gfp_t gfp_mask;
};
+struct audit_reply {
+ int pid;
+ struct sk_buff *skb;
+};
+
static void audit_set_pid(struct audit_buffer *ab, pid_t pid)
{
if (ab) {
int err;
read_lock(&tasklist_lock);
- tsk = find_task_by_pid(pid);
+ tsk = find_task_by_vpid(pid);
err = -ESRCH;
if (!tsk)
goto out;
return NULL;
}
+static int audit_send_reply_thread(void *arg)
+{
+ struct audit_reply *reply = (struct audit_reply *)arg;
+
+ mutex_lock(&audit_cmd_mutex);
+ mutex_unlock(&audit_cmd_mutex);
+
+ /* Ignore failure. It'll only happen if the sender goes away,
+ because our timeout is set to infinite. */
+ netlink_unicast(audit_sock, reply->skb, reply->pid, 0);
+ kfree(reply);
+ return 0;
+}
/**
* audit_send_reply - send an audit reply message via netlink
* @pid: process id to send reply to
void audit_send_reply(int pid, int seq, int type, int done, int multi,
void *payload, int size)
{
- struct sk_buff *skb;
+ struct sk_buff *skb;
+ struct task_struct *tsk;
+ struct audit_reply *reply = kmalloc(sizeof(struct audit_reply),
+ GFP_KERNEL);
+
+ if (!reply)
+ return;
+
skb = audit_make_reply(pid, seq, type, done, multi, payload, size);
if (!skb)
+ goto out;
+
+ reply->pid = pid;
+ reply->skb = skb;
+
+ tsk = kthread_run(audit_send_reply_thread, reply, "audit_send_reply");
+ if (!IS_ERR(tsk))
return;
- /* Ignore failure. It'll only happen if the sender goes away,
- because our timeout is set to infinite. */
- netlink_unicast(audit_sock, skb, pid, 0);
- return;
+ kfree_skb(skb);
+out:
+ kfree(reply);
}
/*
if (!audit_enabled && msg_type != AUDIT_USER_AVC)
return 0;
- err = audit_filter_user(&NETLINK_CB(skb), msg_type);
+ err = audit_filter_user(&NETLINK_CB(skb));
if (err == 1) {
err = 0;
if (msg_type == AUDIT_USER_TTY) {
audit_log_format(ab, " msg=");
size = nlmsg_len(nlh);
- audit_log_n_untrustedstring(ab, size,
- data);
+ audit_log_n_untrustedstring(ab, data, size);
}
audit_set_pid(ab, pid);
audit_log_end(ab);
}
/* fallthrough */
case AUDIT_LIST:
- err = audit_receive_filter(nlh->nlmsg_type, NETLINK_CB(skb).pid,
+ err = audit_receive_filter(msg_type, NETLINK_CB(skb).pid,
uid, seq, data, nlmsg_len(nlh),
loginuid, sessionid, sid);
break;
}
/* fallthrough */
case AUDIT_LIST_RULES:
- err = audit_receive_filter(nlh->nlmsg_type, NETLINK_CB(skb).pid,
+ err = audit_receive_filter(msg_type, NETLINK_CB(skb).pid,
uid, seq, data, nlmsg_len(nlh),
loginuid, sessionid, sid);
break;
case AUDIT_MAKE_EQUIV: {
void *bufp = data;
u32 sizes[2];
- size_t len = nlmsg_len(nlh);
+ size_t msglen = nlmsg_len(nlh);
char *old, *new;
err = -EINVAL;
- if (len < 2 * sizeof(u32))
+ if (msglen < 2 * sizeof(u32))
break;
memcpy(sizes, bufp, 2 * sizeof(u32));
bufp += 2 * sizeof(u32);
- len -= 2 * sizeof(u32);
- old = audit_unpack_string(&bufp, &len, sizes[0]);
+ msglen -= 2 * sizeof(u32);
+ old = audit_unpack_string(&bufp, &msglen, sizes[0]);
if (IS_ERR(old)) {
err = PTR_ERR(old);
break;
}
- new = audit_unpack_string(&bufp, &len, sizes[1]);
+ new = audit_unpack_string(&bufp, &msglen, sizes[1]);
if (IS_ERR(new)) {
err = PTR_ERR(new);
kfree(old);
struct task_struct *tsk;
read_lock(&tasklist_lock);
- tsk = find_task_by_pid(pid);
+ tsk = find_task_by_vpid(pid);
if (!tsk)
err = -ESRCH;
else {
if (s->enabled != 0 && s->enabled != 1)
return -EINVAL;
read_lock(&tasklist_lock);
- tsk = find_task_by_pid(pid);
+ tsk = find_task_by_vpid(pid);
if (!tsk)
err = -ESRCH;
else {
* This function will take the passed buf and convert it into a string of
* ascii hex digits. The new string is placed onto the skb.
*/
-void audit_log_hex(struct audit_buffer *ab, const unsigned char *buf,
+void audit_log_n_hex(struct audit_buffer *ab, const unsigned char *buf,
size_t len)
{
int i, avail, new_len;
* Format a string of no more than slen characters into the audit buffer,
* enclosed in quote marks.
*/
-static void audit_log_n_string(struct audit_buffer *ab, size_t slen,
- const char *string)
+void audit_log_n_string(struct audit_buffer *ab, const char *string,
+ size_t slen)
{
int avail, new_len;
unsigned char *ptr;
* The caller specifies the number of characters in the string to log, which may
* or may not be the entire string.
*/
-void audit_log_n_untrustedstring(struct audit_buffer *ab, size_t len,
- const char *string)
+void audit_log_n_untrustedstring(struct audit_buffer *ab, const char *string,
+ size_t len)
{
if (audit_string_contains_control(string, len))
- audit_log_hex(ab, string, len);
+ audit_log_n_hex(ab, string, len);
else
- audit_log_n_string(ab, len, string);
+ audit_log_n_string(ab, string, len);
}
/**
*/
void audit_log_untrustedstring(struct audit_buffer *ab, const char *string)
{
- audit_log_n_untrustedstring(ab, strlen(string), string);
+ audit_log_n_untrustedstring(ab, string, strlen(string));
}
/* This is a helper-function to print the escaped d_path */