s3:winbindd_lookuprids: use wbint_LookupSids instead of wbint_LookupRids for most...
authorStefan Metzmacher <metze@samba.org>
Fri, 24 Jun 2011 18:13:26 +0000 (20:13 +0200)
committerStefan Metzmacher <metze@samba.org>
Fri, 24 Jun 2011 18:16:43 +0000 (20:16 +0200)
Using wbint_LookupRids() looses the domain sid to which the rids belong.
We can only use wbint_LookupRids for the domain of our local sam,
for the unix user/group and builtin domains and trusts we need to
use wbint_LookupSids in order to pass the domain sids to the target.

metze

source3/winbindd/winbindd_lookuprids.c

index 738adba..0379be6 100644 (file)
 #include "winbindd.h"
 #include "librpc/gen_ndr/ndr_wbint_c.h"
 #include "../libcli/security/security.h"
+#include "passdb/machine_sid.h"
 
 struct winbindd_lookuprids_state {
        struct tevent_context *ev;
        const char *domain_name;
        struct wbint_RidArray rids;
        struct wbint_Principals names;
+
+       struct lsa_SidArray tmp_sids;
+       struct lsa_RefDomainList tmp_domains;
+       struct lsa_TransNameArray tmp_names;
 };
 
 static bool parse_ridlist(TALLOC_CTX *mem_ctx, char *ridstr,
                          uint32_t **prids, uint32_t *pnum_rids);
 
-static void winbindd_lookuprids_done(struct tevent_req *subreq);
+static void winbindd_lookuprids_rids_done(struct tevent_req *subreq);
+static void winbindd_lookuprids_sids_done(struct tevent_req *subreq);
 
 struct tevent_req *winbindd_lookuprids_send(TALLOC_CTX *mem_ctx,
                                            struct tevent_context *ev,
@@ -43,6 +49,7 @@ struct tevent_req *winbindd_lookuprids_send(TALLOC_CTX *mem_ctx,
        struct winbindd_lookuprids_state *state;
        struct winbindd_domain *domain;
        struct dom_sid sid;
+       uint32_t i;
 
        req = tevent_req_create(mem_ctx, &state,
                                struct winbindd_lookuprids_state);
@@ -83,17 +90,52 @@ struct tevent_req *winbindd_lookuprids_send(TALLOC_CTX *mem_ctx,
                return tevent_req_post(req, ev);
        }
 
-       subreq = dcerpc_wbint_LookupRids_send(
-               state, ev, dom_child_handle(domain), &state->rids,
-               &state->domain_name, &state->names);
+       if (sid_check_is_domain(&sid)) {
+               subreq = dcerpc_wbint_LookupRids_send(
+                       state, ev, dom_child_handle(domain), &state->rids,
+                       &state->domain_name, &state->names);
+               if (tevent_req_nomem(subreq, req)) {
+                       return tevent_req_post(req, ev);
+               }
+               tevent_req_set_callback(subreq, winbindd_lookuprids_rids_done, req);
+               return req;
+       }
+
+       state->tmp_sids.num_sids = state->rids.num_rids;
+       state->tmp_sids.sids = talloc_array(state, struct lsa_SidPtr,
+                                           state->tmp_sids.num_sids);
+       if (tevent_req_nomem(state->tmp_sids.sids, req)) {
+               return tevent_req_post(req, ev);
+       }
+
+       for (i=0; i<state->rids.num_rids; i++) {
+               struct lsa_SidPtr *cur = &state->tmp_sids.sids[i];
+               cur->sid = dom_sid_add_rid(state->tmp_sids.sids,
+                                          &sid, state->rids.rids[i]);
+               if (tevent_req_nomem(cur->sid, req)) {
+                       return tevent_req_post(req, ev);
+               }
+       }
+
+       state->names.num_principals = state->rids.num_rids;
+       state->names.principals = talloc_array(state,
+                                              struct wbint_Principal,
+                                              state->names.num_principals);
+       if (tevent_req_nomem(state->names.principals, req)) {
+               return tevent_req_post(req, ev);
+       }
+
+       subreq = dcerpc_wbint_LookupSids_send(
+               state, state->ev, dom_child_handle(domain),
+               &state->tmp_sids, &state->tmp_domains, &state->tmp_names);
        if (tevent_req_nomem(subreq, req)) {
                return tevent_req_post(req, ev);
        }
-       tevent_req_set_callback(subreq, winbindd_lookuprids_done, req);
+       tevent_req_set_callback(subreq, winbindd_lookuprids_sids_done, req);
        return req;
 }
 
-static void winbindd_lookuprids_done(struct tevent_req *subreq)
+static void winbindd_lookuprids_rids_done(struct tevent_req *subreq)
 {
        struct tevent_req *req = tevent_req_callback_data(
                subreq, struct tevent_req);
@@ -110,6 +152,52 @@ static void winbindd_lookuprids_done(struct tevent_req *subreq)
        tevent_req_done(req);
 }
 
+static void winbindd_lookuprids_sids_done(struct tevent_req *subreq)
+{
+       struct tevent_req *req = tevent_req_callback_data(
+               subreq, struct tevent_req);
+       struct winbindd_lookuprids_state *state = tevent_req_data(
+               req, struct winbindd_lookuprids_state);
+       NTSTATUS status, result;
+       uint32_t i;
+
+       status = dcerpc_wbint_LookupSids_recv(subreq, state, &result);
+       TALLOC_FREE(subreq);
+       if (any_nt_status_not_ok(status, result, &status)) {
+               tevent_req_nterror(req, status);
+               return;
+       }
+
+       if (state->tmp_names.count != state->names.num_principals) {
+               tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
+               return;
+       }
+
+       if (state->tmp_domains.count != 1) {
+               tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
+               return;
+       }
+
+       state->domain_name = talloc_move(state,
+                                        &state->tmp_domains.domains[0].name.string);
+
+       for (i=0; i < state->tmp_names.count; i++) {
+               struct lsa_TranslatedName *n = &state->tmp_names.names[i];
+               struct wbint_Principal *p = &state->names.principals[i];
+
+               if (n->sid_index != 0) {
+                       tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
+                       return;
+               }
+
+               p->name = talloc_move(state->names.principals, &n->name.string);
+               p->sid = *state->tmp_sids.sids[i].sid;
+               p->type = n->sid_type;
+       }
+
+       tevent_req_done(req);
+}
+
 NTSTATUS winbindd_lookuprids_recv(struct tevent_req *req,
                                  struct winbindd_response *response)
 {