Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / security / integrity / integrity_audit.c

diff --git a/kernel/security/integrity/integrity_audit.c b/kernel/security/integrity/integrity_audit.c
new file mode 100644 (file)
index 0000000..90987d1
--- /dev/null
+++ b/kernel/security/integrity/integrity_audit.c
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2008 IBM Corporation
+ * Author: Mimi Zohar <zohar@us.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * File: integrity_audit.c
+ *     Audit calls for the integrity subsystem
+ */
+
+#include <linux/fs.h>
+#include <linux/gfp.h>
+#include <linux/audit.h>
+#include "integrity.h"
+
+static int integrity_audit_info;
+
+/* ima_audit_setup - enable informational auditing messages */
+static int __init integrity_audit_setup(char *str)
+{
+       unsigned long audit;
+
+       if (!kstrtoul(str, 0, &audit))
+               integrity_audit_info = audit ? 1 : 0;
+       return 1;
+}
+__setup("integrity_audit=", integrity_audit_setup);
+
+void integrity_audit_msg(int audit_msgno, struct inode *inode,
+                        const unsigned char *fname, const char *op,
+                        const char *cause, int result, int audit_info)
+{
+       struct audit_buffer *ab;
+       char name[TASK_COMM_LEN];
+
+       if (!integrity_audit_info && audit_info == 1)   /* Skip info messages */
+               return;
+
+       ab = audit_log_start(current->audit_context, GFP_KERNEL, audit_msgno);
+       audit_log_format(ab, "pid=%d uid=%u auid=%u ses=%u",
+                        task_pid_nr(current),
+                        from_kuid(&init_user_ns, current_cred()->uid),
+                        from_kuid(&init_user_ns, audit_get_loginuid(current)),
+                        audit_get_sessionid(current));
+       audit_log_task_context(ab);
+       audit_log_format(ab, " op=");
+       audit_log_string(ab, op);
+       audit_log_format(ab, " cause=");
+       audit_log_string(ab, cause);
+       audit_log_format(ab, " comm=");
+       audit_log_untrustedstring(ab, get_task_comm(name, current));
+       if (fname) {
+               audit_log_format(ab, " name=");
+               audit_log_untrustedstring(ab, fname);
+       }
+       if (inode) {
+               audit_log_format(ab, " dev=");
+               audit_log_untrustedstring(ab, inode->i_sb->s_id);
+               audit_log_format(ab, " ino=%lu", inode->i_ino);
+       }
+       audit_log_format(ab, " res=%d", !result);
+       audit_log_end(ab);
+}