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dirmngr: New option --disable-ipv4.

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* dirmngr/dirmngr.c (oDisableIPv4): New const.
(opts): New option --disable-ipv4.
(parse_rereadable_options): Set that option.
* dirmngr/dirmngr.h (opt): New field 'disable_ipv4'.
* dirmngr/dns-stuff.c (opt_disable_ipv4): bew var.
(set_dns_disable_ipv4): New.
(resolve_name_standard): Skip v4 addresses when OPT_DISABLE_IPV4 is
set.
* dirmngr/ks-engine-hkp.c (map_host): Ditto.
(send_request): Pass HTTP_FLAG_IGNORE_IPv4 if opt.disable_v4 is set.
* dirmngr/crlfetch.c (crl_fetch): Ditto.
* dirmngr/ks-engine-finger.c (ks_finger_fetch): Ditto.
* dirmngr/ks-engine-http.c (ks_http_fetch): Ditto.
* dirmngr/ocsp.c (do_ocsp_request): Ditto.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2017-01-24 16:36:28 +01:00
parent 73d6572bd0
commit 72736af86a
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GPG key ID: E3FDFF218E45B72B
10 changed files with 46 additions and 6 deletions
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4
dirmngr/dns-stuff.h
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@ -95,6 +95,10 @@ struct srventry
/* Set verbosity and debug mode for this module. */
void set_dns_verbose (int verbose, int debug);
/* Set the Disable-IPv4 flag so that the name resolver does not return
* A addresses. */
void set_dns_disable_ipv4 (int yes);
/* Set the timeout for libdns requests to SECONDS. */
void set_dns_timeout (int seconds);