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annotate src/c/urweb.c @ 1445:6e6f1643c4e9

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To generate server-side source JavaScript, try both the old and new strategies; remove an unsound optimization from MonoOpt and make MonoReduce work harder to compensate
author Adam Chlipala <adam@chlipala.net>
date Mon, 28 Mar 2011 10:37:49 -0400
parents 0fc7b676b88b
children 36f7d1debb37
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@1369 314 static void client_send(client *c, uw_buffer *msg) {
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@1369 320 c->send(c->sock, msg->start, uw_buffer_used(msg));
adamc@863 321 c->close(c->sock);
adamc@682 322 c->sock = -1;
adam@1369 323 } else if (uw_buffer_append(&c->msgs, msg->start, uw_buffer_used(msg)))
adamc@1113 324 fprintf(stderr, "Client message buffer size exceeded");
adamc@671 325
adamc@685 326 pthread_mutex_unlock(&c->lock);
adamc@668 327 }
adamc@668 328
adamc@668 329
adamc@668 330 // Global entry points
adamc@668 331
adamc@1164 332 extern void uw_global_custom();
adamc@1104 333 extern void uw_init_crypto();
adamc@1104 334
adamc@668 335 void uw_global_init() {
adamc@668 336 srand(time(NULL) ^ getpid());
adamc@668 337
adamc@668 338 clients = malloc(0);
adamc@1104 339
adamc@1164 340 uw_global_custom();
adamc@1104 341 uw_init_crypto();
adamc@1094 342 }
adamc@1094 343
adamc@1094 344 void uw_app_init(uw_app *app) {
adamc@1094 345 app->client_init();
adamc@668 346 }
adamc@668 347
adam@1332 348 int uw_time = 0, uw_time_max = 0, uw_min_heap = 0;
adamc@1114 349
adamc@668 350
adamc@667 351 // Single-request state
adamc@667 352
adamc@323 353 typedef struct regions {
adamc@323 354 struct regions *next;
adamc@323 355 } regions;
adamc@323 356
adamc@425 357 typedef struct {
adamc@425 358 void (*func)(void*);
adamc@425 359 void *arg;
adamc@425 360 } cleanup;
adamc@425 361
adamc@671 362 typedef struct {
adamc@682 363 unsigned client;
adam@1369 364 uw_buffer msgs;
adamc@682 365 } delta;
adamc@671 366
adamc@737 367 typedef enum {
adamc@759 368 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737 369 } input_kind;
adamc@737 370
adamc@756 371 typedef struct input {
adamc@737 372 input_kind kind;
adamc@737 373 union {
adamc@737 374 char *normal;
adamc@739 375 uw_Basis_file file;
adamc@756 376 struct {
adamc@759 377 struct input *fields, *parent;
adamc@756 378 } subform;
adamc@759 379 struct {
adamc@759 380 struct input *entries, *parent;
adamc@759 381 } subforms;
adamc@759 382 struct {
adamc@759 383 struct input *fields, *next, *parent;
adamc@759 384 } entry;
adamc@737 385 } data;
adamc@737 386 } input;
adamc@737 387
adamc@771 388 typedef struct {
adamc@771 389 void *data;
adam@1327 390 uw_callback commit, rollback;
adam@1327 391 uw_callback_with_retry free;
adamc@771 392 } transactional;
adamc@771 393
adamc@1061 394 typedef struct {
adamc@1061 395 char *name;
adamc@1061 396 void *data;
adamc@1061 397 void (*free)(void*);
adamc@1061 398 } global;
adamc@1061 399
adamc@311 400 struct uw_context {
adamc@1094 401 uw_app *app;
adamc@1094 402
adamc@854 403 char *(*get_header)(void *, const char *);
adamc@854 404 void *get_header_data;
adamc@457 405
adam@1369 406 uw_buffer outHeaders, page, heap, script;
adamc@1065 407 int returning_indirectly;
adamc@759 408 input *inputs, *subinputs, *cur_container;
adamc@1094 409 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167 410
adamc@565 411 int source_count;
adamc@562 412
adamc@272 413 void *db;
adamc@272 414
adamc@167 415 jmp_buf jmp_buf;
adamc@167 416
adamc@323 417 regions *regions;
adamc@323 418
adamc@425 419 cleanup *cleanup, *cleanup_front, *cleanup_back;
adamc@425 420
adamc@1094 421 const char *script_header;
adamc@643 422
adamc@736 423 int needs_push, needs_sig;
adamc@693 424
adamc@682 425 size_t n_deltas, used_deltas;
adamc@682 426 delta *deltas;
adamc@671 427
adamc@682 428 client *client;
adamc@682 429
adamc@771 430 transactional *transactionals;
adamc@771 431 size_t n_transactionals, used_transactionals;
adamc@771 432
adamc@1061 433 global *globals;
adamc@1061 434 size_t n_globals;
adamc@1061 435
adamc@1066 436 char *current_url;
adamc@1066 437
adamc@1114 438 int deadline;
adamc@1114 439
adamc@1121 440 void *client_data;
adamc@1121 441
adam@1334 442 void *logger_data;
adam@1334 443 uw_logger log_debug;
adam@1334 444
adam@1386 445 int isPost, hasPostBody;
adam@1347 446 uw_Basis_postBody postBody;
adam@1370 447 uw_Basis_string queryString;
adam@1347 448
adamc@167 449 char error_message[ERROR_BUF_LEN];
adamc@117 450 };
adamc@117 451
adamc@1113 452 size_t uw_headers_max = SIZE_MAX;
adamc@1113 453 size_t uw_page_max = SIZE_MAX;
adamc@1113 454 size_t uw_heap_max = SIZE_MAX;
adamc@1113 455 size_t uw_script_max = SIZE_MAX;
adamc@1113 456
adam@1334 457 uw_context uw_init(void *logger_data, uw_logger log_debug) {
adamc@311 458 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 459
adamc@1094 460 ctx->app = NULL;
adamc@1094 461
adamc@854 462 ctx->get_header = NULL;
adamc@854 463 ctx->get_header_data = NULL;
adamc@457 464
adam@1413 465 uw_buffer_init(uw_headers_max, &ctx->outHeaders, 1);
adam@1413 466 ctx->outHeaders.start[0] = 0;
adam@1413 467 uw_buffer_init(uw_page_max, &ctx->page, 1);
adam@1413 468 ctx->page.start[0] = 0;
adamc@1065 469 ctx->returning_indirectly = 0;
adam@1369 470 uw_buffer_init(uw_heap_max, &ctx->heap, uw_min_heap);
adam@1369 471 uw_buffer_init(uw_script_max, &ctx->script, 1);
adamc@667 472 ctx->script.start[0] = 0;
adamc@136 473
adamc@1094 474 ctx->inputs = malloc(0);
adamc@759 475 ctx->cur_container = NULL;
adamc@756 476 ctx->subinputs = malloc(0);
adamc@1094 477 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 478
adamc@272 479 ctx->db = NULL;
adamc@272 480
adamc@323 481 ctx->regions = NULL;
adamc@323 482
adamc@425 483 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 484
adamc@643 485 ctx->script_header = "";
adamc@693 486 ctx->needs_push = 0;
adamc@736 487 ctx->needs_sig = 0;
adamc@1104 488
adamc@565 489 ctx->source_count = 0;
adamc@562 490
adamc@682 491 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 492 ctx->deltas = malloc(0);
adamc@671 493
adamc@700 494 ctx->client = NULL;
adamc@700 495
adamc@700 496 ctx->error_message[0] = 0;
adamc@700 497
adamc@771 498 ctx->transactionals = malloc(0);
adamc@771 499 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 500
adamc@1061 501 ctx->globals = malloc(0);
adamc@1061 502 ctx->n_globals = 0;
adamc@1061 503
adamc@1066 504 ctx->current_url = "";
adamc@1066 505
adamc@1114 506 ctx->deadline = INT_MAX;
adamc@1114 507
adamc@1121 508 ctx->client_data = uw_init_client_data();
adamc@1121 509
adam@1334 510 ctx->logger_data = logger_data;
adam@1334 511 ctx->log_debug = log_debug;
adam@1334 512
adam@1386 513 ctx->isPost = ctx->hasPostBody = 0;
adam@1347 514
adam@1370 515 ctx->queryString = NULL;
adam@1370 516
adamc@117 517 return ctx;
adamc@106 518 }
adamc@106 519
adamc@1113 520 size_t uw_inputs_max = SIZE_MAX;
adamc@1113 521
adamc@1121 522 uw_app *uw_get_app(uw_context ctx) {
adamc@1121 523 return ctx->app;
adamc@1121 524 }
adamc@1121 525
adamc@1113 526 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094 527 ctx->app = app;
adamc@1094 528
adamc@1105 529 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113 530 if (app->inputs_len > uw_inputs_max)
adamc@1113 531 return 1;
adamc@1113 532
adamc@1094 533 ctx->sz_inputs = app->inputs_len;
adamc@1094 534 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094 535 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094 536 }
adamc@1134 537
adamc@1134 538 return 0;
adamc@1094 539 }
adamc@1094 540
adamc@1121 541 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121 542 uw_copy_client_data(ctx->client_data, data);
adamc@1121 543 }
adamc@1121 544
adamc@311 545 void uw_set_db(uw_context ctx, void *db) {
adamc@272 546 ctx->db = db;
adamc@272 547 }
adamc@272 548
adamc@311 549 void *uw_get_db(uw_context ctx) {
adamc@272 550 return ctx->db;
adamc@272 551 }
adamc@272 552
adamc@311 553 void uw_free(uw_context ctx) {
adamc@671 554 size_t i;
adamc@671 555
adam@1369 556 uw_buffer_free(&ctx->outHeaders);
adam@1369 557 uw_buffer_free(&ctx->script);
adam@1369 558 uw_buffer_free(&ctx->page);
adam@1369 559 uw_buffer_free(&ctx->heap);
adamc@144 560 free(ctx->inputs);
adamc@756 561 free(ctx->subinputs);
adamc@425 562 free(ctx->cleanup);
adamc@771 563 free(ctx->transactionals);
adamc@1121 564 uw_free_client_data(ctx->client_data);
adamc@671 565
adamc@682 566 for (i = 0; i < ctx->n_deltas; ++i)
adam@1369 567 uw_buffer_free(&ctx->deltas[i].msgs);
marco-oweber@1330 568 free(ctx->deltas);
adamc@671 569
adamc@1061 570 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089 571 if (ctx->globals[i].free)
adamc@1089 572 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330 573 free(ctx->globals);
adamc@1061 574
adamc@136 575 free(ctx);
adamc@136 576 }
adamc@136 577
adamc@562 578 void uw_reset_keep_error_message(uw_context ctx) {
adam@1369 579 uw_buffer_reset(&ctx->outHeaders);
adam@1369 580 uw_buffer_reset(&ctx->script);
adamc@667 581 ctx->script.start[0] = 0;
adam@1369 582 uw_buffer_reset(&ctx->page);
adamc@1065 583 ctx->returning_indirectly = 0;
adam@1369 584 uw_buffer_reset(&ctx->heap);
adamc@323 585 ctx->regions = NULL;
adamc@425 586 ctx->cleanup_front = ctx->cleanup;
adamc@565 587 ctx->source_count = 0;
adamc@682 588 ctx->used_deltas = 0;
adamc@682 589 ctx->client = NULL;
adamc@759 590 ctx->cur_container = NULL;
adamc@771 591 ctx->used_transactionals = 0;
adamc@1117 592 ctx->script_header = "";
adam@1417 593 ctx->hasPostBody = 0;
adam@1370 594 ctx->queryString = NULL;
adamc@167 595 }
adamc@167 596
adamc@562 597 void uw_reset_keep_request(uw_context ctx) {
adamc@562 598 uw_reset_keep_error_message(ctx);
adamc@562 599 ctx->error_message[0] = 0;
adamc@167 600 }
adamc@167 601
adamc@311 602 void uw_reset(uw_context ctx) {
adamc@311 603 uw_reset_keep_request(ctx);
adamc@1105 604 if (ctx->app)
adamc@1105 605 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756 606 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adamc@756 607 ctx->used_subinputs = 0;
adam@1417 608 ctx->isPost = 0;
adamc@144 609 }
adamc@144 610
adamc@311 611 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 612 int r = setjmp(ctx->jmp_buf);
adamc@272 613
adamc@1105 614 if (r == 0 && ctx->app)
adamc@1094 615 ctx->app->db_init(ctx);
adamc@272 616
adamc@272 617 return r;
adamc@272 618 }
adamc@272 619
adamc@1118 620 void uw_close(uw_context ctx) {
adamc@1118 621 ctx->app->db_close(ctx);
adamc@1118 622 }
adamc@1118 623
adamc@854 624 void uw_set_headers(uw_context ctx, char *(*get_header)(void *, const char *), void *get_header_data) {
adamc@854 625 ctx->get_header = get_header;
adamc@854 626 ctx->get_header_data = get_header_data;
adamc@742 627 }
adamc@742 628
adamc@801 629 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801 630 va_list ap;
adamc@801 631 va_start(ap, fmt);
adamc@801 632
adamc@801 633 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801 634 }
adamc@801 635
adamc@1131 636 int uw_has_error(uw_context ctx) {
adamc@1131 637 return ctx->error_message[0] != 0;
adamc@1131 638 }
adamc@1131 639
adamc@311 640 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 641 cleanup *cl;
adamc@425 642
adamc@167 643 va_list ap;
adamc@167 644 va_start(ap, fmt);
adamc@167 645
adamc@167 646 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 647
adamc@425 648 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 649 cl->func(cl->arg);
adamc@425 650
adamc@425 651 ctx->cleanup_front = ctx->cleanup;
adamc@425 652
adamc@190 653 longjmp(ctx->jmp_buf, fk);
adamc@167 654 }
adamc@167 655
adamc@1113 656 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113 657
adamc@425 658 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 659 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 660 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 661 if (len == 0)
adamc@425 662 newLen = 1;
adamc@425 663 else
adamc@428 664 newLen = len * 2;
adamc@1113 665
adamc@1134 666 if (newLen > uw_cleanup_max) {
adamc@1113 667 if (len+1 <= uw_cleanup_max)
adamc@1113 668 newLen = uw_cleanup_max;
adamc@1113 669 else
adamc@1113 670 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134 671 }
adamc@1113 672
adamc@470 673 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 674 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 675 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 676 }
adamc@425 677
adamc@425 678 ctx->cleanup_front->func = func;
adamc@425 679 ctx->cleanup_front->arg = arg;
adamc@425 680 ++ctx->cleanup_front;
adamc@425 681 }
adamc@425 682
adamc@682 683 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adamc@854 684 return ctx->get_header(ctx->get_header_data, h);
adamc@682 685 }
adamc@682 686
adam@1444 687 char *uw_Basis_htmlifyString(uw_context, const char *);
adam@1444 688
adamc@682 689 void uw_login(uw_context ctx) {
adamc@693 690 if (ctx->needs_push) {
adamc@682 691 char *id_s, *pass_s;
adamc@682 692
adamc@682 693 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adamc@682 694 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adamc@682 695 unsigned id = atoi(id_s);
adamc@682 696 int pass = atoi(pass_s);
adamc@682 697 client *c = find_client(id);
adamc@682 698
adamc@682 699 if (c == NULL)
adam@1444 700 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@682 701 else {
adamc@685 702 use_client(c);
adamc@682 703 ctx->client = c;
adamc@682 704
adamc@682 705 if (c->mode != USED)
adamc@682 706 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adamc@682 707 if (c->pass != pass)
adamc@682 708 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@682 709 }
adamc@682 710 } else {
adamc@682 711 client *c = new_client();
adamc@1113 712
adamc@1113 713 if (c == NULL)
adamc@1113 714 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adamc@1113 715
adamc@685 716 use_client(c);
adamc@1121 717 uw_copy_client_data(c->data, ctx->client_data);
adamc@682 718 ctx->client = c;
adamc@864 719 }
adamc@682 720 }
adamc@682 721 }
adamc@682 722
adamc@671 723 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671 724 int r = setjmp(ctx->jmp_buf);
adamc@671 725
adamc@671 726 if (r == 0) {
adamc@1094 727 if (ctx->app->db_begin(ctx))
adamc@671 728 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adamc@682 729
adamc@1094 730 ctx->app->handle(ctx, path);
adamc@671 731 }
adamc@671 732
adamc@671 733 return r;
adamc@671 734 }
adamc@671 735
adamc@772 736 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682 737 if (ctx->client == NULL)
adamc@682 738 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682 739
adamc@682 740 return ctx->client->id;
adamc@682 741 }
adamc@682 742
adamc@425 743 void uw_pop_cleanup(uw_context ctx) {
adamc@425 744 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 745 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 746
adamc@425 747 --ctx->cleanup_front;
adamc@425 748 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 749 }
adamc@425 750
adamc@311 751 char *uw_error_message(uw_context ctx) {
adamc@167 752 return ctx->error_message;
adamc@167 753 }
adamc@167 754
adamc@1115 755 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115 756 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115 757 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115 758 }
adamc@1115 759
adamc@759 760 static input *INP(uw_context ctx) {
adamc@759 761 if (ctx->cur_container == NULL)
adamc@759 762 return ctx->inputs;
adamc@759 763 else if (ctx->cur_container->kind == SUBFORM)
adamc@759 764 return ctx->cur_container->data.subform.fields;
adamc@759 765 else if (ctx->cur_container->kind == ENTRY)
adamc@759 766 return ctx->cur_container->data.entry.fields;
adamc@759 767 else
adamc@760 768 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759 769 }
adamc@759 770
adamc@760 771 static void adjust_pointer(input **ptr, input *old_start, input *new_start, size_t len) {
adamc@760 772 if (*ptr != NULL && *ptr >= old_start && *ptr < old_start + len)
adamc@760 773 *ptr += new_start - old_start;
adamc@760 774 }
adamc@760 775
adamc@760 776 static void adjust_input(input *x, input *old_start, input *new_start, size_t len) {
adamc@759 777 switch (x->kind) {
adamc@759 778 case SUBFORM:
adamc@760 779 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760 780 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759 781 break;
adamc@759 782 case SUBFORMS:
adamc@760 783 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760 784 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759 785 break;
adamc@759 786 case ENTRY:
adamc@760 787 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760 788 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760 789 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134 790 break;
adamc@1134 791 default:
adamc@1134 792 break;
adamc@759 793 }
adamc@759 794 }
adamc@759 795
adamc@1113 796 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113 797
adamc@759 798 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759 799 size_t i;
adamc@759 800 input *r;
adamc@759 801
adamc@759 802 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113 803 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113 804 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113 805
adamc@759 806 input *new_subinputs = realloc(ctx->subinputs, sizeof(input) * (ctx->used_subinputs + len));
adamc@759 807
adamc@760 808 if (ctx->subinputs != new_subinputs) {
adamc@760 809 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760 810 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094 811 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760 812 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 813
adamc@760 814 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 815
adamc@760 816 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760 817 ctx->subinputs = new_subinputs;
adamc@760 818 }
adamc@759 819 }
adamc@759 820
adamc@759 821 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759 822
adamc@759 823 for (i = 0; i < len; ++i)
adamc@759 824 ctx->subinputs[ctx->used_subinputs++].kind = UNUSED;
adamc@759 825
adamc@759 826 return r;
adamc@759 827 }
adamc@756 828
adamc@801 829 int uw_set_input(uw_context ctx, const char *name, char *value) {
adamc@1050 830 //printf("Input name %s\n", name);
adamc@1038 831
adamc@756 832 if (!strcasecmp(name, ".b")) {
adamc@1094 833 int n = ctx->app->input_num(value);
adamc@756 834 input *inps;
adamc@756 835
adamc@801 836 if (n < 0) {
adam@1444 837 uw_set_error(ctx, "Bad subform name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 838 return -1;
adamc@801 839 }
adamc@801 840
adamc@1094 841 if (n >= ctx->app->inputs_len) {
adam@1444 842 uw_set_error(ctx, "For subform name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 843 return -1;
adamc@801 844 }
adamc@756 845
adamc@1094 846 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759 847
adamc@759 848 INP(ctx)[n].kind = SUBFORM;
adamc@759 849 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759 850 INP(ctx)[n].data.subform.fields = inps;
adamc@759 851 ctx->cur_container = &INP(ctx)[n];
adamc@756 852 } else if (!strcasecmp(name, ".e")) {
adamc@756 853 input *tmp;
adamc@756 854
adamc@801 855 if (ctx->cur_container == NULL) {
adamc@801 856 uw_set_error(ctx, "Unmatched subform closer");
adamc@801 857 return -1;
adamc@801 858 }
adamc@756 859
adamc@759 860 tmp = ctx->cur_container;
adamc@759 861 switch (tmp->kind) {
adamc@759 862 case SUBFORM:
adamc@759 863 ctx->cur_container = tmp->data.subform.parent;
adamc@759 864 tmp->data.subform.parent = NULL;
adamc@759 865 break;
adamc@759 866 case SUBFORMS:
adamc@759 867 ctx->cur_container = tmp->data.subforms.parent;
adamc@759 868 tmp->data.subforms.parent = NULL;
adamc@759 869 break;
adamc@759 870 case ENTRY:
adamc@759 871 ctx->cur_container = tmp->data.entry.parent;
adamc@759 872 break;
adamc@759 873 default:
adamc@801 874 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801 875 return -1;
adamc@759 876 }
adamc@759 877 } else if (!strcasecmp(name, ".s")) {
adamc@1094 878 int n = ctx->app->input_num(value);
adamc@759 879
adamc@801 880 if (n < 0) {
adam@1444 881 uw_set_error(ctx, "Bad subforms name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801 882 return -1;
adamc@801 883 }
adamc@801 884
adamc@1094 885 if (n >= ctx->app->inputs_len) {
adam@1444 886 uw_set_error(ctx, "For subforms name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801 887 return -1;
adamc@801 888 }
adamc@759 889
adamc@759 890 INP(ctx)[n].kind = SUBFORMS;
adamc@759 891 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 892 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759 893 ctx->cur_container = &INP(ctx)[n];
adamc@759 894 } else if (!strcasecmp(name, ".i")) {
adamc@759 895 input *inps;
adamc@759 896
adamc@801 897 if (!ctx->cur_container) {
adamc@801 898 uw_set_error(ctx, "New entry without container");
adamc@801 899 return -1;
adamc@801 900 }
adamc@801 901
adamc@801 902 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801 903 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801 904 return -1;
adamc@801 905 }
adamc@759 906
adamc@1094 907 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759 908
adamc@759 909 inps->kind = ENTRY;
adamc@759 910 inps->data.entry.parent = ctx->cur_container;
adamc@759 911 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759 912 ctx->cur_container->data.subforms.entries = inps;
adamc@759 913
adamc@759 914 inps->data.entry.fields = inps+1;
adamc@759 915 ctx->cur_container = inps;
adamc@756 916 } else {
adamc@1094 917 int n = ctx->app->input_num(name);
adamc@756 918
adam@1384 919 if (n < 0)
adam@1384 920 return 0;
adamc@801 921
adamc@1094 922 if (n >= ctx->app->inputs_len) {
adam@1444 923 uw_set_error(ctx, "For input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801 924 return -1;
adamc@801 925 }
adamc@756 926
adamc@756 927 INP(ctx)[n].kind = NORMAL;
adamc@756 928 INP(ctx)[n].data.normal = value;
adamc@756 929 }
adamc@801 930
adamc@801 931 return 0;
adamc@144 932 }
adamc@144 933
adamc@311 934 char *uw_get_input(uw_context ctx, int n) {
adamc@169 935 if (n < 0)
adamc@311 936 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 937 if (n >= ctx->app->inputs_len)
adamc@311 938 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 939
adamc@756 940 switch (INP(ctx)[n].kind) {
adamc@737 941 case UNSET:
adamc@737 942 return NULL;
adamc@739 943 case FIL:
adamc@739 944 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 945 case SUBFORM:
adamc@756 946 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 947 case SUBFORMS:
adamc@759 948 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 949 case ENTRY:
adamc@759 950 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 951 case NORMAL:
adamc@756 952 return INP(ctx)[n].data.normal;
adamc@737 953 default:
adamc@737 954 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 955 }
adamc@138 956 }
adamc@138 957
adamc@311 958 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 959 if (n < 0)
adamc@311 960 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 961 if (n >= ctx->app->inputs_len)
adamc@311 962 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 963
adamc@756 964 switch (INP(ctx)[n].kind) {
adamc@737 965 case UNSET:
adamc@737 966 return "";
adamc@739 967 case FIL:
adamc@739 968 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 969 case SUBFORM:
adamc@756 970 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 971 case SUBFORMS:
adamc@759 972 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 973 case ENTRY:
adamc@759 974 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 975 case NORMAL:
adamc@756 976 return INP(ctx)[n].data.normal;
adamc@737 977 default:
adamc@737 978 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 979 }
adamc@737 980 }
adamc@737 981
adamc@801 982 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094 983 int n = ctx->app->input_num(name);
adamc@737 984
adamc@801 985 if (n < 0) {
adam@1444 986 uw_set_error(ctx, "Bad file input name %s", uw_Basis_htmlifyString(ctx, name));
adamc@801 987 return -1;
adamc@801 988 }
adamc@801 989
adamc@1094 990 if (n >= ctx->app->inputs_len) {
adam@1444 991 uw_set_error(ctx, "For file input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801 992 return -1;
adamc@801 993 }
adamc@737 994
adamc@739 995 ctx->inputs[n].kind = FIL;
adamc@739 996 ctx->inputs[n].data.file = f;
adamc@801 997
adamc@801 998 return 0;
adamc@737 999 }
adamc@737 1000
adamc@739 1001 void *uw_malloc(uw_context ctx, size_t len);
adamc@739 1002
adamc@739 1003 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737 1004 if (n < 0)
adamc@737 1005 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094 1006 if (n >= ctx->app->inputs_len)
adamc@737 1007 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737 1008
adamc@756 1009 switch (INP(ctx)[n].kind) {
adamc@737 1010 case UNSET:
adamc@737 1011 {
adamc@739 1012 char *data = uw_malloc(ctx, 0);
adamc@740 1013 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739 1014 return f;
adamc@737 1015 }
adamc@739 1016 case FIL:
adamc@756 1017 return INP(ctx)[n].data.file;
adamc@737 1018 case NORMAL:
adamc@737 1019 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756 1020 case SUBFORM:
adamc@756 1021 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759 1022 case SUBFORMS:
adamc@759 1023 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759 1024 case ENTRY:
adamc@759 1025 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737 1026 default:
adamc@737 1027 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1028 }
adamc@190 1029 }
adamc@190 1030
adamc@756 1031 void uw_enter_subform(uw_context ctx, int n) {
adamc@756 1032 if (n < 0)
adamc@756 1033 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094 1034 if (n >= ctx->app->inputs_len)
adamc@756 1035 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756 1036
adamc@756 1037 switch (INP(ctx)[n].kind) {
adamc@756 1038 case UNSET:
adamc@756 1039 uw_error(ctx, FATAL, "Missing subform");
adamc@756 1040 case FIL:
adamc@756 1041 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756 1042 case NORMAL:
adamc@756 1043 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759 1044 case SUBFORMS:
adamc@759 1045 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759 1046 case ENTRY:
adamc@759 1047 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756 1048 case SUBFORM:
adamc@759 1049 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760 1050 ctx->cur_container = &INP(ctx)[n];
adamc@756 1051 return;
adamc@756 1052 default:
adamc@756 1053 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756 1054 }
adamc@756 1055 }
adamc@756 1056
adamc@756 1057 void uw_leave_subform(uw_context ctx) {
adamc@756 1058 input *tmp;
adamc@756 1059
adamc@759 1060 if (ctx->cur_container == NULL)
adamc@756 1061 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756 1062
adamc@759 1063 tmp = ctx->cur_container;
adamc@759 1064 ctx->cur_container = tmp->data.subform.parent;
adamc@759 1065 tmp->data.subform.parent = NULL;
adamc@759 1066 }
adamc@759 1067
adamc@759 1068 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759 1069 input *inps;
adamc@759 1070
adamc@759 1071 if (n < 0)
adamc@759 1072 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094 1073 if (n >= ctx->app->inputs_len)
adamc@759 1074 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759 1075
adamc@759 1076 switch (INP(ctx)[n].kind) {
adamc@759 1077 case UNSET:
adamc@759 1078 uw_error(ctx, FATAL, "Missing subforms");
adamc@759 1079 case FIL:
adamc@759 1080 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759 1081 case NORMAL:
adamc@759 1082 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759 1083 case SUBFORM:
adamc@759 1084 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759 1085 case ENTRY:
adamc@759 1086 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759 1087 case SUBFORMS:
adamc@759 1088 inps = INP(ctx)[n].data.subforms.entries;
adamc@759 1089 if (inps) {
adamc@759 1090 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 1091 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759 1092 return 1;
adamc@759 1093 } else
adamc@759 1094 return 0;
adamc@759 1095 default:
adamc@759 1096 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1097 }
adamc@759 1098 }
adamc@759 1099
adamc@759 1100 int uw_next_entry(uw_context ctx) {
adamc@759 1101 if (ctx->cur_container == NULL)
adamc@759 1102 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759 1103
adamc@759 1104 switch (ctx->cur_container->kind) {
adamc@759 1105 case UNSET:
adamc@759 1106 uw_error(ctx, FATAL, "Missing entry");
adamc@759 1107 case FIL:
adamc@759 1108 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759 1109 case NORMAL:
adamc@759 1110 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759 1111 case SUBFORM:
adamc@759 1112 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759 1113 case SUBFORMS:
adamc@759 1114 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759 1115 case ENTRY:
adamc@759 1116 if (ctx->cur_container->data.entry.next) {
adamc@759 1117 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759 1118 return 1;
adamc@759 1119 } else {
adamc@759 1120 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759 1121 return 0;
adamc@759 1122 }
adamc@759 1123 default:
adamc@759 1124 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1125 }
adamc@756 1126 }
adamc@756 1127
adamc@643 1128 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 1129 ctx->script_header = s;
adamc@643 1130 }
adamc@643 1131
adamc@1094 1132 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094 1133 return ctx->app->url_prefix;
adamc@667 1134 }
adamc@667 1135
adamc@693 1136 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693 1137 ctx->needs_push = n;
adamc@693 1138 }
adamc@693 1139
adamc@736 1140 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736 1141 ctx->needs_sig = n;
adamc@736 1142 }
adamc@736 1143
adamc@667 1144
adam@1369 1145 static void uw_buffer_check_ctx(uw_context ctx, const char *kind, uw_buffer *b, size_t extra, const char *desc) {
adamc@666 1146 if (b->back - b->front < extra) {
adamc@666 1147 size_t desired = b->front - b->start + extra, next;
adamc@136 1148 char *new_heap;
adamc@136 1149
adamc@666 1150 next = b->back - b->start;
adamc@317 1151 if (next == 0)
adamc@317 1152 next = 1;
adamc@317 1153 for (; next < desired; next *= 2);
adamc@136 1154
adamc@1134 1155 if (next > b->max) {
adamc@1113 1156 if (desired <= b->max)
adamc@1113 1157 next = desired;
adamc@1113 1158 else
adamc@1113 1159 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134 1160 }
adamc@1113 1161
adamc@666 1162 new_heap = realloc(b->start, next);
adamc@666 1163 b->front = new_heap + (b->front - b->start);
adamc@666 1164 b->back = new_heap + next;
adamc@136 1165
adamc@667 1166 if (new_heap != b->start) {
adamc@666 1167 b->start = new_heap;
adam@1389 1168 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously; increasing size to %llu", desc, (unsigned long long)next);
adamc@136 1169 }
adamc@136 1170
adamc@666 1171 b->start = new_heap;
adamc@136 1172 }
adamc@136 1173 }
adamc@136 1174
adamc@832 1175 void uw_check_heap(uw_context ctx, size_t extra) {
adam@1369 1176 uw_buffer_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666 1177 }
adamc@666 1178
adamc@832 1179 char *uw_heap_front(uw_context ctx) {
adamc@832 1180 return ctx->heap.front;
adamc@832 1181 }
adamc@832 1182
adamc@832 1183 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832 1184 ctx->heap.front = fr;
adamc@832 1185 }
adamc@832 1186
adamc@311 1187 void *uw_malloc(uw_context ctx, size_t len) {
adamc@136 1188 void *result;
adamc@136 1189
adamc@311 1190 uw_check_heap(ctx, len);
adamc@136 1191
adamc@666 1192 result = ctx->heap.front;
adamc@666 1193 ctx->heap.front += len;
adamc@136 1194 return result;
adamc@117 1195 }
adamc@117 1196
adamc@323 1197 void uw_begin_region(uw_context ctx) {
adamc@666 1198 regions *r = (regions *) ctx->heap.front;
adamc@323 1199
adamc@323 1200 uw_check_heap(ctx, sizeof(regions));
adamc@323 1201
adamc@666 1202 ctx->heap.front += sizeof(regions);
adamc@323 1203
adamc@323 1204 r->next = ctx->regions;
adamc@323 1205 ctx->regions = r;
adamc@323 1206 }
adamc@323 1207
adamc@323 1208 void uw_end_region(uw_context ctx) {
adamc@323 1209 regions *r = ctx->regions;
adamc@323 1210
adamc@323 1211 if (r == NULL)
adamc@323 1212 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 1213
adamc@666 1214 ctx->heap.front = (char *) r;
adamc@323 1215 ctx->regions = r->next;
adamc@323 1216 }
adamc@323 1217
adamc@324 1218 void uw_memstats(uw_context ctx) {
adam@1369 1219 printf("Headers: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->outHeaders), (unsigned long)uw_buffer_avail(&ctx->outHeaders));
adam@1369 1220 printf("Script: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->script), (unsigned long)uw_buffer_avail(&ctx->script));
adam@1369 1221 printf("Page: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->page), (unsigned long)uw_buffer_avail(&ctx->page));
adam@1369 1222 printf("Heap: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->heap), (unsigned long)uw_buffer_avail(&ctx->heap));
adamc@324 1223 }
adamc@324 1224
adamc@311 1225 int uw_send(uw_context ctx, int sock) {
adamc@666 1226 int n = uw_really_send(sock, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@462 1227
adamc@462 1228 if (n < 0)
adamc@462 1229 return n;
adamc@462 1230
adamc@462 1231 n = uw_really_send(sock, "\r\n", 2);
adamc@462 1232
adamc@462 1233 if (n < 0)
adamc@462 1234 return n;
adamc@462 1235
adamc@666 1236 return uw_really_send(sock, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@462 1237 }
adamc@462 1238
adamc@856 1239 int uw_print(uw_context ctx, int fd) {
adamc@856 1240 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856 1241
adamc@856 1242 if (n < 0)
adamc@856 1243 return n;
adamc@856 1244
adamc@856 1245 n = uw_really_write(fd, "\r\n", 2);
adamc@856 1246
adamc@856 1247 if (n < 0)
adamc@856 1248 return n;
adamc@856 1249
adamc@856 1250 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856 1251 }
adamc@856 1252
adamc@860 1253 int uw_output(uw_context ctx, int (*output)(void *data, char *buf, size_t len), void *data) {
adamc@860 1254 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860 1255
adamc@860 1256 if (n < 0)
adamc@860 1257 return n;
adamc@860 1258
adamc@860 1259 n = output(data, "\r\n", 2);
adamc@860 1260
adamc@860 1261 if (n < 0)
adamc@860 1262 return n;
adamc@860 1263
adamc@860 1264 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860 1265 }
adamc@860 1266
adamc@462 1267 static void uw_check_headers(uw_context ctx, size_t extra) {
adam@1369 1268 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462 1269 }
adamc@462 1270
adamc@462 1271 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 1272 int len = strlen(s);
adamc@462 1273
adamc@462 1274 uw_check_headers(ctx, len + 1);
adamc@666 1275 strcpy(ctx->outHeaders.front, s);
adamc@666 1276 ctx->outHeaders.front += len;
adamc@562 1277 }
adamc@562 1278
adamc@1110 1279 void uw_clear_headers(uw_context ctx) {
adam@1369 1280 uw_buffer_reset(&ctx->outHeaders);
adamc@1110 1281 }
adamc@1110 1282
adamc@562 1283 static void uw_check_script(uw_context ctx, size_t extra) {
adam@1369 1284 ctx_uw_buffer_check(ctx, "script", &ctx->script, extra);
adamc@562 1285 }
adamc@562 1286
adamc@562 1287 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 1288 int len = strlen(s);
adamc@562 1289
adamc@562 1290 uw_check_script(ctx, len + 1);
adamc@666 1291 strcpy(ctx->script.front, s);
adamc@666 1292 ctx->script.front += len;
adamc@562 1293 }
adamc@562 1294
adamc@645 1295 const char *uw_Basis_get_script(uw_context ctx, uw_unit u) {
adamc@916 1296 return "<sc>";
adamc@565 1297 }
adamc@565 1298
adamc@695 1299 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695 1300 if (s[0] == 0)
adamc@695 1301 return "";
adamc@695 1302 else {
adamc@695 1303 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695 1304 sprintf(r, " onload='%s'", s);
adamc@695 1305 return r;
adamc@695 1306 }
adamc@695 1307 }
adamc@695 1308
adamc@1042 1309 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042 1310 if (ctx->script_header[0] == 0)
adamc@1042 1311 return "";
adamc@1042 1312 else {
adamc@1042 1313 char *r = uw_malloc(ctx, 22 + strlen(s));
adamc@1042 1314 sprintf(r, " onunload='unload();%s'", s);
adamc@1042 1315 return r;
adamc@1042 1316 }
adamc@1042 1317 }
adamc@1042 1318
adamc@694 1319 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736 1320 if (ctx->client == NULL) {
adamc@736 1321 if (ctx->needs_sig) {
adamc@1094 1322 char *sig = ctx->app->cookie_sig(ctx);
adamc@736 1323 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736 1324 sprintf(r, "sig=\"%s\";", sig);
adamc@736 1325 return r;
adamc@736 1326 }
adamc@736 1327 else
adamc@736 1328 return "";
adamc@736 1329 } else {
adamc@1094 1330 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094 1331 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736 1332 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adamc@736 1333 sprintf(r, "client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adamc@682 1334 ctx->client->id,
adamc@682 1335 ctx->client->pass,
adamc@1094 1336 ctx->app->url_prefix,
adamc@1094 1337 ctx->app->timeout,
adamc@736 1338 ctx->needs_sig ? "sig=\"" : "",
adamc@736 1339 sig,
adamc@736 1340 ctx->needs_sig ? "\";" : "");
adamc@679 1341 return r;
adamc@668 1342 }
adamc@667 1343 }
adamc@667 1344
adamc@574 1345 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 1346 char *r, *s2;
adamc@574 1347
adamc@574 1348 uw_check_heap(ctx, strlen(s) * 4 + 2);
adamc@574 1349
adamc@666 1350 r = s2 = ctx->heap.front;
adamc@574 1351 *s2++ = '"';
adamc@574 1352
adamc@574 1353 for (; *s; s++) {
adam@1286 1354 unsigned char c = *s;
adamc@574 1355
adamc@574 1356 switch (c) {
adamc@574 1357 case '"':
adamc@574 1358 strcpy(s2, "\\\"");
adamc@574 1359 s2 += 2;
adamc@574 1360 break;
adamc@1027 1361 case '\'':
adamc@1027 1362 strcpy(s2, "\\047");
adamc@1027 1363 s2 += 4;
adamc@1027 1364 break;
adamc@574 1365 case '\\':
adamc@574 1366 strcpy(s2, "\\\\");
adamc@574 1367 s2 += 2;
adamc@574 1368 break;
adamc@574 1369 default:
adam@1286 1370 if (isprint((int)c) || c >= 128)
adamc@574 1371 *s2++ = c;
adamc@574 1372 else {
adam@1429 1373 sprintf(s2, "\\%03o", c);
adamc@574 1374 s2 += 4;
adamc@574 1375 }
adamc@574 1376 }
adamc@574 1377 }
adamc@574 1378
adamc@574 1379 strcpy(s2, "\"");
adamc@910 1380 ctx->heap.front = s2 + 2;
adamc@574 1381 return r;
adamc@574 1382 }
adamc@574 1383
adam@1286 1384 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286 1385 unsigned char c = c1;
adamc@1025 1386 char *r, *s2;
adamc@1025 1387
adamc@1025 1388 uw_check_heap(ctx, 6);
adamc@1025 1389
adamc@1025 1390 r = s2 = ctx->heap.front;
adamc@1025 1391 *s2++ = '"';
adamc@1025 1392
adamc@1025 1393 switch (c) {
adamc@1025 1394 case '"':
adamc@1025 1395 strcpy(s2, "\\\"");
adamc@1025 1396 s2 += 2;
adamc@1025 1397 break;
adamc@1027 1398 case '\'':
adamc@1027 1399 strcpy(s2, "\\047");
adamc@1027 1400 s2 += 4;
adamc@1027 1401 break;
adamc@1025 1402 case '\\':
adamc@1025 1403 strcpy(s2, "\\\\");
adamc@1025 1404 s2 += 2;
adamc@1025 1405 break;
adamc@1025 1406 default:
adam@1286 1407 if (isprint((int)c) || c >= 128)
adamc@1025 1408 *s2++ = c;
adamc@1025 1409 else {
adam@1429 1410 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1025 1411 s2 += 4;
adamc@1025 1412 }
adamc@1025 1413 }
adamc@1025 1414
adamc@1025 1415 strcpy(s2, "\"");
adamc@1025 1416 ctx->heap.front = s2 + 2;
adamc@1025 1417 return r;
adamc@1025 1418 }
adamc@1025 1419
adamc@574 1420 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 1421 char *r, *s2;
adamc@574 1422
adamc@574 1423 uw_check_script(ctx, strlen(s) * 4 + 2);
adamc@574 1424
adamc@666 1425 r = s2 = ctx->script.front;
adamc@574 1426 *s2++ = '"';
adamc@574 1427
adamc@574 1428 for (; *s; s++) {
adam@1286 1429 unsigned char c = *s;
adamc@574 1430
adamc@574 1431 switch (c) {
adamc@577 1432 case '\'':
adamc@1027 1433 strcpy(s2, "\\");
adamc@574 1434 s2 += 2;
adamc@574 1435 break;
adamc@574 1436 case '\\':
adamc@574 1437 strcpy(s2, "\\\\");
adamc@574 1438 s2 += 2;
adamc@574 1439 break;
adamc@574 1440 default:
adam@1286 1441 if (isprint((int)c) || c >= 128)
adamc@574 1442 *s2++ = c;
adamc@574 1443 else {
adam@1429 1444 sprintf(s2, "\\%03o", c);
adamc@574 1445 s2 += 4;
adamc@574 1446 }
adamc@574 1447 }
adamc@574 1448 }
adamc@574 1449
adamc@574 1450 strcpy(s2, "\"");
adamc@666 1451 ctx->script.front = s2 + 1;
adamc@574 1452 return r;
adamc@574 1453 }
adamc@574 1454
adamc@682 1455 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1456 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1457 return "null";
adamc@682 1458 else {
adamc@682 1459 int len;
adamc@682 1460 char *r;
adamc@682 1461
adamc@682 1462 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1463 r = ctx->heap.front;
adamc@682 1464 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1465 ctx->heap.front += len+1;
adamc@682 1466 return r;
adamc@682 1467 }
adamc@682 1468 }
adamc@682 1469
adamc@577 1470 uw_Basis_int uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 1471 int len;
adamc@577 1472 size_t s_len = strlen(s);
adamc@562 1473
adamc@970 1474 uw_check_script(ctx, 18 + INTS_MAX + s_len);
adamc@970 1475 sprintf(ctx->script.front, "var s%d=sc(exec(%n", ctx->source_count, &len);
adamc@666 1476 ctx->script.front += len;
adamc@666 1477 strcpy(ctx->script.front, s);
adamc@666 1478 ctx->script.front += s_len;
adamc@970 1479 strcpy(ctx->script.front, "));");
adamc@972 1480 ctx->script.front += 3;
adamc@562 1481
adamc@565 1482 return ctx->source_count++;
adamc@117 1483 }
adamc@117 1484
adamc@577 1485 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_int n, uw_Basis_string s) {
adamc@577 1486 int len;
adamc@577 1487 size_t s_len = strlen(s);
adamc@577 1488
adamc@970 1489 uw_check_script(ctx, 12 + INTS_MAX + s_len);
adamc@970 1490 sprintf(ctx->script.front, "sv(s%d,exec(%n", (int)n, &len);
adamc@666 1491 ctx->script.front += len;
adamc@666 1492 strcpy(ctx->script.front, s);
adamc@666 1493 ctx->script.front += s_len;
adamc@970 1494 strcpy(ctx->script.front, "));");
adamc@972 1495 ctx->script.front += 3;
adamc@577 1496
adamc@577 1497 return uw_unit_v;
adamc@577 1498 }
adamc@577 1499
adamc@311 1500 static void uw_check(uw_context ctx, size_t extra) {
adam@1369 1501 ctx_uw_buffer_check(ctx, "page", &ctx->page, extra);
adamc@117 1502 }
adamc@117 1503
adamc@311 1504 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 1505 *(ctx->page.front)++ = c;
adam@1413 1506 *ctx->page.front = 0;
adamc@117 1507 }
adamc@117 1508
adamc@311 1509 void uw_writec(uw_context ctx, char c) {
adam@1413 1510 uw_check(ctx, 2);
adamc@311 1511 uw_writec_unsafe(ctx, c);
adamc@117 1512 }
adamc@117 1513
adamc@311 1514 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 1515 int len = strlen(s);
adamc@666 1516 memcpy(ctx->page.front, s, len);
adamc@666 1517 ctx->page.front += len;
adamc@117 1518 }
adamc@117 1519
adamc@311 1520 void uw_write(uw_context ctx, const char* s) {
adamc@311 1521 uw_check(ctx, strlen(s) + 1);
adamc@311 1522 uw_write_unsafe(ctx, s);
adamc@666 1523 *ctx->page.front = 0;
adamc@102 1524 }
adamc@106 1525
adamc@311 1526 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 1527 char *result;
adamc@136 1528 int len;
adamc@311 1529 uw_check_heap(ctx, INTS_MAX);
adamc@666 1530 result = ctx->heap.front;
adamc@276 1531 sprintf(result, "%lld%n", n, &len);
adamc@666 1532 ctx->heap.front += len+1;
adamc@136 1533 return result;
adamc@106 1534 }
adamc@106 1535
adamc@311 1536 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 1537 char *result;
adamc@136 1538 int len;
adamc@311 1539 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1540 result = ctx->heap.front;
adamc@136 1541 sprintf(result, "%g%n", n, &len);
adamc@666 1542 ctx->heap.front += len+1;
adamc@136 1543 return result;
adamc@106 1544 }
adamc@106 1545
adamc@311 1546 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 1547 int len = strlen(s);
adamc@136 1548 char *result, *p;
adamc@311 1549 uw_check_heap(ctx, len * 6 + 1);
adamc@136 1550
adamc@666 1551 result = p = ctx->heap.front;
adamc@136 1552
adamc@136 1553 for (; *s; s++) {
adamc@1054 1554 unsigned char c = *s;
adamc@136 1555
adamc@136 1556 if (c == '"') {
adamc@136 1557 strcpy(p, "&quot;");
adamc@136 1558 p += 6;
adamc@136 1559 } else if (c == '&') {
adamc@136 1560 strcpy(p, "&amp;");
adamc@136 1561 p += 5;
adamc@136 1562 }
adamc@1059 1563 else
adamc@136 1564 *p++ = c;
adamc@136 1565 }
adamc@136 1566
adamc@137 1567 *p++ = 0;
adamc@666 1568 ctx->heap.front = p;
adamc@136 1569 return result;
adamc@106 1570 }
adamc@106 1571
adamc@1011 1572 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 1573 char *result, *p;
adamc@1011 1574 uw_check_heap(ctx, 7);
adamc@1011 1575
adamc@1011 1576 result = p = ctx->heap.front;
adamc@1011 1577
adamc@1011 1578 if (c == '"') {
adamc@1011 1579 strcpy(p, "&quot;");
adamc@1011 1580 p += 6;
adamc@1011 1581 } else if (c == '&') {
adamc@1011 1582 strcpy(p, "&amp;");
adamc@1011 1583 p += 5;
adamc@1011 1584 }
adamc@1059 1585 else
adamc@1011 1586 *p++ = c;
adamc@1011 1587
adamc@1011 1588 *p++ = 0;
adamc@1011 1589 ctx->heap.front = p;
adamc@1011 1590 return result;
adamc@1011 1591 }
adamc@1011 1592
adamc@721 1593 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721 1594 return s;
adamc@721 1595 }
adamc@721 1596
adamc@311 1597 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 1598 int len;
adamc@117 1599
adamc@666 1600 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1601 ctx->page.front += len;
adamc@106 1602 }
adamc@106 1603
adamc@428 1604 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1605 uw_check(ctx, INTS_MAX);
adamc@311 1606 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 1607
adamc@428 1608 return uw_unit_v;
adamc@106 1609 }
adamc@106 1610
adamc@428 1611 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 1612 int len;
adamc@117 1613
adamc@311 1614 uw_check(ctx, FLOATS_MAX);
adamc@666 1615 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1616 ctx->page.front += len;
adamc@428 1617
adamc@428 1618 return uw_unit_v;
adamc@117 1619 }
adamc@117 1620
adamc@428 1621 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1622 uw_check(ctx, strlen(s) * 6);
adamc@117 1623
adamc@106 1624 for (; *s; s++) {
adamc@1054 1625 unsigned char c = *s;
adamc@106 1626
adamc@106 1627 if (c == '"')
adamc@311 1628 uw_write_unsafe(ctx, "&quot;");
adamc@136 1629 else if (c == '&')
adamc@311 1630 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1631 else
adamc@311 1632 uw_writec_unsafe(ctx, c);
adamc@106 1633 }
adamc@428 1634
adamc@428 1635 return uw_unit_v;
adamc@106 1636 }
adamc@120 1637
adamc@1011 1638 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011 1639 uw_check(ctx, 6);
adamc@1011 1640
adamc@1011 1641 if (c == '"')
adamc@1011 1642 uw_write_unsafe(ctx, "&quot;");
adamc@1011 1643 else if (c == '&')
adamc@1011 1644 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1645 else
adamc@1011 1646 uw_writec_unsafe(ctx, c);
adamc@1011 1647
adamc@1011 1648 return uw_unit_v;
adamc@1011 1649 }
adamc@1011 1650
adamc@120 1651
adamc@311 1652 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 1653 int len;
adamc@137 1654 char *r;
adamc@137 1655
adamc@311 1656 uw_check_heap(ctx, INTS_MAX);
adamc@666 1657 r = ctx->heap.front;
adamc@276 1658 sprintf(r, "%lld%n", n, &len);
adamc@666 1659 ctx->heap.front += len+1;
adamc@137 1660 return r;
adamc@120 1661 }
adamc@120 1662
adamc@682 1663 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1664 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1665 return "";
adamc@682 1666 else {
adamc@682 1667 int len;
adamc@682 1668 char *r;
adamc@679 1669
adamc@682 1670 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1671 r = ctx->heap.front;
adamc@682 1672 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1673 ctx->heap.front += len+1;
adamc@682 1674 return r;
adamc@682 1675 }
adamc@679 1676 }
adamc@679 1677
adamc@311 1678 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 1679 int len;
adamc@137 1680 char *r;
adamc@137 1681
adamc@311 1682 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1683 r = ctx->heap.front;
adamc@137 1684 sprintf(r, "%g%n", n, &len);
adamc@666 1685 ctx->heap.front += len+1;
adamc@137 1686 return r;
adamc@120 1687 }
adamc@120 1688
adamc@311 1689 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1690 char *r, *p;
adamc@137 1691
adamc@925 1692 if (s[0] == '\0')
adamc@925 1693 return "_";
adamc@925 1694
adamc@925 1695 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925 1696
adamc@925 1697 r = p = ctx->heap.front;
adamc@925 1698 if (s[0] == '_')
adamc@925 1699 *p++ = '_';
adamc@925 1700
adamc@925 1701 for (; *s; s++) {
adamc@1087 1702 unsigned char c = *s;
adamc@137 1703
adamc@137 1704 if (c == ' ')
adamc@137 1705 *p++ = '+';
adamc@137 1706 else if (isalnum(c))
adamc@137 1707 *p++ = c;
adamc@137 1708 else {
adamc@1259 1709 sprintf(p, ".%02X", c);
adamc@137 1710 p += 3;
adamc@137 1711 }
adamc@137 1712 }
adamc@137 1713
adamc@137 1714 *p++ = 0;
adamc@666 1715 ctx->heap.front = p;
adamc@137 1716 return r;
adamc@120 1717 }
adamc@120 1718
adamc@311 1719 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1720 if (b == uw_Basis_False)
adamc@186 1721 return "0";
adamc@186 1722 else
adamc@186 1723 return "1";
adamc@186 1724 }
adamc@186 1725
adamc@311 1726 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1727 int len;
adamc@120 1728
adamc@666 1729 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1730 ctx->page.front += len;
adamc@120 1731 }
adamc@120 1732
adamc@428 1733 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1734 uw_check(ctx, INTS_MAX);
adamc@311 1735 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1736
adamc@428 1737 return uw_unit_v;
adamc@120 1738 }
adamc@120 1739
adamc@682 1740 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1741 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1742 int len;
adamc@682 1743
adamc@682 1744 uw_check(ctx, INTS_MAX + 1);
adamc@682 1745 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1746 ctx->page.front += len;
adamc@682 1747 }
adamc@682 1748
adamc@679 1749 return uw_unit_v;
adamc@679 1750 }
adamc@679 1751
adamc@428 1752 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1753 int len;
adamc@120 1754
adamc@311 1755 uw_check(ctx, FLOATS_MAX);
adamc@666 1756 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1757 ctx->page.front += len;
adamc@428 1758
adamc@428 1759 return uw_unit_v;
adamc@120 1760 }
adamc@120 1761
adamc@488 1762 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@1376 1763 return uw_Basis_urlifyInt(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adamc@488 1764 }
adamc@488 1765
adam@1404 1766 uw_unit uw_Basis_urlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1404 1767 return uw_Basis_urlifyInt_w(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adam@1404 1768 }
adam@1404 1769
adamc@428 1770 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925 1771 if (s[0] == '\0') {
adamc@925 1772 uw_check(ctx, 1);
adamc@925 1773 uw_writec_unsafe(ctx, '_');
adamc@925 1774 return uw_unit_v;
adamc@925 1775 }
adamc@925 1776
adamc@925 1777 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925 1778
adamc@925 1779 if (s[0] == '_')
adamc@925 1780 uw_writec_unsafe(ctx, '_');
adamc@120 1781
adamc@120 1782 for (; *s; s++) {
adamc@1087 1783 unsigned char c = *s;
adamc@120 1784
adamc@120 1785 if (c == ' ')
adamc@311 1786 uw_writec_unsafe(ctx, '+');
adamc@120 1787 else if (isalnum(c))
adamc@311 1788 uw_writec_unsafe(ctx, c);
adamc@120 1789 else {
adamc@1259 1790 sprintf(ctx->page.front, ".%02X", c);
adamc@666 1791 ctx->page.front += 3;
adamc@120 1792 }
adamc@120 1793 }
adamc@428 1794
adamc@428 1795 return uw_unit_v;
adamc@120 1796 }
adamc@120 1797
adamc@428 1798 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1799 if (b == uw_Basis_False)
adamc@311 1800 uw_writec(ctx, '0');
adamc@186 1801 else
adamc@311 1802 uw_writec(ctx, '1');
adamc@428 1803
adamc@428 1804 return uw_unit_v;
adamc@186 1805 }
adamc@186 1806
adamc@120 1807
adamc@311 1808 static char *uw_unurlify_advance(char *s) {
adamc@144 1809 char *new_s = strchr(s, '/');
adamc@120 1810
adamc@120 1811 if (new_s)
adamc@120 1812 *new_s++ = 0;
adamc@120 1813 else
adamc@144 1814 new_s = strchr(s, 0);
adamc@144 1815
adamc@144 1816 return new_s;
adamc@144 1817 }
adamc@144 1818
adamc@311 1819 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 1820 char *new_s = uw_unurlify_advance(*s);
adamc@311 1821 uw_Basis_int r;
adamc@120 1822
adamc@276 1823 r = atoll(*s);
adamc@120 1824 *s = new_s;
adamc@120 1825 return r;
adamc@120 1826 }
adamc@120 1827
adamc@311 1828 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 1829 char *new_s = uw_unurlify_advance(*s);
adamc@311 1830 uw_Basis_float r;
adamc@120 1831
adamc@120 1832 r = atof(*s);
adamc@120 1833 *s = new_s;
adamc@120 1834 return r;
adamc@120 1835 }
adamc@120 1836
adamc@488 1837 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adam@1365 1838 uw_Basis_int n = uw_Basis_unurlifyInt(ctx, s);
adam@1365 1839 uw_Basis_time r = {n / 1000000, n % 1000000};
adam@1365 1840 return r;
adamc@488 1841 }
adamc@488 1842
adamc@1023 1843 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char *r, char *s) {
adamc@927 1844 char *s1, *s2 = s;
adamc@144 1845 int n;
adamc@136 1846
adamc@1023 1847 if (!fromClient) {
adamc@1023 1848 if (*s2 == '_')
adamc@1023 1849 ++s2;
adamc@1259 1850 else if ((s2[0] == '%' || s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@1023 1851 s2 += 3;
adamc@1023 1852 }
adamc@925 1853
adamc@927 1854 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087 1855 unsigned char c = *s2;
adamc@136 1856
adamc@136 1857 switch (c) {
adamc@136 1858 case '+':
adamc@136 1859 *s1 = ' ';
adamc@136 1860 break;
adamc@136 1861 case '%':
adamc@169 1862 if (s2[1] == 0)
adamc@311 1863 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 1864 if (s2[2] == 0)
adamc@311 1865 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 1866 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 1867 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@136 1868 *s1 = n;
adamc@136 1869 s2 += 2;
adamc@136 1870 break;
adamc@1259 1871 case '.':
adamc@1259 1872 if (!fromClient) {
adamc@1259 1873 if (s2[1] == 0)
adamc@1259 1874 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259 1875 if (s2[2] == 0)
adamc@1259 1876 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259 1877 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444 1878 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@1259 1879 *s1 = n;
adamc@1259 1880 s2 += 2;
adamc@1259 1881 break;
adamc@1259 1882 }
adamc@136 1883 default:
adamc@136 1884 *s1 = c;
adamc@136 1885 }
adamc@136 1886 }
adamc@136 1887 *s1++ = 0;
adamc@144 1888 return s1;
adamc@144 1889 }
adamc@144 1890
adamc@311 1891 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 1892 char *new_s = uw_unurlify_advance(*s);
adamc@311 1893 uw_Basis_bool r;
adamc@186 1894
adamc@186 1895 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 1896 r = uw_Basis_False;
adamc@186 1897 else
adamc@311 1898 r = uw_Basis_True;
adamc@186 1899
adamc@186 1900 *s = new_s;
adamc@186 1901 return r;
adamc@186 1902 }
adamc@186 1903
adamc@311 1904 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 1905 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1906 char *r;
adamc@1134 1907 int len;
adamc@144 1908
adamc@200 1909 len = strlen(*s);
adamc@311 1910 uw_check_heap(ctx, len + 1);
adamc@144 1911
adamc@666 1912 r = ctx->heap.front;
adamc@1023 1913 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023 1914 *s = new_s;
adamc@1023 1915 return r;
adamc@1023 1916 }
adamc@1023 1917
adamc@1109 1918 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109 1919 *s = uw_unurlify_advance(*s);
adamc@1109 1920 return uw_unit_v;
adamc@1109 1921 }
adamc@1109 1922
adamc@1023 1923 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023 1924 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1925 char *r;
adamc@1134 1926 int len;
adamc@1023 1927
adamc@1023 1928 len = strlen(*s);
adamc@1023 1929 uw_check_heap(ctx, len + 1);
adamc@1023 1930
adamc@1023 1931 r = ctx->heap.front;
adamc@1023 1932 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136 1933 *s = new_s;
adamc@136 1934 return r;
adamc@120 1935 }
adamc@135 1936
adamc@135 1937
adamc@311 1938 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 1939 int len;
adamc@286 1940 char *r;
adamc@286 1941
adamc@311 1942 uw_check_heap(ctx, INTS_MAX);
adamc@666 1943 r = ctx->heap.front;
adamc@286 1944 sprintf(r, "%lld%n", n, &len);
adamc@666 1945 ctx->heap.front += len+1;
adamc@286 1946 return r;
adamc@286 1947 }
adamc@286 1948
adamc@428 1949 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 1950 int len;
adamc@286 1951
adamc@311 1952 uw_check(ctx, INTS_MAX);
adamc@666 1953 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1954 ctx->page.front += len;
adamc@428 1955
adamc@428 1956 return uw_unit_v;
adamc@286 1957 }
adamc@286 1958
adam@1358 1959 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358 1960 unsigned int n = ch;
adam@1358 1961 int len;
adam@1358 1962 char *r;
adam@1358 1963
adam@1358 1964 uw_check_heap(ctx, INTS_MAX+3);
adam@1358 1965 r = ctx->heap.front;
adam@1358 1966 sprintf(r, "&#%u;%n", n, &len);
adam@1358 1967 ctx->heap.front += len+1;
adam@1358 1968 return r;
adam@1358 1969 }
adam@1358 1970
adam@1358 1971 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358 1972 unsigned int n = ch;
adam@1358 1973 int len;
adam@1358 1974
adam@1358 1975 uw_check(ctx, INTS_MAX+3);
adam@1358 1976 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358 1977 ctx->page.front += len;
adam@1358 1978 return uw_unit_v;
adam@1358 1979 }
adam@1358 1980
adamc@311 1981 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 1982 int len;
adamc@286 1983 char *r;
adamc@286 1984
adamc@311 1985 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1986 r = ctx->heap.front;
adamc@286 1987 sprintf(r, "%g%n", n, &len);
adamc@666 1988 ctx->heap.front += len+1;
adamc@286 1989 return r;
adamc@286 1990 }
adamc@286 1991
adamc@428 1992 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 1993 int len;
adamc@286 1994
adamc@311 1995 uw_check(ctx, FLOATS_MAX);
adamc@666 1996 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1997 ctx->page.front += len;
adamc@428 1998
adamc@428 1999 return uw_unit_v;
adamc@286 2000 }
adamc@286 2001
adam@1365 2002 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time t) {
adam@1360 2003 int len;
adam@1360 2004 char *r;
adam@1360 2005
adam@1360 2006 uw_check_heap(ctx, INTS_MAX);
adam@1360 2007 r = ctx->heap.front;
adamc@1377 2008 sprintf(r, "%lld%n", (uw_Basis_int)t.seconds * 1000000 + t.microseconds, &len);
adam@1360 2009 ctx->heap.front += len+1;
adam@1360 2010 return r;
adam@1360 2011 }
adam@1360 2012
adam@1365 2013 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_int n) {
adam@1360 2014 int len;
adam@1360 2015
adam@1360 2016 uw_check(ctx, INTS_MAX);
adam@1360 2017 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360 2018 ctx->page.front += len;
adam@1360 2019
adam@1360 2020 return uw_unit_v;
adam@1360 2021 }
adam@1360 2022
adam@1444 2023 char *uw_Basis_htmlifyString(uw_context ctx, const char *s) {
adamc@137 2024 char *r, *s2;
adamc@137 2025
adamc@311 2026 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 2027
adamc@666 2028 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054 2029 unsigned char c = *s;
adamc@137 2030
adamc@137 2031 switch (c) {
adamc@137 2032 case '<':
adamc@137 2033 strcpy(s2, "&lt;");
adamc@137 2034 s2 += 4;
adamc@137 2035 break;
adamc@137 2036 case '&':
adamc@137 2037 strcpy(s2, "&amp;");
adamc@137 2038 s2 += 5;
adamc@137 2039 break;
adamc@137 2040 default:
adamc@1059 2041 *s2++ = c;
adamc@137 2042 }
adamc@137 2043 }
adamc@137 2044
adamc@137 2045 *s2++ = 0;
adamc@666 2046 ctx->heap.front = s2;
adamc@137 2047 return r;
adamc@135 2048 }
adamc@135 2049
adamc@428 2050 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 2051 uw_check(ctx, strlen(s) * 6);
adamc@135 2052
adamc@135 2053 for (; *s; s++) {
adamc@1054 2054 unsigned char c = *s;
adamc@135 2055
adamc@135 2056 switch (c) {
adamc@135 2057 case '<':
adamc@311 2058 uw_write_unsafe(ctx, "&lt;");
adamc@135 2059 break;
adamc@135 2060 case '&':
adamc@311 2061 uw_write_unsafe(ctx, "&amp;");
adamc@135 2062 break;
adamc@135 2063 default:
adamc@1059 2064 uw_writec_unsafe(ctx, c);
adamc@135 2065 }
adamc@135 2066 }
adamc@428 2067
adamc@428 2068 return uw_unit_v;
adamc@135 2069 }
adamc@180 2070
adamc@311 2071 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2072 if (b == uw_Basis_False)
adamc@286 2073 return "False";
adamc@286 2074 else
adamc@286 2075 return "True";
adamc@286 2076 }
adamc@286 2077
adamc@428 2078 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 2079 if (b == uw_Basis_False) {
adamc@311 2080 uw_check(ctx, 6);
adamc@666 2081 strcpy(ctx->page.front, "False");
adamc@666 2082 ctx->page.front += 5;
adamc@286 2083 } else {
adamc@311 2084 uw_check(ctx, 5);
adamc@666 2085 strcpy(ctx->page.front, "True");
adamc@666 2086 ctx->page.front += 4;
adamc@286 2087 }
adamc@428 2088
adamc@428 2089 return uw_unit_v;
adamc@286 2090 }
adamc@286 2091
adamc@436 2092 #define TIME_FMT "%x %X"
adamc@438 2093 #define TIME_FMT_PG "%Y-%m-%d %T"
adamc@436 2094
adamc@436 2095 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@436 2096 size_t len;
adamc@436 2097 char *r;
adam@1392 2098 struct tm stm = {};
adam@1392 2099 stm.tm_isdst = -1;
adamc@436 2100
adam@1365 2101 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2102 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2103 r = ctx->heap.front;
adamc@436 2104 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2105 ctx->heap.front += len+1;
adamc@436 2106 return r;
adamc@436 2107 } else
adamc@436 2108 return "<i>Invalid time</i>";
adamc@436 2109 }
adamc@436 2110
adamc@436 2111 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adamc@436 2112 size_t len;
adamc@436 2113 char *r;
adam@1392 2114 struct tm stm = {};
adam@1392 2115 stm.tm_isdst = -1;
adamc@436 2116
adam@1365 2117 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2118 uw_check(ctx, TIMES_MAX);
adamc@666 2119 r = ctx->page.front;
adamc@436 2120 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2121 ctx->page.front += len;
adamc@436 2122 } else {
adamc@436 2123 uw_check(ctx, 20);
adamc@666 2124 strcpy(ctx->page.front, "<i>Invalid time</i>");
adamc@666 2125 ctx->page.front += 19;
adamc@436 2126 }
adamc@436 2127
adamc@436 2128 return uw_unit_v;
adamc@436 2129 }
adamc@436 2130
adamc@821 2131 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2132 while (n >= 0) {
adam@1388 2133 if (*s == 0)
adam@1388 2134 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adam@1388 2135
adam@1388 2136 if (n == 0)
adam@1388 2137 return *s;
adam@1388 2138
adam@1388 2139 --n;
adam@1388 2140 ++s;
adam@1388 2141 }
adam@1388 2142
adam@1388 2143 uw_error(ctx, FATAL, "Negative strsub bound");
adamc@821 2144 }
adamc@821 2145
adamc@821 2146 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2147 while (n >= 0) {
adam@1388 2148 if (*s == 0 || n == 0)
adam@1388 2149 return s;
adam@1388 2150
adam@1388 2151 --n;
adam@1388 2152 ++s;
adam@1388 2153 }
adam@1388 2154
adam@1388 2155 uw_error(ctx, FATAL, "Negative strsuffix bound");
adamc@821 2156 }
adamc@821 2157
adamc@828 2158 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 2159 return strlen(s);
adamc@828 2160 }
adamc@828 2161
adam@1388 2162 uw_Basis_bool uw_Basis_strlenGe(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2163 while (n > 0) {
adam@1388 2164 if (*s == 0)
adam@1388 2165 return uw_Basis_False;
adam@1388 2166
adam@1388 2167 --n;
adam@1388 2168 ++s;
adam@1388 2169 }
adam@1388 2170
adam@1388 2171 return uw_Basis_True;
adam@1388 2172 }
adam@1388 2173
adamc@829 2174 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2175 return strchr(s, ch);
adamc@829 2176 }
adamc@829 2177
adamc@831 2178 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 2179 return strcspn(s, chs);
adamc@831 2180 }
adamc@831 2181
adamc@829 2182 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2183 uw_Basis_string r = strchr(s, ch);
adamc@829 2184 if (r == NULL)
adamc@829 2185 return NULL;
adamc@829 2186 else {
adamc@829 2187 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 2188 *nr = r - s;
adamc@829 2189 return nr;
adamc@829 2190 }
adamc@829 2191 }
adamc@829 2192
adam@1390 2193 uw_Basis_int *uw_Basis_strsindex(uw_context ctx, const char *haystack, const char *needle) {
adam@1390 2194 uw_Basis_string r = strstr(haystack, needle);
adam@1390 2195 if (r == NULL)
adam@1390 2196 return NULL;
adam@1390 2197 else {
adam@1390 2198 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adam@1390 2199 *nr = r - haystack;
adam@1390 2200 return nr;
adam@1390 2201 }
adam@1390 2202 }
adam@1390 2203
adamc@311 2204 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 2205 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 2206 char *s;
adamc@180 2207
adamc@311 2208 uw_check_heap(ctx, len);
adamc@180 2209
adamc@666 2210 s = ctx->heap.front;
adamc@180 2211
adamc@180 2212 strcpy(s, s1);
adamc@180 2213 strcat(s, s2);
adamc@666 2214 ctx->heap.front += len;
adamc@180 2215
adamc@180 2216 return s;
adamc@180 2217 }
adamc@278 2218
adamc@829 2219 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 2220 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 2221
adamc@829 2222 if (start < 0)
adamc@829 2223 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 2224 if (len < 0)
adamc@829 2225 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 2226 if (start + len > full_len)
adamc@829 2227 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 2228
adamc@829 2229 if (start + len == full_len)
adamc@829 2230 return &s[start];
adamc@829 2231 else {
adamc@829 2232 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 2233 memcpy(r, s+start, len);
adamc@829 2234 r[len] = 0;
adamc@829 2235 return r;
adamc@829 2236 }
adamc@829 2237
adamc@829 2238 }
adamc@829 2239
adamc@1023 2240 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023 2241 char *r;
adamc@1023 2242
adamc@1023 2243 uw_check_heap(ctx, 2);
adamc@1023 2244 r = ctx->heap.front;
adamc@1023 2245 r[0] = ch;
adamc@1023 2246 r[1] = 0;
adamc@1023 2247
adamc@1023 2248 ctx->heap.front += 2;
adamc@1023 2249
adamc@1023 2250 return r;
adamc@1023 2251 }
adamc@1023 2252
adamc@737 2253 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 2254 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 2255 char *s;
adamc@278 2256
adamc@311 2257 uw_check_heap(ctx, len);
adamc@278 2258
adamc@666 2259 s = ctx->heap.front;
adamc@278 2260
adamc@278 2261 strcpy(s, s1);
adamc@666 2262 ctx->heap.front += len;
adamc@278 2263
adamc@278 2264 return s;
adamc@278 2265 }
adamc@280 2266
adam@1295 2267 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295 2268 if (ctx->error_message[0]) {
adam@1295 2269 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295 2270 ctx->error_message[0] = 0;
adam@1295 2271 return s;
adam@1295 2272 } else
adam@1295 2273 return NULL;
adam@1295 2274 }
adam@1295 2275
adamc@737 2276 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 2277 if (s1)
adamc@737 2278 return uw_strdup(ctx, s1);
adamc@493 2279 else
adamc@493 2280 return NULL;
adamc@493 2281 }
adamc@493 2282
adamc@742 2283 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 2284 char *r = uw_malloc(ctx, len);
adamc@742 2285 memcpy(r, p, len);
adamc@742 2286 return r;
adamc@742 2287 }
adamc@280 2288
adamc@879 2289 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 2290
adamc@311 2291 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 2292 int len;
adamc@281 2293 char *r;
adamc@281 2294
adamc@311 2295 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 2296 r = ctx->heap.front;
adamc@879 2297 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 2298 ctx->heap.front += len+1;
adamc@281 2299 return r;
adamc@281 2300 }
adamc@281 2301
adamc@467 2302 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 2303 if (n == NULL)
adamc@467 2304 return "NULL";
adamc@467 2305 else
adamc@467 2306 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 2307 }
adamc@467 2308
adamc@879 2309 char *uw_sqlfmtFloat = "%g::float8%n";
adamc@879 2310
adamc@311 2311 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 2312 int len;
adamc@281 2313 char *r;
adamc@281 2314
adamc@311 2315 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 2316 r = ctx->heap.front;
adamc@879 2317 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 2318 ctx->heap.front += len+1;
adamc@281 2319 return r;
adamc@281 2320 }
adamc@281 2321
adamc@467 2322 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 2323 if (n == NULL)
adamc@467 2324 return "NULL";
adamc@467 2325 else
adamc@467 2326 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 2327 }
adamc@467 2328
adamc@879 2329 int uw_Estrings = 1;
adamc@879 2330 char *uw_sqlsuffixString = "::text";
adamc@1011 2331 char *uw_sqlsuffixChar = "::char";
adamc@281 2332
adamc@311 2333 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 2334 char *r, *s2;
adamc@280 2335
adamc@879 2336 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 2337
adamc@666 2338 r = s2 = ctx->heap.front;
adamc@879 2339 if (uw_Estrings)
adamc@879 2340 *s2++ = 'E';
adamc@280 2341 *s2++ = '\'';
adamc@280 2342
adamc@280 2343 for (; *s; s++) {
adamc@280 2344 char c = *s;
adamc@280 2345
adamc@280 2346 switch (c) {
adamc@280 2347 case '\'':
adamc@885 2348 if (uw_Estrings)
adamc@885 2349 strcpy(s2, "\\'");
adamc@885 2350 else
adamc@885 2351 strcpy(s2, "''");
adamc@280 2352 s2 += 2;
adamc@280 2353 break;
adamc@280 2354 case '\\':
adamc@885 2355 if (uw_Estrings) {
adamc@885 2356 strcpy(s2, "\\\\");
adamc@885 2357 s2 += 2;
adamc@885 2358 } else
adamc@885 2359 *s2++ = '\\';
adamc@280 2360 break;
adamc@280 2361 default:
adamc@1150 2362 if (isprint((int)c))
adamc@280 2363 *s2++ = c;
adamc@879 2364 else if (uw_Estrings) {
adamc@737 2365 sprintf(s2, "\\%03o", c);
adamc@280 2366 s2 += 4;
adamc@280 2367 }
adamc@879 2368 else
adamc@879 2369 uw_error(ctx, FATAL, "Non-printable character %u in string to SQLify", c);
adamc@280 2370 }
adamc@280 2371 }
adamc@280 2372
adamc@879 2373 *s2++ = '\'';
adamc@879 2374 strcpy(s2, uw_sqlsuffixString);
adamc@879 2375 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2376 return r;
adamc@280 2377 }
adamc@281 2378
adamc@1011 2379 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 2380 char *r, *s2;
adamc@1011 2381
adamc@1011 2382 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011 2383
adamc@1011 2384 r = s2 = ctx->heap.front;
adamc@1011 2385 if (uw_Estrings)
adamc@1011 2386 *s2++ = 'E';
adamc@1011 2387 *s2++ = '\'';
adamc@1011 2388
adamc@1011 2389 switch (c) {
adamc@1011 2390 case '\'':
adamc@1011 2391 if (uw_Estrings)
adamc@1011 2392 strcpy(s2, "\\'");
adamc@1011 2393 else
adamc@1011 2394 strcpy(s2, "''");
adamc@1011 2395 s2 += 2;
adamc@1011 2396 break;
adamc@1011 2397 case '\\':
adamc@1011 2398 if (uw_Estrings) {
adamc@1011 2399 strcpy(s2, "\\\\");
adamc@1011 2400 s2 += 2;
adamc@1011 2401 } else
adamc@1011 2402 *s2++ = '\\';
adamc@1011 2403 break;
adamc@1011 2404 default:
adamc@1150 2405 if (isprint((int)c))
adamc@1011 2406 *s2++ = c;
adamc@1011 2407 else if (uw_Estrings) {
adamc@1011 2408 sprintf(s2, "\\%03o", c);
adamc@1011 2409 s2 += 4;
adamc@1011 2410 }
adamc@1011 2411 else
adamc@1011 2412 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011 2413 }
adamc@1011 2414
adamc@1011 2415 *s2++ = '\'';
adamc@1011 2416 strcpy(s2, uw_sqlsuffixChar);
adamc@1011 2417 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011 2418 return r;
adamc@1011 2419 }
adamc@1011 2420
adamc@879 2421 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2422
adamc@737 2423 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2424 char *r, *s2;
adamc@737 2425 size_t i;
adamc@737 2426
adamc@879 2427 uw_check_heap(ctx, b.size * 5 + 3 + uw_Estrings + strlen(uw_sqlsuffixBlob));
adamc@737 2428
adamc@737 2429 r = s2 = ctx->heap.front;
adamc@879 2430 if (uw_Estrings)
adamc@879 2431 *s2++ = 'E';
adamc@737 2432 *s2++ = '\'';
adamc@737 2433
adamc@737 2434 for (i = 0; i < b.size; ++i) {
adamc@737 2435 char c = b.data[i];
adamc@737 2436
adamc@737 2437 switch (c) {
adamc@737 2438 case '\'':
adamc@885 2439 if (uw_Estrings)
adamc@885 2440 strcpy(s2, "\\'");
adamc@885 2441 else
adamc@885 2442 strcpy(s2, "''");
adamc@737 2443 s2 += 2;
adamc@737 2444 break;
adamc@737 2445 case '\\':
adamc@885 2446 if (uw_Estrings) {
adamc@885 2447 strcpy(s2, "\\\\\\\\");
adamc@885 2448 s2 += 4;
adamc@885 2449 } else
adamc@885 2450 *s2++ = '\\';
adamc@737 2451 break;
adamc@737 2452 default:
adamc@1150 2453 if (isprint((int)c))
adamc@737 2454 *s2++ = c;
adamc@879 2455 else if (uw_Estrings) {
adamc@737 2456 sprintf(s2, "\\\\%03o", c);
adamc@737 2457 s2 += 5;
adamc@737 2458 }
adamc@879 2459 else
adamc@879 2460 uw_error(ctx, FATAL, "Non-printable character %u in blob to SQLify", c);
adamc@737 2461 }
adamc@737 2462 }
adamc@737 2463
adamc@879 2464 *s2++ = '\'';
adamc@879 2465 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2466 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2467 return r;
adamc@737 2468 }
adamc@737 2469
adamc@682 2470 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2471 int len;
adamc@682 2472 char *r;
adamc@682 2473 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2474
adamc@682 2475 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2476 r = ctx->heap.front;
adamc@879 2477 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2478 ctx->heap.front += len+1;
adamc@682 2479 return r;
adamc@682 2480 }
adamc@682 2481
adamc@682 2482 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2483 int len;
adamc@682 2484 char *r;
adamc@682 2485 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2486
adamc@682 2487 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2488 r = ctx->heap.front;
adamc@682 2489 sprintf(r, "%lld%n", combo, &len);
adamc@682 2490 ctx->heap.front += len+1;
adamc@682 2491 return r;
adamc@682 2492 }
adamc@682 2493
adamc@879 2494 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2495
adamc@682 2496 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2497 int len;
adamc@682 2498 char *r;
adamc@682 2499
adamc@682 2500 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2501 r = ctx->heap.front;
adamc@879 2502 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2503 ctx->heap.front += len+1;
adamc@682 2504 return r;
adamc@682 2505 }
adamc@682 2506
adamc@682 2507 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2508 int len;
adamc@682 2509 char *r;
adamc@682 2510
adamc@682 2511 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2512 r = ctx->heap.front;
adamc@682 2513 sprintf(r, "%u%n", cli, &len);
adamc@682 2514 ctx->heap.front += len+1;
adamc@682 2515 return r;
adamc@682 2516 }
adamc@682 2517
adamc@467 2518 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2519 if (s == NULL)
adamc@467 2520 return "NULL";
adamc@467 2521 else
adamc@467 2522 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2523 }
adamc@467 2524
adamc@311 2525 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2526 if (b == uw_Basis_False)
adamc@281 2527 return "FALSE";
adamc@281 2528 else
adamc@281 2529 return "TRUE";
adamc@281 2530 }
adamc@282 2531
adamc@467 2532 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2533 if (b == NULL)
adamc@467 2534 return "NULL";
adamc@467 2535 else
adamc@467 2536 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2537 }
adamc@467 2538
adamc@439 2539 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2540 size_t len;
adamc@682 2541 char *r, *s;
adam@1392 2542 struct tm stm = {};
adam@1392 2543 stm.tm_isdst = -1;
adamc@682 2544
adam@1365 2545 if (localtime_r(&t.seconds, &stm)) {
adamc@682 2546 s = uw_malloc(ctx, TIMES_MAX);
adam@1364 2547 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1367 2548 if (t.microseconds) {
adam@1367 2549 r = uw_malloc(ctx, len + 21);
adam@1367 2550 sprintf(r, "'%s.%06u'::timestamp", s, t.microseconds);
adam@1367 2551 } else {
adam@1367 2552 r = uw_malloc(ctx, len + 14);
adam@1367 2553 sprintf(r, "'%s'::timestamp", s);
adam@1367 2554 }
adamc@682 2555 return r;
adamc@682 2556 } else
adamc@682 2557 return "<Invalid time>";
adamc@682 2558 }
adamc@682 2559
adamc@682 2560 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2561 size_t len;
adamc@439 2562 char *r;
adam@1392 2563 struct tm stm = {};
adam@1392 2564 stm.tm_isdst = -1;
adamc@439 2565
adam@1365 2566 if (localtime_r(&t.seconds, &stm)) {
adamc@439 2567 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2568 r = ctx->heap.front;
adamc@439 2569 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2570 ctx->heap.front += len+1;
adamc@439 2571 return r;
adamc@439 2572 } else
adamc@439 2573 return "<Invalid time>";
adamc@439 2574 }
adamc@439 2575
adam@1364 2576 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364 2577 size_t len;
adam@1364 2578 char *r;
adam@1392 2579 struct tm stm = {};
adam@1392 2580 stm.tm_isdst = -1;
adam@1364 2581
adam@1365 2582 if (localtime_r(&t.seconds, &stm)) {
adam@1364 2583 uw_check_heap(ctx, TIMES_MAX);
adam@1364 2584 r = ctx->heap.front;
adam@1365 2585 len = strftime(r, TIMES_MAX-7, TIME_FMT_PG, &stm);
adam@1365 2586 ctx->heap.front += len;
adam@1365 2587 sprintf(ctx->heap.front, ".%06u", t.microseconds);
adam@1365 2588 ctx->heap.front += 8;
adam@1364 2589 return r;
adam@1364 2590 } else
adam@1364 2591 return "<Invalid time>";
adam@1364 2592 }
adam@1364 2593
adamc@467 2594 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2595 if (t == NULL)
adamc@467 2596 return "NULL";
adamc@467 2597 else
adamc@467 2598 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2599 }
adamc@467 2600
adamc@311 2601 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2602 static uw_Basis_int true = 1;
adamc@311 2603 static uw_Basis_int false = 0;
adamc@282 2604
adamc@311 2605 if (b == uw_Basis_False)
adamc@282 2606 return (char *)&false;
adamc@282 2607 else
adamc@282 2608 return (char *)&true;
adamc@282 2609 }
adamc@284 2610
adamc@311 2611 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2612 int len;
adamc@284 2613 char *r;
adamc@284 2614
adamc@311 2615 uw_check_heap(ctx, INTS_MAX);
adamc@666 2616 r = ctx->heap.front;
adamc@284 2617 sprintf(r, "%lld%n", n, &len);
adamc@666 2618 ctx->heap.front += len+1;
adamc@284 2619 return r;
adamc@284 2620 }
adamc@285 2621
adamc@311 2622 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2623 int len;
adamc@285 2624 char *r;
adamc@285 2625
adamc@311 2626 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2627 r = ctx->heap.front;
adamc@285 2628 sprintf(r, "%g%n", n, &len);
adamc@666 2629 ctx->heap.front += len+1;
adamc@285 2630 return r;
adamc@285 2631 }
adamc@285 2632
adamc@821 2633 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2634 char *r = uw_malloc(ctx, 2);
adamc@821 2635 r[0] = ch;
adamc@821 2636 r[1] = 0;
adamc@821 2637 return r;
adamc@821 2638 }
adamc@821 2639
adamc@311 2640 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2641 if (b == uw_Basis_False)
adamc@285 2642 return "False";
adamc@285 2643 else
adamc@285 2644 return "True";
adamc@285 2645 }
adamc@288 2646
adamc@436 2647 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adamc@436 2648 size_t len;
adamc@436 2649 char *r;
adam@1392 2650 struct tm stm = {};
adam@1392 2651 stm.tm_isdst = -1;
adamc@436 2652
adam@1365 2653 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2654 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2655 r = ctx->heap.front;
adamc@436 2656 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2657 ctx->heap.front += len+1;
adamc@436 2658 return r;
adamc@436 2659 } else
adamc@436 2660 return "<Invalid time>";
adamc@436 2661 }
adamc@288 2662
adam@1359 2663 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352 2664 size_t len;
adam@1352 2665 char *r;
adam@1392 2666 struct tm stm = {};
adam@1392 2667 stm.tm_isdst = -1;
adam@1352 2668
adam@1365 2669 if (localtime_r(&t.seconds, &stm)) {
adam@1352 2670 uw_check_heap(ctx, TIMES_MAX);
adam@1352 2671 r = ctx->heap.front;
adam@1352 2672 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352 2673 ctx->heap.front += len+1;
adam@1352 2674 return r;
adam@1352 2675 } else
adam@1352 2676 return "<Invalid time>";
adam@1352 2677 }
adam@1352 2678
adamc@311 2679 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2680 char *endptr;
adamc@311 2681 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2682
adamc@288 2683 if (*s != '\0' && *endptr == '\0') {
adamc@311 2684 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2685 *r = n;
adamc@288 2686 return r;
adamc@288 2687 } else
adamc@288 2688 return NULL;
adamc@288 2689 }
adamc@289 2690
adamc@311 2691 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2692 char *endptr;
adamc@311 2693 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2694
adamc@289 2695 if (*s != '\0' && *endptr == '\0') {
adamc@311 2696 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2697 *r = n;
adamc@289 2698 return r;
adamc@289 2699 } else
adamc@289 2700 return NULL;
adamc@289 2701 }
adamc@289 2702
adamc@821 2703 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2704 if (s[0] == 0) {
adamc@821 2705 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2706 r[0] = 0;
adamc@821 2707 return r;
adamc@821 2708 } else if (s[1] != 0)
adamc@821 2709 return NULL;
adamc@821 2710 else {
adamc@821 2711 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2712 r[0] = s[0];
adamc@821 2713 return r;
adamc@821 2714 }
adamc@821 2715 }
adamc@821 2716
adamc@311 2717 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2718 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2719 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2720
adamc@289 2721 if (!strcasecmp (s, "True"))
adamc@289 2722 return &true;
adamc@289 2723 else if (!strcasecmp (s, "False"))
adamc@289 2724 return &false;
adamc@289 2725 else
adamc@289 2726 return NULL;
adamc@289 2727 }
adamc@292 2728
adamc@436 2729 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2730 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1374 2731 struct tm stm = {};
adam@1392 2732 stm.tm_isdst = -1;
adamc@436 2733
adamc@439 2734 if (dot) {
adamc@439 2735 *dot = 0;
adamc@439 2736 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2737 *dot = '.';
adamc@439 2738 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2739 r->seconds = mktime(&stm);
adam@1365 2740 r->microseconds = 0;
adamc@439 2741 return r;
adamc@439 2742 }
adamc@439 2743 else {
adamc@439 2744 *dot = '.';
adamc@439 2745 return NULL;
adamc@439 2746 }
adamc@436 2747 }
adamc@439 2748 else {
adamc@439 2749 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2750 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2751 r->seconds = mktime(&stm);
adam@1365 2752 r->microseconds = 0;
adamc@439 2753 return r;
adamc@439 2754 }
adamc@439 2755 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2756 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2757 r->seconds = mktime(&stm);
adam@1365 2758 r->microseconds = 0;
adamc@439 2759 return r;
adamc@439 2760 }
adamc@439 2761 else
adamc@439 2762 return NULL;
adamc@439 2763 }
adamc@436 2764 }
adamc@436 2765
adam@1352 2766 uw_Basis_time *uw_Basis_stringToTimef(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2767 char *end = strchr(s, 0);
adam@1374 2768 struct tm stm = {};
adam@1392 2769 stm.tm_isdst = -1;
adam@1352 2770
adam@1352 2771 if (strptime(s, fmt, &stm) == end) {
adam@1352 2772 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2773 r->seconds = mktime(&stm);
adam@1365 2774 r->microseconds = 0;
adam@1352 2775 return r;
adam@1352 2776 }
adam@1352 2777 else
adam@1352 2778 return NULL;
adam@1352 2779 }
adam@1352 2780
adamc@311 2781 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 2782 char *endptr;
adamc@311 2783 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 2784
adamc@292 2785 if (*s != '\0' && *endptr == '\0')
adamc@292 2786 return n;
adamc@292 2787 else
adam@1444 2788 uw_error(ctx, FATAL, "Can't parse int: %s", uw_Basis_htmlifyString(ctx, s));
adamc@292 2789 }
adamc@293 2790
adamc@682 2791 #include <errno.h>
adamc@682 2792
adamc@678 2793 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 2794 unsigned long long n;
adamc@682 2795
adamc@682 2796 if (sscanf(s, "%llu", &n) < 1)
adam@1444 2797 uw_error(ctx, FATAL, "Can't parse channel: %s", uw_Basis_htmlifyString(ctx, s));
adamc@682 2798 else {
adamc@682 2799 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 2800 return ch;
adamc@682 2801 }
adamc@682 2802 }
adamc@682 2803
adamc@682 2804 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 2805 char *endptr;
adamc@682 2806 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 2807
adamc@678 2808 if (*s != '\0' && *endptr == '\0')
adamc@678 2809 return n;
adamc@678 2810 else
adam@1444 2811 uw_error(ctx, FATAL, "Can't parse client: %s", uw_Basis_htmlifyString(ctx, s));
adamc@678 2812 }
adamc@678 2813
adamc@311 2814 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 2815 char *endptr;
adamc@311 2816 uw_Basis_float n = strtod(s, &endptr);
adamc@293 2817
adamc@293 2818 if (*s != '\0' && *endptr == '\0')
adamc@293 2819 return n;
adamc@293 2820 else
adam@1444 2821 uw_error(ctx, FATAL, "Can't parse float: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 2822 }
adamc@293 2823
adamc@821 2824 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 2825 if (s[0] == 0)
adamc@821 2826 return 0;
adamc@821 2827 else if (s[1] != 0)
adam@1444 2828 uw_error(ctx, FATAL, "Can't parse char: %s", uw_Basis_htmlifyString(ctx, s));
adamc@821 2829 else
adamc@821 2830 return s[0];
adamc@821 2831 }
adamc@821 2832
adamc@311 2833 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 2834 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 2835 return uw_Basis_True;
adamc@296 2836 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 2837 return uw_Basis_False;
adamc@293 2838 else
adam@1444 2839 uw_error(ctx, FATAL, "Can't parse bool: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293 2840 }
adamc@436 2841
adam@1352 2842 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352 2843 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1352 2844 struct tm stm = {};
adam@1392 2845 stm.tm_isdst = -1;
adam@1352 2846
adam@1352 2847 if (dot) {
adam@1352 2848 *dot = 0;
adam@1352 2849 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352 2850 *dot = '.';
adam@1410 2851 char usec[] = "000000";
adam@1410 2852 int len = strlen(dot+1);
adam@1410 2853 memcpy(usec, dot+1, len < 6 ? len : 6);
adam@1410 2854 uw_Basis_time r = { mktime(&stm), atoi(usec) };
adam@1365 2855 return r;
adam@1352 2856 }
adam@1352 2857 else {
adam@1352 2858 *dot = '.';
adam@1444 2859 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 2860 }
adam@1352 2861 }
adam@1352 2862 else {
adam@1352 2863 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 2864 uw_Basis_time r = { mktime(&stm) };
adam@1365 2865 return r;
adam@1352 2866 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 2867 uw_Basis_time r = { mktime(&stm) };
adam@1365 2868 return r;
adam@1352 2869 } else
adam@1444 2870 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352 2871 }
adam@1352 2872 }
adam@1352 2873
adamc@436 2874 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 2875 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2876 struct tm stm = {};
adam@1392 2877 stm.tm_isdst = -1;
adamc@436 2878
adamc@438 2879 if (dot) {
adamc@438 2880 *dot = 0;
adamc@438 2881 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 2882 *dot = '.';
adam@1365 2883 {
adam@1365 2884 uw_Basis_time r = { mktime(&stm) };
adam@1365 2885 return r;
adam@1365 2886 }
adamc@438 2887 }
adamc@438 2888 else {
adamc@438 2889 *dot = '.';
adam@1444 2890 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 2891 }
adamc@438 2892 }
adamc@438 2893 else {
adam@1365 2894 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 2895 uw_Basis_time r = { mktime(&stm) };
adam@1365 2896 return r;
adam@1365 2897 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 2898 uw_Basis_time r = { mktime(&stm) };
adam@1365 2899 return r;
adam@1365 2900 } else
adam@1444 2901 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438 2902 }
adamc@436 2903 }
adamc@457 2904
adam@1352 2905 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2906 char *end = strchr(s, 0);
adamc@939 2907 struct tm stm = {};
adam@1392 2908 stm.tm_isdst = -1;
adamc@939 2909
adam@1365 2910 if (strptime(s, fmt, &stm) == end) {
adam@1365 2911 uw_Basis_time r = { mktime(&stm) };
adam@1365 2912 return r;
adam@1365 2913 } else
adam@1444 2914 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@939 2915 }
adamc@939 2916
adamc@742 2917 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 2918 char *r = ctx->heap.front;
adamc@742 2919 uw_Basis_blob b = {len, r};
adamc@742 2920
adamc@742 2921 uw_check_heap(ctx, len);
adamc@742 2922
adamc@742 2923 while (*s) {
adamc@742 2924 if (s[0] == '\\') {
adamc@742 2925 if (s[1] == '\\') {
adamc@742 2926 *r++ = '\\';
adamc@742 2927 s += 2;
adamc@1153 2928 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adamc@742 2929 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adamc@742 2930 s += 4;
adamc@742 2931 }
adamc@742 2932 else {
adamc@742 2933 *r++ = '\\';
adamc@742 2934 ++s;
adamc@742 2935 }
adamc@742 2936 } else {
adamc@742 2937 *r++ = s[0];
adamc@742 2938 ++s;
adamc@742 2939 }
adamc@742 2940 }
adamc@742 2941
adamc@742 2942 b.size = r - ctx->heap.front;
adamc@742 2943 ctx->heap.front = r;
adamc@742 2944 return b;
adamc@742 2945 }
adamc@742 2946
adam@1402 2947 #define THE_PAST "expires=Sat, 01-Jan-2011 00:00:00 GMT"
adamc@1052 2948
adamc@463 2949 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 2950 int len = strlen(c);
adamc@854 2951 char *p = ctx->outHeaders.start;
adamc@474 2952
adamc@1134 2953 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474 2954 char *p2;
adamc@474 2955 p += 13;
adamc@474 2956 p2 = strchr(p, '=');
adamc@474 2957
adamc@474 2958 if (p2) {
adamc@474 2959 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 2960
adamc@474 2961 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052 2962 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052 2963 return NULL;
adamc@1052 2964 else {
adamc@1052 2965 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052 2966 memcpy(ret, p2+1, sz);
adamc@1052 2967 ret[sz] = 0;
adamc@1052 2968 return ret;
adamc@1052 2969 }
adamc@474 2970 }
adamc@474 2971 }
adamc@474 2972 }
adamc@463 2973
adamc@1134 2974 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051 2975 char *p2;
adamc@1051 2976
adamc@854 2977 while (1) {
adamc@1051 2978 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134 2979 if ((p2 = strchr(p, ';'))) {
adamc@1051 2980 size_t n = p2 - (p + len);
adamc@1051 2981 char *r = uw_malloc(ctx, n);
adamc@1051 2982 memcpy(r, p + 1 + len, n-1);
adamc@1051 2983 r[n-1] = 0;
adamc@1051 2984 return r;
adamc@1051 2985 } else
adamc@1051 2986 return p + 1 + len;
adamc@1134 2987 } else if ((p = strchr(p, ';')))
adamc@854 2988 p += 2;
adamc@463 2989 else
adamc@463 2990 return NULL;
adamc@463 2991 }
adamc@463 2992 }
adamc@792 2993
adamc@792 2994 return NULL;
adamc@457 2995 }
adamc@462 2996
adamc@1050 2997 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 2998 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 2999 uw_write_header(ctx, c);
adamc@462 3000 uw_write_header(ctx, "=");
adamc@462 3001 uw_write_header(ctx, v);
adamc@466 3002 uw_write_header(ctx, "; path=");
adamc@466 3003 uw_write_header(ctx, prefix);
adamc@1050 3004 if (expires) {
adamc@1050 3005 char formatted[30];
adam@1392 3006 struct tm tm = {};
adam@1392 3007 tm.tm_isdst = -1;
adamc@1050 3008
adam@1365 3009 gmtime_r(&expires->seconds, &tm);
adamc@1050 3010
adamc@1050 3011 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050 3012
adamc@1050 3013 uw_write_header(ctx, "; expires=");
adamc@1050 3014 uw_write_header(ctx, formatted);
adamc@1050 3015 }
adamc@1050 3016 if (secure)
adamc@1050 3017 uw_write_header(ctx, "; secure");
adamc@462 3018 uw_write_header(ctx, "\r\n");
adamc@462 3019
adamc@462 3020 return uw_unit_v;
adamc@462 3021 }
adamc@667 3022
adamc@1050 3023 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050 3024 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050 3025 uw_write_header(ctx, c);
adamc@1050 3026 uw_write_header(ctx, "=; path=");
adamc@1050 3027 uw_write_header(ctx, prefix);
adamc@1052 3028 uw_write_header(ctx, "; " THE_PAST "\r\n");
adamc@1050 3029
adamc@1050 3030 return uw_unit_v;
adamc@1050 3031 }
adamc@1050 3032
adamc@1113 3033 size_t uw_deltas_max = SIZE_MAX;
adamc@1113 3034
adamc@682 3035 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 3036 unsigned i;
adamc@682 3037 delta *d;
adamc@671 3038
adamc@682 3039 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 3040 if (ctx->deltas[i].client == client)
adamc@682 3041 return &ctx->deltas[i];
adamc@671 3042
adamc@682 3043 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113 3044 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113 3045 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113 3046
adamc@682 3047 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adam@1369 3048 uw_buffer_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 3049 }
adamc@671 3050
adamc@682 3051 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 3052 d->client = client;
adam@1369 3053 uw_buffer_reset(&d->msgs);
adamc@682 3054 return d;
adamc@671 3055 }
adamc@671 3056
adamc@668 3057 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 3058 if (ctx->client == NULL)
adamc@682 3059 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 3060
adamc@682 3061 return new_channel(ctx->client);
adamc@668 3062 }
adamc@668 3063
adamc@668 3064 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 3065 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 3066 size_t len;
adamc@682 3067 int preLen;
adamc@682 3068 char pre[INTS_MAX + 2];
adamc@668 3069
adamc@682 3070 len = strlen(msg);
adamc@682 3071
adamc@682 3072 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 3073
adam@1369 3074 ctx_uw_buffer_append(ctx, "messages", &d->msgs, pre, preLen);
adam@1369 3075 ctx_uw_buffer_append(ctx, "messages", &d->msgs, msg, len);
adam@1369 3076 ctx_uw_buffer_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671 3077
adamc@671 3078 return uw_unit_v;
adamc@668 3079 }
adamc@671 3080
adam@1327 3081 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131 3082 int i;
adamc@1131 3083 cleanup *cl;
adamc@1131 3084
adamc@1131 3085 if (ctx->client)
adamc@1131 3086 release_client(ctx->client);
adamc@1131 3087
adamc@1131 3088 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131 3089 cl->func(cl->arg);
adamc@1131 3090
adamc@1131 3091 ctx->cleanup_front = ctx->cleanup;
adamc@1131 3092
adamc@1131 3093 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3094 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3095 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131 3096
adamc@1131 3097 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3098 if (ctx->transactionals[i].free)
adam@1327 3099 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131 3100
adamc@1144 3101 return ctx->app ? ctx->app->db_rollback(ctx) : 0;
adamc@1131 3102 }
adamc@1131 3103
adamc@671 3104 void uw_commit(uw_context ctx) {
adamc@1104 3105 int i;
adamc@1104 3106
adamc@1131 3107 if (uw_has_error(ctx)) {
adam@1327 3108 uw_rollback(ctx, 0);
adamc@1131 3109 return;
adamc@1131 3110 }
adamc@1131 3111
adamc@1104 3112 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3113 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3114 if (ctx->transactionals[i].commit) {
adamc@1083 3115 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3116 if (uw_has_error(ctx)) {
adam@1327 3117 uw_rollback(ctx, 0);
adamc@1131 3118 return;
adamc@1131 3119 }
adamc@1131 3120 }
adamc@771 3121
adamc@1104 3122 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3123 if (ctx->transactionals[i].rollback == NULL)
adamc@1131 3124 if (ctx->transactionals[i].commit) {
adamc@1083 3125 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3126 if (uw_has_error(ctx)) {
adam@1327 3127 uw_rollback(ctx, 0);
adamc@1131 3128 return;
adamc@1131 3129 }
adamc@1131 3130 }
adamc@1131 3131
adamc@1131 3132 if (ctx->app->db_commit(ctx)) {
adamc@1131 3133 uw_set_error_message(ctx, "Error running SQL COMMIT");
adamc@1131 3134 return;
adamc@1131 3135 }
adamc@682 3136
adamc@682 3137 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 3138 delta *d = &ctx->deltas[i];
adamc@682 3139 client *c = find_client(d->client);
adamc@682 3140
adamc@682 3141 assert (c != NULL && c->mode == USED);
adamc@682 3142
adamc@685 3143 client_send(c, &d->msgs);
adamc@682 3144 }
adamc@682 3145
adamc@682 3146 if (ctx->client)
adamc@685 3147 release_client(ctx->client);
adamc@771 3148
adamc@1104 3149 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083 3150 if (ctx->transactionals[i].free)
adam@1327 3151 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916 3152
adam@1413 3153 if (*ctx->page.front)
adam@1413 3154 uw_writec(ctx, 0);
adam@1413 3155
adamc@916 3156 // Splice script data into appropriate part of page
adamc@1065 3157 if (ctx->returning_indirectly || ctx->script_header[0] == 0) {
adamc@995 3158 char *start = strstr(ctx->page.start, "<sc>");
adamc@995 3159 if (start) {
adam@1369 3160 memmove(start, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 4);
adamc@995 3161 ctx->page.front -= 4;
adamc@995 3162 }
adam@1369 3163 } else if (uw_buffer_used(&ctx->script) == 0) {
adamc@916 3164 size_t len = strlen(ctx->script_header);
adamc@916 3165 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 3166 if (start) {
adam@1369 3167 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) - 4 + len);
adamc@917 3168 start = strstr(ctx->page.start, "<sc>");
adam@1369 3169 memmove(start + len, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 3170 ctx->page.front += len - 4;
adamc@916 3171 memcpy(start, ctx->script_header, len);
adamc@916 3172 }
adamc@916 3173 } else {
adam@1369 3174 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adamc@916 3175 size_t lenP = lenH + 40 + len;
adamc@916 3176 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 3177 if (start) {
adam@1369 3178 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) - 4 + lenP);
adamc@917 3179 start = strstr(ctx->page.start, "<sc>");
adam@1369 3180 memmove(start + lenP, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 3181 ctx->page.front += lenP - 4;
adamc@916 3182 memcpy(start, ctx->script_header, lenH);
adamc@916 3183 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adamc@916 3184 memcpy(start + lenH + 31, ctx->script.start, len);
adamc@916 3185 memcpy(start + lenH + 31 + len, "</script>", 9);
adamc@916 3186 }
adamc@916 3187 }
adamc@671 3188 }
adamc@671 3189
adamc@683 3190
adamc@1113 3191 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113 3192
adamc@771 3193 void uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327 3194 uw_callback_with_retry free) {
adamc@771 3195 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113 3196 if (ctx->used_transactionals+1 > uw_transactionals_max)
adamc@1113 3197 uw_error(ctx, FATAL, "Exceeded limit on number of transactionals");
adamc@1084 3198 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771 3199 ++ctx->n_transactionals;
adamc@771 3200 }
adamc@771 3201
adamc@771 3202 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 3203 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 3204 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 3205 ctx->transactionals[ctx->used_transactionals++].free = free;
adamc@771 3206 }
adamc@771 3207
adamc@683 3208
adamc@683 3209 // "Garbage collection"
adamc@683 3210
adamc@1121 3211 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121 3212 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121 3213
adamc@1121 3214 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683 3215 int r = setjmp(ctx->jmp_buf);
adamc@683 3216
adamc@1121 3217 if (r == 0)
adamc@1121 3218 uw_do_expunge(ctx, cli, data);
adamc@1121 3219 else
adamc@1121 3220 ctx->app->db_rollback(ctx);
adamc@1121 3221
adamc@1121 3222 uw_post_expunge(ctx, data);
adamc@683 3223
adamc@683 3224 return r;
adamc@683 3225 }
adamc@683 3226
adamc@683 3227 void uw_prune_clients(uw_context ctx) {
adamc@683 3228 client *c, *next, *prev = NULL;
adamc@683 3229 time_t cutoff;
adamc@683 3230
adamc@1094 3231 cutoff = time(NULL) - ctx->app->timeout;
adamc@683 3232
adamc@683 3233 pthread_mutex_lock(&clients_mutex);
adamc@683 3234
adamc@683 3235 for (c = clients_used; c; c = next) {
adamc@683 3236 next = c->next;
adamc@683 3237 pthread_mutex_lock(&c->lock);
adamc@685 3238 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 3239 failure_kind fk = UNLIMITED_RETRY;
adamc@683 3240 if (prev)
adamc@683 3241 prev->next = next;
adamc@683 3242 else
adamc@683 3243 clients_used = next;
adamc@684 3244 uw_reset(ctx);
adamc@683 3245 while (fk == UNLIMITED_RETRY) {
adamc@1121 3246 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121 3247 if (fk == UNLIMITED_RETRY)
adamc@684 3248 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 3249 }
adamc@684 3250 if (fk == SUCCESS)
adamc@684 3251 free_client(c);
adamc@1121 3252 else
adamc@856 3253 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683 3254 }
adamc@683 3255 else
adamc@683 3256 prev = c;
adamc@683 3257 pthread_mutex_unlock(&c->lock);
adamc@683 3258 }
adamc@683 3259
adamc@683 3260 pthread_mutex_unlock(&clients_mutex);
adamc@683 3261 }
adamc@687 3262
adamc@687 3263 failure_kind uw_initialize(uw_context ctx) {
adamc@687 3264 int r = setjmp(ctx->jmp_buf);
adamc@687 3265
adamc@687 3266 if (r == 0) {
adamc@1094 3267 if (ctx->app->db_begin(ctx))
adamc@687 3268 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@1094 3269 ctx->app->initializer(ctx);
adamc@1094 3270 if (ctx->app->db_commit(ctx))
adamc@687 3271 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 3272 }
adamc@687 3273
adamc@687 3274 return r;
adamc@687 3275 }
adamc@717 3276
adamc@1065 3277 static int url_bad(uw_Basis_string s) {
adamc@1065 3278 for (; *s; ++s)
adamc@1153 3279 if (!isgraph((int)*s))
adamc@1065 3280 return 1;
adamc@1065 3281
adamc@1065 3282 return 0;
adamc@1065 3283 }
adamc@1065 3284
adamc@717 3285 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065 3286 if (url_bad(s))
adamc@1065 3287 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094 3288 if (ctx->app->check_url(s))
adamc@770 3289 return s;
adamc@770 3290 else
adamc@770 3291 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 3292 }
adamc@734 3293
adamc@770 3294 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065 3295 if (url_bad(s))
adamc@1065 3296 return NULL;
adamc@1094 3297 if (ctx->app->check_url(s))
adamc@770 3298 return s;
adamc@770 3299 else
adamc@770 3300 return NULL;
adamc@770 3301 }
adamc@770 3302
adamc@770 3303 int mime_format(const char *s) {
adamc@770 3304 for (; *s; ++s)
adamc@1153 3305 if (!isalnum((int)*s) && *s != '/' && *s != '-' && *s != '.')
adamc@770 3306 return 0;
adamc@770 3307
adamc@770 3308 return 1;
adamc@770 3309 }
adamc@770 3310
adamc@741 3311 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3312 if (!mime_format(s))
adamc@770 3313 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 3314
adamc@1094 3315 if (ctx->app->check_mime(s))
adamc@770 3316 return s;
adamc@770 3317 else
adamc@770 3318 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 3319 }
adamc@770 3320
adamc@770 3321 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3322 if (!mime_format(s))
adamc@770 3323 return NULL;
adamc@770 3324
adamc@1094 3325 if (ctx->app->check_mime(s))
adamc@770 3326 return s;
adamc@770 3327 else
adamc@770 3328 return NULL;
adamc@741 3329 }
adamc@741 3330
adamc@734 3331 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 3332 return s ? s : "";
adamc@734 3333 }
adamc@734 3334
adamc@734 3335 extern int uw_hash_blocksize;
adamc@734 3336
adamc@734 3337 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 3338 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 3339 int i;
adamc@734 3340
adamc@734 3341 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 3342 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 3343
adamc@734 3344 return r;
adamc@734 3345 }
adamc@734 3346
adamc@734 3347 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adamc@1094 3348 return ctx->app->cookie_sig(ctx);
adamc@734 3349 }
adamc@737 3350
adamc@737 3351 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 3352 return f.name;
adamc@737 3353 }
adamc@737 3354
adamc@740 3355 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 3356 return f.type;
adamc@740 3357 }
adamc@740 3358
adamc@745 3359 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 3360 return b.size;
adamc@745 3361 }
adamc@745 3362
adamc@1119 3363 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119 3364 uw_Basis_blob b = {strlen(s), s};
adamc@1119 3365
adamc@1119 3366 return b;
adamc@1119 3367 }
adamc@1119 3368
adamc@737 3369 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 3370 return f.data;
adamc@737 3371 }
adamc@741 3372
adam@1347 3373 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3374 return pb.type;
adam@1347 3375 }
adam@1347 3376
adam@1347 3377 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3378 return pb.data;
adam@1347 3379 }
adam@1347 3380
adamc@741 3381 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 3382 cleanup *cl;
adamc@741 3383 int len;
adamc@741 3384
adamc@1065 3385 ctx->returning_indirectly = 1;
adam@1369 3386 uw_buffer_reset(&ctx->outHeaders);
adam@1369 3387 uw_buffer_reset(&ctx->page);
adamc@741 3388
adamc@856 3389 uw_write_header(ctx, on_success);
adamc@856 3390 uw_write_header(ctx, "Content-Type: ");
adamc@741 3391 uw_write_header(ctx, mimeType);
adamc@741 3392 uw_write_header(ctx, "\r\nContent-Length: ");
adam@1369 3393 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134 3394 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741 3395 ctx->outHeaders.front += len;
adamc@1066 3396 uw_write_header(ctx, "\r\n");
adamc@741 3397
adam@1369 3398 ctx_uw_buffer_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741 3399
adamc@741 3400 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 3401 cl->func(cl->arg);
adamc@741 3402
adamc@741 3403 ctx->cleanup_front = ctx->cleanup;
adamc@741 3404
adamc@1065 3405 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065 3406 }
adamc@1065 3407
adamc@1065 3408 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065 3409 cleanup *cl;
adamc@1066 3410 char *s;
adamc@1065 3411
adamc@1065 3412 ctx->returning_indirectly = 1;
adam@1369 3413 uw_buffer_reset(&ctx->page);
adam@1369 3414 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->outHeaders)+1);
adam@1369 3415 memcpy(ctx->page.start, ctx->outHeaders.start, uw_buffer_used(&ctx->outHeaders));
adam@1369 3416 ctx->page.start[uw_buffer_used(&ctx->outHeaders)] = 0;
adam@1369 3417 uw_buffer_reset(&ctx->outHeaders);
adamc@1065 3418
adam@1409 3419 if (on_success[0])
adam@1409 3420 uw_write_header(ctx, on_redirect);
adam@1409 3421 else
adam@1409 3422 uw_write_header(ctx, "Status: 303 See Other\r\n");
adam@1409 3423 s = on_success[0] ? strchr(ctx->page.start, '\n') : ctx->page.start;
adamc@1066 3424 if (s) {
adamc@1066 3425 char *s2;
adam@1409 3426 if (s[0] == '\n') ++s;
adam@1409 3427 for (; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066 3428 *s2 = 0;
adamc@1066 3429 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066 3430 uw_write_header(ctx, s);
adamc@1066 3431 uw_write_header(ctx, "\n");
adamc@1066 3432 }
adamc@1066 3433 }
adamc@1066 3434 }
adamc@1066 3435
adamc@1065 3436 uw_write_header(ctx, "Location: ");
adamc@1065 3437 uw_write_header(ctx, url);
adamc@1065 3438 uw_write_header(ctx, "\r\n\r\n");
adamc@1065 3439
adamc@1065 3440 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065 3441 cl->func(cl->arg);
adamc@1065 3442
adamc@1065 3443 ctx->cleanup_front = ctx->cleanup;
adamc@1065 3444
adamc@1065 3445 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741 3446 }
adamc@874 3447
adamc@874 3448 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adamc@874 3449 uw_Basis_string r = uw_malloc(ctx, strlen(s) + 1);
adamc@874 3450
adamc@874 3451 for (; *s; ++s) {
adamc@874 3452 if (s[0] == '\'') {
adamc@874 3453 *r++ = '\'';
adamc@874 3454 for (++s; *s; ++s) {
adamc@874 3455 if (s[0] == '\'') {
adamc@874 3456 *r++ = '\'';
adamc@874 3457 break;
adamc@874 3458 } else if (s[0] == '\\') {
adamc@874 3459 if (s[1] == '\\') {
adamc@874 3460 *r++ = '\\';
adamc@874 3461 *r++ = '\\';
adamc@874 3462 ++s;
adamc@874 3463 } else if (s[1] == '\'') {
adamc@874 3464 *r++ = '\\';
adamc@874 3465 *r++ = '\'';
adamc@874 3466 ++s;
adamc@874 3467 } else
adamc@874 3468 *r++ = '\'';
adamc@874 3469 } else
adamc@874 3470 *r++ = s[0];
adamc@874 3471 }
adamc@874 3472 if (*s == 0) break;
adamc@874 3473 } else if (s[0] == 'T' && s[1] == '.')
adamc@874 3474 ++s;
adamc@874 3475 else
adamc@874 3476 *r++ = s[0];
adamc@874 3477 }
adamc@874 3478
adamc@874 3479 return r;
adamc@874 3480 }
adamc@874 3481
adamc@922 3482 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922 3483 va_list ap;
adamc@922 3484 size_t len = 1;
adamc@922 3485 char *s, *r, *s2;
adamc@922 3486
adamc@922 3487 va_start(ap, ctx);
adamc@922 3488 for (s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3489 len += strlen(s);
adamc@922 3490 va_end(ap);
adamc@922 3491
adamc@922 3492 r = uw_malloc(ctx, len);
adamc@922 3493 va_start(ap, ctx);
adamc@922 3494 for (s2 = r, s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3495 while (*s)
adamc@922 3496 *s2++ = *s++;
adamc@922 3497 va_end(ap);
adamc@922 3498 *s2 = 0;
adamc@922 3499
adamc@922 3500 return r;
adamc@922 3501 }
adamc@1006 3502
adam@1365 3503 const uw_Basis_time uw_Basis_minTime = {};
adamc@1050 3504
adamc@1006 3505 uw_Basis_time uw_Basis_now(uw_context ctx) {
adam@1365 3506 uw_Basis_time r = { time(NULL) };
adam@1365 3507 return r;
adamc@1006 3508 }
adamc@1061 3509
adam@1369 3510 uw_Basis_time uw_Basis_addSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adam@1369 3511 tm.seconds += n;
adam@1365 3512 return tm;
adamc@1138 3513 }
adamc@1138 3514
adamc@1061 3515 void *uw_get_global(uw_context ctx, char *name) {
adamc@1061 3516 int i;
adamc@1061 3517
adamc@1061 3518 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3519 if (!strcmp(name, ctx->globals[i].name))
adamc@1061 3520 return ctx->globals[i].data;
adamc@1061 3521
adamc@1061 3522 return NULL;
adamc@1061 3523 }
adamc@1061 3524
adamc@1113 3525 size_t uw_globals_max = SIZE_MAX;
adamc@1113 3526
adamc@1061 3527 void uw_set_global(uw_context ctx, char *name, void *data, void (*free)(void*)) {
adamc@1061 3528 int i;
adamc@1061 3529
adamc@1061 3530 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3531 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089 3532 if (ctx->globals[i].free)
adamc@1061 3533 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061 3534 ctx->globals[i].data = data;
adamc@1061 3535 ctx->globals[i].free = free;
adamc@1061 3536 return;
adamc@1061 3537 }
adamc@1089 3538
adamc@1113 3539 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113 3540 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113 3541
adamc@1061 3542 ++ctx->n_globals;
adamc@1061 3543 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061 3544 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061 3545 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061 3546 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061 3547 }
adamc@1061 3548
adamc@1061 3549 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153 3550 return !!isalnum((int)c);
adamc@1061 3551 }
adamc@1061 3552
adamc@1061 3553 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153 3554 return !!isalpha((int)c);
adamc@1061 3555 }
adamc@1061 3556
adamc@1061 3557 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153 3558 return !!isblank((int)c);
adamc@1061 3559 }
adamc@1061 3560
adamc@1061 3561 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153 3562 return !!iscntrl((int)c);
adamc@1061 3563 }
adamc@1061 3564
adamc@1061 3565 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3566 return !!isdigit((int)c);
adamc@1061 3567 }
adamc@1061 3568
adamc@1061 3569 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153 3570 return !!isgraph((int)c);
adamc@1061 3571 }
adamc@1061 3572
adamc@1061 3573 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3574 return !!islower((int)c);
adamc@1061 3575 }
adamc@1061 3576
adamc@1061 3577 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153 3578 return !!isprint((int)c);
adamc@1061 3579 }
adamc@1061 3580
adamc@1061 3581 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153 3582 return !!ispunct((int)c);
adamc@1061 3583 }
adamc@1061 3584
adamc@1061 3585 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153 3586 return !!isspace((int)c);
adamc@1061 3587 }
adamc@1063 3588
adamc@1061 3589 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3590 return !!isupper((int)c);
adamc@1061 3591 }
adamc@1061 3592
adamc@1061 3593 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3594 return !!isxdigit((int)c);
adamc@1061 3595 }
adamc@1061 3596
adamc@1061 3597 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3598 return tolower((int)c);
adamc@1061 3599 }
adamc@1061 3600
adamc@1061 3601 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3602 return toupper((int)c);
adamc@1061 3603 }
adamc@1066 3604
adamc@1128 3605 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128 3606 return (unsigned char)c;
adamc@1128 3607 }
adamc@1128 3608
adamc@1128 3609 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128 3610 return n;
adamc@1128 3611 }
adamc@1128 3612
adamc@1066 3613 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066 3614 return ctx->current_url;
adamc@1066 3615 }
adamc@1066 3616
adamc@1066 3617 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066 3618 ctx->current_url = s;
adamc@1066 3619 }
adamc@1114 3620
adamc@1114 3621 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114 3622 ctx->deadline = n;
adamc@1114 3623 }
adamc@1114 3624
adamc@1114 3625 void uw_check_deadline(uw_context ctx) {
adamc@1114 3626 if (uw_time > ctx->deadline)
adamc@1114 3627 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114 3628 }
adamc@1115 3629
adamc@1115 3630 size_t uw_database_max = SIZE_MAX;
adamc@1120 3631
adam@1389 3632 uw_Basis_int uw_Basis_naughtyDebug(uw_context ctx, uw_Basis_string s) {
adam@1389 3633 fprintf(stderr, "%s\n", s);
adam@1389 3634 return 0;
adam@1389 3635 }
adam@1389 3636
adamc@1120 3637 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
adam@1334 3638 if (ctx->log_debug)
adam@1334 3639 ctx->log_debug(ctx->logger_data, "%s\n", s);
adam@1334 3640 else
adam@1334 3641 fprintf(stderr, "%s\n", s);
adamc@1120 3642 return uw_unit_v;
adamc@1120 3643 }
adamc@1250 3644
adamc@1250 3645 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adamc@1250 3646 uw_Basis_int n = abs(rand());
adamc@1250 3647 return n;
adamc@1250 3648 }
adam@1347 3649
adam@1347 3650 void uw_noPostBody(uw_context ctx) {
adam@1347 3651 ctx->hasPostBody = 0;
adam@1347 3652 }
adam@1347 3653
adam@1347 3654 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3655 ctx->hasPostBody = 1;
adam@1347 3656 ctx->postBody = pb;
adam@1347 3657 }
adam@1347 3658
adam@1347 3659 int uw_hasPostBody(uw_context ctx) {
adam@1347 3660 return ctx->hasPostBody;
adam@1347 3661 }
adam@1347 3662
adam@1386 3663 void uw_isPost(uw_context ctx) {
adam@1386 3664 ctx->isPost = 1;
adam@1386 3665 }
adam@1386 3666
adam@1386 3667 uw_Basis_bool uw_Basis_currentUrlHasPost(uw_context ctx) {
adam@1386 3668 return ctx->isPost;
adam@1386 3669 }
adam@1386 3670
adam@1370 3671 void uw_setQueryString(uw_context ctx, uw_Basis_string s) {
adam@1370 3672 ctx->queryString = s;
adam@1370 3673 }
adam@1370 3674
adam@1370 3675 uw_Basis_string uw_queryString(uw_context ctx) {
adam@1370 3676 return ctx->queryString;
adam@1370 3677 }
adam@1370 3678
adam@1347 3679 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347 3680 if (ctx->hasPostBody)
adam@1347 3681 return ctx->postBody;
adam@1347 3682 else
adam@1347 3683 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347 3684 }
adam@1349 3685
adam@1349 3686 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349 3687 int r = setjmp(ctx->jmp_buf);
adam@1349 3688
adam@1349 3689 if (r == 0) {
adam@1418 3690 if (ctx->app->db_begin(ctx))
adam@1418 3691 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1418 3692
adam@1349 3693 callback(ctx);
adam@1349 3694 }
adam@1349 3695
adam@1349 3696 return r;
adam@1349 3697 }
adam@1360 3698
adam@1360 3699 uw_Basis_string uw_Basis_crypt(uw_context ctx, uw_Basis_string key, uw_Basis_string salt) {
adam@1397 3700 char buf[14];
adam@1397 3701 return uw_strdup(ctx, DES_fcrypt(key, salt, buf));
adam@1360 3702 }
adam@1365 3703
adam@1365 3704 uw_Basis_bool uw_Basis_eq_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3705 return !!(t1.seconds == t2.seconds && t1.microseconds == t2.microseconds);
adam@1365 3706 }
adam@1365 3707
adam@1365 3708 uw_Basis_bool uw_Basis_lt_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3709 return !!(t1.seconds < t2.seconds || t1.microseconds < t2.microseconds);
adam@1365 3710 }
adam@1365 3711
adam@1365 3712 uw_Basis_bool uw_Basis_le_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3713 return !!(uw_Basis_eq_time(ctx, t1, t2) || uw_Basis_lt_time(ctx, t1, t2));
adam@1365 3714 }
adam@1365 3715
adam@1374 3716 /*uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374 3717 uw_Basis_time *r = uw_Basis_stringToTime(ctx, s);
adam@1374 3718
adam@1374 3719 printf("timezone = %ld\n", timezone);
adam@1374 3720
adam@1374 3721 if (r)
adam@1374 3722 r->seconds -= timezone;
adam@1374 3723
adam@1374 3724 return r;
adam@1374 3725 }*/
adam@1374 3726
adam@1372 3727 uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374 3728 struct tm stm = {};
adam@1375 3729 char *end = strchr(s, 0);
adam@1392 3730 stm.tm_isdst = -1;
adam@1375 3731
adam@1375 3732 if (strptime(s, TIME_FMT_PG, &stm) == end || strptime(s, TIME_FMT, &stm) == end) {
adam@1373 3733 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1375 3734
adam@1375 3735 tzset();
adam@1374 3736 stm.tm_hour -= timezone / (60 * 60);
adam@1375 3737
adam@1374 3738 r->seconds = mktime(&stm);
adam@1373 3739 r->microseconds = 0;
adam@1373 3740
adam@1439 3741 localtime_r(&r->seconds, &stm);
adam@1439 3742 if (stm.tm_isdst == 1) {
adam@1439 3743 ++stm.tm_hour;
adam@1439 3744 r->seconds = mktime(&stm);
adam@1439 3745 }
adam@1439 3746
adam@1373 3747 return r;
adam@1374 3748 }
adam@1374 3749 else
adam@1373 3750 return NULL;
adam@1372 3751 }
adam@1407 3752
adam@1407 3753 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 3754
adam@1407 3755 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1407 3756 int r = setjmp(ctx->jmp_buf);
adam@1407 3757
adam@1407 3758 if (ctx->app->on_error) {
adam@1407 3759 if (r == 0) {
adam@1407 3760 if (ctx->app->db_begin(ctx))
adam@1407 3761 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1407 3762
adam@1409 3763 uw_buffer_reset(&ctx->outHeaders);
adam@1409 3764 if (on_success[0])
adam@1409 3765 uw_write_header(ctx, "HTTP/1.1 ");
adam@1409 3766 else
adam@1409 3767 uw_write_header(ctx, "Status: ");
adam@1409 3768 uw_write_header(ctx, "500 Internal Server Error\r\n");
adam@1407 3769 uw_write_header(ctx, "Content-type: text/html\r\n\r\n");
adam@1407 3770 uw_write(ctx, begin_xhtml);
adam@1407 3771 ctx->app->on_error(ctx, msg);
adam@1407 3772 uw_write(ctx, "</html>");
adam@1407 3773 }
adam@1407 3774
adam@1407 3775 return r;
adam@1407 3776 } else
adam@1407 3777 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1407 3778 }