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10 Commits

Author SHA1 Message Date
Werner Koch
6deafb92ab
dirmngr: Silence one regression test.
* dirmngr/t-dns-stuff.c (main): Do not print info during standard
"make check".

Signed-off-by: Werner Koch <wk@gnupg.org>
2016-01-06 08:37:03 +01:00
Werner Koch
288c9919dc
dirmngr: Change to new ADNS Tor mode init scheme.
* dirmngr/dns-stuff.c (tor_credentials): New.
(enable_dns_tormode): Add arg new_circuit and update tor_credentials.
(my_adns_init): Rework to set Tor mode using a config file options and
always use credentials.
* dirmngr/server.c (cmd_dns_cert): Improve error message.
* dirmngr/t-dns-stuff.c (main): Add option --new-circuit.
--

Note that the option --new-circuit in t-dns-stuff is not really useful
because a new circuit is also used for the first call to the function.

Todo: We need to find a policy when to requrest a new curcuit and we
      also need to add credentials to the assuan_sock_connect calls.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-11-09 20:44:13 +01:00
Werner Koch
949a5cfdab
dirmngr: Minor cleanup of the SRV RR code.
* dirmngr/dns-stuff.c: Include unistd.h.
(getsrv): Run srand only once.
* dirmngr/t-dns-stuff.c (main): Allow passing another name for --srv
and change output format.
2015-10-28 10:14:30 +01:00
Werner Koch
5e7ac031f5
dirmngr: Add workaround for broken getaddrinfo.
* dirmngr/dns-stuff.c (resolve_name_standard): On failure retry by
first resolving the CNAME.
(get_dns_cname): New.

* dirmngr/t-dns-stuff.c (main): Add option --cname.
--

At least the getaddrinfo implementation in glibc 2.19-13 from Debian
returns EAI_NONAME if the CNAME points to a too long list of A/AAAA
addresses.  Looking at the wire the data is correctly returned from
the server but getaddrinfo seems to get confused by truncation and
retry.  To fix this we resolve the CNAME again and call getaddrinfo
again with the canonical name.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-25 16:47:12 +01:00
Werner Koch
927f34603d
dirmngr: Replace use of getnameinfo by resolve_dns_addr.
* dirmngr/ks-engine-hkp.c (my_getnameinfo): Remove.
(map_host): Use resolve_dns_addr.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-25 16:47:12 +01:00
Werner Koch
816505958a
dirmngr: Implement a getnameinfo wrapper.
* dirmngr/dns-stuff.h (DNS_NUMERICHOST): New.
(DNS_WITHBRACKET): New.
* dirmngr/dns-stuff.c (resolve_name_standard): Factor code out to...
(map_eai_to_gpg_error): new.
(resolve_addr_standard): New.
(resolve_dns_addr): New.

* dirmngr/ks-engine-hkp.c (is_ip_address): Move to ...
* dirmngr/dns-stuff.c (is_ip_address): here.  Add support for non
bracketed v6 addresses.

* dirmngr/t-dns-stuff.c: Remove header netdb.h.
(main): Add option --bracket.  Use resolve_dns_name instead of
getnameinfo.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-25 16:47:11 +01:00
Werner Koch
8b06d7f41a
dirmngr: Implement Tor mode for SRV RRs.
* dirmngr/dns-stuff.c (get_dns_cert): Factor adns init out to...
(my_adns_init): new.
(getsrv)[USE_ADNS]: Use my_adns_init.
(getsrv)[!USE_ADNS]: Return an error if Tor mode is active.

* dirmngr/t-dns-stuff.c: Add option --use-tor.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-22 10:15:25 +02:00
Werner Koch
41bb01ae79
Move SRV RR code from common/ to dirmngr/.
* common/srv.c: Merge into dirmngr/dns-stuff.c.  Delete file.
* common/srv.h: Merge into dirmngr/dns-stuff.h.  Delete file.
* common/Makefile.am (common_sources): Remove srv.c and srv.h.
* g10/keyserver.c: Do not include srv.h.  The code using it is anyway
disabled.
* dirmngr/http.c: Remove header srv.h and stubs.
* dirmngr/t-dns-stuff.c: Add option --srv.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-22 09:22:41 +02:00
Werner Koch
8bccbf4778
dirmngr: Implement a getaddrinfo wrapper.
* dirmngr/dns-stuff.h: Include some header files.
(dns_addinfo_t, dns_addrinfo_s): New.
* dirmngr/dns-stuff.c: Always include DNS related headers.
(free_dns_addrinfo): New.
(resolve_name_standard): New.
(resolve_dns_name): New.

* dirmngr/t-dns-stuff.c: Include netdb.h.
(main): Keep old default mode with no args but else print outout of
resolve_dns_name.  Revamp option parser.
--

This wrapper allows us to switch to ADNS and thus Tor for standard
name resultion.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-21 17:56:56 +02:00
Werner Koch
5055b617a9
dirmngr: Rename file dns-cert.c.
* dirmngr/dns-cert.c: Rename to dirmngr/dns-stuff.c.
* dirmngr/dns-cert.h: Rename to dirmngr/dns-stuff.h and change
includers.
* dirmngr/t-dns-cert.c: Rename to dirmngr/t-dns-stuff.c.
* dirmngr/Makefile.am: Adjust.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-21 10:29:02 +02:00