int
show_int(int argc, char **argv)
{
struct ifaddrs *ifap, *ifa;
struct if_nameindex *ifn_list, *ifnp;
struct ifreq ifr, ifrdesc;
struct if_data if_data;
struct sockaddr_in sin, sin2, sin3;
struct timeval tv;
struct vlanreq vreq;
short tmp;
int ifs, br, flags, days, hours, mins, pntd;
int ippntd = 0;
time_t c;
char *type, *lladdr, *ifname = NULL;
const char *carp;
char tmp_str[512], tmp_str2[512], ifdescr[IFDESCRSIZE];
if (argc == 3)
ifname = argv[2];
/*
* Show all interfaces when no ifname specified.
*/
if (ifname == NULL) {
if ((ifn_list = if_nameindex()) == NULL) {
printf("%% show_int: if_nameindex failed\n");
return 1;
}
for (ifnp = ifn_list; ifnp->if_name != NULL; ifnp++) {
char *args[] = { NULL, NULL, ifnp->if_name };
show_int(3, args);
}
if_freenameindex(ifn_list);
return(0);
} else if (!is_valid_ifname(ifname)) {
printf("%% interface %s not found\n", ifname);
return(1);
}
if ((ifs = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
printf("%% show_int: %s\n", strerror(errno));
return(1);
}
if (!(br = is_bridge(ifs, (char *)ifname)))
br = 0;
strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
/*
* Show up/down status and last change time
*/
flags = get_ifflags(ifname, ifs);
ifr.ifr_data = (caddr_t)&if_data;
if (ioctl(ifs, SIOCGIFDATA, (caddr_t)&ifr) < 0) {
printf("%% show_int: SIOCGIFDATA: %s\n", strerror(errno));
close(ifs);
return(1);
}
printf("%% %s", ifname);
/* description */
memset(&ifrdesc, 0, sizeof(ifrdesc));
strlcpy(ifrdesc.ifr_name, ifname, sizeof(ifrdesc.ifr_name));
ifrdesc.ifr_data = (caddr_t)&ifdescr;
if (ioctl(ifs, SIOCGIFDESCR, &ifrdesc) == 0 && strlen(ifrdesc.ifr_data))
printf(" (%s)", ifrdesc.ifr_data);
putchar('\n');
printf(" %s is %s", br ? "Bridge" : "Interface",
flags & IFF_UP ? "up" : "down");
if (if_lastchange.tv_sec) {
gettimeofday(&tv, (struct timezone *)0);
c = difftime(tv.tv_sec, if_lastchange.tv_sec);
days = c / SECSPERDAY;
c %= SECSPERDAY;
hours = c / SECSPERHOUR;
c %= SECSPERHOUR;
mins = c / SECSPERMIN;
c %= SECSPERMIN;
printf(" (last change ");
if (days)
printf("%id ", days);
printf("%02i:%02i:%02i)", hours, mins, c);
}
printf(", protocol is %s", flags & IFF_RUNNING ? "up" : "down");
printf("\n");
type = iftype(if_type);
printf(" Interface type %s", type);
if (flags & IFF_BROADCAST)
printf(" (Broadcast)");
else if (flags & IFF_POINTOPOINT)
printf(" (PointToPoint)");
if ((lladdr = get_hwdaddr(ifname)) != NULL)
printf(", hardware address %s", lladdr);
printf("\n");
media_status(ifs, ifname, " Media type ");
/*
* Print interface IP address, and broadcast or
* destination if available. But, don't print broadcast
* if it is what we would expect given the ip and netmask!
*/
if (getifaddrs(&ifap) != 0) {
printf("%% show_int: getifaddrs failed: %s\n",
strerror(errno));
return(1);
}
/*
* Cycle through getifaddrs for interfaces with our
* desired name that sport AF_INET, print the IP and
* related information.
*/
for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
if (strncmp(ifname, ifa->ifa_name, IFNAMSIZ))
continue;
if (ifa->ifa_addr->sa_family != AF_INET)
continue;
memcpy(&sin, ifa->ifa_addr, sizeof(struct sockaddr_in));
memcpy(&sin2, ifa->ifa_netmask, sizeof(struct sockaddr_in));
if (sin.sin_addr.s_addr == 0 || sin2.sin_addr.s_addr == 0)
continue;
if (!ippntd)
printf(" Internet address");
printf("%s %s", ippntd ? "," : "",
netname4(sin.sin_addr.s_addr, &sin2));
ippntd = 1;
if (flags & IFF_POINTOPOINT) {
memcpy(&sin3, ifa->ifa_dstaddr,
sizeof(struct sockaddr_in));
printf(" (Destination %s)", inet_ntoa(sin3.sin_addr));
} else if (flags & IFF_BROADCAST) {
memcpy(&sin3, ifa->ifa_broadaddr,
sizeof(struct sockaddr_in));
/*
* no reason to show the broadcast addr
* if it is standard (this should always
* be true unless someone has messed up their
* network or they are playing around...)
*/
if (ntohl(sin3.sin_addr.s_addr) !=
in4_brdaddr(sin.sin_addr.s_addr,
sin2.sin_addr.s_addr))
printf(" (Broadcast %s)",
inet_ntoa(sin3.sin_addr));
}
}
if (ippntd) {
ippntd = 0;
printf("\n");
}
freeifaddrs(ifap);
if (!br) {
if (phys_status(ifs, ifname, tmp_str, tmp_str2, sizeof(tmp_str),
sizeof(tmp_str2)) > 0)
printf(" Tunnel source %s destination %s\n",
tmp_str, tmp_str2);
if ((carp = carp_state(ifs, ifname)) != NULL)
printf(" CARP state %s\n", carp);
/*
* Display MTU, line rate, and ALTQ token rate info
* (if available)
*/
printf(" MTU %u bytes", if_mtu);
if (if_baudrate)
printf(", Line Rate %qu %s\n",
MBPS(if_baudrate) ? MBPS(if_baudrate) :
if_baudrate / 1000,
MBPS(if_baudrate) ? "Mbps" : "Kbps");
else
printf("\n");
memset(&vreq, 0, sizeof(struct vlanreq));
ifr.ifr_data = (caddr_t)&vreq;
if (ioctl(ifs, SIOCGETVLAN, (caddr_t)&ifr) != -1)
if(vreq.vlr_tag || (vreq.vlr_parent[0] != '\0'))
printf(" 802.1Q vlan tag %d, parent %s\n",
vreq.vlr_tag, vreq.vlr_parent[0] == '\0' ?
"<none>" : vreq.vlr_parent);
}
if (get_nwinfo(ifname, tmp_str, sizeof(tmp_str), NWID) != NULL) {
printf(" SSID %s", tmp_str);
if(get_nwinfo(ifname, tmp_str, sizeof(tmp_str), NWKEY) != NULL)
printf(", key %s", tmp_str);
if ((tmp = get_nwinfo(ifname, tmp_str, sizeof(tmp_str),
POWERSAVE) != NULL))
printf(", powersaving (%s ms)\n", tmp_str);
printf("\n");
}
/*
* Display remaining info from if_data structure
*/
printf(" %qu packets input, %qu bytes, %qu errors, %qu drops\n",
if_ipackets, if_ibytes, if_ierrors, if_iqdrops);
printf(" %qu packets output, %qu bytes, %qu errors, %qu unsupported\n",
if_opackets, if_obytes, if_oerrors, if_noproto);
if (if_ibytes && if_ipackets && (if_ibytes / if_ipackets) >= ETHERMIN) {
/* < ETHERMIN means byte counter probably rolled over */
printf(" %qu input", if_ibytes / if_ipackets);
pntd = 1;
} else
pntd = 0;
if (if_obytes && if_opackets && (if_obytes / if_opackets) >= ETHERMIN) {
/* < ETHERMIN means byte counter probably rolled over */
printf("%s%qu output", pntd ? ", " : " ",
if_obytes / if_opackets);
pntd = 1;
}
if (pntd)
printf(" (average bytes/packet)\n");
switch(if_type) {
/*
* These appear to be the only interface types to increase collision
* count in the OpenBSD 3.2 kernel.
*/
case IFT_ETHER:
case IFT_SLIP:
case IFT_PROPVIRTUAL:
case IFT_IEEE80211:
printf(" %qu collisions\n", if_collisions);
break;
default:
break;
}
if(verbose) {
if (flags) {
printf(" Flags:\n ");
bprintf(stdout, flags, ifnetflags);
printf("\n");
}
if (br) {
if ((tmp = bridge_list(ifs, ifname, " ", tmp_str,
sizeof(tmp_str), SHOW_STPSTATE))) {
printf(" STP member state%s:\n", tmp > 1 ?
"s" : "");
printf("%s", tmp_str);
}
bridge_addrs(ifs, ifname, " ", " ");
}
media_supported(ifs, ifname, " ", " ");
}
close(ifs);
return(0);
}
int
show_int(int argc, char **argv)
{
struct ifaddrs *ifap, *ifa;
struct if_nameindex *ifn_list, *ifnp;
struct ifreq ifr, ifrdesc;
struct if_data if_data;
struct sockaddr_in *sin = NULL, *sinmask = NULL, *sindest;
struct sockaddr_in6 *sin6 = NULL, *sin6mask = NULL, *sin6dest;
struct timeval tv;
short tmp;
int ifs, br, flags, days, hours, mins, pntd;
int ippntd = 0;
int physrt, physttl;
time_t c;
char *type, *lladdr, *ifname = NULL;
char tmp_str[512], tmp_str2[512], ifdescr[IFDESCRSIZE];
if (argc == 3)
ifname = argv[2];
/*
* Show all interfaces when no ifname specified.
*/
if (ifname == NULL) {
if ((ifn_list = if_nameindex()) == NULL) {
printf("%% show_int: if_nameindex failed\n");
return 0;
}
for (ifnp = ifn_list; ifnp->if_name != NULL; ifnp++) {
char *args[] = { NULL, NULL, ifnp->if_name };
show_int(3, args);
}
if_freenameindex(ifn_list);
return(0);
} else if (!is_valid_ifname(ifname)) {
printf("%% interface %s not found\n", ifname);
return(1);
}
if ((ifs = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
printf("%% show_int: %s\n", strerror(errno));
return(1);
}
if (!(br = is_bridge(ifs, (char *)ifname)))
br = 0;
strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
/*
* Show up/down status and last change time
*/
flags = get_ifflags(ifname, ifs);
ifr.ifr_data = (caddr_t)&if_data;
if (ioctl(ifs, SIOCGIFDATA, (caddr_t)&ifr) < 0) {
printf("%% show_int: SIOCGIFDATA: %s\n", strerror(errno));
close(ifs);
return(1);
}
printf("%% %s", ifname);
/* description */
memset(&ifrdesc, 0, sizeof(ifrdesc));
strlcpy(ifrdesc.ifr_name, ifname, sizeof(ifrdesc.ifr_name));
ifrdesc.ifr_data = (caddr_t)&ifdescr;
if (ioctl(ifs, SIOCGIFDESCR, &ifrdesc) == 0 &&
strlen(ifrdesc.ifr_data))
printf(" (%s)", ifrdesc.ifr_data);
putchar('\n');
printf(" %s is %s", br ? "Bridge" : "Interface",
flags & IFF_UP ? "up" : "down");
if (if_data.ifi_lastchange.tv_sec) {
gettimeofday(&tv, (struct timezone *)0);
c = difftime(tv.tv_sec, if_data.ifi_lastchange.tv_sec);
days = c / (24 * 60 * 60);
c %= (24 * 60 * 60);
hours = c / (60 * 60);
c %= (60 * 60);
mins = c / 60;
c %= 60;
printf(" (last change ");
if (days)
printf("%id ", days);
printf("%02i:%02i:%02i)", hours, mins, (int)c);
}
printf(", protocol is %s", flags & IFF_RUNNING ? "up" : "down");
printf("\n");
type = iftype(if_data.ifi_type);
printf(" Interface type %s", type);
if (flags & IFF_BROADCAST)
printf(" (Broadcast)");
else if (flags & IFF_POINTOPOINT)
printf(" (PointToPoint)");
if ((lladdr = get_hwdaddr(ifname)) != NULL)
printf(", hardware address %s", lladdr);
printf("\n");
show_trunk(ifs, ifname);
media_status(ifs, ifname, " Media type ");
/*
* Print interface IP address, and broadcast or
* destination if available. But, don't print broadcast
* if it is what we would expect given the ip and netmask!
*/
if (getifaddrs(&ifap) != 0) {
printf("%% show_int: getifaddrs failed: %s\n",
strerror(errno));
return(1);
}
/*
* Cycle through getifaddrs for interfaces with our
* desired name that sport AF_INET, print the IP and
* related information.
*/
for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
if (strncmp(ifname, ifa->ifa_name, IFNAMSIZ))
continue;
switch (ifa->ifa_addr->sa_family) {
case AF_INET:
sin = (struct sockaddr_in *)ifa->ifa_addr;
sinmask = (struct sockaddr_in *)ifa->ifa_netmask;
if (sin->sin_addr.s_addr == INADDR_ANY)
continue;
break;
case AF_INET6:
sin6 = (struct sockaddr_in6 *)ifa->ifa_addr;
sin6mask = (struct sockaddr_in6 *)ifa->ifa_netmask;
if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr))
continue;
in6_fillscopeid(sin6);
break;
default:
continue;
}
if (!ippntd)
printf(" Internet address");
printf("%s %s", ippntd ? "," : "", ifa->ifa_addr->sa_family
== AF_INET ? netname4(sin->sin_addr.s_addr, sinmask) :
netname6(sin6, sin6mask));
ippntd = 1;
switch (ifa->ifa_addr->sa_family) {
case AF_INET:
if (flags & IFF_POINTOPOINT) {
sindest = (struct sockaddr_in *)
ifa->ifa_dstaddr;
printf(" (Destination %s)",
routename4(sindest->sin_addr.s_addr));
} else if (flags & IFF_BROADCAST) {
sindest = (struct sockaddr_in *)
ifa->ifa_broadaddr;
/*
* no reason to show the broadcast addr
* if it is standard (this should always
* be true unless someone has messed up their
* network or they are playing around...)
*/
if (ntohl(sindest->sin_addr.s_addr) !=
in4_brdaddr(sin->sin_addr.s_addr,
sinmask->sin_addr.s_addr) &&
ntohl(sindest->sin_addr.s_addr) !=
INADDR_ANY)
printf(" (Broadcast %s)",
inet_ntoa(sindest->sin_addr));
}
break;
case AF_INET6:
if (flags & IFF_POINTOPOINT) {
sin6dest = (struct sockaddr_in6 *)
ifa->ifa_dstaddr;
in6_fillscopeid(sin6dest);
printf(" (Destination %s)",
routename6(sin6dest));
}
break;
default:
printf(" unknown");
break;
}
}
if (ippntd) {
printf("\n");
}
freeifaddrs(ifap);
if (!br) {
if (phys_status(ifs, ifname, tmp_str, tmp_str2,
sizeof(tmp_str), sizeof(tmp_str2)) > 0) {
printf(" Tunnel source %s destination %s",
tmp_str, tmp_str2);
if (((physrt = get_physrtable(ifs, ifname)) != 0))
printf(" destination rdomain %i", physrt);
if (((physttl = get_physttl(ifs, ifname)) != 0))
printf(" ttl %i", physttl);
printf("\n");
}
carp_state(ifs, ifname);
printf(" ");
show_vnet_parent(ifs, ifname);
if (ioctl(ifs, SIOCGIFRDOMAIN, (caddr_t)&ifr) != -1)
printf(" rdomain %d,", ifr.ifr_rdomainid);
/*
* Display MTU, line rate
*/
printf(" MTU %u bytes", if_data.ifi_mtu);
if (ioctl(ifs, SIOCGIFHARDMTU, (caddr_t)&ifr) != -1) {
if (ifr.ifr_hardmtu)
printf(" (hardmtu %u)", ifr.ifr_hardmtu);
}
if (if_data.ifi_baudrate)
printf(", Line Rate %qu %s",
MBPS(if_data.ifi_baudrate) ?
MBPS(if_data.ifi_baudrate) :
if_data.ifi_baudrate / 1000,
MBPS(if_data.ifi_baudrate) ? "Mbps" : "Kbps");
printf("\n");
}
if (get_nwinfo(ifname, tmp_str, sizeof(tmp_str), NWID) != 0) {
printf(" SSID %s", tmp_str);
if(get_nwinfo(ifname, tmp_str, sizeof(tmp_str), NWKEY) != 0)
printf(", key %s", tmp_str);
if ((tmp = get_nwinfo(ifname, tmp_str, sizeof(tmp_str),
POWERSAVE)) != 0)
printf(", powersaving (%s ms)\n", tmp_str);
printf("\n");
}
/*
* Display remaining info from if_data structure
*/
printf(" %qu packets input, %qu bytes, %qu errors, %qu drops\n",
if_data.ifi_ipackets, if_data.ifi_ibytes, if_data.ifi_ierrors,
if_data.ifi_iqdrops);
printf(" %qu packets output, %qu bytes, %qu errors, %qu unsupported\n",
if_data.ifi_opackets, if_data.ifi_obytes, if_data.ifi_oerrors,
if_data.ifi_noproto);
if (if_data.ifi_ibytes && if_data.ifi_ipackets &&
(if_data.ifi_ibytes / if_data.ifi_ipackets) >= ETHERMIN) {
/* < ETHERMIN means byte counter probably rolled over */
printf(" %qu input", if_data.ifi_ibytes /
if_data.ifi_ipackets);
pntd = 1;
} else
pntd = 0;
if (if_data.ifi_obytes && if_data.ifi_opackets &&
(if_data.ifi_obytes / if_data.ifi_opackets) >= ETHERMIN) {
/* < ETHERMIN means byte counter probably rolled over */
printf("%s%qu output", pntd ? ", " : " ",
if_data.ifi_obytes / if_data.ifi_opackets);
pntd = 1;
}
if (pntd)
printf(" (average bytes/packet)\n");
switch(if_data.ifi_type) {
/*
* These appear to be the only interface types to increase collision
* count in the OpenBSD 3.2 kernel.
*/
case IFT_ETHER:
case IFT_SLIP:
case IFT_PROPVIRTUAL:
case IFT_IEEE80211:
printf(" %qu collisions\n", if_data.ifi_collisions);
break;
default:
break;
}
if(verbose) {
if (flags) {
printf(" Flags:\n ");
bprintf(stdout, flags, ifnetflags);
printf("\n");
}
printifhwfeatures(ifs, ifname);
if (br) {
if ((tmp = bridge_list(ifs, ifname, " ", tmp_str,
sizeof(tmp_str), SHOW_STPSTATE))) {
printf(" STP member state%s:\n", tmp > 1 ?
"s" : "");
printf("%s", tmp_str);
}
bridge_addrs(ifs, ifname, " ", " ");
}
media_supported(ifs, ifname, " ", " ");
}
close(ifs);
return(0);
}
