source: Main/trunk/Server/server.c@ 401

Last change on this file since 401 was 401, checked in by Nishi, on Nov 3, 2024 at 3:16:35 PM

yeah

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[8]1/* $Id: server.c 401 2024-11-03 06:16:35Z 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) {
[393]346 char buffer[512];
[398]347 int st;
[393]348 fread(buffer, size < 512 ? size : 512, 1, f);
[398]349 if((st = tw_write(ssl, sock, buffer, size < 512 ? size : 512)) <= 0) break;
[22]350 } else {
[398]351 if(tw_write(ssl, sock, (unsigned char*)doc + incr, size < 512 ? size : 512) <= 0) break;
[21]352 }
[393]353 incr += 512;
354 if(size <= 512) break;
355 size -= 512;
[18]356 }
357}
358
[32]359void 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]360
[18]361const char* tw_http_status(int code) {
[20]362 if(code == 200) {
363 return "200 OK";
[166]364 } else if(code == 301) {
[167]365 return "301 Moved Permanently";
[24]366 } else if(code == 308) {
367 return "308 Permanent Redirect";
[20]368 } else if(code == 400) {
[18]369 return "400 Bad Request";
[20]370 } else if(code == 401) {
371 return "401 Unauthorized";
372 } else if(code == 403) {
373 return "403 Forbidden";
374 } else if(code == 404) {
375 return "404 Not Found";
[161]376 } else if(code == 500) {
377 return "500 Internal Server Error";
[18]378 } else {
379 return "400 Bad Request";
380 }
381}
382
[123]383char* tw_http_default_error(int code, char* name, int port, struct tw_config_entry* vhost) {
[18]384 char address[1024];
[212]385 char* st;
386 char* st2;
387 char* buffer;
388 char* str;
389 int i;
[20]390
[123]391 if((vhost->hideport == -1 ? config.root.hideport : vhost->hideport) == 1) {
392 sprintf(address, "<address>%s Server at %s</address>", tw_server, name, port);
393 } else {
394 sprintf(address, "<address>%s Server at %s Port %d</address>", tw_server, name, port);
395 }
396
[212]397 st = cm_strdup(tw_http_status(code));
[20]398 for(i = 0; st[i] != 0; i++) {
399 if(st[i] == ' ') {
400 st2 = cm_strdup(st + i + 1);
401 break;
402 }
[18]403 }
[212]404 buffer = malloc(4096);
405 str = cm_strcat3(ERROR_HTML);
[20]406 sprintf(buffer, str, st, st2);
407 free(str);
408 free(st);
409 return buffer;
[18]410}
411
[123]412void tw_http_error(SSL* ssl, int sock, int error, char* name, int port, struct tw_config_entry* vhost) {
413 char* str = tw_http_default_error(error, name, port, vhost);
[32]414 tw_process_page(ssl, sock, tw_http_status(error), "text/html", NULL, str, strlen(str), 0, 0);
[18]415 free(str);
416}
417
[20]418void addstring(char** str, const char* add, ...) {
419 int i;
420 char cbuf[2];
[212]421 va_list va;
[20]422 cbuf[1] = 0;
423 va_start(va, add);
424 for(i = 0; add[i] != 0; i++) {
425 cbuf[0] = add[i];
426 if(add[i] == '%') {
427 i++;
428 if(add[i] == 's') {
429 char* tmp = *str;
430 *str = cm_strcat(tmp, va_arg(va, const char*));
431 free(tmp);
432 } else if(add[i] == 'h') {
433 char* h = cm_html_escape(va_arg(va, const char*));
434 char* tmp = *str;
435 *str = cm_strcat(tmp, h);
436 free(tmp);
437 free(h);
[21]438 } else if(add[i] == 'l') {
439 char* h = cm_url_escape(va_arg(va, const char*));
440 char* tmp = *str;
441 *str = cm_strcat(tmp, h);
442 free(tmp);
443 free(h);
[20]444 } else if(add[i] == 'd') {
445 int n = va_arg(va, int);
446 char* h = malloc(512);
[212]447 char* tmp = *str;
[20]448 sprintf(h, "%d", n);
449 *str = cm_strcat(tmp, h);
450 free(tmp);
451 free(h);
452 } else if(add[i] == '%') {
453 char* tmp = *str;
454 *str = cm_strcat(tmp, "%");
455 free(tmp);
456 }
457 } else {
458 char* tmp = *str;
459 *str = cm_strcat(tmp, cbuf);
460 free(tmp);
461 }
462 }
[74]463 va_end(va);
[20]464}
465
[22]466char* tw_get_mime(const char* ext, struct tw_config_entry* vhost_entry) {
467 char* mime = "application/octet-stream";
468 bool set = false;
469 int i;
[212]470 if(ext == NULL) return mime;
[22]471 for(i = 0; i < vhost_entry->mime_count; i++) {
[23]472 if(strcmp(vhost_entry->mimes[i].ext, "all") == 0 || (ext != NULL && tw_wildcard_match(vhost_entry->mimes[i].ext, ext))) {
[22]473 mime = vhost_entry->mimes[i].mime;
474 set = true;
475 }
476 }
477 if(!set) {
478 for(i = 0; i < config.root.mime_count; i++) {
[23]479 if(strcmp(config.root.mimes[i].ext, "all") == 0 || (ext != NULL && tw_wildcard_match(config.root.mimes[i].ext, ext))) {
[22]480 mime = config.root.mimes[i].mime;
481 }
482 }
483 }
484 return mime;
485}
486
487char* tw_get_icon(const char* mime, struct tw_config_entry* vhost_entry) {
488 char* icon = "";
489 bool set = false;
490 int i;
[212]491 if(mime == NULL) return "";
[22]492 for(i = 0; i < vhost_entry->icon_count; i++) {
[23]493 if(strcmp(vhost_entry->icons[i].mime, "all") == 0 || (mime != NULL && tw_wildcard_match(vhost_entry->icons[i].mime, mime))) {
[22]494 icon = vhost_entry->icons[i].icon;
495 set = true;
496 }
497 }
498 if(!set) {
499 for(i = 0; i < config.root.icon_count; i++) {
[23]500 if(strcmp(config.root.icons[i].mime, "all") == 0 || (mime != NULL && tw_wildcard_match(config.root.icons[i].mime, mime))) {
[22]501 icon = config.root.icons[i].icon;
502 }
503 }
504 }
505 return icon;
506}
507
[11]508struct pass_entry {
509 int sock;
[12]510 int port;
[11]511 bool ssl;
[21]512 SOCKADDR addr;
[11]513};
514
[219]515#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
[216]516#define NO_RETURN_THREAD
[215]517void tw_server_pass(void* ptr) {
[97]518#elif defined(__HAIKU__)
519int32_t tw_server_pass(void* ptr) {
[187]520#elif defined(_PSP) || defined(__PPU__)
[183]521int tw_server_pass(void* ptr) {
[105]522#endif
[219]523#if defined(__HAIKU__) || defined(__MINGW32__) || defined(_PSP) || defined(__PPU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
[212]524#define FREE_PTR
[11]525 int sock = ((struct pass_entry*)ptr)->sock;
526 bool ssl = ((struct pass_entry*)ptr)->ssl;
[14]527 int port = ((struct pass_entry*)ptr)->port;
[21]528 SOCKADDR addr = ((struct pass_entry*)ptr)->addr;
[11]529#else
[216]530#define NO_RETURN_THREAD
[105]531 void tw_server_pass(int sock, bool ssl, int port, SOCKADDR addr) {
[11]532#endif
[212]533 SSL* s = NULL;
[43]534#ifndef NO_SSL
[12]535 SSL_CTX* ctx = NULL;
[15]536 bool sslworks = false;
[12]537 if(ssl) {
538 ctx = tw_create_ssl_ctx(port);
539 s = SSL_new(ctx);
540 SSL_set_fd(s, sock);
541 if(SSL_accept(s) <= 0) goto cleanup;
[15]542 sslworks = true;
[12]543 }
[43]544#endif
[212]545 char* name = config.hostname;
[116]546 char address[513];
[212]547 int ret;
548 struct tw_http_request req;
549 struct tw_http_response res;
550 struct tw_tool tools;
[255]551 char* addrstr;
552#ifndef NO_GETNAMEINFO
[116]553 struct sockaddr* sa = (struct sockaddr*)&addr;
554 getnameinfo(sa, sizeof(addr), address, 512, NULL, 0, NI_NUMERICHOST);
[315]555#elif defined(__NETWARE__)
556 address[0] = 0;
[257]557#else
[315]558 addrstr = inet_ntoa(addr.sin_addr);
559 strcpy(address, addrstr);
560 address[strlen(addrstr)] = 0;
[163]561#endif
[212]562#ifdef FREE_PTR
563 free(ptr);
564#endif
[116]565
[20]566 res._processed = false;
567 tw_init_tools(&tools);
[212]568 ret = tw_http_parse(s, sock, &req);
[17]569 if(ret == 0) {
[116]570 char date[513];
571 time_t t = time(NULL);
572 struct tm* tm = localtime(&t);
[212]573 char* useragent = cm_strdup("");
574 int i;
575 char* tmp;
576 char* tmp2;
577 char* tmp3;
578 char* tmp4;
579 char* tmp5;
580 char* log;
581 char* vhost;
582 time_t cmtime;
583 bool rej;
584 char* host;
585 int port;
[293]586 char* chrootpath;
[212]587 struct tw_config_entry* vhost_entry;
[116]588 strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
589
[117]590 for(i = 0; req.headers[i] != NULL; i += 2) {
591 if(cm_strcaseequ(req.headers[i], "User-Agent")) {
[116]592 free(useragent);
593 useragent = cm_strdup(req.headers[i + 1]);
594 }
595 }
596
[212]597 tmp = cm_strcat3(address, " - [", date);
598 tmp2 = cm_strcat3(tmp, "] \"", req.method);
599 tmp3 = cm_strcat3(tmp2, " ", req.path);
600 tmp4 = cm_strcat3(tmp3, " ", req.version);
601 tmp5 = cm_strcat3(tmp4, "\" \"", useragent);
602 log = cm_strcat(tmp5, "\"");
[116]603 free(tmp);
604 free(tmp2);
605 free(tmp3);
606 free(tmp4);
607 free(tmp5);
608 free(useragent);
609 cm_force_log(log);
610 free(log);
611
[212]612 vhost = cm_strdup(config.hostname);
613 cmtime = 0;
[70]614 if(req.headers != NULL) {
[64]615 for(i = 0; req.headers[i] != NULL; i += 2) {
616 if(cm_strcaseequ(req.headers[i], "Host")) {
617 free(vhost);
618 vhost = cm_strdup(req.headers[i + 1]);
619 } else if(cm_strcaseequ(req.headers[i], "If-Modified-Since")) {
620 struct tm tm;
[212]621 time_t t;
622 struct tm* btm;
[64]623 strptime(req.headers[i + 1], "%a, %d %b %Y %H:%M:%S GMT", &tm);
[377]624#if defined(__MINGW32__) || defined(_PSP) || defined(__PPU__) || defined(__ps2sdk__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__) || defined(__USLC__) || defined(__NeXT__) || defined(__bsdi__)
[212]625 t = 0;
626 btm = localtime(&t);
[64]627 cmtime = mktime(&tm);
628 cmtime -= (btm->tm_hour * 60 + btm->tm_min) * 60;
[32]629#else
[140]630 cmtime = timegm(&tm);
[32]631#endif
[64]632 }
[21]633 }
634 }
[212]635 rej = false;
[21]636 cm_log("Server", "Host is %s", vhost);
[212]637 port = s == NULL ? 80 : 443;
638 host = cm_strdup(vhost);
[22]639 for(i = 0; vhost[i] != 0; i++) {
640 if(vhost[i] == ':') {
[21]641 host[i] = 0;
642 port = atoi(host + i + 1);
643 break;
[392]644 }else if(vhost[i] == '['){
645 for(; vhost[i] != 0 && vhost[i] != ']'; i++);
[21]646 }
647 }
[136]648 name = host;
[21]649 cm_log("Server", "Hostname is `%s', port is `%d'", host, port);
[212]650 vhost_entry = tw_vhost_match(host, port);
[161]651#ifdef HAS_CHROOT
[293]652 chrootpath = vhost_entry->chroot_path != NULL ? vhost_entry->chroot_path : config.root.chroot_path;
[161]653 if(chrootpath != NULL) {
654 if(chdir(chrootpath) == 0) {
655 if(chroot(".") == 0) {
656 cm_log("Server", "Chroot successful");
657 }
658 } else {
659 cm_log("Server", "chdir() failed, cannot chroot");
660 tw_http_error(s, sock, 500, name, port, vhost_entry);
661 rej = true;
662 }
663 }
664#endif
[20]665 for(i = 0; i < config.module_count; i++) {
[314]666#ifdef __OS2__
667 tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "MOD_REQUEST");
668#else
[315]669 tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "mod_request");
[314]670#endif
[20]671 if(mod_req != NULL) {
672 int ret = mod_req(&tools, &req, &res);
673 int co = ret & 0xff;
[141]674 if(co == _TW_MODULE_PASS) {
675 continue;
676 } else if(co == _TW_MODULE_STOP) {
677 /* Handle response here ... */
[20]678 res._processed = true;
679 break;
[141]680 } else if(co == _TW_MODULE_STOP2) {
681 res._processed = true;
682 break;
683 } else if(co == _TW_MODULE_ERROR) {
[123]684 tw_http_error(s, sock, (ret & 0xffff00) >> 8, name, port, vhost_entry);
[20]685 break;
686 }
687 }
688 }
689 if(!res._processed) {
[212]690 char* path;
691 char* rpath;
692 struct stat st;
[215]693 char* slash;
[21]694 cm_log("Server", "Document root is %s", vhost_entry->root == NULL ? "not set" : vhost_entry->root);
[212]695 path = cm_strcat(vhost_entry->root == NULL ? "" : vhost_entry->root, req.path);
[21]696 cm_log("Server", "Filesystem path is %s", path);
[219]697#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
[216]698 for(i = strlen(path) - 1; i >= 0; i--) {
699 if(path[i] == '/') {
[215]700 path[i] = 0;
[216]701 } else {
[215]702 break;
703 }
704 }
705#endif
[219]706#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
[212]707 rpath = cm_strdup(path);
[72]708 for(i = strlen(rpath) - 1; i >= 0; i--) {
[73]709 if(rpath[i] == '/') {
710 int j;
711 for(j = i + 1; rpath[j] != 0; j++) {
712 if(rpath[j] == ':' || rpath[j] == '.') {
713 rpath[j] = 0;
714 break;
715 }
716 }
[71]717 break;
718 }
719 }
[70]720 for(i = 0; i < sizeof(reserved_names) / sizeof(reserved_names[0]); i++) {
721 char* n = cm_strcat("/", reserved_names[i]);
[71]722 if(cm_nocase_endswith(rpath, n)) {
[124]723 tw_http_error(s, sock, 403, name, port, vhost_entry);
[70]724 free(n);
725 rej = true;
726 cm_log("Server", "XP Patch ; rejecting access to device");
727 break;
728 }
729 free(n);
730 }
[71]731 free(rpath);
[70]732#endif
733 if(!rej && stat(path, &st) == 0) {
[22]734 if(!tw_permission_allowed(path, addr, req, vhost_entry)) {
[123]735 tw_http_error(s, sock, 403, name, port, vhost_entry);
[22]736 } else if(S_ISDIR(st.st_mode)) {
[24]737 if(req.path[strlen(req.path) - 1] != '/') {
[215]738 char* headers[3] = {"Location", NULL, NULL};
739 headers[1] = cm_strcat(req.path, "/");
[61]740 cm_log("Server", "Accessing directory without the slash at the end");
[166]741 _tw_process_page(s, sock, tw_http_status(301), NULL, NULL, NULL, 0, headers, 0, 0);
[24]742 free(headers[1]);
743 } else {
744 char** indexes = vhost_entry->index_count == 0 ? config.root.indexes : vhost_entry->indexes;
745 int index_count = vhost_entry->index_count == 0 ? config.root.index_count : vhost_entry->index_count;
746 bool found = false;
747 for(i = 0; i < index_count; i++) {
748 char* p = cm_strcat3(path, "/", indexes[i]);
749 FILE* f = fopen(p, "rb");
750 if(f != NULL) {
751 char* ext = NULL;
752 int j;
[212]753 struct stat st;
754 char* mime;
[24]755 for(j = strlen(p) - 1; j >= 0; j--) {
756 if(p[j] == '.') {
757 ext = cm_strdup(p + j);
758 break;
759 } else if(p[j] == '/') {
760 break;
761 }
[22]762 }
[24]763 stat(p, &st);
[212]764 mime = tw_get_mime(ext, vhost_entry);
[32]765 tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, 0, 0);
[24]766 fclose(f);
[74]767 if(ext != NULL) free(ext);
[24]768 free(p);
769 found = true;
770 break;
[22]771 }
[24]772 free(p);
773 }
774 if(!found) {
775 char* str = malloc(1);
[212]776 char** items;
777 int readme;
778 char** readmes;
779 int readme_count;
780 int hp;
[24]781 str[0] = 0;
[212]782 items = cm_scandir(path);
[122]783 addstring(&str, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n");
[24]784 addstring(&str, "<html>\n");
785 addstring(&str, " <head>\n");
786 addstring(&str, " <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n");
[122]787 addstring(&str, " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n");
[24]788 addstring(&str, " <title>Index of %h</title>\n", req.path);
789 addstring(&str, " </head>\n");
790 addstring(&str, " <body>\n");
791 addstring(&str, " <h1>Index of %h</h1>\n", req.path);
792 addstring(&str, " <hr>\n");
793 addstring(&str, " <table border=\"0\">\n");
794 addstring(&str, " <tr>\n");
795 addstring(&str, " <th></th>\n");
796 addstring(&str, " <th>Filename</th>\n");
[389]797 addstring(&str, " <th>Last-modified</th>\n");
[28]798 addstring(&str, " <th>MIME</th>\n");
799 addstring(&str, " <th>Size</th>\n");
[24]800 addstring(&str, " </tr>\n");
[212]801 readme = -1;
802 readmes = vhost_entry->readme_count == 0 ? config.root.readmes : vhost_entry->readmes;
803 readme_count = vhost_entry->readme_count == 0 ? config.root.readme_count : vhost_entry->readme_count;
[24]804 if(items != NULL) {
[29]805 int phase = 0;
806 doit:
[24]807 for(i = 0; items[i] != NULL; i++) {
[33]808 int j;
[212]809 char* ext;
810 char* itm;
811 char* icon;
[28]812 char* fpth = cm_strcat3(path, "/", items[i]);
813 struct stat s;
814 char size[512];
[389]815 char date[512];
[212]816 char* showmime;
817 char* mime;
[389]818 struct tm* tm;
[28]819 size[0] = 0;
820 stat(fpth, &s);
[389]821 tm = localtime(&s.st_mtime);
822 strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
[29]823 if(phase == 0 && !S_ISDIR(s.st_mode)) {
824 free(fpth);
825 continue;
826 } else if(phase == 1 && S_ISDIR(s.st_mode)) {
827 free(fpth);
828 continue;
829 }
[33]830 if(readme == -1) {
831 for(j = 0; j < readme_count; j++) {
832 if(strcmp(items[i], readmes[j]) == 0) {
833 readme = j;
834 break;
835 }
836 }
837 if(readme != -1) {
838 free(fpth);
839 continue;
840 }
841 }
[212]842 if(s.st_size < NUM1024) {
[31]843 sprintf(size, "%d", (int)s.st_size);
[212]844 } else if(s.st_size < NUM1024 * 1024) {
[29]845 sprintf(size, "%.1fK", (double)s.st_size / 1024);
[212]846 } else if(s.st_size < NUM1024 * 1024 * 1024) {
[29]847 sprintf(size, "%.1fM", (double)s.st_size / 1024 / 1024);
[212]848 } else if(s.st_size < NUM1024 * 1024 * 1024 * 1024) {
[29]849 sprintf(size, "%.1fG", (double)s.st_size / 1024 / 1024 / 1024);
[212]850 } else if(s.st_size < NUM1024 * 1024 * 1024 * 1024 * 1024) {
[29]851 sprintf(size, "%.1fT", (double)s.st_size / 1024 / 1024 / 1024 / 1024);
[28]852 }
853
854 free(fpth);
855
[212]856 ext = NULL;
[24]857 for(j = strlen(items[i]) - 1; j >= 0; j--) {
858 if(items[i][j] == '.') {
859 ext = cm_strdup(items[i] + j);
860 break;
861 } else if(items[i][j] == '/') {
862 break;
863 }
864 }
[212]865 showmime = "";
866 mime = tw_get_mime(ext, vhost_entry);
[24]867 if(strcmp(items[i], "../") == 0) {
868 mime = "misc/parent";
[29]869 size[0] = 0;
[24]870 } else if(items[i][strlen(items[i]) - 1] == '/') {
871 mime = "misc/dir";
[29]872 size[0] = 0;
873 } else {
[28]874 showmime = mime;
[24]875 }
[212]876 icon = tw_get_icon(mime, vhost_entry);
[24]877 if(ext != NULL) free(ext);
[212]878 itm = cm_strdup(items[i]);
[24]879 if(strlen(itm) >= 32) {
880 if(itm[strlen(itm) - 1] == '/') {
881 itm[31] = 0;
882 itm[30] = '/';
883 itm[29] = '.';
884 itm[28] = '.';
885 itm[27] = '.';
886 } else {
887 itm[31] = 0;
888 itm[30] = '.';
889 itm[29] = '.';
890 itm[28] = '.';
891 }
892 }
893 addstring(&str, "<tr>\n");
894 addstring(&str, " <td><img src=\"%s\" alt=\"icon\"></td>\n", icon);
895 addstring(&str, " <td><a href=\"%l\"><code>%h</code></a></td>\n", items[i], itm);
[389]896 addstring(&str, " <td><code> %h </code></td>\n", date);
[60]897 addstring(&str, " <td><code> %h </code></td>\n", showmime);
898 addstring(&str, " <td><code> %s </code></td>\n", size);
[24]899 addstring(&str, "</tr>\n");
900 free(itm);
[22]901 }
[29]902 phase++;
903 if(phase != 2) goto doit;
904 for(i = 0; items[i] != NULL; i++) free(items[i]);
905 free(items);
[22]906 }
[24]907 addstring(&str, " </table>\n");
[33]908 if(readme != -1) {
[212]909 struct stat s;
910 FILE* fr;
911 char* fpth;
[33]912 addstring(&str, "<hr>\n");
[212]913 fpth = cm_strcat3(path, "/", readmes[readme]);
[33]914 stat(fpth, &s);
[212]915 fr = fopen(fpth, "r");
[33]916 if(fr != NULL) {
917 char* rmbuf = malloc(s.st_size + 1);
918 rmbuf[s.st_size] = 0;
919 fread(rmbuf, s.st_size, 1, fr);
920 addstring(&str, "<pre><code>%h</code></pre>\n", rmbuf);
921 fclose(fr);
[70]922 free(rmbuf);
[33]923 }
[66]924 free(fpth);
[33]925 }
[24]926 addstring(&str, " <hr>\n");
[212]927 hp = vhost_entry->hideport == -1 ? config.root.hideport : vhost_entry->hideport;
[123]928 if(hp == 0) {
929 addstring(&str, " <address>%s Server at %s Port %d</address>\n", tw_server, name, port);
930 } else {
931 addstring(&str, " <address>%s Server at %s</address>\n", tw_server, name, port);
932 }
[24]933 addstring(&str, " </body>\n");
934 addstring(&str, "</html>\n");
[32]935 tw_process_page(s, sock, tw_http_status(200), "text/html", NULL, str, strlen(str), 0, 0);
[24]936 free(str);
[21]937 }
938 }
[22]939 } else {
[21]940 char* ext = NULL;
[212]941 char* mime;
942 FILE* f;
[22]943 for(i = strlen(req.path) - 1; i >= 0; i--) {
944 if(req.path[i] == '.') {
[21]945 ext = cm_strdup(req.path + i);
946 break;
[24]947 } else if(req.path[i] == '/') {
948 break;
[21]949 }
950 }
[212]951 mime = tw_get_mime(ext, vhost_entry);
[21]952 if(ext != NULL) free(ext);
[212]953 f = fopen(path, "rb");
[173]954 if(f == NULL) {
955 tw_http_error(s, sock, 403, name, port, vhost_entry);
956 } else {
[349]957 tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, st.st_mtime, cmtime);
[173]958 fclose(f);
959 }
[21]960 }
[22]961 } else {
[161]962 if(!rej) {
963 tw_http_error(s, sock, 404, name, port, vhost_entry);
964 }
[21]965 }
966 free(path);
[20]967 }
[21]968 free(vhost);
969 free(host);
[22]970 } else if(ret == -1) {
[18]971 } else {
[123]972 tw_http_error(s, sock, 400, name, port, &config.root);
[17]973 }
[70]974 tw_free_request(&req);
[12]975cleanup:
[43]976#ifndef NO_SSL
[16]977 if(sslworks) {
[15]978 SSL_shutdown(s);
979 }
980 SSL_free(s);
[46]981#endif
[11]982 close_socket(sock);
[219]983#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
[315]984#ifdef __NETWARE__
[364]985 ExitThread(EXIT_THREAD, 0);
[359]986#elif defined(__DOS__)
[315]987#else
[216]988 _endthread();
[315]989#endif
[100]990#elif defined(__HAIKU__)
[105]991 exit_thread(0);
[11]992#endif
[216]993#ifndef NO_RETURN_THREAD
[214]994 return 0;
[215]995#endif
[11]996}
997
[62]998#ifdef SERVICE
999extern SERVICE_STATUS status;
1000extern SERVICE_STATUS_HANDLE status_handle;
1001#endif
1002
[219]1003#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
[65]1004struct thread_entry {
[101]1005#ifdef __HAIKU__
1006 thread_id thread;
[315]1007#elif defined(__NETWARE__)
1008 int thread;
[359]1009#elif defined(__DOS__)
[101]1010#else
[65]1011 HANDLE handle;
[101]1012#endif
[65]1013 bool used;
1014};
1015#endif
1016
[183]1017extern int running;
1018
[11]1019void tw_server_loop(void) {
[68]1020 int i;
[212]1021#ifndef USE_POLL
[213]1022 fd_set fdset;
1023 struct timeval tv;
[212]1024#endif
[384]1025#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_MSC_VER) || defined(__BORLANDC__) || (defined(__WATCOMC__) && !defined(__NETWARE__) && !defined(__DOS__))
[401]1026 struct thread_entry threads[128];
[70]1027 for(i = 0; i < sizeof(threads) / sizeof(threads[0]); i++) {
[65]1028 threads[i].used = false;
1029 }
1030#endif
[118]1031#ifdef USE_POLL
[302]1032 struct pollfd* pollfds = malloc(sizeof(*pollfds) * sockcount);
[118]1033 for(i = 0; i < sockcount; i++) {
1034 pollfds[i].fd = sockets[i];
1035 pollfds[i].events = POLLIN | POLLPRI;
1036 }
1037#endif
[183]1038 while(running) {
[212]1039 int ret;
[118]1040#ifdef USE_POLL
[212]1041 ret = poll(pollfds, sockcount, 1000);
[118]1042#else
1043 FD_ZERO(&fdset);
1044 for(i = 0; i < sockcount; i++) {
1045 FD_SET(sockets[i], &fdset);
1046 }
1047 tv.tv_sec = 1;
1048 tv.tv_usec = 0;
[86]1049#ifdef __HAIKU__
[212]1050 ret = select(32, &fdset, NULL, NULL, &tv);
[86]1051#else
[212]1052 ret = select(FD_SETSIZE, &fdset, NULL, NULL, &tv);
[86]1053#endif
[118]1054#endif
[11]1055 if(ret == -1) {
[219]1056#if !defined(__MINGW32__) && !defined(_MSC_VER) && !defined(__BORLANDC__) && !defined(__WATCOMC__)
[296]1057 if(errno == EINTR) continue;
[84]1058 cm_log("Server", "Select failure: %s", strerror(errno));
1059#endif
[9]1060 break;
[70]1061 } else if(ret == 0) {
[62]1062#ifdef SERVICE
[70]1063 if(status.dwCurrentState == SERVICE_STOP_PENDING) {
[62]1064 break;
1065 }
1066#endif
[11]1067 } else if(ret > 0) {
[9]1068 /* connection */
1069 int i;
[11]1070 for(i = 0; i < sockcount; i++) {
[118]1071 bool cond;
1072#ifdef USE_POLL
1073 cond = pollfds[i].revents & POLLIN;
1074#else
1075 cond = FD_ISSET(sockets[i], &fdset);
1076#endif
1077 if(cond) {
[9]1078 SOCKADDR claddr;
[182]1079 socklen_t clen = sizeof(claddr);
[9]1080 int sock = accept(sockets[i], (struct sockaddr*)&claddr, &clen);
[219]1081#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_PSP) || defined(__PPU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
[212]1082 int j;
1083 struct pass_entry* e = malloc(sizeof(*e));
[12]1084 cm_log("Server", "New connection accepted");
[11]1085 e->sock = sock;
[215]1086#if defined(_MSC_VER) || defined(__BORLANDC__)
[212]1087 e->ssl = config.ports[i] & (1UL << 31);
1088#else
1089 e->ssl = config.ports[i] & (1ULL << 31);
1090#endif
[12]1091 e->port = config.ports[i];
[21]1092 e->addr = claddr;
[97]1093#endif
[219]1094#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
[312]1095#ifdef __OS2__
1096 _beginthread(tw_server_pass, 0, 0, e);
[315]1097#elif defined(__NETWARE__)
[361]1098 BeginThread(tw_server_pass, NULL, 0, e);
[359]1099#elif defined(__DOS__)
1100 tw_server_pass(e);
[312]1101#else
[212]1102 _beginthread(tw_server_pass, 0, e);
[312]1103#endif
[187]1104#elif defined(_PSP) || defined(__PPU__)
[183]1105 tw_server_pass(e);
[97]1106#elif defined(__HAIKU__)
[183]1107 for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
1108 if(threads[j].used) {
1109 thread_info info;
1110 bool kill = false;
1111 if(get_thread_info(threads[j].thread, &info) == B_OK) {
1112 } else {
1113 kill = true;
[101]1114 }
[183]1115 if(kill) {
1116 threads[j].used = false;
[101]1117 }
1118 }
[183]1119 }
1120 for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
1121 if(!threads[j].used) {
1122 threads[j].thread = spawn_thread(tw_server_pass, "Tewi HTTPd", 60, e);
1123 threads[j].used = true;
1124 resume_thread(threads[j].thread);
1125 break;
1126 }
1127 }
[11]1128#else
1129 pid_t pid = fork();
1130 if(pid == 0) {
[89]1131 int j;
1132 for(j = 0; j < sockcount; j++) close_socket(sockets[j]);
[212]1133 tw_server_pass(sock, config.ports[i] & (1ULL << 31), config.ports[i], claddr);
[11]1134 _exit(0);
1135 } else {
1136 close_socket(sock);
1137 }
1138#endif
[9]1139 }
1140 }
1141 }
1142 }
[255]1143 for(i = 0; i < sockcount; i++) {
[253]1144 close_socket(sockets[i]);
1145 }
1146 cm_force_log("Server is down");
[9]1147}
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