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      1 /* Author: Joshua Brindle <jbrindle (at) tresys.com>
      2  *         Jason Tang     <jtang (at) tresys.com>
      3  *         Ivan Gyurdiev  <ivg2 (at) cornell.edu>
      4  *
      5  * Copyright (C) 2005 Tresys Technology, LLC
      6  * Copyright (C) 2005 Red Hat Inc.
      7  *
      8  *  This library is free software; you can redistribute it and/or
      9  *  modify it under the terms of the GNU Lesser General Public
     10  *  License as published by the Free Software Foundation; either
     11  *  version 2.1 of the License, or (at your option) any later version.
     12  *
     13  *  This library 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 GNU
     16  *  Lesser General Public License for more details.
     17  *
     18  *  You should have received a copy of the GNU Lesser General Public
     19  *  License along with this library; if not, write to the Free Software
     20  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
     21  */
     22 
     23 #ifndef _SEMANAGE_INTERNAL_HANDLE_H_
     24 #define _SEMANAGE_INTERNAL_HANDLE_H_
     25 
     26 #include <stdint.h>
     27 #include <stddef.h>
     28 #include "handle_internal.h"
     29 #include <sepol/handle.h>
     30 #include "modules.h"
     31 #include "semanage_conf.h"
     32 #include "database.h"
     33 #include "direct_api.h"
     34 #include "policy.h"
     35 
     36 struct semanage_handle {
     37 	int con_id;		/* Connection ID */
     38 
     39 	/* Error handling */
     40 	int msg_level;
     41 	const char *msg_channel;
     42 	const char *msg_fname;
     43 #ifdef __GNUC__
     44 	__attribute__ ((format(printf, 3, 4)))
     45 #endif
     46 	void (*msg_callback) (void *varg,
     47 			      semanage_handle_t * handle, const char *fmt, ...);
     48 	void *msg_callback_arg;
     49 
     50 	/* Direct vs Server specific handle */
     51 	union {
     52 		struct semanage_direct_handle direct;
     53 	} u;
     54 
     55 	/* Libsepol handle */
     56 	sepol_handle_t *sepolh;
     57 
     58 	semanage_conf_t *conf;
     59 
     60 	uint16_t priority;
     61 	int is_connected;
     62 	int is_in_transaction;
     63 	int do_reload;		/* whether to reload policy after commit */
     64 	int do_rebuild;		/* whether to rebuild policy if there were no changes */
     65 	int modules_modified;
     66 	int create_store;	/* whether to create the store if it does not exist
     67 				 * this will only have an effect on direct connections */
     68 	int do_check_contexts;	/* whether to run setfiles check the file contexts file */
     69 
     70 	/* This timeout is used for transactions and waiting for lock
     71 	   -1 means wait indefinetely
     72 	   0 means return immediately
     73 	   >0 means wait that many seconds */
     74 	int timeout;
     75 
     76 	/* these function pointers will point to the appropriate
     77 	 * routine given the connection type.  think of these as
     78 	 * simulating polymorphism for non-OO languages. */
     79 	struct semanage_policy_table *funcs;
     80 
     81 	/* Object databases */
     82 #define DBASE_COUNT      24
     83 
     84 /* Local modifications */
     85 #define DBASE_LOCAL_USERS_BASE  0
     86 #define DBASE_LOCAL_USERS_EXTRA 1
     87 #define DBASE_LOCAL_USERS       2
     88 #define DBASE_LOCAL_PORTS       3
     89 #define DBASE_LOCAL_INTERFACES  4
     90 #define DBASE_LOCAL_BOOLEANS    5
     91 #define DBASE_LOCAL_FCONTEXTS	6
     92 #define DBASE_LOCAL_SEUSERS     7
     93 #define DBASE_LOCAL_NODES       8
     94 #define DBASE_LOCAL_IBPKEYS     9
     95 #define DBASE_LOCAL_IBENDPORTS  10
     96 
     97 /* Policy + Local modifications */
     98 #define DBASE_POLICY_USERS_BASE  11
     99 #define DBASE_POLICY_USERS_EXTRA 12
    100 #define DBASE_POLICY_USERS       13
    101 #define DBASE_POLICY_PORTS       14
    102 #define DBASE_POLICY_INTERFACES  15
    103 #define DBASE_POLICY_BOOLEANS    16
    104 #define DBASE_POLICY_FCONTEXTS   17
    105 #define DBASE_POLICY_FCONTEXTS_H 18
    106 #define DBASE_POLICY_SEUSERS     19
    107 #define DBASE_POLICY_NODES       20
    108 #define DBASE_POLICY_IBPKEYS     21
    109 #define DBASE_POLICY_IBENDPORTS  22
    110 
    111 /* Active kernel policy */
    112 #define DBASE_ACTIVE_BOOLEANS    23
    113 	dbase_config_t dbase[DBASE_COUNT];
    114 };
    115 
    116 /* === Local modifications === */
    117 static inline
    118     dbase_config_t * semanage_user_base_dbase_local(semanage_handle_t * handle)
    119 {
    120 	return &handle->dbase[DBASE_LOCAL_USERS_BASE];
    121 }
    122 
    123 static inline
    124     dbase_config_t * semanage_user_extra_dbase_local(semanage_handle_t * handle)
    125 {
    126 	return &handle->dbase[DBASE_LOCAL_USERS_EXTRA];
    127 }
    128 
    129 static inline
    130     dbase_config_t * semanage_user_dbase_local(semanage_handle_t * handle)
    131 {
    132 	return &handle->dbase[DBASE_LOCAL_USERS];
    133 }
    134 
    135 static inline
    136     dbase_config_t * semanage_port_dbase_local(semanage_handle_t * handle)
    137 {
    138 	return &handle->dbase[DBASE_LOCAL_PORTS];
    139 }
    140 
    141 static inline
    142     dbase_config_t * semanage_ibpkey_dbase_local(semanage_handle_t * handle)
    143 {
    144 	return &handle->dbase[DBASE_LOCAL_IBPKEYS];
    145 }
    146 
    147 static inline
    148     dbase_config_t * semanage_ibendport_dbase_local(semanage_handle_t * handle)
    149 {
    150 	return &handle->dbase[DBASE_LOCAL_IBENDPORTS];
    151 }
    152 
    153 static inline
    154     dbase_config_t * semanage_iface_dbase_local(semanage_handle_t * handle)
    155 {
    156 	return &handle->dbase[DBASE_LOCAL_INTERFACES];
    157 }
    158 
    159 static inline
    160     dbase_config_t * semanage_bool_dbase_local(semanage_handle_t * handle)
    161 {
    162 	return &handle->dbase[DBASE_LOCAL_BOOLEANS];
    163 }
    164 
    165 static inline
    166     dbase_config_t * semanage_fcontext_dbase_local(semanage_handle_t * handle)
    167 {
    168 	return &handle->dbase[DBASE_LOCAL_FCONTEXTS];
    169 }
    170 
    171 static inline
    172     dbase_config_t * semanage_seuser_dbase_local(semanage_handle_t * handle)
    173 {
    174 	return &handle->dbase[DBASE_LOCAL_SEUSERS];
    175 }
    176 
    177 static inline
    178     dbase_config_t * semanage_node_dbase_local(semanage_handle_t * handle)
    179 {
    180 	return &handle->dbase[DBASE_LOCAL_NODES];
    181 }
    182 
    183 /* === Policy + Local modifications === */
    184 static inline
    185     dbase_config_t * semanage_user_base_dbase_policy(semanage_handle_t * handle)
    186 {
    187 	return &handle->dbase[DBASE_POLICY_USERS_BASE];
    188 }
    189 
    190 static inline
    191     dbase_config_t * semanage_user_extra_dbase_policy(semanage_handle_t *
    192 						      handle)
    193 {
    194 	return &handle->dbase[DBASE_POLICY_USERS_EXTRA];
    195 }
    196 
    197 static inline
    198     dbase_config_t * semanage_user_dbase_policy(semanage_handle_t * handle)
    199 {
    200 	return &handle->dbase[DBASE_POLICY_USERS];
    201 }
    202 
    203 static inline
    204     dbase_config_t * semanage_port_dbase_policy(semanage_handle_t * handle)
    205 {
    206 	return &handle->dbase[DBASE_POLICY_PORTS];
    207 }
    208 
    209 static inline
    210     dbase_config_t * semanage_ibpkey_dbase_policy(semanage_handle_t * handle)
    211 {
    212 	return &handle->dbase[DBASE_POLICY_IBPKEYS];
    213 }
    214 
    215 static inline
    216     dbase_config_t * semanage_ibendport_dbase_policy(semanage_handle_t * handle)
    217 {
    218 	return &handle->dbase[DBASE_POLICY_IBENDPORTS];
    219 }
    220 
    221 static inline
    222     dbase_config_t * semanage_iface_dbase_policy(semanage_handle_t * handle)
    223 {
    224 	return &handle->dbase[DBASE_POLICY_INTERFACES];
    225 }
    226 
    227 static inline
    228     dbase_config_t * semanage_bool_dbase_policy(semanage_handle_t * handle)
    229 {
    230 	return &handle->dbase[DBASE_POLICY_BOOLEANS];
    231 }
    232 
    233 static inline
    234     dbase_config_t * semanage_fcontext_dbase_policy(semanage_handle_t * handle)
    235 {
    236 	return &handle->dbase[DBASE_POLICY_FCONTEXTS];
    237 }
    238 
    239 static inline
    240     dbase_config_t * semanage_fcontext_dbase_homedirs(semanage_handle_t * handle)
    241 {
    242 	return &handle->dbase[DBASE_POLICY_FCONTEXTS_H];
    243 }
    244 
    245 static inline
    246     dbase_config_t * semanage_seuser_dbase_policy(semanage_handle_t * handle)
    247 {
    248 	return &handle->dbase[DBASE_POLICY_SEUSERS];
    249 }
    250 
    251 static inline
    252     dbase_config_t * semanage_node_dbase_policy(semanage_handle_t * handle)
    253 {
    254 	return &handle->dbase[DBASE_POLICY_NODES];
    255 }
    256 
    257 /* === Active kernel policy === */
    258 static inline
    259     dbase_config_t * semanage_bool_dbase_active(semanage_handle_t * handle)
    260 {
    261 	return &handle->dbase[DBASE_ACTIVE_BOOLEANS];
    262 }
    263 
    264 #endif
    265