diff options
Diffstat (limited to 'source4/rpc_server/drsuapi/updaterefs.c')
| -rw-r--r-- | source4/rpc_server/drsuapi/updaterefs.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/source4/rpc_server/drsuapi/updaterefs.c b/source4/rpc_server/drsuapi/updaterefs.c index dd3a3342b5..0403db8f88 100644 --- a/source4/rpc_server/drsuapi/updaterefs.c +++ b/source4/rpc_server/drsuapi/updaterefs.c @@ -23,6 +23,8 @@ #include "rpc_server/dcerpc_server.h" #include "dsdb/samdb/samdb.h" #include "rpc_server/drsuapi/dcesrv_drsuapi.h" +#include "libcli/security/security.h" +#include "auth/session.h" struct repsTo { uint32_t count; @@ -189,11 +191,13 @@ WERROR dcesrv_drsuapi_DsReplicaUpdateRefs(struct dcesrv_call_state *dce_call, TA struct drsuapi_bind_state *b_state; struct drsuapi_DsReplicaUpdateRefsRequest1 *req; WERROR werr; + int ret; + enum security_user_level security_level; DCESRV_PULL_HANDLE_WERR(h, r->in.bind_handle, DRSUAPI_BIND_HANDLE); b_state = h->data; - werr = drs_security_level_check(dce_call, "DsReplicaUpdateRefs"); + werr = drs_security_level_check(dce_call, "DsReplicaUpdateRefs", SECURITY_RO_DOMAIN_CONTROLLER); if (!W_ERROR_IS_OK(werr)) { return werr; } @@ -205,7 +209,20 @@ WERROR dcesrv_drsuapi_DsReplicaUpdateRefs(struct dcesrv_call_state *dce_call, TA req = &r->in.req.req1; + security_level = security_session_user_level(dce_call->conn->auth_state.session_info, NULL); + if (security_level < SECURITY_ADMINISTRATOR) { + /* check that they are using an invocationId that they own */ + ret = dsdb_validate_invocation_id(b_state->sam_ctx, + &req->dest_dsa_guid, + dce_call->conn->auth_state.session_info->security_token->user_sid); + if (ret != LDB_SUCCESS) { + DEBUG(0,(__location__ ": Refusing DsReplicaUpdateRefs for sid %s with GUID %s\n", + dom_sid_string(mem_ctx, + dce_call->conn->auth_state.session_info->security_token->user_sid), + GUID_string(mem_ctx, &req->dest_dsa_guid))); + return WERR_DS_DRA_ACCESS_DENIED; + } + } + return drsuapi_UpdateRefs(b_state, mem_ctx, req); } - - |