3 * mdp - make dummy policy
5 * When pointed at a kernel tree, builds a dummy policy for that kernel
6 * with exactly one type with full rights to itself.
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.
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.
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.
22 * Copyright (C) IBM Corporation, 2006
24 * Authors: Serge E. Hallyn <serue@us.ibm.com>
28 /* NOTE: we really do want to use the kernel headers here */
29 #define __EXPORTED_HEADERS__
36 static void usage(char *name)
38 printf("usage: %s [-m] policy_file context_file\n", name);
42 /* Class/perm mapping support */
43 struct security_class_mapping {
45 const char *perms[sizeof(unsigned) * 8 + 1];
49 #include "initial_sid_to_string.h"
51 int main(int argc, char *argv[])
54 int initial_sid_to_string_len;
55 char **arg, *polout, *ctxout;
62 if (argc==4 && strcmp(argv[1], "-m") == 0) {
69 fout = fopen(polout, "w");
71 printf("Could not open %s for writing\n", polout);
75 /* print out the classes */
76 for (i = 0; secclass_map[i].name; i++)
77 fprintf(fout, "class %s\n", secclass_map[i].name);
80 initial_sid_to_string_len = sizeof(initial_sid_to_string) / sizeof (char *);
81 /* print out the sids */
82 for (i = 1; i < initial_sid_to_string_len; i++)
83 fprintf(fout, "sid %s\n", initial_sid_to_string[i]);
86 /* print out the class permissions */
87 for (i = 0; secclass_map[i].name; i++) {
88 struct security_class_mapping *map = &secclass_map[i];
89 fprintf(fout, "class %s\n", map->name);
91 for (j = 0; map->perms[j]; j++)
92 fprintf(fout, "\t%s\n", map->perms[j]);
93 fprintf(fout, "}\n\n");
97 /* NOW PRINT OUT MLS STUFF */
99 printf("MLS not yet implemented\n");
103 /* types, roles, and allows */
104 fprintf(fout, "type base_t;\n");
105 fprintf(fout, "role base_r;\n");
106 fprintf(fout, "role base_r types { base_t };\n");
107 for (i = 0; secclass_map[i].name; i++)
108 fprintf(fout, "allow base_t base_t:%s *;\n",
109 secclass_map[i].name);
110 fprintf(fout, "user user_u roles { base_r };\n");
114 for (i = 1; i < initial_sid_to_string_len; i++)
115 fprintf(fout, "sid %s user_u:base_r:base_t\n", initial_sid_to_string[i]);
118 fprintf(fout, "fs_use_xattr ext2 user_u:base_r:base_t;\n");
119 fprintf(fout, "fs_use_xattr ext3 user_u:base_r:base_t;\n");
120 fprintf(fout, "fs_use_xattr ext4 user_u:base_r:base_t;\n");
121 fprintf(fout, "fs_use_xattr jfs user_u:base_r:base_t;\n");
122 fprintf(fout, "fs_use_xattr xfs user_u:base_r:base_t;\n");
123 fprintf(fout, "fs_use_xattr reiserfs user_u:base_r:base_t;\n");
124 fprintf(fout, "fs_use_xattr jffs2 user_u:base_r:base_t;\n");
125 fprintf(fout, "fs_use_xattr gfs2 user_u:base_r:base_t;\n");
126 fprintf(fout, "fs_use_xattr lustre user_u:base_r:base_t;\n");
128 fprintf(fout, "fs_use_task eventpollfs user_u:base_r:base_t;\n");
129 fprintf(fout, "fs_use_task pipefs user_u:base_r:base_t;\n");
130 fprintf(fout, "fs_use_task sockfs user_u:base_r:base_t;\n");
132 fprintf(fout, "fs_use_trans mqueue user_u:base_r:base_t;\n");
133 fprintf(fout, "fs_use_trans devpts user_u:base_r:base_t;\n");
134 fprintf(fout, "fs_use_trans hugetlbfs user_u:base_r:base_t;\n");
135 fprintf(fout, "fs_use_trans tmpfs user_u:base_r:base_t;\n");
136 fprintf(fout, "fs_use_trans shm user_u:base_r:base_t;\n");
138 fprintf(fout, "genfscon proc / user_u:base_r:base_t\n");
142 fout = fopen(ctxout, "w");
144 printf("Wrote policy, but cannot open %s for writing\n", ctxout);
147 fprintf(fout, "/ user_u:base_r:base_t\n");
148 fprintf(fout, "/.* user_u:base_r:base_t\n");