diff options
Diffstat (limited to 'security')
| -rw-r--r-- | security/selinux/avc.c | 15 | ||||
| -rw-r--r-- | security/selinux/hooks.c | 28 | ||||
| -rw-r--r-- | security/selinux/include/avc.h | 6 |
3 files changed, 24 insertions, 25 deletions
diff --git a/security/selinux/avc.c b/security/selinux/avc.c index e8529e2f51e..187964e88af 100644 --- a/security/selinux/avc.c +++ b/security/selinux/avc.c @@ -568,10 +568,11 @@ void avc_audit(u32 ssid, u32 tsid, audit_log_format(ab, " capability=%d", a->u.cap); break; case AVC_AUDIT_DATA_FS: - if (a->u.fs.dentry) { - struct dentry *dentry = a->u.fs.dentry; - if (a->u.fs.mnt) { - audit_log_d_path(ab, "path=", dentry, a->u.fs.mnt); + if (a->u.fs.path.dentry) { + struct dentry *dentry = a->u.fs.path.dentry; + if (a->u.fs.path.mnt) { + audit_log_d_path(ab, "path=", + &a->u.fs.path); } else { audit_log_format(ab, " name="); audit_log_untrustedstring(ab, dentry->d_name.name); @@ -626,8 +627,12 @@ void avc_audit(u32 ssid, u32 tsid, case AF_UNIX: u = unix_sk(sk); if (u->dentry) { + struct path path = { + .dentry = u->dentry, + .mnt = u->mnt + }; audit_log_d_path(ab, "path=", - u->dentry, u->mnt); + &path); break; } if (!u->addr) diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index ffeefa3c2c7..75c2e99bfb8 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -1356,8 +1356,8 @@ static inline int dentry_has_perm(struct task_struct *tsk, struct inode *inode = dentry->d_inode; struct avc_audit_data ad; AVC_AUDIT_DATA_INIT(&ad,FS); - ad.u.fs.mnt = mnt; - ad.u.fs.dentry = dentry; + ad.u.fs.path.mnt = mnt; + ad.u.fs.path.dentry = dentry; return inode_has_perm(tsk, inode, av, &ad); } @@ -1375,15 +1375,12 @@ static int file_has_perm(struct task_struct *tsk, { struct task_security_struct *tsec = tsk->security; struct file_security_struct *fsec = file->f_security; - struct vfsmount *mnt = file->f_path.mnt; - struct dentry *dentry = file->f_path.dentry; - struct inode *inode = dentry->d_inode; + struct inode *inode = file->f_path.dentry->d_inode; struct avc_audit_data ad; int rc; AVC_AUDIT_DATA_INIT(&ad, FS); - ad.u.fs.mnt = mnt; - ad.u.fs.dentry = dentry; + ad.u.fs.path = file->f_path; if (tsec->sid != fsec->sid) { rc = avc_has_perm(tsec->sid, fsec->sid, @@ -1418,7 +1415,7 @@ static int may_create(struct inode *dir, sbsec = dir->i_sb->s_security; AVC_AUDIT_DATA_INIT(&ad, FS); - ad.u.fs.dentry = dentry; + ad.u.fs.path.dentry = dentry; rc = avc_has_perm(tsec->sid, dsec->sid, SECCLASS_DIR, DIR__ADD_NAME | DIR__SEARCH, @@ -1476,7 +1473,7 @@ static int may_link(struct inode *dir, isec = dentry->d_inode->i_security; AVC_AUDIT_DATA_INIT(&ad, FS); - ad.u.fs.dentry = dentry; + ad.u.fs.path.dentry = dentry; av = DIR__SEARCH; av |= (kind ? DIR__REMOVE_NAME : DIR__ADD_NAME); @@ -1523,7 +1520,7 @@ static inline int may_rename(struct inode *old_dir, AVC_AUDIT_DATA_INIT(&ad, FS); - ad.u.fs.dentry = old_dentry; + ad.u.fs.path.dentry = old_dentry; rc = avc_has_perm(tsec->sid, old_dsec->sid, SECCLASS_DIR, DIR__REMOVE_NAME | DIR__SEARCH, &ad); if (rc) @@ -1539,7 +1536,7 @@ static inline int may_rename(struct inode *old_dir, return rc; } - ad.u.fs.dentry = new_dentry; + ad.u.fs.path.dentry = new_dentry; av = DIR__ADD_NAME | DIR__SEARCH; if (new_dentry->d_inode) av |= DIR__REMOVE_NAME; @@ -1918,8 +1915,7 @@ static int selinux_bprm_set_security(struct linux_binprm *bprm) } AVC_AUDIT_DATA_INIT(&ad, FS); - ad.u.fs.mnt = bprm->file->f_path.mnt; - ad.u.fs.dentry = bprm->file->f_path.dentry; + ad.u.fs.path = bprm->file->f_path; if (bprm->file->f_path.mnt->mnt_flags & MNT_NOSUID) newsid = tsec->sid; @@ -2315,7 +2311,7 @@ static int selinux_sb_kern_mount(struct super_block *sb, void *data) return rc; AVC_AUDIT_DATA_INIT(&ad,FS); - ad.u.fs.dentry = sb->s_root; + ad.u.fs.path.dentry = sb->s_root; return superblock_has_perm(current, sb, FILESYSTEM__MOUNT, &ad); } @@ -2324,7 +2320,7 @@ static int selinux_sb_statfs(struct dentry *dentry) struct avc_audit_data ad; AVC_AUDIT_DATA_INIT(&ad,FS); - ad.u.fs.dentry = dentry->d_sb->s_root; + ad.u.fs.path.dentry = dentry->d_sb->s_root; return superblock_has_perm(current, dentry->d_sb, FILESYSTEM__GETATTR, &ad); } @@ -2587,7 +2583,7 @@ static int selinux_inode_setxattr(struct dentry *dentry, char *name, void *value return -EPERM; AVC_AUDIT_DATA_INIT(&ad,FS); - ad.u.fs.dentry = dentry; + ad.u.fs.path.dentry = dentry; rc = avc_has_perm(tsec->sid, isec->sid, isec->sclass, FILE__RELABELFROM, &ad); diff --git a/security/selinux/include/avc.h b/security/selinux/include/avc.h index 80c28fa6621..8e23d7a873a 100644 --- a/security/selinux/include/avc.h +++ b/security/selinux/include/avc.h @@ -13,6 +13,7 @@ #include <linux/spinlock.h> #include <linux/init.h> #include <linux/in6.h> +#include <linux/path.h> #include <asm/system.h> #include "flask.h" #include "av_permissions.h" @@ -30,8 +31,6 @@ extern int selinux_enforcing; struct avc_entry; struct task_struct; -struct vfsmount; -struct dentry; struct inode; struct sock; struct sk_buff; @@ -46,8 +45,7 @@ struct avc_audit_data { struct task_struct *tsk; union { struct { - struct vfsmount *mnt; - struct dentry *dentry; + struct path path; struct inode *inode; } fs; struct { |