cregit-Linux how code gets into the kernel

Release 4.11 security/integrity/integrity_audit.c

/*
 * 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; }

Contributors

PersonTokensPropCommitsCommitProp
Mimi Zohar3897.44%375.00%
Jingoo Han12.56%125.00%
Total39100.00%4100.00%

__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); }

Contributors

PersonTokensPropCommitsCommitProp
Mimi Zohar18780.95%440.00%
Kees Cook156.49%110.00%
Eric W. Biedermann125.19%110.00%
Tetsuo Handa114.76%110.00%
Richard Guy Briggs31.30%110.00%
Eric Paris31.30%220.00%
Total231100.00%10100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Mimi Zohar24683.39%535.71%
Kees Cook155.08%17.14%
Eric W. Biedermann124.07%17.14%
Tetsuo Handa113.73%17.14%
Eric Paris31.02%214.29%
Richard Guy Briggs31.02%17.14%
Tejun Heo31.02%17.14%
Dmitry Kasatkin10.34%17.14%
Jingoo Han10.34%17.14%
Total295100.00%14100.00%
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