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Add some const-cleanliness and avoid some warnings.

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This commit is contained in:
Brian Somers 1999-03-24 20:30:48 +00:00
parent 5d8ee958b3
commit 902cb50a76
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=45011
1 changed files with 43 additions and 43 deletions
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86
sbin/natd/natd.c
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@ -9,7 +9,7 @@
*
* Ari Suutari <suutari@iki.fi>
*
* $Id: natd.c,v 1.11 1999/03/11 09:24:52 brian Exp $
* $Id: natd.c,v 1.12 1999/03/24 20:30:20 brian Exp $
*/
#define SYSLOG_NAMES
@ -75,26 +75,26 @@ typedef u_long port_range;
*/
static void DoAliasing (int fd, int direction);
static void DaemonMode ();
static void DaemonMode (void);
static void HandleRoutingInfo (int fd);
static void Usage ();
static void Usage (void);
static char* FormatPacket (struct ip*);
static void PrintPacket (struct ip*);
static void SyslogPacket (struct ip*, int priority, char *label);
static void SyslogPacket (struct ip*, int priority, const char *label);
static void SetAliasAddressFromIfName (char* ifName);
static void InitiateShutdown ();
static void Shutdown ();
static void RefreshAddr ();
static void ParseOption (char* option, char* parms, int cmdLine);
static void ReadConfigFile (char* fileName);
static void SetupPortRedirect (char* parms);
static void SetupAddressRedirect (char* parms);
static void SetupPptpAlias (char* parms);
static void StrToAddr (char* str, struct in_addr* addr);
static u_short StrToPort (char* str, char* proto);
static int StrToPortRange (char* str, char* proto, port_range *portRange);
static int StrToProto (char* str);
static int StrToAddrAndPortRange (char* str, struct in_addr* addr, char* proto, port_range *portRange);
static void InitiateShutdown (int);
static void Shutdown (int);
static void RefreshAddr (int);
static void ParseOption (const char* option, const char* parms, int cmdLine);
static void ReadConfigFile (const char* fileName);
static void SetupPortRedirect (const char* parms);
static void SetupAddressRedirect (const char* parms);
static void SetupPptpAlias (const char* parms);
static void StrToAddr (const char* str, struct in_addr* addr);
static u_short StrToPort (const char* str, const char* proto);
static int StrToPortRange (const char* str, const char* proto, port_range *portRange);
static int StrToProto (const char* str);
static int StrToAddrAndPortRange (const char* str, struct in_addr* addr, char* proto, port_range *portRange);
static void ParseArgs (int argc, char** argv);
static void FlushPacketBuffer (int fd);
@ -641,7 +641,7 @@ static void PrintPacket (struct ip* ip)
printf ("%s", FormatPacket (ip));
}
static void SyslogPacket (struct ip* ip, int priority, char *label)
static void SyslogPacket (struct ip* ip, int priority, const char *label)
{
syslog (priority, "%s %s", label, FormatPacket (ip));
}
@ -694,7 +694,7 @@ static char* FormatPacket (struct ip* ip)
return buf;
}
static void SetAliasAddressFromIfName (char* ifName)
static void SetAliasAddressFromIfName (char* ifn)
{
struct ifconf cf;
struct ifreq buf[32];
@ -742,7 +742,7 @@ static void SetAliasAddressFromIfName (char* ifName)
while (bytes) {
if (ifPtr->ifr_addr.sa_family == AF_INET &&
!strcmp (ifPtr->ifr_name, ifName)) {
!strcmp (ifPtr->ifr_name, ifn)) {
found = 1;
break;
@ -764,13 +764,13 @@ static void SetAliasAddressFromIfName (char* ifName)
if (!found) {
close (helperSock);
sprintf (msg, "Unknown interface name %s.\n", ifName);
sprintf (msg, "Unknown interface name %s.\n", ifn);
Quit (msg);
}
/*
* Get MTU size.
*/
strcpy (req.ifr_name, ifName);
strcpy (req.ifr_name, ifn);
if (ioctl (helperSock, SIOCGIFMTU, &req) == -1)
Quit ("Cannot get interface mtu size.");
@ -791,13 +791,13 @@ static void SetAliasAddressFromIfName (char* ifName)
close (helperSock);
}
void Quit (char* msg)
void Quit (const char* msg)
{
Warn (msg);
exit (1);
}
void Warn (char* msg)
void Warn (const char* msg)
{
if (background)
syslog (LOG_ALERT, "%s (%m)", msg);
@ -805,14 +805,14 @@ void Warn (char* msg)
warn (msg);
}
static void RefreshAddr ()
static void RefreshAddr (int sig)
{
signal (SIGHUP, RefreshAddr);
if (ifName)
assignAliasAddr = 1;
}
static void InitiateShutdown ()
static void InitiateShutdown (int sig)
{
/*
* Start timer to allow kernel gracefully
@ -823,7 +823,7 @@ static void InitiateShutdown ()
alarm (10);
}
static void Shutdown ()
static void Shutdown (int sig)
{
running = 0;
}
@ -870,10 +870,10 @@ struct OptionInfo {
enum Option type;
int packetAliasOpt;
enum Param parm;
char* parmDescription;
char* description;
char* name;
char* shortName;
const char* parmDescription;
const char* description;
const char* name;
const char* shortName;
};
/*
@ -1054,7 +1054,7 @@ static struct OptionInfo optionTable[] = {
};
static void ParseOption (char* option, char* parms, int cmdLine)
static void ParseOption (const char* option, const char* parms, int cmdLine)
{
int i;
struct OptionInfo* info;
@ -1062,7 +1062,7 @@ static void ParseOption (char* option, char* parms, int cmdLine)
int aliasValue;
int numValue;
u_short uNumValue;
char* strValue;
const char* strValue;
struct in_addr addrValue;
int max;
char* end;
@ -1121,7 +1121,7 @@ static void ParseOption (char* option, char* parms, int cmdLine)
if (parms)
numValue = strtol (parms, &end, 10);
else
end = parms;
end = NULL;
if (end == parms)
errx (1, "%s needs numeric parameter", option);
@ -1231,7 +1231,7 @@ static void ParseOption (char* option, char* parms, int cmdLine)
}
}
void ReadConfigFile (char* fileName)
void ReadConfigFile (const char* fileName)
{
FILE* file;
char buf[128];
@ -1312,7 +1312,7 @@ static void Usage ()
exit (1);
}
void SetupPptpAlias (char* parms)
void SetupPptpAlias (const char* parms)
{
char buf[128];
char* ptr;
@ -1331,7 +1331,7 @@ void SetupPptpAlias (char* parms)
PacketAliasPptp (srcAddr);
}
void SetupPortRedirect (char* parms)
void SetupPortRedirect (const char* parms)
{
char buf[128];
char* ptr;
@ -1443,7 +1443,7 @@ void SetupPortRedirect (char* parms)
}
}
void SetupAddressRedirect (char* parms)
void SetupAddressRedirect (const char* parms)
{
char buf[128];
char* ptr;
@ -1470,7 +1470,7 @@ void SetupAddressRedirect (char* parms)
PacketAliasRedirectAddr (localAddr, publicAddr);
}
void StrToAddr (char* str, struct in_addr* addr)
void StrToAddr (const char* str, struct in_addr* addr)
{
struct hostent* hp;
@ -1484,7 +1484,7 @@ void StrToAddr (char* str, struct in_addr* addr)
memcpy (addr, hp->h_addr, sizeof (struct in_addr));
}
u_short StrToPort (char* str, char* proto)
u_short StrToPort (const char* str, const char* proto)
{
u_short port;
struct servent* sp;
@ -1501,7 +1501,7 @@ u_short StrToPort (char* str, char* proto)
return sp->s_port;
}
int StrToPortRange (char* str, char* proto, port_range *portRange)
int StrToPortRange (const char* str, const char* proto, port_range *portRange)
{
char* sep;
struct servent* sp;
@ -1545,7 +1545,7 @@ int StrToPortRange (char* str, char* proto, port_range *portRange)
}
int StrToProto (char* str)
int StrToProto (const char* str)
{
if (!strcmp (str, "tcp"))
return IPPROTO_TCP;
@ -1556,7 +1556,7 @@ int StrToProto (char* str)
errx (1, "unknown protocol %s. Expected tcp or udp", str);
}
int StrToAddrAndPortRange (char* str, struct in_addr* addr, char* proto, port_range *portRange)
int StrToAddrAndPortRange (const char* str, struct in_addr* addr, char* proto, port_range *portRange)
{
char* ptr;