[gnunet] branch master updated: GNS: Fix BOX handling in apex

[gnunet]

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martin-schanzenbach pushed a commit to branch master
in repository gnunet.

The following commit(s) were added to refs/heads/master by this push:
     new fcbabc6b6 GNS: Fix BOX handling in apex
fcbabc6b6 is described below

commit fcbabc6b637ba341c7a86e240302010a4429d41c
Author: Martin Schanzenbach <schanzen@gnunet.org>
AuthorDate: Fri Mar 18 08:52:01 2022 +0100

    GNS: Fix BOX handling in apex
---
 src/gns/gnunet-service-gns_resolver.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/gns/gnunet-service-gns_resolver.c 
b/src/gns/gnunet-service-gns_resolver.c
index bb3dc215a..9d26e1777 100644
--- a/src/gns/gnunet-service-gns_resolver.c
+++ b/src/gns/gnunet-service-gns_resolver.c
@@ -623,6 +623,19 @@ resolver_lookup_get_next_label (struct GNS_ResolverHandle 
*rh)
     rp = rh->name;
     rh->name_resolution_pos = 0;
   }
+  else if (('_' == dot[1]) &&
+           ('_' == rh->name[0]) &&
+           (dot == memchr (rh->name, (int) '.', rh->name_resolution_pos)))
+  {
+    /**
+     * Do not advance a label. This seems to be a name only consisting
+     * of a BOX indicator (_443,_tcp).
+     * Which means, it is a BOX under the empty label.
+     * leaving name_resolution_pos as is and returning empty label.
+     */
+    rp = GNUNET_GNS_EMPTY_LABEL_AT;
+    len = strlen (GNUNET_GNS_EMPTY_LABEL_AT);
+  }
   else
   {
     /* advance by one label */

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