annotate src/c/urweb.c @ 2097:9272476e2a1c

Client-side conversion of string to bool
author Adam Chlipala <adam@chlipala.net>
date Thu, 25 Dec 2014 18:32:27 -0500
parents fd6d362666c0
children 7755f00a4fc3 5709482a2afd
rev   line source
adamc@1268 1 #include "config.h"
adamc@1268 2
adamc@117 3 #include <stdlib.h>
adamc@102 4 #include <stdio.h>
adamc@117 5 #include <string.h>
adamc@457 6 #include <strings.h>
adamc@106 7 #include <ctype.h>
adamc@167 8 #include <setjmp.h>
adamc@167 9 #include <stdarg.h>
adamc@682 10 #include <assert.h>
adamc@741 11 #include <ctype.h>
adamc@1114 12 #include <limits.h>
adamc@1113 13 #include <stdint.h>
adamc@1094 14 #include <sys/types.h>
adamc@1094 15 #include <sys/socket.h>
adam@1397 16 #include <openssl/des.h>
adam@1486 17 #include <openssl/rand.h>
adam@1374 18 #include <time.h>
adam@1571 19 #include <math.h>
adamc@102 20
adamc@667 21 #include <pthread.h>
adamc@667 22
adamc@102 23 #include "types.h"
adamc@102 24
adam@1431 25 uw_unit uw_unit_v = 0;
adamc@102 26
adamc@667 27
adamc@667 28 // Socket extras
adamc@667 29
adamc@863 30 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667 31 while (len > 0) {
adamc@856 32 ssize_t n = send(sock, buf, len, 0);
adamc@856 33
adamc@856 34 if (n < 0)
adamc@856 35 return n;
adamc@856 36
adamc@856 37 buf += n;
adamc@856 38 len -= n;
adamc@856 39 }
adamc@856 40
adamc@856 41 return 0;
adamc@856 42 }
adamc@856 43
adamc@856 44 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856 45 while (len > 0) {
adamc@856 46 ssize_t n = write(fd, buf, len);
adamc@667 47
adamc@667 48 if (n < 0)
adamc@667 49 return n;
adamc@667 50
adamc@667 51 buf += n;
adamc@667 52 len -= n;
adamc@667 53 }
adamc@667 54
adamc@667 55 return 0;
adamc@667 56 }
adamc@667 57
adamc@667 58
adamc@667 59 // Buffers
adamc@667 60
adam@1369 61 void uw_buffer_init(size_t max, uw_buffer *b, size_t s) {
adamc@1113 62 b->max = max;
adamc@667 63 b->front = b->start = malloc(s);
adamc@667 64 b->back = b->front + s;
adamc@667 65 }
adamc@667 66
adam@1369 67 void uw_buffer_free(uw_buffer *b) {
adamc@667 68 free(b->start);
adamc@667 69 }
adamc@667 70
adam@1369 71 void uw_buffer_reset(uw_buffer *b) {
adamc@667 72 b->front = b->start;
adamc@667 73 }
adamc@667 74
adam@1369 75 int uw_buffer_check(uw_buffer *b, size_t extra) {
adamc@667 76 if (b->back - b->front < extra) {
adamc@667 77 size_t desired = b->front - b->start + extra, next;
adamc@667 78 char *new_heap;
adamc@667 79
adamc@667 80 next = b->back - b->start;
adamc@667 81 if (next == 0)
adamc@667 82 next = 1;
adamc@667 83 for (; next < desired; next *= 2);
adamc@667 84
adamc@1134 85 if (next > b->max) {
adamc@1113 86 if (desired <= b->max)
adamc@1113 87 next = desired;
adamc@1113 88 else
adamc@1113 89 return 1;
adamc@1134 90 }
adamc@1113 91
adamc@667 92 new_heap = realloc(b->start, next);
adamc@667 93 b->front = new_heap + (b->front - b->start);
adamc@667 94 b->back = new_heap + next;
adamc@667 95 b->start = new_heap;
adamc@667 96 }
adamc@1113 97
adamc@1113 98 return 0;
adamc@1113 99 }
adamc@1113 100
adamc@1113 101 __attribute__((noreturn)) void uw_error(uw_context, failure_kind, const char *, ...);
adamc@1113 102
adam@1369 103 static void ctx_uw_buffer_check(uw_context ctx, const char *kind, uw_buffer *b, size_t extra) {
adam@1369 104 if (uw_buffer_check(b, extra))
adamc@1113 105 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@667 106 }
adamc@667 107
adam@1369 108 size_t uw_buffer_used(uw_buffer *b) {
adamc@667 109 return b->front - b->start;
adamc@667 110 }
adamc@667 111
adam@1369 112 size_t uw_buffer_avail(uw_buffer *b) {
adamc@667 113 return b->back - b->start;
adamc@667 114 }
adamc@667 115
adam@1369 116 int uw_buffer_append(uw_buffer *b, const char *s, size_t len) {
adam@1369 117 if (uw_buffer_check(b, len+1))
adamc@1113 118 return 1;
adamc@1113 119
adamc@1113 120 memcpy(b->front, s, len);
adamc@1113 121 b->front += len;
adamc@1113 122 *b->front = 0;
adamc@1113 123
adamc@1113 124 return 0;
adamc@1113 125 }
adamc@1113 126
adam@1369 127 static void ctx_uw_buffer_append(uw_context ctx, const char *kind, uw_buffer *b, const char *s, size_t len) {
adam@1369 128 ctx_uw_buffer_check(ctx, kind, b, len+1);
adamc@1113 129
adamc@668 130 memcpy(b->front, s, len);
adamc@668 131 b->front += len;
adamc@672 132 *b->front = 0;
adamc@668 133 }
adamc@667 134
adamc@668 135
adamc@672 136 // Persistent state types
adamc@667 137
adamc@667 138 typedef enum { UNUSED, USED } usage;
adamc@667 139
adamc@667 140 typedef struct client {
adamc@682 141 unsigned id;
adamc@667 142 usage mode;
adamc@682 143 int pass;
adamc@682 144 struct client *next;
adamc@689 145 pthread_mutex_t lock, pull_lock;
adam@1369 146 uw_buffer msgs;
adamc@682 147 int sock;
adamc@863 148 int (*send)(int sockfd, const void *buf, ssize_t len);
adamc@863 149 int (*close)(int fd);
adamc@682 150 time_t last_contact;
adamc@682 151 unsigned n_channels;
adamc@685 152 unsigned refcount;
adamc@1121 153 void *data;
adamc@667 154 } client;
adamc@667 155
adamc@672 156
adamc@672 157 // Persistent client state
adamc@672 158
adamc@682 159 static client **clients, *clients_free, *clients_used;
adamc@682 160 static unsigned n_clients;
adamc@667 161
adam@1707 162 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@1113 163 size_t uw_messages_max = SIZE_MAX;
adamc@1113 164 size_t uw_clients_max = SIZE_MAX;
adamc@1113 165
adamc@1121 166 void *uw_init_client_data();
adamc@1121 167 void uw_free_client_data(void *);
adamc@1121 168 void uw_copy_client_data(void *dst, void *src);
adamc@1121 169
adamc@682 170 static client *new_client() {
adamc@667 171 client *c;
adamc@667 172
adamc@667 173 pthread_mutex_lock(&clients_mutex);
adamc@667 174
adamc@667 175 if (clients_free) {
adamc@667 176 c = clients_free;
adamc@682 177 clients_free = clients_free->next;
adamc@667 178 }
adam@1672 179 else if (n_clients >= uw_clients_max) {
adam@1672 180 pthread_mutex_unlock(&clients_mutex);
adamc@1113 181 return NULL;
adam@1672 182 } else {
adamc@667 183 ++n_clients;
adamc@667 184 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667 185 c = malloc(sizeof(client));
adamc@667 186 c->id = n_clients-1;
adamc@682 187 pthread_mutex_init(&c->lock, NULL);
adamc@689 188 pthread_mutex_init(&c->pull_lock, NULL);
adam@1369 189 uw_buffer_init(uw_messages_max, &c->msgs, 0);
adamc@667 190 clients[n_clients-1] = c;
adamc@667 191 }
adamc@667 192
adamc@682 193 pthread_mutex_lock(&c->lock);
adamc@667 194 c->mode = USED;
adamc@682 195 c->pass = rand();
adamc@682 196 c->sock = -1;
adamc@682 197 c->last_contact = time(NULL);
adam@1369 198 uw_buffer_reset(&c->msgs);
adamc@682 199 c->n_channels = 0;
adamc@685 200 c->refcount = 0;
adamc@1121 201 c->data = uw_init_client_data();
adamc@682 202 pthread_mutex_unlock(&c->lock);
adamc@682 203
adamc@682 204 c->next = clients_used;
adamc@682 205 clients_used = c;
adamc@667 206
adamc@667 207 pthread_mutex_unlock(&clients_mutex);
adamc@667 208
adamc@667 209 return c;
adamc@667 210 }
adamc@667 211
adamc@685 212 static void use_client(client *c) {
adamc@685 213 pthread_mutex_lock(&c->lock);
adamc@685 214 ++c->refcount;
adamc@685 215 pthread_mutex_unlock(&c->lock);
adamc@689 216 pthread_mutex_lock(&c->pull_lock);
adamc@685 217 }
adamc@685 218
adamc@685 219 static void release_client(client *c) {
adamc@689 220 pthread_mutex_unlock(&c->pull_lock);
adamc@685 221 pthread_mutex_lock(&c->lock);
adamc@685 222 --c->refcount;
adamc@685 223 pthread_mutex_unlock(&c->lock);
adamc@685 224 }
adamc@685 225
adamc@856 226 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adam@1707 227 static pthread_t pruning_thread;
adam@1707 228 static int pruning_thread_initialized = 0;
adamc@667 229
adamc@682 230 static client *find_client(unsigned id) {
adamc@667 231 client *c;
adam@1708 232 int i_am_pruner = pruning_thread_initialized && pthread_equal(pruning_thread, pthread_self());
adam@1708 233
adam@1708 234 if (!i_am_pruner) pthread_mutex_lock(&clients_mutex);
adamc@667 235
adamc@667 236 if (id >= n_clients) {
adam@1708 237 if (!i_am_pruner) pthread_mutex_unlock(&clients_mutex);
adamc@668 238 return NULL;
adamc@667 239 }
adamc@667 240
adamc@667 241 c = clients[id];
adamc@667 242
adam@1708 243 if (!i_am_pruner) pthread_mutex_unlock(&clients_mutex);
adamc@668 244 return c;
adamc@668 245 }
adamc@668 246
adamc@856 247 static char *on_success = "HTTP/1.1 200 OK\r\n";
adam@1409 248 static char *on_redirect = "HTTP/1.1 303 See Other\r\n";
adamc@856 249
adamc@856 250 void uw_set_on_success(char *s) {
adamc@856 251 on_success = s;
adamc@856 252 }
adamc@856 253
adam@1552 254 static void chastise(int (*send)(int sockfd, const void *buf, ssize_t len), int sock) {
adam@1552 255 send(sock, on_success, strlen(on_success));
adam@1552 256 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1552 257 send(sock, "R", 1);
adam@1552 258 close(sock);
adam@1552 259 }
adam@1552 260
adamc@863 261 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863 262 int (*send)(int sockfd, const void *buf, ssize_t len),
adamc@864 263 int (*close)(int fd),
adamc@864 264 void *logger_data, uw_logger log_error) {
adamc@682 265 client *c = find_client(id);
adamc@668 266
adamc@668 267 if (c == NULL) {
adam@1552 268 chastise(send, sock);
adamc@864 269 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667 270 return;
adamc@667 271 }
adamc@667 272
adamc@682 273 pthread_mutex_lock(&c->lock);
adamc@671 274
adamc@682 275 if (c->mode != USED) {
adamc@682 276 pthread_mutex_unlock(&c->lock);
adam@1552 277 chastise(send, sock);
adamc@864 278 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667 279 return;
adamc@667 280 }
adamc@667 281
adamc@682 282 if (pass != c->pass) {
adamc@682 283 pthread_mutex_unlock(&c->lock);
adam@1552 284 chastise(send, sock);
adamc@864 285 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682 286 return;
adamc@667 287 }
adamc@667 288
adamc@682 289 if (c->sock != -1) {
adamc@863 290 c->close(c->sock);
adamc@682 291 c->sock = -1;
adamc@682 292 }
adamc@667 293
adamc@682 294 c->last_contact = time(NULL);
adamc@682 295
adam@1369 296 if (uw_buffer_used(&c->msgs) > 0) {
adamc@863 297 send(sock, on_success, strlen(on_success));
adamc@863 298 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1369 299 send(sock, c->msgs.start, uw_buffer_used(&c->msgs));
adam@1369 300 uw_buffer_reset(&c->msgs);
adamc@667 301 close(sock);
adamc@667 302 }
adamc@863 303 else {
adamc@682 304 c->sock = sock;
adamc@863 305 c->send = send;
adamc@863 306 c->close = close;
adamc@863 307 }
adamc@667 308
adamc@682 309 pthread_mutex_unlock(&c->lock);
adamc@667 310 }
adamc@667 311
adamc@682 312 static void free_client(client *c) {
adamc@682 313 c->mode = UNUSED;
adamc@682 314 c->pass = -1;
adamc@667 315
adamc@682 316 c->next = clients_free;
adamc@682 317 clients_free = c;
adamc@667 318 }
adamc@667 319
adamc@682 320 static uw_Basis_channel new_channel(client *c) {
adamc@682 321 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668 322 return ch;
adamc@668 323 }
adamc@668 324
adam@1447 325 static void client_send(client *c, uw_buffer *msg, const char *script, int script_len) {
adamc@685 326 pthread_mutex_lock(&c->lock);
adamc@671 327
adamc@682 328 if (c->sock != -1) {
adamc@863 329 c->send(c->sock, on_success, strlen(on_success));
adamc@863 330 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1447 331 if (script_len > 0) {
adam@1447 332 c->send(c->sock, "E\n", 2);
adam@1447 333 c->send(c->sock, script, script_len);
adam@1447 334 c->send(c->sock, "\n", 1);
adam@1447 335 }
adam@1369 336 c->send(c->sock, msg->start, uw_buffer_used(msg));
adamc@863 337 c->close(c->sock);
adamc@682 338 c->sock = -1;
adam@1665 339 } else if (uw_buffer_append(&c->msgs, msg->start, uw_buffer_used(msg)))
adamc@1113 340 fprintf(stderr, "Client message buffer size exceeded");
adamc@671 341
adamc@685 342 pthread_mutex_unlock(&c->lock);
adamc@668 343 }
adamc@668 344
adamc@668 345
adamc@668 346 // Global entry points
adamc@668 347
adamc@1164 348 extern void uw_global_custom();
adamc@1104 349 extern void uw_init_crypto();
adamc@1104 350
adamc@668 351 void uw_global_init() {
adamc@668 352 srand(time(NULL) ^ getpid());
adamc@668 353
adamc@668 354 clients = malloc(0);
adamc@1104 355
adamc@1164 356 uw_global_custom();
adamc@1104 357 uw_init_crypto();
adamc@1094 358 }
adamc@1094 359
adamc@1094 360 void uw_app_init(uw_app *app) {
adamc@1094 361 app->client_init();
adamc@668 362 }
adamc@668 363
adam@1332 364 int uw_time = 0, uw_time_max = 0, uw_min_heap = 0;
adamc@1114 365
adamc@668 366
adamc@667 367 // Single-request state
adamc@667 368
adamc@323 369 typedef struct regions {
adamc@323 370 struct regions *next;
adamc@323 371 } regions;
adamc@323 372
adamc@425 373 typedef struct {
adamc@425 374 void (*func)(void*);
adamc@425 375 void *arg;
adamc@425 376 } cleanup;
adamc@425 377
adamc@671 378 typedef struct {
adamc@682 379 unsigned client;
adam@1369 380 uw_buffer msgs;
adamc@682 381 } delta;
adamc@671 382
adamc@737 383 typedef enum {
adamc@759 384 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737 385 } input_kind;
adamc@737 386
adamc@756 387 typedef struct input {
adamc@737 388 input_kind kind;
adamc@737 389 union {
adamc@737 390 char *normal;
adamc@739 391 uw_Basis_file file;
adamc@756 392 struct {
adamc@759 393 struct input *fields, *parent;
adamc@756 394 } subform;
adamc@759 395 struct {
adamc@759 396 struct input *entries, *parent;
adamc@759 397 } subforms;
adamc@759 398 struct {
adamc@759 399 struct input *fields, *next, *parent;
adamc@759 400 } entry;
adamc@737 401 } data;
adamc@737 402 } input;
adamc@737 403
adamc@771 404 typedef struct {
adamc@771 405 void *data;
adam@1327 406 uw_callback commit, rollback;
adam@1327 407 uw_callback_with_retry free;
adamc@771 408 } transactional;
adamc@771 409
adamc@1061 410 typedef struct {
adamc@1061 411 char *name;
adamc@1061 412 void *data;
adamc@1061 413 void (*free)(void*);
adamc@1061 414 } global;
adamc@1061 415
adamc@311 416 struct uw_context {
adamc@1094 417 uw_app *app;
adam@1446 418 int id;
adamc@1094 419
adamc@854 420 char *(*get_header)(void *, const char *);
adamc@854 421 void *get_header_data;
adamc@457 422
adam@1799 423 char *(*get_env)(void *, const char *);
adam@1799 424 void *get_env_data;
adam@1799 425
adam@1369 426 uw_buffer outHeaders, page, heap, script;
adam@1451 427 int allowed_to_return_indirectly, returning_indirectly;
adamc@759 428 input *inputs, *subinputs, *cur_container;
adamc@1094 429 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167 430
adam@1446 431 unsigned long long source_count;
adamc@562 432
adamc@272 433 void *db;
adam@1931 434 int transaction_started;
adamc@272 435
adamc@167 436 jmp_buf jmp_buf;
adamc@167 437
adamc@323 438 regions *regions;
adamc@323 439
adamc@425 440 cleanup *cleanup, *cleanup_front, *cleanup_back;
adamc@425 441
adamc@1094 442 const char *script_header;
adamc@643 443
adam@2056 444 int needs_push, needs_sig, could_write_db, at_most_one_query;
adamc@693 445
adamc@682 446 size_t n_deltas, used_deltas;
adamc@682 447 delta *deltas;
adamc@671 448
adamc@682 449 client *client;
adamc@682 450
adamc@771 451 transactional *transactionals;
adamc@771 452 size_t n_transactionals, used_transactionals;
adamc@771 453
adamc@1061 454 global *globals;
adamc@1061 455 size_t n_globals;
adamc@1061 456
adamc@1066 457 char *current_url;
adamc@1066 458
adamc@1114 459 int deadline;
adamc@1114 460
adamc@1121 461 void *client_data;
adamc@1121 462
grrwlf@1997 463 uw_loggers *loggers;
adam@1334 464
adam@1386 465 int isPost, hasPostBody;
adam@1347 466 uw_Basis_postBody postBody;
adam@1370 467 uw_Basis_string queryString;
adam@1347 468
adam@1556 469 unsigned nextId;
adam@1556 470
adam@1782 471 int amInitializing;
adam@1782 472
adamc@167 473 char error_message[ERROR_BUF_LEN];
adam@1877 474
adam@1877 475 int usedSig, needsResig;
adam@1949 476
adam@1949 477 char *output_buffer;
adam@1949 478 size_t output_buffer_size;
adam@2073 479
adam@2073 480 int remoteSock;
adamc@117 481 };
adamc@117 482
adamc@1113 483 size_t uw_headers_max = SIZE_MAX;
adamc@1113 484 size_t uw_page_max = SIZE_MAX;
adamc@1113 485 size_t uw_heap_max = SIZE_MAX;
adamc@1113 486 size_t uw_script_max = SIZE_MAX;
adamc@1113 487
grrwlf@1997 488 uw_context uw_init(int id, uw_loggers *lg) {
adamc@311 489 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 490
adamc@1094 491 ctx->app = NULL;
adam@1446 492 ctx->id = id;
adamc@1094 493
adamc@854 494 ctx->get_header = NULL;
adamc@854 495 ctx->get_header_data = NULL;
adamc@457 496
adam@1799 497 ctx->get_env = NULL;
adam@1799 498 ctx->get_env_data = NULL;
adam@1799 499
adam@1413 500 uw_buffer_init(uw_headers_max, &ctx->outHeaders, 1);
adam@1413 501 ctx->outHeaders.start[0] = 0;
adam@1413 502 uw_buffer_init(uw_page_max, &ctx->page, 1);
adam@1413 503 ctx->page.start[0] = 0;
adam@1451 504 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 505 uw_buffer_init(uw_heap_max, &ctx->heap, uw_min_heap);
adam@1369 506 uw_buffer_init(uw_script_max, &ctx->script, 1);
adamc@667 507 ctx->script.start[0] = 0;
adamc@136 508
adamc@1094 509 ctx->inputs = malloc(0);
adamc@759 510 ctx->cur_container = NULL;
adamc@756 511 ctx->subinputs = malloc(0);
adamc@1094 512 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 513
adamc@272 514 ctx->db = NULL;
adam@1931 515 ctx->transaction_started = 0;
adamc@272 516
adamc@323 517 ctx->regions = NULL;
adamc@323 518
adamc@425 519 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 520
adamc@643 521 ctx->script_header = "";
adamc@693 522 ctx->needs_push = 0;
adamc@736 523 ctx->needs_sig = 0;
adam@1936 524 ctx->could_write_db = 1;
adam@2056 525 ctx->at_most_one_query = 0;
adamc@1104 526
adamc@565 527 ctx->source_count = 0;
adamc@562 528
adamc@682 529 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 530 ctx->deltas = malloc(0);
adamc@671 531
adamc@700 532 ctx->client = NULL;
adamc@700 533
adamc@700 534 ctx->error_message[0] = 0;
adamc@700 535
adamc@771 536 ctx->transactionals = malloc(0);
adamc@771 537 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 538
adamc@1061 539 ctx->globals = malloc(0);
adamc@1061 540 ctx->n_globals = 0;
adamc@1061 541
adamc@1066 542 ctx->current_url = "";
adamc@1066 543
adamc@1114 544 ctx->deadline = INT_MAX;
adamc@1114 545
adamc@1121 546 ctx->client_data = uw_init_client_data();
adamc@1121 547
grrwlf@1997 548 ctx->loggers = lg;
adam@1334 549
adam@1386 550 ctx->isPost = ctx->hasPostBody = 0;
adam@1347 551
adam@1370 552 ctx->queryString = NULL;
adam@1370 553
adam@1556 554 ctx->nextId = 0;
adam@1556 555
adam@1782 556 ctx->amInitializing = 0;
adam@1782 557
adam@1877 558 ctx->usedSig = 0;
adam@1877 559 ctx->needsResig = 0;
adam@1877 560
adam@1949 561 ctx->output_buffer = malloc(1);
adam@1949 562 ctx->output_buffer_size = 1;
adam@1949 563
adam@2073 564 ctx->remoteSock = -1;
adam@2073 565
adamc@117 566 return ctx;
adamc@106 567 }
adamc@106 568
adamc@1113 569 size_t uw_inputs_max = SIZE_MAX;
adamc@1113 570
adamc@1121 571 uw_app *uw_get_app(uw_context ctx) {
adamc@1121 572 return ctx->app;
adamc@1121 573 }
adamc@1121 574
adamc@1113 575 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094 576 ctx->app = app;
adamc@1094 577
adamc@1105 578 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113 579 if (app->inputs_len > uw_inputs_max)
adamc@1113 580 return 1;
adamc@1113 581
adamc@1094 582 ctx->sz_inputs = app->inputs_len;
adamc@1094 583 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094 584 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094 585 }
adamc@1134 586
adamc@1134 587 return 0;
adamc@1094 588 }
adamc@1094 589
adamc@1121 590 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121 591 uw_copy_client_data(ctx->client_data, data);
adamc@1121 592 }
adamc@1121 593
adamc@311 594 void uw_set_db(uw_context ctx, void *db) {
adamc@272 595 ctx->db = db;
adamc@272 596 }
adamc@272 597
adamc@311 598 void *uw_get_db(uw_context ctx) {
adamc@272 599 return ctx->db;
adamc@272 600 }
adamc@272 601
grrwlf@1997 602
grrwlf@1997 603 uw_loggers* uw_get_loggers(struct uw_context *ctx) {
grrwlf@1997 604 return ctx->loggers;
grrwlf@1997 605 }
grrwlf@1997 606
adamc@311 607 void uw_free(uw_context ctx) {
adamc@671 608 size_t i;
adamc@671 609
adam@1369 610 uw_buffer_free(&ctx->outHeaders);
adam@1369 611 uw_buffer_free(&ctx->script);
adam@1369 612 uw_buffer_free(&ctx->page);
adam@1369 613 uw_buffer_free(&ctx->heap);
adamc@144 614 free(ctx->inputs);
adamc@756 615 free(ctx->subinputs);
adamc@425 616 free(ctx->cleanup);
adamc@771 617 free(ctx->transactionals);
adamc@1121 618 uw_free_client_data(ctx->client_data);
adamc@671 619
adamc@682 620 for (i = 0; i < ctx->n_deltas; ++i)
adam@1369 621 uw_buffer_free(&ctx->deltas[i].msgs);
marco-oweber@1330 622 free(ctx->deltas);
adamc@671 623
adamc@1061 624 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089 625 if (ctx->globals[i].free)
adamc@1089 626 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330 627 free(ctx->globals);
adamc@1061 628
adam@1949 629 free(ctx->output_buffer);
adam@1949 630
adamc@136 631 free(ctx);
adamc@136 632 }
adamc@136 633
adamc@562 634 void uw_reset_keep_error_message(uw_context ctx) {
adam@1369 635 uw_buffer_reset(&ctx->outHeaders);
adam@1369 636 uw_buffer_reset(&ctx->script);
adamc@667 637 ctx->script.start[0] = 0;
adam@1369 638 uw_buffer_reset(&ctx->page);
adam@1451 639 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 640 uw_buffer_reset(&ctx->heap);
adamc@323 641 ctx->regions = NULL;
adamc@425 642 ctx->cleanup_front = ctx->cleanup;
adamc@682 643 ctx->used_deltas = 0;
adamc@682 644 ctx->client = NULL;
adamc@759 645 ctx->cur_container = NULL;
adamc@771 646 ctx->used_transactionals = 0;
adamc@1117 647 ctx->script_header = "";
adam@1370 648 ctx->queryString = NULL;
adam@1556 649 ctx->nextId = 0;
adam@1782 650 ctx->amInitializing = 0;
adam@1877 651 ctx->usedSig = 0;
adam@1877 652 ctx->needsResig = 0;
adam@2073 653 ctx->remoteSock = -1;
adamc@167 654 }
adamc@167 655
adamc@562 656 void uw_reset_keep_request(uw_context ctx) {
adamc@562 657 uw_reset_keep_error_message(ctx);
adamc@562 658 ctx->error_message[0] = 0;
adamc@167 659 }
adamc@167 660
adamc@311 661 void uw_reset(uw_context ctx) {
adamc@311 662 uw_reset_keep_request(ctx);
adamc@1105 663 if (ctx->app)
adamc@1105 664 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756 665 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adam@1461 666 ctx->used_subinputs = ctx->hasPostBody = ctx->isPost = 0;
adam@1943 667 ctx->transaction_started = 0;
adamc@144 668 }
adamc@144 669
adamc@311 670 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 671 int r = setjmp(ctx->jmp_buf);
adamc@272 672
adamc@1105 673 if (r == 0 && ctx->app)
adamc@1094 674 ctx->app->db_init(ctx);
adamc@272 675
adamc@272 676 return r;
adamc@272 677 }
adamc@272 678
adamc@1118 679 void uw_close(uw_context ctx) {
adamc@1118 680 ctx->app->db_close(ctx);
adamc@1118 681 }
adamc@1118 682
adam@1446 683 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adam@1446 684 return ctx->get_header(ctx->get_header_data, h);
adam@1446 685 }
adam@1446 686
adamc@854 687 void uw_set_headers(uw_context ctx, char *(*get_header)(void *, const char *), void *get_header_data) {
adamc@854 688 ctx->get_header = get_header;
adamc@854 689 ctx->get_header_data = get_header_data;
adamc@742 690 }
adamc@742 691
adam@1799 692 void uw_set_env(uw_context ctx, char *(*get_env)(void *, const char *), void *get_env_data) {
adam@1799 693 ctx->get_env = get_env;
adam@1799 694 ctx->get_env_data = get_env_data;
adam@1799 695 }
adam@1799 696
adamc@801 697 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801 698 va_list ap;
adamc@801 699 va_start(ap, fmt);
adamc@801 700
adamc@801 701 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801 702 }
adamc@801 703
adamc@1131 704 int uw_has_error(uw_context ctx) {
adamc@1131 705 return ctx->error_message[0] != 0;
adamc@1131 706 }
adamc@1131 707
adamc@311 708 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 709 cleanup *cl;
adamc@425 710
adamc@167 711 va_list ap;
adamc@167 712 va_start(ap, fmt);
adamc@167 713
adamc@167 714 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 715
adamc@425 716 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 717 cl->func(cl->arg);
adamc@425 718
adamc@425 719 ctx->cleanup_front = ctx->cleanup;
adamc@425 720
adamc@190 721 longjmp(ctx->jmp_buf, fk);
adamc@167 722 }
adamc@167 723
adamc@1113 724 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113 725
adamc@425 726 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 727 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 728 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 729 if (len == 0)
adamc@425 730 newLen = 1;
adamc@425 731 else
adamc@428 732 newLen = len * 2;
adamc@1113 733
adamc@1134 734 if (newLen > uw_cleanup_max) {
adamc@1113 735 if (len+1 <= uw_cleanup_max)
adamc@1113 736 newLen = uw_cleanup_max;
adamc@1113 737 else
adamc@1113 738 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134 739 }
adamc@1113 740
adamc@470 741 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 742 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 743 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 744 }
adamc@425 745
adamc@425 746 ctx->cleanup_front->func = func;
adamc@425 747 ctx->cleanup_front->arg = arg;
adamc@425 748 ++ctx->cleanup_front;
adamc@425 749 }
adamc@425 750
adam@1444 751 char *uw_Basis_htmlifyString(uw_context, const char *);
adam@1444 752
adamc@682 753 void uw_login(uw_context ctx) {
adam@1942 754 char *id_s, *pass_s;
adam@1942 755
adam@1942 756 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adam@1942 757 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adam@1942 758 unsigned id = atoi(id_s);
adam@1942 759 int pass = atoi(pass_s);
adam@1942 760 client *c = find_client(id);
adam@1942 761
adam@1942 762 if (c == NULL)
adam@1942 763 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", uw_Basis_htmlifyString(ctx, id_s), uw_Basis_htmlifyString(ctx, pass_s));
adam@1942 764 else {
adamc@685 765 use_client(c);
adamc@682 766 ctx->client = c;
adam@1942 767
adam@1942 768 if (c->mode != USED)
adam@1942 769 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adam@1942 770 if (c->pass != pass)
adam@1942 771 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@864 772 }
adam@1942 773 } else if (ctx->needs_push) {
adam@1942 774 client *c = new_client();
adam@1942 775
adam@1942 776 if (c == NULL)
adam@1942 777 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adam@1942 778
adam@1942 779 use_client(c);
adam@1942 780 uw_copy_client_data(c->data, ctx->client_data);
adam@1942 781 ctx->client = c;
adamc@682 782 }
adamc@682 783 }
adamc@682 784
adamc@671 785 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671 786 int r = setjmp(ctx->jmp_buf);
adamc@671 787
adam@1931 788 if (r == 0)
adam@1931 789 ctx->app->handle(ctx, path);
adam@1931 790
adam@1931 791 return r;
adam@1931 792 }
adam@1931 793
adam@1931 794 void uw_ensure_transaction(uw_context ctx) {
adam@2056 795 if (!ctx->transaction_started && !ctx->at_most_one_query) {
adam@1936 796 if (ctx->app->db_begin(ctx, ctx->could_write_db))
adamc@671 797 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1931 798 ctx->transaction_started = 1;
adamc@671 799 }
adamc@671 800 }
adamc@671 801
adamc@772 802 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682 803 if (ctx->client == NULL)
adamc@682 804 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682 805
adamc@682 806 return ctx->client->id;
adamc@682 807 }
adamc@682 808
adamc@425 809 void uw_pop_cleanup(uw_context ctx) {
adamc@425 810 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 811 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 812
adamc@425 813 --ctx->cleanup_front;
adamc@425 814 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 815 }
adamc@425 816
adamc@311 817 char *uw_error_message(uw_context ctx) {
adamc@167 818 return ctx->error_message;
adamc@167 819 }
adamc@167 820
adamc@1115 821 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115 822 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115 823 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115 824 }
adamc@1115 825
adamc@759 826 static input *INP(uw_context ctx) {
adamc@759 827 if (ctx->cur_container == NULL)
adamc@759 828 return ctx->inputs;
adamc@759 829 else if (ctx->cur_container->kind == SUBFORM)
adamc@759 830 return ctx->cur_container->data.subform.fields;
adamc@759 831 else if (ctx->cur_container->kind == ENTRY)
adamc@759 832 return ctx->cur_container->data.entry.fields;
adamc@759 833 else
adamc@760 834 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759 835 }
adamc@759 836
adamc@760 837 static void adjust_pointer(input **ptr, input *old_start, input *new_start, size_t len) {
adamc@760 838 if (*ptr != NULL && *ptr >= old_start && *ptr < old_start + len)
adamc@760 839 *ptr += new_start - old_start;
adamc@760 840 }
adamc@760 841
adamc@760 842 static void adjust_input(input *x, input *old_start, input *new_start, size_t len) {
adamc@759 843 switch (x->kind) {
adamc@759 844 case SUBFORM:
adamc@760 845 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760 846 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759 847 break;
adamc@759 848 case SUBFORMS:
adamc@760 849 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760 850 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759 851 break;
adamc@759 852 case ENTRY:
adamc@760 853 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760 854 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760 855 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134 856 break;
adamc@1134 857 default:
adamc@1134 858 break;
phurst@1981 859 }
adamc@759 860 }
adamc@759 861
adamc@1113 862 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113 863
adamc@759 864 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759 865 size_t i;
adamc@759 866 input *r;
adamc@759 867
adamc@759 868 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113 869 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113 870 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113 871
adamc@759 872 input *new_subinputs = realloc(ctx->subinputs, sizeof(input) * (ctx->used_subinputs + len));
adamc@759 873
adamc@760 874 if (ctx->subinputs != new_subinputs) {
adamc@760 875 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760 876 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094 877 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760 878 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 879
adamc@760 880 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 881
adamc@760 882 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760 883 ctx->subinputs = new_subinputs;
adamc@760 884 }
adamc@759 885 }
adamc@759 886
adamc@759 887 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759 888
adamc@759 889 for (i = 0; i < len; ++i)
adam@1474 890 ctx->subinputs[ctx->used_subinputs++].kind = UNSET;
adamc@759 891
adamc@759 892 return r;
adamc@759 893 }
adamc@756 894
adamc@801 895 int uw_set_input(uw_context ctx, const char *name, char *value) {
adamc@1050 896 //printf("Input name %s\n", name);
adamc@1038 897
adamc@756 898 if (!strcasecmp(name, ".b")) {
adamc@1094 899 int n = ctx->app->input_num(value);
adamc@756 900 input *inps;
adamc@756 901
adamc@801 902 if (n < 0) {
adam@1444 903 uw_set_error(ctx, "Bad subform name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 904 return -1;
adamc@801 905 }
adamc@801 906
adamc@1094 907 if (n >= ctx->app->inputs_len) {
adam@1444 908 uw_set_error(ctx, "For subform name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 909 return -1;
adamc@801 910 }
adamc@756 911
adamc@1094 912 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759 913
adamc@759 914 INP(ctx)[n].kind = SUBFORM;
adamc@759 915 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759 916 INP(ctx)[n].data.subform.fields = inps;
adamc@759 917 ctx->cur_container = &INP(ctx)[n];
adamc@756 918 } else if (!strcasecmp(name, ".e")) {
adamc@756 919 input *tmp;
adamc@756 920
adamc@801 921 if (ctx->cur_container == NULL) {
adamc@801 922 uw_set_error(ctx, "Unmatched subform closer");
adamc@801 923 return -1;
adamc@801 924 }
adamc@756 925
adamc@759 926 tmp = ctx->cur_container;
adamc@759 927 switch (tmp->kind) {
adamc@759 928 case SUBFORM:
adamc@759 929 ctx->cur_container = tmp->data.subform.parent;
adamc@759 930 tmp->data.subform.parent = NULL;
adamc@759 931 break;
adamc@759 932 case SUBFORMS:
adamc@759 933 ctx->cur_container = tmp->data.subforms.parent;
adamc@759 934 tmp->data.subforms.parent = NULL;
adamc@759 935 break;
adamc@759 936 case ENTRY:
adamc@759 937 ctx->cur_container = tmp->data.entry.parent;
adamc@759 938 break;
adamc@759 939 default:
adamc@801 940 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801 941 return -1;
adamc@759 942 }
adamc@759 943 } else if (!strcasecmp(name, ".s")) {
adamc@1094 944 int n = ctx->app->input_num(value);
adamc@759 945
adamc@801 946 if (n < 0) {
adam@1444 947 uw_set_error(ctx, "Bad subforms name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 948 return -1;
adamc@801 949 }
adamc@801 950
adamc@1094 951 if (n >= ctx->app->inputs_len) {
adam@1444 952 uw_set_error(ctx, "For subforms name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 953 return -1;
adamc@801 954 }
adamc@759 955
adamc@759 956 INP(ctx)[n].kind = SUBFORMS;
adamc@759 957 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 958 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759 959 ctx->cur_container = &INP(ctx)[n];
adamc@759 960 } else if (!strcasecmp(name, ".i")) {
adamc@759 961 input *inps;
adamc@759 962
adamc@801 963 if (!ctx->cur_container) {
adamc@801 964 uw_set_error(ctx, "New entry without container");
adamc@801 965 return -1;
adamc@801 966 }
adamc@801 967
adamc@801 968 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801 969 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801 970 return -1;
adamc@801 971 }
adamc@759 972
adamc@1094 973 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759 974
adamc@759 975 inps->kind = ENTRY;
adamc@759 976 inps->data.entry.parent = ctx->cur_container;
adamc@759 977 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759 978 ctx->cur_container->data.subforms.entries = inps;
adamc@759 979
adamc@759 980 inps->data.entry.fields = inps+1;
adamc@759 981 ctx->cur_container = inps;
adamc@756 982 } else {
adamc@1094 983 int n = ctx->app->input_num(name);
adamc@756 984
adam@1384 985 if (n < 0)
adam@1384 986 return 0;
adamc@801 987
adamc@1094 988 if (n >= ctx->app->inputs_len) {
adam@1444 989 uw_set_error(ctx, "For input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801 990 return -1;
adamc@801 991 }
adamc@756 992
adamc@756 993 INP(ctx)[n].kind = NORMAL;
adamc@756 994 INP(ctx)[n].data.normal = value;
adamc@756 995 }
adamc@801 996
adamc@801 997 return 0;
adamc@144 998 }
adamc@144 999
adamc@311 1000 char *uw_get_input(uw_context ctx, int n) {
adamc@169 1001 if (n < 0)
adamc@311 1002 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 1003 if (n >= ctx->app->inputs_len)
adamc@311 1004 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 1005
adamc@756 1006 switch (INP(ctx)[n].kind) {
adamc@737 1007 case UNSET:
adamc@737 1008 return NULL;
adamc@739 1009 case FIL:
adamc@739 1010 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 1011 case SUBFORM:
adamc@756 1012 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 1013 case SUBFORMS:
adamc@759 1014 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 1015 case ENTRY:
adamc@759 1016 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 1017 case NORMAL:
adamc@756 1018 return INP(ctx)[n].data.normal;
adamc@737 1019 default:
adamc@737 1020 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1021 }
adamc@138 1022 }
adamc@138 1023
adamc@311 1024 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 1025 if (n < 0)
adamc@311 1026 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 1027 if (n >= ctx->app->inputs_len)
adamc@311 1028 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 1029
adamc@756 1030 switch (INP(ctx)[n].kind) {
adamc@737 1031 case UNSET:
adamc@737 1032 return "";
adamc@739 1033 case FIL:
adamc@739 1034 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 1035 case SUBFORM:
adamc@756 1036 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 1037 case SUBFORMS:
adamc@759 1038 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 1039 case ENTRY:
adamc@759 1040 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 1041 case NORMAL:
adamc@756 1042 return INP(ctx)[n].data.normal;
adamc@737 1043 default:
adamc@737 1044 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1045 }
adamc@737 1046 }
adamc@737 1047
adamc@801 1048 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094 1049 int n = ctx->app->input_num(name);
adamc@737 1050
adamc@801 1051 if (n < 0) {
adam@2054 1052 uw_set_error(ctx, "Bad file input name");
adamc@801 1053 return -1;
adamc@801 1054 }
adamc@801 1055
adamc@1094 1056 if (n >= ctx->app->inputs_len) {
adam@2054 1057 uw_set_error(ctx, "For file input name, index %d is out of range", n);
adamc@801 1058 return -1;
adamc@801 1059 }
adamc@737 1060
adamc@739 1061 ctx->inputs[n].kind = FIL;
adamc@739 1062 ctx->inputs[n].data.file = f;
adamc@801 1063
adamc@801 1064 return 0;
adamc@737 1065 }
adamc@737 1066
adamc@739 1067 void *uw_malloc(uw_context ctx, size_t len);
adamc@739 1068
adamc@739 1069 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737 1070 if (n < 0)
adamc@737 1071 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094 1072 if (n >= ctx->app->inputs_len)
adamc@737 1073 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737 1074
adamc@756 1075 switch (INP(ctx)[n].kind) {
adamc@737 1076 case UNSET:
adamc@737 1077 {
adamc@739 1078 char *data = uw_malloc(ctx, 0);
adamc@740 1079 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739 1080 return f;
adamc@737 1081 }
adamc@739 1082 case FIL:
adamc@756 1083 return INP(ctx)[n].data.file;
adamc@737 1084 case NORMAL:
adamc@737 1085 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756 1086 case SUBFORM:
adamc@756 1087 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759 1088 case SUBFORMS:
adamc@759 1089 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759 1090 case ENTRY:
adamc@759 1091 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737 1092 default:
adamc@737 1093 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1094 }
adamc@190 1095 }
adamc@190 1096
adamc@756 1097 void uw_enter_subform(uw_context ctx, int n) {
adamc@756 1098 if (n < 0)
adamc@756 1099 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094 1100 if (n >= ctx->app->inputs_len)
adamc@756 1101 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756 1102
adamc@756 1103 switch (INP(ctx)[n].kind) {
adamc@756 1104 case UNSET:
adamc@756 1105 uw_error(ctx, FATAL, "Missing subform");
adamc@756 1106 case FIL:
adamc@756 1107 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756 1108 case NORMAL:
adamc@756 1109 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759 1110 case SUBFORMS:
adamc@759 1111 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759 1112 case ENTRY:
adamc@759 1113 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756 1114 case SUBFORM:
adamc@759 1115 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760 1116 ctx->cur_container = &INP(ctx)[n];
adamc@756 1117 return;
adamc@756 1118 default:
adamc@756 1119 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756 1120 }
adamc@756 1121 }
adamc@756 1122
adamc@756 1123 void uw_leave_subform(uw_context ctx) {
adamc@756 1124 input *tmp;
adamc@756 1125
adamc@759 1126 if (ctx->cur_container == NULL)
adamc@756 1127 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756 1128
adamc@759 1129 tmp = ctx->cur_container;
adamc@759 1130 ctx->cur_container = tmp->data.subform.parent;
adamc@759 1131 tmp->data.subform.parent = NULL;
adamc@759 1132 }
adamc@759 1133
adamc@759 1134 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759 1135 input *inps;
adamc@759 1136
adamc@759 1137 if (n < 0)
adamc@759 1138 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094 1139 if (n >= ctx->app->inputs_len)
adamc@759 1140 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759 1141
adamc@759 1142 switch (INP(ctx)[n].kind) {
adamc@759 1143 case UNSET:
adamc@759 1144 uw_error(ctx, FATAL, "Missing subforms");
adamc@759 1145 case FIL:
adamc@759 1146 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759 1147 case NORMAL:
adamc@759 1148 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759 1149 case SUBFORM:
adamc@759 1150 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759 1151 case ENTRY:
adamc@759 1152 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759 1153 case SUBFORMS:
adamc@759 1154 inps = INP(ctx)[n].data.subforms.entries;
adamc@759 1155 if (inps) {
adamc@759 1156 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 1157 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759 1158 return 1;
adamc@759 1159 } else
adamc@759 1160 return 0;
adamc@759 1161 default:
adamc@759 1162 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1163 }
adamc@759 1164 }
adamc@759 1165
adamc@759 1166 int uw_next_entry(uw_context ctx) {
adamc@759 1167 if (ctx->cur_container == NULL)
adamc@759 1168 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759 1169
adamc@759 1170 switch (ctx->cur_container->kind) {
adamc@759 1171 case UNSET:
adamc@759 1172 uw_error(ctx, FATAL, "Missing entry");
adamc@759 1173 case FIL:
adamc@759 1174 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759 1175 case NORMAL:
adamc@759 1176 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759 1177 case SUBFORM:
adamc@759 1178 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759 1179 case SUBFORMS:
adamc@759 1180 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759 1181 case ENTRY:
adamc@759 1182 if (ctx->cur_container->data.entry.next) {
adamc@759 1183 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759 1184 return 1;
adamc@759 1185 } else {
adamc@759 1186 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759 1187 return 0;
adamc@759 1188 }
adamc@759 1189 default:
adamc@759 1190 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1191 }
adamc@756 1192 }
adamc@756 1193
adamc@643 1194 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 1195 ctx->script_header = s;
adamc@643 1196 }
adamc@643 1197
adamc@1094 1198 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094 1199 return ctx->app->url_prefix;
adamc@667 1200 }
adamc@667 1201
adamc@693 1202 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693 1203 ctx->needs_push = n;
adamc@693 1204 }
adamc@693 1205
adamc@736 1206 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736 1207 ctx->needs_sig = n;
adamc@736 1208 }
adamc@736 1209
adam@1936 1210 void uw_set_could_write_db(uw_context ctx, int n) {
adam@1936 1211 ctx->could_write_db = n;
adam@1936 1212 }
adam@1936 1213
adam@2056 1214 void uw_set_at_most_one_query(uw_context ctx, int n) {
adam@2056 1215 ctx->at_most_one_query = n;
adam@2056 1216 }
adam@2056 1217
adamc@667 1218
adam@1369 1219 static void uw_buffer_check_ctx(uw_context ctx, const char *kind, uw_buffer *b, size_t extra, const char *desc) {
adamc@666 1220 if (b->back - b->front < extra) {
adamc@666 1221 size_t desired = b->front - b->start + extra, next;
adamc@136 1222 char *new_heap;
adamc@136 1223
adamc@666 1224 next = b->back - b->start;
adamc@317 1225 if (next == 0)
adamc@317 1226 next = 1;
adamc@317 1227 for (; next < desired; next *= 2);
adamc@136 1228
adamc@1134 1229 if (next > b->max) {
adamc@1113 1230 if (desired <= b->max)
adamc@1113 1231 next = desired;
adamc@1113 1232 else
adamc@1113 1233 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134 1234 }
adamc@1113 1235
adamc@666 1236 new_heap = realloc(b->start, next);
adamc@666 1237 b->front = new_heap + (b->front - b->start);
adamc@666 1238 b->back = new_heap + next;
adamc@136 1239
adamc@667 1240 if (new_heap != b->start) {
adamc@666 1241 b->start = new_heap;
adam@1389 1242 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously; increasing size to %llu", desc, (unsigned long long)next);
adamc@136 1243 }
adamc@136 1244
adamc@666 1245 b->start = new_heap;
adamc@136 1246 }
adamc@136 1247 }
adamc@136 1248
adamc@832 1249 void uw_check_heap(uw_context ctx, size_t extra) {
adam@1369 1250 uw_buffer_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666 1251 }
adamc@666 1252
adamc@832 1253 char *uw_heap_front(uw_context ctx) {
adamc@832 1254 return ctx->heap.front;
adamc@832 1255 }
adamc@832 1256
adamc@832 1257 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832 1258 ctx->heap.front = fr;
adamc@832 1259 }
adamc@832 1260
adam@1782 1261 void uw_begin_initializing(uw_context ctx) {
adam@1782 1262 ctx->amInitializing = 1;
adam@1782 1263 }
adam@1782 1264
adam@1782 1265 void uw_end_initializing(uw_context ctx) {
adam@1782 1266 ctx->amInitializing = 0;
adam@1782 1267 }
adam@1782 1268
adam@2013 1269 static void align_heap(uw_context ctx) {
adam@2013 1270 size_t posn = ctx->heap.front - ctx->heap.start;
adam@2013 1271
adam@2017 1272 if (posn % sizeof(void *) != 0) {
adam@2017 1273 size_t bump = sizeof(void *) - posn % sizeof(void *);
adam@2013 1274 uw_check_heap(ctx, bump);
adam@2013 1275 ctx->heap.front += bump;
adam@2013 1276 }
adam@2013 1277 }
adam@2013 1278
adamc@311 1279 void *uw_malloc(uw_context ctx, size_t len) {
adam@2013 1280 // On some architectures, it's important that all word-sized memory accesses
adam@2013 1281 // be to word-aligned addresses, so we'll do a little bit of extra work here
adam@2013 1282 // in anticipation of a possible word-aligned access to the address we'll
adam@2013 1283 // return.
adam@2013 1284
adamc@136 1285 void *result;
adamc@136 1286
adam@1782 1287 if (ctx->amInitializing) {
adam@2017 1288 int error = posix_memalign(&result, sizeof(void *), len);
adam@2013 1289
adam@2013 1290 if (!error)
adam@1782 1291 return result;
adam@1782 1292 else
adam@2013 1293 uw_error(ctx, FATAL, "uw_malloc: posix_memalign() returns %d", error);
adam@1782 1294 } else {
adam@2013 1295 align_heap(ctx);
adam@2013 1296
adam@1782 1297 uw_check_heap(ctx, len);
adam@1782 1298
adam@1782 1299 result = ctx->heap.front;
adam@1782 1300 ctx->heap.front += len;
adam@1782 1301 return result;
adam@1782 1302 }
adamc@117 1303 }
adamc@117 1304
adamc@323 1305 void uw_begin_region(uw_context ctx) {
adam@2013 1306 align_heap(ctx);
adam@2013 1307
adamc@666 1308 regions *r = (regions *) ctx->heap.front;
adamc@323 1309
adamc@323 1310 uw_check_heap(ctx, sizeof(regions));
adamc@323 1311
adamc@666 1312 ctx->heap.front += sizeof(regions);
adamc@323 1313
adamc@323 1314 r->next = ctx->regions;
adamc@323 1315 ctx->regions = r;
adamc@323 1316 }
adamc@323 1317
adamc@323 1318 void uw_end_region(uw_context ctx) {
adamc@323 1319 regions *r = ctx->regions;
adamc@323 1320
adamc@323 1321 if (r == NULL)
adamc@323 1322 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 1323
adamc@666 1324 ctx->heap.front = (char *) r;
adamc@323 1325 ctx->regions = r->next;
adamc@323 1326 }
adamc@323 1327
adamc@324 1328 void uw_memstats(uw_context ctx) {
adam@1369 1329 printf("Headers: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->outHeaders), (unsigned long)uw_buffer_avail(&ctx->outHeaders));
adam@1369 1330 printf("Script: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->script), (unsigned long)uw_buffer_avail(&ctx->script));
adam@1369 1331 printf("Page: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->page), (unsigned long)uw_buffer_avail(&ctx->page));
adam@1369 1332 printf("Heap: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->heap), (unsigned long)uw_buffer_avail(&ctx->heap));
adamc@324 1333 }
adamc@324 1334
adam@1915 1335 int uw_pagelen(uw_context ctx) {
adam@1915 1336 return ctx->page.front - ctx->page.start;
adam@1915 1337 }
adam@1915 1338
adamc@311 1339 int uw_send(uw_context ctx, int sock) {
adam@1949 1340 size_t target_length = (ctx->outHeaders.front - ctx->outHeaders.start) + 2 + (ctx->page.front - ctx->page.start);
adam@1949 1341
adam@1949 1342 if (ctx->output_buffer_size < target_length) {
adam@1949 1343 do {
adam@1949 1344 ctx->output_buffer_size *= 2;
adam@1949 1345 } while (ctx->output_buffer_size < target_length);
adam@1949 1346 ctx->output_buffer = realloc(ctx->output_buffer, ctx->output_buffer_size);
adam@1949 1347 }
adam@1949 1348
adam@1949 1349 memcpy(ctx->output_buffer, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adam@1949 1350 memcpy(ctx->output_buffer + (ctx->outHeaders.front - ctx->outHeaders.start), "\r\n", 2);
adam@1949 1351 memcpy(ctx->output_buffer + (ctx->outHeaders.front - ctx->outHeaders.start) + 2, ctx->page.start, ctx->page.front - ctx->page.start);
adam@1949 1352
adam@1949 1353 return uw_really_send(sock, ctx->output_buffer, target_length);
adamc@462 1354 }
adamc@462 1355
adamc@856 1356 int uw_print(uw_context ctx, int fd) {
adamc@856 1357 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856 1358
adamc@856 1359 if (n < 0)
adamc@856 1360 return n;
adamc@856 1361
adamc@856 1362 n = uw_really_write(fd, "\r\n", 2);
adamc@856 1363
adamc@856 1364 if (n < 0)
adamc@856 1365 return n;
adamc@856 1366
adamc@856 1367 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856 1368 }
adamc@856 1369
adamc@860 1370 int uw_output(uw_context ctx, int (*output)(void *data, char *buf, size_t len), void *data) {
adamc@860 1371 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860 1372
adamc@860 1373 if (n < 0)
adamc@860 1374 return n;
adamc@860 1375
adamc@860 1376 n = output(data, "\r\n", 2);
adamc@860 1377
adamc@860 1378 if (n < 0)
adamc@860 1379 return n;
adamc@860 1380
adamc@860 1381 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860 1382 }
adamc@860 1383
adamc@462 1384 static void uw_check_headers(uw_context ctx, size_t extra) {
adam@1369 1385 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462 1386 }
adamc@462 1387
adamc@462 1388 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 1389 int len = strlen(s);
adamc@462 1390
adamc@462 1391 uw_check_headers(ctx, len + 1);
adamc@666 1392 strcpy(ctx->outHeaders.front, s);
adamc@666 1393 ctx->outHeaders.front += len;
adamc@562 1394 }
adamc@562 1395
adam@1934 1396 int uw_has_contentLength(uw_context ctx) {
adam@1934 1397 return strstr(ctx->outHeaders.start, "Content-length: ") != NULL;
adam@1934 1398 }
adam@1934 1399
adamc@1110 1400 void uw_clear_headers(uw_context ctx) {
adam@1369 1401 uw_buffer_reset(&ctx->outHeaders);
adamc@1110 1402 }
adamc@1110 1403
adam@1932 1404 void uw_Basis_clear_page(uw_context ctx) {
adam@1932 1405 uw_buffer_reset(&ctx->page);
adam@1932 1406 }
adam@1932 1407
adamc@562 1408 static void uw_check_script(uw_context ctx, size_t extra) {
adam@1369 1409 ctx_uw_buffer_check(ctx, "script", &ctx->script, extra);
adamc@562 1410 }
adamc@562 1411
adamc@562 1412 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 1413 int len = strlen(s);
adamc@562 1414
adamc@562 1415 uw_check_script(ctx, len + 1);
adamc@666 1416 strcpy(ctx->script.front, s);
adamc@666 1417 ctx->script.front += len;
adamc@562 1418 }
adamc@562 1419
adam@1446 1420 const char *uw_get_real_script(uw_context ctx) {
adam@1671 1421 if (strstr(ctx->outHeaders.start, "Set-Cookie: ")) {
adam@1671 1422 uw_write_script(ctx, "sig=\"");
adam@1671 1423 uw_write_script(ctx, ctx->app->cookie_sig(ctx));
adam@1671 1424 uw_write_script(ctx, "\";");
adam@1671 1425 }
adam@1671 1426
adam@1446 1427 return ctx->script.start;
adam@1446 1428 }
adam@1446 1429
adamc@695 1430 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695 1431 if (s[0] == 0)
adamc@695 1432 return "";
adamc@695 1433 else {
adamc@695 1434 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695 1435 sprintf(r, " onload='%s'", s);
adamc@695 1436 return r;
adamc@695 1437 }
adamc@695 1438 }
adamc@695 1439
adamc@1042 1440 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042 1441 if (ctx->script_header[0] == 0)
adamc@1042 1442 return "";
adamc@1042 1443 else {
vshabanoff@1763 1444 char *r = uw_malloc(ctx, 37 + strlen(s));
vshabanoff@1763 1445 sprintf(r, " onunload='unloading=true;%s;unload()'", s);
adamc@1042 1446 return r;
adamc@1042 1447 }
adamc@1042 1448 }
adamc@1042 1449
adamc@694 1450 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736 1451 if (ctx->client == NULL) {
adamc@736 1452 if (ctx->needs_sig) {
adamc@1094 1453 char *sig = ctx->app->cookie_sig(ctx);
adamc@736 1454 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736 1455 sprintf(r, "sig=\"%s\";", sig);
adamc@736 1456 return r;
adamc@736 1457 }
adamc@736 1458 else
adamc@736 1459 return "";
adamc@736 1460 } else {
adamc@1094 1461 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094 1462 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736 1463 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adam@1552 1464 sprintf(r, "isPost=%s;client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adam@1552 1465 (ctx->isPost ? "true" : "false"),
adamc@682 1466 ctx->client->id,
adamc@682 1467 ctx->client->pass,
adamc@1094 1468 ctx->app->url_prefix,
adamc@1094 1469 ctx->app->timeout,
adamc@736 1470 ctx->needs_sig ? "sig=\"" : "",
adamc@736 1471 sig,
adamc@736 1472 ctx->needs_sig ? "\";" : "");
adamc@679 1473 return r;
adamc@668 1474 }
adamc@667 1475 }
adamc@667 1476
adamc@574 1477 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 1478 char *r, *s2;
adamc@574 1479
adam@1446 1480 uw_check_heap(ctx, strlen(s) * 4 + 3);
adamc@574 1481
adamc@666 1482 r = s2 = ctx->heap.front;
adamc@574 1483 *s2++ = '"';
adamc@574 1484
adamc@574 1485 for (; *s; s++) {
adam@1286 1486 unsigned char c = *s;
adamc@574 1487
adamc@574 1488 switch (c) {
adamc@574 1489 case '"':
adamc@574 1490 strcpy(s2, "\\\"");
adamc@574 1491 s2 += 2;
adamc@574 1492 break;
adamc@1027 1493 case '\'':
adamc@1027 1494 strcpy(s2, "\\047");
adamc@1027 1495 s2 += 4;
adamc@1027 1496 break;
adamc@574 1497 case '\\':
adamc@574 1498 strcpy(s2, "\\\\");
adamc@574 1499 s2 += 2;
adamc@574 1500 break;
adam@1457 1501 case '<':
adam@1457 1502 strcpy(s2, "\\074");
adam@1457 1503 s2 += 4;
adam@1457 1504 break;
adamc@574 1505 default:
adam@1286 1506 if (isprint((int)c) || c >= 128)
adamc@574 1507 *s2++ = c;
adamc@574 1508 else {
adam@1429 1509 sprintf(s2, "\\%03o", c);
adamc@574 1510 s2 += 4;
adamc@574 1511 }
adamc@574 1512 }
adamc@574 1513 }
adamc@574 1514
adamc@574 1515 strcpy(s2, "\"");
adamc@910 1516 ctx->heap.front = s2 + 2;
adamc@574 1517 return r;
adamc@574 1518 }
adamc@574 1519
adam@1286 1520 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286 1521 unsigned char c = c1;
adamc@1025 1522 char *r, *s2;
adamc@1025 1523
adam@1446 1524 uw_check_heap(ctx, 7);
adamc@1025 1525
adamc@1025 1526 r = s2 = ctx->heap.front;
adamc@1025 1527 *s2++ = '"';
adamc@1025 1528
adamc@1025 1529 switch (c) {
adamc@1025 1530 case '"':
adamc@1025 1531 strcpy(s2, "\\\"");
adamc@1025 1532 s2 += 2;
adamc@1025 1533 break;
adamc@1027 1534 case '\'':
adamc@1027 1535 strcpy(s2, "\\047");
adamc@1027 1536 s2 += 4;
adamc@1027 1537 break;
adamc@1025 1538 case '\\':
adamc@1025 1539 strcpy(s2, "\\\\");
adamc@1025 1540 s2 += 2;
adamc@1025 1541 break;
adam@1457 1542 case '<':
adam@1457 1543 strcpy(s2, "\\074");
adam@1457 1544 s2 += 4;
adam@1457 1545 break;
adamc@1025 1546 default:
adam@1286 1547 if (isprint((int)c) || c >= 128)
adamc@1025 1548 *s2++ = c;
adamc@1025 1549 else {
adam@1429 1550 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1025 1551 s2 += 4;
adamc@1025 1552 }
adamc@1025 1553 }
adamc@1025 1554
adamc@1025 1555 strcpy(s2, "\"");
adamc@1025 1556 ctx->heap.front = s2 + 2;
adamc@1025 1557 return r;
adamc@1025 1558 }
adamc@1025 1559
adamc@574 1560 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 1561 char *r, *s2;
adamc@574 1562
adam@1446 1563 uw_check_script(ctx, strlen(s) * 4 + 3);
adamc@574 1564
adamc@666 1565 r = s2 = ctx->script.front;
adamc@574 1566 *s2++ = '"';
adamc@574 1567
adamc@574 1568 for (; *s; s++) {
adam@1286 1569 unsigned char c = *s;
adamc@574 1570
adamc@574 1571 switch (c) {
adamc@577 1572 case '\'':
adamc@1027 1573 strcpy(s2, "\\");
adamc@574 1574 s2 += 2;
adamc@574 1575 break;
adamc@574 1576 case '\\':
adamc@574 1577 strcpy(s2, "\\\\");
adamc@574 1578 s2 += 2;
adamc@574 1579 break;
adam@1457 1580 case '<':
adam@1457 1581 strcpy(s2, "\\074");
adam@1457 1582 s2 += 4;
adam@1457 1583 break;
adamc@574 1584 default:
adam@1286 1585 if (isprint((int)c) || c >= 128)
adamc@574 1586 *s2++ = c;
adamc@574 1587 else {
adam@1429 1588 sprintf(s2, "\\%03o", c);
adamc@574 1589 s2 += 4;
adamc@574 1590 }
adamc@574 1591 }
adamc@574 1592 }
adamc@574 1593
adamc@574 1594 strcpy(s2, "\"");
adamc@666 1595 ctx->script.front = s2 + 1;
adamc@574 1596 return r;
adamc@574 1597 }
adamc@574 1598
adamc@682 1599 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1600 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1601 return "null";
adamc@682 1602 else {
adamc@682 1603 int len;
adamc@682 1604 char *r;
adamc@682 1605
adamc@682 1606 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1607 r = ctx->heap.front;
adamc@682 1608 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1609 ctx->heap.front += len+1;
adamc@682 1610 return r;
adamc@682 1611 }
adamc@682 1612 }
adamc@682 1613
adam@1446 1614 uw_Basis_source uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 1615 int len;
adamc@577 1616 size_t s_len = strlen(s);
adamc@562 1617
grrwlf@1998 1618 if(ctx->id < 0)
grrwlf@1998 1619 uw_error(ctx, FATAL, "Attempt to create client source using inappropriate context");
grrwlf@1998 1620
adam@1446 1621 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1622 sprintf(ctx->script.front, "s%d_%llu=sc(exec(%n", ctx->id, ctx->source_count, &len);
adamc@666 1623 ctx->script.front += len;
adamc@666 1624 strcpy(ctx->script.front, s);
adamc@666 1625 ctx->script.front += s_len;
adamc@970 1626 strcpy(ctx->script.front, "));");
adamc@972 1627 ctx->script.front += 3;
adamc@562 1628
adam@1446 1629 uw_Basis_source r = {ctx->id, ctx->source_count++};
adam@1446 1630 return r;
adam@1446 1631 }
adam@1446 1632
adam@1446 1633 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_source src, uw_Basis_string s) {
adamc@577 1634 int len;
adamc@577 1635 size_t s_len = strlen(s);
adamc@577 1636
adam@1446 1637 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1638 sprintf(ctx->script.front, "sv(s%d_%llu,exec(%n", src.context, src.source, &len);
adamc@666 1639 ctx->script.front += len;
adamc@666 1640 strcpy(ctx->script.front, s);
adamc@666 1641 ctx->script.front += s_len;
adamc@970 1642 strcpy(ctx->script.front, "));");
adamc@972 1643 ctx->script.front += 3;
adamc@577 1644
adamc@577 1645 return uw_unit_v;
adamc@577 1646 }
adamc@577 1647
adamc@311 1648 static void uw_check(uw_context ctx, size_t extra) {
adam@1369 1649 ctx_uw_buffer_check(ctx, "page", &ctx->page, extra);
adamc@117 1650 }
adamc@117 1651
adamc@311 1652 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 1653 *(ctx->page.front)++ = c;
adam@1413 1654 *ctx->page.front = 0;
adamc@117 1655 }
adamc@117 1656
adamc@311 1657 void uw_writec(uw_context ctx, char c) {
adam@1413 1658 uw_check(ctx, 2);
adamc@311 1659 uw_writec_unsafe(ctx, c);
adamc@117 1660 }
adamc@117 1661
adam@2085 1662 void uw_Basis_writec(uw_context ctx, char c) {
adam@2085 1663 uw_writec(ctx, c);
adam@2085 1664 }
adam@2085 1665
adamc@311 1666 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 1667 int len = strlen(s);
adamc@666 1668 memcpy(ctx->page.front, s, len);
adamc@666 1669 ctx->page.front += len;
adamc@117 1670 }
adamc@117 1671
adamc@311 1672 void uw_write(uw_context ctx, const char* s) {
adamc@311 1673 uw_check(ctx, strlen(s) + 1);
adamc@311 1674 uw_write_unsafe(ctx, s);
adamc@666 1675 *ctx->page.front = 0;
adamc@102 1676 }
adamc@106 1677
adamc@311 1678 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 1679 char *result;
adamc@136 1680 int len;
adamc@311 1681 uw_check_heap(ctx, INTS_MAX);
adamc@666 1682 result = ctx->heap.front;
adamc@276 1683 sprintf(result, "%lld%n", n, &len);
adamc@666 1684 ctx->heap.front += len+1;
adamc@136 1685 return result;
adamc@106 1686 }
adamc@106 1687
adamc@311 1688 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 1689 char *result;
adamc@136 1690 int len;
adamc@311 1691 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1692 result = ctx->heap.front;
adam@1920 1693 sprintf(result, "%.16g%n", n, &len);
adamc@666 1694 ctx->heap.front += len+1;
adamc@136 1695 return result;
adamc@106 1696 }
adamc@106 1697
adamc@311 1698 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 1699 int len = strlen(s);
adamc@136 1700 char *result, *p;
adamc@311 1701 uw_check_heap(ctx, len * 6 + 1);
adamc@136 1702
adamc@666 1703 result = p = ctx->heap.front;
adamc@136 1704
adamc@136 1705 for (; *s; s++) {
adamc@1054 1706 unsigned char c = *s;
adamc@136 1707
adamc@136 1708 if (c == '"') {
adamc@136 1709 strcpy(p, "&quot;");
adamc@136 1710 p += 6;
adamc@136 1711 } else if (c == '&') {
adamc@136 1712 strcpy(p, "&amp;");
adamc@136 1713 p += 5;
adamc@136 1714 }
adamc@1059 1715 else
adamc@136 1716 *p++ = c;
adamc@136 1717 }
adamc@136 1718
adamc@137 1719 *p++ = 0;
adamc@666 1720 ctx->heap.front = p;
adamc@136 1721 return result;
adamc@106 1722 }
adamc@106 1723
adamc@1011 1724 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 1725 char *result, *p;
adamc@1011 1726 uw_check_heap(ctx, 7);
adamc@1011 1727
adamc@1011 1728 result = p = ctx->heap.front;
adamc@1011 1729
adamc@1011 1730 if (c == '"') {
adamc@1011 1731 strcpy(p, "&quot;");
adamc@1011 1732 p += 6;
adamc@1011 1733 } else if (c == '&') {
adamc@1011 1734 strcpy(p, "&amp;");
adamc@1011 1735 p += 5;
adamc@1011 1736 }
adamc@1059 1737 else
adamc@1011 1738 *p++ = c;
adamc@1011 1739
adamc@1011 1740 *p++ = 0;
adamc@1011 1741 ctx->heap.front = p;
adamc@1011 1742 return result;
adamc@1011 1743 }
adamc@1011 1744
adamc@721 1745 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721 1746 return s;
adamc@721 1747 }
adamc@721 1748
adamc@311 1749 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 1750 int len;
adamc@117 1751
adamc@666 1752 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1753 ctx->page.front += len;
adamc@106 1754 }
adamc@106 1755
adamc@428 1756 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1757 uw_check(ctx, INTS_MAX);
adamc@311 1758 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 1759
adamc@428 1760 return uw_unit_v;
adamc@106 1761 }
adamc@106 1762
adamc@428 1763 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 1764 int len;
adamc@117 1765
adamc@311 1766 uw_check(ctx, FLOATS_MAX);
adamc@666 1767 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1768 ctx->page.front += len;
adamc@428 1769
adamc@428 1770 return uw_unit_v;
adamc@117 1771 }
adamc@117 1772
adamc@428 1773 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1774 uw_check(ctx, strlen(s) * 6);
adamc@117 1775
adamc@106 1776 for (; *s; s++) {
adamc@1054 1777 unsigned char c = *s;
adamc@106 1778
adamc@106 1779 if (c == '"')
adamc@311 1780 uw_write_unsafe(ctx, "&quot;");
adamc@136 1781 else if (c == '&')
adamc@311 1782 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1783 else
adamc@311 1784 uw_writec_unsafe(ctx, c);
adamc@106 1785 }
adamc@428 1786
adamc@428 1787 return uw_unit_v;
adamc@106 1788 }
adamc@120 1789
adamc@1011 1790 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011 1791 uw_check(ctx, 6);
adamc@1011 1792
adamc@1011 1793 if (c == '"')
adamc@1011 1794 uw_write_unsafe(ctx, "&quot;");
adamc@1011 1795 else if (c == '&')
adamc@1011 1796 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1797 else
adamc@1011 1798 uw_writec_unsafe(ctx, c);
adamc@1011 1799
adamc@1011 1800 return uw_unit_v;
adamc@1011 1801 }
adamc@1011 1802
adamc@120 1803
adamc@311 1804 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 1805 int len;
adamc@137 1806 char *r;
adamc@137 1807
adamc@311 1808 uw_check_heap(ctx, INTS_MAX);
adamc@666 1809 r = ctx->heap.front;
adamc@276 1810 sprintf(r, "%lld%n", n, &len);
adamc@666 1811 ctx->heap.front += len+1;
adamc@137 1812 return r;
adamc@120 1813 }
adamc@120 1814
adamc@682 1815 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1816 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1817 return "";
adamc@682 1818 else {
adamc@682 1819 int len;
adamc@682 1820 char *r;
adamc@679 1821
adamc@682 1822 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1823 r = ctx->heap.front;
adamc@682 1824 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1825 ctx->heap.front += len+1;
adamc@682 1826 return r;
adamc@682 1827 }
adamc@679 1828 }
adamc@679 1829
adamc@311 1830 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 1831 int len;
adamc@137 1832 char *r;
adamc@137 1833
adamc@311 1834 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1835 r = ctx->heap.front;
adamc@137 1836 sprintf(r, "%g%n", n, &len);
adamc@666 1837 ctx->heap.front += len+1;
adamc@137 1838 return r;
adamc@120 1839 }
adamc@120 1840
adamc@311 1841 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1842 char *r, *p;
adamc@137 1843
adamc@925 1844 if (s[0] == '\0')
adamc@925 1845 return "_";
adamc@925 1846
adamc@925 1847 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925 1848
adamc@925 1849 r = p = ctx->heap.front;
adamc@925 1850 if (s[0] == '_')
adamc@925 1851 *p++ = '_';
adamc@925 1852
adamc@925 1853 for (; *s; s++) {
adamc@1087 1854 unsigned char c = *s;
adamc@137 1855
adamc@137 1856 if (c == ' ')
adamc@137 1857 *p++ = '+';
adamc@137 1858 else if (isalnum(c))
adamc@137 1859 *p++ = c;
adamc@137 1860 else {
adamc@1259 1861 sprintf(p, ".%02X", c);
adamc@137 1862 p += 3;
adamc@137 1863 }
adamc@137 1864 }
adamc@137 1865
adamc@137 1866 *p++ = 0;
adamc@666 1867 ctx->heap.front = p;
adamc@137 1868 return r;
adamc@120 1869 }
adamc@120 1870
adamc@311 1871 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1872 if (b == uw_Basis_False)
adamc@186 1873 return "0";
adamc@186 1874 else
adamc@186 1875 return "1";
adamc@186 1876 }
adamc@186 1877
adam@1620 1878 char *uw_Basis_urlifySource(uw_context ctx, uw_Basis_source src) {
adam@1620 1879 char *r;
adam@1620 1880 int len;
adam@1620 1881 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1620 1882 r = ctx->heap.front;
adam@1620 1883 sprintf(r, "%d/%llu%n", src.context, src.source, &len);
adam@1620 1884 ctx->heap.front += len+1;
adam@1620 1885 return r;
adam@1620 1886 }
adam@1620 1887
adamc@311 1888 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1889 int len;
adamc@120 1890
adamc@666 1891 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1892 ctx->page.front += len;
adamc@120 1893 }
adamc@120 1894
adamc@428 1895 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1896 uw_check(ctx, INTS_MAX);
adamc@311 1897 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1898
adamc@428 1899 return uw_unit_v;
adamc@120 1900 }
adamc@120 1901
adamc@682 1902 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1903 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1904 int len;
phurst@1981 1905
adamc@682 1906 uw_check(ctx, INTS_MAX + 1);
adamc@682 1907 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1908 ctx->page.front += len;
adamc@682 1909 }
phurst@1981 1910
adamc@679 1911 return uw_unit_v;
adamc@679 1912 }
adamc@679 1913
adamc@428 1914 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1915 int len;
adamc@120 1916
adamc@311 1917 uw_check(ctx, FLOATS_MAX);
adamc@666 1918 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1919 ctx->page.front += len;
adamc@428 1920
adamc@428 1921 return uw_unit_v;
adamc@120 1922 }
adamc@120 1923
adamc@488 1924 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@1376 1925 return uw_Basis_urlifyInt(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adamc@488 1926 }
adamc@488 1927
adam@1404 1928 uw_unit uw_Basis_urlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1404 1929 return uw_Basis_urlifyInt_w(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adam@1404 1930 }
adam@1404 1931
adamc@428 1932 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925 1933 if (s[0] == '\0') {
adamc@925 1934 uw_check(ctx, 1);
adamc@925 1935 uw_writec_unsafe(ctx, '_');
adamc@925 1936 return uw_unit_v;
adamc@925 1937 }
adamc@925 1938
adamc@925 1939 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925 1940
adamc@925 1941 if (s[0] == '_')
adamc@925 1942 uw_writec_unsafe(ctx, '_');
adamc@120 1943
adamc@120 1944 for (; *s; s++) {
adamc@1087 1945 unsigned char c = *s;
adamc@120 1946
adamc@120 1947 if (c == ' ')
adamc@311 1948 uw_writec_unsafe(ctx, '+');
adamc@120 1949 else if (isalnum(c))
adamc@311 1950 uw_writec_unsafe(ctx, c);
adamc@120 1951 else {
adamc@1259 1952 sprintf(ctx->page.front, ".%02X", c);
adamc@666 1953 ctx->page.front += 3;
adamc@120 1954 }
adamc@120 1955 }
adamc@428 1956
adamc@428 1957 return uw_unit_v;
adamc@120 1958 }
adamc@120 1959
adamc@428 1960 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1961 if (b == uw_Basis_False)
adamc@311 1962 uw_writec(ctx, '0');
adamc@186 1963 else
adamc@311 1964 uw_writec(ctx, '1');
adamc@428 1965
adamc@428 1966 return uw_unit_v;
adamc@186 1967 }
adamc@186 1968
adam@1620 1969 uw_unit uw_Basis_urlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1620 1970 int len;
phurst@1981 1971
adam@1620 1972 uw_check(ctx, 2 * INTS_MAX + 2);
adam@1620 1973 sprintf(ctx->page.front, "%d/%llu%n", src.context, src.source, &len);
adam@1620 1974 ctx->page.front += len;
phurst@1981 1975
adam@1620 1976 return uw_unit_v;
adam@1620 1977 }
adam@1620 1978
adamc@120 1979
adamc@311 1980 static char *uw_unurlify_advance(char *s) {
adamc@144 1981 char *new_s = strchr(s, '/');
adamc@120 1982
adamc@120 1983 if (new_s)
adamc@120 1984 *new_s++ = 0;
adamc@120 1985 else
adamc@144 1986 new_s = strchr(s, 0);
adamc@144 1987
adamc@144 1988 return new_s;
adamc@144 1989 }
adamc@144 1990
adamc@311 1991 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 1992 char *new_s = uw_unurlify_advance(*s);
adamc@311 1993 uw_Basis_int r;
adamc@120 1994
adamc@276 1995 r = atoll(*s);
adamc@120 1996 *s = new_s;
adamc@120 1997 return r;
adamc@120 1998 }
adamc@120 1999
adamc@311 2000 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 2001 char *new_s = uw_unurlify_advance(*s);
adamc@311 2002 uw_Basis_float r;
adamc@120 2003
adamc@120 2004 r = atof(*s);
adamc@120 2005 *s = new_s;
adamc@120 2006 return r;
adamc@120 2007 }
adamc@120 2008
adamc@488 2009 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adam@1365 2010 uw_Basis_int n = uw_Basis_unurlifyInt(ctx, s);
adam@1365 2011 uw_Basis_time r = {n / 1000000, n % 1000000};
adam@1365 2012 return r;
adamc@488 2013 }
adamc@488 2014
adamc@1023 2015 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char *r, char *s) {
adamc@927 2016 char *s1, *s2 = s;
adamc@144 2017 int n;
adamc@136 2018
adamc@1023 2019 if (!fromClient) {
adamc@1023 2020 if (*s2 == '_')
adamc@1023 2021 ++s2;
adamc@1259 2022 else if ((s2[0] == '%' || s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@1023 2023 s2 += 3;
adamc@1023 2024 }
adamc@925 2025
adamc@927 2026 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087 2027 unsigned char c = *s2;
adamc@136 2028
adamc@136 2029 switch (c) {
adamc@136 2030 case '+':
adamc@136 2031 *s1 = ' ';
adamc@136 2032 break;
adamc@136 2033 case '%':
adamc@169 2034 if (s2[1] == 0)
adamc@311 2035 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 2036 if (s2[2] == 0)
adamc@311 2037 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 2038 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 2039 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@136 2040 *s1 = n;
adamc@136 2041 s2 += 2;
adamc@136 2042 break;
adamc@1259 2043 case '.':
adamc@1259 2044 if (!fromClient) {
adamc@1259 2045 if (s2[1] == 0)
adamc@1259 2046 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259 2047 if (s2[2] == 0)
adamc@1259 2048 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259 2049 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 2050 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@1259 2051 *s1 = n;
adamc@1259 2052 s2 += 2;
adamc@1259 2053 break;
adamc@1259 2054 }
adamc@136 2055 default:
adamc@136 2056 *s1 = c;
adamc@136 2057 }
adamc@136 2058 }
adamc@136 2059 *s1++ = 0;
adamc@144 2060 return s1;
adamc@144 2061 }
adamc@144 2062
adamc@311 2063 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 2064 char *new_s = uw_unurlify_advance(*s);
adamc@311 2065 uw_Basis_bool r;
phurst@1981 2066
adamc@186 2067 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 2068 r = uw_Basis_False;
adamc@186 2069 else
adamc@311 2070 r = uw_Basis_True;
adamc@186 2071
adamc@186 2072 *s = new_s;
adamc@186 2073 return r;
adamc@186 2074 }
adamc@186 2075
adamc@311 2076 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 2077 char *new_s = uw_unurlify_advance(*s);
adamc@1134 2078 char *r;
adamc@1134 2079 int len;
adamc@144 2080
adamc@200 2081 len = strlen(*s);
adamc@311 2082 uw_check_heap(ctx, len + 1);
adamc@144 2083
adamc@666 2084 r = ctx->heap.front;
adamc@1023 2085 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023 2086 *s = new_s;
adamc@1023 2087 return r;
adamc@1023 2088 }
adamc@1023 2089
adamc@1109 2090 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109 2091 *s = uw_unurlify_advance(*s);
adamc@1109 2092 return uw_unit_v;
adamc@1109 2093 }
adamc@1109 2094
adamc@1023 2095 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023 2096 char *new_s = uw_unurlify_advance(*s);
adamc@1134 2097 char *r;
adamc@1134 2098 int len;
adamc@1023 2099
adamc@1023 2100 len = strlen(*s);
adamc@1023 2101 uw_check_heap(ctx, len + 1);
adamc@1023 2102
adamc@1023 2103 r = ctx->heap.front;
adamc@1023 2104 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136 2105 *s = new_s;
adamc@136 2106 return r;
adamc@120 2107 }
adamc@135 2108
adamc@135 2109
adamc@311 2110 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 2111 int len;
adamc@286 2112 char *r;
adamc@286 2113
adamc@311 2114 uw_check_heap(ctx, INTS_MAX);
adamc@666 2115 r = ctx->heap.front;
adamc@286 2116 sprintf(r, "%lld%n", n, &len);
adamc@666 2117 ctx->heap.front += len+1;
adamc@286 2118 return r;
adamc@286 2119 }
adamc@286 2120
adamc@428 2121 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 2122 int len;
adamc@286 2123
adamc@311 2124 uw_check(ctx, INTS_MAX);
adamc@666 2125 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 2126 ctx->page.front += len;
phurst@1981 2127
adamc@428 2128 return uw_unit_v;
adamc@286 2129 }
adamc@286 2130
adam@1358 2131 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358 2132 unsigned int n = ch;
adam@1358 2133 int len;
adam@1358 2134 char *r;
adam@1358 2135
adam@1358 2136 uw_check_heap(ctx, INTS_MAX+3);
adam@1358 2137 r = ctx->heap.front;
adam@1358 2138 sprintf(r, "&#%u;%n", n, &len);
adam@1358 2139 ctx->heap.front += len+1;
adam@1358 2140 return r;
adam@1358 2141 }
adam@1358 2142
adam@1358 2143 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358 2144 unsigned int n = ch;
adam@1358 2145 int len;
adam@1358 2146
adam@1358 2147 uw_check(ctx, INTS_MAX+3);
adam@1358 2148 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358 2149 ctx->page.front += len;
adam@1358 2150 return uw_unit_v;
adam@1358 2151 }
adam@1358 2152
adamc@311 2153 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 2154 int len;
adamc@286 2155 char *r;
adamc@286 2156
adamc@311 2157 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2158 r = ctx->heap.front;
adamc@286 2159 sprintf(r, "%g%n", n, &len);
adamc@666 2160 ctx->heap.front += len+1;
adamc@286 2161 return r;
adamc@286 2162 }
adamc@286 2163
adamc@428 2164 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 2165 int len;
adamc@286 2166
adamc@311 2167 uw_check(ctx, FLOATS_MAX);
adamc@666 2168 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 2169 ctx->page.front += len;
adamc@428 2170
adamc@428 2171 return uw_unit_v;
adamc@286 2172 }
adamc@286 2173
adam@1365 2174 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time t) {
adam@1360 2175 int len;
adam@1360 2176 char *r;
adam@1360 2177
adam@1360 2178 uw_check_heap(ctx, INTS_MAX);
adam@1360 2179 r = ctx->heap.front;
adamc@1377 2180 sprintf(r, "%lld%n", (uw_Basis_int)t.seconds * 1000000 + t.microseconds, &len);
adam@1360 2181 ctx->heap.front += len+1;
adam@1360 2182 return r;
adam@1360 2183 }
adam@1360 2184
adam@1365 2185 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_int n) {
adam@1360 2186 int len;
adam@1360 2187
adam@1360 2188 uw_check(ctx, INTS_MAX);
adam@1360 2189 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360 2190 ctx->page.front += len;
phurst@1981 2191
adam@1360 2192 return uw_unit_v;
adam@1360 2193 }
adam@1360 2194
adam@1444 2195 char *uw_Basis_htmlifyString(uw_context ctx, const char *s) {
adamc@137 2196 char *r, *s2;
adamc@137 2197
adamc@311 2198 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 2199
adamc@666 2200 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054 2201 unsigned char c = *s;
adamc@137 2202
adamc@137 2203 switch (c) {
adamc@137 2204 case '<':
adamc@137 2205 strcpy(s2, "&lt;");
adamc@137 2206 s2 += 4;
adamc@137 2207 break;
adamc@137 2208 case '&':
adamc@137 2209 strcpy(s2, "&amp;");
adamc@137 2210 s2 += 5;
adamc@137 2211 break;
adamc@137 2212 default:
adamc@1059 2213 *s2++ = c;
adamc@137 2214 }
adamc@137 2215 }
adamc@137 2216
adamc@137 2217 *s2++ = 0;
adamc@666 2218 ctx->heap.front = s2;
adamc@137 2219 return r;
adamc@135 2220 }
adamc@135 2221
adamc@428 2222 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 2223 uw_check(ctx, strlen(s) * 6);
adamc@135 2224
adamc@135 2225 for (; *s; s++) {
adamc@1054 2226 unsigned char c = *s;
adamc@135 2227
adamc@135 2228 switch (c) {
adamc@135 2229 case '<':
adamc@311 2230 uw_write_unsafe(ctx, "&lt;");
adamc@135 2231 break;
adamc@135 2232 case '&':
adamc@311 2233 uw_write_unsafe(ctx, "&amp;");
adamc@135 2234 break;
adamc@135 2235 default:
adamc@1059 2236 uw_writec_unsafe(ctx, c);
adamc@135 2237 }
adamc@135 2238 }
adamc@428 2239
adamc@428 2240 return uw_unit_v;
adamc@135 2241 }
adamc@180 2242
adamc@311 2243 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2244 if (b == uw_Basis_False)
adamc@286 2245 return "False";
adamc@286 2246 else
adamc@286 2247 return "True";
adamc@286 2248 }
adamc@286 2249
adamc@428 2250 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 2251 if (b == uw_Basis_False) {
adamc@311 2252 uw_check(ctx, 6);
adamc@666 2253 strcpy(ctx->page.front, "False");
adamc@666 2254 ctx->page.front += 5;
adamc@286 2255 } else {
adamc@311 2256 uw_check(ctx, 5);
adamc@666 2257 strcpy(ctx->page.front, "True");
adamc@666 2258 ctx->page.front += 4;
adamc@286 2259 }
adamc@428 2260
adamc@428 2261 return uw_unit_v;
adamc@286 2262 }
adamc@286 2263
adamc@436 2264 #define TIME_FMT "%x %X"
adamc@438 2265 #define TIME_FMT_PG "%Y-%m-%d %T"
adam@1632 2266 #define TIME_FMT_JS "%Y/%m/%d %T"
adamc@436 2267
adam@1629 2268 uw_Basis_string uw_Basis_timeToString(uw_context, uw_Basis_time);
adam@1629 2269
adamc@436 2270 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adam@1629 2271 return uw_Basis_htmlifyString(ctx, uw_Basis_timeToString(ctx, t));
adamc@436 2272 }
adamc@436 2273
adamc@436 2274 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1629 2275 return uw_Basis_htmlifyString_w(ctx, uw_Basis_timeToString(ctx, t));
adamc@436 2276 }
adamc@436 2277
adam@1446 2278 char *uw_Basis_htmlifySource(uw_context ctx, uw_Basis_source src) {
adam@1446 2279 int len;
adam@1446 2280 char *r;
adam@1446 2281
adam@1446 2282 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1446 2283 r = ctx->heap.front;
adam@1446 2284 sprintf(r, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2285 ctx->heap.front += len+1;
adam@1446 2286 return r;
adam@1446 2287 }
adam@1446 2288
adam@1446 2289 uw_unit uw_Basis_htmlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1446 2290 int len;
adam@1446 2291
adam@1446 2292 uw_check(ctx, 2 * INTS_MAX + 1);
adam@1446 2293 sprintf(ctx->page.front, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2294 ctx->page.front += len;
phurst@1981 2295
adam@1446 2296 return uw_unit_v;
adam@1446 2297 }
adam@1446 2298
adamc@821 2299 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2300 while (n >= 0) {
adam@1388 2301 if (*s == 0)
adam@1388 2302 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adam@1388 2303
adam@1388 2304 if (n == 0)
adam@1388 2305 return *s;
adam@1388 2306
adam@1388 2307 --n;
adam@1388 2308 ++s;
adam@1388 2309 }
adam@1388 2310
adam@1388 2311 uw_error(ctx, FATAL, "Negative strsub bound");
adamc@821 2312 }
adamc@821 2313
adamc@821 2314 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2315 while (n >= 0) {
adam@1388 2316 if (*s == 0 || n == 0)
adam@1388 2317 return s;
adam@1388 2318
adam@1388 2319 --n;
adam@1388 2320 ++s;
adam@1388 2321 }
adam@1388 2322
adam@1388 2323 uw_error(ctx, FATAL, "Negative strsuffix bound");
adamc@821 2324 }
adamc@821 2325
adamc@828 2326 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 2327 return strlen(s);
adamc@828 2328 }
adamc@828 2329
adam@1388 2330 uw_Basis_bool uw_Basis_strlenGe(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2331 while (n > 0) {
adam@1388 2332 if (*s == 0)
adam@1388 2333 return uw_Basis_False;
adam@1388 2334
adam@1388 2335 --n;
adam@1388 2336 ++s;
adam@1388 2337 }
adam@1388 2338
adam@1388 2339 return uw_Basis_True;
adam@1388 2340 }
adam@1388 2341
adamc@829 2342 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2343 return strchr(s, ch);
adamc@829 2344 }
adamc@829 2345
adamc@831 2346 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 2347 return strcspn(s, chs);
adamc@831 2348 }
adamc@831 2349
adamc@829 2350 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2351 uw_Basis_string r = strchr(s, ch);
adamc@829 2352 if (r == NULL)
adamc@829 2353 return NULL;
adamc@829 2354 else {
adamc@829 2355 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 2356 *nr = r - s;
adamc@829 2357 return nr;
adamc@829 2358 }
adamc@829 2359 }
adamc@829 2360
adam@1390 2361 uw_Basis_int *uw_Basis_strsindex(uw_context ctx, const char *haystack, const char *needle) {
adam@1390 2362 uw_Basis_string r = strstr(haystack, needle);
adam@1390 2363 if (r == NULL)
adam@1390 2364 return NULL;
adam@1390 2365 else {
adam@1390 2366 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adam@1390 2367 *nr = r - haystack;
adam@1390 2368 return nr;
adam@1390 2369 }
adam@1390 2370 }
adam@1390 2371
adamc@311 2372 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 2373 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 2374 char *s;
adamc@180 2375
adamc@311 2376 uw_check_heap(ctx, len);
adamc@180 2377
adamc@666 2378 s = ctx->heap.front;
adamc@180 2379
adamc@180 2380 strcpy(s, s1);
adamc@180 2381 strcat(s, s2);
adamc@666 2382 ctx->heap.front += len;
adamc@180 2383
adamc@180 2384 return s;
adamc@180 2385 }
adamc@278 2386
adamc@829 2387 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 2388 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 2389
adamc@829 2390 if (start < 0)
adamc@829 2391 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 2392 if (len < 0)
adamc@829 2393 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 2394 if (start + len > full_len)
adamc@829 2395 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 2396
adamc@829 2397 if (start + len == full_len)
adamc@829 2398 return &s[start];
adamc@829 2399 else {
adamc@829 2400 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 2401 memcpy(r, s+start, len);
adamc@829 2402 r[len] = 0;
adamc@829 2403 return r;
adamc@829 2404 }
phurst@1981 2405
adamc@829 2406 }
adamc@829 2407
adamc@1023 2408 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023 2409 char *r;
adamc@1023 2410
adamc@1023 2411 uw_check_heap(ctx, 2);
adamc@1023 2412 r = ctx->heap.front;
adamc@1023 2413 r[0] = ch;
adamc@1023 2414 r[1] = 0;
adamc@1023 2415
adamc@1023 2416 ctx->heap.front += 2;
adamc@1023 2417
adamc@1023 2418 return r;
adamc@1023 2419 }
adamc@1023 2420
adamc@737 2421 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 2422 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 2423 char *s;
adamc@278 2424
adamc@311 2425 uw_check_heap(ctx, len);
adamc@278 2426
adamc@666 2427 s = ctx->heap.front;
adamc@278 2428
adamc@278 2429 strcpy(s, s1);
adamc@666 2430 ctx->heap.front += len;
adamc@278 2431
adamc@278 2432 return s;
adamc@278 2433 }
adamc@280 2434
adam@1295 2435 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295 2436 if (ctx->error_message[0]) {
adam@1295 2437 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295 2438 ctx->error_message[0] = 0;
adam@1295 2439 return s;
adam@1295 2440 } else
adam@1295 2441 return NULL;
adam@1295 2442 }
adam@1295 2443
adamc@737 2444 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 2445 if (s1)
adamc@737 2446 return uw_strdup(ctx, s1);
adamc@493 2447 else
adamc@493 2448 return NULL;
adamc@493 2449 }
adamc@493 2450
adamc@742 2451 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 2452 char *r = uw_malloc(ctx, len);
adamc@742 2453 memcpy(r, p, len);
adamc@742 2454 return r;
adamc@742 2455 }
adamc@280 2456
adamc@879 2457 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 2458
adamc@311 2459 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 2460 int len;
adamc@281 2461 char *r;
adamc@281 2462
adamc@311 2463 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 2464 r = ctx->heap.front;
adamc@879 2465 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 2466 ctx->heap.front += len+1;
adamc@281 2467 return r;
adamc@281 2468 }
adamc@281 2469
adamc@467 2470 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 2471 if (n == NULL)
adamc@467 2472 return "NULL";
adamc@467 2473 else
adamc@467 2474 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 2475 }
adamc@467 2476
adam@1920 2477 char *uw_sqlfmtFloat = "%.16g::float8%n";
adamc@879 2478
adamc@311 2479 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 2480 int len;
adamc@281 2481 char *r;
adamc@281 2482
adamc@311 2483 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 2484 r = ctx->heap.front;
adamc@879 2485 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 2486 ctx->heap.front += len+1;
adamc@281 2487 return r;
adamc@281 2488 }
adamc@281 2489
adamc@467 2490 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 2491 if (n == NULL)
adamc@467 2492 return "NULL";
adamc@467 2493 else
adamc@467 2494 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 2495 }
adamc@467 2496
adam@1834 2497 int uw_Estrings = 1, uw_sql_type_annotations = 1;
adamc@879 2498 char *uw_sqlsuffixString = "::text";
adamc@1011 2499 char *uw_sqlsuffixChar = "::char";
adamc@281 2500
adamc@311 2501 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 2502 char *r, *s2;
adamc@280 2503
adamc@879 2504 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 2505
adamc@666 2506 r = s2 = ctx->heap.front;
adamc@879 2507 if (uw_Estrings)
adamc@879 2508 *s2++ = 'E';
adamc@280 2509 *s2++ = '\'';
adamc@280 2510
adamc@280 2511 for (; *s; s++) {
adamc@280 2512 char c = *s;
adamc@280 2513
adamc@280 2514 switch (c) {
adamc@280 2515 case '\'':
adamc@885 2516 if (uw_Estrings)
adamc@885 2517 strcpy(s2, "\\'");
adamc@885 2518 else
adamc@885 2519 strcpy(s2, "''");
adamc@280 2520 s2 += 2;
adamc@280 2521 break;
adamc@280 2522 case '\\':
adamc@885 2523 if (uw_Estrings) {
adamc@885 2524 strcpy(s2, "\\\\");
adamc@885 2525 s2 += 2;
adamc@885 2526 } else
adamc@885 2527 *s2++ = '\\';
adamc@280 2528 break;
adamc@280 2529 default:
adamc@1150 2530 if (isprint((int)c))
adamc@280 2531 *s2++ = c;
adamc@879 2532 else if (uw_Estrings) {
adam@1857 2533 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@280 2534 s2 += 4;
adamc@280 2535 }
adamc@879 2536 else
adam@1689 2537 *s2++ = c; // I hope this is safe to do... don't know how to support UTF-8 outside Postgres otherwise!
adamc@280 2538 }
adamc@280 2539 }
adamc@280 2540
adamc@879 2541 *s2++ = '\'';
adamc@879 2542 strcpy(s2, uw_sqlsuffixString);
adamc@879 2543 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2544 return r;
adamc@280 2545 }
adamc@281 2546
adamc@1011 2547 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 2548 char *r, *s2;
adamc@1011 2549
adamc@1011 2550 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011 2551
adamc@1011 2552 r = s2 = ctx->heap.front;
adamc@1011 2553 if (uw_Estrings)
adamc@1011 2554 *s2++ = 'E';
adamc@1011 2555 *s2++ = '\'';
adamc@1011 2556
adamc@1011 2557 switch (c) {
adamc@1011 2558 case '\'':
adamc@1011 2559 if (uw_Estrings)
adamc@1011 2560 strcpy(s2, "\\'");
adamc@1011 2561 else
adamc@1011 2562 strcpy(s2, "''");
adamc@1011 2563 s2 += 2;
adamc@1011 2564 break;
adamc@1011 2565 case '\\':
adamc@1011 2566 if (uw_Estrings) {
adamc@1011 2567 strcpy(s2, "\\\\");
adamc@1011 2568 s2 += 2;
adamc@1011 2569 } else
adamc@1011 2570 *s2++ = '\\';
adamc@1011 2571 break;
adamc@1011 2572 default:
adamc@1150 2573 if (isprint((int)c))
adamc@1011 2574 *s2++ = c;
adamc@1011 2575 else if (uw_Estrings) {
adam@1857 2576 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1011 2577 s2 += 4;
adamc@1011 2578 }
adamc@1011 2579 else
adamc@1011 2580 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011 2581 }
adamc@1011 2582
adamc@1011 2583 *s2++ = '\'';
adamc@1011 2584 strcpy(s2, uw_sqlsuffixChar);
adamc@1011 2585 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011 2586 return r;
adamc@1011 2587 }
adamc@1011 2588
adamc@879 2589 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2590
adam@1867 2591 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2592 char *r, *s2;
adamc@737 2593 size_t i;
adamc@737 2594
adam@1867 2595 uw_check_heap(ctx, b.size * 5 + 4 + strlen(uw_sqlsuffixBlob));
adamc@737 2596
adamc@737 2597 r = s2 = ctx->heap.front;
adamc@879 2598 if (uw_Estrings)
adamc@879 2599 *s2++ = 'E';
adam@1867 2600 else
adam@1867 2601 *s2++ = 'X';
adamc@737 2602 *s2++ = '\'';
adamc@737 2603
adamc@737 2604 for (i = 0; i < b.size; ++i) {
adam@1867 2605 unsigned char c = b.data[i];
adam@1867 2606
adam@1867 2607 if (uw_Estrings) {
adam@1867 2608 switch (c) {
adam@1867 2609 case '\'':
adamc@885 2610 strcpy(s2, "\\'");
adam@1867 2611 s2 += 2;
adam@1867 2612 break;
adam@1867 2613 case '\\':
adamc@885 2614 strcpy(s2, "\\\\\\\\");
adamc@885 2615 s2 += 4;
adam@1867 2616 break;
adam@1867 2617 default:
adam@1867 2618 if (isprint((int)c))
adam@1867 2619 *s2++ = c;
adam@1867 2620 else {
adam@1867 2621 sprintf(s2, "\\\\%03o", c);
adam@1867 2622 s2 += 5;
adam@1867 2623 }
adamc@737 2624 }
adam@1867 2625 } else {
adam@1867 2626 sprintf(s2, "%02X", c);
adam@1867 2627 s2 += 2;
adamc@737 2628 }
phurst@1981 2629 }
adamc@737 2630
adamc@879 2631 *s2++ = '\'';
adamc@879 2632 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2633 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2634 return r;
adamc@737 2635 }
adamc@737 2636
adamc@682 2637 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2638 int len;
adamc@682 2639 char *r;
adamc@682 2640 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2641
adamc@682 2642 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2643 r = ctx->heap.front;
adamc@879 2644 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2645 ctx->heap.front += len+1;
adamc@682 2646 return r;
adamc@682 2647 }
adamc@682 2648
adamc@682 2649 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2650 int len;
adamc@682 2651 char *r;
adamc@682 2652 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2653
adamc@682 2654 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2655 r = ctx->heap.front;
adamc@682 2656 sprintf(r, "%lld%n", combo, &len);
adamc@682 2657 ctx->heap.front += len+1;
adamc@682 2658 return r;
adamc@682 2659 }
adamc@682 2660
adamc@879 2661 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2662
adamc@682 2663 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2664 int len;
adamc@682 2665 char *r;
adamc@682 2666
adamc@682 2667 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2668 r = ctx->heap.front;
adamc@879 2669 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2670 ctx->heap.front += len+1;
adamc@682 2671 return r;
adamc@682 2672 }
adamc@682 2673
adamc@682 2674 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2675 int len;
adamc@682 2676 char *r;
adamc@682 2677
adamc@682 2678 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2679 r = ctx->heap.front;
adamc@682 2680 sprintf(r, "%u%n", cli, &len);
adamc@682 2681 ctx->heap.front += len+1;
adamc@682 2682 return r;
adamc@682 2683 }
adamc@682 2684
adamc@467 2685 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2686 if (s == NULL)
adamc@467 2687 return "NULL";
adamc@467 2688 else
adamc@467 2689 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2690 }
adamc@467 2691
adamc@311 2692 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2693 if (b == uw_Basis_False)
adamc@281 2694 return "FALSE";
adamc@281 2695 else
adamc@281 2696 return "TRUE";
adamc@281 2697 }
adamc@282 2698
adamc@467 2699 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2700 if (b == NULL)
adamc@467 2701 return "NULL";
adamc@467 2702 else
adamc@467 2703 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2704 }
adamc@467 2705
adamc@439 2706 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2707 size_t len;
adamc@682 2708 char *r, *s;
adam@1392 2709 struct tm stm = {};
adam@1392 2710 stm.tm_isdst = -1;
adamc@682 2711
adam@1365 2712 if (localtime_r(&t.seconds, &stm)) {
adamc@682 2713 s = uw_malloc(ctx, TIMES_MAX);
adam@1364 2714 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1834 2715 if (uw_sql_type_annotations) {
adam@1834 2716 if (t.microseconds) {
adam@1834 2717 r = uw_malloc(ctx, len + 21);
adam@1834 2718 sprintf(r, "'%s.%06u'::timestamp", s, t.microseconds);
adam@1834 2719 } else {
adam@1834 2720 r = uw_malloc(ctx, len + 14);
adam@1834 2721 sprintf(r, "'%s'::timestamp", s);
adam@1834 2722 }
adam@1367 2723 } else {
adam@1834 2724 r = uw_malloc(ctx, len + 3);
adam@1834 2725 sprintf(r, "'%s'", s);
adam@1367 2726 }
adamc@682 2727 return r;
adamc@682 2728 } else
adamc@682 2729 return "<Invalid time>";
adamc@682 2730 }
adamc@682 2731
adamc@682 2732 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2733 size_t len;
adamc@439 2734 char *r;
adam@1392 2735 struct tm stm = {};
adam@1392 2736 stm.tm_isdst = -1;
adamc@439 2737
adam@1365 2738 if (localtime_r(&t.seconds, &stm)) {
adamc@439 2739 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2740 r = ctx->heap.front;
adamc@439 2741 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2742 ctx->heap.front += len+1;
adamc@439 2743 return r;
adamc@439 2744 } else
adamc@439 2745 return "<Invalid time>";
adamc@439 2746 }
adamc@439 2747
adam@1364 2748 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364 2749 size_t len;
adam@1364 2750 char *r;
adam@1392 2751 struct tm stm = {};
adam@1392 2752 stm.tm_isdst = -1;
adam@1364 2753
adam@1365 2754 if (localtime_r(&t.seconds, &stm)) {
adam@1364 2755 uw_check_heap(ctx, TIMES_MAX);
adam@1364 2756 r = ctx->heap.front;
adam@1365 2757 len = strftime(r, TIMES_MAX-7, TIME_FMT_PG, &stm);
adam@1365 2758 ctx->heap.front += len;
adam@1365 2759 sprintf(ctx->heap.front, ".%06u", t.microseconds);
adam@1365 2760 ctx->heap.front += 8;
adam@1364 2761 return r;
adam@1364 2762 } else
adam@1364 2763 return "<Invalid time>";
adam@1364 2764 }
adam@1364 2765
adamc@467 2766 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2767 if (t == NULL)
adamc@467 2768 return "NULL";
adamc@467 2769 else
adamc@467 2770 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2771 }
adamc@467 2772
adamc@311 2773 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2774 static uw_Basis_int true = 1;
adamc@311 2775 static uw_Basis_int false = 0;
adamc@282 2776
adamc@311 2777 if (b == uw_Basis_False)
adamc@282 2778 return (char *)&false;
adamc@282 2779 else
adamc@282 2780 return (char *)&true;
adamc@282 2781 }
adamc@284 2782
adamc@311 2783 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2784 int len;
adamc@284 2785 char *r;
adamc@284 2786
adamc@311 2787 uw_check_heap(ctx, INTS_MAX);
adamc@666 2788 r = ctx->heap.front;
adamc@284 2789 sprintf(r, "%lld%n", n, &len);
adamc@666 2790 ctx->heap.front += len+1;
adamc@284 2791 return r;
adamc@284 2792 }
adamc@285 2793
adamc@311 2794 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2795 int len;
adamc@285 2796 char *r;
adamc@285 2797
adamc@311 2798 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2799 r = ctx->heap.front;
adamc@285 2800 sprintf(r, "%g%n", n, &len);
adamc@666 2801 ctx->heap.front += len+1;
adamc@285 2802 return r;
adamc@285 2803 }
adamc@285 2804
adamc@821 2805 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2806 char *r = uw_malloc(ctx, 2);
adamc@821 2807 r[0] = ch;
adamc@821 2808 r[1] = 0;
adamc@821 2809 return r;
adamc@821 2810 }
adamc@821 2811
adamc@311 2812 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2813 if (b == uw_Basis_False)
adamc@285 2814 return "False";
adamc@285 2815 else
adamc@285 2816 return "True";
adamc@285 2817 }
adamc@288 2818
adam@1359 2819 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352 2820 size_t len;
adam@1352 2821 char *r;
adam@1392 2822 struct tm stm = {};
adam@1392 2823 stm.tm_isdst = -1;
adam@1352 2824
adam@1365 2825 if (localtime_r(&t.seconds, &stm)) {
adam@1352 2826 uw_check_heap(ctx, TIMES_MAX);
adam@1352 2827 r = ctx->heap.front;
adam@1352 2828 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352 2829 ctx->heap.front += len+1;
adam@1352 2830 return r;
adam@1352 2831 } else
adam@1352 2832 return "<Invalid time>";
adam@1352 2833 }
adam@1352 2834
adam@1629 2835 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adam@1629 2836 return uw_Basis_timef(ctx, ctx->app->time_format, t);
adam@1629 2837 }
adam@1629 2838
adamc@311 2839 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2840 char *endptr;
adamc@311 2841 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2842
adamc@288 2843 if (*s != '\0' && *endptr == '\0') {
adamc@311 2844 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2845 *r = n;
adamc@288 2846 return r;
adamc@288 2847 } else
adamc@288 2848 return NULL;
adamc@288 2849 }
adamc@289 2850
adamc@311 2851 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2852 char *endptr;
adamc@311 2853 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2854
adamc@289 2855 if (*s != '\0' && *endptr == '\0') {
adamc@311 2856 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2857 *r = n;
adamc@289 2858 return r;
adamc@289 2859 } else
adamc@289 2860 return NULL;
adamc@289 2861 }
adamc@289 2862
adamc@821 2863 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2864 if (s[0] == 0) {
adamc@821 2865 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2866 r[0] = 0;
adamc@821 2867 return r;
adamc@821 2868 } else if (s[1] != 0)
adamc@821 2869 return NULL;
adamc@821 2870 else {
adamc@821 2871 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2872 r[0] = s[0];
adamc@821 2873 return r;
adamc@821 2874 }
adamc@821 2875 }
adamc@821 2876
adamc@311 2877 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2878 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2879 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2880
adamc@289 2881 if (!strcasecmp (s, "True"))
adamc@289 2882 return &true;
adamc@289 2883 else if (!strcasecmp (s, "False"))
adamc@289 2884 return &false;
adamc@289 2885 else
adamc@289 2886 return NULL;
adamc@289 2887 }
adamc@292 2888
adamc@436 2889 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2890 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1374 2891 struct tm stm = {};
adam@1392 2892 stm.tm_isdst = -1;
adamc@436 2893
adamc@439 2894 if (dot) {
adamc@439 2895 *dot = 0;
adamc@439 2896 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2897 *dot = '.';
adamc@439 2898 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2899 r->seconds = mktime(&stm);
adam@1365 2900 r->microseconds = 0;
adamc@439 2901 return r;
adamc@439 2902 }
adamc@439 2903 else {
adamc@439 2904 *dot = '.';
adamc@439 2905 return NULL;
adamc@439 2906 }
adamc@436 2907 }
adamc@439 2908 else {
adam@2072 2909 if (strptime(s, ctx->app->time_format, &stm) == end) {
adamc@439 2910 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2911 r->seconds = mktime(&stm);
adam@1365 2912 r->microseconds = 0;
adamc@439 2913 return r;
adam@2072 2914 } else if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@2072 2915 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@2072 2916 r->seconds = mktime(&stm);
adam@2072 2917 r->microseconds = 0;
adam@2072 2918 return r;
adam@2072 2919 } else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2920 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2921 r->seconds = mktime(&stm);
adam@1365 2922 r->microseconds = 0;
adamc@439 2923 return r;
adam@1632 2924 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632 2925 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1632 2926 r->seconds = mktime(&stm);
adam@1632 2927 r->microseconds = 0;
adam@1632 2928 return r;
adamc@439 2929 }
adamc@439 2930 else
adamc@439 2931 return NULL;
adamc@439 2932 }
adamc@436 2933 }
adamc@436 2934
adam@1352 2935 uw_Basis_time *uw_Basis_stringToTimef(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2936 char *end = strchr(s, 0);
adam@1374 2937 struct tm stm = {};
adam@1392 2938 stm.tm_isdst = -1;
adam@1352 2939
adam@1352 2940 if (strptime(s, fmt, &stm) == end) {
adam@1352 2941 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2942 r->seconds = mktime(&stm);
adam@1365 2943 r->microseconds = 0;
adam@1352 2944 return r;
adam@1352 2945 }
adam@1352 2946 else
adam@1352 2947 return NULL;
adam@1352 2948 }
adam@1352 2949
adamc@311 2950 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 2951 char *endptr;
adamc@311 2952 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 2953
adamc@292 2954 if (*s != '\0' && *endptr == '\0')
adamc@292 2955 return n;
adamc@292 2956 else
adam@1444 2957 uw_error(ctx, FATAL, "Can't parse int: %s", uw_Basis_htmlifyString(ctx, s));
adamc@292 2958 }
adamc@293 2959
adamc@682 2960 #include <errno.h>
adamc@682 2961
adamc@678 2962 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 2963 unsigned long long n;
adamc@682 2964
adamc@682 2965 if (sscanf(s, "%llu", &n) < 1)
adam@1444 2966 uw_error(ctx, FATAL, "Can't parse channel: %s", uw_Basis_htmlifyString(ctx, s));
adamc@682 2967 else {
adamc@682 2968 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 2969 return ch;
adamc@682 2970 }
adamc@682 2971 }
adamc@682 2972
adamc@682 2973 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 2974 char *endptr;
adamc@682 2975 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 2976
adamc@678 2977 if (*s != '\0' && *endptr == '\0')
adamc@678 2978 return n;
adamc@678 2979 else
adam@1444 2980 uw_error(ctx, FATAL, "Can't parse client: %s", uw_Basis_htmlifyString(ctx, s));
adamc@678 2981 }
adamc@678 2982
adamc@311 2983 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 2984 char *endptr;
adamc@311 2985 uw_Basis_float n = strtod(s, &endptr);
adamc@293 2986
adamc@293 2987 if (*s != '\0' && *endptr == '\0')
adamc@293 2988 return n;
adamc@293 2989 else
adam@1444 2990 uw_error(ctx, FATAL, "Can't parse float: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 2991 }
adamc@293 2992
adamc@821 2993 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 2994 if (s[0] == 0)
adamc@821 2995 return 0;
adamc@821 2996 else if (s[1] != 0)
adam@1444 2997 uw_error(ctx, FATAL, "Can't parse char: %s", uw_Basis_htmlifyString(ctx, s));
adamc@821 2998 else
adamc@821 2999 return s[0];
adamc@821 3000 }
adamc@821 3001
adamc@311 3002 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 3003 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 3004 return uw_Basis_True;
adamc@296 3005 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 3006 return uw_Basis_False;
adamc@293 3007 else
adam@1444 3008 uw_error(ctx, FATAL, "Can't parse bool: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 3009 }
adamc@436 3010
adam@1352 3011 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352 3012 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1352 3013 struct tm stm = {};
adam@1392 3014 stm.tm_isdst = -1;
adam@1352 3015
adam@1352 3016 if (dot) {
adam@1352 3017 *dot = 0;
adam@1352 3018 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352 3019 *dot = '.';
adam@1410 3020 char usec[] = "000000";
adam@1410 3021 int len = strlen(dot+1);
adam@1410 3022 memcpy(usec, dot+1, len < 6 ? len : 6);
adam@1410 3023 uw_Basis_time r = { mktime(&stm), atoi(usec) };
adam@1365 3024 return r;
adam@1352 3025 }
adam@1352 3026 else {
adam@1352 3027 *dot = '.';
adam@1444 3028 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 3029 }
adam@1352 3030 }
adam@1352 3031 else {
adam@1352 3032 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 3033 uw_Basis_time r = { mktime(&stm) };
adam@1365 3034 return r;
adam@1352 3035 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 3036 uw_Basis_time r = { mktime(&stm) };
adam@1365 3037 return r;
adam@1352 3038 } else
adam@1444 3039 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 3040 }
adam@1352 3041 }
adam@1352 3042
adamc@436 3043 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 3044 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 3045 struct tm stm = {};
adam@1392 3046 stm.tm_isdst = -1;
adamc@436 3047
adamc@438 3048 if (dot) {
adamc@438 3049 *dot = 0;
adamc@438 3050 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 3051 *dot = '.';
adam@1365 3052 {
adam@1365 3053 uw_Basis_time r = { mktime(&stm) };
adam@1365 3054 return r;
adam@1365 3055 }
adamc@438 3056 }
adamc@438 3057 else {
adamc@438 3058 *dot = '.';
adam@1444 3059 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 3060 }
adamc@438 3061 }
adamc@438 3062 else {
adam@2072 3063 if (strptime(s, ctx->app->time_format, &stm) == end) {
adam@2072 3064 uw_Basis_time r = { mktime(&stm) };
adam@2072 3065 return r;
adam@2072 3066 } else if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 3067 uw_Basis_time r = { mktime(&stm) };
adam@1365 3068 return r;
adam@1365 3069 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 3070 uw_Basis_time r = { mktime(&stm) };
adam@1365 3071 return r;
adam@1632 3072 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632 3073 uw_Basis_time r = { mktime(&stm) };
adam@1632 3074 return r;
adam@1365 3075 } else
adam@1444 3076 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 3077 }
adamc@436 3078 }
adamc@457 3079
adam@1352 3080 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 3081 char *end = strchr(s, 0);
adamc@939 3082 struct tm stm = {};
adam@1392 3083 stm.tm_isdst = -1;
adamc@939 3084
adam@1365 3085 if (strptime(s, fmt, &stm) == end) {
adam@1365 3086 uw_Basis_time r = { mktime(&stm) };
adam@1365 3087 return r;
adam@1365 3088 } else
adam@1444 3089 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@939 3090 }
adamc@939 3091
adamc@742 3092 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 3093 char *r = ctx->heap.front;
adamc@742 3094 uw_Basis_blob b = {len, r};
adamc@742 3095
adamc@742 3096 uw_check_heap(ctx, len);
adamc@742 3097
adam@1992 3098 if (s[0] == '\\' && s[1] == 'x') {
adam@1992 3099 s += 2;
adam@1992 3100
adam@1992 3101 while (*s) {
adam@1992 3102 int n;
adam@1992 3103 sscanf(s, "%02x", &n);
adam@1992 3104 *r++ = n;
adam@1992 3105 s += 2;
adam@1992 3106 }
adam@1992 3107 } else {
adam@1992 3108 while (*s) {
adam@1992 3109 if (s[0] == '\\') {
adam@1992 3110 if (s[1] == '\\') {
adam@1992 3111 *r++ = '\\';
adam@1992 3112 s += 2;
adam@1992 3113 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adam@1992 3114 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adam@1992 3115 s += 4;
adam@1992 3116 }
adam@1992 3117 else {
adam@1992 3118 *r++ = '\\';
adam@1992 3119 ++s;
adam@1992 3120 }
adam@1992 3121 } else {
adam@1992 3122 *r++ = s[0];
adamc@742 3123 ++s;
adamc@742 3124 }
adamc@742 3125 }
adamc@742 3126 }
adamc@742 3127
adamc@742 3128 b.size = r - ctx->heap.front;
adamc@742 3129 ctx->heap.front = r;
adam@1992 3130
adamc@742 3131 return b;
adamc@742 3132 }
adamc@742 3133
adam@1402 3134 #define THE_PAST "expires=Sat, 01-Jan-2011 00:00:00 GMT"
adamc@1052 3135
adamc@463 3136 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 3137 int len = strlen(c);
adamc@854 3138 char *p = ctx->outHeaders.start;
adamc@474 3139
adamc@1134 3140 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474 3141 char *p2;
adamc@474 3142 p += 13;
adamc@474 3143 p2 = strchr(p, '=');
adamc@474 3144
adamc@474 3145 if (p2) {
adamc@474 3146 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 3147
adamc@474 3148 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052 3149 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052 3150 return NULL;
adamc@1052 3151 else {
adamc@1052 3152 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052 3153 memcpy(ret, p2+1, sz);
adamc@1052 3154 ret[sz] = 0;
adamc@1052 3155 return ret;
adamc@1052 3156 }
adamc@474 3157 }
adamc@474 3158 }
adamc@474 3159 }
adamc@463 3160
adamc@1134 3161 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051 3162 char *p2;
adamc@1051 3163
adamc@854 3164 while (1) {
adamc@1051 3165 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134 3166 if ((p2 = strchr(p, ';'))) {
adamc@1051 3167 size_t n = p2 - (p + len);
adamc@1051 3168 char *r = uw_malloc(ctx, n);
adamc@1051 3169 memcpy(r, p + 1 + len, n-1);
adamc@1051 3170 r[n-1] = 0;
adamc@1051 3171 return r;
adamc@1051 3172 } else
adamc@1051 3173 return p + 1 + len;
adamc@1134 3174 } else if ((p = strchr(p, ';')))
adamc@854 3175 p += 2;
adamc@463 3176 else
adamc@463 3177 return NULL;
adamc@463 3178 }
adamc@463 3179 }
adamc@792 3180
adamc@792 3181 return NULL;
adamc@457 3182 }
adamc@462 3183
adam@1877 3184 static void set_cookie(uw_context ctx) {
adam@1877 3185 if (ctx->usedSig)
adam@1877 3186 ctx->needsResig = 1;
adam@1877 3187 }
adam@1877 3188
adamc@1050 3189 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 3190 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 3191 uw_write_header(ctx, c);
adamc@462 3192 uw_write_header(ctx, "=");
adamc@462 3193 uw_write_header(ctx, v);
adamc@466 3194 uw_write_header(ctx, "; path=");
adamc@466 3195 uw_write_header(ctx, prefix);
adamc@1050 3196 if (expires) {
adamc@1050 3197 char formatted[30];
adam@1392 3198 struct tm tm = {};
adam@1392 3199 tm.tm_isdst = -1;
adamc@1050 3200
adam@1365 3201 gmtime_r(&expires->seconds, &tm);
adamc@1050 3202
adamc@1050 3203 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050 3204
adamc@1050 3205 uw_write_header(ctx, "; expires=");
adamc@1050 3206 uw_write_header(ctx, formatted);
adamc@1050 3207 }
adamc@1050 3208 if (secure)
adamc@1050 3209 uw_write_header(ctx, "; secure");
adamc@462 3210 uw_write_header(ctx, "\r\n");
adam@1877 3211 set_cookie(ctx);
adamc@462 3212
adamc@462 3213 return uw_unit_v;
adamc@462 3214 }
adamc@667 3215
adamc@1050 3216 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050 3217 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050 3218 uw_write_header(ctx, c);
adamc@1050 3219 uw_write_header(ctx, "=; path=");
adamc@1050 3220 uw_write_header(ctx, prefix);
adamc@1052 3221 uw_write_header(ctx, "; " THE_PAST "\r\n");
adam@1877 3222 set_cookie(ctx);
adamc@1050 3223
adamc@1050 3224 return uw_unit_v;
adamc@1050 3225 }
adamc@1050 3226
adamc@1113 3227 size_t uw_deltas_max = SIZE_MAX;
adamc@1113 3228
adamc@682 3229 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 3230 unsigned i;
adamc@682 3231 delta *d;
adamc@671 3232
adamc@682 3233 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 3234 if (ctx->deltas[i].client == client)
adamc@682 3235 return &ctx->deltas[i];
adamc@671 3236
adamc@682 3237 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113 3238 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113 3239 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113 3240
adamc@682 3241 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adam@1369 3242 uw_buffer_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 3243 }
adamc@671 3244
adamc@682 3245 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 3246 d->client = client;
adam@1369 3247 uw_buffer_reset(&d->msgs);
adamc@682 3248 return d;
adamc@671 3249 }
adamc@671 3250
adamc@668 3251 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 3252 if (ctx->client == NULL)
adamc@682 3253 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 3254
adamc@682 3255 return new_channel(ctx->client);
adamc@668 3256 }
adamc@668 3257
adamc@668 3258 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 3259 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 3260 size_t len;
adamc@682 3261 int preLen;
adamc@682 3262 char pre[INTS_MAX + 2];
adamc@668 3263
adamc@682 3264 len = strlen(msg);
adamc@682 3265
adamc@682 3266 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 3267
adam@1369 3268 ctx_uw_buffer_append(ctx, "messages", &d->msgs, pre, preLen);
adam@1369 3269 ctx_uw_buffer_append(ctx, "messages", &d->msgs, msg, len);
adam@1369 3270 ctx_uw_buffer_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671 3271
adamc@671 3272 return uw_unit_v;
adamc@668 3273 }
adamc@671 3274
adam@1327 3275 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131 3276 int i;
adamc@1131 3277 cleanup *cl;
adamc@1131 3278
adamc@1131 3279 if (ctx->client)
adamc@1131 3280 release_client(ctx->client);
adamc@1131 3281
adamc@1131 3282 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131 3283 cl->func(cl->arg);
adamc@1131 3284
adamc@1131 3285 ctx->cleanup_front = ctx->cleanup;
adamc@1131 3286
adamc@1131 3287 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3288 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3289 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131 3290
adamc@1131 3291 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3292 if (ctx->transactionals[i].free)
adam@1327 3293 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131 3294
adam@1941 3295 if (ctx->app && ctx->transaction_started) {
adam@1941 3296 ctx->transaction_started = 0;
adam@1941 3297 return ctx->app->db_rollback(ctx);
adam@1941 3298 } else
adam@1941 3299 return 0;
adamc@1131 3300 }
adamc@1131 3301
adam@1956 3302 const char uw_begin_xhtml[] = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">";
adam@1956 3303 const char uw_begin_html5[] = "<!DOCTYPE html><html>";
adam@1728 3304
adam@1877 3305 extern int uw_hash_blocksize;
adam@1877 3306
adam@1877 3307 static const char sig_intro[] = "<input type=\"hidden\" name=\"Sig\" value=\"";
adam@1877 3308
adam@1877 3309 static char *find_sig(char *haystack) {
adam@1877 3310 int i;
adam@1877 3311 char *s = strstr(haystack, sig_intro);
adam@1877 3312
adam@1877 3313 if (!s || strlen(haystack) - (s - haystack) - (sizeof sig_intro - 1) < uw_hash_blocksize*2+1)
adam@1877 3314 return NULL;
phurst@1981 3315
adam@1877 3316 s += sizeof sig_intro - 1;
adam@1877 3317
adam@1877 3318 for (i = 0; i < uw_hash_blocksize*2; ++i)
adam@1877 3319 if (!isxdigit((int)s[i]))
adam@1877 3320 return NULL;
adam@1877 3321
adam@1877 3322 if (s[i] != '"')
adam@1877 3323 return NULL;
adam@1877 3324
adam@1877 3325 return s;
adam@1877 3326 }
adam@1877 3327
adam@2033 3328 static pthread_mutex_t message_send_mutex = PTHREAD_MUTEX_INITIALIZER;
adam@2033 3329
adam@1938 3330 int uw_commit(uw_context ctx) {
adamc@1104 3331 int i;
adam@1877 3332 char *sig;
adamc@1104 3333
adamc@1131 3334 if (uw_has_error(ctx)) {
adam@1327 3335 uw_rollback(ctx, 0);
adam@1938 3336 return 0;
adamc@1131 3337 }
adamc@1131 3338
adamc@1104 3339 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3340 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3341 if (ctx->transactionals[i].commit) {
adamc@1083 3342 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3343 if (uw_has_error(ctx)) {
adam@1327 3344 uw_rollback(ctx, 0);
adam@1938 3345 return 0;
adamc@1131 3346 }
adamc@1131 3347 }
adamc@771 3348
adam@2033 3349 // Here's an important lock to provide the abstraction that all messages from one transaction are sent as an atomic unit.
adam@2033 3350 if (ctx->used_deltas > 0)
adam@2033 3351 pthread_mutex_lock(&message_send_mutex);
adam@2033 3352
adam@2000 3353 if (ctx->transaction_started) {
adam@2000 3354 int code = ctx->app->db_commit(ctx);
adam@2000 3355
adam@2000 3356 if (code) {
adam@2033 3357 if (ctx->used_deltas > 0)
adam@2033 3358 pthread_mutex_unlock(&message_send_mutex);
adam@2033 3359
adam@2000 3360 if (ctx->client)
adam@2000 3361 release_client(ctx->client);
adam@2000 3362
adam@2000 3363 if (code == -1) {
adam@2000 3364 // This case is for a serialization failure, which is not really an "error."
adam@2000 3365 // The transaction will restart, so we should rollback any transactionals
adam@2000 3366 // that triggered above.
adam@2000 3367
adam@2000 3368 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3369 if (ctx->transactionals[i].rollback != NULL)
adam@2000 3370 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adam@2000 3371
adam@2000 3372 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3373 if (ctx->transactionals[i].free)
adam@2000 3374 ctx->transactionals[i].free(ctx->transactionals[i].data, 1);
adam@2000 3375
grrwlf@2030 3376 return 1;
adam@2000 3377 }
adam@2000 3378
adam@2000 3379 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3380 if (ctx->transactionals[i].free)
adam@2000 3381 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adam@2000 3382
adam@2000 3383 uw_set_error_message(ctx, "Error running SQL COMMIT");
adam@2000 3384 return 0;
adam@2000 3385 }
adam@2000 3386 }
adam@2000 3387
adamc@1104 3388 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3389 if (ctx->transactionals[i].rollback == NULL)
adamc@1131 3390 if (ctx->transactionals[i].commit) {
adamc@1083 3391 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3392 if (uw_has_error(ctx)) {
adam@2033 3393 if (ctx->used_deltas > 0)
adam@2033 3394 pthread_mutex_unlock(&message_send_mutex);
adam@2033 3395
adam@2033 3396 if (ctx->client)
adam@2033 3397 release_client(ctx->client);
adam@2033 3398
adam@2033 3399 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2033 3400 if (ctx->transactionals[i].rollback != NULL)
adam@2033 3401 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adam@2033 3402
adam@2033 3403 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2033 3404 if (ctx->transactionals[i].free)
adam@2033 3405 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adam@2000 3406
adam@1938 3407 return 0;
adamc@1131 3408 }
adamc@1131 3409 }
adamc@1131 3410
adamc@682 3411 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 3412 delta *d = &ctx->deltas[i];
adamc@682 3413 client *c = find_client(d->client);
adamc@682 3414
adam@1551 3415 assert (c != NULL);
adam@1551 3416 assert(c->mode == USED);
adamc@682 3417
adam@1447 3418 client_send(c, &d->msgs, ctx->script.start, uw_buffer_used(&ctx->script));
adamc@682 3419 }
adamc@682 3420
adam@2033 3421 if (ctx->used_deltas > 0)
adam@2033 3422 pthread_mutex_unlock(&message_send_mutex);
adam@2033 3423
adamc@682 3424 if (ctx->client)
adamc@685 3425 release_client(ctx->client);
adamc@771 3426
adamc@1104 3427 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083 3428 if (ctx->transactionals[i].free)
adam@1327 3429 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916 3430
vshabanoff@1726 3431 uw_check(ctx, 1);
vshabanoff@1726 3432 *ctx->page.front = 0;
adam@1413 3433
adam@1956 3434 if (!ctx->returning_indirectly
adam@1956 3435 && (ctx->app->is_html5
adam@1956 3436 ? !strncmp(ctx->page.start, uw_begin_html5, sizeof uw_begin_html5 - 1)
adam@1956 3437 : !strncmp(ctx->page.start, uw_begin_xhtml, sizeof uw_begin_xhtml - 1))) {
adam@1728 3438 char *s;
adam@1728 3439
adam@1728 3440 // Splice script data into appropriate part of page, also adding <head> if needed.
adam@1956 3441 s = ctx->page.start + (ctx->app->is_html5 ? sizeof uw_begin_html5 - 1 : sizeof uw_begin_xhtml - 1);
adam@1728 3442 s = strchr(s, '<');
adam@1728 3443 if (s == NULL) {
adam@1728 3444 // Weird. Document has no tags!
adam@1728 3445
adam@1728 3446 uw_write(ctx, "<head></head><body></body>");
adam@1728 3447 uw_check(ctx, 1);
adam@1728 3448 *ctx->page.front = 0;
adam@1728 3449 } else if (!strncmp(s, "<head>", 6)) {
adam@1728 3450 // <head> is present. Let's add the <script> tags immediately after it.
adam@1728 3451
adam@1729 3452 // Any freeform JavaScript to include?
adam@1729 3453 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729 3454 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729 3455 size_t lenP = lenH + 40 + len;
adam@1729 3456 char *start = s + 6, *oldPage = ctx->page.start;
adam@1729 3457
adam@1729 3458 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3459 start += ctx->page.start - oldPage;
adam@1729 3460 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3461 ctx->page.front += lenP;
adam@1729 3462 memcpy(start, ctx->script_header, lenH);
adam@1729 3463 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adam@1729 3464 memcpy(start + lenH + 31, ctx->script.start, len);
adam@1729 3465 memcpy(start + lenH + 31 + len, "</script>", 9);
adam@1729 3466 } else {
adam@1729 3467 size_t lenH = strlen(ctx->script_header);
adam@1729 3468 char *start = s + 6, *oldPage = ctx->page.start;
adam@1729 3469
adam@1729 3470 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenH);
adam@1729 3471 start += ctx->page.start - oldPage;
adam@1729 3472 memmove(start + lenH, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3473 ctx->page.front += lenH;
adam@1729 3474 memcpy(start, ctx->script_header, lenH);
adam@1729 3475 }
adam@1728 3476 } else {
adam@1728 3477 // No <head>. At this point, add it, with <script> tags inside.
adam@1728 3478
adam@1729 3479 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729 3480 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729 3481 size_t lenP = lenH + 53 + len;
adam@1729 3482 char *start = s, *oldPage = ctx->page.start;
adam@1729 3483
adam@1729 3484 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3485 start += ctx->page.start - oldPage;
adam@1729 3486 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3487 ctx->page.front += lenP;
adam@1729 3488 memcpy(start, "<head>", 6);
adam@1729 3489 memcpy(start + 6, ctx->script_header, lenH);
adam@1729 3490 memcpy(start + 6 + lenH, "<script type=\"text/javascript\">", 31);
adam@1729 3491 memcpy(start + 6 + lenH + 31, ctx->script.start, len);
adam@1729 3492 memcpy(start + 6 + lenH + 31 + len, "</script></head>", 16);
adam@1729 3493 } else {
adam@1729 3494 size_t lenH = strlen(ctx->script_header);
adam@1729 3495 size_t lenP = lenH + 13;
adam@1729 3496 char *start = s, *oldPage = ctx->page.start;
adam@1729 3497
adam@1729 3498 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3499 start += ctx->page.start - oldPage;
adam@1729 3500 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3501 ctx->page.front += lenP;
adam@1729 3502 memcpy(start, "<head>", 6);
adam@1729 3503 memcpy(start + 6, ctx->script_header, lenH);
adam@1729 3504 memcpy(start + 6 + lenH, "</head>", 7);
adam@1729 3505 }
adamc@916 3506 }
adamc@916 3507 }
adam@1877 3508
adam@1877 3509 if (ctx->needsResig) {
adam@1877 3510 sig = find_sig(ctx->page.start);
adam@1877 3511 if (sig) {
adam@1877 3512 char *realsig = ctx->app->cookie_sig(ctx);
adam@1877 3513
adam@1877 3514 do {
adam@1877 3515 memcpy(sig, realsig, 2*uw_hash_blocksize);
adam@1877 3516 sig = find_sig(sig);
adam@1877 3517 } while (sig);
adam@1877 3518 }
adam@1877 3519 }
adam@1938 3520
adam@1938 3521 return 0;
adamc@671 3522 }
adamc@671 3523
adamc@683 3524
adamc@1113 3525 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113 3526
adam@2001 3527 int uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327 3528 uw_callback_with_retry free) {
adamc@771 3529 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113 3530 if (ctx->used_transactionals+1 > uw_transactionals_max)
adam@2001 3531 // Exceeded limit on number of transactionals.
adam@2001 3532 return -1;
adamc@1084 3533 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771 3534 ++ctx->n_transactionals;
adamc@771 3535 }
adamc@771 3536
adamc@771 3537 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 3538 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 3539 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 3540 ctx->transactionals[ctx->used_transactionals++].free = free;
adam@2001 3541
adam@2001 3542 return 0;
adamc@771 3543 }
adamc@771 3544
adamc@683 3545
adamc@683 3546 // "Garbage collection"
adamc@683 3547
adamc@1121 3548 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121 3549 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121 3550
adamc@1121 3551 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683 3552 int r = setjmp(ctx->jmp_buf);
adamc@683 3553
adamc@1121 3554 if (r == 0)
adamc@1121 3555 uw_do_expunge(ctx, cli, data);
adamc@1121 3556 else
adamc@1121 3557 ctx->app->db_rollback(ctx);
adamc@1121 3558
adamc@1121 3559 uw_post_expunge(ctx, data);
adamc@683 3560
adamc@683 3561 return r;
adamc@683 3562 }
adamc@683 3563
adamc@683 3564 void uw_prune_clients(uw_context ctx) {
adamc@683 3565 client *c, *next, *prev = NULL;
adamc@683 3566 time_t cutoff;
adamc@683 3567
adamc@1094 3568 cutoff = time(NULL) - ctx->app->timeout;
adamc@683 3569
adamc@683 3570 pthread_mutex_lock(&clients_mutex);
adam@1707 3571 pruning_thread = pthread_self();
adam@1707 3572 pruning_thread_initialized = 1;
adamc@683 3573
adamc@683 3574 for (c = clients_used; c; c = next) {
adamc@683 3575 next = c->next;
adamc@683 3576 pthread_mutex_lock(&c->lock);
adamc@685 3577 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 3578 failure_kind fk = UNLIMITED_RETRY;
adamc@683 3579 if (prev)
adamc@683 3580 prev->next = next;
adamc@683 3581 else
adamc@683 3582 clients_used = next;
adamc@683 3583 while (fk == UNLIMITED_RETRY) {
adam@1941 3584 uw_reset(ctx);
adamc@1121 3585 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121 3586 if (fk == UNLIMITED_RETRY)
adamc@684 3587 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 3588 }
adamc@684 3589 if (fk == SUCCESS)
adamc@684 3590 free_client(c);
adamc@1121 3591 else
adamc@856 3592 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683 3593 }
adamc@683 3594 else
adamc@683 3595 prev = c;
adamc@683 3596 pthread_mutex_unlock(&c->lock);
adamc@683 3597 }
adamc@683 3598
adamc@683 3599 pthread_mutex_unlock(&clients_mutex);
adamc@683 3600 }
adamc@687 3601
adamc@687 3602 failure_kind uw_initialize(uw_context ctx) {
adamc@687 3603 int r = setjmp(ctx->jmp_buf);
adamc@687 3604
adamc@687 3605 if (r == 0) {
adam@1936 3606 uw_ensure_transaction(ctx);
adamc@1094 3607 ctx->app->initializer(ctx);
adamc@1094 3608 if (ctx->app->db_commit(ctx))
adamc@687 3609 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 3610 }
adamc@687 3611
adamc@687 3612 return r;
adamc@687 3613 }
adamc@717 3614
adamc@1065 3615 static int url_bad(uw_Basis_string s) {
adamc@1065 3616 for (; *s; ++s)
adamc@1153 3617 if (!isgraph((int)*s))
adamc@1065 3618 return 1;
adamc@1065 3619
adamc@1065 3620 return 0;
adamc@1065 3621 }
adamc@1065 3622
adamc@717 3623 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065 3624 if (url_bad(s))
adamc@1065 3625 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094 3626 if (ctx->app->check_url(s))
adamc@770 3627 return s;
adamc@770 3628 else
adamc@770 3629 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 3630 }
adamc@734 3631
adamc@770 3632 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065 3633 if (url_bad(s))
adamc@1065 3634 return NULL;
adamc@1094 3635 if (ctx->app->check_url(s))
adamc@770 3636 return s;
adamc@770 3637 else
adamc@770 3638 return NULL;
adamc@770 3639 }
adamc@770 3640
adam@1465 3641 static int mime_format(const char *s) {
adamc@770 3642 for (; *s; ++s)
grrwlf@2024 3643 if (!isalnum((int)*s) && *s != '/' && *s != '-' && *s != '.' && *s != '+')
adamc@770 3644 return 0;
adamc@770 3645
adamc@770 3646 return 1;
adamc@770 3647 }
adamc@770 3648
adamc@741 3649 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3650 if (!mime_format(s))
adamc@770 3651 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 3652
adamc@1094 3653 if (ctx->app->check_mime(s))
adamc@770 3654 return s;
adamc@770 3655 else
adamc@770 3656 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 3657 }
adamc@770 3658
adamc@770 3659 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3660 if (!mime_format(s))
adamc@770 3661 return NULL;
adamc@770 3662
adamc@1094 3663 if (ctx->app->check_mime(s))
adamc@770 3664 return s;
adamc@770 3665 else
adamc@770 3666 return NULL;
adamc@741 3667 }
adamc@741 3668
adam@1465 3669 uw_Basis_string uw_Basis_blessRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3670 if (!mime_format(s))
adam@1465 3671 uw_error(ctx, FATAL, "Request header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3672
adam@1465 3673 if (ctx->app->check_requestHeader(s))
adam@1465 3674 return s;
adam@1465 3675 else
adam@1465 3676 uw_error(ctx, FATAL, "Disallowed request header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3677 }
adam@1465 3678
adam@1465 3679 uw_Basis_string uw_Basis_checkRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3680 if (!mime_format(s))
adam@1465 3681 return NULL;
adam@1465 3682
adam@1465 3683 if (ctx->app->check_requestHeader(s))
adam@1465 3684 return s;
adam@1465 3685 else
adam@1465 3686 return NULL;
adam@1465 3687 }
adam@1465 3688
adam@1465 3689 uw_Basis_string uw_Basis_blessResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3690 if (!mime_format(s))
adam@1465 3691 uw_error(ctx, FATAL, "Response header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3692
adam@1465 3693 if (ctx->app->check_responseHeader(s))
adam@1465 3694 return s;
adam@1465 3695 else
adam@1465 3696 uw_error(ctx, FATAL, "Disallowed response header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3697 }
adam@1465 3698
adam@1799 3699 static int envVar_format(const char *s) {
adam@1799 3700 for (; *s; ++s)
adam@1799 3701 if (!isalnum((int)*s) && *s != '_' && *s != '.')
adam@1799 3702 return 0;
adam@1799 3703
adam@1799 3704 return 1;
adam@1799 3705 }
adam@1799 3706
adam@1465 3707 uw_Basis_string uw_Basis_checkResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1799 3708 if (!envVar_format(s))
adam@1465 3709 return NULL;
adam@1465 3710
adam@1465 3711 if (ctx->app->check_responseHeader(s))
adam@1465 3712 return s;
adam@1465 3713 else
adam@1465 3714 return NULL;
adam@1465 3715 }
adam@1465 3716
adam@1799 3717 uw_Basis_string uw_Basis_blessEnvVar(uw_context ctx, uw_Basis_string s) {
adam@1799 3718 if (!envVar_format(s))
adam@1799 3719 uw_error(ctx, FATAL, "Environment variable \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1799 3720
adam@1799 3721 if (ctx->app->check_envVar(s))
adam@1799 3722 return s;
adam@1799 3723 else
adam@1799 3724 uw_error(ctx, FATAL, "Disallowed environment variable %s", uw_Basis_htmlifyString(ctx, s));
adam@1799 3725 }
adam@1799 3726
adam@1799 3727 uw_Basis_string uw_Basis_checkEnvVar(uw_context ctx, uw_Basis_string s) {
adam@1799 3728 if (!mime_format(s))
adam@1799 3729 return NULL;
adam@1799 3730
adam@1799 3731 if (ctx->app->check_envVar(s))
adam@1799 3732 return s;
adam@1799 3733 else
adam@1799 3734 return NULL;
adam@1799 3735 }
adam@1799 3736
adam@1465 3737 uw_Basis_string uw_Basis_getHeader(uw_context ctx, uw_Basis_string name) {
adam@1465 3738 return uw_Basis_requestHeader(ctx, name);
adam@1465 3739 }
adam@1465 3740
adam@1465 3741 static int mime_value_format(const char *s) {
adam@1465 3742 for (; *s; ++s)
adam@1465 3743 if (*s == '\r' || *s == '\n')
adam@1465 3744 return 0;
adam@1465 3745
adam@1465 3746 return 1;
adam@1465 3747 }
adam@1465 3748
adam@1465 3749 uw_unit uw_Basis_setHeader(uw_context ctx, uw_Basis_string name, uw_Basis_string value) {
adam@1465 3750 if (!mime_value_format(value))
adam@1465 3751 uw_error(ctx, FATAL, "Invalid value for HTTP response header");
adam@1465 3752
adam@1465 3753 uw_write_header(ctx, name);
adam@1465 3754 uw_write_header(ctx, ": ");
adam@1465 3755 uw_write_header(ctx, value);
adam@1465 3756 uw_write_header(ctx, "\r\n");
adam@1465 3757
adam@1465 3758 return uw_unit_v;
adam@1465 3759 }
adam@1465 3760
adam@1799 3761 uw_Basis_string uw_Basis_getenv(uw_context ctx, uw_Basis_string name) {
adam@1993 3762 if (ctx->get_env)
adam@1993 3763 return ctx->get_env(ctx->get_env_data, name);
adam@1993 3764 else
adam@1994 3765 return getenv(name);
adam@1799 3766 }
adam@1799 3767
adamc@734 3768 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 3769 return s ? s : "";
adamc@734 3770 }
adamc@734 3771
adamc@734 3772 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 3773 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 3774 int i;
phurst@1981 3775
adamc@734 3776 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 3777 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 3778
adamc@734 3779 return r;
adamc@734 3780 }
adamc@734 3781
adam@1512 3782 /* This bit of crafty code is intended to prevent GCC from performing
adam@1512 3783 * optimizations that would enable timing attacks. See:
adam@1512 3784 * http://www.impredicative.com/pipermail/ur/2011-July/000659.html
adam@1512 3785 */
adam@1512 3786 int uw_streq(uw_Basis_string s1, uw_Basis_string s2) {
adam@1512 3787 int i, x = 0, len1 = strlen(s1);
adam@1512 3788
adam@1512 3789 if (len1 != strlen(s2)) return 0;
adam@1512 3790
adam@1512 3791 for (i = 0; i < len1; ++i) {
adam@1512 3792 __asm__ __volatile__ ("");
adam@1512 3793 x |= s1[i] ^ s2[i];
adam@1512 3794 }
adam@1512 3795
adam@1512 3796 return x == 0;
adam@1512 3797 }
adam@1512 3798
adamc@734 3799 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adam@1877 3800 ctx->usedSig = 1;
adamc@1094 3801 return ctx->app->cookie_sig(ctx);
adamc@734 3802 }
adamc@737 3803
adamc@737 3804 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 3805 return f.name;
adamc@737 3806 }
adamc@737 3807
adamc@740 3808 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 3809 return f.type;
adamc@740 3810 }
adamc@740 3811
adamc@745 3812 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 3813 return b.size;
adamc@745 3814 }
adamc@745 3815
adamc@1119 3816 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119 3817 uw_Basis_blob b = {strlen(s), s};
adamc@1119 3818
adamc@1119 3819 return b;
adamc@1119 3820 }
adamc@1119 3821
adamc@737 3822 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 3823 return f.data;
adamc@737 3824 }
adamc@741 3825
adam@1347 3826 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3827 return pb.type;
adam@1347 3828 }
adam@1347 3829
adam@1347 3830 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3831 return pb.data;
adam@1347 3832 }
adam@1347 3833
adam@1471 3834 static char *old_headers(uw_context ctx) {
adam@1471 3835 if (uw_buffer_used(&ctx->outHeaders) == 0)
adam@1471 3836 return NULL;
adam@1471 3837 else {
adam@1471 3838 char *s = strchr(ctx->outHeaders.start, '\n');
adam@1471 3839
adam@1471 3840 if (s == NULL || strncasecmp(s+1, "Content-type: ", 14))
adam@1471 3841 return NULL;
adam@1471 3842 else {
adam@1471 3843 s = strchr(s+15, '\n');
adam@1471 3844 if (s == NULL)
adam@1471 3845 return NULL;
adam@1471 3846 else
adam@1471 3847 return uw_strdup(ctx, s+1);
adam@1471 3848 }
adam@1471 3849 }
adam@1471 3850 }
adam@1471 3851
adamc@741 3852 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 3853 cleanup *cl;
adamc@741 3854 int len;
adam@1471 3855 char *oldh;
adamc@741 3856
adam@1451 3857 if (!ctx->allowed_to_return_indirectly)
adam@1451 3858 uw_error(ctx, FATAL, "Tried to return a blob from an RPC");
adam@1451 3859
adamc@1065 3860 ctx->returning_indirectly = 1;
adam@1471 3861 oldh = old_headers(ctx);
adam@1369 3862 uw_buffer_reset(&ctx->outHeaders);
adam@1369 3863 uw_buffer_reset(&ctx->page);
adamc@741 3864
adamc@856 3865 uw_write_header(ctx, on_success);
adamc@856 3866 uw_write_header(ctx, "Content-Type: ");
adamc@741 3867 uw_write_header(ctx, mimeType);
adam@1934 3868 uw_write_header(ctx, "\r\nContent-length: ");
adam@1369 3869 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134 3870 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741 3871 ctx->outHeaders.front += len;
adamc@1066 3872 uw_write_header(ctx, "\r\n");
adam@1471 3873 if (oldh) uw_write_header(ctx, oldh);
adamc@741 3874
adam@1369 3875 ctx_uw_buffer_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741 3876
adamc@741 3877 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 3878 cl->func(cl->arg);
adamc@741 3879
adamc@741 3880 ctx->cleanup_front = ctx->cleanup;
adamc@741 3881
adamc@1065 3882 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065 3883 }
adamc@1065 3884
adam@2046 3885 void uw_replace_page(uw_context ctx, const char *data, size_t size) {
adam@2046 3886 uw_buffer_reset(&ctx->page);
adam@2046 3887 ctx_uw_buffer_append(ctx, "page", &ctx->page, data, size);
adam@2046 3888 }
adam@2046 3889
adam@1932 3890 __attribute__((noreturn)) void uw_return_blob_from_page(uw_context ctx, uw_Basis_string mimeType) {
adam@1932 3891 cleanup *cl;
adam@1932 3892 int len;
adam@1932 3893 char *oldh;
adam@1932 3894
adam@1932 3895 if (!ctx->allowed_to_return_indirectly)
adam@1932 3896 uw_error(ctx, FATAL, "Tried to return a blob from an RPC");
adam@1932 3897
adam@1932 3898 ctx->returning_indirectly = 1;
adam@1932 3899 oldh = old_headers(ctx);
adam@1932 3900 uw_buffer_reset(&ctx->outHeaders);
adam@1932 3901
adam@1932 3902 uw_write_header(ctx, on_success);
adam@1932 3903 uw_write_header(ctx, "Content-Type: ");
adam@1932 3904 uw_write_header(ctx, mimeType);
adam@1934 3905 uw_write_header(ctx, "\r\nContent-length: ");
adam@1932 3906 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adam@1932 3907 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)uw_buffer_used(&ctx->page), &len);
adam@1932 3908 ctx->outHeaders.front += len;
adam@1932 3909 uw_write_header(ctx, "\r\n");
adam@1932 3910 if (oldh) uw_write_header(ctx, oldh);
adam@1932 3911
adam@1932 3912 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adam@1932 3913 cl->func(cl->arg);
adam@1932 3914
adam@1932 3915 ctx->cleanup_front = ctx->cleanup;
adam@1932 3916
adam@1932 3917 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adam@1932 3918 }
adam@1932 3919
adamc@1065 3920 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065 3921 cleanup *cl;
adamc@1066 3922 char *s;
adam@1471 3923 char *oldh;
adamc@1065 3924
adam@1451 3925 if (!ctx->allowed_to_return_indirectly)
adam@1451 3926 uw_error(ctx, FATAL, "Tried to redirect from an RPC");
adam@1451 3927
adamc@1065 3928 ctx->returning_indirectly = 1;
adam@1471 3929 oldh = old_headers(ctx);
adam@1369 3930 uw_buffer_reset(&ctx->page);
adam@1369 3931 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->outHeaders)+1);
adam@1369 3932 memcpy(ctx->page.start, ctx->outHeaders.start, uw_buffer_used(&ctx->outHeaders));
adam@1369 3933 ctx->page.start[uw_buffer_used(&ctx->outHeaders)] = 0;
adam@1369 3934 uw_buffer_reset(&ctx->outHeaders);
adamc@1065 3935
adam@1409 3936 if (on_success[0])
adam@1409 3937 uw_write_header(ctx, on_redirect);
adam@1409 3938 else
adam@1409 3939 uw_write_header(ctx, "Status: 303 See Other\r\n");
adam@1409 3940 s = on_success[0] ? strchr(ctx->page.start, '\n') : ctx->page.start;
adamc@1066 3941 if (s) {
adamc@1066 3942 char *s2;
adam@1409 3943 if (s[0] == '\n') ++s;
adam@1409 3944 for (; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066 3945 *s2 = 0;
adamc@1066 3946 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066 3947 uw_write_header(ctx, s);
adamc@1066 3948 uw_write_header(ctx, "\n");
adamc@1066 3949 }
adamc@1066 3950 }
adamc@1066 3951 }
adamc@1066 3952
adamc@1065 3953 uw_write_header(ctx, "Location: ");
adamc@1065 3954 uw_write_header(ctx, url);
adamc@1065 3955 uw_write_header(ctx, "\r\n\r\n");
adam@1471 3956 if (oldh) uw_write_header(ctx, oldh);
adamc@1065 3957
adamc@1065 3958 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065 3959 cl->func(cl->arg);
adamc@1065 3960
adamc@1065 3961 ctx->cleanup_front = ctx->cleanup;
adamc@1065 3962
adamc@1065 3963 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741 3964 }
adamc@874 3965
adamc@874 3966 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adam@1467 3967 uw_Basis_string ret = uw_malloc(ctx, strlen(s) + 1), r = ret;
adamc@874 3968
adamc@874 3969 for (; *s; ++s) {
adamc@874 3970 if (s[0] == '\'') {
adamc@874 3971 *r++ = '\'';
adamc@874 3972 for (++s; *s; ++s) {
adamc@874 3973 if (s[0] == '\'') {
adamc@874 3974 *r++ = '\'';
adamc@874 3975 break;
adamc@874 3976 } else if (s[0] == '\\') {
adam@1467 3977 *r++ = '\\';
adam@1467 3978 *r++ = s[1];
adam@1467 3979 ++s;
adamc@874 3980 } else
adamc@874 3981 *r++ = s[0];
adamc@874 3982 }
adamc@874 3983 if (*s == 0) break;
adam@1467 3984 } else if (s[0] == 'T' && s[1] == '_' && s[2] == 'T' && s[3] == '.')
adam@1467 3985 s += 3;
adamc@874 3986 else
adamc@874 3987 *r++ = s[0];
adamc@874 3988 }
adamc@874 3989
adam@1467 3990 *r = 0;
adam@1467 3991 return ret;
adamc@874 3992 }
adamc@874 3993
adamc@922 3994 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922 3995 va_list ap;
adamc@922 3996 size_t len = 1;
adamc@922 3997 char *s, *r, *s2;
phurst@1981 3998
adamc@922 3999 va_start(ap, ctx);
adamc@922 4000 for (s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 4001 len += strlen(s);
adamc@922 4002 va_end(ap);
adamc@922 4003
adamc@922 4004 r = uw_malloc(ctx, len);
adamc@922 4005 va_start(ap, ctx);
adamc@922 4006 for (s2 = r, s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 4007 while (*s)
adamc@922 4008 *s2++ = *s++;
adamc@922 4009 va_end(ap);
adamc@922 4010 *s2 = 0;
adamc@922 4011
adamc@922 4012 return r;
adamc@922 4013 }
adamc@1006 4014
adam@1365 4015 const uw_Basis_time uw_Basis_minTime = {};
adamc@1050 4016
adamc@1006 4017 uw_Basis_time uw_Basis_now(uw_context ctx) {
adam@1365 4018 uw_Basis_time r = { time(NULL) };
adam@1365 4019 return r;
adamc@1006 4020 }
adamc@1061 4021
adam@1369 4022 uw_Basis_time uw_Basis_addSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adam@1369 4023 tm.seconds += n;
adam@1365 4024 return tm;
adamc@1138 4025 }
adamc@1138 4026
adam@1514 4027 uw_Basis_int uw_Basis_diffInSeconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1514 4028 return difftime(tm2.seconds, tm1.seconds);
adam@1514 4029 }
adam@1514 4030
adam@1685 4031 uw_Basis_int uw_Basis_toMilliseconds(uw_context ctx, uw_Basis_time tm) {
adam@1685 4032 return tm.seconds * 1000 + tm.microseconds / 1000;
adam@1685 4033 }
adam@1685 4034
adam@1685 4035 uw_Basis_int uw_Basis_diffInMilliseconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1685 4036 return uw_Basis_toMilliseconds(ctx, tm2) - uw_Basis_toMilliseconds(ctx, tm1);
adam@1685 4037 }
adam@1685 4038
adam@1514 4039 uw_Basis_int uw_Basis_toSeconds(uw_context ctx, uw_Basis_time tm) {
adam@1514 4040 return tm.seconds;
adam@1514 4041 }
adam@1514 4042
phurst@1971 4043 uw_Basis_time uw_Basis_fromDatetime(uw_context ctx, uw_Basis_int year, uw_Basis_int month, uw_Basis_int day, uw_Basis_int hour, uw_Basis_int minute, uw_Basis_int second) {
phurst@1971 4044 struct tm tm = { .tm_year = year - 1900, .tm_mon = month, .tm_mday = day,
adam@2015 4045 .tm_hour = hour, .tm_min = minute, .tm_sec = second,
adam@2015 4046 .tm_isdst = -1 };
phurst@1984 4047 uw_Basis_time r = { timelocal(&tm) };
phurst@1971 4048 return r;
phurst@1971 4049 }
phurst@1971 4050
phurst@1971 4051 uw_Basis_int uw_Basis_datetimeYear(uw_context ctx, uw_Basis_time time) {
phurst@1971 4052 struct tm tm;
phurst@1982 4053 localtime_r(&time.seconds, &tm);
phurst@1971 4054 return tm.tm_year + 1900;
phurst@1971 4055 }
phurst@1971 4056
phurst@1971 4057 uw_Basis_int uw_Basis_datetimeMonth(uw_context ctx, uw_Basis_time time) {
phurst@1971 4058 struct tm tm;
phurst@1982 4059 localtime_r(&time.seconds, &tm);
phurst@1971 4060 return tm.tm_mon;
phurst@1971 4061 }
phurst@1971 4062
phurst@1971 4063 uw_Basis_int uw_Basis_datetimeDay(uw_context ctx, uw_Basis_time time) {
phurst@1971 4064 struct tm tm;
phurst@1982 4065 localtime_r(&time.seconds, &tm);
phurst@1971 4066 return tm.tm_mday;
phurst@1971 4067 }
phurst@1971 4068
phurst@1971 4069 uw_Basis_int uw_Basis_datetimeHour(uw_context ctx, uw_Basis_time time) {
phurst@1971 4070 struct tm tm;
phurst@1982 4071 localtime_r(&time.seconds, &tm);
phurst@1971 4072 return tm.tm_hour;
phurst@1971 4073 }
phurst@1971 4074
phurst@1971 4075 uw_Basis_int uw_Basis_datetimeMinute(uw_context ctx, uw_Basis_time time) {
phurst@1971 4076 struct tm tm;
phurst@1982 4077 localtime_r(&time.seconds, &tm);
phurst@1971 4078 return tm.tm_min;
phurst@1971 4079 }
phurst@1971 4080
phurst@1971 4081 uw_Basis_int uw_Basis_datetimeSecond(uw_context ctx, uw_Basis_time time) {
phurst@1971 4082 struct tm tm;
phurst@1982 4083 localtime_r(&time.seconds, &tm);
phurst@1971 4084 return tm.tm_sec;
phurst@1971 4085 }
phurst@1971 4086
phurst@1973 4087 uw_Basis_int uw_Basis_datetimeDayOfWeek(uw_context ctx, uw_Basis_time time) {
phurst@1973 4088 struct tm tm;
phurst@1982 4089 localtime_r(&time.seconds, &tm);
phurst@1973 4090 return tm.tm_wday;
phurst@1973 4091 }
phurst@1971 4092
phurst@1971 4093
adamc@1061 4094 void *uw_get_global(uw_context ctx, char *name) {
adamc@1061 4095 int i;
adamc@1061 4096
adamc@1061 4097 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 4098 if (!strcmp(name, ctx->globals[i].name))
adamc@1061 4099 return ctx->globals[i].data;
adamc@1061 4100
adamc@1061 4101 return NULL;
adamc@1061 4102 }
adamc@1061 4103
adamc@1113 4104 size_t uw_globals_max = SIZE_MAX;
adamc@1113 4105
adamc@1061 4106 void uw_set_global(uw_context ctx, char *name, void *data, void (*free)(void*)) {
adamc@1061 4107 int i;
adamc@1061 4108
adamc@1061 4109 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 4110 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089 4111 if (ctx->globals[i].free)
adamc@1061 4112 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061 4113 ctx->globals[i].data = data;
adamc@1061 4114 ctx->globals[i].free = free;
adamc@1061 4115 return;
adamc@1061 4116 }
adamc@1089 4117
adamc@1113 4118 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113 4119 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113 4120
adamc@1061 4121 ++ctx->n_globals;
adamc@1061 4122 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061 4123 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061 4124 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061 4125 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061 4126 }
adamc@1061 4127
adamc@1061 4128 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153 4129 return !!isalnum((int)c);
adamc@1061 4130 }
adamc@1061 4131
adamc@1061 4132 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153 4133 return !!isalpha((int)c);
adamc@1061 4134 }
adamc@1061 4135
adamc@1061 4136 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153 4137 return !!isblank((int)c);
adamc@1061 4138 }
adamc@1061 4139
adamc@1061 4140 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153 4141 return !!iscntrl((int)c);
adamc@1061 4142 }
adamc@1061 4143
adamc@1061 4144 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 4145 return !!isdigit((int)c);
adamc@1061 4146 }
adamc@1061 4147
adamc@1061 4148 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153 4149 return !!isgraph((int)c);
adamc@1061 4150 }
adamc@1061 4151
adamc@1061 4152 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153 4153 return !!islower((int)c);
adamc@1061 4154 }
adamc@1061 4155
adamc@1061 4156 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153 4157 return !!isprint((int)c);
adamc@1061 4158 }
adamc@1061 4159
adamc@1061 4160 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153 4161 return !!ispunct((int)c);
adamc@1061 4162 }
adamc@1061 4163
adamc@1061 4164 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153 4165 return !!isspace((int)c);
adamc@1061 4166 }
adamc@1063 4167
adamc@1061 4168 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 4169 return !!isupper((int)c);
adamc@1061 4170 }
adamc@1061 4171
adamc@1061 4172 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 4173 return !!isxdigit((int)c);
adamc@1061 4174 }
adamc@1061 4175
adamc@1061 4176 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153 4177 return tolower((int)c);
adamc@1061 4178 }
adamc@1061 4179
adamc@1061 4180 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 4181 return toupper((int)c);
adamc@1061 4182 }
adamc@1066 4183
adamc@1128 4184 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128 4185 return (unsigned char)c;
adamc@1128 4186 }
adamc@1128 4187
adamc@1128 4188 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128 4189 return n;
adamc@1128 4190 }
adamc@1128 4191
adamc@1066 4192 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066 4193 return ctx->current_url;
adamc@1066 4194 }
adamc@1066 4195
adamc@1066 4196 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066 4197 ctx->current_url = s;
adamc@1066 4198 }
adamc@1114 4199
adamc@1114 4200 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114 4201 ctx->deadline = n;
adamc@1114 4202 }
adamc@1114 4203
adamc@1114 4204 void uw_check_deadline(uw_context ctx) {
adamc@1114 4205 if (uw_time > ctx->deadline)
adamc@1114 4206 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114 4207 }
adamc@1115 4208
adamc@1115 4209 size_t uw_database_max = SIZE_MAX;
adamc@1120 4210
adam@1389 4211 uw_Basis_int uw_Basis_naughtyDebug(uw_context ctx, uw_Basis_string s) {
adam@1389 4212 fprintf(stderr, "%s\n", s);
adam@1389 4213 return 0;
adam@1389 4214 }
adam@1389 4215
adamc@1120 4216 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
grrwlf@1997 4217 if (ctx->loggers->log_debug)
grrwlf@1997 4218 ctx->loggers->log_debug(ctx->loggers->logger_data, "%s\n", s);
adam@1334 4219 else
adam@1334 4220 fprintf(stderr, "%s\n", s);
adamc@1120 4221 return uw_unit_v;
adamc@1120 4222 }
adamc@1250 4223
adam@1933 4224 static pthread_mutex_t rand_mutex = PTHREAD_MUTEX_INITIALIZER;
adam@1933 4225
adamc@1250 4226 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adam@1486 4227 uw_Basis_int ret;
adam@1933 4228 pthread_mutex_lock(&rand_mutex);
adam@1486 4229 int r = RAND_bytes((unsigned char *)&ret, sizeof ret);
adam@1933 4230 pthread_mutex_unlock(&rand_mutex);
phurst@1981 4231
adam@1486 4232 if (r)
adam@1486 4233 return abs(ret);
adam@1486 4234 else
adam@1486 4235 uw_error(ctx, FATAL, "Random number generation failed");
adamc@1250 4236 }
adam@1347 4237
adam@1347 4238 void uw_noPostBody(uw_context ctx) {
adam@1347 4239 ctx->hasPostBody = 0;
adam@1347 4240 }
adam@1347 4241
adam@1347 4242 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 4243 ctx->hasPostBody = 1;
adam@1347 4244 ctx->postBody = pb;
adam@1347 4245 }
adam@1347 4246
adam@1347 4247 int uw_hasPostBody(uw_context ctx) {
adam@1347 4248 return ctx->hasPostBody;
adam@1347 4249 }
adam@1347 4250
adam@1386 4251 void uw_isPost(uw_context ctx) {
adam@1386 4252 ctx->isPost = 1;
adam@1386 4253 }
adam@1386 4254
adam@1386 4255 uw_Basis_bool uw_Basis_currentUrlHasPost(uw_context ctx) {
adam@1386 4256 return ctx->isPost;
adam@1386 4257 }
adam@1386 4258
adam@1485 4259 uw_Basis_bool uw_Basis_currentUrlHasQueryString(uw_context ctx) {
adam@1485 4260 return ctx->queryString != NULL && ctx->queryString[0] != 0;
adam@1485 4261 }
adam@1485 4262
adam@1370 4263 void uw_setQueryString(uw_context ctx, uw_Basis_string s) {
adam@1370 4264 ctx->queryString = s;
adam@1370 4265 }
adam@1370 4266
adam@1370 4267 uw_Basis_string uw_queryString(uw_context ctx) {
adam@1370 4268 return ctx->queryString;
adam@1370 4269 }
adam@1370 4270
adam@1347 4271 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347 4272 if (ctx->hasPostBody)
adam@1347 4273 return ctx->postBody;
adam@1347 4274 else
adam@1347 4275 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347 4276 }
adam@1349 4277
adam@1349 4278 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349 4279 int r = setjmp(ctx->jmp_buf);
adam@1349 4280
adam@1349 4281 if (r == 0) {
adam@1936 4282 uw_ensure_transaction(ctx);
adam@1418 4283
adam@1349 4284 callback(ctx);
adam@1349 4285 }
adam@1349 4286
adam@1349 4287 return r;
adam@1349 4288 }
adam@1360 4289
adam@1360 4290 uw_Basis_string uw_Basis_crypt(uw_context ctx, uw_Basis_string key, uw_Basis_string salt) {
adam@1397 4291 char buf[14];
adam@1397 4292 return uw_strdup(ctx, DES_fcrypt(key, salt, buf));
adam@1360 4293 }
adam@1365 4294
adam@1365 4295 uw_Basis_bool uw_Basis_eq_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 4296 return !!(t1.seconds == t2.seconds && t1.microseconds == t2.microseconds);
adam@1365 4297 }
adam@1365 4298
adam@1365 4299 uw_Basis_bool uw_Basis_lt_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@2034 4300 return !!(t1.seconds < t2.seconds || (t1.seconds == t2.seconds && t1.microseconds < t2.microseconds));
adam@1365 4301 }
adam@1365 4302
adam@1365 4303 uw_Basis_bool uw_Basis_le_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 4304 return !!(uw_Basis_eq_time(ctx, t1, t2) || uw_Basis_lt_time(ctx, t1, t2));
adam@1365 4305 }
adam@1365 4306
adam@1372 4307 uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374 4308 struct tm stm = {};
adam@1375 4309 char *end = strchr(s, 0);
adam@1449 4310 stm.tm_isdst = -1;
adam@1375 4311
adam@1632 4312 if (strptime(s, TIME_FMT_PG, &stm) == end || strptime(s, TIME_FMT, &stm) == end || strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1373 4313 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1375 4314
kkallio@1448 4315 r->seconds = timegm(&stm);
adam@1373 4316 r->microseconds = 0;
adam@1373 4317
adam@1373 4318 return r;
adam@1374 4319 }
adam@1374 4320 else
adam@1373 4321 return NULL;
adam@1372 4322 }
adam@1407 4323
adam@1407 4324 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1407 4325 int r = setjmp(ctx->jmp_buf);
adam@1407 4326
adam@1407 4327 if (ctx->app->on_error) {
adam@1407 4328 if (r == 0) {
adam@1936 4329 uw_ensure_transaction(ctx);
adam@1407 4330
adam@1409 4331 uw_buffer_reset(&ctx->outHeaders);
adam@1409 4332 if (on_success[0])
adam@1409 4333 uw_write_header(ctx, "HTTP/1.1 ");
adam@1409 4334 else
adam@1409 4335 uw_write_header(ctx, "Status: ");
adam@1409 4336 uw_write_header(ctx, "500 Internal Server Error\r\n");
adam@1919 4337 uw_write_header(ctx, "Content-type: text/html\r\n");
adam@1956 4338 uw_write(ctx, ctx->app->is_html5 ? uw_begin_html5 : uw_begin_xhtml);
adam@1407 4339 ctx->app->on_error(ctx, msg);
adam@1407 4340 uw_write(ctx, "</html>");
adam@1407 4341 }
adam@1407 4342
adam@1407 4343 return r;
adam@1407 4344 } else
adam@1407 4345 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1407 4346 }
adam@1451 4347
adam@1451 4348 void uw_mayReturnIndirectly(uw_context ctx) {
adam@1451 4349 ctx->allowed_to_return_indirectly = 1;
adam@1451 4350 }
adam@1483 4351
adam@1556 4352 uw_Basis_string uw_Basis_fresh(uw_context ctx) {
adam@1703 4353 int len;
adam@1703 4354 char *r;
adam@1703 4355
adam@1703 4356 uw_check_heap(ctx, 2+INTS_MAX);
adam@1703 4357 r = ctx->heap.front;
adam@1703 4358 sprintf(r, "uw%u%n", ctx->nextId++, &len);
adam@1703 4359 ctx->heap.front += len+1;
adam@1703 4360 return r;
adam@1556 4361 }
adam@1571 4362
adam@1571 4363 uw_Basis_float uw_Basis_floatFromInt(uw_context ctx, uw_Basis_int n) {
adam@1571 4364 return n;
adam@1571 4365 }
adam@1571 4366
adam@1571 4367 uw_Basis_int uw_Basis_ceil(uw_context ctx, uw_Basis_float n) {
adam@1571 4368 return ceil(n);
adam@1571 4369 }
adam@1571 4370
adam@1571 4371 uw_Basis_int uw_Basis_trunc(uw_context ctx, uw_Basis_float n) {
adam@1571 4372 return trunc(n);
adam@1571 4373 }
adam@1571 4374
adam@1571 4375 uw_Basis_int uw_Basis_round(uw_context ctx, uw_Basis_float n) {
adam@1571 4376 return round(n);
adam@1571 4377 }
adam@1755 4378
adam@1755 4379 uw_Basis_string uw_Basis_atom(uw_context ctx, uw_Basis_string s) {
adam@1755 4380 char *p;
adam@1755 4381
adam@1755 4382 for (p = s; *p; ++p) {
adam@1755 4383 char c = *p;
adam@1801 4384 if (!isalnum((int)c) && c != '+' && c != '-' && c != '.' && c != '%' && c != '#')
adam@1755 4385 uw_error(ctx, FATAL, "Disallowed character in CSS atom");
adam@1755 4386 }
adam@1755 4387
adam@1755 4388 return s;
adam@1755 4389 }
adam@1755 4390
adam@1755 4391 uw_Basis_string uw_Basis_css_url(uw_context ctx, uw_Basis_string s) {
adam@1755 4392 char *p;
adam@1755 4393
adam@1755 4394 for (p = s; *p; ++p) {
adam@1755 4395 char c = *p;
adam@1801 4396 if (!isalnum((int)c) && c != ':' && c != '/' && c != '.' && c != '_' && c != '+'
adam@1755 4397 && c != '-' && c != '%' && c != '?' && c != '&' && c != '=' && c != '#')
adam@1755 4398 uw_error(ctx, FATAL, "Disallowed character in CSS URL");
adam@1755 4399 }
adam@1755 4400
adam@1755 4401 return s;
adam@1755 4402 }
adam@1755 4403
adam@1755 4404 uw_Basis_string uw_Basis_property(uw_context ctx, uw_Basis_string s) {
adam@1755 4405 char *p;
adam@1755 4406
adam@1755 4407 if (!*s)
adam@1755 4408 uw_error(ctx, FATAL, "Empty CSS property");
adam@1755 4409
adam@1801 4410 if (!islower((int)s[0]) && s[0] != '_')
adam@1755 4411 uw_error(ctx, FATAL, "Bad initial character in CSS property");
adam@1755 4412
adam@1755 4413 for (p = s; *p; ++p) {
adam@1755 4414 char c = *p;
adam@1801 4415 if (!islower((int)c) && !isdigit((int)c) && c != '_' && c != '-')
adam@1755 4416 uw_error(ctx, FATAL, "Disallowed character in CSS property");
adam@1755 4417 }
adam@1755 4418
adam@1755 4419 return s;
adam@1755 4420 }
adam@1787 4421
adam@1787 4422 uw_Basis_string uw_Basis_fieldName(uw_context ctx, uw_Basis_postField f) {
adam@1787 4423 return f.name;
adam@1787 4424 }
adam@1787 4425
adam@1787 4426 uw_Basis_string uw_Basis_fieldValue(uw_context ctx, uw_Basis_postField f) {
adam@1787 4427 return f.value;
adam@1787 4428 }
adam@1787 4429
adam@1787 4430 uw_Basis_string uw_Basis_remainingFields(uw_context ctx, uw_Basis_postField f) {
adam@1787 4431 return f.remaining;
adam@1787 4432 }
adam@1787 4433
adam@1787 4434 uw_Basis_postField *uw_Basis_firstFormField(uw_context ctx, uw_Basis_string s) {
adam@1788 4435 char *unurl;
adam@1787 4436 uw_Basis_postField *f;
adam@1787 4437
adam@1788 4438 if (!ctx->hasPostBody)
adam@1788 4439 uw_error(ctx, FATAL, "firstFormField called when there is no POST body");
adam@1788 4440
adam@1788 4441 if (s < ctx->postBody.data || s >= ctx->postBody.data + ctx->postBody.len)
adam@1787 4442 return NULL;
adam@1787 4443
adam@1787 4444 f = uw_malloc(ctx, sizeof(uw_Basis_postField));
adam@1788 4445 unurl = s;
adam@1787 4446 f->name = uw_Basis_unurlifyString(ctx, &unurl);
adam@1788 4447 s = strchr(s, 0);
adam@1788 4448 if (!s)
adam@1788 4449 uw_error(ctx, FATAL, "firstFormField: Missing null terminator");
adam@1788 4450 ++s;
adam@1788 4451 unurl = s;
adam@1788 4452 f->value = uw_Basis_unurlifyString(ctx, &unurl);
adam@1788 4453 s = strchr(s, 0);
adam@1788 4454 if (!s)
adam@1788 4455 uw_error(ctx, FATAL, "firstFormField: Missing null terminator");
adam@1788 4456 f->remaining = s+1;
adam@1787 4457
adam@1787 4458 return f;
adam@1787 4459 }
adam@2008 4460
adam@2008 4461 uw_Basis_string uw_Basis_blessData(uw_context ctx, uw_Basis_string s) {
adam@2008 4462 char *p = s;
adam@2008 4463
adam@2008 4464 for (; *p; ++p)
adam@2008 4465 if (!isalnum(*p) && *p != '-' && *p != '_')
adam@2008 4466 uw_error(ctx, FATAL, "Illegal HTML5 data-* attribute: %s", s);
adam@2008 4467
adam@2008 4468 return s;
adam@2008 4469 }
adam@2073 4470
adam@2073 4471 int uw_remoteSock(uw_context ctx) {
adam@2073 4472 return ctx->remoteSock;
adam@2073 4473 }
adam@2073 4474
adam@2073 4475 void uw_set_remoteSock(uw_context ctx, int sock) {
adam@2073 4476 ctx->remoteSock = sock;
adam@2073 4477 }