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 "utils/net.h"
  23 #include "rpc_client/cli_pipe.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 #include "libsmb/libsmb.h"
  29 #include "libcli/security/dom_sid.h"
  30
  31 #include <popt.h>
  32
  33 static NTSTATUS rpc_sh_info(struct net_context *c,
  34                             TALLOC_CTX *mem_ctx, struct rpc_sh_ctx *ctx,
  35                             struct rpc_pipe_client *pipe_hnd,
  36                             int argc, const char **argv)
  37 {
  38         return rpc_info_internals(c, ctx->domain_sid, ctx->domain_name,
  39                                   ctx->cli, pipe_hnd, mem_ctx,
  40                                   argc, argv);
  41 }
  42
  43 static struct rpc_sh_ctx *this_ctx;
  44
  45 static char **completion_fn(const char *text, int start, int end)
  46 {
  47         char **cmds = NULL;
  48         int n_cmds = 0;
  49         struct rpc_sh_cmd *c;
  50
  51         if (start != 0) {
  52                 return NULL;
  53         }
  54
  55         ADD_TO_MALLOC_ARRAY(char *, SMB_STRDUP(text), &cmds, &n_cmds);
  56
  57         for (c = this_ctx->cmds; c->name != NULL; c++) {
  58                 bool match = (strncmp(text, c->name, strlen(text)) == 0);
  59
  60                 if (match) {
  61                         ADD_TO_MALLOC_ARRAY(char *, SMB_STRDUP(c->name),
  62                                             &cmds, &n_cmds);
  63                 }
  64         }
  65
  66         if (n_cmds == 2) {
  67                 SAFE_FREE(cmds[0]);
  68                 cmds[0] = cmds[1];
  69                 n_cmds -= 1;
  70         }
  71
  72         ADD_TO_MALLOC_ARRAY(char *, NULL, &cmds, &n_cmds);
  73         return cmds;
  74 }
  75
  76 static NTSTATUS net_sh_run(struct net_context *c,
  77                            struct rpc_sh_ctx *ctx, struct rpc_sh_cmd *cmd,
  78                            int argc, const char **argv)
  79 {
  80         TALLOC_CTX *mem_ctx;
  81         struct rpc_pipe_client *pipe_hnd = NULL;
  82         NTSTATUS status;
  83
  84         mem_ctx = talloc_new(ctx);
  85         if (mem_ctx == NULL) {
  86                 d_fprintf(stderr, _("talloc_new failed\n"));
  87                 return NT_STATUS_NO_MEMORY;
  88         }
  89
  90         status = cli_rpc_pipe_open_noauth(ctx->cli, cmd->table,
  91                                           &pipe_hnd);
  92         if (!NT_STATUS_IS_OK(status)) {
  93                 d_fprintf(stderr, _("Could not open pipe: %s\n"),
  94                           nt_errstr(status));
  95                 return status;
  96         }
  97
  98         status = cmd->fn(c, mem_ctx, ctx, pipe_hnd, argc, argv);
  99
 100         TALLOC_FREE(pipe_hnd);
 101
 102         talloc_destroy(mem_ctx);
 103
 104         return status;
 105 }
 106
 107 static bool net_sh_process(struct net_context *c,
 108                            struct rpc_sh_ctx *ctx,
 109                            int argc, const char **argv)
 110 {
 111         struct rpc_sh_cmd *cmd;
 112         struct rpc_sh_ctx *new_ctx;
 113         NTSTATUS status;
 114
 115         if (argc == 0) {
 116                 return true;
 117         }
 118
 119         if (ctx == this_ctx) {
 120
 121                 /* We've been called from the cmd line */
 122                 if (strequal(argv[0], "..") &&
 123                     (this_ctx->parent != NULL)) {
 124                         new_ctx = this_ctx->parent;
 125                         TALLOC_FREE(this_ctx);
 126                         this_ctx = new_ctx;
 127                         return true;
 128                 }
 129         }
 130
 131         if (strequal(argv[0], "exit") ||
 132             strequal(argv[0], "quit") ||
 133             strequal(argv[0], "q")) {
 134                 return false;
 135         }
 136
 137         if (strequal(argv[0], "help") || strequal(argv[0], "?")) {
 138                 for (cmd = ctx->cmds; cmd->name != NULL; cmd++) {
 139                         if (ctx != this_ctx) {
 140                                 d_printf("%s ", ctx->whoami);
 141                         }
 142                         d_printf("%-15s %s\n", cmd->name, cmd->help);
 143                 }
 144                 return true;
 145         }
 146
 147         for (cmd = ctx->cmds; cmd->name != NULL; cmd++) {
 148                 if (strequal(cmd->name, argv[0])) {
 149                         break;
 150                 }
 151         }
 152
 153         if (cmd->name == NULL) {
 154                 /* None found */
 155                 d_fprintf(stderr,_( "%s: unknown cmd\n"), argv[0]);
 156                 return true;
 157         }
 158
 159         new_ctx = talloc(ctx, struct rpc_sh_ctx);
 160         if (new_ctx == NULL) {
 161                 d_fprintf(stderr, _("talloc failed\n"));
 162                 return false;
 163         }
 164         new_ctx->cli = ctx->cli;
 165         new_ctx->whoami = talloc_asprintf(new_ctx, "%s %s",
 166                                           ctx->whoami, cmd->name);
 167         new_ctx->thiscmd = talloc_strdup(new_ctx, cmd->name);
 168
 169         if (cmd->sub != NULL) {
 170                 new_ctx->cmds = cmd->sub(c, new_ctx, ctx);
 171         } else {
 172                 new_ctx->cmds = NULL;
 173         }
 174
 175         new_ctx->parent = ctx;
 176         new_ctx->domain_name = ctx->domain_name;
 177         new_ctx->domain_sid = ctx->domain_sid;
 178
 179         argc -= 1;
 180         argv += 1;
 181
 182         if (cmd->sub != NULL) {
 183                 if (argc == 0) {
 184                         this_ctx = new_ctx;
 185                         return true;
 186                 }
 187                 return net_sh_process(c, new_ctx, argc, argv);
 188         }
 189
 190         status = net_sh_run(c, new_ctx, cmd, argc, argv);
 191
 192         if (!NT_STATUS_IS_OK(status)) {
 193                 d_fprintf(stderr, _("%s failed: %s\n"), new_ctx->whoami,
 194                           nt_errstr(status));
 195         }
 196
 197         return true;
 198 }
 199
 200 static struct rpc_sh_cmd sh_cmds[6] = {
 201
 202         { "info", NULL, &ndr_table_samr, rpc_sh_info,
 203           N_("Print information about the domain connected to") },
 204
 205         { "rights", net_rpc_rights_cmds, 0, NULL,
 206           N_("List/Grant/Revoke user rights") },
 207
 208         { "share", net_rpc_share_cmds, 0, NULL,
 209           N_("List/Add/Remove etc shares") },
 210
 211         { "user", net_rpc_user_cmds, 0, NULL,
 212           N_("List/Add/Remove user info") },
 213
 214         { "account", net_rpc_acct_cmds, 0, NULL,
 215           N_("Show/Change account policy settings") },
 216
 217         { NULL, NULL, 0, NULL, NULL }
 218 };
 219
 220 int net_rpc_shell(struct net_context *c, int argc, const char **argv)
 221 {
 222         NTSTATUS status;
 223         struct rpc_sh_ctx *ctx;
 224         struct dom_sid_buf buf;
 225         NET_API_STATUS net_api_status;
 226
 227         if (argc != 0 || c->display_usage) {
 228                 d_printf("%s\nnet rpc shell\n", _("Usage:"));
 229                 return -1;
 230         }
 231
 232         net_api_status = libnetapi_net_init(&c->netapi_ctx, c->lp_ctx, c->creds);
 233         if (net_api_status != 0) {
 234                 return -1;
 235         }
 236
 237         ctx = talloc(NULL, struct rpc_sh_ctx);
 238         if (ctx == NULL) {
 239                 d_fprintf(stderr, _("talloc failed\n"));
 240                 return -1;
 241         }
 242
 243         status = net_make_ipc_connection(c, 0, &(ctx->cli));
 244         if (!NT_STATUS_IS_OK(status)) {
 245                 d_fprintf(stderr, _("Could not open connection: %s\n"),
 246                           nt_errstr(status));
 247                 return -1;
 248         }
 249
 250         ctx->cmds = sh_cmds;
 251         ctx->whoami = "net rpc";
 252         ctx->parent = NULL;
 253
 254         status = net_get_remote_domain_sid(ctx->cli, ctx, &ctx->domain_sid,
 255                                            &ctx->domain_name);
 256         if (!NT_STATUS_IS_OK(status)) {
 257                 return -1;
 258         }
 259
 260         d_printf(_("Talking to domain %s (%s)\n"), ctx->domain_name,
 261                  dom_sid_str_buf(ctx->domain_sid, &buf));
 262
 263         this_ctx = ctx;
 264
 265         while(1) {
 266                 char *prompt = NULL;
 267                 char *line = NULL;
 268                 int ret;
 269
 270                 if (asprintf(&prompt, "%s> ", this_ctx->whoami) < 0) {
 271                         break;
 272                 }
 273
 274                 line = smb_readline(prompt, NULL, completion_fn);
 275                 SAFE_FREE(prompt);
 276
 277                 if (line == NULL) {
 278                         break;
 279                 }
 280
 281                 ret = poptParseArgvString(line, &argc, &argv);
 282                 if (ret == POPT_ERROR_NOARG) {
 283                         SAFE_FREE(line);
 284                         continue;
 285                 }
 286                 if (ret != 0) {
 287                         d_fprintf(stderr, _("cmdline invalid: %s\n"),
 288                                   poptStrerror(ret));
 289                         SAFE_FREE(line);
 290                         return false;
 291                 }
 292
 293                 if ((line[0] != '\n') &&
 294                     (!net_sh_process(c, this_ctx, argc, argv))) {
 295                         SAFE_FREE(line);
 296                         break;
 297                 }
 298                 SAFE_FREE(line);
 299         }
 300
 301         cli_shutdown(ctx->cli);
 302
 303         TALLOC_FREE(ctx);
 304
 305         return 0;
 306 }