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/* Cut down version of getent which only returns passwd and group database
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entries and seems to compile on most systems without too much fuss.
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Original copyright notice below. */
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/* Copyright (c) 1998, 1999, 2000 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@suse.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 Lesser General Public License as
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published by the Free Software Foundation; either version 3 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 Lesser General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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see <http://www.gnu.org/licenses/>. */
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group_keys (int number, char *key[])
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for (i = 0; i < number; ++i)
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if (isdigit (key[i][0]))
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grp = getgrgid (atol (key[i]));
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grp = getgrnam (key[i]);
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passwd_keys (int number, char *key[])
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for (i = 0; i < number; ++i)
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if (isdigit (key[i][0]))
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pwd = getpwuid (atol (key[i]));
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pwd = getpwnam (key[i]);
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print_group (struct group *grp)
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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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fputs (grp->gr_mem[i], stdout);
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if (grp->gr_mem[i] != NULL)
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print_passwd (struct passwd *pwd)
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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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int main(int argc, char **argv)
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case 'g': /* group */
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if (strcmp (argv[1], "group") == 0)
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while ((grp = getgrent()) != NULL)
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return group_keys (argc - 2, &argv[2]);
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case 'p': /* passwd, protocols */
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if (strcmp (argv[1], "passwd") == 0)
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while ((pwd = getpwent()) != NULL)
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return passwd_keys (argc - 2, &argv[2]);
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fprintf (stderr, "Unknown database: %s\n", argv[1]);