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Full Discussion: calling UNIX commands C/C++
Top Forums Programming calling UNIX commands C/C++ Post 302296378 by Asteroid on Wednesday 11th of March 2009 04:14:16 AM
Old 03-11-2009
calling UNIX commands C/C++
hi Guys,

I am planning to write a program which can be able to execute scripts/commands which needs a user to be root.

Note: we are not interested to use sudoers option.

.e.g. The requirement can be explaind as:

Quote:
/opt/VRTS/bin/hastatus -sum
A normal UNIX system user cannot execute above command(veritas cluster summary command) root previleages are required for its executions. so facilitating normal users (who donot know root passwords) to execute above command we can adopt a program. The program knows root password and should internally execute the above command.
A sample program could be like below. I need to know how and where to provide root password.

Any suggestions.

Code:
#include"stdlib.h"
void main()
{

string root_passwd= "mypassword123";
system("/opt/VRTS/bin/hastatus -sum");

}

Thanks and Regards
@ asteroid
 

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LEARN ABOUT DEBIAN

viewsudo

VIEW-OS(1)						      General Commands Manual							VIEW-OS(1)

NAME

       viewsudo - execute a command as another (virtual) user

SYNOPSIS

       viewsudo [-g groupname|#gid] [-u username|#uid] command

DESCRIPTION

       viewsudo allows a user to execute a command as the superuser or
	      another user in View-OS.

OPTIONS

       viewsudo accepts the following command line options:

       -g group
	   Normally,  viewsudo	sets the primary group to root.  The -g option causes sudo to run the specified command with the primary group set
	   to group.  To specify a gid instead of a group name, use #gid.  When running commands as a gid, many shells require	that  the  '#'	be
	   escaped  with  a  backslash	('[u2019]).   If  no -u option is specified, the command will be run as the invoking user (not root).	In
	   either case, the primary group will be set to group.

       -u user
	   The -u option causes viewsudo to run the specified command as a user other than root.  To specify a uid instead of  a  user	name,  use
	   #uid.  When running commands as a uid, many shells require that the '#' be escaped with a backslash ('[u2019]).

RETURN VALUES

       Upon successful execution of a program, the exit status from viewsudo will simply be the exit status of the program that was executed.

SEE ALSO

       viewsu(1), sudo(1), linux.defs(5)

AUTHORS

       View-OS is a project of the Computer Science Department, University of Bologna. Project Leader: Renzo Davoli.
       <http://www.sourceforge.net/projects/view-os>

       Howto's and further information can be found on the project wiki <wiki.virtualsquare.org>.

NOTE

       Most part of the text is taken from sudo(1).

VIEW-OS: a process with a view					  August 8, 2009							VIEW-OS(1)
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