* nscd/grpcache.c (cache_addgr): Correctly compute size ofcvs/fedora-glibc-20080612T1619

	fixed-size portion of the record.
	* nscd/servicescache.c (cache_addserv): Likewise.
	* nscd/pwdcache.c (cache_addpw): Likewise.
	* nscd/initgrcache.c (addinitgroupsX): Likewise.

4 files changed, 27 insertions, 6 deletions

diff --git a/nscd/grpcache.c b/nscd/grpcache.c
index e391dc3..c49c0e1 100644
--- a/nscd/grpcache.c
+++ b/nscd/grpcache.c
@@ -190,7 +190,7 @@ cache_addgr (struct database_dyn *db, int fd, request_header *req,
 	  gr_mem_len_total += gr_mem_len[gr_mem_cnt];
 	}
 
-      written = total = (sizeof (struct dataset)
+      written = total = (offsetof (struct dataset, strdata)
 			 + gr_mem_cnt * sizeof (uint32_t)
 			 + gr_name_len + gr_passwd_len + gr_mem_len_total);
 
@@ -252,6 +252,9 @@ cache_addgr (struct database_dyn *db, int fd, request_header *req,
       char *key_copy = cp + key_offset;
       assert (key_copy == (char *) rawmemchr (cp, '\0') + 1);
 
+      assert (cp == dataset->strdata + total - offsetof (struct dataset,
+							 strdata));
+
       /* Now we can determine whether on refill we have to create a new
 	 record or not.  */
       if (he != NULL)
diff --git a/nscd/initgrcache.c b/nscd/initgrcache.c
index 3355df5..c5693c6 100644
--- a/nscd/initgrcache.c
+++ b/nscd/initgrcache.c
@@ -246,7 +246,8 @@ addinitgroupsX (struct database_dyn *db, int fd, request_header *req,
   else
     {
 
-      written = total = sizeof (struct dataset) + start * sizeof (int32_t);
+      written = total = (offsetof (struct dataset, strdata)
+			 + start * sizeof (int32_t));
 
       /* If we refill the cache, first assume the reconrd did not
 	 change.  Allocate memory on the cache since it is likely
@@ -307,6 +308,9 @@ addinitgroupsX (struct database_dyn *db, int fd, request_header *req,
       /* Finally the user name.  */
       memcpy (cp, key, req->key_len);
 
+      assert (cp == dataset->strdata + total - offsetof (struct dataset,
+							 strdata));
+
       /* Now we can determine whether on refill we have to create a new
 	 record or not.  */
       if (he != NULL)
diff --git a/nscd/pwdcache.c b/nscd/pwdcache.c
index 4a0cabd..782b101 100644
--- a/nscd/pwdcache.c
+++ b/nscd/pwdcache.c
@@ -185,7 +185,8 @@ cache_addpw (struct database_dyn *db, int fd, request_header *req,
       n = snprintf (buf, buf_len, "%d%c%n%s", pwd->pw_uid, '\0',
 		    &key_offset, (char *) key) + 1;
 
-      written = total = (sizeof (struct dataset) + pw_name_len + pw_passwd_len
+      written = total = (offsetof (struct dataset, strdata)
+			 + pw_name_len + pw_passwd_len
 			 + pw_gecos_len + pw_dir_len + pw_shell_len);
 
       /* If we refill the cache, first assume the reconrd did not
@@ -247,16 +248,28 @@ cache_addpw (struct database_dyn *db, int fd, request_header *req,
       char *key_copy = cp + key_offset;
       assert (key_copy == (char *) rawmemchr (cp, '\0') + 1);
 
+      assert (cp == dataset->strdata + total - offsetof (struct dataset,
+							 strdata));
+
       /* Now we can determine whether on refill we have to create a new
 	 record or not.  */
       if (he != NULL)
 	{
 	  assert (fd == -1);
 
-	  if (total + n == dh->allocsize
-	      && total - offsetof (struct dataset, resp) == dh->recsize
+#if 0
+	  if (dataset->head.datasize == dh->allocsize
+	      && dataset->head.recsize == dh->recsize
 	      && memcmp (&dataset->resp, dh->data,
 			 dh->allocsize - offsetof (struct dataset, resp)) == 0)
+#else
+	  if (dataset->head.allocsize != dh->allocsize)
+	    goto nnn;
+	  if (dataset->head.recsize != dh->recsize)
+	    goto nnn;
+	  if(memcmp (&dataset->resp, dh->data,
+			 dh->allocsize - offsetof (struct dataset, resp)) == 0)
+#endif
 	    {
 	      /* The data has not changed.  We will just bump the
 		 timeout value.  Note that the new record has been
@@ -266,6 +279,7 @@ cache_addpw (struct database_dyn *db, int fd, request_header *req,
 	    }
 	  else
 	    {
+ nnn:;
 	      /* We have to create a new record.  Just allocate
 		 appropriate memory and copy it.  */
 	      struct dataset *newp
diff --git a/nscd/servicescache.c b/nscd/servicescache.c
index c952fa1..44f12a3 100644
--- a/nscd/servicescache.c
+++ b/nscd/servicescache.c
@@ -173,7 +173,7 @@ cache_addserv (struct database_dyn *db, int fd, request_header *req,
 	  total += s_aliases_len[cnt];
 	}
 
-      total += (sizeof (struct dataset)
+      total += (offsetof (struct dataset, strdata)
 		+ s_name_len
 		+ s_proto_len
 		+ s_aliases_cnt * sizeof (uint32_t));