source: Main/trunk/Server/server.c@ 384

Last change on this file since 384 was 384, checked in by Nishi, on Oct 17, 2024 at 7:30:28 PM

use saner number

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File size: 30.2 KB
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[8]1/* $Id: server.c 384 2024-10-17 10:30:28Z nishi $ */
2
[16]3#define SOURCE
4
[43]5#include "../config.h"
6
[8]7#include "tw_server.h"
8
[43]9#ifndef NO_SSL
[12]10#include "tw_ssl.h"
[43]11#endif
12
[8]13#include "tw_config.h"
[16]14#include "tw_http.h"
[18]15#include "tw_module.h"
16#include "tw_version.h"
[8]17
[215]18#if !defined(_MSC_VER) && !defined(__BORLANDC__)
[8]19#include <unistd.h>
[212]20#endif
[312]21#include <ctype.h>
[8]22#include <string.h>
[11]23#include <stdbool.h>
[20]24#include <stdarg.h>
[43]25#include <stdio.h>
26#include <stdlib.h>
[84]27#include <errno.h>
[212]28#include <sys/types.h>
[21]29#include <sys/stat.h>
[32]30#include <time.h>
[8]31
[18]32#include <cm_string.h>
[8]33#include <cm_log.h>
[21]34#include <cm_dir.h>
[8]35
[312]36#ifdef __OS2__
37#include <types.h>
38#include <sys/time.h>
39#define INCL_DOSPROCESS
40#include <os2.h>
41#include <process.h>
42#define HANDLE void*
43
44#include "strptime.h"
45typedef int socklen_t;
46
47#include <tcpustd.h>
48#endif
49
[359]50#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || (defined(__WATCOMC__) && !defined(__OS2__) && !defined(__NETWARE__) && !defined(__DOS__))
[255]51#ifndef NO_GETNAMEINFO
[116]52#include <ws2tcpip.h>
53#include <wspiapi.h>
[163]54#endif
[240]55#ifdef USE_WINSOCK1
56#include <winsock.h>
57#else
[8]58#include <winsock2.h>
[240]59#endif
[11]60#include <process.h>
[62]61#include <windows.h>
[32]62
63#include "strptime.h"
[216]64typedef int socklen_t;
[315]65#elif defined(__NETWARE__)
[361]66#include <sys/bsdskt.h>
[315]67#include <sys/socket.h>
[349]68
69#define IPPROTO_TCP 0
70#define INADDR_ANY 0
[315]71#include "strptime.h"
[349]72typedef int socklen_t;
[361]73
74uint16_t htons(uint16_t n) { return ((n >> 8) & 0xff) | ((n << 8) & 0xff00); }
[359]75#elif defined(__DOS__)
76#include <netinet/tcp.h>
77#include <netinet/in.h>
78#include <arpa/inet.h>
79#include <sys/select.h>
80
81#include "strptime.h"
[8]82#else
[118]83#ifdef USE_POLL
[187]84#ifdef __PPU__
85#include <net/poll.h>
86#else
[118]87#include <poll.h>
[187]88#endif
[118]89#else
[328]90#ifndef __NeXT__
[8]91#include <sys/select.h>
[118]92#endif
[348]93#ifdef __OS2__
94#include <netinet/in.h>
[328]95#endif
[348]96#endif
[8]97#include <sys/socket.h>
98#include <arpa/inet.h>
[331]99#if !defined(__PPU__)
[332]100#ifdef __NeXT__
101#include <netinet/in_systm.h>
102#endif
[8]103#include <netinet/tcp.h>
[187]104#endif
[255]105#ifndef NO_GETNAMEINFO
[116]106#include <netdb.h>
[8]107#endif
[163]108#endif
[8]109
[377]110#if defined(_PSP) || defined(__ps2sdk__) || defined(__bsdi__)
[182]111#include "strptime.h"
112#endif
113
[97]114#ifdef __HAIKU__
115#include <OS.h>
116#endif
117
[334]118#ifdef __NeXT__
119#include <sys/time.h>
120#endif
121
[347]122#if defined(__USLC__) || defined(__NeXT__)
[303]123typedef int socklen_t;
124#endif
125
[212]126#ifndef S_ISDIR
[272]127#define S_ISDIR(x) ((x) & _S_IFDIR)
[212]128#endif
129
[8]130extern struct tw_config config;
[18]131extern char tw_server[];
[8]132
133int sockcount = 0;
134
[9]135SOCKADDR addresses[MAX_PORTS];
136int sockets[MAX_PORTS];
[8]137
[219]138#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
[70]139const char* reserved_names[] = {"CON", "PRN", "AUX", "NUL", "COM1", "COM2", "COM3", "COM4", "COM5", "COM6", "COM7", "COM8", "COM9", "LPT1", "LPT2", "LPT3", "LPT4", "LPT5", "LPT6", "LPT7", "LPT8", "LPT9"};
140#endif
141
[23]142/* https://qiita.com/gyu-don/items/5a640c6d2252a860c8cd */
143int tw_wildcard_match(const char* wildcard, const char* target) {
144 const char *pw = wildcard, *pt = target;
145
146 while(1) {
147 if(*pt == 0) {
148 while(*pw == '*') pw++;
149 return *pw == 0;
150 } else if(*pw == 0) {
151 return 0;
152 } else if(*pw == '*') {
153 return *(pw + 1) == 0 || tw_wildcard_match(pw, pt + 1) || tw_wildcard_match(pw + 1, pt);
[312]154 } else if(*pw == '?' || (tolower(*pw) == tolower(*pt))) {
[23]155 pw++;
156 pt++;
157 continue;
158 } else {
159 return 0;
160 }
161 }
162}
163
[8]164void close_socket(int sock) {
[312]165#ifdef __OS2__
166 soclose(sock);
[315]167#elif defined(__NETWARE__)
168 shutdown(sock, 2);
[312]169#elif defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
[8]170 closesocket(sock);
171#else
172 close(sock);
173#endif
174}
175
176int tw_server_init(void) {
177 int i;
[359]178#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || (defined(__WATCOMC__) && !defined(__OS2__) && !defined(__NETWARE__) && !defined(__DOS__))
[8]179 WSADATA wsa;
[240]180#ifdef USE_WINSOCK1
181 WSAStartup(MAKEWORD(1, 1), &wsa);
182#else
[8]183 WSAStartup(MAKEWORD(2, 0), &wsa);
184#endif
[240]185#endif
[312]186#ifdef __OS2__
187 sock_init();
188#endif
[8]189 for(i = 0; config.ports[i] != -1; i++)
190 ;
191 sockcount = i;
192 for(i = 0; config.ports[i] != -1; i++) {
[212]193 int yes = 1;
194 int no = 0;
[8]195#ifdef NO_IPV6
196 int sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
197#else
198 int sock = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
199#endif
[215]200#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__)
[8]201 if(sock == INVALID_SOCKET)
202#else
203 if(sock < 0)
204#endif
205 {
206 cm_log("Server", "Socket creation failure");
207 return 1;
208 }
209 if(setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(yes)) < 0) {
210 close_socket(sock);
211 cm_log("Server", "setsockopt failure (reuseaddr)");
212 return 1;
213 }
[275]214#if !defined(__PPU__) && !defined(__minix)
[8]215 if(setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(yes)) < 0) {
216 close_socket(sock);
217 cm_log("Server", "setsockopt failure (nodelay)");
218 return 1;
219 }
[187]220#endif
[8]221#ifndef NO_IPV6
222 if(setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&no, sizeof(no)) < 0) {
223 close_socket(sock);
224 cm_log("Server", "setsockopt failure (IPv6)");
225 return 1;
226 }
227#endif
228 memset(&addresses[i], 0, sizeof(addresses[i]));
229#ifdef NO_IPV6
230 addresses[i].sin_family = AF_INET;
231 addresses[i].sin_addr.s_addr = INADDR_ANY;
[214]232 addresses[i].sin_port = htons(config.ports[i] & 0xffff);
[8]233#else
234 addresses[i].sin6_family = AF_INET6;
235 addresses[i].sin6_addr = in6addr_any;
[214]236 addresses[i].sin6_port = htons(config.ports[i] & 0xffff);
[8]237#endif
238 if(bind(sock, (struct sockaddr*)&addresses[i], sizeof(addresses[i])) < 0) {
239 close_socket(sock);
240 cm_log("Server", "Bind failure");
241 return 1;
242 }
243 if(listen(sock, 128) < 0) {
244 close_socket(sock);
245 cm_log("Server", "Listen failure");
246 return 1;
247 }
248 sockets[i] = sock;
249 }
250 return 0;
251}
[9]252
[16]253size_t tw_read(SSL* ssl, int s, void* data, size_t len) {
[43]254#ifndef NO_SSL
[16]255 if(ssl == NULL) {
256 return recv(s, data, len, 0);
257 } else {
258 return SSL_read(ssl, data, len);
259 }
[43]260#else
261 return recv(s, data, len, 0);
262#endif
[16]263}
264
265size_t tw_write(SSL* ssl, int s, void* data, size_t len) {
[43]266#ifndef NO_SSL
[16]267 if(ssl == NULL) {
268 return send(s, data, len, 0);
269 } else {
270 return SSL_write(ssl, data, len);
271 }
[43]272#else
273 return send(s, data, len, 0);
274#endif
[16]275}
276
[20]277#define ERROR_HTML \
[18]278 "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n" \
279 "<html>\n" \
280 " <head>\n" \
[20]281 " <title>%s</title>\n" \
[18]282 " </head>\n" \
283 " <body>\n" \
[20]284 " <h1>%s</h1>\n" \
[18]285 " <hr>\n" \
286 " ", \
287 address, \
288 "\n" \
289 " </body>\n" \
290 "</html>\n"
291
[32]292void _tw_process_page(SSL* ssl, int sock, const char* status, const char* type, FILE* f, const unsigned char* doc, size_t size, char** headers, time_t mtime, time_t cmtime) {
[18]293 char construct[512];
[212]294 size_t incr;
[32]295 if(mtime != 0 && cmtime != 0 && mtime <= cmtime) {
296 status = "304 Not Modified";
297 type = NULL;
298 size = 0;
299 headers = NULL;
300 f = NULL;
301 doc = NULL;
302 }
[215]303#if defined(_MSC_VER) || defined(__BORLANDC__)
[212]304 sprintf(construct, "%lu", (unsigned long)size);
305#else
[18]306 sprintf(construct, "%llu", (unsigned long long)size);
[212]307#endif
[18]308 tw_write(ssl, sock, "HTTP/1.1 ", 9);
309 tw_write(ssl, sock, (char*)status, strlen(status));
310 tw_write(ssl, sock, "\r\n", 2);
[24]311 if(type != NULL) {
312 tw_write(ssl, sock, "Content-Type: ", 7 + 5 + 2);
313 tw_write(ssl, sock, (char*)type, strlen(type));
314 tw_write(ssl, sock, "\r\n", 2);
315 }
[18]316 tw_write(ssl, sock, "Server: ", 6 + 2);
317 tw_write(ssl, sock, tw_server, strlen(tw_server));
318 tw_write(ssl, sock, "\r\n", 2);
[24]319 if(size != 0) {
320 tw_write(ssl, sock, "Content-Length: ", 7 + 7 + 2);
321 tw_write(ssl, sock, construct, strlen(construct));
322 tw_write(ssl, sock, "\r\n", 2);
[32]323 if(mtime != 0) {
324 struct tm* tm = gmtime(&mtime);
325 char date[513];
326 strftime(date, 512, "%a, %d %b %Y %H:%M:%S GMT", tm);
327 tw_write(ssl, sock, "Last-Modified: ", 5 + 8 + 2);
328 tw_write(ssl, sock, date, strlen(date));
329 tw_write(ssl, sock, "\r\n", 2);
330 }
[24]331 }
332 if(headers != NULL) {
[212]333 int i;
[24]334 for(i = 0; headers[i] != NULL; i += 2) {
335 tw_write(ssl, sock, headers[i], strlen(headers[i]));
336 tw_write(ssl, sock, ": ", 2);
337 tw_write(ssl, sock, headers[i + 1], strlen(headers[i + 1]));
338 tw_write(ssl, sock, "\r\n", 2);
339 }
340 }
[18]341 tw_write(ssl, sock, "\r\n", 2);
[24]342 if(doc == NULL && f == NULL) return;
[212]343 incr = 0;
[18]344 while(1) {
[22]345 if(f != NULL) {
[21]346 char buffer[128];
347 fread(buffer, size < 128 ? size : 128, 1, f);
348 tw_write(ssl, sock, buffer, size < 128 ? size : 128);
[22]349 } else {
[21]350 tw_write(ssl, sock, (unsigned char*)doc + incr, size < 128 ? size : 128);
351 }
[18]352 incr += 128;
[19]353 if(size <= 128) break;
[18]354 size -= 128;
355 }
356}
357
[32]358void 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); }
[24]359
[18]360const char* tw_http_status(int code) {
[20]361 if(code == 200) {
362 return "200 OK";
[166]363 } else if(code == 301) {
[167]364 return "301 Moved Permanently";
[24]365 } else if(code == 308) {
366 return "308 Permanent Redirect";
[20]367 } else if(code == 400) {
[18]368 return "400 Bad Request";
[20]369 } else if(code == 401) {
370 return "401 Unauthorized";
371 } else if(code == 403) {
372 return "403 Forbidden";
373 } else if(code == 404) {
374 return "404 Not Found";
[161]375 } else if(code == 500) {
376 return "500 Internal Server Error";
[18]377 } else {
378 return "400 Bad Request";
379 }
380}
381
[123]382char* tw_http_default_error(int code, char* name, int port, struct tw_config_entry* vhost) {
[18]383 char address[1024];
[212]384 char* st;
385 char* st2;
386 char* buffer;
387 char* str;
388 int i;
[20]389
[123]390 if((vhost->hideport == -1 ? config.root.hideport : vhost->hideport) == 1) {
391 sprintf(address, "<address>%s Server at %s</address>", tw_server, name, port);
392 } else {
393 sprintf(address, "<address>%s Server at %s Port %d</address>", tw_server, name, port);
394 }
395
[212]396 st = cm_strdup(tw_http_status(code));
[20]397 for(i = 0; st[i] != 0; i++) {
398 if(st[i] == ' ') {
399 st2 = cm_strdup(st + i + 1);
400 break;
401 }
[18]402 }
[212]403 buffer = malloc(4096);
404 str = cm_strcat3(ERROR_HTML);
[20]405 sprintf(buffer, str, st, st2);
406 free(str);
407 free(st);
408 return buffer;
[18]409}
410
[123]411void tw_http_error(SSL* ssl, int sock, int error, char* name, int port, struct tw_config_entry* vhost) {
412 char* str = tw_http_default_error(error, name, port, vhost);
[32]413 tw_process_page(ssl, sock, tw_http_status(error), "text/html", NULL, str, strlen(str), 0, 0);
[18]414 free(str);
415}
416
[20]417void addstring(char** str, const char* add, ...) {
418 int i;
419 char cbuf[2];
[212]420 va_list va;
[20]421 cbuf[1] = 0;
422 va_start(va, add);
423 for(i = 0; add[i] != 0; i++) {
424 cbuf[0] = add[i];
425 if(add[i] == '%') {
426 i++;
427 if(add[i] == 's') {
428 char* tmp = *str;
429 *str = cm_strcat(tmp, va_arg(va, const char*));
430 free(tmp);
431 } else if(add[i] == 'h') {
432 char* h = cm_html_escape(va_arg(va, const char*));
433 char* tmp = *str;
434 *str = cm_strcat(tmp, h);
435 free(tmp);
436 free(h);
[21]437 } else if(add[i] == 'l') {
438 char* h = cm_url_escape(va_arg(va, const char*));
439 char* tmp = *str;
440 *str = cm_strcat(tmp, h);
441 free(tmp);
442 free(h);
[20]443 } else if(add[i] == 'd') {
444 int n = va_arg(va, int);
445 char* h = malloc(512);
[212]446 char* tmp = *str;
[20]447 sprintf(h, "%d", n);
448 *str = cm_strcat(tmp, h);
449 free(tmp);
450 free(h);
451 } else if(add[i] == '%') {
452 char* tmp = *str;
453 *str = cm_strcat(tmp, "%");
454 free(tmp);
455 }
456 } else {
457 char* tmp = *str;
458 *str = cm_strcat(tmp, cbuf);
459 free(tmp);
460 }
461 }
[74]462 va_end(va);
[20]463}
464
[22]465char* tw_get_mime(const char* ext, struct tw_config_entry* vhost_entry) {
466 char* mime = "application/octet-stream";
467 bool set = false;
468 int i;
[212]469 if(ext == NULL) return mime;
[22]470 for(i = 0; i < vhost_entry->mime_count; i++) {
[23]471 if(strcmp(vhost_entry->mimes[i].ext, "all") == 0 || (ext != NULL && tw_wildcard_match(vhost_entry->mimes[i].ext, ext))) {
[22]472 mime = vhost_entry->mimes[i].mime;
473 set = true;
474 }
475 }
476 if(!set) {
477 for(i = 0; i < config.root.mime_count; i++) {
[23]478 if(strcmp(config.root.mimes[i].ext, "all") == 0 || (ext != NULL && tw_wildcard_match(config.root.mimes[i].ext, ext))) {
[22]479 mime = config.root.mimes[i].mime;
480 }
481 }
482 }
483 return mime;
484}
485
486char* tw_get_icon(const char* mime, struct tw_config_entry* vhost_entry) {
487 char* icon = "";
488 bool set = false;
489 int i;
[212]490 if(mime == NULL) return "";
[22]491 for(i = 0; i < vhost_entry->icon_count; i++) {
[23]492 if(strcmp(vhost_entry->icons[i].mime, "all") == 0 || (mime != NULL && tw_wildcard_match(vhost_entry->icons[i].mime, mime))) {
[22]493 icon = vhost_entry->icons[i].icon;
494 set = true;
495 }
496 }
497 if(!set) {
498 for(i = 0; i < config.root.icon_count; i++) {
[23]499 if(strcmp(config.root.icons[i].mime, "all") == 0 || (mime != NULL && tw_wildcard_match(config.root.icons[i].mime, mime))) {
[22]500 icon = config.root.icons[i].icon;
501 }
502 }
503 }
504 return icon;
505}
506
[11]507struct pass_entry {
508 int sock;
[12]509 int port;
[11]510 bool ssl;
[21]511 SOCKADDR addr;
[11]512};
513
[219]514#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
[216]515#define NO_RETURN_THREAD
[215]516void tw_server_pass(void* ptr) {
[97]517#elif defined(__HAIKU__)
518int32_t tw_server_pass(void* ptr) {
[187]519#elif defined(_PSP) || defined(__PPU__)
[183]520int tw_server_pass(void* ptr) {
[105]521#endif
[219]522#if defined(__HAIKU__) || defined(__MINGW32__) || defined(_PSP) || defined(__PPU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
[212]523#define FREE_PTR
[11]524 int sock = ((struct pass_entry*)ptr)->sock;
525 bool ssl = ((struct pass_entry*)ptr)->ssl;
[14]526 int port = ((struct pass_entry*)ptr)->port;
[21]527 SOCKADDR addr = ((struct pass_entry*)ptr)->addr;
[11]528#else
[216]529#define NO_RETURN_THREAD
[105]530 void tw_server_pass(int sock, bool ssl, int port, SOCKADDR addr) {
[11]531#endif
[212]532 SSL* s = NULL;
[43]533#ifndef NO_SSL
[12]534 SSL_CTX* ctx = NULL;
[15]535 bool sslworks = false;
[12]536 if(ssl) {
537 ctx = tw_create_ssl_ctx(port);
538 s = SSL_new(ctx);
539 SSL_set_fd(s, sock);
540 if(SSL_accept(s) <= 0) goto cleanup;
[15]541 sslworks = true;
[12]542 }
[43]543#endif
[212]544 char* name = config.hostname;
[116]545 char address[513];
[212]546 int ret;
547 struct tw_http_request req;
548 struct tw_http_response res;
549 struct tw_tool tools;
[255]550 char* addrstr;
551#ifndef NO_GETNAMEINFO
[116]552 struct sockaddr* sa = (struct sockaddr*)&addr;
553 getnameinfo(sa, sizeof(addr), address, 512, NULL, 0, NI_NUMERICHOST);
[315]554#elif defined(__NETWARE__)
555 address[0] = 0;
[257]556#else
[315]557 addrstr = inet_ntoa(addr.sin_addr);
558 strcpy(address, addrstr);
559 address[strlen(addrstr)] = 0;
[163]560#endif
[212]561#ifdef FREE_PTR
562 free(ptr);
563#endif
[116]564
[20]565 res._processed = false;
566 tw_init_tools(&tools);
[212]567 ret = tw_http_parse(s, sock, &req);
[17]568 if(ret == 0) {
[116]569 char date[513];
570 time_t t = time(NULL);
571 struct tm* tm = localtime(&t);
[212]572 char* useragent = cm_strdup("");
573 int i;
574 char* tmp;
575 char* tmp2;
576 char* tmp3;
577 char* tmp4;
578 char* tmp5;
579 char* log;
580 char* vhost;
581 time_t cmtime;
582 bool rej;
583 char* host;
584 int port;
[293]585 char* chrootpath;
[212]586 struct tw_config_entry* vhost_entry;
[116]587 strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
588
[117]589 for(i = 0; req.headers[i] != NULL; i += 2) {
590 if(cm_strcaseequ(req.headers[i], "User-Agent")) {
[116]591 free(useragent);
592 useragent = cm_strdup(req.headers[i + 1]);
593 }
594 }
595
[212]596 tmp = cm_strcat3(address, " - [", date);
597 tmp2 = cm_strcat3(tmp, "] \"", req.method);
598 tmp3 = cm_strcat3(tmp2, " ", req.path);
599 tmp4 = cm_strcat3(tmp3, " ", req.version);
600 tmp5 = cm_strcat3(tmp4, "\" \"", useragent);
601 log = cm_strcat(tmp5, "\"");
[116]602 free(tmp);
603 free(tmp2);
604 free(tmp3);
605 free(tmp4);
606 free(tmp5);
607 free(useragent);
608 cm_force_log(log);
609 free(log);
610
[212]611 vhost = cm_strdup(config.hostname);
612 cmtime = 0;
[70]613 if(req.headers != NULL) {
[64]614 for(i = 0; req.headers[i] != NULL; i += 2) {
615 if(cm_strcaseequ(req.headers[i], "Host")) {
616 free(vhost);
617 vhost = cm_strdup(req.headers[i + 1]);
618 } else if(cm_strcaseequ(req.headers[i], "If-Modified-Since")) {
619 struct tm tm;
[212]620 time_t t;
621 struct tm* btm;
[64]622 strptime(req.headers[i + 1], "%a, %d %b %Y %H:%M:%S GMT", &tm);
[377]623#if defined(__MINGW32__) || defined(_PSP) || defined(__PPU__) || defined(__ps2sdk__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__) || defined(__USLC__) || defined(__NeXT__) || defined(__bsdi__)
[212]624 t = 0;
625 btm = localtime(&t);
[64]626 cmtime = mktime(&tm);
627 cmtime -= (btm->tm_hour * 60 + btm->tm_min) * 60;
[32]628#else
[140]629 cmtime = timegm(&tm);
[32]630#endif
[64]631 }
[21]632 }
633 }
[212]634 rej = false;
[21]635 cm_log("Server", "Host is %s", vhost);
[212]636 port = s == NULL ? 80 : 443;
637 host = cm_strdup(vhost);
[22]638 for(i = 0; vhost[i] != 0; i++) {
639 if(vhost[i] == ':') {
[21]640 host[i] = 0;
641 port = atoi(host + i + 1);
642 break;
643 }
644 }
[136]645 name = host;
[21]646 cm_log("Server", "Hostname is `%s', port is `%d'", host, port);
[212]647 vhost_entry = tw_vhost_match(host, port);
[161]648#ifdef HAS_CHROOT
[293]649 chrootpath = vhost_entry->chroot_path != NULL ? vhost_entry->chroot_path : config.root.chroot_path;
[161]650 if(chrootpath != NULL) {
651 if(chdir(chrootpath) == 0) {
652 if(chroot(".") == 0) {
653 cm_log("Server", "Chroot successful");
654 }
655 } else {
656 cm_log("Server", "chdir() failed, cannot chroot");
657 tw_http_error(s, sock, 500, name, port, vhost_entry);
658 rej = true;
659 }
660 }
661#endif
[20]662 for(i = 0; i < config.module_count; i++) {
[314]663#ifdef __OS2__
664 tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "MOD_REQUEST");
665#else
[315]666 tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "mod_request");
[314]667#endif
[20]668 if(mod_req != NULL) {
669 int ret = mod_req(&tools, &req, &res);
670 int co = ret & 0xff;
[141]671 if(co == _TW_MODULE_PASS) {
672 continue;
673 } else if(co == _TW_MODULE_STOP) {
674 /* Handle response here ... */
[20]675 res._processed = true;
676 break;
[141]677 } else if(co == _TW_MODULE_STOP2) {
678 res._processed = true;
679 break;
680 } else if(co == _TW_MODULE_ERROR) {
[123]681 tw_http_error(s, sock, (ret & 0xffff00) >> 8, name, port, vhost_entry);
[20]682 break;
683 }
684 }
685 }
686 if(!res._processed) {
[212]687 char* path;
688 char* rpath;
689 struct stat st;
[215]690 char* slash;
[21]691 cm_log("Server", "Document root is %s", vhost_entry->root == NULL ? "not set" : vhost_entry->root);
[212]692 path = cm_strcat(vhost_entry->root == NULL ? "" : vhost_entry->root, req.path);
[21]693 cm_log("Server", "Filesystem path is %s", path);
[219]694#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
[216]695 for(i = strlen(path) - 1; i >= 0; i--) {
696 if(path[i] == '/') {
[215]697 path[i] = 0;
[216]698 } else {
[215]699 break;
700 }
701 }
702#endif
[219]703#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
[212]704 rpath = cm_strdup(path);
[72]705 for(i = strlen(rpath) - 1; i >= 0; i--) {
[73]706 if(rpath[i] == '/') {
707 int j;
708 for(j = i + 1; rpath[j] != 0; j++) {
709 if(rpath[j] == ':' || rpath[j] == '.') {
710 rpath[j] = 0;
711 break;
712 }
713 }
[71]714 break;
715 }
716 }
[70]717 for(i = 0; i < sizeof(reserved_names) / sizeof(reserved_names[0]); i++) {
718 char* n = cm_strcat("/", reserved_names[i]);
[71]719 if(cm_nocase_endswith(rpath, n)) {
[124]720 tw_http_error(s, sock, 403, name, port, vhost_entry);
[70]721 free(n);
722 rej = true;
723 cm_log("Server", "XP Patch ; rejecting access to device");
724 break;
725 }
726 free(n);
727 }
[71]728 free(rpath);
[70]729#endif
730 if(!rej && stat(path, &st) == 0) {
[22]731 if(!tw_permission_allowed(path, addr, req, vhost_entry)) {
[123]732 tw_http_error(s, sock, 403, name, port, vhost_entry);
[22]733 } else if(S_ISDIR(st.st_mode)) {
[24]734 if(req.path[strlen(req.path) - 1] != '/') {
[215]735 char* headers[3] = {"Location", NULL, NULL};
736 headers[1] = cm_strcat(req.path, "/");
[61]737 cm_log("Server", "Accessing directory without the slash at the end");
[166]738 _tw_process_page(s, sock, tw_http_status(301), NULL, NULL, NULL, 0, headers, 0, 0);
[24]739 free(headers[1]);
740 } else {
741 char** indexes = vhost_entry->index_count == 0 ? config.root.indexes : vhost_entry->indexes;
742 int index_count = vhost_entry->index_count == 0 ? config.root.index_count : vhost_entry->index_count;
743 bool found = false;
744 for(i = 0; i < index_count; i++) {
745 char* p = cm_strcat3(path, "/", indexes[i]);
746 FILE* f = fopen(p, "rb");
747 if(f != NULL) {
748 char* ext = NULL;
749 int j;
[212]750 struct stat st;
751 char* mime;
[24]752 for(j = strlen(p) - 1; j >= 0; j--) {
753 if(p[j] == '.') {
754 ext = cm_strdup(p + j);
755 break;
756 } else if(p[j] == '/') {
757 break;
758 }
[22]759 }
[24]760 stat(p, &st);
[212]761 mime = tw_get_mime(ext, vhost_entry);
[32]762 tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, 0, 0);
[24]763 fclose(f);
[74]764 if(ext != NULL) free(ext);
[24]765 free(p);
766 found = true;
767 break;
[22]768 }
[24]769 free(p);
770 }
771 if(!found) {
772 char* str = malloc(1);
[212]773 char** items;
774 int readme;
775 char** readmes;
776 int readme_count;
777 int hp;
[24]778 str[0] = 0;
[212]779 items = cm_scandir(path);
[122]780 addstring(&str, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n");
[24]781 addstring(&str, "<html>\n");
782 addstring(&str, " <head>\n");
783 addstring(&str, " <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n");
[122]784 addstring(&str, " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n");
[24]785 addstring(&str, " <title>Index of %h</title>\n", req.path);
786 addstring(&str, " </head>\n");
787 addstring(&str, " <body>\n");
788 addstring(&str, " <h1>Index of %h</h1>\n", req.path);
789 addstring(&str, " <hr>\n");
790 addstring(&str, " <table border=\"0\">\n");
791 addstring(&str, " <tr>\n");
792 addstring(&str, " <th></th>\n");
793 addstring(&str, " <th>Filename</th>\n");
[28]794 addstring(&str, " <th>MIME</th>\n");
795 addstring(&str, " <th>Size</th>\n");
[24]796 addstring(&str, " </tr>\n");
[212]797 readme = -1;
798 readmes = vhost_entry->readme_count == 0 ? config.root.readmes : vhost_entry->readmes;
799 readme_count = vhost_entry->readme_count == 0 ? config.root.readme_count : vhost_entry->readme_count;
[24]800 if(items != NULL) {
[29]801 int phase = 0;
802 doit:
[24]803 for(i = 0; items[i] != NULL; i++) {
[33]804 int j;
[212]805 char* ext;
806 char* itm;
807 char* icon;
[28]808 char* fpth = cm_strcat3(path, "/", items[i]);
809 struct stat s;
810 char size[512];
[212]811 char* showmime;
812 char* mime;
[28]813 size[0] = 0;
814 stat(fpth, &s);
[29]815 if(phase == 0 && !S_ISDIR(s.st_mode)) {
816 free(fpth);
817 continue;
818 } else if(phase == 1 && S_ISDIR(s.st_mode)) {
819 free(fpth);
820 continue;
821 }
[33]822 if(readme == -1) {
823 for(j = 0; j < readme_count; j++) {
824 if(strcmp(items[i], readmes[j]) == 0) {
825 readme = j;
826 break;
827 }
828 }
829 if(readme != -1) {
830 free(fpth);
831 continue;
832 }
833 }
[212]834 if(s.st_size < NUM1024) {
[31]835 sprintf(size, "%d", (int)s.st_size);
[212]836 } else if(s.st_size < NUM1024 * 1024) {
[29]837 sprintf(size, "%.1fK", (double)s.st_size / 1024);
[212]838 } else if(s.st_size < NUM1024 * 1024 * 1024) {
[29]839 sprintf(size, "%.1fM", (double)s.st_size / 1024 / 1024);
[212]840 } else if(s.st_size < NUM1024 * 1024 * 1024 * 1024) {
[29]841 sprintf(size, "%.1fG", (double)s.st_size / 1024 / 1024 / 1024);
[212]842 } else if(s.st_size < NUM1024 * 1024 * 1024 * 1024 * 1024) {
[29]843 sprintf(size, "%.1fT", (double)s.st_size / 1024 / 1024 / 1024 / 1024);
[28]844 }
845
846 free(fpth);
847
[212]848 ext = NULL;
[24]849 for(j = strlen(items[i]) - 1; j >= 0; j--) {
850 if(items[i][j] == '.') {
851 ext = cm_strdup(items[i] + j);
852 break;
853 } else if(items[i][j] == '/') {
854 break;
855 }
856 }
[212]857 showmime = "";
858 mime = tw_get_mime(ext, vhost_entry);
[24]859 if(strcmp(items[i], "../") == 0) {
860 mime = "misc/parent";
[29]861 size[0] = 0;
[24]862 } else if(items[i][strlen(items[i]) - 1] == '/') {
863 mime = "misc/dir";
[29]864 size[0] = 0;
865 } else {
[28]866 showmime = mime;
[24]867 }
[212]868 icon = tw_get_icon(mime, vhost_entry);
[24]869 if(ext != NULL) free(ext);
[212]870 itm = cm_strdup(items[i]);
[24]871 if(strlen(itm) >= 32) {
872 if(itm[strlen(itm) - 1] == '/') {
873 itm[31] = 0;
874 itm[30] = '/';
875 itm[29] = '.';
876 itm[28] = '.';
877 itm[27] = '.';
878 } else {
879 itm[31] = 0;
880 itm[30] = '.';
881 itm[29] = '.';
882 itm[28] = '.';
883 }
884 }
885 addstring(&str, "<tr>\n");
886 addstring(&str, " <td><img src=\"%s\" alt=\"icon\"></td>\n", icon);
887 addstring(&str, " <td><a href=\"%l\"><code>%h</code></a></td>\n", items[i], itm);
[60]888 addstring(&str, " <td><code> %h </code></td>\n", showmime);
889 addstring(&str, " <td><code> %s </code></td>\n", size);
[24]890 addstring(&str, "</tr>\n");
891 free(itm);
[22]892 }
[29]893 phase++;
894 if(phase != 2) goto doit;
895 for(i = 0; items[i] != NULL; i++) free(items[i]);
896 free(items);
[22]897 }
[24]898 addstring(&str, " </table>\n");
[33]899 if(readme != -1) {
[212]900 struct stat s;
901 FILE* fr;
902 char* fpth;
[33]903 addstring(&str, "<hr>\n");
[212]904 fpth = cm_strcat3(path, "/", readmes[readme]);
[33]905 stat(fpth, &s);
[212]906 fr = fopen(fpth, "r");
[33]907 if(fr != NULL) {
908 char* rmbuf = malloc(s.st_size + 1);
909 rmbuf[s.st_size] = 0;
910 fread(rmbuf, s.st_size, 1, fr);
911 addstring(&str, "<pre><code>%h</code></pre>\n", rmbuf);
912 fclose(fr);
[70]913 free(rmbuf);
[33]914 }
[66]915 free(fpth);
[33]916 }
[24]917 addstring(&str, " <hr>\n");
[212]918 hp = vhost_entry->hideport == -1 ? config.root.hideport : vhost_entry->hideport;
[123]919 if(hp == 0) {
920 addstring(&str, " <address>%s Server at %s Port %d</address>\n", tw_server, name, port);
921 } else {
922 addstring(&str, " <address>%s Server at %s</address>\n", tw_server, name, port);
923 }
[24]924 addstring(&str, " </body>\n");
925 addstring(&str, "</html>\n");
[32]926 tw_process_page(s, sock, tw_http_status(200), "text/html", NULL, str, strlen(str), 0, 0);
[24]927 free(str);
[21]928 }
929 }
[22]930 } else {
[21]931 char* ext = NULL;
[212]932 char* mime;
933 FILE* f;
[22]934 for(i = strlen(req.path) - 1; i >= 0; i--) {
935 if(req.path[i] == '.') {
[21]936 ext = cm_strdup(req.path + i);
937 break;
[24]938 } else if(req.path[i] == '/') {
939 break;
[21]940 }
941 }
[212]942 mime = tw_get_mime(ext, vhost_entry);
[21]943 if(ext != NULL) free(ext);
[212]944 f = fopen(path, "rb");
[173]945 if(f == NULL) {
946 tw_http_error(s, sock, 403, name, port, vhost_entry);
947 } else {
[349]948 tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, st.st_mtime, cmtime);
[173]949 fclose(f);
950 }
[21]951 }
[22]952 } else {
[161]953 if(!rej) {
954 tw_http_error(s, sock, 404, name, port, vhost_entry);
955 }
[21]956 }
957 free(path);
[20]958 }
[21]959 free(vhost);
960 free(host);
[22]961 } else if(ret == -1) {
[18]962 } else {
[123]963 tw_http_error(s, sock, 400, name, port, &config.root);
[17]964 }
[70]965 tw_free_request(&req);
[12]966cleanup:
[43]967#ifndef NO_SSL
[16]968 if(sslworks) {
[15]969 SSL_shutdown(s);
970 }
971 SSL_free(s);
[46]972#endif
[11]973 close_socket(sock);
[219]974#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
[315]975#ifdef __NETWARE__
[364]976 ExitThread(EXIT_THREAD, 0);
[359]977#elif defined(__DOS__)
[315]978#else
[216]979 _endthread();
[315]980#endif
[100]981#elif defined(__HAIKU__)
[105]982 exit_thread(0);
[11]983#endif
[216]984#ifndef NO_RETURN_THREAD
[214]985 return 0;
[215]986#endif
[11]987}
988
[62]989#ifdef SERVICE
990extern SERVICE_STATUS status;
991extern SERVICE_STATUS_HANDLE status_handle;
992#endif
993
[219]994#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
[65]995struct thread_entry {
[101]996#ifdef __HAIKU__
997 thread_id thread;
[315]998#elif defined(__NETWARE__)
999 int thread;
[359]1000#elif defined(__DOS__)
[101]1001#else
[65]1002 HANDLE handle;
[101]1003#endif
[65]1004 bool used;
1005};
1006#endif
1007
[183]1008extern int running;
1009
[11]1010void tw_server_loop(void) {
[68]1011 int i;
[212]1012#ifndef USE_POLL
[213]1013 fd_set fdset;
1014 struct timeval tv;
[212]1015#endif
[384]1016#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_MSC_VER) || defined(__BORLANDC__) || (defined(__WATCOMC__) && !defined(__NETWARE__) && !defined(__DOS__))
[65]1017 struct thread_entry threads[2048];
[70]1018 for(i = 0; i < sizeof(threads) / sizeof(threads[0]); i++) {
[65]1019 threads[i].used = false;
1020 }
1021#endif
[118]1022#ifdef USE_POLL
[302]1023 struct pollfd* pollfds = malloc(sizeof(*pollfds) * sockcount);
[118]1024 for(i = 0; i < sockcount; i++) {
1025 pollfds[i].fd = sockets[i];
1026 pollfds[i].events = POLLIN | POLLPRI;
1027 }
1028#endif
[183]1029 while(running) {
[212]1030 int ret;
[118]1031#ifdef USE_POLL
[212]1032 ret = poll(pollfds, sockcount, 1000);
[118]1033#else
1034 FD_ZERO(&fdset);
1035 for(i = 0; i < sockcount; i++) {
1036 FD_SET(sockets[i], &fdset);
1037 }
1038 tv.tv_sec = 1;
1039 tv.tv_usec = 0;
[86]1040#ifdef __HAIKU__
[212]1041 ret = select(32, &fdset, NULL, NULL, &tv);
[86]1042#else
[212]1043 ret = select(FD_SETSIZE, &fdset, NULL, NULL, &tv);
[86]1044#endif
[118]1045#endif
[11]1046 if(ret == -1) {
[219]1047#if !defined(__MINGW32__) && !defined(_MSC_VER) && !defined(__BORLANDC__) && !defined(__WATCOMC__)
[296]1048 if(errno == EINTR) continue;
[84]1049 cm_log("Server", "Select failure: %s", strerror(errno));
1050#endif
[9]1051 break;
[70]1052 } else if(ret == 0) {
[62]1053#ifdef SERVICE
[70]1054 if(status.dwCurrentState == SERVICE_STOP_PENDING) {
[62]1055 break;
1056 }
1057#endif
[11]1058 } else if(ret > 0) {
[9]1059 /* connection */
1060 int i;
[11]1061 for(i = 0; i < sockcount; i++) {
[118]1062 bool cond;
1063#ifdef USE_POLL
1064 cond = pollfds[i].revents & POLLIN;
1065#else
1066 cond = FD_ISSET(sockets[i], &fdset);
1067#endif
1068 if(cond) {
[9]1069 SOCKADDR claddr;
[182]1070 socklen_t clen = sizeof(claddr);
[9]1071 int sock = accept(sockets[i], (struct sockaddr*)&claddr, &clen);
[219]1072#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_PSP) || defined(__PPU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
[212]1073 int j;
1074 struct pass_entry* e = malloc(sizeof(*e));
[12]1075 cm_log("Server", "New connection accepted");
[11]1076 e->sock = sock;
[215]1077#if defined(_MSC_VER) || defined(__BORLANDC__)
[212]1078 e->ssl = config.ports[i] & (1UL << 31);
1079#else
1080 e->ssl = config.ports[i] & (1ULL << 31);
1081#endif
[12]1082 e->port = config.ports[i];
[21]1083 e->addr = claddr;
[97]1084#endif
[219]1085#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
[312]1086#ifdef __OS2__
1087 _beginthread(tw_server_pass, 0, 0, e);
[315]1088#elif defined(__NETWARE__)
[361]1089 BeginThread(tw_server_pass, NULL, 0, e);
[359]1090#elif defined(__DOS__)
1091 tw_server_pass(e);
[312]1092#else
[212]1093 _beginthread(tw_server_pass, 0, e);
[312]1094#endif
[187]1095#elif defined(_PSP) || defined(__PPU__)
[183]1096 tw_server_pass(e);
[97]1097#elif defined(__HAIKU__)
[183]1098 for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
1099 if(threads[j].used) {
1100 thread_info info;
1101 bool kill = false;
1102 if(get_thread_info(threads[j].thread, &info) == B_OK) {
1103 } else {
1104 kill = true;
[101]1105 }
[183]1106 if(kill) {
1107 threads[j].used = false;
[101]1108 }
1109 }
[183]1110 }
1111 for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
1112 if(!threads[j].used) {
1113 threads[j].thread = spawn_thread(tw_server_pass, "Tewi HTTPd", 60, e);
1114 threads[j].used = true;
1115 resume_thread(threads[j].thread);
1116 break;
1117 }
1118 }
[11]1119#else
1120 pid_t pid = fork();
1121 if(pid == 0) {
[89]1122 int j;
1123 for(j = 0; j < sockcount; j++) close_socket(sockets[j]);
[212]1124 tw_server_pass(sock, config.ports[i] & (1ULL << 31), config.ports[i], claddr);
[11]1125 _exit(0);
1126 } else {
1127 close_socket(sock);
1128 }
1129#endif
[9]1130 }
1131 }
1132 }
1133 }
[255]1134 for(i = 0; i < sockcount; i++) {
[253]1135 close_socket(sockets[i]);
1136 }
1137 cm_force_log("Server is down");
[9]1138}
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