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8 nishi 1
/* $Id: server.c 311 2024-10-13 01:23:22Z nishi $ */
2
 
16 nishi 3
#define SOURCE
4
 
43 nishi 5
#include "../config.h"
6
 
8 nishi 7
#include "tw_server.h"
8
 
43 nishi 9
#ifndef NO_SSL
12 nishi 10
#include "tw_ssl.h"
43 nishi 11
#endif
12
 
8 nishi 13
#include "tw_config.h"
16 nishi 14
#include "tw_http.h"
18 nishi 15
#include "tw_module.h"
16
#include "tw_version.h"
8 nishi 17
 
215 nishi 18
#if !defined(_MSC_VER) && !defined(__BORLANDC__)
8 nishi 19
#include <unistd.h>
212 nishi 20
#endif
8 nishi 21
#include <string.h>
11 nishi 22
#include <stdbool.h>
20 nishi 23
#include <stdarg.h>
43 nishi 24
#include <stdio.h>
25
#include <stdlib.h>
84 nishi 26
#include <errno.h>
212 nishi 27
#include <sys/types.h>
21 nishi 28
#include <sys/stat.h>
32 nishi 29
#include <time.h>
8 nishi 30
 
18 nishi 31
#include <cm_string.h>
8 nishi 32
#include <cm_log.h>
21 nishi 33
#include <cm_dir.h>
8 nishi 34
 
311 nishi 35
#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || (defined(__WATCOMC__) && !defined(__OS2__))
255 nishi 36
#ifndef NO_GETNAMEINFO
116 nishi 37
#include <ws2tcpip.h>
38
#include <wspiapi.h>
163 nishi 39
#endif
240 nishi 40
#ifdef USE_WINSOCK1
41
#include <winsock.h>
42
#else
8 nishi 43
#include <winsock2.h>
240 nishi 44
#endif
11 nishi 45
#include <process.h>
62 nishi 46
#include <windows.h>
32 nishi 47
 
48
#include "strptime.h"
216 nishi 49
typedef int socklen_t;
8 nishi 50
#else
118 nishi 51
#ifdef USE_POLL
187 nishi 52
#ifdef __PPU__
53
#include <net/poll.h>
54
#else
118 nishi 55
#include <poll.h>
187 nishi 56
#endif
118 nishi 57
#else
8 nishi 58
#include <sys/select.h>
118 nishi 59
#endif
8 nishi 60
#include <sys/socket.h>
61
#include <arpa/inet.h>
62
#include <netinet/in.h>
187 nishi 63
#ifndef __PPU__
8 nishi 64
#include <netinet/tcp.h>
187 nishi 65
#endif
255 nishi 66
#ifndef NO_GETNAMEINFO
116 nishi 67
#include <netdb.h>
8 nishi 68
#endif
163 nishi 69
#endif
8 nishi 70
 
189 nishi 71
#if defined(_PSP) || defined(__ps2sdk__)
182 nishi 72
#include "strptime.h"
73
#endif
74
 
97 nishi 75
#ifdef __HAIKU__
76
#include <OS.h>
77
#endif
78
 
303 nishi 79
#ifdef __USLC__
80
typedef int socklen_t;
81
#endif
82
 
212 nishi 83
#ifndef S_ISDIR
272 nishi 84
#define S_ISDIR(x) ((x) & _S_IFDIR)
212 nishi 85
#endif
86
 
8 nishi 87
extern struct tw_config config;
18 nishi 88
extern char tw_server[];
8 nishi 89
 
90
int sockcount = 0;
91
 
9 nishi 92
SOCKADDR addresses[MAX_PORTS];
93
int sockets[MAX_PORTS];
8 nishi 94
 
219 nishi 95
#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
70 nishi 96
const char* reserved_names[] = {"CON", "PRN", "AUX", "NUL", "COM1", "COM2", "COM3", "COM4", "COM5", "COM6", "COM7", "COM8", "COM9", "LPT1", "LPT2", "LPT3", "LPT4", "LPT5", "LPT6", "LPT7", "LPT8", "LPT9"};
97
#endif
98
 
23 nishi 99
/* https://qiita.com/gyu-don/items/5a640c6d2252a860c8cd */
100
int tw_wildcard_match(const char* wildcard, const char* target) {
101
	const char *pw = wildcard, *pt = target;
102
 
103
	while(1) {
104
		if(*pt == 0) {
105
			while(*pw == '*') pw++;
106
			return *pw == 0;
107
		} else if(*pw == 0) {
108
			return 0;
109
		} else if(*pw == '*') {
110
			return *(pw + 1) == 0 || tw_wildcard_match(pw, pt + 1) || tw_wildcard_match(pw + 1, pt);
111
		} else if(*pw == '?' || (*pw == *pt)) {
112
			pw++;
113
			pt++;
114
			continue;
115
		} else {
116
			return 0;
117
		}
118
	}
119
}
120
 
8 nishi 121
void close_socket(int sock) {
219 nishi 122
#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
8 nishi 123
	closesocket(sock);
124
#else
125
	close(sock);
126
#endif
127
}
128
 
129
int tw_server_init(void) {
130
	int i;
219 nishi 131
#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
8 nishi 132
	WSADATA wsa;
240 nishi 133
#ifdef USE_WINSOCK1
134
	WSAStartup(MAKEWORD(1, 1), &wsa);
135
#else
8 nishi 136
	WSAStartup(MAKEWORD(2, 0), &wsa);
137
#endif
240 nishi 138
#endif
8 nishi 139
	for(i = 0; config.ports[i] != -1; i++)
140
		;
141
	sockcount = i;
142
	for(i = 0; config.ports[i] != -1; i++) {
212 nishi 143
		int yes = 1;
144
		int no = 0;
8 nishi 145
#ifdef NO_IPV6
146
		int sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
147
#else
148
		int sock = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
149
#endif
215 nishi 150
#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__)
8 nishi 151
		if(sock == INVALID_SOCKET)
152
#else
153
		if(sock < 0)
154
#endif
155
		{
156
			cm_log("Server", "Socket creation failure");
157
			return 1;
158
		}
159
		if(setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(yes)) < 0) {
160
			close_socket(sock);
161
			cm_log("Server", "setsockopt failure (reuseaddr)");
162
			return 1;
163
		}
275 nishi 164
#if !defined(__PPU__) && !defined(__minix)
8 nishi 165
		if(setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(yes)) < 0) {
166
			close_socket(sock);
167
			cm_log("Server", "setsockopt failure (nodelay)");
168
			return 1;
169
		}
187 nishi 170
#endif
8 nishi 171
#ifndef NO_IPV6
172
		if(setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&no, sizeof(no)) < 0) {
173
			close_socket(sock);
174
			cm_log("Server", "setsockopt failure (IPv6)");
175
			return 1;
176
		}
177
#endif
178
		memset(&addresses[i], 0, sizeof(addresses[i]));
179
#ifdef NO_IPV6
180
		addresses[i].sin_family = AF_INET;
181
		addresses[i].sin_addr.s_addr = INADDR_ANY;
214 nishi 182
		addresses[i].sin_port = htons(config.ports[i] & 0xffff);
8 nishi 183
#else
184
		addresses[i].sin6_family = AF_INET6;
185
		addresses[i].sin6_addr = in6addr_any;
214 nishi 186
		addresses[i].sin6_port = htons(config.ports[i] & 0xffff);
8 nishi 187
#endif
188
		if(bind(sock, (struct sockaddr*)&addresses[i], sizeof(addresses[i])) < 0) {
189
			close_socket(sock);
190
			cm_log("Server", "Bind failure");
191
			return 1;
192
		}
193
		if(listen(sock, 128) < 0) {
194
			close_socket(sock);
195
			cm_log("Server", "Listen failure");
196
			return 1;
197
		}
198
		sockets[i] = sock;
199
	}
200
	return 0;
201
}
9 nishi 202
 
16 nishi 203
size_t tw_read(SSL* ssl, int s, void* data, size_t len) {
43 nishi 204
#ifndef NO_SSL
16 nishi 205
	if(ssl == NULL) {
206
		return recv(s, data, len, 0);
207
	} else {
208
		return SSL_read(ssl, data, len);
209
	}
43 nishi 210
#else
211
	return recv(s, data, len, 0);
212
#endif
16 nishi 213
}
214
 
215
size_t tw_write(SSL* ssl, int s, void* data, size_t len) {
43 nishi 216
#ifndef NO_SSL
16 nishi 217
	if(ssl == NULL) {
218
		return send(s, data, len, 0);
219
	} else {
220
		return SSL_write(ssl, data, len);
221
	}
43 nishi 222
#else
223
	return send(s, data, len, 0);
224
#endif
16 nishi 225
}
226
 
20 nishi 227
#define ERROR_HTML \
18 nishi 228
	"<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n" \
229
	"<html>\n" \
230
	"	<head>\n" \
20 nishi 231
	"		<title>%s</title>\n" \
18 nishi 232
	"	</head>\n" \
233
	"	<body>\n" \
20 nishi 234
	"		<h1>%s</h1>\n" \
18 nishi 235
	"		<hr>\n" \
236
	"		", \
237
	    address, \
238
	    "\n" \
239
	    "	</body>\n" \
240
	    "</html>\n"
241
 
32 nishi 242
void _tw_process_page(SSL* ssl, int sock, const char* status, const char* type, FILE* f, const unsigned char* doc, size_t size, char** headers, time_t mtime, time_t cmtime) {
18 nishi 243
	char construct[512];
212 nishi 244
	size_t incr;
32 nishi 245
	if(mtime != 0 && cmtime != 0 && mtime <= cmtime) {
246
		status = "304 Not Modified";
247
		type = NULL;
248
		size = 0;
249
		headers = NULL;
250
		f = NULL;
251
		doc = NULL;
252
	}
215 nishi 253
#if defined(_MSC_VER) || defined(__BORLANDC__)
212 nishi 254
	sprintf(construct, "%lu", (unsigned long)size);
255
#else
18 nishi 256
	sprintf(construct, "%llu", (unsigned long long)size);
212 nishi 257
#endif
18 nishi 258
	tw_write(ssl, sock, "HTTP/1.1 ", 9);
259
	tw_write(ssl, sock, (char*)status, strlen(status));
260
	tw_write(ssl, sock, "\r\n", 2);
24 nishi 261
	if(type != NULL) {
262
		tw_write(ssl, sock, "Content-Type: ", 7 + 5 + 2);
263
		tw_write(ssl, sock, (char*)type, strlen(type));
264
		tw_write(ssl, sock, "\r\n", 2);
265
	}
18 nishi 266
	tw_write(ssl, sock, "Server: ", 6 + 2);
267
	tw_write(ssl, sock, tw_server, strlen(tw_server));
268
	tw_write(ssl, sock, "\r\n", 2);
24 nishi 269
	if(size != 0) {
270
		tw_write(ssl, sock, "Content-Length: ", 7 + 7 + 2);
271
		tw_write(ssl, sock, construct, strlen(construct));
272
		tw_write(ssl, sock, "\r\n", 2);
32 nishi 273
		if(mtime != 0) {
274
			struct tm* tm = gmtime(&mtime);
275
			char date[513];
276
			strftime(date, 512, "%a, %d %b %Y %H:%M:%S GMT", tm);
277
			tw_write(ssl, sock, "Last-Modified: ", 5 + 8 + 2);
278
			tw_write(ssl, sock, date, strlen(date));
279
			tw_write(ssl, sock, "\r\n", 2);
280
		}
24 nishi 281
	}
282
	if(headers != NULL) {
212 nishi 283
		int i;
24 nishi 284
		for(i = 0; headers[i] != NULL; i += 2) {
285
			tw_write(ssl, sock, headers[i], strlen(headers[i]));
286
			tw_write(ssl, sock, ": ", 2);
287
			tw_write(ssl, sock, headers[i + 1], strlen(headers[i + 1]));
288
			tw_write(ssl, sock, "\r\n", 2);
289
		}
290
	}
18 nishi 291
	tw_write(ssl, sock, "\r\n", 2);
24 nishi 292
	if(doc == NULL && f == NULL) return;
212 nishi 293
	incr = 0;
18 nishi 294
	while(1) {
22 nishi 295
		if(f != NULL) {
21 nishi 296
			char buffer[128];
297
			fread(buffer, size < 128 ? size : 128, 1, f);
298
			tw_write(ssl, sock, buffer, size < 128 ? size : 128);
22 nishi 299
		} else {
21 nishi 300
			tw_write(ssl, sock, (unsigned char*)doc + incr, size < 128 ? size : 128);
301
		}
18 nishi 302
		incr += 128;
19 nishi 303
		if(size <= 128) break;
18 nishi 304
		size -= 128;
305
	}
306
}
307
 
32 nishi 308
void tw_process_page(SSL* ssl, int sock, const char* status, const char* type, FILE* f, const unsigned char* doc, size_t size, time_t mtime, time_t cmtime) { _tw_process_page(ssl, sock, status, type, f, doc, size, NULL, mtime, cmtime); }
24 nishi 309
 
18 nishi 310
const char* tw_http_status(int code) {
20 nishi 311
	if(code == 200) {
312
		return "200 OK";
166 nishi 313
	} else if(code == 301) {
167 nishi 314
		return "301 Moved Permanently";
24 nishi 315
	} else if(code == 308) {
316
		return "308 Permanent Redirect";
20 nishi 317
	} else if(code == 400) {
18 nishi 318
		return "400 Bad Request";
20 nishi 319
	} else if(code == 401) {
320
		return "401 Unauthorized";
321
	} else if(code == 403) {
322
		return "403 Forbidden";
323
	} else if(code == 404) {
324
		return "404 Not Found";
161 nishi 325
	} else if(code == 500) {
326
		return "500 Internal Server Error";
18 nishi 327
	} else {
328
		return "400 Bad Request";
329
	}
330
}
331
 
123 nishi 332
char* tw_http_default_error(int code, char* name, int port, struct tw_config_entry* vhost) {
18 nishi 333
	char address[1024];
212 nishi 334
	char* st;
335
	char* st2;
336
	char* buffer;
337
	char* str;
338
	int i;
20 nishi 339
 
123 nishi 340
	if((vhost->hideport == -1 ? config.root.hideport : vhost->hideport) == 1) {
341
		sprintf(address, "<address>%s Server at %s</address>", tw_server, name, port);
342
	} else {
343
		sprintf(address, "<address>%s Server at %s Port %d</address>", tw_server, name, port);
344
	}
345
 
212 nishi 346
	st = cm_strdup(tw_http_status(code));
20 nishi 347
	for(i = 0; st[i] != 0; i++) {
348
		if(st[i] == ' ') {
349
			st2 = cm_strdup(st + i + 1);
350
			break;
351
		}
18 nishi 352
	}
212 nishi 353
	buffer = malloc(4096);
354
	str = cm_strcat3(ERROR_HTML);
20 nishi 355
	sprintf(buffer, str, st, st2);
356
	free(str);
357
	free(st);
358
	return buffer;
18 nishi 359
}
360
 
123 nishi 361
void tw_http_error(SSL* ssl, int sock, int error, char* name, int port, struct tw_config_entry* vhost) {
362
	char* str = tw_http_default_error(error, name, port, vhost);
32 nishi 363
	tw_process_page(ssl, sock, tw_http_status(error), "text/html", NULL, str, strlen(str), 0, 0);
18 nishi 364
	free(str);
365
}
366
 
20 nishi 367
void addstring(char** str, const char* add, ...) {
368
	int i;
369
	char cbuf[2];
212 nishi 370
	va_list va;
20 nishi 371
	cbuf[1] = 0;
372
	va_start(va, add);
373
	for(i = 0; add[i] != 0; i++) {
374
		cbuf[0] = add[i];
375
		if(add[i] == '%') {
376
			i++;
377
			if(add[i] == 's') {
378
				char* tmp = *str;
379
				*str = cm_strcat(tmp, va_arg(va, const char*));
380
				free(tmp);
381
			} else if(add[i] == 'h') {
382
				char* h = cm_html_escape(va_arg(va, const char*));
383
				char* tmp = *str;
384
				*str = cm_strcat(tmp, h);
385
				free(tmp);
386
				free(h);
21 nishi 387
			} else if(add[i] == 'l') {
388
				char* h = cm_url_escape(va_arg(va, const char*));
389
				char* tmp = *str;
390
				*str = cm_strcat(tmp, h);
391
				free(tmp);
392
				free(h);
20 nishi 393
			} else if(add[i] == 'd') {
394
				int n = va_arg(va, int);
395
				char* h = malloc(512);
212 nishi 396
				char* tmp = *str;
20 nishi 397
				sprintf(h, "%d", n);
398
				*str = cm_strcat(tmp, h);
399
				free(tmp);
400
				free(h);
401
			} else if(add[i] == '%') {
402
				char* tmp = *str;
403
				*str = cm_strcat(tmp, "%");
404
				free(tmp);
405
			}
406
		} else {
407
			char* tmp = *str;
408
			*str = cm_strcat(tmp, cbuf);
409
			free(tmp);
410
		}
411
	}
74 nishi 412
	va_end(va);
20 nishi 413
}
414
 
22 nishi 415
char* tw_get_mime(const char* ext, struct tw_config_entry* vhost_entry) {
416
	char* mime = "application/octet-stream";
417
	bool set = false;
418
	int i;
212 nishi 419
	if(ext == NULL) return mime;
22 nishi 420
	for(i = 0; i < vhost_entry->mime_count; i++) {
23 nishi 421
		if(strcmp(vhost_entry->mimes[i].ext, "all") == 0 || (ext != NULL && tw_wildcard_match(vhost_entry->mimes[i].ext, ext))) {
22 nishi 422
			mime = vhost_entry->mimes[i].mime;
423
			set = true;
424
		}
425
	}
426
	if(!set) {
427
		for(i = 0; i < config.root.mime_count; i++) {
23 nishi 428
			if(strcmp(config.root.mimes[i].ext, "all") == 0 || (ext != NULL && tw_wildcard_match(config.root.mimes[i].ext, ext))) {
22 nishi 429
				mime = config.root.mimes[i].mime;
430
			}
431
		}
432
	}
433
	return mime;
434
}
435
 
436
char* tw_get_icon(const char* mime, struct tw_config_entry* vhost_entry) {
437
	char* icon = "";
438
	bool set = false;
439
	int i;
212 nishi 440
	if(mime == NULL) return "";
22 nishi 441
	for(i = 0; i < vhost_entry->icon_count; i++) {
23 nishi 442
		if(strcmp(vhost_entry->icons[i].mime, "all") == 0 || (mime != NULL && tw_wildcard_match(vhost_entry->icons[i].mime, mime))) {
22 nishi 443
			icon = vhost_entry->icons[i].icon;
444
			set = true;
445
		}
446
	}
447
	if(!set) {
448
		for(i = 0; i < config.root.icon_count; i++) {
23 nishi 449
			if(strcmp(config.root.icons[i].mime, "all") == 0 || (mime != NULL && tw_wildcard_match(config.root.icons[i].mime, mime))) {
22 nishi 450
				icon = config.root.icons[i].icon;
451
			}
452
		}
453
	}
454
	return icon;
455
}
456
 
11 nishi 457
struct pass_entry {
458
	int sock;
12 nishi 459
	int port;
11 nishi 460
	bool ssl;
21 nishi 461
	SOCKADDR addr;
11 nishi 462
};
463
 
219 nishi 464
#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
216 nishi 465
#define NO_RETURN_THREAD
215 nishi 466
void tw_server_pass(void* ptr) {
97 nishi 467
#elif defined(__HAIKU__)
468
int32_t tw_server_pass(void* ptr) {
187 nishi 469
#elif defined(_PSP) || defined(__PPU__)
183 nishi 470
int tw_server_pass(void* ptr) {
105 nishi 471
#endif
219 nishi 472
#if defined(__HAIKU__) || defined(__MINGW32__) || defined(_PSP) || defined(__PPU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
212 nishi 473
#define FREE_PTR
11 nishi 474
	int sock = ((struct pass_entry*)ptr)->sock;
475
	bool ssl = ((struct pass_entry*)ptr)->ssl;
14 nishi 476
	int port = ((struct pass_entry*)ptr)->port;
21 nishi 477
	SOCKADDR addr = ((struct pass_entry*)ptr)->addr;
11 nishi 478
#else
216 nishi 479
#define NO_RETURN_THREAD
105 nishi 480
	void tw_server_pass(int sock, bool ssl, int port, SOCKADDR addr) {
11 nishi 481
#endif
212 nishi 482
	SSL* s = NULL;
43 nishi 483
#ifndef NO_SSL
12 nishi 484
	SSL_CTX* ctx = NULL;
15 nishi 485
	bool sslworks = false;
12 nishi 486
	if(ssl) {
487
		ctx = tw_create_ssl_ctx(port);
488
		s = SSL_new(ctx);
489
		SSL_set_fd(s, sock);
490
		if(SSL_accept(s) <= 0) goto cleanup;
15 nishi 491
		sslworks = true;
12 nishi 492
	}
43 nishi 493
#endif
212 nishi 494
	char* name = config.hostname;
116 nishi 495
	char address[513];
212 nishi 496
	int ret;
497
	struct tw_http_request req;
498
	struct tw_http_response res;
499
	struct tw_tool tools;
255 nishi 500
	char* addrstr;
501
#ifndef NO_GETNAMEINFO
116 nishi 502
	struct sockaddr* sa = (struct sockaddr*)&addr;
503
	getnameinfo(sa, sizeof(addr), address, 512, NULL, 0, NI_NUMERICHOST);
257 nishi 504
#else
505
		addrstr = inet_ntoa(addr.sin_addr);
506
		strcpy(address, addrstr);
507
		address[strlen(addrstr)] = 0;
163 nishi 508
#endif
212 nishi 509
#ifdef FREE_PTR
510
	free(ptr);
511
#endif
116 nishi 512
 
20 nishi 513
	res._processed = false;
514
	tw_init_tools(&tools);
212 nishi 515
	ret = tw_http_parse(s, sock, &req);
17 nishi 516
	if(ret == 0) {
116 nishi 517
		char date[513];
518
		time_t t = time(NULL);
519
		struct tm* tm = localtime(&t);
212 nishi 520
		char* useragent = cm_strdup("");
521
		int i;
522
		char* tmp;
523
		char* tmp2;
524
		char* tmp3;
525
		char* tmp4;
526
		char* tmp5;
527
		char* log;
528
		char* vhost;
529
		time_t cmtime;
530
		bool rej;
531
		char* host;
532
		int port;
293 nishi 533
		char* chrootpath;
212 nishi 534
		struct tw_config_entry* vhost_entry;
116 nishi 535
		strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
536
 
117 nishi 537
		for(i = 0; req.headers[i] != NULL; i += 2) {
538
			if(cm_strcaseequ(req.headers[i], "User-Agent")) {
116 nishi 539
				free(useragent);
540
				useragent = cm_strdup(req.headers[i + 1]);
541
			}
542
		}
543
 
212 nishi 544
		tmp = cm_strcat3(address, " - [", date);
545
		tmp2 = cm_strcat3(tmp, "] \"", req.method);
546
		tmp3 = cm_strcat3(tmp2, " ", req.path);
547
		tmp4 = cm_strcat3(tmp3, " ", req.version);
548
		tmp5 = cm_strcat3(tmp4, "\" \"", useragent);
549
		log = cm_strcat(tmp5, "\"");
116 nishi 550
		free(tmp);
551
		free(tmp2);
552
		free(tmp3);
553
		free(tmp4);
554
		free(tmp5);
555
		free(useragent);
556
		cm_force_log(log);
557
		free(log);
558
 
212 nishi 559
		vhost = cm_strdup(config.hostname);
560
		cmtime = 0;
70 nishi 561
		if(req.headers != NULL) {
64 nishi 562
			for(i = 0; req.headers[i] != NULL; i += 2) {
563
				if(cm_strcaseequ(req.headers[i], "Host")) {
564
					free(vhost);
565
					vhost = cm_strdup(req.headers[i + 1]);
566
				} else if(cm_strcaseequ(req.headers[i], "If-Modified-Since")) {
567
					struct tm tm;
212 nishi 568
					time_t t;
569
					struct tm* btm;
64 nishi 570
					strptime(req.headers[i + 1], "%a, %d %b %Y %H:%M:%S GMT", &tm);
304 nishi 571
#if defined(__MINGW32__) || defined(_PSP) || defined(__PPU__) || defined(__ps2sdk__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__) || defined(__USLC__)
212 nishi 572
					t = 0;
573
					btm = localtime(&t);
64 nishi 574
					cmtime = mktime(&tm);
575
					cmtime -= (btm->tm_hour * 60 + btm->tm_min) * 60;
32 nishi 576
#else
140 nishi 577
						cmtime = timegm(&tm);
32 nishi 578
#endif
64 nishi 579
				}
21 nishi 580
			}
581
		}
212 nishi 582
		rej = false;
21 nishi 583
		cm_log("Server", "Host is %s", vhost);
212 nishi 584
		port = s == NULL ? 80 : 443;
585
		host = cm_strdup(vhost);
22 nishi 586
		for(i = 0; vhost[i] != 0; i++) {
587
			if(vhost[i] == ':') {
21 nishi 588
				host[i] = 0;
589
				port = atoi(host + i + 1);
590
				break;
591
			}
592
		}
136 nishi 593
		name = host;
21 nishi 594
		cm_log("Server", "Hostname is `%s', port is `%d'", host, port);
212 nishi 595
		vhost_entry = tw_vhost_match(host, port);
161 nishi 596
#ifdef HAS_CHROOT
293 nishi 597
		chrootpath = vhost_entry->chroot_path != NULL ? vhost_entry->chroot_path : config.root.chroot_path;
161 nishi 598
		if(chrootpath != NULL) {
599
			if(chdir(chrootpath) == 0) {
600
				if(chroot(".") == 0) {
601
					cm_log("Server", "Chroot successful");
602
				}
603
			} else {
604
				cm_log("Server", "chdir() failed, cannot chroot");
605
				tw_http_error(s, sock, 500, name, port, vhost_entry);
606
				rej = true;
607
			}
608
		}
609
#endif
20 nishi 610
		for(i = 0; i < config.module_count; i++) {
611
			tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "mod_request");
612
			if(mod_req != NULL) {
613
				int ret = mod_req(&tools, &req, &res);
614
				int co = ret & 0xff;
141 nishi 615
				if(co == _TW_MODULE_PASS) {
616
					continue;
617
				} else if(co == _TW_MODULE_STOP) {
618
					/* Handle response here ... */
20 nishi 619
					res._processed = true;
620
					break;
141 nishi 621
				} else if(co == _TW_MODULE_STOP2) {
622
					res._processed = true;
623
					break;
624
				} else if(co == _TW_MODULE_ERROR) {
123 nishi 625
					tw_http_error(s, sock, (ret & 0xffff00) >> 8, name, port, vhost_entry);
20 nishi 626
					break;
627
				}
628
			}
629
		}
630
		if(!res._processed) {
212 nishi 631
			char* path;
632
			char* rpath;
633
			struct stat st;
215 nishi 634
			char* slash;
21 nishi 635
			cm_log("Server", "Document root is %s", vhost_entry->root == NULL ? "not set" : vhost_entry->root);
212 nishi 636
			path = cm_strcat(vhost_entry->root == NULL ? "" : vhost_entry->root, req.path);
21 nishi 637
			cm_log("Server", "Filesystem path is %s", path);
219 nishi 638
#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
216 nishi 639
			for(i = strlen(path) - 1; i >= 0; i--) {
640
				if(path[i] == '/') {
215 nishi 641
					path[i] = 0;
216 nishi 642
				} else {
215 nishi 643
					break;
644
				}
645
			}
646
#endif
219 nishi 647
#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
212 nishi 648
			rpath = cm_strdup(path);
72 nishi 649
			for(i = strlen(rpath) - 1; i >= 0; i--) {
73 nishi 650
				if(rpath[i] == '/') {
651
					int j;
652
					for(j = i + 1; rpath[j] != 0; j++) {
653
						if(rpath[j] == ':' || rpath[j] == '.') {
654
							rpath[j] = 0;
655
							break;
656
						}
657
					}
71 nishi 658
					break;
659
				}
660
			}
70 nishi 661
			for(i = 0; i < sizeof(reserved_names) / sizeof(reserved_names[0]); i++) {
662
				char* n = cm_strcat("/", reserved_names[i]);
71 nishi 663
				if(cm_nocase_endswith(rpath, n)) {
124 nishi 664
					tw_http_error(s, sock, 403, name, port, vhost_entry);
70 nishi 665
					free(n);
666
					rej = true;
667
					cm_log("Server", "XP Patch ; rejecting access to device");
668
					break;
669
				}
670
				free(n);
671
			}
71 nishi 672
			free(rpath);
70 nishi 673
#endif
674
			if(!rej && stat(path, &st) == 0) {
22 nishi 675
				if(!tw_permission_allowed(path, addr, req, vhost_entry)) {
123 nishi 676
					tw_http_error(s, sock, 403, name, port, vhost_entry);
22 nishi 677
				} else if(S_ISDIR(st.st_mode)) {
24 nishi 678
					if(req.path[strlen(req.path) - 1] != '/') {
215 nishi 679
						char* headers[3] = {"Location", NULL, NULL};
680
						headers[1] = cm_strcat(req.path, "/");
61 nishi 681
						cm_log("Server", "Accessing directory without the slash at the end");
166 nishi 682
						_tw_process_page(s, sock, tw_http_status(301), NULL, NULL, NULL, 0, headers, 0, 0);
24 nishi 683
						free(headers[1]);
684
					} else {
685
						char** indexes = vhost_entry->index_count == 0 ? config.root.indexes : vhost_entry->indexes;
686
						int index_count = vhost_entry->index_count == 0 ? config.root.index_count : vhost_entry->index_count;
687
						bool found = false;
688
						for(i = 0; i < index_count; i++) {
689
							char* p = cm_strcat3(path, "/", indexes[i]);
690
							FILE* f = fopen(p, "rb");
691
							if(f != NULL) {
692
								char* ext = NULL;
693
								int j;
212 nishi 694
								struct stat st;
695
								char* mime;
24 nishi 696
								for(j = strlen(p) - 1; j >= 0; j--) {
697
									if(p[j] == '.') {
698
										ext = cm_strdup(p + j);
699
										break;
700
									} else if(p[j] == '/') {
701
										break;
702
									}
22 nishi 703
								}
24 nishi 704
								stat(p, &st);
212 nishi 705
								mime = tw_get_mime(ext, vhost_entry);
32 nishi 706
								tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, 0, 0);
24 nishi 707
								fclose(f);
74 nishi 708
								if(ext != NULL) free(ext);
24 nishi 709
								free(p);
710
								found = true;
711
								break;
22 nishi 712
							}
24 nishi 713
							free(p);
714
						}
715
						if(!found) {
716
							char* str = malloc(1);
212 nishi 717
							char** items;
718
							int readme;
719
							char** readmes;
720
							int readme_count;
721
							int hp;
24 nishi 722
							str[0] = 0;
212 nishi 723
							items = cm_scandir(path);
122 nishi 724
							addstring(&str, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n");
24 nishi 725
							addstring(&str, "<html>\n");
726
							addstring(&str, "	<head>\n");
727
							addstring(&str, "		<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n");
122 nishi 728
							addstring(&str, "		<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n");
24 nishi 729
							addstring(&str, "		<title>Index of %h</title>\n", req.path);
730
							addstring(&str, "	</head>\n");
731
							addstring(&str, "	<body>\n");
732
							addstring(&str, "		<h1>Index of %h</h1>\n", req.path);
733
							addstring(&str, "		<hr>\n");
734
							addstring(&str, "		<table border=\"0\">\n");
735
							addstring(&str, "			<tr>\n");
736
							addstring(&str, "				<th></th>\n");
737
							addstring(&str, "				<th>Filename</th>\n");
28 nishi 738
							addstring(&str, "				<th>MIME</th>\n");
739
							addstring(&str, "				<th>Size</th>\n");
24 nishi 740
							addstring(&str, "			</tr>\n");
212 nishi 741
							readme = -1;
742
							readmes = vhost_entry->readme_count == 0 ? config.root.readmes : vhost_entry->readmes;
743
							readme_count = vhost_entry->readme_count == 0 ? config.root.readme_count : vhost_entry->readme_count;
24 nishi 744
							if(items != NULL) {
29 nishi 745
								int phase = 0;
746
							doit:
24 nishi 747
								for(i = 0; items[i] != NULL; i++) {
33 nishi 748
									int j;
212 nishi 749
									char* ext;
750
									char* itm;
751
									char* icon;
28 nishi 752
									char* fpth = cm_strcat3(path, "/", items[i]);
753
									struct stat s;
754
									char size[512];
212 nishi 755
									char* showmime;
756
									char* mime;
28 nishi 757
									size[0] = 0;
758
									stat(fpth, &s);
29 nishi 759
									if(phase == 0 && !S_ISDIR(s.st_mode)) {
760
										free(fpth);
761
										continue;
762
									} else if(phase == 1 && S_ISDIR(s.st_mode)) {
763
										free(fpth);
764
										continue;
765
									}
33 nishi 766
									if(readme == -1) {
767
										for(j = 0; j < readme_count; j++) {
768
											if(strcmp(items[i], readmes[j]) == 0) {
769
												readme = j;
770
												break;
771
											}
772
										}
773
										if(readme != -1) {
774
											free(fpth);
775
											continue;
776
										}
777
									}
212 nishi 778
									if(s.st_size < NUM1024) {
31 nishi 779
										sprintf(size, "%d", (int)s.st_size);
212 nishi 780
									} else if(s.st_size < NUM1024 * 1024) {
29 nishi 781
										sprintf(size, "%.1fK", (double)s.st_size / 1024);
212 nishi 782
									} else if(s.st_size < NUM1024 * 1024 * 1024) {
29 nishi 783
										sprintf(size, "%.1fM", (double)s.st_size / 1024 / 1024);
212 nishi 784
									} else if(s.st_size < NUM1024 * 1024 * 1024 * 1024) {
29 nishi 785
										sprintf(size, "%.1fG", (double)s.st_size / 1024 / 1024 / 1024);
212 nishi 786
									} else if(s.st_size < NUM1024 * 1024 * 1024 * 1024 * 1024) {
29 nishi 787
										sprintf(size, "%.1fT", (double)s.st_size / 1024 / 1024 / 1024 / 1024);
28 nishi 788
									}
789
 
790
									free(fpth);
791
 
212 nishi 792
									ext = NULL;
24 nishi 793
									for(j = strlen(items[i]) - 1; j >= 0; j--) {
794
										if(items[i][j] == '.') {
795
											ext = cm_strdup(items[i] + j);
796
											break;
797
										} else if(items[i][j] == '/') {
798
											break;
799
										}
800
									}
212 nishi 801
									showmime = "";
802
									mime = tw_get_mime(ext, vhost_entry);
24 nishi 803
									if(strcmp(items[i], "../") == 0) {
804
										mime = "misc/parent";
29 nishi 805
										size[0] = 0;
24 nishi 806
									} else if(items[i][strlen(items[i]) - 1] == '/') {
807
										mime = "misc/dir";
29 nishi 808
										size[0] = 0;
809
									} else {
28 nishi 810
										showmime = mime;
24 nishi 811
									}
212 nishi 812
									icon = tw_get_icon(mime, vhost_entry);
24 nishi 813
									if(ext != NULL) free(ext);
212 nishi 814
									itm = cm_strdup(items[i]);
24 nishi 815
									if(strlen(itm) >= 32) {
816
										if(itm[strlen(itm) - 1] == '/') {
817
											itm[31] = 0;
818
											itm[30] = '/';
819
											itm[29] = '.';
820
											itm[28] = '.';
821
											itm[27] = '.';
822
										} else {
823
											itm[31] = 0;
824
											itm[30] = '.';
825
											itm[29] = '.';
826
											itm[28] = '.';
827
										}
828
									}
829
									addstring(&str, "<tr>\n");
830
									addstring(&str, "	<td><img src=\"%s\" alt=\"icon\"></td>\n", icon);
831
									addstring(&str, "	<td><a href=\"%l\"><code>%h</code></a></td>\n", items[i], itm);
60 nishi 832
									addstring(&str, "	<td><code>  %h  </code></td>\n", showmime);
833
									addstring(&str, "	<td><code>  %s  </code></td>\n", size);
24 nishi 834
									addstring(&str, "</tr>\n");
835
									free(itm);
22 nishi 836
								}
29 nishi 837
								phase++;
838
								if(phase != 2) goto doit;
839
								for(i = 0; items[i] != NULL; i++) free(items[i]);
840
								free(items);
22 nishi 841
							}
24 nishi 842
							addstring(&str, "		</table>\n");
33 nishi 843
							if(readme != -1) {
212 nishi 844
								struct stat s;
845
								FILE* fr;
846
								char* fpth;
33 nishi 847
								addstring(&str, "<hr>\n");
212 nishi 848
								fpth = cm_strcat3(path, "/", readmes[readme]);
33 nishi 849
								stat(fpth, &s);
212 nishi 850
								fr = fopen(fpth, "r");
33 nishi 851
								if(fr != NULL) {
852
									char* rmbuf = malloc(s.st_size + 1);
853
									rmbuf[s.st_size] = 0;
854
									fread(rmbuf, s.st_size, 1, fr);
855
									addstring(&str, "<pre><code>%h</code></pre>\n", rmbuf);
856
									fclose(fr);
70 nishi 857
									free(rmbuf);
33 nishi 858
								}
66 nishi 859
								free(fpth);
33 nishi 860
							}
24 nishi 861
							addstring(&str, "		<hr>\n");
212 nishi 862
							hp = vhost_entry->hideport == -1 ? config.root.hideport : vhost_entry->hideport;
123 nishi 863
							if(hp == 0) {
864
								addstring(&str, "		<address>%s Server at %s Port %d</address>\n", tw_server, name, port);
865
							} else {
866
								addstring(&str, "		<address>%s Server at %s</address>\n", tw_server, name, port);
867
							}
24 nishi 868
							addstring(&str, "	</body>\n");
869
							addstring(&str, "</html>\n");
32 nishi 870
							tw_process_page(s, sock, tw_http_status(200), "text/html", NULL, str, strlen(str), 0, 0);
24 nishi 871
							free(str);
21 nishi 872
						}
873
					}
22 nishi 874
				} else {
21 nishi 875
					char* ext = NULL;
212 nishi 876
					char* mime;
877
					FILE* f;
22 nishi 878
					for(i = strlen(req.path) - 1; i >= 0; i--) {
879
						if(req.path[i] == '.') {
21 nishi 880
							ext = cm_strdup(req.path + i);
881
							break;
24 nishi 882
						} else if(req.path[i] == '/') {
883
							break;
21 nishi 884
						}
885
					}
212 nishi 886
					mime = tw_get_mime(ext, vhost_entry);
21 nishi 887
					if(ext != NULL) free(ext);
212 nishi 888
					f = fopen(path, "rb");
173 nishi 889
					if(f == NULL) {
890
						tw_http_error(s, sock, 403, name, port, vhost_entry);
891
					} else {
892
						tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, st.st_mtime, cmtime);
893
						fclose(f);
894
					}
21 nishi 895
				}
22 nishi 896
			} else {
161 nishi 897
				if(!rej) {
898
					tw_http_error(s, sock, 404, name, port, vhost_entry);
899
				}
21 nishi 900
			}
901
			free(path);
20 nishi 902
		}
21 nishi 903
		free(vhost);
904
		free(host);
22 nishi 905
	} else if(ret == -1) {
18 nishi 906
	} else {
123 nishi 907
		tw_http_error(s, sock, 400, name, port, &config.root);
17 nishi 908
	}
70 nishi 909
	tw_free_request(&req);
12 nishi 910
cleanup:
43 nishi 911
#ifndef NO_SSL
16 nishi 912
	if(sslworks) {
15 nishi 913
		SSL_shutdown(s);
914
	}
915
	SSL_free(s);
46 nishi 916
#endif
11 nishi 917
	close_socket(sock);
219 nishi 918
#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
216 nishi 919
	_endthread();
100 nishi 920
#elif defined(__HAIKU__)
105 nishi 921
		exit_thread(0);
11 nishi 922
#endif
216 nishi 923
#ifndef NO_RETURN_THREAD
214 nishi 924
	return 0;
215 nishi 925
#endif
11 nishi 926
}
927
 
62 nishi 928
#ifdef SERVICE
929
extern SERVICE_STATUS status;
930
extern SERVICE_STATUS_HANDLE status_handle;
931
#endif
932
 
219 nishi 933
#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
65 nishi 934
struct thread_entry {
101 nishi 935
#ifdef __HAIKU__
936
	thread_id thread;
937
#else
65 nishi 938
	HANDLE handle;
101 nishi 939
#endif
65 nishi 940
	bool used;
941
};
942
#endif
943
 
183 nishi 944
extern int running;
945
 
11 nishi 946
void tw_server_loop(void) {
68 nishi 947
	int i;
212 nishi 948
#ifndef USE_POLL
213 nishi 949
	fd_set fdset;
950
	struct timeval tv;
212 nishi 951
#endif
219 nishi 952
#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
65 nishi 953
	struct thread_entry threads[2048];
70 nishi 954
	for(i = 0; i < sizeof(threads) / sizeof(threads[0]); i++) {
65 nishi 955
		threads[i].used = false;
956
	}
957
#endif
118 nishi 958
#ifdef USE_POLL
302 nishi 959
	struct pollfd* pollfds = malloc(sizeof(*pollfds) * sockcount);
118 nishi 960
	for(i = 0; i < sockcount; i++) {
961
		pollfds[i].fd = sockets[i];
962
		pollfds[i].events = POLLIN | POLLPRI;
963
	}
964
#endif
183 nishi 965
	while(running) {
212 nishi 966
		int ret;
118 nishi 967
#ifdef USE_POLL
212 nishi 968
		ret = poll(pollfds, sockcount, 1000);
118 nishi 969
#else
970
			FD_ZERO(&fdset);
971
			for(i = 0; i < sockcount; i++) {
972
				FD_SET(sockets[i], &fdset);
973
			}
974
			tv.tv_sec = 1;
975
			tv.tv_usec = 0;
86 nishi 976
#ifdef __HAIKU__
212 nishi 977
			ret = select(32, &fdset, NULL, NULL, &tv);
86 nishi 978
#else
212 nishi 979
			ret = select(FD_SETSIZE, &fdset, NULL, NULL, &tv);
86 nishi 980
#endif
118 nishi 981
#endif
11 nishi 982
		if(ret == -1) {
219 nishi 983
#if !defined(__MINGW32__) && !defined(_MSC_VER) && !defined(__BORLANDC__) && !defined(__WATCOMC__)
296 nishi 984
			if(errno == EINTR) continue;
84 nishi 985
			cm_log("Server", "Select failure: %s", strerror(errno));
986
#endif
9 nishi 987
			break;
70 nishi 988
		} else if(ret == 0) {
62 nishi 989
#ifdef SERVICE
70 nishi 990
			if(status.dwCurrentState == SERVICE_STOP_PENDING) {
62 nishi 991
				break;
992
			}
993
#endif
11 nishi 994
		} else if(ret > 0) {
9 nishi 995
			/* connection */
996
			int i;
11 nishi 997
			for(i = 0; i < sockcount; i++) {
118 nishi 998
				bool cond;
999
#ifdef USE_POLL
1000
				cond = pollfds[i].revents & POLLIN;
1001
#else
1002
					cond = FD_ISSET(sockets[i], &fdset);
1003
#endif
1004
				if(cond) {
9 nishi 1005
					SOCKADDR claddr;
182 nishi 1006
					socklen_t clen = sizeof(claddr);
9 nishi 1007
					int sock = accept(sockets[i], (struct sockaddr*)&claddr, &clen);
219 nishi 1008
#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_PSP) || defined(__PPU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
212 nishi 1009
					int j;
1010
					struct pass_entry* e = malloc(sizeof(*e));
12 nishi 1011
					cm_log("Server", "New connection accepted");
11 nishi 1012
					e->sock = sock;
215 nishi 1013
#if defined(_MSC_VER) || defined(__BORLANDC__)
212 nishi 1014
					e->ssl = config.ports[i] & (1UL << 31);
1015
#else
1016
					e->ssl = config.ports[i] & (1ULL << 31);
1017
#endif
12 nishi 1018
					e->port = config.ports[i];
21 nishi 1019
					e->addr = claddr;
97 nishi 1020
#endif
219 nishi 1021
#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
212 nishi 1022
					_beginthread(tw_server_pass, 0, e);
187 nishi 1023
#elif defined(_PSP) || defined(__PPU__)
183 nishi 1024
						tw_server_pass(e);
97 nishi 1025
#elif defined(__HAIKU__)
183 nishi 1026
					for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
1027
						if(threads[j].used) {
1028
							thread_info info;
1029
							bool kill = false;
1030
							if(get_thread_info(threads[j].thread, &info) == B_OK) {
1031
							} else {
1032
								kill = true;
101 nishi 1033
							}
183 nishi 1034
							if(kill) {
1035
								threads[j].used = false;
101 nishi 1036
							}
1037
						}
183 nishi 1038
					}
1039
					for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
1040
						if(!threads[j].used) {
1041
							threads[j].thread = spawn_thread(tw_server_pass, "Tewi HTTPd", 60, e);
1042
							threads[j].used = true;
1043
							resume_thread(threads[j].thread);
1044
							break;
1045
						}
1046
					}
11 nishi 1047
#else
1048
					pid_t pid = fork();
1049
					if(pid == 0) {
89 nishi 1050
						int j;
1051
						for(j = 0; j < sockcount; j++) close_socket(sockets[j]);
212 nishi 1052
						tw_server_pass(sock, config.ports[i] & (1ULL << 31), config.ports[i], claddr);
11 nishi 1053
						_exit(0);
1054
					} else {
1055
						close_socket(sock);
1056
					}
1057
#endif
9 nishi 1058
				}
1059
			}
1060
		}
1061
	}
255 nishi 1062
	for(i = 0; i < sockcount; i++) {
253 nishi 1063
		close_socket(sockets[i]);
1064
	}
1065
	cm_force_log("Server is down");
9 nishi 1066
}