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/* Cut down version of getent which only returns passwd and group database
entries and seems to compile on most systems without too much fuss.
Original copyright notice below. */
/* Copyright (c) 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1998.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 3 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
see <http://www.gnu.org/licenses/>. */
#include <stdio.h>
#include <pwd.h>
#include <grp.h>
group_keys (int number, char *key[])
{
int result = 0;
int i;
for (i = 0; i < number; ++i)
{
struct group *grp;
if (isdigit (key[i][0]))
grp = getgrgid (atol (key[i]));
else
grp = getgrnam (key[i]);
if (grp == NULL)
result = 2;
else
print_group (grp);
}
return result;
}
passwd_keys (int number, char *key[])
{
int result = 0;
int i;
for (i = 0; i < number; ++i)
{
struct passwd *pwd;
if (isdigit (key[i][0]))
pwd = getpwuid (atol (key[i]));
else
pwd = getpwnam (key[i]);
if (pwd == NULL)
result = 2;
else
print_passwd (pwd);
}
return result;
}
print_group (struct group *grp)
{
unsigned int i = 0;
printf ("%s:%s:%ld:", grp->gr_name ? grp->gr_name : "",
grp->gr_passwd ? grp->gr_passwd : "",
(unsigned long)grp->gr_gid);
while (grp->gr_mem[i] != NULL)
{
fputs (grp->gr_mem[i], stdout);
++i;
if (grp->gr_mem[i] != NULL)
fputs (",", stdout);
}
fputs ("\n", stdout);
}
print_passwd (struct passwd *pwd)
{
printf ("%s:%s:%ld:%ld:%s:%s:%s\n",
pwd->pw_name ? pwd->pw_name : "",
pwd->pw_passwd ? pwd->pw_passwd : "",
(unsigned long)pwd->pw_uid,
(unsigned long)pwd->pw_gid,
pwd->pw_gecos ? pwd->pw_gecos : "",
pwd->pw_dir ? pwd->pw_dir : "",
pwd->pw_shell ? pwd->pw_shell : "");
}
int main(int argc, char **argv)
{
switch(argv[1][0])
{
case 'g': /* group */
if (strcmp (argv[1], "group") == 0)
{
if (argc == 2)
{
struct group *grp;
setgrent ();
while ((grp = getgrent()) != NULL)
print_group (grp);
endgrent ();
}
else
return group_keys (argc - 2, &argv[2]);
}
else
goto error;
break;
case 'p': /* passwd, protocols */
if (strcmp (argv[1], "passwd") == 0)
{
if (argc == 2)
{
struct passwd *pwd;
setpwent ();
while ((pwd = getpwent()) != NULL)
print_passwd (pwd);
endpwent ();
}
else
return passwd_keys (argc - 2, &argv[2]);
}
else
goto error;
break;
default:
error:
fprintf (stderr, "Unknown database: %s\n", argv[1]);
return 1;
}
return 0;
}
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