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New CIDR type and fixed INET type, from D'Arcy.
This commit is contained in:
Bruce Momjian
parent
56f96f56df
commit
858a3b570a
@ -1,9 +1,9 @@
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/*
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* PostgreSQL type definitions for the INET type. This
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* PostgreSQL type definitions for the INET type. This
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* is for IP V4 CIDR notation, but prepared for V6: just
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* add the necessary bits where the comments indicate.
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*
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* $Id: inet.c,v 1.8 1998/10/21 04:25:25 momjian Exp $
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* $Id: inet.c,v 1.9 1998/10/21 16:06:45 momjian Exp $
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* Jon Postel RIP 16 Oct 1998
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*/
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@ -22,7 +22,7 @@
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#include <utils/builtins.h>
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#include <utils/inet.h>
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static int v4bitncmp(unsigned int a1, unsigned int a2, int bits);
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static int v4bitncmp(unsigned int a1, unsigned int a2, int bits);
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/*
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* Access macros. Add IPV6 support.
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@ -37,11 +37,14 @@ static int v4bitncmp(unsigned int a1, unsigned int a2, int bits);
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#define ip_bits(inetptr) \
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(((inet_struct *)VARDATA(inetptr))->bits)
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#define ip_type(inetptr) \
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(((inet_struct *)VARDATA(inetptr))->type)
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#define ip_v4addr(inetptr) \
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(((inet_struct *)VARDATA(inetptr))->addr.ipv4_addr)
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/*
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* IP address reader.
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* INET address reader.
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*/
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inet *
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@ -70,11 +73,12 @@ inet_in(char *src)
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+ ((char *) &ip_v4addr(dst) - (char *) VARDATA(dst))
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+ ip_addrsize(dst);
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ip_bits(dst) = bits;
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ip_type(dst) = 0;
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return (dst);
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}
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/*
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* IP address output function.
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* INET address output function.
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*/
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char *
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@ -99,6 +103,8 @@ inet_out(inet *src)
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elog(ERROR, "unknown address family (%d)", ip_family(src));
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return (NULL);
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}
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if (ip_type(src) == 0 && ip_bits(src) == 32 && (dst = strchr(tmp, '/')) != NULL)
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*dst = 0;
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dst = palloc(strlen(tmp) + 1);
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if (dst == NULL)
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{
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@ -109,6 +115,39 @@ inet_out(inet *src)
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return (dst);
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}
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/*
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* CIDR uses all of INET's funcs, just has a separate input func.
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*/
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inet *
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cidr_in(char *src)
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{
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int bits;
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inet *dst;
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dst = palloc(VARHDRSZ + sizeof(inet_struct));
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if (dst == NULL)
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{
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elog(ERROR, "unable to allocate memory in cidr_in()");
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return (NULL);
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}
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/* First, try for an IP V4 address: */
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ip_family(dst) = AF_INET;
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bits = inet_net_pton(ip_family(dst), src, &ip_v4addr(dst), ip_addrsize(dst));
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if ((bits < 0) || (bits > 32))
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{
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/* Go for an IPV6 address here, before faulting out: */
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elog(ERROR, "could not parse \"%s\"", src);
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pfree(dst);
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return (NULL);
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}
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VARSIZE(dst) = VARHDRSZ
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+ ((char *) &ip_v4addr(dst) - (char *) VARDATA(dst))
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+ ip_addrsize(dst);
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ip_bits(dst) = bits;
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return (dst);
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}
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/*
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* Boolean tests for magnitude. Add V4/V6 testing!
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*/
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@ -267,20 +306,23 @@ inet_cmp(inet *a1, inet *a2)
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}
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text *
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inet_netmask(inet *ip)
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inet_host(inet *ip)
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{
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text *ret;
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int len;
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text *ret;
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int len;
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char *ptr,
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tmp[sizeof("255.255.255.255/32")];
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if (ip_type(ip))
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{
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elog(ERROR, "CIDR type has no host part");
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return NULL;
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}
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if (ip_family(ip) == AF_INET)
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{
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/* It's an IP V4 address: */
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int addr = htonl((-1 << (32 - ip_bits(ip))) & 0xffffffff);
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/* a little wasteful by why reinvent the wheel? */
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if (inet_net_ntop(AF_INET, &addr, 32, tmp, sizeof(tmp)) < 0)
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if (inet_net_ntop(AF_INET, &ip_v4addr(ip), 32, tmp, sizeof(tmp)) < 0)
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{
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elog(ERROR, "unable to print netmask (%s)", strerror(errno));
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return (NULL);
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@ -298,7 +340,7 @@ inet_netmask(inet *ip)
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ret = palloc(len);
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if (ret == NULL)
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{
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elog(ERROR, "unable to allocate memory in inet_netmask()");
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elog(ERROR, "unable to allocate memory in inet_host()");
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return (NULL);
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}
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VARSIZE(ret) = len;
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@ -307,7 +349,7 @@ inet_netmask(inet *ip)
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}
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int4
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inet_masklen(inet *ip)
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inet_netmasklen(inet *ip)
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{
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return ip_bits(ip);
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}
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@ -315,15 +357,16 @@ inet_masklen(inet *ip)
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text *
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inet_broadcast(inet *ip)
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{
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text *ret;
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int len;
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text *ret;
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int len;
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char *ptr,
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tmp[sizeof("255.255.255.255/32")] = "Hello";
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if (ip_family(ip) == AF_INET)
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{
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/* It's an IP V4 address: */
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int addr = htonl(ntohl(ip_v4addr(ip)) | (0xffffffff >> ip_bits(ip)));
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int addr = htonl(ntohl(ip_v4addr(ip)) | (0xffffffff >> ip_bits(ip)));
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/* int addr = htonl(ip_v4addr(ip) | (0xffffffff >> ip_bits(ip))); */
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if (inet_net_ntop(AF_INET, &addr, 32, tmp, sizeof(tmp)) < 0)
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@ -352,6 +395,45 @@ inet_broadcast(inet *ip)
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return (ret);
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}
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text *
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inet_netmask(inet *ip)
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{
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text *ret;
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int len;
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char *ptr,
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tmp[sizeof("255.255.255.255/32")];
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if (ip_family(ip) == AF_INET)
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{
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/* It's an IP V4 address: */
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int addr = htonl((-1 << (32 - ip_bits(ip))) & 0xffffffff);
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if (inet_net_ntop(AF_INET, &addr, 32, tmp, sizeof(tmp)) < 0)
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{
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elog(ERROR, "unable to print netmask (%s)", strerror(errno));
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return (NULL);
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}
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}
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else
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{
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/* Go for an IPV6 address here, before faulting out: */
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elog(ERROR, "unknown address family (%d)", ip_family(ip));
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return (NULL);
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}
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if ((ptr = strchr(tmp, '/')) != NULL)
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*ptr = 0;
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len = VARHDRSZ + strlen(tmp);
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ret = palloc(len);
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if (ret == NULL)
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{
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elog(ERROR, "unable to allocate memory in inet_netmask()");
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return (NULL);
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}
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VARSIZE(ret) = len;
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strcpy(VARDATA(ret), tmp);
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return (ret);
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}
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/*
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* Bitwise comparison for V4 addresses. Add V6 implementation!
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*/
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@ -372,4 +454,3 @@ v4bitncmp(unsigned int a1, unsigned int a2, int bits)
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return (1);
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return (0);
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}
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@ -7,7 +7,7 @@
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: pg_opclass.h,v 1.13 1998/10/08 00:19:38 momjian Exp $
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* $Id: pg_opclass.h,v 1.14 1998/10/21 16:06:46 momjian Exp $
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*
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* NOTES
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* the genbki.sh script reads this file and generates .bki
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@ -111,5 +111,7 @@ DATA(insert OID = 810 ( macaddr_ops 829 ));
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DESCR("");
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DATA(insert OID = 935 ( inet_ops 869 ));
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DESCR("");
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DATA(insert OID = 652 ( inet_ops 650 ));
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DESCR("");
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#endif /* PG_OPCLASS_H */
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@ -7,7 +7,7 @@
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: pg_operator.h,v 1.40 1998/10/08 00:19:39 momjian Exp $
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* $Id: pg_operator.h,v 1.41 1998/10/21 16:06:46 momjian Exp $
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*
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* NOTES
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* the genbki.sh script reads this file and generates .bki
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@ -643,7 +643,7 @@ DATA(insert OID = 1223 ( "<=" PGUID 0 b t f 829 829 16 1225 1224 0 0 macadd
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DATA(insert OID = 1224 ( ">" PGUID 0 b t f 829 829 16 1222 1223 0 0 macaddr_gt intltsel intltjoinsel ));
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DATA(insert OID = 1225 ( ">=" PGUID 0 b t f 829 829 16 1223 1222 0 0 macaddr_ge intltsel intltjoinsel ));
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/* IP type */
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/* INET type */
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DATA(insert OID = 1201 ( "=" PGUID 0 b t t 869 869 16 1201 1202 0 0 inet_eq eqsel eqjoinsel ));
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DATA(insert OID = 1202 ( "<>" PGUID 0 b t f 869 869 16 1202 1201 0 0 inet_ne neqsel neqjoinsel ));
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DATA(insert OID = 1203 ( "<" PGUID 0 b t f 869 869 16 1205 1206 0 0 inet_lt intltsel intltjoinsel ));
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@ -655,6 +655,18 @@ DATA(insert OID = 932 ( "<<=" PGUID 0 b t f 869 869 16 934 933 0 0 in
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DATA(insert OID = 933 ( ">>" PGUID 0 b t f 869 869 16 931 932 0 0 inet_sup intltsel intltjoinsel ));
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DATA(insert OID = 934 ( ">>=" PGUID 0 b t f 869 869 16 932 931 0 0 inet_supeq intltsel intltjoinsel ));
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/* CIDR type */
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DATA(insert OID = 820 ( "=" PGUID 0 b t t 650 650 16 820 821 0 0 inet_eq eqsel eqjoinsel ));
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DATA(insert OID = 821 ( "<>" PGUID 0 b t f 650 650 16 821 820 0 0 inet_ne neqsel neqjoinsel ));
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DATA(insert OID = 822 ( "<" PGUID 0 b t f 650 650 16 824 825 0 0 inet_lt intltsel intltjoinsel ));
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DATA(insert OID = 823 ( "<=" PGUID 0 b t f 650 650 16 825 824 0 0 inet_le intltsel intltjoinsel ));
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DATA(insert OID = 824 ( ">" PGUID 0 b t f 650 650 16 822 823 0 0 inet_gt intltsel intltjoinsel ));
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DATA(insert OID = 825 ( ">=" PGUID 0 b t f 650 650 16 823 822 0 0 inet_ge intltsel intltjoinsel ));
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DATA(insert OID = 826 ( "<<" PGUID 0 b t f 650 650 16 828 1004 0 0 inet_sub intltsel intltjoinsel ));
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DATA(insert OID = 827 ( "<<=" PGUID 0 b t f 650 650 16 1004 828 0 0 inet_subeq intltsel intltjoinsel ));
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DATA(insert OID = 828 ( ">>" PGUID 0 b t f 650 650 16 826 827 0 0 inet_sup intltsel intltjoinsel ));
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DATA(insert OID = 1004 ( ">>=" PGUID 0 b t f 650 650 16 827 826 0 0 inet_supeq intltsel intltjoinsel ));
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/*
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* function prototypes
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@ -6,7 +6,7 @@
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: pg_proc.h,v 1.74 1998/10/20 23:03:19 momjian Exp $
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* $Id: pg_proc.h,v 1.75 1998/10/21 16:06:47 momjian Exp $
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*
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* NOTES
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* The script catalog/genbki.sh reads this file and generates .bki
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@ -2068,12 +2068,17 @@ DESCR("less-equal-greater");
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DATA(insert OID = 837 ( macaddr_manuf PGUID 11 f t f 1 f 25 "829" 100 0 0 100 foo bar ));
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DESCR("MAC manufacturer");
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/* for ip type support */
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/* for inet type support */
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DATA(insert OID = 910 ( inet_in PGUID 11 f t f 1 f 869 "0" 100 0 0 100 foo bar ));
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DESCR("(internal)");
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DATA(insert OID = 911 ( inet_out PGUID 11 f t f 1 f 23 "0" 100 0 0 100 foo bar ));
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DESCR("(internal)");
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/* for cidr type support */
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DATA(insert OID = 1267 ( cidr_in PGUID 11 f t f 1 f 650 "0" 100 0 0 100 foo bar ));
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DESCR("(internal)");
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/* these are used for both inet and cidr */
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DATA(insert OID = 920 ( inet_eq PGUID 11 f t f 2 f 16 "869 869" 100 0 0 100 foo bar ));
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DESCR("equal");
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DATA(insert OID = 921 ( inet_lt PGUID 11 f t f 2 f 16 "869 869" 100 0 0 100 foo bar ));
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@ -2097,12 +2102,36 @@ DESCR("is-supernet");
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DATA(insert OID = 930 ( inet_supeq PGUID 11 f t f 2 f 16 "869 869" 100 0 0 100 foo bar ));
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DESCR("is-supernet-or-equal");
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/* inet/cidr base versions */
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DATA(insert OID = 940 ( inet_netmask PGUID 11 f t f 1 f 25 "869" 100 0 0 100 foo bar ));
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DESCR("netmask of inet address");
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DATA(insert OID = 941 ( inet_masklen PGUID 11 f t f 1 f 23 "869" 100 0 0 100 foo bar ));
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DATA(insert OID = 941 ( inet_netmasklen PGUID 11 f t f 1 f 23 "869" 100 0 0 100 foo bar ));
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DESCR("netmask length");
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DATA(insert OID = 945 ( inet_broadcast PGUID 11 f t f 1 f 25 "869" 100 0 0 100 foo bar ));
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DESCR("broadcast address");
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DATA(insert OID = 682 ( inet_host PGUID 11 f t f 1 f 25 "869" 100 0 0 100 foo bar ));
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DESCR("host address");
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/* inet versions */
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DATA(insert OID = 940 ( netmask PGUID 14 f t f 1 f 25 "869" 100 0 0 100 "select inet_netmask($1)" - ));
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DESCR("netmask of address");
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DATA(insert OID = 941 ( netmasklen PGUID 14 f t f 1 f 23 "869" 100 0 0 100 "select inet_netmasklen($1)" - ));
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DESCR("netmask length");
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DATA(insert OID = 945 ( broadcast PGUID 14 f t f 1 f 25 "869" 100 0 0 100 "select inet_broadcast($1)" - ));
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DESCR("broadcast address");
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DATA(insert OID = 682 ( host PGUID 14 f t f 1 f 25 "869" 100 0 0 100 "select inet_host($1)" - ));
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DESCR("host address");
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/* cidr versions */
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DATA(insert OID = 940 ( netmask PGUID 14 f t f 1 f 25 "650" 100 0 0 100 "select inet_netmask($1)" - ));
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DESCR("netmask of address");
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DATA(insert OID = 941 ( netmasklen PGUID 14 f t f 1 f 23 "650" 100 0 0 100 "select inet_netmasklen($1)" - ));
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DESCR("netmask length");
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DATA(insert OID = 945 ( broadcast PGUID 14 f t f 1 f 25 "650" 100 0 0 100 "select inet_broadcast($1)" - ));
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DESCR("broadcast address");
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DATA(insert OID = 682 ( host PGUID 14 f t f 1 f 25 "650" 100 0 0 100 "select inet_host($1)" - ));
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DESCR("host address");
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/*
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@ -7,7 +7,7 @@
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: pg_type.h,v 1.49 1998/10/08 00:19:42 momjian Exp $
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* $Id: pg_type.h,v 1.50 1998/10/21 16:06:48 momjian Exp $
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*
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* NOTES
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* the genbki.sh script reads this file and generates .bki
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@ -301,7 +301,9 @@ DATA(insert OID = 791 ( _money PGUID -1 -1 f b t \054 0 790 array_in array
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DATA(insert OID = 829 ( macaddr PGUID 6 -1 f b t \054 0 0 macaddr_in macaddr_out macaddr_in macaddr_out i _null_ ));
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DESCR("MAC address");
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DATA(insert OID = 869 ( inet PGUID -1 -1 f b t \054 0 0 inet_in inet_out inet_in inet_out i _null_ ));
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DESCR("IP address");
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DESCR("Host address");
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DATA(insert OID = 650 ( cidr PGUID -1 -1 f b t \054 0 0 cidr_in inet_out cidr_in inet_out i _null_ ));
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DESCR("Network address");
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/* OIDS 900 - 999 */
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@ -340,6 +342,7 @@ DESCR("access control list");
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DATA(insert OID = 1034 ( _aclitem PGUID -1 -1 f b t \054 0 1033 array_in array_out array_in array_out i _null_ ));
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DATA(insert OID = 1040 ( _macaddr PGUID -1 -1 f b t \054 0 829 array_in array_out array_in array_out i _null_ ));
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DATA(insert OID = 1041 ( _inet PGUID -1 -1 f b t \054 0 869 array_in array_out array_in array_out i _null_ ));
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DATA(insert OID = 651 ( _cidr PGUID -1 -1 f b t \054 0 650 array_in array_out array_in array_out i _null_ ));
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DATA(insert OID = 1042 ( bpchar PGUID -1 -1 f b t \054 0 18 bpcharin bpcharout bpcharin bpcharout i _null_ ));
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DESCR("blank-padded characters, length specifed when created");
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#define BPCHAROID 1042
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@ -6,7 +6,7 @@
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: builtins.h,v 1.62 1998/10/20 23:03:20 momjian Exp $
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* $Id: builtins.h,v 1.63 1998/10/21 16:06:49 momjian Exp $
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*
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* NOTES
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* This should normally only be included by fmgr.h.
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@ -518,6 +518,9 @@ int inet_net_pton(int af, const char *src, void *dst, size_t size);
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char *inet_cidr_ntop(int af, const void *src, size_t len, int bits, char *dst, size_t size);
|
||||
int inet_cidr_pton(int af, const void *src, void *dst, size_t size, int *used);
|
||||
|
||||
/* cidr.c */
|
||||
inet *cidr_in(char *str);
|
||||
|
||||
/* inet.c */
|
||||
inet *inet_in(char *str);
|
||||
char *inet_out(inet * addr);
|
||||
@ -534,8 +537,9 @@ bool inet_supeq(inet * a1, inet * a2);
|
||||
int4 inet_cmp(inet * a1, inet * a2);
|
||||
|
||||
text *inet_netmask(inet * addr);
|
||||
int4 inet_masklen(inet * addr);
|
||||
int4 inet_netmasklen(inet * addr);
|
||||
text *inet_broadcast(inet * addr);
|
||||
text *inet_host(inet * addr);
|
||||
|
||||
|
||||
/* mac.c */
|
||||
|
||||
@ -6,7 +6,7 @@
|
||||
*
|
||||
* Copyright (c) 1994, Regents of the University of California
|
||||
*
|
||||
* $Id: inet.h,v 1.1 1998/10/08 00:19:45 momjian Exp $
|
||||
* $Id: inet.h,v 1.2 1998/10/21 16:06:50 momjian Exp $
|
||||
*
|
||||
*-------------------------------------------------------------------------
|
||||
*/
|
||||
@ -21,6 +21,7 @@ typedef struct
|
||||
{
|
||||
unsigned char family;
|
||||
unsigned char bits;
|
||||
unsigned char type;
|
||||
union
|
||||
{
|
||||
unsigned int ipv4_addr; /* network byte order */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user