0;
adam@1352 2977 return r;
adam@1352 2978 }
adam@1352 2979 else
adam@1352 2980 return NULL;
adam@1352 2981 }
adam@1352 2982
adamc@311 2983 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 2984 char *endptr;
adamc@311 2985 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 2986
adamc@292 2987 if (*s != '\0' && *endptr == '\0')
adamc@292 2988 return n;
adamc@292 2989 else
adam@1444 2990 uw_error(ctx, FATAL, "Can't parse int: %s", uw_Basis_htmlifyString(ctx, s));
adamc@292 2991 }
adamc@293 2992
adamc@682 2993 #include <errno.h>
adamc@682 2994
adamc@678 2995 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 2996 unsigned long long n;
adamc@682 2997
adamc@682 2998 if (sscanf(s, "%llu", &n) < 1)
adam@1444 2999 uw_error(ctx, FATAL, "Can't parse channel: %s", uw_Basis_htmlifyString(ctx, s));
adamc@682 3000 else {
adamc@682 3001 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 3002 return ch;
adamc@682 3003 }
adamc@682 3004 }
adamc@682 3005
adamc@682 3006 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 3007 char *endptr;
adamc@682 3008 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 3009
adamc@678 3010 if (*s != '\0' && *endptr == '\0')
adamc@678 3011 return n;
adamc@678 3012 else
adam@1444 3013 uw_error(ctx, FATAL, "Can't parse client: %s", uw_Basis_htmlifyString(ctx, s));
adamc@678 3014 }
adamc@678 3015
adamc@311 3016 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 3017 char *endptr;
adamc@311 3018 uw_Basis_float n = strtod(s, &endptr);
adamc@293 3019
adamc@293 3020 if (*s != '\0' && *endptr == '\0')
adamc@293 3021 return n;
adamc@293 3022 else
adam@1444 3023 uw_error(ctx, FATAL, "Can't parse float: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 3024 }
adamc@293 3025
adamc@821 3026 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 3027 if (s[0] == 0)
adamc@821 3028 return 0;
adamc@821 3029 else if (s[1] != 0)
adam@1444 3030 uw_error(ctx, FATAL, "Can't parse char: %s", uw_Basis_htmlifyString(ctx, s));
adamc@821 3031 else
adamc@821 3032 return s[0];
adamc@821 3033 }
adamc@821 3034
adamc@311 3035 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 3036 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 3037 return uw_Basis_True;
adamc@296 3038 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 3039 return uw_Basis_False;
adamc@293 3040 else
adam@1444 3041 uw_error(ctx, FATAL, "Can't parse bool: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 3042 }
adamc@436 3043
adam@1352 3044 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352 3045 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1352 3046 struct tm stm = {};
adam@1392 3047 stm.tm_isdst = -1;
adam@1352 3048
adam@1352 3049 if (dot) {
adam@1352 3050 *dot = 0;
adam@1352 3051 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352 3052 *dot = '.';
adam@1410 3053 char usec[] = "000000";
adam@1410 3054 int len = strlen(dot+1);
adam@1410 3055 memcpy(usec, dot+1, len < 6 ? len : 6);
adam@1410 3056 uw_Basis_time r = { mktime(&stm), atoi(usec) };
adam@1365 3057 return r;
adam@1352 3058 }
adam@1352 3059 else {
adam@1352 3060 *dot = '.';
adam@1444 3061 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 3062 }
adam@1352 3063 }
adam@1352 3064 else {
adam@1352 3065 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 3066 uw_Basis_time r = { mktime(&stm) };
adam@1365 3067 return r;
adam@1352 3068 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 3069 uw_Basis_time r = { mktime(&stm) };
adam@1365 3070 return r;
adam@1352 3071 } else
adam@1444 3072 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 3073 }
adam@1352 3074 }
adam@1352 3075
adamc@436 3076 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 3077 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 3078 struct tm stm = {};
adam@1392 3079 stm.tm_isdst = -1;
adamc@436 3080
adamc@438 3081 if (dot) {
adamc@438 3082 *dot = 0;
adamc@438 3083 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 3084 *dot = '.';
adam@1365 3085 {
adam@1365 3086 uw_Basis_time r = { mktime(&stm) };
adam@1365 3087 return r;
adam@1365 3088 }
adamc@438 3089 }
adamc@438 3090 else {
adamc@438 3091 *dot = '.';
adam@1444 3092 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 3093 }
adamc@438 3094 }
adamc@438 3095 else {
adam@2072 3096 if (strptime(s, ctx->app->time_format, &stm) == end) {
adam@2072 3097 uw_Basis_time r = { mktime(&stm) };
adam@2072 3098 return r;
adam@2072 3099 } else if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 3100 uw_Basis_time r = { mktime(&stm) };
adam@1365 3101 return r;
adam@1365 3102 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 3103 uw_Basis_time r = { mktime(&stm) };
adam@1365 3104 return r;
adam@1632 3105 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632 3106 uw_Basis_time r = { mktime(&stm) };
adam@1632 3107 return r;
adam@1365 3108 } else
adam@1444 3109 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 3110 }
adamc@436 3111 }
adamc@457 3112
adam@1352 3113 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 3114 char *end = strchr(s, 0);
adamc@939 3115 struct tm stm = {};
adam@1392 3116 stm.tm_isdst = -1;
adamc@939 3117
adam@1365 3118 if (strptime(s, fmt, &stm) == end) {
adam@1365 3119 uw_Basis_time r = { mktime(&stm) };
adam@1365 3120 return r;
adam@1365 3121 } else
adam@1444 3122 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@939 3123 }
adamc@939 3124
adamc@742 3125 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 3126 char *r = ctx->heap.front;
adamc@742 3127 uw_Basis_blob b = {len, r};
adamc@742 3128
adamc@742 3129 uw_check_heap(ctx, len);
adamc@742 3130
adam@1992 3131 if (s[0] == '\\' && s[1] == 'x') {
adam@1992 3132 s += 2;
adam@1992 3133
adam@1992 3134 while (*s) {
adam@1992 3135 int n;
adam@1992 3136 sscanf(s, "%02x", &n);
adam@1992 3137 *r++ = n;
adam@1992 3138 s += 2;
adam@1992 3139 }
adam@1992 3140 } else {
adam@1992 3141 while (*s) {
adam@1992 3142 if (s[0] == '\\') {
adam@1992 3143 if (s[1] == '\\') {
adam@1992 3144 *r++ = '\\';
adam@1992 3145 s += 2;
adam@1992 3146 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adam@1992 3147 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adam@1992 3148 s += 4;
adam@1992 3149 }
adam@1992 3150 else {
adam@1992 3151 *r++ = '\\';
adam@1992 3152 ++s;
adam@1992 3153 }
adam@1992 3154 } else {
adam@1992 3155 *r++ = s[0];
adamc@742 3156 ++s;
adamc@742 3157 }
adamc@742 3158 }
adamc@742 3159 }
adamc@742 3160
adamc@742 3161 b.size = r - ctx->heap.front;
adamc@742 3162 ctx->heap.front = r;
adam@1992 3163
adamc@742 3164 return b;
adamc@742 3165 }
adamc@742 3166
adam@1402 3167 #define THE_PAST "expires=Sat, 01-Jan-2011 00:00:00 GMT"
adamc@1052 3168
adamc@463 3169 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 3170 int len = strlen(c);
adamc@854 3171 char *p = ctx->outHeaders.start;
adamc@474 3172
adamc@1134 3173 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474 3174 char *p2;
adamc@474 3175 p += 13;
adamc@474 3176 p2 = strchr(p, '=');
adamc@474 3177
adamc@474 3178 if (p2) {
adamc@474 3179 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 3180
adamc@474 3181 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052 3182 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052 3183 return NULL;
adamc@1052 3184 else {
adamc@1052 3185 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052 3186 memcpy(ret, p2+1, sz);
adamc@1052 3187 ret[sz] = 0;
adamc@1052 3188 return ret;
adamc@1052 3189 }
adamc@474 3190 }
adamc@474 3191 }
adamc@474 3192 }
adamc@463 3193
adamc@1134 3194 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051 3195 char *p2;
adamc@1051 3196
adamc@854 3197 while (1) {
adamc@1051 3198 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134 3199 if ((p2 = strchr(p, ';'))) {
adamc@1051 3200 size_t n = p2 - (p + len);
adamc@1051 3201 char *r = uw_malloc(ctx, n);
adamc@1051 3202 memcpy(r, p + 1 + len, n-1);
adamc@1051 3203 r[n-1] = 0;
adamc@1051 3204 return r;
adamc@1051 3205 } else
adamc@1051 3206 return p + 1 + len;
adamc@1134 3207 } else if ((p = strchr(p, ';')))
adamc@854 3208 p += 2;
adamc@463 3209 else
adamc@463 3210 return NULL;
adamc@463 3211 }
adamc@463 3212 }
adamc@792 3213
adamc@792 3214 return NULL;
adamc@457 3215 }
adamc@462 3216
adam@1877 3217 static void set_cookie(uw_context ctx) {
adam@1877 3218 if (ctx->usedSig)
adam@1877 3219 ctx->needsResig = 1;
adam@1877 3220 }
adam@1877 3221
adamc@1050 3222 uw_unit uw_Basis_set_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c, uw_Basis_string v, uw_Basis_time *expires, uw_Basis_bool secure) {
adamc@462 3223 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 3224 uw_write_header(ctx, c);
adamc@462 3225 uw_write_header(ctx, "=");
adamc@462 3226 uw_write_header(ctx, v);
adamc@466 3227 uw_write_header(ctx, "; path=");
adamc@466 3228 uw_write_header(ctx, prefix);
adamc@1050 3229 if (expires) {
adamc@1050 3230 char formatted[30];
adam@1392 3231 struct tm tm = {};
adam@1392 3232 tm.tm_isdst = -1;
adamc@1050 3233
adam@1365 3234 gmtime_r(&expires->seconds, &tm);
adamc@1050 3235
adamc@1050 3236 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050 3237
adamc@1050 3238 uw_write_header(ctx, "; expires=");
adamc@1050 3239 uw_write_header(ctx, formatted);
adamc@1050 3240 }
adamc@1050 3241 if (secure)
adamc@1050 3242 uw_write_header(ctx, "; secure");
adamc@462 3243 uw_write_header(ctx, "\r\n");
adam@1877 3244 set_cookie(ctx);
adamc@462 3245
adamc@462 3246 return uw_unit_v;
adamc@462 3247 }
adamc@667 3248
adamc@1050 3249 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050 3250 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050 3251 uw_write_header(ctx, c);
adamc@1050 3252 uw_write_header(ctx, "=; path=");
adamc@1050 3253 uw_write_header(ctx, prefix);
adamc@1052 3254 uw_write_header(ctx, "; " THE_PAST "\r\n");
adam@1877 3255 set_cookie(ctx);
adamc@1050 3256
adamc@1050 3257 return uw_unit_v;
adamc@1050 3258 }
adamc@1050 3259
adamc@1113 3260 size_t uw_deltas_max = SIZE_MAX;
adamc@1113 3261
adamc@682 3262 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 3263 unsigned i;
adamc@682 3264 delta *d;
adamc@671 3265
adamc@682 3266 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 3267 if (ctx->deltas[i].client == client)
adamc@682 3268 return &ctx->deltas[i];
adamc@671 3269
adamc@682 3270 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113 3271 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113 3272 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113 3273
adamc@682 3274 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adam@1369 3275 uw_buffer_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 3276 }
adamc@671 3277
adamc@682 3278 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 3279 d->client = client;
adam@1369 3280 uw_buffer_reset(&d->msgs);
adamc@682 3281 return d;
adamc@671 3282 }
adamc@671 3283
adamc@668 3284 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 3285 if (ctx->client == NULL)
adamc@682 3286 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 3287
adamc@682 3288 return new_channel(ctx->client);
adamc@668 3289 }
adamc@668 3290
adamc@668 3291 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 3292 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 3293 size_t len;
adamc@682 3294 int preLen;
adamc@682 3295 char pre[INTS_MAX + 2];
adamc@668 3296
adamc@682 3297 len = strlen(msg);
adamc@682 3298
adamc@682 3299 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 3300
adam@1369 3301 ctx_uw_buffer_append(ctx, "messages", &d->msgs, pre, preLen);
adam@1369 3302 ctx_uw_buffer_append(ctx, "messages", &d->msgs, msg, len);
adam@1369 3303 ctx_uw_buffer_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671 3304
adamc@671 3305 return uw_unit_v;
adamc@668 3306 }
adamc@671 3307
adam@1327 3308 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131 3309 int i;
adamc@1131 3310 cleanup *cl;
adamc@1131 3311
adamc@1131 3312 if (ctx->client)
adamc@1131 3313 release_client(ctx->client);
adamc@1131 3314
adamc@1131 3315 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131 3316 cl->func(cl->arg);
adamc@1131 3317
adamc@1131 3318 ctx->cleanup_front = ctx->cleanup;
adamc@1131 3319
adamc@1131 3320 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3321 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3322 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131 3323
adamc@1131 3324 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3325 if (ctx->transactionals[i].free)
adam@1327 3326 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131 3327
adam@1941 3328 if (ctx->app && ctx->transaction_started) {
adam@1941 3329 ctx->transaction_started = 0;
adam@1941 3330 return ctx->app->db_rollback(ctx);
adam@1941 3331 } else
adam@1941 3332 return 0;
adamc@1131 3333 }
adamc@1131 3334
adam@1956 3335 const char uw_begin_xhtml[] = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">";
adam@1956 3336 const char uw_begin_html5[] = "<!DOCTYPE html><html>";
adam@1728 3337
adam@1877 3338 extern int uw_hash_blocksize;
adam@1877 3339
adam@1877 3340 static const char sig_intro[] = "<input type=\"hidden\" name=\"Sig\" value=\"";
adam@1877 3341
adam@1877 3342 static char *find_sig(char *haystack) {
adam@1877 3343 int i;
adam@1877 3344 char *s = strstr(haystack, sig_intro);
adam@1877 3345
adam@1877 3346 if (!s || strlen(haystack) - (s - haystack) - (sizeof sig_intro - 1) < uw_hash_blocksize*2+1)
adam@1877 3347 return NULL;
phurst@1981 3348
adam@1877 3349 s += sizeof sig_intro - 1;
adam@1877 3350
adam@1877 3351 for (i = 0; i < uw_hash_blocksize*2; ++i)
adam@1877 3352 if (!isxdigit((int)s[i]))
adam@1877 3353 return NULL;
adam@1877 3354
adam@1877 3355 if (s[i] != '"')
adam@1877 3356 return NULL;
adam@1877 3357
adam@1877 3358 return s;
adam@1877 3359 }
adam@1877 3360
adam@2033 3361 static pthread_mutex_t message_send_mutex = PTHREAD_MUTEX_INITIALIZER;
adam@2033 3362
adam@1938 3363 int uw_commit(uw_context ctx) {
adamc@1104 3364 int i;
adam@1877 3365 char *sig;
adamc@1104 3366
adamc@1131 3367 if (uw_has_error(ctx)) {
adam@1327 3368 uw_rollback(ctx, 0);
adam@1938 3369 return 0;
adamc@1131 3370 }
adamc@1131 3371
adamc@1104 3372 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3373 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3374 if (ctx->transactionals[i].commit) {
adamc@1083 3375 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3376 if (uw_has_error(ctx)) {
adam@1327 3377 uw_rollback(ctx, 0);
adam@1938 3378 return 0;
adamc@1131 3379 }
adamc@1131 3380 }
adamc@771 3381
adam@2033 3382 // Here's an important lock to provide the abstraction that all messages from one transaction are sent as an atomic unit.
adam@2033 3383 if (ctx->used_deltas > 0)
adam@2033 3384 pthread_mutex_lock(&message_send_mutex);
adam@2033 3385
adam@2000 3386 if (ctx->transaction_started) {
adam@2000 3387 int code = ctx->app->db_commit(ctx);
adam@2000 3388
adam@2000 3389 if (code) {
adam@2033 3390 if (ctx->used_deltas > 0)
adam@2033 3391 pthread_mutex_unlock(&message_send_mutex);
adam@2033 3392
adam@2000 3393 if (ctx->client)
adam@2000 3394 release_client(ctx->client);
adam@2000 3395
adam@2000 3396 if (code == -1) {
adam@2000 3397 // This case is for a serialization failure, which is not really an "error."
adam@2000 3398 // The transaction will restart, so we should rollback any transactionals
adam@2000 3399 // that triggered above.
adam@2000 3400
adam@2000 3401 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3402 if (ctx->transactionals[i].rollback != NULL)
adam@2000 3403 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adam@2000 3404
adam@2000 3405 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3406 if (ctx->transactionals[i].free)
adam@2000 3407 ctx->transactionals[i].free(ctx->transactionals[i].data, 1);
adam@2000 3408
grrwlf@2030 3409 return 1;
adam@2000 3410 }
adam@2000 3411
adam@2000 3412 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3413 if (ctx->transactionals[i].free)
adam@2000 3414 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adam@2000 3415
adam@2000 3416 uw_set_error_message(ctx, "Error running SQL COMMIT");
adam@2000 3417 return 0;
adam@2000 3418 }
adam@2000 3419 }
adam@2000 3420
adamc@1104 3421 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3422 if (ctx->transactionals[i].rollback == NULL)
adamc@1131 3423 if (ctx->transactionals[i].commit) {
adamc@1083 3424 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3425 if (uw_has_error(ctx)) {
adam@2033 3426 if (ctx->used_deltas > 0)
adam@2033 3427 pthread_mutex_unlock(&message_send_mutex);
adam@2033 3428
adam@2033 3429 if (ctx->client)
adam@2033 3430 release_client(ctx->client);
adam@2033 3431
adam@2033 3432 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2033 3433 if (ctx->transactionals[i].rollback != NULL)
adam@2033 3434 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adam@2033 3435
adam@2033 3436 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2033 3437 if (ctx->transactionals[i].free)
adam@2033 3438 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adam@2000 3439
adam@1938 3440 return 0;
adamc@1131 3441 }
adamc@1131 3442 }
adamc@1131 3443
adamc@682 3444 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 3445 delta *d = &ctx->deltas[i];
adamc@682 3446 client *c = find_client(d->client);
adamc@682 3447
adam@1551 3448 assert (c != NULL);
adam@1551 3449 assert(c->mode == USED);
adamc@682 3450
adam@1447 3451 client_send(c, &d->msgs, ctx->script.start, uw_buffer_used(&ctx->script));
adamc@682 3452 }
adamc@682 3453
adam@2033 3454 if (ctx->used_deltas > 0)
adam@2033 3455 pthread_mutex_unlock(&message_send_mutex);
adam@2033 3456
adamc@682 3457 if (ctx->client)
adamc@685 3458 release_client(ctx->client);
adamc@771 3459
adamc@1104 3460 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083 3461 if (ctx->transactionals[i].free)
adam@1327 3462 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916 3463
vshabanoff@1726 3464 uw_check(ctx, 1);
vshabanoff@1726 3465 *ctx->page.front = 0;
adam@1413 3466
adam@1956 3467 if (!ctx->returning_indirectly
adam@1956 3468 && (ctx->app->is_html5
adam@1956 3469 ? !strncmp(ctx->page.start, uw_begin_html5, sizeof uw_begin_html5 - 1)
adam@1956 3470 : !strncmp(ctx->page.start, uw_begin_xhtml, sizeof uw_begin_xhtml - 1))) {
adam@1728 3471 char *s;
adam@1728 3472
adam@1728 3473 // Splice script data into appropriate part of page, also adding <head> if needed.
adam@1956 3474 s = ctx->page.start + (ctx->app->is_html5 ? sizeof uw_begin_html5 - 1 : sizeof uw_begin_xhtml - 1);
adam@1728 3475 s = strchr(s, '<');
adam@1728 3476 if (s == NULL) {
adam@1728 3477 // Weird. Document has no tags!
adam@1728 3478
adam@1728 3479 uw_write(ctx, "<head></head><body></body>");
adam@1728 3480 uw_check(ctx, 1);
adam@1728 3481 *ctx->page.front = 0;
adam@1728 3482 } else if (!strncmp(s, "<head>", 6)) {
adam@1728 3483 // <head> is present. Let's add the <script> tags immediately after it.
adam@1728 3484
adam@1729 3485 // Any freeform JavaScript to include?
adam@1729 3486 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729 3487 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729 3488 size_t lenP = lenH + 40 + len;
adam@1729 3489 char *start = s + 6, *oldPage = ctx->page.start;
adam@1729 3490
adam@1729 3491 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3492 start += ctx->page.start - oldPage;
adam@1729 3493 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3494 ctx->page.front += lenP;
adam@1729 3495 memcpy(start, ctx->script_header, lenH);
adam@1729 3496 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adam@1729 3497 memcpy(start + lenH + 31, ctx->script.start, len);
adam@1729 3498 memcpy(start + lenH + 31 + len, "</script>", 9);
adam@1729 3499 } else {
adam@1729 3500 size_t lenH = strlen(ctx->script_header);
adam@1729 3501 char *start = s + 6, *oldPage = ctx->page.start;
adam@1729 3502
adam@1729 3503 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenH);
adam@1729 3504 start += ctx->page.start - oldPage;
adam@1729 3505 memmove(start + lenH, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3506 ctx->page.front += lenH;
adam@1729 3507 memcpy(start, ctx->script_header, lenH);
adam@1729 3508 }
adam@1728 3509 } else {
adam@1728 3510 // No <head>. At this point, add it, with <script> tags inside.
adam@1728 3511
adam@1729 3512 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729 3513 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729 3514 size_t lenP = lenH + 53 + len;
adam@1729 3515 char *start = s, *oldPage = ctx->page.start;
adam@1729 3516
adam@1729 3517 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3518 start += ctx->page.start - oldPage;
adam@1729 3519 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3520 ctx->page.front += lenP;
adam@1729 3521 memcpy(start, "<head>", 6);
adam@1729 3522 memcpy(start + 6, ctx->script_header, lenH);
adam@1729 3523 memcpy(start + 6 + lenH, "<script type=\"text/javascript\">", 31);
adam@1729 3524 memcpy(start + 6 + lenH + 31, ctx->script.start, len);
adam@1729 3525 memcpy(start + 6 + lenH + 31 + len, "</script></head>", 16);
adam@1729 3526 } else {
adam@1729 3527 size_t lenH = strlen(ctx->script_header);
adam@1729 3528 size_t lenP = lenH + 13;
adam@1729 3529 char *start = s, *oldPage = ctx->page.start;
adam@1729 3530
adam@1729 3531 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3532 start += ctx->page.start - oldPage;
adam@1729 3533 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3534 ctx->page.front += lenP;
adam@1729 3535 memcpy(start, "<head>", 6);
adam@1729 3536 memcpy(start + 6, ctx->script_header, lenH);
adam@1729 3537 memcpy(start + 6 + lenH, "</head>", 7);
adam@1729 3538 }
adamc@916 3539 }
adamc@916 3540 }
adam@1877 3541
adam@1877 3542 if (ctx->needsResig) {
adam@1877 3543 sig = find_sig(ctx->page.start);
adam@1877 3544 if (sig) {
adam@1877 3545 char *realsig = ctx->app->cookie_sig(ctx);
adam@1877 3546
adam@1877 3547 do {
adam@1877 3548 memcpy(sig, realsig, 2*uw_hash_blocksize);
adam@1877 3549 sig = find_sig(sig);
adam@1877 3550 } while (sig);
adam@1877 3551 }
adam@1877 3552 }
adam@1938 3553
adam@1938 3554 return 0;
adamc@671 3555 }
adamc@671 3556
adamc@683 3557
adamc@1113 3558 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113 3559
adam@2001 3560 int uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327 3561 uw_callback_with_retry free) {
adamc@771 3562 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113 3563 if (ctx->used_transactionals+1 > uw_transactionals_max)
adam@2001 3564 // Exceeded limit on number of transactionals.
adam@2001 3565 return -1;
adamc@1084 3566 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771 3567 ++ctx->n_transactionals;
adamc@771 3568 }
adamc@771 3569
adamc@771 3570 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 3571 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 3572 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 3573 ctx->transactionals[ctx->used_transactionals++].free = free;
adam@2001 3574
adam@2001 3575 return 0;
adamc@771 3576 }
adamc@771 3577
adamc@683 3578
adamc@683 3579 // "Garbage collection"
adamc@683 3580
adamc@1121 3581 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121 3582 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121 3583
adamc@1121 3584 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683 3585 int r = setjmp(ctx->jmp_buf);
adamc@683 3586
adamc@1121 3587 if (r == 0)
adamc@1121 3588 uw_do_expunge(ctx, cli, data);
adamc@1121 3589 else
adamc@1121 3590 ctx->app->db_rollback(ctx);
adamc@1121 3591
adamc@1121 3592 uw_post_expunge(ctx, data);
adamc@683 3593
adamc@683 3594 return r;
adamc@683 3595 }
adamc@683 3596
adamc@683 3597 void uw_prune_clients(uw_context ctx) {
adamc@683 3598 client *c, *next, *prev = NULL;
adamc@683 3599 time_t cutoff;
adamc@683 3600
adamc@1094 3601 cutoff = time(NULL) - ctx->app->timeout;
adamc@683 3602
adamc@683 3603 pthread_mutex_lock(&clients_mutex);
adam@1707 3604 pruning_thread = pthread_self();
adam@1707 3605 pruning_thread_initialized = 1;
adamc@683 3606
adamc@683 3607 for (c = clients_used; c; c = next) {
adamc@683 3608 next = c->next;
adamc@683 3609 pthread_mutex_lock(&c->lock);
adamc@685 3610 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 3611 failure_kind fk = UNLIMITED_RETRY;
adamc@683 3612 if (prev)
adamc@683 3613 prev->next = next;
adamc@683 3614 else
adamc@683 3615 clients_used = next;
adamc@683 3616 while (fk == UNLIMITED_RETRY) {
adam@1941 3617 uw_reset(ctx);
adamc@1121 3618 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121 3619 if (fk == UNLIMITED_RETRY)
adamc@684 3620 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 3621 }
adamc@684 3622 if (fk == SUCCESS)
adamc@684 3623 free_client(c);
adamc@1121 3624 else
adamc@856 3625 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683 3626 }
adamc@683 3627 else
adamc@683 3628 prev = c;
adamc@683 3629 pthread_mutex_unlock(&c->lock);
adamc@683 3630 }
adamc@683 3631
adamc@683 3632 pthread_mutex_unlock(&clients_mutex);
adamc@683 3633 }
adamc@687 3634
adamc@687 3635 failure_kind uw_initialize(uw_context ctx) {
adamc@687 3636 int r = setjmp(ctx->jmp_buf);
adamc@687 3637
adamc@687 3638 if (r == 0) {
adam@1936 3639 uw_ensure_transaction(ctx);
adamc@1094 3640 ctx->app->initializer(ctx);
adamc@1094 3641 if (ctx->app->db_commit(ctx))
adamc@687 3642 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 3643 }
adamc@687 3644
adamc@687 3645 return r;
adamc@687 3646 }
adamc@717 3647
adamc@1065 3648 static int url_bad(uw_Basis_string s) {
adamc@1065 3649 for (; *s; ++s)
adamc@1153 3650 if (!isgraph((int)*s))
adamc@1065 3651 return 1;
adamc@1065 3652
adamc@1065 3653 return 0;
adamc@1065 3654 }
adamc@1065 3655
adamc@717 3656 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065 3657 if (url_bad(s))
adamc@1065 3658 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094 3659 if (ctx->app->check_url(s))
adamc@770 3660 return s;
adamc@770 3661 else
adamc@770 3662 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 3663 }
adamc@734 3664
adamc@770 3665 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065 3666 if (url_bad(s))
adamc@1065 3667 return NULL;
adamc@1094 3668 if (ctx->app->check_url(s))
adamc@770 3669 return s;
adamc@770 3670 else
adamc@770 3671 return NULL;
adamc@770 3672 }
adamc@770 3673
adam@1465 3674 static int mime_format(const char *s) {
adamc@770 3675 for (; *s; ++s)
grrwlf@2024 3676 if (!isalnum((int)*s) && *s != '/' && *s != '-' && *s != '.' && *s != '+')
adamc@770 3677 return 0;
adamc@770 3678
adamc@770 3679 return 1;
adamc@770 3680 }
adamc@770 3681
adamc@741 3682 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3683 if (!mime_format(s))
adamc@770 3684 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 3685
adamc@1094 3686 if (ctx->app->check_mime(s))
adamc@770 3687 return s;
adamc@770 3688 else
adamc@770 3689 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 3690 }
adamc@770 3691
adamc@770 3692 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3693 if (!mime_format(s))
adamc@770 3694 return NULL;
adamc@770 3695
adamc@1094 3696 if (ctx->app->check_mime(s))
adamc@770 3697 return s;
adamc@770 3698 else
adamc@770 3699 return NULL;
adamc@741 3700 }
adamc@741 3701
adam@1465 3702 uw_Basis_string uw_Basis_blessRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3703 if (!mime_format(s))
adam@1465 3704 uw_error(ctx, FATAL, "Request header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3705
adam@1465 3706 if (ctx->app->check_requestHeader(s))
adam@1465 3707 return s;
adam@1465 3708 else
adam@1465 3709 uw_error(ctx, FATAL, "Disallowed request header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3710 }
adam@1465 3711
adam@1465 3712 uw_Basis_string uw_Basis_checkRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3713 if (!mime_format(s))
adam@1465 3714 return NULL;
adam@1465 3715
adam@1465 3716 if (ctx->app->check_requestHeader(s))
adam@1465 3717 return s;
adam@1465 3718 else
adam@1465 3719 return NULL;
adam@1465 3720 }
adam@1465 3721
adam@1465 3722 uw_Basis_string uw_Basis_blessResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3723 if (!mime_format(s))
adam@1465 3724 uw_error(ctx, FATAL, "Response header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3725
adam@1465 3726 if (ctx->app->check_responseHeader(s))
adam@1465 3727 return s;
adam@1465 3728 else
adam@1465 3729 uw_error(ctx, FATAL, "Disallowed response header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3730 }
adam@1465 3731
adam@1799 3732 static int envVar_format(const char *s) {
adam@1799 3733 for (; *s; ++s)
adam@1799 3734 if (!isalnum((int)*s) && *s != '_' && *s != '.')
adam@1799 3735 return 0;
adam@1799 3736
adam@1799 3737 return 1;
adam@1799 3738 }
adam@1799 3739
adam@1465 3740 uw_Basis_string uw_Basis_checkResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1799 3741 if (!envVar_format(s))
adam@1465 3742 return NULL;
adam@1465 3743
adam@1465 3744 if (ctx->app->check_responseHeader(s))
adam@1465 3745 return s;
adam@1465 3746 else
adam@1465 3747 return NULL;
adam@1465 3748 }
adam@1465 3749
adam@1799 3750 uw_Basis_string uw_Basis_blessEnvVar(uw_context ctx, uw_Basis_string s) {
adam@1799 3751 if (!envVar_format(s))
adam@1799 3752 uw_error(ctx, FATAL, "Environment variable \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1799 3753
adam@1799 3754 if (ctx->app->check_envVar(s))
adam@1799 3755 return s;
adam@1799 3756 else
adam@1799 3757 uw_error(ctx, FATAL, "Disallowed environment variable %s", uw_Basis_htmlifyString(ctx, s));
adam@1799 3758 }
adam@1799 3759
adam@1799 3760 uw_Basis_string uw_Basis_checkEnvVar(uw_context ctx, uw_Basis_string s) {
adam@1799 3761 if (!mime_format(s))
adam@1799 3762 return NULL;
adam@1799 3763
adam@1799 3764 if (ctx->app->check_envVar(s))
adam@1799 3765 return s;
adam@1799 3766 else
adam@1799 3767 return NULL;
adam@1799 3768 }
adam@1799 3769
adam@1465 3770 uw_Basis_string uw_Basis_getHeader(uw_context ctx, uw_Basis_string name) {
adam@1465 3771 return uw_Basis_requestHeader(ctx, name);
adam@1465 3772 }
adam@1465 3773
adam@1465 3774 static int mime_value_format(const char *s) {
adam@1465 3775 for (; *s; ++s)
adam@1465 3776 if (*s == '\r' || *s == '\n')
adam@1465 3777 return 0;
adam@1465 3778
adam@1465 3779 return 1;
adam@1465 3780 }
adam@1465 3781
adam@1465 3782 uw_unit uw_Basis_setHeader(uw_context ctx, uw_Basis_string name, uw_Basis_string value) {
adam@1465 3783 if (!mime_value_format(value))
adam@1465 3784 uw_error(ctx, FATAL, "Invalid value for HTTP response header");
adam@1465 3785
adam@1465 3786 uw_write_header(ctx, name);
adam@1465 3787 uw_write_header(ctx, ": ");
adam@1465 3788 uw_write_header(ctx, value);
adam@1465 3789 uw_write_header(ctx, "\r\n");
adam@1465 3790
adam@1465 3791 return uw_unit_v;
adam@1465 3792 }
adam@1465 3793
adam@1799 3794 uw_Basis_string uw_Basis_getenv(uw_context ctx, uw_Basis_string name) {
adam@1993 3795 if (ctx->get_env)
adam@1993 3796 return ctx->get_env(ctx->get_env_data, name);
adam@1993 3797 else
adam@1994 3798 return getenv(name);
adam@1799 3799 }
adam@1799 3800
adamc@734 3801 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 3802 return s ? s : "";
adamc@734 3803 }
adamc@734 3804
adamc@734 3805 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 3806 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 3807 int i;
phurst@1981 3808
adamc@734 3809 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 3810 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 3811
adamc@734 3812 return r;
adamc@734 3813 }
adamc@734 3814
adam@1512 3815 /* This bit of crafty code is intended to prevent GCC from performing
adam@1512 3816 * optimizations that would enable timing attacks. See:
adam@1512 3817 * http://www.impredicative.com/pipermail/ur/2011-July/000659.html
adam@1512 3818 */
adam@1512 3819 int uw_streq(uw_Basis_string s1, uw_Basis_string s2) {
adam@1512 3820 int i, x = 0, len1 = strlen(s1);
adam@1512 3821
adam@1512 3822 if (len1 != strlen(s2)) return 0;
adam@1512 3823
adam@1512 3824 for (i = 0; i < len1; ++i) {
adam@1512 3825 __asm__ __volatile__ ("");
adam@1512 3826 x |= s1[i] ^ s2[i];
adam@1512 3827 }
adam@1512 3828
adam@1512 3829 return x == 0;
adam@1512 3830 }
adam@1512 3831
adamc@734 3832 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adam@1877 3833 ctx->usedSig = 1;
adamc@1094 3834 return ctx->app->cookie_sig(ctx);
adamc@734 3835 }
adamc@737 3836
adamc@737 3837 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 3838 return f.name;
adamc@737 3839 }
adamc@737 3840
adamc@740 3841 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 3842 return f.type;
adamc@740 3843 }
adamc@740 3844
adamc@745 3845 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 3846 return b.size;
adamc@745 3847 }
adamc@745 3848
adamc@1119 3849 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119 3850 uw_Basis_blob b = {strlen(s), s};
adamc@1119 3851
adamc@1119 3852 return b;
adamc@1119 3853 }
adamc@1119 3854
adamc@737 3855 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 3856 return f.data;
adamc@737 3857 }
adamc@741 3858
adam@1347 3859 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3860 return pb.type;
adam@1347 3861 }
adam@1347 3862
adam@1347 3863 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3864 return pb.data;
adam@1347 3865 }
adam@1347 3866
adam@1471 3867 static char *old_headers(uw_context ctx) {
adam@1471 3868 if (uw_buffer_used(&ctx->outHeaders) == 0)
adam@1471 3869 return NULL;
adam@1471 3870 else {
adam@1471 3871 char *s = strchr(ctx->outHeaders.start, '\n');
adam@1471 3872
adam@1471 3873 if (s == NULL || strncasecmp(s+1, "Content-type: ", 14))
adam@1471 3874 return NULL;
adam@1471 3875 else {
adam@1471 3876 s = strchr(s+15, '\n');
adam@1471 3877 if (s == NULL)
adam@1471 3878 return NULL;
adam@1471 3879 else
adam@1471 3880 return uw_strdup(ctx, s+1);
adam@1471 3881 }
adam@1471 3882 }
adam@1471 3883 }
adam@1471 3884
adamc@741 3885 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 3886 cleanup *cl;
adamc@741 3887 int len;
adam@1471 3888 char *oldh;
adamc@741 3889
adam@1451 3890 if (!ctx->allowed_to_return_indirectly)
adam@1451 3891 uw_error(ctx, FATAL, "Tried to return a blob from an RPC");
adam@1451 3892
adamc@1065 3893 ctx->returning_indirectly = 1;
adam@1471 3894 oldh = old_headers(ctx);
adam@1369 3895 uw_buffer_reset(&ctx->outHeaders);
adam@1369 3896 uw_buffer_reset(&ctx->page);
adamc@741 3897
adamc@856 3898 uw_write_header(ctx, on_success);
adamc@856 3899 uw_write_header(ctx, "Content-Type: ");
adamc@741 3900 uw_write_header(ctx, mimeType);
adam@1934 3901 uw_write_header(ctx, "\r\nContent-length: ");
adam@1369 3902 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134 3903 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741 3904 ctx->outHeaders.front += len;
adamc@1066 3905 uw_write_header(ctx, "\r\n");
adam@1471 3906 if (oldh) uw_write_header(ctx, oldh);
adamc@741 3907
adam@1369 3908 ctx_uw_buffer_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741 3909
adamc@741 3910 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 3911 cl->func(cl->arg);
adamc@741 3912
adamc@741 3913 ctx->cleanup_front = ctx->cleanup;
adamc@741 3914
adamc@1065 3915 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065 3916 }
adamc@1065 3917
adam@2046 3918 void uw_replace_page(uw_context ctx, const char *data, size_t size) {
adam@2046 3919 uw_buffer_reset(&ctx->page);
adam@2046 3920 ctx_uw_buffer_append(ctx, "page", &ctx->page, data, size);
adam@2046 3921 }
adam@2046 3922
adam@1932 3923 __attribute__((noreturn)) void uw_return_blob_from_page(uw_context ctx, uw_Basis_string mimeType) {
adam@1932 3924 cleanup *cl;
adam@1932 3925 int len;
adam@1932 3926 char *oldh;
adam@1932 3927
adam@1932 3928 if (!ctx->allowed_to_return_indirectly)
adam@1932 3929 uw_error(ctx, FATAL, "Tried to return a blob from an RPC");
adam@1932 3930
adam@1932 3931 ctx->returning_indirectly = 1;
adam@1932 3932 oldh = old_headers(ctx);
adam@1932 3933 uw_buffer_reset(&ctx->outHeaders);
adam@1932 3934
adam@1932 3935 uw_write_header(ctx, on_success);
adam@1932 3936 uw_write_header(ctx, "Content-Type: ");
adam@1932 3937 uw_write_header(ctx, mimeType);
adam@1934 3938 uw_write_header(ctx, "\r\nContent-length: ");
adam@1932 3939 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adam@1932 3940 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)uw_buffer_used(&ctx->page), &len);
adam@1932 3941 ctx->outHeaders.front += len;
adam@1932 3942 uw_write_header(ctx, "\r\n");
adam@1932 3943 if (oldh) uw_write_header(ctx, oldh);
adam@1932 3944
adam@1932 3945 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adam@1932 3946 cl->func(cl->arg);
adam@1932 3947
adam@1932 3948 ctx->cleanup_front = ctx->cleanup;
adam@1932 3949
adam@1932 3950 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adam@1932 3951 }
adam@1932 3952
adamc@1065 3953 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065 3954 cleanup *cl;
adamc@1066 3955 char *s;
adam@1471 3956 char *oldh;
adamc@1065 3957
adam@1451 3958 if (!ctx->allowed_to_return_indirectly)
adam@1451 3959 uw_error(ctx, FATAL, "Tried to redirect from an RPC");
adam@1451 3960
adamc@1065 3961 ctx->returning_indirectly = 1;
adam@1471 3962 oldh = old_headers(ctx);
adam@1369 3963 uw_buffer_reset(&ctx->page);
adam@1369 3964 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->outHeaders)+1);
adam@1369 3965 memcpy(ctx->page.start, ctx->outHeaders.start, uw_buffer_used(&ctx->outHeaders));
adam@1369 3966 ctx->page.start[uw_buffer_used(&ctx->outHeaders)] = 0;
adam@1369 3967 uw_buffer_reset(&ctx->outHeaders);
adamc@1065 3968
adam@1409 3969 if (on_success[0])
adam@1409 3970 uw_write_header(ctx, on_redirect);
adam@1409 3971 else
adam@1409 3972 uw_write_header(ctx, "Status: 303 See Other\r\n");
adam@1409 3973 s = on_success[0] ? strchr(ctx->page.start, '\n') : ctx->page.start;
adamc@1066 3974 if (s) {
adamc@1066 3975 char *s2;
adam@1409 3976 if (s[0] == '\n') ++s;
adam@1409 3977 for (; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066 3978 *s2 = 0;
adamc@1066 3979 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066 3980 uw_write_header(ctx, s);
adamc@1066 3981 uw_write_header(ctx, "\n");
adamc@1066 3982 }
adamc@1066 3983 }
adamc@1066 3984 }
adamc@1066 3985
adamc@1065 3986 uw_write_header(ctx, "Location: ");
adamc@1065 3987 uw_write_header(ctx, url);
adamc@1065 3988 uw_write_header(ctx, "\r\n\r\n");
adam@1471 3989 if (oldh) uw_write_header(ctx, oldh);
adamc@1065 3990
adamc@1065 3991 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065 3992 cl->func(cl->arg);
adamc@1065 3993
adamc@1065 3994 ctx->cleanup_front = ctx->cleanup;
adamc@1065 3995
adamc@1065 3996 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741 3997 }
adamc@874 3998
adamc@874 3999 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adam@1467 4000 uw_Basis_string ret = uw_malloc(ctx, strlen(s) + 1), r = ret;
adamc@874 4001
adamc@874 4002 for (; *s; ++s) {
adamc@874 4003 if (s[0] == '\'') {
adamc@874 4004 *r++ = '\'';
adamc@874 4005 for (++s; *s; ++s) {
adamc@874 4006 if (s[0] == '\'') {
adamc@874 4007 *r++ = '\'';
adamc@874 4008 break;
adamc@874 4009 } else if (s[0] == '\\') {
adam@1467 4010 *r++ = '\\';
adam@1467 4011 *r++ = s[1];
adam@1467 4012 ++s;
adamc@874 4013 } else
adamc@874 4014 *r++ = s[0];
adamc@874 4015 }
adamc@874 4016 if (*s == 0) break;
adam@1467 4017 } else if (s[0] == 'T' && s[1] == '_' && s[2] == 'T' && s[3] == '.')
adam@1467 4018 s += 3;
adamc@874 4019 else
adamc@874 4020 *r++ = s[0];
adamc@874 4021 }
adamc@874 4022
adam@1467 4023 *r = 0;
adam@1467 4024 return ret;
adamc@874 4025 }
adamc@874 4026
adamc@922 4027 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922 4028 va_list ap;
adamc@922 4029 size_t len = 1;
adamc@922 4030 char *s, *r, *s2;
phurst@1981 4031
adamc@922 4032 va_start(ap, ctx);
adamc@922 4033 for (s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 4034 len += strlen(s);
adamc@922 4035 va_end(ap);
adamc@922 4036
adamc@922 4037 r = uw_malloc(ctx, len);
adamc@922 4038 va_start(ap, ctx);
adamc@922 4039 for (s2 = r, s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 4040 while (*s)
adamc@922 4041 *s2++ = *s++;
adamc@922 4042 va_end(ap);
adamc@922 4043 *s2 = 0;
adamc@922 4044
adamc@922 4045 return r;
adamc@922 4046 }
adamc@1006 4047
adam@1365 4048 const uw_Basis_time uw_Basis_minTime = {};
adamc@1050 4049
adamc@1006 4050 uw_Basis_time uw_Basis_now(uw_context ctx) {
adam@1365 4051 uw_Basis_time r = { time(NULL) };
adam@1365 4052 return r;
adamc@1006 4053 }
adamc@1061 4054
adam@1369 4055 uw_Basis_time uw_Basis_addSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adam@1369 4056 tm.seconds += n;
adam@1365 4057 return tm;
adamc@1138 4058 }
adamc@1138 4059
adam@1514 4060 uw_Basis_int uw_Basis_diffInSeconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1514 4061 return difftime(tm2.seconds, tm1.seconds);
adam@1514 4062 }
adam@1514 4063
adam@1685 4064 uw_Basis_int uw_Basis_toMilliseconds(uw_context ctx, uw_Basis_time tm) {
adam@1685 4065 return tm.seconds * 1000 + tm.microseconds / 1000;
adam@1685 4066 }
adam@1685 4067
adam@1685 4068 uw_Basis_int uw_Basis_diffInMilliseconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1685 4069 return uw_Basis_toMilliseconds(ctx, tm2) - uw_Basis_toMilliseconds(ctx, tm1);
adam@1685 4070 }
adam@1685 4071
adam@1514 4072 uw_Basis_int uw_Basis_toSeconds(uw_context ctx, uw_Basis_time tm) {
adam@1514 4073 return tm.seconds;
adam@1514 4074 }
adam@1514 4075
phurst@1971 4076 uw_Basis_time uw_Basis_fromDatetime(uw_context ctx, uw_Basis_int year, uw_Basis_int month, uw_Basis_int day, uw_Basis_int hour, uw_Basis_int minute, uw_Basis_int second) {
phurst@1971 4077 struct tm tm = { .tm_year = year - 1900, .tm_mon = month, .tm_mday = day,
adam@2015 4078 .tm_hour = hour, .tm_min = minute, .tm_sec = second,
adam@2015 4079 .tm_isdst = -1 };
phurst@1984 4080 uw_Basis_time r = { timelocal(&tm) };
phurst@1971 4081 return r;
phurst@1971 4082 }
phurst@1971 4083
phurst@1971 4084 uw_Basis_int uw_Basis_datetimeYear(uw_context ctx, uw_Basis_time time) {
phurst@1971 4085 struct tm tm;
phurst@1982 4086 localtime_r(&time.seconds, &tm);
phurst@1971 4087 return tm.tm_year + 1900;
phurst@1971 4088 }
phurst@1971 4089
phurst@1971 4090 uw_Basis_int uw_Basis_datetimeMonth(uw_context ctx, uw_Basis_time time) {
phurst@1971 4091 struct tm tm;
phurst@1982 4092 localtime_r(&time.seconds, &tm);
phurst@1971 4093 return tm.tm_mon;
phurst@1971 4094 }
phurst@1971 4095
phurst@1971 4096 uw_Basis_int uw_Basis_datetimeDay(uw_context ctx, uw_Basis_time time) {
phurst@1971 4097 struct tm tm;
phurst@1982 4098 localtime_r(&time.seconds, &tm);
phurst@1971 4099 return tm.tm_mday;
phurst@1971 4100 }
phurst@1971 4101
phurst@1971 4102 uw_Basis_int uw_Basis_datetimeHour(uw_context ctx, uw_Basis_time time) {
phurst@1971 4103 struct tm tm;
phurst@1982 4104 localtime_r(&time.seconds, &tm);
phurst@1971 4105 return tm.tm_hour;
phurst@1971 4106 }
phurst@1971 4107
phurst@1971 4108 uw_Basis_int uw_Basis_datetimeMinute(uw_context ctx, uw_Basis_time time) {
phurst@1971 4109 struct tm tm;
phurst@1982 4110 localtime_r(&time.seconds, &tm);
phurst@1971 4111 return tm.tm_min;
phurst@1971 4112 }
phurst@1971 4113
phurst@1971 4114 uw_Basis_int uw_Basis_datetimeSecond(uw_context ctx, uw_Basis_time time) {
phurst@1971 4115 struct tm tm;
phurst@1982 4116 localtime_r(&time.seconds, &tm);
phurst@1971 4117 return tm.tm_sec;
phurst@1971 4118 }
phurst@1971 4119
phurst@1973 4120 uw_Basis_int uw_Basis_datetimeDayOfWeek(uw_context ctx, uw_Basis_time time) {
phurst@1973 4121 struct tm tm;
phurst@1982 4122 localtime_r(&time.seconds, &tm);
phurst@1973 4123 return tm.tm_wday;
phurst@1973 4124 }
phurst@1971 4125
phurst@1971 4126
adamc@1061 4127 void *uw_get_global(uw_context ctx, char *name) {
adamc@1061 4128 int i;
adamc@1061 4129
adamc@1061 4130 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 4131 if (!strcmp(name, ctx->globals[i].name))
adamc@1061 4132 return ctx->globals[i].data;
adamc@1061 4133
adamc@1061 4134 return NULL;
adamc@1061 4135 }
adamc@1061 4136
adamc@1113 4137 size_t uw_globals_max = SIZE_MAX;
adamc@1113 4138
adamc@1061 4139 void uw_set_global(uw_context ctx, char *name, void *data, void (*free)(void*)) {
adamc@1061 4140 int i;
adamc@1061 4141
adamc@1061 4142 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 4143 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089 4144 if (ctx->globals[i].free)
adamc@1061 4145 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061 4146 ctx->globals[i].data = data;
adamc@1061 4147 ctx->globals[i].free = free;
adamc@1061 4148 return;
adamc@1061 4149 }
adamc@1089 4150
adamc@1113 4151 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113 4152 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113 4153
adamc@1061 4154 ++ctx->n_globals;
adamc@1061 4155 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061 4156 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061 4157 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061 4158 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061 4159 }
adamc@1061 4160
adamc@1061 4161 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153 4162 return !!isalnum((int)c);
adamc@1061 4163 }
adamc@1061 4164
adamc@1061 4165 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153 4166 return !!isalpha((int)c);
adamc@1061 4167 }
adamc@1061 4168
adamc@1061 4169 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153 4170 return !!isblank((int)c);
adamc@1061 4171 }
adamc@1061 4172
adamc@1061 4173 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153 4174 return !!iscntrl((int)c);
adamc@1061 4175 }
adamc@1061 4176
adamc@1061 4177 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 4178 return !!isdigit((int)c);
adamc@1061 4179 }
adamc@1061 4180
adamc@1061 4181 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153 4182 return !!isgraph((int)c);
adamc@1061 4183 }
adamc@1061 4184
adamc@1061 4185 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153 4186 return !!islower((int)c);
adamc@1061 4187 }
adamc@1061 4188
adamc@1061 4189 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153 4190 return !!isprint((int)c);
adamc@1061 4191 }
adamc@1061 4192
adamc@1061 4193 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153 4194 return !!ispunct((int)c);
adamc@1061 4195 }
adamc@1061 4196
adamc@1061 4197 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153 4198 return !!isspace((int)c);
adamc@1061 4199 }
adamc@1063 4200
adamc@1061 4201 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 4202 return !!isupper((int)c);
adamc@1061 4203 }
adamc@1061 4204
adamc@1061 4205 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 4206 return !!isxdigit((int)c);
adamc@1061 4207 }
adamc@1061 4208
adamc@1061 4209 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153 4210 return tolower((int)c);
adamc@1061 4211 }
adamc@1061 4212
adamc@1061 4213 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 4214 return toupper((int)c);
adamc@1061 4215 }
adamc@1066 4216
adamc@1128 4217 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128 4218 return (unsigned char)c;
adamc@1128 4219 }
adamc@1128 4220
adamc@1128 4221 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128 4222 return n;
adamc@1128 4223 }
adamc@1128 4224
adamc@1066 4225 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066 4226 return ctx->current_url;
adamc@1066 4227 }
adamc@1066 4228
adamc@1066 4229 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066 4230 ctx->current_url = s;
adamc@1066 4231 }
adamc@1114 4232
adamc@1114 4233 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114 4234 ctx->deadline = n;
adamc@1114 4235 }
adamc@1114 4236
adamc@1114 4237 void uw_check_deadline(uw_context ctx) {
adamc@1114 4238 if (uw_time > ctx->deadline)
adamc@1114 4239 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114 4240 }
adamc@1115 4241
adamc@1115 4242 size_t uw_database_max = SIZE_MAX;
adamc@1120 4243
adam@1389 4244 uw_Basis_int uw_Basis_naughtyDebug(uw_context ctx, uw_Basis_string s) {
adam@2143 4245 if (ctx->loggers->log_debug)
adam@2143 4246 ctx->loggers->log_debug(ctx->loggers->logger_data, "%s\n", s);
adam@2143 4247 else
adam@2143 4248 fprintf(stderr, "%s\n", s);
adam@1389 4249 return 0;
adam@1389 4250 }
adam@1389 4251
adamc@1120 4252 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
grrwlf@1997 4253 if (ctx->loggers->log_debug)
grrwlf@1997 4254 ctx->loggers->log_debug(ctx->loggers->logger_data, "%s\n", s);
adam@1334 4255 else
adam@1334 4256 fprintf(stderr, "%s\n", s);
adamc@1120 4257 return uw_unit_v;
adamc@1120 4258 }
adamc@1250 4259
adamc@1250 4260 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adam@2104 4261 int r = my_rand();
adam@2104 4262
adam@2104 4263 if (r >= 0)
adam@2104 4264 return r;
adam@1486 4265 else
adam@1486 4266 uw_error(ctx, FATAL, "Random number generation failed");
adamc@1250 4267 }
adam@1347 4268
adam@1347 4269 void uw_noPostBody(uw_context ctx) {
adam@1347 4270 ctx->hasPostBody = 0;
adam@1347 4271 }
adam@1347 4272
adam@1347 4273 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 4274 ctx->hasPostBody = 1;
adam@1347 4275 ctx->postBody = pb;
adam@1347 4276 }
adam@1347 4277
adam@1347 4278 int uw_hasPostBody(uw_context ctx) {
adam@1347 4279 return ctx->hasPostBody;
adam@1347 4280 }
adam@1347 4281
adam@1386 4282 void uw_isPost(uw_context ctx) {
adam@1386 4283 ctx->isPost = 1;
adam@1386 4284 }
adam@1386 4285
adam@1386 4286 uw_Basis_bool uw_Basis_currentUrlHasPost(uw_context ctx) {
adam@1386 4287 return ctx->isPost;
adam@1386 4288 }
adam@1386 4289
adam@1485 4290 uw_Basis_bool uw_Basis_currentUrlHasQueryString(uw_context ctx) {
adam@1485 4291 return ctx->queryString != NULL && ctx->queryString[0] != 0;
adam@1485 4292 }
adam@1485 4293
adam@1370 4294 void uw_setQueryString(uw_context ctx, uw_Basis_string s) {
adam@1370 4295 ctx->queryString = s;
adam@1370 4296 }
adam@1370 4297
adam@1370 4298 uw_Basis_string uw_queryString(uw_context ctx) {
adam@1370 4299 return ctx->queryString;
adam@1370 4300 }
adam@1370 4301
adam@1347 4302 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347 4303 if (ctx->hasPostBody)
adam@1347 4304 return ctx->postBody;
adam@1347 4305 else
adam@1347 4306 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347 4307 }
adam@1349 4308
adam@1349 4309 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349 4310 int r = setjmp(ctx->jmp_buf);
adam@1349 4311
adam@1349 4312 if (r == 0) {
adam@1936 4313 uw_ensure_transaction(ctx);
adam@1418 4314
adam@1349 4315 callback(ctx);
adam@1349 4316 }
adam@1349 4317
adam@1349 4318 return r;
adam@1349 4319 }
adam@1360 4320
adam@1360 4321 uw_Basis_string uw_Basis_crypt(uw_context ctx, uw_Basis_string key, uw_Basis_string salt) {
adam@1397 4322 char buf[14];
adam@1397 4323 return uw_strdup(ctx, DES_fcrypt(key, salt, buf));
adam@1360 4324 }
adam@1365 4325
adam@1365 4326 uw_Basis_bool uw_Basis_eq_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 4327 return !!(t1.seconds == t2.seconds && t1.microseconds == t2.microseconds);
adam@1365 4328 }
adam@1365 4329
adam@1365 4330 uw_Basis_bool uw_Basis_lt_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@2034 4331 return !!(t1.seconds < t2.seconds || (t1.seconds == t2.seconds && t1.microseconds < t2.microseconds));
adam@1365 4332 }
adam@1365 4333
adam@1365 4334 uw_Basis_bool uw_Basis_le_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 4335 return !!(uw_Basis_eq_time(ctx, t1, t2) || uw_Basis_lt_time(ctx, t1, t2));
adam@1365 4336 }
adam@1365 4337
adam@1372 4338 uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374 4339 struct tm stm = {};
adam@1375 4340 char *end = strchr(s, 0);
adam@1449 4341 stm.tm_isdst = -1;
adam@1375 4342
adam@1632 4343 if (strptime(s, TIME_FMT_PG, &stm) == end || strptime(s, TIME_FMT, &stm) == end || strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1373 4344 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1375 4345
kkallio@1448 4346 r->seconds = timegm(&stm);
adam@1373 4347 r->microseconds = 0;
adam@1373 4348
adam@1373 4349 return r;
adam@1374 4350 }
adam@1374 4351 else
adam@1373 4352 return NULL;
adam@1372 4353 }
adam@1407 4354
adam@1407 4355 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1407 4356 int r = setjmp(ctx->jmp_buf);
adam@1407 4357
adam@1407 4358 if (ctx->app->on_error) {
adam@1407 4359 if (r == 0) {
adam@1936 4360 uw_ensure_transaction(ctx);
adam@1407 4361
adam@1409 4362 uw_buffer_reset(&ctx->outHeaders);
adam@1409 4363 if (on_success[0])
adam@1409 4364 uw_write_header(ctx, "HTTP/1.1 ");
adam@1409 4365 else
adam@1409 4366 uw_write_header(ctx, "Status: ");
adam@1409 4367 uw_write_header(ctx, "500 Internal Server Error\r\n");
adam@1919 4368 uw_write_header(ctx, "Content-type: text/html\r\n");
adam@1956 4369 uw_write(ctx, ctx->app->is_html5 ? uw_begin_html5 : uw_begin_xhtml);
adam@1407 4370 ctx->app->on_error(ctx, msg);
adam@1407 4371 uw_write(ctx, "</html>");
adam@1407 4372 }
adam@1407 4373
adam@1407 4374 return r;
adam@1407 4375 } else
adam@1407 4376 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1407 4377 }
adam@1451 4378
adam@1451 4379 void uw_mayReturnIndirectly(uw_context ctx) {
adam@1451 4380 ctx->allowed_to_return_indirectly = 1;
adam@1451 4381 }
adam@1483 4382
adam@1556 4383 uw_Basis_string uw_Basis_fresh(uw_context ctx) {
adam@1703 4384 int len;
adam@1703 4385 char *r;
adam@1703 4386
adam@1703 4387 uw_check_heap(ctx, 2+INTS_MAX);
adam@1703 4388 r = ctx->heap.front;
adam@1703 4389 sprintf(r, "uw%u%n", ctx->nextId++, &len);
adam@1703 4390 ctx->heap.front += len+1;
adam@1703 4391 return r;
adam@1556 4392 }
adam@1571 4393
adam@1571 4394 uw_Basis_float uw_Basis_floatFromInt(uw_context ctx, uw_Basis_int n) {
adam@1571 4395 return n;
adam@1571 4396 }
adam@1571 4397
adam@1571 4398 uw_Basis_int uw_Basis_ceil(uw_context ctx, uw_Basis_float n) {
adam@1571 4399 return ceil(n);
adam@1571 4400 }
adam@1571 4401
adam@1571 4402 uw_Basis_int uw_Basis_trunc(uw_context ctx, uw_Basis_float n) {
adam@1571 4403 return trunc(n);
adam@1571 4404 }
adam@1571 4405
adam@1571 4406 uw_Basis_int uw_Basis_round(uw_context ctx, uw_Basis_float n) {
adam@1571 4407 return round(n);
adam@1571 4408 }
adam@1755 4409
adam@1755 4410 uw_Basis_string uw_Basis_atom(uw_context ctx, uw_Basis_string s) {
adam@1755 4411 char *p;
adam@1755 4412
adam@1755 4413 for (p = s; *p; ++p) {
adam@1755 4414 char c = *p;
adam@1801 4415 if (!isalnum((int)c) && c != '+' && c != '-' && c != '.' && c != '%' && c != '#')
adam@1755 4416 uw_error(ctx, FATAL, "Disallowed character in CSS atom");
adam@1755 4417 }
adam@1755 4418
adam@1755 4419 return s;
adam@1755 4420 }
adam@1755 4421
adam@1755 4422 uw_Basis_string uw_Basis_css_url(uw_context ctx, uw_Basis_string s) {
adam@1755 4423 char *p;
adam@1755 4424
adam@1755 4425 for (p = s; *p; ++p) {
adam@1755 4426 char c = *p;
adam@1801 4427 if (!isalnum((int)c) && c != ':' && c != '/' && c != '.' && c != '_' && c != '+'
adam@1755 4428 && c != '-' && c != '%' && c != '?' && c != '&' && c != '=' && c != '#')
adam@1755 4429 uw_error(ctx, FATAL, "Disallowed character in CSS URL");
adam@1755 4430 }
adam@1755 4431
adam@1755 4432 return s;
adam@1755 4433 }
adam@1755 4434
adam@1755 4435 uw_Basis_string uw_Basis_property(uw_context ctx, uw_Basis_string s) {
adam@1755 4436 char *p;
adam@1755 4437
adam@1755 4438 if (!*s)
adam@1755 4439 uw_error(ctx, FATAL, "Empty CSS property");
adam@1755 4440
adam@1801 4441 if (!islower((int)s[0]) && s[0] != '_')
adam@1755 4442 uw_error(ctx, FATAL, "Bad initial character in CSS property");
adam@1755 4443
adam@1755 4444 for (p = s; *p; ++p) {
adam@1755 4445 char c = *p;
adam@1801 4446 if (!islower((int)c) && !isdigit((int)c) && c != '_' && c != '-')
adam@1755 4447 uw_error(ctx, FATAL, "Disallowed character in CSS property");
adam@1755 4448 }
adam@1755 4449
adam@1755 4450 return s;
adam@1755 4451 }
adam@1787 4452
adam@1787 4453 uw_Basis_string uw_Basis_fieldName(uw_context ctx, uw_Basis_postField f) {
adam@1787 4454 return f.name;
adam@1787 4455 }
adam@1787 4456
adam@1787 4457 uw_Basis_string uw_Basis_fieldValue(uw_context ctx, uw_Basis_postField f) {
adam@1787 4458 return f.value;
adam@1787 4459 }
adam@1787 4460
adam@1787 4461 uw_Basis_string uw_Basis_remainingFields(uw_context ctx, uw_Basis_postField f) {
adam@1787 4462 return f.remaining;
adam@1787 4463 }
adam@1787 4464
adam@1787 4465 uw_Basis_postField *uw_Basis_firstFormField(uw_context ctx, uw_Basis_string s) {
adam@1788 4466 char *unurl;
adam@1787 4467 uw_Basis_postField *f;
adam@1787 4468
adam@1788 4469 if (!ctx->hasPostBody)
adam@1788 4470 uw_error(ctx, FATAL, "firstFormField called when there is no POST body");
adam@1788 4471
adam@1788 4472 if (s < ctx->postBody.data || s >= ctx->postBody.data + ctx->postBody.len)
adam@1787 4473 return NULL;
adam@1787 4474
adam@1787 4475 f = uw_malloc(ctx, sizeof(uw_Basis_postField));
adam@1788 4476 unurl = s;
adam@1787 4477 f->name = uw_Basis_unurlifyString(ctx, &unurl);
adam@1788 4478 s = strchr(s, 0);
adam@1788 4479 if (!s)
adam@1788 4480 uw_error(ctx, FATAL, "firstFormField: Missing null terminator");
adam@1788 4481 ++s;
adam@1788 4482 unurl = s;
adam@1788 4483 f->value = uw_Basis_unurlifyString(ctx, &unurl);
adam@1788 4484 s = strchr(s, 0);
adam@1788 4485 if (!s)
adam@1788 4486 uw_error(ctx, FATAL, "firstFormField: Missing null terminator");
adam@1788 4487 f->remaining = s+1;
adam@1787 4488
adam@1787 4489 return f;
adam@1787 4490 }
adam@2008 4491
adam@2008 4492 uw_Basis_string uw_Basis_blessData(uw_context ctx, uw_Basis_string s) {
adam@2008 4493 char *p = s;
adam@2008 4494
adam@2008 4495 for (; *p; ++p)
adam@2008 4496 if (!isalnum(*p) && *p != '-' && *p != '_')
adam@2008 4497 uw_error(ctx, FATAL, "Illegal HTML5 data-* attribute: %s", s);
adam@2008 4498
adam@2008 4499 return s;
adam@2008 4500 }
adam@2073 4501
adam@2073 4502 int uw_remoteSock(uw_context ctx) {
adam@2073 4503 return ctx->remoteSock;
adam@2073 4504 }
adam@2073 4505
adam@2073 4506 void uw_set_remoteSock(uw_context ctx, int sock) {
adam@2073 4507 ctx->remoteSock = sock;
adam@2073 4508 }
ziv@2234 4509
ziv@2234 4510
ziv@2234 4511 // Sqlcache
ziv@2234 4512
ziv@2250 4513 void uw_Sqlcache_listDelete(uw_Sqlcache_CacheList *list, uw_Sqlcache_CacheEntry *entry) {
ziv@2234 4514 if (list->first == entry) {
ziv@2234 4515 list->first = entry->next;
ziv@2234 4516 }
ziv@2234 4517 if (list->last == entry) {
ziv@2234 4518 list->last = entry->prev;
ziv@2234 4519 }
ziv@2234 4520 if (entry->prev) {
ziv@2234 4521 entry->prev->next = entry->next;
ziv@2234 4522 }
ziv@2234 4523 if (entry->next) {
ziv@2234 4524 entry->next->prev = entry->prev;
ziv@2234 4525 }
ziv@2234 4526 entry->prev = NULL;
ziv@2234 4527 entry->next = NULL;
ziv@2234 4528 --(list->size);
ziv@2234 4529 }
ziv@2234 4530
ziv@2250 4531 void uw_Sqlcache_listAdd(uw_Sqlcache_CacheList *list, uw_Sqlcache_CacheEntry *entry) {
ziv@2234 4532 if (list->last) {
ziv@2234 4533 list->last->next = entry;
ziv@2234 4534 entry->prev = list->last;
ziv@2234 4535 list->last = entry;
ziv@2234 4536 } else {
ziv@2234 4537 list->first = entry;
ziv@2234 4538 list->last = entry;
ziv@2234 4539 }
ziv@2234 4540 ++(list->size);
ziv@2234 4541 }
ziv@2234 4542
ziv@2250 4543 void uw_Sqlcache_listBump(uw_Sqlcache_CacheList *list, uw_Sqlcache_CacheEntry *entry) {
ziv@2250 4544 uw_Sqlcache_listDelete(list, entry);
ziv@2250 4545 uw_Sqlcache_listAdd(list, entry);
ziv@2234 4546 }
ziv@2234 4547
ziv@2234 4548 // TODO: deal with time properly.
ziv@2234 4549
ziv@2250 4550 time_t uw_Sqlcache_getTimeNow() {
ziv@2234 4551 return time(NULL);
ziv@2234 4552 }
ziv@2234 4553
ziv@2250 4554 time_t uw_Sqlcache_timeMax(time_t x, time_t y) {
ziv@2234 4555 return difftime(x, y) > 0 ? x : y;
ziv@2234 4556 }
ziv@2234 4557
ziv@2262 4558 void uw_Sqlcache_free(uw_Sqlcache_CacheValue *value) {
ziv@2234 4559 if (value) {
ziv@2234 4560 free(value->result);
ziv@2234 4561 free(value->output);
ziv@2234 4562 free(value);
ziv@2234 4563 }
ziv@2234 4564 }
ziv@2234 4565
ziv@2250 4566 void uw_Sqlcache_delete(uw_Sqlcache_Cache *cache, uw_Sqlcache_CacheEntry* entry) {
ziv@2250 4567 //uw_Sqlcache_listUw_Sqlcache_Delete(cache->lru, entry);
ziv@2234 4568 HASH_DELETE(hh, cache->table, entry);
ziv@2262 4569 uw_Sqlcache_free(entry->value);
ziv@2234 4570 free(entry->key);
ziv@2234 4571 free(entry);
ziv@2234 4572 }
ziv@2234 4573
ziv@2250 4574 uw_Sqlcache_CacheValue *uw_Sqlcache_checkHelper(uw_Sqlcache_Cache *cache, char **keys, int timeInvalid) {
ziv@2234 4575 char *key = keys[cache->height];
ziv@2250 4576 uw_Sqlcache_CacheEntry *entry;
ziv@2234 4577 HASH_FIND(hh, cache->table, key, strlen(key), entry);
ziv@2250 4578 timeInvalid = uw_Sqlcache_timeMax(timeInvalid, cache->timeInvalid);
ziv@2234 4579 if (entry && difftime(entry->timeValid, timeInvalid) > 0) {
ziv@2234 4580 if (cache->height == 0) {
ziv@2234 4581 // At height 0, entry->value is the desired value.
ziv@2250 4582 //uw_Sqlcache_listBump(cache->lru, entry);
ziv@2234 4583 return entry->value;
ziv@2234 4584 } else {
ziv@2234 4585 // At height n+1, entry->value is a pointer to a cache at heignt n.
ziv@2250 4586 return uw_Sqlcache_checkHelper(entry->value, keys, timeInvalid);
ziv@2234 4587 }
ziv@2234 4588 } else {
ziv@2234 4589 return NULL;
ziv@2234 4590 }
ziv@2234 4591 }
ziv@2234 4592
ziv@2250 4593 uw_Sqlcache_CacheValue *uw_Sqlcache_check(uw_Sqlcache_Cache *cache, char **keys) {
ziv@2250 4594 return uw_Sqlcache_checkHelper(cache, keys, 0);
ziv@2250 4595 }
ziv@2250 4596
ziv@2250 4597 void uw_Sqlcache_storeHelper(uw_Sqlcache_Cache *cache, char **keys, uw_Sqlcache_CacheValue *value, int timeNow) {
ziv@2250 4598 uw_Sqlcache_CacheEntry *entry;
ziv@2234 4599 char *key = keys[cache->height];
ziv@2234 4600 HASH_FIND(hh, cache->table, key, strlen(key), entry);
ziv@2234 4601 if (!entry) {
ziv@2250 4602 entry = malloc(sizeof(uw_Sqlcache_CacheEntry));
ziv@2234 4603 entry->key = strdup(key);
ziv@2234 4604 entry->value = NULL;
ziv@2234 4605 HASH_ADD_KEYPTR(hh, cache->table, entry->key, strlen(entry->key), entry);
ziv@2234 4606 }
ziv@2234 4607 entry->timeValid = timeNow;
ziv@2234 4608 if (cache->height == 0) {
ziv@2250 4609 //uw_Sqlcache_listAdd(cache->lru, entry);
ziv@2262 4610 uw_Sqlcache_free(entry->value);
ziv@2234 4611 entry->value = value;
ziv@2234 4612 //if (cache->lru->size > MAX_SIZE) {
ziv@2250 4613 //uw_Sqlcache_delete(cache, cache->lru->first);
ziv@2234 4614 // TODO: return flushed value.
ziv@2234 4615 //}
ziv@2234 4616 } else {
ziv@2234 4617 if (!entry->value) {
ziv@2250 4618 uw_Sqlcache_Cache *newuw_Sqlcache_Cache = malloc(sizeof(uw_Sqlcache_Cache));
ziv@2250 4619 newuw_Sqlcache_Cache->table = NULL;
ziv@2250 4620 newuw_Sqlcache_Cache->timeInvalid = timeNow;
ziv@2250 4621 newuw_Sqlcache_Cache->lru = cache->lru;
ziv@2250 4622 newuw_Sqlcache_Cache->height = cache->height - 1;
ziv@2250 4623 entry->value = newuw_Sqlcache_Cache;
ziv@2234 4624 }
ziv@2250 4625 uw_Sqlcache_storeHelper(entry->value, keys, value, timeNow);
ziv@2234 4626 }
ziv@2234 4627 }
ziv@2234 4628
ziv@2250 4629 void uw_Sqlcache_store(uw_Sqlcache_Cache *cache, char **keys, uw_Sqlcache_CacheValue *value) {
ziv@2250 4630 uw_Sqlcache_storeHelper(cache, keys, value, uw_Sqlcache_getTimeNow());
ziv@2250 4631 }
ziv@2250 4632
ziv@2250 4633 void uw_Sqlcache_flushHelper(uw_Sqlcache_Cache *cache, char **keys, int timeNow) {
ziv@2250 4634 uw_Sqlcache_CacheEntry *entry;
ziv@2234 4635 char *key = keys[cache->height];
ziv@2234 4636 if (key) {
ziv@2234 4637 HASH_FIND(hh, cache->table, key, strlen(key), entry);
ziv@2234 4638 if (entry) {
ziv@2234 4639 if (cache->height == 0) {
ziv@2250 4640 uw_Sqlcache_delete(cache, entry);
ziv@2234 4641 } else {
ziv@2250 4642 uw_Sqlcache_flushHelper(entry->value, keys, timeNow);
ziv@2234 4643 }
ziv@2234 4644 }
ziv@2234 4645 } else {
ziv@2234 4646 // Null key means invalidate the entire subtree.
ziv@2234 4647 cache->timeInvalid = timeNow;
ziv@2234 4648 }
ziv@2234 4649 }
ziv@2234 4650
ziv@2250 4651 void uw_Sqlcache_flush(uw_Sqlcache_Cache *cache, char **keys) {
ziv@2250 4652 uw_Sqlcache_flushHelper(cache, keys, uw_Sqlcache_getTimeNow());
ziv@2250 4653 }