Cleanup in sysdep KRT code, part 2.

Remove support for historic Linux kernels,
merge krt-iface, krt-set and krt-scan stub headers.

1 files changed, 0 insertions, 228 deletions

diff --git a/sysdep/unix/krt-iface.c b/sysdep/unix/krt-iface.c
deleted file mode 100644
index 88c17ecd..00000000
--- a/sysdep/unix/krt-iface.c
+++ /dev/null
@@ -1,228 +0,0 @@
-/*
- *	BIRD -- Unix Interface Scanning and Syncing
- *
- *	(c) 1998--2000 Martin Mares <mj@ucw.cz>
- *      (c) 2004       Ondrej Filip <feela@network.cz>
- *
- *	Can be freely distributed and used under the terms of the GNU GPL.
- */
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <net/if.h>
-#include <sys/ioctl.h>
-#include <errno.h>
-
-#undef LOCAL_DEBUG
-
-#include "nest/bird.h"
-#include "nest/iface.h"
-#include "nest/route.h"
-#include "nest/protocol.h"
-#include "lib/timer.h"
-#include "lib/krt.h"
-#include "lib/string.h"
-
-#include "unix.h"
-
-int if_scan_sock = -1;
-
-static void
-scan_ifs(struct ifreq *r, int cnt)
-{
-  struct iface i, *pi;
-  struct ifa a;
-  char *err, *colon;
-  unsigned fl;
-  ip_addr netmask;
-  int l, scope;
-  sockaddr *sa;
-
-  if_start_update();
-  for (cnt /= sizeof(struct ifreq); cnt; cnt--, r++)
-    {
-      int sec = 0;
-      bzero(&i, sizeof(i));
-      bzero(&a, sizeof(a));
-      if (colon = strchr(r->ifr_name, ':'))
-	{
-	  /* It's an alias -- let's interpret it as a secondary interface address */
-	  sec = 1;
-	  *colon = 0;
-	}
-      strncpy(i.name, r->ifr_name, sizeof(i.name) - 1);
-
-      if(ioctl(if_scan_sock, SIOCGIFADDR,r)<0) continue;
-
-      get_sockaddr((struct sockaddr_in *) &r->ifr_addr, &a.ip, NULL, 1);
-      if (ipa_nonzero(a.ip))
-	{
-	  l = ipa_classify(a.ip);
-	  if (l < 0 || !(l & IADDR_HOST))
-	    {
-	      log(L_ERR "%s: Invalid interface address", i.name);
-	      a.ip = IPA_NONE;
-	    }
-	  else
-	    {
-	      a.scope = l & IADDR_SCOPE_MASK;
-	      if (a.scope == SCOPE_HOST)
-		i.flags |= IF_LOOPBACK | IF_IGNORE;
-	    }
-	}
-
-      if (ioctl(if_scan_sock, SIOCGIFFLAGS, r) < 0)
-	{
-	  err = "SIOCGIFFLAGS";
-	faulty:
-	  log(L_ERR "%s(%s): %m", err, i.name);
-	bad:
-	  i.flags = (i.flags & ~IF_ADMIN_UP) | IF_SHUTDOWN;
-	  continue;
-	}
-      fl = r->ifr_flags;
-      if (fl & IFF_UP)
-	i.flags |= IF_ADMIN_UP;
-
-      if (ioctl(if_scan_sock, SIOCGIFNETMASK, r) < 0)
-	{ err = "SIOCGIFNETMASK"; goto faulty; }
-      get_sockaddr((struct sockaddr_in *) &r->ifr_addr, &netmask, NULL, 0);
-      l = ipa_mklen(netmask);
-      if (l < 0)
-	{
-	  log(L_ERR "%s: Invalid netmask (%x)", i.name, netmask);
-	  goto bad;
-	}
-      a.pxlen = l;
-
-      if (fl & IFF_POINTOPOINT)
-	{
-	  a.flags |= IA_PEER;
-	  if (ioctl(if_scan_sock, SIOCGIFDSTADDR, r) < 0)
-	    { err = "SIOCGIFDSTADDR"; goto faulty; }
-	  get_sockaddr((struct sockaddr_in *) &r->ifr_addr, &a.opposite, NULL, 1);
-	  a.prefix = a.opposite;
-	  a.pxlen = BITS_PER_IP_ADDRESS;
-	}
-      else
-	a.prefix = ipa_and(a.ip, ipa_mkmask(a.pxlen));
-      if (fl & IFF_LOOPBACK)
-	i.flags |= IF_LOOPBACK | IF_IGNORE;
-      if (1
-#ifndef CONFIG_ALL_MULTICAST
-	  && (fl & IFF_MULTICAST)
-#endif
-#ifndef CONFIG_UNNUM_MULTICAST
-	  && !(a.flags & IA_PEER)
-#endif
-	 )
-	i.flags |= IF_MULTICAST;
-
-      scope = ipa_classify(a.ip);
-      if (scope < 0)
-	{
-	  log(L_ERR "%s: Invalid address", i.name);
-	  goto bad;
-	}
-      a.scope = scope & IADDR_SCOPE_MASK;
-
-      if (a.pxlen < 32)
-	{
-	  a.brd = ipa_or(a.prefix, ipa_not(ipa_mkmask(a.pxlen)));
-	  if (ipa_equal(a.ip, a.prefix) || ipa_equal(a.ip, a.brd))
-	    {
-	      log(L_ERR "%s: Using network or broadcast address for interface", i.name);
-	      goto bad;
-	    }
-	  if (fl & IFF_BROADCAST)
-	    i.flags |= IF_BROADCAST;
-	  if (a.pxlen < 30)
-	    i.flags |= IF_MULTIACCESS;
-	  if (a.pxlen == 30)
-	    ifa.opposite = ipa_opposite_m2(ifa.ip);
-	  if (a.pxlen == 31)
-	    ifa.opposite = ipa_opposite_m1(ifa.ip);
-	}
-      else
-	a.brd = a.opposite;
-      a.scope = SCOPE_UNIVERSE;
-
-      if (ioctl(if_scan_sock, SIOCGIFMTU, r) < 0)
-	{ err = "SIOCGIFMTU"; goto faulty; }
-      i.mtu = r->ifr_mtu;
-
-#ifdef SIOCGIFINDEX
-      if (ioctl(if_scan_sock, SIOCGIFINDEX, r) >= 0)
-	i.index = r->ifr_ifindex;
-      else if (errno != EINVAL)
-	DBG("SIOCGIFINDEX failed: %m\n");
-      else	/* defined, but not supported by the kernel */
-#endif
-      /*
-       *  The kernel doesn't give us real ifindices, but we still need them
-       *  at least for OSPF unnumbered links. So let's make them up ourselves.
-       */
-      if (pi = if_find_by_name(i.name))
-	i.index = pi->index;
-      else
-	{
-	  static int if_index_counter = 1;
-	  i.index = if_index_counter++;
-	}
-
-      pi = NULL;
-      if (sec)
-	{
-	  a.flags |= IA_SECONDARY;
-	  pi = if_find_by_index(i.index);
-	}
-      if (!pi)
-	pi = if_update(&i);
-      a.iface = pi;
-      ifa_update(&a);
-    }
-  if_end_update();
-}
-
-void
-kif_do_scan(struct kif_proto *p)
-{
-  struct ifconf ic;
-  static int last_ifbuf_size = 4*sizeof(struct ifreq);
-  int res;
-
-  for(;;)
-    {
-      ic.ifc_buf = alloca(last_ifbuf_size);
-      ic.ifc_len = last_ifbuf_size;
-      res = ioctl(if_scan_sock, SIOCGIFCONF, &ic);
-      if (res < 0 && errno != EFAULT)
-        die("SIOCCGIFCONF: %m");
-      if (res >= 0 && ic.ifc_len <= last_ifbuf_size)
-        break;
-      last_ifbuf_size *= 2;
-      DBG("Increased ifconf buffer size to %d\n", last_ifbuf_size);
-    }
-  scan_ifs(ic.ifc_req, ic.ifc_len);
-}
-
-void
-kif_start(struct kif_proto *p)
-{
-}
-
-void
-kif_shutdown(struct kif_proto *p)
-{
-}
-
-void
-kif_io_init(void)
-{
-  if_scan_sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP);
-  DBG("Using socket %d for interface and route scanning\n", if_scan_sock);
-  if (if_scan_sock < 0)
-    die("Cannot create scanning socket: %m");
-}
-