diff options
Diffstat (limited to 'source4/lib/registry/reg_backend_nt4.c')
| -rw-r--r-- | source4/lib/registry/reg_backend_nt4.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/source4/lib/registry/reg_backend_nt4.c b/source4/lib/registry/reg_backend_nt4.c index e0f5ccd08c..b1c0d201f0 100644 --- a/source4/lib/registry/reg_backend_nt4.c +++ b/source4/lib/registry/reg_backend_nt4.c @@ -21,6 +21,7 @@ #include "registry.h" #include "system/filesys.h" #include "lib/registry/tdr_regf.h" +#include "librpc/gen_ndr/ndr_security.h" /* * Read HBIN blocks into memory @@ -251,6 +252,51 @@ static WERROR regf_get_subkey (TALLOC_CTX *ctx, struct registry_key *key, int id return WERR_OK; } +static WERROR regf_get_sec_desc(TALLOC_CTX *ctx, struct registry_key *key, struct security_descriptor **sd) +{ + struct nk_block *nk = key->backend_data; + struct tdr_pull *tdr; + struct sk_block sk; + DATA_BLOB data; + + data = regf_get_data(key->hive->backend_data, nk->sk_offset); + if (!data.data) { + DEBUG(0, ("Unable to find security descriptor\n")); + return WERR_GENERAL_FAILURE; + } + + tdr = talloc_zero(ctx, struct tdr_pull); + if (!tdr) + return WERR_NOMEM; + + tdr->data = data; + + if (NT_STATUS_IS_ERR(tdr_pull_sk_block(tdr, &sk))) { + DEBUG(0, ("Error parsing SK block\n")); + return WERR_GENERAL_FAILURE; + } + + if (strcmp(sk.header, "sk") != 0) { + DEBUG(0, ("Expected 'sk', got '%s'\n", sk.header)); + return WERR_GENERAL_FAILURE; + } + + *sd = talloc(ctx, struct security_descriptor); + if (!*sd) + return WERR_NOMEM; + + data.data = sk.sec_desc; + data.length = sk.rec_size; + if (NT_STATUS_IS_ERR(ndr_pull_struct_blob(&data, ctx, *sd, (ndr_pull_flags_fn_t)ndr_pull_security_descriptor))) { + DEBUG(0, ("Error parsing security descriptor\n")); + return WERR_GENERAL_FAILURE; + } + + talloc_free(tdr); + + return WERR_OK; +} + static WERROR nt_open_hive (struct registry_hive *h, struct registry_key **key) { struct regf_data *regf; @@ -342,6 +388,7 @@ static struct hive_operations reg_backend_nt4 = { .num_values = regf_num_values, .get_subkey_by_index = regf_get_subkey, .get_value_by_index = regf_get_value, + .key_get_sec_desc = regf_get_sec_desc, }; NTSTATUS registry_nt4_init(void) |