Fix parsing of LDAP URLs so it doesn't reject spaces in the "suffix" part.

Per report from César Miguel Oliveira Alves.
This commit is contained in:
Tom Lane 2008-07-24 17:51:55 +00:00
parent e76ef8d581
commit 94be06af76
1 changed files with 12 additions and 6 deletions

View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/libpq/auth.c,v 1.164 2008/02/08 17:58:46 tgl Exp $
* $PostgreSQL: pgsql/src/backend/libpq/auth.c,v 1.165 2008/07/24 17:51:55 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1399,8 +1399,14 @@ CheckLDAPAuth(Port *port)
}
/*
* Crack the LDAP url. We do a very trivial parse..
* Crack the LDAP url. We do a very trivial parse:
*
* ldap[s]://<server>[:<port>]/<basedn>[;prefix[;suffix]]
*
* This code originally used "%127s" for the suffix, but that doesn't
* work for embedded whitespace. We know that tokens formed by
* hba.c won't include newlines, so we can use a "not newline" scanset
* instead.
*/
server[0] = '\0';
@ -1410,13 +1416,13 @@ CheckLDAPAuth(Port *port)
/* ldap, including port number */
r = sscanf(port->auth_arg,
"ldap://%127[^:]:%d/%127[^;];%127[^;];%127s",
"ldap://%127[^:]:%d/%127[^;];%127[^;];%127[^\n]",
server, &ldapport, basedn, prefix, suffix);
if (r < 3)
{
/* ldaps, including port number */
r = sscanf(port->auth_arg,
"ldaps://%127[^:]:%d/%127[^;];%127[^;];%127s",
"ldaps://%127[^:]:%d/%127[^;];%127[^;];%127[^\n]",
server, &ldapport, basedn, prefix, suffix);
if (r >= 3)
ssl = true;
@ -1425,14 +1431,14 @@ CheckLDAPAuth(Port *port)
{
/* ldap, no port number */
r = sscanf(port->auth_arg,
"ldap://%127[^/]/%127[^;];%127[^;];%127s",
"ldap://%127[^/]/%127[^;];%127[^;];%127[^\n]",
server, basedn, prefix, suffix);
}
if (r < 2)
{
/* ldaps, no port number */
r = sscanf(port->auth_arg,
"ldaps://%127[^/]/%127[^;];%127[^;];%127s",
"ldaps://%127[^/]/%127[^;];%127[^;];%127[^\n]",
server, basedn, prefix, suffix);
if (r >= 2)
ssl = true;