112 lines
3.2 KiB
C
112 lines
3.2 KiB
C
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/*****************************************************************************
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*
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* $Id: setupenv.c,v 1.2 2003/08/15 20:05:36 mbroek Exp $
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* Purpose ...............: MBSE BBS Shadow Password Suite
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* Original Source .......: Shadow Password Suite
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* Original Copyright ....: Julianne Frances Haugh and others.
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*
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*****************************************************************************
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* Copyright (C) 1997-2001
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*
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* Michiel Broek FIDO: 2:280/2802
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* Beekmansbos 10
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* 1971 BV IJmuiden
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* the Netherlands
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*
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* This file is part of MBSE BBS.
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*
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* This BBS is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* MBSE BBS is distributed in the hope that it will be useful, but
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* 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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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with MBSE BBS; see the file COPYING. If not, write to the Free
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* Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*****************************************************************************/
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/*
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* Separated from setup.c. --marekm
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*/
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#include "../config.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <syslog.h>
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#include "mblogin.h"
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#include <pwd.h>
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#include "getdef.h"
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#include "xmalloc.h"
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#include "env.h"
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#include "setupenv.h"
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/*
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* change to the user's home directory
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* set the HOME, SHELL, MAIL, PATH, and LOGNAME or USER environmental
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* variables.
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*/
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void setup_env(struct passwd *info)
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{
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char *cp;
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/*
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* Change the current working directory to be the home directory
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* of the user. It is a fatal error for this process to be unable
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* to change to that directory. There is no "default" home
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* directory.
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*
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* We no longer do it as root - should work better on NFS-mounted
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* home directories.
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*/
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if (chdir(info->pw_dir) == -1) {
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static char temp_pw_dir[] = "/";
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if (!getdef_bool("DEFAULT_HOME") || chdir("/") == -1) {
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fprintf(stderr, _("Unable to cd to \"%s\"\n"), info->pw_dir);
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syslog(LOG_WARNING, "unable to cd to `%s' for user `%s'\n", info->pw_dir, info->pw_name);
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closelog();
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exit (1);
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}
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puts(_("No directory, logging in with HOME=/"));
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info->pw_dir = temp_pw_dir;
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}
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/*
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* Create the HOME environmental variable and export it.
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*/
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addenv("HOME", info->pw_dir);
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/*
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* Create the SHELL environmental variable and export it.
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*/
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if (info->pw_shell == (char *) 0 || ! *info->pw_shell) {
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static char temp_pw_shell[] = "/bin/sh";
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info->pw_shell = temp_pw_shell;
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}
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addenv("SHELL", info->pw_shell);
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/*
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* Create the PATH environmental variable and export it.
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*/
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cp = getdef_str("ENV_PATH");
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addenv(cp ? cp : "PATH=/bin:/usr/bin", NULL);
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/*
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* Export the user name. For BSD derived systems, it's "USER", for
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* all others it's "LOGNAME". We set both of them.
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*/
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addenv("USER", info->pw_name);
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addenv("LOGNAME", info->pw_name);
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}
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