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libosmocore
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macaddr: Add some code for FreeBSD (it should work on the others too) 

There doesn't seem to be a way to share this code with Linux as
it doesn't have the sockaddr_dl concept inside the getifaddrs.

I manually verified this on a FreeBSD10 box and hex decoding gave
me the correct mac address and rc was 0.
This commit is contained in:
Holger Hans Peter Freyther 2014-08-21 14:14:38 +02:00
parent f196a02a65
commit efe0100189
1 changed files with 41 additions and 0 deletions
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41
src/macaddr.c
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@ -25,6 +25,46 @@ int osmo_macaddr_parse(uint8_t *out, const char *in)
return 0;
}
#if defined(__FreeBSD__)
#include <sys/socket.h>
#include <sys/types.h>
#include <ifaddrs.h>
#include <net/if_dl.h>
#include <net/if_types.h>
int osmo_get_macaddr(uint8_t *mac_out, const char *dev_name)
{
int rc = -1;
struct ifaddrs *ifa, *ifaddr;
if (getifaddrs(&ifaddr) != 0)
return -1;
for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
struct sockaddr_dl *sdl;
sdl = (struct sockaddr_dl *) ifa->ifa_addr;
if (!sdl)
continue;
if (sdl->sdl_family != AF_LINK)
continue;
if (sdl->sdl_type != IFT_ETHER)
continue;
if (strcmp(ifa->ifa_name, dev_name) != 0)
continue;
memcpy(mac_out, LLADDR(sdl), 6);
rc = 0;
break;
}
freeifaddrs(ifaddr);
return 0;
}
#else
#include <sys/ioctl.h>
#include <net/if.h>
#include <netinet/ip.h>
@ -50,3 +90,4 @@ int osmo_get_macaddr(uint8_t *mac_out, const char *dev_name)
return 0;
}
#endif