annotate src/c/urweb.c @ 1576:f6c74b4bc4e6

Change error message display order: only show disjointness/type class failures if all record unifications succeeded
author Adam Chlipala <adam@chlipala.net>
date Sat, 15 Oct 2011 10:31:30 -0400
parents f403e129c276
children 43f22a8f76cc
rev   line source
adamc@1268 1 #include "config.h"
adamc@1268 2
adamc@117 3 #include <stdlib.h>
adamc@102 4 #include <stdio.h>
adamc@117 5 #include <string.h>
adamc@457 6 #include <strings.h>
adamc@106 7 #include <ctype.h>
adamc@167 8 #include <setjmp.h>
adamc@167 9 #include <stdarg.h>
adamc@682 10 #include <assert.h>
adamc@741 11 #include <ctype.h>
adamc@1114 12 #include <limits.h>
adamc@1113 13 #include <stdint.h>
adamc@1094 14 #include <sys/types.h>
adamc@1094 15 #include <sys/socket.h>
adam@1397 16 #include <openssl/des.h>
adam@1486 17 #include <openssl/rand.h>
adam@1374 18 #include <time.h>
adam@1571 19 #include <math.h>
adamc@102 20
adamc@667 21 #include <pthread.h>
adamc@667 22
adamc@102 23 #include "types.h"
adamc@102 24
adam@1431 25 uw_unit uw_unit_v = 0;
adamc@102 26
adamc@667 27
adamc@667 28 // Socket extras
adamc@667 29
adamc@863 30 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667 31 while (len > 0) {
adamc@856 32 ssize_t n = send(sock, buf, len, 0);
adamc@856 33
adamc@856 34 if (n < 0)
adamc@856 35 return n;
adamc@856 36
adamc@856 37 buf += n;
adamc@856 38 len -= n;
adamc@856 39 }
adamc@856 40
adamc@856 41 return 0;
adamc@856 42 }
adamc@856 43
adamc@856 44 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856 45 while (len > 0) {
adamc@856 46 ssize_t n = write(fd, buf, len);
adamc@667 47
adamc@667 48 if (n < 0)
adamc@667 49 return n;
adamc@667 50
adamc@667 51 buf += n;
adamc@667 52 len -= n;
adamc@667 53 }
adamc@667 54
adamc@667 55 return 0;
adamc@667 56 }
adamc@667 57
adamc@667 58
adamc@667 59 // Buffers
adamc@667 60
adam@1369 61 void uw_buffer_init(size_t max, uw_buffer *b, size_t s) {
adamc@1113 62 b->max = max;
adamc@667 63 b->front = b->start = malloc(s);
adamc@667 64 b->back = b->front + s;
adamc@667 65 }
adamc@667 66
adam@1369 67 void uw_buffer_free(uw_buffer *b) {
adamc@667 68 free(b->start);
adamc@667 69 }
adamc@667 70
adam@1369 71 void uw_buffer_reset(uw_buffer *b) {
adamc@667 72 b->front = b->start;
adamc@667 73 }
adamc@667 74
adam@1369 75 int uw_buffer_check(uw_buffer *b, size_t extra) {
adamc@667 76 if (b->back - b->front < extra) {
adamc@667 77 size_t desired = b->front - b->start + extra, next;
adamc@667 78 char *new_heap;
adamc@667 79
adamc@667 80 next = b->back - b->start;
adamc@667 81 if (next == 0)
adamc@667 82 next = 1;
adamc@667 83 for (; next < desired; next *= 2);
adamc@667 84
adamc@1134 85 if (next > b->max) {
adamc@1113 86 if (desired <= b->max)
adamc@1113 87 next = desired;
adamc@1113 88 else
adamc@1113 89 return 1;
adamc@1134 90 }
adamc@1113 91
adamc@667 92 new_heap = realloc(b->start, next);
adamc@667 93 b->front = new_heap + (b->front - b->start);
adamc@667 94 b->back = new_heap + next;
adamc@667 95 b->start = new_heap;
adamc@667 96 }
adamc@1113 97
adamc@1113 98 return 0;
adamc@1113 99 }
adamc@1113 100
adamc@1113 101 __attribute__((noreturn)) void uw_error(uw_context, failure_kind, const char *, ...);
adamc@1113 102
adam@1369 103 static void ctx_uw_buffer_check(uw_context ctx, const char *kind, uw_buffer *b, size_t extra) {
adam@1369 104 if (uw_buffer_check(b, extra))
adamc@1113 105 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@667 106 }
adamc@667 107
adam@1369 108 size_t uw_buffer_used(uw_buffer *b) {
adamc@667 109 return b->front - b->start;
adamc@667 110 }
adamc@667 111
adam@1369 112 size_t uw_buffer_avail(uw_buffer *b) {
adamc@667 113 return b->back - b->start;
adamc@667 114 }
adamc@667 115
adam@1369 116 int uw_buffer_append(uw_buffer *b, const char *s, size_t len) {
adam@1369 117 if (uw_buffer_check(b, len+1))
adamc@1113 118 return 1;
adamc@1113 119
adamc@1113 120 memcpy(b->front, s, len);
adamc@1113 121 b->front += len;
adamc@1113 122 *b->front = 0;
adamc@1113 123
adamc@1113 124 return 0;
adamc@1113 125 }
adamc@1113 126
adam@1369 127 static void ctx_uw_buffer_append(uw_context ctx, const char *kind, uw_buffer *b, const char *s, size_t len) {
adam@1369 128 ctx_uw_buffer_check(ctx, kind, b, len+1);
adamc@1113 129
adamc@668 130 memcpy(b->front, s, len);
adamc@668 131 b->front += len;
adamc@672 132 *b->front = 0;
adamc@668 133 }
adamc@667 134
adamc@668 135
adamc@672 136 // Persistent state types
adamc@667 137
adamc@667 138 typedef enum { UNUSED, USED } usage;
adamc@667 139
adamc@667 140 typedef struct client {
adamc@682 141 unsigned id;
adamc@667 142 usage mode;
adamc@682 143 int pass;
adamc@682 144 struct client *next;
adamc@689 145 pthread_mutex_t lock, pull_lock;
adam@1369 146 uw_buffer msgs;
adamc@682 147 int sock;
adamc@863 148 int (*send)(int sockfd, const void *buf, ssize_t len);
adamc@863 149 int (*close)(int fd);
adamc@682 150 time_t last_contact;
adamc@682 151 unsigned n_channels;
adamc@685 152 unsigned refcount;
adamc@1121 153 void *data;
adamc@667 154 } client;
adamc@667 155
adamc@672 156
adamc@672 157 // Persistent client state
adamc@672 158
adamc@682 159 static client **clients, *clients_free, *clients_used;
adamc@682 160 static unsigned n_clients;
adamc@667 161
adamc@667 162 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@667 163
adamc@1113 164 size_t uw_messages_max = SIZE_MAX;
adamc@1113 165 size_t uw_clients_max = SIZE_MAX;
adamc@1113 166
adamc@1121 167 void *uw_init_client_data();
adamc@1121 168 void uw_free_client_data(void *);
adamc@1121 169 void uw_copy_client_data(void *dst, void *src);
adamc@1121 170
adamc@682 171 static client *new_client() {
adamc@667 172 client *c;
adamc@667 173
adamc@667 174 pthread_mutex_lock(&clients_mutex);
adamc@667 175
adamc@667 176 if (clients_free) {
adamc@667 177 c = clients_free;
adamc@682 178 clients_free = clients_free->next;
adamc@667 179 }
adamc@1113 180 else if (n_clients >= uw_clients_max)
adamc@1113 181 return NULL;
adamc@667 182 else {
adamc@667 183 ++n_clients;
adamc@667 184 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667 185 c = malloc(sizeof(client));
adamc@667 186 c->id = n_clients-1;
adamc@682 187 pthread_mutex_init(&c->lock, NULL);
adamc@689 188 pthread_mutex_init(&c->pull_lock, NULL);
adam@1369 189 uw_buffer_init(uw_messages_max, &c->msgs, 0);
adamc@667 190 clients[n_clients-1] = c;
adamc@667 191 }
adamc@667 192
adamc@682 193 pthread_mutex_lock(&c->lock);
adamc@667 194 c->mode = USED;
adamc@682 195 c->pass = rand();
adamc@682 196 c->sock = -1;
adamc@682 197 c->last_contact = time(NULL);
adam@1369 198 uw_buffer_reset(&c->msgs);
adamc@682 199 c->n_channels = 0;
adamc@685 200 c->refcount = 0;
adamc@1121 201 c->data = uw_init_client_data();
adamc@682 202 pthread_mutex_unlock(&c->lock);
adamc@682 203
adamc@682 204 c->next = clients_used;
adamc@682 205 clients_used = c;
adamc@667 206
adamc@667 207 pthread_mutex_unlock(&clients_mutex);
adamc@667 208
adamc@667 209 return c;
adamc@667 210 }
adamc@667 211
adamc@685 212 static void use_client(client *c) {
adamc@685 213 pthread_mutex_lock(&c->lock);
adamc@685 214 ++c->refcount;
adamc@685 215 pthread_mutex_unlock(&c->lock);
adamc@689 216 pthread_mutex_lock(&c->pull_lock);
adamc@685 217 }
adamc@685 218
adamc@685 219 static void release_client(client *c) {
adamc@689 220 pthread_mutex_unlock(&c->pull_lock);
adamc@685 221 pthread_mutex_lock(&c->lock);
adamc@685 222 --c->refcount;
adamc@685 223 pthread_mutex_unlock(&c->lock);
adamc@685 224 }
adamc@685 225
adamc@856 226 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adamc@667 227
adamc@682 228 static client *find_client(unsigned id) {
adamc@667 229 client *c;
adamc@667 230
adamc@667 231 pthread_mutex_lock(&clients_mutex);
adamc@667 232
adamc@667 233 if (id >= n_clients) {
adamc@667 234 pthread_mutex_unlock(&clients_mutex);
adamc@668 235 return NULL;
adamc@667 236 }
adamc@667 237
adamc@667 238 c = clients[id];
adamc@667 239
adamc@668 240 pthread_mutex_unlock(&clients_mutex);
adamc@668 241 return c;
adamc@668 242 }
adamc@668 243
adamc@856 244 static char *on_success = "HTTP/1.1 200 OK\r\n";
adam@1409 245 static char *on_redirect = "HTTP/1.1 303 See Other\r\n";
adamc@856 246
adamc@856 247 void uw_set_on_success(char *s) {
adamc@856 248 on_success = s;
adamc@856 249 }
adamc@856 250
adam@1552 251 static void chastise(int (*send)(int sockfd, const void *buf, ssize_t len), int sock) {
adam@1552 252 send(sock, on_success, strlen(on_success));
adam@1552 253 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1552 254 send(sock, "R", 1);
adam@1552 255 close(sock);
adam@1552 256 }
adam@1552 257
adamc@863 258 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863 259 int (*send)(int sockfd, const void *buf, ssize_t len),
adamc@864 260 int (*close)(int fd),
adamc@864 261 void *logger_data, uw_logger log_error) {
adamc@682 262 client *c = find_client(id);
adamc@668 263
adamc@668 264 if (c == NULL) {
adam@1552 265 chastise(send, sock);
adamc@864 266 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667 267 return;
adamc@667 268 }
adamc@667 269
adamc@682 270 pthread_mutex_lock(&c->lock);
adamc@671 271
adamc@682 272 if (c->mode != USED) {
adamc@682 273 pthread_mutex_unlock(&c->lock);
adam@1552 274 chastise(send, sock);
adamc@864 275 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667 276 return;
adamc@667 277 }
adamc@667 278
adamc@682 279 if (pass != c->pass) {
adamc@682 280 pthread_mutex_unlock(&c->lock);
adam@1552 281 chastise(send, sock);
adamc@864 282 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682 283 return;
adamc@667 284 }
adamc@667 285
adamc@682 286 if (c->sock != -1) {
adamc@863 287 c->close(c->sock);
adamc@682 288 c->sock = -1;
adamc@682 289 }
adamc@667 290
adamc@682 291 c->last_contact = time(NULL);
adamc@682 292
adam@1369 293 if (uw_buffer_used(&c->msgs) > 0) {
adamc@863 294 send(sock, on_success, strlen(on_success));
adamc@863 295 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1369 296 send(sock, c->msgs.start, uw_buffer_used(&c->msgs));
adam@1369 297 uw_buffer_reset(&c->msgs);
adamc@667 298 close(sock);
adamc@667 299 }
adamc@863 300 else {
adamc@682 301 c->sock = sock;
adamc@863 302 c->send = send;
adamc@863 303 c->close = close;
adamc@863 304 }
adamc@667 305
adamc@682 306 pthread_mutex_unlock(&c->lock);
adamc@667 307 }
adamc@667 308
adamc@682 309 static void free_client(client *c) {
adamc@682 310 c->mode = UNUSED;
adamc@682 311 c->pass = -1;
adamc@667 312
adamc@682 313 c->next = clients_free;
adamc@682 314 clients_free = c;
adamc@667 315 }
adamc@667 316
adamc@682 317 static uw_Basis_channel new_channel(client *c) {
adamc@682 318 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668 319 return ch;
adamc@668 320 }
adamc@668 321
adam@1447 322 static void client_send(client *c, uw_buffer *msg, const char *script, int script_len) {
adamc@685 323 pthread_mutex_lock(&c->lock);
adamc@671 324
adamc@682 325 if (c->sock != -1) {
adamc@863 326 c->send(c->sock, on_success, strlen(on_success));
adamc@863 327 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1447 328 if (script_len > 0) {
adam@1447 329 c->send(c->sock, "E\n", 2);
adam@1447 330 c->send(c->sock, script, script_len);
adam@1447 331 c->send(c->sock, "\n", 1);
adam@1447 332 }
adam@1369 333 c->send(c->sock, msg->start, uw_buffer_used(msg));
adamc@863 334 c->close(c->sock);
adamc@682 335 c->sock = -1;
adam@1447 336 } else if ((script_len > 0
adam@1447 337 && (c->send(c->sock, "E\n", 2)
adam@1447 338 || c->send(c->sock, script, script_len)
adam@1447 339 || c->send(c->sock, "\n", 1)))
adam@1447 340 || uw_buffer_append(&c->msgs, msg->start, uw_buffer_used(msg)))
adamc@1113 341 fprintf(stderr, "Client message buffer size exceeded");
adamc@671 342
adamc@685 343 pthread_mutex_unlock(&c->lock);
adamc@668 344 }
adamc@668 345
adamc@668 346
adamc@668 347 // Global entry points
adamc@668 348
adamc@1164 349 extern void uw_global_custom();
adamc@1104 350 extern void uw_init_crypto();
adamc@1104 351
adamc@668 352 void uw_global_init() {
adamc@668 353 srand(time(NULL) ^ getpid());
adamc@668 354
adamc@668 355 clients = malloc(0);
adamc@1104 356
adamc@1164 357 uw_global_custom();
adamc@1104 358 uw_init_crypto();
adamc@1094 359 }
adamc@1094 360
adamc@1094 361 void uw_app_init(uw_app *app) {
adamc@1094 362 app->client_init();
adamc@668 363 }
adamc@668 364
adam@1332 365 int uw_time = 0, uw_time_max = 0, uw_min_heap = 0;
adamc@1114 366
adamc@668 367
adamc@667 368 // Single-request state
adamc@667 369
adamc@323 370 typedef struct regions {
adamc@323 371 struct regions *next;
adamc@323 372 } regions;
adamc@323 373
adamc@425 374 typedef struct {
adamc@425 375 void (*func)(void*);
adamc@425 376 void *arg;
adamc@425 377 } cleanup;
adamc@425 378
adamc@671 379 typedef struct {
adamc@682 380 unsigned client;
adam@1369 381 uw_buffer msgs;
adamc@682 382 } delta;
adamc@671 383
adamc@737 384 typedef enum {
adamc@759 385 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737 386 } input_kind;
adamc@737 387
adamc@756 388 typedef struct input {
adamc@737 389 input_kind kind;
adamc@737 390 union {
adamc@737 391 char *normal;
adamc@739 392 uw_Basis_file file;
adamc@756 393 struct {
adamc@759 394 struct input *fields, *parent;
adamc@756 395 } subform;
adamc@759 396 struct {
adamc@759 397 struct input *entries, *parent;
adamc@759 398 } subforms;
adamc@759 399 struct {
adamc@759 400 struct input *fields, *next, *parent;
adamc@759 401 } entry;
adamc@737 402 } data;
adamc@737 403 } input;
adamc@737 404
adamc@771 405 typedef struct {
adamc@771 406 void *data;
adam@1327 407 uw_callback commit, rollback;
adam@1327 408 uw_callback_with_retry free;
adamc@771 409 } transactional;
adamc@771 410
adamc@1061 411 typedef struct {
adamc@1061 412 char *name;
adamc@1061 413 void *data;
adamc@1061 414 void (*free)(void*);
adamc@1061 415 } global;
adamc@1061 416
adamc@311 417 struct uw_context {
adamc@1094 418 uw_app *app;
adam@1446 419 int id;
adamc@1094 420
adamc@854 421 char *(*get_header)(void *, const char *);
adamc@854 422 void *get_header_data;
adamc@457 423
adam@1369 424 uw_buffer outHeaders, page, heap, script;
adam@1451 425 int allowed_to_return_indirectly, returning_indirectly;
adamc@759 426 input *inputs, *subinputs, *cur_container;
adamc@1094 427 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167 428
adam@1446 429 unsigned long long source_count;
adamc@562 430
adamc@272 431 void *db;
adamc@272 432
adamc@167 433 jmp_buf jmp_buf;
adamc@167 434
adamc@323 435 regions *regions;
adamc@323 436
adamc@425 437 cleanup *cleanup, *cleanup_front, *cleanup_back;
adamc@425 438
adamc@1094 439 const char *script_header;
adamc@643 440
adamc@736 441 int needs_push, needs_sig;
adamc@693 442
adamc@682 443 size_t n_deltas, used_deltas;
adamc@682 444 delta *deltas;
adamc@671 445
adamc@682 446 client *client;
adamc@682 447
adamc@771 448 transactional *transactionals;
adamc@771 449 size_t n_transactionals, used_transactionals;
adamc@771 450
adamc@1061 451 global *globals;
adamc@1061 452 size_t n_globals;
adamc@1061 453
adamc@1066 454 char *current_url;
adamc@1066 455
adamc@1114 456 int deadline;
adamc@1114 457
adamc@1121 458 void *client_data;
adamc@1121 459
adam@1334 460 void *logger_data;
adam@1334 461 uw_logger log_debug;
adam@1334 462
adam@1386 463 int isPost, hasPostBody;
adam@1347 464 uw_Basis_postBody postBody;
adam@1370 465 uw_Basis_string queryString;
adam@1347 466
adam@1556 467 unsigned nextId;
adam@1556 468
adamc@167 469 char error_message[ERROR_BUF_LEN];
adamc@117 470 };
adamc@117 471
adamc@1113 472 size_t uw_headers_max = SIZE_MAX;
adamc@1113 473 size_t uw_page_max = SIZE_MAX;
adamc@1113 474 size_t uw_heap_max = SIZE_MAX;
adamc@1113 475 size_t uw_script_max = SIZE_MAX;
adamc@1113 476
adam@1446 477 uw_context uw_init(int id, void *logger_data, uw_logger log_debug) {
adamc@311 478 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 479
adamc@1094 480 ctx->app = NULL;
adam@1446 481 ctx->id = id;
adamc@1094 482
adamc@854 483 ctx->get_header = NULL;
adamc@854 484 ctx->get_header_data = NULL;
adamc@457 485
adam@1413 486 uw_buffer_init(uw_headers_max, &ctx->outHeaders, 1);
adam@1413 487 ctx->outHeaders.start[0] = 0;
adam@1413 488 uw_buffer_init(uw_page_max, &ctx->page, 1);
adam@1413 489 ctx->page.start[0] = 0;
adam@1451 490 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 491 uw_buffer_init(uw_heap_max, &ctx->heap, uw_min_heap);
adam@1369 492 uw_buffer_init(uw_script_max, &ctx->script, 1);
adamc@667 493 ctx->script.start[0] = 0;
adamc@136 494
adamc@1094 495 ctx->inputs = malloc(0);
adamc@759 496 ctx->cur_container = NULL;
adamc@756 497 ctx->subinputs = malloc(0);
adamc@1094 498 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 499
adamc@272 500 ctx->db = NULL;
adamc@272 501
adamc@323 502 ctx->regions = NULL;
adamc@323 503
adamc@425 504 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 505
adamc@643 506 ctx->script_header = "";
adamc@693 507 ctx->needs_push = 0;
adamc@736 508 ctx->needs_sig = 0;
adamc@1104 509
adamc@565 510 ctx->source_count = 0;
adamc@562 511
adamc@682 512 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 513 ctx->deltas = malloc(0);
adamc@671 514
adamc@700 515 ctx->client = NULL;
adamc@700 516
adamc@700 517 ctx->error_message[0] = 0;
adamc@700 518
adamc@771 519 ctx->transactionals = malloc(0);
adamc@771 520 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 521
adamc@1061 522 ctx->globals = malloc(0);
adamc@1061 523 ctx->n_globals = 0;
adamc@1061 524
adamc@1066 525 ctx->current_url = "";
adamc@1066 526
adamc@1114 527 ctx->deadline = INT_MAX;
adamc@1114 528
adamc@1121 529 ctx->client_data = uw_init_client_data();
adamc@1121 530
adam@1334 531 ctx->logger_data = logger_data;
adam@1334 532 ctx->log_debug = log_debug;
adam@1334 533
adam@1386 534 ctx->isPost = ctx->hasPostBody = 0;
adam@1347 535
adam@1370 536 ctx->queryString = NULL;
adam@1370 537
adam@1556 538 ctx->nextId = 0;
adam@1556 539
adamc@117 540 return ctx;
adamc@106 541 }
adamc@106 542
adamc@1113 543 size_t uw_inputs_max = SIZE_MAX;
adamc@1113 544
adamc@1121 545 uw_app *uw_get_app(uw_context ctx) {
adamc@1121 546 return ctx->app;
adamc@1121 547 }
adamc@1121 548
adamc@1113 549 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094 550 ctx->app = app;
adamc@1094 551
adamc@1105 552 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113 553 if (app->inputs_len > uw_inputs_max)
adamc@1113 554 return 1;
adamc@1113 555
adamc@1094 556 ctx->sz_inputs = app->inputs_len;
adamc@1094 557 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094 558 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094 559 }
adamc@1134 560
adamc@1134 561 return 0;
adamc@1094 562 }
adamc@1094 563
adamc@1121 564 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121 565 uw_copy_client_data(ctx->client_data, data);
adamc@1121 566 }
adamc@1121 567
adamc@311 568 void uw_set_db(uw_context ctx, void *db) {
adamc@272 569 ctx->db = db;
adamc@272 570 }
adamc@272 571
adamc@311 572 void *uw_get_db(uw_context ctx) {
adamc@272 573 return ctx->db;
adamc@272 574 }
adamc@272 575
adamc@311 576 void uw_free(uw_context ctx) {
adamc@671 577 size_t i;
adamc@671 578
adam@1369 579 uw_buffer_free(&ctx->outHeaders);
adam@1369 580 uw_buffer_free(&ctx->script);
adam@1369 581 uw_buffer_free(&ctx->page);
adam@1369 582 uw_buffer_free(&ctx->heap);
adamc@144 583 free(ctx->inputs);
adamc@756 584 free(ctx->subinputs);
adamc@425 585 free(ctx->cleanup);
adamc@771 586 free(ctx->transactionals);
adamc@1121 587 uw_free_client_data(ctx->client_data);
adamc@671 588
adamc@682 589 for (i = 0; i < ctx->n_deltas; ++i)
adam@1369 590 uw_buffer_free(&ctx->deltas[i].msgs);
marco-oweber@1330 591 free(ctx->deltas);
adamc@671 592
adamc@1061 593 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089 594 if (ctx->globals[i].free)
adamc@1089 595 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330 596 free(ctx->globals);
adamc@1061 597
adamc@136 598 free(ctx);
adamc@136 599 }
adamc@136 600
adamc@562 601 void uw_reset_keep_error_message(uw_context ctx) {
adam@1369 602 uw_buffer_reset(&ctx->outHeaders);
adam@1369 603 uw_buffer_reset(&ctx->script);
adamc@667 604 ctx->script.start[0] = 0;
adam@1369 605 uw_buffer_reset(&ctx->page);
adam@1451 606 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 607 uw_buffer_reset(&ctx->heap);
adamc@323 608 ctx->regions = NULL;
adamc@425 609 ctx->cleanup_front = ctx->cleanup;
adamc@682 610 ctx->used_deltas = 0;
adamc@682 611 ctx->client = NULL;
adamc@759 612 ctx->cur_container = NULL;
adamc@771 613 ctx->used_transactionals = 0;
adamc@1117 614 ctx->script_header = "";
adam@1370 615 ctx->queryString = NULL;
adam@1556 616 ctx->nextId = 0;
adamc@167 617 }
adamc@167 618
adamc@562 619 void uw_reset_keep_request(uw_context ctx) {
adamc@562 620 uw_reset_keep_error_message(ctx);
adamc@562 621 ctx->error_message[0] = 0;
adamc@167 622 }
adamc@167 623
adamc@311 624 void uw_reset(uw_context ctx) {
adamc@311 625 uw_reset_keep_request(ctx);
adamc@1105 626 if (ctx->app)
adamc@1105 627 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756 628 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adam@1461 629 ctx->used_subinputs = ctx->hasPostBody = ctx->isPost = 0;
adamc@144 630 }
adamc@144 631
adamc@311 632 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 633 int r = setjmp(ctx->jmp_buf);
adamc@272 634
adamc@1105 635 if (r == 0 && ctx->app)
adamc@1094 636 ctx->app->db_init(ctx);
adamc@272 637
adamc@272 638 return r;
adamc@272 639 }
adamc@272 640
adamc@1118 641 void uw_close(uw_context ctx) {
adamc@1118 642 ctx->app->db_close(ctx);
adamc@1118 643 }
adamc@1118 644
adam@1446 645 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adam@1446 646 return ctx->get_header(ctx->get_header_data, h);
adam@1446 647 }
adam@1446 648
adamc@854 649 void uw_set_headers(uw_context ctx, char *(*get_header)(void *, const char *), void *get_header_data) {
adamc@854 650 ctx->get_header = get_header;
adamc@854 651 ctx->get_header_data = get_header_data;
adamc@742 652 }
adamc@742 653
adamc@801 654 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801 655 va_list ap;
adamc@801 656 va_start(ap, fmt);
adamc@801 657
adamc@801 658 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801 659 }
adamc@801 660
adamc@1131 661 int uw_has_error(uw_context ctx) {
adamc@1131 662 return ctx->error_message[0] != 0;
adamc@1131 663 }
adamc@1131 664
adamc@311 665 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 666 cleanup *cl;
adamc@425 667
adamc@167 668 va_list ap;
adamc@167 669 va_start(ap, fmt);
adamc@167 670
adamc@167 671 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 672
adamc@425 673 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 674 cl->func(cl->arg);
adamc@425 675
adamc@425 676 ctx->cleanup_front = ctx->cleanup;
adamc@425 677
adamc@190 678 longjmp(ctx->jmp_buf, fk);
adamc@167 679 }
adamc@167 680
adamc@1113 681 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113 682
adamc@425 683 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 684 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 685 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 686 if (len == 0)
adamc@425 687 newLen = 1;
adamc@425 688 else
adamc@428 689 newLen = len * 2;
adamc@1113 690
adamc@1134 691 if (newLen > uw_cleanup_max) {
adamc@1113 692 if (len+1 <= uw_cleanup_max)
adamc@1113 693 newLen = uw_cleanup_max;
adamc@1113 694 else
adamc@1113 695 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134 696 }
adamc@1113 697
adamc@470 698 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 699 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 700 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 701 }
adamc@425 702
adamc@425 703 ctx->cleanup_front->func = func;
adamc@425 704 ctx->cleanup_front->arg = arg;
adamc@425 705 ++ctx->cleanup_front;
adamc@425 706 }
adamc@425 707
adam@1444 708 char *uw_Basis_htmlifyString(uw_context, const char *);
adam@1444 709
adamc@682 710 void uw_login(uw_context ctx) {
adamc@693 711 if (ctx->needs_push) {
adamc@682 712 char *id_s, *pass_s;
adamc@682 713
adamc@682 714 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adamc@682 715 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adamc@682 716 unsigned id = atoi(id_s);
adamc@682 717 int pass = atoi(pass_s);
adamc@682 718 client *c = find_client(id);
adamc@682 719
adamc@682 720 if (c == NULL)
adam@1444 721 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@682 722 else {
adamc@685 723 use_client(c);
adamc@682 724 ctx->client = c;
adamc@682 725
adamc@682 726 if (c->mode != USED)
adamc@682 727 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adamc@682 728 if (c->pass != pass)
adamc@682 729 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@682 730 }
adamc@682 731 } else {
adamc@682 732 client *c = new_client();
adamc@1113 733
adamc@1113 734 if (c == NULL)
adamc@1113 735 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adamc@1113 736
adamc@685 737 use_client(c);
adamc@1121 738 uw_copy_client_data(c->data, ctx->client_data);
adamc@682 739 ctx->client = c;
adamc@864 740 }
adamc@682 741 }
adamc@682 742 }
adamc@682 743
adamc@671 744 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671 745 int r = setjmp(ctx->jmp_buf);
adamc@671 746
adamc@671 747 if (r == 0) {
adamc@1094 748 if (ctx->app->db_begin(ctx))
adamc@671 749 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adamc@682 750
adamc@1094 751 ctx->app->handle(ctx, path);
adamc@671 752 }
adamc@671 753
adamc@671 754 return r;
adamc@671 755 }
adamc@671 756
adamc@772 757 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682 758 if (ctx->client == NULL)
adamc@682 759 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682 760
adamc@682 761 return ctx->client->id;
adamc@682 762 }
adamc@682 763
adamc@425 764 void uw_pop_cleanup(uw_context ctx) {
adamc@425 765 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 766 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 767
adamc@425 768 --ctx->cleanup_front;
adamc@425 769 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 770 }
adamc@425 771
adamc@311 772 char *uw_error_message(uw_context ctx) {
adamc@167 773 return ctx->error_message;
adamc@167 774 }
adamc@167 775
adamc@1115 776 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115 777 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115 778 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115 779 }
adamc@1115 780
adamc@759 781 static input *INP(uw_context ctx) {
adamc@759 782 if (ctx->cur_container == NULL)
adamc@759 783 return ctx->inputs;
adamc@759 784 else if (ctx->cur_container->kind == SUBFORM)
adamc@759 785 return ctx->cur_container->data.subform.fields;
adamc@759 786 else if (ctx->cur_container->kind == ENTRY)
adamc@759 787 return ctx->cur_container->data.entry.fields;
adamc@759 788 else
adamc@760 789 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759 790 }
adamc@759 791
adamc@760 792 static void adjust_pointer(input **ptr, input *old_start, input *new_start, size_t len) {
adamc@760 793 if (*ptr != NULL && *ptr >= old_start && *ptr < old_start + len)
adamc@760 794 *ptr += new_start - old_start;
adamc@760 795 }
adamc@760 796
adamc@760 797 static void adjust_input(input *x, input *old_start, input *new_start, size_t len) {
adamc@759 798 switch (x->kind) {
adamc@759 799 case SUBFORM:
adamc@760 800 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760 801 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759 802 break;
adamc@759 803 case SUBFORMS:
adamc@760 804 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760 805 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759 806 break;
adamc@759 807 case ENTRY:
adamc@760 808 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760 809 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760 810 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134 811 break;
adamc@1134 812 default:
adamc@1134 813 break;
adamc@759 814 }
adamc@759 815 }
adamc@759 816
adamc@1113 817 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113 818
adamc@759 819 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759 820 size_t i;
adamc@759 821 input *r;
adamc@759 822
adamc@759 823 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113 824 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113 825 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113 826
adamc@759 827 input *new_subinputs = realloc(ctx->subinputs, sizeof(input) * (ctx->used_subinputs + len));
adamc@759 828
adamc@760 829 if (ctx->subinputs != new_subinputs) {
adamc@760 830 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760 831 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094 832 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760 833 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 834
adamc@760 835 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 836
adamc@760 837 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760 838 ctx->subinputs = new_subinputs;
adamc@760 839 }
adamc@759 840 }
adamc@759 841
adamc@759 842 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759 843
adamc@759 844 for (i = 0; i < len; ++i)
adam@1474 845 ctx->subinputs[ctx->used_subinputs++].kind = UNSET;
adamc@759 846
adamc@759 847 return r;
adamc@759 848 }
adamc@756 849
adamc@801 850 int uw_set_input(uw_context ctx, const char *name, char *value) {
adamc@1050 851 //printf("Input name %s\n", name);
adamc@1038 852
adamc@756 853 if (!strcasecmp(name, ".b")) {
adamc@1094 854 int n = ctx->app->input_num(value);
adamc@756 855 input *inps;
adamc@756 856
adamc@801 857 if (n < 0) {
adam@1444 858 uw_set_error(ctx, "Bad subform name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 859 return -1;
adamc@801 860 }
adamc@801 861
adamc@1094 862 if (n >= ctx->app->inputs_len) {
adam@1444 863 uw_set_error(ctx, "For subform name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 864 return -1;
adamc@801 865 }
adamc@756 866
adamc@1094 867 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759 868
adamc@759 869 INP(ctx)[n].kind = SUBFORM;
adamc@759 870 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759 871 INP(ctx)[n].data.subform.fields = inps;
adamc@759 872 ctx->cur_container = &INP(ctx)[n];
adamc@756 873 } else if (!strcasecmp(name, ".e")) {
adamc@756 874 input *tmp;
adamc@756 875
adamc@801 876 if (ctx->cur_container == NULL) {
adamc@801 877 uw_set_error(ctx, "Unmatched subform closer");
adamc@801 878 return -1;
adamc@801 879 }
adamc@756 880
adamc@759 881 tmp = ctx->cur_container;
adamc@759 882 switch (tmp->kind) {
adamc@759 883 case SUBFORM:
adamc@759 884 ctx->cur_container = tmp->data.subform.parent;
adamc@759 885 tmp->data.subform.parent = NULL;
adamc@759 886 break;
adamc@759 887 case SUBFORMS:
adamc@759 888 ctx->cur_container = tmp->data.subforms.parent;
adamc@759 889 tmp->data.subforms.parent = NULL;
adamc@759 890 break;
adamc@759 891 case ENTRY:
adamc@759 892 ctx->cur_container = tmp->data.entry.parent;
adamc@759 893 break;
adamc@759 894 default:
adamc@801 895 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801 896 return -1;
adamc@759 897 }
adamc@759 898 } else if (!strcasecmp(name, ".s")) {
adamc@1094 899 int n = ctx->app->input_num(value);
adamc@759 900
adamc@801 901 if (n < 0) {
adam@1444 902 uw_set_error(ctx, "Bad subforms name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 903 return -1;
adamc@801 904 }
adamc@801 905
adamc@1094 906 if (n >= ctx->app->inputs_len) {
adam@1444 907 uw_set_error(ctx, "For subforms name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 908 return -1;
adamc@801 909 }
adamc@759 910
adamc@759 911 INP(ctx)[n].kind = SUBFORMS;
adamc@759 912 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 913 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759 914 ctx->cur_container = &INP(ctx)[n];
adamc@759 915 } else if (!strcasecmp(name, ".i")) {
adamc@759 916 input *inps;
adamc@759 917
adamc@801 918 if (!ctx->cur_container) {
adamc@801 919 uw_set_error(ctx, "New entry without container");
adamc@801 920 return -1;
adamc@801 921 }
adamc@801 922
adamc@801 923 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801 924 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801 925 return -1;
adamc@801 926 }
adamc@759 927
adamc@1094 928 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759 929
adamc@759 930 inps->kind = ENTRY;
adamc@759 931 inps->data.entry.parent = ctx->cur_container;
adamc@759 932 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759 933 ctx->cur_container->data.subforms.entries = inps;
adamc@759 934
adamc@759 935 inps->data.entry.fields = inps+1;
adamc@759 936 ctx->cur_container = inps;
adamc@756 937 } else {
adamc@1094 938 int n = ctx->app->input_num(name);
adamc@756 939
adam@1384 940 if (n < 0)
adam@1384 941 return 0;
adamc@801 942
adamc@1094 943 if (n >= ctx->app->inputs_len) {
adam@1444 944 uw_set_error(ctx, "For input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801 945 return -1;
adamc@801 946 }
adamc@756 947
adamc@756 948 INP(ctx)[n].kind = NORMAL;
adamc@756 949 INP(ctx)[n].data.normal = value;
adamc@756 950 }
adamc@801 951
adamc@801 952 return 0;
adamc@144 953 }
adamc@144 954
adamc@311 955 char *uw_get_input(uw_context ctx, int n) {
adamc@169 956 if (n < 0)
adamc@311 957 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 958 if (n >= ctx->app->inputs_len)
adamc@311 959 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 960
adamc@756 961 switch (INP(ctx)[n].kind) {
adamc@737 962 case UNSET:
adamc@737 963 return NULL;
adamc@739 964 case FIL:
adamc@739 965 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 966 case SUBFORM:
adamc@756 967 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 968 case SUBFORMS:
adamc@759 969 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 970 case ENTRY:
adamc@759 971 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 972 case NORMAL:
adamc@756 973 return INP(ctx)[n].data.normal;
adamc@737 974 default:
adamc@737 975 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 976 }
adamc@138 977 }
adamc@138 978
adamc@311 979 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 980 if (n < 0)
adamc@311 981 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 982 if (n >= ctx->app->inputs_len)
adamc@311 983 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 984
adamc@756 985 switch (INP(ctx)[n].kind) {
adamc@737 986 case UNSET:
adamc@737 987 return "";
adamc@739 988 case FIL:
adamc@739 989 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 990 case SUBFORM:
adamc@756 991 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 992 case SUBFORMS:
adamc@759 993 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 994 case ENTRY:
adamc@759 995 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 996 case NORMAL:
adamc@756 997 return INP(ctx)[n].data.normal;
adamc@737 998 default:
adamc@737 999 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1000 }
adamc@737 1001 }
adamc@737 1002
adamc@801 1003 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094 1004 int n = ctx->app->input_num(name);
adamc@737 1005
adamc@801 1006 if (n < 0) {
adam@1444 1007 uw_set_error(ctx, "Bad file input name %s", uw_Basis_htmlifyString(ctx, name));
adamc@801 1008 return -1;
adamc@801 1009 }
adamc@801 1010
adamc@1094 1011 if (n >= ctx->app->inputs_len) {
adam@1444 1012 uw_set_error(ctx, "For file input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801 1013 return -1;
adamc@801 1014 }
adamc@737 1015
adamc@739 1016 ctx->inputs[n].kind = FIL;
adamc@739 1017 ctx->inputs[n].data.file = f;
adamc@801 1018
adamc@801 1019 return 0;
adamc@737 1020 }
adamc@737 1021
adamc@739 1022 void *uw_malloc(uw_context ctx, size_t len);
adamc@739 1023
adamc@739 1024 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737 1025 if (n < 0)
adamc@737 1026 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094 1027 if (n >= ctx->app->inputs_len)
adamc@737 1028 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737 1029
adamc@756 1030 switch (INP(ctx)[n].kind) {
adamc@737 1031 case UNSET:
adamc@737 1032 {
adamc@739 1033 char *data = uw_malloc(ctx, 0);
adamc@740 1034 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739 1035 return f;
adamc@737 1036 }
adamc@739 1037 case FIL:
adamc@756 1038 return INP(ctx)[n].data.file;
adamc@737 1039 case NORMAL:
adamc@737 1040 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756 1041 case SUBFORM:
adamc@756 1042 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759 1043 case SUBFORMS:
adamc@759 1044 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759 1045 case ENTRY:
adamc@759 1046 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737 1047 default:
adamc@737 1048 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1049 }
adamc@190 1050 }
adamc@190 1051
adamc@756 1052 void uw_enter_subform(uw_context ctx, int n) {
adamc@756 1053 if (n < 0)
adamc@756 1054 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094 1055 if (n >= ctx->app->inputs_len)
adamc@756 1056 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756 1057
adamc@756 1058 switch (INP(ctx)[n].kind) {
adamc@756 1059 case UNSET:
adamc@756 1060 uw_error(ctx, FATAL, "Missing subform");
adamc@756 1061 case FIL:
adamc@756 1062 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756 1063 case NORMAL:
adamc@756 1064 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759 1065 case SUBFORMS:
adamc@759 1066 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759 1067 case ENTRY:
adamc@759 1068 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756 1069 case SUBFORM:
adamc@759 1070 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760 1071 ctx->cur_container = &INP(ctx)[n];
adamc@756 1072 return;
adamc@756 1073 default:
adamc@756 1074 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756 1075 }
adamc@756 1076 }
adamc@756 1077
adamc@756 1078 void uw_leave_subform(uw_context ctx) {
adamc@756 1079 input *tmp;
adamc@756 1080
adamc@759 1081 if (ctx->cur_container == NULL)
adamc@756 1082 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756 1083
adamc@759 1084 tmp = ctx->cur_container;
adamc@759 1085 ctx->cur_container = tmp->data.subform.parent;
adamc@759 1086 tmp->data.subform.parent = NULL;
adamc@759 1087 }
adamc@759 1088
adamc@759 1089 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759 1090 input *inps;
adamc@759 1091
adamc@759 1092 if (n < 0)
adamc@759 1093 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094 1094 if (n >= ctx->app->inputs_len)
adamc@759 1095 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759 1096
adamc@759 1097 switch (INP(ctx)[n].kind) {
adamc@759 1098 case UNSET:
adamc@759 1099 uw_error(ctx, FATAL, "Missing subforms");
adamc@759 1100 case FIL:
adamc@759 1101 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759 1102 case NORMAL:
adamc@759 1103 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759 1104 case SUBFORM:
adamc@759 1105 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759 1106 case ENTRY:
adamc@759 1107 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759 1108 case SUBFORMS:
adamc@759 1109 inps = INP(ctx)[n].data.subforms.entries;
adamc@759 1110 if (inps) {
adamc@759 1111 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 1112 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759 1113 return 1;
adamc@759 1114 } else
adamc@759 1115 return 0;
adamc@759 1116 default:
adamc@759 1117 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1118 }
adamc@759 1119 }
adamc@759 1120
adamc@759 1121 int uw_next_entry(uw_context ctx) {
adamc@759 1122 if (ctx->cur_container == NULL)
adamc@759 1123 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759 1124
adamc@759 1125 switch (ctx->cur_container->kind) {
adamc@759 1126 case UNSET:
adamc@759 1127 uw_error(ctx, FATAL, "Missing entry");
adamc@759 1128 case FIL:
adamc@759 1129 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759 1130 case NORMAL:
adamc@759 1131 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759 1132 case SUBFORM:
adamc@759 1133 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759 1134 case SUBFORMS:
adamc@759 1135 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759 1136 case ENTRY:
adamc@759 1137 if (ctx->cur_container->data.entry.next) {
adamc@759 1138 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759 1139 return 1;
adamc@759 1140 } else {
adamc@759 1141 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759 1142 return 0;
adamc@759 1143 }
adamc@759 1144 default:
adamc@759 1145 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1146 }
adamc@756 1147 }
adamc@756 1148
adamc@643 1149 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 1150 ctx->script_header = s;
adamc@643 1151 }
adamc@643 1152
adamc@1094 1153 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094 1154 return ctx->app->url_prefix;
adamc@667 1155 }
adamc@667 1156
adamc@693 1157 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693 1158 ctx->needs_push = n;
adamc@693 1159 }
adamc@693 1160
adamc@736 1161 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736 1162 ctx->needs_sig = n;
adamc@736 1163 }
adamc@736 1164
adamc@667 1165
adam@1369 1166 static void uw_buffer_check_ctx(uw_context ctx, const char *kind, uw_buffer *b, size_t extra, const char *desc) {
adamc@666 1167 if (b->back - b->front < extra) {
adamc@666 1168 size_t desired = b->front - b->start + extra, next;
adamc@136 1169 char *new_heap;
adamc@136 1170
adamc@666 1171 next = b->back - b->start;
adamc@317 1172 if (next == 0)
adamc@317 1173 next = 1;
adamc@317 1174 for (; next < desired; next *= 2);
adamc@136 1175
adamc@1134 1176 if (next > b->max) {
adamc@1113 1177 if (desired <= b->max)
adamc@1113 1178 next = desired;
adamc@1113 1179 else
adamc@1113 1180 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134 1181 }
adamc@1113 1182
adamc@666 1183 new_heap = realloc(b->start, next);
adamc@666 1184 b->front = new_heap + (b->front - b->start);
adamc@666 1185 b->back = new_heap + next;
adamc@136 1186
adamc@667 1187 if (new_heap != b->start) {
adamc@666 1188 b->start = new_heap;
adam@1389 1189 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously; increasing size to %llu", desc, (unsigned long long)next);
adamc@136 1190 }
adamc@136 1191
adamc@666 1192 b->start = new_heap;
adamc@136 1193 }
adamc@136 1194 }
adamc@136 1195
adamc@832 1196 void uw_check_heap(uw_context ctx, size_t extra) {
adam@1369 1197 uw_buffer_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666 1198 }
adamc@666 1199
adamc@832 1200 char *uw_heap_front(uw_context ctx) {
adamc@832 1201 return ctx->heap.front;
adamc@832 1202 }
adamc@832 1203
adamc@832 1204 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832 1205 ctx->heap.front = fr;
adamc@832 1206 }
adamc@832 1207
adamc@311 1208 void *uw_malloc(uw_context ctx, size_t len) {
adamc@136 1209 void *result;
adamc@136 1210
adamc@311 1211 uw_check_heap(ctx, len);
adamc@136 1212
adamc@666 1213 result = ctx->heap.front;
adamc@666 1214 ctx->heap.front += len;
adamc@136 1215 return result;
adamc@117 1216 }
adamc@117 1217
adamc@323 1218 void uw_begin_region(uw_context ctx) {
adamc@666 1219 regions *r = (regions *) ctx->heap.front;
adamc@323 1220
adamc@323 1221 uw_check_heap(ctx, sizeof(regions));
adamc@323 1222
adamc@666 1223 ctx->heap.front += sizeof(regions);
adamc@323 1224
adamc@323 1225 r->next = ctx->regions;
adamc@323 1226 ctx->regions = r;
adamc@323 1227 }
adamc@323 1228
adamc@323 1229 void uw_end_region(uw_context ctx) {
adamc@323 1230 regions *r = ctx->regions;
adamc@323 1231
adamc@323 1232 if (r == NULL)
adamc@323 1233 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 1234
adamc@666 1235 ctx->heap.front = (char *) r;
adamc@323 1236 ctx->regions = r->next;
adamc@323 1237 }
adamc@323 1238
adamc@324 1239 void uw_memstats(uw_context ctx) {
adam@1369 1240 printf("Headers: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->outHeaders), (unsigned long)uw_buffer_avail(&ctx->outHeaders));
adam@1369 1241 printf("Script: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->script), (unsigned long)uw_buffer_avail(&ctx->script));
adam@1369 1242 printf("Page: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->page), (unsigned long)uw_buffer_avail(&ctx->page));
adam@1369 1243 printf("Heap: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->heap), (unsigned long)uw_buffer_avail(&ctx->heap));
adamc@324 1244 }
adamc@324 1245
adamc@311 1246 int uw_send(uw_context ctx, int sock) {
adamc@666 1247 int n = uw_really_send(sock, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@462 1248
adamc@462 1249 if (n < 0)
adamc@462 1250 return n;
adamc@462 1251
adamc@462 1252 n = uw_really_send(sock, "\r\n", 2);
adamc@462 1253
adamc@462 1254 if (n < 0)
adamc@462 1255 return n;
adamc@462 1256
adamc@666 1257 return uw_really_send(sock, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@462 1258 }
adamc@462 1259
adamc@856 1260 int uw_print(uw_context ctx, int fd) {
adamc@856 1261 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856 1262
adamc@856 1263 if (n < 0)
adamc@856 1264 return n;
adamc@856 1265
adamc@856 1266 n = uw_really_write(fd, "\r\n", 2);
adamc@856 1267
adamc@856 1268 if (n < 0)
adamc@856 1269 return n;
adamc@856 1270
adamc@856 1271 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856 1272 }
adamc@856 1273
adamc@860 1274 int uw_output(uw_context ctx, int (*output)(void *data, char *buf, size_t len), void *data) {
adamc@860 1275 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860 1276
adamc@860 1277 if (n < 0)
adamc@860 1278 return n;
adamc@860 1279
adamc@860 1280 n = output(data, "\r\n", 2);
adamc@860 1281
adamc@860 1282 if (n < 0)
adamc@860 1283 return n;
adamc@860 1284
adamc@860 1285 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860 1286 }
adamc@860 1287
adamc@462 1288 static void uw_check_headers(uw_context ctx, size_t extra) {
adam@1369 1289 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462 1290 }
adamc@462 1291
adamc@462 1292 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 1293 int len = strlen(s);
adamc@462 1294
adamc@462 1295 uw_check_headers(ctx, len + 1);
adamc@666 1296 strcpy(ctx->outHeaders.front, s);
adamc@666 1297 ctx->outHeaders.front += len;
adamc@562 1298 }
adamc@562 1299
adamc@1110 1300 void uw_clear_headers(uw_context ctx) {
adam@1369 1301 uw_buffer_reset(&ctx->outHeaders);
adamc@1110 1302 }
adamc@1110 1303
adamc@562 1304 static void uw_check_script(uw_context ctx, size_t extra) {
adam@1369 1305 ctx_uw_buffer_check(ctx, "script", &ctx->script, extra);
adamc@562 1306 }
adamc@562 1307
adamc@562 1308 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 1309 int len = strlen(s);
adamc@562 1310
adamc@562 1311 uw_check_script(ctx, len + 1);
adamc@666 1312 strcpy(ctx->script.front, s);
adamc@666 1313 ctx->script.front += len;
adamc@562 1314 }
adamc@562 1315
adamc@645 1316 const char *uw_Basis_get_script(uw_context ctx, uw_unit u) {
adamc@916 1317 return "<sc>";
adamc@565 1318 }
adamc@565 1319
adam@1446 1320 const char *uw_get_real_script(uw_context ctx) {
adam@1446 1321 return ctx->script.start;
adam@1446 1322 }
adam@1446 1323
adamc@695 1324 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695 1325 if (s[0] == 0)
adamc@695 1326 return "";
adamc@695 1327 else {
adamc@695 1328 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695 1329 sprintf(r, " onload='%s'", s);
adamc@695 1330 return r;
adamc@695 1331 }
adamc@695 1332 }
adamc@695 1333
adamc@1042 1334 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042 1335 if (ctx->script_header[0] == 0)
adamc@1042 1336 return "";
adamc@1042 1337 else {
adamc@1042 1338 char *r = uw_malloc(ctx, 22 + strlen(s));
adamc@1042 1339 sprintf(r, " onunload='unload();%s'", s);
adamc@1042 1340 return r;
adamc@1042 1341 }
adamc@1042 1342 }
adamc@1042 1343
adamc@694 1344 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736 1345 if (ctx->client == NULL) {
adamc@736 1346 if (ctx->needs_sig) {
adamc@1094 1347 char *sig = ctx->app->cookie_sig(ctx);
adamc@736 1348 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736 1349 sprintf(r, "sig=\"%s\";", sig);
adamc@736 1350 return r;
adamc@736 1351 }
adamc@736 1352 else
adamc@736 1353 return "";
adamc@736 1354 } else {
adamc@1094 1355 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094 1356 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736 1357 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adam@1552 1358 sprintf(r, "isPost=%s;client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adam@1552 1359 (ctx->isPost ? "true" : "false"),
adamc@682 1360 ctx->client->id,
adamc@682 1361 ctx->client->pass,
adamc@1094 1362 ctx->app->url_prefix,
adamc@1094 1363 ctx->app->timeout,
adamc@736 1364 ctx->needs_sig ? "sig=\"" : "",
adamc@736 1365 sig,
adamc@736 1366 ctx->needs_sig ? "\";" : "");
adamc@679 1367 return r;
adamc@668 1368 }
adamc@667 1369 }
adamc@667 1370
adamc@574 1371 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 1372 char *r, *s2;
adamc@574 1373
adam@1446 1374 uw_check_heap(ctx, strlen(s) * 4 + 3);
adamc@574 1375
adamc@666 1376 r = s2 = ctx->heap.front;
adamc@574 1377 *s2++ = '"';
adamc@574 1378
adamc@574 1379 for (; *s; s++) {
adam@1286 1380 unsigned char c = *s;
adamc@574 1381
adamc@574 1382 switch (c) {
adamc@574 1383 case '"':
adamc@574 1384 strcpy(s2, "\\\"");
adamc@574 1385 s2 += 2;
adamc@574 1386 break;
adamc@1027 1387 case '\'':
adamc@1027 1388 strcpy(s2, "\\047");
adamc@1027 1389 s2 += 4;
adamc@1027 1390 break;
adamc@574 1391 case '\\':
adamc@574 1392 strcpy(s2, "\\\\");
adamc@574 1393 s2 += 2;
adamc@574 1394 break;
adam@1457 1395 case '<':
adam@1457 1396 strcpy(s2, "\\074");
adam@1457 1397 s2 += 4;
adam@1457 1398 break;
adamc@574 1399 default:
adam@1286 1400 if (isprint((int)c) || c >= 128)
adamc@574 1401 *s2++ = c;
adamc@574 1402 else {
adam@1429 1403 sprintf(s2, "\\%03o", c);
adamc@574 1404 s2 += 4;
adamc@574 1405 }
adamc@574 1406 }
adamc@574 1407 }
adamc@574 1408
adamc@574 1409 strcpy(s2, "\"");
adamc@910 1410 ctx->heap.front = s2 + 2;
adamc@574 1411 return r;
adamc@574 1412 }
adamc@574 1413
adam@1286 1414 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286 1415 unsigned char c = c1;
adamc@1025 1416 char *r, *s2;
adamc@1025 1417
adam@1446 1418 uw_check_heap(ctx, 7);
adamc@1025 1419
adamc@1025 1420 r = s2 = ctx->heap.front;
adamc@1025 1421 *s2++ = '"';
adamc@1025 1422
adamc@1025 1423 switch (c) {
adamc@1025 1424 case '"':
adamc@1025 1425 strcpy(s2, "\\\"");
adamc@1025 1426 s2 += 2;
adamc@1025 1427 break;
adamc@1027 1428 case '\'':
adamc@1027 1429 strcpy(s2, "\\047");
adamc@1027 1430 s2 += 4;
adamc@1027 1431 break;
adamc@1025 1432 case '\\':
adamc@1025 1433 strcpy(s2, "\\\\");
adamc@1025 1434 s2 += 2;
adamc@1025 1435 break;
adam@1457 1436 case '<':
adam@1457 1437 strcpy(s2, "\\074");
adam@1457 1438 s2 += 4;
adam@1457 1439 break;
adamc@1025 1440 default:
adam@1286 1441 if (isprint((int)c) || c >= 128)
adamc@1025 1442 *s2++ = c;
adamc@1025 1443 else {
adam@1429 1444 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1025 1445 s2 += 4;
adamc@1025 1446 }
adamc@1025 1447 }
adamc@1025 1448
adamc@1025 1449 strcpy(s2, "\"");
adamc@1025 1450 ctx->heap.front = s2 + 2;
adamc@1025 1451 return r;
adamc@1025 1452 }
adamc@1025 1453
adamc@574 1454 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 1455 char *r, *s2;
adamc@574 1456
adam@1446 1457 uw_check_script(ctx, strlen(s) * 4 + 3);
adamc@574 1458
adamc@666 1459 r = s2 = ctx->script.front;
adamc@574 1460 *s2++ = '"';
adamc@574 1461
adamc@574 1462 for (; *s; s++) {
adam@1286 1463 unsigned char c = *s;
adamc@574 1464
adamc@574 1465 switch (c) {
adamc@577 1466 case '\'':
adamc@1027 1467 strcpy(s2, "\\");
adamc@574 1468 s2 += 2;
adamc@574 1469 break;
adamc@574 1470 case '\\':
adamc@574 1471 strcpy(s2, "\\\\");
adamc@574 1472 s2 += 2;
adamc@574 1473 break;
adam@1457 1474 case '<':
adam@1457 1475 strcpy(s2, "\\074");
adam@1457 1476 s2 += 4;
adam@1457 1477 break;
adamc@574 1478 default:
adam@1286 1479 if (isprint((int)c) || c >= 128)
adamc@574 1480 *s2++ = c;
adamc@574 1481 else {
adam@1429 1482 sprintf(s2, "\\%03o", c);
adamc@574 1483 s2 += 4;
adamc@574 1484 }
adamc@574 1485 }
adamc@574 1486 }
adamc@574 1487
adamc@574 1488 strcpy(s2, "\"");
adamc@666 1489 ctx->script.front = s2 + 1;
adamc@574 1490 return r;
adamc@574 1491 }
adamc@574 1492
adamc@682 1493 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1494 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1495 return "null";
adamc@682 1496 else {
adamc@682 1497 int len;
adamc@682 1498 char *r;
adamc@682 1499
adamc@682 1500 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1501 r = ctx->heap.front;
adamc@682 1502 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1503 ctx->heap.front += len+1;
adamc@682 1504 return r;
adamc@682 1505 }
adamc@682 1506 }
adamc@682 1507
adam@1446 1508 uw_Basis_source uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 1509 int len;
adamc@577 1510 size_t s_len = strlen(s);
adamc@562 1511
adam@1446 1512 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1513 sprintf(ctx->script.front, "s%d_%llu=sc(exec(%n", ctx->id, ctx->source_count, &len);
adamc@666 1514 ctx->script.front += len;
adamc@666 1515 strcpy(ctx->script.front, s);
adamc@666 1516 ctx->script.front += s_len;
adamc@970 1517 strcpy(ctx->script.front, "));");
adamc@972 1518 ctx->script.front += 3;
adamc@562 1519
adam@1446 1520 uw_Basis_source r = {ctx->id, ctx->source_count++};
adam@1446 1521 return r;
adam@1446 1522 }
adam@1446 1523
adam@1446 1524 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_source src, uw_Basis_string s) {
adamc@577 1525 int len;
adamc@577 1526 size_t s_len = strlen(s);
adamc@577 1527
adam@1446 1528 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1529 sprintf(ctx->script.front, "sv(s%d_%llu,exec(%n", src.context, src.source, &len);
adamc@666 1530 ctx->script.front += len;
adamc@666 1531 strcpy(ctx->script.front, s);
adamc@666 1532 ctx->script.front += s_len;
adamc@970 1533 strcpy(ctx->script.front, "));");
adamc@972 1534 ctx->script.front += 3;
adamc@577 1535
adamc@577 1536 return uw_unit_v;
adamc@577 1537 }
adamc@577 1538
adamc@311 1539 static void uw_check(uw_context ctx, size_t extra) {
adam@1369 1540 ctx_uw_buffer_check(ctx, "page", &ctx->page, extra);
adamc@117 1541 }
adamc@117 1542
adamc@311 1543 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 1544 *(ctx->page.front)++ = c;
adam@1413 1545 *ctx->page.front = 0;
adamc@117 1546 }
adamc@117 1547
adamc@311 1548 void uw_writec(uw_context ctx, char c) {
adam@1413 1549 uw_check(ctx, 2);
adamc@311 1550 uw_writec_unsafe(ctx, c);
adamc@117 1551 }
adamc@117 1552
adamc@311 1553 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 1554 int len = strlen(s);
adamc@666 1555 memcpy(ctx->page.front, s, len);
adamc@666 1556 ctx->page.front += len;
adamc@117 1557 }
adamc@117 1558
adamc@311 1559 void uw_write(uw_context ctx, const char* s) {
adamc@311 1560 uw_check(ctx, strlen(s) + 1);
adamc@311 1561 uw_write_unsafe(ctx, s);
adamc@666 1562 *ctx->page.front = 0;
adamc@102 1563 }
adamc@106 1564
adamc@311 1565 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 1566 char *result;
adamc@136 1567 int len;
adamc@311 1568 uw_check_heap(ctx, INTS_MAX);
adamc@666 1569 result = ctx->heap.front;
adamc@276 1570 sprintf(result, "%lld%n", n, &len);
adamc@666 1571 ctx->heap.front += len+1;
adamc@136 1572 return result;
adamc@106 1573 }
adamc@106 1574
adamc@311 1575 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 1576 char *result;
adamc@136 1577 int len;
adamc@311 1578 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1579 result = ctx->heap.front;
adamc@136 1580 sprintf(result, "%g%n", n, &len);
adamc@666 1581 ctx->heap.front += len+1;
adamc@136 1582 return result;
adamc@106 1583 }
adamc@106 1584
adamc@311 1585 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 1586 int len = strlen(s);
adamc@136 1587 char *result, *p;
adamc@311 1588 uw_check_heap(ctx, len * 6 + 1);
adamc@136 1589
adamc@666 1590 result = p = ctx->heap.front;
adamc@136 1591
adamc@136 1592 for (; *s; s++) {
adamc@1054 1593 unsigned char c = *s;
adamc@136 1594
adamc@136 1595 if (c == '"') {
adamc@136 1596 strcpy(p, "&quot;");
adamc@136 1597 p += 6;
adamc@136 1598 } else if (c == '&') {
adamc@136 1599 strcpy(p, "&amp;");
adamc@136 1600 p += 5;
adamc@136 1601 }
adamc@1059 1602 else
adamc@136 1603 *p++ = c;
adamc@136 1604 }
adamc@136 1605
adamc@137 1606 *p++ = 0;
adamc@666 1607 ctx->heap.front = p;
adamc@136 1608 return result;
adamc@106 1609 }
adamc@106 1610
adamc@1011 1611 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 1612 char *result, *p;
adamc@1011 1613 uw_check_heap(ctx, 7);
adamc@1011 1614
adamc@1011 1615 result = p = ctx->heap.front;
adamc@1011 1616
adamc@1011 1617 if (c == '"') {
adamc@1011 1618 strcpy(p, "&quot;");
adamc@1011 1619 p += 6;
adamc@1011 1620 } else if (c == '&') {
adamc@1011 1621 strcpy(p, "&amp;");
adamc@1011 1622 p += 5;
adamc@1011 1623 }
adamc@1059 1624 else
adamc@1011 1625 *p++ = c;
adamc@1011 1626
adamc@1011 1627 *p++ = 0;
adamc@1011 1628 ctx->heap.front = p;
adamc@1011 1629 return result;
adamc@1011 1630 }
adamc@1011 1631
adamc@721 1632 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721 1633 return s;
adamc@721 1634 }
adamc@721 1635
adamc@311 1636 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 1637 int len;
adamc@117 1638
adamc@666 1639 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1640 ctx->page.front += len;
adamc@106 1641 }
adamc@106 1642
adamc@428 1643 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1644 uw_check(ctx, INTS_MAX);
adamc@311 1645 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 1646
adamc@428 1647 return uw_unit_v;
adamc@106 1648 }
adamc@106 1649
adamc@428 1650 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 1651 int len;
adamc@117 1652
adamc@311 1653 uw_check(ctx, FLOATS_MAX);
adamc@666 1654 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1655 ctx->page.front += len;
adamc@428 1656
adamc@428 1657 return uw_unit_v;
adamc@117 1658 }
adamc@117 1659
adamc@428 1660 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1661 uw_check(ctx, strlen(s) * 6);
adamc@117 1662
adamc@106 1663 for (; *s; s++) {
adamc@1054 1664 unsigned char c = *s;
adamc@106 1665
adamc@106 1666 if (c == '"')
adamc@311 1667 uw_write_unsafe(ctx, "&quot;");
adamc@136 1668 else if (c == '&')
adamc@311 1669 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1670 else
adamc@311 1671 uw_writec_unsafe(ctx, c);
adamc@106 1672 }
adamc@428 1673
adamc@428 1674 return uw_unit_v;
adamc@106 1675 }
adamc@120 1676
adamc@1011 1677 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011 1678 uw_check(ctx, 6);
adamc@1011 1679
adamc@1011 1680 if (c == '"')
adamc@1011 1681 uw_write_unsafe(ctx, "&quot;");
adamc@1011 1682 else if (c == '&')
adamc@1011 1683 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1684 else
adamc@1011 1685 uw_writec_unsafe(ctx, c);
adamc@1011 1686
adamc@1011 1687 return uw_unit_v;
adamc@1011 1688 }
adamc@1011 1689
adamc@120 1690
adamc@311 1691 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 1692 int len;
adamc@137 1693 char *r;
adamc@137 1694
adamc@311 1695 uw_check_heap(ctx, INTS_MAX);
adamc@666 1696 r = ctx->heap.front;
adamc@276 1697 sprintf(r, "%lld%n", n, &len);
adamc@666 1698 ctx->heap.front += len+1;
adamc@137 1699 return r;
adamc@120 1700 }
adamc@120 1701
adamc@682 1702 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1703 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1704 return "";
adamc@682 1705 else {
adamc@682 1706 int len;
adamc@682 1707 char *r;
adamc@679 1708
adamc@682 1709 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1710 r = ctx->heap.front;
adamc@682 1711 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1712 ctx->heap.front += len+1;
adamc@682 1713 return r;
adamc@682 1714 }
adamc@679 1715 }
adamc@679 1716
adamc@311 1717 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 1718 int len;
adamc@137 1719 char *r;
adamc@137 1720
adamc@311 1721 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1722 r = ctx->heap.front;
adamc@137 1723 sprintf(r, "%g%n", n, &len);
adamc@666 1724 ctx->heap.front += len+1;
adamc@137 1725 return r;
adamc@120 1726 }
adamc@120 1727
adamc@311 1728 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1729 char *r, *p;
adamc@137 1730
adamc@925 1731 if (s[0] == '\0')
adamc@925 1732 return "_";
adamc@925 1733
adamc@925 1734 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925 1735
adamc@925 1736 r = p = ctx->heap.front;
adamc@925 1737 if (s[0] == '_')
adamc@925 1738 *p++ = '_';
adamc@925 1739
adamc@925 1740 for (; *s; s++) {
adamc@1087 1741 unsigned char c = *s;
adamc@137 1742
adamc@137 1743 if (c == ' ')
adamc@137 1744 *p++ = '+';
adamc@137 1745 else if (isalnum(c))
adamc@137 1746 *p++ = c;
adamc@137 1747 else {
adamc@1259 1748 sprintf(p, ".%02X", c);
adamc@137 1749 p += 3;
adamc@137 1750 }
adamc@137 1751 }
adamc@137 1752
adamc@137 1753 *p++ = 0;
adamc@666 1754 ctx->heap.front = p;
adamc@137 1755 return r;
adamc@120 1756 }
adamc@120 1757
adamc@311 1758 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1759 if (b == uw_Basis_False)
adamc@186 1760 return "0";
adamc@186 1761 else
adamc@186 1762 return "1";
adamc@186 1763 }
adamc@186 1764
adamc@311 1765 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1766 int len;
adamc@120 1767
adamc@666 1768 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1769 ctx->page.front += len;
adamc@120 1770 }
adamc@120 1771
adamc@428 1772 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1773 uw_check(ctx, INTS_MAX);
adamc@311 1774 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1775
adamc@428 1776 return uw_unit_v;
adamc@120 1777 }
adamc@120 1778
adamc@682 1779 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1780 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1781 int len;
adamc@682 1782
adamc@682 1783 uw_check(ctx, INTS_MAX + 1);
adamc@682 1784 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1785 ctx->page.front += len;
adamc@682 1786 }
adamc@682 1787
adamc@679 1788 return uw_unit_v;
adamc@679 1789 }
adamc@679 1790
adamc@428 1791 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1792 int len;
adamc@120 1793
adamc@311 1794 uw_check(ctx, FLOATS_MAX);
adamc@666 1795 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1796 ctx->page.front += len;
adamc@428 1797
adamc@428 1798 return uw_unit_v;
adamc@120 1799 }
adamc@120 1800
adamc@488 1801 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@1376 1802 return uw_Basis_urlifyInt(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adamc@488 1803 }
adamc@488 1804
adam@1404 1805 uw_unit uw_Basis_urlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1404 1806 return uw_Basis_urlifyInt_w(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adam@1404 1807 }
adam@1404 1808
adamc@428 1809 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925 1810 if (s[0] == '\0') {
adamc@925 1811 uw_check(ctx, 1);
adamc@925 1812 uw_writec_unsafe(ctx, '_');
adamc@925 1813 return uw_unit_v;
adamc@925 1814 }
adamc@925 1815
adamc@925 1816 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925 1817
adamc@925 1818 if (s[0] == '_')
adamc@925 1819 uw_writec_unsafe(ctx, '_');
adamc@120 1820
adamc@120 1821 for (; *s; s++) {
adamc@1087 1822 unsigned char c = *s;
adamc@120 1823
adamc@120 1824 if (c == ' ')
adamc@311 1825 uw_writec_unsafe(ctx, '+');
adamc@120 1826 else if (isalnum(c))
adamc@311 1827 uw_writec_unsafe(ctx, c);
adamc@120 1828 else {
adamc@1259 1829 sprintf(ctx->page.front, ".%02X", c);
adamc@666 1830 ctx->page.front += 3;
adamc@120 1831 }
adamc@120 1832 }
adamc@428 1833
adamc@428 1834 return uw_unit_v;
adamc@120 1835 }
adamc@120 1836
adamc@428 1837 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1838 if (b == uw_Basis_False)
adamc@311 1839 uw_writec(ctx, '0');
adamc@186 1840 else
adamc@311 1841 uw_writec(ctx, '1');
adamc@428 1842
adamc@428 1843 return uw_unit_v;
adamc@186 1844 }
adamc@186 1845
adamc@120 1846
adamc@311 1847 static char *uw_unurlify_advance(char *s) {
adamc@144 1848 char *new_s = strchr(s, '/');
adamc@120 1849
adamc@120 1850 if (new_s)
adamc@120 1851 *new_s++ = 0;
adamc@120 1852 else
adamc@144 1853 new_s = strchr(s, 0);
adamc@144 1854
adamc@144 1855 return new_s;
adamc@144 1856 }
adamc@144 1857
adamc@311 1858 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 1859 char *new_s = uw_unurlify_advance(*s);
adamc@311 1860 uw_Basis_int r;
adamc@120 1861
adamc@276 1862 r = atoll(*s);
adamc@120 1863 *s = new_s;
adamc@120 1864 return r;
adamc@120 1865 }
adamc@120 1866
adamc@311 1867 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 1868 char *new_s = uw_unurlify_advance(*s);
adamc@311 1869 uw_Basis_float r;
adamc@120 1870
adamc@120 1871 r = atof(*s);
adamc@120 1872 *s = new_s;
adamc@120 1873 return r;
adamc@120 1874 }
adamc@120 1875
adamc@488 1876 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adam@1365 1877 uw_Basis_int n = uw_Basis_unurlifyInt(ctx, s);
adam@1365 1878 uw_Basis_time r = {n / 1000000, n % 1000000};
adam@1365 1879 return r;
adamc@488 1880 }
adamc@488 1881
adamc@1023 1882 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char *r, char *s) {
adamc@927 1883 char *s1, *s2 = s;
adamc@144 1884 int n;
adamc@136 1885
adamc@1023 1886 if (!fromClient) {
adamc@1023 1887 if (*s2 == '_')
adamc@1023 1888 ++s2;
adamc@1259 1889 else if ((s2[0] == '%' || s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@1023 1890 s2 += 3;
adamc@1023 1891 }
adamc@925 1892
adamc@927 1893 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087 1894 unsigned char c = *s2;
adamc@136 1895
adamc@136 1896 switch (c) {
adamc@136 1897 case '+':
adamc@136 1898 *s1 = ' ';
adamc@136 1899 break;
adamc@136 1900 case '%':
adamc@169 1901 if (s2[1] == 0)
adamc@311 1902 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 1903 if (s2[2] == 0)
adamc@311 1904 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 1905 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 1906 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@136 1907 *s1 = n;
adamc@136 1908 s2 += 2;
adamc@136 1909 break;
adamc@1259 1910 case '.':
adamc@1259 1911 if (!fromClient) {
adamc@1259 1912 if (s2[1] == 0)
adamc@1259 1913 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259 1914 if (s2[2] == 0)
adamc@1259 1915 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259 1916 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 1917 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@1259 1918 *s1 = n;
adamc@1259 1919 s2 += 2;
adamc@1259 1920 break;
adamc@1259 1921 }
adamc@136 1922 default:
adamc@136 1923 *s1 = c;
adamc@136 1924 }
adamc@136 1925 }
adamc@136 1926 *s1++ = 0;
adamc@144 1927 return s1;
adamc@144 1928 }
adamc@144 1929
adamc@311 1930 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 1931 char *new_s = uw_unurlify_advance(*s);
adamc@311 1932 uw_Basis_bool r;
adamc@186 1933
adamc@186 1934 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 1935 r = uw_Basis_False;
adamc@186 1936 else
adamc@311 1937 r = uw_Basis_True;
adamc@186 1938
adamc@186 1939 *s = new_s;
adamc@186 1940 return r;
adamc@186 1941 }
adamc@186 1942
adamc@311 1943 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 1944 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1945 char *r;
adamc@1134 1946 int len;
adamc@144 1947
adamc@200 1948 len = strlen(*s);
adamc@311 1949 uw_check_heap(ctx, len + 1);
adamc@144 1950
adamc@666 1951 r = ctx->heap.front;
adamc@1023 1952 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023 1953 *s = new_s;
adamc@1023 1954 return r;
adamc@1023 1955 }
adamc@1023 1956
adamc@1109 1957 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109 1958 *s = uw_unurlify_advance(*s);
adamc@1109 1959 return uw_unit_v;
adamc@1109 1960 }
adamc@1109 1961
adamc@1023 1962 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023 1963 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1964 char *r;
adamc@1134 1965 int len;
adamc@1023 1966
adamc@1023 1967 len = strlen(*s);
adamc@1023 1968 uw_check_heap(ctx, len + 1);
adamc@1023 1969
adamc@1023 1970 r = ctx->heap.front;
adamc@1023 1971 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136 1972 *s = new_s;
adamc@136 1973 return r;
adamc@120 1974 }
adamc@135 1975
adamc@135 1976
adamc@311 1977 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 1978 int len;
adamc@286 1979 char *r;
adamc@286 1980
adamc@311 1981 uw_check_heap(ctx, INTS_MAX);
adamc@666 1982 r = ctx->heap.front;
adamc@286 1983 sprintf(r, "%lld%n", n, &len);
adamc@666 1984 ctx->heap.front += len+1;
adamc@286 1985 return r;
adamc@286 1986 }
adamc@286 1987
adamc@428 1988 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 1989 int len;
adamc@286 1990
adamc@311 1991 uw_check(ctx, INTS_MAX);
adamc@666 1992 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1993 ctx->page.front += len;
adamc@428 1994
adamc@428 1995 return uw_unit_v;
adamc@286 1996 }
adamc@286 1997
adam@1358 1998 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358 1999 unsigned int n = ch;
adam@1358 2000 int len;
adam@1358 2001 char *r;
adam@1358 2002
adam@1358 2003 uw_check_heap(ctx, INTS_MAX+3);
adam@1358 2004 r = ctx->heap.front;
adam@1358 2005 sprintf(r, "&#%u;%n", n, &len);
adam@1358 2006 ctx->heap.front += len+1;
adam@1358 2007 return r;
adam@1358 2008 }
adam@1358 2009
adam@1358 2010 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358 2011 unsigned int n = ch;
adam@1358 2012 int len;
adam@1358 2013
adam@1358 2014 uw_check(ctx, INTS_MAX+3);
adam@1358 2015 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358 2016 ctx->page.front += len;
adam@1358 2017 return uw_unit_v;
adam@1358 2018 }
adam@1358 2019
adamc@311 2020 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 2021 int len;
adamc@286 2022 char *r;
adamc@286 2023
adamc@311 2024 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2025 r = ctx->heap.front;
adamc@286 2026 sprintf(r, "%g%n", n, &len);
adamc@666 2027 ctx->heap.front += len+1;
adamc@286 2028 return r;
adamc@286 2029 }
adamc@286 2030
adamc@428 2031 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 2032 int len;
adamc@286 2033
adamc@311 2034 uw_check(ctx, FLOATS_MAX);
adamc@666 2035 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 2036 ctx->page.front += len;
adamc@428 2037
adamc@428 2038 return uw_unit_v;
adamc@286 2039 }
adamc@286 2040
adam@1365 2041 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time t) {
adam@1360 2042 int len;
adam@1360 2043 char *r;
adam@1360 2044
adam@1360 2045 uw_check_heap(ctx, INTS_MAX);
adam@1360 2046 r = ctx->heap.front;
adamc@1377 2047 sprintf(r, "%lld%n", (uw_Basis_int)t.seconds * 1000000 + t.microseconds, &len);
adam@1360 2048 ctx->heap.front += len+1;
adam@1360 2049 return r;
adam@1360 2050 }
adam@1360 2051
adam@1365 2052 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_int n) {
adam@1360 2053 int len;
adam@1360 2054
adam@1360 2055 uw_check(ctx, INTS_MAX);
adam@1360 2056 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360 2057 ctx->page.front += len;
adam@1360 2058
adam@1360 2059 return uw_unit_v;
adam@1360 2060 }
adam@1360 2061
adam@1444 2062 char *uw_Basis_htmlifyString(uw_context ctx, const char *s) {
adamc@137 2063 char *r, *s2;
adamc@137 2064
adamc@311 2065 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 2066
adamc@666 2067 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054 2068 unsigned char c = *s;
adamc@137 2069
adamc@137 2070 switch (c) {
adamc@137 2071 case '<':
adamc@137 2072 strcpy(s2, "&lt;");
adamc@137 2073 s2 += 4;
adamc@137 2074 break;
adamc@137 2075 case '&':
adamc@137 2076 strcpy(s2, "&amp;");
adamc@137 2077 s2 += 5;
adamc@137 2078 break;
adamc@137 2079 default:
adamc@1059 2080 *s2++ = c;
adamc@137 2081 }
adamc@137 2082 }
adamc@137 2083
adamc@137 2084 *s2++ = 0;
adamc@666 2085 ctx->heap.front = s2;
adamc@137 2086 return r;
adamc@135 2087 }
adamc@135 2088
adamc@428 2089 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 2090 uw_check(ctx, strlen(s) * 6);
adamc@135 2091
adamc@135 2092 for (; *s; s++) {
adamc@1054 2093 unsigned char c = *s;
adamc@135 2094
adamc@135 2095 switch (c) {
adamc@135 2096 case '<':
adamc@311 2097 uw_write_unsafe(ctx, "&lt;");
adamc@135 2098 break;
adamc@135 2099 case '&':
adamc@311 2100 uw_write_unsafe(ctx, "&amp;");
adamc@135 2101 break;
adamc@135 2102 default:
adamc@1059 2103 uw_writec_unsafe(ctx, c);
adamc@135 2104 }
adamc@135 2105 }
adamc@428 2106
adamc@428 2107 return uw_unit_v;
adamc@135 2108 }
adamc@180 2109
adamc@311 2110 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2111 if (b == uw_Basis_False)
adamc@286 2112 return "False";
adamc@286 2113 else
adamc@286 2114 return "True";
adamc@286 2115 }
adamc@286 2116
adamc@428 2117 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 2118 if (b == uw_Basis_False) {
adamc@311 2119 uw_check(ctx, 6);
adamc@666 2120 strcpy(ctx->page.front, "False");
adamc@666 2121 ctx->page.front += 5;
adamc@286 2122 } else {
adamc@311 2123 uw_check(ctx, 5);
adamc@666 2124 strcpy(ctx->page.front, "True");
adamc@666 2125 ctx->page.front += 4;
adamc@286 2126 }
adamc@428 2127
adamc@428 2128 return uw_unit_v;
adamc@286 2129 }
adamc@286 2130
adamc@436 2131 #define TIME_FMT "%x %X"
adamc@438 2132 #define TIME_FMT_PG "%Y-%m-%d %T"
adamc@436 2133
adamc@436 2134 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@436 2135 size_t len;
adamc@436 2136 char *r;
adam@1392 2137 struct tm stm = {};
adam@1392 2138 stm.tm_isdst = -1;
adamc@436 2139
adam@1365 2140 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2141 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2142 r = ctx->heap.front;
adamc@436 2143 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2144 ctx->heap.front += len+1;
adamc@436 2145 return r;
adamc@436 2146 } else
adamc@436 2147 return "<i>Invalid time</i>";
adamc@436 2148 }
adamc@436 2149
adamc@436 2150 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adamc@436 2151 size_t len;
adamc@436 2152 char *r;
adam@1392 2153 struct tm stm = {};
adam@1392 2154 stm.tm_isdst = -1;
adamc@436 2155
adam@1365 2156 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2157 uw_check(ctx, TIMES_MAX);
adamc@666 2158 r = ctx->page.front;
adamc@436 2159 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2160 ctx->page.front += len;
adamc@436 2161 } else {
adamc@436 2162 uw_check(ctx, 20);
adamc@666 2163 strcpy(ctx->page.front, "<i>Invalid time</i>");
adamc@666 2164 ctx->page.front += 19;
adamc@436 2165 }
adamc@436 2166
adamc@436 2167 return uw_unit_v;
adamc@436 2168 }
adamc@436 2169
adam@1446 2170 char *uw_Basis_htmlifySource(uw_context ctx, uw_Basis_source src) {
adam@1446 2171 int len;
adam@1446 2172 char *r;
adam@1446 2173
adam@1446 2174 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1446 2175 r = ctx->heap.front;
adam@1446 2176 sprintf(r, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2177 ctx->heap.front += len+1;
adam@1446 2178 return r;
adam@1446 2179 }
adam@1446 2180
adam@1446 2181 uw_unit uw_Basis_htmlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1446 2182 int len;
adam@1446 2183
adam@1446 2184 uw_check(ctx, 2 * INTS_MAX + 1);
adam@1446 2185 sprintf(ctx->page.front, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2186 ctx->page.front += len;
adam@1446 2187
adam@1446 2188 return uw_unit_v;
adam@1446 2189 }
adam@1446 2190
adamc@821 2191 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2192 while (n >= 0) {
adam@1388 2193 if (*s == 0)
adam@1388 2194 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adam@1388 2195
adam@1388 2196 if (n == 0)
adam@1388 2197 return *s;
adam@1388 2198
adam@1388 2199 --n;
adam@1388 2200 ++s;
adam@1388 2201 }
adam@1388 2202
adam@1388 2203 uw_error(ctx, FATAL, "Negative strsub bound");
adamc@821 2204 }
adamc@821 2205
adamc@821 2206 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2207 while (n >= 0) {
adam@1388 2208 if (*s == 0 || n == 0)
adam@1388 2209 return s;
adam@1388 2210
adam@1388 2211 --n;
adam@1388 2212 ++s;
adam@1388 2213 }
adam@1388 2214
adam@1388 2215 uw_error(ctx, FATAL, "Negative strsuffix bound");
adamc@821 2216 }
adamc@821 2217
adamc@828 2218 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 2219 return strlen(s);
adamc@828 2220 }
adamc@828 2221
adam@1388 2222 uw_Basis_bool uw_Basis_strlenGe(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2223 while (n > 0) {
adam@1388 2224 if (*s == 0)
adam@1388 2225 return uw_Basis_False;
adam@1388 2226
adam@1388 2227 --n;
adam@1388 2228 ++s;
adam@1388 2229 }
adam@1388 2230
adam@1388 2231 return uw_Basis_True;
adam@1388 2232 }
adam@1388 2233
adamc@829 2234 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2235 return strchr(s, ch);
adamc@829 2236 }
adamc@829 2237
adamc@831 2238 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 2239 return strcspn(s, chs);
adamc@831 2240 }
adamc@831 2241
adamc@829 2242 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2243 uw_Basis_string r = strchr(s, ch);
adamc@829 2244 if (r == NULL)
adamc@829 2245 return NULL;
adamc@829 2246 else {
adamc@829 2247 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 2248 *nr = r - s;
adamc@829 2249 return nr;
adamc@829 2250 }
adamc@829 2251 }
adamc@829 2252
adam@1390 2253 uw_Basis_int *uw_Basis_strsindex(uw_context ctx, const char *haystack, const char *needle) {
adam@1390 2254 uw_Basis_string r = strstr(haystack, needle);
adam@1390 2255 if (r == NULL)
adam@1390 2256 return NULL;
adam@1390 2257 else {
adam@1390 2258 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adam@1390 2259 *nr = r - haystack;
adam@1390 2260 return nr;
adam@1390 2261 }
adam@1390 2262 }
adam@1390 2263
adamc@311 2264 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 2265 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 2266 char *s;
adamc@180 2267
adamc@311 2268 uw_check_heap(ctx, len);
adamc@180 2269
adamc@666 2270 s = ctx->heap.front;
adamc@180 2271
adamc@180 2272 strcpy(s, s1);
adamc@180 2273 strcat(s, s2);
adamc@666 2274 ctx->heap.front += len;
adamc@180 2275
adamc@180 2276 return s;
adamc@180 2277 }
adamc@278 2278
adamc@829 2279 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 2280 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 2281
adamc@829 2282 if (start < 0)
adamc@829 2283 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 2284 if (len < 0)
adamc@829 2285 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 2286 if (start + len > full_len)
adamc@829 2287 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 2288
adamc@829 2289 if (start + len == full_len)
adamc@829 2290 return &s[start];
adamc@829 2291 else {
adamc@829 2292 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 2293 memcpy(r, s+start, len);
adamc@829 2294 r[len] = 0;
adamc@829 2295 return r;
adamc@829 2296 }
adamc@829 2297
adamc@829 2298 }
adamc@829 2299
adamc@1023 2300 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023 2301 char *r;
adamc@1023 2302
adamc@1023 2303 uw_check_heap(ctx, 2);
adamc@1023 2304 r = ctx->heap.front;
adamc@1023 2305 r[0] = ch;
adamc@1023 2306 r[1] = 0;
adamc@1023 2307
adamc@1023 2308 ctx->heap.front += 2;
adamc@1023 2309
adamc@1023 2310 return r;
adamc@1023 2311 }
adamc@1023 2312
adamc@737 2313 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 2314 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 2315 char *s;
adamc@278 2316
adamc@311 2317 uw_check_heap(ctx, len);
adamc@278 2318
adamc@666 2319 s = ctx->heap.front;
adamc@278 2320
adamc@278 2321 strcpy(s, s1);
adamc@666 2322 ctx->heap.front += len;
adamc@278 2323
adamc@278 2324 return s;
adamc@278 2325 }
adamc@280 2326
adam@1295 2327 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295 2328 if (ctx->error_message[0]) {
adam@1295 2329 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295 2330 ctx->error_message[0] = 0;
adam@1295 2331 return s;
adam@1295 2332 } else
adam@1295 2333 return NULL;
adam@1295 2334 }
adam@1295 2335
adamc@737 2336 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 2337 if (s1)
adamc@737 2338 return uw_strdup(ctx, s1);
adamc@493 2339 else
adamc@493 2340 return NULL;
adamc@493 2341 }
adamc@493 2342
adamc@742 2343 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 2344 char *r = uw_malloc(ctx, len);
adamc@742 2345 memcpy(r, p, len);
adamc@742 2346 return r;
adamc@742 2347 }
adamc@280 2348
adamc@879 2349 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 2350
adamc@311 2351 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 2352 int len;
adamc@281 2353 char *r;
adamc@281 2354
adamc@311 2355 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 2356 r = ctx->heap.front;
adamc@879 2357 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 2358 ctx->heap.front += len+1;
adamc@281 2359 return r;
adamc@281 2360 }
adamc@281 2361
adamc@467 2362 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 2363 if (n == NULL)
adamc@467 2364 return "NULL";
adamc@467 2365 else
adamc@467 2366 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 2367 }
adamc@467 2368
adamc@879 2369 char *uw_sqlfmtFloat = "%g::float8%n";
adamc@879 2370
adamc@311 2371 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 2372 int len;
adamc@281 2373 char *r;
adamc@281 2374
adamc@311 2375 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 2376 r = ctx->heap.front;
adamc@879 2377 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 2378 ctx->heap.front += len+1;
adamc@281 2379 return r;
adamc@281 2380 }
adamc@281 2381
adamc@467 2382 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 2383 if (n == NULL)
adamc@467 2384 return "NULL";
adamc@467 2385 else
adamc@467 2386 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 2387 }
adamc@467 2388
adamc@879 2389 int uw_Estrings = 1;
adamc@879 2390 char *uw_sqlsuffixString = "::text";
adamc@1011 2391 char *uw_sqlsuffixChar = "::char";
adamc@281 2392
adamc@311 2393 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 2394 char *r, *s2;
adamc@280 2395
adamc@879 2396 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 2397
adamc@666 2398 r = s2 = ctx->heap.front;
adamc@879 2399 if (uw_Estrings)
adamc@879 2400 *s2++ = 'E';
adamc@280 2401 *s2++ = '\'';
adamc@280 2402
adamc@280 2403 for (; *s; s++) {
adamc@280 2404 char c = *s;
adamc@280 2405
adamc@280 2406 switch (c) {
adamc@280 2407 case '\'':
adamc@885 2408 if (uw_Estrings)
adamc@885 2409 strcpy(s2, "\\'");
adamc@885 2410 else
adamc@885 2411 strcpy(s2, "''");
adamc@280 2412 s2 += 2;
adamc@280 2413 break;
adamc@280 2414 case '\\':
adamc@885 2415 if (uw_Estrings) {
adamc@885 2416 strcpy(s2, "\\\\");
adamc@885 2417 s2 += 2;
adamc@885 2418 } else
adamc@885 2419 *s2++ = '\\';
adamc@280 2420 break;
adamc@280 2421 default:
adamc@1150 2422 if (isprint((int)c))
adamc@280 2423 *s2++ = c;
adamc@879 2424 else if (uw_Estrings) {
adamc@737 2425 sprintf(s2, "\\%03o", c);
adamc@280 2426 s2 += 4;
adamc@280 2427 }
adamc@879 2428 else
adamc@879 2429 uw_error(ctx, FATAL, "Non-printable character %u in string to SQLify", c);
adamc@280 2430 }
adamc@280 2431 }
adamc@280 2432
adamc@879 2433 *s2++ = '\'';
adamc@879 2434 strcpy(s2, uw_sqlsuffixString);
adamc@879 2435 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2436 return r;
adamc@280 2437 }
adamc@281 2438
adamc@1011 2439 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 2440 char *r, *s2;
adamc@1011 2441
adamc@1011 2442 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011 2443
adamc@1011 2444 r = s2 = ctx->heap.front;
adamc@1011 2445 if (uw_Estrings)
adamc@1011 2446 *s2++ = 'E';
adamc@1011 2447 *s2++ = '\'';
adamc@1011 2448
adamc@1011 2449 switch (c) {
adamc@1011 2450 case '\'':
adamc@1011 2451 if (uw_Estrings)
adamc@1011 2452 strcpy(s2, "\\'");
adamc@1011 2453 else
adamc@1011 2454 strcpy(s2, "''");
adamc@1011 2455 s2 += 2;
adamc@1011 2456 break;
adamc@1011 2457 case '\\':
adamc@1011 2458 if (uw_Estrings) {
adamc@1011 2459 strcpy(s2, "\\\\");
adamc@1011 2460 s2 += 2;
adamc@1011 2461 } else
adamc@1011 2462 *s2++ = '\\';
adamc@1011 2463 break;
adamc@1011 2464 default:
adamc@1150 2465 if (isprint((int)c))
adamc@1011 2466 *s2++ = c;
adamc@1011 2467 else if (uw_Estrings) {
adamc@1011 2468 sprintf(s2, "\\%03o", c);
adamc@1011 2469 s2 += 4;
adamc@1011 2470 }
adamc@1011 2471 else
adamc@1011 2472 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011 2473 }
adamc@1011 2474
adamc@1011 2475 *s2++ = '\'';
adamc@1011 2476 strcpy(s2, uw_sqlsuffixChar);
adamc@1011 2477 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011 2478 return r;
adamc@1011 2479 }
adamc@1011 2480
adamc@879 2481 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2482
adamc@737 2483 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2484 char *r, *s2;
adamc@737 2485 size_t i;
adamc@737 2486
adamc@879 2487 uw_check_heap(ctx, b.size * 5 + 3 + uw_Estrings + strlen(uw_sqlsuffixBlob));
adamc@737 2488
adamc@737 2489 r = s2 = ctx->heap.front;
adamc@879 2490 if (uw_Estrings)
adamc@879 2491 *s2++ = 'E';
adamc@737 2492 *s2++ = '\'';
adamc@737 2493
adamc@737 2494 for (i = 0; i < b.size; ++i) {
adamc@737 2495 char c = b.data[i];
adamc@737 2496
adamc@737 2497 switch (c) {
adamc@737 2498 case '\'':
adamc@885 2499 if (uw_Estrings)
adamc@885 2500 strcpy(s2, "\\'");
adamc@885 2501 else
adamc@885 2502 strcpy(s2, "''");
adamc@737 2503 s2 += 2;
adamc@737 2504 break;
adamc@737 2505 case '\\':
adamc@885 2506 if (uw_Estrings) {
adamc@885 2507 strcpy(s2, "\\\\\\\\");
adamc@885 2508 s2 += 4;
adamc@885 2509 } else
adamc@885 2510 *s2++ = '\\';
adamc@737 2511 break;
adamc@737 2512 default:
adamc@1150 2513 if (isprint((int)c))
adamc@737 2514 *s2++ = c;
adamc@879 2515 else if (uw_Estrings) {
adamc@737 2516 sprintf(s2, "\\\\%03o", c);
adamc@737 2517 s2 += 5;
adamc@737 2518 }
adamc@879 2519 else
adamc@879 2520 uw_error(ctx, FATAL, "Non-printable character %u in blob to SQLify", c);
adamc@737 2521 }
adamc@737 2522 }
adamc@737 2523
adamc@879 2524 *s2++ = '\'';
adamc@879 2525 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2526 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2527 return r;
adamc@737 2528 }
adamc@737 2529
adamc@682 2530 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2531 int len;
adamc@682 2532 char *r;
adamc@682 2533 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2534
adamc@682 2535 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2536 r = ctx->heap.front;
adamc@879 2537 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2538 ctx->heap.front += len+1;
adamc@682 2539 return r;
adamc@682 2540 }
adamc@682 2541
adamc@682 2542 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2543 int len;
adamc@682 2544 char *r;
adamc@682 2545 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2546
adamc@682 2547 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2548 r = ctx->heap.front;
adamc@682 2549 sprintf(r, "%lld%n", combo, &len);
adamc@682 2550 ctx->heap.front += len+1;
adamc@682 2551 return r;
adamc@682 2552 }
adamc@682 2553
adamc@879 2554 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2555
adamc@682 2556 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2557 int len;
adamc@682 2558 char *r;
adamc@682 2559
adamc@682 2560 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2561 r = ctx->heap.front;
adamc@879 2562 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2563 ctx->heap.front += len+1;
adamc@682 2564 return r;
adamc@682 2565 }
adamc@682 2566
adamc@682 2567 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2568 int len;
adamc@682 2569 char *r;
adamc@682 2570
adamc@682 2571 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2572 r = ctx->heap.front;
adamc@682 2573 sprintf(r, "%u%n", cli, &len);
adamc@682 2574 ctx->heap.front += len+1;
adamc@682 2575 return r;
adamc@682 2576 }
adamc@682 2577
adamc@467 2578 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2579 if (s == NULL)
adamc@467 2580 return "NULL";
adamc@467 2581 else
adamc@467 2582 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2583 }
adamc@467 2584
adamc@311 2585 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2586 if (b == uw_Basis_False)
adamc@281 2587 return "FALSE";
adamc@281 2588 else
adamc@281 2589 return "TRUE";
adamc@281 2590 }
adamc@282 2591
adamc@467 2592 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2593 if (b == NULL)
adamc@467 2594 return "NULL";
adamc@467 2595 else
adamc@467 2596 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2597 }
adamc@467 2598
adamc@439 2599 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2600 size_t len;
adamc@682 2601 char *r, *s;
adam@1392 2602 struct tm stm = {};
adam@1392 2603 stm.tm_isdst = -1;
adamc@682 2604
adam@1365 2605 if (localtime_r(&t.seconds, &stm)) {
adamc@682 2606 s = uw_malloc(ctx, TIMES_MAX);
adam@1364 2607 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1367 2608 if (t.microseconds) {
adam@1367 2609 r = uw_malloc(ctx, len + 21);
adam@1367 2610 sprintf(r, "'%s.%06u'::timestamp", s, t.microseconds);
adam@1367 2611 } else {
adam@1367 2612 r = uw_malloc(ctx, len + 14);
adam@1367 2613 sprintf(r, "'%s'::timestamp", s);
adam@1367 2614 }
adamc@682 2615 return r;
adamc@682 2616 } else
adamc@682 2617 return "<Invalid time>";
adamc@682 2618 }
adamc@682 2619
adamc@682 2620 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2621 size_t len;
adamc@439 2622 char *r;
adam@1392 2623 struct tm stm = {};
adam@1392 2624 stm.tm_isdst = -1;
adamc@439 2625
adam@1365 2626 if (localtime_r(&t.seconds, &stm)) {
adamc@439 2627 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2628 r = ctx->heap.front;
adamc@439 2629 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2630 ctx->heap.front += len+1;
adamc@439 2631 return r;
adamc@439 2632 } else
adamc@439 2633 return "<Invalid time>";
adamc@439 2634 }
adamc@439 2635
adam@1364 2636 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364 2637 size_t len;
adam@1364 2638 char *r;
adam@1392 2639 struct tm stm = {};
adam@1392 2640 stm.tm_isdst = -1;
adam@1364 2641
adam@1365 2642 if (localtime_r(&t.seconds, &stm)) {
adam@1364 2643 uw_check_heap(ctx, TIMES_MAX);
adam@1364 2644 r = ctx->heap.front;
adam@1365 2645 len = strftime(r, TIMES_MAX-7, TIME_FMT_PG, &stm);
adam@1365 2646 ctx->heap.front += len;
adam@1365 2647 sprintf(ctx->heap.front, ".%06u", t.microseconds);
adam@1365 2648 ctx->heap.front += 8;
adam@1364 2649 return r;
adam@1364 2650 } else
adam@1364 2651 return "<Invalid time>";
adam@1364 2652 }
adam@1364 2653
adamc@467 2654 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2655 if (t == NULL)
adamc@467 2656 return "NULL";
adamc@467 2657 else
adamc@467 2658 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2659 }
adamc@467 2660
adamc@311 2661 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2662 static uw_Basis_int true = 1;
adamc@311 2663 static uw_Basis_int false = 0;
adamc@282 2664
adamc@311 2665 if (b == uw_Basis_False)
adamc@282 2666 return (char *)&false;
adamc@282 2667 else
adamc@282 2668 return (char *)&true;
adamc@282 2669 }
adamc@284 2670
adamc@311 2671 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2672 int len;
adamc@284 2673 char *r;
adamc@284 2674
adamc@311 2675 uw_check_heap(ctx, INTS_MAX);
adamc@666 2676 r = ctx->heap.front;
adamc@284 2677 sprintf(r, "%lld%n", n, &len);
adamc@666 2678 ctx->heap.front += len+1;
adamc@284 2679 return r;
adamc@284 2680 }
adamc@285 2681
adamc@311 2682 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2683 int len;
adamc@285 2684 char *r;
adamc@285 2685
adamc@311 2686 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2687 r = ctx->heap.front;
adamc@285 2688 sprintf(r, "%g%n", n, &len);
adamc@666 2689 ctx->heap.front += len+1;
adamc@285 2690 return r;
adamc@285 2691 }
adamc@285 2692
adamc@821 2693 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2694 char *r = uw_malloc(ctx, 2);
adamc@821 2695 r[0] = ch;
adamc@821 2696 r[1] = 0;
adamc@821 2697 return r;
adamc@821 2698 }
adamc@821 2699
adamc@311 2700 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2701 if (b == uw_Basis_False)
adamc@285 2702 return "False";
adamc@285 2703 else
adamc@285 2704 return "True";
adamc@285 2705 }
adamc@288 2706
adamc@436 2707 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adamc@436 2708 size_t len;
adamc@436 2709 char *r;
adam@1392 2710 struct tm stm = {};
adam@1392 2711 stm.tm_isdst = -1;
adamc@436 2712
adam@1365 2713 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2714 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2715 r = ctx->heap.front;
adamc@436 2716 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2717 ctx->heap.front += len+1;
adamc@436 2718 return r;
adamc@436 2719 } else
adamc@436 2720 return "<Invalid time>";
adamc@436 2721 }
adamc@288 2722
adam@1359 2723 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352 2724 size_t len;
adam@1352 2725 char *r;
adam@1392 2726 struct tm stm = {};
adam@1392 2727 stm.tm_isdst = -1;
adam@1352 2728
adam@1365 2729 if (localtime_r(&t.seconds, &stm)) {
adam@1352 2730 uw_check_heap(ctx, TIMES_MAX);
adam@1352 2731 r = ctx->heap.front;
adam@1352 2732 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352 2733 ctx->heap.front += len+1;
adam@1352 2734 return r;
adam@1352 2735 } else
adam@1352 2736 return "<Invalid time>";
adam@1352 2737 }
adam@1352 2738
adamc@311 2739 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2740 char *endptr;
adamc@311 2741 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2742
adamc@288 2743 if (*s != '\0' && *endptr == '\0') {
adamc@311 2744 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2745 *r = n;
adamc@288 2746 return r;
adamc@288 2747 } else
adamc@288 2748 return NULL;
adamc@288 2749 }
adamc@289 2750
adamc@311 2751 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2752 char *endptr;
adamc@311 2753 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2754
adamc@289 2755 if (*s != '\0' && *endptr == '\0') {
adamc@311 2756 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2757 *r = n;
adamc@289 2758 return r;
adamc@289 2759 } else
adamc@289 2760 return NULL;
adamc@289 2761 }
adamc@289 2762
adamc@821 2763 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2764 if (s[0] == 0) {
adamc@821 2765 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2766 r[0] = 0;
adamc@821 2767 return r;
adamc@821 2768 } else if (s[1] != 0)
adamc@821 2769 return NULL;
adamc@821 2770 else {
adamc@821 2771 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2772 r[0] = s[0];
adamc@821 2773 return r;
adamc@821 2774 }
adamc@821 2775 }
adamc@821 2776
adamc@311 2777 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2778 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2779 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2780
adamc@289 2781 if (!strcasecmp (s, "True"))
adamc@289 2782 return &true;
adamc@289 2783 else if (!strcasecmp (s, "False"))
adamc@289 2784 return &false;
adamc@289 2785 else
adamc@289 2786 return NULL;
adamc@289 2787 }
adamc@292 2788
adamc@436 2789 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2790 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1374 2791 struct tm stm = {};
adam@1392 2792 stm.tm_isdst = -1;
adamc@436 2793
adamc@439 2794 if (dot) {
adamc@439 2795 *dot = 0;
adamc@439 2796 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2797 *dot = '.';
adamc@439 2798 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2799 r->seconds = mktime(&stm);
adam@1365 2800 r->microseconds = 0;
adamc@439 2801 return r;
adamc@439 2802 }
adamc@439 2803 else {
adamc@439 2804 *dot = '.';
adamc@439 2805 return NULL;
adamc@439 2806 }
adamc@436 2807 }
adamc@439 2808 else {
adamc@439 2809 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2810 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2811 r->seconds = mktime(&stm);
adam@1365 2812 r->microseconds = 0;
adamc@439 2813 return r;
adamc@439 2814 }
adamc@439 2815 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2816 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2817 r->seconds = mktime(&stm);
adam@1365 2818 r->microseconds = 0;
adamc@439 2819 return r;
adamc@439 2820 }
adamc@439 2821 else
adamc@439 2822 return NULL;
adamc@439 2823 }
adamc@436 2824 }
adamc@436 2825
adam@1352 2826 uw_Basis_time *uw_Basis_stringToTimef(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2827 char *end = strchr(s, 0);
adam@1374 2828 struct tm stm = {};
adam@1392 2829 stm.tm_isdst = -1;
adam@1352 2830
adam@1352 2831 if (strptime(s, fmt, &stm) == end) {
adam@1352 2832 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2833 r->seconds = mktime(&stm);
adam@1365 2834 r->microseconds = 0;
adam@1352 2835 return r;
adam@1352 2836 }
adam@1352 2837 else
adam@1352 2838 return NULL;
adam@1352 2839 }
adam@1352 2840
adamc@311 2841 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 2842 char *endptr;
adamc@311 2843 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 2844
adamc@292 2845 if (*s != '\0' && *endptr == '\0')
adamc@292 2846 return n;
adamc@292 2847 else
adam@1444 2848 uw_error(ctx, FATAL, "Can't parse int: %s", uw_Basis_htmlifyString(ctx, s));
adamc@292 2849 }
adamc@293 2850
adamc@682 2851 #include <errno.h>
adamc@682 2852
adamc@678 2853 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 2854 unsigned long long n;
adamc@682 2855
adamc@682 2856 if (sscanf(s, "%llu", &n) < 1)
adam@1444 2857 uw_error(ctx, FATAL, "Can't parse channel: %s", uw_Basis_htmlifyString(ctx, s));
adamc@682 2858 else {
adamc@682 2859 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 2860 return ch;
adamc@682 2861 }
adamc@682 2862 }
adamc@682 2863
adamc@682 2864 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 2865 char *endptr;
adamc@682 2866 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 2867
adamc@678 2868 if (*s != '\0' && *endptr == '\0')
adamc@678 2869 return n;
adamc@678 2870 else
adam@1444 2871 uw_error(ctx, FATAL, "Can't parse client: %s", uw_Basis_htmlifyString(ctx, s));
adamc@678 2872 }
adamc@678 2873
adamc@311 2874 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 2875 char *endptr;
adamc@311 2876 uw_Basis_float n = strtod(s, &endptr);
adamc@293 2877
adamc@293 2878 if (*s != '\0' && *endptr == '\0')
adamc@293 2879 return n;
adamc@293 2880 else
adam@1444 2881 uw_error(ctx, FATAL, "Can't parse float: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 2882 }
adamc@293 2883
adamc@821 2884 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 2885 if (s[0] == 0)
adamc@821 2886 return 0;
adamc@821 2887 else if (s[1] != 0)
adam@1444 2888 uw_error(ctx, FATAL, "Can't parse char: %s", uw_Basis_htmlifyString(ctx, s));
adamc@821 2889 else
adamc@821 2890 return s[0];
adamc@821 2891 }
adamc@821 2892
adamc@311 2893 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 2894 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 2895 return uw_Basis_True;
adamc@296 2896 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 2897 return uw_Basis_False;
adamc@293 2898 else
adam@1444 2899 uw_error(ctx, FATAL, "Can't parse bool: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 2900 }
adamc@436 2901
adam@1352 2902 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352 2903 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1352 2904 struct tm stm = {};
adam@1392 2905 stm.tm_isdst = -1;
adam@1352 2906
adam@1352 2907 if (dot) {
adam@1352 2908 *dot = 0;
adam@1352 2909 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352 2910 *dot = '.';
adam@1410 2911 char usec[] = "000000";
adam@1410 2912 int len = strlen(dot+1);
adam@1410 2913 memcpy(usec, dot+1, len < 6 ? len : 6);
adam@1410 2914 uw_Basis_time r = { mktime(&stm), atoi(usec) };
adam@1365 2915 return r;
adam@1352 2916 }
adam@1352 2917 else {
adam@1352 2918 *dot = '.';
adam@1444 2919 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 2920 }
adam@1352 2921 }
adam@1352 2922 else {
adam@1352 2923 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 2924 uw_Basis_time r = { mktime(&stm) };
adam@1365 2925 return r;
adam@1352 2926 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 2927 uw_Basis_time r = { mktime(&stm) };
adam@1365 2928 return r;
adam@1352 2929 } else
adam@1444 2930 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 2931 }
adam@1352 2932 }
adam@1352 2933
adamc@436 2934 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 2935 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2936 struct tm stm = {};
adam@1392 2937 stm.tm_isdst = -1;
adamc@436 2938
adamc@438 2939 if (dot) {
adamc@438 2940 *dot = 0;
adamc@438 2941 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 2942 *dot = '.';
adam@1365 2943 {
adam@1365 2944 uw_Basis_time r = { mktime(&stm) };
adam@1365 2945 return r;
adam@1365 2946 }
adamc@438 2947 }
adamc@438 2948 else {
adamc@438 2949 *dot = '.';
adam@1444 2950 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 2951 }
adamc@438 2952 }
adamc@438 2953 else {
adam@1365 2954 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 2955 uw_Basis_time r = { mktime(&stm) };
adam@1365 2956 return r;
adam@1365 2957 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 2958 uw_Basis_time r = { mktime(&stm) };
adam@1365 2959 return r;
adam@1365 2960 } else
adam@1444 2961 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 2962 }
adamc@436 2963 }
adamc@457 2964
adam@1352 2965 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2966 char *end = strchr(s, 0);
adamc@939 2967 struct tm stm = {};
adam@1392 2968 stm.tm_isdst = -1;
adamc@939 2969
adam@1365 2970 if (strptime(s, fmt, &stm) == end) {
adam@1365 2971 uw_Basis_time r = { mktime(&stm) };
adam@1365 2972 return r;
adam@1365 2973 } else
adam@1444 2974 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@939 2975 }
adamc@939 2976
adamc@742 2977 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 2978 char *r = ctx->heap.front;
adamc@742 2979 uw_Basis_blob b = {len, r};
adamc@742 2980
adamc@742 2981 uw_check_heap(ctx, len);
adamc@742 2982
adamc@742 2983 while (*s) {
adamc@742 2984 if (s[0] == '\\') {
adamc@742 2985 if (s[1] == '\\') {
adamc@742 2986 *r++ = '\\';
adamc@742 2987 s += 2;
adamc@1153 2988 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adamc@742 2989 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adamc@742 2990 s += 4;
adamc@742 2991 }
adamc@742 2992 else {
adamc@742 2993 *r++ = '\\';
adamc@742 2994 ++s;
adamc@742 2995 }
adamc@742 2996 } else {
adamc@742 2997 *r++ = s[0];
adamc@742 2998 ++s;
adamc@742 2999 }
adamc@742 3000 }
adamc@742 3001
adamc@742 3002 b.size = r - ctx->heap.front;
adamc@742 3003 ctx->heap.front = r;
adamc@742 3004 return b;
adamc@742 3005 }
adamc@742 3006
adam@1402 3007 #define THE_PAST "expires=Sat, 01-Jan-2011 00:00:00 GMT"
adamc@1052 3008
adamc@463 3009 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 3010 int len = strlen(c);
adamc@854 3011 char *p = ctx->outHeaders.start;
adamc@474 3012
adamc@1134 3013 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474 3014 char *p2;
adamc@474 3015 p += 13;
adamc@474 3016 p2 = strchr(p, '=');
adamc@474 3017
adamc@474 3018 if (p2) {
adamc@474 3019 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 3020
adamc@474 3021 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052 3022 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052 3023 return NULL;
adamc@1052 3024 else {
adamc@1052 3025 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052 3026 memcpy(ret, p2+1, sz);
adamc@1052 3027 ret[sz] = 0;
adamc@1052 3028 return ret;
adamc@1052 3029 }
adamc@474 3030 }
adamc@474 3031 }
adamc@474 3032 }
adamc@463 3033
adamc@1134 3034 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051 3035 char *p2;
adamc@1051 3036
adamc@854 3037 while (1) {
adamc@1051 3038 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134 3039 if ((p2 = strchr(p, ';'))) {
adamc@1051 3040 size_t n = p2 - (p + len);
adamc@1051 3041 char *r = uw_malloc(ctx, n);
adamc@1051 3042 memcpy(r, p + 1 + len, n-1);
adamc@1051 3043 r[n-1] = 0;
adamc@1051 3044 return r;
adamc@1051 3045 } else
adamc@1051 3046 return p + 1 + len;
adamc@1134 3047 } else if ((p = strchr(p, ';')))
adamc@854 3048 p += 2;
adamc@463 3049 else
adamc@463 3050 return NULL;
adamc@463 3051 }
adamc@463 3052 }
adamc@792 3053
adamc@792 3054 return NULL;
adamc@457 3055 }
adamc@462 3056
adamc@1050 3057 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 3058 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 3059 uw_write_header(ctx, c);
adamc@462 3060 uw_write_header(ctx, "=");
adamc@462 3061 uw_write_header(ctx, v);
adamc@466 3062 uw_write_header(ctx, "; path=");
adamc@466 3063 uw_write_header(ctx, prefix);
adamc@1050 3064 if (expires) {
adamc@1050 3065 char formatted[30];
adam@1392 3066 struct tm tm = {};
adam@1392 3067 tm.tm_isdst = -1;
adamc@1050 3068
adam@1365 3069 gmtime_r(&expires->seconds, &tm);
adamc@1050 3070
adamc@1050 3071 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050 3072
adamc@1050 3073 uw_write_header(ctx, "; expires=");
adamc@1050 3074 uw_write_header(ctx, formatted);
adamc@1050 3075 }
adamc@1050 3076 if (secure)
adamc@1050 3077 uw_write_header(ctx, "; secure");
adamc@462 3078 uw_write_header(ctx, "\r\n");
adamc@462 3079
adamc@462 3080 return uw_unit_v;
adamc@462 3081 }
adamc@667 3082
adamc@1050 3083 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050 3084 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050 3085 uw_write_header(ctx, c);
adamc@1050 3086 uw_write_header(ctx, "=; path=");
adamc@1050 3087 uw_write_header(ctx, prefix);
adamc@1052 3088 uw_write_header(ctx, "; " THE_PAST "\r\n");
adamc@1050 3089
adamc@1050 3090 return uw_unit_v;
adamc@1050 3091 }
adamc@1050 3092
adamc@1113 3093 size_t uw_deltas_max = SIZE_MAX;
adamc@1113 3094
adamc@682 3095 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 3096 unsigned i;
adamc@682 3097 delta *d;
adamc@671 3098
adamc@682 3099 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 3100 if (ctx->deltas[i].client == client)
adamc@682 3101 return &ctx->deltas[i];
adamc@671 3102
adamc@682 3103 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113 3104 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113 3105 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113 3106
adamc@682 3107 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adam@1369 3108 uw_buffer_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 3109 }
adamc@671 3110
adamc@682 3111 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 3112 d->client = client;
adam@1369 3113 uw_buffer_reset(&d->msgs);
adamc@682 3114 return d;
adamc@671 3115 }
adamc@671 3116
adamc@668 3117 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 3118 if (ctx->client == NULL)
adamc@682 3119 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 3120
adamc@682 3121 return new_channel(ctx->client);
adamc@668 3122 }
adamc@668 3123
adamc@668 3124 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 3125 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 3126 size_t len;
adamc@682 3127 int preLen;
adamc@682 3128 char pre[INTS_MAX + 2];
adamc@668 3129
adamc@682 3130 len = strlen(msg);
adamc@682 3131
adamc@682 3132 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 3133
adam@1369 3134 ctx_uw_buffer_append(ctx, "messages", &d->msgs, pre, preLen);
adam@1369 3135 ctx_uw_buffer_append(ctx, "messages", &d->msgs, msg, len);
adam@1369 3136 ctx_uw_buffer_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671 3137
adamc@671 3138 return uw_unit_v;
adamc@668 3139 }
adamc@671 3140
adam@1327 3141 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131 3142 int i;
adamc@1131 3143 cleanup *cl;
adamc@1131 3144
adamc@1131 3145 if (ctx->client)
adamc@1131 3146 release_client(ctx->client);
adamc@1131 3147
adamc@1131 3148 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131 3149 cl->func(cl->arg);
adamc@1131 3150
adamc@1131 3151 ctx->cleanup_front = ctx->cleanup;
adamc@1131 3152
adamc@1131 3153 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3154 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3155 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131 3156
adamc@1131 3157 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3158 if (ctx->transactionals[i].free)
adam@1327 3159 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131 3160
adamc@1144 3161 return ctx->app ? ctx->app->db_rollback(ctx) : 0;
adamc@1131 3162 }
adamc@1131 3163
adamc@671 3164 void uw_commit(uw_context ctx) {
adamc@1104 3165 int i;
adamc@1104 3166
adamc@1131 3167 if (uw_has_error(ctx)) {
adam@1327 3168 uw_rollback(ctx, 0);
adamc@1131 3169 return;
adamc@1131 3170 }
adamc@1131 3171
adamc@1104 3172 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3173 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3174 if (ctx->transactionals[i].commit) {
adamc@1083 3175 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3176 if (uw_has_error(ctx)) {
adam@1327 3177 uw_rollback(ctx, 0);
adamc@1131 3178 return;
adamc@1131 3179 }
adamc@1131 3180 }
adamc@771 3181
adamc@1104 3182 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3183 if (ctx->transactionals[i].rollback == NULL)
adamc@1131 3184 if (ctx->transactionals[i].commit) {
adamc@1083 3185 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3186 if (uw_has_error(ctx)) {
adam@1327 3187 uw_rollback(ctx, 0);
adamc@1131 3188 return;
adamc@1131 3189 }
adamc@1131 3190 }
adamc@1131 3191
adamc@1131 3192 if (ctx->app->db_commit(ctx)) {
adamc@1131 3193 uw_set_error_message(ctx, "Error running SQL COMMIT");
adamc@1131 3194 return;
adamc@1131 3195 }
adamc@682 3196
adamc@682 3197 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 3198 delta *d = &ctx->deltas[i];
adamc@682 3199 client *c = find_client(d->client);
adamc@682 3200
adam@1551 3201 assert (c != NULL);
adam@1551 3202 assert(c->mode == USED);
adamc@682 3203
adam@1447 3204 client_send(c, &d->msgs, ctx->script.start, uw_buffer_used(&ctx->script));
adamc@682 3205 }
adamc@682 3206
adamc@682 3207 if (ctx->client)
adamc@685 3208 release_client(ctx->client);
adamc@771 3209
adamc@1104 3210 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083 3211 if (ctx->transactionals[i].free)
adam@1327 3212 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916 3213
adam@1413 3214 if (*ctx->page.front)
adam@1413 3215 uw_writec(ctx, 0);
adam@1413 3216
adamc@916 3217 // Splice script data into appropriate part of page
adamc@1065 3218 if (ctx->returning_indirectly || ctx->script_header[0] == 0) {
adamc@995 3219 char *start = strstr(ctx->page.start, "<sc>");
adamc@995 3220 if (start) {
adam@1369 3221 memmove(start, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 4);
adamc@995 3222 ctx->page.front -= 4;
adamc@995 3223 }
adam@1369 3224 } else if (uw_buffer_used(&ctx->script) == 0) {
adamc@916 3225 size_t len = strlen(ctx->script_header);
adamc@916 3226 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 3227 if (start) {
adam@1369 3228 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) - 4 + len);
adamc@917 3229 start = strstr(ctx->page.start, "<sc>");
adam@1369 3230 memmove(start + len, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 3231 ctx->page.front += len - 4;
adamc@916 3232 memcpy(start, ctx->script_header, len);
adamc@916 3233 }
adamc@916 3234 } else {
adam@1369 3235 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adamc@916 3236 size_t lenP = lenH + 40 + len;
adamc@916 3237 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 3238 if (start) {
adam@1369 3239 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) - 4 + lenP);
adamc@917 3240 start = strstr(ctx->page.start, "<sc>");
adam@1369 3241 memmove(start + lenP, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 3242 ctx->page.front += lenP - 4;
adamc@916 3243 memcpy(start, ctx->script_header, lenH);
adamc@916 3244 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adamc@916 3245 memcpy(start + lenH + 31, ctx->script.start, len);
adamc@916 3246 memcpy(start + lenH + 31 + len, "</script>", 9);
adamc@916 3247 }
adamc@916 3248 }
adamc@671 3249 }
adamc@671 3250
adamc@683 3251
adamc@1113 3252 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113 3253
adamc@771 3254 void uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327 3255 uw_callback_with_retry free) {
adamc@771 3256 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113 3257 if (ctx->used_transactionals+1 > uw_transactionals_max)
adamc@1113 3258 uw_error(ctx, FATAL, "Exceeded limit on number of transactionals");
adamc@1084 3259 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771 3260 ++ctx->n_transactionals;
adamc@771 3261 }
adamc@771 3262
adamc@771 3263 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 3264 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 3265 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 3266 ctx->transactionals[ctx->used_transactionals++].free = free;
adamc@771 3267 }
adamc@771 3268
adamc@683 3269
adamc@683 3270 // "Garbage collection"
adamc@683 3271
adamc@1121 3272 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121 3273 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121 3274
adamc@1121 3275 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683 3276 int r = setjmp(ctx->jmp_buf);
adamc@683 3277
adamc@1121 3278 if (r == 0)
adamc@1121 3279 uw_do_expunge(ctx, cli, data);
adamc@1121 3280 else
adamc@1121 3281 ctx->app->db_rollback(ctx);
adamc@1121 3282
adamc@1121 3283 uw_post_expunge(ctx, data);
adamc@683 3284
adamc@683 3285 return r;
adamc@683 3286 }
adamc@683 3287
adamc@683 3288 void uw_prune_clients(uw_context ctx) {
adamc@683 3289 client *c, *next, *prev = NULL;
adamc@683 3290 time_t cutoff;
adamc@683 3291
adamc@1094 3292 cutoff = time(NULL) - ctx->app->timeout;
adamc@683 3293
adamc@683 3294 pthread_mutex_lock(&clients_mutex);
adamc@683 3295
adamc@683 3296 for (c = clients_used; c; c = next) {
adamc@683 3297 next = c->next;
adamc@683 3298 pthread_mutex_lock(&c->lock);
adamc@685 3299 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 3300 failure_kind fk = UNLIMITED_RETRY;
adamc@683 3301 if (prev)
adamc@683 3302 prev->next = next;
adamc@683 3303 else
adamc@683 3304 clients_used = next;
adamc@684 3305 uw_reset(ctx);
adamc@683 3306 while (fk == UNLIMITED_RETRY) {
adamc@1121 3307 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121 3308 if (fk == UNLIMITED_RETRY)
adamc@684 3309 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 3310 }
adamc@684 3311 if (fk == SUCCESS)
adamc@684 3312 free_client(c);
adamc@1121 3313 else
adamc@856 3314 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683 3315 }
adamc@683 3316 else
adamc@683 3317 prev = c;
adamc@683 3318 pthread_mutex_unlock(&c->lock);
adamc@683 3319 }
adamc@683 3320
adamc@683 3321 pthread_mutex_unlock(&clients_mutex);
adamc@683 3322 }
adamc@687 3323
adamc@687 3324 failure_kind uw_initialize(uw_context ctx) {
adamc@687 3325 int r = setjmp(ctx->jmp_buf);
adamc@687 3326
adamc@687 3327 if (r == 0) {
adamc@1094 3328 if (ctx->app->db_begin(ctx))
adamc@687 3329 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@1094 3330 ctx->app->initializer(ctx);
adamc@1094 3331 if (ctx->app->db_commit(ctx))
adamc@687 3332 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 3333 }
adamc@687 3334
adamc@687 3335 return r;
adamc@687 3336 }
adamc@717 3337
adamc@1065 3338 static int url_bad(uw_Basis_string s) {
adamc@1065 3339 for (; *s; ++s)
adamc@1153 3340 if (!isgraph((int)*s))
adamc@1065 3341 return 1;
adamc@1065 3342
adamc@1065 3343 return 0;
adamc@1065 3344 }
adamc@1065 3345
adamc@717 3346 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065 3347 if (url_bad(s))
adamc@1065 3348 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094 3349 if (ctx->app->check_url(s))
adamc@770 3350 return s;
adamc@770 3351 else
adamc@770 3352 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 3353 }
adamc@734 3354
adamc@770 3355 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065 3356 if (url_bad(s))
adamc@1065 3357 return NULL;
adamc@1094 3358 if (ctx->app->check_url(s))
adamc@770 3359 return s;
adamc@770 3360 else
adamc@770 3361 return NULL;
adamc@770 3362 }
adamc@770 3363
adam@1465 3364 static int mime_format(const char *s) {
adamc@770 3365 for (; *s; ++s)
adamc@1153 3366 if (!isalnum((int)*s) && *s != '/' && *s != '-' && *s != '.')
adamc@770 3367 return 0;
adamc@770 3368
adamc@770 3369 return 1;
adamc@770 3370 }
adamc@770 3371
adamc@741 3372 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3373 if (!mime_format(s))
adamc@770 3374 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 3375
adamc@1094 3376 if (ctx->app->check_mime(s))
adamc@770 3377 return s;
adamc@770 3378 else
adamc@770 3379 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 3380 }
adamc@770 3381
adamc@770 3382 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3383 if (!mime_format(s))
adamc@770 3384 return NULL;
adamc@770 3385
adamc@1094 3386 if (ctx->app->check_mime(s))
adamc@770 3387 return s;
adamc@770 3388 else
adamc@770 3389 return NULL;
adamc@741 3390 }
adamc@741 3391
adam@1465 3392 uw_Basis_string uw_Basis_blessRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3393 if (!mime_format(s))
adam@1465 3394 uw_error(ctx, FATAL, "Request header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3395
adam@1465 3396 if (ctx->app->check_requestHeader(s))
adam@1465 3397 return s;
adam@1465 3398 else
adam@1465 3399 uw_error(ctx, FATAL, "Disallowed request header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3400 }
adam@1465 3401
adam@1465 3402 uw_Basis_string uw_Basis_checkRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3403 if (!mime_format(s))
adam@1465 3404 return NULL;
adam@1465 3405
adam@1465 3406 if (ctx->app->check_requestHeader(s))
adam@1465 3407 return s;
adam@1465 3408 else
adam@1465 3409 return NULL;
adam@1465 3410 }
adam@1465 3411
adam@1465 3412 uw_Basis_string uw_Basis_blessResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3413 if (!mime_format(s))
adam@1465 3414 uw_error(ctx, FATAL, "Response header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3415
adam@1465 3416 if (ctx->app->check_responseHeader(s))
adam@1465 3417 return s;
adam@1465 3418 else
adam@1465 3419 uw_error(ctx, FATAL, "Disallowed response header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3420 }
adam@1465 3421
adam@1465 3422 uw_Basis_string uw_Basis_checkResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3423 if (!mime_format(s))
adam@1465 3424 return NULL;
adam@1465 3425
adam@1465 3426 if (ctx->app->check_responseHeader(s))
adam@1465 3427 return s;
adam@1465 3428 else
adam@1465 3429 return NULL;
adam@1465 3430 }
adam@1465 3431
adam@1465 3432 uw_Basis_string uw_Basis_getHeader(uw_context ctx, uw_Basis_string name) {
adam@1465 3433 return uw_Basis_requestHeader(ctx, name);
adam@1465 3434 }
adam@1465 3435
adam@1465 3436 static int mime_value_format(const char *s) {
adam@1465 3437 for (; *s; ++s)
adam@1465 3438 if (*s == '\r' || *s == '\n')
adam@1465 3439 return 0;
adam@1465 3440
adam@1465 3441 return 1;
adam@1465 3442 }
adam@1465 3443
adam@1465 3444 uw_unit uw_Basis_setHeader(uw_context ctx, uw_Basis_string name, uw_Basis_string value) {
adam@1465 3445 if (!mime_value_format(value))
adam@1465 3446 uw_error(ctx, FATAL, "Invalid value for HTTP response header");
adam@1465 3447
adam@1465 3448 uw_write_header(ctx, name);
adam@1465 3449 uw_write_header(ctx, ": ");
adam@1465 3450 uw_write_header(ctx, value);
adam@1465 3451 uw_write_header(ctx, "\r\n");
adam@1465 3452
adam@1465 3453 return uw_unit_v;
adam@1465 3454 }
adam@1465 3455
adamc@734 3456 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 3457 return s ? s : "";
adamc@734 3458 }
adamc@734 3459
adamc@734 3460 extern int uw_hash_blocksize;
adamc@734 3461
adamc@734 3462 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 3463 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 3464 int i;
adamc@734 3465
adamc@734 3466 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 3467 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 3468
adamc@734 3469 return r;
adamc@734 3470 }
adamc@734 3471
adam@1512 3472 /* This bit of crafty code is intended to prevent GCC from performing
adam@1512 3473 * optimizations that would enable timing attacks. See:
adam@1512 3474 * http://www.impredicative.com/pipermail/ur/2011-July/000659.html
adam@1512 3475 */
adam@1512 3476 int uw_streq(uw_Basis_string s1, uw_Basis_string s2) {
adam@1512 3477 int i, x = 0, len1 = strlen(s1);
adam@1512 3478
adam@1512 3479 if (len1 != strlen(s2)) return 0;
adam@1512 3480
adam@1512 3481 for (i = 0; i < len1; ++i) {
adam@1512 3482 __asm__ __volatile__ ("");
adam@1512 3483 x |= s1[i] ^ s2[i];
adam@1512 3484 }
adam@1512 3485
adam@1512 3486 return x == 0;
adam@1512 3487 }
adam@1512 3488
adamc@734 3489 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adamc@1094 3490 return ctx->app->cookie_sig(ctx);
adamc@734 3491 }
adamc@737 3492
adamc@737 3493 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 3494 return f.name;
adamc@737 3495 }
adamc@737 3496
adamc@740 3497 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 3498 return f.type;
adamc@740 3499 }
adamc@740 3500
adamc@745 3501 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 3502 return b.size;
adamc@745 3503 }
adamc@745 3504
adamc@1119 3505 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119 3506 uw_Basis_blob b = {strlen(s), s};
adamc@1119 3507
adamc@1119 3508 return b;
adamc@1119 3509 }
adamc@1119 3510
adamc@737 3511 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 3512 return f.data;
adamc@737 3513 }
adamc@741 3514
adam@1347 3515 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3516 return pb.type;
adam@1347 3517 }
adam@1347 3518
adam@1347 3519 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3520 return pb.data;
adam@1347 3521 }
adam@1347 3522
adam@1471 3523 static char *old_headers(uw_context ctx) {
adam@1471 3524 if (uw_buffer_used(&ctx->outHeaders) == 0)
adam@1471 3525 return NULL;
adam@1471 3526 else {
adam@1471 3527 char *s = strchr(ctx->outHeaders.start, '\n');
adam@1471 3528
adam@1471 3529 if (s == NULL || strncasecmp(s+1, "Content-type: ", 14))
adam@1471 3530 return NULL;
adam@1471 3531 else {
adam@1471 3532 s = strchr(s+15, '\n');
adam@1471 3533 if (s == NULL)
adam@1471 3534 return NULL;
adam@1471 3535 else
adam@1471 3536 return uw_strdup(ctx, s+1);
adam@1471 3537 }
adam@1471 3538 }
adam@1471 3539 }
adam@1471 3540
adamc@741 3541 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 3542 cleanup *cl;
adamc@741 3543 int len;
adam@1471 3544 char *oldh;
adamc@741 3545
adam@1451 3546 if (!ctx->allowed_to_return_indirectly)
adam@1451 3547 uw_error(ctx, FATAL, "Tried to return a blob from an RPC");
adam@1451 3548
adamc@1065 3549 ctx->returning_indirectly = 1;
adam@1471 3550 oldh = old_headers(ctx);
adam@1369 3551 uw_buffer_reset(&ctx->outHeaders);
adam@1369 3552 uw_buffer_reset(&ctx->page);
adamc@741 3553
adamc@856 3554 uw_write_header(ctx, on_success);
adamc@856 3555 uw_write_header(ctx, "Content-Type: ");
adamc@741 3556 uw_write_header(ctx, mimeType);
adamc@741 3557 uw_write_header(ctx, "\r\nContent-Length: ");
adam@1369 3558 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134 3559 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741 3560 ctx->outHeaders.front += len;
adamc@1066 3561 uw_write_header(ctx, "\r\n");
adam@1471 3562 if (oldh) uw_write_header(ctx, oldh);
adamc@741 3563
adam@1369 3564 ctx_uw_buffer_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741 3565
adamc@741 3566 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 3567 cl->func(cl->arg);
adamc@741 3568
adamc@741 3569 ctx->cleanup_front = ctx->cleanup;
adamc@741 3570
adamc@1065 3571 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065 3572 }
adamc@1065 3573
adamc@1065 3574 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065 3575 cleanup *cl;
adamc@1066 3576 char *s;
adam@1471 3577 char *oldh;
adamc@1065 3578
adam@1451 3579 if (!ctx->allowed_to_return_indirectly)
adam@1451 3580 uw_error(ctx, FATAL, "Tried to redirect from an RPC");
adam@1451 3581
adamc@1065 3582 ctx->returning_indirectly = 1;
adam@1471 3583 oldh = old_headers(ctx);
adam@1369 3584 uw_buffer_reset(&ctx->page);
adam@1369 3585 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->outHeaders)+1);
adam@1369 3586 memcpy(ctx->page.start, ctx->outHeaders.start, uw_buffer_used(&ctx->outHeaders));
adam@1369 3587 ctx->page.start[uw_buffer_used(&ctx->outHeaders)] = 0;
adam@1369 3588 uw_buffer_reset(&ctx->outHeaders);
adamc@1065 3589
adam@1409 3590 if (on_success[0])
adam@1409 3591 uw_write_header(ctx, on_redirect);
adam@1409 3592 else
adam@1409 3593 uw_write_header(ctx, "Status: 303 See Other\r\n");
adam@1409 3594 s = on_success[0] ? strchr(ctx->page.start, '\n') : ctx->page.start;
adamc@1066 3595 if (s) {
adamc@1066 3596 char *s2;
adam@1409 3597 if (s[0] == '\n') ++s;
adam@1409 3598 for (; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066 3599 *s2 = 0;
adamc@1066 3600 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066 3601 uw_write_header(ctx, s);
adamc@1066 3602 uw_write_header(ctx, "\n");
adamc@1066 3603 }
adamc@1066 3604 }
adamc@1066 3605 }
adamc@1066 3606
adamc@1065 3607 uw_write_header(ctx, "Location: ");
adamc@1065 3608 uw_write_header(ctx, url);
adamc@1065 3609 uw_write_header(ctx, "\r\n\r\n");
adam@1471 3610 if (oldh) uw_write_header(ctx, oldh);
adamc@1065 3611
adamc@1065 3612 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065 3613 cl->func(cl->arg);
adamc@1065 3614
adamc@1065 3615 ctx->cleanup_front = ctx->cleanup;
adamc@1065 3616
adamc@1065 3617 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741 3618 }
adamc@874 3619
adamc@874 3620 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adam@1467 3621 uw_Basis_string ret = uw_malloc(ctx, strlen(s) + 1), r = ret;
adamc@874 3622
adamc@874 3623 for (; *s; ++s) {
adamc@874 3624 if (s[0] == '\'') {
adamc@874 3625 *r++ = '\'';
adamc@874 3626 for (++s; *s; ++s) {
adamc@874 3627 if (s[0] == '\'') {
adamc@874 3628 *r++ = '\'';
adamc@874 3629 break;
adamc@874 3630 } else if (s[0] == '\\') {
adam@1467 3631 *r++ = '\\';
adam@1467 3632 *r++ = s[1];
adam@1467 3633 ++s;
adamc@874 3634 } else
adamc@874 3635 *r++ = s[0];
adamc@874 3636 }
adamc@874 3637 if (*s == 0) break;
adam@1467 3638 } else if (s[0] == 'T' && s[1] == '_' && s[2] == 'T' && s[3] == '.')
adam@1467 3639 s += 3;
adamc@874 3640 else
adamc@874 3641 *r++ = s[0];
adamc@874 3642 }
adamc@874 3643
adam@1467 3644 *r = 0;
adam@1467 3645 return ret;
adamc@874 3646 }
adamc@874 3647
adamc@922 3648 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922 3649 va_list ap;
adamc@922 3650 size_t len = 1;
adamc@922 3651 char *s, *r, *s2;
adamc@922 3652
adamc@922 3653 va_start(ap, ctx);
adamc@922 3654 for (s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3655 len += strlen(s);
adamc@922 3656 va_end(ap);
adamc@922 3657
adamc@922 3658 r = uw_malloc(ctx, len);
adamc@922 3659 va_start(ap, ctx);
adamc@922 3660 for (s2 = r, s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3661 while (*s)
adamc@922 3662 *s2++ = *s++;
adamc@922 3663 va_end(ap);
adamc@922 3664 *s2 = 0;
adamc@922 3665
adamc@922 3666 return r;
adamc@922 3667 }
adamc@1006 3668
adam@1365 3669 const uw_Basis_time uw_Basis_minTime = {};
adamc@1050 3670
adamc@1006 3671 uw_Basis_time uw_Basis_now(uw_context ctx) {
adam@1365 3672 uw_Basis_time r = { time(NULL) };
adam@1365 3673 return r;
adamc@1006 3674 }
adamc@1061 3675
adam@1369 3676 uw_Basis_time uw_Basis_addSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adam@1369 3677 tm.seconds += n;
adam@1365 3678 return tm;
adamc@1138 3679 }
adamc@1138 3680
adam@1514 3681 uw_Basis_int uw_Basis_diffInSeconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1514 3682 return difftime(tm2.seconds, tm1.seconds);
adam@1514 3683 }
adam@1514 3684
adam@1514 3685 uw_Basis_int uw_Basis_toSeconds(uw_context ctx, uw_Basis_time tm) {
adam@1514 3686 return tm.seconds;
adam@1514 3687 }
adam@1514 3688
adamc@1061 3689 void *uw_get_global(uw_context ctx, char *name) {
adamc@1061 3690 int i;
adamc@1061 3691
adamc@1061 3692 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3693 if (!strcmp(name, ctx->globals[i].name))
adamc@1061 3694 return ctx->globals[i].data;
adamc@1061 3695
adamc@1061 3696 return NULL;
adamc@1061 3697 }
adamc@1061 3698
adamc@1113 3699 size_t uw_globals_max = SIZE_MAX;
adamc@1113 3700
adamc@1061 3701 void uw_set_global(uw_context ctx, char *name, void *data, void (*free)(void*)) {
adamc@1061 3702 int i;
adamc@1061 3703
adamc@1061 3704 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3705 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089 3706 if (ctx->globals[i].free)
adamc@1061 3707 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061 3708 ctx->globals[i].data = data;
adamc@1061 3709 ctx->globals[i].free = free;
adamc@1061 3710 return;
adamc@1061 3711 }
adamc@1089 3712
adamc@1113 3713 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113 3714 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113 3715
adamc@1061 3716 ++ctx->n_globals;
adamc@1061 3717 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061 3718 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061 3719 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061 3720 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061 3721 }
adamc@1061 3722
adamc@1061 3723 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153 3724 return !!isalnum((int)c);
adamc@1061 3725 }
adamc@1061 3726
adamc@1061 3727 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153 3728 return !!isalpha((int)c);
adamc@1061 3729 }
adamc@1061 3730
adamc@1061 3731 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153 3732 return !!isblank((int)c);
adamc@1061 3733 }
adamc@1061 3734
adamc@1061 3735 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153 3736 return !!iscntrl((int)c);
adamc@1061 3737 }
adamc@1061 3738
adamc@1061 3739 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3740 return !!isdigit((int)c);
adamc@1061 3741 }
adamc@1061 3742
adamc@1061 3743 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153 3744 return !!isgraph((int)c);
adamc@1061 3745 }
adamc@1061 3746
adamc@1061 3747 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3748 return !!islower((int)c);
adamc@1061 3749 }
adamc@1061 3750
adamc@1061 3751 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153 3752 return !!isprint((int)c);
adamc@1061 3753 }
adamc@1061 3754
adamc@1061 3755 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153 3756 return !!ispunct((int)c);
adamc@1061 3757 }
adamc@1061 3758
adamc@1061 3759 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153 3760 return !!isspace((int)c);
adamc@1061 3761 }
adamc@1063 3762
adamc@1061 3763 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3764 return !!isupper((int)c);
adamc@1061 3765 }
adamc@1061 3766
adamc@1061 3767 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3768 return !!isxdigit((int)c);
adamc@1061 3769 }
adamc@1061 3770
adamc@1061 3771 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3772 return tolower((int)c);
adamc@1061 3773 }
adamc@1061 3774
adamc@1061 3775 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3776 return toupper((int)c);
adamc@1061 3777 }
adamc@1066 3778
adamc@1128 3779 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128 3780 return (unsigned char)c;
adamc@1128 3781 }
adamc@1128 3782
adamc@1128 3783 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128 3784 return n;
adamc@1128 3785 }
adamc@1128 3786
adamc@1066 3787 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066 3788 return ctx->current_url;
adamc@1066 3789 }
adamc@1066 3790
adamc@1066 3791 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066 3792 ctx->current_url = s;
adamc@1066 3793 }
adamc@1114 3794
adamc@1114 3795 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114 3796 ctx->deadline = n;
adamc@1114 3797 }
adamc@1114 3798
adamc@1114 3799 void uw_check_deadline(uw_context ctx) {
adamc@1114 3800 if (uw_time > ctx->deadline)
adamc@1114 3801 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114 3802 }
adamc@1115 3803
adamc@1115 3804 size_t uw_database_max = SIZE_MAX;
adamc@1120 3805
adam@1389 3806 uw_Basis_int uw_Basis_naughtyDebug(uw_context ctx, uw_Basis_string s) {
adam@1389 3807 fprintf(stderr, "%s\n", s);
adam@1389 3808 return 0;
adam@1389 3809 }
adam@1389 3810
adamc@1120 3811 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
adam@1334 3812 if (ctx->log_debug)
adam@1334 3813 ctx->log_debug(ctx->logger_data, "%s\n", s);
adam@1334 3814 else
adam@1334 3815 fprintf(stderr, "%s\n", s);
adamc@1120 3816 return uw_unit_v;
adamc@1120 3817 }
adamc@1250 3818
adamc@1250 3819 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adam@1486 3820 uw_Basis_int ret;
adam@1486 3821 int r = RAND_bytes((unsigned char *)&ret, sizeof ret);
adam@1486 3822
adam@1486 3823 if (r)
adam@1486 3824 return abs(ret);
adam@1486 3825 else
adam@1486 3826 uw_error(ctx, FATAL, "Random number generation failed");
adamc@1250 3827 }
adam@1347 3828
adam@1347 3829 void uw_noPostBody(uw_context ctx) {
adam@1347 3830 ctx->hasPostBody = 0;
adam@1347 3831 }
adam@1347 3832
adam@1347 3833 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3834 ctx->hasPostBody = 1;
adam@1347 3835 ctx->postBody = pb;
adam@1347 3836 }
adam@1347 3837
adam@1347 3838 int uw_hasPostBody(uw_context ctx) {
adam@1347 3839 return ctx->hasPostBody;
adam@1347 3840 }
adam@1347 3841
adam@1386 3842 void uw_isPost(uw_context ctx) {
adam@1386 3843 ctx->isPost = 1;
adam@1386 3844 }
adam@1386 3845
adam@1386 3846 uw_Basis_bool uw_Basis_currentUrlHasPost(uw_context ctx) {
adam@1386 3847 return ctx->isPost;
adam@1386 3848 }
adam@1386 3849
adam@1485 3850 uw_Basis_bool uw_Basis_currentUrlHasQueryString(uw_context ctx) {
adam@1485 3851 return ctx->queryString != NULL && ctx->queryString[0] != 0;
adam@1485 3852 }
adam@1485 3853
adam@1370 3854 void uw_setQueryString(uw_context ctx, uw_Basis_string s) {
adam@1370 3855 ctx->queryString = s;
adam@1370 3856 }
adam@1370 3857
adam@1370 3858 uw_Basis_string uw_queryString(uw_context ctx) {
adam@1370 3859 return ctx->queryString;
adam@1370 3860 }
adam@1370 3861
adam@1347 3862 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347 3863 if (ctx->hasPostBody)
adam@1347 3864 return ctx->postBody;
adam@1347 3865 else
adam@1347 3866 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347 3867 }
adam@1349 3868
adam@1349 3869 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349 3870 int r = setjmp(ctx->jmp_buf);
adam@1349 3871
adam@1349 3872 if (r == 0) {
adam@1418 3873 if (ctx->app->db_begin(ctx))
adam@1418 3874 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1418 3875
adam@1349 3876 callback(ctx);
adam@1349 3877 }
adam@1349 3878
adam@1349 3879 return r;
adam@1349 3880 }
adam@1360 3881
adam@1360 3882 uw_Basis_string uw_Basis_crypt(uw_context ctx, uw_Basis_string key, uw_Basis_string salt) {
adam@1397 3883 char buf[14];
adam@1397 3884 return uw_strdup(ctx, DES_fcrypt(key, salt, buf));
adam@1360 3885 }
adam@1365 3886
adam@1365 3887 uw_Basis_bool uw_Basis_eq_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3888 return !!(t1.seconds == t2.seconds && t1.microseconds == t2.microseconds);
adam@1365 3889 }
adam@1365 3890
adam@1365 3891 uw_Basis_bool uw_Basis_lt_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3892 return !!(t1.seconds < t2.seconds || t1.microseconds < t2.microseconds);
adam@1365 3893 }
adam@1365 3894
adam@1365 3895 uw_Basis_bool uw_Basis_le_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3896 return !!(uw_Basis_eq_time(ctx, t1, t2) || uw_Basis_lt_time(ctx, t1, t2));
adam@1365 3897 }
adam@1365 3898
adam@1372 3899 uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374 3900 struct tm stm = {};
adam@1375 3901 char *end = strchr(s, 0);
adam@1449 3902 stm.tm_isdst = -1;
adam@1375 3903
adam@1375 3904 if (strptime(s, TIME_FMT_PG, &stm) == end || strptime(s, TIME_FMT, &stm) == end) {
adam@1373 3905 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1375 3906
kkallio@1448 3907 r->seconds = timegm(&stm);
adam@1373 3908 r->microseconds = 0;
adam@1373 3909
adam@1373 3910 return r;
adam@1374 3911 }
adam@1374 3912 else
adam@1373 3913 return NULL;
adam@1372 3914 }
adam@1407 3915
adam@1407 3916 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 3917
adam@1407 3918 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1407 3919 int r = setjmp(ctx->jmp_buf);
adam@1407 3920
adam@1407 3921 if (ctx->app->on_error) {
adam@1407 3922 if (r == 0) {
adam@1407 3923 if (ctx->app->db_begin(ctx))
adam@1407 3924 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1407 3925
adam@1409 3926 uw_buffer_reset(&ctx->outHeaders);
adam@1409 3927 if (on_success[0])
adam@1409 3928 uw_write_header(ctx, "HTTP/1.1 ");
adam@1409 3929 else
adam@1409 3930 uw_write_header(ctx, "Status: ");
adam@1409 3931 uw_write_header(ctx, "500 Internal Server Error\r\n");
adam@1407 3932 uw_write_header(ctx, "Content-type: text/html\r\n\r\n");
adam@1407 3933 uw_write(ctx, begin_xhtml);
adam@1407 3934 ctx->app->on_error(ctx, msg);
adam@1407 3935 uw_write(ctx, "</html>");
adam@1407 3936 }
adam@1407 3937
adam@1407 3938 return r;
adam@1407 3939 } else
adam@1407 3940 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1407 3941 }
adam@1451 3942
adam@1451 3943 void uw_mayReturnIndirectly(uw_context ctx) {
adam@1451 3944 ctx->allowed_to_return_indirectly = 1;
adam@1451 3945 }
adam@1483 3946
adam@1483 3947 void uw_cutErrorLocation(char *s) {
adam@1483 3948 char *s2;
adam@1483 3949
adam@1483 3950 s2 = strstr(s, ": ");
adam@1483 3951 if (s2 == NULL || strcspn(s, "<&") < s2 - s)
adam@1483 3952 return;
adam@1483 3953
adam@1483 3954 memmove(s, s2+2, strlen(s2+2)+1);
adam@1483 3955 }
adam@1556 3956
adam@1556 3957 uw_Basis_string uw_Basis_fresh(uw_context ctx) {
adam@1556 3958 return uw_Basis_htmlifyInt(ctx, ctx->nextId++);
adam@1556 3959 }
adam@1571 3960
adam@1571 3961 uw_Basis_float uw_Basis_floatFromInt(uw_context ctx, uw_Basis_int n) {
adam@1571 3962 return n;
adam@1571 3963 }
adam@1571 3964
adam@1571 3965 uw_Basis_int uw_Basis_ceil(uw_context ctx, uw_Basis_float n) {
adam@1571 3966 return ceil(n);
adam@1571 3967 }
adam@1571 3968
adam@1571 3969 uw_Basis_int uw_Basis_trunc(uw_context ctx, uw_Basis_float n) {
adam@1571 3970 return trunc(n);
adam@1571 3971 }
adam@1571 3972
adam@1571 3973 uw_Basis_int uw_Basis_round(uw_context ctx, uw_Basis_float n) {
adam@1571 3974 return round(n);
adam@1571 3975 }