server.c@ 311

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Last change on this file since 311 was 311, checked in by Nishi, on Oct 13, 2024 at 10:23:22 AM
attempting to add os/2
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File size: 28.6 KB

Rev	Line
[8]	1	/* $Id: server.c 311 2024-10-13 01:23:22Z 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
[311]	35	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| (defined(__WATCOMC__) && !defined(__OS2__))
[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
[303]	79	#ifdef __USLC__
	80	typedef int socklen_t;
	81	#endif
	82
[212]	83	#ifndef S_ISDIR
[272]	84	#define S_ISDIR(x) ((x) & _S_IFDIR)
[212]	85	#endif
	86
[8]	87	extern struct tw_config config;
[18]	88	extern char tw_server[];
[8]	89
	90	int sockcount = 0;
	91
[9]	92	SOCKADDR addresses[MAX_PORTS];
	93	int sockets[MAX_PORTS];
[8]	94
[219]	95	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[70]	96	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"};
	97	#endif
	98
[23]	99	/* https://qiita.com/gyu-don/items/5a640c6d2252a860c8cd */
	100	int tw_wildcard_match(const char* wildcard, const char* target) {
	101	const char pw = wildcard, pt = target;
	102
	103	while(1) {
	104	if(*pt == 0) {
	105	while(pw == '') pw++;
	106	return *pw == 0;
	107	} else if(*pw == 0) {
	108	return 0;
	109	} else if(pw == '') {
	110	return *(pw + 1) == 0 \|\| tw_wildcard_match(pw, pt + 1) \|\| tw_wildcard_match(pw + 1, pt);
	111	} else if(pw == '?' \|\| (pw == *pt)) {
	112	pw++;
	113	pt++;
	114	continue;
	115	} else {
	116	return 0;
	117	}
	118	}
	119	}
	120
[8]	121	void close_socket(int sock) {
[219]	122	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[8]	123	closesocket(sock);
	124	#else
	125	close(sock);
	126	#endif
	127	}
	128
	129	int tw_server_init(void) {
	130	int i;
[219]	131	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[8]	132	WSADATA wsa;
[240]	133	#ifdef USE_WINSOCK1
	134	WSAStartup(MAKEWORD(1, 1), &wsa);
	135	#else
[8]	136	WSAStartup(MAKEWORD(2, 0), &wsa);
	137	#endif
[240]	138	#endif
[8]	139	for(i = 0; config.ports[i] != -1; i++)
	140	;
	141	sockcount = i;
	142	for(i = 0; config.ports[i] != -1; i++) {
[212]	143	int yes = 1;
	144	int no = 0;
[8]	145	#ifdef NO_IPV6
	146	int sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
	147	#else
	148	int sock = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
	149	#endif
[215]	150	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__)
[8]	151	if(sock == INVALID_SOCKET)
	152	#else
	153	if(sock < 0)
	154	#endif
	155	{
	156	cm_log("Server", "Socket creation failure");
	157	return 1;
	158	}
	159	if(setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(yes)) < 0) {
	160	close_socket(sock);
	161	cm_log("Server", "setsockopt failure (reuseaddr)");
	162	return 1;
	163	}
[275]	164	#if !defined(__PPU__) && !defined(__minix)
[8]	165	if(setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(yes)) < 0) {
	166	close_socket(sock);
	167	cm_log("Server", "setsockopt failure (nodelay)");
	168	return 1;
	169	}
[187]	170	#endif
[8]	171	#ifndef NO_IPV6
	172	if(setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&no, sizeof(no)) < 0) {
	173	close_socket(sock);
	174	cm_log("Server", "setsockopt failure (IPv6)");
	175	return 1;
	176	}
	177	#endif
	178	memset(&addresses[i], 0, sizeof(addresses[i]));
	179	#ifdef NO_IPV6
	180	addresses[i].sin_family = AF_INET;
	181	addresses[i].sin_addr.s_addr = INADDR_ANY;
[214]	182	addresses[i].sin_port = htons(config.ports[i] & 0xffff);
[8]	183	#else
	184	addresses[i].sin6_family = AF_INET6;
	185	addresses[i].sin6_addr = in6addr_any;
[214]	186	addresses[i].sin6_port = htons(config.ports[i] & 0xffff);
[8]	187	#endif
	188	if(bind(sock, (struct sockaddr*)&addresses[i], sizeof(addresses[i])) < 0) {
	189	close_socket(sock);
	190	cm_log("Server", "Bind failure");
	191	return 1;
	192	}
	193	if(listen(sock, 128) < 0) {
	194	close_socket(sock);
	195	cm_log("Server", "Listen failure");
	196	return 1;
	197	}
	198	sockets[i] = sock;
	199	}
	200	return 0;
	201	}
[9]	202
[16]	203	size_t tw_read(SSL* ssl, int s, void* data, size_t len) {
[43]	204	#ifndef NO_SSL
[16]	205	if(ssl == NULL) {
	206	return recv(s, data, len, 0);
	207	} else {
	208	return SSL_read(ssl, data, len);
	209	}
[43]	210	#else
	211	return recv(s, data, len, 0);
	212	#endif
[16]	213	}
	214
	215	size_t tw_write(SSL* ssl, int s, void* data, size_t len) {
[43]	216	#ifndef NO_SSL
[16]	217	if(ssl == NULL) {
	218	return send(s, data, len, 0);
	219	} else {
	220	return SSL_write(ssl, data, len);
	221	}
[43]	222	#else
	223	return send(s, data, len, 0);
	224	#endif
[16]	225	}
	226
[20]	227	#define ERROR_HTML \
[18]	228	"<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n" \
	229	"<html>\n" \
	230	" <head>\n" \
[20]	231	" <title>%s</title>\n" \
[18]	232	" </head>\n" \
	233	" <body>\n" \
[20]	234	" <h1>%s</h1>\n" \
[18]	235	" <hr>\n" \
	236	" ", \
	237	address, \
	238	"\n" \
	239	" </body>\n" \
	240	"</html>\n"
	241
[32]	242	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]	243	char construct[512];
[212]	244	size_t incr;
[32]	245	if(mtime != 0 && cmtime != 0 && mtime <= cmtime) {
	246	status = "304 Not Modified";
	247	type = NULL;
	248	size = 0;
	249	headers = NULL;
	250	f = NULL;
	251	doc = NULL;
	252	}
[215]	253	#if defined(_MSC_VER) \|\| defined(__BORLANDC__)
[212]	254	sprintf(construct, "%lu", (unsigned long)size);
	255	#else
[18]	256	sprintf(construct, "%llu", (unsigned long long)size);
[212]	257	#endif
[18]	258	tw_write(ssl, sock, "HTTP/1.1 ", 9);
	259	tw_write(ssl, sock, (char*)status, strlen(status));
	260	tw_write(ssl, sock, "\r\n", 2);
[24]	261	if(type != NULL) {
	262	tw_write(ssl, sock, "Content-Type: ", 7 + 5 + 2);
	263	tw_write(ssl, sock, (char*)type, strlen(type));
	264	tw_write(ssl, sock, "\r\n", 2);
	265	}
[18]	266	tw_write(ssl, sock, "Server: ", 6 + 2);
	267	tw_write(ssl, sock, tw_server, strlen(tw_server));
	268	tw_write(ssl, sock, "\r\n", 2);
[24]	269	if(size != 0) {
	270	tw_write(ssl, sock, "Content-Length: ", 7 + 7 + 2);
	271	tw_write(ssl, sock, construct, strlen(construct));
	272	tw_write(ssl, sock, "\r\n", 2);
[32]	273	if(mtime != 0) {
	274	struct tm* tm = gmtime(&mtime);
	275	char date[513];
	276	strftime(date, 512, "%a, %d %b %Y %H:%M:%S GMT", tm);
	277	tw_write(ssl, sock, "Last-Modified: ", 5 + 8 + 2);
	278	tw_write(ssl, sock, date, strlen(date));
	279	tw_write(ssl, sock, "\r\n", 2);
	280	}
[24]	281	}
	282	if(headers != NULL) {
[212]	283	int i;
[24]	284	for(i = 0; headers[i] != NULL; i += 2) {
	285	tw_write(ssl, sock, headers[i], strlen(headers[i]));
	286	tw_write(ssl, sock, ": ", 2);
	287	tw_write(ssl, sock, headers[i + 1], strlen(headers[i + 1]));
	288	tw_write(ssl, sock, "\r\n", 2);
	289	}
	290	}
[18]	291	tw_write(ssl, sock, "\r\n", 2);
[24]	292	if(doc == NULL && f == NULL) return;
[212]	293	incr = 0;
[18]	294	while(1) {
[22]	295	if(f != NULL) {
[21]	296	char buffer[128];
	297	fread(buffer, size < 128 ? size : 128, 1, f);
	298	tw_write(ssl, sock, buffer, size < 128 ? size : 128);
[22]	299	} else {
[21]	300	tw_write(ssl, sock, (unsigned char*)doc + incr, size < 128 ? size : 128);
	301	}
[18]	302	incr += 128;
[19]	303	if(size <= 128) break;
[18]	304	size -= 128;
	305	}
	306	}
	307
[32]	308	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]	309
[18]	310	const char* tw_http_status(int code) {
[20]	311	if(code == 200) {
	312	return "200 OK";
[166]	313	} else if(code == 301) {
[167]	314	return "301 Moved Permanently";
[24]	315	} else if(code == 308) {
	316	return "308 Permanent Redirect";
[20]	317	} else if(code == 400) {
[18]	318	return "400 Bad Request";
[20]	319	} else if(code == 401) {
	320	return "401 Unauthorized";
	321	} else if(code == 403) {
	322	return "403 Forbidden";
	323	} else if(code == 404) {
	324	return "404 Not Found";
[161]	325	} else if(code == 500) {
	326	return "500 Internal Server Error";
[18]	327	} else {
	328	return "400 Bad Request";
	329	}
	330	}
	331
[123]	332	char* tw_http_default_error(int code, char* name, int port, struct tw_config_entry* vhost) {
[18]	333	char address[1024];
[212]	334	char* st;
	335	char* st2;
	336	char* buffer;
	337	char* str;
	338	int i;
[20]	339
[123]	340	if((vhost->hideport == -1 ? config.root.hideport : vhost->hideport) == 1) {
	341	sprintf(address, "<address>%s Server at %s</address>", tw_server, name, port);
	342	} else {
	343	sprintf(address, "<address>%s Server at %s Port %d</address>", tw_server, name, port);
	344	}
	345
[212]	346	st = cm_strdup(tw_http_status(code));
[20]	347	for(i = 0; st[i] != 0; i++) {
	348	if(st[i] == ' ') {
	349	st2 = cm_strdup(st + i + 1);
	350	break;
	351	}
[18]	352	}
[212]	353	buffer = malloc(4096);
	354	str = cm_strcat3(ERROR_HTML);
[20]	355	sprintf(buffer, str, st, st2);
	356	free(str);
	357	free(st);
	358	return buffer;
[18]	359	}
	360
[123]	361	void tw_http_error(SSL* ssl, int sock, int error, char* name, int port, struct tw_config_entry* vhost) {
	362	char* str = tw_http_default_error(error, name, port, vhost);
[32]	363	tw_process_page(ssl, sock, tw_http_status(error), "text/html", NULL, str, strlen(str), 0, 0);
[18]	364	free(str);
	365	}
	366
[20]	367	void addstring(char** str, const char* add, ...) {
	368	int i;
	369	char cbuf[2];
[212]	370	va_list va;
[20]	371	cbuf[1] = 0;
	372	va_start(va, add);
	373	for(i = 0; add[i] != 0; i++) {
	374	cbuf[0] = add[i];
	375	if(add[i] == '%') {
	376	i++;
	377	if(add[i] == 's') {
	378	char* tmp = *str;
	379	str = cm_strcat(tmp, va_arg(va, const char));
	380	free(tmp);
	381	} else if(add[i] == 'h') {
	382	char* h = cm_html_escape(va_arg(va, const char*));
	383	char* tmp = *str;
	384	*str = cm_strcat(tmp, h);
	385	free(tmp);
	386	free(h);
[21]	387	} else if(add[i] == 'l') {
	388	char* h = cm_url_escape(va_arg(va, const char*));
	389	char* tmp = *str;
	390	*str = cm_strcat(tmp, h);
	391	free(tmp);
	392	free(h);
[20]	393	} else if(add[i] == 'd') {
	394	int n = va_arg(va, int);
	395	char* h = malloc(512);
[212]	396	char* tmp = *str;
[20]	397	sprintf(h, "%d", n);
	398	*str = cm_strcat(tmp, h);
	399	free(tmp);
	400	free(h);
	401	} else if(add[i] == '%') {
	402	char* tmp = *str;
	403	*str = cm_strcat(tmp, "%");
	404	free(tmp);
	405	}
	406	} else {
	407	char* tmp = *str;
	408	*str = cm_strcat(tmp, cbuf);
	409	free(tmp);
	410	}
	411	}
[74]	412	va_end(va);
[20]	413	}
	414
[22]	415	char* tw_get_mime(const char* ext, struct tw_config_entry* vhost_entry) {
	416	char* mime = "application/octet-stream";
	417	bool set = false;
	418	int i;
[212]	419	if(ext == NULL) return mime;
[22]	420	for(i = 0; i < vhost_entry->mime_count; i++) {
[23]	421	if(strcmp(vhost_entry->mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(vhost_entry->mimes[i].ext, ext))) {
[22]	422	mime = vhost_entry->mimes[i].mime;
	423	set = true;
	424	}
	425	}
	426	if(!set) {
	427	for(i = 0; i < config.root.mime_count; i++) {
[23]	428	if(strcmp(config.root.mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(config.root.mimes[i].ext, ext))) {
[22]	429	mime = config.root.mimes[i].mime;
	430	}
	431	}
	432	}
	433	return mime;
	434	}
	435
	436	char* tw_get_icon(const char* mime, struct tw_config_entry* vhost_entry) {
	437	char* icon = "";
	438	bool set = false;
	439	int i;
[212]	440	if(mime == NULL) return "";
[22]	441	for(i = 0; i < vhost_entry->icon_count; i++) {
[23]	442	if(strcmp(vhost_entry->icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(vhost_entry->icons[i].mime, mime))) {
[22]	443	icon = vhost_entry->icons[i].icon;
	444	set = true;
	445	}
	446	}
	447	if(!set) {
	448	for(i = 0; i < config.root.icon_count; i++) {
[23]	449	if(strcmp(config.root.icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(config.root.icons[i].mime, mime))) {
[22]	450	icon = config.root.icons[i].icon;
	451	}
	452	}
	453	}
	454	return icon;
	455	}
	456
[11]	457	struct pass_entry {
	458	int sock;
[12]	459	int port;
[11]	460	bool ssl;
[21]	461	SOCKADDR addr;
[11]	462	};
	463
[219]	464	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[216]	465	#define NO_RETURN_THREAD
[215]	466	void tw_server_pass(void* ptr) {
[97]	467	#elif defined(__HAIKU__)
	468	int32_t tw_server_pass(void* ptr) {
[187]	469	#elif defined(_PSP) \|\| defined(__PPU__)
[183]	470	int tw_server_pass(void* ptr) {
[105]	471	#endif
[219]	472	#if defined(__HAIKU__) \|\| defined(__MINGW32__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	473	#define FREE_PTR
[11]	474	int sock = ((struct pass_entry*)ptr)->sock;
	475	bool ssl = ((struct pass_entry*)ptr)->ssl;
[14]	476	int port = ((struct pass_entry*)ptr)->port;
[21]	477	SOCKADDR addr = ((struct pass_entry*)ptr)->addr;
[11]	478	#else
[216]	479	#define NO_RETURN_THREAD
[105]	480	void tw_server_pass(int sock, bool ssl, int port, SOCKADDR addr) {
[11]	481	#endif
[212]	482	SSL* s = NULL;
[43]	483	#ifndef NO_SSL
[12]	484	SSL_CTX* ctx = NULL;
[15]	485	bool sslworks = false;
[12]	486	if(ssl) {
	487	ctx = tw_create_ssl_ctx(port);
	488	s = SSL_new(ctx);
	489	SSL_set_fd(s, sock);
	490	if(SSL_accept(s) <= 0) goto cleanup;
[15]	491	sslworks = true;
[12]	492	}
[43]	493	#endif
[212]	494	char* name = config.hostname;
[116]	495	char address[513];
[212]	496	int ret;
	497	struct tw_http_request req;
	498	struct tw_http_response res;
	499	struct tw_tool tools;
[255]	500	char* addrstr;
	501	#ifndef NO_GETNAMEINFO
[116]	502	struct sockaddr* sa = (struct sockaddr*)&addr;
	503	getnameinfo(sa, sizeof(addr), address, 512, NULL, 0, NI_NUMERICHOST);
[257]	504	#else
	505	addrstr = inet_ntoa(addr.sin_addr);
	506	strcpy(address, addrstr);
	507	address[strlen(addrstr)] = 0;
[163]	508	#endif
[212]	509	#ifdef FREE_PTR
	510	free(ptr);
	511	#endif
[116]	512
[20]	513	res._processed = false;
	514	tw_init_tools(&tools);
[212]	515	ret = tw_http_parse(s, sock, &req);
[17]	516	if(ret == 0) {
[116]	517	char date[513];
	518	time_t t = time(NULL);
	519	struct tm* tm = localtime(&t);
[212]	520	char* useragent = cm_strdup("");
	521	int i;
	522	char* tmp;
	523	char* tmp2;
	524	char* tmp3;
	525	char* tmp4;
	526	char* tmp5;
	527	char* log;
	528	char* vhost;
	529	time_t cmtime;
	530	bool rej;
	531	char* host;
	532	int port;
[293]	533	char* chrootpath;
[212]	534	struct tw_config_entry* vhost_entry;
[116]	535	strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
	536
[117]	537	for(i = 0; req.headers[i] != NULL; i += 2) {
	538	if(cm_strcaseequ(req.headers[i], "User-Agent")) {
[116]	539	free(useragent);
	540	useragent = cm_strdup(req.headers[i + 1]);
	541	}
	542	}
	543
[212]	544	tmp = cm_strcat3(address, " - [", date);
	545	tmp2 = cm_strcat3(tmp, "] \"", req.method);
	546	tmp3 = cm_strcat3(tmp2, " ", req.path);
	547	tmp4 = cm_strcat3(tmp3, " ", req.version);
	548	tmp5 = cm_strcat3(tmp4, "\" \"", useragent);
	549	log = cm_strcat(tmp5, "\"");
[116]	550	free(tmp);
	551	free(tmp2);
	552	free(tmp3);
	553	free(tmp4);
	554	free(tmp5);
	555	free(useragent);
	556	cm_force_log(log);
	557	free(log);
	558
[212]	559	vhost = cm_strdup(config.hostname);
	560	cmtime = 0;
[70]	561	if(req.headers != NULL) {
[64]	562	for(i = 0; req.headers[i] != NULL; i += 2) {
	563	if(cm_strcaseequ(req.headers[i], "Host")) {
	564	free(vhost);
	565	vhost = cm_strdup(req.headers[i + 1]);
	566	} else if(cm_strcaseequ(req.headers[i], "If-Modified-Since")) {
	567	struct tm tm;
[212]	568	time_t t;
	569	struct tm* btm;
[64]	570	strptime(req.headers[i + 1], "%a, %d %b %Y %H:%M:%S GMT", &tm);
[304]	571	#if defined(__MINGW32__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(__ps2sdk__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__) \|\| defined(__USLC__)
[212]	572	t = 0;
	573	btm = localtime(&t);
[64]	574	cmtime = mktime(&tm);
	575	cmtime -= (btm->tm_hour * 60 + btm->tm_min) * 60;
[32]	576	#else
[140]	577	cmtime = timegm(&tm);
[32]	578	#endif
[64]	579	}
[21]	580	}
	581	}
[212]	582	rej = false;
[21]	583	cm_log("Server", "Host is %s", vhost);
[212]	584	port = s == NULL ? 80 : 443;
	585	host = cm_strdup(vhost);
[22]	586	for(i = 0; vhost[i] != 0; i++) {
	587	if(vhost[i] == ':') {
[21]	588	host[i] = 0;
	589	port = atoi(host + i + 1);
	590	break;
	591	}
	592	}
[136]	593	name = host;
[21]	594	cm_log("Server", "Hostname is `%s', port is `%d'", host, port);
[212]	595	vhost_entry = tw_vhost_match(host, port);
[161]	596	#ifdef HAS_CHROOT
[293]	597	chrootpath = vhost_entry->chroot_path != NULL ? vhost_entry->chroot_path : config.root.chroot_path;
[161]	598	if(chrootpath != NULL) {
	599	if(chdir(chrootpath) == 0) {
	600	if(chroot(".") == 0) {
	601	cm_log("Server", "Chroot successful");
	602	}
	603	} else {
	604	cm_log("Server", "chdir() failed, cannot chroot");
	605	tw_http_error(s, sock, 500, name, port, vhost_entry);
	606	rej = true;
	607	}
	608	}
	609	#endif
[20]	610	for(i = 0; i < config.module_count; i++) {
	611	tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "mod_request");
	612	if(mod_req != NULL) {
	613	int ret = mod_req(&tools, &req, &res);
	614	int co = ret & 0xff;
[141]	615	if(co == _TW_MODULE_PASS) {
	616	continue;
	617	} else if(co == _TW_MODULE_STOP) {
	618	/* Handle response here ... */
[20]	619	res._processed = true;
	620	break;
[141]	621	} else if(co == _TW_MODULE_STOP2) {
	622	res._processed = true;
	623	break;
	624	} else if(co == _TW_MODULE_ERROR) {
[123]	625	tw_http_error(s, sock, (ret & 0xffff00) >> 8, name, port, vhost_entry);
[20]	626	break;
	627	}
	628	}
	629	}
	630	if(!res._processed) {
[212]	631	char* path;
	632	char* rpath;
	633	struct stat st;
[215]	634	char* slash;
[21]	635	cm_log("Server", "Document root is %s", vhost_entry->root == NULL ? "not set" : vhost_entry->root);
[212]	636	path = cm_strcat(vhost_entry->root == NULL ? "" : vhost_entry->root, req.path);
[21]	637	cm_log("Server", "Filesystem path is %s", path);
[219]	638	#if defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[216]	639	for(i = strlen(path) - 1; i >= 0; i--) {
	640	if(path[i] == '/') {
[215]	641	path[i] = 0;
[216]	642	} else {
[215]	643	break;
	644	}
	645	}
	646	#endif
[219]	647	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	648	rpath = cm_strdup(path);
[72]	649	for(i = strlen(rpath) - 1; i >= 0; i--) {
[73]	650	if(rpath[i] == '/') {
	651	int j;
	652	for(j = i + 1; rpath[j] != 0; j++) {
	653	if(rpath[j] == ':' \|\| rpath[j] == '.') {
	654	rpath[j] = 0;
	655	break;
	656	}
	657	}
[71]	658	break;
	659	}
	660	}
[70]	661	for(i = 0; i < sizeof(reserved_names) / sizeof(reserved_names[0]); i++) {
	662	char* n = cm_strcat("/", reserved_names[i]);
[71]	663	if(cm_nocase_endswith(rpath, n)) {
[124]	664	tw_http_error(s, sock, 403, name, port, vhost_entry);
[70]	665	free(n);
	666	rej = true;
	667	cm_log("Server", "XP Patch ; rejecting access to device");
	668	break;
	669	}
	670	free(n);
	671	}
[71]	672	free(rpath);
[70]	673	#endif
	674	if(!rej && stat(path, &st) == 0) {
[22]	675	if(!tw_permission_allowed(path, addr, req, vhost_entry)) {
[123]	676	tw_http_error(s, sock, 403, name, port, vhost_entry);
[22]	677	} else if(S_ISDIR(st.st_mode)) {
[24]	678	if(req.path[strlen(req.path) - 1] != '/') {
[215]	679	char* headers[3] = {"Location", NULL, NULL};
	680	headers[1] = cm_strcat(req.path, "/");
[61]	681	cm_log("Server", "Accessing directory without the slash at the end");
[166]	682	_tw_process_page(s, sock, tw_http_status(301), NULL, NULL, NULL, 0, headers, 0, 0);
[24]	683	free(headers[1]);
	684	} else {
	685	char** indexes = vhost_entry->index_count == 0 ? config.root.indexes : vhost_entry->indexes;
	686	int index_count = vhost_entry->index_count == 0 ? config.root.index_count : vhost_entry->index_count;
	687	bool found = false;
	688	for(i = 0; i < index_count; i++) {
	689	char* p = cm_strcat3(path, "/", indexes[i]);
	690	FILE* f = fopen(p, "rb");
	691	if(f != NULL) {
	692	char* ext = NULL;
	693	int j;
[212]	694	struct stat st;
	695	char* mime;
[24]	696	for(j = strlen(p) - 1; j >= 0; j--) {
	697	if(p[j] == '.') {
	698	ext = cm_strdup(p + j);
	699	break;
	700	} else if(p[j] == '/') {
	701	break;
	702	}
[22]	703	}
[24]	704	stat(p, &st);
[212]	705	mime = tw_get_mime(ext, vhost_entry);
[32]	706	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, 0, 0);
[24]	707	fclose(f);
[74]	708	if(ext != NULL) free(ext);
[24]	709	free(p);
	710	found = true;
	711	break;
[22]	712	}
[24]	713	free(p);
	714	}
	715	if(!found) {
	716	char* str = malloc(1);
[212]	717	char** items;
	718	int readme;
	719	char** readmes;
	720	int readme_count;
	721	int hp;
[24]	722	str[0] = 0;
[212]	723	items = cm_scandir(path);
[122]	724	addstring(&str, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n");
[24]	725	addstring(&str, "<html>\n");
	726	addstring(&str, " <head>\n");
	727	addstring(&str, " <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n");
[122]	728	addstring(&str, " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n");
[24]	729	addstring(&str, " <title>Index of %h</title>\n", req.path);
	730	addstring(&str, " </head>\n");
	731	addstring(&str, " <body>\n");
	732	addstring(&str, " <h1>Index of %h</h1>\n", req.path);
	733	addstring(&str, " <hr>\n");
	734	addstring(&str, " <table border=\"0\">\n");
	735	addstring(&str, " <tr>\n");
	736	addstring(&str, " <th></th>\n");
	737	addstring(&str, " <th>Filename</th>\n");
[28]	738	addstring(&str, " <th>MIME</th>\n");
	739	addstring(&str, " <th>Size</th>\n");
[24]	740	addstring(&str, " </tr>\n");
[212]	741	readme = -1;
	742	readmes = vhost_entry->readme_count == 0 ? config.root.readmes : vhost_entry->readmes;
	743	readme_count = vhost_entry->readme_count == 0 ? config.root.readme_count : vhost_entry->readme_count;
[24]	744	if(items != NULL) {
[29]	745	int phase = 0;
	746	doit:
[24]	747	for(i = 0; items[i] != NULL; i++) {
[33]	748	int j;
[212]	749	char* ext;
	750	char* itm;
	751	char* icon;
[28]	752	char* fpth = cm_strcat3(path, "/", items[i]);
	753	struct stat s;
	754	char size[512];
[212]	755	char* showmime;
	756	char* mime;
[28]	757	size[0] = 0;
	758	stat(fpth, &s);
[29]	759	if(phase == 0 && !S_ISDIR(s.st_mode)) {
	760	free(fpth);
	761	continue;
	762	} else if(phase == 1 && S_ISDIR(s.st_mode)) {
	763	free(fpth);
	764	continue;
	765	}
[33]	766	if(readme == -1) {
	767	for(j = 0; j < readme_count; j++) {
	768	if(strcmp(items[i], readmes[j]) == 0) {
	769	readme = j;
	770	break;
	771	}
	772	}
	773	if(readme != -1) {
	774	free(fpth);
	775	continue;
	776	}
	777	}
[212]	778	if(s.st_size < NUM1024) {
[31]	779	sprintf(size, "%d", (int)s.st_size);
[212]	780	} else if(s.st_size < NUM1024 * 1024) {
[29]	781	sprintf(size, "%.1fK", (double)s.st_size / 1024);
[212]	782	} else if(s.st_size < NUM1024 * 1024 * 1024) {
[29]	783	sprintf(size, "%.1fM", (double)s.st_size / 1024 / 1024);
[212]	784	} else if(s.st_size < NUM1024 * 1024 * 1024 * 1024) {
[29]	785	sprintf(size, "%.1fG", (double)s.st_size / 1024 / 1024 / 1024);
[212]	786	} else if(s.st_size < NUM1024 * 1024 * 1024 * 1024 * 1024) {
[29]	787	sprintf(size, "%.1fT", (double)s.st_size / 1024 / 1024 / 1024 / 1024);
[28]	788	}
	789
	790	free(fpth);
	791
[212]	792	ext = NULL;
[24]	793	for(j = strlen(items[i]) - 1; j >= 0; j--) {
	794	if(items[i][j] == '.') {
	795	ext = cm_strdup(items[i] + j);
	796	break;
	797	} else if(items[i][j] == '/') {
	798	break;
	799	}
	800	}
[212]	801	showmime = "";
	802	mime = tw_get_mime(ext, vhost_entry);
[24]	803	if(strcmp(items[i], "../") == 0) {
	804	mime = "misc/parent";
[29]	805	size[0] = 0;
[24]	806	} else if(items[i][strlen(items[i]) - 1] == '/') {
	807	mime = "misc/dir";
[29]	808	size[0] = 0;
	809	} else {
[28]	810	showmime = mime;
[24]	811	}
[212]	812	icon = tw_get_icon(mime, vhost_entry);
[24]	813	if(ext != NULL) free(ext);
[212]	814	itm = cm_strdup(items[i]);
[24]	815	if(strlen(itm) >= 32) {
	816	if(itm[strlen(itm) - 1] == '/') {
	817	itm[31] = 0;
	818	itm[30] = '/';
	819	itm[29] = '.';
	820	itm[28] = '.';
	821	itm[27] = '.';
	822	} else {
	823	itm[31] = 0;
	824	itm[30] = '.';
	825	itm[29] = '.';
	826	itm[28] = '.';
	827	}
	828	}
	829	addstring(&str, "<tr>\n");
	830	addstring(&str, " <td><img src=\"%s\" alt=\"icon\"></td>\n", icon);
	831	addstring(&str, " <td><a href=\"%l\"><code>%h</code></a></td>\n", items[i], itm);
[60]	832	addstring(&str, " <td><code> %h </code></td>\n", showmime);
	833	addstring(&str, " <td><code> %s </code></td>\n", size);
[24]	834	addstring(&str, "</tr>\n");
	835	free(itm);
[22]	836	}
[29]	837	phase++;
	838	if(phase != 2) goto doit;
	839	for(i = 0; items[i] != NULL; i++) free(items[i]);
	840	free(items);
[22]	841	}
[24]	842	addstring(&str, " </table>\n");
[33]	843	if(readme != -1) {
[212]	844	struct stat s;
	845	FILE* fr;
	846	char* fpth;
[33]	847	addstring(&str, "<hr>\n");
[212]	848	fpth = cm_strcat3(path, "/", readmes[readme]);
[33]	849	stat(fpth, &s);
[212]	850	fr = fopen(fpth, "r");
[33]	851	if(fr != NULL) {
	852	char* rmbuf = malloc(s.st_size + 1);
	853	rmbuf[s.st_size] = 0;
	854	fread(rmbuf, s.st_size, 1, fr);
	855	addstring(&str, "<pre><code>%h</code></pre>\n", rmbuf);
	856	fclose(fr);
[70]	857	free(rmbuf);
[33]	858	}
[66]	859	free(fpth);
[33]	860	}
[24]	861	addstring(&str, " <hr>\n");
[212]	862	hp = vhost_entry->hideport == -1 ? config.root.hideport : vhost_entry->hideport;
[123]	863	if(hp == 0) {
	864	addstring(&str, " <address>%s Server at %s Port %d</address>\n", tw_server, name, port);
	865	} else {
	866	addstring(&str, " <address>%s Server at %s</address>\n", tw_server, name, port);
	867	}
[24]	868	addstring(&str, " </body>\n");
	869	addstring(&str, "</html>\n");
[32]	870	tw_process_page(s, sock, tw_http_status(200), "text/html", NULL, str, strlen(str), 0, 0);
[24]	871	free(str);
[21]	872	}
	873	}
[22]	874	} else {
[21]	875	char* ext = NULL;
[212]	876	char* mime;
	877	FILE* f;
[22]	878	for(i = strlen(req.path) - 1; i >= 0; i--) {
	879	if(req.path[i] == '.') {
[21]	880	ext = cm_strdup(req.path + i);
	881	break;
[24]	882	} else if(req.path[i] == '/') {
	883	break;
[21]	884	}
	885	}
[212]	886	mime = tw_get_mime(ext, vhost_entry);
[21]	887	if(ext != NULL) free(ext);
[212]	888	f = fopen(path, "rb");
[173]	889	if(f == NULL) {
	890	tw_http_error(s, sock, 403, name, port, vhost_entry);
	891	} else {
	892	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, st.st_mtime, cmtime);
	893	fclose(f);
	894	}
[21]	895	}
[22]	896	} else {
[161]	897	if(!rej) {
	898	tw_http_error(s, sock, 404, name, port, vhost_entry);
	899	}
[21]	900	}
	901	free(path);
[20]	902	}
[21]	903	free(vhost);
	904	free(host);
[22]	905	} else if(ret == -1) {
[18]	906	} else {
[123]	907	tw_http_error(s, sock, 400, name, port, &config.root);
[17]	908	}
[70]	909	tw_free_request(&req);
[12]	910	cleanup:
[43]	911	#ifndef NO_SSL
[16]	912	if(sslworks) {
[15]	913	SSL_shutdown(s);
	914	}
	915	SSL_free(s);
[46]	916	#endif
[11]	917	close_socket(sock);
[219]	918	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[216]	919	_endthread();
[100]	920	#elif defined(__HAIKU__)
[105]	921	exit_thread(0);
[11]	922	#endif
[216]	923	#ifndef NO_RETURN_THREAD
[214]	924	return 0;
[215]	925	#endif
[11]	926	}
	927
[62]	928	#ifdef SERVICE
	929	extern SERVICE_STATUS status;
	930	extern SERVICE_STATUS_HANDLE status_handle;
	931	#endif
	932
[219]	933	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[65]	934	struct thread_entry {
[101]	935	#ifdef __HAIKU__
	936	thread_id thread;
	937	#else
[65]	938	HANDLE handle;
[101]	939	#endif
[65]	940	bool used;
	941	};
	942	#endif
	943
[183]	944	extern int running;
	945
[11]	946	void tw_server_loop(void) {
[68]	947	int i;
[212]	948	#ifndef USE_POLL
[213]	949	fd_set fdset;
	950	struct timeval tv;
[212]	951	#endif
[219]	952	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[65]	953	struct thread_entry threads[2048];
[70]	954	for(i = 0; i < sizeof(threads) / sizeof(threads[0]); i++) {
[65]	955	threads[i].used = false;
	956	}
	957	#endif
[118]	958	#ifdef USE_POLL
[302]	959	struct pollfd* pollfds = malloc(sizeof(pollfds) sockcount);
[118]	960	for(i = 0; i < sockcount; i++) {
	961	pollfds[i].fd = sockets[i];
	962	pollfds[i].events = POLLIN \| POLLPRI;
	963	}
	964	#endif
[183]	965	while(running) {
[212]	966	int ret;
[118]	967	#ifdef USE_POLL
[212]	968	ret = poll(pollfds, sockcount, 1000);
[118]	969	#else
	970	FD_ZERO(&fdset);
	971	for(i = 0; i < sockcount; i++) {
	972	FD_SET(sockets[i], &fdset);
	973	}
	974	tv.tv_sec = 1;
	975	tv.tv_usec = 0;
[86]	976	#ifdef __HAIKU__
[212]	977	ret = select(32, &fdset, NULL, NULL, &tv);
[86]	978	#else
[212]	979	ret = select(FD_SETSIZE, &fdset, NULL, NULL, &tv);
[86]	980	#endif
[118]	981	#endif
[11]	982	if(ret == -1) {
[219]	983	#if !defined(__MINGW32__) && !defined(_MSC_VER) && !defined(__BORLANDC__) && !defined(__WATCOMC__)
[296]	984	if(errno == EINTR) continue;
[84]	985	cm_log("Server", "Select failure: %s", strerror(errno));
	986	#endif
[9]	987	break;
[70]	988	} else if(ret == 0) {
[62]	989	#ifdef SERVICE
[70]	990	if(status.dwCurrentState == SERVICE_STOP_PENDING) {
[62]	991	break;
	992	}
	993	#endif
[11]	994	} else if(ret > 0) {
[9]	995	/* connection */
	996	int i;
[11]	997	for(i = 0; i < sockcount; i++) {
[118]	998	bool cond;
	999	#ifdef USE_POLL
	1000	cond = pollfds[i].revents & POLLIN;
	1001	#else
	1002	cond = FD_ISSET(sockets[i], &fdset);
	1003	#endif
	1004	if(cond) {
[9]	1005	SOCKADDR claddr;
[182]	1006	socklen_t clen = sizeof(claddr);
[9]	1007	int sock = accept(sockets[i], (struct sockaddr*)&claddr, &clen);
[219]	1008	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	1009	int j;
	1010	struct pass_entry* e = malloc(sizeof(*e));
[12]	1011	cm_log("Server", "New connection accepted");
[11]	1012	e->sock = sock;
[215]	1013	#if defined(_MSC_VER) \|\| defined(__BORLANDC__)
[212]	1014	e->ssl = config.ports[i] & (1UL << 31);
	1015	#else
	1016	e->ssl = config.ports[i] & (1ULL << 31);
	1017	#endif
[12]	1018	e->port = config.ports[i];
[21]	1019	e->addr = claddr;
[97]	1020	#endif
[219]	1021	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	1022	_beginthread(tw_server_pass, 0, e);
[187]	1023	#elif defined(_PSP) \|\| defined(__PPU__)
[183]	1024	tw_server_pass(e);
[97]	1025	#elif defined(__HAIKU__)
[183]	1026	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	1027	if(threads[j].used) {
	1028	thread_info info;
	1029	bool kill = false;
	1030	if(get_thread_info(threads[j].thread, &info) == B_OK) {
	1031	} else {
	1032	kill = true;
[101]	1033	}
[183]	1034	if(kill) {
	1035	threads[j].used = false;
[101]	1036	}
	1037	}
[183]	1038	}
	1039	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	1040	if(!threads[j].used) {
	1041	threads[j].thread = spawn_thread(tw_server_pass, "Tewi HTTPd", 60, e);
	1042	threads[j].used = true;
	1043	resume_thread(threads[j].thread);
	1044	break;
	1045	}
	1046	}
[11]	1047	#else
	1048	pid_t pid = fork();
	1049	if(pid == 0) {
[89]	1050	int j;
	1051	for(j = 0; j < sockcount; j++) close_socket(sockets[j]);
[212]	1052	tw_server_pass(sock, config.ports[i] & (1ULL << 31), config.ports[i], claddr);
[11]	1053	_exit(0);
	1054	} else {
	1055	close_socket(sock);
	1056	}
	1057	#endif
[9]	1058	}
	1059	}
	1060	}
	1061	}
[255]	1062	for(i = 0; i < sockcount; i++) {
[253]	1063	close_socket(sockets[i]);
	1064	}
	1065	cm_force_log("Server is down");
[9]	1066	}

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source: Main/trunk/Server/server.c@ 311

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