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format if mac address

pull/5/head
Yu Qing 2016-01-12 11:18:29 +08:00
parent 1c6a73d4f3
commit c2b66b3ced
1 changed files with 26 additions and 11 deletions
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37
src/sockopt.c
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@ -41,6 +41,7 @@
#include <sys/sendfile.h>
#else
#ifdef OS_FREEBSD
#include <sys/sysctl.h>
#include <sys/uio.h>
#include <net/if_dl.h>
#include <netinet/if_ether.h>
@ -1805,6 +1806,29 @@ int gethostaddrs(char **if_alias_prefixes, const int prefix_count, \
#if defined(OS_LINUX) || defined(OS_FREEBSD)
static inline void formatifmac(char *buff, const int buff_size, unsigned char *hwaddr)
{
int i;
for (i=0; i<6; i++)
{
if (hwaddr[i] != 0)
{
break;
}
}
if (i == 6)
{
*buff = '\0';
return;
}
snprintf(buff, buff_size,
"%02X:%02X:%02X:%02X:%02X:%02X",
*hwaddr, *(hwaddr+1), *(hwaddr+2),
*(hwaddr+3), *(hwaddr+4), *(hwaddr+5));
}
#if defined(OS_LINUX)
static int getifmac(FastIFConfig *config)
{
@ -1833,14 +1857,7 @@ static int getifmac(FastIFConfig *config)
}
close(sockfd);
snprintf(config->mac, sizeof(config->mac),
"%02X:%02X:%02X:%02X:%02X:%02X",
req->ifr_hwaddr.sa_data[0] & 0xff,
req->ifr_hwaddr.sa_data[1] & 0xff,
req->ifr_hwaddr.sa_data[2] & 0xff,
req->ifr_hwaddr.sa_data[3] & 0xff,
req->ifr_hwaddr.sa_data[4] & 0xff,
req->ifr_hwaddr.sa_data[5] & 0xff);
formatifmac(config->mac, sizeof(config->mac), req->ifr_hwaddr.sa_data);
return 0;
}
#else //FreeBSD
@ -1881,9 +1898,7 @@ static int getifmac(FastIFConfig *config)
ifm = (struct if_msghdr *)buf;
sdl = (struct sockaddr_dl *)(ifm + 1);
ptr = (unsigned char *)LLADDR(sdl);
snprintf(config->mac, sizeof(config->mac),
"%02X:%02X:%02X:%02X:%02X:%02X",
*ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4), *(ptr+5));
formatifmac(config->mac, sizeof(config->mac), ptr);
return 0;
}
#endif