| From e41ddbd89a4bb042ac00469fa5880ba584c25c05 Mon Sep 17 00:00:00 2001 |
| From: Khem Raj <raj.khem@gmail.com> |
| Date: Thu, 25 Jul 2019 12:10:56 -0700 |
| Subject: [PATCH] nis-hosts: Remove use of RES_USE_INET6 |
| |
| Upstream glibc dropped it starting glibc 2.30 |
| see |
| https://sourceware.org/git/?p=glibc.git;a=commit;h=3f8b44be0a658266adff5ece1e4bc3ce097a5dbe |
| |
| Fixes issue #6 |
| |
| Upstream-Status: Submitted [https://github.com/thkukuk/libnss_nis/pull/7] |
| |
| Signed-off-by: Khem Raj <raj.khem@gmail.com> |
| --- |
| src/nis-hosts.c | 55 ++++++++++++------------------------------------- |
| 1 file changed, 13 insertions(+), 42 deletions(-) |
| |
| diff --git a/src/nis-hosts.c b/src/nis-hosts.c |
| index 307b46e..bd3c4ad 100644 |
| --- a/src/nis-hosts.c |
| +++ b/src/nis-hosts.c |
| @@ -35,15 +35,12 @@ |
| #include "libc-lock.h" |
| #include "nss-nis.h" |
| |
| -/* Get implementation for some internal functions. */ |
| -#include "mapv4v6addr.h" |
| - |
| #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 |
| @@ -67,19 +64,8 @@ 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) |
| @@ -134,7 +120,7 @@ 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 (yp_get_default_domain (&domain)) |
| @@ -203,7 +189,7 @@ 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 (parse_res == -1) |
| { |
| free (outkey); |
| @@ -232,8 +218,7 @@ _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.options & RES_USE_INET6) ? AF_INET6 : AF_INET), |
| - ((_res.options & RES_USE_INET6) ? AI_V4MAPPED : 0 )); |
| + AF_INET); |
| |
| __libc_lock_unlock (lock); |
| |
| @@ -244,7 +229,7 @@ _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; |
| @@ -318,7 +303,7 @@ 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 (parse_res < 1 || host->h_addrtype != af) |
| { |
| @@ -351,8 +336,7 @@ _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.options & RES_USE_INET6) ? AI_V4MAPPED : 0)); |
| + h_errnop); |
| } |
| |
| |
| @@ -360,18 +344,8 @@ 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.options & 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); |
| } |
| |
| |
| @@ -433,9 +407,7 @@ _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.options & RES_USE_INET6) |
| - ? AI_V4MAPPED : 0)); |
| + int parse_res = parse_line (p, host, data, buflen, errnop, af); |
| if (parse_res < 1) |
| { |
| if (parse_res == -1) |
| @@ -532,8 +504,7 @@ _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 (parse_res < 1) |
| { |
| if (parse_res == -1) |
| -- |
| 2.22.0 |
| |