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1/*
2 *
3 * mdp - make dummy policy
4 *
5 * When pointed at a kernel tree, builds a dummy policy for that kernel
6 * with exactly one type with full rights to itself.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 *
22 * Copyright (C) IBM Corporation, 2006
23 *
24 * Authors: Serge E. Hallyn <serue@us.ibm.com>
25 */
26
27#include <stdio.h>
28#include <stdlib.h>
29#include <unistd.h>
30#include <string.h>
31
32static void usage(char *name)
33{
34 printf("usage: %s [-m] policy_file context_file\n", name);
35 exit(1);
36}
37
38/* Class/perm mapping support */
39struct security_class_mapping {
40 const char *name;
41 const char *perms[sizeof(unsigned) * 8 + 1];
42};
43
44#include "classmap.h"
45#include "initial_sid_to_string.h"
46
47int main(int argc, char *argv[])
48{
49 int i, j, mls = 0;
50 int initial_sid_to_string_len;
51 char **arg, *polout, *ctxout;
52
53 FILE *fout;
54
55 if (argc < 3)
56 usage(argv[0]);
57 arg = argv+1;
58 if (argc==4 && strcmp(argv[1], "-m") == 0) {
59 mls = 1;
60 arg++;
61 }
62 polout = *arg++;
63 ctxout = *arg;
64
65 fout = fopen(polout, "w");
66 if (!fout) {
67 printf("Could not open %s for writing\n", polout);
68 usage(argv[0]);
69 }
70
71 /* print out the classes */
72 for (i = 0; secclass_map[i].name; i++)
73 fprintf(fout, "class %s\n", secclass_map[i].name);
74 fprintf(fout, "\n");
75
76 initial_sid_to_string_len = sizeof(initial_sid_to_string) / sizeof (char *);
77 /* print out the sids */
78 for (i = 1; i < initial_sid_to_string_len; i++)
79 fprintf(fout, "sid %s\n", initial_sid_to_string[i]);
80 fprintf(fout, "\n");
81
82 /* print out the class permissions */
83 for (i = 0; secclass_map[i].name; i++) {
84 struct security_class_mapping *map = &secclass_map[i];
85 fprintf(fout, "class %s\n", map->name);
86 fprintf(fout, "{\n");
87 for (j = 0; map->perms[j]; j++)
88 fprintf(fout, "\t%s\n", map->perms[j]);
89 fprintf(fout, "}\n\n");
90 }
91 fprintf(fout, "\n");
92
93 /* NOW PRINT OUT MLS STUFF */
94 if (mls) {
95 printf("MLS not yet implemented\n");
96 exit(1);
97 }
98
99 /* types, roles, and allows */
100 fprintf(fout, "type base_t;\n");
101 fprintf(fout, "role base_r;\n");
102 fprintf(fout, "role base_r types { base_t };\n");
103 for (i = 0; secclass_map[i].name; i++)
104 fprintf(fout, "allow base_t base_t:%s *;\n",
105 secclass_map[i].name);
106 fprintf(fout, "user user_u roles { base_r };\n");
107 fprintf(fout, "\n");
108
109 /* default sids */
110 for (i = 1; i < initial_sid_to_string_len; i++)
111 fprintf(fout, "sid %s user_u:base_r:base_t\n", initial_sid_to_string[i]);
112 fprintf(fout, "\n");
113
114 fprintf(fout, "fs_use_xattr ext2 user_u:base_r:base_t;\n");
115 fprintf(fout, "fs_use_xattr ext3 user_u:base_r:base_t;\n");
116 fprintf(fout, "fs_use_xattr ext4 user_u:base_r:base_t;\n");
117 fprintf(fout, "fs_use_xattr jfs user_u:base_r:base_t;\n");
118 fprintf(fout, "fs_use_xattr xfs user_u:base_r:base_t;\n");
119 fprintf(fout, "fs_use_xattr reiserfs user_u:base_r:base_t;\n");
120 fprintf(fout, "fs_use_xattr jffs2 user_u:base_r:base_t;\n");
121 fprintf(fout, "fs_use_xattr gfs2 user_u:base_r:base_t;\n");
122 fprintf(fout, "fs_use_xattr lustre user_u:base_r:base_t;\n");
123
124 fprintf(fout, "fs_use_task eventpollfs user_u:base_r:base_t;\n");
125 fprintf(fout, "fs_use_task pipefs user_u:base_r:base_t;\n");
126 fprintf(fout, "fs_use_task sockfs user_u:base_r:base_t;\n");
127
128 fprintf(fout, "fs_use_trans mqueue user_u:base_r:base_t;\n");
129 fprintf(fout, "fs_use_trans devpts user_u:base_r:base_t;\n");
130 fprintf(fout, "fs_use_trans hugetlbfs user_u:base_r:base_t;\n");
131 fprintf(fout, "fs_use_trans tmpfs user_u:base_r:base_t;\n");
132 fprintf(fout, "fs_use_trans shm user_u:base_r:base_t;\n");
133
134 fprintf(fout, "genfscon proc / user_u:base_r:base_t\n");
135
136 fclose(fout);
137
138 fout = fopen(ctxout, "w");
139 if (!fout) {
140 printf("Wrote policy, but cannot open %s for writing\n", ctxout);
141 usage(argv[0]);
142 }
143 fprintf(fout, "/ user_u:base_r:base_t\n");
144 fprintf(fout, "/.* user_u:base_r:base_t\n");
145 fclose(fout);
146
147 return 0;
148}
1/*
2 *
3 * mdp - make dummy policy
4 *
5 * When pointed at a kernel tree, builds a dummy policy for that kernel
6 * with exactly one type with full rights to itself.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 *
22 * Copyright (C) IBM Corporation, 2006
23 *
24 * Authors: Serge E. Hallyn <serue@us.ibm.com>
25 */
26
27
28/* NOTE: we really do want to use the kernel headers here */
29#define __EXPORTED_HEADERS__
30
31#include <stdio.h>
32#include <stdlib.h>
33#include <unistd.h>
34#include <string.h>
35#include <sys/socket.h>
36
37static void usage(char *name)
38{
39 printf("usage: %s [-m] policy_file context_file\n", name);
40 exit(1);
41}
42
43/* Class/perm mapping support */
44struct security_class_mapping {
45 const char *name;
46 const char *perms[sizeof(unsigned) * 8 + 1];
47};
48
49#include "classmap.h"
50#include "initial_sid_to_string.h"
51
52int main(int argc, char *argv[])
53{
54 int i, j, mls = 0;
55 int initial_sid_to_string_len;
56 char **arg, *polout, *ctxout;
57
58 FILE *fout;
59
60 if (argc < 3)
61 usage(argv[0]);
62 arg = argv+1;
63 if (argc==4 && strcmp(argv[1], "-m") == 0) {
64 mls = 1;
65 arg++;
66 }
67 polout = *arg++;
68 ctxout = *arg;
69
70 fout = fopen(polout, "w");
71 if (!fout) {
72 printf("Could not open %s for writing\n", polout);
73 usage(argv[0]);
74 }
75
76 /* print out the classes */
77 for (i = 0; secclass_map[i].name; i++)
78 fprintf(fout, "class %s\n", secclass_map[i].name);
79 fprintf(fout, "\n");
80
81 initial_sid_to_string_len = sizeof(initial_sid_to_string) / sizeof (char *);
82 /* print out the sids */
83 for (i = 1; i < initial_sid_to_string_len; i++)
84 fprintf(fout, "sid %s\n", initial_sid_to_string[i]);
85 fprintf(fout, "\n");
86
87 /* print out the class permissions */
88 for (i = 0; secclass_map[i].name; i++) {
89 struct security_class_mapping *map = &secclass_map[i];
90 fprintf(fout, "class %s\n", map->name);
91 fprintf(fout, "{\n");
92 for (j = 0; map->perms[j]; j++)
93 fprintf(fout, "\t%s\n", map->perms[j]);
94 fprintf(fout, "}\n\n");
95 }
96 fprintf(fout, "\n");
97
98 /* NOW PRINT OUT MLS STUFF */
99 if (mls) {
100 printf("MLS not yet implemented\n");
101 exit(1);
102 }
103
104 /* types, roles, and allows */
105 fprintf(fout, "type base_t;\n");
106 fprintf(fout, "role base_r;\n");
107 fprintf(fout, "role base_r types { base_t };\n");
108 for (i = 0; secclass_map[i].name; i++)
109 fprintf(fout, "allow base_t base_t:%s *;\n",
110 secclass_map[i].name);
111 fprintf(fout, "user user_u roles { base_r };\n");
112 fprintf(fout, "\n");
113
114 /* default sids */
115 for (i = 1; i < initial_sid_to_string_len; i++)
116 fprintf(fout, "sid %s user_u:base_r:base_t\n", initial_sid_to_string[i]);
117 fprintf(fout, "\n");
118
119 fprintf(fout, "fs_use_xattr ext2 user_u:base_r:base_t;\n");
120 fprintf(fout, "fs_use_xattr ext3 user_u:base_r:base_t;\n");
121 fprintf(fout, "fs_use_xattr ext4 user_u:base_r:base_t;\n");
122 fprintf(fout, "fs_use_xattr jfs user_u:base_r:base_t;\n");
123 fprintf(fout, "fs_use_xattr xfs user_u:base_r:base_t;\n");
124 fprintf(fout, "fs_use_xattr reiserfs user_u:base_r:base_t;\n");
125 fprintf(fout, "fs_use_xattr jffs2 user_u:base_r:base_t;\n");
126 fprintf(fout, "fs_use_xattr gfs2 user_u:base_r:base_t;\n");
127 fprintf(fout, "fs_use_xattr lustre user_u:base_r:base_t;\n");
128
129 fprintf(fout, "fs_use_task eventpollfs user_u:base_r:base_t;\n");
130 fprintf(fout, "fs_use_task pipefs user_u:base_r:base_t;\n");
131 fprintf(fout, "fs_use_task sockfs user_u:base_r:base_t;\n");
132
133 fprintf(fout, "fs_use_trans mqueue user_u:base_r:base_t;\n");
134 fprintf(fout, "fs_use_trans devpts user_u:base_r:base_t;\n");
135 fprintf(fout, "fs_use_trans hugetlbfs user_u:base_r:base_t;\n");
136 fprintf(fout, "fs_use_trans tmpfs user_u:base_r:base_t;\n");
137 fprintf(fout, "fs_use_trans shm user_u:base_r:base_t;\n");
138
139 fprintf(fout, "genfscon proc / user_u:base_r:base_t\n");
140
141 fclose(fout);
142
143 fout = fopen(ctxout, "w");
144 if (!fout) {
145 printf("Wrote policy, but cannot open %s for writing\n", ctxout);
146 usage(argv[0]);
147 }
148 fprintf(fout, "/ user_u:base_r:base_t\n");
149 fprintf(fout, "/.* user_u:base_r:base_t\n");
150 fclose(fout);
151
152 return 0;
153}