From: Richard Guy Briggs <rgb@redhat.com>
To: Linux-Audit Mailing List <linux-audit@redhat.com>,
LKML <linux-kernel@vger.kernel.org>,
netfilter-devel@vger.kernel.org
Cc: Paul Moore <paul@paul-moore.com>,
sgrubb@redhat.com, omosnace@redhat.com, fw@strlen.de,
twoerner@redhat.com, eparis@parisplace.org,
ebiederm@xmission.com, tgraf@infradead.org,
Richard Guy Briggs <rgb@redhat.com>
Subject: [PATCH ghak25 v2 4/9] audit: record nfcfg params
Date: Mon, 6 Jan 2020 13:54:05 -0500 [thread overview]
Message-ID: <b1b2e6f917816c4ae85b53d7f93c10c3d1df4a53.1577830902.git.rgb@redhat.com> (raw)
In-Reply-To: <cover.1577830902.git.rgb@redhat.com>
In-Reply-To: <cover.1577830902.git.rgb@redhat.com>
Record the auditable parameters of any non-empty netfilter table
configuration change.
See: https://github.com/linux-audit/audit-kernel/issues/25
Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
---
include/linux/audit.h | 11 +++++++++++
kernel/auditsc.c | 16 ++++++++++++++++
2 files changed, 27 insertions(+)
diff --git a/include/linux/audit.h b/include/linux/audit.h
index f9ceae57ca8d..96cabb095eed 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -379,6 +379,7 @@ extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm,
extern void __audit_fanotify(unsigned int response);
extern void __audit_tk_injoffset(struct timespec64 offset);
extern void __audit_ntp_log(const struct audit_ntp_data *ad);
+extern void __audit_nf_cfg(const char *name, u8 af, int nentries);
static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
{
@@ -514,6 +515,12 @@ static inline void audit_ntp_log(const struct audit_ntp_data *ad)
__audit_ntp_log(ad);
}
+static inline void audit_nf_cfg(const char *name, u8 af, int nentries)
+{
+ if (!audit_dummy_context())
+ __audit_nf_cfg(name, af, nentries);
+}
+
extern int audit_n_rules;
extern int audit_signals;
#else /* CONFIG_AUDITSYSCALL */
@@ -646,6 +653,10 @@ static inline void audit_ntp_log(const struct audit_ntp_data *ad)
static inline void audit_ptrace(struct task_struct *t)
{ }
+
+static inline void audit_nf_cfg(const char *name, u8 af, int nentries)
+{ }
+
#define audit_n_rules 0
#define audit_signals 0
#endif /* CONFIG_AUDITSYSCALL */
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 4effe01ebbe2..4e1df4233cd3 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -2545,6 +2545,22 @@ void __audit_ntp_log(const struct audit_ntp_data *ad)
audit_log_ntp_val(ad, "adjust", AUDIT_NTP_ADJUST);
}
+void __audit_nf_cfg(const char *name, u8 af, int nentries)
+{
+ struct audit_buffer *ab;
+ struct audit_context *context = audit_context();
+
+ if (!nentries)
+ return;
+ ab = audit_log_start(context, GFP_KERNEL, AUDIT_NETFILTER_CFG);
+ if (!ab)
+ return; /* audit_panic or being filtered */
+ audit_log_format(ab, "table=%s family=%u entries=%u",
+ name, af, nentries);
+ audit_log_end(ab);
+}
+EXPORT_SYMBOL_GPL(__audit_nf_cfg);
+
static void audit_log_task(struct audit_buffer *ab)
{
kuid_t auid, uid;
--
1.8.3.1
next prev parent reply other threads:[~2020-01-06 18:55 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-06 18:54 [PATCH ghak25 v2 0/9] Address NETFILTER_CFG issues Richard Guy Briggs
2020-01-06 18:54 ` [PATCH ghak25 v2 1/9] netfilter: normalize x_table function declarations Richard Guy Briggs
2020-01-06 20:23 ` Florian Westphal
2020-01-08 16:47 ` Nicolas Dichtel
2020-01-16 21:29 ` Richard Guy Briggs
2020-01-31 3:17 ` Paul Moore
2020-02-10 19:13 ` Richard Guy Briggs
2020-01-06 18:54 ` [PATCH ghak25 v2 2/9] netfilter: normalize ebtables " Richard Guy Briggs
2020-01-06 20:30 ` Florian Westphal
2020-01-31 3:17 ` Paul Moore
2020-01-06 18:54 ` [PATCH ghak25 v2 3/9] netfilter: normalize ebtables function declarations II Richard Guy Briggs
2020-01-06 20:31 ` Florian Westphal
2020-01-31 3:17 ` Paul Moore
2020-01-06 18:54 ` Richard Guy Briggs [this message]
2020-01-31 3:18 ` [PATCH ghak25 v2 4/9] audit: record nfcfg params Paul Moore
2020-02-18 22:47 ` Richard Guy Briggs
2020-01-06 18:54 ` [PATCH ghak25 v2 5/9] netfilter: x_tables audit only on syscall rule Richard Guy Briggs
2020-01-06 18:54 ` [PATCH ghak25 v2 6/9] netfilter: ebtables " Richard Guy Briggs
2020-01-06 18:54 ` [PATCH ghak25 v2 7/9] netfilter: ebtables audit table registration Richard Guy Briggs
2020-01-31 3:18 ` Paul Moore
2020-02-18 22:35 ` Richard Guy Briggs
2020-01-06 18:54 ` [PATCH ghak25 v2 8/9] netfilter: add audit operation field Richard Guy Briggs
2020-01-06 20:23 ` Florian Westphal
2020-01-31 3:18 ` Paul Moore
2020-02-13 12:14 ` Richard Guy Briggs
2020-02-13 12:34 ` Florian Westphal
2020-02-13 14:29 ` Richard Guy Briggs
2020-01-06 18:54 ` [PATCH ghak25 v2 9/9] netfilter: audit table unregister actions Richard Guy Briggs
2020-01-31 3:18 ` Paul Moore
2020-01-16 15:05 ` [PATCH ghak25 v2 0/9] Address NETFILTER_CFG issues Pablo Neira Ayuso
2020-01-16 19:07 ` Paul Moore
2020-01-16 21:20 ` Richard Guy Briggs
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=b1b2e6f917816c4ae85b53d7f93c10c3d1df4a53.1577830902.git.rgb@redhat.com \
--to=rgb@redhat.com \
--cc=ebiederm@xmission.com \
--cc=eparis@parisplace.org \
--cc=fw@strlen.de \
--cc=linux-audit@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=netfilter-devel@vger.kernel.org \
--cc=omosnace@redhat.com \
--cc=paul@paul-moore.com \
--cc=sgrubb@redhat.com \
--cc=tgraf@infradead.org \
--cc=twoerner@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).