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

annotate src/c/urweb.c @ 1444:0fc7b676b88b

Escape strings as needed in some error messages within urweb.c

author	Adam Chlipala <adam@chlipala.net>
date	Sun, 27 Mar 2011 15:51:37 -0400
parents	6ff10428de4a
children	36f7d1debb37

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

Mercurial > urweb

annotate src/c/urweb.c @ 1444:0fc7b676b88b