annotate src/c/urweb.c @ 2001:16f5f136a807

uw_register_transactional() can return error codes
author Adam Chlipala <adam@chlipala.net>
date Thu, 17 Apr 2014 17:41:24 -0400
parents bddee3af70c4
children 93ff76058825
rev   line source
adamc@1268 1 #include "config.h"
adamc@1268 2
adamc@117 3 #include <stdlib.h>
adamc@102 4 #include <stdio.h>
adamc@117 5 #include <string.h>
adamc@457 6 #include <strings.h>
adamc@106 7 #include <ctype.h>
adamc@167 8 #include <setjmp.h>
adamc@167 9 #include <stdarg.h>
adamc@682 10 #include <assert.h>
adamc@741 11 #include <ctype.h>
adamc@1114 12 #include <limits.h>
adamc@1113 13 #include <stdint.h>
adamc@1094 14 #include <sys/types.h>
adamc@1094 15 #include <sys/socket.h>
adam@1397 16 #include <openssl/des.h>
adam@1486 17 #include <openssl/rand.h>
adam@1374 18 #include <time.h>
adam@1571 19 #include <math.h>
adamc@102 20
adamc@667 21 #include <pthread.h>
adamc@667 22
adamc@102 23 #include "types.h"
adamc@102 24
adam@1431 25 uw_unit uw_unit_v = 0;
adamc@102 26
adamc@667 27
adamc@667 28 // Socket extras
adamc@667 29
adamc@863 30 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667 31 while (len > 0) {
adamc@856 32 ssize_t n = send(sock, buf, len, 0);
adamc@856 33
adamc@856 34 if (n < 0)
adamc@856 35 return n;
adamc@856 36
adamc@856 37 buf += n;
adamc@856 38 len -= n;
adamc@856 39 }
adamc@856 40
adamc@856 41 return 0;
adamc@856 42 }
adamc@856 43
adamc@856 44 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856 45 while (len > 0) {
adamc@856 46 ssize_t n = write(fd, buf, len);
adamc@667 47
adamc@667 48 if (n < 0)
adamc@667 49 return n;
adamc@667 50
adamc@667 51 buf += n;
adamc@667 52 len -= n;
adamc@667 53 }
adamc@667 54
adamc@667 55 return 0;
adamc@667 56 }
adamc@667 57
adamc@667 58
adamc@667 59 // Buffers
adamc@667 60
adam@1369 61 void uw_buffer_init(size_t max, uw_buffer *b, size_t s) {
adamc@1113 62 b->max = max;
adamc@667 63 b->front = b->start = malloc(s);
adamc@667 64 b->back = b->front + s;
adamc@667 65 }
adamc@667 66
adam@1369 67 void uw_buffer_free(uw_buffer *b) {
adamc@667 68 free(b->start);
adamc@667 69 }
adamc@667 70
adam@1369 71 void uw_buffer_reset(uw_buffer *b) {
adamc@667 72 b->front = b->start;
adamc@667 73 }
adamc@667 74
adam@1369 75 int uw_buffer_check(uw_buffer *b, size_t extra) {
adamc@667 76 if (b->back - b->front < extra) {
adamc@667 77 size_t desired = b->front - b->start + extra, next;
adamc@667 78 char *new_heap;
adamc@667 79
adamc@667 80 next = b->back - b->start;
adamc@667 81 if (next == 0)
adamc@667 82 next = 1;
adamc@667 83 for (; next < desired; next *= 2);
adamc@667 84
adamc@1134 85 if (next > b->max) {
adamc@1113 86 if (desired <= b->max)
adamc@1113 87 next = desired;
adamc@1113 88 else
adamc@1113 89 return 1;
adamc@1134 90 }
adamc@1113 91
adamc@667 92 new_heap = realloc(b->start, next);
adamc@667 93 b->front = new_heap + (b->front - b->start);
adamc@667 94 b->back = new_heap + next;
adamc@667 95 b->start = new_heap;
adamc@667 96 }
adamc@1113 97
adamc@1113 98 return 0;
adamc@1113 99 }
adamc@1113 100
adamc@1113 101 __attribute__((noreturn)) void uw_error(uw_context, failure_kind, const char *, ...);
adamc@1113 102
adam@1369 103 static void ctx_uw_buffer_check(uw_context ctx, const char *kind, uw_buffer *b, size_t extra) {
adam@1369 104 if (uw_buffer_check(b, extra))
adamc@1113 105 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@667 106 }
adamc@667 107
adam@1369 108 size_t uw_buffer_used(uw_buffer *b) {
adamc@667 109 return b->front - b->start;
adamc@667 110 }
adamc@667 111
adam@1369 112 size_t uw_buffer_avail(uw_buffer *b) {
adamc@667 113 return b->back - b->start;
adamc@667 114 }
adamc@667 115
adam@1369 116 int uw_buffer_append(uw_buffer *b, const char *s, size_t len) {
adam@1369 117 if (uw_buffer_check(b, len+1))
adamc@1113 118 return 1;
adamc@1113 119
adamc@1113 120 memcpy(b->front, s, len);
adamc@1113 121 b->front += len;
adamc@1113 122 *b->front = 0;
adamc@1113 123
adamc@1113 124 return 0;
adamc@1113 125 }
adamc@1113 126
adam@1369 127 static void ctx_uw_buffer_append(uw_context ctx, const char *kind, uw_buffer *b, const char *s, size_t len) {
adam@1369 128 ctx_uw_buffer_check(ctx, kind, b, len+1);
adamc@1113 129
adamc@668 130 memcpy(b->front, s, len);
adamc@668 131 b->front += len;
adamc@672 132 *b->front = 0;
adamc@668 133 }
adamc@667 134
adamc@668 135
adamc@672 136 // Persistent state types
adamc@667 137
adamc@667 138 typedef enum { UNUSED, USED } usage;
adamc@667 139
adamc@667 140 typedef struct client {
adamc@682 141 unsigned id;
adamc@667 142 usage mode;
adamc@682 143 int pass;
adamc@682 144 struct client *next;
adamc@689 145 pthread_mutex_t lock, pull_lock;
adam@1369 146 uw_buffer msgs;
adamc@682 147 int sock;
adamc@863 148 int (*send)(int sockfd, const void *buf, ssize_t len);
adamc@863 149 int (*close)(int fd);
adamc@682 150 time_t last_contact;
adamc@682 151 unsigned n_channels;
adamc@685 152 unsigned refcount;
adamc@1121 153 void *data;
adamc@667 154 } client;
adamc@667 155
adamc@672 156
adamc@672 157 // Persistent client state
adamc@672 158
adamc@682 159 static client **clients, *clients_free, *clients_used;
adamc@682 160 static unsigned n_clients;
adamc@667 161
adam@1707 162 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@1113 163 size_t uw_messages_max = SIZE_MAX;
adamc@1113 164 size_t uw_clients_max = SIZE_MAX;
adamc@1113 165
adamc@1121 166 void *uw_init_client_data();
adamc@1121 167 void uw_free_client_data(void *);
adamc@1121 168 void uw_copy_client_data(void *dst, void *src);
adamc@1121 169
adamc@682 170 static client *new_client() {
adamc@667 171 client *c;
adamc@667 172
adamc@667 173 pthread_mutex_lock(&clients_mutex);
adamc@667 174
adamc@667 175 if (clients_free) {
adamc@667 176 c = clients_free;
adamc@682 177 clients_free = clients_free->next;
adamc@667 178 }
adam@1672 179 else if (n_clients >= uw_clients_max) {
adam@1672 180 pthread_mutex_unlock(&clients_mutex);
adamc@1113 181 return NULL;
adam@1672 182 } else {
adamc@667 183 ++n_clients;
adamc@667 184 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667 185 c = malloc(sizeof(client));
adamc@667 186 c->id = n_clients-1;
adamc@682 187 pthread_mutex_init(&c->lock, NULL);
adamc@689 188 pthread_mutex_init(&c->pull_lock, NULL);
adam@1369 189 uw_buffer_init(uw_messages_max, &c->msgs, 0);
adamc@667 190 clients[n_clients-1] = c;
adamc@667 191 }
adamc@667 192
adamc@682 193 pthread_mutex_lock(&c->lock);
adamc@667 194 c->mode = USED;
adamc@682 195 c->pass = rand();
adamc@682 196 c->sock = -1;
adamc@682 197 c->last_contact = time(NULL);
adam@1369 198 uw_buffer_reset(&c->msgs);
adamc@682 199 c->n_channels = 0;
adamc@685 200 c->refcount = 0;
adamc@1121 201 c->data = uw_init_client_data();
adamc@682 202 pthread_mutex_unlock(&c->lock);
adamc@682 203
adamc@682 204 c->next = clients_used;
adamc@682 205 clients_used = c;
adamc@667 206
adamc@667 207 pthread_mutex_unlock(&clients_mutex);
adamc@667 208
adamc@667 209 return c;
adamc@667 210 }
adamc@667 211
adamc@685 212 static void use_client(client *c) {
adamc@685 213 pthread_mutex_lock(&c->lock);
adamc@685 214 ++c->refcount;
adamc@685 215 pthread_mutex_unlock(&c->lock);
adamc@689 216 pthread_mutex_lock(&c->pull_lock);
adamc@685 217 }
adamc@685 218
adamc@685 219 static void release_client(client *c) {
adamc@689 220 pthread_mutex_unlock(&c->pull_lock);
adamc@685 221 pthread_mutex_lock(&c->lock);
adamc@685 222 --c->refcount;
adamc@685 223 pthread_mutex_unlock(&c->lock);
adamc@685 224 }
adamc@685 225
adamc@856 226 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adam@1707 227 static pthread_t pruning_thread;
adam@1707 228 static int pruning_thread_initialized = 0;
adamc@667 229
adamc@682 230 static client *find_client(unsigned id) {
adamc@667 231 client *c;
adam@1708 232 int i_am_pruner = pruning_thread_initialized && pthread_equal(pruning_thread, pthread_self());
adam@1708 233
adam@1708 234 if (!i_am_pruner) pthread_mutex_lock(&clients_mutex);
adamc@667 235
adamc@667 236 if (id >= n_clients) {
adam@1708 237 if (!i_am_pruner) pthread_mutex_unlock(&clients_mutex);
adamc@668 238 return NULL;
adamc@667 239 }
adamc@667 240
adamc@667 241 c = clients[id];
adamc@667 242
adam@1708 243 if (!i_am_pruner) pthread_mutex_unlock(&clients_mutex);
adamc@668 244 return c;
adamc@668 245 }
adamc@668 246
adamc@856 247 static char *on_success = "HTTP/1.1 200 OK\r\n";
adam@1409 248 static char *on_redirect = "HTTP/1.1 303 See Other\r\n";
adamc@856 249
adamc@856 250 void uw_set_on_success(char *s) {
adamc@856 251 on_success = s;
adamc@856 252 }
adamc@856 253
adam@1552 254 static void chastise(int (*send)(int sockfd, const void *buf, ssize_t len), int sock) {
adam@1552 255 send(sock, on_success, strlen(on_success));
adam@1552 256 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1552 257 send(sock, "R", 1);
adam@1552 258 close(sock);
adam@1552 259 }
adam@1552 260
adamc@863 261 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863 262 int (*send)(int sockfd, const void *buf, ssize_t len),
adamc@864 263 int (*close)(int fd),
adamc@864 264 void *logger_data, uw_logger log_error) {
adamc@682 265 client *c = find_client(id);
adamc@668 266
adamc@668 267 if (c == NULL) {
adam@1552 268 chastise(send, sock);
adamc@864 269 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667 270 return;
adamc@667 271 }
adamc@667 272
adamc@682 273 pthread_mutex_lock(&c->lock);
adamc@671 274
adamc@682 275 if (c->mode != USED) {
adamc@682 276 pthread_mutex_unlock(&c->lock);
adam@1552 277 chastise(send, sock);
adamc@864 278 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667 279 return;
adamc@667 280 }
adamc@667 281
adamc@682 282 if (pass != c->pass) {
adamc@682 283 pthread_mutex_unlock(&c->lock);
adam@1552 284 chastise(send, sock);
adamc@864 285 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682 286 return;
adamc@667 287 }
adamc@667 288
adamc@682 289 if (c->sock != -1) {
adamc@863 290 c->close(c->sock);
adamc@682 291 c->sock = -1;
adamc@682 292 }
adamc@667 293
adamc@682 294 c->last_contact = time(NULL);
adamc@682 295
adam@1369 296 if (uw_buffer_used(&c->msgs) > 0) {
adamc@863 297 send(sock, on_success, strlen(on_success));
adamc@863 298 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1369 299 send(sock, c->msgs.start, uw_buffer_used(&c->msgs));
adam@1369 300 uw_buffer_reset(&c->msgs);
adamc@667 301 close(sock);
adamc@667 302 }
adamc@863 303 else {
adamc@682 304 c->sock = sock;
adamc@863 305 c->send = send;
adamc@863 306 c->close = close;
adamc@863 307 }
adamc@667 308
adamc@682 309 pthread_mutex_unlock(&c->lock);
adamc@667 310 }
adamc@667 311
adamc@682 312 static void free_client(client *c) {
adamc@682 313 c->mode = UNUSED;
adamc@682 314 c->pass = -1;
adamc@667 315
adamc@682 316 c->next = clients_free;
adamc@682 317 clients_free = c;
adamc@667 318 }
adamc@667 319
adamc@682 320 static uw_Basis_channel new_channel(client *c) {
adamc@682 321 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668 322 return ch;
adamc@668 323 }
adamc@668 324
adam@1447 325 static void client_send(client *c, uw_buffer *msg, const char *script, int script_len) {
adamc@685 326 pthread_mutex_lock(&c->lock);
adamc@671 327
adamc@682 328 if (c->sock != -1) {
adamc@863 329 c->send(c->sock, on_success, strlen(on_success));
adamc@863 330 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1447 331 if (script_len > 0) {
adam@1447 332 c->send(c->sock, "E\n", 2);
adam@1447 333 c->send(c->sock, script, script_len);
adam@1447 334 c->send(c->sock, "\n", 1);
adam@1447 335 }
adam@1369 336 c->send(c->sock, msg->start, uw_buffer_used(msg));
adamc@863 337 c->close(c->sock);
adamc@682 338 c->sock = -1;
adam@1665 339 } else if (uw_buffer_append(&c->msgs, msg->start, uw_buffer_used(msg)))
adamc@1113 340 fprintf(stderr, "Client message buffer size exceeded");
adamc@671 341
adamc@685 342 pthread_mutex_unlock(&c->lock);
adamc@668 343 }
adamc@668 344
adamc@668 345
adamc@668 346 // Global entry points
adamc@668 347
adamc@1164 348 extern void uw_global_custom();
adamc@1104 349 extern void uw_init_crypto();
adamc@1104 350
adamc@668 351 void uw_global_init() {
adamc@668 352 srand(time(NULL) ^ getpid());
adamc@668 353
adamc@668 354 clients = malloc(0);
adamc@1104 355
adamc@1164 356 uw_global_custom();
adamc@1104 357 uw_init_crypto();
adamc@1094 358 }
adamc@1094 359
adamc@1094 360 void uw_app_init(uw_app *app) {
adamc@1094 361 app->client_init();
adamc@668 362 }
adamc@668 363
adam@1332 364 int uw_time = 0, uw_time_max = 0, uw_min_heap = 0;
adamc@1114 365
adamc@668 366
adamc@667 367 // Single-request state
adamc@667 368
adamc@323 369 typedef struct regions {
adamc@323 370 struct regions *next;
adamc@323 371 } regions;
adamc@323 372
adamc@425 373 typedef struct {
adamc@425 374 void (*func)(void*);
adamc@425 375 void *arg;
adamc@425 376 } cleanup;
adamc@425 377
adamc@671 378 typedef struct {
adamc@682 379 unsigned client;
adam@1369 380 uw_buffer msgs;
adamc@682 381 } delta;
adamc@671 382
adamc@737 383 typedef enum {
adamc@759 384 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737 385 } input_kind;
adamc@737 386
adamc@756 387 typedef struct input {
adamc@737 388 input_kind kind;
adamc@737 389 union {
adamc@737 390 char *normal;
adamc@739 391 uw_Basis_file file;
adamc@756 392 struct {
adamc@759 393 struct input *fields, *parent;
adamc@756 394 } subform;
adamc@759 395 struct {
adamc@759 396 struct input *entries, *parent;
adamc@759 397 } subforms;
adamc@759 398 struct {
adamc@759 399 struct input *fields, *next, *parent;
adamc@759 400 } entry;
adamc@737 401 } data;
adamc@737 402 } input;
adamc@737 403
adamc@771 404 typedef struct {
adamc@771 405 void *data;
adam@1327 406 uw_callback commit, rollback;
adam@1327 407 uw_callback_with_retry free;
adamc@771 408 } transactional;
adamc@771 409
adamc@1061 410 typedef struct {
adamc@1061 411 char *name;
adamc@1061 412 void *data;
adamc@1061 413 void (*free)(void*);
adamc@1061 414 } global;
adamc@1061 415
adamc@311 416 struct uw_context {
adamc@1094 417 uw_app *app;
adam@1446 418 int id;
adamc@1094 419
adamc@854 420 char *(*get_header)(void *, const char *);
adamc@854 421 void *get_header_data;
adamc@457 422
adam@1799 423 char *(*get_env)(void *, const char *);
adam@1799 424 void *get_env_data;
adam@1799 425
adam@1369 426 uw_buffer outHeaders, page, heap, script;
adam@1451 427 int allowed_to_return_indirectly, returning_indirectly;
adamc@759 428 input *inputs, *subinputs, *cur_container;
adamc@1094 429 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167 430
adam@1446 431 unsigned long long source_count;
adamc@562 432
adamc@272 433 void *db;
adam@1931 434 int transaction_started;
adamc@272 435
adamc@167 436 jmp_buf jmp_buf;
adamc@167 437
adamc@323 438 regions *regions;
adamc@323 439
adamc@425 440 cleanup *cleanup, *cleanup_front, *cleanup_back;
adamc@425 441
adamc@1094 442 const char *script_header;
adamc@643 443
adam@1936 444 int needs_push, needs_sig, could_write_db;
adamc@693 445
adamc@682 446 size_t n_deltas, used_deltas;
adamc@682 447 delta *deltas;
adamc@671 448
adamc@682 449 client *client;
adamc@682 450
adamc@771 451 transactional *transactionals;
adamc@771 452 size_t n_transactionals, used_transactionals;
adamc@771 453
adamc@1061 454 global *globals;
adamc@1061 455 size_t n_globals;
adamc@1061 456
adamc@1066 457 char *current_url;
adamc@1066 458
adamc@1114 459 int deadline;
adamc@1114 460
adamc@1121 461 void *client_data;
adamc@1121 462
grrwlf@1997 463 uw_loggers *loggers;
adam@1334 464
adam@1386 465 int isPost, hasPostBody;
adam@1347 466 uw_Basis_postBody postBody;
adam@1370 467 uw_Basis_string queryString;
adam@1347 468
adam@1556 469 unsigned nextId;
adam@1556 470
adam@1782 471 int amInitializing;
adam@1782 472
adamc@167 473 char error_message[ERROR_BUF_LEN];
adam@1877 474
adam@1877 475 int usedSig, needsResig;
adam@1949 476
adam@1949 477 char *output_buffer;
adam@1949 478 size_t output_buffer_size;
adamc@117 479 };
adamc@117 480
adamc@1113 481 size_t uw_headers_max = SIZE_MAX;
adamc@1113 482 size_t uw_page_max = SIZE_MAX;
adamc@1113 483 size_t uw_heap_max = SIZE_MAX;
adamc@1113 484 size_t uw_script_max = SIZE_MAX;
adamc@1113 485
grrwlf@1997 486 uw_context uw_init(int id, uw_loggers *lg) {
adamc@311 487 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 488
adamc@1094 489 ctx->app = NULL;
adam@1446 490 ctx->id = id;
adamc@1094 491
adamc@854 492 ctx->get_header = NULL;
adamc@854 493 ctx->get_header_data = NULL;
adamc@457 494
adam@1799 495 ctx->get_env = NULL;
adam@1799 496 ctx->get_env_data = NULL;
adam@1799 497
adam@1413 498 uw_buffer_init(uw_headers_max, &ctx->outHeaders, 1);
adam@1413 499 ctx->outHeaders.start[0] = 0;
adam@1413 500 uw_buffer_init(uw_page_max, &ctx->page, 1);
adam@1413 501 ctx->page.start[0] = 0;
adam@1451 502 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 503 uw_buffer_init(uw_heap_max, &ctx->heap, uw_min_heap);
adam@1369 504 uw_buffer_init(uw_script_max, &ctx->script, 1);
adamc@667 505 ctx->script.start[0] = 0;
adamc@136 506
adamc@1094 507 ctx->inputs = malloc(0);
adamc@759 508 ctx->cur_container = NULL;
adamc@756 509 ctx->subinputs = malloc(0);
adamc@1094 510 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 511
adamc@272 512 ctx->db = NULL;
adam@1931 513 ctx->transaction_started = 0;
adamc@272 514
adamc@323 515 ctx->regions = NULL;
adamc@323 516
adamc@425 517 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 518
adamc@643 519 ctx->script_header = "";
adamc@693 520 ctx->needs_push = 0;
adamc@736 521 ctx->needs_sig = 0;
adam@1936 522 ctx->could_write_db = 1;
adamc@1104 523
adamc@565 524 ctx->source_count = 0;
adamc@562 525
adamc@682 526 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 527 ctx->deltas = malloc(0);
adamc@671 528
adamc@700 529 ctx->client = NULL;
adamc@700 530
adamc@700 531 ctx->error_message[0] = 0;
adamc@700 532
adamc@771 533 ctx->transactionals = malloc(0);
adamc@771 534 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 535
adamc@1061 536 ctx->globals = malloc(0);
adamc@1061 537 ctx->n_globals = 0;
adamc@1061 538
adamc@1066 539 ctx->current_url = "";
adamc@1066 540
adamc@1114 541 ctx->deadline = INT_MAX;
adamc@1114 542
adamc@1121 543 ctx->client_data = uw_init_client_data();
adamc@1121 544
grrwlf@1997 545 ctx->loggers = lg;
adam@1334 546
adam@1386 547 ctx->isPost = ctx->hasPostBody = 0;
adam@1347 548
adam@1370 549 ctx->queryString = NULL;
adam@1370 550
adam@1556 551 ctx->nextId = 0;
adam@1556 552
adam@1782 553 ctx->amInitializing = 0;
adam@1782 554
adam@1877 555 ctx->usedSig = 0;
adam@1877 556 ctx->needsResig = 0;
adam@1877 557
adam@1949 558 ctx->output_buffer = malloc(1);
adam@1949 559 ctx->output_buffer_size = 1;
adam@1949 560
adamc@117 561 return ctx;
adamc@106 562 }
adamc@106 563
adamc@1113 564 size_t uw_inputs_max = SIZE_MAX;
adamc@1113 565
adamc@1121 566 uw_app *uw_get_app(uw_context ctx) {
adamc@1121 567 return ctx->app;
adamc@1121 568 }
adamc@1121 569
adamc@1113 570 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094 571 ctx->app = app;
adamc@1094 572
adamc@1105 573 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113 574 if (app->inputs_len > uw_inputs_max)
adamc@1113 575 return 1;
adamc@1113 576
adamc@1094 577 ctx->sz_inputs = app->inputs_len;
adamc@1094 578 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094 579 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094 580 }
adamc@1134 581
adamc@1134 582 return 0;
adamc@1094 583 }
adamc@1094 584
adamc@1121 585 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121 586 uw_copy_client_data(ctx->client_data, data);
adamc@1121 587 }
adamc@1121 588
adamc@311 589 void uw_set_db(uw_context ctx, void *db) {
adamc@272 590 ctx->db = db;
adamc@272 591 }
adamc@272 592
adamc@311 593 void *uw_get_db(uw_context ctx) {
adamc@272 594 return ctx->db;
adamc@272 595 }
adamc@272 596
grrwlf@1997 597
grrwlf@1997 598 uw_loggers* uw_get_loggers(struct uw_context *ctx) {
grrwlf@1997 599 return ctx->loggers;
grrwlf@1997 600 }
grrwlf@1997 601
adamc@311 602 void uw_free(uw_context ctx) {
adamc@671 603 size_t i;
adamc@671 604
adam@1369 605 uw_buffer_free(&ctx->outHeaders);
adam@1369 606 uw_buffer_free(&ctx->script);
adam@1369 607 uw_buffer_free(&ctx->page);
adam@1369 608 uw_buffer_free(&ctx->heap);
adamc@144 609 free(ctx->inputs);
adamc@756 610 free(ctx->subinputs);
adamc@425 611 free(ctx->cleanup);
adamc@771 612 free(ctx->transactionals);
adamc@1121 613 uw_free_client_data(ctx->client_data);
adamc@671 614
adamc@682 615 for (i = 0; i < ctx->n_deltas; ++i)
adam@1369 616 uw_buffer_free(&ctx->deltas[i].msgs);
marco-oweber@1330 617 free(ctx->deltas);
adamc@671 618
adamc@1061 619 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089 620 if (ctx->globals[i].free)
adamc@1089 621 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330 622 free(ctx->globals);
adamc@1061 623
adam@1949 624 free(ctx->output_buffer);
adam@1949 625
adamc@136 626 free(ctx);
adamc@136 627 }
adamc@136 628
adamc@562 629 void uw_reset_keep_error_message(uw_context ctx) {
adam@1369 630 uw_buffer_reset(&ctx->outHeaders);
adam@1369 631 uw_buffer_reset(&ctx->script);
adamc@667 632 ctx->script.start[0] = 0;
adam@1369 633 uw_buffer_reset(&ctx->page);
adam@1451 634 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 635 uw_buffer_reset(&ctx->heap);
adamc@323 636 ctx->regions = NULL;
adamc@425 637 ctx->cleanup_front = ctx->cleanup;
adamc@682 638 ctx->used_deltas = 0;
adamc@682 639 ctx->client = NULL;
adamc@759 640 ctx->cur_container = NULL;
adamc@771 641 ctx->used_transactionals = 0;
adamc@1117 642 ctx->script_header = "";
adam@1370 643 ctx->queryString = NULL;
adam@1556 644 ctx->nextId = 0;
adam@1782 645 ctx->amInitializing = 0;
adam@1877 646 ctx->usedSig = 0;
adam@1877 647 ctx->needsResig = 0;
adamc@167 648 }
adamc@167 649
adamc@562 650 void uw_reset_keep_request(uw_context ctx) {
adamc@562 651 uw_reset_keep_error_message(ctx);
adamc@562 652 ctx->error_message[0] = 0;
adamc@167 653 }
adamc@167 654
adamc@311 655 void uw_reset(uw_context ctx) {
adamc@311 656 uw_reset_keep_request(ctx);
adamc@1105 657 if (ctx->app)
adamc@1105 658 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756 659 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adam@1461 660 ctx->used_subinputs = ctx->hasPostBody = ctx->isPost = 0;
adam@1943 661 ctx->transaction_started = 0;
adamc@144 662 }
adamc@144 663
adamc@311 664 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 665 int r = setjmp(ctx->jmp_buf);
adamc@272 666
adamc@1105 667 if (r == 0 && ctx->app)
adamc@1094 668 ctx->app->db_init(ctx);
adamc@272 669
adamc@272 670 return r;
adamc@272 671 }
adamc@272 672
adamc@1118 673 void uw_close(uw_context ctx) {
adamc@1118 674 ctx->app->db_close(ctx);
adamc@1118 675 }
adamc@1118 676
adam@1446 677 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adam@1446 678 return ctx->get_header(ctx->get_header_data, h);
adam@1446 679 }
adam@1446 680
adamc@854 681 void uw_set_headers(uw_context ctx, char *(*get_header)(void *, const char *), void *get_header_data) {
adamc@854 682 ctx->get_header = get_header;
adamc@854 683 ctx->get_header_data = get_header_data;
adamc@742 684 }
adamc@742 685
adam@1799 686 void uw_set_env(uw_context ctx, char *(*get_env)(void *, const char *), void *get_env_data) {
adam@1799 687 ctx->get_env = get_env;
adam@1799 688 ctx->get_env_data = get_env_data;
adam@1799 689 }
adam@1799 690
adamc@801 691 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801 692 va_list ap;
adamc@801 693 va_start(ap, fmt);
adamc@801 694
adamc@801 695 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801 696 }
adamc@801 697
adamc@1131 698 int uw_has_error(uw_context ctx) {
adamc@1131 699 return ctx->error_message[0] != 0;
adamc@1131 700 }
adamc@1131 701
adamc@311 702 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 703 cleanup *cl;
adamc@425 704
adamc@167 705 va_list ap;
adamc@167 706 va_start(ap, fmt);
adamc@167 707
adamc@167 708 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 709
adamc@425 710 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 711 cl->func(cl->arg);
adamc@425 712
adamc@425 713 ctx->cleanup_front = ctx->cleanup;
adamc@425 714
adamc@190 715 longjmp(ctx->jmp_buf, fk);
adamc@167 716 }
adamc@167 717
adamc@1113 718 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113 719
adamc@425 720 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 721 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 722 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 723 if (len == 0)
adamc@425 724 newLen = 1;
adamc@425 725 else
adamc@428 726 newLen = len * 2;
adamc@1113 727
adamc@1134 728 if (newLen > uw_cleanup_max) {
adamc@1113 729 if (len+1 <= uw_cleanup_max)
adamc@1113 730 newLen = uw_cleanup_max;
adamc@1113 731 else
adamc@1113 732 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134 733 }
adamc@1113 734
adamc@470 735 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 736 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 737 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 738 }
adamc@425 739
adamc@425 740 ctx->cleanup_front->func = func;
adamc@425 741 ctx->cleanup_front->arg = arg;
adamc@425 742 ++ctx->cleanup_front;
adamc@425 743 }
adamc@425 744
adam@1444 745 char *uw_Basis_htmlifyString(uw_context, const char *);
adam@1444 746
adamc@682 747 void uw_login(uw_context ctx) {
adam@1942 748 char *id_s, *pass_s;
adam@1942 749
adam@1942 750 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adam@1942 751 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adam@1942 752 unsigned id = atoi(id_s);
adam@1942 753 int pass = atoi(pass_s);
adam@1942 754 client *c = find_client(id);
adam@1942 755
adam@1942 756 if (c == NULL)
adam@1942 757 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 758 else {
adamc@685 759 use_client(c);
adamc@682 760 ctx->client = c;
adam@1942 761
adam@1942 762 if (c->mode != USED)
adam@1942 763 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adam@1942 764 if (c->pass != pass)
adam@1942 765 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@864 766 }
adam@1942 767 } else if (ctx->needs_push) {
adam@1942 768 client *c = new_client();
adam@1942 769
adam@1942 770 if (c == NULL)
adam@1942 771 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adam@1942 772
adam@1942 773 use_client(c);
adam@1942 774 uw_copy_client_data(c->data, ctx->client_data);
adam@1942 775 ctx->client = c;
adamc@682 776 }
adamc@682 777 }
adamc@682 778
adamc@671 779 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671 780 int r = setjmp(ctx->jmp_buf);
adamc@671 781
adam@1931 782 if (r == 0)
adam@1931 783 ctx->app->handle(ctx, path);
adam@1931 784
adam@1931 785 return r;
adam@1931 786 }
adam@1931 787
adam@1931 788 void uw_ensure_transaction(uw_context ctx) {
adam@1931 789 if (!ctx->transaction_started) {
adam@1936 790 if (ctx->app->db_begin(ctx, ctx->could_write_db))
adamc@671 791 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1931 792 ctx->transaction_started = 1;
adamc@671 793 }
adamc@671 794 }
adamc@671 795
adamc@772 796 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682 797 if (ctx->client == NULL)
adamc@682 798 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682 799
adamc@682 800 return ctx->client->id;
adamc@682 801 }
adamc@682 802
adamc@425 803 void uw_pop_cleanup(uw_context ctx) {
adamc@425 804 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 805 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 806
adamc@425 807 --ctx->cleanup_front;
adamc@425 808 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 809 }
adamc@425 810
adamc@311 811 char *uw_error_message(uw_context ctx) {
adamc@167 812 return ctx->error_message;
adamc@167 813 }
adamc@167 814
adamc@1115 815 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115 816 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115 817 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115 818 }
adamc@1115 819
adamc@759 820 static input *INP(uw_context ctx) {
adamc@759 821 if (ctx->cur_container == NULL)
adamc@759 822 return ctx->inputs;
adamc@759 823 else if (ctx->cur_container->kind == SUBFORM)
adamc@759 824 return ctx->cur_container->data.subform.fields;
adamc@759 825 else if (ctx->cur_container->kind == ENTRY)
adamc@759 826 return ctx->cur_container->data.entry.fields;
adamc@759 827 else
adamc@760 828 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759 829 }
adamc@759 830
adamc@760 831 static void adjust_pointer(input **ptr, input *old_start, input *new_start, size_t len) {
adamc@760 832 if (*ptr != NULL && *ptr >= old_start && *ptr < old_start + len)
adamc@760 833 *ptr += new_start - old_start;
adamc@760 834 }
adamc@760 835
adamc@760 836 static void adjust_input(input *x, input *old_start, input *new_start, size_t len) {
adamc@759 837 switch (x->kind) {
adamc@759 838 case SUBFORM:
adamc@760 839 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760 840 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759 841 break;
adamc@759 842 case SUBFORMS:
adamc@760 843 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760 844 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759 845 break;
adamc@759 846 case ENTRY:
adamc@760 847 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760 848 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760 849 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134 850 break;
adamc@1134 851 default:
adamc@1134 852 break;
phurst@1981 853 }
adamc@759 854 }
adamc@759 855
adamc@1113 856 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113 857
adamc@759 858 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759 859 size_t i;
adamc@759 860 input *r;
adamc@759 861
adamc@759 862 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113 863 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113 864 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113 865
adamc@759 866 input *new_subinputs = realloc(ctx->subinputs, sizeof(input) * (ctx->used_subinputs + len));
adamc@759 867
adamc@760 868 if (ctx->subinputs != new_subinputs) {
adamc@760 869 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760 870 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094 871 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760 872 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 873
adamc@760 874 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 875
adamc@760 876 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760 877 ctx->subinputs = new_subinputs;
adamc@760 878 }
adamc@759 879 }
adamc@759 880
adamc@759 881 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759 882
adamc@759 883 for (i = 0; i < len; ++i)
adam@1474 884 ctx->subinputs[ctx->used_subinputs++].kind = UNSET;
adamc@759 885
adamc@759 886 return r;
adamc@759 887 }
adamc@756 888
adamc@801 889 int uw_set_input(uw_context ctx, const char *name, char *value) {
adamc@1050 890 //printf("Input name %s\n", name);
adamc@1038 891
adamc@756 892 if (!strcasecmp(name, ".b")) {
adamc@1094 893 int n = ctx->app->input_num(value);
adamc@756 894 input *inps;
adamc@756 895
adamc@801 896 if (n < 0) {
adam@1444 897 uw_set_error(ctx, "Bad subform name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 898 return -1;
adamc@801 899 }
adamc@801 900
adamc@1094 901 if (n >= ctx->app->inputs_len) {
adam@1444 902 uw_set_error(ctx, "For subform name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 903 return -1;
adamc@801 904 }
adamc@756 905
adamc@1094 906 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759 907
adamc@759 908 INP(ctx)[n].kind = SUBFORM;
adamc@759 909 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759 910 INP(ctx)[n].data.subform.fields = inps;
adamc@759 911 ctx->cur_container = &INP(ctx)[n];
adamc@756 912 } else if (!strcasecmp(name, ".e")) {
adamc@756 913 input *tmp;
adamc@756 914
adamc@801 915 if (ctx->cur_container == NULL) {
adamc@801 916 uw_set_error(ctx, "Unmatched subform closer");
adamc@801 917 return -1;
adamc@801 918 }
adamc@756 919
adamc@759 920 tmp = ctx->cur_container;
adamc@759 921 switch (tmp->kind) {
adamc@759 922 case SUBFORM:
adamc@759 923 ctx->cur_container = tmp->data.subform.parent;
adamc@759 924 tmp->data.subform.parent = NULL;
adamc@759 925 break;
adamc@759 926 case SUBFORMS:
adamc@759 927 ctx->cur_container = tmp->data.subforms.parent;
adamc@759 928 tmp->data.subforms.parent = NULL;
adamc@759 929 break;
adamc@759 930 case ENTRY:
adamc@759 931 ctx->cur_container = tmp->data.entry.parent;
adamc@759 932 break;
adamc@759 933 default:
adamc@801 934 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801 935 return -1;
adamc@759 936 }
adamc@759 937 } else if (!strcasecmp(name, ".s")) {
adamc@1094 938 int n = ctx->app->input_num(value);
adamc@759 939
adamc@801 940 if (n < 0) {
adam@1444 941 uw_set_error(ctx, "Bad subforms name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 942 return -1;
adamc@801 943 }
adamc@801 944
adamc@1094 945 if (n >= ctx->app->inputs_len) {
adam@1444 946 uw_set_error(ctx, "For subforms name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 947 return -1;
adamc@801 948 }
adamc@759 949
adamc@759 950 INP(ctx)[n].kind = SUBFORMS;
adamc@759 951 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 952 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759 953 ctx->cur_container = &INP(ctx)[n];
adamc@759 954 } else if (!strcasecmp(name, ".i")) {
adamc@759 955 input *inps;
adamc@759 956
adamc@801 957 if (!ctx->cur_container) {
adamc@801 958 uw_set_error(ctx, "New entry without container");
adamc@801 959 return -1;
adamc@801 960 }
adamc@801 961
adamc@801 962 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801 963 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801 964 return -1;
adamc@801 965 }
adamc@759 966
adamc@1094 967 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759 968
adamc@759 969 inps->kind = ENTRY;
adamc@759 970 inps->data.entry.parent = ctx->cur_container;
adamc@759 971 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759 972 ctx->cur_container->data.subforms.entries = inps;
adamc@759 973
adamc@759 974 inps->data.entry.fields = inps+1;
adamc@759 975 ctx->cur_container = inps;
adamc@756 976 } else {
adamc@1094 977 int n = ctx->app->input_num(name);
adamc@756 978
adam@1384 979 if (n < 0)
adam@1384 980 return 0;
adamc@801 981
adamc@1094 982 if (n >= ctx->app->inputs_len) {
adam@1444 983 uw_set_error(ctx, "For input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801 984 return -1;
adamc@801 985 }
adamc@756 986
adamc@756 987 INP(ctx)[n].kind = NORMAL;
adamc@756 988 INP(ctx)[n].data.normal = value;
adamc@756 989 }
adamc@801 990
adamc@801 991 return 0;
adamc@144 992 }
adamc@144 993
adamc@311 994 char *uw_get_input(uw_context ctx, int n) {
adamc@169 995 if (n < 0)
adamc@311 996 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 997 if (n >= ctx->app->inputs_len)
adamc@311 998 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 999
adamc@756 1000 switch (INP(ctx)[n].kind) {
adamc@737 1001 case UNSET:
adamc@737 1002 return NULL;
adamc@739 1003 case FIL:
adamc@739 1004 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 1005 case SUBFORM:
adamc@756 1006 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 1007 case SUBFORMS:
adamc@759 1008 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 1009 case ENTRY:
adamc@759 1010 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 1011 case NORMAL:
adamc@756 1012 return INP(ctx)[n].data.normal;
adamc@737 1013 default:
adamc@737 1014 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1015 }
adamc@138 1016 }
adamc@138 1017
adamc@311 1018 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 1019 if (n < 0)
adamc@311 1020 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 1021 if (n >= ctx->app->inputs_len)
adamc@311 1022 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 1023
adamc@756 1024 switch (INP(ctx)[n].kind) {
adamc@737 1025 case UNSET:
adamc@737 1026 return "";
adamc@739 1027 case FIL:
adamc@739 1028 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 1029 case SUBFORM:
adamc@756 1030 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 1031 case SUBFORMS:
adamc@759 1032 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 1033 case ENTRY:
adamc@759 1034 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 1035 case NORMAL:
adamc@756 1036 return INP(ctx)[n].data.normal;
adamc@737 1037 default:
adamc@737 1038 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1039 }
adamc@737 1040 }
adamc@737 1041
adamc@801 1042 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094 1043 int n = ctx->app->input_num(name);
adamc@737 1044
adamc@801 1045 if (n < 0) {
adam@1444 1046 uw_set_error(ctx, "Bad file input name %s", uw_Basis_htmlifyString(ctx, name));
adamc@801 1047 return -1;
adamc@801 1048 }
adamc@801 1049
adamc@1094 1050 if (n >= ctx->app->inputs_len) {
adam@1444 1051 uw_set_error(ctx, "For file input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801 1052 return -1;
adamc@801 1053 }
adamc@737 1054
adamc@739 1055 ctx->inputs[n].kind = FIL;
adamc@739 1056 ctx->inputs[n].data.file = f;
adamc@801 1057
adamc@801 1058 return 0;
adamc@737 1059 }
adamc@737 1060
adamc@739 1061 void *uw_malloc(uw_context ctx, size_t len);
adamc@739 1062
adamc@739 1063 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737 1064 if (n < 0)
adamc@737 1065 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094 1066 if (n >= ctx->app->inputs_len)
adamc@737 1067 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737 1068
adamc@756 1069 switch (INP(ctx)[n].kind) {
adamc@737 1070 case UNSET:
adamc@737 1071 {
adamc@739 1072 char *data = uw_malloc(ctx, 0);
adamc@740 1073 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739 1074 return f;
adamc@737 1075 }
adamc@739 1076 case FIL:
adamc@756 1077 return INP(ctx)[n].data.file;
adamc@737 1078 case NORMAL:
adamc@737 1079 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756 1080 case SUBFORM:
adamc@756 1081 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759 1082 case SUBFORMS:
adamc@759 1083 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759 1084 case ENTRY:
adamc@759 1085 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737 1086 default:
adamc@737 1087 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1088 }
adamc@190 1089 }
adamc@190 1090
adamc@756 1091 void uw_enter_subform(uw_context ctx, int n) {
adamc@756 1092 if (n < 0)
adamc@756 1093 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094 1094 if (n >= ctx->app->inputs_len)
adamc@756 1095 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756 1096
adamc@756 1097 switch (INP(ctx)[n].kind) {
adamc@756 1098 case UNSET:
adamc@756 1099 uw_error(ctx, FATAL, "Missing subform");
adamc@756 1100 case FIL:
adamc@756 1101 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756 1102 case NORMAL:
adamc@756 1103 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759 1104 case SUBFORMS:
adamc@759 1105 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759 1106 case ENTRY:
adamc@759 1107 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756 1108 case SUBFORM:
adamc@759 1109 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760 1110 ctx->cur_container = &INP(ctx)[n];
adamc@756 1111 return;
adamc@756 1112 default:
adamc@756 1113 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756 1114 }
adamc@756 1115 }
adamc@756 1116
adamc@756 1117 void uw_leave_subform(uw_context ctx) {
adamc@756 1118 input *tmp;
adamc@756 1119
adamc@759 1120 if (ctx->cur_container == NULL)
adamc@756 1121 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756 1122
adamc@759 1123 tmp = ctx->cur_container;
adamc@759 1124 ctx->cur_container = tmp->data.subform.parent;
adamc@759 1125 tmp->data.subform.parent = NULL;
adamc@759 1126 }
adamc@759 1127
adamc@759 1128 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759 1129 input *inps;
adamc@759 1130
adamc@759 1131 if (n < 0)
adamc@759 1132 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094 1133 if (n >= ctx->app->inputs_len)
adamc@759 1134 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759 1135
adamc@759 1136 switch (INP(ctx)[n].kind) {
adamc@759 1137 case UNSET:
adamc@759 1138 uw_error(ctx, FATAL, "Missing subforms");
adamc@759 1139 case FIL:
adamc@759 1140 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759 1141 case NORMAL:
adamc@759 1142 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759 1143 case SUBFORM:
adamc@759 1144 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759 1145 case ENTRY:
adamc@759 1146 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759 1147 case SUBFORMS:
adamc@759 1148 inps = INP(ctx)[n].data.subforms.entries;
adamc@759 1149 if (inps) {
adamc@759 1150 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 1151 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759 1152 return 1;
adamc@759 1153 } else
adamc@759 1154 return 0;
adamc@759 1155 default:
adamc@759 1156 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1157 }
adamc@759 1158 }
adamc@759 1159
adamc@759 1160 int uw_next_entry(uw_context ctx) {
adamc@759 1161 if (ctx->cur_container == NULL)
adamc@759 1162 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759 1163
adamc@759 1164 switch (ctx->cur_container->kind) {
adamc@759 1165 case UNSET:
adamc@759 1166 uw_error(ctx, FATAL, "Missing entry");
adamc@759 1167 case FIL:
adamc@759 1168 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759 1169 case NORMAL:
adamc@759 1170 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759 1171 case SUBFORM:
adamc@759 1172 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759 1173 case SUBFORMS:
adamc@759 1174 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759 1175 case ENTRY:
adamc@759 1176 if (ctx->cur_container->data.entry.next) {
adamc@759 1177 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759 1178 return 1;
adamc@759 1179 } else {
adamc@759 1180 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759 1181 return 0;
adamc@759 1182 }
adamc@759 1183 default:
adamc@759 1184 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1185 }
adamc@756 1186 }
adamc@756 1187
adamc@643 1188 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 1189 ctx->script_header = s;
adamc@643 1190 }
adamc@643 1191
adamc@1094 1192 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094 1193 return ctx->app->url_prefix;
adamc@667 1194 }
adamc@667 1195
adamc@693 1196 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693 1197 ctx->needs_push = n;
adamc@693 1198 }
adamc@693 1199
adamc@736 1200 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736 1201 ctx->needs_sig = n;
adamc@736 1202 }
adamc@736 1203
adam@1936 1204 void uw_set_could_write_db(uw_context ctx, int n) {
adam@1936 1205 ctx->could_write_db = n;
adam@1936 1206 }
adam@1936 1207
adamc@667 1208
adam@1369 1209 static void uw_buffer_check_ctx(uw_context ctx, const char *kind, uw_buffer *b, size_t extra, const char *desc) {
adamc@666 1210 if (b->back - b->front < extra) {
adamc@666 1211 size_t desired = b->front - b->start + extra, next;
adamc@136 1212 char *new_heap;
adamc@136 1213
adamc@666 1214 next = b->back - b->start;
adamc@317 1215 if (next == 0)
adamc@317 1216 next = 1;
adamc@317 1217 for (; next < desired; next *= 2);
adamc@136 1218
adamc@1134 1219 if (next > b->max) {
adamc@1113 1220 if (desired <= b->max)
adamc@1113 1221 next = desired;
adamc@1113 1222 else
adamc@1113 1223 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134 1224 }
adamc@1113 1225
adamc@666 1226 new_heap = realloc(b->start, next);
adamc@666 1227 b->front = new_heap + (b->front - b->start);
adamc@666 1228 b->back = new_heap + next;
adamc@136 1229
adamc@667 1230 if (new_heap != b->start) {
adamc@666 1231 b->start = new_heap;
adam@1389 1232 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously; increasing size to %llu", desc, (unsigned long long)next);
adamc@136 1233 }
adamc@136 1234
adamc@666 1235 b->start = new_heap;
adamc@136 1236 }
adamc@136 1237 }
adamc@136 1238
adamc@832 1239 void uw_check_heap(uw_context ctx, size_t extra) {
adam@1369 1240 uw_buffer_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666 1241 }
adamc@666 1242
adamc@832 1243 char *uw_heap_front(uw_context ctx) {
adamc@832 1244 return ctx->heap.front;
adamc@832 1245 }
adamc@832 1246
adamc@832 1247 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832 1248 ctx->heap.front = fr;
adamc@832 1249 }
adamc@832 1250
adam@1782 1251 void uw_begin_initializing(uw_context ctx) {
adam@1782 1252 ctx->amInitializing = 1;
adam@1782 1253 }
adam@1782 1254
adam@1782 1255 void uw_end_initializing(uw_context ctx) {
adam@1782 1256 ctx->amInitializing = 0;
adam@1782 1257 }
adam@1782 1258
adamc@311 1259 void *uw_malloc(uw_context ctx, size_t len) {
adamc@136 1260 void *result;
adamc@136 1261
adam@1782 1262 if (ctx->amInitializing) {
adam@1782 1263 result = malloc(len);
adam@1782 1264
adam@1782 1265 if (result)
adam@1782 1266 return result;
adam@1782 1267 else
adam@1782 1268 uw_error(ctx, FATAL, "uw_malloc: malloc() returns 0");
adam@1782 1269 } else {
adam@1782 1270 uw_check_heap(ctx, len);
adam@1782 1271
adam@1782 1272 result = ctx->heap.front;
adam@1782 1273 ctx->heap.front += len;
adam@1782 1274 return result;
adam@1782 1275 }
adamc@117 1276 }
adamc@117 1277
adamc@323 1278 void uw_begin_region(uw_context ctx) {
adamc@666 1279 regions *r = (regions *) ctx->heap.front;
adamc@323 1280
adamc@323 1281 uw_check_heap(ctx, sizeof(regions));
adamc@323 1282
adamc@666 1283 ctx->heap.front += sizeof(regions);
adamc@323 1284
adamc@323 1285 r->next = ctx->regions;
adamc@323 1286 ctx->regions = r;
adamc@323 1287 }
adamc@323 1288
adamc@323 1289 void uw_end_region(uw_context ctx) {
adamc@323 1290 regions *r = ctx->regions;
adamc@323 1291
adamc@323 1292 if (r == NULL)
adamc@323 1293 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 1294
adamc@666 1295 ctx->heap.front = (char *) r;
adamc@323 1296 ctx->regions = r->next;
adamc@323 1297 }
adamc@323 1298
adamc@324 1299 void uw_memstats(uw_context ctx) {
adam@1369 1300 printf("Headers: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->outHeaders), (unsigned long)uw_buffer_avail(&ctx->outHeaders));
adam@1369 1301 printf("Script: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->script), (unsigned long)uw_buffer_avail(&ctx->script));
adam@1369 1302 printf("Page: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->page), (unsigned long)uw_buffer_avail(&ctx->page));
adam@1369 1303 printf("Heap: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->heap), (unsigned long)uw_buffer_avail(&ctx->heap));
adamc@324 1304 }
adamc@324 1305
adam@1915 1306 int uw_pagelen(uw_context ctx) {
adam@1915 1307 return ctx->page.front - ctx->page.start;
adam@1915 1308 }
adam@1915 1309
adamc@311 1310 int uw_send(uw_context ctx, int sock) {
adam@1949 1311 size_t target_length = (ctx->outHeaders.front - ctx->outHeaders.start) + 2 + (ctx->page.front - ctx->page.start);
adam@1949 1312
adam@1949 1313 if (ctx->output_buffer_size < target_length) {
adam@1949 1314 do {
adam@1949 1315 ctx->output_buffer_size *= 2;
adam@1949 1316 } while (ctx->output_buffer_size < target_length);
adam@1949 1317 ctx->output_buffer = realloc(ctx->output_buffer, ctx->output_buffer_size);
adam@1949 1318 }
adam@1949 1319
adam@1949 1320 memcpy(ctx->output_buffer, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adam@1949 1321 memcpy(ctx->output_buffer + (ctx->outHeaders.front - ctx->outHeaders.start), "\r\n", 2);
adam@1949 1322 memcpy(ctx->output_buffer + (ctx->outHeaders.front - ctx->outHeaders.start) + 2, ctx->page.start, ctx->page.front - ctx->page.start);
adam@1949 1323
adam@1949 1324 return uw_really_send(sock, ctx->output_buffer, target_length);
adamc@462 1325 }
adamc@462 1326
adamc@856 1327 int uw_print(uw_context ctx, int fd) {
adamc@856 1328 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856 1329
adamc@856 1330 if (n < 0)
adamc@856 1331 return n;
adamc@856 1332
adamc@856 1333 n = uw_really_write(fd, "\r\n", 2);
adamc@856 1334
adamc@856 1335 if (n < 0)
adamc@856 1336 return n;
adamc@856 1337
adamc@856 1338 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856 1339 }
adamc@856 1340
adamc@860 1341 int uw_output(uw_context ctx, int (*output)(void *data, char *buf, size_t len), void *data) {
adamc@860 1342 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860 1343
adamc@860 1344 if (n < 0)
adamc@860 1345 return n;
adamc@860 1346
adamc@860 1347 n = output(data, "\r\n", 2);
adamc@860 1348
adamc@860 1349 if (n < 0)
adamc@860 1350 return n;
adamc@860 1351
adamc@860 1352 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860 1353 }
adamc@860 1354
adamc@462 1355 static void uw_check_headers(uw_context ctx, size_t extra) {
adam@1369 1356 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462 1357 }
adamc@462 1358
adamc@462 1359 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 1360 int len = strlen(s);
adamc@462 1361
adamc@462 1362 uw_check_headers(ctx, len + 1);
adamc@666 1363 strcpy(ctx->outHeaders.front, s);
adamc@666 1364 ctx->outHeaders.front += len;
adamc@562 1365 }
adamc@562 1366
adam@1934 1367 int uw_has_contentLength(uw_context ctx) {
adam@1934 1368 return strstr(ctx->outHeaders.start, "Content-length: ") != NULL;
adam@1934 1369 }
adam@1934 1370
adamc@1110 1371 void uw_clear_headers(uw_context ctx) {
adam@1369 1372 uw_buffer_reset(&ctx->outHeaders);
adamc@1110 1373 }
adamc@1110 1374
adam@1932 1375 void uw_Basis_clear_page(uw_context ctx) {
adam@1932 1376 uw_buffer_reset(&ctx->page);
adam@1932 1377 }
adam@1932 1378
adamc@562 1379 static void uw_check_script(uw_context ctx, size_t extra) {
adam@1369 1380 ctx_uw_buffer_check(ctx, "script", &ctx->script, extra);
adamc@562 1381 }
adamc@562 1382
adamc@562 1383 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 1384 int len = strlen(s);
adamc@562 1385
adamc@562 1386 uw_check_script(ctx, len + 1);
adamc@666 1387 strcpy(ctx->script.front, s);
adamc@666 1388 ctx->script.front += len;
adamc@562 1389 }
adamc@562 1390
adam@1446 1391 const char *uw_get_real_script(uw_context ctx) {
adam@1671 1392 if (strstr(ctx->outHeaders.start, "Set-Cookie: ")) {
adam@1671 1393 uw_write_script(ctx, "sig=\"");
adam@1671 1394 uw_write_script(ctx, ctx->app->cookie_sig(ctx));
adam@1671 1395 uw_write_script(ctx, "\";");
adam@1671 1396 }
adam@1671 1397
adam@1446 1398 return ctx->script.start;
adam@1446 1399 }
adam@1446 1400
adamc@695 1401 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695 1402 if (s[0] == 0)
adamc@695 1403 return "";
adamc@695 1404 else {
adamc@695 1405 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695 1406 sprintf(r, " onload='%s'", s);
adamc@695 1407 return r;
adamc@695 1408 }
adamc@695 1409 }
adamc@695 1410
adamc@1042 1411 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042 1412 if (ctx->script_header[0] == 0)
adamc@1042 1413 return "";
adamc@1042 1414 else {
vshabanoff@1763 1415 char *r = uw_malloc(ctx, 37 + strlen(s));
vshabanoff@1763 1416 sprintf(r, " onunload='unloading=true;%s;unload()'", s);
adamc@1042 1417 return r;
adamc@1042 1418 }
adamc@1042 1419 }
adamc@1042 1420
adamc@694 1421 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736 1422 if (ctx->client == NULL) {
adamc@736 1423 if (ctx->needs_sig) {
adamc@1094 1424 char *sig = ctx->app->cookie_sig(ctx);
adamc@736 1425 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736 1426 sprintf(r, "sig=\"%s\";", sig);
adamc@736 1427 return r;
adamc@736 1428 }
adamc@736 1429 else
adamc@736 1430 return "";
adamc@736 1431 } else {
adamc@1094 1432 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094 1433 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736 1434 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adam@1552 1435 sprintf(r, "isPost=%s;client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adam@1552 1436 (ctx->isPost ? "true" : "false"),
adamc@682 1437 ctx->client->id,
adamc@682 1438 ctx->client->pass,
adamc@1094 1439 ctx->app->url_prefix,
adamc@1094 1440 ctx->app->timeout,
adamc@736 1441 ctx->needs_sig ? "sig=\"" : "",
adamc@736 1442 sig,
adamc@736 1443 ctx->needs_sig ? "\";" : "");
adamc@679 1444 return r;
adamc@668 1445 }
adamc@667 1446 }
adamc@667 1447
adamc@574 1448 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 1449 char *r, *s2;
adamc@574 1450
adam@1446 1451 uw_check_heap(ctx, strlen(s) * 4 + 3);
adamc@574 1452
adamc@666 1453 r = s2 = ctx->heap.front;
adamc@574 1454 *s2++ = '"';
adamc@574 1455
adamc@574 1456 for (; *s; s++) {
adam@1286 1457 unsigned char c = *s;
adamc@574 1458
adamc@574 1459 switch (c) {
adamc@574 1460 case '"':
adamc@574 1461 strcpy(s2, "\\\"");
adamc@574 1462 s2 += 2;
adamc@574 1463 break;
adamc@1027 1464 case '\'':
adamc@1027 1465 strcpy(s2, "\\047");
adamc@1027 1466 s2 += 4;
adamc@1027 1467 break;
adamc@574 1468 case '\\':
adamc@574 1469 strcpy(s2, "\\\\");
adamc@574 1470 s2 += 2;
adamc@574 1471 break;
adam@1457 1472 case '<':
adam@1457 1473 strcpy(s2, "\\074");
adam@1457 1474 s2 += 4;
adam@1457 1475 break;
adamc@574 1476 default:
adam@1286 1477 if (isprint((int)c) || c >= 128)
adamc@574 1478 *s2++ = c;
adamc@574 1479 else {
adam@1429 1480 sprintf(s2, "\\%03o", c);
adamc@574 1481 s2 += 4;
adamc@574 1482 }
adamc@574 1483 }
adamc@574 1484 }
adamc@574 1485
adamc@574 1486 strcpy(s2, "\"");
adamc@910 1487 ctx->heap.front = s2 + 2;
adamc@574 1488 return r;
adamc@574 1489 }
adamc@574 1490
adam@1286 1491 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286 1492 unsigned char c = c1;
adamc@1025 1493 char *r, *s2;
adamc@1025 1494
adam@1446 1495 uw_check_heap(ctx, 7);
adamc@1025 1496
adamc@1025 1497 r = s2 = ctx->heap.front;
adamc@1025 1498 *s2++ = '"';
adamc@1025 1499
adamc@1025 1500 switch (c) {
adamc@1025 1501 case '"':
adamc@1025 1502 strcpy(s2, "\\\"");
adamc@1025 1503 s2 += 2;
adamc@1025 1504 break;
adamc@1027 1505 case '\'':
adamc@1027 1506 strcpy(s2, "\\047");
adamc@1027 1507 s2 += 4;
adamc@1027 1508 break;
adamc@1025 1509 case '\\':
adamc@1025 1510 strcpy(s2, "\\\\");
adamc@1025 1511 s2 += 2;
adamc@1025 1512 break;
adam@1457 1513 case '<':
adam@1457 1514 strcpy(s2, "\\074");
adam@1457 1515 s2 += 4;
adam@1457 1516 break;
adamc@1025 1517 default:
adam@1286 1518 if (isprint((int)c) || c >= 128)
adamc@1025 1519 *s2++ = c;
adamc@1025 1520 else {
adam@1429 1521 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1025 1522 s2 += 4;
adamc@1025 1523 }
adamc@1025 1524 }
adamc@1025 1525
adamc@1025 1526 strcpy(s2, "\"");
adamc@1025 1527 ctx->heap.front = s2 + 2;
adamc@1025 1528 return r;
adamc@1025 1529 }
adamc@1025 1530
adamc@574 1531 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 1532 char *r, *s2;
adamc@574 1533
adam@1446 1534 uw_check_script(ctx, strlen(s) * 4 + 3);
adamc@574 1535
adamc@666 1536 r = s2 = ctx->script.front;
adamc@574 1537 *s2++ = '"';
adamc@574 1538
adamc@574 1539 for (; *s; s++) {
adam@1286 1540 unsigned char c = *s;
adamc@574 1541
adamc@574 1542 switch (c) {
adamc@577 1543 case '\'':
adamc@1027 1544 strcpy(s2, "\\");
adamc@574 1545 s2 += 2;
adamc@574 1546 break;
adamc@574 1547 case '\\':
adamc@574 1548 strcpy(s2, "\\\\");
adamc@574 1549 s2 += 2;
adamc@574 1550 break;
adam@1457 1551 case '<':
adam@1457 1552 strcpy(s2, "\\074");
adam@1457 1553 s2 += 4;
adam@1457 1554 break;
adamc@574 1555 default:
adam@1286 1556 if (isprint((int)c) || c >= 128)
adamc@574 1557 *s2++ = c;
adamc@574 1558 else {
adam@1429 1559 sprintf(s2, "\\%03o", c);
adamc@574 1560 s2 += 4;
adamc@574 1561 }
adamc@574 1562 }
adamc@574 1563 }
adamc@574 1564
adamc@574 1565 strcpy(s2, "\"");
adamc@666 1566 ctx->script.front = s2 + 1;
adamc@574 1567 return r;
adamc@574 1568 }
adamc@574 1569
adamc@682 1570 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1571 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1572 return "null";
adamc@682 1573 else {
adamc@682 1574 int len;
adamc@682 1575 char *r;
adamc@682 1576
adamc@682 1577 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1578 r = ctx->heap.front;
adamc@682 1579 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1580 ctx->heap.front += len+1;
adamc@682 1581 return r;
adamc@682 1582 }
adamc@682 1583 }
adamc@682 1584
adam@1446 1585 uw_Basis_source uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 1586 int len;
adamc@577 1587 size_t s_len = strlen(s);
adamc@562 1588
grrwlf@1998 1589 if(ctx->id < 0)
grrwlf@1998 1590 uw_error(ctx, FATAL, "Attempt to create client source using inappropriate context");
grrwlf@1998 1591
adam@1446 1592 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1593 sprintf(ctx->script.front, "s%d_%llu=sc(exec(%n", ctx->id, ctx->source_count, &len);
adamc@666 1594 ctx->script.front += len;
adamc@666 1595 strcpy(ctx->script.front, s);
adamc@666 1596 ctx->script.front += s_len;
adamc@970 1597 strcpy(ctx->script.front, "));");
adamc@972 1598 ctx->script.front += 3;
adamc@562 1599
adam@1446 1600 uw_Basis_source r = {ctx->id, ctx->source_count++};
adam@1446 1601 return r;
adam@1446 1602 }
adam@1446 1603
adam@1446 1604 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_source src, uw_Basis_string s) {
adamc@577 1605 int len;
adamc@577 1606 size_t s_len = strlen(s);
adamc@577 1607
adam@1446 1608 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1609 sprintf(ctx->script.front, "sv(s%d_%llu,exec(%n", src.context, src.source, &len);
adamc@666 1610 ctx->script.front += len;
adamc@666 1611 strcpy(ctx->script.front, s);
adamc@666 1612 ctx->script.front += s_len;
adamc@970 1613 strcpy(ctx->script.front, "));");
adamc@972 1614 ctx->script.front += 3;
adamc@577 1615
adamc@577 1616 return uw_unit_v;
adamc@577 1617 }
adamc@577 1618
adamc@311 1619 static void uw_check(uw_context ctx, size_t extra) {
adam@1369 1620 ctx_uw_buffer_check(ctx, "page", &ctx->page, extra);
adamc@117 1621 }
adamc@117 1622
adamc@311 1623 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 1624 *(ctx->page.front)++ = c;
adam@1413 1625 *ctx->page.front = 0;
adamc@117 1626 }
adamc@117 1627
adamc@311 1628 void uw_writec(uw_context ctx, char c) {
adam@1413 1629 uw_check(ctx, 2);
adamc@311 1630 uw_writec_unsafe(ctx, c);
adamc@117 1631 }
adamc@117 1632
adamc@311 1633 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 1634 int len = strlen(s);
adamc@666 1635 memcpy(ctx->page.front, s, len);
adamc@666 1636 ctx->page.front += len;
adamc@117 1637 }
adamc@117 1638
adamc@311 1639 void uw_write(uw_context ctx, const char* s) {
adamc@311 1640 uw_check(ctx, strlen(s) + 1);
adamc@311 1641 uw_write_unsafe(ctx, s);
adamc@666 1642 *ctx->page.front = 0;
adamc@102 1643 }
adamc@106 1644
adamc@311 1645 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 1646 char *result;
adamc@136 1647 int len;
adamc@311 1648 uw_check_heap(ctx, INTS_MAX);
adamc@666 1649 result = ctx->heap.front;
adamc@276 1650 sprintf(result, "%lld%n", n, &len);
adamc@666 1651 ctx->heap.front += len+1;
adamc@136 1652 return result;
adamc@106 1653 }
adamc@106 1654
adamc@311 1655 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 1656 char *result;
adamc@136 1657 int len;
adamc@311 1658 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1659 result = ctx->heap.front;
adam@1920 1660 sprintf(result, "%.16g%n", n, &len);
adamc@666 1661 ctx->heap.front += len+1;
adamc@136 1662 return result;
adamc@106 1663 }
adamc@106 1664
adamc@311 1665 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 1666 int len = strlen(s);
adamc@136 1667 char *result, *p;
adamc@311 1668 uw_check_heap(ctx, len * 6 + 1);
adamc@136 1669
adamc@666 1670 result = p = ctx->heap.front;
adamc@136 1671
adamc@136 1672 for (; *s; s++) {
adamc@1054 1673 unsigned char c = *s;
adamc@136 1674
adamc@136 1675 if (c == '"') {
adamc@136 1676 strcpy(p, "&quot;");
adamc@136 1677 p += 6;
adamc@136 1678 } else if (c == '&') {
adamc@136 1679 strcpy(p, "&amp;");
adamc@136 1680 p += 5;
adamc@136 1681 }
adamc@1059 1682 else
adamc@136 1683 *p++ = c;
adamc@136 1684 }
adamc@136 1685
adamc@137 1686 *p++ = 0;
adamc@666 1687 ctx->heap.front = p;
adamc@136 1688 return result;
adamc@106 1689 }
adamc@106 1690
adamc@1011 1691 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 1692 char *result, *p;
adamc@1011 1693 uw_check_heap(ctx, 7);
adamc@1011 1694
adamc@1011 1695 result = p = ctx->heap.front;
adamc@1011 1696
adamc@1011 1697 if (c == '"') {
adamc@1011 1698 strcpy(p, "&quot;");
adamc@1011 1699 p += 6;
adamc@1011 1700 } else if (c == '&') {
adamc@1011 1701 strcpy(p, "&amp;");
adamc@1011 1702 p += 5;
adamc@1011 1703 }
adamc@1059 1704 else
adamc@1011 1705 *p++ = c;
adamc@1011 1706
adamc@1011 1707 *p++ = 0;
adamc@1011 1708 ctx->heap.front = p;
adamc@1011 1709 return result;
adamc@1011 1710 }
adamc@1011 1711
adamc@721 1712 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721 1713 return s;
adamc@721 1714 }
adamc@721 1715
adamc@311 1716 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 1717 int len;
adamc@117 1718
adamc@666 1719 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1720 ctx->page.front += len;
adamc@106 1721 }
adamc@106 1722
adamc@428 1723 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1724 uw_check(ctx, INTS_MAX);
adamc@311 1725 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 1726
adamc@428 1727 return uw_unit_v;
adamc@106 1728 }
adamc@106 1729
adamc@428 1730 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 1731 int len;
adamc@117 1732
adamc@311 1733 uw_check(ctx, FLOATS_MAX);
adamc@666 1734 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1735 ctx->page.front += len;
adamc@428 1736
adamc@428 1737 return uw_unit_v;
adamc@117 1738 }
adamc@117 1739
adamc@428 1740 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1741 uw_check(ctx, strlen(s) * 6);
adamc@117 1742
adamc@106 1743 for (; *s; s++) {
adamc@1054 1744 unsigned char c = *s;
adamc@106 1745
adamc@106 1746 if (c == '"')
adamc@311 1747 uw_write_unsafe(ctx, "&quot;");
adamc@136 1748 else if (c == '&')
adamc@311 1749 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1750 else
adamc@311 1751 uw_writec_unsafe(ctx, c);
adamc@106 1752 }
adamc@428 1753
adamc@428 1754 return uw_unit_v;
adamc@106 1755 }
adamc@120 1756
adamc@1011 1757 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011 1758 uw_check(ctx, 6);
adamc@1011 1759
adamc@1011 1760 if (c == '"')
adamc@1011 1761 uw_write_unsafe(ctx, "&quot;");
adamc@1011 1762 else if (c == '&')
adamc@1011 1763 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1764 else
adamc@1011 1765 uw_writec_unsafe(ctx, c);
adamc@1011 1766
adamc@1011 1767 return uw_unit_v;
adamc@1011 1768 }
adamc@1011 1769
adamc@120 1770
adamc@311 1771 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 1772 int len;
adamc@137 1773 char *r;
adamc@137 1774
adamc@311 1775 uw_check_heap(ctx, INTS_MAX);
adamc@666 1776 r = ctx->heap.front;
adamc@276 1777 sprintf(r, "%lld%n", n, &len);
adamc@666 1778 ctx->heap.front += len+1;
adamc@137 1779 return r;
adamc@120 1780 }
adamc@120 1781
adamc@682 1782 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1783 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1784 return "";
adamc@682 1785 else {
adamc@682 1786 int len;
adamc@682 1787 char *r;
adamc@679 1788
adamc@682 1789 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1790 r = ctx->heap.front;
adamc@682 1791 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1792 ctx->heap.front += len+1;
adamc@682 1793 return r;
adamc@682 1794 }
adamc@679 1795 }
adamc@679 1796
adamc@311 1797 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 1798 int len;
adamc@137 1799 char *r;
adamc@137 1800
adamc@311 1801 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1802 r = ctx->heap.front;
adamc@137 1803 sprintf(r, "%g%n", n, &len);
adamc@666 1804 ctx->heap.front += len+1;
adamc@137 1805 return r;
adamc@120 1806 }
adamc@120 1807
adamc@311 1808 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1809 char *r, *p;
adamc@137 1810
adamc@925 1811 if (s[0] == '\0')
adamc@925 1812 return "_";
adamc@925 1813
adamc@925 1814 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925 1815
adamc@925 1816 r = p = ctx->heap.front;
adamc@925 1817 if (s[0] == '_')
adamc@925 1818 *p++ = '_';
adamc@925 1819
adamc@925 1820 for (; *s; s++) {
adamc@1087 1821 unsigned char c = *s;
adamc@137 1822
adamc@137 1823 if (c == ' ')
adamc@137 1824 *p++ = '+';
adamc@137 1825 else if (isalnum(c))
adamc@137 1826 *p++ = c;
adamc@137 1827 else {
adamc@1259 1828 sprintf(p, ".%02X", c);
adamc@137 1829 p += 3;
adamc@137 1830 }
adamc@137 1831 }
adamc@137 1832
adamc@137 1833 *p++ = 0;
adamc@666 1834 ctx->heap.front = p;
adamc@137 1835 return r;
adamc@120 1836 }
adamc@120 1837
adamc@311 1838 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1839 if (b == uw_Basis_False)
adamc@186 1840 return "0";
adamc@186 1841 else
adamc@186 1842 return "1";
adamc@186 1843 }
adamc@186 1844
adam@1620 1845 char *uw_Basis_urlifySource(uw_context ctx, uw_Basis_source src) {
adam@1620 1846 char *r;
adam@1620 1847 int len;
adam@1620 1848 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1620 1849 r = ctx->heap.front;
adam@1620 1850 sprintf(r, "%d/%llu%n", src.context, src.source, &len);
adam@1620 1851 ctx->heap.front += len+1;
adam@1620 1852 return r;
adam@1620 1853 }
adam@1620 1854
adamc@311 1855 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1856 int len;
adamc@120 1857
adamc@666 1858 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1859 ctx->page.front += len;
adamc@120 1860 }
adamc@120 1861
adamc@428 1862 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1863 uw_check(ctx, INTS_MAX);
adamc@311 1864 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1865
adamc@428 1866 return uw_unit_v;
adamc@120 1867 }
adamc@120 1868
adamc@682 1869 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1870 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1871 int len;
phurst@1981 1872
adamc@682 1873 uw_check(ctx, INTS_MAX + 1);
adamc@682 1874 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1875 ctx->page.front += len;
adamc@682 1876 }
phurst@1981 1877
adamc@679 1878 return uw_unit_v;
adamc@679 1879 }
adamc@679 1880
adamc@428 1881 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1882 int len;
adamc@120 1883
adamc@311 1884 uw_check(ctx, FLOATS_MAX);
adamc@666 1885 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1886 ctx->page.front += len;
adamc@428 1887
adamc@428 1888 return uw_unit_v;
adamc@120 1889 }
adamc@120 1890
adamc@488 1891 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@1376 1892 return uw_Basis_urlifyInt(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adamc@488 1893 }
adamc@488 1894
adam@1404 1895 uw_unit uw_Basis_urlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1404 1896 return uw_Basis_urlifyInt_w(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adam@1404 1897 }
adam@1404 1898
adamc@428 1899 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925 1900 if (s[0] == '\0') {
adamc@925 1901 uw_check(ctx, 1);
adamc@925 1902 uw_writec_unsafe(ctx, '_');
adamc@925 1903 return uw_unit_v;
adamc@925 1904 }
adamc@925 1905
adamc@925 1906 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925 1907
adamc@925 1908 if (s[0] == '_')
adamc@925 1909 uw_writec_unsafe(ctx, '_');
adamc@120 1910
adamc@120 1911 for (; *s; s++) {
adamc@1087 1912 unsigned char c = *s;
adamc@120 1913
adamc@120 1914 if (c == ' ')
adamc@311 1915 uw_writec_unsafe(ctx, '+');
adamc@120 1916 else if (isalnum(c))
adamc@311 1917 uw_writec_unsafe(ctx, c);
adamc@120 1918 else {
adamc@1259 1919 sprintf(ctx->page.front, ".%02X", c);
adamc@666 1920 ctx->page.front += 3;
adamc@120 1921 }
adamc@120 1922 }
adamc@428 1923
adamc@428 1924 return uw_unit_v;
adamc@120 1925 }
adamc@120 1926
adamc@428 1927 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1928 if (b == uw_Basis_False)
adamc@311 1929 uw_writec(ctx, '0');
adamc@186 1930 else
adamc@311 1931 uw_writec(ctx, '1');
adamc@428 1932
adamc@428 1933 return uw_unit_v;
adamc@186 1934 }
adamc@186 1935
adam@1620 1936 uw_unit uw_Basis_urlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1620 1937 int len;
phurst@1981 1938
adam@1620 1939 uw_check(ctx, 2 * INTS_MAX + 2);
adam@1620 1940 sprintf(ctx->page.front, "%d/%llu%n", src.context, src.source, &len);
adam@1620 1941 ctx->page.front += len;
phurst@1981 1942
adam@1620 1943 return uw_unit_v;
adam@1620 1944 }
adam@1620 1945
adamc@120 1946
adamc@311 1947 static char *uw_unurlify_advance(char *s) {
adamc@144 1948 char *new_s = strchr(s, '/');
adamc@120 1949
adamc@120 1950 if (new_s)
adamc@120 1951 *new_s++ = 0;
adamc@120 1952 else
adamc@144 1953 new_s = strchr(s, 0);
adamc@144 1954
adamc@144 1955 return new_s;
adamc@144 1956 }
adamc@144 1957
adamc@311 1958 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 1959 char *new_s = uw_unurlify_advance(*s);
adamc@311 1960 uw_Basis_int r;
adamc@120 1961
adamc@276 1962 r = atoll(*s);
adamc@120 1963 *s = new_s;
adamc@120 1964 return r;
adamc@120 1965 }
adamc@120 1966
adamc@311 1967 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 1968 char *new_s = uw_unurlify_advance(*s);
adamc@311 1969 uw_Basis_float r;
adamc@120 1970
adamc@120 1971 r = atof(*s);
adamc@120 1972 *s = new_s;
adamc@120 1973 return r;
adamc@120 1974 }
adamc@120 1975
adamc@488 1976 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adam@1365 1977 uw_Basis_int n = uw_Basis_unurlifyInt(ctx, s);
adam@1365 1978 uw_Basis_time r = {n / 1000000, n % 1000000};
adam@1365 1979 return r;
adamc@488 1980 }
adamc@488 1981
adamc@1023 1982 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char *r, char *s) {
adamc@927 1983 char *s1, *s2 = s;
adamc@144 1984 int n;
adamc@136 1985
adamc@1023 1986 if (!fromClient) {
adamc@1023 1987 if (*s2 == '_')
adamc@1023 1988 ++s2;
adamc@1259 1989 else if ((s2[0] == '%' || s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@1023 1990 s2 += 3;
adamc@1023 1991 }
adamc@925 1992
adamc@927 1993 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087 1994 unsigned char c = *s2;
adamc@136 1995
adamc@136 1996 switch (c) {
adamc@136 1997 case '+':
adamc@136 1998 *s1 = ' ';
adamc@136 1999 break;
adamc@136 2000 case '%':
adamc@169 2001 if (s2[1] == 0)
adamc@311 2002 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 2003 if (s2[2] == 0)
adamc@311 2004 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 2005 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 2006 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@136 2007 *s1 = n;
adamc@136 2008 s2 += 2;
adamc@136 2009 break;
adamc@1259 2010 case '.':
adamc@1259 2011 if (!fromClient) {
adamc@1259 2012 if (s2[1] == 0)
adamc@1259 2013 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259 2014 if (s2[2] == 0)
adamc@1259 2015 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259 2016 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 2017 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@1259 2018 *s1 = n;
adamc@1259 2019 s2 += 2;
adamc@1259 2020 break;
adamc@1259 2021 }
adamc@136 2022 default:
adamc@136 2023 *s1 = c;
adamc@136 2024 }
adamc@136 2025 }
adamc@136 2026 *s1++ = 0;
adamc@144 2027 return s1;
adamc@144 2028 }
adamc@144 2029
adamc@311 2030 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 2031 char *new_s = uw_unurlify_advance(*s);
adamc@311 2032 uw_Basis_bool r;
phurst@1981 2033
adamc@186 2034 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 2035 r = uw_Basis_False;
adamc@186 2036 else
adamc@311 2037 r = uw_Basis_True;
adamc@186 2038
adamc@186 2039 *s = new_s;
adamc@186 2040 return r;
adamc@186 2041 }
adamc@186 2042
adamc@311 2043 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 2044 char *new_s = uw_unurlify_advance(*s);
adamc@1134 2045 char *r;
adamc@1134 2046 int len;
adamc@144 2047
adamc@200 2048 len = strlen(*s);
adamc@311 2049 uw_check_heap(ctx, len + 1);
adamc@144 2050
adamc@666 2051 r = ctx->heap.front;
adamc@1023 2052 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023 2053 *s = new_s;
adamc@1023 2054 return r;
adamc@1023 2055 }
adamc@1023 2056
adamc@1109 2057 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109 2058 *s = uw_unurlify_advance(*s);
adamc@1109 2059 return uw_unit_v;
adamc@1109 2060 }
adamc@1109 2061
adamc@1023 2062 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023 2063 char *new_s = uw_unurlify_advance(*s);
adamc@1134 2064 char *r;
adamc@1134 2065 int len;
adamc@1023 2066
adamc@1023 2067 len = strlen(*s);
adamc@1023 2068 uw_check_heap(ctx, len + 1);
adamc@1023 2069
adamc@1023 2070 r = ctx->heap.front;
adamc@1023 2071 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136 2072 *s = new_s;
adamc@136 2073 return r;
adamc@120 2074 }
adamc@135 2075
adamc@135 2076
adamc@311 2077 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 2078 int len;
adamc@286 2079 char *r;
adamc@286 2080
adamc@311 2081 uw_check_heap(ctx, INTS_MAX);
adamc@666 2082 r = ctx->heap.front;
adamc@286 2083 sprintf(r, "%lld%n", n, &len);
adamc@666 2084 ctx->heap.front += len+1;
adamc@286 2085 return r;
adamc@286 2086 }
adamc@286 2087
adamc@428 2088 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 2089 int len;
adamc@286 2090
adamc@311 2091 uw_check(ctx, INTS_MAX);
adamc@666 2092 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 2093 ctx->page.front += len;
phurst@1981 2094
adamc@428 2095 return uw_unit_v;
adamc@286 2096 }
adamc@286 2097
adam@1358 2098 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358 2099 unsigned int n = ch;
adam@1358 2100 int len;
adam@1358 2101 char *r;
adam@1358 2102
adam@1358 2103 uw_check_heap(ctx, INTS_MAX+3);
adam@1358 2104 r = ctx->heap.front;
adam@1358 2105 sprintf(r, "&#%u;%n", n, &len);
adam@1358 2106 ctx->heap.front += len+1;
adam@1358 2107 return r;
adam@1358 2108 }
adam@1358 2109
adam@1358 2110 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358 2111 unsigned int n = ch;
adam@1358 2112 int len;
adam@1358 2113
adam@1358 2114 uw_check(ctx, INTS_MAX+3);
adam@1358 2115 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358 2116 ctx->page.front += len;
adam@1358 2117 return uw_unit_v;
adam@1358 2118 }
adam@1358 2119
adamc@311 2120 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 2121 int len;
adamc@286 2122 char *r;
adamc@286 2123
adamc@311 2124 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2125 r = ctx->heap.front;
adamc@286 2126 sprintf(r, "%g%n", n, &len);
adamc@666 2127 ctx->heap.front += len+1;
adamc@286 2128 return r;
adamc@286 2129 }
adamc@286 2130
adamc@428 2131 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 2132 int len;
adamc@286 2133
adamc@311 2134 uw_check(ctx, FLOATS_MAX);
adamc@666 2135 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 2136 ctx->page.front += len;
adamc@428 2137
adamc@428 2138 return uw_unit_v;
adamc@286 2139 }
adamc@286 2140
adam@1365 2141 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time t) {
adam@1360 2142 int len;
adam@1360 2143 char *r;
adam@1360 2144
adam@1360 2145 uw_check_heap(ctx, INTS_MAX);
adam@1360 2146 r = ctx->heap.front;
adamc@1377 2147 sprintf(r, "%lld%n", (uw_Basis_int)t.seconds * 1000000 + t.microseconds, &len);
adam@1360 2148 ctx->heap.front += len+1;
adam@1360 2149 return r;
adam@1360 2150 }
adam@1360 2151
adam@1365 2152 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_int n) {
adam@1360 2153 int len;
adam@1360 2154
adam@1360 2155 uw_check(ctx, INTS_MAX);
adam@1360 2156 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360 2157 ctx->page.front += len;
phurst@1981 2158
adam@1360 2159 return uw_unit_v;
adam@1360 2160 }
adam@1360 2161
adam@1444 2162 char *uw_Basis_htmlifyString(uw_context ctx, const char *s) {
adamc@137 2163 char *r, *s2;
adamc@137 2164
adamc@311 2165 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 2166
adamc@666 2167 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054 2168 unsigned char c = *s;
adamc@137 2169
adamc@137 2170 switch (c) {
adamc@137 2171 case '<':
adamc@137 2172 strcpy(s2, "&lt;");
adamc@137 2173 s2 += 4;
adamc@137 2174 break;
adamc@137 2175 case '&':
adamc@137 2176 strcpy(s2, "&amp;");
adamc@137 2177 s2 += 5;
adamc@137 2178 break;
adamc@137 2179 default:
adamc@1059 2180 *s2++ = c;
adamc@137 2181 }
adamc@137 2182 }
adamc@137 2183
adamc@137 2184 *s2++ = 0;
adamc@666 2185 ctx->heap.front = s2;
adamc@137 2186 return r;
adamc@135 2187 }
adamc@135 2188
adamc@428 2189 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 2190 uw_check(ctx, strlen(s) * 6);
adamc@135 2191
adamc@135 2192 for (; *s; s++) {
adamc@1054 2193 unsigned char c = *s;
adamc@135 2194
adamc@135 2195 switch (c) {
adamc@135 2196 case '<':
adamc@311 2197 uw_write_unsafe(ctx, "&lt;");
adamc@135 2198 break;
adamc@135 2199 case '&':
adamc@311 2200 uw_write_unsafe(ctx, "&amp;");
adamc@135 2201 break;
adamc@135 2202 default:
adamc@1059 2203 uw_writec_unsafe(ctx, c);
adamc@135 2204 }
adamc@135 2205 }
adamc@428 2206
adamc@428 2207 return uw_unit_v;
adamc@135 2208 }
adamc@180 2209
adamc@311 2210 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2211 if (b == uw_Basis_False)
adamc@286 2212 return "False";
adamc@286 2213 else
adamc@286 2214 return "True";
adamc@286 2215 }
adamc@286 2216
adamc@428 2217 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 2218 if (b == uw_Basis_False) {
adamc@311 2219 uw_check(ctx, 6);
adamc@666 2220 strcpy(ctx->page.front, "False");
adamc@666 2221 ctx->page.front += 5;
adamc@286 2222 } else {
adamc@311 2223 uw_check(ctx, 5);
adamc@666 2224 strcpy(ctx->page.front, "True");
adamc@666 2225 ctx->page.front += 4;
adamc@286 2226 }
adamc@428 2227
adamc@428 2228 return uw_unit_v;
adamc@286 2229 }
adamc@286 2230
adamc@436 2231 #define TIME_FMT "%x %X"
adamc@438 2232 #define TIME_FMT_PG "%Y-%m-%d %T"
adam@1632 2233 #define TIME_FMT_JS "%Y/%m/%d %T"
adamc@436 2234
adam@1629 2235 uw_Basis_string uw_Basis_timeToString(uw_context, uw_Basis_time);
adam@1629 2236
adamc@436 2237 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adam@1629 2238 return uw_Basis_htmlifyString(ctx, uw_Basis_timeToString(ctx, t));
adamc@436 2239 }
adamc@436 2240
adamc@436 2241 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1629 2242 return uw_Basis_htmlifyString_w(ctx, uw_Basis_timeToString(ctx, t));
adamc@436 2243 }
adamc@436 2244
adam@1446 2245 char *uw_Basis_htmlifySource(uw_context ctx, uw_Basis_source src) {
adam@1446 2246 int len;
adam@1446 2247 char *r;
adam@1446 2248
adam@1446 2249 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1446 2250 r = ctx->heap.front;
adam@1446 2251 sprintf(r, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2252 ctx->heap.front += len+1;
adam@1446 2253 return r;
adam@1446 2254 }
adam@1446 2255
adam@1446 2256 uw_unit uw_Basis_htmlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1446 2257 int len;
adam@1446 2258
adam@1446 2259 uw_check(ctx, 2 * INTS_MAX + 1);
adam@1446 2260 sprintf(ctx->page.front, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2261 ctx->page.front += len;
phurst@1981 2262
adam@1446 2263 return uw_unit_v;
adam@1446 2264 }
adam@1446 2265
adamc@821 2266 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2267 while (n >= 0) {
adam@1388 2268 if (*s == 0)
adam@1388 2269 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adam@1388 2270
adam@1388 2271 if (n == 0)
adam@1388 2272 return *s;
adam@1388 2273
adam@1388 2274 --n;
adam@1388 2275 ++s;
adam@1388 2276 }
adam@1388 2277
adam@1388 2278 uw_error(ctx, FATAL, "Negative strsub bound");
adamc@821 2279 }
adamc@821 2280
adamc@821 2281 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2282 while (n >= 0) {
adam@1388 2283 if (*s == 0 || n == 0)
adam@1388 2284 return s;
adam@1388 2285
adam@1388 2286 --n;
adam@1388 2287 ++s;
adam@1388 2288 }
adam@1388 2289
adam@1388 2290 uw_error(ctx, FATAL, "Negative strsuffix bound");
adamc@821 2291 }
adamc@821 2292
adamc@828 2293 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 2294 return strlen(s);
adamc@828 2295 }
adamc@828 2296
adam@1388 2297 uw_Basis_bool uw_Basis_strlenGe(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2298 while (n > 0) {
adam@1388 2299 if (*s == 0)
adam@1388 2300 return uw_Basis_False;
adam@1388 2301
adam@1388 2302 --n;
adam@1388 2303 ++s;
adam@1388 2304 }
adam@1388 2305
adam@1388 2306 return uw_Basis_True;
adam@1388 2307 }
adam@1388 2308
adamc@829 2309 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2310 return strchr(s, ch);
adamc@829 2311 }
adamc@829 2312
adamc@831 2313 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 2314 return strcspn(s, chs);
adamc@831 2315 }
adamc@831 2316
adamc@829 2317 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2318 uw_Basis_string r = strchr(s, ch);
adamc@829 2319 if (r == NULL)
adamc@829 2320 return NULL;
adamc@829 2321 else {
adamc@829 2322 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 2323 *nr = r - s;
adamc@829 2324 return nr;
adamc@829 2325 }
adamc@829 2326 }
adamc@829 2327
adam@1390 2328 uw_Basis_int *uw_Basis_strsindex(uw_context ctx, const char *haystack, const char *needle) {
adam@1390 2329 uw_Basis_string r = strstr(haystack, needle);
adam@1390 2330 if (r == NULL)
adam@1390 2331 return NULL;
adam@1390 2332 else {
adam@1390 2333 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adam@1390 2334 *nr = r - haystack;
adam@1390 2335 return nr;
adam@1390 2336 }
adam@1390 2337 }
adam@1390 2338
adamc@311 2339 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 2340 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 2341 char *s;
adamc@180 2342
adamc@311 2343 uw_check_heap(ctx, len);
adamc@180 2344
adamc@666 2345 s = ctx->heap.front;
adamc@180 2346
adamc@180 2347 strcpy(s, s1);
adamc@180 2348 strcat(s, s2);
adamc@666 2349 ctx->heap.front += len;
adamc@180 2350
adamc@180 2351 return s;
adamc@180 2352 }
adamc@278 2353
adamc@829 2354 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 2355 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 2356
adamc@829 2357 if (start < 0)
adamc@829 2358 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 2359 if (len < 0)
adamc@829 2360 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 2361 if (start + len > full_len)
adamc@829 2362 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 2363
adamc@829 2364 if (start + len == full_len)
adamc@829 2365 return &s[start];
adamc@829 2366 else {
adamc@829 2367 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 2368 memcpy(r, s+start, len);
adamc@829 2369 r[len] = 0;
adamc@829 2370 return r;
adamc@829 2371 }
phurst@1981 2372
adamc@829 2373 }
adamc@829 2374
adamc@1023 2375 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023 2376 char *r;
adamc@1023 2377
adamc@1023 2378 uw_check_heap(ctx, 2);
adamc@1023 2379 r = ctx->heap.front;
adamc@1023 2380 r[0] = ch;
adamc@1023 2381 r[1] = 0;
adamc@1023 2382
adamc@1023 2383 ctx->heap.front += 2;
adamc@1023 2384
adamc@1023 2385 return r;
adamc@1023 2386 }
adamc@1023 2387
adamc@737 2388 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 2389 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 2390 char *s;
adamc@278 2391
adamc@311 2392 uw_check_heap(ctx, len);
adamc@278 2393
adamc@666 2394 s = ctx->heap.front;
adamc@278 2395
adamc@278 2396 strcpy(s, s1);
adamc@666 2397 ctx->heap.front += len;
adamc@278 2398
adamc@278 2399 return s;
adamc@278 2400 }
adamc@280 2401
adam@1295 2402 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295 2403 if (ctx->error_message[0]) {
adam@1295 2404 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295 2405 ctx->error_message[0] = 0;
adam@1295 2406 return s;
adam@1295 2407 } else
adam@1295 2408 return NULL;
adam@1295 2409 }
adam@1295 2410
adamc@737 2411 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 2412 if (s1)
adamc@737 2413 return uw_strdup(ctx, s1);
adamc@493 2414 else
adamc@493 2415 return NULL;
adamc@493 2416 }
adamc@493 2417
adamc@742 2418 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 2419 char *r = uw_malloc(ctx, len);
adamc@742 2420 memcpy(r, p, len);
adamc@742 2421 return r;
adamc@742 2422 }
adamc@280 2423
adamc@879 2424 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 2425
adamc@311 2426 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 2427 int len;
adamc@281 2428 char *r;
adamc@281 2429
adamc@311 2430 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 2431 r = ctx->heap.front;
adamc@879 2432 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 2433 ctx->heap.front += len+1;
adamc@281 2434 return r;
adamc@281 2435 }
adamc@281 2436
adamc@467 2437 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 2438 if (n == NULL)
adamc@467 2439 return "NULL";
adamc@467 2440 else
adamc@467 2441 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 2442 }
adamc@467 2443
adam@1920 2444 char *uw_sqlfmtFloat = "%.16g::float8%n";
adamc@879 2445
adamc@311 2446 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 2447 int len;
adamc@281 2448 char *r;
adamc@281 2449
adamc@311 2450 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 2451 r = ctx->heap.front;
adamc@879 2452 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 2453 ctx->heap.front += len+1;
adamc@281 2454 return r;
adamc@281 2455 }
adamc@281 2456
adamc@467 2457 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 2458 if (n == NULL)
adamc@467 2459 return "NULL";
adamc@467 2460 else
adamc@467 2461 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 2462 }
adamc@467 2463
adam@1834 2464 int uw_Estrings = 1, uw_sql_type_annotations = 1;
adamc@879 2465 char *uw_sqlsuffixString = "::text";
adamc@1011 2466 char *uw_sqlsuffixChar = "::char";
adamc@281 2467
adamc@311 2468 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 2469 char *r, *s2;
adamc@280 2470
adamc@879 2471 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 2472
adamc@666 2473 r = s2 = ctx->heap.front;
adamc@879 2474 if (uw_Estrings)
adamc@879 2475 *s2++ = 'E';
adamc@280 2476 *s2++ = '\'';
adamc@280 2477
adamc@280 2478 for (; *s; s++) {
adamc@280 2479 char c = *s;
adamc@280 2480
adamc@280 2481 switch (c) {
adamc@280 2482 case '\'':
adamc@885 2483 if (uw_Estrings)
adamc@885 2484 strcpy(s2, "\\'");
adamc@885 2485 else
adamc@885 2486 strcpy(s2, "''");
adamc@280 2487 s2 += 2;
adamc@280 2488 break;
adamc@280 2489 case '\\':
adamc@885 2490 if (uw_Estrings) {
adamc@885 2491 strcpy(s2, "\\\\");
adamc@885 2492 s2 += 2;
adamc@885 2493 } else
adamc@885 2494 *s2++ = '\\';
adamc@280 2495 break;
adamc@280 2496 default:
adamc@1150 2497 if (isprint((int)c))
adamc@280 2498 *s2++ = c;
adamc@879 2499 else if (uw_Estrings) {
adam@1857 2500 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@280 2501 s2 += 4;
adamc@280 2502 }
adamc@879 2503 else
adam@1689 2504 *s2++ = c; // I hope this is safe to do... don't know how to support UTF-8 outside Postgres otherwise!
adamc@280 2505 }
adamc@280 2506 }
adamc@280 2507
adamc@879 2508 *s2++ = '\'';
adamc@879 2509 strcpy(s2, uw_sqlsuffixString);
adamc@879 2510 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2511 return r;
adamc@280 2512 }
adamc@281 2513
adamc@1011 2514 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 2515 char *r, *s2;
adamc@1011 2516
adamc@1011 2517 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011 2518
adamc@1011 2519 r = s2 = ctx->heap.front;
adamc@1011 2520 if (uw_Estrings)
adamc@1011 2521 *s2++ = 'E';
adamc@1011 2522 *s2++ = '\'';
adamc@1011 2523
adamc@1011 2524 switch (c) {
adamc@1011 2525 case '\'':
adamc@1011 2526 if (uw_Estrings)
adamc@1011 2527 strcpy(s2, "\\'");
adamc@1011 2528 else
adamc@1011 2529 strcpy(s2, "''");
adamc@1011 2530 s2 += 2;
adamc@1011 2531 break;
adamc@1011 2532 case '\\':
adamc@1011 2533 if (uw_Estrings) {
adamc@1011 2534 strcpy(s2, "\\\\");
adamc@1011 2535 s2 += 2;
adamc@1011 2536 } else
adamc@1011 2537 *s2++ = '\\';
adamc@1011 2538 break;
adamc@1011 2539 default:
adamc@1150 2540 if (isprint((int)c))
adamc@1011 2541 *s2++ = c;
adamc@1011 2542 else if (uw_Estrings) {
adam@1857 2543 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1011 2544 s2 += 4;
adamc@1011 2545 }
adamc@1011 2546 else
adamc@1011 2547 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011 2548 }
adamc@1011 2549
adamc@1011 2550 *s2++ = '\'';
adamc@1011 2551 strcpy(s2, uw_sqlsuffixChar);
adamc@1011 2552 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011 2553 return r;
adamc@1011 2554 }
adamc@1011 2555
adamc@879 2556 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2557
adam@1867 2558 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2559 char *r, *s2;
adamc@737 2560 size_t i;
adamc@737 2561
adam@1867 2562 uw_check_heap(ctx, b.size * 5 + 4 + strlen(uw_sqlsuffixBlob));
adamc@737 2563
adamc@737 2564 r = s2 = ctx->heap.front;
adamc@879 2565 if (uw_Estrings)
adamc@879 2566 *s2++ = 'E';
adam@1867 2567 else
adam@1867 2568 *s2++ = 'X';
adamc@737 2569 *s2++ = '\'';
adamc@737 2570
adamc@737 2571 for (i = 0; i < b.size; ++i) {
adam@1867 2572 unsigned char c = b.data[i];
adam@1867 2573
adam@1867 2574 if (uw_Estrings) {
adam@1867 2575 switch (c) {
adam@1867 2576 case '\'':
adamc@885 2577 strcpy(s2, "\\'");
adam@1867 2578 s2 += 2;
adam@1867 2579 break;
adam@1867 2580 case '\\':
adamc@885 2581 strcpy(s2, "\\\\\\\\");
adamc@885 2582 s2 += 4;
adam@1867 2583 break;
adam@1867 2584 default:
adam@1867 2585 if (isprint((int)c))
adam@1867 2586 *s2++ = c;
adam@1867 2587 else {
adam@1867 2588 sprintf(s2, "\\\\%03o", c);
adam@1867 2589 s2 += 5;
adam@1867 2590 }
adamc@737 2591 }
adam@1867 2592 } else {
adam@1867 2593 sprintf(s2, "%02X", c);
adam@1867 2594 s2 += 2;
adamc@737 2595 }
phurst@1981 2596 }
adamc@737 2597
adamc@879 2598 *s2++ = '\'';
adamc@879 2599 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2600 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2601 return r;
adamc@737 2602 }
adamc@737 2603
adamc@682 2604 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2605 int len;
adamc@682 2606 char *r;
adamc@682 2607 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2608
adamc@682 2609 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2610 r = ctx->heap.front;
adamc@879 2611 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2612 ctx->heap.front += len+1;
adamc@682 2613 return r;
adamc@682 2614 }
adamc@682 2615
adamc@682 2616 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2617 int len;
adamc@682 2618 char *r;
adamc@682 2619 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2620
adamc@682 2621 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2622 r = ctx->heap.front;
adamc@682 2623 sprintf(r, "%lld%n", combo, &len);
adamc@682 2624 ctx->heap.front += len+1;
adamc@682 2625 return r;
adamc@682 2626 }
adamc@682 2627
adamc@879 2628 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2629
adamc@682 2630 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2631 int len;
adamc@682 2632 char *r;
adamc@682 2633
adamc@682 2634 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2635 r = ctx->heap.front;
adamc@879 2636 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2637 ctx->heap.front += len+1;
adamc@682 2638 return r;
adamc@682 2639 }
adamc@682 2640
adamc@682 2641 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2642 int len;
adamc@682 2643 char *r;
adamc@682 2644
adamc@682 2645 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2646 r = ctx->heap.front;
adamc@682 2647 sprintf(r, "%u%n", cli, &len);
adamc@682 2648 ctx->heap.front += len+1;
adamc@682 2649 return r;
adamc@682 2650 }
adamc@682 2651
adamc@467 2652 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2653 if (s == NULL)
adamc@467 2654 return "NULL";
adamc@467 2655 else
adamc@467 2656 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2657 }
adamc@467 2658
adamc@311 2659 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2660 if (b == uw_Basis_False)
adamc@281 2661 return "FALSE";
adamc@281 2662 else
adamc@281 2663 return "TRUE";
adamc@281 2664 }
adamc@282 2665
adamc@467 2666 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2667 if (b == NULL)
adamc@467 2668 return "NULL";
adamc@467 2669 else
adamc@467 2670 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2671 }
adamc@467 2672
adamc@439 2673 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2674 size_t len;
adamc@682 2675 char *r, *s;
adam@1392 2676 struct tm stm = {};
adam@1392 2677 stm.tm_isdst = -1;
adamc@682 2678
adam@1365 2679 if (localtime_r(&t.seconds, &stm)) {
adamc@682 2680 s = uw_malloc(ctx, TIMES_MAX);
adam@1364 2681 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1834 2682 if (uw_sql_type_annotations) {
adam@1834 2683 if (t.microseconds) {
adam@1834 2684 r = uw_malloc(ctx, len + 21);
adam@1834 2685 sprintf(r, "'%s.%06u'::timestamp", s, t.microseconds);
adam@1834 2686 } else {
adam@1834 2687 r = uw_malloc(ctx, len + 14);
adam@1834 2688 sprintf(r, "'%s'::timestamp", s);
adam@1834 2689 }
adam@1367 2690 } else {
adam@1834 2691 r = uw_malloc(ctx, len + 3);
adam@1834 2692 sprintf(r, "'%s'", s);
adam@1367 2693 }
adamc@682 2694 return r;
adamc@682 2695 } else
adamc@682 2696 return "<Invalid time>";
adamc@682 2697 }
adamc@682 2698
adamc@682 2699 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2700 size_t len;
adamc@439 2701 char *r;
adam@1392 2702 struct tm stm = {};
adam@1392 2703 stm.tm_isdst = -1;
adamc@439 2704
adam@1365 2705 if (localtime_r(&t.seconds, &stm)) {
adamc@439 2706 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2707 r = ctx->heap.front;
adamc@439 2708 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2709 ctx->heap.front += len+1;
adamc@439 2710 return r;
adamc@439 2711 } else
adamc@439 2712 return "<Invalid time>";
adamc@439 2713 }
adamc@439 2714
adam@1364 2715 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364 2716 size_t len;
adam@1364 2717 char *r;
adam@1392 2718 struct tm stm = {};
adam@1392 2719 stm.tm_isdst = -1;
adam@1364 2720
adam@1365 2721 if (localtime_r(&t.seconds, &stm)) {
adam@1364 2722 uw_check_heap(ctx, TIMES_MAX);
adam@1364 2723 r = ctx->heap.front;
adam@1365 2724 len = strftime(r, TIMES_MAX-7, TIME_FMT_PG, &stm);
adam@1365 2725 ctx->heap.front += len;
adam@1365 2726 sprintf(ctx->heap.front, ".%06u", t.microseconds);
adam@1365 2727 ctx->heap.front += 8;
adam@1364 2728 return r;
adam@1364 2729 } else
adam@1364 2730 return "<Invalid time>";
adam@1364 2731 }
adam@1364 2732
adamc@467 2733 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2734 if (t == NULL)
adamc@467 2735 return "NULL";
adamc@467 2736 else
adamc@467 2737 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2738 }
adamc@467 2739
adamc@311 2740 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2741 static uw_Basis_int true = 1;
adamc@311 2742 static uw_Basis_int false = 0;
adamc@282 2743
adamc@311 2744 if (b == uw_Basis_False)
adamc@282 2745 return (char *)&false;
adamc@282 2746 else
adamc@282 2747 return (char *)&true;
adamc@282 2748 }
adamc@284 2749
adamc@311 2750 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2751 int len;
adamc@284 2752 char *r;
adamc@284 2753
adamc@311 2754 uw_check_heap(ctx, INTS_MAX);
adamc@666 2755 r = ctx->heap.front;
adamc@284 2756 sprintf(r, "%lld%n", n, &len);
adamc@666 2757 ctx->heap.front += len+1;
adamc@284 2758 return r;
adamc@284 2759 }
adamc@285 2760
adamc@311 2761 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2762 int len;
adamc@285 2763 char *r;
adamc@285 2764
adamc@311 2765 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2766 r = ctx->heap.front;
adamc@285 2767 sprintf(r, "%g%n", n, &len);
adamc@666 2768 ctx->heap.front += len+1;
adamc@285 2769 return r;
adamc@285 2770 }
adamc@285 2771
adamc@821 2772 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2773 char *r = uw_malloc(ctx, 2);
adamc@821 2774 r[0] = ch;
adamc@821 2775 r[1] = 0;
adamc@821 2776 return r;
adamc@821 2777 }
adamc@821 2778
adamc@311 2779 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2780 if (b == uw_Basis_False)
adamc@285 2781 return "False";
adamc@285 2782 else
adamc@285 2783 return "True";
adamc@285 2784 }
adamc@288 2785
adam@1359 2786 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352 2787 size_t len;
adam@1352 2788 char *r;
adam@1392 2789 struct tm stm = {};
adam@1392 2790 stm.tm_isdst = -1;
adam@1352 2791
adam@1365 2792 if (localtime_r(&t.seconds, &stm)) {
adam@1352 2793 uw_check_heap(ctx, TIMES_MAX);
adam@1352 2794 r = ctx->heap.front;
adam@1352 2795 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352 2796 ctx->heap.front += len+1;
adam@1352 2797 return r;
adam@1352 2798 } else
adam@1352 2799 return "<Invalid time>";
adam@1352 2800 }
adam@1352 2801
adam@1629 2802 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adam@1629 2803 return uw_Basis_timef(ctx, ctx->app->time_format, t);
adam@1629 2804 }
adam@1629 2805
adamc@311 2806 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2807 char *endptr;
adamc@311 2808 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2809
adamc@288 2810 if (*s != '\0' && *endptr == '\0') {
adamc@311 2811 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2812 *r = n;
adamc@288 2813 return r;
adamc@288 2814 } else
adamc@288 2815 return NULL;
adamc@288 2816 }
adamc@289 2817
adamc@311 2818 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2819 char *endptr;
adamc@311 2820 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2821
adamc@289 2822 if (*s != '\0' && *endptr == '\0') {
adamc@311 2823 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2824 *r = n;
adamc@289 2825 return r;
adamc@289 2826 } else
adamc@289 2827 return NULL;
adamc@289 2828 }
adamc@289 2829
adamc@821 2830 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2831 if (s[0] == 0) {
adamc@821 2832 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2833 r[0] = 0;
adamc@821 2834 return r;
adamc@821 2835 } else if (s[1] != 0)
adamc@821 2836 return NULL;
adamc@821 2837 else {
adamc@821 2838 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2839 r[0] = s[0];
adamc@821 2840 return r;
adamc@821 2841 }
adamc@821 2842 }
adamc@821 2843
adamc@311 2844 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2845 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2846 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2847
adamc@289 2848 if (!strcasecmp (s, "True"))
adamc@289 2849 return &true;
adamc@289 2850 else if (!strcasecmp (s, "False"))
adamc@289 2851 return &false;
adamc@289 2852 else
adamc@289 2853 return NULL;
adamc@289 2854 }
adamc@292 2855
adamc@436 2856 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2857 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1374 2858 struct tm stm = {};
adam@1392 2859 stm.tm_isdst = -1;
adamc@436 2860
adamc@439 2861 if (dot) {
adamc@439 2862 *dot = 0;
adamc@439 2863 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2864 *dot = '.';
adamc@439 2865 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2866 r->seconds = mktime(&stm);
adam@1365 2867 r->microseconds = 0;
adamc@439 2868 return r;
adamc@439 2869 }
adamc@439 2870 else {
adamc@439 2871 *dot = '.';
adamc@439 2872 return NULL;
adamc@439 2873 }
adamc@436 2874 }
adamc@439 2875 else {
adamc@439 2876 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2877 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2878 r->seconds = mktime(&stm);
adam@1365 2879 r->microseconds = 0;
adamc@439 2880 return r;
adamc@439 2881 }
adamc@439 2882 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2883 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2884 r->seconds = mktime(&stm);
adam@1365 2885 r->microseconds = 0;
adamc@439 2886 return r;
adam@1632 2887 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632 2888 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1632 2889 r->seconds = mktime(&stm);
adam@1632 2890 r->microseconds = 0;
adam@1632 2891 return r;
adamc@439 2892 }
adamc@439 2893 else
adamc@439 2894 return NULL;
adamc@439 2895 }
adamc@436 2896 }
adamc@436 2897
adam@1352 2898 uw_Basis_time *uw_Basis_stringToTimef(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2899 char *end = strchr(s, 0);
adam@1374 2900 struct tm stm = {};
adam@1392 2901 stm.tm_isdst = -1;
adam@1352 2902
adam@1352 2903 if (strptime(s, fmt, &stm) == end) {
adam@1352 2904 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2905 r->seconds = mktime(&stm);
adam@1365 2906 r->microseconds = 0;
adam@1352 2907 return r;
adam@1352 2908 }
adam@1352 2909 else
adam@1352 2910 return NULL;
adam@1352 2911 }
adam@1352 2912
adamc@311 2913 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 2914 char *endptr;
adamc@311 2915 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 2916
adamc@292 2917 if (*s != '\0' && *endptr == '\0')
adamc@292 2918 return n;
adamc@292 2919 else
adam@1444 2920 uw_error(ctx, FATAL, "Can't parse int: %s", uw_Basis_htmlifyString(ctx, s));
adamc@292 2921 }
adamc@293 2922
adamc@682 2923 #include <errno.h>
adamc@682 2924
adamc@678 2925 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 2926 unsigned long long n;
adamc@682 2927
adamc@682 2928 if (sscanf(s, "%llu", &n) < 1)
adam@1444 2929 uw_error(ctx, FATAL, "Can't parse channel: %s", uw_Basis_htmlifyString(ctx, s));
adamc@682 2930 else {
adamc@682 2931 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 2932 return ch;
adamc@682 2933 }
adamc@682 2934 }
adamc@682 2935
adamc@682 2936 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 2937 char *endptr;
adamc@682 2938 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 2939
adamc@678 2940 if (*s != '\0' && *endptr == '\0')
adamc@678 2941 return n;
adamc@678 2942 else
adam@1444 2943 uw_error(ctx, FATAL, "Can't parse client: %s", uw_Basis_htmlifyString(ctx, s));
adamc@678 2944 }
adamc@678 2945
adamc@311 2946 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 2947 char *endptr;
adamc@311 2948 uw_Basis_float n = strtod(s, &endptr);
adamc@293 2949
adamc@293 2950 if (*s != '\0' && *endptr == '\0')
adamc@293 2951 return n;
adamc@293 2952 else
adam@1444 2953 uw_error(ctx, FATAL, "Can't parse float: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 2954 }
adamc@293 2955
adamc@821 2956 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 2957 if (s[0] == 0)
adamc@821 2958 return 0;
adamc@821 2959 else if (s[1] != 0)
adam@1444 2960 uw_error(ctx, FATAL, "Can't parse char: %s", uw_Basis_htmlifyString(ctx, s));
adamc@821 2961 else
adamc@821 2962 return s[0];
adamc@821 2963 }
adamc@821 2964
adamc@311 2965 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 2966 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 2967 return uw_Basis_True;
adamc@296 2968 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 2969 return uw_Basis_False;
adamc@293 2970 else
adam@1444 2971 uw_error(ctx, FATAL, "Can't parse bool: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 2972 }
adamc@436 2973
adam@1352 2974 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352 2975 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1352 2976 struct tm stm = {};
adam@1392 2977 stm.tm_isdst = -1;
adam@1352 2978
adam@1352 2979 if (dot) {
adam@1352 2980 *dot = 0;
adam@1352 2981 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352 2982 *dot = '.';
adam@1410 2983 char usec[] = "000000";
adam@1410 2984 int len = strlen(dot+1);
adam@1410 2985 memcpy(usec, dot+1, len < 6 ? len : 6);
adam@1410 2986 uw_Basis_time r = { mktime(&stm), atoi(usec) };
adam@1365 2987 return r;
adam@1352 2988 }
adam@1352 2989 else {
adam@1352 2990 *dot = '.';
adam@1444 2991 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 2992 }
adam@1352 2993 }
adam@1352 2994 else {
adam@1352 2995 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 2996 uw_Basis_time r = { mktime(&stm) };
adam@1365 2997 return r;
adam@1352 2998 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 2999 uw_Basis_time r = { mktime(&stm) };
adam@1365 3000 return r;
adam@1352 3001 } else
adam@1444 3002 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 3003 }
adam@1352 3004 }
adam@1352 3005
adamc@436 3006 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 3007 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 3008 struct tm stm = {};
adam@1392 3009 stm.tm_isdst = -1;
adamc@436 3010
adamc@438 3011 if (dot) {
adamc@438 3012 *dot = 0;
adamc@438 3013 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 3014 *dot = '.';
adam@1365 3015 {
adam@1365 3016 uw_Basis_time r = { mktime(&stm) };
adam@1365 3017 return r;
adam@1365 3018 }
adamc@438 3019 }
adamc@438 3020 else {
adamc@438 3021 *dot = '.';
adam@1444 3022 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 3023 }
adamc@438 3024 }
adamc@438 3025 else {
adam@1365 3026 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 3027 uw_Basis_time r = { mktime(&stm) };
adam@1365 3028 return r;
adam@1365 3029 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 3030 uw_Basis_time r = { mktime(&stm) };
adam@1365 3031 return r;
adam@1632 3032 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632 3033 uw_Basis_time r = { mktime(&stm) };
adam@1632 3034 return r;
adam@1365 3035 } else
adam@1444 3036 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 3037 }
adamc@436 3038 }
adamc@457 3039
adam@1352 3040 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 3041 char *end = strchr(s, 0);
adamc@939 3042 struct tm stm = {};
adam@1392 3043 stm.tm_isdst = -1;
adamc@939 3044
adam@1365 3045 if (strptime(s, fmt, &stm) == end) {
adam@1365 3046 uw_Basis_time r = { mktime(&stm) };
adam@1365 3047 return r;
adam@1365 3048 } else
adam@1444 3049 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@939 3050 }
adamc@939 3051
adamc@742 3052 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 3053 char *r = ctx->heap.front;
adamc@742 3054 uw_Basis_blob b = {len, r};
adamc@742 3055
adamc@742 3056 uw_check_heap(ctx, len);
adamc@742 3057
adam@1992 3058 if (s[0] == '\\' && s[1] == 'x') {
adam@1992 3059 s += 2;
adam@1992 3060
adam@1992 3061 while (*s) {
adam@1992 3062 int n;
adam@1992 3063 sscanf(s, "%02x", &n);
adam@1992 3064 *r++ = n;
adam@1992 3065 s += 2;
adam@1992 3066 }
adam@1992 3067 } else {
adam@1992 3068 while (*s) {
adam@1992 3069 if (s[0] == '\\') {
adam@1992 3070 if (s[1] == '\\') {
adam@1992 3071 *r++ = '\\';
adam@1992 3072 s += 2;
adam@1992 3073 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adam@1992 3074 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adam@1992 3075 s += 4;
adam@1992 3076 }
adam@1992 3077 else {
adam@1992 3078 *r++ = '\\';
adam@1992 3079 ++s;
adam@1992 3080 }
adam@1992 3081 } else {
adam@1992 3082 *r++ = s[0];
adamc@742 3083 ++s;
adamc@742 3084 }
adamc@742 3085 }
adamc@742 3086 }
adamc@742 3087
adamc@742 3088 b.size = r - ctx->heap.front;
adamc@742 3089 ctx->heap.front = r;
adam@1992 3090
adamc@742 3091 return b;
adamc@742 3092 }
adamc@742 3093
adam@1402 3094 #define THE_PAST "expires=Sat, 01-Jan-2011 00:00:00 GMT"
adamc@1052 3095
adamc@463 3096 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 3097 int len = strlen(c);
adamc@854 3098 char *p = ctx->outHeaders.start;
adamc@474 3099
adamc@1134 3100 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474 3101 char *p2;
adamc@474 3102 p += 13;
adamc@474 3103 p2 = strchr(p, '=');
adamc@474 3104
adamc@474 3105 if (p2) {
adamc@474 3106 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 3107
adamc@474 3108 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052 3109 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052 3110 return NULL;
adamc@1052 3111 else {
adamc@1052 3112 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052 3113 memcpy(ret, p2+1, sz);
adamc@1052 3114 ret[sz] = 0;
adamc@1052 3115 return ret;
adamc@1052 3116 }
adamc@474 3117 }
adamc@474 3118 }
adamc@474 3119 }
adamc@463 3120
adamc@1134 3121 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051 3122 char *p2;
adamc@1051 3123
adamc@854 3124 while (1) {
adamc@1051 3125 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134 3126 if ((p2 = strchr(p, ';'))) {
adamc@1051 3127 size_t n = p2 - (p + len);
adamc@1051 3128 char *r = uw_malloc(ctx, n);
adamc@1051 3129 memcpy(r, p + 1 + len, n-1);
adamc@1051 3130 r[n-1] = 0;
adamc@1051 3131 return r;
adamc@1051 3132 } else
adamc@1051 3133 return p + 1 + len;
adamc@1134 3134 } else if ((p = strchr(p, ';')))
adamc@854 3135 p += 2;
adamc@463 3136 else
adamc@463 3137 return NULL;
adamc@463 3138 }
adamc@463 3139 }
adamc@792 3140
adamc@792 3141 return NULL;
adamc@457 3142 }
adamc@462 3143
adam@1877 3144 static void set_cookie(uw_context ctx) {
adam@1877 3145 if (ctx->usedSig)
adam@1877 3146 ctx->needsResig = 1;
adam@1877 3147 }
adam@1877 3148
adamc@1050 3149 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 3150 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 3151 uw_write_header(ctx, c);
adamc@462 3152 uw_write_header(ctx, "=");
adamc@462 3153 uw_write_header(ctx, v);
adamc@466 3154 uw_write_header(ctx, "; path=");
adamc@466 3155 uw_write_header(ctx, prefix);
adamc@1050 3156 if (expires) {
adamc@1050 3157 char formatted[30];
adam@1392 3158 struct tm tm = {};
adam@1392 3159 tm.tm_isdst = -1;
adamc@1050 3160
adam@1365 3161 gmtime_r(&expires->seconds, &tm);
adamc@1050 3162
adamc@1050 3163 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050 3164
adamc@1050 3165 uw_write_header(ctx, "; expires=");
adamc@1050 3166 uw_write_header(ctx, formatted);
adamc@1050 3167 }
adamc@1050 3168 if (secure)
adamc@1050 3169 uw_write_header(ctx, "; secure");
adamc@462 3170 uw_write_header(ctx, "\r\n");
adam@1877 3171 set_cookie(ctx);
adamc@462 3172
adamc@462 3173 return uw_unit_v;
adamc@462 3174 }
adamc@667 3175
adamc@1050 3176 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050 3177 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050 3178 uw_write_header(ctx, c);
adamc@1050 3179 uw_write_header(ctx, "=; path=");
adamc@1050 3180 uw_write_header(ctx, prefix);
adamc@1052 3181 uw_write_header(ctx, "; " THE_PAST "\r\n");
adam@1877 3182 set_cookie(ctx);
adamc@1050 3183
adamc@1050 3184 return uw_unit_v;
adamc@1050 3185 }
adamc@1050 3186
adamc@1113 3187 size_t uw_deltas_max = SIZE_MAX;
adamc@1113 3188
adamc@682 3189 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 3190 unsigned i;
adamc@682 3191 delta *d;
adamc@671 3192
adamc@682 3193 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 3194 if (ctx->deltas[i].client == client)
adamc@682 3195 return &ctx->deltas[i];
adamc@671 3196
adamc@682 3197 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113 3198 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113 3199 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113 3200
adamc@682 3201 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adam@1369 3202 uw_buffer_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 3203 }
adamc@671 3204
adamc@682 3205 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 3206 d->client = client;
adam@1369 3207 uw_buffer_reset(&d->msgs);
adamc@682 3208 return d;
adamc@671 3209 }
adamc@671 3210
adamc@668 3211 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 3212 if (ctx->client == NULL)
adamc@682 3213 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 3214
adamc@682 3215 return new_channel(ctx->client);
adamc@668 3216 }
adamc@668 3217
adamc@668 3218 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 3219 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 3220 size_t len;
adamc@682 3221 int preLen;
adamc@682 3222 char pre[INTS_MAX + 2];
adamc@668 3223
adamc@682 3224 len = strlen(msg);
adamc@682 3225
adamc@682 3226 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 3227
adam@1369 3228 ctx_uw_buffer_append(ctx, "messages", &d->msgs, pre, preLen);
adam@1369 3229 ctx_uw_buffer_append(ctx, "messages", &d->msgs, msg, len);
adam@1369 3230 ctx_uw_buffer_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671 3231
adamc@671 3232 return uw_unit_v;
adamc@668 3233 }
adamc@671 3234
adam@1327 3235 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131 3236 int i;
adamc@1131 3237 cleanup *cl;
adamc@1131 3238
adamc@1131 3239 if (ctx->client)
adamc@1131 3240 release_client(ctx->client);
adamc@1131 3241
adamc@1131 3242 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131 3243 cl->func(cl->arg);
adamc@1131 3244
adamc@1131 3245 ctx->cleanup_front = ctx->cleanup;
adamc@1131 3246
adamc@1131 3247 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3248 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3249 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131 3250
adamc@1131 3251 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3252 if (ctx->transactionals[i].free)
adam@1327 3253 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131 3254
adam@1941 3255 if (ctx->app && ctx->transaction_started) {
adam@1941 3256 ctx->transaction_started = 0;
adam@1941 3257 return ctx->app->db_rollback(ctx);
adam@1941 3258 } else
adam@1941 3259 return 0;
adamc@1131 3260 }
adamc@1131 3261
adam@1956 3262 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 3263 const char uw_begin_html5[] = "<!DOCTYPE html><html>";
adam@1728 3264
adam@1877 3265 extern int uw_hash_blocksize;
adam@1877 3266
adam@1877 3267 static const char sig_intro[] = "<input type=\"hidden\" name=\"Sig\" value=\"";
adam@1877 3268
adam@1877 3269 static char *find_sig(char *haystack) {
adam@1877 3270 int i;
adam@1877 3271 char *s = strstr(haystack, sig_intro);
adam@1877 3272
adam@1877 3273 if (!s || strlen(haystack) - (s - haystack) - (sizeof sig_intro - 1) < uw_hash_blocksize*2+1)
adam@1877 3274 return NULL;
phurst@1981 3275
adam@1877 3276 s += sizeof sig_intro - 1;
adam@1877 3277
adam@1877 3278 for (i = 0; i < uw_hash_blocksize*2; ++i)
adam@1877 3279 if (!isxdigit((int)s[i]))
adam@1877 3280 return NULL;
adam@1877 3281
adam@1877 3282 if (s[i] != '"')
adam@1877 3283 return NULL;
adam@1877 3284
adam@1877 3285 return s;
adam@1877 3286 }
adam@1877 3287
adam@1938 3288 int uw_commit(uw_context ctx) {
adamc@1104 3289 int i;
adam@1877 3290 char *sig;
adamc@1104 3291
adamc@1131 3292 if (uw_has_error(ctx)) {
adam@1327 3293 uw_rollback(ctx, 0);
adam@1938 3294 return 0;
adamc@1131 3295 }
adamc@1131 3296
adamc@1104 3297 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3298 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3299 if (ctx->transactionals[i].commit) {
adamc@1083 3300 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3301 if (uw_has_error(ctx)) {
adam@1327 3302 uw_rollback(ctx, 0);
adam@1938 3303 return 0;
adamc@1131 3304 }
adamc@1131 3305 }
adamc@771 3306
adam@2000 3307 if (ctx->transaction_started) {
adam@2000 3308 int code = ctx->app->db_commit(ctx);
adam@2000 3309
adam@2000 3310 if (code) {
adam@2000 3311 if (ctx->client)
adam@2000 3312 release_client(ctx->client);
adam@2000 3313
adam@2000 3314 if (code == -1) {
adam@2000 3315 // This case is for a serialization failure, which is not really an "error."
adam@2000 3316 // The transaction will restart, so we should rollback any transactionals
adam@2000 3317 // that triggered above.
adam@2000 3318
adam@2000 3319 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3320 if (ctx->transactionals[i].rollback != NULL)
adam@2000 3321 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adam@2000 3322
adam@2000 3323 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3324 if (ctx->transactionals[i].free)
adam@2000 3325 ctx->transactionals[i].free(ctx->transactionals[i].data, 1);
adam@2000 3326
adam@2000 3327 return 1;
adam@2000 3328 }
adam@2000 3329
adam@2000 3330 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3331 if (ctx->transactionals[i].free)
adam@2000 3332 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adam@2000 3333
adam@2000 3334 uw_set_error_message(ctx, "Error running SQL COMMIT");
adam@2000 3335 return 0;
adam@2000 3336 }
adam@2000 3337 }
adam@2000 3338
adamc@1104 3339 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3340 if (ctx->transactionals[i].rollback == NULL)
adamc@1131 3341 if (ctx->transactionals[i].commit) {
adamc@1083 3342 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3343 if (uw_has_error(ctx)) {
adam@2000 3344 if (ctx->client)
adam@2000 3345 release_client(ctx->client);
adam@2000 3346
adam@2000 3347 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3348 if (ctx->transactionals[i].rollback != NULL)
adam@2000 3349 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adam@2000 3350
adam@2000 3351 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3352 if (ctx->transactionals[i].free)
adam@2000 3353 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adam@2000 3354
adam@1938 3355 return 0;
adamc@1131 3356 }
adamc@1131 3357 }
adamc@1131 3358
adamc@682 3359 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 3360 delta *d = &ctx->deltas[i];
adamc@682 3361 client *c = find_client(d->client);
adamc@682 3362
adam@1551 3363 assert (c != NULL);
adam@1551 3364 assert(c->mode == USED);
adamc@682 3365
adam@1447 3366 client_send(c, &d->msgs, ctx->script.start, uw_buffer_used(&ctx->script));
adamc@682 3367 }
adamc@682 3368
adamc@682 3369 if (ctx->client)
adamc@685 3370 release_client(ctx->client);
adamc@771 3371
adamc@1104 3372 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083 3373 if (ctx->transactionals[i].free)
adam@1327 3374 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916 3375
vshabanoff@1726 3376 uw_check(ctx, 1);
vshabanoff@1726 3377 *ctx->page.front = 0;
adam@1413 3378
adam@1956 3379 if (!ctx->returning_indirectly
adam@1956 3380 && (ctx->app->is_html5
adam@1956 3381 ? !strncmp(ctx->page.start, uw_begin_html5, sizeof uw_begin_html5 - 1)
adam@1956 3382 : !strncmp(ctx->page.start, uw_begin_xhtml, sizeof uw_begin_xhtml - 1))) {
adam@1728 3383 char *s;
adam@1728 3384
adam@1728 3385 // Splice script data into appropriate part of page, also adding <head> if needed.
adam@1956 3386 s = ctx->page.start + (ctx->app->is_html5 ? sizeof uw_begin_html5 - 1 : sizeof uw_begin_xhtml - 1);
adam@1728 3387 s = strchr(s, '<');
adam@1728 3388 if (s == NULL) {
adam@1728 3389 // Weird. Document has no tags!
adam@1728 3390
adam@1728 3391 uw_write(ctx, "<head></head><body></body>");
adam@1728 3392 uw_check(ctx, 1);
adam@1728 3393 *ctx->page.front = 0;
adam@1728 3394 } else if (!strncmp(s, "<head>", 6)) {
adam@1728 3395 // <head> is present. Let's add the <script> tags immediately after it.
adam@1728 3396
adam@1729 3397 // Any freeform JavaScript to include?
adam@1729 3398 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729 3399 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729 3400 size_t lenP = lenH + 40 + len;
adam@1729 3401 char *start = s + 6, *oldPage = ctx->page.start;
adam@1729 3402
adam@1729 3403 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3404 start += ctx->page.start - oldPage;
adam@1729 3405 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3406 ctx->page.front += lenP;
adam@1729 3407 memcpy(start, ctx->script_header, lenH);
adam@1729 3408 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adam@1729 3409 memcpy(start + lenH + 31, ctx->script.start, len);
adam@1729 3410 memcpy(start + lenH + 31 + len, "</script>", 9);
adam@1729 3411 } else {
adam@1729 3412 size_t lenH = strlen(ctx->script_header);
adam@1729 3413 char *start = s + 6, *oldPage = ctx->page.start;
adam@1729 3414
adam@1729 3415 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenH);
adam@1729 3416 start += ctx->page.start - oldPage;
adam@1729 3417 memmove(start + lenH, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3418 ctx->page.front += lenH;
adam@1729 3419 memcpy(start, ctx->script_header, lenH);
adam@1729 3420 }
adam@1728 3421 } else {
adam@1728 3422 // No <head>. At this point, add it, with <script> tags inside.
adam@1728 3423
adam@1729 3424 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729 3425 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729 3426 size_t lenP = lenH + 53 + len;
adam@1729 3427 char *start = s, *oldPage = ctx->page.start;
adam@1729 3428
adam@1729 3429 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3430 start += ctx->page.start - oldPage;
adam@1729 3431 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3432 ctx->page.front += lenP;
adam@1729 3433 memcpy(start, "<head>", 6);
adam@1729 3434 memcpy(start + 6, ctx->script_header, lenH);
adam@1729 3435 memcpy(start + 6 + lenH, "<script type=\"text/javascript\">", 31);
adam@1729 3436 memcpy(start + 6 + lenH + 31, ctx->script.start, len);
adam@1729 3437 memcpy(start + 6 + lenH + 31 + len, "</script></head>", 16);
adam@1729 3438 } else {
adam@1729 3439 size_t lenH = strlen(ctx->script_header);
adam@1729 3440 size_t lenP = lenH + 13;
adam@1729 3441 char *start = s, *oldPage = ctx->page.start;
adam@1729 3442
adam@1729 3443 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3444 start += ctx->page.start - oldPage;
adam@1729 3445 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3446 ctx->page.front += lenP;
adam@1729 3447 memcpy(start, "<head>", 6);
adam@1729 3448 memcpy(start + 6, ctx->script_header, lenH);
adam@1729 3449 memcpy(start + 6 + lenH, "</head>", 7);
adam@1729 3450 }
adamc@916 3451 }
adamc@916 3452 }
adam@1877 3453
adam@1877 3454 if (ctx->needsResig) {
adam@1877 3455 sig = find_sig(ctx->page.start);
adam@1877 3456 if (sig) {
adam@1877 3457 char *realsig = ctx->app->cookie_sig(ctx);
adam@1877 3458
adam@1877 3459 do {
adam@1877 3460 memcpy(sig, realsig, 2*uw_hash_blocksize);
adam@1877 3461 sig = find_sig(sig);
adam@1877 3462 } while (sig);
adam@1877 3463 }
adam@1877 3464 }
adam@1938 3465
adam@1938 3466 return 0;
adamc@671 3467 }
adamc@671 3468
adamc@683 3469
adamc@1113 3470 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113 3471
adam@2001 3472 int uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327 3473 uw_callback_with_retry free) {
adamc@771 3474 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113 3475 if (ctx->used_transactionals+1 > uw_transactionals_max)
adam@2001 3476 // Exceeded limit on number of transactionals.
adam@2001 3477 return -1;
adamc@1084 3478 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771 3479 ++ctx->n_transactionals;
adamc@771 3480 }
adamc@771 3481
adamc@771 3482 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 3483 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 3484 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 3485 ctx->transactionals[ctx->used_transactionals++].free = free;
adam@2001 3486
adam@2001 3487 return 0;
adamc@771 3488 }
adamc@771 3489
adamc@683 3490
adamc@683 3491 // "Garbage collection"
adamc@683 3492
adamc@1121 3493 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121 3494 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121 3495
adamc@1121 3496 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683 3497 int r = setjmp(ctx->jmp_buf);
adamc@683 3498
adamc@1121 3499 if (r == 0)
adamc@1121 3500 uw_do_expunge(ctx, cli, data);
adamc@1121 3501 else
adamc@1121 3502 ctx->app->db_rollback(ctx);
adamc@1121 3503
adamc@1121 3504 uw_post_expunge(ctx, data);
adamc@683 3505
adamc@683 3506 return r;
adamc@683 3507 }
adamc@683 3508
adamc@683 3509 void uw_prune_clients(uw_context ctx) {
adamc@683 3510 client *c, *next, *prev = NULL;
adamc@683 3511 time_t cutoff;
adamc@683 3512
adamc@1094 3513 cutoff = time(NULL) - ctx->app->timeout;
adamc@683 3514
adamc@683 3515 pthread_mutex_lock(&clients_mutex);
adam@1707 3516 pruning_thread = pthread_self();
adam@1707 3517 pruning_thread_initialized = 1;
adamc@683 3518
adamc@683 3519 for (c = clients_used; c; c = next) {
adamc@683 3520 next = c->next;
adamc@683 3521 pthread_mutex_lock(&c->lock);
adamc@685 3522 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 3523 failure_kind fk = UNLIMITED_RETRY;
adamc@683 3524 if (prev)
adamc@683 3525 prev->next = next;
adamc@683 3526 else
adamc@683 3527 clients_used = next;
adamc@683 3528 while (fk == UNLIMITED_RETRY) {
adam@1941 3529 uw_reset(ctx);
adamc@1121 3530 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121 3531 if (fk == UNLIMITED_RETRY)
adamc@684 3532 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 3533 }
adamc@684 3534 if (fk == SUCCESS)
adamc@684 3535 free_client(c);
adamc@1121 3536 else
adamc@856 3537 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683 3538 }
adamc@683 3539 else
adamc@683 3540 prev = c;
adamc@683 3541 pthread_mutex_unlock(&c->lock);
adamc@683 3542 }
adamc@683 3543
adamc@683 3544 pthread_mutex_unlock(&clients_mutex);
adamc@683 3545 }
adamc@687 3546
adamc@687 3547 failure_kind uw_initialize(uw_context ctx) {
adamc@687 3548 int r = setjmp(ctx->jmp_buf);
adamc@687 3549
adamc@687 3550 if (r == 0) {
adam@1936 3551 uw_ensure_transaction(ctx);
adamc@1094 3552 ctx->app->initializer(ctx);
adamc@1094 3553 if (ctx->app->db_commit(ctx))
adamc@687 3554 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 3555 }
adamc@687 3556
adamc@687 3557 return r;
adamc@687 3558 }
adamc@717 3559
adamc@1065 3560 static int url_bad(uw_Basis_string s) {
adamc@1065 3561 for (; *s; ++s)
adamc@1153 3562 if (!isgraph((int)*s))
adamc@1065 3563 return 1;
adamc@1065 3564
adamc@1065 3565 return 0;
adamc@1065 3566 }
adamc@1065 3567
adamc@717 3568 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065 3569 if (url_bad(s))
adamc@1065 3570 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094 3571 if (ctx->app->check_url(s))
adamc@770 3572 return s;
adamc@770 3573 else
adamc@770 3574 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 3575 }
adamc@734 3576
adamc@770 3577 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065 3578 if (url_bad(s))
adamc@1065 3579 return NULL;
adamc@1094 3580 if (ctx->app->check_url(s))
adamc@770 3581 return s;
adamc@770 3582 else
adamc@770 3583 return NULL;
adamc@770 3584 }
adamc@770 3585
adam@1465 3586 static int mime_format(const char *s) {
adamc@770 3587 for (; *s; ++s)
adamc@1153 3588 if (!isalnum((int)*s) && *s != '/' && *s != '-' && *s != '.')
adamc@770 3589 return 0;
adamc@770 3590
adamc@770 3591 return 1;
adamc@770 3592 }
adamc@770 3593
adamc@741 3594 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3595 if (!mime_format(s))
adamc@770 3596 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 3597
adamc@1094 3598 if (ctx->app->check_mime(s))
adamc@770 3599 return s;
adamc@770 3600 else
adamc@770 3601 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 3602 }
adamc@770 3603
adamc@770 3604 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3605 if (!mime_format(s))
adamc@770 3606 return NULL;
adamc@770 3607
adamc@1094 3608 if (ctx->app->check_mime(s))
adamc@770 3609 return s;
adamc@770 3610 else
adamc@770 3611 return NULL;
adamc@741 3612 }
adamc@741 3613
adam@1465 3614 uw_Basis_string uw_Basis_blessRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3615 if (!mime_format(s))
adam@1465 3616 uw_error(ctx, FATAL, "Request header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3617
adam@1465 3618 if (ctx->app->check_requestHeader(s))
adam@1465 3619 return s;
adam@1465 3620 else
adam@1465 3621 uw_error(ctx, FATAL, "Disallowed request header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3622 }
adam@1465 3623
adam@1465 3624 uw_Basis_string uw_Basis_checkRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3625 if (!mime_format(s))
adam@1465 3626 return NULL;
adam@1465 3627
adam@1465 3628 if (ctx->app->check_requestHeader(s))
adam@1465 3629 return s;
adam@1465 3630 else
adam@1465 3631 return NULL;
adam@1465 3632 }
adam@1465 3633
adam@1465 3634 uw_Basis_string uw_Basis_blessResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3635 if (!mime_format(s))
adam@1465 3636 uw_error(ctx, FATAL, "Response header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3637
adam@1465 3638 if (ctx->app->check_responseHeader(s))
adam@1465 3639 return s;
adam@1465 3640 else
adam@1465 3641 uw_error(ctx, FATAL, "Disallowed response header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3642 }
adam@1465 3643
adam@1799 3644 static int envVar_format(const char *s) {
adam@1799 3645 for (; *s; ++s)
adam@1799 3646 if (!isalnum((int)*s) && *s != '_' && *s != '.')
adam@1799 3647 return 0;
adam@1799 3648
adam@1799 3649 return 1;
adam@1799 3650 }
adam@1799 3651
adam@1465 3652 uw_Basis_string uw_Basis_checkResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1799 3653 if (!envVar_format(s))
adam@1465 3654 return NULL;
adam@1465 3655
adam@1465 3656 if (ctx->app->check_responseHeader(s))
adam@1465 3657 return s;
adam@1465 3658 else
adam@1465 3659 return NULL;
adam@1465 3660 }
adam@1465 3661
adam@1799 3662 uw_Basis_string uw_Basis_blessEnvVar(uw_context ctx, uw_Basis_string s) {
adam@1799 3663 if (!envVar_format(s))
adam@1799 3664 uw_error(ctx, FATAL, "Environment variable \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1799 3665
adam@1799 3666 if (ctx->app->check_envVar(s))
adam@1799 3667 return s;
adam@1799 3668 else
adam@1799 3669 uw_error(ctx, FATAL, "Disallowed environment variable %s", uw_Basis_htmlifyString(ctx, s));
adam@1799 3670 }
adam@1799 3671
adam@1799 3672 uw_Basis_string uw_Basis_checkEnvVar(uw_context ctx, uw_Basis_string s) {
adam@1799 3673 if (!mime_format(s))
adam@1799 3674 return NULL;
adam@1799 3675
adam@1799 3676 if (ctx->app->check_envVar(s))
adam@1799 3677 return s;
adam@1799 3678 else
adam@1799 3679 return NULL;
adam@1799 3680 }
adam@1799 3681
adam@1465 3682 uw_Basis_string uw_Basis_getHeader(uw_context ctx, uw_Basis_string name) {
adam@1465 3683 return uw_Basis_requestHeader(ctx, name);
adam@1465 3684 }
adam@1465 3685
adam@1465 3686 static int mime_value_format(const char *s) {
adam@1465 3687 for (; *s; ++s)
adam@1465 3688 if (*s == '\r' || *s == '\n')
adam@1465 3689 return 0;
adam@1465 3690
adam@1465 3691 return 1;
adam@1465 3692 }
adam@1465 3693
adam@1465 3694 uw_unit uw_Basis_setHeader(uw_context ctx, uw_Basis_string name, uw_Basis_string value) {
adam@1465 3695 if (!mime_value_format(value))
adam@1465 3696 uw_error(ctx, FATAL, "Invalid value for HTTP response header");
adam@1465 3697
adam@1465 3698 uw_write_header(ctx, name);
adam@1465 3699 uw_write_header(ctx, ": ");
adam@1465 3700 uw_write_header(ctx, value);
adam@1465 3701 uw_write_header(ctx, "\r\n");
adam@1465 3702
adam@1465 3703 return uw_unit_v;
adam@1465 3704 }
adam@1465 3705
adam@1799 3706 uw_Basis_string uw_Basis_getenv(uw_context ctx, uw_Basis_string name) {
adam@1993 3707 if (ctx->get_env)
adam@1993 3708 return ctx->get_env(ctx->get_env_data, name);
adam@1993 3709 else
adam@1994 3710 return getenv(name);
adam@1799 3711 }
adam@1799 3712
adamc@734 3713 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 3714 return s ? s : "";
adamc@734 3715 }
adamc@734 3716
adamc@734 3717 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 3718 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 3719 int i;
phurst@1981 3720
adamc@734 3721 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 3722 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 3723
adamc@734 3724 return r;
adamc@734 3725 }
adamc@734 3726
adam@1512 3727 /* This bit of crafty code is intended to prevent GCC from performing
adam@1512 3728 * optimizations that would enable timing attacks. See:
adam@1512 3729 * http://www.impredicative.com/pipermail/ur/2011-July/000659.html
adam@1512 3730 */
adam@1512 3731 int uw_streq(uw_Basis_string s1, uw_Basis_string s2) {
adam@1512 3732 int i, x = 0, len1 = strlen(s1);
adam@1512 3733
adam@1512 3734 if (len1 != strlen(s2)) return 0;
adam@1512 3735
adam@1512 3736 for (i = 0; i < len1; ++i) {
adam@1512 3737 __asm__ __volatile__ ("");
adam@1512 3738 x |= s1[i] ^ s2[i];
adam@1512 3739 }
adam@1512 3740
adam@1512 3741 return x == 0;
adam@1512 3742 }
adam@1512 3743
adamc@734 3744 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adam@1877 3745 ctx->usedSig = 1;
adamc@1094 3746 return ctx->app->cookie_sig(ctx);
adamc@734 3747 }
adamc@737 3748
adamc@737 3749 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 3750 return f.name;
adamc@737 3751 }
adamc@737 3752
adamc@740 3753 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 3754 return f.type;
adamc@740 3755 }
adamc@740 3756
adamc@745 3757 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 3758 return b.size;
adamc@745 3759 }
adamc@745 3760
adamc@1119 3761 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119 3762 uw_Basis_blob b = {strlen(s), s};
adamc@1119 3763
adamc@1119 3764 return b;
adamc@1119 3765 }
adamc@1119 3766
adamc@737 3767 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 3768 return f.data;
adamc@737 3769 }
adamc@741 3770
adam@1347 3771 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3772 return pb.type;
adam@1347 3773 }
adam@1347 3774
adam@1347 3775 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3776 return pb.data;
adam@1347 3777 }
adam@1347 3778
adam@1471 3779 static char *old_headers(uw_context ctx) {
adam@1471 3780 if (uw_buffer_used(&ctx->outHeaders) == 0)
adam@1471 3781 return NULL;
adam@1471 3782 else {
adam@1471 3783 char *s = strchr(ctx->outHeaders.start, '\n');
adam@1471 3784
adam@1471 3785 if (s == NULL || strncasecmp(s+1, "Content-type: ", 14))
adam@1471 3786 return NULL;
adam@1471 3787 else {
adam@1471 3788 s = strchr(s+15, '\n');
adam@1471 3789 if (s == NULL)
adam@1471 3790 return NULL;
adam@1471 3791 else
adam@1471 3792 return uw_strdup(ctx, s+1);
adam@1471 3793 }
adam@1471 3794 }
adam@1471 3795 }
adam@1471 3796
adamc@741 3797 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 3798 cleanup *cl;
adamc@741 3799 int len;
adam@1471 3800 char *oldh;
adamc@741 3801
adam@1451 3802 if (!ctx->allowed_to_return_indirectly)
adam@1451 3803 uw_error(ctx, FATAL, "Tried to return a blob from an RPC");
adam@1451 3804
adamc@1065 3805 ctx->returning_indirectly = 1;
adam@1471 3806 oldh = old_headers(ctx);
adam@1369 3807 uw_buffer_reset(&ctx->outHeaders);
adam@1369 3808 uw_buffer_reset(&ctx->page);
adamc@741 3809
adamc@856 3810 uw_write_header(ctx, on_success);
adamc@856 3811 uw_write_header(ctx, "Content-Type: ");
adamc@741 3812 uw_write_header(ctx, mimeType);
adam@1934 3813 uw_write_header(ctx, "\r\nContent-length: ");
adam@1369 3814 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134 3815 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741 3816 ctx->outHeaders.front += len;
adamc@1066 3817 uw_write_header(ctx, "\r\n");
adam@1471 3818 if (oldh) uw_write_header(ctx, oldh);
adamc@741 3819
adam@1369 3820 ctx_uw_buffer_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741 3821
adamc@741 3822 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 3823 cl->func(cl->arg);
adamc@741 3824
adamc@741 3825 ctx->cleanup_front = ctx->cleanup;
adamc@741 3826
adamc@1065 3827 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065 3828 }
adamc@1065 3829
adam@1932 3830 __attribute__((noreturn)) void uw_return_blob_from_page(uw_context ctx, uw_Basis_string mimeType) {
adam@1932 3831 cleanup *cl;
adam@1932 3832 int len;
adam@1932 3833 char *oldh;
adam@1932 3834
adam@1932 3835 if (!ctx->allowed_to_return_indirectly)
adam@1932 3836 uw_error(ctx, FATAL, "Tried to return a blob from an RPC");
adam@1932 3837
adam@1932 3838 ctx->returning_indirectly = 1;
adam@1932 3839 oldh = old_headers(ctx);
adam@1932 3840 uw_buffer_reset(&ctx->outHeaders);
adam@1932 3841
adam@1932 3842 uw_write_header(ctx, on_success);
adam@1932 3843 uw_write_header(ctx, "Content-Type: ");
adam@1932 3844 uw_write_header(ctx, mimeType);
adam@1934 3845 uw_write_header(ctx, "\r\nContent-length: ");
adam@1932 3846 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adam@1932 3847 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)uw_buffer_used(&ctx->page), &len);
adam@1932 3848 ctx->outHeaders.front += len;
adam@1932 3849 uw_write_header(ctx, "\r\n");
adam@1932 3850 if (oldh) uw_write_header(ctx, oldh);
adam@1932 3851
adam@1932 3852 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adam@1932 3853 cl->func(cl->arg);
adam@1932 3854
adam@1932 3855 ctx->cleanup_front = ctx->cleanup;
adam@1932 3856
adam@1932 3857 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adam@1932 3858 }
adam@1932 3859
adamc@1065 3860 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065 3861 cleanup *cl;
adamc@1066 3862 char *s;
adam@1471 3863 char *oldh;
adamc@1065 3864
adam@1451 3865 if (!ctx->allowed_to_return_indirectly)
adam@1451 3866 uw_error(ctx, FATAL, "Tried to redirect from an RPC");
adam@1451 3867
adamc@1065 3868 ctx->returning_indirectly = 1;
adam@1471 3869 oldh = old_headers(ctx);
adam@1369 3870 uw_buffer_reset(&ctx->page);
adam@1369 3871 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->outHeaders)+1);
adam@1369 3872 memcpy(ctx->page.start, ctx->outHeaders.start, uw_buffer_used(&ctx->outHeaders));
adam@1369 3873 ctx->page.start[uw_buffer_used(&ctx->outHeaders)] = 0;
adam@1369 3874 uw_buffer_reset(&ctx->outHeaders);
adamc@1065 3875
adam@1409 3876 if (on_success[0])
adam@1409 3877 uw_write_header(ctx, on_redirect);
adam@1409 3878 else
adam@1409 3879 uw_write_header(ctx, "Status: 303 See Other\r\n");
adam@1409 3880 s = on_success[0] ? strchr(ctx->page.start, '\n') : ctx->page.start;
adamc@1066 3881 if (s) {
adamc@1066 3882 char *s2;
adam@1409 3883 if (s[0] == '\n') ++s;
adam@1409 3884 for (; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066 3885 *s2 = 0;
adamc@1066 3886 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066 3887 uw_write_header(ctx, s);
adamc@1066 3888 uw_write_header(ctx, "\n");
adamc@1066 3889 }
adamc@1066 3890 }
adamc@1066 3891 }
adamc@1066 3892
adamc@1065 3893 uw_write_header(ctx, "Location: ");
adamc@1065 3894 uw_write_header(ctx, url);
adamc@1065 3895 uw_write_header(ctx, "\r\n\r\n");
adam@1471 3896 if (oldh) uw_write_header(ctx, oldh);
adamc@1065 3897
adamc@1065 3898 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065 3899 cl->func(cl->arg);
adamc@1065 3900
adamc@1065 3901 ctx->cleanup_front = ctx->cleanup;
adamc@1065 3902
adamc@1065 3903 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741 3904 }
adamc@874 3905
adamc@874 3906 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adam@1467 3907 uw_Basis_string ret = uw_malloc(ctx, strlen(s) + 1), r = ret;
adamc@874 3908
adamc@874 3909 for (; *s; ++s) {
adamc@874 3910 if (s[0] == '\'') {
adamc@874 3911 *r++ = '\'';
adamc@874 3912 for (++s; *s; ++s) {
adamc@874 3913 if (s[0] == '\'') {
adamc@874 3914 *r++ = '\'';
adamc@874 3915 break;
adamc@874 3916 } else if (s[0] == '\\') {
adam@1467 3917 *r++ = '\\';
adam@1467 3918 *r++ = s[1];
adam@1467 3919 ++s;
adamc@874 3920 } else
adamc@874 3921 *r++ = s[0];
adamc@874 3922 }
adamc@874 3923 if (*s == 0) break;
adam@1467 3924 } else if (s[0] == 'T' && s[1] == '_' && s[2] == 'T' && s[3] == '.')
adam@1467 3925 s += 3;
adamc@874 3926 else
adamc@874 3927 *r++ = s[0];
adamc@874 3928 }
adamc@874 3929
adam@1467 3930 *r = 0;
adam@1467 3931 return ret;
adamc@874 3932 }
adamc@874 3933
adamc@922 3934 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922 3935 va_list ap;
adamc@922 3936 size_t len = 1;
adamc@922 3937 char *s, *r, *s2;
phurst@1981 3938
adamc@922 3939 va_start(ap, ctx);
adamc@922 3940 for (s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3941 len += strlen(s);
adamc@922 3942 va_end(ap);
adamc@922 3943
adamc@922 3944 r = uw_malloc(ctx, len);
adamc@922 3945 va_start(ap, ctx);
adamc@922 3946 for (s2 = r, s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3947 while (*s)
adamc@922 3948 *s2++ = *s++;
adamc@922 3949 va_end(ap);
adamc@922 3950 *s2 = 0;
adamc@922 3951
adamc@922 3952 return r;
adamc@922 3953 }
adamc@1006 3954
adam@1365 3955 const uw_Basis_time uw_Basis_minTime = {};
adamc@1050 3956
adamc@1006 3957 uw_Basis_time uw_Basis_now(uw_context ctx) {
adam@1365 3958 uw_Basis_time r = { time(NULL) };
adam@1365 3959 return r;
adamc@1006 3960 }
adamc@1061 3961
adam@1369 3962 uw_Basis_time uw_Basis_addSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adam@1369 3963 tm.seconds += n;
adam@1365 3964 return tm;
adamc@1138 3965 }
adamc@1138 3966
adam@1514 3967 uw_Basis_int uw_Basis_diffInSeconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1514 3968 return difftime(tm2.seconds, tm1.seconds);
adam@1514 3969 }
adam@1514 3970
adam@1685 3971 uw_Basis_int uw_Basis_toMilliseconds(uw_context ctx, uw_Basis_time tm) {
adam@1685 3972 return tm.seconds * 1000 + tm.microseconds / 1000;
adam@1685 3973 }
adam@1685 3974
adam@1685 3975 uw_Basis_int uw_Basis_diffInMilliseconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1685 3976 return uw_Basis_toMilliseconds(ctx, tm2) - uw_Basis_toMilliseconds(ctx, tm1);
adam@1685 3977 }
adam@1685 3978
adam@1514 3979 uw_Basis_int uw_Basis_toSeconds(uw_context ctx, uw_Basis_time tm) {
adam@1514 3980 return tm.seconds;
adam@1514 3981 }
adam@1514 3982
phurst@1971 3983 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 3984 struct tm tm = { .tm_year = year - 1900, .tm_mon = month, .tm_mday = day,
phurst@1971 3985 .tm_hour = hour, .tm_min = minute, .tm_sec = second };
phurst@1984 3986 uw_Basis_time r = { timelocal(&tm) };
phurst@1971 3987 return r;
phurst@1971 3988 }
phurst@1971 3989
phurst@1971 3990 uw_Basis_int uw_Basis_datetimeYear(uw_context ctx, uw_Basis_time time) {
phurst@1971 3991 struct tm tm;
phurst@1982 3992 localtime_r(&time.seconds, &tm);
phurst@1971 3993 return tm.tm_year + 1900;
phurst@1971 3994 }
phurst@1971 3995
phurst@1971 3996 uw_Basis_int uw_Basis_datetimeMonth(uw_context ctx, uw_Basis_time time) {
phurst@1971 3997 struct tm tm;
phurst@1982 3998 localtime_r(&time.seconds, &tm);
phurst@1971 3999 return tm.tm_mon;
phurst@1971 4000 }
phurst@1971 4001
phurst@1971 4002 uw_Basis_int uw_Basis_datetimeDay(uw_context ctx, uw_Basis_time time) {
phurst@1971 4003 struct tm tm;
phurst@1982 4004 localtime_r(&time.seconds, &tm);
phurst@1971 4005 return tm.tm_mday;
phurst@1971 4006 }
phurst@1971 4007
phurst@1971 4008 uw_Basis_int uw_Basis_datetimeHour(uw_context ctx, uw_Basis_time time) {
phurst@1971 4009 struct tm tm;
phurst@1982 4010 localtime_r(&time.seconds, &tm);
phurst@1971 4011 return tm.tm_hour;
phurst@1971 4012 }
phurst@1971 4013
phurst@1971 4014 uw_Basis_int uw_Basis_datetimeMinute(uw_context ctx, uw_Basis_time time) {
phurst@1971 4015 struct tm tm;
phurst@1982 4016 localtime_r(&time.seconds, &tm);
phurst@1971 4017 return tm.tm_min;
phurst@1971 4018 }
phurst@1971 4019
phurst@1971 4020 uw_Basis_int uw_Basis_datetimeSecond(uw_context ctx, uw_Basis_time time) {
phurst@1971 4021 struct tm tm;
phurst@1982 4022 localtime_r(&time.seconds, &tm);
phurst@1971 4023 return tm.tm_sec;
phurst@1971 4024 }
phurst@1971 4025
phurst@1973 4026 uw_Basis_int uw_Basis_datetimeDayOfWeek(uw_context ctx, uw_Basis_time time) {
phurst@1973 4027 struct tm tm;
phurst@1982 4028 localtime_r(&time.seconds, &tm);
phurst@1973 4029 return tm.tm_wday;
phurst@1973 4030 }
phurst@1971 4031
phurst@1971 4032
adamc@1061 4033 void *uw_get_global(uw_context ctx, char *name) {
adamc@1061 4034 int i;
adamc@1061 4035
adamc@1061 4036 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 4037 if (!strcmp(name, ctx->globals[i].name))
adamc@1061 4038 return ctx->globals[i].data;
adamc@1061 4039
adamc@1061 4040 return NULL;
adamc@1061 4041 }
adamc@1061 4042
adamc@1113 4043 size_t uw_globals_max = SIZE_MAX;
adamc@1113 4044
adamc@1061 4045 void uw_set_global(uw_context ctx, char *name, void *data, void (*free)(void*)) {
adamc@1061 4046 int i;
adamc@1061 4047
adamc@1061 4048 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 4049 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089 4050 if (ctx->globals[i].free)
adamc@1061 4051 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061 4052 ctx->globals[i].data = data;
adamc@1061 4053 ctx->globals[i].free = free;
adamc@1061 4054 return;
adamc@1061 4055 }
adamc@1089 4056
adamc@1113 4057 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113 4058 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113 4059
adamc@1061 4060 ++ctx->n_globals;
adamc@1061 4061 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061 4062 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061 4063 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061 4064 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061 4065 }
adamc@1061 4066
adamc@1061 4067 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153 4068 return !!isalnum((int)c);
adamc@1061 4069 }
adamc@1061 4070
adamc@1061 4071 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153 4072 return !!isalpha((int)c);
adamc@1061 4073 }
adamc@1061 4074
adamc@1061 4075 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153 4076 return !!isblank((int)c);
adamc@1061 4077 }
adamc@1061 4078
adamc@1061 4079 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153 4080 return !!iscntrl((int)c);
adamc@1061 4081 }
adamc@1061 4082
adamc@1061 4083 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 4084 return !!isdigit((int)c);
adamc@1061 4085 }
adamc@1061 4086
adamc@1061 4087 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153 4088 return !!isgraph((int)c);
adamc@1061 4089 }
adamc@1061 4090
adamc@1061 4091 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153 4092 return !!islower((int)c);
adamc@1061 4093 }
adamc@1061 4094
adamc@1061 4095 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153 4096 return !!isprint((int)c);
adamc@1061 4097 }
adamc@1061 4098
adamc@1061 4099 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153 4100 return !!ispunct((int)c);
adamc@1061 4101 }
adamc@1061 4102
adamc@1061 4103 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153 4104 return !!isspace((int)c);
adamc@1061 4105 }
adamc@1063 4106
adamc@1061 4107 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 4108 return !!isupper((int)c);
adamc@1061 4109 }
adamc@1061 4110
adamc@1061 4111 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 4112 return !!isxdigit((int)c);
adamc@1061 4113 }
adamc@1061 4114
adamc@1061 4115 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153 4116 return tolower((int)c);
adamc@1061 4117 }
adamc@1061 4118
adamc@1061 4119 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 4120 return toupper((int)c);
adamc@1061 4121 }
adamc@1066 4122
adamc@1128 4123 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128 4124 return (unsigned char)c;
adamc@1128 4125 }
adamc@1128 4126
adamc@1128 4127 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128 4128 return n;
adamc@1128 4129 }
adamc@1128 4130
adamc@1066 4131 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066 4132 return ctx->current_url;
adamc@1066 4133 }
adamc@1066 4134
adamc@1066 4135 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066 4136 ctx->current_url = s;
adamc@1066 4137 }
adamc@1114 4138
adamc@1114 4139 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114 4140 ctx->deadline = n;
adamc@1114 4141 }
adamc@1114 4142
adamc@1114 4143 void uw_check_deadline(uw_context ctx) {
adamc@1114 4144 if (uw_time > ctx->deadline)
adamc@1114 4145 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114 4146 }
adamc@1115 4147
adamc@1115 4148 size_t uw_database_max = SIZE_MAX;
adamc@1120 4149
adam@1389 4150 uw_Basis_int uw_Basis_naughtyDebug(uw_context ctx, uw_Basis_string s) {
adam@1389 4151 fprintf(stderr, "%s\n", s);
adam@1389 4152 return 0;
adam@1389 4153 }
adam@1389 4154
adamc@1120 4155 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
grrwlf@1997 4156 if (ctx->loggers->log_debug)
grrwlf@1997 4157 ctx->loggers->log_debug(ctx->loggers->logger_data, "%s\n", s);
adam@1334 4158 else
adam@1334 4159 fprintf(stderr, "%s\n", s);
adamc@1120 4160 return uw_unit_v;
adamc@1120 4161 }
adamc@1250 4162
adam@1933 4163 static pthread_mutex_t rand_mutex = PTHREAD_MUTEX_INITIALIZER;
adam@1933 4164
adamc@1250 4165 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adam@1486 4166 uw_Basis_int ret;
adam@1933 4167 pthread_mutex_lock(&rand_mutex);
adam@1486 4168 int r = RAND_bytes((unsigned char *)&ret, sizeof ret);
adam@1933 4169 pthread_mutex_unlock(&rand_mutex);
phurst@1981 4170
adam@1486 4171 if (r)
adam@1486 4172 return abs(ret);
adam@1486 4173 else
adam@1486 4174 uw_error(ctx, FATAL, "Random number generation failed");
adamc@1250 4175 }
adam@1347 4176
adam@1347 4177 void uw_noPostBody(uw_context ctx) {
adam@1347 4178 ctx->hasPostBody = 0;
adam@1347 4179 }
adam@1347 4180
adam@1347 4181 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 4182 ctx->hasPostBody = 1;
adam@1347 4183 ctx->postBody = pb;
adam@1347 4184 }
adam@1347 4185
adam@1347 4186 int uw_hasPostBody(uw_context ctx) {
adam@1347 4187 return ctx->hasPostBody;
adam@1347 4188 }
adam@1347 4189
adam@1386 4190 void uw_isPost(uw_context ctx) {
adam@1386 4191 ctx->isPost = 1;
adam@1386 4192 }
adam@1386 4193
adam@1386 4194 uw_Basis_bool uw_Basis_currentUrlHasPost(uw_context ctx) {
adam@1386 4195 return ctx->isPost;
adam@1386 4196 }
adam@1386 4197
adam@1485 4198 uw_Basis_bool uw_Basis_currentUrlHasQueryString(uw_context ctx) {
adam@1485 4199 return ctx->queryString != NULL && ctx->queryString[0] != 0;
adam@1485 4200 }
adam@1485 4201
adam@1370 4202 void uw_setQueryString(uw_context ctx, uw_Basis_string s) {
adam@1370 4203 ctx->queryString = s;
adam@1370 4204 }
adam@1370 4205
adam@1370 4206 uw_Basis_string uw_queryString(uw_context ctx) {
adam@1370 4207 return ctx->queryString;
adam@1370 4208 }
adam@1370 4209
adam@1347 4210 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347 4211 if (ctx->hasPostBody)
adam@1347 4212 return ctx->postBody;
adam@1347 4213 else
adam@1347 4214 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347 4215 }
adam@1349 4216
adam@1349 4217 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349 4218 int r = setjmp(ctx->jmp_buf);
adam@1349 4219
adam@1349 4220 if (r == 0) {
adam@1936 4221 uw_ensure_transaction(ctx);
adam@1418 4222
adam@1349 4223 callback(ctx);
adam@1349 4224 }
adam@1349 4225
adam@1349 4226 return r;
adam@1349 4227 }
adam@1360 4228
adam@1360 4229 uw_Basis_string uw_Basis_crypt(uw_context ctx, uw_Basis_string key, uw_Basis_string salt) {
adam@1397 4230 char buf[14];
adam@1397 4231 return uw_strdup(ctx, DES_fcrypt(key, salt, buf));
adam@1360 4232 }
adam@1365 4233
adam@1365 4234 uw_Basis_bool uw_Basis_eq_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 4235 return !!(t1.seconds == t2.seconds && t1.microseconds == t2.microseconds);
adam@1365 4236 }
adam@1365 4237
adam@1365 4238 uw_Basis_bool uw_Basis_lt_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 4239 return !!(t1.seconds < t2.seconds || t1.microseconds < t2.microseconds);
adam@1365 4240 }
adam@1365 4241
adam@1365 4242 uw_Basis_bool uw_Basis_le_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 4243 return !!(uw_Basis_eq_time(ctx, t1, t2) || uw_Basis_lt_time(ctx, t1, t2));
adam@1365 4244 }
adam@1365 4245
adam@1372 4246 uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374 4247 struct tm stm = {};
adam@1375 4248 char *end = strchr(s, 0);
adam@1449 4249 stm.tm_isdst = -1;
adam@1375 4250
adam@1632 4251 if (strptime(s, TIME_FMT_PG, &stm) == end || strptime(s, TIME_FMT, &stm) == end || strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1373 4252 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1375 4253
kkallio@1448 4254 r->seconds = timegm(&stm);
adam@1373 4255 r->microseconds = 0;
adam@1373 4256
adam@1373 4257 return r;
adam@1374 4258 }
adam@1374 4259 else
adam@1373 4260 return NULL;
adam@1372 4261 }
adam@1407 4262
adam@1407 4263 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1407 4264 int r = setjmp(ctx->jmp_buf);
adam@1407 4265
adam@1407 4266 if (ctx->app->on_error) {
adam@1407 4267 if (r == 0) {
adam@1936 4268 uw_ensure_transaction(ctx);
adam@1407 4269
adam@1409 4270 uw_buffer_reset(&ctx->outHeaders);
adam@1409 4271 if (on_success[0])
adam@1409 4272 uw_write_header(ctx, "HTTP/1.1 ");
adam@1409 4273 else
adam@1409 4274 uw_write_header(ctx, "Status: ");
adam@1409 4275 uw_write_header(ctx, "500 Internal Server Error\r\n");
adam@1919 4276 uw_write_header(ctx, "Content-type: text/html\r\n");
adam@1956 4277 uw_write(ctx, ctx->app->is_html5 ? uw_begin_html5 : uw_begin_xhtml);
adam@1407 4278 ctx->app->on_error(ctx, msg);
adam@1407 4279 uw_write(ctx, "</html>");
adam@1407 4280 }
adam@1407 4281
adam@1407 4282 return r;
adam@1407 4283 } else
adam@1407 4284 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1407 4285 }
adam@1451 4286
adam@1451 4287 void uw_mayReturnIndirectly(uw_context ctx) {
adam@1451 4288 ctx->allowed_to_return_indirectly = 1;
adam@1451 4289 }
adam@1483 4290
adam@1556 4291 uw_Basis_string uw_Basis_fresh(uw_context ctx) {
adam@1703 4292 int len;
adam@1703 4293 char *r;
adam@1703 4294
adam@1703 4295 uw_check_heap(ctx, 2+INTS_MAX);
adam@1703 4296 r = ctx->heap.front;
adam@1703 4297 sprintf(r, "uw%u%n", ctx->nextId++, &len);
adam@1703 4298 ctx->heap.front += len+1;
adam@1703 4299 return r;
adam@1556 4300 }
adam@1571 4301
adam@1571 4302 uw_Basis_float uw_Basis_floatFromInt(uw_context ctx, uw_Basis_int n) {
adam@1571 4303 return n;
adam@1571 4304 }
adam@1571 4305
adam@1571 4306 uw_Basis_int uw_Basis_ceil(uw_context ctx, uw_Basis_float n) {
adam@1571 4307 return ceil(n);
adam@1571 4308 }
adam@1571 4309
adam@1571 4310 uw_Basis_int uw_Basis_trunc(uw_context ctx, uw_Basis_float n) {
adam@1571 4311 return trunc(n);
adam@1571 4312 }
adam@1571 4313
adam@1571 4314 uw_Basis_int uw_Basis_round(uw_context ctx, uw_Basis_float n) {
adam@1571 4315 return round(n);
adam@1571 4316 }
adam@1755 4317
adam@1755 4318 uw_Basis_string uw_Basis_atom(uw_context ctx, uw_Basis_string s) {
adam@1755 4319 char *p;
adam@1755 4320
adam@1755 4321 for (p = s; *p; ++p) {
adam@1755 4322 char c = *p;
adam@1801 4323 if (!isalnum((int)c) && c != '+' && c != '-' && c != '.' && c != '%' && c != '#')
adam@1755 4324 uw_error(ctx, FATAL, "Disallowed character in CSS atom");
adam@1755 4325 }
adam@1755 4326
adam@1755 4327 return s;
adam@1755 4328 }
adam@1755 4329
adam@1755 4330 uw_Basis_string uw_Basis_css_url(uw_context ctx, uw_Basis_string s) {
adam@1755 4331 char *p;
adam@1755 4332
adam@1755 4333 for (p = s; *p; ++p) {
adam@1755 4334 char c = *p;
adam@1801 4335 if (!isalnum((int)c) && c != ':' && c != '/' && c != '.' && c != '_' && c != '+'
adam@1755 4336 && c != '-' && c != '%' && c != '?' && c != '&' && c != '=' && c != '#')
adam@1755 4337 uw_error(ctx, FATAL, "Disallowed character in CSS URL");
adam@1755 4338 }
adam@1755 4339
adam@1755 4340 return s;
adam@1755 4341 }
adam@1755 4342
adam@1755 4343 uw_Basis_string uw_Basis_property(uw_context ctx, uw_Basis_string s) {
adam@1755 4344 char *p;
adam@1755 4345
adam@1755 4346 if (!*s)
adam@1755 4347 uw_error(ctx, FATAL, "Empty CSS property");
adam@1755 4348
adam@1801 4349 if (!islower((int)s[0]) && s[0] != '_')
adam@1755 4350 uw_error(ctx, FATAL, "Bad initial character in CSS property");
adam@1755 4351
adam@1755 4352 for (p = s; *p; ++p) {
adam@1755 4353 char c = *p;
adam@1801 4354 if (!islower((int)c) && !isdigit((int)c) && c != '_' && c != '-')
adam@1755 4355 uw_error(ctx, FATAL, "Disallowed character in CSS property");
adam@1755 4356 }
adam@1755 4357
adam@1755 4358 return s;
adam@1755 4359 }
adam@1787 4360
adam@1787 4361 uw_Basis_string uw_Basis_fieldName(uw_context ctx, uw_Basis_postField f) {
adam@1787 4362 return f.name;
adam@1787 4363 }
adam@1787 4364
adam@1787 4365 uw_Basis_string uw_Basis_fieldValue(uw_context ctx, uw_Basis_postField f) {
adam@1787 4366 return f.value;
adam@1787 4367 }
adam@1787 4368
adam@1787 4369 uw_Basis_string uw_Basis_remainingFields(uw_context ctx, uw_Basis_postField f) {
adam@1787 4370 return f.remaining;
adam@1787 4371 }
adam@1787 4372
adam@1787 4373 uw_Basis_postField *uw_Basis_firstFormField(uw_context ctx, uw_Basis_string s) {
adam@1788 4374 char *unurl;
adam@1787 4375 uw_Basis_postField *f;
adam@1787 4376
adam@1788 4377 if (!ctx->hasPostBody)
adam@1788 4378 uw_error(ctx, FATAL, "firstFormField called when there is no POST body");
adam@1788 4379
adam@1788 4380 if (s < ctx->postBody.data || s >= ctx->postBody.data + ctx->postBody.len)
adam@1787 4381 return NULL;
adam@1787 4382
adam@1787 4383 f = uw_malloc(ctx, sizeof(uw_Basis_postField));
adam@1788 4384 unurl = s;
adam@1787 4385 f->name = uw_Basis_unurlifyString(ctx, &unurl);
adam@1788 4386 s = strchr(s, 0);
adam@1788 4387 if (!s)
adam@1788 4388 uw_error(ctx, FATAL, "firstFormField: Missing null terminator");
adam@1788 4389 ++s;
adam@1788 4390 unurl = s;
adam@1788 4391 f->value = uw_Basis_unurlifyString(ctx, &unurl);
adam@1788 4392 s = strchr(s, 0);
adam@1788 4393 if (!s)
adam@1788 4394 uw_error(ctx, FATAL, "firstFormField: Missing null terminator");
adam@1788 4395 f->remaining = s+1;
adam@1787 4396
adam@1787 4397 return f;
adam@1787 4398 }