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Use strdup() instead of static buffer allocation to avoid 128 bytes limit

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on -redirect_XXX arguments length.

PR:		bin/86647
Submitted by:	Stephen Hurd <shurd@sasktel.net>
This commit is contained in:
Alexander Motin 2008-06-22 21:22:25 +00:00
parent 1a0046f73b
commit b6365f959c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=179935
1 changed files with 18 additions and 6 deletions
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24
sbin/natd/natd.c
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@ -1564,7 +1564,7 @@ static void Usage ()
void SetupPortRedirect (const char* parms)
{
char buf[128];
char *buf;
char* ptr;
char* serverPool;
struct in_addr localAddr;
@ -1583,7 +1583,9 @@ void SetupPortRedirect (const char* parms)
int i;
struct alias_link *aliaslink = NULL;
strlcpy (buf, parms, sizeof(buf));
buf = strdup (parms);
if (!buf)
errx (1, "redirect_port: strdup() failed");
/*
* Extract protocol.
*/
@ -1700,12 +1702,14 @@ void SetupPortRedirect (const char* parms)
ptr = strtok(NULL, ",");
}
}
free (buf);
}
void
SetupProtoRedirect(const char* parms)
{
char buf[128];
char *buf;
char* ptr;
struct in_addr localAddr;
struct in_addr publicAddr;
@ -1714,7 +1718,9 @@ SetupProtoRedirect(const char* parms)
char* protoName;
struct protoent *protoent;
strlcpy (buf, parms, sizeof(buf));
buf = strdup (parms);
if (!buf)
errx (1, "redirect_port: strdup() failed");
/*
* Extract protocol.
*/
@ -1756,11 +1762,13 @@ SetupProtoRedirect(const char* parms)
*/
(void)LibAliasRedirectProto(mla, localAddr, remoteAddr, publicAddr,
proto);
free (buf);
}
void SetupAddressRedirect (const char* parms)
{
char buf[128];
char *buf;
char* ptr;
char* separator;
struct in_addr localAddr;
@ -1768,7 +1776,9 @@ void SetupAddressRedirect (const char* parms)
char* serverPool;
struct alias_link *aliaslink;
strlcpy (buf, parms, sizeof(buf));
buf = strdup (parms);
if (!buf)
errx (1, "redirect_port: strdup() failed");
/*
* Extract local address.
*/
@ -1805,6 +1815,8 @@ void SetupAddressRedirect (const char* parms)
ptr = strtok(NULL, ",");
}
}
free (buf);
}
void StrToAddr (const char* str, struct in_addr* addr)