diff options
| -rw-r--r-- | security/smack/smack_lsm.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 7a3e9ab137d8..c7e37ed2799a 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -1463,10 +1463,19 @@ static int smack_inode_getsecurity(struct mnt_idmap *idmap, struct super_block *sbp; struct inode *ip = inode; struct smack_known *isp; + struct inode_smack *ispp; + size_t label_len; + char *label = NULL; - if (strcmp(name, XATTR_SMACK_SUFFIX) == 0) + if (strcmp(name, XATTR_SMACK_SUFFIX) == 0) { isp = smk_of_inode(inode); - else { + } else if (strcmp(name, XATTR_SMACK_TRANSMUTE) == 0) { + ispp = smack_inode(inode); + if (ispp->smk_flags & SMK_INODE_TRANSMUTE) + label = TRANS_TRUE; + else + label = ""; + } else { /* * The rest of the Smack xattrs are only on sockets. */ @@ -1488,13 +1497,18 @@ static int smack_inode_getsecurity(struct mnt_idmap *idmap, return -EOPNOTSUPP; } + if (!label) + label = isp->smk_known; + + label_len = strlen(label); + if (alloc) { - *buffer = kstrdup(isp->smk_known, GFP_KERNEL); + *buffer = kstrdup(label, GFP_KERNEL); if (*buffer == NULL) return -ENOMEM; } - return strlen(isp->smk_known); + return label_len; } |