diff options
Diffstat (limited to 'security/selinux/exports.c')
| -rw-r--r-- | security/selinux/exports.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/security/selinux/exports.c b/security/selinux/exports.c new file mode 100644 index 00000000000..ae4c73eb308 --- /dev/null +++ b/security/selinux/exports.c @@ -0,0 +1,74 @@ +/* + * SELinux services exported to the rest of the kernel. + * + * Author: James Morris <jmorris@redhat.com> + * + * Copyright (C) 2005 Red Hat, Inc., James Morris <jmorris@redhat.com> + * Copyright (C) 2006 Trusted Computer Solutions, Inc. <dgoeddel@trustedcs.com> + * Copyright (C) 2006 IBM Corporation, Timothy R. Chavez <tinytim@us.ibm.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2, + * as published by the Free Software Foundation. + */ +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/selinux.h> +#include <linux/fs.h> +#include <linux/ipc.h> + +#include "security.h" +#include "objsec.h" + +void selinux_task_ctxid(struct task_struct *tsk, u32 *ctxid) +{ + struct task_security_struct *tsec = tsk->security; + if (selinux_enabled) + *ctxid = tsec->sid; + else + *ctxid = 0; +} + +int selinux_ctxid_to_string(u32 ctxid, char **ctx, u32 *ctxlen) +{ + if (selinux_enabled) + return security_sid_to_context(ctxid, ctx, ctxlen); + else { + *ctx = NULL; + *ctxlen = 0; + } + + return 0; +} + +void selinux_get_inode_sid(const struct inode *inode, u32 *sid) +{ + if (selinux_enabled) { + struct inode_security_struct *isec = inode->i_security; + *sid = isec->sid; + return; + } + *sid = 0; +} + +void selinux_get_ipc_sid(const struct kern_ipc_perm *ipcp, u32 *sid) +{ + if (selinux_enabled) { + struct ipc_security_struct *isec = ipcp->security; + *sid = isec->sid; + return; + } + *sid = 0; +} + +void selinux_get_task_sid(struct task_struct *tsk, u32 *sid) +{ + if (selinux_enabled) { + struct task_security_struct *tsec = tsk->security; + *sid = tsec->sid; + return; + } + *sid = 0; +} + |