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https://github.com/samba-team/samba.git
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winbindd: Add a cache of the samr and lsa handles for the passdb domain
This domain is very close, in AD DC configurations over a internal ncacn_np pipe and otherwise in the same process via C linking. It is however very expensive to re-create the binding handle per SID->name lookup, so keep a cache. Signed-off-by: Andrew Bartlett <abartlet@samba.org> Reviewed-by: Ralph Boehme <slow@samba.org>
This commit is contained in:
Andrew Bartlett
@ -40,6 +40,20 @@
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#undef DBGC_CLASS
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#define DBGC_CLASS DBGC_WINBIND
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/*
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* The other end of this won't go away easily, so we can trust it
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*
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* It is either a long-lived process with the same lifetime as
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* winbindd or a part of this process
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*/
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struct winbind_internal_pipes {
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struct rpc_pipe_client *samr_pipe;
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struct policy_handle samr_domain_hnd;
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struct rpc_pipe_client *lsa_pipe;
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struct policy_handle lsa_hnd;
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};
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NTSTATUS open_internal_samr_conn(TALLOC_CTX *mem_ctx,
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struct winbindd_domain *domain,
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struct rpc_pipe_client **samr_pipe,
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@ -101,6 +115,70 @@ NTSTATUS open_internal_lsa_conn(TALLOC_CTX *mem_ctx,
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return status;
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}
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static NTSTATUS open_cached_internal_pipe_conn(
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struct winbindd_domain *domain,
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struct rpc_pipe_client **samr_pipe,
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struct policy_handle *samr_domain_hnd,
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struct rpc_pipe_client **lsa_pipe,
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struct policy_handle *lsa_hnd)
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{
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struct winbind_internal_pipes *internal_pipes = NULL;
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if (domain->private_data == NULL) {
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TALLOC_CTX *frame = talloc_stackframe();
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NTSTATUS status;
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internal_pipes = talloc_zero(frame,
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struct winbind_internal_pipes);
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status = open_internal_samr_conn(
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internal_pipes,
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domain,
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&internal_pipes->samr_pipe,
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&internal_pipes->samr_domain_hnd);
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if (!NT_STATUS_IS_OK(status)) {
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TALLOC_FREE(frame);
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return status;
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}
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status = open_internal_lsa_conn(internal_pipes,
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&internal_pipes->lsa_pipe,
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&internal_pipes->lsa_hnd);
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if (!NT_STATUS_IS_OK(status)) {
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TALLOC_FREE(frame);
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return status;
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}
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domain->private_data = talloc_move(domain, &internal_pipes);
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TALLOC_FREE(frame);
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}
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internal_pipes = talloc_get_type_abort(
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domain->private_data, struct winbind_internal_pipes);
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if (samr_domain_hnd) {
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*samr_domain_hnd = internal_pipes->samr_domain_hnd;
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}
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if (samr_pipe) {
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*samr_pipe = internal_pipes->samr_pipe;
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}
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if (lsa_hnd) {
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*lsa_hnd = internal_pipes->lsa_hnd;
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}
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if (lsa_pipe) {
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*lsa_pipe = internal_pipes->lsa_pipe;
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}
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return NT_STATUS_OK;
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}
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/*********************************************************************
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SAM specific functions.
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*********************************************************************/
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@ -116,8 +194,7 @@ static NTSTATUS sam_enum_dom_groups(struct winbindd_domain *domain,
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struct wb_acct_info *info = NULL;
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uint32_t num_info = 0;
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TALLOC_CTX *tmp_ctx;
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NTSTATUS status, result;
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struct dcerpc_binding_handle *b = NULL;
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NTSTATUS status;
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DEBUG(3,("sam_enum_dom_groups\n"));
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@ -130,20 +207,24 @@ static NTSTATUS sam_enum_dom_groups(struct winbindd_domain *domain,
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return NT_STATUS_NO_MEMORY;
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}
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status = open_internal_samr_conn(tmp_ctx, domain, &samr_pipe, &dom_pol);
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status = open_cached_internal_pipe_conn(domain,
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&samr_pipe,
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&dom_pol,
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NULL,
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NULL);
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if (!NT_STATUS_IS_OK(status)) {
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goto error;
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TALLOC_FREE(tmp_ctx);
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return status;
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}
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b = samr_pipe->binding_handle;
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status = rpc_enum_dom_groups(tmp_ctx,
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samr_pipe,
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&dom_pol,
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&num_info,
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&info);
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if (!NT_STATUS_IS_OK(status)) {
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goto error;
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TALLOC_FREE(tmp_ctx);
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return status;
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}
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if (pnum_info) {
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@ -154,10 +235,6 @@ static NTSTATUS sam_enum_dom_groups(struct winbindd_domain *domain,
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*pinfo = talloc_move(mem_ctx, &info);
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}
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error:
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if (b && is_valid_policy_hnd(&dom_pol)) {
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dcerpc_samr_Close(b, mem_ctx, &dom_pol, &result);
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}
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TALLOC_FREE(tmp_ctx);
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return status;
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}
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@ -171,8 +248,7 @@ static NTSTATUS sam_query_user_list(struct winbindd_domain *domain,
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struct policy_handle dom_pol = { 0 };
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uint32_t *rids = NULL;
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TALLOC_CTX *tmp_ctx;
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NTSTATUS status, result;
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struct dcerpc_binding_handle *b = NULL;
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NTSTATUS status;
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DEBUG(3,("samr_query_user_list\n"));
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@ -181,13 +257,15 @@ static NTSTATUS sam_query_user_list(struct winbindd_domain *domain,
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return NT_STATUS_NO_MEMORY;
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}
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status = open_internal_samr_conn(tmp_ctx, domain, &samr_pipe, &dom_pol);
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status = open_cached_internal_pipe_conn(domain,
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&samr_pipe,
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&dom_pol,
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NULL,
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NULL);
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if (!NT_STATUS_IS_OK(status)) {
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goto done;
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}
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b = samr_pipe->binding_handle;
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status = rpc_query_user_list(tmp_ctx,
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samr_pipe,
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&dom_pol,
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@ -202,10 +280,6 @@ static NTSTATUS sam_query_user_list(struct winbindd_domain *domain,
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}
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done:
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if (b && is_valid_policy_hnd(&dom_pol)) {
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dcerpc_samr_Close(b, mem_ctx, &dom_pol, &result);
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}
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TALLOC_FREE(rids);
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TALLOC_FREE(tmp_ctx);
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return status;
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@ -221,8 +295,7 @@ static NTSTATUS sam_trusted_domains(struct winbindd_domain *domain,
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struct netr_DomainTrust *trusts = NULL;
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uint32_t num_trusts = 0;
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TALLOC_CTX *tmp_ctx;
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NTSTATUS status, result;
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struct dcerpc_binding_handle *b = NULL;
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NTSTATUS status;
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DEBUG(3,("samr: trusted domains\n"));
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@ -235,13 +308,15 @@ static NTSTATUS sam_trusted_domains(struct winbindd_domain *domain,
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return NT_STATUS_NO_MEMORY;
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}
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status = open_internal_lsa_conn(tmp_ctx, &lsa_pipe, &lsa_policy);
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status = open_cached_internal_pipe_conn(domain,
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NULL,
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NULL,
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&lsa_pipe,
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&lsa_policy);
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if (!NT_STATUS_IS_OK(status)) {
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goto done;
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}
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b = lsa_pipe->binding_handle;
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status = rpc_trusted_domains(tmp_ctx,
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lsa_pipe,
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&lsa_policy,
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@ -257,10 +332,6 @@ static NTSTATUS sam_trusted_domains(struct winbindd_domain *domain,
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}
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done:
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if (b && is_valid_policy_hnd(&lsa_policy)) {
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dcerpc_lsa_Close(b, mem_ctx, &lsa_policy, &result);
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}
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TALLOC_FREE(tmp_ctx);
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return status;
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}
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@ -284,8 +355,7 @@ static NTSTATUS sam_lookup_groupmem(struct winbindd_domain *domain,
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uint32_t *name_types = NULL;
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TALLOC_CTX *tmp_ctx;
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NTSTATUS status, result;
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struct dcerpc_binding_handle *b = NULL;
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NTSTATUS status;
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DEBUG(3,("sam_lookup_groupmem\n"));
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@ -304,13 +374,15 @@ static NTSTATUS sam_lookup_groupmem(struct winbindd_domain *domain,
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return NT_STATUS_NO_MEMORY;
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}
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status = open_internal_samr_conn(tmp_ctx, domain, &samr_pipe, &dom_pol);
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status = open_cached_internal_pipe_conn(domain,
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&samr_pipe,
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&dom_pol,
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NULL,
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NULL);
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if (!NT_STATUS_IS_OK(status)) {
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goto done;
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}
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b = samr_pipe->binding_handle;
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status = rpc_lookup_groupmem(tmp_ctx,
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samr_pipe,
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&dom_pol,
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@ -340,10 +412,6 @@ static NTSTATUS sam_lookup_groupmem(struct winbindd_domain *domain,
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}
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done:
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if (b && is_valid_policy_hnd(&dom_pol)) {
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dcerpc_samr_Close(b, mem_ctx, &dom_pol, &result);
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}
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TALLOC_FREE(tmp_ctx);
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return status;
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}
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@ -398,8 +466,7 @@ static NTSTATUS sam_enum_local_groups(struct winbindd_domain *domain,
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struct wb_acct_info *info = NULL;
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uint32_t num_info = 0;
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TALLOC_CTX *tmp_ctx;
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NTSTATUS status, result;
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struct dcerpc_binding_handle *b = NULL;
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NTSTATUS status;
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DEBUG(3,("samr: enum local groups\n"));
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@ -412,13 +479,15 @@ static NTSTATUS sam_enum_local_groups(struct winbindd_domain *domain,
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return NT_STATUS_NO_MEMORY;
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}
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status = open_internal_samr_conn(tmp_ctx, domain, &samr_pipe, &dom_pol);
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status = open_cached_internal_pipe_conn(domain,
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&samr_pipe,
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&dom_pol,
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NULL,
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NULL);
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if (!NT_STATUS_IS_OK(status)) {
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goto done;
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}
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b = samr_pipe->binding_handle;
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status = rpc_enum_local_groups(mem_ctx,
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samr_pipe,
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&dom_pol,
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@ -437,10 +506,6 @@ static NTSTATUS sam_enum_local_groups(struct winbindd_domain *domain,
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}
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done:
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if (b && is_valid_policy_hnd(&dom_pol)) {
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dcerpc_samr_Close(b, mem_ctx, &dom_pol, &result);
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}
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TALLOC_FREE(tmp_ctx);
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return status;
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}
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@ -459,8 +524,7 @@ static NTSTATUS sam_name_to_sid(struct winbindd_domain *domain,
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struct dom_sid sid;
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enum lsa_SidType type;
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TALLOC_CTX *tmp_ctx;
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NTSTATUS status, result;
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struct dcerpc_binding_handle *b = NULL;
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NTSTATUS status;
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DEBUG(3,("sam_name_to_sid\n"));
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@ -469,13 +533,15 @@ static NTSTATUS sam_name_to_sid(struct winbindd_domain *domain,
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return NT_STATUS_NO_MEMORY;
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}
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status = open_internal_lsa_conn(tmp_ctx, &lsa_pipe, &lsa_policy);
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status = open_cached_internal_pipe_conn(domain,
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NULL,
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NULL,
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&lsa_pipe,
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&lsa_policy);
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if (!NT_STATUS_IS_OK(status)) {
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goto done;
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}
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b = lsa_pipe->binding_handle;
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status = rpc_name_to_sid(tmp_ctx,
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lsa_pipe,
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&lsa_policy,
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@ -496,10 +562,6 @@ static NTSTATUS sam_name_to_sid(struct winbindd_domain *domain,
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}
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done:
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if (b && is_valid_policy_hnd(&lsa_policy)) {
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dcerpc_lsa_Close(b, mem_ctx, &lsa_policy, &result);
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}
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TALLOC_FREE(tmp_ctx);
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return status;
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}
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@ -518,8 +580,7 @@ static NTSTATUS sam_sid_to_name(struct winbindd_domain *domain,
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char *name = NULL;
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enum lsa_SidType type;
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TALLOC_CTX *tmp_ctx;
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NTSTATUS status, result;
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struct dcerpc_binding_handle *b = NULL;
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NTSTATUS status;
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DEBUG(3,("sam_sid_to_name\n"));
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@ -543,13 +604,15 @@ static NTSTATUS sam_sid_to_name(struct winbindd_domain *domain,
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return NT_STATUS_NO_MEMORY;
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}
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status = open_internal_lsa_conn(tmp_ctx, &lsa_pipe, &lsa_policy);
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status = open_cached_internal_pipe_conn(domain,
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NULL,
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NULL,
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&lsa_pipe,
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&lsa_policy);
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if (!NT_STATUS_IS_OK(status)) {
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goto done;
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}
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b = lsa_pipe->binding_handle;
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status = rpc_sid_to_name(tmp_ctx,
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lsa_pipe,
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&lsa_policy,
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@ -572,9 +635,6 @@ static NTSTATUS sam_sid_to_name(struct winbindd_domain *domain,
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}
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done:
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if (b && is_valid_policy_hnd(&lsa_policy)) {
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dcerpc_lsa_Close(b, mem_ctx, &lsa_policy, &result);
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}
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TALLOC_FREE(tmp_ctx);
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return status;
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@ -595,8 +655,7 @@ static NTSTATUS sam_rids_to_names(struct winbindd_domain *domain,
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char *domain_name = NULL;
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char **names = NULL;
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TALLOC_CTX *tmp_ctx;
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NTSTATUS status, result;
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struct dcerpc_binding_handle *b = NULL;
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NTSTATUS status;
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DEBUG(3,("sam_rids_to_names for %s\n", domain->name));
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@ -616,13 +675,15 @@ static NTSTATUS sam_rids_to_names(struct winbindd_domain *domain,
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return NT_STATUS_NO_MEMORY;
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}
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status = open_internal_lsa_conn(tmp_ctx, &lsa_pipe, &lsa_policy);
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status = open_cached_internal_pipe_conn(domain,
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NULL,
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NULL,
|
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&lsa_pipe,
|
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&lsa_policy);
|
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if (!NT_STATUS_IS_OK(status)) {
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goto done;
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}
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b = lsa_pipe->binding_handle;
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status = rpc_rids_to_names(tmp_ctx,
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lsa_pipe,
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&lsa_policy,
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@ -650,10 +711,6 @@ static NTSTATUS sam_rids_to_names(struct winbindd_domain *domain,
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}
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done:
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if (b && is_valid_policy_hnd(&lsa_policy)) {
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dcerpc_lsa_Close(b, mem_ctx, &lsa_policy, &result);
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}
|
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|
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TALLOC_FREE(tmp_ctx);
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return status;
|
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}
|
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@ -676,7 +733,11 @@ static NTSTATUS sam_lockout_policy(struct winbindd_domain *domain,
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return NT_STATUS_NO_MEMORY;
|
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}
|
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|
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status = open_internal_samr_conn(tmp_ctx, domain, &samr_pipe, &dom_pol);
|
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status = open_cached_internal_pipe_conn(domain,
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&samr_pipe,
|
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&dom_pol,
|
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NULL,
|
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NULL);
|
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if (!NT_STATUS_IS_OK(status)) {
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goto error;
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}
|
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@ -700,10 +761,6 @@ static NTSTATUS sam_lockout_policy(struct winbindd_domain *domain,
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*lockout_policy = info->info12;
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error:
|
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if (b && is_valid_policy_hnd(&dom_pol)) {
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dcerpc_samr_Close(b, mem_ctx, &dom_pol, &result);
|
||||
}
|
||||
|
||||
TALLOC_FREE(tmp_ctx);
|
||||
return status;
|
||||
}
|
||||
@ -726,7 +783,11 @@ static NTSTATUS sam_password_policy(struct winbindd_domain *domain,
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return NT_STATUS_NO_MEMORY;
|
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}
|
||||
|
||||
status = open_internal_samr_conn(tmp_ctx, domain, &samr_pipe, &dom_pol);
|
||||
status = open_cached_internal_pipe_conn(domain,
|
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&samr_pipe,
|
||||
&dom_pol,
|
||||
NULL,
|
||||
NULL);
|
||||
if (!NT_STATUS_IS_OK(status)) {
|
||||
goto error;
|
||||
}
|
||||
@ -750,10 +811,6 @@ static NTSTATUS sam_password_policy(struct winbindd_domain *domain,
|
||||
*passwd_policy = info->info1;
|
||||
|
||||
error:
|
||||
if (b && is_valid_policy_hnd(&dom_pol)) {
|
||||
dcerpc_samr_Close(b, mem_ctx, &dom_pol, &result);
|
||||
}
|
||||
|
||||
TALLOC_FREE(tmp_ctx);
|
||||
return status;
|
||||
}
|
||||
@ -770,8 +827,7 @@ static NTSTATUS sam_lookup_usergroups(struct winbindd_domain *domain,
|
||||
struct dom_sid *user_grpsids = NULL;
|
||||
uint32_t num_groups = 0;
|
||||
TALLOC_CTX *tmp_ctx;
|
||||
NTSTATUS status, result;
|
||||
struct dcerpc_binding_handle *b = NULL;
|
||||
NTSTATUS status;
|
||||
|
||||
DEBUG(3,("sam_lookup_usergroups\n"));
|
||||
|
||||
@ -786,13 +842,15 @@ static NTSTATUS sam_lookup_usergroups(struct winbindd_domain *domain,
|
||||
return NT_STATUS_NO_MEMORY;
|
||||
}
|
||||
|
||||
status = open_internal_samr_conn(tmp_ctx, domain, &samr_pipe, &dom_pol);
|
||||
status = open_cached_internal_pipe_conn(domain,
|
||||
&samr_pipe,
|
||||
&dom_pol,
|
||||
NULL,
|
||||
NULL);
|
||||
if (!NT_STATUS_IS_OK(status)) {
|
||||
goto done;
|
||||
}
|
||||
|
||||
b = samr_pipe->binding_handle;
|
||||
|
||||
status = rpc_lookup_usergroups(tmp_ctx,
|
||||
samr_pipe,
|
||||
&dom_pol,
|
||||
@ -813,9 +871,6 @@ static NTSTATUS sam_lookup_usergroups(struct winbindd_domain *domain,
|
||||
}
|
||||
|
||||
done:
|
||||
if (b && is_valid_policy_hnd(&dom_pol)) {
|
||||
dcerpc_samr_Close(b, mem_ctx, &dom_pol, &result);
|
||||
}
|
||||
|
||||
TALLOC_FREE(tmp_ctx);
|
||||
return status;
|
||||
@ -833,8 +888,7 @@ static NTSTATUS sam_lookup_useraliases(struct winbindd_domain *domain,
|
||||
uint32_t num_aliases = 0;
|
||||
uint32_t *alias_rids = NULL;
|
||||
TALLOC_CTX *tmp_ctx;
|
||||
NTSTATUS status, result;
|
||||
struct dcerpc_binding_handle *b = NULL;
|
||||
NTSTATUS status;
|
||||
|
||||
DEBUG(3,("sam_lookup_useraliases\n"));
|
||||
|
||||
@ -847,13 +901,15 @@ static NTSTATUS sam_lookup_useraliases(struct winbindd_domain *domain,
|
||||
return NT_STATUS_NO_MEMORY;
|
||||
}
|
||||
|
||||
status = open_internal_samr_conn(tmp_ctx, domain, &samr_pipe, &dom_pol);
|
||||
status = open_cached_internal_pipe_conn(domain,
|
||||
&samr_pipe,
|
||||
&dom_pol,
|
||||
NULL,
|
||||
NULL);
|
||||
if (!NT_STATUS_IS_OK(status)) {
|
||||
goto done;
|
||||
}
|
||||
|
||||
b = samr_pipe->binding_handle;
|
||||
|
||||
status = rpc_lookup_useraliases(tmp_ctx,
|
||||
samr_pipe,
|
||||
&dom_pol,
|
||||
@ -874,9 +930,6 @@ static NTSTATUS sam_lookup_useraliases(struct winbindd_domain *domain,
|
||||
}
|
||||
|
||||
done:
|
||||
if (b && is_valid_policy_hnd(&dom_pol)) {
|
||||
dcerpc_samr_Close(b, mem_ctx, &dom_pol, &result);
|
||||
}
|
||||
|
||||
TALLOC_FREE(tmp_ctx);
|
||||
return status;
|
||||
@ -890,8 +943,7 @@ static NTSTATUS sam_sequence_number(struct winbindd_domain *domain,
|
||||
struct policy_handle dom_pol = { 0 };
|
||||
uint32_t seq = DOM_SEQUENCE_NONE;
|
||||
TALLOC_CTX *tmp_ctx;
|
||||
NTSTATUS status, result;
|
||||
struct dcerpc_binding_handle *b = NULL;
|
||||
NTSTATUS status;
|
||||
|
||||
DEBUG(3,("samr: sequence number\n"));
|
||||
|
||||
@ -904,13 +956,15 @@ static NTSTATUS sam_sequence_number(struct winbindd_domain *domain,
|
||||
return NT_STATUS_NO_MEMORY;
|
||||
}
|
||||
|
||||
status = open_internal_samr_conn(tmp_ctx, domain, &samr_pipe, &dom_pol);
|
||||
status = open_cached_internal_pipe_conn(domain,
|
||||
&samr_pipe,
|
||||
&dom_pol,
|
||||
NULL,
|
||||
NULL);
|
||||
if (!NT_STATUS_IS_OK(status)) {
|
||||
goto done;
|
||||
}
|
||||
|
||||
b = samr_pipe->binding_handle;
|
||||
|
||||
status = rpc_sequence_number(tmp_ctx,
|
||||
samr_pipe,
|
||||
&dom_pol,
|
||||
@ -923,11 +977,8 @@ static NTSTATUS sam_sequence_number(struct winbindd_domain *domain,
|
||||
if (pseq) {
|
||||
*pseq = seq;
|
||||
}
|
||||
done:
|
||||
if (b && is_valid_policy_hnd(&dom_pol)) {
|
||||
dcerpc_samr_Close(b, tmp_ctx, &dom_pol, &result);
|
||||
}
|
||||
|
||||
done:
|
||||
TALLOC_FREE(tmp_ctx);
|
||||
return status;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user