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| author | Florian Weimer <fweimer@redhat.com> | 2022-09-13 16:10:20 +0200 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2022-09-20 13:09:25 +0200 |
| commit | a623f13adfac47c8634a7288e08f821a846bc650 (patch) | |
| tree | 0c9bc50d81f6619650a63587fd5306870c83ec43 /nss/getent.c | |
| parent | f97905f24631097af325d6a231093071c3077a5f (diff) | |
| download | glibc-a623f13adfac47c8634a7288e08f821a846bc650.tar.gz glibc-a623f13adfac47c8634a7288e08f821a846bc650.tar.xz glibc-a623f13adfac47c8634a7288e08f821a846bc650.zip | |
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>
Diffstat (limited to 'nss/getent.c')
| -rw-r--r-- | nss/getent.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/nss/getent.c b/nss/getent.c index 8178b4b470..d2d2524b0c 100644 --- a/nss/getent.c +++ b/nss/getent.c @@ -58,6 +58,8 @@ 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 }, }; @@ -79,6 +81,9 @@ 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) @@ -346,7 +351,7 @@ 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; @@ -905,6 +910,10 @@ 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; } |