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INET fix from D'Arcy.

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This commit is contained in:
Bruce Momjian 1998-10-21 02:48:22 +00:00
parent 30d5e18572
commit f8042120b6
1 changed files with 32 additions and 29 deletions
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61
src/backend/utils/adt/inet.c
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@ -3,7 +3,7 @@
* is for IP V4 CIDR notation, but prepared for V6: just
* add the necessary bits where the comments indicate.
*
* $Id: inet.c,v 1.6 1998/10/20 23:03:19 momjian Exp $
* $Id: inet.c,v 1.7 1998/10/21 02:48:22 momjian Exp $
*/
#include <sys/types.h>
@ -57,9 +57,7 @@ inet_in(char *src)
}
/* First, try for an IP V4 address: */
ip_family(dst) = AF_INET;
#ifdef BAD
bits = inet_net_pton(ip_family(dst), src, &ip_v4addr(dst), ip_addrsize(dst), NULL);
#endif
bits = inet_net_pton(ip_family(dst), src, &ip_v4addr(dst), ip_addrsize(dst));
if ((bits < 0) || (bits > 32))
{
/* Go for an IPV6 address here, before faulting out: */
@ -87,14 +85,12 @@ inet_out(inet *src)
if (ip_family(src) == AF_INET)
{
/* It's an IP V4 address: */
#ifdef BAD
if (inet_net_ntop(AF_INET, &ip_v4addr(src), 4, ip_bits(src),
if (inet_net_ntop(AF_INET, &ip_v4addr(src), ip_bits(src),
tmp, sizeof(tmp)) < 0)
{
elog(ERROR, "unable to print address (%s)", strerror(errno));
return (NULL);
}
#endif
}
else
{
@ -272,22 +268,22 @@ inet_cmp(inet *a1, inet *a2)
text *
inet_netmask(inet *ip)
{
char *dst,
text *ret;
int len;
char *ptr,
tmp[sizeof("255.255.255.255/32")];
if (ip_family(ip) == AF_INET)
{
/* It's an IP V4 address: */
int addr = -1 << (32 - ip_bits(ip));
int addr = htonl((-1 << (32 - ip_bits(ip))) & 0xffffffff);
/* a little wasteful by why reinvent the wheel? */
#ifdef BAD
if (inet_cidr_ntop(AF_INET, &addr, 4, -1, tmp, sizeof(tmp)) < 0)
if (inet_net_ntop(AF_INET, &addr, 32, tmp, sizeof(tmp)) < 0)
{
elog(ERROR, "unable to print netmask (%s)", strerror(errno));
return (NULL);
}
#endif
}
else
{
@ -295,15 +291,18 @@ inet_netmask(inet *ip)
elog(ERROR, "unknown address family (%d)", ip_family(ip));
return (NULL);
}
dst = palloc(strlen(tmp) + 1);
if (dst == NULL)
if ((ptr = strchr(tmp, '/')) != NULL)
*ptr = 0;
len = VARHDRSZ + strlen(tmp);
ret = palloc(len);
if (ret == NULL)
{
elog(ERROR, "unable to allocate memory in inet_netmask()");
return (NULL);
}
strcpy(dst, tmp);
return (dst);
VARSIZE(ret) = len;
strcpy(VARDATA(ret), tmp);
return (ret);
}
int4
@ -315,21 +314,22 @@ inet_masklen(inet *ip)
text *
inet_broadcast(inet *ip)
{
char *dst,
tmp[sizeof("255.255.255.255/32")];
text *ret;
int len;
char *ptr,
tmp[sizeof("255.255.255.255/32")] = "Hello";
if (ip_family(ip) == AF_INET)
{
/* It's an IP V4 address: */
int addr = ip_v4addr(ip) | ~(-1 << (32 - ip_bits(ip)));
#ifdef BAD
int addr = htonl(ntohl(ip_v4addr(ip)) | (0xffffffff >> ip_bits(ip)));
/* int addr = htonl(ip_v4addr(ip) | (0xffffffff >> ip_bits(ip))); */
if (inet_cidr_ntop(AF_INET,&addr,4,ip_bits(ip),tmp,sizeof(tmp)) < 0)
if (inet_net_ntop(AF_INET, &addr, 32, tmp, sizeof(tmp)) < 0)
{
elog(ERROR, "unable to print address (%s)", strerror(errno));
return (NULL);
}
#endif
}
else
{
@ -337,15 +337,18 @@ inet_broadcast(inet *ip)
elog(ERROR, "unknown address family (%d)", ip_family(ip));
return (NULL);
}
dst = palloc(strlen(tmp) + 1);
if (dst == NULL)
if ((ptr = strchr(tmp, '/')) != NULL)
*ptr = 0;
len = VARHDRSZ + strlen(tmp);
ret = palloc(len);
if (ret == NULL)
{
elog(ERROR, "unable to allocate memory in inet_out()");
elog(ERROR, "unable to allocate memory in inet_broadcast()");
return (NULL);
}
strcpy(dst, tmp);
return (dst);
VARSIZE(ret) = len;
strcpy(VARDATA(ret), tmp);
return (ret);
}
/*