X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=tests%2Futils%2Fxml-utils%2Fvalidate_xml.cpp;fp=tests%2Futils%2Fxml-utils%2Fvalidate_xml.cpp;h=bb67e56e17edea75706b56c50ec072c49f2433be;hp=0000000000000000000000000000000000000000;hb=729c1fec5976af17fded2f026725a08ef1924290;hpb=488dbb6062973d4990a33284e4717d89a893339d

diff --git a/tests/utils/xml-utils/validate_xml.cpp b/tests/utils/xml-utils/validate_xml.cpp
new file mode 100644
index 000000000..bb67e56e1
--- /dev/null
+++ b/tests/utils/xml-utils/validate_xml.cpp
@@ -0,0 +1,189 @@
+/*
+ * Copyright (C) 2014 Jonathan Rajotte <jonathan.r.julien@gmail.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ */
+
+ /*
+  * This script validate and xml from an xsd.
+  * argv[1] Path of the xsd
+  * argv[2] Path to the XML to be validated
+  */
+
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <libxml/xmlschemas.h>
+#include <libxml/parser.h>
+
+#include <lttng/lttng-error.h>
+#include <common/macros.h>
+
+struct validation_ctx {
+	xmlSchemaParserCtxtPtr parser_ctx;
+	xmlSchemaPtr schema;
+	xmlSchemaValidCtxtPtr schema_validation_ctx;
+};
+
+enum command_err_code {
+	CMD_SUCCESS = 0,
+	CMD_ERROR
+};
+
+static
+void xml_error_handler(void *ctx, const char *format, ...)
+{
+	char *err_msg;
+	va_list args;
+	int ret;
+
+	va_start(args, format);
+	ret = vasprintf(&err_msg, format, args);
+	va_end(args);
+	if (ret == -1) {
+		fprintf(stderr, "ERR: %s\n",
+				"String allocation failed in xml error handle");
+		return;
+	}
+
+	fprintf(stderr, "XML Error: %s\n", err_msg);
+	free(err_msg);
+}
+
+static
+void fini_validation_ctx(
+	struct validation_ctx *ctx)
+{
+	if (ctx->parser_ctx) {
+		xmlSchemaFreeParserCtxt(ctx->parser_ctx);
+	}
+
+	if (ctx->schema) {
+		xmlSchemaFree(ctx->schema);
+	}
+
+	if (ctx->schema_validation_ctx) {
+		xmlSchemaFreeValidCtxt(ctx->schema_validation_ctx);
+	}
+
+	memset(ctx, 0, sizeof(struct validation_ctx));
+}
+
+static
+int init_validation_ctx(
+	struct validation_ctx *ctx, char *xsd_path)
+{
+	int ret;
+
+	if (!xsd_path) {
+		ret = -LTTNG_ERR_NOMEM;
+		goto end;
+	}
+
+	ctx->parser_ctx = xmlSchemaNewParserCtxt(xsd_path);
+	if (!ctx->parser_ctx) {
+		ret = -LTTNG_ERR_LOAD_INVALID_CONFIG;
+		goto end;
+	}
+	xmlSchemaSetParserErrors(ctx->parser_ctx, xml_error_handler,
+		xml_error_handler, NULL);
+
+	ctx->schema = xmlSchemaParse(ctx->parser_ctx);
+	if (!ctx->schema) {
+		ret = -LTTNG_ERR_LOAD_INVALID_CONFIG;
+		goto end;
+	}
+
+	ctx->schema_validation_ctx = xmlSchemaNewValidCtxt(ctx->schema);
+	if (!ctx->schema_validation_ctx) {
+		ret = -LTTNG_ERR_LOAD_INVALID_CONFIG;
+		goto end;
+	}
+
+	xmlSchemaSetValidErrors(ctx->schema_validation_ctx, xml_error_handler,
+			xml_error_handler, NULL);
+	ret = 0;
+
+end:
+	if (ret) {
+		fini_validation_ctx(ctx);
+	}
+	return ret;
+}
+
+static int validate_xml(const char *xml_file_path, struct validation_ctx *ctx)
+{
+	int ret;
+	xmlDocPtr doc = NULL;
+
+	LTTNG_ASSERT(xml_file_path);
+	LTTNG_ASSERT(ctx);
+
+	/* Open the document */
+	doc = xmlParseFile(xml_file_path);
+	if (!doc) {
+		ret = LTTNG_ERR_MI_IO_FAIL;
+		goto end;
+	}
+
+	/* Validate against the validation ctx (xsd) */
+	ret = xmlSchemaValidateDoc(ctx->schema_validation_ctx, doc);
+	if (ret) {
+		fprintf(stderr, "ERR: %s\n", "XML is not valid againt provided XSD");
+		ret = CMD_ERROR;
+		goto end;
+	}
+
+	ret = CMD_SUCCESS;
+end:
+	return ret;
+
+
+}
+int main(int argc, char **argv, char *env[])
+{
+	int ret;
+	struct validation_ctx ctx = { 0 };
+
+	/* Check if we have all argument */
+	if (argc < 3) {
+		fprintf(stderr, "ERR: %s\n", "Missing arguments");
+		ret = CMD_ERROR;
+		goto end;
+	}
+
+	/* Check if xsd file exist */
+	ret = access(argv[1], F_OK);
+	if (ret < 0) {
+		fprintf(stderr, "ERR: %s\n", "Xsd path not valid");
+		goto end;
+	}
+
+	/* Check if xml to validate exist */
+	ret = access(argv[2], F_OK);
+	if (ret < 0) {
+		fprintf(stderr, "ERR: %s\n", "XML path not valid");
+		goto end;
+	}
+
+	/* initialize the validation ctx */
+	ret = init_validation_ctx(&ctx, argv[1]);
+	if (ret) {
+		goto end;
+	}
+
+	ret = validate_xml(argv[2], &ctx);
+
+	fini_validation_ctx(&ctx);
+
+end:
+	return ret;
+}