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server.c@ 254

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Last change on this file since 254 was 254, checked in by Nishi, on Oct 4, 2024 at 1:08:33 PM
add 2.03E
Property svn:keywords set to `Id`
File size: 28.4 KB

Rev	Line
[8]	1	/* $Id: server.c 254 2024-10-04 04:08:33Z 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
[215]	18	#if !defined(_MSC_VER) && !defined(__BORLANDC__)
[8]	19	#include <unistd.h>
[212]	20	#endif
[8]	21	#include <string.h>
[11]	22	#include <stdbool.h>
[20]	23	#include <stdarg.h>
[43]	24	#include <stdio.h>
	25	#include <stdlib.h>
[84]	26	#include <errno.h>
[212]	27	#include <sys/types.h>
[21]	28	#include <sys/stat.h>
[32]	29	#include <time.h>
[8]	30
[18]	31	#include <cm_string.h>
[8]	32	#include <cm_log.h>
[21]	33	#include <cm_dir.h>
[8]	34
[219]	35	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[254]	36	#ifndef NO_GETNAMEINFO
[116]	37	#include <ws2tcpip.h>
	38	#include <wspiapi.h>
[163]	39	#endif
[240]	40	#ifdef USE_WINSOCK1
	41	#include <winsock.h>
	42	#else
[8]	43	#include <winsock2.h>
[240]	44	#endif
[11]	45	#include <process.h>
[62]	46	#include <windows.h>
[32]	47
	48	#include "strptime.h"
[216]	49	typedef int socklen_t;
[8]	50	#else
[118]	51	#ifdef USE_POLL
[187]	52	#ifdef __PPU__
	53	#include <net/poll.h>
	54	#else
[118]	55	#include <poll.h>
[187]	56	#endif
[118]	57	#else
[8]	58	#include <sys/select.h>
[118]	59	#endif
[8]	60	#include <sys/socket.h>
	61	#include <arpa/inet.h>
	62	#include <netinet/in.h>
[187]	63	#ifndef __PPU__
[8]	64	#include <netinet/tcp.h>
[187]	65	#endif
[254]	66	#ifndef NO_GETNAMEINFO
[116]	67	#include <netdb.h>
[8]	68	#endif
[163]	69	#endif
[8]	70
[189]	71	#if defined(_PSP) \|\| defined(__ps2sdk__)
[182]	72	#include "strptime.h"
	73	#endif
	74
[97]	75	#ifdef __HAIKU__
	76	#include <OS.h>
	77	#endif
	78
[212]	79	#ifndef S_ISDIR
[254]	80	#define S_ISDIR(x) ((x)&_S_IFDIR)
[212]	81	#endif
	82
[8]	83	extern struct tw_config config;
[18]	84	extern char tw_server[];
[8]	85
	86	int sockcount = 0;
	87
[9]	88	SOCKADDR addresses[MAX_PORTS];
	89	int sockets[MAX_PORTS];
[8]	90
[219]	91	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[70]	92	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"};
	93	#endif
	94
[23]	95	/* https://qiita.com/gyu-don/items/5a640c6d2252a860c8cd */
	96	int tw_wildcard_match(const char* wildcard, const char* target) {
	97	const char pw = wildcard, pt = target;
	98
	99	while(1) {
	100	if(*pt == 0) {
	101	while(pw == '') pw++;
	102	return *pw == 0;
	103	} else if(*pw == 0) {
	104	return 0;
	105	} else if(pw == '') {
	106	return *(pw + 1) == 0 \|\| tw_wildcard_match(pw, pt + 1) \|\| tw_wildcard_match(pw + 1, pt);
	107	} else if(pw == '?' \|\| (pw == *pt)) {
	108	pw++;
	109	pt++;
	110	continue;
	111	} else {
	112	return 0;
	113	}
	114	}
	115	}
	116
[8]	117	void close_socket(int sock) {
[219]	118	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[8]	119	closesocket(sock);
	120	#else
	121	close(sock);
	122	#endif
	123	}
	124
	125	int tw_server_init(void) {
	126	int i;
[219]	127	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[8]	128	WSADATA wsa;
[240]	129	#ifdef USE_WINSOCK1
	130	WSAStartup(MAKEWORD(1, 1), &wsa);
	131	#else
[8]	132	WSAStartup(MAKEWORD(2, 0), &wsa);
	133	#endif
[240]	134	#endif
[8]	135	for(i = 0; config.ports[i] != -1; i++)
	136	;
	137	sockcount = i;
	138	for(i = 0; config.ports[i] != -1; i++) {
[212]	139	int yes = 1;
	140	int no = 0;
[8]	141	#ifdef NO_IPV6
	142	int sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
	143	#else
	144	int sock = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
	145	#endif
[215]	146	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__)
[8]	147	if(sock == INVALID_SOCKET)
	148	#else
	149	if(sock < 0)
	150	#endif
	151	{
	152	cm_log("Server", "Socket creation failure");
	153	return 1;
	154	}
	155	if(setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(yes)) < 0) {
	156	close_socket(sock);
	157	cm_log("Server", "setsockopt failure (reuseaddr)");
	158	return 1;
	159	}
[187]	160	#ifndef __PPU__
[8]	161	if(setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(yes)) < 0) {
	162	close_socket(sock);
	163	cm_log("Server", "setsockopt failure (nodelay)");
	164	return 1;
	165	}
[187]	166	#endif
[8]	167	#ifndef NO_IPV6
	168	if(setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&no, sizeof(no)) < 0) {
	169	close_socket(sock);
	170	cm_log("Server", "setsockopt failure (IPv6)");
	171	return 1;
	172	}
	173	#endif
	174	memset(&addresses[i], 0, sizeof(addresses[i]));
	175	#ifdef NO_IPV6
	176	addresses[i].sin_family = AF_INET;
	177	addresses[i].sin_addr.s_addr = INADDR_ANY;
[214]	178	addresses[i].sin_port = htons(config.ports[i] & 0xffff);
[8]	179	#else
	180	addresses[i].sin6_family = AF_INET6;
	181	addresses[i].sin6_addr = in6addr_any;
[214]	182	addresses[i].sin6_port = htons(config.ports[i] & 0xffff);
[8]	183	#endif
	184	if(bind(sock, (struct sockaddr*)&addresses[i], sizeof(addresses[i])) < 0) {
	185	close_socket(sock);
	186	cm_log("Server", "Bind failure");
	187	return 1;
	188	}
	189	if(listen(sock, 128) < 0) {
	190	close_socket(sock);
	191	cm_log("Server", "Listen failure");
	192	return 1;
	193	}
	194	sockets[i] = sock;
	195	}
	196	return 0;
	197	}
[9]	198
[16]	199	size_t tw_read(SSL* ssl, int s, void* data, size_t len) {
[43]	200	#ifndef NO_SSL
[16]	201	if(ssl == NULL) {
	202	return recv(s, data, len, 0);
	203	} else {
	204	return SSL_read(ssl, data, len);
	205	}
[43]	206	#else
	207	return recv(s, data, len, 0);
	208	#endif
[16]	209	}
	210
	211	size_t tw_write(SSL* ssl, int s, void* data, size_t len) {
[43]	212	#ifndef NO_SSL
[16]	213	if(ssl == NULL) {
	214	return send(s, data, len, 0);
	215	} else {
	216	return SSL_write(ssl, data, len);
	217	}
[43]	218	#else
	219	return send(s, data, len, 0);
	220	#endif
[16]	221	}
	222
[20]	223	#define ERROR_HTML \
[18]	224	"<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n" \
	225	"<html>\n" \
	226	" <head>\n" \
[20]	227	" <title>%s</title>\n" \
[18]	228	" </head>\n" \
	229	" <body>\n" \
[20]	230	" <h1>%s</h1>\n" \
[18]	231	" <hr>\n" \
	232	" ", \
	233	address, \
	234	"\n" \
	235	" </body>\n" \
	236	"</html>\n"
	237
[32]	238	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]	239	char construct[512];
[212]	240	size_t incr;
[32]	241	if(mtime != 0 && cmtime != 0 && mtime <= cmtime) {
	242	status = "304 Not Modified";
	243	type = NULL;
	244	size = 0;
	245	headers = NULL;
	246	f = NULL;
	247	doc = NULL;
	248	}
[215]	249	#if defined(_MSC_VER) \|\| defined(__BORLANDC__)
[212]	250	sprintf(construct, "%lu", (unsigned long)size);
	251	#else
[18]	252	sprintf(construct, "%llu", (unsigned long long)size);
[212]	253	#endif
[18]	254	tw_write(ssl, sock, "HTTP/1.1 ", 9);
	255	tw_write(ssl, sock, (char*)status, strlen(status));
	256	tw_write(ssl, sock, "\r\n", 2);
[24]	257	if(type != NULL) {
	258	tw_write(ssl, sock, "Content-Type: ", 7 + 5 + 2);
	259	tw_write(ssl, sock, (char*)type, strlen(type));
	260	tw_write(ssl, sock, "\r\n", 2);
	261	}
[18]	262	tw_write(ssl, sock, "Server: ", 6 + 2);
	263	tw_write(ssl, sock, tw_server, strlen(tw_server));
	264	tw_write(ssl, sock, "\r\n", 2);
[24]	265	if(size != 0) {
	266	tw_write(ssl, sock, "Content-Length: ", 7 + 7 + 2);
	267	tw_write(ssl, sock, construct, strlen(construct));
	268	tw_write(ssl, sock, "\r\n", 2);
[32]	269	if(mtime != 0) {
	270	struct tm* tm = gmtime(&mtime);
	271	char date[513];
	272	strftime(date, 512, "%a, %d %b %Y %H:%M:%S GMT", tm);
	273	tw_write(ssl, sock, "Last-Modified: ", 5 + 8 + 2);
	274	tw_write(ssl, sock, date, strlen(date));
	275	tw_write(ssl, sock, "\r\n", 2);
	276	}
[24]	277	}
	278	if(headers != NULL) {
[212]	279	int i;
[24]	280	for(i = 0; headers[i] != NULL; i += 2) {
	281	tw_write(ssl, sock, headers[i], strlen(headers[i]));
	282	tw_write(ssl, sock, ": ", 2);
	283	tw_write(ssl, sock, headers[i + 1], strlen(headers[i + 1]));
	284	tw_write(ssl, sock, "\r\n", 2);
	285	}
	286	}
[18]	287	tw_write(ssl, sock, "\r\n", 2);
[24]	288	if(doc == NULL && f == NULL) return;
[212]	289	incr = 0;
[18]	290	while(1) {
[22]	291	if(f != NULL) {
[21]	292	char buffer[128];
	293	fread(buffer, size < 128 ? size : 128, 1, f);
	294	tw_write(ssl, sock, buffer, size < 128 ? size : 128);
[22]	295	} else {
[21]	296	tw_write(ssl, sock, (unsigned char*)doc + incr, size < 128 ? size : 128);
	297	}
[18]	298	incr += 128;
[19]	299	if(size <= 128) break;
[18]	300	size -= 128;
	301	}
	302	}
	303
[32]	304	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]	305
[18]	306	const char* tw_http_status(int code) {
[20]	307	if(code == 200) {
	308	return "200 OK";
[166]	309	} else if(code == 301) {
[167]	310	return "301 Moved Permanently";
[24]	311	} else if(code == 308) {
	312	return "308 Permanent Redirect";
[20]	313	} else if(code == 400) {
[18]	314	return "400 Bad Request";
[20]	315	} else if(code == 401) {
	316	return "401 Unauthorized";
	317	} else if(code == 403) {
	318	return "403 Forbidden";
	319	} else if(code == 404) {
	320	return "404 Not Found";
[161]	321	} else if(code == 500) {
	322	return "500 Internal Server Error";
[18]	323	} else {
	324	return "400 Bad Request";
	325	}
	326	}
	327
[123]	328	char* tw_http_default_error(int code, char* name, int port, struct tw_config_entry* vhost) {
[18]	329	char address[1024];
[212]	330	char* st;
	331	char* st2;
	332	char* buffer;
	333	char* str;
	334	int i;
[20]	335
[123]	336	if((vhost->hideport == -1 ? config.root.hideport : vhost->hideport) == 1) {
	337	sprintf(address, "<address>%s Server at %s</address>", tw_server, name, port);
	338	} else {
	339	sprintf(address, "<address>%s Server at %s Port %d</address>", tw_server, name, port);
	340	}
	341
[212]	342	st = cm_strdup(tw_http_status(code));
[20]	343	for(i = 0; st[i] != 0; i++) {
	344	if(st[i] == ' ') {
	345	st2 = cm_strdup(st + i + 1);
	346	break;
	347	}
[18]	348	}
[212]	349	buffer = malloc(4096);
	350	str = cm_strcat3(ERROR_HTML);
[20]	351	sprintf(buffer, str, st, st2);
	352	free(str);
	353	free(st);
	354	return buffer;
[18]	355	}
	356
[123]	357	void tw_http_error(SSL* ssl, int sock, int error, char* name, int port, struct tw_config_entry* vhost) {
	358	char* str = tw_http_default_error(error, name, port, vhost);
[32]	359	tw_process_page(ssl, sock, tw_http_status(error), "text/html", NULL, str, strlen(str), 0, 0);
[18]	360	free(str);
	361	}
	362
[20]	363	void addstring(char** str, const char* add, ...) {
	364	int i;
	365	char cbuf[2];
[212]	366	va_list va;
[20]	367	cbuf[1] = 0;
	368	va_start(va, add);
	369	for(i = 0; add[i] != 0; i++) {
	370	cbuf[0] = add[i];
	371	if(add[i] == '%') {
	372	i++;
	373	if(add[i] == 's') {
	374	char* tmp = *str;
	375	str = cm_strcat(tmp, va_arg(va, const char));
	376	free(tmp);
	377	} else if(add[i] == 'h') {
	378	char* h = cm_html_escape(va_arg(va, const char*));
	379	char* tmp = *str;
	380	*str = cm_strcat(tmp, h);
	381	free(tmp);
	382	free(h);
[21]	383	} else if(add[i] == 'l') {
	384	char* h = cm_url_escape(va_arg(va, const char*));
	385	char* tmp = *str;
	386	*str = cm_strcat(tmp, h);
	387	free(tmp);
	388	free(h);
[20]	389	} else if(add[i] == 'd') {
	390	int n = va_arg(va, int);
	391	char* h = malloc(512);
[212]	392	char* tmp = *str;
[20]	393	sprintf(h, "%d", n);
	394	*str = cm_strcat(tmp, h);
	395	free(tmp);
	396	free(h);
	397	} else if(add[i] == '%') {
	398	char* tmp = *str;
	399	*str = cm_strcat(tmp, "%");
	400	free(tmp);
	401	}
	402	} else {
	403	char* tmp = *str;
	404	*str = cm_strcat(tmp, cbuf);
	405	free(tmp);
	406	}
	407	}
[74]	408	va_end(va);
[20]	409	}
	410
[22]	411	char* tw_get_mime(const char* ext, struct tw_config_entry* vhost_entry) {
	412	char* mime = "application/octet-stream";
	413	bool set = false;
	414	int i;
[212]	415	if(ext == NULL) return mime;
[22]	416	for(i = 0; i < vhost_entry->mime_count; i++) {
[23]	417	if(strcmp(vhost_entry->mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(vhost_entry->mimes[i].ext, ext))) {
[22]	418	mime = vhost_entry->mimes[i].mime;
	419	set = true;
	420	}
	421	}
	422	if(!set) {
	423	for(i = 0; i < config.root.mime_count; i++) {
[23]	424	if(strcmp(config.root.mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(config.root.mimes[i].ext, ext))) {
[22]	425	mime = config.root.mimes[i].mime;
	426	}
	427	}
	428	}
	429	return mime;
	430	}
	431
	432	char* tw_get_icon(const char* mime, struct tw_config_entry* vhost_entry) {
	433	char* icon = "";
	434	bool set = false;
	435	int i;
[212]	436	if(mime == NULL) return "";
[22]	437	for(i = 0; i < vhost_entry->icon_count; i++) {
[23]	438	if(strcmp(vhost_entry->icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(vhost_entry->icons[i].mime, mime))) {
[22]	439	icon = vhost_entry->icons[i].icon;
	440	set = true;
	441	}
	442	}
	443	if(!set) {
	444	for(i = 0; i < config.root.icon_count; i++) {
[23]	445	if(strcmp(config.root.icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(config.root.icons[i].mime, mime))) {
[22]	446	icon = config.root.icons[i].icon;
	447	}
	448	}
	449	}
	450	return icon;
	451	}
	452
[11]	453	struct pass_entry {
	454	int sock;
[12]	455	int port;
[11]	456	bool ssl;
[21]	457	SOCKADDR addr;
[11]	458	};
	459
[219]	460	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[216]	461	#define NO_RETURN_THREAD
[215]	462	void tw_server_pass(void* ptr) {
[97]	463	#elif defined(__HAIKU__)
	464	int32_t tw_server_pass(void* ptr) {
[187]	465	#elif defined(_PSP) \|\| defined(__PPU__)
[183]	466	int tw_server_pass(void* ptr) {
[105]	467	#endif
[219]	468	#if defined(__HAIKU__) \|\| defined(__MINGW32__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	469	#define FREE_PTR
[11]	470	int sock = ((struct pass_entry*)ptr)->sock;
	471	bool ssl = ((struct pass_entry*)ptr)->ssl;
[14]	472	int port = ((struct pass_entry*)ptr)->port;
[21]	473	SOCKADDR addr = ((struct pass_entry*)ptr)->addr;
[11]	474	#else
[216]	475	#define NO_RETURN_THREAD
[105]	476	void tw_server_pass(int sock, bool ssl, int port, SOCKADDR addr) {
[11]	477	#endif
[212]	478	SSL* s = NULL;
[43]	479	#ifndef NO_SSL
[12]	480	SSL_CTX* ctx = NULL;
[15]	481	bool sslworks = false;
[12]	482	if(ssl) {
	483	ctx = tw_create_ssl_ctx(port);
	484	s = SSL_new(ctx);
	485	SSL_set_fd(s, sock);
	486	if(SSL_accept(s) <= 0) goto cleanup;
[15]	487	sslworks = true;
[12]	488	}
[43]	489	#endif
[212]	490	char* name = config.hostname;
[116]	491	char address[513];
[212]	492	int ret;
	493	struct tw_http_request req;
	494	struct tw_http_response res;
	495	struct tw_tool tools;
[254]	496	char* addrstr;
	497	#ifndef NO_GETNAMEINFO
[116]	498	struct sockaddr* sa = (struct sockaddr*)&addr;
	499	getnameinfo(sa, sizeof(addr), address, 512, NULL, 0, NI_NUMERICHOST);
[163]	500	#endif
[254]	501	addrstr = inet_ntoa(addr.sin_addr);
	502	strcpy(address, addrstr);
	503	address[strlen(addrstr)] = 0;
[212]	504	#ifdef FREE_PTR
	505	free(ptr);
	506	#endif
[116]	507
[20]	508	res._processed = false;
	509	tw_init_tools(&tools);
[212]	510	ret = tw_http_parse(s, sock, &req);
[17]	511	if(ret == 0) {
[116]	512	char date[513];
	513	time_t t = time(NULL);
	514	struct tm* tm = localtime(&t);
[212]	515	char* useragent = cm_strdup("");
	516	int i;
	517	char* tmp;
	518	char* tmp2;
	519	char* tmp3;
	520	char* tmp4;
	521	char* tmp5;
	522	char* log;
	523	char* vhost;
	524	time_t cmtime;
	525	bool rej;
	526	char* host;
	527	int port;
	528	struct tw_config_entry* vhost_entry;
[116]	529	strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
	530
[117]	531	for(i = 0; req.headers[i] != NULL; i += 2) {
	532	if(cm_strcaseequ(req.headers[i], "User-Agent")) {
[116]	533	free(useragent);
	534	useragent = cm_strdup(req.headers[i + 1]);
	535	}
	536	}
	537
[212]	538	tmp = cm_strcat3(address, " - [", date);
	539	tmp2 = cm_strcat3(tmp, "] \"", req.method);
	540	tmp3 = cm_strcat3(tmp2, " ", req.path);
	541	tmp4 = cm_strcat3(tmp3, " ", req.version);
	542	tmp5 = cm_strcat3(tmp4, "\" \"", useragent);
	543	log = cm_strcat(tmp5, "\"");
[116]	544	free(tmp);
	545	free(tmp2);
	546	free(tmp3);
	547	free(tmp4);
	548	free(tmp5);
	549	free(useragent);
	550	cm_force_log(log);
	551	free(log);
	552
[212]	553	vhost = cm_strdup(config.hostname);
	554	cmtime = 0;
[70]	555	if(req.headers != NULL) {
[64]	556	for(i = 0; req.headers[i] != NULL; i += 2) {
	557	if(cm_strcaseequ(req.headers[i], "Host")) {
	558	free(vhost);
	559	vhost = cm_strdup(req.headers[i + 1]);
	560	} else if(cm_strcaseequ(req.headers[i], "If-Modified-Since")) {
	561	struct tm tm;
[212]	562	time_t t;
	563	struct tm* btm;
[64]	564	strptime(req.headers[i + 1], "%a, %d %b %Y %H:%M:%S GMT", &tm);
[219]	565	#if defined(__MINGW32__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(__ps2sdk__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	566	t = 0;
	567	btm = localtime(&t);
[64]	568	cmtime = mktime(&tm);
	569	cmtime -= (btm->tm_hour * 60 + btm->tm_min) * 60;
[32]	570	#else
[140]	571	cmtime = timegm(&tm);
[32]	572	#endif
[64]	573	}
[21]	574	}
	575	}
[212]	576	rej = false;
[21]	577	cm_log("Server", "Host is %s", vhost);
[212]	578	port = s == NULL ? 80 : 443;
	579	host = cm_strdup(vhost);
[22]	580	for(i = 0; vhost[i] != 0; i++) {
	581	if(vhost[i] == ':') {
[21]	582	host[i] = 0;
	583	port = atoi(host + i + 1);
	584	break;
	585	}
	586	}
[136]	587	name = host;
[21]	588	cm_log("Server", "Hostname is `%s', port is `%d'", host, port);
[212]	589	vhost_entry = tw_vhost_match(host, port);
[161]	590	#ifdef HAS_CHROOT
	591	char* chrootpath = vhost_entry->chroot_path != NULL ? vhost_entry->chroot_path : config.root.chroot_path;
	592	if(chrootpath != NULL) {
	593	if(chdir(chrootpath) == 0) {
	594	if(chroot(".") == 0) {
	595	cm_log("Server", "Chroot successful");
	596	}
	597	} else {
	598	cm_log("Server", "chdir() failed, cannot chroot");
	599	tw_http_error(s, sock, 500, name, port, vhost_entry);
	600	rej = true;
	601	}
	602	}
	603	#endif
[20]	604	for(i = 0; i < config.module_count; i++) {
	605	tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "mod_request");
	606	if(mod_req != NULL) {
	607	int ret = mod_req(&tools, &req, &res);
	608	int co = ret & 0xff;
[141]	609	if(co == _TW_MODULE_PASS) {
	610	continue;
	611	} else if(co == _TW_MODULE_STOP) {
	612	/* Handle response here ... */
[20]	613	res._processed = true;
	614	break;
[141]	615	} else if(co == _TW_MODULE_STOP2) {
	616	res._processed = true;
	617	break;
	618	} else if(co == _TW_MODULE_ERROR) {
[123]	619	tw_http_error(s, sock, (ret & 0xffff00) >> 8, name, port, vhost_entry);
[20]	620	break;
	621	}
	622	}
	623	}
	624	if(!res._processed) {
[212]	625	char* path;
	626	char* rpath;
	627	struct stat st;
[215]	628	char* slash;
[21]	629	cm_log("Server", "Document root is %s", vhost_entry->root == NULL ? "not set" : vhost_entry->root);
[212]	630	path = cm_strcat(vhost_entry->root == NULL ? "" : vhost_entry->root, req.path);
[21]	631	cm_log("Server", "Filesystem path is %s", path);
[219]	632	#if defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[216]	633	for(i = strlen(path) - 1; i >= 0; i--) {
	634	if(path[i] == '/') {
[215]	635	path[i] = 0;
[216]	636	} else {
[215]	637	break;
	638	}
	639	}
	640	#endif
[219]	641	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	642	rpath = cm_strdup(path);
[72]	643	for(i = strlen(rpath) - 1; i >= 0; i--) {
[73]	644	if(rpath[i] == '/') {
	645	int j;
	646	for(j = i + 1; rpath[j] != 0; j++) {
	647	if(rpath[j] == ':' \|\| rpath[j] == '.') {
	648	rpath[j] = 0;
	649	break;
	650	}
	651	}
[71]	652	break;
	653	}
	654	}
[70]	655	for(i = 0; i < sizeof(reserved_names) / sizeof(reserved_names[0]); i++) {
	656	char* n = cm_strcat("/", reserved_names[i]);
[71]	657	if(cm_nocase_endswith(rpath, n)) {
[124]	658	tw_http_error(s, sock, 403, name, port, vhost_entry);
[70]	659	free(n);
	660	rej = true;
	661	cm_log("Server", "XP Patch ; rejecting access to device");
	662	break;
	663	}
	664	free(n);
	665	}
[71]	666	free(rpath);
[70]	667	#endif
	668	if(!rej && stat(path, &st) == 0) {
[22]	669	if(!tw_permission_allowed(path, addr, req, vhost_entry)) {
[123]	670	tw_http_error(s, sock, 403, name, port, vhost_entry);
[22]	671	} else if(S_ISDIR(st.st_mode)) {
[24]	672	if(req.path[strlen(req.path) - 1] != '/') {
[215]	673	char* headers[3] = {"Location", NULL, NULL};
	674	headers[1] = cm_strcat(req.path, "/");
[61]	675	cm_log("Server", "Accessing directory without the slash at the end");
[166]	676	_tw_process_page(s, sock, tw_http_status(301), NULL, NULL, NULL, 0, headers, 0, 0);
[24]	677	free(headers[1]);
	678	} else {
	679	char** indexes = vhost_entry->index_count == 0 ? config.root.indexes : vhost_entry->indexes;
	680	int index_count = vhost_entry->index_count == 0 ? config.root.index_count : vhost_entry->index_count;
	681	bool found = false;
	682	for(i = 0; i < index_count; i++) {
	683	char* p = cm_strcat3(path, "/", indexes[i]);
	684	FILE* f = fopen(p, "rb");
	685	if(f != NULL) {
	686	char* ext = NULL;
	687	int j;
[212]	688	struct stat st;
	689	char* mime;
[24]	690	for(j = strlen(p) - 1; j >= 0; j--) {
	691	if(p[j] == '.') {
	692	ext = cm_strdup(p + j);
	693	break;
	694	} else if(p[j] == '/') {
	695	break;
	696	}
[22]	697	}
[24]	698	stat(p, &st);
[212]	699	mime = tw_get_mime(ext, vhost_entry);
[32]	700	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, 0, 0);
[24]	701	fclose(f);
[74]	702	if(ext != NULL) free(ext);
[24]	703	free(p);
	704	found = true;
	705	break;
[22]	706	}
[24]	707	free(p);
	708	}
	709	if(!found) {
	710	char* str = malloc(1);
[212]	711	char** items;
	712	int readme;
	713	char** readmes;
	714	int readme_count;
	715	int hp;
[24]	716	str[0] = 0;
[212]	717	items = cm_scandir(path);
[122]	718	addstring(&str, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n");
[24]	719	addstring(&str, "<html>\n");
	720	addstring(&str, " <head>\n");
	721	addstring(&str, " <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n");
[122]	722	addstring(&str, " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n");
[24]	723	addstring(&str, " <title>Index of %h</title>\n", req.path);
	724	addstring(&str, " </head>\n");
	725	addstring(&str, " <body>\n");
	726	addstring(&str, " <h1>Index of %h</h1>\n", req.path);
	727	addstring(&str, " <hr>\n");
	728	addstring(&str, " <table border=\"0\">\n");
	729	addstring(&str, " <tr>\n");
	730	addstring(&str, " <th></th>\n");
	731	addstring(&str, " <th>Filename</th>\n");
[28]	732	addstring(&str, " <th>MIME</th>\n");
	733	addstring(&str, " <th>Size</th>\n");
[24]	734	addstring(&str, " </tr>\n");
[212]	735	readme = -1;
	736	readmes = vhost_entry->readme_count == 0 ? config.root.readmes : vhost_entry->readmes;
	737	readme_count = vhost_entry->readme_count == 0 ? config.root.readme_count : vhost_entry->readme_count;
[24]	738	if(items != NULL) {
[29]	739	int phase = 0;
	740	doit:
[24]	741	for(i = 0; items[i] != NULL; i++) {
[33]	742	int j;
[212]	743	char* ext;
	744	char* itm;
	745	char* icon;
[28]	746	char* fpth = cm_strcat3(path, "/", items[i]);
	747	struct stat s;
	748	char size[512];
[212]	749	char* showmime;
	750	char* mime;
[28]	751	size[0] = 0;
	752	stat(fpth, &s);
[29]	753	if(phase == 0 && !S_ISDIR(s.st_mode)) {
	754	free(fpth);
	755	continue;
	756	} else if(phase == 1 && S_ISDIR(s.st_mode)) {
	757	free(fpth);
	758	continue;
	759	}
[33]	760	if(readme == -1) {
	761	for(j = 0; j < readme_count; j++) {
	762	if(strcmp(items[i], readmes[j]) == 0) {
	763	readme = j;
	764	break;
	765	}
	766	}
	767	if(readme != -1) {
	768	free(fpth);
	769	continue;
	770	}
	771	}
[212]	772	if(s.st_size < NUM1024) {
[31]	773	sprintf(size, "%d", (int)s.st_size);
[212]	774	} else if(s.st_size < NUM1024 * 1024) {
[29]	775	sprintf(size, "%.1fK", (double)s.st_size / 1024);
[212]	776	} else if(s.st_size < NUM1024 * 1024 * 1024) {
[29]	777	sprintf(size, "%.1fM", (double)s.st_size / 1024 / 1024);
[212]	778	} else if(s.st_size < NUM1024 * 1024 * 1024 * 1024) {
[29]	779	sprintf(size, "%.1fG", (double)s.st_size / 1024 / 1024 / 1024);
[212]	780	} else if(s.st_size < NUM1024 * 1024 * 1024 * 1024 * 1024) {
[29]	781	sprintf(size, "%.1fT", (double)s.st_size / 1024 / 1024 / 1024 / 1024);
[28]	782	}
	783
	784	free(fpth);
	785
[212]	786	ext = NULL;
[24]	787	for(j = strlen(items[i]) - 1; j >= 0; j--) {
	788	if(items[i][j] == '.') {
	789	ext = cm_strdup(items[i] + j);
	790	break;
	791	} else if(items[i][j] == '/') {
	792	break;
	793	}
	794	}
[212]	795	showmime = "";
	796	mime = tw_get_mime(ext, vhost_entry);
[24]	797	if(strcmp(items[i], "../") == 0) {
	798	mime = "misc/parent";
[29]	799	size[0] = 0;
[24]	800	} else if(items[i][strlen(items[i]) - 1] == '/') {
	801	mime = "misc/dir";
[29]	802	size[0] = 0;
	803	} else {
[28]	804	showmime = mime;
[24]	805	}
[212]	806	icon = tw_get_icon(mime, vhost_entry);
[24]	807	if(ext != NULL) free(ext);
[212]	808	itm = cm_strdup(items[i]);
[24]	809	if(strlen(itm) >= 32) {
	810	if(itm[strlen(itm) - 1] == '/') {
	811	itm[31] = 0;
	812	itm[30] = '/';
	813	itm[29] = '.';
	814	itm[28] = '.';
	815	itm[27] = '.';
	816	} else {
	817	itm[31] = 0;
	818	itm[30] = '.';
	819	itm[29] = '.';
	820	itm[28] = '.';
	821	}
	822	}
	823	addstring(&str, "<tr>\n");
	824	addstring(&str, " <td><img src=\"%s\" alt=\"icon\"></td>\n", icon);
	825	addstring(&str, " <td><a href=\"%l\"><code>%h</code></a></td>\n", items[i], itm);
[60]	826	addstring(&str, " <td><code> %h </code></td>\n", showmime);
	827	addstring(&str, " <td><code> %s </code></td>\n", size);
[24]	828	addstring(&str, "</tr>\n");
	829	free(itm);
[22]	830	}
[29]	831	phase++;
	832	if(phase != 2) goto doit;
	833	for(i = 0; items[i] != NULL; i++) free(items[i]);
	834	free(items);
[22]	835	}
[24]	836	addstring(&str, " </table>\n");
[33]	837	if(readme != -1) {
[212]	838	struct stat s;
	839	FILE* fr;
	840	char* fpth;
[33]	841	addstring(&str, "<hr>\n");
[212]	842	fpth = cm_strcat3(path, "/", readmes[readme]);
[33]	843	stat(fpth, &s);
[212]	844	fr = fopen(fpth, "r");
[33]	845	if(fr != NULL) {
	846	char* rmbuf = malloc(s.st_size + 1);
	847	rmbuf[s.st_size] = 0;
	848	fread(rmbuf, s.st_size, 1, fr);
	849	addstring(&str, "<pre><code>%h</code></pre>\n", rmbuf);
	850	fclose(fr);
[70]	851	free(rmbuf);
[33]	852	}
[66]	853	free(fpth);
[33]	854	}
[24]	855	addstring(&str, " <hr>\n");
[212]	856	hp = vhost_entry->hideport == -1 ? config.root.hideport : vhost_entry->hideport;
[123]	857	if(hp == 0) {
	858	addstring(&str, " <address>%s Server at %s Port %d</address>\n", tw_server, name, port);
	859	} else {
	860	addstring(&str, " <address>%s Server at %s</address>\n", tw_server, name, port);
	861	}
[24]	862	addstring(&str, " </body>\n");
	863	addstring(&str, "</html>\n");
[32]	864	tw_process_page(s, sock, tw_http_status(200), "text/html", NULL, str, strlen(str), 0, 0);
[24]	865	free(str);
[21]	866	}
	867	}
[22]	868	} else {
[21]	869	char* ext = NULL;
[212]	870	char* mime;
	871	FILE* f;
[22]	872	for(i = strlen(req.path) - 1; i >= 0; i--) {
	873	if(req.path[i] == '.') {
[21]	874	ext = cm_strdup(req.path + i);
	875	break;
[24]	876	} else if(req.path[i] == '/') {
	877	break;
[21]	878	}
	879	}
[212]	880	mime = tw_get_mime(ext, vhost_entry);
[21]	881	if(ext != NULL) free(ext);
[212]	882	f = fopen(path, "rb");
[173]	883	if(f == NULL) {
	884	tw_http_error(s, sock, 403, name, port, vhost_entry);
	885	} else {
	886	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, st.st_mtime, cmtime);
	887	fclose(f);
	888	}
[21]	889	}
[22]	890	} else {
[161]	891	if(!rej) {
	892	tw_http_error(s, sock, 404, name, port, vhost_entry);
	893	}
[21]	894	}
	895	free(path);
[20]	896	}
[21]	897	free(vhost);
	898	free(host);
[22]	899	} else if(ret == -1) {
[18]	900	} else {
[123]	901	tw_http_error(s, sock, 400, name, port, &config.root);
[17]	902	}
[70]	903	tw_free_request(&req);
[12]	904	cleanup:
[43]	905	#ifndef NO_SSL
[16]	906	if(sslworks) {
[15]	907	SSL_shutdown(s);
	908	}
	909	SSL_free(s);
[46]	910	#endif
[11]	911	close_socket(sock);
[219]	912	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[216]	913	_endthread();
[100]	914	#elif defined(__HAIKU__)
[105]	915	exit_thread(0);
[11]	916	#endif
[216]	917	#ifndef NO_RETURN_THREAD
[214]	918	return 0;
[215]	919	#endif
[11]	920	}
	921
[62]	922	#ifdef SERVICE
	923	extern SERVICE_STATUS status;
	924	extern SERVICE_STATUS_HANDLE status_handle;
	925	#endif
	926
[219]	927	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[65]	928	struct thread_entry {
[101]	929	#ifdef __HAIKU__
	930	thread_id thread;
	931	#else
[65]	932	HANDLE handle;
[101]	933	#endif
[65]	934	bool used;
	935	};
	936	#endif
	937
[183]	938	extern int running;
	939
[11]	940	void tw_server_loop(void) {
[68]	941	int i;
[212]	942	#ifndef USE_POLL
[213]	943	fd_set fdset;
	944	struct timeval tv;
[212]	945	#endif
[219]	946	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[65]	947	struct thread_entry threads[2048];
[70]	948	for(i = 0; i < sizeof(threads) / sizeof(threads[0]); i++) {
[65]	949	threads[i].used = false;
	950	}
	951	#endif
[118]	952	#ifdef USE_POLL
	953	struct pollfd pollfds[sockcount];
	954	for(i = 0; i < sockcount; i++) {
	955	pollfds[i].fd = sockets[i];
	956	pollfds[i].events = POLLIN \| POLLPRI;
	957	}
	958	#endif
[183]	959	while(running) {
[212]	960	int ret;
[118]	961	#ifdef USE_POLL
[212]	962	ret = poll(pollfds, sockcount, 1000);
[118]	963	#else
	964	FD_ZERO(&fdset);
	965	for(i = 0; i < sockcount; i++) {
	966	FD_SET(sockets[i], &fdset);
	967	}
	968	tv.tv_sec = 1;
	969	tv.tv_usec = 0;
[86]	970	#ifdef __HAIKU__
[212]	971	ret = select(32, &fdset, NULL, NULL, &tv);
[86]	972	#else
[212]	973	ret = select(FD_SETSIZE, &fdset, NULL, NULL, &tv);
[86]	974	#endif
[118]	975	#endif
[11]	976	if(ret == -1) {
[219]	977	#if !defined(__MINGW32__) && !defined(_MSC_VER) && !defined(__BORLANDC__) && !defined(__WATCOMC__)
[84]	978	cm_log("Server", "Select failure: %s", strerror(errno));
	979	#endif
[9]	980	break;
[70]	981	} else if(ret == 0) {
[62]	982	#ifdef SERVICE
[70]	983	if(status.dwCurrentState == SERVICE_STOP_PENDING) {
[62]	984	break;
	985	}
	986	#endif
[11]	987	} else if(ret > 0) {
[9]	988	/* connection */
	989	int i;
[11]	990	for(i = 0; i < sockcount; i++) {
[118]	991	bool cond;
	992	#ifdef USE_POLL
	993	cond = pollfds[i].revents & POLLIN;
	994	#else
	995	cond = FD_ISSET(sockets[i], &fdset);
	996	#endif
	997	if(cond) {
[9]	998	SOCKADDR claddr;
[182]	999	socklen_t clen = sizeof(claddr);
[9]	1000	int sock = accept(sockets[i], (struct sockaddr*)&claddr, &clen);
[219]	1001	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	1002	int j;
	1003	struct pass_entry* e = malloc(sizeof(*e));
[12]	1004	cm_log("Server", "New connection accepted");
[11]	1005	e->sock = sock;
[215]	1006	#if defined(_MSC_VER) \|\| defined(__BORLANDC__)
[212]	1007	e->ssl = config.ports[i] & (1UL << 31);
	1008	#else
	1009	e->ssl = config.ports[i] & (1ULL << 31);
	1010	#endif
[12]	1011	e->port = config.ports[i];
[21]	1012	e->addr = claddr;
[97]	1013	#endif
[219]	1014	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	1015	_beginthread(tw_server_pass, 0, e);
[187]	1016	#elif defined(_PSP) \|\| defined(__PPU__)
[183]	1017	tw_server_pass(e);
[97]	1018	#elif defined(__HAIKU__)
[183]	1019	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	1020	if(threads[j].used) {
	1021	thread_info info;
	1022	bool kill = false;
	1023	if(get_thread_info(threads[j].thread, &info) == B_OK) {
	1024	} else {
	1025	kill = true;
[101]	1026	}
[183]	1027	if(kill) {
	1028	threads[j].used = false;
[101]	1029	}
	1030	}
[183]	1031	}
	1032	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	1033	if(!threads[j].used) {
	1034	threads[j].thread = spawn_thread(tw_server_pass, "Tewi HTTPd", 60, e);
	1035	threads[j].used = true;
	1036	resume_thread(threads[j].thread);
	1037	break;
	1038	}
	1039	}
[11]	1040	#else
	1041	pid_t pid = fork();
	1042	if(pid == 0) {
[89]	1043	int j;
	1044	for(j = 0; j < sockcount; j++) close_socket(sockets[j]);
[212]	1045	tw_server_pass(sock, config.ports[i] & (1ULL << 31), config.ports[i], claddr);
[11]	1046	_exit(0);
	1047	} else {
	1048	close_socket(sock);
	1049	}
	1050	#endif
[9]	1051	}
	1052	}
	1053	}
	1054	}
[254]	1055	for(i = 0; i < sockcount; i++) {
[253]	1056	close_socket(sockets[i]);
	1057	}
	1058	cm_force_log("Server is down");
[9]	1059	}

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source: Main/2.03E/Server/server.c@ 254

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