source: Main/trunk/Server/server.c@ 141

Last change on this file since 141 was 141, checked in by Nishi, on Sep 23, 2024 at 8:37:53 PM

adding new module return
  • Property svn:keywords set to Id
File size: 25.2 KB
Line 
1/* $Id: server.c 141 2024-09-23 11:37:53Z 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#include <unistd.h>
19#include <string.h>
20#include <stdbool.h>
21#include <stdarg.h>
22#include <stdio.h>
23#include <stdlib.h>
24#include <errno.h>
25#include <sys/stat.h>
26#include <time.h>
27
28#include <cm_string.h>
29#include <cm_log.h>
30#include <cm_dir.h>
31
32#ifdef __MINGW32__
33#include <ws2tcpip.h>
34#include <wspiapi.h>
35#include <winsock2.h>
36#include <process.h>
37#include <windows.h>
38
39#include "strptime.h"
40#else
41#ifdef USE_POLL
42#include <poll.h>
43#else
44#include <sys/select.h>
45#endif
46#include <sys/socket.h>
47#include <arpa/inet.h>
48#include <netinet/in.h>
49#include <netinet/tcp.h>
50#include <netdb.h>
51#endif
52
53#ifdef __HAIKU__
54#include <OS.h>
55#endif
56
57extern struct tw_config config;
58extern char tw_server[];
59
60int sockcount = 0;
61
62SOCKADDR addresses[MAX_PORTS];
63int sockets[MAX_PORTS];
64
65#ifdef __MINGW32__
66const 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"};
67#endif
68
69/* https://qiita.com/gyu-don/items/5a640c6d2252a860c8cd */
70int tw_wildcard_match(const char* wildcard, const char* target) {
71 const char *pw = wildcard, *pt = target;
72
73 while(1) {
74 if(*pt == 0) {
75 while(*pw == '*') pw++;
76 return *pw == 0;
77 } else if(*pw == 0) {
78 return 0;
79 } else if(*pw == '*') {
80 return *(pw + 1) == 0 || tw_wildcard_match(pw, pt + 1) || tw_wildcard_match(pw + 1, pt);
81 } else if(*pw == '?' || (*pw == *pt)) {
82 pw++;
83 pt++;
84 continue;
85 } else {
86 return 0;
87 }
88 }
89}
90
91void close_socket(int sock) {
92#if defined(__MINGW32__)
93 closesocket(sock);
94#else
95 close(sock);
96#endif
97}
98
99int tw_server_init(void) {
100 int i;
101#ifdef __MINGW32__
102 WSADATA wsa;
103 WSAStartup(MAKEWORD(2, 0), &wsa);
104#endif
105 for(i = 0; config.ports[i] != -1; i++)
106 ;
107 sockcount = i;
108 for(i = 0; config.ports[i] != -1; i++) {
109#ifdef NO_IPV6
110 int sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
111#else
112 int sock = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
113#endif
114#ifdef __MINGW32__
115 if(sock == INVALID_SOCKET)
116#else
117 if(sock < 0)
118#endif
119 {
120 cm_log("Server", "Socket creation failure");
121 return 1;
122 }
123 int yes = 1;
124 if(setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(yes)) < 0) {
125 close_socket(sock);
126 cm_log("Server", "setsockopt failure (reuseaddr)");
127 return 1;
128 }
129 if(setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(yes)) < 0) {
130 close_socket(sock);
131 cm_log("Server", "setsockopt failure (nodelay)");
132 return 1;
133 }
134#ifndef NO_IPV6
135 int no = 0;
136 if(setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&no, sizeof(no)) < 0) {
137 close_socket(sock);
138 cm_log("Server", "setsockopt failure (IPv6)");
139 return 1;
140 }
141#endif
142 memset(&addresses[i], 0, sizeof(addresses[i]));
143#ifdef NO_IPV6
144 addresses[i].sin_family = AF_INET;
145 addresses[i].sin_addr.s_addr = INADDR_ANY;
146 addresses[i].sin_port = htons(config.ports[i]);
147#else
148 addresses[i].sin6_family = AF_INET6;
149 addresses[i].sin6_addr = in6addr_any;
150 addresses[i].sin6_port = htons(config.ports[i]);
151#endif
152 if(bind(sock, (struct sockaddr*)&addresses[i], sizeof(addresses[i])) < 0) {
153 close_socket(sock);
154 cm_log("Server", "Bind failure");
155 return 1;
156 }
157 if(listen(sock, 128) < 0) {
158 close_socket(sock);
159 cm_log("Server", "Listen failure");
160 return 1;
161 }
162 sockets[i] = sock;
163 }
164 return 0;
165}
166
167size_t tw_read(SSL* ssl, int s, void* data, size_t len) {
168#ifndef NO_SSL
169 if(ssl == NULL) {
170 return recv(s, data, len, 0);
171 } else {
172 return SSL_read(ssl, data, len);
173 }
174#else
175 return recv(s, data, len, 0);
176#endif
177}
178
179size_t tw_write(SSL* ssl, int s, void* data, size_t len) {
180#ifndef NO_SSL
181 if(ssl == NULL) {
182 return send(s, data, len, 0);
183 } else {
184 return SSL_write(ssl, data, len);
185 }
186#else
187 return send(s, data, len, 0);
188#endif
189}
190
191#define ERROR_HTML \
192 "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n" \
193 "<html>\n" \
194 " <head>\n" \
195 " <title>%s</title>\n" \
196 " </head>\n" \
197 " <body>\n" \
198 " <h1>%s</h1>\n" \
199 " <hr>\n" \
200 " ", \
201 address, \
202 "\n" \
203 " </body>\n" \
204 "</html>\n"
205
206void _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) {
207 char construct[512];
208 if(mtime != 0 && cmtime != 0 && mtime <= cmtime) {
209 status = "304 Not Modified";
210 type = NULL;
211 size = 0;
212 headers = NULL;
213 f = NULL;
214 doc = NULL;
215 }
216 sprintf(construct, "%llu", (unsigned long long)size);
217 tw_write(ssl, sock, "HTTP/1.1 ", 9);
218 tw_write(ssl, sock, (char*)status, strlen(status));
219 tw_write(ssl, sock, "\r\n", 2);
220 if(type != NULL) {
221 tw_write(ssl, sock, "Content-Type: ", 7 + 5 + 2);
222 tw_write(ssl, sock, (char*)type, strlen(type));
223 tw_write(ssl, sock, "\r\n", 2);
224 }
225 tw_write(ssl, sock, "Server: ", 6 + 2);
226 tw_write(ssl, sock, tw_server, strlen(tw_server));
227 tw_write(ssl, sock, "\r\n", 2);
228 if(size != 0) {
229 tw_write(ssl, sock, "Content-Length: ", 7 + 7 + 2);
230 tw_write(ssl, sock, construct, strlen(construct));
231 tw_write(ssl, sock, "\r\n", 2);
232 if(mtime != 0) {
233 struct tm* tm = gmtime(&mtime);
234 char date[513];
235 strftime(date, 512, "%a, %d %b %Y %H:%M:%S GMT", tm);
236 tw_write(ssl, sock, "Last-Modified: ", 5 + 8 + 2);
237 tw_write(ssl, sock, date, strlen(date));
238 tw_write(ssl, sock, "\r\n", 2);
239 }
240 }
241 int i;
242 if(headers != NULL) {
243 for(i = 0; headers[i] != NULL; i += 2) {
244 tw_write(ssl, sock, headers[i], strlen(headers[i]));
245 tw_write(ssl, sock, ": ", 2);
246 tw_write(ssl, sock, headers[i + 1], strlen(headers[i + 1]));
247 tw_write(ssl, sock, "\r\n", 2);
248 }
249 }
250 tw_write(ssl, sock, "\r\n", 2);
251 if(doc == NULL && f == NULL) return;
252 size_t incr = 0;
253 while(1) {
254 if(f != NULL) {
255 char buffer[128];
256 fread(buffer, size < 128 ? size : 128, 1, f);
257 tw_write(ssl, sock, buffer, size < 128 ? size : 128);
258 } else {
259 tw_write(ssl, sock, (unsigned char*)doc + incr, size < 128 ? size : 128);
260 }
261 incr += 128;
262 if(size <= 128) break;
263 size -= 128;
264 }
265}
266
267void 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); }
268
269const char* tw_http_status(int code) {
270 if(code == 200) {
271 return "200 OK";
272 } else if(code == 308) {
273 return "308 Permanent Redirect";
274 } else if(code == 400) {
275 return "400 Bad Request";
276 } else if(code == 401) {
277 return "401 Unauthorized";
278 } else if(code == 403) {
279 return "403 Forbidden";
280 } else if(code == 404) {
281 return "404 Not Found";
282 } else {
283 return "400 Bad Request";
284 }
285}
286
287char* tw_http_default_error(int code, char* name, int port, struct tw_config_entry* vhost) {
288 char address[1024];
289
290 if((vhost->hideport == -1 ? config.root.hideport : vhost->hideport) == 1) {
291 sprintf(address, "<address>%s Server at %s</address>", tw_server, name, port);
292 } else {
293 sprintf(address, "<address>%s Server at %s Port %d</address>", tw_server, name, port);
294 }
295
296 char* st = cm_strdup(tw_http_status(code));
297 char* st2;
298 int i;
299 for(i = 0; st[i] != 0; i++) {
300 if(st[i] == ' ') {
301 st2 = cm_strdup(st + i + 1);
302 break;
303 }
304 }
305 char* buffer = malloc(4096);
306 char* str = cm_strcat3(ERROR_HTML);
307 sprintf(buffer, str, st, st2);
308 free(str);
309 free(st);
310 return buffer;
311}
312
313void tw_http_error(SSL* ssl, int sock, int error, char* name, int port, struct tw_config_entry* vhost) {
314 char* str = tw_http_default_error(error, name, port, vhost);
315 tw_process_page(ssl, sock, tw_http_status(error), "text/html", NULL, str, strlen(str), 0, 0);
316 free(str);
317}
318
319void addstring(char** str, const char* add, ...) {
320 int i;
321 char cbuf[2];
322 cbuf[1] = 0;
323 va_list va;
324 va_start(va, add);
325 for(i = 0; add[i] != 0; i++) {
326 cbuf[0] = add[i];
327 if(add[i] == '%') {
328 i++;
329 if(add[i] == 's') {
330 char* tmp = *str;
331 *str = cm_strcat(tmp, va_arg(va, const char*));
332 free(tmp);
333 } else if(add[i] == 'h') {
334 char* h = cm_html_escape(va_arg(va, const char*));
335 char* tmp = *str;
336 *str = cm_strcat(tmp, h);
337 free(tmp);
338 free(h);
339 } else if(add[i] == 'l') {
340 char* h = cm_url_escape(va_arg(va, const char*));
341 char* tmp = *str;
342 *str = cm_strcat(tmp, h);
343 free(tmp);
344 free(h);
345 } else if(add[i] == 'd') {
346 int n = va_arg(va, int);
347 char* h = malloc(512);
348 sprintf(h, "%d", n);
349 char* tmp = *str;
350 *str = cm_strcat(tmp, h);
351 free(tmp);
352 free(h);
353 } else if(add[i] == '%') {
354 char* tmp = *str;
355 *str = cm_strcat(tmp, "%");
356 free(tmp);
357 }
358 } else {
359 char* tmp = *str;
360 *str = cm_strcat(tmp, cbuf);
361 free(tmp);
362 }
363 }
364 va_end(va);
365}
366
367char* tw_get_mime(const char* ext, struct tw_config_entry* vhost_entry) {
368 char* mime = "application/octet-stream";
369 if(ext == NULL) return mime;
370 bool set = false;
371 int i;
372 for(i = 0; i < vhost_entry->mime_count; i++) {
373 if(strcmp(vhost_entry->mimes[i].ext, "all") == 0 || (ext != NULL && tw_wildcard_match(vhost_entry->mimes[i].ext, ext))) {
374 mime = vhost_entry->mimes[i].mime;
375 set = true;
376 }
377 }
378 if(!set) {
379 for(i = 0; i < config.root.mime_count; i++) {
380 if(strcmp(config.root.mimes[i].ext, "all") == 0 || (ext != NULL && tw_wildcard_match(config.root.mimes[i].ext, ext))) {
381 mime = config.root.mimes[i].mime;
382 }
383 }
384 }
385 return mime;
386}
387
388char* tw_get_icon(const char* mime, struct tw_config_entry* vhost_entry) {
389 char* icon = "";
390 if(mime == NULL) return "";
391 bool set = false;
392 int i;
393 for(i = 0; i < vhost_entry->icon_count; i++) {
394 if(strcmp(vhost_entry->icons[i].mime, "all") == 0 || (mime != NULL && tw_wildcard_match(vhost_entry->icons[i].mime, mime))) {
395 icon = vhost_entry->icons[i].icon;
396 set = true;
397 }
398 }
399 if(!set) {
400 for(i = 0; i < config.root.icon_count; i++) {
401 if(strcmp(config.root.icons[i].mime, "all") == 0 || (mime != NULL && tw_wildcard_match(config.root.icons[i].mime, mime))) {
402 icon = config.root.icons[i].icon;
403 }
404 }
405 }
406 return icon;
407}
408
409struct pass_entry {
410 int sock;
411 int port;
412 bool ssl;
413 SOCKADDR addr;
414};
415
416#ifdef __MINGW32__
417unsigned int WINAPI tw_server_pass(void* ptr) {
418#elif defined(__HAIKU__)
419int32_t tw_server_pass(void* ptr) {
420#endif
421#if defined(__HAIKU__) || defined(__MINGW32__)
422 int sock = ((struct pass_entry*)ptr)->sock;
423 bool ssl = ((struct pass_entry*)ptr)->ssl;
424 int port = ((struct pass_entry*)ptr)->port;
425 SOCKADDR addr = ((struct pass_entry*)ptr)->addr;
426 free(ptr);
427#else
428 void tw_server_pass(int sock, bool ssl, int port, SOCKADDR addr) {
429#endif
430 char* name = config.hostname;
431
432#ifndef NO_SSL
433 SSL_CTX* ctx = NULL;
434 SSL* s = NULL;
435 bool sslworks = false;
436 if(ssl) {
437 ctx = tw_create_ssl_ctx(port);
438 s = SSL_new(ctx);
439 SSL_set_fd(s, sock);
440 if(SSL_accept(s) <= 0) goto cleanup;
441 sslworks = true;
442 }
443#else
444 void* s = NULL;
445#endif
446
447 char address[513];
448 address[0] = 0;
449 struct sockaddr* sa = (struct sockaddr*)&addr;
450 getnameinfo(sa, sizeof(addr), address, 512, NULL, 0, NI_NUMERICHOST);
451
452 struct tw_http_request req;
453 struct tw_http_response res;
454 struct tw_tool tools;
455 res._processed = false;
456 tw_init_tools(&tools);
457 int ret = tw_http_parse(s, sock, &req);
458 if(ret == 0) {
459 char date[513];
460 time_t t = time(NULL);
461 struct tm* tm = localtime(&t);
462 strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
463
464 char* useragent = cm_strdup("");
465
466 int i;
467 for(i = 0; req.headers[i] != NULL; i += 2) {
468 if(cm_strcaseequ(req.headers[i], "User-Agent")) {
469 free(useragent);
470 useragent = cm_strdup(req.headers[i + 1]);
471 }
472 }
473
474 char* tmp = cm_strcat3(address, " - [", date);
475 char* tmp2 = cm_strcat3(tmp, "] \"", req.method);
476 char* tmp3 = cm_strcat3(tmp2, " ", req.path);
477 char* tmp4 = cm_strcat3(tmp3, " ", req.version);
478 char* tmp5 = cm_strcat3(tmp4, "\" \"", useragent);
479 char* log = cm_strcat(tmp5, "\"");
480 free(tmp);
481 free(tmp2);
482 free(tmp3);
483 free(tmp4);
484 free(tmp5);
485 free(useragent);
486 cm_force_log(log);
487 free(log);
488
489 char* vhost = cm_strdup(config.hostname);
490 time_t cmtime = 0;
491 if(req.headers != NULL) {
492 for(i = 0; req.headers[i] != NULL; i += 2) {
493 if(cm_strcaseequ(req.headers[i], "Host")) {
494 free(vhost);
495 vhost = cm_strdup(req.headers[i + 1]);
496 } else if(cm_strcaseequ(req.headers[i], "If-Modified-Since")) {
497 struct tm tm;
498 strptime(req.headers[i + 1], "%a, %d %b %Y %H:%M:%S GMT", &tm);
499#ifdef __MINGW32__
500 time_t t = 0;
501 struct tm* btm = localtime(&t);
502 cmtime = mktime(&tm);
503 cmtime -= (btm->tm_hour * 60 + btm->tm_min) * 60;
504#else
505 cmtime = timegm(&tm);
506#endif
507 }
508 }
509 }
510 cm_log("Server", "Host is %s", vhost);
511 int port = s == NULL ? 80 : 443;
512 char* host = cm_strdup(vhost);
513 for(i = 0; vhost[i] != 0; i++) {
514 if(vhost[i] == ':') {
515 host[i] = 0;
516 port = atoi(host + i + 1);
517 break;
518 }
519 }
520 name = host;
521 cm_log("Server", "Hostname is `%s', port is `%d'", host, port);
522 struct tw_config_entry* vhost_entry = tw_vhost_match(host, port);
523 for(i = 0; i < config.module_count; i++) {
524 tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "mod_request");
525 if(mod_req != NULL) {
526 int ret = mod_req(&tools, &req, &res);
527 int co = ret & 0xff;
528 if(co == _TW_MODULE_PASS) {
529 continue;
530 } else if(co == _TW_MODULE_STOP) {
531 /* Handle response here ... */
532 res._processed = true;
533 break;
534 } else if(co == _TW_MODULE_STOP2) {
535 res._processed = true;
536 break;
537 } else if(co == _TW_MODULE_ERROR) {
538 tw_http_error(s, sock, (ret & 0xffff00) >> 8, name, port, vhost_entry);
539 break;
540 }
541 }
542 }
543 if(!res._processed) {
544 cm_log("Server", "Document root is %s", vhost_entry->root == NULL ? "not set" : vhost_entry->root);
545 char* path = cm_strcat(vhost_entry->root == NULL ? "" : vhost_entry->root, req.path);
546 cm_log("Server", "Filesystem path is %s", path);
547 bool rej = false;
548#ifdef __MINGW32__
549 char* rpath = cm_strdup(path);
550 for(i = strlen(rpath) - 1; i >= 0; i--) {
551 if(rpath[i] == '/') {
552 int j;
553 for(j = i + 1; rpath[j] != 0; j++) {
554 if(rpath[j] == ':' || rpath[j] == '.') {
555 rpath[j] = 0;
556 break;
557 }
558 }
559 break;
560 }
561 }
562 for(i = 0; i < sizeof(reserved_names) / sizeof(reserved_names[0]); i++) {
563 char* n = cm_strcat("/", reserved_names[i]);
564 if(cm_nocase_endswith(rpath, n)) {
565 tw_http_error(s, sock, 403, name, port, vhost_entry);
566 free(n);
567 rej = true;
568 cm_log("Server", "XP Patch ; rejecting access to device");
569 break;
570 }
571 free(n);
572 }
573 free(rpath);
574#endif
575 struct stat st;
576 if(!rej && stat(path, &st) == 0) {
577 if(!tw_permission_allowed(path, addr, req, vhost_entry)) {
578 tw_http_error(s, sock, 403, name, port, vhost_entry);
579 } else if(S_ISDIR(st.st_mode)) {
580 if(req.path[strlen(req.path) - 1] != '/') {
581 cm_log("Server", "Accessing directory without the slash at the end");
582 char* headers[3] = {"Location", cm_strcat(req.path, "/"), NULL};
583 _tw_process_page(s, sock, tw_http_status(308), NULL, NULL, NULL, 0, headers, 0, 0);
584 free(headers[1]);
585 } else {
586 char** indexes = vhost_entry->index_count == 0 ? config.root.indexes : vhost_entry->indexes;
587 int index_count = vhost_entry->index_count == 0 ? config.root.index_count : vhost_entry->index_count;
588 bool found = false;
589 for(i = 0; i < index_count; i++) {
590 char* p = cm_strcat3(path, "/", indexes[i]);
591 FILE* f = fopen(p, "rb");
592 if(f != NULL) {
593 char* ext = NULL;
594 int j;
595 for(j = strlen(p) - 1; j >= 0; j--) {
596 if(p[j] == '.') {
597 ext = cm_strdup(p + j);
598 break;
599 } else if(p[j] == '/') {
600 break;
601 }
602 }
603 struct stat st;
604 stat(p, &st);
605 char* mime = tw_get_mime(ext, vhost_entry);
606 tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, 0, 0);
607 fclose(f);
608 if(ext != NULL) free(ext);
609 free(p);
610 found = true;
611 break;
612 }
613 free(p);
614 }
615 if(!found) {
616 char* str = malloc(1);
617 str[0] = 0;
618 char** items = cm_scandir(path);
619 addstring(&str, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n");
620 addstring(&str, "<html>\n");
621 addstring(&str, " <head>\n");
622 addstring(&str, " <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n");
623 addstring(&str, " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n");
624 addstring(&str, " <title>Index of %h</title>\n", req.path);
625 addstring(&str, " </head>\n");
626 addstring(&str, " <body>\n");
627 addstring(&str, " <h1>Index of %h</h1>\n", req.path);
628 addstring(&str, " <hr>\n");
629 addstring(&str, " <table border=\"0\">\n");
630 addstring(&str, " <tr>\n");
631 addstring(&str, " <th></th>\n");
632 addstring(&str, " <th>Filename</th>\n");
633 addstring(&str, " <th>MIME</th>\n");
634 addstring(&str, " <th>Size</th>\n");
635 addstring(&str, " </tr>\n");
636 int readme = -1;
637 char** readmes = vhost_entry->readme_count == 0 ? config.root.readmes : vhost_entry->readmes;
638 int readme_count = vhost_entry->readme_count == 0 ? config.root.readme_count : vhost_entry->readme_count;
639 if(items != NULL) {
640 int phase = 0;
641 doit:
642 for(i = 0; items[i] != NULL; i++) {
643 int j;
644 char* fpth = cm_strcat3(path, "/", items[i]);
645 struct stat s;
646 char size[512];
647 size[0] = 0;
648 stat(fpth, &s);
649 if(phase == 0 && !S_ISDIR(s.st_mode)) {
650 free(fpth);
651 continue;
652 } else if(phase == 1 && S_ISDIR(s.st_mode)) {
653 free(fpth);
654 continue;
655 }
656 if(readme == -1) {
657 for(j = 0; j < readme_count; j++) {
658 if(strcmp(items[i], readmes[j]) == 0) {
659 readme = j;
660 break;
661 }
662 }
663 if(readme != -1) {
664 free(fpth);
665 continue;
666 }
667 }
668 if(s.st_size < 1024ULL) {
669 sprintf(size, "%d", (int)s.st_size);
670 } else if(s.st_size < 1024ULL * 1024) {
671 sprintf(size, "%.1fK", (double)s.st_size / 1024);
672 } else if(s.st_size < 1024ULL * 1024 * 1024) {
673 sprintf(size, "%.1fM", (double)s.st_size / 1024 / 1024);
674 } else if(s.st_size < 1024ULL * 1024 * 1024 * 1024) {
675 sprintf(size, "%.1fG", (double)s.st_size / 1024 / 1024 / 1024);
676 } else if(s.st_size < 1024ULL * 1024 * 1024 * 1024 * 1024) {
677 sprintf(size, "%.1fT", (double)s.st_size / 1024 / 1024 / 1024 / 1024);
678 }
679
680 free(fpth);
681
682 char* ext = NULL;
683 for(j = strlen(items[i]) - 1; j >= 0; j--) {
684 if(items[i][j] == '.') {
685 ext = cm_strdup(items[i] + j);
686 break;
687 } else if(items[i][j] == '/') {
688 break;
689 }
690 }
691 char* showmime = "";
692 char* mime = tw_get_mime(ext, vhost_entry);
693 if(strcmp(items[i], "../") == 0) {
694 mime = "misc/parent";
695 size[0] = 0;
696 } else if(items[i][strlen(items[i]) - 1] == '/') {
697 mime = "misc/dir";
698 size[0] = 0;
699 } else {
700 showmime = mime;
701 }
702 char* icon = tw_get_icon(mime, vhost_entry);
703 if(ext != NULL) free(ext);
704 char* itm = cm_strdup(items[i]);
705 if(strlen(itm) >= 32) {
706 if(itm[strlen(itm) - 1] == '/') {
707 itm[31] = 0;
708 itm[30] = '/';
709 itm[29] = '.';
710 itm[28] = '.';
711 itm[27] = '.';
712 } else {
713 itm[31] = 0;
714 itm[30] = '.';
715 itm[29] = '.';
716 itm[28] = '.';
717 }
718 }
719 addstring(&str, "<tr>\n");
720 addstring(&str, " <td><img src=\"%s\" alt=\"icon\"></td>\n", icon);
721 addstring(&str, " <td><a href=\"%l\"><code>%h</code></a></td>\n", items[i], itm);
722 addstring(&str, " <td><code> %h </code></td>\n", showmime);
723 addstring(&str, " <td><code> %s </code></td>\n", size);
724 addstring(&str, "</tr>\n");
725 free(itm);
726 }
727 phase++;
728 if(phase != 2) goto doit;
729 for(i = 0; items[i] != NULL; i++) free(items[i]);
730 free(items);
731 }
732 addstring(&str, " </table>\n");
733 if(readme != -1) {
734 addstring(&str, "<hr>\n");
735 char* fpth = cm_strcat3(path, "/", readmes[readme]);
736 struct stat s;
737 stat(fpth, &s);
738 FILE* fr = fopen(fpth, "r");
739 if(fr != NULL) {
740 char* rmbuf = malloc(s.st_size + 1);
741 rmbuf[s.st_size] = 0;
742 fread(rmbuf, s.st_size, 1, fr);
743 addstring(&str, "<pre><code>%h</code></pre>\n", rmbuf);
744 fclose(fr);
745 free(rmbuf);
746 }
747 free(fpth);
748 }
749 addstring(&str, " <hr>\n");
750 int hp = vhost_entry->hideport == -1 ? config.root.hideport : vhost_entry->hideport;
751 if(hp == 0) {
752 addstring(&str, " <address>%s Server at %s Port %d</address>\n", tw_server, name, port);
753 } else {
754 addstring(&str, " <address>%s Server at %s</address>\n", tw_server, name, port);
755 }
756 addstring(&str, " </body>\n");
757 addstring(&str, "</html>\n");
758 tw_process_page(s, sock, tw_http_status(200), "text/html", NULL, str, strlen(str), 0, 0);
759 free(str);
760 }
761 }
762 } else {
763 char* ext = NULL;
764 for(i = strlen(req.path) - 1; i >= 0; i--) {
765 if(req.path[i] == '.') {
766 ext = cm_strdup(req.path + i);
767 break;
768 } else if(req.path[i] == '/') {
769 break;
770 }
771 }
772 char* mime = tw_get_mime(ext, vhost_entry);
773 if(ext != NULL) free(ext);
774 FILE* f = fopen(path, "rb");
775 tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, st.st_mtime, cmtime);
776 fclose(f);
777 }
778 } else {
779 tw_http_error(s, sock, 404, name, port, vhost_entry);
780 }
781 free(path);
782 }
783 free(vhost);
784 free(host);
785 } else if(ret == -1) {
786 } else {
787 tw_http_error(s, sock, 400, name, port, &config.root);
788 }
789 tw_free_request(&req);
790cleanup:
791#ifndef NO_SSL
792 if(sslworks) {
793 SSL_shutdown(s);
794 }
795 SSL_free(s);
796#endif
797 close_socket(sock);
798#ifdef __MINGW32__
799 _endthreadex(0);
800#elif defined(__HAIKU__)
801 exit_thread(0);
802#endif
803 ;
804}
805
806#ifdef SERVICE
807extern SERVICE_STATUS status;
808extern SERVICE_STATUS_HANDLE status_handle;
809#endif
810
811#if defined(__MINGW32__) || defined(__HAIKU__)
812struct thread_entry {
813#ifdef __HAIKU__
814 thread_id thread;
815#else
816 HANDLE handle;
817#endif
818 bool used;
819};
820#endif
821
822void tw_server_loop(void) {
823 int i;
824#if defined(__MINGW32__) || defined(__HAIKU__)
825 struct thread_entry threads[2048];
826 for(i = 0; i < sizeof(threads) / sizeof(threads[0]); i++) {
827 threads[i].used = false;
828 }
829#endif
830#ifdef USE_POLL
831 struct pollfd pollfds[sockcount];
832 for(i = 0; i < sockcount; i++) {
833 pollfds[i].fd = sockets[i];
834 pollfds[i].events = POLLIN | POLLPRI;
835 }
836#else
837 fd_set fdset;
838 struct timeval tv;
839#endif
840 while(1) {
841#ifdef USE_POLL
842 int ret = poll(pollfds, sockcount, 1000);
843#else
844 FD_ZERO(&fdset);
845 for(i = 0; i < sockcount; i++) {
846 FD_SET(sockets[i], &fdset);
847 }
848 tv.tv_sec = 1;
849 tv.tv_usec = 0;
850#ifdef __HAIKU__
851 int ret = select(32, &fdset, NULL, NULL, &tv);
852#else
853 int ret = select(FD_SETSIZE, &fdset, NULL, NULL, &tv);
854#endif
855#endif
856 if(ret == -1) {
857#ifndef __MINGW32__
858 cm_log("Server", "Select failure: %s", strerror(errno));
859#endif
860 break;
861 } else if(ret == 0) {
862#ifdef SERVICE
863 if(status.dwCurrentState == SERVICE_STOP_PENDING) {
864 break;
865 }
866#endif
867 } else if(ret > 0) {
868 /* connection */
869 int i;
870 for(i = 0; i < sockcount; i++) {
871 bool cond;
872#ifdef USE_POLL
873 cond = pollfds[i].revents & POLLIN;
874#else
875 cond = FD_ISSET(sockets[i], &fdset);
876#endif
877 if(cond) {
878 SOCKADDR claddr;
879 int clen = sizeof(claddr);
880 int sock = accept(sockets[i], (struct sockaddr*)&claddr, &clen);
881 cm_log("Server", "New connection accepted");
882#if defined(__MINGW32__) || defined(__HAIKU__)
883 struct pass_entry* e = malloc(sizeof(*e));
884 e->sock = sock;
885 e->ssl = config.ports[i] & (1ULL << 32);
886 e->port = config.ports[i];
887 e->addr = claddr;
888#endif
889#ifdef __MINGW32__
890 int j;
891 for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
892 if(threads[j].used) {
893 DWORD ex;
894 GetExitCodeThread(threads[j].handle, &ex);
895 if(ex != STILL_ACTIVE) {
896 CloseHandle(threads[j].handle);
897 threads[j].used = false;
898 }
899 }
900 }
901 for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
902 if(!threads[j].used) {
903 threads[j].handle = (HANDLE)_beginthreadex(NULL, 0, tw_server_pass, e, 0, NULL);
904 threads[j].used = true;
905 break;
906 }
907 }
908#elif defined(__HAIKU__)
909 int j;
910 for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
911 if(threads[j].used) {
912 thread_info info;
913 bool kill = false;
914 if(get_thread_info(threads[j].thread, &info) == B_OK) {
915 } else {
916 kill = true;
917 }
918 if(kill) {
919 threads[j].used = false;
920 }
921 }
922 }
923 for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
924 if(!threads[j].used) {
925 threads[j].thread = spawn_thread(tw_server_pass, "Tewi HTTPd", 60, e);
926 threads[j].used = true;
927 resume_thread(threads[j].thread);
928 break;
929 }
930 }
931#else
932 pid_t pid = fork();
933 if(pid == 0) {
934 int j;
935 for(j = 0; j < sockcount; j++) close_socket(sockets[j]);
936 tw_server_pass(sock, config.ports[i] & (1ULL << 32), config.ports[i], claddr);
937 _exit(0);
938 } else {
939 close_socket(sock);
940 }
941#endif
942 }
943 }
944 }
945 }
946}
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