annotate src/c/urweb.c @ 1072:9001966ae1c8

Weakening-type coercions for SQL values
author Adam Chlipala <adamc@hcoop.net>
date Sun, 13 Dec 2009 13:00:55 -0500
parents 50dd937c4cb9
children 2eb585274501
rev   line source
adamc@741 1 #define _XOPEN_SOURCE 500
adamc@436 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@102 12
adamc@667 13 #include <pthread.h>
adamc@667 14
adamc@102 15 #include "types.h"
adamc@102 16
adamc@311 17 uw_unit uw_unit_v = {};
adamc@102 18
adamc@667 19
adamc@667 20 // Socket extras
adamc@667 21
adamc@863 22 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667 23 while (len > 0) {
adamc@856 24 ssize_t n = send(sock, buf, len, 0);
adamc@856 25
adamc@856 26 if (n < 0)
adamc@856 27 return n;
adamc@856 28
adamc@856 29 buf += n;
adamc@856 30 len -= n;
adamc@856 31 }
adamc@856 32
adamc@856 33 return 0;
adamc@856 34 }
adamc@856 35
adamc@856 36 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856 37 while (len > 0) {
adamc@856 38 ssize_t n = write(fd, buf, len);
adamc@667 39
adamc@667 40 if (n < 0)
adamc@667 41 return n;
adamc@667 42
adamc@667 43 buf += n;
adamc@667 44 len -= n;
adamc@667 45 }
adamc@667 46
adamc@667 47 return 0;
adamc@667 48 }
adamc@667 49
adamc@667 50
adamc@667 51 // Buffers
adamc@667 52
adamc@667 53 typedef struct {
adamc@667 54 char *start, *front, *back;
adamc@667 55 } buf;
adamc@667 56
adamc@667 57 static void buf_init(buf *b, size_t s) {
adamc@667 58 b->front = b->start = malloc(s);
adamc@667 59 b->back = b->front + s;
adamc@667 60 }
adamc@667 61
adamc@667 62 static void buf_free(buf *b) {
adamc@667 63 free(b->start);
adamc@667 64 }
adamc@667 65
adamc@667 66 static void buf_reset(buf *b) {
adamc@667 67 b->front = b->start;
adamc@667 68 }
adamc@667 69
adamc@667 70 static void buf_check(buf *b, size_t extra) {
adamc@667 71 if (b->back - b->front < extra) {
adamc@667 72 size_t desired = b->front - b->start + extra, next;
adamc@667 73 char *new_heap;
adamc@667 74
adamc@667 75 next = b->back - b->start;
adamc@667 76 if (next == 0)
adamc@667 77 next = 1;
adamc@667 78 for (; next < desired; next *= 2);
adamc@667 79
adamc@667 80 new_heap = realloc(b->start, next);
adamc@667 81 b->front = new_heap + (b->front - b->start);
adamc@667 82 b->back = new_heap + next;
adamc@667 83 b->start = new_heap;
adamc@667 84 }
adamc@667 85 }
adamc@667 86
adamc@667 87 static size_t buf_used(buf *b) {
adamc@667 88 return b->front - b->start;
adamc@667 89 }
adamc@667 90
adamc@667 91 static size_t buf_avail(buf *b) {
adamc@667 92 return b->back - b->start;
adamc@667 93 }
adamc@667 94
adamc@668 95 static void buf_append(buf *b, const char *s, size_t len) {
adamc@672 96 buf_check(b, len+1);
adamc@668 97 memcpy(b->front, s, len);
adamc@668 98 b->front += len;
adamc@672 99 *b->front = 0;
adamc@668 100 }
adamc@667 101
adamc@668 102
adamc@672 103 // Persistent state types
adamc@667 104
adamc@667 105 typedef enum { UNUSED, USED } usage;
adamc@667 106
adamc@667 107 typedef struct client {
adamc@682 108 unsigned id;
adamc@667 109 usage mode;
adamc@682 110 int pass;
adamc@682 111 struct client *next;
adamc@689 112 pthread_mutex_t lock, pull_lock;
adamc@682 113 buf msgs;
adamc@682 114 int sock;
adamc@863 115 int (*send)(int sockfd, const void *buf, ssize_t len);
adamc@863 116 int (*close)(int fd);
adamc@682 117 time_t last_contact;
adamc@682 118 unsigned n_channels;
adamc@685 119 unsigned refcount;
adamc@667 120 } client;
adamc@667 121
adamc@672 122
adamc@672 123 // Persistent client state
adamc@672 124
adamc@682 125 static client **clients, *clients_free, *clients_used;
adamc@682 126 static unsigned n_clients;
adamc@667 127
adamc@667 128 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@667 129
adamc@682 130 static client *new_client() {
adamc@667 131 client *c;
adamc@667 132
adamc@667 133 pthread_mutex_lock(&clients_mutex);
adamc@667 134
adamc@667 135 if (clients_free) {
adamc@667 136 c = clients_free;
adamc@682 137 clients_free = clients_free->next;
adamc@667 138 }
adamc@667 139 else {
adamc@667 140 ++n_clients;
adamc@667 141 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667 142 c = malloc(sizeof(client));
adamc@667 143 c->id = n_clients-1;
adamc@682 144 pthread_mutex_init(&c->lock, NULL);
adamc@689 145 pthread_mutex_init(&c->pull_lock, NULL);
adamc@682 146 buf_init(&c->msgs, 0);
adamc@667 147 clients[n_clients-1] = c;
adamc@667 148 }
adamc@667 149
adamc@682 150 pthread_mutex_lock(&c->lock);
adamc@667 151 c->mode = USED;
adamc@682 152 c->pass = rand();
adamc@682 153 c->sock = -1;
adamc@682 154 c->last_contact = time(NULL);
adamc@682 155 buf_reset(&c->msgs);
adamc@682 156 c->n_channels = 0;
adamc@685 157 c->refcount = 0;
adamc@682 158 pthread_mutex_unlock(&c->lock);
adamc@682 159
adamc@682 160 c->next = clients_used;
adamc@682 161 clients_used = c;
adamc@667 162
adamc@667 163 pthread_mutex_unlock(&clients_mutex);
adamc@667 164
adamc@667 165 return c;
adamc@667 166 }
adamc@667 167
adamc@685 168 static void use_client(client *c) {
adamc@685 169 pthread_mutex_lock(&c->lock);
adamc@685 170 ++c->refcount;
adamc@685 171 pthread_mutex_unlock(&c->lock);
adamc@689 172 pthread_mutex_lock(&c->pull_lock);
adamc@685 173 }
adamc@685 174
adamc@685 175 static void release_client(client *c) {
adamc@689 176 pthread_mutex_unlock(&c->pull_lock);
adamc@685 177 pthread_mutex_lock(&c->lock);
adamc@685 178 --c->refcount;
adamc@685 179 pthread_mutex_unlock(&c->lock);
adamc@689 180
adamc@685 181 }
adamc@685 182
adamc@856 183 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adamc@667 184
adamc@682 185 static client *find_client(unsigned id) {
adamc@667 186 client *c;
adamc@667 187
adamc@667 188 pthread_mutex_lock(&clients_mutex);
adamc@667 189
adamc@667 190 if (id >= n_clients) {
adamc@667 191 pthread_mutex_unlock(&clients_mutex);
adamc@668 192 return NULL;
adamc@667 193 }
adamc@667 194
adamc@667 195 c = clients[id];
adamc@667 196
adamc@668 197 pthread_mutex_unlock(&clients_mutex);
adamc@668 198 return c;
adamc@668 199 }
adamc@668 200
adamc@856 201 static char *on_success = "HTTP/1.1 200 OK\r\n";
adamc@1065 202 static char *on_redirect = "HTTP/1.1 303 See Other\r\n";
adamc@856 203
adamc@856 204 void uw_set_on_success(char *s) {
adamc@856 205 on_success = s;
adamc@856 206 }
adamc@856 207
adamc@863 208 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863 209 int (*send)(int sockfd, const void *buf, ssize_t len),
adamc@864 210 int (*close)(int fd),
adamc@864 211 void *logger_data, uw_logger log_error) {
adamc@682 212 client *c = find_client(id);
adamc@668 213
adamc@668 214 if (c == NULL) {
adamc@667 215 close(sock);
adamc@864 216 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667 217 return;
adamc@667 218 }
adamc@667 219
adamc@682 220 pthread_mutex_lock(&c->lock);
adamc@671 221
adamc@682 222 if (c->mode != USED) {
adamc@682 223 pthread_mutex_unlock(&c->lock);
adamc@667 224 close(sock);
adamc@864 225 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667 226 return;
adamc@667 227 }
adamc@667 228
adamc@682 229 if (pass != c->pass) {
adamc@682 230 pthread_mutex_unlock(&c->lock);
adamc@682 231 close(sock);
adamc@864 232 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682 233 return;
adamc@667 234 }
adamc@667 235
adamc@682 236 if (c->sock != -1) {
adamc@863 237 c->close(c->sock);
adamc@682 238 c->sock = -1;
adamc@682 239 }
adamc@667 240
adamc@682 241 c->last_contact = time(NULL);
adamc@682 242
adamc@682 243 if (buf_used(&c->msgs) > 0) {
adamc@863 244 send(sock, on_success, strlen(on_success));
adamc@863 245 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adamc@863 246 send(sock, c->msgs.start, buf_used(&c->msgs));
adamc@682 247 buf_reset(&c->msgs);
adamc@667 248 close(sock);
adamc@667 249 }
adamc@863 250 else {
adamc@682 251 c->sock = sock;
adamc@863 252 c->send = send;
adamc@863 253 c->close = close;
adamc@863 254 }
adamc@667 255
adamc@682 256 pthread_mutex_unlock(&c->lock);
adamc@667 257 }
adamc@667 258
adamc@682 259 static void free_client(client *c) {
adamc@682 260 c->mode = UNUSED;
adamc@682 261 c->pass = -1;
adamc@667 262
adamc@682 263 c->next = clients_free;
adamc@682 264 clients_free = c;
adamc@667 265 }
adamc@667 266
adamc@682 267 static uw_Basis_channel new_channel(client *c) {
adamc@682 268 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668 269 return ch;
adamc@668 270 }
adamc@668 271
adamc@685 272 static void client_send(client *c, buf *msg) {
adamc@685 273 pthread_mutex_lock(&c->lock);
adamc@671 274
adamc@682 275 if (c->sock != -1) {
adamc@863 276 c->send(c->sock, on_success, strlen(on_success));
adamc@863 277 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adamc@863 278 c->send(c->sock, msg->start, buf_used(msg));
adamc@863 279 c->close(c->sock);
adamc@682 280 c->sock = -1;
adamc@682 281 } else
adamc@682 282 buf_append(&c->msgs, msg->start, buf_used(msg));
adamc@671 283
adamc@685 284 pthread_mutex_unlock(&c->lock);
adamc@668 285 }
adamc@668 286
adamc@668 287
adamc@668 288 // Global entry points
adamc@668 289
adamc@866 290 extern void uw_client_init();
adamc@866 291
adamc@668 292 void uw_global_init() {
adamc@668 293 srand(time(NULL) ^ getpid());
adamc@668 294
adamc@668 295 clients = malloc(0);
adamc@866 296
adamc@866 297 uw_client_init();
adamc@668 298 }
adamc@668 299
adamc@668 300
adamc@667 301 // Single-request state
adamc@667 302
adamc@167 303 #define ERROR_BUF_LEN 1024
adamc@167 304
adamc@323 305 typedef struct regions {
adamc@323 306 struct regions *next;
adamc@323 307 } regions;
adamc@323 308
adamc@425 309 typedef struct {
adamc@425 310 void (*func)(void*);
adamc@425 311 void *arg;
adamc@425 312 } cleanup;
adamc@425 313
adamc@671 314 typedef struct {
adamc@682 315 unsigned client;
adamc@671 316 buf msgs;
adamc@682 317 } delta;
adamc@671 318
adamc@737 319 typedef enum {
adamc@759 320 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737 321 } input_kind;
adamc@737 322
adamc@756 323 typedef struct input {
adamc@737 324 input_kind kind;
adamc@737 325 union {
adamc@737 326 char *normal;
adamc@739 327 uw_Basis_file file;
adamc@756 328 struct {
adamc@759 329 struct input *fields, *parent;
adamc@756 330 } subform;
adamc@759 331 struct {
adamc@759 332 struct input *entries, *parent;
adamc@759 333 } subforms;
adamc@759 334 struct {
adamc@759 335 struct input *fields, *next, *parent;
adamc@759 336 } entry;
adamc@737 337 } data;
adamc@737 338 } input;
adamc@737 339
adamc@771 340 typedef struct {
adamc@771 341 void *data;
adamc@771 342 uw_callback commit, rollback, free;
adamc@771 343 } transactional;
adamc@771 344
adamc@1061 345 typedef struct {
adamc@1061 346 char *name;
adamc@1061 347 void *data;
adamc@1061 348 void (*free)(void*);
adamc@1061 349 } global;
adamc@1061 350
adamc@311 351 struct uw_context {
adamc@854 352 char *(*get_header)(void *, const char *);
adamc@854 353 void *get_header_data;
adamc@457 354
adamc@666 355 buf outHeaders, page, heap, script;
adamc@1065 356 int returning_indirectly;
adamc@759 357 input *inputs, *subinputs, *cur_container;
adamc@756 358 size_t n_subinputs, used_subinputs;
adamc@167 359
adamc@565 360 int source_count;
adamc@562 361
adamc@272 362 void *db;
adamc@272 363
adamc@167 364 jmp_buf jmp_buf;
adamc@167 365
adamc@323 366 regions *regions;
adamc@323 367
adamc@425 368 cleanup *cleanup, *cleanup_front, *cleanup_back;
adamc@425 369
adamc@667 370 const char *script_header, *url_prefix;
adamc@643 371
adamc@736 372 int needs_push, needs_sig;
adamc@693 373
adamc@682 374 size_t n_deltas, used_deltas;
adamc@682 375 delta *deltas;
adamc@671 376
adamc@673 377 int timeout;
adamc@673 378
adamc@682 379 client *client;
adamc@682 380
adamc@771 381 transactional *transactionals;
adamc@771 382 size_t n_transactionals, used_transactionals;
adamc@771 383
adamc@1061 384 global *globals;
adamc@1061 385 size_t n_globals;
adamc@1061 386
adamc@1066 387 char *current_url;
adamc@1066 388
adamc@167 389 char error_message[ERROR_BUF_LEN];
adamc@117 390 };
adamc@117 391
adamc@683 392 extern int uw_inputs_len, uw_timeout;
adamc@144 393
adamc@687 394 uw_context uw_init() {
adamc@311 395 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 396
adamc@854 397 ctx->get_header = NULL;
adamc@854 398 ctx->get_header_data = NULL;
adamc@457 399
adamc@687 400 buf_init(&ctx->outHeaders, 0);
adamc@687 401 buf_init(&ctx->page, 0);
adamc@1065 402 ctx->returning_indirectly = 0;
adamc@687 403 buf_init(&ctx->heap, 0);
adamc@698 404 buf_init(&ctx->script, 1);
adamc@667 405 ctx->script.start[0] = 0;
adamc@136 406
adamc@737 407 ctx->inputs = calloc(uw_inputs_len, sizeof(input));
adamc@759 408 ctx->cur_container = NULL;
adamc@756 409 ctx->subinputs = malloc(0);
adamc@756 410 ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 411
adamc@272 412 ctx->db = NULL;
adamc@272 413
adamc@323 414 ctx->regions = NULL;
adamc@323 415
adamc@425 416 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 417
adamc@643 418 ctx->script_header = "";
adamc@667 419 ctx->url_prefix = "/";
adamc@693 420 ctx->needs_push = 0;
adamc@736 421 ctx->needs_sig = 0;
adamc@643 422
adamc@167 423 ctx->error_message[0] = 0;
adamc@167 424
adamc@565 425 ctx->source_count = 0;
adamc@562 426
adamc@682 427 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 428 ctx->deltas = malloc(0);
adamc@671 429
adamc@673 430 ctx->timeout = uw_timeout;
adamc@673 431
adamc@700 432 ctx->client = NULL;
adamc@700 433
adamc@700 434 ctx->error_message[0] = 0;
adamc@700 435
adamc@771 436 ctx->transactionals = malloc(0);
adamc@771 437 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 438
adamc@1061 439 ctx->globals = malloc(0);
adamc@1061 440 ctx->n_globals = 0;
adamc@1061 441
adamc@1066 442 ctx->current_url = "";
adamc@1066 443
adamc@117 444 return ctx;
adamc@106 445 }
adamc@106 446
adamc@311 447 void uw_set_db(uw_context ctx, void *db) {
adamc@272 448 ctx->db = db;
adamc@272 449 }
adamc@272 450
adamc@311 451 void *uw_get_db(uw_context ctx) {
adamc@272 452 return ctx->db;
adamc@272 453 }
adamc@272 454
adamc@311 455 void uw_free(uw_context ctx) {
adamc@671 456 size_t i;
adamc@671 457
adamc@666 458 buf_free(&ctx->outHeaders);
adamc@666 459 buf_free(&ctx->script);
adamc@666 460 buf_free(&ctx->page);
adamc@666 461 buf_free(&ctx->heap);
adamc@144 462 free(ctx->inputs);
adamc@756 463 free(ctx->subinputs);
adamc@425 464 free(ctx->cleanup);
adamc@771 465 free(ctx->transactionals);
adamc@671 466
adamc@682 467 for (i = 0; i < ctx->n_deltas; ++i)
adamc@671 468 buf_free(&ctx->deltas[i].msgs);
adamc@671 469
adamc@1061 470 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 471 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061 472
adamc@136 473 free(ctx);
adamc@136 474 }
adamc@136 475
adamc@562 476 void uw_reset_keep_error_message(uw_context ctx) {
adamc@756 477 size_t i;
adamc@756 478
adamc@666 479 buf_reset(&ctx->outHeaders);
adamc@666 480 buf_reset(&ctx->script);
adamc@667 481 ctx->script.start[0] = 0;
adamc@666 482 buf_reset(&ctx->page);
adamc@1065 483 ctx->returning_indirectly = 0;
adamc@666 484 buf_reset(&ctx->heap);
adamc@323 485 ctx->regions = NULL;
adamc@425 486 ctx->cleanup_front = ctx->cleanup;
adamc@565 487 ctx->source_count = 0;
adamc@682 488 ctx->used_deltas = 0;
adamc@682 489 ctx->client = NULL;
adamc@759 490 ctx->cur_container = NULL;
adamc@771 491 ctx->used_transactionals = 0;
adamc@167 492 }
adamc@167 493
adamc@562 494 void uw_reset_keep_request(uw_context ctx) {
adamc@562 495 uw_reset_keep_error_message(ctx);
adamc@562 496 ctx->error_message[0] = 0;
adamc@167 497 }
adamc@167 498
adamc@311 499 void uw_reset(uw_context ctx) {
adamc@311 500 uw_reset_keep_request(ctx);
adamc@737 501 memset(ctx->inputs, 0, uw_inputs_len * sizeof(input));
adamc@756 502 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adamc@756 503 ctx->used_subinputs = 0;
adamc@144 504 }
adamc@144 505
adamc@311 506 void uw_db_init(uw_context);
adamc@311 507 void uw_handle(uw_context, char *);
adamc@167 508
adamc@311 509 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 510 int r = setjmp(ctx->jmp_buf);
adamc@272 511
adamc@272 512 if (r == 0)
adamc@311 513 uw_db_init(ctx);
adamc@272 514
adamc@272 515 return r;
adamc@272 516 }
adamc@272 517
adamc@854 518 void uw_set_headers(uw_context ctx, char *(*get_header)(void *, const char *), void *get_header_data) {
adamc@854 519 ctx->get_header = get_header;
adamc@854 520 ctx->get_header_data = get_header_data;
adamc@742 521 }
adamc@742 522
adamc@671 523 int uw_db_begin(uw_context);
adamc@167 524
adamc@801 525 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801 526 va_list ap;
adamc@801 527 va_start(ap, fmt);
adamc@801 528
adamc@801 529 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801 530 }
adamc@801 531
adamc@311 532 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 533 cleanup *cl;
adamc@425 534
adamc@167 535 va_list ap;
adamc@167 536 va_start(ap, fmt);
adamc@167 537
adamc@167 538 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 539
adamc@425 540 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 541 cl->func(cl->arg);
adamc@425 542
adamc@425 543 ctx->cleanup_front = ctx->cleanup;
adamc@425 544
adamc@190 545 longjmp(ctx->jmp_buf, fk);
adamc@167 546 }
adamc@167 547
adamc@425 548 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 549 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 550 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 551 if (len == 0)
adamc@425 552 newLen = 1;
adamc@425 553 else
adamc@428 554 newLen = len * 2;
adamc@470 555 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 556 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 557 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 558 }
adamc@425 559
adamc@425 560 ctx->cleanup_front->func = func;
adamc@425 561 ctx->cleanup_front->arg = arg;
adamc@425 562 ++ctx->cleanup_front;
adamc@425 563 }
adamc@425 564
adamc@682 565 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adamc@854 566 return ctx->get_header(ctx->get_header_data, h);
adamc@682 567 }
adamc@682 568
adamc@682 569 void uw_login(uw_context ctx) {
adamc@693 570 if (ctx->needs_push) {
adamc@682 571 char *id_s, *pass_s;
adamc@682 572
adamc@682 573 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adamc@682 574 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adamc@682 575 unsigned id = atoi(id_s);
adamc@682 576 int pass = atoi(pass_s);
adamc@682 577 client *c = find_client(id);
adamc@682 578
adamc@682 579 if (c == NULL)
adamc@682 580 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", id_s, pass_s);
adamc@682 581 else {
adamc@685 582 use_client(c);
adamc@682 583 ctx->client = c;
adamc@682 584
adamc@682 585 if (c->mode != USED)
adamc@682 586 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adamc@682 587 if (c->pass != pass)
adamc@682 588 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@682 589 }
adamc@682 590 } else {
adamc@682 591 client *c = new_client();
adamc@685 592 use_client(c);
adamc@682 593 ctx->client = c;
adamc@864 594 }
adamc@682 595 }
adamc@682 596 }
adamc@682 597
adamc@671 598 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671 599 int r = setjmp(ctx->jmp_buf);
adamc@671 600
adamc@671 601 if (r == 0) {
adamc@671 602 if (uw_db_begin(ctx))
adamc@671 603 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adamc@682 604
adamc@671 605 uw_handle(ctx, path);
adamc@671 606 }
adamc@671 607
adamc@671 608 return r;
adamc@671 609 }
adamc@671 610
adamc@772 611 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682 612 if (ctx->client == NULL)
adamc@682 613 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682 614
adamc@682 615 return ctx->client->id;
adamc@682 616 }
adamc@682 617
adamc@425 618 void uw_pop_cleanup(uw_context ctx) {
adamc@425 619 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 620 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 621
adamc@425 622 --ctx->cleanup_front;
adamc@425 623 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 624 }
adamc@425 625
adamc@311 626 char *uw_error_message(uw_context ctx) {
adamc@167 627 return ctx->error_message;
adamc@167 628 }
adamc@167 629
adamc@737 630 extern int uw_input_num(const char*);
adamc@144 631
adamc@759 632 static input *INP(uw_context ctx) {
adamc@759 633 if (ctx->cur_container == NULL)
adamc@759 634 return ctx->inputs;
adamc@759 635 else if (ctx->cur_container->kind == SUBFORM)
adamc@759 636 return ctx->cur_container->data.subform.fields;
adamc@759 637 else if (ctx->cur_container->kind == ENTRY)
adamc@759 638 return ctx->cur_container->data.entry.fields;
adamc@759 639 else
adamc@760 640 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759 641 }
adamc@759 642
adamc@760 643 static void adjust_pointer(input **ptr, input *old_start, input *new_start, size_t len) {
adamc@760 644 if (*ptr != NULL && *ptr >= old_start && *ptr < old_start + len)
adamc@760 645 *ptr += new_start - old_start;
adamc@760 646 }
adamc@760 647
adamc@760 648 static void adjust_input(input *x, input *old_start, input *new_start, size_t len) {
adamc@759 649 switch (x->kind) {
adamc@759 650 case SUBFORM:
adamc@760 651 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760 652 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759 653 break;
adamc@759 654 case SUBFORMS:
adamc@760 655 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760 656 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759 657 break;
adamc@759 658 case ENTRY:
adamc@760 659 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760 660 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760 661 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@759 662 }
adamc@759 663 }
adamc@759 664
adamc@759 665 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759 666 size_t i;
adamc@759 667 input *r;
adamc@759 668
adamc@759 669 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@759 670 input *new_subinputs = realloc(ctx->subinputs, sizeof(input) * (ctx->used_subinputs + len));
adamc@759 671 size_t offset = new_subinputs - ctx->subinputs;
adamc@759 672
adamc@760 673 if (ctx->subinputs != new_subinputs) {
adamc@760 674 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760 675 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 676 for (i = 0; i < uw_inputs_len; ++i)
adamc@760 677 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 678
adamc@760 679 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 680
adamc@760 681 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760 682 ctx->subinputs = new_subinputs;
adamc@760 683 }
adamc@759 684 }
adamc@759 685
adamc@759 686 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759 687
adamc@759 688 for (i = 0; i < len; ++i)
adamc@759 689 ctx->subinputs[ctx->used_subinputs++].kind = UNUSED;
adamc@759 690
adamc@759 691 return r;
adamc@759 692 }
adamc@756 693
adamc@801 694 int uw_set_input(uw_context ctx, const char *name, char *value) {
adamc@1050 695 //printf("Input name %s\n", name);
adamc@1038 696
adamc@756 697 if (!strcasecmp(name, ".b")) {
adamc@756 698 int n = uw_input_num(value);
adamc@756 699 input *inps;
adamc@756 700
adamc@801 701 if (n < 0) {
adamc@801 702 uw_set_error(ctx, "Bad subform name %s", value);
adamc@801 703 return -1;
adamc@801 704 }
adamc@801 705
adamc@801 706 if (n >= uw_inputs_len) {
adamc@801 707 uw_set_error(ctx, "For subform name %s, index %d is out of range", value, n);
adamc@801 708 return -1;
adamc@801 709 }
adamc@756 710
adamc@759 711 inps = check_input_space(ctx, uw_inputs_len);
adamc@759 712
adamc@759 713 INP(ctx)[n].kind = SUBFORM;
adamc@759 714 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759 715 INP(ctx)[n].data.subform.fields = inps;
adamc@759 716 ctx->cur_container = &INP(ctx)[n];
adamc@756 717 } else if (!strcasecmp(name, ".e")) {
adamc@756 718 input *tmp;
adamc@756 719
adamc@801 720 if (ctx->cur_container == NULL) {
adamc@801 721 uw_set_error(ctx, "Unmatched subform closer");
adamc@801 722 return -1;
adamc@801 723 }
adamc@756 724
adamc@759 725 tmp = ctx->cur_container;
adamc@759 726 switch (tmp->kind) {
adamc@759 727 case SUBFORM:
adamc@759 728 ctx->cur_container = tmp->data.subform.parent;
adamc@759 729 tmp->data.subform.parent = NULL;
adamc@759 730 break;
adamc@759 731 case SUBFORMS:
adamc@759 732 ctx->cur_container = tmp->data.subforms.parent;
adamc@759 733 tmp->data.subforms.parent = NULL;
adamc@759 734 break;
adamc@759 735 case ENTRY:
adamc@759 736 ctx->cur_container = tmp->data.entry.parent;
adamc@759 737 break;
adamc@759 738 default:
adamc@801 739 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801 740 return -1;
adamc@759 741 }
adamc@759 742 } else if (!strcasecmp(name, ".s")) {
adamc@759 743 int n = uw_input_num(value);
adamc@759 744
adamc@801 745 if (n < 0) {
adamc@801 746 uw_set_error(ctx, "Bad subforms name %s", value);
adamc@801 747 return -1;
adamc@801 748 }
adamc@801 749
adamc@801 750 if (n >= uw_inputs_len) {
adamc@801 751 uw_set_error(ctx, "For subforms name %s, index %d is out of range", value, n);
adamc@801 752 return -1;
adamc@801 753 }
adamc@759 754
adamc@759 755 INP(ctx)[n].kind = SUBFORMS;
adamc@759 756 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 757 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759 758 ctx->cur_container = &INP(ctx)[n];
adamc@759 759 } else if (!strcasecmp(name, ".i")) {
adamc@759 760 input *inps;
adamc@759 761
adamc@801 762 if (!ctx->cur_container) {
adamc@801 763 uw_set_error(ctx, "New entry without container");
adamc@801 764 return -1;
adamc@801 765 }
adamc@801 766
adamc@801 767 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801 768 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801 769 return -1;
adamc@801 770 }
adamc@759 771
adamc@759 772 inps = check_input_space(ctx, uw_inputs_len + 1);
adamc@759 773
adamc@759 774 inps->kind = ENTRY;
adamc@759 775 inps->data.entry.parent = ctx->cur_container;
adamc@759 776 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759 777 ctx->cur_container->data.subforms.entries = inps;
adamc@759 778
adamc@759 779 inps->data.entry.fields = inps+1;
adamc@759 780 ctx->cur_container = inps;
adamc@756 781 } else {
adamc@756 782 int n = uw_input_num(name);
adamc@756 783
adamc@801 784 if (n < 0) {
adamc@1038 785 if (!strcmp(name, "null"))
adamc@1038 786 return 0;
adamc@801 787 uw_set_error(ctx, "Bad input name %s", name);
adamc@801 788 return -1;
adamc@801 789 }
adamc@801 790
adamc@801 791 if (n >= uw_inputs_len) {
adamc@801 792 uw_set_error(ctx, "For input name %s, index %d is out of range", name, n);
adamc@801 793 return -1;
adamc@801 794 }
adamc@756 795
adamc@756 796 INP(ctx)[n].kind = NORMAL;
adamc@756 797 INP(ctx)[n].data.normal = value;
adamc@756 798 }
adamc@801 799
adamc@801 800 return 0;
adamc@144 801 }
adamc@144 802
adamc@311 803 char *uw_get_input(uw_context ctx, int n) {
adamc@169 804 if (n < 0)
adamc@311 805 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@311 806 if (n >= uw_inputs_len)
adamc@311 807 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 808
adamc@756 809 switch (INP(ctx)[n].kind) {
adamc@737 810 case UNSET:
adamc@737 811 return NULL;
adamc@739 812 case FIL:
adamc@739 813 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 814 case SUBFORM:
adamc@756 815 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 816 case SUBFORMS:
adamc@759 817 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 818 case ENTRY:
adamc@759 819 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 820 case NORMAL:
adamc@756 821 return INP(ctx)[n].data.normal;
adamc@737 822 default:
adamc@737 823 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 824 }
adamc@138 825 }
adamc@138 826
adamc@311 827 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 828 if (n < 0)
adamc@311 829 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@311 830 if (n >= uw_inputs_len)
adamc@311 831 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 832
adamc@756 833 switch (INP(ctx)[n].kind) {
adamc@737 834 case UNSET:
adamc@737 835 return "";
adamc@739 836 case FIL:
adamc@739 837 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 838 case SUBFORM:
adamc@756 839 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 840 case SUBFORMS:
adamc@759 841 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 842 case ENTRY:
adamc@759 843 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 844 case NORMAL:
adamc@756 845 return INP(ctx)[n].data.normal;
adamc@737 846 default:
adamc@737 847 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 848 }
adamc@737 849 }
adamc@737 850
adamc@801 851 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@737 852 int n = uw_input_num(name);
adamc@737 853
adamc@801 854 if (n < 0) {
adamc@801 855 uw_set_error(ctx, "Bad file input name %s", name);
adamc@801 856 return -1;
adamc@801 857 }
adamc@801 858
adamc@801 859 if (n >= uw_inputs_len) {
adamc@801 860 uw_set_error(ctx, "For file input name %s, index %d is out of range", name, n);
adamc@801 861 return -1;
adamc@801 862 }
adamc@737 863
adamc@739 864 ctx->inputs[n].kind = FIL;
adamc@739 865 ctx->inputs[n].data.file = f;
adamc@801 866
adamc@801 867 return 0;
adamc@737 868 }
adamc@737 869
adamc@739 870 void *uw_malloc(uw_context ctx, size_t len);
adamc@739 871
adamc@760 872
adamc@760 873 static void parents(input *inp) {
adamc@760 874 printf("Stack: %p\n", inp);
adamc@760 875 while (inp) {
adamc@760 876 switch (inp->kind) {
adamc@760 877 case NORMAL:
adamc@760 878 printf("Normal(%p)\n", inp);
adamc@760 879 break;
adamc@760 880 case FIL:
adamc@760 881 printf("File(%p)\n", inp);
adamc@760 882 break;
adamc@760 883 case SUBFORM:
adamc@760 884 printf("Subform; fields = %p\n", inp->data.subform.fields);
adamc@760 885 inp = inp->data.subform.parent;
adamc@760 886 break;
adamc@760 887 case SUBFORMS:
adamc@760 888 printf("Subforms; entries = %p\n", inp->data.subforms.entries);
adamc@760 889 inp = inp->data.subforms.parent;
adamc@760 890 break;
adamc@760 891 case ENTRY:
adamc@760 892 printf("Entry; fields = %p; next = %p\n", inp->data.entry.fields, inp->data.entry.next);
adamc@760 893 inp = inp->data.entry.parent;
adamc@760 894 break;
adamc@760 895 default:
adamc@760 896 inp = NULL;
adamc@760 897 }
adamc@760 898 }
adamc@760 899 }
adamc@760 900
adamc@739 901 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737 902 if (n < 0)
adamc@737 903 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@737 904 if (n >= uw_inputs_len)
adamc@737 905 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737 906
adamc@756 907 switch (INP(ctx)[n].kind) {
adamc@737 908 case UNSET:
adamc@737 909 {
adamc@739 910 char *data = uw_malloc(ctx, 0);
adamc@740 911 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739 912 return f;
adamc@737 913 }
adamc@739 914 case FIL:
adamc@756 915 return INP(ctx)[n].data.file;
adamc@737 916 case NORMAL:
adamc@737 917 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756 918 case SUBFORM:
adamc@756 919 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759 920 case SUBFORMS:
adamc@759 921 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759 922 case ENTRY:
adamc@759 923 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737 924 default:
adamc@737 925 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 926 }
adamc@190 927 }
adamc@190 928
adamc@756 929 void uw_enter_subform(uw_context ctx, int n) {
adamc@756 930 if (n < 0)
adamc@756 931 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@756 932 if (n >= uw_inputs_len)
adamc@756 933 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756 934
adamc@756 935 switch (INP(ctx)[n].kind) {
adamc@756 936 case UNSET:
adamc@756 937 uw_error(ctx, FATAL, "Missing subform");
adamc@756 938 case FIL:
adamc@756 939 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756 940 case NORMAL:
adamc@756 941 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759 942 case SUBFORMS:
adamc@759 943 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759 944 case ENTRY:
adamc@759 945 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756 946 case SUBFORM:
adamc@759 947 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760 948 ctx->cur_container = &INP(ctx)[n];
adamc@756 949 return;
adamc@756 950 default:
adamc@756 951 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756 952 }
adamc@756 953 }
adamc@756 954
adamc@756 955 void uw_leave_subform(uw_context ctx) {
adamc@756 956 input *tmp;
adamc@756 957
adamc@759 958 if (ctx->cur_container == NULL)
adamc@756 959 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756 960
adamc@759 961 tmp = ctx->cur_container;
adamc@759 962 ctx->cur_container = tmp->data.subform.parent;
adamc@759 963 tmp->data.subform.parent = NULL;
adamc@759 964 }
adamc@759 965
adamc@759 966 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759 967 input *inps;
adamc@759 968
adamc@759 969 if (n < 0)
adamc@759 970 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@759 971 if (n >= uw_inputs_len)
adamc@759 972 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759 973
adamc@759 974 switch (INP(ctx)[n].kind) {
adamc@759 975 case UNSET:
adamc@759 976 uw_error(ctx, FATAL, "Missing subforms");
adamc@759 977 case FIL:
adamc@759 978 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759 979 case NORMAL:
adamc@759 980 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759 981 case SUBFORM:
adamc@759 982 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759 983 case ENTRY:
adamc@759 984 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759 985 case SUBFORMS:
adamc@759 986 inps = INP(ctx)[n].data.subforms.entries;
adamc@759 987 if (inps) {
adamc@759 988 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 989 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759 990 return 1;
adamc@759 991 } else
adamc@759 992 return 0;
adamc@759 993 default:
adamc@759 994 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 995 }
adamc@759 996 }
adamc@759 997
adamc@759 998 int uw_next_entry(uw_context ctx) {
adamc@759 999 if (ctx->cur_container == NULL)
adamc@759 1000 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759 1001
adamc@759 1002 switch (ctx->cur_container->kind) {
adamc@759 1003 case UNSET:
adamc@759 1004 uw_error(ctx, FATAL, "Missing entry");
adamc@759 1005 case FIL:
adamc@759 1006 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759 1007 case NORMAL:
adamc@759 1008 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759 1009 case SUBFORM:
adamc@759 1010 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759 1011 case SUBFORMS:
adamc@759 1012 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759 1013 case ENTRY:
adamc@759 1014 if (ctx->cur_container->data.entry.next) {
adamc@759 1015 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759 1016 return 1;
adamc@759 1017 } else {
adamc@759 1018 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759 1019 return 0;
adamc@759 1020 }
adamc@759 1021 default:
adamc@759 1022 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1023 }
adamc@756 1024 }
adamc@756 1025
adamc@643 1026 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 1027 ctx->script_header = s;
adamc@643 1028 }
adamc@643 1029
adamc@667 1030 void uw_set_url_prefix(uw_context ctx, const char *s) {
adamc@667 1031 ctx->url_prefix = s;
adamc@667 1032 }
adamc@667 1033
adamc@693 1034 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693 1035 ctx->needs_push = n;
adamc@693 1036 }
adamc@693 1037
adamc@736 1038 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736 1039 ctx->needs_sig = n;
adamc@736 1040 }
adamc@736 1041
adamc@667 1042
adamc@667 1043 static void buf_check_ctx(uw_context ctx, buf *b, size_t extra, const char *desc) {
adamc@666 1044 if (b->back - b->front < extra) {
adamc@666 1045 size_t desired = b->front - b->start + extra, next;
adamc@136 1046 char *new_heap;
adamc@136 1047
adamc@666 1048 next = b->back - b->start;
adamc@317 1049 if (next == 0)
adamc@317 1050 next = 1;
adamc@317 1051 for (; next < desired; next *= 2);
adamc@136 1052
adamc@666 1053 new_heap = realloc(b->start, next);
adamc@666 1054 b->front = new_heap + (b->front - b->start);
adamc@666 1055 b->back = new_heap + next;
adamc@136 1056
adamc@667 1057 if (new_heap != b->start) {
adamc@666 1058 b->start = new_heap;
adamc@666 1059 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously", desc);
adamc@136 1060 }
adamc@136 1061
adamc@666 1062 b->start = new_heap;
adamc@136 1063 }
adamc@136 1064 }
adamc@136 1065
adamc@832 1066 void uw_check_heap(uw_context ctx, size_t extra) {
adamc@667 1067 buf_check_ctx(ctx, &ctx->heap, extra, "heap chunk");
adamc@666 1068 }
adamc@666 1069
adamc@832 1070 char *uw_heap_front(uw_context ctx) {
adamc@832 1071 return ctx->heap.front;
adamc@832 1072 }
adamc@832 1073
adamc@832 1074 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832 1075 ctx->heap.front = fr;
adamc@832 1076 }
adamc@832 1077
adamc@311 1078 void *uw_malloc(uw_context ctx, size_t len) {
adamc@136 1079 void *result;
adamc@136 1080
adamc@311 1081 uw_check_heap(ctx, len);
adamc@136 1082
adamc@666 1083 result = ctx->heap.front;
adamc@666 1084 ctx->heap.front += len;
adamc@136 1085 return result;
adamc@117 1086 }
adamc@117 1087
adamc@323 1088 void uw_begin_region(uw_context ctx) {
adamc@666 1089 regions *r = (regions *) ctx->heap.front;
adamc@323 1090
adamc@323 1091 uw_check_heap(ctx, sizeof(regions));
adamc@323 1092
adamc@666 1093 ctx->heap.front += sizeof(regions);
adamc@323 1094
adamc@323 1095 r->next = ctx->regions;
adamc@323 1096 ctx->regions = r;
adamc@323 1097 }
adamc@323 1098
adamc@323 1099 void uw_end_region(uw_context ctx) {
adamc@323 1100 regions *r = ctx->regions;
adamc@323 1101
adamc@323 1102 if (r == NULL)
adamc@323 1103 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 1104
adamc@666 1105 ctx->heap.front = (char *) r;
adamc@323 1106 ctx->regions = r->next;
adamc@323 1107 }
adamc@323 1108
adamc@324 1109 void uw_memstats(uw_context ctx) {
adamc@666 1110 printf("Headers: %d/%d\n", buf_used(&ctx->outHeaders), buf_avail(&ctx->outHeaders));
adamc@666 1111 printf("Script: %d/%d\n", buf_used(&ctx->script), buf_avail(&ctx->script));
adamc@666 1112 printf("Page: %d/%d\n", buf_used(&ctx->page), buf_avail(&ctx->page));
adamc@666 1113 printf("Heap: %d/%d\n", buf_used(&ctx->heap), buf_avail(&ctx->heap));
adamc@324 1114 }
adamc@324 1115
adamc@311 1116 int uw_send(uw_context ctx, int sock) {
adamc@666 1117 int n = uw_really_send(sock, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@462 1118
adamc@462 1119 if (n < 0)
adamc@462 1120 return n;
adamc@462 1121
adamc@462 1122 n = uw_really_send(sock, "\r\n", 2);
adamc@462 1123
adamc@462 1124 if (n < 0)
adamc@462 1125 return n;
adamc@462 1126
adamc@666 1127 return uw_really_send(sock, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@462 1128 }
adamc@462 1129
adamc@856 1130 int uw_print(uw_context ctx, int fd) {
adamc@856 1131 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856 1132
adamc@856 1133 if (n < 0)
adamc@856 1134 return n;
adamc@856 1135
adamc@856 1136 n = uw_really_write(fd, "\r\n", 2);
adamc@856 1137
adamc@856 1138 if (n < 0)
adamc@856 1139 return n;
adamc@856 1140
adamc@856 1141 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856 1142 }
adamc@856 1143
adamc@860 1144 int uw_output(uw_context ctx, int (*output)(void *data, char *buf, size_t len), void *data) {
adamc@860 1145 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860 1146
adamc@860 1147 if (n < 0)
adamc@860 1148 return n;
adamc@860 1149
adamc@860 1150 n = output(data, "\r\n", 2);
adamc@860 1151
adamc@860 1152 if (n < 0)
adamc@860 1153 return n;
adamc@860 1154
adamc@860 1155 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860 1156 }
adamc@860 1157
adamc@462 1158 static void uw_check_headers(uw_context ctx, size_t extra) {
adamc@667 1159 buf_check(&ctx->outHeaders, extra);
adamc@462 1160 }
adamc@462 1161
adamc@462 1162 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 1163 int len = strlen(s);
adamc@462 1164
adamc@462 1165 uw_check_headers(ctx, len + 1);
adamc@666 1166 strcpy(ctx->outHeaders.front, s);
adamc@666 1167 ctx->outHeaders.front += len;
adamc@562 1168 }
adamc@562 1169
adamc@562 1170 static void uw_check_script(uw_context ctx, size_t extra) {
adamc@667 1171 buf_check(&ctx->script, extra);
adamc@562 1172 }
adamc@562 1173
adamc@562 1174 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 1175 int len = strlen(s);
adamc@562 1176
adamc@562 1177 uw_check_script(ctx, len + 1);
adamc@666 1178 strcpy(ctx->script.front, s);
adamc@666 1179 ctx->script.front += len;
adamc@562 1180 }
adamc@562 1181
adamc@645 1182 const char *uw_Basis_get_script(uw_context ctx, uw_unit u) {
adamc@916 1183 return "<sc>";
adamc@565 1184 }
adamc@565 1185
adamc@695 1186 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695 1187 if (s[0] == 0)
adamc@695 1188 return "";
adamc@695 1189 else {
adamc@695 1190 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695 1191 sprintf(r, " onload='%s'", s);
adamc@695 1192 return r;
adamc@695 1193 }
adamc@695 1194 }
adamc@695 1195
adamc@1042 1196 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042 1197 if (ctx->script_header[0] == 0)
adamc@1042 1198 return "";
adamc@1042 1199 else {
adamc@1042 1200 char *r = uw_malloc(ctx, 22 + strlen(s));
adamc@1042 1201 sprintf(r, " onunload='unload();%s'", s);
adamc@1042 1202 return r;
adamc@1042 1203 }
adamc@1042 1204 }
adamc@1042 1205
adamc@736 1206 extern uw_Basis_string uw_cookie_sig(uw_context);
adamc@736 1207
adamc@694 1208 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736 1209 if (ctx->client == NULL) {
adamc@736 1210 if (ctx->needs_sig) {
adamc@736 1211 char *sig = uw_cookie_sig(ctx);
adamc@736 1212 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736 1213 sprintf(r, "sig=\"%s\";", sig);
adamc@736 1214 return r;
adamc@736 1215 }
adamc@736 1216 else
adamc@736 1217 return "";
adamc@736 1218 } else {
adamc@736 1219 char *sig = ctx->needs_sig ? uw_cookie_sig(ctx) : "";
adamc@736 1220 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->url_prefix)
adamc@736 1221 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adamc@736 1222 sprintf(r, "client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adamc@682 1223 ctx->client->id,
adamc@682 1224 ctx->client->pass,
adamc@679 1225 ctx->url_prefix,
adamc@736 1226 ctx->timeout,
adamc@736 1227 ctx->needs_sig ? "sig=\"" : "",
adamc@736 1228 sig,
adamc@736 1229 ctx->needs_sig ? "\";" : "");
adamc@679 1230 return r;
adamc@668 1231 }
adamc@667 1232 }
adamc@667 1233
adamc@574 1234 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 1235 char *r, *s2;
adamc@574 1236
adamc@574 1237 uw_check_heap(ctx, strlen(s) * 4 + 2);
adamc@574 1238
adamc@666 1239 r = s2 = ctx->heap.front;
adamc@574 1240 *s2++ = '"';
adamc@574 1241
adamc@574 1242 for (; *s; s++) {
adamc@574 1243 char c = *s;
adamc@574 1244
adamc@574 1245 switch (c) {
adamc@574 1246 case '"':
adamc@574 1247 strcpy(s2, "\\\"");
adamc@574 1248 s2 += 2;
adamc@574 1249 break;
adamc@1027 1250 case '\'':
adamc@1027 1251 strcpy(s2, "\\047");
adamc@1027 1252 s2 += 4;
adamc@1027 1253 break;
adamc@574 1254 case '\\':
adamc@574 1255 strcpy(s2, "\\\\");
adamc@574 1256 s2 += 2;
adamc@574 1257 break;
adamc@574 1258 default:
adamc@574 1259 if (isprint(c))
adamc@574 1260 *s2++ = c;
adamc@574 1261 else {
adamc@574 1262 sprintf(s2, "\\%3o", c);
adamc@574 1263 s2 += 4;
adamc@574 1264 }
adamc@574 1265 }
adamc@574 1266 }
adamc@574 1267
adamc@574 1268 strcpy(s2, "\"");
adamc@910 1269 ctx->heap.front = s2 + 2;
adamc@574 1270 return r;
adamc@574 1271 }
adamc@574 1272
adamc@1025 1273 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1025 1274 char *r, *s2;
adamc@1025 1275
adamc@1025 1276 uw_check_heap(ctx, 6);
adamc@1025 1277
adamc@1025 1278 r = s2 = ctx->heap.front;
adamc@1025 1279 *s2++ = '"';
adamc@1025 1280
adamc@1025 1281 switch (c) {
adamc@1025 1282 case '"':
adamc@1025 1283 strcpy(s2, "\\\"");
adamc@1025 1284 s2 += 2;
adamc@1025 1285 break;
adamc@1027 1286 case '\'':
adamc@1027 1287 strcpy(s2, "\\047");
adamc@1027 1288 s2 += 4;
adamc@1027 1289 break;
adamc@1025 1290 case '\\':
adamc@1025 1291 strcpy(s2, "\\\\");
adamc@1025 1292 s2 += 2;
adamc@1025 1293 break;
adamc@1025 1294 default:
adamc@1025 1295 if (isprint(c))
adamc@1025 1296 *s2++ = c;
adamc@1025 1297 else {
adamc@1025 1298 sprintf(s2, "\\%3o", c);
adamc@1025 1299 s2 += 4;
adamc@1025 1300 }
adamc@1025 1301 }
adamc@1025 1302
adamc@1025 1303 strcpy(s2, "\"");
adamc@1025 1304 ctx->heap.front = s2 + 2;
adamc@1025 1305 return r;
adamc@1025 1306 }
adamc@1025 1307
adamc@574 1308 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 1309 char *r, *s2;
adamc@574 1310
adamc@574 1311 uw_check_script(ctx, strlen(s) * 4 + 2);
adamc@574 1312
adamc@666 1313 r = s2 = ctx->script.front;
adamc@574 1314 *s2++ = '"';
adamc@574 1315
adamc@574 1316 for (; *s; s++) {
adamc@574 1317 char c = *s;
adamc@574 1318
adamc@574 1319 switch (c) {
adamc@577 1320 case '\'':
adamc@1027 1321 strcpy(s2, "\\");
adamc@574 1322 s2 += 2;
adamc@574 1323 break;
adamc@574 1324 case '\\':
adamc@574 1325 strcpy(s2, "\\\\");
adamc@574 1326 s2 += 2;
adamc@574 1327 break;
adamc@574 1328 default:
adamc@574 1329 if (isprint(c))
adamc@574 1330 *s2++ = c;
adamc@574 1331 else {
adamc@574 1332 sprintf(s2, "\\%3o", c);
adamc@574 1333 s2 += 4;
adamc@574 1334 }
adamc@574 1335 }
adamc@574 1336 }
adamc@574 1337
adamc@574 1338 strcpy(s2, "\"");
adamc@666 1339 ctx->script.front = s2 + 1;
adamc@574 1340 return r;
adamc@574 1341 }
adamc@574 1342
adamc@682 1343 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1344 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1345 return "null";
adamc@682 1346 else {
adamc@682 1347 int len;
adamc@682 1348 char *r;
adamc@682 1349
adamc@682 1350 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1351 r = ctx->heap.front;
adamc@682 1352 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1353 ctx->heap.front += len+1;
adamc@682 1354 return r;
adamc@682 1355 }
adamc@682 1356 }
adamc@682 1357
adamc@577 1358 uw_Basis_int uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 1359 int len;
adamc@577 1360 size_t s_len = strlen(s);
adamc@562 1361
adamc@970 1362 uw_check_script(ctx, 18 + INTS_MAX + s_len);
adamc@970 1363 sprintf(ctx->script.front, "var s%d=sc(exec(%n", ctx->source_count, &len);
adamc@666 1364 ctx->script.front += len;
adamc@666 1365 strcpy(ctx->script.front, s);
adamc@666 1366 ctx->script.front += s_len;
adamc@970 1367 strcpy(ctx->script.front, "));");
adamc@972 1368 ctx->script.front += 3;
adamc@562 1369
adamc@565 1370 return ctx->source_count++;
adamc@117 1371 }
adamc@117 1372
adamc@577 1373 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_int n, uw_Basis_string s) {
adamc@577 1374 int len;
adamc@577 1375 size_t s_len = strlen(s);
adamc@577 1376
adamc@970 1377 uw_check_script(ctx, 12 + INTS_MAX + s_len);
adamc@970 1378 sprintf(ctx->script.front, "sv(s%d,exec(%n", (int)n, &len);
adamc@666 1379 ctx->script.front += len;
adamc@666 1380 strcpy(ctx->script.front, s);
adamc@666 1381 ctx->script.front += s_len;
adamc@970 1382 strcpy(ctx->script.front, "));");
adamc@972 1383 ctx->script.front += 3;
adamc@577 1384
adamc@577 1385 return uw_unit_v;
adamc@577 1386 }
adamc@577 1387
adamc@311 1388 static void uw_check(uw_context ctx, size_t extra) {
adamc@667 1389 buf_check(&ctx->page, extra);
adamc@117 1390 }
adamc@117 1391
adamc@311 1392 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 1393 *(ctx->page.front)++ = c;
adamc@117 1394 }
adamc@117 1395
adamc@311 1396 void uw_writec(uw_context ctx, char c) {
adamc@311 1397 uw_check(ctx, 1);
adamc@311 1398 uw_writec_unsafe(ctx, c);
adamc@117 1399 }
adamc@117 1400
adamc@311 1401 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 1402 int len = strlen(s);
adamc@666 1403 memcpy(ctx->page.front, s, len);
adamc@666 1404 ctx->page.front += len;
adamc@117 1405 }
adamc@117 1406
adamc@311 1407 void uw_write(uw_context ctx, const char* s) {
adamc@311 1408 uw_check(ctx, strlen(s) + 1);
adamc@311 1409 uw_write_unsafe(ctx, s);
adamc@666 1410 *ctx->page.front = 0;
adamc@102 1411 }
adamc@106 1412
adamc@311 1413 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 1414 char *result;
adamc@136 1415 int len;
adamc@311 1416 uw_check_heap(ctx, INTS_MAX);
adamc@666 1417 result = ctx->heap.front;
adamc@276 1418 sprintf(result, "%lld%n", n, &len);
adamc@666 1419 ctx->heap.front += len+1;
adamc@136 1420 return result;
adamc@106 1421 }
adamc@106 1422
adamc@311 1423 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 1424 char *result;
adamc@136 1425 int len;
adamc@311 1426 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1427 result = ctx->heap.front;
adamc@136 1428 sprintf(result, "%g%n", n, &len);
adamc@666 1429 ctx->heap.front += len+1;
adamc@136 1430 return result;
adamc@106 1431 }
adamc@106 1432
adamc@1054 1433 static int isCont(unsigned char ch) {
adamc@1054 1434 return ch / 64 == 2;
adamc@1054 1435 }
adamc@1054 1436
adamc@311 1437 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 1438 int len = strlen(s);
adamc@136 1439 char *result, *p;
adamc@311 1440 uw_check_heap(ctx, len * 6 + 1);
adamc@136 1441
adamc@666 1442 result = p = ctx->heap.front;
adamc@136 1443
adamc@136 1444 for (; *s; s++) {
adamc@1054 1445 unsigned char c = *s;
adamc@136 1446
adamc@136 1447 if (c == '"') {
adamc@136 1448 strcpy(p, "&quot;");
adamc@136 1449 p += 6;
adamc@136 1450 } else if (c == '&') {
adamc@136 1451 strcpy(p, "&amp;");
adamc@136 1452 p += 5;
adamc@136 1453 }
adamc@1059 1454 else
adamc@136 1455 *p++ = c;
adamc@136 1456 }
adamc@136 1457
adamc@137 1458 *p++ = 0;
adamc@666 1459 ctx->heap.front = p;
adamc@136 1460 return result;
adamc@106 1461 }
adamc@106 1462
adamc@1011 1463 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 1464 char *result, *p;
adamc@1011 1465 uw_check_heap(ctx, 7);
adamc@1011 1466
adamc@1011 1467 result = p = ctx->heap.front;
adamc@1011 1468
adamc@1011 1469 if (c == '"') {
adamc@1011 1470 strcpy(p, "&quot;");
adamc@1011 1471 p += 6;
adamc@1011 1472 } else if (c == '&') {
adamc@1011 1473 strcpy(p, "&amp;");
adamc@1011 1474 p += 5;
adamc@1011 1475 }
adamc@1059 1476 else
adamc@1011 1477 *p++ = c;
adamc@1011 1478
adamc@1011 1479 *p++ = 0;
adamc@1011 1480 ctx->heap.front = p;
adamc@1011 1481 return result;
adamc@1011 1482 }
adamc@1011 1483
adamc@721 1484 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721 1485 return s;
adamc@721 1486 }
adamc@721 1487
adamc@311 1488 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 1489 int len;
adamc@117 1490
adamc@666 1491 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1492 ctx->page.front += len;
adamc@106 1493 }
adamc@106 1494
adamc@428 1495 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1496 uw_check(ctx, INTS_MAX);
adamc@311 1497 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 1498
adamc@428 1499 return uw_unit_v;
adamc@106 1500 }
adamc@106 1501
adamc@428 1502 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 1503 int len;
adamc@117 1504
adamc@311 1505 uw_check(ctx, FLOATS_MAX);
adamc@666 1506 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1507 ctx->page.front += len;
adamc@428 1508
adamc@428 1509 return uw_unit_v;
adamc@117 1510 }
adamc@117 1511
adamc@428 1512 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1513 uw_check(ctx, strlen(s) * 6);
adamc@117 1514
adamc@106 1515 for (; *s; s++) {
adamc@1054 1516 unsigned char c = *s;
adamc@106 1517
adamc@106 1518 if (c == '"')
adamc@311 1519 uw_write_unsafe(ctx, "&quot;");
adamc@136 1520 else if (c == '&')
adamc@311 1521 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1522 else
adamc@311 1523 uw_writec_unsafe(ctx, c);
adamc@106 1524 }
adamc@428 1525
adamc@428 1526 return uw_unit_v;
adamc@106 1527 }
adamc@120 1528
adamc@1011 1529 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011 1530 uw_check(ctx, 6);
adamc@1011 1531
adamc@1011 1532 if (c == '"')
adamc@1011 1533 uw_write_unsafe(ctx, "&quot;");
adamc@1011 1534 else if (c == '&')
adamc@1011 1535 uw_write_unsafe(ctx, "&amp;");
adamc@1059 1536 else
adamc@1011 1537 uw_writec_unsafe(ctx, c);
adamc@1011 1538
adamc@1011 1539 return uw_unit_v;
adamc@1011 1540 }
adamc@1011 1541
adamc@120 1542
adamc@311 1543 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 1544 int len;
adamc@137 1545 char *r;
adamc@137 1546
adamc@311 1547 uw_check_heap(ctx, INTS_MAX);
adamc@666 1548 r = ctx->heap.front;
adamc@276 1549 sprintf(r, "%lld%n", n, &len);
adamc@666 1550 ctx->heap.front += len+1;
adamc@137 1551 return r;
adamc@120 1552 }
adamc@120 1553
adamc@682 1554 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1555 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1556 return "";
adamc@682 1557 else {
adamc@682 1558 int len;
adamc@682 1559 char *r;
adamc@679 1560
adamc@682 1561 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1562 r = ctx->heap.front;
adamc@682 1563 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1564 ctx->heap.front += len+1;
adamc@682 1565 return r;
adamc@682 1566 }
adamc@679 1567 }
adamc@679 1568
adamc@311 1569 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 1570 int len;
adamc@137 1571 char *r;
adamc@137 1572
adamc@311 1573 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1574 r = ctx->heap.front;
adamc@137 1575 sprintf(r, "%g%n", n, &len);
adamc@666 1576 ctx->heap.front += len+1;
adamc@137 1577 return r;
adamc@120 1578 }
adamc@120 1579
adamc@311 1580 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1581 char *r, *p;
adamc@137 1582
adamc@925 1583 if (s[0] == '\0')
adamc@925 1584 return "_";
adamc@925 1585
adamc@925 1586 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925 1587
adamc@925 1588 r = p = ctx->heap.front;
adamc@925 1589 if (s[0] == '_')
adamc@925 1590 *p++ = '_';
adamc@925 1591
adamc@925 1592 for (; *s; s++) {
adamc@137 1593 char c = *s;
adamc@137 1594
adamc@137 1595 if (c == ' ')
adamc@137 1596 *p++ = '+';
adamc@137 1597 else if (isalnum(c))
adamc@137 1598 *p++ = c;
adamc@137 1599 else {
adamc@137 1600 sprintf(p, "%%%02X", c);
adamc@137 1601 p += 3;
adamc@137 1602 }
adamc@137 1603 }
adamc@137 1604
adamc@137 1605 *p++ = 0;
adamc@666 1606 ctx->heap.front = p;
adamc@137 1607 return r;
adamc@120 1608 }
adamc@120 1609
adamc@311 1610 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1611 if (b == uw_Basis_False)
adamc@186 1612 return "0";
adamc@186 1613 else
adamc@186 1614 return "1";
adamc@186 1615 }
adamc@186 1616
adamc@311 1617 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1618 int len;
adamc@120 1619
adamc@666 1620 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1621 ctx->page.front += len;
adamc@120 1622 }
adamc@120 1623
adamc@428 1624 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1625 uw_check(ctx, INTS_MAX);
adamc@311 1626 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1627
adamc@428 1628 return uw_unit_v;
adamc@120 1629 }
adamc@120 1630
adamc@682 1631 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1632 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1633 int len;
adamc@682 1634
adamc@682 1635 uw_check(ctx, INTS_MAX + 1);
adamc@682 1636 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1637 ctx->page.front += len;
adamc@682 1638 }
adamc@682 1639
adamc@679 1640 return uw_unit_v;
adamc@679 1641 }
adamc@679 1642
adamc@428 1643 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1644 int len;
adamc@120 1645
adamc@311 1646 uw_check(ctx, FLOATS_MAX);
adamc@666 1647 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1648 ctx->page.front += len;
adamc@428 1649
adamc@428 1650 return uw_unit_v;
adamc@120 1651 }
adamc@120 1652
adamc@488 1653 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@488 1654 return uw_Basis_urlifyInt(ctx, t);
adamc@488 1655 }
adamc@488 1656
adamc@428 1657 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925 1658 if (s[0] == '\0') {
adamc@925 1659 uw_check(ctx, 1);
adamc@925 1660 uw_writec_unsafe(ctx, '_');
adamc@925 1661 return uw_unit_v;
adamc@925 1662 }
adamc@925 1663
adamc@925 1664 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925 1665
adamc@925 1666 if (s[0] == '_')
adamc@925 1667 uw_writec_unsafe(ctx, '_');
adamc@120 1668
adamc@120 1669 for (; *s; s++) {
adamc@120 1670 char c = *s;
adamc@120 1671
adamc@120 1672 if (c == ' ')
adamc@311 1673 uw_writec_unsafe(ctx, '+');
adamc@120 1674 else if (isalnum(c))
adamc@311 1675 uw_writec_unsafe(ctx, c);
adamc@120 1676 else {
adamc@666 1677 sprintf(ctx->page.front, "%%%02X", c);
adamc@666 1678 ctx->page.front += 3;
adamc@120 1679 }
adamc@120 1680 }
adamc@428 1681
adamc@428 1682 return uw_unit_v;
adamc@120 1683 }
adamc@120 1684
adamc@428 1685 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1686 if (b == uw_Basis_False)
adamc@311 1687 uw_writec(ctx, '0');
adamc@186 1688 else
adamc@311 1689 uw_writec(ctx, '1');
adamc@428 1690
adamc@428 1691 return uw_unit_v;
adamc@186 1692 }
adamc@186 1693
adamc@120 1694
adamc@311 1695 static char *uw_unurlify_advance(char *s) {
adamc@144 1696 char *new_s = strchr(s, '/');
adamc@120 1697
adamc@120 1698 if (new_s)
adamc@120 1699 *new_s++ = 0;
adamc@120 1700 else
adamc@144 1701 new_s = strchr(s, 0);
adamc@144 1702
adamc@144 1703 return new_s;
adamc@144 1704 }
adamc@144 1705
adamc@311 1706 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 1707 char *new_s = uw_unurlify_advance(*s);
adamc@311 1708 uw_Basis_int r;
adamc@120 1709
adamc@276 1710 r = atoll(*s);
adamc@120 1711 *s = new_s;
adamc@120 1712 return r;
adamc@120 1713 }
adamc@120 1714
adamc@311 1715 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 1716 char *new_s = uw_unurlify_advance(*s);
adamc@311 1717 uw_Basis_float r;
adamc@120 1718
adamc@120 1719 r = atof(*s);
adamc@120 1720 *s = new_s;
adamc@120 1721 return r;
adamc@120 1722 }
adamc@120 1723
adamc@488 1724 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adamc@488 1725 return uw_Basis_unurlifyInt(ctx, s);
adamc@488 1726 }
adamc@488 1727
adamc@1023 1728 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char *r, char *s) {
adamc@927 1729 char *s1, *s2 = s;
adamc@144 1730 int n;
adamc@136 1731
adamc@1023 1732 if (!fromClient) {
adamc@1023 1733 if (*s2 == '_')
adamc@1023 1734 ++s2;
adamc@1023 1735 else if (s2[0] == '%' && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@1023 1736 s2 += 3;
adamc@1023 1737 }
adamc@925 1738
adamc@927 1739 for (s1 = r; *s2; ++s1, ++s2) {
adamc@136 1740 char c = *s2;
adamc@136 1741
adamc@136 1742 switch (c) {
adamc@136 1743 case '+':
adamc@136 1744 *s1 = ' ';
adamc@136 1745 break;
adamc@136 1746 case '%':
adamc@169 1747 if (s2[1] == 0)
adamc@311 1748 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 1749 if (s2[2] == 0)
adamc@311 1750 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 1751 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@311 1752 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@136 1753 *s1 = n;
adamc@136 1754 s2 += 2;
adamc@136 1755 break;
adamc@136 1756 default:
adamc@136 1757 *s1 = c;
adamc@136 1758 }
adamc@136 1759 }
adamc@136 1760 *s1++ = 0;
adamc@144 1761 return s1;
adamc@144 1762 }
adamc@144 1763
adamc@311 1764 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 1765 char *new_s = uw_unurlify_advance(*s);
adamc@311 1766 uw_Basis_bool r;
adamc@186 1767
adamc@186 1768 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 1769 r = uw_Basis_False;
adamc@186 1770 else
adamc@311 1771 r = uw_Basis_True;
adamc@186 1772
adamc@186 1773 *s = new_s;
adamc@186 1774 return r;
adamc@186 1775 }
adamc@186 1776
adamc@311 1777 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 1778 char *new_s = uw_unurlify_advance(*s);
adamc@144 1779 char *r, *s1, *s2;
adamc@144 1780 int len, n;
adamc@144 1781
adamc@200 1782 len = strlen(*s);
adamc@311 1783 uw_check_heap(ctx, len + 1);
adamc@144 1784
adamc@666 1785 r = ctx->heap.front;
adamc@1023 1786 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023 1787 *s = new_s;
adamc@1023 1788 return r;
adamc@1023 1789 }
adamc@1023 1790
adamc@1023 1791 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023 1792 char *new_s = uw_unurlify_advance(*s);
adamc@1023 1793 char *r, *s1, *s2;
adamc@1023 1794 int len, n;
adamc@1023 1795
adamc@1023 1796 len = strlen(*s);
adamc@1023 1797 uw_check_heap(ctx, len + 1);
adamc@1023 1798
adamc@1023 1799 r = ctx->heap.front;
adamc@1023 1800 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136 1801 *s = new_s;
adamc@136 1802 return r;
adamc@120 1803 }
adamc@135 1804
adamc@135 1805
adamc@311 1806 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 1807 int len;
adamc@286 1808 char *r;
adamc@286 1809
adamc@311 1810 uw_check_heap(ctx, INTS_MAX);
adamc@666 1811 r = ctx->heap.front;
adamc@286 1812 sprintf(r, "%lld%n", n, &len);
adamc@666 1813 ctx->heap.front += len+1;
adamc@286 1814 return r;
adamc@286 1815 }
adamc@286 1816
adamc@428 1817 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 1818 int len;
adamc@286 1819
adamc@311 1820 uw_check(ctx, INTS_MAX);
adamc@666 1821 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1822 ctx->page.front += len;
adamc@428 1823
adamc@428 1824 return uw_unit_v;
adamc@286 1825 }
adamc@286 1826
adamc@311 1827 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 1828 int len;
adamc@286 1829 char *r;
adamc@286 1830
adamc@311 1831 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1832 r = ctx->heap.front;
adamc@286 1833 sprintf(r, "%g%n", n, &len);
adamc@666 1834 ctx->heap.front += len+1;
adamc@286 1835 return r;
adamc@286 1836 }
adamc@286 1837
adamc@428 1838 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 1839 int len;
adamc@286 1840
adamc@311 1841 uw_check(ctx, FLOATS_MAX);
adamc@666 1842 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1843 ctx->page.front += len;
adamc@428 1844
adamc@428 1845 return uw_unit_v;
adamc@286 1846 }
adamc@286 1847
adamc@311 1848 char *uw_Basis_htmlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1849 char *r, *s2;
adamc@137 1850
adamc@311 1851 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 1852
adamc@666 1853 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054 1854 unsigned char c = *s;
adamc@137 1855
adamc@137 1856 switch (c) {
adamc@137 1857 case '<':
adamc@137 1858 strcpy(s2, "&lt;");
adamc@137 1859 s2 += 4;
adamc@137 1860 break;
adamc@137 1861 case '&':
adamc@137 1862 strcpy(s2, "&amp;");
adamc@137 1863 s2 += 5;
adamc@137 1864 break;
adamc@137 1865 default:
adamc@1059 1866 *s2++ = c;
adamc@137 1867 }
adamc@137 1868 }
adamc@137 1869
adamc@137 1870 *s2++ = 0;
adamc@666 1871 ctx->heap.front = s2;
adamc@137 1872 return r;
adamc@135 1873 }
adamc@135 1874
adamc@428 1875 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 1876 uw_check(ctx, strlen(s) * 6);
adamc@135 1877
adamc@135 1878 for (; *s; s++) {
adamc@1054 1879 unsigned char c = *s;
adamc@135 1880
adamc@135 1881 switch (c) {
adamc@135 1882 case '<':
adamc@311 1883 uw_write_unsafe(ctx, "&lt;");
adamc@135 1884 break;
adamc@135 1885 case '&':
adamc@311 1886 uw_write_unsafe(ctx, "&amp;");
adamc@135 1887 break;
adamc@135 1888 default:
adamc@1059 1889 uw_writec_unsafe(ctx, c);
adamc@135 1890 }
adamc@135 1891 }
adamc@428 1892
adamc@428 1893 return uw_unit_v;
adamc@135 1894 }
adamc@180 1895
adamc@311 1896 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1897 if (b == uw_Basis_False)
adamc@286 1898 return "False";
adamc@286 1899 else
adamc@286 1900 return "True";
adamc@286 1901 }
adamc@286 1902
adamc@428 1903 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1904 if (b == uw_Basis_False) {
adamc@311 1905 uw_check(ctx, 6);
adamc@666 1906 strcpy(ctx->page.front, "False");
adamc@666 1907 ctx->page.front += 5;
adamc@286 1908 } else {
adamc@311 1909 uw_check(ctx, 5);
adamc@666 1910 strcpy(ctx->page.front, "True");
adamc@666 1911 ctx->page.front += 4;
adamc@286 1912 }
adamc@428 1913
adamc@428 1914 return uw_unit_v;
adamc@286 1915 }
adamc@286 1916
adamc@436 1917 #define TIME_FMT "%x %X"
adamc@438 1918 #define TIME_FMT_PG "%Y-%m-%d %T"
adamc@436 1919
adamc@436 1920 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@436 1921 size_t len;
adamc@436 1922 char *r;
adamc@436 1923 struct tm stm;
adamc@436 1924
adamc@436 1925 if (localtime_r(&t, &stm)) {
adamc@436 1926 uw_check_heap(ctx, TIMES_MAX);
adamc@666 1927 r = ctx->heap.front;
adamc@436 1928 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 1929 ctx->heap.front += len+1;
adamc@436 1930 return r;
adamc@436 1931 } else
adamc@436 1932 return "<i>Invalid time</i>";
adamc@436 1933 }
adamc@436 1934
adamc@436 1935 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adamc@436 1936 size_t len;
adamc@436 1937 char *r;
adamc@436 1938 struct tm stm;
adamc@436 1939
adamc@436 1940 if (localtime_r(&t, &stm)) {
adamc@436 1941 uw_check(ctx, TIMES_MAX);
adamc@666 1942 r = ctx->page.front;
adamc@436 1943 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 1944 ctx->page.front += len;
adamc@436 1945 } else {
adamc@436 1946 uw_check(ctx, 20);
adamc@666 1947 strcpy(ctx->page.front, "<i>Invalid time</i>");
adamc@666 1948 ctx->page.front += 19;
adamc@436 1949 }
adamc@436 1950
adamc@436 1951 return uw_unit_v;
adamc@436 1952 }
adamc@436 1953
adamc@821 1954 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821 1955 if (n >= 0 && n < strlen(s))
adamc@821 1956 return s[n];
adamc@821 1957 else
adamc@821 1958 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adamc@821 1959 }
adamc@821 1960
adamc@821 1961 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821 1962 if (n >= 0 && n < strlen(s))
adamc@821 1963 return &s[n];
adamc@821 1964 else
adamc@821 1965 uw_error(ctx, FATAL, "Out-of-bounds strsuffix");
adamc@821 1966 }
adamc@821 1967
adamc@828 1968 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 1969 return strlen(s);
adamc@828 1970 }
adamc@828 1971
adamc@829 1972 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 1973 return strchr(s, ch);
adamc@829 1974 }
adamc@829 1975
adamc@831 1976 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 1977 return strcspn(s, chs);
adamc@831 1978 }
adamc@831 1979
adamc@829 1980 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 1981 uw_Basis_string r = strchr(s, ch);
adamc@829 1982 if (r == NULL)
adamc@829 1983 return NULL;
adamc@829 1984 else {
adamc@829 1985 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 1986 *nr = r - s;
adamc@829 1987 return nr;
adamc@829 1988 }
adamc@829 1989 }
adamc@829 1990
adamc@311 1991 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 1992 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 1993 char *s;
adamc@180 1994
adamc@311 1995 uw_check_heap(ctx, len);
adamc@180 1996
adamc@666 1997 s = ctx->heap.front;
adamc@180 1998
adamc@180 1999 strcpy(s, s1);
adamc@180 2000 strcat(s, s2);
adamc@666 2001 ctx->heap.front += len;
adamc@180 2002
adamc@180 2003 return s;
adamc@180 2004 }
adamc@278 2005
adamc@829 2006 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 2007 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 2008
adamc@829 2009 if (start < 0)
adamc@829 2010 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 2011 if (len < 0)
adamc@829 2012 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 2013 if (start + len > full_len)
adamc@829 2014 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 2015
adamc@829 2016 if (start + len == full_len)
adamc@829 2017 return &s[start];
adamc@829 2018 else {
adamc@829 2019 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 2020 memcpy(r, s+start, len);
adamc@829 2021 r[len] = 0;
adamc@829 2022 return r;
adamc@829 2023 }
adamc@829 2024
adamc@829 2025 }
adamc@829 2026
adamc@1023 2027 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023 2028 char *r;
adamc@1023 2029
adamc@1023 2030 uw_check_heap(ctx, 2);
adamc@1023 2031 r = ctx->heap.front;
adamc@1023 2032 r[0] = ch;
adamc@1023 2033 r[1] = 0;
adamc@1023 2034
adamc@1023 2035 ctx->heap.front += 2;
adamc@1023 2036
adamc@1023 2037 return r;
adamc@1023 2038 }
adamc@1023 2039
adamc@737 2040 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 2041 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 2042 char *s;
adamc@278 2043
adamc@311 2044 uw_check_heap(ctx, len);
adamc@278 2045
adamc@666 2046 s = ctx->heap.front;
adamc@278 2047
adamc@278 2048 strcpy(s, s1);
adamc@666 2049 ctx->heap.front += len;
adamc@278 2050
adamc@278 2051 return s;
adamc@278 2052 }
adamc@280 2053
adamc@737 2054 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 2055 if (s1)
adamc@737 2056 return uw_strdup(ctx, s1);
adamc@493 2057 else
adamc@493 2058 return NULL;
adamc@493 2059 }
adamc@493 2060
adamc@742 2061 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 2062 char *r = uw_malloc(ctx, len);
adamc@742 2063 memcpy(r, p, len);
adamc@742 2064 return r;
adamc@742 2065 }
adamc@280 2066
adamc@879 2067 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 2068
adamc@311 2069 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 2070 int len;
adamc@281 2071 char *r;
adamc@281 2072
adamc@311 2073 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 2074 r = ctx->heap.front;
adamc@879 2075 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 2076 ctx->heap.front += len+1;
adamc@281 2077 return r;
adamc@281 2078 }
adamc@281 2079
adamc@467 2080 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 2081 if (n == NULL)
adamc@467 2082 return "NULL";
adamc@467 2083 else
adamc@467 2084 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 2085 }
adamc@467 2086
adamc@879 2087 char *uw_sqlfmtFloat = "%g::float8%n";
adamc@879 2088
adamc@311 2089 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 2090 int len;
adamc@281 2091 char *r;
adamc@281 2092
adamc@311 2093 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 2094 r = ctx->heap.front;
adamc@879 2095 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 2096 ctx->heap.front += len+1;
adamc@281 2097 return r;
adamc@281 2098 }
adamc@281 2099
adamc@467 2100 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 2101 if (n == NULL)
adamc@467 2102 return "NULL";
adamc@467 2103 else
adamc@467 2104 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 2105 }
adamc@467 2106
adamc@879 2107 int uw_Estrings = 1;
adamc@879 2108 char *uw_sqlsuffixString = "::text";
adamc@1011 2109 char *uw_sqlsuffixChar = "::char";
adamc@281 2110
adamc@311 2111 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 2112 char *r, *s2;
adamc@280 2113
adamc@879 2114 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 2115
adamc@666 2116 r = s2 = ctx->heap.front;
adamc@879 2117 if (uw_Estrings)
adamc@879 2118 *s2++ = 'E';
adamc@280 2119 *s2++ = '\'';
adamc@280 2120
adamc@280 2121 for (; *s; s++) {
adamc@280 2122 char c = *s;
adamc@280 2123
adamc@280 2124 switch (c) {
adamc@280 2125 case '\'':
adamc@885 2126 if (uw_Estrings)
adamc@885 2127 strcpy(s2, "\\'");
adamc@885 2128 else
adamc@885 2129 strcpy(s2, "''");
adamc@280 2130 s2 += 2;
adamc@280 2131 break;
adamc@280 2132 case '\\':
adamc@885 2133 if (uw_Estrings) {
adamc@885 2134 strcpy(s2, "\\\\");
adamc@885 2135 s2 += 2;
adamc@885 2136 } else
adamc@885 2137 *s2++ = '\\';
adamc@280 2138 break;
adamc@280 2139 default:
adamc@280 2140 if (isprint(c))
adamc@280 2141 *s2++ = c;
adamc@879 2142 else if (uw_Estrings) {
adamc@737 2143 sprintf(s2, "\\%03o", c);
adamc@280 2144 s2 += 4;
adamc@280 2145 }
adamc@879 2146 else
adamc@879 2147 uw_error(ctx, FATAL, "Non-printable character %u in string to SQLify", c);
adamc@280 2148 }
adamc@280 2149 }
adamc@280 2150
adamc@879 2151 *s2++ = '\'';
adamc@879 2152 strcpy(s2, uw_sqlsuffixString);
adamc@879 2153 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2154 return r;
adamc@280 2155 }
adamc@281 2156
adamc@1011 2157 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 2158 char *r, *s2;
adamc@1011 2159
adamc@1011 2160 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011 2161
adamc@1011 2162 r = s2 = ctx->heap.front;
adamc@1011 2163 if (uw_Estrings)
adamc@1011 2164 *s2++ = 'E';
adamc@1011 2165 *s2++ = '\'';
adamc@1011 2166
adamc@1011 2167 switch (c) {
adamc@1011 2168 case '\'':
adamc@1011 2169 if (uw_Estrings)
adamc@1011 2170 strcpy(s2, "\\'");
adamc@1011 2171 else
adamc@1011 2172 strcpy(s2, "''");
adamc@1011 2173 s2 += 2;
adamc@1011 2174 break;
adamc@1011 2175 case '\\':
adamc@1011 2176 if (uw_Estrings) {
adamc@1011 2177 strcpy(s2, "\\\\");
adamc@1011 2178 s2 += 2;
adamc@1011 2179 } else
adamc@1011 2180 *s2++ = '\\';
adamc@1011 2181 break;
adamc@1011 2182 default:
adamc@1011 2183 if (isprint(c))
adamc@1011 2184 *s2++ = c;
adamc@1011 2185 else if (uw_Estrings) {
adamc@1011 2186 sprintf(s2, "\\%03o", c);
adamc@1011 2187 s2 += 4;
adamc@1011 2188 }
adamc@1011 2189 else
adamc@1011 2190 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011 2191 }
adamc@1011 2192
adamc@1011 2193 *s2++ = '\'';
adamc@1011 2194 strcpy(s2, uw_sqlsuffixChar);
adamc@1011 2195 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011 2196 return r;
adamc@1011 2197 }
adamc@1011 2198
adamc@879 2199 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2200
adamc@737 2201 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2202 char *r, *s2;
adamc@737 2203 size_t i;
adamc@737 2204
adamc@879 2205 uw_check_heap(ctx, b.size * 5 + 3 + uw_Estrings + strlen(uw_sqlsuffixBlob));
adamc@737 2206
adamc@737 2207 r = s2 = ctx->heap.front;
adamc@879 2208 if (uw_Estrings)
adamc@879 2209 *s2++ = 'E';
adamc@737 2210 *s2++ = '\'';
adamc@737 2211
adamc@737 2212 for (i = 0; i < b.size; ++i) {
adamc@737 2213 char c = b.data[i];
adamc@737 2214
adamc@737 2215 switch (c) {
adamc@737 2216 case '\'':
adamc@885 2217 if (uw_Estrings)
adamc@885 2218 strcpy(s2, "\\'");
adamc@885 2219 else
adamc@885 2220 strcpy(s2, "''");
adamc@737 2221 s2 += 2;
adamc@737 2222 break;
adamc@737 2223 case '\\':
adamc@885 2224 if (uw_Estrings) {
adamc@885 2225 strcpy(s2, "\\\\\\\\");
adamc@885 2226 s2 += 4;
adamc@885 2227 } else
adamc@885 2228 *s2++ = '\\';
adamc@737 2229 break;
adamc@737 2230 default:
adamc@737 2231 if (isprint(c))
adamc@737 2232 *s2++ = c;
adamc@879 2233 else if (uw_Estrings) {
adamc@737 2234 sprintf(s2, "\\\\%03o", c);
adamc@737 2235 s2 += 5;
adamc@737 2236 }
adamc@879 2237 else
adamc@879 2238 uw_error(ctx, FATAL, "Non-printable character %u in blob to SQLify", c);
adamc@737 2239 }
adamc@737 2240 }
adamc@737 2241
adamc@879 2242 *s2++ = '\'';
adamc@879 2243 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2244 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2245 return r;
adamc@737 2246 }
adamc@737 2247
adamc@682 2248 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2249 int len;
adamc@682 2250 char *r;
adamc@682 2251 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2252
adamc@682 2253 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2254 r = ctx->heap.front;
adamc@879 2255 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2256 ctx->heap.front += len+1;
adamc@682 2257 return r;
adamc@682 2258 }
adamc@682 2259
adamc@682 2260 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2261 int len;
adamc@682 2262 char *r;
adamc@682 2263 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2264
adamc@682 2265 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2266 r = ctx->heap.front;
adamc@682 2267 sprintf(r, "%lld%n", combo, &len);
adamc@682 2268 ctx->heap.front += len+1;
adamc@682 2269 return r;
adamc@682 2270 }
adamc@682 2271
adamc@879 2272 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2273
adamc@682 2274 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2275 int len;
adamc@682 2276 char *r;
adamc@682 2277
adamc@682 2278 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2279 r = ctx->heap.front;
adamc@879 2280 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2281 ctx->heap.front += len+1;
adamc@682 2282 return r;
adamc@682 2283 }
adamc@682 2284
adamc@682 2285 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2286 int len;
adamc@682 2287 char *r;
adamc@682 2288
adamc@682 2289 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2290 r = ctx->heap.front;
adamc@682 2291 sprintf(r, "%u%n", cli, &len);
adamc@682 2292 ctx->heap.front += len+1;
adamc@682 2293 return r;
adamc@682 2294 }
adamc@682 2295
adamc@467 2296 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2297 if (s == NULL)
adamc@467 2298 return "NULL";
adamc@467 2299 else
adamc@467 2300 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2301 }
adamc@467 2302
adamc@311 2303 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2304 if (b == uw_Basis_False)
adamc@281 2305 return "FALSE";
adamc@281 2306 else
adamc@281 2307 return "TRUE";
adamc@281 2308 }
adamc@282 2309
adamc@467 2310 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2311 if (b == NULL)
adamc@467 2312 return "NULL";
adamc@467 2313 else
adamc@467 2314 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2315 }
adamc@467 2316
adamc@439 2317 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2318 size_t len;
adamc@682 2319 char *r, *s;
adamc@682 2320 struct tm stm;
adamc@682 2321
adamc@682 2322 if (localtime_r(&t, &stm)) {
adamc@682 2323 s = uw_malloc(ctx, TIMES_MAX);
adamc@995 2324 --stm.tm_hour;
adamc@682 2325 len = strftime(s, TIMES_MAX, TIME_FMT, &stm);
adamc@682 2326 r = uw_malloc(ctx, len + 14);
adamc@682 2327 sprintf(r, "'%s'::timestamp", s);
adamc@682 2328 return r;
adamc@682 2329 } else
adamc@682 2330 return "<Invalid time>";
adamc@682 2331 }
adamc@682 2332
adamc@682 2333 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2334 size_t len;
adamc@439 2335 char *r;
adamc@439 2336 struct tm stm;
adamc@439 2337
adamc@439 2338 if (localtime_r(&t, &stm)) {
adamc@439 2339 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2340 r = ctx->heap.front;
adamc@439 2341 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2342 ctx->heap.front += len+1;
adamc@439 2343 return r;
adamc@439 2344 } else
adamc@439 2345 return "<Invalid time>";
adamc@439 2346 }
adamc@439 2347
adamc@467 2348 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2349 if (t == NULL)
adamc@467 2350 return "NULL";
adamc@467 2351 else
adamc@467 2352 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2353 }
adamc@467 2354
adamc@311 2355 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2356 static uw_Basis_int true = 1;
adamc@311 2357 static uw_Basis_int false = 0;
adamc@282 2358
adamc@311 2359 if (b == uw_Basis_False)
adamc@282 2360 return (char *)&false;
adamc@282 2361 else
adamc@282 2362 return (char *)&true;
adamc@282 2363 }
adamc@284 2364
adamc@311 2365 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2366 int len;
adamc@284 2367 char *r;
adamc@284 2368
adamc@311 2369 uw_check_heap(ctx, INTS_MAX);
adamc@666 2370 r = ctx->heap.front;
adamc@284 2371 sprintf(r, "%lld%n", n, &len);
adamc@666 2372 ctx->heap.front += len+1;
adamc@284 2373 return r;
adamc@284 2374 }
adamc@285 2375
adamc@311 2376 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2377 int len;
adamc@285 2378 char *r;
adamc@285 2379
adamc@311 2380 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2381 r = ctx->heap.front;
adamc@285 2382 sprintf(r, "%g%n", n, &len);
adamc@666 2383 ctx->heap.front += len+1;
adamc@285 2384 return r;
adamc@285 2385 }
adamc@285 2386
adamc@821 2387 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2388 char *r = uw_malloc(ctx, 2);
adamc@821 2389 r[0] = ch;
adamc@821 2390 r[1] = 0;
adamc@821 2391 return r;
adamc@821 2392 }
adamc@821 2393
adamc@311 2394 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2395 if (b == uw_Basis_False)
adamc@285 2396 return "False";
adamc@285 2397 else
adamc@285 2398 return "True";
adamc@285 2399 }
adamc@288 2400
adamc@436 2401 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adamc@436 2402 size_t len;
adamc@436 2403 char *r;
adamc@436 2404 struct tm stm;
adamc@436 2405
adamc@436 2406 if (localtime_r(&t, &stm)) {
adamc@436 2407 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2408 r = ctx->heap.front;
adamc@436 2409 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2410 ctx->heap.front += len+1;
adamc@436 2411 return r;
adamc@436 2412 } else
adamc@436 2413 return "<Invalid time>";
adamc@436 2414 }
adamc@288 2415
adamc@311 2416 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2417 char *endptr;
adamc@311 2418 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2419
adamc@288 2420 if (*s != '\0' && *endptr == '\0') {
adamc@311 2421 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2422 *r = n;
adamc@288 2423 return r;
adamc@288 2424 } else
adamc@288 2425 return NULL;
adamc@288 2426 }
adamc@289 2427
adamc@311 2428 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2429 char *endptr;
adamc@311 2430 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2431
adamc@289 2432 if (*s != '\0' && *endptr == '\0') {
adamc@311 2433 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2434 *r = n;
adamc@289 2435 return r;
adamc@289 2436 } else
adamc@289 2437 return NULL;
adamc@289 2438 }
adamc@289 2439
adamc@821 2440 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2441 if (s[0] == 0) {
adamc@821 2442 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2443 r[0] = 0;
adamc@821 2444 return r;
adamc@821 2445 } else if (s[1] != 0)
adamc@821 2446 return NULL;
adamc@821 2447 else {
adamc@821 2448 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2449 r[0] = s[0];
adamc@821 2450 return r;
adamc@821 2451 }
adamc@821 2452 }
adamc@821 2453
adamc@311 2454 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2455 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2456 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2457
adamc@289 2458 if (!strcasecmp (s, "True"))
adamc@289 2459 return &true;
adamc@289 2460 else if (!strcasecmp (s, "False"))
adamc@289 2461 return &false;
adamc@289 2462 else
adamc@289 2463 return NULL;
adamc@289 2464 }
adamc@292 2465
adamc@436 2466 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2467 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2468 struct tm stm;
adamc@436 2469
adamc@439 2470 if (dot) {
adamc@439 2471 *dot = 0;
adamc@439 2472 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2473 *dot = '.';
adamc@439 2474 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 2475 *r = mktime(&stm);
adamc@439 2476 return r;
adamc@439 2477 }
adamc@439 2478 else {
adamc@439 2479 *dot = '.';
adamc@439 2480 return NULL;
adamc@439 2481 }
adamc@436 2482 }
adamc@439 2483 else {
adamc@439 2484 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2485 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 2486 *r = mktime(&stm);
adamc@439 2487 return r;
adamc@439 2488 }
adamc@439 2489 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2490 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 2491 *r = mktime(&stm);
adamc@439 2492 return r;
adamc@439 2493 }
adamc@439 2494 else
adamc@439 2495 return NULL;
adamc@439 2496 }
adamc@436 2497 }
adamc@436 2498
adamc@311 2499 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 2500 char *endptr;
adamc@311 2501 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 2502
adamc@292 2503 if (*s != '\0' && *endptr == '\0')
adamc@292 2504 return n;
adamc@292 2505 else
adamc@311 2506 uw_error(ctx, FATAL, "Can't parse int: %s", s);
adamc@292 2507 }
adamc@293 2508
adamc@682 2509 #include <errno.h>
adamc@682 2510
adamc@678 2511 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 2512 unsigned long long n;
adamc@682 2513
adamc@682 2514 if (sscanf(s, "%llu", &n) < 1)
adamc@682 2515 uw_error(ctx, FATAL, "Can't parse channel: %s", s);
adamc@682 2516 else {
adamc@682 2517 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 2518 return ch;
adamc@682 2519 }
adamc@682 2520 }
adamc@682 2521
adamc@682 2522 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 2523 char *endptr;
adamc@682 2524 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 2525
adamc@678 2526 if (*s != '\0' && *endptr == '\0')
adamc@678 2527 return n;
adamc@678 2528 else
adamc@682 2529 uw_error(ctx, FATAL, "Can't parse client: %s", s);
adamc@678 2530 }
adamc@678 2531
adamc@311 2532 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 2533 char *endptr;
adamc@311 2534 uw_Basis_float n = strtod(s, &endptr);
adamc@293 2535
adamc@293 2536 if (*s != '\0' && *endptr == '\0')
adamc@293 2537 return n;
adamc@293 2538 else
adamc@311 2539 uw_error(ctx, FATAL, "Can't parse float: %s", s);
adamc@293 2540 }
adamc@293 2541
adamc@821 2542 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 2543 if (s[0] == 0)
adamc@821 2544 return 0;
adamc@821 2545 else if (s[1] != 0)
adamc@821 2546 uw_error(ctx, FATAL, "Can't parse char: %s", s);
adamc@821 2547 else
adamc@821 2548 return s[0];
adamc@821 2549 }
adamc@821 2550
adamc@311 2551 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 2552 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 2553 return uw_Basis_True;
adamc@296 2554 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 2555 return uw_Basis_False;
adamc@293 2556 else
adamc@311 2557 uw_error(ctx, FATAL, "Can't parse bool: %s", s);
adamc@293 2558 }
adamc@436 2559
adamc@436 2560 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 2561 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2562 struct tm stm = {};
adamc@436 2563
adamc@438 2564 if (dot) {
adamc@438 2565 *dot = 0;
adamc@438 2566 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 2567 *dot = '.';
adamc@438 2568 return mktime(&stm);
adamc@438 2569 }
adamc@438 2570 else {
adamc@438 2571 *dot = '.';
adamc@438 2572 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 2573 }
adamc@438 2574 }
adamc@438 2575 else {
adamc@439 2576 if (strptime(s, TIME_FMT_PG, &stm) == end)
adamc@439 2577 return mktime(&stm);
adamc@439 2578 else if (strptime(s, TIME_FMT, &stm) == end)
adamc@438 2579 return mktime(&stm);
adamc@438 2580 else
adamc@438 2581 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 2582 }
adamc@436 2583 }
adamc@457 2584
adamc@939 2585 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adamc@939 2586 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@939 2587 struct tm stm = {};
adamc@939 2588
adamc@939 2589 if (dot) {
adamc@939 2590 *dot = 0;
adamc@939 2591 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@939 2592 *dot = '.';
adamc@939 2593 return mktime(&stm);
adamc@939 2594 }
adamc@939 2595 else {
adamc@939 2596 *dot = '.';
adamc@939 2597 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@939 2598 }
adamc@939 2599 }
adamc@939 2600 else {
adamc@939 2601 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@939 2602 return mktime(&stm);
adamc@939 2603 } else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@939 2604 return mktime(&stm);
adamc@939 2605 } else
adamc@939 2606 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@939 2607 }
adamc@939 2608 }
adamc@939 2609
adamc@742 2610 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 2611 char *r = ctx->heap.front;
adamc@742 2612 uw_Basis_blob b = {len, r};
adamc@742 2613
adamc@742 2614 uw_check_heap(ctx, len);
adamc@742 2615
adamc@742 2616 while (*s) {
adamc@742 2617 if (s[0] == '\\') {
adamc@742 2618 if (s[1] == '\\') {
adamc@742 2619 *r++ = '\\';
adamc@742 2620 s += 2;
adamc@742 2621 } else if (isdigit(s[1]) && isdigit(s[2]) && isdigit(s[3])) {
adamc@742 2622 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adamc@742 2623 s += 4;
adamc@742 2624 }
adamc@742 2625 else {
adamc@742 2626 *r++ = '\\';
adamc@742 2627 ++s;
adamc@742 2628 }
adamc@742 2629 } else {
adamc@742 2630 *r++ = s[0];
adamc@742 2631 ++s;
adamc@742 2632 }
adamc@742 2633 }
adamc@742 2634
adamc@742 2635 b.size = r - ctx->heap.front;
adamc@742 2636 ctx->heap.front = r;
adamc@742 2637 return b;
adamc@742 2638 }
adamc@742 2639
adamc@1052 2640 #define THE_PAST "expires=Mon, 01-01-1970 00:00:00 GMT"
adamc@1052 2641
adamc@463 2642 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 2643 int len = strlen(c);
adamc@854 2644 char *p = ctx->outHeaders.start;
adamc@474 2645
adamc@474 2646 while (p = strstr(p, "\nSet-Cookie: ")) {
adamc@474 2647 char *p2;
adamc@474 2648 p += 13;
adamc@474 2649 p2 = strchr(p, '=');
adamc@474 2650
adamc@474 2651 if (p2) {
adamc@474 2652 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 2653
adamc@474 2654 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052 2655 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052 2656 return NULL;
adamc@1052 2657 else {
adamc@1052 2658 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052 2659 memcpy(ret, p2+1, sz);
adamc@1052 2660 ret[sz] = 0;
adamc@1052 2661 return ret;
adamc@1052 2662 }
adamc@474 2663 }
adamc@474 2664 }
adamc@474 2665 }
adamc@463 2666
adamc@854 2667 if (p = uw_Basis_requestHeader(ctx, "Cookie")) {
adamc@1051 2668 char *p2;
adamc@1051 2669
adamc@854 2670 while (1) {
adamc@1051 2671 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1051 2672 if (p2 = strchr(p, ';')) {
adamc@1051 2673 size_t n = p2 - (p + len);
adamc@1051 2674 char *r = uw_malloc(ctx, n);
adamc@1051 2675 memcpy(r, p + 1 + len, n-1);
adamc@1051 2676 r[n-1] = 0;
adamc@1051 2677 return r;
adamc@1051 2678 } else
adamc@1051 2679 return p + 1 + len;
adamc@1051 2680 } else if (p = strchr(p, ';'))
adamc@854 2681 p += 2;
adamc@463 2682 else
adamc@463 2683 return NULL;
adamc@463 2684 }
adamc@463 2685 }
adamc@792 2686
adamc@792 2687 return NULL;
adamc@457 2688 }
adamc@462 2689
adamc@1050 2690 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 2691 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 2692 uw_write_header(ctx, c);
adamc@462 2693 uw_write_header(ctx, "=");
adamc@462 2694 uw_write_header(ctx, v);
adamc@466 2695 uw_write_header(ctx, "; path=");
adamc@466 2696 uw_write_header(ctx, prefix);
adamc@1050 2697 if (expires) {
adamc@1050 2698 char formatted[30];
adamc@1050 2699 struct tm tm;
adamc@1050 2700
adamc@1050 2701 gmtime_r(expires, &tm);
adamc@1050 2702
adamc@1050 2703 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050 2704
adamc@1050 2705 uw_write_header(ctx, "; expires=");
adamc@1050 2706 uw_write_header(ctx, formatted);
adamc@1050 2707 }
adamc@1050 2708 if (secure)
adamc@1050 2709 uw_write_header(ctx, "; secure");
adamc@462 2710 uw_write_header(ctx, "\r\n");
adamc@462 2711
adamc@462 2712 return uw_unit_v;
adamc@462 2713 }
adamc@667 2714
adamc@1050 2715 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050 2716 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050 2717 uw_write_header(ctx, c);
adamc@1050 2718 uw_write_header(ctx, "=; path=");
adamc@1050 2719 uw_write_header(ctx, prefix);
adamc@1052 2720 uw_write_header(ctx, "; " THE_PAST "\r\n");
adamc@1050 2721
adamc@1050 2722 return uw_unit_v;
adamc@1050 2723 }
adamc@1050 2724
adamc@682 2725 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 2726 unsigned i;
adamc@682 2727 delta *d;
adamc@671 2728
adamc@682 2729 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 2730 if (ctx->deltas[i].client == client)
adamc@682 2731 return &ctx->deltas[i];
adamc@671 2732
adamc@682 2733 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@682 2734 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adamc@682 2735 buf_init(&ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 2736 }
adamc@671 2737
adamc@682 2738 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 2739 d->client = client;
adamc@682 2740 buf_reset(&d->msgs);
adamc@682 2741 return d;
adamc@671 2742 }
adamc@671 2743
adamc@668 2744 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 2745 if (ctx->client == NULL)
adamc@682 2746 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 2747
adamc@682 2748 return new_channel(ctx->client);
adamc@668 2749 }
adamc@668 2750
adamc@668 2751 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 2752 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 2753 size_t len;
adamc@682 2754 int preLen;
adamc@682 2755 char pre[INTS_MAX + 2];
adamc@668 2756
adamc@682 2757 len = strlen(msg);
adamc@682 2758
adamc@682 2759 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 2760
adamc@682 2761 buf_append(&d->msgs, pre, preLen);
adamc@682 2762 buf_append(&d->msgs, msg, len);
adamc@682 2763 buf_append(&d->msgs, "\n", 1);
adamc@671 2764
adamc@671 2765 return uw_unit_v;
adamc@668 2766 }
adamc@671 2767
adamc@671 2768 int uw_db_commit(uw_context);
adamc@671 2769 int uw_db_rollback(uw_context);
adamc@671 2770
adamc@671 2771 void uw_commit(uw_context ctx) {
adamc@682 2772 unsigned i;
adamc@671 2773
adamc@771 2774 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771 2775 if (ctx->transactionals[i].rollback != NULL)
adamc@771 2776 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@771 2777
adamc@771 2778 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771 2779 if (ctx->transactionals[i].rollback == NULL)
adamc@771 2780 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@771 2781
adamc@771 2782 if (uw_db_commit(ctx))
adamc@671 2783 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@682 2784
adamc@682 2785 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 2786 delta *d = &ctx->deltas[i];
adamc@682 2787 client *c = find_client(d->client);
adamc@682 2788
adamc@682 2789 assert (c != NULL && c->mode == USED);
adamc@682 2790
adamc@685 2791 client_send(c, &d->msgs);
adamc@682 2792 }
adamc@682 2793
adamc@682 2794 if (ctx->client)
adamc@685 2795 release_client(ctx->client);
adamc@771 2796
adamc@771 2797 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771 2798 ctx->transactionals[i].free(ctx->transactionals[i].data);
adamc@916 2799
adamc@916 2800 // Splice script data into appropriate part of page
adamc@1065 2801 if (ctx->returning_indirectly || ctx->script_header[0] == 0) {
adamc@995 2802 char *start = strstr(ctx->page.start, "<sc>");
adamc@995 2803 if (start) {
adamc@995 2804 memmove(start, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 4);
adamc@995 2805 ctx->page.front -= 4;
adamc@995 2806 }
adamc@995 2807 } else if (buf_used(&ctx->script) == 0) {
adamc@916 2808 size_t len = strlen(ctx->script_header);
adamc@916 2809 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 2810 if (start) {
adamc@916 2811 buf_check(&ctx->page, buf_used(&ctx->page) - 4 + len);
adamc@917 2812 start = strstr(ctx->page.start, "<sc>");
adamc@916 2813 memmove(start + len, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 2814 ctx->page.front += len - 4;
adamc@916 2815 memcpy(start, ctx->script_header, len);
adamc@916 2816 }
adamc@916 2817 } else {
adamc@916 2818 size_t lenH = strlen(ctx->script_header), len = buf_used(&ctx->script);
adamc@916 2819 size_t lenP = lenH + 40 + len;
adamc@916 2820 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 2821 if (start) {
adamc@916 2822 buf_check(&ctx->page, buf_used(&ctx->page) - 4 + lenP);
adamc@917 2823 start = strstr(ctx->page.start, "<sc>");
adamc@916 2824 memmove(start + lenP, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 2825 ctx->page.front += lenP - 4;
adamc@916 2826 memcpy(start, ctx->script_header, lenH);
adamc@916 2827 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adamc@916 2828 memcpy(start + lenH + 31, ctx->script.start, len);
adamc@916 2829 memcpy(start + lenH + 31 + len, "</script>", 9);
adamc@916 2830 }
adamc@916 2831 }
adamc@671 2832 }
adamc@671 2833
adamc@671 2834 int uw_rollback(uw_context ctx) {
adamc@771 2835 size_t i;
adamc@885 2836 cleanup *cl;
adamc@771 2837
adamc@682 2838 if (ctx->client)
adamc@685 2839 release_client(ctx->client);
adamc@671 2840
adamc@885 2841 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@885 2842 cl->func(cl->arg);
adamc@885 2843
adamc@885 2844 ctx->cleanup_front = ctx->cleanup;
adamc@885 2845
adamc@771 2846 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771 2847 if (ctx->transactionals[i].rollback != NULL)
adamc@771 2848 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@771 2849
adamc@771 2850 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771 2851 ctx->transactionals[i].free(ctx->transactionals[i].data);
adamc@771 2852
adamc@671 2853 return uw_db_rollback(ctx);
adamc@671 2854 }
adamc@683 2855
adamc@771 2856 void uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adamc@771 2857 uw_callback free) {
adamc@771 2858 if (commit == NULL)
adamc@771 2859 uw_error(ctx, FATAL, "uw_register_transactional: NULL commit callback");
adamc@771 2860
adamc@771 2861 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@771 2862 ctx->transactionals = realloc(ctx->transactionals, ctx->used_transactionals+1);
adamc@771 2863 ++ctx->n_transactionals;
adamc@771 2864 }
adamc@771 2865
adamc@771 2866 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 2867 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 2868 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 2869 ctx->transactionals[ctx->used_transactionals++].free = free;
adamc@771 2870 }
adamc@771 2871
adamc@683 2872
adamc@683 2873 // "Garbage collection"
adamc@683 2874
adamc@683 2875 void uw_expunger(uw_context ctx, uw_Basis_client cli);
adamc@683 2876
adamc@683 2877 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli) {
adamc@683 2878 int r = setjmp(ctx->jmp_buf);
adamc@683 2879
adamc@684 2880 if (r == 0) {
adamc@684 2881 if (uw_db_begin(ctx))
adamc@684 2882 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@683 2883 uw_expunger(ctx, cli);
adamc@684 2884 if (uw_db_commit(ctx))
adamc@684 2885 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@684 2886 }
adamc@683 2887
adamc@683 2888 return r;
adamc@683 2889 }
adamc@683 2890
adamc@683 2891 void uw_prune_clients(uw_context ctx) {
adamc@683 2892 client *c, *next, *prev = NULL;
adamc@683 2893 time_t cutoff;
adamc@683 2894
adamc@683 2895 cutoff = time(NULL) - uw_timeout;
adamc@683 2896
adamc@683 2897 pthread_mutex_lock(&clients_mutex);
adamc@683 2898
adamc@683 2899 for (c = clients_used; c; c = next) {
adamc@683 2900 next = c->next;
adamc@683 2901 pthread_mutex_lock(&c->lock);
adamc@685 2902 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 2903 failure_kind fk = UNLIMITED_RETRY;
adamc@683 2904 if (prev)
adamc@683 2905 prev->next = next;
adamc@683 2906 else
adamc@683 2907 clients_used = next;
adamc@684 2908 uw_reset(ctx);
adamc@683 2909 while (fk == UNLIMITED_RETRY) {
adamc@683 2910 fk = uw_expunge(ctx, c->id);
adamc@684 2911 if (fk == UNLIMITED_RETRY) {
adamc@684 2912 uw_db_rollback(ctx);
adamc@684 2913 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 2914 }
adamc@683 2915 }
adamc@684 2916 if (fk == SUCCESS)
adamc@684 2917 free_client(c);
adamc@684 2918 else {
adamc@684 2919 uw_db_rollback(ctx);
adamc@856 2920 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@684 2921 }
adamc@683 2922 }
adamc@683 2923 else
adamc@683 2924 prev = c;
adamc@683 2925 pthread_mutex_unlock(&c->lock);
adamc@683 2926 }
adamc@683 2927
adamc@683 2928 pthread_mutex_unlock(&clients_mutex);
adamc@683 2929 }
adamc@687 2930
adamc@687 2931 void uw_initializer(uw_context ctx);
adamc@687 2932
adamc@687 2933 failure_kind uw_initialize(uw_context ctx) {
adamc@687 2934 int r = setjmp(ctx->jmp_buf);
adamc@687 2935
adamc@687 2936 if (r == 0) {
adamc@687 2937 if (uw_db_begin(ctx))
adamc@687 2938 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@687 2939 uw_initializer(ctx);
adamc@687 2940 if (uw_db_commit(ctx))
adamc@687 2941 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 2942 }
adamc@687 2943
adamc@687 2944 return r;
adamc@687 2945 }
adamc@717 2946
adamc@770 2947 extern int uw_check_url(const char *);
adamc@770 2948 extern int uw_check_mime(const char *);
adamc@770 2949
adamc@1065 2950 static int url_bad(uw_Basis_string s) {
adamc@1065 2951 for (; *s; ++s)
adamc@1065 2952 if (!isgraph(*s))
adamc@1065 2953 return 1;
adamc@1065 2954
adamc@1065 2955 return 0;
adamc@1065 2956 }
adamc@1065 2957
adamc@717 2958 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065 2959 if (url_bad(s))
adamc@1065 2960 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 2961 if (uw_check_url(s))
adamc@770 2962 return s;
adamc@770 2963 else
adamc@770 2964 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 2965 }
adamc@734 2966
adamc@770 2967 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065 2968 if (url_bad(s))
adamc@1065 2969 return NULL;
adamc@770 2970 if (uw_check_url(s))
adamc@770 2971 return s;
adamc@770 2972 else
adamc@770 2973 return NULL;
adamc@770 2974 }
adamc@770 2975
adamc@770 2976 int mime_format(const char *s) {
adamc@770 2977 for (; *s; ++s)
adamc@770 2978 if (!isalnum(*s) && *s != '/' && *s != '-' && *s != '.')
adamc@770 2979 return 0;
adamc@770 2980
adamc@770 2981 return 1;
adamc@770 2982 }
adamc@770 2983
adamc@741 2984 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 2985 if (!mime_format(s))
adamc@770 2986 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 2987
adamc@770 2988 if (uw_check_mime(s))
adamc@770 2989 return s;
adamc@770 2990 else
adamc@770 2991 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 2992 }
adamc@770 2993
adamc@770 2994 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 2995 if (!mime_format(s))
adamc@770 2996 return NULL;
adamc@770 2997
adamc@770 2998 if (uw_check_mime(s))
adamc@770 2999 return s;
adamc@770 3000 else
adamc@770 3001 return NULL;
adamc@741 3002 }
adamc@741 3003
adamc@734 3004 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 3005 return s ? s : "";
adamc@734 3006 }
adamc@734 3007
adamc@734 3008 extern int uw_hash_blocksize;
adamc@734 3009
adamc@734 3010 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 3011 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 3012 int i;
adamc@734 3013
adamc@734 3014 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 3015 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 3016
adamc@734 3017 return r;
adamc@734 3018 }
adamc@734 3019
adamc@734 3020 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adamc@734 3021 return uw_cookie_sig(ctx);
adamc@734 3022 }
adamc@737 3023
adamc@737 3024 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 3025 return f.name;
adamc@737 3026 }
adamc@737 3027
adamc@740 3028 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 3029 return f.type;
adamc@740 3030 }
adamc@740 3031
adamc@745 3032 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 3033 return b.size;
adamc@745 3034 }
adamc@745 3035
adamc@737 3036 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 3037 return f.data;
adamc@737 3038 }
adamc@741 3039
adamc@741 3040 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 3041 cleanup *cl;
adamc@741 3042 int len;
adamc@741 3043
adamc@1065 3044 ctx->returning_indirectly = 1;
adamc@741 3045 buf_reset(&ctx->outHeaders);
adamc@741 3046 buf_reset(&ctx->page);
adamc@741 3047
adamc@856 3048 uw_write_header(ctx, on_success);
adamc@856 3049 uw_write_header(ctx, "Content-Type: ");
adamc@741 3050 uw_write_header(ctx, mimeType);
adamc@741 3051 uw_write_header(ctx, "\r\nContent-Length: ");
adamc@741 3052 buf_check(&ctx->outHeaders, INTS_MAX);
adamc@741 3053 sprintf(ctx->outHeaders.front, "%d%n", b.size, &len);
adamc@741 3054 ctx->outHeaders.front += len;
adamc@1066 3055 uw_write_header(ctx, "\r\n");
adamc@741 3056
adamc@741 3057 buf_append(&ctx->page, b.data, b.size);
adamc@741 3058
adamc@741 3059 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 3060 cl->func(cl->arg);
adamc@741 3061
adamc@741 3062 ctx->cleanup_front = ctx->cleanup;
adamc@741 3063
adamc@1065 3064 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065 3065 }
adamc@1065 3066
adamc@1065 3067 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065 3068 cleanup *cl;
adamc@1065 3069 int len;
adamc@1066 3070 char *s;
adamc@1065 3071
adamc@1065 3072 ctx->returning_indirectly = 1;
adamc@1066 3073 buf_reset(&ctx->page);
adamc@1066 3074 buf_check(&ctx->page, buf_used(&ctx->outHeaders)+1);
adamc@1066 3075 memcpy(ctx->page.start, ctx->outHeaders.start, buf_used(&ctx->outHeaders));
adamc@1066 3076 ctx->page.start[buf_used(&ctx->outHeaders)] = 0;
adamc@1065 3077 buf_reset(&ctx->outHeaders);
adamc@1065 3078
adamc@1065 3079 uw_write_header(ctx, on_redirect);
adamc@1066 3080
adamc@1066 3081 s = strchr(ctx->page.start, '\n');
adamc@1066 3082 if (s) {
adamc@1066 3083 char *s2;
adamc@1066 3084 for (++s; s2 = strchr(s, '\n'); s = s2+1) {
adamc@1066 3085 *s2 = 0;
adamc@1066 3086 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066 3087 uw_write_header(ctx, s);
adamc@1066 3088 uw_write_header(ctx, "\n");
adamc@1066 3089 }
adamc@1066 3090 }
adamc@1066 3091 }
adamc@1066 3092
adamc@1065 3093 uw_write_header(ctx, "Location: ");
adamc@1065 3094 uw_write_header(ctx, url);
adamc@1065 3095 uw_write_header(ctx, "\r\n\r\n");
adamc@1065 3096
adamc@1065 3097 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065 3098 cl->func(cl->arg);
adamc@1065 3099
adamc@1065 3100 ctx->cleanup_front = ctx->cleanup;
adamc@1065 3101
adamc@1065 3102 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741 3103 }
adamc@874 3104
adamc@874 3105 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adamc@874 3106 uw_Basis_string r = uw_malloc(ctx, strlen(s) + 1);
adamc@874 3107
adamc@874 3108 for (; *s; ++s) {
adamc@874 3109 if (s[0] == '\'') {
adamc@874 3110 *r++ = '\'';
adamc@874 3111 for (++s; *s; ++s) {
adamc@874 3112 if (s[0] == '\'') {
adamc@874 3113 *r++ = '\'';
adamc@874 3114 break;
adamc@874 3115 } else if (s[0] == '\\') {
adamc@874 3116 if (s[1] == '\\') {
adamc@874 3117 *r++ = '\\';
adamc@874 3118 *r++ = '\\';
adamc@874 3119 ++s;
adamc@874 3120 } else if (s[1] == '\'') {
adamc@874 3121 *r++ = '\\';
adamc@874 3122 *r++ = '\'';
adamc@874 3123 ++s;
adamc@874 3124 } else
adamc@874 3125 *r++ = '\'';
adamc@874 3126 } else
adamc@874 3127 *r++ = s[0];
adamc@874 3128 }
adamc@874 3129 if (*s == 0) break;
adamc@874 3130 } else if (s[0] == 'T' && s[1] == '.')
adamc@874 3131 ++s;
adamc@874 3132 else
adamc@874 3133 *r++ = s[0];
adamc@874 3134 }
adamc@874 3135
adamc@874 3136 return r;
adamc@874 3137 }
adamc@874 3138
adamc@922 3139 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922 3140 va_list ap;
adamc@922 3141 size_t len = 1;
adamc@922 3142 char *s, *r, *s2;
adamc@922 3143
adamc@922 3144 va_start(ap, ctx);
adamc@922 3145 for (s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3146 len += strlen(s);
adamc@922 3147 va_end(ap);
adamc@922 3148
adamc@922 3149 r = uw_malloc(ctx, len);
adamc@922 3150 va_start(ap, ctx);
adamc@922 3151 for (s2 = r, s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3152 while (*s)
adamc@922 3153 *s2++ = *s++;
adamc@922 3154 va_end(ap);
adamc@922 3155 *s2 = 0;
adamc@922 3156
adamc@922 3157 return r;
adamc@922 3158 }
adamc@1006 3159
adamc@1050 3160 const uw_Basis_time minTime = 0;
adamc@1050 3161
adamc@1006 3162 uw_Basis_time uw_Basis_now(uw_context ctx) {
adamc@1006 3163 return time(NULL);
adamc@1006 3164 }
adamc@1061 3165
adamc@1061 3166 void *uw_get_global(uw_context ctx, char *name) {
adamc@1061 3167 int i;
adamc@1061 3168
adamc@1061 3169 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3170 if (!strcmp(name, ctx->globals[i].name))
adamc@1061 3171 return ctx->globals[i].data;
adamc@1061 3172
adamc@1061 3173 return NULL;
adamc@1061 3174 }
adamc@1061 3175
adamc@1061 3176 void uw_set_global(uw_context ctx, char *name, void *data, void (*free)(void*)) {
adamc@1061 3177 int i;
adamc@1061 3178
adamc@1061 3179 if (data == NULL) uw_error(ctx, FATAL, "NULL data value for global '%s'", name);
adamc@1061 3180
adamc@1061 3181 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061 3182 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1061 3183 if (ctx->globals[i].data)
adamc@1061 3184 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061 3185 ctx->globals[i].data = data;
adamc@1061 3186 ctx->globals[i].free = free;
adamc@1061 3187 return;
adamc@1061 3188 }
adamc@1061 3189
adamc@1061 3190 ++ctx->n_globals;
adamc@1061 3191 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061 3192 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061 3193 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061 3194 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061 3195 }
adamc@1061 3196
adamc@1061 3197 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1063 3198 return !!isalnum(c);
adamc@1061 3199 }
adamc@1061 3200
adamc@1061 3201 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1063 3202 return !!isalpha(c);
adamc@1061 3203 }
adamc@1061 3204
adamc@1061 3205 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1063 3206 return !!isblank(c);
adamc@1061 3207 }
adamc@1061 3208
adamc@1061 3209 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1063 3210 return !!iscntrl(c);
adamc@1061 3211 }
adamc@1061 3212
adamc@1061 3213 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1063 3214 return !!isdigit(c);
adamc@1061 3215 }
adamc@1061 3216
adamc@1061 3217 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1063 3218 return !!isgraph(c);
adamc@1061 3219 }
adamc@1061 3220
adamc@1061 3221 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1063 3222 return !!islower(c);
adamc@1061 3223 }
adamc@1061 3224
adamc@1061 3225 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1063 3226 return !!isprint(c);
adamc@1061 3227 }
adamc@1061 3228
adamc@1061 3229 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1063 3230 return !!ispunct(c);
adamc@1061 3231 }
adamc@1061 3232
adamc@1061 3233 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1063 3234 return !!isspace(c);
adamc@1061 3235 }
adamc@1063 3236
adamc@1061 3237 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1063 3238 return !!isupper(c);
adamc@1061 3239 }
adamc@1061 3240
adamc@1061 3241 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1063 3242 return !!isxdigit(c);
adamc@1061 3243 }
adamc@1061 3244
adamc@1061 3245 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1061 3246 return tolower(c);
adamc@1061 3247 }
adamc@1061 3248
adamc@1061 3249 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1061 3250 return toupper(c);
adamc@1061 3251 }
adamc@1066 3252
adamc@1066 3253 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066 3254 return ctx->current_url;
adamc@1066 3255 }
adamc@1066 3256
adamc@1066 3257 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066 3258 ctx->current_url = s;
adamc@1066 3259 }