summaryrefslogtreecommitdiffstats
path: root/src/socket.c
diff options
context:
space:
mode:
authorGravatar Nikias Bassen2021-06-07 03:41:55 +0200
committerGravatar Nikias Bassen2021-06-07 03:41:55 +0200
commit0dcfb68954f7ee9957f528f0eea1f9dba9c9cb68 (patch)
tree2bc6e47debce816265ebdbb86a6f38feaf66dcfb /src/socket.c
parent046b26150e004a8ac740e699c6c3e11be29e8f11 (diff)
downloadlibimobiledevice-glue-0dcfb68954f7ee9957f528f0eea1f9dba9c9cb68.tar.gz
libimobiledevice-glue-0dcfb68954f7ee9957f528f0eea1f9dba9c9cb68.tar.bz2
socket: Add get_primary_mac_address()
Diffstat (limited to 'src/socket.c')
-rw-r--r--src/socket.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/src/socket.c b/src/socket.c
index 067ef41..2ffab4a 100644
--- a/src/socket.c
+++ b/src/socket.c
@@ -55,6 +55,12 @@ static int wsa_init = 0;
#ifdef AF_INET6
#include <net/if.h>
#include <ifaddrs.h>
+#ifdef __APPLE__
+#include <net/if_dl.h>
+#endif
+#ifdef __linux__
+#include <netpacket/packet.h>
+#endif
#endif
#endif
#include "common.h"
@@ -417,6 +423,7 @@ static void freeifaddrs(struct ifaddrs *ifa)
free(ifa->ifa_addr);
free(ifa->ifa_netmask);
free(ifa->ifa_dstaddr);
+ free(ifa->ifa_data);
freeifaddrs(ifa->ifa_next);
free(ifa);
}
@@ -501,6 +508,7 @@ static int getifaddrs(struct ifaddrs** ifap)
ifa = ifanew;
ifa->ifa_next = NULL;
}
+ ifa->ifa_data = NULL;
/* name */
ifa->ifa_name = strdup(adapter->AdapterName);
@@ -522,6 +530,12 @@ static int getifaddrs(struct ifaddrs** ifap)
ifa->ifa_netmask = (struct sockaddr*)malloc(sizeof(struct sockaddr_storage));
memset(ifa->ifa_netmask, 0, sizeof(struct sockaddr_storage));
+ /* store mac address */
+ if (adapter->PhysicalAddressLength == 6) {
+ ifa->ifa_data = malloc(6);
+ memcpy(ifa->ifa_data, adapter->PhysicalAddress, 6);
+ }
+
/* pre-Vista must hunt for matching prefix in linked list, otherwise use
* OnLinkPrefixLength from IP_ADAPTER_UNICAST_ADDRESS structure.
* FirstPrefix requires Windows XP SP1, from SP1 to pre-Vista provides a
@@ -685,6 +699,54 @@ static int getifaddrs(struct ifaddrs** ifap)
#endif
#endif
+LIBIMOBILEDEVICE_GLUE_API int get_primary_mac_address(unsigned char mac_addr_buf[6])
+{
+ int result = -1;
+ struct ifaddrs *ifaddr = NULL, *ifa = NULL;
+ if (getifaddrs(&ifaddr) != -1) {
+ for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
+ if (ifa->ifa_addr == NULL) {
+ continue;
+ }
+ if ((ifa->ifa_flags & IFF_UP) == 0) {
+ continue;
+ }
+ if (ifa->ifa_flags & IFF_LOOPBACK) {
+ continue;
+ }
+#if defined(__APPLE__)
+ if (ifa->ifa_addr->sa_family != AF_LINK) {
+ continue;
+ }
+ if (!strcmp(ifa->ifa_name, "en0")) {
+ memcpy(mac_addr_buf, (unsigned char *)LLADDR((struct sockaddr_dl *)(ifa)->ifa_addr), 6);
+ result = 0;
+ break;
+ }
+#elif defined (__linux__)
+ if (ifa->ifa_addr->sa_family != AF_PACKET) {
+ continue;
+ }
+ if (strcmp(ifa->ifa_name, "lo") != 0) {
+ memcpy(mac_addr_buf, ((struct sockaddr_ll*)ifa->ifa_addr)->sll_addr, 6);
+ result = 0;
+ break;
+ }
+#elif defined (WIN32)
+ if (ifa->ifa_data) {
+ memcpy(mac_addr_buf, ifa->ifa_data, 6);
+ result = 0;
+ break;
+ }
+#else
+#error get_primary_mac_address is not supported on this platform.
+#endif
+ }
+ freeifaddrs(ifaddr);
+ }
+ return result;
+}
+
static int32_t _sockaddr_in6_scope_id(struct sockaddr_in6* addr)
{
int32_t res = -1;