From ec255a97a22c0b46c111ff0f10be2beb9b5d9224 Mon Sep 17 00:00:00 2001 From: Florian Weimer Date: Thu, 16 May 2019 17:23:23 +0200 Subject: nss_nis, nss_nisplus: Remove RES_USE_INET6 handling Since commit 3f8b44be0a658266adff5ece1e4bc3ce097a5dbe ("resolv: Remove support for RES_USE_INET6 and the inet6 option"), res_use_inet6 () always evaluates to false. --- nis/nss_nis/nis-hosts.c | 55 ++++++++++++------------------------------------- 1 file changed, 13 insertions(+), 42 deletions(-) (limited to 'nis/nss_nis') diff --git a/nis/nss_nis/nis-hosts.c b/nis/nss_nis/nis-hosts.c index f49c418f36..d70973dcee 100644 --- a/nis/nss_nis/nis-hosts.c +++ b/nis/nss_nis/nis-hosts.c @@ -27,22 +27,18 @@ #include #include #include -#include #include #include #include #include "nss-nis.h" -/* Get implementation for some internal functions. */ -#include - #define ENTNAME hostent #define DATABASE "hosts" #define NEED_H_ERRNO -#define EXTRA_ARGS , af, flags -#define EXTRA_ARGS_DECL , int af, int flags +#define EXTRA_ARGS , af +#define EXTRA_ARGS_DECL , int af #define ENTDATA hostent_data struct hostent_data @@ -66,19 +62,8 @@ LINE_PARSER /* Parse address. */ if (af != AF_INET6 && inet_pton (AF_INET, addr, entdata->host_addr) > 0) { - assert ((flags & AI_V4MAPPED) == 0 || af != AF_UNSPEC); - if (flags & AI_V4MAPPED) - { - map_v4v6_address ((char *) entdata->host_addr, - (char *) entdata->host_addr); - result->h_addrtype = AF_INET6; - result->h_length = IN6ADDRSZ; - } - else - { - result->h_addrtype = AF_INET; - result->h_length = INADDRSZ; - } + result->h_addrtype = AF_INET; + result->h_length = INADDRSZ; } else if (af != AF_INET && inet_pton (AF_INET6, addr, entdata->host_addr) > 0) @@ -133,7 +118,7 @@ strong_alias (_nss_nis_sethostent, _nss_nis_endhostent) static enum nss_status internal_nis_gethostent_r (struct hostent *host, char *buffer, size_t buflen, int *errnop, int *h_errnop, - int af, int flags) + int af) { char *domain; if (__glibc_unlikely (yp_get_default_domain (&domain))) @@ -202,7 +187,7 @@ internal_nis_gethostent_r (struct hostent *host, char *buffer, ++p; free (result); - parse_res = parse_line (p, host, data, buflen, errnop, af, flags); + parse_res = parse_line (p, host, data, buflen, errnop, af); if (__glibc_unlikely (parse_res == -1)) { free (outkey); @@ -231,8 +216,7 @@ _nss_nis_gethostent_r (struct hostent *host, char *buffer, size_t buflen, __libc_lock_lock (lock); status = internal_nis_gethostent_r (host, buffer, buflen, errnop, h_errnop, - (res_use_inet6 () ? AF_INET6 : AF_INET), - (res_use_inet6 () ? AI_V4MAPPED : 0 )); + AF_INET); __libc_lock_unlock (lock); @@ -243,7 +227,7 @@ _nss_nis_gethostent_r (struct hostent *host, char *buffer, size_t buflen, static enum nss_status internal_gethostbyname2_r (const char *name, int af, struct hostent *host, char *buffer, size_t buflen, int *errnop, - int *h_errnop, int flags) + int *h_errnop) { uintptr_t pad = -(uintptr_t) buffer % __alignof__ (struct parser_data); buffer += pad; @@ -317,7 +301,7 @@ internal_gethostbyname2_r (const char *name, int af, struct hostent *host, ++p; free (result); - int parse_res = parse_line (p, host, data, buflen, errnop, af, flags); + int parse_res = parse_line (p, host, data, buflen, errnop, af); if (__glibc_unlikely (parse_res < 1 || host->h_addrtype != af)) { @@ -350,8 +334,7 @@ _nss_nis_gethostbyname2_r (const char *name, int af, struct hostent *host, } return internal_gethostbyname2_r (name, af, host, buffer, buflen, errnop, - h_errnop, - (res_use_inet6 () ? AI_V4MAPPED : 0)); + h_errnop); } @@ -359,18 +342,8 @@ enum nss_status _nss_nis_gethostbyname_r (const char *name, struct hostent *host, char *buffer, size_t buflen, int *errnop, int *h_errnop) { - if (res_use_inet6 ()) - { - enum nss_status status; - - status = internal_gethostbyname2_r (name, AF_INET6, host, buffer, buflen, - errnop, h_errnop, AI_V4MAPPED); - if (status == NSS_STATUS_SUCCESS) - return status; - } - return internal_gethostbyname2_r (name, AF_INET, host, buffer, buflen, - errnop, h_errnop, 0); + errnop, h_errnop); } @@ -432,8 +405,7 @@ _nss_nis_gethostbyaddr_r (const void *addr, socklen_t addrlen, int af, ++p; free (result); - int parse_res = parse_line (p, host, data, buflen, errnop, af, - (res_use_inet6 () ? AI_V4MAPPED : 0)); + int parse_res = parse_line (p, host, data, buflen, errnop, af); if (__glibc_unlikely (parse_res < 1)) { if (parse_res == -1) @@ -530,8 +502,7 @@ _nss_nis_gethostbyname4_r (const char *name, struct gaih_addrtuple **pat, buflen -= pad; struct hostent host; - int parse_res = parse_line (result, &host, data, buflen, errnop, AF_UNSPEC, - 0); + int parse_res = parse_line (result, &host, data, buflen, errnop, AF_UNSPEC); if (__glibc_unlikely (parse_res < 1)) { if (parse_res == -1) -- cgit 1.4.1