source: Main/trunk/Server/server.c@ 274

Last change on this file since 274 was 274, checked in by Nishi, on Oct 8, 2024 at 7:55:19 PM

minix is weird
  • Property svn:keywords set to Id
File size: 28.5 KB
Line 
1/* $Id: server.c 274 2024-10-08 10:55:19Z nishi $ */
2
3#define SOURCE
4
5#include "../config.h"
6
7#include "tw_server.h"
8
9#ifndef NO_SSL
10#include "tw_ssl.h"
11#endif
12
13#include "tw_config.h"
14#include "tw_http.h"
15#include "tw_module.h"
16#include "tw_version.h"
17
18#if !defined(_MSC_VER) && !defined(__BORLANDC__)
19#include <unistd.h>
20#endif
21#include <string.h>
22#include <stdbool.h>
23#include <stdarg.h>
24#include <stdio.h>
25#include <stdlib.h>
26#include <errno.h>
27#include <sys/types.h>
28#include <sys/stat.h>
29#include <time.h>
30
31#include <cm_string.h>
32#include <cm_log.h>
33#include <cm_dir.h>
34
35#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
36#ifndef NO_GETNAMEINFO
37#include <ws2tcpip.h>
38#include <wspiapi.h>
39#endif
40#ifdef USE_WINSOCK1
41#include <winsock.h>
42#else
43#include <winsock2.h>
44#endif
45#include <process.h>
46#include <windows.h>
47
48#include "strptime.h"
49typedef int socklen_t;
50#else
51#ifdef USE_POLL
52#ifdef __PPU__
53#include <net/poll.h>
54#else
55#include <poll.h>
56#endif
57#else
58#include <sys/select.h>
59#endif
60#include <sys/socket.h>
61#include <arpa/inet.h>
62#include <netinet/in.h>
63#ifndef __PPU__
64#include <netinet/tcp.h>
65#endif
66#ifndef NO_GETNAMEINFO
67#include <netdb.h>
68#endif
69#endif
70
71#if defined(_PSP) || defined(__ps2sdk__)
72#include "strptime.h"
73#endif
74
75#ifdef __HAIKU__
76#include <OS.h>
77#endif
78
79#ifndef S_ISDIR
80#define S_ISDIR(x) ((x) & _S_IFDIR)
81#endif
82
83extern struct tw_config config;
84extern char tw_server[];
85
86int sockcount = 0;
87
88SOCKADDR addresses[MAX_PORTS];
89int sockets[MAX_PORTS];
90
91#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
92const 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"};
93#endif
94
95/* https://qiita.com/gyu-don/items/5a640c6d2252a860c8cd */
96int tw_wildcard_match(const char* wildcard, const char* target) {
97 const char *pw = wildcard, *pt = target;
98
99 while(1) {
100 if(*pt == 0) {
101 while(*pw == '*') pw++;
102 return *pw == 0;
103 } else if(*pw == 0) {
104 return 0;
105 } else if(*pw == '*') {
106 return *(pw + 1) == 0 || tw_wildcard_match(pw, pt + 1) || tw_wildcard_match(pw + 1, pt);
107 } else if(*pw == '?' || (*pw == *pt)) {
108 pw++;
109 pt++;
110 continue;
111 } else {
112 return 0;
113 }
114 }
115}
116
117void close_socket(int sock) {
118#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
119 closesocket(sock);
120#else
121 close(sock);
122#endif
123}
124
125int tw_server_init(void) {
126 int i;
127#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
128 WSADATA wsa;
129#ifdef USE_WINSOCK1
130 WSAStartup(MAKEWORD(1, 1), &wsa);
131#else
132 WSAStartup(MAKEWORD(2, 0), &wsa);
133#endif
134#endif
135 for(i = 0; config.ports[i] != -1; i++)
136 ;
137 sockcount = i;
138 for(i = 0; config.ports[i] != -1; i++) {
139 int yes = 1;
140 int no = 0;
141#ifdef NO_IPV6
142 int sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
143#else
144 int sock = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
145#endif
146#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__)
147 if(sock == INVALID_SOCKET)
148#else
149 if(sock < 0)
150#endif
151 {
152 cm_log("Server", "Socket creation failure");
153 return 1;
154 }
155 if(setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(yes)) < 0) {
156 close_socket(sock);
157 cm_log("Server", "setsockopt failure (reuseaddr)");
158 return 1;
159 }
160#ifndef __PPU__
161#ifdef __minix
162 if(setsockopt(sock, 0, TCP_NODELAY, (void*)&yes, sizeof(yes)) < 0) {
163#else
164 if(setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(yes)) < 0) {
165#endif
166 close_socket(sock);
167 cm_log("Server", "setsockopt failure (nodelay)");
168 return 1;
169 }
170#endif
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;
182 addresses[i].sin_port = htons(config.ports[i] & 0xffff);
183#else
184 addresses[i].sin6_family = AF_INET6;
185 addresses[i].sin6_addr = in6addr_any;
186 addresses[i].sin6_port = htons(config.ports[i] & 0xffff);
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}
202
203size_t tw_read(SSL* ssl, int s, void* data, size_t len) {
204#ifndef NO_SSL
205 if(ssl == NULL) {
206 return recv(s, data, len, 0);
207 } else {
208 return SSL_read(ssl, data, len);
209 }
210#else
211 return recv(s, data, len, 0);
212#endif
213}
214
215size_t tw_write(SSL* ssl, int s, void* data, size_t len) {
216#ifndef NO_SSL
217 if(ssl == NULL) {
218 return send(s, data, len, 0);
219 } else {
220 return SSL_write(ssl, data, len);
221 }
222#else
223 return send(s, data, len, 0);
224#endif
225}
226
227#define ERROR_HTML \
228 "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n" \
229 "<html>\n" \
230 " <head>\n" \
231 " <title>%s</title>\n" \
232 " </head>\n" \
233 " <body>\n" \
234 " <h1>%s</h1>\n" \
235 " <hr>\n" \
236 " ", \
237 address, \
238 "\n" \
239 " </body>\n" \
240 "</html>\n"
241
242void _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) {
243 char construct[512];
244 size_t incr;
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 }
253#if defined(_MSC_VER) || defined(__BORLANDC__)
254 sprintf(construct, "%lu", (unsigned long)size);
255#else
256 sprintf(construct, "%llu", (unsigned long long)size);
257#endif
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);
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 }
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);
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);
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 }
281 }
282 if(headers != NULL) {
283 int i;
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 }
291 tw_write(ssl, sock, "\r\n", 2);
292 if(doc == NULL && f == NULL) return;
293 incr = 0;
294 while(1) {
295 if(f != NULL) {
296 char buffer[128];
297 fread(buffer, size < 128 ? size : 128, 1, f);
298 tw_write(ssl, sock, buffer, size < 128 ? size : 128);
299 } else {
300 tw_write(ssl, sock, (unsigned char*)doc + incr, size < 128 ? size : 128);
301 }
302 incr += 128;
303 if(size <= 128) break;
304 size -= 128;
305 }
306}
307
308void 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); }
309
310const char* tw_http_status(int code) {
311 if(code == 200) {
312 return "200 OK";
313 } else if(code == 301) {
314 return "301 Moved Permanently";
315 } else if(code == 308) {
316 return "308 Permanent Redirect";
317 } else if(code == 400) {
318 return "400 Bad Request";
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";
325 } else if(code == 500) {
326 return "500 Internal Server Error";
327 } else {
328 return "400 Bad Request";
329 }
330}
331
332char* tw_http_default_error(int code, char* name, int port, struct tw_config_entry* vhost) {
333 char address[1024];
334 char* st;
335 char* st2;
336 char* buffer;
337 char* str;
338 int i;
339
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
346 st = cm_strdup(tw_http_status(code));
347 for(i = 0; st[i] != 0; i++) {
348 if(st[i] == ' ') {
349 st2 = cm_strdup(st + i + 1);
350 break;
351 }
352 }
353 buffer = malloc(4096);
354 str = cm_strcat3(ERROR_HTML);
355 sprintf(buffer, str, st, st2);
356 free(str);
357 free(st);
358 return buffer;
359}
360
361void 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);
363 tw_process_page(ssl, sock, tw_http_status(error), "text/html", NULL, str, strlen(str), 0, 0);
364 free(str);
365}
366
367void addstring(char** str, const char* add, ...) {
368 int i;
369 char cbuf[2];
370 va_list va;
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);
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);
393 } else if(add[i] == 'd') {
394 int n = va_arg(va, int);
395 char* h = malloc(512);
396 char* tmp = *str;
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 }
412 va_end(va);
413}
414
415char* 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;
419 if(ext == NULL) return mime;
420 for(i = 0; i < vhost_entry->mime_count; i++) {
421 if(strcmp(vhost_entry->mimes[i].ext, "all") == 0 || (ext != NULL && tw_wildcard_match(vhost_entry->mimes[i].ext, ext))) {
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++) {
428 if(strcmp(config.root.mimes[i].ext, "all") == 0 || (ext != NULL && tw_wildcard_match(config.root.mimes[i].ext, ext))) {
429 mime = config.root.mimes[i].mime;
430 }
431 }
432 }
433 return mime;
434}
435
436char* tw_get_icon(const char* mime, struct tw_config_entry* vhost_entry) {
437 char* icon = "";
438 bool set = false;
439 int i;
440 if(mime == NULL) return "";
441 for(i = 0; i < vhost_entry->icon_count; i++) {
442 if(strcmp(vhost_entry->icons[i].mime, "all") == 0 || (mime != NULL && tw_wildcard_match(vhost_entry->icons[i].mime, mime))) {
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++) {
449 if(strcmp(config.root.icons[i].mime, "all") == 0 || (mime != NULL && tw_wildcard_match(config.root.icons[i].mime, mime))) {
450 icon = config.root.icons[i].icon;
451 }
452 }
453 }
454 return icon;
455}
456
457struct pass_entry {
458 int sock;
459 int port;
460 bool ssl;
461 SOCKADDR addr;
462};
463
464#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
465#define NO_RETURN_THREAD
466void tw_server_pass(void* ptr) {
467#elif defined(__HAIKU__)
468int32_t tw_server_pass(void* ptr) {
469#elif defined(_PSP) || defined(__PPU__)
470int tw_server_pass(void* ptr) {
471#endif
472#if defined(__HAIKU__) || defined(__MINGW32__) || defined(_PSP) || defined(__PPU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
473#define FREE_PTR
474 int sock = ((struct pass_entry*)ptr)->sock;
475 bool ssl = ((struct pass_entry*)ptr)->ssl;
476 int port = ((struct pass_entry*)ptr)->port;
477 SOCKADDR addr = ((struct pass_entry*)ptr)->addr;
478#else
479#define NO_RETURN_THREAD
480 void tw_server_pass(int sock, bool ssl, int port, SOCKADDR addr) {
481#endif
482 SSL* s = NULL;
483#ifndef NO_SSL
484 SSL_CTX* ctx = NULL;
485 bool sslworks = false;
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;
491 sslworks = true;
492 }
493#endif
494 char* name = config.hostname;
495 char address[513];
496 int ret;
497 struct tw_http_request req;
498 struct tw_http_response res;
499 struct tw_tool tools;
500 char* addrstr;
501#ifndef NO_GETNAMEINFO
502 struct sockaddr* sa = (struct sockaddr*)&addr;
503 getnameinfo(sa, sizeof(addr), address, 512, NULL, 0, NI_NUMERICHOST);
504#else
505 addrstr = inet_ntoa(addr.sin_addr);
506 strcpy(address, addrstr);
507 address[strlen(addrstr)] = 0;
508#endif
509#ifdef FREE_PTR
510 free(ptr);
511#endif
512
513 res._processed = false;
514 tw_init_tools(&tools);
515 ret = tw_http_parse(s, sock, &req);
516 if(ret == 0) {
517 char date[513];
518 time_t t = time(NULL);
519 struct tm* tm = localtime(&t);
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;
533 struct tw_config_entry* vhost_entry;
534 strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
535
536 for(i = 0; req.headers[i] != NULL; i += 2) {
537 if(cm_strcaseequ(req.headers[i], "User-Agent")) {
538 free(useragent);
539 useragent = cm_strdup(req.headers[i + 1]);
540 }
541 }
542
543 tmp = cm_strcat3(address, " - [", date);
544 tmp2 = cm_strcat3(tmp, "] \"", req.method);
545 tmp3 = cm_strcat3(tmp2, " ", req.path);
546 tmp4 = cm_strcat3(tmp3, " ", req.version);
547 tmp5 = cm_strcat3(tmp4, "\" \"", useragent);
548 log = cm_strcat(tmp5, "\"");
549 free(tmp);
550 free(tmp2);
551 free(tmp3);
552 free(tmp4);
553 free(tmp5);
554 free(useragent);
555 cm_force_log(log);
556 free(log);
557
558 vhost = cm_strdup(config.hostname);
559 cmtime = 0;
560 if(req.headers != NULL) {
561 for(i = 0; req.headers[i] != NULL; i += 2) {
562 if(cm_strcaseequ(req.headers[i], "Host")) {
563 free(vhost);
564 vhost = cm_strdup(req.headers[i + 1]);
565 } else if(cm_strcaseequ(req.headers[i], "If-Modified-Since")) {
566 struct tm tm;
567 time_t t;
568 struct tm* btm;
569 strptime(req.headers[i + 1], "%a, %d %b %Y %H:%M:%S GMT", &tm);
570#if defined(__MINGW32__) || defined(_PSP) || defined(__PPU__) || defined(__ps2sdk__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
571 t = 0;
572 btm = localtime(&t);
573 cmtime = mktime(&tm);
574 cmtime -= (btm->tm_hour * 60 + btm->tm_min) * 60;
575#else
576 cmtime = timegm(&tm);
577#endif
578 }
579 }
580 }
581 rej = false;
582 cm_log("Server", "Host is %s", vhost);
583 port = s == NULL ? 80 : 443;
584 host = cm_strdup(vhost);
585 for(i = 0; vhost[i] != 0; i++) {
586 if(vhost[i] == ':') {
587 host[i] = 0;
588 port = atoi(host + i + 1);
589 break;
590 }
591 }
592 name = host;
593 cm_log("Server", "Hostname is `%s', port is `%d'", host, port);
594 vhost_entry = tw_vhost_match(host, port);
595#ifdef HAS_CHROOT
596 char* chrootpath = vhost_entry->chroot_path != NULL ? vhost_entry->chroot_path : config.root.chroot_path;
597 if(chrootpath != NULL) {
598 if(chdir(chrootpath) == 0) {
599 if(chroot(".") == 0) {
600 cm_log("Server", "Chroot successful");
601 }
602 } else {
603 cm_log("Server", "chdir() failed, cannot chroot");
604 tw_http_error(s, sock, 500, name, port, vhost_entry);
605 rej = true;
606 }
607 }
608#endif
609 for(i = 0; i < config.module_count; i++) {
610 tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "mod_request");
611 if(mod_req != NULL) {
612 int ret = mod_req(&tools, &req, &res);
613 int co = ret & 0xff;
614 if(co == _TW_MODULE_PASS) {
615 continue;
616 } else if(co == _TW_MODULE_STOP) {
617 /* Handle response here ... */
618 res._processed = true;
619 break;
620 } else if(co == _TW_MODULE_STOP2) {
621 res._processed = true;
622 break;
623 } else if(co == _TW_MODULE_ERROR) {
624 tw_http_error(s, sock, (ret & 0xffff00) >> 8, name, port, vhost_entry);
625 break;
626 }
627 }
628 }
629 if(!res._processed) {
630 char* path;
631 char* rpath;
632 struct stat st;
633 char* slash;
634 cm_log("Server", "Document root is %s", vhost_entry->root == NULL ? "not set" : vhost_entry->root);
635 path = cm_strcat(vhost_entry->root == NULL ? "" : vhost_entry->root, req.path);
636 cm_log("Server", "Filesystem path is %s", path);
637#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
638 for(i = strlen(path) - 1; i >= 0; i--) {
639 if(path[i] == '/') {
640 path[i] = 0;
641 } else {
642 break;
643 }
644 }
645#endif
646#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
647 rpath = cm_strdup(path);
648 for(i = strlen(rpath) - 1; i >= 0; i--) {
649 if(rpath[i] == '/') {
650 int j;
651 for(j = i + 1; rpath[j] != 0; j++) {
652 if(rpath[j] == ':' || rpath[j] == '.') {
653 rpath[j] = 0;
654 break;
655 }
656 }
657 break;
658 }
659 }
660 for(i = 0; i < sizeof(reserved_names) / sizeof(reserved_names[0]); i++) {
661 char* n = cm_strcat("/", reserved_names[i]);
662 if(cm_nocase_endswith(rpath, n)) {
663 tw_http_error(s, sock, 403, name, port, vhost_entry);
664 free(n);
665 rej = true;
666 cm_log("Server", "XP Patch ; rejecting access to device");
667 break;
668 }
669 free(n);
670 }
671 free(rpath);
672#endif
673 if(!rej && stat(path, &st) == 0) {
674 if(!tw_permission_allowed(path, addr, req, vhost_entry)) {
675 tw_http_error(s, sock, 403, name, port, vhost_entry);
676 } else if(S_ISDIR(st.st_mode)) {
677 if(req.path[strlen(req.path) - 1] != '/') {
678 char* headers[3] = {"Location", NULL, NULL};
679 headers[1] = cm_strcat(req.path, "/");
680 cm_log("Server", "Accessing directory without the slash at the end");
681 _tw_process_page(s, sock, tw_http_status(301), NULL, NULL, NULL, 0, headers, 0, 0);
682 free(headers[1]);
683 } else {
684 char** indexes = vhost_entry->index_count == 0 ? config.root.indexes : vhost_entry->indexes;
685 int index_count = vhost_entry->index_count == 0 ? config.root.index_count : vhost_entry->index_count;
686 bool found = false;
687 for(i = 0; i < index_count; i++) {
688 char* p = cm_strcat3(path, "/", indexes[i]);
689 FILE* f = fopen(p, "rb");
690 if(f != NULL) {
691 char* ext = NULL;
692 int j;
693 struct stat st;
694 char* mime;
695 for(j = strlen(p) - 1; j >= 0; j--) {
696 if(p[j] == '.') {
697 ext = cm_strdup(p + j);
698 break;
699 } else if(p[j] == '/') {
700 break;
701 }
702 }
703 stat(p, &st);
704 mime = tw_get_mime(ext, vhost_entry);
705 tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, 0, 0);
706 fclose(f);
707 if(ext != NULL) free(ext);
708 free(p);
709 found = true;
710 break;
711 }
712 free(p);
713 }
714 if(!found) {
715 char* str = malloc(1);
716 char** items;
717 int readme;
718 char** readmes;
719 int readme_count;
720 int hp;
721 str[0] = 0;
722 items = cm_scandir(path);
723 addstring(&str, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n");
724 addstring(&str, "<html>\n");
725 addstring(&str, " <head>\n");
726 addstring(&str, " <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n");
727 addstring(&str, " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n");
728 addstring(&str, " <title>Index of %h</title>\n", req.path);
729 addstring(&str, " </head>\n");
730 addstring(&str, " <body>\n");
731 addstring(&str, " <h1>Index of %h</h1>\n", req.path);
732 addstring(&str, " <hr>\n");
733 addstring(&str, " <table border=\"0\">\n");
734 addstring(&str, " <tr>\n");
735 addstring(&str, " <th></th>\n");
736 addstring(&str, " <th>Filename</th>\n");
737 addstring(&str, " <th>MIME</th>\n");
738 addstring(&str, " <th>Size</th>\n");
739 addstring(&str, " </tr>\n");
740 readme = -1;
741 readmes = vhost_entry->readme_count == 0 ? config.root.readmes : vhost_entry->readmes;
742 readme_count = vhost_entry->readme_count == 0 ? config.root.readme_count : vhost_entry->readme_count;
743 if(items != NULL) {
744 int phase = 0;
745 doit:
746 for(i = 0; items[i] != NULL; i++) {
747 int j;
748 char* ext;
749 char* itm;
750 char* icon;
751 char* fpth = cm_strcat3(path, "/", items[i]);
752 struct stat s;
753 char size[512];
754 char* showmime;
755 char* mime;
756 size[0] = 0;
757 stat(fpth, &s);
758 if(phase == 0 && !S_ISDIR(s.st_mode)) {
759 free(fpth);
760 continue;
761 } else if(phase == 1 && S_ISDIR(s.st_mode)) {
762 free(fpth);
763 continue;
764 }
765 if(readme == -1) {
766 for(j = 0; j < readme_count; j++) {
767 if(strcmp(items[i], readmes[j]) == 0) {
768 readme = j;
769 break;
770 }
771 }
772 if(readme != -1) {
773 free(fpth);
774 continue;
775 }
776 }
777 if(s.st_size < NUM1024) {
778 sprintf(size, "%d", (int)s.st_size);
779 } else if(s.st_size < NUM1024 * 1024) {
780 sprintf(size, "%.1fK", (double)s.st_size / 1024);
781 } else if(s.st_size < NUM1024 * 1024 * 1024) {
782 sprintf(size, "%.1fM", (double)s.st_size / 1024 / 1024);
783 } else if(s.st_size < NUM1024 * 1024 * 1024 * 1024) {
784 sprintf(size, "%.1fG", (double)s.st_size / 1024 / 1024 / 1024);
785 } else if(s.st_size < NUM1024 * 1024 * 1024 * 1024 * 1024) {
786 sprintf(size, "%.1fT", (double)s.st_size / 1024 / 1024 / 1024 / 1024);
787 }
788
789 free(fpth);
790
791 ext = NULL;
792 for(j = strlen(items[i]) - 1; j >= 0; j--) {
793 if(items[i][j] == '.') {
794 ext = cm_strdup(items[i] + j);
795 break;
796 } else if(items[i][j] == '/') {
797 break;
798 }
799 }
800 showmime = "";
801 mime = tw_get_mime(ext, vhost_entry);
802 if(strcmp(items[i], "../") == 0) {
803 mime = "misc/parent";
804 size[0] = 0;
805 } else if(items[i][strlen(items[i]) - 1] == '/') {
806 mime = "misc/dir";
807 size[0] = 0;
808 } else {
809 showmime = mime;
810 }
811 icon = tw_get_icon(mime, vhost_entry);
812 if(ext != NULL) free(ext);
813 itm = cm_strdup(items[i]);
814 if(strlen(itm) >= 32) {
815 if(itm[strlen(itm) - 1] == '/') {
816 itm[31] = 0;
817 itm[30] = '/';
818 itm[29] = '.';
819 itm[28] = '.';
820 itm[27] = '.';
821 } else {
822 itm[31] = 0;
823 itm[30] = '.';
824 itm[29] = '.';
825 itm[28] = '.';
826 }
827 }
828 addstring(&str, "<tr>\n");
829 addstring(&str, " <td><img src=\"%s\" alt=\"icon\"></td>\n", icon);
830 addstring(&str, " <td><a href=\"%l\"><code>%h</code></a></td>\n", items[i], itm);
831 addstring(&str, " <td><code> %h </code></td>\n", showmime);
832 addstring(&str, " <td><code> %s </code></td>\n", size);
833 addstring(&str, "</tr>\n");
834 free(itm);
835 }
836 phase++;
837 if(phase != 2) goto doit;
838 for(i = 0; items[i] != NULL; i++) free(items[i]);
839 free(items);
840 }
841 addstring(&str, " </table>\n");
842 if(readme != -1) {
843 struct stat s;
844 FILE* fr;
845 char* fpth;
846 addstring(&str, "<hr>\n");
847 fpth = cm_strcat3(path, "/", readmes[readme]);
848 stat(fpth, &s);
849 fr = fopen(fpth, "r");
850 if(fr != NULL) {
851 char* rmbuf = malloc(s.st_size + 1);
852 rmbuf[s.st_size] = 0;
853 fread(rmbuf, s.st_size, 1, fr);
854 addstring(&str, "<pre><code>%h</code></pre>\n", rmbuf);
855 fclose(fr);
856 free(rmbuf);
857 }
858 free(fpth);
859 }
860 addstring(&str, " <hr>\n");
861 hp = vhost_entry->hideport == -1 ? config.root.hideport : vhost_entry->hideport;
862 if(hp == 0) {
863 addstring(&str, " <address>%s Server at %s Port %d</address>\n", tw_server, name, port);
864 } else {
865 addstring(&str, " <address>%s Server at %s</address>\n", tw_server, name, port);
866 }
867 addstring(&str, " </body>\n");
868 addstring(&str, "</html>\n");
869 tw_process_page(s, sock, tw_http_status(200), "text/html", NULL, str, strlen(str), 0, 0);
870 free(str);
871 }
872 }
873 } else {
874 char* ext = NULL;
875 char* mime;
876 FILE* f;
877 for(i = strlen(req.path) - 1; i >= 0; i--) {
878 if(req.path[i] == '.') {
879 ext = cm_strdup(req.path + i);
880 break;
881 } else if(req.path[i] == '/') {
882 break;
883 }
884 }
885 mime = tw_get_mime(ext, vhost_entry);
886 if(ext != NULL) free(ext);
887 f = fopen(path, "rb");
888 if(f == NULL) {
889 tw_http_error(s, sock, 403, name, port, vhost_entry);
890 } else {
891 tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, st.st_mtime, cmtime);
892 fclose(f);
893 }
894 }
895 } else {
896 if(!rej) {
897 tw_http_error(s, sock, 404, name, port, vhost_entry);
898 }
899 }
900 free(path);
901 }
902 free(vhost);
903 free(host);
904 } else if(ret == -1) {
905 } else {
906 tw_http_error(s, sock, 400, name, port, &config.root);
907 }
908 tw_free_request(&req);
909cleanup:
910#ifndef NO_SSL
911 if(sslworks) {
912 SSL_shutdown(s);
913 }
914 SSL_free(s);
915#endif
916 close_socket(sock);
917#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
918 _endthread();
919#elif defined(__HAIKU__)
920 exit_thread(0);
921#endif
922#ifndef NO_RETURN_THREAD
923 return 0;
924#endif
925}
926
927#ifdef SERVICE
928extern SERVICE_STATUS status;
929extern SERVICE_STATUS_HANDLE status_handle;
930#endif
931
932#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
933struct thread_entry {
934#ifdef __HAIKU__
935 thread_id thread;
936#else
937 HANDLE handle;
938#endif
939 bool used;
940};
941#endif
942
943extern int running;
944
945void tw_server_loop(void) {
946 int i;
947#ifndef USE_POLL
948 fd_set fdset;
949 struct timeval tv;
950#endif
951#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
952 struct thread_entry threads[2048];
953 for(i = 0; i < sizeof(threads) / sizeof(threads[0]); i++) {
954 threads[i].used = false;
955 }
956#endif
957#ifdef USE_POLL
958 struct pollfd pollfds[sockcount];
959 for(i = 0; i < sockcount; i++) {
960 pollfds[i].fd = sockets[i];
961 pollfds[i].events = POLLIN | POLLPRI;
962 }
963#endif
964 while(running) {
965 int ret;
966#ifdef USE_POLL
967 ret = poll(pollfds, sockcount, 1000);
968#else
969 FD_ZERO(&fdset);
970 for(i = 0; i < sockcount; i++) {
971 FD_SET(sockets[i], &fdset);
972 }
973 tv.tv_sec = 1;
974 tv.tv_usec = 0;
975#ifdef __HAIKU__
976 ret = select(32, &fdset, NULL, NULL, &tv);
977#else
978 ret = select(FD_SETSIZE, &fdset, NULL, NULL, &tv);
979#endif
980#endif
981 if(ret == -1) {
982#if !defined(__MINGW32__) && !defined(_MSC_VER) && !defined(__BORLANDC__) && !defined(__WATCOMC__)
983 cm_log("Server", "Select failure: %s", strerror(errno));
984#endif
985 break;
986 } else if(ret == 0) {
987#ifdef SERVICE
988 if(status.dwCurrentState == SERVICE_STOP_PENDING) {
989 break;
990 }
991#endif
992 } else if(ret > 0) {
993 /* connection */
994 int i;
995 for(i = 0; i < sockcount; i++) {
996 bool cond;
997#ifdef USE_POLL
998 cond = pollfds[i].revents & POLLIN;
999#else
1000 cond = FD_ISSET(sockets[i], &fdset);
1001#endif
1002 if(cond) {
1003 SOCKADDR claddr;
1004 socklen_t clen = sizeof(claddr);
1005 int sock = accept(sockets[i], (struct sockaddr*)&claddr, &clen);
1006#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_PSP) || defined(__PPU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
1007 int j;
1008 struct pass_entry* e = malloc(sizeof(*e));
1009 cm_log("Server", "New connection accepted");
1010 e->sock = sock;
1011#if defined(_MSC_VER) || defined(__BORLANDC__)
1012 e->ssl = config.ports[i] & (1UL << 31);
1013#else
1014 e->ssl = config.ports[i] & (1ULL << 31);
1015#endif
1016 e->port = config.ports[i];
1017 e->addr = claddr;
1018#endif
1019#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
1020 _beginthread(tw_server_pass, 0, e);
1021#elif defined(_PSP) || defined(__PPU__)
1022 tw_server_pass(e);
1023#elif defined(__HAIKU__)
1024 for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
1025 if(threads[j].used) {
1026 thread_info info;
1027 bool kill = false;
1028 if(get_thread_info(threads[j].thread, &info) == B_OK) {
1029 } else {
1030 kill = true;
1031 }
1032 if(kill) {
1033 threads[j].used = false;
1034 }
1035 }
1036 }
1037 for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
1038 if(!threads[j].used) {
1039 threads[j].thread = spawn_thread(tw_server_pass, "Tewi HTTPd", 60, e);
1040 threads[j].used = true;
1041 resume_thread(threads[j].thread);
1042 break;
1043 }
1044 }
1045#else
1046 pid_t pid = fork();
1047 if(pid == 0) {
1048 int j;
1049 for(j = 0; j < sockcount; j++) close_socket(sockets[j]);
1050 tw_server_pass(sock, config.ports[i] & (1ULL << 31), config.ports[i], claddr);
1051 _exit(0);
1052 } else {
1053 close_socket(sock);
1054 }
1055#endif
1056 }
1057 }
1058 }
1059 }
1060 for(i = 0; i < sockcount; i++) {
1061 close_socket(sockets[i]);
1062 }
1063 cm_force_log("Server is down");
1064}
Note: See TracBrowser for help on using the repository browser.