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dirmngr: Use one context for all libdns queries.

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* dirmngr/dns-stuff.c (libdns_reinit_pending): New var.
(enable_recursive_resolver): Set var.
(set_dns_nameserver): Ditto.
(libdns_init): Avoid double initialization.
(libdns_deinit): New.
(reload_dns_stuff): New.
(libdns_res_open): Act upon LIBDNS_REINIT_PENDING.
* dirmngr/t-dns-stuff.c (main): Call reload_dns_stuff to release
memory.
* dirmngr/dirmngr.c (cleanup): Ditto.
(dirmngr_sighup_action): Call reload_dns_stuff to set
LIBDNS_REINIT_PENDING.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2016-12-16 21:00:14 +01:00
parent ddb4808683
commit c4e8a3194d
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GPG key ID: E3FDFF218E45B72B
4 changed files with 56 additions and 1 deletions
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2
dirmngr/t-dns-stuff.c
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@ -217,7 +217,6 @@ main (int argc, char **argv)
{
printf ("CNAME found: '%s'\n", cname);
}
xfree (cname);
}
else if (opt_srv)
@ -291,6 +290,7 @@ main (int argc, char **argv)
free_dns_addrinfo (aibuf);
}
reload_dns_stuff (1); /* Release objects. */
return 0;
}