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1 /* Authors: Karl MacMillan <kmacmillan@tresys.com>
2  *	    Joshua Brindle <jbrindle@tresys.com>
3  *	    Jason Tang <jtang@tresys.com>
4  *	    Christopher Ashworth <cashworth@tresys.com>
5  *
6  * Copyright (C) 2004-2006 Tresys Technology, LLC
7  * Copyright (C) 2005 Red Hat, Inc.
8  *
9  *  This library is free software; you can redistribute it and/or
10  *  modify it under the terms of the GNU Lesser General Public
11  *  License as published by the Free Software Foundation; either
12  *  version 2.1 of the License, or (at your option) any later version.
13  *
14  *  This library is distributed in the hope that it will be useful,
15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17  *  Lesser General Public License for more details.
18  *
19  *  You should have received a copy of the GNU Lesser General Public
20  *  License along with this library; if not, write to the Free Software
21  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
22  */
23 
24 #ifndef SEMANAGE_MODULE_STORE_H
25 #define SEMANAGE_MODULE_STORE_H
26 
27 #include <sys/time.h>
28 #include <sepol/module.h>
29 #include <sepol/cil/cil.h>
30 #include "handle.h"
31 
32 enum semanage_store_defs {
33 	SEMANAGE_ACTIVE,
34 	SEMANAGE_PREVIOUS,
35 	SEMANAGE_TMP,
36 	SEMANAGE_NUM_STORES
37 };
38 
39 /* sandbox filenames and paths */
40 enum semanage_sandbox_defs {
41 	SEMANAGE_TOPLEVEL,
42 	SEMANAGE_MODULES,
43 	SEMANAGE_LINKED,
44 	SEMANAGE_HOMEDIR_TMPL,
45 	SEMANAGE_FC_TMPL,
46 	SEMANAGE_COMMIT_NUM_FILE,
47 	SEMANAGE_IBPKEYS_LOCAL,
48 	SEMANAGE_IBENDPORTS_LOCAL,
49 	SEMANAGE_PORTS_LOCAL,
50 	SEMANAGE_INTERFACES_LOCAL,
51 	SEMANAGE_NODES_LOCAL,
52 	SEMANAGE_BOOLEANS_LOCAL,
53 	SEMANAGE_SEUSERS_LOCAL,
54 	SEMANAGE_SEUSERS_LINKED,
55 	SEMANAGE_USERS_BASE_LOCAL,
56 	SEMANAGE_USERS_EXTRA_LOCAL,
57 	SEMANAGE_USERS_EXTRA_LINKED,
58 	SEMANAGE_USERS_EXTRA,
59 	SEMANAGE_DISABLE_DONTAUDIT,
60 	SEMANAGE_PRESERVE_TUNABLES,
61 	SEMANAGE_MODULES_DISABLED,
62 	SEMANAGE_STORE_KERNEL,
63 	SEMANAGE_STORE_FC_LOCAL,
64 	SEMANAGE_STORE_FC_HOMEDIRS,
65 	SEMANAGE_STORE_FC,
66 	SEMANAGE_STORE_SEUSERS,
67 	SEMANAGE_STORE_NUM_PATHS
68 };
69 
70 enum semanage_final_defs {
71 	SEMANAGE_FINAL_TMP,
72 	SEMANAGE_FINAL_SELINUX,
73 	SEMANAGE_FINAL_NUM
74 };
75 
76 enum semanage_final_path_defs {
77 	SEMANAGE_FINAL_TOPLEVEL,
78 	SEMANAGE_FC,
79 	SEMANAGE_FC_BIN,
80 	SEMANAGE_FC_HOMEDIRS,
81 	SEMANAGE_FC_HOMEDIRS_BIN,
82 	SEMANAGE_FC_LOCAL,
83 	SEMANAGE_FC_LOCAL_BIN,
84 	SEMANAGE_KERNEL,
85 	SEMANAGE_NC,
86 	SEMANAGE_SEUSERS,
87 	SEMANAGE_FINAL_PATH_NUM
88 };
89 
90 /* FIXME: this needs to be made a module store specific init and the
91  * global configuration moved to another file.
92  */
93 char *semanage_conf_path(void);
94 
95 int semanage_check_init(semanage_handle_t *sh, const char *prefix);
96 
97 extern const char *semanage_fname(enum semanage_sandbox_defs file_enum);
98 
99 extern const char *semanage_path(enum semanage_store_defs store,
100 				 enum semanage_sandbox_defs file);
101 
102 extern const char *semanage_final_path(enum semanage_final_defs root,
103 				       enum semanage_final_path_defs suffix);
104 
105 int semanage_create_store(semanage_handle_t * sh, int create);
106 
107 int semanage_store_access_check(void);
108 
109 int semanage_remove_directory(const char *path);
110 
111 int semanage_mkdir(semanage_handle_t *sh, const char *path);
112 
113 int semanage_mkpath(semanage_handle_t *sh, const char *path);
114 
115 int semanage_make_sandbox(semanage_handle_t * sh);
116 
117 int semanage_make_final(semanage_handle_t * sh);
118 
119 int semanage_get_cil_paths(semanage_handle_t * sh, semanage_module_info_t *modinfos,
120 			       int len, char ***filenames);
121 
122 int semanage_get_active_modules(semanage_handle_t *sh,
123 			       semanage_module_info_t **modinfo, int *num_modules);
124 
125 
126 /* lock file routines */
127 int semanage_get_trans_lock(semanage_handle_t * sh);
128 int semanage_get_active_lock(semanage_handle_t * sh);
129 void semanage_release_trans_lock(semanage_handle_t * sh);
130 void semanage_release_active_lock(semanage_handle_t * sh);
131 int semanage_direct_get_serial(semanage_handle_t * sh);
132 
133 int semanage_load_files(semanage_handle_t * sh,
134 			    cil_db_t *cildb, char **filenames, int num_modules);
135 
136 int semanage_read_policydb(semanage_handle_t * sh,
137 			   sepol_policydb_t * policydb,
138 			   enum semanage_sandbox_defs file);
139 
140 int semanage_write_policydb(semanage_handle_t * sh,
141 			    sepol_policydb_t * policydb,
142 			    enum semanage_sandbox_defs file);
143 
144 int semanage_install_sandbox(semanage_handle_t * sh);
145 
146 int semanage_verify_modules(semanage_handle_t * sh,
147 			    char **module_filenames, int num_modules);
148 
149 int semanage_verify_linked(semanage_handle_t * sh);
150 int semanage_verify_kernel(semanage_handle_t * sh);
151 int semanage_split_fc(semanage_handle_t * sh);
152 
153 /* sort file context routines */
154 int semanage_fc_sort(semanage_handle_t * sh,
155 		     const char *buf,
156 		     size_t buf_len,
157 		     char **sorted_buf, size_t * sorted_buf_len);
158 
159 /* sort netfilter context routines */
160 int semanage_nc_sort(semanage_handle_t * sh,
161 		     const char *buf,
162 		     size_t buf_len,
163 		     char **sorted_buf, size_t * sorted_buf_len);
164 
165 int semanage_copy_file(const char *src, const char *dst, mode_t mode);
166 
167 #endif
168