about summary refs log tree commit diff
path: root/nscd/initgrcache.c
diff options
context:
space:
mode:
authorAndreas Schwab <schwab@suse.de>2012-12-04 16:14:13 +0100
committerAndreas Schwab <schwab@suse.de>2013-01-10 09:59:58 +0100
commitdd31ac7a8e0d4cc24eee6815f9101caa5aa64291 (patch)
tree084cc65c5b744f23cada0fae9bfd4c0c1cbb3ca3 /nscd/initgrcache.c
parent3167bfc62bb38e3057f7694566b5bb157236a5a8 (diff)
downloadglibc-dd31ac7a8e0d4cc24eee6815f9101caa5aa64291.tar.gz
glibc-dd31ac7a8e0d4cc24eee6815f9101caa5aa64291.tar.xz
glibc-dd31ac7a8e0d4cc24eee6815f9101caa5aa64291.zip
Properly check for short writes when sending the response in nscd
	* nscd/grpcache.c (cache_addgr): Properly check for short write.
	* nscd/initgrcache.c (addinitgroupsX): Likewise.
	* nscd/pwdcache.c (cache_addpw): Likewise.
	* nscd/servicescache.c (cache_addserv): Likewise.  Don't write
	more than recsize.
Diffstat (limited to 'nscd/initgrcache.c')
-rw-r--r--nscd/initgrcache.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/nscd/initgrcache.c b/nscd/initgrcache.c
index 196407c870..94b279d559 100644
--- a/nscd/initgrcache.c
+++ b/nscd/initgrcache.c
@@ -171,10 +171,12 @@ addinitgroupsX (struct database_dyn *db, int fd, request_header *req,
 	nip = nip->next;
     }
 
+  bool all_written;
   ssize_t total;
   ssize_t written;
   time_t timeout;
  out:
+  all_written = true;
   timeout = MAX_TIMEOUT_VALUE;
   if (!any_success)
     {
@@ -379,6 +381,9 @@ addinitgroupsX (struct database_dyn *db, int fd, request_header *req,
 # endif
 #endif
 	    written = writeall (fd, &dataset->resp, dataset->head.recsize);
+
+	  if (written != dataset->head.recsize)
+	    all_written = false;
 	}
 
 
@@ -405,7 +410,7 @@ addinitgroupsX (struct database_dyn *db, int fd, request_header *req,
 
   free (groups);
 
-  if (__builtin_expect (written != total, 0) && debug_level > 0)
+  if (__builtin_expect (!all_written, 0) && debug_level > 0)
     {
       char buf[256];
       dbg_log (_("short write in %s: %s"), __FUNCTION__,