annotate src/c/urweb.c @ 2283:4afaab523213

Initialize invalidation to NULL!
author Ziv Scully <ziv@mit.edu>
date Thu, 12 Nov 2015 10:06:07 -0500
parents 19b233bb3176
children 472b4504aef2
rev   line source
adamc@1268 1 #include "config.h"
adamc@1268 2
adamc@117 3 #include <stdlib.h>
adamc@102 4 #include <stdio.h>
adamc@117 5 #include <string.h>
adamc@457 6 #include <strings.h>
adamc@106 7 #include <ctype.h>
adamc@167 8 #include <setjmp.h>
adamc@167 9 #include <stdarg.h>
adamc@682 10 #include <assert.h>
adamc@741 11 #include <ctype.h>
adamc@1114 12 #include <limits.h>
adamc@1113 13 #include <stdint.h>
adamc@1094 14 #include <sys/types.h>
adamc@1094 15 #include <sys/socket.h>
adam@1397 16 #include <openssl/des.h>
adam@1486 17 #include <openssl/rand.h>
adam@1374 18 #include <time.h>
adam@1571 19 #include <math.h>
adamc@102 20
adamc@667 21 #include <pthread.h>
adamc@667 22
adamc@102 23 #include "types.h"
adamc@102 24
ziv@2234 25 #include "uthash.h"
ziv@2234 26
adam@1431 27 uw_unit uw_unit_v = 0;
adamc@102 28
adamc@667 29
adamc@667 30 // Socket extras
adamc@667 31
adamc@863 32 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667 33 while (len > 0) {
adamc@856 34 ssize_t n = send(sock, buf, len, 0);
adamc@856 35
adamc@856 36 if (n < 0)
adamc@856 37 return n;
adamc@856 38
adamc@856 39 buf += n;
adamc@856 40 len -= n;
adamc@856 41 }
adamc@856 42
adamc@856 43 return 0;
adamc@856 44 }
adamc@856 45
adamc@856 46 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856 47 while (len > 0) {
adamc@856 48 ssize_t n = write(fd, buf, len);
adamc@667 49
adamc@667 50 if (n < 0)
adamc@667 51 return n;
adamc@667 52
adamc@667 53 buf += n;
adamc@667 54 len -= n;
adamc@667 55 }
adamc@667 56
adamc@667 57 return 0;
adamc@667 58 }
adamc@667 59
adamc@667 60
adamc@667 61 // Buffers
adamc@667 62
adam@1369 63 void uw_buffer_init(size_t max, uw_buffer *b, size_t s) {
adamc@1113 64 b->max = max;
adamc@667 65 b->front = b->start = malloc(s);
adamc@667 66 b->back = b->front + s;
adamc@667 67 }
adamc@667 68
adam@1369 69 void uw_buffer_free(uw_buffer *b) {
adamc@667 70 free(b->start);
adamc@667 71 }
adamc@667 72
adam@1369 73 void uw_buffer_reset(uw_buffer *b) {
adamc@667 74 b->front = b->start;
ziv@2262 75 if (b->front != b->back) {
ziv@2262 76 *b->front = 0;
ziv@2262 77 }
adamc@667 78 }
adamc@667 79
adam@1369 80 int uw_buffer_check(uw_buffer *b, size_t extra) {
adamc@667 81 if (b->back - b->front < extra) {
adamc@667 82 size_t desired = b->front - b->start + extra, next;
adamc@667 83 char *new_heap;
adamc@667 84
adamc@667 85 next = b->back - b->start;
adamc@667 86 if (next == 0)
adamc@667 87 next = 1;
adamc@667 88 for (; next < desired; next *= 2);
adamc@667 89
adamc@1134 90 if (next > b->max) {
adamc@1113 91 if (desired <= b->max)
adamc@1113 92 next = desired;
adamc@1113 93 else
adamc@1113 94 return 1;
adamc@1134 95 }
adamc@1113 96
adamc@667 97 new_heap = realloc(b->start, next);
adamc@667 98 b->front = new_heap + (b->front - b->start);
adamc@667 99 b->back = new_heap + next;
adamc@667 100 b->start = new_heap;
adamc@667 101 }
adamc@1113 102
adamc@1113 103 return 0;
adamc@1113 104 }
adamc@1113 105
adamc@1113 106 __attribute__((noreturn)) void uw_error(uw_context, failure_kind, const char *, ...);
adamc@1113 107
adam@1369 108 static void ctx_uw_buffer_check(uw_context ctx, const char *kind, uw_buffer *b, size_t extra) {
adam@1369 109 if (uw_buffer_check(b, extra))
adamc@1113 110 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@667 111 }
adamc@667 112
adam@1369 113 size_t uw_buffer_used(uw_buffer *b) {
adamc@667 114 return b->front - b->start;
adamc@667 115 }
adamc@667 116
adam@1369 117 size_t uw_buffer_avail(uw_buffer *b) {
adamc@667 118 return b->back - b->start;
adamc@667 119 }
adamc@667 120
adam@1369 121 int uw_buffer_append(uw_buffer *b, const char *s, size_t len) {
adam@1369 122 if (uw_buffer_check(b, len+1))
adamc@1113 123 return 1;
adamc@1113 124
adamc@1113 125 memcpy(b->front, s, len);
adamc@1113 126 b->front += len;
adamc@1113 127 *b->front = 0;
adamc@1113 128
adamc@1113 129 return 0;
adamc@1113 130 }
adamc@1113 131
adam@1369 132 static void ctx_uw_buffer_append(uw_context ctx, const char *kind, uw_buffer *b, const char *s, size_t len) {
adam@1369 133 ctx_uw_buffer_check(ctx, kind, b, len+1);
adamc@1113 134
adamc@668 135 memcpy(b->front, s, len);
adamc@668 136 b->front += len;
adamc@672 137 *b->front = 0;
adamc@668 138 }
adamc@667 139
adamc@668 140
adamc@672 141 // Persistent state types
adamc@667 142
adamc@667 143 typedef enum { UNUSED, USED } usage;
adamc@667 144
adamc@667 145 typedef struct client {
adamc@682 146 unsigned id;
adamc@667 147 usage mode;
adamc@682 148 int pass;
adamc@682 149 struct client *next;
adamc@689 150 pthread_mutex_t lock, pull_lock;
adam@1369 151 uw_buffer msgs;
adamc@682 152 int sock;
adamc@863 153 int (*send)(int sockfd, const void *buf, ssize_t len);
adamc@863 154 int (*close)(int fd);
adamc@682 155 time_t last_contact;
adamc@682 156 unsigned n_channels;
adamc@685 157 unsigned refcount;
adamc@1121 158 void *data;
adamc@667 159 } client;
adamc@667 160
adamc@672 161
adamc@672 162 // Persistent client state
adamc@672 163
adamc@682 164 static client **clients, *clients_free, *clients_used;
adamc@682 165 static unsigned n_clients;
adamc@667 166
adam@1707 167 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@1113 168 size_t uw_messages_max = SIZE_MAX;
adamc@1113 169 size_t uw_clients_max = SIZE_MAX;
adamc@1113 170
adamc@1121 171 void *uw_init_client_data();
adamc@1121 172 void uw_free_client_data(void *);
adamc@1121 173 void uw_copy_client_data(void *dst, void *src);
adamc@1121 174
adam@2104 175 static uw_Basis_int my_rand() {
adam@2105 176 int ret, r = RAND_bytes((unsigned char *)&ret, sizeof ret);
adam@2104 177 if (r)
adam@2105 178 return abs(ret);
adam@2104 179 else
adam@2104 180 return -1;
adam@2104 181 }
adam@2104 182
adamc@682 183 static client *new_client() {
adamc@667 184 client *c;
adamc@667 185
adamc@667 186 pthread_mutex_lock(&clients_mutex);
adamc@667 187
adamc@667 188 if (clients_free) {
adamc@667 189 c = clients_free;
adamc@682 190 clients_free = clients_free->next;
adamc@667 191 }
adam@1672 192 else if (n_clients >= uw_clients_max) {
adam@1672 193 pthread_mutex_unlock(&clients_mutex);
adamc@1113 194 return NULL;
adam@1672 195 } else {
adamc@667 196 ++n_clients;
adamc@667 197 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667 198 c = malloc(sizeof(client));
adamc@667 199 c->id = n_clients-1;
adamc@682 200 pthread_mutex_init(&c->lock, NULL);
adamc@689 201 pthread_mutex_init(&c->pull_lock, NULL);
adam@1369 202 uw_buffer_init(uw_messages_max, &c->msgs, 0);
adamc@667 203 clients[n_clients-1] = c;
adamc@667 204 }
adamc@667 205
adamc@682 206 pthread_mutex_lock(&c->lock);
adamc@667 207 c->mode = USED;
adam@2104 208 c->pass = my_rand();
adamc@682 209 c->sock = -1;
adamc@682 210 c->last_contact = time(NULL);
adam@1369 211 uw_buffer_reset(&c->msgs);
adamc@682 212 c->n_channels = 0;
adamc@685 213 c->refcount = 0;
adamc@1121 214 c->data = uw_init_client_data();
adamc@682 215 pthread_mutex_unlock(&c->lock);
adamc@682 216
adamc@682 217 c->next = clients_used;
adamc@682 218 clients_used = c;
adamc@667 219
adamc@667 220 pthread_mutex_unlock(&clients_mutex);
adamc@667 221
adamc@667 222 return c;
adamc@667 223 }
adamc@667 224
adamc@685 225 static void use_client(client *c) {
adamc@685 226 pthread_mutex_lock(&c->lock);
adamc@685 227 ++c->refcount;
adamc@685 228 pthread_mutex_unlock(&c->lock);
adamc@689 229 pthread_mutex_lock(&c->pull_lock);
adamc@685 230 }
adamc@685 231
adamc@685 232 static void release_client(client *c) {
adamc@689 233 pthread_mutex_unlock(&c->pull_lock);
adamc@685 234 pthread_mutex_lock(&c->lock);
adamc@685 235 --c->refcount;
adamc@685 236 pthread_mutex_unlock(&c->lock);
adamc@685 237 }
adamc@685 238
adamc@856 239 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adam@1707 240 static pthread_t pruning_thread;
adam@1707 241 static int pruning_thread_initialized = 0;
adamc@667 242
adamc@682 243 static client *find_client(unsigned id) {
adamc@667 244 client *c;
adam@1708 245 int i_am_pruner = pruning_thread_initialized && pthread_equal(pruning_thread, pthread_self());
adam@1708 246
adam@1708 247 if (!i_am_pruner) pthread_mutex_lock(&clients_mutex);
adamc@667 248
adamc@667 249 if (id >= n_clients) {
adam@1708 250 if (!i_am_pruner) pthread_mutex_unlock(&clients_mutex);
adamc@668 251 return NULL;
adamc@667 252 }
adamc@667 253
adamc@667 254 c = clients[id];
adamc@667 255
adam@1708 256 if (!i_am_pruner) pthread_mutex_unlock(&clients_mutex);
adamc@668 257 return c;
adamc@668 258 }
adamc@668 259
adamc@856 260 static char *on_success = "HTTP/1.1 200 OK\r\n";
adam@1409 261 static char *on_redirect = "HTTP/1.1 303 See Other\r\n";
adamc@856 262
adamc@856 263 void uw_set_on_success(char *s) {
adamc@856 264 on_success = s;
adamc@856 265 }
adamc@856 266
adam@1552 267 static void chastise(int (*send)(int sockfd, const void *buf, ssize_t len), int sock) {
adam@1552 268 send(sock, on_success, strlen(on_success));
adam@1552 269 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1552 270 send(sock, "R", 1);
adam@1552 271 close(sock);
adam@1552 272 }
adam@1552 273
adamc@863 274 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863 275 int (*send)(int sockfd, const void *buf, ssize_t len),
adamc@864 276 int (*close)(int fd),
adamc@864 277 void *logger_data, uw_logger log_error) {
adamc@682 278 client *c = find_client(id);
adamc@668 279
adamc@668 280 if (c == NULL) {
adam@1552 281 chastise(send, sock);
adamc@864 282 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667 283 return;
adamc@667 284 }
adamc@667 285
adamc@682 286 pthread_mutex_lock(&c->lock);
adamc@671 287
adamc@682 288 if (c->mode != USED) {
adamc@682 289 pthread_mutex_unlock(&c->lock);
adam@1552 290 chastise(send, sock);
adamc@864 291 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667 292 return;
adamc@667 293 }
adamc@667 294
adamc@682 295 if (pass != c->pass) {
adamc@682 296 pthread_mutex_unlock(&c->lock);
adam@1552 297 chastise(send, sock);
adamc@864 298 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682 299 return;
adamc@667 300 }
adamc@667 301
adamc@682 302 if (c->sock != -1) {
adamc@863 303 c->close(c->sock);
adamc@682 304 c->sock = -1;
adamc@682 305 }
adamc@667 306
adamc@682 307 c->last_contact = time(NULL);
adamc@682 308
adam@1369 309 if (uw_buffer_used(&c->msgs) > 0) {
adamc@863 310 send(sock, on_success, strlen(on_success));
adamc@863 311 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1369 312 send(sock, c->msgs.start, uw_buffer_used(&c->msgs));
adam@1369 313 uw_buffer_reset(&c->msgs);
adamc@667 314 close(sock);
adamc@667 315 }
adamc@863 316 else {
adamc@682 317 c->sock = sock;
adamc@863 318 c->send = send;
adamc@863 319 c->close = close;
adamc@863 320 }
adamc@667 321
adamc@682 322 pthread_mutex_unlock(&c->lock);
adamc@667 323 }
adamc@667 324
adamc@682 325 static void free_client(client *c) {
adamc@682 326 c->mode = UNUSED;
adamc@682 327 c->pass = -1;
adamc@667 328
adamc@682 329 c->next = clients_free;
adamc@682 330 clients_free = c;
adamc@667 331 }
adamc@667 332
adamc@682 333 static uw_Basis_channel new_channel(client *c) {
adamc@682 334 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668 335 return ch;
adamc@668 336 }
adamc@668 337
adam@1447 338 static void client_send(client *c, uw_buffer *msg, const char *script, int script_len) {
adamc@685 339 pthread_mutex_lock(&c->lock);
adamc@671 340
adamc@682 341 if (c->sock != -1) {
adamc@863 342 c->send(c->sock, on_success, strlen(on_success));
adamc@863 343 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1447 344 if (script_len > 0) {
adam@1447 345 c->send(c->sock, "E\n", 2);
adam@1447 346 c->send(c->sock, script, script_len);
adam@1447 347 c->send(c->sock, "\n", 1);
adam@1447 348 }
adam@1369 349 c->send(c->sock, msg->start, uw_buffer_used(msg));
adamc@863 350 c->close(c->sock);
adamc@682 351 c->sock = -1;
adam@1665 352 } else if (uw_buffer_append(&c->msgs, msg->start, uw_buffer_used(msg)))
adamc@1113 353 fprintf(stderr, "Client message buffer size exceeded");
adamc@671 354
adamc@685 355 pthread_mutex_unlock(&c->lock);
adamc@668 356 }
adamc@668 357
adamc@668 358
adamc@668 359 // Global entry points
adamc@668 360
adamc@1164 361 extern void uw_global_custom();
adamc@1104 362 extern void uw_init_crypto();
adamc@1104 363
adamc@668 364 void uw_global_init() {
adamc@668 365 clients = malloc(0);
adamc@1104 366
adamc@1164 367 uw_global_custom();
adamc@1104 368 uw_init_crypto();
adamc@1094 369 }
adamc@1094 370
adamc@1094 371 void uw_app_init(uw_app *app) {
adamc@1094 372 app->client_init();
adamc@668 373 }
adamc@668 374
adam@1332 375 int uw_time = 0, uw_time_max = 0, uw_min_heap = 0;
adamc@1114 376
adamc@668 377
adamc@667 378 // Single-request state
adamc@667 379
adamc@323 380 typedef struct regions {
adamc@323 381 struct regions *next;
adamc@323 382 } regions;
adamc@323 383
adamc@425 384 typedef struct {
adamc@425 385 void (*func)(void*);
adamc@425 386 void *arg;
adamc@425 387 } cleanup;
adamc@425 388
adamc@671 389 typedef struct {
adamc@682 390 unsigned client;
adam@1369 391 uw_buffer msgs;
adamc@682 392 } delta;
adamc@671 393
adamc@737 394 typedef enum {
adamc@759 395 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737 396 } input_kind;
adamc@737 397
adamc@756 398 typedef struct input {
adamc@737 399 input_kind kind;
adamc@737 400 union {
adamc@737 401 char *normal;
adamc@739 402 uw_Basis_file file;
adamc@756 403 struct {
adamc@759 404 struct input *fields, *parent;
adamc@756 405 } subform;
adamc@759 406 struct {
adamc@759 407 struct input *entries, *parent;
adamc@759 408 } subforms;
adamc@759 409 struct {
adamc@759 410 struct input *fields, *next, *parent;
adamc@759 411 } entry;
adamc@737 412 } data;
adamc@737 413 } input;
adamc@737 414
adamc@771 415 typedef struct {
adamc@771 416 void *data;
adam@1327 417 uw_callback commit, rollback;
adam@1327 418 uw_callback_with_retry free;
adamc@771 419 } transactional;
adamc@771 420
adamc@1061 421 typedef struct {
adamc@1061 422 char *name;
adamc@1061 423 void *data;
adamc@1061 424 void (*free)(void*);
adamc@1061 425 } global;
adamc@1061 426
ziv@2282 427 typedef struct uw_Sqlcache_Inval {
ziv@2282 428 uw_Sqlcache_Cache *cache;
ziv@2282 429 char **keys;
ziv@2282 430 struct uw_Sqlcache_Inval *next;
ziv@2282 431 } uw_Sqlcache_Inval;
ziv@2282 432
adamc@311 433 struct uw_context {
adamc@1094 434 uw_app *app;
adam@1446 435 int id;
adamc@1094 436
adamc@854 437 char *(*get_header)(void *, const char *);
adamc@854 438 void *get_header_data;
adamc@457 439
adam@1799 440 char *(*get_env)(void *, const char *);
adam@1799 441 void *get_env_data;
adam@1799 442
adam@1369 443 uw_buffer outHeaders, page, heap, script;
adam@1451 444 int allowed_to_return_indirectly, returning_indirectly;
adamc@759 445 input *inputs, *subinputs, *cur_container;
adamc@1094 446 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167 447
adam@1446 448 unsigned long long source_count;
adamc@562 449
adamc@272 450 void *db;
adam@1931 451 int transaction_started;
adamc@272 452
adamc@167 453 jmp_buf jmp_buf;
adamc@167 454
adamc@323 455 regions *regions;
adamc@323 456
adamc@425 457 cleanup *cleanup, *cleanup_front, *cleanup_back;
adamc@425 458
adamc@1094 459 const char *script_header;
adamc@643 460
adam@2056 461 int needs_push, needs_sig, could_write_db, at_most_one_query;
adamc@693 462
adamc@682 463 size_t n_deltas, used_deltas;
adamc@682 464 delta *deltas;
adamc@671 465
adamc@682 466 client *client;
adamc@682 467
adamc@771 468 transactional *transactionals;
adamc@771 469 size_t n_transactionals, used_transactionals;
adamc@771 470
adamc@1061 471 global *globals;
adamc@1061 472 size_t n_globals;
adamc@1061 473
adamc@1066 474 char *current_url;
adamc@1066 475
adamc@1114 476 int deadline;
adamc@1114 477
adamc@1121 478 void *client_data;
adamc@1121 479
grrwlf@1997 480 uw_loggers *loggers;
adam@1334 481
adam@1386 482 int isPost, hasPostBody;
adam@1347 483 uw_Basis_postBody postBody;
adam@1370 484 uw_Basis_string queryString;
adam@1347 485
adam@1556 486 unsigned nextId;
adam@1556 487
adam@1782 488 int amInitializing;
adam@1782 489
adamc@167 490 char error_message[ERROR_BUF_LEN];
adam@1877 491
adam@1877 492 int usedSig, needsResig;
adam@1949 493
adam@1949 494 char *output_buffer;
adam@1949 495 size_t output_buffer_size;
adam@2073 496
ziv@2281 497 // Sqlcache.
ziv@2262 498 int numRecording;
ziv@2262 499 int recordingOffset;
ziv@2282 500 uw_Sqlcache_Inval *inval;
ziv@2220 501
adam@2073 502 int remoteSock;
adamc@117 503 };
adamc@117 504
adamc@1113 505 size_t uw_headers_max = SIZE_MAX;
adamc@1113 506 size_t uw_page_max = SIZE_MAX;
adamc@1113 507 size_t uw_heap_max = SIZE_MAX;
adamc@1113 508 size_t uw_script_max = SIZE_MAX;
adamc@1113 509
grrwlf@1997 510 uw_context uw_init(int id, uw_loggers *lg) {
adamc@311 511 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 512
adamc@1094 513 ctx->app = NULL;
adam@1446 514 ctx->id = id;
adamc@1094 515
adamc@854 516 ctx->get_header = NULL;
adamc@854 517 ctx->get_header_data = NULL;
adamc@457 518
adam@1799 519 ctx->get_env = NULL;
adam@1799 520 ctx->get_env_data = NULL;
adam@1799 521
adam@1413 522 uw_buffer_init(uw_headers_max, &ctx->outHeaders, 1);
adam@1413 523 ctx->outHeaders.start[0] = 0;
adam@1413 524 uw_buffer_init(uw_page_max, &ctx->page, 1);
adam@1413 525 ctx->page.start[0] = 0;
adam@1451 526 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 527 uw_buffer_init(uw_heap_max, &ctx->heap, uw_min_heap);
adam@1369 528 uw_buffer_init(uw_script_max, &ctx->script, 1);
adamc@667 529 ctx->script.start[0] = 0;
adamc@136 530
adamc@1094 531 ctx->inputs = malloc(0);
adamc@759 532 ctx->cur_container = NULL;
adamc@756 533 ctx->subinputs = malloc(0);
adamc@1094 534 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 535
adamc@272 536 ctx->db = NULL;
adam@1931 537 ctx->transaction_started = 0;
adamc@272 538
adamc@323 539 ctx->regions = NULL;
adamc@323 540
adamc@425 541 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 542
adamc@643 543 ctx->script_header = "";
adamc@693 544 ctx->needs_push = 0;
adamc@736 545 ctx->needs_sig = 0;
adam@1936 546 ctx->could_write_db = 1;
adam@2056 547 ctx->at_most_one_query = 0;
adamc@1104 548
adamc@565 549 ctx->source_count = 0;
adamc@562 550
adamc@682 551 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 552 ctx->deltas = malloc(0);
adamc@671 553
adamc@700 554 ctx->client = NULL;
adamc@700 555
adamc@700 556 ctx->error_message[0] = 0;
adamc@700 557
adamc@771 558 ctx->transactionals = malloc(0);
adamc@771 559 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 560
adamc@1061 561 ctx->globals = malloc(0);
adamc@1061 562 ctx->n_globals = 0;
adamc@1061 563
adamc@1066 564 ctx->current_url = "";
adamc@1066 565
adamc@1114 566 ctx->deadline = INT_MAX;
adamc@1114 567
adamc@1121 568 ctx->client_data = uw_init_client_data();
adamc@1121 569
grrwlf@1997 570 ctx->loggers = lg;
adam@1334 571
adam@1386 572 ctx->isPost = ctx->hasPostBody = 0;
adam@1347 573
adam@1370 574 ctx->queryString = NULL;
adam@1370 575
adam@1556 576 ctx->nextId = 0;
adam@1556 577
adam@1782 578 ctx->amInitializing = 0;
adam@1782 579
adam@1877 580 ctx->usedSig = 0;
adam@1877 581 ctx->needsResig = 0;
adam@1877 582
adam@1949 583 ctx->output_buffer = malloc(1);
adam@1949 584 ctx->output_buffer_size = 1;
adam@1949 585
ziv@2262 586 ctx->numRecording = 0;
ziv@2262 587 ctx->recordingOffset = 0;
ziv@2283 588 ctx->inval = NULL;
ziv@2204 589
adam@2073 590 ctx->remoteSock = -1;
adam@2073 591
adamc@117 592 return ctx;
adamc@106 593 }
adamc@106 594
adamc@1113 595 size_t uw_inputs_max = SIZE_MAX;
adamc@1113 596
adamc@1121 597 uw_app *uw_get_app(uw_context ctx) {
adamc@1121 598 return ctx->app;
adamc@1121 599 }
adamc@1121 600
adamc@1113 601 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094 602 ctx->app = app;
adamc@1094 603
adamc@1105 604 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113 605 if (app->inputs_len > uw_inputs_max)
adamc@1113 606 return 1;
adamc@1113 607
adamc@1094 608 ctx->sz_inputs = app->inputs_len;
adamc@1094 609 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094 610 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094 611 }
adamc@1134 612
adamc@1134 613 return 0;
adamc@1094 614 }
adamc@1094 615
adamc@1121 616 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121 617 uw_copy_client_data(ctx->client_data, data);
adamc@1121 618 }
adamc@1121 619
adamc@311 620 void uw_set_db(uw_context ctx, void *db) {
adamc@272 621 ctx->db = db;
adamc@272 622 }
adamc@272 623
adamc@311 624 void *uw_get_db(uw_context ctx) {
adamc@272 625 return ctx->db;
adamc@272 626 }
adamc@272 627
grrwlf@1997 628
grrwlf@1997 629 uw_loggers* uw_get_loggers(struct uw_context *ctx) {
grrwlf@1997 630 return ctx->loggers;
grrwlf@1997 631 }
grrwlf@1997 632
adamc@311 633 void uw_free(uw_context ctx) {
adamc@671 634 size_t i;
adamc@671 635
adam@1369 636 uw_buffer_free(&ctx->outHeaders);
adam@1369 637 uw_buffer_free(&ctx->script);
adam@1369 638 uw_buffer_free(&ctx->page);
adam@1369 639 uw_buffer_free(&ctx->heap);
adamc@144 640 free(ctx->inputs);
adamc@756 641 free(ctx->subinputs);
adamc@425 642 free(ctx->cleanup);
adamc@771 643 free(ctx->transactionals);
adamc@1121 644 uw_free_client_data(ctx->client_data);
adamc@671 645
adamc@682 646 for (i = 0; i < ctx->n_deltas; ++i)
adam@1369 647 uw_buffer_free(&ctx->deltas[i].msgs);
marco-oweber@1330 648 free(ctx->deltas);
adamc@671 649
adamc@1061 650 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089 651 if (ctx->globals[i].free)
adamc@1089 652 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330 653 free(ctx->globals);
adamc@1061 654
adam@1949 655 free(ctx->output_buffer);
adam@1949 656
adamc@136 657 free(ctx);
adamc@136 658 }
adamc@136 659
adamc@562 660 void uw_reset_keep_error_message(uw_context ctx) {
adam@1369 661 uw_buffer_reset(&ctx->outHeaders);
adam@1369 662 uw_buffer_reset(&ctx->script);
adamc@667 663 ctx->script.start[0] = 0;
adam@1369 664 uw_buffer_reset(&ctx->page);
adam@1451 665 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 666 uw_buffer_reset(&ctx->heap);
adamc@323 667 ctx->regions = NULL;
adamc@425 668 ctx->cleanup_front = ctx->cleanup;
adamc@682 669 ctx->used_deltas = 0;
adamc@682 670 ctx->client = NULL;
adamc@759 671 ctx->cur_container = NULL;
adamc@771 672 ctx->used_transactionals = 0;
adamc@1117 673 ctx->script_header = "";
adam@1370 674 ctx->queryString = NULL;
adam@1556 675 ctx->nextId = 0;
adam@1782 676 ctx->amInitializing = 0;
adam@1877 677 ctx->usedSig = 0;
adam@1877 678 ctx->needsResig = 0;
adam@2073 679 ctx->remoteSock = -1;
adamc@167 680 }
adamc@167 681
adamc@562 682 void uw_reset_keep_request(uw_context ctx) {
adamc@562 683 uw_reset_keep_error_message(ctx);
adamc@562 684 ctx->error_message[0] = 0;
adamc@167 685 }
adamc@167 686
adamc@311 687 void uw_reset(uw_context ctx) {
adamc@311 688 uw_reset_keep_request(ctx);
adamc@1105 689 if (ctx->app)
adamc@1105 690 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756 691 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adam@1461 692 ctx->used_subinputs = ctx->hasPostBody = ctx->isPost = 0;
adam@1943 693 ctx->transaction_started = 0;
adamc@144 694 }
adamc@144 695
adamc@311 696 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 697 int r = setjmp(ctx->jmp_buf);
adamc@272 698
adamc@1105 699 if (r == 0 && ctx->app)
adamc@1094 700 ctx->app->db_init(ctx);
adamc@272 701
adamc@272 702 return r;
adamc@272 703 }
adamc@272 704
adamc@1118 705 void uw_close(uw_context ctx) {
adamc@1118 706 ctx->app->db_close(ctx);
adamc@1118 707 }
adamc@1118 708
adam@1446 709 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adam@1446 710 return ctx->get_header(ctx->get_header_data, h);
adam@1446 711 }
adam@1446 712
adamc@854 713 void uw_set_headers(uw_context ctx, char *(*get_header)(void *, const char *), void *get_header_data) {
adamc@854 714 ctx->get_header = get_header;
adamc@854 715 ctx->get_header_data = get_header_data;
adamc@742 716 }
adamc@742 717
adam@1799 718 void uw_set_env(uw_context ctx, char *(*get_env)(void *, const char *), void *get_env_data) {
adam@1799 719 ctx->get_env = get_env;
adam@1799 720 ctx->get_env_data = get_env_data;
adam@1799 721 }
adam@1799 722
adamc@801 723 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801 724 va_list ap;
adamc@801 725 va_start(ap, fmt);
adamc@801 726
adamc@801 727 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801 728 }
adamc@801 729
adamc@1131 730 int uw_has_error(uw_context ctx) {
adamc@1131 731 return ctx->error_message[0] != 0;
adamc@1131 732 }
adamc@1131 733
adamc@311 734 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 735 cleanup *cl;
adamc@425 736
adamc@167 737 va_list ap;
adamc@167 738 va_start(ap, fmt);
adamc@167 739
adamc@167 740 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 741
adamc@425 742 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 743 cl->func(cl->arg);
adamc@425 744
adamc@425 745 ctx->cleanup_front = ctx->cleanup;
adamc@425 746
adamc@190 747 longjmp(ctx->jmp_buf, fk);
adamc@167 748 }
adamc@167 749
adamc@1113 750 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113 751
adamc@425 752 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 753 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 754 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 755 if (len == 0)
adamc@425 756 newLen = 1;
adamc@425 757 else
adamc@428 758 newLen = len * 2;
adamc@1113 759
adamc@1134 760 if (newLen > uw_cleanup_max) {
adamc@1113 761 if (len+1 <= uw_cleanup_max)
adamc@1113 762 newLen = uw_cleanup_max;
adamc@1113 763 else
adamc@1113 764 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134 765 }
adamc@1113 766
adamc@470 767 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 768 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 769 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 770 }
adamc@425 771
adamc@425 772 ctx->cleanup_front->func = func;
adamc@425 773 ctx->cleanup_front->arg = arg;
adamc@425 774 ++ctx->cleanup_front;
adamc@425 775 }
adamc@425 776
adam@1444 777 char *uw_Basis_htmlifyString(uw_context, const char *);
adam@1444 778
adamc@682 779 void uw_login(uw_context ctx) {
adam@1942 780 char *id_s, *pass_s;
adam@1942 781
adam@1942 782 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adam@1942 783 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adam@1942 784 unsigned id = atoi(id_s);
adam@1942 785 int pass = atoi(pass_s);
adam@1942 786 client *c = find_client(id);
adam@1942 787
adam@1942 788 if (c == NULL)
adam@1942 789 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 790 else {
adamc@685 791 use_client(c);
adamc@682 792 ctx->client = c;
adam@1942 793
adam@1942 794 if (c->mode != USED)
adam@1942 795 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adam@1942 796 if (c->pass != pass)
adam@1942 797 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@864 798 }
adam@1942 799 } else if (ctx->needs_push) {
adam@1942 800 client *c = new_client();
adam@1942 801
adam@1942 802 if (c == NULL)
adam@1942 803 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adam@1942 804
adam@1942 805 use_client(c);
adam@1942 806 uw_copy_client_data(c->data, ctx->client_data);
adam@1942 807 ctx->client = c;
adamc@682 808 }
adamc@682 809 }
adamc@682 810
adamc@671 811 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671 812 int r = setjmp(ctx->jmp_buf);
adamc@671 813
adam@1931 814 if (r == 0)
adam@1931 815 ctx->app->handle(ctx, path);
adam@1931 816
adam@1931 817 return r;
adam@1931 818 }
adam@1931 819
adam@2176 820 static void uw_try_reconnecting(uw_context ctx) {
adam@2176 821 // Hm, error starting transaction.
adam@2176 822 // Maybe the database server died but has since come back up.
adam@2176 823 // Let's try starting from scratch.
adam@2176 824 if (ctx->db) {
adam@2176 825 ctx->app->db_close(ctx);
adam@2176 826 ctx->db = NULL;
adam@2176 827 }
adam@2176 828 ctx->app->db_init(ctx);
adam@2176 829 }
adam@2176 830
adam@2177 831 void uw_try_reconnecting_and_restarting(uw_context ctx) {
adam@2177 832 uw_try_reconnecting(ctx);
adam@2178 833 uw_error(ctx, BOUNDED_RETRY, "Restarting transaction after fixing database connection");
adam@2176 834 }
adam@2176 835
adam@1931 836 void uw_ensure_transaction(uw_context ctx) {
adam@2056 837 if (!ctx->transaction_started && !ctx->at_most_one_query) {
adam@2176 838 if (!ctx->db || ctx->app->db_begin(ctx, ctx->could_write_db)) {
adam@2176 839 uw_try_reconnecting(ctx);
adam@2176 840
adam@2176 841 if (ctx->app->db_begin(ctx, ctx->could_write_db))
adam@2176 842 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adam@2176 843 }
adam@2176 844
adam@1931 845 ctx->transaction_started = 1;
adam@2178 846 } else if (ctx->at_most_one_query && !ctx->db)
adam@2178 847 uw_try_reconnecting(ctx);
adamc@671 848 }
adamc@671 849
adamc@772 850 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682 851 if (ctx->client == NULL)
adamc@682 852 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682 853
adamc@682 854 return ctx->client->id;
adamc@682 855 }
adamc@682 856
adamc@425 857 void uw_pop_cleanup(uw_context ctx) {
adamc@425 858 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 859 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 860
adamc@425 861 --ctx->cleanup_front;
adamc@425 862 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 863 }
adamc@425 864
adamc@311 865 char *uw_error_message(uw_context ctx) {
adamc@167 866 return ctx->error_message;
adamc@167 867 }
adamc@167 868
adamc@1115 869 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115 870 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115 871 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115 872 }
adamc@1115 873
adamc@759 874 static input *INP(uw_context ctx) {
adamc@759 875 if (ctx->cur_container == NULL)
adamc@759 876 return ctx->inputs;
adamc@759 877 else if (ctx->cur_container->kind == SUBFORM)
adamc@759 878 return ctx->cur_container->data.subform.fields;
adamc@759 879 else if (ctx->cur_container->kind == ENTRY)
adamc@759 880 return ctx->cur_container->data.entry.fields;
adamc@759 881 else
adamc@760 882 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759 883 }
adamc@759 884
adamc@760 885 static void adjust_pointer(input **ptr, input *old_start, input *new_start, size_t len) {
adamc@760 886 if (*ptr != NULL && *ptr >= old_start && *ptr < old_start + len)
adamc@760 887 *ptr += new_start - old_start;
adamc@760 888 }
adamc@760 889
adamc@760 890 static void adjust_input(input *x, input *old_start, input *new_start, size_t len) {
adamc@759 891 switch (x->kind) {
adamc@759 892 case SUBFORM:
adamc@760 893 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760 894 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759 895 break;
adamc@759 896 case SUBFORMS:
adamc@760 897 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760 898 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759 899 break;
adamc@759 900 case ENTRY:
adamc@760 901 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760 902 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760 903 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134 904 break;
adamc@1134 905 default:
adamc@1134 906 break;
phurst@1981 907 }
adamc@759 908 }
adamc@759 909
adamc@1113 910 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113 911
adamc@759 912 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759 913 size_t i;
adamc@759 914 input *r;
adamc@759 915
adamc@759 916 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113 917 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113 918 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113 919
adamc@759 920 input *new_subinputs = realloc(ctx->subinputs, sizeof(input) * (ctx->used_subinputs + len));
adamc@759 921
adamc@760 922 if (ctx->subinputs != new_subinputs) {
adamc@760 923 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760 924 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094 925 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760 926 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 927
adamc@760 928 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 929
adamc@760 930 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760 931 ctx->subinputs = new_subinputs;
adamc@760 932 }
adamc@759 933 }
adamc@759 934
adamc@759 935 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759 936
adamc@759 937 for (i = 0; i < len; ++i)
adam@1474 938 ctx->subinputs[ctx->used_subinputs++].kind = UNSET;
adamc@759 939
adamc@759 940 return r;
adamc@759 941 }
adamc@756 942
adamc@801 943 int uw_set_input(uw_context ctx, const char *name, char *value) {
adamc@1050 944 //printf("Input name %s\n", name);
adamc@1038 945
adamc@756 946 if (!strcasecmp(name, ".b")) {
adamc@1094 947 int n = ctx->app->input_num(value);
adamc@756 948 input *inps;
adamc@756 949
adamc@801 950 if (n < 0) {
adam@1444 951 uw_set_error(ctx, "Bad subform name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 952 return -1;
adamc@801 953 }
adamc@801 954
adamc@1094 955 if (n >= ctx->app->inputs_len) {
adam@1444 956 uw_set_error(ctx, "For subform name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 957 return -1;
adamc@801 958 }
adamc@756 959
adamc@1094 960 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759 961
adamc@759 962 INP(ctx)[n].kind = SUBFORM;
adamc@759 963 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759 964 INP(ctx)[n].data.subform.fields = inps;
adamc@759 965 ctx->cur_container = &INP(ctx)[n];
adamc@756 966 } else if (!strcasecmp(name, ".e")) {
adamc@756 967 input *tmp;
adamc@756 968
adamc@801 969 if (ctx->cur_container == NULL) {
adamc@801 970 uw_set_error(ctx, "Unmatched subform closer");
adamc@801 971 return -1;
adamc@801 972 }
adamc@756 973
adamc@759 974 tmp = ctx->cur_container;
adamc@759 975 switch (tmp->kind) {
adamc@759 976 case SUBFORM:
adamc@759 977 ctx->cur_container = tmp->data.subform.parent;
adamc@759 978 tmp->data.subform.parent = NULL;
adamc@759 979 break;
adamc@759 980 case SUBFORMS:
adamc@759 981 ctx->cur_container = tmp->data.subforms.parent;
adamc@759 982 tmp->data.subforms.parent = NULL;
adamc@759 983 break;
adamc@759 984 case ENTRY:
adamc@759 985 ctx->cur_container = tmp->data.entry.parent;
adamc@759 986 break;
adamc@759 987 default:
adamc@801 988 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801 989 return -1;
adamc@759 990 }
adamc@759 991 } else if (!strcasecmp(name, ".s")) {
adamc@1094 992 int n = ctx->app->input_num(value);
adamc@759 993
adamc@801 994 if (n < 0) {
adam@1444 995 uw_set_error(ctx, "Bad subforms name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 996 return -1;
adamc@801 997 }
adamc@801 998
adamc@1094 999 if (n >= ctx->app->inputs_len) {
adam@1444 1000 uw_set_error(ctx, "For subforms name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 1001 return -1;
adamc@801 1002 }
adamc@759 1003
adamc@759 1004 INP(ctx)[n].kind = SUBFORMS;
adamc@759 1005 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 1006 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759 1007 ctx->cur_container = &INP(ctx)[n];
adamc@759 1008 } else if (!strcasecmp(name, ".i")) {
adamc@759 1009 input *inps;
adamc@759 1010
adamc@801 1011 if (!ctx->cur_container) {
adamc@801 1012 uw_set_error(ctx, "New entry without container");
adamc@801 1013 return -1;
adamc@801 1014 }
adamc@801 1015
adamc@801 1016 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801 1017 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801 1018 return -1;
adamc@801 1019 }
adamc@759 1020
adamc@1094 1021 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759 1022
adamc@759 1023 inps->kind = ENTRY;
adamc@759 1024 inps->data.entry.parent = ctx->cur_container;
adamc@759 1025 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759 1026 ctx->cur_container->data.subforms.entries = inps;
adamc@759 1027
adamc@759 1028 inps->data.entry.fields = inps+1;
adamc@759 1029 ctx->cur_container = inps;
adamc@756 1030 } else {
adamc@1094 1031 int n = ctx->app->input_num(name);
adamc@756 1032
adam@1384 1033 if (n < 0)
adam@1384 1034 return 0;
adamc@801 1035
adamc@1094 1036 if (n >= ctx->app->inputs_len) {
adam@1444 1037 uw_set_error(ctx, "For input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801 1038 return -1;
adamc@801 1039 }
adamc@756 1040
adamc@756 1041 INP(ctx)[n].kind = NORMAL;
adamc@756 1042 INP(ctx)[n].data.normal = value;
adamc@756 1043 }
adamc@801 1044
adamc@801 1045 return 0;
adamc@144 1046 }
adamc@144 1047
adamc@311 1048 char *uw_get_input(uw_context ctx, int n) {
adamc@169 1049 if (n < 0)
adamc@311 1050 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 1051 if (n >= ctx->app->inputs_len)
adamc@311 1052 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 1053
adamc@756 1054 switch (INP(ctx)[n].kind) {
adamc@737 1055 case UNSET:
adamc@737 1056 return NULL;
adamc@739 1057 case FIL:
adamc@739 1058 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 1059 case SUBFORM:
adamc@756 1060 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 1061 case SUBFORMS:
adamc@759 1062 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 1063 case ENTRY:
adamc@759 1064 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 1065 case NORMAL:
adamc@756 1066 return INP(ctx)[n].data.normal;
adamc@737 1067 default:
adamc@737 1068 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1069 }
adamc@138 1070 }
adamc@138 1071
adamc@311 1072 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 1073 if (n < 0)
adamc@311 1074 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 1075 if (n >= ctx->app->inputs_len)
adamc@311 1076 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 1077
adamc@756 1078 switch (INP(ctx)[n].kind) {
adamc@737 1079 case UNSET:
adamc@737 1080 return "";
adamc@739 1081 case FIL:
adamc@739 1082 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 1083 case SUBFORM:
adamc@756 1084 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 1085 case SUBFORMS:
adamc@759 1086 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 1087 case ENTRY:
adamc@759 1088 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 1089 case NORMAL:
adamc@756 1090 return INP(ctx)[n].data.normal;
adamc@737 1091 default:
adamc@737 1092 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1093 }
adamc@737 1094 }
adamc@737 1095
adamc@801 1096 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094 1097 int n = ctx->app->input_num(name);
adamc@737 1098
adamc@801 1099 if (n < 0) {
adam@2054 1100 uw_set_error(ctx, "Bad file input name");
adamc@801 1101 return -1;
adamc@801 1102 }
adamc@801 1103
adamc@1094 1104 if (n >= ctx->app->inputs_len) {
adam@2054 1105 uw_set_error(ctx, "For file input name, index %d is out of range", n);
adamc@801 1106 return -1;
adamc@801 1107 }
adamc@737 1108
adamc@739 1109 ctx->inputs[n].kind = FIL;
adamc@739 1110 ctx->inputs[n].data.file = f;
adamc@801 1111
adamc@801 1112 return 0;
adamc@737 1113 }
adamc@737 1114
adamc@739 1115 void *uw_malloc(uw_context ctx, size_t len);
adamc@739 1116
adamc@739 1117 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737 1118 if (n < 0)
adamc@737 1119 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094 1120 if (n >= ctx->app->inputs_len)
adamc@737 1121 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737 1122
adamc@756 1123 switch (INP(ctx)[n].kind) {
adamc@737 1124 case UNSET:
adamc@737 1125 {
adamc@739 1126 char *data = uw_malloc(ctx, 0);
adamc@740 1127 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739 1128 return f;
adamc@737 1129 }
adamc@739 1130 case FIL:
adamc@756 1131 return INP(ctx)[n].data.file;
adamc@737 1132 case NORMAL:
adamc@737 1133 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756 1134 case SUBFORM:
adamc@756 1135 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759 1136 case SUBFORMS:
adamc@759 1137 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759 1138 case ENTRY:
adamc@759 1139 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737 1140 default:
adamc@737 1141 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1142 }
adamc@190 1143 }
adamc@190 1144
adamc@756 1145 void uw_enter_subform(uw_context ctx, int n) {
adamc@756 1146 if (n < 0)
adamc@756 1147 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094 1148 if (n >= ctx->app->inputs_len)
adamc@756 1149 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756 1150
adamc@756 1151 switch (INP(ctx)[n].kind) {
adamc@756 1152 case UNSET:
adamc@756 1153 uw_error(ctx, FATAL, "Missing subform");
adamc@756 1154 case FIL:
adamc@756 1155 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756 1156 case NORMAL:
adamc@756 1157 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759 1158 case SUBFORMS:
adamc@759 1159 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759 1160 case ENTRY:
adamc@759 1161 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756 1162 case SUBFORM:
adamc@759 1163 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760 1164 ctx->cur_container = &INP(ctx)[n];
adamc@756 1165 return;
adamc@756 1166 default:
adamc@756 1167 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756 1168 }
adamc@756 1169 }
adamc@756 1170
adamc@756 1171 void uw_leave_subform(uw_context ctx) {
adamc@756 1172 input *tmp;
adamc@756 1173
adamc@759 1174 if (ctx->cur_container == NULL)
adamc@756 1175 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756 1176
adamc@759 1177 tmp = ctx->cur_container;
adamc@759 1178 ctx->cur_container = tmp->data.subform.parent;
adamc@759 1179 tmp->data.subform.parent = NULL;
adamc@759 1180 }
adamc@759 1181
adamc@759 1182 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759 1183 input *inps;
adamc@759 1184
adamc@759 1185 if (n < 0)
adamc@759 1186 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094 1187 if (n >= ctx->app->inputs_len)
adamc@759 1188 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759 1189
adamc@759 1190 switch (INP(ctx)[n].kind) {
adamc@759 1191 case UNSET:
adamc@759 1192 uw_error(ctx, FATAL, "Missing subforms");
adamc@759 1193 case FIL:
adamc@759 1194 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759 1195 case NORMAL:
adamc@759 1196 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759 1197 case SUBFORM:
adamc@759 1198 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759 1199 case ENTRY:
adamc@759 1200 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759 1201 case SUBFORMS:
adamc@759 1202 inps = INP(ctx)[n].data.subforms.entries;
adamc@759 1203 if (inps) {
adamc@759 1204 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 1205 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759 1206 return 1;
adamc@759 1207 } else
adamc@759 1208 return 0;
adamc@759 1209 default:
adamc@759 1210 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1211 }
adamc@759 1212 }
adamc@759 1213
adamc@759 1214 int uw_next_entry(uw_context ctx) {
adamc@759 1215 if (ctx->cur_container == NULL)
adamc@759 1216 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759 1217
adamc@759 1218 switch (ctx->cur_container->kind) {
adamc@759 1219 case UNSET:
adamc@759 1220 uw_error(ctx, FATAL, "Missing entry");
adamc@759 1221 case FIL:
adamc@759 1222 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759 1223 case NORMAL:
adamc@759 1224 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759 1225 case SUBFORM:
adamc@759 1226 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759 1227 case SUBFORMS:
adamc@759 1228 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759 1229 case ENTRY:
adamc@759 1230 if (ctx->cur_container->data.entry.next) {
adamc@759 1231 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759 1232 return 1;
adamc@759 1233 } else {
adamc@759 1234 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759 1235 return 0;
adamc@759 1236 }
adamc@759 1237 default:
adamc@759 1238 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1239 }
adamc@756 1240 }
adamc@756 1241
adamc@643 1242 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 1243 ctx->script_header = s;
adamc@643 1244 }
adamc@643 1245
adamc@1094 1246 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094 1247 return ctx->app->url_prefix;
adamc@667 1248 }
adamc@667 1249
adamc@693 1250 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693 1251 ctx->needs_push = n;
adamc@693 1252 }
adamc@693 1253
adamc@736 1254 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736 1255 ctx->needs_sig = n;
adamc@736 1256 }
adamc@736 1257
adam@1936 1258 void uw_set_could_write_db(uw_context ctx, int n) {
adam@1936 1259 ctx->could_write_db = n;
adam@1936 1260 }
adam@1936 1261
adam@2056 1262 void uw_set_at_most_one_query(uw_context ctx, int n) {
adam@2056 1263 ctx->at_most_one_query = n;
adam@2056 1264 }
adam@2056 1265
adamc@667 1266
adam@1369 1267 static void uw_buffer_check_ctx(uw_context ctx, const char *kind, uw_buffer *b, size_t extra, const char *desc) {
adamc@666 1268 if (b->back - b->front < extra) {
adamc@666 1269 size_t desired = b->front - b->start + extra, next;
adamc@136 1270 char *new_heap;
adamc@136 1271
adamc@666 1272 next = b->back - b->start;
adamc@317 1273 if (next == 0)
adamc@317 1274 next = 1;
adamc@317 1275 for (; next < desired; next *= 2);
adamc@136 1276
adamc@1134 1277 if (next > b->max) {
adamc@1113 1278 if (desired <= b->max)
adamc@1113 1279 next = desired;
adamc@1113 1280 else
adamc@1113 1281 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134 1282 }
adamc@1113 1283
adamc@666 1284 new_heap = realloc(b->start, next);
adamc@666 1285 b->front = new_heap + (b->front - b->start);
adamc@666 1286 b->back = new_heap + next;
adamc@136 1287
adamc@667 1288 if (new_heap != b->start) {
adamc@666 1289 b->start = new_heap;
adam@1389 1290 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously; increasing size to %llu", desc, (unsigned long long)next);
adamc@136 1291 }
adamc@136 1292
adamc@666 1293 b->start = new_heap;
adamc@136 1294 }
adamc@136 1295 }
adamc@136 1296
adamc@832 1297 void uw_check_heap(uw_context ctx, size_t extra) {
adam@1369 1298 uw_buffer_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666 1299 }
adamc@666 1300
adamc@832 1301 char *uw_heap_front(uw_context ctx) {
adamc@832 1302 return ctx->heap.front;
adamc@832 1303 }
adamc@832 1304
adamc@832 1305 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832 1306 ctx->heap.front = fr;
adamc@832 1307 }
adamc@832 1308
adam@1782 1309 void uw_begin_initializing(uw_context ctx) {
adam@1782 1310 ctx->amInitializing = 1;
adam@1782 1311 }
adam@1782 1312
adam@1782 1313 void uw_end_initializing(uw_context ctx) {
adam@1782 1314 ctx->amInitializing = 0;
adam@1782 1315 }
adam@1782 1316
adam@2013 1317 static void align_heap(uw_context ctx) {
adam@2013 1318 size_t posn = ctx->heap.front - ctx->heap.start;
adam@2013 1319
adam@2017 1320 if (posn % sizeof(void *) != 0) {
adam@2017 1321 size_t bump = sizeof(void *) - posn % sizeof(void *);
adam@2013 1322 uw_check_heap(ctx, bump);
adam@2013 1323 ctx->heap.front += bump;
adam@2013 1324 }
adam@2013 1325 }
adam@2013 1326
adamc@311 1327 void *uw_malloc(uw_context ctx, size_t len) {
adam@2013 1328 // On some architectures, it's important that all word-sized memory accesses
adam@2013 1329 // be to word-aligned addresses, so we'll do a little bit of extra work here
adam@2013 1330 // in anticipation of a possible word-aligned access to the address we'll
adam@2013 1331 // return.
adam@2013 1332
adamc@136 1333 void *result;
adamc@136 1334
adam@1782 1335 if (ctx->amInitializing) {
adam@2017 1336 int error = posix_memalign(&result, sizeof(void *), len);
adam@2013 1337
adam@2013 1338 if (!error)
adam@1782 1339 return result;
adam@1782 1340 else
adam@2013 1341 uw_error(ctx, FATAL, "uw_malloc: posix_memalign() returns %d", error);
adam@1782 1342 } else {
adam@2013 1343 align_heap(ctx);
adam@2013 1344
adam@1782 1345 uw_check_heap(ctx, len);
adam@1782 1346
adam@1782 1347 result = ctx->heap.front;
adam@1782 1348 ctx->heap.front += len;
adam@1782 1349 return result;
adam@1782 1350 }
adamc@117 1351 }
adamc@117 1352
adamc@323 1353 void uw_begin_region(uw_context ctx) {
adam@2013 1354 align_heap(ctx);
adam@2013 1355
adamc@666 1356 regions *r = (regions *) ctx->heap.front;
adamc@323 1357
adamc@323 1358 uw_check_heap(ctx, sizeof(regions));
adamc@323 1359
adamc@666 1360 ctx->heap.front += sizeof(regions);
adamc@323 1361
adamc@323 1362 r->next = ctx->regions;
adamc@323 1363 ctx->regions = r;
adamc@323 1364 }
adamc@323 1365
adamc@323 1366 void uw_end_region(uw_context ctx) {
adamc@323 1367 regions *r = ctx->regions;
adamc@323 1368
adamc@323 1369 if (r == NULL)
adamc@323 1370 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 1371
adamc@666 1372 ctx->heap.front = (char *) r;
adamc@323 1373 ctx->regions = r->next;
adamc@323 1374 }
adamc@323 1375
adamc@324 1376 void uw_memstats(uw_context ctx) {
adam@1369 1377 printf("Headers: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->outHeaders), (unsigned long)uw_buffer_avail(&ctx->outHeaders));
adam@1369 1378 printf("Script: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->script), (unsigned long)uw_buffer_avail(&ctx->script));
adam@1369 1379 printf("Page: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->page), (unsigned long)uw_buffer_avail(&ctx->page));
adam@1369 1380 printf("Heap: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->heap), (unsigned long)uw_buffer_avail(&ctx->heap));
adamc@324 1381 }
adamc@324 1382
adam@1915 1383 int uw_pagelen(uw_context ctx) {
adam@1915 1384 return ctx->page.front - ctx->page.start;
adam@1915 1385 }
adam@1915 1386
adamc@311 1387 int uw_send(uw_context ctx, int sock) {
adam@1949 1388 size_t target_length = (ctx->outHeaders.front - ctx->outHeaders.start) + 2 + (ctx->page.front - ctx->page.start);
adam@1949 1389
adam@1949 1390 if (ctx->output_buffer_size < target_length) {
adam@1949 1391 do {
adam@1949 1392 ctx->output_buffer_size *= 2;
adam@1949 1393 } while (ctx->output_buffer_size < target_length);
adam@1949 1394 ctx->output_buffer = realloc(ctx->output_buffer, ctx->output_buffer_size);
adam@1949 1395 }
adam@1949 1396
adam@1949 1397 memcpy(ctx->output_buffer, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adam@1949 1398 memcpy(ctx->output_buffer + (ctx->outHeaders.front - ctx->outHeaders.start), "\r\n", 2);
adam@1949 1399 memcpy(ctx->output_buffer + (ctx->outHeaders.front - ctx->outHeaders.start) + 2, ctx->page.start, ctx->page.front - ctx->page.start);
adam@1949 1400
adam@1949 1401 return uw_really_send(sock, ctx->output_buffer, target_length);
adamc@462 1402 }
adamc@462 1403
adamc@856 1404 int uw_print(uw_context ctx, int fd) {
adamc@856 1405 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856 1406
adamc@856 1407 if (n < 0)
adamc@856 1408 return n;
adamc@856 1409
adamc@856 1410 n = uw_really_write(fd, "\r\n", 2);
adamc@856 1411
adamc@856 1412 if (n < 0)
adamc@856 1413 return n;
adamc@856 1414
adamc@856 1415 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856 1416 }
adamc@856 1417
adamc@860 1418 int uw_output(uw_context ctx, int (*output)(void *data, char *buf, size_t len), void *data) {
adamc@860 1419 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860 1420
adamc@860 1421 if (n < 0)
adamc@860 1422 return n;
adamc@860 1423
adamc@860 1424 n = output(data, "\r\n", 2);
adamc@860 1425
adamc@860 1426 if (n < 0)
adamc@860 1427 return n;
adamc@860 1428
adamc@860 1429 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860 1430 }
adamc@860 1431
adamc@462 1432 static void uw_check_headers(uw_context ctx, size_t extra) {
adam@1369 1433 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462 1434 }
adamc@462 1435
adamc@462 1436 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 1437 int len = strlen(s);
adamc@462 1438
adamc@462 1439 uw_check_headers(ctx, len + 1);
adamc@666 1440 strcpy(ctx->outHeaders.front, s);
adamc@666 1441 ctx->outHeaders.front += len;
adamc@562 1442 }
adamc@562 1443
adam@1934 1444 int uw_has_contentLength(uw_context ctx) {
adam@1934 1445 return strstr(ctx->outHeaders.start, "Content-length: ") != NULL;
adam@1934 1446 }
adam@1934 1447
adamc@1110 1448 void uw_clear_headers(uw_context ctx) {
adam@1369 1449 uw_buffer_reset(&ctx->outHeaders);
adamc@1110 1450 }
adamc@1110 1451
adam@1932 1452 void uw_Basis_clear_page(uw_context ctx) {
adam@1932 1453 uw_buffer_reset(&ctx->page);
adam@1932 1454 }
adam@1932 1455
adamc@562 1456 static void uw_check_script(uw_context ctx, size_t extra) {
adam@1369 1457 ctx_uw_buffer_check(ctx, "script", &ctx->script, extra);
adamc@562 1458 }
adamc@562 1459
adamc@562 1460 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 1461 int len = strlen(s);
adamc@562 1462
adamc@562 1463 uw_check_script(ctx, len + 1);
adamc@666 1464 strcpy(ctx->script.front, s);
adamc@666 1465 ctx->script.front += len;
adamc@562 1466 }
adamc@562 1467
adam@1446 1468 const char *uw_get_real_script(uw_context ctx) {
adam@1671 1469 if (strstr(ctx->outHeaders.start, "Set-Cookie: ")) {
adam@1671 1470 uw_write_script(ctx, "sig=\"");
adam@1671 1471 uw_write_script(ctx, ctx->app->cookie_sig(ctx));
adam@1671 1472 uw_write_script(ctx, "\";");
adam@1671 1473 }
adam@1671 1474
adam@1446 1475 return ctx->script.start;
adam@1446 1476 }
adam@1446 1477
adamc@695 1478 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695 1479 if (s[0] == 0)
adamc@695 1480 return "";
adamc@695 1481 else {
adamc@695 1482 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695 1483 sprintf(r, " onload='%s'", s);
adamc@695 1484 return r;
adamc@695 1485 }
adamc@695 1486 }
adamc@695 1487
adamc@1042 1488 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042 1489 if (ctx->script_header[0] == 0)
adamc@1042 1490 return "";
adamc@1042 1491 else {
vshabanoff@1763 1492 char *r = uw_malloc(ctx, 37 + strlen(s));
vshabanoff@1763 1493 sprintf(r, " onunload='unloading=true;%s;unload()'", s);
adamc@1042 1494 return r;
adamc@1042 1495 }
adamc@1042 1496 }
adamc@1042 1497
adamc@694 1498 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736 1499 if (ctx->client == NULL) {
adamc@736 1500 if (ctx->needs_sig) {
adamc@1094 1501 char *sig = ctx->app->cookie_sig(ctx);
adamc@736 1502 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736 1503 sprintf(r, "sig=\"%s\";", sig);
adamc@736 1504 return r;
adamc@736 1505 }
adamc@736 1506 else
adamc@736 1507 return "";
adamc@736 1508 } else {
adamc@1094 1509 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094 1510 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736 1511 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adam@1552 1512 sprintf(r, "isPost=%s;client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adam@1552 1513 (ctx->isPost ? "true" : "false"),
adamc@682 1514 ctx->client->id,
adamc@682 1515 ctx->client->pass,
adamc@1094 1516 ctx->app->url_prefix,
adamc@1094 1517 ctx->app->timeout,
adamc@736 1518 ctx->needs_sig ? "sig=\"" : "",
adamc@736 1519 sig,
adamc@736 1520 ctx->needs_sig ? "\";" : "");
adamc@679 1521 return r;
adamc@668 1522 }
adamc@667 1523 }
adamc@667 1524
adamc@574 1525 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 1526 char *r, *s2;
adamc@574 1527
adam@1446 1528 uw_check_heap(ctx, strlen(s) * 4 + 3);
adamc@574 1529
adamc@666 1530 r = s2 = ctx->heap.front;
adamc@574 1531 *s2++ = '"';
adamc@574 1532
adamc@574 1533 for (; *s; s++) {
adam@1286 1534 unsigned char c = *s;
adamc@574 1535
adamc@574 1536 switch (c) {
adamc@574 1537 case '"':
adamc@574 1538 strcpy(s2, "\\\"");
adamc@574 1539 s2 += 2;
adamc@574 1540 break;
adamc@1027 1541 case '\'':
adamc@1027 1542 strcpy(s2, "\\047");
adamc@1027 1543 s2 += 4;
adamc@1027 1544 break;
adamc@574 1545 case '\\':
adamc@574 1546 strcpy(s2, "\\\\");
adamc@574 1547 s2 += 2;
adamc@574 1548 break;
adam@1457 1549 case '<':
adam@1457 1550 strcpy(s2, "\\074");
adam@1457 1551 s2 += 4;
adam@1457 1552 break;
adamc@574 1553 default:
adam@1286 1554 if (isprint((int)c) || c >= 128)
adamc@574 1555 *s2++ = c;
adamc@574 1556 else {
adam@1429 1557 sprintf(s2, "\\%03o", c);
adamc@574 1558 s2 += 4;
adamc@574 1559 }
adamc@574 1560 }
adamc@574 1561 }
adamc@574 1562
adamc@574 1563 strcpy(s2, "\"");
adamc@910 1564 ctx->heap.front = s2 + 2;
adamc@574 1565 return r;
adamc@574 1566 }
adamc@574 1567
adam@1286 1568 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286 1569 unsigned char c = c1;
adamc@1025 1570 char *r, *s2;
adamc@1025 1571
adam@1446 1572 uw_check_heap(ctx, 7);
adamc@1025 1573
adamc@1025 1574 r = s2 = ctx->heap.front;
adamc@1025 1575 *s2++ = '"';
adamc@1025 1576
adamc@1025 1577 switch (c) {
adamc@1025 1578 case '"':
adamc@1025 1579 strcpy(s2, "\\\"");
adamc@1025 1580 s2 += 2;
adamc@1025 1581 break;
adamc@1027 1582 case '\'':
adamc@1027 1583 strcpy(s2, "\\047");
adamc@1027 1584 s2 += 4;
adamc@1027 1585 break;
adamc@1025 1586 case '\\':
adamc@1025 1587 strcpy(s2, "\\\\");
adamc@1025 1588 s2 += 2;
adamc@1025 1589 break;
adam@1457 1590 case '<':
adam@1457 1591 strcpy(s2, "\\074");
adam@1457 1592 s2 += 4;
adam@1457 1593 break;
adamc@1025 1594 default:
adam@1286 1595 if (isprint((int)c) || c >= 128)
adamc@1025 1596 *s2++ = c;
adamc@1025 1597 else {
adam@1429 1598 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1025 1599 s2 += 4;
adamc@1025 1600 }
adamc@1025 1601 }
adamc@1025 1602
adamc@1025 1603 strcpy(s2, "\"");
adamc@1025 1604 ctx->heap.front = s2 + 2;
adamc@1025 1605 return r;
adamc@1025 1606 }
adamc@1025 1607
adamc@574 1608 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 1609 char *r, *s2;
adamc@574 1610
adam@1446 1611 uw_check_script(ctx, strlen(s) * 4 + 3);
adamc@574 1612
adamc@666 1613 r = s2 = ctx->script.front;
adamc@574 1614 *s2++ = '"';
adamc@574 1615
adamc@574 1616 for (; *s; s++) {
adam@1286 1617 unsigned char c = *s;
adamc@574 1618
adamc@574 1619 switch (c) {
adamc@577 1620 case '\'':
adamc@1027 1621 strcpy(s2, "\\");
adamc@574 1622 s2 += 2;
adamc@574 1623 break;
adamc@574 1624 case '\\':
adamc@574 1625 strcpy(s2, "\\\\");
adamc@574 1626 s2 += 2;
adamc@574 1627 break;
adam@1457 1628 case '<':
adam@1457 1629 strcpy(s2, "\\074");
adam@1457 1630 s2 += 4;
adam@1457 1631 break;
adamc@574 1632 default:
adam@1286 1633 if (isprint((int)c) || c >= 128)
adamc@574 1634 *s2++ = c;
adamc@574 1635 else {
adam@1429 1636 sprintf(s2, "\\%03o", c);
adamc@574 1637 s2 += 4;
adamc@574 1638 }
adamc@574 1639 }
adamc@574 1640 }
adamc@574 1641
adamc@574 1642 strcpy(s2, "\"");
adamc@666 1643 ctx->script.front = s2 + 1;
adamc@574 1644 return r;
adamc@574 1645 }
adamc@574 1646
adamc@682 1647 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1648 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1649 return "null";
adamc@682 1650 else {
adamc@682 1651 int len;
adamc@682 1652 char *r;
adamc@682 1653
adamc@682 1654 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1655 r = ctx->heap.front;
adamc@682 1656 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1657 ctx->heap.front += len+1;
adamc@682 1658 return r;
adamc@682 1659 }
adamc@682 1660 }
adamc@682 1661
adam@1446 1662 uw_Basis_source uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 1663 int len;
adamc@577 1664 size_t s_len = strlen(s);
adamc@562 1665
grrwlf@1998 1666 if(ctx->id < 0)
grrwlf@1998 1667 uw_error(ctx, FATAL, "Attempt to create client source using inappropriate context");
grrwlf@1998 1668
adam@1446 1669 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1670 sprintf(ctx->script.front, "s%d_%llu=sc(exec(%n", ctx->id, ctx->source_count, &len);
adamc@666 1671 ctx->script.front += len;
adamc@666 1672 strcpy(ctx->script.front, s);
adamc@666 1673 ctx->script.front += s_len;
adamc@970 1674 strcpy(ctx->script.front, "));");
adamc@972 1675 ctx->script.front += 3;
adamc@562 1676
adam@1446 1677 uw_Basis_source r = {ctx->id, ctx->source_count++};
adam@1446 1678 return r;
adam@1446 1679 }
adam@1446 1680
adam@1446 1681 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_source src, uw_Basis_string s) {
adamc@577 1682 int len;
adamc@577 1683 size_t s_len = strlen(s);
adamc@577 1684
adam@1446 1685 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1686 sprintf(ctx->script.front, "sv(s%d_%llu,exec(%n", src.context, src.source, &len);
adamc@666 1687 ctx->script.front += len;
adamc@666 1688 strcpy(ctx->script.front, s);
adamc@666 1689 ctx->script.front += s_len;
adamc@970 1690 strcpy(ctx->script.front, "));");
adamc@972 1691 ctx->script.front += 3;
adamc@577 1692
adamc@577 1693 return uw_unit_v;
adamc@577 1694 }
adamc@577 1695
adamc@311 1696 static void uw_check(uw_context ctx, size_t extra) {
adam@1369 1697 ctx_uw_buffer_check(ctx, "page", &ctx->page, extra);
adamc@117 1698 }
adamc@117 1699
adamc@311 1700 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 1701 *(ctx->page.front)++ = c;
adam@1413 1702 *ctx->page.front = 0;
adamc@117 1703 }
adamc@117 1704
adamc@311 1705 void uw_writec(uw_context ctx, char c) {
adam@1413 1706 uw_check(ctx, 2);
adamc@311 1707 uw_writec_unsafe(ctx, c);
adamc@117 1708 }
adamc@117 1709
adam@2085 1710 void uw_Basis_writec(uw_context ctx, char c) {
adam@2085 1711 uw_writec(ctx, c);
adam@2085 1712 }
adam@2085 1713
adamc@311 1714 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 1715 int len = strlen(s);
adamc@666 1716 memcpy(ctx->page.front, s, len);
adamc@666 1717 ctx->page.front += len;
adamc@117 1718 }
adamc@117 1719
adamc@311 1720 void uw_write(uw_context ctx, const char* s) {
adamc@311 1721 uw_check(ctx, strlen(s) + 1);
adamc@311 1722 uw_write_unsafe(ctx, s);
adamc@666 1723 *ctx->page.front = 0;
adamc@102 1724 }
adamc@106 1725
ziv@2204 1726 void uw_recordingStart(uw_context ctx) {
ziv@2262 1727 if (ctx->numRecording++ == 0) {
ziv@2262 1728 ctx->recordingOffset = ctx->page.front - ctx->page.start;
ziv@2262 1729 }
ziv@2204 1730 }
ziv@2204 1731
ziv@2204 1732 char *uw_recordingRead(uw_context ctx) {
ziv@2262 1733 // Only the outermost recorder can read unless the recording is empty.
ziv@2262 1734 char *recording = ctx->page.start + ctx->recordingOffset;
ziv@2262 1735 if (--ctx->numRecording > 0 && recording != ctx->page.front) {
ziv@2262 1736 return NULL;
ziv@2262 1737 }
ziv@2262 1738 return strdup(recording);
ziv@2204 1739 }
ziv@2204 1740
adamc@311 1741 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 1742 char *result;
adamc@136 1743 int len;
adamc@311 1744 uw_check_heap(ctx, INTS_MAX);
adamc@666 1745 result = ctx->heap.front;
adamc@276 1746 sprintf(result, "%lld%n", n, &len);
adamc@666 1747 ctx->heap.front += len+1;
adamc@136 1748 return result;
adamc@106 1749 }
adamc@106 1750
adamc@311 1751 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 1752 char *result;
adamc@136 1753 int len;
adamc@311 1754 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1755 result = ctx->heap.front;
adam@1920 1756 sprintf(result, "%.16g%n", n, &len);
adamc@666 1757 ctx->heap.front += len+1;
adamc@136 1758 return result;
adamc@106 1759 }
adamc@106 1760
adamc@311 1761 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 1762 int len = strlen(s);
adamc@136 1763 char *result, *p;
adamc@311 1764 uw_check_heap(ctx, len * 6 + 1);
adamc@136 1765
adamc@666 1766 result = p = ctx->heap.front;
adamc@136 1767
adamc@136 1768 for (; *s; s++) {
adamc@1054 1769 unsigned char c = *s;
adamc@136 1770
adamc@136 1771 if (c == '"') {
adamc@136 1772 strcpy(p, "&quot;");
adamc@136 1773 p += 6;
adamc@136 1774 } else if (c == '&') {
adamc@136 1775 strcpy(p, "&amp;");
adamc@136 1776 p += 5;
adamc@136 1777 }
adamc@1059 1778 else
adamc@136 1779 *p++ = c;
adamc@136 1780 }
adamc@136 1781
adamc@137 1782 *p++ = 0;
adamc@666 1783 ctx->heap.front = p;
adamc@136 1784 return result;
adamc@106 1785 }
adamc@106 1786
adamc@1011 1787 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 1788 char *result, *p;
adamc@1011 1789 uw_check_heap(ctx, 7);
adamc@1011 1790
adamc@1011 1791 result = p = ctx->heap.front;
adamc@1011 1792
adamc@1011 1793 if (c == '"') {
adamc@1011 1794 strcpy(p, "&quot;");
adamc@1011 1795 p += 6;
adamc@1011 1796 } else if (c == '&') {
adamc@1011 1797 strcpy(p, "&amp;");
adamc@1011 1798 p += 5;
adamc@1011 1799 }
adamc@1059 1800 else
adamc@1011 1801 *p++ = c;
adamc@1011 1802
adamc@1011 1803 *p++ = 0;
adamc@1011 1804 ctx->heap.front = p;
adamc@1011 1805 return result;
adamc@1011 1806 }
adamc@1011 1807
adamc@721 1808 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721 1809 return s;
adamc@721 1810 }
adamc@721 1811
adamc@311 1812 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 1813 int len;
adamc@117 1814
adamc@666 1815 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1816 ctx->page.front += len;
adamc@106 1817 }
adamc@106 1818
adamc@428 1819 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1820 uw_check(ctx, INTS_MAX);
adamc@311 1821 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 1822
adamc@428 1823 return uw_unit_v;
adamc@106 1824 }
adamc@106 1825
adamc@428 1826 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 1827 int len;
adamc@117 1828
adamc@311 1829 uw_check(ctx, FLOATS_MAX);
adamc@666 1830 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1831 ctx->page.front += len;
adamc@428 1832
adamc@428 1833 return uw_unit_v;
adamc@117 1834 }
adamc@117 1835
adamc@428 1836 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1837 uw_check(ctx, strlen(s) * 6);
adamc@117 1838
adamc@106 1839 for (; *s; s++) {
adamc@1054 1840 unsigned char c = *s;
adamc@106 1841
adamc@106 1842 if (c == '"')
adamc@311 1843 uw_write_unsafe(ctx, "&quot;");
adamc@136 1844 else if (c == '&')
adamc@311 1845 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1846 else
adamc@311 1847 uw_writec_unsafe(ctx, c);
adamc@106 1848 }
adamc@428 1849
adamc@428 1850 return uw_unit_v;
adamc@106 1851 }
adamc@120 1852
adamc@1011 1853 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011 1854 uw_check(ctx, 6);
adamc@1011 1855
adamc@1011 1856 if (c == '"')
adamc@1011 1857 uw_write_unsafe(ctx, "&quot;");
adamc@1011 1858 else if (c == '&')
adamc@1011 1859 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1860 else
adamc@1011 1861 uw_writec_unsafe(ctx, c);
adamc@1011 1862
adamc@1011 1863 return uw_unit_v;
adamc@1011 1864 }
adamc@1011 1865
adamc@120 1866
adamc@311 1867 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 1868 int len;
adamc@137 1869 char *r;
adamc@137 1870
adamc@311 1871 uw_check_heap(ctx, INTS_MAX);
adamc@666 1872 r = ctx->heap.front;
adamc@276 1873 sprintf(r, "%lld%n", n, &len);
adamc@666 1874 ctx->heap.front += len+1;
adamc@137 1875 return r;
adamc@120 1876 }
adamc@120 1877
adamc@682 1878 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1879 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1880 return "";
adamc@682 1881 else {
adamc@682 1882 int len;
adamc@682 1883 char *r;
adamc@679 1884
adamc@682 1885 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1886 r = ctx->heap.front;
adamc@682 1887 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1888 ctx->heap.front += len+1;
adamc@682 1889 return r;
adamc@682 1890 }
adamc@679 1891 }
adamc@679 1892
adamc@311 1893 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 1894 int len;
adamc@137 1895 char *r;
adamc@137 1896
adamc@311 1897 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1898 r = ctx->heap.front;
adamc@137 1899 sprintf(r, "%g%n", n, &len);
adamc@666 1900 ctx->heap.front += len+1;
adamc@137 1901 return r;
adamc@120 1902 }
adamc@120 1903
adamc@311 1904 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1905 char *r, *p;
adamc@137 1906
adamc@925 1907 if (s[0] == '\0')
adamc@925 1908 return "_";
adamc@925 1909
adamc@925 1910 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925 1911
adamc@925 1912 r = p = ctx->heap.front;
adamc@925 1913 if (s[0] == '_')
adamc@925 1914 *p++ = '_';
adamc@925 1915
adamc@925 1916 for (; *s; s++) {
adamc@1087 1917 unsigned char c = *s;
adamc@137 1918
adamc@137 1919 if (c == ' ')
adamc@137 1920 *p++ = '+';
adamc@137 1921 else if (isalnum(c))
adamc@137 1922 *p++ = c;
adamc@137 1923 else {
adamc@1259 1924 sprintf(p, ".%02X", c);
adamc@137 1925 p += 3;
adamc@137 1926 }
adamc@137 1927 }
adamc@137 1928
adamc@137 1929 *p++ = 0;
adamc@666 1930 ctx->heap.front = p;
adamc@137 1931 return r;
adamc@120 1932 }
adamc@120 1933
adamc@311 1934 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1935 if (b == uw_Basis_False)
adamc@186 1936 return "0";
adamc@186 1937 else
adamc@186 1938 return "1";
adamc@186 1939 }
adamc@186 1940
adam@1620 1941 char *uw_Basis_urlifySource(uw_context ctx, uw_Basis_source src) {
adam@1620 1942 char *r;
adam@1620 1943 int len;
adam@1620 1944 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1620 1945 r = ctx->heap.front;
adam@1620 1946 sprintf(r, "%d/%llu%n", src.context, src.source, &len);
adam@1620 1947 ctx->heap.front += len+1;
adam@1620 1948 return r;
adam@1620 1949 }
adam@1620 1950
adamc@311 1951 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1952 int len;
adamc@120 1953
adamc@666 1954 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1955 ctx->page.front += len;
adamc@120 1956 }
adamc@120 1957
adamc@428 1958 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1959 uw_check(ctx, INTS_MAX);
adamc@311 1960 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1961
adamc@428 1962 return uw_unit_v;
adamc@120 1963 }
adamc@120 1964
adamc@682 1965 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1966 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1967 int len;
phurst@1981 1968
adamc@682 1969 uw_check(ctx, INTS_MAX + 1);
adamc@682 1970 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1971 ctx->page.front += len;
adamc@682 1972 }
phurst@1981 1973
adamc@679 1974 return uw_unit_v;
adamc@679 1975 }
adamc@679 1976
adamc@428 1977 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1978 int len;
adamc@120 1979
adamc@311 1980 uw_check(ctx, FLOATS_MAX);
adamc@666 1981 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1982 ctx->page.front += len;
adamc@428 1983
adamc@428 1984 return uw_unit_v;
adamc@120 1985 }
adamc@120 1986
adamc@488 1987 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@1376 1988 return uw_Basis_urlifyInt(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adamc@488 1989 }
adamc@488 1990
adam@1404 1991 uw_unit uw_Basis_urlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1404 1992 return uw_Basis_urlifyInt_w(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adam@1404 1993 }
adam@1404 1994
adamc@428 1995 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925 1996 if (s[0] == '\0') {
adamc@925 1997 uw_check(ctx, 1);
adamc@925 1998 uw_writec_unsafe(ctx, '_');
adamc@925 1999 return uw_unit_v;
adamc@925 2000 }
adamc@925 2001
adamc@925 2002 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925 2003
adamc@925 2004 if (s[0] == '_')
adamc@925 2005 uw_writec_unsafe(ctx, '_');
adamc@120 2006
adamc@120 2007 for (; *s; s++) {
adamc@1087 2008 unsigned char c = *s;
adamc@120 2009
adamc@120 2010 if (c == ' ')
adamc@311 2011 uw_writec_unsafe(ctx, '+');
adamc@120 2012 else if (isalnum(c))
adamc@311 2013 uw_writec_unsafe(ctx, c);
adamc@120 2014 else {
adamc@1259 2015 sprintf(ctx->page.front, ".%02X", c);
adamc@666 2016 ctx->page.front += 3;
adamc@120 2017 }
adamc@120 2018 }
adamc@428 2019
adamc@428 2020 return uw_unit_v;
adamc@120 2021 }
adamc@120 2022
adamc@428 2023 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 2024 if (b == uw_Basis_False)
adamc@311 2025 uw_writec(ctx, '0');
adamc@186 2026 else
adamc@311 2027 uw_writec(ctx, '1');
adamc@428 2028
adamc@428 2029 return uw_unit_v;
adamc@186 2030 }
adamc@186 2031
adam@1620 2032 uw_unit uw_Basis_urlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1620 2033 int len;
phurst@1981 2034
adam@1620 2035 uw_check(ctx, 2 * INTS_MAX + 2);
adam@1620 2036 sprintf(ctx->page.front, "%d/%llu%n", src.context, src.source, &len);
adam@1620 2037 ctx->page.front += len;
phurst@1981 2038
adam@1620 2039 return uw_unit_v;
adam@1620 2040 }
adam@1620 2041
adamc@120 2042
adamc@311 2043 static char *uw_unurlify_advance(char *s) {
adamc@144 2044 char *new_s = strchr(s, '/');
adamc@120 2045
adamc@120 2046 if (new_s)
adamc@120 2047 *new_s++ = 0;
adamc@120 2048 else
adamc@144 2049 new_s = strchr(s, 0);
adamc@144 2050
adamc@144 2051 return new_s;
adamc@144 2052 }
adamc@144 2053
adamc@311 2054 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 2055 char *new_s = uw_unurlify_advance(*s);
adamc@311 2056 uw_Basis_int r;
adamc@120 2057
adamc@276 2058 r = atoll(*s);
adamc@120 2059 *s = new_s;
adamc@120 2060 return r;
adamc@120 2061 }
adamc@120 2062
adamc@311 2063 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 2064 char *new_s = uw_unurlify_advance(*s);
adamc@311 2065 uw_Basis_float r;
adamc@120 2066
adamc@120 2067 r = atof(*s);
adamc@120 2068 *s = new_s;
adamc@120 2069 return r;
adamc@120 2070 }
adamc@120 2071
adamc@488 2072 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adam@1365 2073 uw_Basis_int n = uw_Basis_unurlifyInt(ctx, s);
adam@1365 2074 uw_Basis_time r = {n / 1000000, n % 1000000};
adam@1365 2075 return r;
adamc@488 2076 }
adamc@488 2077
adamc@1023 2078 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char *r, char *s) {
adamc@927 2079 char *s1, *s2 = s;
adamc@144 2080 int n;
adamc@136 2081
adamc@1023 2082 if (!fromClient) {
adamc@1023 2083 if (*s2 == '_')
adamc@1023 2084 ++s2;
adamc@1259 2085 else if ((s2[0] == '%' || s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@1023 2086 s2 += 3;
adamc@1023 2087 }
adamc@925 2088
adamc@927 2089 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087 2090 unsigned char c = *s2;
adamc@136 2091
adamc@136 2092 switch (c) {
adamc@136 2093 case '+':
adamc@136 2094 *s1 = ' ';
adamc@136 2095 break;
adamc@136 2096 case '%':
adamc@169 2097 if (s2[1] == 0)
adamc@311 2098 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 2099 if (s2[2] == 0)
adamc@311 2100 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 2101 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 2102 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@136 2103 *s1 = n;
adamc@136 2104 s2 += 2;
adamc@136 2105 break;
adamc@1259 2106 case '.':
adamc@1259 2107 if (!fromClient) {
adamc@1259 2108 if (s2[1] == 0)
adamc@1259 2109 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259 2110 if (s2[2] == 0)
adamc@1259 2111 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259 2112 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 2113 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@1259 2114 *s1 = n;
adamc@1259 2115 s2 += 2;
adamc@1259 2116 break;
adamc@1259 2117 }
adamc@136 2118 default:
adamc@136 2119 *s1 = c;
adamc@136 2120 }
adamc@136 2121 }
adamc@136 2122 *s1++ = 0;
adamc@144 2123 return s1;
adamc@144 2124 }
adamc@144 2125
adamc@311 2126 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 2127 char *new_s = uw_unurlify_advance(*s);
adamc@311 2128 uw_Basis_bool r;
phurst@1981 2129
adamc@186 2130 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 2131 r = uw_Basis_False;
adamc@186 2132 else
adamc@311 2133 r = uw_Basis_True;
adamc@186 2134
adamc@186 2135 *s = new_s;
adamc@186 2136 return r;
adamc@186 2137 }
adamc@186 2138
adamc@311 2139 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 2140 char *new_s = uw_unurlify_advance(*s);
adamc@1134 2141 char *r;
adamc@1134 2142 int len;
adamc@144 2143
adamc@200 2144 len = strlen(*s);
adamc@311 2145 uw_check_heap(ctx, len + 1);
adamc@144 2146
adamc@666 2147 r = ctx->heap.front;
adamc@1023 2148 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023 2149 *s = new_s;
adamc@1023 2150 return r;
adamc@1023 2151 }
adamc@1023 2152
adamc@1109 2153 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109 2154 *s = uw_unurlify_advance(*s);
adamc@1109 2155 return uw_unit_v;
adamc@1109 2156 }
adamc@1109 2157
adamc@1023 2158 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023 2159 char *new_s = uw_unurlify_advance(*s);
adamc@1134 2160 char *r;
adamc@1134 2161 int len;
adamc@1023 2162
adamc@1023 2163 len = strlen(*s);
adamc@1023 2164 uw_check_heap(ctx, len + 1);
adamc@1023 2165
adamc@1023 2166 r = ctx->heap.front;
adamc@1023 2167 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136 2168 *s = new_s;
adamc@136 2169 return r;
adamc@120 2170 }
adamc@135 2171
adamc@135 2172
adamc@311 2173 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 2174 int len;
adamc@286 2175 char *r;
adamc@286 2176
adamc@311 2177 uw_check_heap(ctx, INTS_MAX);
adamc@666 2178 r = ctx->heap.front;
adamc@286 2179 sprintf(r, "%lld%n", n, &len);
adamc@666 2180 ctx->heap.front += len+1;
adamc@286 2181 return r;
adamc@286 2182 }
adamc@286 2183
adamc@428 2184 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 2185 int len;
adamc@286 2186
adamc@311 2187 uw_check(ctx, INTS_MAX);
adamc@666 2188 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 2189 ctx->page.front += len;
phurst@1981 2190
adamc@428 2191 return uw_unit_v;
adamc@286 2192 }
adamc@286 2193
adam@1358 2194 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358 2195 unsigned int n = ch;
adam@1358 2196 int len;
adam@1358 2197 char *r;
adam@1358 2198
adam@1358 2199 uw_check_heap(ctx, INTS_MAX+3);
adam@1358 2200 r = ctx->heap.front;
adam@1358 2201 sprintf(r, "&#%u;%n", n, &len);
adam@1358 2202 ctx->heap.front += len+1;
adam@1358 2203 return r;
adam@1358 2204 }
adam@1358 2205
adam@1358 2206 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358 2207 unsigned int n = ch;
adam@1358 2208 int len;
adam@1358 2209
adam@1358 2210 uw_check(ctx, INTS_MAX+3);
adam@1358 2211 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358 2212 ctx->page.front += len;
adam@1358 2213 return uw_unit_v;
adam@1358 2214 }
adam@1358 2215
adamc@311 2216 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 2217 int len;
adamc@286 2218 char *r;
adamc@286 2219
adamc@311 2220 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2221 r = ctx->heap.front;
adamc@286 2222 sprintf(r, "%g%n", n, &len);
adamc@666 2223 ctx->heap.front += len+1;
adamc@286 2224 return r;
adamc@286 2225 }
adamc@286 2226
adamc@428 2227 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 2228 int len;
adamc@286 2229
adamc@311 2230 uw_check(ctx, FLOATS_MAX);
adamc@666 2231 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 2232 ctx->page.front += len;
adamc@428 2233
adamc@428 2234 return uw_unit_v;
adamc@286 2235 }
adamc@286 2236
adam@1365 2237 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time t) {
adam@1360 2238 int len;
adam@1360 2239 char *r;
adam@1360 2240
adam@1360 2241 uw_check_heap(ctx, INTS_MAX);
adam@1360 2242 r = ctx->heap.front;
adamc@1377 2243 sprintf(r, "%lld%n", (uw_Basis_int)t.seconds * 1000000 + t.microseconds, &len);
adam@1360 2244 ctx->heap.front += len+1;
adam@1360 2245 return r;
adam@1360 2246 }
adam@1360 2247
adam@1365 2248 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_int n) {
adam@1360 2249 int len;
adam@1360 2250
adam@1360 2251 uw_check(ctx, INTS_MAX);
adam@1360 2252 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360 2253 ctx->page.front += len;
phurst@1981 2254
adam@1360 2255 return uw_unit_v;
adam@1360 2256 }
adam@1360 2257
adam@1444 2258 char *uw_Basis_htmlifyString(uw_context ctx, const char *s) {
adamc@137 2259 char *r, *s2;
adamc@137 2260
adamc@311 2261 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 2262
adamc@666 2263 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054 2264 unsigned char c = *s;
adamc@137 2265
adamc@137 2266 switch (c) {
adamc@137 2267 case '<':
adamc@137 2268 strcpy(s2, "&lt;");
adamc@137 2269 s2 += 4;
adamc@137 2270 break;
adamc@137 2271 case '&':
adamc@137 2272 strcpy(s2, "&amp;");
adamc@137 2273 s2 += 5;
adamc@137 2274 break;
adamc@137 2275 default:
adamc@1059 2276 *s2++ = c;
adamc@137 2277 }
adamc@137 2278 }
adamc@137 2279
adamc@137 2280 *s2++ = 0;
adamc@666 2281 ctx->heap.front = s2;
adamc@137 2282 return r;
adamc@135 2283 }
adamc@135 2284
adamc@428 2285 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 2286 uw_check(ctx, strlen(s) * 6);
adamc@135 2287
adamc@135 2288 for (; *s; s++) {
adamc@1054 2289 unsigned char c = *s;
adamc@135 2290
adamc@135 2291 switch (c) {
adamc@135 2292 case '<':
adamc@311 2293 uw_write_unsafe(ctx, "&lt;");
adamc@135 2294 break;
adamc@135 2295 case '&':
adamc@311 2296 uw_write_unsafe(ctx, "&amp;");
adamc@135 2297 break;
adamc@135 2298 default:
adamc@1059 2299 uw_writec_unsafe(ctx, c);
adamc@135 2300 }
adamc@135 2301 }
adamc@428 2302
adamc@428 2303 return uw_unit_v;
adamc@135 2304 }
adamc@180 2305
adamc@311 2306 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2307 if (b == uw_Basis_False)
adamc@286 2308 return "False";
adamc@286 2309 else
adamc@286 2310 return "True";
adamc@286 2311 }
adamc@286 2312
adamc@428 2313 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 2314 if (b == uw_Basis_False) {
adamc@311 2315 uw_check(ctx, 6);
adamc@666 2316 strcpy(ctx->page.front, "False");
adamc@666 2317 ctx->page.front += 5;
adamc@286 2318 } else {
adamc@311 2319 uw_check(ctx, 5);
adamc@666 2320 strcpy(ctx->page.front, "True");
adamc@666 2321 ctx->page.front += 4;
adamc@286 2322 }
adamc@428 2323
adamc@428 2324 return uw_unit_v;
adamc@286 2325 }
adamc@286 2326
adamc@436 2327 #define TIME_FMT "%x %X"
adamc@438 2328 #define TIME_FMT_PG "%Y-%m-%d %T"
adam@1632 2329 #define TIME_FMT_JS "%Y/%m/%d %T"
adamc@436 2330
adam@1629 2331 uw_Basis_string uw_Basis_timeToString(uw_context, uw_Basis_time);
adam@1629 2332
adamc@436 2333 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adam@1629 2334 return uw_Basis_htmlifyString(ctx, uw_Basis_timeToString(ctx, t));
adamc@436 2335 }
adamc@436 2336
adamc@436 2337 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1629 2338 return uw_Basis_htmlifyString_w(ctx, uw_Basis_timeToString(ctx, t));
adamc@436 2339 }
adamc@436 2340
adam@1446 2341 char *uw_Basis_htmlifySource(uw_context ctx, uw_Basis_source src) {
adam@1446 2342 int len;
adam@1446 2343 char *r;
adam@1446 2344
adam@1446 2345 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1446 2346 r = ctx->heap.front;
adam@1446 2347 sprintf(r, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2348 ctx->heap.front += len+1;
adam@1446 2349 return r;
adam@1446 2350 }
adam@1446 2351
adam@1446 2352 uw_unit uw_Basis_htmlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1446 2353 int len;
adam@1446 2354
adam@1446 2355 uw_check(ctx, 2 * INTS_MAX + 1);
adam@1446 2356 sprintf(ctx->page.front, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2357 ctx->page.front += len;
phurst@1981 2358
adam@1446 2359 return uw_unit_v;
adam@1446 2360 }
adam@1446 2361
adamc@821 2362 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2363 while (n >= 0) {
adam@1388 2364 if (*s == 0)
adam@1388 2365 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adam@1388 2366
adam@1388 2367 if (n == 0)
adam@1388 2368 return *s;
adam@1388 2369
adam@1388 2370 --n;
adam@1388 2371 ++s;
adam@1388 2372 }
adam@1388 2373
adam@1388 2374 uw_error(ctx, FATAL, "Negative strsub bound");
adamc@821 2375 }
adamc@821 2376
adamc@821 2377 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2378 while (n >= 0) {
adam@1388 2379 if (*s == 0 || n == 0)
adam@1388 2380 return s;
adam@1388 2381
adam@1388 2382 --n;
adam@1388 2383 ++s;
adam@1388 2384 }
adam@1388 2385
adam@1388 2386 uw_error(ctx, FATAL, "Negative strsuffix bound");
adamc@821 2387 }
adamc@821 2388
adamc@828 2389 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 2390 return strlen(s);
adamc@828 2391 }
adamc@828 2392
adam@1388 2393 uw_Basis_bool uw_Basis_strlenGe(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2394 while (n > 0) {
adam@1388 2395 if (*s == 0)
adam@1388 2396 return uw_Basis_False;
adam@1388 2397
adam@1388 2398 --n;
adam@1388 2399 ++s;
adam@1388 2400 }
adam@1388 2401
adam@1388 2402 return uw_Basis_True;
adam@1388 2403 }
adam@1388 2404
adamc@829 2405 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2406 return strchr(s, ch);
adamc@829 2407 }
adamc@829 2408
adamc@831 2409 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 2410 return strcspn(s, chs);
adamc@831 2411 }
adamc@831 2412
adamc@829 2413 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2414 uw_Basis_string r = strchr(s, ch);
adamc@829 2415 if (r == NULL)
adamc@829 2416 return NULL;
adamc@829 2417 else {
adamc@829 2418 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 2419 *nr = r - s;
adamc@829 2420 return nr;
adamc@829 2421 }
adamc@829 2422 }
adamc@829 2423
adam@1390 2424 uw_Basis_int *uw_Basis_strsindex(uw_context ctx, const char *haystack, const char *needle) {
adam@1390 2425 uw_Basis_string r = strstr(haystack, needle);
adam@1390 2426 if (r == NULL)
adam@1390 2427 return NULL;
adam@1390 2428 else {
adam@1390 2429 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adam@1390 2430 *nr = r - haystack;
adam@1390 2431 return nr;
adam@1390 2432 }
adam@1390 2433 }
adam@1390 2434
adamc@311 2435 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 2436 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 2437 char *s;
adamc@180 2438
adamc@311 2439 uw_check_heap(ctx, len);
adamc@180 2440
adamc@666 2441 s = ctx->heap.front;
adamc@180 2442
adamc@180 2443 strcpy(s, s1);
adamc@180 2444 strcat(s, s2);
adamc@666 2445 ctx->heap.front += len;
adamc@180 2446
adamc@180 2447 return s;
adamc@180 2448 }
adamc@278 2449
adamc@829 2450 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 2451 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 2452
adamc@829 2453 if (start < 0)
adamc@829 2454 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 2455 if (len < 0)
adamc@829 2456 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 2457 if (start + len > full_len)
adamc@829 2458 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 2459
adamc@829 2460 if (start + len == full_len)
adamc@829 2461 return &s[start];
adamc@829 2462 else {
adamc@829 2463 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 2464 memcpy(r, s+start, len);
adamc@829 2465 r[len] = 0;
adamc@829 2466 return r;
adamc@829 2467 }
phurst@1981 2468
adamc@829 2469 }
adamc@829 2470
adamc@1023 2471 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023 2472 char *r;
adamc@1023 2473
adamc@1023 2474 uw_check_heap(ctx, 2);
adamc@1023 2475 r = ctx->heap.front;
adamc@1023 2476 r[0] = ch;
adamc@1023 2477 r[1] = 0;
adamc@1023 2478
adamc@1023 2479 ctx->heap.front += 2;
adamc@1023 2480
adamc@1023 2481 return r;
adamc@1023 2482 }
adamc@1023 2483
adamc@737 2484 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 2485 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 2486 char *s;
adamc@278 2487
adamc@311 2488 uw_check_heap(ctx, len);
adamc@278 2489
adamc@666 2490 s = ctx->heap.front;
adamc@278 2491
adamc@278 2492 strcpy(s, s1);
adamc@666 2493 ctx->heap.front += len;
adamc@278 2494
adamc@278 2495 return s;
adamc@278 2496 }
adamc@280 2497
adam@1295 2498 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295 2499 if (ctx->error_message[0]) {
adam@1295 2500 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295 2501 ctx->error_message[0] = 0;
adam@1295 2502 return s;
adam@1295 2503 } else
adam@1295 2504 return NULL;
adam@1295 2505 }
adam@1295 2506
adamc@737 2507 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 2508 if (s1)
adamc@737 2509 return uw_strdup(ctx, s1);
adamc@493 2510 else
adamc@493 2511 return NULL;
adamc@493 2512 }
adamc@493 2513
adamc@742 2514 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 2515 char *r = uw_malloc(ctx, len);
adamc@742 2516 memcpy(r, p, len);
adamc@742 2517 return r;
adamc@742 2518 }
adamc@280 2519
adamc@879 2520 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 2521
adamc@311 2522 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 2523 int len;
adamc@281 2524 char *r;
adamc@281 2525
adamc@311 2526 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 2527 r = ctx->heap.front;
adamc@879 2528 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 2529 ctx->heap.front += len+1;
adamc@281 2530 return r;
adamc@281 2531 }
adamc@281 2532
adamc@467 2533 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 2534 if (n == NULL)
adamc@467 2535 return "NULL";
adamc@467 2536 else
adamc@467 2537 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 2538 }
adamc@467 2539
adam@1920 2540 char *uw_sqlfmtFloat = "%.16g::float8%n";
adamc@879 2541
adamc@311 2542 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 2543 int len;
adamc@281 2544 char *r;
adamc@281 2545
adamc@311 2546 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 2547 r = ctx->heap.front;
adamc@879 2548 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 2549 ctx->heap.front += len+1;
adamc@281 2550 return r;
adamc@281 2551 }
adamc@281 2552
adamc@467 2553 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 2554 if (n == NULL)
adamc@467 2555 return "NULL";
adamc@467 2556 else
adamc@467 2557 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 2558 }
adamc@467 2559
adam@1834 2560 int uw_Estrings = 1, uw_sql_type_annotations = 1;
adamc@879 2561 char *uw_sqlsuffixString = "::text";
adamc@1011 2562 char *uw_sqlsuffixChar = "::char";
adamc@281 2563
adamc@311 2564 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 2565 char *r, *s2;
adamc@280 2566
adamc@879 2567 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 2568
adamc@666 2569 r = s2 = ctx->heap.front;
adamc@879 2570 if (uw_Estrings)
adamc@879 2571 *s2++ = 'E';
adamc@280 2572 *s2++ = '\'';
adamc@280 2573
adamc@280 2574 for (; *s; s++) {
adamc@280 2575 char c = *s;
adamc@280 2576
adamc@280 2577 switch (c) {
adamc@280 2578 case '\'':
adamc@885 2579 if (uw_Estrings)
adamc@885 2580 strcpy(s2, "\\'");
adamc@885 2581 else
adamc@885 2582 strcpy(s2, "''");
adamc@280 2583 s2 += 2;
adamc@280 2584 break;
adamc@280 2585 case '\\':
adamc@885 2586 if (uw_Estrings) {
adamc@885 2587 strcpy(s2, "\\\\");
adamc@885 2588 s2 += 2;
adamc@885 2589 } else
adamc@885 2590 *s2++ = '\\';
adamc@280 2591 break;
adamc@280 2592 default:
adamc@1150 2593 if (isprint((int)c))
adamc@280 2594 *s2++ = c;
adamc@879 2595 else if (uw_Estrings) {
adam@1857 2596 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@280 2597 s2 += 4;
adamc@280 2598 }
adamc@879 2599 else
adam@1689 2600 *s2++ = c; // I hope this is safe to do... don't know how to support UTF-8 outside Postgres otherwise!
adamc@280 2601 }
adamc@280 2602 }
adamc@280 2603
adamc@879 2604 *s2++ = '\'';
adamc@879 2605 strcpy(s2, uw_sqlsuffixString);
adamc@879 2606 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2607 return r;
adamc@280 2608 }
adamc@281 2609
adamc@1011 2610 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 2611 char *r, *s2;
adamc@1011 2612
adamc@1011 2613 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011 2614
adamc@1011 2615 r = s2 = ctx->heap.front;
adamc@1011 2616 if (uw_Estrings)
adamc@1011 2617 *s2++ = 'E';
adamc@1011 2618 *s2++ = '\'';
adamc@1011 2619
adamc@1011 2620 switch (c) {
adamc@1011 2621 case '\'':
adamc@1011 2622 if (uw_Estrings)
adamc@1011 2623 strcpy(s2, "\\'");
adamc@1011 2624 else
adamc@1011 2625 strcpy(s2, "''");
adamc@1011 2626 s2 += 2;
adamc@1011 2627 break;
adamc@1011 2628 case '\\':
adamc@1011 2629 if (uw_Estrings) {
adamc@1011 2630 strcpy(s2, "\\\\");
adamc@1011 2631 s2 += 2;
adamc@1011 2632 } else
adamc@1011 2633 *s2++ = '\\';
adamc@1011 2634 break;
adamc@1011 2635 default:
adamc@1150 2636 if (isprint((int)c))
adamc@1011 2637 *s2++ = c;
adamc@1011 2638 else if (uw_Estrings) {
adam@1857 2639 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1011 2640 s2 += 4;
adamc@1011 2641 }
adamc@1011 2642 else
adamc@1011 2643 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011 2644 }
adamc@1011 2645
adamc@1011 2646 *s2++ = '\'';
adamc@1011 2647 strcpy(s2, uw_sqlsuffixChar);
adamc@1011 2648 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011 2649 return r;
adamc@1011 2650 }
adamc@1011 2651
adamc@879 2652 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2653
adam@1867 2654 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2655 char *r, *s2;
adamc@737 2656 size_t i;
adamc@737 2657
adam@1867 2658 uw_check_heap(ctx, b.size * 5 + 4 + strlen(uw_sqlsuffixBlob));
adamc@737 2659
adamc@737 2660 r = s2 = ctx->heap.front;
adamc@879 2661 if (uw_Estrings)
adamc@879 2662 *s2++ = 'E';
adam@1867 2663 else
adam@1867 2664 *s2++ = 'X';
adamc@737 2665 *s2++ = '\'';
adamc@737 2666
adamc@737 2667 for (i = 0; i < b.size; ++i) {
adam@1867 2668 unsigned char c = b.data[i];
adam@1867 2669
adam@1867 2670 if (uw_Estrings) {
adam@1867 2671 switch (c) {
adam@1867 2672 case '\'':
adamc@885 2673 strcpy(s2, "\\'");
adam@1867 2674 s2 += 2;
adam@1867 2675 break;
adam@1867 2676 case '\\':
adamc@885 2677 strcpy(s2, "\\\\\\\\");
adamc@885 2678 s2 += 4;
adam@1867 2679 break;
adam@1867 2680 default:
adam@1867 2681 if (isprint((int)c))
adam@1867 2682 *s2++ = c;
adam@1867 2683 else {
adam@1867 2684 sprintf(s2, "\\\\%03o", c);
adam@1867 2685 s2 += 5;
adam@1867 2686 }
adamc@737 2687 }
adam@1867 2688 } else {
adam@1867 2689 sprintf(s2, "%02X", c);
adam@1867 2690 s2 += 2;
adamc@737 2691 }
phurst@1981 2692 }
adamc@737 2693
adamc@879 2694 *s2++ = '\'';
adamc@879 2695 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2696 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2697 return r;
adamc@737 2698 }
adamc@737 2699
adamc@682 2700 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2701 int len;
adamc@682 2702 char *r;
adamc@682 2703 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2704
adamc@682 2705 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2706 r = ctx->heap.front;
adamc@879 2707 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2708 ctx->heap.front += len+1;
adamc@682 2709 return r;
adamc@682 2710 }
adamc@682 2711
adamc@682 2712 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2713 int len;
adamc@682 2714 char *r;
adamc@682 2715 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2716
adamc@682 2717 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2718 r = ctx->heap.front;
adamc@682 2719 sprintf(r, "%lld%n", combo, &len);
adamc@682 2720 ctx->heap.front += len+1;
adamc@682 2721 return r;
adamc@682 2722 }
adamc@682 2723
adamc@879 2724 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2725
adamc@682 2726 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2727 int len;
adamc@682 2728 char *r;
adamc@682 2729
adamc@682 2730 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2731 r = ctx->heap.front;
adamc@879 2732 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2733 ctx->heap.front += len+1;
adamc@682 2734 return r;
adamc@682 2735 }
adamc@682 2736
adamc@682 2737 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2738 int len;
adamc@682 2739 char *r;
adamc@682 2740
adamc@682 2741 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2742 r = ctx->heap.front;
adamc@682 2743 sprintf(r, "%u%n", cli, &len);
adamc@682 2744 ctx->heap.front += len+1;
adamc@682 2745 return r;
adamc@682 2746 }
adamc@682 2747
adamc@467 2748 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2749 if (s == NULL)
adamc@467 2750 return "NULL";
adamc@467 2751 else
adamc@467 2752 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2753 }
adamc@467 2754
adamc@311 2755 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2756 if (b == uw_Basis_False)
adamc@281 2757 return "FALSE";
adamc@281 2758 else
adamc@281 2759 return "TRUE";
adamc@281 2760 }
adamc@282 2761
adamc@467 2762 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2763 if (b == NULL)
adamc@467 2764 return "NULL";
adamc@467 2765 else
adamc@467 2766 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2767 }
adamc@467 2768
adamc@439 2769 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2770 size_t len;
adamc@682 2771 char *r, *s;
adam@1392 2772 struct tm stm = {};
adam@1392 2773 stm.tm_isdst = -1;
adamc@682 2774
adam@1365 2775 if (localtime_r(&t.seconds, &stm)) {
adamc@682 2776 s = uw_malloc(ctx, TIMES_MAX);
adam@1364 2777 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1834 2778 if (uw_sql_type_annotations) {
adam@1834 2779 if (t.microseconds) {
adam@1834 2780 r = uw_malloc(ctx, len + 21);
adam@1834 2781 sprintf(r, "'%s.%06u'::timestamp", s, t.microseconds);
adam@1834 2782 } else {
adam@1834 2783 r = uw_malloc(ctx, len + 14);
adam@1834 2784 sprintf(r, "'%s'::timestamp", s);
adam@1834 2785 }
adam@1367 2786 } else {
adam@1834 2787 r = uw_malloc(ctx, len + 3);
adam@1834 2788 sprintf(r, "'%s'", s);
adam@1367 2789 }
adamc@682 2790 return r;
adamc@682 2791 } else
adamc@682 2792 return "<Invalid time>";
adamc@682 2793 }
adamc@682 2794
adamc@682 2795 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2796 size_t len;
adamc@439 2797 char *r;
adam@1392 2798 struct tm stm = {};
adam@1392 2799 stm.tm_isdst = -1;
adamc@439 2800
adam@1365 2801 if (localtime_r(&t.seconds, &stm)) {
adamc@439 2802 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2803 r = ctx->heap.front;
adamc@439 2804 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2805 ctx->heap.front += len+1;
adamc@439 2806 return r;
adamc@439 2807 } else
adamc@439 2808 return "<Invalid time>";
adamc@439 2809 }
adamc@439 2810
adam@1364 2811 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364 2812 size_t len;
adam@1364 2813 char *r;
adam@1392 2814 struct tm stm = {};
adam@1392 2815 stm.tm_isdst = -1;
adam@1364 2816
adam@1365 2817 if (localtime_r(&t.seconds, &stm)) {
adam@1364 2818 uw_check_heap(ctx, TIMES_MAX);
adam@1364 2819 r = ctx->heap.front;
adam@1365 2820 len = strftime(r, TIMES_MAX-7, TIME_FMT_PG, &stm);
adam@1365 2821 ctx->heap.front += len;
adam@1365 2822 sprintf(ctx->heap.front, ".%06u", t.microseconds);
adam@1365 2823 ctx->heap.front += 8;
adam@1364 2824 return r;
adam@1364 2825 } else
adam@1364 2826 return "<Invalid time>";
adam@1364 2827 }
adam@1364 2828
adamc@467 2829 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2830 if (t == NULL)
adamc@467 2831 return "NULL";
adamc@467 2832 else
adamc@467 2833 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2834 }
adamc@467 2835
adamc@311 2836 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2837 static uw_Basis_int true = 1;
adamc@311 2838 static uw_Basis_int false = 0;
adamc@282 2839
adamc@311 2840 if (b == uw_Basis_False)
adamc@282 2841 return (char *)&false;
adamc@282 2842 else
adamc@282 2843 return (char *)&true;
adamc@282 2844 }
adamc@284 2845
adamc@311 2846 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2847 int len;
adamc@284 2848 char *r;
adamc@284 2849
adamc@311 2850 uw_check_heap(ctx, INTS_MAX);
adamc@666 2851 r = ctx->heap.front;
adamc@284 2852 sprintf(r, "%lld%n", n, &len);
adamc@666 2853 ctx->heap.front += len+1;
adamc@284 2854 return r;
adamc@284 2855 }
adamc@285 2856
adamc@311 2857 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2858 int len;
adamc@285 2859 char *r;
adamc@285 2860
adamc@311 2861 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2862 r = ctx->heap.front;
adamc@285 2863 sprintf(r, "%g%n", n, &len);
adamc@666 2864 ctx->heap.front += len+1;
adamc@285 2865 return r;
adamc@285 2866 }
adamc@285 2867
adamc@821 2868 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2869 char *r = uw_malloc(ctx, 2);
adamc@821 2870 r[0] = ch;
adamc@821 2871 r[1] = 0;
adamc@821 2872 return r;
adamc@821 2873 }
adamc@821 2874
adamc@311 2875 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2876 if (b == uw_Basis_False)
adamc@285 2877 return "False";
adamc@285 2878 else
adamc@285 2879 return "True";
adamc@285 2880 }
adamc@288 2881
adam@1359 2882 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352 2883 size_t len;
adam@1352 2884 char *r;
adam@1392 2885 struct tm stm = {};
adam@1392 2886 stm.tm_isdst = -1;
adam@1352 2887
adam@1365 2888 if (localtime_r(&t.seconds, &stm)) {
adam@1352 2889 uw_check_heap(ctx, TIMES_MAX);
adam@1352 2890 r = ctx->heap.front;
adam@1352 2891 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352 2892 ctx->heap.front += len+1;
adam@1352 2893 return r;
adam@1352 2894 } else
adam@1352 2895 return "<Invalid time>";
adam@1352 2896 }
adam@1352 2897
adam@1629 2898 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adam@1629 2899 return uw_Basis_timef(ctx, ctx->app->time_format, t);
adam@1629 2900 }
adam@1629 2901
adamc@311 2902 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2903 char *endptr;
adamc@311 2904 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2905
adamc@288 2906 if (*s != '\0' && *endptr == '\0') {
adamc@311 2907 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2908 *r = n;
adamc@288 2909 return r;
adamc@288 2910 } else
adamc@288 2911 return NULL;
adamc@288 2912 }
adamc@289 2913
adamc@311 2914 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2915 char *endptr;
adamc@311 2916 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2917
adamc@289 2918 if (*s != '\0' && *endptr == '\0') {
adamc@311 2919 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2920 *r = n;
adamc@289 2921 return r;
adamc@289 2922 } else
adamc@289 2923 return NULL;
adamc@289 2924 }
adamc@289 2925
adamc@821 2926 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2927 if (s[0] == 0) {
adamc@821 2928 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2929 r[0] = 0;
adamc@821 2930 return r;
adamc@821 2931 } else if (s[1] != 0)
adamc@821 2932 return NULL;
adamc@821 2933 else {
adamc@821 2934 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2935 r[0] = s[0];
adamc@821 2936 return r;
adamc@821 2937 }
adamc@821 2938 }
adamc@821 2939
adamc@311 2940 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2941 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2942 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2943
adamc@289 2944 if (!strcasecmp (s, "True"))
adamc@289 2945 return &true;
adamc@289 2946 else if (!strcasecmp (s, "False"))
adamc@289 2947 return &false;
adamc@289 2948 else
adamc@289 2949 return NULL;
adamc@289 2950 }
adamc@292 2951
adamc@436 2952 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2953 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1374 2954 struct tm stm = {};
adam@1392 2955 stm.tm_isdst = -1;
adamc@436 2956
adamc@439 2957 if (dot) {
adamc@439 2958 *dot = 0;
adamc@439 2959 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2960 *dot = '.';
adamc@439 2961 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2962 r->seconds = mktime(&stm);
adam@1365 2963 r->microseconds = 0;
adamc@439 2964 return r;
adamc@439 2965 }
adamc@439 2966 else {
adamc@439 2967 *dot = '.';
adamc@439 2968 return NULL;
adamc@439 2969 }
adamc@436 2970 }
adamc@439 2971 else {
adam@2072 2972 if (strptime(s, ctx->app->time_format, &stm) == end) {
adamc@439 2973 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2974 r->seconds = mktime(&stm);
adam@1365 2975 r->microseconds = 0;
adamc@439 2976 return r;
adam@2072 2977 } else if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@2072 2978 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@2072 2979 r->seconds = mktime(&stm);
adam@2072 2980 r->microseconds = 0;
adam@2072 2981 return r;
adam@2072 2982 } else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2983 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2984 r->seconds = mktime(&stm);
adam@1365 2985 r->microseconds = 0;
adamc@439 2986 return r;
adam@1632 2987 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632 2988 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1632 2989 r->seconds = mktime(&stm);
adam@1632 2990 r->microseconds = 0;
adam@1632 2991 return r;
adamc@439 2992 }
adamc@439 2993 else
adamc@439 2994 return NULL;
adamc@439 2995 }
adamc@436 2996 }
adamc@436 2997
adam@1352 2998 uw_Basis_time *uw_Basis_stringToTimef(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2999 char *end = strchr(s, 0);
adam@1374 3000 struct tm stm = {};
adam@1392 3001 stm.tm_isdst = -1;
adam@1352 3002
adam@1352 3003 if (strptime(s, fmt, &stm) == end) {
adam@1352 3004 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 3005 r->seconds = mktime(&stm);
adam@1365 3006 r->microseconds = 0;
adam@1352 3007 return r;
adam@1352 3008 }
adam@1352 3009 else
adam@1352 3010 return NULL;
adam@1352 3011 }
adam@1352 3012
adamc@311 3013 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 3014 char *endptr;
adamc@311 3015 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 3016
adamc@292 3017 if (*s != '\0' && *endptr == '\0')
adamc@292 3018 return n;
adamc@292 3019 else
adam@1444 3020 uw_error(ctx, FATAL, "Can't parse int: %s", uw_Basis_htmlifyString(ctx, s));
adamc@292 3021 }
adamc@293 3022
adamc@682 3023 #include <errno.h>
adamc@682 3024
adamc@678 3025 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 3026 unsigned long long n;
adamc@682 3027
adamc@682 3028 if (sscanf(s, "%llu", &n) < 1)
adam@1444 3029 uw_error(ctx, FATAL, "Can't parse channel: %s", uw_Basis_htmlifyString(ctx, s));
adamc@682 3030 else {
adamc@682 3031 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 3032 return ch;
adamc@682 3033 }
adamc@682 3034 }
adamc@682 3035
adamc@682 3036 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 3037 char *endptr;
adamc@682 3038 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 3039
adamc@678 3040 if (*s != '\0' && *endptr == '\0')
adamc@678 3041 return n;
adamc@678 3042 else
adam@1444 3043 uw_error(ctx, FATAL, "Can't parse client: %s", uw_Basis_htmlifyString(ctx, s));
adamc@678 3044 }
adamc@678 3045
adamc@311 3046 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 3047 char *endptr;
adamc@311 3048 uw_Basis_float n = strtod(s, &endptr);
adamc@293 3049
adamc@293 3050 if (*s != '\0' && *endptr == '\0')
adamc@293 3051 return n;
adamc@293 3052 else
adam@1444 3053 uw_error(ctx, FATAL, "Can't parse float: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 3054 }
adamc@293 3055
adamc@821 3056 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 3057 if (s[0] == 0)
adamc@821 3058 return 0;
adamc@821 3059 else if (s[1] != 0)
adam@1444 3060 uw_error(ctx, FATAL, "Can't parse char: %s", uw_Basis_htmlifyString(ctx, s));
adamc@821 3061 else
adamc@821 3062 return s[0];
adamc@821 3063 }
adamc@821 3064
adamc@311 3065 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 3066 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 3067 return uw_Basis_True;
adamc@296 3068 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 3069 return uw_Basis_False;
adamc@293 3070 else
adam@1444 3071 uw_error(ctx, FATAL, "Can't parse bool: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 3072 }
adamc@436 3073
adam@1352 3074 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352 3075 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1352 3076 struct tm stm = {};
adam@1392 3077 stm.tm_isdst = -1;
adam@1352 3078
adam@1352 3079 if (dot) {
adam@1352 3080 *dot = 0;
adam@1352 3081 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352 3082 *dot = '.';
adam@1410 3083 char usec[] = "000000";
adam@1410 3084 int len = strlen(dot+1);
adam@1410 3085 memcpy(usec, dot+1, len < 6 ? len : 6);
adam@1410 3086 uw_Basis_time r = { mktime(&stm), atoi(usec) };
adam@1365 3087 return r;
adam@1352 3088 }
adam@1352 3089 else {
adam@1352 3090 *dot = '.';
adam@1444 3091 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 3092 }
adam@1352 3093 }
adam@1352 3094 else {
adam@1352 3095 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 3096 uw_Basis_time r = { mktime(&stm) };
adam@1365 3097 return r;
adam@1352 3098 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 3099 uw_Basis_time r = { mktime(&stm) };
adam@1365 3100 return r;
adam@1352 3101 } else
adam@1444 3102 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 3103 }
adam@1352 3104 }
adam@1352 3105
adamc@436 3106 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 3107 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 3108 struct tm stm = {};
adam@1392 3109 stm.tm_isdst = -1;
adamc@436 3110
adamc@438 3111 if (dot) {
adamc@438 3112 *dot = 0;
adamc@438 3113 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 3114 *dot = '.';
adam@1365 3115 {
adam@1365 3116 uw_Basis_time r = { mktime(&stm) };
adam@1365 3117 return r;
adam@1365 3118 }
adamc@438 3119 }
adamc@438 3120 else {
adamc@438 3121 *dot = '.';
adam@1444 3122 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 3123 }
adamc@438 3124 }
adamc@438 3125 else {
adam@2072 3126 if (strptime(s, ctx->app->time_format, &stm) == end) {
adam@2072 3127 uw_Basis_time r = { mktime(&stm) };
adam@2072 3128 return r;
adam@2072 3129 } else if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 3130 uw_Basis_time r = { mktime(&stm) };
adam@1365 3131 return r;
adam@1365 3132 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 3133 uw_Basis_time r = { mktime(&stm) };
adam@1365 3134 return r;
adam@1632 3135 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632 3136 uw_Basis_time r = { mktime(&stm) };
adam@1632 3137 return r;
adam@1365 3138 } else
adam@1444 3139 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 3140 }
adamc@436 3141 }
adamc@457 3142
adam@1352 3143 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 3144 char *end = strchr(s, 0);
adamc@939 3145 struct tm stm = {};
adam@1392 3146 stm.tm_isdst = -1;
adamc@939 3147
adam@1365 3148 if (strptime(s, fmt, &stm) == end) {
adam@1365 3149 uw_Basis_time r = { mktime(&stm) };
adam@1365 3150 return r;
adam@1365 3151 } else
adam@1444 3152 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@939 3153 }
adamc@939 3154
adamc@742 3155 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 3156 char *r = ctx->heap.front;
adamc@742 3157 uw_Basis_blob b = {len, r};
adamc@742 3158
adamc@742 3159 uw_check_heap(ctx, len);
adamc@742 3160
adam@1992 3161 if (s[0] == '\\' && s[1] == 'x') {
adam@1992 3162 s += 2;
adam@1992 3163
adam@1992 3164 while (*s) {
adam@1992 3165 int n;
adam@1992 3166 sscanf(s, "%02x", &n);
adam@1992 3167 *r++ = n;
adam@1992 3168 s += 2;
adam@1992 3169 }
adam@1992 3170 } else {
adam@1992 3171 while (*s) {
adam@1992 3172 if (s[0] == '\\') {
adam@1992 3173 if (s[1] == '\\') {
adam@1992 3174 *r++ = '\\';
adam@1992 3175 s += 2;
adam@1992 3176 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adam@1992 3177 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adam@1992 3178 s += 4;
adam@1992 3179 }
adam@1992 3180 else {
adam@1992 3181 *r++ = '\\';
adam@1992 3182 ++s;
adam@1992 3183 }
adam@1992 3184 } else {
adam@1992 3185 *r++ = s[0];
adamc@742 3186 ++s;
adamc@742 3187 }
adamc@742 3188 }
adamc@742 3189 }
adamc@742 3190
adamc@742 3191 b.size = r - ctx->heap.front;
adamc@742 3192 ctx->heap.front = r;
adam@1992 3193
adamc@742 3194 return b;
adamc@742 3195 }
adamc@742 3196
adam@1402 3197 #define THE_PAST "expires=Sat, 01-Jan-2011 00:00:00 GMT"
adamc@1052 3198
adamc@463 3199 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 3200 int len = strlen(c);
adamc@854 3201 char *p = ctx->outHeaders.start;
adamc@474 3202
adamc@1134 3203 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474 3204 char *p2;
adamc@474 3205 p += 13;
adamc@474 3206 p2 = strchr(p, '=');
adamc@474 3207
adamc@474 3208 if (p2) {
adamc@474 3209 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 3210
adamc@474 3211 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052 3212 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052 3213 return NULL;
adamc@1052 3214 else {
adamc@1052 3215 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052 3216 memcpy(ret, p2+1, sz);
adamc@1052 3217 ret[sz] = 0;
adamc@1052 3218 return ret;
adamc@1052 3219 }
adamc@474 3220 }
adamc@474 3221 }
adamc@474 3222 }
adamc@463 3223
adamc@1134 3224 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051 3225 char *p2;
adamc@1051 3226
adamc@854 3227 while (1) {
adamc@1051 3228 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134 3229 if ((p2 = strchr(p, ';'))) {
adamc@1051 3230 size_t n = p2 - (p + len);
adamc@1051 3231 char *r = uw_malloc(ctx, n);
adamc@1051 3232 memcpy(r, p + 1 + len, n-1);
adamc@1051 3233 r[n-1] = 0;
adamc@1051 3234 return r;
adamc@1051 3235 } else
adamc@1051 3236 return p + 1 + len;
adamc@1134 3237 } else if ((p = strchr(p, ';')))
adamc@854 3238 p += 2;
adamc@463 3239 else
adamc@463 3240 return NULL;
adamc@463 3241 }
adamc@463 3242 }
adamc@792 3243
adamc@792 3244 return NULL;
adamc@457 3245 }
adamc@462 3246
adam@1877 3247 static void set_cookie(uw_context ctx) {
adam@1877 3248 if (ctx->usedSig)
adam@1877 3249 ctx->needsResig = 1;
adam@1877 3250 }
adam@1877 3251
adamc@1050 3252 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 3253 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 3254 uw_write_header(ctx, c);
adamc@462 3255 uw_write_header(ctx, "=");
adamc@462 3256 uw_write_header(ctx, v);
adamc@466 3257 uw_write_header(ctx, "; path=");
adamc@466 3258 uw_write_header(ctx, prefix);
adamc@1050 3259 if (expires) {
adamc@1050 3260 char formatted[30];
adam@1392 3261 struct tm tm = {};
adam@1392 3262 tm.tm_isdst = -1;
adamc@1050 3263
adam@1365 3264 gmtime_r(&expires->seconds, &tm);
adamc@1050 3265
adamc@1050 3266 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050 3267
adamc@1050 3268 uw_write_header(ctx, "; expires=");
adamc@1050 3269 uw_write_header(ctx, formatted);
adamc@1050 3270 }
adamc@1050 3271 if (secure)
adamc@1050 3272 uw_write_header(ctx, "; secure");
adamc@462 3273 uw_write_header(ctx, "\r\n");
adam@1877 3274 set_cookie(ctx);
adamc@462 3275
adamc@462 3276 return uw_unit_v;
adamc@462 3277 }
adamc@667 3278
adamc@1050 3279 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050 3280 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050 3281 uw_write_header(ctx, c);
adamc@1050 3282 uw_write_header(ctx, "=; path=");
adamc@1050 3283 uw_write_header(ctx, prefix);
adamc@1052 3284 uw_write_header(ctx, "; " THE_PAST "\r\n");
adam@1877 3285 set_cookie(ctx);
adamc@1050 3286
adamc@1050 3287 return uw_unit_v;
adamc@1050 3288 }
adamc@1050 3289
adamc@1113 3290 size_t uw_deltas_max = SIZE_MAX;
adamc@1113 3291
adamc@682 3292 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 3293 unsigned i;
adamc@682 3294 delta *d;
adamc@671 3295
adamc@682 3296 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 3297 if (ctx->deltas[i].client == client)
adamc@682 3298 return &ctx->deltas[i];
adamc@671 3299
adamc@682 3300 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113 3301 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113 3302 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113 3303
adamc@682 3304 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adam@1369 3305 uw_buffer_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 3306 }
adamc@671 3307
adamc@682 3308 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 3309 d->client = client;
adam@1369 3310 uw_buffer_reset(&d->msgs);
adamc@682 3311 return d;
adamc@671 3312 }
adamc@671 3313
adamc@668 3314 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 3315 if (ctx->client == NULL)
adamc@682 3316 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 3317
adamc@682 3318 return new_channel(ctx->client);
adamc@668 3319 }
adamc@668 3320
adamc@668 3321 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 3322 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 3323 size_t len;
adamc@682 3324 int preLen;
adamc@682 3325 char pre[INTS_MAX + 2];
adamc@668 3326
adamc@682 3327 len = strlen(msg);
adamc@682 3328
adamc@682 3329 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 3330
adam@1369 3331 ctx_uw_buffer_append(ctx, "messages", &d->msgs, pre, preLen);
adam@1369 3332 ctx_uw_buffer_append(ctx, "messages", &d->msgs, msg, len);
adam@1369 3333 ctx_uw_buffer_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671 3334
adamc@671 3335 return uw_unit_v;
adamc@668 3336 }
adamc@671 3337
adam@1327 3338 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131 3339 int i;
adamc@1131 3340 cleanup *cl;
adamc@1131 3341
adamc@1131 3342 if (ctx->client)
adamc@1131 3343 release_client(ctx->client);
adamc@1131 3344
adamc@1131 3345 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131 3346 cl->func(cl->arg);
adamc@1131 3347
adamc@1131 3348 ctx->cleanup_front = ctx->cleanup;
adamc@1131 3349
adamc@1131 3350 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3351 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3352 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131 3353
adamc@1131 3354 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3355 if (ctx->transactionals[i].free)
adam@1327 3356 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131 3357
adam@1941 3358 if (ctx->app && ctx->transaction_started) {
adam@1941 3359 ctx->transaction_started = 0;
adam@1941 3360 return ctx->app->db_rollback(ctx);
adam@1941 3361 } else
adam@1941 3362 return 0;
adamc@1131 3363 }
adamc@1131 3364
adam@1956 3365 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 3366 const char uw_begin_html5[] = "<!DOCTYPE html><html>";
adam@1728 3367
adam@1877 3368 extern int uw_hash_blocksize;
adam@1877 3369
adam@1877 3370 static const char sig_intro[] = "<input type=\"hidden\" name=\"Sig\" value=\"";
adam@1877 3371
adam@1877 3372 static char *find_sig(char *haystack) {
adam@1877 3373 int i;
adam@1877 3374 char *s = strstr(haystack, sig_intro);
adam@1877 3375
adam@1877 3376 if (!s || strlen(haystack) - (s - haystack) - (sizeof sig_intro - 1) < uw_hash_blocksize*2+1)
adam@1877 3377 return NULL;
phurst@1981 3378
adam@1877 3379 s += sizeof sig_intro - 1;
adam@1877 3380
adam@1877 3381 for (i = 0; i < uw_hash_blocksize*2; ++i)
adam@1877 3382 if (!isxdigit((int)s[i]))
adam@1877 3383 return NULL;
adam@1877 3384
adam@1877 3385 if (s[i] != '"')
adam@1877 3386 return NULL;
adam@1877 3387
adam@1877 3388 return s;
adam@1877 3389 }
adam@1877 3390
adam@2033 3391 static pthread_mutex_t message_send_mutex = PTHREAD_MUTEX_INITIALIZER;
adam@2033 3392
adam@1938 3393 int uw_commit(uw_context ctx) {
adamc@1104 3394 int i;
adam@1877 3395 char *sig;
adamc@1104 3396
adamc@1131 3397 if (uw_has_error(ctx)) {
adam@1327 3398 uw_rollback(ctx, 0);
adam@1938 3399 return 0;
adamc@1131 3400 }
adamc@1131 3401
adamc@1104 3402 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3403 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3404 if (ctx->transactionals[i].commit) {
adamc@1083 3405 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3406 if (uw_has_error(ctx)) {
adam@1327 3407 uw_rollback(ctx, 0);
adam@1938 3408 return 0;
adamc@1131 3409 }
adamc@1131 3410 }
adamc@771 3411
adam@2033 3412 // Here's an important lock to provide the abstraction that all messages from one transaction are sent as an atomic unit.
adam@2033 3413 if (ctx->used_deltas > 0)
adam@2033 3414 pthread_mutex_lock(&message_send_mutex);
adam@2033 3415
adam@2000 3416 if (ctx->transaction_started) {
adam@2000 3417 int code = ctx->app->db_commit(ctx);
adam@2000 3418
adam@2000 3419 if (code) {
adam@2033 3420 if (ctx->used_deltas > 0)
adam@2033 3421 pthread_mutex_unlock(&message_send_mutex);
adam@2033 3422
adam@2000 3423 if (ctx->client)
adam@2000 3424 release_client(ctx->client);
adam@2000 3425
adam@2000 3426 if (code == -1) {
adam@2000 3427 // This case is for a serialization failure, which is not really an "error."
adam@2000 3428 // The transaction will restart, so we should rollback any transactionals
adam@2000 3429 // that triggered above.
adam@2000 3430
adam@2000 3431 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3432 if (ctx->transactionals[i].rollback != NULL)
adam@2000 3433 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adam@2000 3434
adam@2000 3435 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3436 if (ctx->transactionals[i].free)
adam@2000 3437 ctx->transactionals[i].free(ctx->transactionals[i].data, 1);
adam@2000 3438
grrwlf@2030 3439 return 1;
adam@2000 3440 }
adam@2000 3441
adam@2000 3442 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3443 if (ctx->transactionals[i].free)
adam@2000 3444 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adam@2000 3445
adam@2000 3446 uw_set_error_message(ctx, "Error running SQL COMMIT");
adam@2000 3447 return 0;
adam@2000 3448 }
adam@2000 3449 }
adam@2000 3450
adamc@1104 3451 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3452 if (ctx->transactionals[i].rollback == NULL)
adamc@1131 3453 if (ctx->transactionals[i].commit) {
adamc@1083 3454 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3455 if (uw_has_error(ctx)) {
adam@2033 3456 if (ctx->used_deltas > 0)
adam@2033 3457 pthread_mutex_unlock(&message_send_mutex);
adam@2033 3458
adam@2033 3459 if (ctx->client)
adam@2033 3460 release_client(ctx->client);
adam@2033 3461
adam@2033 3462 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2033 3463 if (ctx->transactionals[i].rollback != NULL)
adam@2033 3464 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adam@2033 3465
adam@2033 3466 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2033 3467 if (ctx->transactionals[i].free)
adam@2033 3468 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adam@2000 3469
adam@1938 3470 return 0;
adamc@1131 3471 }
adamc@1131 3472 }
adamc@1131 3473
adamc@682 3474 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 3475 delta *d = &ctx->deltas[i];
adamc@682 3476 client *c = find_client(d->client);
adamc@682 3477
adam@1551 3478 assert (c != NULL);
adam@1551 3479 assert(c->mode == USED);
adamc@682 3480
adam@1447 3481 client_send(c, &d->msgs, ctx->script.start, uw_buffer_used(&ctx->script));
adamc@682 3482 }
adamc@682 3483
adam@2033 3484 if (ctx->used_deltas > 0)
adam@2033 3485 pthread_mutex_unlock(&message_send_mutex);
adam@2033 3486
adamc@682 3487 if (ctx->client)
adamc@685 3488 release_client(ctx->client);
adamc@771 3489
adamc@1104 3490 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083 3491 if (ctx->transactionals[i].free)
adam@1327 3492 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916 3493
vshabanoff@1726 3494 uw_check(ctx, 1);
vshabanoff@1726 3495 *ctx->page.front = 0;
adam@1413 3496
adam@1956 3497 if (!ctx->returning_indirectly
adam@1956 3498 && (ctx->app->is_html5
adam@1956 3499 ? !strncmp(ctx->page.start, uw_begin_html5, sizeof uw_begin_html5 - 1)
adam@1956 3500 : !strncmp(ctx->page.start, uw_begin_xhtml, sizeof uw_begin_xhtml - 1))) {
adam@1728 3501 char *s;
adam@1728 3502
adam@1728 3503 // Splice script data into appropriate part of page, also adding <head> if needed.
adam@1956 3504 s = ctx->page.start + (ctx->app->is_html5 ? sizeof uw_begin_html5 - 1 : sizeof uw_begin_xhtml - 1);
adam@1728 3505 s = strchr(s, '<');
adam@1728 3506 if (s == NULL) {
adam@1728 3507 // Weird. Document has no tags!
adam@1728 3508
adam@1728 3509 uw_write(ctx, "<head></head><body></body>");
adam@1728 3510 uw_check(ctx, 1);
adam@1728 3511 *ctx->page.front = 0;
adam@1728 3512 } else if (!strncmp(s, "<head>", 6)) {
adam@1728 3513 // <head> is present. Let's add the <script> tags immediately after it.
adam@1728 3514
adam@1729 3515 // Any freeform JavaScript to include?
adam@1729 3516 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729 3517 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729 3518 size_t lenP = lenH + 40 + len;
adam@1729 3519 char *start = s + 6, *oldPage = ctx->page.start;
adam@1729 3520
adam@1729 3521 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3522 start += ctx->page.start - oldPage;
adam@1729 3523 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3524 ctx->page.front += lenP;
adam@1729 3525 memcpy(start, ctx->script_header, lenH);
adam@1729 3526 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adam@1729 3527 memcpy(start + lenH + 31, ctx->script.start, len);
adam@1729 3528 memcpy(start + lenH + 31 + len, "</script>", 9);
adam@1729 3529 } else {
adam@1729 3530 size_t lenH = strlen(ctx->script_header);
adam@1729 3531 char *start = s + 6, *oldPage = ctx->page.start;
adam@1729 3532
adam@1729 3533 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenH);
adam@1729 3534 start += ctx->page.start - oldPage;
adam@1729 3535 memmove(start + lenH, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3536 ctx->page.front += lenH;
adam@1729 3537 memcpy(start, ctx->script_header, lenH);
adam@1729 3538 }
adam@1728 3539 } else {
adam@1728 3540 // No <head>. At this point, add it, with <script> tags inside.
adam@1728 3541
adam@1729 3542 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729 3543 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729 3544 size_t lenP = lenH + 53 + len;
adam@1729 3545 char *start = s, *oldPage = ctx->page.start;
adam@1729 3546
adam@1729 3547 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3548 start += ctx->page.start - oldPage;
adam@1729 3549 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3550 ctx->page.front += lenP;
adam@1729 3551 memcpy(start, "<head>", 6);
adam@1729 3552 memcpy(start + 6, ctx->script_header, lenH);
adam@1729 3553 memcpy(start + 6 + lenH, "<script type=\"text/javascript\">", 31);
adam@1729 3554 memcpy(start + 6 + lenH + 31, ctx->script.start, len);
adam@1729 3555 memcpy(start + 6 + lenH + 31 + len, "</script></head>", 16);
adam@1729 3556 } else {
adam@1729 3557 size_t lenH = strlen(ctx->script_header);
adam@1729 3558 size_t lenP = lenH + 13;
adam@1729 3559 char *start = s, *oldPage = ctx->page.start;
adam@1729 3560
adam@1729 3561 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3562 start += ctx->page.start - oldPage;
adam@1729 3563 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3564 ctx->page.front += lenP;
adam@1729 3565 memcpy(start, "<head>", 6);
adam@1729 3566 memcpy(start + 6, ctx->script_header, lenH);
adam@1729 3567 memcpy(start + 6 + lenH, "</head>", 7);
adam@1729 3568 }
adamc@916 3569 }
adamc@916 3570 }
adam@1877 3571
adam@1877 3572 if (ctx->needsResig) {
adam@1877 3573 sig = find_sig(ctx->page.start);
adam@1877 3574 if (sig) {
adam@1877 3575 char *realsig = ctx->app->cookie_sig(ctx);
adam@1877 3576
adam@1877 3577 do {
adam@1877 3578 memcpy(sig, realsig, 2*uw_hash_blocksize);
adam@1877 3579 sig = find_sig(sig);
adam@1877 3580 } while (sig);
adam@1877 3581 }
adam@1877 3582 }
adam@1938 3583
adam@1938 3584 return 0;
adamc@671 3585 }
adamc@671 3586
adamc@683 3587
adamc@1113 3588 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113 3589
adam@2001 3590 int uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327 3591 uw_callback_with_retry free) {
adamc@771 3592 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113 3593 if (ctx->used_transactionals+1 > uw_transactionals_max)
adam@2001 3594 // Exceeded limit on number of transactionals.
adam@2001 3595 return -1;
adamc@1084 3596 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771 3597 ++ctx->n_transactionals;
adamc@771 3598 }
adamc@771 3599
adamc@771 3600 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 3601 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 3602 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 3603 ctx->transactionals[ctx->used_transactionals++].free = free;
adam@2001 3604
adam@2001 3605 return 0;
adamc@771 3606 }
adamc@771 3607
adamc@683 3608
adamc@683 3609 // "Garbage collection"
adamc@683 3610
adamc@1121 3611 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121 3612 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121 3613
adamc@1121 3614 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683 3615 int r = setjmp(ctx->jmp_buf);
adamc@683 3616
adamc@1121 3617 if (r == 0)
adamc@1121 3618 uw_do_expunge(ctx, cli, data);
adamc@1121 3619 else
adamc@1121 3620 ctx->app->db_rollback(ctx);
adamc@1121 3621
adamc@1121 3622 uw_post_expunge(ctx, data);
adamc@683 3623
adamc@683 3624 return r;
adamc@683 3625 }
adamc@683 3626
adamc@683 3627 void uw_prune_clients(uw_context ctx) {
adamc@683 3628 client *c, *next, *prev = NULL;
adamc@683 3629 time_t cutoff;
adamc@683 3630
adamc@1094 3631 cutoff = time(NULL) - ctx->app->timeout;
adamc@683 3632
adamc@683 3633 pthread_mutex_lock(&clients_mutex);
adam@1707 3634 pruning_thread = pthread_self();
adam@1707 3635 pruning_thread_initialized = 1;
adamc@683 3636
adamc@683 3637 for (c = clients_used; c; c = next) {
adamc@683 3638 next = c->next;
adamc@683 3639 pthread_mutex_lock(&c->lock);
adamc@685 3640 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 3641 failure_kind fk = UNLIMITED_RETRY;
adamc@683 3642 if (prev)
adamc@683 3643 prev->next = next;
adamc@683 3644 else
adamc@683 3645 clients_used = next;
adamc@683 3646 while (fk == UNLIMITED_RETRY) {
adam@1941 3647 uw_reset(ctx);
adamc@1121 3648 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121 3649 if (fk == UNLIMITED_RETRY)
adamc@684 3650 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 3651 }
adamc@684 3652 if (fk == SUCCESS)
adamc@684 3653 free_client(c);
adamc@1121 3654 else
adamc@856 3655 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683 3656 }
adamc@683 3657 else
adamc@683 3658 prev = c;
adamc@683 3659 pthread_mutex_unlock(&c->lock);
adamc@683 3660 }
adamc@683 3661
adamc@683 3662 pthread_mutex_unlock(&clients_mutex);
adamc@683 3663 }
adamc@687 3664
adamc@687 3665 failure_kind uw_initialize(uw_context ctx) {
adamc@687 3666 int r = setjmp(ctx->jmp_buf);
adamc@687 3667
adamc@687 3668 if (r == 0) {
adam@1936 3669 uw_ensure_transaction(ctx);
adamc@1094 3670 ctx->app->initializer(ctx);
adamc@1094 3671 if (ctx->app->db_commit(ctx))
adamc@687 3672 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 3673 }
adamc@687 3674
adamc@687 3675 return r;
adamc@687 3676 }
adamc@717 3677
adamc@1065 3678 static int url_bad(uw_Basis_string s) {
adamc@1065 3679 for (; *s; ++s)
adamc@1153 3680 if (!isgraph((int)*s))
adamc@1065 3681 return 1;
adamc@1065 3682
adamc@1065 3683 return 0;
adamc@1065 3684 }
adamc@1065 3685
adamc@717 3686 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065 3687 if (url_bad(s))
adamc@1065 3688 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094 3689 if (ctx->app->check_url(s))
adamc@770 3690 return s;
adamc@770 3691 else
adamc@770 3692 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 3693 }
adamc@734 3694
adamc@770 3695 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065 3696 if (url_bad(s))
adamc@1065 3697 return NULL;
adamc@1094 3698 if (ctx->app->check_url(s))
adamc@770 3699 return s;
adamc@770 3700 else
adamc@770 3701 return NULL;
adamc@770 3702 }
adamc@770 3703
adam@1465 3704 static int mime_format(const char *s) {
adamc@770 3705 for (; *s; ++s)
grrwlf@2024 3706 if (!isalnum((int)*s) && *s != '/' && *s != '-' && *s != '.' && *s != '+')
adamc@770 3707 return 0;
adamc@770 3708
adamc@770 3709 return 1;
adamc@770 3710 }
adamc@770 3711
adamc@741 3712 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3713 if (!mime_format(s))
adamc@770 3714 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 3715
adamc@1094 3716 if (ctx->app->check_mime(s))
adamc@770 3717 return s;
adamc@770 3718 else
adamc@770 3719 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 3720 }
adamc@770 3721
adamc@770 3722 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3723 if (!mime_format(s))
adamc@770 3724 return NULL;
adamc@770 3725
adamc@1094 3726 if (ctx->app->check_mime(s))
adamc@770 3727 return s;
adamc@770 3728 else
adamc@770 3729 return NULL;
adamc@741 3730 }
adamc@741 3731
adam@1465 3732 uw_Basis_string uw_Basis_blessRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3733 if (!mime_format(s))
adam@1465 3734 uw_error(ctx, FATAL, "Request header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3735
adam@1465 3736 if (ctx->app->check_requestHeader(s))
adam@1465 3737 return s;
adam@1465 3738 else
adam@1465 3739 uw_error(ctx, FATAL, "Disallowed request header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3740 }
adam@1465 3741
adam@1465 3742 uw_Basis_string uw_Basis_checkRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3743 if (!mime_format(s))
adam@1465 3744 return NULL;
adam@1465 3745
adam@1465 3746 if (ctx->app->check_requestHeader(s))
adam@1465 3747 return s;
adam@1465 3748 else
adam@1465 3749 return NULL;
adam@1465 3750 }
adam@1465 3751
adam@1465 3752 uw_Basis_string uw_Basis_blessResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3753 if (!mime_format(s))
adam@1465 3754 uw_error(ctx, FATAL, "Response header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3755
adam@1465 3756 if (ctx->app->check_responseHeader(s))
adam@1465 3757 return s;
adam@1465 3758 else
adam@1465 3759 uw_error(ctx, FATAL, "Disallowed response header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3760 }
adam@1465 3761
adam@1799 3762 static int envVar_format(const char *s) {
adam@1799 3763 for (; *s; ++s)
adam@1799 3764 if (!isalnum((int)*s) && *s != '_' && *s != '.')
adam@1799 3765 return 0;
adam@1799 3766
adam@1799 3767 return 1;
adam@1799 3768 }
adam@1799 3769
adam@1465 3770 uw_Basis_string uw_Basis_checkResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1799 3771 if (!envVar_format(s))
adam@1465 3772 return NULL;
adam@1465 3773
adam@1465 3774 if (ctx->app->check_responseHeader(s))
adam@1465 3775 return s;
adam@1465 3776 else
adam@1465 3777 return NULL;
adam@1465 3778 }
adam@1465 3779
adam@1799 3780 uw_Basis_string uw_Basis_blessEnvVar(uw_context ctx, uw_Basis_string s) {
adam@1799 3781 if (!envVar_format(s))
adam@1799 3782 uw_error(ctx, FATAL, "Environment variable \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1799 3783
adam@1799 3784 if (ctx->app->check_envVar(s))
adam@1799 3785 return s;
adam@1799 3786 else
adam@1799 3787 uw_error(ctx, FATAL, "Disallowed environment variable %s", uw_Basis_htmlifyString(ctx, s));
adam@1799 3788 }
adam@1799 3789
adam@1799 3790 uw_Basis_string uw_Basis_checkEnvVar(uw_context ctx, uw_Basis_string s) {
adam@1799 3791 if (!mime_format(s))
adam@1799 3792 return NULL;
adam@1799 3793
adam@1799 3794 if (ctx->app->check_envVar(s))
adam@1799 3795 return s;
adam@1799 3796 else
adam@1799 3797 return NULL;
adam@1799 3798 }
adam@1799 3799
adam@1465 3800 uw_Basis_string uw_Basis_getHeader(uw_context ctx, uw_Basis_string name) {
adam@1465 3801 return uw_Basis_requestHeader(ctx, name);
adam@1465 3802 }
adam@1465 3803
adam@1465 3804 static int mime_value_format(const char *s) {
adam@1465 3805 for (; *s; ++s)
adam@1465 3806 if (*s == '\r' || *s == '\n')
adam@1465 3807 return 0;
adam@1465 3808
adam@1465 3809 return 1;
adam@1465 3810 }
adam@1465 3811
adam@1465 3812 uw_unit uw_Basis_setHeader(uw_context ctx, uw_Basis_string name, uw_Basis_string value) {
adam@1465 3813 if (!mime_value_format(value))
adam@1465 3814 uw_error(ctx, FATAL, "Invalid value for HTTP response header");
adam@1465 3815
adam@1465 3816 uw_write_header(ctx, name);
adam@1465 3817 uw_write_header(ctx, ": ");
adam@1465 3818 uw_write_header(ctx, value);
adam@1465 3819 uw_write_header(ctx, "\r\n");
adam@1465 3820
adam@1465 3821 return uw_unit_v;
adam@1465 3822 }
adam@1465 3823
adam@1799 3824 uw_Basis_string uw_Basis_getenv(uw_context ctx, uw_Basis_string name) {
adam@1993 3825 if (ctx->get_env)
adam@1993 3826 return ctx->get_env(ctx->get_env_data, name);
adam@1993 3827 else
adam@1994 3828 return getenv(name);
adam@1799 3829 }
adam@1799 3830
adamc@734 3831 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 3832 return s ? s : "";
adamc@734 3833 }
adamc@734 3834
adamc@734 3835 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 3836 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 3837 int i;
phurst@1981 3838
adamc@734 3839 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 3840 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 3841
adamc@734 3842 return r;
adamc@734 3843 }
adamc@734 3844
adam@1512 3845 /* This bit of crafty code is intended to prevent GCC from performing
adam@1512 3846 * optimizations that would enable timing attacks. See:
adam@1512 3847 * http://www.impredicative.com/pipermail/ur/2011-July/000659.html
adam@1512 3848 */
adam@1512 3849 int uw_streq(uw_Basis_string s1, uw_Basis_string s2) {
adam@1512 3850 int i, x = 0, len1 = strlen(s1);
adam@1512 3851
adam@1512 3852 if (len1 != strlen(s2)) return 0;
adam@1512 3853
adam@1512 3854 for (i = 0; i < len1; ++i) {
adam@1512 3855 __asm__ __volatile__ ("");
adam@1512 3856 x |= s1[i] ^ s2[i];
adam@1512 3857 }
adam@1512 3858
adam@1512 3859 return x == 0;
adam@1512 3860 }
adam@1512 3861
adamc@734 3862 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adam@1877 3863 ctx->usedSig = 1;
adamc@1094 3864 return ctx->app->cookie_sig(ctx);
adamc@734 3865 }
adamc@737 3866
adamc@737 3867 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 3868 return f.name;
adamc@737 3869 }
adamc@737 3870
adamc@740 3871 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 3872 return f.type;
adamc@740 3873 }
adamc@740 3874
adamc@745 3875 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 3876 return b.size;
adamc@745 3877 }
adamc@745 3878
adamc@1119 3879 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119 3880 uw_Basis_blob b = {strlen(s), s};
adamc@1119 3881
adamc@1119 3882 return b;
adamc@1119 3883 }
adamc@1119 3884
adamc@737 3885 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 3886 return f.data;
adamc@737 3887 }
adamc@741 3888
adam@1347 3889 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3890 return pb.type;
adam@1347 3891 }
adam@1347 3892
adam@1347 3893 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3894 return pb.data;
adam@1347 3895 }
adam@1347 3896
adam@1471 3897 static char *old_headers(uw_context ctx) {
adam@1471 3898 if (uw_buffer_used(&ctx->outHeaders) == 0)
adam@1471 3899 return NULL;
adam@1471 3900 else {
adam@1471 3901 char *s = strchr(ctx->outHeaders.start, '\n');
adam@1471 3902
adam@1471 3903 if (s == NULL || strncasecmp(s+1, "Content-type: ", 14))
adam@1471 3904 return NULL;
adam@1471 3905 else {
adam@1471 3906 s = strchr(s+15, '\n');
adam@1471 3907 if (s == NULL)
adam@1471 3908 return NULL;
adam@1471 3909 else
adam@1471 3910 return uw_strdup(ctx, s+1);
adam@1471 3911 }
adam@1471 3912 }
adam@1471 3913 }
adam@1471 3914
adamc@741 3915 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 3916 cleanup *cl;
adamc@741 3917 int len;
adam@1471 3918 char *oldh;
adamc@741 3919
adam@1451 3920 if (!ctx->allowed_to_return_indirectly)
adam@1451 3921 uw_error(ctx, FATAL, "Tried to return a blob from an RPC");
adam@1451 3922
adamc@1065 3923 ctx->returning_indirectly = 1;
adam@1471 3924 oldh = old_headers(ctx);
adam@1369 3925 uw_buffer_reset(&ctx->outHeaders);
adam@1369 3926 uw_buffer_reset(&ctx->page);
adamc@741 3927
adamc@856 3928 uw_write_header(ctx, on_success);
adamc@856 3929 uw_write_header(ctx, "Content-Type: ");