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#include <machine/rtems-bsd-user-space.h>
/*
* Common hostapd/wpa_supplicant ctrl iface code.
* Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi>
* Copyright (c) 2015, Qualcomm Atheros, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include <netdb.h>
#include <sys/un.h>
#include "utils/common.h"
#include "ctrl_iface_common.h"
static int sockaddr_compare(struct sockaddr_storage *a, socklen_t a_len,
struct sockaddr_storage *b, socklen_t b_len)
{
if (a->ss_family != b->ss_family)
return 1;
switch (a->ss_family) {
#ifdef CONFIG_CTRL_IFACE_UDP
case AF_INET:
{
struct sockaddr_in *in_a, *in_b;
in_a = (struct sockaddr_in *) a;
in_b = (struct sockaddr_in *) b;
if (in_a->sin_port != in_b->sin_port)
return 1;
if (in_a->sin_addr.s_addr != in_b->sin_addr.s_addr)
return 1;
break;
}
case AF_INET6:
{
struct sockaddr_in6 *in6_a, *in6_b;
in6_a = (struct sockaddr_in6 *) a;
in6_b = (struct sockaddr_in6 *) b;
if (in6_a->sin6_port != in6_b->sin6_port)
return 1;
if (os_memcmp(&in6_a->sin6_addr, &in6_b->sin6_addr,
sizeof(in6_a->sin6_addr)) != 0)
return 1;
break;
}
#endif /* CONFIG_CTRL_IFACE_UDP */
#ifdef CONFIG_CTRL_IFACE_UNIX
case AF_UNIX:
{
struct sockaddr_un *u_a, *u_b;
u_a = (struct sockaddr_un *) a;
u_b = (struct sockaddr_un *) b;
if (a_len != b_len ||
os_memcmp(u_a->sun_path, u_b->sun_path,
a_len - offsetof(struct sockaddr_un, sun_path))
!= 0)
return 1;
break;
}
#endif /* CONFIG_CTRL_IFACE_UNIX */
default:
return 1;
}
return 0;
}
void sockaddr_print(int level, const char *msg, struct sockaddr_storage *sock,
socklen_t socklen)
{
switch (sock->ss_family) {
#ifdef CONFIG_CTRL_IFACE_UDP
case AF_INET:
case AF_INET6:
{
char host[NI_MAXHOST] = { 0 };
char service[NI_MAXSERV] = { 0 };
getnameinfo((struct sockaddr *) sock, socklen,
host, sizeof(host),
service, sizeof(service),
NI_NUMERICHOST);
wpa_printf(level, "%s %s:%s", msg, host, service);
break;
}
#endif /* CONFIG_CTRL_IFACE_UDP */
#ifdef CONFIG_CTRL_IFACE_UNIX
case AF_UNIX:
{
char addr_txt[200];
printf_encode(addr_txt, sizeof(addr_txt),
(u8 *) ((struct sockaddr_un *) sock)->sun_path,
socklen - offsetof(struct sockaddr_un, sun_path));
wpa_printf(level, "%s %s", msg, addr_txt);
break;
}
#endif /* CONFIG_CTRL_IFACE_UNIX */
default:
wpa_printf(level, "%s", msg);
break;
}
}
int ctrl_iface_attach(struct dl_list *ctrl_dst, struct sockaddr_storage *from,
socklen_t fromlen)
{
struct wpa_ctrl_dst *dst;
dst = os_zalloc(sizeof(*dst));
if (dst == NULL)
return -1;
os_memcpy(&dst->addr, from, fromlen);
dst->addrlen = fromlen;
dst->debug_level = MSG_INFO;
dl_list_add(ctrl_dst, &dst->list);
sockaddr_print(MSG_DEBUG, "CTRL_IFACE monitor attached", from, fromlen);
return 0;
}
int ctrl_iface_detach(struct dl_list *ctrl_dst, struct sockaddr_storage *from,
socklen_t fromlen)
{
struct wpa_ctrl_dst *dst;
dl_list_for_each(dst, ctrl_dst, struct wpa_ctrl_dst, list) {
if (!sockaddr_compare(from, fromlen,
&dst->addr, dst->addrlen)) {
sockaddr_print(MSG_DEBUG, "CTRL_IFACE monitor detached",
from, fromlen);
dl_list_del(&dst->list);
os_free(dst);
return 0;
}
}
return -1;
}
int ctrl_iface_level(struct dl_list *ctrl_dst, struct sockaddr_storage *from,
socklen_t fromlen, const char *level)
{
struct wpa_ctrl_dst *dst;
wpa_printf(MSG_DEBUG, "CTRL_IFACE LEVEL %s", level);
dl_list_for_each(dst, ctrl_dst, struct wpa_ctrl_dst, list) {
if (!sockaddr_compare(from, fromlen,
&dst->addr, dst->addrlen)) {
sockaddr_print(MSG_DEBUG,
"CTRL_IFACE changed monitor level",
from, fromlen);
dst->debug_level = atoi(level);
return 0;
}
}
return -1;
}
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