diff options
Diffstat (limited to 'daemon/rsync.c')
-rw-r--r-- | daemon/rsync.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/daemon/rsync.c b/daemon/rsync.c new file mode 100644 index 00000000..95f0f86d --- /dev/null +++ b/daemon/rsync.c @@ -0,0 +1,151 @@ +/* libguestfs - the guestfsd daemon + * Copyright (C) 2012 Red Hat Inc. + * + * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <inttypes.h> +#include <string.h> +#include <unistd.h> + +#include "daemon.h" +#include "actions.h" +#include "optgroups.h" + +#define MAX_ARGS 64 + +int +optgroup_rsync_available (void) +{ + return prog_exists ("rsync"); +} + +static int +rsync (const char *src, const char *src_orig, + const char *dest, const char *dest_orig, + int archive, int deletedest) +{ + const char *argv[MAX_ARGS]; + size_t i = 0; + int r; + char *err; + + ADD_ARG (argv, i, "rsync"); + + if (archive) + ADD_ARG (argv, i, "--archive"); + + if (deletedest) + ADD_ARG (argv, i, "--delete"); + + ADD_ARG (argv, i, src); + ADD_ARG (argv, i, dest); + ADD_ARG (argv, i, NULL); + + r = commandv (NULL, &err, argv); + if (r == -1) { + reply_with_error ("'%s' to '%s': %s", src_orig, dest_orig, err); + free (err); + return -1; + } + + free (err); + + return 0; +} + +/* Takes optional arguments, consult optargs_bitmask. */ +int +do_rsync (const char *src_orig, const char *dest_orig, + int archive, int deletedest) +{ + char *src = NULL, *dest = NULL; + int r = -1; + + src = sysroot_path (src_orig); + dest = sysroot_path (dest_orig); + if (!src || !dest) { + reply_with_perror ("malloc"); + goto out; + } + + if (!(optargs_bitmask & GUESTFS_RSYNC_ARCHIVE_BITMASK)) + archive = 0; + if (!(optargs_bitmask & GUESTFS_RSYNC_DELETEDEST_BITMASK)) + deletedest = 0; + + r = rsync (src, src_orig, dest, dest_orig, archive, deletedest); + + out: + free (src); + free (dest); + return r; +} + +/* Takes optional arguments, consult optargs_bitmask. */ +int +do_rsync_in (const char *remote, const char *dest_orig, + int archive, int deletedest) +{ + char *dest = NULL; + int r = -1; + + dest = sysroot_path (dest_orig); + if (!dest) { + reply_with_perror ("malloc"); + goto out; + } + + if (!(optargs_bitmask & GUESTFS_RSYNC_IN_ARCHIVE_BITMASK)) + archive = 0; + if (!(optargs_bitmask & GUESTFS_RSYNC_IN_DELETEDEST_BITMASK)) + deletedest = 0; + + r = rsync (remote, remote, dest, dest_orig, archive, deletedest); + + out: + free (dest); + return r; +} + +/* Takes optional arguments, consult optargs_bitmask. */ +int +do_rsync_out (const char *src_orig, const char *remote, + int archive, int deletedest) +{ + char *src = NULL; + int r = -1; + + src = sysroot_path (src_orig); + if (!src) { + reply_with_perror ("malloc"); + goto out; + } + + if (!(optargs_bitmask & GUESTFS_RSYNC_OUT_ARCHIVE_BITMASK)) + archive = 0; + if (!(optargs_bitmask & GUESTFS_RSYNC_OUT_DELETEDEST_BITMASK)) + deletedest = 0; + + r = rsync (src, src_orig, remote, remote, archive, deletedest); + + out: + free (src); + return r; +} |