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Diffstat (limited to 'kernel/audit.c')
-rw-r--r--kernel/audit.c72
1 files changed, 40 insertions, 32 deletions
diff --git a/kernel/audit.c b/kernel/audit.c
index a7b16086d36..ad6d1abfa1d 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -252,14 +252,15 @@ void audit_log_lost(const char *message)
}
static int audit_log_config_change(char *function_name, int new, int old,
- uid_t loginuid, u32 sid, int allow_changes)
+ uid_t loginuid, u32 sessionid, u32 sid,
+ int allow_changes)
{
struct audit_buffer *ab;
int rc = 0;
ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE);
- audit_log_format(ab, "%s=%d old=%d by auid=%u", function_name, new,
- old, loginuid);
+ audit_log_format(ab, "%s=%d old=%d auid=%u ses=%u", function_name, new,
+ old, loginuid, sessionid);
if (sid) {
char *ctx = NULL;
u32 len;
@@ -279,7 +280,8 @@ static int audit_log_config_change(char *function_name, int new, int old,
}
static int audit_do_config_change(char *function_name, int *to_change,
- int new, uid_t loginuid, u32 sid)
+ int new, uid_t loginuid, u32 sessionid,
+ u32 sid)
{
int allow_changes, rc = 0, old = *to_change;
@@ -290,8 +292,8 @@ static int audit_do_config_change(char *function_name, int *to_change,
allow_changes = 1;
if (audit_enabled != AUDIT_OFF) {
- rc = audit_log_config_change(function_name, new, old,
- loginuid, sid, allow_changes);
+ rc = audit_log_config_change(function_name, new, old, loginuid,
+ sessionid, sid, allow_changes);
if (rc)
allow_changes = 0;
}
@@ -305,26 +307,28 @@ static int audit_do_config_change(char *function_name, int *to_change,
return rc;
}
-static int audit_set_rate_limit(int limit, uid_t loginuid, u32 sid)
+static int audit_set_rate_limit(int limit, uid_t loginuid, u32 sessionid,
+ u32 sid)
{
return audit_do_config_change("audit_rate_limit", &audit_rate_limit,
- limit, loginuid, sid);
+ limit, loginuid, sessionid, sid);
}
-static int audit_set_backlog_limit(int limit, uid_t loginuid, u32 sid)
+static int audit_set_backlog_limit(int limit, uid_t loginuid, u32 sessionid,
+ u32 sid)
{
return audit_do_config_change("audit_backlog_limit", &audit_backlog_limit,
- limit, loginuid, sid);
+ limit, loginuid, sessionid, sid);
}
-static int audit_set_enabled(int state, uid_t loginuid, u32 sid)
+static int audit_set_enabled(int state, uid_t loginuid, u32 sessionid, u32 sid)
{
int rc;
if (state < AUDIT_OFF || state > AUDIT_LOCKED)
return -EINVAL;
rc = audit_do_config_change("audit_enabled", &audit_enabled, state,
- loginuid, sid);
+ loginuid, sessionid, sid);
if (!rc)
audit_ever_enabled |= !!state;
@@ -332,7 +336,7 @@ static int audit_set_enabled(int state, uid_t loginuid, u32 sid)
return rc;
}
-static int audit_set_failure(int state, uid_t loginuid, u32 sid)
+static int audit_set_failure(int state, uid_t loginuid, u32 sessionid, u32 sid)
{
if (state != AUDIT_FAIL_SILENT
&& state != AUDIT_FAIL_PRINTK
@@ -340,7 +344,7 @@ static int audit_set_failure(int state, uid_t loginuid, u32 sid)
return -EINVAL;
return audit_do_config_change("audit_failure", &audit_failure, state,
- loginuid, sid);
+ loginuid, sessionid, sid);
}
static int kauditd_thread(void *dummy)
@@ -385,7 +389,7 @@ static int kauditd_thread(void *dummy)
return 0;
}
-static int audit_prepare_user_tty(pid_t pid, uid_t loginuid)
+static int audit_prepare_user_tty(pid_t pid, uid_t loginuid, u32 sessionid)
{
struct task_struct *tsk;
int err;
@@ -404,7 +408,7 @@ static int audit_prepare_user_tty(pid_t pid, uid_t loginuid)
if (err)
goto out;
- tty_audit_push_task(tsk, loginuid);
+ tty_audit_push_task(tsk, loginuid, sessionid);
out:
read_unlock(&tasklist_lock);
return err;
@@ -534,7 +538,8 @@ static int audit_netlink_ok(struct sk_buff *skb, u16 msg_type)
}
static int audit_log_common_recv_msg(struct audit_buffer **ab, u16 msg_type,
- u32 pid, u32 uid, uid_t auid, u32 sid)
+ u32 pid, u32 uid, uid_t auid, u32 ses,
+ u32 sid)
{
int rc = 0;
char *ctx = NULL;
@@ -546,8 +551,8 @@ static int audit_log_common_recv_msg(struct audit_buffer **ab, u16 msg_type,
}
*ab = audit_log_start(NULL, GFP_KERNEL, msg_type);
- audit_log_format(*ab, "user pid=%d uid=%u auid=%u",
- pid, uid, auid);
+ audit_log_format(*ab, "user pid=%d uid=%u auid=%u ses=%u",
+ pid, uid, auid, ses);
if (sid) {
rc = security_secid_to_secctx(sid, &ctx, &len);
if (rc)
@@ -570,6 +575,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
struct audit_buffer *ab;
u16 msg_type = nlh->nlmsg_type;
uid_t loginuid; /* loginuid of sender */
+ u32 sessionid;
struct audit_sig_info *sig_data;
char *ctx = NULL;
u32 len;
@@ -591,6 +597,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
pid = NETLINK_CREDS(skb)->pid;
uid = NETLINK_CREDS(skb)->uid;
loginuid = NETLINK_CB(skb).loginuid;
+ sessionid = NETLINK_CB(skb).sessionid;
sid = NETLINK_CB(skb).sid;
seq = nlh->nlmsg_seq;
data = NLMSG_DATA(nlh);
@@ -613,12 +620,12 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
status_get = (struct audit_status *)data;
if (status_get->mask & AUDIT_STATUS_ENABLED) {
err = audit_set_enabled(status_get->enabled,
- loginuid, sid);
+ loginuid, sessionid, sid);
if (err < 0) return err;
}
if (status_get->mask & AUDIT_STATUS_FAILURE) {
err = audit_set_failure(status_get->failure,
- loginuid, sid);
+ loginuid, sessionid, sid);
if (err < 0) return err;
}
if (status_get->mask & AUDIT_STATUS_PID) {
@@ -627,17 +634,17 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
if (audit_enabled != AUDIT_OFF)
audit_log_config_change("audit_pid", new_pid,
audit_pid, loginuid,
- sid, 1);
+ sessionid, sid, 1);
audit_pid = new_pid;
audit_nlk_pid = NETLINK_CB(skb).pid;
}
if (status_get->mask & AUDIT_STATUS_RATE_LIMIT)
err = audit_set_rate_limit(status_get->rate_limit,
- loginuid, sid);
+ loginuid, sessionid, sid);
if (status_get->mask & AUDIT_STATUS_BACKLOG_LIMIT)
err = audit_set_backlog_limit(status_get->backlog_limit,
- loginuid, sid);
+ loginuid, sessionid, sid);
break;
case AUDIT_USER:
case AUDIT_FIRST_USER_MSG ... AUDIT_LAST_USER_MSG:
@@ -649,12 +656,13 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
if (err == 1) {
err = 0;
if (msg_type == AUDIT_USER_TTY) {
- err = audit_prepare_user_tty(pid, loginuid);
+ err = audit_prepare_user_tty(pid, loginuid,
+ sessionid);
if (err)
break;
}
audit_log_common_recv_msg(&ab, msg_type, pid, uid,
- loginuid, sid);
+ loginuid, sessionid, sid);
if (msg_type != AUDIT_USER_TTY)
audit_log_format(ab, " msg='%.1024s'",
@@ -677,7 +685,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
return -EINVAL;
if (audit_enabled == AUDIT_LOCKED) {
audit_log_common_recv_msg(&ab, AUDIT_CONFIG_CHANGE, pid,
- uid, loginuid, sid);
+ uid, loginuid, sessionid, sid);
audit_log_format(ab, " audit_enabled=%d res=0",
audit_enabled);
@@ -688,7 +696,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
case AUDIT_LIST:
err = audit_receive_filter(nlh->nlmsg_type, NETLINK_CB(skb).pid,
uid, seq, data, nlmsg_len(nlh),
- loginuid, sid);
+ loginuid, sessionid, sid);
break;
case AUDIT_ADD_RULE:
case AUDIT_DEL_RULE:
@@ -696,7 +704,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
return -EINVAL;
if (audit_enabled == AUDIT_LOCKED) {
audit_log_common_recv_msg(&ab, AUDIT_CONFIG_CHANGE, pid,
- uid, loginuid, sid);
+ uid, loginuid, sessionid, sid);
audit_log_format(ab, " audit_enabled=%d res=0",
audit_enabled);
@@ -707,13 +715,13 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
case AUDIT_LIST_RULES:
err = audit_receive_filter(nlh->nlmsg_type, NETLINK_CB(skb).pid,
uid, seq, data, nlmsg_len(nlh),
- loginuid, sid);
+ loginuid, sessionid, sid);
break;
case AUDIT_TRIM:
audit_trim_trees();
audit_log_common_recv_msg(&ab, AUDIT_CONFIG_CHANGE, pid,
- uid, loginuid, sid);
+ uid, loginuid, sessionid, sid);
audit_log_format(ab, " op=trim res=1");
audit_log_end(ab);
@@ -745,7 +753,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
err = audit_tag_tree(old, new);
audit_log_common_recv_msg(&ab, AUDIT_CONFIG_CHANGE, pid,
- uid, loginuid, sid);
+ uid, loginuid, sessionid, sid);
audit_log_format(ab, " op=make_equiv old=");
audit_log_untrustedstring(ab, old);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-27 06:13:34 +0000