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| author | John Johansen <john.johansen@canonical.com> | 2013-07-11 06:17:43 +0200 |
|---|---|---|
| committer | John Johansen <john.johansen@canonical.com> | 2013-08-14 20:42:07 +0200 |
| commit | 556d0be74b19cb6288e5eb2f3216eac247d87968 (patch) | |
| tree | a97b609d53713c4c2b534da7a5e1e62639939e11 /security/apparmor/apparmorfs.c | |
| parent | apparmor: add interface files for profiles and namespaces (diff) | |
| download | linux-556d0be74b19cb6288e5eb2f3216eac247d87968.tar.xz linux-556d0be74b19cb6288e5eb2f3216eac247d87968.zip | |
apparmor: add an optional profile attachment string for profiles
Add the ability to take in and report a human readable profile attachment
string for profiles so that attachment specifications can be easily
inspected.
Signed-off-by: John Johansen <john.johansen@canonical.com>
Acked-by: Seth Arnold <seth.arnold@canonical.com>
Diffstat (limited to 'security/apparmor/apparmorfs.c')
| -rw-r--r-- | security/apparmor/apparmorfs.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c index 0fdd08c6ea59..d6329aa7aa98 100644 --- a/security/apparmor/apparmorfs.c +++ b/security/apparmor/apparmorfs.c @@ -290,6 +290,34 @@ static const struct file_operations aa_fs_profmode_fops = { .release = aa_fs_seq_profile_release, }; +static int aa_fs_seq_profattach_show(struct seq_file *seq, void *v) +{ + struct aa_replacedby *r = seq->private; + struct aa_profile *profile = aa_get_profile_rcu(&r->profile); + if (profile->attach) + seq_printf(seq, "%s\n", profile->attach); + else if (profile->xmatch) + seq_puts(seq, "<unknown>\n"); + else + seq_printf(seq, "%s\n", profile->base.name); + aa_put_profile(profile); + + return 0; +} + +static int aa_fs_seq_profattach_open(struct inode *inode, struct file *file) +{ + return aa_fs_seq_profile_open(inode, file, aa_fs_seq_profattach_show); +} + +static const struct file_operations aa_fs_profattach_fops = { + .owner = THIS_MODULE, + .open = aa_fs_seq_profattach_open, + .read = seq_read, + .llseek = seq_lseek, + .release = aa_fs_seq_profile_release, +}; + /** fns to setup dynamic per profile/namespace files **/ void __aa_fs_profile_rmdir(struct aa_profile *profile) { @@ -385,6 +413,12 @@ int __aa_fs_profile_mkdir(struct aa_profile *profile, struct dentry *parent) goto fail; profile->dents[AAFS_PROF_MODE] = dent; + dent = create_profile_file(dir, "attach", profile, + &aa_fs_profattach_fops); + if (IS_ERR(dent)) + goto fail; + profile->dents[AAFS_PROF_ATTACH] = dent; + list_for_each_entry(child, &profile->base.profiles, base.list) { error = __aa_fs_profile_mkdir(child, prof_child_dir(profile)); if (error) |