1 files changed, 237 insertions, 250 deletions

diff --git a/zebra/if_ioctl.c b/zebra/if_ioctl.c
index 73da04965..2d5d604a8 100644
--- a/zebra/if_ioctl.c
+++ b/zebra/if_ioctl.c
@@ -38,306 +38,293 @@
 #include <ifaddrs.h>
 
 /* Interface looking up using infamous SIOCGIFCONF. */
-static int
-interface_list_ioctl (void)
+static int interface_list_ioctl(void)
 {
-  int ret;
-  int sock;
+	int ret;
+	int sock;
 #define IFNUM_BASE 32
-  int ifnum;
-  struct ifreq *ifreq;
-  struct ifconf ifconf;
-  struct interface *ifp;
-  int n;
-  int lastlen;
-
-  /* Normally SIOCGIFCONF works with AF_INET socket. */
-  sock = socket (AF_INET, SOCK_DGRAM, 0);
-  if (sock < 0) 
-    {
-      zlog_warn ("Can't make AF_INET socket stream: %s", safe_strerror (errno));
-      return -1;
-    }
-
-  /* Set initial ifreq count.  This will be double when SIOCGIFCONF
-     fail.  Solaris has SIOCGIFNUM. */
+	int ifnum;
+	struct ifreq *ifreq;
+	struct ifconf ifconf;
+	struct interface *ifp;
+	int n;
+	int lastlen;
+
+	/* Normally SIOCGIFCONF works with AF_INET socket. */
+	sock = socket(AF_INET, SOCK_DGRAM, 0);
+	if (sock < 0) {
+		zlog_warn("Can't make AF_INET socket stream: %s",
+			  safe_strerror(errno));
+		return -1;
+	}
+
+/* Set initial ifreq count.  This will be double when SIOCGIFCONF
+   fail.  Solaris has SIOCGIFNUM. */
 #ifdef SIOCGIFNUM
-  ret = ioctl (sock, SIOCGIFNUM, &ifnum);
-  if (ret < 0)
-    ifnum = IFNUM_BASE;
-  else
-    ifnum++;
+	ret = ioctl(sock, SIOCGIFNUM, &ifnum);
+	if (ret < 0)
+		ifnum = IFNUM_BASE;
+	else
+		ifnum++;
 #else
-  ifnum = IFNUM_BASE;
+	ifnum = IFNUM_BASE;
 #endif /* SIOCGIFNUM */
 
-  ifconf.ifc_buf = NULL;
-
-  lastlen = 0;
-  /* Loop until SIOCGIFCONF success. */
-  for (;;) 
-    {
-      ifconf.ifc_len = sizeof (struct ifreq) * ifnum;
-      ifconf.ifc_buf = XREALLOC(MTYPE_TMP, ifconf.ifc_buf, ifconf.ifc_len);
-
-      ret = ioctl(sock, SIOCGIFCONF, &ifconf);
-
-      if (ret < 0) 
-	{
-	  zlog_warn ("SIOCGIFCONF: %s", safe_strerror(errno));
-	  goto end;
-	}
-      /* Repeatedly get info til buffer fails to grow. */
-      if (ifconf.ifc_len > lastlen)
-	{
-          lastlen = ifconf.ifc_len;
-	  ifnum += 10;
-	  continue;
+	ifconf.ifc_buf = NULL;
+
+	lastlen = 0;
+	/* Loop until SIOCGIFCONF success. */
+	for (;;) {
+		ifconf.ifc_len = sizeof(struct ifreq) * ifnum;
+		ifconf.ifc_buf =
+			XREALLOC(MTYPE_TMP, ifconf.ifc_buf, ifconf.ifc_len);
+
+		ret = ioctl(sock, SIOCGIFCONF, &ifconf);
+
+		if (ret < 0) {
+			zlog_warn("SIOCGIFCONF: %s", safe_strerror(errno));
+			goto end;
+		}
+		/* Repeatedly get info til buffer fails to grow. */
+		if (ifconf.ifc_len > lastlen) {
+			lastlen = ifconf.ifc_len;
+			ifnum += 10;
+			continue;
+		}
+		/* Success. */
+		break;
 	}
-      /* Success. */
-      break;
-    }
 
-  /* Allocate interface. */
-  ifreq = ifconf.ifc_req;
+	/* Allocate interface. */
+	ifreq = ifconf.ifc_req;
 
 #ifdef OPEN_BSD
-  for (n = 0; n < ifconf.ifc_len; )
-    {
-      unsigned int size;
-
-      ifreq = (struct ifreq *)((caddr_t) ifconf.ifc_req + n);
-      ifp = if_get_by_name_len(ifreq->ifr_name,
-			       strnlen(ifreq->ifr_name,
-				       sizeof(ifreq->ifr_name)),
-                               VRF_DEFAULT, 0);
-      if_add_update (ifp);
-      size = ifreq->ifr_addr.sa_len;
-      if (size < sizeof (ifreq->ifr_addr))
-	size = sizeof (ifreq->ifr_addr);
-      size += sizeof (ifreq->ifr_name);
-      n += size;
-    }
+	for (n = 0; n < ifconf.ifc_len;) {
+		unsigned int size;
+
+		ifreq = (struct ifreq *)((caddr_t)ifconf.ifc_req + n);
+		ifp = if_get_by_name_len(
+			ifreq->ifr_name,
+			strnlen(ifreq->ifr_name, sizeof(ifreq->ifr_name)),
+			VRF_DEFAULT, 0);
+		if_add_update(ifp);
+		size = ifreq->ifr_addr.sa_len;
+		if (size < sizeof(ifreq->ifr_addr))
+			size = sizeof(ifreq->ifr_addr);
+		size += sizeof(ifreq->ifr_name);
+		n += size;
+	}
 #else
-  for (n = 0; n < ifconf.ifc_len; n += sizeof(struct ifreq))
-    {
-      ifp = if_get_by_name_len(ifreq->ifr_name,
-			       strnlen(ifreq->ifr_name,
-				       sizeof(ifreq->ifr_name)),
-                               VRF_DEFAULT, 0);
-      if_add_update (ifp);
-      ifreq++;
-    }
+	for (n = 0; n < ifconf.ifc_len; n += sizeof(struct ifreq)) {
+		ifp = if_get_by_name_len(
+			ifreq->ifr_name,
+			strnlen(ifreq->ifr_name, sizeof(ifreq->ifr_name)),
+			VRF_DEFAULT, 0);
+		if_add_update(ifp);
+		ifreq++;
+	}
 #endif /* OPEN_BSD */
 
- end:
-  close (sock);
-  XFREE (MTYPE_TMP, ifconf.ifc_buf);
+end:
+	close(sock);
+	XFREE(MTYPE_TMP, ifconf.ifc_buf);
 
-  return ret;
+	return ret;
 }
 
 /* Get interface's index by ioctl. */
-static int
-if_get_index (struct interface *ifp)
+static int if_get_index(struct interface *ifp)
 {
-  ifp->ifindex = if_nametoindex(ifp->name);
-  return ifp->ifindex;
+	ifp->ifindex = if_nametoindex(ifp->name);
+	return ifp->ifindex;
 }
 
 #ifdef SIOCGIFHWADDR
-static int
-if_get_hwaddr (struct interface *ifp)
+static int if_get_hwaddr(struct interface *ifp)
 {
-  int ret;
-  struct ifreq ifreq;
-  int i;
-
-  strncpy (ifreq.ifr_name, ifp->name, IFNAMSIZ);
-  ifreq.ifr_addr.sa_family = AF_INET;
-
-  /* Fetch Hardware address if available. */
-  ret = if_ioctl (SIOCGIFHWADDR, (caddr_t) &ifreq);
-  if (ret < 0)
-    ifp->hw_addr_len = 0;
-  else
-    {
-      memcpy (ifp->hw_addr, ifreq.ifr_hwaddr.sa_data, 6);
-
-      for (i = 0; i < 6; i++)
-	if (ifp->hw_addr[i] != 0)
-	  break;
-
-      if (i == 6)
-	ifp->hw_addr_len = 0;
-      else
-	ifp->hw_addr_len = 6;
-    }
-  return 0;
+	int ret;
+	struct ifreq ifreq;
+	int i;
+
+	strncpy(ifreq.ifr_name, ifp->name, IFNAMSIZ);
+	ifreq.ifr_addr.sa_family = AF_INET;
+
+	/* Fetch Hardware address if available. */
+	ret = if_ioctl(SIOCGIFHWADDR, (caddr_t)&ifreq);
+	if (ret < 0)
+		ifp->hw_addr_len = 0;
+	else {
+		memcpy(ifp->hw_addr, ifreq.ifr_hwaddr.sa_data, 6);
+
+		for (i = 0; i < 6; i++)
+			if (ifp->hw_addr[i] != 0)
+				break;
+
+		if (i == 6)
+			ifp->hw_addr_len = 0;
+		else
+			ifp->hw_addr_len = 6;
+	}
+	return 0;
 }
 #endif /* SIOCGIFHWADDR */
 
-static int
-if_getaddrs (void)
+static int if_getaddrs(void)
 {
-  int ret;
-  struct ifaddrs *ifap;
-  struct ifaddrs *ifapfree;
-  struct interface *ifp;
-  int prefixlen;
-
-  ret = getifaddrs (&ifap); 
-  if (ret != 0)
-    {
-      zlog_err ("getifaddrs(): %s", safe_strerror (errno));
-      return -1;
-    }
-
-  for (ifapfree = ifap; ifap; ifap = ifap->ifa_next)
-    {
-      if (ifap->ifa_addr == NULL)
-        {
-          zlog_err ("%s: nonsensical ifaddr with NULL ifa_addr, ifname %s",
-                    __func__, (ifap->ifa_name ? ifap->ifa_name : "(null)"));
-          continue;
-        }
-       
-      ifp = if_lookup_by_name (ifap->ifa_name, VRF_DEFAULT);
-      if (ifp == NULL)
-	{
-	  zlog_err ("if_getaddrs(): Can't lookup interface %s\n",
-		    ifap->ifa_name);
-	  continue;
+	int ret;
+	struct ifaddrs *ifap;
+	struct ifaddrs *ifapfree;
+	struct interface *ifp;
+	int prefixlen;
+
+	ret = getifaddrs(&ifap);
+	if (ret != 0) {
+		zlog_err("getifaddrs(): %s", safe_strerror(errno));
+		return -1;
 	}
 
-      if (ifap->ifa_addr->sa_family == AF_INET)
-	{
-	  struct sockaddr_in *addr;
-	  struct sockaddr_in *mask;
-	  struct sockaddr_in *dest;
-	  struct in_addr *dest_pnt;
-	  int flags = 0;
-
-	  addr = (struct sockaddr_in *) ifap->ifa_addr;
-	  mask = (struct sockaddr_in *) ifap->ifa_netmask;
-	  prefixlen = ip_masklen (mask->sin_addr);
-
-	  dest_pnt = NULL;
-
-	  if (ifap->ifa_dstaddr &&
-	      !IPV4_ADDR_SAME(&addr->sin_addr,
-			      &((struct sockaddr_in *)
-			      	ifap->ifa_dstaddr)->sin_addr))
-	    {
-	      dest = (struct sockaddr_in *) ifap->ifa_dstaddr;
-	      dest_pnt = &dest->sin_addr;
-	      flags = ZEBRA_IFA_PEER;
-	    }
-	  else if (ifap->ifa_broadaddr &&
-		   !IPV4_ADDR_SAME(&addr->sin_addr,
-				   &((struct sockaddr_in *)
-				     ifap->ifa_broadaddr)->sin_addr))
-	    {
-	      dest = (struct sockaddr_in *) ifap->ifa_broadaddr;
-	      dest_pnt = &dest->sin_addr;
-	    }
-
-	  connected_add_ipv4 (ifp, flags, &addr->sin_addr,
-			      prefixlen, dest_pnt, NULL);
-	}
-      if (ifap->ifa_addr->sa_family == AF_INET6)
-	{
-	  struct sockaddr_in6 *addr;
-	  struct sockaddr_in6 *mask;
-	  struct sockaddr_in6 *dest;
-	  struct in6_addr *dest_pnt;
-	  int flags = 0;
-
-	  addr = (struct sockaddr_in6 *) ifap->ifa_addr;
-	  mask = (struct sockaddr_in6 *) ifap->ifa_netmask;
-	  prefixlen = ip6_masklen (mask->sin6_addr);
-
-	  dest_pnt = NULL;
-
-	  if (ifap->ifa_dstaddr &&
-	      !IPV6_ADDR_SAME(&addr->sin6_addr,
-			      &((struct sockaddr_in6 *)
-			      	ifap->ifa_dstaddr)->sin6_addr))
-	    {
-	      dest = (struct sockaddr_in6 *) ifap->ifa_dstaddr;
-	      dest_pnt = &dest->sin6_addr;
-	      flags = ZEBRA_IFA_PEER;
-	    }
-	  else if (ifap->ifa_broadaddr &&
-		   !IPV6_ADDR_SAME(&addr->sin6_addr,
-				   &((struct sockaddr_in6 *)
-				     ifap->ifa_broadaddr)->sin6_addr))
-	    {
-	      dest = (struct sockaddr_in6 *) ifap->ifa_broadaddr;
-	      dest_pnt = &dest->sin6_addr;
-	    }
+	for (ifapfree = ifap; ifap; ifap = ifap->ifa_next) {
+		if (ifap->ifa_addr == NULL) {
+			zlog_err(
+				"%s: nonsensical ifaddr with NULL ifa_addr, ifname %s",
+				__func__,
+				(ifap->ifa_name ? ifap->ifa_name : "(null)"));
+			continue;
+		}
+
+		ifp = if_lookup_by_name(ifap->ifa_name, VRF_DEFAULT);
+		if (ifp == NULL) {
+			zlog_err("if_getaddrs(): Can't lookup interface %s\n",
+				 ifap->ifa_name);
+			continue;
+		}
+
+		if (ifap->ifa_addr->sa_family == AF_INET) {
+			struct sockaddr_in *addr;
+			struct sockaddr_in *mask;
+			struct sockaddr_in *dest;
+			struct in_addr *dest_pnt;
+			int flags = 0;
+
+			addr = (struct sockaddr_in *)ifap->ifa_addr;
+			mask = (struct sockaddr_in *)ifap->ifa_netmask;
+			prefixlen = ip_masklen(mask->sin_addr);
+
+			dest_pnt = NULL;
+
+			if (ifap->ifa_dstaddr
+			    && !IPV4_ADDR_SAME(&addr->sin_addr,
+					       &((struct sockaddr_in *)
+							 ifap->ifa_dstaddr)
+							->sin_addr)) {
+				dest = (struct sockaddr_in *)ifap->ifa_dstaddr;
+				dest_pnt = &dest->sin_addr;
+				flags = ZEBRA_IFA_PEER;
+			} else if (ifap->ifa_broadaddr
+				   && !IPV4_ADDR_SAME(
+					      &addr->sin_addr,
+					      &((struct sockaddr_in *)
+							ifap->ifa_broadaddr)
+						       ->sin_addr)) {
+				dest = (struct sockaddr_in *)
+					       ifap->ifa_broadaddr;
+				dest_pnt = &dest->sin_addr;
+			}
+
+			connected_add_ipv4(ifp, flags, &addr->sin_addr,
+					   prefixlen, dest_pnt, NULL);
+		}
+		if (ifap->ifa_addr->sa_family == AF_INET6) {
+			struct sockaddr_in6 *addr;
+			struct sockaddr_in6 *mask;
+			struct sockaddr_in6 *dest;
+			struct in6_addr *dest_pnt;
+			int flags = 0;
+
+			addr = (struct sockaddr_in6 *)ifap->ifa_addr;
+			mask = (struct sockaddr_in6 *)ifap->ifa_netmask;
+			prefixlen = ip6_masklen(mask->sin6_addr);
+
+			dest_pnt = NULL;
+
+			if (ifap->ifa_dstaddr
+			    && !IPV6_ADDR_SAME(&addr->sin6_addr,
+					       &((struct sockaddr_in6 *)
+							 ifap->ifa_dstaddr)
+							->sin6_addr)) {
+				dest = (struct sockaddr_in6 *)ifap->ifa_dstaddr;
+				dest_pnt = &dest->sin6_addr;
+				flags = ZEBRA_IFA_PEER;
+			} else if (ifap->ifa_broadaddr
+				   && !IPV6_ADDR_SAME(
+					      &addr->sin6_addr,
+					      &((struct sockaddr_in6 *)
+							ifap->ifa_broadaddr)
+						       ->sin6_addr)) {
+				dest = (struct sockaddr_in6 *)
+					       ifap->ifa_broadaddr;
+				dest_pnt = &dest->sin6_addr;
+			}
 
 #if defined(KAME)
-	  if (IN6_IS_ADDR_LINKLOCAL(&addr->sin6_addr)) 
-	    {
-	      addr->sin6_scope_id =
-			ntohs(*(u_int16_t *)&addr->sin6_addr.s6_addr[2]);
-	      addr->sin6_addr.s6_addr[2] = addr->sin6_addr.s6_addr[3] = 0;
-	    }	
-#endif          
-
-	  connected_add_ipv6 (ifp, flags, &addr->sin6_addr, prefixlen, 
-	                      dest_pnt, NULL);
+			if (IN6_IS_ADDR_LINKLOCAL(&addr->sin6_addr)) {
+				addr->sin6_scope_id =
+					ntohs(*(u_int16_t *)&addr->sin6_addr
+						       .s6_addr[2]);
+				addr->sin6_addr.s6_addr[2] =
+					addr->sin6_addr.s6_addr[3] = 0;
+			}
+#endif
+
+			connected_add_ipv6(ifp, flags, &addr->sin6_addr,
+					   prefixlen, dest_pnt, NULL);
+		}
 	}
-    }
 
-  freeifaddrs (ifapfree);
+	freeifaddrs(ifapfree);
 
-  return 0; 
+	return 0;
 }
 
 /* Fetch interface information via ioctl(). */
-static void
-interface_info_ioctl ()
+static void interface_info_ioctl()
 {
-  struct listnode *node, *nnode;
-  struct interface *ifp;
-  
-  for (ALL_LIST_ELEMENTS (vrf_iflist (VRF_DEFAULT), node, nnode, ifp))
-    {
-      if_get_index (ifp);
+	struct listnode *node, *nnode;
+	struct interface *ifp;
+
+	for (ALL_LIST_ELEMENTS(vrf_iflist(VRF_DEFAULT), node, nnode, ifp)) {
+		if_get_index(ifp);
 #ifdef SIOCGIFHWADDR
-      if_get_hwaddr (ifp);
+		if_get_hwaddr(ifp);
 #endif /* SIOCGIFHWADDR */
-      if_get_flags (ifp);
-      if_get_mtu (ifp);
-      if_get_metric (ifp);
-    }
+		if_get_flags(ifp);
+		if_get_mtu(ifp);
+		if_get_metric(ifp);
+	}
 }
 
 /* Lookup all interface information. */
-void
-interface_list (struct zebra_ns *zns)
+void interface_list(struct zebra_ns *zns)
 {
 
-  zlog_info ("interface_list: NS %u", zns->ns_id);
+	zlog_info("interface_list: NS %u", zns->ns_id);
 
-  /* Linux can do both proc & ioctl, ioctl is the only way to get
-     interface aliases in 2.2 series kernels. */
+/* Linux can do both proc & ioctl, ioctl is the only way to get
+   interface aliases in 2.2 series kernels. */
 #ifdef HAVE_PROC_NET_DEV
-  interface_list_proc ();
+	interface_list_proc();
 #endif /* HAVE_PROC_NET_DEV */
-  interface_list_ioctl ();
+	interface_list_ioctl();
 
-  /* After listing is done, get index, address, flags and other
-     interface's information. */
-  interface_info_ioctl ();
+	/* After listing is done, get index, address, flags and other
+	   interface's information. */
+	interface_info_ioctl();
 
-  if_getaddrs ();
+	if_getaddrs();
 
 #if defined(HAVE_PROC_NET_IF_INET6)
-  /* Linux provides interface's IPv6 address via
-     /proc/net/if_inet6. */
-  ifaddr_proc_ipv6 ();
+	/* Linux provides interface's IPv6 address via
+	   /proc/net/if_inet6. */
+	ifaddr_proc_ipv6();
 #endif /* HAVE_PROC_NET_IF_INET6 */
 }