diff options
Diffstat (limited to 'security/selinux/hooks.c')
| -rw-r--r-- | security/selinux/hooks.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index ca901025802a..2dabd58b126a 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -1978,7 +1978,7 @@ static inline u32 file_to_av(struct file *file) } /* - * Convert a file to an access vector and include the correct open + * Convert a file to an access vector and include the correct * open permission. */ static inline u32 open_file_to_av(struct file *file) @@ -3271,6 +3271,9 @@ static int selinux_inode_removexattr(struct dentry *dentry, const char *name) return dentry_has_perm(current_cred(), dentry, FILE__SETATTR); } + if (!selinux_initialized(&selinux_state)) + return 0; + /* No one is allowed to remove a SELinux security label. You can change the label, but all data must be labeled. */ return -EACCES; @@ -3606,26 +3609,20 @@ static int selinux_file_ioctl(struct file *file, unsigned int cmd, switch (cmd) { case FIONREAD: - /* fall through */ case FIBMAP: - /* fall through */ case FIGETBSZ: - /* fall through */ case FS_IOC_GETFLAGS: - /* fall through */ case FS_IOC_GETVERSION: error = file_has_perm(cred, file, FILE__GETATTR); break; case FS_IOC_SETFLAGS: - /* fall through */ case FS_IOC_SETVERSION: error = file_has_perm(cred, file, FILE__SETATTR); break; /* sys_ioctl() checks */ case FIONBIO: - /* fall through */ case FIOASYNC: error = file_has_perm(cred, file, 0); break; @@ -3715,7 +3712,7 @@ static int selinux_mmap_file(struct file *file, unsigned long reqprot, return rc; } - if (selinux_state.checkreqprot) + if (checkreqprot_get(&selinux_state)) prot = reqprot; return file_map_prot_check(file, prot, @@ -3729,7 +3726,7 @@ static int selinux_file_mprotect(struct vm_area_struct *vma, const struct cred *cred = current_cred(); u32 sid = cred_sid(cred); - if (selinux_state.checkreqprot) + if (checkreqprot_get(&selinux_state)) prot = reqprot; if (default_noexec && @@ -3783,7 +3780,7 @@ static int selinux_file_fcntl(struct file *file, unsigned int cmd, err = file_has_perm(cred, file, FILE__WRITE); break; } - /* fall through */ + fallthrough; case F_SETOWN: case F_SETSIG: case F_GETFL: @@ -4444,7 +4441,7 @@ static int selinux_skb_peerlbl_sid(struct sk_buff *skb, u16 family, u32 *sid) * * If @skb_sid is valid then the user:role:type information from @sk_sid is * combined with the MLS information from @skb_sid in order to create - * @conn_sid. If @skb_sid is not valid then then @conn_sid is simply a copy + * @conn_sid. If @skb_sid is not valid then @conn_sid is simply a copy * of @sk_sid. Returns zero on success, negative values on failure. * */ @@ -5314,7 +5311,7 @@ static int selinux_sctp_bind_connect(struct sock *sk, int optname, /* As selinux_sctp_bind_connect() is called by the * SCTP protocol layer, the socket is already locked, - * therefore selinux_netlbl_socket_connect_locked() is + * therefore selinux_netlbl_socket_connect_locked() * is called here. The situations handled are: * sctp_connectx(3), sctp_sendmsg(3), sendmsg(2), * whenever a new IP address is added or when a new @@ -7231,10 +7228,10 @@ static __init int selinux_init(void) memset(&selinux_state, 0, sizeof(selinux_state)); enforcing_set(&selinux_state, selinux_enforcing_boot); - selinux_state.checkreqprot = selinux_checkreqprot_boot; - selinux_ss_init(&selinux_state.ss); + checkreqprot_set(&selinux_state, selinux_checkreqprot_boot); selinux_avc_init(&selinux_state.avc); mutex_init(&selinux_state.status_lock); + mutex_init(&selinux_state.policy_mutex); /* Set the security state for the initial task. */ cred_init_security(); |