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-rw-r--r--security/selinux/avc.c31
-rw-r--r--security/selinux/hooks.c67
-rw-r--r--security/selinux/include/avc.h9
3 files changed, 16 insertions, 91 deletions
diff --git a/security/selinux/avc.c b/security/selinux/avc.c
index cd91e25667d1..c03a964ffde2 100644
--- a/security/selinux/avc.c
+++ b/security/selinux/avc.c
@@ -436,9 +436,9 @@ static void avc_audit_pre_callback(struct audit_buffer *ab, void *a)
{
struct common_audit_data *ad = a;
audit_log_format(ab, "avc: %s ",
- ad->selinux_audit_data->slad->denied ? "denied" : "granted");
- avc_dump_av(ab, ad->selinux_audit_data->slad->tclass,
- ad->selinux_audit_data->slad->audited);
+ ad->selinux_audit_data->denied ? "denied" : "granted");
+ avc_dump_av(ab, ad->selinux_audit_data->tclass,
+ ad->selinux_audit_data->audited);
audit_log_format(ab, " for ");
}
@@ -452,9 +452,9 @@ static void avc_audit_post_callback(struct audit_buffer *ab, void *a)
{
struct common_audit_data *ad = a;
audit_log_format(ab, " ");
- avc_dump_query(ab, ad->selinux_audit_data->slad->ssid,
- ad->selinux_audit_data->slad->tsid,
- ad->selinux_audit_data->slad->tclass);
+ avc_dump_query(ab, ad->selinux_audit_data->ssid,
+ ad->selinux_audit_data->tsid,
+ ad->selinux_audit_data->tclass);
}
/* This is the slow part of avc audit with big stack footprint */
@@ -464,13 +464,11 @@ noinline int slow_avc_audit(u32 ssid, u32 tsid, u16 tclass,
unsigned flags)
{
struct common_audit_data stack_data;
- struct selinux_audit_data sad = {0,};
- struct selinux_late_audit_data slad;
+ struct selinux_audit_data sad;
if (!a) {
a = &stack_data;
a->type = LSM_AUDIT_DATA_NONE;
- a->selinux_audit_data = &sad;
}
/*
@@ -484,14 +482,15 @@ noinline int slow_avc_audit(u32 ssid, u32 tsid, u16 tclass,
(flags & MAY_NOT_BLOCK))
return -ECHILD;
- slad.tclass = tclass;
- slad.requested = requested;
- slad.ssid = ssid;
- slad.tsid = tsid;
- slad.audited = audited;
- slad.denied = denied;
+ sad.tclass = tclass;
+ sad.requested = requested;
+ sad.ssid = ssid;
+ sad.tsid = tsid;
+ sad.audited = audited;
+ sad.denied = denied;
+
+ a->selinux_audit_data = &sad;
- a->selinux_audit_data->slad = &slad;
common_lsm_audit(a, avc_audit_pre_callback, avc_audit_post_callback);
return 0;
}
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index d9fa2489a551..2578de549ad7 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -1420,7 +1420,6 @@ static int cred_has_capability(const struct cred *cred,
int cap, int audit)
{
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
struct av_decision avd;
u16 sclass;
u32 sid = cred_sid(cred);
@@ -1428,7 +1427,6 @@ static int cred_has_capability(const struct cred *cred,
int rc;
ad.type = LSM_AUDIT_DATA_CAP;
- ad.selinux_audit_data = &sad;
ad.u.cap = cap;
switch (CAP_TO_INDEX(cap)) {
@@ -1496,11 +1494,9 @@ static inline int dentry_has_perm(const struct cred *cred,
{
struct inode *inode = dentry->d_inode;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
ad.type = LSM_AUDIT_DATA_DENTRY;
ad.u.dentry = dentry;
- ad.selinux_audit_data = &sad;
return inode_has_perm(cred, inode, av, &ad, 0);
}
@@ -1513,11 +1509,9 @@ static inline int path_has_perm(const struct cred *cred,
{
struct inode *inode = path->dentry->d_inode;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
ad.type = LSM_AUDIT_DATA_PATH;
ad.u.path = *path;
- ad.selinux_audit_data = &sad;
return inode_has_perm(cred, inode, av, &ad, 0);
}
@@ -1536,13 +1530,11 @@ static int file_has_perm(const struct cred *cred,
struct file_security_struct *fsec = file->f_security;
struct inode *inode = file->f_path.dentry->d_inode;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
u32 sid = cred_sid(cred);
int rc;
ad.type = LSM_AUDIT_DATA_PATH;
ad.u.path = file->f_path;
- ad.selinux_audit_data = &sad;
if (sid != fsec->sid) {
rc = avc_has_perm(sid, fsec->sid,
@@ -1572,7 +1564,6 @@ static int may_create(struct inode *dir,
struct superblock_security_struct *sbsec;
u32 sid, newsid;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
int rc;
dsec = dir->i_security;
@@ -1583,7 +1574,6 @@ static int may_create(struct inode *dir,
ad.type = LSM_AUDIT_DATA_DENTRY;
ad.u.dentry = dentry;
- ad.selinux_audit_data = &sad;
rc = avc_has_perm(sid, dsec->sid, SECCLASS_DIR,
DIR__ADD_NAME | DIR__SEARCH,
@@ -1628,7 +1618,6 @@ static int may_link(struct inode *dir,
{
struct inode_security_struct *dsec, *isec;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
u32 sid = current_sid();
u32 av;
int rc;
@@ -1638,7 +1627,6 @@ static int may_link(struct inode *dir,
ad.type = LSM_AUDIT_DATA_DENTRY;
ad.u.dentry = dentry;
- ad.selinux_audit_data = &sad;
av = DIR__SEARCH;
av |= (kind ? DIR__REMOVE_NAME : DIR__ADD_NAME);
@@ -1673,7 +1661,6 @@ static inline int may_rename(struct inode *old_dir,
{
struct inode_security_struct *old_dsec, *new_dsec, *old_isec, *new_isec;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
u32 sid = current_sid();
u32 av;
int old_is_dir, new_is_dir;
@@ -1685,7 +1672,6 @@ static inline int may_rename(struct inode *old_dir,
new_dsec = new_dir->i_security;
ad.type = LSM_AUDIT_DATA_DENTRY;
- ad.selinux_audit_data = &sad;
ad.u.dentry = old_dentry;
rc = avc_has_perm(sid, old_dsec->sid, SECCLASS_DIR,
@@ -1971,7 +1957,6 @@ static int selinux_bprm_set_creds(struct linux_binprm *bprm)
struct task_security_struct *new_tsec;
struct inode_security_struct *isec;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
struct inode *inode = bprm->file->f_path.dentry->d_inode;
int rc;
@@ -2011,7 +1996,6 @@ static int selinux_bprm_set_creds(struct linux_binprm *bprm)
}
ad.type = LSM_AUDIT_DATA_PATH;
- ad.selinux_audit_data = &sad;
ad.u.path = bprm->file->f_path;
if (bprm->file->f_path.mnt->mnt_flags & MNT_NOSUID)
@@ -2101,7 +2085,6 @@ static inline void flush_unauthorized_files(const struct cred *cred,
struct files_struct *files)
{
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
struct file *file, *devnull = NULL;
struct tty_struct *tty;
struct fdtable *fdt;
@@ -2135,7 +2118,6 @@ static inline void flush_unauthorized_files(const struct cred *cred,
/* Revalidate access to inherited open files. */
ad.type = LSM_AUDIT_DATA_INODE;
- ad.selinux_audit_data = &sad;
spin_lock(&files->file_lock);
for (;;) {
@@ -2473,7 +2455,6 @@ static int selinux_sb_kern_mount(struct super_block *sb, int flags, void *data)
{
const struct cred *cred = current_cred();
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
int rc;
rc = superblock_doinit(sb, data);
@@ -2485,7 +2466,6 @@ static int selinux_sb_kern_mount(struct super_block *sb, int flags, void *data)
return 0;
ad.type = LSM_AUDIT_DATA_DENTRY;
- ad.selinux_audit_data = &sad;
ad.u.dentry = sb->s_root;
return superblock_has_perm(cred, sb, FILESYSTEM__MOUNT, &ad);
}
@@ -2494,10 +2474,8 @@ static int selinux_sb_statfs(struct dentry *dentry)
{
const struct cred *cred = current_cred();
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
ad.type = LSM_AUDIT_DATA_DENTRY;
- ad.selinux_audit_data = &sad;
ad.u.dentry = dentry->d_sb->s_root;
return superblock_has_perm(cred, dentry->d_sb, FILESYSTEM__GETATTR, &ad);
}
@@ -2662,12 +2640,10 @@ static noinline int audit_inode_permission(struct inode *inode,
unsigned flags)
{
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
struct inode_security_struct *isec = inode->i_security;
int rc;
ad.type = LSM_AUDIT_DATA_INODE;
- ad.selinux_audit_data = &sad;
ad.u.inode = inode;
rc = slow_avc_audit(current_sid(), isec->sid, isec->sclass, perms,
@@ -2782,7 +2758,6 @@ static int selinux_inode_setxattr(struct dentry *dentry, const char *name,
struct inode_security_struct *isec = inode->i_security;
struct superblock_security_struct *sbsec;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
u32 newsid, sid = current_sid();
int rc = 0;
@@ -2797,7 +2772,6 @@ static int selinux_inode_setxattr(struct dentry *dentry, const char *name,
return -EPERM;
ad.type = LSM_AUDIT_DATA_DENTRY;
- ad.selinux_audit_data = &sad;
ad.u.dentry = dentry;
rc = avc_has_perm(sid, isec->sid, isec->sclass,
@@ -3407,12 +3381,10 @@ static int selinux_kernel_module_request(char *kmod_name)
{
u32 sid;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
sid = task_sid(current);
ad.type = LSM_AUDIT_DATA_KMOD;
- ad.selinux_audit_data = &sad;
ad.u.kmod_name = kmod_name;
return avc_has_perm(sid, SECINITSID_KERNEL, SECCLASS_SYSTEM,
@@ -3785,7 +3757,6 @@ static int sock_has_perm(struct task_struct *task, struct sock *sk, u32 perms)
{
struct sk_security_struct *sksec = sk->sk_security;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
struct lsm_network_audit net = {0,};
u32 tsid = task_sid(task);
@@ -3793,7 +3764,6 @@ static int sock_has_perm(struct task_struct *task, struct sock *sk, u32 perms)
return 0;
ad.type = LSM_AUDIT_DATA_NET;
- ad.selinux_audit_data = &sad;
ad.u.net = &net;
ad.u.net->sk = sk;
@@ -3873,7 +3843,6 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in
char *addrp;
struct sk_security_struct *sksec = sk->sk_security;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
struct lsm_network_audit net = {0,};
struct sockaddr_in *addr4 = NULL;
struct sockaddr_in6 *addr6 = NULL;
@@ -3901,7 +3870,6 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in
if (err)
goto out;
ad.type = LSM_AUDIT_DATA_NET;
- ad.selinux_audit_data = &sad;
ad.u.net = &net;
ad.u.net->sport = htons(snum);
ad.u.net->family = family;
@@ -3936,7 +3904,6 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in
goto out;
ad.type = LSM_AUDIT_DATA_NET;
- ad.selinux_audit_data = &sad;
ad.u.net = &net;
ad.u.net->sport = htons(snum);
ad.u.net->family = family;
@@ -3971,7 +3938,6 @@ static int selinux_socket_connect(struct socket *sock, struct sockaddr *address,
if (sksec->sclass == SECCLASS_TCP_SOCKET ||
sksec->sclass == SECCLASS_DCCP_SOCKET) {
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
struct lsm_network_audit net = {0,};
struct sockaddr_in *addr4 = NULL;
struct sockaddr_in6 *addr6 = NULL;
@@ -3998,7 +3964,6 @@ static int selinux_socket_connect(struct socket *sock, struct sockaddr *address,
TCP_SOCKET__NAME_CONNECT : DCCP_SOCKET__NAME_CONNECT;
ad.type = LSM_AUDIT_DATA_NET;
- ad.selinux_audit_data = &sad;
ad.u.net = &net;
ad.u.net->dport = htons(snum);
ad.u.net->family = sk->sk_family;
@@ -4090,12 +4055,10 @@ static int selinux_socket_unix_stream_connect(struct sock *sock,
struct sk_security_struct *sksec_other = other->sk_security;
struct sk_security_struct *sksec_new = newsk->sk_security;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
struct lsm_network_audit net = {0,};
int err;
ad.type = LSM_AUDIT_DATA_NET;
- ad.selinux_audit_data = &sad;
ad.u.net = &net;
ad.u.net->sk = other;
@@ -4124,11 +4087,9 @@ static int selinux_socket_unix_may_send(struct socket *sock,
struct sk_security_struct *ssec = sock->sk->sk_security;
struct sk_security_struct *osec = other->sk->sk_security;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
struct lsm_network_audit net = {0,};
ad.type = LSM_AUDIT_DATA_NET;
- ad.selinux_audit_data = &sad;
ad.u.net = &net;
ad.u.net->sk = other->sk;
@@ -4166,12 +4127,10 @@ static int selinux_sock_rcv_skb_compat(struct sock *sk, struct sk_buff *skb,
struct sk_security_struct *sksec = sk->sk_security;
u32 sk_sid = sksec->sid;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
struct lsm_network_audit net = {0,};
char *addrp;
ad.type = LSM_AUDIT_DATA_NET;
- ad.selinux_audit_data = &sad;
ad.u.net = &net;
ad.u.net->netif = skb->skb_iif;
ad.u.net->family = family;
@@ -4201,7 +4160,6 @@ static int selinux_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
u16 family = sk->sk_family;
u32 sk_sid = sksec->sid;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
struct lsm_network_audit net = {0,};
char *addrp;
u8 secmark_active;
@@ -4227,7 +4185,6 @@ static int selinux_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
return 0;
ad.type = LSM_AUDIT_DATA_NET;
- ad.selinux_audit_data = &sad;
ad.u.net = &net;
ad.u.net->netif = skb->skb_iif;
ad.u.net->family = family;
@@ -4565,7 +4522,6 @@ static unsigned int selinux_ip_forward(struct sk_buff *skb, int ifindex,
char *addrp;
u32 peer_sid;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
struct lsm_network_audit net = {0,};
u8 secmark_active;
u8 netlbl_active;
@@ -4584,7 +4540,6 @@ static unsigned int selinux_ip_forward(struct sk_buff *skb, int ifindex,
return NF_DROP;
ad.type = LSM_AUDIT_DATA_NET;
- ad.selinux_audit_data = &sad;
ad.u.net = &net;
ad.u.net->netif = ifindex;
ad.u.net->family = family;
@@ -4674,7 +4629,6 @@ static unsigned int selinux_ip_postroute_compat(struct sk_buff *skb,
struct sock *sk = skb->sk;
struct sk_security_struct *sksec;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
struct lsm_network_audit net = {0,};
char *addrp;
u8 proto;
@@ -4684,7 +4638,6 @@ static unsigned int selinux_ip_postroute_compat(struct sk_buff *skb,
sksec = sk->sk_security;
ad.type = LSM_AUDIT_DATA_NET;
- ad.selinux_audit_data = &sad;
ad.u.net = &net;
ad.u.net->netif = ifindex;
ad.u.net->family = family;
@@ -4709,7 +4662,6 @@ static unsigned int selinux_ip_postroute(struct sk_buff *skb, int ifindex,
u32 peer_sid;
struct sock *sk;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
struct lsm_network_audit net = {0,};
char *addrp;
u8 secmark_active;
@@ -4757,7 +4709,6 @@ static unsigned int selinux_ip_postroute(struct sk_buff *skb, int ifindex,
}
ad.type = LSM_AUDIT_DATA_NET;
- ad.selinux_audit_data = &sad;
ad.u.net = &net;
ad.u.net->netif = ifindex;
ad.u.net->family = family;
@@ -4875,13 +4826,11 @@ static int ipc_has_perm(struct kern_ipc_perm *ipc_perms,
{
struct ipc_security_struct *isec;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
u32 sid = current_sid();
isec = ipc_perms->security;
ad.type = LSM_AUDIT_DATA_IPC;
- ad.selinux_audit_data = &sad;
ad.u.ipc_id = ipc_perms->key;
return avc_has_perm(sid, isec->sid, isec->sclass, perms, &ad);
@@ -4902,7 +4851,6 @@ static int selinux_msg_queue_alloc_security(struct msg_queue *msq)
{
struct ipc_security_struct *isec;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
u32 sid = current_sid();
int rc;
@@ -4913,7 +4861,6 @@ static int selinux_msg_queue_alloc_security(struct msg_queue *msq)
isec = msq->q_perm.security;
ad.type = LSM_AUDIT_DATA_IPC;
- ad.selinux_audit_data = &sad;
ad.u.ipc_id = msq->q_perm.key;
rc = avc_has_perm(sid, isec->sid, SECCLASS_MSGQ,
@@ -4934,13 +4881,11 @@ static int selinux_msg_queue_associate(struct msg_queue *msq, int msqflg)
{
struct ipc_security_struct *isec;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
u32 sid = current_sid();
isec = msq->q_perm.security;
ad.type = LSM_AUDIT_DATA_IPC;
- ad.selinux_audit_data = &sad;
ad.u.ipc_id = msq->q_perm.key;
return avc_has_perm(sid, isec->sid, SECCLASS_MSGQ,
@@ -4980,7 +4925,6 @@ static int selinux_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg,
struct ipc_security_struct *isec;
struct msg_security_struct *msec;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
u32 sid = current_sid();
int rc;
@@ -5002,7 +4946,6 @@ static int selinux_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg,
}
ad.type = LSM_AUDIT_DATA_IPC;
- ad.selinux_audit_data = &sad;
ad.u.ipc_id = msq->q_perm.key;
/* Can this process write to the queue? */
@@ -5027,7 +4970,6 @@ static int selinux_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
struct ipc_security_struct *isec;
struct msg_security_struct *msec;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
u32 sid = task_sid(target);
int rc;
@@ -5035,7 +4977,6 @@ static int selinux_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
msec = msg->security;
ad.type = LSM_AUDIT_DATA_IPC;
- ad.selinux_audit_data = &sad;
ad.u.ipc_id = msq->q_perm.key;
rc = avc_has_perm(sid, isec->sid,
@@ -5051,7 +4992,6 @@ static int selinux_shm_alloc_security(struct shmid_kernel *shp)
{
struct ipc_security_struct *isec;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
u32 sid = current_sid();
int rc;
@@ -5062,7 +5002,6 @@ static int selinux_shm_alloc_security(struct shmid_kernel *shp)
isec = shp->shm_perm.security;
ad.type = LSM_AUDIT_DATA_IPC;
- ad.selinux_audit_data = &sad;
ad.u.ipc_id = shp->shm_perm.key;
rc = avc_has_perm(sid, isec->sid, SECCLASS_SHM,
@@ -5083,13 +5022,11 @@ static int selinux_shm_associate(struct shmid_kernel *shp, int shmflg)
{
struct ipc_security_struct *isec;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
u32 sid = current_sid();
isec = shp->shm_perm.security;
ad.type = LSM_AUDIT_DATA_IPC;
- ad.selinux_audit_data = &sad;
ad.u.ipc_id = shp->shm_perm.key;
return avc_has_perm(sid, isec->sid, SECCLASS_SHM,
@@ -5147,7 +5084,6 @@ static int selinux_sem_alloc_security(struct sem_array *sma)
{
struct ipc_security_struct *isec;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
u32 sid = current_sid();
int rc;
@@ -5158,7 +5094,6 @@ static int selinux_sem_alloc_security(struct sem_array *sma)
isec = sma->sem_perm.security;
ad.type = LSM_AUDIT_DATA_IPC;
- ad.selinux_audit_data = &sad;
ad.u.ipc_id = sma->sem_perm.key;
rc = avc_has_perm(sid, isec->sid, SECCLASS_SEM,
@@ -5179,13 +5114,11 @@ static int selinux_sem_associate(struct sem_array *sma, int semflg)
{
struct ipc_security_struct *isec;
struct common_audit_data ad;
- struct selinux_audit_data sad = {0,};
u32 sid = current_sid();
isec = sma->sem_perm.security;
ad.type = LSM_AUDIT_DATA_IPC;
- ad.selinux_audit_data = &sad;
ad.u.ipc_id = sma->sem_perm.key;
return avc_has_perm(sid, isec->sid, SECCLASS_SEM,
diff --git a/security/selinux/include/avc.h b/security/selinux/include/avc.h
index faa277729cb4..d97fadc4d963 100644
--- a/security/selinux/include/avc.h
+++ b/security/selinux/include/avc.h
@@ -49,7 +49,7 @@ struct avc_cache_stats {
/*
* We only need this data after we have decided to send an audit message.
*/
-struct selinux_late_audit_data {
+struct selinux_audit_data {
u32 ssid;
u32 tsid;
u16 tclass;
@@ -60,13 +60,6 @@ struct selinux_late_audit_data {
};
/*
- * We collect this at the beginning or during an selinux security operation
- */
-struct selinux_audit_data {
- struct selinux_late_audit_data *slad;
-};
-
-/*
* AVC operations
*/
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