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/* ========================================================================
* Copyright 1988-2006 University of Washington
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
*
* ========================================================================
*/
/*
* Program: OSF/1 (Digital UNIX) 4 login
*
* Author: Mark Crispin
* Networks and Distributed Computing
* Computing & Communications
* University of Washington
* Administration Building, AG-44
* Seattle, WA 98195
* Internet: MRC@CAC.Washington.EDU
*
* Date: 1 August 1988
* Last Edited: 30 August 2006
*/
/* Log in
* Accepts: login passwd struct
* argument count
* argument vector
* Returns: T if success, NIL otherwise
*/
long loginpw (struct passwd *pw,int argc,char *argv[])
{
int i;
char *s;
char *name = cpystr (pw->pw_name);
char *host = cpystr (tcp_clienthost ());
uid_t uid = pw->pw_uid;
long ret = NIL;
/* tie off address */
if (s = strchr (host,' ')) *s = '\0';
if (*host == '[') { /* convert [a.b.c.d] to a.b.c.d */
memmove (host,host+1,i = strlen (host + 2));
host[i] = '\0';
}
if (sia_become_user (checkpw_collect,argc,argv,host,name,NIL,NIL,NIL,NIL,
SIA_BEU_REALLOGIN|SIA_BEU_OKROOTDIR) != SIASUCCESS)
setreuid (0,0); /* make sure have root again */
/* probable success, complete login */
else ret = (!setreuid (0,0) && !setuid (uid));
fs_give ((void **) &name);
fs_give ((void **) &host);
return ret;
}
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