source: Main/trunk/Server/server.c@ 311

Last change on this file since 311 was 311, checked in by Nishi, on Oct 13, 2024 at 10:23:22 AM

attempting to add os/2
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File size: 28.6 KB
Line 
1/* $Id: server.c 311 2024-10-13 01:23:22Z 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__) && !defined(__OS2__))
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#ifdef __USLC__
80typedef int socklen_t;
81#endif
82
83#ifndef S_ISDIR
84#define S_ISDIR(x) ((x) & _S_IFDIR)
85#endif
86
87extern struct tw_config config;
88extern char tw_server[];
89
90int sockcount = 0;
91
92SOCKADDR addresses[MAX_PORTS];
93int sockets[MAX_PORTS];
94
95#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
96const 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
99/* https://qiita.com/gyu-don/items/5a640c6d2252a860c8cd */
100int 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
121void close_socket(int sock) {
122#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
123 closesocket(sock);
124#else
125 close(sock);
126#endif
127}
128
129int tw_server_init(void) {
130 int i;
131#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
132 WSADATA wsa;
133#ifdef USE_WINSOCK1
134 WSAStartup(MAKEWORD(1, 1), &wsa);
135#else
136 WSAStartup(MAKEWORD(2, 0), &wsa);
137#endif
138#endif
139 for(i = 0; config.ports[i] != -1; i++)
140 ;
141 sockcount = i;
142 for(i = 0; config.ports[i] != -1; i++) {
143 int yes = 1;
144 int no = 0;
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
150#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__)
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 }
164#if !defined(__PPU__) && !defined(__minix)
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 }
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 char* chrootpath;
534 struct tw_config_entry* vhost_entry;
535 strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
536
537 for(i = 0; req.headers[i] != NULL; i += 2) {
538 if(cm_strcaseequ(req.headers[i], "User-Agent")) {
539 free(useragent);
540 useragent = cm_strdup(req.headers[i + 1]);
541 }
542 }
543
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, "\"");
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
559 vhost = cm_strdup(config.hostname);
560 cmtime = 0;
561 if(req.headers != NULL) {
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;
568 time_t t;
569 struct tm* btm;
570 strptime(req.headers[i + 1], "%a, %d %b %Y %H:%M:%S GMT", &tm);
571#if defined(__MINGW32__) || defined(_PSP) || defined(__PPU__) || defined(__ps2sdk__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__) || defined(__USLC__)
572 t = 0;
573 btm = localtime(&t);
574 cmtime = mktime(&tm);
575 cmtime -= (btm->tm_hour * 60 + btm->tm_min) * 60;
576#else
577 cmtime = timegm(&tm);
578#endif
579 }
580 }
581 }
582 rej = false;
583 cm_log("Server", "Host is %s", vhost);
584 port = s == NULL ? 80 : 443;
585 host = cm_strdup(vhost);
586 for(i = 0; vhost[i] != 0; i++) {
587 if(vhost[i] == ':') {
588 host[i] = 0;
589 port = atoi(host + i + 1);
590 break;
591 }
592 }
593 name = host;
594 cm_log("Server", "Hostname is `%s', port is `%d'", host, port);
595 vhost_entry = tw_vhost_match(host, port);
596#ifdef HAS_CHROOT
597 chrootpath = vhost_entry->chroot_path != NULL ? vhost_entry->chroot_path : config.root.chroot_path;
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
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;
615 if(co == _TW_MODULE_PASS) {
616 continue;
617 } else if(co == _TW_MODULE_STOP) {
618 /* Handle response here ... */
619 res._processed = true;
620 break;
621 } else if(co == _TW_MODULE_STOP2) {
622 res._processed = true;
623 break;
624 } else if(co == _TW_MODULE_ERROR) {
625 tw_http_error(s, sock, (ret & 0xffff00) >> 8, name, port, vhost_entry);
626 break;
627 }
628 }
629 }
630 if(!res._processed) {
631 char* path;
632 char* rpath;
633 struct stat st;
634 char* slash;
635 cm_log("Server", "Document root is %s", vhost_entry->root == NULL ? "not set" : vhost_entry->root);
636 path = cm_strcat(vhost_entry->root == NULL ? "" : vhost_entry->root, req.path);
637 cm_log("Server", "Filesystem path is %s", path);
638#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
639 for(i = strlen(path) - 1; i >= 0; i--) {
640 if(path[i] == '/') {
641 path[i] = 0;
642 } else {
643 break;
644 }
645 }
646#endif
647#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
648 rpath = cm_strdup(path);
649 for(i = strlen(rpath) - 1; i >= 0; i--) {
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 }
658 break;
659 }
660 }
661 for(i = 0; i < sizeof(reserved_names) / sizeof(reserved_names[0]); i++) {
662 char* n = cm_strcat("/", reserved_names[i]);
663 if(cm_nocase_endswith(rpath, n)) {
664 tw_http_error(s, sock, 403, name, port, vhost_entry);
665 free(n);
666 rej = true;
667 cm_log("Server", "XP Patch ; rejecting access to device");
668 break;
669 }
670 free(n);
671 }
672 free(rpath);
673#endif
674 if(!rej && stat(path, &st) == 0) {
675 if(!tw_permission_allowed(path, addr, req, vhost_entry)) {
676 tw_http_error(s, sock, 403, name, port, vhost_entry);
677 } else if(S_ISDIR(st.st_mode)) {
678 if(req.path[strlen(req.path) - 1] != '/') {
679 char* headers[3] = {"Location", NULL, NULL};
680 headers[1] = cm_strcat(req.path, "/");
681 cm_log("Server", "Accessing directory without the slash at the end");
682 _tw_process_page(s, sock, tw_http_status(301), NULL, NULL, NULL, 0, headers, 0, 0);
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;
694 struct stat st;
695 char* mime;
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 }
703 }
704 stat(p, &st);
705 mime = tw_get_mime(ext, vhost_entry);
706 tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, 0, 0);
707 fclose(f);
708 if(ext != NULL) free(ext);
709 free(p);
710 found = true;
711 break;
712 }
713 free(p);
714 }
715 if(!found) {
716 char* str = malloc(1);
717 char** items;
718 int readme;
719 char** readmes;
720 int readme_count;
721 int hp;
722 str[0] = 0;
723 items = cm_scandir(path);
724 addstring(&str, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n");
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");
728 addstring(&str, " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n");
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");
738 addstring(&str, " <th>MIME</th>\n");
739 addstring(&str, " <th>Size</th>\n");
740 addstring(&str, " </tr>\n");
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;
744 if(items != NULL) {
745 int phase = 0;
746 doit:
747 for(i = 0; items[i] != NULL; i++) {
748 int j;
749 char* ext;
750 char* itm;
751 char* icon;
752 char* fpth = cm_strcat3(path, "/", items[i]);
753 struct stat s;
754 char size[512];
755 char* showmime;
756 char* mime;
757 size[0] = 0;
758 stat(fpth, &s);
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 }
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 }
778 if(s.st_size < NUM1024) {
779 sprintf(size, "%d", (int)s.st_size);
780 } else if(s.st_size < NUM1024 * 1024) {
781 sprintf(size, "%.1fK", (double)s.st_size / 1024);
782 } else if(s.st_size < NUM1024 * 1024 * 1024) {
783 sprintf(size, "%.1fM", (double)s.st_size / 1024 / 1024);
784 } else if(s.st_size < NUM1024 * 1024 * 1024 * 1024) {
785 sprintf(size, "%.1fG", (double)s.st_size / 1024 / 1024 / 1024);
786 } else if(s.st_size < NUM1024 * 1024 * 1024 * 1024 * 1024) {
787 sprintf(size, "%.1fT", (double)s.st_size / 1024 / 1024 / 1024 / 1024);
788 }
789
790 free(fpth);
791
792 ext = NULL;
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 }
801 showmime = "";
802 mime = tw_get_mime(ext, vhost_entry);
803 if(strcmp(items[i], "../") == 0) {
804 mime = "misc/parent";
805 size[0] = 0;
806 } else if(items[i][strlen(items[i]) - 1] == '/') {
807 mime = "misc/dir";
808 size[0] = 0;
809 } else {
810 showmime = mime;
811 }
812 icon = tw_get_icon(mime, vhost_entry);
813 if(ext != NULL) free(ext);
814 itm = cm_strdup(items[i]);
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);
832 addstring(&str, " <td><code> %h </code></td>\n", showmime);
833 addstring(&str, " <td><code> %s </code></td>\n", size);
834 addstring(&str, "</tr>\n");
835 free(itm);
836 }
837 phase++;
838 if(phase != 2) goto doit;
839 for(i = 0; items[i] != NULL; i++) free(items[i]);
840 free(items);
841 }
842 addstring(&str, " </table>\n");
843 if(readme != -1) {
844 struct stat s;
845 FILE* fr;
846 char* fpth;
847 addstring(&str, "<hr>\n");
848 fpth = cm_strcat3(path, "/", readmes[readme]);
849 stat(fpth, &s);
850 fr = fopen(fpth, "r");
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);
857 free(rmbuf);
858 }
859 free(fpth);
860 }
861 addstring(&str, " <hr>\n");
862 hp = vhost_entry->hideport == -1 ? config.root.hideport : vhost_entry->hideport;
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 }
868 addstring(&str, " </body>\n");
869 addstring(&str, "</html>\n");
870 tw_process_page(s, sock, tw_http_status(200), "text/html", NULL, str, strlen(str), 0, 0);
871 free(str);
872 }
873 }
874 } else {
875 char* ext = NULL;
876 char* mime;
877 FILE* f;
878 for(i = strlen(req.path) - 1; i >= 0; i--) {
879 if(req.path[i] == '.') {
880 ext = cm_strdup(req.path + i);
881 break;
882 } else if(req.path[i] == '/') {
883 break;
884 }
885 }
886 mime = tw_get_mime(ext, vhost_entry);
887 if(ext != NULL) free(ext);
888 f = fopen(path, "rb");
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 }
895 }
896 } else {
897 if(!rej) {
898 tw_http_error(s, sock, 404, name, port, vhost_entry);
899 }
900 }
901 free(path);
902 }
903 free(vhost);
904 free(host);
905 } else if(ret == -1) {
906 } else {
907 tw_http_error(s, sock, 400, name, port, &config.root);
908 }
909 tw_free_request(&req);
910cleanup:
911#ifndef NO_SSL
912 if(sslworks) {
913 SSL_shutdown(s);
914 }
915 SSL_free(s);
916#endif
917 close_socket(sock);
918#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
919 _endthread();
920#elif defined(__HAIKU__)
921 exit_thread(0);
922#endif
923#ifndef NO_RETURN_THREAD
924 return 0;
925#endif
926}
927
928#ifdef SERVICE
929extern SERVICE_STATUS status;
930extern SERVICE_STATUS_HANDLE status_handle;
931#endif
932
933#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
934struct thread_entry {
935#ifdef __HAIKU__
936 thread_id thread;
937#else
938 HANDLE handle;
939#endif
940 bool used;
941};
942#endif
943
944extern int running;
945
946void tw_server_loop(void) {
947 int i;
948#ifndef USE_POLL
949 fd_set fdset;
950 struct timeval tv;
951#endif
952#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
953 struct thread_entry threads[2048];
954 for(i = 0; i < sizeof(threads) / sizeof(threads[0]); i++) {
955 threads[i].used = false;
956 }
957#endif
958#ifdef USE_POLL
959 struct pollfd* pollfds = malloc(sizeof(*pollfds) * sockcount);
960 for(i = 0; i < sockcount; i++) {
961 pollfds[i].fd = sockets[i];
962 pollfds[i].events = POLLIN | POLLPRI;
963 }
964#endif
965 while(running) {
966 int ret;
967#ifdef USE_POLL
968 ret = poll(pollfds, sockcount, 1000);
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;
976#ifdef __HAIKU__
977 ret = select(32, &fdset, NULL, NULL, &tv);
978#else
979 ret = select(FD_SETSIZE, &fdset, NULL, NULL, &tv);
980#endif
981#endif
982 if(ret == -1) {
983#if !defined(__MINGW32__) && !defined(_MSC_VER) && !defined(__BORLANDC__) && !defined(__WATCOMC__)
984 if(errno == EINTR) continue;
985 cm_log("Server", "Select failure: %s", strerror(errno));
986#endif
987 break;
988 } else if(ret == 0) {
989#ifdef SERVICE
990 if(status.dwCurrentState == SERVICE_STOP_PENDING) {
991 break;
992 }
993#endif
994 } else if(ret > 0) {
995 /* connection */
996 int i;
997 for(i = 0; i < sockcount; i++) {
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) {
1005 SOCKADDR claddr;
1006 socklen_t clen = sizeof(claddr);
1007 int sock = accept(sockets[i], (struct sockaddr*)&claddr, &clen);
1008#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_PSP) || defined(__PPU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
1009 int j;
1010 struct pass_entry* e = malloc(sizeof(*e));
1011 cm_log("Server", "New connection accepted");
1012 e->sock = sock;
1013#if defined(_MSC_VER) || defined(__BORLANDC__)
1014 e->ssl = config.ports[i] & (1UL << 31);
1015#else
1016 e->ssl = config.ports[i] & (1ULL << 31);
1017#endif
1018 e->port = config.ports[i];
1019 e->addr = claddr;
1020#endif
1021#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
1022 _beginthread(tw_server_pass, 0, e);
1023#elif defined(_PSP) || defined(__PPU__)
1024 tw_server_pass(e);
1025#elif defined(__HAIKU__)
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;
1033 }
1034 if(kill) {
1035 threads[j].used = false;
1036 }
1037 }
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 }
1047#else
1048 pid_t pid = fork();
1049 if(pid == 0) {
1050 int j;
1051 for(j = 0; j < sockcount; j++) close_socket(sockets[j]);
1052 tw_server_pass(sock, config.ports[i] & (1ULL << 31), config.ports[i], claddr);
1053 _exit(0);
1054 } else {
1055 close_socket(sock);
1056 }
1057#endif
1058 }
1059 }
1060 }
1061 }
1062 for(i = 0; i < sockcount; i++) {
1063 close_socket(sockets[i]);
1064 }
1065 cm_force_log("Server is down");
1066}
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