r269: Patch from Krischan Jodies <kj@sernet.de>: Implement 'net rpc group delete'.
[tprouty/samba.git] / source3 / utils / net.c
1 /* 
2    Samba Unix/Linux SMB client library 
3    Distributed SMB/CIFS Server Management Utility 
4    Copyright (C) 2001 Steve French  (sfrench@us.ibm.com)
5    Copyright (C) 2001 Jim McDonough (jmcd@us.ibm.com)
6    Copyright (C) 2001 Andrew Tridgell (tridge@samba.org)
7    Copyright (C) 2001 Andrew Bartlett (abartlet@samba.org)
8
9    Originally written by Steve and Jim. Largely rewritten by tridge in
10    November 2001.
11
12    Reworked again by abartlet in December 2001
13
14    This program is free software; you can redistribute it and/or modify
15    it under the terms of the GNU General Public License as published by
16    the Free Software Foundation; either version 2 of the License, or
17    (at your option) any later version.
18    
19    This program is distributed in the hope that it will be useful,
20    but WITHOUT ANY WARRANTY; without even the implied warranty of
21    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
22    GNU General Public License for more details.
23    
24    You should have received a copy of the GNU General Public License
25    along with this program; if not, write to the Free Software
26    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
27  
28 /*****************************************************/
29 /*                                                   */
30 /*   Distributed SMB/CIFS Server Management Utility  */
31 /*                                                   */
32 /*   The intent was to make the syntax similar       */
33 /*   to the NET utility (first developed in DOS      */
34 /*   with additional interesting & useful functions  */
35 /*   added in later SMB server network operating     */
36 /*   systems).                                       */
37 /*                                                   */
38 /*****************************************************/
39
40 #include "includes.h"
41 #include "../utils/net.h"
42
43 /***********************************************************************/
44 /* Beginning of internationalization section.  Translatable constants  */
45 /* should be kept in this area and referenced in the rest of the code. */
46 /*                                                                     */
47 /* No functions, outside of Samba or LSB (Linux Standards Base) should */
48 /* be used (if possible).                                              */
49 /***********************************************************************/
50
51 #define YES_STRING              "Yes"
52 #define NO_STRING               "No"
53
54 /************************************************************************************/
55 /*                       end of internationalization section                        */
56 /************************************************************************************/
57
58 /* Yes, these buggers are globals.... */
59 const char *opt_requester_name = NULL;
60 const char *opt_host = NULL; 
61 const char *opt_password = NULL;
62 const char *opt_user_name = NULL;
63 BOOL opt_user_specified = False;
64 const char *opt_workgroup = NULL;
65 int opt_long_list_entries = 0;
66 int opt_reboot = 0;
67 int opt_force = 0;
68 int opt_port = 0;
69 int opt_verbose = 0;
70 int opt_maxusers = -1;
71 const char *opt_comment = "";
72 const char *opt_container = "cn=Users";
73 int opt_flags = -1;
74 int opt_timeout = 0;
75 const char *opt_target_workgroup = NULL;
76 int opt_machine_pass = 0;
77 BOOL opt_localgroup = False;
78 BOOL opt_domaingroup = False;
79 const char *opt_newntname = "";
80 int opt_rid = 0;
81
82 BOOL opt_have_ip = False;
83 struct in_addr opt_dest_ip;
84
85 extern BOOL AllowDebugChange;
86
87 uint32 get_sec_channel_type(const char *param) 
88 {
89         if (!(param && *param)) {
90                 return get_default_sec_channel();
91         } else {
92                 if (strequal(param, "PDC")) {
93                         return SEC_CHAN_BDC;
94                 } else if (strequal(param, "BDC")) {
95                         return SEC_CHAN_BDC;
96                 } else if (strequal(param, "MEMBER")) {
97                         return SEC_CHAN_WKSTA;
98 #if 0                   
99                 } else if (strequal(param, "DOMAIN")) {
100                         return SEC_CHAN_DOMAIN;
101 #endif
102                 } else {
103                         return get_default_sec_channel();
104                 }
105         }
106 }
107
108 /*
109   run a function from a function table. If not found then
110   call the specified usage function 
111 */
112 int net_run_function(int argc, const char **argv, struct functable *table, 
113                      int (*usage_fn)(int argc, const char **argv))
114 {
115         int i;
116         
117         if (argc < 1) {
118                 d_printf("\nUsage: \n");
119                 return usage_fn(argc, argv);
120         }
121         for (i=0; table[i].funcname; i++) {
122                 if (StrCaseCmp(argv[0], table[i].funcname) == 0)
123                         return table[i].fn(argc-1, argv+1);
124         }
125         d_printf("No command: %s\n", argv[0]);
126         return usage_fn(argc, argv);
127 }
128
129
130 /****************************************************************************
131 connect to \\server\ipc$  
132 ****************************************************************************/
133 NTSTATUS connect_to_ipc(struct cli_state **c, struct in_addr *server_ip,
134                                         const char *server_name)
135 {
136         NTSTATUS nt_status;
137
138         if (!opt_password && !opt_machine_pass) {
139                 char *pass = getpass("Password:");
140                 if (pass) {
141                         opt_password = strdup(pass);
142                 }
143         }
144         
145         nt_status = cli_full_connection(c, NULL, server_name, 
146                                         server_ip, opt_port,
147                                         "IPC$", "IPC",  
148                                         opt_user_name, opt_workgroup,
149                                         opt_password, 0, Undefined, NULL);
150         
151         if (NT_STATUS_IS_OK(nt_status)) {
152                 return nt_status;
153         } else {
154                 d_printf("Could not connect to server %s\n", server_name);
155
156                 /* Display a nicer message depending on the result */
157
158                 if (NT_STATUS_V(nt_status) == 
159                     NT_STATUS_V(NT_STATUS_LOGON_FAILURE))
160                         d_printf("The username or password was not correct.\n");
161
162                 if (NT_STATUS_V(nt_status) == 
163                     NT_STATUS_V(NT_STATUS_ACCOUNT_LOCKED_OUT))
164                         d_printf("The account was locked out.\n");
165
166                 if (NT_STATUS_V(nt_status) == 
167                     NT_STATUS_V(NT_STATUS_ACCOUNT_DISABLED))
168                         d_printf("The account was disabled.\n");
169
170                 return nt_status;
171         }
172 }
173
174 /****************************************************************************
175 connect to \\server\ipc$ anonymously
176 ****************************************************************************/
177 NTSTATUS connect_to_ipc_anonymous(struct cli_state **c,
178                         struct in_addr *server_ip, const char *server_name)
179 {
180         NTSTATUS nt_status;
181
182         nt_status = cli_full_connection(c, opt_requester_name, server_name, 
183                                         server_ip, opt_port,
184                                         "IPC$", "IPC",  
185                                         "", "",
186                                         "", 0, Undefined, NULL);
187         
188         if (NT_STATUS_IS_OK(nt_status)) {
189                 return nt_status;
190         } else {
191                 DEBUG(1,("Cannot connect to server (anonymously).  Error was %s\n", nt_errstr(nt_status)));
192                 return nt_status;
193         }
194 }
195
196 /****************************************************************************
197  Use the local machine's password for this session
198 ****************************************************************************/
199 int net_use_machine_password(void) 
200 {
201         char *user_name = NULL;
202
203         if (!secrets_init()) {
204                 d_printf("ERROR: Unable to open secrets database\n");
205                 exit(1);
206         }
207
208         user_name = NULL;
209         opt_password = secrets_fetch_machine_password(opt_target_workgroup, NULL, NULL);
210         if (asprintf(&user_name, "%s$@%s", global_myname(), lp_realm()) == -1) {
211                 return -1;
212         }
213         opt_user_name = user_name;
214         return 0;
215 }
216
217 BOOL net_find_server(unsigned flags, struct in_addr *server_ip, char **server_name)
218 {
219
220         if (opt_host) {
221                 *server_name = strdup(opt_host);
222         }               
223
224         if (opt_have_ip) {
225                 *server_ip = opt_dest_ip;
226                 if (!*server_name) {
227                         *server_name = strdup(inet_ntoa(opt_dest_ip));
228                 }
229         } else if (*server_name) {
230                 /* resolve the IP address */
231                 if (!resolve_name(*server_name, server_ip, 0x20))  {
232                         DEBUG(1,("Unable to resolve server name\n"));
233                         return False;
234                 }
235         } else if (flags & NET_FLAGS_PDC) {
236                 struct in_addr pdc_ip;
237
238                 if (get_pdc_ip(opt_target_workgroup, &pdc_ip)) {
239                         fstring dc_name;
240                         
241                         if (is_zero_ip(pdc_ip))
242                                 return False;
243                         
244                         if ( !name_status_find(opt_target_workgroup, 0x1b, 0x20, pdc_ip, dc_name) )
245                                 return False;
246                                 
247                         *server_name = strdup(dc_name);
248                         *server_ip = pdc_ip;
249                 }
250                 
251         } else if (flags & NET_FLAGS_DMB) {
252                 struct in_addr msbrow_ip;
253                 /*  if (!resolve_name(MSBROWSE, &msbrow_ip, 1)) */
254                 if (!resolve_name(opt_target_workgroup, &msbrow_ip, 0x1B))  {
255                         DEBUG(1,("Unable to resolve domain browser via name lookup\n"));
256                         return False;
257                 } else {
258                         *server_ip = msbrow_ip;
259                 }
260                 *server_name = strdup(inet_ntoa(opt_dest_ip));
261         } else if (flags & NET_FLAGS_MASTER) {
262                 struct in_addr brow_ips;
263                 if (!resolve_name(opt_target_workgroup, &brow_ips, 0x1D))  {
264                                 /* go looking for workgroups */
265                         DEBUG(1,("Unable to resolve master browser via name lookup\n"));
266                         return False;
267                 } else {
268                         *server_ip = brow_ips;
269                 }
270                 *server_name = strdup(inet_ntoa(opt_dest_ip));
271         } else if (!(flags & NET_FLAGS_LOCALHOST_DEFAULT_INSANE)) {
272                 extern struct in_addr loopback_ip;
273                 *server_ip = loopback_ip;
274                 *server_name = strdup("127.0.0.1");
275         }
276
277         if (!server_name || !*server_name) {
278                 DEBUG(1,("no server to connect to\n"));
279                 return False;
280         }
281
282         return True;
283 }
284
285
286 BOOL net_find_pdc(struct in_addr *server_ip, fstring server_name, const char *domain_name)
287 {
288         if (get_pdc_ip(domain_name, server_ip)) {
289                 if (is_zero_ip(*server_ip))
290                         return False;
291                 
292                 if (!name_status_find(domain_name, 0x1b, 0x20, *server_ip, server_name))
293                         return False;
294                         
295                 return True;    
296         } 
297         else
298                 return False;
299 }
300
301
302 struct cli_state *net_make_ipc_connection(unsigned flags)
303 {
304         char *server_name = NULL;
305         struct in_addr server_ip;
306         struct cli_state *cli = NULL;
307         NTSTATUS nt_status;
308
309         if (!net_find_server(flags, &server_ip, &server_name)) {
310                 d_printf("\nUnable to find a suitable server\n");
311                 return NULL;
312         }
313
314         if (flags & NET_FLAGS_ANONYMOUS) {
315                 nt_status = connect_to_ipc_anonymous(&cli, &server_ip, server_name);
316         } else {
317                 nt_status = connect_to_ipc(&cli, &server_ip, server_name);
318         }
319
320         SAFE_FREE(server_name);
321         if (NT_STATUS_IS_OK(nt_status)) {
322                 return cli;
323         } else {
324                 return NULL;
325         }
326 }
327
328 static int net_user(int argc, const char **argv)
329 {
330         if (net_ads_check() == 0)
331                 return net_ads_user(argc, argv);
332
333         /* if server is not specified, default to PDC? */
334         if (net_rpc_check(NET_FLAGS_PDC))
335                 return net_rpc_user(argc, argv);
336
337         return net_rap_user(argc, argv);
338 }
339
340 static int net_group(int argc, const char **argv)
341 {
342         if (net_ads_check() == 0)
343                 return net_ads_group(argc, argv);
344
345         if (argc == 0 && net_rpc_check(NET_FLAGS_PDC))
346                 return net_rpc_group(argc, argv);
347
348         return net_rap_group(argc, argv);
349 }
350
351 static int net_join(int argc, const char **argv)
352 {
353         if (net_ads_check() == 0) {
354                 if (net_ads_join(argc, argv) == 0)
355                         return 0;
356                 else
357                         d_printf("ADS join did not work, falling back to RPC...\n");
358         }
359         return net_rpc_join(argc, argv);
360 }
361
362 static int net_changetrustpw(int argc, const char **argv)
363 {
364         if (net_ads_check() == 0)
365                 return net_ads_changetrustpw(argc, argv);
366
367         return net_rpc_changetrustpw(argc, argv);
368 }
369
370 static int net_changesecretpw(int argc, const char **argv)
371 {
372         char *trust_pw;
373         uint32 sec_channel_type = SEC_CHAN_WKSTA;
374
375         if(opt_force) {
376                 trust_pw = getpass("Enter machine password: ");
377
378                 if (!secrets_store_machine_password(trust_pw, lp_workgroup(), sec_channel_type)) {
379                             d_printf("Unable to write the machine account password in the secrets database");
380                             return 1;
381                 }
382                 else {
383                     d_printf("Modified trust account password in secrets database\n");
384                 }
385         }
386         else {
387                 d_printf("Machine account password change requires the -f flag.\n");
388                 d_printf("Do NOT use this function unless you know what it does!\n");
389                 d_printf("This function will change the ADS Domain member machine account password in the secrets.tdb file!\n");
390         }
391
392         return 0;
393 }
394
395 static int net_share(int argc, const char **argv)
396 {
397         if (net_rpc_check(0))
398                 return net_rpc_share(argc, argv);
399         return net_rap_share(argc, argv);
400 }
401
402 static int net_file(int argc, const char **argv)
403 {
404         if (net_rpc_check(0))
405                 return net_rpc_file(argc, argv);
406         return net_rap_file(argc, argv);
407 }
408
409 /*
410  Retrieve our local SID or the SID for the specified name
411  */
412 static int net_getlocalsid(int argc, const char **argv)
413 {
414         DOM_SID sid;
415         const char *name;
416         fstring sid_str;
417
418         if (argc >= 1) {
419                 name = argv[0];
420         }
421         else {
422                 name = global_myname();
423         }
424
425         if(!initialize_password_db(False)) {
426                 DEBUG(0, ("WARNING: Could not open passdb - local sid may not reflect passdb\n"
427                           "backend knowlege (such as the sid stored in LDAP)\n"));
428         }
429
430         /* Generate one, if it doesn't exist */
431         get_global_sam_sid();
432
433         if (!secrets_fetch_domain_sid(name, &sid)) {
434                 DEBUG(0, ("Can't fetch domain SID for name: %s\n", name));      
435                 return 1;
436         }
437         sid_to_string(sid_str, &sid);
438         d_printf("SID for domain %s is: %s\n", name, sid_str);
439         return 0;
440 }
441
442 static int net_setlocalsid(int argc, const char **argv)
443 {
444         DOM_SID sid;
445
446         if ( (argc != 1)
447              || (strncmp(argv[0], "S-1-5-21-", strlen("S-1-5-21-")) != 0)
448              || (!string_to_sid(&sid, argv[0]))
449              || (sid.num_auths != 4)) {
450                 d_printf("usage: net setlocalsid S-1-5-21-x-y-z\n");
451                 return 1;
452         }
453
454         if (!secrets_store_domain_sid(global_myname(), &sid)) {
455                 DEBUG(0,("Can't store domain SID as a pdc/bdc.\n"));
456                 return 1;
457         }
458
459         return 0;
460 }
461
462 static int net_getdomainsid(int argc, const char **argv)
463 {
464         DOM_SID domain_sid;
465         fstring sid_str;
466
467         if(!initialize_password_db(False)) {
468                 DEBUG(0, ("WARNING: Could not open passdb - domain sid may not reflect passdb\n"
469                           "backend knowlege (such as the sid stored in LDAP)\n"));
470         }
471
472         /* Generate one, if it doesn't exist */
473         get_global_sam_sid();
474
475         if (!secrets_fetch_domain_sid(global_myname(), &domain_sid)) {
476                 d_printf("Could not fetch local SID\n");
477                 return 1;
478         }
479         sid_to_string(sid_str, &domain_sid);
480         d_printf("SID for domain %s is: %s\n", global_myname(), sid_str);
481
482         if (!secrets_fetch_domain_sid(opt_workgroup, &domain_sid)) {
483                 d_printf("Could not fetch domain SID\n");
484                 return 1;
485         }
486
487         sid_to_string(sid_str, &domain_sid);
488         d_printf("SID for domain %s is: %s\n", opt_workgroup, sid_str);
489
490         return 0;
491 }
492
493 #ifdef WITH_FAKE_KASERVER
494
495 int net_afskey_usage(int argc, const char **argv)
496 {
497         d_printf("  net afskey filename\n"
498                  "\tImports a OpenAFS KeyFile into our secrets.tdb\n\n");
499         return -1;
500 }
501
502 static int net_afskey(int argc, const char **argv)
503 {
504         int fd;
505         struct afs_keyfile keyfile;
506
507         if (argc != 2) {
508                 d_printf("usage: 'net afskey <keyfile> cell'\n");
509                 return -1;
510         }
511
512         if (!secrets_init()) {
513                 d_printf("Could not open secrets.tdb\n");
514                 return -1;
515         }
516
517         if ((fd = open(argv[0], O_RDONLY, 0)) < 0) {
518                 d_printf("Could not open %s\n", argv[0]);
519                 return -1;
520         }
521
522         if (read(fd, &keyfile, sizeof(keyfile)) != sizeof(keyfile)) {
523                 d_printf("Could not read keyfile\n");
524                 return -1;
525         }
526
527         if (!secrets_store_afs_keyfile(argv[1], &keyfile)) {
528                 d_printf("Could not write keyfile to secrets.tdb\n");
529                 return -1;
530         }
531
532         return 0;
533 }
534
535 #endif /* WITH_FAKE_KASERVER */
536
537 static uint32 get_maxrid(void)
538 {
539         SAM_ACCOUNT *pwd = NULL;
540         uint32 max_rid = 0;
541         GROUP_MAP *map = NULL;
542         int num_entries = 0;
543         int i;
544
545         if (!pdb_setsampwent(False)) {
546                 DEBUG(0, ("load_sampwd_entries: Unable to open passdb.\n"));
547                 return 0;
548         }
549
550         for (; (NT_STATUS_IS_OK(pdb_init_sam(&pwd))) 
551                      && pdb_getsampwent(pwd) == True; pwd=NULL) {
552                 uint32 rid;
553
554                 if (!sid_peek_rid(pdb_get_user_sid(pwd), &rid)) {
555                         DEBUG(0, ("can't get RID for user '%s'\n",
556                                   pdb_get_username(pwd)));
557                         pdb_free_sam(&pwd);
558                         continue;
559                 }
560
561                 if (rid > max_rid)
562                         max_rid = rid;
563
564                 DEBUG(1,("%d is user '%s'\n", rid, pdb_get_username(pwd)));
565                 pdb_free_sam(&pwd);
566         }
567
568         pdb_endsampwent();
569         pdb_free_sam(&pwd);
570
571         if (!pdb_enum_group_mapping(SID_NAME_UNKNOWN, &map, &num_entries,
572                                     ENUM_ONLY_MAPPED))
573                 return max_rid;
574
575         for (i = 0; i < num_entries; i++) {
576                 uint32 rid;
577
578                 if (!sid_peek_check_rid(get_global_sam_sid(), &map[i].sid,
579                                         &rid)) {
580                         DEBUG(3, ("skipping map for group '%s', SID %s\n",
581                                   map[i].nt_name,
582                                   sid_string_static(&map[i].sid)));
583                         continue;
584                 }
585                 DEBUG(1,("%d is group '%s'\n", rid, map[i].nt_name));
586
587                 if (rid > max_rid)
588                         max_rid = rid;
589         }
590
591         SAFE_FREE(map);
592
593         return max_rid;
594 }
595
596 static int net_maxrid(int argc, const char **argv)
597 {
598         uint32 rid;
599
600         if (argc != 0) {
601                 DEBUG(0, ("usage: net maxrid\n"));
602                 return 1;
603         }
604
605         if ((rid = get_maxrid()) == 0) {
606                 DEBUG(0, ("can't get current maximum rid\n"));
607                 return 1;
608         }
609
610         d_printf("Currently used maximum rid: %d\n", rid);
611
612         return 0;
613 }
614
615 /* main function table */
616 static struct functable net_func[] = {
617         {"RPC", net_rpc},
618         {"RAP", net_rap},
619         {"ADS", net_ads},
620
621         /* eventually these should auto-choose the transport ... */
622         {"FILE", net_file},
623         {"SHARE", net_share},
624         {"SESSION", net_rap_session},
625         {"SERVER", net_rap_server},
626         {"DOMAIN", net_rap_domain},
627         {"PRINTQ", net_rap_printq},
628         {"USER", net_user},
629         {"GROUP", net_group},
630         {"GROUPMAP", net_groupmap},
631         {"VALIDATE", net_rap_validate},
632         {"GROUPMEMBER", net_rap_groupmember},
633         {"ADMIN", net_rap_admin},
634         {"SERVICE", net_rap_service},   
635         {"PASSWORD", net_rap_password},
636         {"CHANGETRUSTPW", net_changetrustpw},
637         {"CHANGESECRETPW", net_changesecretpw},
638         {"TIME", net_time},
639         {"LOOKUP", net_lookup},
640         {"JOIN", net_join},
641         {"CACHE", net_cache},
642         {"GETLOCALSID", net_getlocalsid},
643         {"SETLOCALSID", net_setlocalsid},
644         {"GETDOMAINSID", net_getdomainsid},
645         {"MAXRID", net_maxrid},
646         {"IDMAP", net_idmap},
647         {"STATUS", net_status},
648 #ifdef WITH_FAKE_KASERVER
649         {"AFSKEY", net_afskey},
650 #endif
651
652         {"HELP", net_help},
653         {NULL, NULL}
654 };
655
656
657 /****************************************************************************
658   main program
659 ****************************************************************************/
660  int main(int argc, const char **argv)
661 {
662         int opt,i;
663         char *p;
664         int rc = 0;
665         int argc_new = 0;
666         const char ** argv_new;
667         poptContext pc;
668
669         struct poptOption long_options[] = {
670                 {"help",        'h', POPT_ARG_NONE,   0, 'h'},
671                 {"workgroup",   'w', POPT_ARG_STRING, &opt_target_workgroup},
672                 {"user",        'U', POPT_ARG_STRING, &opt_user_name, 'U'},
673                 {"ipaddress",   'I', POPT_ARG_STRING, 0,'I'},
674                 {"port",        'p', POPT_ARG_INT,    &opt_port},
675                 {"myname",      'n', POPT_ARG_STRING, &opt_requester_name},
676                 {"server",      'S', POPT_ARG_STRING, &opt_host},
677                 {"container",   'c', POPT_ARG_STRING, &opt_container},
678                 {"comment",     'C', POPT_ARG_STRING, &opt_comment},
679                 {"maxusers",    'M', POPT_ARG_INT,    &opt_maxusers},
680                 {"flags",       'F', POPT_ARG_INT,    &opt_flags},
681                 {"long",        'l', POPT_ARG_NONE,   &opt_long_list_entries},
682                 {"reboot",      'r', POPT_ARG_NONE,   &opt_reboot},
683                 {"force",       'f', POPT_ARG_NONE,   &opt_force},
684                 {"timeout",     't', POPT_ARG_INT,    &opt_timeout},
685                 {"machine-pass",'P', POPT_ARG_NONE,   &opt_machine_pass},
686                 {"myworkgroup", 'W', POPT_ARG_STRING, &opt_workgroup},
687                 {"verbose",     'v', POPT_ARG_NONE,   &opt_verbose},
688                 /* Options for 'net groupmap set' */
689                 {"local",       'L', POPT_ARG_NONE,   &opt_localgroup},
690                 {"domain",      'D', POPT_ARG_NONE,   &opt_domaingroup},
691                 {"ntname",      'N', POPT_ARG_STRING, &opt_newntname},
692                 {"rid",         'R', POPT_ARG_INT,    &opt_rid},
693
694                 POPT_COMMON_SAMBA
695                 { 0, 0, 0, 0}
696         };
697
698         zero_ip(&opt_dest_ip);
699
700         /* set default debug level to 0 regardless of what smb.conf sets */
701         DEBUGLEVEL_CLASS[DBGC_ALL] = 0;
702         dbf = x_stderr;
703         
704         pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 
705                             POPT_CONTEXT_KEEP_FIRST);
706         
707         while((opt = poptGetNextOpt(pc)) != -1) {
708                 switch (opt) {
709                 case 'h':
710                         net_help(argc, argv);
711                         exit(0);
712                         break;
713                 case 'I':
714                         opt_dest_ip = *interpret_addr2(poptGetOptArg(pc));
715                         if (is_zero_ip(opt_dest_ip))
716                                 d_printf("\nInvalid ip address specified\n");
717                         else
718                                 opt_have_ip = True;
719                         break;
720                 case 'U':
721                         opt_user_specified = True;
722                         opt_user_name = strdup(opt_user_name);
723                         p = strchr(opt_user_name,'%');
724                         if (p) {
725                                 *p = 0;
726                                 opt_password = p+1;
727                         }
728                         break;
729                 default:
730                         d_printf("\nInvalid option %s: %s\n", 
731                                  poptBadOption(pc, 0), poptStrerror(opt));
732                         net_help(argc, argv);
733                         exit(1);
734                 }
735         }
736         
737         /*
738          * Don't load debug level from smb.conf. It should be
739          * set by cmdline arg or remain default (0)
740          */
741         AllowDebugChange = False;
742         lp_load(dyn_CONFIGFILE,True,False,False);
743         
744         argv_new = (const char **)poptGetArgs(pc);
745
746         argc_new = argc;
747         for (i=0; i<argc; i++) {
748                 if (argv_new[i] == NULL) {
749                         argc_new = i;
750                         break;
751                 }
752         }
753
754         if (opt_requester_name) {
755                 set_global_myname(opt_requester_name);
756         }
757
758         if (!opt_user_name && getenv("LOGNAME")) {
759                 opt_user_name = getenv("LOGNAME");
760         }
761
762         if (!opt_workgroup) {
763                 opt_workgroup = smb_xstrdup(lp_workgroup());
764         }
765         
766         if (!opt_target_workgroup) {
767                 opt_target_workgroup = smb_xstrdup(lp_workgroup());
768         }
769         
770         if (!init_names())
771                 exit(1);
772
773         load_interfaces();
774         
775         /* this makes sure that when we do things like call scripts, 
776            that it won't assert becouse we are not root */
777         sec_init();
778
779         if (opt_machine_pass) {
780                 /* it is very useful to be able to make ads queries as the
781                    machine account for testing purposes and for domain leave */
782
783                 net_use_machine_password();
784         }
785
786         if (!opt_password) {
787                 opt_password = getenv("PASSWD");
788         }
789          
790         rc = net_run_function(argc_new-1, argv_new+1, net_func, net_help);
791         
792         DEBUG(2,("return code = %d\n", rc));
793         return rc;
794 }