diff options
Diffstat (limited to 'source4/lib/socket/socket_ipv4.c')
| -rw-r--r-- | source4/lib/socket/socket_ipv4.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/source4/lib/socket/socket_ipv4.c b/source4/lib/socket/socket_ipv4.c index 9a1e7e43f6..151c49518f 100644 --- a/source4/lib/socket/socket_ipv4.c +++ b/source4/lib/socket/socket_ipv4.c @@ -293,6 +293,26 @@ static NTSTATUS ipv4_tcp_set_option(struct socket_context *sock, const char *opt return NT_STATUS_OK; } +static char *ipv4_tcp_get_peer_name(struct socket_context *sock, TALLOC_CTX *mem_ctx) +{ + struct sockaddr_in peer_addr; + socklen_t len = sizeof(peer_addr); + struct hostent *he; + int ret; + + ret = getpeername(sock->fd, (struct sockaddr *)&peer_addr, &len); + if (ret == -1) { + return NULL; + } + + he = gethostbyaddr((char *)&peer_addr.sin_addr, sizeof(peer_addr.sin_addr), AF_INET); + if (he == NULL) { + return NULL; + } + + return talloc_strdup(mem_ctx, he->h_name); +} + static char *ipv4_tcp_get_peer_addr(struct socket_context *sock, TALLOC_CTX *mem_ctx) { struct sockaddr_in peer_addr; @@ -368,6 +388,7 @@ static const struct socket_ops ipv4_tcp_ops = { .set_option = ipv4_tcp_set_option, + .get_peer_name = ipv4_tcp_get_peer_name, .get_peer_addr = ipv4_tcp_get_peer_addr, .get_peer_port = ipv4_tcp_get_peer_port, .get_my_addr = ipv4_tcp_get_my_addr, |