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fb19a1ec9e
1999-01-04 Philip Blundell <philb@gnu.org> * sysdeps/unix/sysv/linux/arm/register-dump.h: Correct widths of register values. * sysdeps/unix/sysv/linux/arm/sigcontextinfo.h: New file. * csu/version.c (banner): Update date. * elf/sprof.c: Likewise. * login/programs/utmpd.c: Likewise. * nss/getent.c: Likewise. * posix/getconf.c: Likewise. * Rules: Likewise. Remove rules to generate obsolete empty.{c,o*}.
512 lines
10 KiB
C
512 lines
10 KiB
C
/* Copyright (c) 1998, 1999 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1998.
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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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/* getent: get entries from administrative database
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supported databases: passwd, group, hosts, services, protocols
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and networks */
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#include <argp.h>
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#include <grp.h>
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#include <pwd.h>
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#include <ctype.h>
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#include <error.h>
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#include <libintl.h>
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#include <locale.h>
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#include <netdb.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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/* Get libc version number. */
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#include <version.h>
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#define PACKAGE _libc_intl_domainname
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/* Name and version of program. */
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static void print_version (FILE *stream, struct argp_state *state);
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void (*argp_program_version_hook) (FILE *, struct argp_state *) = print_version;
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/* Short description of parameters. */
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static const char args_doc[] = N_("database [key ...]");
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/* Short description of program. */
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static const char doc[] =
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N_("getent - get entries from administrative database.");
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/* Data structure to communicate with argp functions. */
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static struct argp argp = {
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NULL, NULL, args_doc, doc,
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};
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/* Print the version information. */
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static void
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print_version (FILE *stream, struct argp_state *state)
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{
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fprintf (stream, "getent (GNU %s) %s\n", PACKAGE, VERSION);
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fprintf (stream, gettext ("\
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Copyright (C) %s Free Software Foundation, Inc.\n\
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This is free software; see the source for copying conditions. There is NO\n\
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warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
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"), "1999");
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fprintf (stream, gettext ("Written by %s.\n"), "Thorsten Kukuk");
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}
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/* This is for group */
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static inline void
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print_group (struct group *grp)
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{
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unsigned int i = 0;
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printf ("%s:%s:%ld:", grp->gr_name ? grp->gr_name : "",
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grp->gr_passwd ? grp->gr_passwd : "",
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(unsigned long)grp->gr_gid);
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while (grp->gr_mem[i] != NULL)
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{
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fputs (grp->gr_mem[i], stdout);
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++i;
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if (grp->gr_mem[i] != NULL)
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fputs (",", stdout);
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}
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fputs ("\n", stdout);
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}
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static inline int
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group_keys (int number, char *key[])
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{
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int result = 0;
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int i;
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for (i = 0; i < number; ++i)
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{
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struct group *grp;
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if (isdigit (key[i][0]))
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grp = getgrgid (atol (key[i]));
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else
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grp = getgrnam (key[i]);
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if (grp == NULL)
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result = 2;
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else
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print_group (grp);
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}
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return result;
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}
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/* This is for networks */
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static inline void
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print_networks (struct netent *net)
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{
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unsigned int i;
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struct in_addr ip;
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ip.s_addr = htonl (net->n_net);
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fputs (net->n_name, stdout);
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for (i = strlen (net->n_name); i < 22; ++i)
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fputs (" ", stdout);
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fputs (inet_ntoa (ip), stdout);
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i = 0;
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while (net->n_aliases[i] != NULL)
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{
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fputs (" ", stdout);
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fputs (net->n_aliases[i], stdout);
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++i;
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if (net->n_aliases[i] != NULL)
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fputs (",", stdout);
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}
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fputs ("\n", stdout);
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}
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static inline int
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networks_keys (int number, char *key[])
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{
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int result = 0;
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int i;
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for (i = 0; i < number; ++i)
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{
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struct netent *net;
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if (isdigit (key[i][0]))
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net = getnetbyaddr (inet_addr (key[i]), AF_UNIX);
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else
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net = getnetbyname (key[i]);
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if (net == NULL)
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result = 2;
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else
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print_networks (net);
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}
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return result;
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}
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/* Now is all for passwd */
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static inline void
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print_passwd (struct passwd *pwd)
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{
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printf ("%s:%s:%ld:%ld:%s:%s:%s\n",
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pwd->pw_name ? pwd->pw_name : "",
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pwd->pw_passwd ? pwd->pw_passwd : "",
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(unsigned long)pwd->pw_uid,
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(unsigned long)pwd->pw_gid,
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pwd->pw_gecos ? pwd->pw_gecos : "",
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pwd->pw_dir ? pwd->pw_dir : "",
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pwd->pw_shell ? pwd->pw_shell : "");
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}
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static inline int
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passwd_keys (int number, char *key[])
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{
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int result = 0;
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int i;
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for (i = 0; i < number; ++i)
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{
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struct passwd *pwd;
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if (isdigit (key[i][0]))
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pwd = getpwuid (atol (key[i]));
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else
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pwd = getpwnam (key[i]);
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if (pwd == NULL)
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result = 2;
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else
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print_passwd (pwd);
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}
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return result;
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}
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/* This is for protocols */
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static inline void
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print_protocols (struct protoent *proto)
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{
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unsigned int i;
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fputs (proto->p_name, stdout);
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for (i = strlen (proto->p_name); i < 22; ++i)
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fputs (" ", stdout);
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printf ("%d", proto->p_proto);
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i = 0;
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while (proto->p_aliases[i] != NULL)
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{
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fputs (" ", stdout);
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fputs (proto->p_aliases[i], stdout);
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++i;
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}
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fputs ("\n", stdout);
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}
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static inline int
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protocols_keys (int number, char *key[])
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{
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int result = 0;
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int i;
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for (i = 0; i < number; ++i)
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{
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struct protoent *proto;
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if (isdigit (key[i][0]))
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proto = getprotobynumber (atol (key[i]));
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else
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proto = getprotobyname (key[i]);
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if (proto == NULL)
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result = 2;
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else
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print_protocols (proto);
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}
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return result;
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}
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/* This is for hosts */
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static inline void
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print_hosts (struct hostent *host)
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{
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unsigned int i;
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char *ip = inet_ntoa(* (struct in_addr *) host->h_addr_list[0]);
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fputs (ip, stdout);
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for (i = strlen (ip); i < 16; ++i)
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fputs (" ", stdout);
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fputs (host->h_name, stdout);
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i = 0;
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while (host->h_aliases[i] != NULL)
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{
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fputs (" ", stdout);
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fputs (host->h_aliases[i], stdout);
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++i;
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}
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fputs ("\n", stdout);
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}
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static inline int
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hosts_keys (int number, char *key[])
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{
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int result = 0;
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int i;
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for (i = 0; i < number; ++i)
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{
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struct hostent *host;
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if (isdigit (key[i][0]))
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{
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struct in_addr addr;
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addr.s_addr = inet_addr (key[i]);
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host = gethostbyaddr ((char *)&addr, sizeof (struct in_addr),
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AF_INET);
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}
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else
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host = gethostbyname (key[i]);
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if (host == NULL)
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result = 2;
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else
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print_hosts (host);
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}
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return result;
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}
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/* for services */
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static inline void
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print_services (struct servent *serv)
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{
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unsigned int i;
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fputs (serv->s_name, stdout);
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for (i = strlen (serv->s_name); i < 22; ++i)
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fputs (" ", stdout);
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printf ("%d/%s", ntohs (serv->s_port), serv->s_proto);
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i = 0;
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while (serv->s_aliases[i] != NULL)
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{
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fputs (" ", stdout);
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fputs (serv->s_aliases[i], stdout);
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++i;
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}
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fputs ("\n", stdout);
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}
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static inline int
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services_keys (int number, char *key[])
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{
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int result = 0;
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int i;
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for (i = 0; i < number; ++i)
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{
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struct servent *serv;
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char *proto = strchr (key[i], '/');
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if (proto == NULL)
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{
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setservent (0);
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if (isdigit (key[i][0]))
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{
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int port = htons (atol (key[i]));
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while ((serv = getservent ()) != NULL)
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if (serv->s_port == port)
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{
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print_services (serv);
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break;
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}
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}
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else
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{
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while ((serv = getservent ()) != NULL)
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if (strcmp (serv->s_name, key[i]) == 0)
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{
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print_services (serv);
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break;
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}
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}
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endservent ();
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}
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else
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{
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*proto++ = '\0';
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if (isdigit (key[i][0]))
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serv = getservbyport (atol (key[i]), proto);
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else
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serv = getservbyname (key[i], proto);
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if (serv == NULL)
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result = 2;
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else
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print_services (serv);
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}
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}
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return result;
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}
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/* the main function */
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int
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main (int argc, char *argv[])
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{
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int remaining;
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/* Set locale via LC_ALL. */
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setlocale (LC_ALL, "");
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/* Set the text message domain. */
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textdomain (PACKAGE);
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/* Parse and process arguments. */
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argp_parse (&argp, argc, argv, 0, &remaining, NULL);
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if ((argc - remaining) < 1)
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{
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error (0, 0, gettext ("wrong number of arguments"));
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argp_help (&argp, stdout, ARGP_HELP_SEE, program_invocation_short_name);
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return 1;
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}
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switch(argv[1][0])
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{
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case 'g': /* group */
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if (strcmp (argv[1], "group") == 0)
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{
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if (argc == 2)
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{
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struct group *grp;
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setgrent ();
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while ((grp = getgrent()) != NULL)
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print_group (grp);
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endgrent ();
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}
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else
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return group_keys (argc - 2, &argv[2]);
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}
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else
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goto error;
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break;
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case 'h': /* hosts */
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if (strcmp (argv[1], "hosts") == 0)
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{
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if (argc == 2)
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{
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struct hostent *host;
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sethostent (0);
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while ((host = gethostent()) != NULL)
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print_hosts (host);
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endhostent ();
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}
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else
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return hosts_keys (argc - 2, &argv[2]);
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}
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else
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goto error;
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break;
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case 'n': /* networks */
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if (strcmp (argv[1], "networks") == 0)
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{
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if (argc == 2)
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{
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struct netent *net;
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setnetent (0);
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while ((net = getnetent()) != NULL)
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print_networks (net);
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endnetent ();
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}
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else
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return networks_keys (argc - 2, &argv[2]);
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}
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else
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goto error;
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break;
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case 'p': /* passwd, protocols */
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if (strcmp (argv[1], "passwd") == 0)
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{
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if (argc == 2)
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{
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struct passwd *pwd;
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setpwent ();
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while ((pwd = getpwent()) != NULL)
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print_passwd (pwd);
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endpwent ();
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}
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else
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return passwd_keys (argc - 2, &argv[2]);
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}
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else if (strcmp (argv[1], "protocols") == 0)
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{
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if (argc == 2)
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{
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struct protoent *proto;
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setprotoent (0);
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while ((proto = getprotoent()) != NULL)
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print_protocols (proto);
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endprotoent ();
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}
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else
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return protocols_keys (argc - 2, &argv[2]);
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}
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else
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goto error;
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break;
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case 's': /* services */
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if (strcmp (argv[1], "services") == 0)
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{
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if (argc == 2)
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{
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struct servent *serv;
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setservent (0);
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while ((serv = getservent()) != NULL)
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print_services (serv);
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endservent ();
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}
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else
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return services_keys (argc - 2, &argv[2]);
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}
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else
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goto error;
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break;
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default:
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error:
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fprintf (stderr, _("Unknown database: %s\n"), argv[1]);
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argp_help (&argp, stdout, ARGP_HELP_SEE, program_invocation_short_name);
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return 1;
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}
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return 0;
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}
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