package/libldns/0002-whitespace-bug-in-ldns-read-zone.patch

   1 From 055ea6aef77058f651b5571d98d2d9458821a977 Mon Sep 17 00:00:00 2001
   2 From: Matthijs Mekking <matthijs@nlnetlabs.nl>
   3 Date: Wed, 18 Jun 2014 09:55:17 +0200
   4 Subject: [PATCH] whitespace bug in ldns-read-zone
   5
   6 [Backport from upstream commit d6037a22fbedb8ef3a22de4107e4eaa36840865b]
   7 Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
   8 ---
   9  rr.c | 15 +++++++++++++++
  10  1 file changed, 15 insertions(+)
  11
  12 diff --git a/rr.c b/rr.c
  13 index cfee170..e530702 100644
  14 --- a/rr.c
  15 +++ b/rr.c
  16 @@ -670,6 +670,18 @@ ldns_rr_new_question_frm_str(ldns_rr **newrr, const char *str,
  17                                             true);
  18  }
  19
  20 +static int
  21 +ldns_rr_is_whitespace_line(char* line, int line_len)
  22 +{
  23 +       int i;
  24 +       for (i = 0; i < line_len; i++) {
  25 +               if (!isspace((int)line[i])) {
  26 +                       return 0;
  27 +               }
  28 +       }
  29 +       return 1;
  30 +}
  31 +
  32  ldns_status
  33  ldns_rr_new_frm_fp(ldns_rr **newrr, FILE *fp, uint32_t *ttl, ldns_rdf **origin, ldns_rdf **prev)
  34  {
  35 @@ -745,6 +757,9 @@ ldns_rr_new_frm_fp_l(ldns_rr **newrr, FILE *fp, uint32_t *default_ttl, ldns_rdf
  36                 s = LDNS_STATUS_SYNTAX_TTL;
  37         } else if (strncmp(line, "$INCLUDE", 8) == 0) {
  38                 s = LDNS_STATUS_SYNTAX_INCLUDE;
  39 +       } else if (ldns_rr_is_whitespace_line(line, size)) {
  40 +               LDNS_FREE(line);
  41 +               return LDNS_STATUS_SYNTAX_EMPTY;
  42         } else {
  43                 if (origin && *origin) {
  44                         s = ldns_rr_new_frm_str(&rr, (const char*) line, ttl, *origin, prev);
  45 --
  46 2.6.4
  47