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-rw-r--r--source4/lib/dcom/common/main.c207
1 files changed, 176 insertions, 31 deletions
diff --git a/source4/lib/dcom/common/main.c b/source4/lib/dcom/common/main.c
index 7a8def25c5..a2650e3446 100644
--- a/source4/lib/dcom/common/main.c
+++ b/source4/lib/dcom/common/main.c
@@ -19,12 +19,15 @@
*/
#include "includes.h"
+#include "dlinklist.h"
#include "librpc/gen_ndr/ndr_epmapper.h"
#include "librpc/gen_ndr/ndr_remact.h"
+#include "librpc/gen_ndr/ndr_oxidresolver.h"
+#include "librpc/gen_ndr/ndr_dcom.h"
#define DCOM_NEGOTIATED_PROTOCOLS { EPM_PROTOCOL_TCP, EPM_PROTOCOL_SMB, EPM_PROTOCOL_NCALRPC }
-static NTSTATUS dcom_connect(struct dcerpc_pipe **p, const char *server, const char *domain, const char *user, const char *pass)
+static NTSTATUS dcom_connect_host(struct dcom_context *ctx, struct dcerpc_pipe **p, const char *server)
{
struct dcerpc_binding bd;
enum dcerpc_transport_t available_transports[] = { NCACN_IP_TCP, NCACN_NP };
@@ -34,7 +37,7 @@ static NTSTATUS dcom_connect(struct dcerpc_pipe **p, const char *server, const c
/* Allow server name to contain a binding string */
if (NT_STATUS_IS_OK(dcerpc_parse_binding(mem_ctx, server, &bd))) {
- status = dcerpc_pipe_connect_b(p, &bd, DCERPC_IREMOTEACTIVATION_UUID, DCERPC_IREMOTEACTIVATION_VERSION, domain, user, pass);
+ status = dcerpc_pipe_connect_b(p, &bd, DCERPC_IREMOTEACTIVATION_UUID, DCERPC_IREMOTEACTIVATION_VERSION, ctx->domain, ctx->user, ctx->password);
talloc_destroy(mem_ctx);
return status;
}
@@ -45,14 +48,14 @@ static NTSTATUS dcom_connect(struct dcerpc_pipe **p, const char *server, const c
if (server == NULL) {
bd.transport = NCALRPC;
- return dcerpc_pipe_connect_b(p, &bd, DCERPC_IREMOTEACTIVATION_UUID, DCERPC_IREMOTEACTIVATION_VERSION, domain, user, pass);
+ return dcerpc_pipe_connect_b(p, &bd, DCERPC_IREMOTEACTIVATION_UUID, DCERPC_IREMOTEACTIVATION_VERSION, ctx->domain, ctx->user, ctx->password);
}
for (i = 0; i < ARRAY_SIZE(available_transports); i++)
{
bd.transport = available_transports[i];
- status = dcerpc_pipe_connect_b(p, &bd, DCERPC_IREMOTEACTIVATION_UUID, DCERPC_IREMOTEACTIVATION_VERSION, domain, user, pass);
+ status = dcerpc_pipe_connect_b(p, &bd, DCERPC_IREMOTEACTIVATION_UUID, DCERPC_IREMOTEACTIVATION_VERSION, ctx->domain, ctx->user, ctx->password);
if (NT_STATUS_IS_OK(status)) {
return status;
@@ -62,34 +65,73 @@ static NTSTATUS dcom_connect(struct dcerpc_pipe **p, const char *server, const c
return status;
}
-#if 0
-static WERROR dcom_connect_oxid(TALLOC_CTX *mem_ctx, struct dcerpc_pipe **p, HYPER_T oxid)
+static NTSTATUS dcom_connect_STRINGBINDINGARRAY(struct dcom_context *ctx, struct dcerpc_pipe **p, DATA_BLOB *stringbindingarray)
{
- /* FIXME */
- return WERR_NOT_SUPPORTED;
+ return NT_STATUS_NOT_SUPPORTED;
}
-#endif
-NTSTATUS dcerpc_IUnknown_AddRef(struct dcerpc_pipe *p, struct GUID *o, TALLOC_CTX *mem_ctx, struct IUnknown_AddRef *r)
+static NTSTATUS dcom_connect_DUALSTRINGBINDINGARRAY(struct dcom_context *ctx, struct dcerpc_pipe **p, struct DUALSTRINGARRAY *array)
{
- /* FIXME: Tell local server we're adding a reference to this interface on this object. Local server can then call RemAddRef() if necessary */
return NT_STATUS_NOT_SUPPORTED;
}
-NTSTATUS dcerpc_IUnknown_Release(struct dcerpc_pipe *p, struct GUID *o, TALLOC_CTX *mem_ctx, struct IUnknown_Release *r)
+NTSTATUS dcerpc_IUnknown_AddRef(struct dcom_interface *p, TALLOC_CTX *mem_ctx, struct IUnknown_AddRef *rr)
{
- /* FIXME: Tell local server we're releasing a reference to this interface on this object. Local server can then call RemRelease() if necessary */
- return NT_STATUS_NOT_SUPPORTED;
+ struct RemAddRef r;
+ struct REMINTERFACEREF ref;
+
+ /* This is rather inefficient, but we'll patch it up later */
+ r.in.cInterfaceRefs = 1;
+ r.in.InterfaceRefs = &ref;
+
+ return dcerpc_RemAddRef(p, mem_ctx, &r);
+}
+
+NTSTATUS dcerpc_IUnknown_Release(struct dcom_interface *p, TALLOC_CTX *mem_ctx, struct IUnknown_Release *rr)
+{
+ struct RemRelease r;
+ struct REMINTERFACEREF ref;
+
+ p->private_references--;
+
+ /* Only do the remote version of this call when all local references have
+ * been released */
+ if (p->private_references == 0) {
+ NTSTATUS status;
+ r.in.cInterfaceRefs = 1;
+ r.in.InterfaceRefs = &ref;
+
+ status = dcerpc_RemRelease(p, mem_ctx, &r);
+
+ if (NT_STATUS_IS_OK(status)) {
+ talloc_destroy(p);
+ }
+
+ return status;
+ }
+
+ return NT_STATUS_OK;
}
-NTSTATUS dcerpc_IUnknown_QueryInterface(struct dcerpc_pipe *p, struct GUID *o, TALLOC_CTX *mem_ctx, struct IUnknown_QueryInterface *r)
+NTSTATUS dcerpc_IUnknown_QueryInterface(struct dcom_interface *o, TALLOC_CTX *mem_ctx, struct IUnknown_QueryInterface *rr)
{
/* FIXME: Ask local server for interface pointer. Local server can then
* call RemQueryInterface if necessary */
return NT_STATUS_NOT_SUPPORTED;
}
-WERROR dcom_create_object(TALLOC_CTX *mem_ctx, struct GUID *clsid, const char *server, int num_ifaces, struct GUID *iid, struct dcom_interface **ip, const char *domain, const char *user, const char *pass)
+WERROR dcom_init(struct dcom_context **ctx, const char *domain, const char *user, const char *pass)
+{
+ *ctx = talloc_p(NULL, struct dcom_context);
+ (*ctx)->oxids = NULL;
+ (*ctx)->domain = talloc_strdup(*ctx, domain);
+ (*ctx)->user = talloc_strdup(*ctx, user);
+ (*ctx)->password = talloc_strdup(*ctx, pass);
+
+ return WERR_OK;
+}
+
+WERROR dcom_create_object(struct dcom_context *ctx, struct GUID *clsid, const char *server, int num_ifaces, struct GUID *iid, struct dcom_interface **ip, WERROR *results)
{
struct RemoteActivation r;
int i;
@@ -97,7 +139,7 @@ WERROR dcom_create_object(TALLOC_CTX *mem_ctx, struct GUID *clsid, const char *s
NTSTATUS status;
uint16 protseq[] = DCOM_NEGOTIATED_PROTOCOLS;
- status = dcom_connect(&p, server, domain, user, pass);
+ status = dcom_connect_host(ctx, &p, server);
if (NT_STATUS_IS_ERR(status)) {
DEBUG(1, ("Unable to connect to %s - %s\n", server, nt_errstr(status)));
return ntstatus_to_werror(status);
@@ -113,28 +155,35 @@ WERROR dcom_create_object(TALLOC_CTX *mem_ctx, struct GUID *clsid, const char *s
r.in.protseq = protseq;
r.in.Interfaces = num_ifaces;
r.in.pIIDs = iid;
- r.out.ifaces = talloc_array_p(mem_ctx, struct pMInterfacePointer, num_ifaces);
+ r.out.ifaces = talloc_array_p(ctx, struct pMInterfacePointer, num_ifaces);
- status = dcerpc_RemoteActivation(p, mem_ctx, &r);
+ status = dcerpc_RemoteActivation(p, ctx, &r);
if(NT_STATUS_IS_ERR(status)) {
DEBUG(1, ("Error while running RemoteActivation %s\n", nt_errstr(status)));
return ntstatus_to_werror(status);
}
- if(!W_ERROR_IS_OK(r.out.result)) { return r.out.result; }
- if(!W_ERROR_IS_OK(r.out.hr)) { return r.out.hr; }
- if(!W_ERROR_IS_OK(r.out.results[0])) { return r.out.results[0]; }
+ if(!W_ERROR_IS_OK(r.out.result)) {
+ return r.out.result;
+ }
+
+ if(!W_ERROR_IS_OK(r.out.hr)) {
+ return r.out.hr;
+ }
- *ip = talloc_array_p(mem_ctx, struct dcom_interface, num_ifaces);
+ *ip = talloc_array_p(ctx, struct dcom_interface, num_ifaces);
for (i = 0; i < num_ifaces; i++) {
- (*ip)[i].object = r.out.ifaces[i].p->obj;
- (*ip)[i].pipe = NULL; /* FIXME */
+ results[i] = r.out.results[i];
+ (*ip)[i].private_references = 1;
+ (*ip)[i].objref = &r.out.ifaces[i].p->obj;
+ (*ip)[i].pipe = NULL;
+ (*ip)[i].ctx = ctx;
}
return WERR_OK;
}
-WERROR dcom_get_class_object(TALLOC_CTX *mem_ctx, struct GUID *clsid, const char *server, struct GUID *iid, struct dcom_interface *ip, const char *domain, const char *user, const char *pass)
+WERROR dcom_get_class_object(struct dcom_context *ctx, struct GUID *clsid, const char *server, struct GUID *iid, struct dcom_interface *ip)
{
struct RemoteActivation r;
struct dcerpc_pipe *p;
@@ -142,7 +191,7 @@ WERROR dcom_get_class_object(TALLOC_CTX *mem_ctx, struct GUID *clsid, const char
struct pMInterfacePointer pm;
uint16 protseq[] = DCOM_NEGOTIATED_PROTOCOLS;
- status = dcom_connect(&p, server, domain, user, pass);
+ status = dcom_connect_host(ctx, &p, server);
if (NT_STATUS_IS_ERR(status)) {
DEBUG(1, ("Unable to connect to %s - %s\n", server, nt_errstr(status)));
return ntstatus_to_werror(status);
@@ -161,7 +210,7 @@ WERROR dcom_get_class_object(TALLOC_CTX *mem_ctx, struct GUID *clsid, const char
r.in.Mode = MODE_GET_CLASS_OBJECT;
r.out.ifaces = &pm;
- status = dcerpc_RemoteActivation(p, mem_ctx, &r);
+ status = dcerpc_RemoteActivation(p, ctx, &r);
if(NT_STATUS_IS_ERR(status)) {
DEBUG(1, ("Error while running RemoteActivation - %s\n", nt_errstr(status)));
return ntstatus_to_werror(status);
@@ -170,9 +219,105 @@ WERROR dcom_get_class_object(TALLOC_CTX *mem_ctx, struct GUID *clsid, const char
if(!W_ERROR_IS_OK(r.out.result)) { return r.out.result; }
if(!W_ERROR_IS_OK(r.out.hr)) { return r.out.hr; }
if(!W_ERROR_IS_OK(r.out.results[0])) { return r.out.results[0]; }
-
- ip->pipe = NULL; /* FIXME */
- ip->object = pm.p->obj;
+
+ ip->private_references = 1;
+ ip->pipe = NULL;
+ ip->objref = &pm.p->obj;
+ ip->ctx = ctx;
return WERR_OK;
}
+
+struct dcom_oxid_mapping {
+ struct dcom_oxid_mapping *prev, *next;
+ struct DUALSTRINGARRAY bindings;
+ HYPER_T oxid;
+ struct dcerpc_pipe *pipe;
+};
+
+static struct dcom_oxid_mapping *oxid_mapping_by_oxid (struct dcom_context *ctx, HYPER_T oxid)
+{
+ struct dcom_oxid_mapping *m;
+
+ for (m = ctx->oxids;m;m = m->next) {
+ if (m->oxid == oxid) {
+ return m;
+ }
+ }
+
+ return NULL;
+}
+
+NTSTATUS dcom_get_pipe (struct dcom_interface *iface, struct dcerpc_pipe **p)
+{
+ struct dcom_oxid_mapping *m;
+ HYPER_T oxid;
+ NTSTATUS status;
+
+ SMB_ASSERT(iface->objref->signature == OBJREF_SIGNATURE);
+
+ if (iface->objref->flags & OBJREF_HANDLER) {
+ DEBUG(0, ("dcom_get_pipe: OBJREF_HANDLER not supported!\n"));
+ return NT_STATUS_NOT_SUPPORTED;
+ }
+
+ if (iface->objref->flags & OBJREF_CUSTOM) {
+ DEBUG(0, ("dcom_get_pipe: OBJREF_CUSTOM not supported!\n"));
+ return NT_STATUS_NOT_SUPPORTED;
+ }
+
+ DEBUG(1, ("DCOM: Connecting to %s\n", GUID_string(NULL, &iface->objref->iid)));
+
+ oxid = iface->objref->u_objref.u_standard.std.oxid;
+
+ m = oxid_mapping_by_oxid(iface->ctx, oxid);
+
+ /* Add OXID mapping if none present yet */
+ if (!m) {
+ struct dcerpc_pipe *po;
+ struct ResolveOxid r;
+ uint16 protseq[] = DCOM_NEGOTIATED_PROTOCOLS;
+
+ DEBUG(3, ("No binding data present yet, resolving OXID %llu\n", oxid));
+
+ m = talloc_zero_p(iface->ctx, struct dcom_oxid_mapping);
+ m->oxid = oxid;
+
+ status = dcom_connect_STRINGBINDINGARRAY(iface->ctx, &po, &iface->objref->u_objref.u_standard.saResAddr);
+
+ if (NT_STATUS_IS_ERR(status)) {
+ DEBUG(1, ("Error while connecting to OXID Resolver : %s\n", nt_errstr(status)));
+ return status;
+ }
+
+ r.in.pOxid = oxid;
+ r.in.cRequestedProtseqs = ARRAY_SIZE(protseq);
+ r.in.arRequestedProtseqs = protseq;
+ r.out.ppdsaOxidBindings = &m->bindings;
+
+ status = dcerpc_ResolveOxid(po, iface->ctx, &r);
+ if (NT_STATUS_IS_ERR(status)) {
+ DEBUG(1, ("Error while resolving OXID: %s\n", nt_errstr(status)));
+ return status;
+ }
+
+ dcerpc_pipe_close(po);
+
+ DLIST_ADD(iface->ctx->oxids, m);
+ }
+
+ if (m->pipe) {
+ *p = m->pipe;
+ /* FIXME: Switch to correct IID using an alter context call */
+ return NT_STATUS_OK;
+ }
+
+ status = dcom_connect_DUALSTRINGBINDINGARRAY(iface->ctx, &m->pipe, &m->bindings);
+
+ if (NT_STATUS_IS_ERR(status)) {
+ return status;
+ }
+
+ *p = m->pipe;
+ return NT_STATUS_OK;
+}