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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /security/integrity/integrity_audit.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | security/integrity/integrity_audit.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/security/integrity/integrity_audit.c b/security/integrity/integrity_audit.c new file mode 100644 index 000000000..0ec5e4c22 --- /dev/null +++ b/security/integrity/integrity_audit.c @@ -0,0 +1,69 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2008 IBM Corporation + * Author: Mimi Zohar <zohar@us.ibm.com> + * + * 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) +{ + integrity_audit_message(audit_msgno, inode, fname, op, cause, + result, audit_info, 0); +} + +void integrity_audit_message(int audit_msgno, struct inode *inode, + const unsigned char *fname, const char *op, + const char *cause, int result, int audit_info, + int errno) +{ + struct audit_buffer *ab; + char name[TASK_COMM_LEN]; + + if (!integrity_audit_info && audit_info == 1) /* Skip info messages */ + return; + + ab = audit_log_start(audit_context(), GFP_KERNEL, audit_msgno); + if (!ab) + return; + audit_log_format(ab, "pid=%d uid=%u auid=%u ses=%u", + task_pid_nr(current), + from_kuid(&init_user_ns, current_uid()), + from_kuid(&init_user_ns, audit_get_loginuid(current)), + audit_get_sessionid(current)); + audit_log_task_context(ab); + audit_log_format(ab, " op=%s cause=%s comm=", op, cause); + 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 errno=%d", !result, errno); + audit_log_end(ab); +} |