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 #include "libsmb/libsmb.h"
  30
  31 static NTSTATUS rpc_sh_info(struct net_context *c,
  32                             TALLOC_CTX *mem_ctx, struct rpc_sh_ctx *ctx,
  33                             struct rpc_pipe_client *pipe_hnd,
  34                             int argc, const char **argv)
  35 {
  36         return rpc_info_internals(c, ctx->domain_sid, ctx->domain_name,
  37                                   ctx->cli, pipe_hnd, mem_ctx,
  38                                   argc, argv);
  39 }
  40
  41 static struct rpc_sh_ctx *this_ctx;
  42
  43 static char **completion_fn(const char *text, int start, int end)
  44 {
  45         char **cmds = NULL;
  46         int n_cmds = 0;
  47         struct rpc_sh_cmd *c;
  48
  49         if (start != 0) {
  50                 return NULL;
  51         }
  52
  53         ADD_TO_ARRAY(NULL, char *, SMB_STRDUP(text), &cmds, &n_cmds);
  54
  55         for (c = this_ctx->cmds; c->name != NULL; c++) {
  56                 bool match = (strncmp(text, c->name, strlen(text)) == 0);
  57
  58                 if (match) {
  59                         ADD_TO_ARRAY(NULL, char *, SMB_STRDUP(c->name),
  60                                      &cmds, &n_cmds);
  61                 }
  62         }
  63
  64         if (n_cmds == 2) {
  65                 SAFE_FREE(cmds[0]);
  66                 cmds[0] = cmds[1];
  67                 n_cmds -= 1;
  68         }
  69
  70         ADD_TO_ARRAY(NULL, char *, NULL, &cmds, &n_cmds);
  71         return cmds;
  72 }
  73
  74 static NTSTATUS net_sh_run(struct net_context *c,
  75                            struct rpc_sh_ctx *ctx, struct rpc_sh_cmd *cmd,
  76                            int argc, const char **argv)
  77 {
  78         TALLOC_CTX *mem_ctx;
  79         struct rpc_pipe_client *pipe_hnd = NULL;
  80         NTSTATUS status;
  81
  82         mem_ctx = talloc_new(ctx);
  83         if (mem_ctx == NULL) {
  84                 d_fprintf(stderr, _("talloc_new failed\n"));
  85                 return NT_STATUS_NO_MEMORY;
  86         }
  87
  88         status = cli_rpc_pipe_open_noauth(ctx->cli, &cmd->table->syntax_id,
  89                                           &pipe_hnd);
  90         if (!NT_STATUS_IS_OK(status)) {
  91                 d_fprintf(stderr, _("Could not open pipe: %s\n"),
  92                           nt_errstr(status));
  93                 return status;
  94         }
  95
  96         status = cmd->fn(c, mem_ctx, ctx, pipe_hnd, argc, argv);
  97
  98         TALLOC_FREE(pipe_hnd);
  99
 100         talloc_destroy(mem_ctx);
 101
 102         return status;
 103 }
 104
 105 static bool net_sh_process(struct net_context *c,
 106                            struct rpc_sh_ctx *ctx,
 107                            int argc, const char **argv)
 108 {
 109         struct rpc_sh_cmd *cmd;
 110         struct rpc_sh_ctx *new_ctx;
 111         NTSTATUS status;
 112
 113         if (argc == 0) {
 114                 return true;
 115         }
 116
 117         if (ctx == this_ctx) {
 118
 119                 /* We've been called from the cmd line */
 120                 if (strequal(argv[0], "..") &&
 121                     (this_ctx->parent != NULL)) {
 122                         new_ctx = this_ctx->parent;
 123                         TALLOC_FREE(this_ctx);
 124                         this_ctx = new_ctx;
 125                         return true;
 126                 }
 127         }
 128
 129         if (strequal(argv[0], "exit") ||
 130             strequal(argv[0], "quit") ||
 131             strequal(argv[0], "q")) {
 132                 return false;
 133         }
 134
 135         if (strequal(argv[0], "help") || strequal(argv[0], "?")) {
 136                 for (cmd = ctx->cmds; cmd->name != NULL; cmd++) {
 137                         if (ctx != this_ctx) {
 138                                 d_printf("%s ", ctx->whoami);
 139                         }
 140                         d_printf("%-15s %s\n", cmd->name, cmd->help);
 141                 }
 142                 return true;
 143         }
 144
 145         for (cmd = ctx->cmds; cmd->name != NULL; cmd++) {
 146                 if (strequal(cmd->name, argv[0])) {
 147                         break;
 148                 }
 149         }
 150
 151         if (cmd->name == NULL) {
 152                 /* None found */
 153                 d_fprintf(stderr,_( "%s: unknown cmd\n"), argv[0]);
 154                 return true;
 155         }
 156
 157         new_ctx = talloc(ctx, struct rpc_sh_ctx);
 158         if (new_ctx == NULL) {
 159                 d_fprintf(stderr, _("talloc failed\n"));
 160                 return false;
 161         }
 162         new_ctx->cli = ctx->cli;
 163         new_ctx->whoami = talloc_asprintf(new_ctx, "%s %s",
 164                                           ctx->whoami, cmd->name);
 165         new_ctx->thiscmd = talloc_strdup(new_ctx, cmd->name);
 166
 167         if (cmd->sub != NULL) {
 168                 new_ctx->cmds = cmd->sub(c, new_ctx, ctx);
 169         } else {
 170                 new_ctx->cmds = NULL;
 171         }
 172
 173         new_ctx->parent = ctx;
 174         new_ctx->domain_name = ctx->domain_name;
 175         new_ctx->domain_sid = ctx->domain_sid;
 176
 177         argc -= 1;
 178         argv += 1;
 179
 180         if (cmd->sub != NULL) {
 181                 if (argc == 0) {
 182                         this_ctx = new_ctx;
 183                         return true;
 184                 }
 185                 return net_sh_process(c, new_ctx, argc, argv);
 186         }
 187
 188         status = net_sh_run(c, new_ctx, cmd, argc, argv);
 189
 190         if (!NT_STATUS_IS_OK(status)) {
 191                 d_fprintf(stderr, _("%s failed: %s\n"), new_ctx->whoami,
 192                           nt_errstr(status));
 193         }
 194
 195         return true;
 196 }
 197
 198 static struct rpc_sh_cmd sh_cmds[6] = {
 199
 200         { "info", NULL, &ndr_table_samr, rpc_sh_info,
 201           N_("Print information about the domain connected to") },
 202
 203         { "rights", net_rpc_rights_cmds, 0, NULL,
 204           N_("List/Grant/Revoke user rights") },
 205
 206         { "share", net_rpc_share_cmds, 0, NULL,
 207           N_("List/Add/Remove etc shares") },
 208
 209         { "user", net_rpc_user_cmds, 0, NULL,
 210           N_("List/Add/Remove user info") },
 211
 212         { "account", net_rpc_acct_cmds, 0, NULL,
 213           N_("Show/Change account policy settings") },
 214
 215         { NULL, NULL, 0, NULL, NULL }
 216 };
 217
 218 int net_rpc_shell(struct net_context *c, int argc, const char **argv)
 219 {
 220         NTSTATUS status;
 221         struct rpc_sh_ctx *ctx;
 222
 223         if (argc != 0 || c->display_usage) {
 224                 d_printf("%s\nnet rpc shell\n", _("Usage:"));
 225                 return -1;
 226         }
 227
 228         if (libnetapi_net_init(&c->netapi_ctx) != 0) {
 229                 return -1;
 230         }
 231         libnetapi_set_username(c->netapi_ctx, c->opt_user_name);
 232         libnetapi_set_password(c->netapi_ctx, c->opt_password);
 233         if (c->opt_kerberos) {
 234                 libnetapi_set_use_kerberos(c->netapi_ctx);
 235         }
 236
 237         ctx = talloc(NULL, struct rpc_sh_ctx);
 238         if (ctx == NULL) {
 239                 d_fprintf(stderr, _("talloc failed\n"));
 240                 return -1;
 241         }
 242
 243         status = net_make_ipc_connection(c, 0, &(ctx->cli));
 244         if (!NT_STATUS_IS_OK(status)) {
 245                 d_fprintf(stderr, _("Could not open connection: %s\n"),
 246                           nt_errstr(status));
 247                 return -1;
 248         }
 249
 250         ctx->cmds = sh_cmds;
 251         ctx->whoami = "net rpc";
 252         ctx->parent = NULL;
 253
 254         status = net_get_remote_domain_sid(ctx->cli, ctx, &ctx->domain_sid,
 255                                            &ctx->domain_name);
 256         if (!NT_STATUS_IS_OK(status)) {
 257                 return -1;
 258         }
 259
 260         d_printf(_("Talking to domain %s (%s)\n"), ctx->domain_name,
 261                  sid_string_tos(ctx->domain_sid));
 262
 263         this_ctx = ctx;
 264
 265         while(1) {
 266                 char *prompt = NULL;
 267                 char *line = NULL;
 268                 int ret;
 269
 270                 if (asprintf(&prompt, "%s> ", this_ctx->whoami) < 0) {
 271                         break;
 272                 }
 273
 274                 line = smb_readline(prompt, NULL, completion_fn);
 275                 SAFE_FREE(prompt);
 276
 277                 if (line == NULL) {
 278                         break;
 279                 }
 280
 281                 ret = poptParseArgvString(line, &argc, &argv);
 282                 if (ret == POPT_ERROR_NOARG) {
 283                         SAFE_FREE(line);
 284                         continue;
 285                 }
 286                 if (ret != 0) {
 287                         d_fprintf(stderr, _("cmdline invalid: %s\n"),
 288                                   poptStrerror(ret));
 289                         SAFE_FREE(line);
 290                         return false;
 291                 }
 292
 293                 if ((line[0] != '\n') &&
 294                     (!net_sh_process(c, this_ctx, argc, argv))) {
 295                         SAFE_FREE(line);
 296                         break;
 297                 }
 298                 SAFE_FREE(line);
 299         }
 300
 301         cli_shutdown(ctx->cli);
 302
 303         TALLOC_FREE(ctx);
 304
 305         return 0;
 306 }