source3/utils/net_rpc_shell.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  Shell around net rpc subcommands
   4  *  Copyright (C) Volker Lendecke 2006
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 3 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20
  21 #include "includes.h"
  22 #include "utils/net.h"
  23 #include "../librpc/gen_ndr/ndr_samr.h"
  24
  25 static NTSTATUS rpc_sh_info(struct net_context *c,
  26                             TALLOC_CTX *mem_ctx, struct rpc_sh_ctx *ctx,
  27                             struct rpc_pipe_client *pipe_hnd,
  28                             int argc, const char **argv)
  29 {
  30         return rpc_info_internals(c, ctx->domain_sid, ctx->domain_name,
  31                                   ctx->cli, pipe_hnd, mem_ctx,
  32                                   argc, argv);
  33 }
  34
  35 static struct rpc_sh_ctx *this_ctx;
  36
  37 static char **completion_fn(const char *text, int start, int end)
  38 {
  39         char **cmds = NULL;
  40         int n_cmds = 0;
  41         struct rpc_sh_cmd *c;
  42
  43         if (start != 0) {
  44                 return NULL;
  45         }
  46
  47         ADD_TO_ARRAY(NULL, char *, SMB_STRDUP(text), &cmds, &n_cmds);
  48
  49         for (c = this_ctx->cmds; c->name != NULL; c++) {
  50                 bool match = (strncmp(text, c->name, strlen(text)) == 0);
  51
  52                 if (match) {
  53                         ADD_TO_ARRAY(NULL, char *, SMB_STRDUP(c->name),
  54                                      &cmds, &n_cmds);
  55                 }
  56         }
  57
  58         if (n_cmds == 2) {
  59                 SAFE_FREE(cmds[0]);
  60                 cmds[0] = cmds[1];
  61                 n_cmds -= 1;
  62         }
  63
  64         ADD_TO_ARRAY(NULL, char *, NULL, &cmds, &n_cmds);
  65         return cmds;
  66 }
  67
  68 static NTSTATUS net_sh_run(struct net_context *c,
  69                            struct rpc_sh_ctx *ctx, struct rpc_sh_cmd *cmd,
  70                            int argc, const char **argv)
  71 {
  72         TALLOC_CTX *mem_ctx;
  73         struct rpc_pipe_client *pipe_hnd = NULL;
  74         NTSTATUS status;
  75
  76         mem_ctx = talloc_new(ctx);
  77         if (mem_ctx == NULL) {
  78                 d_fprintf(stderr, _("talloc_new failed\n"));
  79                 return NT_STATUS_NO_MEMORY;
  80         }
  81
  82         status = cli_rpc_pipe_open_noauth(ctx->cli, cmd->interface,
  83                                           &pipe_hnd);
  84         if (!NT_STATUS_IS_OK(status)) {
  85                 d_fprintf(stderr, _("Could not open pipe: %s\n"),
  86                           nt_errstr(status));
  87                 return status;
  88         }
  89
  90         status = cmd->fn(c, mem_ctx, ctx, pipe_hnd, argc, argv);
  91
  92         TALLOC_FREE(pipe_hnd);
  93
  94         talloc_destroy(mem_ctx);
  95
  96         return status;
  97 }
  98
  99 static bool net_sh_process(struct net_context *c,
 100                            struct rpc_sh_ctx *ctx,
 101                            int argc, const char **argv)
 102 {
 103         struct rpc_sh_cmd *cmd;
 104         struct rpc_sh_ctx *new_ctx;
 105         NTSTATUS status;
 106
 107         if (argc == 0) {
 108                 return true;
 109         }
 110
 111         if (ctx == this_ctx) {
 112
 113                 /* We've been called from the cmd line */
 114                 if (strequal(argv[0], "..") &&
 115                     (this_ctx->parent != NULL)) {
 116                         new_ctx = this_ctx->parent;
 117                         TALLOC_FREE(this_ctx);
 118                         this_ctx = new_ctx;
 119                         return true;
 120                 }
 121         }
 122
 123         if (strequal(argv[0], "exit") ||
 124             strequal(argv[0], "quit") ||
 125             strequal(argv[0], "q")) {
 126                 return false;
 127         }
 128
 129         if (strequal(argv[0], "help") || strequal(argv[0], "?")) {
 130                 for (cmd = ctx->cmds; cmd->name != NULL; cmd++) {
 131                         if (ctx != this_ctx) {
 132                                 d_printf("%s ", ctx->whoami);
 133                         }
 134                         d_printf("%-15s %s\n", cmd->name, cmd->help);
 135                 }
 136                 return true;
 137         }
 138
 139         for (cmd = ctx->cmds; cmd->name != NULL; cmd++) {
 140                 if (strequal(cmd->name, argv[0])) {
 141                         break;
 142                 }
 143         }
 144
 145         if (cmd->name == NULL) {
 146                 /* None found */
 147                 d_fprintf(stderr,_( "%s: unknown cmd\n"), argv[0]);
 148                 return true;
 149         }
 150
 151         new_ctx = TALLOC_P(ctx, struct rpc_sh_ctx);
 152         if (new_ctx == NULL) {
 153                 d_fprintf(stderr, _("talloc failed\n"));
 154                 return false;
 155         }
 156         new_ctx->cli = ctx->cli;
 157         new_ctx->whoami = talloc_asprintf(new_ctx, "%s %s",
 158                                           ctx->whoami, cmd->name);
 159         new_ctx->thiscmd = talloc_strdup(new_ctx, cmd->name);
 160
 161         if (cmd->sub != NULL) {
 162                 new_ctx->cmds = cmd->sub(c, new_ctx, ctx);
 163         } else {
 164                 new_ctx->cmds = NULL;
 165         }
 166
 167         new_ctx->parent = ctx;
 168         new_ctx->domain_name = ctx->domain_name;
 169         new_ctx->domain_sid = ctx->domain_sid;
 170
 171         argc -= 1;
 172         argv += 1;
 173
 174         if (cmd->sub != NULL) {
 175                 if (argc == 0) {
 176                         this_ctx = new_ctx;
 177                         return true;
 178                 }
 179                 return net_sh_process(c, new_ctx, argc, argv);
 180         }
 181
 182         status = net_sh_run(c, new_ctx, cmd, argc, argv);
 183
 184         if (!NT_STATUS_IS_OK(status)) {
 185                 d_fprintf(stderr, _("%s failed: %s\n"), new_ctx->whoami,
 186                           nt_errstr(status));
 187         }
 188
 189         return true;
 190 }
 191
 192 static struct rpc_sh_cmd sh_cmds[6] = {
 193
 194         { "info", NULL, &ndr_table_samr.syntax_id, rpc_sh_info,
 195           N_("Print information about the domain connected to") },
 196
 197         { "rights", net_rpc_rights_cmds, 0, NULL,
 198           N_("List/Grant/Revoke user rights") },
 199
 200         { "share", net_rpc_share_cmds, 0, NULL,
 201           N_("List/Add/Remove etc shares") },
 202
 203         { "user", net_rpc_user_cmds, 0, NULL,
 204           N_("List/Add/Remove user info") },
 205
 206         { "account", net_rpc_acct_cmds, 0, NULL,
 207           N_("Show/Change account policy settings") },
 208
 209         { NULL, NULL, 0, NULL, NULL }
 210 };
 211
 212 int net_rpc_shell(struct net_context *c, int argc, const char **argv)
 213 {
 214         NTSTATUS status;
 215         struct rpc_sh_ctx *ctx;
 216
 217         if (argc != 0 || c->display_usage) {
 218                 d_printf("%s\nnet rpc shell\n", _("Usage:"));
 219                 return -1;
 220         }
 221
 222         if (libnetapi_init(&c->netapi_ctx) != 0) {
 223                 return -1;
 224         }
 225         libnetapi_set_username(c->netapi_ctx, c->opt_user_name);
 226         libnetapi_set_password(c->netapi_ctx, c->opt_password);
 227         if (c->opt_kerberos) {
 228                 libnetapi_set_use_kerberos(c->netapi_ctx);
 229         }
 230
 231         ctx = TALLOC_P(NULL, struct rpc_sh_ctx);
 232         if (ctx == NULL) {
 233                 d_fprintf(stderr, _("talloc failed\n"));
 234                 return -1;
 235         }
 236
 237         status = net_make_ipc_connection(c, 0, &(ctx->cli));
 238         if (!NT_STATUS_IS_OK(status)) {
 239                 d_fprintf(stderr, _("Could not open connection: %s\n"),
 240                           nt_errstr(status));
 241                 return -1;
 242         }
 243
 244         ctx->cmds = sh_cmds;
 245         ctx->whoami = "net rpc";
 246         ctx->parent = NULL;
 247
 248         status = net_get_remote_domain_sid(ctx->cli, ctx, &ctx->domain_sid,
 249                                            &ctx->domain_name);
 250         if (!NT_STATUS_IS_OK(status)) {
 251                 return -1;
 252         }
 253
 254         d_printf(_("Talking to domain %s (%s)\n"), ctx->domain_name,
 255                  sid_string_tos(ctx->domain_sid));
 256
 257         this_ctx = ctx;
 258
 259         while(1) {
 260                 char *prompt = NULL;
 261                 char *line = NULL;
 262                 int ret;
 263
 264                 if (asprintf(&prompt, "%s> ", this_ctx->whoami) < 0) {
 265                         break;
 266                 }
 267
 268                 line = smb_readline(prompt, NULL, completion_fn);
 269                 SAFE_FREE(prompt);
 270
 271                 if (line == NULL) {
 272                         break;
 273                 }
 274
 275                 ret = poptParseArgvString(line, &argc, &argv);
 276                 if (ret == POPT_ERROR_NOARG) {
 277                         SAFE_FREE(line);
 278                         continue;
 279                 }
 280                 if (ret != 0) {
 281                         d_fprintf(stderr, _("cmdline invalid: %s\n"),
 282                                   poptStrerror(ret));
 283                         SAFE_FREE(line);
 284                         return false;
 285                 }
 286
 287                 if ((line[0] != '\n') &&
 288                     (!net_sh_process(c, this_ctx, argc, argv))) {
 289                         SAFE_FREE(line);
 290                         break;
 291                 }
 292                 SAFE_FREE(line);
 293         }
 294
 295         cli_shutdown(ctx->cli);
 296
 297         TALLOC_FREE(ctx);
 298
 299         return 0;
 300 }