mirror of
https://git.FreeBSD.org/src.git
synced 2025-01-06 13:09:50 +00:00
natd 1_10 => 1_11
Cosmetic style changes Use u_short for port values. Submitted by: Ari Suutari <ari@suutari.iki.fi>
This commit is contained in:
Brian Somers
parent
c55f0f1425
commit
67a886fb97
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=31660
@ -117,3 +117,8 @@
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- Ignored incoming packets are now dropped when
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deny_incoming option is set to yes.
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- Packet aliasing library upgraded to 2.4.
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* Version 1.11
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- Code cleanup work done in FreeBSD-current development merged.
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- Port numbers are now unsigned as they should always have been.
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126
sbin/natd/natd.c
126
sbin/natd/natd.c
@ -36,6 +36,7 @@
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#include <string.h>
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#include <syslog.h>
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#include <unistd.h>
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#include "natd.h"
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/*
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@ -49,26 +50,26 @@
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* Function prototypes.
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*/
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static void DoAliasing (int fd);
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static void DaemonMode ();
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static void HandleRoutingInfo (int fd);
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static void Usage ();
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static void PrintPacket (struct ip*);
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static void SetAliasAddressFromIfName (char* ifName);
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static void InitiateShutdown ();
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static void Shutdown ();
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static void RefreshAddr ();
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static void ParseOption (char* option, char* parms, int cmdLine);
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static void ReadConfigFile (char* fileName);
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static void SetupPermanentLink (char* parms);
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static void SetupPortRedirect (char* parms);
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static void SetupAddressRedirect (char* parms);
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static void StrToAddr (char* str, struct in_addr* addr);
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static int StrToPort (char* str, char* proto);
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static int StrToProto (char* str);
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static int StrToAddrAndPort (char* str, struct in_addr* addr, char* proto);
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static void ParseArgs (int argc, char** argv);
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static void FlushPacketBuffer (int fd);
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static void DoAliasing (int fd);
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static void DaemonMode ();
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static void HandleRoutingInfo (int fd);
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static void Usage ();
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static void PrintPacket (struct ip*);
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static void SetAliasAddressFromIfName (char* ifName);
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static void InitiateShutdown ();
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static void Shutdown ();
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static void RefreshAddr ();
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static void ParseOption (char* option, char* parms, int cmdLine);
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static void ReadConfigFile (char* fileName);
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static void SetupPermanentLink (char* parms);
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static void SetupPortRedirect (char* parms);
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static void SetupAddressRedirect (char* parms);
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static void StrToAddr (char* str, struct in_addr* addr);
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static u_short StrToPort (char* str, char* proto);
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static int StrToProto (char* str);
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static u_short StrToAddrAndPort (char* str, struct in_addr* addr, char* proto);
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static void ParseArgs (int argc, char** argv);
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static void FlushPacketBuffer (int fd);
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/*
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* Globals.
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@ -80,9 +81,9 @@ static int running;
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static int assignAliasAddr;
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static char* ifName;
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static int ifIndex;
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static int inPort;
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static int outPort;
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static int inOutPort;
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static u_short inPort;
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static u_short outPort;
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static u_short inOutPort;
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static struct in_addr aliasAddr;
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static int dynamicMode;
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static int ifMTU;
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@ -135,17 +136,17 @@ int main (int argc, char** argv)
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* Check that valid aliasing address has been given.
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*/
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if (aliasAddr.s_addr == INADDR_NONE && ifName == NULL)
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errx(1, "aliasing address not given");
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errx (1, "aliasing address not given");
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if (aliasAddr.s_addr != INADDR_NONE && ifName != NULL)
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errx(1,
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"both alias address and interface name are not allowed");
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errx (1, "both alias address and interface "
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"name are not allowed");
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/*
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* Check that valid port number is known.
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*/
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if (inPort != 0 || outPort != 0)
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if (inPort == 0 || outPort == 0)
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errx(1, "both input and output ports are required");
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errx (1, "both input and output ports are required");
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if (inPort == 0 && outPort == 0 && inOutPort == 0)
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ParseOption ("port", DEFAULT_SERVICE, 0);
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@ -930,6 +931,7 @@ static void ParseOption (char* option, char* parms, int cmdLine)
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int yesNoValue;
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int aliasValue;
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int numValue;
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u_short uNumValue;
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char* strValue;
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struct in_addr addrValue;
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int max;
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@ -954,6 +956,7 @@ static void ParseOption (char* option, char* parms, int cmdLine)
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Usage ();
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}
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uNumValue = 0;
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yesNoValue = 0;
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numValue = 0;
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strValue = NULL;
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@ -971,15 +974,16 @@ static void ParseOption (char* option, char* parms, int cmdLine)
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if (!strcmp (parms, "no"))
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yesNoValue = 0;
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else
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errx(1, "%s needs yes/no parameter", option);
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errx (1, "%s needs yes/no parameter", option);
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break;
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case Service:
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if (!parms)
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errx(1,
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"%s needs service name or port number parameter", option);
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errx (1, "%s needs service name or "
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"port number parameter",
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option);
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numValue = StrToPort (parms, "divert");
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uNumValue = StrToPort (parms, "divert");
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break;
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case Numeric:
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@ -989,23 +993,23 @@ static void ParseOption (char* option, char* parms, int cmdLine)
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end = parms;
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if (end == parms)
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errx(1, "%s needs numeric parameter", option);
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errx (1, "%s needs numeric parameter", option);
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break;
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case String:
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strValue = parms;
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if (!strValue)
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errx(1, "%s needs parameter", option);
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errx (1, "%s needs parameter", option);
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break;
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case None:
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if (parms)
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errx(1, "%s does not take parameters", option);
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errx (1, "%s does not take parameters", option);
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break;
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case Address:
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if (!parms)
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errx(1, "%s needs address/host parameter", option);
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errx (1, "%s needs address/host parameter", option);
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StrToAddr (parms, &addrValue);
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break;
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@ -1027,15 +1031,15 @@ static void ParseOption (char* option, char* parms, int cmdLine)
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break;
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case InPort:
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inPort = numValue;
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inPort = uNumValue;
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break;
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case OutPort:
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outPort = numValue;
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outPort = uNumValue;
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break;
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case Port:
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inOutPort = numValue;
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inOutPort = uNumValue;
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break;
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case AliasAddress:
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@ -1086,7 +1090,7 @@ void ReadConfigFile (char* fileName)
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ptr = strchr (buf, '\n');
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if (!ptr)
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errx(1, "config line too link: %s", buf);
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errx (1, "config line too long: %s", buf);
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*ptr = '\0';
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if (buf[0] == '#')
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@ -1155,9 +1159,9 @@ void SetupPermanentLink (char* parms)
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char* ptr;
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struct in_addr srcAddr;
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struct in_addr dstAddr;
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int srcPort;
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int dstPort;
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int aliasPort;
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u_short srcPort;
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u_short dstPort;
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u_short aliasPort;
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int proto;
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char* protoName;
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@ -1167,7 +1171,7 @@ void SetupPermanentLink (char* parms)
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*/
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protoName = strtok (buf, " \t");
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if (!protoName)
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errx(1, "permanent_link: missing protocol");
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errx (1, "permanent_link: missing protocol");
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proto = StrToProto (protoName);
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/*
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@ -1175,7 +1179,7 @@ void SetupPermanentLink (char* parms)
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*/
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ptr = strtok (NULL, " \t");
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if (!ptr)
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errx(1, "permanent_link: missing src address");
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errx (1, "permanent_link: missing src address");
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srcPort = StrToAddrAndPort (ptr, &srcAddr, protoName);
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/*
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@ -1183,7 +1187,7 @@ void SetupPermanentLink (char* parms)
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*/
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ptr = strtok (NULL, " \t");
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if (!ptr)
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errx(1, "permanent_link: missing dst address");
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errx (1, "permanent_link: missing dst address");
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dstPort = StrToAddrAndPort (ptr, &dstAddr, protoName);
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/*
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@ -1191,7 +1195,7 @@ void SetupPermanentLink (char* parms)
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*/
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ptr = strtok (NULL, " \t");
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if (!ptr)
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errx(1, "permanent_link: missing alias port");
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errx (1, "permanent_link: missing alias port");
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aliasPort = StrToPort (ptr, protoName);
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@ -1210,9 +1214,9 @@ void SetupPortRedirect (char* parms)
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struct in_addr localAddr;
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struct in_addr publicAddr;
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struct in_addr remoteAddr;
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int localPort;
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int publicPort;
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int remotePort;
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u_short localPort;
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u_short publicPort;
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u_short remotePort;
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int proto;
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char* protoName;
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char* separator;
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@ -1223,7 +1227,7 @@ void SetupPortRedirect (char* parms)
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*/
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protoName = strtok (buf, " \t");
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if (!protoName)
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errx(1, "redirect_port: missing protocol");
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errx (1, "redirect_port: missing protocol");
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proto = StrToProto (protoName);
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/*
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@ -1231,7 +1235,7 @@ void SetupPortRedirect (char* parms)
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*/
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ptr = strtok (NULL, " \t");
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if (!ptr)
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errx(1, "redirect_port: missing local address");
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errx (1, "redirect_port: missing local address");
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localPort = StrToAddrAndPort (ptr, &localAddr, protoName);
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/*
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@ -1239,7 +1243,7 @@ void SetupPortRedirect (char* parms)
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*/
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ptr = strtok (NULL, " \t");
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if (!ptr)
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errx(1, "redirect_port: missing public port");
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errx (1, "redirect_port: missing public port");
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separator = strchr (ptr, ':');
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if (separator)
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@ -1296,7 +1300,7 @@ void SetupAddressRedirect (char* parms)
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*/
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ptr = strtok (buf, " \t");
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if (!ptr)
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errx(1, "redirect_address: missing local address");
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errx (1, "redirect_address: missing local address");
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StrToAddr (ptr, &localAddr);
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/*
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@ -1304,7 +1308,7 @@ void SetupAddressRedirect (char* parms)
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*/
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ptr = strtok (NULL, " \t");
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if (!ptr)
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errx(1, "redirect_address: missing public address");
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errx (1, "redirect_address: missing public address");
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StrToAddr (ptr, &publicAddr);
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PacketAliasRedirectAddr (localAddr, publicAddr);
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@ -1319,14 +1323,14 @@ void StrToAddr (char* str, struct in_addr* addr)
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hp = gethostbyname (str);
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if (!hp)
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errx(1, "unknown host %s", str);
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errx (1, "unknown host %s", str);
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memcpy (addr, hp->h_addr, sizeof (struct in_addr));
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}
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int StrToPort (char* str, char* proto)
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u_short StrToPort (char* str, char* proto)
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{
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int port;
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u_short port;
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struct servent* sp;
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char* end;
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@ -1336,7 +1340,7 @@ int StrToPort (char* str, char* proto)
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sp = getservbyname (str, proto);
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if (!sp)
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errx(1, "unknown service %s/%s", str, proto);
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errx (1, "unknown service %s/%s", str, proto);
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return sp->s_port;
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}
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@ -1349,16 +1353,16 @@ int StrToProto (char* str)
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if (!strcmp (str, "udp"))
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return IPPROTO_UDP;
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errx(1, "unknown protocol %s. Expected tcp or udp", str);
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errx (1, "unknown protocol %s. Expected tcp or udp", str);
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}
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int StrToAddrAndPort (char* str, struct in_addr* addr, char* proto)
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u_short StrToAddrAndPort (char* str, struct in_addr* addr, char* proto)
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{
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char* ptr;
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ptr = strchr (str, ':');
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if (!ptr)
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errx(1, "%s is missing port number", str);
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errx (1, "%s is missing port number", str);
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*ptr = '\0';
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++ptr;
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@ -117,3 +117,8 @@
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- Ignored incoming packets are now dropped when
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deny_incoming option is set to yes.
|
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- Packet aliasing library upgraded to 2.4.
|
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|
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* Version 1.11
|
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|
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- Code cleanup work done in FreeBSD-current development merged.
|
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- Port numbers are now unsigned as they should always have been.
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@ -36,6 +36,7 @@
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#include <string.h>
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#include <syslog.h>
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#include <unistd.h>
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#include "natd.h"
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/*
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@ -49,26 +50,26 @@
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* Function prototypes.
|
||||
*/
|
||||
|
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static void DoAliasing (int fd);
|
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static void DaemonMode ();
|
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static void HandleRoutingInfo (int fd);
|
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static void Usage ();
|
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static void PrintPacket (struct ip*);
|
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static void SetAliasAddressFromIfName (char* ifName);
|
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static void InitiateShutdown ();
|
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static void Shutdown ();
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static void RefreshAddr ();
|
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static void ParseOption (char* option, char* parms, int cmdLine);
|
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static void ReadConfigFile (char* fileName);
|
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static void SetupPermanentLink (char* parms);
|
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static void SetupPortRedirect (char* parms);
|
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static void SetupAddressRedirect (char* parms);
|
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static void StrToAddr (char* str, struct in_addr* addr);
|
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static int StrToPort (char* str, char* proto);
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static int StrToProto (char* str);
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static int StrToAddrAndPort (char* str, struct in_addr* addr, char* proto);
|
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static void ParseArgs (int argc, char** argv);
|
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static void FlushPacketBuffer (int fd);
|
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static void DoAliasing (int fd);
|
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static void DaemonMode ();
|
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static void HandleRoutingInfo (int fd);
|
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static void Usage ();
|
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static void PrintPacket (struct ip*);
|
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static void SetAliasAddressFromIfName (char* ifName);
|
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static void InitiateShutdown ();
|
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static void Shutdown ();
|
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static void RefreshAddr ();
|
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static void ParseOption (char* option, char* parms, int cmdLine);
|
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static void ReadConfigFile (char* fileName);
|
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static void SetupPermanentLink (char* parms);
|
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static void SetupPortRedirect (char* parms);
|
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static void SetupAddressRedirect (char* parms);
|
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static void StrToAddr (char* str, struct in_addr* addr);
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static u_short StrToPort (char* str, char* proto);
|
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static int StrToProto (char* str);
|
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static u_short StrToAddrAndPort (char* str, struct in_addr* addr, char* proto);
|
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static void ParseArgs (int argc, char** argv);
|
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static void FlushPacketBuffer (int fd);
|
||||
|
||||
/*
|
||||
* Globals.
|
||||
@ -80,9 +81,9 @@ static int running;
|
||||
static int assignAliasAddr;
|
||||
static char* ifName;
|
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static int ifIndex;
|
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static int inPort;
|
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static int outPort;
|
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static int inOutPort;
|
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static u_short inPort;
|
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static u_short outPort;
|
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static u_short inOutPort;
|
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static struct in_addr aliasAddr;
|
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static int dynamicMode;
|
||||
static int ifMTU;
|
||||
@ -135,17 +136,17 @@ int main (int argc, char** argv)
|
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* Check that valid aliasing address has been given.
|
||||
*/
|
||||
if (aliasAddr.s_addr == INADDR_NONE && ifName == NULL)
|
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errx(1, "aliasing address not given");
|
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errx (1, "aliasing address not given");
|
||||
|
||||
if (aliasAddr.s_addr != INADDR_NONE && ifName != NULL)
|
||||
errx(1,
|
||||
"both alias address and interface name are not allowed");
|
||||
errx (1, "both alias address and interface "
|
||||
"name are not allowed");
|
||||
/*
|
||||
* Check that valid port number is known.
|
||||
*/
|
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if (inPort != 0 || outPort != 0)
|
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if (inPort == 0 || outPort == 0)
|
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errx(1, "both input and output ports are required");
|
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errx (1, "both input and output ports are required");
|
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|
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if (inPort == 0 && outPort == 0 && inOutPort == 0)
|
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ParseOption ("port", DEFAULT_SERVICE, 0);
|
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@ -930,6 +931,7 @@ static void ParseOption (char* option, char* parms, int cmdLine)
|
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int yesNoValue;
|
||||
int aliasValue;
|
||||
int numValue;
|
||||
u_short uNumValue;
|
||||
char* strValue;
|
||||
struct in_addr addrValue;
|
||||
int max;
|
||||
@ -954,6 +956,7 @@ static void ParseOption (char* option, char* parms, int cmdLine)
|
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Usage ();
|
||||
}
|
||||
|
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uNumValue = 0;
|
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yesNoValue = 0;
|
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numValue = 0;
|
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strValue = NULL;
|
||||
@ -971,15 +974,16 @@ static void ParseOption (char* option, char* parms, int cmdLine)
|
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if (!strcmp (parms, "no"))
|
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yesNoValue = 0;
|
||||
else
|
||||
errx(1, "%s needs yes/no parameter", option);
|
||||
errx (1, "%s needs yes/no parameter", option);
|
||||
break;
|
||||
|
||||
case Service:
|
||||
if (!parms)
|
||||
errx(1,
|
||||
"%s needs service name or port number parameter", option);
|
||||
errx (1, "%s needs service name or "
|
||||
"port number parameter",
|
||||
option);
|
||||
|
||||
numValue = StrToPort (parms, "divert");
|
||||
uNumValue = StrToPort (parms, "divert");
|
||||
break;
|
||||
|
||||
case Numeric:
|
||||
@ -989,23 +993,23 @@ static void ParseOption (char* option, char* parms, int cmdLine)
|
||||
end = parms;
|
||||
|
||||
if (end == parms)
|
||||
errx(1, "%s needs numeric parameter", option);
|
||||
errx (1, "%s needs numeric parameter", option);
|
||||
break;
|
||||
|
||||
case String:
|
||||
strValue = parms;
|
||||
if (!strValue)
|
||||
errx(1, "%s needs parameter", option);
|
||||
errx (1, "%s needs parameter", option);
|
||||
break;
|
||||
|
||||
case None:
|
||||
if (parms)
|
||||
errx(1, "%s does not take parameters", option);
|
||||
errx (1, "%s does not take parameters", option);
|
||||
break;
|
||||
|
||||
case Address:
|
||||
if (!parms)
|
||||
errx(1, "%s needs address/host parameter", option);
|
||||
errx (1, "%s needs address/host parameter", option);
|
||||
|
||||
StrToAddr (parms, &addrValue);
|
||||
break;
|
||||
@ -1027,15 +1031,15 @@ static void ParseOption (char* option, char* parms, int cmdLine)
|
||||
break;
|
||||
|
||||
case InPort:
|
||||
inPort = numValue;
|
||||
inPort = uNumValue;
|
||||
break;
|
||||
|
||||
case OutPort:
|
||||
outPort = numValue;
|
||||
outPort = uNumValue;
|
||||
break;
|
||||
|
||||
case Port:
|
||||
inOutPort = numValue;
|
||||
inOutPort = uNumValue;
|
||||
break;
|
||||
|
||||
case AliasAddress:
|
||||
@ -1086,7 +1090,7 @@ void ReadConfigFile (char* fileName)
|
||||
|
||||
ptr = strchr (buf, '\n');
|
||||
if (!ptr)
|
||||
errx(1, "config line too link: %s", buf);
|
||||
errx (1, "config line too long: %s", buf);
|
||||
|
||||
*ptr = '\0';
|
||||
if (buf[0] == '#')
|
||||
@ -1155,9 +1159,9 @@ void SetupPermanentLink (char* parms)
|
||||
char* ptr;
|
||||
struct in_addr srcAddr;
|
||||
struct in_addr dstAddr;
|
||||
int srcPort;
|
||||
int dstPort;
|
||||
int aliasPort;
|
||||
u_short srcPort;
|
||||
u_short dstPort;
|
||||
u_short aliasPort;
|
||||
int proto;
|
||||
char* protoName;
|
||||
|
||||
@ -1167,7 +1171,7 @@ void SetupPermanentLink (char* parms)
|
||||
*/
|
||||
protoName = strtok (buf, " \t");
|
||||
if (!protoName)
|
||||
errx(1, "permanent_link: missing protocol");
|
||||
errx (1, "permanent_link: missing protocol");
|
||||
|
||||
proto = StrToProto (protoName);
|
||||
/*
|
||||
@ -1175,7 +1179,7 @@ void SetupPermanentLink (char* parms)
|
||||
*/
|
||||
ptr = strtok (NULL, " \t");
|
||||
if (!ptr)
|
||||
errx(1, "permanent_link: missing src address");
|
||||
errx (1, "permanent_link: missing src address");
|
||||
|
||||
srcPort = StrToAddrAndPort (ptr, &srcAddr, protoName);
|
||||
/*
|
||||
@ -1183,7 +1187,7 @@ void SetupPermanentLink (char* parms)
|
||||
*/
|
||||
ptr = strtok (NULL, " \t");
|
||||
if (!ptr)
|
||||
errx(1, "permanent_link: missing dst address");
|
||||
errx (1, "permanent_link: missing dst address");
|
||||
|
||||
dstPort = StrToAddrAndPort (ptr, &dstAddr, protoName);
|
||||
/*
|
||||
@ -1191,7 +1195,7 @@ void SetupPermanentLink (char* parms)
|
||||
*/
|
||||
ptr = strtok (NULL, " \t");
|
||||
if (!ptr)
|
||||
errx(1, "permanent_link: missing alias port");
|
||||
errx (1, "permanent_link: missing alias port");
|
||||
|
||||
aliasPort = StrToPort (ptr, protoName);
|
||||
|
||||
@ -1210,9 +1214,9 @@ void SetupPortRedirect (char* parms)
|
||||
struct in_addr localAddr;
|
||||
struct in_addr publicAddr;
|
||||
struct in_addr remoteAddr;
|
||||
int localPort;
|
||||
int publicPort;
|
||||
int remotePort;
|
||||
u_short localPort;
|
||||
u_short publicPort;
|
||||
u_short remotePort;
|
||||
int proto;
|
||||
char* protoName;
|
||||
char* separator;
|
||||
@ -1223,7 +1227,7 @@ void SetupPortRedirect (char* parms)
|
||||
*/
|
||||
protoName = strtok (buf, " \t");
|
||||
if (!protoName)
|
||||
errx(1, "redirect_port: missing protocol");
|
||||
errx (1, "redirect_port: missing protocol");
|
||||
|
||||
proto = StrToProto (protoName);
|
||||
/*
|
||||
@ -1231,7 +1235,7 @@ void SetupPortRedirect (char* parms)
|
||||
*/
|
||||
ptr = strtok (NULL, " \t");
|
||||
if (!ptr)
|
||||
errx(1, "redirect_port: missing local address");
|
||||
errx (1, "redirect_port: missing local address");
|
||||
|
||||
localPort = StrToAddrAndPort (ptr, &localAddr, protoName);
|
||||
/*
|
||||
@ -1239,7 +1243,7 @@ void SetupPortRedirect (char* parms)
|
||||
*/
|
||||
ptr = strtok (NULL, " \t");
|
||||
if (!ptr)
|
||||
errx(1, "redirect_port: missing public port");
|
||||
errx (1, "redirect_port: missing public port");
|
||||
|
||||
separator = strchr (ptr, ':');
|
||||
if (separator)
|
||||
@ -1296,7 +1300,7 @@ void SetupAddressRedirect (char* parms)
|
||||
*/
|
||||
ptr = strtok (buf, " \t");
|
||||
if (!ptr)
|
||||
errx(1, "redirect_address: missing local address");
|
||||
errx (1, "redirect_address: missing local address");
|
||||
|
||||
StrToAddr (ptr, &localAddr);
|
||||
/*
|
||||
@ -1304,7 +1308,7 @@ void SetupAddressRedirect (char* parms)
|
||||
*/
|
||||
ptr = strtok (NULL, " \t");
|
||||
if (!ptr)
|
||||
errx(1, "redirect_address: missing public address");
|
||||
errx (1, "redirect_address: missing public address");
|
||||
|
||||
StrToAddr (ptr, &publicAddr);
|
||||
PacketAliasRedirectAddr (localAddr, publicAddr);
|
||||
@ -1319,14 +1323,14 @@ void StrToAddr (char* str, struct in_addr* addr)
|
||||
|
||||
hp = gethostbyname (str);
|
||||
if (!hp)
|
||||
errx(1, "unknown host %s", str);
|
||||
errx (1, "unknown host %s", str);
|
||||
|
||||
memcpy (addr, hp->h_addr, sizeof (struct in_addr));
|
||||
}
|
||||
|
||||
int StrToPort (char* str, char* proto)
|
||||
u_short StrToPort (char* str, char* proto)
|
||||
{
|
||||
int port;
|
||||
u_short port;
|
||||
struct servent* sp;
|
||||
char* end;
|
||||
|
||||
@ -1336,7 +1340,7 @@ int StrToPort (char* str, char* proto)
|
||||
|
||||
sp = getservbyname (str, proto);
|
||||
if (!sp)
|
||||
errx(1, "unknown service %s/%s", str, proto);
|
||||
errx (1, "unknown service %s/%s", str, proto);
|
||||
|
||||
return sp->s_port;
|
||||
}
|
||||
@ -1349,16 +1353,16 @@ int StrToProto (char* str)
|
||||
if (!strcmp (str, "udp"))
|
||||
return IPPROTO_UDP;
|
||||
|
||||
errx(1, "unknown protocol %s. Expected tcp or udp", str);
|
||||
errx (1, "unknown protocol %s. Expected tcp or udp", str);
|
||||
}
|
||||
|
||||
int StrToAddrAndPort (char* str, struct in_addr* addr, char* proto)
|
||||
u_short StrToAddrAndPort (char* str, struct in_addr* addr, char* proto)
|
||||
{
|
||||
char* ptr;
|
||||
|
||||
ptr = strchr (str, ':');
|
||||
if (!ptr)
|
||||
errx(1, "%s is missing port number", str);
|
||||
errx (1, "%s is missing port number", str);
|
||||
|
||||
*ptr = '\0';
|
||||
++ptr;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user