extern unsigned int policydb_loaded_version;
extern int selinux_nlmsg_lookup(u16 sclass, u16 nlmsg_type, u32 *perm);
-extern int selinux_compat_net;
extern struct security_operations *security_ops;
/* SECMARK reference count */
ssec->sid = SECINITSID_UNLABELED;
sk->sk_security = ssec;
- selinux_netlbl_sk_security_reset(ssec, family);
+ selinux_netlbl_sk_security_reset(ssec);
return 0;
}
const struct cred *cred,
int cap, int audit)
{
- struct avc_audit_data ad;
+ struct common_audit_data ad;
struct av_decision avd;
u16 sclass;
u32 sid = cred_sid(cred);
u32 av = CAP_TO_MASK(cap);
int rc;
- AVC_AUDIT_DATA_INIT(&ad, CAP);
+ COMMON_AUDIT_DATA_INIT(&ad, CAP);
ad.tsk = tsk;
ad.u.cap = cap;
static int inode_has_perm(const struct cred *cred,
struct inode *inode,
u32 perms,
- struct avc_audit_data *adp)
+ struct common_audit_data *adp)
{
struct inode_security_struct *isec;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
u32 sid;
if (unlikely(IS_PRIVATE(inode)))
if (!adp) {
adp = &ad;
- AVC_AUDIT_DATA_INIT(&ad, FS);
+ COMMON_AUDIT_DATA_INIT(&ad, FS);
ad.u.fs.inode = inode;
}
u32 av)
{
struct inode *inode = dentry->d_inode;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
- AVC_AUDIT_DATA_INIT(&ad, FS);
+ COMMON_AUDIT_DATA_INIT(&ad, FS);
ad.u.fs.path.mnt = mnt;
ad.u.fs.path.dentry = dentry;
return inode_has_perm(cred, inode, av, &ad);
{
struct file_security_struct *fsec = file->f_security;
struct inode *inode = file->f_path.dentry->d_inode;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
u32 sid = cred_sid(cred);
int rc;
- AVC_AUDIT_DATA_INIT(&ad, FS);
+ COMMON_AUDIT_DATA_INIT(&ad, FS);
ad.u.fs.path = file->f_path;
if (sid != fsec->sid) {
struct inode_security_struct *dsec;
struct superblock_security_struct *sbsec;
u32 sid, newsid;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
int rc;
dsec = dir->i_security;
sid = tsec->sid;
newsid = tsec->create_sid;
- AVC_AUDIT_DATA_INIT(&ad, FS);
+ COMMON_AUDIT_DATA_INIT(&ad, FS);
ad.u.fs.path.dentry = dentry;
rc = avc_has_perm(sid, dsec->sid, SECCLASS_DIR,
{
struct inode_security_struct *dsec, *isec;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
u32 sid = current_sid();
u32 av;
int rc;
dsec = dir->i_security;
isec = dentry->d_inode->i_security;
- AVC_AUDIT_DATA_INIT(&ad, FS);
+ COMMON_AUDIT_DATA_INIT(&ad, FS);
ad.u.fs.path.dentry = dentry;
av = DIR__SEARCH;
struct dentry *new_dentry)
{
struct inode_security_struct *old_dsec, *new_dsec, *old_isec, *new_isec;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
u32 sid = current_sid();
u32 av;
int old_is_dir, new_is_dir;
old_is_dir = S_ISDIR(old_dentry->d_inode->i_mode);
new_dsec = new_dir->i_security;
- AVC_AUDIT_DATA_INIT(&ad, FS);
+ COMMON_AUDIT_DATA_INIT(&ad, FS);
ad.u.fs.path.dentry = old_dentry;
rc = avc_has_perm(sid, old_dsec->sid, SECCLASS_DIR,
static int superblock_has_perm(const struct cred *cred,
struct super_block *sb,
u32 perms,
- struct avc_audit_data *ad)
+ struct common_audit_data *ad)
{
struct superblock_security_struct *sbsec;
u32 sid = cred_sid(cred);
/* Hook functions begin here. */
-static int selinux_ptrace_may_access(struct task_struct *child,
+static int selinux_ptrace_access_check(struct task_struct *child,
unsigned int mode)
{
int rc;
- rc = cap_ptrace_may_access(child, mode);
+ rc = cap_ptrace_access_check(child, mode);
if (rc)
return rc;
u32 tsid, sid;
int rc;
- rc = secondary_ops->sysctl(table, op);
- if (rc)
- return rc;
-
sid = current_sid();
rc = selinux_sysctl_get_sid(table, (op == 0001) ?
const struct task_security_struct *old_tsec;
struct task_security_struct *new_tsec;
struct inode_security_struct *isec;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
struct inode *inode = bprm->file->f_path.dentry->d_inode;
int rc;
return rc;
}
- AVC_AUDIT_DATA_INIT(&ad, FS);
+ COMMON_AUDIT_DATA_INIT(&ad, FS);
ad.u.fs.path = bprm->file->f_path;
if (bprm->file->f_path.mnt->mnt_flags & MNT_NOSUID)
static inline void flush_unauthorized_files(const struct cred *cred,
struct files_struct *files)
{
- struct avc_audit_data ad;
+ struct common_audit_data ad;
struct file *file, *devnull = NULL;
struct tty_struct *tty;
struct fdtable *fdt;
/* Revalidate access to inherited open files. */
- AVC_AUDIT_DATA_INIT(&ad, FS);
+ COMMON_AUDIT_DATA_INIT(&ad, FS);
spin_lock(&files->file_lock);
for (;;) {
{
const struct task_security_struct *tsec = current_security();
struct itimerval itimer;
- struct sighand_struct *psig;
u32 osid, sid;
int rc, i;
- unsigned long flags;
osid = tsec->osid;
sid = tsec->sid;
memset(&itimer, 0, sizeof itimer);
for (i = 0; i < 3; i++)
do_setitimer(i, &itimer, NULL);
- flush_signals(current);
spin_lock_irq(¤t->sighand->siglock);
- flush_signal_handlers(current, 1);
- sigemptyset(¤t->blocked);
- recalc_sigpending();
+ if (!(current->signal->flags & SIGNAL_GROUP_EXIT)) {
+ __flush_signals(current);
+ flush_signal_handlers(current, 1);
+ sigemptyset(¤t->blocked);
+ }
spin_unlock_irq(¤t->sighand->siglock);
}
/* Wake up the parent if it is waiting so that it can recheck
* wait permission to the new task SID. */
- read_lock_irq(&tasklist_lock);
- psig = current->parent->sighand;
- spin_lock_irqsave(&psig->siglock, flags);
- wake_up_interruptible(¤t->parent->signal->wait_chldexit);
- spin_unlock_irqrestore(&psig->siglock, flags);
- read_unlock_irq(&tasklist_lock);
+ read_lock(&tasklist_lock);
+ wake_up_interruptible(¤t->real_parent->signal->wait_chldexit);
+ read_unlock(&tasklist_lock);
}
/* superblock security operations */
static int selinux_sb_kern_mount(struct super_block *sb, int flags, void *data)
{
const struct cred *cred = current_cred();
- struct avc_audit_data ad;
+ struct common_audit_data ad;
int rc;
rc = superblock_doinit(sb, data);
if (flags & MS_KERNMOUNT)
return 0;
- AVC_AUDIT_DATA_INIT(&ad, FS);
+ COMMON_AUDIT_DATA_INIT(&ad, FS);
ad.u.fs.path.dentry = sb->s_root;
return superblock_has_perm(cred, sb, FILESYSTEM__MOUNT, &ad);
}
static int selinux_sb_statfs(struct dentry *dentry)
{
const struct cred *cred = current_cred();
- struct avc_audit_data ad;
+ struct common_audit_data ad;
- AVC_AUDIT_DATA_INIT(&ad, FS);
+ COMMON_AUDIT_DATA_INIT(&ad, FS);
ad.u.fs.path.dentry = dentry->d_sb->s_root;
return superblock_has_perm(cred, dentry->d_sb, FILESYSTEM__GETATTR, &ad);
}
struct inode *inode = dentry->d_inode;
struct inode_security_struct *isec = inode->i_security;
struct superblock_security_struct *sbsec;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
u32 newsid, sid = current_sid();
int rc = 0;
if (!is_owner_or_cap(inode))
return -EPERM;
- AVC_AUDIT_DATA_INIT(&ad, FS);
+ COMMON_AUDIT_DATA_INIT(&ad, FS);
ad.u.fs.path.dentry = dentry;
rc = avc_has_perm(sid, isec->sid, isec->sclass,
static int selinux_revalidate_file_permission(struct file *file, int mask)
{
const struct cred *cred = current_cred();
- int rc;
struct inode *inode = file->f_path.dentry->d_inode;
- if (!mask) {
- /* No permission to check. Existence test. */
- return 0;
- }
-
/* file_mask_to_av won't add FILE__WRITE if MAY_APPEND is set */
if ((file->f_flags & O_APPEND) && (mask & MAY_WRITE))
mask |= MAY_APPEND;
- rc = file_has_perm(cred, file,
- file_mask_to_av(inode->i_mode, mask));
- if (rc)
- return rc;
-
- return selinux_netlbl_inode_permission(inode, mask);
+ return file_has_perm(cred, file,
+ file_mask_to_av(inode->i_mode, mask));
}
static int selinux_file_permission(struct file *file, int mask)
struct inode_security_struct *isec = inode->i_security;
u32 sid = current_sid();
- if (!mask) {
+ if (!mask)
/* No permission to check. Existence test. */
return 0;
- }
- if (sid == fsec->sid && fsec->isid == isec->sid
- && fsec->pseqno == avc_policy_seqno())
- return selinux_netlbl_inode_permission(inode, mask);
+ if (sid == fsec->sid && fsec->isid == isec->sid &&
+ fsec->pseqno == avc_policy_seqno())
+ /* No change since dentry_open check. */
+ return 0;
return selinux_revalidate_file_permission(file, mask);
}
int rc = 0;
u32 sid = current_sid();
- if (addr < mmap_min_addr)
+ /*
+ * notice that we are intentionally putting the SELinux check before
+ * the secondary cap_file_mmap check. This is such a likely attempt
+ * at bad behaviour/exploit that we always want to get the AVC, even
+ * if DAC would have also denied the operation.
+ */
+ if (addr < CONFIG_LSM_MMAP_MIN_ADDR) {
rc = avc_has_perm(sid, sid, SECCLASS_MEMPROTECT,
MEMPROTECT__MMAP_ZERO, NULL);
+ if (rc)
+ return rc;
+ }
+
+ /* do DAC check on address space usage */
+ rc = cap_file_mmap(file, reqprot, prot, flags, addr, addr_only);
if (rc || addr_only)
return rc;
struct fown_struct *fown, int signum)
{
struct file *file;
- u32 sid = current_sid();
+ u32 sid = task_sid(tsk);
u32 perm;
struct file_security_struct *fsec;
return 0;
}
+static int selinux_kernel_module_request(void)
+{
+ return task_has_system(current, SYSTEM__MODULE_REQUEST);
+}
+
static int selinux_task_setpgid(struct task_struct *p, pid_t pgid)
{
return current_has_perm(p, PROCESS__SETPGID);
/* Returns error only if unable to parse addresses */
static int selinux_parse_skb_ipv4(struct sk_buff *skb,
- struct avc_audit_data *ad, u8 *proto)
+ struct common_audit_data *ad, u8 *proto)
{
int offset, ihlen, ret = -EINVAL;
struct iphdr _iph, *ih;
/* Returns error only if unable to parse addresses */
static int selinux_parse_skb_ipv6(struct sk_buff *skb,
- struct avc_audit_data *ad, u8 *proto)
+ struct common_audit_data *ad, u8 *proto)
{
u8 nexthdr;
int ret = -EINVAL, offset;
#endif /* IPV6 */
-static int selinux_parse_skb(struct sk_buff *skb, struct avc_audit_data *ad,
+static int selinux_parse_skb(struct sk_buff *skb, struct common_audit_data *ad,
char **_addrp, int src, u8 *proto)
{
char *addrp;
u32 perms)
{
struct inode_security_struct *isec;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
u32 sid;
int err = 0;
goto out;
sid = task_sid(task);
- AVC_AUDIT_DATA_INIT(&ad, NET);
+ COMMON_AUDIT_DATA_INIT(&ad, NET);
ad.u.net.sk = sock->sk;
err = avc_has_perm(sid, isec->sid, isec->sclass, perms, &ad);
sksec = sock->sk->sk_security;
sksec->sid = isec->sid;
sksec->sclass = isec->sclass;
- err = selinux_netlbl_socket_post_create(sock);
+ err = selinux_netlbl_socket_post_create(sock->sk, family);
}
return err;
if (family == PF_INET || family == PF_INET6) {
char *addrp;
struct inode_security_struct *isec;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
struct sockaddr_in *addr4 = NULL;
struct sockaddr_in6 *addr6 = NULL;
unsigned short snum;
snum, &sid);
if (err)
goto out;
- AVC_AUDIT_DATA_INIT(&ad, NET);
+ COMMON_AUDIT_DATA_INIT(&ad, NET);
ad.u.net.sport = htons(snum);
ad.u.net.family = family;
err = avc_has_perm(isec->sid, sid,
if (err)
goto out;
- AVC_AUDIT_DATA_INIT(&ad, NET);
+ COMMON_AUDIT_DATA_INIT(&ad, NET);
ad.u.net.sport = htons(snum);
ad.u.net.family = family;
isec = SOCK_INODE(sock)->i_security;
if (isec->sclass == SECCLASS_TCP_SOCKET ||
isec->sclass == SECCLASS_DCCP_SOCKET) {
- struct avc_audit_data ad;
+ struct common_audit_data ad;
struct sockaddr_in *addr4 = NULL;
struct sockaddr_in6 *addr6 = NULL;
unsigned short snum;
perm = (isec->sclass == SECCLASS_TCP_SOCKET) ?
TCP_SOCKET__NAME_CONNECT : DCCP_SOCKET__NAME_CONNECT;
- AVC_AUDIT_DATA_INIT(&ad, NET);
+ COMMON_AUDIT_DATA_INIT(&ad, NET);
ad.u.net.dport = htons(snum);
ad.u.net.family = sk->sk_family;
err = avc_has_perm(isec->sid, sid, isec->sclass, perm, &ad);
static int selinux_socket_sendmsg(struct socket *sock, struct msghdr *msg,
int size)
{
- int rc;
-
- rc = socket_has_perm(current, sock, SOCKET__WRITE);
- if (rc)
- return rc;
-
- return selinux_netlbl_inode_permission(SOCK_INODE(sock), MAY_WRITE);
+ return socket_has_perm(current, sock, SOCKET__WRITE);
}
static int selinux_socket_recvmsg(struct socket *sock, struct msghdr *msg,
struct sk_security_struct *ssec;
struct inode_security_struct *isec;
struct inode_security_struct *other_isec;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
int err;
isec = SOCK_INODE(sock)->i_security;
other_isec = SOCK_INODE(other)->i_security;
- AVC_AUDIT_DATA_INIT(&ad, NET);
+ COMMON_AUDIT_DATA_INIT(&ad, NET);
ad.u.net.sk = other->sk;
err = avc_has_perm(isec->sid, other_isec->sid,
{
struct inode_security_struct *isec;
struct inode_security_struct *other_isec;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
int err;
isec = SOCK_INODE(sock)->i_security;
other_isec = SOCK_INODE(other)->i_security;
- AVC_AUDIT_DATA_INIT(&ad, NET);
+ COMMON_AUDIT_DATA_INIT(&ad, NET);
ad.u.net.sk = other->sk;
err = avc_has_perm(isec->sid, other_isec->sid,
static int selinux_inet_sys_rcv_skb(int ifindex, char *addrp, u16 family,
u32 peer_sid,
- struct avc_audit_data *ad)
+ struct common_audit_data *ad)
{
int err;
u32 if_sid;
SECCLASS_NODE, NODE__RECVFROM, ad);
}
-static int selinux_sock_rcv_skb_iptables_compat(struct sock *sk,
- struct sk_buff *skb,
- struct avc_audit_data *ad,
- u16 family,
- char *addrp)
-{
- int err;
- struct sk_security_struct *sksec = sk->sk_security;
- u16 sk_class;
- u32 netif_perm, node_perm, recv_perm;
- u32 port_sid, node_sid, if_sid, sk_sid;
-
- sk_sid = sksec->sid;
- sk_class = sksec->sclass;
-
- switch (sk_class) {
- case SECCLASS_UDP_SOCKET:
- netif_perm = NETIF__UDP_RECV;
- node_perm = NODE__UDP_RECV;
- recv_perm = UDP_SOCKET__RECV_MSG;
- break;
- case SECCLASS_TCP_SOCKET:
- netif_perm = NETIF__TCP_RECV;
- node_perm = NODE__TCP_RECV;
- recv_perm = TCP_SOCKET__RECV_MSG;
- break;
- case SECCLASS_DCCP_SOCKET:
- netif_perm = NETIF__DCCP_RECV;
- node_perm = NODE__DCCP_RECV;
- recv_perm = DCCP_SOCKET__RECV_MSG;
- break;
- default:
- netif_perm = NETIF__RAWIP_RECV;
- node_perm = NODE__RAWIP_RECV;
- recv_perm = 0;
- break;
- }
-
- err = sel_netif_sid(skb->iif, &if_sid);
- if (err)
- return err;
- err = avc_has_perm(sk_sid, if_sid, SECCLASS_NETIF, netif_perm, ad);
- if (err)
- return err;
-
- err = sel_netnode_sid(addrp, family, &node_sid);
- if (err)
- return err;
- err = avc_has_perm(sk_sid, node_sid, SECCLASS_NODE, node_perm, ad);
- if (err)
- return err;
-
- if (!recv_perm)
- return 0;
- err = sel_netport_sid(sk->sk_protocol,
- ntohs(ad->u.net.sport), &port_sid);
- if (unlikely(err)) {
- printk(KERN_WARNING
- "SELinux: failure in"
- " selinux_sock_rcv_skb_iptables_compat(),"
- " network port label not found\n");
- return err;
- }
- return avc_has_perm(sk_sid, port_sid, sk_class, recv_perm, ad);
-}
-
static int selinux_sock_rcv_skb_compat(struct sock *sk, struct sk_buff *skb,
u16 family)
{
struct sk_security_struct *sksec = sk->sk_security;
u32 peer_sid;
u32 sk_sid = sksec->sid;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
char *addrp;
- AVC_AUDIT_DATA_INIT(&ad, NET);
+ COMMON_AUDIT_DATA_INIT(&ad, NET);
ad.u.net.netif = skb->iif;
ad.u.net.family = family;
err = selinux_parse_skb(skb, &ad, &addrp, 1, NULL);
if (err)
return err;
- if (selinux_compat_net)
- err = selinux_sock_rcv_skb_iptables_compat(sk, skb, &ad,
- family, addrp);
- else if (selinux_secmark_enabled())
+ if (selinux_secmark_enabled()) {
err = avc_has_perm(sk_sid, skb->secmark, SECCLASS_PACKET,
PACKET__RECV, &ad);
- if (err)
- return err;
+ if (err)
+ return err;
+ }
if (selinux_policycap_netpeer) {
err = selinux_skb_peerlbl_sid(skb, family, &peer_sid);
struct sk_security_struct *sksec = sk->sk_security;
u16 family = sk->sk_family;
u32 sk_sid = sksec->sid;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
char *addrp;
u8 secmark_active;
u8 peerlbl_active;
* to the selinux_sock_rcv_skb_compat() function to deal with the
* special handling. We do this in an attempt to keep this function
* as fast and as clean as possible. */
- if (selinux_compat_net || !selinux_policycap_netpeer)
+ if (!selinux_policycap_netpeer)
return selinux_sock_rcv_skb_compat(sk, skb, family);
secmark_active = selinux_secmark_enabled();
if (!secmark_active && !peerlbl_active)
return 0;
- AVC_AUDIT_DATA_INIT(&ad, NET);
+ COMMON_AUDIT_DATA_INIT(&ad, NET);
ad.u.net.netif = skb->iif;
ad.u.net.family = family;
err = selinux_parse_skb(skb, &ad, &addrp, 1, NULL);
newssec->peer_sid = ssec->peer_sid;
newssec->sclass = ssec->sclass;
- selinux_netlbl_sk_security_reset(newssec, newsk->sk_family);
+ selinux_netlbl_sk_security_reset(newssec);
}
static void selinux_sk_getsecid(struct sock *sk, u32 *secid)
if (peersid == SECSID_NULL) {
req->secid = sksec->sid;
req->peer_secid = SECSID_NULL;
- return 0;
+ } else {
+ err = security_sid_mls_copy(sksec->sid, peersid, &newsid);
+ if (err)
+ return err;
+ req->secid = newsid;
+ req->peer_secid = peersid;
}
- err = security_sid_mls_copy(sksec->sid, peersid, &newsid);
- if (err)
- return err;
-
- req->secid = newsid;
- req->peer_secid = peersid;
- return 0;
+ return selinux_netlbl_inet_conn_request(req, family);
}
static void selinux_inet_csk_clone(struct sock *newsk,
/* We don't need to take any sort of lock here as we are the only
* thread with access to newsksec */
- selinux_netlbl_sk_security_reset(newsksec, req->rsk_ops->family);
+ selinux_netlbl_inet_csk_clone(newsk, req->rsk_ops->family);
}
static void selinux_inet_conn_established(struct sock *sk, struct sk_buff *skb)
family = PF_INET;
selinux_skb_peerlbl_sid(skb, family, &sksec->peer_sid);
-
- selinux_netlbl_inet_conn_established(sk, family);
}
static void selinux_req_classify_flow(const struct request_sock *req,
int err;
char *addrp;
u32 peer_sid;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
u8 secmark_active;
u8 netlbl_active;
u8 peerlbl_active;
if (selinux_skb_peerlbl_sid(skb, family, &peer_sid) != 0)
return NF_DROP;
- AVC_AUDIT_DATA_INIT(&ad, NET);
+ COMMON_AUDIT_DATA_INIT(&ad, NET);
ad.u.net.netif = ifindex;
ad.u.net.family = family;
if (selinux_parse_skb(skb, &ad, &addrp, 1, NULL) != 0)
return selinux_ip_output(skb, PF_INET);
}
-static int selinux_ip_postroute_iptables_compat(struct sock *sk,
- int ifindex,
- struct avc_audit_data *ad,
- u16 family, char *addrp)
-{
- int err;
- struct sk_security_struct *sksec = sk->sk_security;
- u16 sk_class;
- u32 netif_perm, node_perm, send_perm;
- u32 port_sid, node_sid, if_sid, sk_sid;
-
- sk_sid = sksec->sid;
- sk_class = sksec->sclass;
-
- switch (sk_class) {
- case SECCLASS_UDP_SOCKET:
- netif_perm = NETIF__UDP_SEND;
- node_perm = NODE__UDP_SEND;
- send_perm = UDP_SOCKET__SEND_MSG;
- break;
- case SECCLASS_TCP_SOCKET:
- netif_perm = NETIF__TCP_SEND;
- node_perm = NODE__TCP_SEND;
- send_perm = TCP_SOCKET__SEND_MSG;
- break;
- case SECCLASS_DCCP_SOCKET:
- netif_perm = NETIF__DCCP_SEND;
- node_perm = NODE__DCCP_SEND;
- send_perm = DCCP_SOCKET__SEND_MSG;
- break;
- default:
- netif_perm = NETIF__RAWIP_SEND;
- node_perm = NODE__RAWIP_SEND;
- send_perm = 0;
- break;
- }
-
- err = sel_netif_sid(ifindex, &if_sid);
- if (err)
- return err;
- err = avc_has_perm(sk_sid, if_sid, SECCLASS_NETIF, netif_perm, ad);
- return err;
-
- err = sel_netnode_sid(addrp, family, &node_sid);
- if (err)
- return err;
- err = avc_has_perm(sk_sid, node_sid, SECCLASS_NODE, node_perm, ad);
- if (err)
- return err;
-
- if (send_perm != 0)
- return 0;
-
- err = sel_netport_sid(sk->sk_protocol,
- ntohs(ad->u.net.dport), &port_sid);
- if (unlikely(err)) {
- printk(KERN_WARNING
- "SELinux: failure in"
- " selinux_ip_postroute_iptables_compat(),"
- " network port label not found\n");
- return err;
- }
- return avc_has_perm(sk_sid, port_sid, sk_class, send_perm, ad);
-}
-
static unsigned int selinux_ip_postroute_compat(struct sk_buff *skb,
int ifindex,
u16 family)
{
struct sock *sk = skb->sk;
struct sk_security_struct *sksec;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
char *addrp;
u8 proto;
return NF_ACCEPT;
sksec = sk->sk_security;
- AVC_AUDIT_DATA_INIT(&ad, NET);
+ COMMON_AUDIT_DATA_INIT(&ad, NET);
ad.u.net.netif = ifindex;
ad.u.net.family = family;
if (selinux_parse_skb(skb, &ad, &addrp, 0, &proto))
return NF_DROP;
- if (selinux_compat_net) {
- if (selinux_ip_postroute_iptables_compat(skb->sk, ifindex,
- &ad, family, addrp))
- return NF_DROP;
- } else if (selinux_secmark_enabled()) {
+ if (selinux_secmark_enabled())
if (avc_has_perm(sksec->sid, skb->secmark,
SECCLASS_PACKET, PACKET__SEND, &ad))
return NF_DROP;
- }
if (selinux_policycap_netpeer)
if (selinux_xfrm_postroute_last(sksec->sid, skb, &ad, proto))
u32 secmark_perm;
u32 peer_sid;
struct sock *sk;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
char *addrp;
u8 secmark_active;
u8 peerlbl_active;
* to the selinux_ip_postroute_compat() function to deal with the
* special handling. We do this in an attempt to keep this function
* as fast and as clean as possible. */
- if (selinux_compat_net || !selinux_policycap_netpeer)
+ if (!selinux_policycap_netpeer)
return selinux_ip_postroute_compat(skb, ifindex, family);
#ifdef CONFIG_XFRM
/* If skb->dst->xfrm is non-NULL then the packet is undergoing an IPsec
* when the packet is on it's final way out.
* NOTE: there appear to be some IPv6 multicast cases where skb->dst
* is NULL, in this case go ahead and apply access control. */
- if (skb->dst != NULL && skb->dst->xfrm != NULL)
+ if (skb_dst(skb) != NULL && skb_dst(skb)->xfrm != NULL)
return NF_ACCEPT;
#endif
secmark_active = selinux_secmark_enabled();
secmark_perm = PACKET__SEND;
}
- AVC_AUDIT_DATA_INIT(&ad, NET);
+ COMMON_AUDIT_DATA_INIT(&ad, NET);
ad.u.net.netif = ifindex;
ad.u.net.family = family;
if (selinux_parse_skb(skb, &ad, &addrp, 0, NULL))
static int selinux_netlink_recv(struct sk_buff *skb, int capability)
{
int err;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
err = cap_netlink_recv(skb, capability);
if (err)
return err;
- AVC_AUDIT_DATA_INIT(&ad, CAP);
+ COMMON_AUDIT_DATA_INIT(&ad, CAP);
ad.u.cap = capability;
return avc_has_perm(NETLINK_CB(skb).sid, NETLINK_CB(skb).sid,
u32 perms)
{
struct ipc_security_struct *isec;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
u32 sid = current_sid();
isec = ipc_perms->security;
- AVC_AUDIT_DATA_INIT(&ad, IPC);
+ COMMON_AUDIT_DATA_INIT(&ad, IPC);
ad.u.ipc_id = ipc_perms->key;
return avc_has_perm(sid, isec->sid, isec->sclass, perms, &ad);
static int selinux_msg_queue_alloc_security(struct msg_queue *msq)
{
struct ipc_security_struct *isec;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
u32 sid = current_sid();
int rc;
isec = msq->q_perm.security;
- AVC_AUDIT_DATA_INIT(&ad, IPC);
+ COMMON_AUDIT_DATA_INIT(&ad, IPC);
ad.u.ipc_id = msq->q_perm.key;
rc = avc_has_perm(sid, isec->sid, SECCLASS_MSGQ,
static int selinux_msg_queue_associate(struct msg_queue *msq, int msqflg)
{
struct ipc_security_struct *isec;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
u32 sid = current_sid();
isec = msq->q_perm.security;
- AVC_AUDIT_DATA_INIT(&ad, IPC);
+ COMMON_AUDIT_DATA_INIT(&ad, IPC);
ad.u.ipc_id = msq->q_perm.key;
return avc_has_perm(sid, isec->sid, SECCLASS_MSGQ,
{
struct ipc_security_struct *isec;
struct msg_security_struct *msec;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
u32 sid = current_sid();
int rc;
return rc;
}
- AVC_AUDIT_DATA_INIT(&ad, IPC);
+ COMMON_AUDIT_DATA_INIT(&ad, IPC);
ad.u.ipc_id = msq->q_perm.key;
/* Can this process write to the queue? */
{
struct ipc_security_struct *isec;
struct msg_security_struct *msec;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
u32 sid = task_sid(target);
int rc;
isec = msq->q_perm.security;
msec = msg->security;
- AVC_AUDIT_DATA_INIT(&ad, IPC);
+ COMMON_AUDIT_DATA_INIT(&ad, IPC);
ad.u.ipc_id = msq->q_perm.key;
rc = avc_has_perm(sid, isec->sid,
static int selinux_shm_alloc_security(struct shmid_kernel *shp)
{
struct ipc_security_struct *isec;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
u32 sid = current_sid();
int rc;
isec = shp->shm_perm.security;
- AVC_AUDIT_DATA_INIT(&ad, IPC);
+ COMMON_AUDIT_DATA_INIT(&ad, IPC);
ad.u.ipc_id = shp->shm_perm.key;
rc = avc_has_perm(sid, isec->sid, SECCLASS_SHM,
static int selinux_shm_associate(struct shmid_kernel *shp, int shmflg)
{
struct ipc_security_struct *isec;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
u32 sid = current_sid();
isec = shp->shm_perm.security;
- AVC_AUDIT_DATA_INIT(&ad, IPC);
+ COMMON_AUDIT_DATA_INIT(&ad, IPC);
ad.u.ipc_id = shp->shm_perm.key;
return avc_has_perm(sid, isec->sid, SECCLASS_SHM,
static int selinux_sem_alloc_security(struct sem_array *sma)
{
struct ipc_security_struct *isec;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
u32 sid = current_sid();
int rc;
isec = sma->sem_perm.security;
- AVC_AUDIT_DATA_INIT(&ad, IPC);
+ COMMON_AUDIT_DATA_INIT(&ad, IPC);
ad.u.ipc_id = sma->sem_perm.key;
rc = avc_has_perm(sid, isec->sid, SECCLASS_SEM,
static int selinux_sem_associate(struct sem_array *sma, int semflg)
{
struct ipc_security_struct *isec;
- struct avc_audit_data ad;
+ struct common_audit_data ad;
u32 sid = current_sid();
isec = sma->sem_perm.security;
- AVC_AUDIT_DATA_INIT(&ad, IPC);
+ COMMON_AUDIT_DATA_INIT(&ad, IPC);
ad.u.ipc_id = sma->sem_perm.key;
return avc_has_perm(sid, isec->sid, SECCLASS_SEM,
/* Only allow single threaded processes to change context */
error = -EPERM;
- if (!is_single_threaded(p)) {
+ if (!current_is_single_threaded()) {
error = security_bounded_transition(tsec->sid, sid);
if (error)
goto abort_change;
static struct security_operations selinux_ops = {
.name = "selinux",
- .ptrace_may_access = selinux_ptrace_may_access,
+ .ptrace_access_check = selinux_ptrace_access_check,
.ptrace_traceme = selinux_ptrace_traceme,
.capget = selinux_capget,
.capset = selinux_capset,
.cred_prepare = selinux_cred_prepare,
.kernel_act_as = selinux_kernel_act_as,
.kernel_create_files_as = selinux_kernel_create_files_as,
+ .kernel_module_request = selinux_kernel_module_request,
.task_setpgid = selinux_task_setpgid,
.task_getpgid = selinux_task_getpgid,
.task_getsid = selinux_task_getsid,
selinux_disabled = 1;
selinux_enabled = 0;
+ /* Try to destroy the avc node cache */
+ avc_disable();
+
/* Reset security_ops to the secondary module, dummy or capability. */
security_ops = secondary_ops;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff