server.c@ 275

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Last change on this file since 275 was 275, checked in by Nishi, on Oct 8, 2024 at 8:00:48 PM
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[8]	1	/* $Id: server.c 275 2024-10-08 11:00:48Z 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__)
[255]	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
[255]	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
[272]	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	}
[275]	160	#if !defined(__PPU__) && !defined(__minix)
[8]	161	if(setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(yes)) < 0) {
[274]	162	#endif
[8]	163	close_socket(sock);
	164	cm_log("Server", "setsockopt failure (nodelay)");
	165	return 1;
	166	}
[187]	167	#endif
[8]	168	#ifndef NO_IPV6
	169	if(setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&no, sizeof(no)) < 0) {
	170	close_socket(sock);
	171	cm_log("Server", "setsockopt failure (IPv6)");
	172	return 1;
	173	}
	174	#endif
	175	memset(&addresses[i], 0, sizeof(addresses[i]));
	176	#ifdef NO_IPV6
	177	addresses[i].sin_family = AF_INET;
	178	addresses[i].sin_addr.s_addr = INADDR_ANY;
[214]	179	addresses[i].sin_port = htons(config.ports[i] & 0xffff);
[8]	180	#else
	181	addresses[i].sin6_family = AF_INET6;
	182	addresses[i].sin6_addr = in6addr_any;
[214]	183	addresses[i].sin6_port = htons(config.ports[i] & 0xffff);
[8]	184	#endif
	185	if(bind(sock, (struct sockaddr*)&addresses[i], sizeof(addresses[i])) < 0) {
	186	close_socket(sock);
	187	cm_log("Server", "Bind failure");
	188	return 1;
	189	}
	190	if(listen(sock, 128) < 0) {
	191	close_socket(sock);
	192	cm_log("Server", "Listen failure");
	193	return 1;
	194	}
	195	sockets[i] = sock;
	196	}
	197	return 0;
	198	}
[9]	199
[16]	200	size_t tw_read(SSL* ssl, int s, void* data, size_t len) {
[43]	201	#ifndef NO_SSL
[16]	202	if(ssl == NULL) {
	203	return recv(s, data, len, 0);
	204	} else {
	205	return SSL_read(ssl, data, len);
	206	}
[43]	207	#else
	208	return recv(s, data, len, 0);
	209	#endif
[16]	210	}
	211
	212	size_t tw_write(SSL* ssl, int s, void* data, size_t len) {
[43]	213	#ifndef NO_SSL
[16]	214	if(ssl == NULL) {
	215	return send(s, data, len, 0);
	216	} else {
	217	return SSL_write(ssl, data, len);
	218	}
[43]	219	#else
	220	return send(s, data, len, 0);
	221	#endif
[16]	222	}
	223
[20]	224	#define ERROR_HTML \
[18]	225	"<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n" \
	226	"<html>\n" \
	227	" <head>\n" \
[20]	228	" <title>%s</title>\n" \
[18]	229	" </head>\n" \
	230	" <body>\n" \
[20]	231	" <h1>%s</h1>\n" \
[18]	232	" <hr>\n" \
	233	" ", \
	234	address, \
	235	"\n" \
	236	" </body>\n" \
	237	"</html>\n"
	238
[32]	239	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]	240	char construct[512];
[212]	241	size_t incr;
[32]	242	if(mtime != 0 && cmtime != 0 && mtime <= cmtime) {
	243	status = "304 Not Modified";
	244	type = NULL;
	245	size = 0;
	246	headers = NULL;
	247	f = NULL;
	248	doc = NULL;
	249	}
[215]	250	#if defined(_MSC_VER) \|\| defined(__BORLANDC__)
[212]	251	sprintf(construct, "%lu", (unsigned long)size);
	252	#else
[18]	253	sprintf(construct, "%llu", (unsigned long long)size);
[212]	254	#endif
[18]	255	tw_write(ssl, sock, "HTTP/1.1 ", 9);
	256	tw_write(ssl, sock, (char*)status, strlen(status));
	257	tw_write(ssl, sock, "\r\n", 2);
[24]	258	if(type != NULL) {
	259	tw_write(ssl, sock, "Content-Type: ", 7 + 5 + 2);
	260	tw_write(ssl, sock, (char*)type, strlen(type));
	261	tw_write(ssl, sock, "\r\n", 2);
	262	}
[18]	263	tw_write(ssl, sock, "Server: ", 6 + 2);
	264	tw_write(ssl, sock, tw_server, strlen(tw_server));
	265	tw_write(ssl, sock, "\r\n", 2);
[24]	266	if(size != 0) {
	267	tw_write(ssl, sock, "Content-Length: ", 7 + 7 + 2);
	268	tw_write(ssl, sock, construct, strlen(construct));
	269	tw_write(ssl, sock, "\r\n", 2);
[32]	270	if(mtime != 0) {
	271	struct tm* tm = gmtime(&mtime);
	272	char date[513];
	273	strftime(date, 512, "%a, %d %b %Y %H:%M:%S GMT", tm);
	274	tw_write(ssl, sock, "Last-Modified: ", 5 + 8 + 2);
	275	tw_write(ssl, sock, date, strlen(date));
	276	tw_write(ssl, sock, "\r\n", 2);
	277	}
[24]	278	}
	279	if(headers != NULL) {
[212]	280	int i;
[24]	281	for(i = 0; headers[i] != NULL; i += 2) {
	282	tw_write(ssl, sock, headers[i], strlen(headers[i]));
	283	tw_write(ssl, sock, ": ", 2);
	284	tw_write(ssl, sock, headers[i + 1], strlen(headers[i + 1]));
	285	tw_write(ssl, sock, "\r\n", 2);
	286	}
	287	}
[18]	288	tw_write(ssl, sock, "\r\n", 2);
[24]	289	if(doc == NULL && f == NULL) return;
[212]	290	incr = 0;
[18]	291	while(1) {
[22]	292	if(f != NULL) {
[21]	293	char buffer[128];
	294	fread(buffer, size < 128 ? size : 128, 1, f);
	295	tw_write(ssl, sock, buffer, size < 128 ? size : 128);
[22]	296	} else {
[21]	297	tw_write(ssl, sock, (unsigned char*)doc + incr, size < 128 ? size : 128);
	298	}
[18]	299	incr += 128;
[19]	300	if(size <= 128) break;
[18]	301	size -= 128;
	302	}
	303	}
	304
[32]	305	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]	306
[18]	307	const char* tw_http_status(int code) {
[20]	308	if(code == 200) {
	309	return "200 OK";
[166]	310	} else if(code == 301) {
[167]	311	return "301 Moved Permanently";
[24]	312	} else if(code == 308) {
	313	return "308 Permanent Redirect";
[20]	314	} else if(code == 400) {
[18]	315	return "400 Bad Request";
[20]	316	} else if(code == 401) {
	317	return "401 Unauthorized";
	318	} else if(code == 403) {
	319	return "403 Forbidden";
	320	} else if(code == 404) {
	321	return "404 Not Found";
[161]	322	} else if(code == 500) {
	323	return "500 Internal Server Error";
[18]	324	} else {
	325	return "400 Bad Request";
	326	}
	327	}
	328
[123]	329	char* tw_http_default_error(int code, char* name, int port, struct tw_config_entry* vhost) {
[18]	330	char address[1024];
[212]	331	char* st;
	332	char* st2;
	333	char* buffer;
	334	char* str;
	335	int i;
[20]	336
[123]	337	if((vhost->hideport == -1 ? config.root.hideport : vhost->hideport) == 1) {
	338	sprintf(address, "<address>%s Server at %s</address>", tw_server, name, port);
	339	} else {
	340	sprintf(address, "<address>%s Server at %s Port %d</address>", tw_server, name, port);
	341	}
	342
[212]	343	st = cm_strdup(tw_http_status(code));
[20]	344	for(i = 0; st[i] != 0; i++) {
	345	if(st[i] == ' ') {
	346	st2 = cm_strdup(st + i + 1);
	347	break;
	348	}
[18]	349	}
[212]	350	buffer = malloc(4096);
	351	str = cm_strcat3(ERROR_HTML);
[20]	352	sprintf(buffer, str, st, st2);
	353	free(str);
	354	free(st);
	355	return buffer;
[18]	356	}
	357
[123]	358	void tw_http_error(SSL* ssl, int sock, int error, char* name, int port, struct tw_config_entry* vhost) {
	359	char* str = tw_http_default_error(error, name, port, vhost);
[32]	360	tw_process_page(ssl, sock, tw_http_status(error), "text/html", NULL, str, strlen(str), 0, 0);
[18]	361	free(str);
	362	}
	363
[20]	364	void addstring(char** str, const char* add, ...) {
	365	int i;
	366	char cbuf[2];
[212]	367	va_list va;
[20]	368	cbuf[1] = 0;
	369	va_start(va, add);
	370	for(i = 0; add[i] != 0; i++) {
	371	cbuf[0] = add[i];
	372	if(add[i] == '%') {
	373	i++;
	374	if(add[i] == 's') {
	375	char* tmp = *str;
	376	str = cm_strcat(tmp, va_arg(va, const char));
	377	free(tmp);
	378	} else if(add[i] == 'h') {
	379	char* h = cm_html_escape(va_arg(va, const char*));
	380	char* tmp = *str;
	381	*str = cm_strcat(tmp, h);
	382	free(tmp);
	383	free(h);
[21]	384	} else if(add[i] == 'l') {
	385	char* h = cm_url_escape(va_arg(va, const char*));
	386	char* tmp = *str;
	387	*str = cm_strcat(tmp, h);
	388	free(tmp);
	389	free(h);
[20]	390	} else if(add[i] == 'd') {
	391	int n = va_arg(va, int);
	392	char* h = malloc(512);
[212]	393	char* tmp = *str;
[20]	394	sprintf(h, "%d", n);
	395	*str = cm_strcat(tmp, h);
	396	free(tmp);
	397	free(h);
	398	} else if(add[i] == '%') {
	399	char* tmp = *str;
	400	*str = cm_strcat(tmp, "%");
	401	free(tmp);
	402	}
	403	} else {
	404	char* tmp = *str;
	405	*str = cm_strcat(tmp, cbuf);
	406	free(tmp);
	407	}
	408	}
[74]	409	va_end(va);
[20]	410	}
	411
[22]	412	char* tw_get_mime(const char* ext, struct tw_config_entry* vhost_entry) {
	413	char* mime = "application/octet-stream";
	414	bool set = false;
	415	int i;
[212]	416	if(ext == NULL) return mime;
[22]	417	for(i = 0; i < vhost_entry->mime_count; i++) {
[23]	418	if(strcmp(vhost_entry->mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(vhost_entry->mimes[i].ext, ext))) {
[22]	419	mime = vhost_entry->mimes[i].mime;
	420	set = true;
	421	}
	422	}
	423	if(!set) {
	424	for(i = 0; i < config.root.mime_count; i++) {
[23]	425	if(strcmp(config.root.mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(config.root.mimes[i].ext, ext))) {
[22]	426	mime = config.root.mimes[i].mime;
	427	}
	428	}
	429	}
	430	return mime;
	431	}
	432
	433	char* tw_get_icon(const char* mime, struct tw_config_entry* vhost_entry) {
	434	char* icon = "";
	435	bool set = false;
	436	int i;
[212]	437	if(mime == NULL) return "";
[22]	438	for(i = 0; i < vhost_entry->icon_count; i++) {
[23]	439	if(strcmp(vhost_entry->icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(vhost_entry->icons[i].mime, mime))) {
[22]	440	icon = vhost_entry->icons[i].icon;
	441	set = true;
	442	}
	443	}
	444	if(!set) {
	445	for(i = 0; i < config.root.icon_count; i++) {
[23]	446	if(strcmp(config.root.icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(config.root.icons[i].mime, mime))) {
[22]	447	icon = config.root.icons[i].icon;
	448	}
	449	}
	450	}
	451	return icon;
	452	}
	453
[11]	454	struct pass_entry {
	455	int sock;
[12]	456	int port;
[11]	457	bool ssl;
[21]	458	SOCKADDR addr;
[11]	459	};
	460
[219]	461	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[216]	462	#define NO_RETURN_THREAD
[215]	463	void tw_server_pass(void* ptr) {
[97]	464	#elif defined(__HAIKU__)
	465	int32_t tw_server_pass(void* ptr) {
[187]	466	#elif defined(_PSP) \|\| defined(__PPU__)
[183]	467	int tw_server_pass(void* ptr) {
[105]	468	#endif
[219]	469	#if defined(__HAIKU__) \|\| defined(__MINGW32__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	470	#define FREE_PTR
[11]	471	int sock = ((struct pass_entry*)ptr)->sock;
	472	bool ssl = ((struct pass_entry*)ptr)->ssl;
[14]	473	int port = ((struct pass_entry*)ptr)->port;
[21]	474	SOCKADDR addr = ((struct pass_entry*)ptr)->addr;
[11]	475	#else
[216]	476	#define NO_RETURN_THREAD
[105]	477	void tw_server_pass(int sock, bool ssl, int port, SOCKADDR addr) {
[11]	478	#endif
[212]	479	SSL* s = NULL;
[43]	480	#ifndef NO_SSL
[12]	481	SSL_CTX* ctx = NULL;
[15]	482	bool sslworks = false;
[12]	483	if(ssl) {
	484	ctx = tw_create_ssl_ctx(port);
	485	s = SSL_new(ctx);
	486	SSL_set_fd(s, sock);
	487	if(SSL_accept(s) <= 0) goto cleanup;
[15]	488	sslworks = true;
[12]	489	}
[43]	490	#endif
[212]	491	char* name = config.hostname;
[116]	492	char address[513];
[212]	493	int ret;
	494	struct tw_http_request req;
	495	struct tw_http_response res;
	496	struct tw_tool tools;
[255]	497	char* addrstr;
	498	#ifndef NO_GETNAMEINFO
[116]	499	struct sockaddr* sa = (struct sockaddr*)&addr;
	500	getnameinfo(sa, sizeof(addr), address, 512, NULL, 0, NI_NUMERICHOST);
[257]	501	#else
	502	addrstr = inet_ntoa(addr.sin_addr);
	503	strcpy(address, addrstr);
	504	address[strlen(addrstr)] = 0;
[163]	505	#endif
[212]	506	#ifdef FREE_PTR
	507	free(ptr);
	508	#endif
[116]	509
[20]	510	res._processed = false;
	511	tw_init_tools(&tools);
[212]	512	ret = tw_http_parse(s, sock, &req);
[17]	513	if(ret == 0) {
[116]	514	char date[513];
	515	time_t t = time(NULL);
	516	struct tm* tm = localtime(&t);
[212]	517	char* useragent = cm_strdup("");
	518	int i;
	519	char* tmp;
	520	char* tmp2;
	521	char* tmp3;
	522	char* tmp4;
	523	char* tmp5;
	524	char* log;
	525	char* vhost;
	526	time_t cmtime;
	527	bool rej;
	528	char* host;
	529	int port;
	530	struct tw_config_entry* vhost_entry;
[116]	531	strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
	532
[117]	533	for(i = 0; req.headers[i] != NULL; i += 2) {
	534	if(cm_strcaseequ(req.headers[i], "User-Agent")) {
[116]	535	free(useragent);
	536	useragent = cm_strdup(req.headers[i + 1]);
	537	}
	538	}
	539
[212]	540	tmp = cm_strcat3(address, " - [", date);
	541	tmp2 = cm_strcat3(tmp, "] \"", req.method);
	542	tmp3 = cm_strcat3(tmp2, " ", req.path);
	543	tmp4 = cm_strcat3(tmp3, " ", req.version);
	544	tmp5 = cm_strcat3(tmp4, "\" \"", useragent);
	545	log = cm_strcat(tmp5, "\"");
[116]	546	free(tmp);
	547	free(tmp2);
	548	free(tmp3);
	549	free(tmp4);
	550	free(tmp5);
	551	free(useragent);
	552	cm_force_log(log);
	553	free(log);
	554
[212]	555	vhost = cm_strdup(config.hostname);
	556	cmtime = 0;
[70]	557	if(req.headers != NULL) {
[64]	558	for(i = 0; req.headers[i] != NULL; i += 2) {
	559	if(cm_strcaseequ(req.headers[i], "Host")) {
	560	free(vhost);
	561	vhost = cm_strdup(req.headers[i + 1]);
	562	} else if(cm_strcaseequ(req.headers[i], "If-Modified-Since")) {
	563	struct tm tm;
[212]	564	time_t t;
	565	struct tm* btm;
[64]	566	strptime(req.headers[i + 1], "%a, %d %b %Y %H:%M:%S GMT", &tm);
[219]	567	#if defined(__MINGW32__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(__ps2sdk__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	568	t = 0;
	569	btm = localtime(&t);
[64]	570	cmtime = mktime(&tm);
	571	cmtime -= (btm->tm_hour * 60 + btm->tm_min) * 60;
[32]	572	#else
[140]	573	cmtime = timegm(&tm);
[32]	574	#endif
[64]	575	}
[21]	576	}
	577	}
[212]	578	rej = false;
[21]	579	cm_log("Server", "Host is %s", vhost);
[212]	580	port = s == NULL ? 80 : 443;
	581	host = cm_strdup(vhost);
[22]	582	for(i = 0; vhost[i] != 0; i++) {
	583	if(vhost[i] == ':') {
[21]	584	host[i] = 0;
	585	port = atoi(host + i + 1);
	586	break;
	587	}
	588	}
[136]	589	name = host;
[21]	590	cm_log("Server", "Hostname is `%s', port is `%d'", host, port);
[212]	591	vhost_entry = tw_vhost_match(host, port);
[161]	592	#ifdef HAS_CHROOT
	593	char* chrootpath = vhost_entry->chroot_path != NULL ? vhost_entry->chroot_path : config.root.chroot_path;
	594	if(chrootpath != NULL) {
	595	if(chdir(chrootpath) == 0) {
	596	if(chroot(".") == 0) {
	597	cm_log("Server", "Chroot successful");
	598	}
	599	} else {
	600	cm_log("Server", "chdir() failed, cannot chroot");
	601	tw_http_error(s, sock, 500, name, port, vhost_entry);
	602	rej = true;
	603	}
	604	}
	605	#endif
[20]	606	for(i = 0; i < config.module_count; i++) {
	607	tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "mod_request");
	608	if(mod_req != NULL) {
	609	int ret = mod_req(&tools, &req, &res);
	610	int co = ret & 0xff;
[141]	611	if(co == _TW_MODULE_PASS) {
	612	continue;
	613	} else if(co == _TW_MODULE_STOP) {
	614	/* Handle response here ... */
[20]	615	res._processed = true;
	616	break;
[141]	617	} else if(co == _TW_MODULE_STOP2) {
	618	res._processed = true;
	619	break;
	620	} else if(co == _TW_MODULE_ERROR) {
[123]	621	tw_http_error(s, sock, (ret & 0xffff00) >> 8, name, port, vhost_entry);
[20]	622	break;
	623	}
	624	}
	625	}
	626	if(!res._processed) {
[212]	627	char* path;
	628	char* rpath;
	629	struct stat st;
[215]	630	char* slash;
[21]	631	cm_log("Server", "Document root is %s", vhost_entry->root == NULL ? "not set" : vhost_entry->root);
[212]	632	path = cm_strcat(vhost_entry->root == NULL ? "" : vhost_entry->root, req.path);
[21]	633	cm_log("Server", "Filesystem path is %s", path);
[219]	634	#if defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[216]	635	for(i = strlen(path) - 1; i >= 0; i--) {
	636	if(path[i] == '/') {
[215]	637	path[i] = 0;
[216]	638	} else {
[215]	639	break;
	640	}
	641	}
	642	#endif
[219]	643	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	644	rpath = cm_strdup(path);
[72]	645	for(i = strlen(rpath) - 1; i >= 0; i--) {
[73]	646	if(rpath[i] == '/') {
	647	int j;
	648	for(j = i + 1; rpath[j] != 0; j++) {
	649	if(rpath[j] == ':' \|\| rpath[j] == '.') {
	650	rpath[j] = 0;
	651	break;
	652	}
	653	}
[71]	654	break;
	655	}
	656	}
[70]	657	for(i = 0; i < sizeof(reserved_names) / sizeof(reserved_names[0]); i++) {
	658	char* n = cm_strcat("/", reserved_names[i]);
[71]	659	if(cm_nocase_endswith(rpath, n)) {
[124]	660	tw_http_error(s, sock, 403, name, port, vhost_entry);
[70]	661	free(n);
	662	rej = true;
	663	cm_log("Server", "XP Patch ; rejecting access to device");
	664	break;
	665	}
	666	free(n);
	667	}
[71]	668	free(rpath);
[70]	669	#endif
	670	if(!rej && stat(path, &st) == 0) {
[22]	671	if(!tw_permission_allowed(path, addr, req, vhost_entry)) {
[123]	672	tw_http_error(s, sock, 403, name, port, vhost_entry);
[22]	673	} else if(S_ISDIR(st.st_mode)) {
[24]	674	if(req.path[strlen(req.path) - 1] != '/') {
[215]	675	char* headers[3] = {"Location", NULL, NULL};
	676	headers[1] = cm_strcat(req.path, "/");
[61]	677	cm_log("Server", "Accessing directory without the slash at the end");
[166]	678	_tw_process_page(s, sock, tw_http_status(301), NULL, NULL, NULL, 0, headers, 0, 0);
[24]	679	free(headers[1]);
	680	} else {
	681	char** indexes = vhost_entry->index_count == 0 ? config.root.indexes : vhost_entry->indexes;
	682	int index_count = vhost_entry->index_count == 0 ? config.root.index_count : vhost_entry->index_count;
	683	bool found = false;
	684	for(i = 0; i < index_count; i++) {
	685	char* p = cm_strcat3(path, "/", indexes[i]);
	686	FILE* f = fopen(p, "rb");
	687	if(f != NULL) {
	688	char* ext = NULL;
	689	int j;
[212]	690	struct stat st;
	691	char* mime;
[24]	692	for(j = strlen(p) - 1; j >= 0; j--) {
	693	if(p[j] == '.') {
	694	ext = cm_strdup(p + j);
	695	break;
	696	} else if(p[j] == '/') {
	697	break;
	698	}
[22]	699	}
[24]	700	stat(p, &st);
[212]	701	mime = tw_get_mime(ext, vhost_entry);
[32]	702	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, 0, 0);
[24]	703	fclose(f);
[74]	704	if(ext != NULL) free(ext);
[24]	705	free(p);
	706	found = true;
	707	break;
[22]	708	}
[24]	709	free(p);
	710	}
	711	if(!found) {
	712	char* str = malloc(1);
[212]	713	char** items;
	714	int readme;
	715	char** readmes;
	716	int readme_count;
	717	int hp;
[24]	718	str[0] = 0;
[212]	719	items = cm_scandir(path);
[122]	720	addstring(&str, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n");
[24]	721	addstring(&str, "<html>\n");
	722	addstring(&str, " <head>\n");
	723	addstring(&str, " <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n");
[122]	724	addstring(&str, " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n");
[24]	725	addstring(&str, " <title>Index of %h</title>\n", req.path);
	726	addstring(&str, " </head>\n");
	727	addstring(&str, " <body>\n");
	728	addstring(&str, " <h1>Index of %h</h1>\n", req.path);
	729	addstring(&str, " <hr>\n");
	730	addstring(&str, " <table border=\"0\">\n");
	731	addstring(&str, " <tr>\n");
	732	addstring(&str, " <th></th>\n");
	733	addstring(&str, " <th>Filename</th>\n");
[28]	734	addstring(&str, " <th>MIME</th>\n");
	735	addstring(&str, " <th>Size</th>\n");
[24]	736	addstring(&str, " </tr>\n");
[212]	737	readme = -1;
	738	readmes = vhost_entry->readme_count == 0 ? config.root.readmes : vhost_entry->readmes;
	739	readme_count = vhost_entry->readme_count == 0 ? config.root.readme_count : vhost_entry->readme_count;
[24]	740	if(items != NULL) {
[29]	741	int phase = 0;
	742	doit:
[24]	743	for(i = 0; items[i] != NULL; i++) {
[33]	744	int j;
[212]	745	char* ext;
	746	char* itm;
	747	char* icon;
[28]	748	char* fpth = cm_strcat3(path, "/", items[i]);
	749	struct stat s;
	750	char size[512];
[212]	751	char* showmime;
	752	char* mime;
[28]	753	size[0] = 0;
	754	stat(fpth, &s);
[29]	755	if(phase == 0 && !S_ISDIR(s.st_mode)) {
	756	free(fpth);
	757	continue;
	758	} else if(phase == 1 && S_ISDIR(s.st_mode)) {
	759	free(fpth);
	760	continue;
	761	}
[33]	762	if(readme == -1) {
	763	for(j = 0; j < readme_count; j++) {
	764	if(strcmp(items[i], readmes[j]) == 0) {
	765	readme = j;
	766	break;
	767	}
	768	}
	769	if(readme != -1) {
	770	free(fpth);
	771	continue;
	772	}
	773	}
[212]	774	if(s.st_size < NUM1024) {
[31]	775	sprintf(size, "%d", (int)s.st_size);
[212]	776	} else if(s.st_size < NUM1024 * 1024) {
[29]	777	sprintf(size, "%.1fK", (double)s.st_size / 1024);
[212]	778	} else if(s.st_size < NUM1024 * 1024 * 1024) {
[29]	779	sprintf(size, "%.1fM", (double)s.st_size / 1024 / 1024);
[212]	780	} else if(s.st_size < NUM1024 * 1024 * 1024 * 1024) {
[29]	781	sprintf(size, "%.1fG", (double)s.st_size / 1024 / 1024 / 1024);
[212]	782	} else if(s.st_size < NUM1024 * 1024 * 1024 * 1024 * 1024) {
[29]	783	sprintf(size, "%.1fT", (double)s.st_size / 1024 / 1024 / 1024 / 1024);
[28]	784	}
	785
	786	free(fpth);
	787
[212]	788	ext = NULL;
[24]	789	for(j = strlen(items[i]) - 1; j >= 0; j--) {
	790	if(items[i][j] == '.') {
	791	ext = cm_strdup(items[i] + j);
	792	break;
	793	} else if(items[i][j] == '/') {
	794	break;
	795	}
	796	}
[212]	797	showmime = "";
	798	mime = tw_get_mime(ext, vhost_entry);
[24]	799	if(strcmp(items[i], "../") == 0) {
	800	mime = "misc/parent";
[29]	801	size[0] = 0;
[24]	802	} else if(items[i][strlen(items[i]) - 1] == '/') {
	803	mime = "misc/dir";
[29]	804	size[0] = 0;
	805	} else {
[28]	806	showmime = mime;
[24]	807	}
[212]	808	icon = tw_get_icon(mime, vhost_entry);
[24]	809	if(ext != NULL) free(ext);
[212]	810	itm = cm_strdup(items[i]);
[24]	811	if(strlen(itm) >= 32) {
	812	if(itm[strlen(itm) - 1] == '/') {
	813	itm[31] = 0;
	814	itm[30] = '/';
	815	itm[29] = '.';
	816	itm[28] = '.';
	817	itm[27] = '.';
	818	} else {
	819	itm[31] = 0;
	820	itm[30] = '.';
	821	itm[29] = '.';
	822	itm[28] = '.';
	823	}
	824	}
	825	addstring(&str, "<tr>\n");
	826	addstring(&str, " <td><img src=\"%s\" alt=\"icon\"></td>\n", icon);
	827	addstring(&str, " <td><a href=\"%l\"><code>%h</code></a></td>\n", items[i], itm);
[60]	828	addstring(&str, " <td><code> %h </code></td>\n", showmime);
	829	addstring(&str, " <td><code> %s </code></td>\n", size);
[24]	830	addstring(&str, "</tr>\n");
	831	free(itm);
[22]	832	}
[29]	833	phase++;
	834	if(phase != 2) goto doit;
	835	for(i = 0; items[i] != NULL; i++) free(items[i]);
	836	free(items);
[22]	837	}
[24]	838	addstring(&str, " </table>\n");
[33]	839	if(readme != -1) {
[212]	840	struct stat s;
	841	FILE* fr;
	842	char* fpth;
[33]	843	addstring(&str, "<hr>\n");
[212]	844	fpth = cm_strcat3(path, "/", readmes[readme]);
[33]	845	stat(fpth, &s);
[212]	846	fr = fopen(fpth, "r");
[33]	847	if(fr != NULL) {
	848	char* rmbuf = malloc(s.st_size + 1);
	849	rmbuf[s.st_size] = 0;
	850	fread(rmbuf, s.st_size, 1, fr);
	851	addstring(&str, "<pre><code>%h</code></pre>\n", rmbuf);
	852	fclose(fr);
[70]	853	free(rmbuf);
[33]	854	}
[66]	855	free(fpth);
[33]	856	}
[24]	857	addstring(&str, " <hr>\n");
[212]	858	hp = vhost_entry->hideport == -1 ? config.root.hideport : vhost_entry->hideport;
[123]	859	if(hp == 0) {
	860	addstring(&str, " <address>%s Server at %s Port %d</address>\n", tw_server, name, port);
	861	} else {
	862	addstring(&str, " <address>%s Server at %s</address>\n", tw_server, name, port);
	863	}
[24]	864	addstring(&str, " </body>\n");
	865	addstring(&str, "</html>\n");
[32]	866	tw_process_page(s, sock, tw_http_status(200), "text/html", NULL, str, strlen(str), 0, 0);
[24]	867	free(str);
[21]	868	}
	869	}
[22]	870	} else {
[21]	871	char* ext = NULL;
[212]	872	char* mime;
	873	FILE* f;
[22]	874	for(i = strlen(req.path) - 1; i >= 0; i--) {
	875	if(req.path[i] == '.') {
[21]	876	ext = cm_strdup(req.path + i);
	877	break;
[24]	878	} else if(req.path[i] == '/') {
	879	break;
[21]	880	}
	881	}
[212]	882	mime = tw_get_mime(ext, vhost_entry);
[21]	883	if(ext != NULL) free(ext);
[212]	884	f = fopen(path, "rb");
[173]	885	if(f == NULL) {
	886	tw_http_error(s, sock, 403, name, port, vhost_entry);
	887	} else {
	888	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, st.st_mtime, cmtime);
	889	fclose(f);
	890	}
[21]	891	}
[22]	892	} else {
[161]	893	if(!rej) {
	894	tw_http_error(s, sock, 404, name, port, vhost_entry);
	895	}
[21]	896	}
	897	free(path);
[20]	898	}
[21]	899	free(vhost);
	900	free(host);
[22]	901	} else if(ret == -1) {
[18]	902	} else {
[123]	903	tw_http_error(s, sock, 400, name, port, &config.root);
[17]	904	}
[70]	905	tw_free_request(&req);
[12]	906	cleanup:
[43]	907	#ifndef NO_SSL
[16]	908	if(sslworks) {
[15]	909	SSL_shutdown(s);
	910	}
	911	SSL_free(s);
[46]	912	#endif
[11]	913	close_socket(sock);
[219]	914	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[216]	915	_endthread();
[100]	916	#elif defined(__HAIKU__)
[105]	917	exit_thread(0);
[11]	918	#endif
[216]	919	#ifndef NO_RETURN_THREAD
[214]	920	return 0;
[215]	921	#endif
[11]	922	}
	923
[62]	924	#ifdef SERVICE
	925	extern SERVICE_STATUS status;
	926	extern SERVICE_STATUS_HANDLE status_handle;
	927	#endif
	928
[219]	929	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[65]	930	struct thread_entry {
[101]	931	#ifdef __HAIKU__
	932	thread_id thread;
	933	#else
[65]	934	HANDLE handle;
[101]	935	#endif
[65]	936	bool used;
	937	};
	938	#endif
	939
[183]	940	extern int running;
	941
[11]	942	void tw_server_loop(void) {
[68]	943	int i;
[212]	944	#ifndef USE_POLL
[213]	945	fd_set fdset;
	946	struct timeval tv;
[212]	947	#endif
[219]	948	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[65]	949	struct thread_entry threads[2048];
[70]	950	for(i = 0; i < sizeof(threads) / sizeof(threads[0]); i++) {
[65]	951	threads[i].used = false;
	952	}
	953	#endif
[118]	954	#ifdef USE_POLL
	955	struct pollfd pollfds[sockcount];
	956	for(i = 0; i < sockcount; i++) {
	957	pollfds[i].fd = sockets[i];
	958	pollfds[i].events = POLLIN \| POLLPRI;
	959	}
	960	#endif
[183]	961	while(running) {
[212]	962	int ret;
[118]	963	#ifdef USE_POLL
[212]	964	ret = poll(pollfds, sockcount, 1000);
[118]	965	#else
	966	FD_ZERO(&fdset);
	967	for(i = 0; i < sockcount; i++) {
	968	FD_SET(sockets[i], &fdset);
	969	}
	970	tv.tv_sec = 1;
	971	tv.tv_usec = 0;
[86]	972	#ifdef __HAIKU__
[212]	973	ret = select(32, &fdset, NULL, NULL, &tv);
[86]	974	#else
[212]	975	ret = select(FD_SETSIZE, &fdset, NULL, NULL, &tv);
[86]	976	#endif
[118]	977	#endif
[11]	978	if(ret == -1) {
[219]	979	#if !defined(__MINGW32__) && !defined(_MSC_VER) && !defined(__BORLANDC__) && !defined(__WATCOMC__)
[84]	980	cm_log("Server", "Select failure: %s", strerror(errno));
	981	#endif
[9]	982	break;
[70]	983	} else if(ret == 0) {
[62]	984	#ifdef SERVICE
[70]	985	if(status.dwCurrentState == SERVICE_STOP_PENDING) {
[62]	986	break;
	987	}
	988	#endif
[11]	989	} else if(ret > 0) {
[9]	990	/* connection */
	991	int i;
[11]	992	for(i = 0; i < sockcount; i++) {
[118]	993	bool cond;
	994	#ifdef USE_POLL
	995	cond = pollfds[i].revents & POLLIN;
	996	#else
	997	cond = FD_ISSET(sockets[i], &fdset);
	998	#endif
	999	if(cond) {
[9]	1000	SOCKADDR claddr;
[182]	1001	socklen_t clen = sizeof(claddr);
[9]	1002	int sock = accept(sockets[i], (struct sockaddr*)&claddr, &clen);
[219]	1003	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	1004	int j;
	1005	struct pass_entry* e = malloc(sizeof(*e));
[12]	1006	cm_log("Server", "New connection accepted");
[11]	1007	e->sock = sock;
[215]	1008	#if defined(_MSC_VER) \|\| defined(__BORLANDC__)
[212]	1009	e->ssl = config.ports[i] & (1UL << 31);
	1010	#else
	1011	e->ssl = config.ports[i] & (1ULL << 31);
	1012	#endif
[12]	1013	e->port = config.ports[i];
[21]	1014	e->addr = claddr;
[97]	1015	#endif
[219]	1016	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	1017	_beginthread(tw_server_pass, 0, e);
[187]	1018	#elif defined(_PSP) \|\| defined(__PPU__)
[183]	1019	tw_server_pass(e);
[97]	1020	#elif defined(__HAIKU__)
[183]	1021	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	1022	if(threads[j].used) {
	1023	thread_info info;
	1024	bool kill = false;
	1025	if(get_thread_info(threads[j].thread, &info) == B_OK) {
	1026	} else {
	1027	kill = true;
[101]	1028	}
[183]	1029	if(kill) {
	1030	threads[j].used = false;
[101]	1031	}
	1032	}
[183]	1033	}
	1034	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	1035	if(!threads[j].used) {
	1036	threads[j].thread = spawn_thread(tw_server_pass, "Tewi HTTPd", 60, e);
	1037	threads[j].used = true;
	1038	resume_thread(threads[j].thread);
	1039	break;
	1040	}
	1041	}
[11]	1042	#else
	1043	pid_t pid = fork();
	1044	if(pid == 0) {
[89]	1045	int j;
	1046	for(j = 0; j < sockcount; j++) close_socket(sockets[j]);
[212]	1047	tw_server_pass(sock, config.ports[i] & (1ULL << 31), config.ports[i], claddr);
[11]	1048	_exit(0);
	1049	} else {
	1050	close_socket(sock);
	1051	}
	1052	#endif
[9]	1053	}
	1054	}
	1055	}
	1056	}
[255]	1057	for(i = 0; i < sockcount; i++) {
[253]	1058	close_socket(sockets[i]);
	1059	}
	1060	cm_force_log("Server is down");
[9]	1061	}

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source: Main/trunk/Server/server.c@ 275

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