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Dept. of third thoughts: in fact, libpq should support SCM_CREDS challenge 

even when HAVE_GETPEEREID is defined, else it will be unable to connect to
pre-7.4 backends that are using IDENT authentication.
This commit is contained in:
Tom Lane 2003-12-20 18:45:49 +00:00
parent b8f2980209
commit fb8ac3fcb6
1 changed files with 6 additions and 7 deletions
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13
src/interfaces/libpq/fe-auth.c
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@ -10,7 +10,7 @@
* exceed INITIAL_EXPBUFFER_SIZE (currently 256 bytes).
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/interfaces/libpq/fe-auth.c,v 1.87 2003/12/20 18:24:52 tgl Exp $
* $PostgreSQL: pgsql/src/interfaces/libpq/fe-auth.c,v 1.88 2003/12/20 18:45:49 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -450,16 +450,15 @@ pg_krb5_sendauth(char *PQerrormsg, int sock, const char *hostname)
/*
* Respond to AUTH_REQ_SCM_CREDS challenge.
*
* Note: the backend will not use this challenge if HAVE_GETPEEREID
* or SO_PEERCRED is defined, so we don't bother to compile any code
* in that case, even if the facility is available.
* Note: current backends will not use this challenge if HAVE_GETPEEREID
* or SO_PEERCRED is defined, but pre-7.4 backends might, so compile the
* code anyway.
*/
static int
pg_local_sendauth(char *PQerrormsg, PGconn *conn)
{
#if !defined(HAVE_GETPEEREID) && !defined(SO_PEERCRED) && \
(defined(HAVE_STRUCT_CMSGCRED) || defined(HAVE_STRUCT_FCRED) || \
(defined(HAVE_STRUCT_SOCKCRED) && defined(LOCAL_CREDS)))
#if defined(HAVE_STRUCT_CMSGCRED) || defined(HAVE_STRUCT_FCRED) || \
(defined(HAVE_STRUCT_SOCKCRED) && defined(LOCAL_CREDS))
char buf;
struct iovec iov;
struct msghdr msg;