107 lines
3.7 KiB
Diff
107 lines
3.7 KiB
Diff
commit de2b32289bf701ce3c8167a1b58436866922085e
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Author: Tan Shen Joon <shen.joon.tan@intel.com>
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Date: Thu Aug 15 10:43:34 2019 +0800
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deprecate RES_USE_INET6
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Following the remove of RES_USE_INET6, this patch
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is cherry picked from glibc patch to adopt the similar
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fix
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https://sourceware.org/git/?p=glibc.git;a=commit;h=9c02d0784dfa0bb4b0bfec4fb6db35d3ea953288
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Signed-off-by: Tan Shen Joon <shen.joon.tan@intel.com>
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diff --git a/src/nss_altfiles/files-hosts.c b/src/nss_altfiles/files-hosts.c
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index 65661d8..8d31a1f 100644
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--- a/src/nss_altfiles/files-hosts.c
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+++ b/src/nss_altfiles/files-hosts.c
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@@ -33,8 +33,8 @@
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#define DATABASE "hosts"
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#define NEED_H_ERRNO
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-#define EXTRA_ARGS , af, flags
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-#define EXTRA_ARGS_DECL , int af, int flags
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+#define EXTRA_ARGS , af
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+#define EXTRA_ARGS_DECL , int af
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#define ENTDATA hostent_data
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struct hostent_data
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@@ -59,12 +59,7 @@ LINE_PARSER
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af = af == AF_UNSPEC ? AF_INET : af;
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else
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{
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- if (af == AF_INET6 && (flags & AI_V4MAPPED) != 0
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- && inet_pton (AF_INET, addr, entdata->host_addr) > 0)
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- map_v4v6_address ((char *) entdata->host_addr,
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- (char *) entdata->host_addr);
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- else if (af == AF_INET
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- && inet_pton (AF_INET6, addr, entdata->host_addr) > 0)
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+ if (af == AF_INET && inet_pton (AF_INET6, addr, entdata->host_addr) > 0)
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{
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if (IN6_IS_ADDR_V4MAPPED (entdata->host_addr))
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memcpy (entdata->host_addr, entdata->host_addr + 12, INADDRSZ);
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@@ -97,16 +92,13 @@ LINE_PARSER
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STRING_FIELD (result->h_name, isspace, 1);
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})
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-#define EXTRA_ARGS_VALUE \
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- , ((_res.options & RES_USE_INET6) ? AF_INET6 : AF_INET), \
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- ((_res.options & RES_USE_INET6) ? AI_V4MAPPED : 0)
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+#define EXTRA_ARGS_VALUE , AF_INET
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#include "files-XXX.c"
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#undef EXTRA_ARGS_VALUE
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/* We only need to consider IPv4 mapped addresses if the input to the
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gethostbyaddr() function is an IPv6 address. */
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-#define EXTRA_ARGS_VALUE \
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- , af, (len == IN6ADDRSZ ? AI_V4MAPPED : 0)
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+#define EXTRA_ARGS_VALUE , af
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DB_LOOKUP (hostbyaddr, ,,,
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{
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if (result->h_length == (int) len
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@@ -130,12 +122,8 @@ ALTFILES_SYMBOL1(_gethostbyname3_r) (const char *name, int af, struct hostent *r
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if (status == NSS_STATUS_SUCCESS)
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{
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- /* XXX Is using _res to determine whether we want to convert IPv4
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- addresses to IPv6 addresses really the right thing to do? */
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- int flags = ((_res.options & RES_USE_INET6) ? AI_V4MAPPED : 0);
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-
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while ((status = internal_getent (stream, result, buffer, buflen, errnop,
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- herrnop, af, flags))
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+ herrnop, af))
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== NSS_STATUS_SUCCESS)
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{
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LOOKUP_NAME_CASE (h_name, h_aliases)
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@@ -162,8 +150,7 @@ ALTFILES_SYMBOL1(_gethostbyname3_r) (const char *name, int af, struct hostent *r
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again:
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while ((status = internal_getent (stream, &tmp_result_buf, tmp_buffer,
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- tmp_buflen, errnop, herrnop, af,
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- flags))
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+ tmp_buflen, errnop, herrnop, af))
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== NSS_STATUS_SUCCESS)
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{
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int matches = 1;
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@@ -351,9 +338,7 @@ ALTFILES_SYMBOL1(_gethostbyname_r) (const char *name, struct hostent *result,
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char *buffer, size_t buflen, int *errnop,
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int *herrnop)
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{
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- int af = ((_res.options & RES_USE_INET6) ? AF_INET6 : AF_INET);
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-
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- return ALTFILES_SYMBOL1(_gethostbyname3_r) (name, af, result, buffer, buflen,
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+ return ALTFILES_SYMBOL1(_gethostbyname3_r) (name, AF_INET, result, buffer, buflen,
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errnop, herrnop, NULL, NULL);
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}
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@@ -390,7 +375,7 @@ ALTFILES_SYMBOL1(_gethostbyname4_r) (const char *name, struct gaih_addrtuple **p
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struct hostent result;
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status = internal_getent (stream, &result, buffer, buflen, errnop,
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- herrnop, AF_UNSPEC, 0);
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+ herrnop, AF_UNSPEC);
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if (status != NSS_STATUS_SUCCESS)
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break;
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