From 335f7e085b45556276d2c1f224648a7eed28e4fd Mon Sep 17 00:00:00 2001
From: Arthur de Jong <arthur@arthurdejong.org>
Date: Sun, 6 Oct 2013 14:11:51 +0000
Subject: use a timeout when skipping remaining result data (c9e2f97 from 0.9)

git-svn-id: http://arthurdejong.org/svn/nss-pam-ldapd/nss-pam-ldapd-0.8@2031 ef36b2f9-881f-0410-afb5-c4e39611909c
---
 common/tio.c |  6 +++---
 common/tio.h |  4 ++--
 nss/common.h | 10 +++++++---
 3 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/common/tio.c b/common/tio.c
index 9aef80c..780ea38 100644
--- a/common/tio.c
+++ b/common/tio.c
@@ -2,7 +2,7 @@
    tio.c - timed io functions
    This file is part of the nss-pam-ldapd library.
 
-   Copyright (C) 2007, 2008, 2010, 2011, 2012 Arthur de Jong
+   Copyright (C) 2007, 2008, 2010, 2011, 2012, 2013 Arthur de Jong
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -298,7 +298,7 @@ int tio_skip(TFILE *fp, size_t count)
 }
 
 /* Read all available data from the stream and empty the read buffer. */
-int tio_skipall(TFILE *fp)
+int tio_skipall(TFILE *fp,int skiptimeout)
 {
   struct pollfd fds[1];
   int rv;
@@ -318,7 +318,7 @@ int tio_skipall(TFILE *fp)
     /* see if any data is available */
     fds[0].fd=fp->fd;
     fds[0].events=POLLIN;
-    rv=poll(fds,1,0);
+    rv=poll(fds,1,skiptimeout);
     /* check the poll() result */
     if (rv==0)
       return 0; /* no file descriptor ready */
diff --git a/common/tio.h b/common/tio.h
index cd3f370..b38d458 100644
--- a/common/tio.h
+++ b/common/tio.h
@@ -2,7 +2,7 @@
    tio.h - timed io functions
    This file is part of the nss-pam-ldapd library.
 
-   Copyright (C) 2007, 2008, 2010, 2012 Arthur de Jong
+   Copyright (C) 2007, 2008, 2010, 2012, 2013 Arthur de Jong
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -59,7 +59,7 @@ int tio_read(TFILE *fp,void *buf,size_t count);
 int tio_skip(TFILE *fp,size_t count);
 
 /* Read all available data from the stream and empty the read buffer. */
-int tio_skipall(TFILE *fp);
+int tio_skipall(TFILE *fp,int skiptimeout);
 
 /* Write the specified buffer to the stream. */
 int tio_write(TFILE *fp,const void *buf,size_t count);
diff --git a/nss/common.h b/nss/common.h
index e8d8e05..3f93a4f 100644
--- a/nss/common.h
+++ b/nss/common.h
@@ -2,7 +2,7 @@
    common.h - common functions for NSS lookups
 
    Copyright (C) 2006 West Consulting
-   Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Arthur de Jong
+   Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Arthur de Jong
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -35,6 +35,10 @@
 #include "solnss.h"
 #endif /* NSS_FLAVOUR_SOLARIS */
 
+/* skip timeout determines the maximum time to wait when closing the
+   connection and reading whatever data that is available */
+#define SKIP_TIMEOUT 500
+
 /* These are macros for handling read and write problems, they are
    NSS specific due to the return code so are defined here. They
    genrally close the open file, set an error code and return with
@@ -127,7 +131,7 @@
   /* close socket and we're done */ \
   if ((retv==NSS_STATUS_SUCCESS)||(retv==NSS_STATUS_TRYAGAIN)) \
   { \
-    (void)tio_skipall(fp); \
+    (void)tio_skipall(fp,SKIP_TIMEOUT); \
     (void)tio_close(fp); \
   } \
   return retv;
@@ -203,7 +207,7 @@
   NSS_AVAILCHECK; \
   if (fp!=NULL) \
   { \
-    (void)tio_skipall(fp); \
+    (void)tio_skipall(fp,SKIP_TIMEOUT); \
     (void)tio_close(fp); \
     fp=NULL; \
   } \
-- 
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