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OpenCloudOS-Kernel
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Merge branch 'smack-for-4.5' of https://github.com/cschaufler/smack-next into next

This commit is contained in:
James Morris 2015-12-26 16:11:13 +11:00
parent 37babe4ec6 81bd0d5629
commit aa98b942cb
1 changed files with 23 additions and 1 deletions
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24
security/smack/smack_lsm.c
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@ -1860,12 +1860,34 @@ static int smack_file_receive(struct file *file)
int may = 0;
struct smk_audit_info ad;
struct inode *inode = file_inode(file);
struct socket *sock;
struct task_smack *tsp;
struct socket_smack *ssp;
if (unlikely(IS_PRIVATE(inode)))
return 0;
smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH);
smk_ad_setfield_u_fs_path(&ad, file->f_path);
if (S_ISSOCK(inode->i_mode)) {
sock = SOCKET_I(inode);
ssp = sock->sk->sk_security;
tsp = current_security();
/*
* If the receiving process can't write to the
* passed socket or if the passed socket can't
* write to the receiving process don't accept
* the passed socket.
*/
rc = smk_access(tsp->smk_task, ssp->smk_out, MAY_WRITE, &ad);
rc = smk_bu_file(file, may, rc);
if (rc < 0)
return rc;
rc = smk_access(ssp->smk_in, tsp->smk_task, MAY_WRITE, &ad);
rc = smk_bu_file(file, may, rc);
return rc;
}
/*
* This code relies on bitmasks.
*/
@ -3758,7 +3780,7 @@ static int smack_socket_sendmsg(struct socket *sock, struct msghdr *msg,
if (sip == NULL)
return 0;
switch (sip->sin_family) {
switch (sock->sk->sk_family) {
case AF_INET:
rc = smack_netlabel_send(sock->sk, sip);
break;