diff options
Diffstat (limited to 'source4/dsdb/common/util.c')
| -rw-r--r-- | source4/dsdb/common/util.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/source4/dsdb/common/util.c b/source4/dsdb/common/util.c index 39fdfe94a5..1fe5979c69 100644 --- a/source4/dsdb/common/util.c +++ b/source4/dsdb/common/util.c @@ -1433,6 +1433,63 @@ struct ldb_dn *samdb_server_site_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx } /* + * This works out if we are running on a supported forest/domain function + * level. Basically this means that we don't support mixed/interim (NT 4 DC + * support) levels. + * If errmsg isn't NULL we write in an adequate error message for printing out + * to the screen. + */ +bool samdb_is_capable_dc(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, + char **errmsg) +{ + int32_t level_forest, level_domain, level_domain_mixed; + bool ret = true; + + level_forest = (int32_t) samdb_search_int64(ldb, mem_ctx, -1, + samdb_partitions_dn(ldb, mem_ctx), "msDS-Behavior-Version", + NULL); + level_domain = (int32_t) samdb_search_int64(ldb, mem_ctx, -1, + samdb_base_dn(ldb), "msDS-Behavior-Version", NULL); + level_domain_mixed = (int32_t) samdb_search_int64(ldb, mem_ctx, -1, + samdb_base_dn(ldb), "nTMixedDomain", NULL); + + if (errmsg != NULL) + *errmsg = talloc_asprintf(mem_ctx, ""); + + if (level_forest == -1 || level_domain == -1 || level_domain_mixed == -1) { + ret = false; + if (errmsg != NULL) + *errmsg = talloc_strdup_append(*errmsg, + "\nATTENTION: Invalid values for forest and/or domain function level!" + ); + } + + if (level_forest == DS_DOMAIN_FUNCTION_2003_MIXED) { + ret = false; + if (errmsg != NULL) + *errmsg = talloc_strdup_append(*errmsg, + "\nATTENTION: You run SAMBA 4 on the 2003 with mixed domains (NT4 DC support) forest level. This isn't supported!" + ); + } + if ((level_domain == DS_DOMAIN_FUNCTION_2000 && level_domain_mixed != 0) + || level_domain == DS_DOMAIN_FUNCTION_2003_MIXED) { + ret = false; + if (errmsg != NULL) + *errmsg = talloc_strdup_append(*errmsg, + "\nATTENTION: You run SAMBA 4 on a mixed/interim (NT4 DC support) domain level. This isn't supported!" + ); + } + + if ((!ret) && (errmsg != NULL)) { + *errmsg = talloc_strdup_append(*errmsg, + "\nPlease raise the domain and/or forest level to an adequate value. Use for this the 'domainlevel' tool, the MS AD MMC tools or manipulate the needed attributes directly." + ); + } + + return ret; +} + +/* work out if we are the PDC for the domain of the current open ldb */ bool samdb_is_pdc(struct ldb_context *ldb) |