[or-cvs] Fix memory leak when retrieving networkstatus or routerdesc...

[Nick Mathewson]

Update of /home/or/cvsroot/tor/src/or
In directory moria:/tmp/cvs-serv20519/src/or

Modified Files:
	directory.c 
Log Message:
Fix memory leak when retrieving networkstatus or routerdesc by malformed fingerprint

Index: directory.c
===================================================================
RCS file: /home/or/cvsroot/tor/src/or/directory.c,v
retrieving revision 1.312
retrieving revision 1.313
diff -u -d -r1.312 -r1.313
--- directory.c	18 Oct 2005 17:09:56 -0000	1.312
+++ directory.c	25 Oct 2005 07:03:22 -0000	1.313
@@ -1678,21 +1678,23 @@
   }
   if (decode_hex) {
     int i;
-    char *cp, *d;
+    char *cp, *d = NULL;
     for (i = 0; i < smartlist_len(fp_out); ++i) {
       cp = smartlist_get(fp_out, i);
       if (strlen(cp) != HEX_DIGEST_LEN) {
         smartlist_del(fp_out, i--);
-        continue;
+        goto again;
       }
       d = tor_malloc_zero(DIGEST_LEN);
       if (base16_decode(d, DIGEST_LEN, cp, HEX_DIGEST_LEN)<0) {
-        tor_free(d);
         smartlist_del(fp_out, i--);
-        continue;
+        goto again;
       }
-      tor_free(cp);
       smartlist_set(fp_out, i, d);
+      d = NULL;
+    again:
+      tor_free(cp);
+      tor_free(d);
     }
   }
   return 0;