server.c@ 118

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Last change on this file since 118 was 118, checked in by Nishi, on Sep 21, 2024 at 6:03:27 PM
use poll for select by default
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File size: 24.5 KB

Rev	Line
[8]	1	/* $Id: server.c 118 2024-09-21 09:03:27Z 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
	287	char* tw_http_default_error(int code, char* name, int port) {
	288	char address[1024];
	289	sprintf(address, "<address>%s Server at %s Port %d</address>", tw_server, name, port);
[20]	290
	291	char* st = cm_strdup(tw_http_status(code));
	292	char* st2;
	293	int i;
	294	for(i = 0; st[i] != 0; i++) {
	295	if(st[i] == ' ') {
	296	st2 = cm_strdup(st + i + 1);
	297	break;
	298	}
[18]	299	}
[20]	300	char* buffer = malloc(4096);
	301	char* str = cm_strcat3(ERROR_HTML);
	302	sprintf(buffer, str, st, st2);
	303	free(str);
	304	free(st);
	305	return buffer;
[18]	306	}
	307
	308	void tw_http_error(SSL* ssl, int sock, int error, char* name, int port) {
	309	char* str = tw_http_default_error(error, name, port);
[32]	310	tw_process_page(ssl, sock, tw_http_status(error), "text/html", NULL, str, strlen(str), 0, 0);
[18]	311	free(str);
	312	}
	313
[20]	314	void addstring(char** str, const char* add, ...) {
	315	int i;
	316	char cbuf[2];
	317	cbuf[1] = 0;
	318	va_list va;
	319	va_start(va, add);
	320	for(i = 0; add[i] != 0; i++) {
	321	cbuf[0] = add[i];
	322	if(add[i] == '%') {
	323	i++;
	324	if(add[i] == 's') {
	325	char* tmp = *str;
	326	str = cm_strcat(tmp, va_arg(va, const char));
	327	free(tmp);
	328	} else if(add[i] == 'h') {
	329	char* h = cm_html_escape(va_arg(va, const char*));
	330	char* tmp = *str;
	331	*str = cm_strcat(tmp, h);
	332	free(tmp);
	333	free(h);
[21]	334	} else if(add[i] == 'l') {
	335	char* h = cm_url_escape(va_arg(va, const char*));
	336	char* tmp = *str;
	337	*str = cm_strcat(tmp, h);
	338	free(tmp);
	339	free(h);
[20]	340	} else if(add[i] == 'd') {
	341	int n = va_arg(va, int);
	342	char* h = malloc(512);
	343	sprintf(h, "%d", n);
	344	char* tmp = *str;
	345	*str = cm_strcat(tmp, h);
	346	free(tmp);
	347	free(h);
	348	} else if(add[i] == '%') {
	349	char* tmp = *str;
	350	*str = cm_strcat(tmp, "%");
	351	free(tmp);
	352	}
	353	} else {
	354	char* tmp = *str;
	355	*str = cm_strcat(tmp, cbuf);
	356	free(tmp);
	357	}
	358	}
[74]	359	va_end(va);
[20]	360	}
	361
[22]	362	char* tw_get_mime(const char* ext, struct tw_config_entry* vhost_entry) {
	363	char* mime = "application/octet-stream";
	364	if(ext == NULL) return mime;
	365	bool set = false;
	366	int i;
	367	for(i = 0; i < vhost_entry->mime_count; i++) {
[23]	368	if(strcmp(vhost_entry->mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(vhost_entry->mimes[i].ext, ext))) {
[22]	369	mime = vhost_entry->mimes[i].mime;
	370	set = true;
	371	}
	372	}
	373	if(!set) {
	374	for(i = 0; i < config.root.mime_count; i++) {
[23]	375	if(strcmp(config.root.mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(config.root.mimes[i].ext, ext))) {
[22]	376	mime = config.root.mimes[i].mime;
	377	}
	378	}
	379	}
	380	return mime;
	381	}
	382
	383	char* tw_get_icon(const char* mime, struct tw_config_entry* vhost_entry) {
	384	char* icon = "";
	385	if(mime == NULL) return "";
	386	bool set = false;
	387	int i;
	388	for(i = 0; i < vhost_entry->icon_count; i++) {
[23]	389	if(strcmp(vhost_entry->icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(vhost_entry->icons[i].mime, mime))) {
[22]	390	icon = vhost_entry->icons[i].icon;
	391	set = true;
	392	}
	393	}
	394	if(!set) {
	395	for(i = 0; i < config.root.icon_count; i++) {
[23]	396	if(strcmp(config.root.icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(config.root.icons[i].mime, mime))) {
[22]	397	icon = config.root.icons[i].icon;
	398	}
	399	}
	400	}
	401	return icon;
	402	}
	403
[11]	404	struct pass_entry {
	405	int sock;
[12]	406	int port;
[11]	407	bool ssl;
[21]	408	SOCKADDR addr;
[11]	409	};
	410
[97]	411	#ifdef __MINGW32__
[11]	412	unsigned int WINAPI tw_server_pass(void* ptr) {
[97]	413	#elif defined(__HAIKU__)
	414	int32_t tw_server_pass(void* ptr) {
[105]	415	#endif
	416	#if defined(__HAIKU__) \|\| defined(__MINGW32__)
[11]	417	int sock = ((struct pass_entry*)ptr)->sock;
	418	bool ssl = ((struct pass_entry*)ptr)->ssl;
[14]	419	int port = ((struct pass_entry*)ptr)->port;
[21]	420	SOCKADDR addr = ((struct pass_entry*)ptr)->addr;
[12]	421	free(ptr);
[11]	422	#else
[105]	423	void tw_server_pass(int sock, bool ssl, int port, SOCKADDR addr) {
[11]	424	#endif
[13]	425	char* name = config.hostname;
	426
[43]	427	#ifndef NO_SSL
[12]	428	SSL_CTX* ctx = NULL;
	429	SSL* s = NULL;
[15]	430	bool sslworks = false;
[12]	431	if(ssl) {
	432	ctx = tw_create_ssl_ctx(port);
	433	s = SSL_new(ctx);
	434	SSL_set_fd(s, sock);
	435	if(SSL_accept(s) <= 0) goto cleanup;
[15]	436	sslworks = true;
[12]	437	}
[43]	438	#else
[105]	439	void* s = NULL;
[43]	440	#endif
[116]	441
	442	char address[513];
	443	address[0] = 0;
	444	struct sockaddr* sa = (struct sockaddr*)&addr;
	445	getnameinfo(sa, sizeof(addr), address, 512, NULL, 0, NI_NUMERICHOST);
	446
[16]	447	struct tw_http_request req;
[20]	448	struct tw_http_response res;
	449	struct tw_tool tools;
	450	res._processed = false;
	451	tw_init_tools(&tools);
[16]	452	int ret = tw_http_parse(s, sock, &req);
[17]	453	if(ret == 0) {
[116]	454	char date[513];
	455	time_t t = time(NULL);
	456	struct tm* tm = localtime(&t);
	457	strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
	458
	459	char* useragent = cm_strdup("");
	460
	461	int i;
[117]	462	for(i = 0; req.headers[i] != NULL; i += 2) {
	463	if(cm_strcaseequ(req.headers[i], "User-Agent")) {
[116]	464	free(useragent);
	465	useragent = cm_strdup(req.headers[i + 1]);
	466	}
	467	}
	468
	469	char* tmp = cm_strcat3(address, " - [", date);
	470	char* tmp2 = cm_strcat3(tmp, "] \"", req.method);
	471	char* tmp3 = cm_strcat3(tmp2, " ", req.path);
	472	char* tmp4 = cm_strcat3(tmp3, " ", req.version);
	473	char* tmp5 = cm_strcat3(tmp4, "\" \"", useragent);
	474	char* log = cm_strcat(tmp5, "\"");
	475	free(tmp);
	476	free(tmp2);
	477	free(tmp3);
	478	free(tmp4);
	479	free(tmp5);
	480	free(useragent);
	481	cm_force_log(log);
	482	free(log);
	483
[21]	484	char* vhost = cm_strdup(config.hostname);
[32]	485	time_t cmtime = 0;
[70]	486	if(req.headers != NULL) {
[64]	487	for(i = 0; req.headers[i] != NULL; i += 2) {
	488	if(cm_strcaseequ(req.headers[i], "Host")) {
	489	free(vhost);
	490	vhost = cm_strdup(req.headers[i + 1]);
	491	} else if(cm_strcaseequ(req.headers[i], "If-Modified-Since")) {
	492	struct tm tm;
	493	strptime(req.headers[i + 1], "%a, %d %b %Y %H:%M:%S GMT", &tm);
[32]	494	#ifdef __MINGW32__
[64]	495	time_t t = 0;
	496	struct tm* btm = localtime(&t);
	497	cmtime = mktime(&tm);
	498	cmtime -= (btm->tm_hour * 60 + btm->tm_min) * 60;
[32]	499	#else
[105]	500	cmtime = timegm(&tm);
[32]	501	#endif
[64]	502	}
[21]	503	}
	504	}
	505	cm_log("Server", "Host is %s", vhost);
	506	int port = s == NULL ? 80 : 443;
	507	char* host = cm_strdup(vhost);
[22]	508	for(i = 0; vhost[i] != 0; i++) {
	509	if(vhost[i] == ':') {
[21]	510	host[i] = 0;
	511	port = atoi(host + i + 1);
	512	break;
	513	}
	514	}
	515	cm_log("Server", "Hostname is `%s', port is `%d'", host, port);
	516	struct tw_config_entry* vhost_entry = tw_vhost_match(host, port);
[20]	517	for(i = 0; i < config.module_count; i++) {
	518	tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "mod_request");
	519	if(mod_req != NULL) {
	520	int ret = mod_req(&tools, &req, &res);
	521	int co = ret & 0xff;
	522	if(co == _TW_MODULE_PASS) continue;
	523	if(co == _TW_MODULE_STOP) {
	524	res._processed = true;
	525	break;
	526	}
	527	if(co == _TW_MODULE_ERROR) {
	528	tw_http_error(s, sock, (ret & 0xffff00) >> 8, name, port);
	529	break;
	530	}
	531	}
	532	}
	533	if(!res._processed) {
[21]	534	cm_log("Server", "Document root is %s", vhost_entry->root == NULL ? "not set" : vhost_entry->root);
	535	char* path = cm_strcat(vhost_entry->root == NULL ? "" : vhost_entry->root, req.path);
	536	cm_log("Server", "Filesystem path is %s", path);
[70]	537	bool rej = false;
	538	#ifdef __MINGW32__
[71]	539	char* rpath = cm_strdup(path);
[72]	540	for(i = strlen(rpath) - 1; i >= 0; i--) {
[73]	541	if(rpath[i] == '/') {
	542	int j;
	543	for(j = i + 1; rpath[j] != 0; j++) {
	544	if(rpath[j] == ':' \|\| rpath[j] == '.') {
	545	rpath[j] = 0;
	546	break;
	547	}
	548	}
[71]	549	break;
	550	}
	551	}
[70]	552	for(i = 0; i < sizeof(reserved_names) / sizeof(reserved_names[0]); i++) {
	553	char* n = cm_strcat("/", reserved_names[i]);
[71]	554	if(cm_nocase_endswith(rpath, n)) {
[70]	555	tw_http_error(s, sock, 403, name, port);
	556	free(n);
	557	rej = true;
	558	cm_log("Server", "XP Patch ; rejecting access to device");
	559	break;
	560	}
	561	free(n);
	562	}
[71]	563	free(rpath);
[70]	564	#endif
[21]	565	struct stat st;
[70]	566	if(!rej && stat(path, &st) == 0) {
[22]	567	if(!tw_permission_allowed(path, addr, req, vhost_entry)) {
[21]	568	tw_http_error(s, sock, 403, name, port);
[22]	569	} else if(S_ISDIR(st.st_mode)) {
[24]	570	if(req.path[strlen(req.path) - 1] != '/') {
[61]	571	cm_log("Server", "Accessing directory without the slash at the end");
[24]	572	char* headers[3] = {"Location", cm_strcat(req.path, "/"), NULL};
[32]	573	_tw_process_page(s, sock, tw_http_status(308), NULL, NULL, NULL, 0, headers, 0, 0);
[24]	574	free(headers[1]);
	575	} else {
	576	char** indexes = vhost_entry->index_count == 0 ? config.root.indexes : vhost_entry->indexes;
	577	int index_count = vhost_entry->index_count == 0 ? config.root.index_count : vhost_entry->index_count;
	578	bool found = false;
	579	for(i = 0; i < index_count; i++) {
	580	char* p = cm_strcat3(path, "/", indexes[i]);
	581	FILE* f = fopen(p, "rb");
	582	if(f != NULL) {
	583	char* ext = NULL;
	584	int j;
	585	for(j = strlen(p) - 1; j >= 0; j--) {
	586	if(p[j] == '.') {
	587	ext = cm_strdup(p + j);
	588	break;
	589	} else if(p[j] == '/') {
	590	break;
	591	}
[22]	592	}
[24]	593	struct stat st;
	594	stat(p, &st);
	595	char* mime = tw_get_mime(ext, vhost_entry);
[32]	596	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, 0, 0);
[24]	597	fclose(f);
[74]	598	if(ext != NULL) free(ext);
[24]	599	free(p);
	600	found = true;
	601	break;
[22]	602	}
[24]	603	free(p);
	604	}
	605	if(!found) {
	606	char* str = malloc(1);
	607	str[0] = 0;
	608	char** items = cm_scandir(path);
	609	addstring(&str, "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n");
	610	addstring(&str, "<html>\n");
	611	addstring(&str, " <head>\n");
	612	addstring(&str, " <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n");
	613	addstring(&str, " <title>Index of %h</title>\n", req.path);
	614	addstring(&str, " </head>\n");
	615	addstring(&str, " <body>\n");
	616	addstring(&str, " <h1>Index of %h</h1>\n", req.path);
	617	addstring(&str, " <hr>\n");
	618	addstring(&str, " <table border=\"0\">\n");
	619	addstring(&str, " <tr>\n");
	620	addstring(&str, " <th></th>\n");
	621	addstring(&str, " <th>Filename</th>\n");
[28]	622	addstring(&str, " <th>MIME</th>\n");
	623	addstring(&str, " <th>Size</th>\n");
[24]	624	addstring(&str, " </tr>\n");
[33]	625	int readme = -1;
	626	char** readmes = vhost_entry->readme_count == 0 ? config.root.readmes : vhost_entry->readmes;
	627	int readme_count = vhost_entry->readme_count == 0 ? config.root.readme_count : vhost_entry->readme_count;
[24]	628	if(items != NULL) {
[29]	629	int phase = 0;
	630	doit:
[24]	631	for(i = 0; items[i] != NULL; i++) {
[33]	632	int j;
[28]	633	char* fpth = cm_strcat3(path, "/", items[i]);
	634	struct stat s;
	635	char size[512];
	636	size[0] = 0;
	637	stat(fpth, &s);
[29]	638	if(phase == 0 && !S_ISDIR(s.st_mode)) {
	639	free(fpth);
	640	continue;
	641	} else if(phase == 1 && S_ISDIR(s.st_mode)) {
	642	free(fpth);
	643	continue;
	644	}
[33]	645	if(readme == -1) {
	646	for(j = 0; j < readme_count; j++) {
	647	if(strcmp(items[i], readmes[j]) == 0) {
	648	readme = j;
	649	break;
	650	}
	651	}
	652	if(readme != -1) {
	653	free(fpth);
	654	continue;
	655	}
	656	}
[29]	657	if(s.st_size < 1024ULL) {
[31]	658	sprintf(size, "%d", (int)s.st_size);
[29]	659	} else if(s.st_size < 1024ULL * 1024) {
	660	sprintf(size, "%.1fK", (double)s.st_size / 1024);
	661	} else if(s.st_size < 1024ULL * 1024 * 1024) {
	662	sprintf(size, "%.1fM", (double)s.st_size / 1024 / 1024);
	663	} else if(s.st_size < 1024ULL * 1024 * 1024 * 1024) {
	664	sprintf(size, "%.1fG", (double)s.st_size / 1024 / 1024 / 1024);
	665	} else if(s.st_size < 1024ULL * 1024 * 1024 * 1024 * 1024) {
	666	sprintf(size, "%.1fT", (double)s.st_size / 1024 / 1024 / 1024 / 1024);
[28]	667	}
	668
	669	free(fpth);
	670
[24]	671	char* ext = NULL;
	672	for(j = strlen(items[i]) - 1; j >= 0; j--) {
	673	if(items[i][j] == '.') {
	674	ext = cm_strdup(items[i] + j);
	675	break;
	676	} else if(items[i][j] == '/') {
	677	break;
	678	}
	679	}
[28]	680	char* showmime = "";
[24]	681	char* mime = tw_get_mime(ext, vhost_entry);
	682	if(strcmp(items[i], "../") == 0) {
	683	mime = "misc/parent";
[29]	684	size[0] = 0;
[24]	685	} else if(items[i][strlen(items[i]) - 1] == '/') {
	686	mime = "misc/dir";
[29]	687	size[0] = 0;
	688	} else {
[28]	689	showmime = mime;
[24]	690	}
	691	char* icon = tw_get_icon(mime, vhost_entry);
	692	if(ext != NULL) free(ext);
	693	char* itm = cm_strdup(items[i]);
	694	if(strlen(itm) >= 32) {
	695	if(itm[strlen(itm) - 1] == '/') {
	696	itm[31] = 0;
	697	itm[30] = '/';
	698	itm[29] = '.';
	699	itm[28] = '.';
	700	itm[27] = '.';
	701	} else {
	702	itm[31] = 0;
	703	itm[30] = '.';
	704	itm[29] = '.';
	705	itm[28] = '.';
	706	}
	707	}
	708	addstring(&str, "<tr>\n");
	709	addstring(&str, " <td><img src=\"%s\" alt=\"icon\"></td>\n", icon);
	710	addstring(&str, " <td><a href=\"%l\"><code>%h</code></a></td>\n", items[i], itm);
[60]	711	addstring(&str, " <td><code> %h </code></td>\n", showmime);
	712	addstring(&str, " <td><code> %s </code></td>\n", size);
[24]	713	addstring(&str, "</tr>\n");
	714	free(itm);
[22]	715	}
[29]	716	phase++;
	717	if(phase != 2) goto doit;
	718	for(i = 0; items[i] != NULL; i++) free(items[i]);
	719	free(items);
[22]	720	}
[24]	721	addstring(&str, " </table>\n");
[33]	722	if(readme != -1) {
	723	addstring(&str, "<hr>\n");
	724	char* fpth = cm_strcat3(path, "/", readmes[readme]);
	725	struct stat s;
	726	stat(fpth, &s);
	727	FILE* fr = fopen(fpth, "r");
	728	if(fr != NULL) {
	729	char* rmbuf = malloc(s.st_size + 1);
	730	rmbuf[s.st_size] = 0;
	731	fread(rmbuf, s.st_size, 1, fr);
	732	addstring(&str, "<pre><code>%h</code></pre>\n", rmbuf);
	733	fclose(fr);
[70]	734	free(rmbuf);
[33]	735	}
[66]	736	free(fpth);
[33]	737	}
[24]	738	addstring(&str, " <hr>\n");
	739	addstring(&str, " <address>%s Server at %s Port %d</address>\n", tw_server, name, port);
	740	addstring(&str, " </body>\n");
	741	addstring(&str, "</html>\n");
[32]	742	tw_process_page(s, sock, tw_http_status(200), "text/html", NULL, str, strlen(str), 0, 0);
[24]	743	free(str);
[21]	744	}
	745	}
[22]	746	} else {
[21]	747	char* ext = NULL;
[22]	748	for(i = strlen(req.path) - 1; i >= 0; i--) {
	749	if(req.path[i] == '.') {
[21]	750	ext = cm_strdup(req.path + i);
	751	break;
[24]	752	} else if(req.path[i] == '/') {
	753	break;
[21]	754	}
	755	}
[22]	756	char* mime = tw_get_mime(ext, vhost_entry);
[21]	757	if(ext != NULL) free(ext);
	758	FILE* f = fopen(path, "rb");
[32]	759	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, st.st_mtime, cmtime);
[21]	760	fclose(f);
	761	}
[22]	762	} else {
[21]	763	tw_http_error(s, sock, 404, name, port);
	764	}
	765	free(path);
[20]	766	}
[21]	767	free(vhost);
	768	free(host);
[22]	769	} else if(ret == -1) {
[18]	770	} else {
	771	tw_http_error(s, sock, 400, name, port);
[17]	772	}
[70]	773	tw_free_request(&req);
[12]	774	cleanup:
[43]	775	#ifndef NO_SSL
[16]	776	if(sslworks) {
[15]	777	SSL_shutdown(s);
	778	}
	779	SSL_free(s);
[46]	780	#endif
[11]	781	close_socket(sock);
	782	#ifdef __MINGW32__
	783	_endthreadex(0);
[100]	784	#elif defined(__HAIKU__)
[105]	785	exit_thread(0);
[11]	786	#endif
[43]	787	;
[11]	788	}
	789
[62]	790	#ifdef SERVICE
	791	extern SERVICE_STATUS status;
	792	extern SERVICE_STATUS_HANDLE status_handle;
	793	#endif
	794
[101]	795	#if defined(__MINGW32__) \|\| defined(__HAIKU__)
[65]	796	struct thread_entry {
[101]	797	#ifdef __HAIKU__
	798	thread_id thread;
	799	#else
[65]	800	HANDLE handle;
[101]	801	#endif
[65]	802	bool used;
	803	};
	804	#endif
	805
[11]	806	void tw_server_loop(void) {
[68]	807	int i;
[101]	808	#if defined(__MINGW32__) \|\| defined(__HAIKU__)
[65]	809	struct thread_entry threads[2048];
[70]	810	for(i = 0; i < sizeof(threads) / sizeof(threads[0]); i++) {
[65]	811	threads[i].used = false;
	812	}
	813	#endif
[118]	814	#ifdef USE_POLL
	815	struct pollfd pollfds[sockcount];
	816	for(i = 0; i < sockcount; i++) {
	817	pollfds[i].fd = sockets[i];
	818	pollfds[i].events = POLLIN \| POLLPRI;
	819	}
	820	#else
	821	fd_set fdset;
	822	struct timeval tv;
	823	#endif
[11]	824	while(1) {
[118]	825	#ifdef USE_POLL
	826	int ret = poll(pollfds, sockcount, 1000);
	827	#else
	828	FD_ZERO(&fdset);
	829	for(i = 0; i < sockcount; i++) {
	830	FD_SET(sockets[i], &fdset);
	831	}
	832	tv.tv_sec = 1;
	833	tv.tv_usec = 0;
[86]	834	#ifdef __HAIKU__
[118]	835	int ret = select(32, &fdset, NULL, NULL, &tv);
[86]	836	#else
[105]	837	int ret = select(FD_SETSIZE, &fdset, NULL, NULL, &tv);
[86]	838	#endif
[118]	839	#endif
[11]	840	if(ret == -1) {
[84]	841	#ifndef __MINGW32__
	842	cm_log("Server", "Select failure: %s", strerror(errno));
	843	#endif
[9]	844	break;
[70]	845	} else if(ret == 0) {
[62]	846	#ifdef SERVICE
[70]	847	if(status.dwCurrentState == SERVICE_STOP_PENDING) {
[62]	848	break;
	849	}
	850	#endif
[11]	851	} else if(ret > 0) {
[9]	852	/* connection */
	853	int i;
[11]	854	for(i = 0; i < sockcount; i++) {
[118]	855	bool cond;
	856	#ifdef USE_POLL
	857	cond = pollfds[i].revents & POLLIN;
	858	#else
	859	cond = FD_ISSET(sockets[i], &fdset);
	860	#endif
	861	if(cond) {
[9]	862	SOCKADDR claddr;
	863	int clen = sizeof(claddr);
	864	int sock = accept(sockets[i], (struct sockaddr*)&claddr, &clen);
[12]	865	cm_log("Server", "New connection accepted");
[97]	866	#if defined(__MINGW32__) \|\| defined(__HAIKU__)
[11]	867	struct pass_entry* e = malloc(sizeof(*e));
	868	e->sock = sock;
	869	e->ssl = config.ports[i] & (1ULL << 32);
[12]	870	e->port = config.ports[i];
[21]	871	e->addr = claddr;
[97]	872	#endif
	873	#ifdef __MINGW32__
[65]	874	int j;
[70]	875	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	876	if(threads[j].used) {
[65]	877	DWORD ex;
	878	GetExitCodeThread(threads[j].handle, &ex);
[70]	879	if(ex != STILL_ACTIVE) {
[65]	880	CloseHandle(threads[j].handle);
	881	threads[j].used = false;
	882	}
	883	}
	884	}
[70]	885	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	886	if(!threads[j].used) {
[65]	887	threads[j].handle = (HANDLE)_beginthreadex(NULL, 0, tw_server_pass, e, 0, NULL);
	888	threads[j].used = true;
	889	break;
	890	}
	891	}
[97]	892	#elif defined(__HAIKU__)
[105]	893	int j;
	894	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	895	if(threads[j].used) {
	896	thread_info info;
	897	bool kill = false;
	898	if(get_thread_info(threads[j].thread, &info) == B_OK) {
	899	} else {
	900	kill = true;
	901	}
	902	if(kill) {
	903	threads[j].used = false;
	904	}
[101]	905	}
[105]	906	}
	907	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	908	if(!threads[j].used) {
	909	threads[j].thread = spawn_thread(tw_server_pass, "Tewi HTTPd", 60, e);
	910	threads[j].used = true;
	911	resume_thread(threads[j].thread);
	912	break;
[101]	913	}
	914	}
[11]	915	#else
	916	pid_t pid = fork();
	917	if(pid == 0) {
[89]	918	int j;
	919	for(j = 0; j < sockcount; j++) close_socket(sockets[j]);
[21]	920	tw_server_pass(sock, config.ports[i] & (1ULL << 32), config.ports[i], claddr);
[11]	921	_exit(0);
	922	} else {
	923	close_socket(sock);
	924	}
	925	#endif
[9]	926	}
	927	}
	928	}
	929	}
	930	}

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source: Main/trunk/Server/server.c@ 118

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