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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
/*
* sestatus -- displays the status of SELinux
*
* Ported to busybox: KaiGai Kohei <kaigai@ak.jp.nec.com>
*
* Copyright (C) KaiGai Kohei <kaigai@ak.jp.nec.com>
*
* Licensed under GPLv2, see file LICENSE in this source tree.
*/
#include "libbb.h"
extern char *selinux_mnt;
#define OPT_VERBOSE (1 << 0)
#define OPT_BOOLEAN (1 << 1)
#define COL_FMT "%-31s "
static void display_boolean(void)
{
char **bools;
int i, active, pending, nbool;
if (security_get_boolean_names(&bools, &nbool) < 0)
return;
puts("\nPolicy booleans:");
for (i = 0; i < nbool; i++) {
active = security_get_boolean_active(bools[i]);
if (active < 0)
goto skip;
pending = security_get_boolean_pending(bools[i]);
if (pending < 0)
goto skip;
printf(COL_FMT "%s",
bools[i], active == 0 ? "off" : "on");
if (active != pending)
printf(" (%sactivate pending)", pending == 0 ? "in" : "");
bb_putchar('\n');
skip:
if (ENABLE_FEATURE_CLEAN_UP)
free(bools[i]);
}
if (ENABLE_FEATURE_CLEAN_UP)
free(bools);
}
static void read_config(char **pc, int npc, char **fc, int nfc)
{
char *buf;
parser_t *parser;
int pc_ofs = 0, fc_ofs = 0, section = -1;
pc[0] = fc[0] = NULL;
parser = config_open("/etc/sestatus.conf");
while (config_read(parser, &buf, 1, 1, "# \t", PARSE_NORMAL)) {
if (strcmp(buf, "[process]") == 0) {
section = 1;
} else if (strcmp(buf, "[files]") == 0) {
section = 2;
} else {
if (section == 1 && pc_ofs < npc -1) {
pc[pc_ofs++] = xstrdup(buf);
pc[pc_ofs] = NULL;
} else if (section == 2 && fc_ofs < nfc - 1) {
fc[fc_ofs++] = xstrdup(buf);
fc[fc_ofs] = NULL;
}
}
}
config_close(parser);
}
static void display_verbose(void)
{
security_context_t con, _con;
char *fc[50], *pc[50], *cterm;
pid_t *pidList;
int i;
read_config(pc, ARRAY_SIZE(pc), fc, ARRAY_SIZE(fc));
/* process contexts */
puts("\nProcess contexts:");
/* current context */
if (getcon(&con) == 0) {
printf(COL_FMT "%s\n", "Current context:", con);
if (ENABLE_FEATURE_CLEAN_UP)
freecon(con);
}
/* /sbin/init context */
if (getpidcon(1, &con) == 0) {
printf(COL_FMT "%s\n", "Init context:", con);
if (ENABLE_FEATURE_CLEAN_UP)
freecon(con);
}
/* [process] context */
for (i = 0; pc[i] != NULL; i++) {
pidList = find_pid_by_name(bb_basename(pc[i]));
if (pidList[0] > 0 && getpidcon(pidList[0], &con) == 0) {
printf(COL_FMT "%s\n", pc[i], con);
if (ENABLE_FEATURE_CLEAN_UP)
freecon(con);
}
if (ENABLE_FEATURE_CLEAN_UP)
free(pidList);
}
/* files contexts */
puts("\nFile contexts:");
cterm = xmalloc_ttyname(0);
//FIXME: if cterm == NULL, we segfault!??
puts(cterm);
if (cterm && lgetfilecon(cterm, &con) >= 0) {
printf(COL_FMT "%s\n", "Controlling term:", con);
if (ENABLE_FEATURE_CLEAN_UP)
freecon(con);
}
for (i = 0; fc[i] != NULL; i++) {
struct stat stbuf;
if (lgetfilecon(fc[i], &con) < 0)
continue;
if (lstat(fc[i], &stbuf) == 0) {
if (S_ISLNK(stbuf.st_mode)) {
if (getfilecon(fc[i], &_con) >= 0) {
printf(COL_FMT "%s -> %s\n", fc[i], _con, con);
if (ENABLE_FEATURE_CLEAN_UP)
freecon(_con);
}
} else {
printf(COL_FMT "%s\n", fc[i], con);
}
}
if (ENABLE_FEATURE_CLEAN_UP)
freecon(con);
}
}
int sestatus_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int sestatus_main(int argc UNUSED_PARAM, char **argv)
{
unsigned opts;
const char *pol_path;
int rc;
opt_complementary = "?0"; /* no arguments are required. */
opts = getopt32(argv, "vb");
/* SELinux status: line */
rc = is_selinux_enabled();
if (rc < 0)
goto error;
printf(COL_FMT "%s\n", "SELinux status:",
rc == 1 ? "enabled" : "disabled");
/* SELinuxfs mount: line */
if (!selinux_mnt)
goto error;
printf(COL_FMT "%s\n", "SELinuxfs mount:",
selinux_mnt);
/* Current mode: line */
rc = security_getenforce();
if (rc < 0)
goto error;
printf(COL_FMT "%s\n", "Current mode:",
rc == 0 ? "permissive" : "enforcing");
/* Mode from config file: line */
if (selinux_getenforcemode(&rc) != 0)
goto error;
printf(COL_FMT "%s\n", "Mode from config file:",
rc < 0 ? "disabled" : (rc == 0 ? "permissive" : "enforcing"));
/* Policy version: line */
rc = security_policyvers();
if (rc < 0)
goto error;
printf(COL_FMT "%u\n", "Policy version:", rc);
/* Policy from config file: line */
pol_path = selinux_policy_root();
if (!pol_path)
goto error;
printf(COL_FMT "%s\n", "Policy from config file:",
bb_basename(pol_path));
if (opts & OPT_BOOLEAN)
display_boolean();
if (opts & OPT_VERBOSE)
display_verbose();
return 0;
error:
bb_perror_msg_and_die("libselinux returns unknown state");
}
|
