56 lines
1.8 KiB
Diff
56 lines
1.8 KiB
Diff
|
commit c95ef423d78d9a2ec0a8e4141c78165434685c6f
|
||
|
|
Author: Florian Weimer <fweimer@redhat.com>
|
||
|
|
Date: Tue Sep 13 16:10:20 2022 +0200
|
||
|
|
|
||
|
|
nss: Implement --no-addrconfig option for getent
|
||
|
|
|
||
|
|
The ahosts, ahostsv4, ahostsv6 commands unconditionally pass
|
||
|
|
AI_ADDRCONFIG to getaddrinfo, which is not always desired.
|
||
|
|
|
||
|
|
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
|
||
|
|
(cherry picked from commit a623f13adfac47c8634a7288e08f821a846bc650)
|
||
|
|
|
||
|
|
diff --git a/nss/getent.c b/nss/getent.c
|
||
|
|
index ec48ba4bf1f5f788..0f4d549b05da73ac 100644
|
||
|
|
--- a/nss/getent.c
|
||
|
|
+++ b/nss/getent.c
|
||
|
|
@@ -59,6 +59,8 @@ static const struct argp_option args_options[] =
|
||
|
|
{
|
||
|
|
{ "service", 's', N_("CONFIG"), 0, N_("Service configuration to be used") },
|
||
|
|
{ "no-idn", 'i', NULL, 0, N_("disable IDN encoding") },
|
||
|
|
+ { "no-addrconfig", 'A', NULL, 0,
|
||
|
|
+ N_("do not filter out unsupported IPv4/IPv6 addresses (with ahosts*)") },
|
||
|
|
{ NULL, 0, NULL, 0, NULL },
|
||
|
|
};
|
||
|
|
|
||
|
|
@@ -80,6 +82,9 @@ static struct argp argp =
|
||
|
|
/* Additional getaddrinfo flags for IDN encoding. */
|
||
|
|
static int idn_flags = AI_IDN | AI_CANONIDN;
|
||
|
|
|
||
|
|
+/* Set to 0 by --no-addrconfig. */
|
||
|
|
+static int addrconfig_flags = AI_ADDRCONFIG;
|
||
|
|
+
|
||
|
|
/* Print the version information. */
|
||
|
|
static void
|
||
|
|
print_version (FILE *stream, struct argp_state *state)
|
||
|
|
@@ -347,7 +352,7 @@ ahosts_keys_int (int af, int xflags, int number, char *key[])
|
||
|
|
|
||
|
|
struct addrinfo hint;
|
||
|
|
memset (&hint, '\0', sizeof (hint));
|
||
|
|
- hint.ai_flags = (AI_V4MAPPED | AI_ADDRCONFIG | AI_CANONNAME
|
||
|
|
+ hint.ai_flags = (AI_V4MAPPED | addrconfig_flags | AI_CANONNAME
|
||
|
|
| idn_flags | xflags);
|
||
|
|
hint.ai_family = af;
|
||
|
|
|
||
|
|
@@ -906,6 +911,10 @@ parse_option (int key, char *arg, struct argp_state *state)
|
||
|
|
idn_flags = 0;
|
||
|
|
break;
|
||
|
|
|
||
|
|
+ case 'A':
|
||
|
|
+ addrconfig_flags = 0;
|
||
|
|
+ break;
|
||
|
|
+
|
||
|
|
default:
|
||
|
|
return ARGP_ERR_UNKNOWN;
|
||
|
|
}
|