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