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HDFS-9791: libhdfs+_+: ConfigurationLoader throws parse_exception on invalid input. Contributed by Bob Hansen.

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Bob Hansen 2016-02-29 13:40:28 -05:00 committed by James Clampffer
parent 2cd7ab5e94
commit 1600e6bba8
1 changed files with 41 additions and 36 deletions
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77
hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/common/configuration_loader.cc
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@ -185,45 +185,50 @@ bool ConfigurationLoader::UpdateMapWithString(ConfigMap & map,
bool ConfigurationLoader::UpdateMapWithBytes(ConfigMap& map,
std::vector<char>& raw_bytes) {
rapidxml::xml_document<> dom;
dom.parse<rapidxml::parse_trim_whitespace>(&raw_bytes[0]);
try {
rapidxml::xml_document<> dom;
dom.parse<rapidxml::parse_trim_whitespace>(&raw_bytes[0]);
/* File must contain a single <configuration> stanza */
auto config_node = dom.first_node("configuration", 0, false);
if (!config_node) {
/* File must contain a single <configuration> stanza */
auto config_node = dom.first_node("configuration", 0, false);
if (!config_node) {
return false;
}
/* Walk all of the <property> nodes, ignoring the rest */
for (auto property_node = config_node->first_node("property", 0, false);
property_node;
property_node = property_node->next_sibling("property", 0, false)) {
auto name_node = property_node->first_node("name", 0, false);
auto value_node = property_node->first_node("value", 0, false);
if (name_node && value_node) {
std::string final_value;
auto final_node = property_node->first_node("final", 0, false);
if (final_node) {
final_value = final_node->value();
}
UpdateMapWithValue(map, name_node->value(), value_node->value(), final_value);
}
auto name_attr = property_node->first_attribute("name", 0, false);
auto value_attr = property_node->first_attribute("value", 0, false);
if (name_attr && value_attr) {
std::string final_value;
auto final_attr = property_node->first_attribute("final", 0, false);
if (final_attr) {
final_value = final_attr->value();
}
UpdateMapWithValue(map, name_attr->value(), value_attr->value(), final_value);
}
}
return true;
} catch (const rapidxml::parse_error &e) {
// TODO: Capture the result in a Status object
return false;
}
/* Walk all of the <property> nodes, ignoring the rest */
for (auto property_node = config_node->first_node("property", 0, false);
property_node;
property_node = property_node->next_sibling("property", 0, false)) {
auto name_node = property_node->first_node("name", 0, false);
auto value_node = property_node->first_node("value", 0, false);
if (name_node && value_node) {
std::string final_value;
auto final_node = property_node->first_node("final", 0, false);
if (final_node) {
final_value = final_node->value();
}
UpdateMapWithValue(map, name_node->value(), value_node->value(), final_value);
}
auto name_attr = property_node->first_attribute("name", 0, false);
auto value_attr = property_node->first_attribute("value", 0, false);
if (name_attr && value_attr) {
std::string final_value;
auto final_attr = property_node->first_attribute("final", 0, false);
if (final_attr) {
final_value = final_attr->value();
}
UpdateMapWithValue(map, name_attr->value(), value_attr->value(), final_value);
}
}
return true;
}
bool ConfigurationLoader::UpdateMapWithValue(ConfigMap& map,