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Add --caa-record

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This commit is contained in:
Simon Kelley
2018-08-23 23:01:16 +01:00
parent b758b67c37
commit 974a6d087a
4 changed files with 43 additions and 3 deletions
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1
src/dns-protocol.h
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@@ -76,6 +76,7 @@
#define T_AXFR 252
#define T_MAILB 253
#define T_ANY 255
#define T_CAA 257
#define EDNS0_OPTION_MAC 65001 /* dyndns.org temporary assignment */
#define EDNS0_OPTION_CLIENT_SUBNET 8 /* IANA */

36
src/option.c
View File

@@ -165,6 +165,7 @@ struct myoption {
#define LOPT_DUMPMASK 353
#define LOPT_UBUS 354
#define LOPT_NAME_MATCH 355
#define LOPT_CAA 356
#ifdef HAVE_GETOPT_LONG
static const struct option opts[] =
@@ -233,6 +234,7 @@ static const struct myoption opts[] =
{ "srv-host", 1, 0, 'W' },
{ "localise-queries", 0, 0, 'y' },
{ "txt-record", 1, 0, 'Y' },
{ "caa-record", 1, 0 , LOPT_CAA },
{ "dns-rr", 1, 0, LOPT_RR },
{ "enable-dbus", 2, 0, '1' },
{ "enable-ubus", 0, 0, LOPT_UBUS },
@@ -481,6 +483,7 @@ static struct {
{ LOPT_RA, OPT_RA, NULL, gettext_noop("Send router-advertisements for interfaces doing DHCPv6"), NULL },
{ LOPT_DUID, ARG_ONE, "<enterprise>,<duid>", gettext_noop("Specify DUID_EN-type DHCPv6 server DUID"), NULL },
{ LOPT_HOST_REC, ARG_DUP, "<name>,<address>[,<ttl>]", gettext_noop("Specify host (A/AAAA and PTR) records"), NULL },
{ LOPT_CAA, ARG_DUP, "<name>,<flags>,<tag>,<value>", gettext_noop("Specify certification authority authorization record"), NULL },
{ LOPT_RR, ARG_DUP, "<name>,<RR-number>,[<data>]", gettext_noop("Specify arbitrary DNS resource record"), NULL },
{ LOPT_CLVERBIND, OPT_CLEVERBIND, NULL, gettext_noop("Bind to interfaces in use - check for new interfaces"), NULL },
{ LOPT_AUTHSERV, ARG_ONE, "<NS>,<interface>", gettext_noop("Export local names to global DNS"), NULL },
@@ -4002,7 +4005,7 @@ err:
if (data)
{
new->txt=opt_malloc(len);
new->txt = opt_malloc(len);
new->len = len;
memcpy(new->txt, data, len);
}
@@ -4010,6 +4013,37 @@ err:
break;
}
case LOPT_CAA: /* --caa-record */
{
struct txt_record *new;
char *tag, *value;
int flags;
comma = split(arg);
tag = split(comma);
value = split(tag);
new = opt_malloc(sizeof(struct txt_record));
new->next = daemon->rr;
daemon->rr = new;
if (!atoi_check(comma, &flags) || !tag || !value || !(new->name = canonicalise_opt(arg)))
ret_err(_("bad CAA record"));
unhide_metas(tag);
unhide_metas(value);
new->len = strlen(tag) + strlen(value) + 2;
new->txt = opt_malloc(new->len);
new->txt[0] = flags;
new->txt[1] = strlen(tag);
memcpy(&new->txt[2], tag, strlen(tag));
memcpy(&new->txt[2 + strlen(tag)], value, strlen(value));
new->class = T_CAA;
break;
}
case 'Y': /* --txt-record */
{
struct txt_record *new;