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Audit: collect sessionid in netlink messages 

Previously I added sessionid output to all audit messages where it was
available but we still didn't know the sessionid of the sender of
netlink messages.  This patch adds that information to netlink messages
so we can audit who sent netlink messages.

Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Eric Paris 2008-04-18 10:09:25 -04:00 committed by Al Viro
parent 436c405c7d
commit 2532386f48
17 changed files with 132 additions and 87 deletions
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7
drivers/char/tty_audit.c
View File

@ -151,14 +151,9 @@ void tty_audit_fork(struct signal_struct *sig)
/**
* tty_audit_push_task - Flush task's pending audit data
*/
void tty_audit_push_task(struct task_struct *tsk, uid_t loginuid)
void tty_audit_push_task(struct task_struct *tsk, uid_t loginuid, u32 sessionid)
{
struct tty_audit_buf *buf;
/* FIXME I think this is correct. Check against netlink once that is
* I really need to read this code more closely. But that's for
* another patch.
*/
unsigned int sessionid = audit_get_sessionid(tsk);
spin_lock_irq(&tsk->sighand->siglock);
buf = tsk->signal->tty_audit_buf;

3
include/linux/audit.h
View File

@ -569,7 +569,8 @@ extern int audit_update_lsm_rules(void);
extern int audit_filter_user(struct netlink_skb_parms *cb, int type);
extern int audit_filter_type(int type);
extern int audit_receive_filter(int type, int pid, int uid, int seq,
void *data, size_t datasz, uid_t loginuid, u32 sid);
void *data, size_t datasz, uid_t loginuid,
u32 sessionid, u32 sid);
extern int audit_enabled;
#else
#define audit_log(c,g,t,f,...) do { ; } while (0)

1
include/linux/netlink.h
View File

@ -166,6 +166,7 @@ struct netlink_skb_parms
__u32 dst_group;
kernel_cap_t eff_cap;
__u32 loginuid; /* Login (audit) uid */
__u32 sessionid; /* Session id (audit) */
__u32 sid; /* SELinux security id */
};

4
include/linux/tty.h
View File

@ -351,7 +351,7 @@ extern void tty_audit_add_data(struct tty_struct *tty, unsigned char *data,
extern void tty_audit_exit(void);
extern void tty_audit_fork(struct signal_struct *sig);
extern void tty_audit_push(struct tty_struct *tty);
extern void tty_audit_push_task(struct task_struct *tsk, uid_t loginuid);
extern void tty_audit_push_task(struct task_struct *tsk, uid_t loginuid, u32 sessionid);
extern void tty_audit_opening(void);
#else
static inline void tty_audit_add_data(struct tty_struct *tty,
@ -367,7 +367,7 @@ static inline void tty_audit_fork(struct signal_struct *sig)
static inline void tty_audit_push(struct tty_struct *tty)
{
}
static inline void tty_audit_push_task(struct task_struct *tsk, uid_t loginuid)
static inline void tty_audit_push_task(struct task_struct *tsk, uid_t loginuid, u32 sessionid)
{
}
static inline void tty_audit_opening(void)

1
include/net/netlabel.h
View File

@ -103,6 +103,7 @@ struct cipso_v4_doi;
struct netlbl_audit {
u32 secid;
uid_t loginuid;
u32 sessionid;
};
/*

23
include/net/xfrm.h
View File

@ -597,8 +597,9 @@ struct xfrm_spi_skb_cb {
/* Audit Information */
struct xfrm_audit
{
u32 loginuid;
u32 secid;
uid_t loginuid;
u32 sessionid;
};
#ifdef CONFIG_AUDITSYSCALL
@ -616,13 +617,13 @@ static inline struct audit_buffer *xfrm_audit_start(const char *op)
return audit_buf;
}
static inline void xfrm_audit_helper_usrinfo(u32 auid, u32 secid,
static inline void xfrm_audit_helper_usrinfo(uid_t auid, u32 ses, u32 secid,
struct audit_buffer *audit_buf)
{
char *secctx;
u32 secctx_len;
audit_log_format(audit_buf, " auid=%u", auid);
audit_log_format(audit_buf, " auid=%u ses=%u", auid, ses);
if (secid != 0 &&
security_secid_to_secctx(secid, &secctx, &secctx_len) == 0) {
audit_log_format(audit_buf, " subj=%s", secctx);
@ -632,13 +633,13 @@ static inline void xfrm_audit_helper_usrinfo(u32 auid, u32 secid,
}
extern void xfrm_audit_policy_add(struct xfrm_policy *xp, int result,
u32 auid, u32 secid);
u32 auid, u32 ses, u32 secid);
extern void xfrm_audit_policy_delete(struct xfrm_policy *xp, int result,
u32 auid, u32 secid);
u32 auid, u32 ses, u32 secid);
extern void xfrm_audit_state_add(struct xfrm_state *x, int result,
u32 auid, u32 secid);
u32 auid, u32 ses, u32 secid);
extern void xfrm_audit_state_delete(struct xfrm_state *x, int result,
u32 auid, u32 secid);
u32 auid, u32 ses, u32 secid);
extern void xfrm_audit_state_replay_overflow(struct xfrm_state *x,
struct sk_buff *skb);
extern void xfrm_audit_state_notfound_simple(struct sk_buff *skb, u16 family);
@ -647,10 +648,10 @@ extern void xfrm_audit_state_notfound(struct sk_buff *skb, u16 family,
extern void xfrm_audit_state_icvfail(struct xfrm_state *x,
struct sk_buff *skb, u8 proto);
#else
#define xfrm_audit_policy_add(x, r, a, s) do { ; } while (0)
#define xfrm_audit_policy_delete(x, r, a, s) do { ; } while (0)
#define xfrm_audit_state_add(x, r, a, s) do { ; } while (0)
#define xfrm_audit_state_delete(x, r, a, s) do { ; } while (0)
#define xfrm_audit_policy_add(x, r, a, se, s) do { ; } while (0)
#define xfrm_audit_policy_delete(x, r, a, se, s) do { ; } while (0)
#define xfrm_audit_state_add(x, r, a, se, s) do { ; } while (0)
#define xfrm_audit_state_delete(x, r, a, se, s) do { ; } while (0)
#define xfrm_audit_state_replay_overflow(x, s) do { ; } while (0)
#define xfrm_audit_state_notfound_simple(s, f) do { ; } while (0)
#define xfrm_audit_state_notfound(s, f, sp, sq) do { ; } while (0)

72
kernel/audit.c
View File

@ -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);

16
kernel/auditfilter.c
View File

@ -1500,8 +1500,9 @@ static void audit_list_rules(int pid, int seq, struct sk_buff_head *q)
}
/* Log rule additions and removals */
static void audit_log_rule_change(uid_t loginuid, u32 sid, char *action,
struct audit_krule *rule, int res)
static void audit_log_rule_change(uid_t loginuid, u32 sessionid, u32 sid,
char *action, struct audit_krule *rule,
int res)
{
struct audit_buffer *ab;
@ -1511,7 +1512,7 @@ static void audit_log_rule_change(uid_t loginuid, u32 sid, char *action,
ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE);
if (!ab)
return;
audit_log_format(ab, "auid=%u", loginuid);
audit_log_format(ab, "auid=%u ses=%u", loginuid, sessionid);
if (sid) {
char *ctx = NULL;
u32 len;
@ -1543,7 +1544,7 @@ static void audit_log_rule_change(uid_t loginuid, u32 sid, char *action,
* @sid: SE Linux Security ID of sender
*/
int audit_receive_filter(int type, int pid, int uid, int seq, void *data,
size_t datasz, uid_t loginuid, u32 sid)
size_t datasz, uid_t loginuid, u32 sessionid, u32 sid)
{
struct task_struct *tsk;
struct audit_netlink_list *dest;
@ -1590,7 +1591,8 @@ int audit_receive_filter(int type, int pid, int uid, int seq, void *data,
err = audit_add_rule(entry,
&audit_filter_list[entry->rule.listnr]);
audit_log_rule_change(loginuid, sid, "add", &entry->rule, !err);
audit_log_rule_change(loginuid, sessionid, sid, "add",
&entry->rule, !err);
if (err)
audit_free_rule(entry);
@ -1606,8 +1608,8 @@ int audit_receive_filter(int type, int pid, int uid, int seq, void *data,
err = audit_del_rule(entry,
&audit_filter_list[entry->rule.listnr]);
audit_log_rule_change(loginuid, sid, "remove", &entry->rule,
!err);
audit_log_rule_change(loginuid, sessionid, sid, "remove",
&entry->rule, !err);
audit_free_rule(entry);
break;

17
net/key/af_key.c
View File

@ -1498,7 +1498,8 @@ static int pfkey_add(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hdr,
err = xfrm_state_update(x);
xfrm_audit_state_add(x, err ? 0 : 1,
audit_get_loginuid(current), 0);
audit_get_loginuid(current),
audit_get_sessionid(current), 0);
if (err < 0) {
x->km.state = XFRM_STATE_DEAD;
@ -1552,7 +1553,8 @@ static int pfkey_delete(struct sock *sk, struct sk_buff *skb, struct sadb_msg *h
km_state_notify(x, &c);
out:
xfrm_audit_state_delete(x, err ? 0 : 1,
audit_get_loginuid(current), 0);
audit_get_loginuid(current),
audit_get_sessionid(current), 0);
xfrm_state_put(x);
return err;
@ -1728,6 +1730,7 @@ static int pfkey_flush(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hd
return -EINVAL;
audit_info.loginuid = audit_get_loginuid(current);
audit_info.sessionid = audit_get_sessionid(current);
audit_info.secid = 0;
err = xfrm_state_flush(proto, &audit_info);
if (err)
@ -2324,7 +2327,8 @@ static int pfkey_spdadd(struct sock *sk, struct sk_buff *skb, struct sadb_msg *h
hdr->sadb_msg_type != SADB_X_SPDUPDATE);
xfrm_audit_policy_add(xp, err ? 0 : 1,
audit_get_loginuid(current), 0);
audit_get_loginuid(current),
audit_get_sessionid(current), 0);
if (err)
goto out;
@ -2406,7 +2410,8 @@ static int pfkey_spddelete(struct sock *sk, struct sk_buff *skb, struct sadb_msg
return -ENOENT;
xfrm_audit_policy_delete(xp, err ? 0 : 1,
audit_get_loginuid(current), 0);
audit_get_loginuid(current),
audit_get_sessionid(current), 0);
if (err)
goto out;
@ -2667,7 +2672,8 @@ static int pfkey_spdget(struct sock *sk, struct sk_buff *skb, struct sadb_msg *h
if (delete) {
xfrm_audit_policy_delete(xp, err ? 0 : 1,
audit_get_loginuid(current), 0);
audit_get_loginuid(current),
audit_get_sessionid(current), 0);
if (err)
goto out;
@ -2767,6 +2773,7 @@ static int pfkey_spdflush(struct sock *sk, struct sk_buff *skb, struct sadb_msg
int err;
audit_info.loginuid = audit_get_loginuid(current);
audit_info.sessionid = audit_get_sessionid(current);
audit_info.secid = 0;
err = xfrm_policy_flush(XFRM_POLICY_TYPE_MAIN, &audit_info);
if (err)

1
net/netlabel/netlabel_unlabeled.c
View File

@ -1780,6 +1780,7 @@ int __init netlbl_unlabel_defconf(void)
* messages so don't worry to much about these values. */
security_task_getsecid(current, &audit_info.secid);
audit_info.loginuid = 0;
audit_info.sessionid = 0;
entry = kzalloc(sizeof(*entry), GFP_KERNEL);
if (entry == NULL)

4
net/netlabel/netlabel_user.c
View File

@ -107,7 +107,9 @@ struct audit_buffer *netlbl_audit_start_common(int type,
if (audit_buf == NULL)
return NULL;
audit_log_format(audit_buf, "netlabel: auid=%u", audit_info->loginuid);
audit_log_format(audit_buf, "netlabel: auid=%u ses=%u",
audit_info->loginuid,
audit_info->sessionid);
if (audit_info->secid != 0 &&
security_secid_to_secctx(audit_info->secid,

1
net/netlabel/netlabel_user.h
View File

@ -51,6 +51,7 @@ static inline void netlbl_netlink_auditinfo(struct sk_buff *skb,
{
audit_info->secid = NETLINK_CB(skb).sid;
audit_info->loginuid = NETLINK_CB(skb).loginuid;
audit_info->sessionid = NETLINK_CB(skb).sessionid;
}
/* NetLabel NETLINK I/O functions */

1
net/netlink/af_netlink.c
View File

@ -1248,6 +1248,7 @@ static int netlink_sendmsg(struct kiocb *kiocb, struct socket *sock,
NETLINK_CB(skb).pid = nlk->pid;
NETLINK_CB(skb).dst_group = dst_group;
NETLINK_CB(skb).loginuid = audit_get_loginuid(current);
NETLINK_CB(skb).sessionid = audit_get_sessionid(current);
security_task_getsecid(current, &(NETLINK_CB(skb).sid));
memcpy(NETLINK_CREDS(skb), &siocb->scm->creds, sizeof(struct ucred));

12
net/xfrm/xfrm_policy.c
View File

@ -762,6 +762,7 @@ xfrm_policy_flush_secctx_check(u8 type, struct xfrm_audit *audit_info)
if (err) {
xfrm_audit_policy_delete(pol, 0,
audit_info->loginuid,
audit_info->sessionid,
audit_info->secid);
return err;
}
@ -777,6 +778,7 @@ xfrm_policy_flush_secctx_check(u8 type, struct xfrm_audit *audit_info)
if (err) {
xfrm_audit_policy_delete(pol, 0,
audit_info->loginuid,
audit_info->sessionid,
audit_info->secid);
return err;
}
@ -819,6 +821,7 @@ int xfrm_policy_flush(u8 type, struct xfrm_audit *audit_info)
write_unlock_bh(&xfrm_policy_lock);
xfrm_audit_policy_delete(pol, 1, audit_info->loginuid,
audit_info->sessionid,
audit_info->secid);
xfrm_policy_kill(pol);
@ -841,6 +844,7 @@ int xfrm_policy_flush(u8 type, struct xfrm_audit *audit_info)
xfrm_audit_policy_delete(pol, 1,
audit_info->loginuid,
audit_info->sessionid,
audit_info->secid);
xfrm_policy_kill(pol);
killed++;
@ -2472,14 +2476,14 @@ static void xfrm_audit_common_policyinfo(struct xfrm_policy *xp,
}
void xfrm_audit_policy_add(struct xfrm_policy *xp, int result,
u32 auid, u32 secid)
uid_t auid, u32 sessionid, u32 secid)
{
struct audit_buffer *audit_buf;
audit_buf = xfrm_audit_start("SPD-add");
if (audit_buf == NULL)
return;
xfrm_audit_helper_usrinfo(auid, secid, audit_buf);
xfrm_audit_helper_usrinfo(auid, sessionid, secid, audit_buf);
audit_log_format(audit_buf, " res=%u", result);
xfrm_audit_common_policyinfo(xp, audit_buf);
audit_log_end(audit_buf);
@ -2487,14 +2491,14 @@ void xfrm_audit_policy_add(struct xfrm_policy *xp, int result,
EXPORT_SYMBOL_GPL(xfrm_audit_policy_add);
void xfrm_audit_policy_delete(struct xfrm_policy *xp, int result,
u32 auid, u32 secid)
uid_t auid, u32 sessionid, u32 secid)
{
struct audit_buffer *audit_buf;
audit_buf = xfrm_audit_start("SPD-delete");
if (audit_buf == NULL)
return;
xfrm_audit_helper_usrinfo(auid, secid, audit_buf);
xfrm_audit_helper_usrinfo(auid, sessionid, secid, audit_buf);
audit_log_format(audit_buf, " res=%u", result);
xfrm_audit_common_policyinfo(xp, audit_buf);
audit_log_end(audit_buf);

13
net/xfrm/xfrm_state.c
View File

@ -496,7 +496,8 @@ expired:
km_state_expired(x, 1, 0);
xfrm_audit_state_delete(x, err ? 0 : 1,
audit_get_loginuid(current), 0);
audit_get_loginuid(current),
audit_get_sessionid(current), 0);
out:
spin_unlock(&x->lock);
@ -603,6 +604,7 @@ xfrm_state_flush_secctx_check(u8 proto, struct xfrm_audit *audit_info)
(err = security_xfrm_state_delete(x)) != 0) {
xfrm_audit_state_delete(x, 0,
audit_info->loginuid,
audit_info->sessionid,
audit_info->secid);
return err;
}
@ -641,6 +643,7 @@ restart:
err = xfrm_state_delete(x);
xfrm_audit_state_delete(x, err ? 0 : 1,
audit_info->loginuid,
audit_info->sessionid,
audit_info->secid);
xfrm_state_put(x);
@ -2123,14 +2126,14 @@ static void xfrm_audit_helper_pktinfo(struct sk_buff *skb, u16 family,
}
void xfrm_audit_state_add(struct xfrm_state *x, int result,
u32 auid, u32 secid)
uid_t auid, u32 sessionid, u32 secid)
{
struct audit_buffer *audit_buf;
audit_buf = xfrm_audit_start("SAD-add");
if (audit_buf == NULL)
return;
xfrm_audit_helper_usrinfo(auid, secid, audit_buf);
xfrm_audit_helper_usrinfo(auid, sessionid, secid, audit_buf);
xfrm_audit_helper_sainfo(x, audit_buf);
audit_log_format(audit_buf, " res=%u", result);
audit_log_end(audit_buf);
@ -2138,14 +2141,14 @@ void xfrm_audit_state_add(struct xfrm_state *x, int result,
EXPORT_SYMBOL_GPL(xfrm_audit_state_add);
void xfrm_audit_state_delete(struct xfrm_state *x, int result,
u32 auid, u32 secid)
uid_t auid, u32 sessionid, u32 secid)
{
struct audit_buffer *audit_buf;
audit_buf = xfrm_audit_start("SAD-delete");
if (audit_buf == NULL)
return;
xfrm_audit_helper_usrinfo(auid, secid, audit_buf);
xfrm_audit_helper_usrinfo(auid, sessionid, secid, audit_buf);
xfrm_audit_helper_sainfo(x, audit_buf);
audit_log_format(audit_buf, " res=%u", result);
audit_log_end(audit_buf);

41
net/xfrm/xfrm_user.c
View File

@ -407,6 +407,9 @@ static int xfrm_add_sa(struct sk_buff *skb, struct nlmsghdr *nlh,
struct xfrm_state *x;
int err;
struct km_event c;
uid_t loginuid = NETLINK_CB(skb).loginuid;
u32 sessionid = NETLINK_CB(skb).sessionid;
u32 sid = NETLINK_CB(skb).sid;
err = verify_newsa_info(p, attrs);
if (err)
@ -422,8 +425,7 @@ static int xfrm_add_sa(struct sk_buff *skb, struct nlmsghdr *nlh,
else
err = xfrm_state_update(x);
xfrm_audit_state_add(x, err ? 0 : 1, NETLINK_CB(skb).loginuid,
NETLINK_CB(skb).sid);
xfrm_audit_state_add(x, err ? 0 : 1, loginuid, sessionid, sid);
if (err < 0) {
x->km.state = XFRM_STATE_DEAD;
@ -478,6 +480,9 @@ static int xfrm_del_sa(struct sk_buff *skb, struct nlmsghdr *nlh,
int err = -ESRCH;
struct km_event c;
struct xfrm_usersa_id *p = nlmsg_data(nlh);
uid_t loginuid = NETLINK_CB(skb).loginuid;
u32 sessionid = NETLINK_CB(skb).sessionid;
u32 sid = NETLINK_CB(skb).sid;
x = xfrm_user_state_lookup(p, attrs, &err);
if (x == NULL)
@ -502,8 +507,7 @@ static int xfrm_del_sa(struct sk_buff *skb, struct nlmsghdr *nlh,
km_state_notify(x, &c);
out:
xfrm_audit_state_delete(x, err ? 0 : 1, NETLINK_CB(skb).loginuid,
NETLINK_CB(skb).sid);
xfrm_audit_state_delete(x, err ? 0 : 1, loginuid, sessionid, sid);
xfrm_state_put(x);
return err;
}
@ -1123,6 +1127,9 @@ static int xfrm_add_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
struct km_event c;
int err;
int excl;
uid_t loginuid = NETLINK_CB(skb).loginuid;
u32 sessionid = NETLINK_CB(skb).sessionid;
u32 sid = NETLINK_CB(skb).sid;
err = verify_newpolicy_info(p);
if (err)
@ -1141,8 +1148,7 @@ static int xfrm_add_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
* a type XFRM_MSG_UPDPOLICY - JHS */
excl = nlh->nlmsg_type == XFRM_MSG_NEWPOLICY;
err = xfrm_policy_insert(p->dir, xp, excl);
xfrm_audit_policy_add(xp, err ? 0 : 1, NETLINK_CB(skb).loginuid,
NETLINK_CB(skb).sid);
xfrm_audit_policy_add(xp, err ? 0 : 1, loginuid, sessionid, sid);
if (err) {
security_xfrm_policy_free(xp->security);
@ -1371,9 +1377,12 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
NETLINK_CB(skb).pid);
}
} else {
xfrm_audit_policy_delete(xp, err ? 0 : 1,
NETLINK_CB(skb).loginuid,
NETLINK_CB(skb).sid);
uid_t loginuid = NETLINK_CB(skb).loginuid;
u32 sessionid = NETLINK_CB(skb).sessionid;
u32 sid = NETLINK_CB(skb).sid;
xfrm_audit_policy_delete(xp, err ? 0 : 1, loginuid, sessionid,
sid);
if (err != 0)
goto out;
@ -1399,6 +1408,7 @@ static int xfrm_flush_sa(struct sk_buff *skb, struct nlmsghdr *nlh,
int err;
audit_info.loginuid = NETLINK_CB(skb).loginuid;
audit_info.sessionid = NETLINK_CB(skb).sessionid;
audit_info.secid = NETLINK_CB(skb).sid;
err = xfrm_state_flush(p->proto, &audit_info);
if (err)
@ -1546,6 +1556,7 @@ static int xfrm_flush_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
return err;
audit_info.loginuid = NETLINK_CB(skb).loginuid;
audit_info.sessionid = NETLINK_CB(skb).sessionid;
audit_info.secid = NETLINK_CB(skb).sid;
err = xfrm_policy_flush(type, &audit_info);
if (err)
@ -1604,9 +1615,11 @@ static int xfrm_add_pol_expire(struct sk_buff *skb, struct nlmsghdr *nlh,
read_unlock(&xp->lock);
err = 0;
if (up->hard) {
uid_t loginuid = NETLINK_CB(skb).loginuid;
uid_t sessionid = NETLINK_CB(skb).sessionid;
u32 sid = NETLINK_CB(skb).sid;
xfrm_policy_delete(xp, p->dir);
xfrm_audit_policy_delete(xp, 1, NETLINK_CB(skb).loginuid,
NETLINK_CB(skb).sid);
xfrm_audit_policy_delete(xp, 1, loginuid, sessionid, sid);
} else {
// reset the timers here?
@ -1640,9 +1653,11 @@ static int xfrm_add_sa_expire(struct sk_buff *skb, struct nlmsghdr *nlh,
km_state_expired(x, ue->hard, current->pid);
if (ue->hard) {
uid_t loginuid = NETLINK_CB(skb).loginuid;
uid_t sessionid = NETLINK_CB(skb).sessionid;
u32 sid = NETLINK_CB(skb).sid;
__xfrm_state_delete(x);
xfrm_audit_state_delete(x, 1, NETLINK_CB(skb).loginuid,
NETLINK_CB(skb).sid);
xfrm_audit_state_delete(x, 1, loginuid, sessionid, sid);
}
err = 0;
out:

2
security/smack/smackfs.c
View File

@ -324,6 +324,7 @@ void smk_cipso_doi(void)
struct netlbl_audit audit_info;
audit_info.loginuid = audit_get_loginuid(current);
audit_info.sessionid = audit_get_sessionid(current);
audit_info.secid = smack_to_secid(current->security);
rc = netlbl_cfg_map_del(NULL, &audit_info);
@ -356,6 +357,7 @@ void smk_unlbl_ambient(char *oldambient)
struct netlbl_audit audit_info;
audit_info.loginuid = audit_get_loginuid(current);
audit_info.sessionid = audit_get_sessionid(current);
audit_info.secid = smack_to_secid(current->security);
if (oldambient != NULL) {