nis-util-group/check.cc

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//
// nis-util - NIS Administration Utilities
// Copyright (C) 2001, 2008, 2009, 2011, 2012 Peter Miller
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or (at
// your option) any later version.
//
// This program 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
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//

#include <lib/colon/group/slurp/check.h>
#include <lib/colon/passwd/functor/check_group_count.h>
#include <lib/colon/passwd/slurp.h>

#include <nis-util-group/check.h>


void
check(const rcstring &group_filename, const rcstring &passwd_filename)
{
    //
    // Read the password file.
    //
    colon_passwd_slurp::pointer psw =
        colon_passwd_slurp::create(passwd_filename);
    psw->read_and_process();

    //
    // Read the group file.
    //
    colon_group_slurp_check::pointer grp =
        colon_group_slurp_check::create(group_filename, psw);
    grp->read_and_process();

    //
    // Must be the MINIMUM of all NIS client maximums.  No point
    // asking whatever operating system we are currently on, it will
    // probably NOT be the minimum.
    //
    int max_groups_per_user = 16;
#if 0
    int n = sysconf(_SC_NGROUPS_MAX);
    if (n > 0)
        max_groups_per_user = n;
#endif
    colon_passwd_functor_check_group_count chk(max_groups_per_user);
    psw->walk(chk);
}


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