From: Richard Guy Briggs <rgb@redhat.com>
To: cgroups@vger.kernel.org, containers@lists.linux-foundation.org,
linux-api@vger.kernel.org,
Linux-Audit Mailing List <linux-audit@redhat.com>,
linux-fsdevel@vger.kernel.org,
LKML <linux-kernel@vger.kernel.org>,
netdev@vger.kernel.org
Cc: ebiederm@xmission.com, luto@kernel.org, jlayton@redhat.com,
carlos@redhat.com, Richard Guy Briggs <rgb@redhat.com>,
dhowells@redhat.com, viro@zeniv.linux.org.uk, simo@redhat.com,
eparis@parisplace.org, serge@hallyn.com
Subject: [RFC PATCH ghak32 V2 09/13] audit: add containerid support for config/feature/user records
Date: Fri, 16 Mar 2018 05:00:36 -0400 [thread overview]
Message-ID: <c34a7a95eb045a62e2443457979db9d7afbd9aee.1521179281.git.rgb@redhat.com> (raw)
In-Reply-To: <cover.1521179281.git.rgb@redhat.com>
In-Reply-To: <cover.1521179281.git.rgb@redhat.com>
Add container ID auxiliary records to configuration change, feature set change
and user generated standalone records.
Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
---
kernel/audit.c | 50 ++++++++++++++++++++++++++++++++++++++++----------
kernel/auditfilter.c | 5 ++++-
2 files changed, 44 insertions(+), 11 deletions(-)
diff --git a/kernel/audit.c b/kernel/audit.c
index b238be5..08662b4 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -400,8 +400,9 @@ static int audit_log_config_change(char *function_name, u32 new, u32 old,
{
struct audit_buffer *ab;
int rc = 0;
+ struct audit_context *context = audit_alloc_local();
- ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE);
+ ab = audit_log_start(context, GFP_KERNEL, AUDIT_CONFIG_CHANGE);
if (unlikely(!ab))
return rc;
audit_log_format(ab, "%s=%u old=%u", function_name, new, old);
@@ -411,6 +412,8 @@ static int audit_log_config_change(char *function_name, u32 new, u32 old,
allow_changes = 0; /* Something weird, deny request */
audit_log_format(ab, " res=%d", allow_changes);
audit_log_end(ab);
+ audit_log_container_info(context, "config", audit_get_containerid(current));
+ audit_free_context(context);
return rc;
}
@@ -1058,7 +1061,8 @@ static int audit_netlink_ok(struct sk_buff *skb, u16 msg_type)
return err;
}
-static void audit_log_common_recv_msg(struct audit_buffer **ab, u16 msg_type)
+static void audit_log_common_recv_msg(struct audit_context *context,
+ struct audit_buffer **ab, u16 msg_type)
{
uid_t uid = from_kuid(&init_user_ns, current_uid());
pid_t pid = task_tgid_nr(current);
@@ -1068,7 +1072,7 @@ static void audit_log_common_recv_msg(struct audit_buffer **ab, u16 msg_type)
return;
}
- *ab = audit_log_start(NULL, GFP_KERNEL, msg_type);
+ *ab = audit_log_start(context, GFP_KERNEL, msg_type);
if (unlikely(!*ab))
return;
audit_log_format(*ab, "pid=%d uid=%u", pid, uid);
@@ -1097,11 +1101,12 @@ static void audit_log_feature_change(int which, u32 old_feature, u32 new_feature
u32 old_lock, u32 new_lock, int res)
{
struct audit_buffer *ab;
+ struct audit_context *context = audit_alloc_local();
if (audit_enabled == AUDIT_OFF)
return;
- ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_FEATURE_CHANGE);
+ ab = audit_log_start(context, GFP_KERNEL, AUDIT_FEATURE_CHANGE);
if (!ab)
return;
audit_log_task_info(ab, current);
@@ -1109,6 +1114,8 @@ static void audit_log_feature_change(int which, u32 old_feature, u32 new_feature
audit_feature_names[which], !!old_feature, !!new_feature,
!!old_lock, !!new_lock, res);
audit_log_end(ab);
+ audit_log_container_info(context, "feature", audit_get_containerid(current));
+ audit_free_context(context);
}
static int audit_set_feature(struct sk_buff *skb)
@@ -1337,13 +1344,15 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
err = audit_filter(msg_type, AUDIT_FILTER_USER);
if (err == 1) { /* match or error */
+ struct audit_context *context = audit_alloc_local();
+
err = 0;
if (msg_type == AUDIT_USER_TTY) {
err = tty_audit_push();
if (err)
break;
}
- audit_log_common_recv_msg(&ab, msg_type);
+ audit_log_common_recv_msg(context, &ab, msg_type);
if (msg_type != AUDIT_USER_TTY)
audit_log_format(ab, " msg='%.*s'",
AUDIT_MESSAGE_TEXT_MAX,
@@ -1359,6 +1368,9 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
audit_log_n_untrustedstring(ab, data, size);
}
audit_log_end(ab);
+ audit_log_container_info(context, "user",
+ audit_get_containerid(current));
+ audit_free_context(context);
}
break;
case AUDIT_ADD_RULE:
@@ -1366,9 +1378,14 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
if (nlmsg_len(nlh) < sizeof(struct audit_rule_data))
return -EINVAL;
if (audit_enabled == AUDIT_LOCKED) {
- audit_log_common_recv_msg(&ab, AUDIT_CONFIG_CHANGE);
+ struct audit_context *context = audit_alloc_local();
+
+ audit_log_common_recv_msg(context, &ab, AUDIT_CONFIG_CHANGE);
audit_log_format(ab, " audit_enabled=%d res=0", audit_enabled);
audit_log_end(ab);
+ audit_log_container_info(context, "config",
+ audit_get_containerid(current));
+ audit_free_context(context);
return -EPERM;
}
err = audit_rule_change(msg_type, seq, data, nlmsg_len(nlh));
@@ -1376,17 +1393,23 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
case AUDIT_LIST_RULES:
err = audit_list_rules_send(skb, seq);
break;
- case AUDIT_TRIM:
+ case AUDIT_TRIM: {
+ struct audit_context *context = audit_alloc_local();
audit_trim_trees();
- audit_log_common_recv_msg(&ab, AUDIT_CONFIG_CHANGE);
+ audit_log_common_recv_msg(context, &ab, AUDIT_CONFIG_CHANGE);
audit_log_format(ab, " op=trim res=1");
audit_log_end(ab);
+ audit_log_container_info(context, "config",
+ audit_get_containerid(current));
+ audit_free_context(context);
break;
+ }
case AUDIT_MAKE_EQUIV: {
void *bufp = data;
u32 sizes[2];
size_t msglen = nlmsg_len(nlh);
char *old, *new;
+ struct audit_context *context = audit_alloc_local();
err = -EINVAL;
if (msglen < 2 * sizeof(u32))
@@ -1408,7 +1431,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
/* OK, here comes... */
err = audit_tag_tree(old, new);
- audit_log_common_recv_msg(&ab, AUDIT_CONFIG_CHANGE);
+ audit_log_common_recv_msg(context, &ab, AUDIT_CONFIG_CHANGE);
audit_log_format(ab, " op=make_equiv old=");
audit_log_untrustedstring(ab, old);
@@ -1418,6 +1441,9 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
audit_log_end(ab);
kfree(old);
kfree(new);
+ audit_log_container_info(context, "config",
+ audit_get_containerid(current));
+ audit_free_context(context);
break;
}
case AUDIT_SIGNAL_INFO:
@@ -1459,6 +1485,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
struct audit_tty_status s, old;
struct audit_buffer *ab;
unsigned int t;
+ struct audit_context *context = audit_alloc_local();
memset(&s, 0, sizeof(s));
/* guard against past and future API changes */
@@ -1477,12 +1504,15 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
old.enabled = t & AUDIT_TTY_ENABLE;
old.log_passwd = !!(t & AUDIT_TTY_LOG_PASSWD);
- audit_log_common_recv_msg(&ab, AUDIT_CONFIG_CHANGE);
+ audit_log_common_recv_msg(context, &ab, AUDIT_CONFIG_CHANGE);
audit_log_format(ab, " op=tty_set old-enabled=%d new-enabled=%d"
" old-log_passwd=%d new-log_passwd=%d res=%d",
old.enabled, s.enabled, old.log_passwd,
s.log_passwd, !err);
audit_log_end(ab);
+ audit_log_container_info(context, "config",
+ audit_get_containerid(current));
+ audit_free_context(context);
break;
}
default:
diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index c4c8746..5f7f4d6 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -1109,11 +1109,12 @@ static void audit_log_rule_change(char *action, struct audit_krule *rule, int re
struct audit_buffer *ab;
uid_t loginuid = from_kuid(&init_user_ns, audit_get_loginuid(current));
unsigned int sessionid = audit_get_sessionid(current);
+ struct audit_context *context = audit_alloc_local();
if (!audit_enabled)
return;
- ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE);
+ ab = audit_log_start(context, GFP_KERNEL, AUDIT_CONFIG_CHANGE);
if (!ab)
return;
audit_log_format(ab, "auid=%u ses=%u" ,loginuid, sessionid);
@@ -1122,6 +1123,8 @@ static void audit_log_rule_change(char *action, struct audit_krule *rule, int re
audit_log_key(ab, rule->filterkey);
audit_log_format(ab, " list=%d res=%d", rule->listnr, res);
audit_log_end(ab);
+ audit_log_container_info(context, "config", audit_get_containerid(current));
+ audit_free_context(context);
}
/**
--
1.8.3.1
next prev parent reply other threads:[~2018-03-16 9:00 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-16 9:00 [RFC PATCH ghak32 V2 00/13] audit: implement container id Richard Guy Briggs
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 01/13] audit: add " Richard Guy Briggs
2018-03-28 18:39 ` Jonathan Corbet
[not found] ` <20180328123912.49b11c98-T1hC0tSOHrs@public.gmane.org>
2018-03-29 9:01 ` Richard Guy Briggs
2018-03-29 13:03 ` Jonathan Corbet
2018-03-30 5:06 ` Richard Guy Briggs
2018-04-18 23:47 ` Paul Moore
2018-04-19 0:41 ` Casey Schaufler
[not found] ` <32d3e7a6-36f0-571a-bb91-67f746c7eafa-iSGtlc1asvQWG2LlvL+J4A@public.gmane.org>
2018-04-19 0:46 ` Paul Moore
2018-04-19 1:15 ` Casey Schaufler
2018-04-21 14:34 ` Richard Guy Briggs
2018-04-23 23:15 ` Paul Moore
2018-04-24 2:02 ` Richard Guy Briggs
2018-04-24 19:01 ` Paul Moore
2018-04-25 0:40 ` Richard Guy Briggs
2018-04-26 22:47 ` Paul Moore
2018-05-06 16:51 ` Richard Guy Briggs
[not found] ` <e284617ad667ad8f17958dd8babb87fe1b4d7205.1521179281.git.rgb-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2018-05-17 21:00 ` Steve Grubb
2018-05-17 21:56 ` Richard Guy Briggs
[not found] ` <20180517215600.dyswlkvqdtgjwr5y-bcJWsdo4jJjeVoXN4CMphl7TgLCtbB0G@public.gmane.org>
2018-05-18 13:56 ` Steve Grubb
2018-05-18 15:21 ` Richard Guy Briggs
2018-05-18 15:38 ` Steve Grubb
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 03/13] audit: log container info of syscalls Richard Guy Briggs
2018-05-17 21:09 ` Steve Grubb
2018-05-17 21:41 ` Richard Guy Briggs
2018-05-21 19:19 ` Steve Grubb
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 04/13] audit: add containerid filtering Richard Guy Briggs
2018-04-19 0:24 ` Paul Moore
2018-04-19 12:17 ` Richard Guy Briggs
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 06/13] audit: add support for non-syscall auxiliary records Richard Guy Briggs
2018-04-19 0:39 ` Paul Moore
[not found] ` <CAHC9VhQbPbnrbxCD1fyTSxWgrXXXYnZw_=nbOhfMCO5Q5eSsWQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-04-20 1:23 ` Richard Guy Briggs
2018-04-20 16:21 ` Paul Moore
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 08/13] audit: add containerid support for tty_audit Richard Guy Briggs
2018-03-16 9:00 ` Richard Guy Briggs [this message]
2018-04-19 1:27 ` [RFC PATCH ghak32 V2 09/13] audit: add containerid support for config/feature/user records Paul Moore
2018-04-19 12:31 ` Richard Guy Briggs
2018-04-19 12:59 ` Paul Moore
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 11/13] audit: add support for containerid to network namespaces Richard Guy Briggs
2018-04-19 1:46 ` Paul Moore
2018-04-20 20:02 ` Richard Guy Briggs
2018-04-20 20:22 ` Paul Moore
2018-04-20 20:42 ` Richard Guy Briggs
[not found] ` <20180420204225.iik2lgtj6gx2ep4w-bcJWsdo4jJjeVoXN4CMphl7TgLCtbB0G@public.gmane.org>
2018-04-21 12:10 ` Paul Moore
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 12/13] audit: NETFILTER_PKT: record each container ID associated with a netNS Richard Guy Briggs
2018-04-19 2:10 ` Paul Moore
2018-04-19 12:45 ` Richard Guy Briggs
[not found] ` <20180419124550.7uknp4oebvwoo67s-bcJWsdo4jJjeVoXN4CMphl7TgLCtbB0G@public.gmane.org>
2018-04-19 13:13 ` Paul Moore
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 13/13] debug audit: read container ID of a process Richard Guy Briggs
2018-05-21 19:16 ` Steve Grubb
2018-05-21 19:19 ` Eric W. Biederman
2018-05-21 20:06 ` Paul Moore
[not found] ` <CAHC9VhQruN88t-R9Qo3e4hwCZ58RAyrmEmH1nY4RR6NZaiBzGQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-05-22 17:35 ` Richard Guy Briggs
[not found] ` <20180522173541.slcdszumi7q6c4id-bcJWsdo4jJjeVoXN4CMphl7TgLCtbB0G@public.gmane.org>
2018-05-22 18:59 ` Paul Moore
[not found] ` <cover.1521179281.git.rgb-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 02/13] audit: check children and threading before allowing containerid Richard Guy Briggs
[not found] ` <995b77557010b2f9aed0e10435f7b8536df7a5db.1521179281.git.rgb-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2018-04-19 0:11 ` Paul Moore
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 05/13] audit: add containerid support for ptrace and signals Richard Guy Briggs
2018-04-19 0:32 ` Paul Moore
2018-04-20 1:03 ` Richard Guy Briggs
2018-04-20 16:13 ` Paul Moore
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 07/13] audit: add container aux record to watch/tree/mark Richard Guy Briggs
2018-04-19 0:42 ` Paul Moore
2018-04-19 12:24 ` Richard Guy Briggs
2018-03-16 9:00 ` [RFC PATCH ghak32 V2 10/13] audit: add containerid support for seccomp and anom_abend records Richard Guy Briggs
2018-04-19 1:31 ` Paul Moore
2018-04-20 0:42 ` Richard Guy Briggs
2018-04-20 16:11 ` Paul Moore
2018-05-30 13:20 ` [RFC PATCH ghak32 V2 00/13] audit: implement container id Steve Grubb
2018-05-30 17:33 ` Richard Guy Briggs
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