annotate src/c/urweb.c @ 1409:6ab04cb0e4db

More fixes for FastCGI
author Adam Chlipala <adam@chlipala.net>
date Thu, 20 Jan 2011 16:56:54 -0500
parents 56ba9c442a2d
children 55d0c8b01d18
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
adamc@311 23 uw_unit uw_unit_v = {};
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@1369 465 uw_buffer_init(uw_headers_max, &ctx->outHeaders, 0);
adam@1369 466 uw_buffer_init(uw_page_max, &ctx->page, 0);
adamc@1065 467 ctx->returning_indirectly = 0;
adam@1369 468 uw_buffer_init(uw_heap_max, &ctx->heap, uw_min_heap);
adam@1369 469 uw_buffer_init(uw_script_max, &ctx->script, 1);
adamc@667 470 ctx->script.start[0] = 0;
adamc@136 471
adamc@1094 472 ctx->inputs = malloc(0);
adamc@759 473 ctx->cur_container = NULL;
adamc@756 474 ctx->subinputs = malloc(0);
adamc@1094 475 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 476
adamc@272 477 ctx->db = NULL;
adamc@272 478
adamc@323 479 ctx->regions = NULL;
adamc@323 480
adamc@425 481 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 482
adamc@643 483 ctx->script_header = "";
adamc@693 484 ctx->needs_push = 0;
adamc@736 485 ctx->needs_sig = 0;
adamc@1104 486
adamc@565 487 ctx->source_count = 0;
adamc@562 488
adamc@682 489 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 490 ctx->deltas = malloc(0);
adamc@671 491
adamc@700 492 ctx->client = NULL;
adamc@700 493
adamc@700 494 ctx->error_message[0] = 0;
adamc@700 495
adamc@771 496 ctx->transactionals = malloc(0);
adamc@771 497 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 498
adamc@1061 499 ctx->globals = malloc(0);
adamc@1061 500 ctx->n_globals = 0;
adamc@1061 501
adamc@1066 502 ctx->current_url = "";
adamc@1066 503
adamc@1114 504 ctx->deadline = INT_MAX;
adamc@1114 505
adamc@1121 506 ctx->client_data = uw_init_client_data();
adamc@1121 507
adam@1334 508 ctx->logger_data = logger_data;
adam@1334 509 ctx->log_debug = log_debug;
adam@1334 510
adam@1386 511 ctx->isPost = ctx->hasPostBody = 0;
adam@1347 512
adam@1370 513 ctx->queryString = NULL;
adam@1370 514
adamc@117 515 return ctx;
adamc@106 516 }
adamc@106 517
adamc@1113 518 size_t uw_inputs_max = SIZE_MAX;
adamc@1113 519
adamc@1121 520 uw_app *uw_get_app(uw_context ctx) {
adamc@1121 521 return ctx->app;
adamc@1121 522 }
adamc@1121 523
adamc@1113 524 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094 525 ctx->app = app;
adamc@1094 526
adamc@1105 527 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113 528 if (app->inputs_len > uw_inputs_max)
adamc@1113 529 return 1;
adamc@1113 530
adamc@1094 531 ctx->sz_inputs = app->inputs_len;
adamc@1094 532 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094 533 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094 534 }
adamc@1134 535
adamc@1134 536 return 0;
adamc@1094 537 }
adamc@1094 538
adamc@1121 539 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121 540 uw_copy_client_data(ctx->client_data, data);
adamc@1121 541 }
adamc@1121 542
adamc@311 543 void uw_set_db(uw_context ctx, void *db) {
adamc@272 544 ctx->db = db;
adamc@272 545 }
adamc@272 546
adamc@311 547 void *uw_get_db(uw_context ctx) {
adamc@272 548 return ctx->db;
adamc@272 549 }
adamc@272 550
adamc@311 551 void uw_free(uw_context ctx) {
adamc@671 552 size_t i;
adamc@671 553
adam@1369 554 uw_buffer_free(&ctx->outHeaders);
adam@1369 555 uw_buffer_free(&ctx->script);
adam@1369 556 uw_buffer_free(&ctx->page);
adam@1369 557 uw_buffer_free(&ctx->heap);
adamc@144 558 free(ctx->inputs);
adamc@756 559 free(ctx->subinputs);
adamc@425 560 free(ctx->cleanup);
adamc@771 561 free(ctx->transactionals);
adamc@1121 562 uw_free_client_data(ctx->client_data);
adamc@671 563
adamc@682 564 for (i = 0; i < ctx->n_deltas; ++i)
adam@1369 565 uw_buffer_free(&ctx->deltas[i].msgs);
marco-oweber@1330 566 free(ctx->deltas);
adamc@671 567
adamc@1061 568 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089 569 if (ctx->globals[i].free)
adamc@1089 570 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330 571 free(ctx->globals);
adamc@1061 572
adamc@136 573 free(ctx);
adamc@136 574 }
adamc@136 575
adamc@562 576 void uw_reset_keep_error_message(uw_context ctx) {
adam@1369 577 uw_buffer_reset(&ctx->outHeaders);
adam@1369 578 uw_buffer_reset(&ctx->script);
adamc@667 579 ctx->script.start[0] = 0;
adam@1369 580 uw_buffer_reset(&ctx->page);
adamc@1065 581 ctx->returning_indirectly = 0;
adam@1369 582 uw_buffer_reset(&ctx->heap);
adamc@323 583 ctx->regions = NULL;
adamc@425 584 ctx->cleanup_front = ctx->cleanup;
adamc@565 585 ctx->source_count = 0;
adamc@682 586 ctx->used_deltas = 0;
adamc@682 587 ctx->client = NULL;
adamc@759 588 ctx->cur_container = NULL;
adamc@771 589 ctx->used_transactionals = 0;
adamc@1117 590 ctx->script_header = "";
adam@1386 591 ctx->isPost = ctx->hasPostBody = 0;
adam@1370 592 ctx->queryString = NULL;
adamc@167 593 }
adamc@167 594
adamc@562 595 void uw_reset_keep_request(uw_context ctx) {
adamc@562 596 uw_reset_keep_error_message(ctx);
adamc@562 597 ctx->error_message[0] = 0;
adamc@167 598 }
adamc@167 599
adamc@311 600 void uw_reset(uw_context ctx) {
adamc@311 601 uw_reset_keep_request(ctx);
adamc@1105 602 if (ctx->app)
adamc@1105 603 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756 604 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adamc@756 605 ctx->used_subinputs = 0;
adamc@144 606 }
adamc@144 607
adamc@311 608 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 609 int r = setjmp(ctx->jmp_buf);
adamc@272 610
adamc@1105 611 if (r == 0 && ctx->app)
adamc@1094 612 ctx->app->db_init(ctx);
adamc@272 613
adamc@272 614 return r;
adamc@272 615 }
adamc@272 616
adamc@1118 617 void uw_close(uw_context ctx) {
adamc@1118 618 ctx->app->db_close(ctx);
adamc@1118 619 }
adamc@1118 620
adamc@854 621 void uw_set_headers(uw_context ctx, char *(*get_header)(void *, const char *), void *get_header_data) {
adamc@854 622 ctx->get_header = get_header;
adamc@854 623 ctx->get_header_data = get_header_data;
adamc@742 624 }
adamc@742 625
adamc@801 626 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801 627 va_list ap;
adamc@801 628 va_start(ap, fmt);
adamc@801 629
adamc@801 630 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801 631 }
adamc@801 632
adamc@1131 633 int uw_has_error(uw_context ctx) {
adamc@1131 634 return ctx->error_message[0] != 0;
adamc@1131 635 }
adamc@1131 636
adamc@311 637 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 638 cleanup *cl;
adamc@425 639
adamc@167 640 va_list ap;
adamc@167 641 va_start(ap, fmt);
adamc@167 642
adamc@167 643 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 644
adamc@425 645 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 646 cl->func(cl->arg);
adamc@425 647
adamc@425 648 ctx->cleanup_front = ctx->cleanup;
adamc@425 649
adamc@190 650 longjmp(ctx->jmp_buf, fk);
adamc@167 651 }
adamc@167 652
adamc@1113 653 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113 654
adamc@425 655 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 656 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 657 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 658 if (len == 0)
adamc@425 659 newLen = 1;
adamc@425 660 else
adamc@428 661 newLen = len * 2;
adamc@1113 662
adamc@1134 663 if (newLen > uw_cleanup_max) {
adamc@1113 664 if (len+1 <= uw_cleanup_max)
adamc@1113 665 newLen = uw_cleanup_max;
adamc@1113 666 else
adamc@1113 667 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134 668 }
adamc@1113 669
adamc@470 670 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 671 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 672 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 673 }
adamc@425 674
adamc@425 675 ctx->cleanup_front->func = func;
adamc@425 676 ctx->cleanup_front->arg = arg;
adamc@425 677 ++ctx->cleanup_front;
adamc@425 678 }
adamc@425 679
adamc@682 680 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adamc@854 681 return ctx->get_header(ctx->get_header_data, h);
adamc@682 682 }
adamc@682 683
adamc@682 684 void uw_login(uw_context ctx) {
adamc@693 685 if (ctx->needs_push) {
adamc@682 686 char *id_s, *pass_s;
adamc@682 687
adamc@682 688 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adamc@682 689 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adamc@682 690 unsigned id = atoi(id_s);
adamc@682 691 int pass = atoi(pass_s);
adamc@682 692 client *c = find_client(id);
adamc@682 693
adamc@682 694 if (c == NULL)
adamc@682 695 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", id_s, pass_s);
adamc@682 696 else {
adamc@685 697 use_client(c);
adamc@682 698 ctx->client = c;
adamc@682 699
adamc@682 700 if (c->mode != USED)
adamc@682 701 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adamc@682 702 if (c->pass != pass)
adamc@682 703 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@682 704 }
adamc@682 705 } else {
adamc@682 706 client *c = new_client();
adamc@1113 707
adamc@1113 708 if (c == NULL)
adamc@1113 709 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adamc@1113 710
adamc@685 711 use_client(c);
adamc@1121 712 uw_copy_client_data(c->data, ctx->client_data);
adamc@682 713 ctx->client = c;
adamc@864 714 }
adamc@682 715 }
adamc@682 716 }
adamc@682 717
adamc@671 718 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671 719 int r = setjmp(ctx->jmp_buf);
adamc@671 720
adamc@671 721 if (r == 0) {
adamc@1094 722 if (ctx->app->db_begin(ctx))
adamc@671 723 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adamc@682 724
adamc@1094 725 ctx->app->handle(ctx, path);
adamc@671 726 }
adamc@671 727
adamc@671 728 return r;
adamc@671 729 }
adamc@671 730
adamc@772 731 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682 732 if (ctx->client == NULL)
adamc@682 733 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682 734
adamc@682 735 return ctx->client->id;
adamc@682 736 }
adamc@682 737
adamc@425 738 void uw_pop_cleanup(uw_context ctx) {
adamc@425 739 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 740 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 741
adamc@425 742 --ctx->cleanup_front;
adamc@425 743 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 744 }
adamc@425 745
adamc@311 746 char *uw_error_message(uw_context ctx) {
adamc@167 747 return ctx->error_message;
adamc@167 748 }
adamc@167 749
adamc@1115 750 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115 751 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115 752 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115 753 }
adamc@1115 754
adamc@759 755 static input *INP(uw_context ctx) {
adamc@759 756 if (ctx->cur_container == NULL)
adamc@759 757 return ctx->inputs;
adamc@759 758 else if (ctx->cur_container->kind == SUBFORM)
adamc@759 759 return ctx->cur_container->data.subform.fields;
adamc@759 760 else if (ctx->cur_container->kind == ENTRY)
adamc@759 761 return ctx->cur_container->data.entry.fields;
adamc@759 762 else
adamc@760 763 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759 764 }
adamc@759 765
adamc@760 766 static void adjust_pointer(input **ptr, input *old_start, input *new_start, size_t len) {
adamc@760 767 if (*ptr != NULL && *ptr >= old_start && *ptr < old_start + len)
adamc@760 768 *ptr += new_start - old_start;
adamc@760 769 }
adamc@760 770
adamc@760 771 static void adjust_input(input *x, input *old_start, input *new_start, size_t len) {
adamc@759 772 switch (x->kind) {
adamc@759 773 case SUBFORM:
adamc@760 774 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760 775 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759 776 break;
adamc@759 777 case SUBFORMS:
adamc@760 778 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760 779 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759 780 break;
adamc@759 781 case ENTRY:
adamc@760 782 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760 783 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760 784 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134 785 break;
adamc@1134 786 default:
adamc@1134 787 break;
adamc@759 788 }
adamc@759 789 }
adamc@759 790
adamc@1113 791 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113 792
adamc@759 793 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759 794 size_t i;
adamc@759 795 input *r;
adamc@759 796
adamc@759 797 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113 798 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113 799 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113 800
adamc@759 801 input *new_subinputs = realloc(ctx->subinputs, sizeof(input) * (ctx->used_subinputs + len));
adamc@759 802
adamc@760 803 if (ctx->subinputs != new_subinputs) {
adamc@760 804 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760 805 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094 806 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760 807 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 808
adamc@760 809 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 810
adamc@760 811 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760 812 ctx->subinputs = new_subinputs;
adamc@760 813 }
adamc@759 814 }
adamc@759 815
adamc@759 816 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759 817
adamc@759 818 for (i = 0; i < len; ++i)
adamc@759 819 ctx->subinputs[ctx->used_subinputs++].kind = UNUSED;
adamc@759 820
adamc@759 821 return r;
adamc@759 822 }
adamc@756 823
adamc@801 824 int uw_set_input(uw_context ctx, const char *name, char *value) {
adamc@1050 825 //printf("Input name %s\n", name);
adamc@1038 826
adamc@756 827 if (!strcasecmp(name, ".b")) {
adamc@1094 828 int n = ctx->app->input_num(value);
adamc@756 829 input *inps;
adamc@756 830
adamc@801 831 if (n < 0) {
adamc@801 832 uw_set_error(ctx, "Bad subform name %s", value);
adamc@801 833 return -1;
adamc@801 834 }
adamc@801 835
adamc@1094 836 if (n >= ctx->app->inputs_len) {
adamc@801 837 uw_set_error(ctx, "For subform name %s, index %d is out of range", value, n);
adamc@801 838 return -1;
adamc@801 839 }
adamc@756 840
adamc@1094 841 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759 842
adamc@759 843 INP(ctx)[n].kind = SUBFORM;
adamc@759 844 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759 845 INP(ctx)[n].data.subform.fields = inps;
adamc@759 846 ctx->cur_container = &INP(ctx)[n];
adamc@756 847 } else if (!strcasecmp(name, ".e")) {
adamc@756 848 input *tmp;
adamc@756 849
adamc@801 850 if (ctx->cur_container == NULL) {
adamc@801 851 uw_set_error(ctx, "Unmatched subform closer");
adamc@801 852 return -1;
adamc@801 853 }
adamc@756 854
adamc@759 855 tmp = ctx->cur_container;
adamc@759 856 switch (tmp->kind) {
adamc@759 857 case SUBFORM:
adamc@759 858 ctx->cur_container = tmp->data.subform.parent;
adamc@759 859 tmp->data.subform.parent = NULL;
adamc@759 860 break;
adamc@759 861 case SUBFORMS:
adamc@759 862 ctx->cur_container = tmp->data.subforms.parent;
adamc@759 863 tmp->data.subforms.parent = NULL;
adamc@759 864 break;
adamc@759 865 case ENTRY:
adamc@759 866 ctx->cur_container = tmp->data.entry.parent;
adamc@759 867 break;
adamc@759 868 default:
adamc@801 869 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801 870 return -1;
adamc@759 871 }
adamc@759 872 } else if (!strcasecmp(name, ".s")) {
adamc@1094 873 int n = ctx->app->input_num(value);
adamc@759 874
adamc@801 875 if (n < 0) {
adamc@801 876 uw_set_error(ctx, "Bad subforms name %s", value);
adamc@801 877 return -1;
adamc@801 878 }
adamc@801 879
adamc@1094 880 if (n >= ctx->app->inputs_len) {
adamc@801 881 uw_set_error(ctx, "For subforms name %s, index %d is out of range", value, n);
adamc@801 882 return -1;
adamc@801 883 }
adamc@759 884
adamc@759 885 INP(ctx)[n].kind = SUBFORMS;
adamc@759 886 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 887 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759 888 ctx->cur_container = &INP(ctx)[n];
adamc@759 889 } else if (!strcasecmp(name, ".i")) {
adamc@759 890 input *inps;
adamc@759 891
adamc@801 892 if (!ctx->cur_container) {
adamc@801 893 uw_set_error(ctx, "New entry without container");
adamc@801 894 return -1;
adamc@801 895 }
adamc@801 896
adamc@801 897 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801 898 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801 899 return -1;
adamc@801 900 }
adamc@759 901
adamc@1094 902 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759 903
adamc@759 904 inps->kind = ENTRY;
adamc@759 905 inps->data.entry.parent = ctx->cur_container;
adamc@759 906 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759 907 ctx->cur_container->data.subforms.entries = inps;
adamc@759 908
adamc@759 909 inps->data.entry.fields = inps+1;
adamc@759 910 ctx->cur_container = inps;
adamc@756 911 } else {
adamc@1094 912 int n = ctx->app->input_num(name);
adamc@756 913
adam@1384 914 if (n < 0)
adam@1384 915 return 0;
adamc@801 916
adamc@1094 917 if (n >= ctx->app->inputs_len) {
adamc@801 918 uw_set_error(ctx, "For input name %s, index %d is out of range", name, n);
adamc@801 919 return -1;
adamc@801 920 }
adamc@756 921
adamc@756 922 INP(ctx)[n].kind = NORMAL;
adamc@756 923 INP(ctx)[n].data.normal = value;
adamc@756 924 }
adamc@801 925
adamc@801 926 return 0;
adamc@144 927 }
adamc@144 928
adamc@311 929 char *uw_get_input(uw_context ctx, int n) {
adamc@169 930 if (n < 0)
adamc@311 931 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 932 if (n >= ctx->app->inputs_len)
adamc@311 933 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 934
adamc@756 935 switch (INP(ctx)[n].kind) {
adamc@737 936 case UNSET:
adamc@737 937 return NULL;
adamc@739 938 case FIL:
adamc@739 939 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 940 case SUBFORM:
adamc@756 941 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 942 case SUBFORMS:
adamc@759 943 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 944 case ENTRY:
adamc@759 945 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 946 case NORMAL:
adamc@756 947 return INP(ctx)[n].data.normal;
adamc@737 948 default:
adamc@737 949 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 950 }
adamc@138 951 }
adamc@138 952
adamc@311 953 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 954 if (n < 0)
adamc@311 955 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094 956 if (n >= ctx->app->inputs_len)
adamc@311 957 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 958
adamc@756 959 switch (INP(ctx)[n].kind) {
adamc@737 960 case UNSET:
adamc@737 961 return "";
adamc@739 962 case FIL:
adamc@739 963 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 964 case SUBFORM:
adamc@756 965 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 966 case SUBFORMS:
adamc@759 967 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 968 case ENTRY:
adamc@759 969 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 970 case NORMAL:
adamc@756 971 return INP(ctx)[n].data.normal;
adamc@737 972 default:
adamc@737 973 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 974 }
adamc@737 975 }
adamc@737 976
adamc@801 977 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094 978 int n = ctx->app->input_num(name);
adamc@737 979
adamc@801 980 if (n < 0) {
adamc@801 981 uw_set_error(ctx, "Bad file input name %s", name);
adamc@801 982 return -1;
adamc@801 983 }
adamc@801 984
adamc@1094 985 if (n >= ctx->app->inputs_len) {
adamc@801 986 uw_set_error(ctx, "For file input name %s, index %d is out of range", name, n);
adamc@801 987 return -1;
adamc@801 988 }
adamc@737 989
adamc@739 990 ctx->inputs[n].kind = FIL;
adamc@739 991 ctx->inputs[n].data.file = f;
adamc@801 992
adamc@801 993 return 0;
adamc@737 994 }
adamc@737 995
adamc@739 996 void *uw_malloc(uw_context ctx, size_t len);
adamc@739 997
adamc@739 998 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737 999 if (n < 0)
adamc@737 1000 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094 1001 if (n >= ctx->app->inputs_len)
adamc@737 1002 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737 1003
adamc@756 1004 switch (INP(ctx)[n].kind) {
adamc@737 1005 case UNSET:
adamc@737 1006 {
adamc@739 1007 char *data = uw_malloc(ctx, 0);
adamc@740 1008 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739 1009 return f;
adamc@737 1010 }
adamc@739 1011 case FIL:
adamc@756 1012 return INP(ctx)[n].data.file;
adamc@737 1013 case NORMAL:
adamc@737 1014 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756 1015 case SUBFORM:
adamc@756 1016 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759 1017 case SUBFORMS:
adamc@759 1018 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759 1019 case ENTRY:
adamc@759 1020 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737 1021 default:
adamc@737 1022 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 1023 }
adamc@190 1024 }
adamc@190 1025
adamc@756 1026 void uw_enter_subform(uw_context ctx, int n) {
adamc@756 1027 if (n < 0)
adamc@756 1028 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094 1029 if (n >= ctx->app->inputs_len)
adamc@756 1030 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756 1031
adamc@756 1032 switch (INP(ctx)[n].kind) {
adamc@756 1033 case UNSET:
adamc@756 1034 uw_error(ctx, FATAL, "Missing subform");
adamc@756 1035 case FIL:
adamc@756 1036 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756 1037 case NORMAL:
adamc@756 1038 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759 1039 case SUBFORMS:
adamc@759 1040 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759 1041 case ENTRY:
adamc@759 1042 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756 1043 case SUBFORM:
adamc@759 1044 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760 1045 ctx->cur_container = &INP(ctx)[n];
adamc@756 1046 return;
adamc@756 1047 default:
adamc@756 1048 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756 1049 }
adamc@756 1050 }
adamc@756 1051
adamc@756 1052 void uw_leave_subform(uw_context ctx) {
adamc@756 1053 input *tmp;
adamc@756 1054
adamc@759 1055 if (ctx->cur_container == NULL)
adamc@756 1056 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756 1057
adamc@759 1058 tmp = ctx->cur_container;
adamc@759 1059 ctx->cur_container = tmp->data.subform.parent;
adamc@759 1060 tmp->data.subform.parent = NULL;
adamc@759 1061 }
adamc@759 1062
adamc@759 1063 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759 1064 input *inps;
adamc@759 1065
adamc@759 1066 if (n < 0)
adamc@759 1067 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094 1068 if (n >= ctx->app->inputs_len)
adamc@759 1069 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759 1070
adamc@759 1071 switch (INP(ctx)[n].kind) {
adamc@759 1072 case UNSET:
adamc@759 1073 uw_error(ctx, FATAL, "Missing subforms");
adamc@759 1074 case FIL:
adamc@759 1075 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759 1076 case NORMAL:
adamc@759 1077 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759 1078 case SUBFORM:
adamc@759 1079 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759 1080 case ENTRY:
adamc@759 1081 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759 1082 case SUBFORMS:
adamc@759 1083 inps = INP(ctx)[n].data.subforms.entries;
adamc@759 1084 if (inps) {
adamc@759 1085 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 1086 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759 1087 return 1;
adamc@759 1088 } else
adamc@759 1089 return 0;
adamc@759 1090 default:
adamc@759 1091 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1092 }
adamc@759 1093 }
adamc@759 1094
adamc@759 1095 int uw_next_entry(uw_context ctx) {
adamc@759 1096 if (ctx->cur_container == NULL)
adamc@759 1097 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759 1098
adamc@759 1099 switch (ctx->cur_container->kind) {
adamc@759 1100 case UNSET:
adamc@759 1101 uw_error(ctx, FATAL, "Missing entry");
adamc@759 1102 case FIL:
adamc@759 1103 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759 1104 case NORMAL:
adamc@759 1105 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759 1106 case SUBFORM:
adamc@759 1107 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759 1108 case SUBFORMS:
adamc@759 1109 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759 1110 case ENTRY:
adamc@759 1111 if (ctx->cur_container->data.entry.next) {
adamc@759 1112 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759 1113 return 1;
adamc@759 1114 } else {
adamc@759 1115 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759 1116 return 0;
adamc@759 1117 }
adamc@759 1118 default:
adamc@759 1119 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1120 }
adamc@756 1121 }
adamc@756 1122
adamc@643 1123 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 1124 ctx->script_header = s;
adamc@643 1125 }
adamc@643 1126
adamc@1094 1127 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094 1128 return ctx->app->url_prefix;
adamc@667 1129 }
adamc@667 1130
adamc@693 1131 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693 1132 ctx->needs_push = n;
adamc@693 1133 }
adamc@693 1134
adamc@736 1135 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736 1136 ctx->needs_sig = n;
adamc@736 1137 }
adamc@736 1138
adamc@667 1139
adam@1369 1140 static void uw_buffer_check_ctx(uw_context ctx, const char *kind, uw_buffer *b, size_t extra, const char *desc) {
adamc@666 1141 if (b->back - b->front < extra) {
adamc@666 1142 size_t desired = b->front - b->start + extra, next;
adamc@136 1143 char *new_heap;
adamc@136 1144
adamc@666 1145 next = b->back - b->start;
adamc@317 1146 if (next == 0)
adamc@317 1147 next = 1;
adamc@317 1148 for (; next < desired; next *= 2);
adamc@136 1149
adamc@1134 1150 if (next > b->max) {
adamc@1113 1151 if (desired <= b->max)
adamc@1113 1152 next = desired;
adamc@1113 1153 else
adamc@1113 1154 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134 1155 }
adamc@1113 1156
adamc@666 1157 new_heap = realloc(b->start, next);
adamc@666 1158 b->front = new_heap + (b->front - b->start);
adamc@666 1159 b->back = new_heap + next;
adamc@136 1160
adamc@667 1161 if (new_heap != b->start) {
adamc@666 1162 b->start = new_heap;
adam@1389 1163 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously; increasing size to %llu", desc, (unsigned long long)next);
adamc@136 1164 }
adamc@136 1165
adamc@666 1166 b->start = new_heap;
adamc@136 1167 }
adamc@136 1168 }
adamc@136 1169
adamc@832 1170 void uw_check_heap(uw_context ctx, size_t extra) {
adam@1369 1171 uw_buffer_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666 1172 }
adamc@666 1173
adamc@832 1174 char *uw_heap_front(uw_context ctx) {
adamc@832 1175 return ctx->heap.front;
adamc@832 1176 }
adamc@832 1177
adamc@832 1178 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832 1179 ctx->heap.front = fr;
adamc@832 1180 }
adamc@832 1181
adamc@311 1182 void *uw_malloc(uw_context ctx, size_t len) {
adamc@136 1183 void *result;
adamc@136 1184
adamc@311 1185 uw_check_heap(ctx, len);
adamc@136 1186
adamc@666 1187 result = ctx->heap.front;
adamc@666 1188 ctx->heap.front += len;
adamc@136 1189 return result;
adamc@117 1190 }
adamc@117 1191
adamc@323 1192 void uw_begin_region(uw_context ctx) {
adamc@666 1193 regions *r = (regions *) ctx->heap.front;
adamc@323 1194
adamc@323 1195 uw_check_heap(ctx, sizeof(regions));
adamc@323 1196
adamc@666 1197 ctx->heap.front += sizeof(regions);
adamc@323 1198
adamc@323 1199 r->next = ctx->regions;
adamc@323 1200 ctx->regions = r;
adamc@323 1201 }
adamc@323 1202
adamc@323 1203 void uw_end_region(uw_context ctx) {
adamc@323 1204 regions *r = ctx->regions;
adamc@323 1205
adamc@323 1206 if (r == NULL)
adamc@323 1207 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 1208
adamc@666 1209 ctx->heap.front = (char *) r;
adamc@323 1210 ctx->regions = r->next;
adamc@323 1211 }
adamc@323 1212
adamc@324 1213 void uw_memstats(uw_context ctx) {
adam@1369 1214 printf("Headers: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->outHeaders), (unsigned long)uw_buffer_avail(&ctx->outHeaders));
adam@1369 1215 printf("Script: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->script), (unsigned long)uw_buffer_avail(&ctx->script));
adam@1369 1216 printf("Page: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->page), (unsigned long)uw_buffer_avail(&ctx->page));
adam@1369 1217 printf("Heap: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->heap), (unsigned long)uw_buffer_avail(&ctx->heap));
adamc@324 1218 }
adamc@324 1219
adamc@311 1220 int uw_send(uw_context ctx, int sock) {
adamc@666 1221 int n = uw_really_send(sock, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@462 1222
adamc@462 1223 if (n < 0)
adamc@462 1224 return n;
adamc@462 1225
adamc@462 1226 n = uw_really_send(sock, "\r\n", 2);
adamc@462 1227
adamc@462 1228 if (n < 0)
adamc@462 1229 return n;
adamc@462 1230
adamc@666 1231 return uw_really_send(sock, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@462 1232 }
adamc@462 1233
adamc@856 1234 int uw_print(uw_context ctx, int fd) {
adamc@856 1235 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856 1236
adamc@856 1237 if (n < 0)
adamc@856 1238 return n;
adamc@856 1239
adamc@856 1240 n = uw_really_write(fd, "\r\n", 2);
adamc@856 1241
adamc@856 1242 if (n < 0)
adamc@856 1243 return n;
adamc@856 1244
adamc@856 1245 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856 1246 }
adamc@856 1247
adamc@860 1248 int uw_output(uw_context ctx, int (*output)(void *data, char *buf, size_t len), void *data) {
adamc@860 1249 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860 1250
adamc@860 1251 if (n < 0)
adamc@860 1252 return n;
adamc@860 1253
adamc@860 1254 n = output(data, "\r\n", 2);
adamc@860 1255
adamc@860 1256 if (n < 0)
adamc@860 1257 return n;
adamc@860 1258
adamc@860 1259 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860 1260 }
adamc@860 1261
adamc@462 1262 static void uw_check_headers(uw_context ctx, size_t extra) {
adam@1369 1263 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462 1264 }
adamc@462 1265
adamc@462 1266 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 1267 int len = strlen(s);
adamc@462 1268
adamc@462 1269 uw_check_headers(ctx, len + 1);
adamc@666 1270 strcpy(ctx->outHeaders.front, s);
adamc@666 1271 ctx->outHeaders.front += len;
adamc@562 1272 }
adamc@562 1273
adamc@1110 1274 void uw_clear_headers(uw_context ctx) {
adam@1369 1275 uw_buffer_reset(&ctx->outHeaders);
adamc@1110 1276 }
adamc@1110 1277
adamc@562 1278 static void uw_check_script(uw_context ctx, size_t extra) {
adam@1369 1279 ctx_uw_buffer_check(ctx, "script", &ctx->script, extra);
adamc@562 1280 }
adamc@562 1281
adamc@562 1282 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 1283 int len = strlen(s);
adamc@562 1284
adamc@562 1285 uw_check_script(ctx, len + 1);
adamc@666 1286 strcpy(ctx->script.front, s);
adamc@666 1287 ctx->script.front += len;
adamc@562 1288 }
adamc@562 1289
adamc@645 1290 const char *uw_Basis_get_script(uw_context ctx, uw_unit u) {
adamc@916 1291 return "<sc>";
adamc@565 1292 }
adamc@565 1293
adamc@695 1294 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695 1295 if (s[0] == 0)
adamc@695 1296 return "";
adamc@695 1297 else {
adamc@695 1298 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695 1299 sprintf(r, " onload='%s'", s);
adamc@695 1300 return r;
adamc@695 1301 }
adamc@695 1302 }
adamc@695 1303
adamc@1042 1304 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042 1305 if (ctx->script_header[0] == 0)
adamc@1042 1306 return "";
adamc@1042 1307 else {
adamc@1042 1308 char *r = uw_malloc(ctx, 22 + strlen(s));
adamc@1042 1309 sprintf(r, " onunload='unload();%s'", s);
adamc@1042 1310 return r;
adamc@1042 1311 }
adamc@1042 1312 }
adamc@1042 1313
adamc@694 1314 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736 1315 if (ctx->client == NULL) {
adamc@736 1316 if (ctx->needs_sig) {
adamc@1094 1317 char *sig = ctx->app->cookie_sig(ctx);
adamc@736 1318 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736 1319 sprintf(r, "sig=\"%s\";", sig);
adamc@736 1320 return r;
adamc@736 1321 }
adamc@736 1322 else
adamc@736 1323 return "";
adamc@736 1324 } else {
adamc@1094 1325 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094 1326 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736 1327 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adamc@736 1328 sprintf(r, "client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adamc@682 1329 ctx->client->id,
adamc@682 1330 ctx->client->pass,
adamc@1094 1331 ctx->app->url_prefix,
adamc@1094 1332 ctx->app->timeout,
adamc@736 1333 ctx->needs_sig ? "sig=\"" : "",
adamc@736 1334 sig,
adamc@736 1335 ctx->needs_sig ? "\";" : "");
adamc@679 1336 return r;
adamc@668 1337 }
adamc@667 1338 }
adamc@667 1339
adamc@574 1340 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 1341 char *r, *s2;
adamc@574 1342
adamc@574 1343 uw_check_heap(ctx, strlen(s) * 4 + 2);
adamc@574 1344
adamc@666 1345 r = s2 = ctx->heap.front;
adamc@574 1346 *s2++ = '"';
adamc@574 1347
adamc@574 1348 for (; *s; s++) {
adam@1286 1349 unsigned char c = *s;
adamc@574 1350
adamc@574 1351 switch (c) {
adamc@574 1352 case '"':
adamc@574 1353 strcpy(s2, "\\\"");
adamc@574 1354 s2 += 2;
adamc@574 1355 break;
adamc@1027 1356 case '\'':
adamc@1027 1357 strcpy(s2, "\\047");
adamc@1027 1358 s2 += 4;
adamc@1027 1359 break;
adamc@574 1360 case '\\':
adamc@574 1361 strcpy(s2, "\\\\");
adamc@574 1362 s2 += 2;
adamc@574 1363 break;
adamc@574 1364 default:
adam@1286 1365 if (isprint((int)c) || c >= 128)
adamc@574 1366 *s2++ = c;
adamc@574 1367 else {
adamc@574 1368 sprintf(s2, "\\%3o", c);
adamc@574 1369 s2 += 4;
adamc@574 1370 }
adamc@574 1371 }
adamc@574 1372 }
adamc@574 1373
adamc@574 1374 strcpy(s2, "\"");
adamc@910 1375 ctx->heap.front = s2 + 2;
adamc@574 1376 return r;
adamc@574 1377 }
adamc@574 1378
adam@1286 1379 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286 1380 unsigned char c = c1;
adamc@1025 1381 char *r, *s2;
adamc@1025 1382
adamc@1025 1383 uw_check_heap(ctx, 6);
adamc@1025 1384
adamc@1025 1385 r = s2 = ctx->heap.front;
adamc@1025 1386 *s2++ = '"';
adamc@1025 1387
adamc@1025 1388 switch (c) {
adamc@1025 1389 case '"':
adamc@1025 1390 strcpy(s2, "\\\"");
adamc@1025 1391 s2 += 2;
adamc@1025 1392 break;
adamc@1027 1393 case '\'':
adamc@1027 1394 strcpy(s2, "\\047");
adamc@1027 1395 s2 += 4;
adamc@1027 1396 break;
adamc@1025 1397 case '\\':
adamc@1025 1398 strcpy(s2, "\\\\");
adamc@1025 1399 s2 += 2;
adamc@1025 1400 break;
adamc@1025 1401 default:
adam@1286 1402 if (isprint((int)c) || c >= 128)
adamc@1025 1403 *s2++ = c;
adamc@1025 1404 else {
adam@1286 1405 sprintf(s2, "\\%3o", (unsigned char)c);
adamc@1025 1406 s2 += 4;
adamc@1025 1407 }
adamc@1025 1408 }
adamc@1025 1409
adamc@1025 1410 strcpy(s2, "\"");
adamc@1025 1411 ctx->heap.front = s2 + 2;
adamc@1025 1412 return r;
adamc@1025 1413 }
adamc@1025 1414
adamc@574 1415 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 1416 char *r, *s2;
adamc@574 1417
adamc@574 1418 uw_check_script(ctx, strlen(s) * 4 + 2);
adamc@574 1419
adamc@666 1420 r = s2 = ctx->script.front;
adamc@574 1421 *s2++ = '"';
adamc@574 1422
adamc@574 1423 for (; *s; s++) {
adam@1286 1424 unsigned char c = *s;
adamc@574 1425
adamc@574 1426 switch (c) {
adamc@577 1427 case '\'':
adamc@1027 1428 strcpy(s2, "\\");
adamc@574 1429 s2 += 2;
adamc@574 1430 break;
adamc@574 1431 case '\\':
adamc@574 1432 strcpy(s2, "\\\\");
adamc@574 1433 s2 += 2;
adamc@574 1434 break;
adamc@574 1435 default:
adam@1286 1436 if (isprint((int)c) || c >= 128)
adamc@574 1437 *s2++ = c;
adamc@574 1438 else {
adamc@574 1439 sprintf(s2, "\\%3o", c);
adamc@574 1440 s2 += 4;
adamc@574 1441 }
adamc@574 1442 }
adamc@574 1443 }
adamc@574 1444
adamc@574 1445 strcpy(s2, "\"");
adamc@666 1446 ctx->script.front = s2 + 1;
adamc@574 1447 return r;
adamc@574 1448 }
adamc@574 1449
adamc@682 1450 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1451 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1452 return "null";
adamc@682 1453 else {
adamc@682 1454 int len;
adamc@682 1455 char *r;
adamc@682 1456
adamc@682 1457 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1458 r = ctx->heap.front;
adamc@682 1459 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1460 ctx->heap.front += len+1;
adamc@682 1461 return r;
adamc@682 1462 }
adamc@682 1463 }
adamc@682 1464
adamc@577 1465 uw_Basis_int uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 1466 int len;
adamc@577 1467 size_t s_len = strlen(s);
adamc@562 1468
adamc@970 1469 uw_check_script(ctx, 18 + INTS_MAX + s_len);
adamc@970 1470 sprintf(ctx->script.front, "var s%d=sc(exec(%n", ctx->source_count, &len);
adamc@666 1471 ctx->script.front += len;
adamc@666 1472 strcpy(ctx->script.front, s);
adamc@666 1473 ctx->script.front += s_len;
adamc@970 1474 strcpy(ctx->script.front, "));");
adamc@972 1475 ctx->script.front += 3;
adamc@562 1476
adamc@565 1477 return ctx->source_count++;
adamc@117 1478 }
adamc@117 1479
adamc@577 1480 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_int n, uw_Basis_string s) {
adamc@577 1481 int len;
adamc@577 1482 size_t s_len = strlen(s);
adamc@577 1483
adamc@970 1484 uw_check_script(ctx, 12 + INTS_MAX + s_len);
adamc@970 1485 sprintf(ctx->script.front, "sv(s%d,exec(%n", (int)n, &len);
adamc@666 1486 ctx->script.front += len;
adamc@666 1487 strcpy(ctx->script.front, s);
adamc@666 1488 ctx->script.front += s_len;
adamc@970 1489 strcpy(ctx->script.front, "));");
adamc@972 1490 ctx->script.front += 3;
adamc@577 1491
adamc@577 1492 return uw_unit_v;
adamc@577 1493 }
adamc@577 1494
adamc@311 1495 static void uw_check(uw_context ctx, size_t extra) {
adam@1369 1496 ctx_uw_buffer_check(ctx, "page", &ctx->page, extra);
adamc@117 1497 }
adamc@117 1498
adamc@311 1499 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 1500 *(ctx->page.front)++ = c;
adamc@117 1501 }
adamc@117 1502
adamc@311 1503 void uw_writec(uw_context ctx, char c) {
adamc@311 1504 uw_check(ctx, 1);
adamc@311 1505 uw_writec_unsafe(ctx, c);
adamc@117 1506 }
adamc@117 1507
adamc@311 1508 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 1509 int len = strlen(s);
adamc@666 1510 memcpy(ctx->page.front, s, len);
adamc@666 1511 ctx->page.front += len;
adamc@117 1512 }
adamc@117 1513
adamc@311 1514 void uw_write(uw_context ctx, const char* s) {
adamc@311 1515 uw_check(ctx, strlen(s) + 1);
adamc@311 1516 uw_write_unsafe(ctx, s);
adamc@666 1517 *ctx->page.front = 0;
adamc@102 1518 }
adamc@106 1519
adamc@311 1520 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 1521 char *result;
adamc@136 1522 int len;
adamc@311 1523 uw_check_heap(ctx, INTS_MAX);
adamc@666 1524 result = ctx->heap.front;
adamc@276 1525 sprintf(result, "%lld%n", n, &len);
adamc@666 1526 ctx->heap.front += len+1;
adamc@136 1527 return result;
adamc@106 1528 }
adamc@106 1529
adamc@311 1530 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 1531 char *result;
adamc@136 1532 int len;
adamc@311 1533 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1534 result = ctx->heap.front;
adamc@136 1535 sprintf(result, "%g%n", n, &len);
adamc@666 1536 ctx->heap.front += len+1;
adamc@136 1537 return result;
adamc@106 1538 }
adamc@106 1539
adamc@311 1540 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 1541 int len = strlen(s);
adamc@136 1542 char *result, *p;
adamc@311 1543 uw_check_heap(ctx, len * 6 + 1);
adamc@136 1544
adamc@666 1545 result = p = ctx->heap.front;
adamc@136 1546
adamc@136 1547 for (; *s; s++) {
adamc@1054 1548 unsigned char c = *s;
adamc@136 1549
adamc@136 1550 if (c == '"') {
adamc@136 1551 strcpy(p, "&quot;");
adamc@136 1552 p += 6;
adamc@136 1553 } else if (c == '&') {
adamc@136 1554 strcpy(p, "&amp;");
adamc@136 1555 p += 5;
adamc@136 1556 }
adamc@1059 1557 else
adamc@136 1558 *p++ = c;
adamc@136 1559 }
adamc@136 1560
adamc@137 1561 *p++ = 0;
adamc@666 1562 ctx->heap.front = p;
adamc@136 1563 return result;
adamc@106 1564 }
adamc@106 1565
adamc@1011 1566 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 1567 char *result, *p;
adamc@1011 1568 uw_check_heap(ctx, 7);
adamc@1011 1569
adamc@1011 1570 result = p = ctx->heap.front;
adamc@1011 1571
adamc@1011 1572 if (c == '"') {
adamc@1011 1573 strcpy(p, "&quot;");
adamc@1011 1574 p += 6;
adamc@1011 1575 } else if (c == '&') {
adamc@1011 1576 strcpy(p, "&amp;");
adamc@1011 1577 p += 5;
adamc@1011 1578 }
adamc@1059 1579 else
adamc@1011 1580 *p++ = c;
adamc@1011 1581
adamc@1011 1582 *p++ = 0;
adamc@1011 1583 ctx->heap.front = p;
adamc@1011 1584 return result;
adamc@1011 1585 }
adamc@1011 1586
adamc@721 1587 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721 1588 return s;
adamc@721 1589 }
adamc@721 1590
adamc@311 1591 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 1592 int len;
adamc@117 1593
adamc@666 1594 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1595 ctx->page.front += len;
adamc@106 1596 }
adamc@106 1597
adamc@428 1598 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1599 uw_check(ctx, INTS_MAX);
adamc@311 1600 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 1601
adamc@428 1602 return uw_unit_v;
adamc@106 1603 }
adamc@106 1604
adamc@428 1605 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 1606 int len;
adamc@117 1607
adamc@311 1608 uw_check(ctx, FLOATS_MAX);
adamc@666 1609 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1610 ctx->page.front += len;
adamc@428 1611
adamc@428 1612 return uw_unit_v;
adamc@117 1613 }
adamc@117 1614
adamc@428 1615 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1616 uw_check(ctx, strlen(s) * 6);
adamc@117 1617
adamc@106 1618 for (; *s; s++) {
adamc@1054 1619 unsigned char c = *s;
adamc@106 1620
adamc@106 1621 if (c == '"')
adamc@311 1622 uw_write_unsafe(ctx, "&quot;");
adamc@136 1623 else if (c == '&')
adamc@311 1624 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1625 else
adamc@311 1626 uw_writec_unsafe(ctx, c);
adamc@106 1627 }
adamc@428 1628
adamc@428 1629 return uw_unit_v;
adamc@106 1630 }
adamc@120 1631
adamc@1011 1632 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011 1633 uw_check(ctx, 6);
adamc@1011 1634
adamc@1011 1635 if (c == '"')
adamc@1011 1636 uw_write_unsafe(ctx, "&quot;");
adamc@1011 1637 else if (c == '&')
adamc@1011 1638 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1639 else
adamc@1011 1640 uw_writec_unsafe(ctx, c);
adamc@1011 1641
adamc@1011 1642 return uw_unit_v;
adamc@1011 1643 }
adamc@1011 1644
adamc@120 1645
adamc@311 1646 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 1647 int len;
adamc@137 1648 char *r;
adamc@137 1649
adamc@311 1650 uw_check_heap(ctx, INTS_MAX);
adamc@666 1651 r = ctx->heap.front;
adamc@276 1652 sprintf(r, "%lld%n", n, &len);
adamc@666 1653 ctx->heap.front += len+1;
adamc@137 1654 return r;
adamc@120 1655 }
adamc@120 1656
adamc@682 1657 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1658 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1659 return "";
adamc@682 1660 else {
adamc@682 1661 int len;
adamc@682 1662 char *r;
adamc@679 1663
adamc@682 1664 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1665 r = ctx->heap.front;
adamc@682 1666 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1667 ctx->heap.front += len+1;
adamc@682 1668 return r;
adamc@682 1669 }
adamc@679 1670 }
adamc@679 1671
adamc@311 1672 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 1673 int len;
adamc@137 1674 char *r;
adamc@137 1675
adamc@311 1676 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1677 r = ctx->heap.front;
adamc@137 1678 sprintf(r, "%g%n", n, &len);
adamc@666 1679 ctx->heap.front += len+1;
adamc@137 1680 return r;
adamc@120 1681 }
adamc@120 1682
adamc@311 1683 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1684 char *r, *p;
adamc@137 1685
adamc@925 1686 if (s[0] == '\0')
adamc@925 1687 return "_";
adamc@925 1688
adamc@925 1689 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925 1690
adamc@925 1691 r = p = ctx->heap.front;
adamc@925 1692 if (s[0] == '_')
adamc@925 1693 *p++ = '_';
adamc@925 1694
adamc@925 1695 for (; *s; s++) {
adamc@1087 1696 unsigned char c = *s;
adamc@137 1697
adamc@137 1698 if (c == ' ')
adamc@137 1699 *p++ = '+';
adamc@137 1700 else if (isalnum(c))
adamc@137 1701 *p++ = c;
adamc@137 1702 else {
adamc@1259 1703 sprintf(p, ".%02X", c);
adamc@137 1704 p += 3;
adamc@137 1705 }
adamc@137 1706 }
adamc@137 1707
adamc@137 1708 *p++ = 0;
adamc@666 1709 ctx->heap.front = p;
adamc@137 1710 return r;
adamc@120 1711 }
adamc@120 1712
adamc@311 1713 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1714 if (b == uw_Basis_False)
adamc@186 1715 return "0";
adamc@186 1716 else
adamc@186 1717 return "1";
adamc@186 1718 }
adamc@186 1719
adamc@311 1720 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1721 int len;
adamc@120 1722
adamc@666 1723 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1724 ctx->page.front += len;
adamc@120 1725 }
adamc@120 1726
adamc@428 1727 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1728 uw_check(ctx, INTS_MAX);
adamc@311 1729 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1730
adamc@428 1731 return uw_unit_v;
adamc@120 1732 }
adamc@120 1733
adamc@682 1734 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1735 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1736 int len;
adamc@682 1737
adamc@682 1738 uw_check(ctx, INTS_MAX + 1);
adamc@682 1739 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1740 ctx->page.front += len;
adamc@682 1741 }
adamc@682 1742
adamc@679 1743 return uw_unit_v;
adamc@679 1744 }
adamc@679 1745
adamc@428 1746 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1747 int len;
adamc@120 1748
adamc@311 1749 uw_check(ctx, FLOATS_MAX);
adamc@666 1750 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1751 ctx->page.front += len;
adamc@428 1752
adamc@428 1753 return uw_unit_v;
adamc@120 1754 }
adamc@120 1755
adamc@488 1756 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@1376 1757 return uw_Basis_urlifyInt(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adamc@488 1758 }
adamc@488 1759
adam@1404 1760 uw_unit uw_Basis_urlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1404 1761 return uw_Basis_urlifyInt_w(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adam@1404 1762 }
adam@1404 1763
adamc@428 1764 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925 1765 if (s[0] == '\0') {
adamc@925 1766 uw_check(ctx, 1);
adamc@925 1767 uw_writec_unsafe(ctx, '_');
adamc@925 1768 return uw_unit_v;
adamc@925 1769 }
adamc@925 1770
adamc@925 1771 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925 1772
adamc@925 1773 if (s[0] == '_')
adamc@925 1774 uw_writec_unsafe(ctx, '_');
adamc@120 1775
adamc@120 1776 for (; *s; s++) {
adamc@1087 1777 unsigned char c = *s;
adamc@120 1778
adamc@120 1779 if (c == ' ')
adamc@311 1780 uw_writec_unsafe(ctx, '+');
adamc@120 1781 else if (isalnum(c))
adamc@311 1782 uw_writec_unsafe(ctx, c);
adamc@120 1783 else {
adamc@1259 1784 sprintf(ctx->page.front, ".%02X", c);
adamc@666 1785 ctx->page.front += 3;
adamc@120 1786 }
adamc@120 1787 }
adamc@428 1788
adamc@428 1789 return uw_unit_v;
adamc@120 1790 }
adamc@120 1791
adamc@428 1792 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1793 if (b == uw_Basis_False)
adamc@311 1794 uw_writec(ctx, '0');
adamc@186 1795 else
adamc@311 1796 uw_writec(ctx, '1');
adamc@428 1797
adamc@428 1798 return uw_unit_v;
adamc@186 1799 }
adamc@186 1800
adamc@120 1801
adamc@311 1802 static char *uw_unurlify_advance(char *s) {
adamc@144 1803 char *new_s = strchr(s, '/');
adamc@120 1804
adamc@120 1805 if (new_s)
adamc@120 1806 *new_s++ = 0;
adamc@120 1807 else
adamc@144 1808 new_s = strchr(s, 0);
adamc@144 1809
adamc@144 1810 return new_s;
adamc@144 1811 }
adamc@144 1812
adamc@311 1813 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 1814 char *new_s = uw_unurlify_advance(*s);
adamc@311 1815 uw_Basis_int r;
adamc@120 1816
adamc@276 1817 r = atoll(*s);
adamc@120 1818 *s = new_s;
adamc@120 1819 return r;
adamc@120 1820 }
adamc@120 1821
adamc@311 1822 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 1823 char *new_s = uw_unurlify_advance(*s);
adamc@311 1824 uw_Basis_float r;
adamc@120 1825
adamc@120 1826 r = atof(*s);
adamc@120 1827 *s = new_s;
adamc@120 1828 return r;
adamc@120 1829 }
adamc@120 1830
adamc@488 1831 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adam@1365 1832 uw_Basis_int n = uw_Basis_unurlifyInt(ctx, s);
adam@1365 1833 uw_Basis_time r = {n / 1000000, n % 1000000};
adam@1365 1834 return r;
adamc@488 1835 }
adamc@488 1836
adamc@1023 1837 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char *r, char *s) {
adamc@927 1838 char *s1, *s2 = s;
adamc@144 1839 int n;
adamc@136 1840
adamc@1023 1841 if (!fromClient) {
adamc@1023 1842 if (*s2 == '_')
adamc@1023 1843 ++s2;
adamc@1259 1844 else if ((s2[0] == '%' || s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@1023 1845 s2 += 3;
adamc@1023 1846 }
adamc@925 1847
adamc@927 1848 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087 1849 unsigned char c = *s2;
adamc@136 1850
adamc@136 1851 switch (c) {
adamc@136 1852 case '+':
adamc@136 1853 *s1 = ' ';
adamc@136 1854 break;
adamc@136 1855 case '%':
adamc@169 1856 if (s2[1] == 0)
adamc@311 1857 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 1858 if (s2[2] == 0)
adamc@311 1859 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 1860 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@311 1861 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@136 1862 *s1 = n;
adamc@136 1863 s2 += 2;
adamc@136 1864 break;
adamc@1259 1865 case '.':
adamc@1259 1866 if (!fromClient) {
adamc@1259 1867 if (s2[1] == 0)
adamc@1259 1868 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259 1869 if (s2[2] == 0)
adamc@1259 1870 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259 1871 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@1259 1872 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@1259 1873 *s1 = n;
adamc@1259 1874 s2 += 2;
adamc@1259 1875 break;
adamc@1259 1876 }
adamc@136 1877 default:
adamc@136 1878 *s1 = c;
adamc@136 1879 }
adamc@136 1880 }
adamc@136 1881 *s1++ = 0;
adamc@144 1882 return s1;
adamc@144 1883 }
adamc@144 1884
adamc@311 1885 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 1886 char *new_s = uw_unurlify_advance(*s);
adamc@311 1887 uw_Basis_bool r;
adamc@186 1888
adamc@186 1889 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 1890 r = uw_Basis_False;
adamc@186 1891 else
adamc@311 1892 r = uw_Basis_True;
adamc@186 1893
adamc@186 1894 *s = new_s;
adamc@186 1895 return r;
adamc@186 1896 }
adamc@186 1897
adamc@311 1898 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 1899 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1900 char *r;
adamc@1134 1901 int len;
adamc@144 1902
adamc@200 1903 len = strlen(*s);
adamc@311 1904 uw_check_heap(ctx, len + 1);
adamc@144 1905
adamc@666 1906 r = ctx->heap.front;
adamc@1023 1907 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023 1908 *s = new_s;
adamc@1023 1909 return r;
adamc@1023 1910 }
adamc@1023 1911
adamc@1109 1912 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109 1913 *s = uw_unurlify_advance(*s);
adamc@1109 1914 return uw_unit_v;
adamc@1109 1915 }
adamc@1109 1916
adamc@1023 1917 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023 1918 char *new_s = uw_unurlify_advance(*s);
adamc@1134 1919 char *r;
adamc@1134 1920 int len;
adamc@1023 1921
adamc@1023 1922 len = strlen(*s);
adamc@1023 1923 uw_check_heap(ctx, len + 1);
adamc@1023 1924
adamc@1023 1925 r = ctx->heap.front;
adamc@1023 1926 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136 1927 *s = new_s;
adamc@136 1928 return r;
adamc@120 1929 }
adamc@135 1930
adamc@135 1931
adamc@311 1932 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 1933 int len;
adamc@286 1934 char *r;
adamc@286 1935
adamc@311 1936 uw_check_heap(ctx, INTS_MAX);
adamc@666 1937 r = ctx->heap.front;
adamc@286 1938 sprintf(r, "%lld%n", n, &len);
adamc@666 1939 ctx->heap.front += len+1;
adamc@286 1940 return r;
adamc@286 1941 }
adamc@286 1942
adamc@428 1943 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 1944 int len;
adamc@286 1945
adamc@311 1946 uw_check(ctx, INTS_MAX);
adamc@666 1947 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1948 ctx->page.front += len;
adamc@428 1949
adamc@428 1950 return uw_unit_v;
adamc@286 1951 }
adamc@286 1952
adam@1358 1953 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358 1954 unsigned int n = ch;
adam@1358 1955 int len;
adam@1358 1956 char *r;
adam@1358 1957
adam@1358 1958 uw_check_heap(ctx, INTS_MAX+3);
adam@1358 1959 r = ctx->heap.front;
adam@1358 1960 sprintf(r, "&#%u;%n", n, &len);
adam@1358 1961 ctx->heap.front += len+1;
adam@1358 1962 return r;
adam@1358 1963 }
adam@1358 1964
adam@1358 1965 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358 1966 unsigned int n = ch;
adam@1358 1967 int len;
adam@1358 1968
adam@1358 1969 uw_check(ctx, INTS_MAX+3);
adam@1358 1970 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358 1971 ctx->page.front += len;
adam@1358 1972 return uw_unit_v;
adam@1358 1973 }
adam@1358 1974
adamc@311 1975 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 1976 int len;
adamc@286 1977 char *r;
adamc@286 1978
adamc@311 1979 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1980 r = ctx->heap.front;
adamc@286 1981 sprintf(r, "%g%n", n, &len);
adamc@666 1982 ctx->heap.front += len+1;
adamc@286 1983 return r;
adamc@286 1984 }
adamc@286 1985
adamc@428 1986 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 1987 int len;
adamc@286 1988
adamc@311 1989 uw_check(ctx, FLOATS_MAX);
adamc@666 1990 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1991 ctx->page.front += len;
adamc@428 1992
adamc@428 1993 return uw_unit_v;
adamc@286 1994 }
adamc@286 1995
adam@1365 1996 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time t) {
adam@1360 1997 int len;
adam@1360 1998 char *r;
adam@1360 1999
adam@1360 2000 uw_check_heap(ctx, INTS_MAX);
adam@1360 2001 r = ctx->heap.front;
adamc@1377 2002 sprintf(r, "%lld%n", (uw_Basis_int)t.seconds * 1000000 + t.microseconds, &len);
adam@1360 2003 ctx->heap.front += len+1;
adam@1360 2004 return r;
adam@1360 2005 }
adam@1360 2006
adam@1365 2007 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_int n) {
adam@1360 2008 int len;
adam@1360 2009
adam@1360 2010 uw_check(ctx, INTS_MAX);
adam@1360 2011 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360 2012 ctx->page.front += len;
adam@1360 2013
adam@1360 2014 return uw_unit_v;
adam@1360 2015 }
adam@1360 2016
adamc@311 2017 char *uw_Basis_htmlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 2018 char *r, *s2;
adamc@137 2019
adamc@311 2020 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 2021
adamc@666 2022 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054 2023 unsigned char c = *s;
adamc@137 2024
adamc@137 2025 switch (c) {
adamc@137 2026 case '<':
adamc@137 2027 strcpy(s2, "&lt;");
adamc@137 2028 s2 += 4;
adamc@137 2029 break;
adamc@137 2030 case '&':
adamc@137 2031 strcpy(s2, "&amp;");
adamc@137 2032 s2 += 5;
adamc@137 2033 break;
adamc@137 2034 default:
adamc@1059 2035 *s2++ = c;
adamc@137 2036 }
adamc@137 2037 }
adamc@137 2038
adamc@137 2039 *s2++ = 0;
adamc@666 2040 ctx->heap.front = s2;
adamc@137 2041 return r;
adamc@135 2042 }
adamc@135 2043
adamc@428 2044 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 2045 uw_check(ctx, strlen(s) * 6);
adamc@135 2046
adamc@135 2047 for (; *s; s++) {
adamc@1054 2048 unsigned char c = *s;
adamc@135 2049
adamc@135 2050 switch (c) {
adamc@135 2051 case '<':
adamc@311 2052 uw_write_unsafe(ctx, "&lt;");
adamc@135 2053 break;
adamc@135 2054 case '&':
adamc@311 2055 uw_write_unsafe(ctx, "&amp;");
adamc@135 2056 break;
adamc@135 2057 default:
adamc@1059 2058 uw_writec_unsafe(ctx, c);
adamc@135 2059 }
adamc@135 2060 }
adamc@428 2061
adamc@428 2062 return uw_unit_v;
adamc@135 2063 }
adamc@180 2064
adamc@311 2065 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2066 if (b == uw_Basis_False)
adamc@286 2067 return "False";
adamc@286 2068 else
adamc@286 2069 return "True";
adamc@286 2070 }
adamc@286 2071
adamc@428 2072 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 2073 if (b == uw_Basis_False) {
adamc@311 2074 uw_check(ctx, 6);
adamc@666 2075 strcpy(ctx->page.front, "False");
adamc@666 2076 ctx->page.front += 5;
adamc@286 2077 } else {
adamc@311 2078 uw_check(ctx, 5);
adamc@666 2079 strcpy(ctx->page.front, "True");
adamc@666 2080 ctx->page.front += 4;
adamc@286 2081 }
adamc@428 2082
adamc@428 2083 return uw_unit_v;
adamc@286 2084 }
adamc@286 2085
adamc@436 2086 #define TIME_FMT "%x %X"
adamc@438 2087 #define TIME_FMT_PG "%Y-%m-%d %T"
adamc@436 2088
adamc@436 2089 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@436 2090 size_t len;
adamc@436 2091 char *r;
adam@1392 2092 struct tm stm = {};
adam@1392 2093 stm.tm_isdst = -1;
adamc@436 2094
adam@1365 2095 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2096 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2097 r = ctx->heap.front;
adamc@436 2098 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2099 ctx->heap.front += len+1;
adamc@436 2100 return r;
adamc@436 2101 } else
adamc@436 2102 return "<i>Invalid time</i>";
adamc@436 2103 }
adamc@436 2104
adamc@436 2105 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adamc@436 2106 size_t len;
adamc@436 2107 char *r;
adam@1392 2108 struct tm stm = {};
adam@1392 2109 stm.tm_isdst = -1;
adamc@436 2110
adam@1365 2111 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2112 uw_check(ctx, TIMES_MAX);
adamc@666 2113 r = ctx->page.front;
adamc@436 2114 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2115 ctx->page.front += len;
adamc@436 2116 } else {
adamc@436 2117 uw_check(ctx, 20);
adamc@666 2118 strcpy(ctx->page.front, "<i>Invalid time</i>");
adamc@666 2119 ctx->page.front += 19;
adamc@436 2120 }
adamc@436 2121
adamc@436 2122 return uw_unit_v;
adamc@436 2123 }
adamc@436 2124
adamc@821 2125 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2126 while (n >= 0) {
adam@1388 2127 if (*s == 0)
adam@1388 2128 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adam@1388 2129
adam@1388 2130 if (n == 0)
adam@1388 2131 return *s;
adam@1388 2132
adam@1388 2133 --n;
adam@1388 2134 ++s;
adam@1388 2135 }
adam@1388 2136
adam@1388 2137 uw_error(ctx, FATAL, "Negative strsub bound");
adamc@821 2138 }
adamc@821 2139
adamc@821 2140 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2141 while (n >= 0) {
adam@1388 2142 if (*s == 0 || n == 0)
adam@1388 2143 return s;
adam@1388 2144
adam@1388 2145 --n;
adam@1388 2146 ++s;
adam@1388 2147 }
adam@1388 2148
adam@1388 2149 uw_error(ctx, FATAL, "Negative strsuffix bound");
adamc@821 2150 }
adamc@821 2151
adamc@828 2152 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 2153 return strlen(s);
adamc@828 2154 }
adamc@828 2155
adam@1388 2156 uw_Basis_bool uw_Basis_strlenGe(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388 2157 while (n > 0) {
adam@1388 2158 if (*s == 0)
adam@1388 2159 return uw_Basis_False;
adam@1388 2160
adam@1388 2161 --n;
adam@1388 2162 ++s;
adam@1388 2163 }
adam@1388 2164
adam@1388 2165 return uw_Basis_True;
adam@1388 2166 }
adam@1388 2167
adamc@829 2168 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2169 return strchr(s, ch);
adamc@829 2170 }
adamc@829 2171
adamc@831 2172 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 2173 return strcspn(s, chs);
adamc@831 2174 }
adamc@831 2175
adamc@829 2176 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 2177 uw_Basis_string r = strchr(s, ch);
adamc@829 2178 if (r == NULL)
adamc@829 2179 return NULL;
adamc@829 2180 else {
adamc@829 2181 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 2182 *nr = r - s;
adamc@829 2183 return nr;
adamc@829 2184 }
adamc@829 2185 }
adamc@829 2186
adam@1390 2187 uw_Basis_int *uw_Basis_strsindex(uw_context ctx, const char *haystack, const char *needle) {
adam@1390 2188 uw_Basis_string r = strstr(haystack, needle);
adam@1390 2189 if (r == NULL)
adam@1390 2190 return NULL;
adam@1390 2191 else {
adam@1390 2192 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adam@1390 2193 *nr = r - haystack;
adam@1390 2194 return nr;
adam@1390 2195 }
adam@1390 2196 }
adam@1390 2197
adamc@311 2198 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 2199 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 2200 char *s;
adamc@180 2201
adamc@311 2202 uw_check_heap(ctx, len);
adamc@180 2203
adamc@666 2204 s = ctx->heap.front;
adamc@180 2205
adamc@180 2206 strcpy(s, s1);
adamc@180 2207 strcat(s, s2);
adamc@666 2208 ctx->heap.front += len;
adamc@180 2209
adamc@180 2210 return s;
adamc@180 2211 }
adamc@278 2212
adamc@829 2213 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 2214 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 2215
adamc@829 2216 if (start < 0)
adamc@829 2217 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 2218 if (len < 0)
adamc@829 2219 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 2220 if (start + len > full_len)
adamc@829 2221 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 2222
adamc@829 2223 if (start + len == full_len)
adamc@829 2224 return &s[start];
adamc@829 2225 else {
adamc@829 2226 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 2227 memcpy(r, s+start, len);
adamc@829 2228 r[len] = 0;
adamc@829 2229 return r;
adamc@829 2230 }
adamc@829 2231
adamc@829 2232 }
adamc@829 2233
adamc@1023 2234 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023 2235 char *r;
adamc@1023 2236
adamc@1023 2237 uw_check_heap(ctx, 2);
adamc@1023 2238 r = ctx->heap.front;
adamc@1023 2239 r[0] = ch;
adamc@1023 2240 r[1] = 0;
adamc@1023 2241
adamc@1023 2242 ctx->heap.front += 2;
adamc@1023 2243
adamc@1023 2244 return r;
adamc@1023 2245 }
adamc@1023 2246
adamc@737 2247 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 2248 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 2249 char *s;
adamc@278 2250
adamc@311 2251 uw_check_heap(ctx, len);
adamc@278 2252
adamc@666 2253 s = ctx->heap.front;
adamc@278 2254
adamc@278 2255 strcpy(s, s1);
adamc@666 2256 ctx->heap.front += len;
adamc@278 2257
adamc@278 2258 return s;
adamc@278 2259 }
adamc@280 2260
adam@1295 2261 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295 2262 if (ctx->error_message[0]) {
adam@1295 2263 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295 2264 ctx->error_message[0] = 0;
adam@1295 2265 return s;
adam@1295 2266 } else
adam@1295 2267 return NULL;
adam@1295 2268 }
adam@1295 2269
adamc@737 2270 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 2271 if (s1)
adamc@737 2272 return uw_strdup(ctx, s1);
adamc@493 2273 else
adamc@493 2274 return NULL;
adamc@493 2275 }
adamc@493 2276
adamc@742 2277 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 2278 char *r = uw_malloc(ctx, len);
adamc@742 2279 memcpy(r, p, len);
adamc@742 2280 return r;
adamc@742 2281 }
adamc@280 2282
adamc@879 2283 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 2284
adamc@311 2285 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 2286 int len;
adamc@281 2287 char *r;
adamc@281 2288
adamc@311 2289 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 2290 r = ctx->heap.front;
adamc@879 2291 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 2292 ctx->heap.front += len+1;
adamc@281 2293 return r;
adamc@281 2294 }
adamc@281 2295
adamc@467 2296 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 2297 if (n == NULL)
adamc@467 2298 return "NULL";
adamc@467 2299 else
adamc@467 2300 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 2301 }
adamc@467 2302
adamc@879 2303 char *uw_sqlfmtFloat = "%g::float8%n";
adamc@879 2304
adamc@311 2305 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 2306 int len;
adamc@281 2307 char *r;
adamc@281 2308
adamc@311 2309 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 2310 r = ctx->heap.front;
adamc@879 2311 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 2312 ctx->heap.front += len+1;
adamc@281 2313 return r;
adamc@281 2314 }
adamc@281 2315
adamc@467 2316 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 2317 if (n == NULL)
adamc@467 2318 return "NULL";
adamc@467 2319 else
adamc@467 2320 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 2321 }
adamc@467 2322
adamc@879 2323 int uw_Estrings = 1;
adamc@879 2324 char *uw_sqlsuffixString = "::text";
adamc@1011 2325 char *uw_sqlsuffixChar = "::char";
adamc@281 2326
adamc@311 2327 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 2328 char *r, *s2;
adamc@280 2329
adamc@879 2330 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 2331
adamc@666 2332 r = s2 = ctx->heap.front;
adamc@879 2333 if (uw_Estrings)
adamc@879 2334 *s2++ = 'E';
adamc@280 2335 *s2++ = '\'';
adamc@280 2336
adamc@280 2337 for (; *s; s++) {
adamc@280 2338 char c = *s;
adamc@280 2339
adamc@280 2340 switch (c) {
adamc@280 2341 case '\'':
adamc@885 2342 if (uw_Estrings)
adamc@885 2343 strcpy(s2, "\\'");
adamc@885 2344 else
adamc@885 2345 strcpy(s2, "''");
adamc@280 2346 s2 += 2;
adamc@280 2347 break;
adamc@280 2348 case '\\':
adamc@885 2349 if (uw_Estrings) {
adamc@885 2350 strcpy(s2, "\\\\");
adamc@885 2351 s2 += 2;
adamc@885 2352 } else
adamc@885 2353 *s2++ = '\\';
adamc@280 2354 break;
adamc@280 2355 default:
adamc@1150 2356 if (isprint((int)c))
adamc@280 2357 *s2++ = c;
adamc@879 2358 else if (uw_Estrings) {
adamc@737 2359 sprintf(s2, "\\%03o", c);
adamc@280 2360 s2 += 4;
adamc@280 2361 }
adamc@879 2362 else
adamc@879 2363 uw_error(ctx, FATAL, "Non-printable character %u in string to SQLify", c);
adamc@280 2364 }
adamc@280 2365 }
adamc@280 2366
adamc@879 2367 *s2++ = '\'';
adamc@879 2368 strcpy(s2, uw_sqlsuffixString);
adamc@879 2369 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2370 return r;
adamc@280 2371 }
adamc@281 2372
adamc@1011 2373 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 2374 char *r, *s2;
adamc@1011 2375
adamc@1011 2376 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011 2377
adamc@1011 2378 r = s2 = ctx->heap.front;
adamc@1011 2379 if (uw_Estrings)
adamc@1011 2380 *s2++ = 'E';
adamc@1011 2381 *s2++ = '\'';
adamc@1011 2382
adamc@1011 2383 switch (c) {
adamc@1011 2384 case '\'':
adamc@1011 2385 if (uw_Estrings)
adamc@1011 2386 strcpy(s2, "\\'");
adamc@1011 2387 else
adamc@1011 2388 strcpy(s2, "''");
adamc@1011 2389 s2 += 2;
adamc@1011 2390 break;
adamc@1011 2391 case '\\':
adamc@1011 2392 if (uw_Estrings) {
adamc@1011 2393 strcpy(s2, "\\\\");
adamc@1011 2394 s2 += 2;
adamc@1011 2395 } else
adamc@1011 2396 *s2++ = '\\';
adamc@1011 2397 break;
adamc@1011 2398 default:
adamc@1150 2399 if (isprint((int)c))
adamc@1011 2400 *s2++ = c;
adamc@1011 2401 else if (uw_Estrings) {
adamc@1011 2402 sprintf(s2, "\\%03o", c);
adamc@1011 2403 s2 += 4;
adamc@1011 2404 }
adamc@1011 2405 else
adamc@1011 2406 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011 2407 }
adamc@1011 2408
adamc@1011 2409 *s2++ = '\'';
adamc@1011 2410 strcpy(s2, uw_sqlsuffixChar);
adamc@1011 2411 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011 2412 return r;
adamc@1011 2413 }
adamc@1011 2414
adamc@879 2415 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2416
adamc@737 2417 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2418 char *r, *s2;
adamc@737 2419 size_t i;
adamc@737 2420
adamc@879 2421 uw_check_heap(ctx, b.size * 5 + 3 + uw_Estrings + strlen(uw_sqlsuffixBlob));
adamc@737 2422
adamc@737 2423 r = s2 = ctx->heap.front;
adamc@879 2424 if (uw_Estrings)
adamc@879 2425 *s2++ = 'E';
adamc@737 2426 *s2++ = '\'';
adamc@737 2427
adamc@737 2428 for (i = 0; i < b.size; ++i) {
adamc@737 2429 char c = b.data[i];
adamc@737 2430
adamc@737 2431 switch (c) {
adamc@737 2432 case '\'':
adamc@885 2433 if (uw_Estrings)
adamc@885 2434 strcpy(s2, "\\'");
adamc@885 2435 else
adamc@885 2436 strcpy(s2, "''");
adamc@737 2437 s2 += 2;
adamc@737 2438 break;
adamc@737 2439 case '\\':
adamc@885 2440 if (uw_Estrings) {
adamc@885 2441 strcpy(s2, "\\\\\\\\");
adamc@885 2442 s2 += 4;
adamc@885 2443 } else
adamc@885 2444 *s2++ = '\\';
adamc@737 2445 break;
adamc@737 2446 default:
adamc@1150 2447 if (isprint((int)c))
adamc@737 2448 *s2++ = c;
adamc@879 2449 else if (uw_Estrings) {
adamc@737 2450 sprintf(s2, "\\\\%03o", c);
adamc@737 2451 s2 += 5;
adamc@737 2452 }
adamc@879 2453 else
adamc@879 2454 uw_error(ctx, FATAL, "Non-printable character %u in blob to SQLify", c);
adamc@737 2455 }
adamc@737 2456 }
adamc@737 2457
adamc@879 2458 *s2++ = '\'';
adamc@879 2459 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2460 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2461 return r;
adamc@737 2462 }
adamc@737 2463
adamc@682 2464 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2465 int len;
adamc@682 2466 char *r;
adamc@682 2467 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2468
adamc@682 2469 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2470 r = ctx->heap.front;
adamc@879 2471 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2472 ctx->heap.front += len+1;
adamc@682 2473 return r;
adamc@682 2474 }
adamc@682 2475
adamc@682 2476 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2477 int len;
adamc@682 2478 char *r;
adamc@682 2479 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2480
adamc@682 2481 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2482 r = ctx->heap.front;
adamc@682 2483 sprintf(r, "%lld%n", combo, &len);
adamc@682 2484 ctx->heap.front += len+1;
adamc@682 2485 return r;
adamc@682 2486 }
adamc@682 2487
adamc@879 2488 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2489
adamc@682 2490 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2491 int len;
adamc@682 2492 char *r;
adamc@682 2493
adamc@682 2494 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2495 r = ctx->heap.front;
adamc@879 2496 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2497 ctx->heap.front += len+1;
adamc@682 2498 return r;
adamc@682 2499 }
adamc@682 2500
adamc@682 2501 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2502 int len;
adamc@682 2503 char *r;
adamc@682 2504
adamc@682 2505 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2506 r = ctx->heap.front;
adamc@682 2507 sprintf(r, "%u%n", cli, &len);
adamc@682 2508 ctx->heap.front += len+1;
adamc@682 2509 return r;
adamc@682 2510 }
adamc@682 2511
adamc@467 2512 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2513 if (s == NULL)
adamc@467 2514 return "NULL";
adamc@467 2515 else
adamc@467 2516 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2517 }
adamc@467 2518
adamc@311 2519 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2520 if (b == uw_Basis_False)
adamc@281 2521 return "FALSE";
adamc@281 2522 else
adamc@281 2523 return "TRUE";
adamc@281 2524 }
adamc@282 2525
adamc@467 2526 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2527 if (b == NULL)
adamc@467 2528 return "NULL";
adamc@467 2529 else
adamc@467 2530 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2531 }
adamc@467 2532
adamc@439 2533 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2534 size_t len;
adamc@682 2535 char *r, *s;
adam@1392 2536 struct tm stm = {};
adam@1392 2537 stm.tm_isdst = -1;
adamc@682 2538
adam@1365 2539 if (localtime_r(&t.seconds, &stm)) {
adamc@682 2540 s = uw_malloc(ctx, TIMES_MAX);
adam@1364 2541 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1367 2542 if (t.microseconds) {
adam@1367 2543 r = uw_malloc(ctx, len + 21);
adam@1367 2544 sprintf(r, "'%s.%06u'::timestamp", s, t.microseconds);
adam@1367 2545 } else {
adam@1367 2546 r = uw_malloc(ctx, len + 14);
adam@1367 2547 sprintf(r, "'%s'::timestamp", s);
adam@1367 2548 }
adamc@682 2549 return r;
adamc@682 2550 } else
adamc@682 2551 return "<Invalid time>";
adamc@682 2552 }
adamc@682 2553
adamc@682 2554 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2555 size_t len;
adamc@439 2556 char *r;
adam@1392 2557 struct tm stm = {};
adam@1392 2558 stm.tm_isdst = -1;
adamc@439 2559
adam@1365 2560 if (localtime_r(&t.seconds, &stm)) {
adamc@439 2561 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2562 r = ctx->heap.front;
adamc@439 2563 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2564 ctx->heap.front += len+1;
adamc@439 2565 return r;
adamc@439 2566 } else
adamc@439 2567 return "<Invalid time>";
adamc@439 2568 }
adamc@439 2569
adam@1364 2570 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364 2571 size_t len;
adam@1364 2572 char *r;
adam@1392 2573 struct tm stm = {};
adam@1392 2574 stm.tm_isdst = -1;
adam@1364 2575
adam@1365 2576 if (localtime_r(&t.seconds, &stm)) {
adam@1364 2577 uw_check_heap(ctx, TIMES_MAX);
adam@1364 2578 r = ctx->heap.front;
adam@1365 2579 len = strftime(r, TIMES_MAX-7, TIME_FMT_PG, &stm);
adam@1365 2580 ctx->heap.front += len;
adam@1365 2581 sprintf(ctx->heap.front, ".%06u", t.microseconds);
adam@1365 2582 ctx->heap.front += 8;
adam@1364 2583 return r;
adam@1364 2584 } else
adam@1364 2585 return "<Invalid time>";
adam@1364 2586 }
adam@1364 2587
adamc@467 2588 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2589 if (t == NULL)
adamc@467 2590 return "NULL";
adamc@467 2591 else
adamc@467 2592 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2593 }
adamc@467 2594
adamc@311 2595 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2596 static uw_Basis_int true = 1;
adamc@311 2597 static uw_Basis_int false = 0;
adamc@282 2598
adamc@311 2599 if (b == uw_Basis_False)
adamc@282 2600 return (char *)&false;
adamc@282 2601 else
adamc@282 2602 return (char *)&true;
adamc@282 2603 }
adamc@284 2604
adamc@311 2605 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2606 int len;
adamc@284 2607 char *r;
adamc@284 2608
adamc@311 2609 uw_check_heap(ctx, INTS_MAX);
adamc@666 2610 r = ctx->heap.front;
adamc@284 2611 sprintf(r, "%lld%n", n, &len);
adamc@666 2612 ctx->heap.front += len+1;
adamc@284 2613 return r;
adamc@284 2614 }
adamc@285 2615
adamc@311 2616 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2617 int len;
adamc@285 2618 char *r;
adamc@285 2619
adamc@311 2620 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2621 r = ctx->heap.front;
adamc@285 2622 sprintf(r, "%g%n", n, &len);
adamc@666 2623 ctx->heap.front += len+1;
adamc@285 2624 return r;
adamc@285 2625 }
adamc@285 2626
adamc@821 2627 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2628 char *r = uw_malloc(ctx, 2);
adamc@821 2629 r[0] = ch;
adamc@821 2630 r[1] = 0;
adamc@821 2631 return r;
adamc@821 2632 }
adamc@821 2633
adamc@311 2634 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2635 if (b == uw_Basis_False)
adamc@285 2636 return "False";
adamc@285 2637 else
adamc@285 2638 return "True";
adamc@285 2639 }
adamc@288 2640
adamc@436 2641 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adamc@436 2642 size_t len;
adamc@436 2643 char *r;
adam@1392 2644 struct tm stm = {};
adam@1392 2645 stm.tm_isdst = -1;
adamc@436 2646
adam@1365 2647 if (localtime_r(&t.seconds, &stm)) {
adamc@436 2648 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2649 r = ctx->heap.front;
adamc@436 2650 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2651 ctx->heap.front += len+1;
adamc@436 2652 return r;
adamc@436 2653 } else
adamc@436 2654 return "<Invalid time>";
adamc@436 2655 }
adamc@288 2656
adam@1359 2657 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352 2658 size_t len;
adam@1352 2659 char *r;
adam@1392 2660 struct tm stm = {};
adam@1392 2661 stm.tm_isdst = -1;
adam@1352 2662
adam@1365 2663 if (localtime_r(&t.seconds, &stm)) {
adam@1352 2664 uw_check_heap(ctx, TIMES_MAX);
adam@1352 2665 r = ctx->heap.front;
adam@1352 2666 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352 2667 ctx->heap.front += len+1;
adam@1352 2668 return r;
adam@1352 2669 } else
adam@1352 2670 return "<Invalid time>";
adam@1352 2671 }
adam@1352 2672
adamc@311 2673 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2674 char *endptr;
adamc@311 2675 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2676
adamc@288 2677 if (*s != '\0' && *endptr == '\0') {
adamc@311 2678 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2679 *r = n;
adamc@288 2680 return r;
adamc@288 2681 } else
adamc@288 2682 return NULL;
adamc@288 2683 }
adamc@289 2684
adamc@311 2685 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2686 char *endptr;
adamc@311 2687 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2688
adamc@289 2689 if (*s != '\0' && *endptr == '\0') {
adamc@311 2690 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2691 *r = n;
adamc@289 2692 return r;
adamc@289 2693 } else
adamc@289 2694 return NULL;
adamc@289 2695 }
adamc@289 2696
adamc@821 2697 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2698 if (s[0] == 0) {
adamc@821 2699 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2700 r[0] = 0;
adamc@821 2701 return r;
adamc@821 2702 } else if (s[1] != 0)
adamc@821 2703 return NULL;
adamc@821 2704 else {
adamc@821 2705 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2706 r[0] = s[0];
adamc@821 2707 return r;
adamc@821 2708 }
adamc@821 2709 }
adamc@821 2710
adamc@311 2711 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2712 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2713 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2714
adamc@289 2715 if (!strcasecmp (s, "True"))
adamc@289 2716 return &true;
adamc@289 2717 else if (!strcasecmp (s, "False"))
adamc@289 2718 return &false;
adamc@289 2719 else
adamc@289 2720 return NULL;
adamc@289 2721 }
adamc@292 2722
adamc@436 2723 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2724 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1374 2725 struct tm stm = {};
adam@1392 2726 stm.tm_isdst = -1;
adamc@436 2727
adamc@439 2728 if (dot) {
adamc@439 2729 *dot = 0;
adamc@439 2730 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2731 *dot = '.';
adamc@439 2732 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2733 r->seconds = mktime(&stm);
adam@1365 2734 r->microseconds = 0;
adamc@439 2735 return r;
adamc@439 2736 }
adamc@439 2737 else {
adamc@439 2738 *dot = '.';
adamc@439 2739 return NULL;
adamc@439 2740 }
adamc@436 2741 }
adamc@439 2742 else {
adamc@439 2743 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2744 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2745 r->seconds = mktime(&stm);
adam@1365 2746 r->microseconds = 0;
adamc@439 2747 return r;
adamc@439 2748 }
adamc@439 2749 else if (strptime(s, TIME_FMT, &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
adamc@439 2756 return NULL;
adamc@439 2757 }
adamc@436 2758 }
adamc@436 2759
adam@1352 2760 uw_Basis_time *uw_Basis_stringToTimef(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2761 char *end = strchr(s, 0);
adam@1374 2762 struct tm stm = {};
adam@1392 2763 stm.tm_isdst = -1;
adam@1352 2764
adam@1352 2765 if (strptime(s, fmt, &stm) == end) {
adam@1352 2766 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365 2767 r->seconds = mktime(&stm);
adam@1365 2768 r->microseconds = 0;
adam@1352 2769 return r;
adam@1352 2770 }
adam@1352 2771 else
adam@1352 2772 return NULL;
adam@1352 2773 }
adam@1352 2774
adamc@311 2775 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 2776 char *endptr;
adamc@311 2777 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 2778
adamc@292 2779 if (*s != '\0' && *endptr == '\0')
adamc@292 2780 return n;
adamc@292 2781 else
adamc@311 2782 uw_error(ctx, FATAL, "Can't parse int: %s", s);
adamc@292 2783 }
adamc@293 2784
adamc@682 2785 #include <errno.h>
adamc@682 2786
adamc@678 2787 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 2788 unsigned long long n;
adamc@682 2789
adamc@682 2790 if (sscanf(s, "%llu", &n) < 1)
adamc@682 2791 uw_error(ctx, FATAL, "Can't parse channel: %s", s);
adamc@682 2792 else {
adamc@682 2793 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 2794 return ch;
adamc@682 2795 }
adamc@682 2796 }
adamc@682 2797
adamc@682 2798 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 2799 char *endptr;
adamc@682 2800 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 2801
adamc@678 2802 if (*s != '\0' && *endptr == '\0')
adamc@678 2803 return n;
adamc@678 2804 else
adamc@682 2805 uw_error(ctx, FATAL, "Can't parse client: %s", s);
adamc@678 2806 }
adamc@678 2807
adamc@311 2808 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 2809 char *endptr;
adamc@311 2810 uw_Basis_float n = strtod(s, &endptr);
adamc@293 2811
adamc@293 2812 if (*s != '\0' && *endptr == '\0')
adamc@293 2813 return n;
adamc@293 2814 else
adamc@311 2815 uw_error(ctx, FATAL, "Can't parse float: %s", s);
adamc@293 2816 }
adamc@293 2817
adamc@821 2818 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 2819 if (s[0] == 0)
adamc@821 2820 return 0;
adamc@821 2821 else if (s[1] != 0)
adamc@821 2822 uw_error(ctx, FATAL, "Can't parse char: %s", s);
adamc@821 2823 else
adamc@821 2824 return s[0];
adamc@821 2825 }
adamc@821 2826
adamc@311 2827 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 2828 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 2829 return uw_Basis_True;
adamc@296 2830 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 2831 return uw_Basis_False;
adamc@293 2832 else
adamc@311 2833 uw_error(ctx, FATAL, "Can't parse bool: %s", s);
adamc@293 2834 }
adamc@436 2835
adam@1352 2836 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352 2837 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adam@1352 2838 struct tm stm = {};
adam@1392 2839 stm.tm_isdst = -1;
adam@1352 2840
adam@1352 2841 if (dot) {
adam@1352 2842 *dot = 0;
adam@1352 2843 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352 2844 *dot = '.';
adam@1365 2845 uw_Basis_time r = { mktime(&stm), atoi(dot+1) };
adam@1365 2846 return r;
adam@1352 2847 }
adam@1352 2848 else {
adam@1352 2849 *dot = '.';
adam@1352 2850 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adam@1352 2851 }
adam@1352 2852 }
adam@1352 2853 else {
adam@1352 2854 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 2855 uw_Basis_time r = { mktime(&stm) };
adam@1365 2856 return r;
adam@1352 2857 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 2858 uw_Basis_time r = { mktime(&stm) };
adam@1365 2859 return r;
adam@1352 2860 } else
adam@1352 2861 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adam@1352 2862 }
adam@1352 2863 }
adam@1352 2864
adamc@436 2865 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 2866 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2867 struct tm stm = {};
adam@1392 2868 stm.tm_isdst = -1;
adamc@436 2869
adamc@438 2870 if (dot) {
adamc@438 2871 *dot = 0;
adamc@438 2872 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 2873 *dot = '.';
adam@1365 2874 {
adam@1365 2875 uw_Basis_time r = { mktime(&stm) };
adam@1365 2876 return r;
adam@1365 2877 }
adamc@438 2878 }
adamc@438 2879 else {
adamc@438 2880 *dot = '.';
adamc@438 2881 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 2882 }
adamc@438 2883 }
adamc@438 2884 else {
adam@1365 2885 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365 2886 uw_Basis_time r = { mktime(&stm) };
adam@1365 2887 return r;
adam@1365 2888 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365 2889 uw_Basis_time r = { mktime(&stm) };
adam@1365 2890 return r;
adam@1365 2891 } else
adamc@438 2892 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 2893 }
adamc@436 2894 }
adamc@457 2895
adam@1352 2896 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352 2897 char *end = strchr(s, 0);
adamc@939 2898 struct tm stm = {};
adam@1392 2899 stm.tm_isdst = -1;
adamc@939 2900
adam@1365 2901 if (strptime(s, fmt, &stm) == end) {
adam@1365 2902 uw_Basis_time r = { mktime(&stm) };
adam@1365 2903 return r;
adam@1365 2904 } else
adam@1352 2905 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@939 2906 }
adamc@939 2907
adamc@742 2908 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 2909 char *r = ctx->heap.front;
adamc@742 2910 uw_Basis_blob b = {len, r};
adamc@742 2911
adamc@742 2912 uw_check_heap(ctx, len);
adamc@742 2913
adamc@742 2914 while (*s) {
adamc@742 2915 if (s[0] == '\\') {
adamc@742 2916 if (s[1] == '\\') {
adamc@742 2917 *r++ = '\\';
adamc@742 2918 s += 2;
adamc@1153 2919 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adamc@742 2920 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adamc@742 2921 s += 4;
adamc@742 2922 }
adamc@742 2923 else {
adamc@742 2924 *r++ = '\\';
adamc@742 2925 ++s;
adamc@742 2926 }
adamc@742 2927 } else {
adamc@742 2928 *r++ = s[0];
adamc@742 2929 ++s;
adamc@742 2930 }
adamc@742 2931 }
adamc@742 2932
adamc@742 2933 b.size = r - ctx->heap.front;
adamc@742 2934 ctx->heap.front = r;
adamc@742 2935 return b;
adamc@742 2936 }
adamc@742 2937
adam@1402 2938 #define THE_PAST "expires=Sat, 01-Jan-2011 00:00:00 GMT"
adamc@1052 2939
adamc@463 2940 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 2941 int len = strlen(c);
adamc@854 2942 char *p = ctx->outHeaders.start;
adamc@474 2943
adamc@1134 2944 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474 2945 char *p2;
adamc@474 2946 p += 13;
adamc@474 2947 p2 = strchr(p, '=');
adamc@474 2948
adamc@474 2949 if (p2) {
adamc@474 2950 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 2951
adamc@474 2952 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052 2953 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052 2954 return NULL;
adamc@1052 2955 else {
adamc@1052 2956 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052 2957 memcpy(ret, p2+1, sz);
adamc@1052 2958 ret[sz] = 0;
adamc@1052 2959 return ret;
adamc@1052 2960 }
adamc@474 2961 }
adamc@474 2962 }
adamc@474 2963 }
adamc@463 2964
adamc@1134 2965 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051 2966 char *p2;
adamc@1051 2967
adamc@854 2968 while (1) {
adamc@1051 2969 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134 2970 if ((p2 = strchr(p, ';'))) {
adamc@1051 2971 size_t n = p2 - (p + len);
adamc@1051 2972 char *r = uw_malloc(ctx, n);
adamc@1051 2973 memcpy(r, p + 1 + len, n-1);
adamc@1051 2974 r[n-1] = 0;
adamc@1051 2975 return r;
adamc@1051 2976 } else
adamc@1051 2977 return p + 1 + len;
adamc@1134 2978 } else if ((p = strchr(p, ';')))
adamc@854 2979 p += 2;
adamc@463 2980 else
adamc@463 2981 return NULL;
adamc@463 2982 }
adamc@463 2983 }
adamc@792 2984
adamc@792 2985 return NULL;
adamc@457 2986 }
adamc@462 2987
adamc@1050 2988 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 2989 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 2990 uw_write_header(ctx, c);
adamc@462 2991 uw_write_header(ctx, "=");
adamc@462 2992 uw_write_header(ctx, v);
adamc@466 2993 uw_write_header(ctx, "; path=");
adamc@466 2994 uw_write_header(ctx, prefix);
adamc@1050 2995 if (expires) {
adamc@1050 2996 char formatted[30];
adam@1392 2997 struct tm tm = {};
adam@1392 2998 tm.tm_isdst = -1;
adamc@1050 2999
adam@1365 3000 gmtime_r(&expires->seconds, &tm);
adamc@1050 3001
adamc@1050 3002 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050 3003
adamc@1050 3004 uw_write_header(ctx, "; expires=");
adamc@1050 3005 uw_write_header(ctx, formatted);
adamc@1050 3006 }
adamc@1050 3007 if (secure)
adamc@1050 3008 uw_write_header(ctx, "; secure");
adamc@462 3009 uw_write_header(ctx, "\r\n");
adamc@462 3010
adamc@462 3011 return uw_unit_v;
adamc@462 3012 }
adamc@667 3013
adamc@1050 3014 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050 3015 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050 3016 uw_write_header(ctx, c);
adamc@1050 3017 uw_write_header(ctx, "=; path=");
adamc@1050 3018 uw_write_header(ctx, prefix);
adamc@1052 3019 uw_write_header(ctx, "; " THE_PAST "\r\n");
adamc@1050 3020
adamc@1050 3021 return uw_unit_v;
adamc@1050 3022 }
adamc@1050 3023
adamc@1113 3024 size_t uw_deltas_max = SIZE_MAX;
adamc@1113 3025
adamc@682 3026 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 3027 unsigned i;
adamc@682 3028 delta *d;
adamc@671 3029
adamc@682 3030 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 3031 if (ctx->deltas[i].client == client)
adamc@682 3032 return &ctx->deltas[i];
adamc@671 3033
adamc@682 3034 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113 3035 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113 3036 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113 3037
adamc@682 3038 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adam@1369 3039 uw_buffer_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 3040 }
adamc@671 3041
adamc@682 3042 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 3043 d->client = client;
adam@1369 3044 uw_buffer_reset(&d->msgs);
adamc@682 3045 return d;
adamc@671 3046 }
adamc@671 3047
adamc@668 3048 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 3049 if (ctx->client == NULL)
adamc@682 3050 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 3051
adamc@682 3052 return new_channel(ctx->client);
adamc@668 3053 }
adamc@668 3054
adamc@668 3055 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 3056 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 3057 size_t len;
adamc@682 3058 int preLen;
adamc@682 3059 char pre[INTS_MAX + 2];
adamc@668 3060
adamc@682 3061 len = strlen(msg);
adamc@682 3062
adamc@682 3063 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 3064
adam@1369 3065 ctx_uw_buffer_append(ctx, "messages", &d->msgs, pre, preLen);
adam@1369 3066 ctx_uw_buffer_append(ctx, "messages", &d->msgs, msg, len);
adam@1369 3067 ctx_uw_buffer_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671 3068
adamc@671 3069 return uw_unit_v;
adamc@668 3070 }
adamc@671 3071
adam@1327 3072 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131 3073 int i;
adamc@1131 3074 cleanup *cl;
adamc@1131 3075
adamc@1131 3076 if (ctx->client)
adamc@1131 3077 release_client(ctx->client);
adamc@1131 3078
adamc@1131 3079 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131 3080 cl->func(cl->arg);
adamc@1131 3081
adamc@1131 3082 ctx->cleanup_front = ctx->cleanup;
adamc@1131 3083
adamc@1131 3084 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3085 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3086 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131 3087
adamc@1131 3088 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131 3089 if (ctx->transactionals[i].free)
adam@1327 3090 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131 3091
adamc@1144 3092 return ctx->app ? ctx->app->db_rollback(ctx) : 0;
adamc@1131 3093 }
adamc@1131 3094
adamc@671 3095 void uw_commit(uw_context ctx) {
adamc@1104 3096 int i;
adamc@1104 3097
adamc@1131 3098 if (uw_has_error(ctx)) {
adam@1327 3099 uw_rollback(ctx, 0);
adamc@1131 3100 return;
adamc@1131 3101 }
adamc@1131 3102
adamc@1104 3103 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3104 if (ctx->transactionals[i].rollback != NULL)
adamc@1131 3105 if (ctx->transactionals[i].commit) {
adamc@1083 3106 ctx->transactionals[i].commit(ctx->transactionals[i].data);
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@771 3112
adamc@1104 3113 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771 3114 if (ctx->transactionals[i].rollback == NULL)
adamc@1131 3115 if (ctx->transactionals[i].commit) {
adamc@1083 3116 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131 3117 if (uw_has_error(ctx)) {
adam@1327 3118 uw_rollback(ctx, 0);
adamc@1131 3119 return;
adamc@1131 3120 }
adamc@1131 3121 }
adamc@1131 3122
adamc@1131 3123 if (ctx->app->db_commit(ctx)) {
adamc@1131 3124 uw_set_error_message(ctx, "Error running SQL COMMIT");
adamc@1131 3125 return;
adamc@1131 3126 }
adamc@682 3127
adamc@682 3128 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 3129 delta *d = &ctx->deltas[i];
adamc@682 3130 client *c = find_client(d->client);
adamc@682 3131
adamc@682 3132 assert (c != NULL && c->mode == USED);
adamc@682 3133
adamc@685 3134 client_send(c, &d->msgs);
adamc@682 3135 }
adamc@682 3136
adamc@682 3137 if (ctx->client)
adamc@685 3138 release_client(ctx->client);
adamc@771 3139
adamc@1104 3140 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083 3141 if (ctx->transactionals[i].free)
adam@1327 3142 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916 3143
adamc@916 3144 // Splice script data into appropriate part of page
adamc@1065 3145 if (ctx->returning_indirectly || ctx->script_header[0] == 0) {
adamc@995 3146 char *start = strstr(ctx->page.start, "<sc>");
adamc@995 3147 if (start) {
adam@1369 3148 memmove(start, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 4);
adamc@995 3149 ctx->page.front -= 4;
adamc@995 3150 }
adam@1369 3151 } else if (uw_buffer_used(&ctx->script) == 0) {
adamc@916 3152 size_t len = strlen(ctx->script_header);
adamc@916 3153 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 3154 if (start) {
adam@1369 3155 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) - 4 + len);
adamc@917 3156 start = strstr(ctx->page.start, "<sc>");
adam@1369 3157 memmove(start + len, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 3158 ctx->page.front += len - 4;
adamc@916 3159 memcpy(start, ctx->script_header, len);
adamc@916 3160 }
adamc@916 3161 } else {
adam@1369 3162 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adamc@916 3163 size_t lenP = lenH + 40 + len;
adamc@916 3164 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 3165 if (start) {
adam@1369 3166 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) - 4 + lenP);
adamc@917 3167 start = strstr(ctx->page.start, "<sc>");
adam@1369 3168 memmove(start + lenP, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 3169 ctx->page.front += lenP - 4;
adamc@916 3170 memcpy(start, ctx->script_header, lenH);
adamc@916 3171 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adamc@916 3172 memcpy(start + lenH + 31, ctx->script.start, len);
adamc@916 3173 memcpy(start + lenH + 31 + len, "</script>", 9);
adamc@916 3174 }
adamc@916 3175 }
adamc@671 3176 }
adamc@671 3177
adamc@683 3178
adamc@1113 3179 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113 3180
adamc@771 3181 void uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327 3182 uw_callback_with_retry free) {
adamc@771 3183 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113 3184 if (ctx->used_transactionals+1 > uw_transactionals_max)
adamc@1113 3185 uw_error(ctx, FATAL, "Exceeded limit on number of transactionals");
adamc@1084 3186 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771 3187 ++ctx->n_transactionals;
adamc@771 3188 }
adamc@771 3189
adamc@771 3190 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 3191 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 3192 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 3193 ctx->transactionals[ctx->used_transactionals++].free = free;
adamc@771 3194 }
adamc@771 3195
adamc@683 3196
adamc@683 3197 // "Garbage collection"
adamc@683 3198
adamc@1121 3199 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121 3200 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121 3201
adamc@1121 3202 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683 3203 int r = setjmp(ctx->jmp_buf);
adamc@683 3204
adamc@1121 3205 if (r == 0)
adamc@1121 3206 uw_do_expunge(ctx, cli, data);
adamc@1121 3207 else
adamc@1121 3208 ctx->app->db_rollback(ctx);
adamc@1121 3209
adamc@1121 3210 uw_post_expunge(ctx, data);
adamc@683 3211
adamc@683 3212 return r;
adamc@683 3213 }
adamc@683 3214
adamc@683 3215 void uw_prune_clients(uw_context ctx) {
adamc@683 3216 client *c, *next, *prev = NULL;
adamc@683 3217 time_t cutoff;
adamc@683 3218
adamc@1094 3219 cutoff = time(NULL) - ctx->app->timeout;
adamc@683 3220
adamc@683 3221 pthread_mutex_lock(&clients_mutex);
adamc@683 3222
adamc@683 3223 for (c = clients_used; c; c = next) {
adamc@683 3224 next = c->next;
adamc@683 3225 pthread_mutex_lock(&c->lock);
adamc@685 3226 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 3227 failure_kind fk = UNLIMITED_RETRY;
adamc@683 3228 if (prev)
adamc@683 3229 prev->next = next;
adamc@683 3230 else
adamc@683 3231 clients_used = next;
adamc@684 3232 uw_reset(ctx);
adamc@683 3233 while (fk == UNLIMITED_RETRY) {
adamc@1121 3234 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121 3235 if (fk == UNLIMITED_RETRY)
adamc@684 3236 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 3237 }
adamc@684 3238 if (fk == SUCCESS)
adamc@684 3239 free_client(c);
adamc@1121 3240 else
adamc@856 3241 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683 3242 }
adamc@683 3243 else
adamc@683 3244 prev = c;
adamc@683 3245 pthread_mutex_unlock(&c->lock);
adamc@683 3246 }
adamc@683 3247
adamc@683 3248 pthread_mutex_unlock(&clients_mutex);
adamc@683 3249 }
adamc@687 3250
adamc@687 3251 failure_kind uw_initialize(uw_context ctx) {
adamc@687 3252 int r = setjmp(ctx->jmp_buf);
adamc@687 3253
adamc@687 3254 if (r == 0) {
adamc@1094 3255 if (ctx->app->db_begin(ctx))
adamc@687 3256 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@1094 3257 ctx->app->initializer(ctx);
adamc@1094 3258 if (ctx->app->db_commit(ctx))
adamc@687 3259 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 3260 }
adamc@687 3261
adamc@687 3262 return r;
adamc@687 3263 }
adamc@717 3264
adamc@1065 3265 static int url_bad(uw_Basis_string s) {
adamc@1065 3266 for (; *s; ++s)
adamc@1153 3267 if (!isgraph((int)*s))
adamc@1065 3268 return 1;
adamc@1065 3269
adamc@1065 3270 return 0;
adamc@1065 3271 }
adamc@1065 3272
adamc@717 3273 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065 3274 if (url_bad(s))
adamc@1065 3275 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094 3276 if (ctx->app->check_url(s))
adamc@770 3277 return s;
adamc@770 3278 else
adamc@770 3279 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 3280 }
adamc@734 3281
adamc@770 3282 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065 3283 if (url_bad(s))
adamc@1065 3284 return NULL;
adamc@1094 3285 if (ctx->app->check_url(s))
adamc@770 3286 return s;
adamc@770 3287 else
adamc@770 3288 return NULL;
adamc@770 3289 }
adamc@770 3290
adamc@770 3291 int mime_format(const char *s) {
adamc@770 3292 for (; *s; ++s)
adamc@1153 3293 if (!isalnum((int)*s) && *s != '/' && *s != '-' && *s != '.')
adamc@770 3294 return 0;
adamc@770 3295
adamc@770 3296 return 1;
adamc@770 3297 }
adamc@770 3298
adamc@741 3299 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3300 if (!mime_format(s))
adamc@770 3301 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 3302
adamc@1094 3303 if (ctx->app->check_mime(s))
adamc@770 3304 return s;
adamc@770 3305 else
adamc@770 3306 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 3307 }
adamc@770 3308
adamc@770 3309 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 3310 if (!mime_format(s))
adamc@770 3311 return NULL;
adamc@770 3312
adamc@1094 3313 if (ctx->app->check_mime(s))
adamc@770 3314 return s;
adamc@770 3315 else
adamc@770 3316 return NULL;
adamc@741 3317 }
adamc@741 3318
adamc@734 3319 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 3320 return s ? s : "";
adamc@734 3321 }
adamc@734 3322
adamc@734 3323 extern int uw_hash_blocksize;
adamc@734 3324
adamc@734 3325 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 3326 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 3327 int i;
adamc@734 3328
adamc@734 3329 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 3330 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 3331
adamc@734 3332 return r;
adamc@734 3333 }
adamc@734 3334
adamc@734 3335 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adamc@1094 3336 return ctx->app->cookie_sig(ctx);
adamc@734 3337 }
adamc@737 3338
adamc@737 3339 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 3340 return f.name;
adamc@737 3341 }
adamc@737 3342
adamc@740 3343 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 3344 return f.type;
adamc@740 3345 }
adamc@740 3346
adamc@745 3347 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 3348 return b.size;
adamc@745 3349 }
adamc@745 3350
adamc@1119 3351 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119 3352 uw_Basis_blob b = {strlen(s), s};
adamc@1119 3353
adamc@1119 3354 return b;
adamc@1119 3355 }
adamc@1119 3356
adamc@737 3357 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 3358 return f.data;
adamc@737 3359 }
adamc@741 3360
adam@1347 3361 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3362 return pb.type;
adam@1347 3363 }
adam@1347 3364
adam@1347 3365 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3366 return pb.data;
adam@1347 3367 }
adam@1347 3368
adamc@741 3369 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 3370 cleanup *cl;
adamc@741 3371 int len;
adamc@741 3372
adamc@1065 3373 ctx->returning_indirectly = 1;
adam@1369 3374 uw_buffer_reset(&ctx->outHeaders);
adam@1369 3375 uw_buffer_reset(&ctx->page);
adamc@741 3376
adamc@856 3377 uw_write_header(ctx, on_success);
adamc@856 3378 uw_write_header(ctx, "Content-Type: ");
adamc@741 3379 uw_write_header(ctx, mimeType);
adamc@741 3380 uw_write_header(ctx, "\r\nContent-Length: ");
adam@1369 3381 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134 3382 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741 3383 ctx->outHeaders.front += len;
adamc@1066 3384 uw_write_header(ctx, "\r\n");
adamc@741 3385
adam@1369 3386 ctx_uw_buffer_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741 3387
adamc@741 3388 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 3389 cl->func(cl->arg);
adamc@741 3390
adamc@741 3391 ctx->cleanup_front = ctx->cleanup;
adamc@741 3392
adamc@1065 3393 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065 3394 }
adamc@1065 3395
adamc@1065 3396 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065 3397 cleanup *cl;
adamc@1066 3398 char *s;
adamc@1065 3399
adamc@1065 3400 ctx->returning_indirectly = 1;
adam@1369 3401 uw_buffer_reset(&ctx->page);
adam@1369 3402 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->outHeaders)+1);
adam@1369 3403 memcpy(ctx->page.start, ctx->outHeaders.start, uw_buffer_used(&ctx->outHeaders));
adam@1369 3404 ctx->page.start[uw_buffer_used(&ctx->outHeaders)] = 0;
adam@1369 3405 uw_buffer_reset(&ctx->outHeaders);
adamc@1065 3406
adam@1409 3407 if (on_success[0])
adam@1409 3408 uw_write_header(ctx, on_redirect);
adam@1409 3409 else
adam@1409 3410 uw_write_header(ctx, "Status: 303 See Other\r\n");
adam@1409 3411 s = on_success[0] ? strchr(ctx->page.start, '\n') : ctx->page.start;
adamc@1066 3412 if (s) {
adamc@1066 3413 char *s2;
adam@1409 3414 if (s[0] == '\n') ++s;
adam@1409 3415 for (; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066 3416 *s2 = 0;
adamc@1066 3417 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066 3418 uw_write_header(ctx, s);
adamc@1066 3419 uw_write_header(ctx, "\n");
adamc@1066 3420 }
adamc@1066 3421 }
adamc@1066 3422 }
adamc@1066 3423
adamc@1065 3424 uw_write_header(ctx, "Location: ");
adamc@1065 3425 uw_write_header(ctx, url);
adamc@1065 3426 uw_write_header(ctx, "\r\n\r\n");
adamc@1065 3427
adamc@1065 3428 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065 3429 cl->func(cl->arg);
adamc@1065 3430
adamc@1065 3431 ctx->cleanup_front = ctx->cleanup;
adamc@1065 3432
adamc@1065 3433 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741 3434 }
adamc@874 3435
adamc@874 3436 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adamc@874 3437 uw_Basis_string r = uw_malloc(ctx, strlen(s) + 1);
adamc@874 3438
adamc@874 3439 for (; *s; ++s) {
adamc@874 3440 if (s[0] == '\'') {
adamc@874 3441 *r++ = '\'';
adamc@874 3442 for (++s; *s; ++s) {
adamc@874 3443 if (s[0] == '\'') {
adamc@874 3444 *r++ = '\'';
adamc@874 3445 break;
adamc@874 3446 } else if (s[0] == '\\') {
adamc@874 3447 if (s[1] == '\\') {
adamc@874 3448 *r++ = '\\';
adamc@874 3449 *r++ = '\\';
adamc@874 3450 ++s;
adamc@874 3451 } else if (s[1] == '\'') {
adamc@874 3452 *r++ = '\\';
adamc@874 3453 *r++ = '\'';
adamc@874 3454 ++s;
adamc@874 3455 } else
adamc@874 3456 *r++ = '\'';
adamc@874 3457 } else
adamc@874 3458 *r++ = s[0];
adamc@874 3459 }
adamc@874 3460 if (*s == 0) break;
adamc@874 3461 } else if (s[0] == 'T' && s[1] == '.')
adamc@874 3462 ++s;
adamc@874 3463 else
adamc@874 3464 *r++ = s[0];
adamc@874 3465 }
adamc@874 3466
adamc@874 3467 return r;
adamc@874 3468 }
adamc@874 3469
adamc@922 3470 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922 3471 va_list ap;
adamc@922 3472 size_t len = 1;
adamc@922 3473 char *s, *r, *s2;
adamc@922 3474
adamc@922 3475 va_start(ap, ctx);
adamc@922 3476 for (s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3477 len += strlen(s);
adamc@922 3478 va_end(ap);
adamc@922 3479
adamc@922 3480 r = uw_malloc(ctx, len);
adamc@922 3481 va_start(ap, ctx);
adamc@922 3482 for (s2 = r, s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3483 while (*s)
adamc@922 3484 *s2++ = *s++;
adamc@922 3485 va_end(ap);
adamc@922 3486 *s2 = 0;
adamc@922 3487
adamc@922 3488 return r;
adamc@922 3489 }
adamc@1006 3490
adam@1365 3491 const uw_Basis_time uw_Basis_minTime = {};
adamc@1050 3492
adamc@1006 3493 uw_Basis_time uw_Basis_now(uw_context ctx) {
adam@1365 3494 uw_Basis_time r = { time(NULL) };
adam@1365 3495 return r;
adamc@1006 3496 }
adamc@1061 3497
adam@1369 3498 uw_Basis_time uw_Basis_addSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adam@1369 3499 tm.seconds += n;
adam@1365 3500 return tm;
adamc@1138 3501 }
adamc@1138 3502
adamc@1061 3503 void *uw_get_global(uw_context ctx, char *name) {
adamc@1061 3504 int i;
adamc@1061 3505
adamc@1061 3506 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3507 if (!strcmp(name, ctx->globals[i].name))
adamc@1061 3508 return ctx->globals[i].data;
adamc@1061 3509
adamc@1061 3510 return NULL;
adamc@1061 3511 }
adamc@1061 3512
adamc@1113 3513 size_t uw_globals_max = SIZE_MAX;
adamc@1113 3514
adamc@1061 3515 void uw_set_global(uw_context ctx, char *name, void *data, void (*free)(void*)) {
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@1089 3520 if (ctx->globals[i].free)
adamc@1061 3521 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061 3522 ctx->globals[i].data = data;
adamc@1061 3523 ctx->globals[i].free = free;
adamc@1061 3524 return;
adamc@1061 3525 }
adamc@1089 3526
adamc@1113 3527 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113 3528 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113 3529
adamc@1061 3530 ++ctx->n_globals;
adamc@1061 3531 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061 3532 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061 3533 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061 3534 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061 3535 }
adamc@1061 3536
adamc@1061 3537 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153 3538 return !!isalnum((int)c);
adamc@1061 3539 }
adamc@1061 3540
adamc@1061 3541 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153 3542 return !!isalpha((int)c);
adamc@1061 3543 }
adamc@1061 3544
adamc@1061 3545 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153 3546 return !!isblank((int)c);
adamc@1061 3547 }
adamc@1061 3548
adamc@1061 3549 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153 3550 return !!iscntrl((int)c);
adamc@1061 3551 }
adamc@1061 3552
adamc@1061 3553 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3554 return !!isdigit((int)c);
adamc@1061 3555 }
adamc@1061 3556
adamc@1061 3557 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153 3558 return !!isgraph((int)c);
adamc@1061 3559 }
adamc@1061 3560
adamc@1061 3561 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3562 return !!islower((int)c);
adamc@1061 3563 }
adamc@1061 3564
adamc@1061 3565 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153 3566 return !!isprint((int)c);
adamc@1061 3567 }
adamc@1061 3568
adamc@1061 3569 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153 3570 return !!ispunct((int)c);
adamc@1061 3571 }
adamc@1061 3572
adamc@1061 3573 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153 3574 return !!isspace((int)c);
adamc@1061 3575 }
adamc@1063 3576
adamc@1061 3577 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3578 return !!isupper((int)c);
adamc@1061 3579 }
adamc@1061 3580
adamc@1061 3581 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153 3582 return !!isxdigit((int)c);
adamc@1061 3583 }
adamc@1061 3584
adamc@1061 3585 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153 3586 return tolower((int)c);
adamc@1061 3587 }
adamc@1061 3588
adamc@1061 3589 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153 3590 return toupper((int)c);
adamc@1061 3591 }
adamc@1066 3592
adamc@1128 3593 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128 3594 return (unsigned char)c;
adamc@1128 3595 }
adamc@1128 3596
adamc@1128 3597 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128 3598 return n;
adamc@1128 3599 }
adamc@1128 3600
adamc@1066 3601 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066 3602 return ctx->current_url;
adamc@1066 3603 }
adamc@1066 3604
adamc@1066 3605 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066 3606 ctx->current_url = s;
adamc@1066 3607 }
adamc@1114 3608
adamc@1114 3609 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114 3610 ctx->deadline = n;
adamc@1114 3611 }
adamc@1114 3612
adamc@1114 3613 void uw_check_deadline(uw_context ctx) {
adamc@1114 3614 if (uw_time > ctx->deadline)
adamc@1114 3615 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114 3616 }
adamc@1115 3617
adamc@1115 3618 size_t uw_database_max = SIZE_MAX;
adamc@1120 3619
adam@1389 3620 uw_Basis_int uw_Basis_naughtyDebug(uw_context ctx, uw_Basis_string s) {
adam@1389 3621 fprintf(stderr, "%s\n", s);
adam@1389 3622 return 0;
adam@1389 3623 }
adam@1389 3624
adamc@1120 3625 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
adam@1334 3626 if (ctx->log_debug)
adam@1334 3627 ctx->log_debug(ctx->logger_data, "%s\n", s);
adam@1334 3628 else
adam@1334 3629 fprintf(stderr, "%s\n", s);
adamc@1120 3630 return uw_unit_v;
adamc@1120 3631 }
adamc@1250 3632
adamc@1250 3633 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adamc@1250 3634 uw_Basis_int n = abs(rand());
adamc@1250 3635 return n;
adamc@1250 3636 }
adam@1347 3637
adam@1347 3638 void uw_noPostBody(uw_context ctx) {
adam@1347 3639 ctx->hasPostBody = 0;
adam@1347 3640 }
adam@1347 3641
adam@1347 3642 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347 3643 ctx->hasPostBody = 1;
adam@1347 3644 ctx->postBody = pb;
adam@1347 3645 }
adam@1347 3646
adam@1347 3647 int uw_hasPostBody(uw_context ctx) {
adam@1347 3648 return ctx->hasPostBody;
adam@1347 3649 }
adam@1347 3650
adam@1386 3651 void uw_isPost(uw_context ctx) {
adam@1386 3652 ctx->isPost = 1;
adam@1386 3653 }
adam@1386 3654
adam@1386 3655 uw_Basis_bool uw_Basis_currentUrlHasPost(uw_context ctx) {
adam@1386 3656 return ctx->isPost;
adam@1386 3657 }
adam@1386 3658
adam@1370 3659 void uw_setQueryString(uw_context ctx, uw_Basis_string s) {
adam@1370 3660 ctx->queryString = s;
adam@1370 3661 }
adam@1370 3662
adam@1370 3663 uw_Basis_string uw_queryString(uw_context ctx) {
adam@1370 3664 return ctx->queryString;
adam@1370 3665 }
adam@1370 3666
adam@1347 3667 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347 3668 if (ctx->hasPostBody)
adam@1347 3669 return ctx->postBody;
adam@1347 3670 else
adam@1347 3671 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347 3672 }
adam@1349 3673
adam@1349 3674 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349 3675 int r = setjmp(ctx->jmp_buf);
adam@1349 3676
adam@1349 3677 if (ctx->app->db_begin(ctx))
adam@1349 3678 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1349 3679
adam@1349 3680 if (r == 0) {
adam@1349 3681 callback(ctx);
adam@1349 3682 uw_commit(ctx);
adam@1349 3683 }
adam@1349 3684 else
adam@1349 3685 uw_rollback(ctx, 0);
adam@1349 3686
adam@1349 3687 return r;
adam@1349 3688 }
adam@1360 3689
adam@1360 3690 uw_Basis_string uw_Basis_crypt(uw_context ctx, uw_Basis_string key, uw_Basis_string salt) {
adam@1397 3691 char buf[14];
adam@1397 3692 return uw_strdup(ctx, DES_fcrypt(key, salt, buf));
adam@1360 3693 }
adam@1365 3694
adam@1365 3695 uw_Basis_bool uw_Basis_eq_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3696 return !!(t1.seconds == t2.seconds && t1.microseconds == t2.microseconds);
adam@1365 3697 }
adam@1365 3698
adam@1365 3699 uw_Basis_bool uw_Basis_lt_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3700 return !!(t1.seconds < t2.seconds || t1.microseconds < t2.microseconds);
adam@1365 3701 }
adam@1365 3702
adam@1365 3703 uw_Basis_bool uw_Basis_le_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365 3704 return !!(uw_Basis_eq_time(ctx, t1, t2) || uw_Basis_lt_time(ctx, t1, t2));
adam@1365 3705 }
adam@1365 3706
adam@1374 3707 /*uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374 3708 uw_Basis_time *r = uw_Basis_stringToTime(ctx, s);
adam@1374 3709
adam@1374 3710 printf("timezone = %ld\n", timezone);
adam@1374 3711
adam@1374 3712 if (r)
adam@1374 3713 r->seconds -= timezone;
adam@1374 3714
adam@1374 3715 return r;
adam@1374 3716 }*/
adam@1374 3717
adam@1372 3718 uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374 3719 struct tm stm = {};
adam@1375 3720 char *end = strchr(s, 0);
adam@1392 3721 stm.tm_isdst = -1;
adam@1375 3722
adam@1375 3723 if (strptime(s, TIME_FMT_PG, &stm) == end || strptime(s, TIME_FMT, &stm) == end) {
adam@1373 3724 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1375 3725
adam@1375 3726 tzset();
adam@1374 3727 stm.tm_hour -= timezone / (60 * 60);
adam@1375 3728
adam@1374 3729 r->seconds = mktime(&stm);
adam@1373 3730 r->microseconds = 0;
adam@1373 3731
adam@1373 3732 return r;
adam@1374 3733 }
adam@1374 3734 else
adam@1373 3735 return NULL;
adam@1372 3736 }
adam@1407 3737
adam@1407 3738 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 3739
adam@1407 3740 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1407 3741 int r = setjmp(ctx->jmp_buf);
adam@1407 3742
adam@1407 3743 if (ctx->app->on_error) {
adam@1407 3744 if (r == 0) {
adam@1407 3745 if (ctx->app->db_begin(ctx))
adam@1407 3746 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1407 3747
adam@1409 3748 uw_buffer_reset(&ctx->outHeaders);
adam@1409 3749 if (on_success[0])
adam@1409 3750 uw_write_header(ctx, "HTTP/1.1 ");
adam@1409 3751 else
adam@1409 3752 uw_write_header(ctx, "Status: ");
adam@1409 3753 uw_write_header(ctx, "500 Internal Server Error\r\n");
adam@1407 3754 uw_write_header(ctx, "Content-type: text/html\r\n\r\n");
adam@1407 3755 uw_write(ctx, begin_xhtml);
adam@1407 3756 ctx->app->on_error(ctx, msg);
adam@1407 3757 uw_write(ctx, "</html>");
adam@1407 3758 }
adam@1407 3759
adam@1407 3760 return r;
adam@1407 3761 } else
adam@1407 3762 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1407 3763 }