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 static NTSTATUS sclassic_init(TALLOC_CTX *mem_ctx,
  27                               const struct share_ops *ops,
  28                               struct tevent_context *event_ctx,
  29                               struct loadparm_context *lp_ctx,
  30                               struct share_context **ctx)
  31 {
  32         *ctx = talloc(mem_ctx, struct share_context);
  33         if (!*ctx) {
  34                 DEBUG(0, ("ERROR: Out of memory!\n"));
  35                 return NT_STATUS_NO_MEMORY;
  36         }
  37
  38         (*ctx)->ops = ops;
  39         (*ctx)->priv_data = lp_ctx;
  40
  41         return NT_STATUS_OK;
  42 }
  43
  44 static const char *sclassic_string_option(struct share_config *scfg,
  45                                           const char *opt_name,
  46                                           const char *defval)
  47 {
  48         struct loadparm_service *s = talloc_get_type(scfg->opaque,
  49                                                      struct loadparm_service);
  50         struct loadparm_context *lp_ctx = talloc_get_type(scfg->ctx->priv_data,
  51                                                           struct loadparm_context);
  52         char *parm, *val;
  53         const char *ret;
  54
  55         if (strchr(opt_name, ':')) {
  56                 parm = talloc_strdup(scfg, opt_name);
  57                 if (!parm) {
  58                         return NULL;
  59                 }
  60                 val = strchr(parm, ':');
  61                 *val = '\0';
  62                 val++;
  63
  64                 ret = lp_parm_string(lp_ctx, s, parm, val);
  65                 if (!ret) {
  66                         ret = defval;
  67                 }
  68                 talloc_free(parm);
  69                 return ret;
  70         }
  71
  72         if (strcmp(opt_name, SHARE_NAME) == 0) {
  73                 return scfg->name;
  74         }
  75
  76         if (strcmp(opt_name, SHARE_PATH) == 0) {
  77                 return lp_pathname(s, lp_default_service(lp_ctx));
  78         }
  79
  80         if (strcmp(opt_name, SHARE_COMMENT) == 0) {
  81                 return lp_comment(s, lp_default_service(lp_ctx));
  82         }
  83
  84         if (strcmp(opt_name, SHARE_VOLUME) == 0) {
  85                 return volume_label(s, lp_default_service(lp_ctx));
  86         }
  87
  88         if (strcmp(opt_name, SHARE_TYPE) == 0) {
  89                 if (lp_print_ok(s, lp_default_service(lp_ctx))) {
  90                         return "PRINTER";
  91                 }
  92                 if (strcmp("NTFS", lp_fstype(s, lp_default_service(lp_ctx))) == 0) {
  93                         return "DISK";
  94                 }
  95                 return lp_fstype(s, lp_default_service(lp_ctx));
  96         }
  97
  98         if (strcmp(opt_name, SHARE_PASSWORD) == 0) {
  99                 return defval;
 100         }
 101
 102         DEBUG(0,("request for unknown share string option '%s'\n",
 103                  opt_name));
 104
 105         return defval;
 106 }
 107
 108 static int sclassic_int_option(struct share_config *scfg, const char *opt_name, int defval)
 109 {
 110         struct loadparm_service *s = talloc_get_type(scfg->opaque,
 111                                                      struct loadparm_service);
 112         struct loadparm_context *lp_ctx = talloc_get_type(scfg->ctx->priv_data,
 113                                                           struct loadparm_context);
 114         char *parm, *val;
 115         int ret;
 116
 117         if (strchr(opt_name, ':')) {
 118                 parm = talloc_strdup(scfg, opt_name);
 119                 if (!parm) {
 120                         return -1;
 121                 }
 122                 val = strchr(parm, ':');
 123                 *val = '\0';
 124                 val++;
 125
 126                 ret = lp_parm_int(lp_ctx, s, parm, val, defval);
 127                 if (!ret) {
 128                         ret = defval;
 129                 }
 130                 talloc_free(parm);
 131                 return ret;
 132         }
 133
 134         if (strcmp(opt_name, SHARE_CSC_POLICY) == 0) {
 135                 return lp_csc_policy(s, lp_default_service(lp_ctx));
 136         }
 137
 138         if (strcmp(opt_name, SHARE_MAX_CONNECTIONS) == 0) {
 139                 return lp_max_connections(s, lp_default_service(lp_ctx));
 140         }
 141
 142         if (strcmp(opt_name, SHARE_CREATE_MASK) == 0) {
 143                 return lp_create_mask(s, lp_default_service(lp_ctx));
 144         }
 145
 146         if (strcmp(opt_name, SHARE_DIR_MASK) == 0) {
 147                 return lp_dir_mask(s, lp_default_service(lp_ctx));
 148         }
 149
 150         if (strcmp(opt_name, SHARE_FORCE_DIR_MODE) == 0) {
 151                 return lp_force_dir_mode(s, lp_default_service(lp_ctx));
 152         }
 153
 154         if (strcmp(opt_name, SHARE_FORCE_CREATE_MODE) == 0) {
 155                 return lp_force_create_mode(s, lp_default_service(lp_ctx));
 156         }
 157
 158
 159         DEBUG(0,("request for unknown share int option '%s'\n",
 160                  opt_name));
 161
 162         return defval;
 163 }
 164
 165 static bool sclassic_bool_option(struct share_config *scfg, const char *opt_name,
 166                           bool defval)
 167 {
 168         struct loadparm_service *s = talloc_get_type(scfg->opaque,
 169                                                      struct loadparm_service);
 170         struct loadparm_context *lp_ctx = talloc_get_type(scfg->ctx->priv_data,
 171                                                           struct loadparm_context);
 172         char *parm, *val;
 173         bool ret;
 174
 175         if (strchr(opt_name, ':')) {
 176                 parm = talloc_strdup(scfg, opt_name);
 177                 if(!parm) {
 178                         return false;
 179                 }
 180                 val = strchr(parm, ':');
 181                 *val = '\0';
 182                 val++;
 183
 184                 ret = lp_parm_bool(lp_ctx, s, parm, val, defval);
 185                 talloc_free(parm);
 186                 return ret;
 187         }
 188
 189         if (strcmp(opt_name, SHARE_AVAILABLE) == 0) {
 190                 return s != NULL;
 191         }
 192
 193         if (strcmp(opt_name, SHARE_BROWSEABLE) == 0) {
 194                 return lp_browseable(s, lp_default_service(lp_ctx));
 195         }
 196
 197         if (strcmp(opt_name, SHARE_READONLY) == 0) {
 198                 return lp_readonly(s, lp_default_service(lp_ctx));
 199         }
 200
 201         if (strcmp(opt_name, SHARE_MAP_SYSTEM) == 0) {
 202                 return lp_map_system(s, lp_default_service(lp_ctx));
 203         }
 204
 205         if (strcmp(opt_name, SHARE_MAP_HIDDEN) == 0) {
 206                 return lp_map_hidden(s, lp_default_service(lp_ctx));
 207         }
 208
 209         if (strcmp(opt_name, SHARE_MAP_ARCHIVE) == 0) {
 210                 return lp_map_archive(s, lp_default_service(lp_ctx));
 211         }
 212
 213         if (strcmp(opt_name, SHARE_STRICT_LOCKING) == 0) {
 214                 return lp_strict_locking(s, lp_default_service(lp_ctx));
 215         }
 216
 217         if (strcmp(opt_name, SHARE_OPLOCKS) == 0) {
 218                 return lp_oplocks(s, lp_default_service(lp_ctx));
 219         }
 220
 221         if (strcmp(opt_name, SHARE_STRICT_SYNC) == 0) {
 222                 return lp_strict_sync(s, lp_default_service(lp_ctx));
 223         }
 224
 225         if (strcmp(opt_name, SHARE_MSDFS_ROOT) == 0) {
 226                 return lp_msdfs_root(s, lp_default_service(lp_ctx));
 227         }
 228
 229         if (strcmp(opt_name, SHARE_CI_FILESYSTEM) == 0) {
 230                 return lp_ci_filesystem(s, lp_default_service(lp_ctx));
 231         }
 232
 233         DEBUG(0,("request for unknown share bool option '%s'\n",
 234                  opt_name));
 235
 236         return defval;
 237 }
 238
 239 static const char **sclassic_string_list_option(TALLOC_CTX *mem_ctx, struct share_config *scfg, const char *opt_name)
 240 {
 241         struct loadparm_service *s = talloc_get_type(scfg->opaque,
 242                                                      struct loadparm_service);
 243         struct loadparm_context *lp_ctx = talloc_get_type(scfg->ctx->priv_data,
 244                                                           struct loadparm_context);
 245         char *parm, *val;
 246         const char **ret;
 247
 248         if (strchr(opt_name, ':')) {
 249                 parm = talloc_strdup(scfg, opt_name);
 250                 if (!parm) {
 251                         return NULL;
 252                 }
 253                 val = strchr(parm, ':');
 254                 *val = '\0';
 255                 val++;
 256
 257                 ret = lp_parm_string_list(mem_ctx, lp_ctx, s, parm, val, ",;");
 258                 talloc_free(parm);
 259                 return ret;
 260         }
 261
 262         if (strcmp(opt_name, SHARE_HOSTS_ALLOW) == 0) {
 263                 return lp_hostsallow(s, lp_default_service(lp_ctx));
 264         }
 265
 266         if (strcmp(opt_name, SHARE_HOSTS_DENY) == 0) {
 267                 return lp_hostsdeny(s, lp_default_service(lp_ctx));
 268         }
 269
 270         if (strcmp(opt_name, SHARE_NTVFS_HANDLER) == 0) {
 271                 return lp_ntvfs_handler(s, lp_default_service(lp_ctx));
 272         }
 273
 274         DEBUG(0,("request for unknown share list option '%s'\n",
 275                  opt_name));
 276
 277         return NULL;
 278 }
 279
 280 static NTSTATUS sclassic_list_all(TALLOC_CTX *mem_ctx,
 281                                   struct share_context *ctx,
 282                                   int *count,
 283                                   const char ***names)
 284 {
 285         int i;
 286         int num_services;
 287         const char **n;
 288
 289         num_services = lp_numservices((struct loadparm_context *)ctx->priv_data);
 290
 291         n = talloc_array(mem_ctx, const char *, num_services);
 292         if (!n) {
 293                 DEBUG(0,("ERROR: Out of memory!\n"));
 294                 return NT_STATUS_NO_MEMORY;
 295         }
 296
 297         for (i = 0; i < num_services; i++) {
 298                 n[i] = talloc_strdup(n, lp_servicename(lp_servicebynum((struct loadparm_context *)ctx->priv_data, i)));
 299                 if (!n[i]) {
 300                         DEBUG(0,("ERROR: Out of memory!\n"));
 301                         talloc_free(n);
 302                         return NT_STATUS_NO_MEMORY;
 303                 }
 304         }
 305
 306         *names = n;
 307         *count = num_services;
 308
 309         return NT_STATUS_OK;
 310 }
 311
 312 static NTSTATUS sclassic_get_config(TALLOC_CTX *mem_ctx,
 313                                     struct share_context *ctx,
 314                                     const char *name,
 315                                     struct share_config **scfg)
 316 {
 317         struct share_config *s;
 318         struct loadparm_service *service;
 319
 320         service = lp_service((struct loadparm_context *)ctx->priv_data, name);
 321
 322         if (service == NULL) {
 323                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 324         }
 325
 326         s = talloc(mem_ctx, struct share_config);
 327         if (!s) {
 328                 DEBUG(0,("ERROR: Out of memory!\n"));
 329                 return NT_STATUS_NO_MEMORY;
 330         }
 331
 332         s->name = talloc_strdup(s, lp_servicename(service));
 333         if (!s->name) {
 334                 DEBUG(0,("ERROR: Out of memory!\n"));
 335                 talloc_free(s);
 336                 return NT_STATUS_NO_MEMORY;
 337         }
 338
 339         s->opaque = (void *)service;
 340         s->ctx = ctx;
 341
 342         *scfg = s;
 343
 344         return NT_STATUS_OK;
 345 }
 346
 347 static const struct share_ops ops = {
 348         .name = "classic",
 349         .init = sclassic_init,
 350         .string_option = sclassic_string_option,
 351         .int_option = sclassic_int_option,
 352         .bool_option = sclassic_bool_option,
 353         .string_list_option = sclassic_string_list_option,
 354         .list_all = sclassic_list_all,
 355         .get_config = sclassic_get_config
 356 };
 357
 358 NTSTATUS share_classic_init(void)
 359 {
 360         return share_register(&ops);
 361 }
 362