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apparmor: Make aa_remove_profile() callable from a different view 

This is prep work for fs operations being able to remove namespaces.

Signed-off-by: John Johansen <john.johansen@canonical.com>
This commit is contained in:
John Johansen 2017-01-16 00:42:47 -08:00
parent ee2351e4b0
commit b79473f2de
3 changed files with 7 additions and 5 deletions
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3
security/apparmor/apparmorfs.c
View File

@ -180,7 +180,8 @@ static ssize_t profile_remove(struct file *f, const char __user *buf,
error = PTR_ERR(data);
if (!IS_ERR(data)) {
data[size] = 0;
error = aa_remove_profiles(data, size);
error = aa_remove_profiles(__aa_current_profile()->ns, data,
size);
kvfree(data);
}

2
security/apparmor/include/policy.h
View File

@ -187,7 +187,7 @@ struct aa_profile *aa_match_profile(struct aa_ns *ns, const char *name);
ssize_t aa_replace_profiles(struct aa_ns *view, void *udata, size_t size,
bool noreplace);
ssize_t aa_remove_profiles(char *name, size_t size);
ssize_t aa_remove_profiles(struct aa_ns *view, char *name, size_t size);
void __aa_profile_list_release(struct list_head *head);
#define PROF_ADD 1

7
security/apparmor/policy.c
View File

@ -944,6 +944,7 @@ free:
/**
* aa_remove_profiles - remove profile(s) from the system
* @view: namespace the remove is being done from
* @fqname: name of the profile or namespace to remove (NOT NULL)
* @size: size of the name
*
@ -954,9 +955,9 @@ free:
*
* Returns: size of data consume else error code if fails
*/
ssize_t aa_remove_profiles(char *fqname, size_t size)
ssize_t aa_remove_profiles(struct aa_ns *view, char *fqname, size_t size)
{
struct aa_ns *root, *ns = NULL;
struct aa_ns *root = NULL, *ns = NULL;
struct aa_profile *profile = NULL;
const char *name = fqname, *info = NULL;
ssize_t error = 0;
@ -967,7 +968,7 @@ ssize_t aa_remove_profiles(char *fqname, size_t size)
goto fail;
}
root = aa_current_profile()->ns;
root = view;
if (fqname[0] == ':') {
char *ns_name;