1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
/* $OpenBSD: tcfsrmkey.c,v 1.6 2000/06/20 08:59:53 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 <sys/types.h>
#include <sys/param.h>
#include <sys/mount.h>
#include <ctype.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <miscfs/tcfs/tcfs.h>
#include "tcfslib.h"
#include "tcfserrors.h"
#include <grp.h>
extern char *optarg;
extern int optind;
char *rmkey_usage=
"usage: tcfsrmkey [-f fliesystem-label][-g group][-p mount-point]\n";
int
rmkey_main(int argc, char *argv[])
{
uid_t uid;
gid_t gid = 0;
int es = 0;
char x;
char fslabel[MAXPATHLEN], fspath[MAXPATHLEN];
int havempname = FALSE, havefsname = FALSE, isgroupkey = FALSE;
int havename = FALSE, havefspath = FALSE;
while ((x = getopt(argc, argv, "f:p:g:")) != EOF) {
switch(x) {
case 'p':
havempname = TRUE;
strlcpy(fspath, optarg, sizeof(fspath));
break;
case 'f':
havefsname = TRUE;
strlcpy(fslabel, optarg, sizeof(fslabel));
break;
case 'g':
isgroupkey = TRUE;
gid = atoi(optarg);
if (!gid && optarg[0] != 0) {
struct group *grp;
grp = (struct group *)getgrnam(optarg);
if (!grp)
tcfs_error(ER_CUSTOM,
"Nonexistant group\n");
gid = grp->gr_gid;
}
break;
default:
tcfs_error(ER_CUSTOM, rmkey_usage);
exit(ER_UNKOPT);
}
}
if (argc-optind)
tcfs_error(ER_UNKOPT, NULL);
if (havefsname && havempname)
tcfs_error(ER_CUSTOM, rmkey_usage);
if (havefsname) {
es = tcfs_getfspath(fslabel, fspath);
havename = TRUE;
}
if (havefspath)
havename = TRUE;
if (!havename)
es = tcfs_getfspath("default", fspath);
if(!es) {
tcfs_error(ER_CUSTOM, "fs-label not found!\n");
exit(1);
}
uid = getuid();
if (isgroupkey) {
es = tcfs_group_disable(fspath, uid, gid);
if(es == -1)
tcfs_error(ER_CUSTOM, "problems updating filesystem");
exit(0);
}
es = tcfs_user_disable(fspath, uid);
if (es == -1)
tcfs_error(ER_CUSTOM, "problems updating filesystem");
exit(0);
}
|
