server.c@ 314

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Last change on this file since 314 was 314, checked in by Nishi, on Oct 14, 2024 at 4:37:04 PM
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Rev	Line
[8]	1	/* $Id: server.c 314 2024-10-14 07:37:04Z 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
[311]	50	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| (defined(__WATCOMC__) && !defined(__OS2__))
[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;
[8]	65	#else
[118]	66	#ifdef USE_POLL
[187]	67	#ifdef __PPU__
	68	#include <net/poll.h>
	69	#else
[118]	70	#include <poll.h>
[187]	71	#endif
[118]	72	#else
[8]	73	#include <sys/select.h>
[118]	74	#endif
[8]	75	#include <sys/socket.h>
	76	#include <arpa/inet.h>
	77	#include <netinet/in.h>
[187]	78	#ifndef __PPU__
[8]	79	#include <netinet/tcp.h>
[187]	80	#endif
[255]	81	#ifndef NO_GETNAMEINFO
[116]	82	#include <netdb.h>
[8]	83	#endif
[163]	84	#endif
[8]	85
[189]	86	#if defined(_PSP) \|\| defined(__ps2sdk__)
[182]	87	#include "strptime.h"
	88	#endif
	89
[97]	90	#ifdef __HAIKU__
	91	#include <OS.h>
	92	#endif
	93
[303]	94	#ifdef __USLC__
	95	typedef int socklen_t;
	96	#endif
	97
[212]	98	#ifndef S_ISDIR
[272]	99	#define S_ISDIR(x) ((x) & _S_IFDIR)
[212]	100	#endif
	101
[8]	102	extern struct tw_config config;
[18]	103	extern char tw_server[];
[8]	104
	105	int sockcount = 0;
	106
[9]	107	SOCKADDR addresses[MAX_PORTS];
	108	int sockets[MAX_PORTS];
[8]	109
[219]	110	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[70]	111	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"};
	112	#endif
	113
[23]	114	/* https://qiita.com/gyu-don/items/5a640c6d2252a860c8cd */
	115	int tw_wildcard_match(const char* wildcard, const char* target) {
	116	const char pw = wildcard, pt = target;
	117
	118	while(1) {
	119	if(*pt == 0) {
	120	while(pw == '') pw++;
	121	return *pw == 0;
	122	} else if(*pw == 0) {
	123	return 0;
	124	} else if(pw == '') {
	125	return *(pw + 1) == 0 \|\| tw_wildcard_match(pw, pt + 1) \|\| tw_wildcard_match(pw + 1, pt);
[312]	126	} else if(pw == '?' \|\| (tolower(pw) == tolower(*pt))) {
[23]	127	pw++;
	128	pt++;
	129	continue;
	130	} else {
	131	return 0;
	132	}
	133	}
	134	}
	135
[8]	136	void close_socket(int sock) {
[312]	137	#ifdef __OS2__
	138	soclose(sock);
	139	#elif defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[8]	140	closesocket(sock);
	141	#else
	142	close(sock);
	143	#endif
	144	}
	145
	146	int tw_server_init(void) {
	147	int i;
[312]	148	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| (defined(__WATCOMC__) && !defined(__OS2__))
[8]	149	WSADATA wsa;
[240]	150	#ifdef USE_WINSOCK1
	151	WSAStartup(MAKEWORD(1, 1), &wsa);
	152	#else
[8]	153	WSAStartup(MAKEWORD(2, 0), &wsa);
	154	#endif
[240]	155	#endif
[312]	156	#ifdef __OS2__
	157	sock_init();
	158	#endif
[8]	159	for(i = 0; config.ports[i] != -1; i++)
	160	;
	161	sockcount = i;
	162	for(i = 0; config.ports[i] != -1; i++) {
[212]	163	int yes = 1;
	164	int no = 0;
[8]	165	#ifdef NO_IPV6
	166	int sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
	167	#else
	168	int sock = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
	169	#endif
[215]	170	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__)
[8]	171	if(sock == INVALID_SOCKET)
	172	#else
	173	if(sock < 0)
	174	#endif
	175	{
	176	cm_log("Server", "Socket creation failure");
	177	return 1;
	178	}
	179	if(setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(yes)) < 0) {
	180	close_socket(sock);
	181	cm_log("Server", "setsockopt failure (reuseaddr)");
	182	return 1;
	183	}
[275]	184	#if !defined(__PPU__) && !defined(__minix)
[8]	185	if(setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(yes)) < 0) {
	186	close_socket(sock);
	187	cm_log("Server", "setsockopt failure (nodelay)");
	188	return 1;
	189	}
[187]	190	#endif
[8]	191	#ifndef NO_IPV6
	192	if(setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&no, sizeof(no)) < 0) {
	193	close_socket(sock);
	194	cm_log("Server", "setsockopt failure (IPv6)");
	195	return 1;
	196	}
	197	#endif
	198	memset(&addresses[i], 0, sizeof(addresses[i]));
	199	#ifdef NO_IPV6
	200	addresses[i].sin_family = AF_INET;
	201	addresses[i].sin_addr.s_addr = INADDR_ANY;
[214]	202	addresses[i].sin_port = htons(config.ports[i] & 0xffff);
[8]	203	#else
	204	addresses[i].sin6_family = AF_INET6;
	205	addresses[i].sin6_addr = in6addr_any;
[214]	206	addresses[i].sin6_port = htons(config.ports[i] & 0xffff);
[8]	207	#endif
	208	if(bind(sock, (struct sockaddr*)&addresses[i], sizeof(addresses[i])) < 0) {
	209	close_socket(sock);
	210	cm_log("Server", "Bind failure");
	211	return 1;
	212	}
	213	if(listen(sock, 128) < 0) {
	214	close_socket(sock);
	215	cm_log("Server", "Listen failure");
	216	return 1;
	217	}
	218	sockets[i] = sock;
	219	}
	220	return 0;
	221	}
[9]	222
[16]	223	size_t tw_read(SSL* ssl, int s, void* data, size_t len) {
[43]	224	#ifndef NO_SSL
[16]	225	if(ssl == NULL) {
	226	return recv(s, data, len, 0);
	227	} else {
	228	return SSL_read(ssl, data, len);
	229	}
[43]	230	#else
	231	return recv(s, data, len, 0);
	232	#endif
[16]	233	}
	234
	235	size_t tw_write(SSL* ssl, int s, void* data, size_t len) {
[43]	236	#ifndef NO_SSL
[16]	237	if(ssl == NULL) {
	238	return send(s, data, len, 0);
	239	} else {
	240	return SSL_write(ssl, data, len);
	241	}
[43]	242	#else
	243	return send(s, data, len, 0);
	244	#endif
[16]	245	}
	246
[20]	247	#define ERROR_HTML \
[18]	248	"<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n" \
	249	"<html>\n" \
	250	" <head>\n" \
[20]	251	" <title>%s</title>\n" \
[18]	252	" </head>\n" \
	253	" <body>\n" \
[20]	254	" <h1>%s</h1>\n" \
[18]	255	" <hr>\n" \
	256	" ", \
	257	address, \
	258	"\n" \
	259	" </body>\n" \
	260	"</html>\n"
	261
[32]	262	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]	263	char construct[512];
[212]	264	size_t incr;
[32]	265	if(mtime != 0 && cmtime != 0 && mtime <= cmtime) {
	266	status = "304 Not Modified";
	267	type = NULL;
	268	size = 0;
	269	headers = NULL;
	270	f = NULL;
	271	doc = NULL;
	272	}
[215]	273	#if defined(_MSC_VER) \|\| defined(__BORLANDC__)
[212]	274	sprintf(construct, "%lu", (unsigned long)size);
	275	#else
[18]	276	sprintf(construct, "%llu", (unsigned long long)size);
[212]	277	#endif
[18]	278	tw_write(ssl, sock, "HTTP/1.1 ", 9);
	279	tw_write(ssl, sock, (char*)status, strlen(status));
	280	tw_write(ssl, sock, "\r\n", 2);
[24]	281	if(type != NULL) {
	282	tw_write(ssl, sock, "Content-Type: ", 7 + 5 + 2);
	283	tw_write(ssl, sock, (char*)type, strlen(type));
	284	tw_write(ssl, sock, "\r\n", 2);
	285	}
[18]	286	tw_write(ssl, sock, "Server: ", 6 + 2);
	287	tw_write(ssl, sock, tw_server, strlen(tw_server));
	288	tw_write(ssl, sock, "\r\n", 2);
[24]	289	if(size != 0) {
	290	tw_write(ssl, sock, "Content-Length: ", 7 + 7 + 2);
	291	tw_write(ssl, sock, construct, strlen(construct));
	292	tw_write(ssl, sock, "\r\n", 2);
[32]	293	if(mtime != 0) {
	294	struct tm* tm = gmtime(&mtime);
	295	char date[513];
	296	strftime(date, 512, "%a, %d %b %Y %H:%M:%S GMT", tm);
	297	tw_write(ssl, sock, "Last-Modified: ", 5 + 8 + 2);
	298	tw_write(ssl, sock, date, strlen(date));
	299	tw_write(ssl, sock, "\r\n", 2);
	300	}
[24]	301	}
	302	if(headers != NULL) {
[212]	303	int i;
[24]	304	for(i = 0; headers[i] != NULL; i += 2) {
	305	tw_write(ssl, sock, headers[i], strlen(headers[i]));
	306	tw_write(ssl, sock, ": ", 2);
	307	tw_write(ssl, sock, headers[i + 1], strlen(headers[i + 1]));
	308	tw_write(ssl, sock, "\r\n", 2);
	309	}
	310	}
[18]	311	tw_write(ssl, sock, "\r\n", 2);
[24]	312	if(doc == NULL && f == NULL) return;
[212]	313	incr = 0;
[18]	314	while(1) {
[22]	315	if(f != NULL) {
[21]	316	char buffer[128];
	317	fread(buffer, size < 128 ? size : 128, 1, f);
	318	tw_write(ssl, sock, buffer, size < 128 ? size : 128);
[22]	319	} else {
[21]	320	tw_write(ssl, sock, (unsigned char*)doc + incr, size < 128 ? size : 128);
	321	}
[18]	322	incr += 128;
[19]	323	if(size <= 128) break;
[18]	324	size -= 128;
	325	}
	326	}
	327
[32]	328	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]	329
[18]	330	const char* tw_http_status(int code) {
[20]	331	if(code == 200) {
	332	return "200 OK";
[166]	333	} else if(code == 301) {
[167]	334	return "301 Moved Permanently";
[24]	335	} else if(code == 308) {
	336	return "308 Permanent Redirect";
[20]	337	} else if(code == 400) {
[18]	338	return "400 Bad Request";
[20]	339	} else if(code == 401) {
	340	return "401 Unauthorized";
	341	} else if(code == 403) {
	342	return "403 Forbidden";
	343	} else if(code == 404) {
	344	return "404 Not Found";
[161]	345	} else if(code == 500) {
	346	return "500 Internal Server Error";
[18]	347	} else {
	348	return "400 Bad Request";
	349	}
	350	}
	351
[123]	352	char* tw_http_default_error(int code, char* name, int port, struct tw_config_entry* vhost) {
[18]	353	char address[1024];
[212]	354	char* st;
	355	char* st2;
	356	char* buffer;
	357	char* str;
	358	int i;
[20]	359
[123]	360	if((vhost->hideport == -1 ? config.root.hideport : vhost->hideport) == 1) {
	361	sprintf(address, "<address>%s Server at %s</address>", tw_server, name, port);
	362	} else {
	363	sprintf(address, "<address>%s Server at %s Port %d</address>", tw_server, name, port);
	364	}
	365
[212]	366	st = cm_strdup(tw_http_status(code));
[20]	367	for(i = 0; st[i] != 0; i++) {
	368	if(st[i] == ' ') {
	369	st2 = cm_strdup(st + i + 1);
	370	break;
	371	}
[18]	372	}
[212]	373	buffer = malloc(4096);
	374	str = cm_strcat3(ERROR_HTML);
[20]	375	sprintf(buffer, str, st, st2);
	376	free(str);
	377	free(st);
	378	return buffer;
[18]	379	}
	380
[123]	381	void tw_http_error(SSL* ssl, int sock, int error, char* name, int port, struct tw_config_entry* vhost) {
	382	char* str = tw_http_default_error(error, name, port, vhost);
[32]	383	tw_process_page(ssl, sock, tw_http_status(error), "text/html", NULL, str, strlen(str), 0, 0);
[18]	384	free(str);
	385	}
	386
[20]	387	void addstring(char** str, const char* add, ...) {
	388	int i;
	389	char cbuf[2];
[212]	390	va_list va;
[20]	391	cbuf[1] = 0;
	392	va_start(va, add);
	393	for(i = 0; add[i] != 0; i++) {
	394	cbuf[0] = add[i];
	395	if(add[i] == '%') {
	396	i++;
	397	if(add[i] == 's') {
	398	char* tmp = *str;
	399	str = cm_strcat(tmp, va_arg(va, const char));
	400	free(tmp);
	401	} else if(add[i] == 'h') {
	402	char* h = cm_html_escape(va_arg(va, const char*));
	403	char* tmp = *str;
	404	*str = cm_strcat(tmp, h);
	405	free(tmp);
	406	free(h);
[21]	407	} else if(add[i] == 'l') {
	408	char* h = cm_url_escape(va_arg(va, const char*));
	409	char* tmp = *str;
	410	*str = cm_strcat(tmp, h);
	411	free(tmp);
	412	free(h);
[20]	413	} else if(add[i] == 'd') {
	414	int n = va_arg(va, int);
	415	char* h = malloc(512);
[212]	416	char* tmp = *str;
[20]	417	sprintf(h, "%d", n);
	418	*str = cm_strcat(tmp, h);
	419	free(tmp);
	420	free(h);
	421	} else if(add[i] == '%') {
	422	char* tmp = *str;
	423	*str = cm_strcat(tmp, "%");
	424	free(tmp);
	425	}
	426	} else {
	427	char* tmp = *str;
	428	*str = cm_strcat(tmp, cbuf);
	429	free(tmp);
	430	}
	431	}
[74]	432	va_end(va);
[20]	433	}
	434
[22]	435	char* tw_get_mime(const char* ext, struct tw_config_entry* vhost_entry) {
	436	char* mime = "application/octet-stream";
	437	bool set = false;
	438	int i;
[212]	439	if(ext == NULL) return mime;
[22]	440	for(i = 0; i < vhost_entry->mime_count; i++) {
[23]	441	if(strcmp(vhost_entry->mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(vhost_entry->mimes[i].ext, ext))) {
[22]	442	mime = vhost_entry->mimes[i].mime;
	443	set = true;
	444	}
	445	}
	446	if(!set) {
	447	for(i = 0; i < config.root.mime_count; i++) {
[23]	448	if(strcmp(config.root.mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(config.root.mimes[i].ext, ext))) {
[22]	449	mime = config.root.mimes[i].mime;
	450	}
	451	}
	452	}
	453	return mime;
	454	}
	455
	456	char* tw_get_icon(const char* mime, struct tw_config_entry* vhost_entry) {
	457	char* icon = "";
	458	bool set = false;
	459	int i;
[212]	460	if(mime == NULL) return "";
[22]	461	for(i = 0; i < vhost_entry->icon_count; i++) {
[23]	462	if(strcmp(vhost_entry->icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(vhost_entry->icons[i].mime, mime))) {
[22]	463	icon = vhost_entry->icons[i].icon;
	464	set = true;
	465	}
	466	}
	467	if(!set) {
	468	for(i = 0; i < config.root.icon_count; i++) {
[23]	469	if(strcmp(config.root.icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(config.root.icons[i].mime, mime))) {
[22]	470	icon = config.root.icons[i].icon;
	471	}
	472	}
	473	}
	474	return icon;
	475	}
	476
[11]	477	struct pass_entry {
	478	int sock;
[12]	479	int port;
[11]	480	bool ssl;
[21]	481	SOCKADDR addr;
[11]	482	};
	483
[219]	484	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[216]	485	#define NO_RETURN_THREAD
[215]	486	void tw_server_pass(void* ptr) {
[97]	487	#elif defined(__HAIKU__)
	488	int32_t tw_server_pass(void* ptr) {
[187]	489	#elif defined(_PSP) \|\| defined(__PPU__)
[183]	490	int tw_server_pass(void* ptr) {
[105]	491	#endif
[219]	492	#if defined(__HAIKU__) \|\| defined(__MINGW32__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	493	#define FREE_PTR
[11]	494	int sock = ((struct pass_entry*)ptr)->sock;
	495	bool ssl = ((struct pass_entry*)ptr)->ssl;
[14]	496	int port = ((struct pass_entry*)ptr)->port;
[21]	497	SOCKADDR addr = ((struct pass_entry*)ptr)->addr;
[11]	498	#else
[216]	499	#define NO_RETURN_THREAD
[105]	500	void tw_server_pass(int sock, bool ssl, int port, SOCKADDR addr) {
[11]	501	#endif
[212]	502	SSL* s = NULL;
[43]	503	#ifndef NO_SSL
[12]	504	SSL_CTX* ctx = NULL;
[15]	505	bool sslworks = false;
[12]	506	if(ssl) {
	507	ctx = tw_create_ssl_ctx(port);
	508	s = SSL_new(ctx);
	509	SSL_set_fd(s, sock);
	510	if(SSL_accept(s) <= 0) goto cleanup;
[15]	511	sslworks = true;
[12]	512	}
[43]	513	#endif
[212]	514	char* name = config.hostname;
[116]	515	char address[513];
[212]	516	int ret;
	517	struct tw_http_request req;
	518	struct tw_http_response res;
	519	struct tw_tool tools;
[255]	520	char* addrstr;
	521	#ifndef NO_GETNAMEINFO
[116]	522	struct sockaddr* sa = (struct sockaddr*)&addr;
	523	getnameinfo(sa, sizeof(addr), address, 512, NULL, 0, NI_NUMERICHOST);
[257]	524	#else
	525	addrstr = inet_ntoa(addr.sin_addr);
	526	strcpy(address, addrstr);
	527	address[strlen(addrstr)] = 0;
[163]	528	#endif
[212]	529	#ifdef FREE_PTR
	530	free(ptr);
	531	#endif
[116]	532
[20]	533	res._processed = false;
	534	tw_init_tools(&tools);
[212]	535	ret = tw_http_parse(s, sock, &req);
[17]	536	if(ret == 0) {
[116]	537	char date[513];
	538	time_t t = time(NULL);
	539	struct tm* tm = localtime(&t);
[212]	540	char* useragent = cm_strdup("");
	541	int i;
	542	char* tmp;
	543	char* tmp2;
	544	char* tmp3;
	545	char* tmp4;
	546	char* tmp5;
	547	char* log;
	548	char* vhost;
	549	time_t cmtime;
	550	bool rej;
	551	char* host;
	552	int port;
[293]	553	char* chrootpath;
[212]	554	struct tw_config_entry* vhost_entry;
[116]	555	strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
	556
[117]	557	for(i = 0; req.headers[i] != NULL; i += 2) {
	558	if(cm_strcaseequ(req.headers[i], "User-Agent")) {
[116]	559	free(useragent);
	560	useragent = cm_strdup(req.headers[i + 1]);
	561	}
	562	}
	563
[212]	564	tmp = cm_strcat3(address, " - [", date);
	565	tmp2 = cm_strcat3(tmp, "] \"", req.method);
	566	tmp3 = cm_strcat3(tmp2, " ", req.path);
	567	tmp4 = cm_strcat3(tmp3, " ", req.version);
	568	tmp5 = cm_strcat3(tmp4, "\" \"", useragent);
	569	log = cm_strcat(tmp5, "\"");
[116]	570	free(tmp);
	571	free(tmp2);
	572	free(tmp3);
	573	free(tmp4);
	574	free(tmp5);
	575	free(useragent);
	576	cm_force_log(log);
	577	free(log);
	578
[212]	579	vhost = cm_strdup(config.hostname);
	580	cmtime = 0;
[70]	581	if(req.headers != NULL) {
[64]	582	for(i = 0; req.headers[i] != NULL; i += 2) {
	583	if(cm_strcaseequ(req.headers[i], "Host")) {
	584	free(vhost);
	585	vhost = cm_strdup(req.headers[i + 1]);
	586	} else if(cm_strcaseequ(req.headers[i], "If-Modified-Since")) {
	587	struct tm tm;
[212]	588	time_t t;
	589	struct tm* btm;
[64]	590	strptime(req.headers[i + 1], "%a, %d %b %Y %H:%M:%S GMT", &tm);
[304]	591	#if defined(__MINGW32__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(__ps2sdk__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__) \|\| defined(__USLC__)
[212]	592	t = 0;
	593	btm = localtime(&t);
[64]	594	cmtime = mktime(&tm);
	595	cmtime -= (btm->tm_hour * 60 + btm->tm_min) * 60;
[32]	596	#else
[140]	597	cmtime = timegm(&tm);
[32]	598	#endif
[64]	599	}
[21]	600	}
	601	}
[212]	602	rej = false;
[21]	603	cm_log("Server", "Host is %s", vhost);
[212]	604	port = s == NULL ? 80 : 443;
	605	host = cm_strdup(vhost);
[22]	606	for(i = 0; vhost[i] != 0; i++) {
	607	if(vhost[i] == ':') {
[21]	608	host[i] = 0;
	609	port = atoi(host + i + 1);
	610	break;
	611	}
	612	}
[136]	613	name = host;
[21]	614	cm_log("Server", "Hostname is `%s', port is `%d'", host, port);
[212]	615	vhost_entry = tw_vhost_match(host, port);
[161]	616	#ifdef HAS_CHROOT
[293]	617	chrootpath = vhost_entry->chroot_path != NULL ? vhost_entry->chroot_path : config.root.chroot_path;
[161]	618	if(chrootpath != NULL) {
	619	if(chdir(chrootpath) == 0) {
	620	if(chroot(".") == 0) {
	621	cm_log("Server", "Chroot successful");
	622	}
	623	} else {
	624	cm_log("Server", "chdir() failed, cannot chroot");
	625	tw_http_error(s, sock, 500, name, port, vhost_entry);
	626	rej = true;
	627	}
	628	}
	629	#endif
[20]	630	for(i = 0; i < config.module_count; i++) {
[314]	631	#ifdef __OS2__
	632	tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "MOD_REQUEST");
	633	#else
[20]	634	tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "mod_request");
[314]	635	#endif
[20]	636	if(mod_req != NULL) {
	637	int ret = mod_req(&tools, &req, &res);
	638	int co = ret & 0xff;
[141]	639	if(co == _TW_MODULE_PASS) {
	640	continue;
	641	} else if(co == _TW_MODULE_STOP) {
	642	/* Handle response here ... */
[20]	643	res._processed = true;
	644	break;
[141]	645	} else if(co == _TW_MODULE_STOP2) {
	646	res._processed = true;
	647	break;
	648	} else if(co == _TW_MODULE_ERROR) {
[123]	649	tw_http_error(s, sock, (ret & 0xffff00) >> 8, name, port, vhost_entry);
[20]	650	break;
	651	}
	652	}
	653	}
	654	if(!res._processed) {
[212]	655	char* path;
	656	char* rpath;
	657	struct stat st;
[215]	658	char* slash;
[21]	659	cm_log("Server", "Document root is %s", vhost_entry->root == NULL ? "not set" : vhost_entry->root);
[212]	660	path = cm_strcat(vhost_entry->root == NULL ? "" : vhost_entry->root, req.path);
[21]	661	cm_log("Server", "Filesystem path is %s", path);
[219]	662	#if defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[216]	663	for(i = strlen(path) - 1; i >= 0; i--) {
	664	if(path[i] == '/') {
[215]	665	path[i] = 0;
[216]	666	} else {
[215]	667	break;
	668	}
	669	}
	670	#endif
[219]	671	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	672	rpath = cm_strdup(path);
[72]	673	for(i = strlen(rpath) - 1; i >= 0; i--) {
[73]	674	if(rpath[i] == '/') {
	675	int j;
	676	for(j = i + 1; rpath[j] != 0; j++) {
	677	if(rpath[j] == ':' \|\| rpath[j] == '.') {
	678	rpath[j] = 0;
	679	break;
	680	}
	681	}
[71]	682	break;
	683	}
	684	}
[70]	685	for(i = 0; i < sizeof(reserved_names) / sizeof(reserved_names[0]); i++) {
	686	char* n = cm_strcat("/", reserved_names[i]);
[71]	687	if(cm_nocase_endswith(rpath, n)) {
[124]	688	tw_http_error(s, sock, 403, name, port, vhost_entry);
[70]	689	free(n);
	690	rej = true;
	691	cm_log("Server", "XP Patch ; rejecting access to device");
	692	break;
	693	}
	694	free(n);
	695	}
[71]	696	free(rpath);
[70]	697	#endif
	698	if(!rej && stat(path, &st) == 0) {
[22]	699	if(!tw_permission_allowed(path, addr, req, vhost_entry)) {
[123]	700	tw_http_error(s, sock, 403, name, port, vhost_entry);
[22]	701	} else if(S_ISDIR(st.st_mode)) {
[24]	702	if(req.path[strlen(req.path) - 1] != '/') {
[215]	703	char* headers[3] = {"Location", NULL, NULL};
	704	headers[1] = cm_strcat(req.path, "/");
[61]	705	cm_log("Server", "Accessing directory without the slash at the end");
[166]	706	_tw_process_page(s, sock, tw_http_status(301), NULL, NULL, NULL, 0, headers, 0, 0);
[24]	707	free(headers[1]);
	708	} else {
	709	char** indexes = vhost_entry->index_count == 0 ? config.root.indexes : vhost_entry->indexes;
	710	int index_count = vhost_entry->index_count == 0 ? config.root.index_count : vhost_entry->index_count;
	711	bool found = false;
	712	for(i = 0; i < index_count; i++) {
	713	char* p = cm_strcat3(path, "/", indexes[i]);
	714	FILE* f = fopen(p, "rb");
	715	if(f != NULL) {
	716	char* ext = NULL;
	717	int j;
[212]	718	struct stat st;
	719	char* mime;
[24]	720	for(j = strlen(p) - 1; j >= 0; j--) {
	721	if(p[j] == '.') {
	722	ext = cm_strdup(p + j);
	723	break;
	724	} else if(p[j] == '/') {
	725	break;
	726	}
[22]	727	}
[24]	728	stat(p, &st);
[212]	729	mime = tw_get_mime(ext, vhost_entry);
[32]	730	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, 0, 0);
[24]	731	fclose(f);
[74]	732	if(ext != NULL) free(ext);
[24]	733	free(p);
	734	found = true;
	735	break;
[22]	736	}
[24]	737	free(p);
	738	}
	739	if(!found) {
	740	char* str = malloc(1);
[212]	741	char** items;
	742	int readme;
	743	char** readmes;
	744	int readme_count;
	745	int hp;
[24]	746	str[0] = 0;
[212]	747	items = cm_scandir(path);
[122]	748	addstring(&str, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n");
[24]	749	addstring(&str, "<html>\n");
	750	addstring(&str, " <head>\n");
	751	addstring(&str, " <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n");
[122]	752	addstring(&str, " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n");
[24]	753	addstring(&str, " <title>Index of %h</title>\n", req.path);
	754	addstring(&str, " </head>\n");
	755	addstring(&str, " <body>\n");
	756	addstring(&str, " <h1>Index of %h</h1>\n", req.path);
	757	addstring(&str, " <hr>\n");
	758	addstring(&str, " <table border=\"0\">\n");
	759	addstring(&str, " <tr>\n");
	760	addstring(&str, " <th></th>\n");
	761	addstring(&str, " <th>Filename</th>\n");
[28]	762	addstring(&str, " <th>MIME</th>\n");
	763	addstring(&str, " <th>Size</th>\n");
[24]	764	addstring(&str, " </tr>\n");
[212]	765	readme = -1;
	766	readmes = vhost_entry->readme_count == 0 ? config.root.readmes : vhost_entry->readmes;
	767	readme_count = vhost_entry->readme_count == 0 ? config.root.readme_count : vhost_entry->readme_count;
[24]	768	if(items != NULL) {
[29]	769	int phase = 0;
	770	doit:
[24]	771	for(i = 0; items[i] != NULL; i++) {
[33]	772	int j;
[212]	773	char* ext;
	774	char* itm;
	775	char* icon;
[28]	776	char* fpth = cm_strcat3(path, "/", items[i]);
	777	struct stat s;
	778	char size[512];
[212]	779	char* showmime;
	780	char* mime;
[28]	781	size[0] = 0;
	782	stat(fpth, &s);
[29]	783	if(phase == 0 && !S_ISDIR(s.st_mode)) {
	784	free(fpth);
	785	continue;
	786	} else if(phase == 1 && S_ISDIR(s.st_mode)) {
	787	free(fpth);
	788	continue;
	789	}
[33]	790	if(readme == -1) {
	791	for(j = 0; j < readme_count; j++) {
	792	if(strcmp(items[i], readmes[j]) == 0) {
	793	readme = j;
	794	break;
	795	}
	796	}
	797	if(readme != -1) {
	798	free(fpth);
	799	continue;
	800	}
	801	}
[212]	802	if(s.st_size < NUM1024) {
[31]	803	sprintf(size, "%d", (int)s.st_size);
[212]	804	} else if(s.st_size < NUM1024 * 1024) {
[29]	805	sprintf(size, "%.1fK", (double)s.st_size / 1024);
[212]	806	} else if(s.st_size < NUM1024 * 1024 * 1024) {
[29]	807	sprintf(size, "%.1fM", (double)s.st_size / 1024 / 1024);
[212]	808	} else if(s.st_size < NUM1024 * 1024 * 1024 * 1024) {
[29]	809	sprintf(size, "%.1fG", (double)s.st_size / 1024 / 1024 / 1024);
[212]	810	} else if(s.st_size < NUM1024 * 1024 * 1024 * 1024 * 1024) {
[29]	811	sprintf(size, "%.1fT", (double)s.st_size / 1024 / 1024 / 1024 / 1024);
[28]	812	}
	813
	814	free(fpth);
	815
[212]	816	ext = NULL;
[24]	817	for(j = strlen(items[i]) - 1; j >= 0; j--) {
	818	if(items[i][j] == '.') {
	819	ext = cm_strdup(items[i] + j);
	820	break;
	821	} else if(items[i][j] == '/') {
	822	break;
	823	}
	824	}
[212]	825	showmime = "";
	826	mime = tw_get_mime(ext, vhost_entry);
[24]	827	if(strcmp(items[i], "../") == 0) {
	828	mime = "misc/parent";
[29]	829	size[0] = 0;
[24]	830	} else if(items[i][strlen(items[i]) - 1] == '/') {
	831	mime = "misc/dir";
[29]	832	size[0] = 0;
	833	} else {
[28]	834	showmime = mime;
[24]	835	}
[212]	836	icon = tw_get_icon(mime, vhost_entry);
[24]	837	if(ext != NULL) free(ext);
[212]	838	itm = cm_strdup(items[i]);
[24]	839	if(strlen(itm) >= 32) {
	840	if(itm[strlen(itm) - 1] == '/') {
	841	itm[31] = 0;
	842	itm[30] = '/';
	843	itm[29] = '.';
	844	itm[28] = '.';
	845	itm[27] = '.';
	846	} else {
	847	itm[31] = 0;
	848	itm[30] = '.';
	849	itm[29] = '.';
	850	itm[28] = '.';
	851	}
	852	}
	853	addstring(&str, "<tr>\n");
	854	addstring(&str, " <td><img src=\"%s\" alt=\"icon\"></td>\n", icon);
	855	addstring(&str, " <td><a href=\"%l\"><code>%h</code></a></td>\n", items[i], itm);
[60]	856	addstring(&str, " <td><code> %h </code></td>\n", showmime);
	857	addstring(&str, " <td><code> %s </code></td>\n", size);
[24]	858	addstring(&str, "</tr>\n");
	859	free(itm);
[22]	860	}
[29]	861	phase++;
	862	if(phase != 2) goto doit;
	863	for(i = 0; items[i] != NULL; i++) free(items[i]);
	864	free(items);
[22]	865	}
[24]	866	addstring(&str, " </table>\n");
[33]	867	if(readme != -1) {
[212]	868	struct stat s;
	869	FILE* fr;
	870	char* fpth;
[33]	871	addstring(&str, "<hr>\n");
[212]	872	fpth = cm_strcat3(path, "/", readmes[readme]);
[33]	873	stat(fpth, &s);
[212]	874	fr = fopen(fpth, "r");
[33]	875	if(fr != NULL) {
	876	char* rmbuf = malloc(s.st_size + 1);
	877	rmbuf[s.st_size] = 0;
	878	fread(rmbuf, s.st_size, 1, fr);
	879	addstring(&str, "<pre><code>%h</code></pre>\n", rmbuf);
	880	fclose(fr);
[70]	881	free(rmbuf);
[33]	882	}
[66]	883	free(fpth);
[33]	884	}
[24]	885	addstring(&str, " <hr>\n");
[212]	886	hp = vhost_entry->hideport == -1 ? config.root.hideport : vhost_entry->hideport;
[123]	887	if(hp == 0) {
	888	addstring(&str, " <address>%s Server at %s Port %d</address>\n", tw_server, name, port);
	889	} else {
	890	addstring(&str, " <address>%s Server at %s</address>\n", tw_server, name, port);
	891	}
[24]	892	addstring(&str, " </body>\n");
	893	addstring(&str, "</html>\n");
[32]	894	tw_process_page(s, sock, tw_http_status(200), "text/html", NULL, str, strlen(str), 0, 0);
[24]	895	free(str);
[21]	896	}
	897	}
[22]	898	} else {
[21]	899	char* ext = NULL;
[212]	900	char* mime;
	901	FILE* f;
[22]	902	for(i = strlen(req.path) - 1; i >= 0; i--) {
	903	if(req.path[i] == '.') {
[21]	904	ext = cm_strdup(req.path + i);
	905	break;
[24]	906	} else if(req.path[i] == '/') {
	907	break;
[21]	908	}
	909	}
[212]	910	mime = tw_get_mime(ext, vhost_entry);
[21]	911	if(ext != NULL) free(ext);
[212]	912	f = fopen(path, "rb");
[173]	913	if(f == NULL) {
	914	tw_http_error(s, sock, 403, name, port, vhost_entry);
	915	} else {
	916	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, st.st_mtime, cmtime);
	917	fclose(f);
	918	}
[21]	919	}
[22]	920	} else {
[161]	921	if(!rej) {
	922	tw_http_error(s, sock, 404, name, port, vhost_entry);
	923	}
[21]	924	}
	925	free(path);
[20]	926	}
[21]	927	free(vhost);
	928	free(host);
[22]	929	} else if(ret == -1) {
[18]	930	} else {
[123]	931	tw_http_error(s, sock, 400, name, port, &config.root);
[17]	932	}
[70]	933	tw_free_request(&req);
[12]	934	cleanup:
[43]	935	#ifndef NO_SSL
[16]	936	if(sslworks) {
[15]	937	SSL_shutdown(s);
	938	}
	939	SSL_free(s);
[46]	940	#endif
[11]	941	close_socket(sock);
[219]	942	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[216]	943	_endthread();
[100]	944	#elif defined(__HAIKU__)
[105]	945	exit_thread(0);
[11]	946	#endif
[216]	947	#ifndef NO_RETURN_THREAD
[214]	948	return 0;
[215]	949	#endif
[11]	950	}
	951
[62]	952	#ifdef SERVICE
	953	extern SERVICE_STATUS status;
	954	extern SERVICE_STATUS_HANDLE status_handle;
	955	#endif
	956
[219]	957	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[65]	958	struct thread_entry {
[101]	959	#ifdef __HAIKU__
	960	thread_id thread;
	961	#else
[65]	962	HANDLE handle;
[101]	963	#endif
[65]	964	bool used;
	965	};
	966	#endif
	967
[183]	968	extern int running;
	969
[11]	970	void tw_server_loop(void) {
[68]	971	int i;
[212]	972	#ifndef USE_POLL
[213]	973	fd_set fdset;
	974	struct timeval tv;
[212]	975	#endif
[219]	976	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[65]	977	struct thread_entry threads[2048];
[70]	978	for(i = 0; i < sizeof(threads) / sizeof(threads[0]); i++) {
[65]	979	threads[i].used = false;
	980	}
	981	#endif
[118]	982	#ifdef USE_POLL
[302]	983	struct pollfd* pollfds = malloc(sizeof(pollfds) sockcount);
[118]	984	for(i = 0; i < sockcount; i++) {
	985	pollfds[i].fd = sockets[i];
	986	pollfds[i].events = POLLIN \| POLLPRI;
	987	}
	988	#endif
[183]	989	while(running) {
[212]	990	int ret;
[118]	991	#ifdef USE_POLL
[212]	992	ret = poll(pollfds, sockcount, 1000);
[118]	993	#else
	994	FD_ZERO(&fdset);
	995	for(i = 0; i < sockcount; i++) {
	996	FD_SET(sockets[i], &fdset);
	997	}
	998	tv.tv_sec = 1;
	999	tv.tv_usec = 0;
[86]	1000	#ifdef __HAIKU__
[212]	1001	ret = select(32, &fdset, NULL, NULL, &tv);
[86]	1002	#else
[212]	1003	ret = select(FD_SETSIZE, &fdset, NULL, NULL, &tv);
[86]	1004	#endif
[118]	1005	#endif
[11]	1006	if(ret == -1) {
[219]	1007	#if !defined(__MINGW32__) && !defined(_MSC_VER) && !defined(__BORLANDC__) && !defined(__WATCOMC__)
[296]	1008	if(errno == EINTR) continue;
[84]	1009	cm_log("Server", "Select failure: %s", strerror(errno));
	1010	#endif
[9]	1011	break;
[70]	1012	} else if(ret == 0) {
[62]	1013	#ifdef SERVICE
[70]	1014	if(status.dwCurrentState == SERVICE_STOP_PENDING) {
[62]	1015	break;
	1016	}
	1017	#endif
[11]	1018	} else if(ret > 0) {
[9]	1019	/* connection */
	1020	int i;
[11]	1021	for(i = 0; i < sockcount; i++) {
[118]	1022	bool cond;
	1023	#ifdef USE_POLL
	1024	cond = pollfds[i].revents & POLLIN;
	1025	#else
	1026	cond = FD_ISSET(sockets[i], &fdset);
	1027	#endif
	1028	if(cond) {
[9]	1029	SOCKADDR claddr;
[182]	1030	socklen_t clen = sizeof(claddr);
[9]	1031	int sock = accept(sockets[i], (struct sockaddr*)&claddr, &clen);
[219]	1032	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	1033	int j;
	1034	struct pass_entry* e = malloc(sizeof(*e));
[12]	1035	cm_log("Server", "New connection accepted");
[11]	1036	e->sock = sock;
[215]	1037	#if defined(_MSC_VER) \|\| defined(__BORLANDC__)
[212]	1038	e->ssl = config.ports[i] & (1UL << 31);
	1039	#else
	1040	e->ssl = config.ports[i] & (1ULL << 31);
	1041	#endif
[12]	1042	e->port = config.ports[i];
[21]	1043	e->addr = claddr;
[97]	1044	#endif
[219]	1045	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[312]	1046	#ifdef __OS2__
	1047	_beginthread(tw_server_pass, 0, 0, e);
	1048	#else
[212]	1049	_beginthread(tw_server_pass, 0, e);
[312]	1050	#endif
[187]	1051	#elif defined(_PSP) \|\| defined(__PPU__)
[183]	1052	tw_server_pass(e);
[97]	1053	#elif defined(__HAIKU__)
[183]	1054	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	1055	if(threads[j].used) {
	1056	thread_info info;
	1057	bool kill = false;
	1058	if(get_thread_info(threads[j].thread, &info) == B_OK) {
	1059	} else {
	1060	kill = true;
[101]	1061	}
[183]	1062	if(kill) {
	1063	threads[j].used = false;
[101]	1064	}
	1065	}
[183]	1066	}
	1067	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	1068	if(!threads[j].used) {
	1069	threads[j].thread = spawn_thread(tw_server_pass, "Tewi HTTPd", 60, e);
	1070	threads[j].used = true;
	1071	resume_thread(threads[j].thread);
	1072	break;
	1073	}
	1074	}
[11]	1075	#else
	1076	pid_t pid = fork();
	1077	if(pid == 0) {
[89]	1078	int j;
	1079	for(j = 0; j < sockcount; j++) close_socket(sockets[j]);
[212]	1080	tw_server_pass(sock, config.ports[i] & (1ULL << 31), config.ports[i], claddr);
[11]	1081	_exit(0);
	1082	} else {
	1083	close_socket(sock);
	1084	}
	1085	#endif
[9]	1086	}
	1087	}
	1088	}
	1089	}
[255]	1090	for(i = 0; i < sockcount; i++) {
[253]	1091	close_socket(sockets[i]);
	1092	}
	1093	cm_force_log("Server is down");
[9]	1094	}

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source: Main/trunk/Server/server.c@ 314

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