merge from the autoconf2 branch to the main branch

(This used to be commit 3bda7ac417107a7b01d91805ca71c4330657ed21)

1 files changed, 36 insertions, 191 deletions

diff --git a/source3/lib/interface.c b/source3/lib/interface.c
index 8c1610e9cb..7aae803abf 100644
--- a/source3/lib/interface.c
+++ b/source3/lib/interface.c
@@ -78,200 +78,45 @@ static void get_broadcast(struct in_addr *if_ipaddr,
 			  struct in_addr *if_bcast,
 			  struct in_addr *if_nmask)
 {  
-  BOOL found = False;
-#ifndef NO_GET_BROADCAST
-  int sock = -1;               /* AF_INET raw socket desc */
-  char buff[1024];
-  struct ifreq *ifr=NULL;
-  int i;
-
-#if defined(EVEREST)
-  int n_interfaces;
-  struct ifconf ifc;
-  struct ifreq  *ifreqs;
-#elif defined(USE_IFREQ)
-  struct ifreq ifreq;
-  struct strioctl strioctl;
-  struct ifconf *ifc;
-#else
-  struct ifconf ifc;
-#endif
-#endif
-
-  /* get a default netmask and broadcast */
-  default_netmask(if_nmask, if_ipaddr);
-
-#ifndef NO_GET_BROADCAST  
-  /* Create a socket to the INET kernel. */
-#if USE_SOCKRAW
-  if ((sock = socket(AF_INET, SOCK_RAW, PF_INET )) < 0)
-#else
-    if ((sock = socket(AF_INET, SOCK_DGRAM, 0 )) < 0)
-#endif
-      {
-        DEBUG(0,( "Unable to open socket to get broadcast address\n"));
-        return;
-      }
-  
-  /* Get a list of the configured interfaces */
-#ifdef EVEREST
-  /* This is part of SCO Openserver 5: The ioctls are no longer part
-     if the lower level STREAMS interface glue. They are now real
-     ioctl calls */
-
-  if (ioctl(sock, SIOCGIFANUM, &n_interfaces) < 0) {
-    DEBUG(0,( "SIOCGIFANUM: %s\n", strerror(errno)));
-  } else {
-    DEBUG(0,( "number of interfaces returned is: %d\n", n_interfaces));
-
-    ifc.ifc_len = sizeof(struct ifreq) * n_interfaces;
-    ifc.ifc_buf = (caddr_t) alloca(ifc.ifc_len);
-
-    if (ioctl(sock, SIOCGIFCONF, &ifc) < 0)
-      DEBUG(0, ( "SIOCGIFCONF: %s\n", strerror(errno)));
-    else {
-      ifr = ifc.ifc_req;
-
-      for (i = 0; i < n_interfaces; ++i) {
-	if (if_ipaddr->s_addr ==
-	    ((struct sockaddr_in *) &ifr[i].ifr_addr)->sin_addr.s_addr) {
-	  found = True;
-	  break;
+	uint32 nm;
+	short onbc;
+	short offbc;
+
+	/* get a default netmask and broadcast */
+	default_netmask(if_nmask, if_ipaddr);
+
+	get_netmask(if_ipaddr, if_nmask);
+
+	/* sanity check on the netmask */
+	nm = ntohl(if_nmask->s_addr);
+	onbc = 0;
+	offbc = 0;
+	while((onbc + offbc) < 32) {
+		if(nm & 0x80000000) {
+			onbc++;
+			if(offbc) {
+				/* already found an off bit, so mask
+                                   is wrong */
+				onbc = 34;
+			}
+		} else {
+			offbc++;
+		}
+		nm <<= 1;
+	}
+	if ((onbc < 8)||(onbc == 34)) {
+		DEBUG(0,("Impossible netmask %s - using defaults\n",
+			 inet_ntoa(*if_nmask)));
+		default_netmask(if_nmask, if_ipaddr);      
 	}
-      }
-    }
-  }
-#elif defined(USE_IFREQ)
-  ifc = (struct ifconf *)buff;
-  ifc->ifc_len = BUFSIZ - sizeof(struct ifconf);
-  strioctl.ic_cmd = SIOCGIFCONF;
-  strioctl.ic_dp  = (char *)ifc;
-  strioctl.ic_len = sizeof(buff);
-  if (ioctl(sock, I_STR, &strioctl) < 0) {
-    DEBUG(0,( "I_STR/SIOCGIFCONF: %s\n", strerror(errno)));
-  } else {
-    ifr = (struct ifreq *)ifc->ifc_req;  
-
-    /* Loop through interfaces, looking for given IP address */
-    for (i = ifc->ifc_len / sizeof(struct ifreq); --i >= 0; ifr++) {
-      if (if_ipaddr->s_addr ==
-	  (*(struct sockaddr_in *) &ifr->ifr_addr).sin_addr.s_addr) {
-	found = True;
-	break;
-      }
-    }
-  }
-#elif defined(__FreeBSD__) || defined(NETBSD) || defined(AMIGA) || defined(_AIX41) || defined(__OpenBSD__)
-  ifc.ifc_len = sizeof(buff);
-  ifc.ifc_buf = buff;
-  if (ioctl(sock, SIOCGIFCONF, &ifc) < 0) {
-    DEBUG(0,("SIOCGIFCONF: %s\n", strerror(errno)));
-  } else {
-    ifr = ifc.ifc_req;
-    /* Loop through interfaces, looking for given IP address */
-    i = ifc.ifc_len;
-    while (i > 0) {
-      if (if_ipaddr->s_addr ==
-	  (*(struct sockaddr_in *) &ifr->ifr_addr).sin_addr.s_addr) {
-	found = True;
-	break;
-      }
-      i -= ifr->ifr_addr.sa_len + IFNAMSIZ;
-      ifr = (struct ifreq*) ((char*) ifr + ifr->ifr_addr.sa_len + IFNAMSIZ);
-    }
-  }
-#else
-  ifc.ifc_len = sizeof(buff);
-  ifc.ifc_buf = buff;
-  if (ioctl(sock, SIOCGIFCONF, &ifc) < 0) {
-    DEBUG(0,("SIOCGIFCONF: %s\n", strerror(errno)));
-  } else {
-    ifr = ifc.ifc_req;
-  
-    /* Loop through interfaces, looking for given IP address */
-    for (i = ifc.ifc_len / sizeof(struct ifreq); --i >= 0; ifr++) {
-#ifdef BSDI
-      if (ioctl(sock, SIOCGIFADDR, ifr) < 0) break;
-#endif
-      if (if_ipaddr->s_addr ==
-	  (*(struct sockaddr_in *) &ifr->ifr_addr).sin_addr.s_addr) {
-	found = True;
-	break;
-      }
-    }
-  }
-#endif
-  
-  if (!found) {
-    DEBUG(0,("No interface found for address %s\n", inet_ntoa(*if_ipaddr)));
-  } else {
-    /* Get the netmask address from the kernel */
-#ifdef USE_IFREQ
-    ifreq = *ifr;
-  
-    strioctl.ic_cmd = SIOCGIFNETMASK;
-    strioctl.ic_dp  = (char *)&ifreq;
-    strioctl.ic_len = sizeof(struct ifreq);
-    if (ioctl(sock, I_STR, &strioctl) < 0)
-      DEBUG(0,("Failed I_STR/SIOCGIFNETMASK: %s\n", strerror(errno)));
-    else
-      *if_nmask = ((struct sockaddr_in *)&ifreq.ifr_addr)->sin_addr;
-#else
-    if (ioctl(sock, SIOCGIFNETMASK, ifr) < 0)
-      DEBUG(0,("SIOCGIFNETMASK failed\n"));
-    else
-      *if_nmask = ((struct sockaddr_in *)&ifr->ifr_addr)->sin_addr;
-#endif
-
-    DEBUG(4,("Netmask for %s = %s\n", ifr->ifr_name,
-	     inet_ntoa(*if_nmask)));
-  }
-
-  /* Close up shop */
-  (void) close(sock);
-  
-#endif
-
-  /* sanity check on the netmask */
-  {
-    uint32 nm;
-    short onbc;
-    short offbc;
-
-    nm = ntohl(if_nmask->s_addr);
-    onbc = 0;
-    offbc = 0;
-    while( (onbc + offbc) < 32 )
-         {
-           if( nm & 0x80000000 )
-             {
-               onbc++;
-               if( offbc ) /* already found an off bit, so mask is wrong */
-                 {
-                   onbc = 34;
-                 }
-             }
-           else
-             {
-               offbc++;
-             }
-           nm <<= 1;
-         }
-    if ((onbc < 8)||(onbc == 34)) {
-      DEBUG(0,("Impossible netmask %s - using defaults\n",inet_ntoa(*if_nmask)));
-      default_netmask(if_nmask, if_ipaddr);      
-    }
-  }
 
-  /* derive the broadcast assuming a 1's broadcast, as this is what
-     all MS operating systems do, we have to comply even if the unix
-     box is setup differently */
-  {
-    if_bcast->s_addr = MKBCADDR(if_ipaddr->s_addr, if_nmask->s_addr);
-  }
+	/* derive the broadcast assuming a 1's broadcast, as this is what
+	   all MS operating systems do, we have to comply even if the unix
+	   box is setup differently */
+	if_bcast->s_addr = MKBCADDR(if_ipaddr->s_addr, if_nmask->s_addr);
   
-  DEBUG(4,("Derived broadcast address %s\n", inet_ntoa(*if_bcast)));
-}  /* get_broadcast */
+	DEBUG(4,("Derived broadcast address %s\n", inet_ntoa(*if_bcast)));
+}