r5472: First approach to composite rpc call fetchin user info.

It does only compile. Completely untested yet, so almost certainly
broken, but I don't want it to lay on my laptop only.

rafal
(This used to be commit dcab843da35f5dd2ffc694922ee762b3c36dbd35)

1 files changed, 229 insertions, 0 deletions

diff --git a/source4/libnet/userinfo.c b/source4/libnet/userinfo.c
new file mode 100644
index 0000000000..ba24855f3e
--- /dev/null
+++ b/source4/libnet/userinfo.c
@@ -0,0 +1,229 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   Copyright (C) Rafal Szczesniak 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.
+*/
+
+/*
+  a composite function for getting user information via samr pipe
+*/
+
+#include "includes.h"
+#include "libcli/raw/libcliraw.h"
+#include "libcli/composite/composite.h"
+#include "librpc/gen_ndr/ndr_samr.h"
+
+enum userinfo_stage { USERINFO_OPENUSER, USERINFO_GETUSER, USERINFO_CLOSEUSER };
+
+struct rpc_composite_userinfo {
+	struct {
+		struct policy_handle domain_handle;
+		const char *sid;
+		uint16_t level;
+	} in;
+	struct {
+		union samr_UserInfo info;
+	} out;
+};
+
+struct userinfo_state {
+	enum userinfo_stage stage;
+	struct dcerpc_pipe *pipe;
+	struct rpc_composite_userinfo io;
+};
+
+static void userinfo_handler(struct rpc_request *req);
+
+
+static NTSTATUS userinfo_openuser(struct composite_context *c,
+				  struct rpc_composite_userinfo *io)
+{
+	struct userinfo_state *s = talloc_get_type(c->private, struct userinfo_state);
+	struct rpc_request *req = s->pipe->conn->pending;
+	struct samr_OpenUser *rep;
+	struct samr_QueryUserInfo r;
+
+	/* receive samr_OpenUser reply */
+	c->status = dcerpc_ndr_request_recv(req);
+	NT_STATUS_NOT_OK_RETURN(c->status);
+	rep = (struct samr_OpenUser*)req->ndr.struct_ptr;
+
+	/* prepare parameters for QueryUserInfo call */
+	r.in.user_handle = talloc_zero(c, struct policy_handle);
+	memcpy((void*)r.in.user_handle, (void*)rep->out.user_handle, sizeof(struct policy_handle));
+	r.in.level = io->in.level;
+	
+	/* queue rpc call, set event handling and new state */
+	s->pipe->conn->pending = dcerpc_samr_QueryUserInfo_send(s->pipe, c, &r);
+	
+	s->pipe->conn->pending->async.callback = userinfo_handler;
+	s->pipe->conn->pending->async.private  = c;
+	s->stage = USERINFO_GETUSER;
+	
+	return rep->out.result;
+}
+
+
+static NTSTATUS userinfo_getuser(struct composite_context *c,
+				 struct rpc_composite_userinfo *io)
+{
+	struct userinfo_state *s = talloc_get_type(c->private, struct userinfo_state);
+	struct rpc_request *req = s->pipe->conn->pending;
+	struct samr_QueryUserInfo *rep;
+	struct samr_Close r;
+	
+	/* receive samr_QueryUserInfo reply */
+	c->status = dcerpc_ndr_request_recv(req);
+	NT_STATUS_NOT_OK_RETURN(c->status);
+	rep = (struct samr_QueryUserInfo*)req->ndr.struct_ptr;
+	
+	/* prepare arguments for Close call */
+	r.in.handle = talloc_zero(c, struct policy_handle);
+	memcpy((void*)r.in.handle, (void*)rep->in.user_handle, sizeof(struct policy_handle));
+	
+	/* queue rpc call, set event handling and new state */
+	s->pipe->conn->pending = dcerpc_samr_Close_send(s->pipe, c, &r);
+	
+	s->pipe->conn->pending->async.callback = userinfo_handler;
+	s->pipe->conn->pending->async.private  = c;
+	s->stage = USERINFO_CLOSEUSER;
+
+	/* copying result of composite call */
+	memcpy((void*)&io->out.info, (void*)rep->out.info, sizeof(union samr_UserInfo));
+
+	return rep->out.result;
+}
+
+
+static NTSTATUS userinfo_closeuser(struct composite_context *c,
+				   struct rpc_composite_userinfo *io)
+{
+	struct userinfo_state *s = talloc_get_type(c->private, struct userinfo_state);
+	struct rpc_request *req = s->pipe->conn->pending;
+	struct samr_Close *rep;
+	
+	/* receive samr_Close reply */
+	c->status = dcerpc_ndr_request_recv(req);
+	NT_STATUS_NOT_OK_RETURN(c->status);
+	rep = (struct samr_Close*)req->ndr.struct_ptr;
+
+	/* return result */
+	return rep->out.result;
+}
+
+
+static void userinfo_handler(struct rpc_request *req)
+{
+	struct composite_context *c = req->async.private;
+	struct userinfo_state *s = talloc_get_type(c->private, struct userinfo_state);
+
+	switch (s->stage) {
+	case USERINFO_OPENUSER:
+		c->status = userinfo_openuser(c, &s->io);
+		break;
+
+	case USERINFO_GETUSER:
+		c->status = userinfo_getuser(c, &s->io);
+		break;
+		
+	case USERINFO_CLOSEUSER:
+		c->status = userinfo_closeuser(c, &s->io);
+		break;
+	}
+
+	if (!NT_STATUS_IS_OK(c->status)) {
+		/* this should be some error state instead */
+		c->state = RPC_REQUEST_DONE;
+	}
+
+	if (c->state >= RPC_REQUEST_DONE &&
+	    c->async.fn) {
+		c->async.fn(c);
+	}
+}
+
+
+struct composite_context* rpc_composite_userinfo_send(struct dcerpc_pipe *p,
+						      struct rpc_composite_userinfo *io)
+{	
+
+  /* dom_sid_parse_talloc call */
+	struct composite_context *c;
+	struct userinfo_state *s;
+	struct samr_OpenUser *r;
+	struct dom_sid *sid;
+	
+	c = talloc_zero(p, struct composite_context);
+	if (c == NULL) goto failure;
+	
+	s = talloc_zero(c, struct userinfo_state);
+	if (s == NULL) goto failure;
+	
+	/* copying input parameters */
+	memcpy((void*)&s->io.in.domain_handle, (void*)&io->in.domain_handle, sizeof(struct policy_handle));
+	s->io.in.sid     = talloc_strdup(p, io->in.sid);
+	s->io.in.level   = io->in.level;
+	sid              = dom_sid_parse_talloc(c, s->io.in.sid);
+	
+	c->private = s;
+	c->event_ctx = dcerpc_event_context(p);
+
+	/* preparing parameters to send rpc request */
+	r = talloc_zero(p, struct samr_OpenUser);
+	r->in.domain_handle  = &s->io.in.domain_handle;
+	r->in.access_mask    = 0;
+	r->in.rid            = sid->sub_auths[sid->num_auths - 1];
+
+	/* send request */
+	s->pipe->conn->pending = dcerpc_samr_OpenUser_send(p, c, r);
+
+	/* callback handler */
+	s->pipe->conn->pending->async.callback = userinfo_handler;
+	s->pipe->conn->pending->async.private  = c;
+	s->stage = USERINFO_OPENUSER;
+
+	return c;
+	
+failure:
+	talloc_free(c);
+}
+
+
+NTSTATUS rpc_composite_userinfo_recv(struct composite_context *c, TALLOC_CTX *mem_ctx)
+{
+	NTSTATUS status;
+	struct userinfo_state *s;
+	
+	status = composite_wait(c);
+	
+	if (NT_STATUS_IS_OK(status)) {
+		s = talloc_get_type(c->private, struct userinfo_state);
+		talloc_steal(mem_ctx, &s->io.out.info);
+	}
+
+	talloc_free(c);
+	return status;
+}
+
+
+NTSTATUS rpc_composite_userinfo(struct dcerpc_pipe *pipe,
+				TALLOC_CTX *mem_ctx,
+				struct rpc_composite_userinfo *io)
+{
+	struct composite_context *c = rpc_composite_userinfo_send(pipe, io);
+	return rpc_composite_userinfo_recv(c, mem_ctx);
+}