Port over the last of the tinylogin applets

 -Erik

1 files changed, 0 insertions, 209 deletions

diff --git a/loginutils/tinylogin.c b/loginutils/tinylogin.c
deleted file mode 100644
index bd611fd70..000000000
--- a/loginutils/tinylogin.c
+++ /dev/null
@@ -1,209 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * Copyright 1989 - 1991, Julianne Frances Haugh <jockgrrl@austin.rr.com>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of Julianne F. Haugh nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY JULIE HAUGH AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL JULIE HAUGH OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include "busybox.h"
-
-#include <stdio.h>
-#include <errno.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdlib.h>
-#include <syslog.h>
-#include <ctype.h>
-
-#include "pwd.h"
-#include "grp.h"
-
-#ifdef CONFIG_FEATURE_SHADOWPASSWDS
-#include "shadow.h"
-#endif
-
-#define DEFAULT_LOGIN_PATH      "/bin:/usr/bin"
-#define DEFAULT_ROOT_LOGIN_PATH "/usr/sbin:/bin:/usr/bin:/sbin"
-
-
-static void xsetenv ( const char *key, const char *value )
-{
-	if ( setenv ( key, value, 1 ))
-		error_msg_and_die ( "out of memory" );
-}
-
-/* Become the user and group(s) specified by PW.  */
-
-void change_identity ( const struct passwd *pw )
-{
-	if ( initgroups ( pw-> pw_name, pw-> pw_gid ) == -1 )
-		perror_msg_and_die ( "cannot set groups" );
-	endgrent ( );
-
-	if ( setgid ( pw-> pw_gid ))
-		perror_msg_and_die ( "cannot set group id" );
-	if ( setuid ( pw->pw_uid ))
-		perror_msg_and_die ( "cannot set user id" );
-}
-
-/* Run SHELL, or DEFAULT_SHELL if SHELL is empty.
-   If COMMAND is nonzero, pass it to the shell with the -c option.
-   If ADDITIONAL_ARGS is nonzero, pass it to the shell as more
-   arguments.  */
-
-void run_shell ( const char *shell, int loginshell, const char *command, const char **additional_args )
-{
-	const char **args;
-	int argno = 1;
-	int additional_args_cnt = 0;
-	
-	for ( args = additional_args; args && *args; args++ )
-		additional_args_cnt++;
-
-	if ( additional_args )
-		args = (const char **) xmalloc (sizeof (char *) * ( 4  + additional_args_cnt ));
-	else
-		args = (const char **) xmalloc (sizeof (char *) * 4 );
-		
-	args [0] = get_last_path_component ( xstrdup ( shell ));
-	
-	if ( loginshell ) {
-		char *args0 = xmalloc ( xstrlen ( args [0] ) + 2 );
-		args0 [0] = '-';
-		strcpy ( args0 + 1, args [0] );
-		args [0] = args0;
-	}
-    
-	if ( command ) {
-		args [argno++] = "-c";
-		args [argno++] = command;
-	}
-	if ( additional_args ) {
-		for ( ; *additional_args; ++additional_args )
-			args [argno++] = *additional_args;
-	}
-	args [argno] = 0;
-	execv ( shell, (char **) args );
-	perror_msg_and_die ( "cannot run %s", shell );
-}
-
-/* Return 1 if SHELL is a restricted shell (one not returned by
-   getusershell), else 0, meaning it is a standard shell.  */
-
-int restricted_shell ( const char *shell )
-{
-	char *line;
-
-	setusershell ( );
-	while (( line = getusershell ( ))) {
-		if (( *line != '#' ) && ( strcmp ( line, shell ) == 0 ))
-			break;
-	}
-	endusershell ( );
-	return line ? 0 : 1;
-}
-
-/* Update `environ' for the new shell based on PW, with SHELL being
-   the value for the SHELL environment variable.  */
-
-void setup_environment ( const char *shell, int loginshell, int changeenv, const struct passwd *pw )
-{
-	if ( loginshell ) {
-		char *term;
-	
-		/* Change the current working directory to be the home directory
-		 * of the user.  It is a fatal error for this process to be unable
-		 * to change to that directory.  There is no "default" home
-		 * directory.
-		 * Some systems default to HOME=/
-		 */		 
-		if ( chdir ( pw-> pw_dir )) {
-			if ( chdir ( "/" )) {
-				syslog ( LOG_WARNING, "unable to cd to %s' for user %s'\n", pw-> pw_dir, pw-> pw_name );
-				error_msg_and_die ( "cannot cd to home directory or /" );
-			}
-			fputs ( "warning: cannot change to home directory\n", stderr );
-		}
-
-		/* Leave TERM unchanged.  Set HOME, SHELL, USER, LOGNAME, PATH.
-		   Unset all other environment variables.  */
-		term = getenv ("TERM");
-		clearenv ( );
-		if ( term )
-			xsetenv ( "TERM", term );
-		xsetenv ( "HOME",    pw-> pw_dir );
-		xsetenv ( "SHELL",   shell );
-		xsetenv ( "USER",    pw-> pw_name );
-		xsetenv ( "LOGNAME", pw-> pw_name );
-		xsetenv ( "PATH",    ( pw-> pw_uid ? DEFAULT_LOGIN_PATH : DEFAULT_ROOT_LOGIN_PATH ));
-	}
-	else if ( changeenv ) {
-		/* Set HOME, SHELL, and if not becoming a super-user,
-	   	   USER and LOGNAME.  */
-		xsetenv ( "HOME",  pw-> pw_dir );
-		xsetenv ( "SHELL", shell );
-		if  ( pw-> pw_uid ) {
-			xsetenv ( "USER",    pw-> pw_name );
-			xsetenv ( "LOGNAME", pw-> pw_name );
-		}
-	}
-}
-
-/* Ask the user for a password.
-   Return 1 if the user gives the correct password for entry PW,
-   0 if not.  Return 1 without asking for a password if run by UID 0
-   or if PW has an empty password.  */
-
-int correct_password ( const struct passwd *pw )
-{
-	char *unencrypted, *encrypted, *correct;
-	
-#ifdef CONFIG_FEATURE_SHADOWPASSWDS
-	if (( strcmp ( pw-> pw_passwd, "x" ) == 0 ) || ( strcmp ( pw-> pw_passwd, "*" ) == 0 )) {
-		struct spwd *sp = getspnam ( pw-> pw_name );
-		
-		if ( !sp )
-			error_msg_and_die ( "no valid shadow password" );
-		
-		correct = sp-> sp_pwdp;
-	}
-	else
-#endif
-    	correct = pw-> pw_passwd;
-
-	if ( correct == 0 || correct[0] == '\0' )
-		return 1;
-
-	unencrypted = getpass ( "Password: " );
-	if ( !unencrypted )
-	{
-		fputs ( "getpass: cannot open /dev/tty\n", stderr );
-		return 0;
-	}
-	encrypted = crypt ( unencrypted, correct );
-	memset ( unencrypted, 0, xstrlen ( unencrypted ));
-	return ( strcmp ( encrypted, correct ) == 0 ) ? 1 : 0;
-}