server.c@ 347

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Last change on this file since 347 was 347, checked in by Nishi, on Oct 16, 2024 at 1:33:28 AM
does not really work
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File size: 29.9 KB

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

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source: Main/trunk/Server/server.c@ 347

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