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security: report the module name to security_module_request

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For SELinux to do better filtering in userspace we send the name of the
module along with the AVC denial when a program is denied module_request.

Example output:

type=SYSCALL msg=audit(11/03/2009 10:59:43.510:9) : arch=x86_64 syscall=write success=yes exit=2 a0=3 a1=7fc28c0d56c0 a2=2 a3=7fffca0d7440 items=0 ppid=1727 pid=1729 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=rpc.nfsd exe=/usr/sbin/rpc.nfsd subj=system_u:system_r:nfsd_t:s0 key=(null)
type=AVC msg=audit(11/03/2009 10:59:43.510:9) : avc:  denied  { module_request } for  pid=1729 comm=rpc.nfsd kmod="net-pf-10" scontext=system_u:system_r:nfsd_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=system

Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Eric Paris
2009-11-03 16:35:32 +11:00
committed by James Morris
parent 6e65f92ff0
commit dd8dbf2e68
7 changed files with 36 additions and 20 deletions
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2
security/capability.c
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@@ -421,7 +421,7 @@ static int cap_kernel_create_files_as(struct cred *new, struct inode *inode)
return 0;
}
static int cap_kernel_module_request(void)
static int cap_kernel_module_request(char *kmod_name)
{
return 0;
}