source4/utils/ad2oLschema.c

   1 /*
   2    ldb database library
   3
   4    Copyright (C) Andrew Bartlett 2006-2008
   5
   6      ** NOTE! The following LGPL license applies to the ldb
   7      ** library. This does NOT imply that all of Samba is released
   8      ** under the LGPL
   9
  10    This library is free software; you can redistribute it and/or
  11    modify it under the terms of the GNU Lesser General Public
  12    License as published by the Free Software Foundation; either
  13    version 3 of the License, or (at your option) any later version.
  14
  15    This library is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18    Lesser General Public License for more details.
  19
  20    You should have received a copy of the GNU Lesser General Public
  21    License along with this library; if not, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24 /*
  25  *  Name: ldb
  26  *
  27  *  Component: ad2oLschema
  28  *
  29  *  Description: utility to convert an AD schema into the format required by OpenLDAP
  30  *
  31  *  Author: Andrew Bartlett
  32  */
  33
  34 #include "includes.h"
  35 #include "ldb_includes.h"
  36 #include "system/locale.h"
  37 #include "lib/ldb/tools/cmdline.h"
  38 #include "param/param.h"
  39 #include "lib/cmdline/popt_common.h"
  40 #include "dsdb/samdb/samdb.h"
  41
  42 struct schema_conv {
  43         int count;
  44         int skipped;
  45         int failures;
  46 };
  47
  48
  49 static void usage(void)
  50 {
  51         printf("Usage: ad2oLschema <options>\n");
  52         printf("\nConvert AD-like LDIF to OpenLDAP schema format\n\n");
  53         printf("Options:\n");
  54         printf("  -I inputfile     inputfile of mapped OIDs and skipped attributes/ObjectClasses");
  55         printf("  -H url           LDB or LDAP server to read schmea from\n");
  56         printf("  -O outputfile    outputfile otherwise STDOUT\n");
  57         printf("  -o options       pass options like modules to activate\n");
  58         printf("              e.g: -o modules:timestamps\n");
  59         printf("\n");
  60         printf("Converts records from an AD-like LDIF schema into an openLdap formatted schema\n\n");
  61         exit(1);
  62 }
  63
  64 static struct ldb_dn *find_schema_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
  65 {
  66         const char *rootdse_attrs[] = {"schemaNamingContext", NULL};
  67         struct ldb_dn *schemadn;
  68         struct ldb_dn *basedn = ldb_dn_new(mem_ctx, ldb, NULL);
  69         struct ldb_result *rootdse_res;
  70         struct ldb_result *schema_res;
  71         int ldb_ret;
  72
  73         if (!basedn) {
  74                 return NULL;
  75         }
  76
  77         /* Search for rootdse */
  78         ldb_ret = ldb_search(ldb, basedn, LDB_SCOPE_BASE, NULL, rootdse_attrs, &rootdse_res);
  79         if (ldb_ret != LDB_SUCCESS) {
  80                 ldb_ret = ldb_search(ldb, basedn, LDB_SCOPE_SUBTREE,
  81                                  "(&(objectClass=dMD)(cn=Schema))",
  82                                  NULL, &schema_res);
  83                 if (ldb_ret) {
  84                         printf("cn=Schema Search failed: %s\n", ldb_errstring(ldb));
  85                         return NULL;
  86                 }
  87
  88                 talloc_steal(mem_ctx, schema_res);
  89
  90                 if (schema_res->count != 1) {
  91                         talloc_free(schema_res);
  92                         printf("Failed to find rootDSE");
  93                         return NULL;
  94                 }
  95
  96                 schemadn = talloc_steal(mem_ctx, schema_res->msgs[0]->dn);
  97                 talloc_free(schema_res);
  98                 return schemadn;
  99         }
 100
 101         if (rootdse_res->count != 1) {
 102                 printf("Failed to find rootDSE");
 103                 talloc_free(rootdse_res);
 104                 return NULL;
 105         }
 106
 107         /* Locate schema */
 108         schemadn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, rootdse_res->msgs[0], "schemaNamingContext");
 109         talloc_free(rootdse_res);
 110
 111         if (!schemadn) {
 112                 return NULL;
 113         }
 114
 115         return schemadn;
 116 }
 117
 118
 119 static struct schema_conv process_convert(struct ldb_context *ldb, enum dsdb_schema_convert_target target, FILE *in, FILE *out)
 120 {
 121         /* Read list of attributes to skip, OIDs to map */
 122         TALLOC_CTX *mem_ctx = talloc_new(ldb);
 123         char *line;
 124         const char **attrs_skip = NULL;
 125         int num_skip = 0;
 126         struct oid_map {
 127                 char *old_oid;
 128                 char *new_oid;
 129         } *oid_map = NULL;
 130         int num_oid_maps = 0;
 131         struct attr_map {
 132                 char *old_attr;
 133                 char *new_attr;
 134         } *attr_map = NULL;
 135         int num_attr_maps = 0;
 136         struct dsdb_class *objectclass;
 137         struct dsdb_attribute *attribute;
 138         struct ldb_dn *schemadn;
 139         struct schema_conv ret;
 140         struct dsdb_schema *schema;
 141         const char *seperator;
 142         char *error_string;
 143
 144         int ldb_ret;
 145
 146         ret.count = 0;
 147         ret.skipped = 0;
 148         ret.failures = 0;
 149
 150         while ((line = afdgets(fileno(in), mem_ctx, 0))) {
 151                 /* Blank Line */
 152                 if (line[0] == '\0') {
 153                         continue;
 154                 }
 155                 /* Comment */
 156                 if (line[0] == '#') {
 157                         continue;
 158                 }
 159                 if (isdigit(line[0])) {
 160                         char *p = strchr(line, ':');
 161                         if (!p) {
 162                                 ret.failures++;
 163                                 return ret;
 164                         }
 165                         p[0] = '\0';
 166                         p++;
 167                         oid_map = talloc_realloc(mem_ctx, oid_map, struct oid_map, num_oid_maps + 2);
 168                         trim_string(line, " ", " ");
 169                         oid_map[num_oid_maps].old_oid = talloc_move(oid_map, &line);
 170                         trim_string(p, " ", " ");
 171                         oid_map[num_oid_maps].new_oid = p;
 172                         num_oid_maps++;
 173                         oid_map[num_oid_maps].old_oid = NULL;
 174                 } else {
 175                         char *p = strchr(line, ':');
 176                         if (p) {
 177                                 /* remap attribute/objectClass */
 178                                 p[0] = '\0';
 179                                 p++;
 180                                 attr_map = talloc_realloc(mem_ctx, attr_map, struct attr_map, num_attr_maps + 2);
 181                                 trim_string(line, " ", " ");
 182                                 attr_map[num_attr_maps].old_attr = talloc_move(attr_map, &line);
 183                                 trim_string(p, " ", " ");
 184                                 attr_map[num_attr_maps].new_attr = p;
 185                                 num_attr_maps++;
 186                                 attr_map[num_attr_maps].old_attr = NULL;
 187                         } else {
 188                                 /* skip attribute/objectClass */
 189                                 attrs_skip = talloc_realloc(mem_ctx, attrs_skip, const char *, num_skip + 2);
 190                                 trim_string(line, " ", " ");
 191                                 attrs_skip[num_skip] = talloc_move(attrs_skip, &line);
 192                                 num_skip++;
 193                                 attrs_skip[num_skip] = NULL;
 194                         }
 195                 }
 196         }
 197
 198         schemadn = find_schema_dn(ldb, mem_ctx);
 199         if (!schemadn) {
 200                 printf("Failed to find schema DN: %s\n", ldb_errstring(ldb));
 201                 ret.failures = 1;
 202                 return ret;
 203         }
 204
 205         ldb_ret = dsdb_schema_from_schema_dn(mem_ctx, ldb,
 206                                              lp_iconv_convenience(cmdline_lp_ctx),
 207                                              schemadn, &schema, &error_string);
 208         if (ldb_ret != LDB_SUCCESS) {
 209                 printf("Failed to load schema: %s\n", error_string);
 210                 ret.failures = 1;
 211                 return ret;
 212         }
 213
 214         switch (target) {
 215         case TARGET_OPENLDAP:
 216                 seperator = "\n  ";
 217                 break;
 218         case TARGET_FEDORA_DS:
 219                 seperator = "\n  ";
 220                 fprintf(out, "dn: cn=schema\n");
 221                 break;
 222         }
 223
 224         for (attribute=schema->attributes; attribute; attribute = attribute->next) {
 225                 const char *name = attribute->lDAPDisplayName;
 226                 const char *description = attribute->adminDescription;
 227                 const char *oid = attribute->attributeID_oid;
 228                 const char *syntax = attribute->attributeSyntax_oid;
 229                 const char *equality = NULL, *substring = NULL;
 230                 bool single_value = attribute->isSingleValued;
 231
 232                 const struct dsdb_syntax *map = find_syntax_map_by_ad_syntax(attribute->oMSyntax);
 233                 char *schema_entry = NULL;
 234                 int j;
 235
 236                 /* We have been asked to skip some attributes/objectClasses */
 237                 if (attrs_skip && str_list_check_ci(attrs_skip, name)) {
 238                         ret.skipped++;
 239                         continue;
 240                 }
 241
 242                 /* We might have been asked to remap this oid, due to a conflict */
 243                 for (j=0; oid && oid_map && oid_map[j].old_oid; j++) {
 244                         if (strcasecmp(oid, oid_map[j].old_oid) == 0) {
 245                                 oid =  oid_map[j].new_oid;
 246                                 break;
 247                         }
 248                 }
 249
 250                 if (map) {
 251                         /* We might have been asked to remap this oid,
 252                          * due to a conflict, or lack of
 253                          * implementation */
 254                         syntax = map->ldap_oid;
 255                         /* We might have been asked to remap this oid, due to a conflict */
 256                         for (j=0; syntax && oid_map && oid_map[j].old_oid; j++) {
 257                                 if (strcasecmp(syntax, oid_map[j].old_oid) == 0) {
 258                                         syntax =  oid_map[j].new_oid;
 259                                         break;
 260                                 }
 261                         }
 262
 263                         equality = map->equality;
 264                         substring = map->substring;
 265                 }
 266
 267                 /* We might have been asked to remap this name, due to a conflict */
 268                 for (j=0; name && attr_map && attr_map[j].old_attr; j++) {
 269                         if (strcasecmp(name, attr_map[j].old_attr) == 0) {
 270                                 name =  attr_map[j].new_attr;
 271                                 break;
 272                         }
 273                 }
 274
 275                 schema_entry = schema_attribute_description(mem_ctx, target, seperator, oid, name, description, equality, substring, syntax, single_value, false);
 276
 277                 if (schema_entry == NULL) {
 278                         ret.failures++;
 279                         return ret;
 280                 }
 281
 282                 switch (target) {
 283                 case TARGET_OPENLDAP:
 284                         fprintf(out, "attributetype %s\n\n", schema_entry);
 285                         break;
 286                 case TARGET_FEDORA_DS:
 287                         fprintf(out, "attributeTypes: %s\n", schema_entry);
 288                         break;
 289                 }
 290                 ret.count++;
 291         }
 292
 293         /* This is already sorted to have 'top' and similar classes first */
 294         for (objectclass=schema->classes; objectclass; objectclass = objectclass->next) {
 295                 const char *name = objectclass->lDAPDisplayName;
 296                 const char *description = objectclass->adminDescription;
 297                 const char *oid = objectclass->governsID_oid;
 298                 const char *subClassOf = objectclass->subClassOf;
 299                 int objectClassCategory = objectclass->objectClassCategory;
 300                 char **must;
 301                 char **may;
 302                 char *schema_entry = NULL;
 303                 const char *objectclass_name_as_list[] = {
 304                         objectclass->lDAPDisplayName,
 305                         NULL
 306                 };
 307                 int j;
 308                 int attr_idx;
 309
 310                 /* We have been asked to skip some attributes/objectClasses */
 311                 if (attrs_skip && str_list_check_ci(attrs_skip, name)) {
 312                         ret.skipped++;
 313                         continue;
 314                 }
 315
 316                 /* We might have been asked to remap this oid, due to a conflict */
 317                 for (j=0; oid_map && oid_map[j].old_oid; j++) {
 318                         if (strcasecmp(oid, oid_map[j].old_oid) == 0) {
 319                                 oid =  oid_map[j].new_oid;
 320                                 break;
 321                         }
 322                 }
 323
 324                 /* We might have been asked to remap this name, due to a conflict */
 325                 for (j=0; name && attr_map && attr_map[j].old_attr; j++) {
 326                         if (strcasecmp(name, attr_map[j].old_attr) == 0) {
 327                                 name =  attr_map[j].new_attr;
 328                                 break;
 329                         }
 330                 }
 331
 332                 may = dsdb_full_attribute_list(mem_ctx, schema, objectclass_name_as_list, DSDB_SCHEMA_ALL_MAY);
 333
 334                 for (j=0; may && may[j]; j++) {
 335                         /* We might have been asked to remap this name, due to a conflict */
 336                         for (attr_idx=0; attr_map && attr_map[attr_idx].old_attr; attr_idx++) {
 337                                 if (strcasecmp(may[j], attr_map[attr_idx].old_attr) == 0) {
 338                                         may[j] =  attr_map[attr_idx].new_attr;
 339                                         break;
 340                                 }
 341                         }
 342                 }
 343
 344                 must = dsdb_full_attribute_list(mem_ctx, schema, objectclass_name_as_list, DSDB_SCHEMA_ALL_MUST);
 345
 346                 for (j=0; must && must[j]; j++) {
 347                         /* We might have been asked to remap this name, due to a conflict */
 348                         for (attr_idx=0; attr_map && attr_map[attr_idx].old_attr; attr_idx++) {
 349                                 if (strcasecmp(must[j], attr_map[attr_idx].old_attr) == 0) {
 350                                         must[j] =  attr_map[attr_idx].new_attr;
 351                                         break;
 352                                 }
 353                         }
 354                 }
 355
 356                 schema_entry = schema_class_description(mem_ctx, target,
 357                                                         seperator,
 358                                                         oid,
 359                                                         name,
 360                                                         NULL,
 361                                                         description,
 362                                                         subClassOf,
 363                                                         objectClassCategory,
 364                                                         must,
 365                                                         may);
 366                 if (schema_entry == NULL) {
 367                         ret.failures++;
 368                         return ret;
 369                 }
 370
 371                 switch (target) {
 372                 case TARGET_OPENLDAP:
 373                         fprintf(out, "objectclass %s\n\n", schema_entry);
 374                         break;
 375                 case TARGET_FEDORA_DS:
 376                         fprintf(out, "objectClasses: %s\n", schema_entry);
 377                         break;
 378                 }
 379                 ret.count++;
 380         }
 381
 382         return ret;
 383 }
 384
 385  int main(int argc, const char **argv)
 386 {
 387         TALLOC_CTX *ctx;
 388         struct ldb_cmdline *options;
 389         FILE *in = stdin;
 390         FILE *out = stdout;
 391         struct ldb_context *ldb;
 392         struct schema_conv ret;
 393         const char *target_str;
 394         enum dsdb_schema_convert_target target;
 395
 396         ctx = talloc_new(NULL);
 397         ldb = ldb_init(ctx, NULL);
 398
 399         options = ldb_cmdline_process(ldb, argc, argv, usage);
 400
 401         if (options->input) {
 402                 in = fopen(options->input, "r");
 403                 if (!in) {
 404                         perror(options->input);
 405                         exit(1);
 406                 }
 407         }
 408         if (options->output) {
 409                 out = fopen(options->output, "w");
 410                 if (!out) {
 411                         perror(options->output);
 412                         exit(1);
 413                 }
 414         }
 415
 416         target_str = lp_parm_string(cmdline_lp_ctx, NULL, "convert", "target");
 417
 418         if (!target_str || strcasecmp(target_str, "openldap") == 0) {
 419                 target = TARGET_OPENLDAP;
 420         } else if (strcasecmp(target_str, "fedora-ds") == 0) {
 421                 target = TARGET_FEDORA_DS;
 422         } else {
 423                 printf("Unsupported target: %s\n", target_str);
 424                 exit(1);
 425         }
 426
 427         ret = process_convert(ldb, target, in, out);
 428
 429         fclose(in);
 430         fclose(out);
 431
 432         printf("Converted %d records (skipped %d) with %d failures\n", ret.count, ret.skipped, ret.failures);
 433
 434         return 0;
 435 }