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authorRichard Guy Briggs <rgb@redhat.com>2019-01-23 21:36:25 -0500
committerPaul Moore <paul@paul-moore.com>2019-01-25 13:31:23 -0500
commit2fec30e245a3b46fef89c4cb1f74eefc5fbb29a6 (patch)
tree30f896171576cf88bf31c1cdd6c26140ab1ab47f /kernel/audit.c
parent4b7d248b3a1de483ffe9d05c1debbf32a544164d (diff)
audit: add support for fcaps v3
V3 namespaced file capabilities were introduced in commit 8db6c34f1dbc ("Introduce v3 namespaced file capabilities") Add support for these by adding the "frootid" field to the existing fcaps fields in the NAME and BPRM_FCAPS records. Please see github issue https://github.com/linux-audit/audit-kernel/issues/103 Signed-off-by: Richard Guy Briggs <rgb@redhat.com> Acked-by: Serge Hallyn <serge@hallyn.com> [PM: comment tweak to fit an 80 char line width] Signed-off-by: Paul Moore <paul@paul-moore.com>
Diffstat (limited to 'kernel/audit.c')
-rw-r--r--kernel/audit.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/audit.c b/kernel/audit.c
index 2a32f304223d..3f3f1888cac7 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -2084,8 +2084,9 @@ static void audit_log_fcaps(struct audit_buffer *ab, struct audit_names *name)
{
audit_log_cap(ab, "cap_fp", &name->fcap.permitted);
audit_log_cap(ab, "cap_fi", &name->fcap.inheritable);
- audit_log_format(ab, " cap_fe=%d cap_fver=%x",
- name->fcap.fE, name->fcap_ver);
+ audit_log_format(ab, " cap_fe=%d cap_fver=%x cap_frootid=%d",
+ name->fcap.fE, name->fcap_ver,
+ from_kuid(&init_user_ns, name->fcap.rootid));
}
static inline int audit_copy_fcaps(struct audit_names *name,
@@ -2104,6 +2105,7 @@ static inline int audit_copy_fcaps(struct audit_names *name,
name->fcap.permitted = caps.permitted;
name->fcap.inheritable = caps.inheritable;
name->fcap.fE = !!(caps.magic_etc & VFS_CAP_FLAGS_EFFECTIVE);
+ name->fcap.rootid = caps.rootid;
name->fcap_ver = (caps.magic_etc & VFS_CAP_REVISION_MASK) >>
VFS_CAP_REVISION_SHIFT;

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