Remove trailing whitespace

10 files changed, 142 insertions, 142 deletions

diff --git a/lib/libalias/alias.c b/lib/libalias/alias.c
index 320c5c2..a491f07 100644
--- a/lib/libalias/alias.c
+++ b/lib/libalias/alias.c
@@ -103,7 +103,7 @@ __FBSDID("$FreeBSD$");
     Version 2.3 Dec 1998 (dillon)
 	- Major bounds checking additions, see FreeBSD/CVS
 
-    Version 3.1 May, 2000 (salander) 
+    Version 3.1 May, 2000 (salander)
 	- Added hooks to handle PPTP.
 
     Version 3.2 July, 2000 (salander and satoh)
@@ -186,7 +186,7 @@ TcpMonitorOut(struct ip *pip, struct alias_link *link)
     struct tcphdr *tc;
 
     tc = (struct tcphdr *) ((char *) pip + (pip->ip_hl << 2));
-     
+
     switch (GetStateOut(link))
     {
         case ALIAS_TCP_STATE_NOT_CONNECTED:
@@ -206,7 +206,7 @@ TcpMonitorOut(struct ip *pip, struct alias_link *link)
 
 
 
-/* Protocol Specific Packet Aliasing Routines 
+/* Protocol Specific Packet Aliasing Routines
 
     IcmpAliasIn(), IcmpAliasIn1(), IcmpAliasIn2()
     IcmpAliasOut(), IcmpAliasOut1(), IcmpAliasOut2()
@@ -358,7 +358,7 @@ IcmpAliasIn2(struct ip *pip)
 
             original_address = GetOriginalAddress(link);
             original_port = GetOriginalPort(link);
-    
+
 /* Adjust ICMP checksum */
             sptr = (u_short *) &(ip->ip_src);
             accumulate  = *sptr++;
@@ -380,7 +380,7 @@ IcmpAliasIn2(struct ip *pip)
 /* Un-alias address and port number of original IP packet
 fragment contained in ICMP data section */
             ip->ip_src = original_address;
-            ud->uh_sport = original_port; 
+            ud->uh_sport = original_port;
         }
         else if (ip->ip_p == IPPROTO_ICMP)
         {
@@ -410,7 +410,7 @@ fragment contained in ICMP data section */
                                  2);
             pip->ip_dst = original_address;
 
-/* Un-alias address of original IP packet and sequence number of 
+/* Un-alias address of original IP packet and sequence number of
    embedded ICMP datagram */
             ip->ip_src = original_address;
             ic2->icmp_id = original_id;
@@ -552,7 +552,7 @@ IcmpAliasOut2(struct ip *pip)
 
             alias_address = GetAliasAddress(link);
             alias_port = GetAliasPort(link);
-    
+
 /* Adjust ICMP checksum */
             sptr = (u_short *) &(ip->ip_dst);
             accumulate  = *sptr++;
@@ -579,7 +579,7 @@ IcmpAliasOut2(struct ip *pip)
 /* Alias address and port number of original IP packet
 fragment contained in ICMP data section */
             ip->ip_dst = alias_address;
-            ud->uh_dport = alias_port; 
+            ud->uh_dport = alias_port;
         }
         else if (ip->ip_p == IPPROTO_ICMP)
         {
@@ -614,7 +614,7 @@ fragment contained in ICMP data section */
 		pip->ip_src = alias_address;
 	    }
 
-/* Alias address of original IP packet and sequence number of 
+/* Alias address of original IP packet and sequence number of
    embedded ICMP datagram */
             ip->ip_dst = alias_address;
             ic2->icmp_id = alias_id;
@@ -1085,7 +1085,7 @@ TcpAliasOut(struct ip *pip, int maxpacketsize)
         else if (ntohs(tc->th_dport) == RTSP_CONTROL_PORT_NUMBER_1
          || ntohs(tc->th_sport) == RTSP_CONTROL_PORT_NUMBER_1
          || ntohs(tc->th_dport) == RTSP_CONTROL_PORT_NUMBER_2
-         || ntohs(tc->th_sport) == RTSP_CONTROL_PORT_NUMBER_2) 
+         || ntohs(tc->th_sport) == RTSP_CONTROL_PORT_NUMBER_2)
             AliasHandleRtspOut(pip, link, maxpacketsize);
         else if (ntohs(tc->th_dport) == PPTP_CONTROL_PORT_NUMBER
          || ntohs(tc->th_sport) == PPTP_CONTROL_PORT_NUMBER)
@@ -1176,8 +1176,8 @@ FragmentIn(struct ip *pip)
                              (u_short *) &original_address,
                              (u_short *) &pip->ip_dst,
                              2);
-        pip->ip_dst = original_address; 
-   
+        pip->ip_dst = original_address;
+
         return(PKT_ALIAS_OK);
     }
     return(PKT_ALIAS_UNRESOLVED_FRAGMENT);
@@ -1299,12 +1299,12 @@ PacketAliasIn(char *ptr, int maxpacketsize)
     ClearCheckNewLink();
     pip = (struct ip *) ptr;
     alias_addr = pip->ip_dst;
-        
+
     /* Defense against mangled packets */
     if (ntohs(pip->ip_len) > maxpacketsize
      || (pip->ip_hl<<2) > maxpacketsize)
         return PKT_ALIAS_IGNORED;
-        
+
     iresult = PKT_ALIAS_IGNORED;
     if ( (ntohs(pip->ip_off) & IP_OFFMASK) == 0 )
     {
@@ -1484,7 +1484,7 @@ PacketUnaliasOut(char *ptr,           /* valid IP packet */
         link = FindUdpTcpIn(pip->ip_dst, pip->ip_src,
                             tc->th_dport, tc->th_sport,
                             IPPROTO_TCP, 0);
-    else if (pip->ip_p == IPPROTO_ICMP) 
+    else if (pip->ip_p == IPPROTO_ICMP)
         link = FindIcmpIn(pip->ip_dst, pip->ip_src, ic->icmp_id, 0);
     else
         link = NULL;
@@ -1501,7 +1501,7 @@ PacketUnaliasOut(char *ptr,           /* valid IP packet */
 
             original_address = GetOriginalAddress(link);
             original_port = GetOriginalPort(link);
-    
+
             /* Adjust TCP/UDP checksum */
             sptr = (u_short *) &(pip->ip_src);
             accumulate  = *sptr++;
@@ -1514,7 +1514,7 @@ PacketUnaliasOut(char *ptr,           /* valid IP packet */
                 accumulate += ud->uh_sport;
                 accumulate -= original_port;
                 ADJUST_CHECKSUM(accumulate, ud->uh_sum);
-	    } else { 
+	    } else {
                 accumulate += tc->th_sport;
                 accumulate -= original_port;
                 ADJUST_CHECKSUM(accumulate, tc->th_sum);
@@ -1526,13 +1526,13 @@ PacketUnaliasOut(char *ptr,           /* valid IP packet */
                                  (u_short *) &pip->ip_src,
                                  2);
 
-            /* Un-alias source address and port number */ 
+            /* Un-alias source address and port number */
             pip->ip_src = original_address;
-            if (pip->ip_p == IPPROTO_UDP) 
-                ud->uh_sport = original_port; 
-	    else   
-                tc->th_sport = original_port; 
-            
+            if (pip->ip_p == IPPROTO_UDP)
+                ud->uh_sport = original_port;
+	    else
+                tc->th_sport = original_port;
+
 	    iresult = PKT_ALIAS_OK;
 
         } else if (pip->ip_p == IPPROTO_ICMP) {
diff --git a/lib/libalias/alias.h b/lib/libalias/alias.h
index 9df8929..eab4044 100644
--- a/lib/libalias/alias.h
+++ b/lib/libalias/alias.h
@@ -31,7 +31,7 @@
 /*-
  * Alias.h defines the outside world interfaces for the packet aliasing
  * software.
- * 
+ *
  * This software is placed into the public domain with no restrictions on its
  * distribution.
  */
diff --git a/lib/libalias/alias_cuseeme.c b/lib/libalias/alias_cuseeme.c
index 2c0587e..27d1c65d 100644
--- a/lib/libalias/alias_cuseeme.c
+++ b/lib/libalias/alias_cuseeme.c
@@ -81,7 +81,7 @@ AliasHandleCUSeeMeOut(struct ip *pip, struct alias_link *link)
 
     cu_link = FindUdpTcpOut(pip->ip_src, GetDestAddress(link),
                             ud->uh_dport, 0, IPPROTO_UDP, 1);
-                         
+
 #ifndef NO_FW_PUNCH
     if (cu_link)
         PunchFWHole(cu_link);
diff --git a/lib/libalias/alias_db.c b/lib/libalias/alias_db.c
index f5b0405..579507c 100644
--- a/lib/libalias/alias_db.c
+++ b/lib/libalias/alias_db.c
@@ -132,12 +132,12 @@ __FBSDID("$FreeBSD$");
         implements static network address translation.
 
     Version 3.2: July, 2000 (salander and satoh)
-        Added FindNewPortGroup to get contiguous range of port values.  
+        Added FindNewPortGroup to get contiguous range of port values.
 
         Added QueryUdpTcpIn and QueryUdpTcpOut to look for an aliasing
 	link but not actually add one.
 
-        Added FindRtspOut, which is closely derived from FindUdpTcpOut, 
+        Added FindRtspOut, which is closely derived from FindUdpTcpOut,
 	except that the alias port (from FindNewPortGroup) is provided
 	as input.
 
@@ -334,14 +334,14 @@ struct alias_link                /* Main data structure */
 
 
 
-/* Global Variables 
+/* Global Variables
 
     The global variables listed here are only accessed from
-    within alias_db.c and so are prefixed with the static 
+    within alias_db.c and so are prefixed with the static
     designation.
 */
 
-int packetAliasMode;                 /* Mode flags                      */ 
+int packetAliasMode;                 /* Mode flags                      */
                                      /*        - documented in alias.h  */
 
 static struct in_addr aliasAddress;  /* Address written onto source     */
@@ -389,7 +389,7 @@ static FILE *monitorFile;            /* File descriptor for link        */
 static int newDefaultLink;           /* Indicates if a new aliasing     */
                                      /* link has been created after a   */
                                      /* call to PacketAliasIn/Out().    */
-             
+
 #ifndef NO_FW_PUNCH
 static int fireWallFD = -1;          /* File descriptor to be able to   */
                                      /* control firewall.  Opened by    */
@@ -411,7 +411,7 @@ Lookup table starting points:
                                 incoming packets
     StartPointOut()          -- link table initial search point for
                                 outgoing packets
-    
+
 Miscellaneous:
     SeqDiff()                -- difference between two TCP sequences
     ShowAliasStats()         -- send alias statistics to a monitor file
@@ -463,7 +463,7 @@ StartPointOut(struct in_addr src_addr, struct in_addr dst_addr,
     n  = src_addr.s_addr;
     n += dst_addr.s_addr;
     if (link_type != LINK_PPTP) {
-	n += src_port; 
+	n += src_port;
 	n += dst_port;
     }
     n += link_type;
@@ -529,15 +529,15 @@ Link creation and deletion:
     CleanupAliasData()      - remove all link chains from lookup table
     IncrementalCleanup()    - look for stale links in a single chain
     DeleteLink()            - remove link
-    AddLink()               - add link 
-    ReLink()                - change link 
+    AddLink()               - add link
+    ReLink()                - change link
 
 Link search:
     FindLinkOut()           - find link for outgoing packets
     FindLinkIn()            - find link for incoming packets
 
 Port search:
-    FindNewPortGroup()      - find an available group of ports 
+    FindNewPortGroup()      - find an available group of ports
 */
 
 /* Local prototypes */
@@ -599,7 +599,7 @@ GetNewPort(struct alias_link *link, int alias_port_param)
    When this parameter is GET_ALIAS_PORT, it indicates to get a randomly
    selected port number.
 */
- 
+
     if (alias_port_param == GET_ALIAS_PORT)
     {
         /*
@@ -665,7 +665,7 @@ GetNewPort(struct alias_link *link, int alias_port_param)
         {
             if ((packetAliasMode & PKT_ALIAS_USE_SOCKETS)
              && (link->flags & LINK_PARTIALLY_SPECIFIED)
-	     && ((link->link_type == LINK_TCP) || 
+	     && ((link->link_type == LINK_TCP) ||
 		 (link->link_type == LINK_UDP)))
             {
                 if (GetSocket(port_net, &link->sockfd, link->link_type))
@@ -695,7 +695,7 @@ GetNewPort(struct alias_link *link, int alias_port_param)
 }
 
 
-static u_short 
+static u_short
 GetSocket(u_short port_net, int *sockfd, int link_type)
 {
     int err;
@@ -745,7 +745,7 @@ GetSocket(u_short port_net, int *sockfd, int link_type)
 }
 
 
-/* FindNewPortGroup() returns a base port number for an available        
+/* FindNewPortGroup() returns a base port number for an available
    range of contiguous port numbers. Note that if a port number
    is already in use, that does not mean that it cannot be used by
    another link concurrently.  This is because FindNewPortGroup()
@@ -756,8 +756,8 @@ FindNewPortGroup(struct in_addr  dst_addr,
                  struct in_addr  alias_addr,
                  u_short         src_port,
                  u_short         dst_port,
-                 u_short         port_count, 
-		 u_char          proto, 
+                 u_short         port_count,
+		 u_char          proto,
 		 u_char          align)
 {
     int     i, j;
@@ -814,7 +814,7 @@ FindNewPortGroup(struct in_addr  dst_addr,
 
       struct alias_link *search_result;
 
-      for (j = 0; j < port_count; j++)  
+      for (j = 0; j < port_count; j++)
         if (0 != (search_result = FindLinkIn(dst_addr, alias_addr,
                                         dst_port, htons(port_sys + j),
                                         link_type, 0)))
@@ -887,7 +887,7 @@ IncrementalCleanup(void)
                 {
                     struct tcp_dat *tcp_aux;
 
-                    tcp_aux = link->data.tcp; 
+                    tcp_aux = link->data.tcp;
                     if (tcp_aux->state.in  != ALIAS_TCP_STATE_CONNECTED
                      || tcp_aux->state.out != ALIAS_TCP_STATE_CONNECTED)
                     {
@@ -1115,12 +1115,12 @@ AddLink(struct in_addr  src_addr,
         }
 
     /* Set up pointers for output lookup table */
-        start_point = StartPointOut(src_addr, dst_addr, 
+        start_point = StartPointOut(src_addr, dst_addr,
                                     src_port, dst_port, link_type);
         LIST_INSERT_HEAD(&linkTableOut[start_point], link, list_out);
 
     /* Set up pointers for input lookup table */
-        start_point = StartPointIn(alias_addr, link->alias_port, link_type); 
+        start_point = StartPointIn(alias_addr, link->alias_port, link_type);
         LIST_INSERT_HEAD(&linkTableIn[start_point], link, list_in);
     }
     else
@@ -1292,7 +1292,7 @@ _FindLinkIn(struct in_addr dst_addr,
         if (!(flags & LINK_PARTIALLY_SPECIFIED))
         {
             if (link->alias_addr.s_addr == alias_addr.s_addr
-             && link->alias_port        == alias_port 
+             && link->alias_port        == alias_port
              && link->dst_addr.s_addr   == dst_addr.s_addr
              && link->dst_port          == dst_port
              && link->link_type         == link_type)
@@ -1621,7 +1621,7 @@ FindUdpTcpIn(struct in_addr dst_addr,
 }
 
 
-struct alias_link * 
+struct alias_link *
 FindUdpTcpOut(struct in_addr  src_addr,
               struct in_addr  dst_addr,
               u_short         src_port,
@@ -1753,7 +1753,7 @@ FindPptpInByPeerCallId(struct in_addr dst_addr,
 }
 
 
-struct alias_link * 
+struct alias_link *
 FindRtspOut(struct in_addr  src_addr,
             struct in_addr  dst_addr,
             u_short         src_port,
@@ -1796,7 +1796,7 @@ struct in_addr
 FindOriginalAddress(struct in_addr alias_addr)
 {
     struct alias_link *link;
-    
+
     link = FindLinkIn(nullAddress, alias_addr,
                       0, 0, LINK_ADDR, 0);
     if (link == NULL)
@@ -1829,7 +1829,7 @@ struct in_addr
 FindAliasAddress(struct in_addr original_addr)
 {
     struct alias_link *link;
-    
+
     link = FindLinkOut(original_addr, nullAddress,
                        0, 0, LINK_ADDR, 0);
     if (link == NULL)
@@ -2061,7 +2061,7 @@ GetDeltaAckIn(struct ip *pip, struct alias_link *link)
 /*
 Find out how much the ACK number has been altered for an incoming
 TCP packet.  To do this, a circular list of ACK numbers where the TCP
-packet size was altered is searched. 
+packet size was altered is searched.
 */
 
     int i;
@@ -2112,7 +2112,7 @@ GetDeltaSeqOut(struct ip *pip, struct alias_link *link)
 /*
 Find out how much the sequence number has been altered for an outgoing
 TCP packet.  To do this, a circular list of ACK numbers where the TCP
-packet size was altered is searched. 
+packet size was altered is searched.
 */
 
     int i;
@@ -2401,7 +2401,7 @@ PacketAliasRedirectPort(struct in_addr src_addr,   u_short src_port,
 #ifdef DEBUG
     else
     {
-        fprintf(stderr, "PacketAliasRedirectPort(): " 
+        fprintf(stderr, "PacketAliasRedirectPort(): "
                         "call to AddLink() failed\n");
     }
 #endif
@@ -2460,7 +2460,7 @@ PacketAliasRedirectProto(struct in_addr src_addr,
 #ifdef DEBUG
     else
     {
-        fprintf(stderr, "PacketAliasRedirectProto(): " 
+        fprintf(stderr, "PacketAliasRedirectProto(): "
                         "call to AddLink() failed\n");
     }
 #endif
@@ -2486,7 +2486,7 @@ PacketAliasRedirectAddr(struct in_addr src_addr,
 #ifdef DEBUG
     else
     {
-        fprintf(stderr, "PacketAliasRedirectAddr(): " 
+        fprintf(stderr, "PacketAliasRedirectAddr(): "
                         "call to AddLink() failed\n");
     }
 #endif
@@ -2653,7 +2653,7 @@ fill_cmd(ipfw_insn *cmd, enum ipfw_opcodes opcode, int flags, u_int16_t arg)
         cmd->opcode = opcode;
         cmd->len =  ((cmd->len | flags) & (F_NOT | F_OR)) | 1;
         cmd->arg1 = arg;
-}               
+}
 
 /*
  * helper function, updates the pointer to cmd with the length
@@ -2700,13 +2700,13 @@ fill_rule(void *buf, int bufsize, int rulenum,
 
 	fill_ip((ipfw_insn_ip *)cmd, O_IP_SRC, sa.s_addr);
 	cmd = next_cmd(cmd);
-    
+
 	fill_one_port((ipfw_insn_u16 *)cmd, O_IP_SRCPORT, sp);
 	cmd = next_cmd(cmd);
 
 	fill_ip((ipfw_insn_ip *)cmd, O_IP_DST, da.s_addr);
 	cmd = next_cmd(cmd);
-    
+
 	fill_one_port((ipfw_insn_u16 *)cmd, O_IP_DSTPORT, dp);
 	cmd = next_cmd(cmd);
 
@@ -2901,7 +2901,7 @@ static void
 ClearAllFWHoles(void) {
     struct ip_fw rule;          /* On-the-fly built rule */
     int i;
-    
+
     if (fireWallFD < 0)
         return;
 
diff --git a/lib/libalias/alias_irc.c b/lib/libalias/alias_irc.c
index 82c39e3..02a2bb2 100644
--- a/lib/libalias/alias_irc.c
+++ b/lib/libalias/alias_irc.c
@@ -49,7 +49,7 @@ __FBSDID("$FreeBSD$");
 
 /* Includes */
 #include <ctype.h>
-#include <stdio.h> 
+#include <stdio.h>
 #include <string.h>
 #include <sys/types.h>
 #include <netinet/in_systm.h>
@@ -69,14 +69,14 @@ AliasHandleIrcOut(struct ip *pip, /* IP packet to examine */
 				 struct alias_link *link,		  /* Which link are we on? */
 				 int maxsize		  /* Maximum size of IP packet including headers */
 				 )
-{       
+{
     int hlen, tlen, dlen;
     struct in_addr true_addr;
     u_short true_port;
     char *sptr;
     struct tcphdr *tc;
 	 int i;							  /* Iterator through the source */
-        
+
 /* Calculate data length of TCP packet */
     tc = (struct tcphdr *) ((char *) pip + (pip->ip_hl << 2));
     hlen = (pip->ip_hl + tc->th_off) << 2;
@@ -88,7 +88,7 @@ AliasHandleIrcOut(struct ip *pip, /* IP packet to examine */
         return;
 
 /* Place string pointer at beginning of data */
-    sptr = (char *) pip;  
+    sptr = (char *) pip;
     sptr += hlen;
 	 maxsize -= hlen;				  /* We're interested in maximum size of data, not packet */
 
@@ -231,7 +231,7 @@ lFOUND_CTCP:
 		 {
 			 struct alias_link *dcc_link;
 			 struct in_addr destaddr;
-			 
+
 
 			 true_port = htons(org_port);
 			 true_addr.s_addr = htonl(org_addr);
@@ -262,7 +262,7 @@ lFOUND_CTCP:
 
 				 alias_address = GetAliasAddress(link);
 				 n = snprintf(&newpacket[iCopy],
-										 sizeof(newpacket)-iCopy, 
+										 sizeof(newpacket)-iCopy,
 										 "%lu ", (u_long)htonl(alias_address.s_addr));
 				 if( n < 0 ) {
 					 DBprintf(("DCC packet construct failure.\n"));
@@ -274,7 +274,7 @@ lFOUND_CTCP:
 				 }
 				 alias_port = GetAliasPort(dcc_link);
 				 n = snprintf(&newpacket[iCopy],
-										 sizeof(newpacket)-iCopy, 
+										 sizeof(newpacket)-iCopy,
 										 "%u", htons(alias_port) );
 				 if( n < 0 ) {
 					 DBprintf(("DCC packet construct failure.\n"));
@@ -321,7 +321,7 @@ lFOUND_CTCP:
 		  /* Revise IP header */
         {
 			  u_short new_len;
-			  
+
 			  new_len = htons(hlen + iCopy + copyat);
 			  DifferentialChecksum(&pip->ip_sum,
 										  &new_len,
diff --git a/lib/libalias/alias_local.h b/lib/libalias/alias_local.h
index c25259a..4428d2a 100644
--- a/lib/libalias/alias_local.h
+++ b/lib/libalias/alias_local.h
@@ -38,7 +38,7 @@
  * This software is placed into the public domain with no restrictions
  * on its distribution.
  *
- * Initial version:  August, 1996  (cjm)    
+ * Initial version:  August, 1996  (cjm)
  *
  * <updated several times by original author and Eivind Eklund>
  */
diff --git a/lib/libalias/alias_nbt.c b/lib/libalias/alias_nbt.c
index 89e8089..4bc41bc 100644
--- a/lib/libalias/alias_nbt.c
+++ b/lib/libalias/alias_nbt.c
@@ -24,7 +24,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *  TODO:
- *       oClean up. 
+ *       oClean up.
  *       oConsidering for word alignment for other platform.
  */
 
@@ -42,7 +42,7 @@ __FBSDID("$FreeBSD$");
 
 /* Includes */
 #include <ctype.h>
-#include <stdio.h> 
+#include <stdio.h>
 #include <string.h>
 #include <sys/types.h>
 #include <netinet/in_systm.h>
@@ -114,7 +114,7 @@ static void PrintRcode( u_char rcode )  {
 		default:
 			printf("\n?%c?=%0x\n", '?', rcode );
 
-	}	
+	}
 }
 #endif
 
@@ -143,7 +143,7 @@ static u_char *AliasHandleName ( u_char *p, char *pmax ) {
 			compress = 1;
 		else
 			compress = 0;
-		
+
 	 	/* Get next length field */
 		p = (u_char *)(p + (*p & 0x3f) + 1);
 		if ((char *)p > pmax) {
@@ -184,7 +184,7 @@ static u_char *AliasHandleName ( u_char *p, char *pmax ) {
 	return ((u_char *)p);
 }
 
-/* 
+/*
  * NetBios Datagram Handler (IP/UDP)
  */
 #define DGM_DIRECT_UNIQ		0x10
@@ -205,7 +205,7 @@ int AliasHandleUdpNbt(
     NbtDataHeader 	*ndh;
     u_char		*p = NULL;
     char		*pmax;
-        
+
     /* Calculate data length of UDP packet */
     uh =  (struct udphdr *) ((char *) pip + (pip->ip_hl << 2));
     pmax = (char *)uh + ntohs( uh->uh_ulen );
@@ -328,9 +328,9 @@ typedef struct {
 } NBTNsRNB;
 
 static u_char *
-AliasHandleResourceNB( 
+AliasHandleResourceNB(
     NBTNsResource *q,
-    char *pmax, 
+    char *pmax,
 							   NBTArguments  *nbtarg)
 {
 	NBTNsRNB	*nb;
@@ -397,7 +397,7 @@ typedef struct {
 } NBTNsResourceA;
 
 static u_char *
-AliasHandleResourceA( 
+AliasHandleResourceA(
     NBTNsResource *q,
     char *pmax,
 						 	  NBTArguments  *nbtarg)
@@ -454,8 +454,8 @@ typedef struct {
 } NBTNsResourceNULL;
 
 static u_char *
-AliasHandleResourceNULL( 
-    NBTNsResource *q, 
+AliasHandleResourceNULL(
+    NBTNsResource *q,
     char *pmax,
 						 	     NBTArguments  *nbtarg)
 {
@@ -487,7 +487,7 @@ AliasHandleResourceNULL(
 }
 
 static u_char *
-AliasHandleResourceNS( 
+AliasHandleResourceNS(
     NBTNsResource *q,
     char *pmax,
 						 	     NBTArguments  *nbtarg)
@@ -543,10 +543,10 @@ AliasHandleResourceNBSTAT(
 
 static u_char *
 AliasHandleResource(
-    u_short count, 
+    u_short count,
 							NBTNsResource *q,
     char *pmax,
-    NBTArguments  
+    NBTArguments
     *nbtarg)
 {
 	while ( count != 0 ) {
@@ -562,45 +562,45 @@ AliasHandleResource(
 		/* Type and Class filed */
 		switch ( ntohs(q->type) ) {
 			case RR_TYPE_NB:
-				q = (NBTNsResource *)AliasHandleResourceNB( 
+				q = (NBTNsResource *)AliasHandleResourceNB(
 				    q,
 				    pmax,
-				    nbtarg 
+				    nbtarg
 				);
 				break;
-			case RR_TYPE_A: 
-				q = (NBTNsResource *)AliasHandleResourceA( 
-				    q, 
-				    pmax, 
+			case RR_TYPE_A:
+				q = (NBTNsResource *)AliasHandleResourceA(
+				    q,
+				    pmax,
 				    nbtarg
 				);
 				break;
 			case RR_TYPE_NS:
-				q = (NBTNsResource *)AliasHandleResourceNS( 
+				q = (NBTNsResource *)AliasHandleResourceNS(
 				    q,
-				    pmax, 
-				    nbtarg 
+				    pmax,
+				    nbtarg
 				);
 				break;
 			case RR_TYPE_NULL:
-				q = (NBTNsResource *)AliasHandleResourceNULL( 
-				    q, 
-				    pmax, 
-				    nbtarg 
+				q = (NBTNsResource *)AliasHandleResourceNULL(
+				    q,
+				    pmax,
+				    nbtarg
 				);
 				break;
 			case RR_TYPE_NBSTAT:
 				q = (NBTNsResource *)AliasHandleResourceNBSTAT(
 				    q,
-				    pmax, 
+				    pmax,
 				    nbtarg
 				);
 				break;
-			default: 
+			default:
 #ifdef DEBUG
 				printf(
-				    "\nUnknown Type of Resource %0x\n", 
-				    ntohs(q->type) 
+				    "\nUnknown Type of Resource %0x\n",
+				    ntohs(q->type)
 				);
 #endif
 				break;
@@ -625,7 +625,7 @@ int AliasHandleUdpNbtNS(
 	char		*pmax;
 	NBTArguments    nbtarg;
 
-	/* Set up Common Parameter */	
+	/* Set up Common Parameter */
 	nbtarg.oldaddr	=	*alias_address;
 	nbtarg.oldport	=	*alias_port;
 	nbtarg.newaddr	=	*original_address;
@@ -643,7 +643,7 @@ int AliasHandleUdpNbtNS(
 
 #ifdef DEBUG
     printf(" [%s] ID=%02x, op=%01x, flag=%02x, rcode=%01x, qd=%04x"
-	   ", an=%04x, ns=%04x, ar=%04x, [%d]-->", 
+	   ", an=%04x, ns=%04x, ar=%04x, [%d]-->",
 		nsh->dir ? "Response": "Request",
 		nsh->nametrid,
 		nsh->opcode,
@@ -662,8 +662,8 @@ int AliasHandleUdpNbtNS(
 	p = AliasHandleQuestion(
 	    ntohs(nsh->qdcount),
 	    (NBTNsQuestion *)p,
-	    pmax, 
-	    &nbtarg 
+	    pmax,
+	    &nbtarg
 	);
 	}
 
@@ -672,18 +672,18 @@ int AliasHandleUdpNbtNS(
 	p = AliasHandleResource(
 	    ntohs(nsh->ancount),
 	    (NBTNsResource *)p,
-	    pmax, 
-	    &nbtarg 
+	    pmax,
+	    &nbtarg
 	);
 	}
 
 	/* Authority Resource Recodrs */
 	if (ntohs(nsh->nscount) !=0 ) {
 	p = AliasHandleResource(
-	    ntohs(nsh->nscount), 
+	    ntohs(nsh->nscount),
 	    (NBTNsResource *)p,
-	    pmax, 
-	    &nbtarg 
+	    pmax,
+	    &nbtarg
 	);
 	}
 
@@ -692,8 +692,8 @@ int AliasHandleUdpNbtNS(
 	p = AliasHandleResource(
 	    ntohs(nsh->arcount),
 	    (NBTNsResource *)p,
-	    pmax, 
-	    &nbtarg 
+	    pmax,
+	    &nbtarg
 	);
 	}
 
diff --git a/lib/libalias/alias_proxy.c b/lib/libalias/alias_proxy.c
index 3bd007c..6c95ea9 100644
--- a/lib/libalias/alias_proxy.c
+++ b/lib/libalias/alias_proxy.c
@@ -39,7 +39,7 @@ __FBSDID("$FreeBSD$");
     presently supported: addition of a [DEST addr port] string at the
     beginning a of tcp stream, or inclusion of an optional field
     in the IP header.
-    
+
     There is one public API function:
 
         PacketAliasProxyRule()    -- Adds and deletes proxy
@@ -301,7 +301,7 @@ ProxyEncodeTcpStream(struct alias_link *link,
 /* Translate destination address and port to string form */
     snprintf(buffer, sizeof(buffer) - 2, "[DEST %s %d]",
         inet_ntoa(GetProxyAddress (link)), (u_int) ntohs(GetProxyPort (link)));
-    
+
 /* Pad string out to a multiple of two in length */
     slen = strlen(buffer);
     switch (slen % 2)
@@ -663,7 +663,7 @@ PacketAliasProxyRule(const char *cmd)
                 else
                 {
                     *p = ' ';
-                
+
                     n = sscanf(token, "%s %s", s, str_server_port);
                     if (n != 2)
                         return -1;
@@ -753,7 +753,7 @@ PacketAliasProxyRule(const char *cmd)
                     src_addr = addr;
                     src_mask = mask;
                 }
-                else 
+                else
                 {
                     dst_addr = addr;
                     dst_mask = mask;
@@ -799,7 +799,7 @@ PacketAliasProxyRule(const char *cmd)
     }
 
     if (strlen(str_server_port) != 0)
-    { 
+    {
         int err;
 
         err = IpPort(str_server_port, proto, &server_port);
diff --git a/lib/libalias/alias_smedia.c b/lib/libalias/alias_smedia.c
index 027a724..a3ba7ae 100644
--- a/lib/libalias/alias_smedia.c
+++ b/lib/libalias/alias_smedia.c
@@ -70,17 +70,17 @@ __FBSDID("$FreeBSD$");
    Alias_smedia.c is meant to contain the aliasing code for streaming media
    protocols.  It performs special processing for RSTP sessions under TCP.
    Specifically, when a SETUP request is sent by a client, or a 200 reply
-   is sent by a server, it is intercepted and modified.  The address is  
+   is sent by a server, it is intercepted and modified.  The address is
    changed to the gateway machine and an aliasing port is used.
 
-   More specifically, the "client_port" configuration parameter is 
-   parsed for SETUP requests.  The "server_port" configuration parameter is 
+   More specifically, the "client_port" configuration parameter is
+   parsed for SETUP requests.  The "server_port" configuration parameter is
    parsed for 200 replies eminating from a server.  This is intended to handle
    the unicast case.
 
    RTSP also allows a redirection of a stream to another client by using the
    "destination" configuration parameter.  The destination config parm would
-   indicate a different IP address.  This function is NOT supported by the 
+   indicate a different IP address.  This function is NOT supported by the
    RTSP translation code below.
 
    The RTSP multicast functions without any address translation intervention.
@@ -95,7 +95,7 @@ __FBSDID("$FreeBSD$");
    changes of sequence and acknowledgment numbers, since the client
    machine is totally unaware of the modification to the TCP stream.
 
-   Initial version:  May, 2000 (eds)  
+   Initial version:  May, 2000 (eds)
 */
 
 #include <stdio.h>
@@ -109,8 +109,8 @@ __FBSDID("$FreeBSD$");
 
 #include "alias_local.h"
 
-#define RTSP_CONTROL_PORT_NUMBER_1 554 
-#define RTSP_CONTROL_PORT_NUMBER_2 7070 
+#define RTSP_CONTROL_PORT_NUMBER_1 554
+#define RTSP_CONTROL_PORT_NUMBER_2 7070
 #define RTSP_PORT_GROUP            2
 
 #define ISDIGIT(a) (((a) >= '0') && ((a) <= '9'))
@@ -152,7 +152,7 @@ alias_rtsp_out(struct ip *pip,
     char    newdata[2048], *port_data, *port_newdata, stemp[80];
     int     links_created = 0, pkt_updated = 0;
     struct alias_link *rtsp_link = NULL;
-    struct in_addr null_addr; 
+    struct in_addr null_addr;
 
     /* Calculate data length of TCP packet */
     tc = (struct tcphdr *) ((char *) pip + (pip->ip_hl << 2));
@@ -217,15 +217,15 @@ alias_rtsp_out(struct ip *pip,
 
 		if (!links_created) {
 
-	  	  links_created = 1; 
+	  	  links_created = 1;
 		  /* Find an even numbered port number base that
 		     satisfies the contiguous number of ports we need  */
 		  null_addr.s_addr = 0;
 		  if (0 == (salias = FindNewPortGroup(null_addr,
 	       			    FindAliasAddress(pip->ip_src),
-				    sport, 0, 
-				    RTSP_PORT_GROUP, 
-				    IPPROTO_UDP, 1))) {  
+				    sport, 0,
+				    RTSP_PORT_GROUP,
+				    IPPROTO_UDP, 1))) {
 #ifdef DEBUG
 		    fprintf(stderr,
 		    "PacketAlias/RTSP: Cannot find contiguous RTSP data ports\n");
@@ -361,7 +361,7 @@ alias_pna_out(struct ip *pip,
 	}
 	work += ntohs(msg_len);
     }
-    
+
     return 0;
 }
 
@@ -385,8 +385,8 @@ AliasHandleRtspOut(struct ip *pip, struct alias_link *link, int maxpacketsize)
     data += hlen;
 
     /* When aliasing a client, check for the SETUP request */
-    if ((ntohs(tc->th_dport) == RTSP_CONTROL_PORT_NUMBER_1) || 
-      (ntohs(tc->th_dport) == RTSP_CONTROL_PORT_NUMBER_2)) { 
+    if ((ntohs(tc->th_dport) == RTSP_CONTROL_PORT_NUMBER_1) ||
+      (ntohs(tc->th_dport) == RTSP_CONTROL_PORT_NUMBER_2)) {
 
       if (dlen >= strlen(setup)) {
         if (memcmp(data, setup, strlen(setup)) == 0) {
@@ -407,23 +407,23 @@ AliasHandleRtspOut(struct ip *pip, struct alias_link *link, int maxpacketsize)
 
       if (dlen >= strlen(str200)) {
 
-        for (parseOk = 0, i = 0;         
-             i <= dlen - strlen(str200);          
+        for (parseOk = 0, i = 0;
+             i <= dlen - strlen(str200);
              i++) {
-          if (memcmp(&data[i], str200, strlen(str200)) == 0) { 
-            parseOk = 1; 
+          if (memcmp(&data[i], str200, strlen(str200)) == 0) {
+            parseOk = 1;
             break;
           }
         }
-        if (parseOk) { 
+        if (parseOk) {
 
-          i += strlen(str200);        /* skip string found */ 
+          i += strlen(str200);        /* skip string found */
           while(data[i] == ' ')       /* skip blank(s) */
 	    i++;
-	
+
           if ((dlen - i) >= strlen(okstr)) {
 
-            if (memcmp(&data[i], okstr, strlen(okstr)) == 0) 
+            if (memcmp(&data[i], okstr, strlen(okstr)) == 0)
               alias_rtsp_out(pip, link, data, server_port_str);
 
           }
diff --git a/lib/libalias/alias_util.c b/lib/libalias/alias_util.c
index 787c859..d6b40a2 100644
--- a/lib/libalias/alias_util.c
+++ b/lib/libalias/alias_util.c
@@ -49,7 +49,7 @@ been zeroed out.  If the checksum word is filled with the proper value,
 then these routines will give a result of zero (useful for testing
 purposes);
 */
-    
+
 #include <sys/types.h>
 #include <netinet/in_systm.h>
 #include <netinet/in.h>
@@ -90,7 +90,7 @@ IpChecksum(struct ip *pip)
 
 }
 
-u_short 
+u_short
 TcpChecksum(struct ip *pip)
 {
     u_short *ptr;
@@ -103,7 +103,7 @@ TcpChecksum(struct ip *pip)
 
     tc = (struct tcphdr *) ((char *) pip + nhdr);
     ptr = (u_short *) tc;
-    
+
 /* Add up TCP header and data */
     nbytes = ntcp;
     sum = 0;