mirror of
https://github.com/samba-team/samba.git
synced 2024-12-24 21:34:56 +03:00
9e87e6dc9a
metze
470 lines
13 KiB
C
470 lines
13 KiB
C
/*
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Unix SMB/CIFS implementation.
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Copyright (C) Volker Lendecke 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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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/*
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a composite API for finding a DC and its name
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*/
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#include "includes.h"
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#include <tevent.h>
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#include "libcli/composite/composite.h"
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#include "winbind/wb_async_helpers.h"
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#include "libcli/security/security.h"
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#include "librpc/gen_ndr/ndr_lsa_c.h"
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#include "librpc/gen_ndr/ndr_samr_c.h"
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struct lsa_lookupsids_state {
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struct composite_context *ctx;
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uint32_t num_sids;
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struct lsa_LookupSids r;
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struct lsa_SidArray sids;
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struct lsa_TransNameArray names;
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struct lsa_RefDomainList *domains;
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uint32_t count;
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struct wb_sid_object **result;
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};
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static void lsa_lookupsids_recv_names(struct tevent_req *subreq);
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struct composite_context *wb_lsa_lookupsids_send(TALLOC_CTX *mem_ctx,
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struct dcerpc_pipe *lsa_pipe,
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struct policy_handle *handle,
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uint32_t num_sids,
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const struct dom_sid **sids)
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{
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struct composite_context *result;
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struct lsa_lookupsids_state *state;
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uint32_t i;
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struct tevent_req *subreq;
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result = composite_create(mem_ctx, lsa_pipe->conn->event_ctx);
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if (result == NULL) goto failed;
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state = talloc(result, struct lsa_lookupsids_state);
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if (state == NULL) goto failed;
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result->private_data = state;
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state->ctx = result;
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state->sids.num_sids = num_sids;
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state->sids.sids = talloc_array(state, struct lsa_SidPtr, num_sids);
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if (state->sids.sids == NULL) goto failed;
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for (i=0; i<num_sids; i++) {
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state->sids.sids[i].sid = dom_sid_dup(state->sids.sids,
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sids[i]);
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if (state->sids.sids[i].sid == NULL) goto failed;
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}
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state->domains = talloc(state, struct lsa_RefDomainList);
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if (state->domains == NULL) goto failed;
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state->count = 0;
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state->num_sids = num_sids;
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state->names.count = 0;
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state->names.names = NULL;
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state->r.in.handle = handle;
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state->r.in.sids = &state->sids;
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state->r.in.names = &state->names;
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state->r.in.level = 1;
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state->r.in.count = &state->count;
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state->r.out.names = &state->names;
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state->r.out.count = &state->count;
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state->r.out.domains = &state->domains;
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subreq = dcerpc_lsa_LookupSids_r_send(state,
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result->event_ctx,
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lsa_pipe->binding_handle,
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&state->r);
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if (subreq == NULL) goto failed;
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tevent_req_set_callback(subreq, lsa_lookupsids_recv_names, state);
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return result;
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failed:
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talloc_free(result);
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return NULL;
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}
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static void lsa_lookupsids_recv_names(struct tevent_req *subreq)
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{
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struct lsa_lookupsids_state *state =
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tevent_req_callback_data(subreq,
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struct lsa_lookupsids_state);
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uint32_t i;
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state->ctx->status = dcerpc_lsa_LookupSids_r_recv(subreq, state);
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TALLOC_FREE(subreq);
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if (!composite_is_ok(state->ctx)) return;
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state->ctx->status = state->r.out.result;
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if (!NT_STATUS_IS_OK(state->ctx->status) &&
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!NT_STATUS_EQUAL(state->ctx->status, STATUS_SOME_UNMAPPED)) {
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composite_error(state->ctx, state->ctx->status);
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return;
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}
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state->result = talloc_array(state, struct wb_sid_object *,
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state->num_sids);
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if (composite_nomem(state->result, state->ctx)) return;
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for (i=0; i<state->num_sids; i++) {
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struct lsa_TranslatedName *name =
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&state->r.out.names->names[i];
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struct lsa_DomainInfo *dom;
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struct lsa_RefDomainList *domains =
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state->domains;
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state->result[i] = talloc_zero(state->result,
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struct wb_sid_object);
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if (composite_nomem(state->result[i], state->ctx)) return;
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state->result[i]->type = name->sid_type;
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if (state->result[i]->type == SID_NAME_UNKNOWN) {
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continue;
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}
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if (name->sid_index >= domains->count) {
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composite_error(state->ctx,
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NT_STATUS_INVALID_PARAMETER);
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return;
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}
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dom = &domains->domains[name->sid_index];
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state->result[i]->domain = talloc_reference(state->result[i],
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dom->name.string);
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if ((name->sid_type == SID_NAME_DOMAIN) ||
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(name->name.string == NULL)) {
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state->result[i]->name =
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talloc_strdup(state->result[i], "");
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} else {
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state->result[i]->name =
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talloc_steal(state->result[i],
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name->name.string);
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}
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if (composite_nomem(state->result[i]->name, state->ctx)) {
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return;
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}
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}
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composite_done(state->ctx);
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}
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NTSTATUS wb_lsa_lookupsids_recv(struct composite_context *c,
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TALLOC_CTX *mem_ctx,
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struct wb_sid_object ***names)
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{
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NTSTATUS status = composite_wait(c);
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if (NT_STATUS_IS_OK(status)) {
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struct lsa_lookupsids_state *state =
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talloc_get_type(c->private_data,
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struct lsa_lookupsids_state);
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*names = talloc_steal(mem_ctx, state->result);
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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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struct lsa_lookupnames_state {
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struct composite_context *ctx;
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uint32_t num_names;
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struct lsa_LookupNames r;
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struct lsa_TransSidArray sids;
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struct lsa_RefDomainList *domains;
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uint32_t count;
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struct wb_sid_object **result;
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};
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static void lsa_lookupnames_recv_sids(struct tevent_req *subreq);
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struct composite_context *wb_lsa_lookupnames_send(TALLOC_CTX *mem_ctx,
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struct dcerpc_pipe *lsa_pipe,
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struct policy_handle *handle,
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uint32_t num_names,
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const char **names)
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{
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struct composite_context *result;
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struct lsa_lookupnames_state *state;
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struct tevent_req *subreq;
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struct lsa_String *lsa_names;
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uint32_t i;
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result = composite_create(mem_ctx, lsa_pipe->conn->event_ctx);
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if (result == NULL) goto failed;
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state = talloc(result, struct lsa_lookupnames_state);
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if (state == NULL) goto failed;
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result->private_data = state;
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state->ctx = result;
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state->sids.count = 0;
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state->sids.sids = NULL;
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state->num_names = num_names;
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state->count = 0;
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lsa_names = talloc_array(state, struct lsa_String, num_names);
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if (lsa_names == NULL) goto failed;
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for (i=0; i<num_names; i++) {
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lsa_names[i].string = names[i];
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}
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state->domains = talloc(state, struct lsa_RefDomainList);
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if (state->domains == NULL) goto failed;
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state->r.in.handle = handle;
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state->r.in.num_names = num_names;
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state->r.in.names = lsa_names;
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state->r.in.sids = &state->sids;
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state->r.in.level = 1;
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state->r.in.count = &state->count;
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state->r.out.count = &state->count;
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state->r.out.sids = &state->sids;
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state->r.out.domains = &state->domains;
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subreq = dcerpc_lsa_LookupNames_r_send(state,
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result->event_ctx,
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lsa_pipe->binding_handle,
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&state->r);
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if (subreq == NULL) goto failed;
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tevent_req_set_callback(subreq, lsa_lookupnames_recv_sids, state);
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return result;
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failed:
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talloc_free(result);
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return NULL;
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}
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static void lsa_lookupnames_recv_sids(struct tevent_req *subreq)
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{
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struct lsa_lookupnames_state *state =
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tevent_req_callback_data(subreq,
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struct lsa_lookupnames_state);
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uint32_t i;
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state->ctx->status = dcerpc_lsa_LookupNames_r_recv(subreq, state);
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TALLOC_FREE(subreq);
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if (!composite_is_ok(state->ctx)) return;
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state->ctx->status = state->r.out.result;
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if (!NT_STATUS_IS_OK(state->ctx->status) &&
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!NT_STATUS_EQUAL(state->ctx->status, STATUS_SOME_UNMAPPED)) {
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composite_error(state->ctx, state->ctx->status);
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return;
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}
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state->result = talloc_array(state, struct wb_sid_object *,
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state->num_names);
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if (composite_nomem(state->result, state->ctx)) return;
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for (i=0; i<state->num_names; i++) {
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struct lsa_TranslatedSid *sid = &state->r.out.sids->sids[i];
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struct lsa_RefDomainList *domains = state->domains;
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struct lsa_DomainInfo *dom;
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state->result[i] = talloc_zero(state->result,
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struct wb_sid_object);
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if (composite_nomem(state->result[i], state->ctx)) return;
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state->result[i]->type = sid->sid_type;
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if (state->result[i]->type == SID_NAME_UNKNOWN) {
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continue;
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}
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if (sid->sid_index >= domains->count) {
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composite_error(state->ctx,
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NT_STATUS_INVALID_PARAMETER);
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return;
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}
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dom = &domains->domains[sid->sid_index];
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state->result[i]->sid = dom_sid_add_rid(state->result[i],
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dom->sid, sid->rid);
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}
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composite_done(state->ctx);
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}
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NTSTATUS wb_lsa_lookupnames_recv(struct composite_context *c,
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TALLOC_CTX *mem_ctx,
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struct wb_sid_object ***sids)
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{
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NTSTATUS status = composite_wait(c);
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if (NT_STATUS_IS_OK(status)) {
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struct lsa_lookupnames_state *state =
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talloc_get_type(c->private_data,
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struct lsa_lookupnames_state);
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*sids = talloc_steal(mem_ctx, state->result);
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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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struct samr_getuserdomgroups_state {
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struct composite_context *ctx;
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struct dcerpc_pipe *samr_pipe;
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uint32_t num_rids;
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uint32_t *rids;
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struct samr_RidWithAttributeArray *rid_array;
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struct policy_handle *user_handle;
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struct samr_OpenUser o;
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struct samr_GetGroupsForUser g;
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struct samr_Close c;
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};
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static void samr_usergroups_recv_open(struct tevent_req *subreq);
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static void samr_usergroups_recv_groups(struct tevent_req *subreq);
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static void samr_usergroups_recv_close(struct tevent_req *subreq);
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struct composite_context *wb_samr_userdomgroups_send(TALLOC_CTX *mem_ctx,
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struct dcerpc_pipe *samr_pipe,
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struct policy_handle *domain_handle,
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uint32_t rid)
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{
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struct composite_context *result;
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struct samr_getuserdomgroups_state *state;
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struct tevent_req *subreq;
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result = composite_create(mem_ctx, samr_pipe->conn->event_ctx);
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if (result == NULL) goto failed;
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state = talloc(result, struct samr_getuserdomgroups_state);
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if (state == NULL) goto failed;
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result->private_data = state;
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state->ctx = result;
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state->samr_pipe = samr_pipe;
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state->user_handle = talloc(state, struct policy_handle);
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if (state->user_handle == NULL) goto failed;
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state->o.in.domain_handle = domain_handle;
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state->o.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
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state->o.in.rid = rid;
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state->o.out.user_handle = state->user_handle;
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subreq = dcerpc_samr_OpenUser_r_send(state,
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result->event_ctx,
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state->samr_pipe->binding_handle,
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&state->o);
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if (subreq == NULL) goto failed;
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tevent_req_set_callback(subreq, samr_usergroups_recv_open, state);
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return result;
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failed:
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talloc_free(result);
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return NULL;
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}
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static void samr_usergroups_recv_open(struct tevent_req *subreq)
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{
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struct samr_getuserdomgroups_state *state =
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tevent_req_callback_data(subreq,
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struct samr_getuserdomgroups_state);
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state->ctx->status = dcerpc_samr_OpenUser_r_recv(subreq, state);
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TALLOC_FREE(subreq);
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if (!composite_is_ok(state->ctx)) return;
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state->ctx->status = state->o.out.result;
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if (!composite_is_ok(state->ctx)) return;
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state->g.in.user_handle = state->user_handle;
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state->g.out.rids = &state->rid_array;
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subreq = dcerpc_samr_GetGroupsForUser_r_send(state,
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state->ctx->event_ctx,
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state->samr_pipe->binding_handle,
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&state->g);
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if (composite_nomem(subreq, state->ctx)) return;
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tevent_req_set_callback(subreq, samr_usergroups_recv_groups, state);
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}
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static void samr_usergroups_recv_groups(struct tevent_req *subreq)
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{
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struct samr_getuserdomgroups_state *state =
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tevent_req_callback_data(subreq,
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struct samr_getuserdomgroups_state);
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state->ctx->status = dcerpc_samr_GetGroupsForUser_r_recv(subreq, state);
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TALLOC_FREE(subreq);
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if (!composite_is_ok(state->ctx)) return;
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state->ctx->status = state->g.out.result;
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if (!composite_is_ok(state->ctx)) return;
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state->c.in.handle = state->user_handle;
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state->c.out.handle = state->user_handle;
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subreq = dcerpc_samr_Close_r_send(state,
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state->ctx->event_ctx,
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state->samr_pipe->binding_handle,
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&state->c);
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if (composite_nomem(subreq, state->ctx)) return;
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tevent_req_set_callback(subreq, samr_usergroups_recv_close, state);
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}
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static void samr_usergroups_recv_close(struct tevent_req *subreq)
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{
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struct samr_getuserdomgroups_state *state =
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tevent_req_callback_data(subreq,
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struct samr_getuserdomgroups_state);
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state->ctx->status = dcerpc_samr_Close_r_recv(subreq, state);
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TALLOC_FREE(subreq);
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if (!composite_is_ok(state->ctx)) return;
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state->ctx->status = state->c.out.result;
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if (!composite_is_ok(state->ctx)) return;
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composite_done(state->ctx);
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}
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NTSTATUS wb_samr_userdomgroups_recv(struct composite_context *ctx,
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TALLOC_CTX *mem_ctx,
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uint32_t *num_rids, uint32_t **rids)
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{
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struct samr_getuserdomgroups_state *state =
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talloc_get_type(ctx->private_data,
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struct samr_getuserdomgroups_state);
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uint32_t i;
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NTSTATUS status = composite_wait(ctx);
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if (!NT_STATUS_IS_OK(status)) goto done;
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*num_rids = state->rid_array->count;
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*rids = talloc_array(mem_ctx, uint32_t, *num_rids);
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if (*rids == NULL) {
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status = NT_STATUS_NO_MEMORY;
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goto done;
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}
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for (i=0; i<*num_rids; i++) {
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(*rids)[i] = state->rid_array->rids[i].rid;
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}
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done:
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talloc_free(ctx);
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return status;
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}
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