server.c@ 116

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Last change on this file since 116 was 116, checked in by Nishi, on Sep 21, 2024 at 5:40:13 PM
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Rev	Line
[8]	1	/* $Id: server.c 116 2024-09-21 08:40:13Z 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
	18	#include <unistd.h>
	19	#include <string.h>
[11]	20	#include <stdbool.h>
[20]	21	#include <stdarg.h>
[43]	22	#include <stdio.h>
	23	#include <stdlib.h>
[84]	24	#include <errno.h>
[21]	25	#include <sys/stat.h>
[32]	26	#include <time.h>
[8]	27
[18]	28	#include <cm_string.h>
[8]	29	#include <cm_log.h>
[21]	30	#include <cm_dir.h>
[8]	31
	32	#ifdef __MINGW32__
[116]	33	#include <ws2tcpip.h>
	34	#include <wspiapi.h>
[8]	35	#include <winsock2.h>
[11]	36	#include <process.h>
[62]	37	#include <windows.h>
[32]	38
	39	#include "strptime.h"
[8]	40	#else
	41	#include <sys/select.h>
	42	#include <sys/socket.h>
	43	#include <arpa/inet.h>
	44	#include <netinet/in.h>
	45	#include <netinet/tcp.h>
[116]	46	#include <netdb.h>
[8]	47	#endif
	48
[97]	49	#ifdef __HAIKU__
	50	#include <OS.h>
	51	#endif
	52
[8]	53	extern struct tw_config config;
[18]	54	extern char tw_server[];
[8]	55
	56	fd_set fdset;
	57	int sockcount = 0;
	58
[9]	59	SOCKADDR addresses[MAX_PORTS];
	60	int sockets[MAX_PORTS];
[8]	61
[70]	62	#ifdef __MINGW32__
	63	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"};
	64	#endif
	65
[23]	66	/* https://qiita.com/gyu-don/items/5a640c6d2252a860c8cd */
	67	int tw_wildcard_match(const char* wildcard, const char* target) {
	68	const char pw = wildcard, pt = target;
	69
	70	while(1) {
	71	if(*pt == 0) {
	72	while(pw == '') pw++;
	73	return *pw == 0;
	74	} else if(*pw == 0) {
	75	return 0;
	76	} else if(pw == '') {
	77	return *(pw + 1) == 0 \|\| tw_wildcard_match(pw, pt + 1) \|\| tw_wildcard_match(pw + 1, pt);
	78	} else if(pw == '?' \|\| (pw == *pt)) {
	79	pw++;
	80	pt++;
	81	continue;
	82	} else {
	83	return 0;
	84	}
	85	}
	86	}
	87
[8]	88	void close_socket(int sock) {
[88]	89	#if defined(__MINGW32__)
[8]	90	closesocket(sock);
	91	#else
	92	close(sock);
	93	#endif
	94	}
	95
	96	int tw_server_init(void) {
	97	int i;
	98	#ifdef __MINGW32__
	99	WSADATA wsa;
	100	WSAStartup(MAKEWORD(2, 0), &wsa);
	101	#endif
	102	for(i = 0; config.ports[i] != -1; i++)
	103	;
	104	sockcount = i;
	105	for(i = 0; config.ports[i] != -1; i++) {
	106	#ifdef NO_IPV6
	107	int sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
	108	#else
	109	int sock = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
	110	#endif
	111	#ifdef __MINGW32__
	112	if(sock == INVALID_SOCKET)
	113	#else
	114	if(sock < 0)
	115	#endif
	116	{
	117	cm_log("Server", "Socket creation failure");
	118	return 1;
	119	}
	120	int yes = 1;
	121	if(setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(yes)) < 0) {
	122	close_socket(sock);
	123	cm_log("Server", "setsockopt failure (reuseaddr)");
	124	return 1;
	125	}
	126	if(setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(yes)) < 0) {
	127	close_socket(sock);
	128	cm_log("Server", "setsockopt failure (nodelay)");
	129	return 1;
	130	}
	131	#ifndef NO_IPV6
	132	int no = 0;
	133	if(setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&no, sizeof(no)) < 0) {
	134	close_socket(sock);
	135	cm_log("Server", "setsockopt failure (IPv6)");
	136	return 1;
	137	}
	138	#endif
	139	memset(&addresses[i], 0, sizeof(addresses[i]));
	140	#ifdef NO_IPV6
	141	addresses[i].sin_family = AF_INET;
	142	addresses[i].sin_addr.s_addr = INADDR_ANY;
	143	addresses[i].sin_port = htons(config.ports[i]);
	144	#else
	145	addresses[i].sin6_family = AF_INET6;
	146	addresses[i].sin6_addr = in6addr_any;
	147	addresses[i].sin6_port = htons(config.ports[i]);
	148	#endif
	149	if(bind(sock, (struct sockaddr*)&addresses[i], sizeof(addresses[i])) < 0) {
	150	close_socket(sock);
	151	cm_log("Server", "Bind failure");
	152	return 1;
	153	}
	154	if(listen(sock, 128) < 0) {
	155	close_socket(sock);
	156	cm_log("Server", "Listen failure");
	157	return 1;
	158	}
	159	sockets[i] = sock;
	160	}
	161	return 0;
	162	}
[9]	163
[16]	164	size_t tw_read(SSL* ssl, int s, void* data, size_t len) {
[43]	165	#ifndef NO_SSL
[16]	166	if(ssl == NULL) {
	167	return recv(s, data, len, 0);
	168	} else {
	169	return SSL_read(ssl, data, len);
	170	}
[43]	171	#else
	172	return recv(s, data, len, 0);
	173	#endif
[16]	174	}
	175
	176	size_t tw_write(SSL* ssl, int s, void* data, size_t len) {
[43]	177	#ifndef NO_SSL
[16]	178	if(ssl == NULL) {
	179	return send(s, data, len, 0);
	180	} else {
	181	return SSL_write(ssl, data, len);
	182	}
[43]	183	#else
	184	return send(s, data, len, 0);
	185	#endif
[16]	186	}
	187
[20]	188	#define ERROR_HTML \
[18]	189	"<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n" \
	190	"<html>\n" \
	191	" <head>\n" \
[20]	192	" <title>%s</title>\n" \
[18]	193	" </head>\n" \
	194	" <body>\n" \
[20]	195	" <h1>%s</h1>\n" \
[18]	196	" <hr>\n" \
	197	" ", \
	198	address, \
	199	"\n" \
	200	" </body>\n" \
	201	"</html>\n"
	202
[32]	203	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]	204	char construct[512];
[32]	205	if(mtime != 0 && cmtime != 0 && mtime <= cmtime) {
	206	status = "304 Not Modified";
	207	type = NULL;
	208	size = 0;
	209	headers = NULL;
	210	f = NULL;
	211	doc = NULL;
	212	}
[18]	213	sprintf(construct, "%llu", (unsigned long long)size);
	214	tw_write(ssl, sock, "HTTP/1.1 ", 9);
	215	tw_write(ssl, sock, (char*)status, strlen(status));
	216	tw_write(ssl, sock, "\r\n", 2);
[24]	217	if(type != NULL) {
	218	tw_write(ssl, sock, "Content-Type: ", 7 + 5 + 2);
	219	tw_write(ssl, sock, (char*)type, strlen(type));
	220	tw_write(ssl, sock, "\r\n", 2);
	221	}
[18]	222	tw_write(ssl, sock, "Server: ", 6 + 2);
	223	tw_write(ssl, sock, tw_server, strlen(tw_server));
	224	tw_write(ssl, sock, "\r\n", 2);
[24]	225	if(size != 0) {
	226	tw_write(ssl, sock, "Content-Length: ", 7 + 7 + 2);
	227	tw_write(ssl, sock, construct, strlen(construct));
	228	tw_write(ssl, sock, "\r\n", 2);
[32]	229	if(mtime != 0) {
	230	struct tm* tm = gmtime(&mtime);
	231	char date[513];
	232	strftime(date, 512, "%a, %d %b %Y %H:%M:%S GMT", tm);
	233	tw_write(ssl, sock, "Last-Modified: ", 5 + 8 + 2);
	234	tw_write(ssl, sock, date, strlen(date));
	235	tw_write(ssl, sock, "\r\n", 2);
	236	}
[24]	237	}
	238	int i;
	239	if(headers != NULL) {
	240	for(i = 0; headers[i] != NULL; i += 2) {
	241	tw_write(ssl, sock, headers[i], strlen(headers[i]));
	242	tw_write(ssl, sock, ": ", 2);
	243	tw_write(ssl, sock, headers[i + 1], strlen(headers[i + 1]));
	244	tw_write(ssl, sock, "\r\n", 2);
	245	}
	246	}
[18]	247	tw_write(ssl, sock, "\r\n", 2);
[24]	248	if(doc == NULL && f == NULL) return;
[18]	249	size_t incr = 0;
	250	while(1) {
[22]	251	if(f != NULL) {
[21]	252	char buffer[128];
	253	fread(buffer, size < 128 ? size : 128, 1, f);
	254	tw_write(ssl, sock, buffer, size < 128 ? size : 128);
[22]	255	} else {
[21]	256	tw_write(ssl, sock, (unsigned char*)doc + incr, size < 128 ? size : 128);
	257	}
[18]	258	incr += 128;
[19]	259	if(size <= 128) break;
[18]	260	size -= 128;
	261	}
	262	}
	263
[32]	264	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]	265
[18]	266	const char* tw_http_status(int code) {
[20]	267	if(code == 200) {
	268	return "200 OK";
[24]	269	} else if(code == 308) {
	270	return "308 Permanent Redirect";
[20]	271	} else if(code == 400) {
[18]	272	return "400 Bad Request";
[20]	273	} else if(code == 401) {
	274	return "401 Unauthorized";
	275	} else if(code == 403) {
	276	return "403 Forbidden";
	277	} else if(code == 404) {
	278	return "404 Not Found";
[18]	279	} else {
	280	return "400 Bad Request";
	281	}
	282	}
	283
	284	char* tw_http_default_error(int code, char* name, int port) {
	285	char address[1024];
	286	sprintf(address, "<address>%s Server at %s Port %d</address>", tw_server, name, port);
[20]	287
	288	char* st = cm_strdup(tw_http_status(code));
	289	char* st2;
	290	int i;
	291	for(i = 0; st[i] != 0; i++) {
	292	if(st[i] == ' ') {
	293	st2 = cm_strdup(st + i + 1);
	294	break;
	295	}
[18]	296	}
[20]	297	char* buffer = malloc(4096);
	298	char* str = cm_strcat3(ERROR_HTML);
	299	sprintf(buffer, str, st, st2);
	300	free(str);
	301	free(st);
	302	return buffer;
[18]	303	}
	304
	305	void tw_http_error(SSL* ssl, int sock, int error, char* name, int port) {
	306	char* str = tw_http_default_error(error, name, port);
[32]	307	tw_process_page(ssl, sock, tw_http_status(error), "text/html", NULL, str, strlen(str), 0, 0);
[18]	308	free(str);
	309	}
	310
[20]	311	void addstring(char** str, const char* add, ...) {
	312	int i;
	313	char cbuf[2];
	314	cbuf[1] = 0;
	315	va_list va;
	316	va_start(va, add);
	317	for(i = 0; add[i] != 0; i++) {
	318	cbuf[0] = add[i];
	319	if(add[i] == '%') {
	320	i++;
	321	if(add[i] == 's') {
	322	char* tmp = *str;
	323	str = cm_strcat(tmp, va_arg(va, const char));
	324	free(tmp);
	325	} else if(add[i] == 'h') {
	326	char* h = cm_html_escape(va_arg(va, const char*));
	327	char* tmp = *str;
	328	*str = cm_strcat(tmp, h);
	329	free(tmp);
	330	free(h);
[21]	331	} else if(add[i] == 'l') {
	332	char* h = cm_url_escape(va_arg(va, const char*));
	333	char* tmp = *str;
	334	*str = cm_strcat(tmp, h);
	335	free(tmp);
	336	free(h);
[20]	337	} else if(add[i] == 'd') {
	338	int n = va_arg(va, int);
	339	char* h = malloc(512);
	340	sprintf(h, "%d", n);
	341	char* tmp = *str;
	342	*str = cm_strcat(tmp, h);
	343	free(tmp);
	344	free(h);
	345	} else if(add[i] == '%') {
	346	char* tmp = *str;
	347	*str = cm_strcat(tmp, "%");
	348	free(tmp);
	349	}
	350	} else {
	351	char* tmp = *str;
	352	*str = cm_strcat(tmp, cbuf);
	353	free(tmp);
	354	}
	355	}
[74]	356	va_end(va);
[20]	357	}
	358
[22]	359	char* tw_get_mime(const char* ext, struct tw_config_entry* vhost_entry) {
	360	char* mime = "application/octet-stream";
	361	if(ext == NULL) return mime;
	362	bool set = false;
	363	int i;
	364	for(i = 0; i < vhost_entry->mime_count; i++) {
[23]	365	if(strcmp(vhost_entry->mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(vhost_entry->mimes[i].ext, ext))) {
[22]	366	mime = vhost_entry->mimes[i].mime;
	367	set = true;
	368	}
	369	}
	370	if(!set) {
	371	for(i = 0; i < config.root.mime_count; i++) {
[23]	372	if(strcmp(config.root.mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(config.root.mimes[i].ext, ext))) {
[22]	373	mime = config.root.mimes[i].mime;
	374	}
	375	}
	376	}
	377	return mime;
	378	}
	379
	380	char* tw_get_icon(const char* mime, struct tw_config_entry* vhost_entry) {
	381	char* icon = "";
	382	if(mime == NULL) return "";
	383	bool set = false;
	384	int i;
	385	for(i = 0; i < vhost_entry->icon_count; i++) {
[23]	386	if(strcmp(vhost_entry->icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(vhost_entry->icons[i].mime, mime))) {
[22]	387	icon = vhost_entry->icons[i].icon;
	388	set = true;
	389	}
	390	}
	391	if(!set) {
	392	for(i = 0; i < config.root.icon_count; i++) {
[23]	393	if(strcmp(config.root.icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(config.root.icons[i].mime, mime))) {
[22]	394	icon = config.root.icons[i].icon;
	395	}
	396	}
	397	}
	398	return icon;
	399	}
	400
[11]	401	struct pass_entry {
	402	int sock;
[12]	403	int port;
[11]	404	bool ssl;
[21]	405	SOCKADDR addr;
[11]	406	};
	407
[97]	408	#ifdef __MINGW32__
[11]	409	unsigned int WINAPI tw_server_pass(void* ptr) {
[97]	410	#elif defined(__HAIKU__)
	411	int32_t tw_server_pass(void* ptr) {
[105]	412	#endif
	413	#if defined(__HAIKU__) \|\| defined(__MINGW32__)
[11]	414	int sock = ((struct pass_entry*)ptr)->sock;
	415	bool ssl = ((struct pass_entry*)ptr)->ssl;
[14]	416	int port = ((struct pass_entry*)ptr)->port;
[21]	417	SOCKADDR addr = ((struct pass_entry*)ptr)->addr;
[12]	418	free(ptr);
[11]	419	#else
[105]	420	void tw_server_pass(int sock, bool ssl, int port, SOCKADDR addr) {
[11]	421	#endif
[13]	422	char* name = config.hostname;
	423
[43]	424	#ifndef NO_SSL
[12]	425	SSL_CTX* ctx = NULL;
	426	SSL* s = NULL;
[15]	427	bool sslworks = false;
[12]	428	if(ssl) {
	429	ctx = tw_create_ssl_ctx(port);
	430	s = SSL_new(ctx);
	431	SSL_set_fd(s, sock);
	432	if(SSL_accept(s) <= 0) goto cleanup;
[15]	433	sslworks = true;
[12]	434	}
[43]	435	#else
[105]	436	void* s = NULL;
[43]	437	#endif
[116]	438
	439	char address[513];
	440	address[0] = 0;
	441	struct sockaddr* sa = (struct sockaddr*)&addr;
	442	getnameinfo(sa, sizeof(addr), address, 512, NULL, 0, NI_NUMERICHOST);
	443
[16]	444	struct tw_http_request req;
[20]	445	struct tw_http_response res;
	446	struct tw_tool tools;
	447	res._processed = false;
	448	tw_init_tools(&tools);
[16]	449	int ret = tw_http_parse(s, sock, &req);
[17]	450	if(ret == 0) {
[116]	451	char date[513];
	452	time_t t = time(NULL);
	453	struct tm* tm = localtime(&t);
	454	strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
	455
	456	char* useragent = cm_strdup("");
	457
	458	int i;
	459	for(i = 0; req.headers[i] != NULL; i += 2){
	460	if(cm_strcaseequ(req.headers[i], "User-Agent")){
	461	free(useragent);
	462	useragent = cm_strdup(req.headers[i + 1]);
	463	}
	464	}
	465
	466	char* tmp = cm_strcat3(address, " - [", date);
	467	char* tmp2 = cm_strcat3(tmp, "] \"", req.method);
	468	char* tmp3 = cm_strcat3(tmp2, " ", req.path);
	469	char* tmp4 = cm_strcat3(tmp3, " ", req.version);
	470	char* tmp5 = cm_strcat3(tmp4, "\" \"", useragent);
	471	char* log = cm_strcat(tmp5, "\"");
	472	free(tmp);
	473	free(tmp2);
	474	free(tmp3);
	475	free(tmp4);
	476	free(tmp5);
	477	free(useragent);
	478	cm_force_log(log);
	479	free(log);
	480
[21]	481	char* vhost = cm_strdup(config.hostname);
[32]	482	time_t cmtime = 0;
[70]	483	if(req.headers != NULL) {
[64]	484	for(i = 0; req.headers[i] != NULL; i += 2) {
	485	if(cm_strcaseequ(req.headers[i], "Host")) {
	486	free(vhost);
	487	vhost = cm_strdup(req.headers[i + 1]);
	488	} else if(cm_strcaseequ(req.headers[i], "If-Modified-Since")) {
	489	struct tm tm;
	490	strptime(req.headers[i + 1], "%a, %d %b %Y %H:%M:%S GMT", &tm);
[32]	491	#ifdef __MINGW32__
[64]	492	time_t t = 0;
	493	struct tm* btm = localtime(&t);
	494	cmtime = mktime(&tm);
	495	cmtime -= (btm->tm_hour * 60 + btm->tm_min) * 60;
[32]	496	#else
[105]	497	cmtime = timegm(&tm);
[32]	498	#endif
[64]	499	}
[21]	500	}
	501	}
	502	cm_log("Server", "Host is %s", vhost);
	503	int port = s == NULL ? 80 : 443;
	504	char* host = cm_strdup(vhost);
[22]	505	for(i = 0; vhost[i] != 0; i++) {
	506	if(vhost[i] == ':') {
[21]	507	host[i] = 0;
	508	port = atoi(host + i + 1);
	509	break;
	510	}
	511	}
	512	cm_log("Server", "Hostname is `%s', port is `%d'", host, port);
	513	struct tw_config_entry* vhost_entry = tw_vhost_match(host, port);
[20]	514	for(i = 0; i < config.module_count; i++) {
	515	tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "mod_request");
	516	if(mod_req != NULL) {
	517	int ret = mod_req(&tools, &req, &res);
	518	int co = ret & 0xff;
	519	if(co == _TW_MODULE_PASS) continue;
	520	if(co == _TW_MODULE_STOP) {
	521	res._processed = true;
	522	break;
	523	}
	524	if(co == _TW_MODULE_ERROR) {
	525	tw_http_error(s, sock, (ret & 0xffff00) >> 8, name, port);
	526	break;
	527	}
	528	}
	529	}
	530	if(!res._processed) {
[21]	531	cm_log("Server", "Document root is %s", vhost_entry->root == NULL ? "not set" : vhost_entry->root);
	532	char* path = cm_strcat(vhost_entry->root == NULL ? "" : vhost_entry->root, req.path);
	533	cm_log("Server", "Filesystem path is %s", path);
[70]	534	bool rej = false;
	535	#ifdef __MINGW32__
[71]	536	char* rpath = cm_strdup(path);
[72]	537	for(i = strlen(rpath) - 1; i >= 0; i--) {
[73]	538	if(rpath[i] == '/') {
	539	int j;
	540	for(j = i + 1; rpath[j] != 0; j++) {
	541	if(rpath[j] == ':' \|\| rpath[j] == '.') {
	542	rpath[j] = 0;
	543	break;
	544	}
	545	}
[71]	546	break;
	547	}
	548	}
[70]	549	for(i = 0; i < sizeof(reserved_names) / sizeof(reserved_names[0]); i++) {
	550	char* n = cm_strcat("/", reserved_names[i]);
[71]	551	if(cm_nocase_endswith(rpath, n)) {
[70]	552	tw_http_error(s, sock, 403, name, port);
	553	free(n);
	554	rej = true;
	555	cm_log("Server", "XP Patch ; rejecting access to device");
	556	break;
	557	}
	558	free(n);
	559	}
[71]	560	free(rpath);
[70]	561	#endif
[21]	562	struct stat st;
[70]	563	if(!rej && stat(path, &st) == 0) {
[22]	564	if(!tw_permission_allowed(path, addr, req, vhost_entry)) {
[21]	565	tw_http_error(s, sock, 403, name, port);
[22]	566	} else if(S_ISDIR(st.st_mode)) {
[24]	567	if(req.path[strlen(req.path) - 1] != '/') {
[61]	568	cm_log("Server", "Accessing directory without the slash at the end");
[24]	569	char* headers[3] = {"Location", cm_strcat(req.path, "/"), NULL};
[32]	570	_tw_process_page(s, sock, tw_http_status(308), NULL, NULL, NULL, 0, headers, 0, 0);
[24]	571	free(headers[1]);
	572	} else {
	573	char** indexes = vhost_entry->index_count == 0 ? config.root.indexes : vhost_entry->indexes;
	574	int index_count = vhost_entry->index_count == 0 ? config.root.index_count : vhost_entry->index_count;
	575	bool found = false;
	576	for(i = 0; i < index_count; i++) {
	577	char* p = cm_strcat3(path, "/", indexes[i]);
	578	FILE* f = fopen(p, "rb");
	579	if(f != NULL) {
	580	char* ext = NULL;
	581	int j;
	582	for(j = strlen(p) - 1; j >= 0; j--) {
	583	if(p[j] == '.') {
	584	ext = cm_strdup(p + j);
	585	break;
	586	} else if(p[j] == '/') {
	587	break;
	588	}
[22]	589	}
[24]	590	struct stat st;
	591	stat(p, &st);
	592	char* mime = tw_get_mime(ext, vhost_entry);
[32]	593	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, 0, 0);
[24]	594	fclose(f);
[74]	595	if(ext != NULL) free(ext);
[24]	596	free(p);
	597	found = true;
	598	break;
[22]	599	}
[24]	600	free(p);
	601	}
	602	if(!found) {
	603	char* str = malloc(1);
	604	str[0] = 0;
	605	char** items = cm_scandir(path);
	606	addstring(&str, "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n");
	607	addstring(&str, "<html>\n");
	608	addstring(&str, " <head>\n");
	609	addstring(&str, " <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n");
	610	addstring(&str, " <title>Index of %h</title>\n", req.path);
	611	addstring(&str, " </head>\n");
	612	addstring(&str, " <body>\n");
	613	addstring(&str, " <h1>Index of %h</h1>\n", req.path);
	614	addstring(&str, " <hr>\n");
	615	addstring(&str, " <table border=\"0\">\n");
	616	addstring(&str, " <tr>\n");
	617	addstring(&str, " <th></th>\n");
	618	addstring(&str, " <th>Filename</th>\n");
[28]	619	addstring(&str, " <th>MIME</th>\n");
	620	addstring(&str, " <th>Size</th>\n");
[24]	621	addstring(&str, " </tr>\n");
[33]	622	int readme = -1;
	623	char** readmes = vhost_entry->readme_count == 0 ? config.root.readmes : vhost_entry->readmes;
	624	int readme_count = vhost_entry->readme_count == 0 ? config.root.readme_count : vhost_entry->readme_count;
[24]	625	if(items != NULL) {
[29]	626	int phase = 0;
	627	doit:
[24]	628	for(i = 0; items[i] != NULL; i++) {
[33]	629	int j;
[28]	630	char* fpth = cm_strcat3(path, "/", items[i]);
	631	struct stat s;
	632	char size[512];
	633	size[0] = 0;
	634	stat(fpth, &s);
[29]	635	if(phase == 0 && !S_ISDIR(s.st_mode)) {
	636	free(fpth);
	637	continue;
	638	} else if(phase == 1 && S_ISDIR(s.st_mode)) {
	639	free(fpth);
	640	continue;
	641	}
[33]	642	if(readme == -1) {
	643	for(j = 0; j < readme_count; j++) {
	644	if(strcmp(items[i], readmes[j]) == 0) {
	645	readme = j;
	646	break;
	647	}
	648	}
	649	if(readme != -1) {
	650	free(fpth);
	651	continue;
	652	}
	653	}
[29]	654	if(s.st_size < 1024ULL) {
[31]	655	sprintf(size, "%d", (int)s.st_size);
[29]	656	} else if(s.st_size < 1024ULL * 1024) {
	657	sprintf(size, "%.1fK", (double)s.st_size / 1024);
	658	} else if(s.st_size < 1024ULL * 1024 * 1024) {
	659	sprintf(size, "%.1fM", (double)s.st_size / 1024 / 1024);
	660	} else if(s.st_size < 1024ULL * 1024 * 1024 * 1024) {
	661	sprintf(size, "%.1fG", (double)s.st_size / 1024 / 1024 / 1024);
	662	} else if(s.st_size < 1024ULL * 1024 * 1024 * 1024 * 1024) {
	663	sprintf(size, "%.1fT", (double)s.st_size / 1024 / 1024 / 1024 / 1024);
[28]	664	}
	665
	666	free(fpth);
	667
[24]	668	char* ext = NULL;
	669	for(j = strlen(items[i]) - 1; j >= 0; j--) {
	670	if(items[i][j] == '.') {
	671	ext = cm_strdup(items[i] + j);
	672	break;
	673	} else if(items[i][j] == '/') {
	674	break;
	675	}
	676	}
[28]	677	char* showmime = "";
[24]	678	char* mime = tw_get_mime(ext, vhost_entry);
	679	if(strcmp(items[i], "../") == 0) {
	680	mime = "misc/parent";
[29]	681	size[0] = 0;
[24]	682	} else if(items[i][strlen(items[i]) - 1] == '/') {
	683	mime = "misc/dir";
[29]	684	size[0] = 0;
	685	} else {
[28]	686	showmime = mime;
[24]	687	}
	688	char* icon = tw_get_icon(mime, vhost_entry);
	689	if(ext != NULL) free(ext);
	690	char* itm = cm_strdup(items[i]);
	691	if(strlen(itm) >= 32) {
	692	if(itm[strlen(itm) - 1] == '/') {
	693	itm[31] = 0;
	694	itm[30] = '/';
	695	itm[29] = '.';
	696	itm[28] = '.';
	697	itm[27] = '.';
	698	} else {
	699	itm[31] = 0;
	700	itm[30] = '.';
	701	itm[29] = '.';
	702	itm[28] = '.';
	703	}
	704	}
	705	addstring(&str, "<tr>\n");
	706	addstring(&str, " <td><img src=\"%s\" alt=\"icon\"></td>\n", icon);
	707	addstring(&str, " <td><a href=\"%l\"><code>%h</code></a></td>\n", items[i], itm);
[60]	708	addstring(&str, " <td><code> %h </code></td>\n", showmime);
	709	addstring(&str, " <td><code> %s </code></td>\n", size);
[24]	710	addstring(&str, "</tr>\n");
	711	free(itm);
[22]	712	}
[29]	713	phase++;
	714	if(phase != 2) goto doit;
	715	for(i = 0; items[i] != NULL; i++) free(items[i]);
	716	free(items);
[22]	717	}
[24]	718	addstring(&str, " </table>\n");
[33]	719	if(readme != -1) {
	720	addstring(&str, "<hr>\n");
	721	char* fpth = cm_strcat3(path, "/", readmes[readme]);
	722	struct stat s;
	723	stat(fpth, &s);
	724	FILE* fr = fopen(fpth, "r");
	725	if(fr != NULL) {
	726	char* rmbuf = malloc(s.st_size + 1);
	727	rmbuf[s.st_size] = 0;
	728	fread(rmbuf, s.st_size, 1, fr);
	729	addstring(&str, "<pre><code>%h</code></pre>\n", rmbuf);
	730	fclose(fr);
[70]	731	free(rmbuf);
[33]	732	}
[66]	733	free(fpth);
[33]	734	}
[24]	735	addstring(&str, " <hr>\n");
	736	addstring(&str, " <address>%s Server at %s Port %d</address>\n", tw_server, name, port);
	737	addstring(&str, " </body>\n");
	738	addstring(&str, "</html>\n");
[32]	739	tw_process_page(s, sock, tw_http_status(200), "text/html", NULL, str, strlen(str), 0, 0);
[24]	740	free(str);
[21]	741	}
	742	}
[22]	743	} else {
[21]	744	char* ext = NULL;
[22]	745	for(i = strlen(req.path) - 1; i >= 0; i--) {
	746	if(req.path[i] == '.') {
[21]	747	ext = cm_strdup(req.path + i);
	748	break;
[24]	749	} else if(req.path[i] == '/') {
	750	break;
[21]	751	}
	752	}
[22]	753	char* mime = tw_get_mime(ext, vhost_entry);
[21]	754	if(ext != NULL) free(ext);
	755	FILE* f = fopen(path, "rb");
[32]	756	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, st.st_mtime, cmtime);
[21]	757	fclose(f);
	758	}
[22]	759	} else {
[21]	760	tw_http_error(s, sock, 404, name, port);
	761	}
	762	free(path);
[20]	763	}
[21]	764	free(vhost);
	765	free(host);
[22]	766	} else if(ret == -1) {
[18]	767	} else {
	768	tw_http_error(s, sock, 400, name, port);
[17]	769	}
[70]	770	tw_free_request(&req);
[12]	771	cleanup:
[43]	772	#ifndef NO_SSL
[16]	773	if(sslworks) {
[15]	774	SSL_shutdown(s);
	775	}
	776	SSL_free(s);
[46]	777	#endif
[11]	778	close_socket(sock);
	779	#ifdef __MINGW32__
	780	_endthreadex(0);
[100]	781	#elif defined(__HAIKU__)
[105]	782	exit_thread(0);
[11]	783	#endif
[43]	784	;
[11]	785	}
	786
[62]	787	#ifdef SERVICE
	788	extern SERVICE_STATUS status;
	789	extern SERVICE_STATUS_HANDLE status_handle;
	790	#endif
	791
[101]	792	#if defined(__MINGW32__) \|\| defined(__HAIKU__)
[65]	793	struct thread_entry {
[101]	794	#ifdef __HAIKU__
	795	thread_id thread;
	796	#else
[65]	797	HANDLE handle;
[101]	798	#endif
[65]	799	bool used;
	800	};
	801	#endif
	802
[11]	803	void tw_server_loop(void) {
[9]	804	struct timeval tv;
[68]	805	int i;
[101]	806	#if defined(__MINGW32__) \|\| defined(__HAIKU__)
[65]	807	struct thread_entry threads[2048];
[70]	808	for(i = 0; i < sizeof(threads) / sizeof(threads[0]); i++) {
[65]	809	threads[i].used = false;
	810	}
	811	#endif
[11]	812	while(1) {
[10]	813	FD_ZERO(&fdset);
[11]	814	for(i = 0; i < sockcount; i++) {
[10]	815	FD_SET(sockets[i], &fdset);
	816	}
[9]	817	tv.tv_sec = 1;
	818	tv.tv_usec = 0;
[86]	819	#ifdef __HAIKU__
	820	int ret = select(32, &fdset, NULL, NULL, &tv);
	821	#else
[105]	822	int ret = select(FD_SETSIZE, &fdset, NULL, NULL, &tv);
[86]	823	#endif
[11]	824	if(ret == -1) {
[84]	825	#ifndef __MINGW32__
	826	cm_log("Server", "Select failure: %s", strerror(errno));
	827	#endif
[9]	828	break;
[70]	829	} else if(ret == 0) {
[62]	830	#ifdef SERVICE
[70]	831	if(status.dwCurrentState == SERVICE_STOP_PENDING) {
[62]	832	break;
	833	}
	834	#endif
[11]	835	} else if(ret > 0) {
[9]	836	/* connection */
	837	int i;
[11]	838	for(i = 0; i < sockcount; i++) {
	839	if(FD_ISSET(sockets[i], &fdset)) {
[9]	840	SOCKADDR claddr;
	841	int clen = sizeof(claddr);
	842	int sock = accept(sockets[i], (struct sockaddr*)&claddr, &clen);
[12]	843	cm_log("Server", "New connection accepted");
[97]	844	#if defined(__MINGW32__) \|\| defined(__HAIKU__)
[11]	845	struct pass_entry* e = malloc(sizeof(*e));
	846	e->sock = sock;
	847	e->ssl = config.ports[i] & (1ULL << 32);
[12]	848	e->port = config.ports[i];
[21]	849	e->addr = claddr;
[97]	850	#endif
	851	#ifdef __MINGW32__
[65]	852	int j;
[70]	853	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	854	if(threads[j].used) {
[65]	855	DWORD ex;
	856	GetExitCodeThread(threads[j].handle, &ex);
[70]	857	if(ex != STILL_ACTIVE) {
[65]	858	CloseHandle(threads[j].handle);
	859	threads[j].used = false;
	860	}
	861	}
	862	}
[70]	863	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	864	if(!threads[j].used) {
[65]	865	threads[j].handle = (HANDLE)_beginthreadex(NULL, 0, tw_server_pass, e, 0, NULL);
	866	threads[j].used = true;
	867	break;
	868	}
	869	}
[97]	870	#elif defined(__HAIKU__)
[105]	871	int j;
	872	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	873	if(threads[j].used) {
	874	thread_info info;
	875	bool kill = false;
	876	if(get_thread_info(threads[j].thread, &info) == B_OK) {
	877	} else {
	878	kill = true;
	879	}
	880	if(kill) {
	881	threads[j].used = false;
	882	}
[101]	883	}
[105]	884	}
	885	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	886	if(!threads[j].used) {
	887	threads[j].thread = spawn_thread(tw_server_pass, "Tewi HTTPd", 60, e);
	888	threads[j].used = true;
	889	resume_thread(threads[j].thread);
	890	break;
[101]	891	}
	892	}
[11]	893	#else
	894	pid_t pid = fork();
	895	if(pid == 0) {
[89]	896	int j;
	897	for(j = 0; j < sockcount; j++) close_socket(sockets[j]);
[21]	898	tw_server_pass(sock, config.ports[i] & (1ULL << 32), config.ports[i], claddr);
[11]	899	_exit(0);
	900	} else {
	901	close_socket(sock);
	902	}
	903	#endif
[9]	904	}
	905	}
	906	}
	907	}
	908	}

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source: Main/trunk/Server/server.c@ 116

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