diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-03 14:04:58 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-03 14:04:58 -0700 |
commit | f39d420f672f99ad9a0fe7deb951a0030d4f0d9e (patch) | |
tree | 450e229a4305362f72cc5461aab8af4f2f5d023e /security/integrity/integrity_audit.c | |
parent | fe489bf4505ae26d3c6d6a1f1d3064c2a9c5cd85 (diff) | |
parent | 572e5b018ba68d634f30aef71cf04d85c884aa05 (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security subsystem updates from James Morris:
"In this update, Smack learns to love IPv6 and to mount a filesystem
with a transmutable hierarchy (i.e. security labels are inherited
from parent directory upon creation rather than creating process).
The rest of the changes are maintenance"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (37 commits)
tpm/tpm_i2c_infineon: Remove unused header file
tpm: tpm_i2c_infinion: Don't modify i2c_client->driver
evm: audit integrity metadata failures
integrity: move integrity_audit_msg()
evm: calculate HMAC after initializing posix acl on tmpfs
maintainers: add Dmitry Kasatkin
Smack: Fix the bug smackcipso can't set CIPSO correctly
Smack: Fix possible NULL pointer dereference at smk_netlbl_mls()
Smack: Add smkfstransmute mount option
Smack: Improve access check performance
Smack: Local IPv6 port based controls
tpm: fix regression caused by section type conflict of tpm_dev_release() in ppc builds
maintainers: Remove Kent from maintainers
tpm: move TPM_DIGEST_SIZE defintion
tpm_tis: missing platform_driver_unregister() on error in init_tis()
security: clarify cap_inode_getsecctx description
apparmor: no need to delay vfree()
apparmor: fix fully qualified name parsing
apparmor: fix setprocattr arg processing for onexec
apparmor: localize getting the security context to a few macros
...
Diffstat (limited to 'security/integrity/integrity_audit.c')
-rw-r--r-- | security/integrity/integrity_audit.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/security/integrity/integrity_audit.c b/security/integrity/integrity_audit.c new file mode 100644 index 00000000000..d7efb30404a --- /dev/null +++ b/security/integrity/integrity_audit.c @@ -0,0 +1,64 @@ +/* + * 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 (!strict_strtoul(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; + + 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", + current->pid, + 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, current->comm); + 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); +} |