static NTSTATUS gp_extension_init_module(TALLOC_CTX *mem_ctx,
const char *name,
struct gp_extension **gpext)
{
NTSTATUS status;
struct gp_extension *ext = NULL;
ext = talloc_zero(mem_ctx, struct gp_extension);
NT_STATUS_HAVE_NO_MEMORY(gpext);
ext->methods = get_methods_by_name(extensions, name);
if (!ext->methods) {
status = smb_probe_module(SAMBA_SUBSYSTEM_GPEXT,
name);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
ext->methods = get_methods_by_name(extensions, name);
if (!ext->methods) {
return NT_STATUS_DLL_INIT_FAILED;
}
}
*gpext = ext;
return NT_STATUS_OK;
}
static void test_samba_module_probe(void **state)
{
NTSTATUS status;
status = smb_probe_module("auth", "skel");
assert_true(NT_STATUS_IS_OK(status));
}
/**
* Is a named pipe known?
* @param[in] pipename Just the filename
* @result Do we want to serve this?
*/
bool is_known_pipename(const char *pipename, struct ndr_syntax_id *syntax)
{
NTSTATUS status;
if (lp_disable_spoolss() && strequal(pipename, "spoolss")) {
DEBUG(10, ("refusing spoolss access\n"));
return false;
}
if (rpc_srv_get_pipe_interface_by_cli_name(pipename, syntax)) {
return true;
}
status = smb_probe_module("rpc", pipename);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(10, ("is_known_pipename: %s unknown\n", pipename));
return false;
}
DEBUG(10, ("is_known_pipename: %s loaded dynamically\n", pipename));
/*
* Scan the list again for the interface id
*/
if (rpc_srv_get_pipe_interface_by_cli_name(pipename, syntax)) {
return true;
}
DEBUG(10, ("is_known_pipename: pipe %s did not register itself!\n",
pipename));
return false;
}
bool load_auth_module(struct auth_context *auth_context,
const char *module, auth_methods **ret)
{
static bool initialised_static_modules = False;
struct auth_init_function_entry *entry;
char *module_name = smb_xstrdup(module);
char *module_params = NULL;
char *p;
bool good = False;
/* Initialise static modules if not done so yet */
if(!initialised_static_modules) {
static_init_auth;
initialised_static_modules = True;
}
DEBUG(5,("load_auth_module: Attempting to find an auth method to match %s\n",
module));
p = strchr(module_name, ':');
if (p) {
*p = 0;
module_params = p+1;
trim_char(module_params, ' ', ' ');
}
trim_char(module_name, ' ', ' ');
entry = auth_find_backend_entry(module_name);
if (entry == NULL) {
if (NT_STATUS_IS_OK(smb_probe_module("auth", module_name))) {
entry = auth_find_backend_entry(module_name);
}
}
if (entry != NULL) {
if (!NT_STATUS_IS_OK(entry->init(auth_context, module_params, ret))) {
DEBUG(0,("load_auth_module: auth method %s did not correctly init\n",
module_name));
} else {
DEBUG(5,("load_auth_module: auth method %s has a valid init\n",
module_name));
good = True;
}
} else {
DEBUG(0,("load_auth_module: can't find auth method %s!\n", module_name));
}
SAFE_FREE(module_name);
return good;
}
static void test_samba_module_probe_dummy(void **state)
{
const char *module_env;
NTSTATUS status;
status = smb_probe_module("rpc", "test_dummy_module");
assert_true(NT_STATUS_IS_OK(status));
module_env = getenv("UNITTEST_DUMMY_MODULE_LOADED");
assert_non_null(module_env);
assert_string_equal(module_env, "TRUE");
}
/**
* Initialize a domain structure
* @param[in] mem_ctx memory context for the result
* @param[in] domainname which domain is this for
* @param[in] modulename which backend module
* @param[in] params parameter to pass to the init function
* @result The initialized structure
*/
static struct idmap_domain *idmap_init_domain(TALLOC_CTX *mem_ctx,
const char *domainname,
const char *modulename,
const char *params)
{
struct idmap_domain *result;
NTSTATUS status;
result = talloc_zero(mem_ctx, struct idmap_domain);
if (result == NULL) {
DEBUG(0, ("talloc failed\n"));
return NULL;
}
result->name = talloc_strdup(result, domainname);
if (result->name == NULL) {
DEBUG(0, ("talloc failed\n"));
goto fail;
}
result->methods = get_methods(modulename);
if (result->methods == NULL) {
DEBUG(3, ("idmap backend %s not found\n", modulename));
status = smb_probe_module("idmap", modulename);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(3, ("Could not probe idmap module %s\n",
modulename));
goto fail;
}
result->methods = get_methods(modulename);
}
if (result->methods == NULL) {
DEBUG(1, ("idmap backend %s not found\n", modulename));
goto fail;
}
status = result->methods->init(result, params);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("idmap initialization returned %s\n",
nt_errstr(status)));
goto fail;
}
talloc_set_destructor(result, close_domain_destructor);
return result;
fail:
TALLOC_FREE(result);
return NULL;
}
BOOL idmap_init(const char **remote_backend)
{
if (!backends)
static_init_idmap;
if (!cache_map) {
cache_map = get_methods("tdb", True);
if (!cache_map) {
DEBUG(0, ("idmap_init: could not find tdb cache backend!\n"));
return False;
}
if (!NT_STATUS_IS_OK(cache_map->init( NULL ))) {
DEBUG(0, ("idmap_init: could not initialise tdb cache backend!\n"));
return False;
}
}
if ((remote_map == NULL) && (remote_backend != NULL) &&
(*remote_backend != NULL) && (**remote_backend != '\0')) {
char *rem_backend = smb_xstrdup(*remote_backend);
fstring params = "";
char *pparams;
/* get any mode parameters passed in */
if ( (pparams = strchr( rem_backend, ':' )) != NULL ) {
*pparams = '\0';
pparams++;
fstrcpy( params, pparams );
}
DEBUG(3, ("idmap_init: using '%s' as remote backend\n", rem_backend));
if((remote_map = get_methods(rem_backend, False)) ||
(NT_STATUS_IS_OK(smb_probe_module("idmap", rem_backend)) &&
(remote_map = get_methods(rem_backend, False)))) {
if (!NT_STATUS_IS_OK(remote_map->init(params))) {
DEBUG(0, ("idmap_init: failed to initialize remote backend!\n"));
return False;
}
} else {
DEBUG(0, ("idmap_init: could not load remote backend '%s'\n", rem_backend));
SAFE_FREE(rem_backend);
return False;
}
SAFE_FREE(rem_backend);
}
return True;
}
static void test_samba_module_probe_slash(void **state)
{
char dummy_module_path[4096] = {0};
const char *module_env;
NTSTATUS status;
snprintf(dummy_module_path,
sizeof(dummy_module_path),
"%s/bin/modules/rpc/test_dummy_module.so",
SRCDIR);
status = smb_probe_module("rpc", dummy_module_path);
assert_true(NT_STATUS_IS_ERR(status));
module_env = getenv("UNITTEST_DUMMY_MODULE_LOADED");
assert_null(module_env);
}
/**
* Initialize a domain structure
* @param[in] mem_ctx memory context for the result
* @param[in] domainname which domain is this for
* @param[in] modulename which backend module
* @param[in] check_range whether range checking should be done
* @result The initialized structure
*/
static struct idmap_domain *idmap_init_domain(TALLOC_CTX *mem_ctx,
const char *domainname,
const char *modulename,
bool check_range)
{
struct idmap_domain *result;
NTSTATUS status;
char *config_option = NULL;
const char *range;
result = talloc_zero(mem_ctx, struct idmap_domain);
if (result == NULL) {
DEBUG(0, ("talloc failed\n"));
return NULL;
}
result->name = talloc_strdup(result, domainname);
if (result->name == NULL) {
DEBUG(0, ("talloc failed\n"));
goto fail;
}
/*
* load ranges and read only information from the config
*/
config_option = talloc_asprintf(result, "idmap config %s",
result->name);
if (config_option == NULL) {
DEBUG(0, ("Out of memory!\n"));
goto fail;
}
range = lp_parm_const_string(-1, config_option, "range", NULL);
if (range == NULL) {
DEBUG(1, ("idmap range not specified for domain %s\n",
result->name));
if (check_range) {
goto fail;
}
} else if (sscanf(range, "%u - %u", &result->low_id,
&result->high_id) != 2)
{
DEBUG(1, ("invalid range '%s' specified for domain "
"'%s'\n", range, result->name));
if (check_range) {
goto fail;
}
}
result->read_only = lp_parm_bool(-1, config_option, "read only", false);
talloc_free(config_option);
if (result->low_id > result->high_id) {
DEBUG(1, ("Error: invalid idmap range detected: %lu - %lu\n",
(unsigned long)result->low_id,
(unsigned long)result->high_id));
if (check_range) {
goto fail;
}
}
result->methods = get_methods(modulename);
if (result->methods == NULL) {
DEBUG(3, ("idmap backend %s not found\n", modulename));
status = smb_probe_module("idmap", modulename);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(3, ("Could not probe idmap module %s\n",
modulename));
goto fail;
}
result->methods = get_methods(modulename);
}
if (result->methods == NULL) {
DEBUG(1, ("idmap backend %s not found\n", modulename));
goto fail;
}
status = result->methods->init(result);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("idmap initialization returned %s\n",
nt_errstr(status)));
goto fail;
}
return result;
fail:
TALLOC_FREE(result);
return NULL;
}
static NTSTATUS multisam_init(struct pdb_methods **pdb_method, const char *location)
{
NTSTATUS nt_status;
int i;
struct multisam_data *data;
multisam_debug_level = debug_add_class("multisam");
if (multisam_debug_level == -1) {
multisam_debug_level = DBGC_ALL;
DEBUG(0,
("multisam: Couldn't register custom debugging class!\n"));
}
if ( !NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method )) ) {
return nt_status;
}
data = talloc(*pdb_method, struct multisam_data);
(*pdb_method)->private_data = data;
/* Create default_methods with default functions (as in pdb_interface.c) */
if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( &(data->default_methods)))) {
DEBUG(0, ("Could not create default pdb_method\n"));
return nt_status;
}
(*pdb_method)->name = "multisam";
/* Mandatory implementation */
(*pdb_method)->setsampwent = multisam_setsampwent;
(*pdb_method)->endsampwent = multisam_endsampwent;
(*pdb_method)->getsampwent = multisam_getsampwent;
(*pdb_method)->getsampwnam = multisam_getsampwnam;
(*pdb_method)->getsampwsid = multisam_getsampwsid;
(*pdb_method)->add_sam_account = multisam_add_sam_account;
(*pdb_method)->update_sam_account = multisam_update_sam_account;
(*pdb_method)->delete_sam_account = multisam_delete_sam_account;
(*pdb_method)->rename_sam_account = multisam_rename_sam_account;
(*pdb_method)->rid_algorithm = multisam_rid_algorithm;
(*pdb_method)->new_rid = multisam_dummy_new_rid;
(*pdb_method)->create_user = multisam_create_user;
(*pdb_method)->delete_user = multisam_delete_user;
(*pdb_method)->uid_to_rid = multisam_uid_to_rid;
(*pdb_method)->gid_to_sid = multisam_gid_to_sid;
(*pdb_method)->sid_to_id = multisam_sid_to_id;
/* Not yet implemented here */
#if 0
(*pdb_method)->update_login_attempts = multisam_update_login_attempts;
(*pdb_method)->getgrsid = multisam_getgrsid;
(*pdb_method)->getgrgid = multisam_getgrgid;
(*pdb_method)->getgrnam = multisam_getgrnam;
(*pdb_method)->create_dom_group = multisam_create_dom_group;
(*pdb_method)->delete_dom_group = multisam_delete_dom_group;
(*pdb_method)->enum_group_mapping = multisam_enum_group_mapping;
(*pdb_method)->enum_group_members = multisam_enum_group_members;
(*pdb_method)->enum_group_memberships = multisam_enum_group_memberships;
(*pdb_method)->add_groupmem = multisam_add_groupmem;
(*pdb_method)->del_groupmem = multisam_del_groupmem;
(*pdb_method)->find_alias = multisam_find_alias;
(*pdb_method)->create_alias = multisam_create_alias;
(*pdb_method)->delete_alias = multisam_delete_alias;
(*pdb_method)->get_aliasinfo = multisam_get_aliasinfo;
(*pdb_method)->set_aliasinfo = multisam_set_aliasinfo;
(*pdb_method)->add_aliasmem = multisam_add_aliasmem;
(*pdb_method)->del_aliasmem = multisam_del_aliasmem;
(*pdb_method)->enum_aliasmem = multisam_enum_aliasmem;
(*pdb_method)->enum_alias_memberships = multisam_alias_memberships;
(*pdb_method)->lookup_rids = multisam_lookup_rids;
(*pdb_method)->get_account_policy = multisam_get_account_policy;
(*pdb_method)->set_account_policy = multisam_set_account_policy;
(*pdb_method)->get_seq_num = multisam_get_seq_num;
(*pdb_method)->search_users = multisam_search_users;
(*pdb_method)->search_groups = multisam_search_groups;
(*pdb_method)->search_aliases = multisam_search_aliases;
#endif
if (!location) {
DEBUG(0, ("No identifier specified. Check the Samba HOWTO Collection for details\n"));
return NT_STATUS_INVALID_PARAMETER;
}
data->location = talloc_strdup(data, location);
data->names = str_list_make_talloc(data, data->location, NULL);
data->num_backends = str_list_count((const char **)data->names);
data->locations = talloc_array(data, char *, data->num_backends);
data->methods = talloc_array(data, struct pdb_methods *, data->num_backends);
for (i = 0; i < data->num_backends; i++) {
struct pdb_init_function_entry *entry = NULL;
data->locations[i] = strchr(data->names[i], ':');
if (data->locations[i]) {
*(data->locations[i]) = '\0';
data->locations[i]++;
}
entry = pdb_find_backend_entry(data->names[i]);
if (!entry) {
DEBUG(2,("No builtin backend found, trying to load plugin\n"));
if(NT_STATUS_IS_OK(smb_probe_module("pdb", data->names[i])) && !(entry = pdb_find_backend_entry(data->names[i]))) {
DEBUG(0,("Plugin is available, but doesn't register passdb backend %s\n", data->names[i]));
return NT_STATUS_UNSUCCESSFUL;
}
}
if (!entry) {
DEBUG(0, ("Unable to find multisam backend %d: %s\n", i, data->names[i]));
return NT_STATUS_UNSUCCESSFUL;
}
DEBUG(2, ("Found entry point. Loading multisam backend %d: %s\n", i, data->names[i]));
nt_status = entry->init(&data->methods[i], data->locations[i]);
if (NT_STATUS_IS_ERR(nt_status)) {
return nt_status;
}
/* These functions are only used on LDAP now.. */
if (!IS_DEFAULT(data->methods[i], add_group_mapping_entry))
(*pdb_method)->add_group_mapping_entry = multisam_add_group_mapping_entry;
if (!IS_DEFAULT(data->methods[i], update_group_mapping_entry))
(*pdb_method)->update_group_mapping_entry = multisam_update_group_mapping_entry;
if (!IS_DEFAULT(data->methods[i], delete_group_mapping_entry))
(*pdb_method)->delete_group_mapping_entry = multisam_delete_group_mapping_entry;
}
return NT_STATUS_OK;
}
static bool api_pipe_bind_req(struct pipes_struct *p,
struct ncacn_packet *pkt)
{
struct dcerpc_auth auth_info = {0};
uint16_t assoc_gid;
unsigned int auth_type = DCERPC_AUTH_TYPE_NONE;
NTSTATUS status;
struct ndr_syntax_id id;
uint8_t pfc_flags = 0;
union dcerpc_payload u;
struct dcerpc_ack_ctx bind_ack_ctx;
DATA_BLOB auth_resp = data_blob_null;
DATA_BLOB auth_blob = data_blob_null;
const struct ndr_interface_table *table;
/* No rebinds on a bound pipe - use alter context. */
if (p->pipe_bound) {
DEBUG(2,("Rejecting bind request on bound rpc connection\n"));
return setup_bind_nak(p, pkt);
}
if (pkt->u.bind.num_contexts == 0) {
DEBUG(0, ("api_pipe_bind_req: no rpc contexts around\n"));
goto err_exit;
}
/*
* Try and find the correct pipe name to ensure
* that this is a pipe name we support.
*/
id = pkt->u.bind.ctx_list[0].abstract_syntax;
table = ndr_table_by_uuid(&id.uuid);
if (table == NULL) {
DEBUG(0,("unknown interface\n"));
return false;
}
if (rpc_srv_pipe_exists_by_id(&id)) {
DEBUG(3, ("api_pipe_bind_req: %s -> %s rpc service\n",
rpc_srv_get_pipe_cli_name(&id),
rpc_srv_get_pipe_srv_name(&id)));
} else {
status = smb_probe_module(
"rpc", dcerpc_default_transport_endpoint(pkt,
NCACN_NP, table));
if (NT_STATUS_IS_ERR(status)) {
DEBUG(3,("api_pipe_bind_req: Unknown rpc service name "
"%s in bind request.\n",
ndr_interface_name(&id.uuid,
id.if_version)));
return setup_bind_nak(p, pkt);
}
if (rpc_srv_get_pipe_interface_by_cli_name(
dcerpc_default_transport_endpoint(pkt,
NCACN_NP, table),
&id)) {
DEBUG(3, ("api_pipe_bind_req: %s -> %s rpc service\n",
rpc_srv_get_pipe_cli_name(&id),
rpc_srv_get_pipe_srv_name(&id)));
} else {
DEBUG(0, ("module %s doesn't provide functions for "
"pipe %s!\n",
ndr_interface_name(&id.uuid,
id.if_version),
ndr_interface_name(&id.uuid,
id.if_version)));
return setup_bind_nak(p, pkt);
}
}
DEBUG(5,("api_pipe_bind_req: make response. %d\n", __LINE__));
if (pkt->u.bind.assoc_group_id != 0) {
assoc_gid = pkt->u.bind.assoc_group_id;
} else {
assoc_gid = 0x53f0;
}
/*
* Create the bind response struct.
*/
/* If the requested abstract synt uuid doesn't match our client pipe,
reject the bind_ack & set the transfer interface synt to all 0's,
ver 0 (observed when NT5 attempts to bind to abstract interfaces
unknown to NT4)
Needed when adding entries to a DACL from NT5 - SK */
if (check_bind_req(p,
&pkt->u.bind.ctx_list[0].abstract_syntax,
&pkt->u.bind.ctx_list[0].transfer_syntaxes[0],
pkt->u.bind.ctx_list[0].context_id)) {
bind_ack_ctx.result = 0;
bind_ack_ctx.reason.value = 0;
bind_ack_ctx.syntax = pkt->u.bind.ctx_list[0].transfer_syntaxes[0];
} else {
p->pipe_bound = False;
/* Rejection reason: abstract syntax not supported */
bind_ack_ctx.result = DCERPC_BIND_PROVIDER_REJECT;
bind_ack_ctx.reason.value = DCERPC_BIND_REASON_ASYNTAX;
bind_ack_ctx.syntax = ndr_syntax_id_null;
}
/*
* Check if this is an authenticated bind request.
*/
if (pkt->auth_length) {
/* Quick length check. Won't catch a bad auth footer,
* prevents overrun. */
if (pkt->frag_length < RPC_HEADER_LEN +
DCERPC_AUTH_TRAILER_LENGTH +
pkt->auth_length) {
DEBUG(0,("api_pipe_bind_req: auth_len (%u) "
"too long for fragment %u.\n",
(unsigned int)pkt->auth_length,
(unsigned int)pkt->frag_length));
goto err_exit;
}
/*
* Decode the authentication verifier.
*/
status = dcerpc_pull_dcerpc_auth(pkt,
&pkt->u.bind.auth_info,
&auth_info, p->endian);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("Unable to unmarshall dcerpc_auth.\n"));
goto err_exit;
}
auth_type = auth_info.auth_type;
/* Work out if we have to sign or seal etc. */
switch (auth_info.auth_level) {
case DCERPC_AUTH_LEVEL_INTEGRITY:
p->auth.auth_level = DCERPC_AUTH_LEVEL_INTEGRITY;
break;
case DCERPC_AUTH_LEVEL_PRIVACY:
p->auth.auth_level = DCERPC_AUTH_LEVEL_PRIVACY;
break;
case DCERPC_AUTH_LEVEL_CONNECT:
p->auth.auth_level = DCERPC_AUTH_LEVEL_CONNECT;
break;
default:
DEBUG(0, ("Unexpected auth level (%u).\n",
(unsigned int)auth_info.auth_level ));
goto err_exit;
}
switch (auth_type) {
case DCERPC_AUTH_TYPE_NONE:
break;
default:
if (!pipe_auth_generic_bind(p, pkt,
&auth_info, &auth_resp)) {
goto err_exit;
}
break;
}
}
if (auth_type == DCERPC_AUTH_TYPE_NONE) {
/* Unauthenticated bind request. */
/* We're finished - no more packets. */
p->auth.auth_type = DCERPC_AUTH_TYPE_NONE;
/* We must set the pipe auth_level here also. */
p->auth.auth_level = DCERPC_AUTH_LEVEL_NONE;
p->pipe_bound = True;
/* The session key was initialized from the SMB
* session in make_internal_rpc_pipe_p */
}
ZERO_STRUCT(u.bind_ack);
u.bind_ack.max_xmit_frag = RPC_MAX_PDU_FRAG_LEN;
u.bind_ack.max_recv_frag = RPC_MAX_PDU_FRAG_LEN;
u.bind_ack.assoc_group_id = assoc_gid;
/* name has to be \PIPE\xxxxx */
u.bind_ack.secondary_address =
talloc_asprintf(pkt, "\\PIPE\\%s",
rpc_srv_get_pipe_srv_name(&id));
if (!u.bind_ack.secondary_address) {
DEBUG(0, ("Out of memory!\n"));
goto err_exit;
}
u.bind_ack.secondary_address_size =
strlen(u.bind_ack.secondary_address) + 1;
u.bind_ack.num_results = 1;
u.bind_ack.ctx_list = &bind_ack_ctx;
/* NOTE: We leave the auth_info empty so we can calculate the padding
* later and then append the auth_info --simo */
/*
* Marshall directly into the outgoing PDU space. We
* must do this as we need to set to the bind response
* header and are never sending more than one PDU here.
*/
pfc_flags = DCERPC_PFC_FLAG_FIRST | DCERPC_PFC_FLAG_LAST;
if (p->auth.hdr_signing) {
pfc_flags |= DCERPC_PFC_FLAG_SUPPORT_HEADER_SIGN;
}
status = dcerpc_push_ncacn_packet(p->mem_ctx,
DCERPC_PKT_BIND_ACK,
pfc_flags,
auth_resp.length,
pkt->call_id,
&u,
&p->out_data.frag);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("Failed to marshall bind_ack packet. (%s)\n",
nt_errstr(status)));
}
if (auth_resp.length) {
status = dcerpc_push_dcerpc_auth(pkt,
auth_type,
auth_info.auth_level,
0,
1, /* auth_context_id */
&auth_resp,
&auth_blob);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("Marshalling of dcerpc_auth failed.\n"));
goto err_exit;
}
}
/* Now that we have the auth len store it into the right place in
* the dcerpc header */
dcerpc_set_frag_length(&p->out_data.frag,
p->out_data.frag.length + auth_blob.length);
if (auth_blob.length) {
if (!data_blob_append(p->mem_ctx, &p->out_data.frag,
auth_blob.data, auth_blob.length)) {
DEBUG(0, ("Append of auth info failed.\n"));
goto err_exit;
}
}
/*
* Setup the lengths for the initial reply.
*/
p->out_data.data_sent_length = 0;
p->out_data.current_pdu_sent = 0;
TALLOC_FREE(auth_blob.data);
return True;
err_exit:
data_blob_free(&p->out_data.frag);
TALLOC_FREE(auth_blob.data);
return setup_bind_nak(p, pkt);
}
BOOL vfs_init_custom(connection_struct *conn, const char *vfs_object)
{
vfs_op_tuple *ops;
char *module_name = NULL;
char *module_param = NULL, *p;
int i;
vfs_handle_struct *handle;
struct vfs_init_function_entry *entry;
if (!conn||!vfs_object||!vfs_object[0]) {
DEBUG(0,("vfs_init_custon() called with NULL pointer or emtpy vfs_object!\n"));
return False;
}
if(!backends) {
static_init_vfs;
}
DEBUG(3, ("Initialising custom vfs hooks from [%s]\n", vfs_object));
module_name = smb_xstrdup(vfs_object);
p = strchr_m(module_name, ':');
if (p) {
*p = 0;
module_param = p+1;
trim_char(module_param, ' ', ' ');
}
trim_char(module_name, ' ', ' ');
/* First, try to load the module with the new module system */
if((entry = vfs_find_backend_entry(module_name)) ||
(NT_STATUS_IS_OK(smb_probe_module("vfs", module_name)) &&
(entry = vfs_find_backend_entry(module_name)))) {
DEBUGADD(5,("Successfully loaded vfs module [%s] with the new modules system\n", vfs_object));
if ((ops = entry->vfs_op_tuples) == NULL) {
DEBUG(0, ("entry->vfs_op_tuples==NULL for [%s] failed\n", vfs_object));
SAFE_FREE(module_name);
return False;
}
} else {
DEBUG(0,("Can't find a vfs module [%s]\n",vfs_object));
SAFE_FREE(module_name);
return False;
}
handle = TALLOC_ZERO_P(conn->mem_ctx,vfs_handle_struct);
if (!handle) {
DEBUG(0,("TALLOC_ZERO() failed!\n"));
SAFE_FREE(module_name);
return False;
}
memcpy(&handle->vfs_next, &conn->vfs, sizeof(struct vfs_ops));
handle->conn = conn;
if (module_param) {
handle->param = talloc_strdup(conn->mem_ctx, module_param);
}
DLIST_ADD(conn->vfs_handles, handle);
for(i=0; ops[i].op != NULL; i++) {
DEBUG(5, ("Checking operation #%d (type %d, layer %d)\n", i, ops[i].type, ops[i].layer));
if(ops[i].layer == SMB_VFS_LAYER_OPAQUE) {
/* If this operation was already made opaque by different module, it
* will be overridden here.
*/
DEBUGADD(5, ("Making operation type %d opaque [module %s]\n", ops[i].type, vfs_object));
vfs_set_operation(&conn->vfs_opaque, ops[i].type, handle, ops[i].op);
}
/* Change current VFS disposition*/
DEBUGADD(5, ("Accepting operation type %d from module %s\n", ops[i].type, vfs_object));
vfs_set_operation(&conn->vfs, ops[i].type, handle, ops[i].op);
}
SAFE_FREE(module_name);
return True;
}
bool vfs_init_custom(connection_struct *conn, const char *vfs_object)
{
char *module_path = NULL;
char *module_name = NULL;
char *module_param = NULL, *p;
vfs_handle_struct *handle;
const struct vfs_init_function_entry *entry;
if (!conn||!vfs_object||!vfs_object[0]) {
DEBUG(0,("vfs_init_custon() called with NULL pointer or emtpy vfs_object!\n"));
return False;
}
if(!backends) {
static_init_vfs;
}
DEBUG(3, ("Initialising custom vfs hooks from [%s]\n", vfs_object));
module_path = smb_xstrdup(vfs_object);
p = strchr_m(module_path, ':');
if (p) {
*p = 0;
module_param = p+1;
trim_char(module_param, ' ', ' ');
}
trim_char(module_path, ' ', ' ');
module_name = smb_xstrdup(module_path);
if ((module_name[0] == '/') &&
(strcmp(module_path, DEFAULT_VFS_MODULE_NAME) != 0)) {
/*
* Extract the module name from the path. Just use the base
* name of the last path component.
*/
SAFE_FREE(module_name);
module_name = smb_xstrdup(strrchr_m(module_path, '/')+1);
p = strchr_m(module_name, '.');
if (p != NULL) {
*p = '\0';
}
}
/* First, try to load the module with the new module system */
entry = vfs_find_backend_entry(module_name);
if (!entry) {
NTSTATUS status;
DEBUG(5, ("vfs module [%s] not loaded - trying to load...\n",
vfs_object));
status = smb_probe_module("vfs", module_path);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("error probing vfs module '%s': %s\n",
module_path, nt_errstr(status)));
goto fail;
}
entry = vfs_find_backend_entry(module_name);
if (!entry) {
DEBUG(0,("Can't find a vfs module [%s]\n",vfs_object));
goto fail;
}
}
DEBUGADD(5,("Successfully loaded vfs module [%s] with the new modules system\n", vfs_object));
handle = TALLOC_ZERO_P(conn, vfs_handle_struct);
if (!handle) {
DEBUG(0,("TALLOC_ZERO() failed!\n"));
goto fail;
}
handle->conn = conn;
handle->fns = entry->fns;
if (module_param) {
handle->param = talloc_strdup(conn, module_param);
}
DLIST_ADD(conn->vfs_handles, handle);
SAFE_FREE(module_path);
SAFE_FREE(module_name);
return True;
fail:
SAFE_FREE(module_path);
SAFE_FREE(module_name);
return False;
}
