[rsync/rsync.git] / options.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.
*/

/* options parsing code */

#include "rsync.h"


int make_backups = 0;
int whole_file = 0;
int copy_links = 0;
int preserve_links = 0;
int preserve_hard_links = 0;
int preserve_perms = 0;
int preserve_devices = 0;
int preserve_uid = 0;
int preserve_gid = 0;
int preserve_times = 0;
int update_only = 0;
int cvs_exclude = 0;
int dry_run=0;
int local_server=0;
int ignore_times=0;
int delete_mode=0;
int one_file_system=0;
int remote_version=0;
int sparse_files=0;
int do_compression=0;
int am_root=0;
int orig_umask=0;
int relative_paths=0;
int numeric_ids = 0;
int force_delete = 0;
int io_timeout = 0;
int io_error = 0;
int read_only = 0;
int module_id = -1;
int am_server = 0;
int am_sender=0;
int recurse = 0;
int am_daemon=0;
int am_client=0;
int do_stats=0;
int do_progress=0;
int keep_partial=0;
int safe_symlinks=0;
int copy_unsafe_links=0;
int block_size=BLOCK_SIZE;

char *backup_suffix = BACKUP_SUFFIX;
char *tmpdir = NULL;
char *compare_dest = NULL;
char *config_file = RSYNCD_CONF;
char *shell_cmd = NULL;
char *log_format = NULL;
char *password_file = NULL;
char *rsync_path = RSYNC_NAME;
int rsync_port = RSYNC_PORT;

int verbose = 0;
int quiet = 0;
int always_checksum = 0;
int list_only = 0;

void usage(int F)
{
  rprintf(F,"rsync version %s Copyright Andrew Tridgell and Paul Mackerras\n\n",
	  VERSION);

  rprintf(F,"rsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");

  rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
  rprintf(F,"  or   rsync [OPTION]... [USER@]HOST:SRC DEST\n");
  rprintf(F,"  or   rsync [OPTION]... SRC [SRC]... DEST\n");
  rprintf(F,"  or   rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
  rprintf(F,"  or   rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
  rprintf(F,"  or   rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
  rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
  rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
  rprintf(F,"  sources separated by space as long as they have same top-level\n");
  rprintf(F,"\nOptions\n");
  rprintf(F," -v, --verbose               increase verbosity\n");
  rprintf(F," -q, --quiet                 decrease verbosity\n");
  rprintf(F," -c, --checksum              always checksum\n");
  rprintf(F," -a, --archive               archive mode\n");
  rprintf(F," -r, --recursive             recurse into directories\n");
  rprintf(F," -R, --relative              use relative path names\n");
  rprintf(F," -b, --backup                make backups (default %s suffix)\n",BACKUP_SUFFIX);
  rprintf(F,"     --suffix=SUFFIX         override backup suffix\n");  
  rprintf(F," -u, --update                update only (don't overwrite newer files)\n");
  rprintf(F," -l, --links                 preserve soft links\n");
  rprintf(F," -L, --copy-links            treat soft links like regular files\n");
  rprintf(F,"     --copy-unsafe-links     copy links outside the source tree\n");
  rprintf(F,"     --safe-links            ignore links outside the destination tree\n");
  rprintf(F," -H, --hard-links            preserve hard links\n");
  rprintf(F," -p, --perms                 preserve permissions\n");
  rprintf(F," -o, --owner                 preserve owner (root only)\n");
  rprintf(F," -g, --group                 preserve group\n");
  rprintf(F," -D, --devices               preserve devices (root only)\n");
  rprintf(F," -t, --times                 preserve times\n");  
  rprintf(F," -S, --sparse                handle sparse files efficiently\n");
  rprintf(F," -n, --dry-run               show what would have been transferred\n");
  rprintf(F," -W, --whole-file            copy whole files, no incremental checks\n");
  rprintf(F," -x, --one-file-system       don't cross filesystem boundaries\n");
  rprintf(F," -B, --block-size=SIZE       checksum blocking size (default %d)\n",BLOCK_SIZE);  
  rprintf(F," -e, --rsh=COMMAND           specify rsh replacement\n");
  rprintf(F,"     --rsync-path=PATH       specify path to rsync on the remote machine\n");
  rprintf(F," -C, --cvs-exclude           auto ignore files in the same way CVS does\n");
  rprintf(F,"     --delete                delete files that don't exist on the sending side\n");
  rprintf(F,"     --partial               keep partially transferred files\n");
  rprintf(F,"     --force                 force deletion of directories even if not empty\n");
  rprintf(F,"     --numeric-ids           don't map uid/gid values by user/group name\n");
  rprintf(F,"     --timeout=TIME          set IO timeout in seconds\n");
  rprintf(F," -I, --ignore-times          don't exclude files that match length and time\n");
  rprintf(F," -T  --temp-dir=DIR          create temporary files in directory DIR\n");
  rprintf(F,"     --compare-dest=DIR      also compare destination files relative to DIR\n");
  rprintf(F," -z, --compress              compress file data\n");
  rprintf(F,"     --exclude=PATTERN       exclude files matching PATTERN\n");
  rprintf(F,"     --exclude-from=FILE     exclude patterns listed in FILE\n");
  rprintf(F,"     --include=PATTERN       don't exclude files matching PATTERN\n");
  rprintf(F,"     --include-from=FILE     don't exclude patterns listed in FILE\n");
  rprintf(F,"     --version               print version number\n");  
  rprintf(F,"     --daemon                run as a rsync daemon\n");  
  rprintf(F,"     --config=FILE           specify alternate rsyncd.conf file\n");  
  rprintf(F,"     --port=PORT             specify alternate rsyncd port number\n");
  rprintf(F,"     --stats                 give some file transfer stats\n");  
  rprintf(F,"     --progress              show progress during transfer\n");  
  rprintf(F,"     --log-format=FORMAT     log file transfers using specified format\n");  
  rprintf(F,"     --password-file=FILE    get password from FILE\n");
  rprintf(F," -h, --help                  show this help screen\n");

  rprintf(F,"\n");

  rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n");
  rprintf(F,"See http://rsync.samba.org/ for updates and bug reports\n");
}

enum {OPT_VERSION,OPT_SUFFIX,OPT_SENDER,OPT_SERVER,OPT_EXCLUDE,
      OPT_EXCLUDE_FROM,OPT_DELETE,OPT_NUMERIC_IDS,OPT_RSYNC_PATH,
      OPT_FORCE,OPT_TIMEOUT,OPT_DAEMON,OPT_CONFIG,OPT_PORT,
      OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_STATS, OPT_PARTIAL, OPT_PROGRESS,
      OPT_COPY_UNSAFE_LINKS, OPT_SAFE_LINKS, OPT_COMPARE_DEST,
      OPT_LOG_FORMAT, OPT_PASSWORD_FILE};

static char *short_options = "oblLWHpguDCtcahvqrRIxnSe:B:T:z";

static struct option long_options[] = {
  {"version",     0,     0,    OPT_VERSION},
  {"server",      0,     0,    OPT_SERVER},
  {"sender",      0,     0,    OPT_SENDER},
  {"delete",      0,     0,    OPT_DELETE},
  {"force",       0,     0,    OPT_FORCE},
  {"numeric-ids", 0,     0,    OPT_NUMERIC_IDS},
  {"exclude",     1,     0,    OPT_EXCLUDE},
  {"exclude-from",1,     0,    OPT_EXCLUDE_FROM},
  {"include",     1,     0,    OPT_INCLUDE},
  {"include-from",1,     0,    OPT_INCLUDE_FROM},
  {"rsync-path",  1,     0,    OPT_RSYNC_PATH},
  {"password-file", 1,	0,     OPT_PASSWORD_FILE},
  {"one-file-system",0,  0,    'x'},
  {"ignore-times",0,     0,    'I'},
  {"help",        0,     0,    'h'},
  {"dry-run",     0,     0,    'n'},
  {"sparse",      0,     0,    'S'},
  {"cvs-exclude", 0,     0,    'C'},
  {"archive",     0,     0,    'a'},
  {"checksum",    0,     0,    'c'},
  {"backup",      0,     0,    'b'},
  {"update",      0,     0,    'u'},
  {"verbose",     0,     0,    'v'},
  {"quiet",       0,     0,    'q'},
  {"recursive",   0,     0,    'r'},
  {"relative",    0,     0,    'R'},
  {"devices",     0,     0,    'D'},
  {"perms",       0,     0,    'p'},
  {"links",       0,     0,    'l'},
  {"copy-links",  0,     0,    'L'},
  {"copy-unsafe-links", 0, 0,  OPT_COPY_UNSAFE_LINKS},
  {"safe-links",  0,     0,    OPT_SAFE_LINKS},
  {"whole-file",  0,     0,    'W'},
  {"hard-links",  0,     0,    'H'},
  {"owner",       0,     0,    'o'},
  {"group",       0,     0,    'g'},
  {"times",       0,     0,    't'},
  {"rsh",         1,     0,    'e'},
  {"suffix",      1,     0,    OPT_SUFFIX},
  {"block-size",  1,     0,    'B'},
  {"timeout",     1,     0,    OPT_TIMEOUT},
  {"temp-dir",    1,     0,    'T'},
  {"compare-dest", 1,    0,    OPT_COMPARE_DEST},
  {"compress",	  0,	 0,    'z'},
  {"daemon",      0,     0,    OPT_DAEMON},
  {"stats",       0,     0,    OPT_STATS},
  {"progress",    0,     0,    OPT_PROGRESS},
  {"partial",     0,     0,    OPT_PARTIAL},
  {"config",      1,     0,    OPT_CONFIG},
  {"port",        1,     0,    OPT_PORT},
  {"log-format",  1,     0,    OPT_LOG_FORMAT},
  {0,0,0,0}};


static char err_buf[100];

void option_error(void)
{
	if (err_buf[0]) {
		rprintf(FLOG,"%s", err_buf);
		rprintf(FERROR,"%s", err_buf);
	} else {
		rprintf(FLOG,"Error parsing options - unsupported option?\n");
		rprintf(FERROR,"Error parsing options - unsupported option?\n");
	}
	exit_cleanup(RERR_UNSUPPORTED);
}

/* check to see if we should refuse this option */
static int check_refuse_options(char *ref, int opt)
{
	int i, len;
	char *p;
	const char *name;

	for (i=0; long_options[i].name; i++) {
		if (long_options[i].val == opt) break;
	}
	
	if (!long_options[i].name) return 0;

	name = long_options[i].name;
	len = strlen(name);

	while ((p = strstr(ref,name))) {
		if ((p==ref || p[-1]==' ') &&
		    (p[len] == ' ' || p[len] == 0)) {
			slprintf(err_buf,sizeof(err_buf),
				 "The '%s' option is not supported by this server\n", name);
			return 1;
		}
		ref += len;
	}
	return 0;
}


int parse_arguments(int argc, char *argv[], int frommain)
{
	int opt;
	int option_index;
	char *ref = lp_refuse_options(module_id);

	while ((opt = getopt_long(argc, argv, 
				  short_options, long_options, &option_index)) 
	       != -1) {

		if (ref) {
			if (check_refuse_options(ref, opt)) return 0;
		}

		switch (opt) {
		case OPT_VERSION:
			rprintf(FINFO,"rsync version %s  protocol version %d\n\n",
				VERSION,PROTOCOL_VERSION);
			rprintf(FINFO,"Written by Andrew Tridgell and Paul Mackerras\n");
			exit_cleanup(0);
			
		case OPT_SUFFIX:
			backup_suffix = optarg;
			break;
			
		case OPT_RSYNC_PATH:
			rsync_path = optarg;
			break;
	
		case OPT_PASSWORD_FILE:
			password_file =optarg;
			break;		
		case 'I':
			ignore_times = 1;
			break;

		case 'x':
			one_file_system=1;
			break;

		case OPT_DELETE:
			delete_mode = 1;
			break;

		case OPT_FORCE:
			force_delete = 1;
			break;

		case OPT_NUMERIC_IDS:
			numeric_ids = 1;
			break;

		case OPT_EXCLUDE:
			add_exclude(optarg, 0);
			break;

		case OPT_INCLUDE:
			add_exclude(optarg, 1);
			break;

		case OPT_EXCLUDE_FROM:
			add_exclude_file(optarg,1, 0);
			break;

		case OPT_INCLUDE_FROM:
			add_exclude_file(optarg,1, 1);
			break;

		case OPT_COPY_UNSAFE_LINKS:
			copy_unsafe_links=1;
			break;

		case OPT_SAFE_LINKS:
			safe_symlinks=1;
			break;

		case 'h':
			usage(FINFO);
			exit_cleanup(0);

		case 'b':
			make_backups=1;
			break;

		case 'n':
			dry_run=1;
			break;

		case 'S':
			sparse_files=1;
			break;

		case 'C':
			cvs_exclude=1;
			break;

		case 'u':
			update_only=1;
			break;

		case 'l':
			preserve_links=1;
			break;

		case 'L':
			copy_links=1;
			break;

		case 'W':
			whole_file=1;
			break;

		case 'H':
#if SUPPORT_HARD_LINKS
			preserve_hard_links=1;
#else 
			slprintf(err_buf,sizeof(err_buf),"hard links are not supported on this server\n");
			rprintf(FERROR,"ERROR: hard links not supported on this platform\n");
			return 0;
#endif
			break;

		case 'p':
			preserve_perms=1;
			break;

		case 'o':
			preserve_uid=1;
			break;

		case 'g':
			preserve_gid=1;
			break;

		case 'D':
			preserve_devices=1;
			break;

		case 't':
			preserve_times=1;
			break;

		case 'c':
			always_checksum=1;
			break;

		case 'v':
			verbose++;
			break;

		case 'q':
			if (frommain) quiet++;
			break;

		case 'a':
			recurse=1;
#if SUPPORT_LINKS
			preserve_links=1;
#endif
			preserve_perms=1;
			preserve_times=1;
			preserve_gid=1;
			if (am_root) {
				preserve_devices=1;
				preserve_uid=1;
			}
			break;

		case OPT_SERVER:
			am_server = 1;
			break;

		case OPT_SENDER:
			if (!am_server) {
				usage(FERROR);
				exit_cleanup(RERR_SYNTAX);
			}
			am_sender = 1;
			break;

		case 'r':
			recurse = 1;
			break;

		case 'R':
			relative_paths = 1;
			break;

		case 'e':
			shell_cmd = optarg;
			break;

		case 'B':
			block_size = atoi(optarg);
			break;

		case OPT_TIMEOUT:
			io_timeout = atoi(optarg);
			break;

		case 'T':
			tmpdir = optarg;
			break;

		case OPT_COMPARE_DEST:
			compare_dest = optarg;
			break;

		case 'z':
			do_compression = 1;
			break;

		case OPT_DAEMON:
			am_daemon = 1;
			break;

		case OPT_STATS:
			do_stats = 1;
			break;

		case OPT_PROGRESS:
			do_progress = 1;
			break;

		case OPT_PARTIAL:
			keep_partial = 1;
			break;

		case OPT_CONFIG:
			config_file = optarg;
			break;

		case OPT_PORT:
			rsync_port = atoi(optarg);
			break;

		case OPT_LOG_FORMAT:
			log_format = optarg;
			break;

		default:
			slprintf(err_buf,sizeof(err_buf),"unrecognised option\n");
			return 0;
		}
	}
	return 1;
}


void server_options(char **args,int *argc)
{
	int ac = *argc;
	static char argstr[50];
	static char bsize[30];
	static char iotime[30];
	int i, x;

	args[ac++] = "--server";

	if (!am_sender)
		args[ac++] = "--sender";

	x = 1;
	argstr[0] = '-';
	for (i=0;i<verbose;i++)
		argstr[x++] = 'v';
	/* the -q option is intentionally left out */
	if (make_backups)
		argstr[x++] = 'b';
	if (update_only)
		argstr[x++] = 'u';
	if (dry_run)
		argstr[x++] = 'n';
	if (preserve_links)
		argstr[x++] = 'l';
	if (copy_links)
		argstr[x++] = 'L';
	if (whole_file)
		argstr[x++] = 'W';
	if (preserve_hard_links)
		argstr[x++] = 'H';
	if (preserve_uid)
		argstr[x++] = 'o';
	if (preserve_gid)
		argstr[x++] = 'g';
	if (preserve_devices)
		argstr[x++] = 'D';
	if (preserve_times)
		argstr[x++] = 't';
	if (preserve_perms)
		argstr[x++] = 'p';
	if (recurse)
		argstr[x++] = 'r';
	if (always_checksum)
		argstr[x++] = 'c';
	if (cvs_exclude)
		argstr[x++] = 'C';
	if (ignore_times)
		argstr[x++] = 'I';
	if (relative_paths)
		argstr[x++] = 'R';
	if (one_file_system)
		argstr[x++] = 'x';
	if (sparse_files)
		argstr[x++] = 'S';
	if (do_compression)
		argstr[x++] = 'z';
	argstr[x] = 0;

	if (x != 1) args[ac++] = argstr;

	if (block_size != BLOCK_SIZE) {
		sprintf(bsize,"-B%d",block_size);
		args[ac++] = bsize;
	}    

	if (io_timeout) {
		sprintf(iotime,"--timeout=%d",io_timeout);
		args[ac++] = iotime;
	}    

	if (strcmp(backup_suffix, BACKUP_SUFFIX)) {
		args[ac++] = "--suffix";
		args[ac++] = backup_suffix;
	}

	if (delete_mode)
		args[ac++] = "--delete";

	if (keep_partial)
		args[ac++] = "--partial";

	if (force_delete)
		args[ac++] = "--force";

	if (copy_unsafe_links)
		args[ac++] = "--copy-unsafe-links";

	if (safe_symlinks)
		args[ac++] = "--safe-links";

	if (numeric_ids)
		args[ac++] = "--numeric-ids";

	if (tmpdir) {
		args[ac++] = "--temp-dir";
		args[ac++] = tmpdir;
	}

	if (compare_dest && am_sender) {
		/* the server only needs this option if it is not the sender,
		 *   and it may be an older version that doesn't know this
		 *   option, so don't send it if client is the sender.
		 */
		args[ac++] = "--compare-dest";
		args[ac++] = compare_dest;
	}


	*argc = ac;
}
Commit	Line	Data
7a6421fa 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	/* options parsing code */
	20
	21	#include "rsync.h"
	22
	23
	24	int make_backups = 0;
	25	int whole_file = 0;
	26	int copy_links = 0;
	27	int preserve_links = 0;
	28	int preserve_hard_links = 0;
	29	int preserve_perms = 0;
	30	int preserve_devices = 0;
	31	int preserve_uid = 0;
	32	int preserve_gid = 0;
	33	int preserve_times = 0;
	34	int update_only = 0;
	35	int cvs_exclude = 0;
	36	int dry_run=0;
	37	int local_server=0;
	38	int ignore_times=0;
	39	int delete_mode=0;
	40	int one_file_system=0;
	41	int remote_version=0;
	42	int sparse_files=0;
	43	int do_compression=0;
	44	int am_root=0;
	45	int orig_umask=0;
	46	int relative_paths=0;
	47	int numeric_ids = 0;
	48	int force_delete = 0;
	49	int io_timeout = 0;
	50	int io_error = 0;
	51	int read_only = 0;
	52	int module_id = -1;
	53	int am_server = 0;
	54	int am_sender=0;
	55	int recurse = 0;
	56	int am_daemon=0;
8d9dc9f9	57	int am_client=0;
a800434a	58	int do_stats=0;
eb86d661	59	int do_progress=0;
c95da96a	60	int keep_partial=0;
d853783f	61	int safe_symlinks=0;
b5313607	62	int copy_unsafe_links=0;
7a6421fa AT	63	int block_size=BLOCK_SIZE;
	64
	65	char *backup_suffix = BACKUP_SUFFIX;
	66	char *tmpdir = NULL;
375a4556	67	char *compare_dest = NULL;
7a6421fa AT	68	char *config_file = RSYNCD_CONF;
7a6421fa AT	69	char *shell_cmd = NULL;
b6062654	70	char *log_format = NULL;
65575e96	71	char *password_file = NULL;
7a6421fa AT	72	char *rsync_path = RSYNC_NAME;
	73	int rsync_port = RSYNC_PORT;
	74
	75	int verbose = 0;
b86f0cef	76	int quiet = 0;
7a6421fa	77	int always_checksum = 0;
f7632fc6	78	int list_only = 0;
7a6421fa AT	79
	80	void usage(int F)
	81	{
	82	rprintf(F,"rsync version %s Copyright Andrew Tridgell and Paul Mackerras\n\n",
	83	VERSION);
704f908e AT	84
	85	rprintf(F,"rsync is a file transfer program capable of efficient remote update\nvia a fast differencing algorithm.\n\n");
	86
9ef53907	87	rprintf(F,"Usage: rsync [OPTION]... SRC [SRC]... [USER@]HOST:DEST\n");
704f908e	88	rprintf(F," or rsync [OPTION]... [USER@]HOST:SRC DEST\n");
9ef53907	89	rprintf(F," or rsync [OPTION]... SRC [SRC]... DEST\n");
14d43f1f	90	rprintf(F," or rsync [OPTION]... [USER@]HOST::SRC [DEST]\n");
9ef53907	91	rprintf(F," or rsync [OPTION]... SRC [SRC]... [USER@]HOST::DEST\n");
14d43f1f	92	rprintf(F," or rsync [OPTION]... rsync://[USER@]HOST[:PORT]/SRC [DEST]\n");
9ef53907 DD	93	rprintf(F,"SRC on single-colon remote HOST will be expanded by remote shell\n");
	94	rprintf(F,"SRC on server remote HOST may contain shell wildcards or multiple\n");
	95	rprintf(F," sources separated by space as long as they have same top-level\n");
704f908e AT	96	rprintf(F,"\nOptions\n");
704f908e AT	97	rprintf(F," -v, --verbose increase verbosity\n");
b86f0cef	98	rprintf(F," -q, --quiet decrease verbosity\n");
704f908e AT	99	rprintf(F," -c, --checksum always checksum\n");
	100	rprintf(F," -a, --archive archive mode\n");
	101	rprintf(F," -r, --recursive recurse into directories\n");
	102	rprintf(F," -R, --relative use relative path names\n");
9ef53907 DD	103	rprintf(F," -b, --backup make backups (default %s suffix)\n",BACKUP_SUFFIX);
9ef53907 DD	104	rprintf(F," --suffix=SUFFIX override backup suffix\n");
704f908e AT	105	rprintf(F," -u, --update update only (don't overwrite newer files)\n");
	106	rprintf(F," -l, --links preserve soft links\n");
	107	rprintf(F," -L, --copy-links treat soft links like regular files\n");
b5313607	108	rprintf(F," --copy-unsafe-links copy links outside the source tree\n");
d853783f	109	rprintf(F," --safe-links ignore links outside the destination tree\n");
704f908e AT	110	rprintf(F," -H, --hard-links preserve hard links\n");
	111	rprintf(F," -p, --perms preserve permissions\n");
	112	rprintf(F," -o, --owner preserve owner (root only)\n");
	113	rprintf(F," -g, --group preserve group\n");
	114	rprintf(F," -D, --devices preserve devices (root only)\n");
	115	rprintf(F," -t, --times preserve times\n");
	116	rprintf(F," -S, --sparse handle sparse files efficiently\n");
	117	rprintf(F," -n, --dry-run show what would have been transferred\n");
	118	rprintf(F," -W, --whole-file copy whole files, no incremental checks\n");
	119	rprintf(F," -x, --one-file-system don't cross filesystem boundaries\n");
9ef53907	120	rprintf(F," -B, --block-size=SIZE checksum blocking size (default %d)\n",BLOCK_SIZE);
704f908e AT	121	rprintf(F," -e, --rsh=COMMAND specify rsh replacement\n");
	122	rprintf(F," --rsync-path=PATH specify path to rsync on the remote machine\n");
	123	rprintf(F," -C, --cvs-exclude auto ignore files in the same way CVS does\n");
	124	rprintf(F," --delete delete files that don't exist on the sending side\n");
c95da96a	125	rprintf(F," --partial keep partially transferred files\n");
704f908e AT	126	rprintf(F," --force force deletion of directories even if not empty\n");
	127	rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
	128	rprintf(F," --timeout=TIME set IO timeout in seconds\n");
	129	rprintf(F," -I, --ignore-times don't exclude files that match length and time\n");
	130	rprintf(F," -T --temp-dir=DIR create temporary files in directory DIR\n");
375a4556	131	rprintf(F," --compare-dest=DIR also compare destination files relative to DIR\n");
704f908e	132	rprintf(F," -z, --compress compress file data\n");
2acf81eb	133	rprintf(F," --exclude=PATTERN exclude files matching PATTERN\n");
858fb9eb	134	rprintf(F," --exclude-from=FILE exclude patterns listed in FILE\n");
2acf81eb	135	rprintf(F," --include=PATTERN don't exclude files matching PATTERN\n");
858fb9eb	136	rprintf(F," --include-from=FILE don't exclude patterns listed in FILE\n");
704f908e AT	137	rprintf(F," --version print version number\n");
	138	rprintf(F," --daemon run as a rsync daemon\n");
	139	rprintf(F," --config=FILE specify alternate rsyncd.conf file\n");
	140	rprintf(F," --port=PORT specify alternate rsyncd port number\n");
	141	rprintf(F," --stats give some file transfer stats\n");
eb86d661	142	rprintf(F," --progress show progress during transfer\n");
b6062654	143	rprintf(F," --log-format=FORMAT log file transfers using specified format\n");
65575e96	144	rprintf(F," --password-file=FILE get password from FILE\n");
704f908e	145	rprintf(F," -h, --help show this help screen\n");
7a6421fa AT	146
7a6421fa AT	147	rprintf(F,"\n");
b72f24c7 AT	148
b72f24c7 AT	149	rprintf(F,"\nPlease see the rsync(1) and rsyncd.conf(5) man pages for full documentation\n");
9e3c856a	150	rprintf(F,"See http://rsync.samba.org/ for updates and bug reports\n");
7a6421fa AT	151	}
	152
	153	enum {OPT_VERSION,OPT_SUFFIX,OPT_SENDER,OPT_SERVER,OPT_EXCLUDE,
	154	OPT_EXCLUDE_FROM,OPT_DELETE,OPT_NUMERIC_IDS,OPT_RSYNC_PATH,
2b6b4d53	155	OPT_FORCE,OPT_TIMEOUT,OPT_DAEMON,OPT_CONFIG,OPT_PORT,
d853783f	156	OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_STATS, OPT_PARTIAL, OPT_PROGRESS,
b5313607 DD	157	OPT_COPY_UNSAFE_LINKS, OPT_SAFE_LINKS, OPT_COMPARE_DEST,
b5313607 DD	158	OPT_LOG_FORMAT, OPT_PASSWORD_FILE};
7a6421fa	159
b86f0cef	160	static char *short_options = "oblLWHpguDCtcahvqrRIxnSe:B:T:z";
7a6421fa AT	161
	162	static struct option long_options[] = {
	163	{"version", 0, 0, OPT_VERSION},
	164	{"server", 0, 0, OPT_SERVER},
	165	{"sender", 0, 0, OPT_SENDER},
	166	{"delete", 0, 0, OPT_DELETE},
	167	{"force", 0, 0, OPT_FORCE},
	168	{"numeric-ids", 0, 0, OPT_NUMERIC_IDS},
	169	{"exclude", 1, 0, OPT_EXCLUDE},
	170	{"exclude-from",1, 0, OPT_EXCLUDE_FROM},
2b6b4d53 AT	171	{"include", 1, 0, OPT_INCLUDE},
2b6b4d53 AT	172	{"include-from",1, 0, OPT_INCLUDE_FROM},
7a6421fa	173	{"rsync-path", 1, 0, OPT_RSYNC_PATH},
65575e96	174	{"password-file", 1, 0, OPT_PASSWORD_FILE},
7a6421fa AT	175	{"one-file-system",0, 0, 'x'},
	176	{"ignore-times",0, 0, 'I'},
	177	{"help", 0, 0, 'h'},
	178	{"dry-run", 0, 0, 'n'},
	179	{"sparse", 0, 0, 'S'},
	180	{"cvs-exclude", 0, 0, 'C'},
	181	{"archive", 0, 0, 'a'},
	182	{"checksum", 0, 0, 'c'},
	183	{"backup", 0, 0, 'b'},
	184	{"update", 0, 0, 'u'},
	185	{"verbose", 0, 0, 'v'},
b86f0cef	186	{"quiet", 0, 0, 'q'},
7a6421fa AT	187	{"recursive", 0, 0, 'r'},
	188	{"relative", 0, 0, 'R'},
	189	{"devices", 0, 0, 'D'},
	190	{"perms", 0, 0, 'p'},
	191	{"links", 0, 0, 'l'},
	192	{"copy-links", 0, 0, 'L'},
b5313607	193	{"copy-unsafe-links", 0, 0, OPT_COPY_UNSAFE_LINKS},
d853783f	194	{"safe-links", 0, 0, OPT_SAFE_LINKS},
7a6421fa AT	195	{"whole-file", 0, 0, 'W'},
	196	{"hard-links", 0, 0, 'H'},
	197	{"owner", 0, 0, 'o'},
	198	{"group", 0, 0, 'g'},
	199	{"times", 0, 0, 't'},
	200	{"rsh", 1, 0, 'e'},
	201	{"suffix", 1, 0, OPT_SUFFIX},
	202	{"block-size", 1, 0, 'B'},
	203	{"timeout", 1, 0, OPT_TIMEOUT},
	204	{"temp-dir", 1, 0, 'T'},
375a4556	205	{"compare-dest", 1, 0, OPT_COMPARE_DEST},
7a6421fa AT	206	{"compress", 0, 0, 'z'},
7a6421fa AT	207	{"daemon", 0, 0, OPT_DAEMON},
a800434a	208	{"stats", 0, 0, OPT_STATS},
eb86d661	209	{"progress", 0, 0, OPT_PROGRESS},
c95da96a	210	{"partial", 0, 0, OPT_PARTIAL},
7a6421fa AT	211	{"config", 1, 0, OPT_CONFIG},
7a6421fa AT	212	{"port", 1, 0, OPT_PORT},
b6062654	213	{"log-format", 1, 0, OPT_LOG_FORMAT},
7a6421fa AT	214	{0,0,0,0}};
7a6421fa AT	215
b11ed3b1	216
cd8185f2 AT	217	static char err_buf[100];
	218
	219	void option_error(void)
	220	{
	221	if (err_buf[0]) {
	222	rprintf(FLOG,"%s", err_buf);
	223	rprintf(FERROR,"%s", err_buf);
	224	} else {
	225	rprintf(FLOG,"Error parsing options - unsupported option?\n");
	226	rprintf(FERROR,"Error parsing options - unsupported option?\n");
	227	}
	228	exit_cleanup(RERR_UNSUPPORTED);
	229	}
	230
	231	/* check to see if we should refuse this option */
	232	static int check_refuse_options(char *ref, int opt)
	233	{
	234	int i, len;
	235	char *p;
	236	const char *name;
	237
	238	for (i=0; long_options[i].name; i++) {
	239	if (long_options[i].val == opt) break;
	240	}
	241
	242	if (!long_options[i].name) return 0;
	243
	244	name = long_options[i].name;
	245	len = strlen(name);
	246
	247	while ((p = strstr(ref,name))) {
055af776 AT	248	if ((p==ref \|\| p[-1]==' ') &&
055af776 AT	249	(p[len] == ' ' \|\| p[len] == 0)) {
cd8185f2 AT	250	slprintf(err_buf,sizeof(err_buf),
	251	"The '%s' option is not supported by this server\n", name);
	252	return 1;
	253	}
	254	ref += len;
	255	}
	256	return 0;
	257	}
	258
	259
b86f0cef	260	int parse_arguments(int argc, char *argv[], int frommain)
7a6421fa	261	{
d853783f AT	262	int opt;
d853783f AT	263	int option_index;
cd8185f2	264	char *ref = lp_refuse_options(module_id);
d853783f AT	265
	266	while ((opt = getopt_long(argc, argv,
	267	short_options, long_options, &option_index))
	268	!= -1) {
cd8185f2 AT	269
	270	if (ref) {
	271	if (check_refuse_options(ref, opt)) return 0;
	272	}
	273
d853783f AT	274	switch (opt) {
	275	case OPT_VERSION:
	276	rprintf(FINFO,"rsync version %s protocol version %d\n\n",
	277	VERSION,PROTOCOL_VERSION);
	278	rprintf(FINFO,"Written by Andrew Tridgell and Paul Mackerras\n");
	279	exit_cleanup(0);
	280
	281	case OPT_SUFFIX:
	282	backup_suffix = optarg;
	283	break;
	284
	285	case OPT_RSYNC_PATH:
	286	rsync_path = optarg;
	287	break;
65575e96 AT	288
	289	case OPT_PASSWORD_FILE:
	290	password_file =optarg;
	291	break;
d853783f AT	292	case 'I':
	293	ignore_times = 1;
	294	break;
	295
	296	case 'x':
	297	one_file_system=1;
	298	break;
	299
	300	case OPT_DELETE:
	301	delete_mode = 1;
	302	break;
	303
	304	case OPT_FORCE:
	305	force_delete = 1;
	306	break;
	307
	308	case OPT_NUMERIC_IDS:
	309	numeric_ids = 1;
	310	break;
	311
	312	case OPT_EXCLUDE:
	313	add_exclude(optarg, 0);
	314	break;
	315
	316	case OPT_INCLUDE:
	317	add_exclude(optarg, 1);
	318	break;
	319
	320	case OPT_EXCLUDE_FROM:
	321	add_exclude_file(optarg,1, 0);
	322	break;
	323
	324	case OPT_INCLUDE_FROM:
	325	add_exclude_file(optarg,1, 1);
	326	break;
	327
b5313607 DD	328	case OPT_COPY_UNSAFE_LINKS:
	329	copy_unsafe_links=1;
	330	break;
	331
d853783f AT	332	case OPT_SAFE_LINKS:
	333	safe_symlinks=1;
	334	break;
	335
	336	case 'h':
	337	usage(FINFO);
	338	exit_cleanup(0);
	339
	340	case 'b':
	341	make_backups=1;
	342	break;
	343
	344	case 'n':
	345	dry_run=1;
	346	break;
	347
	348	case 'S':
	349	sparse_files=1;
	350	break;
	351
	352	case 'C':
	353	cvs_exclude=1;
	354	break;
	355
	356	case 'u':
	357	update_only=1;
	358	break;
	359
	360	case 'l':
	361	preserve_links=1;
	362	break;
	363
	364	case 'L':
	365	copy_links=1;
	366	break;
	367
	368	case 'W':
	369	whole_file=1;
	370	break;
	371
	372	case 'H':
7a6421fa	373	#if SUPPORT_HARD_LINKS
d853783f	374	preserve_hard_links=1;
7a6421fa	375	#else
cd8185f2	376	slprintf(err_buf,sizeof(err_buf),"hard links are not supported on this server\n");
d853783f	377	rprintf(FERROR,"ERROR: hard links not supported on this platform\n");
b11ed3b1	378	return 0;
7a6421fa	379	#endif
d853783f	380	break;
7a6421fa	381
d853783f AT	382	case 'p':
	383	preserve_perms=1;
	384	break;
7a6421fa	385
d853783f AT	386	case 'o':
	387	preserve_uid=1;
	388	break;
7a6421fa	389
d853783f AT	390	case 'g':
	391	preserve_gid=1;
	392	break;
7a6421fa	393
d853783f AT	394	case 'D':
	395	preserve_devices=1;
	396	break;
7a6421fa	397
d853783f AT	398	case 't':
	399	preserve_times=1;
	400	break;
7a6421fa	401
d853783f AT	402	case 'c':
	403	always_checksum=1;
	404	break;
7a6421fa	405
d853783f AT	406	case 'v':
	407	verbose++;
	408	break;
7a6421fa	409
b86f0cef DD	410	case 'q':
	411	if (frommain) quiet++;
	412	break;
	413
d853783f AT	414	case 'a':
d853783f AT	415	recurse=1;
7a6421fa	416	#if SUPPORT_LINKS
d853783f	417	preserve_links=1;
7a6421fa	418	#endif
d853783f AT	419	preserve_perms=1;
	420	preserve_times=1;
	421	preserve_gid=1;
	422	if (am_root) {
	423	preserve_devices=1;
	424	preserve_uid=1;
	425	}
	426	break;
	427
	428	case OPT_SERVER:
	429	am_server = 1;
	430	break;
	431
	432	case OPT_SENDER:
	433	if (!am_server) {
	434	usage(FERROR);
65417579	435	exit_cleanup(RERR_SYNTAX);
d853783f AT	436	}
	437	am_sender = 1;
	438	break;
	439
	440	case 'r':
	441	recurse = 1;
	442	break;
	443
	444	case 'R':
	445	relative_paths = 1;
	446	break;
	447
	448	case 'e':
	449	shell_cmd = optarg;
	450	break;
	451
	452	case 'B':
	453	block_size = atoi(optarg);
	454	break;
	455
	456	case OPT_TIMEOUT:
	457	io_timeout = atoi(optarg);
	458	break;
	459
	460	case 'T':
	461	tmpdir = optarg;
	462	break;
	463
375a4556 DD	464	case OPT_COMPARE_DEST:
	465	compare_dest = optarg;
	466	break;
	467
d853783f AT	468	case 'z':
	469	do_compression = 1;
	470	break;
	471
	472	case OPT_DAEMON:
	473	am_daemon = 1;
	474	break;
	475
	476	case OPT_STATS:
	477	do_stats = 1;
	478	break;
	479
	480	case OPT_PROGRESS:
	481	do_progress = 1;
	482	break;
	483
	484	case OPT_PARTIAL:
	485	keep_partial = 1;
	486	break;
	487
	488	case OPT_CONFIG:
	489	config_file = optarg;
	490	break;
	491
	492	case OPT_PORT:
	493	rsync_port = atoi(optarg);
	494	break;
	495
b6062654 AT	496	case OPT_LOG_FORMAT:
	497	log_format = optarg;
	498	break;
	499
d853783f	500	default:
cd8185f2	501	slprintf(err_buf,sizeof(err_buf),"unrecognised option\n");
b11ed3b1	502	return 0;
d853783f	503	}
7a6421fa	504	}
b11ed3b1	505	return 1;
7a6421fa AT	506	}
	507
	508
	509	void server_options(char *args,int argc)
	510	{
d853783f AT	511	int ac = *argc;
	512	static char argstr[50];
	513	static char bsize[30];
	514	static char iotime[30];
	515	int i, x;
	516
	517	args[ac++] = "--server";
	518
	519	if (!am_sender)
	520	args[ac++] = "--sender";
	521
	522	x = 1;
	523	argstr[0] = '-';
	524	for (i=0;i<verbose;i++)
	525	argstr[x++] = 'v';
b86f0cef	526	/* the -q option is intentionally left out */
d853783f AT	527	if (make_backups)
	528	argstr[x++] = 'b';
	529	if (update_only)
	530	argstr[x++] = 'u';
	531	if (dry_run)
	532	argstr[x++] = 'n';
	533	if (preserve_links)
	534	argstr[x++] = 'l';
	535	if (copy_links)
	536	argstr[x++] = 'L';
	537	if (whole_file)
	538	argstr[x++] = 'W';
	539	if (preserve_hard_links)
	540	argstr[x++] = 'H';
	541	if (preserve_uid)
	542	argstr[x++] = 'o';
	543	if (preserve_gid)
	544	argstr[x++] = 'g';
	545	if (preserve_devices)
	546	argstr[x++] = 'D';
	547	if (preserve_times)
	548	argstr[x++] = 't';
	549	if (preserve_perms)
	550	argstr[x++] = 'p';
	551	if (recurse)
	552	argstr[x++] = 'r';
	553	if (always_checksum)
	554	argstr[x++] = 'c';
	555	if (cvs_exclude)
	556	argstr[x++] = 'C';
	557	if (ignore_times)
	558	argstr[x++] = 'I';
	559	if (relative_paths)
	560	argstr[x++] = 'R';
	561	if (one_file_system)
	562	argstr[x++] = 'x';
	563	if (sparse_files)
	564	argstr[x++] = 'S';
	565	if (do_compression)
	566	argstr[x++] = 'z';
	567	argstr[x] = 0;
	568
	569	if (x != 1) args[ac++] = argstr;
	570
	571	if (block_size != BLOCK_SIZE) {
	572	sprintf(bsize,"-B%d",block_size);
	573	args[ac++] = bsize;
	574	}
	575
	576	if (io_timeout) {
	577	sprintf(iotime,"--timeout=%d",io_timeout);
	578	args[ac++] = iotime;
	579	}
	580
	581	if (strcmp(backup_suffix, BACKUP_SUFFIX)) {
	582	args[ac++] = "--suffix";
	583	args[ac++] = backup_suffix;
	584	}
	585
	586	if (delete_mode)
	587	args[ac++] = "--delete";
	588
	589	if (keep_partial)
	590	args[ac++] = "--partial";
591
592	if (force_delete)
593	args[ac++] = "--force";
594
b5313607 DD	595	if (copy_unsafe_links)
	596	args[ac++] = "--copy-unsafe-links";
	597
d853783f AT	598	if (safe_symlinks)
	599	args[ac++] = "--safe-links";
	600
	601	if (numeric_ids)
	602	args[ac++] = "--numeric-ids";
	603
	604	if (tmpdir) {
	605	args[ac++] = "--temp-dir";
	606	args[ac++] = tmpdir;
	607	}
	608
375a4556 DD	609	if (compare_dest && am_sender) {
	610	/* the server only needs this option if it is not the sender,
	611	* and it may be an older version that doesn't know this
	612	* option, so don't send it if client is the sender.
	613	*/
	614	args[ac++] = "--compare-dest";
	615	args[ac++] = compare_dest;
	616	}
	617
	618
d853783f	619	*argc = ac;
7a6421fa AT	620	}
7a6421fa AT	621