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10 Commits

Author SHA1 Message Date
NIIBE Yutaka
ab724d3206 dirmngr: dns: Fix allocation of string buffer in stack.
* dirmngr/dns.h (dns_strsection, dns_strclass)
(dns_strtype): Change APIs.
* dirmngr/dns.c (dns_p_lines): Use __dst for dns_strsection.
(dns_rr_print): Use __dst for dns_strclass and dns_strtype.
(dns_trace_dump): Likewise.
(dns_ai_print): Use __dst for dns_strtype.
(dns_strsection): Add an argument __dst for storage.
(dns_strclass, dns_strtype): Likewise.
(parse_packet): Use __dst for dns_strsection.
(send_query): Use __dst for dns_strtype.
(isection): Use __dst for dns_strsection.
(iclass): Use __dst for dns_strclass.
(itype): Use __dst for dns_strtype.

--

Backport master commit of:
	30eef28bc0f5deaa1b4b7f04293a6527524280a9

GnuPG-bug-id: 4934
Reported-by: Tomas Mraz
Fixes-commit: ff7d01fc6d396fc3b8d37baa9bd4cdebc8853648
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2020-05-21 14:37:03 +09:00
NIIBE Yutaka
ee08a15e31
libdns: Avoid using compound literals (8).
* dirmngr/dns.h (dns_quietinit): Remove.
(dns_hints_i_new): Remove.

--

Even before our change, dns_quietinit was questionable macro;  There
was no place in dns.c which requires overrides in initializer list.
Only redundant zero were.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
(cherry picked from commit 371ae25f8f6f2d1ac030bf984bca479393a5ed43)
2019-03-07 13:03:26 +01:00
NIIBE Yutaka
4ab0fef5dc
libdns: Avoid using compound literals (7).
* dirmngr/dns.h (DNS_OPTS_INIT, dns_opts): Remove.
* dirmngr/dns-stuff.c (libdns_res_open): Use zero-ed, and initialized
automatic variable for opts.
* dirmngr/dns.c (send_query, resolve_query, resolve_addrinfo):
Likewise.

--

In fact, DNS_OPTS_INIT was only needed when args are none.  With
partially specified initialization, C99 guarantees zero-ed other
members just like static object.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
(cherry picked from commit d661acd483236d34720a4959fc816d05f89c2cb7)
2019-03-07 13:03:15 +01:00
NIIBE Yutaka
f3af170769
libdns: Avoid using compound literals (6).
* dirmngr/dns.h (dns_rr_i_new): Remove.
(dns_rr_i_init): Remove unused second argument.
* dirmngr/dns.c (dns_p_dump, dns_hints_query, print_packet)
(parse_packet): Use automatic variable for struct dns_rr_i.
(dns_d_cname): No need to call dns_rr_i_init after memset 0.
(dns_rr_i_init): Remove unused second argument.  Return nothing.
* dirmngr/dns-stuff.c (resolve_addr_libdns, get_dns_cert_libdns)
(getsrv_libdns): Follow the change of dns_rr_i_init.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
(cherry picked from commit 6501e59d3685bb58753c9caea729a4b0eca3942a)
2019-03-07 13:02:59 +01:00
NIIBE Yutaka
500151e6da
libdns: Avoid using compound literals (5).
* dirmngr/dns.h (dns_rr_foreach): Don't use dns_rr_i_new.
Call dns_rr_grep with NULL.
* dirmngr/dns.c (dns_rr_grep): Support NULL for error_.

--

Here we still use C99 feature of struct member initialization in
dns_rr_foreach, for struct dns_rr_i.  Note that in C99, it guarantees
non-specified member fields are initialized by zero.  So, there's no
need to use dns_rr_i_new at all.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
(cherry picked from commit a1ccfe2b37847cce0db2fb94a7365c9fa501eda4)
2019-03-07 13:02:48 +01:00
NIIBE Yutaka
229302aecf
libdns: Avoid using compound literals (4).
* dirmngr/dns.h (dns_d_new*): Remove.
* dirmngr/dns.c (parse_packet): Use dns_d_init with automatic
variable.
(parse_domain): Likewise.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
(cherry picked from commit 7313a112f9c7ada61d24285313d2e2d069a672e8)
2019-03-07 13:02:29 +01:00
NIIBE Yutaka
f0de4fc990
libdns: Avoid using compound literals (3).
* dirmngr/dns.h (dns_p_new): Remove.
* dirmngr/dns.c (dns_hosts_query): Use dns_p_init with automatic
variable.
(dns_hints_query, dns_res_glue, parse_packet, query_hosts)
(send_query, show_hints, echo_port): Likewise.

--

Implicit automatic allocation by compound literals is confusing
for C90 code.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
(cherry picked from commit 72efb7840258808cd892b90d871ea1cc1c31d7f5)
2019-03-07 13:02:05 +01:00
NIIBE Yutaka
ff7d01fc6d
libdns: Avoid using compound literals (2).
* dirmngr/dns.h (dns_strsection1, dns_strsection3): Remove.
(dns_strclass1, dns_strclass3): Remove.
(dns_strtype1, dns_strtype3): Remove.
(dns_strsection, dns_strclass, dns_strtype): Directly use the
function.
* dirmngr/dns.c (dns_strsection): Use automatic variable.
(dns_strclass, dns_strtype): Likewise.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
(cherry picked from commit 455ef62d29a112de05897139716265d07e4c6ae3)
2019-03-07 13:01:47 +01:00
Justus Winter
f8ab2c4c70
dirmngr: New libdns snapshot 2016-12-14 15:56:58 +01:00
Justus Winter
f6acd04264
dirmngr: Add basic libdns support
* dirmngr/dns.c: New file.
* dirmngr/dns.h: New file.
* dirmngr/Makefile.am (dirmngr_SOURCES): Add new files.
* dirmngr/dns-stuff.c: Include dns.h.xxx use libdns
(libdns): New global var for the libdns state.
(libdns_error_to_gpg_error): New.
(libdns_init): New.
(resolve_name_libdns): New.
(get_dns_cert_libdns): New stub.
(getsrv_libdns): New stub.
(get_dns_cname_libdns): New stub.

Signed-off-by: Justus Winter <justus@g10code.com>
2016-12-14 15:56:31 +01:00