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annotate src/c/urweb.c @ 1749:f9e5a8e09cdf

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Simplify type of Basis.tag, regarding 'class' attribute; new compatibility parsing of 'class' values given as string literals
author Adam Chlipala <adam@chlipala.net>
date Sun, 06 May 2012 13:07:13 -0400
parents 6817ddd6cf1f
children e9587120831a
rev   line source
adamc@1268 1 #include "config.h"
adamc@1268 2
adamc@117 3 #include <stdlib.h>
adamc@102 4 #include <stdio.h>
adamc@117 5 #include <string.h>
adamc@457 6 #include <strings.h>
adamc@106 7 #include <ctype.h>
adamc@167 8 #include <setjmp.h>
adamc@167 9 #include <stdarg.h>
adamc@682 10 #include <assert.h>
adamc@741 11 #include <ctype.h>
adamc@1114 12 #include <limits.h>
adamc@1113 13 #include <stdint.h>
adamc@1094 14 #include <sys/types.h>
adamc@1094 15 #include <sys/socket.h>
adam@1397 16 #include <openssl/des.h>
adam@1486 17 #include <openssl/rand.h>
adam@1374 18 #include <time.h>
adam@1571 19 #include <math.h>
adamc@102 20
adamc@667 21 #include <pthread.h>
adamc@667 22
adamc@102 23 #include "types.h"
adamc@102 24
adam@1431 25 uw_unit uw_unit_v = 0;
adamc@102 26
adamc@667 27
adamc@667 28 // Socket extras
adamc@667 29
adamc@863 30 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667 31 while (len > 0) {
adamc@856 32 ssize_t n = send(sock, buf, len, 0);
adamc@856 33
adamc@856 34 if (n < 0)
adamc@856 35 return n;
adamc@856 36
adamc@856 37 buf += n;
adamc@856 38 len -= n;
adamc@856 39 }
adamc@856 40
adamc@856 41 return 0;
adamc@856 42 }
adamc@856 43
adamc@856 44 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856 45 while (len > 0) {
adamc@856 46 ssize_t n = write(fd, buf, len);
adamc@667 47
adamc@667 48 if (n < 0)
adamc@667 49 return n;
adamc@667 50
adamc@667 51 buf += n;
adamc@667 52 len -= n;
adamc@667 53 }
adamc@667 54
adamc@667 55 return 0;
adamc@667 56 }
adamc@667 57
adamc@667 58
adamc@667 59 // Buffers
adamc@667 60
adam@1369 61 void uw_buffer_init(size_t max, uw_buffer *b, size_t s) {
adamc@1113 62 b->max = max;
adamc@667 63 b->front = b->start = malloc(s);
adamc@667 64 b->back = b->front + s;
adamc@667 65 }
adamc@667 66
adam@1369 67 void uw_buffer_free(uw_buffer *b) {
adamc@667 68 free(b->start);
adamc@667 69 }
adamc@667 70
adam@1369 71 void uw_buffer_reset(uw_buffer *b) {
adamc@667 72 b->front = b->start;
adamc@667 73 }
adamc@667 74
adam@1369 75 int uw_buffer_check(uw_buffer *b, size_t extra) {
adamc@667 76 if (b->back - b->front < extra) {
adamc@667 77 size_t desired = b->front - b->start + extra, next;
adamc@667 78 char *new_heap;
adamc@667 79
adamc@667 80 next = b->back - b->start;
adamc@667 81 if (next == 0)
adamc@667 82 next = 1;
adamc@667 83 for (; next < desired; next *= 2);
adamc@667 84
adamc@1134 85 if (next > b->max) {
adamc@1113 86 if (desired <= b->max)
adamc@1113 87 next = desired;
adamc@1113 88 else
adamc@1113 89 return 1;
adamc@1134 90 }
adamc@1113 91
adamc@667 92 new_heap = realloc(b->start, next);
adamc@667 93 b->front = new_heap + (b->front - b->start);
adamc@667 94 b->back = new_heap + next;
adamc@667 95 b->start = new_heap;
adamc@667 96 }
adamc@1113 97
adamc@1113 98 return 0;
adamc@1113 99 }
adamc@1113 100
adamc@1113 101 __attribute__((noreturn)) void uw_error(uw_context, failure_kind, const char *, ...);
adamc@1113 102
adam@1369 103 static void ctx_uw_buffer_check(uw_context ctx, const char *kind, uw_buffer *b, size_t extra) {
adam@1369 104 if (uw_buffer_check(b, extra))
adamc@1113 105 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@667 106 }
adamc@667 107
adam@1369 108 size_t uw_buffer_used(uw_buffer *b) {
adamc@667 109 return b->front - b->start;
adamc@667 110 }
adamc@667 111
adam@1369 112 size_t uw_buffer_avail(uw_buffer *b) {
adamc@667 113 return b->back - b->start;
adamc@667 114 }
adamc@667 115
adam@1369 116 int uw_buffer_append(uw_buffer *b, const char *s, size_t len) {
adam@1369 117 if (uw_buffer_check(b, len+1))
adamc@1113 118 return 1;
adamc@1113 119
adamc@1113 120 memcpy(b->front, s, len);
adamc@1113 121 b->front += len;
adamc@1113 122 *b->front = 0;
adamc@1113 123
adamc@1113 124 return 0;
adamc@1113 125 }
adamc@1113 126
adam@1369 127 static void ctx_uw_buffer_append(uw_context ctx, const char *kind, uw_buffer *b, const char *s, size_t len) {
adam@1369 128 ctx_uw_buffer_check(ctx, kind, b, len+1);
adamc@1113 129
adamc@668 130 memcpy(b->front, s, len);
adamc@668 131 b->front += len;
adamc@672 132 *b->front = 0;
adamc@668 133 }
adamc@667 134
adamc@668 135
adamc@672 136 // Persistent state types
adamc@667 137
adamc@667 138 typedef enum { UNUSED, USED } usage;
adamc@667 139
adamc@667 140 typedef struct client {
adamc@682 141 unsigned id;
adamc@667 142 usage mode;
adamc@682 143 int pass;
adamc@682 144 struct client *next;
adamc@689 145 pthread_mutex_t lock, pull_lock;
adam@1369 146 uw_buffer msgs;
adamc@682 147 int sock;
adamc@863 148 int (*send)(int sockfd, const void *buf, ssize_t len);
adamc@863 149 int (*close)(int fd);
adamc@682 150 time_t last_contact;
adamc@682 151 unsigned n_channels;
adamc@685 152 unsigned refcount;
adamc@1121 153 void *data;
adamc@667 154 } client;
adamc@667 155
adamc@672 156
adamc@672 157 // Persistent client state
adamc@672 158
adamc@682 159 static client **clients, *clients_free, *clients_used;
adamc@682 160 static unsigned n_clients;
adamc@667 161
adam@1707 162 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@1113 163 size_t uw_messages_max = SIZE_MAX;
adamc@1113 164 size_t uw_clients_max = SIZE_MAX;
adamc@1113 165
adamc@1121 166 void *uw_init_client_data();
adamc@1121 167 void uw_free_client_data(void *);
adamc@1121 168 void uw_copy_client_data(void *dst, void *src);
adamc@1121 169
adamc@682 170 static client *new_client() {
adamc@667 171 client *c;
adamc@667 172
adamc@667 173 pthread_mutex_lock(&clients_mutex);
adamc@667 174
adamc@667 175 if (clients_free) {
adamc@667 176 c = clients_free;
adamc@682 177 clients_free = clients_free->next;
adamc@667 178 }
adam@1672 179 else if (n_clients >= uw_clients_max) {
adam@1672 180 pthread_mutex_unlock(&clients_mutex);
adamc@1113 181 return NULL;
adam@1672 182 } else {
adamc@667 183 ++n_clients;
adamc@667 184 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667 185 c = malloc(sizeof(client));
adamc@667 186 c->id = n_clients-1;
adamc@682 187 pthread_mutex_init(&c->lock, NULL);
adamc@689 188 pthread_mutex_init(&c->pull_lock, NULL);
adam@1369 189 uw_buffer_init(uw_messages_max, &c->msgs, 0);
adamc@667 190 clients[n_clients-1] = c;
adamc@667 191 }
adamc@667 192
adamc@682 193 pthread_mutex_lock(&c->lock);
adamc@667 194 c->mode = USED;
adamc@682 195 c->pass = rand();
adamc@682 196 c->sock = -1;
adamc@682 197 c->last_contact = time(NULL);
adam@1369 198 uw_buffer_reset(&c->msgs);
adamc@682 199 c->n_channels = 0;
adamc@685 200 c->refcount = 0;
adamc@1121 201 c->data = uw_init_client_data();
adamc@682 202 pthread_mutex_unlock(&c->lock);
adamc@682 203
adamc@682 204 c->next = clients_used;
adamc@682 205 clients_used = c;
adamc@667 206
adamc@667 207 pthread_mutex_unlock(&clients_mutex);
adamc@667 208
adamc@667 209 return c;
adamc@667 210 }
adamc@667 211
adamc@685 212 static void use_client(client *c) {
adamc@685 213 pthread_mutex_lock(&c->lock);
adamc@685 214 ++c->refcount;
adamc@685 215 pthread_mutex_unlock(&c->lock);
adamc@689 216 pthread_mutex_lock(&c->pull_lock);
adamc@685 217 }
adamc@685 218
adamc@685 219 static void release_client(client *c) {
adamc@689 220 pthread_mutex_unlock(&c->pull_lock);
adamc@685 221 pthread_mutex_lock(&c->lock);
adamc@685 222 --c->refcount;
adamc@685 223 pthread_mutex_unlock(&c->lock);
adamc@685 224 }
adamc@685 225
adamc@856 226 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adam@1707 227 static pthread_t pruning_thread;
adam@1707 228 static int pruning_thread_initialized = 0;
adamc@667 229
adamc@682 230 static client *find_client(unsigned id) {
adamc@667 231 client *c;
adam@1708 232 int i_am_pruner = pruning_thread_initialized && pthread_equal(pruning_thread, pthread_self());
adam@1708 233
adam@1708 234 if (!i_am_pruner) pthread_mutex_lock(&clients_mutex);
adamc@667 235
adamc@667 236 if (id >= n_clients) {
adam@1708 237 if (!i_am_pruner) pthread_mutex_unlock(&clients_mutex);
adamc@668 238 return NULL;
adamc@667 239 }
adamc@667 240
adamc@667 241 c = clients[id];
adamc@667 242
adam@1708 243 if (!i_am_pruner) pthread_mutex_unlock(&clients_mutex);
adamc@668 244 return c;
adamc@668 245 }
adamc@668 246
adamc@856 247 static char *on_success = "HTTP/1.1 200 OK\r\n";
adam@1409 248 static char *on_redirect = "HTTP/1.1 303 See Other\r\n";
adamc@856 249
adamc@856 250 void uw_set_on_success(char *s) {
adamc@856 251 on_success = s;
adamc@856 252 }
adamc@856 253
adam@1552 254 static void chastise(int (*send)(int sockfd, const void *buf, ssize_t len), int sock) {
adam@1552 255 send(sock, on_success, strlen(on_success));
adam@1552 256 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1552 257 send(sock, "R", 1);
adam@1552 258 close(sock);
adam@1552 259 }
adam@1552 260
adamc@863 261 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863 262 int (*send)(int sockfd, const void *buf, ssize_t len),
adamc@864 263 int (*close)(int fd),
adamc@864 264 void *logger_data, uw_logger log_error) {
adamc@682 265 client *c = find_client(id);
adamc@668 266
adamc@668 267 if (c == NULL) {
adam@1552 268 chastise(send, sock);
adamc@864 269 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667 270 return;
adamc@667 271 }
adamc@667 272
adamc@682 273 pthread_mutex_lock(&c->lock);
adamc@671 274
adamc@682 275 if (c->mode != USED) {
adamc@682 276 pthread_mutex_unlock(&c->lock);
adam@1552 277 chastise(send, sock);
adamc@864 278 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667 279 return;
adamc@667 280 }
adamc@667 281
adamc@682 282 if (pass != c->pass) {
adamc@682 283 pthread_mutex_unlock(&c->lock);
adam@1552 284 chastise(send, sock);
adamc@864 285 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682 286 return;
adamc@667 287 }
adamc@667 288
adamc@682 289 if (c->sock != -1) {
adamc@863 290 c->close(c->sock);
adamc@682 291 c->sock = -1;
adamc@682 292 }
adamc@667 293
adamc@682 294 c->last_contact = time(NULL);
adamc@682 295
adam@1369 296 if (uw_buffer_used(&c->msgs) > 0) {
adamc@863 297 send(sock, on_success, strlen(on_success));
adamc@863 298 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1369 299 send(sock, c->msgs.start, uw_buffer_used(&c->msgs));
adam@1369 300 uw_buffer_reset(&c->msgs);
adamc@667 301 close(sock);
adamc@667 302 }
adamc@863 303 else {
adamc@682 304 c->sock = sock;
adamc@863 305 c->send = send;
adamc@863 306 c->close = close;
adamc@863 307 }
adamc@667 308
adamc@682 309 pthread_mutex_unlock(&c->lock);
adamc@667 310 }
adamc@667 311
adamc@682 312 static void free_client(client *c) {
adamc@682 313 c->mode = UNUSED;
adamc@682 314 c->pass = -1;
adamc@667 315
adamc@682 316 c->next = clients_free;
adamc@682 317 clients_free = c;
adamc@667 318 }
adamc@667 319
adamc@682 320 static uw_Basis_channel new_channel(client *c) {
adamc@682 321 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668 322 return ch;
adamc@668 323 }
adamc@668 324
adam@1447 325 static void client_send(client *c, uw_buffer *msg, const char *script, int script_len) {
adamc@685 326 pthread_mutex_lock(&c->lock);
adamc@671 327
adamc@682 328 if (c->sock != -1) {
adamc@863 329 c->send(c->sock, on_success, strlen(on_success));
adamc@863 330 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1447 331 if (script_len > 0) {
adam@1447 332 c->send(c->sock, "E\n", 2);
adam@1447 333 c->send(c->sock, script, script_len);
adam@1447 334 c->send(c->sock, "\n", 1);
adam@1447 335 }
adam@1369 336 c->send(c->sock, msg->start, uw_buffer_used(msg));
adamc@863 337 c->close(c->sock);
adamc@682 338 c->sock = -1;
adam@1665 339 } else if (uw_buffer_append(&c->msgs, msg->start, uw_buffer_used(msg)))
adamc@1113 340 fprintf(stderr, "Client message buffer size exceeded");
adamc@671 341
adamc@685 342 pthread_mutex_unlock(&c->lock);
adamc@668 343 }
adamc@668 344
adamc@668 345
adamc@668 346 // Global entry points
adamc@668 347
adamc@1164 348 extern void uw_global_custom();
adamc@1104 349 extern void uw_init_crypto();
adamc@1104 350
adamc@668 351 void uw_global_init() {
adamc@668 352 srand(time(NULL) ^ getpid());
adamc@668 353
adamc@668 354 clients = malloc(0);
adamc@1104 355
adamc@1164 356 uw_global_custom();
adamc@1104 357 uw_init_crypto();
adamc@1094 358 }
adamc@1094 359
adamc@1094 360 void uw_app_init(uw_app *app) {
adamc@1094 361 app->client_init();
adamc@668 362 }
adamc@668 363
adam@1332 364 int uw_time = 0, uw_time_max = 0, uw_min_heap = 0;
adamc@1114 365
adamc@668 366
adamc@667 367 // Single-request state
adamc@667 368
adamc@323 369 typedef struct regions {
adamc@323 370 struct regions *next;
adamc@323 371 } regions;
adamc@323 372
adamc@425 373 typedef struct {
adamc@425 374 void (*func)(void*);
adamc@425 375 void *arg;
adamc@425 376 } cleanup;
adamc@425 377
adamc@671 378 typedef struct {
adamc@682 379 unsigned client;
adam@1369 380 uw_buffer msgs;
adamc@682 381 } delta;
adamc@671 382
adamc@737 383 typedef enum {
adamc@759 384 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737 385 } input_kind;
adamc@737 386
adamc@756 387 typedef struct input {
adamc@737 388 input_kind kind;
adamc@737 389 union {
adamc@737 390 char *normal;
adamc@739 391 uw_Basis_file file;
adamc@756 392 struct {
adamc@759 393 struct input *fields, *parent;
adamc@756 394 } subform;
adamc@759 395 struct {
adamc@759 396 struct input *entries, *parent;
adamc@759 397 } subforms;
adamc@759 398 struct {
adamc@759 399 struct input *fields, *next, *parent;
adamc@759 400 } entry;
adamc@737 401 } data;
adamc@737 402 } input;
adamc@737 403
adamc@771 404 typedef struct {
adamc@771 405 void *data;
adam@1327 406 uw_callback commit, rollback;
adam@1327 407 uw_callback_with_retry free;
adamc@771 408 } transactional;
adamc@771 409
adamc@1061 410 typedef struct {
adamc@1061 411 char *name;
adamc@1061 412 void *data;
adamc@1061 413 void (*free)(void*);
adamc@1061 414 } global;
adamc@1061 415
adamc@311 416 struct uw_context {
adamc@1094 417 uw_app *app;
adam@1446 418 int id;
adamc@1094 419
adamc@854 420 char *(*get_header)(void *, const char *);
adamc@854 421 void *get_header_data;
adamc@457 422
adam@1369 423 uw_buffer outHeaders, page, heap, script;
adam@1451 424 int allowed_to_return_indirectly, returning_indirectly;
adamc@759 425 input *inputs, *subinputs, *cur_container;
adamc@1094 426 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167 427
adam@1446 428 unsigned long long source_count;
adamc@562 429
adamc@272 430 void *db;
adamc@272 431
adamc@167 432 jmp_buf jmp_buf;
adamc@167 433
adamc@323 434 regions *regions;
adamc@323 435
adamc@425 436 cleanup *cleanup, *cleanup_front, *cleanup_back;
adamc@425 437
adamc@1094 438 const char *script_header;
adamc@643 439
adamc@736 440 int needs_push, needs_sig;
adamc@693 441
adamc@682 442 size_t n_deltas, used_deltas;
adamc@682 443 delta *deltas;
adamc@671 444
adamc@682 445 client *client;
adamc@682 446
adamc@771 447 transactional *transactionals;
adamc@771 448 size_t n_transactionals, used_transactionals;
adamc@771 449
adamc@1061 450 global *globals;
adamc@1061 451 size_t n_globals;
adamc@1061 452
adamc@1066 453 char *current_url;
adamc@1066 454
adamc@1114 455 int deadline;
adamc@1114 456
adamc@1121 457 void *client_data;
adamc@1121 458
adam@1334 459 void *logger_data;
adam@1334 460 uw_logger log_debug;
adam@1334 461
adam@1386 462 int isPost, hasPostBody;
adam@1347 463 uw_Basis_postBody postBody;
adam@1370 464 uw_Basis_string queryString;
adam@1347 465
adam@1556 466 unsigned nextId;
adam@1556 467
adamc@167 468 char error_message[ERROR_BUF_LEN];
adamc@117 469 };
adamc@117 470
adamc@1113 471 size_t uw_headers_max = SIZE_MAX;
adamc@1113 472 size_t uw_page_max = SIZE_MAX;
adamc@1113 473 size_t uw_heap_max = SIZE_MAX;
adamc@1113 474 size_t uw_script_max = SIZE_MAX;
adamc@1113 475
adam@1446 476 uw_context uw_init(int id, void *logger_data, uw_logger log_debug) {
adamc@311 477 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 478
adamc@1094 479 ctx->app = NULL;
adam@1446 480 ctx->id = id;
adamc@1094 481
adamc@854 482 ctx->get_header = NULL;
adamc@854 483 ctx->get_header_data = NULL;
adamc@457 484
adam@1413 485 uw_buffer_init(uw_headers_max, &ctx->outHeaders, 1);
adam@1413 486 ctx->outHeaders.start[0] = 0;
adam@1413 487 uw_buffer_init(uw_page_max, &ctx->page, 1);
adam@1413 488 ctx->page.start[0] = 0;
adam@1451 489 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 490 uw_buffer_init(uw_heap_max, &ctx->heap, uw_min_heap);
adam@1369 491 uw_buffer_init(uw_script_max, &ctx->script, 1);
adamc@667 492 ctx->script.start[0] = 0;
adamc@136 493
adamc@1094 494 ctx->inputs = malloc(0);
adamc@759 495 ctx->cur_container = NULL;
adamc@756 496 ctx->subinputs = malloc(0);
adamc@1094 497 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 498
adamc@272 499 ctx->db = NULL;
adamc@272 500
adamc@323 501 ctx->regions = NULL;
adamc@323 502
adamc@425 503 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 504
adamc@643 505 ctx->script_header = "";
adamc@693 506 ctx->needs_push = 0;
adamc@736 507 ctx->needs_sig = 0;
adamc@1104 508
adamc@565 509 ctx->source_count = 0;
adamc@562 510
adamc@682 511 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 512 ctx->deltas = malloc(0);
adamc@671 513
adamc@700 514 ctx->client = NULL;
adamc@700 515
adamc@700 516 ctx->error_message[0] = 0;
adamc@700 517
adamc@771 518 ctx->transactionals = malloc(0);
adamc@771 519 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 520
adamc@1061 521 ctx->globals = malloc(0);
adamc@1061 522 ctx->n_globals = 0;
adamc@1061 523
adamc@1066 524 ctx->current_url = "";
adamc@1066 525
adamc@1114 526 ctx->deadline = INT_MAX;
adamc@1114 527
adamc@1121 528 ctx->client_data = uw_init_client_data();
adamc@1121 529
adam@1334 530 ctx->logger_data = logger_data;
adam@1334 531 ctx->log_debug = log_debug;
adam@1334 532
adam@1386 533 ctx->isPost = ctx->hasPostBody = 0;
adam@1347 534
adam@1370 535 ctx->queryString = NULL;
adam@1370 536
adam@1556 537 ctx->nextId = 0;
adam@1556 538
adamc@117 539 return ctx;
adamc@106 540 }
adamc@106 541
adamc@1113 542 size_t uw_inputs_max = SIZE_MAX;
adamc@1113 543
adamc@1121 544 uw_app *uw_get_app(uw_context ctx) {
adamc@1121 545 return ctx->app;
adamc@1121 546 }
adamc@1121 547
adamc@1113 548 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094 549 ctx->app = app;
adamc@1094 550
adamc@1105 551 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113 552 if (app->inputs_len > uw_inputs_max)
adamc@1113 553 return 1;
adamc@1113 554
adamc@1094 555 ctx->sz_inputs = app->inputs_len;
adamc@1094 556 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094 557 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094 558 }
adamc@1134 559
adamc@1134 560 return 0;
adamc@1094 561 }
adamc@1094 562
adamc@1121 563 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121 564 uw_copy_client_data(ctx->client_data, data);
adamc@1121 565 }
adamc@1121 566
adamc@311 567 void uw_set_db(uw_context ctx, void *db) {
adamc@272 568 ctx->db = db;
adamc@272 569 }
adamc@272 570
adamc@311 571 void *uw_get_db(uw_context ctx) {
adamc@272 572 return ctx->db;
adamc@272 573 }
adamc@272 574
adamc@311 575 void uw_free(uw_context ctx) {
adamc@671 576 size_t i;
adamc@671 577
adam@1369 578 uw_buffer_free(&ctx->outHeaders);
adam@1369 579 uw_buffer_free(&ctx->script);
adam@1369 580 uw_buffer_free(&ctx->page);
adam@1369 581 uw_buffer_free(&ctx->heap);
adamc@144 582 free(ctx->inputs);
adamc@756 583 free(ctx->subinputs);
adamc@425 584 free(ctx->cleanup);
adamc@771 585 free(ctx->transactionals);
adamc@1121 586 uw_free_client_data(ctx->client_data);
adamc@671 587
adamc@682 588 for (i = 0; i < ctx->n_deltas; ++i)
adam@1369 589 uw_buffer_free(&ctx->deltas[i].msgs);
marco-oweber@1330 590 free(ctx->deltas);
adamc@671 591
adamc@1061 592 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089 593 if (ctx->globals[i].free)
adamc@1089 594 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330 595 free(ctx->globals);
adamc@1061 596
adamc@136 597 free(ctx);
adamc@136 598 }
adamc@136 599
adamc@562 600 void uw_reset_keep_error_message(uw_context ctx) {
adam@1369 601 uw_buffer_reset(&ctx->outHeaders);
adam@1369 602 uw_buffer_reset(&ctx->script);
adamc@667 603 ctx->script.start[0] = 0;
adam@1369 604 uw_buffer_reset(&ctx->page);
adam@1451 605 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 606 uw_buffer_reset(&ctx->heap);
adamc@323 607 ctx->regions = NULL;
adamc@425 608 ctx->cleanup_front = ctx->cleanup;
adamc@682 609 ctx->used_deltas = 0;
adamc@682 610 ctx->client = NULL;
adamc@759 611 ctx->cur_container = NULL;
adamc@771 612 ctx->used_transactionals = 0;
adamc@1117 613 ctx->script_header = "";
adam@1370 614 ctx->queryString = NULL;
adam@1556 615 ctx->nextId = 0;
adamc@167 616 }
adamc@167 617
adamc@562 618 void uw_reset_keep_request(uw_context ctx) {
adamc@562 619 uw_reset_keep_error_message(ctx);
adamc@562 620 ctx->error_message[0] = 0;
adamc@167 621 }
adamc@167 622
adamc@311 623 void uw_reset(uw_context ctx) {
adamc@311 624 uw_reset_keep_request(ctx);
adamc@1105 625 if (ctx->app)
adamc@1105 626 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756 627 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adam@1461 628 ctx->used_subinputs = ctx->hasPostBody = ctx->isPost = 0;
adamc@144 629 }
adamc@144 630
adamc@311 631 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 632 int r = setjmp(ctx->jmp_buf);
adamc@272 633
adamc@1105 634 if (r == 0 && ctx->app)
adamc@1094 635 ctx->app->db_init(ctx);
adamc@272 636
adamc@272 637 return r;
adamc@272 638 }
adamc@272 639
adamc@1118 640 void uw_close(uw_context ctx) {
adamc@1118 641 ctx->app->db_close(ctx);
adamc@1118 642 }
adamc@1118 643
adam@1446 644 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adam@1446 645 return ctx->get_header(ctx->get_header_data, h);
adam@1446 646 }
adam@1446 647
adamc@854 648 void uw_set_headers(uw_context ctx, char *(*get_header)(void *, const char *), void *get_header_data) {
adamc@854 649 ctx->get_header = get_header;
adamc@854 650 ctx->get_header_data = get_header_data;
adamc@742 651 }
adamc@742 652
adamc@801 653 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801 654 va_list ap;
adamc@801 655 va_start(ap, fmt);
adamc@801 656
adamc@801 657 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801 658 }
adamc@801 659
adamc@1131 660 int uw_has_error(uw_context ctx) {
adamc@1131 661 return ctx->error_message[0] != 0;
adamc@1131 662 }
adamc@1131 663
adamc@311 664 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 665 cleanup *cl;
adamc@425 666
adamc@167 667 va_list ap;
adamc@167 668 va_start(ap, fmt);
adamc@167 669
adamc@167 670 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 671
adamc@425 672 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 673 cl->func(cl->arg);
adamc@425 674
adamc@425 675 ctx->cleanup_front = ctx->cleanup;
adamc@425 676
adamc@190 677 longjmp(ctx->jmp_buf, fk);
adamc@167 678 }
adamc@167 679
adamc@1113 680 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113 681
adamc@425 682 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 683 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 684 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 685 if (len == 0)
adamc@425 686 newLen = 1;
adamc@425 687 else
adamc@428 688 newLen = len * 2;
adamc@1113 689
adamc@1134 690 if (newLen > uw_cleanup_max) {
adamc@1113 691 if (len+1 <= uw_cleanup_max)
adamc@1113 692 newLen = uw_cleanup_max;
adamc@1113 693 else
adamc@1113 694 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134 695 }
adamc@1113 696
adamc@470 697 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 698 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 699 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 700 }
adamc@425 701
adamc@425 702 ctx->cleanup_front->func = func;
adamc@425 703 ctx->cleanup_front->arg = arg;
adamc@425 704 ++ctx->cleanup_front;
adamc@425 705 }
adamc@425 706
adam@1444 707 char *uw_Basis_htmlifyString(uw_context, const char *);
adam@1444 708
adamc@682 709 void uw_login(uw_context ctx) {
adamc@693 710 if (ctx->needs_push) {
adamc@682 711 char *id_s, *pass_s;
adamc@682 712
adamc@682 713 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adamc@682 714 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adamc@682 715 unsigned id = atoi(id_s);
adamc@682 716 int pass = atoi(pass_s);
adamc@682 717 client *c = find_client(id);
adamc@682 718
adamc@682 719 if (c == NULL)
adam@1444 720 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", uw_Basis_htmlifyString(ctx, id_s), uw_Basis_htmlifyString(ctx, pass_s));
adamc@682 721 else {
adamc@685 722 use_client(c);
adamc@682 723 ctx->client = c;
adamc@682 724
adamc@682 725 if (c->mode != USED)
adamc@682 726 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adamc@682 727 if (c->pass != pass)
adamc@682 728 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@682 729 }
adamc@682 730 } else {
adamc@682 731 client *c = new_client();
adamc@1113 732
adamc@1113 733 if (c == NULL)
adamc@1113 734 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adamc@1113 735
adamc@685 736 use_client(c);
adamc@1121 737 uw_copy_client_data(c->data, ctx->client_data);
adamc@682 738 ctx->client = c;
adamc@864 739 }
adamc@682 740 }
adamc@682 741 }
adamc@682 742
adamc@671 743 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671 744 int r = setjmp(ctx->jmp_buf);
adamc@671 745
adamc@671 746 if (r == 0) {
adamc@1094 747 if (ctx->app->db_begin(ctx))
adamc@671 748 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adamc@682 749
adamc@1094 750 ctx->app->handle(ctx, path);
adamc@671 751 }
adamc@671 752
adamc@671 753 return r;
adamc@671 754 }
adamc@671 755
adamc@772 756 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682 757 if (ctx->client == NULL)
adamc@682 758 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682 759
adamc@682 760 return ctx->client->id;
adamc@682 761 }
adamc@682 762
adamc@425 763 void uw_pop_cleanup(uw_context ctx) {
adamc@425 764 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 765 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 766
adamc@425 767 --ctx->cleanup_front;
adamc@425 768 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 769 }
adamc@425 770
adamc@311 771 char *uw_error_message(uw_context ctx) {
adamc@167 772 return ctx->error_message;
adamc@167 773 }
adamc@167 774
adamc@1115 775 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115 776 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115 777 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115 778 }
adamc@1115 779
adamc@759 780 static input *INP(uw_context ctx) {
adamc@759 781 if (ctx->cur_container == NULL)
adamc@759 782 return ctx->inputs;
adamc@759 783 else if (ctx->cur_container->kind == SUBFORM)
adamc@759 784 return ctx->cur_container->data.subform.fields;
adamc@759 785 else if (ctx->cur_container->kind == ENTRY)
adamc@759 786 return ctx->cur_container->data.entry.fields;
adamc@759 787 else
adamc@760 788 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759 789 }
adamc@759 790
adamc@760 791 static void adjust_pointer(input **ptr, input *old_start, input *new_start, size_t len) {
adamc@760 792 if (*ptr != NULL && *ptr >= old_start && *ptr < old_start + len)
adamc@760 793 *ptr += new_start - old_start;
adamc@760 794 }
adamc@760 795
adamc@760 796 static void adjust_input(input *x, input *old_start, input *new_start, size_t len) {
adamc@759 797 switch (x->kind) {
adamc@759 798 case SUBFORM:
adamc@760 799 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760 800 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759 801 break;
adamc@759 802 case SUBFORMS:
adamc@760 803 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760 804 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759 805 break;
adamc@759 806 case ENTRY:
adamc@760 807 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760 808 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760 809 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134 810 break;
adamc@1134 811 default:
adamc@1134 812 break;
adamc@759 813 }
adamc@759 814 }
adamc@759 815
adamc@1113 816 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113 817
adamc@759 818 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759 819 size_t i;
adamc@759 820 input *r;
adamc@759 821
adamc@759 822 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113 823 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113 824 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113 825
adamc@759 826 input *new_subinputs = realloc(ctx->subinputs, sizeof(input) * (ctx->used_subinputs + len));
adamc@759 827
adamc@760 828 if (ctx->subinputs != new_subinputs) {
adamc@760 829 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760 830 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094 831 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760 832 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 833
adamc@760 834 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 835
adamc@760 836 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760 837 ctx->subinputs = new_subinputs;
adamc@760 838 }
adamc@759 839 }
adamc@759 840
adamc@759 841 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759 842
adamc@759 843 for (i = 0; i < len; ++i)
adam@1474 844 ctx->subinputs[ctx->used_subinputs++].kind = UNSET;
adamc@759 845
adamc@759 846 return r;
adamc@759 847 }
adamc@756 848
adamc@801 849 int uw_set_input(uw_context ctx, const char *name, char *value) {
adamc@1050 850 //printf("Input name %s\n", name);
adamc@1038 851
adamc@756 852 if (!strcasecmp(name, ".b")) {
adamc@1094 853 int n = ctx->app->input_num(value);
adamc@756 854 input *inps;
adamc@756 855
adamc@801 856 if (n < 0) {
adam@1444 857 uw_set_error(ctx, "Bad subform name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 858 return -1;
adamc@801 859 }
adamc@801 860
adamc@1094 861 if (n >= ctx->app->inputs_len) {
adam@1444 862 uw_set_error(ctx, "For subform name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 863 return -1;
adamc@801 864 }
adamc@756 865
adamc@1094 866 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759 867
adamc@759 868 INP(ctx)[n].kind = SUBFORM;
adamc@759 869 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759 870 INP(ctx)[n].data.subform.fields = inps;
adamc@759 871 ctx->cur_container = &INP(ctx)[n];
adamc@756 872 } else if (!strcasecmp(name, ".e")) {
adamc@756 873 input *tmp;
adamc@756 874
adamc@801 875 if (ctx->cur_container == NULL) {
adamc@801 876 uw_set_error(ctx, "Unmatched subform closer");
adamc@801 877 return -1;
adamc@801 878 }
adamc@756 879
adamc@759 880 tmp = ctx->cur_container;
adamc@759 881 switch (tmp->kind) {
adamc@759 882 case SUBFORM:
adamc@759 883 ctx->cur_container = tmp->data.subform.parent;
adamc@759 884 tmp->data.subform.parent = NULL;
adamc@759 885 break;
adamc@759 886 case SUBFORMS:
adamc@759 887 ctx->cur_container = tmp->data.subforms.parent;
adamc@759 888 tmp->data.subforms.parent = NULL;
adamc@759 889 break;
adamc@759 890 case ENTRY:
adamc@759 891 ctx->cur_container = tmp->data.entry.parent;
adamc@759 892 break;
adamc@759 893 default:
adamc@801 894 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801 895 return -1;
adamc@759 896 }
adamc@759 897 } else if (!strcasecmp(name, ".s")) {
adamc@1094 898 int n = ctx->app->input_num(value);
adamc@759 899
adamc@801 900 if (n < 0) {
adam@1444 901 uw_set_error(ctx, "Bad subforms name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 902 return -1;
adamc@801 903 }
adamc@801 904
adamc@1094 905 if (n >= ctx->app->inputs_len) {
adam@1444 906 uw_set_error(ctx, "For subforms name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 907 return -1;
adamc@801 908 }
adamc@759 909
adamc@759 910 INP(ctx)[n].kind = SUBFORMS;
adamc@759 911 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 912 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759 913 ctx->cur_container = &INP(ctx)[n];
adamc@759 914 } else if (!strcasecmp(name, ".i")) {
adamc@759 915 input *inps;
adamc@759 916
adamc@801 917 if (!ctx->cur_container) {
adamc@801 918 uw_set_error(ctx, "New entry without container");
adamc@801 919 return -1;
adamc@801 920 }
adamc@801 921
adamc@801 922 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801 923 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801 924 return -1;
adamc@801 925 }
adamc@759 926
adamc@1094 927 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759 928
adamc@759 929 inps->kind = ENTRY;
adamc@759 930 inps->data.entry.parent = ctx->cur_container;
adamc@759 931 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759 932 ctx->cur_container->data.subforms.entries = inps;
adamc@759 933
adamc@759 934 inps->data.entry.fields = inps+1;
adamc@759 935 ctx->cur_container = inps;
adamc@756 936 } else {
adamc@1094 937 int n = ctx->app->input_num(name);
adamc@756 938
adam@1384 939 if (n < 0)
adam@1384 940 return 0;
adamc@801 941
adamc@1094 942 if (n >= ctx->app->inputs_len) {
adam@1444 943 uw_set_error(ctx, "For input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801 944 return -1;
adamc@801 945 }
adamc@756 946
adamc@756 947 INP(ctx)[n].kind = NORMAL;
adamc@756 948 INP(ctx)[n].data.normal = value;
adamc@756 949 }
adamc@801 950
adamc@801 951 return 0;
adamc@144 952 }
adamc@144 953
adamc@311 954 char *uw_get_input(uw_context ctx, int n) {
adamc@169 955 if (n < 0)
adamc@311 956 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 957 if (n >= ctx->app->inputs_len)
adamc@311 958 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 959
adamc@756 960 switch (INP(ctx)[n].kind) {
adamc@737 961 case UNSET:
adamc@737 962 return NULL;
adamc@739 963 case FIL:
adamc@739 964 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 965 case SUBFORM:
adamc@756 966 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 967 case SUBFORMS:
adamc@759 968 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 969 case ENTRY:
adamc@759 970 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 971 case NORMAL:
adamc@756 972 return INP(ctx)[n].data.normal;
adamc@737 973 default:
adamc@737 974 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 975 }
adamc@138 976 }
adamc@138 977
adamc@311 978 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 979 if (n < 0)
adamc@311 980 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 981 if (n >= ctx->app->inputs_len)
adamc@311 982 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 983
adamc@756 984 switch (INP(ctx)[n].kind) {
adamc@737 985 case UNSET:
adamc@737 986 return "";
adamc@739 987 case FIL:
adamc@739 988 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 989 case SUBFORM:
adamc@756 990 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 991 case SUBFORMS:
adamc@759 992 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 993 case ENTRY:
adamc@759 994 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 995 case NORMAL:
adamc@756 996 return INP(ctx)[n].data.normal;
adamc@737 997 default:
adamc@737 998 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 999 }
adamc@737 1000 }
adamc@737 1001
adamc@801 1002 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094 1003 int n = ctx->app->input_num(name);
adamc@737 1004
adamc@801 1005 if (n < 0) {
adam@1444 1006 uw_set_error(ctx, "Bad file input name %s", uw_Basis_htmlifyString(ctx, name));
adamc@801 1007 return -1;
adamc@801 1008 }
adamc@801 1009
adamc@1094 1010 if (n >= ctx->app->inputs_len) {
adam@1444 1011 uw_set_error(ctx, "For file input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801 1012 return -1;
adamc@801 1013 }
adamc@737 1014
adamc@739 1015 ctx->inputs[n].kind = FIL;
adamc@739 1016 ctx->inputs[n].data.file = f;
adamc@801 1017
adamc@801 1018 return 0;
adamc@737 1019 }
adamc@737 1020
adamc@739 1021 void *uw_malloc(uw_context ctx, size_t len);
adamc@739 1022
adamc@739 1023 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737 1024 if (n < 0)
adamc@737 1025 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094 1026 if (n >= ctx->app->inputs_len)
adamc@737 1027 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737 1028
adamc@756 1029 switch (INP(ctx)[n].kind) {
adamc@737 1030 case UNSET:
adamc@737 1031 {
adamc@739 1032 char *data = uw_malloc(ctx, 0);
adamc@740 1033 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739 1034 return f;
adamc@737 1035 }
adamc@739 1036 case FIL:
adamc@756 1037 return INP(ctx)[n].data.file;
adamc@737 1038 case NORMAL:
adamc@737 1039 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756 1040 case SUBFORM:
adamc@756 1041 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759 1042 case SUBFORMS:
adamc@759 1043 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759 1044 case ENTRY:
adamc@759 1045 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737 1046 default:
adamc@737 1047 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1048 }
adamc@190 1049 }
adamc@190 1050
adamc@756 1051 void uw_enter_subform(uw_context ctx, int n) {
adamc@756 1052 if (n < 0)
adamc@756 1053 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094 1054 if (n >= ctx->app->inputs_len)
adamc@756 1055 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756 1056
adamc@756 1057 switch (INP(ctx)[n].kind) {
adamc@756 1058 case UNSET:
adamc@756 1059 uw_error(ctx, FATAL, "Missing subform");
adamc@756 1060 case FIL:
adamc@756 1061 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756 1062 case NORMAL:
adamc@756 1063 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759 1064 case SUBFORMS:
adamc@759 1065 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759 1066 case ENTRY:
adamc@759 1067 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756 1068 case SUBFORM:
adamc@759 1069 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760 1070 ctx->cur_container = &INP(ctx)[n];
adamc@756 1071 return;
adamc@756 1072 default:
adamc@756 1073 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756 1074 }
adamc@756 1075 }
adamc@756 1076
adamc@756 1077 void uw_leave_subform(uw_context ctx) {
adamc@756 1078 input *tmp;
adamc@756 1079
adamc@759 1080 if (ctx->cur_container == NULL)
adamc@756 1081 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756 1082
adamc@759 1083 tmp = ctx->cur_container;
adamc@759 1084 ctx->cur_container = tmp->data.subform.parent;
adamc@759 1085 tmp->data.subform.parent = NULL;
adamc@759 1086 }
adamc@759 1087
adamc@759 1088 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759 1089 input *inps;
adamc@759 1090
adamc@759 1091 if (n < 0)
adamc@759 1092 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094 1093 if (n >= ctx->app->inputs_len)
adamc@759 1094 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759 1095
adamc@759 1096 switch (INP(ctx)[n].kind) {
adamc@759 1097 case UNSET:
adamc@759 1098 uw_error(ctx, FATAL, "Missing subforms");
adamc@759 1099 case FIL:
adamc@759 1100 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759 1101 case NORMAL:
adamc@759 1102 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759 1103 case SUBFORM:
adamc@759 1104 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759 1105 case ENTRY:
adamc@759 1106 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759 1107 case SUBFORMS:
adamc@759 1108 inps = INP(ctx)[n].data.subforms.entries;
adamc@759 1109 if (inps) {
adamc@759 1110 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 1111 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759 1112 return 1;
adamc@759 1113 } else
adamc@759 1114 return 0;
adamc@759 1115 default:
adamc@759 1116 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1117 }
adamc@759 1118 }
adamc@759 1119
adamc@759 1120 int uw_next_entry(uw_context ctx) {
adamc@759 1121 if (ctx->cur_container == NULL)
adamc@759 1122 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759 1123
adamc@759 1124 switch (ctx->cur_container->kind) {
adamc@759 1125 case UNSET:
adamc@759 1126 uw_error(ctx, FATAL, "Missing entry");
adamc@759 1127 case FIL:
adamc@759 1128 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759 1129 case NORMAL:
adamc@759 1130 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759 1131 case SUBFORM:
adamc@759 1132 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759 1133 case SUBFORMS:
adamc@759 1134 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759 1135 case ENTRY:
adamc@759 1136 if (ctx->cur_container->data.entry.next) {
adamc@759 1137 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759 1138 return 1;
adamc@759 1139 } else {
adamc@759 1140 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759 1141 return 0;
adamc@759 1142 }
adamc@759 1143 default:
adamc@759 1144 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1145 }
adamc@756 1146 }
adamc@756 1147
adamc@643 1148 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 1149 ctx->script_header = s;
adamc@643 1150 }
adamc@643 1151
adamc@1094 1152 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094 1153 return ctx->app->url_prefix;
adamc@667 1154 }
adamc@667 1155
adamc@693 1156 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693 1157 ctx->needs_push = n;
adamc@693 1158 }
adamc@693 1159
adamc@736 1160 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736 1161 ctx->needs_sig = n;
adamc@736 1162 }
adamc@736 1163
adamc@667 1164
adam@1369 1165 static void uw_buffer_check_ctx(uw_context ctx, const char *kind, uw_buffer *b, size_t extra, const char *desc) {
adamc@666 1166 if (b->back - b->front < extra) {
adamc@666 1167 size_t desired = b->front - b->start + extra, next;
adamc@136 1168 char *new_heap;
adamc@136 1169
adamc@666 1170 next = b->back - b->start;
adamc@317 1171 if (next == 0)
adamc@317 1172 next = 1;
adamc@317 1173 for (; next < desired; next *= 2);
adamc@136 1174
adamc@1134 1175 if (next > b->max) {
adamc@1113 1176 if (desired <= b->max)
adamc@1113 1177 next = desired;
adamc@1113 1178 else
adamc@1113 1179 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134 1180 }
adamc@1113 1181
adamc@666 1182 new_heap = realloc(b->start, next);
adamc@666 1183 b->front = new_heap + (b->front - b->start);
adamc@666 1184 b->back = new_heap + next;
adamc@136 1185
adamc@667 1186 if (new_heap != b->start) {
adamc@666 1187 b->start = new_heap;
adam@1389 1188 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously; increasing size to %llu", desc, (unsigned long long)next);
adamc@136 1189 }
adamc@136 1190
adamc@666 1191 b->start = new_heap;
adamc@136 1192 }
adamc@136 1193 }
adamc@136 1194
adamc@832 1195 void uw_check_heap(uw_context ctx, size_t extra) {
adam@1369 1196 uw_buffer_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666 1197 }
adamc@666 1198
adamc@832 1199 char *uw_heap_front(uw_context ctx) {
adamc@832 1200 return ctx->heap.front;
adamc@832 1201 }
adamc@832 1202
adamc@832 1203 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832 1204 ctx->heap.front = fr;
adamc@832 1205 }
adamc@832 1206
adamc@311 1207 void *uw_malloc(uw_context ctx, size_t len) {
adamc@136 1208 void *result;
adamc@136 1209
adamc@311 1210 uw_check_heap(ctx, len);
adamc@136 1211
adamc@666 1212 result = ctx->heap.front;
adamc@666 1213 ctx->heap.front += len;
adamc@136 1214 return result;
adamc@117 1215 }
adamc@117 1216
adamc@323 1217 void uw_begin_region(uw_context ctx) {
adamc@666 1218 regions *r = (regions *) ctx->heap.front;
adamc@323 1219
adamc@323 1220 uw_check_heap(ctx, sizeof(regions));
adamc@323 1221
adamc@666 1222 ctx->heap.front += sizeof(regions);
adamc@323 1223
adamc@323 1224 r->next = ctx->regions;
adamc@323 1225 ctx->regions = r;
adamc@323 1226 }
adamc@323 1227
adamc@323 1228 void uw_end_region(uw_context ctx) {
adamc@323 1229 regions *r = ctx->regions;
adamc@323 1230
adamc@323 1231 if (r == NULL)
adamc@323 1232 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 1233
adamc@666 1234 ctx->heap.front = (char *) r;
adamc@323 1235 ctx->regions = r->next;
adamc@323 1236 }
adamc@323 1237
adamc@324 1238 void uw_memstats(uw_context ctx) {
adam@1369 1239 printf("Headers: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->outHeaders), (unsigned long)uw_buffer_avail(&ctx->outHeaders));
adam@1369 1240 printf("Script: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->script), (unsigned long)uw_buffer_avail(&ctx->script));
adam@1369 1241 printf("Page: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->page), (unsigned long)uw_buffer_avail(&ctx->page));
adam@1369 1242 printf("Heap: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->heap), (unsigned long)uw_buffer_avail(&ctx->heap));
adamc@324 1243 }
adamc@324 1244
adamc@311 1245 int uw_send(uw_context ctx, int sock) {
adamc@666 1246 int n = uw_really_send(sock, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@462 1247
adamc@462 1248 if (n < 0)
adamc@462 1249 return n;
adamc@462 1250
adamc@462 1251 n = uw_really_send(sock, "\r\n", 2);
adamc@462 1252
adamc@462 1253 if (n < 0)
adamc@462 1254 return n;
adamc@462 1255
adamc@666 1256 return uw_really_send(sock, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@462 1257 }
adamc@462 1258
adamc@856 1259 int uw_print(uw_context ctx, int fd) {
adamc@856 1260 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856 1261
adamc@856 1262 if (n < 0)
adamc@856 1263 return n;
adamc@856 1264
adamc@856 1265 n = uw_really_write(fd, "\r\n", 2);
adamc@856 1266
adamc@856 1267 if (n < 0)
adamc@856 1268 return n;
adamc@856 1269
adamc@856 1270 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856 1271 }
adamc@856 1272
adamc@860 1273 int uw_output(uw_context ctx, int (*output)(void *data, char *buf, size_t len), void *data) {
adamc@860 1274 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860 1275
adamc@860 1276 if (n < 0)
adamc@860 1277 return n;
adamc@860 1278
adamc@860 1279 n = output(data, "\r\n", 2);
adamc@860 1280
adamc@860 1281 if (n < 0)
adamc@860 1282 return n;
adamc@860 1283
adamc@860 1284 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860 1285 }
adamc@860 1286
adamc@462 1287 static void uw_check_headers(uw_context ctx, size_t extra) {
adam@1369 1288 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462 1289 }
adamc@462 1290
adamc@462 1291 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 1292 int len = strlen(s);
adamc@462 1293
adamc@462 1294 uw_check_headers(ctx, len + 1);
adamc@666 1295 strcpy(ctx->outHeaders.front, s);
adamc@666 1296 ctx->outHeaders.front += len;
adamc@562 1297 }
adamc@562 1298
adamc@1110 1299 void uw_clear_headers(uw_context ctx) {
adam@1369 1300 uw_buffer_reset(&ctx->outHeaders);
adamc@1110 1301 }
adamc@1110 1302
adamc@562 1303 static void uw_check_script(uw_context ctx, size_t extra) {
adam@1369 1304 ctx_uw_buffer_check(ctx, "script", &ctx->script, extra);
adamc@562 1305 }
adamc@562 1306
adamc@562 1307 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 1308 int len = strlen(s);
adamc@562 1309
adamc@562 1310 uw_check_script(ctx, len + 1);
adamc@666 1311 strcpy(ctx->script.front, s);
adamc@666 1312 ctx->script.front += len;
adamc@562 1313 }
adamc@562 1314
adam@1446 1315 const char *uw_get_real_script(uw_context ctx) {
adam@1671 1316 if (strstr(ctx->outHeaders.start, "Set-Cookie: ")) {
adam@1671 1317 uw_write_script(ctx, "sig=\"");
adam@1671 1318 uw_write_script(ctx, ctx->app->cookie_sig(ctx));
adam@1671 1319 uw_write_script(ctx, "\";");
adam@1671 1320 }
adam@1671 1321
adam@1446 1322 return ctx->script.start;
adam@1446 1323 }
adam@1446 1324
adamc@695 1325 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695 1326 if (s[0] == 0)
adamc@695 1327 return "";
adamc@695 1328 else {
adamc@695 1329 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695 1330 sprintf(r, " onload='%s'", s);
adamc@695 1331 return r;
adamc@695 1332 }
adamc@695 1333 }
adamc@695 1334
adamc@1042 1335 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042 1336 if (ctx->script_header[0] == 0)
adamc@1042 1337 return "";
adamc@1042 1338 else {
adamc@1042 1339 char *r = uw_malloc(ctx, 22 + strlen(s));
adamc@1042 1340 sprintf(r, " onunload='unload();%s'", s);
adamc@1042 1341 return r;
adamc@1042 1342 }
adamc@1042 1343 }
adamc@1042 1344
adamc@694 1345 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736 1346 if (ctx->client == NULL) {
adamc@736 1347 if (ctx->needs_sig) {
adamc@1094 1348 char *sig = ctx->app->cookie_sig(ctx);
adamc@736 1349 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736 1350 sprintf(r, "sig=\"%s\";", sig);
adamc@736 1351 return r;
adamc@736 1352 }
adamc@736 1353 else
adamc@736 1354 return "";
adamc@736 1355 } else {
adamc@1094 1356 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094 1357 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736 1358 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adam@1552 1359 sprintf(r, "isPost=%s;client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adam@1552 1360 (ctx->isPost ? "true" : "false"),
adamc@682 1361 ctx->client->id,
adamc@682 1362 ctx->client->pass,
adamc@1094 1363 ctx->app->url_prefix,
adamc@1094 1364 ctx->app->timeout,
adamc@736 1365 ctx->needs_sig ? "sig=\"" : "",
adamc@736 1366 sig,
adamc@736 1367 ctx->needs_sig ? "\";" : "");
adamc@679 1368 return r;
adamc@668 1369 }
adamc@667 1370 }
adamc@667 1371
adamc@574 1372 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 1373 char *r, *s2;
adamc@574 1374
adam@1446 1375 uw_check_heap(ctx, strlen(s) * 4 + 3);
adamc@574 1376
adamc@666 1377 r = s2 = ctx->heap.front;
adamc@574 1378 *s2++ = '"';
adamc@574 1379
adamc@574 1380 for (; *s; s++) {
adam@1286 1381 unsigned char c = *s;
adamc@574 1382
adamc@574 1383 switch (c) {
adamc@574 1384 case '"':
adamc@574 1385 strcpy(s2, "\\\"");
adamc@574 1386 s2 += 2;
adamc@574 1387 break;
adamc@1027 1388 case '\'':
adamc@1027 1389 strcpy(s2, "\\047");
adamc@1027 1390 s2 += 4;
adamc@1027 1391 break;
adamc@574 1392 case '\\':
adamc@574 1393 strcpy(s2, "\\\\");
adamc@574 1394 s2 += 2;
adamc@574 1395 break;
adam@1457 1396 case '<':
adam@1457 1397 strcpy(s2, "\\074");
adam@1457 1398 s2 += 4;
adam@1457 1399 break;
adamc@574 1400 default:
adam@1286 1401 if (isprint((int)c) || c >= 128)
adamc@574 1402 *s2++ = c;
adamc@574 1403 else {
adam@1429 1404 sprintf(s2, "\\%03o", c);
adamc@574 1405 s2 += 4;
adamc@574 1406 }
adamc@574 1407 }
adamc@574 1408 }
adamc@574 1409
adamc@574 1410 strcpy(s2, "\"");
adamc@910 1411 ctx->heap.front = s2 + 2;
adamc@574 1412 return r;
adamc@574 1413 }
adamc@574 1414
adam@1286 1415 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286 1416 unsigned char c = c1;
adamc@1025 1417 char *r, *s2;
adamc@1025 1418
adam@1446 1419 uw_check_heap(ctx, 7);
adamc@1025 1420
adamc@1025 1421 r = s2 = ctx->heap.front;
adamc@1025 1422 *s2++ = '"';
adamc@1025 1423
adamc@1025 1424 switch (c) {
adamc@1025 1425 case '"':
adamc@1025 1426 strcpy(s2, "\\\"");
adamc@1025 1427 s2 += 2;
adamc@1025 1428 break;
adamc@1027 1429 case '\'':
adamc@1027 1430 strcpy(s2, "\\047");
adamc@1027 1431 s2 += 4;
adamc@1027 1432 break;
adamc@1025 1433 case '\\':
adamc@1025 1434 strcpy(s2, "\\\\");
adamc@1025 1435 s2 += 2;
adamc@1025 1436 break;
adam@1457 1437 case '<':
adam@1457 1438 strcpy(s2, "\\074");
adam@1457 1439 s2 += 4;
adam@1457 1440 break;
adamc@1025 1441 default:
adam@1286 1442 if (isprint((int)c) || c >= 128)
adamc@1025 1443 *s2++ = c;
adamc@1025 1444 else {
adam@1429 1445 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1025 1446 s2 += 4;
adamc@1025 1447 }
adamc@1025 1448 }
adamc@1025 1449
adamc@1025 1450 strcpy(s2, "\"");
adamc@1025 1451 ctx->heap.front = s2 + 2;
adamc@1025 1452 return r;
adamc@1025 1453 }
adamc@1025 1454
adamc@574 1455 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 1456 char *r, *s2;
adamc@574 1457
adam@1446 1458 uw_check_script(ctx, strlen(s) * 4 + 3);
adamc@574 1459
adamc@666 1460 r = s2 = ctx->script.front;
adamc@574 1461 *s2++ = '"';
adamc@574 1462
adamc@574 1463 for (; *s; s++) {
adam@1286 1464 unsigned char c = *s;
adamc@574 1465
adamc@574 1466 switch (c) {
adamc@577 1467 case '\'':
adamc@1027 1468 strcpy(s2, "\\");
adamc@574 1469 s2 += 2;
adamc@574 1470 break;
adamc@574 1471 case '\\':
adamc@574 1472 strcpy(s2, "\\\\");
adamc@574 1473 s2 += 2;
adamc@574 1474 break;
adam@1457 1475 case '<':
adam@1457 1476 strcpy(s2, "\\074");
adam@1457 1477 s2 += 4;
adam@1457 1478 break;
adamc@574 1479 default:
adam@1286 1480 if (isprint((int)c) || c >= 128)
adamc@574 1481 *s2++ = c;
adamc@574 1482 else {
adam@1429 1483 sprintf(s2, "\\%03o", c);
adamc@574 1484 s2 += 4;
adamc@574 1485 }
adamc@574 1486 }
adamc@574 1487 }
adamc@574 1488
adamc@574 1489 strcpy(s2, "\"");
adamc@666 1490 ctx->script.front = s2 + 1;
adamc@574 1491 return r;
adamc@574 1492 }
adamc@574 1493
adamc@682 1494 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1495 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1496 return "null";
adamc@682 1497 else {
adamc@682 1498 int len;
adamc@682 1499 char *r;
adamc@682 1500
adamc@682 1501 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1502 r = ctx->heap.front;
adamc@682 1503 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1504 ctx->heap.front += len+1;
adamc@682 1505 return r;
adamc@682 1506 }
adamc@682 1507 }
adamc@682 1508
adam@1446 1509 uw_Basis_source uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 1510 int len;
adamc@577 1511 size_t s_len = strlen(s);
adamc@562 1512
adam@1446 1513 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1514 sprintf(ctx->script.front, "s%d_%llu=sc(exec(%n", ctx->id, ctx->source_count, &len);
adamc@666 1515 ctx->script.front += len;
adamc@666 1516 strcpy(ctx->script.front, s);
adamc@666 1517 ctx->script.front += s_len;
adamc@970 1518 strcpy(ctx->script.front, "));");
adamc@972 1519 ctx->script.front += 3;
adamc@562 1520
adam@1446 1521 uw_Basis_source r = {ctx->id, ctx->source_count++};
adam@1446 1522 return r;
adam@1446 1523 }
adam@1446 1524
adam@1446 1525 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_source src, uw_Basis_string s) {
adamc@577 1526 int len;
adamc@577 1527 size_t s_len = strlen(s);
adamc@577 1528
adam@1446 1529 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1530 sprintf(ctx->script.front, "sv(s%d_%llu,exec(%n", src.context, src.source, &len);
adamc@666 1531 ctx->script.front += len;
adamc@666 1532 strcpy(ctx->script.front, s);
adamc@666 1533 ctx->script.front += s_len;
adamc@970 1534 strcpy(ctx->script.front, "));");
adamc@972 1535 ctx->script.front += 3;
adamc@577 1536
adamc@577 1537 return uw_unit_v;
adamc@577 1538 }
adamc@577 1539
adamc@311 1540 static void uw_check(uw_context ctx, size_t extra) {
adam@1369 1541 ctx_uw_buffer_check(ctx, "page", &ctx->page, extra);
adamc@117 1542 }
adamc@117 1543
adamc@311 1544 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 1545 *(ctx->page.front)++ = c;
adam@1413 1546 *ctx->page.front = 0;
adamc@117 1547 }
adamc@117 1548
adamc@311 1549 void uw_writec(uw_context ctx, char c) {
adam@1413 1550 uw_check(ctx, 2);
adamc@311 1551 uw_writec_unsafe(ctx, c);
adamc@117 1552 }
adamc@117 1553
adamc@311 1554 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 1555 int len = strlen(s);
adamc@666 1556 memcpy(ctx->page.front, s, len);
adamc@666 1557 ctx->page.front += len;
adamc@117 1558 }
adamc@117 1559
adamc@311 1560 void uw_write(uw_context ctx, const char* s) {
adamc@311 1561 uw_check(ctx, strlen(s) + 1);
adamc@311 1562 uw_write_unsafe(ctx, s);
adamc@666 1563 *ctx->page.front = 0;
adamc@102 1564 }
adamc@106 1565
adamc@311 1566 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 1567 char *result;
adamc@136 1568 int len;
adamc@311 1569 uw_check_heap(ctx, INTS_MAX);
adamc@666 1570 result = ctx->heap.front;
adamc@276 1571 sprintf(result, "%lld%n", n, &len);
adamc@666 1572 ctx->heap.front += len+1;
adamc@136 1573 return result;
adamc@106 1574 }
adamc@106 1575
adamc@311 1576 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 1577 char *result;
adamc@136 1578 int len;
adamc@311 1579 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1580 result = ctx->heap.front;
adamc@136 1581 sprintf(result, "%g%n", n, &len);
adamc@666 1582 ctx->heap.front += len+1;
adamc@136 1583 return result;
adamc@106 1584 }
adamc@106 1585
adamc@311 1586 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 1587 int len = strlen(s);
adamc@136 1588 char *result, *p;
adamc@311 1589 uw_check_heap(ctx, len * 6 + 1);
adamc@136 1590
adamc@666 1591 result = p = ctx->heap.front;
adamc@136 1592
adamc@136 1593 for (; *s; s++) {
adamc@1054 1594 unsigned char c = *s;
adamc@136 1595
adamc@136 1596 if (c == '"') {
adamc@136 1597 strcpy(p, "&quot;");
adamc@136 1598 p += 6;
adamc@136 1599 } else if (c == '&') {
adamc@136 1600 strcpy(p, "&amp;");
adamc@136 1601 p += 5;
adamc@136 1602 }
adamc@1059 1603 else
adamc@136 1604 *p++ = c;
adamc@136 1605 }
adamc@136 1606
adamc@137 1607 *p++ = 0;
adamc@666 1608 ctx->heap.front = p;
adamc@136 1609 return result;
adamc@106 1610 }
adamc@106 1611
adamc@1011 1612 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 1613 char *result, *p;
adamc@1011 1614 uw_check_heap(ctx, 7);
adamc@1011 1615
adamc@1011 1616 result = p = ctx->heap.front;
adamc@1011 1617
adamc@1011 1618 if (c == '"') {
adamc@1011 1619 strcpy(p, "&quot;");
adamc@1011 1620 p += 6;
adamc@1011 1621 } else if (c == '&') {
adamc@1011 1622 strcpy(p, "&amp;");
adamc@1011 1623 p += 5;
adamc@1011 1624 }
adamc@1059 1625 else
adamc@1011 1626 *p++ = c;
adamc@1011 1627
adamc@1011 1628 *p++ = 0;
adamc@1011 1629 ctx->heap.front = p;
adamc@1011 1630 return result;
adamc@1011 1631 }
adamc@1011 1632
adamc@721 1633 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721 1634 return s;
adamc@721 1635 }
adamc@721 1636
adamc@311 1637 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 1638 int len;
adamc@117 1639
adamc@666 1640 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1641 ctx->page.front += len;
adamc@106 1642 }
adamc@106 1643
adamc@428 1644 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1645 uw_check(ctx, INTS_MAX);
adamc@311 1646 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 1647
adamc@428 1648 return uw_unit_v;
adamc@106 1649 }
adamc@106 1650
adamc@428 1651 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 1652 int len;
adamc@117 1653
adamc@311 1654 uw_check(ctx, FLOATS_MAX);
adamc@666 1655 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1656 ctx->page.front += len;
adamc@428 1657
adamc@428 1658 return uw_unit_v;
adamc@117 1659 }
adamc@117 1660
adamc@428 1661 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1662 uw_check(ctx, strlen(s) * 6);
adamc@117 1663
adamc@106 1664 for (; *s; s++) {
adamc@1054 1665 unsigned char c = *s;
adamc@106 1666
adamc@106 1667 if (c == '"')
adamc@311 1668 uw_write_unsafe(ctx, "&quot;");
adamc@136 1669 else if (c == '&')
adamc@311 1670 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1671 else
adamc@311 1672 uw_writec_unsafe(ctx, c);
adamc@106 1673 }
adamc@428 1674
adamc@428 1675 return uw_unit_v;
adamc@106 1676 }
adamc@120 1677
adamc@1011 1678 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011 1679 uw_check(ctx, 6);
adamc@1011 1680
adamc@1011 1681 if (c == '"')
adamc@1011 1682 uw_write_unsafe(ctx, "&quot;");
adamc@1011 1683 else if (c == '&')
adamc@1011 1684 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1685 else
adamc@1011 1686 uw_writec_unsafe(ctx, c);
adamc@1011 1687
adamc@1011 1688 return uw_unit_v;
adamc@1011 1689 }
adamc@1011 1690
adamc@120 1691
adamc@311 1692 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 1693 int len;
adamc@137 1694 char *r;
adamc@137 1695
adamc@311 1696 uw_check_heap(ctx, INTS_MAX);
adamc@666 1697 r = ctx->heap.front;
adamc@276 1698 sprintf(r, "%lld%n", n, &len);
adamc@666 1699 ctx->heap.front += len+1;
adamc@137 1700 return r;
adamc@120 1701 }
adamc@120 1702
adamc@682 1703 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1704 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1705 return "";
adamc@682 1706 else {
adamc@682 1707 int len;
adamc@682 1708 char *r;
adamc@679 1709
adamc@682 1710 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1711 r = ctx->heap.front;
adamc@682 1712 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1713 ctx->heap.front += len+1;
adamc@682 1714 return r;
adamc@682 1715 }
adamc@679 1716 }
adamc@679 1717
adamc@311 1718 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 1719 int len;
adamc@137 1720 char *r;
adamc@137 1721
adamc@311 1722 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1723 r = ctx->heap.front;
adamc@137 1724 sprintf(r, "%g%n", n, &len);
adamc@666 1725 ctx->heap.front += len+1;
adamc@137 1726 return r;
adamc@120 1727 }
adamc@120 1728
adamc@311 1729 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1730 char *r, *p;
adamc@137 1731
adamc@925 1732 if (s[0] == '\0')
adamc@925 1733 return "_";
adamc@925 1734
adamc@925 1735 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925 1736
adamc@925 1737 r = p = ctx->heap.front;
adamc@925 1738 if (s[0] == '_')
adamc@925 1739 *p++ = '_';
adamc@925 1740
adamc@925 1741 for (; *s; s++) {
adamc@1087 1742 unsigned char c = *s;
adamc@137 1743
adamc@137 1744 if (c == ' ')
adamc@137 1745 *p++ = '+';
adamc@137 1746 else if (isalnum(c))
adamc@137 1747 *p++ = c;
adamc@137 1748 else {
adamc@1259 1749 sprintf(p, ".%02X", c);
adamc@137 1750 p += 3;
adamc@137 1751 }
adamc@137 1752 }
adamc@137 1753
adamc@137 1754 *p++ = 0;
adamc@666 1755 ctx->heap.front = p;
adamc@137 1756 return r;
adamc@120 1757 }
adamc@120 1758
adamc@311 1759 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1760 if (b == uw_Basis_False)
adamc@186 1761 return "0";
adamc@186 1762 else
adamc@186 1763 return "1";
adamc@186 1764 }
adamc@186 1765
adam@1620 1766 char *uw_Basis_urlifySource(uw_context ctx, uw_Basis_source src) {
adam@1620 1767 char *r;
adam@1620 1768 int len;
adam@1620 1769 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1620 1770 r = ctx->heap.front;
adam@1620 1771 sprintf(r, "%d/%llu%n", src.context, src.source, &len);
adam@1620 1772 ctx->heap.front += len+1;
adam@1620 1773 return r;
adam@1620 1774 }
adam@1620 1775
adamc@311 1776 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1777 int len;
adamc@120 1778
adamc@666 1779 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1780 ctx->page.front += len;
adamc@120 1781 }
adamc@120 1782
adamc@428 1783 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1784 uw_check(ctx, INTS_MAX);
adamc@311 1785 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1786
adamc@428 1787 return uw_unit_v;
adamc@120 1788 }
adamc@120 1789
adamc@682 1790 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1791 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1792 int len;
adamc@682 1793
adamc@682 1794 uw_check(ctx, INTS_MAX + 1);
adamc@682 1795 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1796 ctx->page.front += len;
adamc@682 1797 }
adamc@682 1798
adamc@679 1799 return uw_unit_v;
adamc@679 1800 }
adamc@679 1801
adamc@428 1802 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1803 int len;
adamc@120 1804
adamc@311 1805 uw_check(ctx, FLOATS_MAX);
adamc@666 1806 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1807 ctx->page.front += len;
adamc@428 1808
adamc@428 1809 return uw_unit_v;
adamc@120 1810 }
adamc@120 1811
adamc@488 1812 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@1376 1813 return uw_Basis_urlifyInt(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adamc@488 1814 }
adamc@488 1815
adam@1404 1816 uw_unit uw_Basis_urlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1404 1817 return uw_Basis_urlifyInt_w(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adam@1404 1818 }
adam@1404 1819
adamc@428 1820 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925 1821 if (s[0] == '\0') {
adamc@925 1822 uw_check(ctx, 1);
adamc@925 1823 uw_writec_unsafe(ctx, '_');
adamc@925 1824 return uw_unit_v;
adamc@925 1825 }
adamc@925 1826
adamc@925 1827 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925 1828
adamc@925 1829 if (s[0] == '_')
adamc@925 1830 uw_writec_unsafe(ctx, '_');
adamc@120 1831
adamc@120 1832 for (; *s; s++) {
adamc@1087 1833 unsigned char c = *s;
adamc@120 1834
adamc@120 1835 if (c == ' ')
adamc@311 1836 uw_writec_unsafe(ctx, '+');
adamc@120 1837 else if (isalnum(c))
adamc@311 1838 uw_writec_unsafe(ctx, c);
adamc@120 1839 else {
adamc@1259 1840 sprintf(ctx->page.front, ".%02X", c);
adamc@666 1841 ctx->page.front += 3;
adamc@120 1842 }
adamc@120 1843 }
adamc@428 1844
adamc@428 1845 return uw_unit_v;
adamc@120 1846 }
adamc@120 1847
adamc@428 1848 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1849 if (b == uw_Basis_False)
adamc@311 1850 uw_writec(ctx, '0');
adamc@186 1851 else
adamc@311 1852 uw_writec(ctx, '1');
adamc@428 1853
adamc@428 1854 return uw_unit_v;
adamc@186 1855 }
adamc@186 1856
adam@1620 1857 uw_unit uw_Basis_urlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1620 1858 int len;
adam@1620 1859
adam@1620 1860 uw_check(ctx, 2 * INTS_MAX + 2);
adam@1620 1861 sprintf(ctx->page.front, "%d/%llu%n", src.context, src.source, &len);
adam@1620 1862 ctx->page.front += len;
adam@1620 1863
adam@1620 1864 return uw_unit_v;
adam@1620 1865 }
adam@1620 1866
adamc@120 1867
adamc@311 1868 static char *uw_unurlify_advance(char *s) {
adamc@144 1869 char *new_s = strchr(s, '/');
adamc@120 1870
adamc@120 1871 if (new_s)
adamc@120 1872 *new_s++ = 0;
adamc@120 1873 else
adamc@144 1874 new_s = strchr(s, 0);
adamc@144 1875
adamc@144 1876 return new_s;
adamc@144 1877 }
adamc@144 1878
adamc@311 1879 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 1880 char *new_s = uw_unurlify_advance(*s);
adamc@311 1881 uw_Basis_int r;
adamc@120 1882
adamc@276 1883 r = atoll(*s);
adamc@120 1884 *s = new_s;
adamc@120 1885 return r;
adamc@120 1886 }
adamc@120 1887
adamc@311 1888 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 1889 char *new_s = uw_unurlify_advance(*s);
adamc@311 1890 uw_Basis_float r;
adamc@120 1891
adamc@120 1892 r = atof(*s);
adamc@120 1893 *s = new_s;
adamc@120 1894 return r;
adamc@120 1895 }
adamc@120 1896
adamc@488 1897 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adam@1365 1898 uw_Basis_int n = uw_Basis_unurlifyInt(ctx, s);
adam@1365 1899 uw_Basis_time r = {n / 1000000, n % 1000000};
adam@1365 1900 return r;
adamc@488 1901 }
adamc@488 1902
adamc@1023 1903 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char *r, char *s) {
adamc@927 1904 char *s1, *s2 = s;
adamc@144 1905 int n;
adamc@136 1906
adamc@1023 1907 if (!fromClient) {
adamc@1023 1908 if (*s2 == '_')
adamc@1023 1909 ++s2;
adamc@1259 1910 else if ((s2[0] == '%' || s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@1023 1911 s2 += 3;
adamc@1023 1912 }
adamc@925 1913
adamc@927 1914 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087 1915 unsigned char c = *s2;
adamc@136 1916
adamc@136 1917 switch (c) {
adamc@136 1918 case '+':
adamc@136 1919 *s1 = ' ';
adamc@136 1920 break;
adamc@136 1921 case '%':
adamc@169 1922 if (s2[1] == 0)
adamc@311 1923 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 1924 if (s2[2] == 0)
adamc@311 1925 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 1926 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 1927 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@136 1928 *s1 = n;
adamc@136 1929 s2 += 2;
adamc@136 1930 break;
adamc@1259 1931 case '.':
adamc@1259 1932 if (!fromClient) {
adamc@1259 1933 if (s2[1] == 0)
adamc@1259 1934 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259 1935 if (s2[2] == 0)
adamc@1259 1936 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259 1937 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 1938 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@1259 1939 *s1 = n;
adamc@1259 1940 s2 += 2;
adamc@1259 1941 break;
adamc@1259 1942 }
adamc@136 1943 default:
adamc@136 1944 *s1 = c;
adamc@136 1945 }
adamc@136 1946 }
adamc@136 1947 *s1++ = 0;
adamc@144 1948 return s1;
adamc@144 1949 }
adamc@144 1950
adamc@311 1951 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 1952 char *new_s = uw_unurlify_advance(*s);
adamc@311 1953 uw_Basis_bool r;
adamc@186 1954
adamc@186 1955 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 1956 r = uw_Basis_False;
adamc@186 1957 else
adamc@311 1958 r = uw_Basis_True;
adamc@186 1959
adamc@186 1960 *s = new_s;
adamc@186 1961 return r;
adamc@186 1962 }
adamc@186 1963
adamc@311 1964 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 1965 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1966 char *r;
adamc@1134 1967 int len;
adamc@144 1968
adamc@200 1969 len = strlen(*s);
adamc@311 1970 uw_check_heap(ctx, len + 1);
adamc@144 1971
adamc@666 1972 r = ctx->heap.front;
adamc@1023 1973 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023 1974 *s = new_s;
adamc@1023 1975 return r;
adamc@1023 1976 }
adamc@1023 1977
adamc@1109 1978 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109 1979 *s = uw_unurlify_advance(*s);
adamc@1109 1980 return uw_unit_v;
adamc@1109 1981 }
adamc@1109 1982
adamc@1023 1983 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023 1984 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1985 char *r;
adamc@1134 1986 int len;
adamc@1023 1987
adamc@1023 1988 len = strlen(*s);
adamc@1023 1989 uw_check_heap(ctx, len + 1);
adamc@1023 1990
adamc@1023 1991 r = ctx->heap.front;
adamc@1023 1992 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136 1993 *s = new_s;
adamc@136 1994 return r;
adamc@120 1995 }
adamc@135 1996
adamc@135 1997
adamc@311 1998 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 1999 int len;
adamc@286 2000 char *r;
adamc@286 2001
adamc@311 2002 uw_check_heap(ctx, INTS_MAX);
adamc@666 2003 r = ctx->heap.front;
adamc@286 2004 sprintf(r, "%lld%n", n, &len);
adamc@666 2005 ctx->heap.front += len+1;
adamc@286 2006 return r;
adamc@286 2007 }
adamc@286 2008
adamc@428 2009 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 2010 int len;
adamc@286 2011
adamc@311 2012 uw_check(ctx, INTS_MAX);
adamc@666 2013 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 2014 ctx->page.front += len;
adamc@428 2015
adamc@428 2016 return uw_unit_v;
adamc@286 2017 }
adamc@286 2018
adam@1358 2019 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358 2020 unsigned int n = ch;
adam@1358 2021 int len;
adam@1358 2022 char *r;
adam@1358 2023
adam@1358 2024 uw_check_heap(ctx, INTS_MAX+3);
adam@1358 2025 r = ctx->heap.front;
adam@1358 2026 sprintf(r, "&#%u;%n", n, &len);
adam@1358 2027 ctx->heap.front += len+1;
adam@1358 2028 return r;
adam@1358 2029 }
adam@1358 2030
adam@1358 2031 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358 2032 unsigned int n = ch;
adam@1358 2033 int len;
adam@1358 2034
adam@1358 2035 uw_check(ctx, INTS_MAX+3);
adam@1358 2036 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358 2037 ctx->page.front += len;
adam@1358 2038 return uw_unit_v;
adam@1358 2039 }
adam@1358 2040
adamc@311 2041 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 2042 int len;
adamc@286 2043 char *r;
adamc@286 2044
adamc@311 2045 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2046 r = ctx->heap.front;
adamc@286 2047 sprintf(r, "%g%n", n, &len);
adamc@666 2048 ctx->heap.front += len+1;
adamc@286 2049 return r;
adamc@286 2050 }
adamc@286 2051
adamc@428 2052 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 2053 int len;
adamc@286 2054
adamc@311 2055 uw_check(ctx, FLOATS_MAX);
adamc@666 2056 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 2057 ctx->page.front += len;
adamc@428 2058
adamc@428 2059 return uw_unit_v;
adamc@286 2060 }
adamc@286 2061
adam@1365 2062 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time t) {
adam@1360 2063 int len;
adam@1360 2064 char *r;
adam@1360 2065
adam@1360 2066 uw_check_heap(ctx, INTS_MAX);
adam@1360 2067 r = ctx->heap.front;
adamc@1377 2068 sprintf(r, "%lld%n", (uw_Basis_int)t.seconds * 1000000 + t.microseconds, &len);
adam@1360 2069 ctx->heap.front += len+1;
adam@1360 2070 return r;
adam@1360 2071 }
adam@1360 2072
adam@1365 2073 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_int n) {
adam@1360 2074 int len;
adam@1360 2075
adam@1360 2076 uw_check(ctx, INTS_MAX);
adam@1360 2077 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360 2078 ctx->page.front += len;
adam@1360 2079
adam@1360 2080 return uw_unit_v;
adam@1360 2081 }
adam@1360 2082
adam@1444 2083 char *uw_Basis_htmlifyString(uw_context ctx, const char *s) {
adamc@137 2084 char *r, *s2;
adamc@137 2085
adamc@311 2086 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 2087
adamc@666 2088 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054 2089 unsigned char c = *s;
adamc@137 2090
adamc@137 2091 switch (c) {
adamc@137 2092 case '<':
adamc@137 2093 strcpy(s2, "&lt;");
adamc@137 2094 s2 += 4;
adamc@137 2095 break;
adamc@137 2096 case '&':
adamc@137 2097 strcpy(s2, "&amp;");
adamc@137 2098 s2 += 5;
adamc@137 2099 break;
adamc@137 2100 default:
adamc@1059 2101 *s2++ = c;
adamc@137 2102 }
adamc@137 2103 }
adamc@137 2104
adamc@137 2105 *s2++ = 0;
adamc@666 2106 ctx->heap.front = s2;
adamc@137 2107 return r;
adamc@135 2108 }
adamc@135 2109
adamc@428 2110 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 2111 uw_check(ctx, strlen(s) * 6);
adamc@135 2112
adamc@135 2113 for (; *s; s++) {
adamc@1054 2114 unsigned char c = *s;
adamc@135 2115
adamc@135 2116 switch (c) {
adamc@135 2117 case '<':
adamc@311 2118 uw_write_unsafe(ctx, "&lt;");
adamc@135 2119 break;
adamc@135 2120 case '&':
adamc@311 2121 uw_write_unsafe(ctx, "&amp;");
adamc@135 2122 break;
adamc@135 2123 default:
adamc@1059 2124 uw_writec_unsafe(ctx, c);
adamc@135 2125 }
adamc@135 2126 }
adamc@428 2127
adamc@428 2128 return uw_unit_v;
adamc@135 2129 }
adamc@180 2130
adamc@311 2131 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2132 if (b == uw_Basis_False)
adamc@286 2133 return "False";
adamc@286 2134 else
adamc@286 2135 return "True";
adamc@286 2136 }
adamc@286 2137
adamc@428 2138 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 2139 if (b == uw_Basis_False) {
adamc@311 2140 uw_check(ctx, 6);
adamc@666 2141 strcpy(ctx->page.front, "False");
adamc@666 2142 ctx->page.front += 5;
adamc@286 2143 } else {
adamc@311 2144 uw_check(ctx, 5);
adamc@666 2145 strcpy(ctx->page.front, "True");
adamc@666 2146 ctx->page.front += 4;
adamc@286 2147 }
adamc@428 2148
adamc@428 2149 return uw_unit_v;
adamc@286 2150 }
adamc@286 2151
adamc@436 2152 #define TIME_FMT "%x %X"
adamc@438 2153 #define TIME_FMT_PG "%Y-%m-%d %T"
adam@1632 2154 #define TIME_FMT_JS "%Y/%m/%d %T"
adamc@436 2155
adam@1629 2156 uw_Basis_string uw_Basis_timeToString(uw_context, uw_Basis_time);
adam@1629 2157
adamc@436 2158 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adam@1629 2159 return uw_Basis_htmlifyString(ctx, uw_Basis_timeToString(ctx, t));
adamc@436 2160 }
adamc@436 2161
adamc@436 2162 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1629 2163 return uw_Basis_htmlifyString_w(ctx, uw_Basis_timeToString(ctx, t));
adamc@436 2164 }
adamc@436 2165
adam@1446 2166 char *uw_Basis_htmlifySource(uw_context ctx, uw_Basis_source src) {
adam@1446 2167 int len;
adam@1446 2168 char *r;
adam@1446 2169
adam@1446 2170 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1446 2171 r = ctx->heap.front;
adam@1446 2172 sprintf(r, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2173 ctx->heap.front += len+1;
adam@1446 2174 return r;
adam@1446 2175 }
adam@1446 2176
adam@1446 2177 uw_unit uw_Basis_htmlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1446 2178 int len;
adam@1446 2179
adam@1446 2180 uw_check(ctx, 2 * INTS_MAX + 1);
adam@1446 2181 sprintf(ctx->page.front, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2182 ctx->page.front += len;
adam@1446 2183
adam@1446 2184 return uw_unit_v;
adam@1446 2185 }
adam@1446 2186
adamc@821 2187 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2188 while (n >= 0) {
adam@1388 2189 if (*s == 0)
adam@1388 2190 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adam@1388 2191
adam@1388 2192 if (n == 0)
adam@1388 2193 return *s;
adam@1388 2194
adam@1388 2195 --n;
adam@1388 2196 ++s;
adam@1388 2197 }
adam@1388 2198
adam@1388 2199 uw_error(ctx, FATAL, "Negative strsub bound");
adamc@821 2200 }
adamc@821 2201
adamc@821 2202 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2203 while (n >= 0) {
adam@1388 2204 if (*s == 0 || n == 0)
adam@1388 2205 return s;
adam@1388 2206
adam@1388 2207 --n;
adam@1388 2208 ++s;
adam@1388 2209 }
adam@1388 2210
adam@1388 2211 uw_error(ctx, FATAL, "Negative strsuffix bound");
adamc@821 2212 }
adamc@821 2213
adamc@828 2214 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 2215 return strlen(s);
adamc@828 2216 }
adamc@828 2217
adam@1388 2218 uw_Basis_bool uw_Basis_strlenGe(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2219 while (n > 0) {
adam@1388 2220 if (*s == 0)
adam@1388 2221 return uw_Basis_False;
adam@1388 2222
adam@1388 2223 --n;
adam@1388 2224 ++s;
adam@1388 2225 }
adam@1388 2226
adam@1388 2227 return uw_Basis_True;
adam@1388 2228 }
adam@1388 2229
adamc@829 2230 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2231 return strchr(s, ch);
adamc@829 2232 }
adamc@829 2233
adamc@831 2234 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 2235 return strcspn(s, chs);
adamc@831 2236 }
adamc@831 2237
adamc@829 2238 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2239 uw_Basis_string r = strchr(s, ch);
adamc@829 2240 if (r == NULL)
adamc@829 2241 return NULL;
adamc@829 2242 else {
adamc@829 2243 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 2244 *nr = r - s;
adamc@829 2245 return nr;
adamc@829 2246 }
adamc@829 2247 }
adamc@829 2248
adam@1390 2249 uw_Basis_int *uw_Basis_strsindex(uw_context ctx, const char *haystack, const char *needle) {
adam@1390 2250 uw_Basis_string r = strstr(haystack, needle);
adam@1390 2251 if (r == NULL)
adam@1390 2252 return NULL;
adam@1390 2253 else {
adam@1390 2254 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adam@1390 2255 *nr = r - haystack;
adam@1390 2256 return nr;
adam@1390 2257 }
adam@1390 2258 }
adam@1390 2259
adamc@311 2260 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 2261 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 2262 char *s;
adamc@180 2263
adamc@311 2264 uw_check_heap(ctx, len);
adamc@180 2265
adamc@666 2266 s = ctx->heap.front;
adamc@180 2267
adamc@180 2268 strcpy(s, s1);
adamc@180 2269 strcat(s, s2);
adamc@666 2270 ctx->heap.front += len;
adamc@180 2271
adamc@180 2272 return s;
adamc@180 2273 }
adamc@278 2274
adamc@829 2275 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 2276 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 2277
adamc@829 2278 if (start < 0)
adamc@829 2279 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 2280 if (len < 0)
adamc@829 2281 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 2282 if (start + len > full_len)
adamc@829 2283 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 2284
adamc@829 2285 if (start + len == full_len)
adamc@829 2286 return &s[start];
adamc@829 2287 else {
adamc@829 2288 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 2289 memcpy(r, s+start, len);
adamc@829 2290 r[len] = 0;
adamc@829 2291 return r;
adamc@829 2292 }
adamc@829 2293
adamc@829 2294 }
adamc@829 2295
adamc@1023 2296 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023 2297 char *r;
adamc@1023 2298
adamc@1023 2299 uw_check_heap(ctx, 2);
adamc@1023 2300 r = ctx->heap.front;
adamc@1023 2301 r[0] = ch;
adamc@1023 2302 r[1] = 0;
adamc@1023 2303
adamc@1023 2304 ctx->heap.front += 2;
adamc@1023 2305
adamc@1023 2306 return r;
adamc@1023 2307 }
adamc@1023 2308
adamc@737 2309 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 2310 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 2311 char *s;
adamc@278 2312
adamc@311 2313 uw_check_heap(ctx, len);
adamc@278 2314
adamc@666 2315 s = ctx->heap.front;
adamc@278 2316
adamc@278 2317 strcpy(s, s1);
adamc@666 2318 ctx->heap.front += len;
adamc@278 2319
adamc@278 2320 return s;
adamc@278 2321 }
adamc@280 2322
adam@1295 2323 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295 2324 if (ctx->error_message[0]) {
adam@1295 2325 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295 2326 ctx->error_message[0] = 0;
adam@1295 2327 return s;
adam@1295 2328 } else
adam@1295 2329 return NULL;
adam@1295 2330 }
adam@1295 2331
adamc@737 2332 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 2333 if (s1)
adamc@737 2334 return uw_strdup(ctx, s1);
adamc@493 2335 else
adamc@493 2336 return NULL;
adamc@493 2337 }
adamc@493 2338
adamc@742 2339 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 2340 char *r = uw_malloc(ctx, len);
adamc@742 2341 memcpy(r, p, len);
adamc@742 2342 return r;
adamc@742 2343 }
adamc@280 2344
adamc@879 2345 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 2346
adamc@311 2347 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 2348 int len;
adamc@281 2349 char *r;
adamc@281 2350
adamc@311 2351 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 2352 r = ctx->heap.front;
adamc@879 2353 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 2354 ctx->heap.front += len+1;
adamc@281 2355 return r;
adamc@281 2356 }
adamc@281 2357
adamc@467 2358 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 2359 if (n == NULL)
adamc@467 2360 return "NULL";
adamc@467 2361 else
adamc@467 2362 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 2363 }
adamc@467 2364
adamc@879 2365 char *uw_sqlfmtFloat = "%g::float8%n";
adamc@879 2366
adamc@311 2367 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 2368 int len;
adamc@281 2369 char *r;
adamc@281 2370
adamc@311 2371 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 2372 r = ctx->heap.front;
adamc@879 2373 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 2374 ctx->heap.front += len+1;
adamc@281 2375 return r;
adamc@281 2376 }
adamc@281 2377
adamc@467 2378 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 2379 if (n == NULL)
adamc@467 2380 return "NULL";
adamc@467 2381 else
adamc@467 2382 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 2383 }
adamc@467 2384
adamc@879 2385 int uw_Estrings = 1;
adamc@879 2386 char *uw_sqlsuffixString = "::text";
adamc@1011 2387 char *uw_sqlsuffixChar = "::char";
adamc@281 2388
adamc@311 2389 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 2390 char *r, *s2;
adamc@280 2391
adamc@879 2392 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 2393
adamc@666 2394 r = s2 = ctx->heap.front;
adamc@879 2395 if (uw_Estrings)
adamc@879 2396 *s2++ = 'E';
adamc@280 2397 *s2++ = '\'';
adamc@280 2398
adamc@280 2399 for (; *s; s++) {
adamc@280 2400 char c = *s;
adamc@280 2401
adamc@280 2402 switch (c) {
adamc@280 2403 case '\'':
adamc@885 2404 if (uw_Estrings)
adamc@885 2405 strcpy(s2, "\\'");
adamc@885 2406 else
adamc@885 2407 strcpy(s2, "''");
adamc@280 2408 s2 += 2;
adamc@280 2409 break;
adamc@280 2410 case '\\':
adamc@885 2411 if (uw_Estrings) {
adamc@885 2412 strcpy(s2, "\\\\");
adamc@885 2413 s2 += 2;
adamc@885 2414 } else
adamc@885 2415 *s2++ = '\\';
adamc@280 2416 break;
adamc@280 2417 default:
adamc@1150 2418 if (isprint((int)c))
adamc@280 2419 *s2++ = c;
adamc@879 2420 else if (uw_Estrings) {
adamc@737 2421 sprintf(s2, "\\%03o", c);
adamc@280 2422 s2 += 4;
adamc@280 2423 }
adamc@879 2424 else
adam@1689 2425 *s2++ = c; // I hope this is safe to do... don't know how to support UTF-8 outside Postgres otherwise!
adamc@280 2426 }
adamc@280 2427 }
adamc@280 2428
adamc@879 2429 *s2++ = '\'';
adamc@879 2430 strcpy(s2, uw_sqlsuffixString);
adamc@879 2431 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2432 return r;
adamc@280 2433 }
adamc@281 2434
adamc@1011 2435 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 2436 char *r, *s2;
adamc@1011 2437
adamc@1011 2438 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011 2439
adamc@1011 2440 r = s2 = ctx->heap.front;
adamc@1011 2441 if (uw_Estrings)
adamc@1011 2442 *s2++ = 'E';
adamc@1011 2443 *s2++ = '\'';
adamc@1011 2444
adamc@1011 2445 switch (c) {
adamc@1011 2446 case '\'':
adamc@1011 2447 if (uw_Estrings)
adamc@1011 2448 strcpy(s2, "\\'");
adamc@1011 2449 else
adamc@1011 2450 strcpy(s2, "''");
adamc@1011 2451 s2 += 2;
adamc@1011 2452 break;
adamc@1011 2453 case '\\':
adamc@1011 2454 if (uw_Estrings) {
adamc@1011 2455 strcpy(s2, "\\\\");
adamc@1011 2456 s2 += 2;
adamc@1011 2457 } else
adamc@1011 2458 *s2++ = '\\';
adamc@1011 2459 break;
adamc@1011 2460 default:
adamc@1150 2461 if (isprint((int)c))
adamc@1011 2462 *s2++ = c;
adamc@1011 2463 else if (uw_Estrings) {
adamc@1011 2464 sprintf(s2, "\\%03o", c);
adamc@1011 2465 s2 += 4;
adamc@1011 2466 }
adamc@1011 2467 else
adamc@1011 2468 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011 2469 }
adamc@1011 2470
adamc@1011 2471 *s2++ = '\'';
adamc@1011 2472 strcpy(s2, uw_sqlsuffixChar);
adamc@1011 2473 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011 2474 return r;
adamc@1011 2475 }
adamc@1011 2476
adamc@879 2477 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2478
adamc@737 2479 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2480 char *r, *s2;
adamc@737 2481 size_t i;
adamc@737 2482
adamc@879 2483 uw_check_heap(ctx, b.size * 5 + 3 + uw_Estrings + strlen(uw_sqlsuffixBlob));
adamc@737 2484
adamc@737 2485 r = s2 = ctx->heap.front;
adamc@879 2486 if (uw_Estrings)
adamc@879 2487 *s2++ = 'E';
adamc@737 2488 *s2++ = '\'';
adamc@737 2489
adamc@737 2490 for (i = 0; i < b.size; ++i) {
adamc@737 2491 char c = b.data[i];
adamc@737 2492
adamc@737 2493 switch (c) {
adamc@737 2494 case '\'':
adamc@885 2495 if (uw_Estrings)
adamc@885 2496 strcpy(s2, "\\'");
adamc@885 2497 else
adamc@885 2498 strcpy(s2, "''");
adamc@737 2499 s2 += 2;
adamc@737 2500 break;
adamc@737 2501 case '\\':
adamc@885 2502 if (uw_Estrings) {
adamc@885 2503 strcpy(s2, "\\\\\\\\");
adamc@885 2504 s2 += 4;
adamc@885 2505 } else
adamc@885 2506 *s2++ = '\\';
adamc@737 2507 break;
adamc@737 2508 default:
adamc@1150 2509 if (isprint((int)c))
adamc@737 2510 *s2++ = c;
adamc@879 2511 else if (uw_Estrings) {
adamc@737 2512 sprintf(s2, "\\\\%03o", c);
adamc@737 2513 s2 += 5;
adamc@737 2514 }
adamc@879 2515 else
adamc@879 2516 uw_error(ctx, FATAL, "Non-printable character %u in blob to SQLify", c);
adamc@737 2517 }
adamc@737 2518 }
adamc@737 2519
adamc@879 2520 *s2++ = '\'';
adamc@879 2521 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2522 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2523 return r;
adamc@737 2524 }
adamc@737 2525
adamc@682 2526 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2527 int len;
adamc@682 2528 char *r;
adamc@682 2529 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2530
adamc@682 2531 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2532 r = ctx->heap.front;
adamc@879 2533 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2534 ctx->heap.front += len+1;
adamc@682 2535 return r;
adamc@682 2536 }
adamc@682 2537
adamc@682 2538 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2539 int len;
adamc@682 2540 char *r;
adamc@682 2541 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2542
adamc@682 2543 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2544 r = ctx->heap.front;
adamc@682 2545 sprintf(r, "%lld%n", combo, &len);
adamc@682 2546 ctx->heap.front += len+1;
adamc@682 2547 return r;
adamc@682 2548 }
adamc@682 2549
adamc@879 2550 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2551
adamc@682 2552 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2553 int len;
adamc@682 2554 char *r;
adamc@682 2555
adamc@682 2556 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2557 r = ctx->heap.front;
adamc@879 2558 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2559 ctx->heap.front += len+1;
adamc@682 2560 return r;
adamc@682 2561 }
adamc@682 2562
adamc@682 2563 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2564 int len;
adamc@682 2565 char *r;
adamc@682 2566
adamc@682 2567 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2568 r = ctx->heap.front;
adamc@682 2569 sprintf(r, "%u%n", cli, &len);
adamc@682 2570 ctx->heap.front += len+1;
adamc@682 2571 return r;
adamc@682 2572 }
adamc@682 2573
adamc@467 2574 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2575 if (s == NULL)
adamc@467 2576 return "NULL";
adamc@467 2577 else
adamc@467 2578 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2579 }
adamc@467 2580
adamc@311 2581 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2582 if (b == uw_Basis_False)
adamc@281 2583 return "FALSE";
adamc@281 2584 else
adamc@281 2585 return "TRUE";
adamc@281 2586 }
adamc@282 2587
adamc@467 2588 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2589 if (b == NULL)
adamc@467 2590 return "NULL";
adamc@467 2591 else
adamc@467 2592 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2593 }
adamc@467 2594
adamc@439 2595 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2596 size_t len;
adamc@682 2597 char *r, *s;
adam@1392 2598 struct tm stm = {};
adam@1392 2599 stm.tm_isdst = -1;
adamc@682 2600
adam@1365 2601 if (localtime_r(&t.seconds, &stm)) {
adamc@682 2602 s = uw_malloc(ctx, TIMES_MAX);
adam@1364 2603 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1367 2604 if (t.microseconds) {
adam@1367 2605 r = uw_malloc(ctx, len + 21);
adam@1367 2606 sprintf(r, "'%s.%06u'::timestamp", s, t.microseconds);
adam@1367 2607 } else {
adam@1367 2608 r = uw_malloc(ctx, len + 14);
adam@1367 2609 sprintf(r, "'%s'::timestamp", s);
adam@1367 2610 }
adamc@682 2611 return r;
adamc@682 2612 } else
adamc@682 2613 return "<Invalid time>";
adamc@682 2614 }
adamc@682 2615
adamc@682 2616 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2617 size_t len;
adamc@439 2618 char *r;
adam@1392 2619 struct tm stm = {};
adam@1392 2620 stm.tm_isdst = -1;
adamc@439 2621
adam@1365 2622 if (localtime_r(&t.seconds, &stm)) {
adamc@439 2623 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2624 r = ctx->heap.front;
adamc@439 2625 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2626 ctx->heap.front += len+1;
adamc@439 2627 return r;
adamc@439 2628 } else
adamc@439 2629 return "<Invalid time>";
adamc@439 2630 }
adamc@439 2631
adam@1364 2632 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364 2633 size_t len;
adam@1364 2634 char *r;
adam@1392 2635 struct tm stm = {};
adam@1392 2636 stm.tm_isdst = -1;
adam@1364 2637
adam@1365 2638 if (localtime_r(&t.seconds, &stm)) {
adam@1364 2639 uw_check_heap(ctx, TIMES_MAX);
adam@1364 2640 r = ctx->heap.front;
adam@1365 2641 len = strftime(r, TIMES_MAX-7, TIME_FMT_PG, &stm);
adam@1365 2642 ctx->heap.front += len;
adam@1365 2643 sprintf(ctx->heap.front, ".%06u", t.microseconds);
adam@1365 2644 ctx->heap.front += 8;
adam@1364 2645 return r;
adam@1364 2646 } else
adam@1364 2647 return "<Invalid time>";
adam@1364 2648 }
adam@1364 2649
adamc@467 2650 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2651 if (t == NULL)
adamc@467 2652 return "NULL";
adamc@467 2653 else
adamc@467 2654 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2655 }
adamc@467 2656
adamc@311 2657 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2658 static uw_Basis_int true = 1;
adamc@311 2659 static uw_Basis_int false = 0;
adamc@282 2660
adamc@311 2661 if (b == uw_Basis_False)
adamc@282 2662 return (char *)&false;
adamc@282 2663 else
adamc@282 2664 return (char *)&true;
adamc@282 2665 }
adamc@284 2666
adamc@311 2667 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2668 int len;
adamc@284 2669 char *r;
adamc@284 2670
adamc@311 2671 uw_check_heap(ctx, INTS_MAX);
adamc@666 2672 r = ctx->heap.front;
adamc@284 2673 sprintf(r, "%lld%n", n, &len);
adamc@666 2674 ctx->heap.front += len+1;
adamc@284 2675 return r;
adamc@284 2676 }
adamc@285 2677
adamc@311 2678 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2679 int len;
adamc@285 2680 char *r;
adamc@285 2681
adamc@311 2682 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2683 r = ctx->heap.front;
adamc@285 2684 sprintf(r, "%g%n", n, &len);
adamc@666 2685 ctx->heap.front += len+1;
adamc@285 2686 return r;
adamc@285 2687 }
adamc@285 2688
adamc@821 2689 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2690 char *r = uw_malloc(ctx, 2);
adamc@821 2691 r[0] = ch;
adamc@821 2692 r[1] = 0;
adamc@821 2693 return r;
adamc@821 2694 }
adamc@821 2695
adamc@311 2696 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2697 if (b == uw_Basis_False)
adamc@285 2698 return "False";
adamc@285 2699 else
adamc@285 2700 return "True";
adamc@285 2701 }
adamc@288 2702
adam@1359 2703 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352 2704 size_t len;
adam@1352 2705 char *r;
adam@1392 2706 struct tm stm = {};
adam@1392 2707 stm.tm_isdst = -1;
adam@1352 2708
adam@1365 2709 if (localtime_r(&t.seconds, &stm)) {
adam@1352 2710 uw_check_heap(ctx, TIMES_MAX);
adam@1352 2711 r = ctx->heap.front;
adam@1352 2712 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352 2713 ctx->heap.front += len+1;
adam@1352 2714 return r;
adam@1352 2715 } else
adam@1352 2716 return "<Invalid time>";
adam@1352 2717 }
adam@1352 2718
adam@1629 2719 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adam@1629 2720 return uw_Basis_timef(ctx, ctx->app->time_format, t);
adam@1629 2721 }
adam@1629 2722
adamc@311 2723 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2724 char *endptr;
adamc@311 2725 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2726
adamc@288 2727 if (*s != '\0' && *endptr == '\0') {
adamc@311 2728 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2729 *r = n;
adamc@288 2730 return r;
adamc@288 2731 } else
adamc@288 2732 return NULL;
adamc@288 2733 }
adamc@289 2734
adamc@311 2735 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2736 char *endptr;
adamc@311 2737 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2738
adamc@289 2739 if (*s != '\0' && *endptr == '\0') {
adamc@311 2740 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2741 *r = n;
adamc@289 2742 return r;
adamc@289 2743 } else
adamc@289 2744 return NULL;
adamc@289 2745 }
adamc@289 2746
adamc@821 2747 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2748 if (s[0] == 0) {
adamc@821 2749 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2750 r[0] = 0;
adamc@821 2751 return r;
adamc@821 2752 } else if (s[1] != 0)
adamc@821 2753 return NULL;
adamc@821 2754 else {
adamc@821 2755 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2756 r[0] = s[0];
adamc@821 2757 return r;
adamc@821 2758 }
adamc@821 2759 }
adamc@821 2760
adamc@311 2761 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2762 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2763 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2764
adamc@289 2765 if (!strcasecmp (s, "True"))
adamc@289 2766 return &true;
adamc@289 2767 else if (!strcasecmp (s, "False"))
adamc@289 2768 return &false;
adamc@289 2769 else
adamc@289 2770 return NULL;
adamc@289 2771 }
adamc@292 2772
adamc@436 2773 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2774 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1374 2775 struct tm stm = {};
adam@1392 2776 stm.tm_isdst = -1;
adamc@436 2777
adamc@439 2778 if (dot) {
adamc@439 2779 *dot = 0;
adamc@439 2780 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2781 *dot = '.';
adamc@439 2782 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2783 r->seconds = mktime(&stm);
adam@1365 2784 r->microseconds = 0;
adamc@439 2785 return r;
adamc@439 2786 }
adamc@439 2787 else {
adamc@439 2788 *dot = '.';
adamc@439 2789 return NULL;
adamc@439 2790 }
adamc@436 2791 }
adamc@439 2792 else {
adamc@439 2793 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2794 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2795 r->seconds = mktime(&stm);
adam@1365 2796 r->microseconds = 0;
adamc@439 2797 return r;
adamc@439 2798 }
adamc@439 2799 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2800 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2801 r->seconds = mktime(&stm);
adam@1365 2802 r->microseconds = 0;
adamc@439 2803 return r;
adam@1632 2804 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632 2805 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1632 2806 r->seconds = mktime(&stm);
adam@1632 2807 r->microseconds = 0;
adam@1632 2808 return r;
adamc@439 2809 }
adamc@439 2810 else
adamc@439 2811 return NULL;
adamc@439 2812 }
adamc@436 2813 }
adamc@436 2814
adam@1352 2815 uw_Basis_time *uw_Basis_stringToTimef(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2816 char *end = strchr(s, 0);
adam@1374 2817 struct tm stm = {};
adam@1392 2818 stm.tm_isdst = -1;
adam@1352 2819
adam@1352 2820 if (strptime(s, fmt, &stm) == end) {
adam@1352 2821 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2822 r->seconds = mktime(&stm);
adam@1365 2823 r->microseconds = 0;
adam@1352 2824 return r;
adam@1352 2825 }
adam@1352 2826 else
adam@1352 2827 return NULL;
adam@1352 2828 }
adam@1352 2829
adamc@311 2830 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 2831 char *endptr;
adamc@311 2832 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 2833
adamc@292 2834 if (*s != '\0' && *endptr == '\0')
adamc@292 2835 return n;
adamc@292 2836 else
adam@1444 2837 uw_error(ctx, FATAL, "Can't parse int: %s", uw_Basis_htmlifyString(ctx, s));
adamc@292 2838 }
adamc@293 2839
adamc@682 2840 #include <errno.h>
adamc@682 2841
adamc@678 2842 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 2843 unsigned long long n;
adamc@682 2844
adamc@682 2845 if (sscanf(s, "%llu", &n) < 1)
adam@1444 2846 uw_error(ctx, FATAL, "Can't parse channel: %s", uw_Basis_htmlifyString(ctx, s));
adamc@682 2847 else {
adamc@682 2848 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 2849 return ch;
adamc@682 2850 }
adamc@682 2851 }
adamc@682 2852
adamc@682 2853 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 2854 char *endptr;
adamc@682 2855 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 2856
adamc@678 2857 if (*s != '\0' && *endptr == '\0')
adamc@678 2858 return n;
adamc@678 2859 else
adam@1444 2860 uw_error(ctx, FATAL, "Can't parse client: %s", uw_Basis_htmlifyString(ctx, s));
adamc@678 2861 }
adamc@678 2862
adamc@311 2863 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 2864 char *endptr;
adamc@311 2865 uw_Basis_float n = strtod(s, &endptr);
adamc@293 2866
adamc@293 2867 if (*s != '\0' && *endptr == '\0')
adamc@293 2868 return n;
adamc@293 2869 else
adam@1444 2870 uw_error(ctx, FATAL, "Can't parse float: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 2871 }
adamc@293 2872
adamc@821 2873 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 2874 if (s[0] == 0)
adamc@821 2875 return 0;
adamc@821 2876 else if (s[1] != 0)
adam@1444 2877 uw_error(ctx, FATAL, "Can't parse char: %s", uw_Basis_htmlifyString(ctx, s));
adamc@821 2878 else
adamc@821 2879 return s[0];
adamc@821 2880 }
adamc@821 2881
adamc@311 2882 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 2883 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 2884 return uw_Basis_True;
adamc@296 2885 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 2886 return uw_Basis_False;
adamc@293 2887 else
adam@1444 2888 uw_error(ctx, FATAL, "Can't parse bool: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 2889 }
adamc@436 2890
adam@1352 2891 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352 2892 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1352 2893 struct tm stm = {};
adam@1392 2894 stm.tm_isdst = -1;
adam@1352 2895
adam@1352 2896 if (dot) {
adam@1352 2897 *dot = 0;
adam@1352 2898 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352 2899 *dot = '.';
adam@1410 2900 char usec[] = "000000";
adam@1410 2901 int len = strlen(dot+1);
adam@1410 2902 memcpy(usec, dot+1, len < 6 ? len : 6);
adam@1410 2903 uw_Basis_time r = { mktime(&stm), atoi(usec) };
adam@1365 2904 return r;
adam@1352 2905 }
adam@1352 2906 else {
adam@1352 2907 *dot = '.';
adam@1444 2908 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 2909 }
adam@1352 2910 }
adam@1352 2911 else {
adam@1352 2912 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 2913 uw_Basis_time r = { mktime(&stm) };
adam@1365 2914 return r;
adam@1352 2915 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 2916 uw_Basis_time r = { mktime(&stm) };
adam@1365 2917 return r;
adam@1352 2918 } else
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
adamc@436 2923 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 2924 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2925 struct tm stm = {};
adam@1392 2926 stm.tm_isdst = -1;
adamc@436 2927
adamc@438 2928 if (dot) {
adamc@438 2929 *dot = 0;
adamc@438 2930 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 2931 *dot = '.';
adam@1365 2932 {
adam@1365 2933 uw_Basis_time r = { mktime(&stm) };
adam@1365 2934 return r;
adam@1365 2935 }
adamc@438 2936 }
adamc@438 2937 else {
adamc@438 2938 *dot = '.';
adam@1444 2939 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 2940 }
adamc@438 2941 }
adamc@438 2942 else {
adam@1365 2943 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 2944 uw_Basis_time r = { mktime(&stm) };
adam@1365 2945 return r;
adam@1365 2946 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 2947 uw_Basis_time r = { mktime(&stm) };
adam@1365 2948 return r;
adam@1632 2949 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632 2950 uw_Basis_time r = { mktime(&stm) };
adam@1632 2951 return r;
adam@1365 2952 } else
adam@1444 2953 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 2954 }
adamc@436 2955 }
adamc@457 2956
adam@1352 2957 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2958 char *end = strchr(s, 0);
adamc@939 2959 struct tm stm = {};
adam@1392 2960 stm.tm_isdst = -1;
adamc@939 2961
adam@1365 2962 if (strptime(s, fmt, &stm) == end) {
adam@1365 2963 uw_Basis_time r = { mktime(&stm) };
adam@1365 2964 return r;
adam@1365 2965 } else
adam@1444 2966 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@939 2967 }
adamc@939 2968
adamc@742 2969 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 2970 char *r = ctx->heap.front;
adamc@742 2971 uw_Basis_blob b = {len, r};
adamc@742 2972
adamc@742 2973 uw_check_heap(ctx, len);
adamc@742 2974
adamc@742 2975 while (*s) {
adamc@742 2976 if (s[0] == '\\') {
adamc@742 2977 if (s[1] == '\\') {
adamc@742 2978 *r++ = '\\';
adamc@742 2979 s += 2;
adamc@1153 2980 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adamc@742 2981 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adamc@742 2982 s += 4;
adamc@742 2983 }
adamc@742 2984 else {
adamc@742 2985 *r++ = '\\';
adamc@742 2986 ++s;
adamc@742 2987 }
adamc@742 2988 } else {
adamc@742 2989 *r++ = s[0];
adamc@742 2990 ++s;
adamc@742 2991 }
adamc@742 2992 }
adamc@742 2993
adamc@742 2994 b.size = r - ctx->heap.front;
adamc@742 2995 ctx->heap.front = r;
adamc@742 2996 return b;
adamc@742 2997 }
adamc@742 2998
adam@1402 2999 #define THE_PAST "expires=Sat, 01-Jan-2011 00:00:00 GMT"
adamc@1052 3000
adamc@463 3001 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 3002 int len = strlen(c);
adamc@854 3003 char *p = ctx->outHeaders.start;
adamc@474 3004
adamc@1134 3005 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474 3006 char *p2;
adamc@474 3007 p += 13;
adamc@474 3008 p2 = strchr(p, '=');
adamc@474 3009
adamc@474 3010 if (p2) {
adamc@474 3011 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 3012
adamc@474 3013 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052 3014 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052 3015 return NULL;
adamc@1052 3016 else {
adamc@1052 3017 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052 3018 memcpy(ret, p2+1, sz);
adamc@1052 3019 ret[sz] = 0;
adamc@1052 3020 return ret;
adamc@1052 3021 }
adamc@474 3022 }
adamc@474 3023 }
adamc@474 3024 }
adamc@463 3025
adamc@1134 3026 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051 3027 char *p2;
adamc@1051 3028
adamc@854 3029 while (1) {
adamc@1051 3030 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134 3031 if ((p2 = strchr(p, ';'))) {
adamc@1051 3032 size_t n = p2 - (p + len);
adamc@1051 3033 char *r = uw_malloc(ctx, n);
adamc@1051 3034 memcpy(r, p + 1 + len, n-1);
adamc@1051 3035 r[n-1] = 0;
adamc@1051 3036 return r;
adamc@1051 3037 } else
adamc@1051 3038 return p + 1 + len;
adamc@1134 3039 } else if ((p = strchr(p, ';')))
adamc@854 3040 p += 2;
adamc@463 3041 else
adamc@463 3042 return NULL;
adamc@463 3043 }
adamc@463 3044 }
adamc@792 3045
adamc@792 3046 return NULL;
adamc@457 3047 }
adamc@462 3048
adamc@1050 3049 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 3050 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 3051 uw_write_header(ctx, c);
adamc@462 3052 uw_write_header(ctx, "=");
adamc@462 3053 uw_write_header(ctx, v);
adamc@466 3054 uw_write_header(ctx, "; path=");
adamc@466 3055 uw_write_header(ctx, prefix);
adamc@1050 3056 if (expires) {
adamc@1050 3057 char formatted[30];
adam@1392 3058 struct tm tm = {};
adam@1392 3059 tm.tm_isdst = -1;
adamc@1050 3060
adam@1365 3061 gmtime_r(&expires->seconds, &tm);
adamc@1050 3062
adamc@1050 3063 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050 3064
adamc@1050 3065 uw_write_header(ctx, "; expires=");
adamc@1050 3066 uw_write_header(ctx, formatted);
adamc@1050 3067 }
adamc@1050 3068 if (secure)
adamc@1050 3069 uw_write_header(ctx, "; secure");
adamc@462 3070 uw_write_header(ctx, "\r\n");
adamc@462 3071
adamc@462 3072 return uw_unit_v;
adamc@462 3073 }
adamc@667 3074
adamc@1050 3075 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050 3076 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050 3077 uw_write_header(ctx, c);
adamc@1050 3078 uw_write_header(ctx, "=; path=");
adamc@1050 3079 uw_write_header(ctx, prefix);
adamc@1052 3080 uw_write_header(ctx, "; " THE_PAST "\r\n");
adamc@1050 3081
adamc@1050 3082 return uw_unit_v;
adamc@1050 3083 }
adamc@1050 3084
adamc@1113 3085 size_t uw_deltas_max = SIZE_MAX;
adamc@1113 3086
adamc@682 3087 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 3088 unsigned i;
adamc@682 3089 delta *d;
adamc@671 3090
adamc@682 3091 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 3092 if (ctx->deltas[i].client == client)
adamc@682 3093 return &ctx->deltas[i];
adamc@671 3094
adamc@682 3095 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113 3096 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113 3097 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113 3098
adamc@682 3099 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adam@1369 3100 uw_buffer_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 3101 }
adamc@671 3102
adamc@682 3103 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 3104 d->client = client;
adam@1369 3105 uw_buffer_reset(&d->msgs);
adamc@682 3106 return d;
adamc@671 3107 }
adamc@671 3108
adamc@668 3109 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 3110 if (ctx->client == NULL)
adamc@682 3111 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 3112
adamc@682 3113 return new_channel(ctx->client);
adamc@668 3114 }
adamc@668 3115
adamc@668 3116 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 3117 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 3118 size_t len;
adamc@682 3119 int preLen;
adamc@682 3120 char pre[INTS_MAX + 2];
adamc@668 3121
adamc@682 3122 len = strlen(msg);
adamc@682 3123
adamc@682 3124 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 3125
adam@1369 3126 ctx_uw_buffer_append(ctx, "messages", &d->msgs, pre, preLen);
adam@1369 3127 ctx_uw_buffer_append(ctx, "messages", &d->msgs, msg, len);
adam@1369 3128 ctx_uw_buffer_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671 3129
adamc@671 3130 return uw_unit_v;
adamc@668 3131 }
adamc@671 3132
adam@1327 3133 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131 3134 int i;
adamc@1131 3135 cleanup *cl;
adamc@1131 3136
adamc@1131 3137 if (ctx->client)
adamc@1131 3138 release_client(ctx->client);
adamc@1131 3139
adamc@1131 3140 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131 3141 cl->func(cl->arg);
adamc@1131 3142
adamc@1131 3143 ctx->cleanup_front = ctx->cleanup;
adamc@1131 3144
adamc@1131 3145 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3146 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3147 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131 3148
adamc@1131 3149 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3150 if (ctx->transactionals[i].free)
adam@1327 3151 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131 3152
adamc@1144 3153 return ctx->app ? ctx->app->db_rollback(ctx) : 0;
adamc@1131 3154 }
adamc@1131 3155
adam@1728 3156 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@1728 3157
adamc@671 3158 void uw_commit(uw_context ctx) {
adamc@1104 3159 int i;
adamc@1104 3160
adamc@1131 3161 if (uw_has_error(ctx)) {
adam@1327 3162 uw_rollback(ctx, 0);
adamc@1131 3163 return;
adamc@1131 3164 }
adamc@1131 3165
adamc@1104 3166 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3167 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3168 if (ctx->transactionals[i].commit) {
adamc@1083 3169 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3170 if (uw_has_error(ctx)) {
adam@1327 3171 uw_rollback(ctx, 0);
adamc@1131 3172 return;
adamc@1131 3173 }
adamc@1131 3174 }
adamc@771 3175
adamc@1104 3176 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3177 if (ctx->transactionals[i].rollback == NULL)
adamc@1131 3178 if (ctx->transactionals[i].commit) {
adamc@1083 3179 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3180 if (uw_has_error(ctx)) {
adam@1327 3181 uw_rollback(ctx, 0);
adamc@1131 3182 return;
adamc@1131 3183 }
adamc@1131 3184 }
adamc@1131 3185
adamc@1131 3186 if (ctx->app->db_commit(ctx)) {
adamc@1131 3187 uw_set_error_message(ctx, "Error running SQL COMMIT");
adamc@1131 3188 return;
adamc@1131 3189 }
adamc@682 3190
adamc@682 3191 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 3192 delta *d = &ctx->deltas[i];
adamc@682 3193 client *c = find_client(d->client);
adamc@682 3194
adam@1551 3195 assert (c != NULL);
adam@1551 3196 assert(c->mode == USED);
adamc@682 3197
adam@1447 3198 client_send(c, &d->msgs, ctx->script.start, uw_buffer_used(&ctx->script));
adamc@682 3199 }
adamc@682 3200
adamc@682 3201 if (ctx->client)
adamc@685 3202 release_client(ctx->client);
adamc@771 3203
adamc@1104 3204 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083 3205 if (ctx->transactionals[i].free)
adam@1327 3206 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916 3207
vshabanoff@1726 3208 uw_check(ctx, 1);
vshabanoff@1726 3209 *ctx->page.front = 0;
adam@1413 3210
adam@1728 3211 if (!ctx->returning_indirectly && !strncmp(ctx->page.start, begin_xhtml, sizeof begin_xhtml - 1)) {
adam@1728 3212 char *s;
adam@1728 3213
adam@1728 3214 // Splice script data into appropriate part of page, also adding <head> if needed.
adam@1728 3215 s = ctx->page.start + sizeof begin_xhtml - 1;
adam@1728 3216 s = strchr(s, '<');
adam@1728 3217 if (s == NULL) {
adam@1728 3218 // Weird. Document has no tags!
adam@1728 3219
adam@1728 3220 uw_write(ctx, "<head></head><body></body>");
adam@1728 3221 uw_check(ctx, 1);
adam@1728 3222 *ctx->page.front = 0;
adam@1728 3223 } else if (!strncmp(s, "<head>", 6)) {
adam@1728 3224 // <head> is present. Let's add the <script> tags immediately after it.
adam@1728 3225
adam@1729 3226 // Any freeform JavaScript to include?
adam@1729 3227 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729 3228 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729 3229 size_t lenP = lenH + 40 + len;
adam@1729 3230 char *start = s + 6, *oldPage = ctx->page.start;
adam@1729 3231
adam@1729 3232 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3233 start += ctx->page.start - oldPage;
adam@1729 3234 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3235 ctx->page.front += lenP;
adam@1729 3236 memcpy(start, ctx->script_header, lenH);
adam@1729 3237 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adam@1729 3238 memcpy(start + lenH + 31, ctx->script.start, len);
adam@1729 3239 memcpy(start + lenH + 31 + len, "</script>", 9);
adam@1729 3240 } else {
adam@1729 3241 size_t lenH = strlen(ctx->script_header);
adam@1729 3242 char *start = s + 6, *oldPage = ctx->page.start;
adam@1729 3243
adam@1729 3244 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenH);
adam@1729 3245 start += ctx->page.start - oldPage;
adam@1729 3246 memmove(start + lenH, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3247 ctx->page.front += lenH;
adam@1729 3248 memcpy(start, ctx->script_header, lenH);
adam@1729 3249 }
adam@1728 3250 } else {
adam@1728 3251 // No <head>. At this point, add it, with <script> tags inside.
adam@1728 3252
adam@1729 3253 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729 3254 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729 3255 size_t lenP = lenH + 53 + len;
adam@1729 3256 char *start = s, *oldPage = ctx->page.start;
adam@1729 3257
adam@1729 3258 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3259 start += ctx->page.start - oldPage;
adam@1729 3260 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3261 ctx->page.front += lenP;
adam@1729 3262 memcpy(start, "<head>", 6);
adam@1729 3263 memcpy(start + 6, ctx->script_header, lenH);
adam@1729 3264 memcpy(start + 6 + lenH, "<script type=\"text/javascript\">", 31);
adam@1729 3265 memcpy(start + 6 + lenH + 31, ctx->script.start, len);
adam@1729 3266 memcpy(start + 6 + lenH + 31 + len, "</script></head>", 16);
adam@1729 3267 } else {
adam@1729 3268 size_t lenH = strlen(ctx->script_header);
adam@1729 3269 size_t lenP = lenH + 13;
adam@1729 3270 char *start = s, *oldPage = ctx->page.start;
adam@1729 3271
adam@1729 3272 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3273 start += ctx->page.start - oldPage;
adam@1729 3274 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3275 ctx->page.front += lenP;
adam@1729 3276 memcpy(start, "<head>", 6);
adam@1729 3277 memcpy(start + 6, ctx->script_header, lenH);
adam@1729 3278 memcpy(start + 6 + lenH, "</head>", 7);
adam@1729 3279 }
adamc@916 3280 }
adamc@916 3281 }
adamc@671 3282 }
adamc@671 3283
adamc@683 3284
adamc@1113 3285 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113 3286
adamc@771 3287 void uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327 3288 uw_callback_with_retry free) {
adamc@771 3289 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113 3290 if (ctx->used_transactionals+1 > uw_transactionals_max)
adamc@1113 3291 uw_error(ctx, FATAL, "Exceeded limit on number of transactionals");
adamc@1084 3292 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771 3293 ++ctx->n_transactionals;
adamc@771 3294 }
adamc@771 3295
adamc@771 3296 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 3297 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 3298 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 3299 ctx->transactionals[ctx->used_transactionals++].free = free;
adamc@771 3300 }
adamc@771 3301
adamc@683 3302
adamc@683 3303 // "Garbage collection"
adamc@683 3304
adamc@1121 3305 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121 3306 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121 3307
adamc@1121 3308 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683 3309 int r = setjmp(ctx->jmp_buf);
adamc@683 3310
adamc@1121 3311 if (r == 0)
adamc@1121 3312 uw_do_expunge(ctx, cli, data);
adamc@1121 3313 else
adamc@1121 3314 ctx->app->db_rollback(ctx);
adamc@1121 3315
adamc@1121 3316 uw_post_expunge(ctx, data);
adamc@683 3317
adamc@683 3318 return r;
adamc@683 3319 }
adamc@683 3320
adamc@683 3321 void uw_prune_clients(uw_context ctx) {
adamc@683 3322 client *c, *next, *prev = NULL;
adamc@683 3323 time_t cutoff;
adamc@683 3324
adamc@1094 3325 cutoff = time(NULL) - ctx->app->timeout;
adamc@683 3326
adamc@683 3327 pthread_mutex_lock(&clients_mutex);
adam@1707 3328 pruning_thread = pthread_self();
adam@1707 3329 pruning_thread_initialized = 1;
adamc@683 3330
adamc@683 3331 for (c = clients_used; c; c = next) {
adamc@683 3332 next = c->next;
adamc@683 3333 pthread_mutex_lock(&c->lock);
adamc@685 3334 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 3335 failure_kind fk = UNLIMITED_RETRY;
adamc@683 3336 if (prev)
adamc@683 3337 prev->next = next;
adamc@683 3338 else
adamc@683 3339 clients_used = next;
adamc@684 3340 uw_reset(ctx);
adamc@683 3341 while (fk == UNLIMITED_RETRY) {
adamc@1121 3342 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121 3343 if (fk == UNLIMITED_RETRY)
adamc@684 3344 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 3345 }
adamc@684 3346 if (fk == SUCCESS)
adamc@684 3347 free_client(c);
adamc@1121 3348 else
adamc@856 3349 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683 3350 }
adamc@683 3351 else
adamc@683 3352 prev = c;
adamc@683 3353 pthread_mutex_unlock(&c->lock);
adamc@683 3354 }
adamc@683 3355
adamc@683 3356 pthread_mutex_unlock(&clients_mutex);
adamc@683 3357 }
adamc@687 3358
adamc@687 3359 failure_kind uw_initialize(uw_context ctx) {
adamc@687 3360 int r = setjmp(ctx->jmp_buf);
adamc@687 3361
adamc@687 3362 if (r == 0) {
adamc@1094 3363 if (ctx->app->db_begin(ctx))
adamc@687 3364 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@1094 3365 ctx->app->initializer(ctx);
adamc@1094 3366 if (ctx->app->db_commit(ctx))
adamc@687 3367 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 3368 }
adamc@687 3369
adamc@687 3370 return r;
adamc@687 3371 }
adamc@717 3372
adamc@1065 3373 static int url_bad(uw_Basis_string s) {
adamc@1065 3374 for (; *s; ++s)
adamc@1153 3375 if (!isgraph((int)*s))
adamc@1065 3376 return 1;
adamc@1065 3377
adamc@1065 3378 return 0;
adamc@1065 3379 }
adamc@1065 3380
adamc@717 3381 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065 3382 if (url_bad(s))
adamc@1065 3383 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094 3384 if (ctx->app->check_url(s))
adamc@770 3385 return s;
adamc@770 3386 else
adamc@770 3387 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 3388 }
adamc@734 3389
adamc@770 3390 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065 3391 if (url_bad(s))
adamc@1065 3392 return NULL;
adamc@1094 3393 if (ctx->app->check_url(s))
adamc@770 3394 return s;
adamc@770 3395 else
adamc@770 3396 return NULL;
adamc@770 3397 }
adamc@770 3398
adam@1465 3399 static int mime_format(const char *s) {
adamc@770 3400 for (; *s; ++s)
adamc@1153 3401 if (!isalnum((int)*s) && *s != '/' && *s != '-' && *s != '.')
adamc@770 3402 return 0;
adamc@770 3403
adamc@770 3404 return 1;
adamc@770 3405 }
adamc@770 3406
adamc@741 3407 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3408 if (!mime_format(s))
adamc@770 3409 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 3410
adamc@1094 3411 if (ctx->app->check_mime(s))
adamc@770 3412 return s;
adamc@770 3413 else
adamc@770 3414 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 3415 }
adamc@770 3416
adamc@770 3417 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3418 if (!mime_format(s))
adamc@770 3419 return NULL;
adamc@770 3420
adamc@1094 3421 if (ctx->app->check_mime(s))
adamc@770 3422 return s;
adamc@770 3423 else
adamc@770 3424 return NULL;
adamc@741 3425 }
adamc@741 3426
adam@1465 3427 uw_Basis_string uw_Basis_blessRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3428 if (!mime_format(s))
adam@1465 3429 uw_error(ctx, FATAL, "Request header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3430
adam@1465 3431 if (ctx->app->check_requestHeader(s))
adam@1465 3432 return s;
adam@1465 3433 else
adam@1465 3434 uw_error(ctx, FATAL, "Disallowed request header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3435 }
adam@1465 3436
adam@1465 3437 uw_Basis_string uw_Basis_checkRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3438 if (!mime_format(s))
adam@1465 3439 return NULL;
adam@1465 3440
adam@1465 3441 if (ctx->app->check_requestHeader(s))
adam@1465 3442 return s;
adam@1465 3443 else
adam@1465 3444 return NULL;
adam@1465 3445 }
adam@1465 3446
adam@1465 3447 uw_Basis_string uw_Basis_blessResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3448 if (!mime_format(s))
adam@1465 3449 uw_error(ctx, FATAL, "Response header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3450
adam@1465 3451 if (ctx->app->check_responseHeader(s))
adam@1465 3452 return s;
adam@1465 3453 else
adam@1465 3454 uw_error(ctx, FATAL, "Disallowed response header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3455 }
adam@1465 3456
adam@1465 3457 uw_Basis_string uw_Basis_checkResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3458 if (!mime_format(s))
adam@1465 3459 return NULL;
adam@1465 3460
adam@1465 3461 if (ctx->app->check_responseHeader(s))
adam@1465 3462 return s;
adam@1465 3463 else
adam@1465 3464 return NULL;
adam@1465 3465 }
adam@1465 3466
adam@1465 3467 uw_Basis_string uw_Basis_getHeader(uw_context ctx, uw_Basis_string name) {
adam@1465 3468 return uw_Basis_requestHeader(ctx, name);
adam@1465 3469 }
adam@1465 3470
adam@1465 3471 static int mime_value_format(const char *s) {
adam@1465 3472 for (; *s; ++s)
adam@1465 3473 if (*s == '\r' || *s == '\n')
adam@1465 3474 return 0;
adam@1465 3475
adam@1465 3476 return 1;
adam@1465 3477 }
adam@1465 3478
adam@1465 3479 uw_unit uw_Basis_setHeader(uw_context ctx, uw_Basis_string name, uw_Basis_string value) {
adam@1465 3480 if (!mime_value_format(value))
adam@1465 3481 uw_error(ctx, FATAL, "Invalid value for HTTP response header");
adam@1465 3482
adam@1465 3483 uw_write_header(ctx, name);
adam@1465 3484 uw_write_header(ctx, ": ");
adam@1465 3485 uw_write_header(ctx, value);
adam@1465 3486 uw_write_header(ctx, "\r\n");
adam@1465 3487
adam@1465 3488 return uw_unit_v;
adam@1465 3489 }
adam@1465 3490
adamc@734 3491 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 3492 return s ? s : "";
adamc@734 3493 }
adamc@734 3494
adamc@734 3495 extern int uw_hash_blocksize;
adamc@734 3496
adamc@734 3497 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 3498 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 3499 int i;
adamc@734 3500
adamc@734 3501 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 3502 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 3503
adamc@734 3504 return r;
adamc@734 3505 }
adamc@734 3506
adam@1512 3507 /* This bit of crafty code is intended to prevent GCC from performing
adam@1512 3508 * optimizations that would enable timing attacks. See:
adam@1512 3509 * http://www.impredicative.com/pipermail/ur/2011-July/000659.html
adam@1512 3510 */
adam@1512 3511 int uw_streq(uw_Basis_string s1, uw_Basis_string s2) {
adam@1512 3512 int i, x = 0, len1 = strlen(s1);
adam@1512 3513
adam@1512 3514 if (len1 != strlen(s2)) return 0;
adam@1512 3515
adam@1512 3516 for (i = 0; i < len1; ++i) {
adam@1512 3517 __asm__ __volatile__ ("");
adam@1512 3518 x |= s1[i] ^ s2[i];
adam@1512 3519 }
adam@1512 3520
adam@1512 3521 return x == 0;
adam@1512 3522 }
adam@1512 3523
adamc@734 3524 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adamc@1094 3525 return ctx->app->cookie_sig(ctx);
adamc@734 3526 }
adamc@737 3527
adamc@737 3528 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 3529 return f.name;
adamc@737 3530 }
adamc@737 3531
adamc@740 3532 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 3533 return f.type;
adamc@740 3534 }
adamc@740 3535
adamc@745 3536 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 3537 return b.size;
adamc@745 3538 }
adamc@745 3539
adamc@1119 3540 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119 3541 uw_Basis_blob b = {strlen(s), s};
adamc@1119 3542
adamc@1119 3543 return b;
adamc@1119 3544 }
adamc@1119 3545
adamc@737 3546 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 3547 return f.data;
adamc@737 3548 }
adamc@741 3549
adam@1347 3550 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3551 return pb.type;
adam@1347 3552 }
adam@1347 3553
adam@1347 3554 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3555 return pb.data;
adam@1347 3556 }
adam@1347 3557
adam@1471 3558 static char *old_headers(uw_context ctx) {
adam@1471 3559 if (uw_buffer_used(&ctx->outHeaders) == 0)
adam@1471 3560 return NULL;
adam@1471 3561 else {
adam@1471 3562 char *s = strchr(ctx->outHeaders.start, '\n');
adam@1471 3563
adam@1471 3564 if (s == NULL || strncasecmp(s+1, "Content-type: ", 14))
adam@1471 3565 return NULL;
adam@1471 3566 else {
adam@1471 3567 s = strchr(s+15, '\n');
adam@1471 3568 if (s == NULL)
adam@1471 3569 return NULL;
adam@1471 3570 else
adam@1471 3571 return uw_strdup(ctx, s+1);
adam@1471 3572 }
adam@1471 3573 }
adam@1471 3574 }
adam@1471 3575
adamc@741 3576 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 3577 cleanup *cl;
adamc@741 3578 int len;
adam@1471 3579 char *oldh;
adamc@741 3580
adam@1451 3581 if (!ctx->allowed_to_return_indirectly)
adam@1451 3582 uw_error(ctx, FATAL, "Tried to return a blob from an RPC");
adam@1451 3583
adamc@1065 3584 ctx->returning_indirectly = 1;
adam@1471 3585 oldh = old_headers(ctx);
adam@1369 3586 uw_buffer_reset(&ctx->outHeaders);
adam@1369 3587 uw_buffer_reset(&ctx->page);
adamc@741 3588
adamc@856 3589 uw_write_header(ctx, on_success);
adamc@856 3590 uw_write_header(ctx, "Content-Type: ");
adamc@741 3591 uw_write_header(ctx, mimeType);
adamc@741 3592 uw_write_header(ctx, "\r\nContent-Length: ");
adam@1369 3593 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134 3594 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741 3595 ctx->outHeaders.front += len;
adamc@1066 3596 uw_write_header(ctx, "\r\n");
adam@1471 3597 if (oldh) uw_write_header(ctx, oldh);
adamc@741 3598
adam@1369 3599 ctx_uw_buffer_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741 3600
adamc@741 3601 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 3602 cl->func(cl->arg);
adamc@741 3603
adamc@741 3604 ctx->cleanup_front = ctx->cleanup;
adamc@741 3605
adamc@1065 3606 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065 3607 }
adamc@1065 3608
adamc@1065 3609 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065 3610 cleanup *cl;
adamc@1066 3611 char *s;
adam@1471 3612 char *oldh;
adamc@1065 3613
adam@1451 3614 if (!ctx->allowed_to_return_indirectly)
adam@1451 3615 uw_error(ctx, FATAL, "Tried to redirect from an RPC");
adam@1451 3616
adamc@1065 3617 ctx->returning_indirectly = 1;
adam@1471 3618 oldh = old_headers(ctx);
adam@1369 3619 uw_buffer_reset(&ctx->page);
adam@1369 3620 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->outHeaders)+1);
adam@1369 3621 memcpy(ctx->page.start, ctx->outHeaders.start, uw_buffer_used(&ctx->outHeaders));
adam@1369 3622 ctx->page.start[uw_buffer_used(&ctx->outHeaders)] = 0;
adam@1369 3623 uw_buffer_reset(&ctx->outHeaders);
adamc@1065 3624
adam@1409 3625 if (on_success[0])
adam@1409 3626 uw_write_header(ctx, on_redirect);
adam@1409 3627 else
adam@1409 3628 uw_write_header(ctx, "Status: 303 See Other\r\n");
adam@1409 3629 s = on_success[0] ? strchr(ctx->page.start, '\n') : ctx->page.start;
adamc@1066 3630 if (s) {
adamc@1066 3631 char *s2;
adam@1409 3632 if (s[0] == '\n') ++s;
adam@1409 3633 for (; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066 3634 *s2 = 0;
adamc@1066 3635 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066 3636 uw_write_header(ctx, s);
adamc@1066 3637 uw_write_header(ctx, "\n");
adamc@1066 3638 }
adamc@1066 3639 }
adamc@1066 3640 }
adamc@1066 3641
adamc@1065 3642 uw_write_header(ctx, "Location: ");
adamc@1065 3643 uw_write_header(ctx, url);
adamc@1065 3644 uw_write_header(ctx, "\r\n\r\n");
adam@1471 3645 if (oldh) uw_write_header(ctx, oldh);
adamc@1065 3646
adamc@1065 3647 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065 3648 cl->func(cl->arg);
adamc@1065 3649
adamc@1065 3650 ctx->cleanup_front = ctx->cleanup;
adamc@1065 3651
adamc@1065 3652 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741 3653 }
adamc@874 3654
adamc@874 3655 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adam@1467 3656 uw_Basis_string ret = uw_malloc(ctx, strlen(s) + 1), r = ret;
adamc@874 3657
adamc@874 3658 for (; *s; ++s) {
adamc@874 3659 if (s[0] == '\'') {
adamc@874 3660 *r++ = '\'';
adamc@874 3661 for (++s; *s; ++s) {
adamc@874 3662 if (s[0] == '\'') {
adamc@874 3663 *r++ = '\'';
adamc@874 3664 break;
adamc@874 3665 } else if (s[0] == '\\') {
adam@1467 3666 *r++ = '\\';
adam@1467 3667 *r++ = s[1];
adam@1467 3668 ++s;
adamc@874 3669 } else
adamc@874 3670 *r++ = s[0];
adamc@874 3671 }
adamc@874 3672 if (*s == 0) break;
adam@1467 3673 } else if (s[0] == 'T' && s[1] == '_' && s[2] == 'T' && s[3] == '.')
adam@1467 3674 s += 3;
adamc@874 3675 else
adamc@874 3676 *r++ = s[0];
adamc@874 3677 }
adamc@874 3678
adam@1467 3679 *r = 0;
adam@1467 3680 return ret;
adamc@874 3681 }
adamc@874 3682
adamc@922 3683 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922 3684 va_list ap;
adamc@922 3685 size_t len = 1;
adamc@922 3686 char *s, *r, *s2;
adamc@922 3687
adamc@922 3688 va_start(ap, ctx);
adamc@922 3689 for (s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3690 len += strlen(s);
adamc@922 3691 va_end(ap);
adamc@922 3692
adamc@922 3693 r = uw_malloc(ctx, len);
adamc@922 3694 va_start(ap, ctx);
adamc@922 3695 for (s2 = r, s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3696 while (*s)
adamc@922 3697 *s2++ = *s++;
adamc@922 3698 va_end(ap);
adamc@922 3699 *s2 = 0;
adamc@922 3700
adamc@922 3701 return r;
adamc@922 3702 }
adamc@1006 3703
adam@1365 3704 const uw_Basis_time uw_Basis_minTime = {};
adamc@1050 3705
adamc@1006 3706 uw_Basis_time uw_Basis_now(uw_context ctx) {
adam@1365 3707 uw_Basis_time r = { time(NULL) };
adam@1365 3708 return r;
adamc@1006 3709 }
adamc@1061 3710
adam@1369 3711 uw_Basis_time uw_Basis_addSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adam@1369 3712 tm.seconds += n;
adam@1365 3713 return tm;
adamc@1138 3714 }
adamc@1138 3715
adam@1514 3716 uw_Basis_int uw_Basis_diffInSeconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1514 3717 return difftime(tm2.seconds, tm1.seconds);
adam@1514 3718 }
adam@1514 3719
adam@1685 3720 uw_Basis_int uw_Basis_toMilliseconds(uw_context ctx, uw_Basis_time tm) {
adam@1685 3721 return tm.seconds * 1000 + tm.microseconds / 1000;
adam@1685 3722 }
adam@1685 3723
adam@1685 3724 uw_Basis_int uw_Basis_diffInMilliseconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1685 3725 return uw_Basis_toMilliseconds(ctx, tm2) - uw_Basis_toMilliseconds(ctx, tm1);
adam@1685 3726 }
adam@1685 3727
adam@1514 3728 uw_Basis_int uw_Basis_toSeconds(uw_context ctx, uw_Basis_time tm) {
adam@1514 3729 return tm.seconds;
adam@1514 3730 }
adam@1514 3731
adamc@1061 3732 void *uw_get_global(uw_context ctx, char *name) {
adamc@1061 3733 int i;
adamc@1061 3734
adamc@1061 3735 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3736 if (!strcmp(name, ctx->globals[i].name))
adamc@1061 3737 return ctx->globals[i].data;
adamc@1061 3738
adamc@1061 3739 return NULL;
adamc@1061 3740 }
adamc@1061 3741
adamc@1113 3742 size_t uw_globals_max = SIZE_MAX;
adamc@1113 3743
adamc@1061 3744 void uw_set_global(uw_context ctx, char *name, void *data, void (*free)(void*)) {
adamc@1061 3745 int i;
adamc@1061 3746
adamc@1061 3747 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3748 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089 3749 if (ctx->globals[i].free)
adamc@1061 3750 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061 3751 ctx->globals[i].data = data;
adamc@1061 3752 ctx->globals[i].free = free;
adamc@1061 3753 return;
adamc@1061 3754 }
adamc@1089 3755
adamc@1113 3756 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113 3757 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113 3758
adamc@1061 3759 ++ctx->n_globals;
adamc@1061 3760 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061 3761 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061 3762 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061 3763 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061 3764 }
adamc@1061 3765
adamc@1061 3766 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153 3767 return !!isalnum((int)c);
adamc@1061 3768 }
adamc@1061 3769
adamc@1061 3770 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153 3771 return !!isalpha((int)c);
adamc@1061 3772 }
adamc@1061 3773
adamc@1061 3774 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153 3775 return !!isblank((int)c);
adamc@1061 3776 }
adamc@1061 3777
adamc@1061 3778 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153 3779 return !!iscntrl((int)c);
adamc@1061 3780 }
adamc@1061 3781
adamc@1061 3782 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3783 return !!isdigit((int)c);
adamc@1061 3784 }
adamc@1061 3785
adamc@1061 3786 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153 3787 return !!isgraph((int)c);
adamc@1061 3788 }
adamc@1061 3789
adamc@1061 3790 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3791 return !!islower((int)c);
adamc@1061 3792 }
adamc@1061 3793
adamc@1061 3794 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153 3795 return !!isprint((int)c);
adamc@1061 3796 }
adamc@1061 3797
adamc@1061 3798 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153 3799 return !!ispunct((int)c);
adamc@1061 3800 }
adamc@1061 3801
adamc@1061 3802 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153 3803 return !!isspace((int)c);
adamc@1061 3804 }
adamc@1063 3805
adamc@1061 3806 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3807 return !!isupper((int)c);
adamc@1061 3808 }
adamc@1061 3809
adamc@1061 3810 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3811 return !!isxdigit((int)c);
adamc@1061 3812 }
adamc@1061 3813
adamc@1061 3814 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3815 return tolower((int)c);
adamc@1061 3816 }
adamc@1061 3817
adamc@1061 3818 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3819 return toupper((int)c);
adamc@1061 3820 }
adamc@1066 3821
adamc@1128 3822 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128 3823 return (unsigned char)c;
adamc@1128 3824 }
adamc@1128 3825
adamc@1128 3826 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128 3827 return n;
adamc@1128 3828 }
adamc@1128 3829
adamc@1066 3830 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066 3831 return ctx->current_url;
adamc@1066 3832 }
adamc@1066 3833
adamc@1066 3834 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066 3835 ctx->current_url = s;
adamc@1066 3836 }
adamc@1114 3837
adamc@1114 3838 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114 3839 ctx->deadline = n;
adamc@1114 3840 }
adamc@1114 3841
adamc@1114 3842 void uw_check_deadline(uw_context ctx) {
adamc@1114 3843 if (uw_time > ctx->deadline)
adamc@1114 3844 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114 3845 }
adamc@1115 3846
adamc@1115 3847 size_t uw_database_max = SIZE_MAX;
adamc@1120 3848
adam@1389 3849 uw_Basis_int uw_Basis_naughtyDebug(uw_context ctx, uw_Basis_string s) {
adam@1389 3850 fprintf(stderr, "%s\n", s);
adam@1389 3851 return 0;
adam@1389 3852 }
adam@1389 3853
adamc@1120 3854 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
adam@1334 3855 if (ctx->log_debug)
adam@1334 3856 ctx->log_debug(ctx->logger_data, "%s\n", s);
adam@1334 3857 else
adam@1334 3858 fprintf(stderr, "%s\n", s);
adamc@1120 3859 return uw_unit_v;
adamc@1120 3860 }
adamc@1250 3861
adamc@1250 3862 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adam@1486 3863 uw_Basis_int ret;
adam@1486 3864 int r = RAND_bytes((unsigned char *)&ret, sizeof ret);
adam@1486 3865
adam@1486 3866 if (r)
adam@1486 3867 return abs(ret);
adam@1486 3868 else
adam@1486 3869 uw_error(ctx, FATAL, "Random number generation failed");
adamc@1250 3870 }
adam@1347 3871
adam@1347 3872 void uw_noPostBody(uw_context ctx) {
adam@1347 3873 ctx->hasPostBody = 0;
adam@1347 3874 }
adam@1347 3875
adam@1347 3876 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3877 ctx->hasPostBody = 1;
adam@1347 3878 ctx->postBody = pb;
adam@1347 3879 }
adam@1347 3880
adam@1347 3881 int uw_hasPostBody(uw_context ctx) {
adam@1347 3882 return ctx->hasPostBody;
adam@1347 3883 }
adam@1347 3884
adam@1386 3885 void uw_isPost(uw_context ctx) {
adam@1386 3886 ctx->isPost = 1;
adam@1386 3887 }
adam@1386 3888
adam@1386 3889 uw_Basis_bool uw_Basis_currentUrlHasPost(uw_context ctx) {
adam@1386 3890 return ctx->isPost;
adam@1386 3891 }
adam@1386 3892
adam@1485 3893 uw_Basis_bool uw_Basis_currentUrlHasQueryString(uw_context ctx) {
adam@1485 3894 return ctx->queryString != NULL && ctx->queryString[0] != 0;
adam@1485 3895 }
adam@1485 3896
adam@1370 3897 void uw_setQueryString(uw_context ctx, uw_Basis_string s) {
adam@1370 3898 ctx->queryString = s;
adam@1370 3899 }
adam@1370 3900
adam@1370 3901 uw_Basis_string uw_queryString(uw_context ctx) {
adam@1370 3902 return ctx->queryString;
adam@1370 3903 }
adam@1370 3904
adam@1347 3905 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347 3906 if (ctx->hasPostBody)
adam@1347 3907 return ctx->postBody;
adam@1347 3908 else
adam@1347 3909 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347 3910 }
adam@1349 3911
adam@1349 3912 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349 3913 int r = setjmp(ctx->jmp_buf);
adam@1349 3914
adam@1349 3915 if (r == 0) {
adam@1418 3916 if (ctx->app->db_begin(ctx))
adam@1418 3917 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1418 3918
adam@1349 3919 callback(ctx);
adam@1349 3920 }
adam@1349 3921
adam@1349 3922 return r;
adam@1349 3923 }
adam@1360 3924
adam@1360 3925 uw_Basis_string uw_Basis_crypt(uw_context ctx, uw_Basis_string key, uw_Basis_string salt) {
adam@1397 3926 char buf[14];
adam@1397 3927 return uw_strdup(ctx, DES_fcrypt(key, salt, buf));
adam@1360 3928 }
adam@1365 3929
adam@1365 3930 uw_Basis_bool uw_Basis_eq_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3931 return !!(t1.seconds == t2.seconds && t1.microseconds == t2.microseconds);
adam@1365 3932 }
adam@1365 3933
adam@1365 3934 uw_Basis_bool uw_Basis_lt_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3935 return !!(t1.seconds < t2.seconds || t1.microseconds < t2.microseconds);
adam@1365 3936 }
adam@1365 3937
adam@1365 3938 uw_Basis_bool uw_Basis_le_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3939 return !!(uw_Basis_eq_time(ctx, t1, t2) || uw_Basis_lt_time(ctx, t1, t2));
adam@1365 3940 }
adam@1365 3941
adam@1372 3942 uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374 3943 struct tm stm = {};
adam@1375 3944 char *end = strchr(s, 0);
adam@1449 3945 stm.tm_isdst = -1;
adam@1375 3946
adam@1632 3947 if (strptime(s, TIME_FMT_PG, &stm) == end || strptime(s, TIME_FMT, &stm) == end || strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1373 3948 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1375 3949
kkallio@1448 3950 r->seconds = timegm(&stm);
adam@1373 3951 r->microseconds = 0;
adam@1373 3952
adam@1373 3953 return r;
adam@1374 3954 }
adam@1374 3955 else
adam@1373 3956 return NULL;
adam@1372 3957 }
adam@1407 3958
adam@1407 3959 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1407 3960 int r = setjmp(ctx->jmp_buf);
adam@1407 3961
adam@1407 3962 if (ctx->app->on_error) {
adam@1407 3963 if (r == 0) {
adam@1407 3964 if (ctx->app->db_begin(ctx))
adam@1407 3965 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1407 3966
adam@1409 3967 uw_buffer_reset(&ctx->outHeaders);
adam@1409 3968 if (on_success[0])
adam@1409 3969 uw_write_header(ctx, "HTTP/1.1 ");
adam@1409 3970 else
adam@1409 3971 uw_write_header(ctx, "Status: ");
adam@1409 3972 uw_write_header(ctx, "500 Internal Server Error\r\n");
adam@1407 3973 uw_write_header(ctx, "Content-type: text/html\r\n\r\n");
adam@1407 3974 uw_write(ctx, begin_xhtml);
adam@1407 3975 ctx->app->on_error(ctx, msg);
adam@1407 3976 uw_write(ctx, "</html>");
adam@1407 3977 }
adam@1407 3978
adam@1407 3979 return r;
adam@1407 3980 } else
adam@1407 3981 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1407 3982 }
adam@1451 3983
adam@1451 3984 void uw_mayReturnIndirectly(uw_context ctx) {
adam@1451 3985 ctx->allowed_to_return_indirectly = 1;
adam@1451 3986 }
adam@1483 3987
adam@1483 3988 void uw_cutErrorLocation(char *s) {
adam@1483 3989 char *s2;
adam@1483 3990
adam@1483 3991 s2 = strstr(s, ": ");
adam@1483 3992 if (s2 == NULL || strcspn(s, "<&") < s2 - s)
adam@1483 3993 return;
adam@1483 3994
adam@1483 3995 memmove(s, s2+2, strlen(s2+2)+1);
adam@1483 3996 }
adam@1556 3997
adam@1556 3998 uw_Basis_string uw_Basis_fresh(uw_context ctx) {
adam@1703 3999 int len;
adam@1703 4000 char *r;
adam@1703 4001
adam@1703 4002 uw_check_heap(ctx, 2+INTS_MAX);
adam@1703 4003 r = ctx->heap.front;
adam@1703 4004 sprintf(r, "uw%u%n", ctx->nextId++, &len);
adam@1703 4005 ctx->heap.front += len+1;
adam@1703 4006 return r;
adam@1556 4007 }
adam@1571 4008
adam@1571 4009 uw_Basis_float uw_Basis_floatFromInt(uw_context ctx, uw_Basis_int n) {
adam@1571 4010 return n;
adam@1571 4011 }
adam@1571 4012
adam@1571 4013 uw_Basis_int uw_Basis_ceil(uw_context ctx, uw_Basis_float n) {
adam@1571 4014 return ceil(n);
adam@1571 4015 }
adam@1571 4016
adam@1571 4017 uw_Basis_int uw_Basis_trunc(uw_context ctx, uw_Basis_float n) {
adam@1571 4018 return trunc(n);
adam@1571 4019 }
adam@1571 4020
adam@1571 4021 uw_Basis_int uw_Basis_round(uw_context ctx, uw_Basis_float n) {
adam@1571 4022 return round(n);
adam@1571 4023 }