diff options
Diffstat (limited to 'devices.c')
| -rw-r--r-- | devices.c | 38 |
1 files changed, 37 insertions, 1 deletions
@@ -97,7 +97,7 @@ int get_device_ip(const int sockfd, const char *device_name, struct sockaddr_in for (i = 0; i < device_count; ++i) { if (strcmp(ifr[i].ifr_name, device_name) == 0) { /* Fetch IP for found interface */ - memcpy(ip, &(ifr[i].ifr_addr), sizeof(ip)); + memcpy(ip, &(ifr[i].ifr_addr), sizeof(struct sockaddr_in)); free(ifr); return 1; } @@ -106,6 +106,42 @@ int get_device_ip(const int sockfd, const char *device_name, struct sockaddr_in return -1; } +int get_macs(int sockfd, char *name, int name_len, unsigned char *mac) { + static int first = 1; + static struct ifaddrs *int_addrs; + static const struct ifaddrs *int_cursor; + const struct sockaddr_in *dl_addr; + + if (first == 1) { + first = 0; + if (getifaddrs(&int_addrs) == 0) { + int_cursor = int_addrs; + } else { + first = 1; + return 0; + } + } + if (int_cursor != NULL) { + while (int_cursor != NULL) { + dl_addr = (const struct sockaddr_in *) int_cursor->ifa_addr; + if (dl_addr != NULL && dl_addr->sin_family == AF_PACKET) { + strncpy(name, int_cursor->ifa_name, name_len - 1); + name[name_len - 1] = '\0'; + int_cursor = int_cursor->ifa_next; + if (get_device_mac(sockfd, name, mac)) { + return 1; + } + } + int_cursor = int_cursor->ifa_next; + } + } + if (int_addrs != NULL) { + freeifaddrs(int_addrs); + int_addrs = NULL; + } + return 0; +} + int get_ips(char *name, int name_len, struct sockaddr_in *ip) { static int first = 1; static struct ifaddrs *int_addrs; |