source4/param/share_classic.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Classic file based shares configuration
   5
   6    Copyright (C) Simo Sorce     2006
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "param/share.h"
  24 #include "param/param.h"
  25
  26 NTSTATUS share_classic_init(TALLOC_CTX *);
  27
  28 static NTSTATUS sclassic_init(TALLOC_CTX *mem_ctx,
  29                               const struct share_ops *ops,
  30                               struct loadparm_context *lp_ctx,
  31                               struct share_context **ctx)
  32 {
  33         *ctx = talloc(mem_ctx, struct share_context);
  34         if (!*ctx) {
  35                 DEBUG(0, ("ERROR: Out of memory!\n"));
  36                 return NT_STATUS_NO_MEMORY;
  37         }
  38
  39         (*ctx)->ops = ops;
  40         (*ctx)->priv_data = lp_ctx;
  41
  42         return NT_STATUS_OK;
  43 }
  44
  45 static char *sclassic_string_option(TALLOC_CTX *mem_ctx,
  46                                     struct share_config *scfg,
  47                                     const char *opt_name,
  48                                     const char *defval)
  49 {
  50         struct loadparm_service *s = talloc_get_type(scfg->opaque,
  51                                                      struct loadparm_service);
  52         struct loadparm_context *lp_ctx = talloc_get_type(scfg->ctx->priv_data,
  53                                                           struct loadparm_context);
  54         char *parm, *val;
  55         const char *ret;
  56
  57         if (strchr(opt_name, ':')) {
  58                 parm = talloc_strdup(scfg, opt_name);
  59                 if (!parm) {
  60                         return NULL;
  61                 }
  62                 val = strchr(parm, ':');
  63                 *val = '\0';
  64                 val++;
  65
  66                 ret = lpcfg_parm_string(lp_ctx, s, parm, val);
  67                 if (!ret) {
  68                         ret = defval;
  69                 }
  70                 talloc_free(parm);
  71                 return talloc_strdup(mem_ctx, ret);
  72         }
  73
  74         if (strcmp(opt_name, SHARE_NAME) == 0) {
  75                 return talloc_strdup(mem_ctx, scfg->name);
  76         }
  77
  78         if (strcmp(opt_name, SHARE_PATH) == 0) {
  79                 return lpcfg_path(s, lpcfg_default_service(lp_ctx), mem_ctx);
  80         }
  81
  82         if (strcmp(opt_name, SHARE_COMMENT) == 0) {
  83                 return lpcfg_comment(s, lpcfg_default_service(lp_ctx), mem_ctx);
  84         }
  85
  86         if (strcmp(opt_name, SHARE_TYPE) == 0) {
  87                 if (lpcfg_printable(s, lpcfg_default_service(lp_ctx))) {
  88                         return talloc_strdup(mem_ctx, "PRINTER");
  89                 }
  90                 if (strcmp("NTFS", lpcfg_fstype(s, lpcfg_default_service(lp_ctx))) == 0) {
  91                         return talloc_strdup(mem_ctx, "DISK");
  92                 }
  93                 return talloc_strdup(mem_ctx, lpcfg_fstype(s, lpcfg_default_service(lp_ctx)));
  94         }
  95
  96         if (strcmp(opt_name, SHARE_PASSWORD) == 0) {
  97                 return talloc_strdup(mem_ctx, defval);
  98         }
  99
 100         DEBUG(0,("request for unknown share string option '%s'\n",
 101                  opt_name));
 102
 103         return talloc_strdup(mem_ctx, defval);
 104 }
 105
 106 static int sclassic_int_option(struct share_config *scfg, const char *opt_name, int defval)
 107 {
 108         struct loadparm_service *s = talloc_get_type(scfg->opaque,
 109                                                      struct loadparm_service);
 110         struct loadparm_context *lp_ctx = talloc_get_type(scfg->ctx->priv_data,
 111                                                           struct loadparm_context);
 112         char *parm, *val;
 113         int ret;
 114
 115         if (strchr(opt_name, ':')) {
 116                 parm = talloc_strdup(scfg, opt_name);
 117                 if (!parm) {
 118                         return -1;
 119                 }
 120                 val = strchr(parm, ':');
 121                 *val = '\0';
 122                 val++;
 123
 124                 ret = lpcfg_parm_int(lp_ctx, s, parm, val, defval);
 125                 if (!ret) {
 126                         ret = defval;
 127                 }
 128                 talloc_free(parm);
 129                 return ret;
 130         }
 131
 132         if (strcmp(opt_name, SHARE_CSC_POLICY) == 0) {
 133                 return lpcfg_csc_policy(s, lpcfg_default_service(lp_ctx));
 134         }
 135
 136         if (strcmp(opt_name, SHARE_MAX_CONNECTIONS) == 0) {
 137                 return lpcfg_max_connections(s, lpcfg_default_service(lp_ctx));
 138         }
 139
 140         if (strcmp(opt_name, SHARE_CREATE_MASK) == 0) {
 141                 return lpcfg_create_mask(s, lpcfg_default_service(lp_ctx));
 142         }
 143
 144         if (strcmp(opt_name, SHARE_DIR_MASK) == 0) {
 145                 return lpcfg_directory_mask(s, lpcfg_default_service(lp_ctx));
 146         }
 147
 148         if (strcmp(opt_name, SHARE_FORCE_DIR_MODE) == 0) {
 149                 return lpcfg_force_directory_mode(s, lpcfg_default_service(lp_ctx));
 150         }
 151
 152         if (strcmp(opt_name, SHARE_FORCE_CREATE_MODE) == 0) {
 153                 return lpcfg_force_create_mode(s, lpcfg_default_service(lp_ctx));
 154         }
 155
 156
 157         DEBUG(0,("request for unknown share int option '%s'\n",
 158                  opt_name));
 159
 160         return defval;
 161 }
 162
 163 static bool sclassic_bool_option(struct share_config *scfg, const char *opt_name,
 164                           bool defval)
 165 {
 166         struct loadparm_service *s = talloc_get_type(scfg->opaque,
 167                                                      struct loadparm_service);
 168         struct loadparm_context *lp_ctx = talloc_get_type(scfg->ctx->priv_data,
 169                                                           struct loadparm_context);
 170         char *parm, *val;
 171         bool ret;
 172
 173         if (strchr(opt_name, ':')) {
 174                 parm = talloc_strdup(scfg, opt_name);
 175                 if(!parm) {
 176                         return false;
 177                 }
 178                 val = strchr(parm, ':');
 179                 *val = '\0';
 180                 val++;
 181
 182                 ret = lpcfg_parm_bool(lp_ctx, s, parm, val, defval);
 183                 talloc_free(parm);
 184                 return ret;
 185         }
 186
 187         if (strcmp(opt_name, SHARE_AVAILABLE) == 0) {
 188                 return s != NULL;
 189         }
 190
 191         if (strcmp(opt_name, SHARE_BROWSEABLE) == 0) {
 192                 return lpcfg_browseable(s, lpcfg_default_service(lp_ctx));
 193         }
 194
 195         if (strcmp(opt_name, SHARE_READONLY) == 0) {
 196                 return lpcfg_read_only(s, lpcfg_default_service(lp_ctx));
 197         }
 198
 199         if (strcmp(opt_name, SHARE_MAP_SYSTEM) == 0) {
 200                 return lpcfg_map_system(s, lpcfg_default_service(lp_ctx));
 201         }
 202
 203         if (strcmp(opt_name, SHARE_MAP_HIDDEN) == 0) {
 204                 return lpcfg_map_hidden(s, lpcfg_default_service(lp_ctx));
 205         }
 206
 207         if (strcmp(opt_name, SHARE_MAP_ARCHIVE) == 0) {
 208                 return lpcfg_map_archive(s, lpcfg_default_service(lp_ctx));
 209         }
 210
 211         if (strcmp(opt_name, SHARE_STRICT_LOCKING) == 0) {
 212                 return lpcfg_strict_locking(s, lpcfg_default_service(lp_ctx));
 213         }
 214
 215         if (strcmp(opt_name, SHARE_OPLOCKS) == 0) {
 216                 return lpcfg_oplocks(s, lpcfg_default_service(lp_ctx));
 217         }
 218
 219         if (strcmp(opt_name, SHARE_STRICT_SYNC) == 0) {
 220                 return lpcfg_strict_sync(s, lpcfg_default_service(lp_ctx));
 221         }
 222
 223         if (strcmp(opt_name, SHARE_MSDFS_ROOT) == 0) {
 224                 return lpcfg_msdfs_root(s, lpcfg_default_service(lp_ctx));
 225         }
 226
 227         if (strcmp(opt_name, SHARE_CI_FILESYSTEM) == 0) {
 228                 int case_sensitive = lpcfg_case_sensitive(s, lpcfg_default_service(lp_ctx));
 229                 /*
 230                  * Yes, this confusingly named option means Samba acts
 231                  * case sensitive, so that the filesystem can act case
 232                  * insensitive.
 233                  *
 234                  */
 235                 if (case_sensitive == Auto) {
 236                         /* Auto is for unix extensions and unix
 237                          * clients, which we don't support here.
 238                          * Samba needs to do the case changing,
 239                          * because the filesystem is case
 240                          * sensitive  */
 241                         return false;
 242                 } else if (case_sensitive) {
 243                         /* True means that Samba won't do anything to
 244                          * change the case of incoming requests.
 245                          * Essentially this means we trust the file
 246                          * system to be case insensitive */
 247                         return true;
 248                 } else {
 249                         /* False means that Smaba needs to do the case
 250                          * changing, because the filesystem is case
 251                          * sensitive */
 252                         return false;
 253                 }
 254         }
 255
 256         DEBUG(0,("request for unknown share bool option '%s'\n",
 257                  opt_name));
 258
 259         return defval;
 260 }
 261
 262 static const char **sclassic_string_list_option(TALLOC_CTX *mem_ctx, struct share_config *scfg, const char *opt_name)
 263 {
 264         struct loadparm_service *s = talloc_get_type(scfg->opaque,
 265                                                      struct loadparm_service);
 266         struct loadparm_context *lp_ctx = talloc_get_type(scfg->ctx->priv_data,
 267                                                           struct loadparm_context);
 268         char *parm, *val;
 269         const char **ret;
 270
 271         if (strchr(opt_name, ':')) {
 272                 parm = talloc_strdup(scfg, opt_name);
 273                 if (!parm) {
 274                         return NULL;
 275                 }
 276                 val = strchr(parm, ':');
 277                 *val = '\0';
 278                 val++;
 279
 280                 ret = lpcfg_parm_string_list(mem_ctx, lp_ctx, s, parm, val, ",;");
 281                 talloc_free(parm);
 282                 return ret;
 283         }
 284
 285         if (strcmp(opt_name, SHARE_HOSTS_ALLOW) == 0) {
 286                 return lpcfg_hosts_allow(s, lpcfg_default_service(lp_ctx));
 287         }
 288
 289         if (strcmp(opt_name, SHARE_HOSTS_DENY) == 0) {
 290                 return lpcfg_hosts_deny(s, lpcfg_default_service(lp_ctx));
 291         }
 292
 293         if (strcmp(opt_name, SHARE_NTVFS_HANDLER) == 0) {
 294                 return lpcfg_ntvfs_handler(s, lpcfg_default_service(lp_ctx));
 295         }
 296
 297         DEBUG(0,("request for unknown share list option '%s'\n",
 298                  opt_name));
 299
 300         return NULL;
 301 }
 302
 303 static NTSTATUS sclassic_list_all(TALLOC_CTX *mem_ctx,
 304                                   struct share_context *ctx,
 305                                   int *count,
 306                                   const char ***names)
 307 {
 308         int i;
 309         int num_services;
 310         const char **n;
 311
 312         num_services = lpcfg_numservices((struct loadparm_context *)ctx->priv_data);
 313
 314         n = talloc_array(mem_ctx, const char *, num_services);
 315         if (!n) {
 316                 DEBUG(0,("ERROR: Out of memory!\n"));
 317                 return NT_STATUS_NO_MEMORY;
 318         }
 319
 320         for (i = 0; i < num_services; i++) {
 321                 n[i] = talloc_strdup(n, lpcfg_servicename(lpcfg_servicebynum((struct loadparm_context *)ctx->priv_data, i)));
 322                 if (!n[i]) {
 323                         DEBUG(0,("ERROR: Out of memory!\n"));
 324                         talloc_free(n);
 325                         return NT_STATUS_NO_MEMORY;
 326                 }
 327         }
 328
 329         *names = n;
 330         *count = num_services;
 331
 332         return NT_STATUS_OK;
 333 }
 334
 335 static NTSTATUS sclassic_get_config(TALLOC_CTX *mem_ctx,
 336                                     struct share_context *ctx,
 337                                     const char *name,
 338                                     struct share_config **scfg)
 339 {
 340         struct share_config *s;
 341         struct loadparm_service *service;
 342
 343         service = lpcfg_service((struct loadparm_context *)ctx->priv_data, name);
 344
 345         if (service == NULL) {
 346                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 347         }
 348
 349         s = talloc(mem_ctx, struct share_config);
 350         if (!s) {
 351                 DEBUG(0,("ERROR: Out of memory!\n"));
 352                 return NT_STATUS_NO_MEMORY;
 353         }
 354
 355         s->name = talloc_strdup(s, lpcfg_servicename(service));
 356         if (!s->name) {
 357                 DEBUG(0,("ERROR: Out of memory!\n"));
 358                 talloc_free(s);
 359                 return NT_STATUS_NO_MEMORY;
 360         }
 361
 362         s->opaque = (void *)service;
 363         s->ctx = ctx;
 364
 365         *scfg = s;
 366
 367         return NT_STATUS_OK;
 368 }
 369
 370 static const struct share_ops ops = {
 371         .name = "classic",
 372         .init = sclassic_init,
 373         .string_option = sclassic_string_option,
 374         .int_option = sclassic_int_option,
 375         .bool_option = sclassic_bool_option,
 376         .string_list_option = sclassic_string_list_option,
 377         .list_all = sclassic_list_all,
 378         .get_config = sclassic_get_config
 379 };
 380
 381 NTSTATUS share_classic_init(TALLOC_CTX *ctx)
 382 {
 383         return share_register(&ops);
 384 }
 385