dirmngr: New option --resolver-timeout.

* dirmngr/dns-stuff.c (DEFAULT_TIMEOUT): New.
(opt_timeout): New var.
(set_dns_timeout): New.
(libdns_res_open): Set the default timeout.
(libdns_res_wait): Use configurable timeout.
(resolve_name_libdns): Ditto.

* dirmngr/dirmngr.c (oResolverTimeout): New const.
(opts): New option --resolver-timeout.
(parse_rereadable_options): Set that option.
(main) <aGPGConfList>: Add --nameserver and --resolver-timeout.
* tools/gpgconf-comp.c (gc_options_dirmngr): Add --resolver-timeout
and --nameserver.

* dirmngr/http.c (connect_server): Fix yesterday introduced bug in
error diagnostic.
--

This timeout is a pretty crude thing because libdns has a few other
internal timeouts as well.

Signed-off-by: Werner Koch <[email protected]>

1 files changed, 10 insertions, 0 deletions

diff --git a/dirmngr/dirmngr.c b/dirmngr/dirmngr.c
index bb4d9f3ef..5ee589e93 100644
--- a/dirmngr/dirmngr.c
+++ b/dirmngr/dirmngr.c
@@ -142,6 +142,7 @@ enum cmd_and_opt_values {
   oDisableCheckOwnSocket,
   oStandardResolver,
   oRecursiveResolver,
+  oResolverTimeout,
   aTest
 };
 
@@ -240,6 +241,7 @@ static ARGPARSE_OPTS opts[] = {
   ARGPARSE_s_s (oIgnoreCertExtension,"ignore-cert-extension", "@"),
   ARGPARSE_s_n (oStandardResolver, "standard-resolver", "@"),
   ARGPARSE_s_n (oRecursiveResolver, "recursive-resolver", "@"),
+  ARGPARSE_s_i (oResolverTimeout, "resolver-timeout", "@"),
 
   ARGPARSE_group (302,N_("@\n(See the \"info\" manual for a complete listing "
                          "of all commands and options)\n")),
@@ -550,6 +552,7 @@ parse_rereadable_options (ARGPARSE_ARGS *pargs, int reread)
       /* Note: We do not allow resetting of opt.use_tor at runtime.  */
       disable_check_own_socket = 0;
       enable_standard_resolver (0);
+      set_dns_timeout (0);
       return 1;
     }
 
@@ -636,6 +639,10 @@ parse_rereadable_options (ARGPARSE_ARGS *pargs, int reread)
       set_dns_nameserver (pargs->r.ret_str);
       break;
 
+    case oResolverTimeout:
+      set_dns_timeout (pargs->r.ret_int);
+      break;
+
     default:
       return 0; /* Not handled. */
     }
@@ -1376,6 +1383,9 @@ main (int argc, char **argv)
 
       es_printf ("use-tor:%lu:\n", flags | GC_OPT_FLAG_NONE);
       es_printf ("keyserver:%lu:\n", flags | GC_OPT_FLAG_NONE);
+      es_printf ("nameserver:%lu:\n", flags | GC_OPT_FLAG_NONE);
+      es_printf ("resolver-timeout:%lu:%u\n",
+                 flags | GC_OPT_FLAG_DEFAULT, 0);
     }
   cleanup ();
   return !!rc;