diff options
| -rw-r--r-- | usr.sbin/snapinfo/snapinfo.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/usr.sbin/snapinfo/snapinfo.c b/usr.sbin/snapinfo/snapinfo.c index a4b1a13..55b54a5 100644 --- a/usr.sbin/snapinfo/snapinfo.c +++ b/usr.sbin/snapinfo/snapinfo.c @@ -81,12 +81,19 @@ main(int argc, char **argv) usage(); if (!all) { - path = *argv; + char resolved[PATH_MAX]; - if (strrchr(path, '/') == NULL || /* is absolute path */ - (stat(path, &st) == -1) || /* is it stat'able */ - !(st.st_mode & S_IFDIR)) /* is it a directory */ + path = *argv; + /* + * mount(8) use realpath(3) before mounting file system, + * so let's do the same with the given path. + */ + if (realpath(path, resolved) == NULL || /* can create full path */ + stat(resolved, &st) == -1 || /* is it stat'able */ + !S_ISDIR(st.st_mode)) { /* is it a directory */ usage(); + } + path = resolved; } fscount = getmntinfo(&mntbuf, MNT_WAIT); |
