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(void);
  27
  28 static NTSTATUS sclassic_init(TALLOC_CTX *mem_ctx,
  29                               const struct share_ops *ops,
  30                               struct tevent_context *event_ctx,
  31                               struct loadparm_context *lp_ctx,
  32                               struct share_context **ctx)
  33 {
  34         *ctx = talloc(mem_ctx, struct share_context);
  35         if (!*ctx) {
  36                 DEBUG(0, ("ERROR: Out of memory!\n"));
  37                 return NT_STATUS_NO_MEMORY;
  38         }
  39
  40         (*ctx)->ops = ops;
  41         (*ctx)->priv_data = lp_ctx;
  42
  43         return NT_STATUS_OK;
  44 }
  45
  46 static char *sclassic_string_option(TALLOC_CTX *mem_ctx,
  47                                     struct share_config *scfg,
  48                                     const char *opt_name,
  49                                     const char *defval)
  50 {
  51         struct loadparm_service *s = talloc_get_type(scfg->opaque,
  52                                                      struct loadparm_service);
  53         struct loadparm_context *lp_ctx = talloc_get_type(scfg->ctx->priv_data,
  54                                                           struct loadparm_context);
  55         char *parm, *val;
  56         const char *ret;
  57
  58         if (strchr(opt_name, ':')) {
  59                 parm = talloc_strdup(scfg, opt_name);
  60                 if (!parm) {
  61                         return NULL;
  62                 }
  63                 val = strchr(parm, ':');
  64                 *val = '\0';
  65                 val++;
  66
  67                 ret = lpcfg_parm_string(lp_ctx, s, parm, val);
  68                 if (!ret) {
  69                         ret = defval;
  70                 }
  71                 talloc_free(parm);
  72                 return talloc_strdup(mem_ctx, ret);
  73         }
  74
  75         if (strcmp(opt_name, SHARE_NAME) == 0) {
  76                 return talloc_strdup(mem_ctx, scfg->name);
  77         }
  78
  79         if (strcmp(opt_name, SHARE_PATH) == 0) {
  80                 return lpcfg_path(s, lpcfg_default_service(lp_ctx), mem_ctx);
  81         }
  82
  83         if (strcmp(opt_name, SHARE_COMMENT) == 0) {
  84                 return lpcfg_comment(s, lpcfg_default_service(lp_ctx), mem_ctx);
  85         }
  86
  87         if (strcmp(opt_name, SHARE_VOLUME) == 0) {
  88                 return talloc_strdup(mem_ctx, lpcfg_volume_label(s, lpcfg_default_service(lp_ctx)));
  89         }
  90
  91         if (strcmp(opt_name, SHARE_TYPE) == 0) {
  92                 if (lpcfg_printable(s, lpcfg_default_service(lp_ctx))) {
  93                         return talloc_strdup(mem_ctx, "PRINTER");
  94                 }
  95                 if (strcmp("NTFS", lpcfg_fstype(s, lpcfg_default_service(lp_ctx))) == 0) {
  96                         return talloc_strdup(mem_ctx, "DISK");
  97                 }
  98                 return talloc_strdup(mem_ctx, lpcfg_fstype(s, lpcfg_default_service(lp_ctx)));
  99         }
 100
 101         if (strcmp(opt_name, SHARE_PASSWORD) == 0) {
 102                 return talloc_strdup(mem_ctx, defval);
 103         }
 104
 105         DEBUG(0,("request for unknown share string option '%s'\n",
 106                  opt_name));
 107
 108         return talloc_strdup(mem_ctx, defval);
 109 }
 110
 111 static int sclassic_int_option(struct share_config *scfg, const char *opt_name, int defval)
 112 {
 113         struct loadparm_service *s = talloc_get_type(scfg->opaque,
 114                                                      struct loadparm_service);
 115         struct loadparm_context *lp_ctx = talloc_get_type(scfg->ctx->priv_data,
 116                                                           struct loadparm_context);
 117         char *parm, *val;
 118         int ret;
 119
 120         if (strchr(opt_name, ':')) {
 121                 parm = talloc_strdup(scfg, opt_name);
 122                 if (!parm) {
 123                         return -1;
 124                 }
 125                 val = strchr(parm, ':');
 126                 *val = '\0';
 127                 val++;
 128
 129                 ret = lpcfg_parm_int(lp_ctx, s, parm, val, defval);
 130                 if (!ret) {
 131                         ret = defval;
 132                 }
 133                 talloc_free(parm);
 134                 return ret;
 135         }
 136
 137         if (strcmp(opt_name, SHARE_CSC_POLICY) == 0) {
 138                 return lpcfg_csc_policy(s, lpcfg_default_service(lp_ctx));
 139         }
 140
 141         if (strcmp(opt_name, SHARE_MAX_CONNECTIONS) == 0) {
 142                 return lpcfg_max_connections(s, lpcfg_default_service(lp_ctx));
 143         }
 144
 145         if (strcmp(opt_name, SHARE_CREATE_MASK) == 0) {
 146                 return lpcfg_create_mask(s, lpcfg_default_service(lp_ctx));
 147         }
 148
 149         if (strcmp(opt_name, SHARE_DIR_MASK) == 0) {
 150                 return lpcfg_directory_mask(s, lpcfg_default_service(lp_ctx));
 151         }
 152
 153         if (strcmp(opt_name, SHARE_FORCE_DIR_MODE) == 0) {
 154                 return lpcfg_force_directory_mode(s, lpcfg_default_service(lp_ctx));
 155         }
 156
 157         if (strcmp(opt_name, SHARE_FORCE_CREATE_MODE) == 0) {
 158                 return lpcfg_force_create_mode(s, lpcfg_default_service(lp_ctx));
 159         }
 160
 161
 162         DEBUG(0,("request for unknown share int option '%s'\n",
 163                  opt_name));
 164
 165         return defval;
 166 }
 167
 168 static bool sclassic_bool_option(struct share_config *scfg, const char *opt_name,
 169                           bool defval)
 170 {
 171         struct loadparm_service *s = talloc_get_type(scfg->opaque,
 172                                                      struct loadparm_service);
 173         struct loadparm_context *lp_ctx = talloc_get_type(scfg->ctx->priv_data,
 174                                                           struct loadparm_context);
 175         char *parm, *val;
 176         bool ret;
 177
 178         if (strchr(opt_name, ':')) {
 179                 parm = talloc_strdup(scfg, opt_name);
 180                 if(!parm) {
 181                         return false;
 182                 }
 183                 val = strchr(parm, ':');
 184                 *val = '\0';
 185                 val++;
 186
 187                 ret = lpcfg_parm_bool(lp_ctx, s, parm, val, defval);
 188                 talloc_free(parm);
 189                 return ret;
 190         }
 191
 192         if (strcmp(opt_name, SHARE_AVAILABLE) == 0) {
 193                 return s != NULL;
 194         }
 195
 196         if (strcmp(opt_name, SHARE_BROWSEABLE) == 0) {
 197                 return lpcfg_browseable(s, lpcfg_default_service(lp_ctx));
 198         }
 199
 200         if (strcmp(opt_name, SHARE_READONLY) == 0) {
 201                 return lpcfg_read_only(s, lpcfg_default_service(lp_ctx));
 202         }
 203
 204         if (strcmp(opt_name, SHARE_MAP_SYSTEM) == 0) {
 205                 return lpcfg_map_system(s, lpcfg_default_service(lp_ctx));
 206         }
 207
 208         if (strcmp(opt_name, SHARE_MAP_HIDDEN) == 0) {
 209                 return lpcfg_map_hidden(s, lpcfg_default_service(lp_ctx));
 210         }
 211
 212         if (strcmp(opt_name, SHARE_MAP_ARCHIVE) == 0) {
 213                 return lpcfg_map_archive(s, lpcfg_default_service(lp_ctx));
 214         }
 215
 216         if (strcmp(opt_name, SHARE_STRICT_LOCKING) == 0) {
 217                 return lpcfg_strict_locking(s, lpcfg_default_service(lp_ctx));
 218         }
 219
 220         if (strcmp(opt_name, SHARE_OPLOCKS) == 0) {
 221                 return lpcfg_oplocks(s, lpcfg_default_service(lp_ctx));
 222         }
 223
 224         if (strcmp(opt_name, SHARE_STRICT_SYNC) == 0) {
 225                 return lpcfg_strict_sync(s, lpcfg_default_service(lp_ctx));
 226         }
 227
 228         if (strcmp(opt_name, SHARE_MSDFS_ROOT) == 0) {
 229                 return lpcfg_msdfs_root(s, lpcfg_default_service(lp_ctx));
 230         }
 231
 232         if (strcmp(opt_name, SHARE_CI_FILESYSTEM) == 0) {
 233                 int case_sensitive = lpcfg_case_sensitive(s, lpcfg_default_service(lp_ctx));
 234                 /*
 235                  * Yes, this confusingly named option means Samba acts
 236                  * case sensitive, so that the filesystem can act case
 237                  * insensitive.
 238                  *
 239                  */
 240                 if (case_sensitive == Auto) {
 241                         /* Auto is for unix extensions and unix
 242                          * clients, which we don't support here.
 243                          * Samba needs to do the case changing,
 244                          * because the filesystem is case
 245                          * sensitive  */
 246                         return false;
 247                 } else if (case_sensitive) {
 248                         /* True means that Samba won't do anything to
 249                          * change the case of incoming requests.
 250                          * Essentially this means we trust the file
 251                          * system to be case insensitive */
 252                         return true;
 253                 } else {
 254                         /* False means that Smaba needs to do the case
 255                          * changing, because the filesystem is case
 256                          * sensitive */
 257                         return false;
 258                 }
 259         }
 260
 261         DEBUG(0,("request for unknown share bool option '%s'\n",
 262                  opt_name));
 263
 264         return defval;
 265 }
 266
 267 static const char **sclassic_string_list_option(TALLOC_CTX *mem_ctx, struct share_config *scfg, const char *opt_name)
 268 {
 269         struct loadparm_service *s = talloc_get_type(scfg->opaque,
 270                                                      struct loadparm_service);
 271         struct loadparm_context *lp_ctx = talloc_get_type(scfg->ctx->priv_data,
 272                                                           struct loadparm_context);
 273         char *parm, *val;
 274         const char **ret;
 275
 276         if (strchr(opt_name, ':')) {
 277                 parm = talloc_strdup(scfg, opt_name);
 278                 if (!parm) {
 279                         return NULL;
 280                 }
 281                 val = strchr(parm, ':');
 282                 *val = '\0';
 283                 val++;
 284
 285                 ret = lpcfg_parm_string_list(mem_ctx, lp_ctx, s, parm, val, ",;");
 286                 talloc_free(parm);
 287                 return ret;
 288         }
 289
 290         if (strcmp(opt_name, SHARE_HOSTS_ALLOW) == 0) {
 291                 return lpcfg_hosts_allow(s, lpcfg_default_service(lp_ctx));
 292         }
 293
 294         if (strcmp(opt_name, SHARE_HOSTS_DENY) == 0) {
 295                 return lpcfg_hosts_deny(s, lpcfg_default_service(lp_ctx));
 296         }
 297
 298         if (strcmp(opt_name, SHARE_NTVFS_HANDLER) == 0) {
 299                 return lpcfg_ntvfs_handler(s, lpcfg_default_service(lp_ctx));
 300         }
 301
 302         DEBUG(0,("request for unknown share list option '%s'\n",
 303                  opt_name));
 304
 305         return NULL;
 306 }
 307
 308 static NTSTATUS sclassic_list_all(TALLOC_CTX *mem_ctx,
 309                                   struct share_context *ctx,
 310                                   int *count,
 311                                   const char ***names)
 312 {
 313         int i;
 314         int num_services;
 315         const char **n;
 316
 317         num_services = lpcfg_numservices((struct loadparm_context *)ctx->priv_data);
 318
 319         n = talloc_array(mem_ctx, const char *, num_services);
 320         if (!n) {
 321                 DEBUG(0,("ERROR: Out of memory!\n"));
 322                 return NT_STATUS_NO_MEMORY;
 323         }
 324
 325         for (i = 0; i < num_services; i++) {
 326                 n[i] = talloc_strdup(n, lpcfg_servicename(lpcfg_servicebynum((struct loadparm_context *)ctx->priv_data, i)));
 327                 if (!n[i]) {
 328                         DEBUG(0,("ERROR: Out of memory!\n"));
 329                         talloc_free(n);
 330                         return NT_STATUS_NO_MEMORY;
 331                 }
 332         }
 333
 334         *names = n;
 335         *count = num_services;
 336
 337         return NT_STATUS_OK;
 338 }
 339
 340 static NTSTATUS sclassic_get_config(TALLOC_CTX *mem_ctx,
 341                                     struct share_context *ctx,
 342                                     const char *name,
 343                                     struct share_config **scfg)
 344 {
 345         struct share_config *s;
 346         struct loadparm_service *service;
 347
 348         service = lpcfg_service((struct loadparm_context *)ctx->priv_data, name);
 349
 350         if (service == NULL) {
 351                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 352         }
 353
 354         s = talloc(mem_ctx, struct share_config);
 355         if (!s) {
 356                 DEBUG(0,("ERROR: Out of memory!\n"));
 357                 return NT_STATUS_NO_MEMORY;
 358         }
 359
 360         s->name = talloc_strdup(s, lpcfg_servicename(service));
 361         if (!s->name) {
 362                 DEBUG(0,("ERROR: Out of memory!\n"));
 363                 talloc_free(s);
 364                 return NT_STATUS_NO_MEMORY;
 365         }
 366
 367         s->opaque = (void *)service;
 368         s->ctx = ctx;
 369
 370         *scfg = s;
 371
 372         return NT_STATUS_OK;
 373 }
 374
 375 static const struct share_ops ops = {
 376         .name = "classic",
 377         .init = sclassic_init,
 378         .string_option = sclassic_string_option,
 379         .int_option = sclassic_int_option,
 380         .bool_option = sclassic_bool_option,
 381         .string_list_option = sclassic_string_list_option,
 382         .list_all = sclassic_list_all,
 383         .get_config = sclassic_get_config
 384 };
 385
 386 NTSTATUS share_classic_init(void)
 387 {
 388         return share_register(&ops);
 389 }
 390