server.c@ 349

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Last change on this file since 349 was 349, checked in by Nishi, on Oct 16, 2024 at 5:08:08 AM
fix some stuff
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File size: 29.7 KB

Rev	Line
[8]	1	/* $Id: server.c 349 2024-10-15 20:08:08Z 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"
	45	typedef int socklen_t;
	46
	47	#include <tcpustd.h>
	48	#endif
	49
[315]	50	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| (defined(__WATCOMC__) && !defined(__OS2__) && !defined(__NETWARE__))
[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]	64	typedef int socklen_t;
[315]	65	#elif defined(__NETWARE__)
	66	#include <sys/socket.h>
[349]	67
	68	#define IPPROTO_TCP 0
	69	#define INADDR_ANY 0
[315]	70	#define htons(x) x
	71	#include "strptime.h"
[349]	72	typedef int socklen_t;
[8]	73	#else
[118]	74	#ifdef USE_POLL
[187]	75	#ifdef __PPU__
	76	#include <net/poll.h>
	77	#else
[118]	78	#include <poll.h>
[187]	79	#endif
[118]	80	#else
[328]	81	#ifndef __NeXT__
[8]	82	#include <sys/select.h>
[118]	83	#endif
[348]	84	#ifdef __OS2__
	85	#include <netinet/in.h>
[328]	86	#endif
[348]	87	#endif
[8]	88	#include <sys/socket.h>
	89	#include <arpa/inet.h>
[331]	90	#if !defined(__PPU__)
[332]	91	#ifdef __NeXT__
	92	#include <netinet/in_systm.h>
	93	#endif
[8]	94	#include <netinet/tcp.h>
[187]	95	#endif
[255]	96	#ifndef NO_GETNAMEINFO
[116]	97	#include <netdb.h>
[8]	98	#endif
[163]	99	#endif
[8]	100
[189]	101	#if defined(_PSP) \|\| defined(__ps2sdk__)
[182]	102	#include "strptime.h"
	103	#endif
	104
[97]	105	#ifdef __HAIKU__
	106	#include <OS.h>
	107	#endif
	108
[334]	109	#ifdef __NeXT__
	110	#include <sys/time.h>
	111	#endif
	112
[347]	113	#if defined(__USLC__) \|\| defined(__NeXT__)
[303]	114	typedef int socklen_t;
	115	#endif
	116
[212]	117	#ifndef S_ISDIR
[272]	118	#define S_ISDIR(x) ((x) & _S_IFDIR)
[212]	119	#endif
	120
[8]	121	extern struct tw_config config;
[18]	122	extern char tw_server[];
[8]	123
	124	int sockcount = 0;
	125
[9]	126	SOCKADDR addresses[MAX_PORTS];
	127	int sockets[MAX_PORTS];
[8]	128
[219]	129	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[70]	130	const 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"};
	131	#endif
	132
[23]	133	/* https://qiita.com/gyu-don/items/5a640c6d2252a860c8cd */
	134	int tw_wildcard_match(const char* wildcard, const char* target) {
	135	const char pw = wildcard, pt = target;
	136
	137	while(1) {
	138	if(*pt == 0) {
	139	while(pw == '') pw++;
	140	return *pw == 0;
	141	} else if(*pw == 0) {
	142	return 0;
	143	} else if(pw == '') {
	144	return *(pw + 1) == 0 \|\| tw_wildcard_match(pw, pt + 1) \|\| tw_wildcard_match(pw + 1, pt);
[312]	145	} else if(pw == '?' \|\| (tolower(pw) == tolower(*pt))) {
[23]	146	pw++;
	147	pt++;
	148	continue;
	149	} else {
	150	return 0;
	151	}
	152	}
	153	}
	154
[8]	155	void close_socket(int sock) {
[312]	156	#ifdef __OS2__
	157	soclose(sock);
[315]	158	#elif defined(__NETWARE__)
	159	shutdown(sock, 2);
[312]	160	#elif defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[8]	161	closesocket(sock);
	162	#else
	163	close(sock);
	164	#endif
	165	}
	166
	167	int tw_server_init(void) {
	168	int i;
[315]	169	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| (defined(__WATCOMC__) && !defined(__OS2__) && !defined(__NETWARE__))
[8]	170	WSADATA wsa;
[240]	171	#ifdef USE_WINSOCK1
	172	WSAStartup(MAKEWORD(1, 1), &wsa);
	173	#else
[8]	174	WSAStartup(MAKEWORD(2, 0), &wsa);
	175	#endif
[240]	176	#endif
[312]	177	#ifdef __OS2__
	178	sock_init();
	179	#endif
[8]	180	for(i = 0; config.ports[i] != -1; i++)
	181	;
	182	sockcount = i;
	183	for(i = 0; config.ports[i] != -1; i++) {
[212]	184	int yes = 1;
	185	int no = 0;
[8]	186	#ifdef NO_IPV6
	187	int sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
	188	#else
	189	int sock = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
	190	#endif
[215]	191	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__)
[8]	192	if(sock == INVALID_SOCKET)
	193	#else
	194	if(sock < 0)
	195	#endif
	196	{
	197	cm_log("Server", "Socket creation failure");
	198	return 1;
	199	}
	200	if(setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(yes)) < 0) {
	201	close_socket(sock);
	202	cm_log("Server", "setsockopt failure (reuseaddr)");
	203	return 1;
	204	}
[275]	205	#if !defined(__PPU__) && !defined(__minix)
[8]	206	if(setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(yes)) < 0) {
	207	close_socket(sock);
	208	cm_log("Server", "setsockopt failure (nodelay)");
	209	return 1;
	210	}
[187]	211	#endif
[8]	212	#ifndef NO_IPV6
	213	if(setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&no, sizeof(no)) < 0) {
	214	close_socket(sock);
	215	cm_log("Server", "setsockopt failure (IPv6)");
	216	return 1;
	217	}
	218	#endif
	219	memset(&addresses[i], 0, sizeof(addresses[i]));
	220	#ifdef NO_IPV6
	221	addresses[i].sin_family = AF_INET;
	222	addresses[i].sin_addr.s_addr = INADDR_ANY;
[214]	223	addresses[i].sin_port = htons(config.ports[i] & 0xffff);
[8]	224	#else
	225	addresses[i].sin6_family = AF_INET6;
	226	addresses[i].sin6_addr = in6addr_any;
[214]	227	addresses[i].sin6_port = htons(config.ports[i] & 0xffff);
[8]	228	#endif
	229	if(bind(sock, (struct sockaddr*)&addresses[i], sizeof(addresses[i])) < 0) {
	230	close_socket(sock);
	231	cm_log("Server", "Bind failure");
	232	return 1;
	233	}
	234	if(listen(sock, 128) < 0) {
	235	close_socket(sock);
	236	cm_log("Server", "Listen failure");
	237	return 1;
	238	}
	239	sockets[i] = sock;
	240	}
	241	return 0;
	242	}
[9]	243
[16]	244	size_t tw_read(SSL* ssl, int s, void* data, size_t len) {
[43]	245	#ifndef NO_SSL
[16]	246	if(ssl == NULL) {
	247	return recv(s, data, len, 0);
	248	} else {
	249	return SSL_read(ssl, data, len);
	250	}
[43]	251	#else
	252	return recv(s, data, len, 0);
	253	#endif
[16]	254	}
	255
	256	size_t tw_write(SSL* ssl, int s, void* data, size_t len) {
[43]	257	#ifndef NO_SSL
[16]	258	if(ssl == NULL) {
	259	return send(s, data, len, 0);
	260	} else {
	261	return SSL_write(ssl, data, len);
	262	}
[43]	263	#else
	264	return send(s, data, len, 0);
	265	#endif
[16]	266	}
	267
[20]	268	#define ERROR_HTML \
[18]	269	"<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n" \
	270	"<html>\n" \
	271	" <head>\n" \
[20]	272	" <title>%s</title>\n" \
[18]	273	" </head>\n" \
	274	" <body>\n" \
[20]	275	" <h1>%s</h1>\n" \
[18]	276	" <hr>\n" \
	277	" ", \
	278	address, \
	279	"\n" \
	280	" </body>\n" \
	281	"</html>\n"
	282
[32]	283	void _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]	284	char construct[512];
[212]	285	size_t incr;
[32]	286	if(mtime != 0 && cmtime != 0 && mtime <= cmtime) {
	287	status = "304 Not Modified";
	288	type = NULL;
	289	size = 0;
	290	headers = NULL;
	291	f = NULL;
	292	doc = NULL;
	293	}
[215]	294	#if defined(_MSC_VER) \|\| defined(__BORLANDC__)
[212]	295	sprintf(construct, "%lu", (unsigned long)size);
	296	#else
[18]	297	sprintf(construct, "%llu", (unsigned long long)size);
[212]	298	#endif
[18]	299	tw_write(ssl, sock, "HTTP/1.1 ", 9);
	300	tw_write(ssl, sock, (char*)status, strlen(status));
	301	tw_write(ssl, sock, "\r\n", 2);
[24]	302	if(type != NULL) {
	303	tw_write(ssl, sock, "Content-Type: ", 7 + 5 + 2);
	304	tw_write(ssl, sock, (char*)type, strlen(type));
	305	tw_write(ssl, sock, "\r\n", 2);
	306	}
[18]	307	tw_write(ssl, sock, "Server: ", 6 + 2);
	308	tw_write(ssl, sock, tw_server, strlen(tw_server));
	309	tw_write(ssl, sock, "\r\n", 2);
[24]	310	if(size != 0) {
	311	tw_write(ssl, sock, "Content-Length: ", 7 + 7 + 2);
	312	tw_write(ssl, sock, construct, strlen(construct));
	313	tw_write(ssl, sock, "\r\n", 2);
[32]	314	if(mtime != 0) {
	315	struct tm* tm = gmtime(&mtime);
	316	char date[513];
	317	strftime(date, 512, "%a, %d %b %Y %H:%M:%S GMT", tm);
	318	tw_write(ssl, sock, "Last-Modified: ", 5 + 8 + 2);
	319	tw_write(ssl, sock, date, strlen(date));
	320	tw_write(ssl, sock, "\r\n", 2);
	321	}
[24]	322	}
	323	if(headers != NULL) {
[212]	324	int i;
[24]	325	for(i = 0; headers[i] != NULL; i += 2) {
	326	tw_write(ssl, sock, headers[i], strlen(headers[i]));
	327	tw_write(ssl, sock, ": ", 2);
	328	tw_write(ssl, sock, headers[i + 1], strlen(headers[i + 1]));
	329	tw_write(ssl, sock, "\r\n", 2);
	330	}
	331	}
[18]	332	tw_write(ssl, sock, "\r\n", 2);
[24]	333	if(doc == NULL && f == NULL) return;
[212]	334	incr = 0;
[18]	335	while(1) {
[22]	336	if(f != NULL) {
[21]	337	char buffer[128];
	338	fread(buffer, size < 128 ? size : 128, 1, f);
	339	tw_write(ssl, sock, buffer, size < 128 ? size : 128);
[22]	340	} else {
[21]	341	tw_write(ssl, sock, (unsigned char*)doc + incr, size < 128 ? size : 128);
	342	}
[18]	343	incr += 128;
[19]	344	if(size <= 128) break;
[18]	345	size -= 128;
	346	}
	347	}
	348
[32]	349	void 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]	350
[18]	351	const char* tw_http_status(int code) {
[20]	352	if(code == 200) {
	353	return "200 OK";
[166]	354	} else if(code == 301) {
[167]	355	return "301 Moved Permanently";
[24]	356	} else if(code == 308) {
	357	return "308 Permanent Redirect";
[20]	358	} else if(code == 400) {
[18]	359	return "400 Bad Request";
[20]	360	} else if(code == 401) {
	361	return "401 Unauthorized";
	362	} else if(code == 403) {
	363	return "403 Forbidden";
	364	} else if(code == 404) {
	365	return "404 Not Found";
[161]	366	} else if(code == 500) {
	367	return "500 Internal Server Error";
[18]	368	} else {
	369	return "400 Bad Request";
	370	}
	371	}
	372
[123]	373	char* tw_http_default_error(int code, char* name, int port, struct tw_config_entry* vhost) {
[18]	374	char address[1024];
[212]	375	char* st;
	376	char* st2;
	377	char* buffer;
	378	char* str;
	379	int i;
[20]	380
[123]	381	if((vhost->hideport == -1 ? config.root.hideport : vhost->hideport) == 1) {
	382	sprintf(address, "<address>%s Server at %s</address>", tw_server, name, port);
	383	} else {
	384	sprintf(address, "<address>%s Server at %s Port %d</address>", tw_server, name, port);
	385	}
	386
[212]	387	st = cm_strdup(tw_http_status(code));
[20]	388	for(i = 0; st[i] != 0; i++) {
	389	if(st[i] == ' ') {
	390	st2 = cm_strdup(st + i + 1);
	391	break;
	392	}
[18]	393	}
[212]	394	buffer = malloc(4096);
	395	str = cm_strcat3(ERROR_HTML);
[20]	396	sprintf(buffer, str, st, st2);
	397	free(str);
	398	free(st);
	399	return buffer;
[18]	400	}
	401
[123]	402	void tw_http_error(SSL* ssl, int sock, int error, char* name, int port, struct tw_config_entry* vhost) {
	403	char* str = tw_http_default_error(error, name, port, vhost);
[32]	404	tw_process_page(ssl, sock, tw_http_status(error), "text/html", NULL, str, strlen(str), 0, 0);
[18]	405	free(str);
	406	}
	407
[20]	408	void addstring(char** str, const char* add, ...) {
	409	int i;
	410	char cbuf[2];
[212]	411	va_list va;
[20]	412	cbuf[1] = 0;
	413	va_start(va, add);
	414	for(i = 0; add[i] != 0; i++) {
	415	cbuf[0] = add[i];
	416	if(add[i] == '%') {
	417	i++;
	418	if(add[i] == 's') {
	419	char* tmp = *str;
	420	str = cm_strcat(tmp, va_arg(va, const char));
	421	free(tmp);
	422	} else if(add[i] == 'h') {
	423	char* h = cm_html_escape(va_arg(va, const char*));
	424	char* tmp = *str;
	425	*str = cm_strcat(tmp, h);
	426	free(tmp);
	427	free(h);
[21]	428	} else if(add[i] == 'l') {
	429	char* h = cm_url_escape(va_arg(va, const char*));
	430	char* tmp = *str;
	431	*str = cm_strcat(tmp, h);
	432	free(tmp);
	433	free(h);
[20]	434	} else if(add[i] == 'd') {
	435	int n = va_arg(va, int);
	436	char* h = malloc(512);
[212]	437	char* tmp = *str;
[20]	438	sprintf(h, "%d", n);
	439	*str = cm_strcat(tmp, h);
	440	free(tmp);
	441	free(h);
	442	} else if(add[i] == '%') {
	443	char* tmp = *str;
	444	*str = cm_strcat(tmp, "%");
	445	free(tmp);
	446	}
	447	} else {
	448	char* tmp = *str;
	449	*str = cm_strcat(tmp, cbuf);
	450	free(tmp);
	451	}
	452	}
[74]	453	va_end(va);
[20]	454	}
	455
[22]	456	char* tw_get_mime(const char* ext, struct tw_config_entry* vhost_entry) {
	457	char* mime = "application/octet-stream";
	458	bool set = false;
	459	int i;
[212]	460	if(ext == NULL) return mime;
[22]	461	for(i = 0; i < vhost_entry->mime_count; i++) {
[23]	462	if(strcmp(vhost_entry->mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(vhost_entry->mimes[i].ext, ext))) {
[22]	463	mime = vhost_entry->mimes[i].mime;
	464	set = true;
	465	}
	466	}
	467	if(!set) {
	468	for(i = 0; i < config.root.mime_count; i++) {
[23]	469	if(strcmp(config.root.mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(config.root.mimes[i].ext, ext))) {
[22]	470	mime = config.root.mimes[i].mime;
	471	}
	472	}
	473	}
	474	return mime;
	475	}
	476
	477	char* tw_get_icon(const char* mime, struct tw_config_entry* vhost_entry) {
	478	char* icon = "";
	479	bool set = false;
	480	int i;
[212]	481	if(mime == NULL) return "";
[22]	482	for(i = 0; i < vhost_entry->icon_count; i++) {
[23]	483	if(strcmp(vhost_entry->icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(vhost_entry->icons[i].mime, mime))) {
[22]	484	icon = vhost_entry->icons[i].icon;
	485	set = true;
	486	}
	487	}
	488	if(!set) {
	489	for(i = 0; i < config.root.icon_count; i++) {
[23]	490	if(strcmp(config.root.icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(config.root.icons[i].mime, mime))) {
[22]	491	icon = config.root.icons[i].icon;
	492	}
	493	}
	494	}
	495	return icon;
	496	}
	497
[11]	498	struct pass_entry {
	499	int sock;
[12]	500	int port;
[11]	501	bool ssl;
[21]	502	SOCKADDR addr;
[11]	503	};
	504
[219]	505	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[216]	506	#define NO_RETURN_THREAD
[215]	507	void tw_server_pass(void* ptr) {
[97]	508	#elif defined(__HAIKU__)
	509	int32_t tw_server_pass(void* ptr) {
[187]	510	#elif defined(_PSP) \|\| defined(__PPU__)
[183]	511	int tw_server_pass(void* ptr) {
[105]	512	#endif
[219]	513	#if defined(__HAIKU__) \|\| defined(__MINGW32__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	514	#define FREE_PTR
[11]	515	int sock = ((struct pass_entry*)ptr)->sock;
	516	bool ssl = ((struct pass_entry*)ptr)->ssl;
[14]	517	int port = ((struct pass_entry*)ptr)->port;
[21]	518	SOCKADDR addr = ((struct pass_entry*)ptr)->addr;
[11]	519	#else
[216]	520	#define NO_RETURN_THREAD
[105]	521	void tw_server_pass(int sock, bool ssl, int port, SOCKADDR addr) {
[11]	522	#endif
[212]	523	SSL* s = NULL;
[43]	524	#ifndef NO_SSL
[12]	525	SSL_CTX* ctx = NULL;
[15]	526	bool sslworks = false;
[12]	527	if(ssl) {
	528	ctx = tw_create_ssl_ctx(port);
	529	s = SSL_new(ctx);
	530	SSL_set_fd(s, sock);
	531	if(SSL_accept(s) <= 0) goto cleanup;
[15]	532	sslworks = true;
[12]	533	}
[43]	534	#endif
[212]	535	char* name = config.hostname;
[116]	536	char address[513];
[212]	537	int ret;
	538	struct tw_http_request req;
	539	struct tw_http_response res;
	540	struct tw_tool tools;
[255]	541	char* addrstr;
	542	#ifndef NO_GETNAMEINFO
[116]	543	struct sockaddr* sa = (struct sockaddr*)&addr;
	544	getnameinfo(sa, sizeof(addr), address, 512, NULL, 0, NI_NUMERICHOST);
[315]	545	#elif defined(__NETWARE__)
	546	address[0] = 0;
[257]	547	#else
[315]	548	addrstr = inet_ntoa(addr.sin_addr);
	549	strcpy(address, addrstr);
	550	address[strlen(addrstr)] = 0;
[163]	551	#endif
[212]	552	#ifdef FREE_PTR
	553	free(ptr);
	554	#endif
[116]	555
[20]	556	res._processed = false;
	557	tw_init_tools(&tools);
[212]	558	ret = tw_http_parse(s, sock, &req);
[17]	559	if(ret == 0) {
[116]	560	char date[513];
	561	time_t t = time(NULL);
	562	struct tm* tm = localtime(&t);
[212]	563	char* useragent = cm_strdup("");
	564	int i;
	565	char* tmp;
	566	char* tmp2;
	567	char* tmp3;
	568	char* tmp4;
	569	char* tmp5;
	570	char* log;
	571	char* vhost;
	572	time_t cmtime;
	573	bool rej;
	574	char* host;
	575	int port;
[293]	576	char* chrootpath;
[212]	577	struct tw_config_entry* vhost_entry;
[116]	578	strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
	579
[117]	580	for(i = 0; req.headers[i] != NULL; i += 2) {
	581	if(cm_strcaseequ(req.headers[i], "User-Agent")) {
[116]	582	free(useragent);
	583	useragent = cm_strdup(req.headers[i + 1]);
	584	}
	585	}
	586
[212]	587	tmp = cm_strcat3(address, " - [", date);
	588	tmp2 = cm_strcat3(tmp, "] \"", req.method);
	589	tmp3 = cm_strcat3(tmp2, " ", req.path);
	590	tmp4 = cm_strcat3(tmp3, " ", req.version);
	591	tmp5 = cm_strcat3(tmp4, "\" \"", useragent);
	592	log = cm_strcat(tmp5, "\"");
[116]	593	free(tmp);
	594	free(tmp2);
	595	free(tmp3);
	596	free(tmp4);
	597	free(tmp5);
	598	free(useragent);
	599	cm_force_log(log);
	600	free(log);
	601
[212]	602	vhost = cm_strdup(config.hostname);
	603	cmtime = 0;
[70]	604	if(req.headers != NULL) {
[64]	605	for(i = 0; req.headers[i] != NULL; i += 2) {
	606	if(cm_strcaseequ(req.headers[i], "Host")) {
	607	free(vhost);
	608	vhost = cm_strdup(req.headers[i + 1]);
	609	} else if(cm_strcaseequ(req.headers[i], "If-Modified-Since")) {
	610	struct tm tm;
[212]	611	time_t t;
	612	struct tm* btm;
[64]	613	strptime(req.headers[i + 1], "%a, %d %b %Y %H:%M:%S GMT", &tm);
[342]	614	#if defined(__MINGW32__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(__ps2sdk__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__) \|\| defined(__USLC__) \|\| defined(__NeXT__)
[212]	615	t = 0;
	616	btm = localtime(&t);
[64]	617	cmtime = mktime(&tm);
	618	cmtime -= (btm->tm_hour * 60 + btm->tm_min) * 60;
[32]	619	#else
[140]	620	cmtime = timegm(&tm);
[32]	621	#endif
[64]	622	}
[21]	623	}
	624	}
[212]	625	rej = false;
[21]	626	cm_log("Server", "Host is %s", vhost);
[212]	627	port = s == NULL ? 80 : 443;
	628	host = cm_strdup(vhost);
[22]	629	for(i = 0; vhost[i] != 0; i++) {
	630	if(vhost[i] == ':') {
[21]	631	host[i] = 0;
	632	port = atoi(host + i + 1);
	633	break;
	634	}
	635	}
[136]	636	name = host;
[21]	637	cm_log("Server", "Hostname is `%s', port is `%d'", host, port);
[212]	638	vhost_entry = tw_vhost_match(host, port);
[161]	639	#ifdef HAS_CHROOT
[293]	640	chrootpath = vhost_entry->chroot_path != NULL ? vhost_entry->chroot_path : config.root.chroot_path;
[161]	641	if(chrootpath != NULL) {
	642	if(chdir(chrootpath) == 0) {
	643	if(chroot(".") == 0) {
	644	cm_log("Server", "Chroot successful");
	645	}
	646	} else {
	647	cm_log("Server", "chdir() failed, cannot chroot");
	648	tw_http_error(s, sock, 500, name, port, vhost_entry);
	649	rej = true;
	650	}
	651	}
	652	#endif
[20]	653	for(i = 0; i < config.module_count; i++) {
[314]	654	#ifdef __OS2__
	655	tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "MOD_REQUEST");
	656	#else
[315]	657	tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "mod_request");
[314]	658	#endif
[20]	659	if(mod_req != NULL) {
	660	int ret = mod_req(&tools, &req, &res);
	661	int co = ret & 0xff;
[141]	662	if(co == _TW_MODULE_PASS) {
	663	continue;
	664	} else if(co == _TW_MODULE_STOP) {
	665	/* Handle response here ... */
[20]	666	res._processed = true;
	667	break;
[141]	668	} else if(co == _TW_MODULE_STOP2) {
	669	res._processed = true;
	670	break;
	671	} else if(co == _TW_MODULE_ERROR) {
[123]	672	tw_http_error(s, sock, (ret & 0xffff00) >> 8, name, port, vhost_entry);
[20]	673	break;
	674	}
	675	}
	676	}
	677	if(!res._processed) {
[212]	678	char* path;
	679	char* rpath;
	680	struct stat st;
[215]	681	char* slash;
[21]	682	cm_log("Server", "Document root is %s", vhost_entry->root == NULL ? "not set" : vhost_entry->root);
[212]	683	path = cm_strcat(vhost_entry->root == NULL ? "" : vhost_entry->root, req.path);
[21]	684	cm_log("Server", "Filesystem path is %s", path);
[219]	685	#if defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[216]	686	for(i = strlen(path) - 1; i >= 0; i--) {
	687	if(path[i] == '/') {
[215]	688	path[i] = 0;
[216]	689	} else {
[215]	690	break;
	691	}
	692	}
	693	#endif
[219]	694	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	695	rpath = cm_strdup(path);
[72]	696	for(i = strlen(rpath) - 1; i >= 0; i--) {
[73]	697	if(rpath[i] == '/') {
	698	int j;
	699	for(j = i + 1; rpath[j] != 0; j++) {
	700	if(rpath[j] == ':' \|\| rpath[j] == '.') {
	701	rpath[j] = 0;
	702	break;
	703	}
	704	}
[71]	705	break;
	706	}
	707	}
[70]	708	for(i = 0; i < sizeof(reserved_names) / sizeof(reserved_names[0]); i++) {
	709	char* n = cm_strcat("/", reserved_names[i]);
[71]	710	if(cm_nocase_endswith(rpath, n)) {
[124]	711	tw_http_error(s, sock, 403, name, port, vhost_entry);
[70]	712	free(n);
	713	rej = true;
	714	cm_log("Server", "XP Patch ; rejecting access to device");
	715	break;
	716	}
	717	free(n);
	718	}
[71]	719	free(rpath);
[70]	720	#endif
	721	if(!rej && stat(path, &st) == 0) {
[22]	722	if(!tw_permission_allowed(path, addr, req, vhost_entry)) {
[123]	723	tw_http_error(s, sock, 403, name, port, vhost_entry);
[22]	724	} else if(S_ISDIR(st.st_mode)) {
[24]	725	if(req.path[strlen(req.path) - 1] != '/') {
[215]	726	char* headers[3] = {"Location", NULL, NULL};
	727	headers[1] = cm_strcat(req.path, "/");
[61]	728	cm_log("Server", "Accessing directory without the slash at the end");
[166]	729	_tw_process_page(s, sock, tw_http_status(301), NULL, NULL, NULL, 0, headers, 0, 0);
[24]	730	free(headers[1]);
	731	} else {
	732	char** indexes = vhost_entry->index_count == 0 ? config.root.indexes : vhost_entry->indexes;
	733	int index_count = vhost_entry->index_count == 0 ? config.root.index_count : vhost_entry->index_count;
	734	bool found = false;
	735	for(i = 0; i < index_count; i++) {
	736	char* p = cm_strcat3(path, "/", indexes[i]);
	737	FILE* f = fopen(p, "rb");
	738	if(f != NULL) {
	739	char* ext = NULL;
	740	int j;
[212]	741	struct stat st;
	742	char* mime;
[24]	743	for(j = strlen(p) - 1; j >= 0; j--) {
	744	if(p[j] == '.') {
	745	ext = cm_strdup(p + j);
	746	break;
	747	} else if(p[j] == '/') {
	748	break;
	749	}
[22]	750	}
[24]	751	stat(p, &st);
[212]	752	mime = tw_get_mime(ext, vhost_entry);
[32]	753	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, 0, 0);
[24]	754	fclose(f);
[74]	755	if(ext != NULL) free(ext);
[24]	756	free(p);
	757	found = true;
	758	break;
[22]	759	}
[24]	760	free(p);
	761	}
	762	if(!found) {
	763	char* str = malloc(1);
[212]	764	char** items;
	765	int readme;
	766	char** readmes;
	767	int readme_count;
	768	int hp;
[24]	769	str[0] = 0;
[212]	770	items = cm_scandir(path);
[122]	771	addstring(&str, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n");
[24]	772	addstring(&str, "<html>\n");
	773	addstring(&str, " <head>\n");
	774	addstring(&str, " <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n");
[122]	775	addstring(&str, " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n");
[24]	776	addstring(&str, " <title>Index of %h</title>\n", req.path);
	777	addstring(&str, " </head>\n");
	778	addstring(&str, " <body>\n");
	779	addstring(&str, " <h1>Index of %h</h1>\n", req.path);
	780	addstring(&str, " <hr>\n");
	781	addstring(&str, " <table border=\"0\">\n");
	782	addstring(&str, " <tr>\n");
	783	addstring(&str, " <th></th>\n");
	784	addstring(&str, " <th>Filename</th>\n");
[28]	785	addstring(&str, " <th>MIME</th>\n");
	786	addstring(&str, " <th>Size</th>\n");
[24]	787	addstring(&str, " </tr>\n");
[212]	788	readme = -1;
	789	readmes = vhost_entry->readme_count == 0 ? config.root.readmes : vhost_entry->readmes;
	790	readme_count = vhost_entry->readme_count == 0 ? config.root.readme_count : vhost_entry->readme_count;
[24]	791	if(items != NULL) {
[29]	792	int phase = 0;
	793	doit:
[24]	794	for(i = 0; items[i] != NULL; i++) {
[33]	795	int j;
[212]	796	char* ext;
	797	char* itm;
	798	char* icon;
[28]	799	char* fpth = cm_strcat3(path, "/", items[i]);
	800	struct stat s;
	801	char size[512];
[212]	802	char* showmime;
	803	char* mime;
[28]	804	size[0] = 0;
	805	stat(fpth, &s);
[29]	806	if(phase == 0 && !S_ISDIR(s.st_mode)) {
	807	free(fpth);
	808	continue;
	809	} else if(phase == 1 && S_ISDIR(s.st_mode)) {
	810	free(fpth);
	811	continue;
	812	}
[33]	813	if(readme == -1) {
	814	for(j = 0; j < readme_count; j++) {
	815	if(strcmp(items[i], readmes[j]) == 0) {
	816	readme = j;
	817	break;
	818	}
	819	}
	820	if(readme != -1) {
	821	free(fpth);
	822	continue;
	823	}
	824	}
[212]	825	if(s.st_size < NUM1024) {
[31]	826	sprintf(size, "%d", (int)s.st_size);
[212]	827	} else if(s.st_size < NUM1024 * 1024) {
[29]	828	sprintf(size, "%.1fK", (double)s.st_size / 1024);
[212]	829	} else if(s.st_size < NUM1024 * 1024 * 1024) {
[29]	830	sprintf(size, "%.1fM", (double)s.st_size / 1024 / 1024);
[212]	831	} else if(s.st_size < NUM1024 * 1024 * 1024 * 1024) {
[29]	832	sprintf(size, "%.1fG", (double)s.st_size / 1024 / 1024 / 1024);
[212]	833	} else if(s.st_size < NUM1024 * 1024 * 1024 * 1024 * 1024) {
[29]	834	sprintf(size, "%.1fT", (double)s.st_size / 1024 / 1024 / 1024 / 1024);
[28]	835	}
	836
	837	free(fpth);
	838
[212]	839	ext = NULL;
[24]	840	for(j = strlen(items[i]) - 1; j >= 0; j--) {
	841	if(items[i][j] == '.') {
	842	ext = cm_strdup(items[i] + j);
	843	break;
	844	} else if(items[i][j] == '/') {
	845	break;
	846	}
	847	}
[212]	848	showmime = "";
	849	mime = tw_get_mime(ext, vhost_entry);
[24]	850	if(strcmp(items[i], "../") == 0) {
	851	mime = "misc/parent";
[29]	852	size[0] = 0;
[24]	853	} else if(items[i][strlen(items[i]) - 1] == '/') {
	854	mime = "misc/dir";
[29]	855	size[0] = 0;
	856	} else {
[28]	857	showmime = mime;
[24]	858	}
[212]	859	icon = tw_get_icon(mime, vhost_entry);
[24]	860	if(ext != NULL) free(ext);
[212]	861	itm = cm_strdup(items[i]);
[24]	862	if(strlen(itm) >= 32) {
	863	if(itm[strlen(itm) - 1] == '/') {
	864	itm[31] = 0;
	865	itm[30] = '/';
	866	itm[29] = '.';
	867	itm[28] = '.';
	868	itm[27] = '.';
	869	} else {
	870	itm[31] = 0;
	871	itm[30] = '.';
	872	itm[29] = '.';
	873	itm[28] = '.';
	874	}
	875	}
	876	addstring(&str, "<tr>\n");
	877	addstring(&str, " <td><img src=\"%s\" alt=\"icon\"></td>\n", icon);
	878	addstring(&str, " <td><a href=\"%l\"><code>%h</code></a></td>\n", items[i], itm);
[60]	879	addstring(&str, " <td><code> %h </code></td>\n", showmime);
	880	addstring(&str, " <td><code> %s </code></td>\n", size);
[24]	881	addstring(&str, "</tr>\n");
	882	free(itm);
[22]	883	}
[29]	884	phase++;
	885	if(phase != 2) goto doit;
	886	for(i = 0; items[i] != NULL; i++) free(items[i]);
	887	free(items);
[22]	888	}
[24]	889	addstring(&str, " </table>\n");
[33]	890	if(readme != -1) {
[212]	891	struct stat s;
	892	FILE* fr;
	893	char* fpth;
[33]	894	addstring(&str, "<hr>\n");
[212]	895	fpth = cm_strcat3(path, "/", readmes[readme]);
[33]	896	stat(fpth, &s);
[212]	897	fr = fopen(fpth, "r");
[33]	898	if(fr != NULL) {
	899	char* rmbuf = malloc(s.st_size + 1);
	900	rmbuf[s.st_size] = 0;
	901	fread(rmbuf, s.st_size, 1, fr);
	902	addstring(&str, "<pre><code>%h</code></pre>\n", rmbuf);
	903	fclose(fr);
[70]	904	free(rmbuf);
[33]	905	}
[66]	906	free(fpth);
[33]	907	}
[24]	908	addstring(&str, " <hr>\n");
[212]	909	hp = vhost_entry->hideport == -1 ? config.root.hideport : vhost_entry->hideport;
[123]	910	if(hp == 0) {
	911	addstring(&str, " <address>%s Server at %s Port %d</address>\n", tw_server, name, port);
	912	} else {
	913	addstring(&str, " <address>%s Server at %s</address>\n", tw_server, name, port);
	914	}
[24]	915	addstring(&str, " </body>\n");
	916	addstring(&str, "</html>\n");
[32]	917	tw_process_page(s, sock, tw_http_status(200), "text/html", NULL, str, strlen(str), 0, 0);
[24]	918	free(str);
[21]	919	}
	920	}
[22]	921	} else {
[21]	922	char* ext = NULL;
[212]	923	char* mime;
	924	FILE* f;
[22]	925	for(i = strlen(req.path) - 1; i >= 0; i--) {
	926	if(req.path[i] == '.') {
[21]	927	ext = cm_strdup(req.path + i);
	928	break;
[24]	929	} else if(req.path[i] == '/') {
	930	break;
[21]	931	}
	932	}
[212]	933	mime = tw_get_mime(ext, vhost_entry);
[21]	934	if(ext != NULL) free(ext);
[212]	935	f = fopen(path, "rb");
[173]	936	if(f == NULL) {
	937	tw_http_error(s, sock, 403, name, port, vhost_entry);
	938	} else {
[349]	939	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, st.st_mtime, cmtime);
[173]	940	fclose(f);
	941	}
[21]	942	}
[22]	943	} else {
[161]	944	if(!rej) {
	945	tw_http_error(s, sock, 404, name, port, vhost_entry);
	946	}
[21]	947	}
	948	free(path);
[20]	949	}
[21]	950	free(vhost);
	951	free(host);
[22]	952	} else if(ret == -1) {
[18]	953	} else {
[123]	954	tw_http_error(s, sock, 400, name, port, &config.root);
[17]	955	}
[70]	956	tw_free_request(&req);
[12]	957	cleanup:
[43]	958	#ifndef NO_SSL
[16]	959	if(sslworks) {
[15]	960	SSL_shutdown(s);
	961	}
	962	SSL_free(s);
[46]	963	#endif
[11]	964	close_socket(sock);
[219]	965	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[315]	966	#ifdef __NETWARE__
	967	#else
[216]	968	_endthread();
[315]	969	#endif
[100]	970	#elif defined(__HAIKU__)
[105]	971	exit_thread(0);
[11]	972	#endif
[216]	973	#ifndef NO_RETURN_THREAD
[214]	974	return 0;
[215]	975	#endif
[11]	976	}
	977
[62]	978	#ifdef SERVICE
	979	extern SERVICE_STATUS status;
	980	extern SERVICE_STATUS_HANDLE status_handle;
	981	#endif
	982
[219]	983	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[65]	984	struct thread_entry {
[101]	985	#ifdef __HAIKU__
	986	thread_id thread;
[315]	987	#elif defined(__NETWARE__)
	988	int thread;
[101]	989	#else
[65]	990	HANDLE handle;
[101]	991	#endif
[65]	992	bool used;
	993	};
	994	#endif
	995
[183]	996	extern int running;
	997
[11]	998	void tw_server_loop(void) {
[68]	999	int i;
[212]	1000	#ifndef USE_POLL
[213]	1001	fd_set fdset;
	1002	struct timeval tv;
[212]	1003	#endif
[219]	1004	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[65]	1005	struct thread_entry threads[2048];
[70]	1006	for(i = 0; i < sizeof(threads) / sizeof(threads[0]); i++) {
[65]	1007	threads[i].used = false;
	1008	}
	1009	#endif
[118]	1010	#ifdef USE_POLL
[302]	1011	struct pollfd* pollfds = malloc(sizeof(pollfds) sockcount);
[118]	1012	for(i = 0; i < sockcount; i++) {
	1013	pollfds[i].fd = sockets[i];
	1014	pollfds[i].events = POLLIN \| POLLPRI;
	1015	}
	1016	#endif
[183]	1017	while(running) {
[212]	1018	int ret;
[118]	1019	#ifdef USE_POLL
[212]	1020	ret = poll(pollfds, sockcount, 1000);
[118]	1021	#else
	1022	FD_ZERO(&fdset);
	1023	for(i = 0; i < sockcount; i++) {
	1024	FD_SET(sockets[i], &fdset);
	1025	}
	1026	tv.tv_sec = 1;
	1027	tv.tv_usec = 0;
[86]	1028	#ifdef __HAIKU__
[212]	1029	ret = select(32, &fdset, NULL, NULL, &tv);
[86]	1030	#else
[212]	1031	ret = select(FD_SETSIZE, &fdset, NULL, NULL, &tv);
[86]	1032	#endif
[118]	1033	#endif
[11]	1034	if(ret == -1) {
[219]	1035	#if !defined(__MINGW32__) && !defined(_MSC_VER) && !defined(__BORLANDC__) && !defined(__WATCOMC__)
[296]	1036	if(errno == EINTR) continue;
[84]	1037	cm_log("Server", "Select failure: %s", strerror(errno));
	1038	#endif
[9]	1039	break;
[70]	1040	} else if(ret == 0) {
[62]	1041	#ifdef SERVICE
[70]	1042	if(status.dwCurrentState == SERVICE_STOP_PENDING) {
[62]	1043	break;
	1044	}
	1045	#endif
[11]	1046	} else if(ret > 0) {
[9]	1047	/* connection */
	1048	int i;
[11]	1049	for(i = 0; i < sockcount; i++) {
[118]	1050	bool cond;
	1051	#ifdef USE_POLL
	1052	cond = pollfds[i].revents & POLLIN;
	1053	#else
	1054	cond = FD_ISSET(sockets[i], &fdset);
	1055	#endif
	1056	if(cond) {
[9]	1057	SOCKADDR claddr;
[182]	1058	socklen_t clen = sizeof(claddr);
[9]	1059	int sock = accept(sockets[i], (struct sockaddr*)&claddr, &clen);
[219]	1060	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	1061	int j;
	1062	struct pass_entry* e = malloc(sizeof(*e));
[12]	1063	cm_log("Server", "New connection accepted");
[11]	1064	e->sock = sock;
[215]	1065	#if defined(_MSC_VER) \|\| defined(__BORLANDC__)
[212]	1066	e->ssl = config.ports[i] & (1UL << 31);
	1067	#else
	1068	e->ssl = config.ports[i] & (1ULL << 31);
	1069	#endif
[12]	1070	e->port = config.ports[i];
[21]	1071	e->addr = claddr;
[97]	1072	#endif
[219]	1073	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[312]	1074	#ifdef __OS2__
	1075	_beginthread(tw_server_pass, 0, 0, e);
[315]	1076	#elif defined(__NETWARE__)
[349]	1077	tw_server_pass(e);
[312]	1078	#else
[212]	1079	_beginthread(tw_server_pass, 0, e);
[312]	1080	#endif
[187]	1081	#elif defined(_PSP) \|\| defined(__PPU__)
[183]	1082	tw_server_pass(e);
[97]	1083	#elif defined(__HAIKU__)
[183]	1084	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	1085	if(threads[j].used) {
	1086	thread_info info;
	1087	bool kill = false;
	1088	if(get_thread_info(threads[j].thread, &info) == B_OK) {
	1089	} else {
	1090	kill = true;
[101]	1091	}
[183]	1092	if(kill) {
	1093	threads[j].used = false;
[101]	1094	}
	1095	}
[183]	1096	}
	1097	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	1098	if(!threads[j].used) {
	1099	threads[j].thread = spawn_thread(tw_server_pass, "Tewi HTTPd", 60, e);
	1100	threads[j].used = true;
	1101	resume_thread(threads[j].thread);
	1102	break;
	1103	}
	1104	}
[11]	1105	#else
	1106	pid_t pid = fork();
	1107	if(pid == 0) {
[89]	1108	int j;
	1109	for(j = 0; j < sockcount; j++) close_socket(sockets[j]);
[212]	1110	tw_server_pass(sock, config.ports[i] & (1ULL << 31), config.ports[i], claddr);
[11]	1111	_exit(0);
	1112	} else {
	1113	close_socket(sock);
	1114	}
	1115	#endif
[9]	1116	}
	1117	}
	1118	}
	1119	}
[255]	1120	for(i = 0; i < sockcount; i++) {
[253]	1121	close_socket(sockets[i]);
	1122	}
	1123	cm_force_log("Server is down");
[9]	1124	}

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source: Main/trunk/Server/server.c@ 349

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