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apparmor: mediate files when they are received 

Signed-off-by: John Johansen <john.johansen@canonical.com>
This commit is contained in:
John Johansen 2017-06-09 17:15:56 -07:00
parent 496c931966
commit 064dc9472f
2 changed files with 7 additions and 0 deletions
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1
security/apparmor/include/audit.h
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@ -64,6 +64,7 @@ enum audit_type {
#define OP_GETATTR "getattr"
#define OP_OPEN "open"
#define OP_FRECEIVE "file_receive"
#define OP_FPERM "file_perm"
#define OP_FLOCK "file_lock"
#define OP_FMMAP "file_mmap"

6
security/apparmor/lsm.c
View File

@ -456,6 +456,11 @@ static int common_file_perm(const char *op, struct file *file, u32 mask)
return error;
}
static int apparmor_file_receive(struct file *file)
{
return common_file_perm(OP_FRECEIVE, file, aa_map_file_to_perms(file));
}
static int apparmor_file_permission(struct file *file, int mask)
{
return common_file_perm(OP_FPERM, file, mask);
@ -665,6 +670,7 @@ static struct security_hook_list apparmor_hooks[] __lsm_ro_after_init = {
LSM_HOOK_INIT(inode_getattr, apparmor_inode_getattr),
LSM_HOOK_INIT(file_open, apparmor_file_open),
LSM_HOOK_INIT(file_receive, apparmor_file_receive),
LSM_HOOK_INIT(file_permission, apparmor_file_permission),
LSM_HOOK_INIT(file_alloc_security, apparmor_file_alloc_security),
LSM_HOOK_INIT(file_free_security, apparmor_file_free_security),