int get_if_names(char **if_list, size_t *if_list_alloc, size_t *if_list_offset)
{
int s, ifreq_size, numifs, i, family = AF_INET;
struct sockaddr *from;
size_t fromlen;
u_char *buffer = NULL;
struct ifconf ifc;
struct ifreq *ifr;
struct if_laddrconf lifc;
struct if_laddrreq *lifr;
if (-1 == (s = socket(family, SOCK_DGRAM, 0)))
return FAIL;
ifc.ifc_buf = 0;
ifc.ifc_len = 0;
if (0 == ioctl(s, SIOCGIFCONF, (caddr_t)&ifc) && 0 != ifc.ifc_len)
ifreq_size = 2 * ifc.ifc_len;
else
ifreq_size = 2 * 512;
buffer = zbx_malloc(buffer, ifreq_size);
memset(buffer, 0, ifreq_size);
ifc.ifc_buf = (caddr_t)buffer;
ifc.ifc_len = ifreq_size;
if (-1 == ioctl(s, SIOCGIFCONF, &ifc))
goto next;
/* check all IPv4 interfaces */
ifr = (struct ifreq *)ifc.ifc_req;
while ((u_char *)ifr < (u_char *)(buffer + ifc.ifc_len))
{
from = &ifr->ifr_addr;
if (AF_INET6 != from->sa_family && AF_INET != from->sa_family)
continue;
add_if_name(if_list, if_list_alloc, if_list_offset, ifr->ifr_name);
#ifdef _SOCKADDR_LEN
ifr = (struct ifreq *)((char *)ifr + sizeof(*ifr) + (from->sa_len > sizeof(*from) ? from->sa_len - sizeof(*from) : 0));
#else
ifr++;
#endif
}
next:
zbx_free(buffer);
close(s);
#if defined (SIOCGLIFCONF)
family = AF_INET6;
if (-1 == (s = socket(family, SOCK_DGRAM, 0)))
return FAIL;
i = ioctl(s, SIOCGLIFNUM, (char *)&numifs);
if (0 == numifs)
{
close(s);
return SUCCEED;
}
lifc.iflc_len = numifs * sizeof(struct if_laddrreq);
lifc.iflc_buf = zbx_malloc(NULL, lifc.iflc_len);
buffer = (u_char *)lifc.iflc_buf;
if (-1 == ioctl(s, SIOCGLIFCONF, &lifc))
goto end;
/* check all IPv6 interfaces */
for (lifr = lifc.iflc_req; '\0' != *lifr->iflr_name; lifr++)
{
from = (struct sockaddr *)&lifr->iflr_addr;
if (AF_INET6 != from->sa_family && AF_INET != from->sa_family)
continue;
add_if_name(if_list, if_list_alloc, if_list_offset, lifr->iflr_name);
}
end:
zbx_free(buffer);
close(s);
#endif
return SUCCEED;
}
void hd_scan_net(hd_data_t *hd_data)
{
unsigned u;
int if_type, if_carrier;
hd_t *hd, *hd_card;
char *s, *t, *hw_addr;
hd_res_t *res, *res1, *res2;
uint64_t ul0;
str_list_t *sf_class, *sf_class_e;
char *sf_cdev = NULL, *sf_dev = NULL;
char *sf_drv_name, *sf_drv;
if(!hd_probe_feature(hd_data, pr_net)) return;
hd_data->module = mod_net;
/* some clean-up */
remove_hd_entries(hd_data);
hd_data->net = free_str_list(hd_data->net);
PROGRESS(1, 0, "get network data");
sf_class = read_dir("/sys/class/net", 'l');
if(!sf_class) sf_class = read_dir("/sys/class/net", 'd');
if(!sf_class) {
ADD2LOG("sysfs: no such class: net\n");
return;
}
for(sf_class_e = sf_class; sf_class_e; sf_class_e = sf_class_e->next) {
str_printf(&sf_cdev, 0, "/sys/class/net/%s", sf_class_e->str);
hd_card = NULL;
ADD2LOG(
" net interface: name = %s, path = %s\n",
sf_class_e->str,
hd_sysfs_id(sf_cdev)
);
if_type = -1;
if(hd_attr_uint(get_sysfs_attr_by_path(sf_cdev, "type"), &ul0, 0)) {
if_type = ul0;
ADD2LOG(" type = %d\n", if_type);
}
if_carrier = -1;
if(hd_attr_uint(get_sysfs_attr_by_path(sf_cdev, "carrier"), &ul0, 0)) {
if_carrier = ul0;
ADD2LOG(" carrier = %d\n", if_carrier);
}
hw_addr = NULL;
if((s = get_sysfs_attr_by_path(sf_cdev, "address"))) {
hw_addr = canon_str(s, strlen(s));
ADD2LOG(" hw_addr = %s\n", hw_addr);
}
sf_dev = new_str(hd_read_sysfs_link(sf_cdev, "device"));
if(sf_dev) {
ADD2LOG(" net device: path = %s\n", hd_sysfs_id(sf_dev));
}
sf_drv_name = NULL;
sf_drv = hd_read_sysfs_link(sf_dev, "driver");
if(sf_drv) {
sf_drv_name = strrchr(sf_drv, '/');
if(sf_drv_name) sf_drv_name++;
ADD2LOG(
" net driver: name = %s, path = %s\n",
sf_drv_name,
hd_sysfs_id(sf_drv)
);
}
hd = add_hd_entry(hd_data, __LINE__, 0);
hd->base_class.id = bc_network_interface;
hd->sub_class.id = sc_nif_other;
res1 = NULL;
if(hw_addr && strspn(hw_addr, "0:") != strlen(hw_addr)) {
res1 = new_mem(sizeof *res1);
res1->hwaddr.type = res_hwaddr;
res1->hwaddr.addr = new_str(hw_addr);
add_res_entry(&hd->res, res1);
}
res2 = NULL;
if(if_carrier >= 0) {
res = new_mem(sizeof *res);
res->link.type = res_link;
res->link.state = if_carrier ? 1 : 0;
add_res_entry(&hd->res, res);
}
hd->unix_dev_name = new_str(sf_class_e->str);
hd->sysfs_id = new_str(hd_sysfs_id(sf_cdev));
if(sf_drv_name) {
add_str_list(&hd->drivers, sf_drv_name);
}
else if(hd->res) {
get_driverinfo(hd_data, hd);
}
switch(if_type) {
case ARPHRD_ETHER: /* eth */
hd->sub_class.id = sc_nif_ethernet;
break;
case ARPHRD_LOOPBACK: /* lo */
hd->sub_class.id = sc_nif_loopback;
break;
case ARPHRD_SIT: /* sit */
hd->sub_class.id = sc_nif_sit;
break;
case ARPHRD_FDDI: /* fddi */
hd->sub_class.id = sc_nif_fddi;
break;
case ARPHRD_IEEE802_TR: /* tr */
hd->sub_class.id = sc_nif_tokenring;
break;
#if 0
case ARPHRD_IEEE802: /* fc */
hd->sub_class.id = sc_nif_fc;
break;
#endif
default:
hd->sub_class.id = sc_nif_other;
}
if(!strcmp(hd->unix_dev_name, "lo")) {
hd->sub_class.id = sc_nif_loopback;
}
else if(sscanf(hd->unix_dev_name, "eth%u", &u) == 1) {
hd->sub_class.id = sc_nif_ethernet;
hd->slot = u;
}
else if(sscanf(hd->unix_dev_name, "tr%u", &u) == 1) {
hd->sub_class.id = sc_nif_tokenring;
hd->slot = u;
}
else if(sscanf(hd->unix_dev_name, "fddi%u", &u) == 1) {
hd->sub_class.id = sc_nif_fddi;
hd->slot = u;
}
else if(sscanf(hd->unix_dev_name, "ctc%u", &u) == 1) {
hd->sub_class.id = sc_nif_ctc;
hd->slot = u;
}
else if(sscanf(hd->unix_dev_name, "iucv%u", &u) == 1) {
hd->sub_class.id = sc_nif_iucv;
hd->slot = u;
}
else if(sscanf(hd->unix_dev_name, "hsi%u", &u) == 1) {
hd->sub_class.id = sc_nif_hsi;
hd->slot = u;
}
else if(sscanf(hd->unix_dev_name, "qeth%u", &u) == 1) {
hd->sub_class.id = sc_nif_qeth;
hd->slot = u;
}
else if(sscanf(hd->unix_dev_name, "escon%u", &u) == 1) {
hd->sub_class.id = sc_nif_escon;
hd->slot = u;
}
else if(sscanf(hd->unix_dev_name, "myri%u", &u) == 1) {
hd->sub_class.id = sc_nif_myrinet;
hd->slot = u;
}
else if(sscanf(hd->unix_dev_name, "sit%u", &u) == 1) {
hd->sub_class.id = sc_nif_sit; /* ipv6 over ipv4 tunnel */
hd->slot = u;
}
else if(sscanf(hd->unix_dev_name, "wlan%u", &u) == 1) {
hd->sub_class.id = sc_nif_wlan;
hd->slot = u;
}
else if(sscanf(hd->unix_dev_name, "xp%u", &u) == 1) {
hd->sub_class.id = sc_nif_xp;
hd->slot = u;
}
else if(sscanf(hd->unix_dev_name, "usb%u", &u) == 1) {
hd->sub_class.id = sc_nif_usb;
hd->slot = u;
}
/* ##### add more interface names here */
else {
for(s = hd->unix_dev_name; *s; s++) if(isdigit(*s)) break;
if(*s && (u = strtoul(s, &s, 10), !*s)) {
hd->slot = u;
}
}
hd->bus.id = bus_none;
hd_card = NULL;
if(sf_dev) {
s = new_str(hd_sysfs_id(sf_dev));
hd->sysfs_device_link = new_str(s);
hd_card = hd_find_sysfs_id(hd_data, s);
// try one above, if not found
if(!hd_card) {
t = strrchr(s, '/');
if(t) {
*t = 0;
hd_card = hd_find_sysfs_id(hd_data, s);
}
}
/* if one card has several interfaces (as with PS3), check interface names, too */
if(
hd_card &&
hd_card->unix_dev_name &&
hd->unix_dev_name &&
strcmp(hd->unix_dev_name, hd_card->unix_dev_name)
) {
hd_card = hd_find_sysfs_id_devname(hd_data, s, hd->unix_dev_name);
}
s = free_mem(s);
if(hd_card) {
hd->attached_to = hd_card->idx;
/* for cards with strange pci classes */
hd_set_hw_class(hd_card, hw_network_ctrl);
/* add hw addr to network card */
if(res1) {
u = 0;
for(res = hd_card->res; res; res = res->next) {
if(
res->any.type == res_hwaddr &&
!strcmp(res->hwaddr.addr, res1->hwaddr.addr)
) {
u = 1;
break;
}
}
if(!u) {
res = new_mem(sizeof *res);
res->hwaddr.type = res_hwaddr;
res->hwaddr.addr = new_str(res1->hwaddr.addr);
add_res_entry(&hd_card->res, res);
}
}
/*
* add interface names...
* but not wmasterX (bnc #441778)
*/
if(if_type != 801) add_if_name(hd_card, hd);
}
}
if(!hd_card && hw_addr) {
/* try to find card based on hwaddr (for prom-based cards) */
for(hd_card = hd_data->hd; hd_card; hd_card = hd_card->next) {
if(
hd_card->base_class.id != bc_network ||
hd_card->sub_class.id != 0
) continue;
for(res = hd_card->res; res; res = res->next) {
if(
res->any.type == res_hwaddr &&
!strcmp(hw_addr, res->hwaddr.addr)
) break;
}
if(res) {
hd->attached_to = hd_card->idx;
break;
}
}
}
hw_addr = free_mem(hw_addr);
/* fix card type */
if(hd_card) {
if(
(hd_card->base_class.id == 0 && hd_card->sub_class.id == 0) ||
(hd_card->base_class.id == bc_network && hd_card->sub_class.id == 0x80)
) {
switch(hd->sub_class.id) {
case sc_nif_ethernet:
hd_card->base_class.id = bc_network;
hd_card->sub_class.id = 0;
break;
case sc_nif_usb:
hd_card->base_class.id = bc_network;
hd_card->sub_class.id = 0x91;
break;
}
}
}
sf_dev = free_mem(sf_dev);
}
sf_cdev = free_mem(sf_cdev);
sf_class = free_str_list(sf_class);
if(hd_is_sgi_altix(hd_data)) add_xpnet(hd_data);
add_uml(hd_data);
add_kma(hd_data);
/* add link status info & dump eeprom */
for(hd = hd_data->hd ; hd; hd = hd->next) {
if(
hd->module == hd_data->module &&
hd->base_class.id == bc_network_interface
) {
char *buf = NULL;
str_list_t *sl0, *sl;
if(hd_probe_feature(hd_data, pr_net_eeprom) && hd->unix_dev_name) {
PROGRESS(2, 0, "eeprom dump");
str_printf(&buf, 0, "|/usr/sbin/ethtool -e %s 2>/dev/null", hd->unix_dev_name);
if((sl0 = read_file(buf, 0, 0))) {
ADD2LOG("----- %s %s -----\n", hd->unix_dev_name, "EEPROM dump");
for(sl = sl0; sl; sl = sl->next) {
ADD2LOG("%s", sl->str);
}
ADD2LOG("----- %s end -----\n", "EEPROM dump");
free_str_list(sl0);
}
free(buf);
}
for(res = hd->res; res; res = res->next) {
if(res->any.type == res_link) break;
}
if(!res) get_linkstate(hd_data, hd);
if(!(hd_card = hd_get_device_by_idx(hd_data, hd->attached_to))) continue;
for(res = hd->res; res; res = res->next) {
if(res->any.type == res_link) break;
}
if(res) {
for(res1 = hd_card->res; res1; res1 = res1->next) {
if(res1->any.type == res_link) break;
}
if(res && !res1) {
res1 = new_mem(sizeof *res1);
res1->link.type = res_link;
res1->link.state = res->link.state;
add_res_entry(&hd_card->res, res1);
}
}
}
}
}
