From a86387d42c72bb44300a47a607f45b0e2d98238a Mon Sep 17 00:00:00 2001 From: Stefan Metzmacher Date: Tue, 21 Dec 2004 12:22:57 +0000 Subject: r4323: - implement the lsa_GetUserName() server call - give lsa_lookup_sid() a chance with foreign SIDS returning NT_STATUS_NO_MEMORY makes no sense here as the ldb_msg_find_string() doesn't allocate the string metze (This used to be commit b43f34e87354c82a3392a0ba99b38b4c7185e47c) --- source4/rpc_server/lsa/dcesrv_lsa.c | 124 ++++++++++++++++++++++++++++++------ 1 file changed, 106 insertions(+), 18 deletions(-) (limited to 'source4/rpc_server') diff --git a/source4/rpc_server/lsa/dcesrv_lsa.c b/source4/rpc_server/lsa/dcesrv_lsa.c index a4796f4356..606555ba50 100644 --- a/source4/rpc_server/lsa/dcesrv_lsa.c +++ b/source4/rpc_server/lsa/dcesrv_lsa.c @@ -26,6 +26,7 @@ #include "rpc_server/dcerpc_server.h" #include "rpc_server/common/common.h" #include "lib/ldb/include/ldb.h" +#include "auth/auth.h" /* this type allows us to distinguish handle types @@ -187,20 +188,13 @@ static NTSTATUS lsa_ChangePassword(struct dcesrv_call_state *dce_call, TALLOC_CT DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR); } - -/* - lsa_OpenPolicy2 -*/ -static NTSTATUS lsa_OpenPolicy2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, - struct lsa_OpenPolicy2 *r) +static NTSTATUS lsa_get_policy_state(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, + struct lsa_policy_state **_state) { struct lsa_policy_state *state; - struct dcesrv_handle *handle; const char *sid_str; - ZERO_STRUCTP(r->out.handle); - - state = talloc_p(dce_call->conn, struct lsa_policy_state); + state = talloc_p(mem_ctx, struct lsa_policy_state); if (!state) { return NT_STATUS_NO_MEMORY; } @@ -261,15 +255,35 @@ static NTSTATUS lsa_OpenPolicy2(struct dcesrv_call_state *dce_call, TALLOC_CTX * talloc_free(state); return NT_STATUS_NO_SUCH_DOMAIN; } - + + *_state = state; + + return NT_STATUS_OK; +} + +/* + lsa_OpenPolicy2 +*/ +static NTSTATUS lsa_OpenPolicy2(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, + struct lsa_OpenPolicy2 *r) +{ + NTSTATUS status; + struct lsa_policy_state *state; + struct dcesrv_handle *handle; + + ZERO_STRUCTP(r->out.handle); + + status = lsa_get_policy_state(dce_call, mem_ctx, &state); + if (!NT_STATUS_IS_OK(status)) { + return status; + } handle = dcesrv_handle_new(dce_call->conn, LSA_HANDLE_POLICY); if (!handle) { - talloc_free(state); return NT_STATUS_NO_MEMORY; } - handle->data = state; + handle->data = talloc_reference(handle, state); handle->destroy = lsa_Policy_destroy; state->access_mask = r->in.access_mask; @@ -599,17 +613,21 @@ static NTSTATUS lsa_lookup_sid(struct lsa_policy_state *state, TALLOC_CTX *mem_c { int ret; struct ldb_message **res; - const char * const attrs[] = { "sAMAccountName", "sAMAccountType", NULL}; + const char * const attrs[] = { "sAMAccountName", "sAMAccountType", "name", NULL}; NTSTATUS status; ret = samdb_search(state->sam_ctx, mem_ctx, NULL, &res, attrs, "objectSid=%s", sid_str); if (ret == 1) { *name = ldb_msg_find_string(res[0], "sAMAccountName", NULL); - if (*name == NULL) { - return NT_STATUS_NO_MEMORY; + if (!*name) { + *name = ldb_msg_find_string(res[0], "name", NULL); + if (!*name) { + *name = talloc_strdup(mem_ctx, sid_str); + NTSTATUS_TALLOC_CHECK(*name); + } } - + *atype = samdb_result_uint(res[0], "sAMAccountType", 0); return NT_STATUS_OK; @@ -1482,7 +1500,77 @@ static NTSTATUS lsa_RetrievePrivateData(struct dcesrv_call_state *dce_call, TALL static NTSTATUS lsa_GetUserName(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct lsa_GetUserName *r) { - DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR); + NTSTATUS status = NT_STATUS_OK; + struct lsa_policy_state *state; + uint32_t atype; + struct dom_sid *account_sid; + struct dom_sid *authority_sid; + const char *account_sid_str; + const char *account_name; + const char *authority_name; + struct lsa_String *_account_name; + struct lsa_StringPointer *_authority_name = NULL; + + /* this is what w2k3 does */ + r->out.account_name = r->in.account_name; + r->out.authority_name = r->in.authority_name; + + if (r->in.account_name && r->in.account_name->string) { + return NT_STATUS_INVALID_PARAMETER; + } + + if (r->in.authority_name && + r->in.authority_name->string && + r->in.authority_name->string->string) { + return NT_STATUS_INVALID_PARAMETER; + } + + /* TODO: this check should go and we should rely on the calling code that this is valid */ + if (!dce_call->conn->auth_state.session_info || + !dce_call->conn->auth_state.session_info->security_token || + !dce_call->conn->auth_state.session_info->security_token->user_sid) { + return NT_STATUS_INTERNAL_ERROR; + } + + account_sid = dce_call->conn->auth_state.session_info->security_token->user_sid; + + account_sid_str = dom_sid_string(mem_ctx, account_sid); + NTSTATUS_TALLOC_CHECK(account_sid_str); + + status = lsa_get_policy_state(dce_call, mem_ctx, &state); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + status = lsa_lookup_sid(state, mem_ctx, + account_sid, account_sid_str, + &account_name, &atype); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + _account_name = talloc_p(mem_ctx, struct lsa_String); + NTSTATUS_TALLOC_CHECK(_account_name); + _account_name->string = account_name; + + if (r->in.authority_name) { + status = lsa_authority_name(state, mem_ctx, account_sid, + &authority_name, &authority_sid); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + _authority_name = talloc_p(mem_ctx, struct lsa_StringPointer); + NTSTATUS_TALLOC_CHECK(_authority_name); + _authority_name->string = talloc_p(mem_ctx, struct lsa_String); + NTSTATUS_TALLOC_CHECK(_authority_name->string); + _authority_name->string->string = authority_name; + } + + r->out.account_name = _account_name; + r->out.authority_name = _authority_name; + + return status; } /* -- cgit