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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 commit is contained in:
Rafal Szczesniak
Gerald (Jerry) Carter
parent
fbce7464b2
commit
dcab843da3
229
source/libnet/userinfo.c
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229
source/libnet/userinfo.c
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/*
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Unix SMB/CIFS implementation.
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Copyright (C) Rafal Szczesniak 2005
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*
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a composite function for getting user information via samr pipe
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*/
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#include "includes.h"
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#include "libcli/raw/libcliraw.h"
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#include "libcli/composite/composite.h"
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#include "librpc/gen_ndr/ndr_samr.h"
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enum userinfo_stage { USERINFO_OPENUSER, USERINFO_GETUSER, USERINFO_CLOSEUSER };
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struct rpc_composite_userinfo {
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struct {
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struct policy_handle domain_handle;
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const char *sid;
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uint16_t level;
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} in;
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struct {
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union samr_UserInfo info;
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} out;
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};
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struct userinfo_state {
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enum userinfo_stage stage;
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struct dcerpc_pipe *pipe;
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struct rpc_composite_userinfo io;
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};
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static void userinfo_handler(struct rpc_request *req);
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static NTSTATUS userinfo_openuser(struct composite_context *c,
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struct rpc_composite_userinfo *io)
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{
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struct userinfo_state *s = talloc_get_type(c->private, struct userinfo_state);
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struct rpc_request *req = s->pipe->conn->pending;
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struct samr_OpenUser *rep;
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struct samr_QueryUserInfo r;
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/* receive samr_OpenUser reply */
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c->status = dcerpc_ndr_request_recv(req);
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NT_STATUS_NOT_OK_RETURN(c->status);
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rep = (struct samr_OpenUser*)req->ndr.struct_ptr;
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/* prepare parameters for QueryUserInfo call */
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r.in.user_handle = talloc_zero(c, struct policy_handle);
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memcpy((void*)r.in.user_handle, (void*)rep->out.user_handle, sizeof(struct policy_handle));
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r.in.level = io->in.level;
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/* queue rpc call, set event handling and new state */
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s->pipe->conn->pending = dcerpc_samr_QueryUserInfo_send(s->pipe, c, &r);
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s->pipe->conn->pending->async.callback = userinfo_handler;
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s->pipe->conn->pending->async.private = c;
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s->stage = USERINFO_GETUSER;
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return rep->out.result;
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}
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static NTSTATUS userinfo_getuser(struct composite_context *c,
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struct rpc_composite_userinfo *io)
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{
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struct userinfo_state *s = talloc_get_type(c->private, struct userinfo_state);
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struct rpc_request *req = s->pipe->conn->pending;
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struct samr_QueryUserInfo *rep;
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struct samr_Close r;
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/* receive samr_QueryUserInfo reply */
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c->status = dcerpc_ndr_request_recv(req);
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NT_STATUS_NOT_OK_RETURN(c->status);
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rep = (struct samr_QueryUserInfo*)req->ndr.struct_ptr;
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/* prepare arguments for Close call */
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r.in.handle = talloc_zero(c, struct policy_handle);
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memcpy((void*)r.in.handle, (void*)rep->in.user_handle, sizeof(struct policy_handle));
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/* queue rpc call, set event handling and new state */
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s->pipe->conn->pending = dcerpc_samr_Close_send(s->pipe, c, &r);
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s->pipe->conn->pending->async.callback = userinfo_handler;
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s->pipe->conn->pending->async.private = c;
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s->stage = USERINFO_CLOSEUSER;
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/* copying result of composite call */
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memcpy((void*)&io->out.info, (void*)rep->out.info, sizeof(union samr_UserInfo));
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return rep->out.result;
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}
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static NTSTATUS userinfo_closeuser(struct composite_context *c,
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struct rpc_composite_userinfo *io)
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{
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struct userinfo_state *s = talloc_get_type(c->private, struct userinfo_state);
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struct rpc_request *req = s->pipe->conn->pending;
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struct samr_Close *rep;
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/* receive samr_Close reply */
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c->status = dcerpc_ndr_request_recv(req);
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NT_STATUS_NOT_OK_RETURN(c->status);
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rep = (struct samr_Close*)req->ndr.struct_ptr;
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/* return result */
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return rep->out.result;
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}
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static void userinfo_handler(struct rpc_request *req)
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{
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struct composite_context *c = req->async.private;
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struct userinfo_state *s = talloc_get_type(c->private, struct userinfo_state);
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switch (s->stage) {
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case USERINFO_OPENUSER:
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c->status = userinfo_openuser(c, &s->io);
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break;
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case USERINFO_GETUSER:
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c->status = userinfo_getuser(c, &s->io);
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break;
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case USERINFO_CLOSEUSER:
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c->status = userinfo_closeuser(c, &s->io);
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break;
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}
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if (!NT_STATUS_IS_OK(c->status)) {
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/* this should be some error state instead */
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c->state = RPC_REQUEST_DONE;
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}
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if (c->state >= RPC_REQUEST_DONE &&
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c->async.fn) {
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c->async.fn(c);
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}
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}
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struct composite_context* rpc_composite_userinfo_send(struct dcerpc_pipe *p,
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struct rpc_composite_userinfo *io)
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{
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/* dom_sid_parse_talloc call */
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struct composite_context *c;
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struct userinfo_state *s;
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struct samr_OpenUser *r;
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struct dom_sid *sid;
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c = talloc_zero(p, struct composite_context);
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if (c == NULL) goto failure;
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s = talloc_zero(c, struct userinfo_state);
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if (s == NULL) goto failure;
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/* copying input parameters */
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memcpy((void*)&s->io.in.domain_handle, (void*)&io->in.domain_handle, sizeof(struct policy_handle));
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s->io.in.sid = talloc_strdup(p, io->in.sid);
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s->io.in.level = io->in.level;
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sid = dom_sid_parse_talloc(c, s->io.in.sid);
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c->private = s;
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c->event_ctx = dcerpc_event_context(p);
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/* preparing parameters to send rpc request */
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r = talloc_zero(p, struct samr_OpenUser);
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r->in.domain_handle = &s->io.in.domain_handle;
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r->in.access_mask = 0;
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r->in.rid = sid->sub_auths[sid->num_auths - 1];
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/* send request */
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s->pipe->conn->pending = dcerpc_samr_OpenUser_send(p, c, r);
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/* callback handler */
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s->pipe->conn->pending->async.callback = userinfo_handler;
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s->pipe->conn->pending->async.private = c;
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s->stage = USERINFO_OPENUSER;
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return c;
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failure:
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talloc_free(c);
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}
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NTSTATUS rpc_composite_userinfo_recv(struct composite_context *c, TALLOC_CTX *mem_ctx)
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{
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NTSTATUS status;
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struct userinfo_state *s;
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status = composite_wait(c);
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if (NT_STATUS_IS_OK(status)) {
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s = talloc_get_type(c->private, struct userinfo_state);
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talloc_steal(mem_ctx, &s->io.out.info);
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}
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talloc_free(c);
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return status;
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}
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NTSTATUS rpc_composite_userinfo(struct dcerpc_pipe *pipe,
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TALLOC_CTX *mem_ctx,
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struct rpc_composite_userinfo *io)
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{
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struct composite_context *c = rpc_composite_userinfo_send(pipe, io);
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return rpc_composite_userinfo_recv(c, mem_ctx);
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}
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