-/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
-#include <nss.h>
-#include <netdb.h>
-#include <errno.h>
+#include <assert.h>
+#include <atomic.h>
#include <ctype.h>
+#include <errno.h>
+#include <netdb.h>
+#include <nss.h>
#include <string.h>
-#include <netinet/in.h>
#include <arpa/inet.h>
-#include <bits/libc-lock.h>
+#include <netinet/in.h>
#include <rpcsvc/nis.h>
+#include <libc-lock.h>
#include "nss-nisplus.h"
__libc_lock_define_initialized (static, lock)
-static nis_result *result = NULL;
-static nis_name tablename_val = NULL;
-static u_long tablename_len = 0;
-
-#define NISENTRYVAL(idx,col,res) \
- ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_val)
+static nis_result *result;
+static nis_name tablename_val;
+static u_long tablename_len;
-#define NISENTRYLEN(idx,col,res) \
- ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_len)
+#define NISENTRYVAL(idx, col, res) \
+ (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_val)
-/* Get implementation for some internal functions. */
-#include <resolv/mapv4v6addr.h>
+#define NISENTRYLEN(idx, col, res) \
+ (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_len)
static int
_nss_nisplus_parse_hostent (nis_result *result, int af, struct hostent *host,
- char *buffer, size_t buflen, int *errnop,
- int flags)
+ char *buffer, size_t buflen, int *errnop)
{
unsigned int i;
char *first_unused = buffer;
size_t room_left = buflen;
- char *data, *p, *line;
if (result == NULL)
return 0;
- if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS) ||
- __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ ||
- strcmp(result->objects.objects_val[0].EN_data.en_type,
- "hosts_tbl") != 0 ||
- result->objects.objects_val[0].EN_data.en_cols.en_cols_len < 4)
+ if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS)
+ || __type_of (NIS_RES_OBJECT (result)) != NIS_ENTRY_OBJ
+ || strcmp (NIS_RES_OBJECT (result)[0].EN_data.en_type, "hosts_tbl") != 0
+ || NIS_RES_OBJECT (result)[0].EN_data.en_cols.en_cols_len < 4)
return 0;
- if (room_left < NISENTRYLEN (0, 2, result) + 1)
+ char *data = first_unused;
+
+ if (room_left < (af != AF_INET ? IN6ADDRSZ : INADDRSZ))
{
no_more_room:
*errnop = ERANGE;
return -1;
}
- data = first_unused;
-
/* Parse address. */
- if (af == AF_INET && inet_pton (af, NISENTRYVAL (0, 2, result), data) > 0)
+ if (af != AF_INET6
+ && inet_pton (AF_INET, NISENTRYVAL (0, 2, result), data) > 0)
{
- if (flags & AI_V4MAPPED)
- {
- map_v4v6_address (data, data);
- host->h_addrtype = AF_INET6;
- host->h_length = IN6ADDRSZ;
- }
- else
- {
- host->h_addrtype = AF_INET;
- host->h_length = INADDRSZ;
- }
+ host->h_addrtype = AF_INET;
+ host->h_length = INADDRSZ;
}
- else if (af == AF_INET6
+ else if (af != AF_INET
&& inet_pton (AF_INET6, NISENTRYVAL (0, 2, result), data) > 0)
{
host->h_addrtype = AF_INET6;
/* Illegal address: ignore line. */
return 0;
- first_unused+=host->h_length;
- room_left-=host->h_length;
+ first_unused += host->h_length;
+ room_left -= host->h_length;
if (NISENTRYLEN (0, 0, result) + 1 > room_left)
goto no_more_room;
- p = __stpncpy (first_unused, NISENTRYVAL (0, 0, result),
- NISENTRYLEN (0, 0, result));
- *p = '\0';
- room_left -= (NISENTRYLEN (0, 0, result) + 1);
host->h_name = first_unused;
- first_unused += NISENTRYLEN (0, 0, result) +1;
- p = first_unused;
+ first_unused = __stpncpy (first_unused, NISENTRYVAL (0, 0, result),
+ NISENTRYLEN (0, 0, result));
+ *first_unused++ = '\0';
- line = p;
- for (i = 0; i < result->objects.objects_len; ++i)
+ room_left -= NISENTRYLEN (0, 0, result) + 1;
+ char *line = first_unused;
+
+ /* When this is a call to gethostbyname4_r we do not need the aliases. */
+ if (af != AF_UNSPEC)
{
- if (strcmp (NISENTRYVAL (i, 1, result), host->h_name) != 0)
+ /* XXX Rewrite at some point to allocate the array first and then
+ copy the strings. It is wasteful to first concatenate the strings
+ to just split them again later. */
+ for (i = 0; i < NIS_RES_NUMOBJ (result); ++i)
{
- if (NISENTRYLEN (i, 1, result) + 2 > room_left)
- goto no_more_room;
-
- *p++ = ' ';
- p = __stpncpy (p, NISENTRYVAL (i, 1, result),
- NISENTRYLEN (i, 1, result));
- *p = '\0';
- room_left -= (NISENTRYLEN (i, 1, result) + 1);
+ if (strcmp (NISENTRYVAL (i, 1, result), host->h_name) != 0)
+ {
+ if (NISENTRYLEN (i, 1, result) + 2 > room_left)
+ goto no_more_room;
+
+ *first_unused++ = ' ';
+ first_unused = __stpncpy (first_unused,
+ NISENTRYVAL (i, 1, result),
+ NISENTRYLEN (i, 1, result));
+ *first_unused = '\0';
+ room_left -= NISENTRYLEN (i, 1, result) + 1;
+ }
}
+ *first_unused++ = '\0';
}
- *p++ = '\0';
- first_unused = p;
/* Adjust the pointer so it is aligned for
storing pointers. */
- first_unused += __alignof__ (char *) - 1;
- first_unused -= ((first_unused - (char *) 0) % __alignof__ (char *));
- host->h_addr_list = (char **) first_unused;
- if (room_left < 2 * sizeof (char *))
+ size_t adjust = ((__alignof__ (char *)
+ - (first_unused - (char *) 0) % __alignof__ (char *))
+ % __alignof__ (char *));
+ if (room_left < adjust + 3 * sizeof (char *))
goto no_more_room;
+ first_unused += adjust;
+ room_left -= adjust;
+ host->h_addr_list = (char **) first_unused;
- room_left -= (2 * sizeof (char *));
+ room_left -= 3 * sizeof (char *);
host->h_addr_list[0] = data;
host->h_addr_list[1] = NULL;
host->h_aliases = &host->h_addr_list[2];
- host->h_aliases[0] = NULL;
- i = 0;
- while (*line != '\0')
+ /* When this is a call to gethostbyname4_r we do not need the aliases. */
+ if (af != AF_UNSPEC)
{
- /* Skip leading blanks. */
- while (isspace (*line))
- ++line;
+ i = 0;
+ while (*line != '\0')
+ {
+ /* Skip leading blanks. */
+ while (isspace (*line))
+ ++line;
- if (*line == '\0')
- break;
+ if (*line == '\0')
+ break;
- if (room_left < sizeof (char *))
- goto no_more_room;
+ if (room_left < sizeof (char *))
+ goto no_more_room;
- room_left -= sizeof (char *);
- host->h_aliases[i] = line;
+ room_left -= sizeof (char *);
+ host->h_aliases[i++] = line;
- while (*line != '\0' && *line != ' ')
- ++line;
+ while (*line != '\0' && *line != ' ')
+ ++line;
- if (*line == ' ')
- {
- *line = '\0';
- ++line;
- ++i;
+ if (*line == ' ')
+ *line++ = '\0';
}
- else
- host->h_aliases[i+1] = NULL;
+
+ host->h_aliases[i] = NULL;
}
+
return 1;
}
+
static enum nss_status
_nss_create_tablename (int *errnop)
{
if (tablename_val == NULL)
{
- char buf [40 + strlen (nis_local_directory ())];
- char *p;
+ const char *local_dir = nis_local_directory ();
+ size_t local_dir_len = strlen (local_dir);
+ static const char prefix[] = "hosts.org_dir.";
- p = __stpcpy (buf, "hosts.org_dir.");
- p = __stpcpy (p, nis_local_directory ());
- tablename_val = __strdup (buf);
- if (tablename_val == NULL)
+ char *p = malloc (sizeof (prefix) + local_dir_len);
+ if (p == NULL)
{
*errnop = errno;
return NSS_STATUS_TRYAGAIN;
}
- tablename_len = strlen (tablename_val);
+
+ memcpy (__stpcpy (p, prefix), local_dir, local_dir_len + 1);
+
+ tablename_len = sizeof (prefix) - 1 + local_dir_len;
+
+ atomic_write_barrier ();
+
+ tablename_val = p;
}
+
return NSS_STATUS_SUCCESS;
}
+
enum nss_status
-_nss_nisplus_sethostent (void)
+_nss_nisplus_sethostent (int stayopen)
{
enum nss_status status = NSS_STATUS_SUCCESS;
int err;
__libc_lock_lock (lock);
- if (result)
- nis_freeresult (result);
- result = NULL;
+ if (result != NULL)
+ {
+ nis_freeresult (result);
+ result = NULL;
+ }
if (tablename_val == NULL)
status = _nss_create_tablename (&err);
return status;
}
+
enum nss_status
_nss_nisplus_endhostent (void)
{
__libc_lock_lock (lock);
- if (result)
- nis_freeresult (result);
- result = NULL;
+ if (result != NULL)
+ {
+ nis_freeresult (result);
+ result = NULL;
+ }
__libc_lock_unlock (lock);
return NSS_STATUS_SUCCESS;
}
+
static enum nss_status
internal_nisplus_gethostent_r (struct hostent *host, char *buffer,
size_t buflen, int *errnop, int *herrnop)
}
result = nis_first_entry (tablename_val);
+ if (result == NULL)
+ {
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- {
- enum nss_status retval = niserr2nss (result->status);
- if (retval == NSS_STATUS_TRYAGAIN)
- {
- *herrnop = NETDB_INTERNAL;
- *errnop = errno;
- }
- return retval;
- }
+ {
+ enum nss_status retval = niserr2nss (result->status);
+ if (retval == NSS_STATUS_TRYAGAIN)
+ {
+ *herrnop = NETDB_INTERNAL;
+ *errnop = errno;
+ }
+ return retval;
+ }
}
else
{
- nis_result *res2;
-
saved_res = result;
- res2 = nis_next_entry(tablename_val, &result->cookie);
- result = res2;
+ result = nis_next_entry (tablename_val, &result->cookie);
+ if (result == NULL)
+ {
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- {
- enum nss_status retval= niserr2nss (result->status);
+ {
+ enum nss_status retval= niserr2nss (result->status);
nis_freeresult (result);
result = saved_res;
- if (retval == NSS_STATUS_TRYAGAIN)
- {
- *herrnop = NETDB_INTERNAL;
+ if (retval == NSS_STATUS_TRYAGAIN)
+ {
+ *herrnop = NETDB_INTERNAL;
*errnop = errno;
- }
- return retval;
- }
+ }
+ return retval;
+ }
}
- if (_res.options & RES_USE_INET6)
- parse_res = _nss_nisplus_parse_hostent (result, AF_INET6, host, buffer,
- buflen, errnop, AI_V4MAPPED);
- else
- parse_res = _nss_nisplus_parse_hostent (result, AF_INET, host, buffer,
- buflen, errnop, 0);
+ parse_res = _nss_nisplus_parse_hostent (result, AF_INET, host, buffer,
+ buflen, errnop);
if (parse_res == -1)
- {
+ {
nis_freeresult (result);
result = saved_res;
- *herrnop = NETDB_INTERNAL;
+ *herrnop = NETDB_INTERNAL;
*errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
+ return NSS_STATUS_TRYAGAIN;
+ }
if (saved_res != NULL)
nis_freeresult (saved_res);
return NSS_STATUS_SUCCESS;
}
+
enum nss_status
_nss_nisplus_gethostent_r (struct hostent *result, char *buffer,
size_t buflen, int *errnop, int *herrnop)
return status;
}
+
+static enum nss_status
+get_tablename (int *herrnop)
+{
+ __libc_lock_lock (lock);
+
+ enum nss_status status = _nss_create_tablename (herrnop);
+
+ __libc_lock_unlock (lock);
+
+ if (status != NSS_STATUS_SUCCESS)
+ *herrnop = NETDB_INTERNAL;
+
+ return status;
+}
+
+
static enum nss_status
internal_gethostbyname2_r (const char *name, int af, struct hostent *host,
char *buffer, size_t buflen, int *errnop,
- int *herrnop, int flags)
+ int *herrnop)
{
- int parse_res, retval;
-
if (tablename_val == NULL)
{
- enum nss_status status = _nss_create_tablename (errnop);
-
+ enum nss_status status = get_tablename (herrnop);
if (status != NSS_STATUS_SUCCESS)
- {
- *herrnop = NETDB_INTERNAL;
- return NSS_STATUS_UNAVAIL;
- }
+ return status;
}
if (name == NULL)
*herrnop = NETDB_INTERNAL;
return NSS_STATUS_NOTFOUND;
}
- else
- {
- nis_result *result;
- char buf[strlen (name) + 255 + tablename_len];
-
- /* Search at first in the alias list, and use the correct name
- for the next search */
- sprintf (buf, "[name=%s],%s", name, tablename_val);
- result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
-
- /* If we do not find it, try it as original name. But if the
- database is correct, we should find it in the first case, too */
- if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS)
- || __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ
- || strcmp (result->objects.objects_val->EN_data.en_type,
- "hosts_tbl") != 0
- || result->objects.objects_val->EN_data.en_cols.en_cols_len < 3)
- sprintf (buf, "[cname=%s],%s", name, tablename_val);
- else
- sprintf (buf, "[cname=%s],%s", NISENTRYVAL(0, 0, result),
- tablename_val);
- nis_freeresult (result);
- result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
+ char buf[strlen (name) + 10 + tablename_len];
+ int olderr = errno;
- retval = niserr2nss (result->status);
- if (retval != NSS_STATUS_SUCCESS)
- {
- if (retval == NSS_STATUS_TRYAGAIN)
- {
- *errnop = errno;
- *herrnop = NETDB_INTERNAL;
- }
- nis_freeresult (result);
- return retval;
- }
+ /* Search at first in the alias list, and use the correct name
+ for the next search. */
+ snprintf (buf, sizeof (buf), "[name=%s],%s", name, tablename_val);
+ nis_result *result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
- parse_res = _nss_nisplus_parse_hostent (result, af, host, buffer,
- buflen, errnop, flags);
+ if (result != NULL)
+ {
+ /* If we did not find it, try it as original name. But if the
+ database is correct, we should find it in the first case, too. */
+ char *bufptr = buf;
+ size_t buflen = sizeof (buf);
+
+ if ((result->status == NIS_SUCCESS || result->status == NIS_S_SUCCESS)
+ && __type_of (result->objects.objects_val) == NIS_ENTRY_OBJ
+ && strcmp (result->objects.objects_val->EN_data.en_type,
+ "hosts_tbl") == 0
+ && result->objects.objects_val->EN_data.en_cols.en_cols_len >= 3)
+ {
+ /* We need to allocate a new buffer since there is no
+ guarantee the returned alias name has a length limit. */
+ name = NISENTRYVAL(0, 0, result);
+ size_t buflen = strlen (name) + 10 + tablename_len;
+ bufptr = alloca (buflen);
+ }
- nis_freeresult (result);
+ snprintf (bufptr, buflen, "[cname=%s],%s", name, tablename_val);
- if (parse_res > 0)
- return NSS_STATUS_SUCCESS;
+ nis_freeresult (result);
+ result = nis_list (bufptr, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
+ }
+ if (result == NULL)
+ {
+ *errnop = ENOMEM;
*herrnop = NETDB_INTERNAL;
- if (parse_res == -1)
+ return NSS_STATUS_TRYAGAIN;
+ }
+
+ int retval = niserr2nss (result->status);
+ if (__glibc_unlikely (retval != NSS_STATUS_SUCCESS))
+ {
+ if (retval == NSS_STATUS_TRYAGAIN)
{
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
+ *errnop = errno;
+ *herrnop = TRY_AGAIN;
}
else
- return NSS_STATUS_NOTFOUND;
+ {
+ __set_errno (olderr);
+ *herrnop = NETDB_INTERNAL;
+ }
+ nis_freeresult (result);
+ return retval;
}
+
+ int parse_res = _nss_nisplus_parse_hostent (result, af, host, buffer,
+ buflen, errnop);
+
+ nis_freeresult (result);
+
+ if (parse_res > 0)
+ return NSS_STATUS_SUCCESS;
+
+ *herrnop = NETDB_INTERNAL;
+ if (parse_res == -1)
+ {
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
+
+ __set_errno (olderr);
+ return NSS_STATUS_NOTFOUND;
}
+
enum nss_status
_nss_nisplus_gethostbyname2_r (const char *name, int af, struct hostent *host,
char *buffer, size_t buflen, int *errnop,
int *herrnop)
{
+ if (af != AF_INET && af != AF_INET6)
+ {
+ *herrnop = HOST_NOT_FOUND;
+ return NSS_STATUS_NOTFOUND;
+ }
+
return internal_gethostbyname2_r (name, af, host, buffer, buflen, errnop,
- herrnop,
- ((_res.options & RES_USE_INET6) ? AI_V4MAPPED : 0));
+ herrnop);
}
-enum nss_status
-_nss_nisplus_getipnodebyname_r (const char *name, int af, int flags,
- struct hostent *result, char *buffer,
- size_t buflen, int *errnop, int *herrnop)
-{
- return internal_gethostbyname2_r (name, af, result, buffer, buflen,
- errnop, herrnop, flags);
-}
enum nss_status
_nss_nisplus_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);
+ buflen, errnop, h_errnop);
}
+
enum nss_status
_nss_nisplus_gethostbyaddr_r (const void *addr, socklen_t addrlen, int af,
struct hostent *host, char *buffer,
{
if (tablename_val == NULL)
{
- enum nss_status status = _nss_create_tablename (errnop);
-
+ enum nss_status status = get_tablename (herrnop);
if (status != NSS_STATUS_SUCCESS)
return status;
}
if (addr == NULL)
return NSS_STATUS_NOTFOUND;
- else
+
+ char buf[24 + tablename_len];
+ int retval, parse_res;
+ int olderr = errno;
+
+ snprintf (buf, sizeof (buf), "[addr=%s],%s",
+ inet_ntoa (*(const struct in_addr *) addr), tablename_val);
+ nis_result *result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
+
+ if (result == NULL)
{
- nis_result *result;
- char buf[255 + tablename_len];
- int retval, parse_res;
-
- sprintf (buf, "[addr=%s],%s",
- inet_ntoa (*(const struct in_addr *) addr), tablename_val);
- result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
-
- retval = niserr2nss (result->status);
- if (retval != NSS_STATUS_SUCCESS)
- {
- if (retval == NSS_STATUS_TRYAGAIN)
- {
- *errnop = errno;
- *herrnop = NETDB_INTERNAL;
- }
- nis_freeresult (result);
- return retval;
- }
+ __set_errno (ENOMEM);
+ return NSS_STATUS_TRYAGAIN;
+ }
- parse_res = _nss_nisplus_parse_hostent (result, af, host,
- buffer, buflen, errnop,
- ((_res.options & RES_USE_INET6) ? AI_V4MAPPED : 0));
+ retval = niserr2nss (result->status);
+ if (__glibc_unlikely (retval != NSS_STATUS_SUCCESS))
+ {
+ if (retval == NSS_STATUS_TRYAGAIN)
+ {
+ *errnop = errno;
+ *herrnop = NETDB_INTERNAL;
+ }
+ else
+ __set_errno (olderr);
nis_freeresult (result);
+ return retval;
+ }
- if (parse_res > 0)
- return NSS_STATUS_SUCCESS;
+ parse_res = _nss_nisplus_parse_hostent (result, af, host,
+ buffer, buflen, errnop);
+ nis_freeresult (result);
- *herrnop = NETDB_INTERNAL;
- if (parse_res == -1)
+ if (parse_res > 0)
+ return NSS_STATUS_SUCCESS;
+
+ *herrnop = NETDB_INTERNAL;
+ if (parse_res == -1)
+ {
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
+
+ __set_errno (olderr);
+ return NSS_STATUS_NOTFOUND;
+}
+
+
+enum nss_status
+_nss_nisplus_gethostbyname4_r (const char *name, struct gaih_addrtuple **pat,
+ char *buffer, size_t buflen, int *errnop,
+ int *herrnop, int32_t *ttlp)
+{
+ struct hostent host;
+
+ enum nss_status status = internal_gethostbyname2_r (name, AF_UNSPEC, &host,
+ buffer, buflen,
+ errnop, herrnop);
+ if (__glibc_likely (status == NSS_STATUS_SUCCESS))
+ {
+ if (*pat == NULL)
{
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
+ uintptr_t pad = (-(uintptr_t) buffer
+ % __alignof__ (struct gaih_addrtuple));
+ buffer += pad;
+ buflen = buflen > pad ? buflen - pad : 0;
+
+ if (__glibc_unlikely (buflen < sizeof (struct gaih_addrtuple)))
+ {
+ free (result);
+ *errnop = ERANGE;
+ *herrnop = NETDB_INTERNAL;
+ return NSS_STATUS_TRYAGAIN;
+ }
}
- else
- return NSS_STATUS_NOTFOUND;
+
+ (*pat)->next = NULL;
+ (*pat)->name = host.h_name;
+ (*pat)->family = host.h_addrtype;
+
+ memcpy ((*pat)->addr, host.h_addr_list[0], host.h_length);
+ (*pat)->scopeid = 0;
+ assert (host.h_addr_list[1] == NULL);
}
+
+ return status;
}
projects / thirdparty / glibc.git / blobdiff