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Diffstat (limited to 'librpc/ndr/ndr_table.c')
| -rw-r--r-- | librpc/ndr/ndr_table.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/librpc/ndr/ndr_table.c b/librpc/ndr/ndr_table.c new file mode 100644 index 0000000..bc44fd3 --- /dev/null +++ b/librpc/ndr/ndr_table.c @@ -0,0 +1,182 @@ +/* + Unix SMB/CIFS implementation. + + dcerpc utility functions + + Copyright (C) Andrew Tridgell 2003 + Copyright (C) Jelmer Vernooij 2004 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "includes.h" +#include "../lib/util/dlinklist.h" +#include "librpc/ndr/libndr.h" +#include "librpc/ndr/ndr_table.h" +#undef strcasecmp + +static struct ndr_interface_list *ndr_interfaces; + +/* + register a ndr interface table +*/ +NTSTATUS ndr_table_register(const struct ndr_interface_table *table) +{ + struct ndr_interface_list *l; + + for (l = ndr_interfaces; l; l = l->next) { + /* + * If no GUID is supplied, use the name to determine + * uniquness. + */ + if (GUID_all_zero(&table->syntax_id.uuid)) { + if (strcmp(table->name, + l->table->name) != 0) { + continue; + } + DBG_ERR("Attempt to register interface %s which has the " + "same name as already registered interface\n", + table->name); + } else { + if (!GUID_equal(&table->syntax_id.uuid, + &l->table->syntax_id.uuid)) { + continue; + } + DBG_ERR("Attempt to register interface %s which has the " + "same UUID as already registered interface %s\n", + table->name, l->table->name); + } + return NT_STATUS_OBJECT_NAME_COLLISION; + } + + /* + * This is a singleton instance guarenteed + * by the above check to be only added once + * into the list so we can allocate off the NULL + * context. We never want this to be freed + * until process shutdown. If needed we could + * add a deregister function that walks and + * frees the list. + */ + + l = talloc(NULL, struct ndr_interface_list); + l->table = table; + + DLIST_ADD(ndr_interfaces, l); + + return NT_STATUS_OK; +} + +/* + find the pipe name for a local IDL interface +*/ +const char *ndr_interface_name(const struct GUID *uuid, uint32_t if_version) +{ + const struct ndr_interface_list *l; + for (l=ndr_table_list();l;l=l->next) { + if (GUID_equal(&l->table->syntax_id.uuid, uuid) && + l->table->syntax_id.if_version == if_version) { + return l->table->name; + } + } + return "UNKNOWN"; +} + +/* + find the number of calls defined by local IDL +*/ +int ndr_interface_num_calls(const struct GUID *uuid, uint32_t if_version) +{ + const struct ndr_interface_list *l; + for (l=ndr_table_list();l;l=l->next){ + if (GUID_equal(&l->table->syntax_id.uuid, uuid) && + l->table->syntax_id.if_version == if_version) { + return l->table->num_calls; + } + } + return -1; +} + + +/* + find a dcerpc interface by name +*/ +const struct ndr_interface_table *ndr_table_by_name(const char *name) +{ + const struct ndr_interface_list *l; + for (l=ndr_table_list();l;l=l->next) { + if (strcasecmp(l->table->name, name) == 0) { + return l->table; + } + } + return NULL; +} + +/* + find a dcerpc interface by syntax +*/ +const struct ndr_interface_table *ndr_table_by_syntax(const struct ndr_syntax_id *syntax) +{ + const struct ndr_interface_list *l; + if (GUID_all_zero(&syntax->uuid)) { + /* These are not unique */ + return NULL; + } + for (l=ndr_table_list();l;l=l->next) { + if (ndr_syntax_id_equal(&l->table->syntax_id, syntax)) { + return l->table; + } + } + return NULL; +} + +/* + find a dcerpc interface by uuid +*/ +const struct ndr_interface_table *ndr_table_by_uuid(const struct GUID *uuid) +{ + const struct ndr_interface_list *l; + if (GUID_all_zero(uuid)) { + /* These are not unique */ + return NULL; + } + for (l=ndr_table_list();l;l=l->next) { + if (GUID_equal(&l->table->syntax_id.uuid, uuid)) { + return l->table; + } + } + return NULL; +} + +/* + return the list of registered dcerpc_pipes +*/ +const struct ndr_interface_list *ndr_table_list(void) +{ + ndr_table_init(); + return ndr_interfaces; +} + + +NTSTATUS ndr_table_init(void) +{ + static bool initialized = false; + + if (initialized) return NT_STATUS_OK; + initialized = true; + + ndr_table_register_builtin_tables(); + + return NT_STATUS_OK; +} |