annotate src/c/urweb.c @ 2145:5a010f408f36

Do not explicitly return false from onclick handler
author Julian Squires <julian@cipht.net>
date Thu, 07 May 2015 09:50:37 -0400
parents 4895c41b2ec6
children 8a01e8f21de9 2b1af5dc6dee
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
adam@2104 170 static pthread_mutex_t rand_mutex = PTHREAD_MUTEX_INITIALIZER;
adam@2104 171
adam@2104 172 static uw_Basis_int my_rand() {
adam@2104 173 pthread_mutex_lock(&rand_mutex);
adam@2105 174 int ret, r = RAND_bytes((unsigned char *)&ret, sizeof ret);
adam@2104 175 pthread_mutex_unlock(&rand_mutex);
adam@2104 176
adam@2104 177 if (r)
adam@2105 178 return abs(ret);
adam@2104 179 else
adam@2104 180 return -1;
adam@2104 181 }
adam@2104 182
adamc@682 183 static client *new_client() {
adamc@667 184 client *c;
adamc@667 185
adamc@667 186 pthread_mutex_lock(&clients_mutex);
adamc@667 187
adamc@667 188 if (clients_free) {
adamc@667 189 c = clients_free;
adamc@682 190 clients_free = clients_free->next;
adamc@667 191 }
adam@1672 192 else if (n_clients >= uw_clients_max) {
adam@1672 193 pthread_mutex_unlock(&clients_mutex);
adamc@1113 194 return NULL;
adam@1672 195 } else {
adamc@667 196 ++n_clients;
adamc@667 197 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667 198 c = malloc(sizeof(client));
adamc@667 199 c->id = n_clients-1;
adamc@682 200 pthread_mutex_init(&c->lock, NULL);
adamc@689 201 pthread_mutex_init(&c->pull_lock, NULL);
adam@1369 202 uw_buffer_init(uw_messages_max, &c->msgs, 0);
adamc@667 203 clients[n_clients-1] = c;
adamc@667 204 }
adamc@667 205
adamc@682 206 pthread_mutex_lock(&c->lock);
adamc@667 207 c->mode = USED;
adam@2104 208 c->pass = my_rand();
adamc@682 209 c->sock = -1;
adamc@682 210 c->last_contact = time(NULL);
adam@1369 211 uw_buffer_reset(&c->msgs);
adamc@682 212 c->n_channels = 0;
adamc@685 213 c->refcount = 0;
adamc@1121 214 c->data = uw_init_client_data();
adamc@682 215 pthread_mutex_unlock(&c->lock);
adamc@682 216
adamc@682 217 c->next = clients_used;
adamc@682 218 clients_used = c;
adamc@667 219
adamc@667 220 pthread_mutex_unlock(&clients_mutex);
adamc@667 221
adamc@667 222 return c;
adamc@667 223 }
adamc@667 224
adamc@685 225 static void use_client(client *c) {
adamc@685 226 pthread_mutex_lock(&c->lock);
adamc@685 227 ++c->refcount;
adamc@685 228 pthread_mutex_unlock(&c->lock);
adamc@689 229 pthread_mutex_lock(&c->pull_lock);
adamc@685 230 }
adamc@685 231
adamc@685 232 static void release_client(client *c) {
adamc@689 233 pthread_mutex_unlock(&c->pull_lock);
adamc@685 234 pthread_mutex_lock(&c->lock);
adamc@685 235 --c->refcount;
adamc@685 236 pthread_mutex_unlock(&c->lock);
adamc@685 237 }
adamc@685 238
adamc@856 239 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adam@1707 240 static pthread_t pruning_thread;
adam@1707 241 static int pruning_thread_initialized = 0;
adamc@667 242
adamc@682 243 static client *find_client(unsigned id) {
adamc@667 244 client *c;
adam@1708 245 int i_am_pruner = pruning_thread_initialized && pthread_equal(pruning_thread, pthread_self());
adam@1708 246
adam@1708 247 if (!i_am_pruner) pthread_mutex_lock(&clients_mutex);
adamc@667 248
adamc@667 249 if (id >= n_clients) {
adam@1708 250 if (!i_am_pruner) pthread_mutex_unlock(&clients_mutex);
adamc@668 251 return NULL;
adamc@667 252 }
adamc@667 253
adamc@667 254 c = clients[id];
adamc@667 255
adam@1708 256 if (!i_am_pruner) pthread_mutex_unlock(&clients_mutex);
adamc@668 257 return c;
adamc@668 258 }
adamc@668 259
adamc@856 260 static char *on_success = "HTTP/1.1 200 OK\r\n";
adam@1409 261 static char *on_redirect = "HTTP/1.1 303 See Other\r\n";
adamc@856 262
adamc@856 263 void uw_set_on_success(char *s) {
adamc@856 264 on_success = s;
adamc@856 265 }
adamc@856 266
adam@1552 267 static void chastise(int (*send)(int sockfd, const void *buf, ssize_t len), int sock) {
adam@1552 268 send(sock, on_success, strlen(on_success));
adam@1552 269 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1552 270 send(sock, "R", 1);
adam@1552 271 close(sock);
adam@1552 272 }
adam@1552 273
adamc@863 274 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863 275 int (*send)(int sockfd, const void *buf, ssize_t len),
adamc@864 276 int (*close)(int fd),
adamc@864 277 void *logger_data, uw_logger log_error) {
adamc@682 278 client *c = find_client(id);
adamc@668 279
adamc@668 280 if (c == NULL) {
adam@1552 281 chastise(send, sock);
adamc@864 282 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667 283 return;
adamc@667 284 }
adamc@667 285
adamc@682 286 pthread_mutex_lock(&c->lock);
adamc@671 287
adamc@682 288 if (c->mode != USED) {
adamc@682 289 pthread_mutex_unlock(&c->lock);
adam@1552 290 chastise(send, sock);
adamc@864 291 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667 292 return;
adamc@667 293 }
adamc@667 294
adamc@682 295 if (pass != c->pass) {
adamc@682 296 pthread_mutex_unlock(&c->lock);
adam@1552 297 chastise(send, sock);
adamc@864 298 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682 299 return;
adamc@667 300 }
adamc@667 301
adamc@682 302 if (c->sock != -1) {
adamc@863 303 c->close(c->sock);
adamc@682 304 c->sock = -1;
adamc@682 305 }
adamc@667 306
adamc@682 307 c->last_contact = time(NULL);
adamc@682 308
adam@1369 309 if (uw_buffer_used(&c->msgs) > 0) {
adamc@863 310 send(sock, on_success, strlen(on_success));
adamc@863 311 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1369 312 send(sock, c->msgs.start, uw_buffer_used(&c->msgs));
adam@1369 313 uw_buffer_reset(&c->msgs);
adamc@667 314 close(sock);
adamc@667 315 }
adamc@863 316 else {
adamc@682 317 c->sock = sock;
adamc@863 318 c->send = send;
adamc@863 319 c->close = close;
adamc@863 320 }
adamc@667 321
adamc@682 322 pthread_mutex_unlock(&c->lock);
adamc@667 323 }
adamc@667 324
adamc@682 325 static void free_client(client *c) {
adamc@682 326 c->mode = UNUSED;
adamc@682 327 c->pass = -1;
adamc@667 328
adamc@682 329 c->next = clients_free;
adamc@682 330 clients_free = c;
adamc@667 331 }
adamc@667 332
adamc@682 333 static uw_Basis_channel new_channel(client *c) {
adamc@682 334 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668 335 return ch;
adamc@668 336 }
adamc@668 337
adam@1447 338 static void client_send(client *c, uw_buffer *msg, const char *script, int script_len) {
adamc@685 339 pthread_mutex_lock(&c->lock);
adamc@671 340
adamc@682 341 if (c->sock != -1) {
adamc@863 342 c->send(c->sock, on_success, strlen(on_success));
adamc@863 343 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1447 344 if (script_len > 0) {
adam@1447 345 c->send(c->sock, "E\n", 2);
adam@1447 346 c->send(c->sock, script, script_len);
adam@1447 347 c->send(c->sock, "\n", 1);
adam@1447 348 }
adam@1369 349 c->send(c->sock, msg->start, uw_buffer_used(msg));
adamc@863 350 c->close(c->sock);
adamc@682 351 c->sock = -1;
adam@1665 352 } else if (uw_buffer_append(&c->msgs, msg->start, uw_buffer_used(msg)))
adamc@1113 353 fprintf(stderr, "Client message buffer size exceeded");
adamc@671 354
adamc@685 355 pthread_mutex_unlock(&c->lock);
adamc@668 356 }
adamc@668 357
adamc@668 358
adamc@668 359 // Global entry points
adamc@668 360
adamc@1164 361 extern void uw_global_custom();
adamc@1104 362 extern void uw_init_crypto();
adamc@1104 363
adamc@668 364 void uw_global_init() {
adamc@668 365 clients = malloc(0);
adamc@1104 366
adamc@1164 367 uw_global_custom();
adamc@1104 368 uw_init_crypto();
adamc@1094 369 }
adamc@1094 370
adamc@1094 371 void uw_app_init(uw_app *app) {
adamc@1094 372 app->client_init();
adamc@668 373 }
adamc@668 374
adam@1332 375 int uw_time = 0, uw_time_max = 0, uw_min_heap = 0;
adamc@1114 376
adamc@668 377
adamc@667 378 // Single-request state
adamc@667 379
adamc@323 380 typedef struct regions {
adamc@323 381 struct regions *next;
adamc@323 382 } regions;
adamc@323 383
adamc@425 384 typedef struct {
adamc@425 385 void (*func)(void*);
adamc@425 386 void *arg;
adamc@425 387 } cleanup;
adamc@425 388
adamc@671 389 typedef struct {
adamc@682 390 unsigned client;
adam@1369 391 uw_buffer msgs;
adamc@682 392 } delta;
adamc@671 393
adamc@737 394 typedef enum {
adamc@759 395 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737 396 } input_kind;
adamc@737 397
adamc@756 398 typedef struct input {
adamc@737 399 input_kind kind;
adamc@737 400 union {
adamc@737 401 char *normal;
adamc@739 402 uw_Basis_file file;
adamc@756 403 struct {
adamc@759 404 struct input *fields, *parent;
adamc@756 405 } subform;
adamc@759 406 struct {
adamc@759 407 struct input *entries, *parent;
adamc@759 408 } subforms;
adamc@759 409 struct {
adamc@759 410 struct input *fields, *next, *parent;
adamc@759 411 } entry;
adamc@737 412 } data;
adamc@737 413 } input;
adamc@737 414
adamc@771 415 typedef struct {
adamc@771 416 void *data;
adam@1327 417 uw_callback commit, rollback;
adam@1327 418 uw_callback_with_retry free;
adamc@771 419 } transactional;
adamc@771 420
adamc@1061 421 typedef struct {
adamc@1061 422 char *name;
adamc@1061 423 void *data;
adamc@1061 424 void (*free)(void*);
adamc@1061 425 } global;
adamc@1061 426
adamc@311 427 struct uw_context {
adamc@1094 428 uw_app *app;
adam@1446 429 int id;
adamc@1094 430
adamc@854 431 char *(*get_header)(void *, const char *);
adamc@854 432 void *get_header_data;
adamc@457 433
adam@1799 434 char *(*get_env)(void *, const char *);
adam@1799 435 void *get_env_data;
adam@1799 436
adam@1369 437 uw_buffer outHeaders, page, heap, script;
adam@1451 438 int allowed_to_return_indirectly, returning_indirectly;
adamc@759 439 input *inputs, *subinputs, *cur_container;
adamc@1094 440 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167 441
adam@1446 442 unsigned long long source_count;
adamc@562 443
adamc@272 444 void *db;
adam@1931 445 int transaction_started;
adamc@272 446
adamc@167 447 jmp_buf jmp_buf;
adamc@167 448
adamc@323 449 regions *regions;
adamc@323 450
adamc@425 451 cleanup *cleanup, *cleanup_front, *cleanup_back;
adamc@425 452
adamc@1094 453 const char *script_header;
adamc@643 454
adam@2056 455 int needs_push, needs_sig, could_write_db, at_most_one_query;
adamc@693 456
adamc@682 457 size_t n_deltas, used_deltas;
adamc@682 458 delta *deltas;
adamc@671 459
adamc@682 460 client *client;
adamc@682 461
adamc@771 462 transactional *transactionals;
adamc@771 463 size_t n_transactionals, used_transactionals;
adamc@771 464
adamc@1061 465 global *globals;
adamc@1061 466 size_t n_globals;
adamc@1061 467
adamc@1066 468 char *current_url;
adamc@1066 469
adamc@1114 470 int deadline;
adamc@1114 471
adamc@1121 472 void *client_data;
adamc@1121 473
grrwlf@1997 474 uw_loggers *loggers;
adam@1334 475
adam@1386 476 int isPost, hasPostBody;
adam@1347 477 uw_Basis_postBody postBody;
adam@1370 478 uw_Basis_string queryString;
adam@1347 479
adam@1556 480 unsigned nextId;
adam@1556 481
adam@1782 482 int amInitializing;
adam@1782 483
adamc@167 484 char error_message[ERROR_BUF_LEN];
adam@1877 485
adam@1877 486 int usedSig, needsResig;
adam@1949 487
adam@1949 488 char *output_buffer;
adam@1949 489 size_t output_buffer_size;
adam@2073 490
adam@2073 491 int remoteSock;
adamc@117 492 };
adamc@117 493
adamc@1113 494 size_t uw_headers_max = SIZE_MAX;
adamc@1113 495 size_t uw_page_max = SIZE_MAX;
adamc@1113 496 size_t uw_heap_max = SIZE_MAX;
adamc@1113 497 size_t uw_script_max = SIZE_MAX;
adamc@1113 498
grrwlf@1997 499 uw_context uw_init(int id, uw_loggers *lg) {
adamc@311 500 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 501
adamc@1094 502 ctx->app = NULL;
adam@1446 503 ctx->id = id;
adamc@1094 504
adamc@854 505 ctx->get_header = NULL;
adamc@854 506 ctx->get_header_data = NULL;
adamc@457 507
adam@1799 508 ctx->get_env = NULL;
adam@1799 509 ctx->get_env_data = NULL;
adam@1799 510
adam@1413 511 uw_buffer_init(uw_headers_max, &ctx->outHeaders, 1);
adam@1413 512 ctx->outHeaders.start[0] = 0;
adam@1413 513 uw_buffer_init(uw_page_max, &ctx->page, 1);
adam@1413 514 ctx->page.start[0] = 0;
adam@1451 515 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 516 uw_buffer_init(uw_heap_max, &ctx->heap, uw_min_heap);
adam@1369 517 uw_buffer_init(uw_script_max, &ctx->script, 1);
adamc@667 518 ctx->script.start[0] = 0;
adamc@136 519
adamc@1094 520 ctx->inputs = malloc(0);
adamc@759 521 ctx->cur_container = NULL;
adamc@756 522 ctx->subinputs = malloc(0);
adamc@1094 523 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 524
adamc@272 525 ctx->db = NULL;
adam@1931 526 ctx->transaction_started = 0;
adamc@272 527
adamc@323 528 ctx->regions = NULL;
adamc@323 529
adamc@425 530 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 531
adamc@643 532 ctx->script_header = "";
adamc@693 533 ctx->needs_push = 0;
adamc@736 534 ctx->needs_sig = 0;
adam@1936 535 ctx->could_write_db = 1;
adam@2056 536 ctx->at_most_one_query = 0;
adamc@1104 537
adamc@565 538 ctx->source_count = 0;
adamc@562 539
adamc@682 540 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 541 ctx->deltas = malloc(0);
adamc@671 542
adamc@700 543 ctx->client = NULL;
adamc@700 544
adamc@700 545 ctx->error_message[0] = 0;
adamc@700 546
adamc@771 547 ctx->transactionals = malloc(0);
adamc@771 548 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 549
adamc@1061 550 ctx->globals = malloc(0);
adamc@1061 551 ctx->n_globals = 0;
adamc@1061 552
adamc@1066 553 ctx->current_url = "";
adamc@1066 554
adamc@1114 555 ctx->deadline = INT_MAX;
adamc@1114 556
adamc@1121 557 ctx->client_data = uw_init_client_data();
adamc@1121 558
grrwlf@1997 559 ctx->loggers = lg;
adam@1334 560
adam@1386 561 ctx->isPost = ctx->hasPostBody = 0;
adam@1347 562
adam@1370 563 ctx->queryString = NULL;
adam@1370 564
adam@1556 565 ctx->nextId = 0;
adam@1556 566
adam@1782 567 ctx->amInitializing = 0;
adam@1782 568
adam@1877 569 ctx->usedSig = 0;
adam@1877 570 ctx->needsResig = 0;
adam@1877 571
adam@1949 572 ctx->output_buffer = malloc(1);
adam@1949 573 ctx->output_buffer_size = 1;
adam@1949 574
adam@2073 575 ctx->remoteSock = -1;
adam@2073 576
adamc@117 577 return ctx;
adamc@106 578 }
adamc@106 579
adamc@1113 580 size_t uw_inputs_max = SIZE_MAX;
adamc@1113 581
adamc@1121 582 uw_app *uw_get_app(uw_context ctx) {
adamc@1121 583 return ctx->app;
adamc@1121 584 }
adamc@1121 585
adamc@1113 586 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094 587 ctx->app = app;
adamc@1094 588
adamc@1105 589 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113 590 if (app->inputs_len > uw_inputs_max)
adamc@1113 591 return 1;
adamc@1113 592
adamc@1094 593 ctx->sz_inputs = app->inputs_len;
adamc@1094 594 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094 595 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094 596 }
adamc@1134 597
adamc@1134 598 return 0;
adamc@1094 599 }
adamc@1094 600
adamc@1121 601 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121 602 uw_copy_client_data(ctx->client_data, data);
adamc@1121 603 }
adamc@1121 604
adamc@311 605 void uw_set_db(uw_context ctx, void *db) {
adamc@272 606 ctx->db = db;
adamc@272 607 }
adamc@272 608
adamc@311 609 void *uw_get_db(uw_context ctx) {
adamc@272 610 return ctx->db;
adamc@272 611 }
adamc@272 612
grrwlf@1997 613
grrwlf@1997 614 uw_loggers* uw_get_loggers(struct uw_context *ctx) {
grrwlf@1997 615 return ctx->loggers;
grrwlf@1997 616 }
grrwlf@1997 617
adamc@311 618 void uw_free(uw_context ctx) {
adamc@671 619 size_t i;
adamc@671 620
adam@1369 621 uw_buffer_free(&ctx->outHeaders);
adam@1369 622 uw_buffer_free(&ctx->script);
adam@1369 623 uw_buffer_free(&ctx->page);
adam@1369 624 uw_buffer_free(&ctx->heap);
adamc@144 625 free(ctx->inputs);
adamc@756 626 free(ctx->subinputs);
adamc@425 627 free(ctx->cleanup);
adamc@771 628 free(ctx->transactionals);
adamc@1121 629 uw_free_client_data(ctx->client_data);
adamc@671 630
adamc@682 631 for (i = 0; i < ctx->n_deltas; ++i)
adam@1369 632 uw_buffer_free(&ctx->deltas[i].msgs);
marco-oweber@1330 633 free(ctx->deltas);
adamc@671 634
adamc@1061 635 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089 636 if (ctx->globals[i].free)
adamc@1089 637 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330 638 free(ctx->globals);
adamc@1061 639
adam@1949 640 free(ctx->output_buffer);
adam@1949 641
adamc@136 642 free(ctx);
adamc@136 643 }
adamc@136 644
adamc@562 645 void uw_reset_keep_error_message(uw_context ctx) {
adam@1369 646 uw_buffer_reset(&ctx->outHeaders);
adam@1369 647 uw_buffer_reset(&ctx->script);
adamc@667 648 ctx->script.start[0] = 0;
adam@1369 649 uw_buffer_reset(&ctx->page);
adam@1451 650 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 651 uw_buffer_reset(&ctx->heap);
adamc@323 652 ctx->regions = NULL;
adamc@425 653 ctx->cleanup_front = ctx->cleanup;
adamc@682 654 ctx->used_deltas = 0;
adamc@682 655 ctx->client = NULL;
adamc@759 656 ctx->cur_container = NULL;
adamc@771 657 ctx->used_transactionals = 0;
adamc@1117 658 ctx->script_header = "";
adam@1370 659 ctx->queryString = NULL;
adam@1556 660 ctx->nextId = 0;
adam@1782 661 ctx->amInitializing = 0;
adam@1877 662 ctx->usedSig = 0;
adam@1877 663 ctx->needsResig = 0;
adam@2073 664 ctx->remoteSock = -1;
adamc@167 665 }
adamc@167 666
adamc@562 667 void uw_reset_keep_request(uw_context ctx) {
adamc@562 668 uw_reset_keep_error_message(ctx);
adamc@562 669 ctx->error_message[0] = 0;
adamc@167 670 }
adamc@167 671
adamc@311 672 void uw_reset(uw_context ctx) {
adamc@311 673 uw_reset_keep_request(ctx);
adamc@1105 674 if (ctx->app)
adamc@1105 675 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756 676 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adam@1461 677 ctx->used_subinputs = ctx->hasPostBody = ctx->isPost = 0;
adam@1943 678 ctx->transaction_started = 0;
adamc@144 679 }
adamc@144 680
adamc@311 681 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 682 int r = setjmp(ctx->jmp_buf);
adamc@272 683
adamc@1105 684 if (r == 0 && ctx->app)
adamc@1094 685 ctx->app->db_init(ctx);
adamc@272 686
adamc@272 687 return r;
adamc@272 688 }
adamc@272 689
adamc@1118 690 void uw_close(uw_context ctx) {
adamc@1118 691 ctx->app->db_close(ctx);
adamc@1118 692 }
adamc@1118 693
adam@1446 694 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adam@1446 695 return ctx->get_header(ctx->get_header_data, h);
adam@1446 696 }
adam@1446 697
adamc@854 698 void uw_set_headers(uw_context ctx, char *(*get_header)(void *, const char *), void *get_header_data) {
adamc@854 699 ctx->get_header = get_header;
adamc@854 700 ctx->get_header_data = get_header_data;
adamc@742 701 }
adamc@742 702
adam@1799 703 void uw_set_env(uw_context ctx, char *(*get_env)(void *, const char *), void *get_env_data) {
adam@1799 704 ctx->get_env = get_env;
adam@1799 705 ctx->get_env_data = get_env_data;
adam@1799 706 }
adam@1799 707
adamc@801 708 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801 709 va_list ap;
adamc@801 710 va_start(ap, fmt);
adamc@801 711
adamc@801 712 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801 713 }
adamc@801 714
adamc@1131 715 int uw_has_error(uw_context ctx) {
adamc@1131 716 return ctx->error_message[0] != 0;
adamc@1131 717 }
adamc@1131 718
adamc@311 719 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 720 cleanup *cl;
adamc@425 721
adamc@167 722 va_list ap;
adamc@167 723 va_start(ap, fmt);
adamc@167 724
adamc@167 725 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 726
adamc@425 727 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 728 cl->func(cl->arg);
adamc@425 729
adamc@425 730 ctx->cleanup_front = ctx->cleanup;
adamc@425 731
adamc@190 732 longjmp(ctx->jmp_buf, fk);
adamc@167 733 }
adamc@167 734
adamc@1113 735 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113 736
adamc@425 737 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 738 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 739 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 740 if (len == 0)
adamc@425 741 newLen = 1;
adamc@425 742 else
adamc@428 743 newLen = len * 2;
adamc@1113 744
adamc@1134 745 if (newLen > uw_cleanup_max) {
adamc@1113 746 if (len+1 <= uw_cleanup_max)
adamc@1113 747 newLen = uw_cleanup_max;
adamc@1113 748 else
adamc@1113 749 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134 750 }
adamc@1113 751
adamc@470 752 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 753 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 754 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 755 }
adamc@425 756
adamc@425 757 ctx->cleanup_front->func = func;
adamc@425 758 ctx->cleanup_front->arg = arg;
adamc@425 759 ++ctx->cleanup_front;
adamc@425 760 }
adamc@425 761
adam@1444 762 char *uw_Basis_htmlifyString(uw_context, const char *);
adam@1444 763
adamc@682 764 void uw_login(uw_context ctx) {
adam@1942 765 char *id_s, *pass_s;
adam@1942 766
adam@1942 767 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adam@1942 768 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adam@1942 769 unsigned id = atoi(id_s);
adam@1942 770 int pass = atoi(pass_s);
adam@1942 771 client *c = find_client(id);
adam@1942 772
adam@1942 773 if (c == NULL)
adam@1942 774 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 775 else {
adamc@685 776 use_client(c);
adamc@682 777 ctx->client = c;
adam@1942 778
adam@1942 779 if (c->mode != USED)
adam@1942 780 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adam@1942 781 if (c->pass != pass)
adam@1942 782 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@864 783 }
adam@1942 784 } else if (ctx->needs_push) {
adam@1942 785 client *c = new_client();
adam@1942 786
adam@1942 787 if (c == NULL)
adam@1942 788 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adam@1942 789
adam@1942 790 use_client(c);
adam@1942 791 uw_copy_client_data(c->data, ctx->client_data);
adam@1942 792 ctx->client = c;
adamc@682 793 }
adamc@682 794 }
adamc@682 795
adamc@671 796 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671 797 int r = setjmp(ctx->jmp_buf);
adamc@671 798
adam@1931 799 if (r == 0)
adam@1931 800 ctx->app->handle(ctx, path);
adam@1931 801
adam@1931 802 return r;
adam@1931 803 }
adam@1931 804
adam@1931 805 void uw_ensure_transaction(uw_context ctx) {
adam@2056 806 if (!ctx->transaction_started && !ctx->at_most_one_query) {
adam@1936 807 if (ctx->app->db_begin(ctx, ctx->could_write_db))
adamc@671 808 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1931 809 ctx->transaction_started = 1;
adamc@671 810 }
adamc@671 811 }
adamc@671 812
adamc@772 813 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682 814 if (ctx->client == NULL)
adamc@682 815 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682 816
adamc@682 817 return ctx->client->id;
adamc@682 818 }
adamc@682 819
adamc@425 820 void uw_pop_cleanup(uw_context ctx) {
adamc@425 821 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 822 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 823
adamc@425 824 --ctx->cleanup_front;
adamc@425 825 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 826 }
adamc@425 827
adamc@311 828 char *uw_error_message(uw_context ctx) {
adamc@167 829 return ctx->error_message;
adamc@167 830 }
adamc@167 831
adamc@1115 832 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115 833 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115 834 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115 835 }
adamc@1115 836
adamc@759 837 static input *INP(uw_context ctx) {
adamc@759 838 if (ctx->cur_container == NULL)
adamc@759 839 return ctx->inputs;
adamc@759 840 else if (ctx->cur_container->kind == SUBFORM)
adamc@759 841 return ctx->cur_container->data.subform.fields;
adamc@759 842 else if (ctx->cur_container->kind == ENTRY)
adamc@759 843 return ctx->cur_container->data.entry.fields;
adamc@759 844 else
adamc@760 845 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759 846 }
adamc@759 847
adamc@760 848 static void adjust_pointer(input **ptr, input *old_start, input *new_start, size_t len) {
adamc@760 849 if (*ptr != NULL && *ptr >= old_start && *ptr < old_start + len)
adamc@760 850 *ptr += new_start - old_start;
adamc@760 851 }
adamc@760 852
adamc@760 853 static void adjust_input(input *x, input *old_start, input *new_start, size_t len) {
adamc@759 854 switch (x->kind) {
adamc@759 855 case SUBFORM:
adamc@760 856 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760 857 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759 858 break;
adamc@759 859 case SUBFORMS:
adamc@760 860 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760 861 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759 862 break;
adamc@759 863 case ENTRY:
adamc@760 864 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760 865 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760 866 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134 867 break;
adamc@1134 868 default:
adamc@1134 869 break;
phurst@1981 870 }
adamc@759 871 }
adamc@759 872
adamc@1113 873 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113 874
adamc@759 875 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759 876 size_t i;
adamc@759 877 input *r;
adamc@759 878
adamc@759 879 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113 880 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113 881 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113 882
adamc@759 883 input *new_subinputs = realloc(ctx->subinputs, sizeof(input) * (ctx->used_subinputs + len));
adamc@759 884
adamc@760 885 if (ctx->subinputs != new_subinputs) {
adamc@760 886 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760 887 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094 888 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760 889 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 890
adamc@760 891 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 892
adamc@760 893 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760 894 ctx->subinputs = new_subinputs;
adamc@760 895 }
adamc@759 896 }
adamc@759 897
adamc@759 898 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759 899
adamc@759 900 for (i = 0; i < len; ++i)
adam@1474 901 ctx->subinputs[ctx->used_subinputs++].kind = UNSET;
adamc@759 902
adamc@759 903 return r;
adamc@759 904 }
adamc@756 905
adamc@801 906 int uw_set_input(uw_context ctx, const char *name, char *value) {
adamc@1050 907 //printf("Input name %s\n", name);
adamc@1038 908
adamc@756 909 if (!strcasecmp(name, ".b")) {
adamc@1094 910 int n = ctx->app->input_num(value);
adamc@756 911 input *inps;
adamc@756 912
adamc@801 913 if (n < 0) {
adam@1444 914 uw_set_error(ctx, "Bad subform name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 915 return -1;
adamc@801 916 }
adamc@801 917
adamc@1094 918 if (n >= ctx->app->inputs_len) {
adam@1444 919 uw_set_error(ctx, "For subform name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 920 return -1;
adamc@801 921 }
adamc@756 922
adamc@1094 923 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759 924
adamc@759 925 INP(ctx)[n].kind = SUBFORM;
adamc@759 926 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759 927 INP(ctx)[n].data.subform.fields = inps;
adamc@759 928 ctx->cur_container = &INP(ctx)[n];
adamc@756 929 } else if (!strcasecmp(name, ".e")) {
adamc@756 930 input *tmp;
adamc@756 931
adamc@801 932 if (ctx->cur_container == NULL) {
adamc@801 933 uw_set_error(ctx, "Unmatched subform closer");
adamc@801 934 return -1;
adamc@801 935 }
adamc@756 936
adamc@759 937 tmp = ctx->cur_container;
adamc@759 938 switch (tmp->kind) {
adamc@759 939 case SUBFORM:
adamc@759 940 ctx->cur_container = tmp->data.subform.parent;
adamc@759 941 tmp->data.subform.parent = NULL;
adamc@759 942 break;
adamc@759 943 case SUBFORMS:
adamc@759 944 ctx->cur_container = tmp->data.subforms.parent;
adamc@759 945 tmp->data.subforms.parent = NULL;
adamc@759 946 break;
adamc@759 947 case ENTRY:
adamc@759 948 ctx->cur_container = tmp->data.entry.parent;
adamc@759 949 break;
adamc@759 950 default:
adamc@801 951 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801 952 return -1;
adamc@759 953 }
adamc@759 954 } else if (!strcasecmp(name, ".s")) {
adamc@1094 955 int n = ctx->app->input_num(value);
adamc@759 956
adamc@801 957 if (n < 0) {
adam@1444 958 uw_set_error(ctx, "Bad subforms name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 959 return -1;
adamc@801 960 }
adamc@801 961
adamc@1094 962 if (n >= ctx->app->inputs_len) {
adam@1444 963 uw_set_error(ctx, "For subforms name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 964 return -1;
adamc@801 965 }
adamc@759 966
adamc@759 967 INP(ctx)[n].kind = SUBFORMS;
adamc@759 968 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 969 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759 970 ctx->cur_container = &INP(ctx)[n];
adamc@759 971 } else if (!strcasecmp(name, ".i")) {
adamc@759 972 input *inps;
adamc@759 973
adamc@801 974 if (!ctx->cur_container) {
adamc@801 975 uw_set_error(ctx, "New entry without container");
adamc@801 976 return -1;
adamc@801 977 }
adamc@801 978
adamc@801 979 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801 980 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801 981 return -1;
adamc@801 982 }
adamc@759 983
adamc@1094 984 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759 985
adamc@759 986 inps->kind = ENTRY;
adamc@759 987 inps->data.entry.parent = ctx->cur_container;
adamc@759 988 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759 989 ctx->cur_container->data.subforms.entries = inps;
adamc@759 990
adamc@759 991 inps->data.entry.fields = inps+1;
adamc@759 992 ctx->cur_container = inps;
adamc@756 993 } else {
adamc@1094 994 int n = ctx->app->input_num(name);
adamc@756 995
adam@1384 996 if (n < 0)
adam@1384 997 return 0;
adamc@801 998
adamc@1094 999 if (n >= ctx->app->inputs_len) {
adam@1444 1000 uw_set_error(ctx, "For input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801 1001 return -1;
adamc@801 1002 }
adamc@756 1003
adamc@756 1004 INP(ctx)[n].kind = NORMAL;
adamc@756 1005 INP(ctx)[n].data.normal = value;
adamc@756 1006 }
adamc@801 1007
adamc@801 1008 return 0;
adamc@144 1009 }
adamc@144 1010
adamc@311 1011 char *uw_get_input(uw_context ctx, int n) {
adamc@169 1012 if (n < 0)
adamc@311 1013 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 1014 if (n >= ctx->app->inputs_len)
adamc@311 1015 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 1016
adamc@756 1017 switch (INP(ctx)[n].kind) {
adamc@737 1018 case UNSET:
adamc@737 1019 return NULL;
adamc@739 1020 case FIL:
adamc@739 1021 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 1022 case SUBFORM:
adamc@756 1023 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 1024 case SUBFORMS:
adamc@759 1025 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 1026 case ENTRY:
adamc@759 1027 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 1028 case NORMAL:
adamc@756 1029 return INP(ctx)[n].data.normal;
adamc@737 1030 default:
adamc@737 1031 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1032 }
adamc@138 1033 }
adamc@138 1034
adamc@311 1035 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 1036 if (n < 0)
adamc@311 1037 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 1038 if (n >= ctx->app->inputs_len)
adamc@311 1039 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 1040
adamc@756 1041 switch (INP(ctx)[n].kind) {
adamc@737 1042 case UNSET:
adamc@737 1043 return "";
adamc@739 1044 case FIL:
adamc@739 1045 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 1046 case SUBFORM:
adamc@756 1047 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 1048 case SUBFORMS:
adamc@759 1049 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 1050 case ENTRY:
adamc@759 1051 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 1052 case NORMAL:
adamc@756 1053 return INP(ctx)[n].data.normal;
adamc@737 1054 default:
adamc@737 1055 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1056 }
adamc@737 1057 }
adamc@737 1058
adamc@801 1059 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094 1060 int n = ctx->app->input_num(name);
adamc@737 1061
adamc@801 1062 if (n < 0) {
adam@2054 1063 uw_set_error(ctx, "Bad file input name");
adamc@801 1064 return -1;
adamc@801 1065 }
adamc@801 1066
adamc@1094 1067 if (n >= ctx->app->inputs_len) {
adam@2054 1068 uw_set_error(ctx, "For file input name, index %d is out of range", n);
adamc@801 1069 return -1;
adamc@801 1070 }
adamc@737 1071
adamc@739 1072 ctx->inputs[n].kind = FIL;
adamc@739 1073 ctx->inputs[n].data.file = f;
adamc@801 1074
adamc@801 1075 return 0;
adamc@737 1076 }
adamc@737 1077
adamc@739 1078 void *uw_malloc(uw_context ctx, size_t len);
adamc@739 1079
adamc@739 1080 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737 1081 if (n < 0)
adamc@737 1082 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094 1083 if (n >= ctx->app->inputs_len)
adamc@737 1084 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737 1085
adamc@756 1086 switch (INP(ctx)[n].kind) {
adamc@737 1087 case UNSET:
adamc@737 1088 {
adamc@739 1089 char *data = uw_malloc(ctx, 0);
adamc@740 1090 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739 1091 return f;
adamc@737 1092 }
adamc@739 1093 case FIL:
adamc@756 1094 return INP(ctx)[n].data.file;
adamc@737 1095 case NORMAL:
adamc@737 1096 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756 1097 case SUBFORM:
adamc@756 1098 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759 1099 case SUBFORMS:
adamc@759 1100 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759 1101 case ENTRY:
adamc@759 1102 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737 1103 default:
adamc@737 1104 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1105 }
adamc@190 1106 }
adamc@190 1107
adamc@756 1108 void uw_enter_subform(uw_context ctx, int n) {
adamc@756 1109 if (n < 0)
adamc@756 1110 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094 1111 if (n >= ctx->app->inputs_len)
adamc@756 1112 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756 1113
adamc@756 1114 switch (INP(ctx)[n].kind) {
adamc@756 1115 case UNSET:
adamc@756 1116 uw_error(ctx, FATAL, "Missing subform");
adamc@756 1117 case FIL:
adamc@756 1118 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756 1119 case NORMAL:
adamc@756 1120 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759 1121 case SUBFORMS:
adamc@759 1122 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759 1123 case ENTRY:
adamc@759 1124 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756 1125 case SUBFORM:
adamc@759 1126 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760 1127 ctx->cur_container = &INP(ctx)[n];
adamc@756 1128 return;
adamc@756 1129 default:
adamc@756 1130 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756 1131 }
adamc@756 1132 }
adamc@756 1133
adamc@756 1134 void uw_leave_subform(uw_context ctx) {
adamc@756 1135 input *tmp;
adamc@756 1136
adamc@759 1137 if (ctx->cur_container == NULL)
adamc@756 1138 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756 1139
adamc@759 1140 tmp = ctx->cur_container;
adamc@759 1141 ctx->cur_container = tmp->data.subform.parent;
adamc@759 1142 tmp->data.subform.parent = NULL;
adamc@759 1143 }
adamc@759 1144
adamc@759 1145 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759 1146 input *inps;
adamc@759 1147
adamc@759 1148 if (n < 0)
adamc@759 1149 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094 1150 if (n >= ctx->app->inputs_len)
adamc@759 1151 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759 1152
adamc@759 1153 switch (INP(ctx)[n].kind) {
adamc@759 1154 case UNSET:
adamc@759 1155 uw_error(ctx, FATAL, "Missing subforms");
adamc@759 1156 case FIL:
adamc@759 1157 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759 1158 case NORMAL:
adamc@759 1159 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759 1160 case SUBFORM:
adamc@759 1161 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759 1162 case ENTRY:
adamc@759 1163 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759 1164 case SUBFORMS:
adamc@759 1165 inps = INP(ctx)[n].data.subforms.entries;
adamc@759 1166 if (inps) {
adamc@759 1167 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 1168 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759 1169 return 1;
adamc@759 1170 } else
adamc@759 1171 return 0;
adamc@759 1172 default:
adamc@759 1173 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1174 }
adamc@759 1175 }
adamc@759 1176
adamc@759 1177 int uw_next_entry(uw_context ctx) {
adamc@759 1178 if (ctx->cur_container == NULL)
adamc@759 1179 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759 1180
adamc@759 1181 switch (ctx->cur_container->kind) {
adamc@759 1182 case UNSET:
adamc@759 1183 uw_error(ctx, FATAL, "Missing entry");
adamc@759 1184 case FIL:
adamc@759 1185 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759 1186 case NORMAL:
adamc@759 1187 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759 1188 case SUBFORM:
adamc@759 1189 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759 1190 case SUBFORMS:
adamc@759 1191 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759 1192 case ENTRY:
adamc@759 1193 if (ctx->cur_container->data.entry.next) {
adamc@759 1194 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759 1195 return 1;
adamc@759 1196 } else {
adamc@759 1197 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759 1198 return 0;
adamc@759 1199 }
adamc@759 1200 default:
adamc@759 1201 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1202 }
adamc@756 1203 }
adamc@756 1204
adamc@643 1205 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 1206 ctx->script_header = s;
adamc@643 1207 }
adamc@643 1208
adamc@1094 1209 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094 1210 return ctx->app->url_prefix;
adamc@667 1211 }
adamc@667 1212
adamc@693 1213 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693 1214 ctx->needs_push = n;
adamc@693 1215 }
adamc@693 1216
adamc@736 1217 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736 1218 ctx->needs_sig = n;
adamc@736 1219 }
adamc@736 1220
adam@1936 1221 void uw_set_could_write_db(uw_context ctx, int n) {
adam@1936 1222 ctx->could_write_db = n;
adam@1936 1223 }
adam@1936 1224
adam@2056 1225 void uw_set_at_most_one_query(uw_context ctx, int n) {
adam@2056 1226 ctx->at_most_one_query = n;
adam@2056 1227 }
adam@2056 1228
adamc@667 1229
adam@1369 1230 static void uw_buffer_check_ctx(uw_context ctx, const char *kind, uw_buffer *b, size_t extra, const char *desc) {
adamc@666 1231 if (b->back - b->front < extra) {
adamc@666 1232 size_t desired = b->front - b->start + extra, next;
adamc@136 1233 char *new_heap;
adamc@136 1234
adamc@666 1235 next = b->back - b->start;
adamc@317 1236 if (next == 0)
adamc@317 1237 next = 1;
adamc@317 1238 for (; next < desired; next *= 2);
adamc@136 1239
adamc@1134 1240 if (next > b->max) {
adamc@1113 1241 if (desired <= b->max)
adamc@1113 1242 next = desired;
adamc@1113 1243 else
adamc@1113 1244 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134 1245 }
adamc@1113 1246
adamc@666 1247 new_heap = realloc(b->start, next);
adamc@666 1248 b->front = new_heap + (b->front - b->start);
adamc@666 1249 b->back = new_heap + next;
adamc@136 1250
adamc@667 1251 if (new_heap != b->start) {
adamc@666 1252 b->start = new_heap;
adam@1389 1253 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously; increasing size to %llu", desc, (unsigned long long)next);
adamc@136 1254 }
adamc@136 1255
adamc@666 1256 b->start = new_heap;
adamc@136 1257 }
adamc@136 1258 }
adamc@136 1259
adamc@832 1260 void uw_check_heap(uw_context ctx, size_t extra) {
adam@1369 1261 uw_buffer_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666 1262 }
adamc@666 1263
adamc@832 1264 char *uw_heap_front(uw_context ctx) {
adamc@832 1265 return ctx->heap.front;
adamc@832 1266 }
adamc@832 1267
adamc@832 1268 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832 1269 ctx->heap.front = fr;
adamc@832 1270 }
adamc@832 1271
adam@1782 1272 void uw_begin_initializing(uw_context ctx) {
adam@1782 1273 ctx->amInitializing = 1;
adam@1782 1274 }
adam@1782 1275
adam@1782 1276 void uw_end_initializing(uw_context ctx) {
adam@1782 1277 ctx->amInitializing = 0;
adam@1782 1278 }
adam@1782 1279
adam@2013 1280 static void align_heap(uw_context ctx) {
adam@2013 1281 size_t posn = ctx->heap.front - ctx->heap.start;
adam@2013 1282
adam@2017 1283 if (posn % sizeof(void *) != 0) {
adam@2017 1284 size_t bump = sizeof(void *) - posn % sizeof(void *);
adam@2013 1285 uw_check_heap(ctx, bump);
adam@2013 1286 ctx->heap.front += bump;
adam@2013 1287 }
adam@2013 1288 }
adam@2013 1289
adamc@311 1290 void *uw_malloc(uw_context ctx, size_t len) {
adam@2013 1291 // On some architectures, it's important that all word-sized memory accesses
adam@2013 1292 // be to word-aligned addresses, so we'll do a little bit of extra work here
adam@2013 1293 // in anticipation of a possible word-aligned access to the address we'll
adam@2013 1294 // return.
adam@2013 1295
adamc@136 1296 void *result;
adamc@136 1297
adam@1782 1298 if (ctx->amInitializing) {
adam@2017 1299 int error = posix_memalign(&result, sizeof(void *), len);
adam@2013 1300
adam@2013 1301 if (!error)
adam@1782 1302 return result;
adam@1782 1303 else
adam@2013 1304 uw_error(ctx, FATAL, "uw_malloc: posix_memalign() returns %d", error);
adam@1782 1305 } else {
adam@2013 1306 align_heap(ctx);
adam@2013 1307
adam@1782 1308 uw_check_heap(ctx, len);
adam@1782 1309
adam@1782 1310 result = ctx->heap.front;
adam@1782 1311 ctx->heap.front += len;
adam@1782 1312 return result;
adam@1782 1313 }
adamc@117 1314 }
adamc@117 1315
adamc@323 1316 void uw_begin_region(uw_context ctx) {
adam@2013 1317 align_heap(ctx);
adam@2013 1318
adamc@666 1319 regions *r = (regions *) ctx->heap.front;
adamc@323 1320
adamc@323 1321 uw_check_heap(ctx, sizeof(regions));
adamc@323 1322
adamc@666 1323 ctx->heap.front += sizeof(regions);
adamc@323 1324
adamc@323 1325 r->next = ctx->regions;
adamc@323 1326 ctx->regions = r;
adamc@323 1327 }
adamc@323 1328
adamc@323 1329 void uw_end_region(uw_context ctx) {
adamc@323 1330 regions *r = ctx->regions;
adamc@323 1331
adamc@323 1332 if (r == NULL)
adamc@323 1333 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 1334
adamc@666 1335 ctx->heap.front = (char *) r;
adamc@323 1336 ctx->regions = r->next;
adamc@323 1337 }
adamc@323 1338
adamc@324 1339 void uw_memstats(uw_context ctx) {
adam@1369 1340 printf("Headers: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->outHeaders), (unsigned long)uw_buffer_avail(&ctx->outHeaders));
adam@1369 1341 printf("Script: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->script), (unsigned long)uw_buffer_avail(&ctx->script));
adam@1369 1342 printf("Page: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->page), (unsigned long)uw_buffer_avail(&ctx->page));
adam@1369 1343 printf("Heap: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->heap), (unsigned long)uw_buffer_avail(&ctx->heap));
adamc@324 1344 }
adamc@324 1345
adam@1915 1346 int uw_pagelen(uw_context ctx) {
adam@1915 1347 return ctx->page.front - ctx->page.start;
adam@1915 1348 }
adam@1915 1349
adamc@311 1350 int uw_send(uw_context ctx, int sock) {
adam@1949 1351 size_t target_length = (ctx->outHeaders.front - ctx->outHeaders.start) + 2 + (ctx->page.front - ctx->page.start);
adam@1949 1352
adam@1949 1353 if (ctx->output_buffer_size < target_length) {
adam@1949 1354 do {
adam@1949 1355 ctx->output_buffer_size *= 2;
adam@1949 1356 } while (ctx->output_buffer_size < target_length);
adam@1949 1357 ctx->output_buffer = realloc(ctx->output_buffer, ctx->output_buffer_size);
adam@1949 1358 }
adam@1949 1359
adam@1949 1360 memcpy(ctx->output_buffer, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adam@1949 1361 memcpy(ctx->output_buffer + (ctx->outHeaders.front - ctx->outHeaders.start), "\r\n", 2);
adam@1949 1362 memcpy(ctx->output_buffer + (ctx->outHeaders.front - ctx->outHeaders.start) + 2, ctx->page.start, ctx->page.front - ctx->page.start);
adam@1949 1363
adam@1949 1364 return uw_really_send(sock, ctx->output_buffer, target_length);
adamc@462 1365 }
adamc@462 1366
adamc@856 1367 int uw_print(uw_context ctx, int fd) {
adamc@856 1368 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856 1369
adamc@856 1370 if (n < 0)
adamc@856 1371 return n;
adamc@856 1372
adamc@856 1373 n = uw_really_write(fd, "\r\n", 2);
adamc@856 1374
adamc@856 1375 if (n < 0)
adamc@856 1376 return n;
adamc@856 1377
adamc@856 1378 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856 1379 }
adamc@856 1380
adamc@860 1381 int uw_output(uw_context ctx, int (*output)(void *data, char *buf, size_t len), void *data) {
adamc@860 1382 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860 1383
adamc@860 1384 if (n < 0)
adamc@860 1385 return n;
adamc@860 1386
adamc@860 1387 n = output(data, "\r\n", 2);
adamc@860 1388
adamc@860 1389 if (n < 0)
adamc@860 1390 return n;
adamc@860 1391
adamc@860 1392 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860 1393 }
adamc@860 1394
adamc@462 1395 static void uw_check_headers(uw_context ctx, size_t extra) {
adam@1369 1396 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462 1397 }
adamc@462 1398
adamc@462 1399 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 1400 int len = strlen(s);
adamc@462 1401
adamc@462 1402 uw_check_headers(ctx, len + 1);
adamc@666 1403 strcpy(ctx->outHeaders.front, s);
adamc@666 1404 ctx->outHeaders.front += len;
adamc@562 1405 }
adamc@562 1406
adam@1934 1407 int uw_has_contentLength(uw_context ctx) {
adam@1934 1408 return strstr(ctx->outHeaders.start, "Content-length: ") != NULL;
adam@1934 1409 }
adam@1934 1410
adamc@1110 1411 void uw_clear_headers(uw_context ctx) {
adam@1369 1412 uw_buffer_reset(&ctx->outHeaders);
adamc@1110 1413 }
adamc@1110 1414
adam@1932 1415 void uw_Basis_clear_page(uw_context ctx) {
adam@1932 1416 uw_buffer_reset(&ctx->page);
adam@1932 1417 }
adam@1932 1418
adamc@562 1419 static void uw_check_script(uw_context ctx, size_t extra) {
adam@1369 1420 ctx_uw_buffer_check(ctx, "script", &ctx->script, extra);
adamc@562 1421 }
adamc@562 1422
adamc@562 1423 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 1424 int len = strlen(s);
adamc@562 1425
adamc@562 1426 uw_check_script(ctx, len + 1);
adamc@666 1427 strcpy(ctx->script.front, s);
adamc@666 1428 ctx->script.front += len;
adamc@562 1429 }
adamc@562 1430
adam@1446 1431 const char *uw_get_real_script(uw_context ctx) {
adam@1671 1432 if (strstr(ctx->outHeaders.start, "Set-Cookie: ")) {
adam@1671 1433 uw_write_script(ctx, "sig=\"");
adam@1671 1434 uw_write_script(ctx, ctx->app->cookie_sig(ctx));
adam@1671 1435 uw_write_script(ctx, "\";");
adam@1671 1436 }
adam@1671 1437
adam@1446 1438 return ctx->script.start;
adam@1446 1439 }
adam@1446 1440
adamc@695 1441 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695 1442 if (s[0] == 0)
adamc@695 1443 return "";
adamc@695 1444 else {
adamc@695 1445 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695 1446 sprintf(r, " onload='%s'", s);
adamc@695 1447 return r;
adamc@695 1448 }
adamc@695 1449 }
adamc@695 1450
adamc@1042 1451 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042 1452 if (ctx->script_header[0] == 0)
adamc@1042 1453 return "";
adamc@1042 1454 else {
vshabanoff@1763 1455 char *r = uw_malloc(ctx, 37 + strlen(s));
vshabanoff@1763 1456 sprintf(r, " onunload='unloading=true;%s;unload()'", s);
adamc@1042 1457 return r;
adamc@1042 1458 }
adamc@1042 1459 }
adamc@1042 1460
adamc@694 1461 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736 1462 if (ctx->client == NULL) {
adamc@736 1463 if (ctx->needs_sig) {
adamc@1094 1464 char *sig = ctx->app->cookie_sig(ctx);
adamc@736 1465 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736 1466 sprintf(r, "sig=\"%s\";", sig);
adamc@736 1467 return r;
adamc@736 1468 }
adamc@736 1469 else
adamc@736 1470 return "";
adamc@736 1471 } else {
adamc@1094 1472 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094 1473 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736 1474 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adam@1552 1475 sprintf(r, "isPost=%s;client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adam@1552 1476 (ctx->isPost ? "true" : "false"),
adamc@682 1477 ctx->client->id,
adamc@682 1478 ctx->client->pass,
adamc@1094 1479 ctx->app->url_prefix,
adamc@1094 1480 ctx->app->timeout,
adamc@736 1481 ctx->needs_sig ? "sig=\"" : "",
adamc@736 1482 sig,
adamc@736 1483 ctx->needs_sig ? "\";" : "");
adamc@679 1484 return r;
adamc@668 1485 }
adamc@667 1486 }
adamc@667 1487
adamc@574 1488 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 1489 char *r, *s2;
adamc@574 1490
adam@1446 1491 uw_check_heap(ctx, strlen(s) * 4 + 3);
adamc@574 1492
adamc@666 1493 r = s2 = ctx->heap.front;
adamc@574 1494 *s2++ = '"';
adamc@574 1495
adamc@574 1496 for (; *s; s++) {
adam@1286 1497 unsigned char c = *s;
adamc@574 1498
adamc@574 1499 switch (c) {
adamc@574 1500 case '"':
adamc@574 1501 strcpy(s2, "\\\"");
adamc@574 1502 s2 += 2;
adamc@574 1503 break;
adamc@1027 1504 case '\'':
adamc@1027 1505 strcpy(s2, "\\047");
adamc@1027 1506 s2 += 4;
adamc@1027 1507 break;
adamc@574 1508 case '\\':
adamc@574 1509 strcpy(s2, "\\\\");
adamc@574 1510 s2 += 2;
adamc@574 1511 break;
adam@1457 1512 case '<':
adam@1457 1513 strcpy(s2, "\\074");
adam@1457 1514 s2 += 4;
adam@1457 1515 break;
adamc@574 1516 default:
adam@1286 1517 if (isprint((int)c) || c >= 128)
adamc@574 1518 *s2++ = c;
adamc@574 1519 else {
adam@1429 1520 sprintf(s2, "\\%03o", c);
adamc@574 1521 s2 += 4;
adamc@574 1522 }
adamc@574 1523 }
adamc@574 1524 }
adamc@574 1525
adamc@574 1526 strcpy(s2, "\"");
adamc@910 1527 ctx->heap.front = s2 + 2;
adamc@574 1528 return r;
adamc@574 1529 }
adamc@574 1530
adam@1286 1531 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286 1532 unsigned char c = c1;
adamc@1025 1533 char *r, *s2;
adamc@1025 1534
adam@1446 1535 uw_check_heap(ctx, 7);
adamc@1025 1536
adamc@1025 1537 r = s2 = ctx->heap.front;
adamc@1025 1538 *s2++ = '"';
adamc@1025 1539
adamc@1025 1540 switch (c) {
adamc@1025 1541 case '"':
adamc@1025 1542 strcpy(s2, "\\\"");
adamc@1025 1543 s2 += 2;
adamc@1025 1544 break;
adamc@1027 1545 case '\'':
adamc@1027 1546 strcpy(s2, "\\047");
adamc@1027 1547 s2 += 4;
adamc@1027 1548 break;
adamc@1025 1549 case '\\':
adamc@1025 1550 strcpy(s2, "\\\\");
adamc@1025 1551 s2 += 2;
adamc@1025 1552 break;
adam@1457 1553 case '<':
adam@1457 1554 strcpy(s2, "\\074");
adam@1457 1555 s2 += 4;
adam@1457 1556 break;
adamc@1025 1557 default:
adam@1286 1558 if (isprint((int)c) || c >= 128)
adamc@1025 1559 *s2++ = c;
adamc@1025 1560 else {
adam@1429 1561 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1025 1562 s2 += 4;
adamc@1025 1563 }
adamc@1025 1564 }
adamc@1025 1565
adamc@1025 1566 strcpy(s2, "\"");
adamc@1025 1567 ctx->heap.front = s2 + 2;
adamc@1025 1568 return r;
adamc@1025 1569 }
adamc@1025 1570
adamc@574 1571 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 1572 char *r, *s2;
adamc@574 1573
adam@1446 1574 uw_check_script(ctx, strlen(s) * 4 + 3);
adamc@574 1575
adamc@666 1576 r = s2 = ctx->script.front;
adamc@574 1577 *s2++ = '"';
adamc@574 1578
adamc@574 1579 for (; *s; s++) {
adam@1286 1580 unsigned char c = *s;
adamc@574 1581
adamc@574 1582 switch (c) {
adamc@577 1583 case '\'':
adamc@1027 1584 strcpy(s2, "\\");
adamc@574 1585 s2 += 2;
adamc@574 1586 break;
adamc@574 1587 case '\\':
adamc@574 1588 strcpy(s2, "\\\\");
adamc@574 1589 s2 += 2;
adamc@574 1590 break;
adam@1457 1591 case '<':
adam@1457 1592 strcpy(s2, "\\074");
adam@1457 1593 s2 += 4;
adam@1457 1594 break;
adamc@574 1595 default:
adam@1286 1596 if (isprint((int)c) || c >= 128)
adamc@574 1597 *s2++ = c;
adamc@574 1598 else {
adam@1429 1599 sprintf(s2, "\\%03o", c);
adamc@574 1600 s2 += 4;
adamc@574 1601 }
adamc@574 1602 }
adamc@574 1603 }
adamc@574 1604
adamc@574 1605 strcpy(s2, "\"");
adamc@666 1606 ctx->script.front = s2 + 1;
adamc@574 1607 return r;
adamc@574 1608 }
adamc@574 1609
adamc@682 1610 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1611 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1612 return "null";
adamc@682 1613 else {
adamc@682 1614 int len;
adamc@682 1615 char *r;
adamc@682 1616
adamc@682 1617 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1618 r = ctx->heap.front;
adamc@682 1619 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1620 ctx->heap.front += len+1;
adamc@682 1621 return r;
adamc@682 1622 }
adamc@682 1623 }
adamc@682 1624
adam@1446 1625 uw_Basis_source uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 1626 int len;
adamc@577 1627 size_t s_len = strlen(s);
adamc@562 1628
grrwlf@1998 1629 if(ctx->id < 0)
grrwlf@1998 1630 uw_error(ctx, FATAL, "Attempt to create client source using inappropriate context");
grrwlf@1998 1631
adam@1446 1632 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1633 sprintf(ctx->script.front, "s%d_%llu=sc(exec(%n", ctx->id, ctx->source_count, &len);
adamc@666 1634 ctx->script.front += len;
adamc@666 1635 strcpy(ctx->script.front, s);
adamc@666 1636 ctx->script.front += s_len;
adamc@970 1637 strcpy(ctx->script.front, "));");
adamc@972 1638 ctx->script.front += 3;
adamc@562 1639
adam@1446 1640 uw_Basis_source r = {ctx->id, ctx->source_count++};
adam@1446 1641 return r;
adam@1446 1642 }
adam@1446 1643
adam@1446 1644 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_source src, uw_Basis_string s) {
adamc@577 1645 int len;
adamc@577 1646 size_t s_len = strlen(s);
adamc@577 1647
adam@1446 1648 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1649 sprintf(ctx->script.front, "sv(s%d_%llu,exec(%n", src.context, src.source, &len);
adamc@666 1650 ctx->script.front += len;
adamc@666 1651 strcpy(ctx->script.front, s);
adamc@666 1652 ctx->script.front += s_len;
adamc@970 1653 strcpy(ctx->script.front, "));");
adamc@972 1654 ctx->script.front += 3;
adamc@577 1655
adamc@577 1656 return uw_unit_v;
adamc@577 1657 }
adamc@577 1658
adamc@311 1659 static void uw_check(uw_context ctx, size_t extra) {
adam@1369 1660 ctx_uw_buffer_check(ctx, "page", &ctx->page, extra);
adamc@117 1661 }
adamc@117 1662
adamc@311 1663 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 1664 *(ctx->page.front)++ = c;
adam@1413 1665 *ctx->page.front = 0;
adamc@117 1666 }
adamc@117 1667
adamc@311 1668 void uw_writec(uw_context ctx, char c) {
adam@1413 1669 uw_check(ctx, 2);
adamc@311 1670 uw_writec_unsafe(ctx, c);
adamc@117 1671 }
adamc@117 1672
adam@2085 1673 void uw_Basis_writec(uw_context ctx, char c) {
adam@2085 1674 uw_writec(ctx, c);
adam@2085 1675 }
adam@2085 1676
adamc@311 1677 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 1678 int len = strlen(s);
adamc@666 1679 memcpy(ctx->page.front, s, len);
adamc@666 1680 ctx->page.front += len;
adamc@117 1681 }
adamc@117 1682
adamc@311 1683 void uw_write(uw_context ctx, const char* s) {
adamc@311 1684 uw_check(ctx, strlen(s) + 1);
adamc@311 1685 uw_write_unsafe(ctx, s);
adamc@666 1686 *ctx->page.front = 0;
adamc@102 1687 }
adamc@106 1688
adamc@311 1689 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 1690 char *result;
adamc@136 1691 int len;
adamc@311 1692 uw_check_heap(ctx, INTS_MAX);
adamc@666 1693 result = ctx->heap.front;
adamc@276 1694 sprintf(result, "%lld%n", n, &len);
adamc@666 1695 ctx->heap.front += len+1;
adamc@136 1696 return result;
adamc@106 1697 }
adamc@106 1698
adamc@311 1699 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 1700 char *result;
adamc@136 1701 int len;
adamc@311 1702 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1703 result = ctx->heap.front;
adam@1920 1704 sprintf(result, "%.16g%n", n, &len);
adamc@666 1705 ctx->heap.front += len+1;
adamc@136 1706 return result;
adamc@106 1707 }
adamc@106 1708
adamc@311 1709 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 1710 int len = strlen(s);
adamc@136 1711 char *result, *p;
adamc@311 1712 uw_check_heap(ctx, len * 6 + 1);
adamc@136 1713
adamc@666 1714 result = p = ctx->heap.front;
adamc@136 1715
adamc@136 1716 for (; *s; s++) {
adamc@1054 1717 unsigned char c = *s;
adamc@136 1718
adamc@136 1719 if (c == '"') {
adamc@136 1720 strcpy(p, "&quot;");
adamc@136 1721 p += 6;
adamc@136 1722 } else if (c == '&') {
adamc@136 1723 strcpy(p, "&amp;");
adamc@136 1724 p += 5;
adamc@136 1725 }
adamc@1059 1726 else
adamc@136 1727 *p++ = c;
adamc@136 1728 }
adamc@136 1729
adamc@137 1730 *p++ = 0;
adamc@666 1731 ctx->heap.front = p;
adamc@136 1732 return result;
adamc@106 1733 }
adamc@106 1734
adamc@1011 1735 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 1736 char *result, *p;
adamc@1011 1737 uw_check_heap(ctx, 7);
adamc@1011 1738
adamc@1011 1739 result = p = ctx->heap.front;
adamc@1011 1740
adamc@1011 1741 if (c == '"') {
adamc@1011 1742 strcpy(p, "&quot;");
adamc@1011 1743 p += 6;
adamc@1011 1744 } else if (c == '&') {
adamc@1011 1745 strcpy(p, "&amp;");
adamc@1011 1746 p += 5;
adamc@1011 1747 }
adamc@1059 1748 else
adamc@1011 1749 *p++ = c;
adamc@1011 1750
adamc@1011 1751 *p++ = 0;
adamc@1011 1752 ctx->heap.front = p;
adamc@1011 1753 return result;
adamc@1011 1754 }
adamc@1011 1755
adamc@721 1756 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721 1757 return s;
adamc@721 1758 }
adamc@721 1759
adamc@311 1760 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 1761 int len;
adamc@117 1762
adamc@666 1763 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1764 ctx->page.front += len;
adamc@106 1765 }
adamc@106 1766
adamc@428 1767 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1768 uw_check(ctx, INTS_MAX);
adamc@311 1769 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 1770
adamc@428 1771 return uw_unit_v;
adamc@106 1772 }
adamc@106 1773
adamc@428 1774 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 1775 int len;
adamc@117 1776
adamc@311 1777 uw_check(ctx, FLOATS_MAX);
adamc@666 1778 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1779 ctx->page.front += len;
adamc@428 1780
adamc@428 1781 return uw_unit_v;
adamc@117 1782 }
adamc@117 1783
adamc@428 1784 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1785 uw_check(ctx, strlen(s) * 6);
adamc@117 1786
adamc@106 1787 for (; *s; s++) {
adamc@1054 1788 unsigned char c = *s;
adamc@106 1789
adamc@106 1790 if (c == '"')
adamc@311 1791 uw_write_unsafe(ctx, "&quot;");
adamc@136 1792 else if (c == '&')
adamc@311 1793 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1794 else
adamc@311 1795 uw_writec_unsafe(ctx, c);
adamc@106 1796 }
adamc@428 1797
adamc@428 1798 return uw_unit_v;
adamc@106 1799 }
adamc@120 1800
adamc@1011 1801 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011 1802 uw_check(ctx, 6);
adamc@1011 1803
adamc@1011 1804 if (c == '"')
adamc@1011 1805 uw_write_unsafe(ctx, "&quot;");
adamc@1011 1806 else if (c == '&')
adamc@1011 1807 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1808 else
adamc@1011 1809 uw_writec_unsafe(ctx, c);
adamc@1011 1810
adamc@1011 1811 return uw_unit_v;
adamc@1011 1812 }
adamc@1011 1813
adamc@120 1814
adamc@311 1815 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 1816 int len;
adamc@137 1817 char *r;
adamc@137 1818
adamc@311 1819 uw_check_heap(ctx, INTS_MAX);
adamc@666 1820 r = ctx->heap.front;
adamc@276 1821 sprintf(r, "%lld%n", n, &len);
adamc@666 1822 ctx->heap.front += len+1;
adamc@137 1823 return r;
adamc@120 1824 }
adamc@120 1825
adamc@682 1826 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1827 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1828 return "";
adamc@682 1829 else {
adamc@682 1830 int len;
adamc@682 1831 char *r;
adamc@679 1832
adamc@682 1833 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1834 r = ctx->heap.front;
adamc@682 1835 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1836 ctx->heap.front += len+1;
adamc@682 1837 return r;
adamc@682 1838 }
adamc@679 1839 }
adamc@679 1840
adamc@311 1841 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 1842 int len;
adamc@137 1843 char *r;
adamc@137 1844
adamc@311 1845 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1846 r = ctx->heap.front;
adamc@137 1847 sprintf(r, "%g%n", n, &len);
adamc@666 1848 ctx->heap.front += len+1;
adamc@137 1849 return r;
adamc@120 1850 }
adamc@120 1851
adamc@311 1852 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1853 char *r, *p;
adamc@137 1854
adamc@925 1855 if (s[0] == '\0')
adamc@925 1856 return "_";
adamc@925 1857
adamc@925 1858 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925 1859
adamc@925 1860 r = p = ctx->heap.front;
adamc@925 1861 if (s[0] == '_')
adamc@925 1862 *p++ = '_';
adamc@925 1863
adamc@925 1864 for (; *s; s++) {
adamc@1087 1865 unsigned char c = *s;
adamc@137 1866
adamc@137 1867 if (c == ' ')
adamc@137 1868 *p++ = '+';
adamc@137 1869 else if (isalnum(c))
adamc@137 1870 *p++ = c;
adamc@137 1871 else {
adamc@1259 1872 sprintf(p, ".%02X", c);
adamc@137 1873 p += 3;
adamc@137 1874 }
adamc@137 1875 }
adamc@137 1876
adamc@137 1877 *p++ = 0;
adamc@666 1878 ctx->heap.front = p;
adamc@137 1879 return r;
adamc@120 1880 }
adamc@120 1881
adamc@311 1882 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1883 if (b == uw_Basis_False)
adamc@186 1884 return "0";
adamc@186 1885 else
adamc@186 1886 return "1";
adamc@186 1887 }
adamc@186 1888
adam@1620 1889 char *uw_Basis_urlifySource(uw_context ctx, uw_Basis_source src) {
adam@1620 1890 char *r;
adam@1620 1891 int len;
adam@1620 1892 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1620 1893 r = ctx->heap.front;
adam@1620 1894 sprintf(r, "%d/%llu%n", src.context, src.source, &len);
adam@1620 1895 ctx->heap.front += len+1;
adam@1620 1896 return r;
adam@1620 1897 }
adam@1620 1898
adamc@311 1899 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1900 int len;
adamc@120 1901
adamc@666 1902 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1903 ctx->page.front += len;
adamc@120 1904 }
adamc@120 1905
adamc@428 1906 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1907 uw_check(ctx, INTS_MAX);
adamc@311 1908 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1909
adamc@428 1910 return uw_unit_v;
adamc@120 1911 }
adamc@120 1912
adamc@682 1913 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1914 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1915 int len;
phurst@1981 1916
adamc@682 1917 uw_check(ctx, INTS_MAX + 1);
adamc@682 1918 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1919 ctx->page.front += len;
adamc@682 1920 }
phurst@1981 1921
adamc@679 1922 return uw_unit_v;
adamc@679 1923 }
adamc@679 1924
adamc@428 1925 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1926 int len;
adamc@120 1927
adamc@311 1928 uw_check(ctx, FLOATS_MAX);
adamc@666 1929 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1930 ctx->page.front += len;
adamc@428 1931
adamc@428 1932 return uw_unit_v;
adamc@120 1933 }
adamc@120 1934
adamc@488 1935 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@1376 1936 return uw_Basis_urlifyInt(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adamc@488 1937 }
adamc@488 1938
adam@1404 1939 uw_unit uw_Basis_urlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1404 1940 return uw_Basis_urlifyInt_w(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adam@1404 1941 }
adam@1404 1942
adamc@428 1943 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925 1944 if (s[0] == '\0') {
adamc@925 1945 uw_check(ctx, 1);
adamc@925 1946 uw_writec_unsafe(ctx, '_');
adamc@925 1947 return uw_unit_v;
adamc@925 1948 }
adamc@925 1949
adamc@925 1950 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925 1951
adamc@925 1952 if (s[0] == '_')
adamc@925 1953 uw_writec_unsafe(ctx, '_');
adamc@120 1954
adamc@120 1955 for (; *s; s++) {
adamc@1087 1956 unsigned char c = *s;
adamc@120 1957
adamc@120 1958 if (c == ' ')
adamc@311 1959 uw_writec_unsafe(ctx, '+');
adamc@120 1960 else if (isalnum(c))
adamc@311 1961 uw_writec_unsafe(ctx, c);
adamc@120 1962 else {
adamc@1259 1963 sprintf(ctx->page.front, ".%02X", c);
adamc@666 1964 ctx->page.front += 3;
adamc@120 1965 }
adamc@120 1966 }
adamc@428 1967
adamc@428 1968 return uw_unit_v;
adamc@120 1969 }
adamc@120 1970
adamc@428 1971 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1972 if (b == uw_Basis_False)
adamc@311 1973 uw_writec(ctx, '0');
adamc@186 1974 else
adamc@311 1975 uw_writec(ctx, '1');
adamc@428 1976
adamc@428 1977 return uw_unit_v;
adamc@186 1978 }
adamc@186 1979
adam@1620 1980 uw_unit uw_Basis_urlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1620 1981 int len;
phurst@1981 1982
adam@1620 1983 uw_check(ctx, 2 * INTS_MAX + 2);
adam@1620 1984 sprintf(ctx->page.front, "%d/%llu%n", src.context, src.source, &len);
adam@1620 1985 ctx->page.front += len;
phurst@1981 1986
adam@1620 1987 return uw_unit_v;
adam@1620 1988 }
adam@1620 1989
adamc@120 1990
adamc@311 1991 static char *uw_unurlify_advance(char *s) {
adamc@144 1992 char *new_s = strchr(s, '/');
adamc@120 1993
adamc@120 1994 if (new_s)
adamc@120 1995 *new_s++ = 0;
adamc@120 1996 else
adamc@144 1997 new_s = strchr(s, 0);
adamc@144 1998
adamc@144 1999 return new_s;
adamc@144 2000 }
adamc@144 2001
adamc@311 2002 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 2003 char *new_s = uw_unurlify_advance(*s);
adamc@311 2004 uw_Basis_int r;
adamc@120 2005
adamc@276 2006 r = atoll(*s);
adamc@120 2007 *s = new_s;
adamc@120 2008 return r;
adamc@120 2009 }
adamc@120 2010
adamc@311 2011 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 2012 char *new_s = uw_unurlify_advance(*s);
adamc@311 2013 uw_Basis_float r;
adamc@120 2014
adamc@120 2015 r = atof(*s);
adamc@120 2016 *s = new_s;
adamc@120 2017 return r;
adamc@120 2018 }
adamc@120 2019
adamc@488 2020 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adam@1365 2021 uw_Basis_int n = uw_Basis_unurlifyInt(ctx, s);
adam@1365 2022 uw_Basis_time r = {n / 1000000, n % 1000000};
adam@1365 2023 return r;
adamc@488 2024 }
adamc@488 2025
adamc@1023 2026 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char *r, char *s) {
adamc@927 2027 char *s1, *s2 = s;
adamc@144 2028 int n;
adamc@136 2029
adamc@1023 2030 if (!fromClient) {
adamc@1023 2031 if (*s2 == '_')
adamc@1023 2032 ++s2;
adamc@1259 2033 else if ((s2[0] == '%' || s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@1023 2034 s2 += 3;
adamc@1023 2035 }
adamc@925 2036
adamc@927 2037 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087 2038 unsigned char c = *s2;
adamc@136 2039
adamc@136 2040 switch (c) {
adamc@136 2041 case '+':
adamc@136 2042 *s1 = ' ';
adamc@136 2043 break;
adamc@136 2044 case '%':
adamc@169 2045 if (s2[1] == 0)
adamc@311 2046 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 2047 if (s2[2] == 0)
adamc@311 2048 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 2049 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 2050 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@136 2051 *s1 = n;
adamc@136 2052 s2 += 2;
adamc@136 2053 break;
adamc@1259 2054 case '.':
adamc@1259 2055 if (!fromClient) {
adamc@1259 2056 if (s2[1] == 0)
adamc@1259 2057 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259 2058 if (s2[2] == 0)
adamc@1259 2059 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259 2060 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 2061 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@1259 2062 *s1 = n;
adamc@1259 2063 s2 += 2;
adamc@1259 2064 break;
adamc@1259 2065 }
adamc@136 2066 default:
adamc@136 2067 *s1 = c;
adamc@136 2068 }
adamc@136 2069 }
adamc@136 2070 *s1++ = 0;
adamc@144 2071 return s1;
adamc@144 2072 }
adamc@144 2073
adamc@311 2074 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 2075 char *new_s = uw_unurlify_advance(*s);
adamc@311 2076 uw_Basis_bool r;
phurst@1981 2077
adamc@186 2078 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 2079 r = uw_Basis_False;
adamc@186 2080 else
adamc@311 2081 r = uw_Basis_True;
adamc@186 2082
adamc@186 2083 *s = new_s;
adamc@186 2084 return r;
adamc@186 2085 }
adamc@186 2086
adamc@311 2087 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 2088 char *new_s = uw_unurlify_advance(*s);
adamc@1134 2089 char *r;
adamc@1134 2090 int len;
adamc@144 2091
adamc@200 2092 len = strlen(*s);
adamc@311 2093 uw_check_heap(ctx, len + 1);
adamc@144 2094
adamc@666 2095 r = ctx->heap.front;
adamc@1023 2096 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023 2097 *s = new_s;
adamc@1023 2098 return r;
adamc@1023 2099 }
adamc@1023 2100
adamc@1109 2101 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109 2102 *s = uw_unurlify_advance(*s);
adamc@1109 2103 return uw_unit_v;
adamc@1109 2104 }
adamc@1109 2105
adamc@1023 2106 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023 2107 char *new_s = uw_unurlify_advance(*s);
adamc@1134 2108 char *r;
adamc@1134 2109 int len;
adamc@1023 2110
adamc@1023 2111 len = strlen(*s);
adamc@1023 2112 uw_check_heap(ctx, len + 1);
adamc@1023 2113
adamc@1023 2114 r = ctx->heap.front;
adamc@1023 2115 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136 2116 *s = new_s;
adamc@136 2117 return r;
adamc@120 2118 }
adamc@135 2119
adamc@135 2120
adamc@311 2121 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 2122 int len;
adamc@286 2123 char *r;
adamc@286 2124
adamc@311 2125 uw_check_heap(ctx, INTS_MAX);
adamc@666 2126 r = ctx->heap.front;
adamc@286 2127 sprintf(r, "%lld%n", n, &len);
adamc@666 2128 ctx->heap.front += len+1;
adamc@286 2129 return r;
adamc@286 2130 }
adamc@286 2131
adamc@428 2132 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 2133 int len;
adamc@286 2134
adamc@311 2135 uw_check(ctx, INTS_MAX);
adamc@666 2136 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 2137 ctx->page.front += len;
phurst@1981 2138
adamc@428 2139 return uw_unit_v;
adamc@286 2140 }
adamc@286 2141
adam@1358 2142 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358 2143 unsigned int n = ch;
adam@1358 2144 int len;
adam@1358 2145 char *r;
adam@1358 2146
adam@1358 2147 uw_check_heap(ctx, INTS_MAX+3);
adam@1358 2148 r = ctx->heap.front;
adam@1358 2149 sprintf(r, "&#%u;%n", n, &len);
adam@1358 2150 ctx->heap.front += len+1;
adam@1358 2151 return r;
adam@1358 2152 }
adam@1358 2153
adam@1358 2154 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358 2155 unsigned int n = ch;
adam@1358 2156 int len;
adam@1358 2157
adam@1358 2158 uw_check(ctx, INTS_MAX+3);
adam@1358 2159 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358 2160 ctx->page.front += len;
adam@1358 2161 return uw_unit_v;
adam@1358 2162 }
adam@1358 2163
adamc@311 2164 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 2165 int len;
adamc@286 2166 char *r;
adamc@286 2167
adamc@311 2168 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2169 r = ctx->heap.front;
adamc@286 2170 sprintf(r, "%g%n", n, &len);
adamc@666 2171 ctx->heap.front += len+1;
adamc@286 2172 return r;
adamc@286 2173 }
adamc@286 2174
adamc@428 2175 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 2176 int len;
adamc@286 2177
adamc@311 2178 uw_check(ctx, FLOATS_MAX);
adamc@666 2179 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 2180 ctx->page.front += len;
adamc@428 2181
adamc@428 2182 return uw_unit_v;
adamc@286 2183 }
adamc@286 2184
adam@1365 2185 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time t) {
adam@1360 2186 int len;
adam@1360 2187 char *r;
adam@1360 2188
adam@1360 2189 uw_check_heap(ctx, INTS_MAX);
adam@1360 2190 r = ctx->heap.front;
adamc@1377 2191 sprintf(r, "%lld%n", (uw_Basis_int)t.seconds * 1000000 + t.microseconds, &len);
adam@1360 2192 ctx->heap.front += len+1;
adam@1360 2193 return r;
adam@1360 2194 }
adam@1360 2195
adam@1365 2196 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_int n) {
adam@1360 2197 int len;
adam@1360 2198
adam@1360 2199 uw_check(ctx, INTS_MAX);
adam@1360 2200 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360 2201 ctx->page.front += len;
phurst@1981 2202
adam@1360 2203 return uw_unit_v;
adam@1360 2204 }
adam@1360 2205
adam@1444 2206 char *uw_Basis_htmlifyString(uw_context ctx, const char *s) {
adamc@137 2207 char *r, *s2;
adamc@137 2208
adamc@311 2209 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 2210
adamc@666 2211 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054 2212 unsigned char c = *s;
adamc@137 2213
adamc@137 2214 switch (c) {
adamc@137 2215 case '<':
adamc@137 2216 strcpy(s2, "&lt;");
adamc@137 2217 s2 += 4;
adamc@137 2218 break;
adamc@137 2219 case '&':
adamc@137 2220 strcpy(s2, "&amp;");
adamc@137 2221 s2 += 5;
adamc@137 2222 break;
adamc@137 2223 default:
adamc@1059 2224 *s2++ = c;
adamc@137 2225 }
adamc@137 2226 }
adamc@137 2227
adamc@137 2228 *s2++ = 0;
adamc@666 2229 ctx->heap.front = s2;
adamc@137 2230 return r;
adamc@135 2231 }
adamc@135 2232
adamc@428 2233 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 2234 uw_check(ctx, strlen(s) * 6);
adamc@135 2235
adamc@135 2236 for (; *s; s++) {
adamc@1054 2237 unsigned char c = *s;
adamc@135 2238
adamc@135 2239 switch (c) {
adamc@135 2240 case '<':
adamc@311 2241 uw_write_unsafe(ctx, "&lt;");
adamc@135 2242 break;
adamc@135 2243 case '&':
adamc@311 2244 uw_write_unsafe(ctx, "&amp;");
adamc@135 2245 break;
adamc@135 2246 default:
adamc@1059 2247 uw_writec_unsafe(ctx, c);
adamc@135 2248 }
adamc@135 2249 }
adamc@428 2250
adamc@428 2251 return uw_unit_v;
adamc@135 2252 }
adamc@180 2253
adamc@311 2254 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2255 if (b == uw_Basis_False)
adamc@286 2256 return "False";
adamc@286 2257 else
adamc@286 2258 return "True";
adamc@286 2259 }
adamc@286 2260
adamc@428 2261 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 2262 if (b == uw_Basis_False) {
adamc@311 2263 uw_check(ctx, 6);
adamc@666 2264 strcpy(ctx->page.front, "False");
adamc@666 2265 ctx->page.front += 5;
adamc@286 2266 } else {
adamc@311 2267 uw_check(ctx, 5);
adamc@666 2268 strcpy(ctx->page.front, "True");
adamc@666 2269 ctx->page.front += 4;
adamc@286 2270 }
adamc@428 2271
adamc@428 2272 return uw_unit_v;
adamc@286 2273 }
adamc@286 2274
adamc@436 2275 #define TIME_FMT "%x %X"
adamc@438 2276 #define TIME_FMT_PG "%Y-%m-%d %T"
adam@1632 2277 #define TIME_FMT_JS "%Y/%m/%d %T"
adamc@436 2278
adam@1629 2279 uw_Basis_string uw_Basis_timeToString(uw_context, uw_Basis_time);
adam@1629 2280
adamc@436 2281 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adam@1629 2282 return uw_Basis_htmlifyString(ctx, uw_Basis_timeToString(ctx, t));
adamc@436 2283 }
adamc@436 2284
adamc@436 2285 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1629 2286 return uw_Basis_htmlifyString_w(ctx, uw_Basis_timeToString(ctx, t));
adamc@436 2287 }
adamc@436 2288
adam@1446 2289 char *uw_Basis_htmlifySource(uw_context ctx, uw_Basis_source src) {
adam@1446 2290 int len;
adam@1446 2291 char *r;
adam@1446 2292
adam@1446 2293 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1446 2294 r = ctx->heap.front;
adam@1446 2295 sprintf(r, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2296 ctx->heap.front += len+1;
adam@1446 2297 return r;
adam@1446 2298 }
adam@1446 2299
adam@1446 2300 uw_unit uw_Basis_htmlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1446 2301 int len;
adam@1446 2302
adam@1446 2303 uw_check(ctx, 2 * INTS_MAX + 1);
adam@1446 2304 sprintf(ctx->page.front, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2305 ctx->page.front += len;
phurst@1981 2306
adam@1446 2307 return uw_unit_v;
adam@1446 2308 }
adam@1446 2309
adamc@821 2310 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2311 while (n >= 0) {
adam@1388 2312 if (*s == 0)
adam@1388 2313 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adam@1388 2314
adam@1388 2315 if (n == 0)
adam@1388 2316 return *s;
adam@1388 2317
adam@1388 2318 --n;
adam@1388 2319 ++s;
adam@1388 2320 }
adam@1388 2321
adam@1388 2322 uw_error(ctx, FATAL, "Negative strsub bound");
adamc@821 2323 }
adamc@821 2324
adamc@821 2325 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2326 while (n >= 0) {
adam@1388 2327 if (*s == 0 || n == 0)
adam@1388 2328 return s;
adam@1388 2329
adam@1388 2330 --n;
adam@1388 2331 ++s;
adam@1388 2332 }
adam@1388 2333
adam@1388 2334 uw_error(ctx, FATAL, "Negative strsuffix bound");
adamc@821 2335 }
adamc@821 2336
adamc@828 2337 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 2338 return strlen(s);
adamc@828 2339 }
adamc@828 2340
adam@1388 2341 uw_Basis_bool uw_Basis_strlenGe(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2342 while (n > 0) {
adam@1388 2343 if (*s == 0)
adam@1388 2344 return uw_Basis_False;
adam@1388 2345
adam@1388 2346 --n;
adam@1388 2347 ++s;
adam@1388 2348 }
adam@1388 2349
adam@1388 2350 return uw_Basis_True;
adam@1388 2351 }
adam@1388 2352
adamc@829 2353 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2354 return strchr(s, ch);
adamc@829 2355 }
adamc@829 2356
adamc@831 2357 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 2358 return strcspn(s, chs);
adamc@831 2359 }
adamc@831 2360
adamc@829 2361 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2362 uw_Basis_string r = strchr(s, ch);
adamc@829 2363 if (r == NULL)
adamc@829 2364 return NULL;
adamc@829 2365 else {
adamc@829 2366 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 2367 *nr = r - s;
adamc@829 2368 return nr;
adamc@829 2369 }
adamc@829 2370 }
adamc@829 2371
adam@1390 2372 uw_Basis_int *uw_Basis_strsindex(uw_context ctx, const char *haystack, const char *needle) {
adam@1390 2373 uw_Basis_string r = strstr(haystack, needle);
adam@1390 2374 if (r == NULL)
adam@1390 2375 return NULL;
adam@1390 2376 else {
adam@1390 2377 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adam@1390 2378 *nr = r - haystack;
adam@1390 2379 return nr;
adam@1390 2380 }
adam@1390 2381 }
adam@1390 2382
adamc@311 2383 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 2384 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 2385 char *s;
adamc@180 2386
adamc@311 2387 uw_check_heap(ctx, len);
adamc@180 2388
adamc@666 2389 s = ctx->heap.front;
adamc@180 2390
adamc@180 2391 strcpy(s, s1);
adamc@180 2392 strcat(s, s2);
adamc@666 2393 ctx->heap.front += len;
adamc@180 2394
adamc@180 2395 return s;
adamc@180 2396 }
adamc@278 2397
adamc@829 2398 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 2399 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 2400
adamc@829 2401 if (start < 0)
adamc@829 2402 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 2403 if (len < 0)
adamc@829 2404 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 2405 if (start + len > full_len)
adamc@829 2406 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 2407
adamc@829 2408 if (start + len == full_len)
adamc@829 2409 return &s[start];
adamc@829 2410 else {
adamc@829 2411 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 2412 memcpy(r, s+start, len);
adamc@829 2413 r[len] = 0;
adamc@829 2414 return r;
adamc@829 2415 }
phurst@1981 2416
adamc@829 2417 }
adamc@829 2418
adamc@1023 2419 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023 2420 char *r;
adamc@1023 2421
adamc@1023 2422 uw_check_heap(ctx, 2);
adamc@1023 2423 r = ctx->heap.front;
adamc@1023 2424 r[0] = ch;
adamc@1023 2425 r[1] = 0;
adamc@1023 2426
adamc@1023 2427 ctx->heap.front += 2;
adamc@1023 2428
adamc@1023 2429 return r;
adamc@1023 2430 }
adamc@1023 2431
adamc@737 2432 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 2433 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 2434 char *s;
adamc@278 2435
adamc@311 2436 uw_check_heap(ctx, len);
adamc@278 2437
adamc@666 2438 s = ctx->heap.front;
adamc@278 2439
adamc@278 2440 strcpy(s, s1);
adamc@666 2441 ctx->heap.front += len;
adamc@278 2442
adamc@278 2443 return s;
adamc@278 2444 }
adamc@280 2445
adam@1295 2446 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295 2447 if (ctx->error_message[0]) {
adam@1295 2448 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295 2449 ctx->error_message[0] = 0;
adam@1295 2450 return s;
adam@1295 2451 } else
adam@1295 2452 return NULL;
adam@1295 2453 }
adam@1295 2454
adamc@737 2455 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 2456 if (s1)
adamc@737 2457 return uw_strdup(ctx, s1);
adamc@493 2458 else
adamc@493 2459 return NULL;
adamc@493 2460 }
adamc@493 2461
adamc@742 2462 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 2463 char *r = uw_malloc(ctx, len);
adamc@742 2464 memcpy(r, p, len);
adamc@742 2465 return r;
adamc@742 2466 }
adamc@280 2467
adamc@879 2468 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 2469
adamc@311 2470 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 2471 int len;
adamc@281 2472 char *r;
adamc@281 2473
adamc@311 2474 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 2475 r = ctx->heap.front;
adamc@879 2476 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 2477 ctx->heap.front += len+1;
adamc@281 2478 return r;
adamc@281 2479 }
adamc@281 2480
adamc@467 2481 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 2482 if (n == NULL)
adamc@467 2483 return "NULL";
adamc@467 2484 else
adamc@467 2485 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 2486 }
adamc@467 2487
adam@1920 2488 char *uw_sqlfmtFloat = "%.16g::float8%n";
adamc@879 2489
adamc@311 2490 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 2491 int len;
adamc@281 2492 char *r;
adamc@281 2493
adamc@311 2494 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 2495 r = ctx->heap.front;
adamc@879 2496 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 2497 ctx->heap.front += len+1;
adamc@281 2498 return r;
adamc@281 2499 }
adamc@281 2500
adamc@467 2501 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 2502 if (n == NULL)
adamc@467 2503 return "NULL";
adamc@467 2504 else
adamc@467 2505 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 2506 }
adamc@467 2507
adam@1834 2508 int uw_Estrings = 1, uw_sql_type_annotations = 1;
adamc@879 2509 char *uw_sqlsuffixString = "::text";
adamc@1011 2510 char *uw_sqlsuffixChar = "::char";
adamc@281 2511
adamc@311 2512 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 2513 char *r, *s2;
adamc@280 2514
adamc@879 2515 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 2516
adamc@666 2517 r = s2 = ctx->heap.front;
adamc@879 2518 if (uw_Estrings)
adamc@879 2519 *s2++ = 'E';
adamc@280 2520 *s2++ = '\'';
adamc@280 2521
adamc@280 2522 for (; *s; s++) {
adamc@280 2523 char c = *s;
adamc@280 2524
adamc@280 2525 switch (c) {
adamc@280 2526 case '\'':
adamc@885 2527 if (uw_Estrings)
adamc@885 2528 strcpy(s2, "\\'");
adamc@885 2529 else
adamc@885 2530 strcpy(s2, "''");
adamc@280 2531 s2 += 2;
adamc@280 2532 break;
adamc@280 2533 case '\\':
adamc@885 2534 if (uw_Estrings) {
adamc@885 2535 strcpy(s2, "\\\\");
adamc@885 2536 s2 += 2;
adamc@885 2537 } else
adamc@885 2538 *s2++ = '\\';
adamc@280 2539 break;
adamc@280 2540 default:
adamc@1150 2541 if (isprint((int)c))
adamc@280 2542 *s2++ = c;
adamc@879 2543 else if (uw_Estrings) {
adam@1857 2544 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@280 2545 s2 += 4;
adamc@280 2546 }
adamc@879 2547 else
adam@1689 2548 *s2++ = c; // I hope this is safe to do... don't know how to support UTF-8 outside Postgres otherwise!
adamc@280 2549 }
adamc@280 2550 }
adamc@280 2551
adamc@879 2552 *s2++ = '\'';
adamc@879 2553 strcpy(s2, uw_sqlsuffixString);
adamc@879 2554 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2555 return r;
adamc@280 2556 }
adamc@281 2557
adamc@1011 2558 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 2559 char *r, *s2;
adamc@1011 2560
adamc@1011 2561 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011 2562
adamc@1011 2563 r = s2 = ctx->heap.front;
adamc@1011 2564 if (uw_Estrings)
adamc@1011 2565 *s2++ = 'E';
adamc@1011 2566 *s2++ = '\'';
adamc@1011 2567
adamc@1011 2568 switch (c) {
adamc@1011 2569 case '\'':
adamc@1011 2570 if (uw_Estrings)
adamc@1011 2571 strcpy(s2, "\\'");
adamc@1011 2572 else
adamc@1011 2573 strcpy(s2, "''");
adamc@1011 2574 s2 += 2;
adamc@1011 2575 break;
adamc@1011 2576 case '\\':
adamc@1011 2577 if (uw_Estrings) {
adamc@1011 2578 strcpy(s2, "\\\\");
adamc@1011 2579 s2 += 2;
adamc@1011 2580 } else
adamc@1011 2581 *s2++ = '\\';
adamc@1011 2582 break;
adamc@1011 2583 default:
adamc@1150 2584 if (isprint((int)c))
adamc@1011 2585 *s2++ = c;
adamc@1011 2586 else if (uw_Estrings) {
adam@1857 2587 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1011 2588 s2 += 4;
adamc@1011 2589 }
adamc@1011 2590 else
adamc@1011 2591 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011 2592 }
adamc@1011 2593
adamc@1011 2594 *s2++ = '\'';
adamc@1011 2595 strcpy(s2, uw_sqlsuffixChar);
adamc@1011 2596 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011 2597 return r;
adamc@1011 2598 }
adamc@1011 2599
adamc@879 2600 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2601
adam@1867 2602 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2603 char *r, *s2;
adamc@737 2604 size_t i;
adamc@737 2605
adam@1867 2606 uw_check_heap(ctx, b.size * 5 + 4 + strlen(uw_sqlsuffixBlob));
adamc@737 2607
adamc@737 2608 r = s2 = ctx->heap.front;
adamc@879 2609 if (uw_Estrings)
adamc@879 2610 *s2++ = 'E';
adam@1867 2611 else
adam@1867 2612 *s2++ = 'X';
adamc@737 2613 *s2++ = '\'';
adamc@737 2614
adamc@737 2615 for (i = 0; i < b.size; ++i) {
adam@1867 2616 unsigned char c = b.data[i];
adam@1867 2617
adam@1867 2618 if (uw_Estrings) {
adam@1867 2619 switch (c) {
adam@1867 2620 case '\'':
adamc@885 2621 strcpy(s2, "\\'");
adam@1867 2622 s2 += 2;
adam@1867 2623 break;
adam@1867 2624 case '\\':
adamc@885 2625 strcpy(s2, "\\\\\\\\");
adamc@885 2626 s2 += 4;
adam@1867 2627 break;
adam@1867 2628 default:
adam@1867 2629 if (isprint((int)c))
adam@1867 2630 *s2++ = c;
adam@1867 2631 else {
adam@1867 2632 sprintf(s2, "\\\\%03o", c);
adam@1867 2633 s2 += 5;
adam@1867 2634 }
adamc@737 2635 }
adam@1867 2636 } else {
adam@1867 2637 sprintf(s2, "%02X", c);
adam@1867 2638 s2 += 2;
adamc@737 2639 }
phurst@1981 2640 }
adamc@737 2641
adamc@879 2642 *s2++ = '\'';
adamc@879 2643 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2644 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2645 return r;
adamc@737 2646 }
adamc@737 2647
adamc@682 2648 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2649 int len;
adamc@682 2650 char *r;
adamc@682 2651 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2652
adamc@682 2653 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2654 r = ctx->heap.front;
adamc@879 2655 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2656 ctx->heap.front += len+1;
adamc@682 2657 return r;
adamc@682 2658 }
adamc@682 2659
adamc@682 2660 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2661 int len;
adamc@682 2662 char *r;
adamc@682 2663 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2664
adamc@682 2665 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2666 r = ctx->heap.front;
adamc@682 2667 sprintf(r, "%lld%n", combo, &len);
adamc@682 2668 ctx->heap.front += len+1;
adamc@682 2669 return r;
adamc@682 2670 }
adamc@682 2671
adamc@879 2672 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2673
adamc@682 2674 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2675 int len;
adamc@682 2676 char *r;
adamc@682 2677
adamc@682 2678 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2679 r = ctx->heap.front;
adamc@879 2680 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2681 ctx->heap.front += len+1;
adamc@682 2682 return r;
adamc@682 2683 }
adamc@682 2684
adamc@682 2685 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2686 int len;
adamc@682 2687 char *r;
adamc@682 2688
adamc@682 2689 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2690 r = ctx->heap.front;
adamc@682 2691 sprintf(r, "%u%n", cli, &len);
adamc@682 2692 ctx->heap.front += len+1;
adamc@682 2693 return r;
adamc@682 2694 }
adamc@682 2695
adamc@467 2696 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2697 if (s == NULL)
adamc@467 2698 return "NULL";
adamc@467 2699 else
adamc@467 2700 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2701 }
adamc@467 2702
adamc@311 2703 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2704 if (b == uw_Basis_False)
adamc@281 2705 return "FALSE";
adamc@281 2706 else
adamc@281 2707 return "TRUE";
adamc@281 2708 }
adamc@282 2709
adamc@467 2710 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2711 if (b == NULL)
adamc@467 2712 return "NULL";
adamc@467 2713 else
adamc@467 2714 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2715 }
adamc@467 2716
adamc@439 2717 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2718 size_t len;
adamc@682 2719 char *r, *s;
adam@1392 2720 struct tm stm = {};
adam@1392 2721 stm.tm_isdst = -1;
adamc@682 2722
adam@1365 2723 if (localtime_r(&t.seconds, &stm)) {
adamc@682 2724 s = uw_malloc(ctx, TIMES_MAX);
adam@1364 2725 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1834 2726 if (uw_sql_type_annotations) {
adam@1834 2727 if (t.microseconds) {
adam@1834 2728 r = uw_malloc(ctx, len + 21);
adam@1834 2729 sprintf(r, "'%s.%06u'::timestamp", s, t.microseconds);
adam@1834 2730 } else {
adam@1834 2731 r = uw_malloc(ctx, len + 14);
adam@1834 2732 sprintf(r, "'%s'::timestamp", s);
adam@1834 2733 }
adam@1367 2734 } else {
adam@1834 2735 r = uw_malloc(ctx, len + 3);
adam@1834 2736 sprintf(r, "'%s'", s);
adam@1367 2737 }
adamc@682 2738 return r;
adamc@682 2739 } else
adamc@682 2740 return "<Invalid time>";
adamc@682 2741 }
adamc@682 2742
adamc@682 2743 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2744 size_t len;
adamc@439 2745 char *r;
adam@1392 2746 struct tm stm = {};
adam@1392 2747 stm.tm_isdst = -1;
adamc@439 2748
adam@1365 2749 if (localtime_r(&t.seconds, &stm)) {
adamc@439 2750 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2751 r = ctx->heap.front;
adamc@439 2752 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2753 ctx->heap.front += len+1;
adamc@439 2754 return r;
adamc@439 2755 } else
adamc@439 2756 return "<Invalid time>";
adamc@439 2757 }
adamc@439 2758
adam@1364 2759 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364 2760 size_t len;
adam@1364 2761 char *r;
adam@1392 2762 struct tm stm = {};
adam@1392 2763 stm.tm_isdst = -1;
adam@1364 2764
adam@1365 2765 if (localtime_r(&t.seconds, &stm)) {
adam@1364 2766 uw_check_heap(ctx, TIMES_MAX);
adam@1364 2767 r = ctx->heap.front;
adam@1365 2768 len = strftime(r, TIMES_MAX-7, TIME_FMT_PG, &stm);
adam@1365 2769 ctx->heap.front += len;
adam@1365 2770 sprintf(ctx->heap.front, ".%06u", t.microseconds);
adam@1365 2771 ctx->heap.front += 8;
adam@1364 2772 return r;
adam@1364 2773 } else
adam@1364 2774 return "<Invalid time>";
adam@1364 2775 }
adam@1364 2776
adamc@467 2777 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2778 if (t == NULL)
adamc@467 2779 return "NULL";
adamc@467 2780 else
adamc@467 2781 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2782 }
adamc@467 2783
adamc@311 2784 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2785 static uw_Basis_int true = 1;
adamc@311 2786 static uw_Basis_int false = 0;
adamc@282 2787
adamc@311 2788 if (b == uw_Basis_False)
adamc@282 2789 return (char *)&false;
adamc@282 2790 else
adamc@282 2791 return (char *)&true;
adamc@282 2792 }
adamc@284 2793
adamc@311 2794 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2795 int len;
adamc@284 2796 char *r;
adamc@284 2797
adamc@311 2798 uw_check_heap(ctx, INTS_MAX);
adamc@666 2799 r = ctx->heap.front;
adamc@284 2800 sprintf(r, "%lld%n", n, &len);
adamc@666 2801 ctx->heap.front += len+1;
adamc@284 2802 return r;
adamc@284 2803 }
adamc@285 2804
adamc@311 2805 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2806 int len;
adamc@285 2807 char *r;
adamc@285 2808
adamc@311 2809 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2810 r = ctx->heap.front;
adamc@285 2811 sprintf(r, "%g%n", n, &len);
adamc@666 2812 ctx->heap.front += len+1;
adamc@285 2813 return r;
adamc@285 2814 }
adamc@285 2815
adamc@821 2816 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2817 char *r = uw_malloc(ctx, 2);
adamc@821 2818 r[0] = ch;
adamc@821 2819 r[1] = 0;
adamc@821 2820 return r;
adamc@821 2821 }
adamc@821 2822
adamc@311 2823 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2824 if (b == uw_Basis_False)
adamc@285 2825 return "False";
adamc@285 2826 else
adamc@285 2827 return "True";
adamc@285 2828 }
adamc@288 2829
adam@1359 2830 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352 2831 size_t len;
adam@1352 2832 char *r;
adam@1392 2833 struct tm stm = {};
adam@1392 2834 stm.tm_isdst = -1;
adam@1352 2835
adam@1365 2836 if (localtime_r(&t.seconds, &stm)) {
adam@1352 2837 uw_check_heap(ctx, TIMES_MAX);
adam@1352 2838 r = ctx->heap.front;
adam@1352 2839 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352 2840 ctx->heap.front += len+1;
adam@1352 2841 return r;
adam@1352 2842 } else
adam@1352 2843 return "<Invalid time>";
adam@1352 2844 }
adam@1352 2845
adam@1629 2846 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adam@1629 2847 return uw_Basis_timef(ctx, ctx->app->time_format, t);
adam@1629 2848 }
adam@1629 2849
adamc@311 2850 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2851 char *endptr;
adamc@311 2852 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2853
adamc@288 2854 if (*s != '\0' && *endptr == '\0') {
adamc@311 2855 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2856 *r = n;
adamc@288 2857 return r;
adamc@288 2858 } else
adamc@288 2859 return NULL;
adamc@288 2860 }
adamc@289 2861
adamc@311 2862 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2863 char *endptr;
adamc@311 2864 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2865
adamc@289 2866 if (*s != '\0' && *endptr == '\0') {
adamc@311 2867 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2868 *r = n;
adamc@289 2869 return r;
adamc@289 2870 } else
adamc@289 2871 return NULL;
adamc@289 2872 }
adamc@289 2873
adamc@821 2874 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2875 if (s[0] == 0) {
adamc@821 2876 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2877 r[0] = 0;
adamc@821 2878 return r;
adamc@821 2879 } else if (s[1] != 0)
adamc@821 2880 return NULL;
adamc@821 2881 else {
adamc@821 2882 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2883 r[0] = s[0];
adamc@821 2884 return r;
adamc@821 2885 }
adamc@821 2886 }
adamc@821 2887
adamc@311 2888 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2889 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2890 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2891
adamc@289 2892 if (!strcasecmp (s, "True"))
adamc@289 2893 return &true;
adamc@289 2894 else if (!strcasecmp (s, "False"))
adamc@289 2895 return &false;
adamc@289 2896 else
adamc@289 2897 return NULL;
adamc@289 2898 }
adamc@292 2899
adamc@436 2900 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2901 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1374 2902 struct tm stm = {};
adam@1392 2903 stm.tm_isdst = -1;
adamc@436 2904
adamc@439 2905 if (dot) {
adamc@439 2906 *dot = 0;
adamc@439 2907 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2908 *dot = '.';
adamc@439 2909 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2910 r->seconds = mktime(&stm);
adam@1365 2911 r->microseconds = 0;
adamc@439 2912 return r;
adamc@439 2913 }
adamc@439 2914 else {
adamc@439 2915 *dot = '.';
adamc@439 2916 return NULL;
adamc@439 2917 }
adamc@436 2918 }
adamc@439 2919 else {
adam@2072 2920 if (strptime(s, ctx->app->time_format, &stm) == end) {
adamc@439 2921 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2922 r->seconds = mktime(&stm);
adam@1365 2923 r->microseconds = 0;
adamc@439 2924 return r;
adam@2072 2925 } else if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@2072 2926 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@2072 2927 r->seconds = mktime(&stm);
adam@2072 2928 r->microseconds = 0;
adam@2072 2929 return r;
adam@2072 2930 } else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2931 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2932 r->seconds = mktime(&stm);
adam@1365 2933 r->microseconds = 0;
adamc@439 2934 return r;
adam@1632 2935 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632 2936 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1632 2937 r->seconds = mktime(&stm);
adam@1632 2938 r->microseconds = 0;
adam@1632 2939 return r;
adamc@439 2940 }
adamc@439 2941 else
adamc@439 2942 return NULL;
adamc@439 2943 }
adamc@436 2944 }
adamc@436 2945
adam@1352 2946 uw_Basis_time *uw_Basis_stringToTimef(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2947 char *end = strchr(s, 0);
adam@1374 2948 struct tm stm = {};
adam@1392 2949 stm.tm_isdst = -1;
adam@1352 2950
adam@1352 2951 if (strptime(s, fmt, &stm) == end) {
adam@1352 2952 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2953 r->seconds = mktime(&stm);
adam@1365 2954 r->microseconds = 0;
adam@1352 2955 return r;
adam@1352 2956 }
adam@1352 2957 else
adam@1352 2958 return NULL;
adam@1352 2959 }
adam@1352 2960
adamc@311 2961 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 2962 char *endptr;
adamc@311 2963 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 2964
adamc@292 2965 if (*s != '\0' && *endptr == '\0')
adamc@292 2966 return n;
adamc@292 2967 else
adam@1444 2968 uw_error(ctx, FATAL, "Can't parse int: %s", uw_Basis_htmlifyString(ctx, s));
adamc@292 2969 }
adamc@293 2970
adamc@682 2971 #include <errno.h>
adamc@682 2972
adamc@678 2973 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 2974 unsigned long long n;
adamc@682 2975
adamc@682 2976 if (sscanf(s, "%llu", &n) < 1)
adam@1444 2977 uw_error(ctx, FATAL, "Can't parse channel: %s", uw_Basis_htmlifyString(ctx, s));
adamc@682 2978 else {
adamc@682 2979 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 2980 return ch;
adamc@682 2981 }
adamc@682 2982 }
adamc@682 2983
adamc@682 2984 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 2985 char *endptr;
adamc@682 2986 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 2987
adamc@678 2988 if (*s != '\0' && *endptr == '\0')
adamc@678 2989 return n;
adamc@678 2990 else
adam@1444 2991 uw_error(ctx, FATAL, "Can't parse client: %s", uw_Basis_htmlifyString(ctx, s));
adamc@678 2992 }
adamc@678 2993
adamc@311 2994 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 2995 char *endptr;
adamc@311 2996 uw_Basis_float n = strtod(s, &endptr);
adamc@293 2997
adamc@293 2998 if (*s != '\0' && *endptr == '\0')
adamc@293 2999 return n;
adamc@293 3000 else
adam@1444 3001 uw_error(ctx, FATAL, "Can't parse float: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 3002 }
adamc@293 3003
adamc@821 3004 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 3005 if (s[0] == 0)
adamc@821 3006 return 0;
adamc@821 3007 else if (s[1] != 0)
adam@1444 3008 uw_error(ctx, FATAL, "Can't parse char: %s", uw_Basis_htmlifyString(ctx, s));
adamc@821 3009 else
adamc@821 3010 return s[0];
adamc@821 3011 }
adamc@821 3012
adamc@311 3013 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 3014 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 3015 return uw_Basis_True;
adamc@296 3016 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 3017 return uw_Basis_False;
adamc@293 3018 else
adam@1444 3019 uw_error(ctx, FATAL, "Can't parse bool: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 3020 }
adamc@436 3021
adam@1352 3022 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352 3023 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1352 3024 struct tm stm = {};
adam@1392 3025 stm.tm_isdst = -1;
adam@1352 3026
adam@1352 3027 if (dot) {
adam@1352 3028 *dot = 0;
adam@1352 3029 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352 3030 *dot = '.';
adam@1410 3031 char usec[] = "000000";
adam@1410 3032 int len = strlen(dot+1);
adam@1410 3033 memcpy(usec, dot+1, len < 6 ? len : 6);
adam@1410 3034 uw_Basis_time r = { mktime(&stm), atoi(usec) };
adam@1365 3035 return r;
adam@1352 3036 }
adam@1352 3037 else {
adam@1352 3038 *dot = '.';
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 else {
adam@1352 3043 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 3044 uw_Basis_time r = { mktime(&stm) };
adam@1365 3045 return r;
adam@1352 3046 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 3047 uw_Basis_time r = { mktime(&stm) };
adam@1365 3048 return r;
adam@1352 3049 } else
adam@1444 3050 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 3051 }
adam@1352 3052 }
adam@1352 3053
adamc@436 3054 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 3055 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 3056 struct tm stm = {};
adam@1392 3057 stm.tm_isdst = -1;
adamc@436 3058
adamc@438 3059 if (dot) {
adamc@438 3060 *dot = 0;
adamc@438 3061 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 3062 *dot = '.';
adam@1365 3063 {
adam@1365 3064 uw_Basis_time r = { mktime(&stm) };
adam@1365 3065 return r;
adam@1365 3066 }
adamc@438 3067 }
adamc@438 3068 else {
adamc@438 3069 *dot = '.';
adam@1444 3070 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 3071 }
adamc@438 3072 }
adamc@438 3073 else {
adam@2072 3074 if (strptime(s, ctx->app->time_format, &stm) == end) {
adam@2072 3075 uw_Basis_time r = { mktime(&stm) };
adam@2072 3076 return r;
adam@2072 3077 } else if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 3078 uw_Basis_time r = { mktime(&stm) };
adam@1365 3079 return r;
adam@1365 3080 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 3081 uw_Basis_time r = { mktime(&stm) };
adam@1365 3082 return r;
adam@1632 3083 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632 3084 uw_Basis_time r = { mktime(&stm) };
adam@1632 3085 return r;
adam@1365 3086 } else
adam@1444 3087 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 3088 }
adamc@436 3089 }
adamc@457 3090
adam@1352 3091 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 3092 char *end = strchr(s, 0);
adamc@939 3093 struct tm stm = {};
adam@1392 3094 stm.tm_isdst = -1;
adamc@939 3095
adam@1365 3096 if (strptime(s, fmt, &stm) == end) {
adam@1365 3097 uw_Basis_time r = { mktime(&stm) };
adam@1365 3098 return r;
adam@1365 3099 } else
adam@1444 3100 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@939 3101 }
adamc@939 3102
adamc@742 3103 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 3104 char *r = ctx->heap.front;
adamc@742 3105 uw_Basis_blob b = {len, r};
adamc@742 3106
adamc@742 3107 uw_check_heap(ctx, len);
adamc@742 3108
adam@1992 3109 if (s[0] == '\\' && s[1] == 'x') {
adam@1992 3110 s += 2;
adam@1992 3111
adam@1992 3112 while (*s) {
adam@1992 3113 int n;
adam@1992 3114 sscanf(s, "%02x", &n);
adam@1992 3115 *r++ = n;
adam@1992 3116 s += 2;
adam@1992 3117 }
adam@1992 3118 } else {
adam@1992 3119 while (*s) {
adam@1992 3120 if (s[0] == '\\') {
adam@1992 3121 if (s[1] == '\\') {
adam@1992 3122 *r++ = '\\';
adam@1992 3123 s += 2;
adam@1992 3124 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adam@1992 3125 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adam@1992 3126 s += 4;
adam@1992 3127 }
adam@1992 3128 else {
adam@1992 3129 *r++ = '\\';
adam@1992 3130 ++s;
adam@1992 3131 }
adam@1992 3132 } else {
adam@1992 3133 *r++ = s[0];
adamc@742 3134 ++s;
adamc@742 3135 }
adamc@742 3136 }
adamc@742 3137 }
adamc@742 3138
adamc@742 3139 b.size = r - ctx->heap.front;
adamc@742 3140 ctx->heap.front = r;
adam@1992 3141
adamc@742 3142 return b;
adamc@742 3143 }
adamc@742 3144
adam@1402 3145 #define THE_PAST "expires=Sat, 01-Jan-2011 00:00:00 GMT"
adamc@1052 3146
adamc@463 3147 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 3148 int len = strlen(c);
adamc@854 3149 char *p = ctx->outHeaders.start;
adamc@474 3150
adamc@1134 3151 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474 3152 char *p2;
adamc@474 3153 p += 13;
adamc@474 3154 p2 = strchr(p, '=');
adamc@474 3155
adamc@474 3156 if (p2) {
adamc@474 3157 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 3158
adamc@474 3159 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052 3160 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052 3161 return NULL;
adamc@1052 3162 else {
adamc@1052 3163 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052 3164 memcpy(ret, p2+1, sz);
adamc@1052 3165 ret[sz] = 0;
adamc@1052 3166 return ret;
adamc@1052 3167 }
adamc@474 3168 }
adamc@474 3169 }
adamc@474 3170 }
adamc@463 3171
adamc@1134 3172 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051 3173 char *p2;
adamc@1051 3174
adamc@854 3175 while (1) {
adamc@1051 3176 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134 3177 if ((p2 = strchr(p, ';'))) {
adamc@1051 3178 size_t n = p2 - (p + len);
adamc@1051 3179 char *r = uw_malloc(ctx, n);
adamc@1051 3180 memcpy(r, p + 1 + len, n-1);
adamc@1051 3181 r[n-1] = 0;
adamc@1051 3182 return r;
adamc@1051 3183 } else
adamc@1051 3184 return p + 1 + len;
adamc@1134 3185 } else if ((p = strchr(p, ';')))
adamc@854 3186 p += 2;
adamc@463 3187 else
adamc@463 3188 return NULL;
adamc@463 3189 }
adamc@463 3190 }
adamc@792 3191
adamc@792 3192 return NULL;
adamc@457 3193 }
adamc@462 3194
adam@1877 3195 static void set_cookie(uw_context ctx) {
adam@1877 3196 if (ctx->usedSig)
adam@1877 3197 ctx->needsResig = 1;
adam@1877 3198 }
adam@1877 3199
adamc@1050 3200 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 3201 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 3202 uw_write_header(ctx, c);
adamc@462 3203 uw_write_header(ctx, "=");
adamc@462 3204 uw_write_header(ctx, v);
adamc@466 3205 uw_write_header(ctx, "; path=");
adamc@466 3206 uw_write_header(ctx, prefix);
adamc@1050 3207 if (expires) {
adamc@1050 3208 char formatted[30];
adam@1392 3209 struct tm tm = {};
adam@1392 3210 tm.tm_isdst = -1;
adamc@1050 3211
adam@1365 3212 gmtime_r(&expires->seconds, &tm);
adamc@1050 3213
adamc@1050 3214 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050 3215
adamc@1050 3216 uw_write_header(ctx, "; expires=");
adamc@1050 3217 uw_write_header(ctx, formatted);
adamc@1050 3218 }
adamc@1050 3219 if (secure)
adamc@1050 3220 uw_write_header(ctx, "; secure");
adamc@462 3221 uw_write_header(ctx, "\r\n");
adam@1877 3222 set_cookie(ctx);
adamc@462 3223
adamc@462 3224 return uw_unit_v;
adamc@462 3225 }
adamc@667 3226
adamc@1050 3227 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050 3228 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050 3229 uw_write_header(ctx, c);
adamc@1050 3230 uw_write_header(ctx, "=; path=");
adamc@1050 3231 uw_write_header(ctx, prefix);
adamc@1052 3232 uw_write_header(ctx, "; " THE_PAST "\r\n");
adam@1877 3233 set_cookie(ctx);
adamc@1050 3234
adamc@1050 3235 return uw_unit_v;
adamc@1050 3236 }
adamc@1050 3237
adamc@1113 3238 size_t uw_deltas_max = SIZE_MAX;
adamc@1113 3239
adamc@682 3240 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 3241 unsigned i;
adamc@682 3242 delta *d;
adamc@671 3243
adamc@682 3244 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 3245 if (ctx->deltas[i].client == client)
adamc@682 3246 return &ctx->deltas[i];
adamc@671 3247
adamc@682 3248 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113 3249 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113 3250 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113 3251
adamc@682 3252 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adam@1369 3253 uw_buffer_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 3254 }
adamc@671 3255
adamc@682 3256 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 3257 d->client = client;
adam@1369 3258 uw_buffer_reset(&d->msgs);
adamc@682 3259 return d;
adamc@671 3260 }
adamc@671 3261
adamc@668 3262 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 3263 if (ctx->client == NULL)
adamc@682 3264 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 3265
adamc@682 3266 return new_channel(ctx->client);
adamc@668 3267 }
adamc@668 3268
adamc@668 3269 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 3270 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 3271 size_t len;
adamc@682 3272 int preLen;
adamc@682 3273 char pre[INTS_MAX + 2];
adamc@668 3274
adamc@682 3275 len = strlen(msg);
adamc@682 3276
adamc@682 3277 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 3278
adam@1369 3279 ctx_uw_buffer_append(ctx, "messages", &d->msgs, pre, preLen);
adam@1369 3280 ctx_uw_buffer_append(ctx, "messages", &d->msgs, msg, len);
adam@1369 3281 ctx_uw_buffer_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671 3282
adamc@671 3283 return uw_unit_v;
adamc@668 3284 }
adamc@671 3285
adam@1327 3286 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131 3287 int i;
adamc@1131 3288 cleanup *cl;
adamc@1131 3289
adamc@1131 3290 if (ctx->client)
adamc@1131 3291 release_client(ctx->client);
adamc@1131 3292
adamc@1131 3293 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131 3294 cl->func(cl->arg);
adamc@1131 3295
adamc@1131 3296 ctx->cleanup_front = ctx->cleanup;
adamc@1131 3297
adamc@1131 3298 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3299 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3300 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131 3301
adamc@1131 3302 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3303 if (ctx->transactionals[i].free)
adam@1327 3304 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131 3305
adam@1941 3306 if (ctx->app && ctx->transaction_started) {
adam@1941 3307 ctx->transaction_started = 0;
adam@1941 3308 return ctx->app->db_rollback(ctx);
adam@1941 3309 } else
adam@1941 3310 return 0;
adamc@1131 3311 }
adamc@1131 3312
adam@1956 3313 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 3314 const char uw_begin_html5[] = "<!DOCTYPE html><html>";
adam@1728 3315
adam@1877 3316 extern int uw_hash_blocksize;
adam@1877 3317
adam@1877 3318 static const char sig_intro[] = "<input type=\"hidden\" name=\"Sig\" value=\"";
adam@1877 3319
adam@1877 3320 static char *find_sig(char *haystack) {
adam@1877 3321 int i;
adam@1877 3322 char *s = strstr(haystack, sig_intro);
adam@1877 3323
adam@1877 3324 if (!s || strlen(haystack) - (s - haystack) - (sizeof sig_intro - 1) < uw_hash_blocksize*2+1)
adam@1877 3325 return NULL;
phurst@1981 3326
adam@1877 3327 s += sizeof sig_intro - 1;
adam@1877 3328
adam@1877 3329 for (i = 0; i < uw_hash_blocksize*2; ++i)
adam@1877 3330 if (!isxdigit((int)s[i]))
adam@1877 3331 return NULL;
adam@1877 3332
adam@1877 3333 if (s[i] != '"')
adam@1877 3334 return NULL;
adam@1877 3335
adam@1877 3336 return s;
adam@1877 3337 }
adam@1877 3338
adam@2033 3339 static pthread_mutex_t message_send_mutex = PTHREAD_MUTEX_INITIALIZER;
adam@2033 3340
adam@1938 3341 int uw_commit(uw_context ctx) {
adamc@1104 3342 int i;
adam@1877 3343 char *sig;
adamc@1104 3344
adamc@1131 3345 if (uw_has_error(ctx)) {
adam@1327 3346 uw_rollback(ctx, 0);
adam@1938 3347 return 0;
adamc@1131 3348 }
adamc@1131 3349
adamc@1104 3350 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3351 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3352 if (ctx->transactionals[i].commit) {
adamc@1083 3353 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3354 if (uw_has_error(ctx)) {
adam@1327 3355 uw_rollback(ctx, 0);
adam@1938 3356 return 0;
adamc@1131 3357 }
adamc@1131 3358 }
adamc@771 3359
adam@2033 3360 // Here's an important lock to provide the abstraction that all messages from one transaction are sent as an atomic unit.
adam@2033 3361 if (ctx->used_deltas > 0)
adam@2033 3362 pthread_mutex_lock(&message_send_mutex);
adam@2033 3363
adam@2000 3364 if (ctx->transaction_started) {
adam@2000 3365 int code = ctx->app->db_commit(ctx);
adam@2000 3366
adam@2000 3367 if (code) {
adam@2033 3368 if (ctx->used_deltas > 0)
adam@2033 3369 pthread_mutex_unlock(&message_send_mutex);
adam@2033 3370
adam@2000 3371 if (ctx->client)
adam@2000 3372 release_client(ctx->client);
adam@2000 3373
adam@2000 3374 if (code == -1) {
adam@2000 3375 // This case is for a serialization failure, which is not really an "error."
adam@2000 3376 // The transaction will restart, so we should rollback any transactionals
adam@2000 3377 // that triggered above.
adam@2000 3378
adam@2000 3379 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3380 if (ctx->transactionals[i].rollback != NULL)
adam@2000 3381 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adam@2000 3382
adam@2000 3383 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3384 if (ctx->transactionals[i].free)
adam@2000 3385 ctx->transactionals[i].free(ctx->transactionals[i].data, 1);
adam@2000 3386
grrwlf@2030 3387 return 1;
adam@2000 3388 }
adam@2000 3389
adam@2000 3390 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3391 if (ctx->transactionals[i].free)
adam@2000 3392 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adam@2000 3393
adam@2000 3394 uw_set_error_message(ctx, "Error running SQL COMMIT");
adam@2000 3395 return 0;
adam@2000 3396 }
adam@2000 3397 }
adam@2000 3398
adamc@1104 3399 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3400 if (ctx->transactionals[i].rollback == NULL)
adamc@1131 3401 if (ctx->transactionals[i].commit) {
adamc@1083 3402 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3403 if (uw_has_error(ctx)) {
adam@2033 3404 if (ctx->used_deltas > 0)
adam@2033 3405 pthread_mutex_unlock(&message_send_mutex);
adam@2033 3406
adam@2033 3407 if (ctx->client)
adam@2033 3408 release_client(ctx->client);
adam@2033 3409
adam@2033 3410 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2033 3411 if (ctx->transactionals[i].rollback != NULL)
adam@2033 3412 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adam@2033 3413
adam@2033 3414 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2033 3415 if (ctx->transactionals[i].free)
adam@2033 3416 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adam@2000 3417
adam@1938 3418 return 0;
adamc@1131 3419 }
adamc@1131 3420 }
adamc@1131 3421
adamc@682 3422 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 3423 delta *d = &ctx->deltas[i];
adamc@682 3424 client *c = find_client(d->client);
adamc@682 3425
adam@1551 3426 assert (c != NULL);
adam@1551 3427 assert(c->mode == USED);
adamc@682 3428
adam@1447 3429 client_send(c, &d->msgs, ctx->script.start, uw_buffer_used(&ctx->script));
adamc@682 3430 }
adamc@682 3431
adam@2033 3432 if (ctx->used_deltas > 0)
adam@2033 3433 pthread_mutex_unlock(&message_send_mutex);
adam@2033 3434
adamc@682 3435 if (ctx->client)
adamc@685 3436 release_client(ctx->client);
adamc@771 3437
adamc@1104 3438 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083 3439 if (ctx->transactionals[i].free)
adam@1327 3440 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916 3441
vshabanoff@1726 3442 uw_check(ctx, 1);
vshabanoff@1726 3443 *ctx->page.front = 0;
adam@1413 3444
adam@1956 3445 if (!ctx->returning_indirectly
adam@1956 3446 && (ctx->app->is_html5
adam@1956 3447 ? !strncmp(ctx->page.start, uw_begin_html5, sizeof uw_begin_html5 - 1)
adam@1956 3448 : !strncmp(ctx->page.start, uw_begin_xhtml, sizeof uw_begin_xhtml - 1))) {
adam@1728 3449 char *s;
adam@1728 3450
adam@1728 3451 // Splice script data into appropriate part of page, also adding <head> if needed.
adam@1956 3452 s = ctx->page.start + (ctx->app->is_html5 ? sizeof uw_begin_html5 - 1 : sizeof uw_begin_xhtml - 1);
adam@1728 3453 s = strchr(s, '<');
adam@1728 3454 if (s == NULL) {
adam@1728 3455 // Weird. Document has no tags!
adam@1728 3456
adam@1728 3457 uw_write(ctx, "<head></head><body></body>");
adam@1728 3458 uw_check(ctx, 1);
adam@1728 3459 *ctx->page.front = 0;
adam@1728 3460 } else if (!strncmp(s, "<head>", 6)) {
adam@1728 3461 // <head> is present. Let's add the <script> tags immediately after it.
adam@1728 3462
adam@1729 3463 // Any freeform JavaScript to include?
adam@1729 3464 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729 3465 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729 3466 size_t lenP = lenH + 40 + len;
adam@1729 3467 char *start = s + 6, *oldPage = ctx->page.start;
adam@1729 3468
adam@1729 3469 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3470 start += ctx->page.start - oldPage;
adam@1729 3471 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3472 ctx->page.front += lenP;
adam@1729 3473 memcpy(start, ctx->script_header, lenH);
adam@1729 3474 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adam@1729 3475 memcpy(start + lenH + 31, ctx->script.start, len);
adam@1729 3476 memcpy(start + lenH + 31 + len, "</script>", 9);
adam@1729 3477 } else {
adam@1729 3478 size_t lenH = strlen(ctx->script_header);
adam@1729 3479 char *start = s + 6, *oldPage = ctx->page.start;
adam@1729 3480
adam@1729 3481 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenH);
adam@1729 3482 start += ctx->page.start - oldPage;
adam@1729 3483 memmove(start + lenH, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3484 ctx->page.front += lenH;
adam@1729 3485 memcpy(start, ctx->script_header, lenH);
adam@1729 3486 }
adam@1728 3487 } else {
adam@1728 3488 // No <head>. At this point, add it, with <script> tags inside.
adam@1728 3489
adam@1729 3490 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729 3491 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729 3492 size_t lenP = lenH + 53 + len;
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, "<script type=\"text/javascript\">", 31);
adam@1729 3502 memcpy(start + 6 + lenH + 31, ctx->script.start, len);
adam@1729 3503 memcpy(start + 6 + lenH + 31 + len, "</script></head>", 16);
adam@1729 3504 } else {
adam@1729 3505 size_t lenH = strlen(ctx->script_header);
adam@1729 3506 size_t lenP = lenH + 13;
adam@1729 3507 char *start = s, *oldPage = ctx->page.start;
adam@1729 3508
adam@1729 3509 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3510 start += ctx->page.start - oldPage;
adam@1729 3511 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3512 ctx->page.front += lenP;
adam@1729 3513 memcpy(start, "<head>", 6);
adam@1729 3514 memcpy(start + 6, ctx->script_header, lenH);
adam@1729 3515 memcpy(start + 6 + lenH, "</head>", 7);
adam@1729 3516 }
adamc@916 3517 }
adamc@916 3518 }
adam@1877 3519
adam@1877 3520 if (ctx->needsResig) {
adam@1877 3521 sig = find_sig(ctx->page.start);
adam@1877 3522 if (sig) {
adam@1877 3523 char *realsig = ctx->app->cookie_sig(ctx);
adam@1877 3524
adam@1877 3525 do {
adam@1877 3526 memcpy(sig, realsig, 2*uw_hash_blocksize);
adam@1877 3527 sig = find_sig(sig);
adam@1877 3528 } while (sig);
adam@1877 3529 }
adam@1877 3530 }
adam@1938 3531
adam@1938 3532 return 0;
adamc@671 3533 }
adamc@671 3534
adamc@683 3535
adamc@1113 3536 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113 3537
adam@2001 3538 int uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327 3539 uw_callback_with_retry free) {
adamc@771 3540 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113 3541 if (ctx->used_transactionals+1 > uw_transactionals_max)
adam@2001 3542 // Exceeded limit on number of transactionals.
adam@2001 3543 return -1;
adamc@1084 3544 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771 3545 ++ctx->n_transactionals;
adamc@771 3546 }
adamc@771 3547
adamc@771 3548 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 3549 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 3550 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 3551 ctx->transactionals[ctx->used_transactionals++].free = free;
adam@2001 3552
adam@2001 3553 return 0;
adamc@771 3554 }
adamc@771 3555
adamc@683 3556
adamc@683 3557 // "Garbage collection"
adamc@683 3558
adamc@1121 3559 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121 3560 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121 3561
adamc@1121 3562 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683 3563 int r = setjmp(ctx->jmp_buf);
adamc@683 3564
adamc@1121 3565 if (r == 0)
adamc@1121 3566 uw_do_expunge(ctx, cli, data);
adamc@1121 3567 else
adamc@1121 3568 ctx->app->db_rollback(ctx);
adamc@1121 3569
adamc@1121 3570 uw_post_expunge(ctx, data);
adamc@683 3571
adamc@683 3572 return r;
adamc@683 3573 }
adamc@683 3574
adamc@683 3575 void uw_prune_clients(uw_context ctx) {
adamc@683 3576 client *c, *next, *prev = NULL;
adamc@683 3577 time_t cutoff;
adamc@683 3578
adamc@1094 3579 cutoff = time(NULL) - ctx->app->timeout;
adamc@683 3580
adamc@683 3581 pthread_mutex_lock(&clients_mutex);
adam@1707 3582 pruning_thread = pthread_self();
adam@1707 3583 pruning_thread_initialized = 1;
adamc@683 3584
adamc@683 3585 for (c = clients_used; c; c = next) {
adamc@683 3586 next = c->next;
adamc@683 3587 pthread_mutex_lock(&c->lock);
adamc@685 3588 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 3589 failure_kind fk = UNLIMITED_RETRY;
adamc@683 3590 if (prev)
adamc@683 3591 prev->next = next;
adamc@683 3592 else
adamc@683 3593 clients_used = next;
adamc@683 3594 while (fk == UNLIMITED_RETRY) {
adam@1941 3595 uw_reset(ctx);
adamc@1121 3596 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121 3597 if (fk == UNLIMITED_RETRY)
adamc@684 3598 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 3599 }
adamc@684 3600 if (fk == SUCCESS)
adamc@684 3601 free_client(c);
adamc@1121 3602 else
adamc@856 3603 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683 3604 }
adamc@683 3605 else
adamc@683 3606 prev = c;
adamc@683 3607 pthread_mutex_unlock(&c->lock);
adamc@683 3608 }
adamc@683 3609
adamc@683 3610 pthread_mutex_unlock(&clients_mutex);
adamc@683 3611 }
adamc@687 3612
adamc@687 3613 failure_kind uw_initialize(uw_context ctx) {
adamc@687 3614 int r = setjmp(ctx->jmp_buf);
adamc@687 3615
adamc@687 3616 if (r == 0) {
adam@1936 3617 uw_ensure_transaction(ctx);
adamc@1094 3618 ctx->app->initializer(ctx);
adamc@1094 3619 if (ctx->app->db_commit(ctx))
adamc@687 3620 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 3621 }
adamc@687 3622
adamc@687 3623 return r;
adamc@687 3624 }
adamc@717 3625
adamc@1065 3626 static int url_bad(uw_Basis_string s) {
adamc@1065 3627 for (; *s; ++s)
adamc@1153 3628 if (!isgraph((int)*s))
adamc@1065 3629 return 1;
adamc@1065 3630
adamc@1065 3631 return 0;
adamc@1065 3632 }
adamc@1065 3633
adamc@717 3634 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065 3635 if (url_bad(s))
adamc@1065 3636 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094 3637 if (ctx->app->check_url(s))
adamc@770 3638 return s;
adamc@770 3639 else
adamc@770 3640 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 3641 }
adamc@734 3642
adamc@770 3643 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065 3644 if (url_bad(s))
adamc@1065 3645 return NULL;
adamc@1094 3646 if (ctx->app->check_url(s))
adamc@770 3647 return s;
adamc@770 3648 else
adamc@770 3649 return NULL;
adamc@770 3650 }
adamc@770 3651
adam@1465 3652 static int mime_format(const char *s) {
adamc@770 3653 for (; *s; ++s)
grrwlf@2024 3654 if (!isalnum((int)*s) && *s != '/' && *s != '-' && *s != '.' && *s != '+')
adamc@770 3655 return 0;
adamc@770 3656
adamc@770 3657 return 1;
adamc@770 3658 }
adamc@770 3659
adamc@741 3660 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3661 if (!mime_format(s))
adamc@770 3662 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 3663
adamc@1094 3664 if (ctx->app->check_mime(s))
adamc@770 3665 return s;
adamc@770 3666 else
adamc@770 3667 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 3668 }
adamc@770 3669
adamc@770 3670 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3671 if (!mime_format(s))
adamc@770 3672 return NULL;
adamc@770 3673
adamc@1094 3674 if (ctx->app->check_mime(s))
adamc@770 3675 return s;
adamc@770 3676 else
adamc@770 3677 return NULL;
adamc@741 3678 }
adamc@741 3679
adam@1465 3680 uw_Basis_string uw_Basis_blessRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3681 if (!mime_format(s))
adam@1465 3682 uw_error(ctx, FATAL, "Request header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3683
adam@1465 3684 if (ctx->app->check_requestHeader(s))
adam@1465 3685 return s;
adam@1465 3686 else
adam@1465 3687 uw_error(ctx, FATAL, "Disallowed request header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3688 }
adam@1465 3689
adam@1465 3690 uw_Basis_string uw_Basis_checkRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3691 if (!mime_format(s))
adam@1465 3692 return NULL;
adam@1465 3693
adam@1465 3694 if (ctx->app->check_requestHeader(s))
adam@1465 3695 return s;
adam@1465 3696 else
adam@1465 3697 return NULL;
adam@1465 3698 }
adam@1465 3699
adam@1465 3700 uw_Basis_string uw_Basis_blessResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3701 if (!mime_format(s))
adam@1465 3702 uw_error(ctx, FATAL, "Response header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3703
adam@1465 3704 if (ctx->app->check_responseHeader(s))
adam@1465 3705 return s;
adam@1465 3706 else
adam@1465 3707 uw_error(ctx, FATAL, "Disallowed response header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3708 }
adam@1465 3709
adam@1799 3710 static int envVar_format(const char *s) {
adam@1799 3711 for (; *s; ++s)
adam@1799 3712 if (!isalnum((int)*s) && *s != '_' && *s != '.')
adam@1799 3713 return 0;
adam@1799 3714
adam@1799 3715 return 1;
adam@1799 3716 }
adam@1799 3717
adam@1465 3718 uw_Basis_string uw_Basis_checkResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1799 3719 if (!envVar_format(s))
adam@1465 3720 return NULL;
adam@1465 3721
adam@1465 3722 if (ctx->app->check_responseHeader(s))
adam@1465 3723 return s;
adam@1465 3724 else
adam@1465 3725 return NULL;
adam@1465 3726 }
adam@1465 3727
adam@1799 3728 uw_Basis_string uw_Basis_blessEnvVar(uw_context ctx, uw_Basis_string s) {
adam@1799 3729 if (!envVar_format(s))
adam@1799 3730 uw_error(ctx, FATAL, "Environment variable \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1799 3731
adam@1799 3732 if (ctx->app->check_envVar(s))
adam@1799 3733 return s;
adam@1799 3734 else
adam@1799 3735 uw_error(ctx, FATAL, "Disallowed environment variable %s", uw_Basis_htmlifyString(ctx, s));
adam@1799 3736 }
adam@1799 3737
adam@1799 3738 uw_Basis_string uw_Basis_checkEnvVar(uw_context ctx, uw_Basis_string s) {
adam@1799 3739 if (!mime_format(s))
adam@1799 3740 return NULL;
adam@1799 3741
adam@1799 3742 if (ctx->app->check_envVar(s))
adam@1799 3743 return s;
adam@1799 3744 else
adam@1799 3745 return NULL;
adam@1799 3746 }
adam@1799 3747
adam@1465 3748 uw_Basis_string uw_Basis_getHeader(uw_context ctx, uw_Basis_string name) {
adam@1465 3749 return uw_Basis_requestHeader(ctx, name);
adam@1465 3750 }
adam@1465 3751
adam@1465 3752 static int mime_value_format(const char *s) {
adam@1465 3753 for (; *s; ++s)
adam@1465 3754 if (*s == '\r' || *s == '\n')
adam@1465 3755 return 0;
adam@1465 3756
adam@1465 3757 return 1;
adam@1465 3758 }
adam@1465 3759
adam@1465 3760 uw_unit uw_Basis_setHeader(uw_context ctx, uw_Basis_string name, uw_Basis_string value) {
adam@1465 3761 if (!mime_value_format(value))
adam@1465 3762 uw_error(ctx, FATAL, "Invalid value for HTTP response header");
adam@1465 3763
adam@1465 3764 uw_write_header(ctx, name);
adam@1465 3765 uw_write_header(ctx, ": ");
adam@1465 3766 uw_write_header(ctx, value);
adam@1465 3767 uw_write_header(ctx, "\r\n");
adam@1465 3768
adam@1465 3769 return uw_unit_v;
adam@1465 3770 }
adam@1465 3771
adam@1799 3772 uw_Basis_string uw_Basis_getenv(uw_context ctx, uw_Basis_string name) {
adam@1993 3773 if (ctx->get_env)
adam@1993 3774 return ctx->get_env(ctx->get_env_data, name);
adam@1993 3775 else
adam@1994 3776 return getenv(name);
adam@1799 3777 }
adam@1799 3778
adamc@734 3779 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 3780 return s ? s : "";
adamc@734 3781 }
adamc@734 3782
adamc@734 3783 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 3784 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 3785 int i;
phurst@1981 3786
adamc@734 3787 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 3788 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 3789
adamc@734 3790 return r;
adamc@734 3791 }
adamc@734 3792
adam@1512 3793 /* This bit of crafty code is intended to prevent GCC from performing
adam@1512 3794 * optimizations that would enable timing attacks. See:
adam@1512 3795 * http://www.impredicative.com/pipermail/ur/2011-July/000659.html
adam@1512 3796 */
adam@1512 3797 int uw_streq(uw_Basis_string s1, uw_Basis_string s2) {
adam@1512 3798 int i, x = 0, len1 = strlen(s1);
adam@1512 3799
adam@1512 3800 if (len1 != strlen(s2)) return 0;
adam@1512 3801
adam@1512 3802 for (i = 0; i < len1; ++i) {
adam@1512 3803 __asm__ __volatile__ ("");
adam@1512 3804 x |= s1[i] ^ s2[i];
adam@1512 3805 }
adam@1512 3806
adam@1512 3807 return x == 0;
adam@1512 3808 }
adam@1512 3809
adamc@734 3810 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adam@1877 3811 ctx->usedSig = 1;
adamc@1094 3812 return ctx->app->cookie_sig(ctx);
adamc@734 3813 }
adamc@737 3814
adamc@737 3815 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 3816 return f.name;
adamc@737 3817 }
adamc@737 3818
adamc@740 3819 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 3820 return f.type;
adamc@740 3821 }
adamc@740 3822
adamc@745 3823 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 3824 return b.size;
adamc@745 3825 }
adamc@745 3826
adamc@1119 3827 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119 3828 uw_Basis_blob b = {strlen(s), s};
adamc@1119 3829
adamc@1119 3830 return b;
adamc@1119 3831 }
adamc@1119 3832
adamc@737 3833 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 3834 return f.data;
adamc@737 3835 }
adamc@741 3836
adam@1347 3837 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3838 return pb.type;
adam@1347 3839 }
adam@1347 3840
adam@1347 3841 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3842 return pb.data;
adam@1347 3843 }
adam@1347 3844
adam@1471 3845 static char *old_headers(uw_context ctx) {
adam@1471 3846 if (uw_buffer_used(&ctx->outHeaders) == 0)
adam@1471 3847 return NULL;
adam@1471 3848 else {
adam@1471 3849 char *s = strchr(ctx->outHeaders.start, '\n');
adam@1471 3850
adam@1471 3851 if (s == NULL || strncasecmp(s+1, "Content-type: ", 14))
adam@1471 3852 return NULL;
adam@1471 3853 else {
adam@1471 3854 s = strchr(s+15, '\n');
adam@1471 3855 if (s == NULL)
adam@1471 3856 return NULL;
adam@1471 3857 else
adam@1471 3858 return uw_strdup(ctx, s+1);
adam@1471 3859 }
adam@1471 3860 }
adam@1471 3861 }
adam@1471 3862
adamc@741 3863 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 3864 cleanup *cl;
adamc@741 3865 int len;
adam@1471 3866 char *oldh;
adamc@741 3867
adam@1451 3868 if (!ctx->allowed_to_return_indirectly)
adam@1451 3869 uw_error(ctx, FATAL, "Tried to return a blob from an RPC");
adam@1451 3870
adamc@1065 3871 ctx->returning_indirectly = 1;
adam@1471 3872 oldh = old_headers(ctx);
adam@1369 3873 uw_buffer_reset(&ctx->outHeaders);
adam@1369 3874 uw_buffer_reset(&ctx->page);
adamc@741 3875
adamc@856 3876 uw_write_header(ctx, on_success);
adamc@856 3877 uw_write_header(ctx, "Content-Type: ");
adamc@741 3878 uw_write_header(ctx, mimeType);
adam@1934 3879 uw_write_header(ctx, "\r\nContent-length: ");
adam@1369 3880 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134 3881 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741 3882 ctx->outHeaders.front += len;
adamc@1066 3883 uw_write_header(ctx, "\r\n");
adam@1471 3884 if (oldh) uw_write_header(ctx, oldh);
adamc@741 3885
adam@1369 3886 ctx_uw_buffer_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741 3887
adamc@741 3888 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 3889 cl->func(cl->arg);
adamc@741 3890
adamc@741 3891 ctx->cleanup_front = ctx->cleanup;
adamc@741 3892
adamc@1065 3893 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065 3894 }
adamc@1065 3895
adam@2046 3896 void uw_replace_page(uw_context ctx, const char *data, size_t size) {
adam@2046 3897 uw_buffer_reset(&ctx->page);
adam@2046 3898 ctx_uw_buffer_append(ctx, "page", &ctx->page, data, size);
adam@2046 3899 }
adam@2046 3900
adam@1932 3901 __attribute__((noreturn)) void uw_return_blob_from_page(uw_context ctx, uw_Basis_string mimeType) {
adam@1932 3902 cleanup *cl;
adam@1932 3903 int len;
adam@1932 3904 char *oldh;
adam@1932 3905
adam@1932 3906 if (!ctx->allowed_to_return_indirectly)
adam@1932 3907 uw_error(ctx, FATAL, "Tried to return a blob from an RPC");
adam@1932 3908
adam@1932 3909 ctx->returning_indirectly = 1;
adam@1932 3910 oldh = old_headers(ctx);
adam@1932 3911 uw_buffer_reset(&ctx->outHeaders);
adam@1932 3912
adam@1932 3913 uw_write_header(ctx, on_success);
adam@1932 3914 uw_write_header(ctx, "Content-Type: ");
adam@1932 3915 uw_write_header(ctx, mimeType);
adam@1934 3916 uw_write_header(ctx, "\r\nContent-length: ");
adam@1932 3917 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adam@1932 3918 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)uw_buffer_used(&ctx->page), &len);
adam@1932 3919 ctx->outHeaders.front += len;
adam@1932 3920 uw_write_header(ctx, "\r\n");
adam@1932 3921 if (oldh) uw_write_header(ctx, oldh);
adam@1932 3922
adam@1932 3923 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adam@1932 3924 cl->func(cl->arg);
adam@1932 3925
adam@1932 3926 ctx->cleanup_front = ctx->cleanup;
adam@1932 3927
adam@1932 3928 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adam@1932 3929 }
adam@1932 3930
adamc@1065 3931 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065 3932 cleanup *cl;
adamc@1066 3933 char *s;
adam@1471 3934 char *oldh;
adamc@1065 3935
adam@1451 3936 if (!ctx->allowed_to_return_indirectly)
adam@1451 3937 uw_error(ctx, FATAL, "Tried to redirect from an RPC");
adam@1451 3938
adamc@1065 3939 ctx->returning_indirectly = 1;
adam@1471 3940 oldh = old_headers(ctx);
adam@1369 3941 uw_buffer_reset(&ctx->page);
adam@1369 3942 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->outHeaders)+1);
adam@1369 3943 memcpy(ctx->page.start, ctx->outHeaders.start, uw_buffer_used(&ctx->outHeaders));
adam@1369 3944 ctx->page.start[uw_buffer_used(&ctx->outHeaders)] = 0;
adam@1369 3945 uw_buffer_reset(&ctx->outHeaders);
adamc@1065 3946
adam@1409 3947 if (on_success[0])
adam@1409 3948 uw_write_header(ctx, on_redirect);
adam@1409 3949 else
adam@1409 3950 uw_write_header(ctx, "Status: 303 See Other\r\n");
adam@1409 3951 s = on_success[0] ? strchr(ctx->page.start, '\n') : ctx->page.start;
adamc@1066 3952 if (s) {
adamc@1066 3953 char *s2;
adam@1409 3954 if (s[0] == '\n') ++s;
adam@1409 3955 for (; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066 3956 *s2 = 0;
adamc@1066 3957 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066 3958 uw_write_header(ctx, s);
adamc@1066 3959 uw_write_header(ctx, "\n");
adamc@1066 3960 }
adamc@1066 3961 }
adamc@1066 3962 }
adamc@1066 3963
adamc@1065 3964 uw_write_header(ctx, "Location: ");
adamc@1065 3965 uw_write_header(ctx, url);
adamc@1065 3966 uw_write_header(ctx, "\r\n\r\n");
adam@1471 3967 if (oldh) uw_write_header(ctx, oldh);
adamc@1065 3968
adamc@1065 3969 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065 3970 cl->func(cl->arg);
adamc@1065 3971
adamc@1065 3972 ctx->cleanup_front = ctx->cleanup;
adamc@1065 3973
adamc@1065 3974 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741 3975 }
adamc@874 3976
adamc@874 3977 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adam@1467 3978 uw_Basis_string ret = uw_malloc(ctx, strlen(s) + 1), r = ret;
adamc@874 3979
adamc@874 3980 for (; *s; ++s) {
adamc@874 3981 if (s[0] == '\'') {
adamc@874 3982 *r++ = '\'';
adamc@874 3983 for (++s; *s; ++s) {
adamc@874 3984 if (s[0] == '\'') {
adamc@874 3985 *r++ = '\'';
adamc@874 3986 break;
adamc@874 3987 } else if (s[0] == '\\') {
adam@1467 3988 *r++ = '\\';
adam@1467 3989 *r++ = s[1];
adam@1467 3990 ++s;
adamc@874 3991 } else
adamc@874 3992 *r++ = s[0];
adamc@874 3993 }
adamc@874 3994 if (*s == 0) break;
adam@1467 3995 } else if (s[0] == 'T' && s[1] == '_' && s[2] == 'T' && s[3] == '.')
adam@1467 3996 s += 3;
adamc@874 3997 else
adamc@874 3998 *r++ = s[0];
adamc@874 3999 }
adamc@874 4000
adam@1467 4001 *r = 0;
adam@1467 4002 return ret;
adamc@874 4003 }
adamc@874 4004
adamc@922 4005 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922 4006 va_list ap;
adamc@922 4007 size_t len = 1;
adamc@922 4008 char *s, *r, *s2;
phurst@1981 4009
adamc@922 4010 va_start(ap, ctx);
adamc@922 4011 for (s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 4012 len += strlen(s);
adamc@922 4013 va_end(ap);
adamc@922 4014
adamc@922 4015 r = uw_malloc(ctx, len);
adamc@922 4016 va_start(ap, ctx);
adamc@922 4017 for (s2 = r, s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 4018 while (*s)
adamc@922 4019 *s2++ = *s++;
adamc@922 4020 va_end(ap);
adamc@922 4021 *s2 = 0;
adamc@922 4022
adamc@922 4023 return r;
adamc@922 4024 }
adamc@1006 4025
adam@1365 4026 const uw_Basis_time uw_Basis_minTime = {};
adamc@1050 4027
adamc@1006 4028 uw_Basis_time uw_Basis_now(uw_context ctx) {
adam@1365 4029 uw_Basis_time r = { time(NULL) };
adam@1365 4030 return r;
adamc@1006 4031 }
adamc@1061 4032
adam@1369 4033 uw_Basis_time uw_Basis_addSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adam@1369 4034 tm.seconds += n;
adam@1365 4035 return tm;
adamc@1138 4036 }
adamc@1138 4037
adam@1514 4038 uw_Basis_int uw_Basis_diffInSeconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1514 4039 return difftime(tm2.seconds, tm1.seconds);
adam@1514 4040 }
adam@1514 4041
adam@1685 4042 uw_Basis_int uw_Basis_toMilliseconds(uw_context ctx, uw_Basis_time tm) {
adam@1685 4043 return tm.seconds * 1000 + tm.microseconds / 1000;
adam@1685 4044 }
adam@1685 4045
adam@1685 4046 uw_Basis_int uw_Basis_diffInMilliseconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1685 4047 return uw_Basis_toMilliseconds(ctx, tm2) - uw_Basis_toMilliseconds(ctx, tm1);
adam@1685 4048 }
adam@1685 4049
adam@1514 4050 uw_Basis_int uw_Basis_toSeconds(uw_context ctx, uw_Basis_time tm) {
adam@1514 4051 return tm.seconds;
adam@1514 4052 }
adam@1514 4053
phurst@1971 4054 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 4055 struct tm tm = { .tm_year = year - 1900, .tm_mon = month, .tm_mday = day,
adam@2015 4056 .tm_hour = hour, .tm_min = minute, .tm_sec = second,
adam@2015 4057 .tm_isdst = -1 };
phurst@1984 4058 uw_Basis_time r = { timelocal(&tm) };
phurst@1971 4059 return r;
phurst@1971 4060 }
phurst@1971 4061
phurst@1971 4062 uw_Basis_int uw_Basis_datetimeYear(uw_context ctx, uw_Basis_time time) {
phurst@1971 4063 struct tm tm;
phurst@1982 4064 localtime_r(&time.seconds, &tm);
phurst@1971 4065 return tm.tm_year + 1900;
phurst@1971 4066 }
phurst@1971 4067
phurst@1971 4068 uw_Basis_int uw_Basis_datetimeMonth(uw_context ctx, uw_Basis_time time) {
phurst@1971 4069 struct tm tm;
phurst@1982 4070 localtime_r(&time.seconds, &tm);
phurst@1971 4071 return tm.tm_mon;
phurst@1971 4072 }
phurst@1971 4073
phurst@1971 4074 uw_Basis_int uw_Basis_datetimeDay(uw_context ctx, uw_Basis_time time) {
phurst@1971 4075 struct tm tm;
phurst@1982 4076 localtime_r(&time.seconds, &tm);
phurst@1971 4077 return tm.tm_mday;
phurst@1971 4078 }
phurst@1971 4079
phurst@1971 4080 uw_Basis_int uw_Basis_datetimeHour(uw_context ctx, uw_Basis_time time) {
phurst@1971 4081 struct tm tm;
phurst@1982 4082 localtime_r(&time.seconds, &tm);
phurst@1971 4083 return tm.tm_hour;
phurst@1971 4084 }
phurst@1971 4085
phurst@1971 4086 uw_Basis_int uw_Basis_datetimeMinute(uw_context ctx, uw_Basis_time time) {
phurst@1971 4087 struct tm tm;
phurst@1982 4088 localtime_r(&time.seconds, &tm);
phurst@1971 4089 return tm.tm_min;
phurst@1971 4090 }
phurst@1971 4091
phurst@1971 4092 uw_Basis_int uw_Basis_datetimeSecond(uw_context ctx, uw_Basis_time time) {
phurst@1971 4093 struct tm tm;
phurst@1982 4094 localtime_r(&time.seconds, &tm);
phurst@1971 4095 return tm.tm_sec;
phurst@1971 4096 }
phurst@1971 4097
phurst@1973 4098 uw_Basis_int uw_Basis_datetimeDayOfWeek(uw_context ctx, uw_Basis_time time) {
phurst@1973 4099 struct tm tm;
phurst@1982 4100 localtime_r(&time.seconds, &tm);
phurst@1973 4101 return tm.tm_wday;
phurst@1973 4102 }
phurst@1971 4103
phurst@1971 4104
adamc@1061 4105 void *uw_get_global(uw_context ctx, char *name) {
adamc@1061 4106 int i;
adamc@1061 4107
adamc@1061 4108 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 4109 if (!strcmp(name, ctx->globals[i].name))
adamc@1061 4110 return ctx->globals[i].data;
adamc@1061 4111
adamc@1061 4112 return NULL;
adamc@1061 4113 }
adamc@1061 4114
adamc@1113 4115 size_t uw_globals_max = SIZE_MAX;
adamc@1113 4116
adamc@1061 4117 void uw_set_global(uw_context ctx, char *name, void *data, void (*free)(void*)) {
adamc@1061 4118 int i;
adamc@1061 4119
adamc@1061 4120 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 4121 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089 4122 if (ctx->globals[i].free)
adamc@1061 4123 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061 4124 ctx->globals[i].data = data;
adamc@1061 4125 ctx->globals[i].free = free;
adamc@1061 4126 return;
adamc@1061 4127 }
adamc@1089 4128
adamc@1113 4129 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113 4130 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113 4131
adamc@1061 4132 ++ctx->n_globals;
adamc@1061 4133 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061 4134 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061 4135 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061 4136 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061 4137 }
adamc@1061 4138
adamc@1061 4139 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153 4140 return !!isalnum((int)c);
adamc@1061 4141 }
adamc@1061 4142
adamc@1061 4143 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153 4144 return !!isalpha((int)c);
adamc@1061 4145 }
adamc@1061 4146
adamc@1061 4147 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153 4148 return !!isblank((int)c);
adamc@1061 4149 }
adamc@1061 4150
adamc@1061 4151 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153 4152 return !!iscntrl((int)c);
adamc@1061 4153 }
adamc@1061 4154
adamc@1061 4155 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 4156 return !!isdigit((int)c);
adamc@1061 4157 }
adamc@1061 4158
adamc@1061 4159 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153 4160 return !!isgraph((int)c);
adamc@1061 4161 }
adamc@1061 4162
adamc@1061 4163 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153 4164 return !!islower((int)c);
adamc@1061 4165 }
adamc@1061 4166
adamc@1061 4167 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153 4168 return !!isprint((int)c);
adamc@1061 4169 }
adamc@1061 4170
adamc@1061 4171 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153 4172 return !!ispunct((int)c);
adamc@1061 4173 }
adamc@1061 4174
adamc@1061 4175 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153 4176 return !!isspace((int)c);
adamc@1061 4177 }
adamc@1063 4178
adamc@1061 4179 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 4180 return !!isupper((int)c);
adamc@1061 4181 }
adamc@1061 4182
adamc@1061 4183 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 4184 return !!isxdigit((int)c);
adamc@1061 4185 }
adamc@1061 4186
adamc@1061 4187 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153 4188 return tolower((int)c);
adamc@1061 4189 }
adamc@1061 4190
adamc@1061 4191 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 4192 return toupper((int)c);
adamc@1061 4193 }
adamc@1066 4194
adamc@1128 4195 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128 4196 return (unsigned char)c;
adamc@1128 4197 }
adamc@1128 4198
adamc@1128 4199 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128 4200 return n;
adamc@1128 4201 }
adamc@1128 4202
adamc@1066 4203 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066 4204 return ctx->current_url;
adamc@1066 4205 }
adamc@1066 4206
adamc@1066 4207 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066 4208 ctx->current_url = s;
adamc@1066 4209 }
adamc@1114 4210
adamc@1114 4211 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114 4212 ctx->deadline = n;
adamc@1114 4213 }
adamc@1114 4214
adamc@1114 4215 void uw_check_deadline(uw_context ctx) {
adamc@1114 4216 if (uw_time > ctx->deadline)
adamc@1114 4217 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114 4218 }
adamc@1115 4219
adamc@1115 4220 size_t uw_database_max = SIZE_MAX;
adamc@1120 4221
adam@1389 4222 uw_Basis_int uw_Basis_naughtyDebug(uw_context ctx, uw_Basis_string s) {
adam@2143 4223 if (ctx->loggers->log_debug)
adam@2143 4224 ctx->loggers->log_debug(ctx->loggers->logger_data, "%s\n", s);
adam@2143 4225 else
adam@2143 4226 fprintf(stderr, "%s\n", s);
adam@1389 4227 return 0;
adam@1389 4228 }
adam@1389 4229
adamc@1120 4230 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
grrwlf@1997 4231 if (ctx->loggers->log_debug)
grrwlf@1997 4232 ctx->loggers->log_debug(ctx->loggers->logger_data, "%s\n", s);
adam@1334 4233 else
adam@1334 4234 fprintf(stderr, "%s\n", s);
adamc@1120 4235 return uw_unit_v;
adamc@1120 4236 }
adamc@1250 4237
adamc@1250 4238 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adam@2104 4239 int r = my_rand();
adam@2104 4240
adam@2104 4241 if (r >= 0)
adam@2104 4242 return r;
adam@1486 4243 else
adam@1486 4244 uw_error(ctx, FATAL, "Random number generation failed");
adamc@1250 4245 }
adam@1347 4246
adam@1347 4247 void uw_noPostBody(uw_context ctx) {
adam@1347 4248 ctx->hasPostBody = 0;
adam@1347 4249 }
adam@1347 4250
adam@1347 4251 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 4252 ctx->hasPostBody = 1;
adam@1347 4253 ctx->postBody = pb;
adam@1347 4254 }
adam@1347 4255
adam@1347 4256 int uw_hasPostBody(uw_context ctx) {
adam@1347 4257 return ctx->hasPostBody;
adam@1347 4258 }
adam@1347 4259
adam@1386 4260 void uw_isPost(uw_context ctx) {
adam@1386 4261 ctx->isPost = 1;
adam@1386 4262 }
adam@1386 4263
adam@1386 4264 uw_Basis_bool uw_Basis_currentUrlHasPost(uw_context ctx) {
adam@1386 4265 return ctx->isPost;
adam@1386 4266 }
adam@1386 4267
adam@1485 4268 uw_Basis_bool uw_Basis_currentUrlHasQueryString(uw_context ctx) {
adam@1485 4269 return ctx->queryString != NULL && ctx->queryString[0] != 0;
adam@1485 4270 }
adam@1485 4271
adam@1370 4272 void uw_setQueryString(uw_context ctx, uw_Basis_string s) {
adam@1370 4273 ctx->queryString = s;
adam@1370 4274 }
adam@1370 4275
adam@1370 4276 uw_Basis_string uw_queryString(uw_context ctx) {
adam@1370 4277 return ctx->queryString;
adam@1370 4278 }
adam@1370 4279
adam@1347 4280 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347 4281 if (ctx->hasPostBody)
adam@1347 4282 return ctx->postBody;
adam@1347 4283 else
adam@1347 4284 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347 4285 }
adam@1349 4286
adam@1349 4287 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349 4288 int r = setjmp(ctx->jmp_buf);
adam@1349 4289
adam@1349 4290 if (r == 0) {
adam@1936 4291 uw_ensure_transaction(ctx);
adam@1418 4292
adam@1349 4293 callback(ctx);
adam@1349 4294 }
adam@1349 4295
adam@1349 4296 return r;
adam@1349 4297 }
adam@1360 4298
adam@1360 4299 uw_Basis_string uw_Basis_crypt(uw_context ctx, uw_Basis_string key, uw_Basis_string salt) {
adam@1397 4300 char buf[14];
adam@1397 4301 return uw_strdup(ctx, DES_fcrypt(key, salt, buf));
adam@1360 4302 }
adam@1365 4303
adam@1365 4304 uw_Basis_bool uw_Basis_eq_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 4305 return !!(t1.seconds == t2.seconds && t1.microseconds == t2.microseconds);
adam@1365 4306 }
adam@1365 4307
adam@1365 4308 uw_Basis_bool uw_Basis_lt_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@2034 4309 return !!(t1.seconds < t2.seconds || (t1.seconds == t2.seconds && t1.microseconds < t2.microseconds));
adam@1365 4310 }
adam@1365 4311
adam@1365 4312 uw_Basis_bool uw_Basis_le_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 4313 return !!(uw_Basis_eq_time(ctx, t1, t2) || uw_Basis_lt_time(ctx, t1, t2));
adam@1365 4314 }
adam@1365 4315
adam@1372 4316 uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374 4317 struct tm stm = {};
adam@1375 4318 char *end = strchr(s, 0);
adam@1449 4319 stm.tm_isdst = -1;
adam@1375 4320
adam@1632 4321 if (strptime(s, TIME_FMT_PG, &stm) == end || strptime(s, TIME_FMT, &stm) == end || strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1373 4322 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1375 4323
kkallio@1448 4324 r->seconds = timegm(&stm);
adam@1373 4325 r->microseconds = 0;
adam@1373 4326
adam@1373 4327 return r;
adam@1374 4328 }
adam@1374 4329 else
adam@1373 4330 return NULL;
adam@1372 4331 }
adam@1407 4332
adam@1407 4333 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1407 4334 int r = setjmp(ctx->jmp_buf);
adam@1407 4335
adam@1407 4336 if (ctx->app->on_error) {
adam@1407 4337 if (r == 0) {
adam@1936 4338 uw_ensure_transaction(ctx);
adam@1407 4339
adam@1409 4340 uw_buffer_reset(&ctx->outHeaders);
adam@1409 4341 if (on_success[0])
adam@1409 4342 uw_write_header(ctx, "HTTP/1.1 ");
adam@1409 4343 else
adam@1409 4344 uw_write_header(ctx, "Status: ");
adam@1409 4345 uw_write_header(ctx, "500 Internal Server Error\r\n");
adam@1919 4346 uw_write_header(ctx, "Content-type: text/html\r\n");
adam@1956 4347 uw_write(ctx, ctx->app->is_html5 ? uw_begin_html5 : uw_begin_xhtml);
adam@1407 4348 ctx->app->on_error(ctx, msg);
adam@1407 4349 uw_write(ctx, "</html>");
adam@1407 4350 }
adam@1407 4351
adam@1407 4352 return r;
adam@1407 4353 } else
adam@1407 4354 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1407 4355 }
adam@1451 4356
adam@1451 4357 void uw_mayReturnIndirectly(uw_context ctx) {
adam@1451 4358 ctx->allowed_to_return_indirectly = 1;
adam@1451 4359 }
adam@1483 4360
adam@1556 4361 uw_Basis_string uw_Basis_fresh(uw_context ctx) {
adam@1703 4362 int len;
adam@1703 4363 char *r;
adam@1703 4364
adam@1703 4365 uw_check_heap(ctx, 2+INTS_MAX);
adam@1703 4366 r = ctx->heap.front;
adam@1703 4367 sprintf(r, "uw%u%n", ctx->nextId++, &len);
adam@1703 4368 ctx->heap.front += len+1;
adam@1703 4369 return r;
adam@1556 4370 }
adam@1571 4371
adam@1571 4372 uw_Basis_float uw_Basis_floatFromInt(uw_context ctx, uw_Basis_int n) {
adam@1571 4373 return n;
adam@1571 4374 }
adam@1571 4375
adam@1571 4376 uw_Basis_int uw_Basis_ceil(uw_context ctx, uw_Basis_float n) {
adam@1571 4377 return ceil(n);
adam@1571 4378 }
adam@1571 4379
adam@1571 4380 uw_Basis_int uw_Basis_trunc(uw_context ctx, uw_Basis_float n) {
adam@1571 4381 return trunc(n);
adam@1571 4382 }
adam@1571 4383
adam@1571 4384 uw_Basis_int uw_Basis_round(uw_context ctx, uw_Basis_float n) {
adam@1571 4385 return round(n);
adam@1571 4386 }
adam@1755 4387
adam@1755 4388 uw_Basis_string uw_Basis_atom(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 uw_error(ctx, FATAL, "Disallowed character in CSS atom");
adam@1755 4395 }
adam@1755 4396
adam@1755 4397 return s;
adam@1755 4398 }
adam@1755 4399
adam@1755 4400 uw_Basis_string uw_Basis_css_url(uw_context ctx, uw_Basis_string s) {
adam@1755 4401 char *p;
adam@1755 4402
adam@1755 4403 for (p = s; *p; ++p) {
adam@1755 4404 char c = *p;
adam@1801 4405 if (!isalnum((int)c) && c != ':' && c != '/' && c != '.' && c != '_' && c != '+'
adam@1755 4406 && c != '-' && c != '%' && c != '?' && c != '&' && c != '=' && c != '#')
adam@1755 4407 uw_error(ctx, FATAL, "Disallowed character in CSS URL");
adam@1755 4408 }
adam@1755 4409
adam@1755 4410 return s;
adam@1755 4411 }
adam@1755 4412
adam@1755 4413 uw_Basis_string uw_Basis_property(uw_context ctx, uw_Basis_string s) {
adam@1755 4414 char *p;
adam@1755 4415
adam@1755 4416 if (!*s)
adam@1755 4417 uw_error(ctx, FATAL, "Empty CSS property");
adam@1755 4418
adam@1801 4419 if (!islower((int)s[0]) && s[0] != '_')
adam@1755 4420 uw_error(ctx, FATAL, "Bad initial character in CSS property");
adam@1755 4421
adam@1755 4422 for (p = s; *p; ++p) {
adam@1755 4423 char c = *p;
adam@1801 4424 if (!islower((int)c) && !isdigit((int)c) && c != '_' && c != '-')
adam@1755 4425 uw_error(ctx, FATAL, "Disallowed character in CSS property");
adam@1755 4426 }
adam@1755 4427
adam@1755 4428 return s;
adam@1755 4429 }
adam@1787 4430
adam@1787 4431 uw_Basis_string uw_Basis_fieldName(uw_context ctx, uw_Basis_postField f) {
adam@1787 4432 return f.name;
adam@1787 4433 }
adam@1787 4434
adam@1787 4435 uw_Basis_string uw_Basis_fieldValue(uw_context ctx, uw_Basis_postField f) {
adam@1787 4436 return f.value;
adam@1787 4437 }
adam@1787 4438
adam@1787 4439 uw_Basis_string uw_Basis_remainingFields(uw_context ctx, uw_Basis_postField f) {
adam@1787 4440 return f.remaining;
adam@1787 4441 }
adam@1787 4442
adam@1787 4443 uw_Basis_postField *uw_Basis_firstFormField(uw_context ctx, uw_Basis_string s) {
adam@1788 4444 char *unurl;
adam@1787 4445 uw_Basis_postField *f;
adam@1787 4446
adam@1788 4447 if (!ctx->hasPostBody)
adam@1788 4448 uw_error(ctx, FATAL, "firstFormField called when there is no POST body");
adam@1788 4449
adam@1788 4450 if (s < ctx->postBody.data || s >= ctx->postBody.data + ctx->postBody.len)
adam@1787 4451 return NULL;
adam@1787 4452
adam@1787 4453 f = uw_malloc(ctx, sizeof(uw_Basis_postField));
adam@1788 4454 unurl = s;
adam@1787 4455 f->name = uw_Basis_unurlifyString(ctx, &unurl);
adam@1788 4456 s = strchr(s, 0);
adam@1788 4457 if (!s)
adam@1788 4458 uw_error(ctx, FATAL, "firstFormField: Missing null terminator");
adam@1788 4459 ++s;
adam@1788 4460 unurl = s;
adam@1788 4461 f->value = uw_Basis_unurlifyString(ctx, &unurl);
adam@1788 4462 s = strchr(s, 0);
adam@1788 4463 if (!s)
adam@1788 4464 uw_error(ctx, FATAL, "firstFormField: Missing null terminator");
adam@1788 4465 f->remaining = s+1;
adam@1787 4466
adam@1787 4467 return f;
adam@1787 4468 }
adam@2008 4469
adam@2008 4470 uw_Basis_string uw_Basis_blessData(uw_context ctx, uw_Basis_string s) {
adam@2008 4471 char *p = s;
adam@2008 4472
adam@2008 4473 for (; *p; ++p)
adam@2008 4474 if (!isalnum(*p) && *p != '-' && *p != '_')
adam@2008 4475 uw_error(ctx, FATAL, "Illegal HTML5 data-* attribute: %s", s);
adam@2008 4476
adam@2008 4477 return s;
adam@2008 4478 }
adam@2073 4479
adam@2073 4480 int uw_remoteSock(uw_context ctx) {
adam@2073 4481 return ctx->remoteSock;
adam@2073 4482 }
adam@2073 4483
adam@2073 4484 void uw_set_remoteSock(uw_context ctx, int sock) {
adam@2073 4485 ctx->remoteSock = sock;
adam@2073 4486 }