/* $OpenBSD: tcfsrmgroup.c,v 1.4 2000/06/19 20:35:48 fgsch Exp $ */
/*
* Transparent Cryptographic File System (TCFS) for NetBSD
* Author and mantainer: Luigi Catuogno [luicat@tcfs.unisa.it]
*
* references: http://tcfs.dia.unisa.it
* tcfs-bsd@tcfs.unisa.it
*/
/*
* Base utility set v0.1
*/
#include <grp.h>
#include <stdio.h>
#include <stdlib.h>
#include <miscfs/tcfs/tcfs.h>
#include "tcfslib.h"
#include "tcfserrors.h"
char *rmgroup_usage="Usage: %s [OPTION]...
Remove a TCFS group from the TCFS group database.
-g <group> Specifies the TCFS group to be removed
-h Shows this help
-v Makes the output a little more verbose\n";
int
rmgroup_main (int argn, char *argv[])
{
int index, val;
gid_t gid;
int have_gid = FALSE, be_verbose = FALSE;
/*
* Going to check the arguments
*/
while ((val = getopt(argn, argv, "hg:v")) != EOF)
switch (val) {
case 'g':
gid = (gid_t)atoi(optarg);
if (!gid && optarg[0] != '0') { /* group name given */
struct group *group_id;
group_id=getgrnam(optarg);
if (!group_id)
tcfs_error (ER_CUSTOM, "Nonexistent group.");
gid=group_id->gr_gid;
}
have_gid=TRUE;
break;
case 'h':
show_usage (rmgroup_usage, argv[0]);
exit (OK);
case 'v':
be_verbose=TRUE;
break;
default:
fprintf (stderr, "Try %s --help for more informations.\n", argv[0]);
exit (ER_UNKOPT);
}
if (argn-optind)
tcfs_error (ER_UNKOPT, NULL);
if (!have_gid) {
char *buff = NULL;
int len;
buff = (char*)calloc(2048, sizeof(char));
if (!buff)
tcfs_error (ER_MEM, NULL);
printf ("Group id of the TCFS group to remove from the database: ");
fgets (buff,2048,stdin);
len = strlen(buff) - 1;
buff[len] = buff[len] == '\n' ? 0 : buff[len];
gid=(gid_t)atoi(buff);
if (!gid && optarg[0] != '0') { /* group name given */
struct group *group_id;
group_id = getgrnam(optarg);
if (!group_id)
tcfs_error (ER_CUSTOM, "Nonexistent group.");
gid=group_id->gr_gid;
}
if (gid <=0 )
tcfs_error (ER_CUSTOM, "A positive ID please!");
free (buff);
}
if (!tcfs_rmgroup (gid))
tcfs_error (ER_CUSTOM, "Wrong ID or an error as occurred.\n");
}