server.c@ 82

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Last change on this file since 82 was 82, checked in by Nishi, on Sep 19, 2024 at 9:47:40 PM
trying to add haiku support
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File size: 22.3 KB

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

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source: Main/trunk/Server/server.c@ 82

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