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- /*
- Unix SMB/Netbios implementation.
- Version 1.8.
- Copyright (C) Andrew Tridgell 1992,1993,1994
-
- 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, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
- #include "includes.h"
-
- /*
- This is a wrapper around the system call to allow commands to run correctly
- as non root from a program which is switching between root and non-root
-
- It takes one argument as argv[1] and runs it after becoming a non-root
- user
- */
- int main(int argc,char *argv[])
- {
- close(0);
- close(1);
- close(2);
-
- if (getuid() != geteuid())
- {
- int uid,gid;
-
- if (getuid() < geteuid())
- uid = geteuid();
- else
- uid = getuid();
-
- if (getgid() < getegid())
- gid = getegid();
- else
- gid = getgid();
-
- #ifdef USE_SETRES
- setresgid(0,0,0);
- setresuid(0,0,0);
- setresgid(gid,gid,gid);
- setresuid(uid,uid,uid);
- #else
- setuid(0);
- seteuid(0);
- setgid(gid);
- setegid(gid);
- setuid(uid);
- seteuid(uid);
- #endif
-
- if (getuid() != uid)
- return(3);
- }
-
- if (geteuid() != getuid())
- return(1);
-
- if (argc < 2)
- return(2);
-
- return(system(argv[1]));
- }
-