annotate src/c/urweb.c @ 1447:17393c5e2b90

Send newly created sources with messages to clients
author Adam Chlipala <adam@chlipala.net>
date Sat, 09 Apr 2011 20:00:52 -0400
parents 36f7d1debb37
children 37599e85bba8
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@1374 17 #include <time.h>
adamc@102 18
adamc@667 19 #include <pthread.h>
adamc@667 20
adamc@102 21 #include "types.h"
adamc@102 22
adam@1431 23 uw_unit uw_unit_v = 0;
adamc@102 24
adamc@667 25
adamc@667 26 // Socket extras
adamc@667 27
adamc@863 28 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667 29 while (len > 0) {
adamc@856 30 ssize_t n = send(sock, buf, len, 0);
adamc@856 31
adamc@856 32 if (n < 0)
adamc@856 33 return n;
adamc@856 34
adamc@856 35 buf += n;
adamc@856 36 len -= n;
adamc@856 37 }
adamc@856 38
adamc@856 39 return 0;
adamc@856 40 }
adamc@856 41
adamc@856 42 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856 43 while (len > 0) {
adamc@856 44 ssize_t n = write(fd, buf, len);
adamc@667 45
adamc@667 46 if (n < 0)
adamc@667 47 return n;
adamc@667 48
adamc@667 49 buf += n;
adamc@667 50 len -= n;
adamc@667 51 }
adamc@667 52
adamc@667 53 return 0;
adamc@667 54 }
adamc@667 55
adamc@667 56
adamc@667 57 // Buffers
adamc@667 58
adam@1369 59 void uw_buffer_init(size_t max, uw_buffer *b, size_t s) {
adamc@1113 60 b->max = max;
adamc@667 61 b->front = b->start = malloc(s);
adamc@667 62 b->back = b->front + s;
adamc@667 63 }
adamc@667 64
adam@1369 65 void uw_buffer_free(uw_buffer *b) {
adamc@667 66 free(b->start);
adamc@667 67 }
adamc@667 68
adam@1369 69 void uw_buffer_reset(uw_buffer *b) {
adamc@667 70 b->front = b->start;
adamc@667 71 }
adamc@667 72
adam@1369 73 int uw_buffer_check(uw_buffer *b, size_t extra) {
adamc@667 74 if (b->back - b->front < extra) {
adamc@667 75 size_t desired = b->front - b->start + extra, next;
adamc@667 76 char *new_heap;
adamc@667 77
adamc@667 78 next = b->back - b->start;
adamc@667 79 if (next == 0)
adamc@667 80 next = 1;
adamc@667 81 for (; next < desired; next *= 2);
adamc@667 82
adamc@1134 83 if (next > b->max) {
adamc@1113 84 if (desired <= b->max)
adamc@1113 85 next = desired;
adamc@1113 86 else
adamc@1113 87 return 1;
adamc@1134 88 }
adamc@1113 89
adamc@667 90 new_heap = realloc(b->start, next);
adamc@667 91 b->front = new_heap + (b->front - b->start);
adamc@667 92 b->back = new_heap + next;
adamc@667 93 b->start = new_heap;
adamc@667 94 }
adamc@1113 95
adamc@1113 96 return 0;
adamc@1113 97 }
adamc@1113 98
adamc@1113 99 __attribute__((noreturn)) void uw_error(uw_context, failure_kind, const char *, ...);
adamc@1113 100
adam@1369 101 static void ctx_uw_buffer_check(uw_context ctx, const char *kind, uw_buffer *b, size_t extra) {
adam@1369 102 if (uw_buffer_check(b, extra))
adamc@1113 103 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@667 104 }
adamc@667 105
adam@1369 106 size_t uw_buffer_used(uw_buffer *b) {
adamc@667 107 return b->front - b->start;
adamc@667 108 }
adamc@667 109
adam@1369 110 size_t uw_buffer_avail(uw_buffer *b) {
adamc@667 111 return b->back - b->start;
adamc@667 112 }
adamc@667 113
adam@1369 114 int uw_buffer_append(uw_buffer *b, const char *s, size_t len) {
adam@1369 115 if (uw_buffer_check(b, len+1))
adamc@1113 116 return 1;
adamc@1113 117
adamc@1113 118 memcpy(b->front, s, len);
adamc@1113 119 b->front += len;
adamc@1113 120 *b->front = 0;
adamc@1113 121
adamc@1113 122 return 0;
adamc@1113 123 }
adamc@1113 124
adam@1369 125 static void ctx_uw_buffer_append(uw_context ctx, const char *kind, uw_buffer *b, const char *s, size_t len) {
adam@1369 126 ctx_uw_buffer_check(ctx, kind, b, len+1);
adamc@1113 127
adamc@668 128 memcpy(b->front, s, len);
adamc@668 129 b->front += len;
adamc@672 130 *b->front = 0;
adamc@668 131 }
adamc@667 132
adamc@668 133
adamc@672 134 // Persistent state types
adamc@667 135
adamc@667 136 typedef enum { UNUSED, USED } usage;
adamc@667 137
adamc@667 138 typedef struct client {
adamc@682 139 unsigned id;
adamc@667 140 usage mode;
adamc@682 141 int pass;
adamc@682 142 struct client *next;
adamc@689 143 pthread_mutex_t lock, pull_lock;
adam@1369 144 uw_buffer msgs;
adamc@682 145 int sock;
adamc@863 146 int (*send)(int sockfd, const void *buf, ssize_t len);
adamc@863 147 int (*close)(int fd);
adamc@682 148 time_t last_contact;
adamc@682 149 unsigned n_channels;
adamc@685 150 unsigned refcount;
adamc@1121 151 void *data;
adamc@667 152 } client;
adamc@667 153
adamc@672 154
adamc@672 155 // Persistent client state
adamc@672 156
adamc@682 157 static client **clients, *clients_free, *clients_used;
adamc@682 158 static unsigned n_clients;
adamc@667 159
adamc@667 160 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@667 161
adamc@1113 162 size_t uw_messages_max = SIZE_MAX;
adamc@1113 163 size_t uw_clients_max = SIZE_MAX;
adamc@1113 164
adamc@1121 165 void *uw_init_client_data();
adamc@1121 166 void uw_free_client_data(void *);
adamc@1121 167 void uw_copy_client_data(void *dst, void *src);
adamc@1121 168
adamc@682 169 static client *new_client() {
adamc@667 170 client *c;
adamc@667 171
adamc@667 172 pthread_mutex_lock(&clients_mutex);
adamc@667 173
adamc@667 174 if (clients_free) {
adamc@667 175 c = clients_free;
adamc@682 176 clients_free = clients_free->next;
adamc@667 177 }
adamc@1113 178 else if (n_clients >= uw_clients_max)
adamc@1113 179 return NULL;
adamc@667 180 else {
adamc@667 181 ++n_clients;
adamc@667 182 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667 183 c = malloc(sizeof(client));
adamc@667 184 c->id = n_clients-1;
adamc@682 185 pthread_mutex_init(&c->lock, NULL);
adamc@689 186 pthread_mutex_init(&c->pull_lock, NULL);
adam@1369 187 uw_buffer_init(uw_messages_max, &c->msgs, 0);
adamc@667 188 clients[n_clients-1] = c;
adamc@667 189 }
adamc@667 190
adamc@682 191 pthread_mutex_lock(&c->lock);
adamc@667 192 c->mode = USED;
adamc@682 193 c->pass = rand();
adamc@682 194 c->sock = -1;
adamc@682 195 c->last_contact = time(NULL);
adam@1369 196 uw_buffer_reset(&c->msgs);
adamc@682 197 c->n_channels = 0;
adamc@685 198 c->refcount = 0;
adamc@1121 199 c->data = uw_init_client_data();
adamc@682 200 pthread_mutex_unlock(&c->lock);
adamc@682 201
adamc@682 202 c->next = clients_used;
adamc@682 203 clients_used = c;
adamc@667 204
adamc@667 205 pthread_mutex_unlock(&clients_mutex);
adamc@667 206
adamc@667 207 return c;
adamc@667 208 }
adamc@667 209
adamc@685 210 static void use_client(client *c) {
adamc@685 211 pthread_mutex_lock(&c->lock);
adamc@685 212 ++c->refcount;
adamc@685 213 pthread_mutex_unlock(&c->lock);
adamc@689 214 pthread_mutex_lock(&c->pull_lock);
adamc@685 215 }
adamc@685 216
adamc@685 217 static void release_client(client *c) {
adamc@689 218 pthread_mutex_unlock(&c->pull_lock);
adamc@685 219 pthread_mutex_lock(&c->lock);
adamc@685 220 --c->refcount;
adamc@685 221 pthread_mutex_unlock(&c->lock);
adamc@689 222
adamc@685 223 }
adamc@685 224
adamc@856 225 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adamc@667 226
adamc@682 227 static client *find_client(unsigned id) {
adamc@667 228 client *c;
adamc@667 229
adamc@667 230 pthread_mutex_lock(&clients_mutex);
adamc@667 231
adamc@667 232 if (id >= n_clients) {
adamc@667 233 pthread_mutex_unlock(&clients_mutex);
adamc@668 234 return NULL;
adamc@667 235 }
adamc@667 236
adamc@667 237 c = clients[id];
adamc@667 238
adamc@668 239 pthread_mutex_unlock(&clients_mutex);
adamc@668 240 return c;
adamc@668 241 }
adamc@668 242
adamc@856 243 static char *on_success = "HTTP/1.1 200 OK\r\n";
adam@1409 244 static char *on_redirect = "HTTP/1.1 303 See Other\r\n";
adamc@856 245
adamc@856 246 void uw_set_on_success(char *s) {
adamc@856 247 on_success = s;
adamc@856 248 }
adamc@856 249
adamc@863 250 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863 251 int (*send)(int sockfd, const void *buf, ssize_t len),
adamc@864 252 int (*close)(int fd),
adamc@864 253 void *logger_data, uw_logger log_error) {
adamc@682 254 client *c = find_client(id);
adamc@668 255
adamc@668 256 if (c == NULL) {
adamc@667 257 close(sock);
adamc@864 258 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667 259 return;
adamc@667 260 }
adamc@667 261
adamc@682 262 pthread_mutex_lock(&c->lock);
adamc@671 263
adamc@682 264 if (c->mode != USED) {
adamc@682 265 pthread_mutex_unlock(&c->lock);
adamc@667 266 close(sock);
adamc@864 267 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667 268 return;
adamc@667 269 }
adamc@667 270
adamc@682 271 if (pass != c->pass) {
adamc@682 272 pthread_mutex_unlock(&c->lock);
adamc@682 273 close(sock);
adamc@864 274 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682 275 return;
adamc@667 276 }
adamc@667 277
adamc@682 278 if (c->sock != -1) {
adamc@863 279 c->close(c->sock);
adamc@682 280 c->sock = -1;
adamc@682 281 }
adamc@667 282
adamc@682 283 c->last_contact = time(NULL);
adamc@682 284
adam@1369 285 if (uw_buffer_used(&c->msgs) > 0) {
adamc@863 286 send(sock, on_success, strlen(on_success));
adamc@863 287 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1369 288 send(sock, c->msgs.start, uw_buffer_used(&c->msgs));
adam@1369 289 uw_buffer_reset(&c->msgs);
adamc@667 290 close(sock);
adamc@667 291 }
adamc@863 292 else {
adamc@682 293 c->sock = sock;
adamc@863 294 c->send = send;
adamc@863 295 c->close = close;
adamc@863 296 }
adamc@667 297
adamc@682 298 pthread_mutex_unlock(&c->lock);
adamc@667 299 }
adamc@667 300
adamc@682 301 static void free_client(client *c) {
adamc@682 302 c->mode = UNUSED;
adamc@682 303 c->pass = -1;
adamc@667 304
adamc@682 305 c->next = clients_free;
adamc@682 306 clients_free = c;
adamc@667 307 }
adamc@667 308
adamc@682 309 static uw_Basis_channel new_channel(client *c) {
adamc@682 310 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668 311 return ch;
adamc@668 312 }
adamc@668 313
adam@1447 314 static void client_send(client *c, uw_buffer *msg, const char *script, int script_len) {
adamc@685 315 pthread_mutex_lock(&c->lock);
adamc@671 316
adamc@682 317 if (c->sock != -1) {
adamc@863 318 c->send(c->sock, on_success, strlen(on_success));
adamc@863 319 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1447 320 if (script_len > 0) {
adam@1447 321 c->send(c->sock, "E\n", 2);
adam@1447 322 c->send(c->sock, script, script_len);
adam@1447 323 c->send(c->sock, "\n", 1);
adam@1447 324 }
adam@1369 325 c->send(c->sock, msg->start, uw_buffer_used(msg));
adamc@863 326 c->close(c->sock);
adamc@682 327 c->sock = -1;
adam@1447 328 } else if ((script_len > 0
adam@1447 329 && (c->send(c->sock, "E\n", 2)
adam@1447 330 || c->send(c->sock, script, script_len)
adam@1447 331 || c->send(c->sock, "\n", 1)))
adam@1447 332 || uw_buffer_append(&c->msgs, msg->start, uw_buffer_used(msg)))
adamc@1113 333 fprintf(stderr, "Client message buffer size exceeded");
adamc@671 334
adamc@685 335 pthread_mutex_unlock(&c->lock);
adamc@668 336 }
adamc@668 337
adamc@668 338
adamc@668 339 // Global entry points
adamc@668 340
adamc@1164 341 extern void uw_global_custom();
adamc@1104 342 extern void uw_init_crypto();
adamc@1104 343
adamc@668 344 void uw_global_init() {
adamc@668 345 srand(time(NULL) ^ getpid());
adamc@668 346
adamc@668 347 clients = malloc(0);
adamc@1104 348
adamc@1164 349 uw_global_custom();
adamc@1104 350 uw_init_crypto();
adamc@1094 351 }
adamc@1094 352
adamc@1094 353 void uw_app_init(uw_app *app) {
adamc@1094 354 app->client_init();
adamc@668 355 }
adamc@668 356
adam@1332 357 int uw_time = 0, uw_time_max = 0, uw_min_heap = 0;
adamc@1114 358
adamc@668 359
adamc@667 360 // Single-request state
adamc@667 361
adamc@323 362 typedef struct regions {
adamc@323 363 struct regions *next;
adamc@323 364 } regions;
adamc@323 365
adamc@425 366 typedef struct {
adamc@425 367 void (*func)(void*);
adamc@425 368 void *arg;
adamc@425 369 } cleanup;
adamc@425 370
adamc@671 371 typedef struct {
adamc@682 372 unsigned client;
adam@1369 373 uw_buffer msgs;
adamc@682 374 } delta;
adamc@671 375
adamc@737 376 typedef enum {
adamc@759 377 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737 378 } input_kind;
adamc@737 379
adamc@756 380 typedef struct input {
adamc@737 381 input_kind kind;
adamc@737 382 union {
adamc@737 383 char *normal;
adamc@739 384 uw_Basis_file file;
adamc@756 385 struct {
adamc@759 386 struct input *fields, *parent;
adamc@756 387 } subform;
adamc@759 388 struct {
adamc@759 389 struct input *entries, *parent;
adamc@759 390 } subforms;
adamc@759 391 struct {
adamc@759 392 struct input *fields, *next, *parent;
adamc@759 393 } entry;
adamc@737 394 } data;
adamc@737 395 } input;
adamc@737 396
adamc@771 397 typedef struct {
adamc@771 398 void *data;
adam@1327 399 uw_callback commit, rollback;
adam@1327 400 uw_callback_with_retry free;
adamc@771 401 } transactional;
adamc@771 402
adamc@1061 403 typedef struct {
adamc@1061 404 char *name;
adamc@1061 405 void *data;
adamc@1061 406 void (*free)(void*);
adamc@1061 407 } global;
adamc@1061 408
adamc@311 409 struct uw_context {
adamc@1094 410 uw_app *app;
adam@1446 411 int id;
adamc@1094 412
adamc@854 413 char *(*get_header)(void *, const char *);
adamc@854 414 void *get_header_data;
adamc@457 415
adam@1369 416 uw_buffer outHeaders, page, heap, script;
adamc@1065 417 int returning_indirectly;
adamc@759 418 input *inputs, *subinputs, *cur_container;
adamc@1094 419 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167 420
adam@1446 421 unsigned long long source_count;
adamc@562 422
adamc@272 423 void *db;
adamc@272 424
adamc@167 425 jmp_buf jmp_buf;
adamc@167 426
adamc@323 427 regions *regions;
adamc@323 428
adamc@425 429 cleanup *cleanup, *cleanup_front, *cleanup_back;
adamc@425 430
adamc@1094 431 const char *script_header;
adamc@643 432
adamc@736 433 int needs_push, needs_sig;
adamc@693 434
adamc@682 435 size_t n_deltas, used_deltas;
adamc@682 436 delta *deltas;
adamc@671 437
adamc@682 438 client *client;
adamc@682 439
adamc@771 440 transactional *transactionals;
adamc@771 441 size_t n_transactionals, used_transactionals;
adamc@771 442
adamc@1061 443 global *globals;
adamc@1061 444 size_t n_globals;
adamc@1061 445
adamc@1066 446 char *current_url;
adamc@1066 447
adamc@1114 448 int deadline;
adamc@1114 449
adamc@1121 450 void *client_data;
adamc@1121 451
adam@1334 452 void *logger_data;
adam@1334 453 uw_logger log_debug;
adam@1334 454
adam@1386 455 int isPost, hasPostBody;
adam@1347 456 uw_Basis_postBody postBody;
adam@1370 457 uw_Basis_string queryString;
adam@1347 458
adamc@167 459 char error_message[ERROR_BUF_LEN];
adamc@117 460 };
adamc@117 461
adamc@1113 462 size_t uw_headers_max = SIZE_MAX;
adamc@1113 463 size_t uw_page_max = SIZE_MAX;
adamc@1113 464 size_t uw_heap_max = SIZE_MAX;
adamc@1113 465 size_t uw_script_max = SIZE_MAX;
adamc@1113 466
adam@1446 467 uw_context uw_init(int id, void *logger_data, uw_logger log_debug) {
adamc@311 468 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 469
adamc@1094 470 ctx->app = NULL;
adam@1446 471 ctx->id = id;
adamc@1094 472
adamc@854 473 ctx->get_header = NULL;
adamc@854 474 ctx->get_header_data = NULL;
adamc@457 475
adam@1413 476 uw_buffer_init(uw_headers_max, &ctx->outHeaders, 1);
adam@1413 477 ctx->outHeaders.start[0] = 0;
adam@1413 478 uw_buffer_init(uw_page_max, &ctx->page, 1);
adam@1413 479 ctx->page.start[0] = 0;
adamc@1065 480 ctx->returning_indirectly = 0;
adam@1369 481 uw_buffer_init(uw_heap_max, &ctx->heap, uw_min_heap);
adam@1369 482 uw_buffer_init(uw_script_max, &ctx->script, 1);
adamc@667 483 ctx->script.start[0] = 0;
adamc@136 484
adamc@1094 485 ctx->inputs = malloc(0);
adamc@759 486 ctx->cur_container = NULL;
adamc@756 487 ctx->subinputs = malloc(0);
adamc@1094 488 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 489
adamc@272 490 ctx->db = NULL;
adamc@272 491
adamc@323 492 ctx->regions = NULL;
adamc@323 493
adamc@425 494 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 495
adamc@643 496 ctx->script_header = "";
adamc@693 497 ctx->needs_push = 0;
adamc@736 498 ctx->needs_sig = 0;
adamc@1104 499
adamc@565 500 ctx->source_count = 0;
adamc@562 501
adamc@682 502 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 503 ctx->deltas = malloc(0);
adamc@671 504
adamc@700 505 ctx->client = NULL;
adamc@700 506
adamc@700 507 ctx->error_message[0] = 0;
adamc@700 508
adamc@771 509 ctx->transactionals = malloc(0);
adamc@771 510 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 511
adamc@1061 512 ctx->globals = malloc(0);
adamc@1061 513 ctx->n_globals = 0;
adamc@1061 514
adamc@1066 515 ctx->current_url = "";
adamc@1066 516
adamc@1114 517 ctx->deadline = INT_MAX;
adamc@1114 518
adamc@1121 519 ctx->client_data = uw_init_client_data();
adamc@1121 520
adam@1334 521 ctx->logger_data = logger_data;
adam@1334 522 ctx->log_debug = log_debug;
adam@1334 523
adam@1386 524 ctx->isPost = ctx->hasPostBody = 0;
adam@1347 525
adam@1370 526 ctx->queryString = NULL;
adam@1370 527
adamc@117 528 return ctx;
adamc@106 529 }
adamc@106 530
adamc@1113 531 size_t uw_inputs_max = SIZE_MAX;
adamc@1113 532
adamc@1121 533 uw_app *uw_get_app(uw_context ctx) {
adamc@1121 534 return ctx->app;
adamc@1121 535 }
adamc@1121 536
adamc@1113 537 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094 538 ctx->app = app;
adamc@1094 539
adamc@1105 540 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113 541 if (app->inputs_len > uw_inputs_max)
adamc@1113 542 return 1;
adamc@1113 543
adamc@1094 544 ctx->sz_inputs = app->inputs_len;
adamc@1094 545 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094 546 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094 547 }
adamc@1134 548
adamc@1134 549 return 0;
adamc@1094 550 }
adamc@1094 551
adamc@1121 552 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121 553 uw_copy_client_data(ctx->client_data, data);
adamc@1121 554 }
adamc@1121 555
adamc@311 556 void uw_set_db(uw_context ctx, void *db) {
adamc@272 557 ctx->db = db;
adamc@272 558 }
adamc@272 559
adamc@311 560 void *uw_get_db(uw_context ctx) {
adamc@272 561 return ctx->db;
adamc@272 562 }
adamc@272 563
adamc@311 564 void uw_free(uw_context ctx) {
adamc@671 565 size_t i;
adamc@671 566
adam@1369 567 uw_buffer_free(&ctx->outHeaders);
adam@1369 568 uw_buffer_free(&ctx->script);
adam@1369 569 uw_buffer_free(&ctx->page);
adam@1369 570 uw_buffer_free(&ctx->heap);
adamc@144 571 free(ctx->inputs);
adamc@756 572 free(ctx->subinputs);
adamc@425 573 free(ctx->cleanup);
adamc@771 574 free(ctx->transactionals);
adamc@1121 575 uw_free_client_data(ctx->client_data);
adamc@671 576
adamc@682 577 for (i = 0; i < ctx->n_deltas; ++i)
adam@1369 578 uw_buffer_free(&ctx->deltas[i].msgs);
marco-oweber@1330 579 free(ctx->deltas);
adamc@671 580
adamc@1061 581 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089 582 if (ctx->globals[i].free)
adamc@1089 583 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330 584 free(ctx->globals);
adamc@1061 585
adamc@136 586 free(ctx);
adamc@136 587 }
adamc@136 588
adamc@562 589 void uw_reset_keep_error_message(uw_context ctx) {
adam@1369 590 uw_buffer_reset(&ctx->outHeaders);
adam@1369 591 uw_buffer_reset(&ctx->script);
adamc@667 592 ctx->script.start[0] = 0;
adam@1369 593 uw_buffer_reset(&ctx->page);
adamc@1065 594 ctx->returning_indirectly = 0;
adam@1369 595 uw_buffer_reset(&ctx->heap);
adamc@323 596 ctx->regions = NULL;
adamc@425 597 ctx->cleanup_front = ctx->cleanup;
adamc@682 598 ctx->used_deltas = 0;
adamc@682 599 ctx->client = NULL;
adamc@759 600 ctx->cur_container = NULL;
adamc@771 601 ctx->used_transactionals = 0;
adamc@1117 602 ctx->script_header = "";
adam@1417 603 ctx->hasPostBody = 0;
adam@1370 604 ctx->queryString = NULL;
adamc@167 605 }
adamc@167 606
adamc@562 607 void uw_reset_keep_request(uw_context ctx) {
adamc@562 608 uw_reset_keep_error_message(ctx);
adamc@562 609 ctx->error_message[0] = 0;
adamc@167 610 }
adamc@167 611
adamc@311 612 void uw_reset(uw_context ctx) {
adamc@311 613 uw_reset_keep_request(ctx);
adamc@1105 614 if (ctx->app)
adamc@1105 615 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756 616 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adamc@756 617 ctx->used_subinputs = 0;
adam@1417 618 ctx->isPost = 0;
adamc@144 619 }
adamc@144 620
adamc@311 621 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 622 int r = setjmp(ctx->jmp_buf);
adamc@272 623
adamc@1105 624 if (r == 0 && ctx->app)
adamc@1094 625 ctx->app->db_init(ctx);
adamc@272 626
adamc@272 627 return r;
adamc@272 628 }
adamc@272 629
adamc@1118 630 void uw_close(uw_context ctx) {
adamc@1118 631 ctx->app->db_close(ctx);
adamc@1118 632 }
adamc@1118 633
adam@1446 634 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adam@1446 635 return ctx->get_header(ctx->get_header_data, h);
adam@1446 636 }
adam@1446 637
adamc@854 638 void uw_set_headers(uw_context ctx, char *(*get_header)(void *, const char *), void *get_header_data) {
adamc@854 639 ctx->get_header = get_header;
adamc@854 640 ctx->get_header_data = get_header_data;
adamc@742 641 }
adamc@742 642
adamc@801 643 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801 644 va_list ap;
adamc@801 645 va_start(ap, fmt);
adamc@801 646
adamc@801 647 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801 648 }
adamc@801 649
adamc@1131 650 int uw_has_error(uw_context ctx) {
adamc@1131 651 return ctx->error_message[0] != 0;
adamc@1131 652 }
adamc@1131 653
adamc@311 654 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 655 cleanup *cl;
adamc@425 656
adamc@167 657 va_list ap;
adamc@167 658 va_start(ap, fmt);
adamc@167 659
adamc@167 660 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 661
adamc@425 662 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 663 cl->func(cl->arg);
adamc@425 664
adamc@425 665 ctx->cleanup_front = ctx->cleanup;
adamc@425 666
adamc@190 667 longjmp(ctx->jmp_buf, fk);
adamc@167 668 }
adamc@167 669
adamc@1113 670 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113 671
adamc@425 672 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 673 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 674 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 675 if (len == 0)
adamc@425 676 newLen = 1;
adamc@425 677 else
adamc@428 678 newLen = len * 2;
adamc@1113 679
adamc@1134 680 if (newLen > uw_cleanup_max) {
adamc@1113 681 if (len+1 <= uw_cleanup_max)
adamc@1113 682 newLen = uw_cleanup_max;
adamc@1113 683 else
adamc@1113 684 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134 685 }
adamc@1113 686
adamc@470 687 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 688 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 689 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 690 }
adamc@425 691
adamc@425 692 ctx->cleanup_front->func = func;
adamc@425 693 ctx->cleanup_front->arg = arg;
adamc@425 694 ++ctx->cleanup_front;
adamc@425 695 }
adamc@425 696
adam@1444 697 char *uw_Basis_htmlifyString(uw_context, const char *);
adam@1444 698
adamc@682 699 void uw_login(uw_context ctx) {
adamc@693 700 if (ctx->needs_push) {
adamc@682 701 char *id_s, *pass_s;
adamc@682 702
adamc@682 703 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adamc@682 704 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adamc@682 705 unsigned id = atoi(id_s);
adamc@682 706 int pass = atoi(pass_s);
adamc@682 707 client *c = find_client(id);
adamc@682 708
adamc@682 709 if (c == NULL)
adam@1444 710 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@682 711 else {
adamc@685 712 use_client(c);
adamc@682 713 ctx->client = c;
adamc@682 714
adamc@682 715 if (c->mode != USED)
adamc@682 716 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adamc@682 717 if (c->pass != pass)
adamc@682 718 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@682 719 }
adamc@682 720 } else {
adamc@682 721 client *c = new_client();
adamc@1113 722
adamc@1113 723 if (c == NULL)
adamc@1113 724 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adamc@1113 725
adamc@685 726 use_client(c);
adamc@1121 727 uw_copy_client_data(c->data, ctx->client_data);
adamc@682 728 ctx->client = c;
adamc@864 729 }
adamc@682 730 }
adamc@682 731 }
adamc@682 732
adamc@671 733 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671 734 int r = setjmp(ctx->jmp_buf);
adamc@671 735
adamc@671 736 if (r == 0) {
adamc@1094 737 if (ctx->app->db_begin(ctx))
adamc@671 738 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adamc@682 739
adamc@1094 740 ctx->app->handle(ctx, path);
adamc@671 741 }
adamc@671 742
adamc@671 743 return r;
adamc@671 744 }
adamc@671 745
adamc@772 746 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682 747 if (ctx->client == NULL)
adamc@682 748 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682 749
adamc@682 750 return ctx->client->id;
adamc@682 751 }
adamc@682 752
adamc@425 753 void uw_pop_cleanup(uw_context ctx) {
adamc@425 754 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 755 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 756
adamc@425 757 --ctx->cleanup_front;
adamc@425 758 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 759 }
adamc@425 760
adamc@311 761 char *uw_error_message(uw_context ctx) {
adamc@167 762 return ctx->error_message;
adamc@167 763 }
adamc@167 764
adamc@1115 765 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115 766 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115 767 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115 768 }
adamc@1115 769
adamc@759 770 static input *INP(uw_context ctx) {
adamc@759 771 if (ctx->cur_container == NULL)
adamc@759 772 return ctx->inputs;
adamc@759 773 else if (ctx->cur_container->kind == SUBFORM)
adamc@759 774 return ctx->cur_container->data.subform.fields;
adamc@759 775 else if (ctx->cur_container->kind == ENTRY)
adamc@759 776 return ctx->cur_container->data.entry.fields;
adamc@759 777 else
adamc@760 778 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759 779 }
adamc@759 780
adamc@760 781 static void adjust_pointer(input **ptr, input *old_start, input *new_start, size_t len) {
adamc@760 782 if (*ptr != NULL && *ptr >= old_start && *ptr < old_start + len)
adamc@760 783 *ptr += new_start - old_start;
adamc@760 784 }
adamc@760 785
adamc@760 786 static void adjust_input(input *x, input *old_start, input *new_start, size_t len) {
adamc@759 787 switch (x->kind) {
adamc@759 788 case SUBFORM:
adamc@760 789 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760 790 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759 791 break;
adamc@759 792 case SUBFORMS:
adamc@760 793 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760 794 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759 795 break;
adamc@759 796 case ENTRY:
adamc@760 797 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760 798 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760 799 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134 800 break;
adamc@1134 801 default:
adamc@1134 802 break;
adamc@759 803 }
adamc@759 804 }
adamc@759 805
adamc@1113 806 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113 807
adamc@759 808 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759 809 size_t i;
adamc@759 810 input *r;
adamc@759 811
adamc@759 812 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113 813 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113 814 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113 815
adamc@759 816 input *new_subinputs = realloc(ctx->subinputs, sizeof(input) * (ctx->used_subinputs + len));
adamc@759 817
adamc@760 818 if (ctx->subinputs != new_subinputs) {
adamc@760 819 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760 820 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094 821 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760 822 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 823
adamc@760 824 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 825
adamc@760 826 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760 827 ctx->subinputs = new_subinputs;
adamc@760 828 }
adamc@759 829 }
adamc@759 830
adamc@759 831 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759 832
adamc@759 833 for (i = 0; i < len; ++i)
adamc@759 834 ctx->subinputs[ctx->used_subinputs++].kind = UNUSED;
adamc@759 835
adamc@759 836 return r;
adamc@759 837 }
adamc@756 838
adamc@801 839 int uw_set_input(uw_context ctx, const char *name, char *value) {
adamc@1050 840 //printf("Input name %s\n", name);
adamc@1038 841
adamc@756 842 if (!strcasecmp(name, ".b")) {
adamc@1094 843 int n = ctx->app->input_num(value);
adamc@756 844 input *inps;
adamc@756 845
adamc@801 846 if (n < 0) {
adam@1444 847 uw_set_error(ctx, "Bad subform name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 848 return -1;
adamc@801 849 }
adamc@801 850
adamc@1094 851 if (n >= ctx->app->inputs_len) {
adam@1444 852 uw_set_error(ctx, "For subform name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 853 return -1;
adamc@801 854 }
adamc@756 855
adamc@1094 856 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759 857
adamc@759 858 INP(ctx)[n].kind = SUBFORM;
adamc@759 859 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759 860 INP(ctx)[n].data.subform.fields = inps;
adamc@759 861 ctx->cur_container = &INP(ctx)[n];
adamc@756 862 } else if (!strcasecmp(name, ".e")) {
adamc@756 863 input *tmp;
adamc@756 864
adamc@801 865 if (ctx->cur_container == NULL) {
adamc@801 866 uw_set_error(ctx, "Unmatched subform closer");
adamc@801 867 return -1;
adamc@801 868 }
adamc@756 869
adamc@759 870 tmp = ctx->cur_container;
adamc@759 871 switch (tmp->kind) {
adamc@759 872 case SUBFORM:
adamc@759 873 ctx->cur_container = tmp->data.subform.parent;
adamc@759 874 tmp->data.subform.parent = NULL;
adamc@759 875 break;
adamc@759 876 case SUBFORMS:
adamc@759 877 ctx->cur_container = tmp->data.subforms.parent;
adamc@759 878 tmp->data.subforms.parent = NULL;
adamc@759 879 break;
adamc@759 880 case ENTRY:
adamc@759 881 ctx->cur_container = tmp->data.entry.parent;
adamc@759 882 break;
adamc@759 883 default:
adamc@801 884 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801 885 return -1;
adamc@759 886 }
adamc@759 887 } else if (!strcasecmp(name, ".s")) {
adamc@1094 888 int n = ctx->app->input_num(value);
adamc@759 889
adamc@801 890 if (n < 0) {
adam@1444 891 uw_set_error(ctx, "Bad subforms name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 892 return -1;
adamc@801 893 }
adamc@801 894
adamc@1094 895 if (n >= ctx->app->inputs_len) {
adam@1444 896 uw_set_error(ctx, "For subforms name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 897 return -1;
adamc@801 898 }
adamc@759 899
adamc@759 900 INP(ctx)[n].kind = SUBFORMS;
adamc@759 901 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 902 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759 903 ctx->cur_container = &INP(ctx)[n];
adamc@759 904 } else if (!strcasecmp(name, ".i")) {
adamc@759 905 input *inps;
adamc@759 906
adamc@801 907 if (!ctx->cur_container) {
adamc@801 908 uw_set_error(ctx, "New entry without container");
adamc@801 909 return -1;
adamc@801 910 }
adamc@801 911
adamc@801 912 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801 913 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801 914 return -1;
adamc@801 915 }
adamc@759 916
adamc@1094 917 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759 918
adamc@759 919 inps->kind = ENTRY;
adamc@759 920 inps->data.entry.parent = ctx->cur_container;
adamc@759 921 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759 922 ctx->cur_container->data.subforms.entries = inps;
adamc@759 923
adamc@759 924 inps->data.entry.fields = inps+1;
adamc@759 925 ctx->cur_container = inps;
adamc@756 926 } else {
adamc@1094 927 int n = ctx->app->input_num(name);
adamc@756 928
adam@1384 929 if (n < 0)
adam@1384 930 return 0;
adamc@801 931
adamc@1094 932 if (n >= ctx->app->inputs_len) {
adam@1444 933 uw_set_error(ctx, "For input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801 934 return -1;
adamc@801 935 }
adamc@756 936
adamc@756 937 INP(ctx)[n].kind = NORMAL;
adamc@756 938 INP(ctx)[n].data.normal = value;
adamc@756 939 }
adamc@801 940
adamc@801 941 return 0;
adamc@144 942 }
adamc@144 943
adamc@311 944 char *uw_get_input(uw_context ctx, int n) {
adamc@169 945 if (n < 0)
adamc@311 946 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 947 if (n >= ctx->app->inputs_len)
adamc@311 948 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 949
adamc@756 950 switch (INP(ctx)[n].kind) {
adamc@737 951 case UNSET:
adamc@737 952 return NULL;
adamc@739 953 case FIL:
adamc@739 954 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 955 case SUBFORM:
adamc@756 956 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 957 case SUBFORMS:
adamc@759 958 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 959 case ENTRY:
adamc@759 960 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 961 case NORMAL:
adamc@756 962 return INP(ctx)[n].data.normal;
adamc@737 963 default:
adamc@737 964 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 965 }
adamc@138 966 }
adamc@138 967
adamc@311 968 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 969 if (n < 0)
adamc@311 970 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 971 if (n >= ctx->app->inputs_len)
adamc@311 972 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 973
adamc@756 974 switch (INP(ctx)[n].kind) {
adamc@737 975 case UNSET:
adamc@737 976 return "";
adamc@739 977 case FIL:
adamc@739 978 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 979 case SUBFORM:
adamc@756 980 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 981 case SUBFORMS:
adamc@759 982 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 983 case ENTRY:
adamc@759 984 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 985 case NORMAL:
adamc@756 986 return INP(ctx)[n].data.normal;
adamc@737 987 default:
adamc@737 988 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 989 }
adamc@737 990 }
adamc@737 991
adamc@801 992 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094 993 int n = ctx->app->input_num(name);
adamc@737 994
adamc@801 995 if (n < 0) {
adam@1444 996 uw_set_error(ctx, "Bad file input name %s", uw_Basis_htmlifyString(ctx, name));
adamc@801 997 return -1;
adamc@801 998 }
adamc@801 999
adamc@1094 1000 if (n >= ctx->app->inputs_len) {
adam@1444 1001 uw_set_error(ctx, "For file input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801 1002 return -1;
adamc@801 1003 }
adamc@737 1004
adamc@739 1005 ctx->inputs[n].kind = FIL;
adamc@739 1006 ctx->inputs[n].data.file = f;
adamc@801 1007
adamc@801 1008 return 0;
adamc@737 1009 }
adamc@737 1010
adamc@739 1011 void *uw_malloc(uw_context ctx, size_t len);
adamc@739 1012
adamc@739 1013 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737 1014 if (n < 0)
adamc@737 1015 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094 1016 if (n >= ctx->app->inputs_len)
adamc@737 1017 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737 1018
adamc@756 1019 switch (INP(ctx)[n].kind) {
adamc@737 1020 case UNSET:
adamc@737 1021 {
adamc@739 1022 char *data = uw_malloc(ctx, 0);
adamc@740 1023 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739 1024 return f;
adamc@737 1025 }
adamc@739 1026 case FIL:
adamc@756 1027 return INP(ctx)[n].data.file;
adamc@737 1028 case NORMAL:
adamc@737 1029 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756 1030 case SUBFORM:
adamc@756 1031 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759 1032 case SUBFORMS:
adamc@759 1033 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759 1034 case ENTRY:
adamc@759 1035 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737 1036 default:
adamc@737 1037 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1038 }
adamc@190 1039 }
adamc@190 1040
adamc@756 1041 void uw_enter_subform(uw_context ctx, int n) {
adamc@756 1042 if (n < 0)
adamc@756 1043 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094 1044 if (n >= ctx->app->inputs_len)
adamc@756 1045 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756 1046
adamc@756 1047 switch (INP(ctx)[n].kind) {
adamc@756 1048 case UNSET:
adamc@756 1049 uw_error(ctx, FATAL, "Missing subform");
adamc@756 1050 case FIL:
adamc@756 1051 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756 1052 case NORMAL:
adamc@756 1053 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759 1054 case SUBFORMS:
adamc@759 1055 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759 1056 case ENTRY:
adamc@759 1057 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756 1058 case SUBFORM:
adamc@759 1059 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760 1060 ctx->cur_container = &INP(ctx)[n];
adamc@756 1061 return;
adamc@756 1062 default:
adamc@756 1063 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756 1064 }
adamc@756 1065 }
adamc@756 1066
adamc@756 1067 void uw_leave_subform(uw_context ctx) {
adamc@756 1068 input *tmp;
adamc@756 1069
adamc@759 1070 if (ctx->cur_container == NULL)
adamc@756 1071 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756 1072
adamc@759 1073 tmp = ctx->cur_container;
adamc@759 1074 ctx->cur_container = tmp->data.subform.parent;
adamc@759 1075 tmp->data.subform.parent = NULL;
adamc@759 1076 }
adamc@759 1077
adamc@759 1078 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759 1079 input *inps;
adamc@759 1080
adamc@759 1081 if (n < 0)
adamc@759 1082 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094 1083 if (n >= ctx->app->inputs_len)
adamc@759 1084 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759 1085
adamc@759 1086 switch (INP(ctx)[n].kind) {
adamc@759 1087 case UNSET:
adamc@759 1088 uw_error(ctx, FATAL, "Missing subforms");
adamc@759 1089 case FIL:
adamc@759 1090 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759 1091 case NORMAL:
adamc@759 1092 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759 1093 case SUBFORM:
adamc@759 1094 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759 1095 case ENTRY:
adamc@759 1096 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759 1097 case SUBFORMS:
adamc@759 1098 inps = INP(ctx)[n].data.subforms.entries;
adamc@759 1099 if (inps) {
adamc@759 1100 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 1101 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759 1102 return 1;
adamc@759 1103 } else
adamc@759 1104 return 0;
adamc@759 1105 default:
adamc@759 1106 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1107 }
adamc@759 1108 }
adamc@759 1109
adamc@759 1110 int uw_next_entry(uw_context ctx) {
adamc@759 1111 if (ctx->cur_container == NULL)
adamc@759 1112 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759 1113
adamc@759 1114 switch (ctx->cur_container->kind) {
adamc@759 1115 case UNSET:
adamc@759 1116 uw_error(ctx, FATAL, "Missing entry");
adamc@759 1117 case FIL:
adamc@759 1118 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759 1119 case NORMAL:
adamc@759 1120 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759 1121 case SUBFORM:
adamc@759 1122 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759 1123 case SUBFORMS:
adamc@759 1124 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759 1125 case ENTRY:
adamc@759 1126 if (ctx->cur_container->data.entry.next) {
adamc@759 1127 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759 1128 return 1;
adamc@759 1129 } else {
adamc@759 1130 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759 1131 return 0;
adamc@759 1132 }
adamc@759 1133 default:
adamc@759 1134 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1135 }
adamc@756 1136 }
adamc@756 1137
adamc@643 1138 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 1139 ctx->script_header = s;
adamc@643 1140 }
adamc@643 1141
adamc@1094 1142 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094 1143 return ctx->app->url_prefix;
adamc@667 1144 }
adamc@667 1145
adamc@693 1146 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693 1147 ctx->needs_push = n;
adamc@693 1148 }
adamc@693 1149
adamc@736 1150 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736 1151 ctx->needs_sig = n;
adamc@736 1152 }
adamc@736 1153
adamc@667 1154
adam@1369 1155 static void uw_buffer_check_ctx(uw_context ctx, const char *kind, uw_buffer *b, size_t extra, const char *desc) {
adamc@666 1156 if (b->back - b->front < extra) {
adamc@666 1157 size_t desired = b->front - b->start + extra, next;
adamc@136 1158 char *new_heap;
adamc@136 1159
adamc@666 1160 next = b->back - b->start;
adamc@317 1161 if (next == 0)
adamc@317 1162 next = 1;
adamc@317 1163 for (; next < desired; next *= 2);
adamc@136 1164
adamc@1134 1165 if (next > b->max) {
adamc@1113 1166 if (desired <= b->max)
adamc@1113 1167 next = desired;
adamc@1113 1168 else
adamc@1113 1169 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134 1170 }
adamc@1113 1171
adamc@666 1172 new_heap = realloc(b->start, next);
adamc@666 1173 b->front = new_heap + (b->front - b->start);
adamc@666 1174 b->back = new_heap + next;
adamc@136 1175
adamc@667 1176 if (new_heap != b->start) {
adamc@666 1177 b->start = new_heap;
adam@1389 1178 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously; increasing size to %llu", desc, (unsigned long long)next);
adamc@136 1179 }
adamc@136 1180
adamc@666 1181 b->start = new_heap;
adamc@136 1182 }
adamc@136 1183 }
adamc@136 1184
adamc@832 1185 void uw_check_heap(uw_context ctx, size_t extra) {
adam@1369 1186 uw_buffer_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666 1187 }
adamc@666 1188
adamc@832 1189 char *uw_heap_front(uw_context ctx) {
adamc@832 1190 return ctx->heap.front;
adamc@832 1191 }
adamc@832 1192
adamc@832 1193 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832 1194 ctx->heap.front = fr;
adamc@832 1195 }
adamc@832 1196
adamc@311 1197 void *uw_malloc(uw_context ctx, size_t len) {
adamc@136 1198 void *result;
adamc@136 1199
adamc@311 1200 uw_check_heap(ctx, len);
adamc@136 1201
adamc@666 1202 result = ctx->heap.front;
adamc@666 1203 ctx->heap.front += len;
adamc@136 1204 return result;
adamc@117 1205 }
adamc@117 1206
adamc@323 1207 void uw_begin_region(uw_context ctx) {
adamc@666 1208 regions *r = (regions *) ctx->heap.front;
adamc@323 1209
adamc@323 1210 uw_check_heap(ctx, sizeof(regions));
adamc@323 1211
adamc@666 1212 ctx->heap.front += sizeof(regions);
adamc@323 1213
adamc@323 1214 r->next = ctx->regions;
adamc@323 1215 ctx->regions = r;
adamc@323 1216 }
adamc@323 1217
adamc@323 1218 void uw_end_region(uw_context ctx) {
adamc@323 1219 regions *r = ctx->regions;
adamc@323 1220
adamc@323 1221 if (r == NULL)
adamc@323 1222 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 1223
adamc@666 1224 ctx->heap.front = (char *) r;
adamc@323 1225 ctx->regions = r->next;
adamc@323 1226 }
adamc@323 1227
adamc@324 1228 void uw_memstats(uw_context ctx) {
adam@1369 1229 printf("Headers: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->outHeaders), (unsigned long)uw_buffer_avail(&ctx->outHeaders));
adam@1369 1230 printf("Script: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->script), (unsigned long)uw_buffer_avail(&ctx->script));
adam@1369 1231 printf("Page: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->page), (unsigned long)uw_buffer_avail(&ctx->page));
adam@1369 1232 printf("Heap: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->heap), (unsigned long)uw_buffer_avail(&ctx->heap));
adamc@324 1233 }
adamc@324 1234
adamc@311 1235 int uw_send(uw_context ctx, int sock) {
adamc@666 1236 int n = uw_really_send(sock, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@462 1237
adamc@462 1238 if (n < 0)
adamc@462 1239 return n;
adamc@462 1240
adamc@462 1241 n = uw_really_send(sock, "\r\n", 2);
adamc@462 1242
adamc@462 1243 if (n < 0)
adamc@462 1244 return n;
adamc@462 1245
adamc@666 1246 return uw_really_send(sock, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@462 1247 }
adamc@462 1248
adamc@856 1249 int uw_print(uw_context ctx, int fd) {
adamc@856 1250 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856 1251
adamc@856 1252 if (n < 0)
adamc@856 1253 return n;
adamc@856 1254
adamc@856 1255 n = uw_really_write(fd, "\r\n", 2);
adamc@856 1256
adamc@856 1257 if (n < 0)
adamc@856 1258 return n;
adamc@856 1259
adamc@856 1260 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856 1261 }
adamc@856 1262
adamc@860 1263 int uw_output(uw_context ctx, int (*output)(void *data, char *buf, size_t len), void *data) {
adamc@860 1264 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860 1265
adamc@860 1266 if (n < 0)
adamc@860 1267 return n;
adamc@860 1268
adamc@860 1269 n = output(data, "\r\n", 2);
adamc@860 1270
adamc@860 1271 if (n < 0)
adamc@860 1272 return n;
adamc@860 1273
adamc@860 1274 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860 1275 }
adamc@860 1276
adamc@462 1277 static void uw_check_headers(uw_context ctx, size_t extra) {
adam@1369 1278 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462 1279 }
adamc@462 1280
adamc@462 1281 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 1282 int len = strlen(s);
adamc@462 1283
adamc@462 1284 uw_check_headers(ctx, len + 1);
adamc@666 1285 strcpy(ctx->outHeaders.front, s);
adamc@666 1286 ctx->outHeaders.front += len;
adamc@562 1287 }
adamc@562 1288
adamc@1110 1289 void uw_clear_headers(uw_context ctx) {
adam@1369 1290 uw_buffer_reset(&ctx->outHeaders);
adamc@1110 1291 }
adamc@1110 1292
adamc@562 1293 static void uw_check_script(uw_context ctx, size_t extra) {
adam@1369 1294 ctx_uw_buffer_check(ctx, "script", &ctx->script, extra);
adamc@562 1295 }
adamc@562 1296
adamc@562 1297 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 1298 int len = strlen(s);
adamc@562 1299
adamc@562 1300 uw_check_script(ctx, len + 1);
adamc@666 1301 strcpy(ctx->script.front, s);
adamc@666 1302 ctx->script.front += len;
adamc@562 1303 }
adamc@562 1304
adamc@645 1305 const char *uw_Basis_get_script(uw_context ctx, uw_unit u) {
adamc@916 1306 return "<sc>";
adamc@565 1307 }
adamc@565 1308
adam@1446 1309 const char *uw_get_real_script(uw_context ctx) {
adam@1446 1310 return ctx->script.start;
adam@1446 1311 }
adam@1446 1312
adamc@695 1313 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695 1314 if (s[0] == 0)
adamc@695 1315 return "";
adamc@695 1316 else {
adamc@695 1317 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695 1318 sprintf(r, " onload='%s'", s);
adamc@695 1319 return r;
adamc@695 1320 }
adamc@695 1321 }
adamc@695 1322
adamc@1042 1323 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042 1324 if (ctx->script_header[0] == 0)
adamc@1042 1325 return "";
adamc@1042 1326 else {
adamc@1042 1327 char *r = uw_malloc(ctx, 22 + strlen(s));
adamc@1042 1328 sprintf(r, " onunload='unload();%s'", s);
adamc@1042 1329 return r;
adamc@1042 1330 }
adamc@1042 1331 }
adamc@1042 1332
adamc@694 1333 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736 1334 if (ctx->client == NULL) {
adamc@736 1335 if (ctx->needs_sig) {
adamc@1094 1336 char *sig = ctx->app->cookie_sig(ctx);
adamc@736 1337 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736 1338 sprintf(r, "sig=\"%s\";", sig);
adamc@736 1339 return r;
adamc@736 1340 }
adamc@736 1341 else
adamc@736 1342 return "";
adamc@736 1343 } else {
adamc@1094 1344 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094 1345 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736 1346 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adamc@736 1347 sprintf(r, "client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adamc@682 1348 ctx->client->id,
adamc@682 1349 ctx->client->pass,
adamc@1094 1350 ctx->app->url_prefix,
adamc@1094 1351 ctx->app->timeout,
adamc@736 1352 ctx->needs_sig ? "sig=\"" : "",
adamc@736 1353 sig,
adamc@736 1354 ctx->needs_sig ? "\";" : "");
adamc@679 1355 return r;
adamc@668 1356 }
adamc@667 1357 }
adamc@667 1358
adamc@574 1359 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 1360 char *r, *s2;
adamc@574 1361
adam@1446 1362 uw_check_heap(ctx, strlen(s) * 4 + 3);
adamc@574 1363
adamc@666 1364 r = s2 = ctx->heap.front;
adamc@574 1365 *s2++ = '"';
adamc@574 1366
adamc@574 1367 for (; *s; s++) {
adam@1286 1368 unsigned char c = *s;
adamc@574 1369
adamc@574 1370 switch (c) {
adamc@574 1371 case '"':
adamc@574 1372 strcpy(s2, "\\\"");
adamc@574 1373 s2 += 2;
adamc@574 1374 break;
adamc@1027 1375 case '\'':
adamc@1027 1376 strcpy(s2, "\\047");
adamc@1027 1377 s2 += 4;
adamc@1027 1378 break;
adamc@574 1379 case '\\':
adamc@574 1380 strcpy(s2, "\\\\");
adamc@574 1381 s2 += 2;
adamc@574 1382 break;
adamc@574 1383 default:
adam@1286 1384 if (isprint((int)c) || c >= 128)
adamc@574 1385 *s2++ = c;
adamc@574 1386 else {
adam@1429 1387 sprintf(s2, "\\%03o", c);
adamc@574 1388 s2 += 4;
adamc@574 1389 }
adamc@574 1390 }
adamc@574 1391 }
adamc@574 1392
adamc@574 1393 strcpy(s2, "\"");
adamc@910 1394 ctx->heap.front = s2 + 2;
adamc@574 1395 return r;
adamc@574 1396 }
adamc@574 1397
adam@1286 1398 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286 1399 unsigned char c = c1;
adamc@1025 1400 char *r, *s2;
adamc@1025 1401
adam@1446 1402 uw_check_heap(ctx, 7);
adamc@1025 1403
adamc@1025 1404 r = s2 = ctx->heap.front;
adamc@1025 1405 *s2++ = '"';
adamc@1025 1406
adamc@1025 1407 switch (c) {
adamc@1025 1408 case '"':
adamc@1025 1409 strcpy(s2, "\\\"");
adamc@1025 1410 s2 += 2;
adamc@1025 1411 break;
adamc@1027 1412 case '\'':
adamc@1027 1413 strcpy(s2, "\\047");
adamc@1027 1414 s2 += 4;
adamc@1027 1415 break;
adamc@1025 1416 case '\\':
adamc@1025 1417 strcpy(s2, "\\\\");
adamc@1025 1418 s2 += 2;
adamc@1025 1419 break;
adamc@1025 1420 default:
adam@1286 1421 if (isprint((int)c) || c >= 128)
adamc@1025 1422 *s2++ = c;
adamc@1025 1423 else {
adam@1429 1424 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1025 1425 s2 += 4;
adamc@1025 1426 }
adamc@1025 1427 }
adamc@1025 1428
adamc@1025 1429 strcpy(s2, "\"");
adamc@1025 1430 ctx->heap.front = s2 + 2;
adamc@1025 1431 return r;
adamc@1025 1432 }
adamc@1025 1433
adamc@574 1434 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 1435 char *r, *s2;
adamc@574 1436
adam@1446 1437 uw_check_script(ctx, strlen(s) * 4 + 3);
adamc@574 1438
adamc@666 1439 r = s2 = ctx->script.front;
adamc@574 1440 *s2++ = '"';
adamc@574 1441
adamc@574 1442 for (; *s; s++) {
adam@1286 1443 unsigned char c = *s;
adamc@574 1444
adamc@574 1445 switch (c) {
adamc@577 1446 case '\'':
adamc@1027 1447 strcpy(s2, "\\");
adamc@574 1448 s2 += 2;
adamc@574 1449 break;
adamc@574 1450 case '\\':
adamc@574 1451 strcpy(s2, "\\\\");
adamc@574 1452 s2 += 2;
adamc@574 1453 break;
adamc@574 1454 default:
adam@1286 1455 if (isprint((int)c) || c >= 128)
adamc@574 1456 *s2++ = c;
adamc@574 1457 else {
adam@1429 1458 sprintf(s2, "\\%03o", c);
adamc@574 1459 s2 += 4;
adamc@574 1460 }
adamc@574 1461 }
adamc@574 1462 }
adamc@574 1463
adamc@574 1464 strcpy(s2, "\"");
adamc@666 1465 ctx->script.front = s2 + 1;
adamc@574 1466 return r;
adamc@574 1467 }
adamc@574 1468
adamc@682 1469 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1470 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1471 return "null";
adamc@682 1472 else {
adamc@682 1473 int len;
adamc@682 1474 char *r;
adamc@682 1475
adamc@682 1476 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1477 r = ctx->heap.front;
adamc@682 1478 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1479 ctx->heap.front += len+1;
adamc@682 1480 return r;
adamc@682 1481 }
adamc@682 1482 }
adamc@682 1483
adam@1446 1484 uw_Basis_source uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 1485 int len;
adamc@577 1486 size_t s_len = strlen(s);
adamc@562 1487
adam@1446 1488 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1489 sprintf(ctx->script.front, "s%d_%llu=sc(exec(%n", ctx->id, ctx->source_count, &len);
adamc@666 1490 ctx->script.front += len;
adamc@666 1491 strcpy(ctx->script.front, s);
adamc@666 1492 ctx->script.front += s_len;
adamc@970 1493 strcpy(ctx->script.front, "));");
adamc@972 1494 ctx->script.front += 3;
adamc@562 1495
adam@1446 1496 uw_Basis_source r = {ctx->id, ctx->source_count++};
adam@1446 1497 return r;
adam@1446 1498 }
adam@1446 1499
adam@1446 1500 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_source src, uw_Basis_string s) {
adamc@577 1501 int len;
adamc@577 1502 size_t s_len = strlen(s);
adamc@577 1503
adam@1446 1504 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446 1505 sprintf(ctx->script.front, "sv(s%d_%llu,exec(%n", src.context, src.source, &len);
adamc@666 1506 ctx->script.front += len;
adamc@666 1507 strcpy(ctx->script.front, s);
adamc@666 1508 ctx->script.front += s_len;
adamc@970 1509 strcpy(ctx->script.front, "));");
adamc@972 1510 ctx->script.front += 3;
adamc@577 1511
adamc@577 1512 return uw_unit_v;
adamc@577 1513 }
adamc@577 1514
adamc@311 1515 static void uw_check(uw_context ctx, size_t extra) {
adam@1369 1516 ctx_uw_buffer_check(ctx, "page", &ctx->page, extra);
adamc@117 1517 }
adamc@117 1518
adamc@311 1519 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 1520 *(ctx->page.front)++ = c;
adam@1413 1521 *ctx->page.front = 0;
adamc@117 1522 }
adamc@117 1523
adamc@311 1524 void uw_writec(uw_context ctx, char c) {
adam@1413 1525 uw_check(ctx, 2);
adamc@311 1526 uw_writec_unsafe(ctx, c);
adamc@117 1527 }
adamc@117 1528
adamc@311 1529 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 1530 int len = strlen(s);
adamc@666 1531 memcpy(ctx->page.front, s, len);
adamc@666 1532 ctx->page.front += len;
adamc@117 1533 }
adamc@117 1534
adamc@311 1535 void uw_write(uw_context ctx, const char* s) {
adamc@311 1536 uw_check(ctx, strlen(s) + 1);
adamc@311 1537 uw_write_unsafe(ctx, s);
adamc@666 1538 *ctx->page.front = 0;
adamc@102 1539 }
adamc@106 1540
adamc@311 1541 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 1542 char *result;
adamc@136 1543 int len;
adamc@311 1544 uw_check_heap(ctx, INTS_MAX);
adamc@666 1545 result = ctx->heap.front;
adamc@276 1546 sprintf(result, "%lld%n", n, &len);
adamc@666 1547 ctx->heap.front += len+1;
adamc@136 1548 return result;
adamc@106 1549 }
adamc@106 1550
adamc@311 1551 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 1552 char *result;
adamc@136 1553 int len;
adamc@311 1554 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1555 result = ctx->heap.front;
adamc@136 1556 sprintf(result, "%g%n", n, &len);
adamc@666 1557 ctx->heap.front += len+1;
adamc@136 1558 return result;
adamc@106 1559 }
adamc@106 1560
adamc@311 1561 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 1562 int len = strlen(s);
adamc@136 1563 char *result, *p;
adamc@311 1564 uw_check_heap(ctx, len * 6 + 1);
adamc@136 1565
adamc@666 1566 result = p = ctx->heap.front;
adamc@136 1567
adamc@136 1568 for (; *s; s++) {
adamc@1054 1569 unsigned char c = *s;
adamc@136 1570
adamc@136 1571 if (c == '"') {
adamc@136 1572 strcpy(p, "&quot;");
adamc@136 1573 p += 6;
adamc@136 1574 } else if (c == '&') {
adamc@136 1575 strcpy(p, "&amp;");
adamc@136 1576 p += 5;
adamc@136 1577 }
adamc@1059 1578 else
adamc@136 1579 *p++ = c;
adamc@136 1580 }
adamc@136 1581
adamc@137 1582 *p++ = 0;
adamc@666 1583 ctx->heap.front = p;
adamc@136 1584 return result;
adamc@106 1585 }
adamc@106 1586
adamc@1011 1587 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 1588 char *result, *p;
adamc@1011 1589 uw_check_heap(ctx, 7);
adamc@1011 1590
adamc@1011 1591 result = p = ctx->heap.front;
adamc@1011 1592
adamc@1011 1593 if (c == '"') {
adamc@1011 1594 strcpy(p, "&quot;");
adamc@1011 1595 p += 6;
adamc@1011 1596 } else if (c == '&') {
adamc@1011 1597 strcpy(p, "&amp;");
adamc@1011 1598 p += 5;
adamc@1011 1599 }
adamc@1059 1600 else
adamc@1011 1601 *p++ = c;
adamc@1011 1602
adamc@1011 1603 *p++ = 0;
adamc@1011 1604 ctx->heap.front = p;
adamc@1011 1605 return result;
adamc@1011 1606 }
adamc@1011 1607
adamc@721 1608 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721 1609 return s;
adamc@721 1610 }
adamc@721 1611
adamc@311 1612 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 1613 int len;
adamc@117 1614
adamc@666 1615 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1616 ctx->page.front += len;
adamc@106 1617 }
adamc@106 1618
adamc@428 1619 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1620 uw_check(ctx, INTS_MAX);
adamc@311 1621 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 1622
adamc@428 1623 return uw_unit_v;
adamc@106 1624 }
adamc@106 1625
adamc@428 1626 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 1627 int len;
adamc@117 1628
adamc@311 1629 uw_check(ctx, FLOATS_MAX);
adamc@666 1630 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1631 ctx->page.front += len;
adamc@428 1632
adamc@428 1633 return uw_unit_v;
adamc@117 1634 }
adamc@117 1635
adamc@428 1636 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1637 uw_check(ctx, strlen(s) * 6);
adamc@117 1638
adamc@106 1639 for (; *s; s++) {
adamc@1054 1640 unsigned char c = *s;
adamc@106 1641
adamc@106 1642 if (c == '"')
adamc@311 1643 uw_write_unsafe(ctx, "&quot;");
adamc@136 1644 else if (c == '&')
adamc@311 1645 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1646 else
adamc@311 1647 uw_writec_unsafe(ctx, c);
adamc@106 1648 }
adamc@428 1649
adamc@428 1650 return uw_unit_v;
adamc@106 1651 }
adamc@120 1652
adamc@1011 1653 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011 1654 uw_check(ctx, 6);
adamc@1011 1655
adamc@1011 1656 if (c == '"')
adamc@1011 1657 uw_write_unsafe(ctx, "&quot;");
adamc@1011 1658 else if (c == '&')
adamc@1011 1659 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1660 else
adamc@1011 1661 uw_writec_unsafe(ctx, c);
adamc@1011 1662
adamc@1011 1663 return uw_unit_v;
adamc@1011 1664 }
adamc@1011 1665
adamc@120 1666
adamc@311 1667 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 1668 int len;
adamc@137 1669 char *r;
adamc@137 1670
adamc@311 1671 uw_check_heap(ctx, INTS_MAX);
adamc@666 1672 r = ctx->heap.front;
adamc@276 1673 sprintf(r, "%lld%n", n, &len);
adamc@666 1674 ctx->heap.front += len+1;
adamc@137 1675 return r;
adamc@120 1676 }
adamc@120 1677
adamc@682 1678 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1679 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1680 return "";
adamc@682 1681 else {
adamc@682 1682 int len;
adamc@682 1683 char *r;
adamc@679 1684
adamc@682 1685 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1686 r = ctx->heap.front;
adamc@682 1687 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1688 ctx->heap.front += len+1;
adamc@682 1689 return r;
adamc@682 1690 }
adamc@679 1691 }
adamc@679 1692
adamc@311 1693 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 1694 int len;
adamc@137 1695 char *r;
adamc@137 1696
adamc@311 1697 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1698 r = ctx->heap.front;
adamc@137 1699 sprintf(r, "%g%n", n, &len);
adamc@666 1700 ctx->heap.front += len+1;
adamc@137 1701 return r;
adamc@120 1702 }
adamc@120 1703
adamc@311 1704 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1705 char *r, *p;
adamc@137 1706
adamc@925 1707 if (s[0] == '\0')
adamc@925 1708 return "_";
adamc@925 1709
adamc@925 1710 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925 1711
adamc@925 1712 r = p = ctx->heap.front;
adamc@925 1713 if (s[0] == '_')
adamc@925 1714 *p++ = '_';
adamc@925 1715
adamc@925 1716 for (; *s; s++) {
adamc@1087 1717 unsigned char c = *s;
adamc@137 1718
adamc@137 1719 if (c == ' ')
adamc@137 1720 *p++ = '+';
adamc@137 1721 else if (isalnum(c))
adamc@137 1722 *p++ = c;
adamc@137 1723 else {
adamc@1259 1724 sprintf(p, ".%02X", c);
adamc@137 1725 p += 3;
adamc@137 1726 }
adamc@137 1727 }
adamc@137 1728
adamc@137 1729 *p++ = 0;
adamc@666 1730 ctx->heap.front = p;
adamc@137 1731 return r;
adamc@120 1732 }
adamc@120 1733
adamc@311 1734 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1735 if (b == uw_Basis_False)
adamc@186 1736 return "0";
adamc@186 1737 else
adamc@186 1738 return "1";
adamc@186 1739 }
adamc@186 1740
adamc@311 1741 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1742 int len;
adamc@120 1743
adamc@666 1744 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1745 ctx->page.front += len;
adamc@120 1746 }
adamc@120 1747
adamc@428 1748 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1749 uw_check(ctx, INTS_MAX);
adamc@311 1750 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1751
adamc@428 1752 return uw_unit_v;
adamc@120 1753 }
adamc@120 1754
adamc@682 1755 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1756 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1757 int len;
adamc@682 1758
adamc@682 1759 uw_check(ctx, INTS_MAX + 1);
adamc@682 1760 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1761 ctx->page.front += len;
adamc@682 1762 }
adamc@682 1763
adamc@679 1764 return uw_unit_v;
adamc@679 1765 }
adamc@679 1766
adamc@428 1767 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1768 int len;
adamc@120 1769
adamc@311 1770 uw_check(ctx, FLOATS_MAX);
adamc@666 1771 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1772 ctx->page.front += len;
adamc@428 1773
adamc@428 1774 return uw_unit_v;
adamc@120 1775 }
adamc@120 1776
adamc@488 1777 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@1376 1778 return uw_Basis_urlifyInt(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adamc@488 1779 }
adamc@488 1780
adam@1404 1781 uw_unit uw_Basis_urlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1404 1782 return uw_Basis_urlifyInt_w(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adam@1404 1783 }
adam@1404 1784
adamc@428 1785 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925 1786 if (s[0] == '\0') {
adamc@925 1787 uw_check(ctx, 1);
adamc@925 1788 uw_writec_unsafe(ctx, '_');
adamc@925 1789 return uw_unit_v;
adamc@925 1790 }
adamc@925 1791
adamc@925 1792 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925 1793
adamc@925 1794 if (s[0] == '_')
adamc@925 1795 uw_writec_unsafe(ctx, '_');
adamc@120 1796
adamc@120 1797 for (; *s; s++) {
adamc@1087 1798 unsigned char c = *s;
adamc@120 1799
adamc@120 1800 if (c == ' ')
adamc@311 1801 uw_writec_unsafe(ctx, '+');
adamc@120 1802 else if (isalnum(c))
adamc@311 1803 uw_writec_unsafe(ctx, c);
adamc@120 1804 else {
adamc@1259 1805 sprintf(ctx->page.front, ".%02X", c);
adamc@666 1806 ctx->page.front += 3;
adamc@120 1807 }
adamc@120 1808 }
adamc@428 1809
adamc@428 1810 return uw_unit_v;
adamc@120 1811 }
adamc@120 1812
adamc@428 1813 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1814 if (b == uw_Basis_False)
adamc@311 1815 uw_writec(ctx, '0');
adamc@186 1816 else
adamc@311 1817 uw_writec(ctx, '1');
adamc@428 1818
adamc@428 1819 return uw_unit_v;
adamc@186 1820 }
adamc@186 1821
adamc@120 1822
adamc@311 1823 static char *uw_unurlify_advance(char *s) {
adamc@144 1824 char *new_s = strchr(s, '/');
adamc@120 1825
adamc@120 1826 if (new_s)
adamc@120 1827 *new_s++ = 0;
adamc@120 1828 else
adamc@144 1829 new_s = strchr(s, 0);
adamc@144 1830
adamc@144 1831 return new_s;
adamc@144 1832 }
adamc@144 1833
adamc@311 1834 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 1835 char *new_s = uw_unurlify_advance(*s);
adamc@311 1836 uw_Basis_int r;
adamc@120 1837
adamc@276 1838 r = atoll(*s);
adamc@120 1839 *s = new_s;
adamc@120 1840 return r;
adamc@120 1841 }
adamc@120 1842
adamc@311 1843 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 1844 char *new_s = uw_unurlify_advance(*s);
adamc@311 1845 uw_Basis_float r;
adamc@120 1846
adamc@120 1847 r = atof(*s);
adamc@120 1848 *s = new_s;
adamc@120 1849 return r;
adamc@120 1850 }
adamc@120 1851
adamc@488 1852 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adam@1365 1853 uw_Basis_int n = uw_Basis_unurlifyInt(ctx, s);
adam@1365 1854 uw_Basis_time r = {n / 1000000, n % 1000000};
adam@1365 1855 return r;
adamc@488 1856 }
adamc@488 1857
adamc@1023 1858 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char *r, char *s) {
adamc@927 1859 char *s1, *s2 = s;
adamc@144 1860 int n;
adamc@136 1861
adamc@1023 1862 if (!fromClient) {
adamc@1023 1863 if (*s2 == '_')
adamc@1023 1864 ++s2;
adamc@1259 1865 else if ((s2[0] == '%' || s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@1023 1866 s2 += 3;
adamc@1023 1867 }
adamc@925 1868
adamc@927 1869 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087 1870 unsigned char c = *s2;
adamc@136 1871
adamc@136 1872 switch (c) {
adamc@136 1873 case '+':
adamc@136 1874 *s1 = ' ';
adamc@136 1875 break;
adamc@136 1876 case '%':
adamc@169 1877 if (s2[1] == 0)
adamc@311 1878 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 1879 if (s2[2] == 0)
adamc@311 1880 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 1881 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 1882 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@136 1883 *s1 = n;
adamc@136 1884 s2 += 2;
adamc@136 1885 break;
adamc@1259 1886 case '.':
adamc@1259 1887 if (!fromClient) {
adamc@1259 1888 if (s2[1] == 0)
adamc@1259 1889 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259 1890 if (s2[2] == 0)
adamc@1259 1891 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259 1892 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 1893 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@1259 1894 *s1 = n;
adamc@1259 1895 s2 += 2;
adamc@1259 1896 break;
adamc@1259 1897 }
adamc@136 1898 default:
adamc@136 1899 *s1 = c;
adamc@136 1900 }
adamc@136 1901 }
adamc@136 1902 *s1++ = 0;
adamc@144 1903 return s1;
adamc@144 1904 }
adamc@144 1905
adamc@311 1906 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 1907 char *new_s = uw_unurlify_advance(*s);
adamc@311 1908 uw_Basis_bool r;
adamc@186 1909
adamc@186 1910 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 1911 r = uw_Basis_False;
adamc@186 1912 else
adamc@311 1913 r = uw_Basis_True;
adamc@186 1914
adamc@186 1915 *s = new_s;
adamc@186 1916 return r;
adamc@186 1917 }
adamc@186 1918
adamc@311 1919 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 1920 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1921 char *r;
adamc@1134 1922 int len;
adamc@144 1923
adamc@200 1924 len = strlen(*s);
adamc@311 1925 uw_check_heap(ctx, len + 1);
adamc@144 1926
adamc@666 1927 r = ctx->heap.front;
adamc@1023 1928 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023 1929 *s = new_s;
adamc@1023 1930 return r;
adamc@1023 1931 }
adamc@1023 1932
adamc@1109 1933 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109 1934 *s = uw_unurlify_advance(*s);
adamc@1109 1935 return uw_unit_v;
adamc@1109 1936 }
adamc@1109 1937
adamc@1023 1938 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023 1939 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1940 char *r;
adamc@1134 1941 int len;
adamc@1023 1942
adamc@1023 1943 len = strlen(*s);
adamc@1023 1944 uw_check_heap(ctx, len + 1);
adamc@1023 1945
adamc@1023 1946 r = ctx->heap.front;
adamc@1023 1947 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136 1948 *s = new_s;
adamc@136 1949 return r;
adamc@120 1950 }
adamc@135 1951
adamc@135 1952
adamc@311 1953 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 1954 int len;
adamc@286 1955 char *r;
adamc@286 1956
adamc@311 1957 uw_check_heap(ctx, INTS_MAX);
adamc@666 1958 r = ctx->heap.front;
adamc@286 1959 sprintf(r, "%lld%n", n, &len);
adamc@666 1960 ctx->heap.front += len+1;
adamc@286 1961 return r;
adamc@286 1962 }
adamc@286 1963
adamc@428 1964 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 1965 int len;
adamc@286 1966
adamc@311 1967 uw_check(ctx, INTS_MAX);
adamc@666 1968 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1969 ctx->page.front += len;
adamc@428 1970
adamc@428 1971 return uw_unit_v;
adamc@286 1972 }
adamc@286 1973
adam@1358 1974 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358 1975 unsigned int n = ch;
adam@1358 1976 int len;
adam@1358 1977 char *r;
adam@1358 1978
adam@1358 1979 uw_check_heap(ctx, INTS_MAX+3);
adam@1358 1980 r = ctx->heap.front;
adam@1358 1981 sprintf(r, "&#%u;%n", n, &len);
adam@1358 1982 ctx->heap.front += len+1;
adam@1358 1983 return r;
adam@1358 1984 }
adam@1358 1985
adam@1358 1986 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358 1987 unsigned int n = ch;
adam@1358 1988 int len;
adam@1358 1989
adam@1358 1990 uw_check(ctx, INTS_MAX+3);
adam@1358 1991 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358 1992 ctx->page.front += len;
adam@1358 1993 return uw_unit_v;
adam@1358 1994 }
adam@1358 1995
adamc@311 1996 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 1997 int len;
adamc@286 1998 char *r;
adamc@286 1999
adamc@311 2000 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2001 r = ctx->heap.front;
adamc@286 2002 sprintf(r, "%g%n", n, &len);
adamc@666 2003 ctx->heap.front += len+1;
adamc@286 2004 return r;
adamc@286 2005 }
adamc@286 2006
adamc@428 2007 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 2008 int len;
adamc@286 2009
adamc@311 2010 uw_check(ctx, FLOATS_MAX);
adamc@666 2011 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 2012 ctx->page.front += len;
adamc@428 2013
adamc@428 2014 return uw_unit_v;
adamc@286 2015 }
adamc@286 2016
adam@1365 2017 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time t) {
adam@1360 2018 int len;
adam@1360 2019 char *r;
adam@1360 2020
adam@1360 2021 uw_check_heap(ctx, INTS_MAX);
adam@1360 2022 r = ctx->heap.front;
adamc@1377 2023 sprintf(r, "%lld%n", (uw_Basis_int)t.seconds * 1000000 + t.microseconds, &len);
adam@1360 2024 ctx->heap.front += len+1;
adam@1360 2025 return r;
adam@1360 2026 }
adam@1360 2027
adam@1365 2028 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_int n) {
adam@1360 2029 int len;
adam@1360 2030
adam@1360 2031 uw_check(ctx, INTS_MAX);
adam@1360 2032 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360 2033 ctx->page.front += len;
adam@1360 2034
adam@1360 2035 return uw_unit_v;
adam@1360 2036 }
adam@1360 2037
adam@1444 2038 char *uw_Basis_htmlifyString(uw_context ctx, const char *s) {
adamc@137 2039 char *r, *s2;
adamc@137 2040
adamc@311 2041 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 2042
adamc@666 2043 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054 2044 unsigned char c = *s;
adamc@137 2045
adamc@137 2046 switch (c) {
adamc@137 2047 case '<':
adamc@137 2048 strcpy(s2, "&lt;");
adamc@137 2049 s2 += 4;
adamc@137 2050 break;
adamc@137 2051 case '&':
adamc@137 2052 strcpy(s2, "&amp;");
adamc@137 2053 s2 += 5;
adamc@137 2054 break;
adamc@137 2055 default:
adamc@1059 2056 *s2++ = c;
adamc@137 2057 }
adamc@137 2058 }
adamc@137 2059
adamc@137 2060 *s2++ = 0;
adamc@666 2061 ctx->heap.front = s2;
adamc@137 2062 return r;
adamc@135 2063 }
adamc@135 2064
adamc@428 2065 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 2066 uw_check(ctx, strlen(s) * 6);
adamc@135 2067
adamc@135 2068 for (; *s; s++) {
adamc@1054 2069 unsigned char c = *s;
adamc@135 2070
adamc@135 2071 switch (c) {
adamc@135 2072 case '<':
adamc@311 2073 uw_write_unsafe(ctx, "&lt;");
adamc@135 2074 break;
adamc@135 2075 case '&':
adamc@311 2076 uw_write_unsafe(ctx, "&amp;");
adamc@135 2077 break;
adamc@135 2078 default:
adamc@1059 2079 uw_writec_unsafe(ctx, c);
adamc@135 2080 }
adamc@135 2081 }
adamc@428 2082
adamc@428 2083 return uw_unit_v;
adamc@135 2084 }
adamc@180 2085
adamc@311 2086 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2087 if (b == uw_Basis_False)
adamc@286 2088 return "False";
adamc@286 2089 else
adamc@286 2090 return "True";
adamc@286 2091 }
adamc@286 2092
adamc@428 2093 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 2094 if (b == uw_Basis_False) {
adamc@311 2095 uw_check(ctx, 6);
adamc@666 2096 strcpy(ctx->page.front, "False");
adamc@666 2097 ctx->page.front += 5;
adamc@286 2098 } else {
adamc@311 2099 uw_check(ctx, 5);
adamc@666 2100 strcpy(ctx->page.front, "True");
adamc@666 2101 ctx->page.front += 4;
adamc@286 2102 }
adamc@428 2103
adamc@428 2104 return uw_unit_v;
adamc@286 2105 }
adamc@286 2106
adamc@436 2107 #define TIME_FMT "%x %X"
adamc@438 2108 #define TIME_FMT_PG "%Y-%m-%d %T"
adamc@436 2109
adamc@436 2110 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@436 2111 size_t len;
adamc@436 2112 char *r;
adam@1392 2113 struct tm stm = {};
adam@1392 2114 stm.tm_isdst = -1;
adamc@436 2115
adam@1365 2116 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2117 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2118 r = ctx->heap.front;
adamc@436 2119 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2120 ctx->heap.front += len+1;
adamc@436 2121 return r;
adamc@436 2122 } else
adamc@436 2123 return "<i>Invalid time</i>";
adamc@436 2124 }
adamc@436 2125
adamc@436 2126 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adamc@436 2127 size_t len;
adamc@436 2128 char *r;
adam@1392 2129 struct tm stm = {};
adam@1392 2130 stm.tm_isdst = -1;
adamc@436 2131
adam@1365 2132 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2133 uw_check(ctx, TIMES_MAX);
adamc@666 2134 r = ctx->page.front;
adamc@436 2135 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2136 ctx->page.front += len;
adamc@436 2137 } else {
adamc@436 2138 uw_check(ctx, 20);
adamc@666 2139 strcpy(ctx->page.front, "<i>Invalid time</i>");
adamc@666 2140 ctx->page.front += 19;
adamc@436 2141 }
adamc@436 2142
adamc@436 2143 return uw_unit_v;
adamc@436 2144 }
adamc@436 2145
adam@1446 2146 char *uw_Basis_htmlifySource(uw_context ctx, uw_Basis_source src) {
adam@1446 2147 int len;
adam@1446 2148 char *r;
adam@1446 2149
adam@1446 2150 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1446 2151 r = ctx->heap.front;
adam@1446 2152 sprintf(r, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2153 ctx->heap.front += len+1;
adam@1446 2154 return r;
adam@1446 2155 }
adam@1446 2156
adam@1446 2157 uw_unit uw_Basis_htmlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1446 2158 int len;
adam@1446 2159
adam@1446 2160 uw_check(ctx, 2 * INTS_MAX + 1);
adam@1446 2161 sprintf(ctx->page.front, "s%d_%llu%n", src.context, src.source, &len);
adam@1446 2162 ctx->page.front += len;
adam@1446 2163
adam@1446 2164 return uw_unit_v;
adam@1446 2165 }
adam@1446 2166
adamc@821 2167 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2168 while (n >= 0) {
adam@1388 2169 if (*s == 0)
adam@1388 2170 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adam@1388 2171
adam@1388 2172 if (n == 0)
adam@1388 2173 return *s;
adam@1388 2174
adam@1388 2175 --n;
adam@1388 2176 ++s;
adam@1388 2177 }
adam@1388 2178
adam@1388 2179 uw_error(ctx, FATAL, "Negative strsub bound");
adamc@821 2180 }
adamc@821 2181
adamc@821 2182 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2183 while (n >= 0) {
adam@1388 2184 if (*s == 0 || n == 0)
adam@1388 2185 return s;
adam@1388 2186
adam@1388 2187 --n;
adam@1388 2188 ++s;
adam@1388 2189 }
adam@1388 2190
adam@1388 2191 uw_error(ctx, FATAL, "Negative strsuffix bound");
adamc@821 2192 }
adamc@821 2193
adamc@828 2194 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 2195 return strlen(s);
adamc@828 2196 }
adamc@828 2197
adam@1388 2198 uw_Basis_bool uw_Basis_strlenGe(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2199 while (n > 0) {
adam@1388 2200 if (*s == 0)
adam@1388 2201 return uw_Basis_False;
adam@1388 2202
adam@1388 2203 --n;
adam@1388 2204 ++s;
adam@1388 2205 }
adam@1388 2206
adam@1388 2207 return uw_Basis_True;
adam@1388 2208 }
adam@1388 2209
adamc@829 2210 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2211 return strchr(s, ch);
adamc@829 2212 }
adamc@829 2213
adamc@831 2214 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 2215 return strcspn(s, chs);
adamc@831 2216 }
adamc@831 2217
adamc@829 2218 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2219 uw_Basis_string r = strchr(s, ch);
adamc@829 2220 if (r == NULL)
adamc@829 2221 return NULL;
adamc@829 2222 else {
adamc@829 2223 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 2224 *nr = r - s;
adamc@829 2225 return nr;
adamc@829 2226 }
adamc@829 2227 }
adamc@829 2228
adam@1390 2229 uw_Basis_int *uw_Basis_strsindex(uw_context ctx, const char *haystack, const char *needle) {
adam@1390 2230 uw_Basis_string r = strstr(haystack, needle);
adam@1390 2231 if (r == NULL)
adam@1390 2232 return NULL;
adam@1390 2233 else {
adam@1390 2234 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adam@1390 2235 *nr = r - haystack;
adam@1390 2236 return nr;
adam@1390 2237 }
adam@1390 2238 }
adam@1390 2239
adamc@311 2240 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 2241 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 2242 char *s;
adamc@180 2243
adamc@311 2244 uw_check_heap(ctx, len);
adamc@180 2245
adamc@666 2246 s = ctx->heap.front;
adamc@180 2247
adamc@180 2248 strcpy(s, s1);
adamc@180 2249 strcat(s, s2);
adamc@666 2250 ctx->heap.front += len;
adamc@180 2251
adamc@180 2252 return s;
adamc@180 2253 }
adamc@278 2254
adamc@829 2255 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 2256 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 2257
adamc@829 2258 if (start < 0)
adamc@829 2259 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 2260 if (len < 0)
adamc@829 2261 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 2262 if (start + len > full_len)
adamc@829 2263 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 2264
adamc@829 2265 if (start + len == full_len)
adamc@829 2266 return &s[start];
adamc@829 2267 else {
adamc@829 2268 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 2269 memcpy(r, s+start, len);
adamc@829 2270 r[len] = 0;
adamc@829 2271 return r;
adamc@829 2272 }
adamc@829 2273
adamc@829 2274 }
adamc@829 2275
adamc@1023 2276 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023 2277 char *r;
adamc@1023 2278
adamc@1023 2279 uw_check_heap(ctx, 2);
adamc@1023 2280 r = ctx->heap.front;
adamc@1023 2281 r[0] = ch;
adamc@1023 2282 r[1] = 0;
adamc@1023 2283
adamc@1023 2284 ctx->heap.front += 2;
adamc@1023 2285
adamc@1023 2286 return r;
adamc@1023 2287 }
adamc@1023 2288
adamc@737 2289 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 2290 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 2291 char *s;
adamc@278 2292
adamc@311 2293 uw_check_heap(ctx, len);
adamc@278 2294
adamc@666 2295 s = ctx->heap.front;
adamc@278 2296
adamc@278 2297 strcpy(s, s1);
adamc@666 2298 ctx->heap.front += len;
adamc@278 2299
adamc@278 2300 return s;
adamc@278 2301 }
adamc@280 2302
adam@1295 2303 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295 2304 if (ctx->error_message[0]) {
adam@1295 2305 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295 2306 ctx->error_message[0] = 0;
adam@1295 2307 return s;
adam@1295 2308 } else
adam@1295 2309 return NULL;
adam@1295 2310 }
adam@1295 2311
adamc@737 2312 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 2313 if (s1)
adamc@737 2314 return uw_strdup(ctx, s1);
adamc@493 2315 else
adamc@493 2316 return NULL;
adamc@493 2317 }
adamc@493 2318
adamc@742 2319 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 2320 char *r = uw_malloc(ctx, len);
adamc@742 2321 memcpy(r, p, len);
adamc@742 2322 return r;
adamc@742 2323 }
adamc@280 2324
adamc@879 2325 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 2326
adamc@311 2327 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 2328 int len;
adamc@281 2329 char *r;
adamc@281 2330
adamc@311 2331 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 2332 r = ctx->heap.front;
adamc@879 2333 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 2334 ctx->heap.front += len+1;
adamc@281 2335 return r;
adamc@281 2336 }
adamc@281 2337
adamc@467 2338 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 2339 if (n == NULL)
adamc@467 2340 return "NULL";
adamc@467 2341 else
adamc@467 2342 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 2343 }
adamc@467 2344
adamc@879 2345 char *uw_sqlfmtFloat = "%g::float8%n";
adamc@879 2346
adamc@311 2347 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 2348 int len;
adamc@281 2349 char *r;
adamc@281 2350
adamc@311 2351 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 2352 r = ctx->heap.front;
adamc@879 2353 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 2354 ctx->heap.front += len+1;
adamc@281 2355 return r;
adamc@281 2356 }
adamc@281 2357
adamc@467 2358 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 2359 if (n == NULL)
adamc@467 2360 return "NULL";
adamc@467 2361 else
adamc@467 2362 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 2363 }
adamc@467 2364
adamc@879 2365 int uw_Estrings = 1;
adamc@879 2366 char *uw_sqlsuffixString = "::text";
adamc@1011 2367 char *uw_sqlsuffixChar = "::char";
adamc@281 2368
adamc@311 2369 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 2370 char *r, *s2;
adamc@280 2371
adamc@879 2372 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 2373
adamc@666 2374 r = s2 = ctx->heap.front;
adamc@879 2375 if (uw_Estrings)
adamc@879 2376 *s2++ = 'E';
adamc@280 2377 *s2++ = '\'';
adamc@280 2378
adamc@280 2379 for (; *s; s++) {
adamc@280 2380 char c = *s;
adamc@280 2381
adamc@280 2382 switch (c) {
adamc@280 2383 case '\'':
adamc@885 2384 if (uw_Estrings)
adamc@885 2385 strcpy(s2, "\\'");
adamc@885 2386 else
adamc@885 2387 strcpy(s2, "''");
adamc@280 2388 s2 += 2;
adamc@280 2389 break;
adamc@280 2390 case '\\':
adamc@885 2391 if (uw_Estrings) {
adamc@885 2392 strcpy(s2, "\\\\");
adamc@885 2393 s2 += 2;
adamc@885 2394 } else
adamc@885 2395 *s2++ = '\\';
adamc@280 2396 break;
adamc@280 2397 default:
adamc@1150 2398 if (isprint((int)c))
adamc@280 2399 *s2++ = c;
adamc@879 2400 else if (uw_Estrings) {
adamc@737 2401 sprintf(s2, "\\%03o", c);
adamc@280 2402 s2 += 4;
adamc@280 2403 }
adamc@879 2404 else
adamc@879 2405 uw_error(ctx, FATAL, "Non-printable character %u in string to SQLify", c);
adamc@280 2406 }
adamc@280 2407 }
adamc@280 2408
adamc@879 2409 *s2++ = '\'';
adamc@879 2410 strcpy(s2, uw_sqlsuffixString);
adamc@879 2411 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2412 return r;
adamc@280 2413 }
adamc@281 2414
adamc@1011 2415 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 2416 char *r, *s2;
adamc@1011 2417
adamc@1011 2418 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011 2419
adamc@1011 2420 r = s2 = ctx->heap.front;
adamc@1011 2421 if (uw_Estrings)
adamc@1011 2422 *s2++ = 'E';
adamc@1011 2423 *s2++ = '\'';
adamc@1011 2424
adamc@1011 2425 switch (c) {
adamc@1011 2426 case '\'':
adamc@1011 2427 if (uw_Estrings)
adamc@1011 2428 strcpy(s2, "\\'");
adamc@1011 2429 else
adamc@1011 2430 strcpy(s2, "''");
adamc@1011 2431 s2 += 2;
adamc@1011 2432 break;
adamc@1011 2433 case '\\':
adamc@1011 2434 if (uw_Estrings) {
adamc@1011 2435 strcpy(s2, "\\\\");
adamc@1011 2436 s2 += 2;
adamc@1011 2437 } else
adamc@1011 2438 *s2++ = '\\';
adamc@1011 2439 break;
adamc@1011 2440 default:
adamc@1150 2441 if (isprint((int)c))
adamc@1011 2442 *s2++ = c;
adamc@1011 2443 else if (uw_Estrings) {
adamc@1011 2444 sprintf(s2, "\\%03o", c);
adamc@1011 2445 s2 += 4;
adamc@1011 2446 }
adamc@1011 2447 else
adamc@1011 2448 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011 2449 }
adamc@1011 2450
adamc@1011 2451 *s2++ = '\'';
adamc@1011 2452 strcpy(s2, uw_sqlsuffixChar);
adamc@1011 2453 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011 2454 return r;
adamc@1011 2455 }
adamc@1011 2456
adamc@879 2457 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2458
adamc@737 2459 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2460 char *r, *s2;
adamc@737 2461 size_t i;
adamc@737 2462
adamc@879 2463 uw_check_heap(ctx, b.size * 5 + 3 + uw_Estrings + strlen(uw_sqlsuffixBlob));
adamc@737 2464
adamc@737 2465 r = s2 = ctx->heap.front;
adamc@879 2466 if (uw_Estrings)
adamc@879 2467 *s2++ = 'E';
adamc@737 2468 *s2++ = '\'';
adamc@737 2469
adamc@737 2470 for (i = 0; i < b.size; ++i) {
adamc@737 2471 char c = b.data[i];
adamc@737 2472
adamc@737 2473 switch (c) {
adamc@737 2474 case '\'':
adamc@885 2475 if (uw_Estrings)
adamc@885 2476 strcpy(s2, "\\'");
adamc@885 2477 else
adamc@885 2478 strcpy(s2, "''");
adamc@737 2479 s2 += 2;
adamc@737 2480 break;
adamc@737 2481 case '\\':
adamc@885 2482 if (uw_Estrings) {
adamc@885 2483 strcpy(s2, "\\\\\\\\");
adamc@885 2484 s2 += 4;
adamc@885 2485 } else
adamc@885 2486 *s2++ = '\\';
adamc@737 2487 break;
adamc@737 2488 default:
adamc@1150 2489 if (isprint((int)c))
adamc@737 2490 *s2++ = c;
adamc@879 2491 else if (uw_Estrings) {
adamc@737 2492 sprintf(s2, "\\\\%03o", c);
adamc@737 2493 s2 += 5;
adamc@737 2494 }
adamc@879 2495 else
adamc@879 2496 uw_error(ctx, FATAL, "Non-printable character %u in blob to SQLify", c);
adamc@737 2497 }
adamc@737 2498 }
adamc@737 2499
adamc@879 2500 *s2++ = '\'';
adamc@879 2501 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2502 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2503 return r;
adamc@737 2504 }
adamc@737 2505
adamc@682 2506 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2507 int len;
adamc@682 2508 char *r;
adamc@682 2509 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2510
adamc@682 2511 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2512 r = ctx->heap.front;
adamc@879 2513 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2514 ctx->heap.front += len+1;
adamc@682 2515 return r;
adamc@682 2516 }
adamc@682 2517
adamc@682 2518 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2519 int len;
adamc@682 2520 char *r;
adamc@682 2521 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2522
adamc@682 2523 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2524 r = ctx->heap.front;
adamc@682 2525 sprintf(r, "%lld%n", combo, &len);
adamc@682 2526 ctx->heap.front += len+1;
adamc@682 2527 return r;
adamc@682 2528 }
adamc@682 2529
adamc@879 2530 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2531
adamc@682 2532 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2533 int len;
adamc@682 2534 char *r;
adamc@682 2535
adamc@682 2536 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2537 r = ctx->heap.front;
adamc@879 2538 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2539 ctx->heap.front += len+1;
adamc@682 2540 return r;
adamc@682 2541 }
adamc@682 2542
adamc@682 2543 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2544 int len;
adamc@682 2545 char *r;
adamc@682 2546
adamc@682 2547 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2548 r = ctx->heap.front;
adamc@682 2549 sprintf(r, "%u%n", cli, &len);
adamc@682 2550 ctx->heap.front += len+1;
adamc@682 2551 return r;
adamc@682 2552 }
adamc@682 2553
adamc@467 2554 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2555 if (s == NULL)
adamc@467 2556 return "NULL";
adamc@467 2557 else
adamc@467 2558 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2559 }
adamc@467 2560
adamc@311 2561 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2562 if (b == uw_Basis_False)
adamc@281 2563 return "FALSE";
adamc@281 2564 else
adamc@281 2565 return "TRUE";
adamc@281 2566 }
adamc@282 2567
adamc@467 2568 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2569 if (b == NULL)
adamc@467 2570 return "NULL";
adamc@467 2571 else
adamc@467 2572 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2573 }
adamc@467 2574
adamc@439 2575 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2576 size_t len;
adamc@682 2577 char *r, *s;
adam@1392 2578 struct tm stm = {};
adam@1392 2579 stm.tm_isdst = -1;
adamc@682 2580
adam@1365 2581 if (localtime_r(&t.seconds, &stm)) {
adamc@682 2582 s = uw_malloc(ctx, TIMES_MAX);
adam@1364 2583 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1367 2584 if (t.microseconds) {
adam@1367 2585 r = uw_malloc(ctx, len + 21);
adam@1367 2586 sprintf(r, "'%s.%06u'::timestamp", s, t.microseconds);
adam@1367 2587 } else {
adam@1367 2588 r = uw_malloc(ctx, len + 14);
adam@1367 2589 sprintf(r, "'%s'::timestamp", s);
adam@1367 2590 }
adamc@682 2591 return r;
adamc@682 2592 } else
adamc@682 2593 return "<Invalid time>";
adamc@682 2594 }
adamc@682 2595
adamc@682 2596 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2597 size_t len;
adamc@439 2598 char *r;
adam@1392 2599 struct tm stm = {};
adam@1392 2600 stm.tm_isdst = -1;
adamc@439 2601
adam@1365 2602 if (localtime_r(&t.seconds, &stm)) {
adamc@439 2603 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2604 r = ctx->heap.front;
adamc@439 2605 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2606 ctx->heap.front += len+1;
adamc@439 2607 return r;
adamc@439 2608 } else
adamc@439 2609 return "<Invalid time>";
adamc@439 2610 }
adamc@439 2611
adam@1364 2612 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364 2613 size_t len;
adam@1364 2614 char *r;
adam@1392 2615 struct tm stm = {};
adam@1392 2616 stm.tm_isdst = -1;
adam@1364 2617
adam@1365 2618 if (localtime_r(&t.seconds, &stm)) {
adam@1364 2619 uw_check_heap(ctx, TIMES_MAX);
adam@1364 2620 r = ctx->heap.front;
adam@1365 2621 len = strftime(r, TIMES_MAX-7, TIME_FMT_PG, &stm);
adam@1365 2622 ctx->heap.front += len;
adam@1365 2623 sprintf(ctx->heap.front, ".%06u", t.microseconds);
adam@1365 2624 ctx->heap.front += 8;
adam@1364 2625 return r;
adam@1364 2626 } else
adam@1364 2627 return "<Invalid time>";
adam@1364 2628 }
adam@1364 2629
adamc@467 2630 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2631 if (t == NULL)
adamc@467 2632 return "NULL";
adamc@467 2633 else
adamc@467 2634 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2635 }
adamc@467 2636
adamc@311 2637 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2638 static uw_Basis_int true = 1;
adamc@311 2639 static uw_Basis_int false = 0;
adamc@282 2640
adamc@311 2641 if (b == uw_Basis_False)
adamc@282 2642 return (char *)&false;
adamc@282 2643 else
adamc@282 2644 return (char *)&true;
adamc@282 2645 }
adamc@284 2646
adamc@311 2647 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2648 int len;
adamc@284 2649 char *r;
adamc@284 2650
adamc@311 2651 uw_check_heap(ctx, INTS_MAX);
adamc@666 2652 r = ctx->heap.front;
adamc@284 2653 sprintf(r, "%lld%n", n, &len);
adamc@666 2654 ctx->heap.front += len+1;
adamc@284 2655 return r;
adamc@284 2656 }
adamc@285 2657
adamc@311 2658 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2659 int len;
adamc@285 2660 char *r;
adamc@285 2661
adamc@311 2662 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2663 r = ctx->heap.front;
adamc@285 2664 sprintf(r, "%g%n", n, &len);
adamc@666 2665 ctx->heap.front += len+1;
adamc@285 2666 return r;
adamc@285 2667 }
adamc@285 2668
adamc@821 2669 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2670 char *r = uw_malloc(ctx, 2);
adamc@821 2671 r[0] = ch;
adamc@821 2672 r[1] = 0;
adamc@821 2673 return r;
adamc@821 2674 }
adamc@821 2675
adamc@311 2676 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2677 if (b == uw_Basis_False)
adamc@285 2678 return "False";
adamc@285 2679 else
adamc@285 2680 return "True";
adamc@285 2681 }
adamc@288 2682
adamc@436 2683 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adamc@436 2684 size_t len;
adamc@436 2685 char *r;
adam@1392 2686 struct tm stm = {};
adam@1392 2687 stm.tm_isdst = -1;
adamc@436 2688
adam@1365 2689 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2690 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2691 r = ctx->heap.front;
adamc@436 2692 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2693 ctx->heap.front += len+1;
adamc@436 2694 return r;
adamc@436 2695 } else
adamc@436 2696 return "<Invalid time>";
adamc@436 2697 }
adamc@288 2698
adam@1359 2699 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352 2700 size_t len;
adam@1352 2701 char *r;
adam@1392 2702 struct tm stm = {};
adam@1392 2703 stm.tm_isdst = -1;
adam@1352 2704
adam@1365 2705 if (localtime_r(&t.seconds, &stm)) {
adam@1352 2706 uw_check_heap(ctx, TIMES_MAX);
adam@1352 2707 r = ctx->heap.front;
adam@1352 2708 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352 2709 ctx->heap.front += len+1;
adam@1352 2710 return r;
adam@1352 2711 } else
adam@1352 2712 return "<Invalid time>";
adam@1352 2713 }
adam@1352 2714
adamc@311 2715 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2716 char *endptr;
adamc@311 2717 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2718
adamc@288 2719 if (*s != '\0' && *endptr == '\0') {
adamc@311 2720 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2721 *r = n;
adamc@288 2722 return r;
adamc@288 2723 } else
adamc@288 2724 return NULL;
adamc@288 2725 }
adamc@289 2726
adamc@311 2727 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2728 char *endptr;
adamc@311 2729 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2730
adamc@289 2731 if (*s != '\0' && *endptr == '\0') {
adamc@311 2732 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2733 *r = n;
adamc@289 2734 return r;
adamc@289 2735 } else
adamc@289 2736 return NULL;
adamc@289 2737 }
adamc@289 2738
adamc@821 2739 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2740 if (s[0] == 0) {
adamc@821 2741 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2742 r[0] = 0;
adamc@821 2743 return r;
adamc@821 2744 } else if (s[1] != 0)
adamc@821 2745 return NULL;
adamc@821 2746 else {
adamc@821 2747 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2748 r[0] = s[0];
adamc@821 2749 return r;
adamc@821 2750 }
adamc@821 2751 }
adamc@821 2752
adamc@311 2753 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2754 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2755 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2756
adamc@289 2757 if (!strcasecmp (s, "True"))
adamc@289 2758 return &true;
adamc@289 2759 else if (!strcasecmp (s, "False"))
adamc@289 2760 return &false;
adamc@289 2761 else
adamc@289 2762 return NULL;
adamc@289 2763 }
adamc@292 2764
adamc@436 2765 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2766 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1374 2767 struct tm stm = {};
adam@1392 2768 stm.tm_isdst = -1;
adamc@436 2769
adamc@439 2770 if (dot) {
adamc@439 2771 *dot = 0;
adamc@439 2772 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2773 *dot = '.';
adamc@439 2774 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2775 r->seconds = mktime(&stm);
adam@1365 2776 r->microseconds = 0;
adamc@439 2777 return r;
adamc@439 2778 }
adamc@439 2779 else {
adamc@439 2780 *dot = '.';
adamc@439 2781 return NULL;
adamc@439 2782 }
adamc@436 2783 }
adamc@439 2784 else {
adamc@439 2785 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2786 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2787 r->seconds = mktime(&stm);
adam@1365 2788 r->microseconds = 0;
adamc@439 2789 return r;
adamc@439 2790 }
adamc@439 2791 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2792 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2793 r->seconds = mktime(&stm);
adam@1365 2794 r->microseconds = 0;
adamc@439 2795 return r;
adamc@439 2796 }
adamc@439 2797 else
adamc@439 2798 return NULL;
adamc@439 2799 }
adamc@436 2800 }
adamc@436 2801
adam@1352 2802 uw_Basis_time *uw_Basis_stringToTimef(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2803 char *end = strchr(s, 0);
adam@1374 2804 struct tm stm = {};
adam@1392 2805 stm.tm_isdst = -1;
adam@1352 2806
adam@1352 2807 if (strptime(s, fmt, &stm) == end) {
adam@1352 2808 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2809 r->seconds = mktime(&stm);
adam@1365 2810 r->microseconds = 0;
adam@1352 2811 return r;
adam@1352 2812 }
adam@1352 2813 else
adam@1352 2814 return NULL;
adam@1352 2815 }
adam@1352 2816
adamc@311 2817 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 2818 char *endptr;
adamc@311 2819 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 2820
adamc@292 2821 if (*s != '\0' && *endptr == '\0')
adamc@292 2822 return n;
adamc@292 2823 else
adam@1444 2824 uw_error(ctx, FATAL, "Can't parse int: %s", uw_Basis_htmlifyString(ctx, s));
adamc@292 2825 }
adamc@293 2826
adamc@682 2827 #include <errno.h>
adamc@682 2828
adamc@678 2829 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 2830 unsigned long long n;
adamc@682 2831
adamc@682 2832 if (sscanf(s, "%llu", &n) < 1)
adam@1444 2833 uw_error(ctx, FATAL, "Can't parse channel: %s", uw_Basis_htmlifyString(ctx, s));
adamc@682 2834 else {
adamc@682 2835 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 2836 return ch;
adamc@682 2837 }
adamc@682 2838 }
adamc@682 2839
adamc@682 2840 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 2841 char *endptr;
adamc@682 2842 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 2843
adamc@678 2844 if (*s != '\0' && *endptr == '\0')
adamc@678 2845 return n;
adamc@678 2846 else
adam@1444 2847 uw_error(ctx, FATAL, "Can't parse client: %s", uw_Basis_htmlifyString(ctx, s));
adamc@678 2848 }
adamc@678 2849
adamc@311 2850 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 2851 char *endptr;
adamc@311 2852 uw_Basis_float n = strtod(s, &endptr);
adamc@293 2853
adamc@293 2854 if (*s != '\0' && *endptr == '\0')
adamc@293 2855 return n;
adamc@293 2856 else
adam@1444 2857 uw_error(ctx, FATAL, "Can't parse float: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 2858 }
adamc@293 2859
adamc@821 2860 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 2861 if (s[0] == 0)
adamc@821 2862 return 0;
adamc@821 2863 else if (s[1] != 0)
adam@1444 2864 uw_error(ctx, FATAL, "Can't parse char: %s", uw_Basis_htmlifyString(ctx, s));
adamc@821 2865 else
adamc@821 2866 return s[0];
adamc@821 2867 }
adamc@821 2868
adamc@311 2869 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 2870 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 2871 return uw_Basis_True;
adamc@296 2872 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 2873 return uw_Basis_False;
adamc@293 2874 else
adam@1444 2875 uw_error(ctx, FATAL, "Can't parse bool: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 2876 }
adamc@436 2877
adam@1352 2878 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352 2879 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1352 2880 struct tm stm = {};
adam@1392 2881 stm.tm_isdst = -1;
adam@1352 2882
adam@1352 2883 if (dot) {
adam@1352 2884 *dot = 0;
adam@1352 2885 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352 2886 *dot = '.';
adam@1410 2887 char usec[] = "000000";
adam@1410 2888 int len = strlen(dot+1);
adam@1410 2889 memcpy(usec, dot+1, len < 6 ? len : 6);
adam@1410 2890 uw_Basis_time r = { mktime(&stm), atoi(usec) };
adam@1365 2891 return r;
adam@1352 2892 }
adam@1352 2893 else {
adam@1352 2894 *dot = '.';
adam@1444 2895 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 2896 }
adam@1352 2897 }
adam@1352 2898 else {
adam@1352 2899 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 2900 uw_Basis_time r = { mktime(&stm) };
adam@1365 2901 return r;
adam@1352 2902 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 2903 uw_Basis_time r = { mktime(&stm) };
adam@1365 2904 return r;
adam@1352 2905 } else
adam@1444 2906 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 2907 }
adam@1352 2908 }
adam@1352 2909
adamc@436 2910 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 2911 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2912 struct tm stm = {};
adam@1392 2913 stm.tm_isdst = -1;
adamc@436 2914
adamc@438 2915 if (dot) {
adamc@438 2916 *dot = 0;
adamc@438 2917 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 2918 *dot = '.';
adam@1365 2919 {
adam@1365 2920 uw_Basis_time r = { mktime(&stm) };
adam@1365 2921 return r;
adam@1365 2922 }
adamc@438 2923 }
adamc@438 2924 else {
adamc@438 2925 *dot = '.';
adam@1444 2926 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 2927 }
adamc@438 2928 }
adamc@438 2929 else {
adam@1365 2930 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 2931 uw_Basis_time r = { mktime(&stm) };
adam@1365 2932 return r;
adam@1365 2933 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 2934 uw_Basis_time r = { mktime(&stm) };
adam@1365 2935 return r;
adam@1365 2936 } else
adam@1444 2937 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 2938 }
adamc@436 2939 }
adamc@457 2940
adam@1352 2941 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2942 char *end = strchr(s, 0);
adamc@939 2943 struct tm stm = {};
adam@1392 2944 stm.tm_isdst = -1;
adamc@939 2945
adam@1365 2946 if (strptime(s, fmt, &stm) == end) {
adam@1365 2947 uw_Basis_time r = { mktime(&stm) };
adam@1365 2948 return r;
adam@1365 2949 } else
adam@1444 2950 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@939 2951 }
adamc@939 2952
adamc@742 2953 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 2954 char *r = ctx->heap.front;
adamc@742 2955 uw_Basis_blob b = {len, r};
adamc@742 2956
adamc@742 2957 uw_check_heap(ctx, len);
adamc@742 2958
adamc@742 2959 while (*s) {
adamc@742 2960 if (s[0] == '\\') {
adamc@742 2961 if (s[1] == '\\') {
adamc@742 2962 *r++ = '\\';
adamc@742 2963 s += 2;
adamc@1153 2964 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adamc@742 2965 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adamc@742 2966 s += 4;
adamc@742 2967 }
adamc@742 2968 else {
adamc@742 2969 *r++ = '\\';
adamc@742 2970 ++s;
adamc@742 2971 }
adamc@742 2972 } else {
adamc@742 2973 *r++ = s[0];
adamc@742 2974 ++s;
adamc@742 2975 }
adamc@742 2976 }
adamc@742 2977
adamc@742 2978 b.size = r - ctx->heap.front;
adamc@742 2979 ctx->heap.front = r;
adamc@742 2980 return b;
adamc@742 2981 }
adamc@742 2982
adam@1402 2983 #define THE_PAST "expires=Sat, 01-Jan-2011 00:00:00 GMT"
adamc@1052 2984
adamc@463 2985 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 2986 int len = strlen(c);
adamc@854 2987 char *p = ctx->outHeaders.start;
adamc@474 2988
adamc@1134 2989 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474 2990 char *p2;
adamc@474 2991 p += 13;
adamc@474 2992 p2 = strchr(p, '=');
adamc@474 2993
adamc@474 2994 if (p2) {
adamc@474 2995 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 2996
adamc@474 2997 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052 2998 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052 2999 return NULL;
adamc@1052 3000 else {
adamc@1052 3001 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052 3002 memcpy(ret, p2+1, sz);
adamc@1052 3003 ret[sz] = 0;
adamc@1052 3004 return ret;
adamc@1052 3005 }
adamc@474 3006 }
adamc@474 3007 }
adamc@474 3008 }
adamc@463 3009
adamc@1134 3010 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051 3011 char *p2;
adamc@1051 3012
adamc@854 3013 while (1) {
adamc@1051 3014 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134 3015 if ((p2 = strchr(p, ';'))) {
adamc@1051 3016 size_t n = p2 - (p + len);
adamc@1051 3017 char *r = uw_malloc(ctx, n);
adamc@1051 3018 memcpy(r, p + 1 + len, n-1);
adamc@1051 3019 r[n-1] = 0;
adamc@1051 3020 return r;
adamc@1051 3021 } else
adamc@1051 3022 return p + 1 + len;
adamc@1134 3023 } else if ((p = strchr(p, ';')))
adamc@854 3024 p += 2;
adamc@463 3025 else
adamc@463 3026 return NULL;
adamc@463 3027 }
adamc@463 3028 }
adamc@792 3029
adamc@792 3030 return NULL;
adamc@457 3031 }
adamc@462 3032
adamc@1050 3033 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 3034 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 3035 uw_write_header(ctx, c);
adamc@462 3036 uw_write_header(ctx, "=");
adamc@462 3037 uw_write_header(ctx, v);
adamc@466 3038 uw_write_header(ctx, "; path=");
adamc@466 3039 uw_write_header(ctx, prefix);
adamc@1050 3040 if (expires) {
adamc@1050 3041 char formatted[30];
adam@1392 3042 struct tm tm = {};
adam@1392 3043 tm.tm_isdst = -1;
adamc@1050 3044
adam@1365 3045 gmtime_r(&expires->seconds, &tm);
adamc@1050 3046
adamc@1050 3047 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050 3048
adamc@1050 3049 uw_write_header(ctx, "; expires=");
adamc@1050 3050 uw_write_header(ctx, formatted);
adamc@1050 3051 }
adamc@1050 3052 if (secure)
adamc@1050 3053 uw_write_header(ctx, "; secure");
adamc@462 3054 uw_write_header(ctx, "\r\n");
adamc@462 3055
adamc@462 3056 return uw_unit_v;
adamc@462 3057 }
adamc@667 3058
adamc@1050 3059 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050 3060 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050 3061 uw_write_header(ctx, c);
adamc@1050 3062 uw_write_header(ctx, "=; path=");
adamc@1050 3063 uw_write_header(ctx, prefix);
adamc@1052 3064 uw_write_header(ctx, "; " THE_PAST "\r\n");
adamc@1050 3065
adamc@1050 3066 return uw_unit_v;
adamc@1050 3067 }
adamc@1050 3068
adamc@1113 3069 size_t uw_deltas_max = SIZE_MAX;
adamc@1113 3070
adamc@682 3071 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 3072 unsigned i;
adamc@682 3073 delta *d;
adamc@671 3074
adamc@682 3075 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 3076 if (ctx->deltas[i].client == client)
adamc@682 3077 return &ctx->deltas[i];
adamc@671 3078
adamc@682 3079 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113 3080 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113 3081 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113 3082
adamc@682 3083 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adam@1369 3084 uw_buffer_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 3085 }
adamc@671 3086
adamc@682 3087 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 3088 d->client = client;
adam@1369 3089 uw_buffer_reset(&d->msgs);
adamc@682 3090 return d;
adamc@671 3091 }
adamc@671 3092
adamc@668 3093 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 3094 if (ctx->client == NULL)
adamc@682 3095 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 3096
adamc@682 3097 return new_channel(ctx->client);
adamc@668 3098 }
adamc@668 3099
adamc@668 3100 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 3101 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 3102 size_t len;
adamc@682 3103 int preLen;
adamc@682 3104 char pre[INTS_MAX + 2];
adamc@668 3105
adamc@682 3106 len = strlen(msg);
adamc@682 3107
adamc@682 3108 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 3109
adam@1369 3110 ctx_uw_buffer_append(ctx, "messages", &d->msgs, pre, preLen);
adam@1369 3111 ctx_uw_buffer_append(ctx, "messages", &d->msgs, msg, len);
adam@1369 3112 ctx_uw_buffer_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671 3113
adamc@671 3114 return uw_unit_v;
adamc@668 3115 }
adamc@671 3116
adam@1327 3117 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131 3118 int i;
adamc@1131 3119 cleanup *cl;
adamc@1131 3120
adamc@1131 3121 if (ctx->client)
adamc@1131 3122 release_client(ctx->client);
adamc@1131 3123
adamc@1131 3124 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131 3125 cl->func(cl->arg);
adamc@1131 3126
adamc@1131 3127 ctx->cleanup_front = ctx->cleanup;
adamc@1131 3128
adamc@1131 3129 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3130 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3131 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131 3132
adamc@1131 3133 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3134 if (ctx->transactionals[i].free)
adam@1327 3135 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131 3136
adamc@1144 3137 return ctx->app ? ctx->app->db_rollback(ctx) : 0;
adamc@1131 3138 }
adamc@1131 3139
adamc@671 3140 void uw_commit(uw_context ctx) {
adamc@1104 3141 int i;
adamc@1104 3142
adamc@1131 3143 if (uw_has_error(ctx)) {
adam@1327 3144 uw_rollback(ctx, 0);
adamc@1131 3145 return;
adamc@1131 3146 }
adamc@1131 3147
adamc@1104 3148 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3149 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3150 if (ctx->transactionals[i].commit) {
adamc@1083 3151 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3152 if (uw_has_error(ctx)) {
adam@1327 3153 uw_rollback(ctx, 0);
adamc@1131 3154 return;
adamc@1131 3155 }
adamc@1131 3156 }
adamc@771 3157
adamc@1104 3158 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3159 if (ctx->transactionals[i].rollback == NULL)
adamc@1131 3160 if (ctx->transactionals[i].commit) {
adamc@1083 3161 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3162 if (uw_has_error(ctx)) {
adam@1327 3163 uw_rollback(ctx, 0);
adamc@1131 3164 return;
adamc@1131 3165 }
adamc@1131 3166 }
adamc@1131 3167
adamc@1131 3168 if (ctx->app->db_commit(ctx)) {
adamc@1131 3169 uw_set_error_message(ctx, "Error running SQL COMMIT");
adamc@1131 3170 return;
adamc@1131 3171 }
adamc@682 3172
adamc@682 3173 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 3174 delta *d = &ctx->deltas[i];
adamc@682 3175 client *c = find_client(d->client);
adamc@682 3176
adamc@682 3177 assert (c != NULL && c->mode == USED);
adamc@682 3178
adam@1447 3179 client_send(c, &d->msgs, ctx->script.start, uw_buffer_used(&ctx->script));
adamc@682 3180 }
adamc@682 3181
adamc@682 3182 if (ctx->client)
adamc@685 3183 release_client(ctx->client);
adamc@771 3184
adamc@1104 3185 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083 3186 if (ctx->transactionals[i].free)
adam@1327 3187 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916 3188
adam@1413 3189 if (*ctx->page.front)
adam@1413 3190 uw_writec(ctx, 0);
adam@1413 3191
adamc@916 3192 // Splice script data into appropriate part of page
adamc@1065 3193 if (ctx->returning_indirectly || ctx->script_header[0] == 0) {
adamc@995 3194 char *start = strstr(ctx->page.start, "<sc>");
adamc@995 3195 if (start) {
adam@1369 3196 memmove(start, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 4);
adamc@995 3197 ctx->page.front -= 4;
adamc@995 3198 }
adam@1369 3199 } else if (uw_buffer_used(&ctx->script) == 0) {
adamc@916 3200 size_t len = strlen(ctx->script_header);
adamc@916 3201 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 3202 if (start) {
adam@1369 3203 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) - 4 + len);
adamc@917 3204 start = strstr(ctx->page.start, "<sc>");
adam@1369 3205 memmove(start + len, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 3206 ctx->page.front += len - 4;
adamc@916 3207 memcpy(start, ctx->script_header, len);
adamc@916 3208 }
adamc@916 3209 } else {
adam@1369 3210 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adamc@916 3211 size_t lenP = lenH + 40 + len;
adamc@916 3212 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 3213 if (start) {
adam@1369 3214 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) - 4 + lenP);
adamc@917 3215 start = strstr(ctx->page.start, "<sc>");
adam@1369 3216 memmove(start + lenP, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 3217 ctx->page.front += lenP - 4;
adamc@916 3218 memcpy(start, ctx->script_header, lenH);
adamc@916 3219 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adamc@916 3220 memcpy(start + lenH + 31, ctx->script.start, len);
adamc@916 3221 memcpy(start + lenH + 31 + len, "</script>", 9);
adamc@916 3222 }
adamc@916 3223 }
adamc@671 3224 }
adamc@671 3225
adamc@683 3226
adamc@1113 3227 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113 3228
adamc@771 3229 void uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327 3230 uw_callback_with_retry free) {
adamc@771 3231 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113 3232 if (ctx->used_transactionals+1 > uw_transactionals_max)
adamc@1113 3233 uw_error(ctx, FATAL, "Exceeded limit on number of transactionals");
adamc@1084 3234 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771 3235 ++ctx->n_transactionals;
adamc@771 3236 }
adamc@771 3237
adamc@771 3238 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 3239 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 3240 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 3241 ctx->transactionals[ctx->used_transactionals++].free = free;
adamc@771 3242 }
adamc@771 3243
adamc@683 3244
adamc@683 3245 // "Garbage collection"
adamc@683 3246
adamc@1121 3247 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121 3248 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121 3249
adamc@1121 3250 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683 3251 int r = setjmp(ctx->jmp_buf);
adamc@683 3252
adamc@1121 3253 if (r == 0)
adamc@1121 3254 uw_do_expunge(ctx, cli, data);
adamc@1121 3255 else
adamc@1121 3256 ctx->app->db_rollback(ctx);
adamc@1121 3257
adamc@1121 3258 uw_post_expunge(ctx, data);
adamc@683 3259
adamc@683 3260 return r;
adamc@683 3261 }
adamc@683 3262
adamc@683 3263 void uw_prune_clients(uw_context ctx) {
adamc@683 3264 client *c, *next, *prev = NULL;
adamc@683 3265 time_t cutoff;
adamc@683 3266
adamc@1094 3267 cutoff = time(NULL) - ctx->app->timeout;
adamc@683 3268
adamc@683 3269 pthread_mutex_lock(&clients_mutex);
adamc@683 3270
adamc@683 3271 for (c = clients_used; c; c = next) {
adamc@683 3272 next = c->next;
adamc@683 3273 pthread_mutex_lock(&c->lock);
adamc@685 3274 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 3275 failure_kind fk = UNLIMITED_RETRY;
adamc@683 3276 if (prev)
adamc@683 3277 prev->next = next;
adamc@683 3278 else
adamc@683 3279 clients_used = next;
adamc@684 3280 uw_reset(ctx);
adamc@683 3281 while (fk == UNLIMITED_RETRY) {
adamc@1121 3282 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121 3283 if (fk == UNLIMITED_RETRY)
adamc@684 3284 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 3285 }
adamc@684 3286 if (fk == SUCCESS)
adamc@684 3287 free_client(c);
adamc@1121 3288 else
adamc@856 3289 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683 3290 }
adamc@683 3291 else
adamc@683 3292 prev = c;
adamc@683 3293 pthread_mutex_unlock(&c->lock);
adamc@683 3294 }
adamc@683 3295
adamc@683 3296 pthread_mutex_unlock(&clients_mutex);
adamc@683 3297 }
adamc@687 3298
adamc@687 3299 failure_kind uw_initialize(uw_context ctx) {
adamc@687 3300 int r = setjmp(ctx->jmp_buf);
adamc@687 3301
adamc@687 3302 if (r == 0) {
adamc@1094 3303 if (ctx->app->db_begin(ctx))
adamc@687 3304 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@1094 3305 ctx->app->initializer(ctx);
adamc@1094 3306 if (ctx->app->db_commit(ctx))
adamc@687 3307 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 3308 }
adamc@687 3309
adamc@687 3310 return r;
adamc@687 3311 }
adamc@717 3312
adamc@1065 3313 static int url_bad(uw_Basis_string s) {
adamc@1065 3314 for (; *s; ++s)
adamc@1153 3315 if (!isgraph((int)*s))
adamc@1065 3316 return 1;
adamc@1065 3317
adamc@1065 3318 return 0;
adamc@1065 3319 }
adamc@1065 3320
adamc@717 3321 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065 3322 if (url_bad(s))
adamc@1065 3323 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094 3324 if (ctx->app->check_url(s))
adamc@770 3325 return s;
adamc@770 3326 else
adamc@770 3327 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 3328 }
adamc@734 3329
adamc@770 3330 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065 3331 if (url_bad(s))
adamc@1065 3332 return NULL;
adamc@1094 3333 if (ctx->app->check_url(s))
adamc@770 3334 return s;
adamc@770 3335 else
adamc@770 3336 return NULL;
adamc@770 3337 }
adamc@770 3338
adamc@770 3339 int mime_format(const char *s) {
adamc@770 3340 for (; *s; ++s)
adamc@1153 3341 if (!isalnum((int)*s) && *s != '/' && *s != '-' && *s != '.')
adamc@770 3342 return 0;
adamc@770 3343
adamc@770 3344 return 1;
adamc@770 3345 }
adamc@770 3346
adamc@741 3347 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3348 if (!mime_format(s))
adamc@770 3349 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 3350
adamc@1094 3351 if (ctx->app->check_mime(s))
adamc@770 3352 return s;
adamc@770 3353 else
adamc@770 3354 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 3355 }
adamc@770 3356
adamc@770 3357 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3358 if (!mime_format(s))
adamc@770 3359 return NULL;
adamc@770 3360
adamc@1094 3361 if (ctx->app->check_mime(s))
adamc@770 3362 return s;
adamc@770 3363 else
adamc@770 3364 return NULL;
adamc@741 3365 }
adamc@741 3366
adamc@734 3367 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 3368 return s ? s : "";
adamc@734 3369 }
adamc@734 3370
adamc@734 3371 extern int uw_hash_blocksize;
adamc@734 3372
adamc@734 3373 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 3374 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 3375 int i;
adamc@734 3376
adamc@734 3377 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 3378 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 3379
adamc@734 3380 return r;
adamc@734 3381 }
adamc@734 3382
adamc@734 3383 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adamc@1094 3384 return ctx->app->cookie_sig(ctx);
adamc@734 3385 }
adamc@737 3386
adamc@737 3387 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 3388 return f.name;
adamc@737 3389 }
adamc@737 3390
adamc@740 3391 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 3392 return f.type;
adamc@740 3393 }
adamc@740 3394
adamc@745 3395 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 3396 return b.size;
adamc@745 3397 }
adamc@745 3398
adamc@1119 3399 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119 3400 uw_Basis_blob b = {strlen(s), s};
adamc@1119 3401
adamc@1119 3402 return b;
adamc@1119 3403 }
adamc@1119 3404
adamc@737 3405 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 3406 return f.data;
adamc@737 3407 }
adamc@741 3408
adam@1347 3409 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3410 return pb.type;
adam@1347 3411 }
adam@1347 3412
adam@1347 3413 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3414 return pb.data;
adam@1347 3415 }
adam@1347 3416
adamc@741 3417 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 3418 cleanup *cl;
adamc@741 3419 int len;
adamc@741 3420
adamc@1065 3421 ctx->returning_indirectly = 1;
adam@1369 3422 uw_buffer_reset(&ctx->outHeaders);
adam@1369 3423 uw_buffer_reset(&ctx->page);
adamc@741 3424
adamc@856 3425 uw_write_header(ctx, on_success);
adamc@856 3426 uw_write_header(ctx, "Content-Type: ");
adamc@741 3427 uw_write_header(ctx, mimeType);
adamc@741 3428 uw_write_header(ctx, "\r\nContent-Length: ");
adam@1369 3429 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134 3430 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741 3431 ctx->outHeaders.front += len;
adamc@1066 3432 uw_write_header(ctx, "\r\n");
adamc@741 3433
adam@1369 3434 ctx_uw_buffer_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741 3435
adamc@741 3436 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 3437 cl->func(cl->arg);
adamc@741 3438
adamc@741 3439 ctx->cleanup_front = ctx->cleanup;
adamc@741 3440
adamc@1065 3441 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065 3442 }
adamc@1065 3443
adamc@1065 3444 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065 3445 cleanup *cl;
adamc@1066 3446 char *s;
adamc@1065 3447
adamc@1065 3448 ctx->returning_indirectly = 1;
adam@1369 3449 uw_buffer_reset(&ctx->page);
adam@1369 3450 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->outHeaders)+1);
adam@1369 3451 memcpy(ctx->page.start, ctx->outHeaders.start, uw_buffer_used(&ctx->outHeaders));
adam@1369 3452 ctx->page.start[uw_buffer_used(&ctx->outHeaders)] = 0;
adam@1369 3453 uw_buffer_reset(&ctx->outHeaders);
adamc@1065 3454
adam@1409 3455 if (on_success[0])
adam@1409 3456 uw_write_header(ctx, on_redirect);
adam@1409 3457 else
adam@1409 3458 uw_write_header(ctx, "Status: 303 See Other\r\n");
adam@1409 3459 s = on_success[0] ? strchr(ctx->page.start, '\n') : ctx->page.start;
adamc@1066 3460 if (s) {
adamc@1066 3461 char *s2;
adam@1409 3462 if (s[0] == '\n') ++s;
adam@1409 3463 for (; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066 3464 *s2 = 0;
adamc@1066 3465 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066 3466 uw_write_header(ctx, s);
adamc@1066 3467 uw_write_header(ctx, "\n");
adamc@1066 3468 }
adamc@1066 3469 }
adamc@1066 3470 }
adamc@1066 3471
adamc@1065 3472 uw_write_header(ctx, "Location: ");
adamc@1065 3473 uw_write_header(ctx, url);
adamc@1065 3474 uw_write_header(ctx, "\r\n\r\n");
adamc@1065 3475
adamc@1065 3476 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065 3477 cl->func(cl->arg);
adamc@1065 3478
adamc@1065 3479 ctx->cleanup_front = ctx->cleanup;
adamc@1065 3480
adamc@1065 3481 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741 3482 }
adamc@874 3483
adamc@874 3484 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adamc@874 3485 uw_Basis_string r = uw_malloc(ctx, strlen(s) + 1);
adamc@874 3486
adamc@874 3487 for (; *s; ++s) {
adamc@874 3488 if (s[0] == '\'') {
adamc@874 3489 *r++ = '\'';
adamc@874 3490 for (++s; *s; ++s) {
adamc@874 3491 if (s[0] == '\'') {
adamc@874 3492 *r++ = '\'';
adamc@874 3493 break;
adamc@874 3494 } else if (s[0] == '\\') {
adamc@874 3495 if (s[1] == '\\') {
adamc@874 3496 *r++ = '\\';
adamc@874 3497 *r++ = '\\';
adamc@874 3498 ++s;
adamc@874 3499 } else if (s[1] == '\'') {
adamc@874 3500 *r++ = '\\';
adamc@874 3501 *r++ = '\'';
adamc@874 3502 ++s;
adamc@874 3503 } else
adamc@874 3504 *r++ = '\'';
adamc@874 3505 } else
adamc@874 3506 *r++ = s[0];
adamc@874 3507 }
adamc@874 3508 if (*s == 0) break;
adamc@874 3509 } else if (s[0] == 'T' && s[1] == '.')
adamc@874 3510 ++s;
adamc@874 3511 else
adamc@874 3512 *r++ = s[0];
adamc@874 3513 }
adamc@874 3514
adamc@874 3515 return r;
adamc@874 3516 }
adamc@874 3517
adamc@922 3518 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922 3519 va_list ap;
adamc@922 3520 size_t len = 1;
adamc@922 3521 char *s, *r, *s2;
adamc@922 3522
adamc@922 3523 va_start(ap, ctx);
adamc@922 3524 for (s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3525 len += strlen(s);
adamc@922 3526 va_end(ap);
adamc@922 3527
adamc@922 3528 r = uw_malloc(ctx, len);
adamc@922 3529 va_start(ap, ctx);
adamc@922 3530 for (s2 = r, s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3531 while (*s)
adamc@922 3532 *s2++ = *s++;
adamc@922 3533 va_end(ap);
adamc@922 3534 *s2 = 0;
adamc@922 3535
adamc@922 3536 return r;
adamc@922 3537 }
adamc@1006 3538
adam@1365 3539 const uw_Basis_time uw_Basis_minTime = {};
adamc@1050 3540
adamc@1006 3541 uw_Basis_time uw_Basis_now(uw_context ctx) {
adam@1365 3542 uw_Basis_time r = { time(NULL) };
adam@1365 3543 return r;
adamc@1006 3544 }
adamc@1061 3545
adam@1369 3546 uw_Basis_time uw_Basis_addSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adam@1369 3547 tm.seconds += n;
adam@1365 3548 return tm;
adamc@1138 3549 }
adamc@1138 3550
adamc@1061 3551 void *uw_get_global(uw_context ctx, char *name) {
adamc@1061 3552 int i;
adamc@1061 3553
adamc@1061 3554 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3555 if (!strcmp(name, ctx->globals[i].name))
adamc@1061 3556 return ctx->globals[i].data;
adamc@1061 3557
adamc@1061 3558 return NULL;
adamc@1061 3559 }
adamc@1061 3560
adamc@1113 3561 size_t uw_globals_max = SIZE_MAX;
adamc@1113 3562
adamc@1061 3563 void uw_set_global(uw_context ctx, char *name, void *data, void (*free)(void*)) {
adamc@1061 3564 int i;
adamc@1061 3565
adamc@1061 3566 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3567 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089 3568 if (ctx->globals[i].free)
adamc@1061 3569 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061 3570 ctx->globals[i].data = data;
adamc@1061 3571 ctx->globals[i].free = free;
adamc@1061 3572 return;
adamc@1061 3573 }
adamc@1089 3574
adamc@1113 3575 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113 3576 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113 3577
adamc@1061 3578 ++ctx->n_globals;
adamc@1061 3579 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061 3580 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061 3581 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061 3582 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061 3583 }
adamc@1061 3584
adamc@1061 3585 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153 3586 return !!isalnum((int)c);
adamc@1061 3587 }
adamc@1061 3588
adamc@1061 3589 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153 3590 return !!isalpha((int)c);
adamc@1061 3591 }
adamc@1061 3592
adamc@1061 3593 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153 3594 return !!isblank((int)c);
adamc@1061 3595 }
adamc@1061 3596
adamc@1061 3597 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153 3598 return !!iscntrl((int)c);
adamc@1061 3599 }
adamc@1061 3600
adamc@1061 3601 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3602 return !!isdigit((int)c);
adamc@1061 3603 }
adamc@1061 3604
adamc@1061 3605 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153 3606 return !!isgraph((int)c);
adamc@1061 3607 }
adamc@1061 3608
adamc@1061 3609 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3610 return !!islower((int)c);
adamc@1061 3611 }
adamc@1061 3612
adamc@1061 3613 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153 3614 return !!isprint((int)c);
adamc@1061 3615 }
adamc@1061 3616
adamc@1061 3617 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153 3618 return !!ispunct((int)c);
adamc@1061 3619 }
adamc@1061 3620
adamc@1061 3621 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153 3622 return !!isspace((int)c);
adamc@1061 3623 }
adamc@1063 3624
adamc@1061 3625 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3626 return !!isupper((int)c);
adamc@1061 3627 }
adamc@1061 3628
adamc@1061 3629 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3630 return !!isxdigit((int)c);
adamc@1061 3631 }
adamc@1061 3632
adamc@1061 3633 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3634 return tolower((int)c);
adamc@1061 3635 }
adamc@1061 3636
adamc@1061 3637 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3638 return toupper((int)c);
adamc@1061 3639 }
adamc@1066 3640
adamc@1128 3641 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128 3642 return (unsigned char)c;
adamc@1128 3643 }
adamc@1128 3644
adamc@1128 3645 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128 3646 return n;
adamc@1128 3647 }
adamc@1128 3648
adamc@1066 3649 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066 3650 return ctx->current_url;
adamc@1066 3651 }
adamc@1066 3652
adamc@1066 3653 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066 3654 ctx->current_url = s;
adamc@1066 3655 }
adamc@1114 3656
adamc@1114 3657 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114 3658 ctx->deadline = n;
adamc@1114 3659 }
adamc@1114 3660
adamc@1114 3661 void uw_check_deadline(uw_context ctx) {
adamc@1114 3662 if (uw_time > ctx->deadline)
adamc@1114 3663 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114 3664 }
adamc@1115 3665
adamc@1115 3666 size_t uw_database_max = SIZE_MAX;
adamc@1120 3667
adam@1389 3668 uw_Basis_int uw_Basis_naughtyDebug(uw_context ctx, uw_Basis_string s) {
adam@1389 3669 fprintf(stderr, "%s\n", s);
adam@1389 3670 return 0;
adam@1389 3671 }
adam@1389 3672
adamc@1120 3673 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
adam@1334 3674 if (ctx->log_debug)
adam@1334 3675 ctx->log_debug(ctx->logger_data, "%s\n", s);
adam@1334 3676 else
adam@1334 3677 fprintf(stderr, "%s\n", s);
adamc@1120 3678 return uw_unit_v;
adamc@1120 3679 }
adamc@1250 3680
adamc@1250 3681 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adamc@1250 3682 uw_Basis_int n = abs(rand());
adamc@1250 3683 return n;
adamc@1250 3684 }
adam@1347 3685
adam@1347 3686 void uw_noPostBody(uw_context ctx) {
adam@1347 3687 ctx->hasPostBody = 0;
adam@1347 3688 }
adam@1347 3689
adam@1347 3690 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3691 ctx->hasPostBody = 1;
adam@1347 3692 ctx->postBody = pb;
adam@1347 3693 }
adam@1347 3694
adam@1347 3695 int uw_hasPostBody(uw_context ctx) {
adam@1347 3696 return ctx->hasPostBody;
adam@1347 3697 }
adam@1347 3698
adam@1386 3699 void uw_isPost(uw_context ctx) {
adam@1386 3700 ctx->isPost = 1;
adam@1386 3701 }
adam@1386 3702
adam@1386 3703 uw_Basis_bool uw_Basis_currentUrlHasPost(uw_context ctx) {
adam@1386 3704 return ctx->isPost;
adam@1386 3705 }
adam@1386 3706
adam@1370 3707 void uw_setQueryString(uw_context ctx, uw_Basis_string s) {
adam@1370 3708 ctx->queryString = s;
adam@1370 3709 }
adam@1370 3710
adam@1370 3711 uw_Basis_string uw_queryString(uw_context ctx) {
adam@1370 3712 return ctx->queryString;
adam@1370 3713 }
adam@1370 3714
adam@1347 3715 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347 3716 if (ctx->hasPostBody)
adam@1347 3717 return ctx->postBody;
adam@1347 3718 else
adam@1347 3719 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347 3720 }
adam@1349 3721
adam@1349 3722 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349 3723 int r = setjmp(ctx->jmp_buf);
adam@1349 3724
adam@1349 3725 if (r == 0) {
adam@1418 3726 if (ctx->app->db_begin(ctx))
adam@1418 3727 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1418 3728
adam@1349 3729 callback(ctx);
adam@1349 3730 }
adam@1349 3731
adam@1349 3732 return r;
adam@1349 3733 }
adam@1360 3734
adam@1360 3735 uw_Basis_string uw_Basis_crypt(uw_context ctx, uw_Basis_string key, uw_Basis_string salt) {
adam@1397 3736 char buf[14];
adam@1397 3737 return uw_strdup(ctx, DES_fcrypt(key, salt, buf));
adam@1360 3738 }
adam@1365 3739
adam@1365 3740 uw_Basis_bool uw_Basis_eq_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3741 return !!(t1.seconds == t2.seconds && t1.microseconds == t2.microseconds);
adam@1365 3742 }
adam@1365 3743
adam@1365 3744 uw_Basis_bool uw_Basis_lt_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3745 return !!(t1.seconds < t2.seconds || t1.microseconds < t2.microseconds);
adam@1365 3746 }
adam@1365 3747
adam@1365 3748 uw_Basis_bool uw_Basis_le_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3749 return !!(uw_Basis_eq_time(ctx, t1, t2) || uw_Basis_lt_time(ctx, t1, t2));
adam@1365 3750 }
adam@1365 3751
adam@1374 3752 /*uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374 3753 uw_Basis_time *r = uw_Basis_stringToTime(ctx, s);
adam@1374 3754
adam@1374 3755 printf("timezone = %ld\n", timezone);
adam@1374 3756
adam@1374 3757 if (r)
adam@1374 3758 r->seconds -= timezone;
adam@1374 3759
adam@1374 3760 return r;
adam@1374 3761 }*/
adam@1374 3762
adam@1372 3763 uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374 3764 struct tm stm = {};
adam@1375 3765 char *end = strchr(s, 0);
adam@1392 3766 stm.tm_isdst = -1;
adam@1375 3767
adam@1375 3768 if (strptime(s, TIME_FMT_PG, &stm) == end || strptime(s, TIME_FMT, &stm) == end) {
adam@1373 3769 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1375 3770
adam@1375 3771 tzset();
adam@1374 3772 stm.tm_hour -= timezone / (60 * 60);
adam@1375 3773
adam@1374 3774 r->seconds = mktime(&stm);
adam@1373 3775 r->microseconds = 0;
adam@1373 3776
adam@1439 3777 localtime_r(&r->seconds, &stm);
adam@1439 3778 if (stm.tm_isdst == 1) {
adam@1439 3779 ++stm.tm_hour;
adam@1439 3780 r->seconds = mktime(&stm);
adam@1439 3781 }
adam@1439 3782
adam@1373 3783 return r;
adam@1374 3784 }
adam@1374 3785 else
adam@1373 3786 return NULL;
adam@1372 3787 }
adam@1407 3788
adam@1407 3789 static const char begin_xhtml[] = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">";
adam@1407 3790
adam@1407 3791 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1407 3792 int r = setjmp(ctx->jmp_buf);
adam@1407 3793
adam@1407 3794 if (ctx->app->on_error) {
adam@1407 3795 if (r == 0) {
adam@1407 3796 if (ctx->app->db_begin(ctx))
adam@1407 3797 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1407 3798
adam@1409 3799 uw_buffer_reset(&ctx->outHeaders);
adam@1409 3800 if (on_success[0])
adam@1409 3801 uw_write_header(ctx, "HTTP/1.1 ");
adam@1409 3802 else
adam@1409 3803 uw_write_header(ctx, "Status: ");
adam@1409 3804 uw_write_header(ctx, "500 Internal Server Error\r\n");
adam@1407 3805 uw_write_header(ctx, "Content-type: text/html\r\n\r\n");
adam@1407 3806 uw_write(ctx, begin_xhtml);
adam@1407 3807 ctx->app->on_error(ctx, msg);
adam@1407 3808 uw_write(ctx, "</html>");
adam@1407 3809 }
adam@1407 3810
adam@1407 3811 return r;
adam@1407 3812 } else
adam@1407 3813 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1407 3814 }