source: Main/trunk/Server/server.c@ 398

Last change on this file since 398 was 398, checked in by Nishi, on Oct 28, 2024 at 9:11:59 AM

fix
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File size: 30.6 KB
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1/* $Id: server.c 398 2024-10-28 00:11:59Z 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 <ctype.h>
22#include <string.h>
23#include <stdbool.h>
24#include <stdarg.h>
25#include <stdio.h>
26#include <stdlib.h>
27#include <errno.h>
28#include <sys/types.h>
29#include <sys/stat.h>
30#include <time.h>
31
32#include <cm_string.h>
33#include <cm_log.h>
34#include <cm_dir.h>
35
36#ifdef __OS2__
37#include <types.h>
38#include <sys/time.h>
39#define INCL_DOSPROCESS
40#include <os2.h>
41#include <process.h>
42#define HANDLE void*
43
44#include "strptime.h"
45typedef int socklen_t;
46
47#include <tcpustd.h>
48#endif
49
50#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || (defined(__WATCOMC__) && !defined(__OS2__) && !defined(__NETWARE__) && !defined(__DOS__))
51#ifndef NO_GETNAMEINFO
52#include <ws2tcpip.h>
53#include <wspiapi.h>
54#endif
55#ifdef USE_WINSOCK1
56#include <winsock.h>
57#else
58#include <winsock2.h>
59#endif
60#include <process.h>
61#include <windows.h>
62
63#include "strptime.h"
64typedef int socklen_t;
65#elif defined(__NETWARE__)
66#include <sys/bsdskt.h>
67#include <sys/socket.h>
68
69#define IPPROTO_TCP 0
70#define INADDR_ANY 0
71#include "strptime.h"
72typedef int socklen_t;
73
74uint16_t htons(uint16_t n) { return ((n >> 8) & 0xff) | ((n << 8) & 0xff00); }
75#elif defined(__DOS__)
76#include <netinet/tcp.h>
77#include <netinet/in.h>
78#include <arpa/inet.h>
79#include <sys/select.h>
80
81#include "strptime.h"
82#else
83#ifdef USE_POLL
84#ifdef __PPU__
85#include <net/poll.h>
86#else
87#include <poll.h>
88#endif
89#else
90#ifndef __NeXT__
91#include <sys/select.h>
92#endif
93#ifdef __OS2__
94#include <netinet/in.h>
95#endif
96#endif
97#include <sys/socket.h>
98#include <arpa/inet.h>
99#if !defined(__PPU__)
100#ifdef __NeXT__
101#include <netinet/in_systm.h>
102#endif
103#include <netinet/tcp.h>
104#endif
105#ifndef NO_GETNAMEINFO
106#include <netdb.h>
107#endif
108#endif
109
110#if defined(_PSP) || defined(__ps2sdk__) || defined(__bsdi__)
111#include "strptime.h"
112#endif
113
114#ifdef __HAIKU__
115#include <OS.h>
116#endif
117
118#ifdef __NeXT__
119#include <sys/time.h>
120#endif
121
122#if defined(__USLC__) || defined(__NeXT__)
123typedef int socklen_t;
124#endif
125
126#ifndef S_ISDIR
127#define S_ISDIR(x) ((x) & _S_IFDIR)
128#endif
129
130extern struct tw_config config;
131extern char tw_server[];
132
133int sockcount = 0;
134
135SOCKADDR addresses[MAX_PORTS];
136int sockets[MAX_PORTS];
137
138#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
139const 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"};
140#endif
141
142/* https://qiita.com/gyu-don/items/5a640c6d2252a860c8cd */
143int tw_wildcard_match(const char* wildcard, const char* target) {
144 const char *pw = wildcard, *pt = target;
145
146 while(1) {
147 if(*pt == 0) {
148 while(*pw == '*') pw++;
149 return *pw == 0;
150 } else if(*pw == 0) {
151 return 0;
152 } else if(*pw == '*') {
153 return *(pw + 1) == 0 || tw_wildcard_match(pw, pt + 1) || tw_wildcard_match(pw + 1, pt);
154 } else if(*pw == '?' || (tolower(*pw) == tolower(*pt))) {
155 pw++;
156 pt++;
157 continue;
158 } else {
159 return 0;
160 }
161 }
162}
163
164void close_socket(int sock) {
165#ifdef __OS2__
166 soclose(sock);
167#elif defined(__NETWARE__)
168 shutdown(sock, 2);
169#elif defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
170 closesocket(sock);
171#else
172 close(sock);
173#endif
174}
175
176int tw_server_init(void) {
177 int i;
178#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || (defined(__WATCOMC__) && !defined(__OS2__) && !defined(__NETWARE__) && !defined(__DOS__))
179 WSADATA wsa;
180#ifdef USE_WINSOCK1
181 WSAStartup(MAKEWORD(1, 1), &wsa);
182#else
183 WSAStartup(MAKEWORD(2, 0), &wsa);
184#endif
185#endif
186#ifdef __OS2__
187 sock_init();
188#endif
189 for(i = 0; config.ports[i] != -1; i++)
190 ;
191 sockcount = i;
192 for(i = 0; config.ports[i] != -1; i++) {
193 int yes = 1;
194 int no = 0;
195#ifdef NO_IPV6
196 int sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
197#else
198 int sock = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
199#endif
200#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__)
201 if(sock == INVALID_SOCKET)
202#else
203 if(sock < 0)
204#endif
205 {
206 cm_log("Server", "Socket creation failure");
207 return 1;
208 }
209 if(setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(yes)) < 0) {
210 close_socket(sock);
211 cm_log("Server", "setsockopt failure (reuseaddr)");
212 return 1;
213 }
214#if !defined(__PPU__) && !defined(__minix)
215 if(setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(yes)) < 0) {
216 close_socket(sock);
217 cm_log("Server", "setsockopt failure (nodelay)");
218 return 1;
219 }
220#endif
221#ifndef NO_IPV6
222 if(setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&no, sizeof(no)) < 0) {
223 close_socket(sock);
224 cm_log("Server", "setsockopt failure (IPv6)");
225 return 1;
226 }
227#endif
228 memset(&addresses[i], 0, sizeof(addresses[i]));
229#ifdef NO_IPV6
230 addresses[i].sin_family = AF_INET;
231 addresses[i].sin_addr.s_addr = INADDR_ANY;
232 addresses[i].sin_port = htons(config.ports[i] & 0xffff);
233#else
234 addresses[i].sin6_family = AF_INET6;
235 addresses[i].sin6_addr = in6addr_any;
236 addresses[i].sin6_port = htons(config.ports[i] & 0xffff);
237#endif
238 if(bind(sock, (struct sockaddr*)&addresses[i], sizeof(addresses[i])) < 0) {
239 close_socket(sock);
240 cm_log("Server", "Bind failure");
241 return 1;
242 }
243 if(listen(sock, 128) < 0) {
244 close_socket(sock);
245 cm_log("Server", "Listen failure");
246 return 1;
247 }
248 sockets[i] = sock;
249 }
250 return 0;
251}
252
253size_t tw_read(SSL* ssl, int s, void* data, size_t len) {
254#ifndef NO_SSL
255 if(ssl == NULL) {
256 return recv(s, data, len, 0);
257 } else {
258 return SSL_read(ssl, data, len);
259 }
260#else
261 return recv(s, data, len, 0);
262#endif
263}
264
265size_t tw_write(SSL* ssl, int s, void* data, size_t len) {
266#ifndef NO_SSL
267 if(ssl == NULL) {
268 return send(s, data, len, 0);
269 } else {
270 return SSL_write(ssl, data, len);
271 }
272#else
273 return send(s, data, len, 0);
274#endif
275}
276
277#define ERROR_HTML \
278 "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n" \
279 "<html>\n" \
280 " <head>\n" \
281 " <title>%s</title>\n" \
282 " </head>\n" \
283 " <body>\n" \
284 " <h1>%s</h1>\n" \
285 " <hr>\n" \
286 " ", \
287 address, \
288 "\n" \
289 " </body>\n" \
290 "</html>\n"
291
292void _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) {
293 char construct[512];
294 size_t incr;
295 if(mtime != 0 && cmtime != 0 && mtime <= cmtime) {
296 status = "304 Not Modified";
297 type = NULL;
298 size = 0;
299 headers = NULL;
300 f = NULL;
301 doc = NULL;
302 }
303#if defined(_MSC_VER) || defined(__BORLANDC__)
304 sprintf(construct, "%lu", (unsigned long)size);
305#else
306 sprintf(construct, "%llu", (unsigned long long)size);
307#endif
308 tw_write(ssl, sock, "HTTP/1.1 ", 9);
309 tw_write(ssl, sock, (char*)status, strlen(status));
310 tw_write(ssl, sock, "\r\n", 2);
311 if(type != NULL) {
312 tw_write(ssl, sock, "Content-Type: ", 7 + 5 + 2);
313 tw_write(ssl, sock, (char*)type, strlen(type));
314 tw_write(ssl, sock, "\r\n", 2);
315 }
316 tw_write(ssl, sock, "Server: ", 6 + 2);
317 tw_write(ssl, sock, tw_server, strlen(tw_server));
318 tw_write(ssl, sock, "\r\n", 2);
319 if(size != 0) {
320 tw_write(ssl, sock, "Content-Length: ", 7 + 7 + 2);
321 tw_write(ssl, sock, construct, strlen(construct));
322 tw_write(ssl, sock, "\r\n", 2);
323 if(mtime != 0) {
324 struct tm* tm = gmtime(&mtime);
325 char date[513];
326 strftime(date, 512, "%a, %d %b %Y %H:%M:%S GMT", tm);
327 tw_write(ssl, sock, "Last-Modified: ", 5 + 8 + 2);
328 tw_write(ssl, sock, date, strlen(date));
329 tw_write(ssl, sock, "\r\n", 2);
330 }
331 }
332 if(headers != NULL) {
333 int i;
334 for(i = 0; headers[i] != NULL; i += 2) {
335 tw_write(ssl, sock, headers[i], strlen(headers[i]));
336 tw_write(ssl, sock, ": ", 2);
337 tw_write(ssl, sock, headers[i + 1], strlen(headers[i + 1]));
338 tw_write(ssl, sock, "\r\n", 2);
339 }
340 }
341 tw_write(ssl, sock, "\r\n", 2);
342 if(doc == NULL && f == NULL) return;
343 incr = 0;
344 while(1) {
345 if(f != NULL) {
346 char buffer[512];
347 int st;
348 fread(buffer, size < 512 ? size : 512, 1, f);
349 if((st = tw_write(ssl, sock, buffer, size < 512 ? size : 512)) <= 0) break;
350 } else {
351 if(tw_write(ssl, sock, (unsigned char*)doc + incr, size < 512 ? size : 512) <= 0) break;
352 }
353 incr += 512;
354 if(size <= 512) break;
355 size -= 512;
356 }
357}
358
359void 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); }
360
361const char* tw_http_status(int code) {
362 if(code == 200) {
363 return "200 OK";
364 } else if(code == 301) {
365 return "301 Moved Permanently";
366 } else if(code == 308) {
367 return "308 Permanent Redirect";
368 } else if(code == 400) {
369 return "400 Bad Request";
370 } else if(code == 401) {
371 return "401 Unauthorized";
372 } else if(code == 403) {
373 return "403 Forbidden";
374 } else if(code == 404) {
375 return "404 Not Found";
376 } else if(code == 500) {
377 return "500 Internal Server Error";
378 } else {
379 return "400 Bad Request";
380 }
381}
382
383char* tw_http_default_error(int code, char* name, int port, struct tw_config_entry* vhost) {
384 char address[1024];
385 char* st;
386 char* st2;
387 char* buffer;
388 char* str;
389 int i;
390
391 if((vhost->hideport == -1 ? config.root.hideport : vhost->hideport) == 1) {
392 sprintf(address, "<address>%s Server at %s</address>", tw_server, name, port);
393 } else {
394 sprintf(address, "<address>%s Server at %s Port %d</address>", tw_server, name, port);
395 }
396
397 st = cm_strdup(tw_http_status(code));
398 for(i = 0; st[i] != 0; i++) {
399 if(st[i] == ' ') {
400 st2 = cm_strdup(st + i + 1);
401 break;
402 }
403 }
404 buffer = malloc(4096);
405 str = cm_strcat3(ERROR_HTML);
406 sprintf(buffer, str, st, st2);
407 free(str);
408 free(st);
409 return buffer;
410}
411
412void tw_http_error(SSL* ssl, int sock, int error, char* name, int port, struct tw_config_entry* vhost) {
413 char* str = tw_http_default_error(error, name, port, vhost);
414 tw_process_page(ssl, sock, tw_http_status(error), "text/html", NULL, str, strlen(str), 0, 0);
415 free(str);
416}
417
418void addstring(char** str, const char* add, ...) {
419 int i;
420 char cbuf[2];
421 va_list va;
422 cbuf[1] = 0;
423 va_start(va, add);
424 for(i = 0; add[i] != 0; i++) {
425 cbuf[0] = add[i];
426 if(add[i] == '%') {
427 i++;
428 if(add[i] == 's') {
429 char* tmp = *str;
430 *str = cm_strcat(tmp, va_arg(va, const char*));
431 free(tmp);
432 } else if(add[i] == 'h') {
433 char* h = cm_html_escape(va_arg(va, const char*));
434 char* tmp = *str;
435 *str = cm_strcat(tmp, h);
436 free(tmp);
437 free(h);
438 } else if(add[i] == 'l') {
439 char* h = cm_url_escape(va_arg(va, const char*));
440 char* tmp = *str;
441 *str = cm_strcat(tmp, h);
442 free(tmp);
443 free(h);
444 } else if(add[i] == 'd') {
445 int n = va_arg(va, int);
446 char* h = malloc(512);
447 char* tmp = *str;
448 sprintf(h, "%d", n);
449 *str = cm_strcat(tmp, h);
450 free(tmp);
451 free(h);
452 } else if(add[i] == '%') {
453 char* tmp = *str;
454 *str = cm_strcat(tmp, "%");
455 free(tmp);
456 }
457 } else {
458 char* tmp = *str;
459 *str = cm_strcat(tmp, cbuf);
460 free(tmp);
461 }
462 }
463 va_end(va);
464}
465
466char* tw_get_mime(const char* ext, struct tw_config_entry* vhost_entry) {
467 char* mime = "application/octet-stream";
468 bool set = false;
469 int i;
470 if(ext == NULL) return mime;
471 for(i = 0; i < vhost_entry->mime_count; i++) {
472 if(strcmp(vhost_entry->mimes[i].ext, "all") == 0 || (ext != NULL && tw_wildcard_match(vhost_entry->mimes[i].ext, ext))) {
473 mime = vhost_entry->mimes[i].mime;
474 set = true;
475 }
476 }
477 if(!set) {
478 for(i = 0; i < config.root.mime_count; i++) {
479 if(strcmp(config.root.mimes[i].ext, "all") == 0 || (ext != NULL && tw_wildcard_match(config.root.mimes[i].ext, ext))) {
480 mime = config.root.mimes[i].mime;
481 }
482 }
483 }
484 return mime;
485}
486
487char* tw_get_icon(const char* mime, struct tw_config_entry* vhost_entry) {
488 char* icon = "";
489 bool set = false;
490 int i;
491 if(mime == NULL) return "";
492 for(i = 0; i < vhost_entry->icon_count; i++) {
493 if(strcmp(vhost_entry->icons[i].mime, "all") == 0 || (mime != NULL && tw_wildcard_match(vhost_entry->icons[i].mime, mime))) {
494 icon = vhost_entry->icons[i].icon;
495 set = true;
496 }
497 }
498 if(!set) {
499 for(i = 0; i < config.root.icon_count; i++) {
500 if(strcmp(config.root.icons[i].mime, "all") == 0 || (mime != NULL && tw_wildcard_match(config.root.icons[i].mime, mime))) {
501 icon = config.root.icons[i].icon;
502 }
503 }
504 }
505 return icon;
506}
507
508struct pass_entry {
509 int sock;
510 int port;
511 bool ssl;
512 SOCKADDR addr;
513};
514
515#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
516#define NO_RETURN_THREAD
517void tw_server_pass(void* ptr) {
518#elif defined(__HAIKU__)
519int32_t tw_server_pass(void* ptr) {
520#elif defined(_PSP) || defined(__PPU__)
521int tw_server_pass(void* ptr) {
522#endif
523#if defined(__HAIKU__) || defined(__MINGW32__) || defined(_PSP) || defined(__PPU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
524#define FREE_PTR
525 int sock = ((struct pass_entry*)ptr)->sock;
526 bool ssl = ((struct pass_entry*)ptr)->ssl;
527 int port = ((struct pass_entry*)ptr)->port;
528 SOCKADDR addr = ((struct pass_entry*)ptr)->addr;
529#else
530#define NO_RETURN_THREAD
531 void tw_server_pass(int sock, bool ssl, int port, SOCKADDR addr) {
532#endif
533 SSL* s = NULL;
534#ifndef NO_SSL
535 SSL_CTX* ctx = NULL;
536 bool sslworks = false;
537 if(ssl) {
538 ctx = tw_create_ssl_ctx(port);
539 s = SSL_new(ctx);
540 SSL_set_fd(s, sock);
541 if(SSL_accept(s) <= 0) goto cleanup;
542 sslworks = true;
543 }
544#endif
545 char* name = config.hostname;
546 char address[513];
547 int ret;
548 struct tw_http_request req;
549 struct tw_http_response res;
550 struct tw_tool tools;
551 char* addrstr;
552#ifndef NO_GETNAMEINFO
553 struct sockaddr* sa = (struct sockaddr*)&addr;
554 getnameinfo(sa, sizeof(addr), address, 512, NULL, 0, NI_NUMERICHOST);
555#elif defined(__NETWARE__)
556 address[0] = 0;
557#else
558 addrstr = inet_ntoa(addr.sin_addr);
559 strcpy(address, addrstr);
560 address[strlen(addrstr)] = 0;
561#endif
562#ifdef FREE_PTR
563 free(ptr);
564#endif
565
566 res._processed = false;
567 tw_init_tools(&tools);
568 ret = tw_http_parse(s, sock, &req);
569 if(ret == 0) {
570 char date[513];
571 time_t t = time(NULL);
572 struct tm* tm = localtime(&t);
573 char* useragent = cm_strdup("");
574 int i;
575 char* tmp;
576 char* tmp2;
577 char* tmp3;
578 char* tmp4;
579 char* tmp5;
580 char* log;
581 char* vhost;
582 time_t cmtime;
583 bool rej;
584 char* host;
585 int port;
586 char* chrootpath;
587 struct tw_config_entry* vhost_entry;
588 strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
589
590 for(i = 0; req.headers[i] != NULL; i += 2) {
591 if(cm_strcaseequ(req.headers[i], "User-Agent")) {
592 free(useragent);
593 useragent = cm_strdup(req.headers[i + 1]);
594 }
595 }
596
597 tmp = cm_strcat3(address, " - [", date);
598 tmp2 = cm_strcat3(tmp, "] \"", req.method);
599 tmp3 = cm_strcat3(tmp2, " ", req.path);
600 tmp4 = cm_strcat3(tmp3, " ", req.version);
601 tmp5 = cm_strcat3(tmp4, "\" \"", useragent);
602 log = cm_strcat(tmp5, "\"");
603 free(tmp);
604 free(tmp2);
605 free(tmp3);
606 free(tmp4);
607 free(tmp5);
608 free(useragent);
609 cm_force_log(log);
610 free(log);
611
612 vhost = cm_strdup(config.hostname);
613 cmtime = 0;
614 if(req.headers != NULL) {
615 for(i = 0; req.headers[i] != NULL; i += 2) {
616 if(cm_strcaseequ(req.headers[i], "Host")) {
617 free(vhost);
618 vhost = cm_strdup(req.headers[i + 1]);
619 } else if(cm_strcaseequ(req.headers[i], "If-Modified-Since")) {
620 struct tm tm;
621 time_t t;
622 struct tm* btm;
623 strptime(req.headers[i + 1], "%a, %d %b %Y %H:%M:%S GMT", &tm);
624#if defined(__MINGW32__) || defined(_PSP) || defined(__PPU__) || defined(__ps2sdk__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__) || defined(__USLC__) || defined(__NeXT__) || defined(__bsdi__)
625 t = 0;
626 btm = localtime(&t);
627 cmtime = mktime(&tm);
628 cmtime -= (btm->tm_hour * 60 + btm->tm_min) * 60;
629#else
630 cmtime = timegm(&tm);
631#endif
632 }
633 }
634 }
635 rej = false;
636 cm_log("Server", "Host is %s", vhost);
637 port = s == NULL ? 80 : 443;
638 host = cm_strdup(vhost);
639 for(i = 0; vhost[i] != 0; i++) {
640 if(vhost[i] == ':') {
641 host[i] = 0;
642 port = atoi(host + i + 1);
643 break;
644 }else if(vhost[i] == '['){
645 for(; vhost[i] != 0 && vhost[i] != ']'; i++);
646 }
647 }
648 name = host;
649 cm_log("Server", "Hostname is `%s', port is `%d'", host, port);
650 vhost_entry = tw_vhost_match(host, port);
651#ifdef HAS_CHROOT
652 chrootpath = vhost_entry->chroot_path != NULL ? vhost_entry->chroot_path : config.root.chroot_path;
653 if(chrootpath != NULL) {
654 if(chdir(chrootpath) == 0) {
655 if(chroot(".") == 0) {
656 cm_log("Server", "Chroot successful");
657 }
658 } else {
659 cm_log("Server", "chdir() failed, cannot chroot");
660 tw_http_error(s, sock, 500, name, port, vhost_entry);
661 rej = true;
662 }
663 }
664#endif
665 for(i = 0; i < config.module_count; i++) {
666#ifdef __OS2__
667 tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "MOD_REQUEST");
668#else
669 tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "mod_request");
670#endif
671 if(mod_req != NULL) {
672 int ret = mod_req(&tools, &req, &res);
673 int co = ret & 0xff;
674 if(co == _TW_MODULE_PASS) {
675 continue;
676 } else if(co == _TW_MODULE_STOP) {
677 /* Handle response here ... */
678 res._processed = true;
679 break;
680 } else if(co == _TW_MODULE_STOP2) {
681 res._processed = true;
682 break;
683 } else if(co == _TW_MODULE_ERROR) {
684 tw_http_error(s, sock, (ret & 0xffff00) >> 8, name, port, vhost_entry);
685 break;
686 }
687 }
688 }
689 if(!res._processed) {
690 char* path;
691 char* rpath;
692 struct stat st;
693 char* slash;
694 cm_log("Server", "Document root is %s", vhost_entry->root == NULL ? "not set" : vhost_entry->root);
695 path = cm_strcat(vhost_entry->root == NULL ? "" : vhost_entry->root, req.path);
696 cm_log("Server", "Filesystem path is %s", path);
697#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
698 for(i = strlen(path) - 1; i >= 0; i--) {
699 if(path[i] == '/') {
700 path[i] = 0;
701 } else {
702 break;
703 }
704 }
705#endif
706#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
707 rpath = cm_strdup(path);
708 for(i = strlen(rpath) - 1; i >= 0; i--) {
709 if(rpath[i] == '/') {
710 int j;
711 for(j = i + 1; rpath[j] != 0; j++) {
712 if(rpath[j] == ':' || rpath[j] == '.') {
713 rpath[j] = 0;
714 break;
715 }
716 }
717 break;
718 }
719 }
720 for(i = 0; i < sizeof(reserved_names) / sizeof(reserved_names[0]); i++) {
721 char* n = cm_strcat("/", reserved_names[i]);
722 if(cm_nocase_endswith(rpath, n)) {
723 tw_http_error(s, sock, 403, name, port, vhost_entry);
724 free(n);
725 rej = true;
726 cm_log("Server", "XP Patch ; rejecting access to device");
727 break;
728 }
729 free(n);
730 }
731 free(rpath);
732#endif
733 if(!rej && stat(path, &st) == 0) {
734 if(!tw_permission_allowed(path, addr, req, vhost_entry)) {
735 tw_http_error(s, sock, 403, name, port, vhost_entry);
736 } else if(S_ISDIR(st.st_mode)) {
737 if(req.path[strlen(req.path) - 1] != '/') {
738 char* headers[3] = {"Location", NULL, NULL};
739 headers[1] = cm_strcat(req.path, "/");
740 cm_log("Server", "Accessing directory without the slash at the end");
741 _tw_process_page(s, sock, tw_http_status(301), NULL, NULL, NULL, 0, headers, 0, 0);
742 free(headers[1]);
743 } else {
744 char** indexes = vhost_entry->index_count == 0 ? config.root.indexes : vhost_entry->indexes;
745 int index_count = vhost_entry->index_count == 0 ? config.root.index_count : vhost_entry->index_count;
746 bool found = false;
747 for(i = 0; i < index_count; i++) {
748 char* p = cm_strcat3(path, "/", indexes[i]);
749 FILE* f = fopen(p, "rb");
750 if(f != NULL) {
751 char* ext = NULL;
752 int j;
753 struct stat st;
754 char* mime;
755 for(j = strlen(p) - 1; j >= 0; j--) {
756 if(p[j] == '.') {
757 ext = cm_strdup(p + j);
758 break;
759 } else if(p[j] == '/') {
760 break;
761 }
762 }
763 stat(p, &st);
764 mime = tw_get_mime(ext, vhost_entry);
765 tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, 0, 0);
766 fclose(f);
767 if(ext != NULL) free(ext);
768 free(p);
769 found = true;
770 break;
771 }
772 free(p);
773 }
774 if(!found) {
775 char* str = malloc(1);
776 char** items;
777 int readme;
778 char** readmes;
779 int readme_count;
780 int hp;
781 str[0] = 0;
782 items = cm_scandir(path);
783 addstring(&str, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n");
784 addstring(&str, "<html>\n");
785 addstring(&str, " <head>\n");
786 addstring(&str, " <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n");
787 addstring(&str, " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n");
788 addstring(&str, " <title>Index of %h</title>\n", req.path);
789 addstring(&str, " </head>\n");
790 addstring(&str, " <body>\n");
791 addstring(&str, " <h1>Index of %h</h1>\n", req.path);
792 addstring(&str, " <hr>\n");
793 addstring(&str, " <table border=\"0\">\n");
794 addstring(&str, " <tr>\n");
795 addstring(&str, " <th></th>\n");
796 addstring(&str, " <th>Filename</th>\n");
797 addstring(&str, " <th>Last-modified</th>\n");
798 addstring(&str, " <th>MIME</th>\n");
799 addstring(&str, " <th>Size</th>\n");
800 addstring(&str, " </tr>\n");
801 readme = -1;
802 readmes = vhost_entry->readme_count == 0 ? config.root.readmes : vhost_entry->readmes;
803 readme_count = vhost_entry->readme_count == 0 ? config.root.readme_count : vhost_entry->readme_count;
804 if(items != NULL) {
805 int phase = 0;
806 doit:
807 for(i = 0; items[i] != NULL; i++) {
808 int j;
809 char* ext;
810 char* itm;
811 char* icon;
812 char* fpth = cm_strcat3(path, "/", items[i]);
813 struct stat s;
814 char size[512];
815 char date[512];
816 char* showmime;
817 char* mime;
818 struct tm* tm;
819 size[0] = 0;
820 stat(fpth, &s);
821 tm = localtime(&s.st_mtime);
822 strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
823 if(phase == 0 && !S_ISDIR(s.st_mode)) {
824 free(fpth);
825 continue;
826 } else if(phase == 1 && S_ISDIR(s.st_mode)) {
827 free(fpth);
828 continue;
829 }
830 if(readme == -1) {
831 for(j = 0; j < readme_count; j++) {
832 if(strcmp(items[i], readmes[j]) == 0) {
833 readme = j;
834 break;
835 }
836 }
837 if(readme != -1) {
838 free(fpth);
839 continue;
840 }
841 }
842 if(s.st_size < NUM1024) {
843 sprintf(size, "%d", (int)s.st_size);
844 } else if(s.st_size < NUM1024 * 1024) {
845 sprintf(size, "%.1fK", (double)s.st_size / 1024);
846 } else if(s.st_size < NUM1024 * 1024 * 1024) {
847 sprintf(size, "%.1fM", (double)s.st_size / 1024 / 1024);
848 } else if(s.st_size < NUM1024 * 1024 * 1024 * 1024) {
849 sprintf(size, "%.1fG", (double)s.st_size / 1024 / 1024 / 1024);
850 } else if(s.st_size < NUM1024 * 1024 * 1024 * 1024 * 1024) {
851 sprintf(size, "%.1fT", (double)s.st_size / 1024 / 1024 / 1024 / 1024);
852 }
853
854 free(fpth);
855
856 ext = NULL;
857 for(j = strlen(items[i]) - 1; j >= 0; j--) {
858 if(items[i][j] == '.') {
859 ext = cm_strdup(items[i] + j);
860 break;
861 } else if(items[i][j] == '/') {
862 break;
863 }
864 }
865 showmime = "";
866 mime = tw_get_mime(ext, vhost_entry);
867 if(strcmp(items[i], "../") == 0) {
868 mime = "misc/parent";
869 size[0] = 0;
870 } else if(items[i][strlen(items[i]) - 1] == '/') {
871 mime = "misc/dir";
872 size[0] = 0;
873 } else {
874 showmime = mime;
875 }
876 icon = tw_get_icon(mime, vhost_entry);
877 if(ext != NULL) free(ext);
878 itm = cm_strdup(items[i]);
879 if(strlen(itm) >= 32) {
880 if(itm[strlen(itm) - 1] == '/') {
881 itm[31] = 0;
882 itm[30] = '/';
883 itm[29] = '.';
884 itm[28] = '.';
885 itm[27] = '.';
886 } else {
887 itm[31] = 0;
888 itm[30] = '.';
889 itm[29] = '.';
890 itm[28] = '.';
891 }
892 }
893 addstring(&str, "<tr>\n");
894 addstring(&str, " <td><img src=\"%s\" alt=\"icon\"></td>\n", icon);
895 addstring(&str, " <td><a href=\"%l\"><code>%h</code></a></td>\n", items[i], itm);
896 addstring(&str, " <td><code> %h </code></td>\n", date);
897 addstring(&str, " <td><code> %h </code></td>\n", showmime);
898 addstring(&str, " <td><code> %s </code></td>\n", size);
899 addstring(&str, "</tr>\n");
900 free(itm);
901 }
902 phase++;
903 if(phase != 2) goto doit;
904 for(i = 0; items[i] != NULL; i++) free(items[i]);
905 free(items);
906 }
907 addstring(&str, " </table>\n");
908 if(readme != -1) {
909 struct stat s;
910 FILE* fr;
911 char* fpth;
912 addstring(&str, "<hr>\n");
913 fpth = cm_strcat3(path, "/", readmes[readme]);
914 stat(fpth, &s);
915 fr = fopen(fpth, "r");
916 if(fr != NULL) {
917 char* rmbuf = malloc(s.st_size + 1);
918 rmbuf[s.st_size] = 0;
919 fread(rmbuf, s.st_size, 1, fr);
920 addstring(&str, "<pre><code>%h</code></pre>\n", rmbuf);
921 fclose(fr);
922 free(rmbuf);
923 }
924 free(fpth);
925 }
926 addstring(&str, " <hr>\n");
927 hp = vhost_entry->hideport == -1 ? config.root.hideport : vhost_entry->hideport;
928 if(hp == 0) {
929 addstring(&str, " <address>%s Server at %s Port %d</address>\n", tw_server, name, port);
930 } else {
931 addstring(&str, " <address>%s Server at %s</address>\n", tw_server, name, port);
932 }
933 addstring(&str, " </body>\n");
934 addstring(&str, "</html>\n");
935 tw_process_page(s, sock, tw_http_status(200), "text/html", NULL, str, strlen(str), 0, 0);
936 free(str);
937 }
938 }
939 } else {
940 char* ext = NULL;
941 char* mime;
942 FILE* f;
943 for(i = strlen(req.path) - 1; i >= 0; i--) {
944 if(req.path[i] == '.') {
945 ext = cm_strdup(req.path + i);
946 break;
947 } else if(req.path[i] == '/') {
948 break;
949 }
950 }
951 mime = tw_get_mime(ext, vhost_entry);
952 if(ext != NULL) free(ext);
953 f = fopen(path, "rb");
954 if(f == NULL) {
955 tw_http_error(s, sock, 403, name, port, vhost_entry);
956 } else {
957 tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, st.st_mtime, cmtime);
958 fclose(f);
959 }
960 }
961 } else {
962 if(!rej) {
963 tw_http_error(s, sock, 404, name, port, vhost_entry);
964 }
965 }
966 free(path);
967 }
968 free(vhost);
969 free(host);
970 } else if(ret == -1) {
971 } else {
972 tw_http_error(s, sock, 400, name, port, &config.root);
973 }
974 tw_free_request(&req);
975cleanup:
976#ifndef NO_SSL
977 if(sslworks) {
978 SSL_shutdown(s);
979 }
980 SSL_free(s);
981#endif
982 close_socket(sock);
983#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
984#ifdef __NETWARE__
985 ExitThread(EXIT_THREAD, 0);
986#elif defined(__DOS__)
987#else
988 _endthread();
989#endif
990#elif defined(__HAIKU__)
991 exit_thread(0);
992#endif
993#ifndef NO_RETURN_THREAD
994 return 0;
995#endif
996}
997
998#ifdef SERVICE
999extern SERVICE_STATUS status;
1000extern SERVICE_STATUS_HANDLE status_handle;
1001#endif
1002
1003#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
1004struct thread_entry {
1005#ifdef __HAIKU__
1006 thread_id thread;
1007#elif defined(__NETWARE__)
1008 int thread;
1009#elif defined(__DOS__)
1010#else
1011 HANDLE handle;
1012#endif
1013 bool used;
1014};
1015#endif
1016
1017extern int running;
1018
1019void tw_server_loop(void) {
1020 int i;
1021#ifndef USE_POLL
1022 fd_set fdset;
1023 struct timeval tv;
1024#endif
1025#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_MSC_VER) || defined(__BORLANDC__) || (defined(__WATCOMC__) && !defined(__NETWARE__) && !defined(__DOS__))
1026 struct thread_entry threads[2048];
1027 for(i = 0; i < sizeof(threads) / sizeof(threads[0]); i++) {
1028 threads[i].used = false;
1029 }
1030#endif
1031#ifdef USE_POLL
1032 struct pollfd* pollfds = malloc(sizeof(*pollfds) * sockcount);
1033 for(i = 0; i < sockcount; i++) {
1034 pollfds[i].fd = sockets[i];
1035 pollfds[i].events = POLLIN | POLLPRI;
1036 }
1037#endif
1038 while(running) {
1039 int ret;
1040#ifdef USE_POLL
1041 ret = poll(pollfds, sockcount, 1000);
1042#else
1043 FD_ZERO(&fdset);
1044 for(i = 0; i < sockcount; i++) {
1045 FD_SET(sockets[i], &fdset);
1046 }
1047 tv.tv_sec = 1;
1048 tv.tv_usec = 0;
1049#ifdef __HAIKU__
1050 ret = select(32, &fdset, NULL, NULL, &tv);
1051#else
1052 ret = select(FD_SETSIZE, &fdset, NULL, NULL, &tv);
1053#endif
1054#endif
1055 if(ret == -1) {
1056#if !defined(__MINGW32__) && !defined(_MSC_VER) && !defined(__BORLANDC__) && !defined(__WATCOMC__)
1057 if(errno == EINTR) continue;
1058 cm_log("Server", "Select failure: %s", strerror(errno));
1059#endif
1060 break;
1061 } else if(ret == 0) {
1062#ifdef SERVICE
1063 if(status.dwCurrentState == SERVICE_STOP_PENDING) {
1064 break;
1065 }
1066#endif
1067 } else if(ret > 0) {
1068 /* connection */
1069 int i;
1070 for(i = 0; i < sockcount; i++) {
1071 bool cond;
1072#ifdef USE_POLL
1073 cond = pollfds[i].revents & POLLIN;
1074#else
1075 cond = FD_ISSET(sockets[i], &fdset);
1076#endif
1077 if(cond) {
1078 SOCKADDR claddr;
1079 socklen_t clen = sizeof(claddr);
1080 int sock = accept(sockets[i], (struct sockaddr*)&claddr, &clen);
1081#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_PSP) || defined(__PPU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
1082 int j;
1083 struct pass_entry* e = malloc(sizeof(*e));
1084 cm_log("Server", "New connection accepted");
1085 e->sock = sock;
1086#if defined(_MSC_VER) || defined(__BORLANDC__)
1087 e->ssl = config.ports[i] & (1UL << 31);
1088#else
1089 e->ssl = config.ports[i] & (1ULL << 31);
1090#endif
1091 e->port = config.ports[i];
1092 e->addr = claddr;
1093#endif
1094#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
1095#ifdef __OS2__
1096 _beginthread(tw_server_pass, 0, 0, e);
1097#elif defined(__NETWARE__)
1098 BeginThread(tw_server_pass, NULL, 0, e);
1099#elif defined(__DOS__)
1100 tw_server_pass(e);
1101#else
1102 _beginthread(tw_server_pass, 0, e);
1103#endif
1104#elif defined(_PSP) || defined(__PPU__)
1105 tw_server_pass(e);
1106#elif defined(__HAIKU__)
1107 for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
1108 if(threads[j].used) {
1109 thread_info info;
1110 bool kill = false;
1111 if(get_thread_info(threads[j].thread, &info) == B_OK) {
1112 } else {
1113 kill = true;
1114 }
1115 if(kill) {
1116 threads[j].used = false;
1117 }
1118 }
1119 }
1120 for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
1121 if(!threads[j].used) {
1122 threads[j].thread = spawn_thread(tw_server_pass, "Tewi HTTPd", 60, e);
1123 threads[j].used = true;
1124 resume_thread(threads[j].thread);
1125 break;
1126 }
1127 }
1128#else
1129 pid_t pid = fork();
1130 if(pid == 0) {
1131 int j;
1132 for(j = 0; j < sockcount; j++) close_socket(sockets[j]);
1133 tw_server_pass(sock, config.ports[i] & (1ULL << 31), config.ports[i], claddr);
1134 _exit(0);
1135 } else {
1136 close_socket(sock);
1137 }
1138#endif
1139 }
1140 }
1141 }
1142 }
1143 for(i = 0; i < sockcount; i++) {
1144 close_socket(sockets[i]);
1145 }
1146 cm_force_log("Server is down");
1147}
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