server.c@ 215

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Last change on this file since 215 was 215, checked in by Nishi, on Oct 3, 2024 at 4:24:43 AM
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Rev	Line
[8]	1	/* $Id: server.c 215 2024-10-02 19:24:43Z 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
[8]	21	#include <string.h>
[11]	22	#include <stdbool.h>
[20]	23	#include <stdarg.h>
[43]	24	#include <stdio.h>
	25	#include <stdlib.h>
[84]	26	#include <errno.h>
[212]	27	#include <sys/types.h>
[21]	28	#include <sys/stat.h>
[32]	29	#include <time.h>
[8]	30
[18]	31	#include <cm_string.h>
[8]	32	#include <cm_log.h>
[21]	33	#include <cm_dir.h>
[8]	34
[215]	35	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__)
[163]	36	#ifndef NO_GETADDRINFO
[116]	37	#include <ws2tcpip.h>
	38	#include <wspiapi.h>
[163]	39	#endif
[8]	40	#include <winsock2.h>
[11]	41	#include <process.h>
[62]	42	#include <windows.h>
[32]	43
	44	#include "strptime.h"
[8]	45	#else
[118]	46	#ifdef USE_POLL
[187]	47	#ifdef __PPU__
	48	#include <net/poll.h>
	49	#else
[118]	50	#include <poll.h>
[187]	51	#endif
[118]	52	#else
[8]	53	#include <sys/select.h>
[118]	54	#endif
[8]	55	#include <sys/socket.h>
	56	#include <arpa/inet.h>
	57	#include <netinet/in.h>
[187]	58	#ifndef __PPU__
[8]	59	#include <netinet/tcp.h>
[187]	60	#endif
[163]	61	#ifndef NO_GETADDRINFO
[116]	62	#include <netdb.h>
[8]	63	#endif
[163]	64	#endif
[8]	65
[189]	66	#if defined(_PSP) \|\| defined(__ps2sdk__)
[182]	67	#include "strptime.h"
	68	#endif
	69
[97]	70	#ifdef __HAIKU__
	71	#include <OS.h>
	72	#endif
	73
[212]	74	#ifndef S_ISDIR
	75	#define S_ISDIR(x) ((x) & _S_IFDIR)
	76	#endif
	77
[8]	78	extern struct tw_config config;
[18]	79	extern char tw_server[];
[8]	80
	81	int sockcount = 0;
	82
[9]	83	SOCKADDR addresses[MAX_PORTS];
	84	int sockets[MAX_PORTS];
[8]	85
[215]	86	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__)
[70]	87	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"};
	88	#endif
	89
[23]	90	/* https://qiita.com/gyu-don/items/5a640c6d2252a860c8cd */
	91	int tw_wildcard_match(const char* wildcard, const char* target) {
	92	const char pw = wildcard, pt = target;
	93
	94	while(1) {
	95	if(*pt == 0) {
	96	while(pw == '') pw++;
	97	return *pw == 0;
	98	} else if(*pw == 0) {
	99	return 0;
	100	} else if(pw == '') {
	101	return *(pw + 1) == 0 \|\| tw_wildcard_match(pw, pt + 1) \|\| tw_wildcard_match(pw + 1, pt);
	102	} else if(pw == '?' \|\| (pw == *pt)) {
	103	pw++;
	104	pt++;
	105	continue;
	106	} else {
	107	return 0;
	108	}
	109	}
	110	}
	111
[8]	112	void close_socket(int sock) {
[215]	113	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__)
[8]	114	closesocket(sock);
	115	#else
	116	close(sock);
	117	#endif
	118	}
	119
	120	int tw_server_init(void) {
	121	int i;
[215]	122	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__)
[8]	123	WSADATA wsa;
	124	WSAStartup(MAKEWORD(2, 0), &wsa);
	125	#endif
	126	for(i = 0; config.ports[i] != -1; i++)
	127	;
	128	sockcount = i;
	129	for(i = 0; config.ports[i] != -1; i++) {
[212]	130	int yes = 1;
	131	int no = 0;
[8]	132	#ifdef NO_IPV6
	133	int sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
	134	#else
	135	int sock = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
	136	#endif
[215]	137	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__)
[8]	138	if(sock == INVALID_SOCKET)
	139	#else
	140	if(sock < 0)
	141	#endif
	142	{
	143	cm_log("Server", "Socket creation failure");
	144	return 1;
	145	}
	146	if(setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(yes)) < 0) {
	147	close_socket(sock);
	148	cm_log("Server", "setsockopt failure (reuseaddr)");
	149	return 1;
	150	}
[187]	151	#ifndef __PPU__
[8]	152	if(setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(yes)) < 0) {
	153	close_socket(sock);
	154	cm_log("Server", "setsockopt failure (nodelay)");
	155	return 1;
	156	}
[187]	157	#endif
[8]	158	#ifndef NO_IPV6
	159	if(setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&no, sizeof(no)) < 0) {
	160	close_socket(sock);
	161	cm_log("Server", "setsockopt failure (IPv6)");
	162	return 1;
	163	}
	164	#endif
	165	memset(&addresses[i], 0, sizeof(addresses[i]));
	166	#ifdef NO_IPV6
	167	addresses[i].sin_family = AF_INET;
	168	addresses[i].sin_addr.s_addr = INADDR_ANY;
[214]	169	addresses[i].sin_port = htons(config.ports[i] & 0xffff);
[8]	170	#else
	171	addresses[i].sin6_family = AF_INET6;
	172	addresses[i].sin6_addr = in6addr_any;
[214]	173	addresses[i].sin6_port = htons(config.ports[i] & 0xffff);
[8]	174	#endif
	175	if(bind(sock, (struct sockaddr*)&addresses[i], sizeof(addresses[i])) < 0) {
	176	close_socket(sock);
	177	cm_log("Server", "Bind failure");
	178	return 1;
	179	}
	180	if(listen(sock, 128) < 0) {
	181	close_socket(sock);
	182	cm_log("Server", "Listen failure");
	183	return 1;
	184	}
	185	sockets[i] = sock;
	186	}
	187	return 0;
	188	}
[9]	189
[16]	190	size_t tw_read(SSL* ssl, int s, void* data, size_t len) {
[43]	191	#ifndef NO_SSL
[16]	192	if(ssl == NULL) {
	193	return recv(s, data, len, 0);
	194	} else {
	195	return SSL_read(ssl, data, len);
	196	}
[43]	197	#else
	198	return recv(s, data, len, 0);
	199	#endif
[16]	200	}
	201
	202	size_t tw_write(SSL* ssl, int s, void* data, size_t len) {
[43]	203	#ifndef NO_SSL
[16]	204	if(ssl == NULL) {
	205	return send(s, data, len, 0);
	206	} else {
	207	return SSL_write(ssl, data, len);
	208	}
[43]	209	#else
	210	return send(s, data, len, 0);
	211	#endif
[16]	212	}
	213
[20]	214	#define ERROR_HTML \
[18]	215	"<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n" \
	216	"<html>\n" \
	217	" <head>\n" \
[20]	218	" <title>%s</title>\n" \
[18]	219	" </head>\n" \
	220	" <body>\n" \
[20]	221	" <h1>%s</h1>\n" \
[18]	222	" <hr>\n" \
	223	" ", \
	224	address, \
	225	"\n" \
	226	" </body>\n" \
	227	"</html>\n"
	228
[32]	229	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]	230	char construct[512];
[212]	231	size_t incr;
[32]	232	if(mtime != 0 && cmtime != 0 && mtime <= cmtime) {
	233	status = "304 Not Modified";
	234	type = NULL;
	235	size = 0;
	236	headers = NULL;
	237	f = NULL;
	238	doc = NULL;
	239	}
[215]	240	#if defined(_MSC_VER) \|\| defined(__BORLANDC__)
[212]	241	sprintf(construct, "%lu", (unsigned long)size);
	242	#else
[18]	243	sprintf(construct, "%llu", (unsigned long long)size);
[212]	244	#endif
[18]	245	tw_write(ssl, sock, "HTTP/1.1 ", 9);
	246	tw_write(ssl, sock, (char*)status, strlen(status));
	247	tw_write(ssl, sock, "\r\n", 2);
[24]	248	if(type != NULL) {
	249	tw_write(ssl, sock, "Content-Type: ", 7 + 5 + 2);
	250	tw_write(ssl, sock, (char*)type, strlen(type));
	251	tw_write(ssl, sock, "\r\n", 2);
	252	}
[18]	253	tw_write(ssl, sock, "Server: ", 6 + 2);
	254	tw_write(ssl, sock, tw_server, strlen(tw_server));
	255	tw_write(ssl, sock, "\r\n", 2);
[24]	256	if(size != 0) {
	257	tw_write(ssl, sock, "Content-Length: ", 7 + 7 + 2);
	258	tw_write(ssl, sock, construct, strlen(construct));
	259	tw_write(ssl, sock, "\r\n", 2);
[32]	260	if(mtime != 0) {
	261	struct tm* tm = gmtime(&mtime);
	262	char date[513];
	263	strftime(date, 512, "%a, %d %b %Y %H:%M:%S GMT", tm);
	264	tw_write(ssl, sock, "Last-Modified: ", 5 + 8 + 2);
	265	tw_write(ssl, sock, date, strlen(date));
	266	tw_write(ssl, sock, "\r\n", 2);
	267	}
[24]	268	}
	269	if(headers != NULL) {
[212]	270	int i;
[24]	271	for(i = 0; headers[i] != NULL; i += 2) {
	272	tw_write(ssl, sock, headers[i], strlen(headers[i]));
	273	tw_write(ssl, sock, ": ", 2);
	274	tw_write(ssl, sock, headers[i + 1], strlen(headers[i + 1]));
	275	tw_write(ssl, sock, "\r\n", 2);
	276	}
	277	}
[18]	278	tw_write(ssl, sock, "\r\n", 2);
[24]	279	if(doc == NULL && f == NULL) return;
[212]	280	incr = 0;
[18]	281	while(1) {
[22]	282	if(f != NULL) {
[21]	283	char buffer[128];
	284	fread(buffer, size < 128 ? size : 128, 1, f);
	285	tw_write(ssl, sock, buffer, size < 128 ? size : 128);
[22]	286	} else {
[21]	287	tw_write(ssl, sock, (unsigned char*)doc + incr, size < 128 ? size : 128);
	288	}
[18]	289	incr += 128;
[19]	290	if(size <= 128) break;
[18]	291	size -= 128;
	292	}
	293	}
	294
[32]	295	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]	296
[18]	297	const char* tw_http_status(int code) {
[20]	298	if(code == 200) {
	299	return "200 OK";
[166]	300	} else if(code == 301) {
[167]	301	return "301 Moved Permanently";
[24]	302	} else if(code == 308) {
	303	return "308 Permanent Redirect";
[20]	304	} else if(code == 400) {
[18]	305	return "400 Bad Request";
[20]	306	} else if(code == 401) {
	307	return "401 Unauthorized";
	308	} else if(code == 403) {
	309	return "403 Forbidden";
	310	} else if(code == 404) {
	311	return "404 Not Found";
[161]	312	} else if(code == 500) {
	313	return "500 Internal Server Error";
[18]	314	} else {
	315	return "400 Bad Request";
	316	}
	317	}
	318
[123]	319	char* tw_http_default_error(int code, char* name, int port, struct tw_config_entry* vhost) {
[18]	320	char address[1024];
[212]	321	char* st;
	322	char* st2;
	323	char* buffer;
	324	char* str;
	325	int i;
[20]	326
[123]	327	if((vhost->hideport == -1 ? config.root.hideport : vhost->hideport) == 1) {
	328	sprintf(address, "<address>%s Server at %s</address>", tw_server, name, port);
	329	} else {
	330	sprintf(address, "<address>%s Server at %s Port %d</address>", tw_server, name, port);
	331	}
	332
[212]	333	st = cm_strdup(tw_http_status(code));
[20]	334	for(i = 0; st[i] != 0; i++) {
	335	if(st[i] == ' ') {
	336	st2 = cm_strdup(st + i + 1);
	337	break;
	338	}
[18]	339	}
[212]	340	buffer = malloc(4096);
	341	str = cm_strcat3(ERROR_HTML);
[20]	342	sprintf(buffer, str, st, st2);
	343	free(str);
	344	free(st);
	345	return buffer;
[18]	346	}
	347
[123]	348	void tw_http_error(SSL* ssl, int sock, int error, char* name, int port, struct tw_config_entry* vhost) {
	349	char* str = tw_http_default_error(error, name, port, vhost);
[32]	350	tw_process_page(ssl, sock, tw_http_status(error), "text/html", NULL, str, strlen(str), 0, 0);
[18]	351	free(str);
	352	}
	353
[20]	354	void addstring(char** str, const char* add, ...) {
	355	int i;
	356	char cbuf[2];
[212]	357	va_list va;
[20]	358	cbuf[1] = 0;
	359	va_start(va, add);
	360	for(i = 0; add[i] != 0; i++) {
	361	cbuf[0] = add[i];
	362	if(add[i] == '%') {
	363	i++;
	364	if(add[i] == 's') {
	365	char* tmp = *str;
	366	str = cm_strcat(tmp, va_arg(va, const char));
	367	free(tmp);
	368	} else if(add[i] == 'h') {
	369	char* h = cm_html_escape(va_arg(va, const char*));
	370	char* tmp = *str;
	371	*str = cm_strcat(tmp, h);
	372	free(tmp);
	373	free(h);
[21]	374	} else if(add[i] == 'l') {
	375	char* h = cm_url_escape(va_arg(va, const char*));
	376	char* tmp = *str;
	377	*str = cm_strcat(tmp, h);
	378	free(tmp);
	379	free(h);
[20]	380	} else if(add[i] == 'd') {
	381	int n = va_arg(va, int);
	382	char* h = malloc(512);
[212]	383	char* tmp = *str;
[20]	384	sprintf(h, "%d", n);
	385	*str = cm_strcat(tmp, h);
	386	free(tmp);
	387	free(h);
	388	} else if(add[i] == '%') {
	389	char* tmp = *str;
	390	*str = cm_strcat(tmp, "%");
	391	free(tmp);
	392	}
	393	} else {
	394	char* tmp = *str;
	395	*str = cm_strcat(tmp, cbuf);
	396	free(tmp);
	397	}
	398	}
[74]	399	va_end(va);
[20]	400	}
	401
[22]	402	char* tw_get_mime(const char* ext, struct tw_config_entry* vhost_entry) {
	403	char* mime = "application/octet-stream";
	404	bool set = false;
	405	int i;
[212]	406	if(ext == NULL) return mime;
[22]	407	for(i = 0; i < vhost_entry->mime_count; i++) {
[23]	408	if(strcmp(vhost_entry->mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(vhost_entry->mimes[i].ext, ext))) {
[22]	409	mime = vhost_entry->mimes[i].mime;
	410	set = true;
	411	}
	412	}
	413	if(!set) {
	414	for(i = 0; i < config.root.mime_count; i++) {
[23]	415	if(strcmp(config.root.mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(config.root.mimes[i].ext, ext))) {
[22]	416	mime = config.root.mimes[i].mime;
	417	}
	418	}
	419	}
	420	return mime;
	421	}
	422
	423	char* tw_get_icon(const char* mime, struct tw_config_entry* vhost_entry) {
	424	char* icon = "";
	425	bool set = false;
	426	int i;
[212]	427	if(mime == NULL) return "";
[22]	428	for(i = 0; i < vhost_entry->icon_count; i++) {
[23]	429	if(strcmp(vhost_entry->icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(vhost_entry->icons[i].mime, mime))) {
[22]	430	icon = vhost_entry->icons[i].icon;
	431	set = true;
	432	}
	433	}
	434	if(!set) {
	435	for(i = 0; i < config.root.icon_count; i++) {
[23]	436	if(strcmp(config.root.icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(config.root.icons[i].mime, mime))) {
[22]	437	icon = config.root.icons[i].icon;
	438	}
	439	}
	440	}
	441	return icon;
	442	}
	443
[11]	444	struct pass_entry {
	445	int sock;
[12]	446	int port;
[11]	447	bool ssl;
[21]	448	SOCKADDR addr;
[11]	449	};
	450
[212]	451	#if defined(__MINGW32__) \|\| defined(_MSC_VER)
[11]	452	unsigned int WINAPI tw_server_pass(void* ptr) {
[215]	453	#elif defined(__BORLANDC__)
	454	void tw_server_pass(void* ptr) {
[97]	455	#elif defined(__HAIKU__)
	456	int32_t tw_server_pass(void* ptr) {
[187]	457	#elif defined(_PSP) \|\| defined(__PPU__)
[183]	458	int tw_server_pass(void* ptr) {
[105]	459	#endif
[215]	460	#if defined(__HAIKU__) \|\| defined(__MINGW32__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__)
[212]	461	#define FREE_PTR
[11]	462	int sock = ((struct pass_entry*)ptr)->sock;
	463	bool ssl = ((struct pass_entry*)ptr)->ssl;
[14]	464	int port = ((struct pass_entry*)ptr)->port;
[21]	465	SOCKADDR addr = ((struct pass_entry*)ptr)->addr;
[11]	466	#else
[105]	467	void tw_server_pass(int sock, bool ssl, int port, SOCKADDR addr) {
[11]	468	#endif
[212]	469	SSL* s = NULL;
[43]	470	#ifndef NO_SSL
[12]	471	SSL_CTX* ctx = NULL;
[15]	472	bool sslworks = false;
[12]	473	if(ssl) {
	474	ctx = tw_create_ssl_ctx(port);
	475	s = SSL_new(ctx);
	476	SSL_set_fd(s, sock);
	477	if(SSL_accept(s) <= 0) goto cleanup;
[15]	478	sslworks = true;
[12]	479	}
[43]	480	#endif
[212]	481	char* name = config.hostname;
[116]	482	char address[513];
[212]	483	int ret;
	484	struct tw_http_request req;
	485	struct tw_http_response res;
	486	struct tw_tool tools;
[163]	487	#ifndef NO_GETADDRINFO
[116]	488	struct sockaddr* sa = (struct sockaddr*)&addr;
	489	getnameinfo(sa, sizeof(addr), address, 512, NULL, 0, NI_NUMERICHOST);
[163]	490	#endif
[212]	491	address[0] = 0;
	492	#ifdef FREE_PTR
	493	free(ptr);
	494	#endif
[116]	495
[20]	496	res._processed = false;
	497	tw_init_tools(&tools);
[212]	498	ret = tw_http_parse(s, sock, &req);
[17]	499	if(ret == 0) {
[116]	500	char date[513];
	501	time_t t = time(NULL);
	502	struct tm* tm = localtime(&t);
[212]	503	char* useragent = cm_strdup("");
	504	int i;
	505	char* tmp;
	506	char* tmp2;
	507	char* tmp3;
	508	char* tmp4;
	509	char* tmp5;
	510	char* log;
	511	char* vhost;
	512	time_t cmtime;
	513	bool rej;
	514	char* host;
	515	int port;
	516	struct tw_config_entry* vhost_entry;
[116]	517	strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
	518
[117]	519	for(i = 0; req.headers[i] != NULL; i += 2) {
	520	if(cm_strcaseequ(req.headers[i], "User-Agent")) {
[116]	521	free(useragent);
	522	useragent = cm_strdup(req.headers[i + 1]);
	523	}
	524	}
	525
[212]	526	tmp = cm_strcat3(address, " - [", date);
	527	tmp2 = cm_strcat3(tmp, "] \"", req.method);
	528	tmp3 = cm_strcat3(tmp2, " ", req.path);
	529	tmp4 = cm_strcat3(tmp3, " ", req.version);
	530	tmp5 = cm_strcat3(tmp4, "\" \"", useragent);
	531	log = cm_strcat(tmp5, "\"");
[116]	532	free(tmp);
	533	free(tmp2);
	534	free(tmp3);
	535	free(tmp4);
	536	free(tmp5);
	537	free(useragent);
	538	cm_force_log(log);
	539	free(log);
	540
[212]	541	vhost = cm_strdup(config.hostname);
	542	cmtime = 0;
[70]	543	if(req.headers != NULL) {
[64]	544	for(i = 0; req.headers[i] != NULL; i += 2) {
	545	if(cm_strcaseequ(req.headers[i], "Host")) {
	546	free(vhost);
	547	vhost = cm_strdup(req.headers[i + 1]);
	548	} else if(cm_strcaseequ(req.headers[i], "If-Modified-Since")) {
	549	struct tm tm;
[212]	550	time_t t;
	551	struct tm* btm;
[64]	552	strptime(req.headers[i + 1], "%a, %d %b %Y %H:%M:%S GMT", &tm);
[215]	553	#if defined(__MINGW32__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(__ps2sdk__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__)
[212]	554	t = 0;
	555	btm = localtime(&t);
[64]	556	cmtime = mktime(&tm);
	557	cmtime -= (btm->tm_hour * 60 + btm->tm_min) * 60;
[32]	558	#else
[140]	559	cmtime = timegm(&tm);
[32]	560	#endif
[64]	561	}
[21]	562	}
	563	}
[212]	564	rej = false;
[21]	565	cm_log("Server", "Host is %s", vhost);
[212]	566	port = s == NULL ? 80 : 443;
	567	host = cm_strdup(vhost);
[22]	568	for(i = 0; vhost[i] != 0; i++) {
	569	if(vhost[i] == ':') {
[21]	570	host[i] = 0;
	571	port = atoi(host + i + 1);
	572	break;
	573	}
	574	}
[136]	575	name = host;
[21]	576	cm_log("Server", "Hostname is `%s', port is `%d'", host, port);
[212]	577	vhost_entry = tw_vhost_match(host, port);
[161]	578	#ifdef HAS_CHROOT
	579	char* chrootpath = vhost_entry->chroot_path != NULL ? vhost_entry->chroot_path : config.root.chroot_path;
	580	if(chrootpath != NULL) {
	581	if(chdir(chrootpath) == 0) {
	582	if(chroot(".") == 0) {
	583	cm_log("Server", "Chroot successful");
	584	}
	585	} else {
	586	cm_log("Server", "chdir() failed, cannot chroot");
	587	tw_http_error(s, sock, 500, name, port, vhost_entry);
	588	rej = true;
	589	}
	590	}
	591	#endif
[20]	592	for(i = 0; i < config.module_count; i++) {
	593	tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "mod_request");
	594	if(mod_req != NULL) {
	595	int ret = mod_req(&tools, &req, &res);
	596	int co = ret & 0xff;
[141]	597	if(co == _TW_MODULE_PASS) {
	598	continue;
	599	} else if(co == _TW_MODULE_STOP) {
	600	/* Handle response here ... */
[20]	601	res._processed = true;
	602	break;
[141]	603	} else if(co == _TW_MODULE_STOP2) {
	604	res._processed = true;
	605	break;
	606	} else if(co == _TW_MODULE_ERROR) {
[123]	607	tw_http_error(s, sock, (ret & 0xffff00) >> 8, name, port, vhost_entry);
[20]	608	break;
	609	}
	610	}
	611	}
	612	if(!res._processed) {
[212]	613	char* path;
	614	char* rpath;
	615	struct stat st;
[215]	616	char* slash;
[21]	617	cm_log("Server", "Document root is %s", vhost_entry->root == NULL ? "not set" : vhost_entry->root);
[212]	618	path = cm_strcat(vhost_entry->root == NULL ? "" : vhost_entry->root, req.path);
[21]	619	cm_log("Server", "Filesystem path is %s", path);
[215]	620	#if defined(_MSC_VER) \|\| defined(__BORLANDC__)
	621	for(i = strlen(path) - 1; i >= 0; i--){
	622	if(path[i] == '/'){
	623	path[i] = 0;
	624	}else{
	625	break;
	626	}
	627	}
	628	#endif
	629	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__)
[212]	630	rpath = cm_strdup(path);
[72]	631	for(i = strlen(rpath) - 1; i >= 0; i--) {
[73]	632	if(rpath[i] == '/') {
	633	int j;
	634	for(j = i + 1; rpath[j] != 0; j++) {
	635	if(rpath[j] == ':' \|\| rpath[j] == '.') {
	636	rpath[j] = 0;
	637	break;
	638	}
	639	}
[71]	640	break;
	641	}
	642	}
[70]	643	for(i = 0; i < sizeof(reserved_names) / sizeof(reserved_names[0]); i++) {
	644	char* n = cm_strcat("/", reserved_names[i]);
[71]	645	if(cm_nocase_endswith(rpath, n)) {
[124]	646	tw_http_error(s, sock, 403, name, port, vhost_entry);
[70]	647	free(n);
	648	rej = true;
	649	cm_log("Server", "XP Patch ; rejecting access to device");
	650	break;
	651	}
	652	free(n);
	653	}
[71]	654	free(rpath);
[70]	655	#endif
	656	if(!rej && stat(path, &st) == 0) {
[22]	657	if(!tw_permission_allowed(path, addr, req, vhost_entry)) {
[123]	658	tw_http_error(s, sock, 403, name, port, vhost_entry);
[22]	659	} else if(S_ISDIR(st.st_mode)) {
[24]	660	if(req.path[strlen(req.path) - 1] != '/') {
[215]	661	char* headers[3] = {"Location", NULL, NULL};
	662	headers[1] = cm_strcat(req.path, "/");
[61]	663	cm_log("Server", "Accessing directory without the slash at the end");
[166]	664	_tw_process_page(s, sock, tw_http_status(301), NULL, NULL, NULL, 0, headers, 0, 0);
[24]	665	free(headers[1]);
	666	} else {
	667	char** indexes = vhost_entry->index_count == 0 ? config.root.indexes : vhost_entry->indexes;
	668	int index_count = vhost_entry->index_count == 0 ? config.root.index_count : vhost_entry->index_count;
	669	bool found = false;
	670	for(i = 0; i < index_count; i++) {
	671	char* p = cm_strcat3(path, "/", indexes[i]);
	672	FILE* f = fopen(p, "rb");
	673	if(f != NULL) {
	674	char* ext = NULL;
	675	int j;
[212]	676	struct stat st;
	677	char* mime;
[24]	678	for(j = strlen(p) - 1; j >= 0; j--) {
	679	if(p[j] == '.') {
	680	ext = cm_strdup(p + j);
	681	break;
	682	} else if(p[j] == '/') {
	683	break;
	684	}
[22]	685	}
[24]	686	stat(p, &st);
[212]	687	mime = tw_get_mime(ext, vhost_entry);
[32]	688	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, 0, 0);
[24]	689	fclose(f);
[74]	690	if(ext != NULL) free(ext);
[24]	691	free(p);
	692	found = true;
	693	break;
[22]	694	}
[24]	695	free(p);
	696	}
	697	if(!found) {
	698	char* str = malloc(1);
[212]	699	char** items;
	700	int readme;
	701	char** readmes;
	702	int readme_count;
	703	int hp;
[24]	704	str[0] = 0;
[212]	705	items = cm_scandir(path);
[122]	706	addstring(&str, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n");
[24]	707	addstring(&str, "<html>\n");
	708	addstring(&str, " <head>\n");
	709	addstring(&str, " <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n");
[122]	710	addstring(&str, " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n");
[24]	711	addstring(&str, " <title>Index of %h</title>\n", req.path);
	712	addstring(&str, " </head>\n");
	713	addstring(&str, " <body>\n");
	714	addstring(&str, " <h1>Index of %h</h1>\n", req.path);
	715	addstring(&str, " <hr>\n");
	716	addstring(&str, " <table border=\"0\">\n");
	717	addstring(&str, " <tr>\n");
	718	addstring(&str, " <th></th>\n");
	719	addstring(&str, " <th>Filename</th>\n");
[28]	720	addstring(&str, " <th>MIME</th>\n");
	721	addstring(&str, " <th>Size</th>\n");
[24]	722	addstring(&str, " </tr>\n");
[212]	723	readme = -1;
	724	readmes = vhost_entry->readme_count == 0 ? config.root.readmes : vhost_entry->readmes;
	725	readme_count = vhost_entry->readme_count == 0 ? config.root.readme_count : vhost_entry->readme_count;
[24]	726	if(items != NULL) {
[29]	727	int phase = 0;
	728	doit:
[24]	729	for(i = 0; items[i] != NULL; i++) {
[33]	730	int j;
[212]	731	char* ext;
	732	char* itm;
	733	char* icon;
[28]	734	char* fpth = cm_strcat3(path, "/", items[i]);
	735	struct stat s;
	736	char size[512];
[212]	737	char* showmime;
	738	char* mime;
[28]	739	size[0] = 0;
	740	stat(fpth, &s);
[29]	741	if(phase == 0 && !S_ISDIR(s.st_mode)) {
	742	free(fpth);
	743	continue;
	744	} else if(phase == 1 && S_ISDIR(s.st_mode)) {
	745	free(fpth);
	746	continue;
	747	}
[33]	748	if(readme == -1) {
	749	for(j = 0; j < readme_count; j++) {
	750	if(strcmp(items[i], readmes[j]) == 0) {
	751	readme = j;
	752	break;
	753	}
	754	}
	755	if(readme != -1) {
	756	free(fpth);
	757	continue;
	758	}
	759	}
[212]	760	if(s.st_size < NUM1024) {
[31]	761	sprintf(size, "%d", (int)s.st_size);
[212]	762	} else if(s.st_size < NUM1024 * 1024) {
[29]	763	sprintf(size, "%.1fK", (double)s.st_size / 1024);
[212]	764	} else if(s.st_size < NUM1024 * 1024 * 1024) {
[29]	765	sprintf(size, "%.1fM", (double)s.st_size / 1024 / 1024);
[212]	766	} else if(s.st_size < NUM1024 * 1024 * 1024 * 1024) {
[29]	767	sprintf(size, "%.1fG", (double)s.st_size / 1024 / 1024 / 1024);
[212]	768	} else if(s.st_size < NUM1024 * 1024 * 1024 * 1024 * 1024) {
[29]	769	sprintf(size, "%.1fT", (double)s.st_size / 1024 / 1024 / 1024 / 1024);
[28]	770	}
	771
	772	free(fpth);
	773
[212]	774	ext = NULL;
[24]	775	for(j = strlen(items[i]) - 1; j >= 0; j--) {
	776	if(items[i][j] == '.') {
	777	ext = cm_strdup(items[i] + j);
	778	break;
	779	} else if(items[i][j] == '/') {
	780	break;
	781	}
	782	}
[212]	783	showmime = "";
	784	mime = tw_get_mime(ext, vhost_entry);
[24]	785	if(strcmp(items[i], "../") == 0) {
	786	mime = "misc/parent";
[29]	787	size[0] = 0;
[24]	788	} else if(items[i][strlen(items[i]) - 1] == '/') {
	789	mime = "misc/dir";
[29]	790	size[0] = 0;
	791	} else {
[28]	792	showmime = mime;
[24]	793	}
[212]	794	icon = tw_get_icon(mime, vhost_entry);
[24]	795	if(ext != NULL) free(ext);
[212]	796	itm = cm_strdup(items[i]);
[24]	797	if(strlen(itm) >= 32) {
	798	if(itm[strlen(itm) - 1] == '/') {
	799	itm[31] = 0;
	800	itm[30] = '/';
	801	itm[29] = '.';
	802	itm[28] = '.';
	803	itm[27] = '.';
	804	} else {
	805	itm[31] = 0;
	806	itm[30] = '.';
	807	itm[29] = '.';
	808	itm[28] = '.';
	809	}
	810	}
	811	addstring(&str, "<tr>\n");
	812	addstring(&str, " <td><img src=\"%s\" alt=\"icon\"></td>\n", icon);
	813	addstring(&str, " <td><a href=\"%l\"><code>%h</code></a></td>\n", items[i], itm);
[60]	814	addstring(&str, " <td><code> %h </code></td>\n", showmime);
	815	addstring(&str, " <td><code> %s </code></td>\n", size);
[24]	816	addstring(&str, "</tr>\n");
	817	free(itm);
[22]	818	}
[29]	819	phase++;
	820	if(phase != 2) goto doit;
	821	for(i = 0; items[i] != NULL; i++) free(items[i]);
	822	free(items);
[22]	823	}
[24]	824	addstring(&str, " </table>\n");
[33]	825	if(readme != -1) {
[212]	826	struct stat s;
	827	FILE* fr;
	828	char* fpth;
[33]	829	addstring(&str, "<hr>\n");
[212]	830	fpth = cm_strcat3(path, "/", readmes[readme]);
[33]	831	stat(fpth, &s);
[212]	832	fr = fopen(fpth, "r");
[33]	833	if(fr != NULL) {
	834	char* rmbuf = malloc(s.st_size + 1);
	835	rmbuf[s.st_size] = 0;
	836	fread(rmbuf, s.st_size, 1, fr);
	837	addstring(&str, "<pre><code>%h</code></pre>\n", rmbuf);
	838	fclose(fr);
[70]	839	free(rmbuf);
[33]	840	}
[66]	841	free(fpth);
[33]	842	}
[24]	843	addstring(&str, " <hr>\n");
[212]	844	hp = vhost_entry->hideport == -1 ? config.root.hideport : vhost_entry->hideport;
[123]	845	if(hp == 0) {
	846	addstring(&str, " <address>%s Server at %s Port %d</address>\n", tw_server, name, port);
	847	} else {
	848	addstring(&str, " <address>%s Server at %s</address>\n", tw_server, name, port);
	849	}
[24]	850	addstring(&str, " </body>\n");
	851	addstring(&str, "</html>\n");
[32]	852	tw_process_page(s, sock, tw_http_status(200), "text/html", NULL, str, strlen(str), 0, 0);
[24]	853	free(str);
[21]	854	}
	855	}
[22]	856	} else {
[21]	857	char* ext = NULL;
[212]	858	char* mime;
	859	FILE* f;
[22]	860	for(i = strlen(req.path) - 1; i >= 0; i--) {
	861	if(req.path[i] == '.') {
[21]	862	ext = cm_strdup(req.path + i);
	863	break;
[24]	864	} else if(req.path[i] == '/') {
	865	break;
[21]	866	}
	867	}
[212]	868	mime = tw_get_mime(ext, vhost_entry);
[21]	869	if(ext != NULL) free(ext);
[212]	870	f = fopen(path, "rb");
[173]	871	if(f == NULL) {
	872	tw_http_error(s, sock, 403, name, port, vhost_entry);
	873	} else {
	874	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, st.st_mtime, cmtime);
	875	fclose(f);
	876	}
[21]	877	}
[22]	878	} else {
[161]	879	if(!rej) {
	880	tw_http_error(s, sock, 404, name, port, vhost_entry);
	881	}
[21]	882	}
	883	free(path);
[20]	884	}
[21]	885	free(vhost);
	886	free(host);
[22]	887	} else if(ret == -1) {
[18]	888	} else {
[123]	889	tw_http_error(s, sock, 400, name, port, &config.root);
[17]	890	}
[70]	891	tw_free_request(&req);
[12]	892	cleanup:
[43]	893	#ifndef NO_SSL
[16]	894	if(sslworks) {
[15]	895	SSL_shutdown(s);
	896	}
	897	SSL_free(s);
[46]	898	#endif
[11]	899	close_socket(sock);
[215]	900	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__)
	901	_endthread(
	902	#ifndef __BORLANDC__
	903	0
	904	#endif
	905	);
[100]	906	#elif defined(__HAIKU__)
[105]	907	exit_thread(0);
[11]	908	#endif
[215]	909	#ifndef __BORLANDC__
[214]	910	return 0;
[215]	911	#endif
[11]	912	}
	913
[62]	914	#ifdef SERVICE
	915	extern SERVICE_STATUS status;
	916	extern SERVICE_STATUS_HANDLE status_handle;
	917	#endif
	918
[215]	919	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__)
[65]	920	struct thread_entry {
[101]	921	#ifdef __HAIKU__
	922	thread_id thread;
	923	#else
[65]	924	HANDLE handle;
[101]	925	#endif
[65]	926	bool used;
	927	};
	928	#endif
	929
[183]	930	extern int running;
	931
[11]	932	void tw_server_loop(void) {
[68]	933	int i;
[212]	934	#ifndef USE_POLL
[213]	935	fd_set fdset;
	936	struct timeval tv;
[212]	937	#endif
[215]	938	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__)
[65]	939	struct thread_entry threads[2048];
[70]	940	for(i = 0; i < sizeof(threads) / sizeof(threads[0]); i++) {
[65]	941	threads[i].used = false;
	942	}
	943	#endif
[118]	944	#ifdef USE_POLL
	945	struct pollfd pollfds[sockcount];
	946	for(i = 0; i < sockcount; i++) {
	947	pollfds[i].fd = sockets[i];
	948	pollfds[i].events = POLLIN \| POLLPRI;
	949	}
	950	#endif
[183]	951	while(running) {
[212]	952	int ret;
[118]	953	#ifdef USE_POLL
[212]	954	ret = poll(pollfds, sockcount, 1000);
[118]	955	#else
	956	FD_ZERO(&fdset);
	957	for(i = 0; i < sockcount; i++) {
	958	FD_SET(sockets[i], &fdset);
	959	}
	960	tv.tv_sec = 1;
	961	tv.tv_usec = 0;
[86]	962	#ifdef __HAIKU__
[212]	963	ret = select(32, &fdset, NULL, NULL, &tv);
[86]	964	#else
[212]	965	ret = select(FD_SETSIZE, &fdset, NULL, NULL, &tv);
[86]	966	#endif
[118]	967	#endif
[11]	968	if(ret == -1) {
[215]	969	#if !defined(__MINGW32__) && !defined(_MSC_VER) && !defined(__BORLANDC__)
[84]	970	cm_log("Server", "Select failure: %s", strerror(errno));
	971	#endif
[9]	972	break;
[70]	973	} else if(ret == 0) {
[62]	974	#ifdef SERVICE
[70]	975	if(status.dwCurrentState == SERVICE_STOP_PENDING) {
[62]	976	break;
	977	}
	978	#endif
[11]	979	} else if(ret > 0) {
[9]	980	/* connection */
	981	int i;
[11]	982	for(i = 0; i < sockcount; i++) {
[118]	983	bool cond;
	984	#ifdef USE_POLL
	985	cond = pollfds[i].revents & POLLIN;
	986	#else
	987	cond = FD_ISSET(sockets[i], &fdset);
	988	#endif
	989	if(cond) {
[9]	990	SOCKADDR claddr;
[182]	991	socklen_t clen = sizeof(claddr);
[9]	992	int sock = accept(sockets[i], (struct sockaddr*)&claddr, &clen);
[215]	993	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__)
[212]	994	int j;
	995	struct pass_entry* e = malloc(sizeof(*e));
[12]	996	cm_log("Server", "New connection accepted");
[11]	997	e->sock = sock;
[215]	998	#if defined(_MSC_VER) \|\| defined(__BORLANDC__)
[212]	999	e->ssl = config.ports[i] & (1UL << 31);
	1000	#else
	1001	e->ssl = config.ports[i] & (1ULL << 31);
	1002	#endif
[12]	1003	e->port = config.ports[i];
[21]	1004	e->addr = claddr;
[97]	1005	#endif
[215]	1006	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__)
[212]	1007	_beginthread(tw_server_pass, 0, e);
[187]	1008	#elif defined(_PSP) \|\| defined(__PPU__)
[183]	1009	tw_server_pass(e);
[97]	1010	#elif defined(__HAIKU__)
[183]	1011	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	1012	if(threads[j].used) {
	1013	thread_info info;
	1014	bool kill = false;
	1015	if(get_thread_info(threads[j].thread, &info) == B_OK) {
	1016	} else {
	1017	kill = true;
[101]	1018	}
[183]	1019	if(kill) {
	1020	threads[j].used = false;
[101]	1021	}
	1022	}
[183]	1023	}
	1024	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	1025	if(!threads[j].used) {
	1026	threads[j].thread = spawn_thread(tw_server_pass, "Tewi HTTPd", 60, e);
	1027	threads[j].used = true;
	1028	resume_thread(threads[j].thread);
	1029	break;
	1030	}
	1031	}
[11]	1032	#else
	1033	pid_t pid = fork();
	1034	if(pid == 0) {
[89]	1035	int j;
	1036	for(j = 0; j < sockcount; j++) close_socket(sockets[j]);
[212]	1037	tw_server_pass(sock, config.ports[i] & (1ULL << 31), config.ports[i], claddr);
[11]	1038	_exit(0);
	1039	} else {
	1040	close_socket(sock);
	1041	}
	1042	#endif
[9]	1043	}
	1044	}
	1045	}
	1046	}
	1047	}

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source: Main/trunk/Server/server.c@ 215

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