[rsync/rsync.git] / clientserver.c

/* 
   Copyright (C) Andrew Tridgell 1998
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

/* the socket based protocol for setting up a connection wit rsyncd */

#include "rsync.h"

extern int module_id;
extern int read_only;
extern int verbose;
extern int rsync_port;

int start_socket_client(char *host, char *path, int argc, char *argv[])
{
	int fd, i;
	char *sargs[MAX_ARGS];
	int sargc=0;
	char line[MAXPATHLEN];
	char *p, *user=NULL;
	extern int remote_version;
	extern int am_client;
	extern int am_sender;

	p = strchr(host, '@');
	if (p) {
		user = host;
		host = p+1;
		*p = 0;
	}

	if (!user) user = getenv("USER");
	if (!user) user = getenv("LOGNAME");

	am_client = 1;

	fd = open_socket_out(host, rsync_port);
	if (fd == -1) {
		exit_cleanup(1);
	}
	
	server_options(sargs,&sargc);

	sargs[sargc++] = ".";

	if (path && *path) 
		sargs[sargc++] = path;

	sargs[sargc] = NULL;

	io_printf(fd,"@RSYNCD: %d\n", PROTOCOL_VERSION);

	if (!read_line(fd, line, sizeof(line)-1)) {
		return -1;
	}

	if (sscanf(line,"@RSYNCD: %d", &remote_version) != 1) {
		return -1;
	}

	p = strchr(path,'/');
	if (p) *p = 0;
	io_printf(fd,"%s\n",path);
	if (p) *p = '/';

	while (1) {
		if (!read_line(fd, line, sizeof(line)-1)) {
			return -1;
		}

		if (strncmp(line,"@RSYNCD: AUTHREQD ",18) == 0) {
			auth_client(fd, user, line+18);
			continue;
		}

		if (strcmp(line,"@RSYNCD: OK") == 0) break;
		rprintf(FINFO,"%s\n", line);
	}

	for (i=0;i<sargc;i++) {
		io_printf(fd,"%s\n", sargs[i]);
	}
	io_printf(fd,"\n");

	if (remote_version > 17 && !am_sender)
		io_start_multiplex_in(fd);

	return client_run(fd, fd, -1, argc, argv);
}


static int rsync_module(int fd, int i)
{
	int argc=0;
	char *argv[MAX_ARGS];
	char **argp;
	char line[MAXPATHLEN];
	uid_t uid = (uid_t)-2;
	gid_t gid = (gid_t)-2;
	char *p;
	char *addr = client_addr(fd);
	char *host = client_name(fd);
	char *name = lp_name(i);
	char *user;
	int start_glob=0;
	int ret;
	char *request=NULL;
	extern int am_sender;
	extern int remote_version;
	extern int am_root;

	if (!allow_access(addr, host, lp_hosts_allow(i), lp_hosts_deny(i))) {
		rprintf(FERROR,"rsync denied on module %s from %s (%s)\n",
			name, client_name(fd), client_addr(fd));
		io_printf(fd,"@ERROR: access denied to %s from %s (%s)\n",
			  name, client_name(fd), client_addr(fd));
		return -1;
	}

	if (!claim_connection(lp_lock_file(), lp_max_connections())) {
		if (errno) {
			rprintf(FERROR,"failed to open lock file %s : %s\n",
				lp_lock_file(), strerror(errno));
			io_printf(fd,"@ERROR: failed to open lock file %s : %s\n",
				  lp_lock_file(), strerror(errno));
		} else {
			rprintf(FERROR,"max connections (%d) reached\n",
				lp_max_connections());
			io_printf(fd,"@ERROR: max connections (%d) reached - try again later\n", lp_max_connections());
		}
		return -1;
	}

	
	user = auth_server(fd, i, addr, "@RSYNCD: AUTHREQD ");

	if (!user) {
		rprintf(FERROR,"auth failed on module %s from %s (%s)\n",
			name, client_name(fd), client_addr(fd));
		io_printf(fd,"@ERROR: auth failed on module %s\n",name);
		return -1;		
	}

	module_id = i;

	if (lp_read_only(i))
		read_only = 1;

	p = lp_uid(i);
	if (!name_to_uid(p, &uid)) {
		if (!isdigit(*p)) {
			rprintf(FERROR,"Invalid uid %s\n", p);
			io_printf(fd,"@ERROR: invalid uid\n");
			return -1;
		} 
		uid = atoi(p);
	}

	p = lp_gid(i);
	if (!name_to_gid(p, &gid)) {
		if (!isdigit(*p)) {
			rprintf(FERROR,"Invalid gid %s\n", p);
			io_printf(fd,"@ERROR: invalid gid\n");
			return -1;
		} 
		gid = atoi(p);
	}

	p = lp_exclude_from(i);
	add_exclude_file(p, 1, 0);

	p = lp_exclude(i);
	add_exclude_line(p);

	log_open();

	if (chroot(lp_path(i))) {
		rprintf(FERROR,"chroot %s failed\n", lp_path(i));
		io_printf(fd,"@ERROR: chroot failed\n");
		return -1;
	}

	if (chdir("/")) {
		rprintf(FERROR,"chdir %s failed\n", lp_path(i));
		io_printf(fd,"@ERROR: chdir failed\n");
		return -1;
	}

	if (setgid(gid) || getgid() != gid) {
		rprintf(FERROR,"setgid %d failed\n", gid);
		io_printf(fd,"@ERROR: setgid failed\n");
		return -1;
	}

	if (setuid(uid) || getuid() != uid) {
		rprintf(FERROR,"setuid %d failed\n", uid);
		io_printf(fd,"@ERROR: setuid failed\n");
		return -1;
	}

	am_root = (getuid() == 0);

	io_printf(fd,"@RSYNCD: OK\n");

	argv[argc++] = "rsyncd";

	while (1) {
		if (!read_line(fd, line, sizeof(line)-1)) {
			return -1;
		}

		if (!*line) break;

		p = line;

		argv[argc] = strdup(p);
		if (!argv[argc]) {
			return -1;
		}

		if (start_glob) {
			if (start_glob == 1) {
				request = strdup(p);
				start_glob++;
			}
			glob_expand(name, argv, &argc, MAX_ARGS);
		} else {
			argc++;
		}

		if (strcmp(line,".") == 0) {
			start_glob = 1;
		}

		if (argc == MAX_ARGS) {
			return -1;
		}
	}

	ret = parse_arguments(argc, argv);

	if (request) {
		if (*user) {
			rprintf(FINFO,"rsync %s %s from %s@%s (%s)\n",
				am_sender?"on":"to",
				request, user, host, addr);
		} else {
			rprintf(FINFO,"rsync %s %s from %s (%s)\n",
				am_sender?"on":"to",
				request, host, addr);
		}
		free(request);
	}

#if !TRIDGE
	/* don't allow the logs to be flooded too fast */
	if (verbose > 1) verbose = 1;
#endif

	argc -= optind;
	argp = argv + optind;
	optind = 0;

	if (remote_version > 17 && am_sender)
		io_start_multiplex_out(fd);

	if (!ret) {
		rprintf(FERROR,"Error parsing options (unsupported option?) - aborting\n");
		exit_cleanup(1);
	}

	start_server(fd, fd, argc, argp);

	return 0;
}

/* send a list of available modules to the client. Don't list those
   with "list = False". */
static void send_listing(int fd)
{
	int n = lp_numservices();
	int i;
	
	for (i=0;i<n;i++)
		if (lp_list(i))
		    io_printf(fd, "%-15s\t%s\n", lp_name(i), lp_comment(i));
}

/* this is called when a socket connection is established to a client
   and we want to start talking. The setup of the system is done from
   here */
static int start_daemon(int fd)
{
	char line[200];
	char *motd;
	int i = -1;
	extern char *config_file;
	extern int remote_version;

	if (!lp_load(config_file, 0)) {
		exit_cleanup(1);
	}

	set_socket_options(fd,"SO_KEEPALIVE");
	set_socket_options(fd,lp_socket_options());
	

	io_printf(fd,"@RSYNCD: %d\n", PROTOCOL_VERSION);

	motd = lp_motd_file();
	if (*motd) {
		FILE *f = fopen(motd,"r");
		while (f && !feof(f)) {
			int len = fread(line, 1, sizeof(line)-1, f);
			if (len > 0) {
				line[len] = 0;
				io_printf(fd,"%s", line);
			}
		}
		if (f) fclose(f);
		io_printf(fd,"\n");
	}

	if (!read_line(fd, line, sizeof(line)-1)) {
		return -1;
	}

	if (sscanf(line,"@RSYNCD: %d", &remote_version) != 1) {
		io_printf(fd,"@ERROR: protocol startup error\n");
		return -1;
	}	

	while (i == -1) {
		line[0] = 0;
		if (!read_line(fd, line, sizeof(line)-1)) {
			return -1;
		}

		if (!*line || strcmp(line,"#list")==0) {
			send_listing(fd);
			return -1;
		} 

		if (*line == '#') {
			/* it's some sort of command that I don't understand */
			io_printf(fd,"@ERROR: Unknown command '%s'\n", line);
			return -1;
		}

		i = lp_number(line);
		if (i == -1) {
			io_printf(fd,"@ERROR: Unknown module '%s'\n", line);
			return -1;
		}
	}

	return rsync_module(fd, i);
}


int daemon_main(void)
{
	extern char *config_file;

	/* this ensures that we don't call getcwd after the chroot,
           which doesn't work on platforms that use popen("pwd","r")
           for getcwd */
	push_dir("/", 0);

	if (is_a_socket(STDIN_FILENO)) {
		int i;

		/* we are running via inetd - close off stdout and
		   stderr so that library functions (and getopt) don't
		   try to use them. Redirect them to /dev/null */
		for (i=1;i<3;i++) {
			close(i); 
			open("/dev/null", O_RDWR);
		}
		return start_daemon(STDIN_FILENO);
	}

	become_daemon();

	if (!lp_load(config_file, 1)) {
		fprintf(stderr,"failed to load config file %s\n", config_file);
		exit_cleanup(1);
	}

	log_open();

	rprintf(FINFO,"rsyncd version %s starting\n",VERSION);

	start_accept_loop(rsync_port, start_daemon);
	return -1;
}
Commit	Line	Data
3591c066 AT	1	/*
	2	Copyright (C) Andrew Tridgell 1998
	3
	4	This program is free software; you can redistribute it and/or modify
	5	it under the terms of the GNU General Public License as published by
	6	the Free Software Foundation; either version 2 of the License, or
	7	(at your option) any later version.
	8
	9	This program is distributed in the hope that it will be useful,
	10	but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	GNU General Public License for more details.
	13
	14	You should have received a copy of the GNU General Public License
	15	along with this program; if not, write to the Free Software
	16	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	17	*/
	18
	19	/* the socket based protocol for setting up a connection wit rsyncd */
	20
	21	#include "rsync.h"
	22
	23	extern int module_id;
	24	extern int read_only;
	25	extern int verbose;
	26	extern int rsync_port;
	27
	28	int start_socket_client(char host, char path, int argc, char *argv[])
	29	{
	30	int fd, i;
	31	char *sargs[MAX_ARGS];
	32	int sargc=0;
e42c9458	33	char line[MAXPATHLEN];
bcb7e502	34	char p, user=NULL;
13c5fc0e	35	extern int remote_version;
8d9dc9f9 AT	36	extern int am_client;
8d9dc9f9 AT	37	extern int am_sender;
3591c066	38
bcb7e502 AT	39	p = strchr(host, '@');
	40	if (p) {
	41	user = host;
	42	host = p+1;
	43	*p = 0;
	44	}
	45
	46	if (!user) user = getenv("USER");
	47	if (!user) user = getenv("LOGNAME");
	48
8d9dc9f9 AT	49	am_client = 1;
8d9dc9f9 AT	50
3591c066 AT	51	fd = open_socket_out(host, rsync_port);
	52	if (fd == -1) {
	53	exit_cleanup(1);
	54	}
	55
	56	server_options(sargs,&sargc);
	57
	58	sargs[sargc++] = ".";
	59
	60	if (path && *path)
	61	sargs[sargc++] = path;
	62
	63	sargs[sargc] = NULL;
	64
91eee594 AT	65	io_printf(fd,"@RSYNCD: %d\n", PROTOCOL_VERSION);
91eee594 AT	66
3591c066 AT	67	if (!read_line(fd, line, sizeof(line)-1)) {
	68	return -1;
	69	}
	70
13c5fc0e	71	if (sscanf(line,"@RSYNCD: %d", &remote_version) != 1) {
3591c066 AT	72	return -1;
	73	}
	74
2c91d3d3 AT	75	p = strchr(path,'/');
	76	if (p) *p = 0;
	77	io_printf(fd,"%s\n",path);
	78	if (p) *p = '/';
	79
3591c066 AT	80	while (1) {
	81	if (!read_line(fd, line, sizeof(line)-1)) {
	82	return -1;
	83	}
31593dd6	84
31593dd6	85	if (strncmp(line,"@RSYNCD: AUTHREQD ",18) == 0) {
bcb7e502	86	auth_client(fd, user, line+18);
31593dd6 AT	87	continue;
31593dd6 AT	88	}
31593dd6	89
3591c066 AT	90	if (strcmp(line,"@RSYNCD: OK") == 0) break;
	91	rprintf(FINFO,"%s\n", line);
	92	}
	93
	94	for (i=0;i<sargc;i++) {
	95	io_printf(fd,"%s\n", sargs[i]);
	96	}
	97	io_printf(fd,"\n");
	98
8d9dc9f9 AT	99	if (remote_version > 17 && !am_sender)
	100	io_start_multiplex_in(fd);
	101
3591c066 AT	102	return client_run(fd, fd, -1, argc, argv);
	103	}
	104
	105
	106
	107	static int rsync_module(int fd, int i)
	108	{
	109	int argc=0;
	110	char *argv[MAX_ARGS];
	111	char **argp;
e42c9458	112	char line[MAXPATHLEN];
1a016bfd AT	113	uid_t uid = (uid_t)-2;
1a016bfd AT	114	gid_t gid = (gid_t)-2;
8ef4ffd6	115	char *p;
56c473b7 AT	116	char *addr = client_addr(fd);
56c473b7 AT	117	char *host = client_name(fd);
874895d5	118	char *name = lp_name(i);
d0d56395	119	char *user;
874895d5	120	int start_glob=0;
41979ff8	121	int ret;
7b372642 AT	122	char *request=NULL;
7b372642 AT	123	extern int am_sender;
8d9dc9f9	124	extern int remote_version;
943882a2	125	extern int am_root;
56c473b7 AT	126
	127	if (!allow_access(addr, host, lp_hosts_allow(i), lp_hosts_deny(i))) {
	128	rprintf(FERROR,"rsync denied on module %s from %s (%s)\n",
874895d5	129	name, client_name(fd), client_addr(fd));
c8e78d87	130	io_printf(fd,"@ERROR: access denied to %s from %s (%s)\n",
874895d5	131	name, client_name(fd), client_addr(fd));
56c473b7 AT	132	return -1;
56c473b7 AT	133	}
3591c066	134
0c515f17	135	if (!claim_connection(lp_lock_file(), lp_max_connections())) {
8d72ef6e AT	136	if (errno) {
	137	rprintf(FERROR,"failed to open lock file %s : %s\n",
	138	lp_lock_file(), strerror(errno));
	139	io_printf(fd,"@ERROR: failed to open lock file %s : %s\n",
	140	lp_lock_file(), strerror(errno));
	141	} else {
	142	rprintf(FERROR,"max connections (%d) reached\n",
	143	lp_max_connections());
	144	io_printf(fd,"@ERROR: max connections (%d) reached - try again later\n", lp_max_connections());
	145	}
0c515f17 AT	146	return -1;
	147	}
	148
31593dd6	149
d0d56395 AT	150	user = auth_server(fd, i, addr, "@RSYNCD: AUTHREQD ");
	151
	152	if (!user) {
	153	rprintf(FERROR,"auth failed on module %s from %s (%s)\n",
	154	name, client_name(fd), client_addr(fd));
	155	io_printf(fd,"@ERROR: auth failed on module %s\n",name);
	156	return -1;
	157	}
	158
3591c066 AT	159	module_id = i;
	160
	161	if (lp_read_only(i))
	162	read_only = 1;
	163
8ef4ffd6 AT	164	p = lp_uid(i);
	165	if (!name_to_uid(p, &uid)) {
	166	if (!isdigit(*p)) {
	167	rprintf(FERROR,"Invalid uid %s\n", p);
c8e78d87	168	io_printf(fd,"@ERROR: invalid uid\n");
8ef4ffd6 AT	169	return -1;
	170	}
	171	uid = atoi(p);
	172	}
	173
	174	p = lp_gid(i);
	175	if (!name_to_gid(p, &gid)) {
	176	if (!isdigit(*p)) {
	177	rprintf(FERROR,"Invalid gid %s\n", p);
c8e78d87	178	io_printf(fd,"@ERROR: invalid gid\n");
8ef4ffd6 AT	179	return -1;
	180	}
	181	gid = atoi(p);
	182	}
	183
8f3a2d54	184	p = lp_exclude_from(i);
2b6b4d53	185	add_exclude_file(p, 1, 0);
8f3a2d54	186
5805327b	187	p = lp_exclude(i);
8f3a2d54 AT	188	add_exclude_line(p);
8f3a2d54 AT	189
1a016bfd AT	190	log_open();
1a016bfd AT	191
3591c066	192	if (chroot(lp_path(i))) {
1a016bfd	193	rprintf(FERROR,"chroot %s failed\n", lp_path(i));
3591c066 AT	194	io_printf(fd,"@ERROR: chroot failed\n");
	195	return -1;
	196	}
	197
	198	if (chdir("/")) {
1a016bfd	199	rprintf(FERROR,"chdir %s failed\n", lp_path(i));
3591c066 AT	200	io_printf(fd,"@ERROR: chdir failed\n");
	201	return -1;
	202	}
	203
1a016bfd AT	204	if (setgid(gid) \|\| getgid() != gid) {
1a016bfd AT	205	rprintf(FERROR,"setgid %d failed\n", gid);
3591c066 AT	206	io_printf(fd,"@ERROR: setgid failed\n");
	207	return -1;
	208	}
	209
1a016bfd AT	210	if (setuid(uid) \|\| getuid() != uid) {
1a016bfd AT	211	rprintf(FERROR,"setuid %d failed\n", uid);
3591c066 AT	212	io_printf(fd,"@ERROR: setuid failed\n");
	213	return -1;
	214	}
	215
943882a2 AT	216	am_root = (getuid() == 0);
943882a2 AT	217
3591c066 AT	218	io_printf(fd,"@RSYNCD: OK\n");
	219
	220	argv[argc++] = "rsyncd";
	221
	222	while (1) {
	223	if (!read_line(fd, line, sizeof(line)-1)) {
	224	return -1;
	225	}
	226
	227	if (!*line) break;
	228
874895d5 AT	229	p = line;
874895d5 AT	230
874895d5	231	argv[argc] = strdup(p);
3591c066 AT	232	if (!argv[argc]) {
	233	return -1;
	234	}
	235
874895d5	236	if (start_glob) {
1a016bfd	237	if (start_glob == 1) {
7b372642	238	request = strdup(p);
1a016bfd AT	239	start_glob++;
1a016bfd AT	240	}
087bf010	241	glob_expand(name, argv, &argc, MAX_ARGS);
874895d5 AT	242	} else {
	243	argc++;
	244	}
	245
	246	if (strcmp(line,".") == 0) {
	247	start_glob = 1;
	248	}
	249
3591c066 AT	250	if (argc == MAX_ARGS) {
	251	return -1;
	252	}
	253	}
	254
41979ff8	255	ret = parse_arguments(argc, argv);
3591c066	256
7b372642	257	if (request) {
d0d56395 AT	258	if (*user) {
	259	rprintf(FINFO,"rsync %s %s from %s@%s (%s)\n",
	260	am_sender?"on":"to",
	261	request, user, host, addr);
	262	} else {
	263	rprintf(FINFO,"rsync %s %s from %s (%s)\n",
	264	am_sender?"on":"to",
	265	request, host, addr);
	266	}
7b372642 AT	267	free(request);
	268	}
	269
0199b05f	270	#if !TRIDGE
3591c066 AT	271	/* don't allow the logs to be flooded too fast */
3591c066 AT	272	if (verbose > 1) verbose = 1;
0199b05f	273	#endif
3591c066 AT	274
	275	argc -= optind;
	276	argp = argv + optind;
	277	optind = 0;
	278
8d9dc9f9 AT	279	if (remote_version > 17 && am_sender)
	280	io_start_multiplex_out(fd);
	281
41979ff8 AT	282	if (!ret) {
	283	rprintf(FERROR,"Error parsing options (unsupported option?) - aborting\n");
	284	exit_cleanup(1);
	285	}
	286
3591c066 AT	287	start_server(fd, fd, argc, argp);
	288
	289	return 0;
	290	}
	291
7a6421fa AT	292	/* send a list of available modules to the client. Don't list those
7a6421fa AT	293	with "list = False". */
3591c066 AT	294	static void send_listing(int fd)
	295	{
	296	int n = lp_numservices();
	297	int i;
	298
	299	for (i=0;i<n;i++)
	300	if (lp_list(i))
	301	io_printf(fd, "%-15s\t%s\n", lp_name(i), lp_comment(i));
	302	}
	303
	304	/* this is called when a socket connection is established to a client
	305	and we want to start talking. The setup of the system is done from
	306	here */
	307	static int start_daemon(int fd)
	308	{
7a6421fa	309	char line[200];
3591c066	310	char *motd;
8ef4ffd6	311	int i = -1;
4cdf25e4	312	extern char *config_file;
13c5fc0e	313	extern int remote_version;
4cdf25e4	314
f9e940ef	315	if (!lp_load(config_file, 0)) {
4cdf25e4 AT	316	exit_cleanup(1);
4cdf25e4 AT	317	}
3591c066 AT	318
3591c066 AT	319	set_socket_options(fd,"SO_KEEPALIVE");
a6801c39 AT	320	set_socket_options(fd,lp_socket_options());
a6801c39 AT	321
3591c066 AT	322
	323	io_printf(fd,"@RSYNCD: %d\n", PROTOCOL_VERSION);
	324
	325	motd = lp_motd_file();
	326	if (*motd) {
	327	FILE *f = fopen(motd,"r");
	328	while (f && !feof(f)) {
	329	int len = fread(line, 1, sizeof(line)-1, f);
	330	if (len > 0) {
	331	line[len] = 0;
	332	io_printf(fd,"%s", line);
	333	}
	334	}
	335	if (f) fclose(f);
	336	io_printf(fd,"\n");
	337	}
	338
91eee594 AT	339	if (!read_line(fd, line, sizeof(line)-1)) {
	340	return -1;
	341	}
	342
	343	if (sscanf(line,"@RSYNCD: %d", &remote_version) != 1) {
c8e78d87	344	io_printf(fd,"@ERROR: protocol startup error\n");
91eee594 AT	345	return -1;
	346	}
	347
8ef4ffd6	348	while (i == -1) {
3591c066 AT	349	line[0] = 0;
	350	if (!read_line(fd, line, sizeof(line)-1)) {
	351	return -1;
	352	}
	353
	354	if (!*line \|\| strcmp(line,"#list")==0) {
	355	send_listing(fd);
	356	return -1;
	357	}
	358
	359	if (*line == '#') {
	360	/* it's some sort of command that I don't understand */
c8e78d87	361	io_printf(fd,"@ERROR: Unknown command '%s'\n", line);
3591c066 AT	362	return -1;
	363	}
	364
	365	i = lp_number(line);
	366	if (i == -1) {
c8e78d87	367	io_printf(fd,"@ERROR: Unknown module '%s'\n", line);
3591c066 AT	368	return -1;
3591c066 AT	369	}
3591c066 AT	370	}
3591c066 AT	371
8ef4ffd6	372	return rsync_module(fd, i);
3591c066 AT	373	}
	374
	375
	376	int daemon_main(void)
	377	{
f9e940ef	378	extern char *config_file;
1a016bfd	379
5243c216 AT	380	/* this ensures that we don't call getcwd after the chroot,
	381	which doesn't work on platforms that use popen("pwd","r")
	382	for getcwd */
	383	push_dir("/", 0);
	384
3591c066	385	if (is_a_socket(STDIN_FILENO)) {
41979ff8 AT	386	int i;
	387
	388	/* we are running via inetd - close off stdout and
	389	stderr so that library functions (and getopt) don't
	390	try to use them. Redirect them to /dev/null */
	391	for (i=1;i<3;i++) {
	392	close(i);
	393	open("/dev/null", O_RDWR);
	394	}
3591c066 AT	395	return start_daemon(STDIN_FILENO);
	396	}
	397
	398	become_daemon();
	399
f9e940ef AT	400	if (!lp_load(config_file, 1)) {
	401	fprintf(stderr,"failed to load config file %s\n", config_file);
	402	exit_cleanup(1);
	403	}
	404
	405	log_open();
	406
e42c9458 AT	407	rprintf(FINFO,"rsyncd version %s starting\n",VERSION);
e42c9458 AT	408
8ef4ffd6 AT	409	start_accept_loop(rsync_port, start_daemon);
8ef4ffd6 AT	410	return -1;
3591c066 AT	411	}
3591c066 AT	412