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/* $OpenBSD: tcfsrmgroup.c,v 1.10 2000/06/20 18:15:57 aaron 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 val;
gid_t gid = 0;
int have_gid = FALSE, be_verbose = FALSE;
/*
* Going to check the arguments
*/
while ((val = getopt(argn, argv, "hg:v")) != -1)
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':
printf(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 *)malloc(2048);
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");
exit(0);
}
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