server.c@ 333

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Last change on this file since 333 was 333, checked in by Nishi, on Oct 15, 2024 at 3:03:30 AM
trying to add nextstep support
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File size: 29.7 KB

Rev	Line
[8]	1	/* $Id: server.c 333 2024-10-14 18:03:30Z 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>
	67	#include <nwthread.h>
	68	#define IPPROTO_TCP 0
	69	#define INADDR_ANY 0
	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
[328]	83	#endif
[8]	84	#include <sys/socket.h>
	85	#include <arpa/inet.h>
[331]	86	#if !defined(__PPU__)
[332]	87	#ifdef __NeXT__
	88	#include <netinet/in_systm.h>
	89	#endif
[8]	90	#include <netinet/tcp.h>
[187]	91	#endif
[255]	92	#ifndef NO_GETNAMEINFO
[116]	93	#include <netdb.h>
[8]	94	#endif
[163]	95	#endif
[8]	96
[189]	97	#if defined(_PSP) \|\| defined(__ps2sdk__)
[182]	98	#include "strptime.h"
	99	#endif
	100
[97]	101	#ifdef __HAIKU__
	102	#include <OS.h>
	103	#endif
	104
[333]	105	#if defined(__USLC__) \|\| defined(__NeXT__) \|\| defined(__NETWARE__)
[303]	106	typedef int socklen_t;
	107	#endif
	108
[212]	109	#ifndef S_ISDIR
[272]	110	#define S_ISDIR(x) ((x) & _S_IFDIR)
[212]	111	#endif
	112
[8]	113	extern struct tw_config config;
[18]	114	extern char tw_server[];
[8]	115
	116	int sockcount = 0;
	117
[9]	118	SOCKADDR addresses[MAX_PORTS];
	119	int sockets[MAX_PORTS];
[8]	120
[219]	121	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[70]	122	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"};
	123	#endif
	124
[23]	125	/* https://qiita.com/gyu-don/items/5a640c6d2252a860c8cd */
	126	int tw_wildcard_match(const char* wildcard, const char* target) {
	127	const char pw = wildcard, pt = target;
	128
	129	while(1) {
	130	if(*pt == 0) {
	131	while(pw == '') pw++;
	132	return *pw == 0;
	133	} else if(*pw == 0) {
	134	return 0;
	135	} else if(pw == '') {
	136	return *(pw + 1) == 0 \|\| tw_wildcard_match(pw, pt + 1) \|\| tw_wildcard_match(pw + 1, pt);
[312]	137	} else if(pw == '?' \|\| (tolower(pw) == tolower(*pt))) {
[23]	138	pw++;
	139	pt++;
	140	continue;
	141	} else {
	142	return 0;
	143	}
	144	}
	145	}
	146
[8]	147	void close_socket(int sock) {
[312]	148	#ifdef __OS2__
	149	soclose(sock);
[315]	150	#elif defined(__NETWARE__)
	151	shutdown(sock, 2);
[312]	152	#elif defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[8]	153	closesocket(sock);
	154	#else
	155	close(sock);
	156	#endif
	157	}
	158
	159	int tw_server_init(void) {
	160	int i;
[315]	161	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| (defined(__WATCOMC__) && !defined(__OS2__) && !defined(__NETWARE__))
[8]	162	WSADATA wsa;
[240]	163	#ifdef USE_WINSOCK1
	164	WSAStartup(MAKEWORD(1, 1), &wsa);
	165	#else
[8]	166	WSAStartup(MAKEWORD(2, 0), &wsa);
	167	#endif
[240]	168	#endif
[312]	169	#ifdef __OS2__
	170	sock_init();
	171	#endif
[8]	172	for(i = 0; config.ports[i] != -1; i++)
	173	;
	174	sockcount = i;
	175	for(i = 0; config.ports[i] != -1; i++) {
[212]	176	int yes = 1;
	177	int no = 0;
[8]	178	#ifdef NO_IPV6
	179	int sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
	180	#else
	181	int sock = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
	182	#endif
[215]	183	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__)
[8]	184	if(sock == INVALID_SOCKET)
	185	#else
	186	if(sock < 0)
	187	#endif
	188	{
	189	cm_log("Server", "Socket creation failure");
	190	return 1;
	191	}
	192	if(setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(yes)) < 0) {
	193	close_socket(sock);
	194	cm_log("Server", "setsockopt failure (reuseaddr)");
	195	return 1;
	196	}
[275]	197	#if !defined(__PPU__) && !defined(__minix)
[8]	198	if(setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(yes)) < 0) {
	199	close_socket(sock);
	200	cm_log("Server", "setsockopt failure (nodelay)");
	201	return 1;
	202	}
[187]	203	#endif
[8]	204	#ifndef NO_IPV6
	205	if(setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&no, sizeof(no)) < 0) {
	206	close_socket(sock);
	207	cm_log("Server", "setsockopt failure (IPv6)");
	208	return 1;
	209	}
	210	#endif
	211	memset(&addresses[i], 0, sizeof(addresses[i]));
	212	#ifdef NO_IPV6
	213	addresses[i].sin_family = AF_INET;
	214	addresses[i].sin_addr.s_addr = INADDR_ANY;
[214]	215	addresses[i].sin_port = htons(config.ports[i] & 0xffff);
[8]	216	#else
	217	addresses[i].sin6_family = AF_INET6;
	218	addresses[i].sin6_addr = in6addr_any;
[214]	219	addresses[i].sin6_port = htons(config.ports[i] & 0xffff);
[8]	220	#endif
	221	if(bind(sock, (struct sockaddr*)&addresses[i], sizeof(addresses[i])) < 0) {
	222	close_socket(sock);
	223	cm_log("Server", "Bind failure");
	224	return 1;
	225	}
	226	if(listen(sock, 128) < 0) {
	227	close_socket(sock);
	228	cm_log("Server", "Listen failure");
	229	return 1;
	230	}
	231	sockets[i] = sock;
	232	}
	233	return 0;
	234	}
[9]	235
[16]	236	size_t tw_read(SSL* ssl, int s, void* data, size_t len) {
[43]	237	#ifndef NO_SSL
[16]	238	if(ssl == NULL) {
	239	return recv(s, data, len, 0);
	240	} else {
	241	return SSL_read(ssl, data, len);
	242	}
[43]	243	#else
	244	return recv(s, data, len, 0);
	245	#endif
[16]	246	}
	247
	248	size_t tw_write(SSL* ssl, int s, void* data, size_t len) {
[43]	249	#ifndef NO_SSL
[16]	250	if(ssl == NULL) {
	251	return send(s, data, len, 0);
	252	} else {
	253	return SSL_write(ssl, data, len);
	254	}
[43]	255	#else
	256	return send(s, data, len, 0);
	257	#endif
[16]	258	}
	259
[20]	260	#define ERROR_HTML \
[18]	261	"<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n" \
	262	"<html>\n" \
	263	" <head>\n" \
[20]	264	" <title>%s</title>\n" \
[18]	265	" </head>\n" \
	266	" <body>\n" \
[20]	267	" <h1>%s</h1>\n" \
[18]	268	" <hr>\n" \
	269	" ", \
	270	address, \
	271	"\n" \
	272	" </body>\n" \
	273	"</html>\n"
	274
[32]	275	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]	276	char construct[512];
[212]	277	size_t incr;
[32]	278	if(mtime != 0 && cmtime != 0 && mtime <= cmtime) {
	279	status = "304 Not Modified";
	280	type = NULL;
	281	size = 0;
	282	headers = NULL;
	283	f = NULL;
	284	doc = NULL;
	285	}
[215]	286	#if defined(_MSC_VER) \|\| defined(__BORLANDC__)
[212]	287	sprintf(construct, "%lu", (unsigned long)size);
	288	#else
[18]	289	sprintf(construct, "%llu", (unsigned long long)size);
[212]	290	#endif
[18]	291	tw_write(ssl, sock, "HTTP/1.1 ", 9);
	292	tw_write(ssl, sock, (char*)status, strlen(status));
	293	tw_write(ssl, sock, "\r\n", 2);
[24]	294	if(type != NULL) {
	295	tw_write(ssl, sock, "Content-Type: ", 7 + 5 + 2);
	296	tw_write(ssl, sock, (char*)type, strlen(type));
	297	tw_write(ssl, sock, "\r\n", 2);
	298	}
[18]	299	tw_write(ssl, sock, "Server: ", 6 + 2);
	300	tw_write(ssl, sock, tw_server, strlen(tw_server));
	301	tw_write(ssl, sock, "\r\n", 2);
[24]	302	if(size != 0) {
	303	tw_write(ssl, sock, "Content-Length: ", 7 + 7 + 2);
	304	tw_write(ssl, sock, construct, strlen(construct));
	305	tw_write(ssl, sock, "\r\n", 2);
[32]	306	if(mtime != 0) {
	307	struct tm* tm = gmtime(&mtime);
	308	char date[513];
	309	strftime(date, 512, "%a, %d %b %Y %H:%M:%S GMT", tm);
	310	tw_write(ssl, sock, "Last-Modified: ", 5 + 8 + 2);
	311	tw_write(ssl, sock, date, strlen(date));
	312	tw_write(ssl, sock, "\r\n", 2);
	313	}
[24]	314	}
	315	if(headers != NULL) {
[212]	316	int i;
[24]	317	for(i = 0; headers[i] != NULL; i += 2) {
	318	tw_write(ssl, sock, headers[i], strlen(headers[i]));
	319	tw_write(ssl, sock, ": ", 2);
	320	tw_write(ssl, sock, headers[i + 1], strlen(headers[i + 1]));
	321	tw_write(ssl, sock, "\r\n", 2);
	322	}
	323	}
[18]	324	tw_write(ssl, sock, "\r\n", 2);
[24]	325	if(doc == NULL && f == NULL) return;
[212]	326	incr = 0;
[18]	327	while(1) {
[22]	328	if(f != NULL) {
[21]	329	char buffer[128];
	330	fread(buffer, size < 128 ? size : 128, 1, f);
	331	tw_write(ssl, sock, buffer, size < 128 ? size : 128);
[22]	332	} else {
[21]	333	tw_write(ssl, sock, (unsigned char*)doc + incr, size < 128 ? size : 128);
	334	}
[18]	335	incr += 128;
[19]	336	if(size <= 128) break;
[18]	337	size -= 128;
	338	}
	339	}
	340
[32]	341	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]	342
[18]	343	const char* tw_http_status(int code) {
[20]	344	if(code == 200) {
	345	return "200 OK";
[166]	346	} else if(code == 301) {
[167]	347	return "301 Moved Permanently";
[24]	348	} else if(code == 308) {
	349	return "308 Permanent Redirect";
[20]	350	} else if(code == 400) {
[18]	351	return "400 Bad Request";
[20]	352	} else if(code == 401) {
	353	return "401 Unauthorized";
	354	} else if(code == 403) {
	355	return "403 Forbidden";
	356	} else if(code == 404) {
	357	return "404 Not Found";
[161]	358	} else if(code == 500) {
	359	return "500 Internal Server Error";
[18]	360	} else {
	361	return "400 Bad Request";
	362	}
	363	}
	364
[123]	365	char* tw_http_default_error(int code, char* name, int port, struct tw_config_entry* vhost) {
[18]	366	char address[1024];
[212]	367	char* st;
	368	char* st2;
	369	char* buffer;
	370	char* str;
	371	int i;
[20]	372
[123]	373	if((vhost->hideport == -1 ? config.root.hideport : vhost->hideport) == 1) {
	374	sprintf(address, "<address>%s Server at %s</address>", tw_server, name, port);
	375	} else {
	376	sprintf(address, "<address>%s Server at %s Port %d</address>", tw_server, name, port);
	377	}
	378
[212]	379	st = cm_strdup(tw_http_status(code));
[20]	380	for(i = 0; st[i] != 0; i++) {
	381	if(st[i] == ' ') {
	382	st2 = cm_strdup(st + i + 1);
	383	break;
	384	}
[18]	385	}
[212]	386	buffer = malloc(4096);
	387	str = cm_strcat3(ERROR_HTML);
[20]	388	sprintf(buffer, str, st, st2);
	389	free(str);
	390	free(st);
	391	return buffer;
[18]	392	}
	393
[123]	394	void tw_http_error(SSL* ssl, int sock, int error, char* name, int port, struct tw_config_entry* vhost) {
	395	char* str = tw_http_default_error(error, name, port, vhost);
[32]	396	tw_process_page(ssl, sock, tw_http_status(error), "text/html", NULL, str, strlen(str), 0, 0);
[18]	397	free(str);
	398	}
	399
[20]	400	void addstring(char** str, const char* add, ...) {
	401	int i;
	402	char cbuf[2];
[212]	403	va_list va;
[20]	404	cbuf[1] = 0;
	405	va_start(va, add);
	406	for(i = 0; add[i] != 0; i++) {
	407	cbuf[0] = add[i];
	408	if(add[i] == '%') {
	409	i++;
	410	if(add[i] == 's') {
	411	char* tmp = *str;
	412	str = cm_strcat(tmp, va_arg(va, const char));
	413	free(tmp);
	414	} else if(add[i] == 'h') {
	415	char* h = cm_html_escape(va_arg(va, const char*));
	416	char* tmp = *str;
	417	*str = cm_strcat(tmp, h);
	418	free(tmp);
	419	free(h);
[21]	420	} else if(add[i] == 'l') {
	421	char* h = cm_url_escape(va_arg(va, const char*));
	422	char* tmp = *str;
	423	*str = cm_strcat(tmp, h);
	424	free(tmp);
	425	free(h);
[20]	426	} else if(add[i] == 'd') {
	427	int n = va_arg(va, int);
	428	char* h = malloc(512);
[212]	429	char* tmp = *str;
[20]	430	sprintf(h, "%d", n);
	431	*str = cm_strcat(tmp, h);
	432	free(tmp);
	433	free(h);
	434	} else if(add[i] == '%') {
	435	char* tmp = *str;
	436	*str = cm_strcat(tmp, "%");
	437	free(tmp);
	438	}
	439	} else {
	440	char* tmp = *str;
	441	*str = cm_strcat(tmp, cbuf);
	442	free(tmp);
	443	}
	444	}
[74]	445	va_end(va);
[20]	446	}
	447
[22]	448	char* tw_get_mime(const char* ext, struct tw_config_entry* vhost_entry) {
	449	char* mime = "application/octet-stream";
	450	bool set = false;
	451	int i;
[212]	452	if(ext == NULL) return mime;
[22]	453	for(i = 0; i < vhost_entry->mime_count; i++) {
[23]	454	if(strcmp(vhost_entry->mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(vhost_entry->mimes[i].ext, ext))) {
[22]	455	mime = vhost_entry->mimes[i].mime;
	456	set = true;
	457	}
	458	}
	459	if(!set) {
	460	for(i = 0; i < config.root.mime_count; i++) {
[23]	461	if(strcmp(config.root.mimes[i].ext, "all") == 0 \|\| (ext != NULL && tw_wildcard_match(config.root.mimes[i].ext, ext))) {
[22]	462	mime = config.root.mimes[i].mime;
	463	}
	464	}
	465	}
	466	return mime;
	467	}
	468
	469	char* tw_get_icon(const char* mime, struct tw_config_entry* vhost_entry) {
	470	char* icon = "";
	471	bool set = false;
	472	int i;
[212]	473	if(mime == NULL) return "";
[22]	474	for(i = 0; i < vhost_entry->icon_count; i++) {
[23]	475	if(strcmp(vhost_entry->icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(vhost_entry->icons[i].mime, mime))) {
[22]	476	icon = vhost_entry->icons[i].icon;
	477	set = true;
	478	}
	479	}
	480	if(!set) {
	481	for(i = 0; i < config.root.icon_count; i++) {
[23]	482	if(strcmp(config.root.icons[i].mime, "all") == 0 \|\| (mime != NULL && tw_wildcard_match(config.root.icons[i].mime, mime))) {
[22]	483	icon = config.root.icons[i].icon;
	484	}
	485	}
	486	}
	487	return icon;
	488	}
	489
[11]	490	struct pass_entry {
	491	int sock;
[12]	492	int port;
[11]	493	bool ssl;
[21]	494	SOCKADDR addr;
[11]	495	};
	496
[219]	497	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[216]	498	#define NO_RETURN_THREAD
[215]	499	void tw_server_pass(void* ptr) {
[97]	500	#elif defined(__HAIKU__)
	501	int32_t tw_server_pass(void* ptr) {
[187]	502	#elif defined(_PSP) \|\| defined(__PPU__)
[183]	503	int tw_server_pass(void* ptr) {
[105]	504	#endif
[219]	505	#if defined(__HAIKU__) \|\| defined(__MINGW32__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	506	#define FREE_PTR
[11]	507	int sock = ((struct pass_entry*)ptr)->sock;
	508	bool ssl = ((struct pass_entry*)ptr)->ssl;
[14]	509	int port = ((struct pass_entry*)ptr)->port;
[21]	510	SOCKADDR addr = ((struct pass_entry*)ptr)->addr;
[11]	511	#else
[216]	512	#define NO_RETURN_THREAD
[105]	513	void tw_server_pass(int sock, bool ssl, int port, SOCKADDR addr) {
[11]	514	#endif
[212]	515	SSL* s = NULL;
[43]	516	#ifndef NO_SSL
[12]	517	SSL_CTX* ctx = NULL;
[15]	518	bool sslworks = false;
[12]	519	if(ssl) {
	520	ctx = tw_create_ssl_ctx(port);
	521	s = SSL_new(ctx);
	522	SSL_set_fd(s, sock);
	523	if(SSL_accept(s) <= 0) goto cleanup;
[15]	524	sslworks = true;
[12]	525	}
[43]	526	#endif
[212]	527	char* name = config.hostname;
[116]	528	char address[513];
[212]	529	int ret;
	530	struct tw_http_request req;
	531	struct tw_http_response res;
	532	struct tw_tool tools;
[255]	533	char* addrstr;
	534	#ifndef NO_GETNAMEINFO
[116]	535	struct sockaddr* sa = (struct sockaddr*)&addr;
	536	getnameinfo(sa, sizeof(addr), address, 512, NULL, 0, NI_NUMERICHOST);
[315]	537	#elif defined(__NETWARE__)
	538	address[0] = 0;
[257]	539	#else
[315]	540	addrstr = inet_ntoa(addr.sin_addr);
	541	strcpy(address, addrstr);
	542	address[strlen(addrstr)] = 0;
[163]	543	#endif
[212]	544	#ifdef FREE_PTR
	545	free(ptr);
	546	#endif
[116]	547
[20]	548	res._processed = false;
	549	tw_init_tools(&tools);
[212]	550	ret = tw_http_parse(s, sock, &req);
[17]	551	if(ret == 0) {
[116]	552	char date[513];
	553	time_t t = time(NULL);
	554	struct tm* tm = localtime(&t);
[212]	555	char* useragent = cm_strdup("");
	556	int i;
	557	char* tmp;
	558	char* tmp2;
	559	char* tmp3;
	560	char* tmp4;
	561	char* tmp5;
	562	char* log;
	563	char* vhost;
	564	time_t cmtime;
	565	bool rej;
	566	char* host;
	567	int port;
[293]	568	char* chrootpath;
[212]	569	struct tw_config_entry* vhost_entry;
[116]	570	strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
	571
[117]	572	for(i = 0; req.headers[i] != NULL; i += 2) {
	573	if(cm_strcaseequ(req.headers[i], "User-Agent")) {
[116]	574	free(useragent);
	575	useragent = cm_strdup(req.headers[i + 1]);
	576	}
	577	}
	578
[212]	579	tmp = cm_strcat3(address, " - [", date);
	580	tmp2 = cm_strcat3(tmp, "] \"", req.method);
	581	tmp3 = cm_strcat3(tmp2, " ", req.path);
	582	tmp4 = cm_strcat3(tmp3, " ", req.version);
	583	tmp5 = cm_strcat3(tmp4, "\" \"", useragent);
	584	log = cm_strcat(tmp5, "\"");
[116]	585	free(tmp);
	586	free(tmp2);
	587	free(tmp3);
	588	free(tmp4);
	589	free(tmp5);
	590	free(useragent);
	591	cm_force_log(log);
	592	free(log);
	593
[212]	594	vhost = cm_strdup(config.hostname);
	595	cmtime = 0;
[70]	596	if(req.headers != NULL) {
[64]	597	for(i = 0; req.headers[i] != NULL; i += 2) {
	598	if(cm_strcaseequ(req.headers[i], "Host")) {
	599	free(vhost);
	600	vhost = cm_strdup(req.headers[i + 1]);
	601	} else if(cm_strcaseequ(req.headers[i], "If-Modified-Since")) {
	602	struct tm tm;
[212]	603	time_t t;
	604	struct tm* btm;
[64]	605	strptime(req.headers[i + 1], "%a, %d %b %Y %H:%M:%S GMT", &tm);
[304]	606	#if defined(__MINGW32__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(__ps2sdk__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__) \|\| defined(__USLC__)
[212]	607	t = 0;
	608	btm = localtime(&t);
[64]	609	cmtime = mktime(&tm);
	610	cmtime -= (btm->tm_hour * 60 + btm->tm_min) * 60;
[32]	611	#else
[140]	612	cmtime = timegm(&tm);
[32]	613	#endif
[64]	614	}
[21]	615	}
	616	}
[212]	617	rej = false;
[21]	618	cm_log("Server", "Host is %s", vhost);
[212]	619	port = s == NULL ? 80 : 443;
	620	host = cm_strdup(vhost);
[22]	621	for(i = 0; vhost[i] != 0; i++) {
	622	if(vhost[i] == ':') {
[21]	623	host[i] = 0;
	624	port = atoi(host + i + 1);
	625	break;
	626	}
	627	}
[136]	628	name = host;
[21]	629	cm_log("Server", "Hostname is `%s', port is `%d'", host, port);
[212]	630	vhost_entry = tw_vhost_match(host, port);
[161]	631	#ifdef HAS_CHROOT
[293]	632	chrootpath = vhost_entry->chroot_path != NULL ? vhost_entry->chroot_path : config.root.chroot_path;
[161]	633	if(chrootpath != NULL) {
	634	if(chdir(chrootpath) == 0) {
	635	if(chroot(".") == 0) {
	636	cm_log("Server", "Chroot successful");
	637	}
	638	} else {
	639	cm_log("Server", "chdir() failed, cannot chroot");
	640	tw_http_error(s, sock, 500, name, port, vhost_entry);
	641	rej = true;
	642	}
	643	}
	644	#endif
[20]	645	for(i = 0; i < config.module_count; i++) {
[314]	646	#ifdef __OS2__
	647	tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "MOD_REQUEST");
	648	#else
[315]	649	tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "mod_request");
[314]	650	#endif
[20]	651	if(mod_req != NULL) {
	652	int ret = mod_req(&tools, &req, &res);
	653	int co = ret & 0xff;
[141]	654	if(co == _TW_MODULE_PASS) {
	655	continue;
	656	} else if(co == _TW_MODULE_STOP) {
	657	/* Handle response here ... */
[20]	658	res._processed = true;
	659	break;
[141]	660	} else if(co == _TW_MODULE_STOP2) {
	661	res._processed = true;
	662	break;
	663	} else if(co == _TW_MODULE_ERROR) {
[123]	664	tw_http_error(s, sock, (ret & 0xffff00) >> 8, name, port, vhost_entry);
[20]	665	break;
	666	}
	667	}
	668	}
	669	if(!res._processed) {
[212]	670	char* path;
	671	char* rpath;
	672	struct stat st;
[215]	673	char* slash;
[21]	674	cm_log("Server", "Document root is %s", vhost_entry->root == NULL ? "not set" : vhost_entry->root);
[212]	675	path = cm_strcat(vhost_entry->root == NULL ? "" : vhost_entry->root, req.path);
[21]	676	cm_log("Server", "Filesystem path is %s", path);
[219]	677	#if defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[216]	678	for(i = strlen(path) - 1; i >= 0; i--) {
	679	if(path[i] == '/') {
[215]	680	path[i] = 0;
[216]	681	} else {
[215]	682	break;
	683	}
	684	}
	685	#endif
[219]	686	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	687	rpath = cm_strdup(path);
[72]	688	for(i = strlen(rpath) - 1; i >= 0; i--) {
[73]	689	if(rpath[i] == '/') {
	690	int j;
	691	for(j = i + 1; rpath[j] != 0; j++) {
	692	if(rpath[j] == ':' \|\| rpath[j] == '.') {
	693	rpath[j] = 0;
	694	break;
	695	}
	696	}
[71]	697	break;
	698	}
	699	}
[70]	700	for(i = 0; i < sizeof(reserved_names) / sizeof(reserved_names[0]); i++) {
	701	char* n = cm_strcat("/", reserved_names[i]);
[71]	702	if(cm_nocase_endswith(rpath, n)) {
[124]	703	tw_http_error(s, sock, 403, name, port, vhost_entry);
[70]	704	free(n);
	705	rej = true;
	706	cm_log("Server", "XP Patch ; rejecting access to device");
	707	break;
	708	}
	709	free(n);
	710	}
[71]	711	free(rpath);
[70]	712	#endif
	713	if(!rej && stat(path, &st) == 0) {
[22]	714	if(!tw_permission_allowed(path, addr, req, vhost_entry)) {
[123]	715	tw_http_error(s, sock, 403, name, port, vhost_entry);
[22]	716	} else if(S_ISDIR(st.st_mode)) {
[24]	717	if(req.path[strlen(req.path) - 1] != '/') {
[215]	718	char* headers[3] = {"Location", NULL, NULL};
	719	headers[1] = cm_strcat(req.path, "/");
[61]	720	cm_log("Server", "Accessing directory without the slash at the end");
[166]	721	_tw_process_page(s, sock, tw_http_status(301), NULL, NULL, NULL, 0, headers, 0, 0);
[24]	722	free(headers[1]);
	723	} else {
	724	char** indexes = vhost_entry->index_count == 0 ? config.root.indexes : vhost_entry->indexes;
	725	int index_count = vhost_entry->index_count == 0 ? config.root.index_count : vhost_entry->index_count;
	726	bool found = false;
	727	for(i = 0; i < index_count; i++) {
	728	char* p = cm_strcat3(path, "/", indexes[i]);
	729	FILE* f = fopen(p, "rb");
	730	if(f != NULL) {
	731	char* ext = NULL;
	732	int j;
[212]	733	struct stat st;
	734	char* mime;
[24]	735	for(j = strlen(p) - 1; j >= 0; j--) {
	736	if(p[j] == '.') {
	737	ext = cm_strdup(p + j);
	738	break;
	739	} else if(p[j] == '/') {
	740	break;
	741	}
[22]	742	}
[24]	743	stat(p, &st);
[212]	744	mime = tw_get_mime(ext, vhost_entry);
[32]	745	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, 0, 0);
[24]	746	fclose(f);
[74]	747	if(ext != NULL) free(ext);
[24]	748	free(p);
	749	found = true;
	750	break;
[22]	751	}
[24]	752	free(p);
	753	}
	754	if(!found) {
	755	char* str = malloc(1);
[212]	756	char** items;
	757	int readme;
	758	char** readmes;
	759	int readme_count;
	760	int hp;
[24]	761	str[0] = 0;
[212]	762	items = cm_scandir(path);
[122]	763	addstring(&str, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n");
[24]	764	addstring(&str, "<html>\n");
	765	addstring(&str, " <head>\n");
	766	addstring(&str, " <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n");
[122]	767	addstring(&str, " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n");
[24]	768	addstring(&str, " <title>Index of %h</title>\n", req.path);
	769	addstring(&str, " </head>\n");
	770	addstring(&str, " <body>\n");
	771	addstring(&str, " <h1>Index of %h</h1>\n", req.path);
	772	addstring(&str, " <hr>\n");
	773	addstring(&str, " <table border=\"0\">\n");
	774	addstring(&str, " <tr>\n");
	775	addstring(&str, " <th></th>\n");
	776	addstring(&str, " <th>Filename</th>\n");
[28]	777	addstring(&str, " <th>MIME</th>\n");
	778	addstring(&str, " <th>Size</th>\n");
[24]	779	addstring(&str, " </tr>\n");
[212]	780	readme = -1;
	781	readmes = vhost_entry->readme_count == 0 ? config.root.readmes : vhost_entry->readmes;
	782	readme_count = vhost_entry->readme_count == 0 ? config.root.readme_count : vhost_entry->readme_count;
[24]	783	if(items != NULL) {
[29]	784	int phase = 0;
	785	doit:
[24]	786	for(i = 0; items[i] != NULL; i++) {
[33]	787	int j;
[212]	788	char* ext;
	789	char* itm;
	790	char* icon;
[28]	791	char* fpth = cm_strcat3(path, "/", items[i]);
	792	struct stat s;
	793	char size[512];
[212]	794	char* showmime;
	795	char* mime;
[28]	796	size[0] = 0;
	797	stat(fpth, &s);
[29]	798	if(phase == 0 && !S_ISDIR(s.st_mode)) {
	799	free(fpth);
	800	continue;
	801	} else if(phase == 1 && S_ISDIR(s.st_mode)) {
	802	free(fpth);
	803	continue;
	804	}
[33]	805	if(readme == -1) {
	806	for(j = 0; j < readme_count; j++) {
	807	if(strcmp(items[i], readmes[j]) == 0) {
	808	readme = j;
	809	break;
	810	}
	811	}
	812	if(readme != -1) {
	813	free(fpth);
	814	continue;
	815	}
	816	}
[212]	817	if(s.st_size < NUM1024) {
[31]	818	sprintf(size, "%d", (int)s.st_size);
[212]	819	} else if(s.st_size < NUM1024 * 1024) {
[29]	820	sprintf(size, "%.1fK", (double)s.st_size / 1024);
[212]	821	} else if(s.st_size < NUM1024 * 1024 * 1024) {
[29]	822	sprintf(size, "%.1fM", (double)s.st_size / 1024 / 1024);
[212]	823	} else if(s.st_size < NUM1024 * 1024 * 1024 * 1024) {
[29]	824	sprintf(size, "%.1fG", (double)s.st_size / 1024 / 1024 / 1024);
[212]	825	} else if(s.st_size < NUM1024 * 1024 * 1024 * 1024 * 1024) {
[29]	826	sprintf(size, "%.1fT", (double)s.st_size / 1024 / 1024 / 1024 / 1024);
[28]	827	}
	828
	829	free(fpth);
	830
[212]	831	ext = NULL;
[24]	832	for(j = strlen(items[i]) - 1; j >= 0; j--) {
	833	if(items[i][j] == '.') {
	834	ext = cm_strdup(items[i] + j);
	835	break;
	836	} else if(items[i][j] == '/') {
	837	break;
	838	}
	839	}
[212]	840	showmime = "";
	841	mime = tw_get_mime(ext, vhost_entry);
[24]	842	if(strcmp(items[i], "../") == 0) {
	843	mime = "misc/parent";
[29]	844	size[0] = 0;
[24]	845	} else if(items[i][strlen(items[i]) - 1] == '/') {
	846	mime = "misc/dir";
[29]	847	size[0] = 0;
	848	} else {
[28]	849	showmime = mime;
[24]	850	}
[212]	851	icon = tw_get_icon(mime, vhost_entry);
[24]	852	if(ext != NULL) free(ext);
[212]	853	itm = cm_strdup(items[i]);
[24]	854	if(strlen(itm) >= 32) {
	855	if(itm[strlen(itm) - 1] == '/') {
	856	itm[31] = 0;
	857	itm[30] = '/';
	858	itm[29] = '.';
	859	itm[28] = '.';
	860	itm[27] = '.';
	861	} else {
	862	itm[31] = 0;
	863	itm[30] = '.';
	864	itm[29] = '.';
	865	itm[28] = '.';
	866	}
	867	}
	868	addstring(&str, "<tr>\n");
	869	addstring(&str, " <td><img src=\"%s\" alt=\"icon\"></td>\n", icon);
	870	addstring(&str, " <td><a href=\"%l\"><code>%h</code></a></td>\n", items[i], itm);
[60]	871	addstring(&str, " <td><code> %h </code></td>\n", showmime);
	872	addstring(&str, " <td><code> %s </code></td>\n", size);
[24]	873	addstring(&str, "</tr>\n");
	874	free(itm);
[22]	875	}
[29]	876	phase++;
	877	if(phase != 2) goto doit;
	878	for(i = 0; items[i] != NULL; i++) free(items[i]);
	879	free(items);
[22]	880	}
[24]	881	addstring(&str, " </table>\n");
[33]	882	if(readme != -1) {
[212]	883	struct stat s;
	884	FILE* fr;
	885	char* fpth;
[33]	886	addstring(&str, "<hr>\n");
[212]	887	fpth = cm_strcat3(path, "/", readmes[readme]);
[33]	888	stat(fpth, &s);
[212]	889	fr = fopen(fpth, "r");
[33]	890	if(fr != NULL) {
	891	char* rmbuf = malloc(s.st_size + 1);
	892	rmbuf[s.st_size] = 0;
	893	fread(rmbuf, s.st_size, 1, fr);
	894	addstring(&str, "<pre><code>%h</code></pre>\n", rmbuf);
	895	fclose(fr);
[70]	896	free(rmbuf);
[33]	897	}
[66]	898	free(fpth);
[33]	899	}
[24]	900	addstring(&str, " <hr>\n");
[212]	901	hp = vhost_entry->hideport == -1 ? config.root.hideport : vhost_entry->hideport;
[123]	902	if(hp == 0) {
	903	addstring(&str, " <address>%s Server at %s Port %d</address>\n", tw_server, name, port);
	904	} else {
	905	addstring(&str, " <address>%s Server at %s</address>\n", tw_server, name, port);
	906	}
[24]	907	addstring(&str, " </body>\n");
	908	addstring(&str, "</html>\n");
[32]	909	tw_process_page(s, sock, tw_http_status(200), "text/html", NULL, str, strlen(str), 0, 0);
[24]	910	free(str);
[21]	911	}
	912	}
[22]	913	} else {
[21]	914	char* ext = NULL;
[212]	915	char* mime;
	916	FILE* f;
[22]	917	for(i = strlen(req.path) - 1; i >= 0; i--) {
	918	if(req.path[i] == '.') {
[21]	919	ext = cm_strdup(req.path + i);
	920	break;
[24]	921	} else if(req.path[i] == '/') {
	922	break;
[21]	923	}
	924	}
[212]	925	mime = tw_get_mime(ext, vhost_entry);
[21]	926	if(ext != NULL) free(ext);
[212]	927	f = fopen(path, "rb");
[173]	928	if(f == NULL) {
	929	tw_http_error(s, sock, 403, name, port, vhost_entry);
	930	} else {
	931	tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, st.st_mtime, cmtime);
	932	fclose(f);
	933	}
[21]	934	}
[22]	935	} else {
[161]	936	if(!rej) {
	937	tw_http_error(s, sock, 404, name, port, vhost_entry);
	938	}
[21]	939	}
	940	free(path);
[20]	941	}
[21]	942	free(vhost);
	943	free(host);
[22]	944	} else if(ret == -1) {
[18]	945	} else {
[123]	946	tw_http_error(s, sock, 400, name, port, &config.root);
[17]	947	}
[70]	948	tw_free_request(&req);
[12]	949	cleanup:
[43]	950	#ifndef NO_SSL
[16]	951	if(sslworks) {
[15]	952	SSL_shutdown(s);
	953	}
	954	SSL_free(s);
[46]	955	#endif
[11]	956	close_socket(sock);
[219]	957	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[315]	958	#ifdef __NETWARE__
	959	ExitThread(EXIT_THREAD, 0);
	960	#else
[216]	961	_endthread();
[315]	962	#endif
[100]	963	#elif defined(__HAIKU__)
[105]	964	exit_thread(0);
[11]	965	#endif
[216]	966	#ifndef NO_RETURN_THREAD
[214]	967	return 0;
[215]	968	#endif
[11]	969	}
	970
[62]	971	#ifdef SERVICE
	972	extern SERVICE_STATUS status;
	973	extern SERVICE_STATUS_HANDLE status_handle;
	974	#endif
	975
[219]	976	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[65]	977	struct thread_entry {
[101]	978	#ifdef __HAIKU__
	979	thread_id thread;
[315]	980	#elif defined(__NETWARE__)
	981	int thread;
[101]	982	#else
[65]	983	HANDLE handle;
[101]	984	#endif
[65]	985	bool used;
	986	};
	987	#endif
	988
[183]	989	extern int running;
	990
[11]	991	void tw_server_loop(void) {
[68]	992	int i;
[212]	993	#ifndef USE_POLL
[213]	994	fd_set fdset;
	995	struct timeval tv;
[212]	996	#endif
[219]	997	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[65]	998	struct thread_entry threads[2048];
[70]	999	for(i = 0; i < sizeof(threads) / sizeof(threads[0]); i++) {
[65]	1000	threads[i].used = false;
	1001	}
	1002	#endif
[118]	1003	#ifdef USE_POLL
[302]	1004	struct pollfd* pollfds = malloc(sizeof(pollfds) sockcount);
[118]	1005	for(i = 0; i < sockcount; i++) {
	1006	pollfds[i].fd = sockets[i];
	1007	pollfds[i].events = POLLIN \| POLLPRI;
	1008	}
	1009	#endif
[183]	1010	while(running) {
[212]	1011	int ret;
[118]	1012	#ifdef USE_POLL
[212]	1013	ret = poll(pollfds, sockcount, 1000);
[118]	1014	#else
	1015	FD_ZERO(&fdset);
	1016	for(i = 0; i < sockcount; i++) {
	1017	FD_SET(sockets[i], &fdset);
	1018	}
	1019	tv.tv_sec = 1;
	1020	tv.tv_usec = 0;
[86]	1021	#ifdef __HAIKU__
[212]	1022	ret = select(32, &fdset, NULL, NULL, &tv);
[86]	1023	#else
[212]	1024	ret = select(FD_SETSIZE, &fdset, NULL, NULL, &tv);
[86]	1025	#endif
[118]	1026	#endif
[11]	1027	if(ret == -1) {
[219]	1028	#if !defined(__MINGW32__) && !defined(_MSC_VER) && !defined(__BORLANDC__) && !defined(__WATCOMC__)
[296]	1029	if(errno == EINTR) continue;
[84]	1030	cm_log("Server", "Select failure: %s", strerror(errno));
	1031	#endif
[9]	1032	break;
[70]	1033	} else if(ret == 0) {
[62]	1034	#ifdef SERVICE
[70]	1035	if(status.dwCurrentState == SERVICE_STOP_PENDING) {
[62]	1036	break;
	1037	}
	1038	#endif
[11]	1039	} else if(ret > 0) {
[9]	1040	/* connection */
	1041	int i;
[11]	1042	for(i = 0; i < sockcount; i++) {
[118]	1043	bool cond;
	1044	#ifdef USE_POLL
	1045	cond = pollfds[i].revents & POLLIN;
	1046	#else
	1047	cond = FD_ISSET(sockets[i], &fdset);
	1048	#endif
	1049	if(cond) {
[9]	1050	SOCKADDR claddr;
[182]	1051	socklen_t clen = sizeof(claddr);
[9]	1052	int sock = accept(sockets[i], (struct sockaddr*)&claddr, &clen);
[219]	1053	#if defined(__MINGW32__) \|\| defined(__HAIKU__) \|\| defined(_PSP) \|\| defined(__PPU__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[212]	1054	int j;
	1055	struct pass_entry* e = malloc(sizeof(*e));
[12]	1056	cm_log("Server", "New connection accepted");
[11]	1057	e->sock = sock;
[215]	1058	#if defined(_MSC_VER) \|\| defined(__BORLANDC__)
[212]	1059	e->ssl = config.ports[i] & (1UL << 31);
	1060	#else
	1061	e->ssl = config.ports[i] & (1ULL << 31);
	1062	#endif
[12]	1063	e->port = config.ports[i];
[21]	1064	e->addr = claddr;
[97]	1065	#endif
[219]	1066	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| defined(__WATCOMC__)
[312]	1067	#ifdef __OS2__
	1068	_beginthread(tw_server_pass, 0, 0, e);
[315]	1069	#elif defined(__NETWARE__)
	1070	BeginThread(tw_server_pass, 0, 0, e);
[312]	1071	#else
[212]	1072	_beginthread(tw_server_pass, 0, e);
[312]	1073	#endif
[187]	1074	#elif defined(_PSP) \|\| defined(__PPU__)
[183]	1075	tw_server_pass(e);
[97]	1076	#elif defined(__HAIKU__)
[183]	1077	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	1078	if(threads[j].used) {
	1079	thread_info info;
	1080	bool kill = false;
	1081	if(get_thread_info(threads[j].thread, &info) == B_OK) {
	1082	} else {
	1083	kill = true;
[101]	1084	}
[183]	1085	if(kill) {
	1086	threads[j].used = false;
[101]	1087	}
	1088	}
[183]	1089	}
	1090	for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
	1091	if(!threads[j].used) {
	1092	threads[j].thread = spawn_thread(tw_server_pass, "Tewi HTTPd", 60, e);
	1093	threads[j].used = true;
	1094	resume_thread(threads[j].thread);
	1095	break;
	1096	}
	1097	}
[11]	1098	#else
	1099	pid_t pid = fork();
	1100	if(pid == 0) {
[89]	1101	int j;
	1102	for(j = 0; j < sockcount; j++) close_socket(sockets[j]);
[212]	1103	tw_server_pass(sock, config.ports[i] & (1ULL << 31), config.ports[i], claddr);
[11]	1104	_exit(0);
	1105	} else {
	1106	close_socket(sock);
	1107	}
	1108	#endif
[9]	1109	}
	1110	}
	1111	}
	1112	}
[255]	1113	for(i = 0; i < sockcount; i++) {
[253]	1114	close_socket(sockets[i]);
	1115	}
	1116	cm_force_log("Server is down");
[9]	1117	}

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source: Main/trunk/Server/server.c@ 333

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