annotate src/c/urweb.c @ 2211:ef766ef6e242

Merge.
author Ziv Scully <ziv@mit.edu>
date Sat, 13 Sep 2014 19:16:07 -0400
parents 0ca11d57c175 a9159911c3ba
children 98b87d905601
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
adam@1431 25 uw_unit uw_unit_v = 0;
adamc@102 26
adamc@667 27
adamc@667 28 // Socket extras
adamc@667 29
adamc@863 30 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667 31 while (len > 0) {
adamc@856 32 ssize_t n = send(sock, buf, len, 0);
adamc@856 33
adamc@856 34 if (n < 0)
adamc@856 35 return n;
adamc@856 36
adamc@856 37 buf += n;
adamc@856 38 len -= n;
adamc@856 39 }
adamc@856 40
adamc@856 41 return 0;
adamc@856 42 }
adamc@856 43
adamc@856 44 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856 45 while (len > 0) {
adamc@856 46 ssize_t n = write(fd, buf, len);
adamc@667 47
adamc@667 48 if (n < 0)
adamc@667 49 return n;
adamc@667 50
adamc@667 51 buf += n;
adamc@667 52 len -= n;
adamc@667 53 }
adamc@667 54
adamc@667 55 return 0;
adamc@667 56 }
adamc@667 57
adamc@667 58
adamc@667 59 // Buffers
adamc@667 60
adam@1369 61 void uw_buffer_init(size_t max, uw_buffer *b, size_t s) {
adamc@1113 62 b->max = max;
adamc@667 63 b->front = b->start = malloc(s);
adamc@667 64 b->back = b->front + s;
adamc@667 65 }
adamc@667 66
adam@1369 67 void uw_buffer_free(uw_buffer *b) {
adamc@667 68 free(b->start);
adamc@667 69 }
adamc@667 70
adam@1369 71 void uw_buffer_reset(uw_buffer *b) {
adamc@667 72 b->front = b->start;
adamc@667 73 }
adamc@667 74
adam@1369 75 int uw_buffer_check(uw_buffer *b, size_t extra) {
adamc@667 76 if (b->back - b->front < extra) {
adamc@667 77 size_t desired = b->front - b->start + extra, next;
adamc@667 78 char *new_heap;
adamc@667 79
adamc@667 80 next = b->back - b->start;
adamc@667 81 if (next == 0)
adamc@667 82 next = 1;
adamc@667 83 for (; next < desired; next *= 2);
adamc@667 84
adamc@1134 85 if (next > b->max) {
adamc@1113 86 if (desired <= b->max)
adamc@1113 87 next = desired;
adamc@1113 88 else
adamc@1113 89 return 1;
adamc@1134 90 }
adamc@1113 91
adamc@667 92 new_heap = realloc(b->start, next);
adamc@667 93 b->front = new_heap + (b->front - b->start);
adamc@667 94 b->back = new_heap + next;
adamc@667 95 b->start = new_heap;
adamc@667 96 }
adamc@1113 97
adamc@1113 98 return 0;
adamc@1113 99 }
adamc@1113 100
adamc@1113 101 __attribute__((noreturn)) void uw_error(uw_context, failure_kind, const char *, ...);
adamc@1113 102
adam@1369 103 static void ctx_uw_buffer_check(uw_context ctx, const char *kind, uw_buffer *b, size_t extra) {
adam@1369 104 if (uw_buffer_check(b, extra))
adamc@1113 105 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@667 106 }
adamc@667 107
adam@1369 108 size_t uw_buffer_used(uw_buffer *b) {
adamc@667 109 return b->front - b->start;
adamc@667 110 }
adamc@667 111
adam@1369 112 size_t uw_buffer_avail(uw_buffer *b) {
adamc@667 113 return b->back - b->start;
adamc@667 114 }
adamc@667 115
adam@1369 116 int uw_buffer_append(uw_buffer *b, const char *s, size_t len) {
adam@1369 117 if (uw_buffer_check(b, len+1))
adamc@1113 118 return 1;
adamc@1113 119
adamc@1113 120 memcpy(b->front, s, len);
adamc@1113 121 b->front += len;
adamc@1113 122 *b->front = 0;
adamc@1113 123
adamc@1113 124 return 0;
adamc@1113 125 }
adamc@1113 126
adam@1369 127 static void ctx_uw_buffer_append(uw_context ctx, const char *kind, uw_buffer *b, const char *s, size_t len) {
adam@1369 128 ctx_uw_buffer_check(ctx, kind, b, len+1);
adamc@1113 129
adamc@668 130 memcpy(b->front, s, len);
adamc@668 131 b->front += len;
adamc@672 132 *b->front = 0;
adamc@668 133 }
adamc@667 134
adamc@668 135
adamc@672 136 // Persistent state types
adamc@667 137
adamc@667 138 typedef enum { UNUSED, USED } usage;
adamc@667 139
adamc@667 140 typedef struct client {
adamc@682 141 unsigned id;
adamc@667 142 usage mode;
adamc@682 143 int pass;
adamc@682 144 struct client *next;
adamc@689 145 pthread_mutex_t lock, pull_lock;
adam@1369 146 uw_buffer msgs;
adamc@682 147 int sock;
adamc@863 148 int (*send)(int sockfd, const void *buf, ssize_t len);
adamc@863 149 int (*close)(int fd);
adamc@682 150 time_t last_contact;
adamc@682 151 unsigned n_channels;
adamc@685 152 unsigned refcount;
adamc@1121 153 void *data;
adamc@667 154 } client;
adamc@667 155
adamc@672 156
adamc@672 157 // Persistent client state
adamc@672 158
adamc@682 159 static client **clients, *clients_free, *clients_used;
adamc@682 160 static unsigned n_clients;
adamc@667 161
adam@1707 162 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@1113 163 size_t uw_messages_max = SIZE_MAX;
adamc@1113 164 size_t uw_clients_max = SIZE_MAX;
adamc@1113 165
adamc@1121 166 void *uw_init_client_data();
adamc@1121 167 void uw_free_client_data(void *);
adamc@1121 168 void uw_copy_client_data(void *dst, void *src);
adamc@1121 169
adamc@682 170 static client *new_client() {
adamc@667 171 client *c;
adamc@667 172
adamc@667 173 pthread_mutex_lock(&clients_mutex);
adamc@667 174
adamc@667 175 if (clients_free) {
adamc@667 176 c = clients_free;
adamc@682 177 clients_free = clients_free->next;
adamc@667 178 }
adam@1672 179 else if (n_clients >= uw_clients_max) {
adam@1672 180 pthread_mutex_unlock(&clients_mutex);
adamc@1113 181 return NULL;
adam@1672 182 } else {
adamc@667 183 ++n_clients;
adamc@667 184 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667 185 c = malloc(sizeof(client));
adamc@667 186 c->id = n_clients-1;
adamc@682 187 pthread_mutex_init(&c->lock, NULL);
adamc@689 188 pthread_mutex_init(&c->pull_lock, NULL);
adam@1369 189 uw_buffer_init(uw_messages_max, &c->msgs, 0);
adamc@667 190 clients[n_clients-1] = c;
adamc@667 191 }
adamc@667 192
adamc@682 193 pthread_mutex_lock(&c->lock);
adamc@667 194 c->mode = USED;
adamc@682 195 c->pass = rand();
adamc@682 196 c->sock = -1;
adamc@682 197 c->last_contact = time(NULL);
adam@1369 198 uw_buffer_reset(&c->msgs);
adamc@682 199 c->n_channels = 0;
adamc@685 200 c->refcount = 0;
adamc@1121 201 c->data = uw_init_client_data();
adamc@682 202 pthread_mutex_unlock(&c->lock);
adamc@682 203
adamc@682 204 c->next = clients_used;
adamc@682 205 clients_used = c;
adamc@667 206
adamc@667 207 pthread_mutex_unlock(&clients_mutex);
adamc@667 208
adamc@667 209 return c;
adamc@667 210 }
adamc@667 211
adamc@685 212 static void use_client(client *c) {
adamc@685 213 pthread_mutex_lock(&c->lock);
adamc@685 214 ++c->refcount;
adamc@685 215 pthread_mutex_unlock(&c->lock);
adamc@689 216 pthread_mutex_lock(&c->pull_lock);
adamc@685 217 }
adamc@685 218
adamc@685 219 static void release_client(client *c) {
adamc@689 220 pthread_mutex_unlock(&c->pull_lock);
adamc@685 221 pthread_mutex_lock(&c->lock);
adamc@685 222 --c->refcount;
adamc@685 223 pthread_mutex_unlock(&c->lock);
adamc@685 224 }
adamc@685 225
adamc@856 226 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adam@1707 227 static pthread_t pruning_thread;
adam@1707 228 static int pruning_thread_initialized = 0;
adamc@667 229
adamc@682 230 static client *find_client(unsigned id) {
adamc@667 231 client *c;
adam@1708 232 int i_am_pruner = pruning_thread_initialized && pthread_equal(pruning_thread, pthread_self());
adam@1708 233
adam@1708 234 if (!i_am_pruner) pthread_mutex_lock(&clients_mutex);
adamc@667 235
adamc@667 236 if (id >= n_clients) {
adam@1708 237 if (!i_am_pruner) pthread_mutex_unlock(&clients_mutex);
adamc@668 238 return NULL;
adamc@667 239 }
adamc@667 240
adamc@667 241 c = clients[id];
adamc@667 242
adam@1708 243 if (!i_am_pruner) pthread_mutex_unlock(&clients_mutex);
adamc@668 244 return c;
adamc@668 245 }
adamc@668 246
adamc@856 247 static char *on_success = "HTTP/1.1 200 OK\r\n";
adam@1409 248 static char *on_redirect = "HTTP/1.1 303 See Other\r\n";
adamc@856 249
adamc@856 250 void uw_set_on_success(char *s) {
adamc@856 251 on_success = s;
adamc@856 252 }
adamc@856 253
adam@1552 254 static void chastise(int (*send)(int sockfd, const void *buf, ssize_t len), int sock) {
adam@1552 255 send(sock, on_success, strlen(on_success));
adam@1552 256 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1552 257 send(sock, "R", 1);
adam@1552 258 close(sock);
adam@1552 259 }
adam@1552 260
adamc@863 261 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863 262 int (*send)(int sockfd, const void *buf, ssize_t len),
adamc@864 263 int (*close)(int fd),
adamc@864 264 void *logger_data, uw_logger log_error) {
adamc@682 265 client *c = find_client(id);
adamc@668 266
adamc@668 267 if (c == NULL) {
adam@1552 268 chastise(send, sock);
adamc@864 269 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667 270 return;
adamc@667 271 }
adamc@667 272
adamc@682 273 pthread_mutex_lock(&c->lock);
adamc@671 274
adamc@682 275 if (c->mode != USED) {
adamc@682 276 pthread_mutex_unlock(&c->lock);
adam@1552 277 chastise(send, sock);
adamc@864 278 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667 279 return;
adamc@667 280 }
adamc@667 281
adamc@682 282 if (pass != c->pass) {
adamc@682 283 pthread_mutex_unlock(&c->lock);
adam@1552 284 chastise(send, sock);
adamc@864 285 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682 286 return;
adamc@667 287 }
adamc@667 288
adamc@682 289 if (c->sock != -1) {
adamc@863 290 c->close(c->sock);
adamc@682 291 c->sock = -1;
adamc@682 292 }
adamc@667 293
adamc@682 294 c->last_contact = time(NULL);
adamc@682 295
adam@1369 296 if (uw_buffer_used(&c->msgs) > 0) {
adamc@863 297 send(sock, on_success, strlen(on_success));
adamc@863 298 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1369 299 send(sock, c->msgs.start, uw_buffer_used(&c->msgs));
adam@1369 300 uw_buffer_reset(&c->msgs);
adamc@667 301 close(sock);
adamc@667 302 }
adamc@863 303 else {
adamc@682 304 c->sock = sock;
adamc@863 305 c->send = send;
adamc@863 306 c->close = close;
adamc@863 307 }
adamc@667 308
adamc@682 309 pthread_mutex_unlock(&c->lock);
adamc@667 310 }
adamc@667 311
adamc@682 312 static void free_client(client *c) {
adamc@682 313 c->mode = UNUSED;
adamc@682 314 c->pass = -1;
adamc@667 315
adamc@682 316 c->next = clients_free;
adamc@682 317 clients_free = c;
adamc@667 318 }
adamc@667 319
adamc@682 320 static uw_Basis_channel new_channel(client *c) {
adamc@682 321 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668 322 return ch;
adamc@668 323 }
adamc@668 324
adam@1447 325 static void client_send(client *c, uw_buffer *msg, const char *script, int script_len) {
adamc@685 326 pthread_mutex_lock(&c->lock);
adamc@671 327
adamc@682 328 if (c->sock != -1) {
adamc@863 329 c->send(c->sock, on_success, strlen(on_success));
adamc@863 330 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1447 331 if (script_len > 0) {
adam@1447 332 c->send(c->sock, "E\n", 2);
adam@1447 333 c->send(c->sock, script, script_len);
adam@1447 334 c->send(c->sock, "\n", 1);
adam@1447 335 }
adam@1369 336 c->send(c->sock, msg->start, uw_buffer_used(msg));
adamc@863 337 c->close(c->sock);
adamc@682 338 c->sock = -1;
adam@1665 339 } else if (uw_buffer_append(&c->msgs, msg->start, uw_buffer_used(msg)))
adamc@1113 340 fprintf(stderr, "Client message buffer size exceeded");
adamc@671 341
adamc@685 342 pthread_mutex_unlock(&c->lock);
adamc@668 343 }
adamc@668 344
adamc@668 345
adamc@668 346 // Global entry points
adamc@668 347
adamc@1164 348 extern void uw_global_custom();
adamc@1104 349 extern void uw_init_crypto();
adamc@1104 350
adamc@668 351 void uw_global_init() {
adamc@668 352 srand(time(NULL) ^ getpid());
adamc@668 353
adamc@668 354 clients = malloc(0);
adamc@1104 355
adamc@1164 356 uw_global_custom();
adamc@1104 357 uw_init_crypto();
adamc@1094 358 }
adamc@1094 359
adamc@1094 360 void uw_app_init(uw_app *app) {
adamc@1094 361 app->client_init();
adamc@668 362 }
adamc@668 363
adam@1332 364 int uw_time = 0, uw_time_max = 0, uw_min_heap = 0;
adamc@1114 365
adamc@668 366
adamc@667 367 // Single-request state
adamc@667 368
adamc@323 369 typedef struct regions {
adamc@323 370 struct regions *next;
adamc@323 371 } regions;
adamc@323 372
adamc@425 373 typedef struct {
adamc@425 374 void (*func)(void*);
adamc@425 375 void *arg;
adamc@425 376 } cleanup;
adamc@425 377
adamc@671 378 typedef struct {
adamc@682 379 unsigned client;
adam@1369 380 uw_buffer msgs;
adamc@682 381 } delta;
adamc@671 382
adamc@737 383 typedef enum {
adamc@759 384 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737 385 } input_kind;
adamc@737 386
adamc@756 387 typedef struct input {
adamc@737 388 input_kind kind;
adamc@737 389 union {
adamc@737 390 char *normal;
adamc@739 391 uw_Basis_file file;
adamc@756 392 struct {
adamc@759 393 struct input *fields, *parent;
adamc@756 394 } subform;
adamc@759 395 struct {
adamc@759 396 struct input *entries, *parent;
adamc@759 397 } subforms;
adamc@759 398 struct {
adamc@759 399 struct input *fields, *next, *parent;
adamc@759 400 } entry;
adamc@737 401 } data;
adamc@737 402 } input;
adamc@737 403
adamc@771 404 typedef struct {
adamc@771 405 void *data;
adam@1327 406 uw_callback commit, rollback;
adam@1327 407 uw_callback_with_retry free;
adamc@771 408 } transactional;
adamc@771 409
adamc@1061 410 typedef struct {
adamc@1061 411 char *name;
adamc@1061 412 void *data;
adamc@1061 413 void (*free)(void*);
adamc@1061 414 } global;
adamc@1061 415
adamc@311 416 struct uw_context {
adamc@1094 417 uw_app *app;
adam@1446 418 int id;
adamc@1094 419
adamc@854 420 char *(*get_header)(void *, const char *);
adamc@854 421 void *get_header_data;
adamc@457 422
adam@1799 423 char *(*get_env)(void *, const char *);
adam@1799 424 void *get_env_data;
adam@1799 425
adam@1369 426 uw_buffer outHeaders, page, heap, script;
adam@1451 427 int allowed_to_return_indirectly, returning_indirectly;
adamc@759 428 input *inputs, *subinputs, *cur_container;
adamc@1094 429 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167 430
adam@1446 431 unsigned long long source_count;
adamc@562 432
adamc@272 433 void *db;
adam@1931 434 int transaction_started;
adamc@272 435
adamc@167 436 jmp_buf jmp_buf;
adamc@167 437
adamc@323 438 regions *regions;
adamc@323 439
adamc@425 440 cleanup *cleanup, *cleanup_front, *cleanup_back;
adamc@425 441
adamc@1094 442 const char *script_header;
adamc@643 443
adam@2056 444 int needs_push, needs_sig, could_write_db, at_most_one_query;
adamc@693 445
adamc@682 446 size_t n_deltas, used_deltas;
adamc@682 447 delta *deltas;
adamc@671 448
adamc@682 449 client *client;
adamc@682 450
adamc@771 451 transactional *transactionals;
adamc@771 452 size_t n_transactionals, used_transactionals;
adamc@771 453
adamc@1061 454 global *globals;
adamc@1061 455 size_t n_globals;
adamc@1061 456
adamc@1066 457 char *current_url;
adamc@1066 458
adamc@1114 459 int deadline;
adamc@1114 460
adamc@1121 461 void *client_data;
adamc@1121 462
grrwlf@1997 463 uw_loggers *loggers;
adam@1334 464
adam@1386 465 int isPost, hasPostBody;
adam@1347 466 uw_Basis_postBody postBody;
adam@1370 467 uw_Basis_string queryString;
adam@1347 468
adam@1556 469 unsigned nextId;
adam@1556 470
adam@1782 471 int amInitializing;
adam@1782 472
adamc@167 473 char error_message[ERROR_BUF_LEN];
adam@1877 474
adam@1877 475 int usedSig, needsResig;
adam@1949 476
adam@1949 477 char *output_buffer;
adam@1949 478 size_t output_buffer_size;
ziv@2204 479
ziv@2204 480 // For caching.
ziv@2204 481 char *recording;
adamc@117 482 };
adamc@117 483
adamc@1113 484 size_t uw_headers_max = SIZE_MAX;
adamc@1113 485 size_t uw_page_max = SIZE_MAX;
adamc@1113 486 size_t uw_heap_max = SIZE_MAX;
adamc@1113 487 size_t uw_script_max = SIZE_MAX;
adamc@1113 488
grrwlf@1997 489 uw_context uw_init(int id, uw_loggers *lg) {
adamc@311 490 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 491
adamc@1094 492 ctx->app = NULL;
adam@1446 493 ctx->id = id;
adamc@1094 494
adamc@854 495 ctx->get_header = NULL;
adamc@854 496 ctx->get_header_data = NULL;
adamc@457 497
adam@1799 498 ctx->get_env = NULL;
adam@1799 499 ctx->get_env_data = NULL;
adam@1799 500
adam@1413 501 uw_buffer_init(uw_headers_max, &ctx->outHeaders, 1);
adam@1413 502 ctx->outHeaders.start[0] = 0;
adam@1413 503 uw_buffer_init(uw_page_max, &ctx->page, 1);
adam@1413 504 ctx->page.start[0] = 0;
adam@1451 505 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 506 uw_buffer_init(uw_heap_max, &ctx->heap, uw_min_heap);
adam@1369 507 uw_buffer_init(uw_script_max, &ctx->script, 1);
adamc@667 508 ctx->script.start[0] = 0;
adamc@136 509
adamc@1094 510 ctx->inputs = malloc(0);
adamc@759 511 ctx->cur_container = NULL;
adamc@756 512 ctx->subinputs = malloc(0);
adamc@1094 513 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 514
adamc@272 515 ctx->db = NULL;
adam@1931 516 ctx->transaction_started = 0;
adamc@272 517
adamc@323 518 ctx->regions = NULL;
adamc@323 519
adamc@425 520 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 521
adamc@643 522 ctx->script_header = "";
adamc@693 523 ctx->needs_push = 0;
adamc@736 524 ctx->needs_sig = 0;
adam@1936 525 ctx->could_write_db = 1;
adam@2056 526 ctx->at_most_one_query = 0;
adamc@1104 527
adamc@565 528 ctx->source_count = 0;
adamc@562 529
adamc@682 530 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 531 ctx->deltas = malloc(0);
adamc@671 532
adamc@700 533 ctx->client = NULL;
adamc@700 534
adamc@700 535 ctx->error_message[0] = 0;
adamc@700 536
adamc@771 537 ctx->transactionals = malloc(0);
adamc@771 538 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 539
adamc@1061 540 ctx->globals = malloc(0);
adamc@1061 541 ctx->n_globals = 0;
adamc@1061 542
adamc@1066 543 ctx->current_url = "";
adamc@1066 544
adamc@1114 545 ctx->deadline = INT_MAX;
adamc@1114 546
adamc@1121 547 ctx->client_data = uw_init_client_data();
adamc@1121 548
grrwlf@1997 549 ctx->loggers = lg;
adam@1334 550
adam@1386 551 ctx->isPost = ctx->hasPostBody = 0;
adam@1347 552
adam@1370 553 ctx->queryString = NULL;
adam@1370 554
adam@1556 555 ctx->nextId = 0;
adam@1556 556
adam@1782 557 ctx->amInitializing = 0;
adam@1782 558
adam@1877 559 ctx->usedSig = 0;
adam@1877 560 ctx->needsResig = 0;
adam@1877 561
adam@1949 562 ctx->output_buffer = malloc(1);
adam@1949 563 ctx->output_buffer_size = 1;
adam@1949 564
ziv@2204 565 ctx->recording = 0;
ziv@2204 566
adamc@117 567 return ctx;
adamc@106 568 }
adamc@106 569
adamc@1113 570 size_t uw_inputs_max = SIZE_MAX;
adamc@1113 571
adamc@1121 572 uw_app *uw_get_app(uw_context ctx) {
adamc@1121 573 return ctx->app;
adamc@1121 574 }
adamc@1121 575
adamc@1113 576 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094 577 ctx->app = app;
adamc@1094 578
adamc@1105 579 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113 580 if (app->inputs_len > uw_inputs_max)
adamc@1113 581 return 1;
adamc@1113 582
adamc@1094 583 ctx->sz_inputs = app->inputs_len;
adamc@1094 584 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094 585 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094 586 }
adamc@1134 587
adamc@1134 588 return 0;
adamc@1094 589 }
adamc@1094 590
adamc@1121 591 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121 592 uw_copy_client_data(ctx->client_data, data);
adamc@1121 593 }
adamc@1121 594
adamc@311 595 void uw_set_db(uw_context ctx, void *db) {
adamc@272 596 ctx->db = db;
adamc@272 597 }
adamc@272 598
adamc@311 599 void *uw_get_db(uw_context ctx) {
adamc@272 600 return ctx->db;
adamc@272 601 }
adamc@272 602
grrwlf@1997 603
grrwlf@1997 604 uw_loggers* uw_get_loggers(struct uw_context *ctx) {
grrwlf@1997 605 return ctx->loggers;
grrwlf@1997 606 }
grrwlf@1997 607
adamc@311 608 void uw_free(uw_context ctx) {
adamc@671 609 size_t i;
adamc@671 610
adam@1369 611 uw_buffer_free(&ctx->outHeaders);
adam@1369 612 uw_buffer_free(&ctx->script);
adam@1369 613 uw_buffer_free(&ctx->page);
adam@1369 614 uw_buffer_free(&ctx->heap);
adamc@144 615 free(ctx->inputs);
adamc@756 616 free(ctx->subinputs);
adamc@425 617 free(ctx->cleanup);
adamc@771 618 free(ctx->transactionals);
adamc@1121 619 uw_free_client_data(ctx->client_data);
adamc@671 620
adamc@682 621 for (i = 0; i < ctx->n_deltas; ++i)
adam@1369 622 uw_buffer_free(&ctx->deltas[i].msgs);
marco-oweber@1330 623 free(ctx->deltas);
adamc@671 624
adamc@1061 625 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089 626 if (ctx->globals[i].free)
adamc@1089 627 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330 628 free(ctx->globals);
adamc@1061 629
adam@1949 630 free(ctx->output_buffer);
adam@1949 631
adamc@136 632 free(ctx);
adamc@136 633 }
adamc@136 634
adamc@562 635 void uw_reset_keep_error_message(uw_context ctx) {
adam@1369 636 uw_buffer_reset(&ctx->outHeaders);
adam@1369 637 uw_buffer_reset(&ctx->script);
adamc@667 638 ctx->script.start[0] = 0;
adam@1369 639 uw_buffer_reset(&ctx->page);
adam@1451 640 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 641 uw_buffer_reset(&ctx->heap);
adamc@323 642 ctx->regions = NULL;
adamc@425 643 ctx->cleanup_front = ctx->cleanup;
adamc@682 644 ctx->used_deltas = 0;
adamc@682 645 ctx->client = NULL;
adamc@759 646 ctx->cur_container = NULL;
adamc@771 647 ctx->used_transactionals = 0;
adamc@1117 648 ctx->script_header = "";
adam@1370 649 ctx->queryString = NULL;
adam@1556 650 ctx->nextId = 0;
adam@1782 651 ctx->amInitializing = 0;
adam@1877 652 ctx->usedSig = 0;
adam@1877 653 ctx->needsResig = 0;
adamc@167 654 }
adamc@167 655
adamc@562 656 void uw_reset_keep_request(uw_context ctx) {
adamc@562 657 uw_reset_keep_error_message(ctx);
adamc@562 658 ctx->error_message[0] = 0;
adamc@167 659 }
adamc@167 660
adamc@311 661 void uw_reset(uw_context ctx) {
adamc@311 662 uw_reset_keep_request(ctx);
adamc@1105 663 if (ctx->app)
adamc@1105 664 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756 665 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adam@1461 666 ctx->used_subinputs = ctx->hasPostBody = ctx->isPost = 0;
adam@1943 667 ctx->transaction_started = 0;
adamc@144 668 }
adamc@144 669
adamc@311 670 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 671 int r = setjmp(ctx->jmp_buf);
adamc@272 672
adamc@1105 673 if (r == 0 && ctx->app)
adamc@1094 674 ctx->app->db_init(ctx);
adamc@272 675
adamc@272 676 return r;
adamc@272 677 }
adamc@272 678
adamc@1118 679 void uw_close(uw_context ctx) {
adamc@1118 680 ctx->app->db_close(ctx);
adamc@1118 681 }
adamc@1118 682
adam@1446 683 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adam@1446 684 return ctx->get_header(ctx->get_header_data, h);
adam@1446 685 }
adam@1446 686
adamc@854 687 void uw_set_headers(uw_context ctx, char *(*get_header)(void *, const char *), void *get_header_data) {
adamc@854 688 ctx->get_header = get_header;
adamc@854 689 ctx->get_header_data = get_header_data;
adamc@742 690 }
adamc@742 691
adam@1799 692 void uw_set_env(uw_context ctx, char *(*get_env)(void *, const char *), void *get_env_data) {
adam@1799 693 ctx->get_env = get_env;
adam@1799 694 ctx->get_env_data = get_env_data;
adam@1799 695 }
adam@1799 696
adamc@801 697 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801 698 va_list ap;
adamc@801 699 va_start(ap, fmt);
adamc@801 700
adamc@801 701 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801 702 }
adamc@801 703
adamc@1131 704 int uw_has_error(uw_context ctx) {
adamc@1131 705 return ctx->error_message[0] != 0;
adamc@1131 706 }
adamc@1131 707
adamc@311 708 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 709 cleanup *cl;
adamc@425 710
adamc@167 711 va_list ap;
adamc@167 712 va_start(ap, fmt);
adamc@167 713
adamc@167 714 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 715
adamc@425 716 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 717 cl->func(cl->arg);
adamc@425 718
adamc@425 719 ctx->cleanup_front = ctx->cleanup;
adamc@425 720
adamc@190 721 longjmp(ctx->jmp_buf, fk);
adamc@167 722 }
adamc@167 723
adamc@1113 724 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113 725
adamc@425 726 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 727 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 728 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 729 if (len == 0)
adamc@425 730 newLen = 1;
adamc@425 731 else
adamc@428 732 newLen = len * 2;
adamc@1113 733
adamc@1134 734 if (newLen > uw_cleanup_max) {
adamc@1113 735 if (len+1 <= uw_cleanup_max)
adamc@1113 736 newLen = uw_cleanup_max;
adamc@1113 737 else
adamc@1113 738 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134 739 }
adamc@1113 740
adamc@470 741 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 742 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 743 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 744 }
adamc@425 745
adamc@425 746 ctx->cleanup_front->func = func;
adamc@425 747 ctx->cleanup_front->arg = arg;
adamc@425 748 ++ctx->cleanup_front;
adamc@425 749 }
adamc@425 750
adam@1444 751 char *uw_Basis_htmlifyString(uw_context, const char *);
adam@1444 752
adamc@682 753 void uw_login(uw_context ctx) {
adam@1942 754 char *id_s, *pass_s;
adam@1942 755
adam@1942 756 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adam@1942 757 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adam@1942 758 unsigned id = atoi(id_s);
adam@1942 759 int pass = atoi(pass_s);
adam@1942 760 client *c = find_client(id);
adam@1942 761
adam@1942 762 if (c == NULL)
adam@1942 763 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 764 else {
adamc@685 765 use_client(c);
adamc@682 766 ctx->client = c;
adam@1942 767
adam@1942 768 if (c->mode != USED)
adam@1942 769 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adam@1942 770 if (c->pass != pass)
adam@1942 771 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@864 772 }
adam@1942 773 } else if (ctx->needs_push) {
adam@1942 774 client *c = new_client();
adam@1942 775
adam@1942 776 if (c == NULL)
adam@1942 777 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adam@1942 778
adam@1942 779 use_client(c);
adam@1942 780 uw_copy_client_data(c->data, ctx->client_data);
adam@1942 781 ctx->client = c;
adamc@682 782 }
adamc@682 783 }
adamc@682 784
adamc@671 785 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671 786 int r = setjmp(ctx->jmp_buf);
adamc@671 787
adam@1931 788 if (r == 0)
adam@1931 789 ctx->app->handle(ctx, path);
adam@1931 790
adam@1931 791 return r;
adam@1931 792 }
adam@1931 793
adam@1931 794 void uw_ensure_transaction(uw_context ctx) {
adam@2056 795 if (!ctx->transaction_started && !ctx->at_most_one_query) {
adam@1936 796 if (ctx->app->db_begin(ctx, ctx->could_write_db))
adamc@671 797 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1931 798 ctx->transaction_started = 1;
adamc@671 799 }
adamc@671 800 }
adamc@671 801
adamc@772 802 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682 803 if (ctx->client == NULL)
adamc@682 804 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682 805
adamc@682 806 return ctx->client->id;
adamc@682 807 }
adamc@682 808
adamc@425 809 void uw_pop_cleanup(uw_context ctx) {
adamc@425 810 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 811 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 812
adamc@425 813 --ctx->cleanup_front;
adamc@425 814 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 815 }
adamc@425 816
adamc@311 817 char *uw_error_message(uw_context ctx) {
adamc@167 818 return ctx->error_message;
adamc@167 819 }
adamc@167 820
adamc@1115 821 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115 822 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115 823 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115 824 }
adamc@1115 825
adamc@759 826 static input *INP(uw_context ctx) {
adamc@759 827 if (ctx->cur_container == NULL)
adamc@759 828 return ctx->inputs;
adamc@759 829 else if (ctx->cur_container->kind == SUBFORM)
adamc@759 830 return ctx->cur_container->data.subform.fields;
adamc@759 831 else if (ctx->cur_container->kind == ENTRY)
adamc@759 832 return ctx->cur_container->data.entry.fields;
adamc@759 833 else
adamc@760 834 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759 835 }
adamc@759 836
adamc@760 837 static void adjust_pointer(input **ptr, input *old_start, input *new_start, size_t len) {
adamc@760 838 if (*ptr != NULL && *ptr >= old_start && *ptr < old_start + len)
adamc@760 839 *ptr += new_start - old_start;
adamc@760 840 }
adamc@760 841
adamc@760 842 static void adjust_input(input *x, input *old_start, input *new_start, size_t len) {
adamc@759 843 switch (x->kind) {
adamc@759 844 case SUBFORM:
adamc@760 845 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760 846 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759 847 break;
adamc@759 848 case SUBFORMS:
adamc@760 849 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760 850 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759 851 break;
adamc@759 852 case ENTRY:
adamc@760 853 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760 854 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760 855 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134 856 break;
adamc@1134 857 default:
adamc@1134 858 break;
phurst@1981 859 }
adamc@759 860 }
adamc@759 861
adamc@1113 862 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113 863
adamc@759 864 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759 865 size_t i;
adamc@759 866 input *r;
adamc@759 867
adamc@759 868 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113 869 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113 870 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113 871
adamc@759 872 input *new_subinputs = realloc(ctx->subinputs, sizeof(input) * (ctx->used_subinputs + len));
adamc@759 873
adamc@760 874 if (ctx->subinputs != new_subinputs) {
adamc@760 875 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760 876 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094 877 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760 878 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 879
adamc@760 880 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 881
adamc@760 882 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760 883 ctx->subinputs = new_subinputs;
adamc@760 884 }
adamc@759 885 }
adamc@759 886
adamc@759 887 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759 888
adamc@759 889 for (i = 0; i < len; ++i)
adam@1474 890 ctx->subinputs[ctx->used_subinputs++].kind = UNSET;
adamc@759 891
adamc@759 892 return r;
adamc@759 893 }
adamc@756 894
adamc@801 895 int uw_set_input(uw_context ctx, const char *name, char *value) {
adamc@1050 896 //printf("Input name %s\n", name);
adamc@1038 897
adamc@756 898 if (!strcasecmp(name, ".b")) {
adamc@1094 899 int n = ctx->app->input_num(value);
adamc@756 900 input *inps;
adamc@756 901
adamc@801 902 if (n < 0) {
adam@1444 903 uw_set_error(ctx, "Bad subform name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 904 return -1;
adamc@801 905 }
adamc@801 906
adamc@1094 907 if (n >= ctx->app->inputs_len) {
adam@1444 908 uw_set_error(ctx, "For subform name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 909 return -1;
adamc@801 910 }
adamc@756 911
adamc@1094 912 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759 913
adamc@759 914 INP(ctx)[n].kind = SUBFORM;
adamc@759 915 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759 916 INP(ctx)[n].data.subform.fields = inps;
adamc@759 917 ctx->cur_container = &INP(ctx)[n];
adamc@756 918 } else if (!strcasecmp(name, ".e")) {
adamc@756 919 input *tmp;
adamc@756 920
adamc@801 921 if (ctx->cur_container == NULL) {
adamc@801 922 uw_set_error(ctx, "Unmatched subform closer");
adamc@801 923 return -1;
adamc@801 924 }
adamc@756 925
adamc@759 926 tmp = ctx->cur_container;
adamc@759 927 switch (tmp->kind) {
adamc@759 928 case SUBFORM:
adamc@759 929 ctx->cur_container = tmp->data.subform.parent;
adamc@759 930 tmp->data.subform.parent = NULL;
adamc@759 931 break;
adamc@759 932 case SUBFORMS:
adamc@759 933 ctx->cur_container = tmp->data.subforms.parent;
adamc@759 934 tmp->data.subforms.parent = NULL;
adamc@759 935 break;
adamc@759 936 case ENTRY:
adamc@759 937 ctx->cur_container = tmp->data.entry.parent;
adamc@759 938 break;
adamc@759 939 default:
adamc@801 940 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801 941 return -1;
adamc@759 942 }
adamc@759 943 } else if (!strcasecmp(name, ".s")) {
adamc@1094 944 int n = ctx->app->input_num(value);
adamc@759 945
adamc@801 946 if (n < 0) {
adam@1444 947 uw_set_error(ctx, "Bad subforms name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 948 return -1;
adamc@801 949 }
adamc@801 950
adamc@1094 951 if (n >= ctx->app->inputs_len) {
adam@1444 952 uw_set_error(ctx, "For subforms name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 953 return -1;
adamc@801 954 }
adamc@759 955
adamc@759 956 INP(ctx)[n].kind = SUBFORMS;
adamc@759 957 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 958 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759 959 ctx->cur_container = &INP(ctx)[n];
adamc@759 960 } else if (!strcasecmp(name, ".i")) {
adamc@759 961 input *inps;
adamc@759 962
adamc@801 963 if (!ctx->cur_container) {
adamc@801 964 uw_set_error(ctx, "New entry without container");
adamc@801 965 return -1;
adamc@801 966 }
adamc@801 967
adamc@801 968 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801 969 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801 970 return -1;
adamc@801 971 }
adamc@759 972
adamc@1094 973 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759 974
adamc@759 975 inps->kind = ENTRY;
adamc@759 976 inps->data.entry.parent = ctx->cur_container;
adamc@759 977 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759 978 ctx->cur_container->data.subforms.entries = inps;
adamc@759 979
adamc@759 980 inps->data.entry.fields = inps+1;
adamc@759 981 ctx->cur_container = inps;
adamc@756 982 } else {
adamc@1094 983 int n = ctx->app->input_num(name);
adamc@756 984
adam@1384 985 if (n < 0)
adam@1384 986 return 0;
adamc@801 987
adamc@1094 988 if (n >= ctx->app->inputs_len) {
adam@1444 989 uw_set_error(ctx, "For input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801 990 return -1;
adamc@801 991 }
adamc@756 992
adamc@756 993 INP(ctx)[n].kind = NORMAL;
adamc@756 994 INP(ctx)[n].data.normal = value;
adamc@756 995 }
adamc@801 996
adamc@801 997 return 0;
adamc@144 998 }
adamc@144 999
adamc@311 1000 char *uw_get_input(uw_context ctx, int n) {
adamc@169 1001 if (n < 0)
adamc@311 1002 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 1003 if (n >= ctx->app->inputs_len)
adamc@311 1004 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 1005
adamc@756 1006 switch (INP(ctx)[n].kind) {
adamc@737 1007 case UNSET:
adamc@737 1008 return NULL;
adamc@739 1009 case FIL:
adamc@739 1010 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 1011 case SUBFORM:
adamc@756 1012 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 1013 case SUBFORMS:
adamc@759 1014 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 1015 case ENTRY:
adamc@759 1016 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 1017 case NORMAL:
adamc@756 1018 return INP(ctx)[n].data.normal;
adamc@737 1019 default:
adamc@737 1020 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1021 }
adamc@138 1022 }
adamc@138 1023
adamc@311 1024 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 1025 if (n < 0)
adamc@311 1026 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 1027 if (n >= ctx->app->inputs_len)
adamc@311 1028 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 1029
adamc@756 1030 switch (INP(ctx)[n].kind) {
adamc@737 1031 case UNSET:
adamc@737 1032 return "";
adamc@739 1033 case FIL:
adamc@739 1034 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 1035 case SUBFORM:
adamc@756 1036 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 1037 case SUBFORMS:
adamc@759 1038 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 1039 case ENTRY:
adamc@759 1040 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 1041 case NORMAL:
adamc@756 1042 return INP(ctx)[n].data.normal;
adamc@737 1043 default:
adamc@737 1044 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1045 }
adamc@737 1046 }
adamc@737 1047
adamc@801 1048 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094 1049 int n = ctx->app->input_num(name);
adamc@737 1050
adamc@801 1051 if (n < 0) {
adam@2054 1052 uw_set_error(ctx, "Bad file input name");
adamc@801 1053 return -1;
adamc@801 1054 }
adamc@801 1055
adamc@1094 1056 if (n >= ctx->app->inputs_len) {
adam@2054 1057 uw_set_error(ctx, "For file input name, index %d is out of range", n);
adamc@801 1058 return -1;
adamc@801 1059 }
adamc@737 1060
adamc@739 1061 ctx->inputs[n].kind = FIL;
adamc@739 1062 ctx->inputs[n].data.file = f;
adamc@801 1063
adamc@801 1064 return 0;
adamc@737 1065 }
adamc@737 1066
adamc@739 1067 void *uw_malloc(uw_context ctx, size_t len);
adamc@739 1068
adamc@739 1069 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737 1070 if (n < 0)
adamc@737 1071 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094 1072 if (n >= ctx->app->inputs_len)
adamc@737 1073 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737 1074
adamc@756 1075 switch (INP(ctx)[n].kind) {
adamc@737 1076 case UNSET:
adamc@737 1077 {
adamc@739 1078 char *data = uw_malloc(ctx, 0);
adamc@740 1079 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739 1080 return f;
adamc@737 1081 }
adamc@739 1082 case FIL:
adamc@756 1083 return INP(ctx)[n].data.file;
adamc@737 1084 case NORMAL:
adamc@737 1085 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756 1086 case SUBFORM:
adamc@756 1087 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759 1088 case SUBFORMS:
adamc@759 1089 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759 1090 case ENTRY:
adamc@759 1091 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737 1092 default:
adamc@737 1093 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1094 }
adamc@190 1095 }
adamc@190 1096
adamc@756 1097 void uw_enter_subform(uw_context ctx, int n) {
adamc@756 1098 if (n < 0)
adamc@756 1099 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094 1100 if (n >= ctx->app->inputs_len)
adamc@756 1101 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756 1102
adamc@756 1103 switch (INP(ctx)[n].kind) {
adamc@756 1104 case UNSET:
adamc@756 1105 uw_error(ctx, FATAL, "Missing subform");
adamc@756 1106 case FIL:
adamc@756 1107 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756 1108 case NORMAL:
adamc@756 1109 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759 1110 case SUBFORMS:
adamc@759 1111 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759 1112 case ENTRY:
adamc@759 1113 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756 1114 case SUBFORM:
adamc@759 1115 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760 1116 ctx->cur_container = &INP(ctx)[n];
adamc@756 1117 return;
adamc@756 1118 default:
adamc@756 1119 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756 1120 }
adamc@756 1121 }
adamc@756 1122
adamc@756 1123 void uw_leave_subform(uw_context ctx) {
adamc@756 1124 input *tmp;
adamc@756 1125
adamc@759 1126 if (ctx->cur_container == NULL)
adamc@756 1127 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756 1128
adamc@759 1129 tmp = ctx->cur_container;
adamc@759 1130 ctx->cur_container = tmp->data.subform.parent;
adamc@759 1131 tmp->data.subform.parent = NULL;
adamc@759 1132 }
adamc@759 1133
adamc@759 1134 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759 1135 input *inps;
adamc@759 1136
adamc@759 1137 if (n < 0)
adamc@759 1138 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094 1139 if (n >= ctx->app->inputs_len)
adamc@759 1140 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759 1141
adamc@759 1142 switch (INP(ctx)[n].kind) {
adamc@759 1143 case UNSET:
adamc@759 1144 uw_error(ctx, FATAL, "Missing subforms");
adamc@759 1145 case FIL:
adamc@759 1146 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759 1147 case NORMAL:
adamc@759 1148 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759 1149 case SUBFORM:
adamc@759 1150 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759 1151 case ENTRY:
adamc@759 1152 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759 1153 case SUBFORMS:
adamc@759 1154 inps = INP(ctx)[n].data.subforms.entries;
adamc@759 1155 if (inps) {
adamc@759 1156 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 1157 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759 1158 return 1;
adamc@759 1159 } else
adamc@759 1160 return 0;
adamc@759 1161 default:
adamc@759 1162 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1163 }
adamc@759 1164 }
adamc@759 1165
adamc@759 1166 int uw_next_entry(uw_context ctx) {
adamc@759 1167 if (ctx->cur_container == NULL)
adamc@759 1168 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759 1169
adamc@759 1170 switch (ctx->cur_container->kind) {
adamc@759 1171 case UNSET:
adamc@759 1172 uw_error(ctx, FATAL, "Missing entry");
adamc@759 1173 case FIL:
adamc@759 1174 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759 1175 case NORMAL:
adamc@759 1176 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759 1177 case SUBFORM:
adamc@759 1178 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759 1179 case SUBFORMS:
adamc@759 1180 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759 1181 case ENTRY:
adamc@759 1182 if (ctx->cur_container->data.entry.next) {
adamc@759 1183 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759 1184 return 1;
adamc@759 1185 } else {
adamc@759 1186 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759 1187 return 0;
adamc@759 1188 }
adamc@759 1189 default:
adamc@759 1190 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1191 }
adamc@756 1192 }
adamc@756 1193
adamc@643 1194 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 1195 ctx->script_header = s;
adamc@643 1196 }
adamc@643 1197
adamc@1094 1198 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094 1199 return ctx->app->url_prefix;
adamc@667 1200 }
adamc@667 1201
adamc@693 1202 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693 1203 ctx->needs_push = n;
adamc@693 1204 }
adamc@693 1205
adamc@736 1206 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736 1207 ctx->needs_sig = n;
adamc@736 1208 }
adamc@736 1209
adam@1936 1210 void uw_set_could_write_db(uw_context ctx, int n) {
adam@1936 1211 ctx->could_write_db = n;
adam@1936 1212 }
adam@1936 1213
adam@2056 1214 void uw_set_at_most_one_query(uw_context ctx, int n) {
adam@2056 1215 ctx->at_most_one_query = n;
adam@2056 1216 }
adam@2056 1217
adamc@667 1218
adam@1369 1219 static void uw_buffer_check_ctx(uw_context ctx, const char *kind, uw_buffer *b, size_t extra, const char *desc) {
adamc@666 1220 if (b->back - b->front < extra) {
adamc@666 1221 size_t desired = b->front - b->start + extra, next;
adamc@136 1222 char *new_heap;
adamc@136 1223
adamc@666 1224 next = b->back - b->start;
adamc@317 1225 if (next == 0)
adamc@317 1226 next = 1;
adamc@317 1227 for (; next < desired; next *= 2);
adamc@136 1228
adamc@1134 1229 if (next > b->max) {
adamc@1113 1230 if (desired <= b->max)
adamc@1113 1231 next = desired;
adamc@1113 1232 else
adamc@1113 1233 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134 1234 }
adamc@1113 1235
adamc@666 1236 new_heap = realloc(b->start, next);
adamc@666 1237 b->front = new_heap + (b->front - b->start);
adamc@666 1238 b->back = new_heap + next;
adamc@136 1239
adamc@667 1240 if (new_heap != b->start) {
adamc@666 1241 b->start = new_heap;
adam@1389 1242 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously; increasing size to %llu", desc, (unsigned long long)next);
adamc@136 1243 }
adamc@136 1244
adamc@666 1245 b->start = new_heap;
adamc@136 1246 }
adamc@136 1247 }
adamc@136 1248
adamc@832 1249 void uw_check_heap(uw_context ctx, size_t extra) {
adam@1369 1250 uw_buffer_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666 1251 }
adamc@666 1252
adamc@832 1253 char *uw_heap_front(uw_context ctx) {
adamc@832 1254 return ctx->heap.front;
adamc@832 1255 }
adamc@832 1256
adamc@832 1257 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832 1258 ctx->heap.front = fr;
adamc@832 1259 }
adamc@832 1260
adam@1782 1261 void uw_begin_initializing(uw_context ctx) {
adam@1782 1262 ctx->amInitializing = 1;
adam@1782 1263 }
adam@1782 1264
adam@1782 1265 void uw_end_initializing(uw_context ctx) {
adam@1782 1266 ctx->amInitializing = 0;
adam@1782 1267 }
adam@1782 1268
adam@2013 1269 static void align_heap(uw_context ctx) {
adam@2013 1270 size_t posn = ctx->heap.front - ctx->heap.start;
adam@2013 1271
adam@2017 1272 if (posn % sizeof(void *) != 0) {
adam@2017 1273 size_t bump = sizeof(void *) - posn % sizeof(void *);
adam@2013 1274 uw_check_heap(ctx, bump);
adam@2013 1275 ctx->heap.front += bump;
adam@2013 1276 }
adam@2013 1277 }
adam@2013 1278
adamc@311 1279 void *uw_malloc(uw_context ctx, size_t len) {
adam@2013 1280 // On some architectures, it's important that all word-sized memory accesses
adam@2013 1281 // be to word-aligned addresses, so we'll do a little bit of extra work here
adam@2013 1282 // in anticipation of a possible word-aligned access to the address we'll
adam@2013 1283 // return.
adam@2013 1284
adamc@136 1285 void *result;
adamc@136 1286
adam@1782 1287 if (ctx->amInitializing) {
adam@2017 1288 int error = posix_memalign(&result, sizeof(void *), len);
adam@2013 1289
adam@2013 1290 if (!error)
adam@1782 1291 return result;
adam@1782 1292 else
adam@2013 1293 uw_error(ctx, FATAL, "uw_malloc: posix_memalign() returns %d", error);
adam@1782 1294 } else {
adam@2013 1295 align_heap(ctx);
adam@2013 1296
adam@1782 1297 uw_check_heap(ctx, len);
adam@1782 1298
adam@1782 1299 result = ctx->heap.front;
adam@1782 1300 ctx->heap.front += len;
adam@1782 1301 return result;
adam@1782 1302 }
adamc@117 1303 }
adamc@117 1304
adamc@323 1305 void uw_begin_region(uw_context ctx) {
adam@2013 1306 align_heap(ctx);
adam@2013 1307
adamc@666 1308 regions *r = (regions *) ctx->heap.front;
adamc@323 1309
adamc@323 1310 uw_check_heap(ctx, sizeof(regions));
adamc@323 1311
adamc@666 1312 ctx->heap.front += sizeof(regions);
adamc@323 1313
adamc@323 1314 r->next = ctx->regions;
adamc@323 1315 ctx->regions = r;
adamc@323 1316 }
adamc@323 1317
adamc@323 1318 void uw_end_region(uw_context ctx) {
adamc@323 1319 regions *r = ctx->regions;
adamc@323 1320
adamc@323 1321 if (r == NULL)
adamc@323 1322 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 1323
adamc@666 1324 ctx->heap.front = (char *) r;
adamc@323 1325 ctx->regions = r->next;
adamc@323 1326 }
adamc@323 1327
adamc@324 1328 void uw_memstats(uw_context ctx) {
adam@1369 1329 printf("Headers: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->outHeaders), (unsigned long)uw_buffer_avail(&ctx->outHeaders));
adam@1369 1330 printf("Script: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->script), (unsigned long)uw_buffer_avail(&ctx->script));
adam@1369 1331 printf("Page: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->page), (unsigned long)uw_buffer_avail(&ctx->page));
adam@1369 1332 printf("Heap: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->heap), (unsigned long)uw_buffer_avail(&ctx->heap));
adamc@324 1333 }
adamc@324 1334
adam@1915 1335 int uw_pagelen(uw_context ctx) {
adam@1915 1336 return ctx->page.front - ctx->page.start;
adam@1915 1337 }
adam@1915 1338
adamc@311 1339 int uw_send(uw_context ctx, int sock) {
adam@1949 1340 size_t target_length = (ctx->outHeaders.front - ctx->outHeaders.start) + 2 + (ctx->page.front - ctx->page.start);
adam@1949 1341
adam@1949 1342 if (ctx->output_buffer_size < target_length) {
adam@1949 1343 do {
adam@1949 1344 ctx->output_buffer_size *= 2;
adam@1949 1345 } while (ctx->output_buffer_size < target_length);
adam@1949 1346 ctx->output_buffer = realloc(ctx->output_buffer, ctx->output_buffer_size);
adam@1949 1347 }
adam@1949 1348
adam@1949 1349 memcpy(ctx->output_buffer, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adam@1949 1350 memcpy(ctx->output_buffer + (ctx->outHeaders.front - ctx->outHeaders.start), "\r\n", 2);
adam@1949 1351 memcpy(ctx->output_buffer + (ctx->outHeaders.front - ctx->outHeaders.start) + 2, ctx->page.start, ctx->page.front - ctx->page.start);
adam@1949 1352
adam@1949 1353 return uw_really_send(sock, ctx->output_buffer, target_length);
adamc@462 1354 }
adamc@462 1355
adamc@856 1356 int uw_print(uw_context ctx, int fd) {
adamc@856 1357 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856 1358
adamc@856 1359 if (n < 0)
adamc@856 1360 return n;
adamc@856 1361
adamc@856 1362 n = uw_really_write(fd, "\r\n", 2);
adamc@856 1363
adamc@856 1364 if (n < 0)
adamc@856 1365 return n;
adamc@856 1366
adamc@856 1367 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856 1368 }
adamc@856 1369
adamc@860 1370 int uw_output(uw_context ctx, int (*output)(void *data, char *buf, size_t len), void *data) {
adamc@860 1371 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860 1372
adamc@860 1373 if (n < 0)
adamc@860 1374 return n;
adamc@860 1375
adamc@860 1376 n = output(data, "\r\n", 2);
adamc@860 1377
adamc@860 1378 if (n < 0)
adamc@860 1379 return n;
adamc@860 1380
adamc@860 1381 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860 1382 }
adamc@860 1383
adamc@462 1384 static void uw_check_headers(uw_context ctx, size_t extra) {
adam@1369 1385 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462 1386 }
adamc@462 1387
adamc@462 1388 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 1389 int len = strlen(s);
adamc@462 1390
adamc@462 1391 uw_check_headers(ctx, len + 1);
adamc@666 1392 strcpy(ctx->outHeaders.front, s);
adamc@666 1393 ctx->outHeaders.front += len;
adamc@562 1394 }
adamc@562 1395
adam@1934 1396 int uw_has_contentLength(uw_context ctx) {
adam@1934 1397 return strstr(ctx->outHeaders.start, "Content-length: ") != NULL;
adam@1934 1398 }
adam@1934 1399
adamc@1110 1400 void uw_clear_headers(uw_context ctx) {
adam@1369 1401 uw_buffer_reset(&ctx->outHeaders);
adamc@1110 1402 }
adamc@1110 1403
adam@1932 1404 void uw_Basis_clear_page(uw_context ctx) {
adam@1932 1405 uw_buffer_reset(&ctx->page);
adam@1932 1406 }
adam@1932 1407
adamc@562 1408 static void uw_check_script(uw_context ctx, size_t extra) {
adam@1369 1409 ctx_uw_buffer_check(ctx, "script", &ctx->script, extra);
adamc@562 1410 }
adamc@562 1411
adamc@562 1412 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 1413 int len = strlen(s);
adamc@562 1414
adamc@562 1415 uw_check_script(ctx, len + 1);
adamc@666 1416 strcpy(ctx->script.front, s);
adamc@666 1417 ctx->script.front += len;
adamc@562 1418 }
adamc@562 1419
adam@1446 1420 const char *uw_get_real_script(uw_context ctx) {
adam@1671 1421 if (strstr(ctx->outHeaders.start, "Set-Cookie: ")) {
adam@1671 1422 uw_write_script(ctx, "sig=\"");
adam@1671 1423 uw_write_script(ctx, ctx->app->cookie_sig(ctx));
adam@1671 1424 uw_write_script(ctx, "\";");
adam@1671 1425 }
adam@1671 1426
adam@1446 1427 return ctx->script.start;
adam@1446 1428 }
adam@1446 1429
adamc@695 1430 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695 1431 if (s[0] == 0)
adamc@695 1432 return "";
adamc@695 1433 else {
adamc@695 1434 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695 1435 sprintf(r, " onload='%s'", s);
adamc@695 1436 return r;
adamc@695 1437 }
adamc@695 1438 }
adamc@695 1439
adamc@1042 1440 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042 1441 if (ctx->script_header[0] == 0)
adamc@1042 1442 return "";
adamc@1042 1443 else {
vshabanoff@1763 1444 char *r = uw_malloc(ctx, 37 + strlen(s));
vshabanoff@1763 1445 sprintf(r, " onunload='unloading=true;%s;unload()'", s);
adamc@1042 1446 return r;
adamc@1042 1447 }
adamc@1042 1448 }
adamc@1042 1449
adamc@694 1450 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736 1451 if (ctx->client == NULL) {
adamc@736 1452 if (ctx->needs_sig) {
adamc@1094 1453 char *sig = ctx->app->cookie_sig(ctx);
adamc@736 1454 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736 1455 sprintf(r, "sig=\"%s\";", sig);
adamc@736 1456 return r;
adamc@736 1457 }
adamc@736 1458 else
adamc@736 1459 return "";
adamc@736 1460 } else {
adamc@1094 1461 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094 1462 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736 1463 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adam@1552 1464 sprintf(r, "isPost=%s;client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adam@1552 1465 (ctx->isPost ? "true" : "false"),
adamc@682 1466 ctx->client->id,
adamc@682 1467 ctx->client->pass,
adamc@1094 1468 ctx->app->url_prefix,
adamc@1094 1469 ctx->app->timeout,
adamc@736 1470 ctx->needs_sig ? "sig=\"" : "",
adamc@736 1471 sig,
adamc@736 1472 ctx->needs_sig ? "\";" : "");
adamc@679 1473 return r;
adamc@668 1474 }
adamc@667 1475 }
adamc@667 1476
adamc@574 1477 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 1478 char *r, *s2;
adamc@574 1479
adam@1446 1480 uw_check_heap(ctx, strlen(s) * 4 + 3);
adamc@574 1481
adamc@666 1482 r = s2 = ctx->heap.front;
adamc@574 1483 *s2++ = '"';
adamc@574 1484
adamc@574 1485 for (; *s; s++) {
adam@1286 1486 unsigned char c = *s;
adamc@574 1487
adamc@574 1488 switch (c) {
adamc@574 1489 case '"':
adamc@574 1490 strcpy(s2, "\\\"");
adamc@574 1491 s2 += 2;
adamc@574 1492 break;
adamc@1027 1493 case '\'':
adamc@1027 1494 strcpy(s2, "\\047");
adamc@1027 1495 s2 += 4;
adamc@1027 1496 break;
adamc@574 1497 case '\\':
adamc@574 1498 strcpy(s2, "\\\\");
adamc@574 1499 s2 += 2;
adamc@574 1500 break;
adam@1457 1501 case '<':
adam@1457 1502 strcpy(s2, "\\074");
adam@1457 1503 s2 += 4;
adam@1457 1504 break;
adamc@574 1505 default:
adam@1286 1506 if (isprint((int)c) || c >= 128)
adamc@574 1507 *s2++ = c;
adamc@574 1508 else {
adam@1429 1509 sprintf(s2, "\\%03o", c);
adamc@574 1510 s2 += 4;
adamc@574 1511 }
adamc@574 1512 }
adamc@574 1513 }
adamc@574 1514
adamc@574 1515 strcpy(s2, "\"");
adamc@910 1516 ctx->heap.front = s2 + 2;
adamc@574 1517 return r;
adamc@574 1518 }
adamc@574 1519
adam@1286 1520 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286 1521 unsigned char c = c1;
adamc@1025 1522 char *r, *s2;
adamc@1025 1523
adam@1446 1524 uw_check_heap(ctx, 7);
adamc@1025 1525
adamc@1025 1526 r = s2 = ctx->heap.front;
adamc@1025 1527 *s2++ = '"';
adamc@1025 1528
adamc@1025 1529 switch (c) {
adamc@1025 1530 case '"':
adamc@1025 1531 strcpy(s2, "\\\"");
adamc@1025 1532 s2 += 2;
adamc@1025 1533 break;
adamc@1027 1534 case '\'':
adamc@1027 1535 strcpy(s2, "\\047");
adamc@1027 1536 s2 += 4;
adamc@1027 1537 break;
adamc@1025 1538 case '\\':
adamc@1025 1539 strcpy(s2, "\\\\");
adamc@1025 1540 s2 += 2;
adamc@1025 1541 break;
adam@1457 1542 case '<':
adam@1457 1543 strcpy(s2, "\\074");
adam@1457 1544 s2 += 4;
adam@1457 1545 break;
adamc@1025 1546 default:
adam@1286 1547 if (isprint((int)c) || c >= 128)
adamc@1025 1548 *s2++ = c;
adamc@1025 1549 else {
adam@1429 1550 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1025 1551 s2 += 4;
adamc@1025 1552 }
adamc@1025 1553 }
adamc@1025 1554
adamc@1025 1555 strcpy(s2, "\"");
adamc@1025 1556 ctx->heap.front = s2 + 2;
adamc@1025 1557 return r;
adamc@1025 1558 }
adamc@1025 1559
adamc@574 1560 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 1561 char *r, *s2;
adamc@574 1562
adam@1446 1563 uw_check_script(ctx, strlen(s) * 4 + 3);
adamc@574 1564
adamc@666 1565 r = s2 = ctx->script.front;
adamc@574 1566 *s2++ = '"';
adamc@574 1567
adamc@574 1568 for (; *s; s++) {
adam@1286 1569 unsigned char c = *s;
adamc@574 1570
adamc@574 1571 switch (c) {
adamc@577 1572 case '\'':
adamc@1027 1573 strcpy(s2, "\\");
adamc@574 1574 s2 += 2;
adamc@574 1575 break;
adamc@574 1576 case '\\':
adamc@574 1577 strcpy(s2, "\\\\");
adamc@574 1578 s2 += 2;
adamc@574 1579 break;
adam@1457 1580 case '<':
adam@1457 1581 strcpy(s2, "\\074");
adam@1457 1582 s2 += 4;
adam@1457 1583 break;
adamc@574 1584 default:
adam@1286 1585 if (isprint((int)c) || c >= 128)
adamc@574 1586 *s2++ = c;
adamc@574 1587 else {
adam@1429 1588 sprintf(s2, "\\%03o", c);
adamc@574 1589 s2 += 4;
adamc@574 1590 }
adamc@574 1591 }
adamc@574 1592 }
adamc@574 1593
adamc@574 1594 strcpy(s2, "\"");
adamc@666 1595 ctx->script.front = s2 + 1;
adamc@574 1596 return r;
adamc@574 1597 }
adamc@574 1598
adamc@682 1599 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1600 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1601 return "null";
adamc@682 1602 else {
adamc@682 1603 int len;
adamc@682 1604 char *r;
adamc@682 1605
adamc@682 1606 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1607 r = ctx->heap.front;
adamc@682 1608 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1609 ctx->heap.front += len+1;
adamc@682 1610 return r;
adamc@682 1611 }
adamc@682 1612 }
adamc@682 1613
adam@1446 1614 uw_Basis_source uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 1615 int len;
adamc@577 1616 size_t s_len = strlen(s);
adamc@562 1617
grrwlf@1998 1618 if(ctx->id < 0)
grrwlf@1998 1619 uw_error(ctx, FATAL, "Attempt to create client source using inappropriate context");
grrwlf@1998 1620
adam@1446 1621 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1622 sprintf(ctx->script.front, "s%d_%llu=sc(exec(%n", ctx->id, ctx->source_count, &len);
adamc@666 1623 ctx->script.front += len;
adamc@666 1624 strcpy(ctx->script.front, s);
adamc@666 1625 ctx->script.front += s_len;
adamc@970 1626 strcpy(ctx->script.front, "));");
adamc@972 1627 ctx->script.front += 3;
adamc@562 1628
adam@1446 1629 uw_Basis_source r = {ctx->id, ctx->source_count++};
adam@1446 1630 return r;
adam@1446 1631 }
adam@1446 1632
adam@1446 1633 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_source src, uw_Basis_string s) {
adamc@577 1634 int len;
adamc@577 1635 size_t s_len = strlen(s);
adamc@577 1636
adam@1446 1637 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1638 sprintf(ctx->script.front, "sv(s%d_%llu,exec(%n", src.context, src.source, &len);
adamc@666 1639 ctx->script.front += len;
adamc@666 1640 strcpy(ctx->script.front, s);
adamc@666 1641 ctx->script.front += s_len;
adamc@970 1642 strcpy(ctx->script.front, "));");
adamc@972 1643 ctx->script.front += 3;
adamc@577 1644
adamc@577 1645 return uw_unit_v;
adamc@577 1646 }
adamc@577 1647
adamc@311 1648 static void uw_check(uw_context ctx, size_t extra) {
adam@1369 1649 ctx_uw_buffer_check(ctx, "page", &ctx->page, extra);
adamc@117 1650 }
adamc@117 1651
adamc@311 1652 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 1653 *(ctx->page.front)++ = c;
adam@1413 1654 *ctx->page.front = 0;
adamc@117 1655 }
adamc@117 1656
adamc@311 1657 void uw_writec(uw_context ctx, char c) {
adam@1413 1658 uw_check(ctx, 2);
adamc@311 1659 uw_writec_unsafe(ctx, c);
adamc@117 1660 }
adamc@117 1661
adamc@311 1662 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 1663 int len = strlen(s);
adamc@666 1664 memcpy(ctx->page.front, s, len);
adamc@666 1665 ctx->page.front += len;
adamc@117 1666 }
adamc@117 1667
adamc@311 1668 void uw_write(uw_context ctx, const char* s) {
adamc@311 1669 uw_check(ctx, strlen(s) + 1);
adamc@311 1670 uw_write_unsafe(ctx, s);
adamc@666 1671 *ctx->page.front = 0;
adamc@102 1672 }
adamc@106 1673
ziv@2204 1674 void uw_recordingStart(uw_context ctx) {
ziv@2204 1675 ctx->recording = ctx->page.front;
ziv@2204 1676 }
ziv@2204 1677
ziv@2204 1678 char *uw_recordingRead(uw_context ctx) {
ziv@2209 1679 return strdup(ctx->recording);
ziv@2204 1680 }
ziv@2204 1681
adamc@311 1682 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 1683 char *result;
adamc@136 1684 int len;
adamc@311 1685 uw_check_heap(ctx, INTS_MAX);
adamc@666 1686 result = ctx->heap.front;
adamc@276 1687 sprintf(result, "%lld%n", n, &len);
adamc@666 1688 ctx->heap.front += len+1;
adamc@136 1689 return result;
adamc@106 1690 }
adamc@106 1691
adamc@311 1692 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 1693 char *result;
adamc@136 1694 int len;
adamc@311 1695 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1696 result = ctx->heap.front;
adam@1920 1697 sprintf(result, "%.16g%n", n, &len);
adamc@666 1698 ctx->heap.front += len+1;
adamc@136 1699 return result;
adamc@106 1700 }
adamc@106 1701
adamc@311 1702 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 1703 int len = strlen(s);
adamc@136 1704 char *result, *p;
adamc@311 1705 uw_check_heap(ctx, len * 6 + 1);
adamc@136 1706
adamc@666 1707 result = p = ctx->heap.front;
adamc@136 1708
adamc@136 1709 for (; *s; s++) {
adamc@1054 1710 unsigned char c = *s;
adamc@136 1711
adamc@136 1712 if (c == '"') {
adamc@136 1713 strcpy(p, "&quot;");
adamc@136 1714 p += 6;
adamc@136 1715 } else if (c == '&') {
adamc@136 1716 strcpy(p, "&amp;");
adamc@136 1717 p += 5;
adamc@136 1718 }
adamc@1059 1719 else
adamc@136 1720 *p++ = c;
adamc@136 1721 }
adamc@136 1722
adamc@137 1723 *p++ = 0;
adamc@666 1724 ctx->heap.front = p;
adamc@136 1725 return result;
adamc@106 1726 }
adamc@106 1727
adamc@1011 1728 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 1729 char *result, *p;
adamc@1011 1730 uw_check_heap(ctx, 7);
adamc@1011 1731
adamc@1011 1732 result = p = ctx->heap.front;
adamc@1011 1733
adamc@1011 1734 if (c == '"') {
adamc@1011 1735 strcpy(p, "&quot;");
adamc@1011 1736 p += 6;
adamc@1011 1737 } else if (c == '&') {
adamc@1011 1738 strcpy(p, "&amp;");
adamc@1011 1739 p += 5;
adamc@1011 1740 }
adamc@1059 1741 else
adamc@1011 1742 *p++ = c;
adamc@1011 1743
adamc@1011 1744 *p++ = 0;
adamc@1011 1745 ctx->heap.front = p;
adamc@1011 1746 return result;
adamc@1011 1747 }
adamc@1011 1748
adamc@721 1749 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721 1750 return s;
adamc@721 1751 }
adamc@721 1752
adamc@311 1753 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 1754 int len;
adamc@117 1755
adamc@666 1756 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1757 ctx->page.front += len;
adamc@106 1758 }
adamc@106 1759
adamc@428 1760 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1761 uw_check(ctx, INTS_MAX);
adamc@311 1762 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 1763
adamc@428 1764 return uw_unit_v;
adamc@106 1765 }
adamc@106 1766
adamc@428 1767 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 1768 int len;
adamc@117 1769
adamc@311 1770 uw_check(ctx, FLOATS_MAX);
adamc@666 1771 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1772 ctx->page.front += len;
adamc@428 1773
adamc@428 1774 return uw_unit_v;
adamc@117 1775 }
adamc@117 1776
adamc@428 1777 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1778 uw_check(ctx, strlen(s) * 6);
adamc@117 1779
adamc@106 1780 for (; *s; s++) {
adamc@1054 1781 unsigned char c = *s;
adamc@106 1782
adamc@106 1783 if (c == '"')
adamc@311 1784 uw_write_unsafe(ctx, "&quot;");
adamc@136 1785 else if (c == '&')
adamc@311 1786 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1787 else
adamc@311 1788 uw_writec_unsafe(ctx, c);
adamc@106 1789 }
adamc@428 1790
adamc@428 1791 return uw_unit_v;
adamc@106 1792 }
adamc@120 1793
adamc@1011 1794 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011 1795 uw_check(ctx, 6);
adamc@1011 1796
adamc@1011 1797 if (c == '"')
adamc@1011 1798 uw_write_unsafe(ctx, "&quot;");
adamc@1011 1799 else if (c == '&')
adamc@1011 1800 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1801 else
adamc@1011 1802 uw_writec_unsafe(ctx, c);
adamc@1011 1803
adamc@1011 1804 return uw_unit_v;
adamc@1011 1805 }
adamc@1011 1806
adamc@120 1807
adamc@311 1808 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 1809 int len;
adamc@137 1810 char *r;
adamc@137 1811
adamc@311 1812 uw_check_heap(ctx, INTS_MAX);
adamc@666 1813 r = ctx->heap.front;
adamc@276 1814 sprintf(r, "%lld%n", n, &len);
adamc@666 1815 ctx->heap.front += len+1;
adamc@137 1816 return r;
adamc@120 1817 }
adamc@120 1818
adamc@682 1819 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1820 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1821 return "";
adamc@682 1822 else {
adamc@682 1823 int len;
adamc@682 1824 char *r;
adamc@679 1825
adamc@682 1826 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1827 r = ctx->heap.front;
adamc@682 1828 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1829 ctx->heap.front += len+1;
adamc@682 1830 return r;
adamc@682 1831 }
adamc@679 1832 }
adamc@679 1833
adamc@311 1834 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 1835 int len;
adamc@137 1836 char *r;
adamc@137 1837
adamc@311 1838 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1839 r = ctx->heap.front;
adamc@137 1840 sprintf(r, "%g%n", n, &len);
adamc@666 1841 ctx->heap.front += len+1;
adamc@137 1842 return r;
adamc@120 1843 }
adamc@120 1844
adamc@311 1845 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1846 char *r, *p;
adamc@137 1847
adamc@925 1848 if (s[0] == '\0')
adamc@925 1849 return "_";
adamc@925 1850
adamc@925 1851 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925 1852
adamc@925 1853 r = p = ctx->heap.front;
adamc@925 1854 if (s[0] == '_')
adamc@925 1855 *p++ = '_';
adamc@925 1856
adamc@925 1857 for (; *s; s++) {
adamc@1087 1858 unsigned char c = *s;
adamc@137 1859
adamc@137 1860 if (c == ' ')
adamc@137 1861 *p++ = '+';
adamc@137 1862 else if (isalnum(c))
adamc@137 1863 *p++ = c;
adamc@137 1864 else {
adamc@1259 1865 sprintf(p, ".%02X", c);
adamc@137 1866 p += 3;
adamc@137 1867 }
adamc@137 1868 }
adamc@137 1869
adamc@137 1870 *p++ = 0;
adamc@666 1871 ctx->heap.front = p;
adamc@137 1872 return r;
adamc@120 1873 }
adamc@120 1874
adamc@311 1875 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1876 if (b == uw_Basis_False)
adamc@186 1877 return "0";
adamc@186 1878 else
adamc@186 1879 return "1";
adamc@186 1880 }
adamc@186 1881
adam@1620 1882 char *uw_Basis_urlifySource(uw_context ctx, uw_Basis_source src) {
adam@1620 1883 char *r;
adam@1620 1884 int len;
adam@1620 1885 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1620 1886 r = ctx->heap.front;
adam@1620 1887 sprintf(r, "%d/%llu%n", src.context, src.source, &len);
adam@1620 1888 ctx->heap.front += len+1;
adam@1620 1889 return r;
adam@1620 1890 }
adam@1620 1891
adamc@311 1892 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1893 int len;
adamc@120 1894
adamc@666 1895 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1896 ctx->page.front += len;
adamc@120 1897 }
adamc@120 1898
adamc@428 1899 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1900 uw_check(ctx, INTS_MAX);
adamc@311 1901 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1902
adamc@428 1903 return uw_unit_v;
adamc@120 1904 }
adamc@120 1905
adamc@682 1906 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1907 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1908 int len;
phurst@1981 1909
adamc@682 1910 uw_check(ctx, INTS_MAX + 1);
adamc@682 1911 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1912 ctx->page.front += len;
adamc@682 1913 }
phurst@1981 1914
adamc@679 1915 return uw_unit_v;
adamc@679 1916 }
adamc@679 1917
adamc@428 1918 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1919 int len;
adamc@120 1920
adamc@311 1921 uw_check(ctx, FLOATS_MAX);
adamc@666 1922 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1923 ctx->page.front += len;
adamc@428 1924
adamc@428 1925 return uw_unit_v;
adamc@120 1926 }
adamc@120 1927
adamc@488 1928 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@1376 1929 return uw_Basis_urlifyInt(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adamc@488 1930 }
adamc@488 1931
adam@1404 1932 uw_unit uw_Basis_urlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1404 1933 return uw_Basis_urlifyInt_w(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adam@1404 1934 }
adam@1404 1935
adamc@428 1936 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925 1937 if (s[0] == '\0') {
adamc@925 1938 uw_check(ctx, 1);
adamc@925 1939 uw_writec_unsafe(ctx, '_');
adamc@925 1940 return uw_unit_v;
adamc@925 1941 }
adamc@925 1942
adamc@925 1943 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925 1944
adamc@925 1945 if (s[0] == '_')
adamc@925 1946 uw_writec_unsafe(ctx, '_');
adamc@120 1947
adamc@120 1948 for (; *s; s++) {
adamc@1087 1949 unsigned char c = *s;
adamc@120 1950
adamc@120 1951 if (c == ' ')
adamc@311 1952 uw_writec_unsafe(ctx, '+');
adamc@120 1953 else if (isalnum(c))
adamc@311 1954 uw_writec_unsafe(ctx, c);
adamc@120 1955 else {
adamc@1259 1956 sprintf(ctx->page.front, ".%02X", c);
adamc@666 1957 ctx->page.front += 3;
adamc@120 1958 }
adamc@120 1959 }
adamc@428 1960
adamc@428 1961 return uw_unit_v;
adamc@120 1962 }
adamc@120 1963
adamc@428 1964 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1965 if (b == uw_Basis_False)
adamc@311 1966 uw_writec(ctx, '0');
adamc@186 1967 else
adamc@311 1968 uw_writec(ctx, '1');
adamc@428 1969
adamc@428 1970 return uw_unit_v;
adamc@186 1971 }
adamc@186 1972
adam@1620 1973 uw_unit uw_Basis_urlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1620 1974 int len;
phurst@1981 1975
adam@1620 1976 uw_check(ctx, 2 * INTS_MAX + 2);
adam@1620 1977 sprintf(ctx->page.front, "%d/%llu%n", src.context, src.source, &len);
adam@1620 1978 ctx->page.front += len;
phurst@1981 1979
adam@1620 1980 return uw_unit_v;
adam@1620 1981 }
adam@1620 1982
adamc@120 1983
adamc@311 1984 static char *uw_unurlify_advance(char *s) {
adamc@144 1985 char *new_s = strchr(s, '/');
adamc@120 1986
adamc@120 1987 if (new_s)
adamc@120 1988 *new_s++ = 0;
adamc@120 1989 else
adamc@144 1990 new_s = strchr(s, 0);
adamc@144 1991
adamc@144 1992 return new_s;
adamc@144 1993 }
adamc@144 1994
adamc@311 1995 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 1996 char *new_s = uw_unurlify_advance(*s);
adamc@311 1997 uw_Basis_int r;
adamc@120 1998
adamc@276 1999 r = atoll(*s);
adamc@120 2000 *s = new_s;
adamc@120 2001 return r;
adamc@120 2002 }
adamc@120 2003
adamc@311 2004 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 2005 char *new_s = uw_unurlify_advance(*s);
adamc@311 2006 uw_Basis_float r;
adamc@120 2007
adamc@120 2008 r = atof(*s);
adamc@120 2009 *s = new_s;
adamc@120 2010 return r;
adamc@120 2011 }
adamc@120 2012
adamc@488 2013 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adam@1365 2014 uw_Basis_int n = uw_Basis_unurlifyInt(ctx, s);
adam@1365 2015 uw_Basis_time r = {n / 1000000, n % 1000000};
adam@1365 2016 return r;
adamc@488 2017 }
adamc@488 2018
adamc@1023 2019 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char *r, char *s) {
adamc@927 2020 char *s1, *s2 = s;
adamc@144 2021 int n;
adamc@136 2022
adamc@1023 2023 if (!fromClient) {
adamc@1023 2024 if (*s2 == '_')
adamc@1023 2025 ++s2;
adamc@1259 2026 else if ((s2[0] == '%' || s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@1023 2027 s2 += 3;
adamc@1023 2028 }
adamc@925 2029
adamc@927 2030 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087 2031 unsigned char c = *s2;
adamc@136 2032
adamc@136 2033 switch (c) {
adamc@136 2034 case '+':
adamc@136 2035 *s1 = ' ';
adamc@136 2036 break;
adamc@136 2037 case '%':
adamc@169 2038 if (s2[1] == 0)
adamc@311 2039 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 2040 if (s2[2] == 0)
adamc@311 2041 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 2042 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 2043 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@136 2044 *s1 = n;
adamc@136 2045 s2 += 2;
adamc@136 2046 break;
adamc@1259 2047 case '.':
adamc@1259 2048 if (!fromClient) {
adamc@1259 2049 if (s2[1] == 0)
adamc@1259 2050 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259 2051 if (s2[2] == 0)
adamc@1259 2052 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259 2053 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 2054 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@1259 2055 *s1 = n;
adamc@1259 2056 s2 += 2;
adamc@1259 2057 break;
adamc@1259 2058 }
adamc@136 2059 default:
adamc@136 2060 *s1 = c;
adamc@136 2061 }
adamc@136 2062 }
adamc@136 2063 *s1++ = 0;
adamc@144 2064 return s1;
adamc@144 2065 }
adamc@144 2066
adamc@311 2067 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 2068 char *new_s = uw_unurlify_advance(*s);
adamc@311 2069 uw_Basis_bool r;
phurst@1981 2070
adamc@186 2071 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 2072 r = uw_Basis_False;
adamc@186 2073 else
adamc@311 2074 r = uw_Basis_True;
adamc@186 2075
adamc@186 2076 *s = new_s;
adamc@186 2077 return r;
adamc@186 2078 }
adamc@186 2079
adamc@311 2080 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 2081 char *new_s = uw_unurlify_advance(*s);
adamc@1134 2082 char *r;
adamc@1134 2083 int len;
adamc@144 2084
adamc@200 2085 len = strlen(*s);
adamc@311 2086 uw_check_heap(ctx, len + 1);
adamc@144 2087
adamc@666 2088 r = ctx->heap.front;
adamc@1023 2089 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023 2090 *s = new_s;
adamc@1023 2091 return r;
adamc@1023 2092 }
adamc@1023 2093
adamc@1109 2094 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109 2095 *s = uw_unurlify_advance(*s);
adamc@1109 2096 return uw_unit_v;
adamc@1109 2097 }
adamc@1109 2098
adamc@1023 2099 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023 2100 char *new_s = uw_unurlify_advance(*s);
adamc@1134 2101 char *r;
adamc@1134 2102 int len;
adamc@1023 2103
adamc@1023 2104 len = strlen(*s);
adamc@1023 2105 uw_check_heap(ctx, len + 1);
adamc@1023 2106
adamc@1023 2107 r = ctx->heap.front;
adamc@1023 2108 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136 2109 *s = new_s;
adamc@136 2110 return r;
adamc@120 2111 }
adamc@135 2112
adamc@135 2113
adamc@311 2114 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 2115 int len;
adamc@286 2116 char *r;
adamc@286 2117
adamc@311 2118 uw_check_heap(ctx, INTS_MAX);
adamc@666 2119 r = ctx->heap.front;
adamc@286 2120 sprintf(r, "%lld%n", n, &len);
adamc@666 2121 ctx->heap.front += len+1;
adamc@286 2122 return r;
adamc@286 2123 }
adamc@286 2124
adamc@428 2125 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 2126 int len;
adamc@286 2127
adamc@311 2128 uw_check(ctx, INTS_MAX);
adamc@666 2129 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 2130 ctx->page.front += len;
phurst@1981 2131
adamc@428 2132 return uw_unit_v;
adamc@286 2133 }
adamc@286 2134
adam@1358 2135 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358 2136 unsigned int n = ch;
adam@1358 2137 int len;
adam@1358 2138 char *r;
adam@1358 2139
adam@1358 2140 uw_check_heap(ctx, INTS_MAX+3);
adam@1358 2141 r = ctx->heap.front;
adam@1358 2142 sprintf(r, "&#%u;%n", n, &len);
adam@1358 2143 ctx->heap.front += len+1;
adam@1358 2144 return r;
adam@1358 2145 }
adam@1358 2146
adam@1358 2147 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358 2148 unsigned int n = ch;
adam@1358 2149 int len;
adam@1358 2150
adam@1358 2151 uw_check(ctx, INTS_MAX+3);
adam@1358 2152 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358 2153 ctx->page.front += len;
adam@1358 2154 return uw_unit_v;
adam@1358 2155 }
adam@1358 2156
adamc@311 2157 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 2158 int len;
adamc@286 2159 char *r;
adamc@286 2160
adamc@311 2161 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2162 r = ctx->heap.front;
adamc@286 2163 sprintf(r, "%g%n", n, &len);
adamc@666 2164 ctx->heap.front += len+1;
adamc@286 2165 return r;
adamc@286 2166 }
adamc@286 2167
adamc@428 2168 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 2169 int len;
adamc@286 2170
adamc@311 2171 uw_check(ctx, FLOATS_MAX);
adamc@666 2172 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 2173 ctx->page.front += len;
adamc@428 2174
adamc@428 2175 return uw_unit_v;
adamc@286 2176 }
adamc@286 2177
adam@1365 2178 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time t) {
adam@1360 2179 int len;
adam@1360 2180 char *r;
adam@1360 2181
adam@1360 2182 uw_check_heap(ctx, INTS_MAX);
adam@1360 2183 r = ctx->heap.front;
adamc@1377 2184 sprintf(r, "%lld%n", (uw_Basis_int)t.seconds * 1000000 + t.microseconds, &len);
adam@1360 2185 ctx->heap.front += len+1;
adam@1360 2186 return r;
adam@1360 2187 }
adam@1360 2188
adam@1365 2189 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_int n) {
adam@1360 2190 int len;
adam@1360 2191
adam@1360 2192 uw_check(ctx, INTS_MAX);
adam@1360 2193 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360 2194 ctx->page.front += len;
phurst@1981 2195
adam@1360 2196 return uw_unit_v;
adam@1360 2197 }
adam@1360 2198
adam@1444 2199 char *uw_Basis_htmlifyString(uw_context ctx, const char *s) {
adamc@137 2200 char *r, *s2;
adamc@137 2201
adamc@311 2202 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 2203
adamc@666 2204 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054 2205 unsigned char c = *s;
adamc@137 2206
adamc@137 2207 switch (c) {
adamc@137 2208 case '<':
adamc@137 2209 strcpy(s2, "&lt;");
adamc@137 2210 s2 += 4;
adamc@137 2211 break;
adamc@137 2212 case '&':
adamc@137 2213 strcpy(s2, "&amp;");
adamc@137 2214 s2 += 5;
adamc@137 2215 break;
adamc@137 2216 default:
adamc@1059 2217 *s2++ = c;
adamc@137 2218 }
adamc@137 2219 }
adamc@137 2220
adamc@137 2221 *s2++ = 0;
adamc@666 2222 ctx->heap.front = s2;
adamc@137 2223 return r;
adamc@135 2224 }
adamc@135 2225
adamc@428 2226 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 2227 uw_check(ctx, strlen(s) * 6);
adamc@135 2228
adamc@135 2229 for (; *s; s++) {
adamc@1054 2230 unsigned char c = *s;
adamc@135 2231
adamc@135 2232 switch (c) {
adamc@135 2233 case '<':
adamc@311 2234 uw_write_unsafe(ctx, "&lt;");
adamc@135 2235 break;
adamc@135 2236 case '&':
adamc@311 2237 uw_write_unsafe(ctx, "&amp;");
adamc@135 2238 break;
adamc@135 2239 default:
adamc@1059 2240 uw_writec_unsafe(ctx, c);
adamc@135 2241 }
adamc@135 2242 }
adamc@428 2243
adamc@428 2244 return uw_unit_v;
adamc@135 2245 }
adamc@180 2246
adamc@311 2247 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2248 if (b == uw_Basis_False)
adamc@286 2249 return "False";
adamc@286 2250 else
adamc@286 2251 return "True";
adamc@286 2252 }
adamc@286 2253
adamc@428 2254 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 2255 if (b == uw_Basis_False) {
adamc@311 2256 uw_check(ctx, 6);
adamc@666 2257 strcpy(ctx->page.front, "False");
adamc@666 2258 ctx->page.front += 5;
adamc@286 2259 } else {
adamc@311 2260 uw_check(ctx, 5);
adamc@666 2261 strcpy(ctx->page.front, "True");
adamc@666 2262 ctx->page.front += 4;
adamc@286 2263 }
adamc@428 2264
adamc@428 2265 return uw_unit_v;
adamc@286 2266 }
adamc@286 2267
adamc@436 2268 #define TIME_FMT "%x %X"
adamc@438 2269 #define TIME_FMT_PG "%Y-%m-%d %T"
adam@1632 2270 #define TIME_FMT_JS "%Y/%m/%d %T"
adamc@436 2271
adam@1629 2272 uw_Basis_string uw_Basis_timeToString(uw_context, uw_Basis_time);
adam@1629 2273
adamc@436 2274 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adam@1629 2275 return uw_Basis_htmlifyString(ctx, uw_Basis_timeToString(ctx, t));
adamc@436 2276 }
adamc@436 2277
adamc@436 2278 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1629 2279 return uw_Basis_htmlifyString_w(ctx, uw_Basis_timeToString(ctx, t));
adamc@436 2280 }
adamc@436 2281
adam@1446 2282 char *uw_Basis_htmlifySource(uw_context ctx, uw_Basis_source src) {
adam@1446 2283 int len;
adam@1446 2284 char *r;
adam@1446 2285
adam@1446 2286 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1446 2287 r = ctx->heap.front;
adam@1446 2288 sprintf(r, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2289 ctx->heap.front += len+1;
adam@1446 2290 return r;
adam@1446 2291 }
adam@1446 2292
adam@1446 2293 uw_unit uw_Basis_htmlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1446 2294 int len;
adam@1446 2295
adam@1446 2296 uw_check(ctx, 2 * INTS_MAX + 1);
adam@1446 2297 sprintf(ctx->page.front, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2298 ctx->page.front += len;
phurst@1981 2299
adam@1446 2300 return uw_unit_v;
adam@1446 2301 }
adam@1446 2302
adamc@821 2303 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2304 while (n >= 0) {
adam@1388 2305 if (*s == 0)
adam@1388 2306 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adam@1388 2307
adam@1388 2308 if (n == 0)
adam@1388 2309 return *s;
adam@1388 2310
adam@1388 2311 --n;
adam@1388 2312 ++s;
adam@1388 2313 }
adam@1388 2314
adam@1388 2315 uw_error(ctx, FATAL, "Negative strsub bound");
adamc@821 2316 }
adamc@821 2317
adamc@821 2318 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2319 while (n >= 0) {
adam@1388 2320 if (*s == 0 || n == 0)
adam@1388 2321 return s;
adam@1388 2322
adam@1388 2323 --n;
adam@1388 2324 ++s;
adam@1388 2325 }
adam@1388 2326
adam@1388 2327 uw_error(ctx, FATAL, "Negative strsuffix bound");
adamc@821 2328 }
adamc@821 2329
adamc@828 2330 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 2331 return strlen(s);
adamc@828 2332 }
adamc@828 2333
adam@1388 2334 uw_Basis_bool uw_Basis_strlenGe(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2335 while (n > 0) {
adam@1388 2336 if (*s == 0)
adam@1388 2337 return uw_Basis_False;
adam@1388 2338
adam@1388 2339 --n;
adam@1388 2340 ++s;
adam@1388 2341 }
adam@1388 2342
adam@1388 2343 return uw_Basis_True;
adam@1388 2344 }
adam@1388 2345
adamc@829 2346 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2347 return strchr(s, ch);
adamc@829 2348 }
adamc@829 2349
adamc@831 2350 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 2351 return strcspn(s, chs);
adamc@831 2352 }
adamc@831 2353
adamc@829 2354 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2355 uw_Basis_string r = strchr(s, ch);
adamc@829 2356 if (r == NULL)
adamc@829 2357 return NULL;
adamc@829 2358 else {
adamc@829 2359 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 2360 *nr = r - s;
adamc@829 2361 return nr;
adamc@829 2362 }
adamc@829 2363 }
adamc@829 2364
adam@1390 2365 uw_Basis_int *uw_Basis_strsindex(uw_context ctx, const char *haystack, const char *needle) {
adam@1390 2366 uw_Basis_string r = strstr(haystack, needle);
adam@1390 2367 if (r == NULL)
adam@1390 2368 return NULL;
adam@1390 2369 else {
adam@1390 2370 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adam@1390 2371 *nr = r - haystack;
adam@1390 2372 return nr;
adam@1390 2373 }
adam@1390 2374 }
adam@1390 2375
adamc@311 2376 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 2377 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 2378 char *s;
adamc@180 2379
adamc@311 2380 uw_check_heap(ctx, len);
adamc@180 2381
adamc@666 2382 s = ctx->heap.front;
adamc@180 2383
adamc@180 2384 strcpy(s, s1);
adamc@180 2385 strcat(s, s2);
adamc@666 2386 ctx->heap.front += len;
adamc@180 2387
adamc@180 2388 return s;
adamc@180 2389 }
adamc@278 2390
adamc@829 2391 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 2392 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 2393
adamc@829 2394 if (start < 0)
adamc@829 2395 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 2396 if (len < 0)
adamc@829 2397 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 2398 if (start + len > full_len)
adamc@829 2399 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 2400
adamc@829 2401 if (start + len == full_len)
adamc@829 2402 return &s[start];
adamc@829 2403 else {
adamc@829 2404 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 2405 memcpy(r, s+start, len);
adamc@829 2406 r[len] = 0;
adamc@829 2407 return r;
adamc@829 2408 }
phurst@1981 2409
adamc@829 2410 }
adamc@829 2411
adamc@1023 2412 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023 2413 char *r;
adamc@1023 2414
adamc@1023 2415 uw_check_heap(ctx, 2);
adamc@1023 2416 r = ctx->heap.front;
adamc@1023 2417 r[0] = ch;
adamc@1023 2418 r[1] = 0;
adamc@1023 2419
adamc@1023 2420 ctx->heap.front += 2;
adamc@1023 2421
adamc@1023 2422 return r;
adamc@1023 2423 }
adamc@1023 2424
adamc@737 2425 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 2426 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 2427 char *s;
adamc@278 2428
adamc@311 2429 uw_check_heap(ctx, len);
adamc@278 2430
adamc@666 2431 s = ctx->heap.front;
adamc@278 2432
adamc@278 2433 strcpy(s, s1);
adamc@666 2434 ctx->heap.front += len;
adamc@278 2435
adamc@278 2436 return s;
adamc@278 2437 }
adamc@280 2438
adam@1295 2439 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295 2440 if (ctx->error_message[0]) {
adam@1295 2441 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295 2442 ctx->error_message[0] = 0;
adam@1295 2443 return s;
adam@1295 2444 } else
adam@1295 2445 return NULL;
adam@1295 2446 }
adam@1295 2447
adamc@737 2448 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 2449 if (s1)
adamc@737 2450 return uw_strdup(ctx, s1);
adamc@493 2451 else
adamc@493 2452 return NULL;
adamc@493 2453 }
adamc@493 2454
adamc@742 2455 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 2456 char *r = uw_malloc(ctx, len);
adamc@742 2457 memcpy(r, p, len);
adamc@742 2458 return r;
adamc@742 2459 }
adamc@280 2460
adamc@879 2461 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 2462
adamc@311 2463 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 2464 int len;
adamc@281 2465 char *r;
adamc@281 2466
adamc@311 2467 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 2468 r = ctx->heap.front;
adamc@879 2469 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 2470 ctx->heap.front += len+1;
adamc@281 2471 return r;
adamc@281 2472 }
adamc@281 2473
adamc@467 2474 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 2475 if (n == NULL)
adamc@467 2476 return "NULL";
adamc@467 2477 else
adamc@467 2478 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 2479 }
adamc@467 2480
adam@1920 2481 char *uw_sqlfmtFloat = "%.16g::float8%n";
adamc@879 2482
adamc@311 2483 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 2484 int len;
adamc@281 2485 char *r;
adamc@281 2486
adamc@311 2487 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 2488 r = ctx->heap.front;
adamc@879 2489 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 2490 ctx->heap.front += len+1;
adamc@281 2491 return r;
adamc@281 2492 }
adamc@281 2493
adamc@467 2494 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 2495 if (n == NULL)
adamc@467 2496 return "NULL";
adamc@467 2497 else
adamc@467 2498 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 2499 }
adamc@467 2500
adam@1834 2501 int uw_Estrings = 1, uw_sql_type_annotations = 1;
adamc@879 2502 char *uw_sqlsuffixString = "::text";
adamc@1011 2503 char *uw_sqlsuffixChar = "::char";
adamc@281 2504
adamc@311 2505 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 2506 char *r, *s2;
adamc@280 2507
adamc@879 2508 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 2509
adamc@666 2510 r = s2 = ctx->heap.front;
adamc@879 2511 if (uw_Estrings)
adamc@879 2512 *s2++ = 'E';
adamc@280 2513 *s2++ = '\'';
adamc@280 2514
adamc@280 2515 for (; *s; s++) {
adamc@280 2516 char c = *s;
adamc@280 2517
adamc@280 2518 switch (c) {
adamc@280 2519 case '\'':
adamc@885 2520 if (uw_Estrings)
adamc@885 2521 strcpy(s2, "\\'");
adamc@885 2522 else
adamc@885 2523 strcpy(s2, "''");
adamc@280 2524 s2 += 2;
adamc@280 2525 break;
adamc@280 2526 case '\\':
adamc@885 2527 if (uw_Estrings) {
adamc@885 2528 strcpy(s2, "\\\\");
adamc@885 2529 s2 += 2;
adamc@885 2530 } else
adamc@885 2531 *s2++ = '\\';
adamc@280 2532 break;
adamc@280 2533 default:
adamc@1150 2534 if (isprint((int)c))
adamc@280 2535 *s2++ = c;
adamc@879 2536 else if (uw_Estrings) {
adam@1857 2537 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@280 2538 s2 += 4;
adamc@280 2539 }
adamc@879 2540 else
adam@1689 2541 *s2++ = c; // I hope this is safe to do... don't know how to support UTF-8 outside Postgres otherwise!
adamc@280 2542 }
adamc@280 2543 }
adamc@280 2544
adamc@879 2545 *s2++ = '\'';
adamc@879 2546 strcpy(s2, uw_sqlsuffixString);
adamc@879 2547 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2548 return r;
adamc@280 2549 }
adamc@281 2550
adamc@1011 2551 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 2552 char *r, *s2;
adamc@1011 2553
adamc@1011 2554 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011 2555
adamc@1011 2556 r = s2 = ctx->heap.front;
adamc@1011 2557 if (uw_Estrings)
adamc@1011 2558 *s2++ = 'E';
adamc@1011 2559 *s2++ = '\'';
adamc@1011 2560
adamc@1011 2561 switch (c) {
adamc@1011 2562 case '\'':
adamc@1011 2563 if (uw_Estrings)
adamc@1011 2564 strcpy(s2, "\\'");
adamc@1011 2565 else
adamc@1011 2566 strcpy(s2, "''");
adamc@1011 2567 s2 += 2;
adamc@1011 2568 break;
adamc@1011 2569 case '\\':
adamc@1011 2570 if (uw_Estrings) {
adamc@1011 2571 strcpy(s2, "\\\\");
adamc@1011 2572 s2 += 2;
adamc@1011 2573 } else
adamc@1011 2574 *s2++ = '\\';
adamc@1011 2575 break;
adamc@1011 2576 default:
adamc@1150 2577 if (isprint((int)c))
adamc@1011 2578 *s2++ = c;
adamc@1011 2579 else if (uw_Estrings) {
adam@1857 2580 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1011 2581 s2 += 4;
adamc@1011 2582 }
adamc@1011 2583 else
adamc@1011 2584 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011 2585 }
adamc@1011 2586
adamc@1011 2587 *s2++ = '\'';
adamc@1011 2588 strcpy(s2, uw_sqlsuffixChar);
adamc@1011 2589 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011 2590 return r;
adamc@1011 2591 }
adamc@1011 2592
adamc@879 2593 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2594
adam@1867 2595 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2596 char *r, *s2;
adamc@737 2597 size_t i;
adamc@737 2598
adam@1867 2599 uw_check_heap(ctx, b.size * 5 + 4 + strlen(uw_sqlsuffixBlob));
adamc@737 2600
adamc@737 2601 r = s2 = ctx->heap.front;
adamc@879 2602 if (uw_Estrings)
adamc@879 2603 *s2++ = 'E';
adam@1867 2604 else
adam@1867 2605 *s2++ = 'X';
adamc@737 2606 *s2++ = '\'';
adamc@737 2607
adamc@737 2608 for (i = 0; i < b.size; ++i) {
adam@1867 2609 unsigned char c = b.data[i];
adam@1867 2610
adam@1867 2611 if (uw_Estrings) {
adam@1867 2612 switch (c) {
adam@1867 2613 case '\'':
adamc@885 2614 strcpy(s2, "\\'");
adam@1867 2615 s2 += 2;
adam@1867 2616 break;
adam@1867 2617 case '\\':
adamc@885 2618 strcpy(s2, "\\\\\\\\");
adamc@885 2619 s2 += 4;
adam@1867 2620 break;
adam@1867 2621 default:
adam@1867 2622 if (isprint((int)c))
adam@1867 2623 *s2++ = c;
adam@1867 2624 else {
adam@1867 2625 sprintf(s2, "\\\\%03o", c);
adam@1867 2626 s2 += 5;
adam@1867 2627 }
adamc@737 2628 }
adam@1867 2629 } else {
adam@1867 2630 sprintf(s2, "%02X", c);
adam@1867 2631 s2 += 2;
adamc@737 2632 }
phurst@1981 2633 }
adamc@737 2634
adamc@879 2635 *s2++ = '\'';
adamc@879 2636 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2637 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2638 return r;
adamc@737 2639 }
adamc@737 2640
adamc@682 2641 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2642 int len;
adamc@682 2643 char *r;
adamc@682 2644 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2645
adamc@682 2646 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2647 r = ctx->heap.front;
adamc@879 2648 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2649 ctx->heap.front += len+1;
adamc@682 2650 return r;
adamc@682 2651 }
adamc@682 2652
adamc@682 2653 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2654 int len;
adamc@682 2655 char *r;
adamc@682 2656 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2657
adamc@682 2658 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2659 r = ctx->heap.front;
adamc@682 2660 sprintf(r, "%lld%n", combo, &len);
adamc@682 2661 ctx->heap.front += len+1;
adamc@682 2662 return r;
adamc@682 2663 }
adamc@682 2664
adamc@879 2665 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2666
adamc@682 2667 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2668 int len;
adamc@682 2669 char *r;
adamc@682 2670
adamc@682 2671 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2672 r = ctx->heap.front;
adamc@879 2673 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2674 ctx->heap.front += len+1;
adamc@682 2675 return r;
adamc@682 2676 }
adamc@682 2677
adamc@682 2678 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2679 int len;
adamc@682 2680 char *r;
adamc@682 2681
adamc@682 2682 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2683 r = ctx->heap.front;
adamc@682 2684 sprintf(r, "%u%n", cli, &len);
adamc@682 2685 ctx->heap.front += len+1;
adamc@682 2686 return r;
adamc@682 2687 }
adamc@682 2688
adamc@467 2689 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2690 if (s == NULL)
adamc@467 2691 return "NULL";
adamc@467 2692 else
adamc@467 2693 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2694 }
adamc@467 2695
adamc@311 2696 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2697 if (b == uw_Basis_False)
adamc@281 2698 return "FALSE";
adamc@281 2699 else
adamc@281 2700 return "TRUE";
adamc@281 2701 }
adamc@282 2702
adamc@467 2703 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2704 if (b == NULL)
adamc@467 2705 return "NULL";
adamc@467 2706 else
adamc@467 2707 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2708 }
adamc@467 2709
adamc@439 2710 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2711 size_t len;
adamc@682 2712 char *r, *s;
adam@1392 2713 struct tm stm = {};
adam@1392 2714 stm.tm_isdst = -1;
adamc@682 2715
adam@1365 2716 if (localtime_r(&t.seconds, &stm)) {
adamc@682 2717 s = uw_malloc(ctx, TIMES_MAX);
adam@1364 2718 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1834 2719 if (uw_sql_type_annotations) {
adam@1834 2720 if (t.microseconds) {
adam@1834 2721 r = uw_malloc(ctx, len + 21);
adam@1834 2722 sprintf(r, "'%s.%06u'::timestamp", s, t.microseconds);
adam@1834 2723 } else {
adam@1834 2724 r = uw_malloc(ctx, len + 14);
adam@1834 2725 sprintf(r, "'%s'::timestamp", s);
adam@1834 2726 }
adam@1367 2727 } else {
adam@1834 2728 r = uw_malloc(ctx, len + 3);
adam@1834 2729 sprintf(r, "'%s'", s);
adam@1367 2730 }
adamc@682 2731 return r;
adamc@682 2732 } else
adamc@682 2733 return "<Invalid time>";
adamc@682 2734 }
adamc@682 2735
adamc@682 2736 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2737 size_t len;
adamc@439 2738 char *r;
adam@1392 2739 struct tm stm = {};
adam@1392 2740 stm.tm_isdst = -1;
adamc@439 2741
adam@1365 2742 if (localtime_r(&t.seconds, &stm)) {
adamc@439 2743 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2744 r = ctx->heap.front;
adamc@439 2745 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2746 ctx->heap.front += len+1;
adamc@439 2747 return r;
adamc@439 2748 } else
adamc@439 2749 return "<Invalid time>";
adamc@439 2750 }
adamc@439 2751
adam@1364 2752 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364 2753 size_t len;
adam@1364 2754 char *r;
adam@1392 2755 struct tm stm = {};
adam@1392 2756 stm.tm_isdst = -1;
adam@1364 2757
adam@1365 2758 if (localtime_r(&t.seconds, &stm)) {
adam@1364 2759 uw_check_heap(ctx, TIMES_MAX);
adam@1364 2760 r = ctx->heap.front;
adam@1365 2761 len = strftime(r, TIMES_MAX-7, TIME_FMT_PG, &stm);
adam@1365 2762 ctx->heap.front += len;
adam@1365 2763 sprintf(ctx->heap.front, ".%06u", t.microseconds);
adam@1365 2764 ctx->heap.front += 8;
adam@1364 2765 return r;
adam@1364 2766 } else
adam@1364 2767 return "<Invalid time>";
adam@1364 2768 }
adam@1364 2769
adamc@467 2770 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2771 if (t == NULL)
adamc@467 2772 return "NULL";
adamc@467 2773 else
adamc@467 2774 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2775 }
adamc@467 2776
adamc@311 2777 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2778 static uw_Basis_int true = 1;
adamc@311 2779 static uw_Basis_int false = 0;
adamc@282 2780
adamc@311 2781 if (b == uw_Basis_False)
adamc@282 2782 return (char *)&false;
adamc@282 2783 else
adamc@282 2784 return (char *)&true;
adamc@282 2785 }
adamc@284 2786
adamc@311 2787 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2788 int len;
adamc@284 2789 char *r;
adamc@284 2790
adamc@311 2791 uw_check_heap(ctx, INTS_MAX);
adamc@666 2792 r = ctx->heap.front;
adamc@284 2793 sprintf(r, "%lld%n", n, &len);
adamc@666 2794 ctx->heap.front += len+1;
adamc@284 2795 return r;
adamc@284 2796 }
adamc@285 2797
adamc@311 2798 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2799 int len;
adamc@285 2800 char *r;
adamc@285 2801
adamc@311 2802 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2803 r = ctx->heap.front;
adamc@285 2804 sprintf(r, "%g%n", n, &len);
adamc@666 2805 ctx->heap.front += len+1;
adamc@285 2806 return r;
adamc@285 2807 }
adamc@285 2808
adamc@821 2809 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2810 char *r = uw_malloc(ctx, 2);
adamc@821 2811 r[0] = ch;
adamc@821 2812 r[1] = 0;
adamc@821 2813 return r;
adamc@821 2814 }
adamc@821 2815
adamc@311 2816 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2817 if (b == uw_Basis_False)
adamc@285 2818 return "False";
adamc@285 2819 else
adamc@285 2820 return "True";
adamc@285 2821 }
adamc@288 2822
adam@1359 2823 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352 2824 size_t len;
adam@1352 2825 char *r;
adam@1392 2826 struct tm stm = {};
adam@1392 2827 stm.tm_isdst = -1;
adam@1352 2828
adam@1365 2829 if (localtime_r(&t.seconds, &stm)) {
adam@1352 2830 uw_check_heap(ctx, TIMES_MAX);
adam@1352 2831 r = ctx->heap.front;
adam@1352 2832 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352 2833 ctx->heap.front += len+1;
adam@1352 2834 return r;
adam@1352 2835 } else
adam@1352 2836 return "<Invalid time>";
adam@1352 2837 }
adam@1352 2838
adam@1629 2839 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adam@1629 2840 return uw_Basis_timef(ctx, ctx->app->time_format, t);
adam@1629 2841 }
adam@1629 2842
adamc@311 2843 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2844 char *endptr;
adamc@311 2845 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2846
adamc@288 2847 if (*s != '\0' && *endptr == '\0') {
adamc@311 2848 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2849 *r = n;
adamc@288 2850 return r;
adamc@288 2851 } else
adamc@288 2852 return NULL;
adamc@288 2853 }
adamc@289 2854
adamc@311 2855 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2856 char *endptr;
adamc@311 2857 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2858
adamc@289 2859 if (*s != '\0' && *endptr == '\0') {
adamc@311 2860 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2861 *r = n;
adamc@289 2862 return r;
adamc@289 2863 } else
adamc@289 2864 return NULL;
adamc@289 2865 }
adamc@289 2866
adamc@821 2867 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2868 if (s[0] == 0) {
adamc@821 2869 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2870 r[0] = 0;
adamc@821 2871 return r;
adamc@821 2872 } else if (s[1] != 0)
adamc@821 2873 return NULL;
adamc@821 2874 else {
adamc@821 2875 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2876 r[0] = s[0];
adamc@821 2877 return r;
adamc@821 2878 }
adamc@821 2879 }
adamc@821 2880
adamc@311 2881 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2882 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2883 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2884
adamc@289 2885 if (!strcasecmp (s, "True"))
adamc@289 2886 return &true;
adamc@289 2887 else if (!strcasecmp (s, "False"))
adamc@289 2888 return &false;
adamc@289 2889 else
adamc@289 2890 return NULL;
adamc@289 2891 }
adamc@292 2892
adamc@436 2893 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2894 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1374 2895 struct tm stm = {};
adam@1392 2896 stm.tm_isdst = -1;
adamc@436 2897
adamc@439 2898 if (dot) {
adamc@439 2899 *dot = 0;
adamc@439 2900 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2901 *dot = '.';
adamc@439 2902 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2903 r->seconds = mktime(&stm);
adam@1365 2904 r->microseconds = 0;
adamc@439 2905 return r;
adamc@439 2906 }
adamc@439 2907 else {
adamc@439 2908 *dot = '.';
adamc@439 2909 return NULL;
adamc@439 2910 }
adamc@436 2911 }
adamc@439 2912 else {
adamc@439 2913 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2914 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2915 r->seconds = mktime(&stm);
adam@1365 2916 r->microseconds = 0;
adamc@439 2917 return r;
adamc@439 2918 }
adamc@439 2919 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2920 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2921 r->seconds = mktime(&stm);
adam@1365 2922 r->microseconds = 0;
adamc@439 2923 return r;
adam@1632 2924 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632 2925 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1632 2926 r->seconds = mktime(&stm);
adam@1632 2927 r->microseconds = 0;
adam@1632 2928 return r;
adamc@439 2929 }
adamc@439 2930 else
adamc@439 2931 return NULL;
adamc@439 2932 }
adamc@436 2933 }
adamc@436 2934
adam@1352 2935 uw_Basis_time *uw_Basis_stringToTimef(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2936 char *end = strchr(s, 0);
adam@1374 2937 struct tm stm = {};
adam@1392 2938 stm.tm_isdst = -1;
adam@1352 2939
adam@1352 2940 if (strptime(s, fmt, &stm) == end) {
adam@1352 2941 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2942 r->seconds = mktime(&stm);
adam@1365 2943 r->microseconds = 0;
adam@1352 2944 return r;
adam@1352 2945 }
adam@1352 2946 else
adam@1352 2947 return NULL;
adam@1352 2948 }
adam@1352 2949
adamc@311 2950 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 2951 char *endptr;
adamc@311 2952 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 2953
adamc@292 2954 if (*s != '\0' && *endptr == '\0')
adamc@292 2955 return n;
adamc@292 2956 else
adam@1444 2957 uw_error(ctx, FATAL, "Can't parse int: %s", uw_Basis_htmlifyString(ctx, s));
adamc@292 2958 }
adamc@293 2959
adamc@682 2960 #include <errno.h>
adamc@682 2961
adamc@678 2962 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 2963 unsigned long long n;
adamc@682 2964
adamc@682 2965 if (sscanf(s, "%llu", &n) < 1)
adam@1444 2966 uw_error(ctx, FATAL, "Can't parse channel: %s", uw_Basis_htmlifyString(ctx, s));
adamc@682 2967 else {
adamc@682 2968 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 2969 return ch;
adamc@682 2970 }
adamc@682 2971 }
adamc@682 2972
adamc@682 2973 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 2974 char *endptr;
adamc@682 2975 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 2976
adamc@678 2977 if (*s != '\0' && *endptr == '\0')
adamc@678 2978 return n;
adamc@678 2979 else
adam@1444 2980 uw_error(ctx, FATAL, "Can't parse client: %s", uw_Basis_htmlifyString(ctx, s));
adamc@678 2981 }
adamc@678 2982
adamc@311 2983 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 2984 char *endptr;
adamc@311 2985 uw_Basis_float n = strtod(s, &endptr);
adamc@293 2986
adamc@293 2987 if (*s != '\0' && *endptr == '\0')
adamc@293 2988 return n;
adamc@293 2989 else
adam@1444 2990 uw_error(ctx, FATAL, "Can't parse float: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 2991 }
adamc@293 2992
adamc@821 2993 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 2994 if (s[0] == 0)
adamc@821 2995 return 0;
adamc@821 2996 else if (s[1] != 0)
adam@1444 2997 uw_error(ctx, FATAL, "Can't parse char: %s", uw_Basis_htmlifyString(ctx, s));
adamc@821 2998 else
adamc@821 2999 return s[0];
adamc@821 3000 }
adamc@821 3001
adamc@311 3002 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 3003 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 3004 return uw_Basis_True;
adamc@296 3005 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 3006 return uw_Basis_False;
adamc@293 3007 else
adam@1444 3008 uw_error(ctx, FATAL, "Can't parse bool: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 3009 }
adamc@436 3010
adam@1352 3011 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352 3012 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1352 3013 struct tm stm = {};
adam@1392 3014 stm.tm_isdst = -1;
adam@1352 3015
adam@1352 3016 if (dot) {
adam@1352 3017 *dot = 0;
adam@1352 3018 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352 3019 *dot = '.';
adam@1410 3020 char usec[] = "000000";
adam@1410 3021 int len = strlen(dot+1);
adam@1410 3022 memcpy(usec, dot+1, len < 6 ? len : 6);
adam@1410 3023 uw_Basis_time r = { mktime(&stm), atoi(usec) };
adam@1365 3024 return r;
adam@1352 3025 }
adam@1352 3026 else {
adam@1352 3027 *dot = '.';
adam@1444 3028 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 3029 }
adam@1352 3030 }
adam@1352 3031 else {
adam@1352 3032 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 3033 uw_Basis_time r = { mktime(&stm) };
adam@1365 3034 return r;
adam@1352 3035 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 3036 uw_Basis_time r = { mktime(&stm) };
adam@1365 3037 return r;
adam@1352 3038 } else
adam@1444 3039 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 3040 }
adam@1352 3041 }
adam@1352 3042
adamc@436 3043 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 3044 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 3045 struct tm stm = {};
adam@1392 3046 stm.tm_isdst = -1;
adamc@436 3047
adamc@438 3048 if (dot) {
adamc@438 3049 *dot = 0;
adamc@438 3050 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 3051 *dot = '.';
adam@1365 3052 {
adam@1365 3053 uw_Basis_time r = { mktime(&stm) };
adam@1365 3054 return r;
adam@1365 3055 }
adamc@438 3056 }
adamc@438 3057 else {
adamc@438 3058 *dot = '.';
adam@1444 3059 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 3060 }
adamc@438 3061 }
adamc@438 3062 else {
adam@1365 3063 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 3064 uw_Basis_time r = { mktime(&stm) };
adam@1365 3065 return r;
adam@1365 3066 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 3067 uw_Basis_time r = { mktime(&stm) };
adam@1365 3068 return r;
adam@1632 3069 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632 3070 uw_Basis_time r = { mktime(&stm) };
adam@1632 3071 return r;
adam@1365 3072 } else
adam@1444 3073 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 3074 }
adamc@436 3075 }
adamc@457 3076
adam@1352 3077 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 3078 char *end = strchr(s, 0);
adamc@939 3079 struct tm stm = {};
adam@1392 3080 stm.tm_isdst = -1;
adamc@939 3081
adam@1365 3082 if (strptime(s, fmt, &stm) == end) {
adam@1365 3083 uw_Basis_time r = { mktime(&stm) };
adam@1365 3084 return r;
adam@1365 3085 } else
adam@1444 3086 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@939 3087 }
adamc@939 3088
adamc@742 3089 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 3090 char *r = ctx->heap.front;
adamc@742 3091 uw_Basis_blob b = {len, r};
adamc@742 3092
adamc@742 3093 uw_check_heap(ctx, len);
adamc@742 3094
adam@1992 3095 if (s[0] == '\\' && s[1] == 'x') {
adam@1992 3096 s += 2;
adam@1992 3097
adam@1992 3098 while (*s) {
adam@1992 3099 int n;
adam@1992 3100 sscanf(s, "%02x", &n);
adam@1992 3101 *r++ = n;
adam@1992 3102 s += 2;
adam@1992 3103 }
adam@1992 3104 } else {
adam@1992 3105 while (*s) {
adam@1992 3106 if (s[0] == '\\') {
adam@1992 3107 if (s[1] == '\\') {
adam@1992 3108 *r++ = '\\';
adam@1992 3109 s += 2;
adam@1992 3110 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adam@1992 3111 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adam@1992 3112 s += 4;
adam@1992 3113 }
adam@1992 3114 else {
adam@1992 3115 *r++ = '\\';
adam@1992 3116 ++s;
adam@1992 3117 }
adam@1992 3118 } else {
adam@1992 3119 *r++ = s[0];
adamc@742 3120 ++s;
adamc@742 3121 }
adamc@742 3122 }
adamc@742 3123 }
adamc@742 3124
adamc@742 3125 b.size = r - ctx->heap.front;
adamc@742 3126 ctx->heap.front = r;
adam@1992 3127
adamc@742 3128 return b;
adamc@742 3129 }
adamc@742 3130
adam@1402 3131 #define THE_PAST "expires=Sat, 01-Jan-2011 00:00:00 GMT"
adamc@1052 3132
adamc@463 3133 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 3134 int len = strlen(c);
adamc@854 3135 char *p = ctx->outHeaders.start;
adamc@474 3136
adamc@1134 3137 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474 3138 char *p2;
adamc@474 3139 p += 13;
adamc@474 3140 p2 = strchr(p, '=');
adamc@474 3141
adamc@474 3142 if (p2) {
adamc@474 3143 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 3144
adamc@474 3145 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052 3146 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052 3147 return NULL;
adamc@1052 3148 else {
adamc@1052 3149 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052 3150 memcpy(ret, p2+1, sz);
adamc@1052 3151 ret[sz] = 0;
adamc@1052 3152 return ret;
adamc@1052 3153 }
adamc@474 3154 }
adamc@474 3155 }
adamc@474 3156 }
adamc@463 3157
adamc@1134 3158 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051 3159 char *p2;
adamc@1051 3160
adamc@854 3161 while (1) {
adamc@1051 3162 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134 3163 if ((p2 = strchr(p, ';'))) {
adamc@1051 3164 size_t n = p2 - (p + len);
adamc@1051 3165 char *r = uw_malloc(ctx, n);
adamc@1051 3166 memcpy(r, p + 1 + len, n-1);
adamc@1051 3167 r[n-1] = 0;
adamc@1051 3168 return r;
adamc@1051 3169 } else
adamc@1051 3170 return p + 1 + len;
adamc@1134 3171 } else if ((p = strchr(p, ';')))
adamc@854 3172 p += 2;
adamc@463 3173 else
adamc@463 3174 return NULL;
adamc@463 3175 }
adamc@463 3176 }
adamc@792 3177
adamc@792 3178 return NULL;
adamc@457 3179 }
adamc@462 3180
adam@1877 3181 static void set_cookie(uw_context ctx) {
adam@1877 3182 if (ctx->usedSig)
adam@1877 3183 ctx->needsResig = 1;
adam@1877 3184 }
adam@1877 3185
adamc@1050 3186 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 3187 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 3188 uw_write_header(ctx, c);
adamc@462 3189 uw_write_header(ctx, "=");
adamc@462 3190 uw_write_header(ctx, v);
adamc@466 3191 uw_write_header(ctx, "; path=");
adamc@466 3192 uw_write_header(ctx, prefix);
adamc@1050 3193 if (expires) {
adamc@1050 3194 char formatted[30];
adam@1392 3195 struct tm tm = {};
adam@1392 3196 tm.tm_isdst = -1;
adamc@1050 3197
adam@1365 3198 gmtime_r(&expires->seconds, &tm);
adamc@1050 3199
adamc@1050 3200 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050 3201
adamc@1050 3202 uw_write_header(ctx, "; expires=");
adamc@1050 3203 uw_write_header(ctx, formatted);
adamc@1050 3204 }
adamc@1050 3205 if (secure)
adamc@1050 3206 uw_write_header(ctx, "; secure");
adamc@462 3207 uw_write_header(ctx, "\r\n");
adam@1877 3208 set_cookie(ctx);
adamc@462 3209
adamc@462 3210 return uw_unit_v;
adamc@462 3211 }
adamc@667 3212
adamc@1050 3213 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050 3214 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050 3215 uw_write_header(ctx, c);
adamc@1050 3216 uw_write_header(ctx, "=; path=");
adamc@1050 3217 uw_write_header(ctx, prefix);
adamc@1052 3218 uw_write_header(ctx, "; " THE_PAST "\r\n");
adam@1877 3219 set_cookie(ctx);
adamc@1050 3220
adamc@1050 3221 return uw_unit_v;
adamc@1050 3222 }
adamc@1050 3223
adamc@1113 3224 size_t uw_deltas_max = SIZE_MAX;
adamc@1113 3225
adamc@682 3226 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 3227 unsigned i;
adamc@682 3228 delta *d;
adamc@671 3229
adamc@682 3230 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 3231 if (ctx->deltas[i].client == client)
adamc@682 3232 return &ctx->deltas[i];
adamc@671 3233
adamc@682 3234 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113 3235 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113 3236 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113 3237
adamc@682 3238 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adam@1369 3239 uw_buffer_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 3240 }
adamc@671 3241
adamc@682 3242 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 3243 d->client = client;
adam@1369 3244 uw_buffer_reset(&d->msgs);
adamc@682 3245 return d;
adamc@671 3246 }
adamc@671 3247
adamc@668 3248 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 3249 if (ctx->client == NULL)
adamc@682 3250 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 3251
adamc@682 3252 return new_channel(ctx->client);
adamc@668 3253 }
adamc@668 3254
adamc@668 3255 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 3256 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 3257 size_t len;
adamc@682 3258 int preLen;
adamc@682 3259 char pre[INTS_MAX + 2];
adamc@668 3260
adamc@682 3261 len = strlen(msg);
adamc@682 3262
adamc@682 3263 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 3264
adam@1369 3265 ctx_uw_buffer_append(ctx, "messages", &d->msgs, pre, preLen);
adam@1369 3266 ctx_uw_buffer_append(ctx, "messages", &d->msgs, msg, len);
adam@1369 3267 ctx_uw_buffer_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671 3268
adamc@671 3269 return uw_unit_v;
adamc@668 3270 }
adamc@671 3271
adam@1327 3272 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131 3273 int i;
adamc@1131 3274 cleanup *cl;
adamc@1131 3275
adamc@1131 3276 if (ctx->client)
adamc@1131 3277 release_client(ctx->client);
adamc@1131 3278
adamc@1131 3279 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131 3280 cl->func(cl->arg);
adamc@1131 3281
adamc@1131 3282 ctx->cleanup_front = ctx->cleanup;
adamc@1131 3283
adamc@1131 3284 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3285 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3286 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131 3287
adamc@1131 3288 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3289 if (ctx->transactionals[i].free)
adam@1327 3290 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131 3291
adam@1941 3292 if (ctx->app && ctx->transaction_started) {
adam@1941 3293 ctx->transaction_started = 0;
adam@1941 3294 return ctx->app->db_rollback(ctx);
adam@1941 3295 } else
adam@1941 3296 return 0;
adamc@1131 3297 }
adamc@1131 3298
adam@1956 3299 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 3300 const char uw_begin_html5[] = "<!DOCTYPE html><html>";
adam@1728 3301
adam@1877 3302 extern int uw_hash_blocksize;
adam@1877 3303
adam@1877 3304 static const char sig_intro[] = "<input type=\"hidden\" name=\"Sig\" value=\"";
adam@1877 3305
adam@1877 3306 static char *find_sig(char *haystack) {
adam@1877 3307 int i;
adam@1877 3308 char *s = strstr(haystack, sig_intro);
adam@1877 3309
adam@1877 3310 if (!s || strlen(haystack) - (s - haystack) - (sizeof sig_intro - 1) < uw_hash_blocksize*2+1)
adam@1877 3311 return NULL;
phurst@1981 3312
adam@1877 3313 s += sizeof sig_intro - 1;
adam@1877 3314
adam@1877 3315 for (i = 0; i < uw_hash_blocksize*2; ++i)
adam@1877 3316 if (!isxdigit((int)s[i]))
adam@1877 3317 return NULL;
adam@1877 3318
adam@1877 3319 if (s[i] != '"')
adam@1877 3320 return NULL;
adam@1877 3321
adam@1877 3322 return s;
adam@1877 3323 }
adam@1877 3324
adam@2033 3325 static pthread_mutex_t message_send_mutex = PTHREAD_MUTEX_INITIALIZER;
adam@2033 3326
adam@1938 3327 int uw_commit(uw_context ctx) {
adamc@1104 3328 int i;
adam@1877 3329 char *sig;
adamc@1104 3330
adamc@1131 3331 if (uw_has_error(ctx)) {
adam@1327 3332 uw_rollback(ctx, 0);
adam@1938 3333 return 0;
adamc@1131 3334 }
adamc@1131 3335
adamc@1104 3336 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3337 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3338 if (ctx->transactionals[i].commit) {
adamc@1083 3339 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3340 if (uw_has_error(ctx)) {
adam@1327 3341 uw_rollback(ctx, 0);
adam@1938 3342 return 0;
adamc@1131 3343 }
adamc@1131 3344 }
adamc@771 3345
adam@2033 3346 // Here's an important lock to provide the abstraction that all messages from one transaction are sent as an atomic unit.
adam@2033 3347 if (ctx->used_deltas > 0)
adam@2033 3348 pthread_mutex_lock(&message_send_mutex);
adam@2033 3349
adam@2000 3350 if (ctx->transaction_started) {
adam@2000 3351 int code = ctx->app->db_commit(ctx);
adam@2000 3352
adam@2000 3353 if (code) {
adam@2033 3354 if (ctx->used_deltas > 0)
adam@2033 3355 pthread_mutex_unlock(&message_send_mutex);
adam@2033 3356
adam@2000 3357 if (ctx->client)
adam@2000 3358 release_client(ctx->client);
adam@2000 3359
adam@2000 3360 if (code == -1) {
adam@2000 3361 // This case is for a serialization failure, which is not really an "error."
adam@2000 3362 // The transaction will restart, so we should rollback any transactionals
adam@2000 3363 // that triggered above.
adam@2000 3364
adam@2000 3365 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3366 if (ctx->transactionals[i].rollback != NULL)
adam@2000 3367 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adam@2000 3368
adam@2000 3369 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3370 if (ctx->transactionals[i].free)
adam@2000 3371 ctx->transactionals[i].free(ctx->transactionals[i].data, 1);
adam@2000 3372
grrwlf@2030 3373 return 1;
adam@2000 3374 }
adam@2000 3375
adam@2000 3376 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3377 if (ctx->transactionals[i].free)
adam@2000 3378 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adam@2000 3379
adam@2000 3380 uw_set_error_message(ctx, "Error running SQL COMMIT");
adam@2000 3381 return 0;
adam@2000 3382 }
adam@2000 3383 }
adam@2000 3384
adamc@1104 3385 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3386 if (ctx->transactionals[i].rollback == NULL)
adamc@1131 3387 if (ctx->transactionals[i].commit) {
adamc@1083 3388 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3389 if (uw_has_error(ctx)) {
adam@2033 3390 if (ctx->used_deltas > 0)
adam@2033 3391 pthread_mutex_unlock(&message_send_mutex);
adam@2033 3392
adam@2033 3393 if (ctx->client)
adam@2033 3394 release_client(ctx->client);
adam@2033 3395
adam@2033 3396 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2033 3397 if (ctx->transactionals[i].rollback != NULL)
adam@2033 3398 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adam@2033 3399
adam@2033 3400 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2033 3401 if (ctx->transactionals[i].free)
adam@2033 3402 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adam@2000 3403
adam@1938 3404 return 0;
adamc@1131 3405 }
adamc@1131 3406 }
adamc@1131 3407
adamc@682 3408 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 3409 delta *d = &ctx->deltas[i];
adamc@682 3410 client *c = find_client(d->client);
adamc@682 3411
adam@1551 3412 assert (c != NULL);
adam@1551 3413 assert(c->mode == USED);
adamc@682 3414
adam@1447 3415 client_send(c, &d->msgs, ctx->script.start, uw_buffer_used(&ctx->script));
adamc@682 3416 }
adamc@682 3417
adam@2033 3418 if (ctx->used_deltas > 0)
adam@2033 3419 pthread_mutex_unlock(&message_send_mutex);
adam@2033 3420
adamc@682 3421 if (ctx->client)
adamc@685 3422 release_client(ctx->client);
adamc@771 3423
adamc@1104 3424 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083 3425 if (ctx->transactionals[i].free)
adam@1327 3426 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916 3427
vshabanoff@1726 3428 uw_check(ctx, 1);
vshabanoff@1726 3429 *ctx->page.front = 0;
adam@1413 3430
adam@1956 3431 if (!ctx->returning_indirectly
adam@1956 3432 && (ctx->app->is_html5
adam@1956 3433 ? !strncmp(ctx->page.start, uw_begin_html5, sizeof uw_begin_html5 - 1)
adam@1956 3434 : !strncmp(ctx->page.start, uw_begin_xhtml, sizeof uw_begin_xhtml - 1))) {
adam@1728 3435 char *s;
adam@1728 3436
adam@1728 3437 // Splice script data into appropriate part of page, also adding <head> if needed.
adam@1956 3438 s = ctx->page.start + (ctx->app->is_html5 ? sizeof uw_begin_html5 - 1 : sizeof uw_begin_xhtml - 1);
adam@1728 3439 s = strchr(s, '<');
adam@1728 3440 if (s == NULL) {
adam@1728 3441 // Weird. Document has no tags!
adam@1728 3442
adam@1728 3443 uw_write(ctx, "<head></head><body></body>");
adam@1728 3444 uw_check(ctx, 1);
adam@1728 3445 *ctx->page.front = 0;
adam@1728 3446 } else if (!strncmp(s, "<head>", 6)) {
adam@1728 3447 // <head> is present. Let's add the <script> tags immediately after it.
adam@1728 3448
adam@1729 3449 // Any freeform JavaScript to include?
adam@1729 3450 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729 3451 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729 3452 size_t lenP = lenH + 40 + len;
adam@1729 3453 char *start = s + 6, *oldPage = ctx->page.start;
adam@1729 3454
adam@1729 3455 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3456 start += ctx->page.start - oldPage;
adam@1729 3457 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3458 ctx->page.front += lenP;
adam@1729 3459 memcpy(start, ctx->script_header, lenH);
adam@1729 3460 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adam@1729 3461 memcpy(start + lenH + 31, ctx->script.start, len);
adam@1729 3462 memcpy(start + lenH + 31 + len, "</script>", 9);
adam@1729 3463 } else {
adam@1729 3464 size_t lenH = strlen(ctx->script_header);
adam@1729 3465 char *start = s + 6, *oldPage = ctx->page.start;
adam@1729 3466
adam@1729 3467 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenH);
adam@1729 3468 start += ctx->page.start - oldPage;
adam@1729 3469 memmove(start + lenH, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3470 ctx->page.front += lenH;
adam@1729 3471 memcpy(start, ctx->script_header, lenH);
adam@1729 3472 }
adam@1728 3473 } else {
adam@1728 3474 // No <head>. At this point, add it, with <script> tags inside.
adam@1728 3475
adam@1729 3476 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729 3477 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729 3478 size_t lenP = lenH + 53 + len;
adam@1729 3479 char *start = s, *oldPage = ctx->page.start;
adam@1729 3480
adam@1729 3481 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3482 start += ctx->page.start - oldPage;
adam@1729 3483 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3484 ctx->page.front += lenP;
adam@1729 3485 memcpy(start, "<head>", 6);
adam@1729 3486 memcpy(start + 6, ctx->script_header, lenH);
adam@1729 3487 memcpy(start + 6 + lenH, "<script type=\"text/javascript\">", 31);
adam@1729 3488 memcpy(start + 6 + lenH + 31, ctx->script.start, len);
adam@1729 3489 memcpy(start + 6 + lenH + 31 + len, "</script></head>", 16);
adam@1729 3490 } else {
adam@1729 3491 size_t lenH = strlen(ctx->script_header);
adam@1729 3492 size_t lenP = lenH + 13;
adam@1729 3493 char *start = s, *oldPage = ctx->page.start;
adam@1729 3494
adam@1729 3495 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3496 start += ctx->page.start - oldPage;
adam@1729 3497 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3498 ctx->page.front += lenP;
adam@1729 3499 memcpy(start, "<head>", 6);
adam@1729 3500 memcpy(start + 6, ctx->script_header, lenH);
adam@1729 3501 memcpy(start + 6 + lenH, "</head>", 7);
adam@1729 3502 }
adamc@916 3503 }
adamc@916 3504 }
adam@1877 3505
adam@1877 3506 if (ctx->needsResig) {
adam@1877 3507 sig = find_sig(ctx->page.start);
adam@1877 3508 if (sig) {
adam@1877 3509 char *realsig = ctx->app->cookie_sig(ctx);
adam@1877 3510
adam@1877 3511 do {
adam@1877 3512 memcpy(sig, realsig, 2*uw_hash_blocksize);
adam@1877 3513 sig = find_sig(sig);
adam@1877 3514 } while (sig);
adam@1877 3515 }
adam@1877 3516 }
adam@1938 3517
adam@1938 3518 return 0;
adamc@671 3519 }
adamc@671 3520
adamc@683 3521
adamc@1113 3522 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113 3523
adam@2001 3524 int uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327 3525 uw_callback_with_retry free) {
adamc@771 3526 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113 3527 if (ctx->used_transactionals+1 > uw_transactionals_max)
adam@2001 3528 // Exceeded limit on number of transactionals.
adam@2001 3529 return -1;
adamc@1084 3530 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771 3531 ++ctx->n_transactionals;
adamc@771 3532 }
adamc@771 3533
adamc@771 3534 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 3535 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 3536 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 3537 ctx->transactionals[ctx->used_transactionals++].free = free;
adam@2001 3538
adam@2001 3539 return 0;
adamc@771 3540 }
adamc@771 3541
adamc@683 3542
adamc@683 3543 // "Garbage collection"
adamc@683 3544
adamc@1121 3545 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121 3546 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121 3547
adamc@1121 3548 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683 3549 int r = setjmp(ctx->jmp_buf);
adamc@683 3550
adamc@1121 3551 if (r == 0)
adamc@1121 3552 uw_do_expunge(ctx, cli, data);
adamc@1121 3553 else
adamc@1121 3554 ctx->app->db_rollback(ctx);
adamc@1121 3555
adamc@1121 3556 uw_post_expunge(ctx, data);
adamc@683 3557
adamc@683 3558 return r;
adamc@683 3559 }
adamc@683 3560
adamc@683 3561 void uw_prune_clients(uw_context ctx) {
adamc@683 3562 client *c, *next, *prev = NULL;
adamc@683 3563 time_t cutoff;
adamc@683 3564
adamc@1094 3565 cutoff = time(NULL) - ctx->app->timeout;
adamc@683 3566
adamc@683 3567 pthread_mutex_lock(&clients_mutex);
adam@1707 3568 pruning_thread = pthread_self();
adam@1707 3569 pruning_thread_initialized = 1;
adamc@683 3570
adamc@683 3571 for (c = clients_used; c; c = next) {
adamc@683 3572 next = c->next;
adamc@683 3573 pthread_mutex_lock(&c->lock);
adamc@685 3574 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 3575 failure_kind fk = UNLIMITED_RETRY;
adamc@683 3576 if (prev)
adamc@683 3577 prev->next = next;
adamc@683 3578 else
adamc@683 3579 clients_used = next;
adamc@683 3580 while (fk == UNLIMITED_RETRY) {
adam@1941 3581 uw_reset(ctx);
adamc@1121 3582 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121 3583 if (fk == UNLIMITED_RETRY)
adamc@684 3584 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 3585 }
adamc@684 3586 if (fk == SUCCESS)
adamc@684 3587 free_client(c);
adamc@1121 3588 else
adamc@856 3589 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683 3590 }
adamc@683 3591 else
adamc@683 3592 prev = c;
adamc@683 3593 pthread_mutex_unlock(&c->lock);
adamc@683 3594 }
adamc@683 3595
adamc@683 3596 pthread_mutex_unlock(&clients_mutex);
adamc@683 3597 }
adamc@687 3598
adamc@687 3599 failure_kind uw_initialize(uw_context ctx) {
adamc@687 3600 int r = setjmp(ctx->jmp_buf);
adamc@687 3601
adamc@687 3602 if (r == 0) {
adam@1936 3603 uw_ensure_transaction(ctx);
adamc@1094 3604 ctx->app->initializer(ctx);
adamc@1094 3605 if (ctx->app->db_commit(ctx))
adamc@687 3606 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 3607 }
adamc@687 3608
adamc@687 3609 return r;
adamc@687 3610 }
adamc@717 3611
adamc@1065 3612 static int url_bad(uw_Basis_string s) {
adamc@1065 3613 for (; *s; ++s)
adamc@1153 3614 if (!isgraph((int)*s))
adamc@1065 3615 return 1;
adamc@1065 3616
adamc@1065 3617 return 0;
adamc@1065 3618 }
adamc@1065 3619
adamc@717 3620 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065 3621 if (url_bad(s))
adamc@1065 3622 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094 3623 if (ctx->app->check_url(s))
adamc@770 3624 return s;
adamc@770 3625 else
adamc@770 3626 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 3627 }
adamc@734 3628
adamc@770 3629 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065 3630 if (url_bad(s))
adamc@1065 3631 return NULL;
adamc@1094 3632 if (ctx->app->check_url(s))
adamc@770 3633 return s;
adamc@770 3634 else
adamc@770 3635 return NULL;
adamc@770 3636 }
adamc@770 3637
adam@1465 3638 static int mime_format(const char *s) {
adamc@770 3639 for (; *s; ++s)
grrwlf@2024 3640 if (!isalnum((int)*s) && *s != '/' && *s != '-' && *s != '.' && *s != '+')
adamc@770 3641 return 0;
adamc@770 3642
adamc@770 3643 return 1;
adamc@770 3644 }
adamc@770 3645
adamc@741 3646 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3647 if (!mime_format(s))
adamc@770 3648 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 3649
adamc@1094 3650 if (ctx->app->check_mime(s))
adamc@770 3651 return s;
adamc@770 3652 else
adamc@770 3653 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 3654 }
adamc@770 3655
adamc@770 3656 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3657 if (!mime_format(s))
adamc@770 3658 return NULL;
adamc@770 3659
adamc@1094 3660 if (ctx->app->check_mime(s))
adamc@770 3661 return s;
adamc@770 3662 else
adamc@770 3663 return NULL;
adamc@741 3664 }
adamc@741 3665
adam@1465 3666 uw_Basis_string uw_Basis_blessRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3667 if (!mime_format(s))
adam@1465 3668 uw_error(ctx, FATAL, "Request header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3669
adam@1465 3670 if (ctx->app->check_requestHeader(s))
adam@1465 3671 return s;
adam@1465 3672 else
adam@1465 3673 uw_error(ctx, FATAL, "Disallowed request header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3674 }
adam@1465 3675
adam@1465 3676 uw_Basis_string uw_Basis_checkRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3677 if (!mime_format(s))
adam@1465 3678 return NULL;
adam@1465 3679
adam@1465 3680 if (ctx->app->check_requestHeader(s))
adam@1465 3681 return s;
adam@1465 3682 else
adam@1465 3683 return NULL;
adam@1465 3684 }
adam@1465 3685
adam@1465 3686 uw_Basis_string uw_Basis_blessResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3687 if (!mime_format(s))
adam@1465 3688 uw_error(ctx, FATAL, "Response header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3689
adam@1465 3690 if (ctx->app->check_responseHeader(s))
adam@1465 3691 return s;
adam@1465 3692 else
adam@1465 3693 uw_error(ctx, FATAL, "Disallowed response header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3694 }
adam@1465 3695
adam@1799 3696 static int envVar_format(const char *s) {
adam@1799 3697 for (; *s; ++s)
adam@1799 3698 if (!isalnum((int)*s) && *s != '_' && *s != '.')
adam@1799 3699 return 0;
adam@1799 3700
adam@1799 3701 return 1;
adam@1799 3702 }
adam@1799 3703
adam@1465 3704 uw_Basis_string uw_Basis_checkResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1799 3705 if (!envVar_format(s))
adam@1465 3706 return NULL;
adam@1465 3707
adam@1465 3708 if (ctx->app->check_responseHeader(s))
adam@1465 3709 return s;
adam@1465 3710 else
adam@1465 3711 return NULL;
adam@1465 3712 }
adam@1465 3713
adam@1799 3714 uw_Basis_string uw_Basis_blessEnvVar(uw_context ctx, uw_Basis_string s) {
adam@1799 3715 if (!envVar_format(s))
adam@1799 3716 uw_error(ctx, FATAL, "Environment variable \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1799 3717
adam@1799 3718 if (ctx->app->check_envVar(s))
adam@1799 3719 return s;
adam@1799 3720 else
adam@1799 3721 uw_error(ctx, FATAL, "Disallowed environment variable %s", uw_Basis_htmlifyString(ctx, s));
adam@1799 3722 }
adam@1799 3723
adam@1799 3724 uw_Basis_string uw_Basis_checkEnvVar(uw_context ctx, uw_Basis_string s) {
adam@1799 3725 if (!mime_format(s))
adam@1799 3726 return NULL;
adam@1799 3727
adam@1799 3728 if (ctx->app->check_envVar(s))
adam@1799 3729 return s;
adam@1799 3730 else
adam@1799 3731 return NULL;
adam@1799 3732 }
adam@1799 3733
adam@1465 3734 uw_Basis_string uw_Basis_getHeader(uw_context ctx, uw_Basis_string name) {
adam@1465 3735 return uw_Basis_requestHeader(ctx, name);
adam@1465 3736 }
adam@1465 3737
adam@1465 3738 static int mime_value_format(const char *s) {
adam@1465 3739 for (; *s; ++s)
adam@1465 3740 if (*s == '\r' || *s == '\n')
adam@1465 3741 return 0;
adam@1465 3742
adam@1465 3743 return 1;
adam@1465 3744 }
adam@1465 3745
adam@1465 3746 uw_unit uw_Basis_setHeader(uw_context ctx, uw_Basis_string name, uw_Basis_string value) {
adam@1465 3747 if (!mime_value_format(value))
adam@1465 3748 uw_error(ctx, FATAL, "Invalid value for HTTP response header");
adam@1465 3749
adam@1465 3750 uw_write_header(ctx, name);
adam@1465 3751 uw_write_header(ctx, ": ");
adam@1465 3752 uw_write_header(ctx, value);
adam@1465 3753 uw_write_header(ctx, "\r\n");
adam@1465 3754
adam@1465 3755 return uw_unit_v;
adam@1465 3756 }
adam@1465 3757
adam@1799 3758 uw_Basis_string uw_Basis_getenv(uw_context ctx, uw_Basis_string name) {
adam@1993 3759 if (ctx->get_env)
adam@1993 3760 return ctx->get_env(ctx->get_env_data, name);
adam@1993 3761 else
adam@1994 3762 return getenv(name);
adam@1799 3763 }
adam@1799 3764
adamc@734 3765 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 3766 return s ? s : "";
adamc@734 3767 }
adamc@734 3768
adamc@734 3769 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 3770 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 3771 int i;
phurst@1981 3772
adamc@734 3773 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 3774 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 3775
adamc@734 3776 return r;
adamc@734 3777 }
adamc@734 3778
adam@1512 3779 /* This bit of crafty code is intended to prevent GCC from performing
adam@1512 3780 * optimizations that would enable timing attacks. See:
adam@1512 3781 * http://www.impredicative.com/pipermail/ur/2011-July/000659.html
adam@1512 3782 */
adam@1512 3783 int uw_streq(uw_Basis_string s1, uw_Basis_string s2) {
adam@1512 3784 int i, x = 0, len1 = strlen(s1);
adam@1512 3785
adam@1512 3786 if (len1 != strlen(s2)) return 0;
adam@1512 3787
adam@1512 3788 for (i = 0; i < len1; ++i) {
adam@1512 3789 __asm__ __volatile__ ("");
adam@1512 3790 x |= s1[i] ^ s2[i];
adam@1512 3791 }
adam@1512 3792
adam@1512 3793 return x == 0;
adam@1512 3794 }
adam@1512 3795
adamc@734 3796 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adam@1877 3797 ctx->usedSig = 1;
adamc@1094 3798 return ctx->app->cookie_sig(ctx);
adamc@734 3799 }
adamc@737 3800
adamc@737 3801 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 3802 return f.name;
adamc@737 3803 }
adamc@737 3804
adamc@740 3805 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 3806 return f.type;
adamc@740 3807 }
adamc@740 3808
adamc@745 3809 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 3810 return b.size;
adamc@745 3811 }
adamc@745 3812
adamc@1119 3813 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119 3814 uw_Basis_blob b = {strlen(s), s};
adamc@1119 3815
adamc@1119 3816 return b;
adamc@1119 3817 }
adamc@1119 3818
adamc@737 3819 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 3820 return f.data;
adamc@737 3821 }
adamc@741 3822
adam@1347 3823 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3824 return pb.type;
adam@1347 3825 }
adam@1347 3826
adam@1347 3827 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3828 return pb.data;
adam@1347 3829 }
adam@1347 3830
adam@1471 3831 static char *old_headers(uw_context ctx) {
adam@1471 3832 if (uw_buffer_used(&ctx->outHeaders) == 0)
adam@1471 3833 return NULL;
adam@1471 3834 else {
adam@1471 3835 char *s = strchr(ctx->outHeaders.start, '\n');
adam@1471 3836
adam@1471 3837 if (s == NULL || strncasecmp(s+1, "Content-type: ", 14))
adam@1471 3838 return NULL;
adam@1471 3839 else {
adam@1471 3840 s = strchr(s+15, '\n');
adam@1471 3841 if (s == NULL)
adam@1471 3842 return NULL;
adam@1471 3843 else
adam@1471 3844 return uw_strdup(ctx, s+1);
adam@1471 3845 }
adam@1471 3846 }
adam@1471 3847 }
adam@1471 3848
adamc@741 3849 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 3850 cleanup *cl;
adamc@741 3851 int len;
adam@1471 3852 char *oldh;
adamc@741 3853
adam@1451 3854 if (!ctx->allowed_to_return_indirectly)
adam@1451 3855 uw_error(ctx, FATAL, "Tried to return a blob from an RPC");
adam@1451 3856
adamc@1065 3857 ctx->returning_indirectly = 1;
adam@1471 3858 oldh = old_headers(ctx);
adam@1369 3859 uw_buffer_reset(&ctx->outHeaders);
adam@1369 3860 uw_buffer_reset(&ctx->page);
adamc@741 3861
adamc@856 3862 uw_write_header(ctx, on_success);
adamc@856 3863 uw_write_header(ctx, "Content-Type: ");
adamc@741 3864 uw_write_header(ctx, mimeType);
adam@1934 3865 uw_write_header(ctx, "\r\nContent-length: ");
adam@1369 3866 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134 3867 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741 3868 ctx->outHeaders.front += len;
adamc@1066 3869 uw_write_header(ctx, "\r\n");
adam@1471 3870 if (oldh) uw_write_header(ctx, oldh);
adamc@741 3871
adam@1369 3872 ctx_uw_buffer_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741 3873
adamc@741 3874 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 3875 cl->func(cl->arg);
adamc@741 3876
adamc@741 3877 ctx->cleanup_front = ctx->cleanup;
adamc@741 3878
adamc@1065 3879 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065 3880 }
adamc@1065 3881
adam@2046 3882 void uw_replace_page(uw_context ctx, const char *data, size_t size) {
adam@2046 3883 uw_buffer_reset(&ctx->page);
adam@2046 3884 ctx_uw_buffer_append(ctx, "page", &ctx->page, data, size);
adam@2046 3885 }
adam@2046 3886
adam@1932 3887 __attribute__((noreturn)) void uw_return_blob_from_page(uw_context ctx, uw_Basis_string mimeType) {
adam@1932 3888 cleanup *cl;
adam@1932 3889 int len;
adam@1932 3890 char *oldh;
adam@1932 3891
adam@1932 3892 if (!ctx->allowed_to_return_indirectly)
adam@1932 3893 uw_error(ctx, FATAL, "Tried to return a blob from an RPC");
adam@1932 3894
adam@1932 3895 ctx->returning_indirectly = 1;
adam@1932 3896 oldh = old_headers(ctx);
adam@1932 3897 uw_buffer_reset(&ctx->outHeaders);
adam@1932 3898
adam@1932 3899 uw_write_header(ctx, on_success);
adam@1932 3900 uw_write_header(ctx, "Content-Type: ");
adam@1932 3901 uw_write_header(ctx, mimeType);
adam@1934 3902 uw_write_header(ctx, "\r\nContent-length: ");
adam@1932 3903 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adam@1932 3904 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)uw_buffer_used(&ctx->page), &len);
adam@1932 3905 ctx->outHeaders.front += len;
adam@1932 3906 uw_write_header(ctx, "\r\n");
adam@1932 3907 if (oldh) uw_write_header(ctx, oldh);
adam@1932 3908
adam@1932 3909 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adam@1932 3910 cl->func(cl->arg);
adam@1932 3911
adam@1932 3912 ctx->cleanup_front = ctx->cleanup;
adam@1932 3913
adam@1932 3914 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adam@1932 3915 }
adam@1932 3916
adamc@1065 3917 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065 3918 cleanup *cl;
adamc@1066 3919 char *s;
adam@1471 3920 char *oldh;
adamc@1065 3921
adam@1451 3922 if (!ctx->allowed_to_return_indirectly)
adam@1451 3923 uw_error(ctx, FATAL, "Tried to redirect from an RPC");
adam@1451 3924
adamc@1065 3925 ctx->returning_indirectly = 1;
adam@1471 3926 oldh = old_headers(ctx);
adam@1369 3927 uw_buffer_reset(&ctx->page);
adam@1369 3928 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->outHeaders)+1);
adam@1369 3929 memcpy(ctx->page.start, ctx->outHeaders.start, uw_buffer_used(&ctx->outHeaders));
adam@1369 3930 ctx->page.start[uw_buffer_used(&ctx->outHeaders)] = 0;
adam@1369 3931 uw_buffer_reset(&ctx->outHeaders);
adamc@1065 3932
adam@1409 3933 if (on_success[0])
adam@1409 3934 uw_write_header(ctx, on_redirect);
adam@1409 3935 else
adam@1409 3936 uw_write_header(ctx, "Status: 303 See Other\r\n");
adam@1409 3937 s = on_success[0] ? strchr(ctx->page.start, '\n') : ctx->page.start;
adamc@1066 3938 if (s) {
adamc@1066 3939 char *s2;
adam@1409 3940 if (s[0] == '\n') ++s;
adam@1409 3941 for (; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066 3942 *s2 = 0;
adamc@1066 3943 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066 3944 uw_write_header(ctx, s);
adamc@1066 3945 uw_write_header(ctx, "\n");
adamc@1066 3946 }
adamc@1066 3947 }
adamc@1066 3948 }
adamc@1066 3949
adamc@1065 3950 uw_write_header(ctx, "Location: ");
adamc@1065 3951 uw_write_header(ctx, url);
adamc@1065 3952 uw_write_header(ctx, "\r\n\r\n");
adam@1471 3953 if (oldh) uw_write_header(ctx, oldh);
adamc@1065 3954
adamc@1065 3955 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065 3956 cl->func(cl->arg);
adamc@1065 3957
adamc@1065 3958 ctx->cleanup_front = ctx->cleanup;
adamc@1065 3959
adamc@1065 3960 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741 3961 }
adamc@874 3962
adamc@874 3963 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adam@1467 3964 uw_Basis_string ret = uw_malloc(ctx, strlen(s) + 1), r = ret;
adamc@874 3965
adamc@874 3966 for (; *s; ++s) {
adamc@874 3967 if (s[0] == '\'') {
adamc@874 3968 *r++ = '\'';
adamc@874 3969 for (++s; *s; ++s) {
adamc@874 3970 if (s[0] == '\'') {
adamc@874 3971 *r++ = '\'';
adamc@874 3972 break;
adamc@874 3973 } else if (s[0] == '\\') {
adam@1467 3974 *r++ = '\\';
adam@1467 3975 *r++ = s[1];
adam@1467 3976 ++s;
adamc@874 3977 } else
adamc@874 3978 *r++ = s[0];
adamc@874 3979 }
adamc@874 3980 if (*s == 0) break;
adam@1467 3981 } else if (s[0] == 'T' && s[1] == '_' && s[2] == 'T' && s[3] == '.')
adam@1467 3982 s += 3;
adamc@874 3983 else
adamc@874 3984 *r++ = s[0];
adamc@874 3985 }
adamc@874 3986
adam@1467 3987 *r = 0;
adam@1467 3988 return ret;
adamc@874 3989 }
adamc@874 3990
adamc@922 3991 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922 3992 va_list ap;
adamc@922 3993 size_t len = 1;
adamc@922 3994 char *s, *r, *s2;
phurst@1981 3995
adamc@922 3996 va_start(ap, ctx);
adamc@922 3997 for (s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3998 len += strlen(s);
adamc@922 3999 va_end(ap);
adamc@922 4000
adamc@922 4001 r = uw_malloc(ctx, len);
adamc@922 4002 va_start(ap, ctx);
adamc@922 4003 for (s2 = r, s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 4004 while (*s)
adamc@922 4005 *s2++ = *s++;
adamc@922 4006 va_end(ap);
adamc@922 4007 *s2 = 0;
adamc@922 4008
adamc@922 4009 return r;
adamc@922 4010 }
adamc@1006 4011
adam@1365 4012 const uw_Basis_time uw_Basis_minTime = {};
adamc@1050 4013
adamc@1006 4014 uw_Basis_time uw_Basis_now(uw_context ctx) {
adam@1365 4015 uw_Basis_time r = { time(NULL) };
adam@1365 4016 return r;
adamc@1006 4017 }
adamc@1061 4018
adam@1369 4019 uw_Basis_time uw_Basis_addSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adam@1369 4020 tm.seconds += n;
adam@1365 4021 return tm;
adamc@1138 4022 }
adamc@1138 4023
adam@1514 4024 uw_Basis_int uw_Basis_diffInSeconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1514 4025 return difftime(tm2.seconds, tm1.seconds);
adam@1514 4026 }
adam@1514 4027
adam@1685 4028 uw_Basis_int uw_Basis_toMilliseconds(uw_context ctx, uw_Basis_time tm) {
adam@1685 4029 return tm.seconds * 1000 + tm.microseconds / 1000;
adam@1685 4030 }
adam@1685 4031
adam@1685 4032 uw_Basis_int uw_Basis_diffInMilliseconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1685 4033 return uw_Basis_toMilliseconds(ctx, tm2) - uw_Basis_toMilliseconds(ctx, tm1);
adam@1685 4034 }
adam@1685 4035
adam@1514 4036 uw_Basis_int uw_Basis_toSeconds(uw_context ctx, uw_Basis_time tm) {
adam@1514 4037 return tm.seconds;
adam@1514 4038 }
adam@1514 4039
phurst@1971 4040 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 4041 struct tm tm = { .tm_year = year - 1900, .tm_mon = month, .tm_mday = day,
adam@2015 4042 .tm_hour = hour, .tm_min = minute, .tm_sec = second,
adam@2015 4043 .tm_isdst = -1 };
phurst@1984 4044 uw_Basis_time r = { timelocal(&tm) };
phurst@1971 4045 return r;
phurst@1971 4046 }
phurst@1971 4047
phurst@1971 4048 uw_Basis_int uw_Basis_datetimeYear(uw_context ctx, uw_Basis_time time) {
phurst@1971 4049 struct tm tm;
phurst@1982 4050 localtime_r(&time.seconds, &tm);
phurst@1971 4051 return tm.tm_year + 1900;
phurst@1971 4052 }
phurst@1971 4053
phurst@1971 4054 uw_Basis_int uw_Basis_datetimeMonth(uw_context ctx, uw_Basis_time time) {
phurst@1971 4055 struct tm tm;
phurst@1982 4056 localtime_r(&time.seconds, &tm);
phurst@1971 4057 return tm.tm_mon;
phurst@1971 4058 }
phurst@1971 4059
phurst@1971 4060 uw_Basis_int uw_Basis_datetimeDay(uw_context ctx, uw_Basis_time time) {
phurst@1971 4061 struct tm tm;
phurst@1982 4062 localtime_r(&time.seconds, &tm);
phurst@1971 4063 return tm.tm_mday;
phurst@1971 4064 }
phurst@1971 4065
phurst@1971 4066 uw_Basis_int uw_Basis_datetimeHour(uw_context ctx, uw_Basis_time time) {
phurst@1971 4067 struct tm tm;
phurst@1982 4068 localtime_r(&time.seconds, &tm);
phurst@1971 4069 return tm.tm_hour;
phurst@1971 4070 }
phurst@1971 4071
phurst@1971 4072 uw_Basis_int uw_Basis_datetimeMinute(uw_context ctx, uw_Basis_time time) {
phurst@1971 4073 struct tm tm;
phurst@1982 4074 localtime_r(&time.seconds, &tm);
phurst@1971 4075 return tm.tm_min;
phurst@1971 4076 }
phurst@1971 4077
phurst@1971 4078 uw_Basis_int uw_Basis_datetimeSecond(uw_context ctx, uw_Basis_time time) {
phurst@1971 4079 struct tm tm;
phurst@1982 4080 localtime_r(&time.seconds, &tm);
phurst@1971 4081 return tm.tm_sec;
phurst@1971 4082 }
phurst@1971 4083
phurst@1973 4084 uw_Basis_int uw_Basis_datetimeDayOfWeek(uw_context ctx, uw_Basis_time time) {
phurst@1973 4085 struct tm tm;
phurst@1982 4086 localtime_r(&time.seconds, &tm);
phurst@1973 4087 return tm.tm_wday;
phurst@1973 4088 }
phurst@1971 4089
phurst@1971 4090
adamc@1061 4091 void *uw_get_global(uw_context ctx, char *name) {
adamc@1061 4092 int i;
adamc@1061 4093
adamc@1061 4094 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 4095 if (!strcmp(name, ctx->globals[i].name))
adamc@1061 4096 return ctx->globals[i].data;
adamc@1061 4097
adamc@1061 4098 return NULL;
adamc@1061 4099 }
adamc@1061 4100
adamc@1113 4101 size_t uw_globals_max = SIZE_MAX;
adamc@1113 4102
adamc@1061 4103 void uw_set_global(uw_context ctx, char *name, void *data, void (*free)(void*)) {
adamc@1061 4104 int i;
adamc@1061 4105
adamc@1061 4106 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 4107 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089 4108 if (ctx->globals[i].free)
adamc@1061 4109 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061 4110 ctx->globals[i].data = data;
adamc@1061 4111 ctx->globals[i].free = free;
adamc@1061 4112 return;
adamc@1061 4113 }
adamc@1089 4114
adamc@1113 4115 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113 4116 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113 4117
adamc@1061 4118 ++ctx->n_globals;
adamc@1061 4119 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061 4120 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061 4121 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061 4122 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061 4123 }
adamc@1061 4124
adamc@1061 4125 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153 4126 return !!isalnum((int)c);
adamc@1061 4127 }
adamc@1061 4128
adamc@1061 4129 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153 4130 return !!isalpha((int)c);
adamc@1061 4131 }
adamc@1061 4132
adamc@1061 4133 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153 4134 return !!isblank((int)c);
adamc@1061 4135 }
adamc@1061 4136
adamc@1061 4137 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153 4138 return !!iscntrl((int)c);
adamc@1061 4139 }
adamc@1061 4140
adamc@1061 4141 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 4142 return !!isdigit((int)c);
adamc@1061 4143 }
adamc@1061 4144
adamc@1061 4145 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153 4146 return !!isgraph((int)c);
adamc@1061 4147 }
adamc@1061 4148
adamc@1061 4149 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153 4150 return !!islower((int)c);
adamc@1061 4151 }
adamc@1061 4152
adamc@1061 4153 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153 4154 return !!isprint((int)c);
adamc@1061 4155 }
adamc@1061 4156
adamc@1061 4157 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153 4158 return !!ispunct((int)c);
adamc@1061 4159 }
adamc@1061 4160
adamc@1061 4161 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153 4162 return !!isspace((int)c);
adamc@1061 4163 }
adamc@1063 4164
adamc@1061 4165 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 4166 return !!isupper((int)c);
adamc@1061 4167 }
adamc@1061 4168
adamc@1061 4169 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 4170 return !!isxdigit((int)c);
adamc@1061 4171 }
adamc@1061 4172
adamc@1061 4173 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153 4174 return tolower((int)c);
adamc@1061 4175 }
adamc@1061 4176
adamc@1061 4177 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 4178 return toupper((int)c);
adamc@1061 4179 }
adamc@1066 4180
adamc@1128 4181 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128 4182 return (unsigned char)c;
adamc@1128 4183 }
adamc@1128 4184
adamc@1128 4185 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128 4186 return n;
adamc@1128 4187 }
adamc@1128 4188
adamc@1066 4189 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066 4190 return ctx->current_url;
adamc@1066 4191 }
adamc@1066 4192
adamc@1066 4193 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066 4194 ctx->current_url = s;
adamc@1066 4195 }
adamc@1114 4196
adamc@1114 4197 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114 4198 ctx->deadline = n;
adamc@1114 4199 }
adamc@1114 4200
adamc@1114 4201 void uw_check_deadline(uw_context ctx) {
adamc@1114 4202 if (uw_time > ctx->deadline)
adamc@1114 4203 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114 4204 }
adamc@1115 4205
adamc@1115 4206 size_t uw_database_max = SIZE_MAX;
adamc@1120 4207
adam@1389 4208 uw_Basis_int uw_Basis_naughtyDebug(uw_context ctx, uw_Basis_string s) {
adam@1389 4209 fprintf(stderr, "%s\n", s);
adam@1389 4210 return 0;
adam@1389 4211 }
adam@1389 4212
adamc@1120 4213 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
grrwlf@1997 4214 if (ctx->loggers->log_debug)
grrwlf@1997 4215 ctx->loggers->log_debug(ctx->loggers->logger_data, "%s\n", s);
adam@1334 4216 else
adam@1334 4217 fprintf(stderr, "%s\n", s);
adamc@1120 4218 return uw_unit_v;
adamc@1120 4219 }
adamc@1250 4220
adam@1933 4221 static pthread_mutex_t rand_mutex = PTHREAD_MUTEX_INITIALIZER;
adam@1933 4222
adamc@1250 4223 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adam@1486 4224 uw_Basis_int ret;
adam@1933 4225 pthread_mutex_lock(&rand_mutex);
adam@1486 4226 int r = RAND_bytes((unsigned char *)&ret, sizeof ret);
adam@1933 4227 pthread_mutex_unlock(&rand_mutex);
phurst@1981 4228
adam@1486 4229 if (r)
adam@1486 4230 return abs(ret);
adam@1486 4231 else
adam@1486 4232 uw_error(ctx, FATAL, "Random number generation failed");
adamc@1250 4233 }
adam@1347 4234
adam@1347 4235 void uw_noPostBody(uw_context ctx) {
adam@1347 4236 ctx->hasPostBody = 0;
adam@1347 4237 }
adam@1347 4238
adam@1347 4239 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 4240 ctx->hasPostBody = 1;
adam@1347 4241 ctx->postBody = pb;
adam@1347 4242 }
adam@1347 4243
adam@1347 4244 int uw_hasPostBody(uw_context ctx) {
adam@1347 4245 return ctx->hasPostBody;
adam@1347 4246 }
adam@1347 4247
adam@1386 4248 void uw_isPost(uw_context ctx) {
adam@1386 4249 ctx->isPost = 1;
adam@1386 4250 }
adam@1386 4251
adam@1386 4252 uw_Basis_bool uw_Basis_currentUrlHasPost(uw_context ctx) {
adam@1386 4253 return ctx->isPost;
adam@1386 4254 }
adam@1386 4255
adam@1485 4256 uw_Basis_bool uw_Basis_currentUrlHasQueryString(uw_context ctx) {
adam@1485 4257 return ctx->queryString != NULL && ctx->queryString[0] != 0;
adam@1485 4258 }
adam@1485 4259
adam@1370 4260 void uw_setQueryString(uw_context ctx, uw_Basis_string s) {
adam@1370 4261 ctx->queryString = s;
adam@1370 4262 }
adam@1370 4263
adam@1370 4264 uw_Basis_string uw_queryString(uw_context ctx) {
adam@1370 4265 return ctx->queryString;
adam@1370 4266 }
adam@1370 4267
adam@1347 4268 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347 4269 if (ctx->hasPostBody)
adam@1347 4270 return ctx->postBody;
adam@1347 4271 else
adam@1347 4272 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347 4273 }
adam@1349 4274
adam@1349 4275 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349 4276 int r = setjmp(ctx->jmp_buf);
adam@1349 4277
adam@1349 4278 if (r == 0) {
adam@1936 4279 uw_ensure_transaction(ctx);
adam@1418 4280
adam@1349 4281 callback(ctx);
adam@1349 4282 }
adam@1349 4283
adam@1349 4284 return r;
adam@1349 4285 }
adam@1360 4286
adam@1360 4287 uw_Basis_string uw_Basis_crypt(uw_context ctx, uw_Basis_string key, uw_Basis_string salt) {
adam@1397 4288 char buf[14];
adam@1397 4289 return uw_strdup(ctx, DES_fcrypt(key, salt, buf));
adam@1360 4290 }
adam@1365 4291
adam@1365 4292 uw_Basis_bool uw_Basis_eq_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 4293 return !!(t1.seconds == t2.seconds && t1.microseconds == t2.microseconds);
adam@1365 4294 }
adam@1365 4295
adam@1365 4296 uw_Basis_bool uw_Basis_lt_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@2034 4297 return !!(t1.seconds < t2.seconds || (t1.seconds == t2.seconds && t1.microseconds < t2.microseconds));
adam@1365 4298 }
adam@1365 4299
adam@1365 4300 uw_Basis_bool uw_Basis_le_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 4301 return !!(uw_Basis_eq_time(ctx, t1, t2) || uw_Basis_lt_time(ctx, t1, t2));
adam@1365 4302 }
adam@1365 4303
adam@1372 4304 uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374 4305 struct tm stm = {};
adam@1375 4306 char *end = strchr(s, 0);
adam@1449 4307 stm.tm_isdst = -1;
adam@1375 4308
adam@1632 4309 if (strptime(s, TIME_FMT_PG, &stm) == end || strptime(s, TIME_FMT, &stm) == end || strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1373 4310 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1375 4311
kkallio@1448 4312 r->seconds = timegm(&stm);
adam@1373 4313 r->microseconds = 0;
adam@1373 4314
adam@1373 4315 return r;
adam@1374 4316 }
adam@1374 4317 else
adam@1373 4318 return NULL;
adam@1372 4319 }
adam@1407 4320
adam@1407 4321 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1407 4322 int r = setjmp(ctx->jmp_buf);
adam@1407 4323
adam@1407 4324 if (ctx->app->on_error) {
adam@1407 4325 if (r == 0) {
adam@1936 4326 uw_ensure_transaction(ctx);
adam@1407 4327
adam@1409 4328 uw_buffer_reset(&ctx->outHeaders);
adam@1409 4329 if (on_success[0])
adam@1409 4330 uw_write_header(ctx, "HTTP/1.1 ");
adam@1409 4331 else
adam@1409 4332 uw_write_header(ctx, "Status: ");
adam@1409 4333 uw_write_header(ctx, "500 Internal Server Error\r\n");
adam@1919 4334 uw_write_header(ctx, "Content-type: text/html\r\n");
adam@1956 4335 uw_write(ctx, ctx->app->is_html5 ? uw_begin_html5 : uw_begin_xhtml);
adam@1407 4336 ctx->app->on_error(ctx, msg);
adam@1407 4337 uw_write(ctx, "</html>");
adam@1407 4338 }
adam@1407 4339
adam@1407 4340 return r;
adam@1407 4341 } else
adam@1407 4342 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1407 4343 }
adam@1451 4344
adam@1451 4345 void uw_mayReturnIndirectly(uw_context ctx) {
adam@1451 4346 ctx->allowed_to_return_indirectly = 1;
adam@1451 4347 }
adam@1483 4348
adam@1556 4349 uw_Basis_string uw_Basis_fresh(uw_context ctx) {
adam@1703 4350 int len;
adam@1703 4351 char *r;
adam@1703 4352
adam@1703 4353 uw_check_heap(ctx, 2+INTS_MAX);
adam@1703 4354 r = ctx->heap.front;
adam@1703 4355 sprintf(r, "uw%u%n", ctx->nextId++, &len);
adam@1703 4356 ctx->heap.front += len+1;
adam@1703 4357 return r;
adam@1556 4358 }
adam@1571 4359
adam@1571 4360 uw_Basis_float uw_Basis_floatFromInt(uw_context ctx, uw_Basis_int n) {
adam@1571 4361 return n;
adam@1571 4362 }
adam@1571 4363
adam@1571 4364 uw_Basis_int uw_Basis_ceil(uw_context ctx, uw_Basis_float n) {
adam@1571 4365 return ceil(n);
adam@1571 4366 }
adam@1571 4367
adam@1571 4368 uw_Basis_int uw_Basis_trunc(uw_context ctx, uw_Basis_float n) {
adam@1571 4369 return trunc(n);
adam@1571 4370 }
adam@1571 4371
adam@1571 4372 uw_Basis_int uw_Basis_round(uw_context ctx, uw_Basis_float n) {
adam@1571 4373 return round(n);
adam@1571 4374 }
adam@1755 4375
adam@1755 4376 uw_Basis_string uw_Basis_atom(uw_context ctx, uw_Basis_string s) {
adam@1755 4377 char *p;
adam@1755 4378
adam@1755 4379 for (p = s; *p; ++p) {
adam@1755 4380 char c = *p;
adam@1801 4381 if (!isalnum((int)c) && c != '+' && c != '-' && c != '.' && c != '%' && c != '#')
adam@1755 4382 uw_error(ctx, FATAL, "Disallowed character in CSS atom");
adam@1755 4383 }
adam@1755 4384
adam@1755 4385 return s;
adam@1755 4386 }
adam@1755 4387
adam@1755 4388 uw_Basis_string uw_Basis_css_url(uw_context ctx, uw_Basis_string s) {
adam@1755 4389 char *p;
adam@1755 4390
adam@1755 4391 for (p = s; *p; ++p) {
adam@1755 4392 char c = *p;
adam@1801 4393 if (!isalnum((int)c) && c != ':' && c != '/' && c != '.' && c != '_' && c != '+'
adam@1755 4394 && c != '-' && c != '%' && c != '?' && c != '&' && c != '=' && c != '#')
adam@1755 4395 uw_error(ctx, FATAL, "Disallowed character in CSS URL");
adam@1755 4396 }
adam@1755 4397
adam@1755 4398 return s;
adam@1755 4399 }
adam@1755 4400
adam@1755 4401 uw_Basis_string uw_Basis_property(uw_context ctx, uw_Basis_string s) {
adam@1755 4402 char *p;
adam@1755 4403
adam@1755 4404 if (!*s)
adam@1755 4405 uw_error(ctx, FATAL, "Empty CSS property");
adam@1755 4406
adam@1801 4407 if (!islower((int)s[0]) && s[0] != '_')
adam@1755 4408 uw_error(ctx, FATAL, "Bad initial character in CSS property");
adam@1755 4409
adam@1755 4410 for (p = s; *p; ++p) {
adam@1755 4411 char c = *p;
adam@1801 4412 if (!islower((int)c) && !isdigit((int)c) && c != '_' && c != '-')
adam@1755 4413 uw_error(ctx, FATAL, "Disallowed character in CSS property");
adam@1755 4414 }
adam@1755 4415
adam@1755 4416 return s;
adam@1755 4417 }
adam@1787 4418
adam@1787 4419 uw_Basis_string uw_Basis_fieldName(uw_context ctx, uw_Basis_postField f) {
adam@1787 4420 return f.name;
adam@1787 4421 }
adam@1787 4422
adam@1787 4423 uw_Basis_string uw_Basis_fieldValue(uw_context ctx, uw_Basis_postField f) {
adam@1787 4424 return f.value;
adam@1787 4425 }
adam@1787 4426
adam@1787 4427 uw_Basis_string uw_Basis_remainingFields(uw_context ctx, uw_Basis_postField f) {
adam@1787 4428 return f.remaining;
adam@1787 4429 }
adam@1787 4430
adam@1787 4431 uw_Basis_postField *uw_Basis_firstFormField(uw_context ctx, uw_Basis_string s) {
adam@1788 4432 char *unurl;
adam@1787 4433 uw_Basis_postField *f;
adam@1787 4434
adam@1788 4435 if (!ctx->hasPostBody)
adam@1788 4436 uw_error(ctx, FATAL, "firstFormField called when there is no POST body");
adam@1788 4437
adam@1788 4438 if (s < ctx->postBody.data || s >= ctx->postBody.data + ctx->postBody.len)
adam@1787 4439 return NULL;
adam@1787 4440
adam@1787 4441 f = uw_malloc(ctx, sizeof(uw_Basis_postField));
adam@1788 4442 unurl = s;
adam@1787 4443 f->name = uw_Basis_unurlifyString(ctx, &unurl);
adam@1788 4444 s = strchr(s, 0);
adam@1788 4445 if (!s)
adam@1788 4446 uw_error(ctx, FATAL, "firstFormField: Missing null terminator");
adam@1788 4447 ++s;
adam@1788 4448 unurl = s;
adam@1788 4449 f->value = uw_Basis_unurlifyString(ctx, &unurl);
adam@1788 4450 s = strchr(s, 0);
adam@1788 4451 if (!s)
adam@1788 4452 uw_error(ctx, FATAL, "firstFormField: Missing null terminator");
adam@1788 4453 f->remaining = s+1;
adam@1787 4454
adam@1787 4455 return f;
adam@1787 4456 }
adam@2008 4457
adam@2008 4458 uw_Basis_string uw_Basis_blessData(uw_context ctx, uw_Basis_string s) {
adam@2008 4459 char *p = s;
adam@2008 4460
adam@2008 4461 for (; *p; ++p)
adam@2008 4462 if (!isalnum(*p) && *p != '-' && *p != '_')
adam@2008 4463 uw_error(ctx, FATAL, "Illegal HTML5 data-* attribute: %s", s);
adam@2008 4464
adam@2008 4465 return s;
adam@2008 4466 }