s3:winbind: Add NDR-based parent-child communication to winbind

8 files changed, 477 insertions, 0 deletions

diff --git a/source3/librpc/gen_ndr/cli_wbint.c b/source3/librpc/gen_ndr/cli_wbint.c
new file mode 100644
index 0000000000..044fdf9d1c
--- /dev/null
+++ b/source3/librpc/gen_ndr/cli_wbint.c
@@ -0,0 +1,159 @@
+/*
+ * Unix SMB/CIFS implementation.
+ * client auto-generated by pidl. DO NOT MODIFY!
+ */
+
+#include "includes.h"
+#include "librpc/gen_ndr/cli_wbint.h"
+
+struct rpccli_wbint_Ping_state {
+	struct wbint_Ping orig;
+	struct wbint_Ping tmp;
+	TALLOC_CTX *out_mem_ctx;
+	NTSTATUS (*dispatch_recv)(struct tevent_req *req, TALLOC_CTX *mem_ctx);
+};
+
+static void rpccli_wbint_Ping_done(struct tevent_req *subreq);
+
+struct tevent_req *rpccli_wbint_Ping_send(TALLOC_CTX *mem_ctx,
+					  struct tevent_context *ev,
+					  struct rpc_pipe_client *cli,
+					  uint32_t _in_data /* [in]  */,
+					  uint32_t *_out_data /* [out] [ref] */)
+{
+	struct tevent_req *req;
+	struct rpccli_wbint_Ping_state *state;
+	struct tevent_req *subreq;
+
+	req = tevent_req_create(mem_ctx, &state,
+				struct rpccli_wbint_Ping_state);
+	if (req == NULL) {
+		return NULL;
+	}
+	state->out_mem_ctx = NULL;
+	state->dispatch_recv = cli->dispatch_recv;
+
+	/* In parameters */
+	state->orig.in.in_data = _in_data;
+
+	/* Out parameters */
+	state->orig.out.out_data = _out_data;
+
+	if (DEBUGLEVEL >= 10) {
+		NDR_PRINT_IN_DEBUG(wbint_Ping, &state->orig);
+	}
+
+	state->out_mem_ctx = talloc_named_const(state, 0,
+			     "rpccli_wbint_Ping_out_memory");
+	if (tevent_req_nomem(state->out_mem_ctx, req)) {
+		return tevent_req_post(req, ev);
+	}
+
+	/* make a temporary copy, that we pass to the dispatch function */
+	state->tmp = state->orig;
+
+	subreq = cli->dispatch_send(state, ev, cli,
+				    &ndr_table_wbint,
+				    NDR_WBINT_PING,
+				    &state->tmp);
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+	tevent_req_set_callback(subreq, rpccli_wbint_Ping_done, req);
+	return req;
+}
+
+static void rpccli_wbint_Ping_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct rpccli_wbint_Ping_state *state = tevent_req_data(
+		req, struct rpccli_wbint_Ping_state);
+	NTSTATUS status;
+	TALLOC_CTX *mem_ctx;
+
+	if (state->out_mem_ctx) {
+		mem_ctx = state->out_mem_ctx;
+	} else {
+		mem_ctx = state;
+	}
+
+	status = state->dispatch_recv(subreq, mem_ctx);
+	TALLOC_FREE(subreq);
+	if (!NT_STATUS_IS_OK(status)) {
+		tevent_req_nterror(req, status);
+		return;
+	}
+
+	/* Copy out parameters */
+	*state->orig.out.out_data = *state->tmp.out.out_data;
+
+	/* Reset temporary structure */
+	ZERO_STRUCT(state->tmp);
+
+	if (DEBUGLEVEL >= 10) {
+		NDR_PRINT_OUT_DEBUG(wbint_Ping, &state->orig);
+	}
+
+	tevent_req_done(req);
+}
+
+NTSTATUS rpccli_wbint_Ping_recv(struct tevent_req *req,
+				TALLOC_CTX *mem_ctx)
+{
+	struct rpccli_wbint_Ping_state *state = tevent_req_data(
+		req, struct rpccli_wbint_Ping_state);
+	NTSTATUS status;
+
+	if (tevent_req_is_nterror(req, &status)) {
+		tevent_req_received(req);
+		return status;
+	}
+
+	/* Steal possbile out parameters to the callers context */
+	talloc_steal(mem_ctx, state->out_mem_ctx);
+
+	tevent_req_received(req);
+	return NT_STATUS_OK;
+}
+
+NTSTATUS rpccli_wbint_Ping(struct rpc_pipe_client *cli,
+			   TALLOC_CTX *mem_ctx,
+			   uint32_t in_data /* [in]  */,
+			   uint32_t *out_data /* [out] [ref] */)
+{
+	struct wbint_Ping r;
+	NTSTATUS status;
+
+	/* In parameters */
+	r.in.in_data = in_data;
+
+	if (DEBUGLEVEL >= 10) {
+		NDR_PRINT_IN_DEBUG(wbint_Ping, &r);
+	}
+
+	status = cli->dispatch(cli,
+				mem_ctx,
+				&ndr_table_wbint,
+				NDR_WBINT_PING,
+				&r);
+
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	if (DEBUGLEVEL >= 10) {
+		NDR_PRINT_OUT_DEBUG(wbint_Ping, &r);
+	}
+
+	if (NT_STATUS_IS_ERR(status)) {
+		return status;
+	}
+
+	/* Return variables */
+	*out_data = *r.out.out_data;
+
+	/* Return result */
+	return NT_STATUS_OK;
+}
+
diff --git a/source3/librpc/gen_ndr/cli_wbint.h b/source3/librpc/gen_ndr/cli_wbint.h
new file mode 100644
index 0000000000..25b13f2b64
--- /dev/null
+++ b/source3/librpc/gen_ndr/cli_wbint.h
@@ -0,0 +1,15 @@
+#include "librpc/gen_ndr/ndr_wbint.h"
+#ifndef __CLI_WBINT__
+#define __CLI_WBINT__
+struct tevent_req *rpccli_wbint_Ping_send(TALLOC_CTX *mem_ctx,
+					  struct tevent_context *ev,
+					  struct rpc_pipe_client *cli,
+					  uint32_t _in_data /* [in]  */,
+					  uint32_t *_out_data /* [out] [ref] */);
+NTSTATUS rpccli_wbint_Ping_recv(struct tevent_req *req,
+				TALLOC_CTX *mem_ctx);
+NTSTATUS rpccli_wbint_Ping(struct rpc_pipe_client *cli,
+			   TALLOC_CTX *mem_ctx,
+			   uint32_t in_data /* [in]  */,
+			   uint32_t *out_data /* [out] [ref] */);
+#endif /* __CLI_WBINT__ */
diff --git a/source3/librpc/gen_ndr/ndr_wbint.c b/source3/librpc/gen_ndr/ndr_wbint.c
new file mode 100644
index 0000000000..fed1ce2f1e
--- /dev/null
+++ b/source3/librpc/gen_ndr/ndr_wbint.c
@@ -0,0 +1,110 @@
+/* parser auto-generated by pidl */
+
+#include "includes.h"
+#include "librpc/gen_ndr/ndr_wbint.h"
+
+static enum ndr_err_code ndr_push_wbint_Ping(struct ndr_push *ndr, int flags, const struct wbint_Ping *r)
+{
+	if (flags & NDR_IN) {
+		NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, r->in.in_data));
+	}
+	if (flags & NDR_OUT) {
+		if (r->out.out_data == NULL) {
+			return ndr_push_error(ndr, NDR_ERR_INVALID_POINTER, "NULL [ref] pointer");
+		}
+		NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, *r->out.out_data));
+	}
+	return NDR_ERR_SUCCESS;
+}
+
+static enum ndr_err_code ndr_pull_wbint_Ping(struct ndr_pull *ndr, int flags, struct wbint_Ping *r)
+{
+	TALLOC_CTX *_mem_save_out_data_0;
+	if (flags & NDR_IN) {
+		ZERO_STRUCT(r->out);
+
+		NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &r->in.in_data));
+		NDR_PULL_ALLOC(ndr, r->out.out_data);
+		ZERO_STRUCTP(r->out.out_data);
+	}
+	if (flags & NDR_OUT) {
+		if (ndr->flags & LIBNDR_FLAG_REF_ALLOC) {
+			NDR_PULL_ALLOC(ndr, r->out.out_data);
+		}
+		_mem_save_out_data_0 = NDR_PULL_GET_MEM_CTX(ndr);
+		NDR_PULL_SET_MEM_CTX(ndr, r->out.out_data, LIBNDR_FLAG_REF_ALLOC);
+		NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, r->out.out_data));
+		NDR_PULL_SET_MEM_CTX(ndr, _mem_save_out_data_0, LIBNDR_FLAG_REF_ALLOC);
+	}
+	return NDR_ERR_SUCCESS;
+}
+
+_PUBLIC_ void ndr_print_wbint_Ping(struct ndr_print *ndr, const char *name, int flags, const struct wbint_Ping *r)
+{
+	ndr_print_struct(ndr, name, "wbint_Ping");
+	ndr->depth++;
+	if (flags & NDR_SET_VALUES) {
+		ndr->flags |= LIBNDR_PRINT_SET_VALUES;
+	}
+	if (flags & NDR_IN) {
+		ndr_print_struct(ndr, "in", "wbint_Ping");
+		ndr->depth++;
+		ndr_print_uint32(ndr, "in_data", r->in.in_data);
+		ndr->depth--;
+	}
+	if (flags & NDR_OUT) {
+		ndr_print_struct(ndr, "out", "wbint_Ping");
+		ndr->depth++;
+		ndr_print_ptr(ndr, "out_data", r->out.out_data);
+		ndr->depth++;
+		ndr_print_uint32(ndr, "out_data", *r->out.out_data);
+		ndr->depth--;
+		ndr->depth--;
+	}
+	ndr->depth--;
+}
+
+static const struct ndr_interface_call wbint_calls[] = {
+	{
+		"wbint_Ping",
+		sizeof(struct wbint_Ping),
+		(ndr_push_flags_fn_t) ndr_push_wbint_Ping,
+		(ndr_pull_flags_fn_t) ndr_pull_wbint_Ping,
+		(ndr_print_function_t) ndr_print_wbint_Ping,
+		false,
+	},
+	{ NULL, 0, NULL, NULL, NULL, false }
+};
+
+static const char * const wbint_endpoint_strings[] = {
+	"ncalrpc:",
+};
+
+static const struct ndr_interface_string_array wbint_endpoints = {
+	.count	= 1,
+	.names	= wbint_endpoint_strings
+};
+
+static const char * const wbint_authservice_strings[] = {
+	"host",
+};
+
+static const struct ndr_interface_string_array wbint_authservices = {
+	.count	= 1,
+	.names	= wbint_authservice_strings
+};
+
+
+const struct ndr_interface_table ndr_table_wbint = {
+	.name		= "wbint",
+	.syntax_id	= {
+		{0xbf09192c,0xed60,0x4928,{0x9d,0xff},{0xd0,0xd7,0xbc,0xb0,0x3e,0xd8}},
+		NDR_WBINT_VERSION
+	},
+	.helpstring	= NDR_WBINT_HELPSTRING,
+	.num_calls	= 1,
+	.calls		= wbint_calls,
+	.endpoints	= &wbint_endpoints,
+	.authservices	= &wbint_authservices
+};
+
diff --git a/source3/librpc/gen_ndr/ndr_wbint.h b/source3/librpc/gen_ndr/ndr_wbint.h
new file mode 100644
index 0000000000..6c38087687
--- /dev/null
+++ b/source3/librpc/gen_ndr/ndr_wbint.h
@@ -0,0 +1,18 @@
+/* header auto-generated by pidl */
+
+#include "librpc/ndr/libndr.h"
+#include "librpc/gen_ndr/wbint.h"
+
+#ifndef _HEADER_NDR_wbint
+#define _HEADER_NDR_wbint
+
+#define NDR_WBINT_UUID "bf09192c-ed60-4928-9dff-d0d7bcb03ed8"
+#define NDR_WBINT_VERSION 1.0
+#define NDR_WBINT_NAME "wbint"
+#define NDR_WBINT_HELPSTRING "winbind parent-child protocol"
+extern const struct ndr_interface_table ndr_table_wbint;
+#define NDR_WBINT_PING (0x00)
+
+#define NDR_WBINT_CALL_COUNT (1)
+void ndr_print_wbint_Ping(struct ndr_print *ndr, const char *name, int flags, const struct wbint_Ping *r);
+#endif /* _HEADER_NDR_wbint */
diff --git a/source3/librpc/gen_ndr/srv_wbint.c b/source3/librpc/gen_ndr/srv_wbint.c
new file mode 100644
index 0000000000..0a3569b874
--- /dev/null
+++ b/source3/librpc/gen_ndr/srv_wbint.c
@@ -0,0 +1,130 @@
+/*
+ * Unix SMB/CIFS implementation.
+ * server auto-generated by pidl. DO NOT MODIFY!
+ */
+
+#include "includes.h"
+#include "librpc/gen_ndr/srv_wbint.h"
+
+static bool api_wbint_Ping(pipes_struct *p)
+{
+	const struct ndr_interface_call *call;
+	struct ndr_pull *pull;
+	struct ndr_push *push;
+	enum ndr_err_code ndr_err;
+	DATA_BLOB blob;
+	struct wbint_Ping *r;
+
+	call = &ndr_table_wbint.calls[NDR_WBINT_PING];
+
+	r = talloc(talloc_tos(), struct wbint_Ping);
+	if (r == NULL) {
+		return false;
+	}
+
+	if (!prs_data_blob(&p->in_data.data, &blob, r)) {
+		talloc_free(r);
+		return false;
+	}
+
+	pull = ndr_pull_init_blob(&blob, r, NULL);
+	if (pull == NULL) {
+		talloc_free(r);
+		return false;
+	}
+
+	pull->flags |= LIBNDR_FLAG_REF_ALLOC;
+	ndr_err = call->ndr_pull(pull, NDR_IN, r);
+	if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+		talloc_free(r);
+		return false;
+	}
+
+	if (DEBUGLEVEL >= 10) {
+		NDR_PRINT_IN_DEBUG(wbint_Ping, r);
+	}
+
+	ZERO_STRUCT(r->out);
+	r->out.out_data = talloc_zero(r, uint32_t);
+	if (r->out.out_data == NULL) {
+		talloc_free(r);
+		return false;
+	}
+
+	_wbint_Ping(p, r);
+
+	if (p->rng_fault_state) {
+		talloc_free(r);
+		/* Return true here, srv_pipe_hnd.c will take care */
+		return true;
+	}
+
+	if (DEBUGLEVEL >= 10) {
+		NDR_PRINT_OUT_DEBUG(wbint_Ping, r);
+	}
+
+	push = ndr_push_init_ctx(r, NULL);
+	if (push == NULL) {
+		talloc_free(r);
+		return false;
+	}
+
+	ndr_err = call->ndr_push(push, NDR_OUT, r);
+	if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+		talloc_free(r);
+		return false;
+	}
+
+	blob = ndr_push_blob(push);
+	if (!prs_copy_data_in(&p->out_data.rdata, (const char *)blob.data, (uint32_t)blob.length)) {
+		talloc_free(r);
+		return false;
+	}
+
+	talloc_free(r);
+
+	return true;
+}
+
+
+/* Tables */
+static struct api_struct api_wbint_cmds[] =
+{
+	{"WBINT_PING", NDR_WBINT_PING, api_wbint_Ping},
+};
+
+void wbint_get_pipe_fns(struct api_struct **fns, int *n_fns)
+{
+	*fns = api_wbint_cmds;
+	*n_fns = sizeof(api_wbint_cmds) / sizeof(struct api_struct);
+}
+
+NTSTATUS rpc_wbint_dispatch(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx, const struct ndr_interface_table *table, uint32_t opnum, void *_r)
+{
+	if (cli->pipes_struct == NULL) {
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	switch (opnum)
+	{
+		case NDR_WBINT_PING: {
+			struct wbint_Ping *r = (struct wbint_Ping *)_r;
+			ZERO_STRUCT(r->out);
+			r->out.out_data = talloc_zero(mem_ctx, uint32_t);
+			if (r->out.out_data == NULL) {
+			return NT_STATUS_NO_MEMORY;
+			}
+
+			_wbint_Ping(cli->pipes_struct, r);
+			return NT_STATUS_OK;
+		}
+
+		default:
+			return NT_STATUS_NOT_IMPLEMENTED;
+	}
+}
+
+NTSTATUS rpc_wbint_init(void)
+{
+	return rpc_srv_register(SMB_RPC_INTERFACE_VERSION, "wbint", "wbint", &ndr_table_wbint, api_wbint_cmds, sizeof(api_wbint_cmds) / sizeof(struct api_struct));
+}
diff --git a/source3/librpc/gen_ndr/srv_wbint.h b/source3/librpc/gen_ndr/srv_wbint.h
new file mode 100644
index 0000000000..af3d21a43d
--- /dev/null
+++ b/source3/librpc/gen_ndr/srv_wbint.h
@@ -0,0 +1,9 @@
+#include "librpc/gen_ndr/ndr_wbint.h"
+#ifndef __SRV_WBINT__
+#define __SRV_WBINT__
+void _wbint_Ping(pipes_struct *p, struct wbint_Ping *r);
+void wbint_get_pipe_fns(struct api_struct **fns, int *n_fns);
+NTSTATUS rpc_wbint_dispatch(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx, const struct ndr_interface_table *table, uint32_t opnum, void *r);
+void _wbint_Ping(pipes_struct *p, struct wbint_Ping *r);
+NTSTATUS rpc_wbint_init(void);
+#endif /* __SRV_WBINT__ */
diff --git a/source3/librpc/gen_ndr/wbint.h b/source3/librpc/gen_ndr/wbint.h
new file mode 100644
index 0000000000..641d960a1b
--- /dev/null
+++ b/source3/librpc/gen_ndr/wbint.h
@@ -0,0 +1,22 @@
+/* header auto-generated by pidl */
+
+#include <stdint.h>
+
+#include "libcli/util/ntstatus.h"
+
+#ifndef _HEADER_wbint
+#define _HEADER_wbint
+
+
+struct wbint_Ping {
+	struct {
+		uint32_t in_data;
+	} in;
+
+	struct {
+		uint32_t *out_data;/* [ref] */
+	} out;
+
+};
+
+#endif /* _HEADER_wbint */
diff --git a/source3/librpc/idl/wbint.idl b/source3/librpc/idl/wbint.idl
new file mode 100644
index 0000000000..40a4545a3a
--- /dev/null
+++ b/source3/librpc/idl/wbint.idl
@@ -0,0 +1,14 @@
+[
+    uuid("bf09192c-ed60-4928-9dff-d0d7bcb03ed8"),
+    endpoint("ncalrpc:"),
+    pointer_default(unique),
+    version(1.0),
+    helpstring("winbind parent-child protocol")
+]
+interface wbint
+{
+    void wbint_Ping(
+	[in] uint32 in_data,
+	[out] uint32 *out_data
+	);
+}
\ No newline at end of file