server.c@ 99

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Last change on this file since 99 was 99, checked in by Nishi, on Sep 19, 2024 at 11:34:28 PM
fix select
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File size: 22.7 KB

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

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source: Main/trunk/Server/server.c@ 99

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