static int semanage_direct_begintrans(semanage_handle_t *sh) {
if (semanage_access_check(sh) != SEMANAGE_CAN_WRITE) {
return -1;
}
if (semanage_get_trans_lock(sh) < 0) {
return -1;
}
if ((semanage_make_sandbox(sh)) < 0) {
return -1;
}
return 0;
}
static int sss_semanage_init(semanage_handle_t **_handle)
{
int ret;
semanage_handle_t *handle = NULL;
handle = semanage_handle_create();
if (!handle) {
DEBUG(SSSDBG_CRIT_FAILURE, "Cannot create SELinux management handle\n");
ret = EIO;
goto done;
}
semanage_msg_set_callback(handle,
sss_semanage_error_callback,
NULL);
ret = sss_is_selinux_managed(handle);
if (ret != EOK) {
goto done;
}
ret = semanage_access_check(handle);
if (ret < SEMANAGE_CAN_READ) {
DEBUG(SSSDBG_CRIT_FAILURE, "Cannot read SELinux policy store\n");
ret = EACCES;
goto done;
}
ret = semanage_connect(handle);
if (ret != 0) {
DEBUG(SSSDBG_CRIT_FAILURE,
"Cannot estabilish SELinux management connection\n");
ret = EIO;
goto done;
}
ret = EOK;
done:
if (ret != EOK) {
sss_semanage_close(handle);
} else {
*_handle = handle;
}
return ret;
}
int semanage_direct_is_managed(semanage_handle_t *sh) {
char polpath[PATH_MAX];
snprintf(polpath, PATH_MAX, "%s%s", selinux_path(), sh->conf->store_path);
if (semanage_check_init(polpath))
goto err;
if (semanage_access_check(sh) < 0)
return 0;
return 1;
err:
ERR(sh, "could not check whether policy is managed");
return STATUS_ERR;
}
static semanage_handle_t *semanage_init (void)
{
int ret;
semanage_handle_t *handle = NULL;
handle = semanage_handle_create ();
if (NULL == handle) {
fprintf (stderr,
_("Cannot create SELinux management handle\n"));
return NULL;
}
semanage_msg_set_callback (handle, semanage_error_callback, NULL);
ret = semanage_is_managed (handle);
if (ret != 1) {
fprintf (stderr, _("SELinux policy not managed\n"));
goto fail;
}
ret = semanage_access_check (handle);
if (ret < SEMANAGE_CAN_READ) {
fprintf (stderr, _("Cannot read SELinux policy store\n"));
goto fail;
}
ret = semanage_connect (handle);
if (ret != 0) {
fprintf (stderr,
_("Cannot establish SELinux management connection\n"));
goto fail;
}
ret = semanage_begin_transaction (handle);
if (ret != 0) {
fprintf (stderr, _("Cannot begin SELinux transaction\n"));
goto fail;
}
return handle;
fail:
semanage_handle_destroy (handle);
return NULL;
}
static semanage_handle_t *sss_semanage_init(void)
{
int ret;
semanage_handle_t *handle = NULL;
handle = semanage_handle_create();
if (!handle) {
DEBUG(SSSDBG_CRIT_FAILURE, "Cannot create SELinux management handle\n");
return NULL;
}
semanage_msg_set_callback(handle,
sss_semanage_error_callback,
NULL);
ret = semanage_is_managed(handle);
if (ret != 1) {
DEBUG(SSSDBG_CRIT_FAILURE, "SELinux policy not managed\n");
goto fail;
}
ret = semanage_access_check(handle);
if (ret < SEMANAGE_CAN_READ) {
DEBUG(SSSDBG_CRIT_FAILURE, "Cannot read SELinux policy store\n");
goto fail;
}
ret = semanage_connect(handle);
if (ret != 0) {
DEBUG(SSSDBG_CRIT_FAILURE,
"Cannot estabilish SELinux management connection\n");
goto fail;
}
return handle;
fail:
sss_semanage_close(handle);
return NULL;
}
int main(int argc, char *argv[])
{
int i, commit = 0;
int result;
int status = EXIT_FAILURE;
char *genhomedirconargv[] = { "genhomedircon", "-B", "-n" };
create_signal_handlers();
if (strcmp(basename(argv[0]), "genhomedircon") == 0) {
argc = 3;
argv=genhomedirconargv;
}
parse_command_line(argc, argv);
if (build)
commit = 1;
sh = semanage_handle_create();
if (!sh) {
fprintf(stderr, "%s: Could not create semanage handle\n",
argv[0]);
goto cleanup_nohandle;
}
if (store) {
/* Set the store we want to connect to, before connecting.
* this will always set a direct connection now, an additional
* option will need to be used later to specify a policy server
* location */
semanage_select_store(sh, store, SEMANAGE_CON_DIRECT);
}
/* if installing base module create store if necessary, for bootstrapping */
semanage_set_create_store(sh, create_store);
if (!create_store) {
if (!semanage_is_managed(sh)) {
fprintf(stderr,
"%s: SELinux policy is not managed or store cannot be accessed.\n",
argv[0]);
goto cleanup;
}
if (semanage_access_check(sh) < SEMANAGE_CAN_READ) {
fprintf(stderr, "%s: Cannot read policy store.\n",
argv[0]);
goto cleanup;
}
}
if ((result = semanage_connect(sh)) < 0) {
fprintf(stderr, "%s: Could not connect to policy handler\n",
argv[0]);
goto cleanup;
}
if (reload) {
if ((result = semanage_reload_policy(sh)) < 0) {
fprintf(stderr, "%s: Could not reload policy\n",
argv[0]);
goto cleanup;
}
}
if (build) {
if ((result = semanage_begin_transaction(sh)) < 0) {
fprintf(stderr, "%s: Could not begin transaction: %s\n",
argv[0], errno ? strerror(errno) : "");
goto cleanup;
}
}
for (i = 0; i < num_commands; i++) {
enum client_modes mode = commands[i].mode;
char *mode_arg = commands[i].arg;
switch (mode) {
case INSTALL_M:{
if (verbose) {
printf
("Attempting to install module '%s':\n",
mode_arg);
}
result =
semanage_module_install_file(sh, mode_arg);
break;
}
case UPGRADE_M:{
if (verbose) {
printf
("Attempting to upgrade module '%s':\n",
mode_arg);
}
result =
semanage_module_upgrade_file(sh, mode_arg);
break;
}
case BASE_M:{
if (verbose) {
printf
("Attempting to install base module '%s':\n",
mode_arg);
}
result =
semanage_module_install_base_file(sh, mode_arg);
break;
}
case ENABLE_M:{
if (verbose) {
printf
("Attempting to enable module '%s':\n",
mode_arg);
}
result = semanage_module_enable(sh, mode_arg);
if ( result == -2 ) {
continue;
}
break;
}
case DISABLE_M:{
if (verbose) {
printf
("Attempting to disable module '%s':\n",
mode_arg);
}
result = semanage_module_disable(sh, mode_arg);
if ( result == -2 ) {
continue;
}
break;
}
case REMOVE_M:{
if (verbose) {
printf
("Attempting to remove module '%s':\n",
mode_arg);
}
result = semanage_module_remove(sh, mode_arg);
if ( result == -2 ) {
continue;
}
break;
}
case LIST_M:{
semanage_module_info_t *modinfo;
int num_modules;
if (verbose) {
printf
("Attempting to list active modules:\n");
}
if ((result =
semanage_module_list(sh, &modinfo,
&num_modules)) >= 0) {
int j;
if (num_modules == 0) {
printf("No modules.\n");
}
for (j = 0; j < num_modules; j++) {
semanage_module_info_t *m =
semanage_module_list_nth
(modinfo, j);
printf("%s\t%s\t%s\n",
semanage_module_get_name
(m),
semanage_module_get_version
(m),
(semanage_module_get_enabled(m) ? "" : "Disabled"));
semanage_module_info_datum_destroy
(m);
}
free(modinfo);
}
break;
}
default:{
fprintf(stderr,
"%s: Unknown mode specified.\n",
argv[0]);
usage(argv[0]);
goto cleanup;
}
}
commit += do_commit[mode];
if (result < 0) {
fprintf(stderr, "%s: Failed on %s!\n", argv[0],
mode_arg ? : "list");
goto cleanup;
} else if (verbose) {
/* Check that the module store exists, creating it if necessary.
*/
int semanage_direct_connect(semanage_handle_t *sh) {
char polpath[PATH_MAX];
snprintf(polpath, PATH_MAX, "%s%s", selinux_path(), sh->conf->store_path);
if (semanage_check_init(polpath))
goto err;
if (sh->create_store)
if (semanage_create_store(sh, 1))
goto err;
if (semanage_access_check(sh) < SEMANAGE_CAN_READ)
goto err;
sh->u.direct.translock_file_fd = -1;
sh->u.direct.activelock_file_fd = -1;
/* set up function pointers */
sh->funcs = &direct_funcs;
/* Object databases: local modifications */
if (user_base_file_dbase_init(sh,
semanage_fname(SEMANAGE_USERS_BASE_LOCAL),
semanage_user_base_dbase_local(sh)) < 0)
goto err;
if (user_extra_file_dbase_init(sh,
semanage_fname(SEMANAGE_USERS_EXTRA_LOCAL),
semanage_user_extra_dbase_local(sh)) < 0)
goto err;
if (user_join_dbase_init(sh,
semanage_user_base_dbase_local(sh),
semanage_user_extra_dbase_local(sh),
semanage_user_dbase_local(sh)) < 0)
goto err;
if (port_file_dbase_init(sh,
semanage_fname(SEMANAGE_PORTS_LOCAL),
semanage_port_dbase_local(sh)) < 0)
goto err;
if (iface_file_dbase_init(sh,
semanage_fname(SEMANAGE_INTERFACES_LOCAL),
semanage_iface_dbase_local(sh)) < 0)
goto err;
if (bool_file_dbase_init(sh,
semanage_fname(SEMANAGE_BOOLEANS_LOCAL),
semanage_bool_dbase_local(sh)) < 0)
goto err;
if (fcontext_file_dbase_init(sh,
semanage_fname(SEMANAGE_FC_LOCAL),
semanage_fcontext_dbase_local(sh)) < 0)
goto err;
if (seuser_file_dbase_init(sh,
semanage_fname(SEMANAGE_SEUSERS_LOCAL),
semanage_seuser_dbase_local(sh)) < 0)
goto err;
if (node_file_dbase_init(sh,
semanage_fname(SEMANAGE_NODES_LOCAL),
semanage_node_dbase_local(sh)) < 0)
goto err;
/* Object databases: local modifications + policy */
if (user_base_policydb_dbase_init(sh,
semanage_user_base_dbase_policy(sh)) < 0)
goto err;
if (user_extra_file_dbase_init(sh,
semanage_fname(SEMANAGE_USERS_EXTRA),
semanage_user_extra_dbase_policy(sh)) < 0)
goto err;
if (user_join_dbase_init(sh,
semanage_user_base_dbase_policy(sh),
semanage_user_extra_dbase_policy(sh),
semanage_user_dbase_policy(sh)) < 0)
goto err;
if (port_policydb_dbase_init(sh, semanage_port_dbase_policy(sh)) < 0)
goto err;
if (iface_policydb_dbase_init(sh, semanage_iface_dbase_policy(sh)) < 0)
goto err;
if (bool_policydb_dbase_init(sh, semanage_bool_dbase_policy(sh)) < 0)
goto err;
if (fcontext_file_dbase_init(sh,
semanage_fname(SEMANAGE_FC),
semanage_fcontext_dbase_policy(sh)) < 0)
goto err;
if (seuser_file_dbase_init(sh,
semanage_fname(SEMANAGE_SEUSERS),
semanage_seuser_dbase_policy(sh)) < 0)
goto err;
if (node_policydb_dbase_init(sh, semanage_node_dbase_policy(sh)) < 0)
goto err;
/* Active kernel policy */
if (bool_activedb_dbase_init(sh, semanage_bool_dbase_active(sh)) < 0)
goto err;
return STATUS_SUCCESS;
err:
ERR(sh, "could not establish direct connection");
sepol_handle_destroy(sh->sepolh);
return STATUS_ERR;
}
