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dirmngr: Fix HKP host selection code.

* dirmngr/server.c (cmd_keyserver): Add option --resolve and change
--print-hosttable to --hosttable.
* dirmngr/ks-action.c (ks_printf_help): New.
(ks_action_resolve): New.
* dirmngr/ks-engine-hkp.c (select_random_host): Fix selection.
(ks_hkp_print_hosttable): Print to assuan stream.
(map_host): Remove debug code.  Add arg FORCE_SELECT.  Return numeric
IP addr if it can't be resolved.
(make_host_part): Add arg FORCE_SELECT; change callers to pass false.
(ks_hkp_resolve): New.
--

The new options for the keyserver command are useful for debugging.
For example:

  $ tools/gpg-connect-agent -S /usr/local/var/run/gnupg/S.dirmngr \
          'keyserver hkp://keys.gnupg.net' \
          'keyserver http://http-keys.gnupg.net' \
          'keyserver --resolve --hosttable' /bye

yields:

  OK
  OK
  S # http://astrath.net:80
  S # http://2001:41d0:1:e673::1:11371
  S # hosttable (idx, ipv4, ipv6, dead, name):
  S #   0       http-keys.gnupg.net
  S #   .   --> 10 11 12 1 5 8 7 4* 2 9 6 3
  S #   1 4     37.250.168.245.bredband.tre.se
  S #   2 4 6   keys.exosphere.de
  S #   3 4 6   poseidon.muc.drweb-av.de
  S #   4 4     astrath.net
  S #   5 4     79.143.214.216
  S #   6 4     openpgp.andrew.kvalhe.im
  S #   7 4     app.aaiedu.hr
  S #   8 4 6   alita.karotte.org
  S #   9 4 6   keyserver.bau5net.com
  S #  10 4     194.94.127.122
  S #  11   6   2001:4d88:1ffc:477::7
  S #  12   6   2a00:1280:8000:2:1:8:0:1
  S #  13       keys.gnupg.net
  S #   .   --> 23 28* 30 17 22 8 7 27 25 14 21 20 19 29 [...]
  S #  14 4     hufu.ki.iif.hu
  S #  15 4     pks.ms.mff.cuni.cz
  S #  16 4     pgpkeys.co.uk
  S #  17 4     80-239-156-219.customer.teliacarrier.com
  S #  18 4     srv01.secure-u.de
  S #  19 4     mallos.xs4all.nl
  S #  20 4     kronecker.scientia.net
  S #  21 4     keyserver.ut.mephi.ru
  S #  22 4     89-68-150-88.dynamic.chello.pl
  S #  23   6   2001:1608:21:6:84:200:66:125
  S #  24   6   sks.es.net
  S #  25   6   gstueve-1-pt.tunnel.tserv13.ash1.ipv6.he.net
  S #  26   6   sks.mrball.net
  S #  27   6   gozer.rediris.es
  S #  28   6   2001:41d0:1:e673::1
  S #  29   6   oteiza.siccegge.de
  S #  30   6   2403:4200:401:10::13
  S #  31   6   statler.serviz.fr
  OK
This commit is contained in:
Werner Koch 2014-03-11 14:26:39 +01:00
parent f30d8b0188
commit 3c35b46a32
5 changed files with 158 additions and 49 deletions

View file

@ -1,5 +1,6 @@
/* ks-action.c - OpenPGP keyserver actions
* Copyright (C) 2011 Free Software Foundation, Inc.
* Copyright (C) 2011, 2014 Werner Koch
*
* This file is part of GnuPG.
*
@ -57,6 +58,25 @@ ks_print_help (ctrl_t ctrl, const char *text)
}
/* Called by the engine's help functions to print the actual help. */
gpg_error_t
ks_printf_help (ctrl_t ctrl, const char *format, ...)
{
va_list arg_ptr;
gpg_error_t err;
char *buf;
va_start (arg_ptr, format);
buf = es_vasprintf (format, arg_ptr);
err = buf? 0 : gpg_error_from_syserror ();
va_end (arg_ptr);
if (!err)
err = dirmngr_status_help (ctrl, buf);
es_free (buf);
return err;
}
/* Run the help command for the engine responsible for URI. */
gpg_error_t
ks_action_help (ctrl_t ctrl, const char *url)
@ -94,6 +114,32 @@ ks_action_help (ctrl_t ctrl, const char *url)
}
/* Resolve all host names. This is useful for looking at the status
of configured keyservers. */
gpg_error_t
ks_action_resolve (ctrl_t ctrl)
{
gpg_error_t err = 0;
int any = 0;
uri_item_t uri;
for (uri = ctrl->keyservers; !err && uri; uri = uri->next)
{
if (uri->parsed_uri->is_http)
{
any = 1;
err = ks_hkp_resolve (ctrl, uri->parsed_uri);
if (err)
break;
}
}
if (!any)
err = gpg_error (GPG_ERR_NO_KEYSERVER);
return err;
}
/* Search all configured keyservers for keys matching PATTERNS and
write the result to the provided output stream. */
gpg_error_t
@ -193,7 +239,7 @@ ks_action_get (ctrl_t ctrl, strlist_t patterns, estream_t outfp)
}
/* Retrive keys from URL and write the result to the provided output
/* Retrieve keys from URL and write the result to the provided output
stream OUTFP. */
gpg_error_t
ks_action_fetch (ctrl_t ctrl, const char *url, estream_t outfp)