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* nscd/Makefile (nscd-modules): Replace gethstbynm2_r with
gethstbynm3_r. * nscd/gethstbynm2_r.c: Remove. * nscd/gethstbynm3_r.c: New file. * nscd/aicache.c (addhstaiX): Use __gethostbyaddr2_r instead of __gethostbyaddr_r. * nscd/gethstbyad_r.c: Generate __gethostbyaddr2_r function. Define __gethostbyaddr_r compatibility wrapper. * nscd/hstcache.c (cache_addhst): Add ttl parameter. Use it when determining timeout of entry. (lookup): Take new parameter and pass it to __gethostbyname3_r and __gethostbyaddr2_r. (addhstbyX): Pass reference to variable for TTL to lookup and cache_addhst. * nss/Versions [glibc] (GLIBC_PRIVATE): Export __nss_passwd_lookup2, __nss_group_lookup2, __nss_hosts_lookup2, __nss_services_lookup2, and __nss_next2. Remove __nss_services_lookup. * nss/XXX-lookup.c: Name function now *_lookup2. Add new parameter. Add compat wrapper. * nss/getXXbyYY_r.c: Changes to call new *_lookup2 functions and __nss_next2. * nss/getXXent_r.c: Likewise. * nss/getnssent_r.c: Likewise. * nss/nsswitch.c (__nss_lookup): Add new parameter. If first function does not exist in module, try the optional second name. (__nss_next2): New function. (__nss_next): Now wrapper around __nss_next2. * nss/nsswitch.h: Adjust __nss_lookup prototype. Declare __nss_next2. Adjust definition of db_lookup_function type. * nss/service-lookup.c: Define NO_COMPAT. * include/netdb.h: Declare __gethostbyaddr2_r and __gethostbyname3_r. * inet/ether_hton.c: Use __nss_next2 instead of __nss_next. * inet/ether_ntoh.c: Likewise. * sunrpc/netname.c: Likewise. * sunrpc/publickey.c: Likewise. * inet/getnetgrent.c: Likewise. Adjust calls to __nss_lookup. * inet/gethstbyad_r.c (DB_LOOKUP_FCT): Change to __nss_hosts_lookup2. * inet/gethstbynm2_r.c (DB_LOOKUP_FCT): Likewise. * inet/gethstbynm_r.c (DB_LOOKUP_FCT): Likewise. * inet/gethstent_r.c (DB_LOOKUP_FCT): Likewise. * nscd/aicache.c (addhstaiX): Fix default TTL handling. * inet/getnetgrent.c (setup): Encrypt static pointer.
This commit is contained in:
Ulrich Drepper
parent
53bab260f5
commit
384ca55174
48
ChangeLog
48
ChangeLog
@ -1,3 +1,51 @@
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2007-10-29 Ulrich Drepper <drepper@redhat.com>
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* nscd/Makefile (nscd-modules): Replace gethstbynm2_r with
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gethstbynm3_r.
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* nscd/gethstbynm2_r.c: Remove.
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* nscd/gethstbynm3_r.c: New file.
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* nscd/aicache.c (addhstaiX): Use __gethostbyaddr2_r instead of
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__gethostbyaddr_r.
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* nscd/gethstbyad_r.c: Generate __gethostbyaddr2_r function. Define
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__gethostbyaddr_r compatibility wrapper.
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* nscd/hstcache.c (cache_addhst): Add ttl parameter. Use it when
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determining timeout of entry.
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(lookup): Take new parameter and pass it to __gethostbyname3_r and
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__gethostbyaddr2_r.
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(addhstbyX): Pass reference to variable for TTL to lookup and
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cache_addhst.
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* nss/Versions [glibc] (GLIBC_PRIVATE): Export __nss_passwd_lookup2,
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__nss_group_lookup2, __nss_hosts_lookup2, __nss_services_lookup2,
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and __nss_next2. Remove __nss_services_lookup.
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* nss/XXX-lookup.c: Name function now *_lookup2. Add new parameter.
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Add compat wrapper.
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* nss/getXXbyYY_r.c: Changes to call new *_lookup2 functions and
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__nss_next2.
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* nss/getXXent_r.c: Likewise.
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* nss/getnssent_r.c: Likewise.
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* nss/nsswitch.c (__nss_lookup): Add new parameter. If first function
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does not exist in module, try the optional second name.
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(__nss_next2): New function.
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(__nss_next): Now wrapper around __nss_next2.
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* nss/nsswitch.h: Adjust __nss_lookup prototype.
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Declare __nss_next2.
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Adjust definition of db_lookup_function type.
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* nss/service-lookup.c: Define NO_COMPAT.
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* include/netdb.h: Declare __gethostbyaddr2_r and __gethostbyname3_r.
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* inet/ether_hton.c: Use __nss_next2 instead of __nss_next.
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* inet/ether_ntoh.c: Likewise.
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* sunrpc/netname.c: Likewise.
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* sunrpc/publickey.c: Likewise.
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* inet/getnetgrent.c: Likewise. Adjust calls to __nss_lookup.
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* inet/gethstbyad_r.c (DB_LOOKUP_FCT): Change to __nss_hosts_lookup2.
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* inet/gethstbynm2_r.c (DB_LOOKUP_FCT): Likewise.
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* inet/gethstbynm_r.c (DB_LOOKUP_FCT): Likewise.
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* inet/gethstent_r.c (DB_LOOKUP_FCT): Likewise.
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* nscd/aicache.c (addhstaiX): Fix default TTL handling.
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* inet/getnetgrent.c (setup): Encrypt static pointer.
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2007-10-28 Ulrich Drepper <drepper@redhat.com>
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[BZ #5204]
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@ -1,4 +1,4 @@
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/* Copyright (C) 1996, 1999, 2002 Free Software Foundation, Inc.
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/* Copyright (C) 1996, 1999, 2002, 2007 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
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@ -71,7 +71,7 @@ ether_hostton (const char *hostname, struct ether_addr *addr)
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status = (*fct.f) (hostname, ðerent, buffer, sizeof buffer, &errno);
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no_more = __nss_next (&nip, "gethostton_r", &fct.ptr, status, 0);
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no_more = __nss_next2 (&nip, "gethostton_r", NULL, &fct.ptr, status, 0);
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}
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if (status == NSS_STATUS_SUCCESS)
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@ -1,4 +1,4 @@
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/* Copyright (C) 1996, 1997, 1999, 2001, 2002 Free Software Foundation, Inc.
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/* Copyright (C) 1996,1997,1999,2001,2002,2007 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
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@ -72,7 +72,7 @@ ether_ntohost (char *hostname, const struct ether_addr *addr)
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status = (*fct.f) (addr, ðerent, buffer, sizeof buffer, &errno);
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no_more = __nss_next (&nip, "getntohost_r", &fct.ptr, status, 0);
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no_more = __nss_next2 (&nip, "getntohost_r", NULL, &fct.ptr, status, 0);
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}
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if (status == NSS_STATUS_SUCCESS)
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@ -1,4 +1,4 @@
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/* Copyright (C) 1996,1997,1998,1999,2000,2002 Free Software Foundation, Inc.
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/* Copyright (C) 1996-2000,2002,2007 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
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@ -48,6 +48,6 @@
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}
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/* Special name for the lookup function. */
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#define DB_LOOKUP_FCT __nss_hosts_lookup
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#define DB_LOOKUP_FCT __nss_hosts_lookup2
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#include "../nss/getXXbyYY_r.c"
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@ -1,4 +1,4 @@
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/* Copyright (C) 1996, 1997, 2002 Free Software Foundation, Inc.
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/* Copyright (C) 1996, 1997, 2002, 2007 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
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@ -41,6 +41,6 @@
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#define HAVE_AF 1
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/* Special name for the lookup function. */
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#define DB_LOOKUP_FCT __nss_hosts_lookup
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#define DB_LOOKUP_FCT __nss_hosts_lookup2
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#include "../nss/getXXbyYY_r.c"
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@ -1,4 +1,4 @@
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/* Copyright (C) 1996, 1997, 1998, 2002 Free Software Foundation, Inc.
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/* Copyright (C) 1996, 1997, 1998, 2002, 2007 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
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@ -40,6 +40,6 @@
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#define HAVE_LOOKUP_BUFFER 1
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/* Special name for the lookup function. */
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#define DB_LOOKUP_FCT __nss_hosts_lookup
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#define DB_LOOKUP_FCT __nss_hosts_lookup2
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#include "../nss/getXXbyYY_r.c"
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@ -1,4 +1,4 @@
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/* Copyright (C) 1996, 2002 Free Software Foundation, Inc.
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/* Copyright (C) 1996, 2002, 2007 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -30,6 +30,6 @@
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#define NEED__RES 1
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/* Special name for the lookup function. */
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#define DB_LOOKUP_FCT __nss_hosts_lookup
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#define DB_LOOKUP_FCT __nss_hosts_lookup2
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#include "../nss/getXXent_r.c"
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@ -1,4 +1,4 @@
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/* Copyright (C) 1996, 1997, 1998, 1999, 2002, 2004, 2005
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/* Copyright (C) 1996, 1997, 1998, 1999, 2002, 2004, 2005, 2007
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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@ -18,13 +18,16 @@
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02111-1307 USA. */
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#include <assert.h>
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#include <atomic.h>
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#include <bits/libc-lock.h>
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#include <errno.h>
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#include <netdb.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include "netgroup.h"
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#include "nsswitch.h"
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#include <sysdep.h>
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/* Protect above variable against multiple uses at the same time. */
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@ -44,25 +47,32 @@ static int
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setup (void **fctp, service_user **nipp)
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{
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/* Remember the first service_entry, it's always the same. */
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static bool startp_initialized;
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static service_user *startp;
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int no_more;
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if (startp == NULL)
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if (!startp_initialized)
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{
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/* Executing this more than once at the same time must yield the
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same result every time. So we need no locking. */
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no_more = __nss_netgroup_lookup (nipp, "setnetgrent", fctp);
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startp = no_more ? (service_user *) -1 : *nipp;
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PTR_MANGLE (startp);
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atomic_write_barrier ();
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startp_initialized = true;
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}
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else if (startp == (service_user *) -1)
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/* No services at all. */
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return 1;
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else
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{
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service_user *nip = startp;
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PTR_DEMANGLE (nip);
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if (nip == (service_user *) -1)
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/* No services at all. */
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return 1;
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/* Reset to the beginning of the service list. */
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*nipp = startp;
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*nipp = nip;
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/* Look up the first function. */
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no_more = __nss_lookup (nipp, "setnetgrent", fctp);
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no_more = __nss_lookup (nipp, "setnetgrent", NULL, fctp);
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}
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return no_more;
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}
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@ -122,11 +132,12 @@ __internal_setnetgrent_reuse (const char *group, struct __netgrent *datap,
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{
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assert (datap->data == NULL);
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/* Ignore status, we force check in `__nss_next'. */
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/* Ignore status, we force check in `__nss_next2'. */
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status = (*fct.f) (group, datap);
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service_user *old_nip = datap->nip;
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no_more = __nss_next (&datap->nip, "setnetgrent", &fct.ptr, status, 0);
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no_more = __nss_next2 (&datap->nip, "setnetgrent", NULL, &fct.ptr,
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status, 0);
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if (status == NSS_STATUS_SUCCESS && ! no_more)
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{
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@ -423,8 +434,8 @@ innetgr (const char *netgroup, const char *host, const char *user,
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break;
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/* Look for the next service. */
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no_more = __nss_next (&entry.nip, "setnetgrent",
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&setfct.ptr, status, 0);
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no_more = __nss_next2 (&entry.nip, "setnetgrent", NULL,
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&setfct.ptr, status, 0);
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}
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if (result == 0 && entry.needed_groups != NULL)
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@ -32,7 +32,7 @@ include ../Makeconfig
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vpath %.c ../locale/programs
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nscd-modules := nscd connections pwdcache getpwnam_r getpwuid_r grpcache \
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getgrnam_r getgrgid_r hstcache gethstbyad_r gethstbynm2_r \
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getgrnam_r getgrgid_r hstcache gethstbyad_r gethstbynm3_r \
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getsrvbynm_r getsrvbypt_r servicescache \
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dbg_log nscd_conf nscd_stat cache mem nscd_setup_thread \
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xmalloc xstrdup aicache initgrcache gai res_hconf
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@ -106,7 +106,7 @@ CFLAGS-getgrnam_r.c += $(nscd-cflags)
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CFLAGS-getgrgid_r.c += $(nscd-cflags)
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CFLAGS-hstcache.c += $(nscd-cflags)
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CFLAGS-gethstbyad_r.c += $(nscd-cflags)
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CFLAGS-gethstbynm2_r.c += $(nscd-cflags)
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CFLAGS-gethstbynm3_r.c += $(nscd-cflags)
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CFLAGS-dbg_log.c += $(nscd-cflags)
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CFLAGS-nscd_conf.c += $(nscd-cflags)
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CFLAGS-nscd_stat.c += $(nscd-cflags)
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@ -110,7 +110,7 @@ addhstaiX (struct database_dyn *db, int fd, request_header *req,
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size_t tmpbuf4len = 0;
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char *tmpbuf4 = NULL;
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char *canon = NULL;
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int32_t ttl = UINT32_MAX;
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int32_t ttl = INT32_MAX;
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ssize_t total = 0;
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char *key_copy = NULL;
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bool alloca_used = false;
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@ -163,7 +163,7 @@ addhstaiX (struct database_dyn *db, int fd, request_header *req,
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rc4 = 0;
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status[1] = DL_CALL_FCT (fct, (key, AF_INET, &th[1], tmpbuf4,
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tmpbuf4len, &rc4, &herrno,
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ttl == UINT32_MAX ? &ttl : NULL,
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ttl == INT32_MAX ? &ttl : NULL,
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canon == NULL ? &canon : NULL));
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if (rc4 != ERANGE || herrno != NETDB_INTERNAL)
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break;
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@ -233,9 +233,9 @@ addhstaiX (struct database_dyn *db, int fd, request_header *req,
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int rc;
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while (1)
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{
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rc = __gethostbyaddr_r (addr, addrlen, addrfamily,
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&he_mem, tmpbuf, tmpbuflen,
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&he, &herrno);
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rc = __gethostbyaddr2_r (addr, addrlen, addrfamily,
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&he_mem, tmpbuf, tmpbuflen,
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&he, &herrno, NULL);
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if (rc != ERANGE || herrno != NETDB_INTERNAL)
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break;
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tmpbuf = extend_alloca (tmpbuf, tmpbuflen,
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@ -285,7 +285,8 @@ addhstaiX (struct database_dyn *db, int fd, request_header *req,
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dataset->head.usable = true;
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/* Compute the timeout time. */
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dataset->head.timeout = time (NULL) + MIN (db->postimeout, ttl);
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dataset->head.timeout = time (NULL) + (ttl == INT32_MAX
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? db->postimeout : ttl);
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dataset->resp.version = NSCD_VERSION;
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dataset->resp.found = 1;
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@ -20,12 +20,25 @@
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#define LOOKUP_TYPE struct hostent
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#define FUNCTION_NAME gethostbyaddr
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#define FUNCTION_NAME gethostbyaddr2
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#define FUNCTION2_NAME gethostbyaddr
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#define DATABASE_NAME hosts
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#define ADD_PARAMS const void *addr, socklen_t len, int type
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#define EXTRA_PARAMS , int32_t *ttlp
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#define ADD_VARIABLES addr, len, type
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#define EXTRA_VARIABLES , ttlp
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#define NEED_H_ERRNO 1
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#define NEED__RES 1
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#define NEED__RES_HCONF 1
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#include "../nss/getXXbyYY_r.c"
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int
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__gethostbyaddr_r (const void *addr, socklen_t len, int type,
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struct hostent *result_buf, char *buf, size_t buflen,
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struct hostent **result, int *h_errnop)
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{
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return __gethostbyaddr2_r (addr, len, type, result_buf, buf, buflen,
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result, h_errnop, NULL);
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}
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@ -25,10 +25,13 @@
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#define LOOKUP_TYPE struct hostent
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#define FUNCTION_NAME gethostbyname2
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#define FUNCTION_NAME gethostbyname3
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#define FUNCTION2_NAME gethostbyname2
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#define DATABASE_NAME hosts
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#define ADD_PARAMS const char *name, int af
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#define EXTRA_PARAMS , int32_t *ttlp, char **canonp
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#define ADD_VARIABLES name, af
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#define EXTRA_VARIABLES , ttlp, canonp
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#define NEED_H_ERRNO 1
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#define NEED__RES_HCONF 1
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@ -39,3 +42,12 @@
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#define __inet_aton inet_aton
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#include "../nss/getXXbyYY_r.c"
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int
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__gethostbyname2_r (const char *name, int af, struct hostent *ret, char *buf,
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size_t buflen, struct hostent **result, int *h_errnop)
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{
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return __gethostbyname3_r (name, af, ret, buf, buflen, result, h_errnop,
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NULL, NULL);
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}
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@ -80,7 +80,8 @@ static const hst_response_header notfound =
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static void
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cache_addhst (struct database_dyn *db, int fd, request_header *req,
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const void *key, struct hostent *hst, uid_t owner,
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struct hashentry *he, struct datahead *dh, int errval)
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struct hashentry *he, struct datahead *dh, int errval,
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int32_t ttl)
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{
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ssize_t total;
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ssize_t written;
|
||||
@ -131,7 +132,8 @@ cache_addhst (struct database_dyn *db, int fd, request_header *req,
|
||||
dataset->head.usable = true;
|
||||
|
||||
/* Compute the timeout time. */
|
||||
dataset->head.timeout = t + db->negtimeout;
|
||||
dataset->head.timeout = t + (ttl == INT32_MAX
|
||||
? db->negtimeout : ttl);
|
||||
|
||||
/* This is the reply. */
|
||||
memcpy (&dataset->resp, ¬found, total);
|
||||
@ -247,7 +249,7 @@ cache_addhst (struct database_dyn *db, int fd, request_header *req,
|
||||
dataset->head.usable = true;
|
||||
|
||||
/* Compute the timeout time. */
|
||||
dataset->head.timeout = t + db->postimeout;
|
||||
dataset->head.timeout = t + (ttl == INT32_MAX ? db->postimeout : ttl);
|
||||
|
||||
dataset->resp.version = NSCD_VERSION;
|
||||
dataset->resp.found = 1;
|
||||
@ -423,19 +425,19 @@ cache_addhst (struct database_dyn *db, int fd, request_header *req,
|
||||
|
||||
static int
|
||||
lookup (int type, void *key, struct hostent *resultbufp, char *buffer,
|
||||
size_t buflen, struct hostent **hst)
|
||||
size_t buflen, struct hostent **hst, int32_t *ttlp)
|
||||
{
|
||||
if (type == GETHOSTBYNAME)
|
||||
return __gethostbyname2_r (key, AF_INET, resultbufp, buffer, buflen, hst,
|
||||
&h_errno);
|
||||
return __gethostbyname3_r (key, AF_INET, resultbufp, buffer, buflen, hst,
|
||||
&h_errno, ttlp, NULL);
|
||||
if (type == GETHOSTBYNAMEv6)
|
||||
return __gethostbyname2_r (key, AF_INET6, resultbufp, buffer, buflen, hst,
|
||||
&h_errno);
|
||||
return __gethostbyname3_r (key, AF_INET6, resultbufp, buffer, buflen, hst,
|
||||
&h_errno, ttlp, NULL);
|
||||
if (type == GETHOSTBYADDR)
|
||||
return __gethostbyaddr_r (key, NS_INADDRSZ, AF_INET, resultbufp, buffer,
|
||||
buflen, hst, &h_errno);
|
||||
return __gethostbyaddr_r (key, NS_IN6ADDRSZ, AF_INET6, resultbufp, buffer,
|
||||
buflen, hst, &h_errno);
|
||||
return __gethostbyaddr2_r (key, NS_INADDRSZ, AF_INET, resultbufp, buffer,
|
||||
buflen, hst, &h_errno, ttlp);
|
||||
return __gethostbyaddr2_r (key, NS_IN6ADDRSZ, AF_INET6, resultbufp, buffer,
|
||||
buflen, hst, &h_errno, ttlp);
|
||||
}
|
||||
|
||||
|
||||
@ -453,6 +455,7 @@ addhstbyX (struct database_dyn *db, int fd, request_header *req,
|
||||
struct hostent *hst;
|
||||
bool use_malloc = false;
|
||||
int errval = 0;
|
||||
int32_t ttl = INT32_MAX;
|
||||
|
||||
if (__builtin_expect (debug_level > 0, 0))
|
||||
{
|
||||
@ -470,7 +473,7 @@ addhstbyX (struct database_dyn *db, int fd, request_header *req,
|
||||
dbg_log (_("Reloading \"%s\" in hosts cache!"), (char *) str);
|
||||
}
|
||||
|
||||
while (lookup (req->type, key, &resultbuf, buffer, buflen, &hst) != 0
|
||||
while (lookup (req->type, key, &resultbuf, buffer, buflen, &hst, &ttl) != 0
|
||||
&& h_errno == NETDB_INTERNAL
|
||||
&& (errval = errno) == ERANGE)
|
||||
{
|
||||
@ -504,7 +507,7 @@ addhstbyX (struct database_dyn *db, int fd, request_header *req,
|
||||
}
|
||||
|
||||
cache_addhst (db, fd, req, key, hst, uid, he, dh,
|
||||
h_errno == TRY_AGAIN ? errval : 0);
|
||||
h_errno == TRY_AGAIN ? errval : 0, ttl);
|
||||
|
||||
if (use_malloc)
|
||||
free (buffer);
|
||||
|
||||
@ -9,7 +9,10 @@ libc {
|
||||
}
|
||||
GLIBC_PRIVATE {
|
||||
_nss_files_parse_grent; _nss_files_parse_pwent; _nss_files_parse_spent;
|
||||
__nss_disable_nscd; __nss_lookup_function; __nss_services_lookup;
|
||||
__nss_disable_nscd; __nss_lookup_function;
|
||||
|
||||
__nss_passwd_lookup2; __nss_group_lookup2; __nss_hosts_lookup2;
|
||||
__nss_services_lookup2; __nss_next2;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 1996, 1997, 1999, 2000, 2002 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1996, 1997, 1999, 2000, 2002, 2007 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
|
||||
|
||||
@ -34,7 +34,8 @@
|
||||
|* *|
|
||||
\*******************************************************************/
|
||||
|
||||
#define DB_LOOKUP_FCT CONCAT3_1 (__nss_, DATABASE_NAME, _lookup)
|
||||
#define DB_LOOKUP_FCT CONCAT3_1 (__nss_, DATABASE_NAME, _lookup2)
|
||||
#define DB_COMPAT_FCT CONCAT3_1 (__nss_, DATABASE_NAME, _lookup)
|
||||
#define CONCAT3_1(Pre, Name, Post) CONCAT3_2 (Pre, Name, Post)
|
||||
#define CONCAT3_2(Pre, Name, Post) Pre##Name##Post
|
||||
|
||||
@ -56,12 +57,14 @@
|
||||
service_user *DATABASE_NAME_SYMBOL attribute_hidden;
|
||||
|
||||
extern int DB_LOOKUP_FCT (service_user **ni, const char *fct_name,
|
||||
void **fctp) internal_function;
|
||||
const char *fct2_name, void **fctp)
|
||||
internal_function;
|
||||
libc_hidden_proto (DB_LOOKUP_FCT)
|
||||
|
||||
int
|
||||
internal_function
|
||||
DB_LOOKUP_FCT (service_user **ni, const char *fct_name, void **fctp)
|
||||
DB_LOOKUP_FCT (service_user **ni, const char *fct_name, const char *fct2_name,
|
||||
void **fctp)
|
||||
{
|
||||
if (DATABASE_NAME_SYMBOL == NULL
|
||||
&& __nss_database_lookup (DATABASE_NAME_STRING, ALTERNATE_NAME_STRING,
|
||||
@ -70,6 +73,16 @@ DB_LOOKUP_FCT (service_user **ni, const char *fct_name, void **fctp)
|
||||
|
||||
*ni = DATABASE_NAME_SYMBOL;
|
||||
|
||||
return __nss_lookup (ni, fct_name, fctp);
|
||||
return __nss_lookup (ni, fct_name, fct2_name, fctp);
|
||||
}
|
||||
libc_hidden_def (DB_LOOKUP_FCT)
|
||||
|
||||
|
||||
#ifndef NO_COMPAT
|
||||
int
|
||||
internal_function attribute_compat_text_section
|
||||
DB_COMPAT_FCT (service_user **ni, const char *fct_name, void **fctp)
|
||||
{
|
||||
return DB_LOOKUP_FCT (ni, fct_name, NULL, fctp);
|
||||
}
|
||||
#endif
|
||||
|
||||
@ -42,12 +42,18 @@
|
||||
|* DATABASE_NAME - name of the database the function accesses *|
|
||||
|* (e.g., host, services, ...) *|
|
||||
|* *|
|
||||
|* ADD_PARAMS - additional parameter, can vary in number *|
|
||||
|* ADD_PARAMS - additional parameters, can vary in number *|
|
||||
|* *|
|
||||
|* ADD_VARIABLES - names of additional parameter *|
|
||||
|* ADD_VARIABLES - names of additional parameters *|
|
||||
|* *|
|
||||
|* Optionally the following vars can be defined: *|
|
||||
|* *|
|
||||
|* EXTRA_PARAMS - optional parameters, can vary in number *|
|
||||
|* *|
|
||||
|* EXTRA_VARIABLES - names of optional parameter *|
|
||||
|* *|
|
||||
|* FUNCTION_NAME - alternative name of the non-reentrant function *|
|
||||
|* *|
|
||||
|* NEED_H_ERRNO - an extra parameter will be passed to point to *|
|
||||
|* the global `h_errno' variable. *|
|
||||
|* *|
|
||||
@ -62,6 +68,11 @@
|
||||
|
||||
/* To make the real sources a bit prettier. */
|
||||
#define REENTRANT_NAME APPEND_R (FUNCTION_NAME)
|
||||
#ifdef FUNCTION2_NAME
|
||||
# define REENTRANT2_NAME APPEND_R (FUNCTION2_NAME)
|
||||
#else
|
||||
# define REENTRANT2_NAME NULL
|
||||
#endif
|
||||
#define APPEND_R(name) APPEND_R1 (name)
|
||||
#define APPEND_R1(name) name##_r
|
||||
#define INTERNAL(name) INTERNAL1 (name)
|
||||
@ -80,12 +91,17 @@
|
||||
|
||||
#define FUNCTION_NAME_STRING STRINGIZE (FUNCTION_NAME)
|
||||
#define REENTRANT_NAME_STRING STRINGIZE (REENTRANT_NAME)
|
||||
#ifdef FUNCTION2_NAME
|
||||
# define REENTRANT2_NAME_STRING STRINGIZE (REENTRANT2_NAME)
|
||||
#else
|
||||
# define REENTRANT2_NAME_STRING NULL
|
||||
#endif
|
||||
#define DATABASE_NAME_STRING STRINGIZE (DATABASE_NAME)
|
||||
#define STRINGIZE(name) STRINGIZE1 (name)
|
||||
#define STRINGIZE1(name) #name
|
||||
|
||||
#ifndef DB_LOOKUP_FCT
|
||||
# define DB_LOOKUP_FCT CONCAT3_1 (__nss_, DATABASE_NAME, _lookup)
|
||||
# define DB_LOOKUP_FCT CONCAT3_1 (__nss_, DATABASE_NAME, _lookup2)
|
||||
# define CONCAT3_1(Pre, Name, Post) CONCAT3_2 (Pre, Name, Post)
|
||||
# define CONCAT3_2(Pre, Name, Post) Pre##Name##Post
|
||||
#endif
|
||||
@ -101,6 +117,13 @@
|
||||
# define H_ERRNO_VAR_P NULL
|
||||
#endif
|
||||
|
||||
#ifndef EXTRA_PARAMS
|
||||
# define EXTRA_PARAMS
|
||||
#endif
|
||||
#ifndef EXTRA_VARIABLES
|
||||
# define EXTRA_VARIABLES
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_AF
|
||||
# define AF_VAL af
|
||||
#else
|
||||
@ -109,17 +132,20 @@
|
||||
|
||||
/* Type of the lookup function we need here. */
|
||||
typedef enum nss_status (*lookup_function) (ADD_PARAMS, LOOKUP_TYPE *, char *,
|
||||
size_t, int * H_ERRNO_PARM);
|
||||
size_t, int * H_ERRNO_PARM
|
||||
EXTRA_PARAMS);
|
||||
|
||||
/* The lookup function for the first entry of this service. */
|
||||
extern int DB_LOOKUP_FCT (service_user **nip, const char *name, void **fctp)
|
||||
extern int DB_LOOKUP_FCT (service_user **nip, const char *name,
|
||||
const char *name2, void **fctp)
|
||||
internal_function;
|
||||
libc_hidden_proto (DB_LOOKUP_FCT)
|
||||
|
||||
|
||||
int
|
||||
INTERNAL (REENTRANT_NAME) (ADD_PARAMS, LOOKUP_TYPE *resbuf, char *buffer,
|
||||
size_t buflen, LOOKUP_TYPE **result H_ERRNO_PARM)
|
||||
size_t buflen, LOOKUP_TYPE **result H_ERRNO_PARM
|
||||
EXTRA_PARAMS)
|
||||
{
|
||||
static bool startp_initialized;
|
||||
static service_user *startp;
|
||||
@ -171,7 +197,8 @@ INTERNAL (REENTRANT_NAME) (ADD_PARAMS, LOOKUP_TYPE *resbuf, char *buffer,
|
||||
|
||||
if (! startp_initialized)
|
||||
{
|
||||
no_more = DB_LOOKUP_FCT (&nip, REENTRANT_NAME_STRING, &fct.ptr);
|
||||
no_more = DB_LOOKUP_FCT (&nip, REENTRANT_NAME_STRING,
|
||||
REENTRANT2_NAME_STRING, &fct.ptr);
|
||||
if (no_more)
|
||||
{
|
||||
void *tmp_ptr = (service_user *) -1l;
|
||||
@ -224,7 +251,7 @@ INTERNAL (REENTRANT_NAME) (ADD_PARAMS, LOOKUP_TYPE *resbuf, char *buffer,
|
||||
#endif
|
||||
|
||||
status = DL_CALL_FCT (fct.l, (ADD_VARIABLES, resbuf, buffer, buflen,
|
||||
&errno H_ERRNO_VAR));
|
||||
&errno H_ERRNO_VAR EXTRA_VARIABLES));
|
||||
|
||||
/* The status is NSS_STATUS_TRYAGAIN and errno is ERANGE the
|
||||
provided buffer is too small. In this case we should give
|
||||
@ -238,8 +265,8 @@ INTERNAL (REENTRANT_NAME) (ADD_PARAMS, LOOKUP_TYPE *resbuf, char *buffer,
|
||||
&& errno == ERANGE)
|
||||
break;
|
||||
|
||||
no_more = __nss_next (&nip, REENTRANT_NAME_STRING,
|
||||
&fct.ptr, status, 0);
|
||||
no_more = __nss_next2 (&nip, REENTRANT_NAME_STRING,
|
||||
REENTRANT2_NAME_STRING, &fct.ptr, status, 0);
|
||||
}
|
||||
|
||||
#ifdef HANDLE_DIGITS_DOTS
|
||||
@ -274,10 +301,11 @@ done:
|
||||
}
|
||||
|
||||
|
||||
#include <shlib-compat.h>
|
||||
#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1_2)
|
||||
#define OLD(name) OLD1 (name)
|
||||
#define OLD1(name) __old_##name
|
||||
#ifndef FUNCTION2_NAME
|
||||
# include <shlib-compat.h>
|
||||
# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1_2)
|
||||
# define OLD(name) OLD1 (name)
|
||||
# define OLD1(name) __old_##name
|
||||
|
||||
int
|
||||
attribute_compat_text_section
|
||||
@ -293,19 +321,20 @@ OLD (REENTRANT_NAME) (ADD_PARAMS, LOOKUP_TYPE *resbuf, char *buffer,
|
||||
return ret;
|
||||
}
|
||||
|
||||
#define do_symbol_version(real, name, version) \
|
||||
# define do_symbol_version(real, name, version) \
|
||||
compat_symbol (libc, real, name, version)
|
||||
do_symbol_version (OLD (REENTRANT_NAME), REENTRANT_NAME, GLIBC_2_0);
|
||||
#endif
|
||||
# endif
|
||||
|
||||
/* As INTERNAL (REENTRANT_NAME) may be hidden, we need an alias
|
||||
in between so that the REENTRANT_NAME@@GLIBC_2.1.2 is not
|
||||
hidden too. */
|
||||
strong_alias (INTERNAL (REENTRANT_NAME), NEW (REENTRANT_NAME));
|
||||
|
||||
#define do_default_symbol_version(real, name, version) \
|
||||
# define do_default_symbol_version(real, name, version) \
|
||||
versioned_symbol (libc, real, name, version)
|
||||
do_default_symbol_version (NEW (REENTRANT_NAME),
|
||||
REENTRANT_NAME, GLIBC_2_1_2);
|
||||
#endif
|
||||
|
||||
static_link_warning (REENTRANT_NAME)
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 1996,97,98,99,2000,2002,2004 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1996-2000,2002,2004,2007 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
|
||||
|
||||
@ -64,7 +64,7 @@
|
||||
#define STRINGIZE1(Name) #Name
|
||||
|
||||
#ifndef DB_LOOKUP_FCT
|
||||
# define DB_LOOKUP_FCT CONCAT3_1 (__nss_, DATABASE_NAME, _lookup)
|
||||
# define DB_LOOKUP_FCT CONCAT3_1 (__nss_, DATABASE_NAME, _lookup2)
|
||||
# define CONCAT3_1(Pre, Name, Post) CONCAT3_2 (Pre, Name, Post)
|
||||
# define CONCAT3_2(Pre, Name, Post) Pre##Name##Post
|
||||
#endif
|
||||
@ -113,7 +113,8 @@ static STAYOPEN_TMP;
|
||||
__libc_lock_define_initialized (static, lock)
|
||||
|
||||
/* The lookup function for the first entry of this service. */
|
||||
extern int DB_LOOKUP_FCT (service_user **nip, const char *name, void **fctp)
|
||||
extern int DB_LOOKUP_FCT (service_user **nip, const char *name,
|
||||
const char *name2, void **fctp)
|
||||
internal_function;
|
||||
libc_hidden_proto (DB_LOOKUP_FCT)
|
||||
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 2000, 2002, 2004 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 2000, 2002, 2004, 2007 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
@ -30,7 +30,7 @@ setup (const char *func_name, db_lookup_function lookup_fct,
|
||||
int no_more;
|
||||
if (*startp == NULL)
|
||||
{
|
||||
no_more = lookup_fct (nip, func_name, fctp);
|
||||
no_more = lookup_fct (nip, func_name, NULL, fctp);
|
||||
*startp = no_more ? (service_user *) -1l : *nip;
|
||||
}
|
||||
else if (*startp == (service_user *) -1l)
|
||||
@ -42,7 +42,7 @@ setup (const char *func_name, db_lookup_function lookup_fct,
|
||||
/* Reset to the beginning of the service list. */
|
||||
*nip = *startp;
|
||||
/* Look up the first function. */
|
||||
no_more = __nss_lookup (nip, func_name, fctp);
|
||||
no_more = __nss_lookup (nip, func_name, NULL, fctp);
|
||||
}
|
||||
return no_more;
|
||||
}
|
||||
@ -80,8 +80,7 @@ __nss_setent (const char *func_name, db_lookup_function lookup_fct,
|
||||
else
|
||||
status = DL_CALL_FCT (fct.f, (0));
|
||||
|
||||
no_more = __nss_next (nip, func_name, &fct.ptr,
|
||||
status, 0);
|
||||
no_more = __nss_next2 (nip, func_name, NULL, &fct.ptr, status, 0);
|
||||
if (is_last_nip)
|
||||
*last_nip = *nip;
|
||||
}
|
||||
@ -120,7 +119,7 @@ __nss_endent (const char *func_name, db_lookup_function lookup_fct,
|
||||
/* We have processed all services which were used. */
|
||||
break;
|
||||
|
||||
no_more = __nss_next (nip, func_name, &fct.ptr, 0, 1);
|
||||
no_more = __nss_next2 (nip, func_name, NULL, &fct.ptr, 0, 1);
|
||||
}
|
||||
*last_nip = *nip = NULL;
|
||||
}
|
||||
@ -177,8 +176,8 @@ __nss_getent_r (const char *getent_func_name,
|
||||
|
||||
do
|
||||
{
|
||||
no_more = __nss_next (nip, getent_func_name, &fct.ptr,
|
||||
status, 0);
|
||||
no_more = __nss_next2 (nip, getent_func_name, NULL, &fct.ptr,
|
||||
status, 0);
|
||||
|
||||
if (is_last_nip)
|
||||
*last_nip = *nip;
|
||||
@ -192,8 +191,7 @@ __nss_getent_r (const char *getent_func_name,
|
||||
void *ptr;
|
||||
} sfct;
|
||||
|
||||
no_more = __nss_lookup (nip, setent_func_name,
|
||||
&sfct.ptr);
|
||||
no_more = __nss_lookup (nip, setent_func_name, NULL, &sfct.ptr);
|
||||
|
||||
if (! no_more)
|
||||
{
|
||||
|
||||
@ -145,9 +145,12 @@ libc_hidden_def (__nss_database_lookup)
|
||||
0 == function found
|
||||
1 == finished */
|
||||
int
|
||||
__nss_lookup (service_user **ni, const char *fct_name, void **fctp)
|
||||
__nss_lookup (service_user **ni, const char *fct_name, const char *fct2_name,
|
||||
void **fctp)
|
||||
{
|
||||
*fctp = __nss_lookup_function (*ni, fct_name);
|
||||
if (*fctp == NULL && fct2_name != NULL)
|
||||
*fctp = __nss_lookup_function (*ni, fct_name);
|
||||
|
||||
while (*fctp == NULL
|
||||
&& nss_next_action (*ni, NSS_STATUS_UNAVAIL) == NSS_ACTION_CONTINUE
|
||||
@ -156,6 +159,8 @@ __nss_lookup (service_user **ni, const char *fct_name, void **fctp)
|
||||
*ni = (*ni)->next;
|
||||
|
||||
*fctp = __nss_lookup_function (*ni, fct_name);
|
||||
if (*fctp == NULL && fct2_name != NULL)
|
||||
*fctp = __nss_lookup_function (*ni, fct_name);
|
||||
}
|
||||
|
||||
return *fctp != NULL ? 0 : (*ni)->next == NULL ? 1 : -1;
|
||||
@ -166,8 +171,8 @@ __nss_lookup (service_user **ni, const char *fct_name, void **fctp)
|
||||
0 == adjusted for next function
|
||||
1 == finished */
|
||||
int
|
||||
__nss_next (service_user **ni, const char *fct_name, void **fctp, int status,
|
||||
int all_values)
|
||||
__nss_next2 (service_user **ni, const char *fct_name, const char *fct2_name,
|
||||
void **fctp, int status, int all_values)
|
||||
{
|
||||
if (all_values)
|
||||
{
|
||||
@ -180,7 +185,8 @@ __nss_next (service_user **ni, const char *fct_name, void **fctp, int status,
|
||||
else
|
||||
{
|
||||
/* This is really only for debugging. */
|
||||
if (NSS_STATUS_TRYAGAIN > status || status > NSS_STATUS_RETURN)
|
||||
if (__builtin_expect (NSS_STATUS_TRYAGAIN > status
|
||||
|| status > NSS_STATUS_RETURN, 0))
|
||||
__libc_fatal ("illegal status in __nss_next");
|
||||
|
||||
if (nss_next_action (*ni, status) == NSS_ACTION_RETURN)
|
||||
@ -195,6 +201,8 @@ __nss_next (service_user **ni, const char *fct_name, void **fctp, int status,
|
||||
*ni = (*ni)->next;
|
||||
|
||||
*fctp = __nss_lookup_function (*ni, fct_name);
|
||||
if (*fctp == NULL && fct2_name != NULL)
|
||||
*fctp = __nss_lookup_function (*ni, fct2_name);
|
||||
}
|
||||
while (*fctp == NULL
|
||||
&& nss_next_action (*ni, NSS_STATUS_UNAVAIL) == NSS_ACTION_CONTINUE
|
||||
@ -202,7 +210,16 @@ __nss_next (service_user **ni, const char *fct_name, void **fctp, int status,
|
||||
|
||||
return *fctp != NULL ? 0 : -1;
|
||||
}
|
||||
libc_hidden_def (__nss_next)
|
||||
libc_hidden_def (__nss_next2)
|
||||
|
||||
|
||||
int
|
||||
attribute_compat_text_section
|
||||
__nss_next (service_user **ni, const char *fct_name, void **fctp, int status,
|
||||
int all_values)
|
||||
{
|
||||
return __nss_next2 (ni, fct_name, NULL, fctp, status, all_values);
|
||||
}
|
||||
|
||||
|
||||
int
|
||||
|
||||
@ -110,7 +110,8 @@ libc_hidden_proto (__nss_database_lookup)
|
||||
/* Put first function with name FCT_NAME for SERVICE in FCTP. The
|
||||
position is remembered in NI. The function returns a value < 0 if
|
||||
an error occurred or no such function exists. */
|
||||
extern int __nss_lookup (service_user **ni, const char *fct_name, void **fctp);
|
||||
extern int __nss_lookup (service_user **ni, const char *fct_name,
|
||||
const char *fct2_name, void **fctp) attribute_hidden;
|
||||
|
||||
/* Determine the next step in the lookup process according to the
|
||||
result STATUS of the call to the last function returned by
|
||||
@ -125,9 +126,12 @@ extern int __nss_lookup (service_user **ni, const char *fct_name, void **fctp);
|
||||
services. In other words, only if all four lookup results have
|
||||
the action RETURN associated the lookup process stops before the
|
||||
natural end. */
|
||||
extern int __nss_next2 (service_user **ni, const char *fct_name,
|
||||
const char *fct2_name, void **fctp, int status,
|
||||
int all_values) attribute_hidden;
|
||||
libc_hidden_proto (__nss_next2)
|
||||
extern int __nss_next (service_user **ni, const char *fct_name, void **fctp,
|
||||
int status, int all_values);
|
||||
libc_hidden_proto (__nss_next)
|
||||
|
||||
/* Search for the service described in NI for a function named FCT_NAME
|
||||
and return a pointer to this function if successful. */
|
||||
@ -139,7 +143,8 @@ libc_hidden_proto (__nss_lookup_function)
|
||||
extern void __nss_disable_nscd (void);
|
||||
|
||||
|
||||
typedef int (*db_lookup_function) (service_user **, const char *, void **)
|
||||
typedef int (*db_lookup_function) (service_user **, const char *, const char *,
|
||||
void **)
|
||||
internal_function;
|
||||
typedef enum nss_status (*setent_function) (int);
|
||||
typedef enum nss_status (*endent_function) (void);
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1996, 1997, 2007 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
|
||||
|
||||
@ -18,5 +18,6 @@
|
||||
02111-1307 USA. */
|
||||
|
||||
#define DATABASE_NAME services
|
||||
#define NO_COMPAT
|
||||
|
||||
#include "XXX-lookup.c"
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 1997, 1998, 1999, 2002 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1997, 1998, 1999, 2002, 2007 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
|
||||
|
||||
@ -176,7 +176,7 @@ netname2user (const char netname[MAXNETNAMELEN + 1], uid_t * uidp, gid_t * gidp,
|
||||
{
|
||||
status = (*fct.f) (netname, uidp, gidp, gidlenp, gidlist);
|
||||
|
||||
no_more = __nss_next (&nip, "netname2user", &fct.ptr, status, 0);
|
||||
no_more = __nss_next2 (&nip, "netname2user", NULL, &fct.ptr, status, 0);
|
||||
}
|
||||
|
||||
return status == NSS_STATUS_SUCCESS;
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
/* Get public or secret key from key server.
|
||||
Copyright (C) 1996, 1997, 1998, 1999, 2002 Free Software Foundation, Inc.
|
||||
Copyright (C) 1996-1999,2002,2007 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
|
||||
|
||||
@ -71,7 +71,7 @@ getpublickey (const char *name, char *key)
|
||||
{
|
||||
status = (*fct.f) (name, key, &errno);
|
||||
|
||||
no_more = __nss_next (&nip, "getpublickey", &fct.ptr, status, 0);
|
||||
no_more = __nss_next2 (&nip, "getpublickey", NULL, &fct.ptr, status, 0);
|
||||
}
|
||||
|
||||
return status == NSS_STATUS_SUCCESS;
|
||||
@ -114,7 +114,7 @@ getsecretkey (const char *name, char *key, const char *passwd)
|
||||
{
|
||||
status = (*fct.f) (name, key, passwd, &errno);
|
||||
|
||||
no_more = __nss_next (&nip, "getsecretkey", &fct.ptr, status, 0);
|
||||
no_more = __nss_next2 (&nip, "getsecretkey", NULL, &fct.ptr, status, 0);
|
||||
}
|
||||
|
||||
return status == NSS_STATUS_SUCCESS;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user