server.c@ 359

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Last change on this file since 359 was 359, checked in by Nishi, on Oct 16, 2024 at 11:34:51 PM
add dos supportr
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File size: 30.0 KB

Rev	Line
[8]	1	/* $Id: server.c 359 2024-10-16 14:34:51Z 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
[312]	21	#include <ctype.h>
[8]	22	#include <string.h>
[11]	23	#include <stdbool.h>
[20]	24	#include <stdarg.h>
[43]	25	#include <stdio.h>
	26	#include <stdlib.h>
[84]	27	#include <errno.h>
[212]	28	#include <sys/types.h>
[21]	29	#include <sys/stat.h>
[32]	30	#include <time.h>
[8]	31
[18]	32	#include <cm_string.h>
[8]	33	#include <cm_log.h>
[21]	34	#include <cm_dir.h>
[8]	35
[312]	36	#ifdef __OS2__
	37	#include <types.h>
	38	#include <sys/time.h>
	39	#define INCL_DOSPROCESS
	40	#include <os2.h>
	41	#include <process.h>
	42	#define HANDLE void*
	43
	44	#include "strptime.h"
	45	typedef int socklen_t;
	46
	47	#include <tcpustd.h>
	48	#endif
	49
[359]	50	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| (defined(__WATCOMC__) && !defined(__OS2__) && !defined(__NETWARE__) && !defined(__DOS__))
[255]	51	#ifndef NO_GETNAMEINFO
[116]	52	#include <ws2tcpip.h>
	53	#include <wspiapi.h>
[163]	54	#endif
[240]	55	#ifdef USE_WINSOCK1
	56	#include <winsock.h>
	57	#else
[8]	58	#include <winsock2.h>
[240]	59	#endif
[11]	60	#include <process.h>
[62]	61	#include <windows.h>
[32]	62
	63	#include "strptime.h"
[216]	64	typedef int socklen_t;
[315]	65	#elif defined(__NETWARE__)
	66	#include <sys/socket.h>
[349]	67
	68	#define IPPROTO_TCP 0
	69	#define INADDR_ANY 0
[315]	70	#define htons(x) x
	71	#include "strptime.h"
[349]	72	typedef int socklen_t;
[359]	73	#elif defined(__DOS__)
	74	#include <netinet/tcp.h>
	75	#include <netinet/in.h>
	76	#include <arpa/inet.h>
	77	#include <sys/select.h>
	78
	79	#include "strptime.h"
[8]	80	#else
[118]	81	#ifdef USE_POLL
[187]	82	#ifdef __PPU__
	83	#include <net/poll.h>
	84	#else
[118]	85	#include <poll.h>
[187]	86	#endif
[118]	87	#else
[328]	88	#ifndef __NeXT__
[8]	89	#include <sys/select.h>
[118]	90	#endif
[348]	91	#ifdef __OS2__
	92	#include <netinet/in.h>
[328]	93	#endif
[348]	94	#endif
[8]	95	#include <sys/socket.h>
	96	#include <arpa/inet.h>
[331]	97	#if !defined(__PPU__)
[332]	98	#ifdef __NeXT__
	99	#include <netinet/in_systm.h>
	100	#endif
[8]	101	#include <netinet/tcp.h>
[187]	102	#endif
[255]	103	#ifndef NO_GETNAMEINFO
[116]	104	#include <netdb.h>
[8]	105	#endif
[163]	106	#endif
[8]	107
[189]	108	#if defined(_PSP) \|\| defined(__ps2sdk__)
[182]	109	#include "strptime.h"
	110	#endif
	111
[97]	112	#ifdef __HAIKU__
	113	#include <OS.h>
	114	#endif
	115
[334]	116	#ifdef __NeXT__
	117	#include <sys/time.h>
	118	#endif
	119
[347]	120	#if defined(__USLC__) \|\| defined(__NeXT__)
[303]	121	typedef int socklen_t;
	122	#endif
	123
[212]	124	#ifndef S_ISDIR
[272]	125	#define S_ISDIR(x) ((x) & _S_IFDIR)
[212]	126	#endif
	127
[8]	128	extern struct tw_config config;
[18]	129	extern char tw_server[];
[8]	130
	131	int sockcount = 0;
	132
[9]	133	SOCKADDR addresses[MAX_PORTS];
	134	int sockets[MAX_PORTS];
[8]	135
[219]	136	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[70]	137	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"};
	138	#endif
	139
[23]	140	/* https://qiita.com/gyu-don/items/5a640c6d2252a860c8cd */
	141	int tw_wildcard_match(const char* wildcard, const char* target) {
	142	const char pw = wildcard, pt = target;
	143
	144	while(1) {
	145	if(*pt == 0) {
	146	while(pw == '') pw++;
	147	return *pw == 0;
	148	} else if(*pw == 0) {
	149	return 0;
	150	} else if(pw == '') {
	151	return *(pw + 1) == 0 \|\| tw_wildcard_match(pw, pt + 1) \|\| tw_wildcard_match(pw + 1, pt);
[312]	152	} else if(pw == '?' \|\| (tolower(pw) == tolower(*pt))) {
[23]	153	pw++;
	154	pt++;
	155	continue;
	156	} else {
	157	return 0;
	158	}
	159	}
	160	}
	161
[8]	162	void close_socket(int sock) {
[312]	163	#ifdef __OS2__
	164	soclose(sock);
[315]	165	#elif defined(__NETWARE__)
	166	shutdown(sock, 2);
[312]	167	#elif defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[8]	168	closesocket(sock);
	169	#else
	170	close(sock);
	171	#endif
	172	}
	173
	174	int tw_server_init(void) {
	175	int i;
[359]	176	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| (defined(__WATCOMC__) && !defined(__OS2__) && !defined(__NETWARE__) && !defined(__DOS__))
[8]	177	WSADATA wsa;
[240]	178	#ifdef USE_WINSOCK1
	179	WSAStartup(MAKEWORD(1, 1), &wsa);
	180	#else
[8]	181	WSAStartup(MAKEWORD(2, 0), &wsa);
	182	#endif
[240]	183	#endif
[312]	184	#ifdef __OS2__
	185	sock_init();
	186	#endif
[8]	187	for(i = 0; config.ports[i] != -1; i++)
	188	;
	189	sockcount = i;
	190	for(i = 0; config.ports[i] != -1; i++) {
[212]	191	int yes = 1;
	192	int no = 0;
[8]	193	#ifdef NO_IPV6
	194	int sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
	195	#else
	196	int sock = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
	197	#endif
[215]	198	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__)
[8]	199	if(sock == INVALID_SOCKET)
	200	#else
	201	if(sock < 0)
	202	#endif
	203	{
	204	cm_log("Server", "Socket creation failure");
	205	return 1;
	206	}
	207	if(setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(yes)) < 0) {
	208	close_socket(sock);
	209	cm_log("Server", "setsockopt failure (reuseaddr)");
	210	return 1;
	211	}
[275]	212	#if !defined(__PPU__) && !defined(__minix)
[8]	213	if(setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(yes)) < 0) {
	214	close_socket(sock);
	215	cm_log("Server", "setsockopt failure (nodelay)");
	216	return 1;
	217	}
[187]	218	#endif
[8]	219	#ifndef NO_IPV6
	220	if(setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&no, sizeof(no)) < 0) {
	221	close_socket(sock);
	222	cm_log("Server", "setsockopt failure (IPv6)");
	223	return 1;
	224	}
	225	#endif
	226	memset(&addresses[i], 0, sizeof(addresses[i]));
	227	#ifdef NO_IPV6
	228	addresses[i].sin_family = AF_INET;
	229	addresses[i].sin_addr.s_addr = INADDR_ANY;
[214]	230	addresses[i].sin_port = htons(config.ports[i] & 0xffff);
[8]	231	#else
	232	addresses[i].sin6_family = AF_INET6;
	233	addresses[i].sin6_addr = in6addr_any;
[214]	234	addresses[i].sin6_port = htons(config.ports[i] & 0xffff);
[8]	235	#endif
	236	if(bind(sock, (struct sockaddr*)&addresses[i], sizeof(addresses[i])) < 0) {
	237	close_socket(sock);
	238	cm_log("Server", "Bind failure");
	239	return 1;
	240	}
	241	if(listen(sock, 128) < 0) {
	242	close_socket(sock);
	243	cm_log("Server", "Listen failure");
	244	return 1;
	245	}
	246	sockets[i] = sock;
	247	}
	248	return 0;
	249	}
[9]	250
[16]	251	size_t tw_read(SSL* ssl, int s, void* data, size_t len) {
[43]	252	#ifndef NO_SSL
[16]	253	if(ssl == NULL) {
	254	return recv(s, data, len, 0);
	255	} else {
	256	return SSL_read(ssl, data, len);
	257	}
[43]	258	#else
	259	return recv(s, data, len, 0);
	260	#endif
[16]	261	}
	262
	263	size_t tw_write(SSL* ssl, int s, void* data, size_t len) {
[43]	264	#ifndef NO_SSL
[16]	265	if(ssl == NULL) {
	266	return send(s, data, len, 0);
	267	} else {
	268	return SSL_write(ssl, data, len);
	269	}
[43]	270	#else
	271	return send(s, data, len, 0);
	272	#endif
[16]	273	}
	274
[20]	275	#define ERROR_HTML \
[18]	276	"<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n" \
	277	"<html>\n" \
	278	" <head>\n" \
[20]	279	" <title>%s</title>\n" \
[18]	280	" </head>\n" \
	281	" <body>\n" \
[20]	282	" <h1>%s</h1>\n" \
[18]	283	" <hr>\n" \
	284	" ", \
	285	address, \
	286	"\n" \
	287	" </body>\n" \
	288	"</html>\n"
	289
[32]	290	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]	291	char construct[512];
[212]	292	size_t incr;
[32]	293	if(mtime != 0 && cmtime != 0 && mtime <= cmtime) {
	294	status = "304 Not Modified";
	295	type = NULL;
	296	size = 0;
	297	headers = NULL;
	298	f = NULL;
	299	doc = NULL;
	300	}
[215]	301	#if defined(_MSC_VER) \|\| defined(__BORLANDC__)
[212]	302	sprintf(construct, "%lu", (unsigned long)size);
	303	#else
[18]	304	sprintf(construct, "%llu", (unsigned long long)size);
[212]	305	#endif
[18]	306	tw_write(ssl, sock, "HTTP/1.1 ", 9);
	307	tw_write(ssl, sock, (char*)status, strlen(status));
	308	tw_write(ssl, sock, "\r\n", 2);
[24]	309	if(type != NULL) {
	310	tw_write(ssl, sock, "Content-Type: ", 7 + 5 + 2);
	311	tw_write(ssl, sock, (char*)type, strlen(type));
	312	tw_write(ssl, sock, "\r\n", 2);
	313	}
[18]	314	tw_write(ssl, sock, "Server: ", 6 + 2);
	315	tw_write(ssl, sock, tw_server, strlen(tw_server));
	316	tw_write(ssl, sock, "\r\n", 2);
[24]	317	if(size != 0) {
	318	tw_write(ssl, sock, "Content-Length: ", 7 + 7 + 2);
	319	tw_write(ssl, sock, construct, strlen(construct));
	320	tw_write(ssl, sock, "\r\n", 2);
[32]	321	if(mtime != 0) {
	322	struct tm* tm = gmtime(&mtime);
	323	char date[513];
	324	strftime(date, 512, "%a, %d %b %Y %H:%M:%S GMT", tm);
	325	tw_write(ssl, sock, "Last-Modified: ", 5 + 8 + 2);
	326	tw_write(ssl, sock, date, strlen(date));
	327	tw_write(ssl, sock, "\r\n", 2);
	328	}
[24]	329	}
	330	if(headers != NULL) {
[212]	331	int i;
[24]	332	for(i = 0; headers[i] != NULL; i += 2) {
	333	tw_write(ssl, sock, headers[i], strlen(headers[i]));
	334	tw_write(ssl, sock, ": ", 2);
	335	tw_write(ssl, sock, headers[i + 1], strlen(headers[i + 1]));
	336	tw_write(ssl, sock, "\r\n", 2);
	337	}
	338	}
[18]	339	tw_write(ssl, sock, "\r\n", 2);
[24]	340	if(doc == NULL && f == NULL) return;
[212]	341	incr = 0;
[18]	342	while(1) {
[22]	343	if(f != NULL) {
[21]	344	char buffer[128];
	345	fread(buffer, size < 128 ? size : 128, 1, f);
	346	tw_write(ssl, sock, buffer, size < 128 ? size : 128);
[22]	347	} else {
[21]	348	tw_write(ssl, sock, (unsigned char*)doc + incr, size < 128 ? size : 128);
	349	}
[18]	350	incr += 128;
[19]	351	if(size <= 128) break;
[18]	352	size -= 128;
	353	}
	354	}
	355
[32]	356	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]	357
[18]	358	const char* tw_http_status(int code) {
[20]	359	if(code == 200) {
	360	return "200 OK";
[166]	361	} else if(code == 301) {
[167]	362	return "301 Moved Permanently";
[24]	363	} else if(code == 308) {
	364	return "308 Permanent Redirect";
[20]	365	} else if(code == 400) {
[18]	366	return "400 Bad Request";
[20]	367	} else if(code == 401) {
	368	return "401 Unauthorized";
	369	} else if(code == 403) {
	370	return "403 Forbidden";
	371	} else if(code == 404) {
	372	return "404 Not Found";
[161]	373	} else if(code == 500) {
	374	return "500 Internal Server Error";
[18]	375	} else {
	376	return "400 Bad Request";
	377	}
	378	}
	379
[123]	380	char* tw_http_default_error(int code, char* name, int port, struct tw_config_entry* vhost) {
[18]	381	char address[1024];
[212]	382	char* st;
	383	char* st2;
	384	char* buffer;
	385	char* str;
	386	int i;
[20]	387
[123]	388	if((vhost->hideport == -1 ? config.root.hideport : vhost->hideport) == 1) {
	389	sprintf(address, "<address>%s Server at %s</address>", tw_server, name, port);
	390	} else {
	391	sprintf(address, "<address>%s Server at %s Port %d</address>", tw_server, name, port);
	392	}
	393
[212]	394	st = cm_strdup(tw_http_status(code));
[20]	395	for(i = 0; st[i] != 0; i++) {
	396	if(st[i] == ' ') {
	397	st2 = cm_strdup(st + i + 1);
	398	break;
	399	}
[18]	400	}
[212]	401	buffer = malloc(4096);
	402	str = cm_strcat3(ERROR_HTML);
[20]	403	sprintf(buffer, str, st, st2);
	404	free(str);
	405	free(st);
	406	return buffer;
[18]	407	}
	408
[123]	409	void tw_http_error(SSL* ssl, int sock, int error, char* name, int port, struct tw_config_entry* vhost) {
	410	char* str = tw_http_default_error(error, name, port, vhost);
[32]	411	tw_process_page(ssl, sock, tw_http_status(error), "text/html", NULL, str, strlen(str), 0, 0);
[18]	412	free(str);
	413	}
	414
[20]	415	void addstring(char** str, const char* add, ...) {
	416	int i;
	417	char cbuf[2];
[212]	418	va_list va;
[20]	419	cbuf[1] = 0;
	420	va_start(va, add);
	421	for(i = 0; add[i] != 0; i++) {
	422	cbuf[0] = add[i];
	423	if(add[i] == '%') {
	424	i++;
	425	if(add[i] == 's') {
	426	char* tmp = *str;
	427	str = cm_strcat(tmp, va_arg(va, const char));
	428	free(tmp);
	429	} else if(add[i] == 'h') {
	430	char* h = cm_html_escape(va_arg(va, const char*));
	431	char* tmp = *str;
	432	*str = cm_strcat(tmp, h);
	433	free(tmp);
	434	free(h);
[21]	435	} else if(add[i] == 'l') {
	436	char* h = cm_url_escape(va_arg(va, const char*));
	437	char* tmp = *str;
	438	*str = cm_strcat(tmp, h);
	439	free(tmp);
	440	free(h);
[20]	441	} else if(add[i] == 'd') {
	442	int n = va_arg(va, int);
	443	char* h = malloc(512);
[212]	444	char* tmp = *str;
[20]	445	sprintf(h, "%d", n);
	446	*str = cm_strcat(tmp, h);
	447	free(tmp);
	448	free(h);
	449	} else if(add[i] == '%') {
	450	char* tmp = *str;
	451	*str = cm_strcat(tmp, "%");
	452	free(tmp);
	453	}
	454	} else {
	455	char* tmp = *str;
	456	*str = cm_strcat(tmp, cbuf);
	457	free(tmp);
	458	}
	459	}
[74]	460	va_end(va);
[20]	461	}
	462
[22]	463	char* tw_get_mime(const char* ext, struct tw_config_entry* vhost_entry) {
	464	char* mime = "application/octet-stream";
	465	bool set = false;
	466	int i;
[212]	467	if(ext == NULL) return mime;
[22]	468	for(i = 0; i < vhost_entry->mime_count; i++) {
[23]	469	if(strcmp(vhost_entry->mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(vhost_entry->mimes[i].ext, ext))) {
[22]	470	mime = vhost_entry->mimes[i].mime;
	471	set = true;
	472	}
	473	}
	474	if(!set) {
	475	for(i = 0; i < config.root.mime_count; i++) {
[23]	476	if(strcmp(config.root.mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(config.root.mimes[i].ext, ext))) {
[22]	477	mime = config.root.mimes[i].mime;
	478	}
	479	}
	480	}
	481	return mime;
	482	}
	483
	484	char* tw_get_icon(const char* mime, struct tw_config_entry* vhost_entry) {
	485	char* icon = "";
	486	bool set = false;
	487	int i;
[212]	488	if(mime == NULL) return "";
[22]	489	for(i = 0; i < vhost_entry->icon_count; i++) {
[23]	490	if(strcmp(vhost_entry->icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(vhost_entry->icons[i].mime, mime))) {
[22]	491	icon = vhost_entry->icons[i].icon;
	492	set = true;
	493	}
	494	}
	495	if(!set) {
	496	for(i = 0; i < config.root.icon_count; i++) {
[23]	497	if(strcmp(config.root.icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(config.root.icons[i].mime, mime))) {
[22]	498	icon = config.root.icons[i].icon;
	499	}
	500	}
	501	}
	502	return icon;
	503	}
	504
[11]	505	struct pass_entry {
	506	int sock;
[12]	507	int port;
[11]	508	bool ssl;
[21]	509	SOCKADDR addr;
[11]	510	};
	511
[219]	512	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[216]	513	#define NO_RETURN_THREAD
[215]	514	void tw_server_pass(void* ptr) {
[97]	515	#elif defined(__HAIKU__)
	516	int32_t tw_server_pass(void* ptr) {
[187]	517	#elif defined(_PSP) \|\| defined(__PPU__)
[183]	518	int tw_server_pass(void* ptr) {
[105]	519	#endif
[219]	520	#if defined(__HAIKU__) \|\| defined(__MINGW32__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	521	#define FREE_PTR
[11]	522	int sock = ((struct pass_entry*)ptr)->sock;
	523	bool ssl = ((struct pass_entry*)ptr)->ssl;
[14]	524	int port = ((struct pass_entry*)ptr)->port;
[21]	525	SOCKADDR addr = ((struct pass_entry*)ptr)->addr;
[11]	526	#else
[216]	527	#define NO_RETURN_THREAD
[105]	528	void tw_server_pass(int sock, bool ssl, int port, SOCKADDR addr) {
[11]	529	#endif
[212]	530	SSL* s = NULL;
[43]	531	#ifndef NO_SSL
[12]	532	SSL_CTX* ctx = NULL;
[15]	533	bool sslworks = false;
[12]	534	if(ssl) {
	535	ctx = tw_create_ssl_ctx(port);
	536	s = SSL_new(ctx);
	537	SSL_set_fd(s, sock);
	538	if(SSL_accept(s) <= 0) goto cleanup;
[15]	539	sslworks = true;
[12]	540	}
[43]	541	#endif
[212]	542	char* name = config.hostname;
[116]	543	char address[513];
[212]	544	int ret;
	545	struct tw_http_request req;
	546	struct tw_http_response res;
	547	struct tw_tool tools;
[255]	548	char* addrstr;
	549	#ifndef NO_GETNAMEINFO
[116]	550	struct sockaddr* sa = (struct sockaddr*)&addr;
	551	getnameinfo(sa, sizeof(addr), address, 512, NULL, 0, NI_NUMERICHOST);
[315]	552	#elif defined(__NETWARE__)
	553	address[0] = 0;
[257]	554	#else
[315]	555	addrstr = inet_ntoa(addr.sin_addr);
	556	strcpy(address, addrstr);
	557	address[strlen(addrstr)] = 0;
[163]	558	#endif
[212]	559	#ifdef FREE_PTR
	560	free(ptr);
	561	#endif
[116]	562
[20]	563	res._processed = false;
	564	tw_init_tools(&tools);
[212]	565	ret = tw_http_parse(s, sock, &req);
[17]	566	if(ret == 0) {
[116]	567	char date[513];
	568	time_t t = time(NULL);
	569	struct tm* tm = localtime(&t);
[212]	570	char* useragent = cm_strdup("");
	571	int i;
	572	char* tmp;
	573	char* tmp2;
	574	char* tmp3;
	575	char* tmp4;
	576	char* tmp5;
	577	char* log;
	578	char* vhost;
	579	time_t cmtime;
	580	bool rej;
	581	char* host;
	582	int port;
[293]	583	char* chrootpath;
[212]	584	struct tw_config_entry* vhost_entry;
[116]	585	strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
	586
[117]	587	for(i = 0; req.headers[i] != NULL; i += 2) {
	588	if(cm_strcaseequ(req.headers[i], "User-Agent")) {
[116]	589	free(useragent);
	590	useragent = cm_strdup(req.headers[i + 1]);
	591	}
	592	}
	593
[212]	594	tmp = cm_strcat3(address, " - [", date);
	595	tmp2 = cm_strcat3(tmp, "] \"", req.method);
	596	tmp3 = cm_strcat3(tmp2, " ", req.path);
	597	tmp4 = cm_strcat3(tmp3, " ", req.version);
	598	tmp5 = cm_strcat3(tmp4, "\" \"", useragent);
	599	log = cm_strcat(tmp5, "\"");
[116]	600	free(tmp);
	601	free(tmp2);
	602	free(tmp3);
	603	free(tmp4);
	604	free(tmp5);
	605	free(useragent);
	606	cm_force_log(log);
	607	free(log);
	608
[212]	609	vhost = cm_strdup(config.hostname);
	610	cmtime = 0;
[70]	611	if(req.headers != NULL) {
[64]	612	for(i = 0; req.headers[i] != NULL; i += 2) {
	613	if(cm_strcaseequ(req.headers[i], "Host")) {
	614	free(vhost);
	615	vhost = cm_strdup(req.headers[i + 1]);
	616	} else if(cm_strcaseequ(req.headers[i], "If-Modified-Since")) {
	617	struct tm tm;
[212]	618	time_t t;
	619	struct tm* btm;
[64]	620	strptime(req.headers[i + 1], "%a, %d %b %Y %H:%M:%S GMT", &tm);
[342]	621	#if defined(__MINGW32__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(__ps2sdk__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__) \|\| defined(__USLC__) \|\| defined(__NeXT__)
[212]	622	t = 0;
	623	btm = localtime(&t);
[64]	624	cmtime = mktime(&tm);
	625	cmtime -= (btm->tm_hour * 60 + btm->tm_min) * 60;
[32]	626	#else
[140]	627	cmtime = timegm(&tm);
[32]	628	#endif
[64]	629	}
[21]	630	}
	631	}
[212]	632	rej = false;
[21]	633	cm_log("Server", "Host is %s", vhost);
[212]	634	port = s == NULL ? 80 : 443;
	635	host = cm_strdup(vhost);
[22]	636	for(i = 0; vhost[i] != 0; i++) {
	637	if(vhost[i] == ':') {
[21]	638	host[i] = 0;
	639	port = atoi(host + i + 1);
	640	break;
	641	}
	642	}
[136]	643	name = host;
[21]	644	cm_log("Server", "Hostname is `%s', port is `%d'", host, port);
[212]	645	vhost_entry = tw_vhost_match(host, port);
[161]	646	#ifdef HAS_CHROOT
[293]	647	chrootpath = vhost_entry->chroot_path != NULL ? vhost_entry->chroot_path : config.root.chroot_path;
[161]	648	if(chrootpath != NULL) {
	649	if(chdir(chrootpath) == 0) {
	650	if(chroot(".") == 0) {
	651	cm_log("Server", "Chroot successful");
	652	}
	653	} else {
	654	cm_log("Server", "chdir() failed, cannot chroot");
	655	tw_http_error(s, sock, 500, name, port, vhost_entry);
	656	rej = true;
	657	}
	658	}
	659	#endif
[20]	660	for(i = 0; i < config.module_count; i++) {
[314]	661	#ifdef __OS2__
	662	tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "MOD_REQUEST");
	663	#else
[315]	664	tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "mod_request");
[314]	665	#endif
[20]	666	if(mod_req != NULL) {
	667	int ret = mod_req(&tools, &req, &res);
	668	int co = ret & 0xff;
[141]	669	if(co == _TW_MODULE_PASS) {
	670	continue;
	671	} else if(co == _TW_MODULE_STOP) {
	672	/* Handle response here ... */
[20]	673	res._processed = true;
	674	break;
[141]	675	} else if(co == _TW_MODULE_STOP2) {
	676	res._processed = true;
	677	break;
	678	} else if(co == _TW_MODULE_ERROR) {
[123]	679	tw_http_error(s, sock, (ret & 0xffff00) >> 8, name, port, vhost_entry);
[20]	680	break;
	681	}
	682	}
	683	}
	684	if(!res._processed) {
[212]	685	char* path;
	686	char* rpath;
	687	struct stat st;
[215]	688	char* slash;
[21]	689	cm_log("Server", "Document root is %s", vhost_entry->root == NULL ? "not set" : vhost_entry->root);
[212]	690	path = cm_strcat(vhost_entry->root == NULL ? "" : vhost_entry->root, req.path);
[21]	691	cm_log("Server", "Filesystem path is %s", path);
[219]	692	#if defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[216]	693	for(i = strlen(path) - 1; i >= 0; i--) {
	694	if(path[i] == '/') {
[215]	695	path[i] = 0;
[216]	696	} else {
[215]	697	break;
	698	}
	699	}
	700	#endif
[219]	701	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	702	rpath = cm_strdup(path);
[72]	703	for(i = strlen(rpath) - 1; i >= 0; i--) {
[73]	704	if(rpath[i] == '/') {
	705	int j;
	706	for(j = i + 1; rpath[j] != 0; j++) {
	707	if(rpath[j] == ':' \|\| rpath[j] == '.') {
	708	rpath[j] = 0;
	709	break;
	710	}
	711	}
[71]	712	break;
	713	}
	714	}
[70]	715	for(i = 0; i < sizeof(reserved_names) / sizeof(reserved_names[0]); i++) {
	716	char* n = cm_strcat("/", reserved_names[i]);
[71]	717	if(cm_nocase_endswith(rpath, n)) {
[124]	718	tw_http_error(s, sock, 403, name, port, vhost_entry);
[70]	719	free(n);
	720	rej = true;
	721	cm_log("Server", "XP Patch ; rejecting access to device");
	722	break;
	723	}
	724	free(n);
	725	}
[71]	726	free(rpath);
[70]	727	#endif
	728	if(!rej && stat(path, &st) == 0) {
[22]	729	if(!tw_permission_allowed(path, addr, req, vhost_entry)) {
[123]	730	tw_http_error(s, sock, 403, name, port, vhost_entry);
[22]	731	} else if(S_ISDIR(st.st_mode)) {
[24]	732	if(req.path[strlen(req.path) - 1] != '/') {
[215]	733	char* headers[3] = {"Location", NULL, NULL};
	734	headers[1] = cm_strcat(req.path, "/");
[61]	735	cm_log("Server", "Accessing directory without the slash at the end");
[166]	736	_tw_process_page(s, sock, tw_http_status(301), NULL, NULL, NULL, 0, headers, 0, 0);
[24]	737	free(headers[1]);
	738	} else {
	739	char** indexes = vhost_entry->index_count == 0 ? config.root.indexes : vhost_entry->indexes;
	740	int index_count = vhost_entry->index_count == 0 ? config.root.index_count : vhost_entry->index_count;
	741	bool found = false;
	742	for(i = 0; i < index_count; i++) {
	743	char* p = cm_strcat3(path, "/", indexes[i]);
	744	FILE* f = fopen(p, "rb");
	745	if(f != NULL) {
	746	char* ext = NULL;
	747	int j;
[212]	748	struct stat st;
	749	char* mime;
[24]	750	for(j = strlen(p) - 1; j >= 0; j--) {
	751	if(p[j] == '.') {
	752	ext = cm_strdup(p + j);
	753	break;
	754	} else if(p[j] == '/') {
	755	break;
	756	}
[22]	757	}
[24]	758	stat(p, &st);
[212]	759	mime = tw_get_mime(ext, vhost_entry);
[32]	760	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, 0, 0);
[24]	761	fclose(f);
[74]	762	if(ext != NULL) free(ext);
[24]	763	free(p);
	764	found = true;
	765	break;
[22]	766	}
[24]	767	free(p);
	768	}
	769	if(!found) {
	770	char* str = malloc(1);
[212]	771	char** items;
	772	int readme;
	773	char** readmes;
	774	int readme_count;
	775	int hp;
[24]	776	str[0] = 0;
[212]	777	items = cm_scandir(path);
[122]	778	addstring(&str, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n");
[24]	779	addstring(&str, "<html>\n");
	780	addstring(&str, " <head>\n");
	781	addstring(&str, " <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n");
[122]	782	addstring(&str, " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n");
[24]	783	addstring(&str, " <title>Index of %h</title>\n", req.path);
	784	addstring(&str, " </head>\n");
	785	addstring(&str, " <body>\n");
	786	addstring(&str, " <h1>Index of %h</h1>\n", req.path);
	787	addstring(&str, " <hr>\n");
	788	addstring(&str, " <table border=\"0\">\n");
	789	addstring(&str, " <tr>\n");
	790	addstring(&str, " <th></th>\n");
	791	addstring(&str, " <th>Filename</th>\n");
[28]	792	addstring(&str, " <th>MIME</th>\n");
	793	addstring(&str, " <th>Size</th>\n");
[24]	794	addstring(&str, " </tr>\n");
[212]	795	readme = -1;
	796	readmes = vhost_entry->readme_count == 0 ? config.root.readmes : vhost_entry->readmes;
	797	readme_count = vhost_entry->readme_count == 0 ? config.root.readme_count : vhost_entry->readme_count;
[24]	798	if(items != NULL) {
[29]	799	int phase = 0;
	800	doit:
[24]	801	for(i = 0; items[i] != NULL; i++) {
[33]	802	int j;
[212]	803	char* ext;
	804	char* itm;
	805	char* icon;
[28]	806	char* fpth = cm_strcat3(path, "/", items[i]);
	807	struct stat s;
	808	char size[512];
[212]	809	char* showmime;
	810	char* mime;
[28]	811	size[0] = 0;
	812	stat(fpth, &s);
[29]	813	if(phase == 0 && !S_ISDIR(s.st_mode)) {
	814	free(fpth);
	815	continue;
	816	} else if(phase == 1 && S_ISDIR(s.st_mode)) {
	817	free(fpth);
	818	continue;
	819	}
[33]	820	if(readme == -1) {
	821	for(j = 0; j < readme_count; j++) {
	822	if(strcmp(items[i], readmes[j]) == 0) {
	823	readme = j;
	824	break;
	825	}
	826	}
	827	if(readme != -1) {
	828	free(fpth);
	829	continue;
	830	}
	831	}
[212]	832	if(s.st_size < NUM1024) {
[31]	833	sprintf(size, "%d", (int)s.st_size);
[212]	834	} else if(s.st_size < NUM1024 * 1024) {
[29]	835	sprintf(size, "%.1fK", (double)s.st_size / 1024);
[212]	836	} else if(s.st_size < NUM1024 * 1024 * 1024) {
[29]	837	sprintf(size, "%.1fM", (double)s.st_size / 1024 / 1024);
[212]	838	} else if(s.st_size < NUM1024 * 1024 * 1024 * 1024) {
[29]	839	sprintf(size, "%.1fG", (double)s.st_size / 1024 / 1024 / 1024);
[212]	840	} else if(s.st_size < NUM1024 * 1024 * 1024 * 1024 * 1024) {
[29]	841	sprintf(size, "%.1fT", (double)s.st_size / 1024 / 1024 / 1024 / 1024);
[28]	842	}
	843
	844	free(fpth);
	845
[212]	846	ext = NULL;
[24]	847	for(j = strlen(items[i]) - 1; j >= 0; j--) {
	848	if(items[i][j] == '.') {
	849	ext = cm_strdup(items[i] + j);
	850	break;
	851	} else if(items[i][j] == '/') {
	852	break;
	853	}
	854	}
[212]	855	showmime = "";
	856	mime = tw_get_mime(ext, vhost_entry);
[24]	857	if(strcmp(items[i], "../") == 0) {
	858	mime = "misc/parent";
[29]	859	size[0] = 0;
[24]	860	} else if(items[i][strlen(items[i]) - 1] == '/') {
	861	mime = "misc/dir";
[29]	862	size[0] = 0;
	863	} else {
[28]	864	showmime = mime;
[24]	865	}
[212]	866	icon = tw_get_icon(mime, vhost_entry);
[24]	867	if(ext != NULL) free(ext);
[212]	868	itm = cm_strdup(items[i]);
[24]	869	if(strlen(itm) >= 32) {
	870	if(itm[strlen(itm) - 1] == '/') {
	871	itm[31] = 0;
	872	itm[30] = '/';
	873	itm[29] = '.';
	874	itm[28] = '.';
	875	itm[27] = '.';
	876	} else {
	877	itm[31] = 0;
	878	itm[30] = '.';
	879	itm[29] = '.';
	880	itm[28] = '.';
	881	}
	882	}
	883	addstring(&str, "<tr>\n");
	884	addstring(&str, " <td><img src=\"%s\" alt=\"icon\"></td>\n", icon);
	885	addstring(&str, " <td><a href=\"%l\"><code>%h</code></a></td>\n", items[i], itm);
[60]	886	addstring(&str, " <td><code> %h </code></td>\n", showmime);
	887	addstring(&str, " <td><code> %s </code></td>\n", size);
[24]	888	addstring(&str, "</tr>\n");
	889	free(itm);
[22]	890	}
[29]	891	phase++;
	892	if(phase != 2) goto doit;
	893	for(i = 0; items[i] != NULL; i++) free(items[i]);
	894	free(items);
[22]	895	}
[24]	896	addstring(&str, " </table>\n");
[33]	897	if(readme != -1) {
[212]	898	struct stat s;
	899	FILE* fr;
	900	char* fpth;
[33]	901	addstring(&str, "<hr>\n");
[212]	902	fpth = cm_strcat3(path, "/", readmes[readme]);
[33]	903	stat(fpth, &s);
[212]	904	fr = fopen(fpth, "r");
[33]	905	if(fr != NULL) {
	906	char* rmbuf = malloc(s.st_size + 1);
	907	rmbuf[s.st_size] = 0;
	908	fread(rmbuf, s.st_size, 1, fr);
	909	addstring(&str, "<pre><code>%h</code></pre>\n", rmbuf);
	910	fclose(fr);
[70]	911	free(rmbuf);
[33]	912	}
[66]	913	free(fpth);
[33]	914	}
[24]	915	addstring(&str, " <hr>\n");
[212]	916	hp = vhost_entry->hideport == -1 ? config.root.hideport : vhost_entry->hideport;
[123]	917	if(hp == 0) {
	918	addstring(&str, " <address>%s Server at %s Port %d</address>\n", tw_server, name, port);
	919	} else {
	920	addstring(&str, " <address>%s Server at %s</address>\n", tw_server, name, port);
	921	}
[24]	922	addstring(&str, " </body>\n");
	923	addstring(&str, "</html>\n");
[32]	924	tw_process_page(s, sock, tw_http_status(200), "text/html", NULL, str, strlen(str), 0, 0);
[24]	925	free(str);
[21]	926	}
	927	}
[22]	928	} else {
[21]	929	char* ext = NULL;
[212]	930	char* mime;
	931	FILE* f;
[22]	932	for(i = strlen(req.path) - 1; i >= 0; i--) {
	933	if(req.path[i] == '.') {
[21]	934	ext = cm_strdup(req.path + i);
	935	break;
[24]	936	} else if(req.path[i] == '/') {
	937	break;
[21]	938	}
	939	}
[212]	940	mime = tw_get_mime(ext, vhost_entry);
[21]	941	if(ext != NULL) free(ext);
[212]	942	f = fopen(path, "rb");
[173]	943	if(f == NULL) {
	944	tw_http_error(s, sock, 403, name, port, vhost_entry);
	945	} else {
[349]	946	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, st.st_mtime, cmtime);
[173]	947	fclose(f);
	948	}
[21]	949	}
[22]	950	} else {
[161]	951	if(!rej) {
	952	tw_http_error(s, sock, 404, name, port, vhost_entry);
	953	}
[21]	954	}
	955	free(path);
[20]	956	}
[21]	957	free(vhost);
	958	free(host);
[22]	959	} else if(ret == -1) {
[18]	960	} else {
[123]	961	tw_http_error(s, sock, 400, name, port, &config.root);
[17]	962	}
[70]	963	tw_free_request(&req);
[12]	964	cleanup:
[43]	965	#ifndef NO_SSL
[16]	966	if(sslworks) {
[15]	967	SSL_shutdown(s);
	968	}
	969	SSL_free(s);
[46]	970	#endif
[11]	971	close_socket(sock);
[219]	972	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[315]	973	#ifdef __NETWARE__
[359]	974	#elif defined(__DOS__)
[315]	975	#else
[216]	976	_endthread();
[315]	977	#endif
[100]	978	#elif defined(__HAIKU__)
[105]	979	exit_thread(0);
[11]	980	#endif
[216]	981	#ifndef NO_RETURN_THREAD
[214]	982	return 0;
[215]	983	#endif
[11]	984	}
	985
[62]	986	#ifdef SERVICE
	987	extern SERVICE_STATUS status;
	988	extern SERVICE_STATUS_HANDLE status_handle;
	989	#endif
	990
[219]	991	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[65]	992	struct thread_entry {
[101]	993	#ifdef __HAIKU__
	994	thread_id thread;
[315]	995	#elif defined(__NETWARE__)
	996	int thread;
[359]	997	#elif defined(__DOS__)
[101]	998	#else
[65]	999	HANDLE handle;
[101]	1000	#endif
[65]	1001	bool used;
	1002	};
	1003	#endif
	1004
[183]	1005	extern int running;
	1006
[11]	1007	void tw_server_loop(void) {
[68]	1008	int i;
[212]	1009	#ifndef USE_POLL
[213]	1010	fd_set fdset;
	1011	struct timeval tv;
[212]	1012	#endif
[219]	1013	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[65]	1014	struct thread_entry threads[2048];
[70]	1015	for(i = 0; i < sizeof(threads) / sizeof(threads[0]); i++) {
[65]	1016	threads[i].used = false;
	1017	}
	1018	#endif
[118]	1019	#ifdef USE_POLL
[302]	1020	struct pollfd* pollfds = malloc(sizeof(pollfds) sockcount);
[118]	1021	for(i = 0; i < sockcount; i++) {
	1022	pollfds[i].fd = sockets[i];
	1023	pollfds[i].events = POLLIN \| POLLPRI;
	1024	}
	1025	#endif
[183]	1026	while(running) {
[212]	1027	int ret;
[118]	1028	#ifdef USE_POLL
[212]	1029	ret = poll(pollfds, sockcount, 1000);
[118]	1030	#else
	1031	FD_ZERO(&fdset);
	1032	for(i = 0; i < sockcount; i++) {
	1033	FD_SET(sockets[i], &fdset);
	1034	}
	1035	tv.tv_sec = 1;
	1036	tv.tv_usec = 0;
[86]	1037	#ifdef __HAIKU__
[212]	1038	ret = select(32, &fdset, NULL, NULL, &tv);
[86]	1039	#else
[212]	1040	ret = select(FD_SETSIZE, &fdset, NULL, NULL, &tv);
[86]	1041	#endif
[118]	1042	#endif
[11]	1043	if(ret == -1) {
[219]	1044	#if !defined(__MINGW32__) && !defined(_MSC_VER) && !defined(__BORLANDC__) && !defined(__WATCOMC__)
[296]	1045	if(errno == EINTR) continue;
[84]	1046	cm_log("Server", "Select failure: %s", strerror(errno));
	1047	#endif
[9]	1048	break;
[70]	1049	} else if(ret == 0) {
[62]	1050	#ifdef SERVICE
[70]	1051	if(status.dwCurrentState == SERVICE_STOP_PENDING) {
[62]	1052	break;
	1053	}
	1054	#endif
[11]	1055	} else if(ret > 0) {
[9]	1056	/* connection */
	1057	int i;
[11]	1058	for(i = 0; i < sockcount; i++) {
[118]	1059	bool cond;
	1060	#ifdef USE_POLL
	1061	cond = pollfds[i].revents & POLLIN;
	1062	#else
	1063	cond = FD_ISSET(sockets[i], &fdset);
	1064	#endif
	1065	if(cond) {
[9]	1066	SOCKADDR claddr;
[182]	1067	socklen_t clen = sizeof(claddr);
[9]	1068	int sock = accept(sockets[i], (struct sockaddr*)&claddr, &clen);
[219]	1069	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	1070	int j;
	1071	struct pass_entry* e = malloc(sizeof(*e));
[12]	1072	cm_log("Server", "New connection accepted");
[11]	1073	e->sock = sock;
[215]	1074	#if defined(_MSC_VER) \|\| defined(__BORLANDC__)
[212]	1075	e->ssl = config.ports[i] & (1UL << 31);
	1076	#else
	1077	e->ssl = config.ports[i] & (1ULL << 31);
	1078	#endif
[12]	1079	e->port = config.ports[i];
[21]	1080	e->addr = claddr;
[97]	1081	#endif
[219]	1082	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[312]	1083	#ifdef __OS2__
	1084	_beginthread(tw_server_pass, 0, 0, e);
[315]	1085	#elif defined(__NETWARE__)
[349]	1086	tw_server_pass(e);
[359]	1087	#elif defined(__DOS__)
	1088	tw_server_pass(e);
[312]	1089	#else
[212]	1090	_beginthread(tw_server_pass, 0, e);
[312]	1091	#endif
[187]	1092	#elif defined(_PSP) \|\| defined(__PPU__)
[183]	1093	tw_server_pass(e);
[97]	1094	#elif defined(__HAIKU__)
[183]	1095	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	1096	if(threads[j].used) {
	1097	thread_info info;
	1098	bool kill = false;
	1099	if(get_thread_info(threads[j].thread, &info) == B_OK) {
	1100	} else {
	1101	kill = true;
[101]	1102	}
[183]	1103	if(kill) {
	1104	threads[j].used = false;
[101]	1105	}
	1106	}
[183]	1107	}
	1108	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	1109	if(!threads[j].used) {
	1110	threads[j].thread = spawn_thread(tw_server_pass, "Tewi HTTPd", 60, e);
	1111	threads[j].used = true;
	1112	resume_thread(threads[j].thread);
	1113	break;
	1114	}
	1115	}
[11]	1116	#else
	1117	pid_t pid = fork();
	1118	if(pid == 0) {
[89]	1119	int j;
	1120	for(j = 0; j < sockcount; j++) close_socket(sockets[j]);
[212]	1121	tw_server_pass(sock, config.ports[i] & (1ULL << 31), config.ports[i], claddr);
[11]	1122	_exit(0);
	1123	} else {
	1124	close_socket(sock);
	1125	}
	1126	#endif
[9]	1127	}
	1128	}
	1129	}
	1130	}
[255]	1131	for(i = 0; i < sockcount; i++) {
[253]	1132	close_socket(sockets[i]);
	1133	}
	1134	cm_force_log("Server is down");
[9]	1135	}

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source: Main/trunk/Server/server.c@ 359

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