server.c@ 216

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Last change on this file since 216 was 216, checked in by Nishi, on Oct 3, 2024 at 4:31:23 AM
fix windows
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File size: 27.7 KB

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

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source: Main/trunk/Server/server.c@ 216

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