1 files changed, 136 insertions, 0 deletions
diff --git a/source3/lib/util_reg_api.c b/source3/lib/util_reg_api.c
new file mode 100644
index 0000000000..aad53e8e7c
--- /dev/null
+++ b/source3/lib/util_reg_api.c
@@ -0,0 +1,136 @@
+/*
+ * Unix SMB/CIFS implementation.
+ * Registry helper routines
+ * Copyright (C) Volker Lendecke 2006
+ * 
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ * 
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 675
+ * Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "includes.h"
+
+WERROR registry_pull_value(TALLOC_CTX *mem_ctx,
+			   struct registry_value **pvalue,
+			   enum winreg_Type type, uint8 *data,
+			   uint32 size, uint32 length)
+{
+	struct registry_value *value;
+	WERROR err;
+
+	if (!(value = TALLOC_ZERO_P(mem_ctx, struct registry_value))) {
+		return WERR_NOMEM;
+	}
+
+	value->type = type;
+
+	switch (type) {
+	case REG_DWORD:
+		if ((size != 4) || (length != 4)) {
+			err = WERR_INVALID_PARAM;
+			goto error;
+		}
+		value->v.dword = IVAL(data, 0);
+		break;
+	case REG_SZ:
+	case REG_EXPAND_SZ:
+	{
+		/*
+		 * Make sure we get a NULL terminated string for
+		 * convert_string_talloc().
+		 */
+
+		smb_ucs2_t *tmp;
+		uint32 num_ucs2 = length / 2;
+
+		if ((length % 2) != 0) {
+			err = WERR_INVALID_PARAM;
+			goto error;
+		}
+
+		if (!(tmp = SMB_MALLOC_ARRAY(smb_ucs2_t, num_ucs2+1))) {
+			err = WERR_NOMEM;
+			goto error;
+		}
+
+		memcpy((void *)tmp, (const void *)data, length);
+		tmp[num_ucs2] = 0;
+
+		value->v.sz.len = convert_string_talloc(
+			value, CH_UTF16LE, CH_UNIX, tmp, length+2,
+			&value->v.sz.str, False);
+
+		SAFE_FREE(tmp);
+
+		if (value->v.sz.len == (size_t)-1) {
+			err = WERR_INVALID_PARAM;
+			goto error;
+		}
+		break;
+	}
+	case REG_MULTI_SZ:
+		err = reg_pull_multi_sz(value, (void *)data, length,
+					&value->v.multi_sz.num_strings,
+					&value->v.multi_sz.strings);
+		if (!(W_ERROR_IS_OK(err))) {
+			goto error;
+		}
+		break;
+	case REG_BINARY:
+		value->v.binary.data = talloc_move(value, &data);
+		value->v.binary.length = length;
+		break;
+	default:
+		err = WERR_INVALID_PARAM;
+		goto error;
+	}
+
+	*pvalue = value;
+	return WERR_OK;
+
+ error:
+	TALLOC_FREE(value);
+	return err;
+}
+
+WERROR registry_push_value(TALLOC_CTX *mem_ctx,
+			   const struct registry_value *value,
+			   DATA_BLOB *presult)
+{
+	switch (value->type) {
+	case REG_DWORD: {
+		char buf[4];
+		SIVAL(buf, 0, value->v.dword);
+		*presult = data_blob_talloc(mem_ctx, (void *)buf, 4);
+		if (presult->data == NULL) {
+			return WERR_NOMEM;
+		}
+		break;
+	}
+	case REG_SZ:
+	case REG_EXPAND_SZ: {
+		presult->length = convert_string_talloc(
+			mem_ctx, CH_UNIX, CH_UTF16LE, value->v.sz.str,
+			MIN(value->v.sz.len, strlen(value->v.sz.str)+1),
+			(void *)&(presult->data), False);
+		if (presult->length == (size_t)-1) {
+			return WERR_NOMEM;
+		}
+		break;
+	}
+	default:
+		return WERR_INVALID_PARAM;
+	}
+
+	return WERR_OK;
+}