source: Main/trunk/Server/server.c@ 255

Last change on this file since 255 was 255, checked in by Nishi, on Oct 4, 2024 at 1:08:58 PM

get listdir working [release 2.03E]
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1/* $Id: server.c 255 2024-10-04 04:08:58Z 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 if(setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(yes)) < 0) {
162 close_socket(sock);
163 cm_log("Server", "setsockopt failure (nodelay)");
164 return 1;
165 }
166#endif
167#ifndef NO_IPV6
168 if(setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&no, sizeof(no)) < 0) {
169 close_socket(sock);
170 cm_log("Server", "setsockopt failure (IPv6)");
171 return 1;
172 }
173#endif
174 memset(&addresses[i], 0, sizeof(addresses[i]));
175#ifdef NO_IPV6
176 addresses[i].sin_family = AF_INET;
177 addresses[i].sin_addr.s_addr = INADDR_ANY;
178 addresses[i].sin_port = htons(config.ports[i] & 0xffff);
179#else
180 addresses[i].sin6_family = AF_INET6;
181 addresses[i].sin6_addr = in6addr_any;
182 addresses[i].sin6_port = htons(config.ports[i] & 0xffff);
183#endif
184 if(bind(sock, (struct sockaddr*)&addresses[i], sizeof(addresses[i])) < 0) {
185 close_socket(sock);
186 cm_log("Server", "Bind failure");
187 return 1;
188 }
189 if(listen(sock, 128) < 0) {
190 close_socket(sock);
191 cm_log("Server", "Listen failure");
192 return 1;
193 }
194 sockets[i] = sock;
195 }
196 return 0;
197}
198
199size_t tw_read(SSL* ssl, int s, void* data, size_t len) {
200#ifndef NO_SSL
201 if(ssl == NULL) {
202 return recv(s, data, len, 0);
203 } else {
204 return SSL_read(ssl, data, len);
205 }
206#else
207 return recv(s, data, len, 0);
208#endif
209}
210
211size_t tw_write(SSL* ssl, int s, void* data, size_t len) {
212#ifndef NO_SSL
213 if(ssl == NULL) {
214 return send(s, data, len, 0);
215 } else {
216 return SSL_write(ssl, data, len);
217 }
218#else
219 return send(s, data, len, 0);
220#endif
221}
222
223#define ERROR_HTML \
224 "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n" \
225 "<html>\n" \
226 " <head>\n" \
227 " <title>%s</title>\n" \
228 " </head>\n" \
229 " <body>\n" \
230 " <h1>%s</h1>\n" \
231 " <hr>\n" \
232 " ", \
233 address, \
234 "\n" \
235 " </body>\n" \
236 "</html>\n"
237
238void _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) {
239 char construct[512];
240 size_t incr;
241 if(mtime != 0 && cmtime != 0 && mtime <= cmtime) {
242 status = "304 Not Modified";
243 type = NULL;
244 size = 0;
245 headers = NULL;
246 f = NULL;
247 doc = NULL;
248 }
249#if defined(_MSC_VER) || defined(__BORLANDC__)
250 sprintf(construct, "%lu", (unsigned long)size);
251#else
252 sprintf(construct, "%llu", (unsigned long long)size);
253#endif
254 tw_write(ssl, sock, "HTTP/1.1 ", 9);
255 tw_write(ssl, sock, (char*)status, strlen(status));
256 tw_write(ssl, sock, "\r\n", 2);
257 if(type != NULL) {
258 tw_write(ssl, sock, "Content-Type: ", 7 + 5 + 2);
259 tw_write(ssl, sock, (char*)type, strlen(type));
260 tw_write(ssl, sock, "\r\n", 2);
261 }
262 tw_write(ssl, sock, "Server: ", 6 + 2);
263 tw_write(ssl, sock, tw_server, strlen(tw_server));
264 tw_write(ssl, sock, "\r\n", 2);
265 if(size != 0) {
266 tw_write(ssl, sock, "Content-Length: ", 7 + 7 + 2);
267 tw_write(ssl, sock, construct, strlen(construct));
268 tw_write(ssl, sock, "\r\n", 2);
269 if(mtime != 0) {
270 struct tm* tm = gmtime(&mtime);
271 char date[513];
272 strftime(date, 512, "%a, %d %b %Y %H:%M:%S GMT", tm);
273 tw_write(ssl, sock, "Last-Modified: ", 5 + 8 + 2);
274 tw_write(ssl, sock, date, strlen(date));
275 tw_write(ssl, sock, "\r\n", 2);
276 }
277 }
278 if(headers != NULL) {
279 int i;
280 for(i = 0; headers[i] != NULL; i += 2) {
281 tw_write(ssl, sock, headers[i], strlen(headers[i]));
282 tw_write(ssl, sock, ": ", 2);
283 tw_write(ssl, sock, headers[i + 1], strlen(headers[i + 1]));
284 tw_write(ssl, sock, "\r\n", 2);
285 }
286 }
287 tw_write(ssl, sock, "\r\n", 2);
288 if(doc == NULL && f == NULL) return;
289 incr = 0;
290 while(1) {
291 if(f != NULL) {
292 char buffer[128];
293 fread(buffer, size < 128 ? size : 128, 1, f);
294 tw_write(ssl, sock, buffer, size < 128 ? size : 128);
295 } else {
296 tw_write(ssl, sock, (unsigned char*)doc + incr, size < 128 ? size : 128);
297 }
298 incr += 128;
299 if(size <= 128) break;
300 size -= 128;
301 }
302}
303
304void 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); }
305
306const char* tw_http_status(int code) {
307 if(code == 200) {
308 return "200 OK";
309 } else if(code == 301) {
310 return "301 Moved Permanently";
311 } else if(code == 308) {
312 return "308 Permanent Redirect";
313 } else if(code == 400) {
314 return "400 Bad Request";
315 } else if(code == 401) {
316 return "401 Unauthorized";
317 } else if(code == 403) {
318 return "403 Forbidden";
319 } else if(code == 404) {
320 return "404 Not Found";
321 } else if(code == 500) {
322 return "500 Internal Server Error";
323 } else {
324 return "400 Bad Request";
325 }
326}
327
328char* tw_http_default_error(int code, char* name, int port, struct tw_config_entry* vhost) {
329 char address[1024];
330 char* st;
331 char* st2;
332 char* buffer;
333 char* str;
334 int i;
335
336 if((vhost->hideport == -1 ? config.root.hideport : vhost->hideport) == 1) {
337 sprintf(address, "<address>%s Server at %s</address>", tw_server, name, port);
338 } else {
339 sprintf(address, "<address>%s Server at %s Port %d</address>", tw_server, name, port);
340 }
341
342 st = cm_strdup(tw_http_status(code));
343 for(i = 0; st[i] != 0; i++) {
344 if(st[i] == ' ') {
345 st2 = cm_strdup(st + i + 1);
346 break;
347 }
348 }
349 buffer = malloc(4096);
350 str = cm_strcat3(ERROR_HTML);
351 sprintf(buffer, str, st, st2);
352 free(str);
353 free(st);
354 return buffer;
355}
356
357void tw_http_error(SSL* ssl, int sock, int error, char* name, int port, struct tw_config_entry* vhost) {
358 char* str = tw_http_default_error(error, name, port, vhost);
359 tw_process_page(ssl, sock, tw_http_status(error), "text/html", NULL, str, strlen(str), 0, 0);
360 free(str);
361}
362
363void addstring(char** str, const char* add, ...) {
364 int i;
365 char cbuf[2];
366 va_list va;
367 cbuf[1] = 0;
368 va_start(va, add);
369 for(i = 0; add[i] != 0; i++) {
370 cbuf[0] = add[i];
371 if(add[i] == '%') {
372 i++;
373 if(add[i] == 's') {
374 char* tmp = *str;
375 *str = cm_strcat(tmp, va_arg(va, const char*));
376 free(tmp);
377 } else if(add[i] == 'h') {
378 char* h = cm_html_escape(va_arg(va, const char*));
379 char* tmp = *str;
380 *str = cm_strcat(tmp, h);
381 free(tmp);
382 free(h);
383 } else if(add[i] == 'l') {
384 char* h = cm_url_escape(va_arg(va, const char*));
385 char* tmp = *str;
386 *str = cm_strcat(tmp, h);
387 free(tmp);
388 free(h);
389 } else if(add[i] == 'd') {
390 int n = va_arg(va, int);
391 char* h = malloc(512);
392 char* tmp = *str;
393 sprintf(h, "%d", n);
394 *str = cm_strcat(tmp, h);
395 free(tmp);
396 free(h);
397 } else if(add[i] == '%') {
398 char* tmp = *str;
399 *str = cm_strcat(tmp, "%");
400 free(tmp);
401 }
402 } else {
403 char* tmp = *str;
404 *str = cm_strcat(tmp, cbuf);
405 free(tmp);
406 }
407 }
408 va_end(va);
409}
410
411char* tw_get_mime(const char* ext, struct tw_config_entry* vhost_entry) {
412 char* mime = "application/octet-stream";
413 bool set = false;
414 int i;
415 if(ext == NULL) return mime;
416 for(i = 0; i < vhost_entry->mime_count; i++) {
417 if(strcmp(vhost_entry->mimes[i].ext, "all") == 0 || (ext != NULL && tw_wildcard_match(vhost_entry->mimes[i].ext, ext))) {
418 mime = vhost_entry->mimes[i].mime;
419 set = true;
420 }
421 }
422 if(!set) {
423 for(i = 0; i < config.root.mime_count; i++) {
424 if(strcmp(config.root.mimes[i].ext, "all") == 0 || (ext != NULL && tw_wildcard_match(config.root.mimes[i].ext, ext))) {
425 mime = config.root.mimes[i].mime;
426 }
427 }
428 }
429 return mime;
430}
431
432char* tw_get_icon(const char* mime, struct tw_config_entry* vhost_entry) {
433 char* icon = "";
434 bool set = false;
435 int i;
436 if(mime == NULL) return "";
437 for(i = 0; i < vhost_entry->icon_count; i++) {
438 if(strcmp(vhost_entry->icons[i].mime, "all") == 0 || (mime != NULL && tw_wildcard_match(vhost_entry->icons[i].mime, mime))) {
439 icon = vhost_entry->icons[i].icon;
440 set = true;
441 }
442 }
443 if(!set) {
444 for(i = 0; i < config.root.icon_count; i++) {
445 if(strcmp(config.root.icons[i].mime, "all") == 0 || (mime != NULL && tw_wildcard_match(config.root.icons[i].mime, mime))) {
446 icon = config.root.icons[i].icon;
447 }
448 }
449 }
450 return icon;
451}
452
453struct pass_entry {
454 int sock;
455 int port;
456 bool ssl;
457 SOCKADDR addr;
458};
459
460#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
461#define NO_RETURN_THREAD
462void tw_server_pass(void* ptr) {
463#elif defined(__HAIKU__)
464int32_t tw_server_pass(void* ptr) {
465#elif defined(_PSP) || defined(__PPU__)
466int tw_server_pass(void* ptr) {
467#endif
468#if defined(__HAIKU__) || defined(__MINGW32__) || defined(_PSP) || defined(__PPU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
469#define FREE_PTR
470 int sock = ((struct pass_entry*)ptr)->sock;
471 bool ssl = ((struct pass_entry*)ptr)->ssl;
472 int port = ((struct pass_entry*)ptr)->port;
473 SOCKADDR addr = ((struct pass_entry*)ptr)->addr;
474#else
475#define NO_RETURN_THREAD
476 void tw_server_pass(int sock, bool ssl, int port, SOCKADDR addr) {
477#endif
478 SSL* s = NULL;
479#ifndef NO_SSL
480 SSL_CTX* ctx = NULL;
481 bool sslworks = false;
482 if(ssl) {
483 ctx = tw_create_ssl_ctx(port);
484 s = SSL_new(ctx);
485 SSL_set_fd(s, sock);
486 if(SSL_accept(s) <= 0) goto cleanup;
487 sslworks = true;
488 }
489#endif
490 char* name = config.hostname;
491 char address[513];
492 int ret;
493 struct tw_http_request req;
494 struct tw_http_response res;
495 struct tw_tool tools;
496 char* addrstr;
497#ifndef NO_GETNAMEINFO
498 struct sockaddr* sa = (struct sockaddr*)&addr;
499 getnameinfo(sa, sizeof(addr), address, 512, NULL, 0, NI_NUMERICHOST);
500#endif
501 addrstr = inet_ntoa(addr.sin_addr);
502 strcpy(address, addrstr);
503 address[strlen(addrstr)] = 0;
504#ifdef FREE_PTR
505 free(ptr);
506#endif
507
508 res._processed = false;
509 tw_init_tools(&tools);
510 ret = tw_http_parse(s, sock, &req);
511 if(ret == 0) {
512 char date[513];
513 time_t t = time(NULL);
514 struct tm* tm = localtime(&t);
515 char* useragent = cm_strdup("");
516 int i;
517 char* tmp;
518 char* tmp2;
519 char* tmp3;
520 char* tmp4;
521 char* tmp5;
522 char* log;
523 char* vhost;
524 time_t cmtime;
525 bool rej;
526 char* host;
527 int port;
528 struct tw_config_entry* vhost_entry;
529 strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
530
531 for(i = 0; req.headers[i] != NULL; i += 2) {
532 if(cm_strcaseequ(req.headers[i], "User-Agent")) {
533 free(useragent);
534 useragent = cm_strdup(req.headers[i + 1]);
535 }
536 }
537
538 tmp = cm_strcat3(address, " - [", date);
539 tmp2 = cm_strcat3(tmp, "] \"", req.method);
540 tmp3 = cm_strcat3(tmp2, " ", req.path);
541 tmp4 = cm_strcat3(tmp3, " ", req.version);
542 tmp5 = cm_strcat3(tmp4, "\" \"", useragent);
543 log = cm_strcat(tmp5, "\"");
544 free(tmp);
545 free(tmp2);
546 free(tmp3);
547 free(tmp4);
548 free(tmp5);
549 free(useragent);
550 cm_force_log(log);
551 free(log);
552
553 vhost = cm_strdup(config.hostname);
554 cmtime = 0;
555 if(req.headers != NULL) {
556 for(i = 0; req.headers[i] != NULL; i += 2) {
557 if(cm_strcaseequ(req.headers[i], "Host")) {
558 free(vhost);
559 vhost = cm_strdup(req.headers[i + 1]);
560 } else if(cm_strcaseequ(req.headers[i], "If-Modified-Since")) {
561 struct tm tm;
562 time_t t;
563 struct tm* btm;
564 strptime(req.headers[i + 1], "%a, %d %b %Y %H:%M:%S GMT", &tm);
565#if defined(__MINGW32__) || defined(_PSP) || defined(__PPU__) || defined(__ps2sdk__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
566 t = 0;
567 btm = localtime(&t);
568 cmtime = mktime(&tm);
569 cmtime -= (btm->tm_hour * 60 + btm->tm_min) * 60;
570#else
571 cmtime = timegm(&tm);
572#endif
573 }
574 }
575 }
576 rej = false;
577 cm_log("Server", "Host is %s", vhost);
578 port = s == NULL ? 80 : 443;
579 host = cm_strdup(vhost);
580 for(i = 0; vhost[i] != 0; i++) {
581 if(vhost[i] == ':') {
582 host[i] = 0;
583 port = atoi(host + i + 1);
584 break;
585 }
586 }
587 name = host;
588 cm_log("Server", "Hostname is `%s', port is `%d'", host, port);
589 vhost_entry = tw_vhost_match(host, port);
590#ifdef HAS_CHROOT
591 char* chrootpath = vhost_entry->chroot_path != NULL ? vhost_entry->chroot_path : config.root.chroot_path;
592 if(chrootpath != NULL) {
593 if(chdir(chrootpath) == 0) {
594 if(chroot(".") == 0) {
595 cm_log("Server", "Chroot successful");
596 }
597 } else {
598 cm_log("Server", "chdir() failed, cannot chroot");
599 tw_http_error(s, sock, 500, name, port, vhost_entry);
600 rej = true;
601 }
602 }
603#endif
604 for(i = 0; i < config.module_count; i++) {
605 tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "mod_request");
606 if(mod_req != NULL) {
607 int ret = mod_req(&tools, &req, &res);
608 int co = ret & 0xff;
609 if(co == _TW_MODULE_PASS) {
610 continue;
611 } else if(co == _TW_MODULE_STOP) {
612 /* Handle response here ... */
613 res._processed = true;
614 break;
615 } else if(co == _TW_MODULE_STOP2) {
616 res._processed = true;
617 break;
618 } else if(co == _TW_MODULE_ERROR) {
619 tw_http_error(s, sock, (ret & 0xffff00) >> 8, name, port, vhost_entry);
620 break;
621 }
622 }
623 }
624 if(!res._processed) {
625 char* path;
626 char* rpath;
627 struct stat st;
628 char* slash;
629 cm_log("Server", "Document root is %s", vhost_entry->root == NULL ? "not set" : vhost_entry->root);
630 path = cm_strcat(vhost_entry->root == NULL ? "" : vhost_entry->root, req.path);
631 cm_log("Server", "Filesystem path is %s", path);
632#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
633 for(i = strlen(path) - 1; i >= 0; i--) {
634 if(path[i] == '/') {
635 path[i] = 0;
636 } else {
637 break;
638 }
639 }
640#endif
641#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
642 rpath = cm_strdup(path);
643 for(i = strlen(rpath) - 1; i >= 0; i--) {
644 if(rpath[i] == '/') {
645 int j;
646 for(j = i + 1; rpath[j] != 0; j++) {
647 if(rpath[j] == ':' || rpath[j] == '.') {
648 rpath[j] = 0;
649 break;
650 }
651 }
652 break;
653 }
654 }
655 for(i = 0; i < sizeof(reserved_names) / sizeof(reserved_names[0]); i++) {
656 char* n = cm_strcat("/", reserved_names[i]);
657 if(cm_nocase_endswith(rpath, n)) {
658 tw_http_error(s, sock, 403, name, port, vhost_entry);
659 free(n);
660 rej = true;
661 cm_log("Server", "XP Patch ; rejecting access to device");
662 break;
663 }
664 free(n);
665 }
666 free(rpath);
667#endif
668 if(!rej && stat(path, &st) == 0) {
669 if(!tw_permission_allowed(path, addr, req, vhost_entry)) {
670 tw_http_error(s, sock, 403, name, port, vhost_entry);
671 } else if(S_ISDIR(st.st_mode)) {
672 if(req.path[strlen(req.path) - 1] != '/') {
673 char* headers[3] = {"Location", NULL, NULL};
674 headers[1] = cm_strcat(req.path, "/");
675 cm_log("Server", "Accessing directory without the slash at the end");
676 _tw_process_page(s, sock, tw_http_status(301), NULL, NULL, NULL, 0, headers, 0, 0);
677 free(headers[1]);
678 } else {
679 char** indexes = vhost_entry->index_count == 0 ? config.root.indexes : vhost_entry->indexes;
680 int index_count = vhost_entry->index_count == 0 ? config.root.index_count : vhost_entry->index_count;
681 bool found = false;
682 for(i = 0; i < index_count; i++) {
683 char* p = cm_strcat3(path, "/", indexes[i]);
684 FILE* f = fopen(p, "rb");
685 if(f != NULL) {
686 char* ext = NULL;
687 int j;
688 struct stat st;
689 char* mime;
690 for(j = strlen(p) - 1; j >= 0; j--) {
691 if(p[j] == '.') {
692 ext = cm_strdup(p + j);
693 break;
694 } else if(p[j] == '/') {
695 break;
696 }
697 }
698 stat(p, &st);
699 mime = tw_get_mime(ext, vhost_entry);
700 tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, 0, 0);
701 fclose(f);
702 if(ext != NULL) free(ext);
703 free(p);
704 found = true;
705 break;
706 }
707 free(p);
708 }
709 if(!found) {
710 char* str = malloc(1);
711 char** items;
712 int readme;
713 char** readmes;
714 int readme_count;
715 int hp;
716 str[0] = 0;
717 items = cm_scandir(path);
718 addstring(&str, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n");
719 addstring(&str, "<html>\n");
720 addstring(&str, " <head>\n");
721 addstring(&str, " <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n");
722 addstring(&str, " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n");
723 addstring(&str, " <title>Index of %h</title>\n", req.path);
724 addstring(&str, " </head>\n");
725 addstring(&str, " <body>\n");
726 addstring(&str, " <h1>Index of %h</h1>\n", req.path);
727 addstring(&str, " <hr>\n");
728 addstring(&str, " <table border=\"0\">\n");
729 addstring(&str, " <tr>\n");
730 addstring(&str, " <th></th>\n");
731 addstring(&str, " <th>Filename</th>\n");
732 addstring(&str, " <th>MIME</th>\n");
733 addstring(&str, " <th>Size</th>\n");
734 addstring(&str, " </tr>\n");
735 readme = -1;
736 readmes = vhost_entry->readme_count == 0 ? config.root.readmes : vhost_entry->readmes;
737 readme_count = vhost_entry->readme_count == 0 ? config.root.readme_count : vhost_entry->readme_count;
738 if(items != NULL) {
739 int phase = 0;
740 doit:
741 for(i = 0; items[i] != NULL; i++) {
742 int j;
743 char* ext;
744 char* itm;
745 char* icon;
746 char* fpth = cm_strcat3(path, "/", items[i]);
747 struct stat s;
748 char size[512];
749 char* showmime;
750 char* mime;
751 size[0] = 0;
752 stat(fpth, &s);
753 if(phase == 0 && !S_ISDIR(s.st_mode)) {
754 free(fpth);
755 continue;
756 } else if(phase == 1 && S_ISDIR(s.st_mode)) {
757 free(fpth);
758 continue;
759 }
760 if(readme == -1) {
761 for(j = 0; j < readme_count; j++) {
762 if(strcmp(items[i], readmes[j]) == 0) {
763 readme = j;
764 break;
765 }
766 }
767 if(readme != -1) {
768 free(fpth);
769 continue;
770 }
771 }
772 if(s.st_size < NUM1024) {
773 sprintf(size, "%d", (int)s.st_size);
774 } else if(s.st_size < NUM1024 * 1024) {
775 sprintf(size, "%.1fK", (double)s.st_size / 1024);
776 } else if(s.st_size < NUM1024 * 1024 * 1024) {
777 sprintf(size, "%.1fM", (double)s.st_size / 1024 / 1024);
778 } else if(s.st_size < NUM1024 * 1024 * 1024 * 1024) {
779 sprintf(size, "%.1fG", (double)s.st_size / 1024 / 1024 / 1024);
780 } else if(s.st_size < NUM1024 * 1024 * 1024 * 1024 * 1024) {
781 sprintf(size, "%.1fT", (double)s.st_size / 1024 / 1024 / 1024 / 1024);
782 }
783
784 free(fpth);
785
786 ext = NULL;
787 for(j = strlen(items[i]) - 1; j >= 0; j--) {
788 if(items[i][j] == '.') {
789 ext = cm_strdup(items[i] + j);
790 break;
791 } else if(items[i][j] == '/') {
792 break;
793 }
794 }
795 showmime = "";
796 mime = tw_get_mime(ext, vhost_entry);
797 if(strcmp(items[i], "../") == 0) {
798 mime = "misc/parent";
799 size[0] = 0;
800 } else if(items[i][strlen(items[i]) - 1] == '/') {
801 mime = "misc/dir";
802 size[0] = 0;
803 } else {
804 showmime = mime;
805 }
806 icon = tw_get_icon(mime, vhost_entry);
807 if(ext != NULL) free(ext);
808 itm = cm_strdup(items[i]);
809 if(strlen(itm) >= 32) {
810 if(itm[strlen(itm) - 1] == '/') {
811 itm[31] = 0;
812 itm[30] = '/';
813 itm[29] = '.';
814 itm[28] = '.';
815 itm[27] = '.';
816 } else {
817 itm[31] = 0;
818 itm[30] = '.';
819 itm[29] = '.';
820 itm[28] = '.';
821 }
822 }
823 addstring(&str, "<tr>\n");
824 addstring(&str, " <td><img src=\"%s\" alt=\"icon\"></td>\n", icon);
825 addstring(&str, " <td><a href=\"%l\"><code>%h</code></a></td>\n", items[i], itm);
826 addstring(&str, " <td><code> %h </code></td>\n", showmime);
827 addstring(&str, " <td><code> %s </code></td>\n", size);
828 addstring(&str, "</tr>\n");
829 free(itm);
830 }
831 phase++;
832 if(phase != 2) goto doit;
833 for(i = 0; items[i] != NULL; i++) free(items[i]);
834 free(items);
835 }
836 addstring(&str, " </table>\n");
837 if(readme != -1) {
838 struct stat s;
839 FILE* fr;
840 char* fpth;
841 addstring(&str, "<hr>\n");
842 fpth = cm_strcat3(path, "/", readmes[readme]);
843 stat(fpth, &s);
844 fr = fopen(fpth, "r");
845 if(fr != NULL) {
846 char* rmbuf = malloc(s.st_size + 1);
847 rmbuf[s.st_size] = 0;
848 fread(rmbuf, s.st_size, 1, fr);
849 addstring(&str, "<pre><code>%h</code></pre>\n", rmbuf);
850 fclose(fr);
851 free(rmbuf);
852 }
853 free(fpth);
854 }
855 addstring(&str, " <hr>\n");
856 hp = vhost_entry->hideport == -1 ? config.root.hideport : vhost_entry->hideport;
857 if(hp == 0) {
858 addstring(&str, " <address>%s Server at %s Port %d</address>\n", tw_server, name, port);
859 } else {
860 addstring(&str, " <address>%s Server at %s</address>\n", tw_server, name, port);
861 }
862 addstring(&str, " </body>\n");
863 addstring(&str, "</html>\n");
864 tw_process_page(s, sock, tw_http_status(200), "text/html", NULL, str, strlen(str), 0, 0);
865 free(str);
866 }
867 }
868 } else {
869 char* ext = NULL;
870 char* mime;
871 FILE* f;
872 for(i = strlen(req.path) - 1; i >= 0; i--) {
873 if(req.path[i] == '.') {
874 ext = cm_strdup(req.path + i);
875 break;
876 } else if(req.path[i] == '/') {
877 break;
878 }
879 }
880 mime = tw_get_mime(ext, vhost_entry);
881 if(ext != NULL) free(ext);
882 f = fopen(path, "rb");
883 if(f == NULL) {
884 tw_http_error(s, sock, 403, name, port, vhost_entry);
885 } else {
886 tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, st.st_mtime, cmtime);
887 fclose(f);
888 }
889 }
890 } else {
891 if(!rej) {
892 tw_http_error(s, sock, 404, name, port, vhost_entry);
893 }
894 }
895 free(path);
896 }
897 free(vhost);
898 free(host);
899 } else if(ret == -1) {
900 } else {
901 tw_http_error(s, sock, 400, name, port, &config.root);
902 }
903 tw_free_request(&req);
904cleanup:
905#ifndef NO_SSL
906 if(sslworks) {
907 SSL_shutdown(s);
908 }
909 SSL_free(s);
910#endif
911 close_socket(sock);
912#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
913 _endthread();
914#elif defined(__HAIKU__)
915 exit_thread(0);
916#endif
917#ifndef NO_RETURN_THREAD
918 return 0;
919#endif
920}
921
922#ifdef SERVICE
923extern SERVICE_STATUS status;
924extern SERVICE_STATUS_HANDLE status_handle;
925#endif
926
927#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
928struct thread_entry {
929#ifdef __HAIKU__
930 thread_id thread;
931#else
932 HANDLE handle;
933#endif
934 bool used;
935};
936#endif
937
938extern int running;
939
940void tw_server_loop(void) {
941 int i;
942#ifndef USE_POLL
943 fd_set fdset;
944 struct timeval tv;
945#endif
946#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
947 struct thread_entry threads[2048];
948 for(i = 0; i < sizeof(threads) / sizeof(threads[0]); i++) {
949 threads[i].used = false;
950 }
951#endif
952#ifdef USE_POLL
953 struct pollfd pollfds[sockcount];
954 for(i = 0; i < sockcount; i++) {
955 pollfds[i].fd = sockets[i];
956 pollfds[i].events = POLLIN | POLLPRI;
957 }
958#endif
959 while(running) {
960 int ret;
961#ifdef USE_POLL
962 ret = poll(pollfds, sockcount, 1000);
963#else
964 FD_ZERO(&fdset);
965 for(i = 0; i < sockcount; i++) {
966 FD_SET(sockets[i], &fdset);
967 }
968 tv.tv_sec = 1;
969 tv.tv_usec = 0;
970#ifdef __HAIKU__
971 ret = select(32, &fdset, NULL, NULL, &tv);
972#else
973 ret = select(FD_SETSIZE, &fdset, NULL, NULL, &tv);
974#endif
975#endif
976 if(ret == -1) {
977#if !defined(__MINGW32__) && !defined(_MSC_VER) && !defined(__BORLANDC__) && !defined(__WATCOMC__)
978 cm_log("Server", "Select failure: %s", strerror(errno));
979#endif
980 break;
981 } else if(ret == 0) {
982#ifdef SERVICE
983 if(status.dwCurrentState == SERVICE_STOP_PENDING) {
984 break;
985 }
986#endif
987 } else if(ret > 0) {
988 /* connection */
989 int i;
990 for(i = 0; i < sockcount; i++) {
991 bool cond;
992#ifdef USE_POLL
993 cond = pollfds[i].revents & POLLIN;
994#else
995 cond = FD_ISSET(sockets[i], &fdset);
996#endif
997 if(cond) {
998 SOCKADDR claddr;
999 socklen_t clen = sizeof(claddr);
1000 int sock = accept(sockets[i], (struct sockaddr*)&claddr, &clen);
1001#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_PSP) || defined(__PPU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
1002 int j;
1003 struct pass_entry* e = malloc(sizeof(*e));
1004 cm_log("Server", "New connection accepted");
1005 e->sock = sock;
1006#if defined(_MSC_VER) || defined(__BORLANDC__)
1007 e->ssl = config.ports[i] & (1UL << 31);
1008#else
1009 e->ssl = config.ports[i] & (1ULL << 31);
1010#endif
1011 e->port = config.ports[i];
1012 e->addr = claddr;
1013#endif
1014#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
1015 _beginthread(tw_server_pass, 0, e);
1016#elif defined(_PSP) || defined(__PPU__)
1017 tw_server_pass(e);
1018#elif defined(__HAIKU__)
1019 for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
1020 if(threads[j].used) {
1021 thread_info info;
1022 bool kill = false;
1023 if(get_thread_info(threads[j].thread, &info) == B_OK) {
1024 } else {
1025 kill = true;
1026 }
1027 if(kill) {
1028 threads[j].used = false;
1029 }
1030 }
1031 }
1032 for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
1033 if(!threads[j].used) {
1034 threads[j].thread = spawn_thread(tw_server_pass, "Tewi HTTPd", 60, e);
1035 threads[j].used = true;
1036 resume_thread(threads[j].thread);
1037 break;
1038 }
1039 }
1040#else
1041 pid_t pid = fork();
1042 if(pid == 0) {
1043 int j;
1044 for(j = 0; j < sockcount; j++) close_socket(sockets[j]);
1045 tw_server_pass(sock, config.ports[i] & (1ULL << 31), config.ports[i], claddr);
1046 _exit(0);
1047 } else {
1048 close_socket(sock);
1049 }
1050#endif
1051 }
1052 }
1053 }
1054 }
1055 for(i = 0; i < sockcount; i++) {
1056 close_socket(sockets[i]);
1057 }
1058 cm_force_log("Server is down");
1059}
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