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 #include "libcli/security/dom_sid.h"
  31
  32 static NTSTATUS rpc_sh_info(struct net_context *c,
  33                             TALLOC_CTX *mem_ctx, struct rpc_sh_ctx *ctx,
  34                             struct rpc_pipe_client *pipe_hnd,
  35                             int argc, const char **argv)
  36 {
  37         return rpc_info_internals(c, ctx->domain_sid, ctx->domain_name,
  38                                   ctx->cli, pipe_hnd, mem_ctx,
  39                                   argc, argv);
  40 }
  41
  42 static struct rpc_sh_ctx *this_ctx;
  43
  44 static char **completion_fn(const char *text, int start, int end)
  45 {
  46         char **cmds = NULL;
  47         int n_cmds = 0;
  48         struct rpc_sh_cmd *c;
  49
  50         if (start != 0) {
  51                 return NULL;
  52         }
  53
  54         ADD_TO_ARRAY(NULL, char *, SMB_STRDUP(text), &cmds, &n_cmds);
  55
  56         for (c = this_ctx->cmds; c->name != NULL; c++) {
  57                 bool match = (strncmp(text, c->name, strlen(text)) == 0);
  58
  59                 if (match) {
  60                         ADD_TO_ARRAY(NULL, char *, SMB_STRDUP(c->name),
  61                                      &cmds, &n_cmds);
  62                 }
  63         }
  64
  65         if (n_cmds == 2) {
  66                 SAFE_FREE(cmds[0]);
  67                 cmds[0] = cmds[1];
  68                 n_cmds -= 1;
  69         }
  70
  71         ADD_TO_ARRAY(NULL, char *, NULL, &cmds, &n_cmds);
  72         return cmds;
  73 }
  74
  75 static NTSTATUS net_sh_run(struct net_context *c,
  76                            struct rpc_sh_ctx *ctx, struct rpc_sh_cmd *cmd,
  77                            int argc, const char **argv)
  78 {
  79         TALLOC_CTX *mem_ctx;
  80         struct rpc_pipe_client *pipe_hnd = NULL;
  81         NTSTATUS status;
  82
  83         mem_ctx = talloc_new(ctx);
  84         if (mem_ctx == NULL) {
  85                 d_fprintf(stderr, _("talloc_new failed\n"));
  86                 return NT_STATUS_NO_MEMORY;
  87         }
  88
  89         status = cli_rpc_pipe_open_noauth(ctx->cli, cmd->table,
  90                                           &pipe_hnd);
  91         if (!NT_STATUS_IS_OK(status)) {
  92                 d_fprintf(stderr, _("Could not open pipe: %s\n"),
  93                           nt_errstr(status));
  94                 return status;
  95         }
  96
  97         status = cmd->fn(c, mem_ctx, ctx, pipe_hnd, argc, argv);
  98
  99         TALLOC_FREE(pipe_hnd);
 100
 101         talloc_destroy(mem_ctx);
 102
 103         return status;
 104 }
 105
 106 static bool net_sh_process(struct net_context *c,
 107                            struct rpc_sh_ctx *ctx,
 108                            int argc, const char **argv)
 109 {
 110         struct rpc_sh_cmd *cmd;
 111         struct rpc_sh_ctx *new_ctx;
 112         NTSTATUS status;
 113
 114         if (argc == 0) {
 115                 return true;
 116         }
 117
 118         if (ctx == this_ctx) {
 119
 120                 /* We've been called from the cmd line */
 121                 if (strequal(argv[0], "..") &&
 122                     (this_ctx->parent != NULL)) {
 123                         new_ctx = this_ctx->parent;
 124                         TALLOC_FREE(this_ctx);
 125                         this_ctx = new_ctx;
 126                         return true;
 127                 }
 128         }
 129
 130         if (strequal(argv[0], "exit") ||
 131             strequal(argv[0], "quit") ||
 132             strequal(argv[0], "q")) {
 133                 return false;
 134         }
 135
 136         if (strequal(argv[0], "help") || strequal(argv[0], "?")) {
 137                 for (cmd = ctx->cmds; cmd->name != NULL; cmd++) {
 138                         if (ctx != this_ctx) {
 139                                 d_printf("%s ", ctx->whoami);
 140                         }
 141                         d_printf("%-15s %s\n", cmd->name, cmd->help);
 142                 }
 143                 return true;
 144         }
 145
 146         for (cmd = ctx->cmds; cmd->name != NULL; cmd++) {
 147                 if (strequal(cmd->name, argv[0])) {
 148                         break;
 149                 }
 150         }
 151
 152         if (cmd->name == NULL) {
 153                 /* None found */
 154                 d_fprintf(stderr,_( "%s: unknown cmd\n"), argv[0]);
 155                 return true;
 156         }
 157
 158         new_ctx = talloc(ctx, struct rpc_sh_ctx);
 159         if (new_ctx == NULL) {
 160                 d_fprintf(stderr, _("talloc failed\n"));
 161                 return false;
 162         }
 163         new_ctx->cli = ctx->cli;
 164         new_ctx->whoami = talloc_asprintf(new_ctx, "%s %s",
 165                                           ctx->whoami, cmd->name);
 166         new_ctx->thiscmd = talloc_strdup(new_ctx, cmd->name);
 167
 168         if (cmd->sub != NULL) {
 169                 new_ctx->cmds = cmd->sub(c, new_ctx, ctx);
 170         } else {
 171                 new_ctx->cmds = NULL;
 172         }
 173
 174         new_ctx->parent = ctx;
 175         new_ctx->domain_name = ctx->domain_name;
 176         new_ctx->domain_sid = ctx->domain_sid;
 177
 178         argc -= 1;
 179         argv += 1;
 180
 181         if (cmd->sub != NULL) {
 182                 if (argc == 0) {
 183                         this_ctx = new_ctx;
 184                         return true;
 185                 }
 186                 return net_sh_process(c, new_ctx, argc, argv);
 187         }
 188
 189         status = net_sh_run(c, new_ctx, cmd, argc, argv);
 190
 191         if (!NT_STATUS_IS_OK(status)) {
 192                 d_fprintf(stderr, _("%s failed: %s\n"), new_ctx->whoami,
 193                           nt_errstr(status));
 194         }
 195
 196         return true;
 197 }
 198
 199 static struct rpc_sh_cmd sh_cmds[6] = {
 200
 201         { "info", NULL, &ndr_table_samr, rpc_sh_info,
 202           N_("Print information about the domain connected to") },
 203
 204         { "rights", net_rpc_rights_cmds, 0, NULL,
 205           N_("List/Grant/Revoke user rights") },
 206
 207         { "share", net_rpc_share_cmds, 0, NULL,
 208           N_("List/Add/Remove etc shares") },
 209
 210         { "user", net_rpc_user_cmds, 0, NULL,
 211           N_("List/Add/Remove user info") },
 212
 213         { "account", net_rpc_acct_cmds, 0, NULL,
 214           N_("Show/Change account policy settings") },
 215
 216         { NULL, NULL, 0, NULL, NULL }
 217 };
 218
 219 int net_rpc_shell(struct net_context *c, int argc, const char **argv)
 220 {
 221         NTSTATUS status;
 222         struct rpc_sh_ctx *ctx;
 223         struct dom_sid_buf buf;
 224
 225         if (argc != 0 || c->display_usage) {
 226                 d_printf("%s\nnet rpc shell\n", _("Usage:"));
 227                 return -1;
 228         }
 229
 230         if (libnetapi_net_init(&c->netapi_ctx) != 0) {
 231                 return -1;
 232         }
 233         libnetapi_set_username(c->netapi_ctx, c->opt_user_name);
 234         libnetapi_set_password(c->netapi_ctx, c->opt_password);
 235         if (c->opt_kerberos) {
 236                 libnetapi_set_use_kerberos(c->netapi_ctx);
 237         }
 238
 239         ctx = talloc(NULL, struct rpc_sh_ctx);
 240         if (ctx == NULL) {
 241                 d_fprintf(stderr, _("talloc failed\n"));
 242                 return -1;
 243         }
 244
 245         status = net_make_ipc_connection(c, 0, &(ctx->cli));
 246         if (!NT_STATUS_IS_OK(status)) {
 247                 d_fprintf(stderr, _("Could not open connection: %s\n"),
 248                           nt_errstr(status));
 249                 return -1;
 250         }
 251
 252         ctx->cmds = sh_cmds;
 253         ctx->whoami = "net rpc";
 254         ctx->parent = NULL;
 255
 256         status = net_get_remote_domain_sid(ctx->cli, ctx, &ctx->domain_sid,
 257                                            &ctx->domain_name);
 258         if (!NT_STATUS_IS_OK(status)) {
 259                 return -1;
 260         }
 261
 262         d_printf(_("Talking to domain %s (%s)\n"), ctx->domain_name,
 263                  dom_sid_str_buf(ctx->domain_sid, &buf));
 264
 265         this_ctx = ctx;
 266
 267         while(1) {
 268                 char *prompt = NULL;
 269                 char *line = NULL;
 270                 int ret;
 271
 272                 if (asprintf(&prompt, "%s> ", this_ctx->whoami) < 0) {
 273                         break;
 274                 }
 275
 276                 line = smb_readline(prompt, NULL, completion_fn);
 277                 SAFE_FREE(prompt);
 278
 279                 if (line == NULL) {
 280                         break;
 281                 }
 282
 283                 ret = poptParseArgvString(line, &argc, &argv);
 284                 if (ret == POPT_ERROR_NOARG) {
 285                         SAFE_FREE(line);
 286                         continue;
 287                 }
 288                 if (ret != 0) {
 289                         d_fprintf(stderr, _("cmdline invalid: %s\n"),
 290                                   poptStrerror(ret));
 291                         SAFE_FREE(line);
 292                         return false;
 293                 }
 294
 295                 if ((line[0] != '\n') &&
 296                     (!net_sh_process(c, this_ctx, argc, argv))) {
 297                         SAFE_FREE(line);
 298                         break;
 299                 }
 300                 SAFE_FREE(line);
 301         }
 302
 303         cli_shutdown(ctx->cli);
 304
 305         TALLOC_FREE(ctx);
 306
 307         return 0;
 308 }