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 "popt_common.h"
  23 #include "utils/net.h"
  24 #include "rpc_client/cli_pipe.h"
  25 #include "../librpc/gen_ndr/ndr_samr.h"
  26 #include "lib/netapi/netapi.h"
  27 #include "lib/netapi/netapi_net.h"
  28 #include "../libcli/smbreadline/smbreadline.h"
  29
  30 static NTSTATUS rpc_sh_info(struct net_context *c,
  31                             TALLOC_CTX *mem_ctx, struct rpc_sh_ctx *ctx,
  32                             struct rpc_pipe_client *pipe_hnd,
  33                             int argc, const char **argv)
  34 {
  35         return rpc_info_internals(c, ctx->domain_sid, ctx->domain_name,
  36                                   ctx->cli, pipe_hnd, mem_ctx,
  37                                   argc, argv);
  38 }
  39
  40 static struct rpc_sh_ctx *this_ctx;
  41
  42 static char **completion_fn(const char *text, int start, int end)
  43 {
  44         char **cmds = NULL;
  45         int n_cmds = 0;
  46         struct rpc_sh_cmd *c;
  47
  48         if (start != 0) {
  49                 return NULL;
  50         }
  51
  52         ADD_TO_ARRAY(NULL, char *, SMB_STRDUP(text), &cmds, &n_cmds);
  53
  54         for (c = this_ctx->cmds; c->name != NULL; c++) {
  55                 bool match = (strncmp(text, c->name, strlen(text)) == 0);
  56
  57                 if (match) {
  58                         ADD_TO_ARRAY(NULL, char *, SMB_STRDUP(c->name),
  59                                      &cmds, &n_cmds);
  60                 }
  61         }
  62
  63         if (n_cmds == 2) {
  64                 SAFE_FREE(cmds[0]);
  65                 cmds[0] = cmds[1];
  66                 n_cmds -= 1;
  67         }
  68
  69         ADD_TO_ARRAY(NULL, char *, NULL, &cmds, &n_cmds);
  70         return cmds;
  71 }
  72
  73 static NTSTATUS net_sh_run(struct net_context *c,
  74                            struct rpc_sh_ctx *ctx, struct rpc_sh_cmd *cmd,
  75                            int argc, const char **argv)
  76 {
  77         TALLOC_CTX *mem_ctx;
  78         struct rpc_pipe_client *pipe_hnd = NULL;
  79         NTSTATUS status;
  80
  81         mem_ctx = talloc_new(ctx);
  82         if (mem_ctx == NULL) {
  83                 d_fprintf(stderr, _("talloc_new failed\n"));
  84                 return NT_STATUS_NO_MEMORY;
  85         }
  86
  87         status = cli_rpc_pipe_open_noauth(ctx->cli, cmd->interface,
  88                                           &pipe_hnd);
  89         if (!NT_STATUS_IS_OK(status)) {
  90                 d_fprintf(stderr, _("Could not open pipe: %s\n"),
  91                           nt_errstr(status));
  92                 return status;
  93         }
  94
  95         status = cmd->fn(c, mem_ctx, ctx, pipe_hnd, argc, argv);
  96
  97         TALLOC_FREE(pipe_hnd);
  98
  99         talloc_destroy(mem_ctx);
 100
 101         return status;
 102 }
 103
 104 static bool net_sh_process(struct net_context *c,
 105                            struct rpc_sh_ctx *ctx,
 106                            int argc, const char **argv)
 107 {
 108         struct rpc_sh_cmd *cmd;
 109         struct rpc_sh_ctx *new_ctx;
 110         NTSTATUS status;
 111
 112         if (argc == 0) {
 113                 return true;
 114         }
 115
 116         if (ctx == this_ctx) {
 117
 118                 /* We've been called from the cmd line */
 119                 if (strequal(argv[0], "..") &&
 120                     (this_ctx->parent != NULL)) {
 121                         new_ctx = this_ctx->parent;
 122                         TALLOC_FREE(this_ctx);
 123                         this_ctx = new_ctx;
 124                         return true;
 125                 }
 126         }
 127
 128         if (strequal(argv[0], "exit") ||
 129             strequal(argv[0], "quit") ||
 130             strequal(argv[0], "q")) {
 131                 return false;
 132         }
 133
 134         if (strequal(argv[0], "help") || strequal(argv[0], "?")) {
 135                 for (cmd = ctx->cmds; cmd->name != NULL; cmd++) {
 136                         if (ctx != this_ctx) {
 137                                 d_printf("%s ", ctx->whoami);
 138                         }
 139                         d_printf("%-15s %s\n", cmd->name, cmd->help);
 140                 }
 141                 return true;
 142         }
 143
 144         for (cmd = ctx->cmds; cmd->name != NULL; cmd++) {
 145                 if (strequal(cmd->name, argv[0])) {
 146                         break;
 147                 }
 148         }
 149
 150         if (cmd->name == NULL) {
 151                 /* None found */
 152                 d_fprintf(stderr,_( "%s: unknown cmd\n"), argv[0]);
 153                 return true;
 154         }
 155
 156         new_ctx = TALLOC_P(ctx, struct rpc_sh_ctx);
 157         if (new_ctx == NULL) {
 158                 d_fprintf(stderr, _("talloc failed\n"));
 159                 return false;
 160         }
 161         new_ctx->cli = ctx->cli;
 162         new_ctx->whoami = talloc_asprintf(new_ctx, "%s %s",
 163                                           ctx->whoami, cmd->name);
 164         new_ctx->thiscmd = talloc_strdup(new_ctx, cmd->name);
 165
 166         if (cmd->sub != NULL) {
 167                 new_ctx->cmds = cmd->sub(c, new_ctx, ctx);
 168         } else {
 169                 new_ctx->cmds = NULL;
 170         }
 171
 172         new_ctx->parent = ctx;
 173         new_ctx->domain_name = ctx->domain_name;
 174         new_ctx->domain_sid = ctx->domain_sid;
 175
 176         argc -= 1;
 177         argv += 1;
 178
 179         if (cmd->sub != NULL) {
 180                 if (argc == 0) {
 181                         this_ctx = new_ctx;
 182                         return true;
 183                 }
 184                 return net_sh_process(c, new_ctx, argc, argv);
 185         }
 186
 187         status = net_sh_run(c, new_ctx, cmd, argc, argv);
 188
 189         if (!NT_STATUS_IS_OK(status)) {
 190                 d_fprintf(stderr, _("%s failed: %s\n"), new_ctx->whoami,
 191                           nt_errstr(status));
 192         }
 193
 194         return true;
 195 }
 196
 197 static struct rpc_sh_cmd sh_cmds[6] = {
 198
 199         { "info", NULL, &ndr_table_samr.syntax_id, rpc_sh_info,
 200           N_("Print information about the domain connected to") },
 201
 202         { "rights", net_rpc_rights_cmds, 0, NULL,
 203           N_("List/Grant/Revoke user rights") },
 204
 205         { "share", net_rpc_share_cmds, 0, NULL,
 206           N_("List/Add/Remove etc shares") },
 207
 208         { "user", net_rpc_user_cmds, 0, NULL,
 209           N_("List/Add/Remove user info") },
 210
 211         { "account", net_rpc_acct_cmds, 0, NULL,
 212           N_("Show/Change account policy settings") },
 213
 214         { NULL, NULL, 0, NULL, NULL }
 215 };
 216
 217 int net_rpc_shell(struct net_context *c, int argc, const char **argv)
 218 {
 219         NTSTATUS status;
 220         struct rpc_sh_ctx *ctx;
 221
 222         if (argc != 0 || c->display_usage) {
 223                 d_printf("%s\nnet rpc shell\n", _("Usage:"));
 224                 return -1;
 225         }
 226
 227         if (libnetapi_net_init(&c->netapi_ctx) != 0) {
 228                 return -1;
 229         }
 230         libnetapi_set_username(c->netapi_ctx, c->opt_user_name);
 231         libnetapi_set_password(c->netapi_ctx, c->opt_password);
 232         if (c->opt_kerberos) {
 233                 libnetapi_set_use_kerberos(c->netapi_ctx);
 234         }
 235
 236         ctx = TALLOC_P(NULL, struct rpc_sh_ctx);
 237         if (ctx == NULL) {
 238                 d_fprintf(stderr, _("talloc failed\n"));
 239                 return -1;
 240         }
 241
 242         status = net_make_ipc_connection(c, 0, &(ctx->cli));
 243         if (!NT_STATUS_IS_OK(status)) {
 244                 d_fprintf(stderr, _("Could not open connection: %s\n"),
 245                           nt_errstr(status));
 246                 return -1;
 247         }
 248
 249         ctx->cmds = sh_cmds;
 250         ctx->whoami = "net rpc";
 251         ctx->parent = NULL;
 252
 253         status = net_get_remote_domain_sid(ctx->cli, ctx, &ctx->domain_sid,
 254                                            &ctx->domain_name);
 255         if (!NT_STATUS_IS_OK(status)) {
 256                 return -1;
 257         }
 258
 259         d_printf(_("Talking to domain %s (%s)\n"), ctx->domain_name,
 260                  sid_string_tos(ctx->domain_sid));
 261
 262         this_ctx = ctx;
 263
 264         while(1) {
 265                 char *prompt = NULL;
 266                 char *line = NULL;
 267                 int ret;
 268
 269                 if (asprintf(&prompt, "%s> ", this_ctx->whoami) < 0) {
 270                         break;
 271                 }
 272
 273                 line = smb_readline(prompt, NULL, completion_fn);
 274                 SAFE_FREE(prompt);
 275
 276                 if (line == NULL) {
 277                         break;
 278                 }
 279
 280                 ret = poptParseArgvString(line, &argc, &argv);
 281                 if (ret == POPT_ERROR_NOARG) {
 282                         SAFE_FREE(line);
 283                         continue;
 284                 }
 285                 if (ret != 0) {
 286                         d_fprintf(stderr, _("cmdline invalid: %s\n"),
 287                                   poptStrerror(ret));
 288                         SAFE_FREE(line);
 289                         return false;
 290                 }
 291
 292                 if ((line[0] != '\n') &&
 293                     (!net_sh_process(c, this_ctx, argc, argv))) {
 294                         SAFE_FREE(line);
 295                         break;
 296                 }
 297                 SAFE_FREE(line);
 298         }
 299
 300         cli_shutdown(ctx->cli);
 301
 302         TALLOC_FREE(ctx);
 303
 304         return 0;
 305 }