annotate src/c/urweb.c @ 2039:3d10ae22abd6

Default 'jsFunc' for less-safe FFI
author Adam Chlipala <adam@chlipala.net>
date Wed, 16 Jul 2014 04:06:11 -0400
parents 1d36654c2d21
children ced78ef1c82f
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@1936 444 int needs_push, needs_sig, could_write_db;
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;
adamc@117 479 };
adamc@117 480
adamc@1113 481 size_t uw_headers_max = SIZE_MAX;
adamc@1113 482 size_t uw_page_max = SIZE_MAX;
adamc@1113 483 size_t uw_heap_max = SIZE_MAX;
adamc@1113 484 size_t uw_script_max = SIZE_MAX;
adamc@1113 485
grrwlf@1997 486 uw_context uw_init(int id, uw_loggers *lg) {
adamc@311 487 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 488
adamc@1094 489 ctx->app = NULL;
adam@1446 490 ctx->id = id;
adamc@1094 491
adamc@854 492 ctx->get_header = NULL;
adamc@854 493 ctx->get_header_data = NULL;
adamc@457 494
adam@1799 495 ctx->get_env = NULL;
adam@1799 496 ctx->get_env_data = NULL;
adam@1799 497
adam@1413 498 uw_buffer_init(uw_headers_max, &ctx->outHeaders, 1);
adam@1413 499 ctx->outHeaders.start[0] = 0;
adam@1413 500 uw_buffer_init(uw_page_max, &ctx->page, 1);
adam@1413 501 ctx->page.start[0] = 0;
adam@1451 502 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 503 uw_buffer_init(uw_heap_max, &ctx->heap, uw_min_heap);
adam@1369 504 uw_buffer_init(uw_script_max, &ctx->script, 1);
adamc@667 505 ctx->script.start[0] = 0;
adamc@136 506
adamc@1094 507 ctx->inputs = malloc(0);
adamc@759 508 ctx->cur_container = NULL;
adamc@756 509 ctx->subinputs = malloc(0);
adamc@1094 510 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 511
adamc@272 512 ctx->db = NULL;
adam@1931 513 ctx->transaction_started = 0;
adamc@272 514
adamc@323 515 ctx->regions = NULL;
adamc@323 516
adamc@425 517 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 518
adamc@643 519 ctx->script_header = "";
adamc@693 520 ctx->needs_push = 0;
adamc@736 521 ctx->needs_sig = 0;
adam@1936 522 ctx->could_write_db = 1;
adamc@1104 523
adamc@565 524 ctx->source_count = 0;
adamc@562 525
adamc@682 526 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 527 ctx->deltas = malloc(0);
adamc@671 528
adamc@700 529 ctx->client = NULL;
adamc@700 530
adamc@700 531 ctx->error_message[0] = 0;
adamc@700 532
adamc@771 533 ctx->transactionals = malloc(0);
adamc@771 534 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 535
adamc@1061 536 ctx->globals = malloc(0);
adamc@1061 537 ctx->n_globals = 0;
adamc@1061 538
adamc@1066 539 ctx->current_url = "";
adamc@1066 540
adamc@1114 541 ctx->deadline = INT_MAX;
adamc@1114 542
adamc@1121 543 ctx->client_data = uw_init_client_data();
adamc@1121 544
grrwlf@1997 545 ctx->loggers = lg;
adam@1334 546
adam@1386 547 ctx->isPost = ctx->hasPostBody = 0;
adam@1347 548
adam@1370 549 ctx->queryString = NULL;
adam@1370 550
adam@1556 551 ctx->nextId = 0;
adam@1556 552
adam@1782 553 ctx->amInitializing = 0;
adam@1782 554
adam@1877 555 ctx->usedSig = 0;
adam@1877 556 ctx->needsResig = 0;
adam@1877 557
adam@1949 558 ctx->output_buffer = malloc(1);
adam@1949 559 ctx->output_buffer_size = 1;
adam@1949 560
adamc@117 561 return ctx;
adamc@106 562 }
adamc@106 563
adamc@1113 564 size_t uw_inputs_max = SIZE_MAX;
adamc@1113 565
adamc@1121 566 uw_app *uw_get_app(uw_context ctx) {
adamc@1121 567 return ctx->app;
adamc@1121 568 }
adamc@1121 569
adamc@1113 570 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094 571 ctx->app = app;
adamc@1094 572
adamc@1105 573 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113 574 if (app->inputs_len > uw_inputs_max)
adamc@1113 575 return 1;
adamc@1113 576
adamc@1094 577 ctx->sz_inputs = app->inputs_len;
adamc@1094 578 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094 579 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094 580 }
adamc@1134 581
adamc@1134 582 return 0;
adamc@1094 583 }
adamc@1094 584
adamc@1121 585 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121 586 uw_copy_client_data(ctx->client_data, data);
adamc@1121 587 }
adamc@1121 588
adamc@311 589 void uw_set_db(uw_context ctx, void *db) {
adamc@272 590 ctx->db = db;
adamc@272 591 }
adamc@272 592
adamc@311 593 void *uw_get_db(uw_context ctx) {
adamc@272 594 return ctx->db;
adamc@272 595 }
adamc@272 596
grrwlf@1997 597
grrwlf@1997 598 uw_loggers* uw_get_loggers(struct uw_context *ctx) {
grrwlf@1997 599 return ctx->loggers;
grrwlf@1997 600 }
grrwlf@1997 601
adamc@311 602 void uw_free(uw_context ctx) {
adamc@671 603 size_t i;
adamc@671 604
adam@1369 605 uw_buffer_free(&ctx->outHeaders);
adam@1369 606 uw_buffer_free(&ctx->script);
adam@1369 607 uw_buffer_free(&ctx->page);
adam@1369 608 uw_buffer_free(&ctx->heap);
adamc@144 609 free(ctx->inputs);
adamc@756 610 free(ctx->subinputs);
adamc@425 611 free(ctx->cleanup);
adamc@771 612 free(ctx->transactionals);
adamc@1121 613 uw_free_client_data(ctx->client_data);
adamc@671 614
adamc@682 615 for (i = 0; i < ctx->n_deltas; ++i)
adam@1369 616 uw_buffer_free(&ctx->deltas[i].msgs);
marco-oweber@1330 617 free(ctx->deltas);
adamc@671 618
adamc@1061 619 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089 620 if (ctx->globals[i].free)
adamc@1089 621 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330 622 free(ctx->globals);
adamc@1061 623
adam@1949 624 free(ctx->output_buffer);
adam@1949 625
adamc@136 626 free(ctx);
adamc@136 627 }
adamc@136 628
adamc@562 629 void uw_reset_keep_error_message(uw_context ctx) {
adam@1369 630 uw_buffer_reset(&ctx->outHeaders);
adam@1369 631 uw_buffer_reset(&ctx->script);
adamc@667 632 ctx->script.start[0] = 0;
adam@1369 633 uw_buffer_reset(&ctx->page);
adam@1451 634 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 635 uw_buffer_reset(&ctx->heap);
adamc@323 636 ctx->regions = NULL;
adamc@425 637 ctx->cleanup_front = ctx->cleanup;
adamc@682 638 ctx->used_deltas = 0;
adamc@682 639 ctx->client = NULL;
adamc@759 640 ctx->cur_container = NULL;
adamc@771 641 ctx->used_transactionals = 0;
adamc@1117 642 ctx->script_header = "";
adam@1370 643 ctx->queryString = NULL;
adam@1556 644 ctx->nextId = 0;
adam@1782 645 ctx->amInitializing = 0;
adam@1877 646 ctx->usedSig = 0;
adam@1877 647 ctx->needsResig = 0;
adamc@167 648 }
adamc@167 649
adamc@562 650 void uw_reset_keep_request(uw_context ctx) {
adamc@562 651 uw_reset_keep_error_message(ctx);
adamc@562 652 ctx->error_message[0] = 0;
adamc@167 653 }
adamc@167 654
adamc@311 655 void uw_reset(uw_context ctx) {
adamc@311 656 uw_reset_keep_request(ctx);
adamc@1105 657 if (ctx->app)
adamc@1105 658 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756 659 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adam@1461 660 ctx->used_subinputs = ctx->hasPostBody = ctx->isPost = 0;
adam@1943 661 ctx->transaction_started = 0;
adamc@144 662 }
adamc@144 663
adamc@311 664 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 665 int r = setjmp(ctx->jmp_buf);
adamc@272 666
adamc@1105 667 if (r == 0 && ctx->app)
adamc@1094 668 ctx->app->db_init(ctx);
adamc@272 669
adamc@272 670 return r;
adamc@272 671 }
adamc@272 672
adamc@1118 673 void uw_close(uw_context ctx) {
adamc@1118 674 ctx->app->db_close(ctx);
adamc@1118 675 }
adamc@1118 676
adam@1446 677 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adam@1446 678 return ctx->get_header(ctx->get_header_data, h);
adam@1446 679 }
adam@1446 680
adamc@854 681 void uw_set_headers(uw_context ctx, char *(*get_header)(void *, const char *), void *get_header_data) {
adamc@854 682 ctx->get_header = get_header;
adamc@854 683 ctx->get_header_data = get_header_data;
adamc@742 684 }
adamc@742 685
adam@1799 686 void uw_set_env(uw_context ctx, char *(*get_env)(void *, const char *), void *get_env_data) {
adam@1799 687 ctx->get_env = get_env;
adam@1799 688 ctx->get_env_data = get_env_data;
adam@1799 689 }
adam@1799 690
adamc@801 691 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801 692 va_list ap;
adamc@801 693 va_start(ap, fmt);
adamc@801 694
adamc@801 695 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801 696 }
adamc@801 697
adamc@1131 698 int uw_has_error(uw_context ctx) {
adamc@1131 699 return ctx->error_message[0] != 0;
adamc@1131 700 }
adamc@1131 701
adamc@311 702 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 703 cleanup *cl;
adamc@425 704
adamc@167 705 va_list ap;
adamc@167 706 va_start(ap, fmt);
adamc@167 707
adamc@167 708 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 709
adamc@425 710 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 711 cl->func(cl->arg);
adamc@425 712
adamc@425 713 ctx->cleanup_front = ctx->cleanup;
adamc@425 714
adamc@190 715 longjmp(ctx->jmp_buf, fk);
adamc@167 716 }
adamc@167 717
adamc@1113 718 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113 719
adamc@425 720 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 721 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 722 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 723 if (len == 0)
adamc@425 724 newLen = 1;
adamc@425 725 else
adamc@428 726 newLen = len * 2;
adamc@1113 727
adamc@1134 728 if (newLen > uw_cleanup_max) {
adamc@1113 729 if (len+1 <= uw_cleanup_max)
adamc@1113 730 newLen = uw_cleanup_max;
adamc@1113 731 else
adamc@1113 732 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134 733 }
adamc@1113 734
adamc@470 735 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 736 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 737 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 738 }
adamc@425 739
adamc@425 740 ctx->cleanup_front->func = func;
adamc@425 741 ctx->cleanup_front->arg = arg;
adamc@425 742 ++ctx->cleanup_front;
adamc@425 743 }
adamc@425 744
adam@1444 745 char *uw_Basis_htmlifyString(uw_context, const char *);
adam@1444 746
adamc@682 747 void uw_login(uw_context ctx) {
adam@1942 748 char *id_s, *pass_s;
adam@1942 749
adam@1942 750 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adam@1942 751 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adam@1942 752 unsigned id = atoi(id_s);
adam@1942 753 int pass = atoi(pass_s);
adam@1942 754 client *c = find_client(id);
adam@1942 755
adam@1942 756 if (c == NULL)
adam@1942 757 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 758 else {
adamc@685 759 use_client(c);
adamc@682 760 ctx->client = c;
adam@1942 761
adam@1942 762 if (c->mode != USED)
adam@1942 763 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adam@1942 764 if (c->pass != pass)
adam@1942 765 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@864 766 }
adam@1942 767 } else if (ctx->needs_push) {
adam@1942 768 client *c = new_client();
adam@1942 769
adam@1942 770 if (c == NULL)
adam@1942 771 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adam@1942 772
adam@1942 773 use_client(c);
adam@1942 774 uw_copy_client_data(c->data, ctx->client_data);
adam@1942 775 ctx->client = c;
adamc@682 776 }
adamc@682 777 }
adamc@682 778
adamc@671 779 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671 780 int r = setjmp(ctx->jmp_buf);
adamc@671 781
adam@1931 782 if (r == 0)
adam@1931 783 ctx->app->handle(ctx, path);
adam@1931 784
adam@1931 785 return r;
adam@1931 786 }
adam@1931 787
adam@1931 788 void uw_ensure_transaction(uw_context ctx) {
adam@1931 789 if (!ctx->transaction_started) {
adam@1936 790 if (ctx->app->db_begin(ctx, ctx->could_write_db))
adamc@671 791 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1931 792 ctx->transaction_started = 1;
adamc@671 793 }
adamc@671 794 }
adamc@671 795
adamc@772 796 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682 797 if (ctx->client == NULL)
adamc@682 798 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682 799
adamc@682 800 return ctx->client->id;
adamc@682 801 }
adamc@682 802
adamc@425 803 void uw_pop_cleanup(uw_context ctx) {
adamc@425 804 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 805 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 806
adamc@425 807 --ctx->cleanup_front;
adamc@425 808 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 809 }
adamc@425 810
adamc@311 811 char *uw_error_message(uw_context ctx) {
adamc@167 812 return ctx->error_message;
adamc@167 813 }
adamc@167 814
adamc@1115 815 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115 816 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115 817 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115 818 }
adamc@1115 819
adamc@759 820 static input *INP(uw_context ctx) {
adamc@759 821 if (ctx->cur_container == NULL)
adamc@759 822 return ctx->inputs;
adamc@759 823 else if (ctx->cur_container->kind == SUBFORM)
adamc@759 824 return ctx->cur_container->data.subform.fields;
adamc@759 825 else if (ctx->cur_container->kind == ENTRY)
adamc@759 826 return ctx->cur_container->data.entry.fields;
adamc@759 827 else
adamc@760 828 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759 829 }
adamc@759 830
adamc@760 831 static void adjust_pointer(input **ptr, input *old_start, input *new_start, size_t len) {
adamc@760 832 if (*ptr != NULL && *ptr >= old_start && *ptr < old_start + len)
adamc@760 833 *ptr += new_start - old_start;
adamc@760 834 }
adamc@760 835
adamc@760 836 static void adjust_input(input *x, input *old_start, input *new_start, size_t len) {
adamc@759 837 switch (x->kind) {
adamc@759 838 case SUBFORM:
adamc@760 839 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760 840 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759 841 break;
adamc@759 842 case SUBFORMS:
adamc@760 843 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760 844 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759 845 break;
adamc@759 846 case ENTRY:
adamc@760 847 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760 848 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760 849 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134 850 break;
adamc@1134 851 default:
adamc@1134 852 break;
phurst@1981 853 }
adamc@759 854 }
adamc@759 855
adamc@1113 856 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113 857
adamc@759 858 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759 859 size_t i;
adamc@759 860 input *r;
adamc@759 861
adamc@759 862 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113 863 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113 864 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113 865
adamc@759 866 input *new_subinputs = realloc(ctx->subinputs, sizeof(input) * (ctx->used_subinputs + len));
adamc@759 867
adamc@760 868 if (ctx->subinputs != new_subinputs) {
adamc@760 869 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760 870 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094 871 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760 872 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 873
adamc@760 874 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 875
adamc@760 876 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760 877 ctx->subinputs = new_subinputs;
adamc@760 878 }
adamc@759 879 }
adamc@759 880
adamc@759 881 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759 882
adamc@759 883 for (i = 0; i < len; ++i)
adam@1474 884 ctx->subinputs[ctx->used_subinputs++].kind = UNSET;
adamc@759 885
adamc@759 886 return r;
adamc@759 887 }
adamc@756 888
adamc@801 889 int uw_set_input(uw_context ctx, const char *name, char *value) {
adamc@1050 890 //printf("Input name %s\n", name);
adamc@1038 891
adamc@756 892 if (!strcasecmp(name, ".b")) {
adamc@1094 893 int n = ctx->app->input_num(value);
adamc@756 894 input *inps;
adamc@756 895
adamc@801 896 if (n < 0) {
adam@1444 897 uw_set_error(ctx, "Bad subform name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 898 return -1;
adamc@801 899 }
adamc@801 900
adamc@1094 901 if (n >= ctx->app->inputs_len) {
adam@1444 902 uw_set_error(ctx, "For subform name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 903 return -1;
adamc@801 904 }
adamc@756 905
adamc@1094 906 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759 907
adamc@759 908 INP(ctx)[n].kind = SUBFORM;
adamc@759 909 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759 910 INP(ctx)[n].data.subform.fields = inps;
adamc@759 911 ctx->cur_container = &INP(ctx)[n];
adamc@756 912 } else if (!strcasecmp(name, ".e")) {
adamc@756 913 input *tmp;
adamc@756 914
adamc@801 915 if (ctx->cur_container == NULL) {
adamc@801 916 uw_set_error(ctx, "Unmatched subform closer");
adamc@801 917 return -1;
adamc@801 918 }
adamc@756 919
adamc@759 920 tmp = ctx->cur_container;
adamc@759 921 switch (tmp->kind) {
adamc@759 922 case SUBFORM:
adamc@759 923 ctx->cur_container = tmp->data.subform.parent;
adamc@759 924 tmp->data.subform.parent = NULL;
adamc@759 925 break;
adamc@759 926 case SUBFORMS:
adamc@759 927 ctx->cur_container = tmp->data.subforms.parent;
adamc@759 928 tmp->data.subforms.parent = NULL;
adamc@759 929 break;
adamc@759 930 case ENTRY:
adamc@759 931 ctx->cur_container = tmp->data.entry.parent;
adamc@759 932 break;
adamc@759 933 default:
adamc@801 934 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801 935 return -1;
adamc@759 936 }
adamc@759 937 } else if (!strcasecmp(name, ".s")) {
adamc@1094 938 int n = ctx->app->input_num(value);
adamc@759 939
adamc@801 940 if (n < 0) {
adam@1444 941 uw_set_error(ctx, "Bad subforms name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 942 return -1;
adamc@801 943 }
adamc@801 944
adamc@1094 945 if (n >= ctx->app->inputs_len) {
adam@1444 946 uw_set_error(ctx, "For subforms name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 947 return -1;
adamc@801 948 }
adamc@759 949
adamc@759 950 INP(ctx)[n].kind = SUBFORMS;
adamc@759 951 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 952 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759 953 ctx->cur_container = &INP(ctx)[n];
adamc@759 954 } else if (!strcasecmp(name, ".i")) {
adamc@759 955 input *inps;
adamc@759 956
adamc@801 957 if (!ctx->cur_container) {
adamc@801 958 uw_set_error(ctx, "New entry without container");
adamc@801 959 return -1;
adamc@801 960 }
adamc@801 961
adamc@801 962 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801 963 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801 964 return -1;
adamc@801 965 }
adamc@759 966
adamc@1094 967 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759 968
adamc@759 969 inps->kind = ENTRY;
adamc@759 970 inps->data.entry.parent = ctx->cur_container;
adamc@759 971 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759 972 ctx->cur_container->data.subforms.entries = inps;
adamc@759 973
adamc@759 974 inps->data.entry.fields = inps+1;
adamc@759 975 ctx->cur_container = inps;
adamc@756 976 } else {
adamc@1094 977 int n = ctx->app->input_num(name);
adamc@756 978
adam@1384 979 if (n < 0)
adam@1384 980 return 0;
adamc@801 981
adamc@1094 982 if (n >= ctx->app->inputs_len) {
adam@1444 983 uw_set_error(ctx, "For input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801 984 return -1;
adamc@801 985 }
adamc@756 986
adamc@756 987 INP(ctx)[n].kind = NORMAL;
adamc@756 988 INP(ctx)[n].data.normal = value;
adamc@756 989 }
adamc@801 990
adamc@801 991 return 0;
adamc@144 992 }
adamc@144 993
adamc@311 994 char *uw_get_input(uw_context ctx, int n) {
adamc@169 995 if (n < 0)
adamc@311 996 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 997 if (n >= ctx->app->inputs_len)
adamc@311 998 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 999
adamc@756 1000 switch (INP(ctx)[n].kind) {
adamc@737 1001 case UNSET:
adamc@737 1002 return NULL;
adamc@739 1003 case FIL:
adamc@739 1004 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 1005 case SUBFORM:
adamc@756 1006 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 1007 case SUBFORMS:
adamc@759 1008 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 1009 case ENTRY:
adamc@759 1010 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 1011 case NORMAL:
adamc@756 1012 return INP(ctx)[n].data.normal;
adamc@737 1013 default:
adamc@737 1014 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1015 }
adamc@138 1016 }
adamc@138 1017
adamc@311 1018 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 1019 if (n < 0)
adamc@311 1020 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 1021 if (n >= ctx->app->inputs_len)
adamc@311 1022 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 1023
adamc@756 1024 switch (INP(ctx)[n].kind) {
adamc@737 1025 case UNSET:
adamc@737 1026 return "";
adamc@739 1027 case FIL:
adamc@739 1028 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 1029 case SUBFORM:
adamc@756 1030 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 1031 case SUBFORMS:
adamc@759 1032 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 1033 case ENTRY:
adamc@759 1034 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 1035 case NORMAL:
adamc@756 1036 return INP(ctx)[n].data.normal;
adamc@737 1037 default:
adamc@737 1038 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1039 }
adamc@737 1040 }
adamc@737 1041
adamc@801 1042 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094 1043 int n = ctx->app->input_num(name);
adamc@737 1044
adamc@801 1045 if (n < 0) {
adam@1444 1046 uw_set_error(ctx, "Bad file input name %s", uw_Basis_htmlifyString(ctx, name));
adamc@801 1047 return -1;
adamc@801 1048 }
adamc@801 1049
adamc@1094 1050 if (n >= ctx->app->inputs_len) {
adam@1444 1051 uw_set_error(ctx, "For file input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801 1052 return -1;
adamc@801 1053 }
adamc@737 1054
adamc@739 1055 ctx->inputs[n].kind = FIL;
adamc@739 1056 ctx->inputs[n].data.file = f;
adamc@801 1057
adamc@801 1058 return 0;
adamc@737 1059 }
adamc@737 1060
adamc@739 1061 void *uw_malloc(uw_context ctx, size_t len);
adamc@739 1062
adamc@739 1063 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737 1064 if (n < 0)
adamc@737 1065 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094 1066 if (n >= ctx->app->inputs_len)
adamc@737 1067 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737 1068
adamc@756 1069 switch (INP(ctx)[n].kind) {
adamc@737 1070 case UNSET:
adamc@737 1071 {
adamc@739 1072 char *data = uw_malloc(ctx, 0);
adamc@740 1073 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739 1074 return f;
adamc@737 1075 }
adamc@739 1076 case FIL:
adamc@756 1077 return INP(ctx)[n].data.file;
adamc@737 1078 case NORMAL:
adamc@737 1079 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756 1080 case SUBFORM:
adamc@756 1081 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759 1082 case SUBFORMS:
adamc@759 1083 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759 1084 case ENTRY:
adamc@759 1085 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737 1086 default:
adamc@737 1087 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1088 }
adamc@190 1089 }
adamc@190 1090
adamc@756 1091 void uw_enter_subform(uw_context ctx, int n) {
adamc@756 1092 if (n < 0)
adamc@756 1093 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094 1094 if (n >= ctx->app->inputs_len)
adamc@756 1095 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756 1096
adamc@756 1097 switch (INP(ctx)[n].kind) {
adamc@756 1098 case UNSET:
adamc@756 1099 uw_error(ctx, FATAL, "Missing subform");
adamc@756 1100 case FIL:
adamc@756 1101 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756 1102 case NORMAL:
adamc@756 1103 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759 1104 case SUBFORMS:
adamc@759 1105 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759 1106 case ENTRY:
adamc@759 1107 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756 1108 case SUBFORM:
adamc@759 1109 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760 1110 ctx->cur_container = &INP(ctx)[n];
adamc@756 1111 return;
adamc@756 1112 default:
adamc@756 1113 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756 1114 }
adamc@756 1115 }
adamc@756 1116
adamc@756 1117 void uw_leave_subform(uw_context ctx) {
adamc@756 1118 input *tmp;
adamc@756 1119
adamc@759 1120 if (ctx->cur_container == NULL)
adamc@756 1121 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756 1122
adamc@759 1123 tmp = ctx->cur_container;
adamc@759 1124 ctx->cur_container = tmp->data.subform.parent;
adamc@759 1125 tmp->data.subform.parent = NULL;
adamc@759 1126 }
adamc@759 1127
adamc@759 1128 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759 1129 input *inps;
adamc@759 1130
adamc@759 1131 if (n < 0)
adamc@759 1132 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094 1133 if (n >= ctx->app->inputs_len)
adamc@759 1134 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759 1135
adamc@759 1136 switch (INP(ctx)[n].kind) {
adamc@759 1137 case UNSET:
adamc@759 1138 uw_error(ctx, FATAL, "Missing subforms");
adamc@759 1139 case FIL:
adamc@759 1140 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759 1141 case NORMAL:
adamc@759 1142 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759 1143 case SUBFORM:
adamc@759 1144 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759 1145 case ENTRY:
adamc@759 1146 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759 1147 case SUBFORMS:
adamc@759 1148 inps = INP(ctx)[n].data.subforms.entries;
adamc@759 1149 if (inps) {
adamc@759 1150 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 1151 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759 1152 return 1;
adamc@759 1153 } else
adamc@759 1154 return 0;
adamc@759 1155 default:
adamc@759 1156 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1157 }
adamc@759 1158 }
adamc@759 1159
adamc@759 1160 int uw_next_entry(uw_context ctx) {
adamc@759 1161 if (ctx->cur_container == NULL)
adamc@759 1162 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759 1163
adamc@759 1164 switch (ctx->cur_container->kind) {
adamc@759 1165 case UNSET:
adamc@759 1166 uw_error(ctx, FATAL, "Missing entry");
adamc@759 1167 case FIL:
adamc@759 1168 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759 1169 case NORMAL:
adamc@759 1170 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759 1171 case SUBFORM:
adamc@759 1172 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759 1173 case SUBFORMS:
adamc@759 1174 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759 1175 case ENTRY:
adamc@759 1176 if (ctx->cur_container->data.entry.next) {
adamc@759 1177 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759 1178 return 1;
adamc@759 1179 } else {
adamc@759 1180 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759 1181 return 0;
adamc@759 1182 }
adamc@759 1183 default:
adamc@759 1184 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1185 }
adamc@756 1186 }
adamc@756 1187
adamc@643 1188 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 1189 ctx->script_header = s;
adamc@643 1190 }
adamc@643 1191
adamc@1094 1192 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094 1193 return ctx->app->url_prefix;
adamc@667 1194 }
adamc@667 1195
adamc@693 1196 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693 1197 ctx->needs_push = n;
adamc@693 1198 }
adamc@693 1199
adamc@736 1200 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736 1201 ctx->needs_sig = n;
adamc@736 1202 }
adamc@736 1203
adam@1936 1204 void uw_set_could_write_db(uw_context ctx, int n) {
adam@1936 1205 ctx->could_write_db = n;
adam@1936 1206 }
adam@1936 1207
adamc@667 1208
adam@1369 1209 static void uw_buffer_check_ctx(uw_context ctx, const char *kind, uw_buffer *b, size_t extra, const char *desc) {
adamc@666 1210 if (b->back - b->front < extra) {
adamc@666 1211 size_t desired = b->front - b->start + extra, next;
adamc@136 1212 char *new_heap;
adamc@136 1213
adamc@666 1214 next = b->back - b->start;
adamc@317 1215 if (next == 0)
adamc@317 1216 next = 1;
adamc@317 1217 for (; next < desired; next *= 2);
adamc@136 1218
adamc@1134 1219 if (next > b->max) {
adamc@1113 1220 if (desired <= b->max)
adamc@1113 1221 next = desired;
adamc@1113 1222 else
adamc@1113 1223 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134 1224 }
adamc@1113 1225
adamc@666 1226 new_heap = realloc(b->start, next);
adamc@666 1227 b->front = new_heap + (b->front - b->start);
adamc@666 1228 b->back = new_heap + next;
adamc@136 1229
adamc@667 1230 if (new_heap != b->start) {
adamc@666 1231 b->start = new_heap;
adam@1389 1232 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously; increasing size to %llu", desc, (unsigned long long)next);
adamc@136 1233 }
adamc@136 1234
adamc@666 1235 b->start = new_heap;
adamc@136 1236 }
adamc@136 1237 }
adamc@136 1238
adamc@832 1239 void uw_check_heap(uw_context ctx, size_t extra) {
adam@1369 1240 uw_buffer_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666 1241 }
adamc@666 1242
adamc@832 1243 char *uw_heap_front(uw_context ctx) {
adamc@832 1244 return ctx->heap.front;
adamc@832 1245 }
adamc@832 1246
adamc@832 1247 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832 1248 ctx->heap.front = fr;
adamc@832 1249 }
adamc@832 1250
adam@1782 1251 void uw_begin_initializing(uw_context ctx) {
adam@1782 1252 ctx->amInitializing = 1;
adam@1782 1253 }
adam@1782 1254
adam@1782 1255 void uw_end_initializing(uw_context ctx) {
adam@1782 1256 ctx->amInitializing = 0;
adam@1782 1257 }
adam@1782 1258
adam@2013 1259 static void align_heap(uw_context ctx) {
adam@2013 1260 size_t posn = ctx->heap.front - ctx->heap.start;
adam@2013 1261
adam@2017 1262 if (posn % sizeof(void *) != 0) {
adam@2017 1263 size_t bump = sizeof(void *) - posn % sizeof(void *);
adam@2013 1264 uw_check_heap(ctx, bump);
adam@2013 1265 ctx->heap.front += bump;
adam@2013 1266 }
adam@2013 1267 }
adam@2013 1268
adamc@311 1269 void *uw_malloc(uw_context ctx, size_t len) {
adam@2013 1270 // On some architectures, it's important that all word-sized memory accesses
adam@2013 1271 // be to word-aligned addresses, so we'll do a little bit of extra work here
adam@2013 1272 // in anticipation of a possible word-aligned access to the address we'll
adam@2013 1273 // return.
adam@2013 1274
adamc@136 1275 void *result;
adamc@136 1276
adam@1782 1277 if (ctx->amInitializing) {
adam@2017 1278 int error = posix_memalign(&result, sizeof(void *), len);
adam@2013 1279
adam@2013 1280 if (!error)
adam@1782 1281 return result;
adam@1782 1282 else
adam@2013 1283 uw_error(ctx, FATAL, "uw_malloc: posix_memalign() returns %d", error);
adam@1782 1284 } else {
adam@2013 1285 align_heap(ctx);
adam@2013 1286
adam@1782 1287 uw_check_heap(ctx, len);
adam@1782 1288
adam@1782 1289 result = ctx->heap.front;
adam@1782 1290 ctx->heap.front += len;
adam@1782 1291 return result;
adam@1782 1292 }
adamc@117 1293 }
adamc@117 1294
adamc@323 1295 void uw_begin_region(uw_context ctx) {
adam@2013 1296 align_heap(ctx);
adam@2013 1297
adamc@666 1298 regions *r = (regions *) ctx->heap.front;
adamc@323 1299
adamc@323 1300 uw_check_heap(ctx, sizeof(regions));
adamc@323 1301
adamc@666 1302 ctx->heap.front += sizeof(regions);
adamc@323 1303
adamc@323 1304 r->next = ctx->regions;
adamc@323 1305 ctx->regions = r;
adamc@323 1306 }
adamc@323 1307
adamc@323 1308 void uw_end_region(uw_context ctx) {
adamc@323 1309 regions *r = ctx->regions;
adamc@323 1310
adamc@323 1311 if (r == NULL)
adamc@323 1312 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 1313
adamc@666 1314 ctx->heap.front = (char *) r;
adamc@323 1315 ctx->regions = r->next;
adamc@323 1316 }
adamc@323 1317
adamc@324 1318 void uw_memstats(uw_context ctx) {
adam@1369 1319 printf("Headers: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->outHeaders), (unsigned long)uw_buffer_avail(&ctx->outHeaders));
adam@1369 1320 printf("Script: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->script), (unsigned long)uw_buffer_avail(&ctx->script));
adam@1369 1321 printf("Page: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->page), (unsigned long)uw_buffer_avail(&ctx->page));
adam@1369 1322 printf("Heap: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->heap), (unsigned long)uw_buffer_avail(&ctx->heap));
adamc@324 1323 }
adamc@324 1324
adam@1915 1325 int uw_pagelen(uw_context ctx) {
adam@1915 1326 return ctx->page.front - ctx->page.start;
adam@1915 1327 }
adam@1915 1328
adamc@311 1329 int uw_send(uw_context ctx, int sock) {
adam@1949 1330 size_t target_length = (ctx->outHeaders.front - ctx->outHeaders.start) + 2 + (ctx->page.front - ctx->page.start);
adam@1949 1331
adam@1949 1332 if (ctx->output_buffer_size < target_length) {
adam@1949 1333 do {
adam@1949 1334 ctx->output_buffer_size *= 2;
adam@1949 1335 } while (ctx->output_buffer_size < target_length);
adam@1949 1336 ctx->output_buffer = realloc(ctx->output_buffer, ctx->output_buffer_size);
adam@1949 1337 }
adam@1949 1338
adam@1949 1339 memcpy(ctx->output_buffer, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adam@1949 1340 memcpy(ctx->output_buffer + (ctx->outHeaders.front - ctx->outHeaders.start), "\r\n", 2);
adam@1949 1341 memcpy(ctx->output_buffer + (ctx->outHeaders.front - ctx->outHeaders.start) + 2, ctx->page.start, ctx->page.front - ctx->page.start);
adam@1949 1342
adam@1949 1343 return uw_really_send(sock, ctx->output_buffer, target_length);
adamc@462 1344 }
adamc@462 1345
adamc@856 1346 int uw_print(uw_context ctx, int fd) {
adamc@856 1347 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856 1348
adamc@856 1349 if (n < 0)
adamc@856 1350 return n;
adamc@856 1351
adamc@856 1352 n = uw_really_write(fd, "\r\n", 2);
adamc@856 1353
adamc@856 1354 if (n < 0)
adamc@856 1355 return n;
adamc@856 1356
adamc@856 1357 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856 1358 }
adamc@856 1359
adamc@860 1360 int uw_output(uw_context ctx, int (*output)(void *data, char *buf, size_t len), void *data) {
adamc@860 1361 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860 1362
adamc@860 1363 if (n < 0)
adamc@860 1364 return n;
adamc@860 1365
adamc@860 1366 n = output(data, "\r\n", 2);
adamc@860 1367
adamc@860 1368 if (n < 0)
adamc@860 1369 return n;
adamc@860 1370
adamc@860 1371 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860 1372 }
adamc@860 1373
adamc@462 1374 static void uw_check_headers(uw_context ctx, size_t extra) {
adam@1369 1375 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462 1376 }
adamc@462 1377
adamc@462 1378 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 1379 int len = strlen(s);
adamc@462 1380
adamc@462 1381 uw_check_headers(ctx, len + 1);
adamc@666 1382 strcpy(ctx->outHeaders.front, s);
adamc@666 1383 ctx->outHeaders.front += len;
adamc@562 1384 }
adamc@562 1385
adam@1934 1386 int uw_has_contentLength(uw_context ctx) {
adam@1934 1387 return strstr(ctx->outHeaders.start, "Content-length: ") != NULL;
adam@1934 1388 }
adam@1934 1389
adamc@1110 1390 void uw_clear_headers(uw_context ctx) {
adam@1369 1391 uw_buffer_reset(&ctx->outHeaders);
adamc@1110 1392 }
adamc@1110 1393
adam@1932 1394 void uw_Basis_clear_page(uw_context ctx) {
adam@1932 1395 uw_buffer_reset(&ctx->page);
adam@1932 1396 }
adam@1932 1397
adamc@562 1398 static void uw_check_script(uw_context ctx, size_t extra) {
adam@1369 1399 ctx_uw_buffer_check(ctx, "script", &ctx->script, extra);
adamc@562 1400 }
adamc@562 1401
adamc@562 1402 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 1403 int len = strlen(s);
adamc@562 1404
adamc@562 1405 uw_check_script(ctx, len + 1);
adamc@666 1406 strcpy(ctx->script.front, s);
adamc@666 1407 ctx->script.front += len;
adamc@562 1408 }
adamc@562 1409
adam@1446 1410 const char *uw_get_real_script(uw_context ctx) {
adam@1671 1411 if (strstr(ctx->outHeaders.start, "Set-Cookie: ")) {
adam@1671 1412 uw_write_script(ctx, "sig=\"");
adam@1671 1413 uw_write_script(ctx, ctx->app->cookie_sig(ctx));
adam@1671 1414 uw_write_script(ctx, "\";");
adam@1671 1415 }
adam@1671 1416
adam@1446 1417 return ctx->script.start;
adam@1446 1418 }
adam@1446 1419
adamc@695 1420 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695 1421 if (s[0] == 0)
adamc@695 1422 return "";
adamc@695 1423 else {
adamc@695 1424 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695 1425 sprintf(r, " onload='%s'", s);
adamc@695 1426 return r;
adamc@695 1427 }
adamc@695 1428 }
adamc@695 1429
adamc@1042 1430 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042 1431 if (ctx->script_header[0] == 0)
adamc@1042 1432 return "";
adamc@1042 1433 else {
vshabanoff@1763 1434 char *r = uw_malloc(ctx, 37 + strlen(s));
vshabanoff@1763 1435 sprintf(r, " onunload='unloading=true;%s;unload()'", s);
adamc@1042 1436 return r;
adamc@1042 1437 }
adamc@1042 1438 }
adamc@1042 1439
adamc@694 1440 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736 1441 if (ctx->client == NULL) {
adamc@736 1442 if (ctx->needs_sig) {
adamc@1094 1443 char *sig = ctx->app->cookie_sig(ctx);
adamc@736 1444 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736 1445 sprintf(r, "sig=\"%s\";", sig);
adamc@736 1446 return r;
adamc@736 1447 }
adamc@736 1448 else
adamc@736 1449 return "";
adamc@736 1450 } else {
adamc@1094 1451 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094 1452 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736 1453 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adam@1552 1454 sprintf(r, "isPost=%s;client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adam@1552 1455 (ctx->isPost ? "true" : "false"),
adamc@682 1456 ctx->client->id,
adamc@682 1457 ctx->client->pass,
adamc@1094 1458 ctx->app->url_prefix,
adamc@1094 1459 ctx->app->timeout,
adamc@736 1460 ctx->needs_sig ? "sig=\"" : "",
adamc@736 1461 sig,
adamc@736 1462 ctx->needs_sig ? "\";" : "");
adamc@679 1463 return r;
adamc@668 1464 }
adamc@667 1465 }
adamc@667 1466
adamc@574 1467 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 1468 char *r, *s2;
adamc@574 1469
adam@1446 1470 uw_check_heap(ctx, strlen(s) * 4 + 3);
adamc@574 1471
adamc@666 1472 r = s2 = ctx->heap.front;
adamc@574 1473 *s2++ = '"';
adamc@574 1474
adamc@574 1475 for (; *s; s++) {
adam@1286 1476 unsigned char c = *s;
adamc@574 1477
adamc@574 1478 switch (c) {
adamc@574 1479 case '"':
adamc@574 1480 strcpy(s2, "\\\"");
adamc@574 1481 s2 += 2;
adamc@574 1482 break;
adamc@1027 1483 case '\'':
adamc@1027 1484 strcpy(s2, "\\047");
adamc@1027 1485 s2 += 4;
adamc@1027 1486 break;
adamc@574 1487 case '\\':
adamc@574 1488 strcpy(s2, "\\\\");
adamc@574 1489 s2 += 2;
adamc@574 1490 break;
adam@1457 1491 case '<':
adam@1457 1492 strcpy(s2, "\\074");
adam@1457 1493 s2 += 4;
adam@1457 1494 break;
adamc@574 1495 default:
adam@1286 1496 if (isprint((int)c) || c >= 128)
adamc@574 1497 *s2++ = c;
adamc@574 1498 else {
adam@1429 1499 sprintf(s2, "\\%03o", c);
adamc@574 1500 s2 += 4;
adamc@574 1501 }
adamc@574 1502 }
adamc@574 1503 }
adamc@574 1504
adamc@574 1505 strcpy(s2, "\"");
adamc@910 1506 ctx->heap.front = s2 + 2;
adamc@574 1507 return r;
adamc@574 1508 }
adamc@574 1509
adam@1286 1510 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286 1511 unsigned char c = c1;
adamc@1025 1512 char *r, *s2;
adamc@1025 1513
adam@1446 1514 uw_check_heap(ctx, 7);
adamc@1025 1515
adamc@1025 1516 r = s2 = ctx->heap.front;
adamc@1025 1517 *s2++ = '"';
adamc@1025 1518
adamc@1025 1519 switch (c) {
adamc@1025 1520 case '"':
adamc@1025 1521 strcpy(s2, "\\\"");
adamc@1025 1522 s2 += 2;
adamc@1025 1523 break;
adamc@1027 1524 case '\'':
adamc@1027 1525 strcpy(s2, "\\047");
adamc@1027 1526 s2 += 4;
adamc@1027 1527 break;
adamc@1025 1528 case '\\':
adamc@1025 1529 strcpy(s2, "\\\\");
adamc@1025 1530 s2 += 2;
adamc@1025 1531 break;
adam@1457 1532 case '<':
adam@1457 1533 strcpy(s2, "\\074");
adam@1457 1534 s2 += 4;
adam@1457 1535 break;
adamc@1025 1536 default:
adam@1286 1537 if (isprint((int)c) || c >= 128)
adamc@1025 1538 *s2++ = c;
adamc@1025 1539 else {
adam@1429 1540 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1025 1541 s2 += 4;
adamc@1025 1542 }
adamc@1025 1543 }
adamc@1025 1544
adamc@1025 1545 strcpy(s2, "\"");
adamc@1025 1546 ctx->heap.front = s2 + 2;
adamc@1025 1547 return r;
adamc@1025 1548 }
adamc@1025 1549
adamc@574 1550 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 1551 char *r, *s2;
adamc@574 1552
adam@1446 1553 uw_check_script(ctx, strlen(s) * 4 + 3);
adamc@574 1554
adamc@666 1555 r = s2 = ctx->script.front;
adamc@574 1556 *s2++ = '"';
adamc@574 1557
adamc@574 1558 for (; *s; s++) {
adam@1286 1559 unsigned char c = *s;
adamc@574 1560
adamc@574 1561 switch (c) {
adamc@577 1562 case '\'':
adamc@1027 1563 strcpy(s2, "\\");
adamc@574 1564 s2 += 2;
adamc@574 1565 break;
adamc@574 1566 case '\\':
adamc@574 1567 strcpy(s2, "\\\\");
adamc@574 1568 s2 += 2;
adamc@574 1569 break;
adam@1457 1570 case '<':
adam@1457 1571 strcpy(s2, "\\074");
adam@1457 1572 s2 += 4;
adam@1457 1573 break;
adamc@574 1574 default:
adam@1286 1575 if (isprint((int)c) || c >= 128)
adamc@574 1576 *s2++ = c;
adamc@574 1577 else {
adam@1429 1578 sprintf(s2, "\\%03o", c);
adamc@574 1579 s2 += 4;
adamc@574 1580 }
adamc@574 1581 }
adamc@574 1582 }
adamc@574 1583
adamc@574 1584 strcpy(s2, "\"");
adamc@666 1585 ctx->script.front = s2 + 1;
adamc@574 1586 return r;
adamc@574 1587 }
adamc@574 1588
adamc@682 1589 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1590 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1591 return "null";
adamc@682 1592 else {
adamc@682 1593 int len;
adamc@682 1594 char *r;
adamc@682 1595
adamc@682 1596 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1597 r = ctx->heap.front;
adamc@682 1598 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1599 ctx->heap.front += len+1;
adamc@682 1600 return r;
adamc@682 1601 }
adamc@682 1602 }
adamc@682 1603
adam@1446 1604 uw_Basis_source uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 1605 int len;
adamc@577 1606 size_t s_len = strlen(s);
adamc@562 1607
grrwlf@1998 1608 if(ctx->id < 0)
grrwlf@1998 1609 uw_error(ctx, FATAL, "Attempt to create client source using inappropriate context");
grrwlf@1998 1610
adam@1446 1611 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1612 sprintf(ctx->script.front, "s%d_%llu=sc(exec(%n", ctx->id, ctx->source_count, &len);
adamc@666 1613 ctx->script.front += len;
adamc@666 1614 strcpy(ctx->script.front, s);
adamc@666 1615 ctx->script.front += s_len;
adamc@970 1616 strcpy(ctx->script.front, "));");
adamc@972 1617 ctx->script.front += 3;
adamc@562 1618
adam@1446 1619 uw_Basis_source r = {ctx->id, ctx->source_count++};
adam@1446 1620 return r;
adam@1446 1621 }
adam@1446 1622
adam@1446 1623 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_source src, uw_Basis_string s) {
adamc@577 1624 int len;
adamc@577 1625 size_t s_len = strlen(s);
adamc@577 1626
adam@1446 1627 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1628 sprintf(ctx->script.front, "sv(s%d_%llu,exec(%n", src.context, src.source, &len);
adamc@666 1629 ctx->script.front += len;
adamc@666 1630 strcpy(ctx->script.front, s);
adamc@666 1631 ctx->script.front += s_len;
adamc@970 1632 strcpy(ctx->script.front, "));");
adamc@972 1633 ctx->script.front += 3;
adamc@577 1634
adamc@577 1635 return uw_unit_v;
adamc@577 1636 }
adamc@577 1637
adamc@311 1638 static void uw_check(uw_context ctx, size_t extra) {
adam@1369 1639 ctx_uw_buffer_check(ctx, "page", &ctx->page, extra);
adamc@117 1640 }
adamc@117 1641
adamc@311 1642 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 1643 *(ctx->page.front)++ = c;
adam@1413 1644 *ctx->page.front = 0;
adamc@117 1645 }
adamc@117 1646
adamc@311 1647 void uw_writec(uw_context ctx, char c) {
adam@1413 1648 uw_check(ctx, 2);
adamc@311 1649 uw_writec_unsafe(ctx, c);
adamc@117 1650 }
adamc@117 1651
adamc@311 1652 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 1653 int len = strlen(s);
adamc@666 1654 memcpy(ctx->page.front, s, len);
adamc@666 1655 ctx->page.front += len;
adamc@117 1656 }
adamc@117 1657
adamc@311 1658 void uw_write(uw_context ctx, const char* s) {
adamc@311 1659 uw_check(ctx, strlen(s) + 1);
adamc@311 1660 uw_write_unsafe(ctx, s);
adamc@666 1661 *ctx->page.front = 0;
adamc@102 1662 }
adamc@106 1663
adamc@311 1664 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 1665 char *result;
adamc@136 1666 int len;
adamc@311 1667 uw_check_heap(ctx, INTS_MAX);
adamc@666 1668 result = ctx->heap.front;
adamc@276 1669 sprintf(result, "%lld%n", n, &len);
adamc@666 1670 ctx->heap.front += len+1;
adamc@136 1671 return result;
adamc@106 1672 }
adamc@106 1673
adamc@311 1674 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 1675 char *result;
adamc@136 1676 int len;
adamc@311 1677 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1678 result = ctx->heap.front;
adam@1920 1679 sprintf(result, "%.16g%n", n, &len);
adamc@666 1680 ctx->heap.front += len+1;
adamc@136 1681 return result;
adamc@106 1682 }
adamc@106 1683
adamc@311 1684 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 1685 int len = strlen(s);
adamc@136 1686 char *result, *p;
adamc@311 1687 uw_check_heap(ctx, len * 6 + 1);
adamc@136 1688
adamc@666 1689 result = p = ctx->heap.front;
adamc@136 1690
adamc@136 1691 for (; *s; s++) {
adamc@1054 1692 unsigned char c = *s;
adamc@136 1693
adamc@136 1694 if (c == '"') {
adamc@136 1695 strcpy(p, "&quot;");
adamc@136 1696 p += 6;
adamc@136 1697 } else if (c == '&') {
adamc@136 1698 strcpy(p, "&amp;");
adamc@136 1699 p += 5;
adamc@136 1700 }
adamc@1059 1701 else
adamc@136 1702 *p++ = c;
adamc@136 1703 }
adamc@136 1704
adamc@137 1705 *p++ = 0;
adamc@666 1706 ctx->heap.front = p;
adamc@136 1707 return result;
adamc@106 1708 }
adamc@106 1709
adamc@1011 1710 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 1711 char *result, *p;
adamc@1011 1712 uw_check_heap(ctx, 7);
adamc@1011 1713
adamc@1011 1714 result = p = ctx->heap.front;
adamc@1011 1715
adamc@1011 1716 if (c == '"') {
adamc@1011 1717 strcpy(p, "&quot;");
adamc@1011 1718 p += 6;
adamc@1011 1719 } else if (c == '&') {
adamc@1011 1720 strcpy(p, "&amp;");
adamc@1011 1721 p += 5;
adamc@1011 1722 }
adamc@1059 1723 else
adamc@1011 1724 *p++ = c;
adamc@1011 1725
adamc@1011 1726 *p++ = 0;
adamc@1011 1727 ctx->heap.front = p;
adamc@1011 1728 return result;
adamc@1011 1729 }
adamc@1011 1730
adamc@721 1731 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721 1732 return s;
adamc@721 1733 }
adamc@721 1734
adamc@311 1735 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 1736 int len;
adamc@117 1737
adamc@666 1738 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1739 ctx->page.front += len;
adamc@106 1740 }
adamc@106 1741
adamc@428 1742 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1743 uw_check(ctx, INTS_MAX);
adamc@311 1744 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 1745
adamc@428 1746 return uw_unit_v;
adamc@106 1747 }
adamc@106 1748
adamc@428 1749 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 1750 int len;
adamc@117 1751
adamc@311 1752 uw_check(ctx, FLOATS_MAX);
adamc@666 1753 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1754 ctx->page.front += len;
adamc@428 1755
adamc@428 1756 return uw_unit_v;
adamc@117 1757 }
adamc@117 1758
adamc@428 1759 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1760 uw_check(ctx, strlen(s) * 6);
adamc@117 1761
adamc@106 1762 for (; *s; s++) {
adamc@1054 1763 unsigned char c = *s;
adamc@106 1764
adamc@106 1765 if (c == '"')
adamc@311 1766 uw_write_unsafe(ctx, "&quot;");
adamc@136 1767 else if (c == '&')
adamc@311 1768 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1769 else
adamc@311 1770 uw_writec_unsafe(ctx, c);
adamc@106 1771 }
adamc@428 1772
adamc@428 1773 return uw_unit_v;
adamc@106 1774 }
adamc@120 1775
adamc@1011 1776 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011 1777 uw_check(ctx, 6);
adamc@1011 1778
adamc@1011 1779 if (c == '"')
adamc@1011 1780 uw_write_unsafe(ctx, "&quot;");
adamc@1011 1781 else if (c == '&')
adamc@1011 1782 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1783 else
adamc@1011 1784 uw_writec_unsafe(ctx, c);
adamc@1011 1785
adamc@1011 1786 return uw_unit_v;
adamc@1011 1787 }
adamc@1011 1788
adamc@120 1789
adamc@311 1790 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 1791 int len;
adamc@137 1792 char *r;
adamc@137 1793
adamc@311 1794 uw_check_heap(ctx, INTS_MAX);
adamc@666 1795 r = ctx->heap.front;
adamc@276 1796 sprintf(r, "%lld%n", n, &len);
adamc@666 1797 ctx->heap.front += len+1;
adamc@137 1798 return r;
adamc@120 1799 }
adamc@120 1800
adamc@682 1801 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1802 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1803 return "";
adamc@682 1804 else {
adamc@682 1805 int len;
adamc@682 1806 char *r;
adamc@679 1807
adamc@682 1808 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1809 r = ctx->heap.front;
adamc@682 1810 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1811 ctx->heap.front += len+1;
adamc@682 1812 return r;
adamc@682 1813 }
adamc@679 1814 }
adamc@679 1815
adamc@311 1816 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 1817 int len;
adamc@137 1818 char *r;
adamc@137 1819
adamc@311 1820 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1821 r = ctx->heap.front;
adamc@137 1822 sprintf(r, "%g%n", n, &len);
adamc@666 1823 ctx->heap.front += len+1;
adamc@137 1824 return r;
adamc@120 1825 }
adamc@120 1826
adamc@311 1827 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1828 char *r, *p;
adamc@137 1829
adamc@925 1830 if (s[0] == '\0')
adamc@925 1831 return "_";
adamc@925 1832
adamc@925 1833 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925 1834
adamc@925 1835 r = p = ctx->heap.front;
adamc@925 1836 if (s[0] == '_')
adamc@925 1837 *p++ = '_';
adamc@925 1838
adamc@925 1839 for (; *s; s++) {
adamc@1087 1840 unsigned char c = *s;
adamc@137 1841
adamc@137 1842 if (c == ' ')
adamc@137 1843 *p++ = '+';
adamc@137 1844 else if (isalnum(c))
adamc@137 1845 *p++ = c;
adamc@137 1846 else {
adamc@1259 1847 sprintf(p, ".%02X", c);
adamc@137 1848 p += 3;
adamc@137 1849 }
adamc@137 1850 }
adamc@137 1851
adamc@137 1852 *p++ = 0;
adamc@666 1853 ctx->heap.front = p;
adamc@137 1854 return r;
adamc@120 1855 }
adamc@120 1856
adamc@311 1857 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1858 if (b == uw_Basis_False)
adamc@186 1859 return "0";
adamc@186 1860 else
adamc@186 1861 return "1";
adamc@186 1862 }
adamc@186 1863
adam@1620 1864 char *uw_Basis_urlifySource(uw_context ctx, uw_Basis_source src) {
adam@1620 1865 char *r;
adam@1620 1866 int len;
adam@1620 1867 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1620 1868 r = ctx->heap.front;
adam@1620 1869 sprintf(r, "%d/%llu%n", src.context, src.source, &len);
adam@1620 1870 ctx->heap.front += len+1;
adam@1620 1871 return r;
adam@1620 1872 }
adam@1620 1873
adamc@311 1874 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1875 int len;
adamc@120 1876
adamc@666 1877 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1878 ctx->page.front += len;
adamc@120 1879 }
adamc@120 1880
adamc@428 1881 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1882 uw_check(ctx, INTS_MAX);
adamc@311 1883 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1884
adamc@428 1885 return uw_unit_v;
adamc@120 1886 }
adamc@120 1887
adamc@682 1888 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1889 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1890 int len;
phurst@1981 1891
adamc@682 1892 uw_check(ctx, INTS_MAX + 1);
adamc@682 1893 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1894 ctx->page.front += len;
adamc@682 1895 }
phurst@1981 1896
adamc@679 1897 return uw_unit_v;
adamc@679 1898 }
adamc@679 1899
adamc@428 1900 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1901 int len;
adamc@120 1902
adamc@311 1903 uw_check(ctx, FLOATS_MAX);
adamc@666 1904 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1905 ctx->page.front += len;
adamc@428 1906
adamc@428 1907 return uw_unit_v;
adamc@120 1908 }
adamc@120 1909
adamc@488 1910 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@1376 1911 return uw_Basis_urlifyInt(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adamc@488 1912 }
adamc@488 1913
adam@1404 1914 uw_unit uw_Basis_urlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1404 1915 return uw_Basis_urlifyInt_w(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adam@1404 1916 }
adam@1404 1917
adamc@428 1918 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925 1919 if (s[0] == '\0') {
adamc@925 1920 uw_check(ctx, 1);
adamc@925 1921 uw_writec_unsafe(ctx, '_');
adamc@925 1922 return uw_unit_v;
adamc@925 1923 }
adamc@925 1924
adamc@925 1925 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925 1926
adamc@925 1927 if (s[0] == '_')
adamc@925 1928 uw_writec_unsafe(ctx, '_');
adamc@120 1929
adamc@120 1930 for (; *s; s++) {
adamc@1087 1931 unsigned char c = *s;
adamc@120 1932
adamc@120 1933 if (c == ' ')
adamc@311 1934 uw_writec_unsafe(ctx, '+');
adamc@120 1935 else if (isalnum(c))
adamc@311 1936 uw_writec_unsafe(ctx, c);
adamc@120 1937 else {
adamc@1259 1938 sprintf(ctx->page.front, ".%02X", c);
adamc@666 1939 ctx->page.front += 3;
adamc@120 1940 }
adamc@120 1941 }
adamc@428 1942
adamc@428 1943 return uw_unit_v;
adamc@120 1944 }
adamc@120 1945
adamc@428 1946 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1947 if (b == uw_Basis_False)
adamc@311 1948 uw_writec(ctx, '0');
adamc@186 1949 else
adamc@311 1950 uw_writec(ctx, '1');
adamc@428 1951
adamc@428 1952 return uw_unit_v;
adamc@186 1953 }
adamc@186 1954
adam@1620 1955 uw_unit uw_Basis_urlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1620 1956 int len;
phurst@1981 1957
adam@1620 1958 uw_check(ctx, 2 * INTS_MAX + 2);
adam@1620 1959 sprintf(ctx->page.front, "%d/%llu%n", src.context, src.source, &len);
adam@1620 1960 ctx->page.front += len;
phurst@1981 1961
adam@1620 1962 return uw_unit_v;
adam@1620 1963 }
adam@1620 1964
adamc@120 1965
adamc@311 1966 static char *uw_unurlify_advance(char *s) {
adamc@144 1967 char *new_s = strchr(s, '/');
adamc@120 1968
adamc@120 1969 if (new_s)
adamc@120 1970 *new_s++ = 0;
adamc@120 1971 else
adamc@144 1972 new_s = strchr(s, 0);
adamc@144 1973
adamc@144 1974 return new_s;
adamc@144 1975 }
adamc@144 1976
adamc@311 1977 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 1978 char *new_s = uw_unurlify_advance(*s);
adamc@311 1979 uw_Basis_int r;
adamc@120 1980
adamc@276 1981 r = atoll(*s);
adamc@120 1982 *s = new_s;
adamc@120 1983 return r;
adamc@120 1984 }
adamc@120 1985
adamc@311 1986 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 1987 char *new_s = uw_unurlify_advance(*s);
adamc@311 1988 uw_Basis_float r;
adamc@120 1989
adamc@120 1990 r = atof(*s);
adamc@120 1991 *s = new_s;
adamc@120 1992 return r;
adamc@120 1993 }
adamc@120 1994
adamc@488 1995 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adam@1365 1996 uw_Basis_int n = uw_Basis_unurlifyInt(ctx, s);
adam@1365 1997 uw_Basis_time r = {n / 1000000, n % 1000000};
adam@1365 1998 return r;
adamc@488 1999 }
adamc@488 2000
adamc@1023 2001 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char *r, char *s) {
adamc@927 2002 char *s1, *s2 = s;
adamc@144 2003 int n;
adamc@136 2004
adamc@1023 2005 if (!fromClient) {
adamc@1023 2006 if (*s2 == '_')
adamc@1023 2007 ++s2;
adamc@1259 2008 else if ((s2[0] == '%' || s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@1023 2009 s2 += 3;
adamc@1023 2010 }
adamc@925 2011
adamc@927 2012 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087 2013 unsigned char c = *s2;
adamc@136 2014
adamc@136 2015 switch (c) {
adamc@136 2016 case '+':
adamc@136 2017 *s1 = ' ';
adamc@136 2018 break;
adamc@136 2019 case '%':
adamc@169 2020 if (s2[1] == 0)
adamc@311 2021 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 2022 if (s2[2] == 0)
adamc@311 2023 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 2024 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 2025 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@136 2026 *s1 = n;
adamc@136 2027 s2 += 2;
adamc@136 2028 break;
adamc@1259 2029 case '.':
adamc@1259 2030 if (!fromClient) {
adamc@1259 2031 if (s2[1] == 0)
adamc@1259 2032 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259 2033 if (s2[2] == 0)
adamc@1259 2034 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259 2035 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 2036 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@1259 2037 *s1 = n;
adamc@1259 2038 s2 += 2;
adamc@1259 2039 break;
adamc@1259 2040 }
adamc@136 2041 default:
adamc@136 2042 *s1 = c;
adamc@136 2043 }
adamc@136 2044 }
adamc@136 2045 *s1++ = 0;
adamc@144 2046 return s1;
adamc@144 2047 }
adamc@144 2048
adamc@311 2049 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 2050 char *new_s = uw_unurlify_advance(*s);
adamc@311 2051 uw_Basis_bool r;
phurst@1981 2052
adamc@186 2053 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 2054 r = uw_Basis_False;
adamc@186 2055 else
adamc@311 2056 r = uw_Basis_True;
adamc@186 2057
adamc@186 2058 *s = new_s;
adamc@186 2059 return r;
adamc@186 2060 }
adamc@186 2061
adamc@311 2062 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 2063 char *new_s = uw_unurlify_advance(*s);
adamc@1134 2064 char *r;
adamc@1134 2065 int len;
adamc@144 2066
adamc@200 2067 len = strlen(*s);
adamc@311 2068 uw_check_heap(ctx, len + 1);
adamc@144 2069
adamc@666 2070 r = ctx->heap.front;
adamc@1023 2071 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023 2072 *s = new_s;
adamc@1023 2073 return r;
adamc@1023 2074 }
adamc@1023 2075
adamc@1109 2076 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109 2077 *s = uw_unurlify_advance(*s);
adamc@1109 2078 return uw_unit_v;
adamc@1109 2079 }
adamc@1109 2080
adamc@1023 2081 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023 2082 char *new_s = uw_unurlify_advance(*s);
adamc@1134 2083 char *r;
adamc@1134 2084 int len;
adamc@1023 2085
adamc@1023 2086 len = strlen(*s);
adamc@1023 2087 uw_check_heap(ctx, len + 1);
adamc@1023 2088
adamc@1023 2089 r = ctx->heap.front;
adamc@1023 2090 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136 2091 *s = new_s;
adamc@136 2092 return r;
adamc@120 2093 }
adamc@135 2094
adamc@135 2095
adamc@311 2096 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 2097 int len;
adamc@286 2098 char *r;
adamc@286 2099
adamc@311 2100 uw_check_heap(ctx, INTS_MAX);
adamc@666 2101 r = ctx->heap.front;
adamc@286 2102 sprintf(r, "%lld%n", n, &len);
adamc@666 2103 ctx->heap.front += len+1;
adamc@286 2104 return r;
adamc@286 2105 }
adamc@286 2106
adamc@428 2107 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 2108 int len;
adamc@286 2109
adamc@311 2110 uw_check(ctx, INTS_MAX);
adamc@666 2111 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 2112 ctx->page.front += len;
phurst@1981 2113
adamc@428 2114 return uw_unit_v;
adamc@286 2115 }
adamc@286 2116
adam@1358 2117 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358 2118 unsigned int n = ch;
adam@1358 2119 int len;
adam@1358 2120 char *r;
adam@1358 2121
adam@1358 2122 uw_check_heap(ctx, INTS_MAX+3);
adam@1358 2123 r = ctx->heap.front;
adam@1358 2124 sprintf(r, "&#%u;%n", n, &len);
adam@1358 2125 ctx->heap.front += len+1;
adam@1358 2126 return r;
adam@1358 2127 }
adam@1358 2128
adam@1358 2129 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358 2130 unsigned int n = ch;
adam@1358 2131 int len;
adam@1358 2132
adam@1358 2133 uw_check(ctx, INTS_MAX+3);
adam@1358 2134 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358 2135 ctx->page.front += len;
adam@1358 2136 return uw_unit_v;
adam@1358 2137 }
adam@1358 2138
adamc@311 2139 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 2140 int len;
adamc@286 2141 char *r;
adamc@286 2142
adamc@311 2143 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2144 r = ctx->heap.front;
adamc@286 2145 sprintf(r, "%g%n", n, &len);
adamc@666 2146 ctx->heap.front += len+1;
adamc@286 2147 return r;
adamc@286 2148 }
adamc@286 2149
adamc@428 2150 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 2151 int len;
adamc@286 2152
adamc@311 2153 uw_check(ctx, FLOATS_MAX);
adamc@666 2154 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 2155 ctx->page.front += len;
adamc@428 2156
adamc@428 2157 return uw_unit_v;
adamc@286 2158 }
adamc@286 2159
adam@1365 2160 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time t) {
adam@1360 2161 int len;
adam@1360 2162 char *r;
adam@1360 2163
adam@1360 2164 uw_check_heap(ctx, INTS_MAX);
adam@1360 2165 r = ctx->heap.front;
adamc@1377 2166 sprintf(r, "%lld%n", (uw_Basis_int)t.seconds * 1000000 + t.microseconds, &len);
adam@1360 2167 ctx->heap.front += len+1;
adam@1360 2168 return r;
adam@1360 2169 }
adam@1360 2170
adam@1365 2171 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_int n) {
adam@1360 2172 int len;
adam@1360 2173
adam@1360 2174 uw_check(ctx, INTS_MAX);
adam@1360 2175 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360 2176 ctx->page.front += len;
phurst@1981 2177
adam@1360 2178 return uw_unit_v;
adam@1360 2179 }
adam@1360 2180
adam@1444 2181 char *uw_Basis_htmlifyString(uw_context ctx, const char *s) {
adamc@137 2182 char *r, *s2;
adamc@137 2183
adamc@311 2184 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 2185
adamc@666 2186 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054 2187 unsigned char c = *s;
adamc@137 2188
adamc@137 2189 switch (c) {
adamc@137 2190 case '<':
adamc@137 2191 strcpy(s2, "&lt;");
adamc@137 2192 s2 += 4;
adamc@137 2193 break;
adamc@137 2194 case '&':
adamc@137 2195 strcpy(s2, "&amp;");
adamc@137 2196 s2 += 5;
adamc@137 2197 break;
adamc@137 2198 default:
adamc@1059 2199 *s2++ = c;
adamc@137 2200 }
adamc@137 2201 }
adamc@137 2202
adamc@137 2203 *s2++ = 0;
adamc@666 2204 ctx->heap.front = s2;
adamc@137 2205 return r;
adamc@135 2206 }
adamc@135 2207
adamc@428 2208 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 2209 uw_check(ctx, strlen(s) * 6);
adamc@135 2210
adamc@135 2211 for (; *s; s++) {
adamc@1054 2212 unsigned char c = *s;
adamc@135 2213
adamc@135 2214 switch (c) {
adamc@135 2215 case '<':
adamc@311 2216 uw_write_unsafe(ctx, "&lt;");
adamc@135 2217 break;
adamc@135 2218 case '&':
adamc@311 2219 uw_write_unsafe(ctx, "&amp;");
adamc@135 2220 break;
adamc@135 2221 default:
adamc@1059 2222 uw_writec_unsafe(ctx, c);
adamc@135 2223 }
adamc@135 2224 }
adamc@428 2225
adamc@428 2226 return uw_unit_v;
adamc@135 2227 }
adamc@180 2228
adamc@311 2229 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2230 if (b == uw_Basis_False)
adamc@286 2231 return "False";
adamc@286 2232 else
adamc@286 2233 return "True";
adamc@286 2234 }
adamc@286 2235
adamc@428 2236 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 2237 if (b == uw_Basis_False) {
adamc@311 2238 uw_check(ctx, 6);
adamc@666 2239 strcpy(ctx->page.front, "False");
adamc@666 2240 ctx->page.front += 5;
adamc@286 2241 } else {
adamc@311 2242 uw_check(ctx, 5);
adamc@666 2243 strcpy(ctx->page.front, "True");
adamc@666 2244 ctx->page.front += 4;
adamc@286 2245 }
adamc@428 2246
adamc@428 2247 return uw_unit_v;
adamc@286 2248 }
adamc@286 2249
adamc@436 2250 #define TIME_FMT "%x %X"
adamc@438 2251 #define TIME_FMT_PG "%Y-%m-%d %T"
adam@1632 2252 #define TIME_FMT_JS "%Y/%m/%d %T"
adamc@436 2253
adam@1629 2254 uw_Basis_string uw_Basis_timeToString(uw_context, uw_Basis_time);
adam@1629 2255
adamc@436 2256 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adam@1629 2257 return uw_Basis_htmlifyString(ctx, uw_Basis_timeToString(ctx, t));
adamc@436 2258 }
adamc@436 2259
adamc@436 2260 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1629 2261 return uw_Basis_htmlifyString_w(ctx, uw_Basis_timeToString(ctx, t));
adamc@436 2262 }
adamc@436 2263
adam@1446 2264 char *uw_Basis_htmlifySource(uw_context ctx, uw_Basis_source src) {
adam@1446 2265 int len;
adam@1446 2266 char *r;
adam@1446 2267
adam@1446 2268 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1446 2269 r = ctx->heap.front;
adam@1446 2270 sprintf(r, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2271 ctx->heap.front += len+1;
adam@1446 2272 return r;
adam@1446 2273 }
adam@1446 2274
adam@1446 2275 uw_unit uw_Basis_htmlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1446 2276 int len;
adam@1446 2277
adam@1446 2278 uw_check(ctx, 2 * INTS_MAX + 1);
adam@1446 2279 sprintf(ctx->page.front, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2280 ctx->page.front += len;
phurst@1981 2281
adam@1446 2282 return uw_unit_v;
adam@1446 2283 }
adam@1446 2284
adamc@821 2285 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2286 while (n >= 0) {
adam@1388 2287 if (*s == 0)
adam@1388 2288 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adam@1388 2289
adam@1388 2290 if (n == 0)
adam@1388 2291 return *s;
adam@1388 2292
adam@1388 2293 --n;
adam@1388 2294 ++s;
adam@1388 2295 }
adam@1388 2296
adam@1388 2297 uw_error(ctx, FATAL, "Negative strsub bound");
adamc@821 2298 }
adamc@821 2299
adamc@821 2300 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2301 while (n >= 0) {
adam@1388 2302 if (*s == 0 || n == 0)
adam@1388 2303 return s;
adam@1388 2304
adam@1388 2305 --n;
adam@1388 2306 ++s;
adam@1388 2307 }
adam@1388 2308
adam@1388 2309 uw_error(ctx, FATAL, "Negative strsuffix bound");
adamc@821 2310 }
adamc@821 2311
adamc@828 2312 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 2313 return strlen(s);
adamc@828 2314 }
adamc@828 2315
adam@1388 2316 uw_Basis_bool uw_Basis_strlenGe(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2317 while (n > 0) {
adam@1388 2318 if (*s == 0)
adam@1388 2319 return uw_Basis_False;
adam@1388 2320
adam@1388 2321 --n;
adam@1388 2322 ++s;
adam@1388 2323 }
adam@1388 2324
adam@1388 2325 return uw_Basis_True;
adam@1388 2326 }
adam@1388 2327
adamc@829 2328 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2329 return strchr(s, ch);
adamc@829 2330 }
adamc@829 2331
adamc@831 2332 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 2333 return strcspn(s, chs);
adamc@831 2334 }
adamc@831 2335
adamc@829 2336 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2337 uw_Basis_string r = strchr(s, ch);
adamc@829 2338 if (r == NULL)
adamc@829 2339 return NULL;
adamc@829 2340 else {
adamc@829 2341 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 2342 *nr = r - s;
adamc@829 2343 return nr;
adamc@829 2344 }
adamc@829 2345 }
adamc@829 2346
adam@1390 2347 uw_Basis_int *uw_Basis_strsindex(uw_context ctx, const char *haystack, const char *needle) {
adam@1390 2348 uw_Basis_string r = strstr(haystack, needle);
adam@1390 2349 if (r == NULL)
adam@1390 2350 return NULL;
adam@1390 2351 else {
adam@1390 2352 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adam@1390 2353 *nr = r - haystack;
adam@1390 2354 return nr;
adam@1390 2355 }
adam@1390 2356 }
adam@1390 2357
adamc@311 2358 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 2359 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 2360 char *s;
adamc@180 2361
adamc@311 2362 uw_check_heap(ctx, len);
adamc@180 2363
adamc@666 2364 s = ctx->heap.front;
adamc@180 2365
adamc@180 2366 strcpy(s, s1);
adamc@180 2367 strcat(s, s2);
adamc@666 2368 ctx->heap.front += len;
adamc@180 2369
adamc@180 2370 return s;
adamc@180 2371 }
adamc@278 2372
adamc@829 2373 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 2374 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 2375
adamc@829 2376 if (start < 0)
adamc@829 2377 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 2378 if (len < 0)
adamc@829 2379 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 2380 if (start + len > full_len)
adamc@829 2381 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 2382
adamc@829 2383 if (start + len == full_len)
adamc@829 2384 return &s[start];
adamc@829 2385 else {
adamc@829 2386 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 2387 memcpy(r, s+start, len);
adamc@829 2388 r[len] = 0;
adamc@829 2389 return r;
adamc@829 2390 }
phurst@1981 2391
adamc@829 2392 }
adamc@829 2393
adamc@1023 2394 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023 2395 char *r;
adamc@1023 2396
adamc@1023 2397 uw_check_heap(ctx, 2);
adamc@1023 2398 r = ctx->heap.front;
adamc@1023 2399 r[0] = ch;
adamc@1023 2400 r[1] = 0;
adamc@1023 2401
adamc@1023 2402 ctx->heap.front += 2;
adamc@1023 2403
adamc@1023 2404 return r;
adamc@1023 2405 }
adamc@1023 2406
adamc@737 2407 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 2408 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 2409 char *s;
adamc@278 2410
adamc@311 2411 uw_check_heap(ctx, len);
adamc@278 2412
adamc@666 2413 s = ctx->heap.front;
adamc@278 2414
adamc@278 2415 strcpy(s, s1);
adamc@666 2416 ctx->heap.front += len;
adamc@278 2417
adamc@278 2418 return s;
adamc@278 2419 }
adamc@280 2420
adam@1295 2421 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295 2422 if (ctx->error_message[0]) {
adam@1295 2423 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295 2424 ctx->error_message[0] = 0;
adam@1295 2425 return s;
adam@1295 2426 } else
adam@1295 2427 return NULL;
adam@1295 2428 }
adam@1295 2429
adamc@737 2430 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 2431 if (s1)
adamc@737 2432 return uw_strdup(ctx, s1);
adamc@493 2433 else
adamc@493 2434 return NULL;
adamc@493 2435 }
adamc@493 2436
adamc@742 2437 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 2438 char *r = uw_malloc(ctx, len);
adamc@742 2439 memcpy(r, p, len);
adamc@742 2440 return r;
adamc@742 2441 }
adamc@280 2442
adamc@879 2443 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 2444
adamc@311 2445 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 2446 int len;
adamc@281 2447 char *r;
adamc@281 2448
adamc@311 2449 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 2450 r = ctx->heap.front;
adamc@879 2451 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 2452 ctx->heap.front += len+1;
adamc@281 2453 return r;
adamc@281 2454 }
adamc@281 2455
adamc@467 2456 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 2457 if (n == NULL)
adamc@467 2458 return "NULL";
adamc@467 2459 else
adamc@467 2460 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 2461 }
adamc@467 2462
adam@1920 2463 char *uw_sqlfmtFloat = "%.16g::float8%n";
adamc@879 2464
adamc@311 2465 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 2466 int len;
adamc@281 2467 char *r;
adamc@281 2468
adamc@311 2469 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 2470 r = ctx->heap.front;
adamc@879 2471 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 2472 ctx->heap.front += len+1;
adamc@281 2473 return r;
adamc@281 2474 }
adamc@281 2475
adamc@467 2476 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 2477 if (n == NULL)
adamc@467 2478 return "NULL";
adamc@467 2479 else
adamc@467 2480 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 2481 }
adamc@467 2482
adam@1834 2483 int uw_Estrings = 1, uw_sql_type_annotations = 1;
adamc@879 2484 char *uw_sqlsuffixString = "::text";
adamc@1011 2485 char *uw_sqlsuffixChar = "::char";
adamc@281 2486
adamc@311 2487 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 2488 char *r, *s2;
adamc@280 2489
adamc@879 2490 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 2491
adamc@666 2492 r = s2 = ctx->heap.front;
adamc@879 2493 if (uw_Estrings)
adamc@879 2494 *s2++ = 'E';
adamc@280 2495 *s2++ = '\'';
adamc@280 2496
adamc@280 2497 for (; *s; s++) {
adamc@280 2498 char c = *s;
adamc@280 2499
adamc@280 2500 switch (c) {
adamc@280 2501 case '\'':
adamc@885 2502 if (uw_Estrings)
adamc@885 2503 strcpy(s2, "\\'");
adamc@885 2504 else
adamc@885 2505 strcpy(s2, "''");
adamc@280 2506 s2 += 2;
adamc@280 2507 break;
adamc@280 2508 case '\\':
adamc@885 2509 if (uw_Estrings) {
adamc@885 2510 strcpy(s2, "\\\\");
adamc@885 2511 s2 += 2;
adamc@885 2512 } else
adamc@885 2513 *s2++ = '\\';
adamc@280 2514 break;
adamc@280 2515 default:
adamc@1150 2516 if (isprint((int)c))
adamc@280 2517 *s2++ = c;
adamc@879 2518 else if (uw_Estrings) {
adam@1857 2519 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@280 2520 s2 += 4;
adamc@280 2521 }
adamc@879 2522 else
adam@1689 2523 *s2++ = c; // I hope this is safe to do... don't know how to support UTF-8 outside Postgres otherwise!
adamc@280 2524 }
adamc@280 2525 }
adamc@280 2526
adamc@879 2527 *s2++ = '\'';
adamc@879 2528 strcpy(s2, uw_sqlsuffixString);
adamc@879 2529 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2530 return r;
adamc@280 2531 }
adamc@281 2532
adamc@1011 2533 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 2534 char *r, *s2;
adamc@1011 2535
adamc@1011 2536 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011 2537
adamc@1011 2538 r = s2 = ctx->heap.front;
adamc@1011 2539 if (uw_Estrings)
adamc@1011 2540 *s2++ = 'E';
adamc@1011 2541 *s2++ = '\'';
adamc@1011 2542
adamc@1011 2543 switch (c) {
adamc@1011 2544 case '\'':
adamc@1011 2545 if (uw_Estrings)
adamc@1011 2546 strcpy(s2, "\\'");
adamc@1011 2547 else
adamc@1011 2548 strcpy(s2, "''");
adamc@1011 2549 s2 += 2;
adamc@1011 2550 break;
adamc@1011 2551 case '\\':
adamc@1011 2552 if (uw_Estrings) {
adamc@1011 2553 strcpy(s2, "\\\\");
adamc@1011 2554 s2 += 2;
adamc@1011 2555 } else
adamc@1011 2556 *s2++ = '\\';
adamc@1011 2557 break;
adamc@1011 2558 default:
adamc@1150 2559 if (isprint((int)c))
adamc@1011 2560 *s2++ = c;
adamc@1011 2561 else if (uw_Estrings) {
adam@1857 2562 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1011 2563 s2 += 4;
adamc@1011 2564 }
adamc@1011 2565 else
adamc@1011 2566 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011 2567 }
adamc@1011 2568
adamc@1011 2569 *s2++ = '\'';
adamc@1011 2570 strcpy(s2, uw_sqlsuffixChar);
adamc@1011 2571 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011 2572 return r;
adamc@1011 2573 }
adamc@1011 2574
adamc@879 2575 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2576
adam@1867 2577 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2578 char *r, *s2;
adamc@737 2579 size_t i;
adamc@737 2580
adam@1867 2581 uw_check_heap(ctx, b.size * 5 + 4 + strlen(uw_sqlsuffixBlob));
adamc@737 2582
adamc@737 2583 r = s2 = ctx->heap.front;
adamc@879 2584 if (uw_Estrings)
adamc@879 2585 *s2++ = 'E';
adam@1867 2586 else
adam@1867 2587 *s2++ = 'X';
adamc@737 2588 *s2++ = '\'';
adamc@737 2589
adamc@737 2590 for (i = 0; i < b.size; ++i) {
adam@1867 2591 unsigned char c = b.data[i];
adam@1867 2592
adam@1867 2593 if (uw_Estrings) {
adam@1867 2594 switch (c) {
adam@1867 2595 case '\'':
adamc@885 2596 strcpy(s2, "\\'");
adam@1867 2597 s2 += 2;
adam@1867 2598 break;
adam@1867 2599 case '\\':
adamc@885 2600 strcpy(s2, "\\\\\\\\");
adamc@885 2601 s2 += 4;
adam@1867 2602 break;
adam@1867 2603 default:
adam@1867 2604 if (isprint((int)c))
adam@1867 2605 *s2++ = c;
adam@1867 2606 else {
adam@1867 2607 sprintf(s2, "\\\\%03o", c);
adam@1867 2608 s2 += 5;
adam@1867 2609 }
adamc@737 2610 }
adam@1867 2611 } else {
adam@1867 2612 sprintf(s2, "%02X", c);
adam@1867 2613 s2 += 2;
adamc@737 2614 }
phurst@1981 2615 }
adamc@737 2616
adamc@879 2617 *s2++ = '\'';
adamc@879 2618 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2619 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2620 return r;
adamc@737 2621 }
adamc@737 2622
adamc@682 2623 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2624 int len;
adamc@682 2625 char *r;
adamc@682 2626 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2627
adamc@682 2628 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2629 r = ctx->heap.front;
adamc@879 2630 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2631 ctx->heap.front += len+1;
adamc@682 2632 return r;
adamc@682 2633 }
adamc@682 2634
adamc@682 2635 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2636 int len;
adamc@682 2637 char *r;
adamc@682 2638 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2639
adamc@682 2640 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2641 r = ctx->heap.front;
adamc@682 2642 sprintf(r, "%lld%n", combo, &len);
adamc@682 2643 ctx->heap.front += len+1;
adamc@682 2644 return r;
adamc@682 2645 }
adamc@682 2646
adamc@879 2647 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2648
adamc@682 2649 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2650 int len;
adamc@682 2651 char *r;
adamc@682 2652
adamc@682 2653 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2654 r = ctx->heap.front;
adamc@879 2655 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2656 ctx->heap.front += len+1;
adamc@682 2657 return r;
adamc@682 2658 }
adamc@682 2659
adamc@682 2660 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2661 int len;
adamc@682 2662 char *r;
adamc@682 2663
adamc@682 2664 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2665 r = ctx->heap.front;
adamc@682 2666 sprintf(r, "%u%n", cli, &len);
adamc@682 2667 ctx->heap.front += len+1;
adamc@682 2668 return r;
adamc@682 2669 }
adamc@682 2670
adamc@467 2671 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2672 if (s == NULL)
adamc@467 2673 return "NULL";
adamc@467 2674 else
adamc@467 2675 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2676 }
adamc@467 2677
adamc@311 2678 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2679 if (b == uw_Basis_False)
adamc@281 2680 return "FALSE";
adamc@281 2681 else
adamc@281 2682 return "TRUE";
adamc@281 2683 }
adamc@282 2684
adamc@467 2685 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2686 if (b == NULL)
adamc@467 2687 return "NULL";
adamc@467 2688 else
adamc@467 2689 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2690 }
adamc@467 2691
adamc@439 2692 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2693 size_t len;
adamc@682 2694 char *r, *s;
adam@1392 2695 struct tm stm = {};
adam@1392 2696 stm.tm_isdst = -1;
adamc@682 2697
adam@1365 2698 if (localtime_r(&t.seconds, &stm)) {
adamc@682 2699 s = uw_malloc(ctx, TIMES_MAX);
adam@1364 2700 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1834 2701 if (uw_sql_type_annotations) {
adam@1834 2702 if (t.microseconds) {
adam@1834 2703 r = uw_malloc(ctx, len + 21);
adam@1834 2704 sprintf(r, "'%s.%06u'::timestamp", s, t.microseconds);
adam@1834 2705 } else {
adam@1834 2706 r = uw_malloc(ctx, len + 14);
adam@1834 2707 sprintf(r, "'%s'::timestamp", s);
adam@1834 2708 }
adam@1367 2709 } else {
adam@1834 2710 r = uw_malloc(ctx, len + 3);
adam@1834 2711 sprintf(r, "'%s'", s);
adam@1367 2712 }
adamc@682 2713 return r;
adamc@682 2714 } else
adamc@682 2715 return "<Invalid time>";
adamc@682 2716 }
adamc@682 2717
adamc@682 2718 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2719 size_t len;
adamc@439 2720 char *r;
adam@1392 2721 struct tm stm = {};
adam@1392 2722 stm.tm_isdst = -1;
adamc@439 2723
adam@1365 2724 if (localtime_r(&t.seconds, &stm)) {
adamc@439 2725 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2726 r = ctx->heap.front;
adamc@439 2727 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2728 ctx->heap.front += len+1;
adamc@439 2729 return r;
adamc@439 2730 } else
adamc@439 2731 return "<Invalid time>";
adamc@439 2732 }
adamc@439 2733
adam@1364 2734 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364 2735 size_t len;
adam@1364 2736 char *r;
adam@1392 2737 struct tm stm = {};
adam@1392 2738 stm.tm_isdst = -1;
adam@1364 2739
adam@1365 2740 if (localtime_r(&t.seconds, &stm)) {
adam@1364 2741 uw_check_heap(ctx, TIMES_MAX);
adam@1364 2742 r = ctx->heap.front;
adam@1365 2743 len = strftime(r, TIMES_MAX-7, TIME_FMT_PG, &stm);
adam@1365 2744 ctx->heap.front += len;
adam@1365 2745 sprintf(ctx->heap.front, ".%06u", t.microseconds);
adam@1365 2746 ctx->heap.front += 8;
adam@1364 2747 return r;
adam@1364 2748 } else
adam@1364 2749 return "<Invalid time>";
adam@1364 2750 }
adam@1364 2751
adamc@467 2752 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2753 if (t == NULL)
adamc@467 2754 return "NULL";
adamc@467 2755 else
adamc@467 2756 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2757 }
adamc@467 2758
adamc@311 2759 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2760 static uw_Basis_int true = 1;
adamc@311 2761 static uw_Basis_int false = 0;
adamc@282 2762
adamc@311 2763 if (b == uw_Basis_False)
adamc@282 2764 return (char *)&false;
adamc@282 2765 else
adamc@282 2766 return (char *)&true;
adamc@282 2767 }
adamc@284 2768
adamc@311 2769 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2770 int len;
adamc@284 2771 char *r;
adamc@284 2772
adamc@311 2773 uw_check_heap(ctx, INTS_MAX);
adamc@666 2774 r = ctx->heap.front;
adamc@284 2775 sprintf(r, "%lld%n", n, &len);
adamc@666 2776 ctx->heap.front += len+1;
adamc@284 2777 return r;
adamc@284 2778 }
adamc@285 2779
adamc@311 2780 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2781 int len;
adamc@285 2782 char *r;
adamc@285 2783
adamc@311 2784 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2785 r = ctx->heap.front;
adamc@285 2786 sprintf(r, "%g%n", n, &len);
adamc@666 2787 ctx->heap.front += len+1;
adamc@285 2788 return r;
adamc@285 2789 }
adamc@285 2790
adamc@821 2791 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2792 char *r = uw_malloc(ctx, 2);
adamc@821 2793 r[0] = ch;
adamc@821 2794 r[1] = 0;
adamc@821 2795 return r;
adamc@821 2796 }
adamc@821 2797
adamc@311 2798 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2799 if (b == uw_Basis_False)
adamc@285 2800 return "False";
adamc@285 2801 else
adamc@285 2802 return "True";
adamc@285 2803 }
adamc@288 2804
adam@1359 2805 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352 2806 size_t len;
adam@1352 2807 char *r;
adam@1392 2808 struct tm stm = {};
adam@1392 2809 stm.tm_isdst = -1;
adam@1352 2810
adam@1365 2811 if (localtime_r(&t.seconds, &stm)) {
adam@1352 2812 uw_check_heap(ctx, TIMES_MAX);
adam@1352 2813 r = ctx->heap.front;
adam@1352 2814 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352 2815 ctx->heap.front += len+1;
adam@1352 2816 return r;
adam@1352 2817 } else
adam@1352 2818 return "<Invalid time>";
adam@1352 2819 }
adam@1352 2820
adam@1629 2821 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adam@1629 2822 return uw_Basis_timef(ctx, ctx->app->time_format, t);
adam@1629 2823 }
adam@1629 2824
adamc@311 2825 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2826 char *endptr;
adamc@311 2827 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2828
adamc@288 2829 if (*s != '\0' && *endptr == '\0') {
adamc@311 2830 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2831 *r = n;
adamc@288 2832 return r;
adamc@288 2833 } else
adamc@288 2834 return NULL;
adamc@288 2835 }
adamc@289 2836
adamc@311 2837 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2838 char *endptr;
adamc@311 2839 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2840
adamc@289 2841 if (*s != '\0' && *endptr == '\0') {
adamc@311 2842 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2843 *r = n;
adamc@289 2844 return r;
adamc@289 2845 } else
adamc@289 2846 return NULL;
adamc@289 2847 }
adamc@289 2848
adamc@821 2849 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2850 if (s[0] == 0) {
adamc@821 2851 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2852 r[0] = 0;
adamc@821 2853 return r;
adamc@821 2854 } else if (s[1] != 0)
adamc@821 2855 return NULL;
adamc@821 2856 else {
adamc@821 2857 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2858 r[0] = s[0];
adamc@821 2859 return r;
adamc@821 2860 }
adamc@821 2861 }
adamc@821 2862
adamc@311 2863 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2864 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2865 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2866
adamc@289 2867 if (!strcasecmp (s, "True"))
adamc@289 2868 return &true;
adamc@289 2869 else if (!strcasecmp (s, "False"))
adamc@289 2870 return &false;
adamc@289 2871 else
adamc@289 2872 return NULL;
adamc@289 2873 }
adamc@292 2874
adamc@436 2875 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2876 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1374 2877 struct tm stm = {};
adam@1392 2878 stm.tm_isdst = -1;
adamc@436 2879
adamc@439 2880 if (dot) {
adamc@439 2881 *dot = 0;
adamc@439 2882 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2883 *dot = '.';
adamc@439 2884 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2885 r->seconds = mktime(&stm);
adam@1365 2886 r->microseconds = 0;
adamc@439 2887 return r;
adamc@439 2888 }
adamc@439 2889 else {
adamc@439 2890 *dot = '.';
adamc@439 2891 return NULL;
adamc@439 2892 }
adamc@436 2893 }
adamc@439 2894 else {
adamc@439 2895 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2896 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2897 r->seconds = mktime(&stm);
adam@1365 2898 r->microseconds = 0;
adamc@439 2899 return r;
adamc@439 2900 }
adamc@439 2901 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2902 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2903 r->seconds = mktime(&stm);
adam@1365 2904 r->microseconds = 0;
adamc@439 2905 return r;
adam@1632 2906 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632 2907 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1632 2908 r->seconds = mktime(&stm);
adam@1632 2909 r->microseconds = 0;
adam@1632 2910 return r;
adamc@439 2911 }
adamc@439 2912 else
adamc@439 2913 return NULL;
adamc@439 2914 }
adamc@436 2915 }
adamc@436 2916
adam@1352 2917 uw_Basis_time *uw_Basis_stringToTimef(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2918 char *end = strchr(s, 0);
adam@1374 2919 struct tm stm = {};
adam@1392 2920 stm.tm_isdst = -1;
adam@1352 2921
adam@1352 2922 if (strptime(s, fmt, &stm) == end) {
adam@1352 2923 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2924 r->seconds = mktime(&stm);
adam@1365 2925 r->microseconds = 0;
adam@1352 2926 return r;
adam@1352 2927 }
adam@1352 2928 else
adam@1352 2929 return NULL;
adam@1352 2930 }
adam@1352 2931
adamc@311 2932 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 2933 char *endptr;
adamc@311 2934 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 2935
adamc@292 2936 if (*s != '\0' && *endptr == '\0')
adamc@292 2937 return n;
adamc@292 2938 else
adam@1444 2939 uw_error(ctx, FATAL, "Can't parse int: %s", uw_Basis_htmlifyString(ctx, s));
adamc@292 2940 }
adamc@293 2941
adamc@682 2942 #include <errno.h>
adamc@682 2943
adamc@678 2944 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 2945 unsigned long long n;
adamc@682 2946
adamc@682 2947 if (sscanf(s, "%llu", &n) < 1)
adam@1444 2948 uw_error(ctx, FATAL, "Can't parse channel: %s", uw_Basis_htmlifyString(ctx, s));
adamc@682 2949 else {
adamc@682 2950 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 2951 return ch;
adamc@682 2952 }
adamc@682 2953 }
adamc@682 2954
adamc@682 2955 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 2956 char *endptr;
adamc@682 2957 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 2958
adamc@678 2959 if (*s != '\0' && *endptr == '\0')
adamc@678 2960 return n;
adamc@678 2961 else
adam@1444 2962 uw_error(ctx, FATAL, "Can't parse client: %s", uw_Basis_htmlifyString(ctx, s));
adamc@678 2963 }
adamc@678 2964
adamc@311 2965 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 2966 char *endptr;
adamc@311 2967 uw_Basis_float n = strtod(s, &endptr);
adamc@293 2968
adamc@293 2969 if (*s != '\0' && *endptr == '\0')
adamc@293 2970 return n;
adamc@293 2971 else
adam@1444 2972 uw_error(ctx, FATAL, "Can't parse float: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 2973 }
adamc@293 2974
adamc@821 2975 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 2976 if (s[0] == 0)
adamc@821 2977 return 0;
adamc@821 2978 else if (s[1] != 0)
adam@1444 2979 uw_error(ctx, FATAL, "Can't parse char: %s", uw_Basis_htmlifyString(ctx, s));
adamc@821 2980 else
adamc@821 2981 return s[0];
adamc@821 2982 }
adamc@821 2983
adamc@311 2984 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 2985 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 2986 return uw_Basis_True;
adamc@296 2987 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 2988 return uw_Basis_False;
adamc@293 2989 else
adam@1444 2990 uw_error(ctx, FATAL, "Can't parse bool: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 2991 }
adamc@436 2992
adam@1352 2993 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352 2994 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1352 2995 struct tm stm = {};
adam@1392 2996 stm.tm_isdst = -1;
adam@1352 2997
adam@1352 2998 if (dot) {
adam@1352 2999 *dot = 0;
adam@1352 3000 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352 3001 *dot = '.';
adam@1410 3002 char usec[] = "000000";
adam@1410 3003 int len = strlen(dot+1);
adam@1410 3004 memcpy(usec, dot+1, len < 6 ? len : 6);
adam@1410 3005 uw_Basis_time r = { mktime(&stm), atoi(usec) };
adam@1365 3006 return r;
adam@1352 3007 }
adam@1352 3008 else {
adam@1352 3009 *dot = '.';
adam@1444 3010 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 3011 }
adam@1352 3012 }
adam@1352 3013 else {
adam@1352 3014 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 3015 uw_Basis_time r = { mktime(&stm) };
adam@1365 3016 return r;
adam@1352 3017 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 3018 uw_Basis_time r = { mktime(&stm) };
adam@1365 3019 return r;
adam@1352 3020 } else
adam@1444 3021 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 3022 }
adam@1352 3023 }
adam@1352 3024
adamc@436 3025 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 3026 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 3027 struct tm stm = {};
adam@1392 3028 stm.tm_isdst = -1;
adamc@436 3029
adamc@438 3030 if (dot) {
adamc@438 3031 *dot = 0;
adamc@438 3032 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 3033 *dot = '.';
adam@1365 3034 {
adam@1365 3035 uw_Basis_time r = { mktime(&stm) };
adam@1365 3036 return r;
adam@1365 3037 }
adamc@438 3038 }
adamc@438 3039 else {
adamc@438 3040 *dot = '.';
adam@1444 3041 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 3042 }
adamc@438 3043 }
adamc@438 3044 else {
adam@1365 3045 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 3046 uw_Basis_time r = { mktime(&stm) };
adam@1365 3047 return r;
adam@1365 3048 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 3049 uw_Basis_time r = { mktime(&stm) };
adam@1365 3050 return r;
adam@1632 3051 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632 3052 uw_Basis_time r = { mktime(&stm) };
adam@1632 3053 return r;
adam@1365 3054 } else
adam@1444 3055 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 3056 }
adamc@436 3057 }
adamc@457 3058
adam@1352 3059 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 3060 char *end = strchr(s, 0);
adamc@939 3061 struct tm stm = {};
adam@1392 3062 stm.tm_isdst = -1;
adamc@939 3063
adam@1365 3064 if (strptime(s, fmt, &stm) == end) {
adam@1365 3065 uw_Basis_time r = { mktime(&stm) };
adam@1365 3066 return r;
adam@1365 3067 } else
adam@1444 3068 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@939 3069 }
adamc@939 3070
adamc@742 3071 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 3072 char *r = ctx->heap.front;
adamc@742 3073 uw_Basis_blob b = {len, r};
adamc@742 3074
adamc@742 3075 uw_check_heap(ctx, len);
adamc@742 3076
adam@1992 3077 if (s[0] == '\\' && s[1] == 'x') {
adam@1992 3078 s += 2;
adam@1992 3079
adam@1992 3080 while (*s) {
adam@1992 3081 int n;
adam@1992 3082 sscanf(s, "%02x", &n);
adam@1992 3083 *r++ = n;
adam@1992 3084 s += 2;
adam@1992 3085 }
adam@1992 3086 } else {
adam@1992 3087 while (*s) {
adam@1992 3088 if (s[0] == '\\') {
adam@1992 3089 if (s[1] == '\\') {
adam@1992 3090 *r++ = '\\';
adam@1992 3091 s += 2;
adam@1992 3092 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adam@1992 3093 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adam@1992 3094 s += 4;
adam@1992 3095 }
adam@1992 3096 else {
adam@1992 3097 *r++ = '\\';
adam@1992 3098 ++s;
adam@1992 3099 }
adam@1992 3100 } else {
adam@1992 3101 *r++ = s[0];
adamc@742 3102 ++s;
adamc@742 3103 }
adamc@742 3104 }
adamc@742 3105 }
adamc@742 3106
adamc@742 3107 b.size = r - ctx->heap.front;
adamc@742 3108 ctx->heap.front = r;
adam@1992 3109
adamc@742 3110 return b;
adamc@742 3111 }
adamc@742 3112
adam@1402 3113 #define THE_PAST "expires=Sat, 01-Jan-2011 00:00:00 GMT"
adamc@1052 3114
adamc@463 3115 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 3116 int len = strlen(c);
adamc@854 3117 char *p = ctx->outHeaders.start;
adamc@474 3118
adamc@1134 3119 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474 3120 char *p2;
adamc@474 3121 p += 13;
adamc@474 3122 p2 = strchr(p, '=');
adamc@474 3123
adamc@474 3124 if (p2) {
adamc@474 3125 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 3126
adamc@474 3127 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052 3128 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052 3129 return NULL;
adamc@1052 3130 else {
adamc@1052 3131 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052 3132 memcpy(ret, p2+1, sz);
adamc@1052 3133 ret[sz] = 0;
adamc@1052 3134 return ret;
adamc@1052 3135 }
adamc@474 3136 }
adamc@474 3137 }
adamc@474 3138 }
adamc@463 3139
adamc@1134 3140 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051 3141 char *p2;
adamc@1051 3142
adamc@854 3143 while (1) {
adamc@1051 3144 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134 3145 if ((p2 = strchr(p, ';'))) {
adamc@1051 3146 size_t n = p2 - (p + len);
adamc@1051 3147 char *r = uw_malloc(ctx, n);
adamc@1051 3148 memcpy(r, p + 1 + len, n-1);
adamc@1051 3149 r[n-1] = 0;
adamc@1051 3150 return r;
adamc@1051 3151 } else
adamc@1051 3152 return p + 1 + len;
adamc@1134 3153 } else if ((p = strchr(p, ';')))
adamc@854 3154 p += 2;
adamc@463 3155 else
adamc@463 3156 return NULL;
adamc@463 3157 }
adamc@463 3158 }
adamc@792 3159
adamc@792 3160 return NULL;
adamc@457 3161 }
adamc@462 3162
adam@1877 3163 static void set_cookie(uw_context ctx) {
adam@1877 3164 if (ctx->usedSig)
adam@1877 3165 ctx->needsResig = 1;
adam@1877 3166 }
adam@1877 3167
adamc@1050 3168 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 3169 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 3170 uw_write_header(ctx, c);
adamc@462 3171 uw_write_header(ctx, "=");
adamc@462 3172 uw_write_header(ctx, v);
adamc@466 3173 uw_write_header(ctx, "; path=");
adamc@466 3174 uw_write_header(ctx, prefix);
adamc@1050 3175 if (expires) {
adamc@1050 3176 char formatted[30];
adam@1392 3177 struct tm tm = {};
adam@1392 3178 tm.tm_isdst = -1;
adamc@1050 3179
adam@1365 3180 gmtime_r(&expires->seconds, &tm);
adamc@1050 3181
adamc@1050 3182 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050 3183
adamc@1050 3184 uw_write_header(ctx, "; expires=");
adamc@1050 3185 uw_write_header(ctx, formatted);
adamc@1050 3186 }
adamc@1050 3187 if (secure)
adamc@1050 3188 uw_write_header(ctx, "; secure");
adamc@462 3189 uw_write_header(ctx, "\r\n");
adam@1877 3190 set_cookie(ctx);
adamc@462 3191
adamc@462 3192 return uw_unit_v;
adamc@462 3193 }
adamc@667 3194
adamc@1050 3195 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050 3196 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050 3197 uw_write_header(ctx, c);
adamc@1050 3198 uw_write_header(ctx, "=; path=");
adamc@1050 3199 uw_write_header(ctx, prefix);
adamc@1052 3200 uw_write_header(ctx, "; " THE_PAST "\r\n");
adam@1877 3201 set_cookie(ctx);
adamc@1050 3202
adamc@1050 3203 return uw_unit_v;
adamc@1050 3204 }
adamc@1050 3205
adamc@1113 3206 size_t uw_deltas_max = SIZE_MAX;
adamc@1113 3207
adamc@682 3208 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 3209 unsigned i;
adamc@682 3210 delta *d;
adamc@671 3211
adamc@682 3212 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 3213 if (ctx->deltas[i].client == client)
adamc@682 3214 return &ctx->deltas[i];
adamc@671 3215
adamc@682 3216 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113 3217 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113 3218 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113 3219
adamc@682 3220 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adam@1369 3221 uw_buffer_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 3222 }
adamc@671 3223
adamc@682 3224 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 3225 d->client = client;
adam@1369 3226 uw_buffer_reset(&d->msgs);
adamc@682 3227 return d;
adamc@671 3228 }
adamc@671 3229
adamc@668 3230 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 3231 if (ctx->client == NULL)
adamc@682 3232 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 3233
adamc@682 3234 return new_channel(ctx->client);
adamc@668 3235 }
adamc@668 3236
adamc@668 3237 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 3238 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 3239 size_t len;
adamc@682 3240 int preLen;
adamc@682 3241 char pre[INTS_MAX + 2];
adamc@668 3242
adamc@682 3243 len = strlen(msg);
adamc@682 3244
adamc@682 3245 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 3246
adam@1369 3247 ctx_uw_buffer_append(ctx, "messages", &d->msgs, pre, preLen);
adam@1369 3248 ctx_uw_buffer_append(ctx, "messages", &d->msgs, msg, len);
adam@1369 3249 ctx_uw_buffer_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671 3250
adamc@671 3251 return uw_unit_v;
adamc@668 3252 }
adamc@671 3253
adam@1327 3254 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131 3255 int i;
adamc@1131 3256 cleanup *cl;
adamc@1131 3257
adamc@1131 3258 if (ctx->client)
adamc@1131 3259 release_client(ctx->client);
adamc@1131 3260
adamc@1131 3261 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131 3262 cl->func(cl->arg);
adamc@1131 3263
adamc@1131 3264 ctx->cleanup_front = ctx->cleanup;
adamc@1131 3265
adamc@1131 3266 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3267 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3268 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131 3269
adamc@1131 3270 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3271 if (ctx->transactionals[i].free)
adam@1327 3272 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131 3273
adam@1941 3274 if (ctx->app && ctx->transaction_started) {
adam@1941 3275 ctx->transaction_started = 0;
adam@1941 3276 return ctx->app->db_rollback(ctx);
adam@1941 3277 } else
adam@1941 3278 return 0;
adamc@1131 3279 }
adamc@1131 3280
adam@1956 3281 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 3282 const char uw_begin_html5[] = "<!DOCTYPE html><html>";
adam@1728 3283
adam@1877 3284 extern int uw_hash_blocksize;
adam@1877 3285
adam@1877 3286 static const char sig_intro[] = "<input type=\"hidden\" name=\"Sig\" value=\"";
adam@1877 3287
adam@1877 3288 static char *find_sig(char *haystack) {
adam@1877 3289 int i;
adam@1877 3290 char *s = strstr(haystack, sig_intro);
adam@1877 3291
adam@1877 3292 if (!s || strlen(haystack) - (s - haystack) - (sizeof sig_intro - 1) < uw_hash_blocksize*2+1)
adam@1877 3293 return NULL;
phurst@1981 3294
adam@1877 3295 s += sizeof sig_intro - 1;
adam@1877 3296
adam@1877 3297 for (i = 0; i < uw_hash_blocksize*2; ++i)
adam@1877 3298 if (!isxdigit((int)s[i]))
adam@1877 3299 return NULL;
adam@1877 3300
adam@1877 3301 if (s[i] != '"')
adam@1877 3302 return NULL;
adam@1877 3303
adam@1877 3304 return s;
adam@1877 3305 }
adam@1877 3306
adam@2033 3307 static pthread_mutex_t message_send_mutex = PTHREAD_MUTEX_INITIALIZER;
adam@2033 3308
adam@1938 3309 int uw_commit(uw_context ctx) {
adamc@1104 3310 int i;
adam@1877 3311 char *sig;
adamc@1104 3312
adamc@1131 3313 if (uw_has_error(ctx)) {
adam@1327 3314 uw_rollback(ctx, 0);
adam@1938 3315 return 0;
adamc@1131 3316 }
adamc@1131 3317
adamc@1104 3318 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3319 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3320 if (ctx->transactionals[i].commit) {
adamc@1083 3321 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3322 if (uw_has_error(ctx)) {
adam@1327 3323 uw_rollback(ctx, 0);
adam@1938 3324 return 0;
adamc@1131 3325 }
adamc@1131 3326 }
adamc@771 3327
adam@2033 3328 // Here's an important lock to provide the abstraction that all messages from one transaction are sent as an atomic unit.
adam@2033 3329 if (ctx->used_deltas > 0)
adam@2033 3330 pthread_mutex_lock(&message_send_mutex);
adam@2033 3331
adam@2000 3332 if (ctx->transaction_started) {
adam@2000 3333 int code = ctx->app->db_commit(ctx);
adam@2000 3334
adam@2000 3335 if (code) {
adam@2033 3336 if (ctx->used_deltas > 0)
adam@2033 3337 pthread_mutex_unlock(&message_send_mutex);
adam@2033 3338
adam@2000 3339 if (ctx->client)
adam@2000 3340 release_client(ctx->client);
adam@2000 3341
adam@2000 3342 if (code == -1) {
adam@2000 3343 // This case is for a serialization failure, which is not really an "error."
adam@2000 3344 // The transaction will restart, so we should rollback any transactionals
adam@2000 3345 // that triggered above.
adam@2000 3346
adam@2000 3347 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3348 if (ctx->transactionals[i].rollback != NULL)
adam@2000 3349 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adam@2000 3350
adam@2000 3351 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3352 if (ctx->transactionals[i].free)
adam@2000 3353 ctx->transactionals[i].free(ctx->transactionals[i].data, 1);
adam@2000 3354
grrwlf@2030 3355 return 1;
adam@2000 3356 }
adam@2000 3357
adam@2000 3358 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000 3359 if (ctx->transactionals[i].free)
adam@2000 3360 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adam@2000 3361
adam@2000 3362 uw_set_error_message(ctx, "Error running SQL COMMIT");
adam@2000 3363 return 0;
adam@2000 3364 }
adam@2000 3365 }
adam@2000 3366
adamc@1104 3367 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3368 if (ctx->transactionals[i].rollback == NULL)
adamc@1131 3369 if (ctx->transactionals[i].commit) {
adamc@1083 3370 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3371 if (uw_has_error(ctx)) {
adam@2033 3372 if (ctx->used_deltas > 0)
adam@2033 3373 pthread_mutex_unlock(&message_send_mutex);
adam@2033 3374
adam@2033 3375 if (ctx->client)
adam@2033 3376 release_client(ctx->client);
adam@2033 3377
adam@2033 3378 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2033 3379 if (ctx->transactionals[i].rollback != NULL)
adam@2033 3380 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adam@2033 3381
adam@2033 3382 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2033 3383 if (ctx->transactionals[i].free)
adam@2033 3384 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adam@2000 3385
adam@1938 3386 return 0;
adamc@1131 3387 }
adamc@1131 3388 }
adamc@1131 3389
adamc@682 3390 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 3391 delta *d = &ctx->deltas[i];
adamc@682 3392 client *c = find_client(d->client);
adamc@682 3393
adam@1551 3394 assert (c != NULL);
adam@1551 3395 assert(c->mode == USED);
adamc@682 3396
adam@1447 3397 client_send(c, &d->msgs, ctx->script.start, uw_buffer_used(&ctx->script));
adamc@682 3398 }
adamc@682 3399
adam@2033 3400 if (ctx->used_deltas > 0)
adam@2033 3401 pthread_mutex_unlock(&message_send_mutex);
adam@2033 3402
adamc@682 3403 if (ctx->client)
adamc@685 3404 release_client(ctx->client);
adamc@771 3405
adamc@1104 3406 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083 3407 if (ctx->transactionals[i].free)
adam@1327 3408 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916 3409
vshabanoff@1726 3410 uw_check(ctx, 1);
vshabanoff@1726 3411 *ctx->page.front = 0;
adam@1413 3412
adam@1956 3413 if (!ctx->returning_indirectly
adam@1956 3414 && (ctx->app->is_html5
adam@1956 3415 ? !strncmp(ctx->page.start, uw_begin_html5, sizeof uw_begin_html5 - 1)
adam@1956 3416 : !strncmp(ctx->page.start, uw_begin_xhtml, sizeof uw_begin_xhtml - 1))) {
adam@1728 3417 char *s;
adam@1728 3418
adam@1728 3419 // Splice script data into appropriate part of page, also adding <head> if needed.
adam@1956 3420 s = ctx->page.start + (ctx->app->is_html5 ? sizeof uw_begin_html5 - 1 : sizeof uw_begin_xhtml - 1);
adam@1728 3421 s = strchr(s, '<');
adam@1728 3422 if (s == NULL) {
adam@1728 3423 // Weird. Document has no tags!
adam@1728 3424
adam@1728 3425 uw_write(ctx, "<head></head><body></body>");
adam@1728 3426 uw_check(ctx, 1);
adam@1728 3427 *ctx->page.front = 0;
adam@1728 3428 } else if (!strncmp(s, "<head>", 6)) {
adam@1728 3429 // <head> is present. Let's add the <script> tags immediately after it.
adam@1728 3430
adam@1729 3431 // Any freeform JavaScript to include?
adam@1729 3432 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729 3433 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729 3434 size_t lenP = lenH + 40 + len;
adam@1729 3435 char *start = s + 6, *oldPage = ctx->page.start;
adam@1729 3436
adam@1729 3437 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3438 start += ctx->page.start - oldPage;
adam@1729 3439 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3440 ctx->page.front += lenP;
adam@1729 3441 memcpy(start, ctx->script_header, lenH);
adam@1729 3442 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adam@1729 3443 memcpy(start + lenH + 31, ctx->script.start, len);
adam@1729 3444 memcpy(start + lenH + 31 + len, "</script>", 9);
adam@1729 3445 } else {
adam@1729 3446 size_t lenH = strlen(ctx->script_header);
adam@1729 3447 char *start = s + 6, *oldPage = ctx->page.start;
adam@1729 3448
adam@1729 3449 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenH);
adam@1729 3450 start += ctx->page.start - oldPage;
adam@1729 3451 memmove(start + lenH, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3452 ctx->page.front += lenH;
adam@1729 3453 memcpy(start, ctx->script_header, lenH);
adam@1729 3454 }
adam@1728 3455 } else {
adam@1728 3456 // No <head>. At this point, add it, with <script> tags inside.
adam@1728 3457
adam@1729 3458 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729 3459 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729 3460 size_t lenP = lenH + 53 + len;
adam@1729 3461 char *start = s, *oldPage = ctx->page.start;
adam@1729 3462
adam@1729 3463 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3464 start += ctx->page.start - oldPage;
adam@1729 3465 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3466 ctx->page.front += lenP;
adam@1729 3467 memcpy(start, "<head>", 6);
adam@1729 3468 memcpy(start + 6, ctx->script_header, lenH);
adam@1729 3469 memcpy(start + 6 + lenH, "<script type=\"text/javascript\">", 31);
adam@1729 3470 memcpy(start + 6 + lenH + 31, ctx->script.start, len);
adam@1729 3471 memcpy(start + 6 + lenH + 31 + len, "</script></head>", 16);
adam@1729 3472 } else {
adam@1729 3473 size_t lenH = strlen(ctx->script_header);
adam@1729 3474 size_t lenP = lenH + 13;
adam@1729 3475 char *start = s, *oldPage = ctx->page.start;
adam@1729 3476
adam@1729 3477 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3478 start += ctx->page.start - oldPage;
adam@1729 3479 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3480 ctx->page.front += lenP;
adam@1729 3481 memcpy(start, "<head>", 6);
adam@1729 3482 memcpy(start + 6, ctx->script_header, lenH);
adam@1729 3483 memcpy(start + 6 + lenH, "</head>", 7);
adam@1729 3484 }
adamc@916 3485 }
adamc@916 3486 }
adam@1877 3487
adam@1877 3488 if (ctx->needsResig) {
adam@1877 3489 sig = find_sig(ctx->page.start);
adam@1877 3490 if (sig) {
adam@1877 3491 char *realsig = ctx->app->cookie_sig(ctx);
adam@1877 3492
adam@1877 3493 do {
adam@1877 3494 memcpy(sig, realsig, 2*uw_hash_blocksize);
adam@1877 3495 sig = find_sig(sig);
adam@1877 3496 } while (sig);
adam@1877 3497 }
adam@1877 3498 }
adam@1938 3499
adam@1938 3500 return 0;
adamc@671 3501 }
adamc@671 3502
adamc@683 3503
adamc@1113 3504 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113 3505
adam@2001 3506 int uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327 3507 uw_callback_with_retry free) {
adamc@771 3508 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113 3509 if (ctx->used_transactionals+1 > uw_transactionals_max)
adam@2001 3510 // Exceeded limit on number of transactionals.
adam@2001 3511 return -1;
adamc@1084 3512 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771 3513 ++ctx->n_transactionals;
adamc@771 3514 }
adamc@771 3515
adamc@771 3516 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 3517 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 3518 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 3519 ctx->transactionals[ctx->used_transactionals++].free = free;
adam@2001 3520
adam@2001 3521 return 0;
adamc@771 3522 }
adamc@771 3523
adamc@683 3524
adamc@683 3525 // "Garbage collection"
adamc@683 3526
adamc@1121 3527 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121 3528 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121 3529
adamc@1121 3530 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683 3531 int r = setjmp(ctx->jmp_buf);
adamc@683 3532
adamc@1121 3533 if (r == 0)
adamc@1121 3534 uw_do_expunge(ctx, cli, data);
adamc@1121 3535 else
adamc@1121 3536 ctx->app->db_rollback(ctx);
adamc@1121 3537
adamc@1121 3538 uw_post_expunge(ctx, data);
adamc@683 3539
adamc@683 3540 return r;
adamc@683 3541 }
adamc@683 3542
adamc@683 3543 void uw_prune_clients(uw_context ctx) {
adamc@683 3544 client *c, *next, *prev = NULL;
adamc@683 3545 time_t cutoff;
adamc@683 3546
adamc@1094 3547 cutoff = time(NULL) - ctx->app->timeout;
adamc@683 3548
adamc@683 3549 pthread_mutex_lock(&clients_mutex);
adam@1707 3550 pruning_thread = pthread_self();
adam@1707 3551 pruning_thread_initialized = 1;
adamc@683 3552
adamc@683 3553 for (c = clients_used; c; c = next) {
adamc@683 3554 next = c->next;
adamc@683 3555 pthread_mutex_lock(&c->lock);
adamc@685 3556 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 3557 failure_kind fk = UNLIMITED_RETRY;
adamc@683 3558 if (prev)
adamc@683 3559 prev->next = next;
adamc@683 3560 else
adamc@683 3561 clients_used = next;
adamc@683 3562 while (fk == UNLIMITED_RETRY) {
adam@1941 3563 uw_reset(ctx);
adamc@1121 3564 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121 3565 if (fk == UNLIMITED_RETRY)
adamc@684 3566 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 3567 }
adamc@684 3568 if (fk == SUCCESS)
adamc@684 3569 free_client(c);
adamc@1121 3570 else
adamc@856 3571 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683 3572 }
adamc@683 3573 else
adamc@683 3574 prev = c;
adamc@683 3575 pthread_mutex_unlock(&c->lock);
adamc@683 3576 }
adamc@683 3577
adamc@683 3578 pthread_mutex_unlock(&clients_mutex);
adamc@683 3579 }
adamc@687 3580
adamc@687 3581 failure_kind uw_initialize(uw_context ctx) {
adamc@687 3582 int r = setjmp(ctx->jmp_buf);
adamc@687 3583
adamc@687 3584 if (r == 0) {
adam@1936 3585 uw_ensure_transaction(ctx);
adamc@1094 3586 ctx->app->initializer(ctx);
adamc@1094 3587 if (ctx->app->db_commit(ctx))
adamc@687 3588 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 3589 }
adamc@687 3590
adamc@687 3591 return r;
adamc@687 3592 }
adamc@717 3593
adamc@1065 3594 static int url_bad(uw_Basis_string s) {
adamc@1065 3595 for (; *s; ++s)
adamc@1153 3596 if (!isgraph((int)*s))
adamc@1065 3597 return 1;
adamc@1065 3598
adamc@1065 3599 return 0;
adamc@1065 3600 }
adamc@1065 3601
adamc@717 3602 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065 3603 if (url_bad(s))
adamc@1065 3604 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094 3605 if (ctx->app->check_url(s))
adamc@770 3606 return s;
adamc@770 3607 else
adamc@770 3608 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 3609 }
adamc@734 3610
adamc@770 3611 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065 3612 if (url_bad(s))
adamc@1065 3613 return NULL;
adamc@1094 3614 if (ctx->app->check_url(s))
adamc@770 3615 return s;
adamc@770 3616 else
adamc@770 3617 return NULL;
adamc@770 3618 }
adamc@770 3619
adam@1465 3620 static int mime_format(const char *s) {
adamc@770 3621 for (; *s; ++s)
grrwlf@2024 3622 if (!isalnum((int)*s) && *s != '/' && *s != '-' && *s != '.' && *s != '+')
adamc@770 3623 return 0;
adamc@770 3624
adamc@770 3625 return 1;
adamc@770 3626 }
adamc@770 3627
adamc@741 3628 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3629 if (!mime_format(s))
adamc@770 3630 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 3631
adamc@1094 3632 if (ctx->app->check_mime(s))
adamc@770 3633 return s;
adamc@770 3634 else
adamc@770 3635 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 3636 }
adamc@770 3637
adamc@770 3638 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3639 if (!mime_format(s))
adamc@770 3640 return NULL;
adamc@770 3641
adamc@1094 3642 if (ctx->app->check_mime(s))
adamc@770 3643 return s;
adamc@770 3644 else
adamc@770 3645 return NULL;
adamc@741 3646 }
adamc@741 3647
adam@1465 3648 uw_Basis_string uw_Basis_blessRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3649 if (!mime_format(s))
adam@1465 3650 uw_error(ctx, FATAL, "Request header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3651
adam@1465 3652 if (ctx->app->check_requestHeader(s))
adam@1465 3653 return s;
adam@1465 3654 else
adam@1465 3655 uw_error(ctx, FATAL, "Disallowed request header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3656 }
adam@1465 3657
adam@1465 3658 uw_Basis_string uw_Basis_checkRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3659 if (!mime_format(s))
adam@1465 3660 return NULL;
adam@1465 3661
adam@1465 3662 if (ctx->app->check_requestHeader(s))
adam@1465 3663 return s;
adam@1465 3664 else
adam@1465 3665 return NULL;
adam@1465 3666 }
adam@1465 3667
adam@1465 3668 uw_Basis_string uw_Basis_blessResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3669 if (!mime_format(s))
adam@1465 3670 uw_error(ctx, FATAL, "Response header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3671
adam@1465 3672 if (ctx->app->check_responseHeader(s))
adam@1465 3673 return s;
adam@1465 3674 else
adam@1465 3675 uw_error(ctx, FATAL, "Disallowed response header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3676 }
adam@1465 3677
adam@1799 3678 static int envVar_format(const char *s) {
adam@1799 3679 for (; *s; ++s)
adam@1799 3680 if (!isalnum((int)*s) && *s != '_' && *s != '.')
adam@1799 3681 return 0;
adam@1799 3682
adam@1799 3683 return 1;
adam@1799 3684 }
adam@1799 3685
adam@1465 3686 uw_Basis_string uw_Basis_checkResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1799 3687 if (!envVar_format(s))
adam@1465 3688 return NULL;
adam@1465 3689
adam@1465 3690 if (ctx->app->check_responseHeader(s))
adam@1465 3691 return s;
adam@1465 3692 else
adam@1465 3693 return NULL;
adam@1465 3694 }
adam@1465 3695
adam@1799 3696 uw_Basis_string uw_Basis_blessEnvVar(uw_context ctx, uw_Basis_string s) {
adam@1799 3697 if (!envVar_format(s))
adam@1799 3698 uw_error(ctx, FATAL, "Environment variable \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1799 3699
adam@1799 3700 if (ctx->app->check_envVar(s))
adam@1799 3701 return s;
adam@1799 3702 else
adam@1799 3703 uw_error(ctx, FATAL, "Disallowed environment variable %s", uw_Basis_htmlifyString(ctx, s));
adam@1799 3704 }
adam@1799 3705
adam@1799 3706 uw_Basis_string uw_Basis_checkEnvVar(uw_context ctx, uw_Basis_string s) {
adam@1799 3707 if (!mime_format(s))
adam@1799 3708 return NULL;
adam@1799 3709
adam@1799 3710 if (ctx->app->check_envVar(s))
adam@1799 3711 return s;
adam@1799 3712 else
adam@1799 3713 return NULL;
adam@1799 3714 }
adam@1799 3715
adam@1465 3716 uw_Basis_string uw_Basis_getHeader(uw_context ctx, uw_Basis_string name) {
adam@1465 3717 return uw_Basis_requestHeader(ctx, name);
adam@1465 3718 }
adam@1465 3719
adam@1465 3720 static int mime_value_format(const char *s) {
adam@1465 3721 for (; *s; ++s)
adam@1465 3722 if (*s == '\r' || *s == '\n')
adam@1465 3723 return 0;
adam@1465 3724
adam@1465 3725 return 1;
adam@1465 3726 }
adam@1465 3727
adam@1465 3728 uw_unit uw_Basis_setHeader(uw_context ctx, uw_Basis_string name, uw_Basis_string value) {
adam@1465 3729 if (!mime_value_format(value))
adam@1465 3730 uw_error(ctx, FATAL, "Invalid value for HTTP response header");
adam@1465 3731
adam@1465 3732 uw_write_header(ctx, name);
adam@1465 3733 uw_write_header(ctx, ": ");
adam@1465 3734 uw_write_header(ctx, value);
adam@1465 3735 uw_write_header(ctx, "\r\n");
adam@1465 3736
adam@1465 3737 return uw_unit_v;
adam@1465 3738 }
adam@1465 3739
adam@1799 3740 uw_Basis_string uw_Basis_getenv(uw_context ctx, uw_Basis_string name) {
adam@1993 3741 if (ctx->get_env)
adam@1993 3742 return ctx->get_env(ctx->get_env_data, name);
adam@1993 3743 else
adam@1994 3744 return getenv(name);
adam@1799 3745 }
adam@1799 3746
adamc@734 3747 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 3748 return s ? s : "";
adamc@734 3749 }
adamc@734 3750
adamc@734 3751 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 3752 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 3753 int i;
phurst@1981 3754
adamc@734 3755 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 3756 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 3757
adamc@734 3758 return r;
adamc@734 3759 }
adamc@734 3760
adam@1512 3761 /* This bit of crafty code is intended to prevent GCC from performing
adam@1512 3762 * optimizations that would enable timing attacks. See:
adam@1512 3763 * http://www.impredicative.com/pipermail/ur/2011-July/000659.html
adam@1512 3764 */
adam@1512 3765 int uw_streq(uw_Basis_string s1, uw_Basis_string s2) {
adam@1512 3766 int i, x = 0, len1 = strlen(s1);
adam@1512 3767
adam@1512 3768 if (len1 != strlen(s2)) return 0;
adam@1512 3769
adam@1512 3770 for (i = 0; i < len1; ++i) {
adam@1512 3771 __asm__ __volatile__ ("");
adam@1512 3772 x |= s1[i] ^ s2[i];
adam@1512 3773 }
adam@1512 3774
adam@1512 3775 return x == 0;
adam@1512 3776 }
adam@1512 3777
adamc@734 3778 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adam@1877 3779 ctx->usedSig = 1;
adamc@1094 3780 return ctx->app->cookie_sig(ctx);
adamc@734 3781 }
adamc@737 3782
adamc@737 3783 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 3784 return f.name;
adamc@737 3785 }
adamc@737 3786
adamc@740 3787 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 3788 return f.type;
adamc@740 3789 }
adamc@740 3790
adamc@745 3791 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 3792 return b.size;
adamc@745 3793 }
adamc@745 3794
adamc@1119 3795 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119 3796 uw_Basis_blob b = {strlen(s), s};
adamc@1119 3797
adamc@1119 3798 return b;
adamc@1119 3799 }
adamc@1119 3800
adamc@737 3801 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 3802 return f.data;
adamc@737 3803 }
adamc@741 3804
adam@1347 3805 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3806 return pb.type;
adam@1347 3807 }
adam@1347 3808
adam@1347 3809 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3810 return pb.data;
adam@1347 3811 }
adam@1347 3812
adam@1471 3813 static char *old_headers(uw_context ctx) {
adam@1471 3814 if (uw_buffer_used(&ctx->outHeaders) == 0)
adam@1471 3815 return NULL;
adam@1471 3816 else {
adam@1471 3817 char *s = strchr(ctx->outHeaders.start, '\n');
adam@1471 3818
adam@1471 3819 if (s == NULL || strncasecmp(s+1, "Content-type: ", 14))
adam@1471 3820 return NULL;
adam@1471 3821 else {
adam@1471 3822 s = strchr(s+15, '\n');
adam@1471 3823 if (s == NULL)
adam@1471 3824 return NULL;
adam@1471 3825 else
adam@1471 3826 return uw_strdup(ctx, s+1);
adam@1471 3827 }
adam@1471 3828 }
adam@1471 3829 }
adam@1471 3830
adamc@741 3831 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 3832 cleanup *cl;
adamc@741 3833 int len;
adam@1471 3834 char *oldh;
adamc@741 3835
adam@1451 3836 if (!ctx->allowed_to_return_indirectly)
adam@1451 3837 uw_error(ctx, FATAL, "Tried to return a blob from an RPC");
adam@1451 3838
adamc@1065 3839 ctx->returning_indirectly = 1;
adam@1471 3840 oldh = old_headers(ctx);
adam@1369 3841 uw_buffer_reset(&ctx->outHeaders);
adam@1369 3842 uw_buffer_reset(&ctx->page);
adamc@741 3843
adamc@856 3844 uw_write_header(ctx, on_success);
adamc@856 3845 uw_write_header(ctx, "Content-Type: ");
adamc@741 3846 uw_write_header(ctx, mimeType);
adam@1934 3847 uw_write_header(ctx, "\r\nContent-length: ");
adam@1369 3848 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134 3849 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741 3850 ctx->outHeaders.front += len;
adamc@1066 3851 uw_write_header(ctx, "\r\n");
adam@1471 3852 if (oldh) uw_write_header(ctx, oldh);
adamc@741 3853
adam@1369 3854 ctx_uw_buffer_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741 3855
adamc@741 3856 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 3857 cl->func(cl->arg);
adamc@741 3858
adamc@741 3859 ctx->cleanup_front = ctx->cleanup;
adamc@741 3860
adamc@1065 3861 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065 3862 }
adamc@1065 3863
adam@1932 3864 __attribute__((noreturn)) void uw_return_blob_from_page(uw_context ctx, uw_Basis_string mimeType) {
adam@1932 3865 cleanup *cl;
adam@1932 3866 int len;
adam@1932 3867 char *oldh;
adam@1932 3868
adam@1932 3869 if (!ctx->allowed_to_return_indirectly)
adam@1932 3870 uw_error(ctx, FATAL, "Tried to return a blob from an RPC");
adam@1932 3871
adam@1932 3872 ctx->returning_indirectly = 1;
adam@1932 3873 oldh = old_headers(ctx);
adam@1932 3874 uw_buffer_reset(&ctx->outHeaders);
adam@1932 3875
adam@1932 3876 uw_write_header(ctx, on_success);
adam@1932 3877 uw_write_header(ctx, "Content-Type: ");
adam@1932 3878 uw_write_header(ctx, mimeType);
adam@1934 3879 uw_write_header(ctx, "\r\nContent-length: ");
adam@1932 3880 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adam@1932 3881 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)uw_buffer_used(&ctx->page), &len);
adam@1932 3882 ctx->outHeaders.front += len;
adam@1932 3883 uw_write_header(ctx, "\r\n");
adam@1932 3884 if (oldh) uw_write_header(ctx, oldh);
adam@1932 3885
adam@1932 3886 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adam@1932 3887 cl->func(cl->arg);
adam@1932 3888
adam@1932 3889 ctx->cleanup_front = ctx->cleanup;
adam@1932 3890
adam@1932 3891 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adam@1932 3892 }
adam@1932 3893
adamc@1065 3894 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065 3895 cleanup *cl;
adamc@1066 3896 char *s;
adam@1471 3897 char *oldh;
adamc@1065 3898
adam@1451 3899 if (!ctx->allowed_to_return_indirectly)
adam@1451 3900 uw_error(ctx, FATAL, "Tried to redirect from an RPC");
adam@1451 3901
adamc@1065 3902 ctx->returning_indirectly = 1;
adam@1471 3903 oldh = old_headers(ctx);
adam@1369 3904 uw_buffer_reset(&ctx->page);
adam@1369 3905 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->outHeaders)+1);
adam@1369 3906 memcpy(ctx->page.start, ctx->outHeaders.start, uw_buffer_used(&ctx->outHeaders));
adam@1369 3907 ctx->page.start[uw_buffer_used(&ctx->outHeaders)] = 0;
adam@1369 3908 uw_buffer_reset(&ctx->outHeaders);
adamc@1065 3909
adam@1409 3910 if (on_success[0])
adam@1409 3911 uw_write_header(ctx, on_redirect);
adam@1409 3912 else
adam@1409 3913 uw_write_header(ctx, "Status: 303 See Other\r\n");
adam@1409 3914 s = on_success[0] ? strchr(ctx->page.start, '\n') : ctx->page.start;
adamc@1066 3915 if (s) {
adamc@1066 3916 char *s2;
adam@1409 3917 if (s[0] == '\n') ++s;
adam@1409 3918 for (; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066 3919 *s2 = 0;
adamc@1066 3920 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066 3921 uw_write_header(ctx, s);
adamc@1066 3922 uw_write_header(ctx, "\n");
adamc@1066 3923 }
adamc@1066 3924 }
adamc@1066 3925 }
adamc@1066 3926
adamc@1065 3927 uw_write_header(ctx, "Location: ");
adamc@1065 3928 uw_write_header(ctx, url);
adamc@1065 3929 uw_write_header(ctx, "\r\n\r\n");
adam@1471 3930 if (oldh) uw_write_header(ctx, oldh);
adamc@1065 3931
adamc@1065 3932 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065 3933 cl->func(cl->arg);
adamc@1065 3934
adamc@1065 3935 ctx->cleanup_front = ctx->cleanup;
adamc@1065 3936
adamc@1065 3937 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741 3938 }
adamc@874 3939
adamc@874 3940 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adam@1467 3941 uw_Basis_string ret = uw_malloc(ctx, strlen(s) + 1), r = ret;
adamc@874 3942
adamc@874 3943 for (; *s; ++s) {
adamc@874 3944 if (s[0] == '\'') {
adamc@874 3945 *r++ = '\'';
adamc@874 3946 for (++s; *s; ++s) {
adamc@874 3947 if (s[0] == '\'') {
adamc@874 3948 *r++ = '\'';
adamc@874 3949 break;
adamc@874 3950 } else if (s[0] == '\\') {
adam@1467 3951 *r++ = '\\';
adam@1467 3952 *r++ = s[1];
adam@1467 3953 ++s;
adamc@874 3954 } else
adamc@874 3955 *r++ = s[0];
adamc@874 3956 }
adamc@874 3957 if (*s == 0) break;
adam@1467 3958 } else if (s[0] == 'T' && s[1] == '_' && s[2] == 'T' && s[3] == '.')
adam@1467 3959 s += 3;
adamc@874 3960 else
adamc@874 3961 *r++ = s[0];
adamc@874 3962 }
adamc@874 3963
adam@1467 3964 *r = 0;
adam@1467 3965 return ret;
adamc@874 3966 }
adamc@874 3967
adamc@922 3968 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922 3969 va_list ap;
adamc@922 3970 size_t len = 1;
adamc@922 3971 char *s, *r, *s2;
phurst@1981 3972
adamc@922 3973 va_start(ap, ctx);
adamc@922 3974 for (s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3975 len += strlen(s);
adamc@922 3976 va_end(ap);
adamc@922 3977
adamc@922 3978 r = uw_malloc(ctx, len);
adamc@922 3979 va_start(ap, ctx);
adamc@922 3980 for (s2 = r, s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3981 while (*s)
adamc@922 3982 *s2++ = *s++;
adamc@922 3983 va_end(ap);
adamc@922 3984 *s2 = 0;
adamc@922 3985
adamc@922 3986 return r;
adamc@922 3987 }
adamc@1006 3988
adam@1365 3989 const uw_Basis_time uw_Basis_minTime = {};
adamc@1050 3990
adamc@1006 3991 uw_Basis_time uw_Basis_now(uw_context ctx) {
adam@1365 3992 uw_Basis_time r = { time(NULL) };
adam@1365 3993 return r;
adamc@1006 3994 }
adamc@1061 3995
adam@1369 3996 uw_Basis_time uw_Basis_addSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adam@1369 3997 tm.seconds += n;
adam@1365 3998 return tm;
adamc@1138 3999 }
adamc@1138 4000
adam@1514 4001 uw_Basis_int uw_Basis_diffInSeconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1514 4002 return difftime(tm2.seconds, tm1.seconds);
adam@1514 4003 }
adam@1514 4004
adam@1685 4005 uw_Basis_int uw_Basis_toMilliseconds(uw_context ctx, uw_Basis_time tm) {
adam@1685 4006 return tm.seconds * 1000 + tm.microseconds / 1000;
adam@1685 4007 }
adam@1685 4008
adam@1685 4009 uw_Basis_int uw_Basis_diffInMilliseconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1685 4010 return uw_Basis_toMilliseconds(ctx, tm2) - uw_Basis_toMilliseconds(ctx, tm1);
adam@1685 4011 }
adam@1685 4012
adam@1514 4013 uw_Basis_int uw_Basis_toSeconds(uw_context ctx, uw_Basis_time tm) {
adam@1514 4014 return tm.seconds;
adam@1514 4015 }
adam@1514 4016
phurst@1971 4017 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 4018 struct tm tm = { .tm_year = year - 1900, .tm_mon = month, .tm_mday = day,
adam@2015 4019 .tm_hour = hour, .tm_min = minute, .tm_sec = second,
adam@2015 4020 .tm_isdst = -1 };
phurst@1984 4021 uw_Basis_time r = { timelocal(&tm) };
phurst@1971 4022 return r;
phurst@1971 4023 }
phurst@1971 4024
phurst@1971 4025 uw_Basis_int uw_Basis_datetimeYear(uw_context ctx, uw_Basis_time time) {
phurst@1971 4026 struct tm tm;
phurst@1982 4027 localtime_r(&time.seconds, &tm);
phurst@1971 4028 return tm.tm_year + 1900;
phurst@1971 4029 }
phurst@1971 4030
phurst@1971 4031 uw_Basis_int uw_Basis_datetimeMonth(uw_context ctx, uw_Basis_time time) {
phurst@1971 4032 struct tm tm;
phurst@1982 4033 localtime_r(&time.seconds, &tm);
phurst@1971 4034 return tm.tm_mon;
phurst@1971 4035 }
phurst@1971 4036
phurst@1971 4037 uw_Basis_int uw_Basis_datetimeDay(uw_context ctx, uw_Basis_time time) {
phurst@1971 4038 struct tm tm;
phurst@1982 4039 localtime_r(&time.seconds, &tm);
phurst@1971 4040 return tm.tm_mday;
phurst@1971 4041 }
phurst@1971 4042
phurst@1971 4043 uw_Basis_int uw_Basis_datetimeHour(uw_context ctx, uw_Basis_time time) {
phurst@1971 4044 struct tm tm;
phurst@1982 4045 localtime_r(&time.seconds, &tm);
phurst@1971 4046 return tm.tm_hour;
phurst@1971 4047 }
phurst@1971 4048
phurst@1971 4049 uw_Basis_int uw_Basis_datetimeMinute(uw_context ctx, uw_Basis_time time) {
phurst@1971 4050 struct tm tm;
phurst@1982 4051 localtime_r(&time.seconds, &tm);
phurst@1971 4052 return tm.tm_min;
phurst@1971 4053 }
phurst@1971 4054
phurst@1971 4055 uw_Basis_int uw_Basis_datetimeSecond(uw_context ctx, uw_Basis_time time) {
phurst@1971 4056 struct tm tm;
phurst@1982 4057 localtime_r(&time.seconds, &tm);
phurst@1971 4058 return tm.tm_sec;
phurst@1971 4059 }
phurst@1971 4060
phurst@1973 4061 uw_Basis_int uw_Basis_datetimeDayOfWeek(uw_context ctx, uw_Basis_time time) {
phurst@1973 4062 struct tm tm;
phurst@1982 4063 localtime_r(&time.seconds, &tm);
phurst@1973 4064 return tm.tm_wday;
phurst@1973 4065 }
phurst@1971 4066
phurst@1971 4067
adamc@1061 4068 void *uw_get_global(uw_context ctx, char *name) {
adamc@1061 4069 int i;
adamc@1061 4070
adamc@1061 4071 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 4072 if (!strcmp(name, ctx->globals[i].name))
adamc@1061 4073 return ctx->globals[i].data;
adamc@1061 4074
adamc@1061 4075 return NULL;
adamc@1061 4076 }
adamc@1061 4077
adamc@1113 4078 size_t uw_globals_max = SIZE_MAX;
adamc@1113 4079
adamc@1061 4080 void uw_set_global(uw_context ctx, char *name, void *data, void (*free)(void*)) {
adamc@1061 4081 int i;
adamc@1061 4082
adamc@1061 4083 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 4084 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089 4085 if (ctx->globals[i].free)
adamc@1061 4086 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061 4087 ctx->globals[i].data = data;
adamc@1061 4088 ctx->globals[i].free = free;
adamc@1061 4089 return;
adamc@1061 4090 }
adamc@1089 4091
adamc@1113 4092 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113 4093 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113 4094
adamc@1061 4095 ++ctx->n_globals;
adamc@1061 4096 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061 4097 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061 4098 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061 4099 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061 4100 }
adamc@1061 4101
adamc@1061 4102 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153 4103 return !!isalnum((int)c);
adamc@1061 4104 }
adamc@1061 4105
adamc@1061 4106 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153 4107 return !!isalpha((int)c);
adamc@1061 4108 }
adamc@1061 4109
adamc@1061 4110 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153 4111 return !!isblank((int)c);
adamc@1061 4112 }
adamc@1061 4113
adamc@1061 4114 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153 4115 return !!iscntrl((int)c);
adamc@1061 4116 }
adamc@1061 4117
adamc@1061 4118 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 4119 return !!isdigit((int)c);
adamc@1061 4120 }
adamc@1061 4121
adamc@1061 4122 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153 4123 return !!isgraph((int)c);
adamc@1061 4124 }
adamc@1061 4125
adamc@1061 4126 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153 4127 return !!islower((int)c);
adamc@1061 4128 }
adamc@1061 4129
adamc@1061 4130 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153 4131 return !!isprint((int)c);
adamc@1061 4132 }
adamc@1061 4133
adamc@1061 4134 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153 4135 return !!ispunct((int)c);
adamc@1061 4136 }
adamc@1061 4137
adamc@1061 4138 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153 4139 return !!isspace((int)c);
adamc@1061 4140 }
adamc@1063 4141
adamc@1061 4142 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 4143 return !!isupper((int)c);
adamc@1061 4144 }
adamc@1061 4145
adamc@1061 4146 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 4147 return !!isxdigit((int)c);
adamc@1061 4148 }
adamc@1061 4149
adamc@1061 4150 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153 4151 return tolower((int)c);
adamc@1061 4152 }
adamc@1061 4153
adamc@1061 4154 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 4155 return toupper((int)c);
adamc@1061 4156 }
adamc@1066 4157
adamc@1128 4158 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128 4159 return (unsigned char)c;
adamc@1128 4160 }
adamc@1128 4161
adamc@1128 4162 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128 4163 return n;
adamc@1128 4164 }
adamc@1128 4165
adamc@1066 4166 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066 4167 return ctx->current_url;
adamc@1066 4168 }
adamc@1066 4169
adamc@1066 4170 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066 4171 ctx->current_url = s;
adamc@1066 4172 }
adamc@1114 4173
adamc@1114 4174 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114 4175 ctx->deadline = n;
adamc@1114 4176 }
adamc@1114 4177
adamc@1114 4178 void uw_check_deadline(uw_context ctx) {
adamc@1114 4179 if (uw_time > ctx->deadline)
adamc@1114 4180 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114 4181 }
adamc@1115 4182
adamc@1115 4183 size_t uw_database_max = SIZE_MAX;
adamc@1120 4184
adam@1389 4185 uw_Basis_int uw_Basis_naughtyDebug(uw_context ctx, uw_Basis_string s) {
adam@1389 4186 fprintf(stderr, "%s\n", s);
adam@1389 4187 return 0;
adam@1389 4188 }
adam@1389 4189
adamc@1120 4190 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
grrwlf@1997 4191 if (ctx->loggers->log_debug)
grrwlf@1997 4192 ctx->loggers->log_debug(ctx->loggers->logger_data, "%s\n", s);
adam@1334 4193 else
adam@1334 4194 fprintf(stderr, "%s\n", s);
adamc@1120 4195 return uw_unit_v;
adamc@1120 4196 }
adamc@1250 4197
adam@1933 4198 static pthread_mutex_t rand_mutex = PTHREAD_MUTEX_INITIALIZER;
adam@1933 4199
adamc@1250 4200 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adam@1486 4201 uw_Basis_int ret;
adam@1933 4202 pthread_mutex_lock(&rand_mutex);
adam@1486 4203 int r = RAND_bytes((unsigned char *)&ret, sizeof ret);
adam@1933 4204 pthread_mutex_unlock(&rand_mutex);
phurst@1981 4205
adam@1486 4206 if (r)
adam@1486 4207 return abs(ret);
adam@1486 4208 else
adam@1486 4209 uw_error(ctx, FATAL, "Random number generation failed");
adamc@1250 4210 }
adam@1347 4211
adam@1347 4212 void uw_noPostBody(uw_context ctx) {
adam@1347 4213 ctx->hasPostBody = 0;
adam@1347 4214 }
adam@1347 4215
adam@1347 4216 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 4217 ctx->hasPostBody = 1;
adam@1347 4218 ctx->postBody = pb;
adam@1347 4219 }
adam@1347 4220
adam@1347 4221 int uw_hasPostBody(uw_context ctx) {
adam@1347 4222 return ctx->hasPostBody;
adam@1347 4223 }
adam@1347 4224
adam@1386 4225 void uw_isPost(uw_context ctx) {
adam@1386 4226 ctx->isPost = 1;
adam@1386 4227 }
adam@1386 4228
adam@1386 4229 uw_Basis_bool uw_Basis_currentUrlHasPost(uw_context ctx) {
adam@1386 4230 return ctx->isPost;
adam@1386 4231 }
adam@1386 4232
adam@1485 4233 uw_Basis_bool uw_Basis_currentUrlHasQueryString(uw_context ctx) {
adam@1485 4234 return ctx->queryString != NULL && ctx->queryString[0] != 0;
adam@1485 4235 }
adam@1485 4236
adam@1370 4237 void uw_setQueryString(uw_context ctx, uw_Basis_string s) {
adam@1370 4238 ctx->queryString = s;
adam@1370 4239 }
adam@1370 4240
adam@1370 4241 uw_Basis_string uw_queryString(uw_context ctx) {
adam@1370 4242 return ctx->queryString;
adam@1370 4243 }
adam@1370 4244
adam@1347 4245 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347 4246 if (ctx->hasPostBody)
adam@1347 4247 return ctx->postBody;
adam@1347 4248 else
adam@1347 4249 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347 4250 }
adam@1349 4251
adam@1349 4252 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349 4253 int r = setjmp(ctx->jmp_buf);
adam@1349 4254
adam@1349 4255 if (r == 0) {
adam@1936 4256 uw_ensure_transaction(ctx);
adam@1418 4257
adam@1349 4258 callback(ctx);
adam@1349 4259 }
adam@1349 4260
adam@1349 4261 return r;
adam@1349 4262 }
adam@1360 4263
adam@1360 4264 uw_Basis_string uw_Basis_crypt(uw_context ctx, uw_Basis_string key, uw_Basis_string salt) {
adam@1397 4265 char buf[14];
adam@1397 4266 return uw_strdup(ctx, DES_fcrypt(key, salt, buf));
adam@1360 4267 }
adam@1365 4268
adam@1365 4269 uw_Basis_bool uw_Basis_eq_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 4270 return !!(t1.seconds == t2.seconds && t1.microseconds == t2.microseconds);
adam@1365 4271 }
adam@1365 4272
adam@1365 4273 uw_Basis_bool uw_Basis_lt_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@2034 4274 return !!(t1.seconds < t2.seconds || (t1.seconds == t2.seconds && t1.microseconds < t2.microseconds));
adam@1365 4275 }
adam@1365 4276
adam@1365 4277 uw_Basis_bool uw_Basis_le_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 4278 return !!(uw_Basis_eq_time(ctx, t1, t2) || uw_Basis_lt_time(ctx, t1, t2));
adam@1365 4279 }
adam@1365 4280
adam@1372 4281 uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374 4282 struct tm stm = {};
adam@1375 4283 char *end = strchr(s, 0);
adam@1449 4284 stm.tm_isdst = -1;
adam@1375 4285
adam@1632 4286 if (strptime(s, TIME_FMT_PG, &stm) == end || strptime(s, TIME_FMT, &stm) == end || strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1373 4287 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1375 4288
kkallio@1448 4289 r->seconds = timegm(&stm);
adam@1373 4290 r->microseconds = 0;
adam@1373 4291
adam@1373 4292 return r;
adam@1374 4293 }
adam@1374 4294 else
adam@1373 4295 return NULL;
adam@1372 4296 }
adam@1407 4297
adam@1407 4298 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1407 4299 int r = setjmp(ctx->jmp_buf);
adam@1407 4300
adam@1407 4301 if (ctx->app->on_error) {
adam@1407 4302 if (r == 0) {
adam@1936 4303 uw_ensure_transaction(ctx);
adam@1407 4304
adam@1409 4305 uw_buffer_reset(&ctx->outHeaders);
adam@1409 4306 if (on_success[0])
adam@1409 4307 uw_write_header(ctx, "HTTP/1.1 ");
adam@1409 4308 else
adam@1409 4309 uw_write_header(ctx, "Status: ");
adam@1409 4310 uw_write_header(ctx, "500 Internal Server Error\r\n");
adam@1919 4311 uw_write_header(ctx, "Content-type: text/html\r\n");
adam@1956 4312 uw_write(ctx, ctx->app->is_html5 ? uw_begin_html5 : uw_begin_xhtml);
adam@1407 4313 ctx->app->on_error(ctx, msg);
adam@1407 4314 uw_write(ctx, "</html>");
adam@1407 4315 }
adam@1407 4316
adam@1407 4317 return r;
adam@1407 4318 } else
adam@1407 4319 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1407 4320 }
adam@1451 4321
adam@1451 4322 void uw_mayReturnIndirectly(uw_context ctx) {
adam@1451 4323 ctx->allowed_to_return_indirectly = 1;
adam@1451 4324 }
adam@1483 4325
adam@1556 4326 uw_Basis_string uw_Basis_fresh(uw_context ctx) {
adam@1703 4327 int len;
adam@1703 4328 char *r;
adam@1703 4329
adam@1703 4330 uw_check_heap(ctx, 2+INTS_MAX);
adam@1703 4331 r = ctx->heap.front;
adam@1703 4332 sprintf(r, "uw%u%n", ctx->nextId++, &len);
adam@1703 4333 ctx->heap.front += len+1;
adam@1703 4334 return r;
adam@1556 4335 }
adam@1571 4336
adam@1571 4337 uw_Basis_float uw_Basis_floatFromInt(uw_context ctx, uw_Basis_int n) {
adam@1571 4338 return n;
adam@1571 4339 }
adam@1571 4340
adam@1571 4341 uw_Basis_int uw_Basis_ceil(uw_context ctx, uw_Basis_float n) {
adam@1571 4342 return ceil(n);
adam@1571 4343 }
adam@1571 4344
adam@1571 4345 uw_Basis_int uw_Basis_trunc(uw_context ctx, uw_Basis_float n) {
adam@1571 4346 return trunc(n);
adam@1571 4347 }
adam@1571 4348
adam@1571 4349 uw_Basis_int uw_Basis_round(uw_context ctx, uw_Basis_float n) {
adam@1571 4350 return round(n);
adam@1571 4351 }
adam@1755 4352
adam@1755 4353 uw_Basis_string uw_Basis_atom(uw_context ctx, uw_Basis_string s) {
adam@1755 4354 char *p;
adam@1755 4355
adam@1755 4356 for (p = s; *p; ++p) {
adam@1755 4357 char c = *p;
adam@1801 4358 if (!isalnum((int)c) && c != '+' && c != '-' && c != '.' && c != '%' && c != '#')
adam@1755 4359 uw_error(ctx, FATAL, "Disallowed character in CSS atom");
adam@1755 4360 }
adam@1755 4361
adam@1755 4362 return s;
adam@1755 4363 }
adam@1755 4364
adam@1755 4365 uw_Basis_string uw_Basis_css_url(uw_context ctx, uw_Basis_string s) {
adam@1755 4366 char *p;
adam@1755 4367
adam@1755 4368 for (p = s; *p; ++p) {
adam@1755 4369 char c = *p;
adam@1801 4370 if (!isalnum((int)c) && c != ':' && c != '/' && c != '.' && c != '_' && c != '+'
adam@1755 4371 && c != '-' && c != '%' && c != '?' && c != '&' && c != '=' && c != '#')
adam@1755 4372 uw_error(ctx, FATAL, "Disallowed character in CSS URL");
adam@1755 4373 }
adam@1755 4374
adam@1755 4375 return s;
adam@1755 4376 }
adam@1755 4377
adam@1755 4378 uw_Basis_string uw_Basis_property(uw_context ctx, uw_Basis_string s) {
adam@1755 4379 char *p;
adam@1755 4380
adam@1755 4381 if (!*s)
adam@1755 4382 uw_error(ctx, FATAL, "Empty CSS property");
adam@1755 4383
adam@1801 4384 if (!islower((int)s[0]) && s[0] != '_')
adam@1755 4385 uw_error(ctx, FATAL, "Bad initial character in CSS property");
adam@1755 4386
adam@1755 4387 for (p = s; *p; ++p) {
adam@1755 4388 char c = *p;
adam@1801 4389 if (!islower((int)c) && !isdigit((int)c) && c != '_' && c != '-')
adam@1755 4390 uw_error(ctx, FATAL, "Disallowed character in CSS property");
adam@1755 4391 }
adam@1755 4392
adam@1755 4393 return s;
adam@1755 4394 }
adam@1787 4395
adam@1787 4396 uw_Basis_string uw_Basis_fieldName(uw_context ctx, uw_Basis_postField f) {
adam@1787 4397 return f.name;
adam@1787 4398 }
adam@1787 4399
adam@1787 4400 uw_Basis_string uw_Basis_fieldValue(uw_context ctx, uw_Basis_postField f) {
adam@1787 4401 return f.value;
adam@1787 4402 }
adam@1787 4403
adam@1787 4404 uw_Basis_string uw_Basis_remainingFields(uw_context ctx, uw_Basis_postField f) {
adam@1787 4405 return f.remaining;
adam@1787 4406 }
adam@1787 4407
adam@1787 4408 uw_Basis_postField *uw_Basis_firstFormField(uw_context ctx, uw_Basis_string s) {
adam@1788 4409 char *unurl;
adam@1787 4410 uw_Basis_postField *f;
adam@1787 4411
adam@1788 4412 if (!ctx->hasPostBody)
adam@1788 4413 uw_error(ctx, FATAL, "firstFormField called when there is no POST body");
adam@1788 4414
adam@1788 4415 if (s < ctx->postBody.data || s >= ctx->postBody.data + ctx->postBody.len)
adam@1787 4416 return NULL;
adam@1787 4417
adam@1787 4418 f = uw_malloc(ctx, sizeof(uw_Basis_postField));
adam@1788 4419 unurl = s;
adam@1787 4420 f->name = uw_Basis_unurlifyString(ctx, &unurl);
adam@1788 4421 s = strchr(s, 0);
adam@1788 4422 if (!s)
adam@1788 4423 uw_error(ctx, FATAL, "firstFormField: Missing null terminator");
adam@1788 4424 ++s;
adam@1788 4425 unurl = s;
adam@1788 4426 f->value = uw_Basis_unurlifyString(ctx, &unurl);
adam@1788 4427 s = strchr(s, 0);
adam@1788 4428 if (!s)
adam@1788 4429 uw_error(ctx, FATAL, "firstFormField: Missing null terminator");
adam@1788 4430 f->remaining = s+1;
adam@1787 4431
adam@1787 4432 return f;
adam@1787 4433 }
adam@2008 4434
adam@2008 4435 uw_Basis_string uw_Basis_blessData(uw_context ctx, uw_Basis_string s) {
adam@2008 4436 char *p = s;
adam@2008 4437
adam@2008 4438 for (; *p; ++p)
adam@2008 4439 if (!isalnum(*p) && *p != '-' && *p != '_')
adam@2008 4440 uw_error(ctx, FATAL, "Illegal HTML5 data-* attribute: %s", s);
adam@2008 4441
adam@2008 4442 return s;
adam@2008 4443 }