diff options
Diffstat (limited to 'source4/lib/com')
-rw-r--r-- | source4/lib/com/classes/simple.c | 116 | ||||
-rw-r--r-- | source4/lib/com/com.h | 30 | ||||
-rw-r--r-- | source4/lib/com/config.mk | 10 | ||||
-rw-r--r-- | source4/lib/com/main.c | 85 | ||||
-rw-r--r-- | source4/lib/com/rot.c | 34 | ||||
-rw-r--r-- | source4/lib/com/tables.c | 107 |
6 files changed, 382 insertions, 0 deletions
diff --git a/source4/lib/com/classes/simple.c b/source4/lib/com/classes/simple.c new file mode 100644 index 0000000000..2c72d56f94 --- /dev/null +++ b/source4/lib/com/classes/simple.c @@ -0,0 +1,116 @@ +/* + Unix SMB/CIFS implementation. + Simple class + Copyright (C) 2004-2005 Jelmer Vernooij <jelmer@samba.org> + + 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 2 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, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "includes.h" +#include "lib/com/com.h" +#include "librpc/gen_ndr/com_dcom.h" + + +static WERROR simple_QueryInterface (struct IUnknown *d, TALLOC_CTX *mem_ctx, struct GUID *iid, struct IUnknown **iun) +{ + *iun = d; + return WERR_OK; +} + +static uint32_t simple_AddRef (struct IUnknown *d, TALLOC_CTX *mem_ctx) +{ + return 1; +} + +static uint32_t simple_Release (struct IUnknown *d, TALLOC_CTX *mem_ctx) +{ + return 1; +} + +static WERROR simple_Read (struct IStream *d, TALLOC_CTX *mem_ctx, uint8_t *pv, uint32_t num_requested, uint32_t *num_readx, uint32_t num_read) +{ + printf("%d bytes are being read\n", num_read); + return WERR_OK; +} + +static WERROR simple_Write (struct IStream *d, TALLOC_CTX *mem_ctx, uint8_t *data, uint32_t num_requested, uint32_t num_written) +{ + printf("%d bytes are being written\n", num_requested); + return WERR_OK; +} + +static struct IStream_vtable simple_istream_vtable = { + simple_QueryInterface, + simple_AddRef, + simple_Release, + simple_Read, + simple_Write +}; + +static WERROR simpleclass_QueryInterface (struct IUnknown *d, TALLOC_CTX *mem_ctx, struct GUID *iid, struct IUnknown **iun) +{ + /* FIXME: Return WERR_IFACE_NOT_SUPPORTED if IID != IID_IUNKNOWN and IID != IID_CLASSFACTORY */ + *iun = d; + return WERR_OK; +} + +static WERROR simpleclass_CreateInstance (struct IClassFactory *d, TALLOC_CTX *mem_ctx, struct IUnknown *iunk, struct GUID *iid, struct IUnknown **ppv) +{ + struct IStream *ret; + /* FIXME: Check whether IID == ISTREAM_IID */ + ret = talloc(mem_ctx, struct IStream); + ret->ctx = NULL; + ret->vtable = &simple_istream_vtable; + ret->object_data = NULL; + + *ppv = ret; + + return WERR_OK; +} + +static uint32_t simpleclass_AddRef (struct IUnknown *d, TALLOC_CTX *mem_ctx) +{ + return 1; +} + +static uint32_t simpleclass_Release (struct IUnknown *d, TALLOC_CTX *mem_ctx) +{ + return 1; +} + +/* Everything below this line should be autogenerated later on */ +static struct IClassFactory_vtable simple_classobject_vtable = { + simpleclass_QueryInterface, + simpleclass_AddRef, + simpleclass_Release, + simpleclass_CreateInstance, + NULL, + NULL, + NULL +}; + +NTSTATUS com_simple_init(void) +{ + struct GUID clsid; + struct IUnknown *class_object = talloc(talloc_autofree_context(), struct IUnknown); + + class_object->ctx = NULL; + class_object->object_data = NULL; + class_object->vtable = (struct IUnknown_vtable *)&simple_classobject_vtable; + + GUID_from_string("5e9ddec7-5767-11cf-beab-00aa006c3606", &clsid); + + return com_register_running_class(&clsid, "Samba.Simple", class_object); +} diff --git a/source4/lib/com/com.h b/source4/lib/com/com.h new file mode 100644 index 0000000000..be7dcde5b5 --- /dev/null +++ b/source4/lib/com/com.h @@ -0,0 +1,30 @@ +/* + Unix SMB/CIFS implementation. + COM standard objects + Copyright (C) Jelmer Vernooij 2004-2005. + + 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 2 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, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#ifndef _COM_H /* _COM_H */ +#define _COM_H + +struct com_context +{ +}; + +typedef struct IUnknown *(*get_class_object_function) (const struct GUID *clsid); + +#endif /* _COM_H */ diff --git a/source4/lib/com/config.mk b/source4/lib/com/config.mk new file mode 100644 index 0000000000..006ea212c1 --- /dev/null +++ b/source4/lib/com/config.mk @@ -0,0 +1,10 @@ +[SUBSYSTEM::LIBCOM] +INIT_OBJ_FILES = \ + lib/com/tables.o \ + lib/com/rot.o \ + lib/com/main.o + +[MODULE::com_simple] +SUBSYSTEM = LIBCOM +INIT_OBJ_FILES = lib/com/classes/simple.o +INIT_FUNCTION = com_simple_init diff --git a/source4/lib/com/main.c b/source4/lib/com/main.c new file mode 100644 index 0000000000..378c3738b9 --- /dev/null +++ b/source4/lib/com/main.c @@ -0,0 +1,85 @@ +/* + Unix SMB/CIFS implementation. + Main COM functionality + Copyright (C) 2004 Jelmer Vernooij <jelmer@samba.org> + + 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 2 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, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "includes.h" +#include "dlinklist.h" +#include "lib/com/com.h" +#include "librpc/gen_ndr/com_dcom.h" + +WERROR com_init(struct com_context **ctx) +{ + *ctx = talloc(NULL, struct com_context); + return WERR_OK; +} + +WERROR com_create_object(struct com_context *ctx, struct GUID *clsid, int num_ifaces, struct GUID *iid, struct IUnknown **ip, WERROR *results) +{ + struct IUnknown *iunk = NULL; + struct IClassFactory *factory; + WERROR error; + int i; + struct GUID classfact_iid; + + GUID_from_string(DCERPC_ICLASSFACTORY_UUID, &classfact_iid); + + /* Obtain class object */ + error = com_get_class_object(ctx, clsid, &classfact_iid, (struct IUnknown **)&factory); + if (!W_ERROR_IS_OK(error)) { + DEBUG(3, ("Unable to obtain class object for %s\n", GUID_string(NULL, clsid))); + return error; + } + + /* Run IClassFactory::CreateInstance() */ + error = IClassFactory_CreateInstance(factory, ctx, NULL, &classfact_iid, &iunk); + if (!W_ERROR_IS_OK(error)) { + DEBUG(3, ("Error while calling IClassFactory::CreateInstance : %s\n", win_errstr(error))); + return error; + } + + if (!iunk) { + DEBUG(0, ("IClassFactory_CreateInstance returned success but result pointer is still NULL!\n")); + return WERR_GENERAL_FAILURE; + } + + /* Release class object */ + IUnknown_Release(factory, ctx); + + error = WERR_OK; + + /* Do one or more QueryInterface calls */ + for (i = 0; i < num_ifaces; i++) { + results[i] = IUnknown_QueryInterface(iunk, ctx, &iid[i], &ip[i]); + if (!W_ERROR_IS_OK(results[i])) error = results[i]; + } + + return error; +} + +WERROR com_get_class_object(struct com_context *ctx, struct GUID *clsid, struct GUID *iid, struct IUnknown **ip) +{ + struct IUnknown *iu; + + iu = com_class_by_clsid(ctx, clsid); + if (!iu) { + return WERR_CLASS_NOT_REGISTERED; + } + + return IUnknown_QueryInterface(iu, ctx, iid, ip); +} diff --git a/source4/lib/com/rot.c b/source4/lib/com/rot.c new file mode 100644 index 0000000000..34a5671f5b --- /dev/null +++ b/source4/lib/com/rot.c @@ -0,0 +1,34 @@ +/* + Unix SMB/CIFS implementation. + + Running object table functions + + Copyright (C) Jelmer Vernooij 2004-2005 + + 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 2 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, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "includes.h" + +struct dcom_interface_p *dcom_get_local_iface_p(struct GUID *ipid) +{ + /* FIXME: Call the local ROT and do a + * rot_get_interface_pointer call */ + + /* FIXME: Perhaps have a local (thread-local) table with + * local DCOM objects so that not every DCOM call requires a lookup + * to the ROT? */ + return NULL; +} diff --git a/source4/lib/com/tables.c b/source4/lib/com/tables.c new file mode 100644 index 0000000000..cf63e7e9a2 --- /dev/null +++ b/source4/lib/com/tables.c @@ -0,0 +1,107 @@ +/* + Unix SMB/CIFS implementation. + COM class tables + Copyright (C) 2004 Jelmer Vernooij <jelmer@samba.org> + + 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 2 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, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "includes.h" +#include "dlinklist.h" + +/* Specific implementation of one or more interfaces */ +struct com_class +{ + const char *progid; + struct GUID clsid; + + struct IUnknown *class_object; + struct com_class *prev, *next; +} * running_classes = NULL; + +static struct IUnknown *get_com_class_running(const struct GUID *clsid) +{ + struct com_class *c = running_classes; + + while(c) { + + if (GUID_equal(clsid, &c->clsid)) { + return c->class_object; + } + + c = c->next; + } + + return NULL; +} + +static struct IUnknown *get_com_class_so(TALLOC_CTX *mem_ctx, const struct GUID *clsid) +{ + char *mod_name; + char *clsid_str; + void *mod; + get_class_object_function f; + + clsid_str = GUID_string(mem_ctx, clsid); + mod_name = talloc_asprintf(mem_ctx, "%s.so", clsid_str); + talloc_free(clsid_str); + + mod = sys_dlopen(mod_name, 0); + + if (!mod) { + return NULL; + } + + f = sys_dlsym(mod, "get_class_object"); + + if (!f) { + return NULL; + } + + return f(clsid); +} + +struct IUnknown *com_class_by_clsid(struct com_context *ctx, const struct GUID *clsid) +{ + struct IUnknown *c; + + /* Check list of running COM classes first */ + c = get_com_class_running(clsid); + + if (c != NULL) { + return c; + } + + c = get_com_class_so(ctx, clsid); + + if (c != NULL) { + return c; + } + + return NULL; +} + +NTSTATUS com_register_running_class(struct GUID *clsid, const char *progid, struct IUnknown *p) +{ + struct com_class *l = talloc_zero(running_classes?running_classes:talloc_autofree_context(), struct com_class); + + l->clsid = *clsid; + l->progid = talloc_strdup(l, progid); + l->class_object = p; + + DLIST_ADD(running_classes, l); + + return NT_STATUS_OK; +} |