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