int if_global_nameindex(lua_State *L)
{
struct if_nameindex *ni, *oni;
int i = 1;
oni = ni = if_nameindex();
lua_newtable(L);
while (ni && ni->if_index && *(ni->if_name))
{
/* at result[i], we store.. */
lua_pushnumber(L, i);
/* new table with two items - index, name*/
lua_newtable(L);
lua_pushstring(L, "index");
lua_pushnumber(L, ni->if_index);
lua_settable(L, -3);
lua_pushstring(L, "name");
lua_pushstring(L, ni->if_name);
lua_settable(L, -3);
/* Then, actually store it */
lua_settable(L, -3);
i++;
ni++;
}
if_freenameindex(oni);
return 1;
}
InterfaceIndexTable *getNonLoopbackInterfaceIndexTable(void)
{
DWORD numInterfaces;
InterfaceIndexTable *ret;
int fd = socket(PF_INET, SOCK_DGRAM, 0);
if (fd != -1) {
struct if_nameindex *indexes = if_nameindex();
if (indexes) {
struct if_nameindex *p;
DWORD size = sizeof(InterfaceIndexTable);
for (p = indexes, numInterfaces = 0; p && p->if_name; p++)
if (!isLoopbackInterface(fd, p->if_name))
numInterfaces++;
if (numInterfaces > 1)
size += (numInterfaces - 1) * sizeof(DWORD);
ret = HeapAlloc(GetProcessHeap(), 0, size);
if (ret) {
ret->numIndexes = 0;
for (p = indexes; p && p->if_name; p++)
if (!isLoopbackInterface(fd, p->if_name))
ret->indexes[ret->numIndexes++] = p->if_index;
}
if_freenameindex(indexes);
}
else
ret = NULL;
close(fd);
}
else
ret = NULL;
return ret;
}
int NET_IF_DISCOVERY(AGENT_REQUEST *request, AGENT_RESULT *result)
{
struct if_nameindex *ni;
struct zbx_json j;
int i;
if (NULL == (ni = if_nameindex()))
{
SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot obtain system information: %s", zbx_strerror(errno)));
return SYSINFO_RET_FAIL;
}
zbx_json_init(&j, ZBX_JSON_STAT_BUF_LEN);
zbx_json_addarray(&j, ZBX_PROTO_TAG_DATA);
for (i = 0; 0 != ni[i].if_index; i++)
{
zbx_json_addobject(&j, NULL);
zbx_json_addstring(&j, "{#IFNAME}", ni[i].if_name, ZBX_JSON_TYPE_STRING);
zbx_json_close(&j);
}
if_freenameindex(ni);
zbx_json_close(&j);
SET_STR_RESULT(result, strdup(j.buffer));
zbx_json_free(&j);
return SYSINFO_RET_OK;
}
int checkinterface(netdata* data)
{
int interfacefound = FALSE;
unsigned int i;
struct if_nameindex *ifs;
#ifdef DEBUG
fprintf( stderr, "Checking the interface '%s' now ...\n", data->ifdata.if_name );
#endif
if ((ifs = if_nameindex()) == NULL)
return FALSE;
for (i = 0; ifs[i].if_index; i++)
{
if (strcmp(ifs[i].if_name, data->ifdata.if_name) == 0)
{
interfacefound = TRUE;
break;
}
}
/* free the nameindex structure */
if_freenameindex(ifs);
/* check if the /proc/net/dev exists */
if (access(PATH_NET_DEV, R_OK) != 0)
{
data->errorcode = PROC_DEVICE_NOT_FOUND;
return FALSE;
}
return interfacefound;
}
unsigned char
complete_ifname(char *word, int list, EditLine *el)
{
StringList *words;
size_t wordlen;
unsigned char rv;
words = sl_init();
wordlen = strlen(word);
struct if_nameindex *ifn_list, *ifnp;
if ((ifn_list = if_nameindex()) == NULL)
return 0;
for (ifnp = ifn_list; ifnp->if_name != NULL; ifnp++) {
if (wordlen > strlen(ifnp->if_name))
continue;
if (strncmp(word, ifnp->if_name, wordlen) == 0)
sl_add(words, ifnp->if_name);
}
rv = complete_ambiguous(word, list, words, el);
if_freenameindex(ifn_list);
sl_free(words, 0);
return (rv);
}
int NET_IF_DISCOVERY(AGENT_REQUEST *request, AGENT_RESULT *result)
{
int ret = SYSINFO_RET_FAIL, i;
struct zbx_json j;
struct if_nameindex *interfaces;
zbx_json_init(&j, ZBX_JSON_STAT_BUF_LEN);
zbx_json_addarray(&j, ZBX_PROTO_TAG_DATA);
if (NULL != (interfaces = if_nameindex()))
{
i = 0;
while (0 != interfaces[i].if_index)
{
zbx_json_addobject(&j, NULL);
zbx_json_addstring(&j, "{#IFNAME}", interfaces[i].if_name, ZBX_JSON_TYPE_STRING);
zbx_json_close(&j);
i++;
}
ret = SYSINFO_RET_OK;
}
zbx_json_close(&j);
SET_STR_RESULT(result, strdup(j.buffer));
zbx_json_free(&j);
return ret;
}
/**
* net_get_netdev_from_hwaddress - given a hwaddress return the ethX
* @hwaddress: hw address no larger than ISCSI_HWADDRESS_BUF_SIZE
* @netdev: buffer of IFNAMSIZ size that will hold the ethX
*
* Does not support interfaces like a bond or alias because
* multiple interfaces will have the same hwaddress.
*/
int net_get_netdev_from_hwaddress(char *hwaddress, char *netdev)
{
struct if_nameindex *ifni;
struct ifreq if_hwaddr;
int found = 0, sockfd, i = 0;
unsigned char *hwaddr;
char tmp_hwaddress[ISCSI_HWADDRESS_BUF_SIZE];
ifni = if_nameindex();
if (ifni == NULL) {
log_error("Could not match hwaddress %s to netdev. "
"getifaddrs failed %d", hwaddress, errno);
return errno;
}
/* Open a basic socket. */
sockfd = socket(AF_INET, SOCK_DGRAM, 0);
if (sockfd < 0) {
log_error("Could not open socket for ioctl.");
goto free_ifni;
}
for (i = 0; ifni[i].if_index && ifni[i].if_name; i++) {
struct if_nameindex *n = &ifni[i];
strlcpy(if_hwaddr.ifr_name, n->if_name, IFNAMSIZ);
if (ioctl(sockfd, SIOCGIFHWADDR, &if_hwaddr) < 0) {
log_error("Could not match %s to netdevice.",
hwaddress);
continue;
}
/* check for ARPHRD_ETHER (ethernet) */
if (if_hwaddr.ifr_hwaddr.sa_family != 1)
continue;
hwaddr = (unsigned char *)if_hwaddr.ifr_hwaddr.sa_data;
memset(tmp_hwaddress, 0, ISCSI_HWADDRESS_BUF_SIZE);
/* TODO should look and covert so we do not need tmp buf */
sprintf(tmp_hwaddress, "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x",
hwaddr[0], hwaddr[1], hwaddr[2], hwaddr[3],
hwaddr[4], hwaddr[5]);
log_debug(4, "Found hardware address %s", tmp_hwaddress);
if (!strcasecmp(tmp_hwaddress, hwaddress)) {
log_debug(4, "Matches %s to %s", hwaddress,
n->if_name);
memset(netdev, 0, IFNAMSIZ);
strlcpy(netdev, n->if_name, IFNAMSIZ);
found = 1;
break;
}
}
close(sockfd);
free_ifni:
if_freenameindex(ifni);
if (!found)
return ENODEV;
return 0;
}
void tcp_get_mac_address(rdpTcp * tcp)
{
#ifdef LINUX
uint8* mac;
struct ifreq if_req;
struct if_nameindex* ni;
ni = if_nameindex();
mac = tcp->mac_address;
while (ni->if_name != NULL)
{
if (strcmp(ni->if_name, "lo") != 0)
break;
ni++;
}
strncpy(if_req.ifr_name, ni->if_name, IF_NAMESIZE);
if (ioctl(tcp->sockfd, SIOCGIFHWADDR, &if_req) != 0)
{
freerdp_log(tcp->instance, "failed to obtain MAC address\n");
return;
}
memmove((void*) mac, (void*) &if_req.ifr_ifru.ifru_hwaddr.sa_data[0], 6);
#endif
/* freerdp_log(tcp->instance, "MAC: %02X:%02X:%02X:%02X:%02X:%02X\n",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); */
}
InterfaceIndexTable *getInterfaceIndexTable(void)
{
DWORD numInterfaces;
InterfaceIndexTable *ret;
struct if_nameindex *indexes = if_nameindex();
if (indexes) {
struct if_nameindex *p;
DWORD size = sizeof(InterfaceIndexTable);
for (p = indexes, numInterfaces = 0; p && p->if_name; p++)
numInterfaces++;
if (numInterfaces > 1)
size += (numInterfaces - 1) * sizeof(DWORD);
ret = HeapAlloc(GetProcessHeap(), 0, size);
if (ret) {
ret->numIndexes = 0;
for (p = indexes; p && p->if_name; p++)
ret->indexes[ret->numIndexes++] = p->if_index;
}
if_freenameindex(indexes);
}
else
ret = NULL;
return ret;
}
struct if_nameindex* If_nameindex(void)
{
struct if_nameindex* ifptr;
if ((ifptr = if_nameindex()) == NULL) err_quit("if_nameindex error");
return (ifptr);
}
extern char* get_ip()
{
int fd;
struct if_nameindex *curif, *ifs;
struct ifreq req;
char ip[16];
if((fd = socket(PF_INET, SOCK_DGRAM, 0)) != -1) {
ifs = if_nameindex();
if(ifs) {
for(curif = ifs; curif && curif->if_name; curif++) {
strncpy(req.ifr_name, curif->if_name, IFNAMSIZ);
req.ifr_name[IFNAMSIZ] = 0;
if (ioctl(fd, SIOCGIFADDR, &req) >= 0 && !strcmp(curif->if_name,"eth2")){
sprintf(ip,"%s",inet_ntoa(((struct sockaddr_in*) &req.ifr_addr)->sin_addr));
}
}
if_freenameindex(ifs);
if(close(fd)!=0)
perror("close");
} else
perror("if_nameindex");
} else
perror("socket");
return ip;
}
static int name_to_index(const char *ifname)
{
struct if_nameindex *ini;
int ifindex = -1;
int i;
if (!ifname)
return -1;
ini = if_nameindex();
if (!ini) {
int err = errno;
fprintf(stderr,
"%s: interface=%s: failure solving index: errno=%d: %s\n",
prog_name, ifname, err, strerror(err));
errno = err;
return -1;
}
for (i = 0; ini[i].if_index; ++i) {
if (!strcmp(ini[i].if_name, ifname)) {
ifindex = ini[i].if_index;
break;
}
}
if_freenameindex(ini);
return ifindex;
}
int NET_IF_DISCOVERY(const char *cmd, const char *param, unsigned flags, AGENT_RESULT *result)
{
struct if_nameindex *ni;
struct zbx_json j;
int i;
zbx_json_init(&j, ZBX_JSON_STAT_BUF_LEN);
zbx_json_addarray(&j, ZBX_PROTO_TAG_DATA);
for (ni = if_nameindex(), i = 0; 0 != ni[i].if_index; i++)
{
zbx_json_addobject(&j, NULL);
zbx_json_addstring(&j, "{#IFNAME}", ni[i].if_name, ZBX_JSON_TYPE_STRING);
zbx_json_close(&j);
}
if_freenameindex(ni);
zbx_json_close(&j);
SET_STR_RESULT(result, strdup(j.buffer));
zbx_json_free(&j);
return SYSINFO_RET_OK;
}
int main( void )
{
struct if_nameindex *nis;
char ifname[ IFNAMSIZ ];
int i;
nis = if_nameindex();
if( nis )
{
printf("----- List of interfaces -----\n");
for( i = 0; nis[ i ].if_index != 0; i++ )
printf("Index %d = [%s]\n", nis[ i ].if_index, nis[ i ].if_name );
printf("----- End of list -----\n");
if_freenameindex( nis );
}
else
perror("if_nameindex()");
i = if_nametoindex("lan0");
printf("Index of lan0 = %d\n", i );
printf("name of index %d = [%s]\n", i, if_indextoname( i, ifname ));
i = if_nametoindex("lo");
printf("Index of lo = %d\n", i );
printf("name of index %d = [%s]\n", i, if_indextoname( i, ifname ));
return 0;
}
/*
* read the config file
*/
int
qcmd_config(void)
{
FILE *fp;
int rval;
if (if_namelist != NULL)
if_freenameindex(if_namelist);
if_namelist = if_nameindex();
curifname[0] = '\0';
LOG(LOG_INFO, 0, "ALTQ config file is %s", altqconfigfile);
fp = fopen(altqconfigfile, "r");
if (fp == NULL) {
LOG(LOG_ERR, errno, "can't open %s", altqconfigfile, 0);
return (QOPERR_INVAL);
}
line_no = 0;
rval = 1;
while (rval)
rval = do_command(fp);
if (!feof(fp)) {
LOG(LOG_ERR, 0, "Error in %s, line %d. config failed.",
altqconfigfile, line_no);
(void) qcmd_destroyall();
rval = QOPERR_INVAL;
} else
rval = 0;
(void)fclose(fp);
line_no = 0;
return (rval);
}
/*
* see if ("option routers %s;\n",dst) is preset in any possible dhclient
* lease file
*/
int dhclient_isenabled(char *dst)
{
int gatewayfound = 0;
struct stat enst;
struct if_nameindex *ifn_list, *ifnp;
char ortext[128];
char leasefile[sizeof(LEASEPREFIX)+IFNAMSIZ+1];
if ((ifn_list = if_nameindex()) == NULL) {
printf("%% dhclient_isenabled: if_nameindex failed\n");
return 0;
}
snprintf(ortext, sizeof(ortext), " option routers %s;\n", dst);
for (ifnp = ifn_list; ifnp->if_name != NULL; ifnp++) {
snprintf(leasefile, sizeof(leasefile), "%s.%s", LEASEPREFIX,
ifnp->if_name);
if (stat(leasefile, &enst) == 0 && S_ISREG(enst.st_mode))
if(scantext(leasefile, ortext)) {
gatewayfound = 1;
break;
}
}
if_freenameindex(ifn_list);
return (gatewayfound);
}
struct sockaddr_in AddressForInterfaceIndex( int interfaceIndex ) {
struct sockaddr_in addr;
memset( &addr, 0, sizeof( addr ) );
addr.sin_len = sizeof( addr );
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = INADDR_ANY;
if ( interfaceIndex == 0 ) {
return addr;
}
struct if_nameindex *ifnames = if_nameindex();
if ( !ifnames ) {
perror( "if_ameindex()" );
return addr;
}
for ( int i = 0 ; ifnames[i].if_index != 0 ; i++ ) {
if ( ifnames[i].if_index == interfaceIndex ) {
addr = AddressForInterfaceName( ifnames[i].if_name );
if_freenameindex( ifnames );
return addr;
}
}
printf( "AddressForInterfaceIndex( %i ): Couldn't find interface\n", interfaceIndex );
if_freenameindex( ifnames );
return addr;
}
std::vector<std::string> get_mac_addresses() {
int mib[6];
std::vector<std::string> result;
mib[0] = CTL_NET;
mib[1] = AF_ROUTE;
mib[2] = 0;
mib[3] = AF_LINK;
mib[4] = NET_RT_IFLIST;
auto indices = if_nameindex();
std::unique_ptr<char> buf;
size_t buf_size = 0;
for (auto i = indices; !(i->if_index == 0 && i->if_name == nullptr); ++i) {
mib[5] = static_cast<int>(i->if_index);
size_t len;
if (sysctl(mib, 6, nullptr, &len, nullptr, 0) < 0) {
perror("sysctl 1 error");
exit(3);
}
if (buf_size < len) {
buf.reset(new char[len]);
buf_size = len;
}
if (sysctl(mib, 6, buf.get(), &len, nullptr, 0) < 0) {
perror("sysctl 2 error");
exit(5);
}
auto ifm = reinterpret_cast<if_msghdr*>(buf.get());
auto sdl = reinterpret_cast<sockaddr_dl*>(ifm + 1);
auto ptr = reinterpret_cast<unsigned char*>(LLADDR(sdl));
auto uctoi = [](unsigned char c) -> unsigned {
return static_cast<unsigned char>(c);
};
std::ostringstream oss;
oss << std::hex;
oss.fill('0');
oss.width(2);
oss << uctoi(*ptr++);
for (auto j = 0; j < 5; ++j) {
oss << ":";
oss.width(2);
oss << uctoi(*ptr++);
}
auto addr = oss.str();
if (addr != "00:00:00:00:00:00") result.push_back(std::move(addr));
}
if_freenameindex(indices);
return result;
}
TInt CTestIfioctls::TestIfNameIndex()
{
TInt ret = KErrNone;
struct if_nameindex *ifname;
ifname = if_nameindex();
if_freenameindex(ifname);
return ret;
}
/* Initiale the variables above. */
static void
setup_interface (void)
{
struct if_nameindex *list = if_nameindex ();
if (list != NULL && list[0].if_index != 0 && list[0].if_name[0] != '\0')
{
interface_name = list[0].if_name;
interface_index = list[0].if_index;
}
}
void testValues() {
f = 2;
struct if_nameindex * ni = if_nameindex();
if (ni == NULL) {return;}
if_freenameindex(ni);
//@ assert f == 2;
//@ assert vacuous: \false;
}
ointerfaces::ointerfaces ()
{
#if defined (WINPCAP)
char buffer [PCAP_ERRBUF_SIZE];
pcap_if_t * devices = (pcap_if_t *) (0);
pcap_if_t * device;
this->mindex = 0;
this->mcount = 0;
if (pcap_findalldevs (& devices, buffer) != -1)
{
for (device = devices; device; device = device->next)
{
this->mcount++;
}
this->mtable = new ointerface * [this->mcount];
for (device = devices; device; device = device->next)
{
ointerface * ifo = new ointerface (device->name);
ifo->Description (device->description);
this->mtable [this->mindex++] = ifo;
}
pcap_freealldevs (devices);
}
#else
struct if_nameindex * ifs = if_nameindex ();
struct if_nameindex * ifp;
this->mindex = 0;
this->mcount = 0;
for (ifp = ifs; ifp->if_index; ++ ifp)
{
this->mcount++;
}
this->mtable = new ointerface * [this->mcount];
for (ifp = ifs; ifp->if_index; ++ ifp)
{
ointerface * ifo = new ointerface (ifp->if_name);
ifo->Description (ifp->if_name);
this->mtable [this->mindex++] = ifo;
}
if_freenameindex (ifs);
#endif
if (! this->mcount)
{
this->mtable = new ointerface * [1];
}
this->mindex = 0;
return;
}
int main(int argc, char *argv[])
{
struct if_nameindex *table, *iface;
table = if_nameindex();
for (iface = table; iface->if_index; ++iface) {
printf("%i: %s\n", iface->if_index, iface->if_name);
}
if_freenameindex(table);
return 0;
}
static int do_test(void)
{
printf("Test 1\n");
struct if_nameindex *if_ni, *i;
int n, cnt = 0;
if_ni = if_nameindex();
if (if_ni == NULL) {
perrno_and(return 1, "if_nameindex");
}
/*
* First, we find all shaper devices and down them. Then we
* down all real interfaces. This is because the comment in the
* shaper driver says "if you down the shaper device before the
* attached inerface your computer will follow".
*/
int ifdown(void)
{
struct if_nameindex *ifa, *ifp;
struct ifreq ifr;
int fd, shaper;
if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
fprintf(stderr, "ifdown: ");
perror("socket");
goto error;
}
if ((ifa = if_nameindex()) == NULL) {
fprintf(stderr, "ifdown: ");
perror("if_nameindex");
goto error;
}
for (shaper = 1; shaper >= 0; shaper--) {
for (ifp = ifa; ifp->if_index; ifp++) {
if ((strncmp(ifp->if_name, "shaper", 6) == 0)
!= shaper) continue;
if (strcmp(ifp->if_name, "lo") == 0)
continue;
if (strchr(ifp->if_name, ':') != NULL)
continue;
strncpy(ifr.ifr_name, ifp->if_name, IFNAMSIZ);
if (ioctl(fd, SIOCGIFFLAGS, &ifr) < 0) {
fprintf(stderr, "ifdown: shutdown ");
perror(ifp->if_name);
goto error;
}
ifr.ifr_flags &= ~(IFF_UP);
if (ioctl(fd, SIOCSIFFLAGS, &ifr) < 0) {
fprintf(stderr, "ifdown: shutdown ");
perror(ifp->if_name);
goto error;
}
}
}
close(fd);
return 0;
error:
close(fd);
return -1;
}
int main(int argc, char **argv) {
int sockfd = 0;
int iftype = 0;
struct if_nameindex *pInterfaces;
struct if_nameindex *pFreeInterfacesMem;
ur::WiredInterface *ifWiredHead = NULL;
std::string ssidname;
std::string wirelessaddress("notset");
pInterfaces = pFreeInterfacesMem = if_nameindex();
while ((pInterfaces != NULL) && (pInterfaces->if_name != NULL)) {
// (DEBUG) std::cout << "Interface[" << pInterfaces->if_index << "]: " << pInterfaces->if_name << std::endl;
if((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
continue;
/* For now we only need to find wireless interfaces. Eventually
* we will enumerate both wired and wireless, so I will just loop through all
* interfaces for now and call a 'no_op()' function for the wired interface */
get_interfaces(sockfd, pInterfaces->if_name, &iftype, &ssidname);
if(iftype == IFT_WIRED) {
get_wired_interface(sockfd, pInterfaces->if_name, ifWiredHead);
}
if(iftype == IFT_WIRELESS) {
get_wireless_interface(sockfd, pInterfaces->if_name, &wirelessaddress);
}
close(sockfd);
++pInterfaces;
}
// (DEBUG) See if it worked
std::cout << "SSID: " << ssidname << std::endl;
std::cout << "ADDR: " << wirelessaddress << std::endl;
/* Open the serial comm port for the LCD display */
/* Print the SSID and the IPv4 Address */
/* cleanup and go away */
if (pFreeInterfacesMem != NULL)
if_freenameindex(pFreeInterfacesMem);
while (ifWiredHead != NULL) {
ur::WiredInterface *pWiredInterface;
pWiredInterface = ifWiredHead->GetNext();
delete ifWiredHead;
ifWiredHead = pWiredInterface;
}
return EXEC_SUCCESS;
}
static unsigned int
if_maxindex()
{
struct if_nameindex *p, *p0;
unsigned int max = 0;
p0 = if_nameindex();
for (p = p0; p && p->if_index && p->if_name; p++) {
if (max < p->if_index)
max = p->if_index;
}
if_freenameindex(p0);
return max;
}
DWORD getNumInterfaces(void)
{
DWORD numInterfaces;
struct if_nameindex *indexes = if_nameindex();
if (indexes) {
struct if_nameindex *p;
for (p = indexes, numInterfaces = 0; p && p->if_name; p++)
numInterfaces++;
if_freenameindex(indexes);
}
else
numInterfaces = 0;
return numInterfaces;
}
string GetMacAddress() {
int fd; // Socket descriptor
struct ifreq sIfReq; // Interface request
struct if_nameindex *pIfList; // Ptr to interface name index
struct if_nameindex *pListSave; // Ptr to interface name index
//// Initialize this function
pIfList = (struct if_nameindex *)NULL;
pListSave = (struct if_nameindex *)NULL;
// Create a socket that we can use for all of our ioctls
fd = socket( PF_INET, SOCK_STREAM, 0 );
if ( fd < 0 ) {
// Socket creation failed, this is a fatal error
LOG(WARNING) << "Create socket fail";
return "";
}
// Obtain a list of dynamically allocated structures
pIfList = pListSave = if_nameindex();
//
// Walk thru the array returned and query for each interface's
// address
//
for (pIfList; *(char *)pIfList != 0; pIfList++ ) {
strncpy( sIfReq.ifr_name, pIfList->if_name, IF_NAMESIZE );
// Get the MAC address for this interface
if (ioctl(fd, SIOCGIFHWADDR, &sIfReq) != 0) {
// We failed to get the MAC address for the interface
LOG(WARNING) << pIfList->if_name << " Ioctl fail:" << strerror(errno);
continue;
}
uint8 *mac_addr = reinterpret_cast<uint8*>(sIfReq.ifr_ifru.ifru_hwaddr.sa_data);
if (mac_addr[0] == 0 && mac_addr[1] == 0 && mac_addr[2] == 0 &&
mac_addr[3] == 0 && mac_addr[4] == 0 && mac_addr[5] == 0) {
VLOG(2) << pIfList->if_name << " haven't mac address";
continue;
}
string str_mac_address = StringPrintf("%02x:%02x:%02x:%02x:%02x:%02x",
mac_addr[0], mac_addr[1], mac_addr[2],
mac_addr[3], mac_addr[4], mac_addr[5]);
VLOG(2) << pIfList->if_name << " mac address : " << str_mac_address;
if_freenameindex(pListSave);
close(fd);
return str_mac_address;
}
if_freenameindex(pListSave);
close(fd);
return "";
}
char* getIP(char* interface) {
char* ip; // Chaîne de retour
ip = (char*)malloc(16 * sizeof(char));
int descSock;
struct ifreq devea;
struct sockaddr_in *sa;
//récupération d'un pointeur sur toutes les cartes disponible;
struct if_nameindex *nameindex = if_nameindex();
if(nameindex == NULL){
perror("if_nameindex ");
exit(errno);
}
int i = 0;
while(1){
if(nameindex[i].if_name == NULL) break;//il n'y a plus de cates on sort
//Copie du nom dans la structure ifreq et au passage on prépare l'index pour la prochaine carte
strcpy(devea.ifr_name, nameindex[i++].if_name);
//Affichage de celui-ci
if (strcmp(devea.ifr_name, interface) == 0) {
//on ouvre un socket pour chacune des cartes que l'on closera après
descSock = socket(AF_INET, SOCK_DGRAM, 0);
if (descSock < 0){
perror("socket ");
//On relache le pointeur dynamiquement alloue par if_nameindex
if_freenameindex(nameindex);
exit(errno);
}
//Récupération de l'adresse ip
if (ioctl(descSock,SIOCGIFADDR, &devea) < 0) {
printf("ERROR MAYBE NOT STARTED ?\n");
exit(1);
} else {
//Récupère la structure sockaddr_in contenue dans ifreq
sa = (struct sockaddr_in *)&devea.ifr_ifru.ifru_addr;
//Convertion en ascii et copie dans la chaîne de retour
strcpy(ip, inet_ntoa(sa->sin_addr));
}
//Ferme le socket pour passer au prochain
close(descSock);
}
}
//Relache le pointeur dynamiquement alloue par if_nameindex
if_freenameindex(nameindex);
return ip;
}
