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Do proper testing of CIDR bits against network mask, e.g. don't allow:

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test=# select '204.248.199.1/31'::cidr;

Previous releases erroneously accepted such addresses.

WARN IN RELEASE NOTES

Kevin Brintnall
This commit is contained in:
Bruce Momjian
2004-10-08 01:10:31 +00:00
parent 050beacc6e
commit f4f6caa9b0
1 changed files with 2 additions and 2 deletions
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4
src/backend/utils/adt/network.c
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@ -1,7 +1,7 @@
/* /*
* PostgreSQL type definitions for the INET and CIDR types. * PostgreSQL type definitions for the INET and CIDR types.
* *
* $PostgreSQL: pgsql/src/backend/utils/adt/network.c,v 1.53 2004/08/29 05:06:49 momjian Exp $ * $PostgreSQL: pgsql/src/backend/utils/adt/network.c,v 1.54 2004/10/08 01:10:31 momjian Exp $
* *
* Jon Postel RIP 16 Oct 1998 * Jon Postel RIP 16 Oct 1998
*/ */
@ -942,7 +942,7 @@ addressOK(unsigned char *a, int bits, int family)
if (bits == maxbits) if (bits == maxbits)
return true; return true;
byte = (bits + 7) / 8; byte = bits / 8;
nbits = bits % 8; nbits = bits % 8;
mask = 0xff; mask = 0xff;
if (bits != 0) if (bits != 0)