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 2 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, write to the Free Software
  18  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  */
  20
  21
  22 #include "includes.h"
  23 #include "utils/net.h"
  24
  25 static struct rpc_sh_cmd sh_cmds[];
  26
  27 static NTSTATUS rpc_sh_info(TALLOC_CTX *mem_ctx, struct rpc_sh_ctx *ctx,
  28                             struct rpc_pipe_client *pipe_hnd,
  29                             int argc, const char **argv)
  30 {
  31         return rpc_info_internals(ctx->domain_sid, ctx->domain_name,
  32                                   ctx->cli, pipe_hnd, mem_ctx,
  33                                   argc, argv);
  34 }
  35
  36 static struct rpc_sh_ctx *this_ctx;
  37
  38 static char **completion_fn(const char *text, int start, int end)
  39 {
  40         char **cmds = NULL;
  41         int n_cmds = 0;
  42         struct rpc_sh_cmd *c;
  43
  44         if (start != 0) {
  45                 return NULL;
  46         }
  47
  48         ADD_TO_ARRAY(NULL, char *, SMB_STRDUP(text), &cmds, &n_cmds);
  49
  50         for (c = this_ctx->cmds; c->name != NULL; c++) {
  51                 BOOL match = (strncmp(text, c->name, strlen(text)) == 0);
  52
  53                 if (match) {
  54                         ADD_TO_ARRAY(NULL, char *, SMB_STRDUP(c->name),
  55                                      &cmds, &n_cmds);
  56                 }
  57         }
  58
  59         if (n_cmds == 2) {
  60                 SAFE_FREE(cmds[0]);
  61                 cmds[0] = cmds[1];
  62                 n_cmds -= 1;
  63         }
  64
  65         ADD_TO_ARRAY(NULL, char *, NULL, &cmds, &n_cmds);
  66         return cmds;
  67 }
  68
  69 static NTSTATUS net_sh_run(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;
  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         pipe_hnd = cli_rpc_pipe_open_noauth(ctx->cli, cmd->pipe_idx, &status);
  83         if (pipe_hnd == NULL) {
  84                 d_fprintf(stderr, "Could not open pipe: %s\n",
  85                           nt_errstr(status));
  86                 return status;
  87         }
  88
  89         status = cmd->fn(mem_ctx, ctx, pipe_hnd, argc, argv);
  90
  91         cli_rpc_pipe_close(pipe_hnd);
  92
  93         talloc_destroy(mem_ctx);
  94
  95         return status;
  96 }
  97
  98 static BOOL net_sh_process(struct rpc_sh_ctx *ctx,
  99                            int argc, const char **argv)
 100 {
 101         struct rpc_sh_cmd *c;
 102         struct rpc_sh_ctx *new_ctx;
 103         NTSTATUS status;
 104
 105         if (argc == 0) {
 106                 return True;
 107         }
 108
 109         if (ctx == this_ctx) {
 110
 111                 /* We've been called from the cmd line */
 112                 if (strequal(argv[0], "..") &&
 113                     (this_ctx->parent != NULL)) {
 114                         new_ctx = this_ctx->parent;
 115                         talloc_free(this_ctx);
 116                         this_ctx = new_ctx;
 117                         return True;
 118                 }
 119         }
 120
 121         if (strequal(argv[0], "help") || strequal(argv[0], "?")) {
 122                 for (c = ctx->cmds; c->name != NULL; c++) {
 123                         if (ctx != this_ctx) {
 124                                 d_printf("%s ", ctx->whoami);
 125                         }
 126                         d_printf("%-15s %s\n", c->name, c->help);
 127                 }
 128                 return True;
 129         }
 130
 131         for (c = ctx->cmds; c->name != NULL; c++) {
 132                 if (strequal(c->name, argv[0])) {
 133                         break;
 134                 }
 135         }
 136
 137         if (c->name == NULL) {
 138                 /* None found */
 139                 d_fprintf(stderr, "%s: unknown cmd\n", argv[0]);
 140                 return True;
 141         }
 142
 143         new_ctx = TALLOC_P(ctx, struct rpc_sh_ctx);
 144         if (new_ctx == NULL) {
 145                 d_fprintf(stderr, "talloc failed\n");
 146                 return False;
 147         }
 148         new_ctx->cli = ctx->cli;
 149         new_ctx->whoami = talloc_asprintf(new_ctx, "%s %s",
 150                                           ctx->whoami, c->name);
 151         new_ctx->thiscmd = talloc_strdup(new_ctx, c->name);
 152
 153         if (c->sub != NULL) {
 154                 new_ctx->cmds = c->sub(new_ctx, ctx);
 155         } else {
 156                 new_ctx->cmds = NULL;
 157         }
 158
 159         new_ctx->parent = ctx;
 160         new_ctx->domain_name = ctx->domain_name;
 161         new_ctx->domain_sid = ctx->domain_sid;
 162
 163         argc -= 1;
 164         argv += 1;
 165
 166         if (c->sub != NULL) {
 167                 if (argc == 0) {
 168                         this_ctx = new_ctx;
 169                         return True;
 170                 }
 171                 return net_sh_process(new_ctx, argc, argv);
 172         }
 173
 174         status = net_sh_run(new_ctx, c, argc, argv);
 175
 176         if (!NT_STATUS_IS_OK(status)) {
 177                 d_fprintf(stderr, "%s failed: %s\n", new_ctx->whoami,
 178                           nt_errstr(status));
 179         }
 180
 181         return True;
 182 }
 183
 184 int net_rpc_shell(int argc, const char **argv)
 185 {
 186         NTSTATUS status;
 187         struct rpc_sh_ctx *ctx;
 188
 189         if (argc != 0) {
 190                 d_fprintf(stderr, "usage: net rpc shell\n");
 191                 return -1;
 192         }
 193
 194         ctx = TALLOC_P(NULL, struct rpc_sh_ctx);
 195         if (ctx == NULL) {
 196                 d_fprintf(stderr, "talloc failed\n");
 197                 return -1;
 198         }
 199
 200         ctx->cli = net_make_ipc_connection(0);
 201         if (ctx->cli == NULL) {
 202                 d_fprintf(stderr, "Could not open connection\n");
 203                 return -1;
 204         }
 205
 206         ctx->cmds = sh_cmds;
 207         ctx->whoami = "net rpc";
 208         ctx->parent = NULL;
 209
 210         status = net_get_remote_domain_sid(ctx->cli, ctx, &ctx->domain_sid,
 211                                            &ctx->domain_name);
 212         if (!NT_STATUS_IS_OK(status)) {
 213                 return -1;
 214         }
 215
 216         d_printf("Talking to domain %s (%s)\n", ctx->domain_name,
 217                  sid_string_static(ctx->domain_sid));
 218
 219         this_ctx = ctx;
 220
 221         while(1) {
 222                 char *prompt;
 223                 char *line;
 224                 int ret;
 225
 226                 asprintf(&prompt, "%s> ", this_ctx->whoami);
 227
 228                 line = smb_readline(prompt, NULL, completion_fn);
 229                 SAFE_FREE(prompt);
 230
 231                 if (line == NULL) {
 232                         break;
 233                 }
 234
 235                 ret = poptParseArgvString(line, &argc, &argv);
 236                 if (ret == POPT_ERROR_NOARG) {
 237                         continue;
 238                 }
 239                 if (ret != 0) {
 240                         d_fprintf(stderr, "cmdline invalid: %s\n",
 241                                   poptStrerror(ret));
 242                         return False;
 243                 }
 244
 245                 if ((line[0] != '\n') &&
 246                     (!net_sh_process(this_ctx, argc, argv))) {
 247                         break;
 248                 }
 249         }
 250
 251         cli_shutdown(ctx->cli);
 252
 253         talloc_free(ctx);
 254
 255         return 0;
 256 }
 257
 258 static struct rpc_sh_cmd sh_cmds[6] = {
 259
 260         { "info", NULL, PI_SAMR, rpc_sh_info,
 261           "Print information about the domain connected to" },
 262
 263         { "rights", net_rpc_rights_cmds, 0, NULL,
 264           "List/Grant/Revoke user rights" },
 265
 266         { "share", net_rpc_share_cmds, 0, NULL,
 267           "List/Add/Remove etc shares" },
 268
 269         { "user", net_rpc_user_cmds, 0, NULL,
 270           "List/Add/Remove user info" },
 271
 272         { "account", net_rpc_acct_cmds, 0, NULL,
 273           "Show/Change account policy settings" },
 274
 275         { NULL, NULL, 0, NULL, NULL }
 276 };