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lcmaps_plugin_example.c

Go to the documentation of this file.

/*                                                                                                            
 * Copyright (c) 2001 EU DataGrid.                                                                             
 * For license conditions see http://www.eu-datagrid.org/license.html                                          
 *
 * Copyright (c) 2001, 2002 by 
 *     Martijn Steenbakkers <martijn@nikhef.nl>,
 *     David Groep <davidg@nikhef.nl>,
 *     NIKHEF Amsterdam, the Netherlands
 */

/*\@{*/

/*****************************************************************************
                            Include header files
******************************************************************************/
#include "lcmaps_config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "lcmaps_modules.h"
#include "lcmaps_arguments.h"

/******************************************************************************
                                Definitions
******************************************************************************/

/******************************************************************************
                          Module specific prototypes
******************************************************************************/

/******************************************************************************
                       Define module specific variables
******************************************************************************/

/******************************************************************************
Function:   plugin_introspect
Description:
    return list of required arguments
Parameters:

Returns:
    LCMAPS_MOD_SUCCESS : succes
    LCMAPS_MOD_FAIL    : failure
******************************************************************************/
int plugin_introspect(
        int * argc,
        lcmaps_argument_t ** argv
)
{
    static lcmaps_argument_t argList[] = {
        { "job_request"  , "lcmaps_request_t" ,  1,   NULL},
        { "user_cred"    , "gss_cred_id_t"    ,  0,   NULL},
        { "user_dn"      , "char *"           ,  0,   NULL},
        { "job_request"  , "char *"           ,  0,   NULL},
        { NULL           , NULL               , -1,   NULL}
    };

    lcmaps_log_debug(1,"\tlcmaps_plugin_example-plugin_introspect(): introspecting\n");

    *argv = argList;
    *argc = lcmaps_cntArgs(argList);
    lcmaps_log_debug(1,"\tlcmaps_plugin_example-plugin_introspect(): address first argument: 0x%x\n",argList);

    return LCMAPS_MOD_SUCCESS;
}


/******************************************************************************
Function:   plugin_initialize
Description:
    Initialize plugin
Parameters:
    argc, argv
    argv[0]: the name of the plugin
Returns:
    LCMAPS_MOD_SUCCESS : succes
    LCMAPS_MOD_FAIL    : failure
    LCMAPS_MOD_NOFILE  : db file not found (will halt LCMAPS initialization)
******************************************************************************/
int plugin_initialize(
        int argc,
        char ** argv
)
{
    int i;

    lcmaps_log_debug(1,"\tlcmaps_plugin_example-plugin_initialize(): passed arguments:\n");
    for (i=0; i < argc; i++)
    {
        lcmaps_log_debug(2,"\tlcmaps_plugin_example-plugin_initialize(): arg %d is %s\n",
             i,argv[i]);
    }

    return LCMAPS_MOD_SUCCESS;
}

/******************************************************************************
Function:   plugin_run
Description:
    Gather credentials for LCMAPS
Parameters:
    argc: number of arguments
    argv: list of arguments
Returns:
    LCMAPS_MOD_SUCCESS: authorization succeeded
    LCMAPS_MOD_FAIL   : authorization failed
******************************************************************************/
int plugin_run(
        int argc,
        lcmaps_argument_t * argv
)
{
    lcmaps_request_t * prequest=NULL;
    gss_cred_id_t * pcred;
    gss_cred_id_t cred;

    char ** pstring;

    lcmaps_log_debug(1,"\tlcmaps_plugin_example-plugin_run():\n");

    /*
     * Try to get the ordered values:
     */
    if ( ( pstring = (char **) lcmaps_getArgValue("job_request", "char *", argc, argv) ) )
        lcmaps_log_debug(1,"\tlcmaps_plugin_example-plugin_run(): job_request: %s\n",*pstring);
    else
        lcmaps_log_debug(1,"\tlcmaps_plugin_example-plugin_run(): could not get value of job_request !\n");

    if ( ( pstring = (char **) lcmaps_getArgValue("user_dn", "char *", argc, argv) ) )
        lcmaps_log_debug(1,"\tlcmaps_plugin_example-plugin_run(): user_dn: %s\n",*pstring);
    else
        lcmaps_log_debug(1,"\tlcmaps_plugin_example-plugin_run(): could not get value of user_dn !\n");

    if ( ( prequest = (lcmaps_request_t *) lcmaps_getArgValue("job_request", "lcmaps_request_t", argc, argv) ) )
        lcmaps_log_debug(1,"\tlcmaps_plugin_example-plugin_run(): job_request: %s\n",*prequest);
    else
        lcmaps_log_debug(1,"\tlcmaps_plugin_example-plugin_run(): could not get value of job_request !\n");

    if ( ( pcred = (gss_cred_id_t *) lcmaps_getArgValue("user_cred", "gss_cred_id_t", argc, argv) ) )
    {
        lcmaps_log_debug(1,"\tlcmaps_plugin_example-plugin_run(): address user_cred: %p\n",pcred);
        lcmaps_log_debug(1,"\tlcmaps_plugin_example-plugin_run(): value user_cred: %p\n",*pcred);
        cred=*pcred;
        if (cred) {
            lcmaps_log_debug(1,"\tlcmaps_plugin_example-plugin_run(): inside value user_cred: %p\n",*(int *)(cred));
        }
    }
    else
        lcmaps_log_debug(1,"\tlcmaps_plugin_example-plugin_run(): could not get address of user_cred !\n");

    lcmaps_log_debug(1,"\tlcmaps_plugin_example-plugin_run(): address first argument: 0x%x\n",argv);

    /* succes */
    return LCMAPS_MOD_SUCCESS;

 fail_example:
    return LCMAPS_MOD_FAIL;
}

/******************************************************************************
Function:   plugin_terminate
Description:
    Terminate plugin
Parameters:

Returns:
    LCMAPS_MOD_SUCCESS : succes
    LCMAPS_MOD_FAIL    : failure
******************************************************************************/
int plugin_terminate()
{
    lcmaps_log_debug(1,"\tlcmaps_plugin_example-plugin_terminate(): terminating\n");

    return LCMAPS_MOD_SUCCESS;
}
/*\@}*/

/******************************************************************************
CVS Information:
    $Source: /cvs/fabric_mgt/gridification/lcmaps/modules/example/lcmaps_plugin_example.c,v $
    $Date: 2003/07/30 17:10:17 $
    $Revision: 1.8 $
    $Author: martijn $
******************************************************************************/

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