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