server.c@ 348

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Last change on this file since 348 was 348, checked in by Nishi, on Oct 16, 2024 at 4:55:34 AM
os/2 fix
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File size: 30.0 KB

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

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source: Main/trunk/Server/server.c@ 348

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