source: Main/trunk/Server/server.c@ 212

Last change on this file since 212 was 212, checked in by Nishi, on Oct 3, 2024 at 2:44:55 AM

compiles on vc6
  • Property svn:keywords set to Id
File size: 27.0 KB
Line 
1/* $Id: server.c 212 2024-10-02 17:44:55Z 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#ifndef _MSC_VER
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)
36#ifndef NO_GETADDRINFO
37#include <ws2tcpip.h>
38#include <wspiapi.h>
39#endif
40#include <winsock2.h>
41#include <process.h>
42#include <windows.h>
43
44#include "strptime.h"
45#else
46#ifdef USE_POLL
47#ifdef __PPU__
48#include <net/poll.h>
49#else
50#include <poll.h>
51#endif
52#else
53#include <sys/select.h>
54#endif
55#include <sys/socket.h>
56#include <arpa/inet.h>
57#include <netinet/in.h>
58#ifndef __PPU__
59#include <netinet/tcp.h>
60#endif
61#ifndef NO_GETADDRINFO
62#include <netdb.h>
63#endif
64#endif
65
66#if defined(_PSP) || defined(__ps2sdk__)
67#include "strptime.h"
68#endif
69
70#ifdef __HAIKU__
71#include <OS.h>
72#endif
73
74#ifndef S_ISDIR
75#define S_ISDIR(x) ((x) & _S_IFDIR)
76#endif
77
78extern struct tw_config config;
79extern char tw_server[];
80
81int sockcount = 0;
82
83SOCKADDR addresses[MAX_PORTS];
84int sockets[MAX_PORTS];
85
86#if defined(__MINGW32__) || defined(_MSC_VER)
87const 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"};
88#endif
89
90/* https://qiita.com/gyu-don/items/5a640c6d2252a860c8cd */
91int tw_wildcard_match(const char* wildcard, const char* target) {
92 const char *pw = wildcard, *pt = target;
93
94 while(1) {
95 if(*pt == 0) {
96 while(*pw == '*') pw++;
97 return *pw == 0;
98 } else if(*pw == 0) {
99 return 0;
100 } else if(*pw == '*') {
101 return *(pw + 1) == 0 || tw_wildcard_match(pw, pt + 1) || tw_wildcard_match(pw + 1, pt);
102 } else if(*pw == '?' || (*pw == *pt)) {
103 pw++;
104 pt++;
105 continue;
106 } else {
107 return 0;
108 }
109 }
110}
111
112void close_socket(int sock) {
113#if defined(__MINGW32__) || defined(_MSC_VER)
114 closesocket(sock);
115#else
116 close(sock);
117#endif
118}
119
120int tw_server_init(void) {
121 int i;
122#if defined(__MINGW32__) || defined(_MSC_VER)
123 WSADATA wsa;
124 WSAStartup(MAKEWORD(2, 0), &wsa);
125#endif
126 for(i = 0; config.ports[i] != -1; i++)
127 ;
128 sockcount = i;
129 for(i = 0; config.ports[i] != -1; i++) {
130 int yes = 1;
131 int no = 0;
132#ifdef NO_IPV6
133 int sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
134#else
135 int sock = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
136#endif
137#if defined(__MINGW32__) || defined(_MSC_VER)
138 if(sock == INVALID_SOCKET)
139#else
140 if(sock < 0)
141#endif
142 {
143 cm_log("Server", "Socket creation failure");
144 return 1;
145 }
146 if(setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(yes)) < 0) {
147 close_socket(sock);
148 cm_log("Server", "setsockopt failure (reuseaddr)");
149 return 1;
150 }
151#ifndef __PPU__
152 if(setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(yes)) < 0) {
153 close_socket(sock);
154 cm_log("Server", "setsockopt failure (nodelay)");
155 return 1;
156 }
157#endif
158#ifndef NO_IPV6
159 if(setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&no, sizeof(no)) < 0) {
160 close_socket(sock);
161 cm_log("Server", "setsockopt failure (IPv6)");
162 return 1;
163 }
164#endif
165 memset(&addresses[i], 0, sizeof(addresses[i]));
166#ifdef NO_IPV6
167 addresses[i].sin_family = AF_INET;
168 addresses[i].sin_addr.s_addr = INADDR_ANY;
169 addresses[i].sin_port = htons(config.ports[i]);
170#else
171 addresses[i].sin6_family = AF_INET6;
172 addresses[i].sin6_addr = in6addr_any;
173 addresses[i].sin6_port = htons(config.ports[i]);
174#endif
175 if(bind(sock, (struct sockaddr*)&addresses[i], sizeof(addresses[i])) < 0) {
176 close_socket(sock);
177 cm_log("Server", "Bind failure");
178 return 1;
179 }
180 if(listen(sock, 128) < 0) {
181 close_socket(sock);
182 cm_log("Server", "Listen failure");
183 return 1;
184 }
185 sockets[i] = sock;
186 }
187 return 0;
188}
189
190size_t tw_read(SSL* ssl, int s, void* data, size_t len) {
191#ifndef NO_SSL
192 if(ssl == NULL) {
193 return recv(s, data, len, 0);
194 } else {
195 return SSL_read(ssl, data, len);
196 }
197#else
198 return recv(s, data, len, 0);
199#endif
200}
201
202size_t tw_write(SSL* ssl, int s, void* data, size_t len) {
203#ifndef NO_SSL
204 if(ssl == NULL) {
205 return send(s, data, len, 0);
206 } else {
207 return SSL_write(ssl, data, len);
208 }
209#else
210 return send(s, data, len, 0);
211#endif
212}
213
214#define ERROR_HTML \
215 "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n" \
216 "<html>\n" \
217 " <head>\n" \
218 " <title>%s</title>\n" \
219 " </head>\n" \
220 " <body>\n" \
221 " <h1>%s</h1>\n" \
222 " <hr>\n" \
223 " ", \
224 address, \
225 "\n" \
226 " </body>\n" \
227 "</html>\n"
228
229void _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) {
230 char construct[512];
231 size_t incr;
232 if(mtime != 0 && cmtime != 0 && mtime <= cmtime) {
233 status = "304 Not Modified";
234 type = NULL;
235 size = 0;
236 headers = NULL;
237 f = NULL;
238 doc = NULL;
239 }
240#ifdef _MSC_VER
241 sprintf(construct, "%lu", (unsigned long)size);
242#else
243 sprintf(construct, "%llu", (unsigned long long)size);
244#endif
245 tw_write(ssl, sock, "HTTP/1.1 ", 9);
246 tw_write(ssl, sock, (char*)status, strlen(status));
247 tw_write(ssl, sock, "\r\n", 2);
248 if(type != NULL) {
249 tw_write(ssl, sock, "Content-Type: ", 7 + 5 + 2);
250 tw_write(ssl, sock, (char*)type, strlen(type));
251 tw_write(ssl, sock, "\r\n", 2);
252 }
253 tw_write(ssl, sock, "Server: ", 6 + 2);
254 tw_write(ssl, sock, tw_server, strlen(tw_server));
255 tw_write(ssl, sock, "\r\n", 2);
256 if(size != 0) {
257 tw_write(ssl, sock, "Content-Length: ", 7 + 7 + 2);
258 tw_write(ssl, sock, construct, strlen(construct));
259 tw_write(ssl, sock, "\r\n", 2);
260 if(mtime != 0) {
261 struct tm* tm = gmtime(&mtime);
262 char date[513];
263 strftime(date, 512, "%a, %d %b %Y %H:%M:%S GMT", tm);
264 tw_write(ssl, sock, "Last-Modified: ", 5 + 8 + 2);
265 tw_write(ssl, sock, date, strlen(date));
266 tw_write(ssl, sock, "\r\n", 2);
267 }
268 }
269 if(headers != NULL) {
270 int i;
271 for(i = 0; headers[i] != NULL; i += 2) {
272 tw_write(ssl, sock, headers[i], strlen(headers[i]));
273 tw_write(ssl, sock, ": ", 2);
274 tw_write(ssl, sock, headers[i + 1], strlen(headers[i + 1]));
275 tw_write(ssl, sock, "\r\n", 2);
276 }
277 }
278 tw_write(ssl, sock, "\r\n", 2);
279 if(doc == NULL && f == NULL) return;
280 incr = 0;
281 while(1) {
282 if(f != NULL) {
283 char buffer[128];
284 fread(buffer, size < 128 ? size : 128, 1, f);
285 tw_write(ssl, sock, buffer, size < 128 ? size : 128);
286 } else {
287 tw_write(ssl, sock, (unsigned char*)doc + incr, size < 128 ? size : 128);
288 }
289 incr += 128;
290 if(size <= 128) break;
291 size -= 128;
292 }
293}
294
295void 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); }
296
297const char* tw_http_status(int code) {
298 if(code == 200) {
299 return "200 OK";
300 } else if(code == 301) {
301 return "301 Moved Permanently";
302 } else if(code == 308) {
303 return "308 Permanent Redirect";
304 } else if(code == 400) {
305 return "400 Bad Request";
306 } else if(code == 401) {
307 return "401 Unauthorized";
308 } else if(code == 403) {
309 return "403 Forbidden";
310 } else if(code == 404) {
311 return "404 Not Found";
312 } else if(code == 500) {
313 return "500 Internal Server Error";
314 } else {
315 return "400 Bad Request";
316 }
317}
318
319char* tw_http_default_error(int code, char* name, int port, struct tw_config_entry* vhost) {
320 char address[1024];
321 char* st;
322 char* st2;
323 char* buffer;
324 char* str;
325 int i;
326
327 if((vhost->hideport == -1 ? config.root.hideport : vhost->hideport) == 1) {
328 sprintf(address, "<address>%s Server at %s</address>", tw_server, name, port);
329 } else {
330 sprintf(address, "<address>%s Server at %s Port %d</address>", tw_server, name, port);
331 }
332
333 st = cm_strdup(tw_http_status(code));
334 for(i = 0; st[i] != 0; i++) {
335 if(st[i] == ' ') {
336 st2 = cm_strdup(st + i + 1);
337 break;
338 }
339 }
340 buffer = malloc(4096);
341 str = cm_strcat3(ERROR_HTML);
342 sprintf(buffer, str, st, st2);
343 free(str);
344 free(st);
345 return buffer;
346}
347
348void tw_http_error(SSL* ssl, int sock, int error, char* name, int port, struct tw_config_entry* vhost) {
349 char* str = tw_http_default_error(error, name, port, vhost);
350 tw_process_page(ssl, sock, tw_http_status(error), "text/html", NULL, str, strlen(str), 0, 0);
351 free(str);
352}
353
354void addstring(char** str, const char* add, ...) {
355 int i;
356 char cbuf[2];
357 va_list va;
358 cbuf[1] = 0;
359 va_start(va, add);
360 for(i = 0; add[i] != 0; i++) {
361 cbuf[0] = add[i];
362 if(add[i] == '%') {
363 i++;
364 if(add[i] == 's') {
365 char* tmp = *str;
366 *str = cm_strcat(tmp, va_arg(va, const char*));
367 free(tmp);
368 } else if(add[i] == 'h') {
369 char* h = cm_html_escape(va_arg(va, const char*));
370 char* tmp = *str;
371 *str = cm_strcat(tmp, h);
372 free(tmp);
373 free(h);
374 } else if(add[i] == 'l') {
375 char* h = cm_url_escape(va_arg(va, const char*));
376 char* tmp = *str;
377 *str = cm_strcat(tmp, h);
378 free(tmp);
379 free(h);
380 } else if(add[i] == 'd') {
381 int n = va_arg(va, int);
382 char* h = malloc(512);
383 char* tmp = *str;
384 sprintf(h, "%d", n);
385 *str = cm_strcat(tmp, h);
386 free(tmp);
387 free(h);
388 } else if(add[i] == '%') {
389 char* tmp = *str;
390 *str = cm_strcat(tmp, "%");
391 free(tmp);
392 }
393 } else {
394 char* tmp = *str;
395 *str = cm_strcat(tmp, cbuf);
396 free(tmp);
397 }
398 }
399 va_end(va);
400}
401
402char* tw_get_mime(const char* ext, struct tw_config_entry* vhost_entry) {
403 char* mime = "application/octet-stream";
404 bool set = false;
405 int i;
406 if(ext == NULL) return mime;
407 for(i = 0; i < vhost_entry->mime_count; i++) {
408 if(strcmp(vhost_entry->mimes[i].ext, "all") == 0 || (ext != NULL && tw_wildcard_match(vhost_entry->mimes[i].ext, ext))) {
409 mime = vhost_entry->mimes[i].mime;
410 set = true;
411 }
412 }
413 if(!set) {
414 for(i = 0; i < config.root.mime_count; i++) {
415 if(strcmp(config.root.mimes[i].ext, "all") == 0 || (ext != NULL && tw_wildcard_match(config.root.mimes[i].ext, ext))) {
416 mime = config.root.mimes[i].mime;
417 }
418 }
419 }
420 return mime;
421}
422
423char* tw_get_icon(const char* mime, struct tw_config_entry* vhost_entry) {
424 char* icon = "";
425 bool set = false;
426 int i;
427 if(mime == NULL) return "";
428 for(i = 0; i < vhost_entry->icon_count; i++) {
429 if(strcmp(vhost_entry->icons[i].mime, "all") == 0 || (mime != NULL && tw_wildcard_match(vhost_entry->icons[i].mime, mime))) {
430 icon = vhost_entry->icons[i].icon;
431 set = true;
432 }
433 }
434 if(!set) {
435 for(i = 0; i < config.root.icon_count; i++) {
436 if(strcmp(config.root.icons[i].mime, "all") == 0 || (mime != NULL && tw_wildcard_match(config.root.icons[i].mime, mime))) {
437 icon = config.root.icons[i].icon;
438 }
439 }
440 }
441 return icon;
442}
443
444struct pass_entry {
445 int sock;
446 int port;
447 bool ssl;
448 SOCKADDR addr;
449};
450
451#if defined(__MINGW32__) || defined(_MSC_VER)
452unsigned int WINAPI tw_server_pass(void* ptr) {
453#elif defined(__HAIKU__)
454int32_t tw_server_pass(void* ptr) {
455#elif defined(_PSP) || defined(__PPU__)
456int tw_server_pass(void* ptr) {
457#endif
458#if defined(__HAIKU__) || defined(__MINGW32__) || defined(_PSP) || defined(__PPU__) || defined(_MSC_VER)
459#define FREE_PTR
460 int sock = ((struct pass_entry*)ptr)->sock;
461 bool ssl = ((struct pass_entry*)ptr)->ssl;
462 int port = ((struct pass_entry*)ptr)->port;
463 SOCKADDR addr = ((struct pass_entry*)ptr)->addr;
464#else
465 void tw_server_pass(int sock, bool ssl, int port, SOCKADDR addr) {
466#endif
467 SSL* s = NULL;
468#ifndef NO_SSL
469 SSL_CTX* ctx = NULL;
470 bool sslworks = false;
471 if(ssl) {
472 ctx = tw_create_ssl_ctx(port);
473 s = SSL_new(ctx);
474 SSL_set_fd(s, sock);
475 if(SSL_accept(s) <= 0) goto cleanup;
476 sslworks = true;
477 }
478#endif
479 char* name = config.hostname;
480 char address[513];
481 int ret;
482 struct tw_http_request req;
483 struct tw_http_response res;
484 struct tw_tool tools;
485#ifndef NO_GETADDRINFO
486 struct sockaddr* sa = (struct sockaddr*)&addr;
487 getnameinfo(sa, sizeof(addr), address, 512, NULL, 0, NI_NUMERICHOST);
488#endif
489 address[0] = 0;
490#ifdef FREE_PTR
491 free(ptr);
492#endif
493
494 res._processed = false;
495 tw_init_tools(&tools);
496 ret = tw_http_parse(s, sock, &req);
497 if(ret == 0) {
498 char date[513];
499 time_t t = time(NULL);
500 struct tm* tm = localtime(&t);
501 char* useragent = cm_strdup("");
502 int i;
503 char* tmp;
504 char* tmp2;
505 char* tmp3;
506 char* tmp4;
507 char* tmp5;
508 char* log;
509 char* vhost;
510 time_t cmtime;
511 bool rej;
512 char* host;
513 int port;
514 struct tw_config_entry* vhost_entry;
515 strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
516
517 for(i = 0; req.headers[i] != NULL; i += 2) {
518 if(cm_strcaseequ(req.headers[i], "User-Agent")) {
519 free(useragent);
520 useragent = cm_strdup(req.headers[i + 1]);
521 }
522 }
523
524 tmp = cm_strcat3(address, " - [", date);
525 tmp2 = cm_strcat3(tmp, "] \"", req.method);
526 tmp3 = cm_strcat3(tmp2, " ", req.path);
527 tmp4 = cm_strcat3(tmp3, " ", req.version);
528 tmp5 = cm_strcat3(tmp4, "\" \"", useragent);
529 log = cm_strcat(tmp5, "\"");
530 free(tmp);
531 free(tmp2);
532 free(tmp3);
533 free(tmp4);
534 free(tmp5);
535 free(useragent);
536 cm_force_log(log);
537 free(log);
538
539 vhost = cm_strdup(config.hostname);
540 cmtime = 0;
541 if(req.headers != NULL) {
542 for(i = 0; req.headers[i] != NULL; i += 2) {
543 if(cm_strcaseequ(req.headers[i], "Host")) {
544 free(vhost);
545 vhost = cm_strdup(req.headers[i + 1]);
546 } else if(cm_strcaseequ(req.headers[i], "If-Modified-Since")) {
547 struct tm tm;
548 time_t t;
549 struct tm* btm;
550 strptime(req.headers[i + 1], "%a, %d %b %Y %H:%M:%S GMT", &tm);
551#if defined(__MINGW32__) || defined(_PSP) || defined(__PPU__) || defined(__ps2sdk__) || defined(_MSC_VER)
552 t = 0;
553 btm = localtime(&t);
554 cmtime = mktime(&tm);
555 cmtime -= (btm->tm_hour * 60 + btm->tm_min) * 60;
556#else
557 cmtime = timegm(&tm);
558#endif
559 }
560 }
561 }
562 rej = false;
563 cm_log("Server", "Host is %s", vhost);
564 port = s == NULL ? 80 : 443;
565 host = cm_strdup(vhost);
566 for(i = 0; vhost[i] != 0; i++) {
567 if(vhost[i] == ':') {
568 host[i] = 0;
569 port = atoi(host + i + 1);
570 break;
571 }
572 }
573 name = host;
574 cm_log("Server", "Hostname is `%s', port is `%d'", host, port);
575 vhost_entry = tw_vhost_match(host, port);
576#ifdef HAS_CHROOT
577 char* chrootpath = vhost_entry->chroot_path != NULL ? vhost_entry->chroot_path : config.root.chroot_path;
578 if(chrootpath != NULL) {
579 if(chdir(chrootpath) == 0) {
580 if(chroot(".") == 0) {
581 cm_log("Server", "Chroot successful");
582 }
583 } else {
584 cm_log("Server", "chdir() failed, cannot chroot");
585 tw_http_error(s, sock, 500, name, port, vhost_entry);
586 rej = true;
587 }
588 }
589#endif
590 for(i = 0; i < config.module_count; i++) {
591 tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "mod_request");
592 if(mod_req != NULL) {
593 int ret = mod_req(&tools, &req, &res);
594 int co = ret & 0xff;
595 if(co == _TW_MODULE_PASS) {
596 continue;
597 } else if(co == _TW_MODULE_STOP) {
598 /* Handle response here ... */
599 res._processed = true;
600 break;
601 } else if(co == _TW_MODULE_STOP2) {
602 res._processed = true;
603 break;
604 } else if(co == _TW_MODULE_ERROR) {
605 tw_http_error(s, sock, (ret & 0xffff00) >> 8, name, port, vhost_entry);
606 break;
607 }
608 }
609 }
610 if(!res._processed) {
611 char* path;
612 char* rpath;
613 struct stat st;
614 cm_log("Server", "Document root is %s", vhost_entry->root == NULL ? "not set" : vhost_entry->root);
615 path = cm_strcat(vhost_entry->root == NULL ? "" : vhost_entry->root, req.path);
616 cm_log("Server", "Filesystem path is %s", path);
617#if defined(__MINGW32__) || defined(_MSC_VER)
618 rpath = cm_strdup(path);
619 for(i = strlen(rpath) - 1; i >= 0; i--) {
620 if(rpath[i] == '/') {
621 int j;
622 for(j = i + 1; rpath[j] != 0; j++) {
623 if(rpath[j] == ':' || rpath[j] == '.') {
624 rpath[j] = 0;
625 break;
626 }
627 }
628 break;
629 }
630 }
631 for(i = 0; i < sizeof(reserved_names) / sizeof(reserved_names[0]); i++) {
632 char* n = cm_strcat("/", reserved_names[i]);
633 if(cm_nocase_endswith(rpath, n)) {
634 tw_http_error(s, sock, 403, name, port, vhost_entry);
635 free(n);
636 rej = true;
637 cm_log("Server", "XP Patch ; rejecting access to device");
638 break;
639 }
640 free(n);
641 }
642 free(rpath);
643#endif
644 if(!rej && stat(path, &st) == 0) {
645 if(!tw_permission_allowed(path, addr, req, vhost_entry)) {
646 tw_http_error(s, sock, 403, name, port, vhost_entry);
647 } else if(S_ISDIR(st.st_mode)) {
648 if(req.path[strlen(req.path) - 1] != '/') {
649 char* headers[3] = {"Location", cm_strcat(req.path, "/"), NULL};
650 cm_log("Server", "Accessing directory without the slash at the end");
651 _tw_process_page(s, sock, tw_http_status(301), NULL, NULL, NULL, 0, headers, 0, 0);
652 free(headers[1]);
653 } else {
654 char** indexes = vhost_entry->index_count == 0 ? config.root.indexes : vhost_entry->indexes;
655 int index_count = vhost_entry->index_count == 0 ? config.root.index_count : vhost_entry->index_count;
656 bool found = false;
657 for(i = 0; i < index_count; i++) {
658 char* p = cm_strcat3(path, "/", indexes[i]);
659 FILE* f = fopen(p, "rb");
660 if(f != NULL) {
661 char* ext = NULL;
662 int j;
663 struct stat st;
664 char* mime;
665 for(j = strlen(p) - 1; j >= 0; j--) {
666 if(p[j] == '.') {
667 ext = cm_strdup(p + j);
668 break;
669 } else if(p[j] == '/') {
670 break;
671 }
672 }
673 stat(p, &st);
674 mime = tw_get_mime(ext, vhost_entry);
675 tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, 0, 0);
676 fclose(f);
677 if(ext != NULL) free(ext);
678 free(p);
679 found = true;
680 break;
681 }
682 free(p);
683 }
684 if(!found) {
685 char* str = malloc(1);
686 char** items;
687 int readme;
688 char** readmes;
689 int readme_count;
690 int hp;
691 str[0] = 0;
692 items = cm_scandir(path);
693 addstring(&str, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n");
694 addstring(&str, "<html>\n");
695 addstring(&str, " <head>\n");
696 addstring(&str, " <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n");
697 addstring(&str, " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n");
698 addstring(&str, " <title>Index of %h</title>\n", req.path);
699 addstring(&str, " </head>\n");
700 addstring(&str, " <body>\n");
701 addstring(&str, " <h1>Index of %h</h1>\n", req.path);
702 addstring(&str, " <hr>\n");
703 addstring(&str, " <table border=\"0\">\n");
704 addstring(&str, " <tr>\n");
705 addstring(&str, " <th></th>\n");
706 addstring(&str, " <th>Filename</th>\n");
707 addstring(&str, " <th>MIME</th>\n");
708 addstring(&str, " <th>Size</th>\n");
709 addstring(&str, " </tr>\n");
710 readme = -1;
711 readmes = vhost_entry->readme_count == 0 ? config.root.readmes : vhost_entry->readmes;
712 readme_count = vhost_entry->readme_count == 0 ? config.root.readme_count : vhost_entry->readme_count;
713 if(items != NULL) {
714 int phase = 0;
715 doit:
716 for(i = 0; items[i] != NULL; i++) {
717 int j;
718 char* ext;
719 char* itm;
720 char* icon;
721 char* fpth = cm_strcat3(path, "/", items[i]);
722 struct stat s;
723 char size[512];
724 char* showmime;
725 char* mime;
726 size[0] = 0;
727 stat(fpth, &s);
728 if(phase == 0 && !S_ISDIR(s.st_mode)) {
729 free(fpth);
730 continue;
731 } else if(phase == 1 && S_ISDIR(s.st_mode)) {
732 free(fpth);
733 continue;
734 }
735 if(readme == -1) {
736 for(j = 0; j < readme_count; j++) {
737 if(strcmp(items[i], readmes[j]) == 0) {
738 readme = j;
739 break;
740 }
741 }
742 if(readme != -1) {
743 free(fpth);
744 continue;
745 }
746 }
747 if(s.st_size < NUM1024) {
748 sprintf(size, "%d", (int)s.st_size);
749 } else if(s.st_size < NUM1024 * 1024) {
750 sprintf(size, "%.1fK", (double)s.st_size / 1024);
751 } else if(s.st_size < NUM1024 * 1024 * 1024) {
752 sprintf(size, "%.1fM", (double)s.st_size / 1024 / 1024);
753 } else if(s.st_size < NUM1024 * 1024 * 1024 * 1024) {
754 sprintf(size, "%.1fG", (double)s.st_size / 1024 / 1024 / 1024);
755 } else if(s.st_size < NUM1024 * 1024 * 1024 * 1024 * 1024) {
756 sprintf(size, "%.1fT", (double)s.st_size / 1024 / 1024 / 1024 / 1024);
757 }
758
759 free(fpth);
760
761 ext = NULL;
762 for(j = strlen(items[i]) - 1; j >= 0; j--) {
763 if(items[i][j] == '.') {
764 ext = cm_strdup(items[i] + j);
765 break;
766 } else if(items[i][j] == '/') {
767 break;
768 }
769 }
770 showmime = "";
771 mime = tw_get_mime(ext, vhost_entry);
772 if(strcmp(items[i], "../") == 0) {
773 mime = "misc/parent";
774 size[0] = 0;
775 } else if(items[i][strlen(items[i]) - 1] == '/') {
776 mime = "misc/dir";
777 size[0] = 0;
778 } else {
779 showmime = mime;
780 }
781 icon = tw_get_icon(mime, vhost_entry);
782 if(ext != NULL) free(ext);
783 itm = cm_strdup(items[i]);
784 if(strlen(itm) >= 32) {
785 if(itm[strlen(itm) - 1] == '/') {
786 itm[31] = 0;
787 itm[30] = '/';
788 itm[29] = '.';
789 itm[28] = '.';
790 itm[27] = '.';
791 } else {
792 itm[31] = 0;
793 itm[30] = '.';
794 itm[29] = '.';
795 itm[28] = '.';
796 }
797 }
798 addstring(&str, "<tr>\n");
799 addstring(&str, " <td><img src=\"%s\" alt=\"icon\"></td>\n", icon);
800 addstring(&str, " <td><a href=\"%l\"><code>%h</code></a></td>\n", items[i], itm);
801 addstring(&str, " <td><code> %h </code></td>\n", showmime);
802 addstring(&str, " <td><code> %s </code></td>\n", size);
803 addstring(&str, "</tr>\n");
804 free(itm);
805 }
806 phase++;
807 if(phase != 2) goto doit;
808 for(i = 0; items[i] != NULL; i++) free(items[i]);
809 free(items);
810 }
811 addstring(&str, " </table>\n");
812 if(readme != -1) {
813 struct stat s;
814 FILE* fr;
815 char* fpth;
816 addstring(&str, "<hr>\n");
817 fpth = cm_strcat3(path, "/", readmes[readme]);
818 stat(fpth, &s);
819 fr = fopen(fpth, "r");
820 if(fr != NULL) {
821 char* rmbuf = malloc(s.st_size + 1);
822 rmbuf[s.st_size] = 0;
823 fread(rmbuf, s.st_size, 1, fr);
824 addstring(&str, "<pre><code>%h</code></pre>\n", rmbuf);
825 fclose(fr);
826 free(rmbuf);
827 }
828 free(fpth);
829 }
830 addstring(&str, " <hr>\n");
831 hp = vhost_entry->hideport == -1 ? config.root.hideport : vhost_entry->hideport;
832 if(hp == 0) {
833 addstring(&str, " <address>%s Server at %s Port %d</address>\n", tw_server, name, port);
834 } else {
835 addstring(&str, " <address>%s Server at %s</address>\n", tw_server, name, port);
836 }
837 addstring(&str, " </body>\n");
838 addstring(&str, "</html>\n");
839 tw_process_page(s, sock, tw_http_status(200), "text/html", NULL, str, strlen(str), 0, 0);
840 free(str);
841 }
842 }
843 } else {
844 char* ext = NULL;
845 char* mime;
846 FILE* f;
847 for(i = strlen(req.path) - 1; i >= 0; i--) {
848 if(req.path[i] == '.') {
849 ext = cm_strdup(req.path + i);
850 break;
851 } else if(req.path[i] == '/') {
852 break;
853 }
854 }
855 mime = tw_get_mime(ext, vhost_entry);
856 if(ext != NULL) free(ext);
857 f = fopen(path, "rb");
858 if(f == NULL) {
859 tw_http_error(s, sock, 403, name, port, vhost_entry);
860 } else {
861 tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, st.st_mtime, cmtime);
862 fclose(f);
863 }
864 }
865 } else {
866 if(!rej) {
867 tw_http_error(s, sock, 404, name, port, vhost_entry);
868 }
869 }
870 free(path);
871 }
872 free(vhost);
873 free(host);
874 } else if(ret == -1) {
875 } else {
876 tw_http_error(s, sock, 400, name, port, &config.root);
877 }
878 tw_free_request(&req);
879cleanup:
880#ifndef NO_SSL
881 if(sslworks) {
882 SSL_shutdown(s);
883 }
884 SSL_free(s);
885#endif
886 close_socket(sock);
887#if defined(__MINGW32__) || defined(_MSC_VER)
888 _endthread(0);
889#elif defined(__HAIKU__)
890 exit_thread(0);
891#endif
892 ;
893}
894
895#ifdef SERVICE
896extern SERVICE_STATUS status;
897extern SERVICE_STATUS_HANDLE status_handle;
898#endif
899
900#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_MSC_VER)
901struct thread_entry {
902#ifdef __HAIKU__
903 thread_id thread;
904#else
905 HANDLE handle;
906#endif
907 bool used;
908};
909#endif
910
911extern int running;
912
913void tw_server_loop(void) {
914 int i;
915#ifndef USE_POLL
916 fd_set fdset;
917 struct timeval tv;
918#endif
919#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_MSC_VER)
920 struct thread_entry threads[2048];
921 for(i = 0; i < sizeof(threads) / sizeof(threads[0]); i++) {
922 threads[i].used = false;
923 }
924#endif
925#ifdef USE_POLL
926 struct pollfd pollfds[sockcount];
927 for(i = 0; i < sockcount; i++) {
928 pollfds[i].fd = sockets[i];
929 pollfds[i].events = POLLIN | POLLPRI;
930 }
931#endif
932 while(running) {
933 int ret;
934#ifdef USE_POLL
935 ret = poll(pollfds, sockcount, 1000);
936#else
937 FD_ZERO(&fdset);
938 for(i = 0; i < sockcount; i++) {
939 FD_SET(sockets[i], &fdset);
940 }
941 tv.tv_sec = 1;
942 tv.tv_usec = 0;
943#ifdef __HAIKU__
944 ret = select(32, &fdset, NULL, NULL, &tv);
945#else
946 ret = select(FD_SETSIZE, &fdset, NULL, NULL, &tv);
947#endif
948#endif
949 if(ret == -1) {
950#if !defined(__MINGW32__) && !defined(_MSC_VER)
951 cm_log("Server", "Select failure: %s", strerror(errno));
952#endif
953 break;
954 } else if(ret == 0) {
955#ifdef SERVICE
956 if(status.dwCurrentState == SERVICE_STOP_PENDING) {
957 break;
958 }
959#endif
960 } else if(ret > 0) {
961 /* connection */
962 int i;
963 for(i = 0; i < sockcount; i++) {
964 bool cond;
965#ifdef USE_POLL
966 cond = pollfds[i].revents & POLLIN;
967#else
968 cond = FD_ISSET(sockets[i], &fdset);
969#endif
970 if(cond) {
971 SOCKADDR claddr;
972 socklen_t clen = sizeof(claddr);
973 int sock = accept(sockets[i], (struct sockaddr*)&claddr, &clen);
974#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_PSP) || defined(__PPU__) || defined(_MSC_VER)
975 int j;
976 struct pass_entry* e = malloc(sizeof(*e));
977 cm_log("Server", "New connection accepted");
978 e->sock = sock;
979#ifdef _MSC_VER
980 e->ssl = config.ports[i] & (1UL << 31);
981#else
982 e->ssl = config.ports[i] & (1ULL << 31);
983#endif
984 e->port = config.ports[i];
985 e->addr = claddr;
986#endif
987#if defined(__MINGW32__) || defined(_MSC_VER)
988 _beginthread(tw_server_pass, 0, e);
989#elif defined(_PSP) || defined(__PPU__)
990 tw_server_pass(e);
991#elif defined(__HAIKU__)
992 for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
993 if(threads[j].used) {
994 thread_info info;
995 bool kill = false;
996 if(get_thread_info(threads[j].thread, &info) == B_OK) {
997 } else {
998 kill = true;
999 }
1000 if(kill) {
1001 threads[j].used = false;
1002 }
1003 }
1004 }
1005 for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
1006 if(!threads[j].used) {
1007 threads[j].thread = spawn_thread(tw_server_pass, "Tewi HTTPd", 60, e);
1008 threads[j].used = true;
1009 resume_thread(threads[j].thread);
1010 break;
1011 }
1012 }
1013#else
1014 pid_t pid = fork();
1015 if(pid == 0) {
1016 int j;
1017 for(j = 0; j < sockcount; j++) close_socket(sockets[j]);
1018 tw_server_pass(sock, config.ports[i] & (1ULL << 31), config.ports[i], claddr);
1019 _exit(0);
1020 } else {
1021 close_socket(sock);
1022 }
1023#endif
1024 }
1025 }
1026 }
1027 }
1028}
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