2 * Common hostapd/wpa_supplicant ctrl iface code.
3 * Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi>
4 * Copyright (c) 2015, Qualcomm Atheros, Inc.
6 * This software may be distributed under the terms of the BSD license.
7 * See README for more details.
10 #include "utils/includes.h"
14 #include "utils/common.h"
15 #include "ctrl_iface_common.h"
17 static int sockaddr_compare(struct sockaddr_storage *a, socklen_t a_len,
18 struct sockaddr_storage *b, socklen_t b_len)
20 if (a->ss_family != b->ss_family)
23 switch (a->ss_family) {
24 #ifdef CONFIG_CTRL_IFACE_UDP
27 struct sockaddr_in *in_a, *in_b;
29 in_a = (struct sockaddr_in *) a;
30 in_b = (struct sockaddr_in *) b;
32 if (in_a->sin_port != in_b->sin_port)
34 if (in_a->sin_addr.s_addr != in_b->sin_addr.s_addr)
40 struct sockaddr_in6 *in6_a, *in6_b;
42 in6_a = (struct sockaddr_in6 *) a;
43 in6_b = (struct sockaddr_in6 *) b;
45 if (in6_a->sin6_port != in6_b->sin6_port)
47 if (os_memcmp(&in6_a->sin6_addr, &in6_b->sin6_addr,
48 sizeof(in6_a->sin6_addr)) != 0)
52 #endif /* CONFIG_CTRL_IFACE_UDP */
53 #ifdef CONFIG_CTRL_IFACE_UNIX
56 struct sockaddr_un *u_a, *u_b;
58 u_a = (struct sockaddr_un *) a;
59 u_b = (struct sockaddr_un *) b;
62 os_memcmp(u_a->sun_path, u_b->sun_path,
63 a_len - offsetof(struct sockaddr_un, sun_path))
68 #endif /* CONFIG_CTRL_IFACE_UNIX */
77 void sockaddr_print(int level, const char *msg, struct sockaddr_storage *sock,
80 switch (sock->ss_family) {
81 #ifdef CONFIG_CTRL_IFACE_UDP
85 char host[NI_MAXHOST] = { 0 };
86 char service[NI_MAXSERV] = { 0 };
88 getnameinfo((struct sockaddr *) sock, socklen,
90 service, sizeof(service),
93 wpa_printf(level, "%s %s:%s", msg, host, service);
96 #endif /* CONFIG_CTRL_IFACE_UDP */
97 #ifdef CONFIG_CTRL_IFACE_UNIX
102 printf_encode(addr_txt, sizeof(addr_txt),
103 (u8 *) ((struct sockaddr_un *) sock)->sun_path,
104 socklen - offsetof(struct sockaddr_un, sun_path));
105 wpa_printf(level, "%s %s", msg, addr_txt);
108 #endif /* CONFIG_CTRL_IFACE_UNIX */
110 wpa_printf(level, "%s", msg);
116 int ctrl_iface_attach(struct dl_list *ctrl_dst, struct sockaddr_storage *from,
119 struct wpa_ctrl_dst *dst;
121 dst = os_zalloc(sizeof(*dst));
124 os_memcpy(&dst->addr, from, fromlen);
125 dst->addrlen = fromlen;
126 dst->debug_level = MSG_INFO;
127 dl_list_add(ctrl_dst, &dst->list);
129 sockaddr_print(MSG_DEBUG, "CTRL_IFACE monitor attached", from, fromlen);
134 int ctrl_iface_detach(struct dl_list *ctrl_dst, struct sockaddr_storage *from,
137 struct wpa_ctrl_dst *dst;
139 dl_list_for_each(dst, ctrl_dst, struct wpa_ctrl_dst, list) {
140 if (!sockaddr_compare(from, fromlen,
141 &dst->addr, dst->addrlen)) {
142 sockaddr_print(MSG_DEBUG, "CTRL_IFACE monitor detached",
144 dl_list_del(&dst->list);
154 int ctrl_iface_level(struct dl_list *ctrl_dst, struct sockaddr_storage *from,
155 socklen_t fromlen, const char *level)
157 struct wpa_ctrl_dst *dst;
159 wpa_printf(MSG_DEBUG, "CTRL_IFACE LEVEL %s", level);
161 dl_list_for_each(dst, ctrl_dst, struct wpa_ctrl_dst, list) {
162 if (!sockaddr_compare(from, fromlen,
163 &dst->addr, dst->addrlen)) {
164 sockaddr_print(MSG_DEBUG,
165 "CTRL_IFACE changed monitor level",
167 dst->debug_level = atoi(level);