source4/utils/net/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    Copyright (C) 2004 Stefan Metzmacher (metze@samba.org)
   9
  10    Largely rewritten by metze in August 2004
  11
  12    Originally written by Steve and Jim. Largely rewritten by tridge in
  13    November 2001.
  14
  15    Reworked again by abartlet in December 2001
  16
  17    This program is free software; you can redistribute it and/or modify
  18    it under the terms of the GNU General Public License as published by
  19    the Free Software Foundation; either version 3 of the License, or
  20    (at your option) any later version.
  21
  22    This program is distributed in the hope that it will be useful,
  23    but WITHOUT ANY WARRANTY; without even the implied warranty of
  24    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  25    GNU General Public License for more details.
  26
  27    You should have received a copy of the GNU General Public License
  28    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  29 */
  30
  31 /*****************************************************/
  32 /*                                                   */
  33 /*   Distributed SMB/CIFS Server Management Utility  */
  34 /*                                                   */
  35 /*   The intent was to make the syntax similar       */
  36 /*   to the NET utility (first developed in DOS      */
  37 /*   with additional interesting & useful functions  */
  38 /*   added in later SMB server network operating     */
  39 /*   systems).                                       */
  40 /*                                                   */
  41 /*****************************************************/
  42
  43 #include "includes.h"
  44 #include "utils/net/net.h"
  45 #include "lib/cmdline/popt_common.h"
  46 #include "lib/ldb/include/ldb.h"
  47 #include "librpc/rpc/dcerpc.h"
  48 #include "param/param.h"
  49 #include "lib/events/events.h"
  50 #include "auth/credentials/credentials.h"
  51
  52 /*
  53   run a function from a function table. If not found then
  54   call the specified usage function
  55 */
  56 int net_run_function(struct net_context *ctx,
  57                         int argc, const char **argv,
  58                         const struct net_functable *functable,
  59                         int (*usage_fn)(struct net_context *ctx, int argc, const char **argv))
  60 {
  61         int i;
  62
  63         if (argc == 0) {
  64                 return usage_fn(ctx, argc, argv);
  65
  66         } else if (argc == 1 && strequal(argv[0], "help")) {
  67                 return net_help(ctx, functable);
  68         }
  69
  70         for (i=0; functable[i].name; i++) {
  71                 if (strcasecmp_m(argv[0], functable[i].name) == 0)
  72                         return functable[i].fn(ctx, argc-1, argv+1);
  73         }
  74
  75         d_printf("No command: %s\n", argv[0]);
  76         return usage_fn(ctx, argc, argv);
  77 }
  78
  79 /*
  80   run a usage function from a function table. If not found then fail
  81 */
  82 int net_run_usage(struct net_context *ctx,
  83                         int argc, const char **argv,
  84                         const struct net_functable *functable)
  85 {
  86         int i;
  87
  88         for (i=0; functable[i].name; i++) {
  89                 if (strcasecmp_m(argv[0], functable[i].name) == 0)
  90                         if (functable[i].usage) {
  91                                 return functable[i].usage(ctx, argc-1, argv+1);
  92                         }
  93         }
  94
  95         d_printf("No usage information for command: %s\n", argv[0]);
  96
  97         return 1;
  98 }
  99
 100
 101 /* main function table */
 102 static const struct net_functable net_functable[] = {
 103         {"password", "change password\n", net_password, net_password_usage},
 104         {"time", "get remote server's time\n", net_time, net_time_usage},
 105         {"join", "join a domain\n", net_join, net_join_usage},
 106         {"samdump", "dump the sam of a domain\n", net_samdump, net_samdump_usage},
 107         {"export", "dump the sam of this domain\n", net_export, net_export_usage},
 108         {"vampire", "join and syncronise an AD domain onto the local server\n", net_vampire, net_vampire_usage},
 109         {"samsync", "synchronise into the local ldb the sam of an NT4 domain\n", net_samsync_ldb, net_samsync_ldb_usage},
 110         {"user", "manage user accounts\n", net_user, net_user_usage},
 111         {"machinepw", "Get a machine password out of our SAM\n", net_machinepw, net_machinepw_usage},
 112         {NULL, NULL, NULL, NULL}
 113 };
 114
 115 int net_help(struct net_context *ctx, const struct net_functable *ftable)
 116 {
 117         int i = 0;
 118         const char *name = ftable[i].name;
 119         const char *desc = ftable[i].desc;
 120
 121         d_printf("Available commands:\n");
 122         while (name && desc) {
 123                 d_printf("\t%s\t\t%s", name, desc);
 124                 name = ftable[++i].name;
 125                 desc = ftable[i].desc;
 126         }
 127
 128         return 0;
 129 }
 130
 131 static int net_usage(struct net_context *ctx, int argc, const char **argv)
 132 {
 133         d_printf("Usage:\n");
 134         d_printf("net <command> [options]\n");
 135         return 0;
 136 }
 137
 138 /****************************************************************************
 139   main program
 140 ****************************************************************************/
 141 static int binary_net(int argc, const char **argv)
 142 {
 143         int opt,i;
 144         int rc;
 145         int argc_new;
 146         const char **argv_new;
 147         struct tevent_context *ev;
 148         struct net_context *ctx = NULL;
 149         poptContext pc;
 150         struct poptOption long_options[] = {
 151                 POPT_AUTOHELP
 152                 POPT_COMMON_SAMBA
 153                 POPT_COMMON_CONNECTION
 154                 POPT_COMMON_CREDENTIALS
 155                 POPT_COMMON_VERSION
 156                 { NULL }
 157         };
 158
 159         setlinebuf(stdout);
 160
 161         pc = poptGetContext("net", argc, (const char **) argv, long_options,
 162                             POPT_CONTEXT_KEEP_FIRST);
 163
 164         while((opt = poptGetNextOpt(pc)) != -1) {
 165                 switch (opt) {
 166                 default:
 167                         d_printf("Invalid option %s: %s\n",
 168                                  poptBadOption(pc, 0), poptStrerror(opt));
 169                         net_usage(ctx, argc, argv);
 170                         exit(1);
 171                 }
 172         }
 173
 174         argv_new = (const char **)poptGetArgs(pc);
 175
 176         argc_new = argc;
 177         for (i=0; i<argc; i++) {
 178                 if (argv_new[i] == NULL) {
 179                         argc_new = i;
 180                         break;
 181                 }
 182         }
 183
 184         if (argc_new < 2) {
 185                 return net_usage(ctx, argc, argv);
 186         }
 187
 188         dcerpc_init(cmdline_lp_ctx);
 189
 190         ev = s4_event_context_init(NULL);
 191         if (!ev) {
 192                 d_printf("Failed to create an event context\n");
 193                 exit(1);
 194         }
 195         ctx = talloc(ev, struct net_context);
 196         if (!ctx) {
 197                 d_printf("Failed to talloc a net_context\n");
 198                 exit(1);
 199         }
 200
 201         ZERO_STRUCTP(ctx);
 202         ctx->lp_ctx = cmdline_lp_ctx;
 203         ctx->credentials = cmdline_credentials;
 204         ctx->event_ctx = ev;
 205
 206         rc = net_run_function(ctx, argc_new-1, argv_new+1, net_functable, net_usage);
 207
 208         if (rc != 0) {
 209                 DEBUG(0,("return code = %d\n", rc));
 210         }
 211
 212         talloc_free(ev);
 213         return rc;
 214 }
 215
 216  int main(int argc, const char **argv)
 217 {
 218         return binary_net(argc, argv);
 219 }