server.c@ 183

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Last change on this file since 183 was 183, checked in by Nishi, on Sep 28, 2024 at 1:15:15 AM
psp support
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File size: 26.2 KB

Rev	Line
[8]	1	/* $Id: server.c 183 2024-09-27 16:15:15Z 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>
[182]	26	#include <sys/types.h>
[32]	27	#include <time.h>
[8]	28
[18]	29	#include <cm_string.h>
[8]	30	#include <cm_log.h>
[21]	31	#include <cm_dir.h>
[8]	32
	33	#ifdef __MINGW32__
[163]	34	#ifndef NO_GETADDRINFO
[116]	35	#include <ws2tcpip.h>
	36	#include <wspiapi.h>
[163]	37	#endif
[8]	38	#include <winsock2.h>
[11]	39	#include <process.h>
[62]	40	#include <windows.h>
[32]	41
	42	#include "strptime.h"
[8]	43	#else
[118]	44	#ifdef USE_POLL
	45	#include <poll.h>
	46	#else
[8]	47	#include <sys/select.h>
[118]	48	#endif
[8]	49	#include <sys/socket.h>
	50	#include <arpa/inet.h>
	51	#include <netinet/in.h>
	52	#include <netinet/tcp.h>
[163]	53	#ifndef NO_GETADDRINFO
[116]	54	#include <netdb.h>
[8]	55	#endif
[163]	56	#endif
[8]	57
[182]	58	#ifdef _PSP
	59	#include "strptime.h"
	60	#endif
	61
[97]	62	#ifdef __HAIKU__
	63	#include <OS.h>
	64	#endif
	65
[8]	66	extern struct tw_config config;
[18]	67	extern char tw_server[];
[8]	68
	69	int sockcount = 0;
	70
[9]	71	SOCKADDR addresses[MAX_PORTS];
	72	int sockets[MAX_PORTS];
[8]	73
[70]	74	#ifdef __MINGW32__
	75	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"};
	76	#endif
	77
[23]	78	/* https://qiita.com/gyu-don/items/5a640c6d2252a860c8cd */
	79	int tw_wildcard_match(const char* wildcard, const char* target) {
	80	const char pw = wildcard, pt = target;
	81
	82	while(1) {
	83	if(*pt == 0) {
	84	while(pw == '') pw++;
	85	return *pw == 0;
	86	} else if(*pw == 0) {
	87	return 0;
	88	} else if(pw == '') {
	89	return *(pw + 1) == 0 \|\| tw_wildcard_match(pw, pt + 1) \|\| tw_wildcard_match(pw + 1, pt);
	90	} else if(pw == '?' \|\| (pw == *pt)) {
	91	pw++;
	92	pt++;
	93	continue;
	94	} else {
	95	return 0;
	96	}
	97	}
	98	}
	99
[8]	100	void close_socket(int sock) {
[88]	101	#if defined(__MINGW32__)
[8]	102	closesocket(sock);
	103	#else
	104	close(sock);
	105	#endif
	106	}
	107
	108	int tw_server_init(void) {
	109	int i;
	110	#ifdef __MINGW32__
	111	WSADATA wsa;
	112	WSAStartup(MAKEWORD(2, 0), &wsa);
	113	#endif
	114	for(i = 0; config.ports[i] != -1; i++)
	115	;
	116	sockcount = i;
	117	for(i = 0; config.ports[i] != -1; i++) {
	118	#ifdef NO_IPV6
	119	int sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
	120	#else
	121	int sock = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
	122	#endif
	123	#ifdef __MINGW32__
	124	if(sock == INVALID_SOCKET)
	125	#else
	126	if(sock < 0)
	127	#endif
	128	{
	129	cm_log("Server", "Socket creation failure");
	130	return 1;
	131	}
	132	int yes = 1;
	133	if(setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(yes)) < 0) {
	134	close_socket(sock);
	135	cm_log("Server", "setsockopt failure (reuseaddr)");
	136	return 1;
	137	}
	138	if(setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(yes)) < 0) {
	139	close_socket(sock);
	140	cm_log("Server", "setsockopt failure (nodelay)");
	141	return 1;
	142	}
	143	#ifndef NO_IPV6
	144	int no = 0;
	145	if(setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&no, sizeof(no)) < 0) {
	146	close_socket(sock);
	147	cm_log("Server", "setsockopt failure (IPv6)");
	148	return 1;
	149	}
	150	#endif
	151	memset(&addresses[i], 0, sizeof(addresses[i]));
	152	#ifdef NO_IPV6
	153	addresses[i].sin_family = AF_INET;
	154	addresses[i].sin_addr.s_addr = INADDR_ANY;
	155	addresses[i].sin_port = htons(config.ports[i]);
	156	#else
	157	addresses[i].sin6_family = AF_INET6;
	158	addresses[i].sin6_addr = in6addr_any;
	159	addresses[i].sin6_port = htons(config.ports[i]);
	160	#endif
	161	if(bind(sock, (struct sockaddr*)&addresses[i], sizeof(addresses[i])) < 0) {
	162	close_socket(sock);
	163	cm_log("Server", "Bind failure");
	164	return 1;
	165	}
	166	if(listen(sock, 128) < 0) {
	167	close_socket(sock);
	168	cm_log("Server", "Listen failure");
	169	return 1;
	170	}
	171	sockets[i] = sock;
	172	}
	173	return 0;
	174	}
[9]	175
[16]	176	size_t tw_read(SSL* ssl, int s, void* data, size_t len) {
[43]	177	#ifndef NO_SSL
[16]	178	if(ssl == NULL) {
	179	return recv(s, data, len, 0);
	180	} else {
	181	return SSL_read(ssl, data, len);
	182	}
[43]	183	#else
	184	return recv(s, data, len, 0);
	185	#endif
[16]	186	}
	187
	188	size_t tw_write(SSL* ssl, int s, void* data, size_t len) {
[43]	189	#ifndef NO_SSL
[16]	190	if(ssl == NULL) {
	191	return send(s, data, len, 0);
	192	} else {
	193	return SSL_write(ssl, data, len);
	194	}
[43]	195	#else
	196	return send(s, data, len, 0);
	197	#endif
[16]	198	}
	199
[20]	200	#define ERROR_HTML \
[18]	201	"<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n" \
	202	"<html>\n" \
	203	" <head>\n" \
[20]	204	" <title>%s</title>\n" \
[18]	205	" </head>\n" \
	206	" <body>\n" \
[20]	207	" <h1>%s</h1>\n" \
[18]	208	" <hr>\n" \
	209	" ", \
	210	address, \
	211	"\n" \
	212	" </body>\n" \
	213	"</html>\n"
	214
[32]	215	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]	216	char construct[512];
[32]	217	if(mtime != 0 && cmtime != 0 && mtime <= cmtime) {
	218	status = "304 Not Modified";
	219	type = NULL;
	220	size = 0;
	221	headers = NULL;
	222	f = NULL;
	223	doc = NULL;
	224	}
[18]	225	sprintf(construct, "%llu", (unsigned long long)size);
	226	tw_write(ssl, sock, "HTTP/1.1 ", 9);
	227	tw_write(ssl, sock, (char*)status, strlen(status));
	228	tw_write(ssl, sock, "\r\n", 2);
[24]	229	if(type != NULL) {
	230	tw_write(ssl, sock, "Content-Type: ", 7 + 5 + 2);
	231	tw_write(ssl, sock, (char*)type, strlen(type));
	232	tw_write(ssl, sock, "\r\n", 2);
	233	}
[18]	234	tw_write(ssl, sock, "Server: ", 6 + 2);
	235	tw_write(ssl, sock, tw_server, strlen(tw_server));
	236	tw_write(ssl, sock, "\r\n", 2);
[24]	237	if(size != 0) {
	238	tw_write(ssl, sock, "Content-Length: ", 7 + 7 + 2);
	239	tw_write(ssl, sock, construct, strlen(construct));
	240	tw_write(ssl, sock, "\r\n", 2);
[32]	241	if(mtime != 0) {
	242	struct tm* tm = gmtime(&mtime);
	243	char date[513];
	244	strftime(date, 512, "%a, %d %b %Y %H:%M:%S GMT", tm);
	245	tw_write(ssl, sock, "Last-Modified: ", 5 + 8 + 2);
	246	tw_write(ssl, sock, date, strlen(date));
	247	tw_write(ssl, sock, "\r\n", 2);
	248	}
[24]	249	}
	250	int i;
	251	if(headers != NULL) {
	252	for(i = 0; headers[i] != NULL; i += 2) {
	253	tw_write(ssl, sock, headers[i], strlen(headers[i]));
	254	tw_write(ssl, sock, ": ", 2);
	255	tw_write(ssl, sock, headers[i + 1], strlen(headers[i + 1]));
	256	tw_write(ssl, sock, "\r\n", 2);
	257	}
	258	}
[18]	259	tw_write(ssl, sock, "\r\n", 2);
[24]	260	if(doc == NULL && f == NULL) return;
[18]	261	size_t incr = 0;
	262	while(1) {
[22]	263	if(f != NULL) {
[21]	264	char buffer[128];
	265	fread(buffer, size < 128 ? size : 128, 1, f);
	266	tw_write(ssl, sock, buffer, size < 128 ? size : 128);
[22]	267	} else {
[21]	268	tw_write(ssl, sock, (unsigned char*)doc + incr, size < 128 ? size : 128);
	269	}
[18]	270	incr += 128;
[19]	271	if(size <= 128) break;
[18]	272	size -= 128;
	273	}
	274	}
	275
[32]	276	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]	277
[18]	278	const char* tw_http_status(int code) {
[20]	279	if(code == 200) {
	280	return "200 OK";
[166]	281	} else if(code == 301) {
[167]	282	return "301 Moved Permanently";
[24]	283	} else if(code == 308) {
	284	return "308 Permanent Redirect";
[20]	285	} else if(code == 400) {
[18]	286	return "400 Bad Request";
[20]	287	} else if(code == 401) {
	288	return "401 Unauthorized";
	289	} else if(code == 403) {
	290	return "403 Forbidden";
	291	} else if(code == 404) {
	292	return "404 Not Found";
[161]	293	} else if(code == 500) {
	294	return "500 Internal Server Error";
[18]	295	} else {
	296	return "400 Bad Request";
	297	}
	298	}
	299
[123]	300	char* tw_http_default_error(int code, char* name, int port, struct tw_config_entry* vhost) {
[18]	301	char address[1024];
[20]	302
[123]	303	if((vhost->hideport == -1 ? config.root.hideport : vhost->hideport) == 1) {
	304	sprintf(address, "<address>%s Server at %s</address>", tw_server, name, port);
	305	} else {
	306	sprintf(address, "<address>%s Server at %s Port %d</address>", tw_server, name, port);
	307	}
	308
[20]	309	char* st = cm_strdup(tw_http_status(code));
	310	char* st2;
	311	int i;
	312	for(i = 0; st[i] != 0; i++) {
	313	if(st[i] == ' ') {
	314	st2 = cm_strdup(st + i + 1);
	315	break;
	316	}
[18]	317	}
[20]	318	char* buffer = malloc(4096);
	319	char* str = cm_strcat3(ERROR_HTML);
	320	sprintf(buffer, str, st, st2);
	321	free(str);
	322	free(st);
	323	return buffer;
[18]	324	}
	325
[123]	326	void tw_http_error(SSL* ssl, int sock, int error, char* name, int port, struct tw_config_entry* vhost) {
	327	char* str = tw_http_default_error(error, name, port, vhost);
[32]	328	tw_process_page(ssl, sock, tw_http_status(error), "text/html", NULL, str, strlen(str), 0, 0);
[18]	329	free(str);
	330	}
	331
[20]	332	void addstring(char** str, const char* add, ...) {
	333	int i;
	334	char cbuf[2];
	335	cbuf[1] = 0;
	336	va_list va;
	337	va_start(va, add);
	338	for(i = 0; add[i] != 0; i++) {
	339	cbuf[0] = add[i];
	340	if(add[i] == '%') {
	341	i++;
	342	if(add[i] == 's') {
	343	char* tmp = *str;
	344	str = cm_strcat(tmp, va_arg(va, const char));
	345	free(tmp);
	346	} else if(add[i] == 'h') {
	347	char* h = cm_html_escape(va_arg(va, const char*));
	348	char* tmp = *str;
	349	*str = cm_strcat(tmp, h);
	350	free(tmp);
	351	free(h);
[21]	352	} else if(add[i] == 'l') {
	353	char* h = cm_url_escape(va_arg(va, const char*));
	354	char* tmp = *str;
	355	*str = cm_strcat(tmp, h);
	356	free(tmp);
	357	free(h);
[20]	358	} else if(add[i] == 'd') {
	359	int n = va_arg(va, int);
	360	char* h = malloc(512);
	361	sprintf(h, "%d", n);
	362	char* tmp = *str;
	363	*str = cm_strcat(tmp, h);
	364	free(tmp);
	365	free(h);
	366	} else if(add[i] == '%') {
	367	char* tmp = *str;
	368	*str = cm_strcat(tmp, "%");
	369	free(tmp);
	370	}
	371	} else {
	372	char* tmp = *str;
	373	*str = cm_strcat(tmp, cbuf);
	374	free(tmp);
	375	}
	376	}
[74]	377	va_end(va);
[20]	378	}
	379
[22]	380	char* tw_get_mime(const char* ext, struct tw_config_entry* vhost_entry) {
	381	char* mime = "application/octet-stream";
	382	if(ext == NULL) return mime;
	383	bool set = false;
	384	int i;
	385	for(i = 0; i < vhost_entry->mime_count; i++) {
[23]	386	if(strcmp(vhost_entry->mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(vhost_entry->mimes[i].ext, ext))) {
[22]	387	mime = vhost_entry->mimes[i].mime;
	388	set = true;
	389	}
	390	}
	391	if(!set) {
	392	for(i = 0; i < config.root.mime_count; i++) {
[23]	393	if(strcmp(config.root.mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(config.root.mimes[i].ext, ext))) {
[22]	394	mime = config.root.mimes[i].mime;
	395	}
	396	}
	397	}
	398	return mime;
	399	}
	400
	401	char* tw_get_icon(const char* mime, struct tw_config_entry* vhost_entry) {
	402	char* icon = "";
	403	if(mime == NULL) return "";
	404	bool set = false;
	405	int i;
	406	for(i = 0; i < vhost_entry->icon_count; i++) {
[23]	407	if(strcmp(vhost_entry->icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(vhost_entry->icons[i].mime, mime))) {
[22]	408	icon = vhost_entry->icons[i].icon;
	409	set = true;
	410	}
	411	}
	412	if(!set) {
	413	for(i = 0; i < config.root.icon_count; i++) {
[23]	414	if(strcmp(config.root.icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(config.root.icons[i].mime, mime))) {
[22]	415	icon = config.root.icons[i].icon;
	416	}
	417	}
	418	}
	419	return icon;
	420	}
	421
[11]	422	struct pass_entry {
	423	int sock;
[12]	424	int port;
[11]	425	bool ssl;
[21]	426	SOCKADDR addr;
[11]	427	};
	428
[97]	429	#ifdef __MINGW32__
[11]	430	unsigned int WINAPI tw_server_pass(void* ptr) {
[97]	431	#elif defined(__HAIKU__)
	432	int32_t tw_server_pass(void* ptr) {
[183]	433	#elif defined(_PSP)
	434	int tw_server_pass(void* ptr) {
[105]	435	#endif
[183]	436	#if defined(__HAIKU__) \|\| defined(__MINGW32__) \|\| defined(_PSP)
[11]	437	int sock = ((struct pass_entry*)ptr)->sock;
	438	bool ssl = ((struct pass_entry*)ptr)->ssl;
[14]	439	int port = ((struct pass_entry*)ptr)->port;
[21]	440	SOCKADDR addr = ((struct pass_entry*)ptr)->addr;
[12]	441	free(ptr);
[11]	442	#else
[105]	443	void tw_server_pass(int sock, bool ssl, int port, SOCKADDR addr) {
[11]	444	#endif
[13]	445	char* name = config.hostname;
	446
[43]	447	#ifndef NO_SSL
[12]	448	SSL_CTX* ctx = NULL;
	449	SSL* s = NULL;
[15]	450	bool sslworks = false;
[12]	451	if(ssl) {
	452	ctx = tw_create_ssl_ctx(port);
	453	s = SSL_new(ctx);
	454	SSL_set_fd(s, sock);
	455	if(SSL_accept(s) <= 0) goto cleanup;
[15]	456	sslworks = true;
[12]	457	}
[43]	458	#else
[105]	459	void* s = NULL;
[43]	460	#endif
[116]	461
	462	char address[513];
	463	address[0] = 0;
[163]	464	#ifndef NO_GETADDRINFO
[116]	465	struct sockaddr* sa = (struct sockaddr*)&addr;
	466	getnameinfo(sa, sizeof(addr), address, 512, NULL, 0, NI_NUMERICHOST);
[163]	467	#endif
[116]	468
[16]	469	struct tw_http_request req;
[20]	470	struct tw_http_response res;
	471	struct tw_tool tools;
	472	res._processed = false;
	473	tw_init_tools(&tools);
[16]	474	int ret = tw_http_parse(s, sock, &req);
[17]	475	if(ret == 0) {
[116]	476	char date[513];
	477	time_t t = time(NULL);
	478	struct tm* tm = localtime(&t);
	479	strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
	480
	481	char* useragent = cm_strdup("");
	482
	483	int i;
[117]	484	for(i = 0; req.headers[i] != NULL; i += 2) {
	485	if(cm_strcaseequ(req.headers[i], "User-Agent")) {
[116]	486	free(useragent);
	487	useragent = cm_strdup(req.headers[i + 1]);
	488	}
	489	}
	490
	491	char* tmp = cm_strcat3(address, " - [", date);
	492	char* tmp2 = cm_strcat3(tmp, "] \"", req.method);
	493	char* tmp3 = cm_strcat3(tmp2, " ", req.path);
	494	char* tmp4 = cm_strcat3(tmp3, " ", req.version);
	495	char* tmp5 = cm_strcat3(tmp4, "\" \"", useragent);
	496	char* log = cm_strcat(tmp5, "\"");
	497	free(tmp);
	498	free(tmp2);
	499	free(tmp3);
	500	free(tmp4);
	501	free(tmp5);
	502	free(useragent);
	503	cm_force_log(log);
	504	free(log);
	505
[21]	506	char* vhost = cm_strdup(config.hostname);
[32]	507	time_t cmtime = 0;
[70]	508	if(req.headers != NULL) {
[64]	509	for(i = 0; req.headers[i] != NULL; i += 2) {
	510	if(cm_strcaseequ(req.headers[i], "Host")) {
	511	free(vhost);
	512	vhost = cm_strdup(req.headers[i + 1]);
	513	} else if(cm_strcaseequ(req.headers[i], "If-Modified-Since")) {
	514	struct tm tm;
	515	strptime(req.headers[i + 1], "%a, %d %b %Y %H:%M:%S GMT", &tm);
[182]	516	#if defined(__MINGW32__) \|\| defined(_PSP)
[64]	517	time_t t = 0;
	518	struct tm* btm = localtime(&t);
	519	cmtime = mktime(&tm);
	520	cmtime -= (btm->tm_hour * 60 + btm->tm_min) * 60;
[32]	521	#else
[140]	522	cmtime = timegm(&tm);
[32]	523	#endif
[64]	524	}
[21]	525	}
	526	}
[161]	527	bool rej = false;
[21]	528	cm_log("Server", "Host is %s", vhost);
	529	int port = s == NULL ? 80 : 443;
	530	char* host = cm_strdup(vhost);
[22]	531	for(i = 0; vhost[i] != 0; i++) {
	532	if(vhost[i] == ':') {
[21]	533	host[i] = 0;
	534	port = atoi(host + i + 1);
	535	break;
	536	}
	537	}
[136]	538	name = host;
[21]	539	cm_log("Server", "Hostname is `%s', port is `%d'", host, port);
	540	struct tw_config_entry* vhost_entry = tw_vhost_match(host, port);
[161]	541	#ifdef HAS_CHROOT
	542	char* chrootpath = vhost_entry->chroot_path != NULL ? vhost_entry->chroot_path : config.root.chroot_path;
	543	if(chrootpath != NULL) {
	544	if(chdir(chrootpath) == 0) {
	545	if(chroot(".") == 0) {
	546	cm_log("Server", "Chroot successful");
	547	}
	548	} else {
	549	cm_log("Server", "chdir() failed, cannot chroot");
	550	tw_http_error(s, sock, 500, name, port, vhost_entry);
	551	rej = true;
	552	}
	553	}
	554	#endif
[20]	555	for(i = 0; i < config.module_count; i++) {
	556	tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "mod_request");
	557	if(mod_req != NULL) {
	558	int ret = mod_req(&tools, &req, &res);
	559	int co = ret & 0xff;
[141]	560	if(co == _TW_MODULE_PASS) {
	561	continue;
	562	} else if(co == _TW_MODULE_STOP) {
	563	/* Handle response here ... */
[20]	564	res._processed = true;
	565	break;
[141]	566	} else if(co == _TW_MODULE_STOP2) {
	567	res._processed = true;
	568	break;
	569	} else if(co == _TW_MODULE_ERROR) {
[123]	570	tw_http_error(s, sock, (ret & 0xffff00) >> 8, name, port, vhost_entry);
[20]	571	break;
	572	}
	573	}
	574	}
	575	if(!res._processed) {
[21]	576	cm_log("Server", "Document root is %s", vhost_entry->root == NULL ? "not set" : vhost_entry->root);
	577	char* path = cm_strcat(vhost_entry->root == NULL ? "" : vhost_entry->root, req.path);
	578	cm_log("Server", "Filesystem path is %s", path);
[70]	579	#ifdef __MINGW32__
[71]	580	char* rpath = cm_strdup(path);
[72]	581	for(i = strlen(rpath) - 1; i >= 0; i--) {
[73]	582	if(rpath[i] == '/') {
	583	int j;
	584	for(j = i + 1; rpath[j] != 0; j++) {
	585	if(rpath[j] == ':' \|\| rpath[j] == '.') {
	586	rpath[j] = 0;
	587	break;
	588	}
	589	}
[71]	590	break;
	591	}
	592	}
[70]	593	for(i = 0; i < sizeof(reserved_names) / sizeof(reserved_names[0]); i++) {
	594	char* n = cm_strcat("/", reserved_names[i]);
[71]	595	if(cm_nocase_endswith(rpath, n)) {
[124]	596	tw_http_error(s, sock, 403, name, port, vhost_entry);
[70]	597	free(n);
	598	rej = true;
	599	cm_log("Server", "XP Patch ; rejecting access to device");
	600	break;
	601	}
	602	free(n);
	603	}
[71]	604	free(rpath);
[70]	605	#endif
[21]	606	struct stat st;
[70]	607	if(!rej && stat(path, &st) == 0) {
[22]	608	if(!tw_permission_allowed(path, addr, req, vhost_entry)) {
[123]	609	tw_http_error(s, sock, 403, name, port, vhost_entry);
[22]	610	} else if(S_ISDIR(st.st_mode)) {
[24]	611	if(req.path[strlen(req.path) - 1] != '/') {
[61]	612	cm_log("Server", "Accessing directory without the slash at the end");
[24]	613	char* headers[3] = {"Location", cm_strcat(req.path, "/"), NULL};
[166]	614	_tw_process_page(s, sock, tw_http_status(301), NULL, NULL, NULL, 0, headers, 0, 0);
[24]	615	free(headers[1]);
	616	} else {
	617	char** indexes = vhost_entry->index_count == 0 ? config.root.indexes : vhost_entry->indexes;
	618	int index_count = vhost_entry->index_count == 0 ? config.root.index_count : vhost_entry->index_count;
	619	bool found = false;
	620	for(i = 0; i < index_count; i++) {
	621	char* p = cm_strcat3(path, "/", indexes[i]);
	622	FILE* f = fopen(p, "rb");
	623	if(f != NULL) {
	624	char* ext = NULL;
	625	int j;
	626	for(j = strlen(p) - 1; j >= 0; j--) {
	627	if(p[j] == '.') {
	628	ext = cm_strdup(p + j);
	629	break;
	630	} else if(p[j] == '/') {
	631	break;
	632	}
[22]	633	}
[24]	634	struct stat st;
	635	stat(p, &st);
	636	char* mime = tw_get_mime(ext, vhost_entry);
[32]	637	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, 0, 0);
[24]	638	fclose(f);
[74]	639	if(ext != NULL) free(ext);
[24]	640	free(p);
	641	found = true;
	642	break;
[22]	643	}
[24]	644	free(p);
	645	}
	646	if(!found) {
	647	char* str = malloc(1);
	648	str[0] = 0;
	649	char** items = cm_scandir(path);
[122]	650	addstring(&str, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n");
[24]	651	addstring(&str, "<html>\n");
	652	addstring(&str, " <head>\n");
	653	addstring(&str, " <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n");
[122]	654	addstring(&str, " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n");
[24]	655	addstring(&str, " <title>Index of %h</title>\n", req.path);
	656	addstring(&str, " </head>\n");
	657	addstring(&str, " <body>\n");
	658	addstring(&str, " <h1>Index of %h</h1>\n", req.path);
	659	addstring(&str, " <hr>\n");
	660	addstring(&str, " <table border=\"0\">\n");
	661	addstring(&str, " <tr>\n");
	662	addstring(&str, " <th></th>\n");
	663	addstring(&str, " <th>Filename</th>\n");
[28]	664	addstring(&str, " <th>MIME</th>\n");
	665	addstring(&str, " <th>Size</th>\n");
[24]	666	addstring(&str, " </tr>\n");
[33]	667	int readme = -1;
	668	char** readmes = vhost_entry->readme_count == 0 ? config.root.readmes : vhost_entry->readmes;
	669	int readme_count = vhost_entry->readme_count == 0 ? config.root.readme_count : vhost_entry->readme_count;
[24]	670	if(items != NULL) {
[29]	671	int phase = 0;
	672	doit:
[24]	673	for(i = 0; items[i] != NULL; i++) {
[33]	674	int j;
[28]	675	char* fpth = cm_strcat3(path, "/", items[i]);
	676	struct stat s;
	677	char size[512];
	678	size[0] = 0;
	679	stat(fpth, &s);
[29]	680	if(phase == 0 && !S_ISDIR(s.st_mode)) {
	681	free(fpth);
	682	continue;
	683	} else if(phase == 1 && S_ISDIR(s.st_mode)) {
	684	free(fpth);
	685	continue;
	686	}
[33]	687	if(readme == -1) {
	688	for(j = 0; j < readme_count; j++) {
	689	if(strcmp(items[i], readmes[j]) == 0) {
	690	readme = j;
	691	break;
	692	}
	693	}
	694	if(readme != -1) {
	695	free(fpth);
	696	continue;
	697	}
	698	}
[29]	699	if(s.st_size < 1024ULL) {
[31]	700	sprintf(size, "%d", (int)s.st_size);
[29]	701	} else if(s.st_size < 1024ULL * 1024) {
	702	sprintf(size, "%.1fK", (double)s.st_size / 1024);
	703	} else if(s.st_size < 1024ULL * 1024 * 1024) {
	704	sprintf(size, "%.1fM", (double)s.st_size / 1024 / 1024);
	705	} else if(s.st_size < 1024ULL * 1024 * 1024 * 1024) {
	706	sprintf(size, "%.1fG", (double)s.st_size / 1024 / 1024 / 1024);
	707	} else if(s.st_size < 1024ULL * 1024 * 1024 * 1024 * 1024) {
	708	sprintf(size, "%.1fT", (double)s.st_size / 1024 / 1024 / 1024 / 1024);
[28]	709	}
	710
	711	free(fpth);
	712
[24]	713	char* ext = NULL;
	714	for(j = strlen(items[i]) - 1; j >= 0; j--) {
	715	if(items[i][j] == '.') {
	716	ext = cm_strdup(items[i] + j);
	717	break;
	718	} else if(items[i][j] == '/') {
	719	break;
	720	}
	721	}
[28]	722	char* showmime = "";
[24]	723	char* mime = tw_get_mime(ext, vhost_entry);
	724	if(strcmp(items[i], "../") == 0) {
	725	mime = "misc/parent";
[29]	726	size[0] = 0;
[24]	727	} else if(items[i][strlen(items[i]) - 1] == '/') {
	728	mime = "misc/dir";
[29]	729	size[0] = 0;
	730	} else {
[28]	731	showmime = mime;
[24]	732	}
	733	char* icon = tw_get_icon(mime, vhost_entry);
	734	if(ext != NULL) free(ext);
	735	char* itm = cm_strdup(items[i]);
	736	if(strlen(itm) >= 32) {
	737	if(itm[strlen(itm) - 1] == '/') {
	738	itm[31] = 0;
	739	itm[30] = '/';
	740	itm[29] = '.';
	741	itm[28] = '.';
	742	itm[27] = '.';
	743	} else {
	744	itm[31] = 0;
	745	itm[30] = '.';
	746	itm[29] = '.';
	747	itm[28] = '.';
	748	}
	749	}
	750	addstring(&str, "<tr>\n");
	751	addstring(&str, " <td><img src=\"%s\" alt=\"icon\"></td>\n", icon);
	752	addstring(&str, " <td><a href=\"%l\"><code>%h</code></a></td>\n", items[i], itm);
[60]	753	addstring(&str, " <td><code> %h </code></td>\n", showmime);
	754	addstring(&str, " <td><code> %s </code></td>\n", size);
[24]	755	addstring(&str, "</tr>\n");
	756	free(itm);
[22]	757	}
[29]	758	phase++;
	759	if(phase != 2) goto doit;
	760	for(i = 0; items[i] != NULL; i++) free(items[i]);
	761	free(items);
[22]	762	}
[24]	763	addstring(&str, " </table>\n");
[33]	764	if(readme != -1) {
	765	addstring(&str, "<hr>\n");
	766	char* fpth = cm_strcat3(path, "/", readmes[readme]);
	767	struct stat s;
	768	stat(fpth, &s);
	769	FILE* fr = fopen(fpth, "r");
	770	if(fr != NULL) {
	771	char* rmbuf = malloc(s.st_size + 1);
	772	rmbuf[s.st_size] = 0;
	773	fread(rmbuf, s.st_size, 1, fr);
	774	addstring(&str, "<pre><code>%h</code></pre>\n", rmbuf);
	775	fclose(fr);
[70]	776	free(rmbuf);
[33]	777	}
[66]	778	free(fpth);
[33]	779	}
[24]	780	addstring(&str, " <hr>\n");
[123]	781	int hp = vhost_entry->hideport == -1 ? config.root.hideport : vhost_entry->hideport;
	782	if(hp == 0) {
	783	addstring(&str, " <address>%s Server at %s Port %d</address>\n", tw_server, name, port);
	784	} else {
	785	addstring(&str, " <address>%s Server at %s</address>\n", tw_server, name, port);
	786	}
[24]	787	addstring(&str, " </body>\n");
	788	addstring(&str, "</html>\n");
[32]	789	tw_process_page(s, sock, tw_http_status(200), "text/html", NULL, str, strlen(str), 0, 0);
[24]	790	free(str);
[21]	791	}
	792	}
[22]	793	} else {
[21]	794	char* ext = NULL;
[22]	795	for(i = strlen(req.path) - 1; i >= 0; i--) {
	796	if(req.path[i] == '.') {
[21]	797	ext = cm_strdup(req.path + i);
	798	break;
[24]	799	} else if(req.path[i] == '/') {
	800	break;
[21]	801	}
	802	}
[22]	803	char* mime = tw_get_mime(ext, vhost_entry);
[21]	804	if(ext != NULL) free(ext);
	805	FILE* f = fopen(path, "rb");
[173]	806	if(f == NULL) {
	807	tw_http_error(s, sock, 403, name, port, vhost_entry);
	808	} else {
	809	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, st.st_mtime, cmtime);
	810	fclose(f);
	811	}
[21]	812	}
[22]	813	} else {
[161]	814	if(!rej) {
	815	tw_http_error(s, sock, 404, name, port, vhost_entry);
	816	}
[21]	817	}
	818	free(path);
[20]	819	}
[21]	820	free(vhost);
	821	free(host);
[22]	822	} else if(ret == -1) {
[18]	823	} else {
[123]	824	tw_http_error(s, sock, 400, name, port, &config.root);
[17]	825	}
[70]	826	tw_free_request(&req);
[12]	827	cleanup:
[43]	828	#ifndef NO_SSL
[16]	829	if(sslworks) {
[15]	830	SSL_shutdown(s);
	831	}
	832	SSL_free(s);
[46]	833	#endif
[11]	834	close_socket(sock);
	835	#ifdef __MINGW32__
	836	_endthreadex(0);
[100]	837	#elif defined(__HAIKU__)
[105]	838	exit_thread(0);
[11]	839	#endif
[43]	840	;
[11]	841	}
	842
[62]	843	#ifdef SERVICE
	844	extern SERVICE_STATUS status;
	845	extern SERVICE_STATUS_HANDLE status_handle;
	846	#endif
	847
[101]	848	#if defined(__MINGW32__) \|\| defined(__HAIKU__)
[65]	849	struct thread_entry {
[101]	850	#ifdef __HAIKU__
	851	thread_id thread;
	852	#else
[65]	853	HANDLE handle;
[101]	854	#endif
[65]	855	bool used;
	856	};
	857	#endif
	858
[183]	859	extern int running;
	860
[11]	861	void tw_server_loop(void) {
[68]	862	int i;
[101]	863	#if defined(__MINGW32__) \|\| defined(__HAIKU__)
[65]	864	struct thread_entry threads[2048];
[70]	865	for(i = 0; i < sizeof(threads) / sizeof(threads[0]); i++) {
[65]	866	threads[i].used = false;
	867	}
	868	#endif
[118]	869	#ifdef USE_POLL
	870	struct pollfd pollfds[sockcount];
	871	for(i = 0; i < sockcount; i++) {
	872	pollfds[i].fd = sockets[i];
	873	pollfds[i].events = POLLIN \| POLLPRI;
	874	}
	875	#else
	876	fd_set fdset;
	877	struct timeval tv;
	878	#endif
[183]	879	while(running) {
[118]	880	#ifdef USE_POLL
	881	int ret = poll(pollfds, sockcount, 1000);
	882	#else
	883	FD_ZERO(&fdset);
	884	for(i = 0; i < sockcount; i++) {
	885	FD_SET(sockets[i], &fdset);
	886	}
	887	tv.tv_sec = 1;
	888	tv.tv_usec = 0;
[86]	889	#ifdef __HAIKU__
[118]	890	int ret = select(32, &fdset, NULL, NULL, &tv);
[86]	891	#else
[105]	892	int ret = select(FD_SETSIZE, &fdset, NULL, NULL, &tv);
[86]	893	#endif
[118]	894	#endif
[11]	895	if(ret == -1) {
[84]	896	#ifndef __MINGW32__
	897	cm_log("Server", "Select failure: %s", strerror(errno));
	898	#endif
[9]	899	break;
[70]	900	} else if(ret == 0) {
[62]	901	#ifdef SERVICE
[70]	902	if(status.dwCurrentState == SERVICE_STOP_PENDING) {
[62]	903	break;
	904	}
	905	#endif
[11]	906	} else if(ret > 0) {
[9]	907	/* connection */
	908	int i;
[11]	909	for(i = 0; i < sockcount; i++) {
[118]	910	bool cond;
	911	#ifdef USE_POLL
	912	cond = pollfds[i].revents & POLLIN;
	913	#else
	914	cond = FD_ISSET(sockets[i], &fdset);
	915	#endif
	916	if(cond) {
[9]	917	SOCKADDR claddr;
[182]	918	socklen_t clen = sizeof(claddr);
[9]	919	int sock = accept(sockets[i], (struct sockaddr*)&claddr, &clen);
[12]	920	cm_log("Server", "New connection accepted");
[183]	921	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_PSP)
[11]	922	struct pass_entry* e = malloc(sizeof(*e));
	923	e->sock = sock;
	924	e->ssl = config.ports[i] & (1ULL << 32);
[12]	925	e->port = config.ports[i];
[21]	926	e->addr = claddr;
[97]	927	#endif
	928	#ifdef __MINGW32__
[65]	929	int j;
[70]	930	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	931	if(threads[j].used) {
[65]	932	DWORD ex;
	933	GetExitCodeThread(threads[j].handle, &ex);
[70]	934	if(ex != STILL_ACTIVE) {
[65]	935	CloseHandle(threads[j].handle);
	936	threads[j].used = false;
	937	}
	938	}
	939	}
[70]	940	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	941	if(!threads[j].used) {
[65]	942	threads[j].handle = (HANDLE)_beginthreadex(NULL, 0, tw_server_pass, e, 0, NULL);
	943	threads[j].used = true;
	944	break;
	945	}
	946	}
[183]	947	#elif defined(_PSP)
	948	tw_server_pass(e);
[97]	949	#elif defined(__HAIKU__)
[183]	950	int j;
	951	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	952	if(threads[j].used) {
	953	thread_info info;
	954	bool kill = false;
	955	if(get_thread_info(threads[j].thread, &info) == B_OK) {
	956	} else {
	957	kill = true;
[101]	958	}
[183]	959	if(kill) {
	960	threads[j].used = false;
[101]	961	}
	962	}
[183]	963	}
	964	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	965	if(!threads[j].used) {
	966	threads[j].thread = spawn_thread(tw_server_pass, "Tewi HTTPd", 60, e);
	967	threads[j].used = true;
	968	resume_thread(threads[j].thread);
	969	break;
	970	}
	971	}
[11]	972	#else
	973	pid_t pid = fork();
	974	if(pid == 0) {
[89]	975	int j;
	976	for(j = 0; j < sockcount; j++) close_socket(sockets[j]);
[21]	977	tw_server_pass(sock, config.ports[i] & (1ULL << 32), config.ports[i], claddr);
[11]	978	_exit(0);
	979	} else {
	980	close_socket(sock);
	981	}
	982	#endif
[9]	983	}
	984	}
	985	}
	986	}
	987	}

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source: Main/trunk/Server/server.c@ 183

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