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