annotate src/c/urweb.c @ 1878:df6a040f5389

Make transactional FFI functions effectful by default
author Adam Chlipala <adam@chlipala.net>
date Thu, 10 Oct 2013 18:01:30 -0400
parents 22b44fe822bf
children 0354df1b6849
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;
adamc@272 434
adamc@167 435 jmp_buf jmp_buf;
adamc@167 436
adamc@323 437 regions *regions;
adamc@323 438
adamc@425 439 cleanup *cleanup, *cleanup_front, *cleanup_back;
adamc@425 440
adamc@1094 441 const char *script_header;
adamc@643 442
adamc@736 443 int needs_push, needs_sig;
adamc@693 444
adamc@682 445 size_t n_deltas, used_deltas;
adamc@682 446 delta *deltas;
adamc@671 447
adamc@682 448 client *client;
adamc@682 449
adamc@771 450 transactional *transactionals;
adamc@771 451 size_t n_transactionals, used_transactionals;
adamc@771 452
adamc@1061 453 global *globals;
adamc@1061 454 size_t n_globals;
adamc@1061 455
adamc@1066 456 char *current_url;
adamc@1066 457
adamc@1114 458 int deadline;
adamc@1114 459
adamc@1121 460 void *client_data;
adamc@1121 461
adam@1334 462 void *logger_data;
adam@1334 463 uw_logger log_debug;
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;
adamc@117 476 };
adamc@117 477
adamc@1113 478 size_t uw_headers_max = SIZE_MAX;
adamc@1113 479 size_t uw_page_max = SIZE_MAX;
adamc@1113 480 size_t uw_heap_max = SIZE_MAX;
adamc@1113 481 size_t uw_script_max = SIZE_MAX;
adamc@1113 482
adam@1446 483 uw_context uw_init(int id, void *logger_data, uw_logger log_debug) {
adamc@311 484 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 485
adamc@1094 486 ctx->app = NULL;
adam@1446 487 ctx->id = id;
adamc@1094 488
adamc@854 489 ctx->get_header = NULL;
adamc@854 490 ctx->get_header_data = NULL;
adamc@457 491
adam@1799 492 ctx->get_env = NULL;
adam@1799 493 ctx->get_env_data = NULL;
adam@1799 494
adam@1413 495 uw_buffer_init(uw_headers_max, &ctx->outHeaders, 1);
adam@1413 496 ctx->outHeaders.start[0] = 0;
adam@1413 497 uw_buffer_init(uw_page_max, &ctx->page, 1);
adam@1413 498 ctx->page.start[0] = 0;
adam@1451 499 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 500 uw_buffer_init(uw_heap_max, &ctx->heap, uw_min_heap);
adam@1369 501 uw_buffer_init(uw_script_max, &ctx->script, 1);
adamc@667 502 ctx->script.start[0] = 0;
adamc@136 503
adamc@1094 504 ctx->inputs = malloc(0);
adamc@759 505 ctx->cur_container = NULL;
adamc@756 506 ctx->subinputs = malloc(0);
adamc@1094 507 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 508
adamc@272 509 ctx->db = NULL;
adamc@272 510
adamc@323 511 ctx->regions = NULL;
adamc@323 512
adamc@425 513 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 514
adamc@643 515 ctx->script_header = "";
adamc@693 516 ctx->needs_push = 0;
adamc@736 517 ctx->needs_sig = 0;
adamc@1104 518
adamc@565 519 ctx->source_count = 0;
adamc@562 520
adamc@682 521 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 522 ctx->deltas = malloc(0);
adamc@671 523
adamc@700 524 ctx->client = NULL;
adamc@700 525
adamc@700 526 ctx->error_message[0] = 0;
adamc@700 527
adamc@771 528 ctx->transactionals = malloc(0);
adamc@771 529 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 530
adamc@1061 531 ctx->globals = malloc(0);
adamc@1061 532 ctx->n_globals = 0;
adamc@1061 533
adamc@1066 534 ctx->current_url = "";
adamc@1066 535
adamc@1114 536 ctx->deadline = INT_MAX;
adamc@1114 537
adamc@1121 538 ctx->client_data = uw_init_client_data();
adamc@1121 539
adam@1334 540 ctx->logger_data = logger_data;
adam@1334 541 ctx->log_debug = log_debug;
adam@1334 542
adam@1386 543 ctx->isPost = ctx->hasPostBody = 0;
adam@1347 544
adam@1370 545 ctx->queryString = NULL;
adam@1370 546
adam@1556 547 ctx->nextId = 0;
adam@1556 548
adam@1782 549 ctx->amInitializing = 0;
adam@1782 550
adam@1877 551 ctx->usedSig = 0;
adam@1877 552 ctx->needsResig = 0;
adam@1877 553
adamc@117 554 return ctx;
adamc@106 555 }
adamc@106 556
adamc@1113 557 size_t uw_inputs_max = SIZE_MAX;
adamc@1113 558
adamc@1121 559 uw_app *uw_get_app(uw_context ctx) {
adamc@1121 560 return ctx->app;
adamc@1121 561 }
adamc@1121 562
adamc@1113 563 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094 564 ctx->app = app;
adamc@1094 565
adamc@1105 566 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113 567 if (app->inputs_len > uw_inputs_max)
adamc@1113 568 return 1;
adamc@1113 569
adamc@1094 570 ctx->sz_inputs = app->inputs_len;
adamc@1094 571 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094 572 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094 573 }
adamc@1134 574
adamc@1134 575 return 0;
adamc@1094 576 }
adamc@1094 577
adamc@1121 578 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121 579 uw_copy_client_data(ctx->client_data, data);
adamc@1121 580 }
adamc@1121 581
adamc@311 582 void uw_set_db(uw_context ctx, void *db) {
adamc@272 583 ctx->db = db;
adamc@272 584 }
adamc@272 585
adamc@311 586 void *uw_get_db(uw_context ctx) {
adamc@272 587 return ctx->db;
adamc@272 588 }
adamc@272 589
adamc@311 590 void uw_free(uw_context ctx) {
adamc@671 591 size_t i;
adamc@671 592
adam@1369 593 uw_buffer_free(&ctx->outHeaders);
adam@1369 594 uw_buffer_free(&ctx->script);
adam@1369 595 uw_buffer_free(&ctx->page);
adam@1369 596 uw_buffer_free(&ctx->heap);
adamc@144 597 free(ctx->inputs);
adamc@756 598 free(ctx->subinputs);
adamc@425 599 free(ctx->cleanup);
adamc@771 600 free(ctx->transactionals);
adamc@1121 601 uw_free_client_data(ctx->client_data);
adamc@671 602
adamc@682 603 for (i = 0; i < ctx->n_deltas; ++i)
adam@1369 604 uw_buffer_free(&ctx->deltas[i].msgs);
marco-oweber@1330 605 free(ctx->deltas);
adamc@671 606
adamc@1061 607 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089 608 if (ctx->globals[i].free)
adamc@1089 609 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330 610 free(ctx->globals);
adamc@1061 611
adamc@136 612 free(ctx);
adamc@136 613 }
adamc@136 614
adamc@562 615 void uw_reset_keep_error_message(uw_context ctx) {
adam@1369 616 uw_buffer_reset(&ctx->outHeaders);
adam@1369 617 uw_buffer_reset(&ctx->script);
adamc@667 618 ctx->script.start[0] = 0;
adam@1369 619 uw_buffer_reset(&ctx->page);
adam@1451 620 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369 621 uw_buffer_reset(&ctx->heap);
adamc@323 622 ctx->regions = NULL;
adamc@425 623 ctx->cleanup_front = ctx->cleanup;
adamc@682 624 ctx->used_deltas = 0;
adamc@682 625 ctx->client = NULL;
adamc@759 626 ctx->cur_container = NULL;
adamc@771 627 ctx->used_transactionals = 0;
adamc@1117 628 ctx->script_header = "";
adam@1370 629 ctx->queryString = NULL;
adam@1556 630 ctx->nextId = 0;
adam@1782 631 ctx->amInitializing = 0;
adam@1877 632 ctx->usedSig = 0;
adam@1877 633 ctx->needsResig = 0;
adamc@167 634 }
adamc@167 635
adamc@562 636 void uw_reset_keep_request(uw_context ctx) {
adamc@562 637 uw_reset_keep_error_message(ctx);
adamc@562 638 ctx->error_message[0] = 0;
adamc@167 639 }
adamc@167 640
adamc@311 641 void uw_reset(uw_context ctx) {
adamc@311 642 uw_reset_keep_request(ctx);
adamc@1105 643 if (ctx->app)
adamc@1105 644 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756 645 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adam@1461 646 ctx->used_subinputs = ctx->hasPostBody = ctx->isPost = 0;
adamc@144 647 }
adamc@144 648
adamc@311 649 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 650 int r = setjmp(ctx->jmp_buf);
adamc@272 651
adamc@1105 652 if (r == 0 && ctx->app)
adamc@1094 653 ctx->app->db_init(ctx);
adamc@272 654
adamc@272 655 return r;
adamc@272 656 }
adamc@272 657
adamc@1118 658 void uw_close(uw_context ctx) {
adamc@1118 659 ctx->app->db_close(ctx);
adamc@1118 660 }
adamc@1118 661
adam@1446 662 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adam@1446 663 return ctx->get_header(ctx->get_header_data, h);
adam@1446 664 }
adam@1446 665
adamc@854 666 void uw_set_headers(uw_context ctx, char *(*get_header)(void *, const char *), void *get_header_data) {
adamc@854 667 ctx->get_header = get_header;
adamc@854 668 ctx->get_header_data = get_header_data;
adamc@742 669 }
adamc@742 670
adam@1799 671 void uw_set_env(uw_context ctx, char *(*get_env)(void *, const char *), void *get_env_data) {
adam@1799 672 ctx->get_env = get_env;
adam@1799 673 ctx->get_env_data = get_env_data;
adam@1799 674 }
adam@1799 675
adamc@801 676 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801 677 va_list ap;
adamc@801 678 va_start(ap, fmt);
adamc@801 679
adamc@801 680 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801 681 }
adamc@801 682
adamc@1131 683 int uw_has_error(uw_context ctx) {
adamc@1131 684 return ctx->error_message[0] != 0;
adamc@1131 685 }
adamc@1131 686
adamc@311 687 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 688 cleanup *cl;
adamc@425 689
adamc@167 690 va_list ap;
adamc@167 691 va_start(ap, fmt);
adamc@167 692
adamc@167 693 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 694
adamc@425 695 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 696 cl->func(cl->arg);
adamc@425 697
adamc@425 698 ctx->cleanup_front = ctx->cleanup;
adamc@425 699
adamc@190 700 longjmp(ctx->jmp_buf, fk);
adamc@167 701 }
adamc@167 702
adamc@1113 703 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113 704
adamc@425 705 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 706 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 707 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 708 if (len == 0)
adamc@425 709 newLen = 1;
adamc@425 710 else
adamc@428 711 newLen = len * 2;
adamc@1113 712
adamc@1134 713 if (newLen > uw_cleanup_max) {
adamc@1113 714 if (len+1 <= uw_cleanup_max)
adamc@1113 715 newLen = uw_cleanup_max;
adamc@1113 716 else
adamc@1113 717 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134 718 }
adamc@1113 719
adamc@470 720 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 721 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 722 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 723 }
adamc@425 724
adamc@425 725 ctx->cleanup_front->func = func;
adamc@425 726 ctx->cleanup_front->arg = arg;
adamc@425 727 ++ctx->cleanup_front;
adamc@425 728 }
adamc@425 729
adam@1444 730 char *uw_Basis_htmlifyString(uw_context, const char *);
adam@1444 731
adamc@682 732 void uw_login(uw_context ctx) {
adamc@693 733 if (ctx->needs_push) {
adamc@682 734 char *id_s, *pass_s;
adamc@682 735
adamc@682 736 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adamc@682 737 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adamc@682 738 unsigned id = atoi(id_s);
adamc@682 739 int pass = atoi(pass_s);
adamc@682 740 client *c = find_client(id);
adamc@682 741
adamc@682 742 if (c == NULL)
adam@1444 743 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", uw_Basis_htmlifyString(ctx, id_s), uw_Basis_htmlifyString(ctx, pass_s));
adamc@682 744 else {
adamc@685 745 use_client(c);
adamc@682 746 ctx->client = c;
adamc@682 747
adamc@682 748 if (c->mode != USED)
adamc@682 749 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adamc@682 750 if (c->pass != pass)
adamc@682 751 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@682 752 }
adamc@682 753 } else {
adamc@682 754 client *c = new_client();
adamc@1113 755
adamc@1113 756 if (c == NULL)
adamc@1113 757 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adamc@1113 758
adamc@685 759 use_client(c);
adamc@1121 760 uw_copy_client_data(c->data, ctx->client_data);
adamc@682 761 ctx->client = c;
adamc@864 762 }
adamc@682 763 }
adamc@682 764 }
adamc@682 765
adamc@671 766 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671 767 int r = setjmp(ctx->jmp_buf);
adamc@671 768
adamc@671 769 if (r == 0) {
adamc@1094 770 if (ctx->app->db_begin(ctx))
adamc@671 771 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adamc@682 772
adamc@1094 773 ctx->app->handle(ctx, path);
adamc@671 774 }
adamc@671 775
adamc@671 776 return r;
adamc@671 777 }
adamc@671 778
adamc@772 779 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682 780 if (ctx->client == NULL)
adamc@682 781 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682 782
adamc@682 783 return ctx->client->id;
adamc@682 784 }
adamc@682 785
adamc@425 786 void uw_pop_cleanup(uw_context ctx) {
adamc@425 787 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 788 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 789
adamc@425 790 --ctx->cleanup_front;
adamc@425 791 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 792 }
adamc@425 793
adamc@311 794 char *uw_error_message(uw_context ctx) {
adamc@167 795 return ctx->error_message;
adamc@167 796 }
adamc@167 797
adamc@1115 798 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115 799 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115 800 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115 801 }
adamc@1115 802
adamc@759 803 static input *INP(uw_context ctx) {
adamc@759 804 if (ctx->cur_container == NULL)
adamc@759 805 return ctx->inputs;
adamc@759 806 else if (ctx->cur_container->kind == SUBFORM)
adamc@759 807 return ctx->cur_container->data.subform.fields;
adamc@759 808 else if (ctx->cur_container->kind == ENTRY)
adamc@759 809 return ctx->cur_container->data.entry.fields;
adamc@759 810 else
adamc@760 811 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759 812 }
adamc@759 813
adamc@760 814 static void adjust_pointer(input **ptr, input *old_start, input *new_start, size_t len) {
adamc@760 815 if (*ptr != NULL && *ptr >= old_start && *ptr < old_start + len)
adamc@760 816 *ptr += new_start - old_start;
adamc@760 817 }
adamc@760 818
adamc@760 819 static void adjust_input(input *x, input *old_start, input *new_start, size_t len) {
adamc@759 820 switch (x->kind) {
adamc@759 821 case SUBFORM:
adamc@760 822 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760 823 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759 824 break;
adamc@759 825 case SUBFORMS:
adamc@760 826 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760 827 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759 828 break;
adamc@759 829 case ENTRY:
adamc@760 830 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760 831 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760 832 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134 833 break;
adamc@1134 834 default:
adamc@1134 835 break;
adamc@759 836 }
adamc@759 837 }
adamc@759 838
adamc@1113 839 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113 840
adamc@759 841 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759 842 size_t i;
adamc@759 843 input *r;
adamc@759 844
adamc@759 845 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113 846 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113 847 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113 848
adamc@759 849 input *new_subinputs = realloc(ctx->subinputs, sizeof(input) * (ctx->used_subinputs + len));
adamc@759 850
adamc@760 851 if (ctx->subinputs != new_subinputs) {
adamc@760 852 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760 853 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094 854 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760 855 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 856
adamc@760 857 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 858
adamc@760 859 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760 860 ctx->subinputs = new_subinputs;
adamc@760 861 }
adamc@759 862 }
adamc@759 863
adamc@759 864 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759 865
adamc@759 866 for (i = 0; i < len; ++i)
adam@1474 867 ctx->subinputs[ctx->used_subinputs++].kind = UNSET;
adamc@759 868
adamc@759 869 return r;
adamc@759 870 }
adamc@756 871
adamc@801 872 int uw_set_input(uw_context ctx, const char *name, char *value) {
adamc@1050 873 //printf("Input name %s\n", name);
adamc@1038 874
adamc@756 875 if (!strcasecmp(name, ".b")) {
adamc@1094 876 int n = ctx->app->input_num(value);
adamc@756 877 input *inps;
adamc@756 878
adamc@801 879 if (n < 0) {
adam@1444 880 uw_set_error(ctx, "Bad subform name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 881 return -1;
adamc@801 882 }
adamc@801 883
adamc@1094 884 if (n >= ctx->app->inputs_len) {
adam@1444 885 uw_set_error(ctx, "For subform name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 886 return -1;
adamc@801 887 }
adamc@756 888
adamc@1094 889 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759 890
adamc@759 891 INP(ctx)[n].kind = SUBFORM;
adamc@759 892 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759 893 INP(ctx)[n].data.subform.fields = inps;
adamc@759 894 ctx->cur_container = &INP(ctx)[n];
adamc@756 895 } else if (!strcasecmp(name, ".e")) {
adamc@756 896 input *tmp;
adamc@756 897
adamc@801 898 if (ctx->cur_container == NULL) {
adamc@801 899 uw_set_error(ctx, "Unmatched subform closer");
adamc@801 900 return -1;
adamc@801 901 }
adamc@756 902
adamc@759 903 tmp = ctx->cur_container;
adamc@759 904 switch (tmp->kind) {
adamc@759 905 case SUBFORM:
adamc@759 906 ctx->cur_container = tmp->data.subform.parent;
adamc@759 907 tmp->data.subform.parent = NULL;
adamc@759 908 break;
adamc@759 909 case SUBFORMS:
adamc@759 910 ctx->cur_container = tmp->data.subforms.parent;
adamc@759 911 tmp->data.subforms.parent = NULL;
adamc@759 912 break;
adamc@759 913 case ENTRY:
adamc@759 914 ctx->cur_container = tmp->data.entry.parent;
adamc@759 915 break;
adamc@759 916 default:
adamc@801 917 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801 918 return -1;
adamc@759 919 }
adamc@759 920 } else if (!strcasecmp(name, ".s")) {
adamc@1094 921 int n = ctx->app->input_num(value);
adamc@759 922
adamc@801 923 if (n < 0) {
adam@1444 924 uw_set_error(ctx, "Bad subforms name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 925 return -1;
adamc@801 926 }
adamc@801 927
adamc@1094 928 if (n >= ctx->app->inputs_len) {
adam@1444 929 uw_set_error(ctx, "For subforms name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 930 return -1;
adamc@801 931 }
adamc@759 932
adamc@759 933 INP(ctx)[n].kind = SUBFORMS;
adamc@759 934 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 935 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759 936 ctx->cur_container = &INP(ctx)[n];
adamc@759 937 } else if (!strcasecmp(name, ".i")) {
adamc@759 938 input *inps;
adamc@759 939
adamc@801 940 if (!ctx->cur_container) {
adamc@801 941 uw_set_error(ctx, "New entry without container");
adamc@801 942 return -1;
adamc@801 943 }
adamc@801 944
adamc@801 945 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801 946 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801 947 return -1;
adamc@801 948 }
adamc@759 949
adamc@1094 950 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759 951
adamc@759 952 inps->kind = ENTRY;
adamc@759 953 inps->data.entry.parent = ctx->cur_container;
adamc@759 954 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759 955 ctx->cur_container->data.subforms.entries = inps;
adamc@759 956
adamc@759 957 inps->data.entry.fields = inps+1;
adamc@759 958 ctx->cur_container = inps;
adamc@756 959 } else {
adamc@1094 960 int n = ctx->app->input_num(name);
adamc@756 961
adam@1384 962 if (n < 0)
adam@1384 963 return 0;
adamc@801 964
adamc@1094 965 if (n >= ctx->app->inputs_len) {
adam@1444 966 uw_set_error(ctx, "For input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801 967 return -1;
adamc@801 968 }
adamc@756 969
adamc@756 970 INP(ctx)[n].kind = NORMAL;
adamc@756 971 INP(ctx)[n].data.normal = value;
adamc@756 972 }
adamc@801 973
adamc@801 974 return 0;
adamc@144 975 }
adamc@144 976
adamc@311 977 char *uw_get_input(uw_context ctx, int n) {
adamc@169 978 if (n < 0)
adamc@311 979 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 980 if (n >= ctx->app->inputs_len)
adamc@311 981 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 982
adamc@756 983 switch (INP(ctx)[n].kind) {
adamc@737 984 case UNSET:
adamc@737 985 return NULL;
adamc@739 986 case FIL:
adamc@739 987 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 988 case SUBFORM:
adamc@756 989 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 990 case SUBFORMS:
adamc@759 991 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 992 case ENTRY:
adamc@759 993 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 994 case NORMAL:
adamc@756 995 return INP(ctx)[n].data.normal;
adamc@737 996 default:
adamc@737 997 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 998 }
adamc@138 999 }
adamc@138 1000
adamc@311 1001 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 1002 if (n < 0)
adamc@311 1003 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 1004 if (n >= ctx->app->inputs_len)
adamc@311 1005 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 1006
adamc@756 1007 switch (INP(ctx)[n].kind) {
adamc@737 1008 case UNSET:
adamc@737 1009 return "";
adamc@739 1010 case FIL:
adamc@739 1011 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 1012 case SUBFORM:
adamc@756 1013 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 1014 case SUBFORMS:
adamc@759 1015 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 1016 case ENTRY:
adamc@759 1017 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 1018 case NORMAL:
adamc@756 1019 return INP(ctx)[n].data.normal;
adamc@737 1020 default:
adamc@737 1021 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1022 }
adamc@737 1023 }
adamc@737 1024
adamc@801 1025 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094 1026 int n = ctx->app->input_num(name);
adamc@737 1027
adamc@801 1028 if (n < 0) {
adam@1444 1029 uw_set_error(ctx, "Bad file input name %s", uw_Basis_htmlifyString(ctx, name));
adamc@801 1030 return -1;
adamc@801 1031 }
adamc@801 1032
adamc@1094 1033 if (n >= ctx->app->inputs_len) {
adam@1444 1034 uw_set_error(ctx, "For file input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801 1035 return -1;
adamc@801 1036 }
adamc@737 1037
adamc@739 1038 ctx->inputs[n].kind = FIL;
adamc@739 1039 ctx->inputs[n].data.file = f;
adamc@801 1040
adamc@801 1041 return 0;
adamc@737 1042 }
adamc@737 1043
adamc@739 1044 void *uw_malloc(uw_context ctx, size_t len);
adamc@739 1045
adamc@739 1046 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737 1047 if (n < 0)
adamc@737 1048 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094 1049 if (n >= ctx->app->inputs_len)
adamc@737 1050 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737 1051
adamc@756 1052 switch (INP(ctx)[n].kind) {
adamc@737 1053 case UNSET:
adamc@737 1054 {
adamc@739 1055 char *data = uw_malloc(ctx, 0);
adamc@740 1056 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739 1057 return f;
adamc@737 1058 }
adamc@739 1059 case FIL:
adamc@756 1060 return INP(ctx)[n].data.file;
adamc@737 1061 case NORMAL:
adamc@737 1062 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756 1063 case SUBFORM:
adamc@756 1064 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759 1065 case SUBFORMS:
adamc@759 1066 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759 1067 case ENTRY:
adamc@759 1068 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737 1069 default:
adamc@737 1070 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1071 }
adamc@190 1072 }
adamc@190 1073
adamc@756 1074 void uw_enter_subform(uw_context ctx, int n) {
adamc@756 1075 if (n < 0)
adamc@756 1076 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094 1077 if (n >= ctx->app->inputs_len)
adamc@756 1078 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756 1079
adamc@756 1080 switch (INP(ctx)[n].kind) {
adamc@756 1081 case UNSET:
adamc@756 1082 uw_error(ctx, FATAL, "Missing subform");
adamc@756 1083 case FIL:
adamc@756 1084 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756 1085 case NORMAL:
adamc@756 1086 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759 1087 case SUBFORMS:
adamc@759 1088 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759 1089 case ENTRY:
adamc@759 1090 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756 1091 case SUBFORM:
adamc@759 1092 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760 1093 ctx->cur_container = &INP(ctx)[n];
adamc@756 1094 return;
adamc@756 1095 default:
adamc@756 1096 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756 1097 }
adamc@756 1098 }
adamc@756 1099
adamc@756 1100 void uw_leave_subform(uw_context ctx) {
adamc@756 1101 input *tmp;
adamc@756 1102
adamc@759 1103 if (ctx->cur_container == NULL)
adamc@756 1104 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756 1105
adamc@759 1106 tmp = ctx->cur_container;
adamc@759 1107 ctx->cur_container = tmp->data.subform.parent;
adamc@759 1108 tmp->data.subform.parent = NULL;
adamc@759 1109 }
adamc@759 1110
adamc@759 1111 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759 1112 input *inps;
adamc@759 1113
adamc@759 1114 if (n < 0)
adamc@759 1115 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094 1116 if (n >= ctx->app->inputs_len)
adamc@759 1117 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759 1118
adamc@759 1119 switch (INP(ctx)[n].kind) {
adamc@759 1120 case UNSET:
adamc@759 1121 uw_error(ctx, FATAL, "Missing subforms");
adamc@759 1122 case FIL:
adamc@759 1123 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759 1124 case NORMAL:
adamc@759 1125 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759 1126 case SUBFORM:
adamc@759 1127 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759 1128 case ENTRY:
adamc@759 1129 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759 1130 case SUBFORMS:
adamc@759 1131 inps = INP(ctx)[n].data.subforms.entries;
adamc@759 1132 if (inps) {
adamc@759 1133 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 1134 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759 1135 return 1;
adamc@759 1136 } else
adamc@759 1137 return 0;
adamc@759 1138 default:
adamc@759 1139 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1140 }
adamc@759 1141 }
adamc@759 1142
adamc@759 1143 int uw_next_entry(uw_context ctx) {
adamc@759 1144 if (ctx->cur_container == NULL)
adamc@759 1145 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759 1146
adamc@759 1147 switch (ctx->cur_container->kind) {
adamc@759 1148 case UNSET:
adamc@759 1149 uw_error(ctx, FATAL, "Missing entry");
adamc@759 1150 case FIL:
adamc@759 1151 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759 1152 case NORMAL:
adamc@759 1153 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759 1154 case SUBFORM:
adamc@759 1155 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759 1156 case SUBFORMS:
adamc@759 1157 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759 1158 case ENTRY:
adamc@759 1159 if (ctx->cur_container->data.entry.next) {
adamc@759 1160 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759 1161 return 1;
adamc@759 1162 } else {
adamc@759 1163 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759 1164 return 0;
adamc@759 1165 }
adamc@759 1166 default:
adamc@759 1167 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1168 }
adamc@756 1169 }
adamc@756 1170
adamc@643 1171 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 1172 ctx->script_header = s;
adamc@643 1173 }
adamc@643 1174
adamc@1094 1175 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094 1176 return ctx->app->url_prefix;
adamc@667 1177 }
adamc@667 1178
adamc@693 1179 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693 1180 ctx->needs_push = n;
adamc@693 1181 }
adamc@693 1182
adamc@736 1183 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736 1184 ctx->needs_sig = n;
adamc@736 1185 }
adamc@736 1186
adamc@667 1187
adam@1369 1188 static void uw_buffer_check_ctx(uw_context ctx, const char *kind, uw_buffer *b, size_t extra, const char *desc) {
adamc@666 1189 if (b->back - b->front < extra) {
adamc@666 1190 size_t desired = b->front - b->start + extra, next;
adamc@136 1191 char *new_heap;
adamc@136 1192
adamc@666 1193 next = b->back - b->start;
adamc@317 1194 if (next == 0)
adamc@317 1195 next = 1;
adamc@317 1196 for (; next < desired; next *= 2);
adamc@136 1197
adamc@1134 1198 if (next > b->max) {
adamc@1113 1199 if (desired <= b->max)
adamc@1113 1200 next = desired;
adamc@1113 1201 else
adamc@1113 1202 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134 1203 }
adamc@1113 1204
adamc@666 1205 new_heap = realloc(b->start, next);
adamc@666 1206 b->front = new_heap + (b->front - b->start);
adamc@666 1207 b->back = new_heap + next;
adamc@136 1208
adamc@667 1209 if (new_heap != b->start) {
adamc@666 1210 b->start = new_heap;
adam@1389 1211 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously; increasing size to %llu", desc, (unsigned long long)next);
adamc@136 1212 }
adamc@136 1213
adamc@666 1214 b->start = new_heap;
adamc@136 1215 }
adamc@136 1216 }
adamc@136 1217
adamc@832 1218 void uw_check_heap(uw_context ctx, size_t extra) {
adam@1369 1219 uw_buffer_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666 1220 }
adamc@666 1221
adamc@832 1222 char *uw_heap_front(uw_context ctx) {
adamc@832 1223 return ctx->heap.front;
adamc@832 1224 }
adamc@832 1225
adamc@832 1226 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832 1227 ctx->heap.front = fr;
adamc@832 1228 }
adamc@832 1229
adam@1782 1230 void uw_begin_initializing(uw_context ctx) {
adam@1782 1231 ctx->amInitializing = 1;
adam@1782 1232 }
adam@1782 1233
adam@1782 1234 void uw_end_initializing(uw_context ctx) {
adam@1782 1235 ctx->amInitializing = 0;
adam@1782 1236 }
adam@1782 1237
adamc@311 1238 void *uw_malloc(uw_context ctx, size_t len) {
adamc@136 1239 void *result;
adamc@136 1240
adam@1782 1241 if (ctx->amInitializing) {
adam@1782 1242 result = malloc(len);
adam@1782 1243
adam@1782 1244 if (result)
adam@1782 1245 return result;
adam@1782 1246 else
adam@1782 1247 uw_error(ctx, FATAL, "uw_malloc: malloc() returns 0");
adam@1782 1248 } else {
adam@1782 1249 uw_check_heap(ctx, len);
adam@1782 1250
adam@1782 1251 result = ctx->heap.front;
adam@1782 1252 ctx->heap.front += len;
adam@1782 1253 return result;
adam@1782 1254 }
adamc@117 1255 }
adamc@117 1256
adamc@323 1257 void uw_begin_region(uw_context ctx) {
adamc@666 1258 regions *r = (regions *) ctx->heap.front;
adamc@323 1259
adamc@323 1260 uw_check_heap(ctx, sizeof(regions));
adamc@323 1261
adamc@666 1262 ctx->heap.front += sizeof(regions);
adamc@323 1263
adamc@323 1264 r->next = ctx->regions;
adamc@323 1265 ctx->regions = r;
adamc@323 1266 }
adamc@323 1267
adamc@323 1268 void uw_end_region(uw_context ctx) {
adamc@323 1269 regions *r = ctx->regions;
adamc@323 1270
adamc@323 1271 if (r == NULL)
adamc@323 1272 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 1273
adamc@666 1274 ctx->heap.front = (char *) r;
adamc@323 1275 ctx->regions = r->next;
adamc@323 1276 }
adamc@323 1277
adamc@324 1278 void uw_memstats(uw_context ctx) {
adam@1369 1279 printf("Headers: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->outHeaders), (unsigned long)uw_buffer_avail(&ctx->outHeaders));
adam@1369 1280 printf("Script: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->script), (unsigned long)uw_buffer_avail(&ctx->script));
adam@1369 1281 printf("Page: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->page), (unsigned long)uw_buffer_avail(&ctx->page));
adam@1369 1282 printf("Heap: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->heap), (unsigned long)uw_buffer_avail(&ctx->heap));
adamc@324 1283 }
adamc@324 1284
adamc@311 1285 int uw_send(uw_context ctx, int sock) {
adamc@666 1286 int n = uw_really_send(sock, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@462 1287
adamc@462 1288 if (n < 0)
adamc@462 1289 return n;
adamc@462 1290
adamc@462 1291 n = uw_really_send(sock, "\r\n", 2);
adamc@462 1292
adamc@462 1293 if (n < 0)
adamc@462 1294 return n;
adamc@462 1295
adamc@666 1296 return uw_really_send(sock, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@462 1297 }
adamc@462 1298
adamc@856 1299 int uw_print(uw_context ctx, int fd) {
adamc@856 1300 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856 1301
adamc@856 1302 if (n < 0)
adamc@856 1303 return n;
adamc@856 1304
adamc@856 1305 n = uw_really_write(fd, "\r\n", 2);
adamc@856 1306
adamc@856 1307 if (n < 0)
adamc@856 1308 return n;
adamc@856 1309
adamc@856 1310 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856 1311 }
adamc@856 1312
adamc@860 1313 int uw_output(uw_context ctx, int (*output)(void *data, char *buf, size_t len), void *data) {
adamc@860 1314 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860 1315
adamc@860 1316 if (n < 0)
adamc@860 1317 return n;
adamc@860 1318
adamc@860 1319 n = output(data, "\r\n", 2);
adamc@860 1320
adamc@860 1321 if (n < 0)
adamc@860 1322 return n;
adamc@860 1323
adamc@860 1324 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860 1325 }
adamc@860 1326
adamc@462 1327 static void uw_check_headers(uw_context ctx, size_t extra) {
adam@1369 1328 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462 1329 }
adamc@462 1330
adamc@462 1331 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 1332 int len = strlen(s);
adamc@462 1333
adamc@462 1334 uw_check_headers(ctx, len + 1);
adamc@666 1335 strcpy(ctx->outHeaders.front, s);
adamc@666 1336 ctx->outHeaders.front += len;
adamc@562 1337 }
adamc@562 1338
adamc@1110 1339 void uw_clear_headers(uw_context ctx) {
adam@1369 1340 uw_buffer_reset(&ctx->outHeaders);
adamc@1110 1341 }
adamc@1110 1342
adamc@562 1343 static void uw_check_script(uw_context ctx, size_t extra) {
adam@1369 1344 ctx_uw_buffer_check(ctx, "script", &ctx->script, extra);
adamc@562 1345 }
adamc@562 1346
adamc@562 1347 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 1348 int len = strlen(s);
adamc@562 1349
adamc@562 1350 uw_check_script(ctx, len + 1);
adamc@666 1351 strcpy(ctx->script.front, s);
adamc@666 1352 ctx->script.front += len;
adamc@562 1353 }
adamc@562 1354
adam@1446 1355 const char *uw_get_real_script(uw_context ctx) {
adam@1671 1356 if (strstr(ctx->outHeaders.start, "Set-Cookie: ")) {
adam@1671 1357 uw_write_script(ctx, "sig=\"");
adam@1671 1358 uw_write_script(ctx, ctx->app->cookie_sig(ctx));
adam@1671 1359 uw_write_script(ctx, "\";");
adam@1671 1360 }
adam@1671 1361
adam@1446 1362 return ctx->script.start;
adam@1446 1363 }
adam@1446 1364
adamc@695 1365 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695 1366 if (s[0] == 0)
adamc@695 1367 return "";
adamc@695 1368 else {
adamc@695 1369 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695 1370 sprintf(r, " onload='%s'", s);
adamc@695 1371 return r;
adamc@695 1372 }
adamc@695 1373 }
adamc@695 1374
adamc@1042 1375 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042 1376 if (ctx->script_header[0] == 0)
adamc@1042 1377 return "";
adamc@1042 1378 else {
vshabanoff@1763 1379 char *r = uw_malloc(ctx, 37 + strlen(s));
vshabanoff@1763 1380 sprintf(r, " onunload='unloading=true;%s;unload()'", s);
adamc@1042 1381 return r;
adamc@1042 1382 }
adamc@1042 1383 }
adamc@1042 1384
adamc@694 1385 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736 1386 if (ctx->client == NULL) {
adamc@736 1387 if (ctx->needs_sig) {
adamc@1094 1388 char *sig = ctx->app->cookie_sig(ctx);
adamc@736 1389 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736 1390 sprintf(r, "sig=\"%s\";", sig);
adamc@736 1391 return r;
adamc@736 1392 }
adamc@736 1393 else
adamc@736 1394 return "";
adamc@736 1395 } else {
adamc@1094 1396 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094 1397 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736 1398 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adam@1552 1399 sprintf(r, "isPost=%s;client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adam@1552 1400 (ctx->isPost ? "true" : "false"),
adamc@682 1401 ctx->client->id,
adamc@682 1402 ctx->client->pass,
adamc@1094 1403 ctx->app->url_prefix,
adamc@1094 1404 ctx->app->timeout,
adamc@736 1405 ctx->needs_sig ? "sig=\"" : "",
adamc@736 1406 sig,
adamc@736 1407 ctx->needs_sig ? "\";" : "");
adamc@679 1408 return r;
adamc@668 1409 }
adamc@667 1410 }
adamc@667 1411
adamc@574 1412 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 1413 char *r, *s2;
adamc@574 1414
adam@1446 1415 uw_check_heap(ctx, strlen(s) * 4 + 3);
adamc@574 1416
adamc@666 1417 r = s2 = ctx->heap.front;
adamc@574 1418 *s2++ = '"';
adamc@574 1419
adamc@574 1420 for (; *s; s++) {
adam@1286 1421 unsigned char c = *s;
adamc@574 1422
adamc@574 1423 switch (c) {
adamc@574 1424 case '"':
adamc@574 1425 strcpy(s2, "\\\"");
adamc@574 1426 s2 += 2;
adamc@574 1427 break;
adamc@1027 1428 case '\'':
adamc@1027 1429 strcpy(s2, "\\047");
adamc@1027 1430 s2 += 4;
adamc@1027 1431 break;
adamc@574 1432 case '\\':
adamc@574 1433 strcpy(s2, "\\\\");
adamc@574 1434 s2 += 2;
adamc@574 1435 break;
adam@1457 1436 case '<':
adam@1457 1437 strcpy(s2, "\\074");
adam@1457 1438 s2 += 4;
adam@1457 1439 break;
adamc@574 1440 default:
adam@1286 1441 if (isprint((int)c) || c >= 128)
adamc@574 1442 *s2++ = c;
adamc@574 1443 else {
adam@1429 1444 sprintf(s2, "\\%03o", c);
adamc@574 1445 s2 += 4;
adamc@574 1446 }
adamc@574 1447 }
adamc@574 1448 }
adamc@574 1449
adamc@574 1450 strcpy(s2, "\"");
adamc@910 1451 ctx->heap.front = s2 + 2;
adamc@574 1452 return r;
adamc@574 1453 }
adamc@574 1454
adam@1286 1455 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286 1456 unsigned char c = c1;
adamc@1025 1457 char *r, *s2;
adamc@1025 1458
adam@1446 1459 uw_check_heap(ctx, 7);
adamc@1025 1460
adamc@1025 1461 r = s2 = ctx->heap.front;
adamc@1025 1462 *s2++ = '"';
adamc@1025 1463
adamc@1025 1464 switch (c) {
adamc@1025 1465 case '"':
adamc@1025 1466 strcpy(s2, "\\\"");
adamc@1025 1467 s2 += 2;
adamc@1025 1468 break;
adamc@1027 1469 case '\'':
adamc@1027 1470 strcpy(s2, "\\047");
adamc@1027 1471 s2 += 4;
adamc@1027 1472 break;
adamc@1025 1473 case '\\':
adamc@1025 1474 strcpy(s2, "\\\\");
adamc@1025 1475 s2 += 2;
adamc@1025 1476 break;
adam@1457 1477 case '<':
adam@1457 1478 strcpy(s2, "\\074");
adam@1457 1479 s2 += 4;
adam@1457 1480 break;
adamc@1025 1481 default:
adam@1286 1482 if (isprint((int)c) || c >= 128)
adamc@1025 1483 *s2++ = c;
adamc@1025 1484 else {
adam@1429 1485 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1025 1486 s2 += 4;
adamc@1025 1487 }
adamc@1025 1488 }
adamc@1025 1489
adamc@1025 1490 strcpy(s2, "\"");
adamc@1025 1491 ctx->heap.front = s2 + 2;
adamc@1025 1492 return r;
adamc@1025 1493 }
adamc@1025 1494
adamc@574 1495 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 1496 char *r, *s2;
adamc@574 1497
adam@1446 1498 uw_check_script(ctx, strlen(s) * 4 + 3);
adamc@574 1499
adamc@666 1500 r = s2 = ctx->script.front;
adamc@574 1501 *s2++ = '"';
adamc@574 1502
adamc@574 1503 for (; *s; s++) {
adam@1286 1504 unsigned char c = *s;
adamc@574 1505
adamc@574 1506 switch (c) {
adamc@577 1507 case '\'':
adamc@1027 1508 strcpy(s2, "\\");
adamc@574 1509 s2 += 2;
adamc@574 1510 break;
adamc@574 1511 case '\\':
adamc@574 1512 strcpy(s2, "\\\\");
adamc@574 1513 s2 += 2;
adamc@574 1514 break;
adam@1457 1515 case '<':
adam@1457 1516 strcpy(s2, "\\074");
adam@1457 1517 s2 += 4;
adam@1457 1518 break;
adamc@574 1519 default:
adam@1286 1520 if (isprint((int)c) || c >= 128)
adamc@574 1521 *s2++ = c;
adamc@574 1522 else {
adam@1429 1523 sprintf(s2, "\\%03o", c);
adamc@574 1524 s2 += 4;
adamc@574 1525 }
adamc@574 1526 }
adamc@574 1527 }
adamc@574 1528
adamc@574 1529 strcpy(s2, "\"");
adamc@666 1530 ctx->script.front = s2 + 1;
adamc@574 1531 return r;
adamc@574 1532 }
adamc@574 1533
adamc@682 1534 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1535 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1536 return "null";
adamc@682 1537 else {
adamc@682 1538 int len;
adamc@682 1539 char *r;
adamc@682 1540
adamc@682 1541 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1542 r = ctx->heap.front;
adamc@682 1543 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1544 ctx->heap.front += len+1;
adamc@682 1545 return r;
adamc@682 1546 }
adamc@682 1547 }
adamc@682 1548
adam@1446 1549 uw_Basis_source uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 1550 int len;
adamc@577 1551 size_t s_len = strlen(s);
adamc@562 1552
adam@1446 1553 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1554 sprintf(ctx->script.front, "s%d_%llu=sc(exec(%n", ctx->id, ctx->source_count, &len);
adamc@666 1555 ctx->script.front += len;
adamc@666 1556 strcpy(ctx->script.front, s);
adamc@666 1557 ctx->script.front += s_len;
adamc@970 1558 strcpy(ctx->script.front, "));");
adamc@972 1559 ctx->script.front += 3;
adamc@562 1560
adam@1446 1561 uw_Basis_source r = {ctx->id, ctx->source_count++};
adam@1446 1562 return r;
adam@1446 1563 }
adam@1446 1564
adam@1446 1565 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_source src, uw_Basis_string s) {
adamc@577 1566 int len;
adamc@577 1567 size_t s_len = strlen(s);
adamc@577 1568
adam@1446 1569 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1570 sprintf(ctx->script.front, "sv(s%d_%llu,exec(%n", src.context, src.source, &len);
adamc@666 1571 ctx->script.front += len;
adamc@666 1572 strcpy(ctx->script.front, s);
adamc@666 1573 ctx->script.front += s_len;
adamc@970 1574 strcpy(ctx->script.front, "));");
adamc@972 1575 ctx->script.front += 3;
adamc@577 1576
adamc@577 1577 return uw_unit_v;
adamc@577 1578 }
adamc@577 1579
adamc@311 1580 static void uw_check(uw_context ctx, size_t extra) {
adam@1369 1581 ctx_uw_buffer_check(ctx, "page", &ctx->page, extra);
adamc@117 1582 }
adamc@117 1583
adamc@311 1584 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 1585 *(ctx->page.front)++ = c;
adam@1413 1586 *ctx->page.front = 0;
adamc@117 1587 }
adamc@117 1588
adamc@311 1589 void uw_writec(uw_context ctx, char c) {
adam@1413 1590 uw_check(ctx, 2);
adamc@311 1591 uw_writec_unsafe(ctx, c);
adamc@117 1592 }
adamc@117 1593
adamc@311 1594 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 1595 int len = strlen(s);
adamc@666 1596 memcpy(ctx->page.front, s, len);
adamc@666 1597 ctx->page.front += len;
adamc@117 1598 }
adamc@117 1599
adamc@311 1600 void uw_write(uw_context ctx, const char* s) {
adamc@311 1601 uw_check(ctx, strlen(s) + 1);
adamc@311 1602 uw_write_unsafe(ctx, s);
adamc@666 1603 *ctx->page.front = 0;
adamc@102 1604 }
adamc@106 1605
adamc@311 1606 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 1607 char *result;
adamc@136 1608 int len;
adamc@311 1609 uw_check_heap(ctx, INTS_MAX);
adamc@666 1610 result = ctx->heap.front;
adamc@276 1611 sprintf(result, "%lld%n", n, &len);
adamc@666 1612 ctx->heap.front += len+1;
adamc@136 1613 return result;
adamc@106 1614 }
adamc@106 1615
adamc@311 1616 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 1617 char *result;
adamc@136 1618 int len;
adamc@311 1619 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1620 result = ctx->heap.front;
adamc@136 1621 sprintf(result, "%g%n", n, &len);
adamc@666 1622 ctx->heap.front += len+1;
adamc@136 1623 return result;
adamc@106 1624 }
adamc@106 1625
adamc@311 1626 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 1627 int len = strlen(s);
adamc@136 1628 char *result, *p;
adamc@311 1629 uw_check_heap(ctx, len * 6 + 1);
adamc@136 1630
adamc@666 1631 result = p = ctx->heap.front;
adamc@136 1632
adamc@136 1633 for (; *s; s++) {
adamc@1054 1634 unsigned char c = *s;
adamc@136 1635
adamc@136 1636 if (c == '"') {
adamc@136 1637 strcpy(p, "&quot;");
adamc@136 1638 p += 6;
adamc@136 1639 } else if (c == '&') {
adamc@136 1640 strcpy(p, "&amp;");
adamc@136 1641 p += 5;
adamc@136 1642 }
adamc@1059 1643 else
adamc@136 1644 *p++ = c;
adamc@136 1645 }
adamc@136 1646
adamc@137 1647 *p++ = 0;
adamc@666 1648 ctx->heap.front = p;
adamc@136 1649 return result;
adamc@106 1650 }
adamc@106 1651
adamc@1011 1652 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 1653 char *result, *p;
adamc@1011 1654 uw_check_heap(ctx, 7);
adamc@1011 1655
adamc@1011 1656 result = p = ctx->heap.front;
adamc@1011 1657
adamc@1011 1658 if (c == '"') {
adamc@1011 1659 strcpy(p, "&quot;");
adamc@1011 1660 p += 6;
adamc@1011 1661 } else if (c == '&') {
adamc@1011 1662 strcpy(p, "&amp;");
adamc@1011 1663 p += 5;
adamc@1011 1664 }
adamc@1059 1665 else
adamc@1011 1666 *p++ = c;
adamc@1011 1667
adamc@1011 1668 *p++ = 0;
adamc@1011 1669 ctx->heap.front = p;
adamc@1011 1670 return result;
adamc@1011 1671 }
adamc@1011 1672
adamc@721 1673 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721 1674 return s;
adamc@721 1675 }
adamc@721 1676
adamc@311 1677 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 1678 int len;
adamc@117 1679
adamc@666 1680 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1681 ctx->page.front += len;
adamc@106 1682 }
adamc@106 1683
adamc@428 1684 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1685 uw_check(ctx, INTS_MAX);
adamc@311 1686 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 1687
adamc@428 1688 return uw_unit_v;
adamc@106 1689 }
adamc@106 1690
adamc@428 1691 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 1692 int len;
adamc@117 1693
adamc@311 1694 uw_check(ctx, FLOATS_MAX);
adamc@666 1695 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1696 ctx->page.front += len;
adamc@428 1697
adamc@428 1698 return uw_unit_v;
adamc@117 1699 }
adamc@117 1700
adamc@428 1701 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1702 uw_check(ctx, strlen(s) * 6);
adamc@117 1703
adamc@106 1704 for (; *s; s++) {
adamc@1054 1705 unsigned char c = *s;
adamc@106 1706
adamc@106 1707 if (c == '"')
adamc@311 1708 uw_write_unsafe(ctx, "&quot;");
adamc@136 1709 else if (c == '&')
adamc@311 1710 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1711 else
adamc@311 1712 uw_writec_unsafe(ctx, c);
adamc@106 1713 }
adamc@428 1714
adamc@428 1715 return uw_unit_v;
adamc@106 1716 }
adamc@120 1717
adamc@1011 1718 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011 1719 uw_check(ctx, 6);
adamc@1011 1720
adamc@1011 1721 if (c == '"')
adamc@1011 1722 uw_write_unsafe(ctx, "&quot;");
adamc@1011 1723 else if (c == '&')
adamc@1011 1724 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1725 else
adamc@1011 1726 uw_writec_unsafe(ctx, c);
adamc@1011 1727
adamc@1011 1728 return uw_unit_v;
adamc@1011 1729 }
adamc@1011 1730
adamc@120 1731
adamc@311 1732 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 1733 int len;
adamc@137 1734 char *r;
adamc@137 1735
adamc@311 1736 uw_check_heap(ctx, INTS_MAX);
adamc@666 1737 r = ctx->heap.front;
adamc@276 1738 sprintf(r, "%lld%n", n, &len);
adamc@666 1739 ctx->heap.front += len+1;
adamc@137 1740 return r;
adamc@120 1741 }
adamc@120 1742
adamc@682 1743 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1744 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1745 return "";
adamc@682 1746 else {
adamc@682 1747 int len;
adamc@682 1748 char *r;
adamc@679 1749
adamc@682 1750 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1751 r = ctx->heap.front;
adamc@682 1752 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1753 ctx->heap.front += len+1;
adamc@682 1754 return r;
adamc@682 1755 }
adamc@679 1756 }
adamc@679 1757
adamc@311 1758 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 1759 int len;
adamc@137 1760 char *r;
adamc@137 1761
adamc@311 1762 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1763 r = ctx->heap.front;
adamc@137 1764 sprintf(r, "%g%n", n, &len);
adamc@666 1765 ctx->heap.front += len+1;
adamc@137 1766 return r;
adamc@120 1767 }
adamc@120 1768
adamc@311 1769 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1770 char *r, *p;
adamc@137 1771
adamc@925 1772 if (s[0] == '\0')
adamc@925 1773 return "_";
adamc@925 1774
adamc@925 1775 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925 1776
adamc@925 1777 r = p = ctx->heap.front;
adamc@925 1778 if (s[0] == '_')
adamc@925 1779 *p++ = '_';
adamc@925 1780
adamc@925 1781 for (; *s; s++) {
adamc@1087 1782 unsigned char c = *s;
adamc@137 1783
adamc@137 1784 if (c == ' ')
adamc@137 1785 *p++ = '+';
adamc@137 1786 else if (isalnum(c))
adamc@137 1787 *p++ = c;
adamc@137 1788 else {
adamc@1259 1789 sprintf(p, ".%02X", c);
adamc@137 1790 p += 3;
adamc@137 1791 }
adamc@137 1792 }
adamc@137 1793
adamc@137 1794 *p++ = 0;
adamc@666 1795 ctx->heap.front = p;
adamc@137 1796 return r;
adamc@120 1797 }
adamc@120 1798
adamc@311 1799 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1800 if (b == uw_Basis_False)
adamc@186 1801 return "0";
adamc@186 1802 else
adamc@186 1803 return "1";
adamc@186 1804 }
adamc@186 1805
adam@1620 1806 char *uw_Basis_urlifySource(uw_context ctx, uw_Basis_source src) {
adam@1620 1807 char *r;
adam@1620 1808 int len;
adam@1620 1809 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1620 1810 r = ctx->heap.front;
adam@1620 1811 sprintf(r, "%d/%llu%n", src.context, src.source, &len);
adam@1620 1812 ctx->heap.front += len+1;
adam@1620 1813 return r;
adam@1620 1814 }
adam@1620 1815
adamc@311 1816 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1817 int len;
adamc@120 1818
adamc@666 1819 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1820 ctx->page.front += len;
adamc@120 1821 }
adamc@120 1822
adamc@428 1823 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1824 uw_check(ctx, INTS_MAX);
adamc@311 1825 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1826
adamc@428 1827 return uw_unit_v;
adamc@120 1828 }
adamc@120 1829
adamc@682 1830 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1831 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1832 int len;
adamc@682 1833
adamc@682 1834 uw_check(ctx, INTS_MAX + 1);
adamc@682 1835 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1836 ctx->page.front += len;
adamc@682 1837 }
adamc@682 1838
adamc@679 1839 return uw_unit_v;
adamc@679 1840 }
adamc@679 1841
adamc@428 1842 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1843 int len;
adamc@120 1844
adamc@311 1845 uw_check(ctx, FLOATS_MAX);
adamc@666 1846 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1847 ctx->page.front += len;
adamc@428 1848
adamc@428 1849 return uw_unit_v;
adamc@120 1850 }
adamc@120 1851
adamc@488 1852 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@1376 1853 return uw_Basis_urlifyInt(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adamc@488 1854 }
adamc@488 1855
adam@1404 1856 uw_unit uw_Basis_urlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1404 1857 return uw_Basis_urlifyInt_w(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adam@1404 1858 }
adam@1404 1859
adamc@428 1860 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925 1861 if (s[0] == '\0') {
adamc@925 1862 uw_check(ctx, 1);
adamc@925 1863 uw_writec_unsafe(ctx, '_');
adamc@925 1864 return uw_unit_v;
adamc@925 1865 }
adamc@925 1866
adamc@925 1867 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925 1868
adamc@925 1869 if (s[0] == '_')
adamc@925 1870 uw_writec_unsafe(ctx, '_');
adamc@120 1871
adamc@120 1872 for (; *s; s++) {
adamc@1087 1873 unsigned char c = *s;
adamc@120 1874
adamc@120 1875 if (c == ' ')
adamc@311 1876 uw_writec_unsafe(ctx, '+');
adamc@120 1877 else if (isalnum(c))
adamc@311 1878 uw_writec_unsafe(ctx, c);
adamc@120 1879 else {
adamc@1259 1880 sprintf(ctx->page.front, ".%02X", c);
adamc@666 1881 ctx->page.front += 3;
adamc@120 1882 }
adamc@120 1883 }
adamc@428 1884
adamc@428 1885 return uw_unit_v;
adamc@120 1886 }
adamc@120 1887
adamc@428 1888 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1889 if (b == uw_Basis_False)
adamc@311 1890 uw_writec(ctx, '0');
adamc@186 1891 else
adamc@311 1892 uw_writec(ctx, '1');
adamc@428 1893
adamc@428 1894 return uw_unit_v;
adamc@186 1895 }
adamc@186 1896
adam@1620 1897 uw_unit uw_Basis_urlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1620 1898 int len;
adam@1620 1899
adam@1620 1900 uw_check(ctx, 2 * INTS_MAX + 2);
adam@1620 1901 sprintf(ctx->page.front, "%d/%llu%n", src.context, src.source, &len);
adam@1620 1902 ctx->page.front += len;
adam@1620 1903
adam@1620 1904 return uw_unit_v;
adam@1620 1905 }
adam@1620 1906
adamc@120 1907
adamc@311 1908 static char *uw_unurlify_advance(char *s) {
adamc@144 1909 char *new_s = strchr(s, '/');
adamc@120 1910
adamc@120 1911 if (new_s)
adamc@120 1912 *new_s++ = 0;
adamc@120 1913 else
adamc@144 1914 new_s = strchr(s, 0);
adamc@144 1915
adamc@144 1916 return new_s;
adamc@144 1917 }
adamc@144 1918
adamc@311 1919 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 1920 char *new_s = uw_unurlify_advance(*s);
adamc@311 1921 uw_Basis_int r;
adamc@120 1922
adamc@276 1923 r = atoll(*s);
adamc@120 1924 *s = new_s;
adamc@120 1925 return r;
adamc@120 1926 }
adamc@120 1927
adamc@311 1928 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 1929 char *new_s = uw_unurlify_advance(*s);
adamc@311 1930 uw_Basis_float r;
adamc@120 1931
adamc@120 1932 r = atof(*s);
adamc@120 1933 *s = new_s;
adamc@120 1934 return r;
adamc@120 1935 }
adamc@120 1936
adamc@488 1937 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adam@1365 1938 uw_Basis_int n = uw_Basis_unurlifyInt(ctx, s);
adam@1365 1939 uw_Basis_time r = {n / 1000000, n % 1000000};
adam@1365 1940 return r;
adamc@488 1941 }
adamc@488 1942
adamc@1023 1943 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char *r, char *s) {
adamc@927 1944 char *s1, *s2 = s;
adamc@144 1945 int n;
adamc@136 1946
adamc@1023 1947 if (!fromClient) {
adamc@1023 1948 if (*s2 == '_')
adamc@1023 1949 ++s2;
adamc@1259 1950 else if ((s2[0] == '%' || s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@1023 1951 s2 += 3;
adamc@1023 1952 }
adamc@925 1953
adamc@927 1954 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087 1955 unsigned char c = *s2;
adamc@136 1956
adamc@136 1957 switch (c) {
adamc@136 1958 case '+':
adamc@136 1959 *s1 = ' ';
adamc@136 1960 break;
adamc@136 1961 case '%':
adamc@169 1962 if (s2[1] == 0)
adamc@311 1963 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 1964 if (s2[2] == 0)
adamc@311 1965 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 1966 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 1967 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@136 1968 *s1 = n;
adamc@136 1969 s2 += 2;
adamc@136 1970 break;
adamc@1259 1971 case '.':
adamc@1259 1972 if (!fromClient) {
adamc@1259 1973 if (s2[1] == 0)
adamc@1259 1974 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259 1975 if (s2[2] == 0)
adamc@1259 1976 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259 1977 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 1978 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@1259 1979 *s1 = n;
adamc@1259 1980 s2 += 2;
adamc@1259 1981 break;
adamc@1259 1982 }
adamc@136 1983 default:
adamc@136 1984 *s1 = c;
adamc@136 1985 }
adamc@136 1986 }
adamc@136 1987 *s1++ = 0;
adamc@144 1988 return s1;
adamc@144 1989 }
adamc@144 1990
adamc@311 1991 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 1992 char *new_s = uw_unurlify_advance(*s);
adamc@311 1993 uw_Basis_bool r;
adamc@186 1994
adamc@186 1995 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 1996 r = uw_Basis_False;
adamc@186 1997 else
adamc@311 1998 r = uw_Basis_True;
adamc@186 1999
adamc@186 2000 *s = new_s;
adamc@186 2001 return r;
adamc@186 2002 }
adamc@186 2003
adamc@311 2004 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 2005 char *new_s = uw_unurlify_advance(*s);
adamc@1134 2006 char *r;
adamc@1134 2007 int len;
adamc@144 2008
adamc@200 2009 len = strlen(*s);
adamc@311 2010 uw_check_heap(ctx, len + 1);
adamc@144 2011
adamc@666 2012 r = ctx->heap.front;
adamc@1023 2013 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023 2014 *s = new_s;
adamc@1023 2015 return r;
adamc@1023 2016 }
adamc@1023 2017
adamc@1109 2018 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109 2019 *s = uw_unurlify_advance(*s);
adamc@1109 2020 return uw_unit_v;
adamc@1109 2021 }
adamc@1109 2022
adamc@1023 2023 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023 2024 char *new_s = uw_unurlify_advance(*s);
adamc@1134 2025 char *r;
adamc@1134 2026 int len;
adamc@1023 2027
adamc@1023 2028 len = strlen(*s);
adamc@1023 2029 uw_check_heap(ctx, len + 1);
adamc@1023 2030
adamc@1023 2031 r = ctx->heap.front;
adamc@1023 2032 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136 2033 *s = new_s;
adamc@136 2034 return r;
adamc@120 2035 }
adamc@135 2036
adamc@135 2037
adamc@311 2038 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 2039 int len;
adamc@286 2040 char *r;
adamc@286 2041
adamc@311 2042 uw_check_heap(ctx, INTS_MAX);
adamc@666 2043 r = ctx->heap.front;
adamc@286 2044 sprintf(r, "%lld%n", n, &len);
adamc@666 2045 ctx->heap.front += len+1;
adamc@286 2046 return r;
adamc@286 2047 }
adamc@286 2048
adamc@428 2049 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 2050 int len;
adamc@286 2051
adamc@311 2052 uw_check(ctx, INTS_MAX);
adamc@666 2053 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 2054 ctx->page.front += len;
adamc@428 2055
adamc@428 2056 return uw_unit_v;
adamc@286 2057 }
adamc@286 2058
adam@1358 2059 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358 2060 unsigned int n = ch;
adam@1358 2061 int len;
adam@1358 2062 char *r;
adam@1358 2063
adam@1358 2064 uw_check_heap(ctx, INTS_MAX+3);
adam@1358 2065 r = ctx->heap.front;
adam@1358 2066 sprintf(r, "&#%u;%n", n, &len);
adam@1358 2067 ctx->heap.front += len+1;
adam@1358 2068 return r;
adam@1358 2069 }
adam@1358 2070
adam@1358 2071 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358 2072 unsigned int n = ch;
adam@1358 2073 int len;
adam@1358 2074
adam@1358 2075 uw_check(ctx, INTS_MAX+3);
adam@1358 2076 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358 2077 ctx->page.front += len;
adam@1358 2078 return uw_unit_v;
adam@1358 2079 }
adam@1358 2080
adamc@311 2081 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 2082 int len;
adamc@286 2083 char *r;
adamc@286 2084
adamc@311 2085 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2086 r = ctx->heap.front;
adamc@286 2087 sprintf(r, "%g%n", n, &len);
adamc@666 2088 ctx->heap.front += len+1;
adamc@286 2089 return r;
adamc@286 2090 }
adamc@286 2091
adamc@428 2092 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 2093 int len;
adamc@286 2094
adamc@311 2095 uw_check(ctx, FLOATS_MAX);
adamc@666 2096 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 2097 ctx->page.front += len;
adamc@428 2098
adamc@428 2099 return uw_unit_v;
adamc@286 2100 }
adamc@286 2101
adam@1365 2102 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time t) {
adam@1360 2103 int len;
adam@1360 2104 char *r;
adam@1360 2105
adam@1360 2106 uw_check_heap(ctx, INTS_MAX);
adam@1360 2107 r = ctx->heap.front;
adamc@1377 2108 sprintf(r, "%lld%n", (uw_Basis_int)t.seconds * 1000000 + t.microseconds, &len);
adam@1360 2109 ctx->heap.front += len+1;
adam@1360 2110 return r;
adam@1360 2111 }
adam@1360 2112
adam@1365 2113 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_int n) {
adam@1360 2114 int len;
adam@1360 2115
adam@1360 2116 uw_check(ctx, INTS_MAX);
adam@1360 2117 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360 2118 ctx->page.front += len;
adam@1360 2119
adam@1360 2120 return uw_unit_v;
adam@1360 2121 }
adam@1360 2122
adam@1444 2123 char *uw_Basis_htmlifyString(uw_context ctx, const char *s) {
adamc@137 2124 char *r, *s2;
adamc@137 2125
adamc@311 2126 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 2127
adamc@666 2128 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054 2129 unsigned char c = *s;
adamc@137 2130
adamc@137 2131 switch (c) {
adamc@137 2132 case '<':
adamc@137 2133 strcpy(s2, "&lt;");
adamc@137 2134 s2 += 4;
adamc@137 2135 break;
adamc@137 2136 case '&':
adamc@137 2137 strcpy(s2, "&amp;");
adamc@137 2138 s2 += 5;
adamc@137 2139 break;
adamc@137 2140 default:
adamc@1059 2141 *s2++ = c;
adamc@137 2142 }
adamc@137 2143 }
adamc@137 2144
adamc@137 2145 *s2++ = 0;
adamc@666 2146 ctx->heap.front = s2;
adamc@137 2147 return r;
adamc@135 2148 }
adamc@135 2149
adamc@428 2150 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 2151 uw_check(ctx, strlen(s) * 6);
adamc@135 2152
adamc@135 2153 for (; *s; s++) {
adamc@1054 2154 unsigned char c = *s;
adamc@135 2155
adamc@135 2156 switch (c) {
adamc@135 2157 case '<':
adamc@311 2158 uw_write_unsafe(ctx, "&lt;");
adamc@135 2159 break;
adamc@135 2160 case '&':
adamc@311 2161 uw_write_unsafe(ctx, "&amp;");
adamc@135 2162 break;
adamc@135 2163 default:
adamc@1059 2164 uw_writec_unsafe(ctx, c);
adamc@135 2165 }
adamc@135 2166 }
adamc@428 2167
adamc@428 2168 return uw_unit_v;
adamc@135 2169 }
adamc@180 2170
adamc@311 2171 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2172 if (b == uw_Basis_False)
adamc@286 2173 return "False";
adamc@286 2174 else
adamc@286 2175 return "True";
adamc@286 2176 }
adamc@286 2177
adamc@428 2178 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 2179 if (b == uw_Basis_False) {
adamc@311 2180 uw_check(ctx, 6);
adamc@666 2181 strcpy(ctx->page.front, "False");
adamc@666 2182 ctx->page.front += 5;
adamc@286 2183 } else {
adamc@311 2184 uw_check(ctx, 5);
adamc@666 2185 strcpy(ctx->page.front, "True");
adamc@666 2186 ctx->page.front += 4;
adamc@286 2187 }
adamc@428 2188
adamc@428 2189 return uw_unit_v;
adamc@286 2190 }
adamc@286 2191
adamc@436 2192 #define TIME_FMT "%x %X"
adamc@438 2193 #define TIME_FMT_PG "%Y-%m-%d %T"
adam@1632 2194 #define TIME_FMT_JS "%Y/%m/%d %T"
adamc@436 2195
adam@1629 2196 uw_Basis_string uw_Basis_timeToString(uw_context, uw_Basis_time);
adam@1629 2197
adamc@436 2198 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adam@1629 2199 return uw_Basis_htmlifyString(ctx, uw_Basis_timeToString(ctx, t));
adamc@436 2200 }
adamc@436 2201
adamc@436 2202 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1629 2203 return uw_Basis_htmlifyString_w(ctx, uw_Basis_timeToString(ctx, t));
adamc@436 2204 }
adamc@436 2205
adam@1446 2206 char *uw_Basis_htmlifySource(uw_context ctx, uw_Basis_source src) {
adam@1446 2207 int len;
adam@1446 2208 char *r;
adam@1446 2209
adam@1446 2210 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1446 2211 r = ctx->heap.front;
adam@1446 2212 sprintf(r, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2213 ctx->heap.front += len+1;
adam@1446 2214 return r;
adam@1446 2215 }
adam@1446 2216
adam@1446 2217 uw_unit uw_Basis_htmlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1446 2218 int len;
adam@1446 2219
adam@1446 2220 uw_check(ctx, 2 * INTS_MAX + 1);
adam@1446 2221 sprintf(ctx->page.front, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2222 ctx->page.front += len;
adam@1446 2223
adam@1446 2224 return uw_unit_v;
adam@1446 2225 }
adam@1446 2226
adamc@821 2227 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2228 while (n >= 0) {
adam@1388 2229 if (*s == 0)
adam@1388 2230 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adam@1388 2231
adam@1388 2232 if (n == 0)
adam@1388 2233 return *s;
adam@1388 2234
adam@1388 2235 --n;
adam@1388 2236 ++s;
adam@1388 2237 }
adam@1388 2238
adam@1388 2239 uw_error(ctx, FATAL, "Negative strsub bound");
adamc@821 2240 }
adamc@821 2241
adamc@821 2242 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2243 while (n >= 0) {
adam@1388 2244 if (*s == 0 || n == 0)
adam@1388 2245 return s;
adam@1388 2246
adam@1388 2247 --n;
adam@1388 2248 ++s;
adam@1388 2249 }
adam@1388 2250
adam@1388 2251 uw_error(ctx, FATAL, "Negative strsuffix bound");
adamc@821 2252 }
adamc@821 2253
adamc@828 2254 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 2255 return strlen(s);
adamc@828 2256 }
adamc@828 2257
adam@1388 2258 uw_Basis_bool uw_Basis_strlenGe(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2259 while (n > 0) {
adam@1388 2260 if (*s == 0)
adam@1388 2261 return uw_Basis_False;
adam@1388 2262
adam@1388 2263 --n;
adam@1388 2264 ++s;
adam@1388 2265 }
adam@1388 2266
adam@1388 2267 return uw_Basis_True;
adam@1388 2268 }
adam@1388 2269
adamc@829 2270 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2271 return strchr(s, ch);
adamc@829 2272 }
adamc@829 2273
adamc@831 2274 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 2275 return strcspn(s, chs);
adamc@831 2276 }
adamc@831 2277
adamc@829 2278 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2279 uw_Basis_string r = strchr(s, ch);
adamc@829 2280 if (r == NULL)
adamc@829 2281 return NULL;
adamc@829 2282 else {
adamc@829 2283 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 2284 *nr = r - s;
adamc@829 2285 return nr;
adamc@829 2286 }
adamc@829 2287 }
adamc@829 2288
adam@1390 2289 uw_Basis_int *uw_Basis_strsindex(uw_context ctx, const char *haystack, const char *needle) {
adam@1390 2290 uw_Basis_string r = strstr(haystack, needle);
adam@1390 2291 if (r == NULL)
adam@1390 2292 return NULL;
adam@1390 2293 else {
adam@1390 2294 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adam@1390 2295 *nr = r - haystack;
adam@1390 2296 return nr;
adam@1390 2297 }
adam@1390 2298 }
adam@1390 2299
adamc@311 2300 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 2301 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 2302 char *s;
adamc@180 2303
adamc@311 2304 uw_check_heap(ctx, len);
adamc@180 2305
adamc@666 2306 s = ctx->heap.front;
adamc@180 2307
adamc@180 2308 strcpy(s, s1);
adamc@180 2309 strcat(s, s2);
adamc@666 2310 ctx->heap.front += len;
adamc@180 2311
adamc@180 2312 return s;
adamc@180 2313 }
adamc@278 2314
adamc@829 2315 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 2316 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 2317
adamc@829 2318 if (start < 0)
adamc@829 2319 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 2320 if (len < 0)
adamc@829 2321 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 2322 if (start + len > full_len)
adamc@829 2323 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 2324
adamc@829 2325 if (start + len == full_len)
adamc@829 2326 return &s[start];
adamc@829 2327 else {
adamc@829 2328 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 2329 memcpy(r, s+start, len);
adamc@829 2330 r[len] = 0;
adamc@829 2331 return r;
adamc@829 2332 }
adamc@829 2333
adamc@829 2334 }
adamc@829 2335
adamc@1023 2336 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023 2337 char *r;
adamc@1023 2338
adamc@1023 2339 uw_check_heap(ctx, 2);
adamc@1023 2340 r = ctx->heap.front;
adamc@1023 2341 r[0] = ch;
adamc@1023 2342 r[1] = 0;
adamc@1023 2343
adamc@1023 2344 ctx->heap.front += 2;
adamc@1023 2345
adamc@1023 2346 return r;
adamc@1023 2347 }
adamc@1023 2348
adamc@737 2349 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 2350 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 2351 char *s;
adamc@278 2352
adamc@311 2353 uw_check_heap(ctx, len);
adamc@278 2354
adamc@666 2355 s = ctx->heap.front;
adamc@278 2356
adamc@278 2357 strcpy(s, s1);
adamc@666 2358 ctx->heap.front += len;
adamc@278 2359
adamc@278 2360 return s;
adamc@278 2361 }
adamc@280 2362
adam@1295 2363 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295 2364 if (ctx->error_message[0]) {
adam@1295 2365 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295 2366 ctx->error_message[0] = 0;
adam@1295 2367 return s;
adam@1295 2368 } else
adam@1295 2369 return NULL;
adam@1295 2370 }
adam@1295 2371
adamc@737 2372 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 2373 if (s1)
adamc@737 2374 return uw_strdup(ctx, s1);
adamc@493 2375 else
adamc@493 2376 return NULL;
adamc@493 2377 }
adamc@493 2378
adamc@742 2379 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 2380 char *r = uw_malloc(ctx, len);
adamc@742 2381 memcpy(r, p, len);
adamc@742 2382 return r;
adamc@742 2383 }
adamc@280 2384
adamc@879 2385 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 2386
adamc@311 2387 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 2388 int len;
adamc@281 2389 char *r;
adamc@281 2390
adamc@311 2391 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 2392 r = ctx->heap.front;
adamc@879 2393 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 2394 ctx->heap.front += len+1;
adamc@281 2395 return r;
adamc@281 2396 }
adamc@281 2397
adamc@467 2398 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 2399 if (n == NULL)
adamc@467 2400 return "NULL";
adamc@467 2401 else
adamc@467 2402 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 2403 }
adamc@467 2404
adamc@879 2405 char *uw_sqlfmtFloat = "%g::float8%n";
adamc@879 2406
adamc@311 2407 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 2408 int len;
adamc@281 2409 char *r;
adamc@281 2410
adamc@311 2411 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 2412 r = ctx->heap.front;
adamc@879 2413 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 2414 ctx->heap.front += len+1;
adamc@281 2415 return r;
adamc@281 2416 }
adamc@281 2417
adamc@467 2418 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 2419 if (n == NULL)
adamc@467 2420 return "NULL";
adamc@467 2421 else
adamc@467 2422 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 2423 }
adamc@467 2424
adam@1834 2425 int uw_Estrings = 1, uw_sql_type_annotations = 1;
adamc@879 2426 char *uw_sqlsuffixString = "::text";
adamc@1011 2427 char *uw_sqlsuffixChar = "::char";
adamc@281 2428
adamc@311 2429 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 2430 char *r, *s2;
adamc@280 2431
adamc@879 2432 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 2433
adamc@666 2434 r = s2 = ctx->heap.front;
adamc@879 2435 if (uw_Estrings)
adamc@879 2436 *s2++ = 'E';
adamc@280 2437 *s2++ = '\'';
adamc@280 2438
adamc@280 2439 for (; *s; s++) {
adamc@280 2440 char c = *s;
adamc@280 2441
adamc@280 2442 switch (c) {
adamc@280 2443 case '\'':
adamc@885 2444 if (uw_Estrings)
adamc@885 2445 strcpy(s2, "\\'");
adamc@885 2446 else
adamc@885 2447 strcpy(s2, "''");
adamc@280 2448 s2 += 2;
adamc@280 2449 break;
adamc@280 2450 case '\\':
adamc@885 2451 if (uw_Estrings) {
adamc@885 2452 strcpy(s2, "\\\\");
adamc@885 2453 s2 += 2;
adamc@885 2454 } else
adamc@885 2455 *s2++ = '\\';
adamc@280 2456 break;
adamc@280 2457 default:
adamc@1150 2458 if (isprint((int)c))
adamc@280 2459 *s2++ = c;
adamc@879 2460 else if (uw_Estrings) {
adam@1857 2461 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@280 2462 s2 += 4;
adamc@280 2463 }
adamc@879 2464 else
adam@1689 2465 *s2++ = c; // I hope this is safe to do... don't know how to support UTF-8 outside Postgres otherwise!
adamc@280 2466 }
adamc@280 2467 }
adamc@280 2468
adamc@879 2469 *s2++ = '\'';
adamc@879 2470 strcpy(s2, uw_sqlsuffixString);
adamc@879 2471 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2472 return r;
adamc@280 2473 }
adamc@281 2474
adamc@1011 2475 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 2476 char *r, *s2;
adamc@1011 2477
adamc@1011 2478 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011 2479
adamc@1011 2480 r = s2 = ctx->heap.front;
adamc@1011 2481 if (uw_Estrings)
adamc@1011 2482 *s2++ = 'E';
adamc@1011 2483 *s2++ = '\'';
adamc@1011 2484
adamc@1011 2485 switch (c) {
adamc@1011 2486 case '\'':
adamc@1011 2487 if (uw_Estrings)
adamc@1011 2488 strcpy(s2, "\\'");
adamc@1011 2489 else
adamc@1011 2490 strcpy(s2, "''");
adamc@1011 2491 s2 += 2;
adamc@1011 2492 break;
adamc@1011 2493 case '\\':
adamc@1011 2494 if (uw_Estrings) {
adamc@1011 2495 strcpy(s2, "\\\\");
adamc@1011 2496 s2 += 2;
adamc@1011 2497 } else
adamc@1011 2498 *s2++ = '\\';
adamc@1011 2499 break;
adamc@1011 2500 default:
adamc@1150 2501 if (isprint((int)c))
adamc@1011 2502 *s2++ = c;
adamc@1011 2503 else if (uw_Estrings) {
adam@1857 2504 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1011 2505 s2 += 4;
adamc@1011 2506 }
adamc@1011 2507 else
adamc@1011 2508 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011 2509 }
adamc@1011 2510
adamc@1011 2511 *s2++ = '\'';
adamc@1011 2512 strcpy(s2, uw_sqlsuffixChar);
adamc@1011 2513 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011 2514 return r;
adamc@1011 2515 }
adamc@1011 2516
adamc@879 2517 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2518
adam@1867 2519 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2520 char *r, *s2;
adamc@737 2521 size_t i;
adamc@737 2522
adam@1867 2523 uw_check_heap(ctx, b.size * 5 + 4 + strlen(uw_sqlsuffixBlob));
adamc@737 2524
adamc@737 2525 r = s2 = ctx->heap.front;
adamc@879 2526 if (uw_Estrings)
adamc@879 2527 *s2++ = 'E';
adam@1867 2528 else
adam@1867 2529 *s2++ = 'X';
adamc@737 2530 *s2++ = '\'';
adamc@737 2531
adamc@737 2532 for (i = 0; i < b.size; ++i) {
adam@1867 2533 unsigned char c = b.data[i];
adam@1867 2534
adam@1867 2535 if (uw_Estrings) {
adam@1867 2536 switch (c) {
adam@1867 2537 case '\'':
adamc@885 2538 strcpy(s2, "\\'");
adam@1867 2539 s2 += 2;
adam@1867 2540 break;
adam@1867 2541 case '\\':
adamc@885 2542 strcpy(s2, "\\\\\\\\");
adamc@885 2543 s2 += 4;
adam@1867 2544 break;
adam@1867 2545 default:
adam@1867 2546 if (isprint((int)c))
adam@1867 2547 *s2++ = c;
adam@1867 2548 else {
adam@1867 2549 sprintf(s2, "\\\\%03o", c);
adam@1867 2550 s2 += 5;
adam@1867 2551 }
adamc@737 2552 }
adam@1867 2553 } else {
adam@1867 2554 sprintf(s2, "%02X", c);
adam@1867 2555 s2 += 2;
adamc@737 2556 }
adam@1867 2557 }
adamc@737 2558
adamc@879 2559 *s2++ = '\'';
adamc@879 2560 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2561 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2562 return r;
adamc@737 2563 }
adamc@737 2564
adamc@682 2565 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2566 int len;
adamc@682 2567 char *r;
adamc@682 2568 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2569
adamc@682 2570 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2571 r = ctx->heap.front;
adamc@879 2572 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2573 ctx->heap.front += len+1;
adamc@682 2574 return r;
adamc@682 2575 }
adamc@682 2576
adamc@682 2577 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2578 int len;
adamc@682 2579 char *r;
adamc@682 2580 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2581
adamc@682 2582 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2583 r = ctx->heap.front;
adamc@682 2584 sprintf(r, "%lld%n", combo, &len);
adamc@682 2585 ctx->heap.front += len+1;
adamc@682 2586 return r;
adamc@682 2587 }
adamc@682 2588
adamc@879 2589 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2590
adamc@682 2591 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2592 int len;
adamc@682 2593 char *r;
adamc@682 2594
adamc@682 2595 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2596 r = ctx->heap.front;
adamc@879 2597 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2598 ctx->heap.front += len+1;
adamc@682 2599 return r;
adamc@682 2600 }
adamc@682 2601
adamc@682 2602 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2603 int len;
adamc@682 2604 char *r;
adamc@682 2605
adamc@682 2606 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2607 r = ctx->heap.front;
adamc@682 2608 sprintf(r, "%u%n", cli, &len);
adamc@682 2609 ctx->heap.front += len+1;
adamc@682 2610 return r;
adamc@682 2611 }
adamc@682 2612
adamc@467 2613 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2614 if (s == NULL)
adamc@467 2615 return "NULL";
adamc@467 2616 else
adamc@467 2617 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2618 }
adamc@467 2619
adamc@311 2620 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2621 if (b == uw_Basis_False)
adamc@281 2622 return "FALSE";
adamc@281 2623 else
adamc@281 2624 return "TRUE";
adamc@281 2625 }
adamc@282 2626
adamc@467 2627 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2628 if (b == NULL)
adamc@467 2629 return "NULL";
adamc@467 2630 else
adamc@467 2631 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2632 }
adamc@467 2633
adamc@439 2634 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2635 size_t len;
adamc@682 2636 char *r, *s;
adam@1392 2637 struct tm stm = {};
adam@1392 2638 stm.tm_isdst = -1;
adamc@682 2639
adam@1365 2640 if (localtime_r(&t.seconds, &stm)) {
adamc@682 2641 s = uw_malloc(ctx, TIMES_MAX);
adam@1364 2642 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1834 2643 if (uw_sql_type_annotations) {
adam@1834 2644 if (t.microseconds) {
adam@1834 2645 r = uw_malloc(ctx, len + 21);
adam@1834 2646 sprintf(r, "'%s.%06u'::timestamp", s, t.microseconds);
adam@1834 2647 } else {
adam@1834 2648 r = uw_malloc(ctx, len + 14);
adam@1834 2649 sprintf(r, "'%s'::timestamp", s);
adam@1834 2650 }
adam@1367 2651 } else {
adam@1834 2652 r = uw_malloc(ctx, len + 3);
adam@1834 2653 sprintf(r, "'%s'", s);
adam@1367 2654 }
adamc@682 2655 return r;
adamc@682 2656 } else
adamc@682 2657 return "<Invalid time>";
adamc@682 2658 }
adamc@682 2659
adamc@682 2660 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2661 size_t len;
adamc@439 2662 char *r;
adam@1392 2663 struct tm stm = {};
adam@1392 2664 stm.tm_isdst = -1;
adamc@439 2665
adam@1365 2666 if (localtime_r(&t.seconds, &stm)) {
adamc@439 2667 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2668 r = ctx->heap.front;
adamc@439 2669 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2670 ctx->heap.front += len+1;
adamc@439 2671 return r;
adamc@439 2672 } else
adamc@439 2673 return "<Invalid time>";
adamc@439 2674 }
adamc@439 2675
adam@1364 2676 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364 2677 size_t len;
adam@1364 2678 char *r;
adam@1392 2679 struct tm stm = {};
adam@1392 2680 stm.tm_isdst = -1;
adam@1364 2681
adam@1365 2682 if (localtime_r(&t.seconds, &stm)) {
adam@1364 2683 uw_check_heap(ctx, TIMES_MAX);
adam@1364 2684 r = ctx->heap.front;
adam@1365 2685 len = strftime(r, TIMES_MAX-7, TIME_FMT_PG, &stm);
adam@1365 2686 ctx->heap.front += len;
adam@1365 2687 sprintf(ctx->heap.front, ".%06u", t.microseconds);
adam@1365 2688 ctx->heap.front += 8;
adam@1364 2689 return r;
adam@1364 2690 } else
adam@1364 2691 return "<Invalid time>";
adam@1364 2692 }
adam@1364 2693
adamc@467 2694 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2695 if (t == NULL)
adamc@467 2696 return "NULL";
adamc@467 2697 else
adamc@467 2698 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2699 }
adamc@467 2700
adamc@311 2701 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2702 static uw_Basis_int true = 1;
adamc@311 2703 static uw_Basis_int false = 0;
adamc@282 2704
adamc@311 2705 if (b == uw_Basis_False)
adamc@282 2706 return (char *)&false;
adamc@282 2707 else
adamc@282 2708 return (char *)&true;
adamc@282 2709 }
adamc@284 2710
adamc@311 2711 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2712 int len;
adamc@284 2713 char *r;
adamc@284 2714
adamc@311 2715 uw_check_heap(ctx, INTS_MAX);
adamc@666 2716 r = ctx->heap.front;
adamc@284 2717 sprintf(r, "%lld%n", n, &len);
adamc@666 2718 ctx->heap.front += len+1;
adamc@284 2719 return r;
adamc@284 2720 }
adamc@285 2721
adamc@311 2722 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2723 int len;
adamc@285 2724 char *r;
adamc@285 2725
adamc@311 2726 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2727 r = ctx->heap.front;
adamc@285 2728 sprintf(r, "%g%n", n, &len);
adamc@666 2729 ctx->heap.front += len+1;
adamc@285 2730 return r;
adamc@285 2731 }
adamc@285 2732
adamc@821 2733 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2734 char *r = uw_malloc(ctx, 2);
adamc@821 2735 r[0] = ch;
adamc@821 2736 r[1] = 0;
adamc@821 2737 return r;
adamc@821 2738 }
adamc@821 2739
adamc@311 2740 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2741 if (b == uw_Basis_False)
adamc@285 2742 return "False";
adamc@285 2743 else
adamc@285 2744 return "True";
adamc@285 2745 }
adamc@288 2746
adam@1359 2747 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352 2748 size_t len;
adam@1352 2749 char *r;
adam@1392 2750 struct tm stm = {};
adam@1392 2751 stm.tm_isdst = -1;
adam@1352 2752
adam@1365 2753 if (localtime_r(&t.seconds, &stm)) {
adam@1352 2754 uw_check_heap(ctx, TIMES_MAX);
adam@1352 2755 r = ctx->heap.front;
adam@1352 2756 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352 2757 ctx->heap.front += len+1;
adam@1352 2758 return r;
adam@1352 2759 } else
adam@1352 2760 return "<Invalid time>";
adam@1352 2761 }
adam@1352 2762
adam@1629 2763 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adam@1629 2764 return uw_Basis_timef(ctx, ctx->app->time_format, t);
adam@1629 2765 }
adam@1629 2766
adamc@311 2767 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2768 char *endptr;
adamc@311 2769 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2770
adamc@288 2771 if (*s != '\0' && *endptr == '\0') {
adamc@311 2772 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2773 *r = n;
adamc@288 2774 return r;
adamc@288 2775 } else
adamc@288 2776 return NULL;
adamc@288 2777 }
adamc@289 2778
adamc@311 2779 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2780 char *endptr;
adamc@311 2781 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2782
adamc@289 2783 if (*s != '\0' && *endptr == '\0') {
adamc@311 2784 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2785 *r = n;
adamc@289 2786 return r;
adamc@289 2787 } else
adamc@289 2788 return NULL;
adamc@289 2789 }
adamc@289 2790
adamc@821 2791 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2792 if (s[0] == 0) {
adamc@821 2793 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2794 r[0] = 0;
adamc@821 2795 return r;
adamc@821 2796 } else if (s[1] != 0)
adamc@821 2797 return NULL;
adamc@821 2798 else {
adamc@821 2799 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2800 r[0] = s[0];
adamc@821 2801 return r;
adamc@821 2802 }
adamc@821 2803 }
adamc@821 2804
adamc@311 2805 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2806 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2807 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2808
adamc@289 2809 if (!strcasecmp (s, "True"))
adamc@289 2810 return &true;
adamc@289 2811 else if (!strcasecmp (s, "False"))
adamc@289 2812 return &false;
adamc@289 2813 else
adamc@289 2814 return NULL;
adamc@289 2815 }
adamc@292 2816
adamc@436 2817 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2818 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1374 2819 struct tm stm = {};
adam@1392 2820 stm.tm_isdst = -1;
adamc@436 2821
adamc@439 2822 if (dot) {
adamc@439 2823 *dot = 0;
adamc@439 2824 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2825 *dot = '.';
adamc@439 2826 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2827 r->seconds = mktime(&stm);
adam@1365 2828 r->microseconds = 0;
adamc@439 2829 return r;
adamc@439 2830 }
adamc@439 2831 else {
adamc@439 2832 *dot = '.';
adamc@439 2833 return NULL;
adamc@439 2834 }
adamc@436 2835 }
adamc@439 2836 else {
adamc@439 2837 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2838 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2839 r->seconds = mktime(&stm);
adam@1365 2840 r->microseconds = 0;
adamc@439 2841 return r;
adamc@439 2842 }
adamc@439 2843 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2844 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2845 r->seconds = mktime(&stm);
adam@1365 2846 r->microseconds = 0;
adamc@439 2847 return r;
adam@1632 2848 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632 2849 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1632 2850 r->seconds = mktime(&stm);
adam@1632 2851 r->microseconds = 0;
adam@1632 2852 return r;
adamc@439 2853 }
adamc@439 2854 else
adamc@439 2855 return NULL;
adamc@439 2856 }
adamc@436 2857 }
adamc@436 2858
adam@1352 2859 uw_Basis_time *uw_Basis_stringToTimef(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2860 char *end = strchr(s, 0);
adam@1374 2861 struct tm stm = {};
adam@1392 2862 stm.tm_isdst = -1;
adam@1352 2863
adam@1352 2864 if (strptime(s, fmt, &stm) == end) {
adam@1352 2865 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2866 r->seconds = mktime(&stm);
adam@1365 2867 r->microseconds = 0;
adam@1352 2868 return r;
adam@1352 2869 }
adam@1352 2870 else
adam@1352 2871 return NULL;
adam@1352 2872 }
adam@1352 2873
adamc@311 2874 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 2875 char *endptr;
adamc@311 2876 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 2877
adamc@292 2878 if (*s != '\0' && *endptr == '\0')
adamc@292 2879 return n;
adamc@292 2880 else
adam@1444 2881 uw_error(ctx, FATAL, "Can't parse int: %s", uw_Basis_htmlifyString(ctx, s));
adamc@292 2882 }
adamc@293 2883
adamc@682 2884 #include <errno.h>
adamc@682 2885
adamc@678 2886 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 2887 unsigned long long n;
adamc@682 2888
adamc@682 2889 if (sscanf(s, "%llu", &n) < 1)
adam@1444 2890 uw_error(ctx, FATAL, "Can't parse channel: %s", uw_Basis_htmlifyString(ctx, s));
adamc@682 2891 else {
adamc@682 2892 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 2893 return ch;
adamc@682 2894 }
adamc@682 2895 }
adamc@682 2896
adamc@682 2897 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 2898 char *endptr;
adamc@682 2899 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 2900
adamc@678 2901 if (*s != '\0' && *endptr == '\0')
adamc@678 2902 return n;
adamc@678 2903 else
adam@1444 2904 uw_error(ctx, FATAL, "Can't parse client: %s", uw_Basis_htmlifyString(ctx, s));
adamc@678 2905 }
adamc@678 2906
adamc@311 2907 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 2908 char *endptr;
adamc@311 2909 uw_Basis_float n = strtod(s, &endptr);
adamc@293 2910
adamc@293 2911 if (*s != '\0' && *endptr == '\0')
adamc@293 2912 return n;
adamc@293 2913 else
adam@1444 2914 uw_error(ctx, FATAL, "Can't parse float: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 2915 }
adamc@293 2916
adamc@821 2917 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 2918 if (s[0] == 0)
adamc@821 2919 return 0;
adamc@821 2920 else if (s[1] != 0)
adam@1444 2921 uw_error(ctx, FATAL, "Can't parse char: %s", uw_Basis_htmlifyString(ctx, s));
adamc@821 2922 else
adamc@821 2923 return s[0];
adamc@821 2924 }
adamc@821 2925
adamc@311 2926 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 2927 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 2928 return uw_Basis_True;
adamc@296 2929 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 2930 return uw_Basis_False;
adamc@293 2931 else
adam@1444 2932 uw_error(ctx, FATAL, "Can't parse bool: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 2933 }
adamc@436 2934
adam@1352 2935 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352 2936 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1352 2937 struct tm stm = {};
adam@1392 2938 stm.tm_isdst = -1;
adam@1352 2939
adam@1352 2940 if (dot) {
adam@1352 2941 *dot = 0;
adam@1352 2942 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352 2943 *dot = '.';
adam@1410 2944 char usec[] = "000000";
adam@1410 2945 int len = strlen(dot+1);
adam@1410 2946 memcpy(usec, dot+1, len < 6 ? len : 6);
adam@1410 2947 uw_Basis_time r = { mktime(&stm), atoi(usec) };
adam@1365 2948 return r;
adam@1352 2949 }
adam@1352 2950 else {
adam@1352 2951 *dot = '.';
adam@1444 2952 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 2953 }
adam@1352 2954 }
adam@1352 2955 else {
adam@1352 2956 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 2957 uw_Basis_time r = { mktime(&stm) };
adam@1365 2958 return r;
adam@1352 2959 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 2960 uw_Basis_time r = { mktime(&stm) };
adam@1365 2961 return r;
adam@1352 2962 } else
adam@1444 2963 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 2964 }
adam@1352 2965 }
adam@1352 2966
adamc@436 2967 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 2968 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2969 struct tm stm = {};
adam@1392 2970 stm.tm_isdst = -1;
adamc@436 2971
adamc@438 2972 if (dot) {
adamc@438 2973 *dot = 0;
adamc@438 2974 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 2975 *dot = '.';
adam@1365 2976 {
adam@1365 2977 uw_Basis_time r = { mktime(&stm) };
adam@1365 2978 return r;
adam@1365 2979 }
adamc@438 2980 }
adamc@438 2981 else {
adamc@438 2982 *dot = '.';
adam@1444 2983 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 2984 }
adamc@438 2985 }
adamc@438 2986 else {
adam@1365 2987 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 2988 uw_Basis_time r = { mktime(&stm) };
adam@1365 2989 return r;
adam@1365 2990 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 2991 uw_Basis_time r = { mktime(&stm) };
adam@1365 2992 return r;
adam@1632 2993 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632 2994 uw_Basis_time r = { mktime(&stm) };
adam@1632 2995 return r;
adam@1365 2996 } else
adam@1444 2997 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 2998 }
adamc@436 2999 }
adamc@457 3000
adam@1352 3001 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 3002 char *end = strchr(s, 0);
adamc@939 3003 struct tm stm = {};
adam@1392 3004 stm.tm_isdst = -1;
adamc@939 3005
adam@1365 3006 if (strptime(s, fmt, &stm) == end) {
adam@1365 3007 uw_Basis_time r = { mktime(&stm) };
adam@1365 3008 return r;
adam@1365 3009 } else
adam@1444 3010 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@939 3011 }
adamc@939 3012
adamc@742 3013 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 3014 char *r = ctx->heap.front;
adamc@742 3015 uw_Basis_blob b = {len, r};
adamc@742 3016
adamc@742 3017 uw_check_heap(ctx, len);
adamc@742 3018
adamc@742 3019 while (*s) {
adamc@742 3020 if (s[0] == '\\') {
adamc@742 3021 if (s[1] == '\\') {
adamc@742 3022 *r++ = '\\';
adamc@742 3023 s += 2;
adamc@1153 3024 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adamc@742 3025 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adamc@742 3026 s += 4;
adamc@742 3027 }
adamc@742 3028 else {
adamc@742 3029 *r++ = '\\';
adamc@742 3030 ++s;
adamc@742 3031 }
adamc@742 3032 } else {
adamc@742 3033 *r++ = s[0];
adamc@742 3034 ++s;
adamc@742 3035 }
adamc@742 3036 }
adamc@742 3037
adamc@742 3038 b.size = r - ctx->heap.front;
adamc@742 3039 ctx->heap.front = r;
adamc@742 3040 return b;
adamc@742 3041 }
adamc@742 3042
adam@1402 3043 #define THE_PAST "expires=Sat, 01-Jan-2011 00:00:00 GMT"
adamc@1052 3044
adamc@463 3045 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 3046 int len = strlen(c);
adamc@854 3047 char *p = ctx->outHeaders.start;
adamc@474 3048
adamc@1134 3049 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474 3050 char *p2;
adamc@474 3051 p += 13;
adamc@474 3052 p2 = strchr(p, '=');
adamc@474 3053
adamc@474 3054 if (p2) {
adamc@474 3055 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 3056
adamc@474 3057 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052 3058 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052 3059 return NULL;
adamc@1052 3060 else {
adamc@1052 3061 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052 3062 memcpy(ret, p2+1, sz);
adamc@1052 3063 ret[sz] = 0;
adamc@1052 3064 return ret;
adamc@1052 3065 }
adamc@474 3066 }
adamc@474 3067 }
adamc@474 3068 }
adamc@463 3069
adamc@1134 3070 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051 3071 char *p2;
adamc@1051 3072
adamc@854 3073 while (1) {
adamc@1051 3074 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134 3075 if ((p2 = strchr(p, ';'))) {
adamc@1051 3076 size_t n = p2 - (p + len);
adamc@1051 3077 char *r = uw_malloc(ctx, n);
adamc@1051 3078 memcpy(r, p + 1 + len, n-1);
adamc@1051 3079 r[n-1] = 0;
adamc@1051 3080 return r;
adamc@1051 3081 } else
adamc@1051 3082 return p + 1 + len;
adamc@1134 3083 } else if ((p = strchr(p, ';')))
adamc@854 3084 p += 2;
adamc@463 3085 else
adamc@463 3086 return NULL;
adamc@463 3087 }
adamc@463 3088 }
adamc@792 3089
adamc@792 3090 return NULL;
adamc@457 3091 }
adamc@462 3092
adam@1877 3093 static void set_cookie(uw_context ctx) {
adam@1877 3094 if (ctx->usedSig)
adam@1877 3095 ctx->needsResig = 1;
adam@1877 3096 }
adam@1877 3097
adamc@1050 3098 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 3099 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 3100 uw_write_header(ctx, c);
adamc@462 3101 uw_write_header(ctx, "=");
adamc@462 3102 uw_write_header(ctx, v);
adamc@466 3103 uw_write_header(ctx, "; path=");
adamc@466 3104 uw_write_header(ctx, prefix);
adamc@1050 3105 if (expires) {
adamc@1050 3106 char formatted[30];
adam@1392 3107 struct tm tm = {};
adam@1392 3108 tm.tm_isdst = -1;
adamc@1050 3109
adam@1365 3110 gmtime_r(&expires->seconds, &tm);
adamc@1050 3111
adamc@1050 3112 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050 3113
adamc@1050 3114 uw_write_header(ctx, "; expires=");
adamc@1050 3115 uw_write_header(ctx, formatted);
adamc@1050 3116 }
adamc@1050 3117 if (secure)
adamc@1050 3118 uw_write_header(ctx, "; secure");
adamc@462 3119 uw_write_header(ctx, "\r\n");
adam@1877 3120 set_cookie(ctx);
adamc@462 3121
adamc@462 3122 return uw_unit_v;
adamc@462 3123 }
adamc@667 3124
adamc@1050 3125 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050 3126 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050 3127 uw_write_header(ctx, c);
adamc@1050 3128 uw_write_header(ctx, "=; path=");
adamc@1050 3129 uw_write_header(ctx, prefix);
adamc@1052 3130 uw_write_header(ctx, "; " THE_PAST "\r\n");
adam@1877 3131 set_cookie(ctx);
adamc@1050 3132
adamc@1050 3133 return uw_unit_v;
adamc@1050 3134 }
adamc@1050 3135
adamc@1113 3136 size_t uw_deltas_max = SIZE_MAX;
adamc@1113 3137
adamc@682 3138 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 3139 unsigned i;
adamc@682 3140 delta *d;
adamc@671 3141
adamc@682 3142 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 3143 if (ctx->deltas[i].client == client)
adamc@682 3144 return &ctx->deltas[i];
adamc@671 3145
adamc@682 3146 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113 3147 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113 3148 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113 3149
adamc@682 3150 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adam@1369 3151 uw_buffer_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 3152 }
adamc@671 3153
adamc@682 3154 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 3155 d->client = client;
adam@1369 3156 uw_buffer_reset(&d->msgs);
adamc@682 3157 return d;
adamc@671 3158 }
adamc@671 3159
adamc@668 3160 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 3161 if (ctx->client == NULL)
adamc@682 3162 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 3163
adamc@682 3164 return new_channel(ctx->client);
adamc@668 3165 }
adamc@668 3166
adamc@668 3167 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 3168 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 3169 size_t len;
adamc@682 3170 int preLen;
adamc@682 3171 char pre[INTS_MAX + 2];
adamc@668 3172
adamc@682 3173 len = strlen(msg);
adamc@682 3174
adamc@682 3175 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 3176
adam@1369 3177 ctx_uw_buffer_append(ctx, "messages", &d->msgs, pre, preLen);
adam@1369 3178 ctx_uw_buffer_append(ctx, "messages", &d->msgs, msg, len);
adam@1369 3179 ctx_uw_buffer_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671 3180
adamc@671 3181 return uw_unit_v;
adamc@668 3182 }
adamc@671 3183
adam@1327 3184 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131 3185 int i;
adamc@1131 3186 cleanup *cl;
adamc@1131 3187
adamc@1131 3188 if (ctx->client)
adamc@1131 3189 release_client(ctx->client);
adamc@1131 3190
adamc@1131 3191 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131 3192 cl->func(cl->arg);
adamc@1131 3193
adamc@1131 3194 ctx->cleanup_front = ctx->cleanup;
adamc@1131 3195
adamc@1131 3196 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3197 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3198 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131 3199
adamc@1131 3200 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3201 if (ctx->transactionals[i].free)
adam@1327 3202 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131 3203
adamc@1144 3204 return ctx->app ? ctx->app->db_rollback(ctx) : 0;
adamc@1131 3205 }
adamc@1131 3206
adam@1728 3207 static const char begin_xhtml[] = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">";
adam@1728 3208
adam@1877 3209 extern int uw_hash_blocksize;
adam@1877 3210
adam@1877 3211 static const char sig_intro[] = "<input type=\"hidden\" name=\"Sig\" value=\"";
adam@1877 3212
adam@1877 3213 static char *find_sig(char *haystack) {
adam@1877 3214 int i;
adam@1877 3215 char *s = strstr(haystack, sig_intro);
adam@1877 3216
adam@1877 3217 if (!s || strlen(haystack) - (s - haystack) - (sizeof sig_intro - 1) < uw_hash_blocksize*2+1)
adam@1877 3218 return NULL;
adam@1877 3219
adam@1877 3220 s += sizeof sig_intro - 1;
adam@1877 3221
adam@1877 3222 for (i = 0; i < uw_hash_blocksize*2; ++i)
adam@1877 3223 if (!isxdigit((int)s[i]))
adam@1877 3224 return NULL;
adam@1877 3225
adam@1877 3226 if (s[i] != '"')
adam@1877 3227 return NULL;
adam@1877 3228
adam@1877 3229 return s;
adam@1877 3230 }
adam@1877 3231
adamc@671 3232 void uw_commit(uw_context ctx) {
adamc@1104 3233 int i;
adam@1877 3234 char *sig;
adamc@1104 3235
adamc@1131 3236 if (uw_has_error(ctx)) {
adam@1327 3237 uw_rollback(ctx, 0);
adamc@1131 3238 return;
adamc@1131 3239 }
adamc@1131 3240
adamc@1104 3241 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3242 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3243 if (ctx->transactionals[i].commit) {
adamc@1083 3244 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3245 if (uw_has_error(ctx)) {
adam@1327 3246 uw_rollback(ctx, 0);
adamc@1131 3247 return;
adamc@1131 3248 }
adamc@1131 3249 }
adamc@771 3250
adamc@1104 3251 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3252 if (ctx->transactionals[i].rollback == NULL)
adamc@1131 3253 if (ctx->transactionals[i].commit) {
adamc@1083 3254 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3255 if (uw_has_error(ctx)) {
adam@1327 3256 uw_rollback(ctx, 0);
adamc@1131 3257 return;
adamc@1131 3258 }
adamc@1131 3259 }
adamc@1131 3260
adamc@1131 3261 if (ctx->app->db_commit(ctx)) {
adamc@1131 3262 uw_set_error_message(ctx, "Error running SQL COMMIT");
adamc@1131 3263 return;
adamc@1131 3264 }
adamc@682 3265
adamc@682 3266 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 3267 delta *d = &ctx->deltas[i];
adamc@682 3268 client *c = find_client(d->client);
adamc@682 3269
adam@1551 3270 assert (c != NULL);
adam@1551 3271 assert(c->mode == USED);
adamc@682 3272
adam@1447 3273 client_send(c, &d->msgs, ctx->script.start, uw_buffer_used(&ctx->script));
adamc@682 3274 }
adamc@682 3275
adamc@682 3276 if (ctx->client)
adamc@685 3277 release_client(ctx->client);
adamc@771 3278
adamc@1104 3279 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083 3280 if (ctx->transactionals[i].free)
adam@1327 3281 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916 3282
vshabanoff@1726 3283 uw_check(ctx, 1);
vshabanoff@1726 3284 *ctx->page.front = 0;
adam@1413 3285
adam@1728 3286 if (!ctx->returning_indirectly && !strncmp(ctx->page.start, begin_xhtml, sizeof begin_xhtml - 1)) {
adam@1728 3287 char *s;
adam@1728 3288
adam@1728 3289 // Splice script data into appropriate part of page, also adding <head> if needed.
adam@1728 3290 s = ctx->page.start + sizeof begin_xhtml - 1;
adam@1728 3291 s = strchr(s, '<');
adam@1728 3292 if (s == NULL) {
adam@1728 3293 // Weird. Document has no tags!
adam@1728 3294
adam@1728 3295 uw_write(ctx, "<head></head><body></body>");
adam@1728 3296 uw_check(ctx, 1);
adam@1728 3297 *ctx->page.front = 0;
adam@1728 3298 } else if (!strncmp(s, "<head>", 6)) {
adam@1728 3299 // <head> is present. Let's add the <script> tags immediately after it.
adam@1728 3300
adam@1729 3301 // Any freeform JavaScript to include?
adam@1729 3302 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729 3303 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729 3304 size_t lenP = lenH + 40 + len;
adam@1729 3305 char *start = s + 6, *oldPage = ctx->page.start;
adam@1729 3306
adam@1729 3307 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3308 start += ctx->page.start - oldPage;
adam@1729 3309 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3310 ctx->page.front += lenP;
adam@1729 3311 memcpy(start, ctx->script_header, lenH);
adam@1729 3312 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adam@1729 3313 memcpy(start + lenH + 31, ctx->script.start, len);
adam@1729 3314 memcpy(start + lenH + 31 + len, "</script>", 9);
adam@1729 3315 } else {
adam@1729 3316 size_t lenH = strlen(ctx->script_header);
adam@1729 3317 char *start = s + 6, *oldPage = ctx->page.start;
adam@1729 3318
adam@1729 3319 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenH);
adam@1729 3320 start += ctx->page.start - oldPage;
adam@1729 3321 memmove(start + lenH, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3322 ctx->page.front += lenH;
adam@1729 3323 memcpy(start, ctx->script_header, lenH);
adam@1729 3324 }
adam@1728 3325 } else {
adam@1728 3326 // No <head>. At this point, add it, with <script> tags inside.
adam@1728 3327
adam@1729 3328 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729 3329 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729 3330 size_t lenP = lenH + 53 + len;
adam@1729 3331 char *start = s, *oldPage = ctx->page.start;
adam@1729 3332
adam@1729 3333 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3334 start += ctx->page.start - oldPage;
adam@1729 3335 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3336 ctx->page.front += lenP;
adam@1729 3337 memcpy(start, "<head>", 6);
adam@1729 3338 memcpy(start + 6, ctx->script_header, lenH);
adam@1729 3339 memcpy(start + 6 + lenH, "<script type=\"text/javascript\">", 31);
adam@1729 3340 memcpy(start + 6 + lenH + 31, ctx->script.start, len);
adam@1729 3341 memcpy(start + 6 + lenH + 31 + len, "</script></head>", 16);
adam@1729 3342 } else {
adam@1729 3343 size_t lenH = strlen(ctx->script_header);
adam@1729 3344 size_t lenP = lenH + 13;
adam@1729 3345 char *start = s, *oldPage = ctx->page.start;
adam@1729 3346
adam@1729 3347 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729 3348 start += ctx->page.start - oldPage;
adam@1729 3349 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729 3350 ctx->page.front += lenP;
adam@1729 3351 memcpy(start, "<head>", 6);
adam@1729 3352 memcpy(start + 6, ctx->script_header, lenH);
adam@1729 3353 memcpy(start + 6 + lenH, "</head>", 7);
adam@1729 3354 }
adamc@916 3355 }
adamc@916 3356 }
adam@1877 3357
adam@1877 3358 if (ctx->needsResig) {
adam@1877 3359 sig = find_sig(ctx->page.start);
adam@1877 3360 if (sig) {
adam@1877 3361 char *realsig = ctx->app->cookie_sig(ctx);
adam@1877 3362
adam@1877 3363 do {
adam@1877 3364 memcpy(sig, realsig, 2*uw_hash_blocksize);
adam@1877 3365 sig = find_sig(sig);
adam@1877 3366 } while (sig);
adam@1877 3367 }
adam@1877 3368 }
adamc@671 3369 }
adamc@671 3370
adamc@683 3371
adamc@1113 3372 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113 3373
adamc@771 3374 void uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327 3375 uw_callback_with_retry free) {
adamc@771 3376 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113 3377 if (ctx->used_transactionals+1 > uw_transactionals_max)
adamc@1113 3378 uw_error(ctx, FATAL, "Exceeded limit on number of transactionals");
adamc@1084 3379 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771 3380 ++ctx->n_transactionals;
adamc@771 3381 }
adamc@771 3382
adamc@771 3383 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 3384 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 3385 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 3386 ctx->transactionals[ctx->used_transactionals++].free = free;
adamc@771 3387 }
adamc@771 3388
adamc@683 3389
adamc@683 3390 // "Garbage collection"
adamc@683 3391
adamc@1121 3392 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121 3393 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121 3394
adamc@1121 3395 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683 3396 int r = setjmp(ctx->jmp_buf);
adamc@683 3397
adamc@1121 3398 if (r == 0)
adamc@1121 3399 uw_do_expunge(ctx, cli, data);
adamc@1121 3400 else
adamc@1121 3401 ctx->app->db_rollback(ctx);
adamc@1121 3402
adamc@1121 3403 uw_post_expunge(ctx, data);
adamc@683 3404
adamc@683 3405 return r;
adamc@683 3406 }
adamc@683 3407
adamc@683 3408 void uw_prune_clients(uw_context ctx) {
adamc@683 3409 client *c, *next, *prev = NULL;
adamc@683 3410 time_t cutoff;
adamc@683 3411
adamc@1094 3412 cutoff = time(NULL) - ctx->app->timeout;
adamc@683 3413
adamc@683 3414 pthread_mutex_lock(&clients_mutex);
adam@1707 3415 pruning_thread = pthread_self();
adam@1707 3416 pruning_thread_initialized = 1;
adamc@683 3417
adamc@683 3418 for (c = clients_used; c; c = next) {
adamc@683 3419 next = c->next;
adamc@683 3420 pthread_mutex_lock(&c->lock);
adamc@685 3421 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 3422 failure_kind fk = UNLIMITED_RETRY;
adamc@683 3423 if (prev)
adamc@683 3424 prev->next = next;
adamc@683 3425 else
adamc@683 3426 clients_used = next;
adamc@684 3427 uw_reset(ctx);
adamc@683 3428 while (fk == UNLIMITED_RETRY) {
adamc@1121 3429 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121 3430 if (fk == UNLIMITED_RETRY)
adamc@684 3431 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 3432 }
adamc@684 3433 if (fk == SUCCESS)
adamc@684 3434 free_client(c);
adamc@1121 3435 else
adamc@856 3436 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683 3437 }
adamc@683 3438 else
adamc@683 3439 prev = c;
adamc@683 3440 pthread_mutex_unlock(&c->lock);
adamc@683 3441 }
adamc@683 3442
adamc@683 3443 pthread_mutex_unlock(&clients_mutex);
adamc@683 3444 }
adamc@687 3445
adamc@687 3446 failure_kind uw_initialize(uw_context ctx) {
adamc@687 3447 int r = setjmp(ctx->jmp_buf);
adamc@687 3448
adamc@687 3449 if (r == 0) {
adamc@1094 3450 if (ctx->app->db_begin(ctx))
adamc@687 3451 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@1094 3452 ctx->app->initializer(ctx);
adamc@1094 3453 if (ctx->app->db_commit(ctx))
adamc@687 3454 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 3455 }
adamc@687 3456
adamc@687 3457 return r;
adamc@687 3458 }
adamc@717 3459
adamc@1065 3460 static int url_bad(uw_Basis_string s) {
adamc@1065 3461 for (; *s; ++s)
adamc@1153 3462 if (!isgraph((int)*s))
adamc@1065 3463 return 1;
adamc@1065 3464
adamc@1065 3465 return 0;
adamc@1065 3466 }
adamc@1065 3467
adamc@717 3468 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065 3469 if (url_bad(s))
adamc@1065 3470 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094 3471 if (ctx->app->check_url(s))
adamc@770 3472 return s;
adamc@770 3473 else
adamc@770 3474 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 3475 }
adamc@734 3476
adamc@770 3477 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065 3478 if (url_bad(s))
adamc@1065 3479 return NULL;
adamc@1094 3480 if (ctx->app->check_url(s))
adamc@770 3481 return s;
adamc@770 3482 else
adamc@770 3483 return NULL;
adamc@770 3484 }
adamc@770 3485
adam@1465 3486 static int mime_format(const char *s) {
adamc@770 3487 for (; *s; ++s)
adamc@1153 3488 if (!isalnum((int)*s) && *s != '/' && *s != '-' && *s != '.')
adamc@770 3489 return 0;
adamc@770 3490
adamc@770 3491 return 1;
adamc@770 3492 }
adamc@770 3493
adamc@741 3494 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3495 if (!mime_format(s))
adamc@770 3496 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 3497
adamc@1094 3498 if (ctx->app->check_mime(s))
adamc@770 3499 return s;
adamc@770 3500 else
adamc@770 3501 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 3502 }
adamc@770 3503
adamc@770 3504 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3505 if (!mime_format(s))
adamc@770 3506 return NULL;
adamc@770 3507
adamc@1094 3508 if (ctx->app->check_mime(s))
adamc@770 3509 return s;
adamc@770 3510 else
adamc@770 3511 return NULL;
adamc@741 3512 }
adamc@741 3513
adam@1465 3514 uw_Basis_string uw_Basis_blessRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3515 if (!mime_format(s))
adam@1465 3516 uw_error(ctx, FATAL, "Request header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3517
adam@1465 3518 if (ctx->app->check_requestHeader(s))
adam@1465 3519 return s;
adam@1465 3520 else
adam@1465 3521 uw_error(ctx, FATAL, "Disallowed request header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3522 }
adam@1465 3523
adam@1465 3524 uw_Basis_string uw_Basis_checkRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3525 if (!mime_format(s))
adam@1465 3526 return NULL;
adam@1465 3527
adam@1465 3528 if (ctx->app->check_requestHeader(s))
adam@1465 3529 return s;
adam@1465 3530 else
adam@1465 3531 return NULL;
adam@1465 3532 }
adam@1465 3533
adam@1465 3534 uw_Basis_string uw_Basis_blessResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1465 3535 if (!mime_format(s))
adam@1465 3536 uw_error(ctx, FATAL, "Response header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465 3537
adam@1465 3538 if (ctx->app->check_responseHeader(s))
adam@1465 3539 return s;
adam@1465 3540 else
adam@1465 3541 uw_error(ctx, FATAL, "Disallowed response header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465 3542 }
adam@1465 3543
adam@1799 3544 static int envVar_format(const char *s) {
adam@1799 3545 for (; *s; ++s)
adam@1799 3546 if (!isalnum((int)*s) && *s != '_' && *s != '.')
adam@1799 3547 return 0;
adam@1799 3548
adam@1799 3549 return 1;
adam@1799 3550 }
adam@1799 3551
adam@1465 3552 uw_Basis_string uw_Basis_checkResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1799 3553 if (!envVar_format(s))
adam@1465 3554 return NULL;
adam@1465 3555
adam@1465 3556 if (ctx->app->check_responseHeader(s))
adam@1465 3557 return s;
adam@1465 3558 else
adam@1465 3559 return NULL;
adam@1465 3560 }
adam@1465 3561
adam@1799 3562 uw_Basis_string uw_Basis_blessEnvVar(uw_context ctx, uw_Basis_string s) {
adam@1799 3563 if (!envVar_format(s))
adam@1799 3564 uw_error(ctx, FATAL, "Environment variable \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1799 3565
adam@1799 3566 if (ctx->app->check_envVar(s))
adam@1799 3567 return s;
adam@1799 3568 else
adam@1799 3569 uw_error(ctx, FATAL, "Disallowed environment variable %s", uw_Basis_htmlifyString(ctx, s));
adam@1799 3570 }
adam@1799 3571
adam@1799 3572 uw_Basis_string uw_Basis_checkEnvVar(uw_context ctx, uw_Basis_string s) {
adam@1799 3573 if (!mime_format(s))
adam@1799 3574 return NULL;
adam@1799 3575
adam@1799 3576 if (ctx->app->check_envVar(s))
adam@1799 3577 return s;
adam@1799 3578 else
adam@1799 3579 return NULL;
adam@1799 3580 }
adam@1799 3581
adam@1465 3582 uw_Basis_string uw_Basis_getHeader(uw_context ctx, uw_Basis_string name) {
adam@1465 3583 return uw_Basis_requestHeader(ctx, name);
adam@1465 3584 }
adam@1465 3585
adam@1465 3586 static int mime_value_format(const char *s) {
adam@1465 3587 for (; *s; ++s)
adam@1465 3588 if (*s == '\r' || *s == '\n')
adam@1465 3589 return 0;
adam@1465 3590
adam@1465 3591 return 1;
adam@1465 3592 }
adam@1465 3593
adam@1465 3594 uw_unit uw_Basis_setHeader(uw_context ctx, uw_Basis_string name, uw_Basis_string value) {
adam@1465 3595 if (!mime_value_format(value))
adam@1465 3596 uw_error(ctx, FATAL, "Invalid value for HTTP response header");
adam@1465 3597
adam@1465 3598 uw_write_header(ctx, name);
adam@1465 3599 uw_write_header(ctx, ": ");
adam@1465 3600 uw_write_header(ctx, value);
adam@1465 3601 uw_write_header(ctx, "\r\n");
adam@1465 3602
adam@1465 3603 return uw_unit_v;
adam@1465 3604 }
adam@1465 3605
adam@1799 3606 uw_Basis_string uw_Basis_getenv(uw_context ctx, uw_Basis_string name) {
adam@1799 3607 return ctx->get_env(ctx->get_env_data, name);
adam@1799 3608 }
adam@1799 3609
adamc@734 3610 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 3611 return s ? s : "";
adamc@734 3612 }
adamc@734 3613
adamc@734 3614 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 3615 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 3616 int i;
adamc@734 3617
adamc@734 3618 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 3619 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 3620
adamc@734 3621 return r;
adamc@734 3622 }
adamc@734 3623
adam@1512 3624 /* This bit of crafty code is intended to prevent GCC from performing
adam@1512 3625 * optimizations that would enable timing attacks. See:
adam@1512 3626 * http://www.impredicative.com/pipermail/ur/2011-July/000659.html
adam@1512 3627 */
adam@1512 3628 int uw_streq(uw_Basis_string s1, uw_Basis_string s2) {
adam@1512 3629 int i, x = 0, len1 = strlen(s1);
adam@1512 3630
adam@1512 3631 if (len1 != strlen(s2)) return 0;
adam@1512 3632
adam@1512 3633 for (i = 0; i < len1; ++i) {
adam@1512 3634 __asm__ __volatile__ ("");
adam@1512 3635 x |= s1[i] ^ s2[i];
adam@1512 3636 }
adam@1512 3637
adam@1512 3638 return x == 0;
adam@1512 3639 }
adam@1512 3640
adamc@734 3641 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adam@1877 3642 ctx->usedSig = 1;
adamc@1094 3643 return ctx->app->cookie_sig(ctx);
adamc@734 3644 }
adamc@737 3645
adamc@737 3646 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 3647 return f.name;
adamc@737 3648 }
adamc@737 3649
adamc@740 3650 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 3651 return f.type;
adamc@740 3652 }
adamc@740 3653
adamc@745 3654 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 3655 return b.size;
adamc@745 3656 }
adamc@745 3657
adamc@1119 3658 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119 3659 uw_Basis_blob b = {strlen(s), s};
adamc@1119 3660
adamc@1119 3661 return b;
adamc@1119 3662 }
adamc@1119 3663
adamc@737 3664 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 3665 return f.data;
adamc@737 3666 }
adamc@741 3667
adam@1347 3668 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3669 return pb.type;
adam@1347 3670 }
adam@1347 3671
adam@1347 3672 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3673 return pb.data;
adam@1347 3674 }
adam@1347 3675
adam@1471 3676 static char *old_headers(uw_context ctx) {
adam@1471 3677 if (uw_buffer_used(&ctx->outHeaders) == 0)
adam@1471 3678 return NULL;
adam@1471 3679 else {
adam@1471 3680 char *s = strchr(ctx->outHeaders.start, '\n');
adam@1471 3681
adam@1471 3682 if (s == NULL || strncasecmp(s+1, "Content-type: ", 14))
adam@1471 3683 return NULL;
adam@1471 3684 else {
adam@1471 3685 s = strchr(s+15, '\n');
adam@1471 3686 if (s == NULL)
adam@1471 3687 return NULL;
adam@1471 3688 else
adam@1471 3689 return uw_strdup(ctx, s+1);
adam@1471 3690 }
adam@1471 3691 }
adam@1471 3692 }
adam@1471 3693
adamc@741 3694 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 3695 cleanup *cl;
adamc@741 3696 int len;
adam@1471 3697 char *oldh;
adamc@741 3698
adam@1451 3699 if (!ctx->allowed_to_return_indirectly)
adam@1451 3700 uw_error(ctx, FATAL, "Tried to return a blob from an RPC");
adam@1451 3701
adamc@1065 3702 ctx->returning_indirectly = 1;
adam@1471 3703 oldh = old_headers(ctx);
adam@1369 3704 uw_buffer_reset(&ctx->outHeaders);
adam@1369 3705 uw_buffer_reset(&ctx->page);
adamc@741 3706
adamc@856 3707 uw_write_header(ctx, on_success);
adamc@856 3708 uw_write_header(ctx, "Content-Type: ");
adamc@741 3709 uw_write_header(ctx, mimeType);
adamc@741 3710 uw_write_header(ctx, "\r\nContent-Length: ");
adam@1369 3711 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134 3712 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741 3713 ctx->outHeaders.front += len;
adamc@1066 3714 uw_write_header(ctx, "\r\n");
adam@1471 3715 if (oldh) uw_write_header(ctx, oldh);
adamc@741 3716
adam@1369 3717 ctx_uw_buffer_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741 3718
adamc@741 3719 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 3720 cl->func(cl->arg);
adamc@741 3721
adamc@741 3722 ctx->cleanup_front = ctx->cleanup;
adamc@741 3723
adamc@1065 3724 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065 3725 }
adamc@1065 3726
adamc@1065 3727 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065 3728 cleanup *cl;
adamc@1066 3729 char *s;
adam@1471 3730 char *oldh;
adamc@1065 3731
adam@1451 3732 if (!ctx->allowed_to_return_indirectly)
adam@1451 3733 uw_error(ctx, FATAL, "Tried to redirect from an RPC");
adam@1451 3734
adamc@1065 3735 ctx->returning_indirectly = 1;
adam@1471 3736 oldh = old_headers(ctx);
adam@1369 3737 uw_buffer_reset(&ctx->page);
adam@1369 3738 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->outHeaders)+1);
adam@1369 3739 memcpy(ctx->page.start, ctx->outHeaders.start, uw_buffer_used(&ctx->outHeaders));
adam@1369 3740 ctx->page.start[uw_buffer_used(&ctx->outHeaders)] = 0;
adam@1369 3741 uw_buffer_reset(&ctx->outHeaders);
adamc@1065 3742
adam@1409 3743 if (on_success[0])
adam@1409 3744 uw_write_header(ctx, on_redirect);
adam@1409 3745 else
adam@1409 3746 uw_write_header(ctx, "Status: 303 See Other\r\n");
adam@1409 3747 s = on_success[0] ? strchr(ctx->page.start, '\n') : ctx->page.start;
adamc@1066 3748 if (s) {
adamc@1066 3749 char *s2;
adam@1409 3750 if (s[0] == '\n') ++s;
adam@1409 3751 for (; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066 3752 *s2 = 0;
adamc@1066 3753 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066 3754 uw_write_header(ctx, s);
adamc@1066 3755 uw_write_header(ctx, "\n");
adamc@1066 3756 }
adamc@1066 3757 }
adamc@1066 3758 }
adamc@1066 3759
adamc@1065 3760 uw_write_header(ctx, "Location: ");
adamc@1065 3761 uw_write_header(ctx, url);
adamc@1065 3762 uw_write_header(ctx, "\r\n\r\n");
adam@1471 3763 if (oldh) uw_write_header(ctx, oldh);
adamc@1065 3764
adamc@1065 3765 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065 3766 cl->func(cl->arg);
adamc@1065 3767
adamc@1065 3768 ctx->cleanup_front = ctx->cleanup;
adamc@1065 3769
adamc@1065 3770 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741 3771 }
adamc@874 3772
adamc@874 3773 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adam@1467 3774 uw_Basis_string ret = uw_malloc(ctx, strlen(s) + 1), r = ret;
adamc@874 3775
adamc@874 3776 for (; *s; ++s) {
adamc@874 3777 if (s[0] == '\'') {
adamc@874 3778 *r++ = '\'';
adamc@874 3779 for (++s; *s; ++s) {
adamc@874 3780 if (s[0] == '\'') {
adamc@874 3781 *r++ = '\'';
adamc@874 3782 break;
adamc@874 3783 } else if (s[0] == '\\') {
adam@1467 3784 *r++ = '\\';
adam@1467 3785 *r++ = s[1];
adam@1467 3786 ++s;
adamc@874 3787 } else
adamc@874 3788 *r++ = s[0];
adamc@874 3789 }
adamc@874 3790 if (*s == 0) break;
adam@1467 3791 } else if (s[0] == 'T' && s[1] == '_' && s[2] == 'T' && s[3] == '.')
adam@1467 3792 s += 3;
adamc@874 3793 else
adamc@874 3794 *r++ = s[0];
adamc@874 3795 }
adamc@874 3796
adam@1467 3797 *r = 0;
adam@1467 3798 return ret;
adamc@874 3799 }
adamc@874 3800
adamc@922 3801 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922 3802 va_list ap;
adamc@922 3803 size_t len = 1;
adamc@922 3804 char *s, *r, *s2;
adamc@922 3805
adamc@922 3806 va_start(ap, ctx);
adamc@922 3807 for (s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3808 len += strlen(s);
adamc@922 3809 va_end(ap);
adamc@922 3810
adamc@922 3811 r = uw_malloc(ctx, len);
adamc@922 3812 va_start(ap, ctx);
adamc@922 3813 for (s2 = r, s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3814 while (*s)
adamc@922 3815 *s2++ = *s++;
adamc@922 3816 va_end(ap);
adamc@922 3817 *s2 = 0;
adamc@922 3818
adamc@922 3819 return r;
adamc@922 3820 }
adamc@1006 3821
adam@1365 3822 const uw_Basis_time uw_Basis_minTime = {};
adamc@1050 3823
adamc@1006 3824 uw_Basis_time uw_Basis_now(uw_context ctx) {
adam@1365 3825 uw_Basis_time r = { time(NULL) };
adam@1365 3826 return r;
adamc@1006 3827 }
adamc@1061 3828
adam@1369 3829 uw_Basis_time uw_Basis_addSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adam@1369 3830 tm.seconds += n;
adam@1365 3831 return tm;
adamc@1138 3832 }
adamc@1138 3833
adam@1514 3834 uw_Basis_int uw_Basis_diffInSeconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1514 3835 return difftime(tm2.seconds, tm1.seconds);
adam@1514 3836 }
adam@1514 3837
adam@1685 3838 uw_Basis_int uw_Basis_toMilliseconds(uw_context ctx, uw_Basis_time tm) {
adam@1685 3839 return tm.seconds * 1000 + tm.microseconds / 1000;
adam@1685 3840 }
adam@1685 3841
adam@1685 3842 uw_Basis_int uw_Basis_diffInMilliseconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1685 3843 return uw_Basis_toMilliseconds(ctx, tm2) - uw_Basis_toMilliseconds(ctx, tm1);
adam@1685 3844 }
adam@1685 3845
adam@1514 3846 uw_Basis_int uw_Basis_toSeconds(uw_context ctx, uw_Basis_time tm) {
adam@1514 3847 return tm.seconds;
adam@1514 3848 }
adam@1514 3849
adamc@1061 3850 void *uw_get_global(uw_context ctx, char *name) {
adamc@1061 3851 int i;
adamc@1061 3852
adamc@1061 3853 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3854 if (!strcmp(name, ctx->globals[i].name))
adamc@1061 3855 return ctx->globals[i].data;
adamc@1061 3856
adamc@1061 3857 return NULL;
adamc@1061 3858 }
adamc@1061 3859
adamc@1113 3860 size_t uw_globals_max = SIZE_MAX;
adamc@1113 3861
adamc@1061 3862 void uw_set_global(uw_context ctx, char *name, void *data, void (*free)(void*)) {
adamc@1061 3863 int i;
adamc@1061 3864
adamc@1061 3865 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3866 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089 3867 if (ctx->globals[i].free)
adamc@1061 3868 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061 3869 ctx->globals[i].data = data;
adamc@1061 3870 ctx->globals[i].free = free;
adamc@1061 3871 return;
adamc@1061 3872 }
adamc@1089 3873
adamc@1113 3874 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113 3875 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113 3876
adamc@1061 3877 ++ctx->n_globals;
adamc@1061 3878 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061 3879 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061 3880 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061 3881 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061 3882 }
adamc@1061 3883
adamc@1061 3884 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153 3885 return !!isalnum((int)c);
adamc@1061 3886 }
adamc@1061 3887
adamc@1061 3888 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153 3889 return !!isalpha((int)c);
adamc@1061 3890 }
adamc@1061 3891
adamc@1061 3892 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153 3893 return !!isblank((int)c);
adamc@1061 3894 }
adamc@1061 3895
adamc@1061 3896 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153 3897 return !!iscntrl((int)c);
adamc@1061 3898 }
adamc@1061 3899
adamc@1061 3900 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3901 return !!isdigit((int)c);
adamc@1061 3902 }
adamc@1061 3903
adamc@1061 3904 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153 3905 return !!isgraph((int)c);
adamc@1061 3906 }
adamc@1061 3907
adamc@1061 3908 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3909 return !!islower((int)c);
adamc@1061 3910 }
adamc@1061 3911
adamc@1061 3912 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153 3913 return !!isprint((int)c);
adamc@1061 3914 }
adamc@1061 3915
adamc@1061 3916 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153 3917 return !!ispunct((int)c);
adamc@1061 3918 }
adamc@1061 3919
adamc@1061 3920 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153 3921 return !!isspace((int)c);
adamc@1061 3922 }
adamc@1063 3923
adamc@1061 3924 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3925 return !!isupper((int)c);
adamc@1061 3926 }
adamc@1061 3927
adamc@1061 3928 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3929 return !!isxdigit((int)c);
adamc@1061 3930 }
adamc@1061 3931
adamc@1061 3932 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3933 return tolower((int)c);
adamc@1061 3934 }
adamc@1061 3935
adamc@1061 3936 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3937 return toupper((int)c);
adamc@1061 3938 }
adamc@1066 3939
adamc@1128 3940 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128 3941 return (unsigned char)c;
adamc@1128 3942 }
adamc@1128 3943
adamc@1128 3944 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128 3945 return n;
adamc@1128 3946 }
adamc@1128 3947
adamc@1066 3948 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066 3949 return ctx->current_url;
adamc@1066 3950 }
adamc@1066 3951
adamc@1066 3952 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066 3953 ctx->current_url = s;
adamc@1066 3954 }
adamc@1114 3955
adamc@1114 3956 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114 3957 ctx->deadline = n;
adamc@1114 3958 }
adamc@1114 3959
adamc@1114 3960 void uw_check_deadline(uw_context ctx) {
adamc@1114 3961 if (uw_time > ctx->deadline)
adamc@1114 3962 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114 3963 }
adamc@1115 3964
adamc@1115 3965 size_t uw_database_max = SIZE_MAX;
adamc@1120 3966
adam@1389 3967 uw_Basis_int uw_Basis_naughtyDebug(uw_context ctx, uw_Basis_string s) {
adam@1389 3968 fprintf(stderr, "%s\n", s);
adam@1389 3969 return 0;
adam@1389 3970 }
adam@1389 3971
adamc@1120 3972 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
adam@1334 3973 if (ctx->log_debug)
adam@1334 3974 ctx->log_debug(ctx->logger_data, "%s\n", s);
adam@1334 3975 else
adam@1334 3976 fprintf(stderr, "%s\n", s);
adamc@1120 3977 return uw_unit_v;
adamc@1120 3978 }
adamc@1250 3979
adamc@1250 3980 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adam@1486 3981 uw_Basis_int ret;
adam@1486 3982 int r = RAND_bytes((unsigned char *)&ret, sizeof ret);
adam@1486 3983
adam@1486 3984 if (r)
adam@1486 3985 return abs(ret);
adam@1486 3986 else
adam@1486 3987 uw_error(ctx, FATAL, "Random number generation failed");
adamc@1250 3988 }
adam@1347 3989
adam@1347 3990 void uw_noPostBody(uw_context ctx) {
adam@1347 3991 ctx->hasPostBody = 0;
adam@1347 3992 }
adam@1347 3993
adam@1347 3994 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3995 ctx->hasPostBody = 1;
adam@1347 3996 ctx->postBody = pb;
adam@1347 3997 }
adam@1347 3998
adam@1347 3999 int uw_hasPostBody(uw_context ctx) {
adam@1347 4000 return ctx->hasPostBody;
adam@1347 4001 }
adam@1347 4002
adam@1386 4003 void uw_isPost(uw_context ctx) {
adam@1386 4004 ctx->isPost = 1;
adam@1386 4005 }
adam@1386 4006
adam@1386 4007 uw_Basis_bool uw_Basis_currentUrlHasPost(uw_context ctx) {
adam@1386 4008 return ctx->isPost;
adam@1386 4009 }
adam@1386 4010
adam@1485 4011 uw_Basis_bool uw_Basis_currentUrlHasQueryString(uw_context ctx) {
adam@1485 4012 return ctx->queryString != NULL && ctx->queryString[0] != 0;
adam@1485 4013 }
adam@1485 4014
adam@1370 4015 void uw_setQueryString(uw_context ctx, uw_Basis_string s) {
adam@1370 4016 ctx->queryString = s;
adam@1370 4017 }
adam@1370 4018
adam@1370 4019 uw_Basis_string uw_queryString(uw_context ctx) {
adam@1370 4020 return ctx->queryString;
adam@1370 4021 }
adam@1370 4022
adam@1347 4023 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347 4024 if (ctx->hasPostBody)
adam@1347 4025 return ctx->postBody;
adam@1347 4026 else
adam@1347 4027 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347 4028 }
adam@1349 4029
adam@1349 4030 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349 4031 int r = setjmp(ctx->jmp_buf);
adam@1349 4032
adam@1349 4033 if (r == 0) {
adam@1418 4034 if (ctx->app->db_begin(ctx))
adam@1418 4035 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1418 4036
adam@1349 4037 callback(ctx);
adam@1349 4038 }
adam@1349 4039
adam@1349 4040 return r;
adam@1349 4041 }
adam@1360 4042
adam@1360 4043 uw_Basis_string uw_Basis_crypt(uw_context ctx, uw_Basis_string key, uw_Basis_string salt) {
adam@1397 4044 char buf[14];
adam@1397 4045 return uw_strdup(ctx, DES_fcrypt(key, salt, buf));
adam@1360 4046 }
adam@1365 4047
adam@1365 4048 uw_Basis_bool uw_Basis_eq_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 4049 return !!(t1.seconds == t2.seconds && t1.microseconds == t2.microseconds);
adam@1365 4050 }
adam@1365 4051
adam@1365 4052 uw_Basis_bool uw_Basis_lt_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 4053 return !!(t1.seconds < t2.seconds || t1.microseconds < t2.microseconds);
adam@1365 4054 }
adam@1365 4055
adam@1365 4056 uw_Basis_bool uw_Basis_le_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 4057 return !!(uw_Basis_eq_time(ctx, t1, t2) || uw_Basis_lt_time(ctx, t1, t2));
adam@1365 4058 }
adam@1365 4059
adam@1372 4060 uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374 4061 struct tm stm = {};
adam@1375 4062 char *end = strchr(s, 0);
adam@1449 4063 stm.tm_isdst = -1;
adam@1375 4064
adam@1632 4065 if (strptime(s, TIME_FMT_PG, &stm) == end || strptime(s, TIME_FMT, &stm) == end || strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1373 4066 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1375 4067
kkallio@1448 4068 r->seconds = timegm(&stm);
adam@1373 4069 r->microseconds = 0;
adam@1373 4070
adam@1373 4071 return r;
adam@1374 4072 }
adam@1374 4073 else
adam@1373 4074 return NULL;
adam@1372 4075 }
adam@1407 4076
adam@1407 4077 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1407 4078 int r = setjmp(ctx->jmp_buf);
adam@1407 4079
adam@1407 4080 if (ctx->app->on_error) {
adam@1407 4081 if (r == 0) {
adam@1407 4082 if (ctx->app->db_begin(ctx))
adam@1407 4083 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1407 4084
adam@1409 4085 uw_buffer_reset(&ctx->outHeaders);
adam@1409 4086 if (on_success[0])
adam@1409 4087 uw_write_header(ctx, "HTTP/1.1 ");
adam@1409 4088 else
adam@1409 4089 uw_write_header(ctx, "Status: ");
adam@1409 4090 uw_write_header(ctx, "500 Internal Server Error\r\n");
adam@1407 4091 uw_write_header(ctx, "Content-type: text/html\r\n\r\n");
adam@1407 4092 uw_write(ctx, begin_xhtml);
adam@1407 4093 ctx->app->on_error(ctx, msg);
adam@1407 4094 uw_write(ctx, "</html>");
adam@1407 4095 }
adam@1407 4096
adam@1407 4097 return r;
adam@1407 4098 } else
adam@1407 4099 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1407 4100 }
adam@1451 4101
adam@1451 4102 void uw_mayReturnIndirectly(uw_context ctx) {
adam@1451 4103 ctx->allowed_to_return_indirectly = 1;
adam@1451 4104 }
adam@1483 4105
adam@1483 4106 void uw_cutErrorLocation(char *s) {
adam@1483 4107 char *s2;
adam@1483 4108
adam@1483 4109 s2 = strstr(s, ": ");
adam@1483 4110 if (s2 == NULL || strcspn(s, "<&") < s2 - s)
adam@1483 4111 return;
adam@1483 4112
adam@1483 4113 memmove(s, s2+2, strlen(s2+2)+1);
adam@1483 4114 }
adam@1556 4115
adam@1556 4116 uw_Basis_string uw_Basis_fresh(uw_context ctx) {
adam@1703 4117 int len;
adam@1703 4118 char *r;
adam@1703 4119
adam@1703 4120 uw_check_heap(ctx, 2+INTS_MAX);
adam@1703 4121 r = ctx->heap.front;
adam@1703 4122 sprintf(r, "uw%u%n", ctx->nextId++, &len);
adam@1703 4123 ctx->heap.front += len+1;
adam@1703 4124 return r;
adam@1556 4125 }
adam@1571 4126
adam@1571 4127 uw_Basis_float uw_Basis_floatFromInt(uw_context ctx, uw_Basis_int n) {
adam@1571 4128 return n;
adam@1571 4129 }
adam@1571 4130
adam@1571 4131 uw_Basis_int uw_Basis_ceil(uw_context ctx, uw_Basis_float n) {
adam@1571 4132 return ceil(n);
adam@1571 4133 }
adam@1571 4134
adam@1571 4135 uw_Basis_int uw_Basis_trunc(uw_context ctx, uw_Basis_float n) {
adam@1571 4136 return trunc(n);
adam@1571 4137 }
adam@1571 4138
adam@1571 4139 uw_Basis_int uw_Basis_round(uw_context ctx, uw_Basis_float n) {
adam@1571 4140 return round(n);
adam@1571 4141 }
adam@1755 4142
adam@1755 4143 uw_Basis_string uw_Basis_atom(uw_context ctx, uw_Basis_string s) {
adam@1755 4144 char *p;
adam@1755 4145
adam@1755 4146 for (p = s; *p; ++p) {
adam@1755 4147 char c = *p;
adam@1801 4148 if (!isalnum((int)c) && c != '+' && c != '-' && c != '.' && c != '%' && c != '#')
adam@1755 4149 uw_error(ctx, FATAL, "Disallowed character in CSS atom");
adam@1755 4150 }
adam@1755 4151
adam@1755 4152 return s;
adam@1755 4153 }
adam@1755 4154
adam@1755 4155 uw_Basis_string uw_Basis_css_url(uw_context ctx, uw_Basis_string s) {
adam@1755 4156 char *p;
adam@1755 4157
adam@1755 4158 for (p = s; *p; ++p) {
adam@1755 4159 char c = *p;
adam@1801 4160 if (!isalnum((int)c) && c != ':' && c != '/' && c != '.' && c != '_' && c != '+'
adam@1755 4161 && c != '-' && c != '%' && c != '?' && c != '&' && c != '=' && c != '#')
adam@1755 4162 uw_error(ctx, FATAL, "Disallowed character in CSS URL");
adam@1755 4163 }
adam@1755 4164
adam@1755 4165 return s;
adam@1755 4166 }
adam@1755 4167
adam@1755 4168 uw_Basis_string uw_Basis_property(uw_context ctx, uw_Basis_string s) {
adam@1755 4169 char *p;
adam@1755 4170
adam@1755 4171 if (!*s)
adam@1755 4172 uw_error(ctx, FATAL, "Empty CSS property");
adam@1755 4173
adam@1801 4174 if (!islower((int)s[0]) && s[0] != '_')
adam@1755 4175 uw_error(ctx, FATAL, "Bad initial character in CSS property");
adam@1755 4176
adam@1755 4177 for (p = s; *p; ++p) {
adam@1755 4178 char c = *p;
adam@1801 4179 if (!islower((int)c) && !isdigit((int)c) && c != '_' && c != '-')
adam@1755 4180 uw_error(ctx, FATAL, "Disallowed character in CSS property");
adam@1755 4181 }
adam@1755 4182
adam@1755 4183 return s;
adam@1755 4184 }
adam@1787 4185
adam@1787 4186 uw_Basis_string uw_Basis_fieldName(uw_context ctx, uw_Basis_postField f) {
adam@1787 4187 return f.name;
adam@1787 4188 }
adam@1787 4189
adam@1787 4190 uw_Basis_string uw_Basis_fieldValue(uw_context ctx, uw_Basis_postField f) {
adam@1787 4191 return f.value;
adam@1787 4192 }
adam@1787 4193
adam@1787 4194 uw_Basis_string uw_Basis_remainingFields(uw_context ctx, uw_Basis_postField f) {
adam@1787 4195 return f.remaining;
adam@1787 4196 }
adam@1787 4197
adam@1787 4198 uw_Basis_postField *uw_Basis_firstFormField(uw_context ctx, uw_Basis_string s) {
adam@1788 4199 char *unurl;
adam@1787 4200 uw_Basis_postField *f;
adam@1787 4201
adam@1788 4202 if (!ctx->hasPostBody)
adam@1788 4203 uw_error(ctx, FATAL, "firstFormField called when there is no POST body");
adam@1788 4204
adam@1788 4205 if (s < ctx->postBody.data || s >= ctx->postBody.data + ctx->postBody.len)
adam@1787 4206 return NULL;
adam@1787 4207
adam@1787 4208 f = uw_malloc(ctx, sizeof(uw_Basis_postField));
adam@1788 4209 unurl = s;
adam@1787 4210 f->name = uw_Basis_unurlifyString(ctx, &unurl);
adam@1788 4211 s = strchr(s, 0);
adam@1788 4212 if (!s)
adam@1788 4213 uw_error(ctx, FATAL, "firstFormField: Missing null terminator");
adam@1788 4214 ++s;
adam@1788 4215 unurl = s;
adam@1788 4216 f->value = uw_Basis_unurlifyString(ctx, &unurl);
adam@1788 4217 s = strchr(s, 0);
adam@1788 4218 if (!s)
adam@1788 4219 uw_error(ctx, FATAL, "firstFormField: Missing null terminator");
adam@1788 4220 f->remaining = s+1;
adam@1787 4221
adam@1787 4222 return f;
adam@1787 4223 }