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-rw-r--r--src/chroot.c36
1 files changed, 21 insertions, 15 deletions
diff --git a/src/chroot.c b/src/chroot.c
index 8b08b84ea..a2debac1c 100644
--- a/src/chroot.c
+++ b/src/chroot.c
@@ -225,21 +225,27 @@ main (int argc, char **argv)
usage (EXIT_CANCELED);
}
- /* We have to look up users and groups twice.
- - First, outside the chroot to load potentially necessary passwd/group
- parsing plugins (e.g. NSS);
- - Second, inside chroot to redo the parsing in case IDs are different. */
- if (userspec)
- ignore_value (parse_user_spec (userspec, &uid, &gid, NULL, NULL));
- if (groups && *groups)
- ignore_value (parse_additional_groups (groups, &out_gids, &n_gids, false));
-
- if (chroot (argv[optind]) != 0)
- error (EXIT_CANCELED, errno, _("cannot change root directory to %s"),
- argv[optind]);
-
- if (chdir ("/"))
- error (EXIT_CANCELED, errno, _("cannot chdir to root directory"));
+ /* Only do chroot specific actions if actually changing root.
+ The main difference here is that we don't change working dir. */
+ if (! STREQ (argv[optind], "/"))
+ {
+ /* We have to look up users and groups twice.
+ - First, outside the chroot to load potentially necessary passwd/group
+ parsing plugins (e.g. NSS);
+ - Second, inside chroot to redo parsing in case IDs are different. */
+ if (userspec)
+ ignore_value (parse_user_spec (userspec, &uid, &gid, NULL, NULL));
+ if (groups && *groups)
+ ignore_value (parse_additional_groups (groups, &out_gids, &n_gids,
+ false));
+
+ if (chroot (argv[optind]) != 0)
+ error (EXIT_CANCELED, errno, _("cannot change root directory to %s"),
+ argv[optind]);
+
+ if (chdir ("/"))
+ error (EXIT_CANCELED, errno, _("cannot chdir to root directory"));
+ }
if (argc == optind + 1)
{