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https://github.com/samba-team/samba.git
synced 2024-12-24 21:34:56 +03:00
r4280: added server side support for lsa_AddPrivilegesToAccount() and lsa_RemovePrivilegesFromAccount()
these are the last of the server side privileges functions. We should now have a complete privileges implementation.
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705b870c73
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76db300232
@ -40,6 +40,7 @@ enum lsa_handle {
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state associated with a lsa_OpenPolicy() operation
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*/
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struct lsa_policy_state {
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struct dcesrv_handle *handle;
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void *sam_ctx;
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struct sidmap_context *sidmap;
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uint32_t access_mask;
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@ -272,6 +273,7 @@ static NTSTATUS lsa_OpenPolicy2(struct dcesrv_call_state *dce_call, TALLOC_CTX *
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handle->destroy = lsa_Policy_destroy;
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state->access_mask = r->in.access_mask;
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state->handle = handle;
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*r->out.handle = handle->wire_handle;
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/* note that we have completely ignored the attr element of
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@ -877,13 +879,158 @@ static NTSTATUS lsa_EnumPrivsAccount(struct dcesrv_call_state *dce_call,
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}
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/*
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helper for lsa_AddAccountRights and lsa_RemoveAccountRights
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*/
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static NTSTATUS lsa_AddRemoveAccountRights(struct dcesrv_call_state *dce_call,
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TALLOC_CTX *mem_ctx,
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struct lsa_policy_state *state,
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int ldb_flag,
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const struct dom_sid *sid,
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const struct lsa_RightSet *rights)
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{
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const char *sidstr;
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struct ldb_message msg;
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struct ldb_message_element el;
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int i, ret;
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const char *dn;
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sidstr = dom_sid_string(mem_ctx, sid);
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if (sidstr == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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dn = samdb_search_string(state->sam_ctx, mem_ctx, NULL, "dn",
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"objectSid=%s", sidstr);
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if (dn == NULL) {
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return NT_STATUS_NO_SUCH_USER;
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}
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msg.dn = talloc_strdup(mem_ctx, dn);
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if (msg.dn == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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msg.num_elements = 1;
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msg.elements = ⪙
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el.flags = ldb_flag;
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el.name = talloc_strdup(mem_ctx, "privilege");
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if (el.name == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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el.num_values = rights->count;
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el.values = talloc_array_p(mem_ctx, struct ldb_val, el.num_values);
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if (el.values == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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for (i=0;i<el.num_values;i++) {
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if (sec_privilege_id(rights->names[i].string) == -1) {
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return NT_STATUS_NO_SUCH_PRIVILEGE;
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}
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el.values[i].length = strlen(rights->names[i].string);
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el.values[i].data = talloc_strdup(mem_ctx, rights->names[i].string);
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if (el.values[i].data == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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}
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ret = samdb_modify(state->sam_ctx, mem_ctx, &msg);
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if (ret != 0) {
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if (ldb_flag == LDB_FLAG_MOD_DELETE) {
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return NT_STATUS_OBJECT_NAME_NOT_FOUND;
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}
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return NT_STATUS_UNEXPECTED_IO_ERROR;
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}
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return NT_STATUS_OK;
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}
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/*
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lsa_EnumAccountRights
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*/
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static NTSTATUS lsa_EnumAccountRights(struct dcesrv_call_state *dce_call,
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TALLOC_CTX *mem_ctx,
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struct lsa_EnumAccountRights *r)
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{
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struct dcesrv_handle *h;
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struct lsa_policy_state *state;
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int ret, i;
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struct ldb_message **res;
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const char * const attrs[] = { "privilege", NULL};
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const char *sidstr;
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struct ldb_message_element *el;
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DCESRV_PULL_HANDLE(h, r->in.handle, LSA_HANDLE_POLICY);
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state = h->data;
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sidstr = dom_sid_string(mem_ctx, r->in.sid);
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if (sidstr == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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ret = samdb_search(state->sam_ctx, mem_ctx, NULL, &res, attrs,
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"objectSid=%s", sidstr);
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if (ret != 1) {
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return NT_STATUS_OBJECT_NAME_NOT_FOUND;
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}
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el = ldb_msg_find_element(res[0], "privilege");
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if (el == NULL || el->num_values == 0) {
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return NT_STATUS_OBJECT_NAME_NOT_FOUND;
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}
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r->out.rights->count = el->num_values;
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r->out.rights->names = talloc_array_p(r->out.rights,
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struct lsa_String, r->out.rights->count);
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if (r->out.rights->names == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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for (i=0;i<el->num_values;i++) {
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r->out.rights->names[i].string = el->values[i].data;
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}
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return NT_STATUS_OK;
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}
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/*
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lsa_AddPrivilegesToAccount
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*/
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static NTSTATUS lsa_AddPrivilegesToAccount(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
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struct lsa_AddPrivilegesToAccount *r)
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struct lsa_AddPrivilegesToAccount *r)
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{
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DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
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struct lsa_RightSet rights;
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struct dcesrv_handle *h;
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struct lsa_account_state *astate;
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int i;
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DCESRV_PULL_HANDLE(h, r->in.handle, LSA_HANDLE_ACCOUNT);
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astate = h->data;
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rights.count = r->in.privs->count;
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rights.names = talloc_array_p(mem_ctx, struct lsa_String, rights.count);
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if (rights.names == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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for (i=0;i<rights.count;i++) {
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int id = r->in.privs->set[i].luid.low;
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if (r->in.privs->set[i].luid.high) {
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return NT_STATUS_NO_SUCH_PRIVILEGE;
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}
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rights.names[i].string = sec_privilege_name(id);
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if (rights.names[i].string == NULL) {
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return NT_STATUS_NO_SUCH_PRIVILEGE;
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}
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}
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return lsa_AddRemoveAccountRights(dce_call, mem_ctx, astate->policy,
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LDB_FLAG_MOD_ADD, astate->account_sid,
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&rights);
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}
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@ -891,9 +1038,61 @@ static NTSTATUS lsa_AddPrivilegesToAccount(struct dcesrv_call_state *dce_call, T
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lsa_RemovePrivilegesFromAccount
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*/
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static NTSTATUS lsa_RemovePrivilegesFromAccount(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx,
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struct lsa_RemovePrivilegesFromAccount *r)
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struct lsa_RemovePrivilegesFromAccount *r)
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{
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DCESRV_FAULT(DCERPC_FAULT_OP_RNG_ERROR);
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struct lsa_RightSet *rights;
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struct dcesrv_handle *h;
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struct lsa_account_state *astate;
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int i;
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DCESRV_PULL_HANDLE(h, r->in.handle, LSA_HANDLE_ACCOUNT);
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astate = h->data;
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rights = talloc_p(mem_ctx, struct lsa_RightSet);
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if (r->in.remove_all == 1 &&
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r->in.privs == NULL) {
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struct lsa_EnumAccountRights r2;
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NTSTATUS status;
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r2.in.handle = &astate->policy->handle->wire_handle;
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r2.in.sid = astate->account_sid;
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r2.out.rights = rights;
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status = lsa_EnumAccountRights(dce_call, mem_ctx, &r2);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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return lsa_AddRemoveAccountRights(dce_call, mem_ctx, astate->policy,
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LDB_FLAG_MOD_DELETE, astate->account_sid,
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r2.out.rights);
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}
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if (r->in.remove_all != 0) {
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return NT_STATUS_INVALID_PARAMETER;
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}
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rights->count = r->in.privs->count;
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rights->names = talloc_array_p(mem_ctx, struct lsa_String, rights->count);
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if (rights->names == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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for (i=0;i<rights->count;i++) {
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int id = r->in.privs->set[i].luid.low;
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if (r->in.privs->set[i].luid.high) {
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return NT_STATUS_NO_SUCH_PRIVILEGE;
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}
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rights->names[i].string = sec_privilege_name(id);
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if (rights->names[i].string == NULL) {
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return NT_STATUS_NO_SUCH_PRIVILEGE;
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}
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}
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return lsa_AddRemoveAccountRights(dce_call, mem_ctx, astate->policy,
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LDB_FLAG_MOD_DELETE, astate->account_sid,
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rights);
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}
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@ -1157,121 +1356,6 @@ static NTSTATUS lsa_EnumAccountsWithUserRight(struct dcesrv_call_state *dce_call
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}
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/*
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lsa_EnumAccountRights
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*/
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static NTSTATUS lsa_EnumAccountRights(struct dcesrv_call_state *dce_call,
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TALLOC_CTX *mem_ctx,
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struct lsa_EnumAccountRights *r)
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{
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struct dcesrv_handle *h;
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struct lsa_policy_state *state;
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int ret, i;
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struct ldb_message **res;
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const char * const attrs[] = { "privilege", NULL};
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const char *sidstr;
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struct ldb_message_element *el;
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DCESRV_PULL_HANDLE(h, r->in.handle, LSA_HANDLE_POLICY);
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state = h->data;
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sidstr = dom_sid_string(mem_ctx, r->in.sid);
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if (sidstr == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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ret = samdb_search(state->sam_ctx, mem_ctx, NULL, &res, attrs,
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"objectSid=%s", sidstr);
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if (ret != 1) {
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return NT_STATUS_OBJECT_NAME_NOT_FOUND;
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}
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el = ldb_msg_find_element(res[0], "privilege");
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if (el == NULL || el->num_values == 0) {
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return NT_STATUS_OBJECT_NAME_NOT_FOUND;
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}
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r->out.rights->count = el->num_values;
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r->out.rights->names = talloc_array_p(r->out.rights,
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struct lsa_String, r->out.rights->count);
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if (r->out.rights->names == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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for (i=0;i<el->num_values;i++) {
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r->out.rights->names[i].string = el->values[i].data;
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}
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return NT_STATUS_OK;
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}
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/*
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helper for lsa_AddAccountRights and lsa_RemoveAccountRights
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*/
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static NTSTATUS lsa_AddRemoveAccountRights(struct dcesrv_call_state *dce_call,
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TALLOC_CTX *mem_ctx,
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struct lsa_policy_state *state,
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int ldb_flag,
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const struct dom_sid *sid,
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const struct lsa_RightSet *rights)
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{
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const char *sidstr;
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struct ldb_message msg;
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struct ldb_message_element el;
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int i, ret;
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const char *dn;
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sidstr = dom_sid_string(mem_ctx, sid);
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if (sidstr == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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dn = samdb_search_string(state->sam_ctx, mem_ctx, NULL, "dn",
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"objectSid=%s", sidstr);
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if (dn == NULL) {
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return NT_STATUS_NO_SUCH_USER;
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}
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msg.dn = talloc_strdup(mem_ctx, dn);
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if (msg.dn == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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msg.num_elements = 1;
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msg.elements = ⪙
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el.flags = ldb_flag;
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el.name = talloc_strdup(mem_ctx, "privilege");
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if (el.name == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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el.num_values = rights->count;
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el.values = talloc_array_p(mem_ctx, struct ldb_val, el.num_values);
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if (el.values == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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for (i=0;i<el.num_values;i++) {
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if (sec_privilege_id(rights->names[i].string) == -1) {
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return NT_STATUS_NO_SUCH_PRIVILEGE;
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}
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el.values[i].length = strlen(rights->names[i].string);
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el.values[i].data = talloc_strdup(mem_ctx, rights->names[i].string);
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if (el.values[i].data == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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}
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ret = samdb_modify(state->sam_ctx, mem_ctx, &msg);
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if (ret != 0) {
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if (ldb_flag == LDB_FLAG_MOD_DELETE) {
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return NT_STATUS_OBJECT_NAME_NOT_FOUND;
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}
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return NT_STATUS_UNEXPECTED_IO_ERROR;
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}
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return NT_STATUS_OK;
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}
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/*
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lsa_AddAccountRights
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*/
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