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1997-08-02 21:27 Ulrich Drepper <drepper@cygnus.com> * inet/Makefile (headers): Rename netinet/inbits.h to bits/in.h. * inet/netinet/in.h: Include bits/in.h instead of netinet/inbits.h. * sysdeps/generic/netinet/inbits.h: Move to... * sysdeps/generic/bits/in.h: ... here. * sysdeps/unix/sysv/linux/bits/inbits.h: Move to ... * sysdeps/unix/sysv/linux/bits/in.h: ... here. * nis/Makefile (headers): Add bits/nislib.h. * nis/rpcsvc/nislib.h: Moved to .... * nis/bits/nislib.h: ... here. * nis/nss_compat/compat-grp.c: Don't include <rpcsvc/nislib.h>. * nis/nss_compat/compat-pwd.c: Likewise. * nis/nss_compat/compat-spwd.c: Likewise. * nis/nss_nisplus/nisplus-alias.c: Likewise. * nis/nss_nisplus/nisplus-ethers.c: Likewise. * nis/nss_nisplus/nisplus-grp.c: Likewise. * nis/nss_nisplus/nisplus-hosts.c: Likewise. * nis/nss_nisplus/nisplus-netgrp.c: Likewise. * nis/nss_nisplus/nisplus-ntework.c: Likewise. * nis/nss_nisplus/nisplus-proto.c: Likewise. * nis/nss_nisplus/nisplus-publickey.c: Likewise. * nis/nss_nisplus/nisplus-pwd.c: Likewise. * nis/nss_nisplus/nisplus-rpc.c: Likewise. * nis/nss_nisplus/nisplus-service.c: Likewise. * nis/nss_nisplus/nisplus-spwd.c: Likewise. * nis/rpcsvc/nis.x: Include bits/nislib.h, not rpcsvc/nislib.h. * nis/rpcsvc/nis.h: Likewise. * inet/getnameinfo.c (nrl_domainname): Change return type to const char *. (getnameinfo): Change type of local variable c to const char *. * inet/inet_ntoa.c: Rewrite to use __libc_once for initialization. * stdlib/fmtmsg.c: Likewise. * intl/bindtextdom.c: Update from latest gettext. * intl/dcgettext.c: Likewise. * intl/finddomain.c: Likewise. * intl/l10nflist.c: Likewise. * intl/localealias.c: Likewise. * intl/textdomain.c: Likewise. * login/getutid_r.c: Remove parameter to setutent call. * login/getutline_r.c: Likewise. * posix/wordexp.c: Complete rewrite. Not fully implemented yet, though. Patch by Tim Waugh <tim@cyberelk.demon.co.uk>. * stdio-common/printf_fp.c: Remove relative include paths. * stdio-common/printf_fphex.c: Likewise. * sysdeps/generic/crypt.h: Cleanup. Don't define non standard elements unless __USE_GNU. * sysdeps/generic/vlimit.c: Pretty print. * sysdeps/generic/vtimes.c: Likewise. * sysdeps/i386/elf/bsd-_setjmp.S: New file. Empty dummy file. * sysdeps/i386/elf/bsd-setjmp.S: New file. Empty dummy file. * sysdeps/i386/elf/setjmp.S: New file. Define __setjmp and also weak definitions of setjmp and _setjmp. * sysdeps/i386/fpu/bits/mathinline.h: More patches by John Bowman. * sysdeps/stub/if_index.h: Set errno in all functions and add stub warnings. * sysdeps/stub/libc-lock.h: Add __libc_once. 1997-08-02 01:57 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/ptrace.c: Don't set errno in error case since the __syscall_ptrace call already did this. Reported by Philip Gladstone <philip@talon.raptor.com>. 1997-07-29 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/unix/sysv/linux/sys/fsuid.h: Change include <gnu/types.h> to <sys/types.h>. 1997-08-01 23:18 Ulrich Drepper <drepper@cygnus.com> * csu/defs.awk: Fix regexp for end and align. Patch by Klaus Espenlaub <kespenla@hydra.informatik.uni-ulm.de>. * locale/programs/localedef.c (print_escaped): New function. (show_info): Use print_escaped if strings can control unprintable characters. Patch by Jochen Hein <jochen.hein@delphi.central.de>. 1997-08-01 18:45 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nis/nss_nisplus/nisplus-alias.c: Fix NULL pointer problems * nis/nss_nisplus/nisplus-grp.c: Likewise. 1997-07-31 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/dl-profile.c (_dl_start_profile): Use _dl_sysdep_error instead of fprintf. 1997-07-31 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * manual/socket.texi (Host Address Functions): Fix arguments of @deftypefun. 1997-07-31 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/dl-runtime.c: Avoid warning about profile_fixup being unused. * sysdeps/m68k/dl-machine.h: Add support for shared library profiling. 1997-07-31 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * md5-crypt/Makefile (extra-objs): Add onlymd5-crypt.o for dependencies. 1997-07-31 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Make-dist (subdirs): Distribute both aout and elf. 1997-07-31 23:04 Mark Kettenis <kettenis@phys.uva.nl> * login/utmp-private.h: Remove reset argument from backend setutent. * login/getutent_r.c (__setutent): Allways call the setutent function in the daemon backend. (setutent_unknown): Function removed. (getutent_unknown, pututline_unknown): Call __setutent instead of setutent_unknown. * login/utmp_file.c (setutent_file): Removed reset argument. All callers changed. * login/utmp_daemon.c (setutent_daemon): Removed reset argument. All callers changed. Try to open connection even if a previous connection failed, but first check if the sockets exist in the filesystem. * login/utmp_daemon.c (pututline_daemon): Try to open connection before reporting failure. * login/programs/database.c (open_database): Create compatibility file if it does not already exist. Supply mode argument in open calls to guarantee that created files have the proper protection. * login/programs/utmpd.c (main): Remove files created by a previous `bind' before creating sockets. Suggested by a sun <asum@zoology.washington.edu>. 1997-07-29 Andreas Jaeger <aj@arthur.rhein-neckar.de> * math/libm-test.c: Remove unneeded function check_int_exec. * BUGS: Correct typos. * gmon/gmon.c: Add alias for monstartup, declare _strerror_internal. 1997-07-30 Andreas Jaeger <aj@arthur.rhein-neckar.de> * manual/socket.texi (Host Address Functions): Reformat inet_ntop entry to confirm with expected behaviour of some scripts. * libc.map: Add functions/variables in global namespace, remove wildcards. 1997-07-29 Andreas Jaeger <aj@arthur.rhein-neckar.de> * resolv/libresolv.map: Add variables and routines used by named, nslookup and other bind utils. * libc.map: Likewise. 1997-07-31 00:35 Philip Blundell <Philip.Blundell@pobox.com> * sysdeps/unix/sysv/linux/if_index.c: Rewrite to avoid using /proc filesystem. * inet/test_ifindex.c: New file. * inet/Makefile (tests): Add test_ifindex. 1997-08-01 04:25 Ulrich Drepper <drepper@cygnus.com> * nis/nss_nisplus/nisplus-parser.c: Fix another bug in the parser. Patch by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>. * manual/errno.texi: Fix typo. Reported by Erik Talvola <etalvo@sapient.com>. (write_hist): Remove dependency on 32 bit int.
178 lines
4.0 KiB
C
178 lines
4.0 KiB
C
/* Copyright (C) 1997 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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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <net/if.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <bits/libc-lock.h>
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/* Try to get a socket to talk to the kernel. */
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static int
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opensock (void)
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{
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/* Cache the last AF that worked, to avoid many redundant calls to
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socket(). */
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static int sock_af = -1;
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int fd = -1;
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__libc_lock_define_initialized (static, lock);
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if (sock_af != -1)
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{
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fd = socket (sock_af, SOCK_DGRAM, 0);
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if (fd != -1)
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return fd;
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}
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__libc_lock_lock (lock);
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if (sock_af != -1)
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fd = socket (sock_af, SOCK_DGRAM, 0);
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if (fd == -1)
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{
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fd = socket (sock_af = AF_INET6, SOCK_DGRAM, 0);
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if (fd < 0)
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fd = socket (sock_af = AF_INET, SOCK_DGRAM, 0);
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if (fd < 0)
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fd = socket (sock_af = AF_IPX, SOCK_DGRAM, 0);
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if (fd < 0)
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fd = socket (sock_af = AF_AX25, SOCK_DGRAM, 0);
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if (fd < 0)
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fd = socket (sock_af = AF_APPLETALK, SOCK_DGRAM, 0);
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}
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__libc_lock_unlock (lock);
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return fd;
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}
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unsigned int
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if_nametoindex (const char *ifname)
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{
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struct ifreq ifr;
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int fd = opensock ();
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if (fd < 0)
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return 0;
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strncpy (ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
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if (ioctl (fd, SIOGIFINDEX, &ifr) < 0)
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{
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close (fd);
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return 0;
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}
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close (fd);
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return ifr.ifr_ifindex;
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}
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void
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if_freenameindex (struct if_nameindex *ifn)
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{
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struct if_nameindex *ptr = ifn;
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while (ptr->if_name || ptr->if_index)
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{
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if (ptr->if_name)
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free (ptr->if_name);
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++ptr;
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}
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free (ifn);
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}
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struct if_nameindex *
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if_nameindex (void)
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{
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int fd = opensock ();
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struct ifconf ifc;
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unsigned int rq_ifs = 4, nifs, i;
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struct if_nameindex *idx = NULL;
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if (fd < 0)
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return NULL;
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ifc.ifc_buf = NULL;
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/* Read all the interfaces out of the kernel. */
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do
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{
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rq_ifs *= 2;
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ifc.ifc_len = rq_ifs * sizeof (struct ifreq);
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ifc.ifc_buf = realloc (ifc.ifc_buf, ifc.ifc_len);
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if (ifc.ifc_buf == NULL)
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{
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close(fd);
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return NULL;
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}
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if (ioctl (fd, SIOCGIFCONF, &ifc) < 0)
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goto jump;
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}
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while ((unsigned int) ifc.ifc_len == (rq_ifs * sizeof (struct ifreq)));
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nifs = ifc.ifc_len / sizeof (struct ifreq);
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ifc.ifc_buf = realloc (ifc.ifc_buf, ifc.ifc_len);
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idx = malloc ((nifs+1) * sizeof (struct if_nameindex));
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if (idx == NULL)
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goto jump;
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for (i = 0; i < nifs; ++i)
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{
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struct ifreq *ifr = &ifc.ifc_req[i];
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if ((idx[i].if_name = malloc (strlen (ifr->ifr_name)+1)) == NULL)
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{
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free (idx);
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idx = NULL;
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goto jump;
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}
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strcpy (idx[i].if_name, ifr->ifr_name);
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if (ioctl (fd, SIOGIFINDEX, ifr) < 0)
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{
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free (idx);
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idx = NULL;
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goto jump;
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}
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idx[i].if_index = ifr->ifr_ifindex;
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}
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idx[i].if_index = 0;
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idx[i].if_name = NULL;
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jump:
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free (ifc.ifc_buf);
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close (fd);
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return idx;
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}
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char *
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if_indextoname (unsigned int ifindex, char *ifname)
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{
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struct if_nameindex *idx = if_nameindex ();
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struct if_nameindex *p;
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for (p = idx; p->if_index || p->if_name; ++p)
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if (p->if_index == ifindex)
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{
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strncpy (ifname, p->if_name, IFNAMSIZ);
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if_freenameindex (idx);
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return ifname;
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}
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if_freenameindex (idx);
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return NULL;
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}
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