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https://github.com/samba-team/samba.git
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579195769d
c->opt_kerberos is derived from c->creds... Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Andreas Schneider <asn@samba.org>
598 lines
16 KiB
C
598 lines
16 KiB
C
/*
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Samba Unix/Linux SMB client library
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net join commands
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Copyright (C) 2021 Guenther Deschner (gd@samba.org)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "utils/net.h"
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#include <netapi.h>
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#include "netapi/netapi_net.h"
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#include "libcli/registry/util_reg.h"
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#include "libcli/security/dom_sid.h"
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#include "lib/cmdline/cmdline.h"
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#include "lib/util/util_file.h"
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int net_offlinejoin_usage(struct net_context *c, int argc, const char **argv)
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{
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d_printf(_("\nnet offlinejoin [misc. options]\n"
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"\tjoins a computer to a domain\n"));
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d_printf(_("Valid commands:\n"));
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d_printf(_("\tprovision\t\t\tProvision machine account in AD\n"));
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d_printf(_("\trequestodj\t\t\tRequest offline domain join\n"));
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d_printf(_("\tcomposeodj\t\t\tCompose offline domain join blob\n"));
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net_common_flags_usage(c, argc, argv);
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return -1;
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}
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int net_offlinejoin(struct net_context *c, int argc, const char **argv)
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{
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int ret;
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NET_API_STATUS status;
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if ((argc > 0) && (strcasecmp_m(argv[0], "HELP") == 0)) {
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net_offlinejoin_usage(c, argc, argv);
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return 0;
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}
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if (argc == 0) {
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net_offlinejoin_usage(c, argc, argv);
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return -1;
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}
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net_warn_member_options();
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status = libnetapi_net_init(&c->netapi_ctx, c->lp_ctx, c->creds);
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if (status != 0) {
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return -1;
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}
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if (strcasecmp_m(argv[0], "provision") == 0) {
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ret = net_offlinejoin_provision(c, argc, argv);
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if (ret != 0) {
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return ret;
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}
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}
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if (strcasecmp_m(argv[0], "requestodj") == 0) {
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ret = net_offlinejoin_requestodj(c, argc, argv);
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if (ret != 0) {
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return ret;
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}
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}
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if (strcasecmp_m(argv[0], "composeodj") == 0) {
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ret = net_offlinejoin_composeodj(c, argc, argv);
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if (ret != 0) {
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return ret;
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}
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}
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return 0;
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}
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static int net_offlinejoin_provision_usage(struct net_context *c, int argc, const char **argv)
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{
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d_printf(_("\nnet offlinejoin provision [misc. options]\n"
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"\tProvisions machine account in AD\n"));
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d_printf(_("Valid options:\n"));
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d_printf(_("\tdomain=<DOMAIN>\t\t\t\tDefines AD Domain to join\n"));
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d_printf(_("\tmachine_name=<MACHINE_NAME>\t\tDefines the machine account name\n"));
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d_printf(_("\tmachine_account_ou=<OU>\t\t\tDefines the machine account organizational unit DN\n"));
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d_printf(_("\tdcname=<DCNAME>\t\t\t\tSpecify a Domain Controller to join to\n"));
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d_printf(_("\tdefpwd\t\t\t\t\tUse default machine account password\n"));
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d_printf(_("\treuse\t\t\t\t\tReuse existing machine account in AD\n"));
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d_printf(_("\tsavefile=<FILENAME>\t\t\tFile to store the ODJ data\n"));
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d_printf(_("\tprintblob\t\t\t\tPrint the base64 encoded ODJ data on stdout\n"));
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net_common_flags_usage(c, argc, argv);
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return -1;
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}
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int net_offlinejoin_provision(struct net_context *c,
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int argc, const char **argv)
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{
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NET_API_STATUS status;
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const char *dcname = NULL;
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const char *domain = NULL;
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const char *machine_name = NULL;
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const char *machine_account_ou = NULL;
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const char *provision_text_data = NULL;
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uint32_t options = 0;
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const char *savefile = NULL;
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bool printblob = false;
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int i;
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if (c->display_usage || argc == 1) {
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return net_offlinejoin_provision_usage(c, argc, argv);
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}
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/* process additional command line args */
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for (i = 0; i < argc; i++) {
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if (strnequal(argv[i], "domain", strlen("domain"))) {
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domain = get_string_param(argv[i]);
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if (domain == NULL) {
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return -1;
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}
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}
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if (strnequal(argv[i], "machine_name", strlen("machine_name"))) {
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machine_name = get_string_param(argv[i]);
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if (machine_name == NULL) {
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return -1;
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}
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}
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if (strnequal(argv[i], "machine_account_ou", strlen("machine_account_ou"))) {
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machine_account_ou = get_string_param(argv[i]);
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if (machine_account_ou == NULL) {
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return -1;
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}
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}
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if (strnequal(argv[i], "dcname", strlen("dcname"))) {
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dcname = get_string_param(argv[i]);
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if (dcname == NULL) {
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return -1;
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}
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}
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if (strnequal(argv[i], "defpwd", strlen("defpwd"))) {
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options |= NETSETUP_PROVISION_USE_DEFAULT_PASSWORD;
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}
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if (strnequal(argv[i], "reuse", strlen("reuse"))) {
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options |= NETSETUP_PROVISION_REUSE_ACCOUNT;
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}
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if (strnequal(argv[i], "savefile", strlen("savefile"))) {
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savefile = get_string_param(argv[i]);
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if (savefile == NULL) {
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return -1;
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}
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}
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if (strnequal(argv[i], "printblob", strlen("printblob"))) {
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printblob = true;
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}
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}
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if (domain == NULL) {
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d_printf("Failed to provision computer account: %s\n",
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libnetapi_errstr(W_ERROR_V(WERR_INVALID_DOMAINNAME)));
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return -1;
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}
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if (machine_name == NULL) {
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d_printf("Failed to provision computer account: %s\n",
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libnetapi_errstr(W_ERROR_V(WERR_INVALID_COMPUTERNAME)));
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return -1;
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}
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status = NetProvisionComputerAccount(domain,
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machine_name,
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machine_account_ou,
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dcname,
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options,
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NULL,
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0,
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&provision_text_data);
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if (status != 0) {
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d_printf("Failed to provision computer account: %s\n",
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libnetapi_get_error_string(c->netapi_ctx, status));
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return status;
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}
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if (savefile != NULL) {
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DATA_BLOB ucs2_blob, blob;
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bool ok;
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/*
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* Windows produces and consumes UTF16/UCS2 encoded blobs
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* so we also do it for compatibility. Someone may provision an
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* account for a Windows machine with samba.
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*/
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ok = push_reg_sz(c, &ucs2_blob, provision_text_data);
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if (!ok) {
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return -1;
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}
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/* Add the unicode BOM mark */
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blob = data_blob_talloc(c, NULL, ucs2_blob.length + 2);
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if (blob.data == NULL) {
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d_printf("Failed to allocate blob: %s\n",
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strerror(errno));
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return -1;
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}
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blob.data[0] = 0xff;
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blob.data[1] = 0xfe;
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memcpy(blob.data + 2, ucs2_blob.data, ucs2_blob.length);
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ok = file_save(savefile, blob.data, blob.length);
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if (!ok) {
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d_printf("Failed to save %s: %s\n", savefile,
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strerror(errno));
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return -1;
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}
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}
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d_printf("Successfully provisioned computer '%s' in domain '%s'\n",
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machine_name, domain);
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if (printblob) {
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printf("%s\n", provision_text_data);
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}
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return 0;
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}
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static int net_offlinejoin_requestodj_usage(struct net_context *c, int argc, const char **argv)
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{
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d_printf(_("\nnet offlinejoin requestodj [misc. options]\n"
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"\tRequests offline domain join\n"));
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d_printf(_("Valid options:\n"));
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d_printf(_("\t-i\t\t\t\t\tRead ODJ data from STDIN\n"));
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d_printf(_("\tloadfile=<FILENAME>\t\t\tFile that provides the ODJ data\n"));
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/*d_printf(_("\tlocalos\t\t\t\t\tModify the local machine\n"));*/
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net_common_flags_usage(c, argc, argv);
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return -1;
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}
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int net_offlinejoin_requestodj(struct net_context *c,
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int argc, const char **argv)
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{
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NET_API_STATUS status;
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uint8_t *provision_bin_data = NULL;
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size_t provision_bin_data_size = 0;
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uint32_t options = NETSETUP_PROVISION_ONLINE_CALLER;
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const char *windows_path = NULL;
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int i;
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if (c->display_usage) {
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return net_offlinejoin_requestodj_usage(c, argc, argv);
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}
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/* process additional command line args */
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for (i = 0; i < argc; i++) {
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if (strnequal(argv[i], "loadfile", strlen("loadfile"))) {
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const char *loadfile = NULL;
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loadfile = get_string_param(argv[i]);
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if (loadfile == NULL) {
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return -1;
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}
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provision_bin_data =
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(uint8_t *)file_load(loadfile,
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&provision_bin_data_size,
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0,
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c);
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if (provision_bin_data == NULL) {
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d_printf("Failed to read loadfile: %s\n",
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loadfile);
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return -1;
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}
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}
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#if 0
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if (strnequal(argv[i], "localos", strlen("localos"))) {
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options |= NETSETUP_PROVISION_ONLINE_CALLER;
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}
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#endif
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}
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if (c->opt_stdin) {
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if (isatty(STDIN_FILENO) == 1) {
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d_fprintf(stderr,
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"hint: stdin waiting for ODJ blob, end "
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"with <crtl-D>.\n");
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}
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provision_bin_data =
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(uint8_t *)fd_load(STDIN_FILENO,
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&provision_bin_data_size, 0, c);
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if (provision_bin_data == NULL) {
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d_printf("Failed to read ODJ blob from stdin\n");
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return -1;
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}
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/* Strip last newline */
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if (provision_bin_data[provision_bin_data_size - 1] == '\n') {
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provision_bin_data[provision_bin_data_size - 1] = '\0';
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}
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}
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if (provision_bin_data == NULL || provision_bin_data_size == 0) {
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d_printf("Please provide provision data either from file "
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"(using loadfile parameter) or from stdin (-i)\n");
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return -1;
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}
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if (provision_bin_data_size > UINT32_MAX) {
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d_printf("provision binary data size too big: %zu\n",
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provision_bin_data_size);
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return -1;
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}
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status = NetRequestOfflineDomainJoin(provision_bin_data,
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provision_bin_data_size,
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options,
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windows_path);
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if (status != 0 && status != 0x00000a99) {
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/* NERR_JoinPerformedMustRestart */
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printf("Failed to call NetRequestOfflineDomainJoin: %s\n",
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libnetapi_get_error_string(c->netapi_ctx, status));
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return -1;
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}
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d_printf("Successfully requested Offline Domain Join\n");
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return 0;
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}
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static int net_offlinejoin_composeodj_usage(struct net_context *c,
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int argc,
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const char **argv)
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{
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d_printf(_("\nnet offlinejoin composeodj [misc. options]\n"
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"\tComposes offline domain join blob\n"));
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d_printf(_("Valid options:\n"));
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d_printf(_("\tdomain_sid=<SID>\t\t\tThe domain SID\n"));
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d_printf(_("\tdomain_guid=<GUID>\t\t\tThe domain GUID\n"));
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d_printf(_("\tforest_name=<NAME>\t\t\tThe forest name\n"));
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d_printf(_("\tdomain_is_nt4\t\t\t\tThe domain not AD but NT4\n"));
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d_printf(_("\tsavefile=<FILENAME>\t\t\tFile to store the ODJ data\n"));
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d_printf(_("\tprintblob\t\t\t\tPrint the base64 encoded ODJ data on stdout\n"));
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net_common_flags_usage(c, argc, argv);
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d_printf(_("Example:\n"));
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d_printf("\tnet offlinejoin composeodj --realm=<realm> "
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"--workgroup=<domain> domain_sid=<sid> domain_guid=<guid> "
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"forest_name=<name> -S <dc name> -I <dc address> "
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"--password=<password> printblob\n");
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return -1;
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}
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int net_offlinejoin_composeodj(struct net_context *c,
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int argc,
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const char **argv)
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{
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struct cli_credentials *creds = samba_cmdline_get_creds();
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NET_API_STATUS status;
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const char *dns_domain_name = NULL;
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const char *netbios_domain_name = NULL;
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const char *machine_account_name = NULL;
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const char *machine_account_password = NULL;
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const char *domain_sid_str = NULL;
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const char *domain_guid_str = NULL;
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struct dom_sid domain_sid;
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struct GUID domain_guid;
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const char *forest_name = NULL;
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const char *dc_name = NULL;
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char dc_address[INET6_ADDRSTRLEN] = { 0 };
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bool domain_is_ad = true;
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const char *provision_text_data = NULL;
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const char *savefile = NULL;
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bool printblob = false;
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enum credentials_obtained obtained;
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bool ok;
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NTSTATUS ntstatus;
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int i;
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if (c->display_usage || argc < 4) {
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return net_offlinejoin_composeodj_usage(c, argc, argv);
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}
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dns_domain_name = cli_credentials_get_realm(creds);
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netbios_domain_name = cli_credentials_get_domain(creds);
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machine_account_name = cli_credentials_get_username_and_obtained(creds, &obtained);
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if (obtained < CRED_CALLBACK_RESULT) {
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const char *netbios_name = cli_credentials_get_workstation(creds);
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cli_credentials_set_username(
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creds,
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talloc_asprintf(c, "%s$", netbios_name),
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CRED_SPECIFIED);
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}
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machine_account_name = cli_credentials_get_username(creds);
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machine_account_password = cli_credentials_get_password(creds);
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dc_name = c->opt_host;
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if (c->opt_have_ip) {
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struct sockaddr_in *in4 = NULL;
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struct sockaddr_in6 *in6 = NULL;
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const char *p = NULL;
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switch(c->opt_dest_ip.ss_family) {
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case AF_INET:
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in4 = (struct sockaddr_in *)&c->opt_dest_ip;
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p = inet_ntop(AF_INET, &in4->sin_addr, dc_address, sizeof(dc_address));
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break;
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case AF_INET6:
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in6 = (struct sockaddr_in6 *)&c->opt_dest_ip;
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p = inet_ntop(AF_INET6, &in6->sin6_addr, dc_address, sizeof(dc_address));
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break;
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default:
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d_printf("Unknown IP address family\n");
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return -1;
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}
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if (p == NULL) {
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d_fprintf(stderr, "Failed to parse IP address: %s\n", strerror(errno));
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return -1;
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}
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}
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/* process additional command line args */
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for (i = 0; i < argc; i++) {
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if (strnequal(argv[i], "domain_sid", strlen("domain_sid"))) {
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domain_sid_str = get_string_param(argv[i]);
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if (domain_sid_str == NULL) {
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return -1;
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}
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}
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if (strnequal(argv[i], "domain_guid", strlen("domain_guid"))) {
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domain_guid_str = get_string_param(argv[i]);
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if (domain_guid_str == NULL) {
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return -1;
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}
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}
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if (strnequal(argv[i], "forest_name", strlen("forest_name"))) {
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forest_name = get_string_param(argv[i]);
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if (forest_name == NULL) {
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return -1;
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}
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}
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if (strnequal(argv[i], "savefile", strlen("savefile"))) {
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savefile = get_string_param(argv[i]);
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if (savefile == NULL) {
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return -1;
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}
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}
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if (strnequal(argv[i], "printblob", strlen("printblob"))) {
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printblob = true;
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}
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if (strnequal(argv[i], "domain_is_nt4", strlen("domain_is_nt4"))) {
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domain_is_ad = false;
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}
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}
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/* Check command line arguments */
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if (savefile == NULL && !printblob) {
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d_printf("Choose either save the blob to a file or print it\n");
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return -1;
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}
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if (dns_domain_name == NULL) {
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d_printf("Please provide a valid realm parameter (--realm)\n");
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return -1;
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}
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|
|
if (netbios_domain_name == NULL) {
|
|
d_printf("Please provide a valid domain parameter (--workgroup)\n");
|
|
return -1;
|
|
}
|
|
|
|
if (dc_name == NULL) {
|
|
d_printf("Please provide a valid DC name parameter (-S)\n");
|
|
return -1;
|
|
}
|
|
|
|
if (strlen(dc_address) == 0) {
|
|
d_printf("Please provide a valid domain controller address parameter (-I)\n");
|
|
return -1;
|
|
}
|
|
|
|
if (machine_account_name == NULL) {
|
|
d_printf("Please provide a valid netbios name parameter\n");
|
|
return -1;
|
|
}
|
|
|
|
if (machine_account_password == NULL) {
|
|
d_printf("Please provide a valid password parameter\n");
|
|
return -1;
|
|
}
|
|
|
|
if (domain_sid_str == NULL) {
|
|
d_printf("Please provide a valid <domain_sid> parameter\n");
|
|
return -1;
|
|
}
|
|
|
|
if (domain_guid_str == NULL) {
|
|
d_printf("Please provide a valid <domain_guid> parameter\n");
|
|
return -1;
|
|
}
|
|
|
|
if (forest_name == NULL) {
|
|
d_printf("Please provide a valid <forest_name> parameter\n");
|
|
return -1;
|
|
}
|
|
|
|
ok = dom_sid_parse(domain_sid_str, &domain_sid);
|
|
if (!ok) {
|
|
d_fprintf(stderr, _("Failed to parse domain SID\n"));
|
|
return -1;
|
|
}
|
|
|
|
ntstatus = GUID_from_string(domain_guid_str, &domain_guid);
|
|
if (NT_STATUS_IS_ERR(ntstatus)) {
|
|
d_fprintf(stderr, _("Failed to parse domain GUID\n"));
|
|
return -1;
|
|
}
|
|
|
|
status = NetComposeOfflineDomainJoin(dns_domain_name,
|
|
netbios_domain_name,
|
|
(struct domsid *)&domain_sid,
|
|
&domain_guid,
|
|
forest_name,
|
|
machine_account_name,
|
|
machine_account_password,
|
|
dc_name,
|
|
dc_address,
|
|
domain_is_ad,
|
|
NULL,
|
|
0,
|
|
&provision_text_data);
|
|
if (status != 0) {
|
|
d_printf("Failed to compose offline domain join blob: %s\n",
|
|
libnetapi_get_error_string(c->netapi_ctx, status));
|
|
return status;
|
|
}
|
|
|
|
if (savefile != NULL) {
|
|
DATA_BLOB ucs2_blob, blob;
|
|
|
|
/*
|
|
* Windows produces and consumes UTF16/UCS2 encoded blobs
|
|
* so we also do it for compatibility. Someone may provision an
|
|
* account for a Windows machine with samba.
|
|
*/
|
|
ok = push_reg_sz(c, &ucs2_blob, provision_text_data);
|
|
if (!ok) {
|
|
return -1;
|
|
}
|
|
|
|
/* Add the unicode BOM mark */
|
|
blob = data_blob_talloc(c, NULL, ucs2_blob.length + 2);
|
|
if (blob.data == NULL) {
|
|
d_printf("Failed to allocate blob: %s\n",
|
|
strerror(errno));
|
|
return -1;
|
|
}
|
|
|
|
blob.data[0] = 0xff;
|
|
blob.data[1] = 0xfe;
|
|
|
|
memcpy(blob.data + 2, ucs2_blob.data, ucs2_blob.length);
|
|
|
|
ok = file_save(savefile, blob.data, blob.length);
|
|
if (!ok) {
|
|
d_printf("Failed to save %s: %s\n", savefile,
|
|
strerror(errno));
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (printblob) {
|
|
printf("%s\n", provision_text_data);
|
|
}
|
|
|
|
return 0;
|
|
}
|