resolve: enable RES_TRUSTAD towards the 127.0.0.53 stub resolver

glibc 2.31 strips the AD flag, unless either the application specifies
RES_TRUSTAD or the options in resolv.conf contain trust-ad.

See https://sourceware.org/git/?p=glibc.git;a=blob_plain;f=NEWS;hb=HEAD
This commit is contained in:
YmrDtnJu 2020-06-05 15:36:58 +02:00 committed by Daan De Meyer
parent 9141594cae
commit a742f9828e
2 changed files with 2 additions and 2 deletions

View File

@ -15,4 +15,4 @@
# operation for /etc/resolv.conf.
nameserver 127.0.0.53
options edns0
options edns0 trust-ad

View File

@ -307,7 +307,7 @@ static int write_stub_resolv_conf_contents(FILE *f, OrderedSet *dns, OrderedSet
"# operation for /etc/resolv.conf.\n"
"\n"
"nameserver 127.0.0.53\n"
"options edns0\n", f);
"options edns0 trust-ad\n", f);
if (!ordered_set_isempty(domains))
write_resolv_conf_search(domains, f);