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java/ql/lib/semmle/code/java/environment/SystemProperty.qll
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| import java | ||
| private import semmle.code.java.frameworks.apache.Lang | ||
|
|
||
| Expr getSystemProperty(string propertyName) { | ||
| result = | ||
| any(MethodAccessSystemGetProperty methodAccessSystemGetProperty | | ||
| methodAccessSystemGetProperty.hasCompileTimeConstantGetPropertyName(propertyName) | ||
| ) or | ||
| result = getSystemPropertyFromApacheSystemUtils(propertyName) or | ||
| result = getSystemPropertyFromApacheFileUtils(propertyName) or | ||
| result = getSystemPropertyFromOperatingSystemMXBean(propertyName) | ||
| } | ||
|
|
||
| /** | ||
| * A field access to the system property. | ||
| * See: https://commons.apache.org/proper/commons-lang/apidocs/org/apache/commons/lang3/SystemUtils.html | ||
| */ | ||
| private FieldAccess getSystemPropertyFromApacheSystemUtils(string propertyName) { | ||
| exists(Field f | f = result.getField() and f.getDeclaringType() instanceof ApacheSystemUtils | | ||
| f.getName() = "AWT_TOOLKIT" and propertyName = "awt.toolkit" | ||
| or | ||
| f.getName() = "FILE_ENCODING" and propertyName = "file.encoding" | ||
| or | ||
| f.getName() = "FILE_SEPARATOR" and propertyName = "file.separator" | ||
| or | ||
| f.getName() = "JAVA_AWT_FONTS" and propertyName = "java.awt.fonts" | ||
| or | ||
| f.getName() = "JAVA_AWT_GRAPHICSENV" and propertyName = "java.awt.graphicsenv" | ||
| or | ||
| f.getName() = "JAVA_AWT_HEADLESS" and propertyName = "java.awt.headless" | ||
| or | ||
| f.getName() = "JAVA_AWT_PRINTERJOB" and propertyName = "java.awt.printerjob" | ||
| or | ||
| f.getName() = "JAVA_CLASS_PATH" and propertyName = "java.class.path" | ||
| or | ||
| f.getName() = "JAVA_CLASS_VERSION" and propertyName = "java.class.version" | ||
| or | ||
| f.getName() = "JAVA_COMPILER" and propertyName = "java.compiler" | ||
| or | ||
| f.getName() = "JAVA_EXT_DIRS" and propertyName = "java.ext.dirs" | ||
| or | ||
| f.getName() = "JAVA_HOME" and propertyName = "java.home" | ||
| or | ||
| f.getName() = "JAVA_IO_TMPDIR" and propertyName = "java.io.tmpdir" | ||
| or | ||
| f.getName() = "JAVA_LIBRARY_PATH" and propertyName = "java.library.path" | ||
| or | ||
| f.getName() = "JAVA_RUNTIME_NAME" and propertyName = "java.runtime.name" | ||
| or | ||
| f.getName() = "JAVA_RUNTIME_VERSION" and propertyName = "java.runtime.version" | ||
| or | ||
| f.getName() = "JAVA_SPECIFICATION_NAME" and propertyName = "java.specification.name" | ||
| or | ||
| f.getName() = "JAVA_SPECIFICATION_VENDOR" and propertyName = "java.specification.vendor" | ||
| or | ||
| f.getName() = "JAVA_UTIL_PREFS_PREFERENCES_FACTORY" and | ||
| propertyName = "java.util.prefs.PreferencesFactory" | ||
| or | ||
| f.getName() = "JAVA_VENDOR" and propertyName = "java.vendor" | ||
| or | ||
| f.getName() = "JAVA_VENDOR_URL" and propertyName = "java.vendor.url" | ||
| or | ||
| f.getName() = "JAVA_VERSION" and propertyName = "java.version" | ||
| or | ||
| f.getName() = "JAVA_VM_INFO" and propertyName = "java.vm.info" | ||
| or | ||
| f.getName() = "JAVA_VM_NAME" and propertyName = "java.vm.name" | ||
| or | ||
| f.getName() = "JAVA_VM_SPECIFICATION_NAME" and propertyName = "java.vm.specification.name" | ||
| or | ||
| f.getName() = "JAVA_VM_SPECIFICATION_VENDOR" and propertyName = "java.vm.specification.vendor" | ||
| or | ||
| f.getName() = "JAVA_VM_VENDOR" and propertyName = "java.vm.vendor" | ||
| or | ||
| f.getName() = "JAVA_VM_VERSION" and propertyName = "java.vm.version" | ||
| or | ||
| f.getName() = "LINE_SEPARATOR" and propertyName = "line.separator" | ||
| or | ||
| f.getName() = "OS_ARCH" and propertyName = "os.arch" | ||
| or | ||
| f.getName() = "OS_NAME" and propertyName = "os.name" | ||
| or | ||
| f.getName() = "OS_VERSION" and propertyName = "os.version" | ||
| or | ||
| f.getName() = "PATH_SEPARATOR" and propertyName = "path.separator" | ||
| or | ||
| f.getName() = "USER_COUNTRY" and propertyName = "user.country" | ||
| or | ||
| f.getName() = "USER_DIR" and propertyName = "user.dir" | ||
| or | ||
| f.getName() = "USER_HOME" and propertyName = "user.home" | ||
| or | ||
| f.getName() = "USER_LANGUAGE" and propertyName = "user.language" | ||
| or | ||
| f.getName() = "USER_NAME" and propertyName = "user.name" | ||
| or | ||
| f.getName() = "USER_TIMEZONE" and propertyName = "user.timezone" | ||
| ) | ||
| } | ||
|
|
||
| private MethodAccess getSystemPropertyFromApacheFileUtils(string propertyName) { | ||
| exists(Method m | | ||
| result.getMethod() = m and | ||
| m.getDeclaringType().hasQualifiedName("org.apache.commons.io", "FileUtils") | ||
| | | ||
| m.hasName(["getTempDirectory", "getTempDirectoryPath"]) and propertyName = "java.io.tmpdir" | ||
| or | ||
| m.hasName(["getUserDirectory", "getUserDirectoryPath"]) and propertyName = "user.home" | ||
| ) | ||
| } | ||
|
|
||
| private MethodAccess getSystemPropertyFromOperatingSystemMXBean(string propertyName) { | ||
| exists(Method m | | ||
| m = result.getMethod() and | ||
| m.getDeclaringType().hasQualifiedName("java.lang.management", "OperatingSystemMXBean") | ||
| | | ||
| m.getName() = "getName" and propertyName = "os.name" | ||
| or | ||
| m.getName() = "getArch" and propertyName = "os.arch" | ||
| or | ||
| m.getName() = "getVersion" and propertyName = "os.version" | ||
| ) | ||
| } |
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