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Here is a patch that allows CIDR netmasks in pg_hba.conf. It allows two

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address/mask forms:

. address/maskbits, or
. address netmask (as now)

If the patch is accepted I will submit a documentation patch to cover
it.

This is submitted by agreement with Kurt Roeckx, who has worked on a
patch that covers this and other IPv6 issues.

Andrew Dunstan
This commit is contained in:
Bruce Momjian
2003-06-12 02:12:58 +00:00
parent 310c084921
commit b78961b0da
3 changed files with 91 additions and 13 deletions
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45
src/backend/libpq/hba.c
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@@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/libpq/hba.c,v 1.100 2003/04/25 01:24:00 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/libpq/hba.c,v 1.101 2003/06/12 02:12:58 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -588,6 +588,7 @@ parse_hba(List *line, hbaPort *port, bool *found_p, bool *error_p)
else if (strcmp(token, "host") == 0 || strcmp(token, "hostssl") == 0)
{
SockAddr file_ip_addr, mask;
char * cidr_slash;
if (strcmp(token, "hostssl") == 0)
{
@@ -618,26 +619,48 @@ parse_hba(List *line, hbaPort *port, bool *found_p, bool *error_p)
goto hba_syntax;
user = lfirst(line);
/* Read the IP address field. */
/* Read the IP address field. (with or without CIDR netmask) */
line = lnext(line);
if (!line)
goto hba_syntax;
token = lfirst(line);
/* Check if it has a CIDR suffix and if so isolate it */
cidr_slash = strchr(token,'/');
if (cidr_slash)
*cidr_slash = '\0';
/* Get the IP address either way */
if(SockAddr_pton(&file_ip_addr, token) < 0)
{
if (cidr_slash)
*cidr_slash = '/';
goto hba_syntax;
}
/* Read the mask field. */
line = lnext(line);
if (!line)
goto hba_syntax;
token = lfirst(line);
/* Get the netmask */
if (cidr_slash)
{
*cidr_slash = '/';
if (SockAddr_cidr_mask(&mask, ++cidr_slash, file_ip_addr.sa.sa_family) < 0)
goto hba_syntax;
}
else
{
/* Read the mask field. */
line = lnext(line);
if (!line)
goto hba_syntax;
token = lfirst(line);
if(SockAddr_pton(&mask, token) < 0)
goto hba_syntax;
if(file_ip_addr.sa.sa_family != mask.sa.sa_family)
goto hba_syntax;
}
if(SockAddr_pton(&mask, token) < 0)
goto hba_syntax;
if(file_ip_addr.sa.sa_family != mask.sa.sa_family)
goto hba_syntax;
/* Read the rest of the line. */
line = lnext(line);