source4/param/share_classic.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Classic file based services 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 2 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, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #include "includes.h"
  24 #include "param/share.h"
  25
  26 struct sclassic_snum {
  27         int snum;
  28 };
  29
  30 static NTSTATUS sclassic_init(TALLOC_CTX *mem_ctx, const struct share_ops *ops, 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 = NULL;
  40
  41         return NT_STATUS_OK;
  42 }
  43
  44 static const char *sclassic_string_option(struct share_config *scfg, const char *opt_name, const char *defval)
  45 {
  46         struct sclassic_snum *s = talloc_get_type(scfg->opaque, struct sclassic_snum);
  47         char *parm, *val;
  48         const char *ret;
  49
  50         if (strchr(opt_name, ':')) {
  51                 parm = talloc_strdup(scfg, opt_name);
  52                 if (!parm) {
  53                         return NULL;
  54                 }
  55                 val = strchr(parm, ':');
  56                 *val = '\0';
  57                 val++;
  58
  59                 ret = lp_parm_string(s->snum, parm, val);
  60                 if (!ret) {
  61                         ret = defval;
  62                 }
  63                 talloc_free(parm);
  64                 return ret;
  65         }
  66
  67         if (strcmp(opt_name, SHARE_NAME) == 0) {
  68                 return scfg->name;
  69         }
  70
  71         if (strcmp(opt_name, SHARE_PATH) == 0) {
  72                 return lp_pathname(s->snum);
  73         }
  74
  75         if (strcmp(opt_name, SHARE_COMMENT) == 0) {
  76                 return lp_comment(s->snum);
  77         }
  78
  79         if (strcmp(opt_name, SHARE_VOLUME) == 0) {
  80                 return volume_label(s->snum);
  81         }
  82
  83         if (strcmp(opt_name, SHARE_TYPE) == 0) {
  84                 if (lp_print_ok(s->snum)) {
  85                         return "PRINTER";
  86                 }
  87                 if (strcmp("NTFS", lp_fstype(s->snum)) == 0) {
  88                         return "DISK";
  89                 }
  90                 return lp_fstype(s->snum);
  91         }
  92
  93         return defval;
  94 }
  95
  96 int sclassic_int_option(struct share_config *scfg, const char *opt_name, int defval)
  97 {
  98         struct sclassic_snum *s = talloc_get_type(scfg->opaque, struct sclassic_snum);
  99         char *parm, *val;
 100         int ret;
 101
 102         if (strchr(opt_name, ':')) {
 103                 parm = talloc_strdup(scfg, opt_name);
 104                 if (!parm) {
 105                         return -1;
 106                 }
 107                 val = strchr(parm, ':');
 108                 *val = '\0';
 109                 val++;
 110
 111                 ret = lp_parm_int(s->snum, parm, val, defval);
 112                 if (!ret) {
 113                         ret = defval;
 114                 }
 115                 talloc_free(parm);
 116                 return ret;
 117         }
 118
 119         if (strcmp(opt_name, SHARE_CSC_POLICY) == 0) {
 120                 ret = lp_csc_policy(s->snum);
 121                 if (ret == -1) {
 122                         return defval;
 123                 }
 124         }
 125
 126         if (strcmp(opt_name, SHARE_MAX_CONNECTIONS) == 0) {
 127                 ret = lp_max_connections(s->snum);
 128                 if (ret == -1) {
 129                         return defval;
 130                 }
 131         }
 132
 133         return defval;
 134 }
 135
 136 BOOL sclassic_bool_option(struct share_config *scfg, const char *opt_name, BOOL defval)
 137 {
 138         struct sclassic_snum *s = talloc_get_type(scfg->opaque, struct sclassic_snum);
 139         char *parm, *val;
 140         BOOL ret;
 141
 142         if (strchr(opt_name, ':')) {
 143                 parm = talloc_strdup(scfg, opt_name);
 144                 if(!parm) {
 145                         return False;
 146                 }
 147                 val = strchr(parm, ':');
 148                 *val = '\0';
 149                 val++;
 150
 151                 ret = lp_parm_bool(s->snum, parm, val, defval);
 152                 talloc_free(parm);
 153                 return ret;
 154         }
 155
 156         if (strcmp(opt_name, SHARE_AVAILABLE) == 0) {
 157                 return lp_snum_ok(s->snum);
 158         }
 159
 160         if (strcmp(opt_name, SHARE_BROWSEABLE) == 0) {
 161                 return lp_browseable(s->snum);
 162         }
 163
 164         if (strcmp(opt_name, SHARE_READONLY) == 0) {
 165                 return lp_readonly(s->snum);
 166         }
 167
 168         if (strcmp(opt_name, SHARE_MAP_SYSTEM) == 0) {
 169                 return lp_map_system(s->snum);
 170         }
 171
 172         if (strcmp(opt_name, SHARE_MAP_HIDDEN) == 0) {
 173                 return lp_map_hidden(s->snum);
 174         }
 175
 176         if (strcmp(opt_name, SHARE_MAP_ARCHIVE) == 0) {
 177                 return lp_map_archive(s->snum);
 178         }
 179
 180         if (strcmp(opt_name, SHARE_STRICT_LOCKING) == 0) {
 181                 return lp_strict_locking(s->snum);
 182         }
 183
 184         if (strcmp(opt_name, SHARE_STRICT_SYNC) == 0) {
 185                 return lp_strict_sync(s->snum);
 186         }
 187
 188         if (strcmp(opt_name, SHARE_MSDFS_ROOT) == 0) {
 189                 return lp_msdfs_root(s->snum);
 190         }
 191
 192         if (strcmp(opt_name, SHARE_CI_FILESYSTEM) == 0) {
 193                 return lp_ci_filesystem(s->snum);
 194         }
 195
 196         return defval;
 197 }
 198
 199 const char **sclassic_string_list_option(TALLOC_CTX *mem_ctx, struct share_config *scfg, const char *opt_name)
 200 {
 201         struct sclassic_snum *s = talloc_get_type(scfg->opaque, struct sclassic_snum);
 202         char *parm, *val;
 203         const char **ret;
 204
 205         if (strchr(opt_name, ':')) {
 206                 parm = talloc_strdup(scfg, opt_name);
 207                 if (!parm) {
 208                         return NULL;
 209                 }
 210                 val = strchr(parm, ':');
 211                 *val = '\0';
 212                 val++;
 213
 214                 ret = lp_parm_string_list(s->snum, parm, val, ",;");
 215                 talloc_free(parm);
 216                 return ret;
 217         }
 218
 219         if (strcmp(opt_name, SHARE_HOSTS_ALLOW) == 0) {
 220                 return lp_hostsallow(s->snum);
 221         }
 222
 223         if (strcmp(opt_name, SHARE_HOSTS_DENY) == 0) {
 224                 return lp_hostsdeny(s->snum);
 225         }
 226
 227         if (strcmp(opt_name, SHARE_NTVFS_HANDLER) == 0) {
 228                 return lp_ntvfs_handler(s->snum);
 229         }
 230
 231         return NULL;
 232 }
 233
 234 NTSTATUS sclassic_list_all(TALLOC_CTX *mem_ctx,
 235                                      struct share_context *ctx,
 236                                      int *count,
 237                                      const char ***names)
 238 {
 239         int i;
 240         int num_services;
 241         const char **n;
 242
 243         num_services = lp_numservices();
 244
 245         n = talloc_array(mem_ctx, const char *, num_services);
 246         if (!n) {
 247                 DEBUG(0,("ERROR: Out of memory!\n"));
 248                 return NT_STATUS_NO_MEMORY;
 249         }
 250
 251         for (i = 0; i < num_services; i++) {
 252                 n[i] = talloc_strdup(n, lp_servicename(i));
 253                 if (!n[i]) {
 254                         DEBUG(0,("ERROR: Out of memory!\n"));
 255                         talloc_free(n);
 256                         return NT_STATUS_NO_MEMORY;
 257                 }
 258         }
 259
 260         *names = n;
 261         *count = num_services;
 262
 263         return NT_STATUS_OK;
 264 }
 265
 266 NTSTATUS sclassic_get_config(TALLOC_CTX *mem_ctx,
 267                              struct share_context *ctx,
 268                              const char *name,
 269                              struct share_config **scfg)
 270 {
 271         int i, snum;
 272         struct share_config *s;
 273         struct sclassic_snum *scnum;
 274
 275         snum = -1;
 276         for (i = 0; i < lp_numservices(); i++) {
 277                 if (strcasecmp_m(name, lp_servicename(i)) == 0) {
 278                         snum = i;
 279                         break;
 280                 }
 281         }
 282
 283         if (snum < 0) {
 284                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 285         }
 286
 287         s = talloc(mem_ctx, struct share_config);
 288         if (!s) {
 289                 DEBUG(0,("ERROR: Out of memory!\n"));
 290                 return NT_STATUS_NO_MEMORY;
 291         }
 292
 293         s->name = talloc_strdup(s, lp_servicename(snum));
 294         if (!s->name) {
 295                 DEBUG(0,("ERROR: Out of memory!\n"));
 296                 talloc_free(s);
 297                 return NT_STATUS_NO_MEMORY;
 298         }
 299
 300         scnum = talloc(s, struct sclassic_snum);
 301         if (!scnum) {
 302                 DEBUG(0,("ERROR: Out of memory!\n"));
 303                 talloc_free(s);
 304                 return NT_STATUS_NO_MEMORY;
 305         }
 306         scnum->snum = snum;
 307
 308         s->opaque = (void *)scnum;
 309         s->ctx = ctx;
 310
 311         *scfg = s;
 312
 313         return NT_STATUS_OK;
 314 }
 315
 316 NTSTATUS share_classic_init(void)
 317 {
 318         static struct share_ops ops = {
 319                 .name = "classic",
 320                 .init = sclassic_init,
 321                 .string_option = sclassic_string_option,
 322                 .int_option = sclassic_int_option,
 323                 .bool_option = sclassic_bool_option,
 324                 .string_list_option = sclassic_string_list_option,
 325                 .list_all = sclassic_list_all,
 326                 .get_config = sclassic_get_config
 327         };
 328
 329         return share_register(&ops);
 330 }
 331