Ur/Web: src/c/urweb.c annotate

annotate src/c/urweb.c @ 2220:794017f378de

Merge.

author	Ziv Scully <ziv@mit.edu>
date	Mon, 24 Nov 2014 20:47:38 -0500
parents	98b87d905601 1839df6ed755
children	5709482a2afd

rev	line source
adamc@1268	1 #include "config.h"
adamc@1268	2
adamc@117	3 #include <stdlib.h>
adamc@102	4 #include <stdio.h>
adamc@117	5 #include <string.h>
adamc@457	6 #include <strings.h>
adamc@106	7 #include <ctype.h>
adamc@167	8 #include <setjmp.h>
adamc@167	9 #include <stdarg.h>
adamc@682	10 #include <assert.h>
adamc@741	11 #include <ctype.h>
adamc@1114	12 #include <limits.h>
adamc@1113	13 #include <stdint.h>
adamc@1094	14 #include <sys/types.h>
adamc@1094	15 #include <sys/socket.h>
adam@1397	16 #include <openssl/des.h>
adam@1486	17 #include <openssl/rand.h>
adam@1374	18 #include <time.h>
adam@1571	19 #include <math.h>
adamc@102	20
adamc@667	21 #include <pthread.h>
adamc@667	22
adamc@102	23 #include "types.h"
adamc@102	24
adam@1431	25 uw_unit uw_unit_v = 0;
adamc@102	26
adamc@667	27
adamc@667	28 // Socket extras
adamc@667	29
adamc@863	30 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667	31 while (len > 0) {
adamc@856	32 ssize_t n = send(sock, buf, len, 0);
adamc@856	33
adamc@856	34 if (n < 0)
adamc@856	35 return n;
adamc@856	36
adamc@856	37 buf += n;
adamc@856	38 len -= n;
adamc@856	39 }
adamc@856	40
adamc@856	41 return 0;
adamc@856	42 }
adamc@856	43
adamc@856	44 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856	45 while (len > 0) {
adamc@856	46 ssize_t n = write(fd, buf, len);
adamc@667	47
adamc@667	48 if (n < 0)
adamc@667	49 return n;
adamc@667	50
adamc@667	51 buf += n;
adamc@667	52 len -= n;
adamc@667	53 }
adamc@667	54
adamc@667	55 return 0;
adamc@667	56 }
adamc@667	57
adamc@667	58
adamc@667	59 // Buffers
adamc@667	60
adam@1369	61 void uw_buffer_init(size_t max, uw_buffer *b, size_t s) {
adamc@1113	62 b->max = max;
adamc@667	63 b->front = b->start = malloc(s);
adamc@667	64 b->back = b->front + s;
adamc@667	65 }
adamc@667	66
adam@1369	67 void uw_buffer_free(uw_buffer *b) {
adamc@667	68 free(b->start);
adamc@667	69 }
adamc@667	70
adam@1369	71 void uw_buffer_reset(uw_buffer *b) {
adamc@667	72 b->front = b->start;
adamc@667	73 }
adamc@667	74
adam@1369	75 int uw_buffer_check(uw_buffer *b, size_t extra) {
adamc@667	76 if (b->back - b->front < extra) {
adamc@667	77 size_t desired = b->front - b->start + extra, next;
adamc@667	78 char *new_heap;
adamc@667	79
adamc@667	80 next = b->back - b->start;
adamc@667	81 if (next == 0)
adamc@667	82 next = 1;
adamc@667	83 for (; next < desired; next *= 2);
adamc@667	84
adamc@1134	85 if (next > b->max) {
adamc@1113	86 if (desired <= b->max)
adamc@1113	87 next = desired;
adamc@1113	88 else
adamc@1113	89 return 1;
adamc@1134	90 }
adamc@1113	91
adamc@667	92 new_heap = realloc(b->start, next);
adamc@667	93 b->front = new_heap + (b->front - b->start);
adamc@667	94 b->back = new_heap + next;
adamc@667	95 b->start = new_heap;
adamc@667	96 }
adamc@1113	97
adamc@1113	98 return 0;
adamc@1113	99 }
adamc@1113	100
adamc@1113	101 __attribute__((noreturn)) void uw_error(uw_context, failure_kind, const char *, ...);
adamc@1113	102
adam@1369	103 static void ctx_uw_buffer_check(uw_context ctx, const char kind, uw_buffer b, size_t extra) {
adam@1369	104 if (uw_buffer_check(b, extra))
adamc@1113	105 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@667	106 }
adamc@667	107
adam@1369	108 size_t uw_buffer_used(uw_buffer *b) {
adamc@667	109 return b->front - b->start;
adamc@667	110 }
adamc@667	111
adam@1369	112 size_t uw_buffer_avail(uw_buffer *b) {
adamc@667	113 return b->back - b->start;
adamc@667	114 }
adamc@667	115
adam@1369	116 int uw_buffer_append(uw_buffer b, const char s, size_t len) {
adam@1369	117 if (uw_buffer_check(b, len+1))
adamc@1113	118 return 1;
adamc@1113	119
adamc@1113	120 memcpy(b->front, s, len);
adamc@1113	121 b->front += len;
adamc@1113	122 *b->front = 0;
adamc@1113	123
adamc@1113	124 return 0;
adamc@1113	125 }
adamc@1113	126
adam@1369	127 static void ctx_uw_buffer_append(uw_context ctx, const char kind, uw_buffer b, const char *s, size_t len) {
adam@1369	128 ctx_uw_buffer_check(ctx, kind, b, len+1);
adamc@1113	129
adamc@668	130 memcpy(b->front, s, len);
adamc@668	131 b->front += len;
adamc@672	132 *b->front = 0;
adamc@668	133 }
adamc@667	134
adamc@668	135
adamc@672	136 // Persistent state types
adamc@667	137
adamc@667	138 typedef enum { UNUSED, USED } usage;
adamc@667	139
adamc@667	140 typedef struct client {
adamc@682	141 unsigned id;
adamc@667	142 usage mode;
adamc@682	143 int pass;
adamc@682	144 struct client *next;
adamc@689	145 pthread_mutex_t lock, pull_lock;
adam@1369	146 uw_buffer msgs;
adamc@682	147 int sock;
adamc@863	148 int (send)(int sockfd, const void buf, ssize_t len);
adamc@863	149 int (*close)(int fd);
adamc@682	150 time_t last_contact;
adamc@682	151 unsigned n_channels;
adamc@685	152 unsigned refcount;
adamc@1121	153 void *data;
adamc@667	154 } client;
adamc@667	155
adamc@672	156
adamc@672	157 // Persistent client state
adamc@672	158
adamc@682	159 static client *clients, clients_free, *clients_used;
adamc@682	160 static unsigned n_clients;
adamc@667	161
adam@1707	162 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@1113	163 size_t uw_messages_max = SIZE_MAX;
adamc@1113	164 size_t uw_clients_max = SIZE_MAX;
adamc@1113	165
adamc@1121	166 void *uw_init_client_data();
adamc@1121	167 void uw_free_client_data(void *);
adamc@1121	168 void uw_copy_client_data(void dst, void src);
adamc@1121	169
adamc@682	170 static client *new_client() {
adamc@667	171 client *c;
adamc@667	172
adamc@667	173 pthread_mutex_lock(&clients_mutex);
adamc@667	174
adamc@667	175 if (clients_free) {
adamc@667	176 c = clients_free;
adamc@682	177 clients_free = clients_free->next;
adamc@667	178 }
adam@1672	179 else if (n_clients >= uw_clients_max) {
adam@1672	180 pthread_mutex_unlock(&clients_mutex);
adamc@1113	181 return NULL;
adam@1672	182 } else {
adamc@667	183 ++n_clients;
adamc@667	184 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667	185 c = malloc(sizeof(client));
adamc@667	186 c->id = n_clients-1;
adamc@682	187 pthread_mutex_init(&c->lock, NULL);
adamc@689	188 pthread_mutex_init(&c->pull_lock, NULL);
adam@1369	189 uw_buffer_init(uw_messages_max, &c->msgs, 0);
adamc@667	190 clients[n_clients-1] = c;
adamc@667	191 }
adamc@667	192
adamc@682	193 pthread_mutex_lock(&c->lock);
adamc@667	194 c->mode = USED;
adamc@682	195 c->pass = rand();
adamc@682	196 c->sock = -1;
adamc@682	197 c->last_contact = time(NULL);
adam@1369	198 uw_buffer_reset(&c->msgs);
adamc@682	199 c->n_channels = 0;
adamc@685	200 c->refcount = 0;
adamc@1121	201 c->data = uw_init_client_data();
adamc@682	202 pthread_mutex_unlock(&c->lock);
adamc@682	203
adamc@682	204 c->next = clients_used;
adamc@682	205 clients_used = c;
adamc@667	206
adamc@667	207 pthread_mutex_unlock(&clients_mutex);
adamc@667	208
adamc@667	209 return c;
adamc@667	210 }
adamc@667	211
adamc@685	212 static void use_client(client *c) {
adamc@685	213 pthread_mutex_lock(&c->lock);
adamc@685	214 ++c->refcount;
adamc@685	215 pthread_mutex_unlock(&c->lock);
adamc@689	216 pthread_mutex_lock(&c->pull_lock);
adamc@685	217 }
adamc@685	218
adamc@685	219 static void release_client(client *c) {
adamc@689	220 pthread_mutex_unlock(&c->pull_lock);
adamc@685	221 pthread_mutex_lock(&c->lock);
adamc@685	222 --c->refcount;
adamc@685	223 pthread_mutex_unlock(&c->lock);
adamc@685	224 }
adamc@685	225
adamc@856	226 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adam@1707	227 static pthread_t pruning_thread;
adam@1707	228 static int pruning_thread_initialized = 0;
adamc@667	229
adamc@682	230 static client *find_client(unsigned id) {
adamc@667	231 client *c;
adam@1708	232 int i_am_pruner = pruning_thread_initialized && pthread_equal(pruning_thread, pthread_self());
adam@1708	233
adam@1708	234 if (!i_am_pruner) pthread_mutex_lock(&clients_mutex);
adamc@667	235
adamc@667	236 if (id >= n_clients) {
adam@1708	237 if (!i_am_pruner) pthread_mutex_unlock(&clients_mutex);
adamc@668	238 return NULL;
adamc@667	239 }
adamc@667	240
adamc@667	241 c = clients[id];
adamc@667	242
adam@1708	243 if (!i_am_pruner) pthread_mutex_unlock(&clients_mutex);
adamc@668	244 return c;
adamc@668	245 }
adamc@668	246
adamc@856	247 static char *on_success = "HTTP/1.1 200 OK\r\n";
adam@1409	248 static char *on_redirect = "HTTP/1.1 303 See Other\r\n";
adamc@856	249
adamc@856	250 void uw_set_on_success(char *s) {
adamc@856	251 on_success = s;
adamc@856	252 }
adamc@856	253
adam@1552	254 static void chastise(int (send)(int sockfd, const void buf, ssize_t len), int sock) {
adam@1552	255 send(sock, on_success, strlen(on_success));
adam@1552	256 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1552	257 send(sock, "R", 1);
adam@1552	258 close(sock);
adam@1552	259 }
adam@1552	260
adamc@863	261 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863	262 int (send)(int sockfd, const void buf, ssize_t len),
adamc@864	263 int (*close)(int fd),
adamc@864	264 void *logger_data, uw_logger log_error) {
adamc@682	265 client *c = find_client(id);
adamc@668	266
adamc@668	267 if (c == NULL) {
adam@1552	268 chastise(send, sock);
adamc@864	269 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667	270 return;
adamc@667	271 }
adamc@667	272
adamc@682	273 pthread_mutex_lock(&c->lock);
adamc@671	274
adamc@682	275 if (c->mode != USED) {
adamc@682	276 pthread_mutex_unlock(&c->lock);
adam@1552	277 chastise(send, sock);
adamc@864	278 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667	279 return;
adamc@667	280 }
adamc@667	281
adamc@682	282 if (pass != c->pass) {
adamc@682	283 pthread_mutex_unlock(&c->lock);
adam@1552	284 chastise(send, sock);
adamc@864	285 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682	286 return;
adamc@667	287 }
adamc@667	288
adamc@682	289 if (c->sock != -1) {
adamc@863	290 c->close(c->sock);
adamc@682	291 c->sock = -1;
adamc@682	292 }
adamc@667	293
adamc@682	294 c->last_contact = time(NULL);
adamc@682	295
adam@1369	296 if (uw_buffer_used(&c->msgs) > 0) {
adamc@863	297 send(sock, on_success, strlen(on_success));
adamc@863	298 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1369	299 send(sock, c->msgs.start, uw_buffer_used(&c->msgs));
adam@1369	300 uw_buffer_reset(&c->msgs);
adamc@667	301 close(sock);
adamc@667	302 }
adamc@863	303 else {
adamc@682	304 c->sock = sock;
adamc@863	305 c->send = send;
adamc@863	306 c->close = close;
adamc@863	307 }
adamc@667	308
adamc@682	309 pthread_mutex_unlock(&c->lock);
adamc@667	310 }
adamc@667	311
adamc@682	312 static void free_client(client *c) {
adamc@682	313 c->mode = UNUSED;
adamc@682	314 c->pass = -1;
adamc@667	315
adamc@682	316 c->next = clients_free;
adamc@682	317 clients_free = c;
adamc@667	318 }
adamc@667	319
adamc@682	320 static uw_Basis_channel new_channel(client *c) {
adamc@682	321 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668	322 return ch;
adamc@668	323 }
adamc@668	324
adam@1447	325 static void client_send(client c, uw_buffer msg, const char *script, int script_len) {
adamc@685	326 pthread_mutex_lock(&c->lock);
adamc@671	327
adamc@682	328 if (c->sock != -1) {
adamc@863	329 c->send(c->sock, on_success, strlen(on_success));
adamc@863	330 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1447	331 if (script_len > 0) {
adam@1447	332 c->send(c->sock, "E\n", 2);
adam@1447	333 c->send(c->sock, script, script_len);
adam@1447	334 c->send(c->sock, "\n", 1);
adam@1447	335 }
adam@1369	336 c->send(c->sock, msg->start, uw_buffer_used(msg));
adamc@863	337 c->close(c->sock);
adamc@682	338 c->sock = -1;
adam@1665	339 } else if (uw_buffer_append(&c->msgs, msg->start, uw_buffer_used(msg)))
adamc@1113	340 fprintf(stderr, "Client message buffer size exceeded");
adamc@671	341
adamc@685	342 pthread_mutex_unlock(&c->lock);
adamc@668	343 }
adamc@668	344
adamc@668	345
adamc@668	346 // Global entry points
adamc@668	347
adamc@1164	348 extern void uw_global_custom();
adamc@1104	349 extern void uw_init_crypto();
adamc@1104	350
adamc@668	351 void uw_global_init() {
adamc@668	352 srand(time(NULL) ^ getpid());
adamc@668	353
adamc@668	354 clients = malloc(0);
adamc@1104	355
adamc@1164	356 uw_global_custom();
adamc@1104	357 uw_init_crypto();
adamc@1094	358 }
adamc@1094	359
adamc@1094	360 void uw_app_init(uw_app *app) {
adamc@1094	361 app->client_init();
adamc@668	362 }
adamc@668	363
adam@1332	364 int uw_time = 0, uw_time_max = 0, uw_min_heap = 0;
adamc@1114	365
adamc@668	366
adamc@667	367 // Single-request state
adamc@667	368
adamc@323	369 typedef struct regions {
adamc@323	370 struct regions *next;
adamc@323	371 } regions;
adamc@323	372
adamc@425	373 typedef struct {
adamc@425	374 void (func)(void);
adamc@425	375 void *arg;
adamc@425	376 } cleanup;
adamc@425	377
adamc@671	378 typedef struct {
adamc@682	379 unsigned client;
adam@1369	380 uw_buffer msgs;
adamc@682	381 } delta;
adamc@671	382
adamc@737	383 typedef enum {
adamc@759	384 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737	385 } input_kind;
adamc@737	386
adamc@756	387 typedef struct input {
adamc@737	388 input_kind kind;
adamc@737	389 union {
adamc@737	390 char *normal;
adamc@739	391 uw_Basis_file file;
adamc@756	392 struct {
adamc@759	393 struct input fields, parent;
adamc@756	394 } subform;
adamc@759	395 struct {
adamc@759	396 struct input entries, parent;
adamc@759	397 } subforms;
adamc@759	398 struct {
adamc@759	399 struct input fields, next, *parent;
adamc@759	400 } entry;
adamc@737	401 } data;
adamc@737	402 } input;
adamc@737	403
adamc@771	404 typedef struct {
adamc@771	405 void *data;
adam@1327	406 uw_callback commit, rollback;
adam@1327	407 uw_callback_with_retry free;
adamc@771	408 } transactional;
adamc@771	409
adamc@1061	410 typedef struct {
adamc@1061	411 char *name;
adamc@1061	412 void *data;
adamc@1061	413 void (free)(void);
adamc@1061	414 } global;
adamc@1061	415
adamc@311	416 struct uw_context {
adamc@1094	417 uw_app *app;
adam@1446	418 int id;
adamc@1094	419
adamc@854	420 char (get_header)(void , const char );
adamc@854	421 void *get_header_data;
adamc@457	422
adam@1799	423 char (get_env)(void , const char );
adam@1799	424 void *get_env_data;
adam@1799	425
adam@1369	426 uw_buffer outHeaders, page, heap, script;
adam@1451	427 int allowed_to_return_indirectly, returning_indirectly;
adamc@759	428 input inputs, subinputs, *cur_container;
adamc@1094	429 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167	430
adam@1446	431 unsigned long long source_count;
adamc@562	432
adamc@272	433 void *db;
adam@1931	434 int transaction_started;
adamc@272	435
adamc@167	436 jmp_buf jmp_buf;
adamc@167	437
adamc@323	438 regions *regions;
adamc@323	439
adamc@425	440 cleanup cleanup, cleanup_front, *cleanup_back;
adamc@425	441
adamc@1094	442 const char *script_header;
adamc@643	443
adam@2056	444 int needs_push, needs_sig, could_write_db, at_most_one_query;
adamc@693	445
adamc@682	446 size_t n_deltas, used_deltas;
adamc@682	447 delta *deltas;
adamc@671	448
adamc@682	449 client *client;
adamc@682	450
adamc@771	451 transactional *transactionals;
adamc@771	452 size_t n_transactionals, used_transactionals;
adamc@771	453
adamc@1061	454 global *globals;
adamc@1061	455 size_t n_globals;
adamc@1061	456
adamc@1066	457 char *current_url;
adamc@1066	458
adamc@1114	459 int deadline;
adamc@1114	460
adamc@1121	461 void *client_data;
adamc@1121	462
grrwlf@1997	463 uw_loggers *loggers;
adam@1334	464
adam@1386	465 int isPost, hasPostBody;
adam@1347	466 uw_Basis_postBody postBody;
adam@1370	467 uw_Basis_string queryString;
adam@1347	468
adam@1556	469 unsigned nextId;
adam@1556	470
adam@1782	471 int amInitializing;
adam@1782	472
adamc@167	473 char error_message[ERROR_BUF_LEN];
adam@1877	474
adam@1877	475 int usedSig, needsResig;
adam@1949	476
adam@1949	477 char *output_buffer;
adam@1949	478 size_t output_buffer_size;
adam@2073	479
ziv@2204	480 // For caching.
ziv@2204	481 char *recording;
ziv@2220	482
adam@2073	483 int remoteSock;
adamc@117	484 };
adamc@117	485
adamc@1113	486 size_t uw_headers_max = SIZE_MAX;
adamc@1113	487 size_t uw_page_max = SIZE_MAX;
adamc@1113	488 size_t uw_heap_max = SIZE_MAX;
adamc@1113	489 size_t uw_script_max = SIZE_MAX;
adamc@1113	490
grrwlf@1997	491 uw_context uw_init(int id, uw_loggers *lg) {
adamc@311	492 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136	493
adamc@1094	494 ctx->app = NULL;
adam@1446	495 ctx->id = id;
adamc@1094	496
adamc@854	497 ctx->get_header = NULL;
adamc@854	498 ctx->get_header_data = NULL;
adamc@457	499
adam@1799	500 ctx->get_env = NULL;
adam@1799	501 ctx->get_env_data = NULL;
adam@1799	502
adam@1413	503 uw_buffer_init(uw_headers_max, &ctx->outHeaders, 1);
adam@1413	504 ctx->outHeaders.start[0] = 0;
adam@1413	505 uw_buffer_init(uw_page_max, &ctx->page, 1);
adam@1413	506 ctx->page.start[0] = 0;
adam@1451	507 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369	508 uw_buffer_init(uw_heap_max, &ctx->heap, uw_min_heap);
adam@1369	509 uw_buffer_init(uw_script_max, &ctx->script, 1);
adamc@667	510 ctx->script.start[0] = 0;
adamc@136	511
adamc@1094	512 ctx->inputs = malloc(0);
adamc@759	513 ctx->cur_container = NULL;
adamc@756	514 ctx->subinputs = malloc(0);
adamc@1094	515 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144	516
adamc@272	517 ctx->db = NULL;
adam@1931	518 ctx->transaction_started = 0;
adamc@272	519
adamc@323	520 ctx->regions = NULL;
adamc@323	521
adamc@425	522 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425	523
adamc@643	524 ctx->script_header = "";
adamc@693	525 ctx->needs_push = 0;
adamc@736	526 ctx->needs_sig = 0;
adam@1936	527 ctx->could_write_db = 1;
adam@2056	528 ctx->at_most_one_query = 0;
adamc@1104	529
adamc@565	530 ctx->source_count = 0;
adamc@562	531
adamc@682	532 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671	533 ctx->deltas = malloc(0);
adamc@671	534
adamc@700	535 ctx->client = NULL;
adamc@700	536
adamc@700	537 ctx->error_message[0] = 0;
adamc@700	538
adamc@771	539 ctx->transactionals = malloc(0);
adamc@771	540 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771	541
adamc@1061	542 ctx->globals = malloc(0);
adamc@1061	543 ctx->n_globals = 0;
adamc@1061	544
adamc@1066	545 ctx->current_url = "";
adamc@1066	546
adamc@1114	547 ctx->deadline = INT_MAX;
adamc@1114	548
adamc@1121	549 ctx->client_data = uw_init_client_data();
adamc@1121	550
grrwlf@1997	551 ctx->loggers = lg;
adam@1334	552
adam@1386	553 ctx->isPost = ctx->hasPostBody = 0;
adam@1347	554
adam@1370	555 ctx->queryString = NULL;
adam@1370	556
adam@1556	557 ctx->nextId = 0;
adam@1556	558
adam@1782	559 ctx->amInitializing = 0;
adam@1782	560
adam@1877	561 ctx->usedSig = 0;
adam@1877	562 ctx->needsResig = 0;
adam@1877	563
adam@1949	564 ctx->output_buffer = malloc(1);
adam@1949	565 ctx->output_buffer_size = 1;
adam@1949	566
ziv@2204	567 ctx->recording = 0;
ziv@2204	568
adam@2073	569 ctx->remoteSock = -1;
adam@2073	570
adamc@117	571 return ctx;
adamc@106	572 }
adamc@106	573
adamc@1113	574 size_t uw_inputs_max = SIZE_MAX;
adamc@1113	575
adamc@1121	576 uw_app *uw_get_app(uw_context ctx) {
adamc@1121	577 return ctx->app;
adamc@1121	578 }
adamc@1121	579
adamc@1113	580 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094	581 ctx->app = app;
adamc@1094	582
adamc@1105	583 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113	584 if (app->inputs_len > uw_inputs_max)
adamc@1113	585 return 1;
adamc@1113	586
adamc@1094	587 ctx->sz_inputs = app->inputs_len;
adamc@1094	588 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094	589 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094	590 }
adamc@1134	591
adamc@1134	592 return 0;
adamc@1094	593 }
adamc@1094	594
adamc@1121	595 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121	596 uw_copy_client_data(ctx->client_data, data);
adamc@1121	597 }
adamc@1121	598
adamc@311	599 void uw_set_db(uw_context ctx, void *db) {
adamc@272	600 ctx->db = db;
adamc@272	601 }
adamc@272	602
adamc@311	603 void *uw_get_db(uw_context ctx) {
adamc@272	604 return ctx->db;
adamc@272	605 }
adamc@272	606
grrwlf@1997	607
grrwlf@1997	608 uw_loggers* uw_get_loggers(struct uw_context *ctx) {
grrwlf@1997	609 return ctx->loggers;
grrwlf@1997	610 }
grrwlf@1997	611
adamc@311	612 void uw_free(uw_context ctx) {
adamc@671	613 size_t i;
adamc@671	614
adam@1369	615 uw_buffer_free(&ctx->outHeaders);
adam@1369	616 uw_buffer_free(&ctx->script);
adam@1369	617 uw_buffer_free(&ctx->page);
adam@1369	618 uw_buffer_free(&ctx->heap);
adamc@144	619 free(ctx->inputs);
adamc@756	620 free(ctx->subinputs);
adamc@425	621 free(ctx->cleanup);
adamc@771	622 free(ctx->transactionals);
adamc@1121	623 uw_free_client_data(ctx->client_data);
adamc@671	624
adamc@682	625 for (i = 0; i < ctx->n_deltas; ++i)
adam@1369	626 uw_buffer_free(&ctx->deltas[i].msgs);
marco-oweber@1330	627 free(ctx->deltas);
adamc@671	628
adamc@1061	629 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089	630 if (ctx->globals[i].free)
adamc@1089	631 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330	632 free(ctx->globals);
adamc@1061	633
adam@1949	634 free(ctx->output_buffer);
adam@1949	635
adamc@136	636 free(ctx);
adamc@136	637 }
adamc@136	638
adamc@562	639 void uw_reset_keep_error_message(uw_context ctx) {
adam@1369	640 uw_buffer_reset(&ctx->outHeaders);
adam@1369	641 uw_buffer_reset(&ctx->script);
adamc@667	642 ctx->script.start[0] = 0;
adam@1369	643 uw_buffer_reset(&ctx->page);
adam@1451	644 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369	645 uw_buffer_reset(&ctx->heap);
adamc@323	646 ctx->regions = NULL;
adamc@425	647 ctx->cleanup_front = ctx->cleanup;
adamc@682	648 ctx->used_deltas = 0;
adamc@682	649 ctx->client = NULL;
adamc@759	650 ctx->cur_container = NULL;
adamc@771	651 ctx->used_transactionals = 0;
adamc@1117	652 ctx->script_header = "";
adam@1370	653 ctx->queryString = NULL;
adam@1556	654 ctx->nextId = 0;
adam@1782	655 ctx->amInitializing = 0;
adam@1877	656 ctx->usedSig = 0;
adam@1877	657 ctx->needsResig = 0;
adam@2073	658 ctx->remoteSock = -1;
adamc@167	659 }
adamc@167	660
adamc@562	661 void uw_reset_keep_request(uw_context ctx) {
adamc@562	662 uw_reset_keep_error_message(ctx);
adamc@562	663 ctx->error_message[0] = 0;
adamc@167	664 }
adamc@167	665
adamc@311	666 void uw_reset(uw_context ctx) {
adamc@311	667 uw_reset_keep_request(ctx);
adamc@1105	668 if (ctx->app)
adamc@1105	669 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756	670 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adam@1461	671 ctx->used_subinputs = ctx->hasPostBody = ctx->isPost = 0;
adam@1943	672 ctx->transaction_started = 0;
adamc@144	673 }
adamc@144	674
adamc@311	675 failure_kind uw_begin_init(uw_context ctx) {
adamc@272	676 int r = setjmp(ctx->jmp_buf);
adamc@272	677
adamc@1105	678 if (r == 0 && ctx->app)
adamc@1094	679 ctx->app->db_init(ctx);
adamc@272	680
adamc@272	681 return r;
adamc@272	682 }
adamc@272	683
adamc@1118	684 void uw_close(uw_context ctx) {
adamc@1118	685 ctx->app->db_close(ctx);
adamc@1118	686 }
adamc@1118	687
adam@1446	688 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adam@1446	689 return ctx->get_header(ctx->get_header_data, h);
adam@1446	690 }
adam@1446	691
adamc@854	692 void uw_set_headers(uw_context ctx, char (get_header)(void , const char ), void *get_header_data) {
adamc@854	693 ctx->get_header = get_header;
adamc@854	694 ctx->get_header_data = get_header_data;
adamc@742	695 }
adamc@742	696
adam@1799	697 void uw_set_env(uw_context ctx, char (get_env)(void , const char ), void *get_env_data) {
adam@1799	698 ctx->get_env = get_env;
adam@1799	699 ctx->get_env_data = get_env_data;
adam@1799	700 }
adam@1799	701
adamc@801	702 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801	703 va_list ap;
adamc@801	704 va_start(ap, fmt);
adamc@801	705
adamc@801	706 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801	707 }
adamc@801	708
adamc@1131	709 int uw_has_error(uw_context ctx) {
adamc@1131	710 return ctx->error_message[0] != 0;
adamc@1131	711 }
adamc@1131	712
adamc@311	713 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425	714 cleanup *cl;
adamc@425	715
adamc@167	716 va_list ap;
adamc@167	717 va_start(ap, fmt);
adamc@167	718
adamc@167	719 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167	720
adamc@425	721 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425	722 cl->func(cl->arg);
adamc@425	723
adamc@425	724 ctx->cleanup_front = ctx->cleanup;
adamc@425	725
adamc@190	726 longjmp(ctx->jmp_buf, fk);
adamc@167	727 }
adamc@167	728
adamc@1113	729 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113	730
adamc@425	731 void uw_push_cleanup(uw_context ctx, void (func)(void ), void *arg) {
adamc@425	732 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425	733 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425	734 if (len == 0)
adamc@425	735 newLen = 1;
adamc@425	736 else
adamc@428	737 newLen = len * 2;
adamc@1113	738
adamc@1134	739 if (newLen > uw_cleanup_max) {
adamc@1113	740 if (len+1 <= uw_cleanup_max)
adamc@1113	741 newLen = uw_cleanup_max;
adamc@1113	742 else
adamc@1113	743 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134	744 }
adamc@1113	745
adamc@470	746 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425	747 ctx->cleanup_front = ctx->cleanup + len;
adamc@425	748 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425	749 }
adamc@425	750
adamc@425	751 ctx->cleanup_front->func = func;
adamc@425	752 ctx->cleanup_front->arg = arg;
adamc@425	753 ++ctx->cleanup_front;
adamc@425	754 }
adamc@425	755
adam@1444	756 char uw_Basis_htmlifyString(uw_context, const char );
adam@1444	757
adamc@682	758 void uw_login(uw_context ctx) {
adam@1942	759 char id_s, pass_s;
adam@1942	760
adam@1942	761 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adam@1942	762 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adam@1942	763 unsigned id = atoi(id_s);
adam@1942	764 int pass = atoi(pass_s);
adam@1942	765 client *c = find_client(id);
adam@1942	766
adam@1942	767 if (c == NULL)
adam@1942	768 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", uw_Basis_htmlifyString(ctx, id_s), uw_Basis_htmlifyString(ctx, pass_s));
adam@1942	769 else {
adamc@685	770 use_client(c);
adamc@682	771 ctx->client = c;
adam@1942	772
adam@1942	773 if (c->mode != USED)
adam@1942	774 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adam@1942	775 if (c->pass != pass)
adam@1942	776 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@864	777 }
adam@1942	778 } else if (ctx->needs_push) {
adam@1942	779 client *c = new_client();
adam@1942	780
adam@1942	781 if (c == NULL)
adam@1942	782 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adam@1942	783
adam@1942	784 use_client(c);
adam@1942	785 uw_copy_client_data(c->data, ctx->client_data);
adam@1942	786 ctx->client = c;
adamc@682	787 }
adamc@682	788 }
adamc@682	789
adamc@671	790 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671	791 int r = setjmp(ctx->jmp_buf);
adamc@671	792
adam@1931	793 if (r == 0)
adam@1931	794 ctx->app->handle(ctx, path);
adam@1931	795
adam@1931	796 return r;
adam@1931	797 }
adam@1931	798
adam@1931	799 void uw_ensure_transaction(uw_context ctx) {
adam@2056	800 if (!ctx->transaction_started && !ctx->at_most_one_query) {
adam@1936	801 if (ctx->app->db_begin(ctx, ctx->could_write_db))
adamc@671	802 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1931	803 ctx->transaction_started = 1;
adamc@671	804 }
adamc@671	805 }
adamc@671	806
adamc@772	807 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682	808 if (ctx->client == NULL)
adamc@682	809 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682	810
adamc@682	811 return ctx->client->id;
adamc@682	812 }
adamc@682	813
adamc@425	814 void uw_pop_cleanup(uw_context ctx) {
adamc@425	815 if (ctx->cleanup_front == ctx->cleanup)
adamc@425	816 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425	817
adamc@425	818 --ctx->cleanup_front;
adamc@425	819 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425	820 }
adamc@425	821
adamc@311	822 char *uw_error_message(uw_context ctx) {
adamc@167	823 return ctx->error_message;
adamc@167	824 }
adamc@167	825
adamc@1115	826 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115	827 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115	828 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115	829 }
adamc@1115	830
adamc@759	831 static input *INP(uw_context ctx) {
adamc@759	832 if (ctx->cur_container == NULL)
adamc@759	833 return ctx->inputs;
adamc@759	834 else if (ctx->cur_container->kind == SUBFORM)
adamc@759	835 return ctx->cur_container->data.subform.fields;
adamc@759	836 else if (ctx->cur_container->kind == ENTRY)
adamc@759	837 return ctx->cur_container->data.entry.fields;
adamc@759	838 else
adamc@760	839 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759	840 }
adamc@759	841
adamc@760	842 static void adjust_pointer(input *ptr, input old_start, input *new_start, size_t len) {
adamc@760	843 if (ptr != NULL && ptr >= old_start && *ptr < old_start + len)
adamc@760	844 *ptr += new_start - old_start;
adamc@760	845 }
adamc@760	846
adamc@760	847 static void adjust_input(input x, input old_start, input *new_start, size_t len) {
adamc@759	848 switch (x->kind) {
adamc@759	849 case SUBFORM:
adamc@760	850 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760	851 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759	852 break;
adamc@759	853 case SUBFORMS:
adamc@760	854 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760	855 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759	856 break;
adamc@759	857 case ENTRY:
adamc@760	858 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760	859 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760	860 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134	861 break;
adamc@1134	862 default:
adamc@1134	863 break;
phurst@1981	864 }
adamc@759	865 }
adamc@759	866
adamc@1113	867 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113	868
adamc@759	869 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759	870 size_t i;
adamc@759	871 input *r;
adamc@759	872
adamc@759	873 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113	874 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113	875 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113	876
adamc@759	877 input new_subinputs = realloc(ctx->subinputs, sizeof(input) (ctx->used_subinputs + len));
adamc@759	878
adamc@760	879 if (ctx->subinputs != new_subinputs) {
adamc@760	880 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760	881 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094	882 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760	883 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760	884
adamc@760	885 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760	886
adamc@760	887 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760	888 ctx->subinputs = new_subinputs;
adamc@760	889 }
adamc@759	890 }
adamc@759	891
adamc@759	892 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759	893
adamc@759	894 for (i = 0; i < len; ++i)
adam@1474	895 ctx->subinputs[ctx->used_subinputs++].kind = UNSET;
adamc@759	896
adamc@759	897 return r;
adamc@759	898 }
adamc@756	899
adamc@801	900 int uw_set_input(uw_context ctx, const char name, char value) {
adamc@1050	901 //printf("Input name %s\n", name);
adamc@1038	902
adamc@756	903 if (!strcasecmp(name, ".b")) {
adamc@1094	904 int n = ctx->app->input_num(value);
adamc@756	905 input *inps;
adamc@756	906
adamc@801	907 if (n < 0) {
adam@1444	908 uw_set_error(ctx, "Bad subform name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801	909 return -1;
adamc@801	910 }
adamc@801	911
adamc@1094	912 if (n >= ctx->app->inputs_len) {
adam@1444	913 uw_set_error(ctx, "For subform name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801	914 return -1;
adamc@801	915 }
adamc@756	916
adamc@1094	917 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759	918
adamc@759	919 INP(ctx)[n].kind = SUBFORM;
adamc@759	920 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759	921 INP(ctx)[n].data.subform.fields = inps;
adamc@759	922 ctx->cur_container = &INP(ctx)[n];
adamc@756	923 } else if (!strcasecmp(name, ".e")) {
adamc@756	924 input *tmp;
adamc@756	925
adamc@801	926 if (ctx->cur_container == NULL) {
adamc@801	927 uw_set_error(ctx, "Unmatched subform closer");
adamc@801	928 return -1;
adamc@801	929 }
adamc@756	930
adamc@759	931 tmp = ctx->cur_container;
adamc@759	932 switch (tmp->kind) {
adamc@759	933 case SUBFORM:
adamc@759	934 ctx->cur_container = tmp->data.subform.parent;
adamc@759	935 tmp->data.subform.parent = NULL;
adamc@759	936 break;
adamc@759	937 case SUBFORMS:
adamc@759	938 ctx->cur_container = tmp->data.subforms.parent;
adamc@759	939 tmp->data.subforms.parent = NULL;
adamc@759	940 break;
adamc@759	941 case ENTRY:
adamc@759	942 ctx->cur_container = tmp->data.entry.parent;
adamc@759	943 break;
adamc@759	944 default:
adamc@801	945 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801	946 return -1;
adamc@759	947 }
adamc@759	948 } else if (!strcasecmp(name, ".s")) {
adamc@1094	949 int n = ctx->app->input_num(value);
adamc@759	950
adamc@801	951 if (n < 0) {
adam@1444	952 uw_set_error(ctx, "Bad subforms name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801	953 return -1;
adamc@801	954 }
adamc@801	955
adamc@1094	956 if (n >= ctx->app->inputs_len) {
adam@1444	957 uw_set_error(ctx, "For subforms name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801	958 return -1;
adamc@801	959 }
adamc@759	960
adamc@759	961 INP(ctx)[n].kind = SUBFORMS;
adamc@759	962 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759	963 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759	964 ctx->cur_container = &INP(ctx)[n];
adamc@759	965 } else if (!strcasecmp(name, ".i")) {
adamc@759	966 input *inps;
adamc@759	967
adamc@801	968 if (!ctx->cur_container) {
adamc@801	969 uw_set_error(ctx, "New entry without container");
adamc@801	970 return -1;
adamc@801	971 }
adamc@801	972
adamc@801	973 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801	974 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801	975 return -1;
adamc@801	976 }
adamc@759	977
adamc@1094	978 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759	979
adamc@759	980 inps->kind = ENTRY;
adamc@759	981 inps->data.entry.parent = ctx->cur_container;
adamc@759	982 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759	983 ctx->cur_container->data.subforms.entries = inps;
adamc@759	984
adamc@759	985 inps->data.entry.fields = inps+1;
adamc@759	986 ctx->cur_container = inps;
adamc@756	987 } else {
adamc@1094	988 int n = ctx->app->input_num(name);
adamc@756	989
adam@1384	990 if (n < 0)
adam@1384	991 return 0;
adamc@801	992
adamc@1094	993 if (n >= ctx->app->inputs_len) {
adam@1444	994 uw_set_error(ctx, "For input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801	995 return -1;
adamc@801	996 }
adamc@756	997
adamc@756	998 INP(ctx)[n].kind = NORMAL;
adamc@756	999 INP(ctx)[n].data.normal = value;
adamc@756	1000 }
adamc@801	1001
adamc@801	1002 return 0;
adamc@144	1003 }
adamc@144	1004
adamc@311	1005 char *uw_get_input(uw_context ctx, int n) {
adamc@169	1006 if (n < 0)
adamc@311	1007 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094	1008 if (n >= ctx->app->inputs_len)
adamc@311	1009 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737	1010
adamc@756	1011 switch (INP(ctx)[n].kind) {
adamc@737	1012 case UNSET:
adamc@737	1013 return NULL;
adamc@739	1014 case FIL:
adamc@739	1015 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756	1016 case SUBFORM:
adamc@756	1017 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759	1018 case SUBFORMS:
adamc@759	1019 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759	1020 case ENTRY:
adamc@759	1021 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737	1022 case NORMAL:
adamc@756	1023 return INP(ctx)[n].data.normal;
adamc@737	1024 default:
adamc@737	1025 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737	1026 }
adamc@138	1027 }
adamc@138	1028
adamc@311	1029 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190	1030 if (n < 0)
adamc@311	1031 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094	1032 if (n >= ctx->app->inputs_len)
adamc@311	1033 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737	1034
adamc@756	1035 switch (INP(ctx)[n].kind) {
adamc@737	1036 case UNSET:
adamc@737	1037 return "";
adamc@739	1038 case FIL:
adamc@739	1039 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756	1040 case SUBFORM:
adamc@756	1041 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759	1042 case SUBFORMS:
adamc@759	1043 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759	1044 case ENTRY:
adamc@759	1045 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737	1046 case NORMAL:
adamc@756	1047 return INP(ctx)[n].data.normal;
adamc@737	1048 default:
adamc@737	1049 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737	1050 }
adamc@737	1051 }
adamc@737	1052
adamc@801	1053 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094	1054 int n = ctx->app->input_num(name);
adamc@737	1055
adamc@801	1056 if (n < 0) {
adam@2054	1057 uw_set_error(ctx, "Bad file input name");
adamc@801	1058 return -1;
adamc@801	1059 }
adamc@801	1060
adamc@1094	1061 if (n >= ctx->app->inputs_len) {
adam@2054	1062 uw_set_error(ctx, "For file input name, index %d is out of range", n);
adamc@801	1063 return -1;
adamc@801	1064 }
adamc@737	1065
adamc@739	1066 ctx->inputs[n].kind = FIL;
adamc@739	1067 ctx->inputs[n].data.file = f;
adamc@801	1068
adamc@801	1069 return 0;
adamc@737	1070 }
adamc@737	1071
adamc@739	1072 void *uw_malloc(uw_context ctx, size_t len);
adamc@739	1073
adamc@739	1074 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737	1075 if (n < 0)
adamc@737	1076 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094	1077 if (n >= ctx->app->inputs_len)
adamc@737	1078 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737	1079
adamc@756	1080 switch (INP(ctx)[n].kind) {
adamc@737	1081 case UNSET:
adamc@737	1082 {
adamc@739	1083 char *data = uw_malloc(ctx, 0);
adamc@740	1084 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739	1085 return f;
adamc@737	1086 }
adamc@739	1087 case FIL:
adamc@756	1088 return INP(ctx)[n].data.file;
adamc@737	1089 case NORMAL:
adamc@737	1090 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756	1091 case SUBFORM:
adamc@756	1092 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759	1093 case SUBFORMS:
adamc@759	1094 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759	1095 case ENTRY:
adamc@759	1096 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737	1097 default:
adamc@737	1098 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737	1099 }
adamc@190	1100 }
adamc@190	1101
adamc@756	1102 void uw_enter_subform(uw_context ctx, int n) {
adamc@756	1103 if (n < 0)
adamc@756	1104 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094	1105 if (n >= ctx->app->inputs_len)
adamc@756	1106 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756	1107
adamc@756	1108 switch (INP(ctx)[n].kind) {
adamc@756	1109 case UNSET:
adamc@756	1110 uw_error(ctx, FATAL, "Missing subform");
adamc@756	1111 case FIL:
adamc@756	1112 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756	1113 case NORMAL:
adamc@756	1114 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759	1115 case SUBFORMS:
adamc@759	1116 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759	1117 case ENTRY:
adamc@759	1118 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756	1119 case SUBFORM:
adamc@759	1120 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760	1121 ctx->cur_container = &INP(ctx)[n];
adamc@756	1122 return;
adamc@756	1123 default:
adamc@756	1124 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756	1125 }
adamc@756	1126 }
adamc@756	1127
adamc@756	1128 void uw_leave_subform(uw_context ctx) {
adamc@756	1129 input *tmp;
adamc@756	1130
adamc@759	1131 if (ctx->cur_container == NULL)
adamc@756	1132 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756	1133
adamc@759	1134 tmp = ctx->cur_container;
adamc@759	1135 ctx->cur_container = tmp->data.subform.parent;
adamc@759	1136 tmp->data.subform.parent = NULL;
adamc@759	1137 }
adamc@759	1138
adamc@759	1139 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759	1140 input *inps;
adamc@759	1141
adamc@759	1142 if (n < 0)
adamc@759	1143 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094	1144 if (n >= ctx->app->inputs_len)
adamc@759	1145 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759	1146
adamc@759	1147 switch (INP(ctx)[n].kind) {
adamc@759	1148 case UNSET:
adamc@759	1149 uw_error(ctx, FATAL, "Missing subforms");
adamc@759	1150 case FIL:
adamc@759	1151 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759	1152 case NORMAL:
adamc@759	1153 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759	1154 case SUBFORM:
adamc@759	1155 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759	1156 case ENTRY:
adamc@759	1157 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759	1158 case SUBFORMS:
adamc@759	1159 inps = INP(ctx)[n].data.subforms.entries;
adamc@759	1160 if (inps) {
adamc@759	1161 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759	1162 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759	1163 return 1;
adamc@759	1164 } else
adamc@759	1165 return 0;
adamc@759	1166 default:
adamc@759	1167 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759	1168 }
adamc@759	1169 }
adamc@759	1170
adamc@759	1171 int uw_next_entry(uw_context ctx) {
adamc@759	1172 if (ctx->cur_container == NULL)
adamc@759	1173 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759	1174
adamc@759	1175 switch (ctx->cur_container->kind) {
adamc@759	1176 case UNSET:
adamc@759	1177 uw_error(ctx, FATAL, "Missing entry");
adamc@759	1178 case FIL:
adamc@759	1179 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759	1180 case NORMAL:
adamc@759	1181 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759	1182 case SUBFORM:
adamc@759	1183 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759	1184 case SUBFORMS:
adamc@759	1185 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759	1186 case ENTRY:
adamc@759	1187 if (ctx->cur_container->data.entry.next) {
adamc@759	1188 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759	1189 return 1;
adamc@759	1190 } else {
adamc@759	1191 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759	1192 return 0;
adamc@759	1193 }
adamc@759	1194 default:
adamc@759	1195 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759	1196 }
adamc@756	1197 }
adamc@756	1198
adamc@643	1199 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643	1200 ctx->script_header = s;
adamc@643	1201 }
adamc@643	1202
adamc@1094	1203 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094	1204 return ctx->app->url_prefix;
adamc@667	1205 }
adamc@667	1206
adamc@693	1207 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693	1208 ctx->needs_push = n;
adamc@693	1209 }
adamc@693	1210
adamc@736	1211 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736	1212 ctx->needs_sig = n;
adamc@736	1213 }
adamc@736	1214
adam@1936	1215 void uw_set_could_write_db(uw_context ctx, int n) {
adam@1936	1216 ctx->could_write_db = n;
adam@1936	1217 }
adam@1936	1218
adam@2056	1219 void uw_set_at_most_one_query(uw_context ctx, int n) {
adam@2056	1220 ctx->at_most_one_query = n;
adam@2056	1221 }
adam@2056	1222
adamc@667	1223
adam@1369	1224 static void uw_buffer_check_ctx(uw_context ctx, const char kind, uw_buffer b, size_t extra, const char *desc) {
adamc@666	1225 if (b->back - b->front < extra) {
adamc@666	1226 size_t desired = b->front - b->start + extra, next;
adamc@136	1227 char *new_heap;
adamc@136	1228
adamc@666	1229 next = b->back - b->start;
adamc@317	1230 if (next == 0)
adamc@317	1231 next = 1;
adamc@317	1232 for (; next < desired; next *= 2);
adamc@136	1233
adamc@1134	1234 if (next > b->max) {
adamc@1113	1235 if (desired <= b->max)
adamc@1113	1236 next = desired;
adamc@1113	1237 else
adamc@1113	1238 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134	1239 }
adamc@1113	1240
adamc@666	1241 new_heap = realloc(b->start, next);
adamc@666	1242 b->front = new_heap + (b->front - b->start);
adamc@666	1243 b->back = new_heap + next;
adamc@136	1244
adamc@667	1245 if (new_heap != b->start) {
adamc@666	1246 b->start = new_heap;
adam@1389	1247 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously; increasing size to %llu", desc, (unsigned long long)next);
adamc@136	1248 }
adamc@136	1249
adamc@666	1250 b->start = new_heap;
adamc@136	1251 }
adamc@136	1252 }
adamc@136	1253
adamc@832	1254 void uw_check_heap(uw_context ctx, size_t extra) {
adam@1369	1255 uw_buffer_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666	1256 }
adamc@666	1257
adamc@832	1258 char *uw_heap_front(uw_context ctx) {
adamc@832	1259 return ctx->heap.front;
adamc@832	1260 }
adamc@832	1261
adamc@832	1262 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832	1263 ctx->heap.front = fr;
adamc@832	1264 }
adamc@832	1265
adam@1782	1266 void uw_begin_initializing(uw_context ctx) {
adam@1782	1267 ctx->amInitializing = 1;
adam@1782	1268 }
adam@1782	1269
adam@1782	1270 void uw_end_initializing(uw_context ctx) {
adam@1782	1271 ctx->amInitializing = 0;
adam@1782	1272 }
adam@1782	1273
adam@2013	1274 static void align_heap(uw_context ctx) {
adam@2013	1275 size_t posn = ctx->heap.front - ctx->heap.start;
adam@2013	1276
adam@2017	1277 if (posn % sizeof(void *) != 0) {
adam@2017	1278 size_t bump = sizeof(void ) - posn % sizeof(void );
adam@2013	1279 uw_check_heap(ctx, bump);
adam@2013	1280 ctx->heap.front += bump;
adam@2013	1281 }
adam@2013	1282 }
adam@2013	1283
adamc@311	1284 void *uw_malloc(uw_context ctx, size_t len) {
adam@2013	1285 // On some architectures, it's important that all word-sized memory accesses
adam@2013	1286 // be to word-aligned addresses, so we'll do a little bit of extra work here
adam@2013	1287 // in anticipation of a possible word-aligned access to the address we'll
adam@2013	1288 // return.
adam@2013	1289
adamc@136	1290 void *result;
adamc@136	1291
adam@1782	1292 if (ctx->amInitializing) {
adam@2017	1293 int error = posix_memalign(&result, sizeof(void *), len);
adam@2013	1294
adam@2013	1295 if (!error)
adam@1782	1296 return result;
adam@1782	1297 else
adam@2013	1298 uw_error(ctx, FATAL, "uw_malloc: posix_memalign() returns %d", error);
adam@1782	1299 } else {
adam@2013	1300 align_heap(ctx);
adam@2013	1301
adam@1782	1302 uw_check_heap(ctx, len);
adam@1782	1303
adam@1782	1304 result = ctx->heap.front;
adam@1782	1305 ctx->heap.front += len;
adam@1782	1306 return result;
adam@1782	1307 }
adamc@117	1308 }
adamc@117	1309
adamc@323	1310 void uw_begin_region(uw_context ctx) {
adam@2013	1311 align_heap(ctx);
adam@2013	1312
adamc@666	1313 regions r = (regions ) ctx->heap.front;
adamc@323	1314
adamc@323	1315 uw_check_heap(ctx, sizeof(regions));
adamc@323	1316
adamc@666	1317 ctx->heap.front += sizeof(regions);
adamc@323	1318
adamc@323	1319 r->next = ctx->regions;
adamc@323	1320 ctx->regions = r;
adamc@323	1321 }
adamc@323	1322
adamc@323	1323 void uw_end_region(uw_context ctx) {
adamc@323	1324 regions *r = ctx->regions;
adamc@323	1325
adamc@323	1326 if (r == NULL)
adamc@323	1327 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323	1328
adamc@666	1329 ctx->heap.front = (char *) r;
adamc@323	1330 ctx->regions = r->next;
adamc@323	1331 }
adamc@323	1332
adamc@324	1333 void uw_memstats(uw_context ctx) {
adam@1369	1334 printf("Headers: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->outHeaders), (unsigned long)uw_buffer_avail(&ctx->outHeaders));
adam@1369	1335 printf("Script: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->script), (unsigned long)uw_buffer_avail(&ctx->script));
adam@1369	1336 printf("Page: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->page), (unsigned long)uw_buffer_avail(&ctx->page));
adam@1369	1337 printf("Heap: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->heap), (unsigned long)uw_buffer_avail(&ctx->heap));
adamc@324	1338 }
adamc@324	1339
adam@1915	1340 int uw_pagelen(uw_context ctx) {
adam@1915	1341 return ctx->page.front - ctx->page.start;
adam@1915	1342 }
adam@1915	1343
adamc@311	1344 int uw_send(uw_context ctx, int sock) {
adam@1949	1345 size_t target_length = (ctx->outHeaders.front - ctx->outHeaders.start) + 2 + (ctx->page.front - ctx->page.start);
adam@1949	1346
adam@1949	1347 if (ctx->output_buffer_size < target_length) {
adam@1949	1348 do {
adam@1949	1349 ctx->output_buffer_size *= 2;
adam@1949	1350 } while (ctx->output_buffer_size < target_length);
adam@1949	1351 ctx->output_buffer = realloc(ctx->output_buffer, ctx->output_buffer_size);
adam@1949	1352 }
adam@1949	1353
adam@1949	1354 memcpy(ctx->output_buffer, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adam@1949	1355 memcpy(ctx->output_buffer + (ctx->outHeaders.front - ctx->outHeaders.start), "\r\n", 2);
adam@1949	1356 memcpy(ctx->output_buffer + (ctx->outHeaders.front - ctx->outHeaders.start) + 2, ctx->page.start, ctx->page.front - ctx->page.start);
adam@1949	1357
adam@1949	1358 return uw_really_send(sock, ctx->output_buffer, target_length);
adamc@462	1359 }
adamc@462	1360
adamc@856	1361 int uw_print(uw_context ctx, int fd) {
adamc@856	1362 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856	1363
adamc@856	1364 if (n < 0)
adamc@856	1365 return n;
adamc@856	1366
adamc@856	1367 n = uw_really_write(fd, "\r\n", 2);
adamc@856	1368
adamc@856	1369 if (n < 0)
adamc@856	1370 return n;
adamc@856	1371
adamc@856	1372 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856	1373 }
adamc@856	1374
adamc@860	1375 int uw_output(uw_context ctx, int (output)(void data, char buf, size_t len), void data) {
adamc@860	1376 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860	1377
adamc@860	1378 if (n < 0)
adamc@860	1379 return n;
adamc@860	1380
adamc@860	1381 n = output(data, "\r\n", 2);
adamc@860	1382
adamc@860	1383 if (n < 0)
adamc@860	1384 return n;
adamc@860	1385
adamc@860	1386 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860	1387 }
adamc@860	1388
adamc@462	1389 static void uw_check_headers(uw_context ctx, size_t extra) {
adam@1369	1390 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462	1391 }
adamc@462	1392
adamc@462	1393 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462	1394 int len = strlen(s);
adamc@462	1395
adamc@462	1396 uw_check_headers(ctx, len + 1);
adamc@666	1397 strcpy(ctx->outHeaders.front, s);
adamc@666	1398 ctx->outHeaders.front += len;
adamc@562	1399 }
adamc@562	1400
adam@1934	1401 int uw_has_contentLength(uw_context ctx) {
adam@1934	1402 return strstr(ctx->outHeaders.start, "Content-length: ") != NULL;
adam@1934	1403 }
adam@1934	1404
adamc@1110	1405 void uw_clear_headers(uw_context ctx) {
adam@1369	1406 uw_buffer_reset(&ctx->outHeaders);
adamc@1110	1407 }
adamc@1110	1408
adam@1932	1409 void uw_Basis_clear_page(uw_context ctx) {
adam@1932	1410 uw_buffer_reset(&ctx->page);
adam@1932	1411 }
adam@1932	1412
adamc@562	1413 static void uw_check_script(uw_context ctx, size_t extra) {
adam@1369	1414 ctx_uw_buffer_check(ctx, "script", &ctx->script, extra);
adamc@562	1415 }
adamc@562	1416
adamc@562	1417 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562	1418 int len = strlen(s);
adamc@562	1419
adamc@562	1420 uw_check_script(ctx, len + 1);
adamc@666	1421 strcpy(ctx->script.front, s);
adamc@666	1422 ctx->script.front += len;
adamc@562	1423 }
adamc@562	1424
adam@1446	1425 const char *uw_get_real_script(uw_context ctx) {
adam@1671	1426 if (strstr(ctx->outHeaders.start, "Set-Cookie: ")) {
adam@1671	1427 uw_write_script(ctx, "sig=\"");
adam@1671	1428 uw_write_script(ctx, ctx->app->cookie_sig(ctx));
adam@1671	1429 uw_write_script(ctx, "\";");
adam@1671	1430 }
adam@1671	1431
adam@1446	1432 return ctx->script.start;
adam@1446	1433 }
adam@1446	1434
adamc@695	1435 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695	1436 if (s[0] == 0)
adamc@695	1437 return "";
adamc@695	1438 else {
adamc@695	1439 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695	1440 sprintf(r, " onload='%s'", s);
adamc@695	1441 return r;
adamc@695	1442 }
adamc@695	1443 }
adamc@695	1444
adamc@1042	1445 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042	1446 if (ctx->script_header[0] == 0)
adamc@1042	1447 return "";
adamc@1042	1448 else {
vshabanoff@1763	1449 char *r = uw_malloc(ctx, 37 + strlen(s));
vshabanoff@1763	1450 sprintf(r, " onunload='unloading=true;%s;unload()'", s);
adamc@1042	1451 return r;
adamc@1042	1452 }
adamc@1042	1453 }
adamc@1042	1454
adamc@694	1455 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736	1456 if (ctx->client == NULL) {
adamc@736	1457 if (ctx->needs_sig) {
adamc@1094	1458 char *sig = ctx->app->cookie_sig(ctx);
adamc@736	1459 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736	1460 sprintf(r, "sig=\"%s\";", sig);
adamc@736	1461 return r;
adamc@736	1462 }
adamc@736	1463 else
adamc@736	1464 return "";
adamc@736	1465 } else {
adamc@1094	1466 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094	1467 char r = uw_malloc(ctx, 59 + 3 INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736	1468 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adam@1552	1469 sprintf(r, "isPost=%s;client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adam@1552	1470 (ctx->isPost ? "true" : "false"),
adamc@682	1471 ctx->client->id,
adamc@682	1472 ctx->client->pass,
adamc@1094	1473 ctx->app->url_prefix,
adamc@1094	1474 ctx->app->timeout,
adamc@736	1475 ctx->needs_sig ? "sig=\"" : "",
adamc@736	1476 sig,
adamc@736	1477 ctx->needs_sig ? "\";" : "");
adamc@679	1478 return r;
adamc@668	1479 }
adamc@667	1480 }
adamc@667	1481
adamc@574	1482 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574	1483 char r, s2;
adamc@574	1484
adam@1446	1485 uw_check_heap(ctx, strlen(s) * 4 + 3);
adamc@574	1486
adamc@666	1487 r = s2 = ctx->heap.front;
adamc@574	1488 *s2++ = '"';
adamc@574	1489
adamc@574	1490 for (; *s; s++) {
adam@1286	1491 unsigned char c = *s;
adamc@574	1492
adamc@574	1493 switch (c) {
adamc@574	1494 case '"':
adamc@574	1495 strcpy(s2, "\\\"");
adamc@574	1496 s2 += 2;
adamc@574	1497 break;
adamc@1027	1498 case '\'':
adamc@1027	1499 strcpy(s2, "\\047");
adamc@1027	1500 s2 += 4;
adamc@1027	1501 break;
adamc@574	1502 case '\\':
adamc@574	1503 strcpy(s2, "\\\\");
adamc@574	1504 s2 += 2;
adamc@574	1505 break;
adam@1457	1506 case '<':
adam@1457	1507 strcpy(s2, "\\074");
adam@1457	1508 s2 += 4;
adam@1457	1509 break;
adamc@574	1510 default:
adam@1286	1511 if (isprint((int)c) \|\| c >= 128)
adamc@574	1512 *s2++ = c;
adamc@574	1513 else {
adam@1429	1514 sprintf(s2, "\\%03o", c);
adamc@574	1515 s2 += 4;
adamc@574	1516 }
adamc@574	1517 }
adamc@574	1518 }
adamc@574	1519
adamc@574	1520 strcpy(s2, "\"");
adamc@910	1521 ctx->heap.front = s2 + 2;
adamc@574	1522 return r;
adamc@574	1523 }
adamc@574	1524
adam@1286	1525 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286	1526 unsigned char c = c1;
adamc@1025	1527 char r, s2;
adamc@1025	1528
adam@1446	1529 uw_check_heap(ctx, 7);
adamc@1025	1530
adamc@1025	1531 r = s2 = ctx->heap.front;
adamc@1025	1532 *s2++ = '"';
adamc@1025	1533
adamc@1025	1534 switch (c) {
adamc@1025	1535 case '"':
adamc@1025	1536 strcpy(s2, "\\\"");
adamc@1025	1537 s2 += 2;
adamc@1025	1538 break;
adamc@1027	1539 case '\'':
adamc@1027	1540 strcpy(s2, "\\047");
adamc@1027	1541 s2 += 4;
adamc@1027	1542 break;
adamc@1025	1543 case '\\':
adamc@1025	1544 strcpy(s2, "\\\\");
adamc@1025	1545 s2 += 2;
adamc@1025	1546 break;
adam@1457	1547 case '<':
adam@1457	1548 strcpy(s2, "\\074");
adam@1457	1549 s2 += 4;
adam@1457	1550 break;
adamc@1025	1551 default:
adam@1286	1552 if (isprint((int)c) \|\| c >= 128)
adamc@1025	1553 *s2++ = c;
adamc@1025	1554 else {
adam@1429	1555 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1025	1556 s2 += 4;
adamc@1025	1557 }
adamc@1025	1558 }
adamc@1025	1559
adamc@1025	1560 strcpy(s2, "\"");
adamc@1025	1561 ctx->heap.front = s2 + 2;
adamc@1025	1562 return r;
adamc@1025	1563 }
adamc@1025	1564
adamc@574	1565 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574	1566 char r, s2;
adamc@574	1567
adam@1446	1568 uw_check_script(ctx, strlen(s) * 4 + 3);
adamc@574	1569
adamc@666	1570 r = s2 = ctx->script.front;
adamc@574	1571 *s2++ = '"';
adamc@574	1572
adamc@574	1573 for (; *s; s++) {
adam@1286	1574 unsigned char c = *s;
adamc@574	1575
adamc@574	1576 switch (c) {
adamc@577	1577 case '\'':
adamc@1027	1578 strcpy(s2, "\\");
adamc@574	1579 s2 += 2;
adamc@574	1580 break;
adamc@574	1581 case '\\':
adamc@574	1582 strcpy(s2, "\\\\");
adamc@574	1583 s2 += 2;
adamc@574	1584 break;
adam@1457	1585 case '<':
adam@1457	1586 strcpy(s2, "\\074");
adam@1457	1587 s2 += 4;
adam@1457	1588 break;
adamc@574	1589 default:
adam@1286	1590 if (isprint((int)c) \|\| c >= 128)
adamc@574	1591 *s2++ = c;
adamc@574	1592 else {
adam@1429	1593 sprintf(s2, "\\%03o", c);
adamc@574	1594 s2 += 4;
adamc@574	1595 }
adamc@574	1596 }
adamc@574	1597 }
adamc@574	1598
adamc@574	1599 strcpy(s2, "\"");
adamc@666	1600 ctx->script.front = s2 + 1;
adamc@574	1601 return r;
adamc@574	1602 }
adamc@574	1603
adamc@682	1604 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	1605 if (ctx->client == NULL \|\| chn.cli != ctx->client->id)
adamc@682	1606 return "null";
adamc@682	1607 else {
adamc@682	1608 int len;
adamc@682	1609 char *r;
adamc@682	1610
adamc@682	1611 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	1612 r = ctx->heap.front;
adamc@682	1613 sprintf(r, "%u%n", chn.chn, &len);
adamc@682	1614 ctx->heap.front += len+1;
adamc@682	1615 return r;
adamc@682	1616 }
adamc@682	1617 }
adamc@682	1618
adam@1446	1619 uw_Basis_source uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577	1620 int len;
adamc@577	1621 size_t s_len = strlen(s);
adamc@562	1622
grrwlf@1998	1623 if(ctx->id < 0)
grrwlf@1998	1624 uw_error(ctx, FATAL, "Attempt to create client source using inappropriate context");
grrwlf@1998	1625
adam@1446	1626 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446	1627 sprintf(ctx->script.front, "s%d_%llu=sc(exec(%n", ctx->id, ctx->source_count, &len);
adamc@666	1628 ctx->script.front += len;
adamc@666	1629 strcpy(ctx->script.front, s);
adamc@666	1630 ctx->script.front += s_len;
adamc@970	1631 strcpy(ctx->script.front, "));");
adamc@972	1632 ctx->script.front += 3;
adamc@562	1633
adam@1446	1634 uw_Basis_source r = {ctx->id, ctx->source_count++};
adam@1446	1635 return r;
adam@1446	1636 }
adam@1446	1637
adam@1446	1638 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_source src, uw_Basis_string s) {
adamc@577	1639 int len;
adamc@577	1640 size_t s_len = strlen(s);
adamc@577	1641
adam@1446	1642 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446	1643 sprintf(ctx->script.front, "sv(s%d_%llu,exec(%n", src.context, src.source, &len);
adamc@666	1644 ctx->script.front += len;
adamc@666	1645 strcpy(ctx->script.front, s);
adamc@666	1646 ctx->script.front += s_len;
adamc@970	1647 strcpy(ctx->script.front, "));");
adamc@972	1648 ctx->script.front += 3;
adamc@577	1649
adamc@577	1650 return uw_unit_v;
adamc@577	1651 }
adamc@577	1652
adamc@311	1653 static void uw_check(uw_context ctx, size_t extra) {
adam@1369	1654 ctx_uw_buffer_check(ctx, "page", &ctx->page, extra);
adamc@117	1655 }
adamc@117	1656
adamc@311	1657 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666	1658 *(ctx->page.front)++ = c;
adam@1413	1659 *ctx->page.front = 0;
adamc@117	1660 }
adamc@117	1661
adamc@311	1662 void uw_writec(uw_context ctx, char c) {
adam@1413	1663 uw_check(ctx, 2);
adamc@311	1664 uw_writec_unsafe(ctx, c);
adamc@117	1665 }
adamc@117	1666
adamc@311	1667 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117	1668 int len = strlen(s);
adamc@666	1669 memcpy(ctx->page.front, s, len);
adamc@666	1670 ctx->page.front += len;
adamc@117	1671 }
adamc@117	1672
adamc@311	1673 void uw_write(uw_context ctx, const char* s) {
adamc@311	1674 uw_check(ctx, strlen(s) + 1);
adamc@311	1675 uw_write_unsafe(ctx, s);
adamc@666	1676 *ctx->page.front = 0;
adamc@102	1677 }
adamc@106	1678
ziv@2204	1679 void uw_recordingStart(uw_context ctx) {
ziv@2204	1680 ctx->recording = ctx->page.front;
ziv@2204	1681 }
ziv@2204	1682
ziv@2204	1683 char *uw_recordingRead(uw_context ctx) {
ziv@2209	1684 return strdup(ctx->recording);
ziv@2204	1685 }
ziv@2204	1686
adamc@311	1687 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136	1688 char *result;
adamc@136	1689 int len;
adamc@311	1690 uw_check_heap(ctx, INTS_MAX);
adamc@666	1691 result = ctx->heap.front;
adamc@276	1692 sprintf(result, "%lld%n", n, &len);
adamc@666	1693 ctx->heap.front += len+1;
adamc@136	1694 return result;
adamc@106	1695 }
adamc@106	1696
adamc@311	1697 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136	1698 char *result;
adamc@136	1699 int len;
adamc@311	1700 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	1701 result = ctx->heap.front;
adam@1920	1702 sprintf(result, "%.16g%n", n, &len);
adamc@666	1703 ctx->heap.front += len+1;
adamc@136	1704 return result;
adamc@106	1705 }
adamc@106	1706
adamc@311	1707 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136	1708 int len = strlen(s);
adamc@136	1709 char result, p;
adamc@311	1710 uw_check_heap(ctx, len * 6 + 1);
adamc@136	1711
adamc@666	1712 result = p = ctx->heap.front;
adamc@136	1713
adamc@136	1714 for (; *s; s++) {
adamc@1054	1715 unsigned char c = *s;
adamc@136	1716
adamc@136	1717 if (c == '"') {
adamc@136	1718 strcpy(p, """);
adamc@136	1719 p += 6;
adamc@136	1720 } else if (c == '&') {
adamc@136	1721 strcpy(p, "&");
adamc@136	1722 p += 5;
adamc@136	1723 }
adamc@1059	1724 else
adamc@136	1725 *p++ = c;
adamc@136	1726 }
adamc@136	1727
adamc@137	1728 *p++ = 0;
adamc@666	1729 ctx->heap.front = p;
adamc@136	1730 return result;
adamc@106	1731 }
adamc@106	1732
adamc@1011	1733 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011	1734 char result, p;
adamc@1011	1735 uw_check_heap(ctx, 7);
adamc@1011	1736
adamc@1011	1737 result = p = ctx->heap.front;
adamc@1011	1738
adamc@1011	1739 if (c == '"') {
adamc@1011	1740 strcpy(p, """);
adamc@1011	1741 p += 6;
adamc@1011	1742 } else if (c == '&') {
adamc@1011	1743 strcpy(p, "&");
adamc@1011	1744 p += 5;
adamc@1011	1745 }
adamc@1059	1746 else
adamc@1011	1747 *p++ = c;
adamc@1011	1748
adamc@1011	1749 *p++ = 0;
adamc@1011	1750 ctx->heap.front = p;
adamc@1011	1751 return result;
adamc@1011	1752 }
adamc@1011	1753
adamc@721	1754 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721	1755 return s;
adamc@721	1756 }
adamc@721	1757
adamc@311	1758 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117	1759 int len;
adamc@117	1760
adamc@666	1761 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666	1762 ctx->page.front += len;
adamc@106	1763 }
adamc@106	1764
adamc@428	1765 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311	1766 uw_check(ctx, INTS_MAX);
adamc@311	1767 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428	1768
adamc@428	1769 return uw_unit_v;
adamc@106	1770 }
adamc@106	1771
adamc@428	1772 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117	1773 int len;
adamc@117	1774
adamc@311	1775 uw_check(ctx, FLOATS_MAX);
adamc@666	1776 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666	1777 ctx->page.front += len;
adamc@428	1778
adamc@428	1779 return uw_unit_v;
adamc@117	1780 }
adamc@117	1781
adamc@428	1782 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311	1783 uw_check(ctx, strlen(s) * 6);
adamc@117	1784
adamc@106	1785 for (; *s; s++) {
adamc@1054	1786 unsigned char c = *s;
adamc@106	1787
adamc@106	1788 if (c == '"')
adamc@311	1789 uw_write_unsafe(ctx, """);
adamc@136	1790 else if (c == '&')
adamc@311	1791 uw_write_unsafe(ctx, "&");
adamc@1059	1792 else
adamc@311	1793 uw_writec_unsafe(ctx, c);
adamc@106	1794 }
adamc@428	1795
adamc@428	1796 return uw_unit_v;
adamc@106	1797 }
adamc@120	1798
adamc@1011	1799 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011	1800 uw_check(ctx, 6);
adamc@1011	1801
adamc@1011	1802 if (c == '"')
adamc@1011	1803 uw_write_unsafe(ctx, """);
adamc@1011	1804 else if (c == '&')
adamc@1011	1805 uw_write_unsafe(ctx, "&");
adamc@1059	1806 else
adamc@1011	1807 uw_writec_unsafe(ctx, c);
adamc@1011	1808
adamc@1011	1809 return uw_unit_v;
adamc@1011	1810 }
adamc@1011	1811
adamc@120	1812
adamc@311	1813 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137	1814 int len;
adamc@137	1815 char *r;
adamc@137	1816
adamc@311	1817 uw_check_heap(ctx, INTS_MAX);
adamc@666	1818 r = ctx->heap.front;
adamc@276	1819 sprintf(r, "%lld%n", n, &len);
adamc@666	1820 ctx->heap.front += len+1;
adamc@137	1821 return r;
adamc@120	1822 }
adamc@120	1823
adamc@682	1824 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	1825 if (ctx->client == NULL \|\| chn.cli != ctx->client->id)
adamc@682	1826 return "";
adamc@682	1827 else {
adamc@682	1828 int len;
adamc@682	1829 char *r;
adamc@679	1830
adamc@682	1831 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	1832 r = ctx->heap.front;
adamc@682	1833 sprintf(r, "%u%n", chn.chn, &len);
adamc@682	1834 ctx->heap.front += len+1;
adamc@682	1835 return r;
adamc@682	1836 }
adamc@679	1837 }
adamc@679	1838
adamc@311	1839 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137	1840 int len;
adamc@137	1841 char *r;
adamc@137	1842
adamc@311	1843 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	1844 r = ctx->heap.front;
adamc@137	1845 sprintf(r, "%g%n", n, &len);
adamc@666	1846 ctx->heap.front += len+1;
adamc@137	1847 return r;
adamc@120	1848 }
adamc@120	1849
adamc@311	1850 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137	1851 char r, p;
adamc@137	1852
adamc@925	1853 if (s[0] == '\0')
adamc@925	1854 return "_";
adamc@925	1855
adamc@925	1856 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925	1857
adamc@925	1858 r = p = ctx->heap.front;
adamc@925	1859 if (s[0] == '_')
adamc@925	1860 *p++ = '_';
adamc@925	1861
adamc@925	1862 for (; *s; s++) {
adamc@1087	1863 unsigned char c = *s;
adamc@137	1864
adamc@137	1865 if (c == ' ')
adamc@137	1866 *p++ = '+';
adamc@137	1867 else if (isalnum(c))
adamc@137	1868 *p++ = c;
adamc@137	1869 else {
adamc@1259	1870 sprintf(p, ".%02X", c);
adamc@137	1871 p += 3;
adamc@137	1872 }
adamc@137	1873 }
adamc@137	1874
adamc@137	1875 *p++ = 0;
adamc@666	1876 ctx->heap.front = p;
adamc@137	1877 return r;
adamc@120	1878 }
adamc@120	1879
adamc@311	1880 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311	1881 if (b == uw_Basis_False)
adamc@186	1882 return "0";
adamc@186	1883 else
adamc@186	1884 return "1";
adamc@186	1885 }
adamc@186	1886
adam@1620	1887 char *uw_Basis_urlifySource(uw_context ctx, uw_Basis_source src) {
adam@1620	1888 char *r;
adam@1620	1889 int len;
adam@1620	1890 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1620	1891 r = ctx->heap.front;
adam@1620	1892 sprintf(r, "%d/%llu%n", src.context, src.source, &len);
adam@1620	1893 ctx->heap.front += len+1;
adam@1620	1894 return r;
adam@1620	1895 }
adam@1620	1896
adamc@311	1897 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120	1898 int len;
adamc@120	1899
adamc@666	1900 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666	1901 ctx->page.front += len;
adamc@120	1902 }
adamc@120	1903
adamc@428	1904 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311	1905 uw_check(ctx, INTS_MAX);
adamc@311	1906 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428	1907
adamc@428	1908 return uw_unit_v;
adamc@120	1909 }
adamc@120	1910
adamc@682	1911 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682	1912 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682	1913 int len;
phurst@1981	1914
adamc@682	1915 uw_check(ctx, INTS_MAX + 1);
adamc@682	1916 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682	1917 ctx->page.front += len;
adamc@682	1918 }
phurst@1981	1919
adamc@679	1920 return uw_unit_v;
adamc@679	1921 }
adamc@679	1922
adamc@428	1923 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120	1924 int len;
adamc@120	1925
adamc@311	1926 uw_check(ctx, FLOATS_MAX);
adamc@666	1927 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666	1928 ctx->page.front += len;
adamc@428	1929
adamc@428	1930 return uw_unit_v;
adamc@120	1931 }
adamc@120	1932
adamc@488	1933 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@1376	1934 return uw_Basis_urlifyInt(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adamc@488	1935 }
adamc@488	1936
adam@1404	1937 uw_unit uw_Basis_urlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1404	1938 return uw_Basis_urlifyInt_w(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adam@1404	1939 }
adam@1404	1940
adamc@428	1941 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925	1942 if (s[0] == '\0') {
adamc@925	1943 uw_check(ctx, 1);
adamc@925	1944 uw_writec_unsafe(ctx, '_');
adamc@925	1945 return uw_unit_v;
adamc@925	1946 }
adamc@925	1947
adamc@925	1948 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925	1949
adamc@925	1950 if (s[0] == '_')
adamc@925	1951 uw_writec_unsafe(ctx, '_');
adamc@120	1952
adamc@120	1953 for (; *s; s++) {
adamc@1087	1954 unsigned char c = *s;
adamc@120	1955
adamc@120	1956 if (c == ' ')
adamc@311	1957 uw_writec_unsafe(ctx, '+');
adamc@120	1958 else if (isalnum(c))
adamc@311	1959 uw_writec_unsafe(ctx, c);
adamc@120	1960 else {
adamc@1259	1961 sprintf(ctx->page.front, ".%02X", c);
adamc@666	1962 ctx->page.front += 3;
adamc@120	1963 }
adamc@120	1964 }
adamc@428	1965
adamc@428	1966 return uw_unit_v;
adamc@120	1967 }
adamc@120	1968
adamc@428	1969 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311	1970 if (b == uw_Basis_False)
adamc@311	1971 uw_writec(ctx, '0');
adamc@186	1972 else
adamc@311	1973 uw_writec(ctx, '1');
adamc@428	1974
adamc@428	1975 return uw_unit_v;
adamc@186	1976 }
adamc@186	1977
adam@1620	1978 uw_unit uw_Basis_urlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1620	1979 int len;
phurst@1981	1980
adam@1620	1981 uw_check(ctx, 2 * INTS_MAX + 2);
adam@1620	1982 sprintf(ctx->page.front, "%d/%llu%n", src.context, src.source, &len);
adam@1620	1983 ctx->page.front += len;
phurst@1981	1984
adam@1620	1985 return uw_unit_v;
adam@1620	1986 }
adam@1620	1987
adamc@120	1988
adamc@311	1989 static char uw_unurlify_advance(char s) {
adamc@144	1990 char *new_s = strchr(s, '/');
adamc@120	1991
adamc@120	1992 if (new_s)
adamc@120	1993 *new_s++ = 0;
adamc@120	1994 else
adamc@144	1995 new_s = strchr(s, 0);
adamc@144	1996
adamc@144	1997 return new_s;
adamc@144	1998 }
adamc@144	1999
adamc@311	2000 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311	2001 char new_s = uw_unurlify_advance(s);
adamc@311	2002 uw_Basis_int r;
adamc@120	2003
adamc@276	2004 r = atoll(*s);
adamc@120	2005 *s = new_s;
adamc@120	2006 return r;
adamc@120	2007 }
adamc@120	2008
adamc@311	2009 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311	2010 char new_s = uw_unurlify_advance(s);
adamc@311	2011 uw_Basis_float r;
adamc@120	2012
adamc@120	2013 r = atof(*s);
adamc@120	2014 *s = new_s;
adamc@120	2015 return r;
adamc@120	2016 }
adamc@120	2017
adamc@488	2018 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adam@1365	2019 uw_Basis_int n = uw_Basis_unurlifyInt(ctx, s);
adam@1365	2020 uw_Basis_time r = {n / 1000000, n % 1000000};
adam@1365	2021 return r;
adamc@488	2022 }
adamc@488	2023
adamc@1023	2024 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char r, char s) {
adamc@927	2025 char s1, s2 = s;
adamc@144	2026 int n;
adamc@136	2027
adamc@1023	2028 if (!fromClient) {
adamc@1023	2029 if (*s2 == '_')
adamc@1023	2030 ++s2;
adamc@1259	2031 else if ((s2[0] == '%' \|\| s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' \|\| s2[2] == 'F'))
adamc@1023	2032 s2 += 3;
adamc@1023	2033 }
adamc@925	2034
adamc@927	2035 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087	2036 unsigned char c = *s2;
adamc@136	2037
adamc@136	2038 switch (c) {
adamc@136	2039 case '+':
adamc@136	2040 *s1 = ' ';
adamc@136	2041 break;
adamc@136	2042 case '%':
adamc@169	2043 if (s2[1] == 0)
adamc@311	2044 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169	2045 if (s2[2] == 0)
adamc@311	2046 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169	2047 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444	2048 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@136	2049 *s1 = n;
adamc@136	2050 s2 += 2;
adamc@136	2051 break;
adamc@1259	2052 case '.':
adamc@1259	2053 if (!fromClient) {
adamc@1259	2054 if (s2[1] == 0)
adamc@1259	2055 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259	2056 if (s2[2] == 0)
adamc@1259	2057 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259	2058 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444	2059 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@1259	2060 *s1 = n;
adamc@1259	2061 s2 += 2;
adamc@1259	2062 break;
adamc@1259	2063 }
adamc@136	2064 default:
adamc@136	2065 *s1 = c;
adamc@136	2066 }
adamc@136	2067 }
adamc@136	2068 *s1++ = 0;
adamc@144	2069 return s1;
adamc@144	2070 }
adamc@144	2071
adamc@311	2072 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311	2073 char new_s = uw_unurlify_advance(s);
adamc@311	2074 uw_Basis_bool r;
phurst@1981	2075
adamc@186	2076 if (s[0] == 0 \|\| !strcmp(s, "0") \|\| !strcmp(*s, "off"))
adamc@311	2077 r = uw_Basis_False;
adamc@186	2078 else
adamc@311	2079 r = uw_Basis_True;
adamc@186	2080
adamc@186	2081 *s = new_s;
adamc@186	2082 return r;
adamc@186	2083 }
adamc@186	2084
adamc@311	2085 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311	2086 char new_s = uw_unurlify_advance(s);
adamc@1134	2087 char *r;
adamc@1134	2088 int len;
adamc@144	2089
adamc@200	2090 len = strlen(*s);
adamc@311	2091 uw_check_heap(ctx, len + 1);
adamc@144	2092
adamc@666	2093 r = ctx->heap.front;
adamc@1023	2094 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023	2095 *s = new_s;
adamc@1023	2096 return r;
adamc@1023	2097 }
adamc@1023	2098
adamc@1109	2099 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109	2100 s = uw_unurlify_advance(s);
adamc@1109	2101 return uw_unit_v;
adamc@1109	2102 }
adamc@1109	2103
adamc@1023	2104 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023	2105 char new_s = uw_unurlify_advance(s);
adamc@1134	2106 char *r;
adamc@1134	2107 int len;
adamc@1023	2108
adamc@1023	2109 len = strlen(*s);
adamc@1023	2110 uw_check_heap(ctx, len + 1);
adamc@1023	2111
adamc@1023	2112 r = ctx->heap.front;
adamc@1023	2113 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136	2114 *s = new_s;
adamc@136	2115 return r;
adamc@120	2116 }
adamc@135	2117
adamc@135	2118
adamc@311	2119 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286	2120 int len;
adamc@286	2121 char *r;
adamc@286	2122
adamc@311	2123 uw_check_heap(ctx, INTS_MAX);
adamc@666	2124 r = ctx->heap.front;
adamc@286	2125 sprintf(r, "%lld%n", n, &len);
adamc@666	2126 ctx->heap.front += len+1;
adamc@286	2127 return r;
adamc@286	2128 }
adamc@286	2129
adamc@428	2130 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286	2131 int len;
adamc@286	2132
adamc@311	2133 uw_check(ctx, INTS_MAX);
adamc@666	2134 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666	2135 ctx->page.front += len;
phurst@1981	2136
adamc@428	2137 return uw_unit_v;
adamc@286	2138 }
adamc@286	2139
adam@1358	2140 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358	2141 unsigned int n = ch;
adam@1358	2142 int len;
adam@1358	2143 char *r;
adam@1358	2144
adam@1358	2145 uw_check_heap(ctx, INTS_MAX+3);
adam@1358	2146 r = ctx->heap.front;
adam@1358	2147 sprintf(r, "&#%u;%n", n, &len);
adam@1358	2148 ctx->heap.front += len+1;
adam@1358	2149 return r;
adam@1358	2150 }
adam@1358	2151
adam@1358	2152 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358	2153 unsigned int n = ch;
adam@1358	2154 int len;
adam@1358	2155
adam@1358	2156 uw_check(ctx, INTS_MAX+3);
adam@1358	2157 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358	2158 ctx->page.front += len;
adam@1358	2159 return uw_unit_v;
adam@1358	2160 }
adam@1358	2161
adamc@311	2162 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286	2163 int len;
adamc@286	2164 char *r;
adamc@286	2165
adamc@311	2166 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	2167 r = ctx->heap.front;
adamc@286	2168 sprintf(r, "%g%n", n, &len);
adamc@666	2169 ctx->heap.front += len+1;
adamc@286	2170 return r;
adamc@286	2171 }
adamc@286	2172
adamc@428	2173 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286	2174 int len;
adamc@286	2175
adamc@311	2176 uw_check(ctx, FLOATS_MAX);
adamc@666	2177 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666	2178 ctx->page.front += len;
adamc@428	2179
adamc@428	2180 return uw_unit_v;
adamc@286	2181 }
adamc@286	2182
adam@1365	2183 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time t) {
adam@1360	2184 int len;
adam@1360	2185 char *r;
adam@1360	2186
adam@1360	2187 uw_check_heap(ctx, INTS_MAX);
adam@1360	2188 r = ctx->heap.front;
adamc@1377	2189 sprintf(r, "%lld%n", (uw_Basis_int)t.seconds * 1000000 + t.microseconds, &len);
adam@1360	2190 ctx->heap.front += len+1;
adam@1360	2191 return r;
adam@1360	2192 }
adam@1360	2193
adam@1365	2194 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_int n) {
adam@1360	2195 int len;
adam@1360	2196
adam@1360	2197 uw_check(ctx, INTS_MAX);
adam@1360	2198 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360	2199 ctx->page.front += len;
phurst@1981	2200
adam@1360	2201 return uw_unit_v;
adam@1360	2202 }
adam@1360	2203
adam@1444	2204 char uw_Basis_htmlifyString(uw_context ctx, const char s) {
adamc@137	2205 char r, s2;
adamc@137	2206
adamc@311	2207 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137	2208
adamc@666	2209 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054	2210 unsigned char c = *s;
adamc@137	2211
adamc@137	2212 switch (c) {
adamc@137	2213 case '<':
adamc@137	2214 strcpy(s2, "<");
adamc@137	2215 s2 += 4;
adamc@137	2216 break;
adamc@137	2217 case '&':
adamc@137	2218 strcpy(s2, "&");
adamc@137	2219 s2 += 5;
adamc@137	2220 break;
adamc@137	2221 default:
adamc@1059	2222 *s2++ = c;
adamc@137	2223 }
adamc@137	2224 }
adamc@137	2225
adamc@137	2226 *s2++ = 0;
adamc@666	2227 ctx->heap.front = s2;
adamc@137	2228 return r;
adamc@135	2229 }
adamc@135	2230
adamc@428	2231 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321	2232 uw_check(ctx, strlen(s) * 6);
adamc@135	2233
adamc@135	2234 for (; *s; s++) {
adamc@1054	2235 unsigned char c = *s;
adamc@135	2236
adamc@135	2237 switch (c) {
adamc@135	2238 case '<':
adamc@311	2239 uw_write_unsafe(ctx, "<");
adamc@135	2240 break;
adamc@135	2241 case '&':
adamc@311	2242 uw_write_unsafe(ctx, "&");
adamc@135	2243 break;
adamc@135	2244 default:
adamc@1059	2245 uw_writec_unsafe(ctx, c);
adamc@135	2246 }
adamc@135	2247 }
adamc@428	2248
adamc@428	2249 return uw_unit_v;
adamc@135	2250 }
adamc@180	2251
adamc@311	2252 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311	2253 if (b == uw_Basis_False)
adamc@286	2254 return "False";
adamc@286	2255 else
adamc@286	2256 return "True";
adamc@286	2257 }
adamc@286	2258
adamc@428	2259 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311	2260 if (b == uw_Basis_False) {
adamc@311	2261 uw_check(ctx, 6);
adamc@666	2262 strcpy(ctx->page.front, "False");
adamc@666	2263 ctx->page.front += 5;
adamc@286	2264 } else {
adamc@311	2265 uw_check(ctx, 5);
adamc@666	2266 strcpy(ctx->page.front, "True");
adamc@666	2267 ctx->page.front += 4;
adamc@286	2268 }
adamc@428	2269
adamc@428	2270 return uw_unit_v;
adamc@286	2271 }
adamc@286	2272
adamc@436	2273 #define TIME_FMT "%x %X"
adamc@438	2274 #define TIME_FMT_PG "%Y-%m-%d %T"
adam@1632	2275 #define TIME_FMT_JS "%Y/%m/%d %T"
adamc@436	2276
adam@1629	2277 uw_Basis_string uw_Basis_timeToString(uw_context, uw_Basis_time);
adam@1629	2278
adamc@436	2279 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adam@1629	2280 return uw_Basis_htmlifyString(ctx, uw_Basis_timeToString(ctx, t));
adamc@436	2281 }
adamc@436	2282
adamc@436	2283 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1629	2284 return uw_Basis_htmlifyString_w(ctx, uw_Basis_timeToString(ctx, t));
adamc@436	2285 }
adamc@436	2286
adam@1446	2287 char *uw_Basis_htmlifySource(uw_context ctx, uw_Basis_source src) {
adam@1446	2288 int len;
adam@1446	2289 char *r;
adam@1446	2290
adam@1446	2291 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1446	2292 r = ctx->heap.front;
adam@1446	2293 sprintf(r, "s%d_%llu%n", src.context, src.source, &len);
adam@1446	2294 ctx->heap.front += len+1;
adam@1446	2295 return r;
adam@1446	2296 }
adam@1446	2297
adam@1446	2298 uw_unit uw_Basis_htmlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1446	2299 int len;
adam@1446	2300
adam@1446	2301 uw_check(ctx, 2 * INTS_MAX + 1);
adam@1446	2302 sprintf(ctx->page.front, "s%d_%llu%n", src.context, src.source, &len);
adam@1446	2303 ctx->page.front += len;
phurst@1981	2304
adam@1446	2305 return uw_unit_v;
adam@1446	2306 }
adam@1446	2307
adamc@821	2308 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388	2309 while (n >= 0) {
adam@1388	2310 if (*s == 0)
adam@1388	2311 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adam@1388	2312
adam@1388	2313 if (n == 0)
adam@1388	2314 return *s;
adam@1388	2315
adam@1388	2316 --n;
adam@1388	2317 ++s;
adam@1388	2318 }
adam@1388	2319
adam@1388	2320 uw_error(ctx, FATAL, "Negative strsub bound");
adamc@821	2321 }
adamc@821	2322
adamc@821	2323 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388	2324 while (n >= 0) {
adam@1388	2325 if (*s == 0 \|\| n == 0)
adam@1388	2326 return s;
adam@1388	2327
adam@1388	2328 --n;
adam@1388	2329 ++s;
adam@1388	2330 }
adam@1388	2331
adam@1388	2332 uw_error(ctx, FATAL, "Negative strsuffix bound");
adamc@821	2333 }
adamc@821	2334
adamc@828	2335 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828	2336 return strlen(s);
adamc@828	2337 }
adamc@828	2338
adam@1388	2339 uw_Basis_bool uw_Basis_strlenGe(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388	2340 while (n > 0) {
adam@1388	2341 if (*s == 0)
adam@1388	2342 return uw_Basis_False;
adam@1388	2343
adam@1388	2344 --n;
adam@1388	2345 ++s;
adam@1388	2346 }
adam@1388	2347
adam@1388	2348 return uw_Basis_True;
adam@1388	2349 }
adam@1388	2350
adamc@829	2351 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829	2352 return strchr(s, ch);
adamc@829	2353 }
adamc@829	2354
adamc@831	2355 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831	2356 return strcspn(s, chs);
adamc@831	2357 }
adamc@831	2358
adamc@829	2359 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829	2360 uw_Basis_string r = strchr(s, ch);
adamc@829	2361 if (r == NULL)
adamc@829	2362 return NULL;
adamc@829	2363 else {
adamc@829	2364 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829	2365 *nr = r - s;
adamc@829	2366 return nr;
adamc@829	2367 }
adamc@829	2368 }
adamc@829	2369
adam@1390	2370 uw_Basis_int uw_Basis_strsindex(uw_context ctx, const char haystack, const char *needle) {
adam@1390	2371 uw_Basis_string r = strstr(haystack, needle);
adam@1390	2372 if (r == NULL)
adam@1390	2373 return NULL;
adam@1390	2374 else {
adam@1390	2375 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adam@1390	2376 *nr = r - haystack;
adam@1390	2377 return nr;
adam@1390	2378 }
adam@1390	2379 }
adam@1390	2380
adamc@311	2381 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828	2382 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180	2383 char *s;
adamc@180	2384
adamc@311	2385 uw_check_heap(ctx, len);
adamc@180	2386
adamc@666	2387 s = ctx->heap.front;
adamc@180	2388
adamc@180	2389 strcpy(s, s1);
adamc@180	2390 strcat(s, s2);
adamc@666	2391 ctx->heap.front += len;
adamc@180	2392
adamc@180	2393 return s;
adamc@180	2394 }
adamc@278	2395
adamc@829	2396 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829	2397 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829	2398
adamc@829	2399 if (start < 0)
adamc@829	2400 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829	2401 if (len < 0)
adamc@829	2402 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829	2403 if (start + len > full_len)
adamc@829	2404 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829	2405
adamc@829	2406 if (start + len == full_len)
adamc@829	2407 return &s[start];
adamc@829	2408 else {
adamc@829	2409 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959	2410 memcpy(r, s+start, len);
adamc@829	2411 r[len] = 0;
adamc@829	2412 return r;
adamc@829	2413 }
phurst@1981	2414
adamc@829	2415 }
adamc@829	2416
adamc@1023	2417 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023	2418 char *r;
adamc@1023	2419
adamc@1023	2420 uw_check_heap(ctx, 2);
adamc@1023	2421 r = ctx->heap.front;
adamc@1023	2422 r[0] = ch;
adamc@1023	2423 r[1] = 0;
adamc@1023	2424
adamc@1023	2425 ctx->heap.front += 2;
adamc@1023	2426
adamc@1023	2427 return r;
adamc@1023	2428 }
adamc@1023	2429
adamc@737	2430 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828	2431 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278	2432 char *s;
adamc@278	2433
adamc@311	2434 uw_check_heap(ctx, len);
adamc@278	2435
adamc@666	2436 s = ctx->heap.front;
adamc@278	2437
adamc@278	2438 strcpy(s, s1);
adamc@666	2439 ctx->heap.front += len;
adamc@278	2440
adamc@278	2441 return s;
adamc@278	2442 }
adamc@280	2443
adam@1295	2444 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295	2445 if (ctx->error_message[0]) {
adam@1295	2446 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295	2447 ctx->error_message[0] = 0;
adam@1295	2448 return s;
adam@1295	2449 } else
adam@1295	2450 return NULL;
adam@1295	2451 }
adam@1295	2452
adamc@737	2453 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493	2454 if (s1)
adamc@737	2455 return uw_strdup(ctx, s1);
adamc@493	2456 else
adamc@493	2457 return NULL;
adamc@493	2458 }
adamc@493	2459
adamc@742	2460 char uw_memdup(uw_context ctx, const char p, size_t len) {
adamc@742	2461 char *r = uw_malloc(ctx, len);
adamc@742	2462 memcpy(r, p, len);
adamc@742	2463 return r;
adamc@742	2464 }
adamc@280	2465
adamc@879	2466 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879	2467
adamc@311	2468 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281	2469 int len;
adamc@281	2470 char *r;
adamc@281	2471
adamc@311	2472 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666	2473 r = ctx->heap.front;
adamc@879	2474 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666	2475 ctx->heap.front += len+1;
adamc@281	2476 return r;
adamc@281	2477 }
adamc@281	2478
adamc@467	2479 char uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int n) {
adamc@467	2480 if (n == NULL)
adamc@467	2481 return "NULL";
adamc@467	2482 else
adamc@467	2483 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467	2484 }
adamc@467	2485
adam@1920	2486 char *uw_sqlfmtFloat = "%.16g::float8%n";
adamc@879	2487
adamc@311	2488 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281	2489 int len;
adamc@281	2490 char *r;
adamc@281	2491
adamc@311	2492 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666	2493 r = ctx->heap.front;
adamc@879	2494 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666	2495 ctx->heap.front += len+1;
adamc@281	2496 return r;
adamc@281	2497 }
adamc@281	2498
adamc@467	2499 char uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float n) {
adamc@467	2500 if (n == NULL)
adamc@467	2501 return "NULL";
adamc@467	2502 else
adamc@467	2503 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467	2504 }
adamc@467	2505
adam@1834	2506 int uw_Estrings = 1, uw_sql_type_annotations = 1;
adamc@879	2507 char *uw_sqlsuffixString = "::text";
adamc@1011	2508 char *uw_sqlsuffixChar = "::char";
adamc@281	2509
adamc@311	2510 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280	2511 char r, s2;
adamc@280	2512
adamc@879	2513 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280	2514
adamc@666	2515 r = s2 = ctx->heap.front;
adamc@879	2516 if (uw_Estrings)
adamc@879	2517 *s2++ = 'E';
adamc@280	2518 *s2++ = '\'';
adamc@280	2519
adamc@280	2520 for (; *s; s++) {
adamc@280	2521 char c = *s;
adamc@280	2522
adamc@280	2523 switch (c) {
adamc@280	2524 case '\'':
adamc@885	2525 if (uw_Estrings)
adamc@885	2526 strcpy(s2, "\\'");
adamc@885	2527 else
adamc@885	2528 strcpy(s2, "''");
adamc@280	2529 s2 += 2;
adamc@280	2530 break;
adamc@280	2531 case '\\':
adamc@885	2532 if (uw_Estrings) {
adamc@885	2533 strcpy(s2, "\\\\");
adamc@885	2534 s2 += 2;
adamc@885	2535 } else
adamc@885	2536 *s2++ = '\\';
adamc@280	2537 break;
adamc@280	2538 default:
adamc@1150	2539 if (isprint((int)c))
adamc@280	2540 *s2++ = c;
adamc@879	2541 else if (uw_Estrings) {
adam@1857	2542 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@280	2543 s2 += 4;
adamc@280	2544 }
adamc@879	2545 else
adam@1689	2546 *s2++ = c; // I hope this is safe to do... don't know how to support UTF-8 outside Postgres otherwise!
adamc@280	2547 }
adamc@280	2548 }
adamc@280	2549
adamc@879	2550 *s2++ = '\'';
adamc@879	2551 strcpy(s2, uw_sqlsuffixString);
adamc@879	2552 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280	2553 return r;
adamc@280	2554 }
adamc@281	2555
adamc@1011	2556 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011	2557 char r, s2;
adamc@1011	2558
adamc@1011	2559 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011	2560
adamc@1011	2561 r = s2 = ctx->heap.front;
adamc@1011	2562 if (uw_Estrings)
adamc@1011	2563 *s2++ = 'E';
adamc@1011	2564 *s2++ = '\'';
adamc@1011	2565
adamc@1011	2566 switch (c) {
adamc@1011	2567 case '\'':
adamc@1011	2568 if (uw_Estrings)
adamc@1011	2569 strcpy(s2, "\\'");
adamc@1011	2570 else
adamc@1011	2571 strcpy(s2, "''");
adamc@1011	2572 s2 += 2;
adamc@1011	2573 break;
adamc@1011	2574 case '\\':
adamc@1011	2575 if (uw_Estrings) {
adamc@1011	2576 strcpy(s2, "\\\\");
adamc@1011	2577 s2 += 2;
adamc@1011	2578 } else
adamc@1011	2579 *s2++ = '\\';
adamc@1011	2580 break;
adamc@1011	2581 default:
adamc@1150	2582 if (isprint((int)c))
adamc@1011	2583 *s2++ = c;
adamc@1011	2584 else if (uw_Estrings) {
adam@1857	2585 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1011	2586 s2 += 4;
adamc@1011	2587 }
adamc@1011	2588 else
adamc@1011	2589 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011	2590 }
adamc@1011	2591
adamc@1011	2592 *s2++ = '\'';
adamc@1011	2593 strcpy(s2, uw_sqlsuffixChar);
adamc@1011	2594 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011	2595 return r;
adamc@1011	2596 }
adamc@1011	2597
adamc@879	2598 char *uw_sqlsuffixBlob = "::bytea";
adamc@879	2599
adam@1867	2600 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737	2601 char r, s2;
adamc@737	2602 size_t i;
adamc@737	2603
adam@1867	2604 uw_check_heap(ctx, b.size * 5 + 4 + strlen(uw_sqlsuffixBlob));
adamc@737	2605
adamc@737	2606 r = s2 = ctx->heap.front;
adamc@879	2607 if (uw_Estrings)
adamc@879	2608 *s2++ = 'E';
adam@1867	2609 else
adam@1867	2610 *s2++ = 'X';
adamc@737	2611 *s2++ = '\'';
adamc@737	2612
adamc@737	2613 for (i = 0; i < b.size; ++i) {
adam@1867	2614 unsigned char c = b.data[i];
adam@1867	2615
adam@1867	2616 if (uw_Estrings) {
adam@1867	2617 switch (c) {
adam@1867	2618 case '\'':
adamc@885	2619 strcpy(s2, "\\'");
adam@1867	2620 s2 += 2;
adam@1867	2621 break;
adam@1867	2622 case '\\':
adamc@885	2623 strcpy(s2, "\\\\\\\\");
adamc@885	2624 s2 += 4;
adam@1867	2625 break;
adam@1867	2626 default:
adam@1867	2627 if (isprint((int)c))
adam@1867	2628 *s2++ = c;
adam@1867	2629 else {
adam@1867	2630 sprintf(s2, "\\\\%03o", c);
adam@1867	2631 s2 += 5;
adam@1867	2632 }
adamc@737	2633 }
adam@1867	2634 } else {
adam@1867	2635 sprintf(s2, "%02X", c);
adam@1867	2636 s2 += 2;
adamc@737	2637 }
phurst@1981	2638 }
adamc@737	2639
adamc@879	2640 *s2++ = '\'';
adamc@879	2641 strcpy(s2, uw_sqlsuffixBlob);
adamc@879	2642 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737	2643 return r;
adamc@737	2644 }
adamc@737	2645
adamc@682	2646 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	2647 int len;
adamc@682	2648 char *r;
adamc@682	2649 unsigned long long combo = ((unsigned long long)chn.cli << 32) \| chn.chn;
adamc@682	2650
adamc@682	2651 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682	2652 r = ctx->heap.front;
adamc@879	2653 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682	2654 ctx->heap.front += len+1;
adamc@682	2655 return r;
adamc@682	2656 }
adamc@682	2657
adamc@682	2658 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	2659 int len;
adamc@682	2660 char *r;
adamc@682	2661 unsigned long long combo = ((unsigned long long)chn.cli << 32) \| chn.chn;
adamc@682	2662
adamc@682	2663 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	2664 r = ctx->heap.front;
adamc@682	2665 sprintf(r, "%lld%n", combo, &len);
adamc@682	2666 ctx->heap.front += len+1;
adamc@682	2667 return r;
adamc@682	2668 }
adamc@682	2669
adamc@879	2670 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879	2671
adamc@682	2672 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682	2673 int len;
adamc@682	2674 char *r;
adamc@682	2675
adamc@682	2676 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682	2677 r = ctx->heap.front;
adamc@879	2678 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682	2679 ctx->heap.front += len+1;
adamc@682	2680 return r;
adamc@682	2681 }
adamc@682	2682
adamc@682	2683 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682	2684 int len;
adamc@682	2685 char *r;
adamc@682	2686
adamc@682	2687 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	2688 r = ctx->heap.front;
adamc@682	2689 sprintf(r, "%u%n", cli, &len);
adamc@682	2690 ctx->heap.front += len+1;
adamc@682	2691 return r;
adamc@682	2692 }
adamc@682	2693
adamc@467	2694 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467	2695 if (s == NULL)
adamc@467	2696 return "NULL";
adamc@467	2697 else
adamc@467	2698 return uw_Basis_sqlifyString(ctx, s);
adamc@467	2699 }
adamc@467	2700
adamc@311	2701 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311	2702 if (b == uw_Basis_False)
adamc@281	2703 return "FALSE";
adamc@281	2704 else
adamc@281	2705 return "TRUE";
adamc@281	2706 }
adamc@282	2707
adamc@467	2708 char uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool b) {
adamc@467	2709 if (b == NULL)
adamc@467	2710 return "NULL";
adamc@467	2711 else
adamc@467	2712 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467	2713 }
adamc@467	2714
adamc@439	2715 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439	2716 size_t len;
adamc@682	2717 char r, s;
adam@1392	2718 struct tm stm = {};
adam@1392	2719 stm.tm_isdst = -1;
adamc@682	2720
adam@1365	2721 if (localtime_r(&t.seconds, &stm)) {
adamc@682	2722 s = uw_malloc(ctx, TIMES_MAX);
adam@1364	2723 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1834	2724 if (uw_sql_type_annotations) {
adam@1834	2725 if (t.microseconds) {
adam@1834	2726 r = uw_malloc(ctx, len + 21);
adam@1834	2727 sprintf(r, "'%s.%06u'::timestamp", s, t.microseconds);
adam@1834	2728 } else {
adam@1834	2729 r = uw_malloc(ctx, len + 14);
adam@1834	2730 sprintf(r, "'%s'::timestamp", s);
adam@1834	2731 }
adam@1367	2732 } else {
adam@1834	2733 r = uw_malloc(ctx, len + 3);
adam@1834	2734 sprintf(r, "'%s'", s);
adam@1367	2735 }
adamc@682	2736 return r;
adamc@682	2737 } else
adamc@682	2738 return "<Invalid time>";
adamc@682	2739 }
adamc@682	2740
adamc@682	2741 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682	2742 size_t len;
adamc@439	2743 char *r;
adam@1392	2744 struct tm stm = {};
adam@1392	2745 stm.tm_isdst = -1;
adamc@439	2746
adam@1365	2747 if (localtime_r(&t.seconds, &stm)) {
adamc@439	2748 uw_check_heap(ctx, TIMES_MAX);
adamc@666	2749 r = ctx->heap.front;
adamc@439	2750 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666	2751 ctx->heap.front += len+1;
adamc@439	2752 return r;
adamc@439	2753 } else
adamc@439	2754 return "<Invalid time>";
adamc@439	2755 }
adamc@439	2756
adam@1364	2757 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364	2758 size_t len;
adam@1364	2759 char *r;
adam@1392	2760 struct tm stm = {};
adam@1392	2761 stm.tm_isdst = -1;
adam@1364	2762
adam@1365	2763 if (localtime_r(&t.seconds, &stm)) {
adam@1364	2764 uw_check_heap(ctx, TIMES_MAX);
adam@1364	2765 r = ctx->heap.front;
adam@1365	2766 len = strftime(r, TIMES_MAX-7, TIME_FMT_PG, &stm);
adam@1365	2767 ctx->heap.front += len;
adam@1365	2768 sprintf(ctx->heap.front, ".%06u", t.microseconds);
adam@1365	2769 ctx->heap.front += 8;
adam@1364	2770 return r;
adam@1364	2771 } else
adam@1364	2772 return "<Invalid time>";
adam@1364	2773 }
adam@1364	2774
adamc@467	2775 char uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time t) {
adamc@467	2776 if (t == NULL)
adamc@467	2777 return "NULL";
adamc@467	2778 else
adamc@467	2779 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467	2780 }
adamc@467	2781
adamc@311	2782 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311	2783 static uw_Basis_int true = 1;
adamc@311	2784 static uw_Basis_int false = 0;
adamc@282	2785
adamc@311	2786 if (b == uw_Basis_False)
adamc@282	2787 return (char *)&false;
adamc@282	2788 else
adamc@282	2789 return (char *)&true;
adamc@282	2790 }
adamc@284	2791
adamc@311	2792 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284	2793 int len;
adamc@284	2794 char *r;
adamc@284	2795
adamc@311	2796 uw_check_heap(ctx, INTS_MAX);
adamc@666	2797 r = ctx->heap.front;
adamc@284	2798 sprintf(r, "%lld%n", n, &len);
adamc@666	2799 ctx->heap.front += len+1;
adamc@284	2800 return r;
adamc@284	2801 }
adamc@285	2802
adamc@311	2803 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285	2804 int len;
adamc@285	2805 char *r;
adamc@285	2806
adamc@311	2807 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	2808 r = ctx->heap.front;
adamc@285	2809 sprintf(r, "%g%n", n, &len);
adamc@666	2810 ctx->heap.front += len+1;
adamc@285	2811 return r;
adamc@285	2812 }
adamc@285	2813
adamc@821	2814 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821	2815 char *r = uw_malloc(ctx, 2);
adamc@821	2816 r[0] = ch;
adamc@821	2817 r[1] = 0;
adamc@821	2818 return r;
adamc@821	2819 }
adamc@821	2820
adamc@311	2821 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311	2822 if (b == uw_Basis_False)
adamc@285	2823 return "False";
adamc@285	2824 else
adamc@285	2825 return "True";
adamc@285	2826 }
adamc@288	2827
adam@1359	2828 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352	2829 size_t len;
adam@1352	2830 char *r;
adam@1392	2831 struct tm stm = {};
adam@1392	2832 stm.tm_isdst = -1;
adam@1352	2833
adam@1365	2834 if (localtime_r(&t.seconds, &stm)) {
adam@1352	2835 uw_check_heap(ctx, TIMES_MAX);
adam@1352	2836 r = ctx->heap.front;
adam@1352	2837 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352	2838 ctx->heap.front += len+1;
adam@1352	2839 return r;
adam@1352	2840 } else
adam@1352	2841 return "<Invalid time>";
adam@1352	2842 }
adam@1352	2843
adam@1629	2844 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adam@1629	2845 return uw_Basis_timef(ctx, ctx->app->time_format, t);
adam@1629	2846 }
adam@1629	2847
adamc@311	2848 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288	2849 char *endptr;
adamc@311	2850 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288	2851
adamc@288	2852 if (s != '\0' && endptr == '\0') {
adamc@311	2853 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288	2854 *r = n;
adamc@288	2855 return r;
adamc@288	2856 } else
adamc@288	2857 return NULL;
adamc@288	2858 }
adamc@289	2859
adamc@311	2860 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289	2861 char *endptr;
adamc@311	2862 uw_Basis_float n = strtod(s, &endptr);
adamc@289	2863
adamc@289	2864 if (s != '\0' && endptr == '\0') {
adamc@311	2865 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289	2866 *r = n;
adamc@289	2867 return r;
adamc@289	2868 } else
adamc@289	2869 return NULL;
adamc@289	2870 }
adamc@289	2871
adamc@821	2872 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821	2873 if (s[0] == 0) {
adamc@821	2874 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821	2875 r[0] = 0;
adamc@821	2876 return r;
adamc@821	2877 } else if (s[1] != 0)
adamc@821	2878 return NULL;
adamc@821	2879 else {
adamc@821	2880 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821	2881 r[0] = s[0];
adamc@821	2882 return r;
adamc@821	2883 }
adamc@821	2884 }
adamc@821	2885
adamc@311	2886 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311	2887 static uw_Basis_bool true = uw_Basis_True;
adamc@311	2888 static uw_Basis_bool false = uw_Basis_False;
adamc@289	2889
adamc@289	2890 if (!strcasecmp (s, "True"))
adamc@289	2891 return &true;
adamc@289	2892 else if (!strcasecmp (s, "False"))
adamc@289	2893 return &false;
adamc@289	2894 else
adamc@289	2895 return NULL;
adamc@289	2896 }
adamc@292	2897
adamc@436	2898 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438	2899 char dot = strchr(s, '.'), end = strchr(s, 0);
adam@1374	2900 struct tm stm = {};
adam@1392	2901 stm.tm_isdst = -1;
adamc@436	2902
adamc@439	2903 if (dot) {
adamc@439	2904 *dot = 0;
adamc@439	2905 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439	2906 *dot = '.';
adamc@439	2907 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365	2908 r->seconds = mktime(&stm);
adam@1365	2909 r->microseconds = 0;
adamc@439	2910 return r;
adamc@439	2911 }
adamc@439	2912 else {
adamc@439	2913 *dot = '.';
adamc@439	2914 return NULL;
adamc@439	2915 }
adamc@436	2916 }
adamc@439	2917 else {
adam@2072	2918 if (strptime(s, ctx->app->time_format, &stm) == end) {
adamc@439	2919 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365	2920 r->seconds = mktime(&stm);
adam@1365	2921 r->microseconds = 0;
adamc@439	2922 return r;
adam@2072	2923 } else if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@2072	2924 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@2072	2925 r->seconds = mktime(&stm);
adam@2072	2926 r->microseconds = 0;
adam@2072	2927 return r;
adam@2072	2928 } else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439	2929 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365	2930 r->seconds = mktime(&stm);
adam@1365	2931 r->microseconds = 0;
adamc@439	2932 return r;
adam@1632	2933 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632	2934 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1632	2935 r->seconds = mktime(&stm);
adam@1632	2936 r->microseconds = 0;
adam@1632	2937 return r;
adamc@439	2938 }
adamc@439	2939 else
adamc@439	2940 return NULL;
adamc@439	2941 }
adamc@436	2942 }
adamc@436	2943
adam@1352	2944 uw_Basis_time uw_Basis_stringToTimef(uw_context ctx, const char fmt, uw_Basis_string s) {
adam@1352	2945 char *end = strchr(s, 0);
adam@1374	2946 struct tm stm = {};
adam@1392	2947 stm.tm_isdst = -1;
adam@1352	2948
adam@1352	2949 if (strptime(s, fmt, &stm) == end) {
adam@1352	2950 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365	2951 r->seconds = mktime(&stm);
adam@1365	2952 r->microseconds = 0;
adam@1352	2953 return r;
adam@1352	2954 }
adam@1352	2955 else
adam@1352	2956 return NULL;
adam@1352	2957 }
adam@1352	2958
adamc@311	2959 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292	2960 char *endptr;
adamc@311	2961 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292	2962
adamc@292	2963 if (s != '\0' && endptr == '\0')
adamc@292	2964 return n;
adamc@292	2965 else
adam@1444	2966 uw_error(ctx, FATAL, "Can't parse int: %s", uw_Basis_htmlifyString(ctx, s));
adamc@292	2967 }
adamc@293	2968
adamc@682	2969 #include <errno.h>
adamc@682	2970
adamc@678	2971 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682	2972 unsigned long long n;
adamc@682	2973
adamc@682	2974 if (sscanf(s, "%llu", &n) < 1)
adam@1444	2975 uw_error(ctx, FATAL, "Can't parse channel: %s", uw_Basis_htmlifyString(ctx, s));
adamc@682	2976 else {
adamc@682	2977 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682	2978 return ch;
adamc@682	2979 }
adamc@682	2980 }
adamc@682	2981
adamc@682	2982 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678	2983 char *endptr;
adamc@682	2984 unsigned long n = strtoul(s, &endptr, 10);
adamc@678	2985
adamc@678	2986 if (s != '\0' && endptr == '\0')
adamc@678	2987 return n;
adamc@678	2988 else
adam@1444	2989 uw_error(ctx, FATAL, "Can't parse client: %s", uw_Basis_htmlifyString(ctx, s));
adamc@678	2990 }
adamc@678	2991
adamc@311	2992 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293	2993 char *endptr;
adamc@311	2994 uw_Basis_float n = strtod(s, &endptr);
adamc@293	2995
adamc@293	2996 if (s != '\0' && endptr == '\0')
adamc@293	2997 return n;
adamc@293	2998 else
adam@1444	2999 uw_error(ctx, FATAL, "Can't parse float: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293	3000 }
adamc@293	3001
adamc@821	3002 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821	3003 if (s[0] == 0)
adamc@821	3004 return 0;
adamc@821	3005 else if (s[1] != 0)
adam@1444	3006 uw_error(ctx, FATAL, "Can't parse char: %s", uw_Basis_htmlifyString(ctx, s));
adamc@821	3007 else
adamc@821	3008 return s[0];
adamc@821	3009 }
adamc@821	3010
adamc@311	3011 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296	3012 if (!strcasecmp(s, "T") \|\| !strcasecmp (s, "True"))
adamc@311	3013 return uw_Basis_True;
adamc@296	3014 else if (!strcasecmp(s, "F") \|\| !strcasecmp (s, "False"))
adamc@311	3015 return uw_Basis_False;
adamc@293	3016 else
adam@1444	3017 uw_error(ctx, FATAL, "Can't parse bool: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293	3018 }
adamc@436	3019
adam@1352	3020 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352	3021 char dot = strchr(s, '.'), end = strchr(s, 0);
adam@1352	3022 struct tm stm = {};
adam@1392	3023 stm.tm_isdst = -1;
adam@1352	3024
adam@1352	3025 if (dot) {
adam@1352	3026 *dot = 0;
adam@1352	3027 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352	3028 *dot = '.';
adam@1410	3029 char usec[] = "000000";
adam@1410	3030 int len = strlen(dot+1);
adam@1410	3031 memcpy(usec, dot+1, len < 6 ? len : 6);
adam@1410	3032 uw_Basis_time r = { mktime(&stm), atoi(usec) };
adam@1365	3033 return r;
adam@1352	3034 }
adam@1352	3035 else {
adam@1352	3036 *dot = '.';
adam@1444	3037 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352	3038 }
adam@1352	3039 }
adam@1352	3040 else {
adam@1352	3041 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365	3042 uw_Basis_time r = { mktime(&stm) };
adam@1365	3043 return r;
adam@1352	3044 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365	3045 uw_Basis_time r = { mktime(&stm) };
adam@1365	3046 return r;
adam@1352	3047 } else
adam@1444	3048 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352	3049 }
adam@1352	3050 }
adam@1352	3051
adamc@436	3052 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438	3053 char dot = strchr(s, '.'), end = strchr(s, 0);
adamc@436	3054 struct tm stm = {};
adam@1392	3055 stm.tm_isdst = -1;
adamc@436	3056
adamc@438	3057 if (dot) {
adamc@438	3058 *dot = 0;
adamc@438	3059 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438	3060 *dot = '.';
adam@1365	3061 {
adam@1365	3062 uw_Basis_time r = { mktime(&stm) };
adam@1365	3063 return r;
adam@1365	3064 }
adamc@438	3065 }
adamc@438	3066 else {
adamc@438	3067 *dot = '.';
adam@1444	3068 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438	3069 }
adamc@438	3070 }
adamc@438	3071 else {
adam@2072	3072 if (strptime(s, ctx->app->time_format, &stm) == end) {
adam@2072	3073 uw_Basis_time r = { mktime(&stm) };
adam@2072	3074 return r;
adam@2072	3075 } else if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365	3076 uw_Basis_time r = { mktime(&stm) };
adam@1365	3077 return r;
adam@1365	3078 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365	3079 uw_Basis_time r = { mktime(&stm) };
adam@1365	3080 return r;
adam@1632	3081 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632	3082 uw_Basis_time r = { mktime(&stm) };
adam@1632	3083 return r;
adam@1365	3084 } else
adam@1444	3085 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438	3086 }
adamc@436	3087 }
adamc@457	3088
adam@1352	3089 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352	3090 char *end = strchr(s, 0);
adamc@939	3091 struct tm stm = {};
adam@1392	3092 stm.tm_isdst = -1;
adamc@939	3093
adam@1365	3094 if (strptime(s, fmt, &stm) == end) {
adam@1365	3095 uw_Basis_time r = { mktime(&stm) };
adam@1365	3096 return r;
adam@1365	3097 } else
adam@1444	3098 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@939	3099 }
adamc@939	3100
adamc@742	3101 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742	3102 char *r = ctx->heap.front;
adamc@742	3103 uw_Basis_blob b = {len, r};
adamc@742	3104
adamc@742	3105 uw_check_heap(ctx, len);
adamc@742	3106
adam@1992	3107 if (s[0] == '\\' && s[1] == 'x') {
adam@1992	3108 s += 2;
adam@1992	3109
adam@1992	3110 while (*s) {
adam@1992	3111 int n;
adam@1992	3112 sscanf(s, "%02x", &n);
adam@1992	3113 *r++ = n;
adam@1992	3114 s += 2;
adam@1992	3115 }
adam@1992	3116 } else {
adam@1992	3117 while (*s) {
adam@1992	3118 if (s[0] == '\\') {
adam@1992	3119 if (s[1] == '\\') {
adam@1992	3120 *r++ = '\\';
adam@1992	3121 s += 2;
adam@1992	3122 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adam@1992	3123 r++ = (s[1] - '0') 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adam@1992	3124 s += 4;
adam@1992	3125 }
adam@1992	3126 else {
adam@1992	3127 *r++ = '\\';
adam@1992	3128 ++s;
adam@1992	3129 }
adam@1992	3130 } else {
adam@1992	3131 *r++ = s[0];
adamc@742	3132 ++s;
adamc@742	3133 }
adamc@742	3134 }
adamc@742	3135 }
adamc@742	3136
adamc@742	3137 b.size = r - ctx->heap.front;
adamc@742	3138 ctx->heap.front = r;
adam@1992	3139
adamc@742	3140 return b;
adamc@742	3141 }
adamc@742	3142
adam@1402	3143 #define THE_PAST "expires=Sat, 01-Jan-2011 00:00:00 GMT"
adamc@1052	3144
adamc@463	3145 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463	3146 int len = strlen(c);
adamc@854	3147 char *p = ctx->outHeaders.start;
adamc@474	3148
adamc@1134	3149 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474	3150 char *p2;
adamc@474	3151 p += 13;
adamc@474	3152 p2 = strchr(p, '=');
adamc@474	3153
adamc@474	3154 if (p2) {
adamc@474	3155 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474	3156
adamc@474	3157 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052	3158 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052	3159 return NULL;
adamc@1052	3160 else {
adamc@1052	3161 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052	3162 memcpy(ret, p2+1, sz);
adamc@1052	3163 ret[sz] = 0;
adamc@1052	3164 return ret;
adamc@1052	3165 }
adamc@474	3166 }
adamc@474	3167 }
adamc@474	3168 }
adamc@463	3169
adamc@1134	3170 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051	3171 char *p2;
adamc@1051	3172
adamc@854	3173 while (1) {
adamc@1051	3174 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134	3175 if ((p2 = strchr(p, ';'))) {
adamc@1051	3176 size_t n = p2 - (p + len);
adamc@1051	3177 char *r = uw_malloc(ctx, n);
adamc@1051	3178 memcpy(r, p + 1 + len, n-1);
adamc@1051	3179 r[n-1] = 0;
adamc@1051	3180 return r;
adamc@1051	3181 } else
adamc@1051	3182 return p + 1 + len;
adamc@1134	3183 } else if ((p = strchr(p, ';')))
adamc@854	3184 p += 2;
adamc@463	3185 else
adamc@463	3186 return NULL;
adamc@463	3187 }
adamc@463	3188 }
adamc@792	3189
adamc@792	3190 return NULL;
adamc@457	3191 }
adamc@462	3192
adam@1877	3193 static void set_cookie(uw_context ctx) {
adam@1877	3194 if (ctx->usedSig)
adam@1877	3195 ctx->needsResig = 1;
adam@1877	3196 }
adam@1877	3197
adamc@1050	3198 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	3199 uw_write_header(ctx, "Set-Cookie: ");
adamc@462	3200 uw_write_header(ctx, c);
adamc@462	3201 uw_write_header(ctx, "=");
adamc@462	3202 uw_write_header(ctx, v);
adamc@466	3203 uw_write_header(ctx, "; path=");
adamc@466	3204 uw_write_header(ctx, prefix);
adamc@1050	3205 if (expires) {
adamc@1050	3206 char formatted[30];
adam@1392	3207 struct tm tm = {};
adam@1392	3208 tm.tm_isdst = -1;
adamc@1050	3209
adam@1365	3210 gmtime_r(&expires->seconds, &tm);
adamc@1050	3211
adamc@1050	3212 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050	3213
adamc@1050	3214 uw_write_header(ctx, "; expires=");
adamc@1050	3215 uw_write_header(ctx, formatted);
adamc@1050	3216 }
adamc@1050	3217 if (secure)
adamc@1050	3218 uw_write_header(ctx, "; secure");
adamc@462	3219 uw_write_header(ctx, "\r\n");
adam@1877	3220 set_cookie(ctx);
adamc@462	3221
adamc@462	3222 return uw_unit_v;
adamc@462	3223 }
adamc@667	3224
adamc@1050	3225 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050	3226 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050	3227 uw_write_header(ctx, c);
adamc@1050	3228 uw_write_header(ctx, "=; path=");
adamc@1050	3229 uw_write_header(ctx, prefix);
adamc@1052	3230 uw_write_header(ctx, "; " THE_PAST "\r\n");
adam@1877	3231 set_cookie(ctx);
adamc@1050	3232
adamc@1050	3233 return uw_unit_v;
adamc@1050	3234 }
adamc@1050	3235
adamc@1113	3236 size_t uw_deltas_max = SIZE_MAX;
adamc@1113	3237
adamc@682	3238 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682	3239 unsigned i;
adamc@682	3240 delta *d;
adamc@671	3241
adamc@682	3242 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682	3243 if (ctx->deltas[i].client == client)
adamc@682	3244 return &ctx->deltas[i];
adamc@671	3245
adamc@682	3246 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113	3247 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113	3248 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113	3249
adamc@682	3250 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adam@1369	3251 uw_buffer_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682	3252 }
adamc@671	3253
adamc@682	3254 d = &ctx->deltas[ctx->used_deltas++];
adamc@682	3255 d->client = client;
adam@1369	3256 uw_buffer_reset(&d->msgs);
adamc@682	3257 return d;
adamc@671	3258 }
adamc@671	3259
adamc@668	3260 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682	3261 if (ctx->client == NULL)
adamc@682	3262 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671	3263
adamc@682	3264 return new_channel(ctx->client);
adamc@668	3265 }
adamc@668	3266
adamc@668	3267 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682	3268 delta *d = allocate_delta(ctx, chn.cli);
adamc@682	3269 size_t len;
adamc@682	3270 int preLen;
adamc@682	3271 char pre[INTS_MAX + 2];
adamc@668	3272
adamc@682	3273 len = strlen(msg);
adamc@682	3274
adamc@682	3275 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682	3276
adam@1369	3277 ctx_uw_buffer_append(ctx, "messages", &d->msgs, pre, preLen);
adam@1369	3278 ctx_uw_buffer_append(ctx, "messages", &d->msgs, msg, len);
adam@1369	3279 ctx_uw_buffer_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671	3280
adamc@671	3281 return uw_unit_v;
adamc@668	3282 }
adamc@671	3283
adam@1327	3284 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131	3285 int i;
adamc@1131	3286 cleanup *cl;
adamc@1131	3287
adamc@1131	3288 if (ctx->client)
adamc@1131	3289 release_client(ctx->client);
adamc@1131	3290
adamc@1131	3291 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131	3292 cl->func(cl->arg);
adamc@1131	3293
adamc@1131	3294 ctx->cleanup_front = ctx->cleanup;
adamc@1131	3295
adamc@1131	3296 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131	3297 if (ctx->transactionals[i].rollback != NULL)
adamc@1131	3298 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131	3299
adamc@1131	3300 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131	3301 if (ctx->transactionals[i].free)
adam@1327	3302 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131	3303
adam@1941	3304 if (ctx->app && ctx->transaction_started) {
adam@1941	3305 ctx->transaction_started = 0;
adam@1941	3306 return ctx->app->db_rollback(ctx);
adam@1941	3307 } else
adam@1941	3308 return 0;
adamc@1131	3309 }
adamc@1131	3310
adam@1956	3311 const char uw_begin_xhtml[] = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">";
adam@1956	3312 const char uw_begin_html5[] = "<!DOCTYPE html><html>";
adam@1728	3313
adam@1877	3314 extern int uw_hash_blocksize;
adam@1877	3315
adam@1877	3316 static const char sig_intro[] = "<input type=\"hidden\" name=\"Sig\" value=\"";
adam@1877	3317
adam@1877	3318 static char find_sig(char haystack) {
adam@1877	3319 int i;
adam@1877	3320 char *s = strstr(haystack, sig_intro);
adam@1877	3321
adam@1877	3322 if (!s \|\| strlen(haystack) - (s - haystack) - (sizeof sig_intro - 1) < uw_hash_blocksize*2+1)
adam@1877	3323 return NULL;
phurst@1981	3324
adam@1877	3325 s += sizeof sig_intro - 1;
adam@1877	3326
adam@1877	3327 for (i = 0; i < uw_hash_blocksize*2; ++i)
adam@1877	3328 if (!isxdigit((int)s[i]))
adam@1877	3329 return NULL;
adam@1877	3330
adam@1877	3331 if (s[i] != '"')
adam@1877	3332 return NULL;
adam@1877	3333
adam@1877	3334 return s;
adam@1877	3335 }
adam@1877	3336
adam@2033	3337 static pthread_mutex_t message_send_mutex = PTHREAD_MUTEX_INITIALIZER;
adam@2033	3338
adam@1938	3339 int uw_commit(uw_context ctx) {
adamc@1104	3340 int i;
adam@1877	3341 char *sig;
adamc@1104	3342
adamc@1131	3343 if (uw_has_error(ctx)) {
adam@1327	3344 uw_rollback(ctx, 0);
adam@1938	3345 return 0;
adamc@1131	3346 }
adamc@1131	3347
adamc@1104	3348 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771	3349 if (ctx->transactionals[i].rollback != NULL)
adamc@1131	3350 if (ctx->transactionals[i].commit) {
adamc@1083	3351 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131	3352 if (uw_has_error(ctx)) {
adam@1327	3353 uw_rollback(ctx, 0);
adam@1938	3354 return 0;
adamc@1131	3355 }
adamc@1131	3356 }
adamc@771	3357
adam@2033	3358 // Here's an important lock to provide the abstraction that all messages from one transaction are sent as an atomic unit.
adam@2033	3359 if (ctx->used_deltas > 0)
adam@2033	3360 pthread_mutex_lock(&message_send_mutex);
adam@2033	3361
adam@2000	3362 if (ctx->transaction_started) {
adam@2000	3363 int code = ctx->app->db_commit(ctx);
adam@2000	3364
adam@2000	3365 if (code) {
adam@2033	3366 if (ctx->used_deltas > 0)
adam@2033	3367 pthread_mutex_unlock(&message_send_mutex);
adam@2033	3368
adam@2000	3369 if (ctx->client)
adam@2000	3370 release_client(ctx->client);
adam@2000	3371
adam@2000	3372 if (code == -1) {
adam@2000	3373 // This case is for a serialization failure, which is not really an "error."
adam@2000	3374 // The transaction will restart, so we should rollback any transactionals
adam@2000	3375 // that triggered above.
adam@2000	3376
adam@2000	3377 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000	3378 if (ctx->transactionals[i].rollback != NULL)
adam@2000	3379 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adam@2000	3380
adam@2000	3381 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000	3382 if (ctx->transactionals[i].free)
adam@2000	3383 ctx->transactionals[i].free(ctx->transactionals[i].data, 1);
adam@2000	3384
grrwlf@2030	3385 return 1;
adam@2000	3386 }
adam@2000	3387
adam@2000	3388 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2000	3389 if (ctx->transactionals[i].free)
adam@2000	3390 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adam@2000	3391
adam@2000	3392 uw_set_error_message(ctx, "Error running SQL COMMIT");
adam@2000	3393 return 0;
adam@2000	3394 }
adam@2000	3395 }
adam@2000	3396
adamc@1104	3397 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771	3398 if (ctx->transactionals[i].rollback == NULL)
adamc@1131	3399 if (ctx->transactionals[i].commit) {
adamc@1083	3400 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131	3401 if (uw_has_error(ctx)) {
adam@2033	3402 if (ctx->used_deltas > 0)
adam@2033	3403 pthread_mutex_unlock(&message_send_mutex);
adam@2033	3404
adam@2033	3405 if (ctx->client)
adam@2033	3406 release_client(ctx->client);
adam@2033	3407
adam@2033	3408 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2033	3409 if (ctx->transactionals[i].rollback != NULL)
adam@2033	3410 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adam@2033	3411
adam@2033	3412 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@2033	3413 if (ctx->transactionals[i].free)
adam@2033	3414 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adam@2000	3415
adam@1938	3416 return 0;
adamc@1131	3417 }
adamc@1131	3418 }
adamc@1131	3419
adamc@682	3420 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682	3421 delta *d = &ctx->deltas[i];
adamc@682	3422 client *c = find_client(d->client);
adamc@682	3423
adam@1551	3424 assert (c != NULL);
adam@1551	3425 assert(c->mode == USED);
adamc@682	3426
adam@1447	3427 client_send(c, &d->msgs, ctx->script.start, uw_buffer_used(&ctx->script));
adamc@682	3428 }
adamc@682	3429
adam@2033	3430 if (ctx->used_deltas > 0)
adam@2033	3431 pthread_mutex_unlock(&message_send_mutex);
adam@2033	3432
adamc@682	3433 if (ctx->client)
adamc@685	3434 release_client(ctx->client);
adamc@771	3435
adamc@1104	3436 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083	3437 if (ctx->transactionals[i].free)
adam@1327	3438 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916	3439
vshabanoff@1726	3440 uw_check(ctx, 1);
vshabanoff@1726	3441 *ctx->page.front = 0;
adam@1413	3442
adam@1956	3443 if (!ctx->returning_indirectly
adam@1956	3444 && (ctx->app->is_html5
adam@1956	3445 ? !strncmp(ctx->page.start, uw_begin_html5, sizeof uw_begin_html5 - 1)
adam@1956	3446 : !strncmp(ctx->page.start, uw_begin_xhtml, sizeof uw_begin_xhtml - 1))) {
adam@1728	3447 char *s;
adam@1728	3448
adam@1728	3449 // Splice script data into appropriate part of page, also adding <head> if needed.
adam@1956	3450 s = ctx->page.start + (ctx->app->is_html5 ? sizeof uw_begin_html5 - 1 : sizeof uw_begin_xhtml - 1);
adam@1728	3451 s = strchr(s, '<');
adam@1728	3452 if (s == NULL) {
adam@1728	3453 // Weird. Document has no tags!
adam@1728	3454
adam@1728	3455 uw_write(ctx, "<head></head><body></body>");
adam@1728	3456 uw_check(ctx, 1);
adam@1728	3457 *ctx->page.front = 0;
adam@1728	3458 } else if (!strncmp(s, "<head>", 6)) {
adam@1728	3459 // <head> is present. Let's add the <script> tags immediately after it.
adam@1728	3460
adam@1729	3461 // Any freeform JavaScript to include?
adam@1729	3462 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729	3463 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729	3464 size_t lenP = lenH + 40 + len;
adam@1729	3465 char start = s + 6, oldPage = ctx->page.start;
adam@1729	3466
adam@1729	3467 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729	3468 start += ctx->page.start - oldPage;
adam@1729	3469 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729	3470 ctx->page.front += lenP;
adam@1729	3471 memcpy(start, ctx->script_header, lenH);
adam@1729	3472 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adam@1729	3473 memcpy(start + lenH + 31, ctx->script.start, len);
adam@1729	3474 memcpy(start + lenH + 31 + len, "</script>", 9);
adam@1729	3475 } else {
adam@1729	3476 size_t lenH = strlen(ctx->script_header);
adam@1729	3477 char start = s + 6, oldPage = ctx->page.start;
adam@1729	3478
adam@1729	3479 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenH);
adam@1729	3480 start += ctx->page.start - oldPage;
adam@1729	3481 memmove(start + lenH, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729	3482 ctx->page.front += lenH;
adam@1729	3483 memcpy(start, ctx->script_header, lenH);
adam@1729	3484 }
adam@1728	3485 } else {
adam@1728	3486 // No <head>. At this point, add it, with <script> tags inside.
adam@1728	3487
adam@1729	3488 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729	3489 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729	3490 size_t lenP = lenH + 53 + len;
adam@1729	3491 char start = s, oldPage = ctx->page.start;
adam@1729	3492
adam@1729	3493 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729	3494 start += ctx->page.start - oldPage;
adam@1729	3495 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729	3496 ctx->page.front += lenP;
adam@1729	3497 memcpy(start, "<head>", 6);
adam@1729	3498 memcpy(start + 6, ctx->script_header, lenH);
adam@1729	3499 memcpy(start + 6 + lenH, "<script type=\"text/javascript\">", 31);
adam@1729	3500 memcpy(start + 6 + lenH + 31, ctx->script.start, len);
adam@1729	3501 memcpy(start + 6 + lenH + 31 + len, "</script></head>", 16);
adam@1729	3502 } else {
adam@1729	3503 size_t lenH = strlen(ctx->script_header);
adam@1729	3504 size_t lenP = lenH + 13;
adam@1729	3505 char start = s, oldPage = ctx->page.start;
adam@1729	3506
adam@1729	3507 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729	3508 start += ctx->page.start - oldPage;
adam@1729	3509 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729	3510 ctx->page.front += lenP;
adam@1729	3511 memcpy(start, "<head>", 6);
adam@1729	3512 memcpy(start + 6, ctx->script_header, lenH);
adam@1729	3513 memcpy(start + 6 + lenH, "</head>", 7);
adam@1729	3514 }
adamc@916	3515 }
adamc@916	3516 }
adam@1877	3517
adam@1877	3518 if (ctx->needsResig) {
adam@1877	3519 sig = find_sig(ctx->page.start);
adam@1877	3520 if (sig) {
adam@1877	3521 char *realsig = ctx->app->cookie_sig(ctx);
adam@1877	3522
adam@1877	3523 do {
adam@1877	3524 memcpy(sig, realsig, 2*uw_hash_blocksize);
adam@1877	3525 sig = find_sig(sig);
adam@1877	3526 } while (sig);
adam@1877	3527 }
adam@1877	3528 }
adam@1938	3529
adam@1938	3530 return 0;
adamc@671	3531 }
adamc@671	3532
adamc@683	3533
adamc@1113	3534 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113	3535
adam@2001	3536 int uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327	3537 uw_callback_with_retry free) {
adamc@771	3538 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113	3539 if (ctx->used_transactionals+1 > uw_transactionals_max)
adam@2001	3540 // Exceeded limit on number of transactionals.
adam@2001	3541 return -1;
adamc@1084	3542 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771	3543 ++ctx->n_transactionals;
adamc@771	3544 }
adamc@771	3545
adamc@771	3546 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771	3547 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771	3548 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771	3549 ctx->transactionals[ctx->used_transactionals++].free = free;
adam@2001	3550
adam@2001	3551 return 0;
adamc@771	3552 }
adamc@771	3553
adamc@683	3554
adamc@683	3555 // "Garbage collection"
adamc@683	3556
adamc@1121	3557 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121	3558 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121	3559
adamc@1121	3560 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683	3561 int r = setjmp(ctx->jmp_buf);
adamc@683	3562
adamc@1121	3563 if (r == 0)
adamc@1121	3564 uw_do_expunge(ctx, cli, data);
adamc@1121	3565 else
adamc@1121	3566 ctx->app->db_rollback(ctx);
adamc@1121	3567
adamc@1121	3568 uw_post_expunge(ctx, data);
adamc@683	3569
adamc@683	3570 return r;
adamc@683	3571 }
adamc@683	3572
adamc@683	3573 void uw_prune_clients(uw_context ctx) {
adamc@683	3574 client c, next, *prev = NULL;
adamc@683	3575 time_t cutoff;
adamc@683	3576
adamc@1094	3577 cutoff = time(NULL) - ctx->app->timeout;
adamc@683	3578
adamc@683	3579 pthread_mutex_lock(&clients_mutex);
adam@1707	3580 pruning_thread = pthread_self();
adam@1707	3581 pruning_thread_initialized = 1;
adamc@683	3582
adamc@683	3583 for (c = clients_used; c; c = next) {
adamc@683	3584 next = c->next;
adamc@683	3585 pthread_mutex_lock(&c->lock);
adamc@685	3586 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683	3587 failure_kind fk = UNLIMITED_RETRY;
adamc@683	3588 if (prev)
adamc@683	3589 prev->next = next;
adamc@683	3590 else
adamc@683	3591 clients_used = next;
adamc@683	3592 while (fk == UNLIMITED_RETRY) {
adam@1941	3593 uw_reset(ctx);
adamc@1121	3594 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121	3595 if (fk == UNLIMITED_RETRY)
adamc@684	3596 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683	3597 }
adamc@684	3598 if (fk == SUCCESS)
adamc@684	3599 free_client(c);
adamc@1121	3600 else
adamc@856	3601 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683	3602 }
adamc@683	3603 else
adamc@683	3604 prev = c;
adamc@683	3605 pthread_mutex_unlock(&c->lock);
adamc@683	3606 }
adamc@683	3607
adamc@683	3608 pthread_mutex_unlock(&clients_mutex);
adamc@683	3609 }
adamc@687	3610
adamc@687	3611 failure_kind uw_initialize(uw_context ctx) {
adamc@687	3612 int r = setjmp(ctx->jmp_buf);
adamc@687	3613
adamc@687	3614 if (r == 0) {
adam@1936	3615 uw_ensure_transaction(ctx);
adamc@1094	3616 ctx->app->initializer(ctx);
adamc@1094	3617 if (ctx->app->db_commit(ctx))
adamc@687	3618 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687	3619 }
adamc@687	3620
adamc@687	3621 return r;
adamc@687	3622 }
adamc@717	3623
adamc@1065	3624 static int url_bad(uw_Basis_string s) {
adamc@1065	3625 for (; *s; ++s)
adamc@1153	3626 if (!isgraph((int)*s))
adamc@1065	3627 return 1;
adamc@1065	3628
adamc@1065	3629 return 0;
adamc@1065	3630 }
adamc@1065	3631
adamc@717	3632 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065	3633 if (url_bad(s))
adamc@1065	3634 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094	3635 if (ctx->app->check_url(s))
adamc@770	3636 return s;
adamc@770	3637 else
adamc@770	3638 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717	3639 }
adamc@734	3640
adamc@770	3641 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065	3642 if (url_bad(s))
adamc@1065	3643 return NULL;
adamc@1094	3644 if (ctx->app->check_url(s))
adamc@770	3645 return s;
adamc@770	3646 else
adamc@770	3647 return NULL;
adamc@770	3648 }
adamc@770	3649
adam@1465	3650 static int mime_format(const char *s) {
adamc@770	3651 for (; *s; ++s)
grrwlf@2024	3652 if (!isalnum((int)s) && s != '/' && s != '-' && s != '.' && *s != '+')
adamc@770	3653 return 0;
adamc@770	3654
adamc@770	3655 return 1;
adamc@770	3656 }
adamc@770	3657
adamc@741	3658 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770	3659 if (!mime_format(s))
adamc@770	3660 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770	3661
adamc@1094	3662 if (ctx->app->check_mime(s))
adamc@770	3663 return s;
adamc@770	3664 else
adamc@770	3665 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770	3666 }
adamc@770	3667
adamc@770	3668 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770	3669 if (!mime_format(s))
adamc@770	3670 return NULL;
adamc@770	3671
adamc@1094	3672 if (ctx->app->check_mime(s))
adamc@770	3673 return s;
adamc@770	3674 else
adamc@770	3675 return NULL;
adamc@741	3676 }
adamc@741	3677
adam@1465	3678 uw_Basis_string uw_Basis_blessRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465	3679 if (!mime_format(s))
adam@1465	3680 uw_error(ctx, FATAL, "Request header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465	3681
adam@1465	3682 if (ctx->app->check_requestHeader(s))
adam@1465	3683 return s;
adam@1465	3684 else
adam@1465	3685 uw_error(ctx, FATAL, "Disallowed request header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465	3686 }
adam@1465	3687
adam@1465	3688 uw_Basis_string uw_Basis_checkRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465	3689 if (!mime_format(s))
adam@1465	3690 return NULL;
adam@1465	3691
adam@1465	3692 if (ctx->app->check_requestHeader(s))
adam@1465	3693 return s;
adam@1465	3694 else
adam@1465	3695 return NULL;
adam@1465	3696 }
adam@1465	3697
adam@1465	3698 uw_Basis_string uw_Basis_blessResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1465	3699 if (!mime_format(s))
adam@1465	3700 uw_error(ctx, FATAL, "Response header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465	3701
adam@1465	3702 if (ctx->app->check_responseHeader(s))
adam@1465	3703 return s;
adam@1465	3704 else
adam@1465	3705 uw_error(ctx, FATAL, "Disallowed response header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465	3706 }
adam@1465	3707
adam@1799	3708 static int envVar_format(const char *s) {
adam@1799	3709 for (; *s; ++s)
adam@1799	3710 if (!isalnum((int)s) && s != '_' && *s != '.')
adam@1799	3711 return 0;
adam@1799	3712
adam@1799	3713 return 1;
adam@1799	3714 }
adam@1799	3715
adam@1465	3716 uw_Basis_string uw_Basis_checkResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1799	3717 if (!envVar_format(s))
adam@1465	3718 return NULL;
adam@1465	3719
adam@1465	3720 if (ctx->app->check_responseHeader(s))
adam@1465	3721 return s;
adam@1465	3722 else
adam@1465	3723 return NULL;
adam@1465	3724 }
adam@1465	3725
adam@1799	3726 uw_Basis_string uw_Basis_blessEnvVar(uw_context ctx, uw_Basis_string s) {
adam@1799	3727 if (!envVar_format(s))
adam@1799	3728 uw_error(ctx, FATAL, "Environment variable \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1799	3729
adam@1799	3730 if (ctx->app->check_envVar(s))
adam@1799	3731 return s;
adam@1799	3732 else
adam@1799	3733 uw_error(ctx, FATAL, "Disallowed environment variable %s", uw_Basis_htmlifyString(ctx, s));
adam@1799	3734 }
adam@1799	3735
adam@1799	3736 uw_Basis_string uw_Basis_checkEnvVar(uw_context ctx, uw_Basis_string s) {
adam@1799	3737 if (!mime_format(s))
adam@1799	3738 return NULL;
adam@1799	3739
adam@1799	3740 if (ctx->app->check_envVar(s))
adam@1799	3741 return s;
adam@1799	3742 else
adam@1799	3743 return NULL;
adam@1799	3744 }
adam@1799	3745
adam@1465	3746 uw_Basis_string uw_Basis_getHeader(uw_context ctx, uw_Basis_string name) {
adam@1465	3747 return uw_Basis_requestHeader(ctx, name);
adam@1465	3748 }
adam@1465	3749
adam@1465	3750 static int mime_value_format(const char *s) {
adam@1465	3751 for (; *s; ++s)
adam@1465	3752 if (s == '\r' \|\| s == '\n')
adam@1465	3753 return 0;
adam@1465	3754
adam@1465	3755 return 1;
adam@1465	3756 }
adam@1465	3757
adam@1465	3758 uw_unit uw_Basis_setHeader(uw_context ctx, uw_Basis_string name, uw_Basis_string value) {
adam@1465	3759 if (!mime_value_format(value))
adam@1465	3760 uw_error(ctx, FATAL, "Invalid value for HTTP response header");
adam@1465	3761
adam@1465	3762 uw_write_header(ctx, name);
adam@1465	3763 uw_write_header(ctx, ": ");
adam@1465	3764 uw_write_header(ctx, value);
adam@1465	3765 uw_write_header(ctx, "\r\n");
adam@1465	3766
adam@1465	3767 return uw_unit_v;
adam@1465	3768 }
adam@1465	3769
adam@1799	3770 uw_Basis_string uw_Basis_getenv(uw_context ctx, uw_Basis_string name) {
adam@1993	3771 if (ctx->get_env)
adam@1993	3772 return ctx->get_env(ctx->get_env_data, name);
adam@1993	3773 else
adam@1994	3774 return getenv(name);
adam@1799	3775 }
adam@1799	3776
adamc@734	3777 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734	3778 return s ? s : "";
adamc@734	3779 }
adamc@734	3780
adamc@734	3781 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734	3782 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734	3783 int i;
phurst@1981	3784
adamc@734	3785 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734	3786 sprintf(&r[2i], "%.02X", ((unsigned char )sig)[i]);
adamc@734	3787
adamc@734	3788 return r;
adamc@734	3789 }
adamc@734	3790
adam@1512	3791 /* This bit of crafty code is intended to prevent GCC from performing
adam@1512	3792 * optimizations that would enable timing attacks. See:
adam@1512	3793 * http://www.impredicative.com/pipermail/ur/2011-July/000659.html
adam@1512	3794 */
adam@1512	3795 int uw_streq(uw_Basis_string s1, uw_Basis_string s2) {
adam@1512	3796 int i, x = 0, len1 = strlen(s1);
adam@1512	3797
adam@1512	3798 if (len1 != strlen(s2)) return 0;
adam@1512	3799
adam@1512	3800 for (i = 0; i < len1; ++i) {
adam@1512	3801 __asm__ __volatile__ ("");
adam@1512	3802 x \|= s1[i] ^ s2[i];
adam@1512	3803 }
adam@1512	3804
adam@1512	3805 return x == 0;
adam@1512	3806 }
adam@1512	3807
adamc@734	3808 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adam@1877	3809 ctx->usedSig = 1;
adamc@1094	3810 return ctx->app->cookie_sig(ctx);
adamc@734	3811 }
adamc@737	3812
adamc@737	3813 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737	3814 return f.name;
adamc@737	3815 }
adamc@737	3816
adamc@740	3817 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740	3818 return f.type;
adamc@740	3819 }
adamc@740	3820
adamc@745	3821 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745	3822 return b.size;
adamc@745	3823 }
adamc@745	3824
adamc@1119	3825 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119	3826 uw_Basis_blob b = {strlen(s), s};
adamc@1119	3827
adamc@1119	3828 return b;
adamc@1119	3829 }
adamc@1119	3830
adamc@737	3831 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737	3832 return f.data;
adamc@737	3833 }
adamc@741	3834
adam@1347	3835 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347	3836 return pb.type;
adam@1347	3837 }
adam@1347	3838
adam@1347	3839 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347	3840 return pb.data;
adam@1347	3841 }
adam@1347	3842
adam@1471	3843 static char *old_headers(uw_context ctx) {
adam@1471	3844 if (uw_buffer_used(&ctx->outHeaders) == 0)
adam@1471	3845 return NULL;
adam@1471	3846 else {
adam@1471	3847 char *s = strchr(ctx->outHeaders.start, '\n');
adam@1471	3848
adam@1471	3849 if (s == NULL \|\| strncasecmp(s+1, "Content-type: ", 14))
adam@1471	3850 return NULL;
adam@1471	3851 else {
adam@1471	3852 s = strchr(s+15, '\n');
adam@1471	3853 if (s == NULL)
adam@1471	3854 return NULL;
adam@1471	3855 else
adam@1471	3856 return uw_strdup(ctx, s+1);
adam@1471	3857 }
adam@1471	3858 }
adam@1471	3859 }
adam@1471	3860
adamc@741	3861 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741	3862 cleanup *cl;
adamc@741	3863 int len;
adam@1471	3864 char *oldh;
adamc@741	3865
adam@1451	3866 if (!ctx->allowed_to_return_indirectly)
adam@1451	3867 uw_error(ctx, FATAL, "Tried to return a blob from an RPC");
adam@1451	3868
adamc@1065	3869 ctx->returning_indirectly = 1;
adam@1471	3870 oldh = old_headers(ctx);
adam@1369	3871 uw_buffer_reset(&ctx->outHeaders);
adam@1369	3872 uw_buffer_reset(&ctx->page);
adamc@741	3873
adamc@856	3874 uw_write_header(ctx, on_success);
adamc@856	3875 uw_write_header(ctx, "Content-Type: ");
adamc@741	3876 uw_write_header(ctx, mimeType);
adam@1934	3877 uw_write_header(ctx, "\r\nContent-length: ");
adam@1369	3878 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134	3879 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741	3880 ctx->outHeaders.front += len;
adamc@1066	3881 uw_write_header(ctx, "\r\n");
adam@1471	3882 if (oldh) uw_write_header(ctx, oldh);
adamc@741	3883
adam@1369	3884 ctx_uw_buffer_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741	3885
adamc@741	3886 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741	3887 cl->func(cl->arg);
adamc@741	3888
adamc@741	3889 ctx->cleanup_front = ctx->cleanup;
adamc@741	3890
adamc@1065	3891 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065	3892 }
adamc@1065	3893
adam@2046	3894 void uw_replace_page(uw_context ctx, const char *data, size_t size) {
adam@2046	3895 uw_buffer_reset(&ctx->page);
adam@2046	3896 ctx_uw_buffer_append(ctx, "page", &ctx->page, data, size);
adam@2046	3897 }
adam@2046	3898
adam@1932	3899 __attribute__((noreturn)) void uw_return_blob_from_page(uw_context ctx, uw_Basis_string mimeType) {
adam@1932	3900 cleanup *cl;
adam@1932	3901 int len;
adam@1932	3902 char *oldh;
adam@1932	3903
adam@1932	3904 if (!ctx->allowed_to_return_indirectly)
adam@1932	3905 uw_error(ctx, FATAL, "Tried to return a blob from an RPC");
adam@1932	3906
adam@1932	3907 ctx->returning_indirectly = 1;
adam@1932	3908 oldh = old_headers(ctx);
adam@1932	3909 uw_buffer_reset(&ctx->outHeaders);
adam@1932	3910
adam@1932	3911 uw_write_header(ctx, on_success);
adam@1932	3912 uw_write_header(ctx, "Content-Type: ");
adam@1932	3913 uw_write_header(ctx, mimeType);
adam@1934	3914 uw_write_header(ctx, "\r\nContent-length: ");
adam@1932	3915 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adam@1932	3916 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)uw_buffer_used(&ctx->page), &len);
adam@1932	3917 ctx->outHeaders.front += len;
adam@1932	3918 uw_write_header(ctx, "\r\n");
adam@1932	3919 if (oldh) uw_write_header(ctx, oldh);
adam@1932	3920
adam@1932	3921 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adam@1932	3922 cl->func(cl->arg);
adam@1932	3923
adam@1932	3924 ctx->cleanup_front = ctx->cleanup;
adam@1932	3925
adam@1932	3926 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adam@1932	3927 }
adam@1932	3928
adamc@1065	3929 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065	3930 cleanup *cl;
adamc@1066	3931 char *s;
adam@1471	3932 char *oldh;
adamc@1065	3933
adam@1451	3934 if (!ctx->allowed_to_return_indirectly)
adam@1451	3935 uw_error(ctx, FATAL, "Tried to redirect from an RPC");
adam@1451	3936
adamc@1065	3937 ctx->returning_indirectly = 1;
adam@1471	3938 oldh = old_headers(ctx);
adam@1369	3939 uw_buffer_reset(&ctx->page);
adam@1369	3940 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->outHeaders)+1);
adam@1369	3941 memcpy(ctx->page.start, ctx->outHeaders.start, uw_buffer_used(&ctx->outHeaders));
adam@1369	3942 ctx->page.start[uw_buffer_used(&ctx->outHeaders)] = 0;
adam@1369	3943 uw_buffer_reset(&ctx->outHeaders);
adamc@1065	3944
adam@1409	3945 if (on_success[0])
adam@1409	3946 uw_write_header(ctx, on_redirect);
adam@1409	3947 else
adam@1409	3948 uw_write_header(ctx, "Status: 303 See Other\r\n");
adam@1409	3949 s = on_success[0] ? strchr(ctx->page.start, '\n') : ctx->page.start;
adamc@1066	3950 if (s) {
adamc@1066	3951 char *s2;
adam@1409	3952 if (s[0] == '\n') ++s;
adam@1409	3953 for (; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066	3954 *s2 = 0;
adamc@1066	3955 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066	3956 uw_write_header(ctx, s);
adamc@1066	3957 uw_write_header(ctx, "\n");
adamc@1066	3958 }
adamc@1066	3959 }
adamc@1066	3960 }
adamc@1066	3961
adamc@1065	3962 uw_write_header(ctx, "Location: ");
adamc@1065	3963 uw_write_header(ctx, url);
adamc@1065	3964 uw_write_header(ctx, "\r\n\r\n");
adam@1471	3965 if (oldh) uw_write_header(ctx, oldh);
adamc@1065	3966
adamc@1065	3967 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065	3968 cl->func(cl->arg);
adamc@1065	3969
adamc@1065	3970 ctx->cleanup_front = ctx->cleanup;
adamc@1065	3971
adamc@1065	3972 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741	3973 }
adamc@874	3974
adamc@874	3975 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adam@1467	3976 uw_Basis_string ret = uw_malloc(ctx, strlen(s) + 1), r = ret;
adamc@874	3977
adamc@874	3978 for (; *s; ++s) {
adamc@874	3979 if (s[0] == '\'') {
adamc@874	3980 *r++ = '\'';
adamc@874	3981 for (++s; *s; ++s) {
adamc@874	3982 if (s[0] == '\'') {
adamc@874	3983 *r++ = '\'';
adamc@874	3984 break;
adamc@874	3985 } else if (s[0] == '\\') {
adam@1467	3986 *r++ = '\\';
adam@1467	3987 *r++ = s[1];
adam@1467	3988 ++s;
adamc@874	3989 } else
adamc@874	3990 *r++ = s[0];
adamc@874	3991 }
adamc@874	3992 if (*s == 0) break;
adam@1467	3993 } else if (s[0] == 'T' && s[1] == '_' && s[2] == 'T' && s[3] == '.')
adam@1467	3994 s += 3;
adamc@874	3995 else
adamc@874	3996 *r++ = s[0];
adamc@874	3997 }
adamc@874	3998
adam@1467	3999 *r = 0;
adam@1467	4000 return ret;
adamc@874	4001 }
adamc@874	4002
adamc@922	4003 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922	4004 va_list ap;
adamc@922	4005 size_t len = 1;
adamc@922	4006 char s, r, *s2;
phurst@1981	4007
adamc@922	4008 va_start(ap, ctx);
adamc@922	4009 for (s = va_arg(ap, char); s; s = va_arg(ap, char))
adamc@922	4010 len += strlen(s);
adamc@922	4011 va_end(ap);
adamc@922	4012
adamc@922	4013 r = uw_malloc(ctx, len);
adamc@922	4014 va_start(ap, ctx);
adamc@922	4015 for (s2 = r, s = va_arg(ap, char); s; s = va_arg(ap, char))
adamc@922	4016 while (*s)
adamc@922	4017 s2++ = s++;
adamc@922	4018 va_end(ap);
adamc@922	4019 *s2 = 0;
adamc@922	4020
adamc@922	4021 return r;
adamc@922	4022 }
adamc@1006	4023
adam@1365	4024 const uw_Basis_time uw_Basis_minTime = {};
adamc@1050	4025
adamc@1006	4026 uw_Basis_time uw_Basis_now(uw_context ctx) {
adam@1365	4027 uw_Basis_time r = { time(NULL) };
adam@1365	4028 return r;
adamc@1006	4029 }
adamc@1061	4030
adam@1369	4031 uw_Basis_time uw_Basis_addSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adam@1369	4032 tm.seconds += n;
adam@1365	4033 return tm;
adamc@1138	4034 }
adamc@1138	4035
adam@1514	4036 uw_Basis_int uw_Basis_diffInSeconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1514	4037 return difftime(tm2.seconds, tm1.seconds);
adam@1514	4038 }
adam@1514	4039
adam@1685	4040 uw_Basis_int uw_Basis_toMilliseconds(uw_context ctx, uw_Basis_time tm) {
adam@1685	4041 return tm.seconds * 1000 + tm.microseconds / 1000;
adam@1685	4042 }
adam@1685	4043
adam@1685	4044 uw_Basis_int uw_Basis_diffInMilliseconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1685	4045 return uw_Basis_toMilliseconds(ctx, tm2) - uw_Basis_toMilliseconds(ctx, tm1);
adam@1685	4046 }
adam@1685	4047
adam@1514	4048 uw_Basis_int uw_Basis_toSeconds(uw_context ctx, uw_Basis_time tm) {
adam@1514	4049 return tm.seconds;
adam@1514	4050 }
adam@1514	4051
phurst@1971	4052 uw_Basis_time uw_Basis_fromDatetime(uw_context ctx, uw_Basis_int year, uw_Basis_int month, uw_Basis_int day, uw_Basis_int hour, uw_Basis_int minute, uw_Basis_int second) {
phurst@1971	4053 struct tm tm = { .tm_year = year - 1900, .tm_mon = month, .tm_mday = day,
adam@2015	4054 .tm_hour = hour, .tm_min = minute, .tm_sec = second,
adam@2015	4055 .tm_isdst = -1 };
phurst@1984	4056 uw_Basis_time r = { timelocal(&tm) };
phurst@1971	4057 return r;
phurst@1971	4058 }
phurst@1971	4059
phurst@1971	4060 uw_Basis_int uw_Basis_datetimeYear(uw_context ctx, uw_Basis_time time) {
phurst@1971	4061 struct tm tm;
phurst@1982	4062 localtime_r(&time.seconds, &tm);
phurst@1971	4063 return tm.tm_year + 1900;
phurst@1971	4064 }
phurst@1971	4065
phurst@1971	4066 uw_Basis_int uw_Basis_datetimeMonth(uw_context ctx, uw_Basis_time time) {
phurst@1971	4067 struct tm tm;
phurst@1982	4068 localtime_r(&time.seconds, &tm);
phurst@1971	4069 return tm.tm_mon;
phurst@1971	4070 }
phurst@1971	4071
phurst@1971	4072 uw_Basis_int uw_Basis_datetimeDay(uw_context ctx, uw_Basis_time time) {
phurst@1971	4073 struct tm tm;
phurst@1982	4074 localtime_r(&time.seconds, &tm);
phurst@1971	4075 return tm.tm_mday;
phurst@1971	4076 }
phurst@1971	4077
phurst@1971	4078 uw_Basis_int uw_Basis_datetimeHour(uw_context ctx, uw_Basis_time time) {
phurst@1971	4079 struct tm tm;
phurst@1982	4080 localtime_r(&time.seconds, &tm);
phurst@1971	4081 return tm.tm_hour;
phurst@1971	4082 }
phurst@1971	4083
phurst@1971	4084 uw_Basis_int uw_Basis_datetimeMinute(uw_context ctx, uw_Basis_time time) {
phurst@1971	4085 struct tm tm;
phurst@1982	4086 localtime_r(&time.seconds, &tm);
phurst@1971	4087 return tm.tm_min;
phurst@1971	4088 }
phurst@1971	4089
phurst@1971	4090 uw_Basis_int uw_Basis_datetimeSecond(uw_context ctx, uw_Basis_time time) {
phurst@1971	4091 struct tm tm;
phurst@1982	4092 localtime_r(&time.seconds, &tm);
phurst@1971	4093 return tm.tm_sec;
phurst@1971	4094 }
phurst@1971	4095
phurst@1973	4096 uw_Basis_int uw_Basis_datetimeDayOfWeek(uw_context ctx, uw_Basis_time time) {
phurst@1973	4097 struct tm tm;
phurst@1982	4098 localtime_r(&time.seconds, &tm);
phurst@1973	4099 return tm.tm_wday;
phurst@1973	4100 }
phurst@1971	4101
phurst@1971	4102
adamc@1061	4103 void uw_get_global(uw_context ctx, char name) {
adamc@1061	4104 int i;
adamc@1061	4105
adamc@1061	4106 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061	4107 if (!strcmp(name, ctx->globals[i].name))
adamc@1061	4108 return ctx->globals[i].data;
adamc@1061	4109
adamc@1061	4110 return NULL;
adamc@1061	4111 }
adamc@1061	4112
adamc@1113	4113 size_t uw_globals_max = SIZE_MAX;
adamc@1113	4114
adamc@1061	4115 void uw_set_global(uw_context ctx, char name, void data, void (free)(void)) {
adamc@1061	4116 int i;
adamc@1061	4117
adamc@1061	4118 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061	4119 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089	4120 if (ctx->globals[i].free)
adamc@1061	4121 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061	4122 ctx->globals[i].data = data;
adamc@1061	4123 ctx->globals[i].free = free;
adamc@1061	4124 return;
adamc@1061	4125 }
adamc@1089	4126
adamc@1113	4127 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113	4128 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113	4129
adamc@1061	4130 ++ctx->n_globals;
adamc@1061	4131 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061	4132 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061	4133 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061	4134 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061	4135 }
adamc@1061	4136
adamc@1061	4137 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153	4138 return !!isalnum((int)c);
adamc@1061	4139 }
adamc@1061	4140
adamc@1061	4141 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153	4142 return !!isalpha((int)c);
adamc@1061	4143 }
adamc@1061	4144
adamc@1061	4145 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153	4146 return !!isblank((int)c);
adamc@1061	4147 }
adamc@1061	4148
adamc@1061	4149 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153	4150 return !!iscntrl((int)c);
adamc@1061	4151 }
adamc@1061	4152
adamc@1061	4153 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153	4154 return !!isdigit((int)c);
adamc@1061	4155 }
adamc@1061	4156
adamc@1061	4157 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153	4158 return !!isgraph((int)c);
adamc@1061	4159 }
adamc@1061	4160
adamc@1061	4161 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153	4162 return !!islower((int)c);
adamc@1061	4163 }
adamc@1061	4164
adamc@1061	4165 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153	4166 return !!isprint((int)c);
adamc@1061	4167 }
adamc@1061	4168
adamc@1061	4169 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153	4170 return !!ispunct((int)c);
adamc@1061	4171 }
adamc@1061	4172
adamc@1061	4173 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153	4174 return !!isspace((int)c);
adamc@1061	4175 }
adamc@1063	4176
adamc@1061	4177 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153	4178 return !!isupper((int)c);
adamc@1061	4179 }
adamc@1061	4180
adamc@1061	4181 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153	4182 return !!isxdigit((int)c);
adamc@1061	4183 }
adamc@1061	4184
adamc@1061	4185 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153	4186 return tolower((int)c);
adamc@1061	4187 }
adamc@1061	4188
adamc@1061	4189 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153	4190 return toupper((int)c);
adamc@1061	4191 }
adamc@1066	4192
adamc@1128	4193 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128	4194 return (unsigned char)c;
adamc@1128	4195 }
adamc@1128	4196
adamc@1128	4197 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128	4198 return n;
adamc@1128	4199 }
adamc@1128	4200
adamc@1066	4201 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066	4202 return ctx->current_url;
adamc@1066	4203 }
adamc@1066	4204
adamc@1066	4205 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066	4206 ctx->current_url = s;
adamc@1066	4207 }
adamc@1114	4208
adamc@1114	4209 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114	4210 ctx->deadline = n;
adamc@1114	4211 }
adamc@1114	4212
adamc@1114	4213 void uw_check_deadline(uw_context ctx) {
adamc@1114	4214 if (uw_time > ctx->deadline)
adamc@1114	4215 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114	4216 }
adamc@1115	4217
adamc@1115	4218 size_t uw_database_max = SIZE_MAX;
adamc@1120	4219
adam@1389	4220 uw_Basis_int uw_Basis_naughtyDebug(uw_context ctx, uw_Basis_string s) {
adam@1389	4221 fprintf(stderr, "%s\n", s);
adam@1389	4222 return 0;
adam@1389	4223 }
adam@1389	4224
adamc@1120	4225 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
grrwlf@1997	4226 if (ctx->loggers->log_debug)
grrwlf@1997	4227 ctx->loggers->log_debug(ctx->loggers->logger_data, "%s\n", s);
adam@1334	4228 else
adam@1334	4229 fprintf(stderr, "%s\n", s);
adamc@1120	4230 return uw_unit_v;
adamc@1120	4231 }
adamc@1250	4232
adam@1933	4233 static pthread_mutex_t rand_mutex = PTHREAD_MUTEX_INITIALIZER;
adam@1933	4234
adamc@1250	4235 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adam@1486	4236 uw_Basis_int ret;
adam@1933	4237 pthread_mutex_lock(&rand_mutex);
adam@1486	4238 int r = RAND_bytes((unsigned char *)&ret, sizeof ret);
adam@1933	4239 pthread_mutex_unlock(&rand_mutex);
phurst@1981	4240
adam@1486	4241 if (r)
adam@1486	4242 return abs(ret);
adam@1486	4243 else
adam@1486	4244 uw_error(ctx, FATAL, "Random number generation failed");
adamc@1250	4245 }
adam@1347	4246
adam@1347	4247 void uw_noPostBody(uw_context ctx) {
adam@1347	4248 ctx->hasPostBody = 0;
adam@1347	4249 }
adam@1347	4250
adam@1347	4251 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347	4252 ctx->hasPostBody = 1;
adam@1347	4253 ctx->postBody = pb;
adam@1347	4254 }
adam@1347	4255
adam@1347	4256 int uw_hasPostBody(uw_context ctx) {
adam@1347	4257 return ctx->hasPostBody;
adam@1347	4258 }
adam@1347	4259
adam@1386	4260 void uw_isPost(uw_context ctx) {
adam@1386	4261 ctx->isPost = 1;
adam@1386	4262 }
adam@1386	4263
adam@1386	4264 uw_Basis_bool uw_Basis_currentUrlHasPost(uw_context ctx) {
adam@1386	4265 return ctx->isPost;
adam@1386	4266 }
adam@1386	4267
adam@1485	4268 uw_Basis_bool uw_Basis_currentUrlHasQueryString(uw_context ctx) {
adam@1485	4269 return ctx->queryString != NULL && ctx->queryString[0] != 0;
adam@1485	4270 }
adam@1485	4271
adam@1370	4272 void uw_setQueryString(uw_context ctx, uw_Basis_string s) {
adam@1370	4273 ctx->queryString = s;
adam@1370	4274 }
adam@1370	4275
adam@1370	4276 uw_Basis_string uw_queryString(uw_context ctx) {
adam@1370	4277 return ctx->queryString;
adam@1370	4278 }
adam@1370	4279
adam@1347	4280 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347	4281 if (ctx->hasPostBody)
adam@1347	4282 return ctx->postBody;
adam@1347	4283 else
adam@1347	4284 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347	4285 }
adam@1349	4286
adam@1349	4287 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349	4288 int r = setjmp(ctx->jmp_buf);
adam@1349	4289
adam@1349	4290 if (r == 0) {
adam@1936	4291 uw_ensure_transaction(ctx);
adam@1418	4292
adam@1349	4293 callback(ctx);
adam@1349	4294 }
adam@1349	4295
adam@1349	4296 return r;
adam@1349	4297 }
adam@1360	4298
adam@1360	4299 uw_Basis_string uw_Basis_crypt(uw_context ctx, uw_Basis_string key, uw_Basis_string salt) {
adam@1397	4300 char buf[14];
adam@1397	4301 return uw_strdup(ctx, DES_fcrypt(key, salt, buf));
adam@1360	4302 }
adam@1365	4303
adam@1365	4304 uw_Basis_bool uw_Basis_eq_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365	4305 return !!(t1.seconds == t2.seconds && t1.microseconds == t2.microseconds);
adam@1365	4306 }
adam@1365	4307
adam@1365	4308 uw_Basis_bool uw_Basis_lt_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@2034	4309 return !!(t1.seconds < t2.seconds \|\| (t1.seconds == t2.seconds && t1.microseconds < t2.microseconds));
adam@1365	4310 }
adam@1365	4311
adam@1365	4312 uw_Basis_bool uw_Basis_le_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365	4313 return !!(uw_Basis_eq_time(ctx, t1, t2) \|\| uw_Basis_lt_time(ctx, t1, t2));
adam@1365	4314 }
adam@1365	4315
adam@1372	4316 uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374	4317 struct tm stm = {};
adam@1375	4318 char *end = strchr(s, 0);
adam@1449	4319 stm.tm_isdst = -1;
adam@1375	4320
adam@1632	4321 if (strptime(s, TIME_FMT_PG, &stm) == end \|\| strptime(s, TIME_FMT, &stm) == end \|\| strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1373	4322 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1375	4323
kkallio@1448	4324 r->seconds = timegm(&stm);
adam@1373	4325 r->microseconds = 0;
adam@1373	4326
adam@1373	4327 return r;
adam@1374	4328 }
adam@1374	4329 else
adam@1373	4330 return NULL;
adam@1372	4331 }
adam@1407	4332
adam@1407	4333 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1407	4334 int r = setjmp(ctx->jmp_buf);
adam@1407	4335
adam@1407	4336 if (ctx->app->on_error) {
adam@1407	4337 if (r == 0) {
adam@1936	4338 uw_ensure_transaction(ctx);
adam@1407	4339
adam@1409	4340 uw_buffer_reset(&ctx->outHeaders);
adam@1409	4341 if (on_success[0])
adam@1409	4342 uw_write_header(ctx, "HTTP/1.1 ");
adam@1409	4343 else
adam@1409	4344 uw_write_header(ctx, "Status: ");
adam@1409	4345 uw_write_header(ctx, "500 Internal Server Error\r\n");
adam@1919	4346 uw_write_header(ctx, "Content-type: text/html\r\n");
adam@1956	4347 uw_write(ctx, ctx->app->is_html5 ? uw_begin_html5 : uw_begin_xhtml);
adam@1407	4348 ctx->app->on_error(ctx, msg);
adam@1407	4349 uw_write(ctx, "</html>");
adam@1407	4350 }
adam@1407	4351
adam@1407	4352 return r;
adam@1407	4353 } else
adam@1407	4354 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1407	4355 }
adam@1451	4356
adam@1451	4357 void uw_mayReturnIndirectly(uw_context ctx) {
adam@1451	4358 ctx->allowed_to_return_indirectly = 1;
adam@1451	4359 }
adam@1483	4360
adam@1556	4361 uw_Basis_string uw_Basis_fresh(uw_context ctx) {
adam@1703	4362 int len;
adam@1703	4363 char *r;
adam@1703	4364
adam@1703	4365 uw_check_heap(ctx, 2+INTS_MAX);
adam@1703	4366 r = ctx->heap.front;
adam@1703	4367 sprintf(r, "uw%u%n", ctx->nextId++, &len);
adam@1703	4368 ctx->heap.front += len+1;
adam@1703	4369 return r;
adam@1556	4370 }
adam@1571	4371
adam@1571	4372 uw_Basis_float uw_Basis_floatFromInt(uw_context ctx, uw_Basis_int n) {
adam@1571	4373 return n;
adam@1571	4374 }
adam@1571	4375
adam@1571	4376 uw_Basis_int uw_Basis_ceil(uw_context ctx, uw_Basis_float n) {
adam@1571	4377 return ceil(n);
adam@1571	4378 }
adam@1571	4379
adam@1571	4380 uw_Basis_int uw_Basis_trunc(uw_context ctx, uw_Basis_float n) {
adam@1571	4381 return trunc(n);
adam@1571	4382 }
adam@1571	4383
adam@1571	4384 uw_Basis_int uw_Basis_round(uw_context ctx, uw_Basis_float n) {
adam@1571	4385 return round(n);
adam@1571	4386 }
adam@1755	4387
adam@1755	4388 uw_Basis_string uw_Basis_atom(uw_context ctx, uw_Basis_string s) {
adam@1755	4389 char *p;
adam@1755	4390
adam@1755	4391 for (p = s; *p; ++p) {
adam@1755	4392 char c = *p;
adam@1801	4393 if (!isalnum((int)c) && c != '+' && c != '-' && c != '.' && c != '%' && c != '#')
adam@1755	4394 uw_error(ctx, FATAL, "Disallowed character in CSS atom");
adam@1755	4395 }
adam@1755	4396
adam@1755	4397 return s;
adam@1755	4398 }
adam@1755	4399
adam@1755	4400 uw_Basis_string uw_Basis_css_url(uw_context ctx, uw_Basis_string s) {
adam@1755	4401 char *p;
adam@1755	4402
adam@1755	4403 for (p = s; *p; ++p) {
adam@1755	4404 char c = *p;
adam@1801	4405 if (!isalnum((int)c) && c != ':' && c != '/' && c != '.' && c != '_' && c != '+'
adam@1755	4406 && c != '-' && c != '%' && c != '?' && c != '&' && c != '=' && c != '#')
adam@1755	4407 uw_error(ctx, FATAL, "Disallowed character in CSS URL");
adam@1755	4408 }
adam@1755	4409
adam@1755	4410 return s;
adam@1755	4411 }
adam@1755	4412
adam@1755	4413 uw_Basis_string uw_Basis_property(uw_context ctx, uw_Basis_string s) {
adam@1755	4414 char *p;
adam@1755	4415
adam@1755	4416 if (!*s)
adam@1755	4417 uw_error(ctx, FATAL, "Empty CSS property");
adam@1755	4418
adam@1801	4419 if (!islower((int)s[0]) && s[0] != '_')
adam@1755	4420 uw_error(ctx, FATAL, "Bad initial character in CSS property");
adam@1755	4421
adam@1755	4422 for (p = s; *p; ++p) {
adam@1755	4423 char c = *p;
adam@1801	4424 if (!islower((int)c) && !isdigit((int)c) && c != '_' && c != '-')
adam@1755	4425 uw_error(ctx, FATAL, "Disallowed character in CSS property");
adam@1755	4426 }
adam@1755	4427
adam@1755	4428 return s;
adam@1755	4429 }
adam@1787	4430
adam@1787	4431 uw_Basis_string uw_Basis_fieldName(uw_context ctx, uw_Basis_postField f) {
adam@1787	4432 return f.name;
adam@1787	4433 }
adam@1787	4434
adam@1787	4435 uw_Basis_string uw_Basis_fieldValue(uw_context ctx, uw_Basis_postField f) {
adam@1787	4436 return f.value;
adam@1787	4437 }
adam@1787	4438
adam@1787	4439 uw_Basis_string uw_Basis_remainingFields(uw_context ctx, uw_Basis_postField f) {
adam@1787	4440 return f.remaining;
adam@1787	4441 }
adam@1787	4442
adam@1787	4443 uw_Basis_postField *uw_Basis_firstFormField(uw_context ctx, uw_Basis_string s) {
adam@1788	4444 char *unurl;
adam@1787	4445 uw_Basis_postField *f;
adam@1787	4446
adam@1788	4447 if (!ctx->hasPostBody)
adam@1788	4448 uw_error(ctx, FATAL, "firstFormField called when there is no POST body");
adam@1788	4449
adam@1788	4450 if (s < ctx->postBody.data \|\| s >= ctx->postBody.data + ctx->postBody.len)
adam@1787	4451 return NULL;
adam@1787	4452
adam@1787	4453 f = uw_malloc(ctx, sizeof(uw_Basis_postField));
adam@1788	4454 unurl = s;
adam@1787	4455 f->name = uw_Basis_unurlifyString(ctx, &unurl);
adam@1788	4456 s = strchr(s, 0);
adam@1788	4457 if (!s)
adam@1788	4458 uw_error(ctx, FATAL, "firstFormField: Missing null terminator");
adam@1788	4459 ++s;
adam@1788	4460 unurl = s;
adam@1788	4461 f->value = uw_Basis_unurlifyString(ctx, &unurl);
adam@1788	4462 s = strchr(s, 0);
adam@1788	4463 if (!s)
adam@1788	4464 uw_error(ctx, FATAL, "firstFormField: Missing null terminator");
adam@1788	4465 f->remaining = s+1;
adam@1787	4466
adam@1787	4467 return f;
adam@1787	4468 }
adam@2008	4469
adam@2008	4470 uw_Basis_string uw_Basis_blessData(uw_context ctx, uw_Basis_string s) {
adam@2008	4471 char *p = s;
adam@2008	4472
adam@2008	4473 for (; *p; ++p)
adam@2008	4474 if (!isalnum(p) && p != '-' && *p != '_')
adam@2008	4475 uw_error(ctx, FATAL, "Illegal HTML5 data-* attribute: %s", s);
adam@2008	4476
adam@2008	4477 return s;
adam@2008	4478 }
adam@2073	4479
adam@2073	4480 int uw_remoteSock(uw_context ctx) {
adam@2073	4481 return ctx->remoteSock;
adam@2073	4482 }
adam@2073	4483
adam@2073	4484 void uw_set_remoteSock(uw_context ctx, int sock) {
adam@2073	4485 ctx->remoteSock = sock;
adam@2073	4486 }

Mercurial > urweb

annotate src/c/urweb.c @ 2220:794017f378de