diff options
| author | Martin Schiller <ms@dev.tdt.de> | 2018-11-27 09:50:28 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-11-29 23:25:36 +0100 |
| commit | 06137619f061f498c2924f6543fa45b7d39f0501 (patch) | |
| tree | a7d0c8beda7aad18a7e720f6c03d397f185b29d0 /net | |
| parent | net/x25: fix called/calling length calculation in x25_parse_address_block (diff) | |
| download | linux-06137619f061f498c2924f6543fa45b7d39f0501.tar.xz linux-06137619f061f498c2924f6543fa45b7d39f0501.zip | |
net/x25: fix null_x25_address handling
o x25_find_listener(): the compare for the null_x25_address was wrong.
We have to check the x25_addr of the listener socket instead of the
x25_addr of the incomming call.
o x25_bind(): it was not possible to bind a socket to null_x25_address
Signed-off-by: Martin Schiller <ms@dev.tdt.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/x25/af_x25.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c index 5226a7f43050..5121729b8b63 100644 --- a/net/x25/af_x25.c +++ b/net/x25/af_x25.c @@ -288,7 +288,7 @@ static struct sock *x25_find_listener(struct x25_address *addr, sk_for_each(s, &x25_list) if ((!strcmp(addr->x25_addr, x25_sk(s)->source_addr.x25_addr) || - !strcmp(addr->x25_addr, + !strcmp(x25_sk(s)->source_addr.x25_addr, null_x25_address.x25_addr)) && s->sk_state == TCP_LISTEN) { /* @@ -688,11 +688,15 @@ static int x25_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) goto out; } - len = strlen(addr->sx25_addr.x25_addr); - for (i = 0; i < len; i++) { - if (!isdigit(addr->sx25_addr.x25_addr[i])) { - rc = -EINVAL; - goto out; + /* check for the null_x25_address */ + if (strcmp(addr->sx25_addr.x25_addr, null_x25_address.x25_addr)) { + + len = strlen(addr->sx25_addr.x25_addr); + for (i = 0; i < len; i++) { + if (!isdigit(addr->sx25_addr.x25_addr[i])) { + rc = -EINVAL; + goto out; + } } } |