diff options
| -rw-r--r-- | security/selinux/hooks.c | 4 | ||||
| -rw-r--r-- | security/selinux/include/security.h | 8 | ||||
| -rw-r--r-- | security/selinux/ss/services.c | 3 |
3 files changed, 13 insertions, 2 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index d7762264f262..7c37cdb3aba0 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -1478,7 +1478,9 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent /* Default to the fs superblock SID. */ sid = sbsec->sid; - if ((sbsec->flags & SE_SBGENFS) && !S_ISLNK(inode->i_mode)) { + if ((sbsec->flags & SE_SBGENFS) && + (!S_ISLNK(inode->i_mode) || + selinux_policycap_genfs_seclabel_symlinks())) { /* We must have a dentry to determine the label on * procfs inodes */ if (opt_dentry) { diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h index f3a621058aba..d6036c018cf2 100644 --- a/security/selinux/include/security.h +++ b/security/selinux/include/security.h @@ -79,6 +79,7 @@ enum { POLICYDB_CAPABILITY_ALWAYSNETWORK, POLICYDB_CAPABILITY_CGROUPSECLABEL, POLICYDB_CAPABILITY_NNP_NOSUID_TRANSITION, + POLICYDB_CAPABILITY_GENFS_SECLABEL_SYMLINKS, __POLICYDB_CAPABILITY_MAX }; #define POLICYDB_CAPABILITY_MAX (__POLICYDB_CAPABILITY_MAX - 1) @@ -213,6 +214,13 @@ static inline bool selinux_policycap_nnp_nosuid_transition(void) return state->policycap[POLICYDB_CAPABILITY_NNP_NOSUID_TRANSITION]; } +static inline bool selinux_policycap_genfs_seclabel_symlinks(void) +{ + struct selinux_state *state = &selinux_state; + + return state->policycap[POLICYDB_CAPABILITY_GENFS_SECLABEL_SYMLINKS]; +} + int security_mls_enabled(struct selinux_state *state); int security_load_policy(struct selinux_state *state, void *data, size_t len); diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c index 922b5e4a03e8..e310f8ee21a1 100644 --- a/security/selinux/ss/services.c +++ b/security/selinux/ss/services.c @@ -72,7 +72,8 @@ const char *selinux_policycap_names[__POLICYDB_CAPABILITY_MAX] = { "extended_socket_class", "always_check_network", "cgroup_seclabel", - "nnp_nosuid_transition" + "nnp_nosuid_transition", + "genfs_seclabel_symlinks" }; static struct selinux_ss selinux_ss; |