diff options
Diffstat (limited to 'source3/libnet/libnet_samsync.c')
| -rw-r--r-- | source3/libnet/libnet_samsync.c | 164 |
1 files changed, 7 insertions, 157 deletions
diff --git a/source3/libnet/libnet_samsync.c b/source3/libnet/libnet_samsync.c index b89f4efaf5..8928f1c052 100644 --- a/source3/libnet/libnet_samsync.c +++ b/source3/libnet/libnet_samsync.c @@ -24,163 +24,16 @@ #include "includes.h" #include "libnet/libnet.h" #include "../lib/crypto/crypto.h" +#include "../libcli/samsync/samsync.h" #include "../libcli/auth/libcli_auth.h" /** - * Decrypt and extract the user's passwords. - * - * The writes decrypted (no longer 'RID encrypted' or arcfour encrypted) - * passwords back into the structure - */ - -static NTSTATUS fix_user(TALLOC_CTX *mem_ctx, - DATA_BLOB *session_key, - enum netr_SamDatabaseID database_id, - struct netr_DELTA_ENUM *delta) -{ - - uint32_t rid = delta->delta_id_union.rid; - struct netr_DELTA_USER *user = delta->delta_union.user; - struct samr_Password lm_hash; - struct samr_Password nt_hash; - unsigned char zero_buf[16]; - - memset(zero_buf, '\0', sizeof(zero_buf)); - - /* Note that win2000 may send us all zeros - * for the hashes if it doesn't - * think this channel is secure enough. */ - if (user->lm_password_present) { - if (memcmp(user->lmpassword.hash, zero_buf, 16) != 0) { - sam_rid_crypt(rid, user->lmpassword.hash, lm_hash.hash, 0); - } else { - memset(lm_hash.hash, '\0', sizeof(lm_hash.hash)); - } - user->lmpassword = lm_hash; - } - - if (user->nt_password_present) { - if (memcmp(user->ntpassword.hash, zero_buf, 16) != 0) { - sam_rid_crypt(rid, user->ntpassword.hash, nt_hash.hash, 0); - } else { - memset(nt_hash.hash, '\0', sizeof(nt_hash.hash)); - } - user->ntpassword = nt_hash; - } - - if (user->user_private_info.SensitiveData) { - DATA_BLOB data; - struct netr_USER_KEYS keys; - enum ndr_err_code ndr_err; - data.data = user->user_private_info.SensitiveData; - data.length = user->user_private_info.DataLength; - arcfour_crypt_blob(data.data, data.length, session_key); - user->user_private_info.SensitiveData = data.data; - user->user_private_info.DataLength = data.length; - - ndr_err = ndr_pull_struct_blob(&data, mem_ctx, NULL, &keys, - (ndr_pull_flags_fn_t)ndr_pull_netr_USER_KEYS); - if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { - dump_data(10, data.data, data.length); - return ndr_map_error2ntstatus(ndr_err); - } - - /* Note that win2000 may send us all zeros - * for the hashes if it doesn't - * think this channel is secure enough. */ - if (keys.keys.keys2.lmpassword.length == 16) { - if (memcmp(keys.keys.keys2.lmpassword.pwd.hash, - zero_buf, 16) != 0) { - sam_rid_crypt(rid, - keys.keys.keys2.lmpassword.pwd.hash, - lm_hash.hash, 0); - } else { - memset(lm_hash.hash, '\0', sizeof(lm_hash.hash)); - } - user->lmpassword = lm_hash; - user->lm_password_present = true; - } - if (keys.keys.keys2.ntpassword.length == 16) { - if (memcmp(keys.keys.keys2.ntpassword.pwd.hash, - zero_buf, 16) != 0) { - sam_rid_crypt(rid, - keys.keys.keys2.ntpassword.pwd.hash, - nt_hash.hash, 0); - } else { - memset(nt_hash.hash, '\0', sizeof(nt_hash.hash)); - } - user->ntpassword = nt_hash; - user->nt_password_present = true; - } - /* TODO: rid decrypt history fields */ - } - return NT_STATUS_OK; -} - -/** - * Decrypt and extract the secrets - * - * The writes decrypted secrets back into the structure - */ -static NTSTATUS fix_secret(TALLOC_CTX *mem_ctx, - DATA_BLOB *session_key, - enum netr_SamDatabaseID database_id, - struct netr_DELTA_ENUM *delta) -{ - struct netr_DELTA_SECRET *secret = delta->delta_union.secret; - - arcfour_crypt_blob(secret->current_cipher.cipher_data, - secret->current_cipher.maxlen, - session_key); - - arcfour_crypt_blob(secret->old_cipher.cipher_data, - secret->old_cipher.maxlen, - session_key); - - return NT_STATUS_OK; -} - -/** - * Fix up the delta, dealing with encryption issues so that the final - * callback need only do the printing or application logic - */ - -static NTSTATUS samsync_fix_delta(TALLOC_CTX *mem_ctx, - DATA_BLOB *session_key, - enum netr_SamDatabaseID database_id, - struct netr_DELTA_ENUM *delta) -{ - NTSTATUS status = NT_STATUS_OK; - - switch (delta->delta_type) { - case NETR_DELTA_USER: - - status = fix_user(mem_ctx, - session_key, - database_id, - delta); - break; - case NETR_DELTA_SECRET: - - status = fix_secret(mem_ctx, - session_key, - database_id, - delta); - break; - default: - break; - } - - return status; -} - -/** * Fix up the delta, dealing with encryption issues so that the final * callback need only do the printing or application logic */ static NTSTATUS samsync_fix_delta_array(TALLOC_CTX *mem_ctx, - DATA_BLOB *session_key, + struct creds_CredentialState *creds, enum netr_SamDatabaseID database_id, struct netr_DELTA_ENUM_ARRAY *r) { @@ -190,7 +43,7 @@ static NTSTATUS samsync_fix_delta_array(TALLOC_CTX *mem_ctx, for (i = 0; i < r->num_deltas; i++) { status = samsync_fix_delta(mem_ctx, - session_key, + creds, database_id, &r->delta_enum[i]); if (!NT_STATUS_IS_OK(status)) { @@ -347,14 +200,13 @@ static NTSTATUS libnet_samsync_delta(TALLOC_CTX *mem_ctx, struct netr_Authenticator return_authenticator; uint16_t restart_state = 0; uint32_t sync_context = 0; - DATA_BLOB session_key; ZERO_STRUCT(return_authenticator); do { struct netr_DELTA_ENUM_ARRAY *delta_enum_array = NULL; - netlogon_creds_client_step(ctx->cli->dc, &credential); + creds_client_authenticator(ctx->cli->dc, &credential); if (ctx->single_object_replication && !ctx->force_full_replication) { @@ -395,8 +247,8 @@ static NTSTATUS libnet_samsync_delta(TALLOC_CTX *mem_ctx, } /* Check returned credentials. */ - if (!netlogon_creds_client_check(ctx->cli->dc, - &return_authenticator.cred)) { + if (!creds_client_check(ctx->cli->dc, + &return_authenticator.cred)) { DEBUG(0,("credentials chain check failed\n")); return NT_STATUS_ACCESS_DENIED; } @@ -405,10 +257,8 @@ static NTSTATUS libnet_samsync_delta(TALLOC_CTX *mem_ctx, break; } - session_key = data_blob_const(ctx->cli->dc->sess_key, 16); - samsync_fix_delta_array(mem_ctx, - &session_key, + ctx->cli->dc, database_id, delta_enum_array); |