* Unix SMB/CIFS implementation.
* Helper routines for net
* Copyright (C) Volker Lendecke 2006
+ * Copyright (C) Kai Blin 2008
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "utils/net.h"
+#include "../librpc/gen_ndr/cli_lsa.h"
+#include "rpc_client/cli_lsarpc.h"
+#include "../librpc/gen_ndr/cli_dssetup.h"
+#include "secrets.h"
+#include "../libcli/security/security.h"
-BOOL is_valid_policy_hnd(const POLICY_HND *hnd)
-{
- POLICY_HND tmp;
- ZERO_STRUCT(tmp);
- return (memcmp(&tmp, hnd, sizeof(tmp)) != 0);
-}
-
-NTSTATUS net_rpc_lookup_name(TALLOC_CTX *mem_ctx, struct cli_state *cli,
+NTSTATUS net_rpc_lookup_name(struct net_context *c,
+ TALLOC_CTX *mem_ctx, struct cli_state *cli,
const char *name, const char **ret_domain,
- const char **ret_name, DOM_SID *ret_sid,
+ const char **ret_name, struct dom_sid *ret_sid,
enum lsa_SidType *ret_type)
{
- struct rpc_pipe_client *lsa_pipe;
- POLICY_HND pol;
+ struct rpc_pipe_client *lsa_pipe = NULL;
+ struct policy_handle pol;
NTSTATUS result = NT_STATUS_OK;
const char **dom_names;
- DOM_SID *sids;
+ struct dom_sid *sids;
enum lsa_SidType *types;
ZERO_STRUCT(pol);
- lsa_pipe = cli_rpc_pipe_open_noauth(cli, PI_LSARPC, &result);
- if (lsa_pipe == NULL) {
- d_fprintf(stderr, "Could not initialise lsa pipe\n");
+ result = cli_rpc_pipe_open_noauth(cli, &ndr_table_lsarpc.syntax_id,
+ &lsa_pipe);
+ if (!NT_STATUS_IS_OK(result)) {
+ d_fprintf(stderr, _("Could not initialise lsa pipe\n"));
return result;
}
- result = rpccli_lsa_open_policy(lsa_pipe, mem_ctx, False,
- SEC_RIGHTS_MAXIMUM_ALLOWED,
+ result = rpccli_lsa_open_policy(lsa_pipe, mem_ctx, false,
+ SEC_FLAG_MAXIMUM_ALLOWED,
&pol);
if (!NT_STATUS_IS_OK(result)) {
- d_fprintf(stderr, "open_policy failed: %s\n",
+ d_fprintf(stderr, "open_policy %s: %s\n", _("failed"),
nt_errstr(result));
return result;
}
if (is_valid_policy_hnd(&pol)) {
rpccli_lsa_Close(lsa_pipe, mem_ctx, &pol);
}
- cli_rpc_pipe_close(lsa_pipe);
+ TALLOC_FREE(lsa_pipe);
return result;
}
+
+/****************************************************************************
+ Connect to \\server\service.
+****************************************************************************/
+
+NTSTATUS connect_to_service(struct net_context *c,
+ struct cli_state **cli_ctx,
+ struct sockaddr_storage *server_ss,
+ const char *server_name,
+ const char *service_name,
+ const char *service_type)
+{
+ NTSTATUS nt_status;
+ int flags = 0;
+
+ c->opt_password = net_prompt_pass(c, c->opt_user_name);
+
+ if (c->opt_kerberos) {
+ flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
+ }
+
+ if (c->opt_kerberos && c->opt_password) {
+ flags |= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
+ }
+
+ if (c->opt_ccache) {
+ flags |= CLI_FULL_CONNECTION_USE_CCACHE;
+ }
+
+ nt_status = cli_full_connection(cli_ctx, NULL, server_name,
+ server_ss, c->opt_port,
+ service_name, service_type,
+ c->opt_user_name, c->opt_workgroup,
+ c->opt_password, flags, Undefined);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ d_fprintf(stderr, _("Could not connect to server %s\n"),
+ server_name);
+
+ /* Display a nicer message depending on the result */
+
+ if (NT_STATUS_V(nt_status) ==
+ NT_STATUS_V(NT_STATUS_LOGON_FAILURE))
+ d_fprintf(stderr,
+ _("The username or password was not "
+ "correct.\n"));
+
+ if (NT_STATUS_V(nt_status) ==
+ NT_STATUS_V(NT_STATUS_ACCOUNT_LOCKED_OUT))
+ d_fprintf(stderr, _("The account was locked out.\n"));
+
+ if (NT_STATUS_V(nt_status) ==
+ NT_STATUS_V(NT_STATUS_ACCOUNT_DISABLED))
+ d_fprintf(stderr, _("The account was disabled.\n"));
+ return nt_status;
+ }
+
+ if (c->smb_encrypt) {
+ nt_status = cli_force_encryption(*cli_ctx,
+ c->opt_user_name,
+ c->opt_password,
+ c->opt_workgroup);
+
+ if (NT_STATUS_EQUAL(nt_status,NT_STATUS_NOT_SUPPORTED)) {
+ d_printf(_("Encryption required and "
+ "server that doesn't support "
+ "UNIX extensions - failing connect\n"));
+ } else if (NT_STATUS_EQUAL(nt_status,NT_STATUS_UNKNOWN_REVISION)) {
+ d_printf(_("Encryption required and "
+ "can't get UNIX CIFS extensions "
+ "version from server.\n"));
+ } else if (NT_STATUS_EQUAL(nt_status,NT_STATUS_UNSUPPORTED_COMPRESSION)) {
+ d_printf(_("Encryption required and "
+ "share %s doesn't support "
+ "encryption.\n"), service_name);
+ } else if (!NT_STATUS_IS_OK(nt_status)) {
+ d_printf(_("Encryption required and "
+ "setup failed with error %s.\n"),
+ nt_errstr(nt_status));
+ }
+
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ cli_shutdown(*cli_ctx);
+ *cli_ctx = NULL;
+ }
+ }
+
+ return nt_status;
+}
+
+/****************************************************************************
+ Connect to \\server\ipc$.
+****************************************************************************/
+
+NTSTATUS connect_to_ipc(struct net_context *c,
+ struct cli_state **cli_ctx,
+ struct sockaddr_storage *server_ss,
+ const char *server_name)
+{
+ return connect_to_service(c, cli_ctx, server_ss, server_name, "IPC$",
+ "IPC");
+}
+
+/****************************************************************************
+ Connect to \\server\ipc$ anonymously.
+****************************************************************************/
+
+NTSTATUS connect_to_ipc_anonymous(struct net_context *c,
+ struct cli_state **cli_ctx,
+ struct sockaddr_storage *server_ss,
+ const char *server_name)
+{
+ NTSTATUS nt_status;
+
+ nt_status = cli_full_connection(cli_ctx, c->opt_requester_name,
+ server_name, server_ss, c->opt_port,
+ "IPC$", "IPC",
+ "", "",
+ "", 0, Undefined);
+
+ if (NT_STATUS_IS_OK(nt_status)) {
+ return nt_status;
+ } else {
+ DEBUG(1,("Cannot connect to server (anonymously). Error was %s\n", nt_errstr(nt_status)));
+ return nt_status;
+ }
+}
+
+/****************************************************************************
+ Return malloced user@realm for krb5 login.
+****************************************************************************/
+
+static char *get_user_and_realm(const char *username)
+{
+ char *user_and_realm = NULL;
+
+ if (!username) {
+ return NULL;
+ }
+ if (strchr_m(username, '@')) {
+ user_and_realm = SMB_STRDUP(username);
+ } else {
+ if (asprintf(&user_and_realm, "%s@%s", username, lp_realm()) == -1) {
+ user_and_realm = NULL;
+ }
+ }
+ return user_and_realm;
+}
+
+/****************************************************************************
+ Connect to \\server\ipc$ using KRB5.
+****************************************************************************/
+
+NTSTATUS connect_to_ipc_krb5(struct net_context *c,
+ struct cli_state **cli_ctx,
+ struct sockaddr_storage *server_ss,
+ const char *server_name)
+{
+ NTSTATUS nt_status;
+ char *user_and_realm = NULL;
+
+ /* FIXME: Should get existing kerberos ticket if possible. */
+ c->opt_password = net_prompt_pass(c, c->opt_user_name);
+ if (!c->opt_password) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ user_and_realm = get_user_and_realm(c->opt_user_name);
+ if (!user_and_realm) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ nt_status = cli_full_connection(cli_ctx, NULL, server_name,
+ server_ss, c->opt_port,
+ "IPC$", "IPC",
+ user_and_realm, c->opt_workgroup,
+ c->opt_password,
+ CLI_FULL_CONNECTION_USE_KERBEROS,
+ Undefined);
+
+ SAFE_FREE(user_and_realm);
+
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ DEBUG(1,("Cannot connect to server using kerberos. Error was %s\n", nt_errstr(nt_status)));
+ return nt_status;
+ }
+
+ if (c->smb_encrypt) {
+ nt_status = cli_cm_force_encryption(*cli_ctx,
+ user_and_realm,
+ c->opt_password,
+ c->opt_workgroup,
+ "IPC$");
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ cli_shutdown(*cli_ctx);
+ *cli_ctx = NULL;
+ }
+ }
+
+ return nt_status;
+}
+
+/**
+ * Connect a server and open a given pipe
+ *
+ * @param cli_dst A cli_state
+ * @param pipe The pipe to open
+ * @param got_pipe boolean that stores if we got a pipe
+ *
+ * @return Normal NTSTATUS return.
+ **/
+NTSTATUS connect_dst_pipe(struct net_context *c, struct cli_state **cli_dst,
+ struct rpc_pipe_client **pp_pipe_hnd,
+ const struct ndr_syntax_id *interface)
+{
+ NTSTATUS nt_status;
+ char *server_name = SMB_STRDUP("127.0.0.1");
+ struct cli_state *cli_tmp = NULL;
+ struct rpc_pipe_client *pipe_hnd = NULL;
+
+ if (server_name == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (c->opt_destination) {
+ SAFE_FREE(server_name);
+ if ((server_name = SMB_STRDUP(c->opt_destination)) == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+
+ /* make a connection to a named pipe */
+ nt_status = connect_to_ipc(c, &cli_tmp, NULL, server_name);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ SAFE_FREE(server_name);
+ return nt_status;
+ }
+
+ nt_status = cli_rpc_pipe_open_noauth(cli_tmp, interface,
+ &pipe_hnd);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ DEBUG(0, ("couldn't not initialize pipe\n"));
+ cli_shutdown(cli_tmp);
+ SAFE_FREE(server_name);
+ return nt_status;
+ }
+
+ *cli_dst = cli_tmp;
+ *pp_pipe_hnd = pipe_hnd;
+ SAFE_FREE(server_name);
+
+ return nt_status;
+}
+
+/****************************************************************************
+ Use the local machine account (krb) and password for this session.
+****************************************************************************/
+
+int net_use_krb_machine_account(struct net_context *c)
+{
+ char *user_name = NULL;
+
+ if (!secrets_init()) {
+ d_fprintf(stderr,_("ERROR: Unable to open secrets database\n"));
+ exit(1);
+ }
+
+ c->opt_password = secrets_fetch_machine_password(
+ c->opt_target_workgroup, NULL, NULL);
+ if (asprintf(&user_name, "%s$@%s", global_myname(), lp_realm()) == -1) {
+ return -1;
+ }
+ c->opt_user_name = user_name;
+ return 0;
+}
+
+/****************************************************************************
+ Use the machine account name and password for this session.
+****************************************************************************/
+
+int net_use_machine_account(struct net_context *c)
+{
+ char *user_name = NULL;
+
+ if (!secrets_init()) {
+ d_fprintf(stderr,_("ERROR: Unable to open secrets database\n"));
+ exit(1);
+ }
+
+ c->opt_password = secrets_fetch_machine_password(
+ c->opt_target_workgroup, NULL, NULL);
+ if (asprintf(&user_name, "%s$", global_myname()) == -1) {
+ return -1;
+ }
+ c->opt_user_name = user_name;
+ return 0;
+}
+
+bool net_find_server(struct net_context *c,
+ const char *domain,
+ unsigned flags,
+ struct sockaddr_storage *server_ss,
+ char **server_name)
+{
+ const char *d = domain ? domain : c->opt_target_workgroup;
+
+ if (c->opt_host) {
+ *server_name = SMB_STRDUP(c->opt_host);
+ }
+
+ if (c->opt_have_ip) {
+ *server_ss = c->opt_dest_ip;
+ if (!*server_name) {
+ char addr[INET6_ADDRSTRLEN];
+ print_sockaddr(addr, sizeof(addr), &c->opt_dest_ip);
+ *server_name = SMB_STRDUP(addr);
+ }
+ } else if (*server_name) {
+ /* resolve the IP address */
+ if (!resolve_name(*server_name, server_ss, 0x20, false)) {
+ DEBUG(1,("Unable to resolve server name\n"));
+ return false;
+ }
+ } else if (flags & NET_FLAGS_PDC) {
+ fstring dc_name;
+ struct sockaddr_storage pdc_ss;
+
+ if (!get_pdc_ip(d, &pdc_ss)) {
+ DEBUG(1,("Unable to resolve PDC server address\n"));
+ return false;
+ }
+
+ if (is_zero_addr((struct sockaddr *)&pdc_ss)) {
+ return false;
+ }
+
+ if (!name_status_find(d, 0x1b, 0x20, &pdc_ss, dc_name)) {
+ return false;
+ }
+
+ *server_name = SMB_STRDUP(dc_name);
+ *server_ss = pdc_ss;
+ } else if (flags & NET_FLAGS_DMB) {
+ struct sockaddr_storage msbrow_ss;
+ char addr[INET6_ADDRSTRLEN];
+
+ /* if (!resolve_name(MSBROWSE, &msbrow_ip, 1, false)) */
+ if (!resolve_name(d, &msbrow_ss, 0x1B, false)) {
+ DEBUG(1,("Unable to resolve domain browser via name lookup\n"));
+ return false;
+ }
+ *server_ss = msbrow_ss;
+ print_sockaddr(addr, sizeof(addr), server_ss);
+ *server_name = SMB_STRDUP(addr);
+ } else if (flags & NET_FLAGS_MASTER) {
+ struct sockaddr_storage brow_ss;
+ char addr[INET6_ADDRSTRLEN];
+ if (!resolve_name(d, &brow_ss, 0x1D, false)) {
+ /* go looking for workgroups */
+ DEBUG(1,("Unable to resolve master browser via name lookup\n"));
+ return false;
+ }
+ *server_ss = brow_ss;
+ print_sockaddr(addr, sizeof(addr), server_ss);
+ *server_name = SMB_STRDUP(addr);
+ } else if (!(flags & NET_FLAGS_LOCALHOST_DEFAULT_INSANE)) {
+ if (!interpret_string_addr(server_ss,
+ "127.0.0.1", AI_NUMERICHOST)) {
+ DEBUG(1,("Unable to resolve 127.0.0.1\n"));
+ return false;
+ }
+ *server_name = SMB_STRDUP("127.0.0.1");
+ }
+
+ if (!*server_name) {
+ DEBUG(1,("no server to connect to\n"));
+ return false;
+ }
+
+ return true;
+}
+
+bool net_find_pdc(struct sockaddr_storage *server_ss,
+ fstring server_name,
+ const char *domain_name)
+{
+ if (!get_pdc_ip(domain_name, server_ss)) {
+ return false;
+ }
+ if (is_zero_addr((struct sockaddr *)server_ss)) {
+ return false;
+ }
+
+ if (!name_status_find(domain_name, 0x1b, 0x20, server_ss, server_name)) {
+ return false;
+ }
+
+ return true;
+}
+
+NTSTATUS net_make_ipc_connection(struct net_context *c, unsigned flags,
+ struct cli_state **pcli)
+{
+ return net_make_ipc_connection_ex(c, c->opt_workgroup, NULL, NULL, flags, pcli);
+}
+
+NTSTATUS net_make_ipc_connection_ex(struct net_context *c ,const char *domain,
+ const char *server,
+ struct sockaddr_storage *pss,
+ unsigned flags, struct cli_state **pcli)
+{
+ char *server_name = NULL;
+ struct sockaddr_storage server_ss;
+ struct cli_state *cli = NULL;
+ NTSTATUS nt_status;
+
+ if ( !server || !pss ) {
+ if (!net_find_server(c, domain, flags, &server_ss,
+ &server_name)) {
+ d_fprintf(stderr, _("Unable to find a suitable server "
+ "for domain %s\n"), domain);
+ nt_status = NT_STATUS_UNSUCCESSFUL;
+ goto done;
+ }
+ } else {
+ server_name = SMB_STRDUP( server );
+ server_ss = *pss;
+ }
+
+ if (flags & NET_FLAGS_ANONYMOUS) {
+ nt_status = connect_to_ipc_anonymous(c, &cli, &server_ss,
+ server_name);
+ } else {
+ nt_status = connect_to_ipc(c, &cli, &server_ss,
+ server_name);
+ }
+
+ /* store the server in the affinity cache if it was a PDC */
+
+ if ( (flags & NET_FLAGS_PDC) && NT_STATUS_IS_OK(nt_status) )
+ saf_store( cli->server_domain, cli->desthost );
+
+ SAFE_FREE(server_name);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ d_fprintf(stderr, _("Connection failed: %s\n"),
+ nt_errstr(nt_status));
+ cli = NULL;
+ } else if (c->opt_request_timeout) {
+ cli_set_timeout(cli, c->opt_request_timeout * 1000);
+ }
+
+done:
+ if (pcli != NULL) {
+ *pcli = cli;
+ }
+ return nt_status;
+}
+
+/****************************************************************************
+****************************************************************************/
+
+const char *net_prompt_pass(struct net_context *c, const char *user)
+{
+ char *prompt = NULL;
+ const char *pass = NULL;
+
+ if (c->opt_password) {
+ return c->opt_password;
+ }
+
+ if (c->opt_machine_pass) {
+ return NULL;
+ }
+
+ if (c->opt_kerberos && !c->opt_user_specified) {
+ return NULL;
+ }
+
+ if (asprintf(&prompt, _("Enter %s's password:"), user) == -1) {
+ return NULL;
+ }
+
+ pass = getpass(prompt);
+ SAFE_FREE(prompt);
+
+ return pass;
+}
+
+int net_run_function(struct net_context *c, int argc, const char **argv,
+ const char *whoami, struct functable *table)
+{
+ int i;
+
+ if (argc != 0) {
+ for (i=0; table[i].funcname != NULL; i++) {
+ if (StrCaseCmp(argv[0], table[i].funcname) == 0)
+ return table[i].fn(c, argc-1, argv+1);
+ }
+ }
+
+ if (c->display_usage == false) {
+ d_fprintf(stderr, _("Invalid command: %s %s\n"), whoami,
+ (argc > 0)?argv[0]:"");
+ }
+ d_printf(_("Usage:\n"));
+ for (i=0; table[i].funcname != NULL; i++) {
+ if(c->display_usage == false)
+ d_printf("%s %-15s %s\n", whoami, table[i].funcname,
+ _(table[i].description));
+ else
+ d_printf("%s\n", _(table[i].usage));
+ }
+
+ return c->display_usage?0:-1;
+}
+
+void net_display_usage_from_functable(struct functable *table)
+{
+ int i;
+ for (i=0; table[i].funcname != NULL; i++) {
+ d_printf("%s\n", _(table[i].usage));
+ }
+}
+
+const char *net_share_type_str(int num_type)
+{
+ switch(num_type) {
+ case 0: return _("Disk");
+ case 1: return _("Print");
+ case 2: return _("Dev");
+ case 3: return _("IPC");
+ default: return _("Unknown");
+ }
+}
+
+NTSTATUS net_scan_dc(struct net_context *c,
+ struct cli_state *cli,
+ struct net_dc_info *dc_info)
+{
+ TALLOC_CTX *mem_ctx = talloc_tos();
+ struct rpc_pipe_client *dssetup_pipe = NULL;
+ union dssetup_DsRoleInfo info;
+ NTSTATUS status;
+
+ ZERO_STRUCTP(dc_info);
+
+ status = cli_rpc_pipe_open_noauth(cli, &ndr_table_dssetup.syntax_id,
+ &dssetup_pipe);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ status = rpccli_dssetup_DsRoleGetPrimaryDomainInformation(dssetup_pipe, mem_ctx,
+ DS_ROLE_BASIC_INFORMATION,
+ &info,
+ NULL);
+ TALLOC_FREE(dssetup_pipe);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ dc_info->is_dc = (info.basic.role & (DS_ROLE_PRIMARY_DC|DS_ROLE_BACKUP_DC));
+ dc_info->is_pdc = (info.basic.role & DS_ROLE_PRIMARY_DC);
+ dc_info->is_ad = (info.basic.flags & DS_ROLE_PRIMARY_DS_RUNNING);
+ dc_info->is_mixed_mode = (info.basic.flags & DS_ROLE_PRIMARY_DS_MIXED_MODE);
+ dc_info->netbios_domain_name = talloc_strdup(mem_ctx, info.basic.domain);
+ dc_info->dns_domain_name = talloc_strdup(mem_ctx, info.basic.dns_domain);
+ dc_info->forest_name = talloc_strdup(mem_ctx, info.basic.forest);
+
+ return NT_STATUS_OK;
+}