annotate src/c/urweb.c @ 1570:c7d0328ba777

Fix wildification for signatures with synonyms
author Adam Chlipala <adam@chlipala.net>
date Sat, 08 Oct 2011 14:16:13 -0400
parents e1f5d9c4cc20
children f403e129c276
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>
adamc@102 19
adamc@667 20 #include <pthread.h>
adamc@667 21
adamc@102 22 #include "types.h"
adamc@102 23
adam@1431 24 uw_unit uw_unit_v = 0;
adamc@102 25
adamc@667 26
adamc@667 27 // Socket extras
adamc@667 28
adamc@863 29 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667 30 while (len > 0) {
adamc@856 31 ssize_t n = send(sock, buf, len, 0);
adamc@856 32
adamc@856 33 if (n < 0)
adamc@856 34 return n;
adamc@856 35
adamc@856 36 buf += n;
adamc@856 37 len -= n;
adamc@856 38 }
adamc@856 39
adamc@856 40 return 0;
adamc@856 41 }
adamc@856 42
adamc@856 43 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856 44 while (len > 0) {
adamc@856 45 ssize_t n = write(fd, buf, len);
adamc@667 46
adamc@667 47 if (n < 0)
adamc@667 48 return n;
adamc@667 49
adamc@667 50 buf += n;
adamc@667 51 len -= n;
adamc@667 52 }
adamc@667 53
adamc@667 54 return 0;
adamc@667 55 }
adamc@667 56
adamc@667 57
adamc@667 58 // Buffers
adamc@667 59
adam@1369 60 void uw_buffer_init(size_t max, uw_buffer *b, size_t s) {
adamc@1113 61 b->max = max;
adamc@667 62 b->front = b->start = malloc(s);
adamc@667 63 b->back = b->front + s;
adamc@667 64 }
adamc@667 65
adam@1369 66 void uw_buffer_free(uw_buffer *b) {
adamc@667 67 free(b->start);
adamc@667 68 }
adamc@667 69
adam@1369 70 void uw_buffer_reset(uw_buffer *b) {
adamc@667 71 b->front = b->start;
adamc@667 72 }
adamc@667 73
adam@1369 74 int uw_buffer_check(uw_buffer *b, size_t extra) {
adamc@667 75 if (b->back - b->front < extra) {
adamc@667 76 size_t desired = b->front - b->start + extra, next;
adamc@667 77 char *new_heap;
adamc@667 78
adamc@667 79 next = b->back - b->start;
adamc@667 80 if (next == 0)
adamc@667 81 next = 1;
adamc@667 82 for (; next < desired; next *= 2);
adamc@667 83
adamc@1134 84 if (next > b->max) {
adamc@1113 85 if (desired <= b->max)
adamc@1113 86 next = desired;
adamc@1113 87 else
adamc@1113 88 return 1;
adamc@1134 89 }
adamc@1113 90
adamc@667 91 new_heap = realloc(b->start, next);
adamc@667 92 b->front = new_heap + (b->front - b->start);
adamc@667 93 b->back = new_heap + next;
adamc@667 94 b->start = new_heap;
adamc@667 95 }
adamc@1113 96
adamc@1113 97 return 0;
adamc@1113 98 }
adamc@1113 99
adamc@1113 100 __attribute__((noreturn)) void uw_error(uw_context, failure_kind, const char *, ...);
adamc@1113 101
adam@1369 102 static void ctx_uw_buffer_check(uw_context ctx, const char *kind, uw_buffer *b, size_t extra) {
adam@1369 103 if (uw_buffer_check(b, extra))
adamc@1113 104 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@667 105 }
adamc@667 106
adam@1369 107 size_t uw_buffer_used(uw_buffer *b) {
adamc@667 108 return b->front - b->start;
adamc@667 109 }
adamc@667 110
adam@1369 111 size_t uw_buffer_avail(uw_buffer *b) {
adamc@667 112 return b->back - b->start;
adamc@667 113 }
adamc@667 114
adam@1369 115 int uw_buffer_append(uw_buffer *b, const char *s, size_t len) {
adam@1369 116 if (uw_buffer_check(b, len+1))
adamc@1113 117 return 1;
adamc@1113 118
adamc@1113 119 memcpy(b->front, s, len);
adamc@1113 120 b->front += len;
adamc@1113 121 *b->front = 0;
adamc@1113 122
adamc@1113 123 return 0;
adamc@1113 124 }
adamc@1113 125
adam@1369 126 static void ctx_uw_buffer_append(uw_context ctx, const char *kind, uw_buffer *b, const char *s, size_t len) {
adam@1369 127 ctx_uw_buffer_check(ctx, kind, b, len+1);
adamc@1113 128
adamc@668 129 memcpy(b->front, s, len);
adamc@668 130 b->front += len;
adamc@672 131 *b->front = 0;
adamc@668 132 }
adamc@667 133
adamc@668 134
adamc@672 135 // Persistent state types
adamc@667 136
adamc@667 137 typedef enum { UNUSED, USED } usage;
adamc@667 138
adamc@667 139 typedef struct client {
adamc@682 140 unsigned id;
adamc@667 141 usage mode;
adamc@682 142 int pass;
adamc@682 143 struct client *next;
adamc@689 144 pthread_mutex_t lock, pull_lock;
adam@1369 145 uw_buffer msgs;
adamc@682 146 int sock;
adamc@863 147 int (*send)(int sockfd, const void *buf, ssize_t len);
adamc@863 148 int (*close)(int fd);
adamc@682 149 time_t last_contact;
adamc@682 150 unsigned n_channels;
adamc@685 151 unsigned refcount;
adamc@1121 152 void *data;
adamc@667 153 } client;
adamc@667 154
adamc@672 155
adamc@672 156 // Persistent client state
adamc@672 157
adamc@682 158 static client **clients, *clients_free, *clients_used;
adamc@682 159 static unsigned n_clients;
adamc@667 160
adamc@667 161 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@667 162
adamc@1113 163 size_t uw_messages_max = SIZE_MAX;
adamc@1113 164 size_t uw_clients_max = SIZE_MAX;
adamc@1113 165
adamc@1121 166 void *uw_init_client_data();
adamc@1121 167 void uw_free_client_data(void *);
adamc@1121 168 void uw_copy_client_data(void *dst, void *src);
adamc@1121 169
adamc@682 170 static client *new_client() {
adamc@667 171 client *c;
adamc@667 172
adamc@667 173 pthread_mutex_lock(&clients_mutex);
adamc@667 174
adamc@667 175 if (clients_free) {
adamc@667 176 c = clients_free;
adamc@682 177 clients_free = clients_free->next;
adamc@667 178 }
adamc@1113 179 else if (n_clients >= uw_clients_max)
adamc@1113 180 return NULL;
adamc@667 181 else {
adamc@667 182 ++n_clients;
adamc@667 183 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667 184 c = malloc(sizeof(client));
adamc@667 185 c->id = n_clients-1;
adamc@682 186 pthread_mutex_init(&c->lock, NULL);
adamc@689 187 pthread_mutex_init(&c->pull_lock, NULL);
adam@1369 188 uw_buffer_init(uw_messages_max, &c->msgs, 0);
adamc@667 189 clients[n_clients-1] = c;
adamc@667 190 }
adamc@667 191
adamc@682 192 pthread_mutex_lock(&c->lock);
adamc@667 193 c->mode = USED;
adamc@682 194 c->pass = rand();
adamc@682 195 c->sock = -1;
adamc@682 196 c->last_contact = time(NULL);
adam@1369 197 uw_buffer_reset(&c->msgs);
adamc@682 198 c->n_channels = 0;
adamc@685 199 c->refcount = 0;
adamc@1121 200 c->data = uw_init_client_data();
adamc@682 201 pthread_mutex_unlock(&c->lock);
adamc@682 202
adamc@682 203 c->next = clients_used;
adamc@682 204 clients_used = c;
adamc@667 205
adamc@667 206 pthread_mutex_unlock(&clients_mutex);
adamc@667 207
adamc@667 208 return c;
adamc@667 209 }
adamc@667 210
adamc@685 211 static void use_client(client *c) {
adamc@685 212 pthread_mutex_lock(&c->lock);
adamc@685 213 ++c->refcount;
adamc@685 214 pthread_mutex_unlock(&c->lock);
adamc@689 215 pthread_mutex_lock(&c->pull_lock);
adamc@685 216 }
adamc@685 217
adamc@685 218 static void release_client(client *c) {
adamc@689 219 pthread_mutex_unlock(&c->pull_lock);
adamc@685 220 pthread_mutex_lock(&c->lock);
adamc@685 221 --c->refcount;
adamc@685 222 pthread_mutex_unlock(&c->lock);
adamc@685 223 }
adamc@685 224
adamc@856 225 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adamc@667 226
adamc@682 227 static client *find_client(unsigned id) {
adamc@667 228 client *c;
adamc@667 229
adamc@667 230 pthread_mutex_lock(&clients_mutex);
adamc@667 231
adamc@667 232 if (id >= n_clients) {
adamc@667 233 pthread_mutex_unlock(&clients_mutex);
adamc@668 234 return NULL;
adamc@667 235 }
adamc@667 236
adamc@667 237 c = clients[id];
adamc@667 238
adamc@668 239 pthread_mutex_unlock(&clients_mutex);
adamc@668 240 return c;
adamc@668 241 }
adamc@668 242
adamc@856 243 static char *on_success = "HTTP/1.1 200 OK\r\n";
adam@1409 244 static char *on_redirect = "HTTP/1.1 303 See Other\r\n";
adamc@856 245
adamc@856 246 void uw_set_on_success(char *s) {
adamc@856 247 on_success = s;
adamc@856 248 }
adamc@856 249
adam@1552 250 static void chastise(int (*send)(int sockfd, const void *buf, ssize_t len), int sock) {
adam@1552 251 send(sock, on_success, strlen(on_success));
adam@1552 252 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1552 253 send(sock, "R", 1);
adam@1552 254 close(sock);
adam@1552 255 }
adam@1552 256
adamc@863 257 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863 258 int (*send)(int sockfd, const void *buf, ssize_t len),
adamc@864 259 int (*close)(int fd),
adamc@864 260 void *logger_data, uw_logger log_error) {
adamc@682 261 client *c = find_client(id);
adamc@668 262
adamc@668 263 if (c == NULL) {
adam@1552 264 chastise(send, sock);
adamc@864 265 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667 266 return;
adamc@667 267 }
adamc@667 268
adamc@682 269 pthread_mutex_lock(&c->lock);
adamc@671 270
adamc@682 271 if (c->mode != USED) {
adamc@682 272 pthread_mutex_unlock(&c->lock);
adam@1552 273 chastise(send, sock);
adamc@864 274 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667 275 return;
adamc@667 276 }
adamc@667 277
adamc@682 278 if (pass != c->pass) {
adamc@682 279 pthread_mutex_unlock(&c->lock);
adam@1552 280 chastise(send, sock);
adamc@864 281 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682 282 return;
adamc@667 283 }
adamc@667 284
adamc@682 285 if (c->sock != -1) {
adamc@863 286 c->close(c->sock);
adamc@682 287 c->sock = -1;
adamc@682 288 }
adamc@667 289
adamc@682 290 c->last_contact = time(NULL);
adamc@682 291
adam@1369 292 if (uw_buffer_used(&c->msgs) > 0) {
adamc@863 293 send(sock, on_success, strlen(on_success));
adamc@863 294 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1369 295 send(sock, c->msgs.start, uw_buffer_used(&c->msgs));
adam@1369 296 uw_buffer_reset(&c->msgs);
adamc@667 297 close(sock);
adamc@667 298 }
adamc@863 299 else {
adamc@682 300 c->sock = sock;
adamc@863 301 c->send = send;
adamc@863 302 c->close = close;
adamc@863 303 }
adamc@667 304
adamc@682 305 pthread_mutex_unlock(&c->lock);
adamc@667 306 }
adamc@667 307
adamc@682 308 static void free_client(client *c) {
adamc@682 309 c->mode = UNUSED;
adamc@682 310 c->pass = -1;
adamc@667 311
adamc@682 312 c->next = clients_free;
adamc@682 313 clients_free = c;
adamc@667 314 }
adamc@667 315
adamc@682 316 static uw_Basis_channel new_channel(client *c) {
adamc@682 317 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668 318 return ch;
adamc@668 319 }
adamc@668 320
adam@1447 321 static void client_send(client *c, uw_buffer *msg, const char *script, int script_len) {
adamc@685 322 pthread_mutex_lock(&c->lock);
adamc@671 323
adamc@682 324 if (c->sock != -1) {
adamc@863 325 c->send(c->sock, on_success, strlen(on_success));
adamc@863 326 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1447 327 if (script_len > 0) {
adam@1447 328 c->send(c->sock, "E\n", 2);
adam@1447 329 c->send(c->sock, script, script_len);
adam@1447 330 c->send(c->sock, "\n", 1);
adam@1447 331 }
adam@1369 332 c->send(c->sock, msg->start, uw_buffer_used(msg));
adamc@863 333 c->close(c->sock);
adamc@682 334 c->sock = -1;
adam@1447 335 } else if ((script_len > 0
adam@1447 336 && (c->send(c->sock, "E\n", 2)
adam@1447 337 || c->send(c->sock, script, script_len)
adam@1447 338 || c->send(c->sock, "\n", 1)))
adam@1447 339 || uw_buffer_append(&c->msgs, msg->start, uw_buffer_used(msg)))
adamc@1113 340 fprintf(stderr, "Client message buffer size exceeded");
adamc@671 341
adamc@685 342 pthread_mutex_unlock(&c->lock);
adamc@668 343 }
adamc@668 344
adamc@668 345
adamc@668 346 // Global entry points
adamc@668 347
adamc@1164 348 extern void uw_global_custom();
adamc@1104 349 extern void uw_init_crypto();
adamc@1104 350
adamc@668 351 void uw_global_init() {
adamc@668 352 srand(time(NULL) ^ getpid());
adamc@668 353
adamc@668 354 clients = malloc(0);
adamc@1104 355
adamc@1164 356 uw_global_custom();
adamc@1104 357 uw_init_crypto();
adamc@1094 358 }
adamc@1094 359
adamc@1094 360 void uw_app_init(uw_app *app) {
adamc@1094 361 app->client_init();
adamc@668 362 }
adamc@668 363
adam@1332 364 int uw_time = 0, uw_time_max = 0, uw_min_heap = 0;
adamc@1114 365
adamc@668 366
adamc@667 367 // Single-request state
adamc@667 368
adamc@323 369 typedef struct regions {
adamc@323 370 struct regions *next;
adamc@323 371 } regions;
adamc@323 372
adamc@425 373 typedef struct {
adamc@425 374 void (*func)(void*);
adamc@425 375 void *arg;
adamc@425 376 } cleanup;
adamc@425 377
adamc@671 378 typedef struct {
adamc@682 379 unsigned client;
adam@1369 380 uw_buffer msgs;
adamc@682 381 } delta;
adamc@671 382
adamc@737 383 typedef enum {
adamc@759 384 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737 385 } input_kind;
adamc@737 386
adamc@756 387 typedef struct input {
adamc@737 388 input_kind kind;
adamc@737 389 union {
adamc@737 390 char *normal;
adamc@739 391 uw_Basis_file file;
adamc@756 392 struct {
adamc@759 393 struct input *fields, *parent;
adamc@756 394 } subform;
adamc@759 395 struct {
adamc@759 396 struct input *entries, *parent;
adamc@759 397 } subforms;
adamc@759 398 struct {
adamc@759 399 struct input *fields, *next, *parent;
adamc@759 400 } entry;
adamc@737 401 } data;
adamc@737 402 } input;
adamc@737 403
adamc@771 404 typedef struct {
adamc@771 405 void *data;
adam@1327 406 uw_callback commit, rollback;
adam@1327 407 uw_callback_with_retry free;
adamc@771 408 } transactional;
adamc@771 409
adamc@1061 410 typedef struct {
adamc@1061 411 char *name;
adamc@1061 412 void *data;
adamc@1061 413 void (*free)(void*);
adamc@1061 414 } global;
adamc@1061 415
adamc@311 416 struct uw_context {
adamc@1094 417 uw_app *app;
adam@1446 418 int id;
adamc@1094 419
adamc@854 420 char *(*get_header)(void *, const char *);
adamc@854 421 void *get_header_data;
adamc@457 422
adam@1369 423 uw_buffer outHeaders, page, heap, script;
adam@1451 424 int allowed_to_return_indirectly, returning_indirectly;
adamc@759 425 input *inputs, *subinputs, *cur_container;
adamc@1094 426 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167 427
adam@1446 428 unsigned long long source_count;
adamc@562 429
adamc@272 430 void *db;
adamc@272 431
adamc@167 432 jmp_buf jmp_buf;
adamc@167 433
adamc@323 434 regions *regions;
adamc@323 435
adamc@425 436 cleanup *cleanup, *cleanup_front, *cleanup_back;
adamc@425 437
adamc@1094 438 const char *script_header;
adamc@643 439
adamc@736 440 int needs_push, needs_sig;
adamc@693 441
adamc@682 442 size_t n_deltas, used_deltas;
adamc@682 443 delta *deltas;
adamc@671 444
adamc@682 445 client *client;
adamc@682 446
adamc@771 447 transactional *transactionals;
adamc@771 448 size_t n_transactionals, used_transactionals;
adamc@771 449
adamc@1061 450 global *globals;
adamc@1061 451 size_t n_globals;
adamc@1061 452
adamc@1066 453 char *current_url;
adamc@1066 454
adamc@1114 455 int deadline;
adamc@1114 456
adamc@1121 457 void *client_data;
adamc@1121 458
adam@1334 459 void *logger_data;
adam@1334 460 uw_logger log_debug;
adam@1334 461
adam@1386 462 int isPost, hasPostBody;
adam@1347 463 uw_Basis_postBody postBody;
adam@1370 464 uw_Basis_string queryString;
adam@1347 465
adam@1556 466 unsigned nextId;
adam@1556 467
adamc@167 468 char error_message[ERROR_BUF_LEN];
adamc@117 469 };
adamc@117 470
adamc@1113 471 size_t uw_headers_max = SIZE_MAX;
adamc@1113 472 size_t uw_page_max = SIZE_MAX;
adamc@1113 473 size_t uw_heap_max = SIZE_MAX;
adamc@1113 474 size_t uw_script_max = SIZE_MAX;
adamc@1113 475
adam@1446 476 uw_context uw_init(int id, void *logger_data, uw_logger log_debug) {
adamc@311 477 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 478
adamc@1094 479 ctx->app = NULL;
adam@1446 480 ctx->id = id;
adamc@1094 481
adamc@854 482 ctx->get_header = NULL;
adamc@854 483 ctx->get_header_data = NULL;
adamc@457 484
adam@1413 485 uw_buffer_init(uw_headers_max, &ctx->outHeaders, 1);
adam@1413 486 ctx->outHeaders.start[0] = 0;
adam@1413 487 uw_buffer_init(uw_page_max, &ctx->page, 1);
adam@1413 488 ctx->page.start[0] = 0;
adam@1451 489 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 490 uw_buffer_init(uw_heap_max, &ctx->heap, uw_min_heap);
adam@1369 491 uw_buffer_init(uw_script_max, &ctx->script, 1);
adamc@667 492 ctx->script.start[0] = 0;
adamc@136 493
adamc@1094 494 ctx->inputs = malloc(0);
adamc@759 495 ctx->cur_container = NULL;
adamc@756 496 ctx->subinputs = malloc(0);
adamc@1094 497 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 498
adamc@272 499 ctx->db = NULL;
adamc@272 500
adamc@323 501 ctx->regions = NULL;
adamc@323 502
adamc@425 503 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 504
adamc@643 505 ctx->script_header = "";
adamc@693 506 ctx->needs_push = 0;
adamc@736 507 ctx->needs_sig = 0;
adamc@1104 508
adamc@565 509 ctx->source_count = 0;
adamc@562 510
adamc@682 511 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 512 ctx->deltas = malloc(0);
adamc@671 513
adamc@700 514 ctx->client = NULL;
adamc@700 515
adamc@700 516 ctx->error_message[0] = 0;
adamc@700 517
adamc@771 518 ctx->transactionals = malloc(0);
adamc@771 519 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 520
adamc@1061 521 ctx->globals = malloc(0);
adamc@1061 522 ctx->n_globals = 0;
adamc@1061 523
adamc@1066 524 ctx->current_url = "";
adamc@1066 525
adamc@1114 526 ctx->deadline = INT_MAX;
adamc@1114 527
adamc@1121 528 ctx->client_data = uw_init_client_data();
adamc@1121 529
adam@1334 530 ctx->logger_data = logger_data;
adam@1334 531 ctx->log_debug = log_debug;
adam@1334 532
adam@1386 533 ctx->isPost = ctx->hasPostBody = 0;
adam@1347 534
adam@1370 535 ctx->queryString = NULL;
adam@1370 536
adam@1556 537 ctx->nextId = 0;
adam@1556 538
adamc@117 539 return ctx;
adamc@106 540 }
adamc@106 541
adamc@1113 542 size_t uw_inputs_max = SIZE_MAX;
adamc@1113 543
adamc@1121 544 uw_app *uw_get_app(uw_context ctx) {
adamc@1121 545 return ctx->app;
adamc@1121 546 }
adamc@1121 547
adamc@1113 548 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094 549 ctx->app = app;
adamc@1094 550
adamc@1105 551 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113 552 if (app->inputs_len > uw_inputs_max)
adamc@1113 553 return 1;
adamc@1113 554
adamc@1094 555 ctx->sz_inputs = app->inputs_len;
adamc@1094 556 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094 557 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094 558 }
adamc@1134 559
adamc@1134 560 return 0;
adamc@1094 561 }
adamc@1094 562
adamc@1121 563 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121 564 uw_copy_client_data(ctx->client_data, data);
adamc@1121 565 }
adamc@1121 566
adamc@311 567 void uw_set_db(uw_context ctx, void *db) {
adamc@272 568 ctx->db = db;
adamc@272 569 }
adamc@272 570
adamc@311 571 void *uw_get_db(uw_context ctx) {
adamc@272 572 return ctx->db;
adamc@272 573 }
adamc@272 574
adamc@311 575 void uw_free(uw_context ctx) {
adamc@671 576 size_t i;
adamc@671 577
adam@1369 578 uw_buffer_free(&ctx->outHeaders);
adam@1369 579 uw_buffer_free(&ctx->script);
adam@1369 580 uw_buffer_free(&ctx->page);
adam@1369 581 uw_buffer_free(&ctx->heap);
adamc@144 582 free(ctx->inputs);
adamc@756 583 free(ctx->subinputs);
adamc@425 584 free(ctx->cleanup);
adamc@771 585 free(ctx->transactionals);
adamc@1121 586 uw_free_client_data(ctx->client_data);
adamc@671 587
adamc@682 588 for (i = 0; i < ctx->n_deltas; ++i)
adam@1369 589 uw_buffer_free(&ctx->deltas[i].msgs);
marco-oweber@1330 590 free(ctx->deltas);
adamc@671 591
adamc@1061 592 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089 593 if (ctx->globals[i].free)
adamc@1089 594 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330 595 free(ctx->globals);
adamc@1061 596
adamc@136 597 free(ctx);
adamc@136 598 }
adamc@136 599
adamc@562 600 void uw_reset_keep_error_message(uw_context ctx) {
adam@1369 601 uw_buffer_reset(&ctx->outHeaders);
adam@1369 602 uw_buffer_reset(&ctx->script);
adamc@667 603 ctx->script.start[0] = 0;
adam@1369 604 uw_buffer_reset(&ctx->page);
adam@1451 605 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 606 uw_buffer_reset(&ctx->heap);
adamc@323 607 ctx->regions = NULL;
adamc@425 608 ctx->cleanup_front = ctx->cleanup;
adamc@682 609 ctx->used_deltas = 0;
adamc@682 610 ctx->client = NULL;
adamc@759 611 ctx->cur_container = NULL;
adamc@771 612 ctx->used_transactionals = 0;
adamc@1117 613 ctx->script_header = "";
adam@1370 614 ctx->queryString = NULL;
adam@1556 615 ctx->nextId = 0;
adamc@167 616 }
adamc@167 617
adamc@562 618 void uw_reset_keep_request(uw_context ctx) {
adamc@562 619 uw_reset_keep_error_message(ctx);
adamc@562 620 ctx->error_message[0] = 0;
adamc@167 621 }
adamc@167 622
adamc@311 623 void uw_reset(uw_context ctx) {
adamc@311 624 uw_reset_keep_request(ctx);
adamc@1105 625 if (ctx->app)
adamc@1105 626 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756 627 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adam@1461 628 ctx->used_subinputs = ctx->hasPostBody = ctx->isPost = 0;
adamc@144 629 }
adamc@144 630
adamc@311 631 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 632 int r = setjmp(ctx->jmp_buf);
adamc@272 633
adamc@1105 634 if (r == 0 && ctx->app)
adamc@1094 635 ctx->app->db_init(ctx);
adamc@272 636
adamc@272 637 return r;
adamc@272 638 }
adamc@272 639
adamc@1118 640 void uw_close(uw_context ctx) {
adamc@1118 641 ctx->app->db_close(ctx);
adamc@1118 642 }
adamc@1118 643
adam@1446 644 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adam@1446 645 return ctx->get_header(ctx->get_header_data, h);
adam@1446 646 }
adam@1446 647
adamc@854 648 void uw_set_headers(uw_context ctx, char *(*get_header)(void *, const char *), void *get_header_data) {
adamc@854 649 ctx->get_header = get_header;
adamc@854 650 ctx->get_header_data = get_header_data;
adamc@742 651 }
adamc@742 652
adamc@801 653 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801 654 va_list ap;
adamc@801 655 va_start(ap, fmt);
adamc@801 656
adamc@801 657 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801 658 }
adamc@801 659
adamc@1131 660 int uw_has_error(uw_context ctx) {
adamc@1131 661 return ctx->error_message[0] != 0;
adamc@1131 662 }
adamc@1131 663
adamc@311 664 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 665 cleanup *cl;
adamc@425 666
adamc@167 667 va_list ap;
adamc@167 668 va_start(ap, fmt);
adamc@167 669
adamc@167 670 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 671
adamc@425 672 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 673 cl->func(cl->arg);
adamc@425 674
adamc@425 675 ctx->cleanup_front = ctx->cleanup;
adamc@425 676
adamc@190 677 longjmp(ctx->jmp_buf, fk);
adamc@167 678 }
adamc@167 679
adamc@1113 680 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113 681
adamc@425 682 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 683 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 684 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 685 if (len == 0)
adamc@425 686 newLen = 1;
adamc@425 687 else
adamc@428 688 newLen = len * 2;
adamc@1113 689
adamc@1134 690 if (newLen > uw_cleanup_max) {
adamc@1113 691 if (len+1 <= uw_cleanup_max)
adamc@1113 692 newLen = uw_cleanup_max;
adamc@1113 693 else
adamc@1113 694 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134 695 }
adamc@1113 696
adamc@470 697 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 698 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 699 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 700 }
adamc@425 701
adamc@425 702 ctx->cleanup_front->func = func;
adamc@425 703 ctx->cleanup_front->arg = arg;
adamc@425 704 ++ctx->cleanup_front;
adamc@425 705 }
adamc@425 706
adam@1444 707 char *uw_Basis_htmlifyString(uw_context, const char *);
adam@1444 708
adamc@682 709 void uw_login(uw_context ctx) {
adamc@693 710 if (ctx->needs_push) {
adamc@682 711 char *id_s, *pass_s;
adamc@682 712
adamc@682 713 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adamc@682 714 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adamc@682 715 unsigned id = atoi(id_s);
adamc@682 716 int pass = atoi(pass_s);
adamc@682 717 client *c = find_client(id);
adamc@682 718
adamc@682 719 if (c == NULL)
adam@1444 720 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", uw_Basis_htmlifyString(ctx, id_s), uw_Basis_htmlifyString(ctx, pass_s));
adamc@682 721 else {
adamc@685 722 use_client(c);
adamc@682 723 ctx->client = c;
adamc@682 724
adamc@682 725 if (c->mode != USED)
adamc@682 726 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adamc@682 727 if (c->pass != pass)
adamc@682 728 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@682 729 }
adamc@682 730 } else {
adamc@682 731 client *c = new_client();
adamc@1113 732
adamc@1113 733 if (c == NULL)
adamc@1113 734 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adamc@1113 735
adamc@685 736 use_client(c);
adamc@1121 737 uw_copy_client_data(c->data, ctx->client_data);
adamc@682 738 ctx->client = c;
adamc@864 739 }
adamc@682 740 }
adamc@682 741 }
adamc@682 742
adamc@671 743 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671 744 int r = setjmp(ctx->jmp_buf);
adamc@671 745
adamc@671 746 if (r == 0) {
adamc@1094 747 if (ctx->app->db_begin(ctx))
adamc@671 748 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adamc@682 749
adamc@1094 750 ctx->app->handle(ctx, path);
adamc@671 751 }
adamc@671 752
adamc@671 753 return r;
adamc@671 754 }
adamc@671 755
adamc@772 756 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682 757 if (ctx->client == NULL)
adamc@682 758 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682 759
adamc@682 760 return ctx->client->id;
adamc@682 761 }
adamc@682 762
adamc@425 763 void uw_pop_cleanup(uw_context ctx) {
adamc@425 764 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 765 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 766
adamc@425 767 --ctx->cleanup_front;
adamc@425 768 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 769 }
adamc@425 770
adamc@311 771 char *uw_error_message(uw_context ctx) {
adamc@167 772 return ctx->error_message;
adamc@167 773 }
adamc@167 774
adamc@1115 775 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115 776 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115 777 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115 778 }
adamc@1115 779
adamc@759 780 static input *INP(uw_context ctx) {
adamc@759 781 if (ctx->cur_container == NULL)
adamc@759 782 return ctx->inputs;
adamc@759 783 else if (ctx->cur_container->kind == SUBFORM)
adamc@759 784 return ctx->cur_container->data.subform.fields;
adamc@759 785 else if (ctx->cur_container->kind == ENTRY)
adamc@759 786 return ctx->cur_container->data.entry.fields;
adamc@759 787 else
adamc@760 788 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759 789 }
adamc@759 790
adamc@760 791 static void adjust_pointer(input **ptr, input *old_start, input *new_start, size_t len) {
adamc@760 792 if (*ptr != NULL && *ptr >= old_start && *ptr < old_start + len)
adamc@760 793 *ptr += new_start - old_start;
adamc@760 794 }
adamc@760 795
adamc@760 796 static void adjust_input(input *x, input *old_start, input *new_start, size_t len) {
adamc@759 797 switch (x->kind) {
adamc@759 798 case SUBFORM:
adamc@760 799 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760 800 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759 801 break;
adamc@759 802 case SUBFORMS:
adamc@760 803 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760 804 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759 805 break;
adamc@759 806 case ENTRY:
adamc@760 807 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760 808 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760 809 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134 810 break;
adamc@1134 811 default:
adamc@1134 812 break;
adamc@759 813 }
adamc@759 814 }
adamc@759 815
adamc@1113 816 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113 817
adamc@759 818 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759 819 size_t i;
adamc@759 820 input *r;
adamc@759 821
adamc@759 822 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113 823 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113 824 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113 825
adamc@759 826 input *new_subinputs = realloc(ctx->subinputs, sizeof(input) * (ctx->used_subinputs + len));
adamc@759 827
adamc@760 828 if (ctx->subinputs != new_subinputs) {
adamc@760 829 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760 830 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094 831 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760 832 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 833
adamc@760 834 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 835
adamc@760 836 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760 837 ctx->subinputs = new_subinputs;
adamc@760 838 }
adamc@759 839 }
adamc@759 840
adamc@759 841 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759 842
adamc@759 843 for (i = 0; i < len; ++i)
adam@1474 844 ctx->subinputs[ctx->used_subinputs++].kind = UNSET;
adamc@759 845
adamc@759 846 return r;
adamc@759 847 }
adamc@756 848
adamc@801 849 int uw_set_input(uw_context ctx, const char *name, char *value) {
adamc@1050 850 //printf("Input name %s\n", name);
adamc@1038 851
adamc@756 852 if (!strcasecmp(name, ".b")) {
adamc@1094 853 int n = ctx->app->input_num(value);
adamc@756 854 input *inps;
adamc@756 855
adamc@801 856 if (n < 0) {
adam@1444 857 uw_set_error(ctx, "Bad subform name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 858 return -1;
adamc@801 859 }
adamc@801 860
adamc@1094 861 if (n >= ctx->app->inputs_len) {
adam@1444 862 uw_set_error(ctx, "For subform name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 863 return -1;
adamc@801 864 }
adamc@756 865
adamc@1094 866 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759 867
adamc@759 868 INP(ctx)[n].kind = SUBFORM;
adamc@759 869 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759 870 INP(ctx)[n].data.subform.fields = inps;
adamc@759 871 ctx->cur_container = &INP(ctx)[n];
adamc@756 872 } else if (!strcasecmp(name, ".e")) {
adamc@756 873 input *tmp;
adamc@756 874
adamc@801 875 if (ctx->cur_container == NULL) {
adamc@801 876 uw_set_error(ctx, "Unmatched subform closer");
adamc@801 877 return -1;
adamc@801 878 }
adamc@756 879
adamc@759 880 tmp = ctx->cur_container;
adamc@759 881 switch (tmp->kind) {
adamc@759 882 case SUBFORM:
adamc@759 883 ctx->cur_container = tmp->data.subform.parent;
adamc@759 884 tmp->data.subform.parent = NULL;
adamc@759 885 break;
adamc@759 886 case SUBFORMS:
adamc@759 887 ctx->cur_container = tmp->data.subforms.parent;
adamc@759 888 tmp->data.subforms.parent = NULL;
adamc@759 889 break;
adamc@759 890 case ENTRY:
adamc@759 891 ctx->cur_container = tmp->data.entry.parent;
adamc@759 892 break;
adamc@759 893 default:
adamc@801 894 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801 895 return -1;
adamc@759 896 }
adamc@759 897 } else if (!strcasecmp(name, ".s")) {
adamc@1094 898 int n = ctx->app->input_num(value);
adamc@759 899
adamc@801 900 if (n < 0) {
adam@1444 901 uw_set_error(ctx, "Bad subforms name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 902 return -1;
adamc@801 903 }
adamc@801 904
adamc@1094 905 if (n >= ctx->app->inputs_len) {
adam@1444 906 uw_set_error(ctx, "For subforms name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 907 return -1;
adamc@801 908 }
adamc@759 909
adamc@759 910 INP(ctx)[n].kind = SUBFORMS;
adamc@759 911 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 912 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759 913 ctx->cur_container = &INP(ctx)[n];
adamc@759 914 } else if (!strcasecmp(name, ".i")) {
adamc@759 915 input *inps;
adamc@759 916
adamc@801 917 if (!ctx->cur_container) {
adamc@801 918 uw_set_error(ctx, "New entry without container");
adamc@801 919 return -1;
adamc@801 920 }
adamc@801 921
adamc@801 922 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801 923 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801 924 return -1;
adamc@801 925 }
adamc@759 926
adamc@1094 927 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759 928
adamc@759 929 inps->kind = ENTRY;
adamc@759 930 inps->data.entry.parent = ctx->cur_container;
adamc@759 931 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759 932 ctx->cur_container->data.subforms.entries = inps;
adamc@759 933
adamc@759 934 inps->data.entry.fields = inps+1;
adamc@759 935 ctx->cur_container = inps;
adamc@756 936 } else {
adamc@1094 937 int n = ctx->app->input_num(name);
adamc@756 938
adam@1384 939 if (n < 0)
adam@1384 940 return 0;
adamc@801 941
adamc@1094 942 if (n >= ctx->app->inputs_len) {
adam@1444 943 uw_set_error(ctx, "For input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801 944 return -1;
adamc@801 945 }
adamc@756 946
adamc@756 947 INP(ctx)[n].kind = NORMAL;
adamc@756 948 INP(ctx)[n].data.normal = value;
adamc@756 949 }
adamc@801 950
adamc@801 951 return 0;
adamc@144 952 }
adamc@144 953
adamc@311 954 char *uw_get_input(uw_context ctx, int n) {
adamc@169 955 if (n < 0)
adamc@311 956 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 957 if (n >= ctx->app->inputs_len)
adamc@311 958 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 959
adamc@756 960 switch (INP(ctx)[n].kind) {
adamc@737 961 case UNSET:
adamc@737 962 return NULL;
adamc@739 963 case FIL:
adamc@739 964 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 965 case SUBFORM:
adamc@756 966 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 967 case SUBFORMS:
adamc@759 968 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 969 case ENTRY:
adamc@759 970 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 971 case NORMAL:
adamc@756 972 return INP(ctx)[n].data.normal;
adamc@737 973 default:
adamc@737 974 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 975 }
adamc@138 976 }
adamc@138 977
adamc@311 978 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 979 if (n < 0)
adamc@311 980 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 981 if (n >= ctx->app->inputs_len)
adamc@311 982 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 983
adamc@756 984 switch (INP(ctx)[n].kind) {
adamc@737 985 case UNSET:
adamc@737 986 return "";
adamc@739 987 case FIL:
adamc@739 988 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 989 case SUBFORM:
adamc@756 990 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 991 case SUBFORMS:
adamc@759 992 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 993 case ENTRY:
adamc@759 994 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 995 case NORMAL:
adamc@756 996 return INP(ctx)[n].data.normal;
adamc@737 997 default:
adamc@737 998 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 999 }
adamc@737 1000 }
adamc@737 1001
adamc@801 1002 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094 1003 int n = ctx->app->input_num(name);
adamc@737 1004
adamc@801 1005 if (n < 0) {
adam@1444 1006 uw_set_error(ctx, "Bad file input name %s", uw_Basis_htmlifyString(ctx, name));
adamc@801 1007 return -1;
adamc@801 1008 }
adamc@801 1009
adamc@1094 1010 if (n >= ctx->app->inputs_len) {
adam@1444 1011 uw_set_error(ctx, "For file input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801 1012 return -1;
adamc@801 1013 }
adamc@737 1014
adamc@739 1015 ctx->inputs[n].kind = FIL;
adamc@739 1016 ctx->inputs[n].data.file = f;
adamc@801 1017
adamc@801 1018 return 0;
adamc@737 1019 }
adamc@737 1020
adamc@739 1021 void *uw_malloc(uw_context ctx, size_t len);
adamc@739 1022
adamc@739 1023 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737 1024 if (n < 0)
adamc@737 1025 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094 1026 if (n >= ctx->app->inputs_len)
adamc@737 1027 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737 1028
adamc@756 1029 switch (INP(ctx)[n].kind) {
adamc@737 1030 case UNSET:
adamc@737 1031 {
adamc@739 1032 char *data = uw_malloc(ctx, 0);
adamc@740 1033 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739 1034 return f;
adamc@737 1035 }
adamc@739 1036 case FIL:
adamc@756 1037 return INP(ctx)[n].data.file;
adamc@737 1038 case NORMAL:
adamc@737 1039 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756 1040 case SUBFORM:
adamc@756 1041 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759 1042 case SUBFORMS:
adamc@759 1043 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759 1044 case ENTRY:
adamc@759 1045 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737 1046 default:
adamc@737 1047 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1048 }
adamc@190 1049 }
adamc@190 1050
adamc@756 1051 void uw_enter_subform(uw_context ctx, int n) {
adamc@756 1052 if (n < 0)
adamc@756 1053 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094 1054 if (n >= ctx->app->inputs_len)
adamc@756 1055 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756 1056
adamc@756 1057 switch (INP(ctx)[n].kind) {
adamc@756 1058 case UNSET:
adamc@756 1059 uw_error(ctx, FATAL, "Missing subform");
adamc@756 1060 case FIL:
adamc@756 1061 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756 1062 case NORMAL:
adamc@756 1063 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759 1064 case SUBFORMS:
adamc@759 1065 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759 1066 case ENTRY:
adamc@759 1067 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756 1068 case SUBFORM:
adamc@759 1069 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760 1070 ctx->cur_container = &INP(ctx)[n];
adamc@756 1071 return;
adamc@756 1072 default:
adamc@756 1073 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756 1074 }
adamc@756 1075 }
adamc@756 1076
adamc@756 1077 void uw_leave_subform(uw_context ctx) {
adamc@756 1078 input *tmp;
adamc@756 1079
adamc@759 1080 if (ctx->cur_container == NULL)
adamc@756 1081 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756 1082
adamc@759 1083 tmp = ctx->cur_container;
adamc@759 1084 ctx->cur_container = tmp->data.subform.parent;
adamc@759 1085 tmp->data.subform.parent = NULL;
adamc@759 1086 }
adamc@759 1087
adamc@759 1088 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759 1089 input *inps;
adamc@759 1090
adamc@759 1091 if (n < 0)
adamc@759 1092 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094 1093 if (n >= ctx->app->inputs_len)
adamc@759 1094 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759 1095
adamc@759 1096 switch (INP(ctx)[n].kind) {
adamc@759 1097 case UNSET:
adamc@759 1098 uw_error(ctx, FATAL, "Missing subforms");
adamc@759 1099 case FIL:
adamc@759 1100 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759 1101 case NORMAL:
adamc@759 1102 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759 1103 case SUBFORM:
adamc@759 1104 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759 1105 case ENTRY:
adamc@759 1106 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759 1107 case SUBFORMS:
adamc@759 1108 inps = INP(ctx)[n].data.subforms.entries;
adamc@759 1109 if (inps) {
adamc@759 1110 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 1111 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759 1112 return 1;
adamc@759 1113 } else
adamc@759 1114 return 0;
adamc@759 1115 default:
adamc@759 1116 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1117 }
adamc@759 1118 }
adamc@759 1119
adamc@759 1120 int uw_next_entry(uw_context ctx) {
adamc@759 1121 if (ctx->cur_container == NULL)
adamc@759 1122 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759 1123
adamc@759 1124 switch (ctx->cur_container->kind) {
adamc@759 1125 case UNSET:
adamc@759 1126 uw_error(ctx, FATAL, "Missing entry");
adamc@759 1127 case FIL:
adamc@759 1128 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759 1129 case NORMAL:
adamc@759 1130 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759 1131 case SUBFORM:
adamc@759 1132 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759 1133 case SUBFORMS:
adamc@759 1134 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759 1135 case ENTRY:
adamc@759 1136 if (ctx->cur_container->data.entry.next) {
adamc@759 1137 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759 1138 return 1;
adamc@759 1139 } else {
adamc@759 1140 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759 1141 return 0;
adamc@759 1142 }
adamc@759 1143 default:
adamc@759 1144 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1145 }
adamc@756 1146 }
adamc@756 1147
adamc@643 1148 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 1149 ctx->script_header = s;
adamc@643 1150 }
adamc@643 1151
adamc@1094 1152 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094 1153 return ctx->app->url_prefix;
adamc@667 1154 }
adamc@667 1155
adamc@693 1156 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693 1157 ctx->needs_push = n;
adamc@693 1158 }
adamc@693 1159
adamc@736 1160 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736 1161 ctx->needs_sig = n;
adamc@736 1162 }
adamc@736 1163
adamc@667 1164
adam@1369 1165 static void uw_buffer_check_ctx(uw_context ctx, const char *kind, uw_buffer *b, size_t extra, const char *desc) {
adamc@666 1166 if (b->back - b->front < extra) {
adamc@666 1167 size_t desired = b->front - b->start + extra, next;
adamc@136 1168 char *new_heap;
adamc@136 1169
adamc@666 1170 next = b->back - b->start;
adamc@317 1171 if (next == 0)
adamc@317 1172 next = 1;
adamc@317 1173 for (; next < desired; next *= 2);
adamc@136 1174
adamc@1134 1175 if (next > b->max) {
adamc@1113 1176 if (desired <= b->max)
adamc@1113 1177 next = desired;
adamc@1113 1178 else
adamc@1113 1179 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134 1180 }
adamc@1113 1181
adamc@666 1182 new_heap = realloc(b->start, next);
adamc@666 1183 b->front = new_heap + (b->front - b->start);
adamc@666 1184 b->back = new_heap + next;
adamc@136 1185
adamc@667 1186 if (new_heap != b->start) {
adamc@666 1187 b->start = new_heap;
adam@1389 1188 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously; increasing size to %llu", desc, (unsigned long long)next);
adamc@136 1189 }
adamc@136 1190
adamc@666 1191 b->start = new_heap;
adamc@136 1192 }
adamc@136 1193 }
adamc@136 1194
adamc@832 1195 void uw_check_heap(uw_context ctx, size_t extra) {
adam@1369 1196 uw_buffer_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666 1197 }
adamc@666 1198
adamc@832 1199 char *uw_heap_front(uw_context ctx) {
adamc@832 1200 return ctx->heap.front;
adamc@832 1201 }
adamc@832 1202
adamc@832 1203 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832 1204 ctx->heap.front = fr;
adamc@832 1205 }
adamc@832 1206
adamc@311 1207 void *uw_malloc(uw_context ctx, size_t len) {
adamc@136 1208 void *result;
adamc@136 1209
adamc@311 1210 uw_check_heap(ctx, len);
adamc@136 1211
adamc@666 1212 result = ctx->heap.front;
adamc@666 1213 ctx->heap.front += len;
adamc@136 1214 return result;
adamc@117 1215 }
adamc@117 1216
adamc@323 1217 void uw_begin_region(uw_context ctx) {
adamc@666 1218 regions *r = (regions *) ctx->heap.front;
adamc@323 1219
adamc@323 1220 uw_check_heap(ctx, sizeof(regions));
adamc@323 1221
adamc@666 1222 ctx->heap.front += sizeof(regions);
adamc@323 1223
adamc@323 1224 r->next = ctx->regions;
adamc@323 1225 ctx->regions = r;
adamc@323 1226 }
adamc@323 1227
adamc@323 1228 void uw_end_region(uw_context ctx) {
adamc@323 1229 regions *r = ctx->regions;
adamc@323 1230
adamc@323 1231 if (r == NULL)
adamc@323 1232 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 1233
adamc@666 1234 ctx->heap.front = (char *) r;
adamc@323 1235 ctx->regions = r->next;
adamc@323 1236 }
adamc@323 1237
adamc@324 1238 void uw_memstats(uw_context ctx) {
adam@1369 1239 printf("Headers: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->outHeaders), (unsigned long)uw_buffer_avail(&ctx->outHeaders));
adam@1369 1240 printf("Script: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->script), (unsigned long)uw_buffer_avail(&ctx->script));
adam@1369 1241 printf("Page: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->page), (unsigned long)uw_buffer_avail(&ctx->page));
adam@1369 1242 printf("Heap: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->heap), (unsigned long)uw_buffer_avail(&ctx->heap));
adamc@324 1243 }
adamc@324 1244
adamc@311 1245 int uw_send(uw_context ctx, int sock) {
adamc@666 1246 int n = uw_really_send(sock, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@462 1247
adamc@462 1248 if (n < 0)
adamc@462 1249 return n;
adamc@462 1250
adamc@462 1251 n = uw_really_send(sock, "\r\n", 2);
adamc@462 1252
adamc@462 1253 if (n < 0)
adamc@462 1254 return n;
adamc@462 1255
adamc@666 1256 return uw_really_send(sock, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@462 1257 }
adamc@462 1258
adamc@856 1259 int uw_print(uw_context ctx, int fd) {
adamc@856 1260 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856 1261
adamc@856 1262 if (n < 0)
adamc@856 1263 return n;
adamc@856 1264
adamc@856 1265 n = uw_really_write(fd, "\r\n", 2);
adamc@856 1266
adamc@856 1267 if (n < 0)
adamc@856 1268 return n;
adamc@856 1269
adamc@856 1270 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856 1271 }
adamc@856 1272
adamc@860 1273 int uw_output(uw_context ctx, int (*output)(void *data, char *buf, size_t len), void *data) {
adamc@860 1274 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860 1275
adamc@860 1276 if (n < 0)
adamc@860 1277 return n;
adamc@860 1278
adamc@860 1279 n = output(data, "\r\n", 2);
adamc@860 1280
adamc@860 1281 if (n < 0)
adamc@860 1282 return n;
adamc@860 1283
adamc@860 1284 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860 1285 }
adamc@860 1286
adamc@462 1287 static void uw_check_headers(uw_context ctx, size_t extra) {
adam@1369 1288 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462 1289 }
adamc@462 1290
adamc@462 1291 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 1292 int len = strlen(s);
adamc@462 1293
adamc@462 1294 uw_check_headers(ctx, len + 1);
adamc@666 1295 strcpy(ctx->outHeaders.front, s);
adamc@666 1296 ctx->outHeaders.front += len;
adamc@562 1297 }
adamc@562 1298
adamc@1110 1299 void uw_clear_headers(uw_context ctx) {
adam@1369 1300 uw_buffer_reset(&ctx->outHeaders);
adamc@1110 1301 }
adamc@1110 1302
adamc@562 1303 static void uw_check_script(uw_context ctx, size_t extra) {
adam@1369 1304 ctx_uw_buffer_check(ctx, "script", &ctx->script, extra);
adamc@562 1305 }
adamc@562 1306
adamc@562 1307 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 1308 int len = strlen(s);
adamc@562 1309
adamc@562 1310 uw_check_script(ctx, len + 1);
adamc@666 1311 strcpy(ctx->script.front, s);
adamc@666 1312 ctx->script.front += len;
adamc@562 1313 }
adamc@562 1314
adamc@645 1315 const char *uw_Basis_get_script(uw_context ctx, uw_unit u) {
adamc@916 1316 return "<sc>";
adamc@565 1317 }
adamc@565 1318
adam@1446 1319 const char *uw_get_real_script(uw_context ctx) {
adam@1446 1320 return ctx->script.start;
adam@1446 1321 }
adam@1446 1322
adamc@695 1323 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695 1324 if (s[0] == 0)
adamc@695 1325 return "";
adamc@695 1326 else {
adamc@695 1327 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695 1328 sprintf(r, " onload='%s'", s);
adamc@695 1329 return r;
adamc@695 1330 }
adamc@695 1331 }
adamc@695 1332
adamc@1042 1333 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042 1334 if (ctx->script_header[0] == 0)
adamc@1042 1335 return "";
adamc@1042 1336 else {
adamc@1042 1337 char *r = uw_malloc(ctx, 22 + strlen(s));
adamc@1042 1338 sprintf(r, " onunload='unload();%s'", s);
adamc@1042 1339 return r;
adamc@1042 1340 }
adamc@1042 1341 }
adamc@1042 1342
adamc@694 1343 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736 1344 if (ctx->client == NULL) {
adamc@736 1345 if (ctx->needs_sig) {
adamc@1094 1346 char *sig = ctx->app->cookie_sig(ctx);
adamc@736 1347 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736 1348 sprintf(r, "sig=\"%s\";", sig);
adamc@736 1349 return r;
adamc@736 1350 }
adamc@736 1351 else
adamc@736 1352 return "";
adamc@736 1353 } else {
adamc@1094 1354 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094 1355 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736 1356 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adam@1552 1357 sprintf(r, "isPost=%s;client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adam@1552 1358 (ctx->isPost ? "true" : "false"),
adamc@682 1359 ctx->client->id,
adamc@682 1360 ctx->client->pass,
adamc@1094 1361 ctx->app->url_prefix,
adamc@1094 1362 ctx->app->timeout,
adamc@736 1363 ctx->needs_sig ? "sig=\"" : "",
adamc@736 1364 sig,
adamc@736 1365 ctx->needs_sig ? "\";" : "");
adamc@679 1366 return r;
adamc@668 1367 }
adamc@667 1368 }
adamc@667 1369
adamc@574 1370 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 1371 char *r, *s2;
adamc@574 1372
adam@1446 1373 uw_check_heap(ctx, strlen(s) * 4 + 3);
adamc@574 1374
adamc@666 1375 r = s2 = ctx->heap.front;
adamc@574 1376 *s2++ = '"';
adamc@574 1377
adamc@574 1378 for (; *s; s++) {
adam@1286 1379 unsigned char c = *s;
adamc@574 1380
adamc@574 1381 switch (c) {
adamc@574 1382 case '"':
adamc@574 1383 strcpy(s2, "\\\"");
adamc@574 1384 s2 += 2;
adamc@574 1385 break;
adamc@1027 1386 case '\'':
adamc@1027 1387 strcpy(s2, "\\047");
adamc@1027 1388 s2 += 4;
adamc@1027 1389 break;
adamc@574 1390 case '\\':
adamc@574 1391 strcpy(s2, "\\\\");
adamc@574 1392 s2 += 2;
adamc@574 1393 break;
adam@1457 1394 case '<':
adam@1457 1395 strcpy(s2, "\\074");
adam@1457 1396 s2 += 4;
adam@1457 1397 break;
adamc@574 1398 default:
adam@1286 1399 if (isprint((int)c) || c >= 128)
adamc@574 1400 *s2++ = c;
adamc@574 1401 else {
adam@1429 1402 sprintf(s2, "\\%03o", c);
adamc@574 1403 s2 += 4;
adamc@574 1404 }
adamc@574 1405 }
adamc@574 1406 }
adamc@574 1407
adamc@574 1408 strcpy(s2, "\"");
adamc@910 1409 ctx->heap.front = s2 + 2;
adamc@574 1410 return r;
adamc@574 1411 }
adamc@574 1412
adam@1286 1413 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286 1414 unsigned char c = c1;
adamc@1025 1415 char *r, *s2;
adamc@1025 1416
adam@1446 1417 uw_check_heap(ctx, 7);
adamc@1025 1418
adamc@1025 1419 r = s2 = ctx->heap.front;
adamc@1025 1420 *s2++ = '"';
adamc@1025 1421
adamc@1025 1422 switch (c) {
adamc@1025 1423 case '"':
adamc@1025 1424 strcpy(s2, "\\\"");
adamc@1025 1425 s2 += 2;
adamc@1025 1426 break;
adamc@1027 1427 case '\'':
adamc@1027 1428 strcpy(s2, "\\047");
adamc@1027 1429 s2 += 4;
adamc@1027 1430 break;
adamc@1025 1431 case '\\':
adamc@1025 1432 strcpy(s2, "\\\\");
adamc@1025 1433 s2 += 2;
adamc@1025 1434 break;
adam@1457 1435 case '<':
adam@1457 1436 strcpy(s2, "\\074");
adam@1457 1437 s2 += 4;
adam@1457 1438 break;
adamc@1025 1439 default:
adam@1286 1440 if (isprint((int)c) || c >= 128)
adamc@1025 1441 *s2++ = c;
adamc@1025 1442 else {
adam@1429 1443 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1025 1444 s2 += 4;
adamc@1025 1445 }
adamc@1025 1446 }
adamc@1025 1447
adamc@1025 1448 strcpy(s2, "\"");
adamc@1025 1449 ctx->heap.front = s2 + 2;
adamc@1025 1450 return r;
adamc@1025 1451 }
adamc@1025 1452
adamc@574 1453 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 1454 char *r, *s2;
adamc@574 1455
adam@1446 1456 uw_check_script(ctx, strlen(s) * 4 + 3);
adamc@574 1457
adamc@666 1458 r = s2 = ctx->script.front;
adamc@574 1459 *s2++ = '"';
adamc@574 1460
adamc@574 1461 for (; *s; s++) {
adam@1286 1462 unsigned char c = *s;
adamc@574 1463
adamc@574 1464 switch (c) {
adamc@577 1465 case '\'':
adamc@1027 1466 strcpy(s2, "\\");
adamc@574 1467 s2 += 2;
adamc@574 1468 break;
adamc@574 1469 case '\\':
adamc@574 1470 strcpy(s2, "\\\\");
adamc@574 1471 s2 += 2;
adamc@574 1472 break;
adam@1457 1473 case '<':
adam@1457 1474 strcpy(s2, "\\074");
adam@1457 1475 s2 += 4;
adam@1457 1476 break;
adamc@574 1477 default:
adam@1286 1478 if (isprint((int)c) || c >= 128)
adamc@574 1479 *s2++ = c;
adamc@574 1480 else {
adam@1429 1481 sprintf(s2, "\\%03o", c);
adamc@574 1482 s2 += 4;
adamc@574 1483 }
adamc@574 1484 }
adamc@574 1485 }
adamc@574 1486
adamc@574 1487 strcpy(s2, "\"");
adamc@666 1488 ctx->script.front = s2 + 1;
adamc@574 1489 return r;
adamc@574 1490 }
adamc@574 1491
adamc@682 1492 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1493 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1494 return "null";
adamc@682 1495 else {
adamc@682 1496 int len;
adamc@682 1497 char *r;
adamc@682 1498
adamc@682 1499 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1500 r = ctx->heap.front;
adamc@682 1501 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1502 ctx->heap.front += len+1;
adamc@682 1503 return r;
adamc@682 1504 }
adamc@682 1505 }
adamc@682 1506
adam@1446 1507 uw_Basis_source uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 1508 int len;
adamc@577 1509 size_t s_len = strlen(s);
adamc@562 1510
adam@1446 1511 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1512 sprintf(ctx->script.front, "s%d_%llu=sc(exec(%n", ctx->id, ctx->source_count, &len);
adamc@666 1513 ctx->script.front += len;
adamc@666 1514 strcpy(ctx->script.front, s);
adamc@666 1515 ctx->script.front += s_len;
adamc@970 1516 strcpy(ctx->script.front, "));");
adamc@972 1517 ctx->script.front += 3;
adamc@562 1518
adam@1446 1519 uw_Basis_source r = {ctx->id, ctx->source_count++};
adam@1446 1520 return r;
adam@1446 1521 }
adam@1446 1522
adam@1446 1523 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_source src, uw_Basis_string s) {
adamc@577 1524 int len;
adamc@577 1525 size_t s_len = strlen(s);
adamc@577 1526
adam@1446 1527 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1528 sprintf(ctx->script.front, "sv(s%d_%llu,exec(%n", src.context, src.source, &len);
adamc@666 1529 ctx->script.front += len;
adamc@666 1530 strcpy(ctx->script.front, s);
adamc@666 1531 ctx->script.front += s_len;
adamc@970 1532 strcpy(ctx->script.front, "));");
adamc@972 1533 ctx->script.front += 3;
adamc@577 1534
adamc@577 1535 return uw_unit_v;
adamc@577 1536 }
adamc@577 1537
adamc@311 1538 static void uw_check(uw_context ctx, size_t extra) {
adam@1369 1539 ctx_uw_buffer_check(ctx, "page", &ctx->page, extra);
adamc@117 1540 }
adamc@117 1541
adamc@311 1542 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 1543 *(ctx->page.front)++ = c;
adam@1413 1544 *ctx->page.front = 0;
adamc@117 1545 }
adamc@117 1546
adamc@311 1547 void uw_writec(uw_context ctx, char c) {
adam@1413 1548 uw_check(ctx, 2);
adamc@311 1549 uw_writec_unsafe(ctx, c);
adamc@117 1550 }
adamc@117 1551
adamc@311 1552 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 1553 int len = strlen(s);
adamc@666 1554 memcpy(ctx->page.front, s, len);
adamc@666 1555 ctx->page.front += len;
adamc@117 1556 }
adamc@117 1557
adamc@311 1558 void uw_write(uw_context ctx, const char* s) {
adamc@311 1559 uw_check(ctx, strlen(s) + 1);
adamc@311 1560 uw_write_unsafe(ctx, s);
adamc@666 1561 *ctx->page.front = 0;
adamc@102 1562 }
adamc@106 1563
adamc@311 1564 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 1565 char *result;
adamc@136 1566 int len;
adamc@311 1567 uw_check_heap(ctx, INTS_MAX);
adamc@666 1568 result = ctx->heap.front;
adamc@276 1569 sprintf(result, "%lld%n", n, &len);
adamc@666 1570 ctx->heap.front += len+1;
adamc@136 1571 return result;
adamc@106 1572 }
adamc@106 1573
adamc@311 1574 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 1575 char *result;
adamc@136 1576 int len;
adamc@311 1577 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1578 result = ctx->heap.front;
adamc@136 1579 sprintf(result, "%g%n", n, &len);
adamc@666 1580 ctx->heap.front += len+1;
adamc@136 1581 return result;
adamc@106 1582 }
adamc@106 1583
adamc@311 1584 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 1585 int len = strlen(s);
adamc@136 1586 char *result, *p;
adamc@311 1587 uw_check_heap(ctx, len * 6 + 1);
adamc@136 1588
adamc@666 1589 result = p = ctx->heap.front;
adamc@136 1590
adamc@136 1591 for (; *s; s++) {
adamc@1054 1592 unsigned char c = *s;
adamc@136 1593
adamc@136 1594 if (c == '"') {
adamc@136 1595 strcpy(p, "&quot;");
adamc@136 1596 p += 6;
adamc@136 1597 } else if (c == '&') {
adamc@136 1598 strcpy(p, "&amp;");
adamc@136 1599 p += 5;
adamc@136 1600 }
adamc@1059 1601 else
adamc@136 1602 *p++ = c;
adamc@136 1603 }
adamc@136 1604
adamc@137 1605 *p++ = 0;
adamc@666 1606 ctx->heap.front = p;
adamc@136 1607 return result;
adamc@106 1608 }
adamc@106 1609
adamc@1011 1610 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 1611 char *result, *p;
adamc@1011 1612 uw_check_heap(ctx, 7);
adamc@1011 1613
adamc@1011 1614 result = p = ctx->heap.front;
adamc@1011 1615
adamc@1011 1616 if (c == '"') {
adamc@1011 1617 strcpy(p, "&quot;");
adamc@1011 1618 p += 6;
adamc@1011 1619 } else if (c == '&') {
adamc@1011 1620 strcpy(p, "&amp;");
adamc@1011 1621 p += 5;
adamc@1011 1622 }
adamc@1059 1623 else
adamc@1011 1624 *p++ = c;
adamc@1011 1625
adamc@1011 1626 *p++ = 0;
adamc@1011 1627 ctx->heap.front = p;
adamc@1011 1628 return result;
adamc@1011 1629 }
adamc@1011 1630
adamc@721 1631 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721 1632 return s;
adamc@721 1633 }
adamc@721 1634
adamc@311 1635 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 1636 int len;
adamc@117 1637
adamc@666 1638 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1639 ctx->page.front += len;
adamc@106 1640 }
adamc@106 1641
adamc@428 1642 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1643 uw_check(ctx, INTS_MAX);
adamc@311 1644 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 1645
adamc@428 1646 return uw_unit_v;
adamc@106 1647 }
adamc@106 1648
adamc@428 1649 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 1650 int len;
adamc@117 1651
adamc@311 1652 uw_check(ctx, FLOATS_MAX);
adamc@666 1653 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1654 ctx->page.front += len;
adamc@428 1655
adamc@428 1656 return uw_unit_v;
adamc@117 1657 }
adamc@117 1658
adamc@428 1659 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1660 uw_check(ctx, strlen(s) * 6);
adamc@117 1661
adamc@106 1662 for (; *s; s++) {
adamc@1054 1663 unsigned char c = *s;
adamc@106 1664
adamc@106 1665 if (c == '"')
adamc@311 1666 uw_write_unsafe(ctx, "&quot;");
adamc@136 1667 else if (c == '&')
adamc@311 1668 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1669 else
adamc@311 1670 uw_writec_unsafe(ctx, c);
adamc@106 1671 }
adamc@428 1672
adamc@428 1673 return uw_unit_v;
adamc@106 1674 }
adamc@120 1675
adamc@1011 1676 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011 1677 uw_check(ctx, 6);
adamc@1011 1678
adamc@1011 1679 if (c == '"')
adamc@1011 1680 uw_write_unsafe(ctx, "&quot;");
adamc@1011 1681 else if (c == '&')
adamc@1011 1682 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1683 else
adamc@1011 1684 uw_writec_unsafe(ctx, c);
adamc@1011 1685
adamc@1011 1686 return uw_unit_v;
adamc@1011 1687 }
adamc@1011 1688
adamc@120 1689
adamc@311 1690 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 1691 int len;
adamc@137 1692 char *r;
adamc@137 1693
adamc@311 1694 uw_check_heap(ctx, INTS_MAX);
adamc@666 1695 r = ctx->heap.front;
adamc@276 1696 sprintf(r, "%lld%n", n, &len);
adamc@666 1697 ctx->heap.front += len+1;
adamc@137 1698 return r;
adamc@120 1699 }
adamc@120 1700
adamc@682 1701 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1702 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1703 return "";
adamc@682 1704 else {
adamc@682 1705 int len;
adamc@682 1706 char *r;
adamc@679 1707
adamc@682 1708 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1709 r = ctx->heap.front;
adamc@682 1710 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1711 ctx->heap.front += len+1;
adamc@682 1712 return r;
adamc@682 1713 }
adamc@679 1714 }
adamc@679 1715
adamc@311 1716 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 1717 int len;
adamc@137 1718 char *r;
adamc@137 1719
adamc@311 1720 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1721 r = ctx->heap.front;
adamc@137 1722 sprintf(r, "%g%n", n, &len);
adamc@666 1723 ctx->heap.front += len+1;
adamc@137 1724 return r;
adamc@120 1725 }
adamc@120 1726
adamc@311 1727 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1728 char *r, *p;
adamc@137 1729
adamc@925 1730 if (s[0] == '\0')
adamc@925 1731 return "_";
adamc@925 1732
adamc@925 1733 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925 1734
adamc@925 1735 r = p = ctx->heap.front;
adamc@925 1736 if (s[0] == '_')
adamc@925 1737 *p++ = '_';
adamc@925 1738
adamc@925 1739 for (; *s; s++) {
adamc@1087 1740 unsigned char c = *s;
adamc@137 1741
adamc@137 1742 if (c == ' ')
adamc@137 1743 *p++ = '+';
adamc@137 1744 else if (isalnum(c))
adamc@137 1745 *p++ = c;
adamc@137 1746 else {
adamc@1259 1747 sprintf(p, ".%02X", c);
adamc@137 1748 p += 3;
adamc@137 1749 }
adamc@137 1750 }
adamc@137 1751
adamc@137 1752 *p++ = 0;
adamc@666 1753 ctx->heap.front = p;
adamc@137 1754 return r;
adamc@120 1755 }
adamc@120 1756
adamc@311 1757 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1758 if (b == uw_Basis_False)
adamc@186 1759 return "0";
adamc@186 1760 else
adamc@186 1761 return "1";
adamc@186 1762 }
adamc@186 1763
adamc@311 1764 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1765 int len;
adamc@120 1766
adamc@666 1767 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1768 ctx->page.front += len;
adamc@120 1769 }
adamc@120 1770
adamc@428 1771 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1772 uw_check(ctx, INTS_MAX);
adamc@311 1773 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1774
adamc@428 1775 return uw_unit_v;
adamc@120 1776 }
adamc@120 1777
adamc@682 1778 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1779 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1780 int len;
adamc@682 1781
adamc@682 1782 uw_check(ctx, INTS_MAX + 1);
adamc@682 1783 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1784 ctx->page.front += len;
adamc@682 1785 }
adamc@682 1786
adamc@679 1787 return uw_unit_v;
adamc@679 1788 }
adamc@679 1789
adamc@428 1790 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1791 int len;
adamc@120 1792
adamc@311 1793 uw_check(ctx, FLOATS_MAX);
adamc@666 1794 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1795 ctx->page.front += len;
adamc@428 1796
adamc@428 1797 return uw_unit_v;
adamc@120 1798 }
adamc@120 1799
adamc@488 1800 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@1376 1801 return uw_Basis_urlifyInt(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adamc@488 1802 }
adamc@488 1803
adam@1404 1804 uw_unit uw_Basis_urlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1404 1805 return uw_Basis_urlifyInt_w(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adam@1404 1806 }
adam@1404 1807
adamc@428 1808 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925 1809 if (s[0] == '\0') {
adamc@925 1810 uw_check(ctx, 1);
adamc@925 1811 uw_writec_unsafe(ctx, '_');
adamc@925 1812 return uw_unit_v;
adamc@925 1813 }
adamc@925 1814
adamc@925 1815 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925 1816
adamc@925 1817 if (s[0] == '_')
adamc@925 1818 uw_writec_unsafe(ctx, '_');
adamc@120 1819
adamc@120 1820 for (; *s; s++) {
adamc@1087 1821 unsigned char c = *s;
adamc@120 1822
adamc@120 1823 if (c == ' ')
adamc@311 1824 uw_writec_unsafe(ctx, '+');
adamc@120 1825 else if (isalnum(c))
adamc@311 1826 uw_writec_unsafe(ctx, c);
adamc@120 1827 else {
adamc@1259 1828 sprintf(ctx->page.front, ".%02X", c);
adamc@666 1829 ctx->page.front += 3;
adamc@120 1830 }
adamc@120 1831 }
adamc@428 1832
adamc@428 1833 return uw_unit_v;
adamc@120 1834 }
adamc@120 1835
adamc@428 1836 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1837 if (b == uw_Basis_False)
adamc@311 1838 uw_writec(ctx, '0');
adamc@186 1839 else
adamc@311 1840 uw_writec(ctx, '1');
adamc@428 1841
adamc@428 1842 return uw_unit_v;
adamc@186 1843 }
adamc@186 1844
adamc@120 1845
adamc@311 1846 static char *uw_unurlify_advance(char *s) {
adamc@144 1847 char *new_s = strchr(s, '/');
adamc@120 1848
adamc@120 1849 if (new_s)
adamc@120 1850 *new_s++ = 0;
adamc@120 1851 else
adamc@144 1852 new_s = strchr(s, 0);
adamc@144 1853
adamc@144 1854 return new_s;
adamc@144 1855 }
adamc@144 1856
adamc@311 1857 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 1858 char *new_s = uw_unurlify_advance(*s);
adamc@311 1859 uw_Basis_int r;
adamc@120 1860
adamc@276 1861 r = atoll(*s);
adamc@120 1862 *s = new_s;
adamc@120 1863 return r;
adamc@120 1864 }
adamc@120 1865
adamc@311 1866 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 1867 char *new_s = uw_unurlify_advance(*s);
adamc@311 1868 uw_Basis_float r;
adamc@120 1869
adamc@120 1870 r = atof(*s);
adamc@120 1871 *s = new_s;
adamc@120 1872 return r;
adamc@120 1873 }
adamc@120 1874
adamc@488 1875 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adam@1365 1876 uw_Basis_int n = uw_Basis_unurlifyInt(ctx, s);
adam@1365 1877 uw_Basis_time r = {n / 1000000, n % 1000000};
adam@1365 1878 return r;
adamc@488 1879 }
adamc@488 1880
adamc@1023 1881 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char *r, char *s) {
adamc@927 1882 char *s1, *s2 = s;
adamc@144 1883 int n;
adamc@136 1884
adamc@1023 1885 if (!fromClient) {
adamc@1023 1886 if (*s2 == '_')
adamc@1023 1887 ++s2;
adamc@1259 1888 else if ((s2[0] == '%' || s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@1023 1889 s2 += 3;
adamc@1023 1890 }
adamc@925 1891
adamc@927 1892 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087 1893 unsigned char c = *s2;
adamc@136 1894
adamc@136 1895 switch (c) {
adamc@136 1896 case '+':
adamc@136 1897 *s1 = ' ';
adamc@136 1898 break;
adamc@136 1899 case '%':
adamc@169 1900 if (s2[1] == 0)
adamc@311 1901 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 1902 if (s2[2] == 0)
adamc@311 1903 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 1904 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 1905 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@136 1906 *s1 = n;
adamc@136 1907 s2 += 2;
adamc@136 1908 break;
adamc@1259 1909 case '.':
adamc@1259 1910 if (!fromClient) {
adamc@1259 1911 if (s2[1] == 0)
adamc@1259 1912 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259 1913 if (s2[2] == 0)
adamc@1259 1914 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259 1915 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 1916 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@1259 1917 *s1 = n;
adamc@1259 1918 s2 += 2;
adamc@1259 1919 break;
adamc@1259 1920 }
adamc@136 1921 default:
adamc@136 1922 *s1 = c;
adamc@136 1923 }
adamc@136 1924 }
adamc@136 1925 *s1++ = 0;
adamc@144 1926 return s1;
adamc@144 1927 }
adamc@144 1928
adamc@311 1929 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 1930 char *new_s = uw_unurlify_advance(*s);
adamc@311 1931 uw_Basis_bool r;
adamc@186 1932
adamc@186 1933 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 1934 r = uw_Basis_False;
adamc@186 1935 else
adamc@311 1936 r = uw_Basis_True;
adamc@186 1937
adamc@186 1938 *s = new_s;
adamc@186 1939 return r;
adamc@186 1940 }
adamc@186 1941
adamc@311 1942 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 1943 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1944 char *r;
adamc@1134 1945 int len;
adamc@144 1946
adamc@200 1947 len = strlen(*s);
adamc@311 1948 uw_check_heap(ctx, len + 1);
adamc@144 1949
adamc@666 1950 r = ctx->heap.front;
adamc@1023 1951 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023 1952 *s = new_s;
adamc@1023 1953 return r;
adamc@1023 1954 }
adamc@1023 1955
adamc@1109 1956 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109 1957 *s = uw_unurlify_advance(*s);
adamc@1109 1958 return uw_unit_v;
adamc@1109 1959 }
adamc@1109 1960
adamc@1023 1961 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023 1962 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1963 char *r;
adamc@1134 1964 int len;
adamc@1023 1965
adamc@1023 1966 len = strlen(*s);
adamc@1023 1967 uw_check_heap(ctx, len + 1);
adamc@1023 1968
adamc@1023 1969 r = ctx->heap.front;
adamc@1023 1970 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136 1971 *s = new_s;
adamc@136 1972 return r;
adamc@120 1973 }
adamc@135 1974
adamc@135 1975
adamc@311 1976 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 1977 int len;
adamc@286 1978 char *r;
adamc@286 1979
adamc@311 1980 uw_check_heap(ctx, INTS_MAX);
adamc@666 1981 r = ctx->heap.front;
adamc@286 1982 sprintf(r, "%lld%n", n, &len);
adamc@666 1983 ctx->heap.front += len+1;
adamc@286 1984 return r;
adamc@286 1985 }
adamc@286 1986
adamc@428 1987 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 1988 int len;
adamc@286 1989
adamc@311 1990 uw_check(ctx, INTS_MAX);
adamc@666 1991 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1992 ctx->page.front += len;
adamc@428 1993
adamc@428 1994 return uw_unit_v;
adamc@286 1995 }
adamc@286 1996
adam@1358 1997 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358 1998 unsigned int n = ch;
adam@1358 1999 int len;
adam@1358 2000 char *r;
adam@1358 2001
adam@1358 2002 uw_check_heap(ctx, INTS_MAX+3);
adam@1358 2003 r = ctx->heap.front;
adam@1358 2004 sprintf(r, "&#%u;%n", n, &len);
adam@1358 2005 ctx->heap.front += len+1;
adam@1358 2006 return r;
adam@1358 2007 }
adam@1358 2008
adam@1358 2009 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358 2010 unsigned int n = ch;
adam@1358 2011 int len;
adam@1358 2012
adam@1358 2013 uw_check(ctx, INTS_MAX+3);
adam@1358 2014 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358 2015 ctx->page.front += len;
adam@1358 2016 return uw_unit_v;
adam@1358 2017 }
adam@1358 2018
adamc@311 2019 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 2020 int len;
adamc@286 2021 char *r;
adamc@286 2022
adamc@311 2023 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2024 r = ctx->heap.front;
adamc@286 2025 sprintf(r, "%g%n", n, &len);
adamc@666 2026 ctx->heap.front += len+1;
adamc@286 2027 return r;
adamc@286 2028 }
adamc@286 2029
adamc@428 2030 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 2031 int len;
adamc@286 2032
adamc@311 2033 uw_check(ctx, FLOATS_MAX);
adamc@666 2034 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 2035 ctx->page.front += len;
adamc@428 2036
adamc@428 2037 return uw_unit_v;
adamc@286 2038 }
adamc@286 2039
adam@1365 2040 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time t) {
adam@1360 2041 int len;
adam@1360 2042 char *r;
adam@1360 2043
adam@1360 2044 uw_check_heap(ctx, INTS_MAX);
adam@1360 2045 r = ctx->heap.front;
adamc@1377 2046 sprintf(r, "%lld%n", (uw_Basis_int)t.seconds * 1000000 + t.microseconds, &len);
adam@1360 2047 ctx->heap.front += len+1;
adam@1360 2048 return r;
adam@1360 2049 }
adam@1360 2050
adam@1365 2051 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_int n) {
adam@1360 2052 int len;
adam@1360 2053
adam@1360 2054 uw_check(ctx, INTS_MAX);
adam@1360 2055 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360 2056 ctx->page.front += len;
adam@1360 2057
adam@1360 2058 return uw_unit_v;
adam@1360 2059 }
adam@1360 2060
adam@1444 2061 char *uw_Basis_htmlifyString(uw_context ctx, const char *s) {
adamc@137 2062 char *r, *s2;
adamc@137 2063
adamc@311 2064 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 2065
adamc@666 2066 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054 2067 unsigned char c = *s;
adamc@137 2068
adamc@137 2069 switch (c) {
adamc@137 2070 case '<':
adamc@137 2071 strcpy(s2, "&lt;");
adamc@137 2072 s2 += 4;
adamc@137 2073 break;
adamc@137 2074 case '&':
adamc@137 2075 strcpy(s2, "&amp;");
adamc@137 2076 s2 += 5;
adamc@137 2077 break;
adamc@137 2078 default:
adamc@1059 2079 *s2++ = c;
adamc@137 2080 }
adamc@137 2081 }
adamc@137 2082
adamc@137 2083 *s2++ = 0;
adamc@666 2084 ctx->heap.front = s2;
adamc@137 2085 return r;
adamc@135 2086 }
adamc@135 2087
adamc@428 2088 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 2089 uw_check(ctx, strlen(s) * 6);
adamc@135 2090
adamc@135 2091 for (; *s; s++) {
adamc@1054 2092 unsigned char c = *s;
adamc@135 2093
adamc@135 2094 switch (c) {
adamc@135 2095 case '<':
adamc@311 2096 uw_write_unsafe(ctx, "&lt;");
adamc@135 2097 break;
adamc@135 2098 case '&':
adamc@311 2099 uw_write_unsafe(ctx, "&amp;");
adamc@135 2100 break;
adamc@135 2101 default:
adamc@1059 2102 uw_writec_unsafe(ctx, c);
adamc@135 2103 }
adamc@135 2104 }
adamc@428 2105
adamc@428 2106 return uw_unit_v;
adamc@135 2107 }
adamc@180 2108
adamc@311 2109 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2110 if (b == uw_Basis_False)
adamc@286 2111 return "False";
adamc@286 2112 else
adamc@286 2113 return "True";
adamc@286 2114 }
adamc@286 2115
adamc@428 2116 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 2117 if (b == uw_Basis_False) {
adamc@311 2118 uw_check(ctx, 6);
adamc@666 2119 strcpy(ctx->page.front, "False");
adamc@666 2120 ctx->page.front += 5;
adamc@286 2121 } else {
adamc@311 2122 uw_check(ctx, 5);
adamc@666 2123 strcpy(ctx->page.front, "True");
adamc@666 2124 ctx->page.front += 4;
adamc@286 2125 }
adamc@428 2126
adamc@428 2127 return uw_unit_v;
adamc@286 2128 }
adamc@286 2129
adamc@436 2130 #define TIME_FMT "%x %X"
adamc@438 2131 #define TIME_FMT_PG "%Y-%m-%d %T"
adamc@436 2132
adamc@436 2133 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@436 2134 size_t len;
adamc@436 2135 char *r;
adam@1392 2136 struct tm stm = {};
adam@1392 2137 stm.tm_isdst = -1;
adamc@436 2138
adam@1365 2139 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2140 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2141 r = ctx->heap.front;
adamc@436 2142 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2143 ctx->heap.front += len+1;
adamc@436 2144 return r;
adamc@436 2145 } else
adamc@436 2146 return "<i>Invalid time</i>";
adamc@436 2147 }
adamc@436 2148
adamc@436 2149 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adamc@436 2150 size_t len;
adamc@436 2151 char *r;
adam@1392 2152 struct tm stm = {};
adam@1392 2153 stm.tm_isdst = -1;
adamc@436 2154
adam@1365 2155 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2156 uw_check(ctx, TIMES_MAX);
adamc@666 2157 r = ctx->page.front;
adamc@436 2158 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2159 ctx->page.front += len;
adamc@436 2160 } else {
adamc@436 2161 uw_check(ctx, 20);
adamc@666 2162 strcpy(ctx->page.front, "<i>Invalid time</i>");
adamc@666 2163 ctx->page.front += 19;
adamc@436 2164 }
adamc@436 2165
adamc@436 2166 return uw_unit_v;
adamc@436 2167 }
adamc@436 2168
adam@1446 2169 char *uw_Basis_htmlifySource(uw_context ctx, uw_Basis_source src) {
adam@1446 2170 int len;
adam@1446 2171 char *r;
adam@1446 2172
adam@1446 2173 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1446 2174 r = ctx->heap.front;
adam@1446 2175 sprintf(r, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2176 ctx->heap.front += len+1;
adam@1446 2177 return r;
adam@1446 2178 }
adam@1446 2179
adam@1446 2180 uw_unit uw_Basis_htmlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1446 2181 int len;
adam@1446 2182
adam@1446 2183 uw_check(ctx, 2 * INTS_MAX + 1);
adam@1446 2184 sprintf(ctx->page.front, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2185 ctx->page.front += len;
adam@1446 2186
adam@1446 2187 return uw_unit_v;
adam@1446 2188 }
adam@1446 2189
adamc@821 2190 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2191 while (n >= 0) {
adam@1388 2192 if (*s == 0)
adam@1388 2193 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adam@1388 2194
adam@1388 2195 if (n == 0)
adam@1388 2196 return *s;
adam@1388 2197
adam@1388 2198 --n;
adam@1388 2199 ++s;
adam@1388 2200 }
adam@1388 2201
adam@1388 2202 uw_error(ctx, FATAL, "Negative strsub bound");
adamc@821 2203 }
adamc@821 2204
adamc@821 2205 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2206 while (n >= 0) {
adam@1388 2207 if (*s == 0 || n == 0)
adam@1388 2208 return s;
adam@1388 2209
adam@1388 2210 --n;
adam@1388 2211 ++s;
adam@1388 2212 }
adam@1388 2213
adam@1388 2214 uw_error(ctx, FATAL, "Negative strsuffix bound");
adamc@821 2215 }
adamc@821 2216
adamc@828 2217 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 2218 return strlen(s);
adamc@828 2219 }
adamc@828 2220
adam@1388 2221 uw_Basis_bool uw_Basis_strlenGe(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2222 while (n > 0) {
adam@1388 2223 if (*s == 0)
adam@1388 2224 return uw_Basis_False;
adam@1388 2225
adam@1388 2226 --n;
adam@1388 2227 ++s;
adam@1388 2228 }
adam@1388 2229
adam@1388 2230 return uw_Basis_True;
adam@1388 2231 }
adam@1388 2232
adamc@829 2233 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2234 return strchr(s, ch);
adamc@829 2235 }
adamc@829 2236
adamc@831 2237 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 2238 return strcspn(s, chs);
adamc@831 2239 }
adamc@831 2240
adamc@829 2241 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2242 uw_Basis_string r = strchr(s, ch);
adamc@829 2243 if (r == NULL)
adamc@829 2244 return NULL;
adamc@829 2245 else {
adamc@829 2246 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 2247 *nr = r - s;
adamc@829 2248 return nr;
adamc@829 2249 }
adamc@829 2250 }
adamc@829 2251
adam@1390 2252 uw_Basis_int *uw_Basis_strsindex(uw_context ctx, const char *haystack, const char *needle) {
adam@1390 2253 uw_Basis_string r = strstr(haystack, needle);
adam@1390 2254 if (r == NULL)
adam@1390 2255 return NULL;
adam@1390 2256 else {
adam@1390 2257 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adam@1390 2258 *nr = r - haystack;
adam@1390 2259 return nr;
adam@1390 2260 }
adam@1390 2261 }
adam@1390 2262
adamc@311 2263 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 2264 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 2265 char *s;
adamc@180 2266
adamc@311 2267 uw_check_heap(ctx, len);
adamc@180 2268
adamc@666 2269 s = ctx->heap.front;
adamc@180 2270
adamc@180 2271 strcpy(s, s1);
adamc@180 2272 strcat(s, s2);
adamc@666 2273 ctx->heap.front += len;
adamc@180 2274
adamc@180 2275 return s;
adamc@180 2276 }
adamc@278 2277
adamc@829 2278 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 2279 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 2280
adamc@829 2281 if (start < 0)
adamc@829 2282 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 2283 if (len < 0)
adamc@829 2284 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 2285 if (start + len > full_len)
adamc@829 2286 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 2287
adamc@829 2288 if (start + len == full_len)
adamc@829 2289 return &s[start];
adamc@829 2290 else {
adamc@829 2291 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 2292 memcpy(r, s+start, len);
adamc@829 2293 r[len] = 0;
adamc@829 2294 return r;
adamc@829 2295 }
adamc@829 2296
adamc@829 2297 }
adamc@829 2298
adamc@1023 2299 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023 2300 char *r;
adamc@1023 2301
adamc@1023 2302 uw_check_heap(ctx, 2);
adamc@1023 2303 r = ctx->heap.front;
adamc@1023 2304 r[0] = ch;
adamc@1023 2305 r[1] = 0;
adamc@1023 2306
adamc@1023 2307 ctx->heap.front += 2;
adamc@1023 2308
adamc@1023 2309 return r;
adamc@1023 2310 }
adamc@1023 2311
adamc@737 2312 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 2313 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 2314 char *s;
adamc@278 2315
adamc@311 2316 uw_check_heap(ctx, len);
adamc@278 2317
adamc@666 2318 s = ctx->heap.front;
adamc@278 2319
adamc@278 2320 strcpy(s, s1);
adamc@666 2321 ctx->heap.front += len;
adamc@278 2322
adamc@278 2323 return s;
adamc@278 2324 }
adamc@280 2325
adam@1295 2326 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295 2327 if (ctx->error_message[0]) {
adam@1295 2328 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295 2329 ctx->error_message[0] = 0;
adam@1295 2330 return s;
adam@1295 2331 } else
adam@1295 2332 return NULL;
adam@1295 2333 }
adam@1295 2334
adamc@737 2335 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 2336 if (s1)
adamc@737 2337 return uw_strdup(ctx, s1);
adamc@493 2338 else
adamc@493 2339 return NULL;
adamc@493 2340 }
adamc@493 2341
adamc@742 2342 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 2343 char *r = uw_malloc(ctx, len);
adamc@742 2344 memcpy(r, p, len);
adamc@742 2345 return r;
adamc@742 2346 }
adamc@280 2347
adamc@879 2348 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 2349
adamc@311 2350 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 2351 int len;
adamc@281 2352 char *r;
adamc@281 2353
adamc@311 2354 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 2355 r = ctx->heap.front;
adamc@879 2356 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 2357 ctx->heap.front += len+1;
adamc@281 2358 return r;
adamc@281 2359 }
adamc@281 2360
adamc@467 2361 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 2362 if (n == NULL)
adamc@467 2363 return "NULL";
adamc@467 2364 else
adamc@467 2365 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 2366 }
adamc@467 2367
adamc@879 2368 char *uw_sqlfmtFloat = "%g::float8%n";
adamc@879 2369
adamc@311 2370 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 2371 int len;
adamc@281 2372 char *r;
adamc@281 2373
adamc@311 2374 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 2375 r = ctx->heap.front;
adamc@879 2376 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 2377 ctx->heap.front += len+1;
adamc@281 2378 return r;
adamc@281 2379 }
adamc@281 2380
adamc@467 2381 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 2382 if (n == NULL)
adamc@467 2383 return "NULL";
adamc@467 2384 else
adamc@467 2385 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 2386 }
adamc@467 2387
adamc@879 2388 int uw_Estrings = 1;
adamc@879 2389 char *uw_sqlsuffixString = "::text";
adamc@1011 2390 char *uw_sqlsuffixChar = "::char";
adamc@281 2391
adamc@311 2392 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 2393 char *r, *s2;
adamc@280 2394
adamc@879 2395 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 2396
adamc@666 2397 r = s2 = ctx->heap.front;
adamc@879 2398 if (uw_Estrings)
adamc@879 2399 *s2++ = 'E';
adamc@280 2400 *s2++ = '\'';
adamc@280 2401
adamc@280 2402 for (; *s; s++) {
adamc@280 2403 char c = *s;
adamc@280 2404
adamc@280 2405 switch (c) {
adamc@280 2406 case '\'':
adamc@885 2407 if (uw_Estrings)
adamc@885 2408 strcpy(s2, "\\'");
adamc@885 2409 else
adamc@885 2410 strcpy(s2, "''");
adamc@280 2411 s2 += 2;
adamc@280 2412 break;
adamc@280 2413 case '\\':
adamc@885 2414 if (uw_Estrings) {
adamc@885 2415 strcpy(s2, "\\\\");
adamc@885 2416 s2 += 2;
adamc@885 2417 } else
adamc@885 2418 *s2++ = '\\';
adamc@280 2419 break;
adamc@280 2420 default:
adamc@1150 2421 if (isprint((int)c))
adamc@280 2422 *s2++ = c;
adamc@879 2423 else if (uw_Estrings) {
adamc@737 2424 sprintf(s2, "\\%03o", c);
adamc@280 2425 s2 += 4;
adamc@280 2426 }
adamc@879 2427 else
adamc@879 2428 uw_error(ctx, FATAL, "Non-printable character %u in string to SQLify", c);
adamc@280 2429 }
adamc@280 2430 }
adamc@280 2431
adamc@879 2432 *s2++ = '\'';
adamc@879 2433 strcpy(s2, uw_sqlsuffixString);
adamc@879 2434 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2435 return r;
adamc@280 2436 }
adamc@281 2437
adamc@1011 2438 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 2439 char *r, *s2;
adamc@1011 2440
adamc@1011 2441 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011 2442
adamc@1011 2443 r = s2 = ctx->heap.front;
adamc@1011 2444 if (uw_Estrings)
adamc@1011 2445 *s2++ = 'E';
adamc@1011 2446 *s2++ = '\'';
adamc@1011 2447
adamc@1011 2448 switch (c) {
adamc@1011 2449 case '\'':
adamc@1011 2450 if (uw_Estrings)
adamc@1011 2451 strcpy(s2, "\\'");
adamc@1011 2452 else
adamc@1011 2453 strcpy(s2, "''");
adamc@1011 2454 s2 += 2;
adamc@1011 2455 break;
adamc@1011 2456 case '\\':
adamc@1011 2457 if (uw_Estrings) {
adamc@1011 2458 strcpy(s2, "\\\\");
adamc@1011 2459 s2 += 2;
adamc@1011 2460 } else
adamc@1011 2461 *s2++ = '\\';
adamc@1011 2462 break;
adamc@1011 2463 default:
adamc@1150 2464 if (isprint((int)c))
adamc@1011 2465 *s2++ = c;
adamc@1011 2466 else if (uw_Estrings) {
adamc@1011 2467 sprintf(s2, "\\%03o", c);
adamc@1011 2468 s2 += 4;
adamc@1011 2469 }
adamc@1011 2470 else
adamc@1011 2471 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011 2472 }
adamc@1011 2473
adamc@1011 2474 *s2++ = '\'';
adamc@1011 2475 strcpy(s2, uw_sqlsuffixChar);
adamc@1011 2476 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011 2477 return r;
adamc@1011 2478 }
adamc@1011 2479
adamc@879 2480 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2481
adamc@737 2482 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2483 char *r, *s2;
adamc@737 2484 size_t i;
adamc@737 2485
adamc@879 2486 uw_check_heap(ctx, b.size * 5 + 3 + uw_Estrings + strlen(uw_sqlsuffixBlob));
adamc@737 2487
adamc@737 2488 r = s2 = ctx->heap.front;
adamc@879 2489 if (uw_Estrings)
adamc@879 2490 *s2++ = 'E';
adamc@737 2491 *s2++ = '\'';
adamc@737 2492
adamc@737 2493 for (i = 0; i < b.size; ++i) {
adamc@737 2494 char c = b.data[i];
adamc@737 2495
adamc@737 2496 switch (c) {
adamc@737 2497 case '\'':
adamc@885 2498 if (uw_Estrings)
adamc@885 2499 strcpy(s2, "\\'");
adamc@885 2500 else
adamc@885 2501 strcpy(s2, "''");
adamc@737 2502 s2 += 2;
adamc@737 2503 break;
adamc@737 2504 case '\\':
adamc@885 2505 if (uw_Estrings) {
adamc@885 2506 strcpy(s2, "\\\\\\\\");
adamc@885 2507 s2 += 4;
adamc@885 2508 } else
adamc@885 2509 *s2++ = '\\';
adamc@737 2510 break;
adamc@737 2511 default:
adamc@1150 2512 if (isprint((int)c))
adamc@737 2513 *s2++ = c;
adamc@879 2514 else if (uw_Estrings) {
adamc@737 2515 sprintf(s2, "\\\\%03o", c);
adamc@737 2516 s2 += 5;
adamc@737 2517 }
adamc@879 2518 else
adamc@879 2519 uw_error(ctx, FATAL, "Non-printable character %u in blob to SQLify", c);
adamc@737 2520 }
adamc@737 2521 }
adamc@737 2522
adamc@879 2523 *s2++ = '\'';
adamc@879 2524 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2525 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2526 return r;
adamc@737 2527 }
adamc@737 2528
adamc@682 2529 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2530 int len;
adamc@682 2531 char *r;
adamc@682 2532 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2533
adamc@682 2534 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2535 r = ctx->heap.front;
adamc@879 2536 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2537 ctx->heap.front += len+1;
adamc@682 2538 return r;
adamc@682 2539 }
adamc@682 2540
adamc@682 2541 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2542 int len;
adamc@682 2543 char *r;
adamc@682 2544 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2545
adamc@682 2546 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2547 r = ctx->heap.front;
adamc@682 2548 sprintf(r, "%lld%n", combo, &len);
adamc@682 2549 ctx->heap.front += len+1;
adamc@682 2550 return r;
adamc@682 2551 }
adamc@682 2552
adamc@879 2553 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2554
adamc@682 2555 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2556 int len;
adamc@682 2557 char *r;
adamc@682 2558
adamc@682 2559 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2560 r = ctx->heap.front;
adamc@879 2561 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2562 ctx->heap.front += len+1;
adamc@682 2563 return r;
adamc@682 2564 }
adamc@682 2565
adamc@682 2566 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2567 int len;
adamc@682 2568 char *r;
adamc@682 2569
adamc@682 2570 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2571 r = ctx->heap.front;
adamc@682 2572 sprintf(r, "%u%n", cli, &len);
adamc@682 2573 ctx->heap.front += len+1;
adamc@682 2574 return r;
adamc@682 2575 }
adamc@682 2576
adamc@467 2577 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2578 if (s == NULL)
adamc@467 2579 return "NULL";
adamc@467 2580 else
adamc@467 2581 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2582 }
adamc@467 2583
adamc@311 2584 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2585 if (b == uw_Basis_False)
adamc@281 2586 return "FALSE";
adamc@281 2587 else
adamc@281 2588 return "TRUE";
adamc@281 2589 }
adamc@282 2590
adamc@467 2591 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2592 if (b == NULL)
adamc@467 2593 return "NULL";
adamc@467 2594 else
adamc@467 2595 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2596 }
adamc@467 2597
adamc@439 2598 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2599 size_t len;
adamc@682 2600 char *r, *s;
adam@1392 2601 struct tm stm = {};
adam@1392 2602 stm.tm_isdst = -1;
adamc@682 2603
adam@1365 2604 if (localtime_r(&t.seconds, &stm)) {
adamc@682 2605 s = uw_malloc(ctx, TIMES_MAX);
adam@1364 2606 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1367 2607 if (t.microseconds) {
adam@1367 2608 r = uw_malloc(ctx, len + 21);
adam@1367 2609 sprintf(r, "'%s.%06u'::timestamp", s, t.microseconds);
adam@1367 2610 } else {
adam@1367 2611 r = uw_malloc(ctx, len + 14);
adam@1367 2612 sprintf(r, "'%s'::timestamp", s);
adam@1367 2613 }
adamc@682 2614 return r;
adamc@682 2615 } else
adamc@682 2616 return "<Invalid time>";
adamc@682 2617 }
adamc@682 2618
adamc@682 2619 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2620 size_t len;
adamc@439 2621 char *r;
adam@1392 2622 struct tm stm = {};
adam@1392 2623 stm.tm_isdst = -1;
adamc@439 2624
adam@1365 2625 if (localtime_r(&t.seconds, &stm)) {
adamc@439 2626 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2627 r = ctx->heap.front;
adamc@439 2628 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2629 ctx->heap.front += len+1;
adamc@439 2630 return r;
adamc@439 2631 } else
adamc@439 2632 return "<Invalid time>";
adamc@439 2633 }
adamc@439 2634
adam@1364 2635 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364 2636 size_t len;
adam@1364 2637 char *r;
adam@1392 2638 struct tm stm = {};
adam@1392 2639 stm.tm_isdst = -1;
adam@1364 2640
adam@1365 2641 if (localtime_r(&t.seconds, &stm)) {
adam@1364 2642 uw_check_heap(ctx, TIMES_MAX);
adam@1364 2643 r = ctx->heap.front;
adam@1365 2644 len = strftime(r, TIMES_MAX-7, TIME_FMT_PG, &stm);
adam@1365 2645 ctx->heap.front += len;
adam@1365 2646 sprintf(ctx->heap.front, ".%06u", t.microseconds);
adam@1365 2647 ctx->heap.front += 8;
adam@1364 2648 return r;
adam@1364 2649 } else
adam@1364 2650 return "<Invalid time>";
adam@1364 2651 }
adam@1364 2652
adamc@467 2653 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2654 if (t == NULL)
adamc@467 2655 return "NULL";
adamc@467 2656 else
adamc@467 2657 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2658 }
adamc@467 2659
adamc@311 2660 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2661 static uw_Basis_int true = 1;
adamc@311 2662 static uw_Basis_int false = 0;
adamc@282 2663
adamc@311 2664 if (b == uw_Basis_False)
adamc@282 2665 return (char *)&false;
adamc@282 2666 else
adamc@282 2667 return (char *)&true;
adamc@282 2668 }
adamc@284 2669
adamc@311 2670 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2671 int len;
adamc@284 2672 char *r;
adamc@284 2673
adamc@311 2674 uw_check_heap(ctx, INTS_MAX);
adamc@666 2675 r = ctx->heap.front;
adamc@284 2676 sprintf(r, "%lld%n", n, &len);
adamc@666 2677 ctx->heap.front += len+1;
adamc@284 2678 return r;
adamc@284 2679 }
adamc@285 2680
adamc@311 2681 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2682 int len;
adamc@285 2683 char *r;
adamc@285 2684
adamc@311 2685 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2686 r = ctx->heap.front;
adamc@285 2687 sprintf(r, "%g%n", n, &len);
adamc@666 2688 ctx->heap.front += len+1;
adamc@285 2689 return r;
adamc@285 2690 }
adamc@285 2691
adamc@821 2692 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2693 char *r = uw_malloc(ctx, 2);
adamc@821 2694 r[0] = ch;
adamc@821 2695 r[1] = 0;
adamc@821 2696 return r;
adamc@821 2697 }
adamc@821 2698
adamc@311 2699 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2700 if (b == uw_Basis_False)
adamc@285 2701 return "False";
adamc@285 2702 else
adamc@285 2703 return "True";
adamc@285 2704 }
adamc@288 2705
adamc@436 2706 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adamc@436 2707 size_t len;
adamc@436 2708 char *r;
adam@1392 2709 struct tm stm = {};
adam@1392 2710 stm.tm_isdst = -1;
adamc@436 2711
adam@1365 2712 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2713 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2714 r = ctx->heap.front;
adamc@436 2715 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2716 ctx->heap.front += len+1;
adamc@436 2717 return r;
adamc@436 2718 } else
adamc@436 2719 return "<Invalid time>";
adamc@436 2720 }
adamc@288 2721
adam@1359 2722 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352 2723 size_t len;
adam@1352 2724 char *r;
adam@1392 2725 struct tm stm = {};
adam@1392 2726 stm.tm_isdst = -1;
adam@1352 2727
adam@1365 2728 if (localtime_r(&t.seconds, &stm)) {
adam@1352 2729 uw_check_heap(ctx, TIMES_MAX);
adam@1352 2730 r = ctx->heap.front;
adam@1352 2731 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352 2732 ctx->heap.front += len+1;
adam@1352 2733 return r;
adam@1352 2734 } else
adam@1352 2735 return "<Invalid time>";
adam@1352 2736 }
adam@1352 2737
adamc@311 2738 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2739 char *endptr;
adamc@311 2740 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2741
adamc@288 2742 if (*s != '\0' && *endptr == '\0') {
adamc@311 2743 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2744 *r = n;
adamc@288 2745 return r;
adamc@288 2746 } else
adamc@288 2747 return NULL;
adamc@288 2748 }
adamc@289 2749
adamc@311 2750 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2751 char *endptr;
adamc@311 2752 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2753
adamc@289 2754 if (*s != '\0' && *endptr == '\0') {
adamc@311 2755 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2756 *r = n;
adamc@289 2757 return r;
adamc@289 2758 } else
adamc@289 2759 return NULL;
adamc@289 2760 }
adamc@289 2761
adamc@821 2762 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2763 if (s[0] == 0) {
adamc@821 2764 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2765 r[0] = 0;
adamc@821 2766 return r;
adamc@821 2767 } else if (s[1] != 0)
adamc@821 2768 return NULL;
adamc@821 2769 else {
adamc@821 2770 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2771 r[0] = s[0];
adamc@821 2772 return r;
adamc@821 2773 }
adamc@821 2774 }
adamc@821 2775
adamc@311 2776 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2777 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2778 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2779
adamc@289 2780 if (!strcasecmp (s, "True"))
adamc@289 2781 return &true;
adamc@289 2782 else if (!strcasecmp (s, "False"))
adamc@289 2783 return &false;
adamc@289 2784 else
adamc@289 2785 return NULL;
adamc@289 2786 }
adamc@292 2787
adamc@436 2788 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2789 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1374 2790 struct tm stm = {};
adam@1392 2791 stm.tm_isdst = -1;
adamc@436 2792
adamc@439 2793 if (dot) {
adamc@439 2794 *dot = 0;
adamc@439 2795 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2796 *dot = '.';
adamc@439 2797 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2798 r->seconds = mktime(&stm);
adam@1365 2799 r->microseconds = 0;
adamc@439 2800 return r;
adamc@439 2801 }
adamc@439 2802 else {
adamc@439 2803 *dot = '.';
adamc@439 2804 return NULL;
adamc@439 2805 }
adamc@436 2806 }
adamc@439 2807 else {
adamc@439 2808 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2809 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2810 r->seconds = mktime(&stm);
adam@1365 2811 r->microseconds = 0;
adamc@439 2812 return r;
adamc@439 2813 }
adamc@439 2814 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2815 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2816 r->seconds = mktime(&stm);
adam@1365 2817 r->microseconds = 0;
adamc@439 2818 return r;
adamc@439 2819 }
adamc@439 2820 else
adamc@439 2821 return NULL;
adamc@439 2822 }
adamc@436 2823 }
adamc@436 2824
adam@1352 2825 uw_Basis_time *uw_Basis_stringToTimef(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2826 char *end = strchr(s, 0);
adam@1374 2827 struct tm stm = {};
adam@1392 2828 stm.tm_isdst = -1;
adam@1352 2829
adam@1352 2830 if (strptime(s, fmt, &stm) == end) {
adam@1352 2831 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2832 r->seconds = mktime(&stm);
adam@1365 2833 r->microseconds = 0;
adam@1352 2834 return r;
adam@1352 2835 }
adam@1352 2836 else
adam@1352 2837 return NULL;
adam@1352 2838 }
adam@1352 2839
adamc@311 2840 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 2841 char *endptr;
adamc@311 2842 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 2843
adamc@292 2844 if (*s != '\0' && *endptr == '\0')
adamc@292 2845 return n;
adamc@292 2846 else
adam@1444 2847 uw_error(ctx, FATAL, "Can't parse int: %s", uw_Basis_htmlifyString(ctx, s));
adamc@292 2848 }
adamc@293 2849
adamc@682 2850 #include <errno.h>
adamc@682 2851
adamc@678 2852 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 2853 unsigned long long n;
adamc@682 2854
adamc@682 2855 if (sscanf(s, "%llu", &n) < 1)
adam@1444 2856 uw_error(ctx, FATAL, "Can't parse channel: %s", uw_Basis_htmlifyString(ctx, s));
adamc@682 2857 else {
adamc@682 2858 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 2859 return ch;
adamc@682 2860 }
adamc@682 2861 }
adamc@682 2862
adamc@682 2863 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 2864 char *endptr;
adamc@682 2865 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 2866
adamc@678 2867 if (*s != '\0' && *endptr == '\0')
adamc@678 2868 return n;
adamc@678 2869 else
adam@1444 2870 uw_error(ctx, FATAL, "Can't parse client: %s", uw_Basis_htmlifyString(ctx, s));
adamc@678 2871 }
adamc@678 2872
adamc@311 2873 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 2874 char *endptr;
adamc@311 2875 uw_Basis_float n = strtod(s, &endptr);
adamc@293 2876
adamc@293 2877 if (*s != '\0' && *endptr == '\0')
adamc@293 2878 return n;
adamc@293 2879 else
adam@1444 2880 uw_error(ctx, FATAL, "Can't parse float: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 2881 }
adamc@293 2882
adamc@821 2883 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 2884 if (s[0] == 0)
adamc@821 2885 return 0;
adamc@821 2886 else if (s[1] != 0)
adam@1444 2887 uw_error(ctx, FATAL, "Can't parse char: %s", uw_Basis_htmlifyString(ctx, s));
adamc@821 2888 else
adamc@821 2889 return s[0];
adamc@821 2890 }
adamc@821 2891
adamc@311 2892 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 2893 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 2894 return uw_Basis_True;
adamc@296 2895 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 2896 return uw_Basis_False;
adamc@293 2897 else
adam@1444 2898 uw_error(ctx, FATAL, "Can't parse bool: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 2899 }
adamc@436 2900
adam@1352 2901 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352 2902 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1352 2903 struct tm stm = {};
adam@1392 2904 stm.tm_isdst = -1;
adam@1352 2905
adam@1352 2906 if (dot) {
adam@1352 2907 *dot = 0;
adam@1352 2908 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352 2909 *dot = '.';
adam@1410 2910 char usec[] = "000000";
adam@1410 2911 int len = strlen(dot+1);
adam@1410 2912 memcpy(usec, dot+1, len < 6 ? len : 6);
adam@1410 2913 uw_Basis_time r = { mktime(&stm), atoi(usec) };
adam@1365 2914 return r;
adam@1352 2915 }
adam@1352 2916 else {
adam@1352 2917 *dot = '.';
adam@1444 2918 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 2919 }
adam@1352 2920 }
adam@1352 2921 else {
adam@1352 2922 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 2923 uw_Basis_time r = { mktime(&stm) };
adam@1365 2924 return r;
adam@1352 2925 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 2926 uw_Basis_time r = { mktime(&stm) };
adam@1365 2927 return r;
adam@1352 2928 } else
adam@1444 2929 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 2930 }
adam@1352 2931 }
adam@1352 2932
adamc@436 2933 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 2934 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2935 struct tm stm = {};
adam@1392 2936 stm.tm_isdst = -1;
adamc@436 2937
adamc@438 2938 if (dot) {
adamc@438 2939 *dot = 0;
adamc@438 2940 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 2941 *dot = '.';
adam@1365 2942 {
adam@1365 2943 uw_Basis_time r = { mktime(&stm) };
adam@1365 2944 return r;
adam@1365 2945 }
adamc@438 2946 }
adamc@438 2947 else {
adamc@438 2948 *dot = '.';
adam@1444 2949 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 2950 }
adamc@438 2951 }
adamc@438 2952 else {
adam@1365 2953 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 2954 uw_Basis_time r = { mktime(&stm) };
adam@1365 2955 return r;
adam@1365 2956 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 2957 uw_Basis_time r = { mktime(&stm) };
adam@1365 2958 return r;
adam@1365 2959 } else
adam@1444 2960 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 2961 }
adamc@436 2962 }
adamc@457 2963
adam@1352 2964 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2965 char *end = strchr(s, 0);
adamc@939 2966 struct tm stm = {};
adam@1392 2967 stm.tm_isdst = -1;
adamc@939 2968
adam@1365 2969 if (strptime(s, fmt, &stm) == end) {
adam@1365 2970 uw_Basis_time r = { mktime(&stm) };
adam@1365 2971 return r;
adam@1365 2972 } else
adam@1444 2973 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@939 2974 }
adamc@939 2975
adamc@742 2976 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 2977 char *r = ctx->heap.front;
adamc@742 2978 uw_Basis_blob b = {len, r};
adamc@742 2979
adamc@742 2980 uw_check_heap(ctx, len);
adamc@742 2981
adamc@742 2982 while (*s) {
adamc@742 2983 if (s[0] == '\\') {
adamc@742 2984 if (s[1] == '\\') {
adamc@742 2985 *r++ = '\\';
adamc@742 2986 s += 2;
adamc@1153 2987 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adamc@742 2988 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adamc@742 2989 s += 4;
adamc@742 2990 }
adamc@742 2991 else {
adamc@742 2992 *r++ = '\\';
adamc@742 2993 ++s;
adamc@742 2994 }
adamc@742 2995 } else {
adamc@742 2996 *r++ = s[0];
adamc@742 2997 ++s;
adamc@742 2998 }
adamc@742 2999 }
adamc@742 3000
adamc@742 3001 b.size = r - ctx->heap.front;
adamc@742 3002 ctx->heap.front = r;
adamc@742 3003 return b;
adamc@742 3004 }
adamc@742 3005
adam@1402 3006 #define THE_PAST "expires=Sat, 01-Jan-2011 00:00:00 GMT"
adamc@1052 3007
adamc@463 3008 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 3009 int len = strlen(c);
adamc@854 3010 char *p = ctx->outHeaders.start;
adamc@474 3011
adamc@1134 3012 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474 3013 char *p2;
adamc@474 3014 p += 13;
adamc@474 3015 p2 = strchr(p, '=');
adamc@474 3016
adamc@474 3017 if (p2) {
adamc@474 3018 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 3019
adamc@474 3020 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052 3021 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052 3022 return NULL;
adamc@1052 3023 else {
adamc@1052 3024 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052 3025 memcpy(ret, p2+1, sz);
adamc@1052 3026 ret[sz] = 0;
adamc@1052 3027 return ret;
adamc@1052 3028 }
adamc@474 3029 }
adamc@474 3030 }
adamc@474 3031 }
adamc@463 3032
adamc@1134 3033 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051 3034 char *p2;
adamc@1051 3035
adamc@854 3036 while (1) {
adamc@1051 3037 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134 3038 if ((p2 = strchr(p, ';'))) {
adamc@1051 3039 size_t n = p2 - (p + len);
adamc@1051 3040 char *r = uw_malloc(ctx, n);
adamc@1051 3041 memcpy(r, p + 1 + len, n-1);
adamc@1051 3042 r[n-1] = 0;
adamc@1051 3043 return r;
adamc@1051 3044 } else
adamc@1051 3045 return p + 1 + len;
adamc@1134 3046 } else if ((p = strchr(p, ';')))
adamc@854 3047 p += 2;
adamc@463 3048 else
adamc@463 3049 return NULL;
adamc@463 3050 }
adamc@463 3051 }
adamc@792 3052
adamc@792 3053 return NULL;
adamc@457 3054 }
adamc@462 3055
adamc@1050 3056 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 3057 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 3058 uw_write_header(ctx, c);
adamc@462 3059 uw_write_header(ctx, "=");
adamc@462 3060 uw_write_header(ctx, v);
adamc@466 3061 uw_write_header(ctx, "; path=");
adamc@466 3062 uw_write_header(ctx, prefix);
adamc@1050 3063 if (expires) {
adamc@1050 3064 char formatted[30];
adam@1392 3065 struct tm tm = {};
adam@1392 3066 tm.tm_isdst = -1;
adamc@1050 3067
adam@1365 3068 gmtime_r(&expires->seconds, &tm);
adamc@1050 3069
adamc@1050 3070 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050 3071
adamc@1050 3072 uw_write_header(ctx, "; expires=");
adamc@1050 3073 uw_write_header(ctx, formatted);
adamc@1050 3074 }
adamc@1050 3075 if (secure)
adamc@1050 3076 uw_write_header(ctx, "; secure");
adamc@462 3077 uw_write_header(ctx, "\r\n");
adamc@462 3078
adamc@462 3079 return uw_unit_v;
adamc@462 3080 }
adamc@667 3081
adamc@1050 3082 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050 3083 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050 3084 uw_write_header(ctx, c);
adamc@1050 3085 uw_write_header(ctx, "=; path=");
adamc@1050 3086 uw_write_header(ctx, prefix);
adamc@1052 3087 uw_write_header(ctx, "; " THE_PAST "\r\n");
adamc@1050 3088
adamc@1050 3089 return uw_unit_v;
adamc@1050 3090 }
adamc@1050 3091
adamc@1113 3092 size_t uw_deltas_max = SIZE_MAX;
adamc@1113 3093
adamc@682 3094 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 3095 unsigned i;
adamc@682 3096 delta *d;
adamc@671 3097
adamc@682 3098 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 3099 if (ctx->deltas[i].client == client)
adamc@682 3100 return &ctx->deltas[i];
adamc@671 3101
adamc@682 3102 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113 3103 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113 3104 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113 3105
adamc@682 3106 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adam@1369 3107 uw_buffer_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 3108 }
adamc@671 3109
adamc@682 3110 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 3111 d->client = client;
adam@1369 3112 uw_buffer_reset(&d->msgs);
adamc@682 3113 return d;
adamc@671 3114 }
adamc@671 3115
adamc@668 3116 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 3117 if (ctx->client == NULL)
adamc@682 3118 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 3119
adamc@682 3120 return new_channel(ctx->client);
adamc@668 3121 }
adamc@668 3122
adamc@668 3123 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 3124 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 3125 size_t len;
adamc@682 3126 int preLen;
adamc@682 3127 char pre[INTS_MAX + 2];
adamc@668 3128
adamc@682 3129 len = strlen(msg);
adamc@682 3130
adamc@682 3131 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 3132
adam@1369 3133 ctx_uw_buffer_append(ctx, "messages", &d->msgs, pre, preLen);
adam@1369 3134 ctx_uw_buffer_append(ctx, "messages", &d->msgs, msg, len);
adam@1369 3135 ctx_uw_buffer_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671 3136
adamc@671 3137 return uw_unit_v;
adamc@668 3138 }
adamc@671 3139
adam@1327 3140 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131 3141 int i;
adamc@1131 3142 cleanup *cl;
adamc@1131 3143
adamc@1131 3144 if (ctx->client)
adamc@1131 3145 release_client(ctx->client);
adamc@1131 3146
adamc@1131 3147 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131 3148 cl->func(cl->arg);
adamc@1131 3149
adamc@1131 3150 ctx->cleanup_front = ctx->cleanup;
adamc@1131 3151
adamc@1131 3152 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3153 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3154 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131 3155
adamc@1131 3156 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3157 if (ctx->transactionals[i].free)
adam@1327 3158 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131 3159
adamc@1144 3160 return ctx->app ? ctx->app->db_rollback(ctx) : 0;
adamc@1131 3161 }
adamc@1131 3162
adamc@671 3163 void uw_commit(uw_context ctx) {
adamc@1104 3164 int i;
adamc@1104 3165
adamc@1131 3166 if (uw_has_error(ctx)) {
adam@1327 3167 uw_rollback(ctx, 0);
adamc@1131 3168 return;
adamc@1131 3169 }
adamc@1131 3170
adamc@1104 3171 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3172 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3173 if (ctx->transactionals[i].commit) {
adamc@1083 3174 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3175 if (uw_has_error(ctx)) {
adam@1327 3176 uw_rollback(ctx, 0);
adamc@1131 3177 return;
adamc@1131 3178 }
adamc@1131 3179 }
adamc@771 3180
adamc@1104 3181 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3182 if (ctx->transactionals[i].rollback == NULL)
adamc@1131 3183 if (ctx->transactionals[i].commit) {
adamc@1083 3184 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3185 if (uw_has_error(ctx)) {
adam@1327 3186 uw_rollback(ctx, 0);
adamc@1131 3187 return;
adamc@1131 3188 }
adamc@1131 3189 }
adamc@1131 3190
adamc@1131 3191 if (ctx->app->db_commit(ctx)) {
adamc@1131 3192 uw_set_error_message(ctx, "Error running SQL COMMIT");
adamc@1131 3193 return;
adamc@1131 3194 }
adamc@682 3195
adamc@682 3196 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 3197 delta *d = &ctx->deltas[i];
adamc@682 3198 client *c = find_client(d->client);
adamc@682 3199
adam@1551 3200 assert (c != NULL);
adam@1551 3201 assert(c->mode == USED);
adamc@682 3202
adam@1447 3203 client_send(c, &d->msgs, ctx->script.start, uw_buffer_used(&ctx->script));
adamc@682 3204 }
adamc@682 3205
adamc@682 3206 if (ctx->client)
adamc@685 3207 release_client(ctx->client);
adamc@771 3208
adamc@1104 3209 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083 3210 if (ctx->transactionals[i].free)
adam@1327 3211 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916 3212
adam@1413 3213 if (*ctx->page.front)
adam@1413 3214 uw_writec(ctx, 0);
adam@1413 3215
adamc@916 3216 // Splice script data into appropriate part of page
adamc@1065 3217 if (ctx->returning_indirectly || ctx->script_header[0] == 0) {
adamc@995 3218 char *start = strstr(ctx->page.start, "<sc>");
adamc@995 3219 if (start) {
adam@1369 3220 memmove(start, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 4);
adamc@995 3221 ctx->page.front -= 4;
adamc@995 3222 }
adam@1369 3223 } else if (uw_buffer_used(&ctx->script) == 0) {
adamc@916 3224 size_t len = strlen(ctx->script_header);
adamc@916 3225 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 3226 if (start) {
adam@1369 3227 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) - 4 + len);
adamc@917 3228 start = strstr(ctx->page.start, "<sc>");
adam@1369 3229 memmove(start + len, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 3230 ctx->page.front += len - 4;
adamc@916 3231 memcpy(start, ctx->script_header, len);
adamc@916 3232 }
adamc@916 3233 } else {
adam@1369 3234 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adamc@916 3235 size_t lenP = lenH + 40 + len;
adamc@916 3236 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 3237 if (start) {
adam@1369 3238 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) - 4 + lenP);
adamc@917 3239 start = strstr(ctx->page.start, "<sc>");
adam@1369 3240 memmove(start + lenP, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 3241 ctx->page.front += lenP - 4;
adamc@916 3242 memcpy(start, ctx->script_header, lenH);
adamc@916 3243 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adamc@916 3244 memcpy(start + lenH + 31, ctx->script.start, len);
adamc@916 3245 memcpy(start + lenH + 31 + len, "</script>", 9);
adamc@916 3246 }
adamc@916 3247 }
adamc@671 3248 }
adamc@671 3249
adamc@683 3250
adamc@1113 3251 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113 3252
adamc@771 3253 void uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327 3254 uw_callback_with_retry free) {
adamc@771 3255 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113 3256 if (ctx->used_transactionals+1 > uw_transactionals_max)
adamc@1113 3257 uw_error(ctx, FATAL, "Exceeded limit on number of transactionals");
adamc@1084 3258 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771 3259 ++ctx->n_transactionals;
adamc@771 3260 }
adamc@771 3261
adamc@771 3262 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 3263 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 3264 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 3265 ctx->transactionals[ctx->used_transactionals++].free = free;
adamc@771 3266 }
adamc@771 3267
adamc@683 3268
adamc@683 3269 // "Garbage collection"
adamc@683 3270
adamc@1121 3271 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121 3272 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121 3273
adamc@1121 3274 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683 3275 int r = setjmp(ctx->jmp_buf);
adamc@683 3276
adamc@1121 3277 if (r == 0)
adamc@1121 3278 uw_do_expunge(ctx, cli, data);
adamc@1121 3279 else
adamc@1121 3280 ctx->app->db_rollback(ctx);
adamc@1121 3281
adamc@1121 3282 uw_post_expunge(ctx, data);
adamc@683 3283
adamc@683 3284 return r;
adamc@683 3285 }
adamc@683 3286
adamc@683 3287 void uw_prune_clients(uw_context ctx) {
adamc@683 3288 client *c, *next, *prev = NULL;
adamc@683 3289 time_t cutoff;
adamc@683 3290
adamc@1094 3291 cutoff = time(NULL) - ctx->app->timeout;
adamc@683 3292
adamc@683 3293 pthread_mutex_lock(&clients_mutex);
adamc@683 3294
adamc@683 3295 for (c = clients_used; c; c = next) {
adamc@683 3296 next = c->next;
adamc@683 3297 pthread_mutex_lock(&c->lock);
adamc@685 3298 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 3299 failure_kind fk = UNLIMITED_RETRY;
adamc@683 3300 if (prev)
adamc@683 3301 prev->next = next;
adamc@683 3302 else
adamc@683 3303 clients_used = next;
adamc@684 3304 uw_reset(ctx);
adamc@683 3305 while (fk == UNLIMITED_RETRY) {
adamc@1121 3306 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121 3307 if (fk == UNLIMITED_RETRY)
adamc@684 3308 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 3309 }
adamc@684 3310 if (fk == SUCCESS)
adamc@684 3311 free_client(c);
adamc@1121 3312 else
adamc@856 3313 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683 3314 }
adamc@683 3315 else
adamc@683 3316 prev = c;
adamc@683 3317 pthread_mutex_unlock(&c->lock);
adamc@683 3318 }
adamc@683 3319
adamc@683 3320 pthread_mutex_unlock(&clients_mutex);
adamc@683 3321 }
adamc@687 3322
adamc@687 3323 failure_kind uw_initialize(uw_context ctx) {
adamc@687 3324 int r = setjmp(ctx->jmp_buf);
adamc@687 3325
adamc@687 3326 if (r == 0) {
adamc@1094 3327 if (ctx->app->db_begin(ctx))
adamc@687 3328 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@1094 3329 ctx->app->initializer(ctx);
adamc@1094 3330 if (ctx->app->db_commit(ctx))
adamc@687 3331 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 3332 }
adamc@687 3333
adamc@687 3334 return r;
adamc@687 3335 }
adamc@717 3336
adamc@1065 3337 static int url_bad(uw_Basis_string s) {
adamc@1065 3338 for (; *s; ++s)
adamc@1153 3339 if (!isgraph((int)*s))
adamc@1065 3340 return 1;
adamc@1065 3341
adamc@1065 3342 return 0;
adamc@1065 3343 }
adamc@1065 3344
adamc@717 3345 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065 3346 if (url_bad(s))
adamc@1065 3347 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094 3348 if (ctx->app->check_url(s))
adamc@770 3349 return s;
adamc@770 3350 else
adamc@770 3351 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 3352 }
adamc@734 3353
adamc@770 3354 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065 3355 if (url_bad(s))
adamc@1065 3356 return NULL;
adamc@1094 3357 if (ctx->app->check_url(s))
adamc@770 3358 return s;
adamc@770 3359 else
adamc@770 3360 return NULL;
adamc@770 3361 }
adamc@770 3362
adam@1465 3363 static int mime_format(const char *s) {
adamc@770 3364 for (; *s; ++s)
adamc@1153 3365 if (!isalnum((int)*s) && *s != '/' && *s != '-' && *s != '.')
adamc@770 3366 return 0;
adamc@770 3367
adamc@770 3368 return 1;
adamc@770 3369 }
adamc@770 3370
adamc@741 3371 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3372 if (!mime_format(s))
adamc@770 3373 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 3374
adamc@1094 3375 if (ctx->app->check_mime(s))
adamc@770 3376 return s;
adamc@770 3377 else
adamc@770 3378 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 3379 }
adamc@770 3380
adamc@770 3381 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3382 if (!mime_format(s))
adamc@770 3383 return NULL;
adamc@770 3384
adamc@1094 3385 if (ctx->app->check_mime(s))
adamc@770 3386 return s;
adamc@770 3387 else
adamc@770 3388 return NULL;
adamc@741 3389 }
adamc@741 3390
adam@1465 3391 uw_Basis_string uw_Basis_blessRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3392 if (!mime_format(s))
adam@1465 3393 uw_error(ctx, FATAL, "Request header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3394
adam@1465 3395 if (ctx->app->check_requestHeader(s))
adam@1465 3396 return s;
adam@1465 3397 else
adam@1465 3398 uw_error(ctx, FATAL, "Disallowed request header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3399 }
adam@1465 3400
adam@1465 3401 uw_Basis_string uw_Basis_checkRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3402 if (!mime_format(s))
adam@1465 3403 return NULL;
adam@1465 3404
adam@1465 3405 if (ctx->app->check_requestHeader(s))
adam@1465 3406 return s;
adam@1465 3407 else
adam@1465 3408 return NULL;
adam@1465 3409 }
adam@1465 3410
adam@1465 3411 uw_Basis_string uw_Basis_blessResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3412 if (!mime_format(s))
adam@1465 3413 uw_error(ctx, FATAL, "Response header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3414
adam@1465 3415 if (ctx->app->check_responseHeader(s))
adam@1465 3416 return s;
adam@1465 3417 else
adam@1465 3418 uw_error(ctx, FATAL, "Disallowed response header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3419 }
adam@1465 3420
adam@1465 3421 uw_Basis_string uw_Basis_checkResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3422 if (!mime_format(s))
adam@1465 3423 return NULL;
adam@1465 3424
adam@1465 3425 if (ctx->app->check_responseHeader(s))
adam@1465 3426 return s;
adam@1465 3427 else
adam@1465 3428 return NULL;
adam@1465 3429 }
adam@1465 3430
adam@1465 3431 uw_Basis_string uw_Basis_getHeader(uw_context ctx, uw_Basis_string name) {
adam@1465 3432 return uw_Basis_requestHeader(ctx, name);
adam@1465 3433 }
adam@1465 3434
adam@1465 3435 static int mime_value_format(const char *s) {
adam@1465 3436 for (; *s; ++s)
adam@1465 3437 if (*s == '\r' || *s == '\n')
adam@1465 3438 return 0;
adam@1465 3439
adam@1465 3440 return 1;
adam@1465 3441 }
adam@1465 3442
adam@1465 3443 uw_unit uw_Basis_setHeader(uw_context ctx, uw_Basis_string name, uw_Basis_string value) {
adam@1465 3444 if (!mime_value_format(value))
adam@1465 3445 uw_error(ctx, FATAL, "Invalid value for HTTP response header");
adam@1465 3446
adam@1465 3447 uw_write_header(ctx, name);
adam@1465 3448 uw_write_header(ctx, ": ");
adam@1465 3449 uw_write_header(ctx, value);
adam@1465 3450 uw_write_header(ctx, "\r\n");
adam@1465 3451
adam@1465 3452 return uw_unit_v;
adam@1465 3453 }
adam@1465 3454
adamc@734 3455 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 3456 return s ? s : "";
adamc@734 3457 }
adamc@734 3458
adamc@734 3459 extern int uw_hash_blocksize;
adamc@734 3460
adamc@734 3461 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 3462 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 3463 int i;
adamc@734 3464
adamc@734 3465 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 3466 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 3467
adamc@734 3468 return r;
adamc@734 3469 }
adamc@734 3470
adam@1512 3471 /* This bit of crafty code is intended to prevent GCC from performing
adam@1512 3472 * optimizations that would enable timing attacks. See:
adam@1512 3473 * http://www.impredicative.com/pipermail/ur/2011-July/000659.html
adam@1512 3474 */
adam@1512 3475 int uw_streq(uw_Basis_string s1, uw_Basis_string s2) {
adam@1512 3476 int i, x = 0, len1 = strlen(s1);
adam@1512 3477
adam@1512 3478 if (len1 != strlen(s2)) return 0;
adam@1512 3479
adam@1512 3480 for (i = 0; i < len1; ++i) {
adam@1512 3481 __asm__ __volatile__ ("");
adam@1512 3482 x |= s1[i] ^ s2[i];
adam@1512 3483 }
adam@1512 3484
adam@1512 3485 return x == 0;
adam@1512 3486 }
adam@1512 3487
adamc@734 3488 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adamc@1094 3489 return ctx->app->cookie_sig(ctx);
adamc@734 3490 }
adamc@737 3491
adamc@737 3492 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 3493 return f.name;
adamc@737 3494 }
adamc@737 3495
adamc@740 3496 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 3497 return f.type;
adamc@740 3498 }
adamc@740 3499
adamc@745 3500 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 3501 return b.size;
adamc@745 3502 }
adamc@745 3503
adamc@1119 3504 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119 3505 uw_Basis_blob b = {strlen(s), s};
adamc@1119 3506
adamc@1119 3507 return b;
adamc@1119 3508 }
adamc@1119 3509
adamc@737 3510 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 3511 return f.data;
adamc@737 3512 }
adamc@741 3513
adam@1347 3514 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3515 return pb.type;
adam@1347 3516 }
adam@1347 3517
adam@1347 3518 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3519 return pb.data;
adam@1347 3520 }
adam@1347 3521
adam@1471 3522 static char *old_headers(uw_context ctx) {
adam@1471 3523 if (uw_buffer_used(&ctx->outHeaders) == 0)
adam@1471 3524 return NULL;
adam@1471 3525 else {
adam@1471 3526 char *s = strchr(ctx->outHeaders.start, '\n');
adam@1471 3527
adam@1471 3528 if (s == NULL || strncasecmp(s+1, "Content-type: ", 14))
adam@1471 3529 return NULL;
adam@1471 3530 else {
adam@1471 3531 s = strchr(s+15, '\n');
adam@1471 3532 if (s == NULL)
adam@1471 3533 return NULL;
adam@1471 3534 else
adam@1471 3535 return uw_strdup(ctx, s+1);
adam@1471 3536 }
adam@1471 3537 }
adam@1471 3538 }
adam@1471 3539
adamc@741 3540 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 3541 cleanup *cl;
adamc@741 3542 int len;
adam@1471 3543 char *oldh;
adamc@741 3544
adam@1451 3545 if (!ctx->allowed_to_return_indirectly)
adam@1451 3546 uw_error(ctx, FATAL, "Tried to return a blob from an RPC");
adam@1451 3547
adamc@1065 3548 ctx->returning_indirectly = 1;
adam@1471 3549 oldh = old_headers(ctx);
adam@1369 3550 uw_buffer_reset(&ctx->outHeaders);
adam@1369 3551 uw_buffer_reset(&ctx->page);
adamc@741 3552
adamc@856 3553 uw_write_header(ctx, on_success);
adamc@856 3554 uw_write_header(ctx, "Content-Type: ");
adamc@741 3555 uw_write_header(ctx, mimeType);
adamc@741 3556 uw_write_header(ctx, "\r\nContent-Length: ");
adam@1369 3557 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134 3558 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741 3559 ctx->outHeaders.front += len;
adamc@1066 3560 uw_write_header(ctx, "\r\n");
adam@1471 3561 if (oldh) uw_write_header(ctx, oldh);
adamc@741 3562
adam@1369 3563 ctx_uw_buffer_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741 3564
adamc@741 3565 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 3566 cl->func(cl->arg);
adamc@741 3567
adamc@741 3568 ctx->cleanup_front = ctx->cleanup;
adamc@741 3569
adamc@1065 3570 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065 3571 }
adamc@1065 3572
adamc@1065 3573 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065 3574 cleanup *cl;
adamc@1066 3575 char *s;
adam@1471 3576 char *oldh;
adamc@1065 3577
adam@1451 3578 if (!ctx->allowed_to_return_indirectly)
adam@1451 3579 uw_error(ctx, FATAL, "Tried to redirect from an RPC");
adam@1451 3580
adamc@1065 3581 ctx->returning_indirectly = 1;
adam@1471 3582 oldh = old_headers(ctx);
adam@1369 3583 uw_buffer_reset(&ctx->page);
adam@1369 3584 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->outHeaders)+1);
adam@1369 3585 memcpy(ctx->page.start, ctx->outHeaders.start, uw_buffer_used(&ctx->outHeaders));
adam@1369 3586 ctx->page.start[uw_buffer_used(&ctx->outHeaders)] = 0;
adam@1369 3587 uw_buffer_reset(&ctx->outHeaders);
adamc@1065 3588
adam@1409 3589 if (on_success[0])
adam@1409 3590 uw_write_header(ctx, on_redirect);
adam@1409 3591 else
adam@1409 3592 uw_write_header(ctx, "Status: 303 See Other\r\n");
adam@1409 3593 s = on_success[0] ? strchr(ctx->page.start, '\n') : ctx->page.start;
adamc@1066 3594 if (s) {
adamc@1066 3595 char *s2;
adam@1409 3596 if (s[0] == '\n') ++s;
adam@1409 3597 for (; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066 3598 *s2 = 0;
adamc@1066 3599 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066 3600 uw_write_header(ctx, s);
adamc@1066 3601 uw_write_header(ctx, "\n");
adamc@1066 3602 }
adamc@1066 3603 }
adamc@1066 3604 }
adamc@1066 3605
adamc@1065 3606 uw_write_header(ctx, "Location: ");
adamc@1065 3607 uw_write_header(ctx, url);
adamc@1065 3608 uw_write_header(ctx, "\r\n\r\n");
adam@1471 3609 if (oldh) uw_write_header(ctx, oldh);
adamc@1065 3610
adamc@1065 3611 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065 3612 cl->func(cl->arg);
adamc@1065 3613
adamc@1065 3614 ctx->cleanup_front = ctx->cleanup;
adamc@1065 3615
adamc@1065 3616 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741 3617 }
adamc@874 3618
adamc@874 3619 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adam@1467 3620 uw_Basis_string ret = uw_malloc(ctx, strlen(s) + 1), r = ret;
adamc@874 3621
adamc@874 3622 for (; *s; ++s) {
adamc@874 3623 if (s[0] == '\'') {
adamc@874 3624 *r++ = '\'';
adamc@874 3625 for (++s; *s; ++s) {
adamc@874 3626 if (s[0] == '\'') {
adamc@874 3627 *r++ = '\'';
adamc@874 3628 break;
adamc@874 3629 } else if (s[0] == '\\') {
adam@1467 3630 *r++ = '\\';
adam@1467 3631 *r++ = s[1];
adam@1467 3632 ++s;
adamc@874 3633 } else
adamc@874 3634 *r++ = s[0];
adamc@874 3635 }
adamc@874 3636 if (*s == 0) break;
adam@1467 3637 } else if (s[0] == 'T' && s[1] == '_' && s[2] == 'T' && s[3] == '.')
adam@1467 3638 s += 3;
adamc@874 3639 else
adamc@874 3640 *r++ = s[0];
adamc@874 3641 }
adamc@874 3642
adam@1467 3643 *r = 0;
adam@1467 3644 return ret;
adamc@874 3645 }
adamc@874 3646
adamc@922 3647 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922 3648 va_list ap;
adamc@922 3649 size_t len = 1;
adamc@922 3650 char *s, *r, *s2;
adamc@922 3651
adamc@922 3652 va_start(ap, ctx);
adamc@922 3653 for (s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3654 len += strlen(s);
adamc@922 3655 va_end(ap);
adamc@922 3656
adamc@922 3657 r = uw_malloc(ctx, len);
adamc@922 3658 va_start(ap, ctx);
adamc@922 3659 for (s2 = r, s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3660 while (*s)
adamc@922 3661 *s2++ = *s++;
adamc@922 3662 va_end(ap);
adamc@922 3663 *s2 = 0;
adamc@922 3664
adamc@922 3665 return r;
adamc@922 3666 }
adamc@1006 3667
adam@1365 3668 const uw_Basis_time uw_Basis_minTime = {};
adamc@1050 3669
adamc@1006 3670 uw_Basis_time uw_Basis_now(uw_context ctx) {
adam@1365 3671 uw_Basis_time r = { time(NULL) };
adam@1365 3672 return r;
adamc@1006 3673 }
adamc@1061 3674
adam@1369 3675 uw_Basis_time uw_Basis_addSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adam@1369 3676 tm.seconds += n;
adam@1365 3677 return tm;
adamc@1138 3678 }
adamc@1138 3679
adam@1514 3680 uw_Basis_int uw_Basis_diffInSeconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1514 3681 return difftime(tm2.seconds, tm1.seconds);
adam@1514 3682 }
adam@1514 3683
adam@1514 3684 uw_Basis_int uw_Basis_toSeconds(uw_context ctx, uw_Basis_time tm) {
adam@1514 3685 return tm.seconds;
adam@1514 3686 }
adam@1514 3687
adamc@1061 3688 void *uw_get_global(uw_context ctx, char *name) {
adamc@1061 3689 int i;
adamc@1061 3690
adamc@1061 3691 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3692 if (!strcmp(name, ctx->globals[i].name))
adamc@1061 3693 return ctx->globals[i].data;
adamc@1061 3694
adamc@1061 3695 return NULL;
adamc@1061 3696 }
adamc@1061 3697
adamc@1113 3698 size_t uw_globals_max = SIZE_MAX;
adamc@1113 3699
adamc@1061 3700 void uw_set_global(uw_context ctx, char *name, void *data, void (*free)(void*)) {
adamc@1061 3701 int i;
adamc@1061 3702
adamc@1061 3703 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3704 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089 3705 if (ctx->globals[i].free)
adamc@1061 3706 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061 3707 ctx->globals[i].data = data;
adamc@1061 3708 ctx->globals[i].free = free;
adamc@1061 3709 return;
adamc@1061 3710 }
adamc@1089 3711
adamc@1113 3712 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113 3713 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113 3714
adamc@1061 3715 ++ctx->n_globals;
adamc@1061 3716 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061 3717 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061 3718 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061 3719 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061 3720 }
adamc@1061 3721
adamc@1061 3722 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153 3723 return !!isalnum((int)c);
adamc@1061 3724 }
adamc@1061 3725
adamc@1061 3726 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153 3727 return !!isalpha((int)c);
adamc@1061 3728 }
adamc@1061 3729
adamc@1061 3730 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153 3731 return !!isblank((int)c);
adamc@1061 3732 }
adamc@1061 3733
adamc@1061 3734 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153 3735 return !!iscntrl((int)c);
adamc@1061 3736 }
adamc@1061 3737
adamc@1061 3738 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3739 return !!isdigit((int)c);
adamc@1061 3740 }
adamc@1061 3741
adamc@1061 3742 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153 3743 return !!isgraph((int)c);
adamc@1061 3744 }
adamc@1061 3745
adamc@1061 3746 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3747 return !!islower((int)c);
adamc@1061 3748 }
adamc@1061 3749
adamc@1061 3750 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153 3751 return !!isprint((int)c);
adamc@1061 3752 }
adamc@1061 3753
adamc@1061 3754 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153 3755 return !!ispunct((int)c);
adamc@1061 3756 }
adamc@1061 3757
adamc@1061 3758 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153 3759 return !!isspace((int)c);
adamc@1061 3760 }
adamc@1063 3761
adamc@1061 3762 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3763 return !!isupper((int)c);
adamc@1061 3764 }
adamc@1061 3765
adamc@1061 3766 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3767 return !!isxdigit((int)c);
adamc@1061 3768 }
adamc@1061 3769
adamc@1061 3770 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3771 return tolower((int)c);
adamc@1061 3772 }
adamc@1061 3773
adamc@1061 3774 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3775 return toupper((int)c);
adamc@1061 3776 }
adamc@1066 3777
adamc@1128 3778 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128 3779 return (unsigned char)c;
adamc@1128 3780 }
adamc@1128 3781
adamc@1128 3782 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128 3783 return n;
adamc@1128 3784 }
adamc@1128 3785
adamc@1066 3786 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066 3787 return ctx->current_url;
adamc@1066 3788 }
adamc@1066 3789
adamc@1066 3790 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066 3791 ctx->current_url = s;
adamc@1066 3792 }
adamc@1114 3793
adamc@1114 3794 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114 3795 ctx->deadline = n;
adamc@1114 3796 }
adamc@1114 3797
adamc@1114 3798 void uw_check_deadline(uw_context ctx) {
adamc@1114 3799 if (uw_time > ctx->deadline)
adamc@1114 3800 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114 3801 }
adamc@1115 3802
adamc@1115 3803 size_t uw_database_max = SIZE_MAX;
adamc@1120 3804
adam@1389 3805 uw_Basis_int uw_Basis_naughtyDebug(uw_context ctx, uw_Basis_string s) {
adam@1389 3806 fprintf(stderr, "%s\n", s);
adam@1389 3807 return 0;
adam@1389 3808 }
adam@1389 3809
adamc@1120 3810 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
adam@1334 3811 if (ctx->log_debug)
adam@1334 3812 ctx->log_debug(ctx->logger_data, "%s\n", s);
adam@1334 3813 else
adam@1334 3814 fprintf(stderr, "%s\n", s);
adamc@1120 3815 return uw_unit_v;
adamc@1120 3816 }
adamc@1250 3817
adamc@1250 3818 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adam@1486 3819 uw_Basis_int ret;
adam@1486 3820 int r = RAND_bytes((unsigned char *)&ret, sizeof ret);
adam@1486 3821
adam@1486 3822 if (r)
adam@1486 3823 return abs(ret);
adam@1486 3824 else
adam@1486 3825 uw_error(ctx, FATAL, "Random number generation failed");
adamc@1250 3826 }
adam@1347 3827
adam@1347 3828 void uw_noPostBody(uw_context ctx) {
adam@1347 3829 ctx->hasPostBody = 0;
adam@1347 3830 }
adam@1347 3831
adam@1347 3832 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3833 ctx->hasPostBody = 1;
adam@1347 3834 ctx->postBody = pb;
adam@1347 3835 }
adam@1347 3836
adam@1347 3837 int uw_hasPostBody(uw_context ctx) {
adam@1347 3838 return ctx->hasPostBody;
adam@1347 3839 }
adam@1347 3840
adam@1386 3841 void uw_isPost(uw_context ctx) {
adam@1386 3842 ctx->isPost = 1;
adam@1386 3843 }
adam@1386 3844
adam@1386 3845 uw_Basis_bool uw_Basis_currentUrlHasPost(uw_context ctx) {
adam@1386 3846 return ctx->isPost;
adam@1386 3847 }
adam@1386 3848
adam@1485 3849 uw_Basis_bool uw_Basis_currentUrlHasQueryString(uw_context ctx) {
adam@1485 3850 return ctx->queryString != NULL && ctx->queryString[0] != 0;
adam@1485 3851 }
adam@1485 3852
adam@1370 3853 void uw_setQueryString(uw_context ctx, uw_Basis_string s) {
adam@1370 3854 ctx->queryString = s;
adam@1370 3855 }
adam@1370 3856
adam@1370 3857 uw_Basis_string uw_queryString(uw_context ctx) {
adam@1370 3858 return ctx->queryString;
adam@1370 3859 }
adam@1370 3860
adam@1347 3861 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347 3862 if (ctx->hasPostBody)
adam@1347 3863 return ctx->postBody;
adam@1347 3864 else
adam@1347 3865 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347 3866 }
adam@1349 3867
adam@1349 3868 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349 3869 int r = setjmp(ctx->jmp_buf);
adam@1349 3870
adam@1349 3871 if (r == 0) {
adam@1418 3872 if (ctx->app->db_begin(ctx))
adam@1418 3873 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1418 3874
adam@1349 3875 callback(ctx);
adam@1349 3876 }
adam@1349 3877
adam@1349 3878 return r;
adam@1349 3879 }
adam@1360 3880
adam@1360 3881 uw_Basis_string uw_Basis_crypt(uw_context ctx, uw_Basis_string key, uw_Basis_string salt) {
adam@1397 3882 char buf[14];
adam@1397 3883 return uw_strdup(ctx, DES_fcrypt(key, salt, buf));
adam@1360 3884 }
adam@1365 3885
adam@1365 3886 uw_Basis_bool uw_Basis_eq_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3887 return !!(t1.seconds == t2.seconds && t1.microseconds == t2.microseconds);
adam@1365 3888 }
adam@1365 3889
adam@1365 3890 uw_Basis_bool uw_Basis_lt_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3891 return !!(t1.seconds < t2.seconds || t1.microseconds < t2.microseconds);
adam@1365 3892 }
adam@1365 3893
adam@1365 3894 uw_Basis_bool uw_Basis_le_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3895 return !!(uw_Basis_eq_time(ctx, t1, t2) || uw_Basis_lt_time(ctx, t1, t2));
adam@1365 3896 }
adam@1365 3897
adam@1372 3898 uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374 3899 struct tm stm = {};
adam@1375 3900 char *end = strchr(s, 0);
adam@1449 3901 stm.tm_isdst = -1;
adam@1375 3902
adam@1375 3903 if (strptime(s, TIME_FMT_PG, &stm) == end || strptime(s, TIME_FMT, &stm) == end) {
adam@1373 3904 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1375 3905
kkallio@1448 3906 r->seconds = timegm(&stm);
adam@1373 3907 r->microseconds = 0;
adam@1373 3908
adam@1373 3909 return r;
adam@1374 3910 }
adam@1374 3911 else
adam@1373 3912 return NULL;
adam@1372 3913 }
adam@1407 3914
adam@1407 3915 static const char 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@1407 3916
adam@1407 3917 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1407 3918 int r = setjmp(ctx->jmp_buf);
adam@1407 3919
adam@1407 3920 if (ctx->app->on_error) {
adam@1407 3921 if (r == 0) {
adam@1407 3922 if (ctx->app->db_begin(ctx))
adam@1407 3923 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1407 3924
adam@1409 3925 uw_buffer_reset(&ctx->outHeaders);
adam@1409 3926 if (on_success[0])
adam@1409 3927 uw_write_header(ctx, "HTTP/1.1 ");
adam@1409 3928 else
adam@1409 3929 uw_write_header(ctx, "Status: ");
adam@1409 3930 uw_write_header(ctx, "500 Internal Server Error\r\n");
adam@1407 3931 uw_write_header(ctx, "Content-type: text/html\r\n\r\n");
adam@1407 3932 uw_write(ctx, begin_xhtml);
adam@1407 3933 ctx->app->on_error(ctx, msg);
adam@1407 3934 uw_write(ctx, "</html>");
adam@1407 3935 }
adam@1407 3936
adam@1407 3937 return r;
adam@1407 3938 } else
adam@1407 3939 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1407 3940 }
adam@1451 3941
adam@1451 3942 void uw_mayReturnIndirectly(uw_context ctx) {
adam@1451 3943 ctx->allowed_to_return_indirectly = 1;
adam@1451 3944 }
adam@1483 3945
adam@1483 3946 void uw_cutErrorLocation(char *s) {
adam@1483 3947 char *s2;
adam@1483 3948
adam@1483 3949 s2 = strstr(s, ": ");
adam@1483 3950 if (s2 == NULL || strcspn(s, "<&") < s2 - s)
adam@1483 3951 return;
adam@1483 3952
adam@1483 3953 memmove(s, s2+2, strlen(s2+2)+1);
adam@1483 3954 }
adam@1556 3955
adam@1556 3956 uw_Basis_string uw_Basis_fresh(uw_context ctx) {
adam@1556 3957 return uw_Basis_htmlifyInt(ctx, ctx->nextId++);
adam@1556 3958 }