diff options
Diffstat (limited to 'mount/fstab.c')
| -rw-r--r-- | mount/fstab.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/mount/fstab.c b/mount/fstab.c index 3ee1f36a1..9329d1ce6 100644 --- a/mount/fstab.c +++ b/mount/fstab.c @@ -1,4 +1,4 @@ -/* 1999-02-22 Arkadiusz Mi¶kiewicz <misiek@misiek.eu.org> +/* 1999-02-22 Arkadiusz Mi¶kiewicz <misiek@pld.ORG.PL> * - added Native Language Support * Sun Mar 21 1999 - Arnaldo Carvalho de Melo <acme@conectiva.com.br> * - fixed strerr(errno) in gettext calls @@ -538,6 +538,16 @@ update_mtab (const char *dir, struct mntent *instead) { } my_endmntent (mftmp); + { /* + * If mount is setuid and some non-root user mounts sth, + * then mtab.tmp might get the group of this user. Copy uid/gid + * from the present mtab before renaming. + */ + struct stat sbuf; + if (stat (MOUNTED, &sbuf) == 0) + chown (MOUNTED_TEMP, sbuf.st_uid, sbuf.st_gid); + } + /* rename mtemp to mtab */ if (rename (MOUNTED_TEMP, MOUNTED) < 0) { int errsv = errno; |