From 98407f0a0d378df27bfea79301a3aba42d7cea1c Mon Sep 17 00:00:00 2001 From: John Johansen Date: Thu, 25 May 2017 06:31:46 -0700 Subject: [PATCH] apparmor: allow specifying an already created dir to create ns entries in Signed-off-by: John Johansen Reviewed-by: Seth Arnold Reviewed-by: Kees Cook --- security/apparmor/apparmorfs.c | 9 +++++---- security/apparmor/include/apparmorfs.h | 4 ++-- security/apparmor/policy_ns.c | 2 +- 3 files changed, 8 insertions(+), 7 deletions(-) diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c index 35b822c4a079..a18f14ab7a8b 100644 --- a/security/apparmor/apparmorfs.c +++ b/security/apparmor/apparmorfs.c @@ -1339,11 +1339,12 @@ static int __aafs_ns_mkdir_entries(struct aa_ns *ns, struct dentry *dir) /* * Requires: @ns->lock held */ -int __aafs_ns_mkdir(struct aa_ns *ns, struct dentry *parent, const char *name) +int __aafs_ns_mkdir(struct aa_ns *ns, struct dentry *parent, const char *name, + struct dentry *dent) { struct aa_ns *sub; struct aa_profile *child; - struct dentry *dent, *dir; + struct dentry *dir; int error; AA_BUG(!ns); @@ -1373,7 +1374,7 @@ int __aafs_ns_mkdir(struct aa_ns *ns, struct dentry *parent, const char *name) /* subnamespaces */ list_for_each_entry(sub, &ns->sub_ns, base.list) { mutex_lock(&sub->lock); - error = __aafs_ns_mkdir(sub, ns_subns_dir(ns), NULL); + error = __aafs_ns_mkdir(sub, ns_subns_dir(ns), NULL, NULL); mutex_unlock(&sub->lock); if (error) goto fail2; @@ -1929,7 +1930,7 @@ static int __init aa_create_aafs(void) ns_subremove(root_ns) = dent; mutex_lock(&root_ns->lock); - error = __aafs_ns_mkdir(root_ns, aa_sfs_entry.dentry, "policy"); + error = __aafs_ns_mkdir(root_ns, aa_sfs_entry.dentry, "policy", NULL); mutex_unlock(&root_ns->lock); if (error) diff --git a/security/apparmor/include/apparmorfs.h b/security/apparmor/include/apparmorfs.h index bcad87740cb6..071a59a1f056 100644 --- a/security/apparmor/include/apparmorfs.h +++ b/security/apparmor/include/apparmorfs.h @@ -112,8 +112,8 @@ void __aafs_profile_migrate_dents(struct aa_profile *old, struct aa_profile *new); int __aafs_profile_mkdir(struct aa_profile *profile, struct dentry *parent); void __aafs_ns_rmdir(struct aa_ns *ns); -int __aafs_ns_mkdir(struct aa_ns *ns, struct dentry *parent, - const char *name); +int __aafs_ns_mkdir(struct aa_ns *ns, struct dentry *parent, const char *name, + struct dentry *dent); struct aa_loaddata; void __aa_fs_remove_rawdata(struct aa_loaddata *rawdata); diff --git a/security/apparmor/policy_ns.c b/security/apparmor/policy_ns.c index 0a8bc4e887ef..7d7c23705be2 100644 --- a/security/apparmor/policy_ns.c +++ b/security/apparmor/policy_ns.c @@ -196,7 +196,7 @@ static struct aa_ns *__aa_create_ns(struct aa_ns *parent, const char *name, if (!ns) return NULL; mutex_lock(&ns->lock); - error = __aafs_ns_mkdir(ns, ns_subns_dir(parent), name); + error = __aafs_ns_mkdir(ns, ns_subns_dir(parent), name, dir); if (error) { AA_ERROR("Failed to create interface for ns %s\n", ns->base.name); -- GitLab