server.c@ 141

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Last change on this file since 141 was 141, checked in by Nishi, on Sep 23, 2024 at 8:37:53 PM
adding new module return
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File size: 25.2 KB

Rev	Line
[8]	1	/* $Id: server.c 141 2024-09-23 11:37:53Z 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
[118]	41	#ifdef USE_POLL
	42	#include <poll.h>
	43	#else
[8]	44	#include <sys/select.h>
[118]	45	#endif
[8]	46	#include <sys/socket.h>
	47	#include <arpa/inet.h>
	48	#include <netinet/in.h>
	49	#include <netinet/tcp.h>
[116]	50	#include <netdb.h>
[8]	51	#endif
	52
[97]	53	#ifdef __HAIKU__
	54	#include <OS.h>
	55	#endif
	56
[8]	57	extern struct tw_config config;
[18]	58	extern char tw_server[];
[8]	59
	60	int sockcount = 0;
	61
[9]	62	SOCKADDR addresses[MAX_PORTS];
	63	int sockets[MAX_PORTS];
[8]	64
[70]	65	#ifdef __MINGW32__
	66	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"};
	67	#endif
	68
[23]	69	/* https://qiita.com/gyu-don/items/5a640c6d2252a860c8cd */
	70	int tw_wildcard_match(const char* wildcard, const char* target) {
	71	const char pw = wildcard, pt = target;
	72
	73	while(1) {
	74	if(*pt == 0) {
	75	while(pw == '') pw++;
	76	return *pw == 0;
	77	} else if(*pw == 0) {
	78	return 0;
	79	} else if(pw == '') {
	80	return *(pw + 1) == 0 \|\| tw_wildcard_match(pw, pt + 1) \|\| tw_wildcard_match(pw + 1, pt);
	81	} else if(pw == '?' \|\| (pw == *pt)) {
	82	pw++;
	83	pt++;
	84	continue;
	85	} else {
	86	return 0;
	87	}
	88	}
	89	}
	90
[8]	91	void close_socket(int sock) {
[88]	92	#if defined(__MINGW32__)
[8]	93	closesocket(sock);
	94	#else
	95	close(sock);
	96	#endif
	97	}
	98
	99	int tw_server_init(void) {
	100	int i;
	101	#ifdef __MINGW32__
	102	WSADATA wsa;
	103	WSAStartup(MAKEWORD(2, 0), &wsa);
	104	#endif
	105	for(i = 0; config.ports[i] != -1; i++)
	106	;
	107	sockcount = i;
	108	for(i = 0; config.ports[i] != -1; i++) {
	109	#ifdef NO_IPV6
	110	int sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
	111	#else
	112	int sock = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
	113	#endif
	114	#ifdef __MINGW32__
	115	if(sock == INVALID_SOCKET)
	116	#else
	117	if(sock < 0)
	118	#endif
	119	{
	120	cm_log("Server", "Socket creation failure");
	121	return 1;
	122	}
	123	int yes = 1;
	124	if(setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(yes)) < 0) {
	125	close_socket(sock);
	126	cm_log("Server", "setsockopt failure (reuseaddr)");
	127	return 1;
	128	}
	129	if(setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(yes)) < 0) {
	130	close_socket(sock);
	131	cm_log("Server", "setsockopt failure (nodelay)");
	132	return 1;
	133	}
	134	#ifndef NO_IPV6
	135	int no = 0;
	136	if(setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&no, sizeof(no)) < 0) {
	137	close_socket(sock);
	138	cm_log("Server", "setsockopt failure (IPv6)");
	139	return 1;
	140	}
	141	#endif
	142	memset(&addresses[i], 0, sizeof(addresses[i]));
	143	#ifdef NO_IPV6
	144	addresses[i].sin_family = AF_INET;
	145	addresses[i].sin_addr.s_addr = INADDR_ANY;
	146	addresses[i].sin_port = htons(config.ports[i]);
	147	#else
	148	addresses[i].sin6_family = AF_INET6;
	149	addresses[i].sin6_addr = in6addr_any;
	150	addresses[i].sin6_port = htons(config.ports[i]);
	151	#endif
	152	if(bind(sock, (struct sockaddr*)&addresses[i], sizeof(addresses[i])) < 0) {
	153	close_socket(sock);
	154	cm_log("Server", "Bind failure");
	155	return 1;
	156	}
	157	if(listen(sock, 128) < 0) {
	158	close_socket(sock);
	159	cm_log("Server", "Listen failure");
	160	return 1;
	161	}
	162	sockets[i] = sock;
	163	}
	164	return 0;
	165	}
[9]	166
[16]	167	size_t tw_read(SSL* ssl, int s, void* data, size_t len) {
[43]	168	#ifndef NO_SSL
[16]	169	if(ssl == NULL) {
	170	return recv(s, data, len, 0);
	171	} else {
	172	return SSL_read(ssl, data, len);
	173	}
[43]	174	#else
	175	return recv(s, data, len, 0);
	176	#endif
[16]	177	}
	178
	179	size_t tw_write(SSL* ssl, int s, void* data, size_t len) {
[43]	180	#ifndef NO_SSL
[16]	181	if(ssl == NULL) {
	182	return send(s, data, len, 0);
	183	} else {
	184	return SSL_write(ssl, data, len);
	185	}
[43]	186	#else
	187	return send(s, data, len, 0);
	188	#endif
[16]	189	}
	190
[20]	191	#define ERROR_HTML \
[18]	192	"<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n" \
	193	"<html>\n" \
	194	" <head>\n" \
[20]	195	" <title>%s</title>\n" \
[18]	196	" </head>\n" \
	197	" <body>\n" \
[20]	198	" <h1>%s</h1>\n" \
[18]	199	" <hr>\n" \
	200	" ", \
	201	address, \
	202	"\n" \
	203	" </body>\n" \
	204	"</html>\n"
	205
[32]	206	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]	207	char construct[512];
[32]	208	if(mtime != 0 && cmtime != 0 && mtime <= cmtime) {
	209	status = "304 Not Modified";
	210	type = NULL;
	211	size = 0;
	212	headers = NULL;
	213	f = NULL;
	214	doc = NULL;
	215	}
[18]	216	sprintf(construct, "%llu", (unsigned long long)size);
	217	tw_write(ssl, sock, "HTTP/1.1 ", 9);
	218	tw_write(ssl, sock, (char*)status, strlen(status));
	219	tw_write(ssl, sock, "\r\n", 2);
[24]	220	if(type != NULL) {
	221	tw_write(ssl, sock, "Content-Type: ", 7 + 5 + 2);
	222	tw_write(ssl, sock, (char*)type, strlen(type));
	223	tw_write(ssl, sock, "\r\n", 2);
	224	}
[18]	225	tw_write(ssl, sock, "Server: ", 6 + 2);
	226	tw_write(ssl, sock, tw_server, strlen(tw_server));
	227	tw_write(ssl, sock, "\r\n", 2);
[24]	228	if(size != 0) {
	229	tw_write(ssl, sock, "Content-Length: ", 7 + 7 + 2);
	230	tw_write(ssl, sock, construct, strlen(construct));
	231	tw_write(ssl, sock, "\r\n", 2);
[32]	232	if(mtime != 0) {
	233	struct tm* tm = gmtime(&mtime);
	234	char date[513];
	235	strftime(date, 512, "%a, %d %b %Y %H:%M:%S GMT", tm);
	236	tw_write(ssl, sock, "Last-Modified: ", 5 + 8 + 2);
	237	tw_write(ssl, sock, date, strlen(date));
	238	tw_write(ssl, sock, "\r\n", 2);
	239	}
[24]	240	}
	241	int i;
	242	if(headers != NULL) {
	243	for(i = 0; headers[i] != NULL; i += 2) {
	244	tw_write(ssl, sock, headers[i], strlen(headers[i]));
	245	tw_write(ssl, sock, ": ", 2);
	246	tw_write(ssl, sock, headers[i + 1], strlen(headers[i + 1]));
	247	tw_write(ssl, sock, "\r\n", 2);
	248	}
	249	}
[18]	250	tw_write(ssl, sock, "\r\n", 2);
[24]	251	if(doc == NULL && f == NULL) return;
[18]	252	size_t incr = 0;
	253	while(1) {
[22]	254	if(f != NULL) {
[21]	255	char buffer[128];
	256	fread(buffer, size < 128 ? size : 128, 1, f);
	257	tw_write(ssl, sock, buffer, size < 128 ? size : 128);
[22]	258	} else {
[21]	259	tw_write(ssl, sock, (unsigned char*)doc + incr, size < 128 ? size : 128);
	260	}
[18]	261	incr += 128;
[19]	262	if(size <= 128) break;
[18]	263	size -= 128;
	264	}
	265	}
	266
[32]	267	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]	268
[18]	269	const char* tw_http_status(int code) {
[20]	270	if(code == 200) {
	271	return "200 OK";
[24]	272	} else if(code == 308) {
	273	return "308 Permanent Redirect";
[20]	274	} else if(code == 400) {
[18]	275	return "400 Bad Request";
[20]	276	} else if(code == 401) {
	277	return "401 Unauthorized";
	278	} else if(code == 403) {
	279	return "403 Forbidden";
	280	} else if(code == 404) {
	281	return "404 Not Found";
[18]	282	} else {
	283	return "400 Bad Request";
	284	}
	285	}
	286
[123]	287	char* tw_http_default_error(int code, char* name, int port, struct tw_config_entry* vhost) {
[18]	288	char address[1024];
[20]	289
[123]	290	if((vhost->hideport == -1 ? config.root.hideport : vhost->hideport) == 1) {
	291	sprintf(address, "<address>%s Server at %s</address>", tw_server, name, port);
	292	} else {
	293	sprintf(address, "<address>%s Server at %s Port %d</address>", tw_server, name, port);
	294	}
	295
[20]	296	char* st = cm_strdup(tw_http_status(code));
	297	char* st2;
	298	int i;
	299	for(i = 0; st[i] != 0; i++) {
	300	if(st[i] == ' ') {
	301	st2 = cm_strdup(st + i + 1);
	302	break;
	303	}
[18]	304	}
[20]	305	char* buffer = malloc(4096);
	306	char* str = cm_strcat3(ERROR_HTML);
	307	sprintf(buffer, str, st, st2);
	308	free(str);
	309	free(st);
	310	return buffer;
[18]	311	}
	312
[123]	313	void tw_http_error(SSL* ssl, int sock, int error, char* name, int port, struct tw_config_entry* vhost) {
	314	char* str = tw_http_default_error(error, name, port, vhost);
[32]	315	tw_process_page(ssl, sock, tw_http_status(error), "text/html", NULL, str, strlen(str), 0, 0);
[18]	316	free(str);
	317	}
	318
[20]	319	void addstring(char** str, const char* add, ...) {
	320	int i;
	321	char cbuf[2];
	322	cbuf[1] = 0;
	323	va_list va;
	324	va_start(va, add);
	325	for(i = 0; add[i] != 0; i++) {
	326	cbuf[0] = add[i];
	327	if(add[i] == '%') {
	328	i++;
	329	if(add[i] == 's') {
	330	char* tmp = *str;
	331	str = cm_strcat(tmp, va_arg(va, const char));
	332	free(tmp);
	333	} else if(add[i] == 'h') {
	334	char* h = cm_html_escape(va_arg(va, const char*));
	335	char* tmp = *str;
	336	*str = cm_strcat(tmp, h);
	337	free(tmp);
	338	free(h);
[21]	339	} else if(add[i] == 'l') {
	340	char* h = cm_url_escape(va_arg(va, const char*));
	341	char* tmp = *str;
	342	*str = cm_strcat(tmp, h);
	343	free(tmp);
	344	free(h);
[20]	345	} else if(add[i] == 'd') {
	346	int n = va_arg(va, int);
	347	char* h = malloc(512);
	348	sprintf(h, "%d", n);
	349	char* tmp = *str;
	350	*str = cm_strcat(tmp, h);
	351	free(tmp);
	352	free(h);
	353	} else if(add[i] == '%') {
	354	char* tmp = *str;
	355	*str = cm_strcat(tmp, "%");
	356	free(tmp);
	357	}
	358	} else {
	359	char* tmp = *str;
	360	*str = cm_strcat(tmp, cbuf);
	361	free(tmp);
	362	}
	363	}
[74]	364	va_end(va);
[20]	365	}
	366
[22]	367	char* tw_get_mime(const char* ext, struct tw_config_entry* vhost_entry) {
	368	char* mime = "application/octet-stream";
	369	if(ext == NULL) return mime;
	370	bool set = false;
	371	int i;
	372	for(i = 0; i < vhost_entry->mime_count; i++) {
[23]	373	if(strcmp(vhost_entry->mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(vhost_entry->mimes[i].ext, ext))) {
[22]	374	mime = vhost_entry->mimes[i].mime;
	375	set = true;
	376	}
	377	}
	378	if(!set) {
	379	for(i = 0; i < config.root.mime_count; i++) {
[23]	380	if(strcmp(config.root.mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(config.root.mimes[i].ext, ext))) {
[22]	381	mime = config.root.mimes[i].mime;
	382	}
	383	}
	384	}
	385	return mime;
	386	}
	387
	388	char* tw_get_icon(const char* mime, struct tw_config_entry* vhost_entry) {
	389	char* icon = "";
	390	if(mime == NULL) return "";
	391	bool set = false;
	392	int i;
	393	for(i = 0; i < vhost_entry->icon_count; i++) {
[23]	394	if(strcmp(vhost_entry->icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(vhost_entry->icons[i].mime, mime))) {
[22]	395	icon = vhost_entry->icons[i].icon;
	396	set = true;
	397	}
	398	}
	399	if(!set) {
	400	for(i = 0; i < config.root.icon_count; i++) {
[23]	401	if(strcmp(config.root.icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(config.root.icons[i].mime, mime))) {
[22]	402	icon = config.root.icons[i].icon;
	403	}
	404	}
	405	}
	406	return icon;
	407	}
	408
[11]	409	struct pass_entry {
	410	int sock;
[12]	411	int port;
[11]	412	bool ssl;
[21]	413	SOCKADDR addr;
[11]	414	};
	415
[97]	416	#ifdef __MINGW32__
[11]	417	unsigned int WINAPI tw_server_pass(void* ptr) {
[97]	418	#elif defined(__HAIKU__)
	419	int32_t tw_server_pass(void* ptr) {
[105]	420	#endif
	421	#if defined(__HAIKU__) \|\| defined(__MINGW32__)
[11]	422	int sock = ((struct pass_entry*)ptr)->sock;
	423	bool ssl = ((struct pass_entry*)ptr)->ssl;
[14]	424	int port = ((struct pass_entry*)ptr)->port;
[21]	425	SOCKADDR addr = ((struct pass_entry*)ptr)->addr;
[12]	426	free(ptr);
[11]	427	#else
[105]	428	void tw_server_pass(int sock, bool ssl, int port, SOCKADDR addr) {
[11]	429	#endif
[13]	430	char* name = config.hostname;
	431
[43]	432	#ifndef NO_SSL
[12]	433	SSL_CTX* ctx = NULL;
	434	SSL* s = NULL;
[15]	435	bool sslworks = false;
[12]	436	if(ssl) {
	437	ctx = tw_create_ssl_ctx(port);
	438	s = SSL_new(ctx);
	439	SSL_set_fd(s, sock);
	440	if(SSL_accept(s) <= 0) goto cleanup;
[15]	441	sslworks = true;
[12]	442	}
[43]	443	#else
[105]	444	void* s = NULL;
[43]	445	#endif
[116]	446
	447	char address[513];
	448	address[0] = 0;
	449	struct sockaddr* sa = (struct sockaddr*)&addr;
	450	getnameinfo(sa, sizeof(addr), address, 512, NULL, 0, NI_NUMERICHOST);
	451
[16]	452	struct tw_http_request req;
[20]	453	struct tw_http_response res;
	454	struct tw_tool tools;
	455	res._processed = false;
	456	tw_init_tools(&tools);
[16]	457	int ret = tw_http_parse(s, sock, &req);
[17]	458	if(ret == 0) {
[116]	459	char date[513];
	460	time_t t = time(NULL);
	461	struct tm* tm = localtime(&t);
	462	strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
	463
	464	char* useragent = cm_strdup("");
	465
	466	int i;
[117]	467	for(i = 0; req.headers[i] != NULL; i += 2) {
	468	if(cm_strcaseequ(req.headers[i], "User-Agent")) {
[116]	469	free(useragent);
	470	useragent = cm_strdup(req.headers[i + 1]);
	471	}
	472	}
	473
	474	char* tmp = cm_strcat3(address, " - [", date);
	475	char* tmp2 = cm_strcat3(tmp, "] \"", req.method);
	476	char* tmp3 = cm_strcat3(tmp2, " ", req.path);
	477	char* tmp4 = cm_strcat3(tmp3, " ", req.version);
	478	char* tmp5 = cm_strcat3(tmp4, "\" \"", useragent);
	479	char* log = cm_strcat(tmp5, "\"");
	480	free(tmp);
	481	free(tmp2);
	482	free(tmp3);
	483	free(tmp4);
	484	free(tmp5);
	485	free(useragent);
	486	cm_force_log(log);
	487	free(log);
	488
[21]	489	char* vhost = cm_strdup(config.hostname);
[32]	490	time_t cmtime = 0;
[70]	491	if(req.headers != NULL) {
[64]	492	for(i = 0; req.headers[i] != NULL; i += 2) {
	493	if(cm_strcaseequ(req.headers[i], "Host")) {
	494	free(vhost);
	495	vhost = cm_strdup(req.headers[i + 1]);
	496	} else if(cm_strcaseequ(req.headers[i], "If-Modified-Since")) {
	497	struct tm tm;
	498	strptime(req.headers[i + 1], "%a, %d %b %Y %H:%M:%S GMT", &tm);
[32]	499	#ifdef __MINGW32__
[64]	500	time_t t = 0;
	501	struct tm* btm = localtime(&t);
	502	cmtime = mktime(&tm);
	503	cmtime -= (btm->tm_hour * 60 + btm->tm_min) * 60;
[32]	504	#else
[140]	505	cmtime = timegm(&tm);
[32]	506	#endif
[64]	507	}
[21]	508	}
	509	}
	510	cm_log("Server", "Host is %s", vhost);
	511	int port = s == NULL ? 80 : 443;
	512	char* host = cm_strdup(vhost);
[22]	513	for(i = 0; vhost[i] != 0; i++) {
	514	if(vhost[i] == ':') {
[21]	515	host[i] = 0;
	516	port = atoi(host + i + 1);
	517	break;
	518	}
	519	}
[136]	520	name = host;
[21]	521	cm_log("Server", "Hostname is `%s', port is `%d'", host, port);
	522	struct tw_config_entry* vhost_entry = tw_vhost_match(host, port);
[20]	523	for(i = 0; i < config.module_count; i++) {
	524	tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "mod_request");
	525	if(mod_req != NULL) {
	526	int ret = mod_req(&tools, &req, &res);
	527	int co = ret & 0xff;
[141]	528	if(co == _TW_MODULE_PASS) {
	529	continue;
	530	} else if(co == _TW_MODULE_STOP) {
	531	/* Handle response here ... */
[20]	532	res._processed = true;
	533	break;
[141]	534	} else if(co == _TW_MODULE_STOP2) {
	535	res._processed = true;
	536	break;
	537	} else if(co == _TW_MODULE_ERROR) {
[123]	538	tw_http_error(s, sock, (ret & 0xffff00) >> 8, name, port, vhost_entry);
[20]	539	break;
	540	}
	541	}
	542	}
	543	if(!res._processed) {
[21]	544	cm_log("Server", "Document root is %s", vhost_entry->root == NULL ? "not set" : vhost_entry->root);
	545	char* path = cm_strcat(vhost_entry->root == NULL ? "" : vhost_entry->root, req.path);
	546	cm_log("Server", "Filesystem path is %s", path);
[70]	547	bool rej = false;
	548	#ifdef __MINGW32__
[71]	549	char* rpath = cm_strdup(path);
[72]	550	for(i = strlen(rpath) - 1; i >= 0; i--) {
[73]	551	if(rpath[i] == '/') {
	552	int j;
	553	for(j = i + 1; rpath[j] != 0; j++) {
	554	if(rpath[j] == ':' \|\| rpath[j] == '.') {
	555	rpath[j] = 0;
	556	break;
	557	}
	558	}
[71]	559	break;
	560	}
	561	}
[70]	562	for(i = 0; i < sizeof(reserved_names) / sizeof(reserved_names[0]); i++) {
	563	char* n = cm_strcat("/", reserved_names[i]);
[71]	564	if(cm_nocase_endswith(rpath, n)) {
[124]	565	tw_http_error(s, sock, 403, name, port, vhost_entry);
[70]	566	free(n);
	567	rej = true;
	568	cm_log("Server", "XP Patch ; rejecting access to device");
	569	break;
	570	}
	571	free(n);
	572	}
[71]	573	free(rpath);
[70]	574	#endif
[21]	575	struct stat st;
[70]	576	if(!rej && stat(path, &st) == 0) {
[22]	577	if(!tw_permission_allowed(path, addr, req, vhost_entry)) {
[123]	578	tw_http_error(s, sock, 403, name, port, vhost_entry);
[22]	579	} else if(S_ISDIR(st.st_mode)) {
[24]	580	if(req.path[strlen(req.path) - 1] != '/') {
[61]	581	cm_log("Server", "Accessing directory without the slash at the end");
[24]	582	char* headers[3] = {"Location", cm_strcat(req.path, "/"), NULL};
[32]	583	_tw_process_page(s, sock, tw_http_status(308), NULL, NULL, NULL, 0, headers, 0, 0);
[24]	584	free(headers[1]);
	585	} else {
	586	char** indexes = vhost_entry->index_count == 0 ? config.root.indexes : vhost_entry->indexes;
	587	int index_count = vhost_entry->index_count == 0 ? config.root.index_count : vhost_entry->index_count;
	588	bool found = false;
	589	for(i = 0; i < index_count; i++) {
	590	char* p = cm_strcat3(path, "/", indexes[i]);
	591	FILE* f = fopen(p, "rb");
	592	if(f != NULL) {
	593	char* ext = NULL;
	594	int j;
	595	for(j = strlen(p) - 1; j >= 0; j--) {
	596	if(p[j] == '.') {
	597	ext = cm_strdup(p + j);
	598	break;
	599	} else if(p[j] == '/') {
	600	break;
	601	}
[22]	602	}
[24]	603	struct stat st;
	604	stat(p, &st);
	605	char* mime = tw_get_mime(ext, vhost_entry);
[32]	606	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, 0, 0);
[24]	607	fclose(f);
[74]	608	if(ext != NULL) free(ext);
[24]	609	free(p);
	610	found = true;
	611	break;
[22]	612	}
[24]	613	free(p);
	614	}
	615	if(!found) {
	616	char* str = malloc(1);
	617	str[0] = 0;
	618	char** items = cm_scandir(path);
[122]	619	addstring(&str, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n");
[24]	620	addstring(&str, "<html>\n");
	621	addstring(&str, " <head>\n");
	622	addstring(&str, " <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n");
[122]	623	addstring(&str, " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n");
[24]	624	addstring(&str, " <title>Index of %h</title>\n", req.path);
	625	addstring(&str, " </head>\n");
	626	addstring(&str, " <body>\n");
	627	addstring(&str, " <h1>Index of %h</h1>\n", req.path);
	628	addstring(&str, " <hr>\n");
	629	addstring(&str, " <table border=\"0\">\n");
	630	addstring(&str, " <tr>\n");
	631	addstring(&str, " <th></th>\n");
	632	addstring(&str, " <th>Filename</th>\n");
[28]	633	addstring(&str, " <th>MIME</th>\n");
	634	addstring(&str, " <th>Size</th>\n");
[24]	635	addstring(&str, " </tr>\n");
[33]	636	int readme = -1;
	637	char** readmes = vhost_entry->readme_count == 0 ? config.root.readmes : vhost_entry->readmes;
	638	int readme_count = vhost_entry->readme_count == 0 ? config.root.readme_count : vhost_entry->readme_count;
[24]	639	if(items != NULL) {
[29]	640	int phase = 0;
	641	doit:
[24]	642	for(i = 0; items[i] != NULL; i++) {
[33]	643	int j;
[28]	644	char* fpth = cm_strcat3(path, "/", items[i]);
	645	struct stat s;
	646	char size[512];
	647	size[0] = 0;
	648	stat(fpth, &s);
[29]	649	if(phase == 0 && !S_ISDIR(s.st_mode)) {
	650	free(fpth);
	651	continue;
	652	} else if(phase == 1 && S_ISDIR(s.st_mode)) {
	653	free(fpth);
	654	continue;
	655	}
[33]	656	if(readme == -1) {
	657	for(j = 0; j < readme_count; j++) {
	658	if(strcmp(items[i], readmes[j]) == 0) {
	659	readme = j;
	660	break;
	661	}
	662	}
	663	if(readme != -1) {
	664	free(fpth);
	665	continue;
	666	}
	667	}
[29]	668	if(s.st_size < 1024ULL) {
[31]	669	sprintf(size, "%d", (int)s.st_size);
[29]	670	} else if(s.st_size < 1024ULL * 1024) {
	671	sprintf(size, "%.1fK", (double)s.st_size / 1024);
	672	} else if(s.st_size < 1024ULL * 1024 * 1024) {
	673	sprintf(size, "%.1fM", (double)s.st_size / 1024 / 1024);
	674	} else if(s.st_size < 1024ULL * 1024 * 1024 * 1024) {
	675	sprintf(size, "%.1fG", (double)s.st_size / 1024 / 1024 / 1024);
	676	} else if(s.st_size < 1024ULL * 1024 * 1024 * 1024 * 1024) {
	677	sprintf(size, "%.1fT", (double)s.st_size / 1024 / 1024 / 1024 / 1024);
[28]	678	}
	679
	680	free(fpth);
	681
[24]	682	char* ext = NULL;
	683	for(j = strlen(items[i]) - 1; j >= 0; j--) {
	684	if(items[i][j] == '.') {
	685	ext = cm_strdup(items[i] + j);
	686	break;
	687	} else if(items[i][j] == '/') {
	688	break;
	689	}
	690	}
[28]	691	char* showmime = "";
[24]	692	char* mime = tw_get_mime(ext, vhost_entry);
	693	if(strcmp(items[i], "../") == 0) {
	694	mime = "misc/parent";
[29]	695	size[0] = 0;
[24]	696	} else if(items[i][strlen(items[i]) - 1] == '/') {
	697	mime = "misc/dir";
[29]	698	size[0] = 0;
	699	} else {
[28]	700	showmime = mime;
[24]	701	}
	702	char* icon = tw_get_icon(mime, vhost_entry);
	703	if(ext != NULL) free(ext);
	704	char* itm = cm_strdup(items[i]);
	705	if(strlen(itm) >= 32) {
	706	if(itm[strlen(itm) - 1] == '/') {
	707	itm[31] = 0;
	708	itm[30] = '/';
	709	itm[29] = '.';
	710	itm[28] = '.';
	711	itm[27] = '.';
	712	} else {
	713	itm[31] = 0;
	714	itm[30] = '.';
	715	itm[29] = '.';
	716	itm[28] = '.';
	717	}
	718	}
	719	addstring(&str, "<tr>\n");
	720	addstring(&str, " <td><img src=\"%s\" alt=\"icon\"></td>\n", icon);
	721	addstring(&str, " <td><a href=\"%l\"><code>%h</code></a></td>\n", items[i], itm);
[60]	722	addstring(&str, " <td><code> %h </code></td>\n", showmime);
	723	addstring(&str, " <td><code> %s </code></td>\n", size);
[24]	724	addstring(&str, "</tr>\n");
	725	free(itm);
[22]	726	}
[29]	727	phase++;
	728	if(phase != 2) goto doit;
	729	for(i = 0; items[i] != NULL; i++) free(items[i]);
	730	free(items);
[22]	731	}
[24]	732	addstring(&str, " </table>\n");
[33]	733	if(readme != -1) {
	734	addstring(&str, "<hr>\n");
	735	char* fpth = cm_strcat3(path, "/", readmes[readme]);
	736	struct stat s;
	737	stat(fpth, &s);
	738	FILE* fr = fopen(fpth, "r");
	739	if(fr != NULL) {
	740	char* rmbuf = malloc(s.st_size + 1);
	741	rmbuf[s.st_size] = 0;
	742	fread(rmbuf, s.st_size, 1, fr);
	743	addstring(&str, "<pre><code>%h</code></pre>\n", rmbuf);
	744	fclose(fr);
[70]	745	free(rmbuf);
[33]	746	}
[66]	747	free(fpth);
[33]	748	}
[24]	749	addstring(&str, " <hr>\n");
[123]	750	int hp = vhost_entry->hideport == -1 ? config.root.hideport : vhost_entry->hideport;
	751	if(hp == 0) {
	752	addstring(&str, " <address>%s Server at %s Port %d</address>\n", tw_server, name, port);
	753	} else {
	754	addstring(&str, " <address>%s Server at %s</address>\n", tw_server, name, port);
	755	}
[24]	756	addstring(&str, " </body>\n");
	757	addstring(&str, "</html>\n");
[32]	758	tw_process_page(s, sock, tw_http_status(200), "text/html", NULL, str, strlen(str), 0, 0);
[24]	759	free(str);
[21]	760	}
	761	}
[22]	762	} else {
[21]	763	char* ext = NULL;
[22]	764	for(i = strlen(req.path) - 1; i >= 0; i--) {
	765	if(req.path[i] == '.') {
[21]	766	ext = cm_strdup(req.path + i);
	767	break;
[24]	768	} else if(req.path[i] == '/') {
	769	break;
[21]	770	}
	771	}
[22]	772	char* mime = tw_get_mime(ext, vhost_entry);
[21]	773	if(ext != NULL) free(ext);
	774	FILE* f = fopen(path, "rb");
[32]	775	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, st.st_mtime, cmtime);
[21]	776	fclose(f);
	777	}
[22]	778	} else {
[123]	779	tw_http_error(s, sock, 404, name, port, vhost_entry);
[21]	780	}
	781	free(path);
[20]	782	}
[21]	783	free(vhost);
	784	free(host);
[22]	785	} else if(ret == -1) {
[18]	786	} else {
[123]	787	tw_http_error(s, sock, 400, name, port, &config.root);
[17]	788	}
[70]	789	tw_free_request(&req);
[12]	790	cleanup:
[43]	791	#ifndef NO_SSL
[16]	792	if(sslworks) {
[15]	793	SSL_shutdown(s);
	794	}
	795	SSL_free(s);
[46]	796	#endif
[11]	797	close_socket(sock);
	798	#ifdef __MINGW32__
	799	_endthreadex(0);
[100]	800	#elif defined(__HAIKU__)
[105]	801	exit_thread(0);
[11]	802	#endif
[43]	803	;
[11]	804	}
	805
[62]	806	#ifdef SERVICE
	807	extern SERVICE_STATUS status;
	808	extern SERVICE_STATUS_HANDLE status_handle;
	809	#endif
	810
[101]	811	#if defined(__MINGW32__) \|\| defined(__HAIKU__)
[65]	812	struct thread_entry {
[101]	813	#ifdef __HAIKU__
	814	thread_id thread;
	815	#else
[65]	816	HANDLE handle;
[101]	817	#endif
[65]	818	bool used;
	819	};
	820	#endif
	821
[11]	822	void tw_server_loop(void) {
[68]	823	int i;
[101]	824	#if defined(__MINGW32__) \|\| defined(__HAIKU__)
[65]	825	struct thread_entry threads[2048];
[70]	826	for(i = 0; i < sizeof(threads) / sizeof(threads[0]); i++) {
[65]	827	threads[i].used = false;
	828	}
	829	#endif
[118]	830	#ifdef USE_POLL
	831	struct pollfd pollfds[sockcount];
	832	for(i = 0; i < sockcount; i++) {
	833	pollfds[i].fd = sockets[i];
	834	pollfds[i].events = POLLIN \| POLLPRI;
	835	}
	836	#else
	837	fd_set fdset;
	838	struct timeval tv;
	839	#endif
[11]	840	while(1) {
[118]	841	#ifdef USE_POLL
	842	int ret = poll(pollfds, sockcount, 1000);
	843	#else
	844	FD_ZERO(&fdset);
	845	for(i = 0; i < sockcount; i++) {
	846	FD_SET(sockets[i], &fdset);
	847	}
	848	tv.tv_sec = 1;
	849	tv.tv_usec = 0;
[86]	850	#ifdef __HAIKU__
[118]	851	int ret = select(32, &fdset, NULL, NULL, &tv);
[86]	852	#else
[105]	853	int ret = select(FD_SETSIZE, &fdset, NULL, NULL, &tv);
[86]	854	#endif
[118]	855	#endif
[11]	856	if(ret == -1) {
[84]	857	#ifndef __MINGW32__
	858	cm_log("Server", "Select failure: %s", strerror(errno));
	859	#endif
[9]	860	break;
[70]	861	} else if(ret == 0) {
[62]	862	#ifdef SERVICE
[70]	863	if(status.dwCurrentState == SERVICE_STOP_PENDING) {
[62]	864	break;
	865	}
	866	#endif
[11]	867	} else if(ret > 0) {
[9]	868	/* connection */
	869	int i;
[11]	870	for(i = 0; i < sockcount; i++) {
[118]	871	bool cond;
	872	#ifdef USE_POLL
	873	cond = pollfds[i].revents & POLLIN;
	874	#else
	875	cond = FD_ISSET(sockets[i], &fdset);
	876	#endif
	877	if(cond) {
[9]	878	SOCKADDR claddr;
	879	int clen = sizeof(claddr);
	880	int sock = accept(sockets[i], (struct sockaddr*)&claddr, &clen);
[12]	881	cm_log("Server", "New connection accepted");
[97]	882	#if defined(__MINGW32__) \|\| defined(__HAIKU__)
[11]	883	struct pass_entry* e = malloc(sizeof(*e));
	884	e->sock = sock;
	885	e->ssl = config.ports[i] & (1ULL << 32);
[12]	886	e->port = config.ports[i];
[21]	887	e->addr = claddr;
[97]	888	#endif
	889	#ifdef __MINGW32__
[65]	890	int j;
[70]	891	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	892	if(threads[j].used) {
[65]	893	DWORD ex;
	894	GetExitCodeThread(threads[j].handle, &ex);
[70]	895	if(ex != STILL_ACTIVE) {
[65]	896	CloseHandle(threads[j].handle);
	897	threads[j].used = false;
	898	}
	899	}
	900	}
[70]	901	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	902	if(!threads[j].used) {
[65]	903	threads[j].handle = (HANDLE)_beginthreadex(NULL, 0, tw_server_pass, e, 0, NULL);
	904	threads[j].used = true;
	905	break;
	906	}
	907	}
[97]	908	#elif defined(__HAIKU__)
[105]	909	int j;
	910	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	911	if(threads[j].used) {
	912	thread_info info;
	913	bool kill = false;
	914	if(get_thread_info(threads[j].thread, &info) == B_OK) {
	915	} else {
	916	kill = true;
	917	}
	918	if(kill) {
	919	threads[j].used = false;
	920	}
[101]	921	}
[105]	922	}
	923	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	924	if(!threads[j].used) {
	925	threads[j].thread = spawn_thread(tw_server_pass, "Tewi HTTPd", 60, e);
	926	threads[j].used = true;
	927	resume_thread(threads[j].thread);
	928	break;
[101]	929	}
	930	}
[11]	931	#else
	932	pid_t pid = fork();
	933	if(pid == 0) {
[89]	934	int j;
	935	for(j = 0; j < sockcount; j++) close_socket(sockets[j]);
[21]	936	tw_server_pass(sock, config.ports[i] & (1ULL << 32), config.ports[i], claddr);
[11]	937	_exit(0);
	938	} else {
	939	close_socket(sock);
	940	}
	941	#endif
[9]	942	}
	943	}
	944	}
	945	}
	946	}

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source: Main/trunk/Server/server.c@ 141

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