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/**
* Provides classes modeling security-relevant aspects of the standard libraries.
* Note: some modeling is done internally in the dataflow/taint tracking implementation.
*/
overlay[local?]
module;
private import python
private import semmle.python.dataflow.new.DataFlow
private import semmle.python.dataflow.new.TaintTracking
private import semmle.python.dataflow.new.RemoteFlowSources
private import semmle.python.Concepts
private import semmle.python.ApiGraphs
private import semmle.python.dataflow.new.FlowSummary
private import semmle.python.frameworks.PEP249
private import semmle.python.frameworks.internal.PoorMansFunctionResolution
private import semmle.python.frameworks.internal.SelfRefMixin
private import semmle.python.frameworks.internal.InstanceTaintStepsHelper
// modeling split over multiple files to keep this file from becoming too big
private import semmle.python.frameworks.Stdlib.Urllib
private import semmle.python.frameworks.Stdlib.Urllib2
private import semmle.python.frameworks.data.ModelsAsData
/** Provides models for the Python standard library. */
module Stdlib {
/**
* Provides models for file-like objects,
* mostly to define standard set of extra taint-steps.
*
* See
* - https://docs.python.org/3.9/glossary.html#term-file-like-object
* - https://docs.python.org/3.9/library/io.html#io.IOBase
*/
module FileLikeObject {
/**
* A source of a file-like object, extend this class to model new instances.
*
* This can include instantiations of the class, return values from function
* calls, or a special parameter that will be set when functions are called by an external
* library.
*
* Use the predicate `like::instance()` to get references to instances of `file.like`.
*/
abstract class InstanceSource extends DataFlow::LocalSourceNode { }
/** Gets a reference to a file-like object. */
private DataFlow::TypeTrackingNode instance(DataFlow::TypeTracker t) {
t.start() and
result instanceof InstanceSource
or
exists(DataFlow::TypeTracker t2 | result = instance(t2).track(t2, t))
}
/** Gets a reference to a file-like object. */
DataFlow::Node instance() { instance(DataFlow::TypeTracker::end()).flowsTo(result) }
/**
* Taint propagation for file-like objects.
*/
private class InstanceTaintSteps extends InstanceTaintStepsHelper {
InstanceTaintSteps() { this = "<file-like object>" }
override DataFlow::Node getInstance() { result = instance() }
override string getAttributeName() { none() }
override string getMethodName() { result in ["read", "readline", "readlines"] }
override string getAsyncMethodName() { none() }
}
/**
* Extra taint propagation for file-like objects, not covered by `InstanceTaintSteps`.",
*/
private class AdditionalTaintStep extends TaintTracking::AdditionalTaintStep {
override predicate step(DataFlow::Node nodeFrom, DataFlow::Node nodeTo) {
// taint-propagation back to instance from `foo.write(tainted_data)`
exists(DataFlow::AttrRead write, DataFlow::CallCfgNode call, DataFlow::Node instance_ |
instance_ = instance() and
write.accesses(instance_, "write")
|
nodeTo.(DataFlow::PostUpdateNode).getPreUpdateNode() = instance_ and
call.getFunction() = write and
nodeFrom = call.getArg(0)
)
}
}
}
/**
* Provides models for the `http.client.HTTPMessage` class
*
* Has no official docs, but see
* https://github.com/python/cpython/blob/64f54b7ccd49764b0304e076bfd79b5482988f53/Lib/http/client.py#L175
* and https://docs.python.org/3.9/library/email.compat32-message.html#email.message.Message
*/
module HttpMessage {
/**
* A source of instances of `http.client.HTTPMessage`, extend this class to model new instances.
*
* This can include instantiations of the class, return values from function
* calls, or a special parameter that will be set when functions are called by an external
* library.
*
* Use the predicate `HTTPMessage::instance()` to get references to instances of `http.client.HTTPMessage`.
*/
abstract class InstanceSource extends DataFlow::LocalSourceNode { }
/** Gets a reference to an instance of `http.client.HttpMessage`. */
private DataFlow::TypeTrackingNode instance(DataFlow::TypeTracker t) {
t.start() and
result instanceof InstanceSource
or
exists(DataFlow::TypeTracker t2 | result = instance(t2).track(t2, t))
}
/** Gets a reference to an instance of `http.client.HttpMessage`. */
DataFlow::Node instance() { instance(DataFlow::TypeTracker::end()).flowsTo(result) }
/**
* Taint propagation for `http.client.HTTPMessage`.
*/
private class InstanceTaintSteps extends InstanceTaintStepsHelper {
InstanceTaintSteps() { this = "http.client.HTTPMessage" }
override DataFlow::Node getInstance() { result = instance() }
override string getAttributeName() { none() }
override string getMethodName() { result in ["get_all", "as_bytes", "as_string", "keys"] }
override string getAsyncMethodName() { none() }
}
}
/**
* Provides models for the `http.cookies.Morsel` class
*
* See https://docs.python.org/3.9/library/http.cookies.html#http.cookies.Morsel.
*/
module Morsel {
/**
* A source of instances of `http.cookies.Morsel`, extend this class to model new instances.
*
* This can include instantiations of the class, return values from function
* calls, or a special parameter that will be set when functions are called by an external
* library.
*
* Use the predicate `Morsel::instance()` to get references to instances of `http.cookies.Morsel`.
*/
abstract class InstanceSource extends DataFlow::LocalSourceNode { }
/** Gets a reference to an instance of `http.cookies.Morsel`. */
private DataFlow::TypeTrackingNode instance(DataFlow::TypeTracker t) {
t.start() and
result instanceof InstanceSource
or
exists(DataFlow::TypeTracker t2 | result = instance(t2).track(t2, t))
}
/** Gets a reference to an instance of `http.cookies.Morsel`. */
DataFlow::Node instance() { instance(DataFlow::TypeTracker::end()).flowsTo(result) }
/**
* Taint propagation for `http.cookies.Morsel`.
*/
private class InstanceTaintSteps extends InstanceTaintStepsHelper {
InstanceTaintSteps() { this = "http.cookies.Morsel" }
override DataFlow::Node getInstance() { result = instance() }
override string getAttributeName() { result in ["key", "value", "coded_value"] }
override string getMethodName() { result in ["output", "js_output"] }
override string getAsyncMethodName() { none() }
}
}
/**
* Provides models for the `urllib.parse.SplitResult` class
*
* See https://docs.python.org/3.9/library/urllib.parse.html#urllib.parse.SplitResult.
*/
module SplitResult {
/** Gets a reference to the `urllib.parse.SplitResult` class. */
API::Node classRef() {
result = API::moduleImport("urllib").getMember("parse").getMember("SplitResult")
or
result = ModelOutput::getATypeNode("urllib.parse.SplitResult~Subclass").getASubclass*()
}
/**
* A source of instances of `urllib.parse.SplitResult`, extend this class to model new instances.
*
* This can include instantiations of the class, return values from function
* calls, or a special parameter that will be set when functions are called by an external
* library.
*
* Use the predicate `SplitResult::instance()` to get references to instances of `urllib.parse.SplitResult`.
*/
abstract class InstanceSource extends DataFlow::LocalSourceNode { }
/** A direct instantiation of `urllib.parse.SplitResult`. */
private class ClassInstantiation extends InstanceSource, DataFlow::CallCfgNode {
ClassInstantiation() { this = classRef().getACall() }
}
/** Gets a reference to an instance of `urllib.parse.SplitResult`. */
private DataFlow::TypeTrackingNode instance(DataFlow::TypeTracker t) {
t.start() and
result instanceof InstanceSource
or
exists(DataFlow::TypeTracker t2 | result = instance(t2).track(t2, t))
}
/** Gets a reference to an instance of `urllib.parse.SplitResult`. */
DataFlow::Node instance() { instance(DataFlow::TypeTracker::end()).flowsTo(result) }
/**
* Taint propagation for `urllib.parse.SplitResult`.
*/
private class InstanceTaintSteps extends InstanceTaintStepsHelper {
InstanceTaintSteps() { this = "urllib.parse.SplitResult" }
override DataFlow::Node getInstance() { result = instance() }
override string getAttributeName() {
result in [
"netloc", "path", "query", "fragment", "username", "password", "hostname", "port"
]
}
override string getMethodName() { none() }
override string getAsyncMethodName() { none() }
}
/**
* Extra taint propagation for `urllib.parse.SplitResult`, not covered by `InstanceTaintSteps`.
*/
private class AdditionalTaintStep extends TaintTracking::AdditionalTaintStep {
override predicate step(DataFlow::Node nodeFrom, DataFlow::Node nodeTo) {
// TODO
none()
}
}
}
/**
* Provides models for the `urllib.parse.ParseResult` class
*
* See https://docs.python.org/3.9/library/urllib.parse.html#urllib.parse.ParseResult.
*/
module ParseResult {
/** Gets a reference to the `urllib.parse.ParseResult` class. */
API::Node classRef() {
result = API::moduleImport("urllib").getMember("parse").getMember("ParseResult")
or
result = ModelOutput::getATypeNode("urllib.parse.ParseResult~Subclass").getASubclass*()
}
/**
* A source of instances of `urllib.parse.ParseResult`, extend this class to model new instances.
*
* This can include instantiations of the class, return values from function
* calls, or a special parameter that will be set when functions are called by an external
* library.
*
* Use the predicate `ParseResult::instance()` to get references to instances of `urllib.parse.ParseResult`.
*/
abstract class InstanceSource extends DataFlow::LocalSourceNode { }
/** A direct instantiation of `urllib.parse.ParseResult`. */
private class ClassInstantiation extends InstanceSource, DataFlow::CallCfgNode {
ClassInstantiation() { this = classRef().getACall() }
}
/** Gets a reference to an instance of `urllib.parse.ParseResult`. */
private DataFlow::TypeTrackingNode instance(DataFlow::TypeTracker t) {
t.start() and
result instanceof InstanceSource
or
exists(DataFlow::TypeTracker t2 | result = instance(t2).track(t2, t))
}
/** Gets a reference to an instance of `urllib.parse.ParseResult`. */
DataFlow::Node instance() { instance(DataFlow::TypeTracker::end()).flowsTo(result) }
/**
* Taint propagation for `urllib.parse.ParseResult`.
*/
private class InstanceTaintSteps extends InstanceTaintStepsHelper {
InstanceTaintSteps() { this = "urllib.parse.ParseResult" }
override DataFlow::Node getInstance() { result = instance() }
override string getAttributeName() {
result in [
"netloc", "path", "params", "query", "fragment", "username", "password", "hostname",
"port"
]
}
override string getMethodName() { none() }
override string getAsyncMethodName() { none() }
}
}
// ---------------------------------------------------------------------------
// logging
// ---------------------------------------------------------------------------
/**
* Provides models for the `logging.Logger` class and subclasses.
*
* See https://docs.python.org/3.9/library/logging.html#logging.Logger.
*/
module Logger {
private import semmle.python.dataflow.new.internal.DataFlowDispatch as DD
/** Gets a reference to the `logging.Logger` class or any subclass. */
API::Node subclassRef() {
result = API::moduleImport("logging").getMember("Logger").getASubclass*()
or
result = API::moduleImport("logging").getMember("getLoggerClass").getReturn().getASubclass*()
or
result = ModelOutput::getATypeNode("logging.Logger~Subclass").getASubclass*()
}
/**
* A source of instances of `logging.Logger`, extend this class to model new instances.
*
* This can include instantiations of the class, return values from function
* calls, or a special parameter that will be set when functions are called by an external
* library.
*
* Use the predicate `Logger::instance()` to get references to instances of `logging.Logger`.
*/
abstract class InstanceSource extends DataFlow::LocalSourceNode { }
/** A direct instantiation of `logging.Logger`. */
private class ClassInstantiation extends InstanceSource, DataFlow::CfgNode {
ClassInstantiation() {
this = subclassRef().getACall()
or
this =
DD::selfTracker(subclassRef()
.getAValueReachableFromSource()
.asExpr()
.(ClassExpr)
.getInnerScope())
or
this = API::moduleImport("logging").getMember("root").asSource()
or
this = API::moduleImport("logging").getMember("getLogger").getACall()
}
}
/** Gets a reference to an instance of `logging.Logger`. */
private DataFlow::TypeTrackingNode instance(DataFlow::TypeTracker t) {
t.start() and
result instanceof InstanceSource
or
exists(DataFlow::TypeTracker t2 | result = instance(t2).track(t2, t))
}
/** Gets a reference to an instance of `logging.Logger`. */
DataFlow::Node instance() { instance(DataFlow::TypeTracker::end()).flowsTo(result) }
}
}
/**
* INTERNAL: Do not use.
*
* Provides models for the Python standard library.
*
* This module is marked private as exposing it means committing to 1-year deprecation
* policy, and the code is not in a polished enough state that we want to do so -- at
* least not without having convincing use-cases for it :)
*/
module StdlibPrivate {
// ---------------------------------------------------------------------------
// os
// ---------------------------------------------------------------------------
/** Gets a reference to the `os` module. */
API::Node os() { result = API::moduleImport("os") }
/** Provides models for the `os` module. */
module OS {
/** Gets a reference to the `os.path` module. */
API::Node path() {
result = os().getMember("path")
or
// although the following modules should not be used directly, they certainly can.
// Each one doesn't expose the full `os.path` API, so this is an overapproximation
// that made implementation easy. See
// - https://github.com/python/cpython/blob/b567b9d74bd9e476a3027335873bb0508d6e450f/Lib/posixpath.py#L31-L38
// - https://github.com/python/cpython/blob/b567b9d74bd9e476a3027335873bb0508d6e450f/Lib/ntpath.py#L26-L32
// - https://github.com/python/cpython/blob/b567b9d74bd9e476a3027335873bb0508d6e450f/Lib/genericpath.py#L9-L11
result = API::moduleImport(["posixpath", "ntpath", "genericpath"])
}
/** Provides models for the `os.path` module */
module OsPath {
/** Gets a reference to the `os.path.join` function. */
API::Node join() { result = path().getMember("join") }
}
}
/**
* Modeling of path related functions in the `os` module.
* Wrapped in QL module to make it easy to fold/unfold.
*/
module OsFileSystemAccessModeling {
/**
* A call to the `os.fsencode` function.
*
* See https://docs.python.org/3/library/os.html#os.fsencode
*/
private class OsFsencodeCall extends Encoding::Range, DataFlow::CallCfgNode {
OsFsencodeCall() { this = os().getMember("fsencode").getACall() }
override DataFlow::Node getAnInput() {
result in [this.getArg(0), this.getArgByName("filename")]
}
override DataFlow::Node getOutput() { result = this }
override string getFormat() { result = "filesystem" }
}
/**
* A call to the `os.fsdecode` function.
*
* See https://docs.python.org/3/library/os.html#os.fsdecode
*/
private class OsFsdecodeCall extends Decoding::Range, DataFlow::CallCfgNode {
OsFsdecodeCall() { this = os().getMember("fsdecode").getACall() }
override DataFlow::Node getAnInput() {
result in [this.getArg(0), this.getArgByName("filename")]
}
override DataFlow::Node getOutput() { result = this }
override string getFormat() { result = "filesystem" }
override predicate mayExecuteInput() { none() }
}
/**
* Additional taint step from a call to the `os.fspath` function.
*
* See https://docs.python.org/3/library/os.html#os.fspath
*/
private class OsFspathCallAdditionalTaintStep extends TaintTracking::AdditionalTaintStep {
override predicate step(DataFlow::Node nodeFrom, DataFlow::Node nodeTo) {
exists(DataFlow::CallCfgNode call |
call = os().getMember("fspath").getACall() and
nodeFrom in [call.getArg(0), call.getArgByName("path")] and
nodeTo = call
)
}
}
/**
* A call to the `os.open` function.
*
* See https://docs.python.org/3/library/os.html#os.open
*/
class OsOpenCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsOpenCall() { this = os().getMember("open").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.access` function.
*
* See https://docs.python.org/3/library/os.html#os.access
*/
private class OsAccessCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsAccessCall() { this = os().getMember("access").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.chdir` function.
*
* See https://docs.python.org/3/library/os.html#os.chdir
*/
private class OsChdirCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsChdirCall() { this = os().getMember("chdir").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.chflags` function.
*
* See https://docs.python.org/3/library/os.html#os.chflags
*/
private class OsChflagsCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsChflagsCall() { this = os().getMember("chflags").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.chmod` function.
*
* See https://docs.python.org/3/library/os.html#os.chmod
*/
private class OsChmodCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsChmodCall() { this = os().getMember("chmod").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.chown` function.
*
* See https://docs.python.org/3/library/os.html#os.chown
*/
private class OsChownCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsChownCall() { this = os().getMember("chown").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.chroot` function.
*
* See https://docs.python.org/3/library/os.html#os.chroot
*/
private class OsChrootCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsChrootCall() { this = os().getMember("chroot").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.lchflags` function.
*
* See https://docs.python.org/3/library/os.html#os.lchflags
*/
private class OsLchflagsCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsLchflagsCall() { this = os().getMember("lchflags").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.lchmod` function.
*
* See https://docs.python.org/3/library/os.html#os.lchmod
*/
private class OsLchmodCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsLchmodCall() { this = os().getMember("lchmod").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.lchown` function.
*
* See https://docs.python.org/3/library/os.html#os.lchown
*/
private class OsLchownCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsLchownCall() { this = os().getMember("lchown").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.link` function.
*
* See https://docs.python.org/3/library/os.html#os.link
*/
private class OsLinkCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsLinkCall() { this = os().getMember("link").getACall() }
override DataFlow::Node getAPathArgument() {
result in [
this.getArg(0), this.getArgByName("src"), this.getArg(1), this.getArgByName("dst")
]
}
}
/**
* A call to the `os.listdir` function.
*
* See https://docs.python.org/3/library/os.html#os.listdir
*/
private class OsListdirCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsListdirCall() { this = os().getMember("listdir").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.lstat` function.
*
* See https://docs.python.org/3/library/os.html#os.lstat
*/
private class OsLstatCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsLstatCall() { this = os().getMember("lstat").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.mkdir` function.
*
* See https://docs.python.org/3/library/os.html#os.mkdir
*/
private class OsMkdirCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsMkdirCall() { this = os().getMember("mkdir").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.makedirs` function.
*
* See https://docs.python.org/3/library/os.html#os.makedirs
*/
private class OsMakedirsCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsMakedirsCall() { this = os().getMember("makedirs").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("name")]
}
}
/**
* A call to the `os.mkfifo` function.
*
* See https://docs.python.org/3/library/os.html#os.mkfifo
*/
private class OsMkfifoCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsMkfifoCall() { this = os().getMember("mkfifo").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.mknod` function.
*
* See https://docs.python.org/3/library/os.html#os.mknod
*/
private class OsMknodCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsMknodCall() { this = os().getMember("mknod").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.pathconf` function.
*
* See https://docs.python.org/3/library/os.html#os.pathconf
*/
private class OsPathconfCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsPathconfCall() { this = os().getMember("pathconf").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.readlink` function.
*
* See https://docs.python.org/3/library/os.html#os.readlink
*/
private class OsReadlinkCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsReadlinkCall() { this = os().getMember("readlink").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.remove` function.
*
* See https://docs.python.org/3/library/os.html#os.remove
*/
private class OsRemoveCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsRemoveCall() { this = os().getMember("remove").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.removedirs` function.
*
* See https://docs.python.org/3/library/os.html#os.removedirs
*/
private class OsRemovedirsCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsRemovedirsCall() { this = os().getMember("removedirs").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("name")]
}
}
/**
* A call to the `os.rename` function.
*
* See https://docs.python.org/3/library/os.html#os.rename
*/
private class OsRenameCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsRenameCall() { this = os().getMember("rename").getACall() }
override DataFlow::Node getAPathArgument() {
result in [
this.getArg(0), this.getArgByName("src"), this.getArg(1), this.getArgByName("dst")
]
}
}
/**
* A call to the `os.renames` function.
*
* See https://docs.python.org/3/library/os.html#os.renames
*/
private class OsRenamesCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsRenamesCall() { this = os().getMember("renames").getACall() }
override DataFlow::Node getAPathArgument() {
result in [
this.getArg(0), this.getArgByName("old"), this.getArg(1), this.getArgByName("new")
]
}
}
/**
* A call to the `os.replace` function.
*
* See https://docs.python.org/3/library/os.html#os.replace
*/
private class OsReplaceCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsReplaceCall() { this = os().getMember("replace").getACall() }
override DataFlow::Node getAPathArgument() {
result in [
this.getArg(0), this.getArgByName("src"), this.getArg(1), this.getArgByName("dst")
]
}
}
/**
* A call to the `os.rmdir` function.
*
* See https://docs.python.org/3/library/os.html#os.rmdir
*/
private class OsRmdirCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsRmdirCall() { this = os().getMember("rmdir").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.scandir` function.
*
* See https://docs.python.org/3/library/os.html#os.scandir
*/
private class OsScandirCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsScandirCall() { this = os().getMember("scandir").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.stat` function.
*
* See https://docs.python.org/3/library/os.html#os.stat
*/
private class OsStatCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsStatCall() { this = os().getMember("stat").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.statvfs` function.
*
* See https://docs.python.org/3/library/os.html#os.statvfs
*/
private class OsStatvfsCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsStatvfsCall() { this = os().getMember("statvfs").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.symlink` function.
*
* See https://docs.python.org/3/library/os.html#os.symlink
*/
private class OsSymlinkCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsSymlinkCall() { this = os().getMember("symlink").getACall() }
override DataFlow::Node getAPathArgument() {
result in [
this.getArg(0), this.getArgByName("src"), this.getArg(1), this.getArgByName("dst")
]
}
}
/**
* A call to the `os.truncate` function.
*
* See https://docs.python.org/3/library/os.html#os.truncate
*/
private class OsTruncateCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsTruncateCall() { this = os().getMember("truncate").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.unlink` function.
*
* See https://docs.python.org/3/library/os.html#os.unlink
*/
private class OsUnlinkCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsUnlinkCall() { this = os().getMember("unlink").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.utime` function.
*
* See https://docs.python.org/3/library/os.html#os.utime
*/
private class OsUtimeCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsUtimeCall() { this = os().getMember("utime").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.walk` function.
*
* See https://docs.python.org/3/library/os.html#os.walk
*/
private class OsWalkCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsWalkCall() { this = os().getMember("walk").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("top")]
}
}
/**
* A call to the `os.fwalk` function.
*
* See https://docs.python.org/3/library/os.html#os.fwalk
*/
private class OsFwalkCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsFwalkCall() { this = os().getMember("fwalk").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("top")]
}
}
/**
* A call to the `os.getxattr` function.
*
* See https://docs.python.org/3/library/os.html#os.getxattr
*/
private class OsGetxattrCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsGetxattrCall() { this = os().getMember("getxattr").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.listxattr` function.
*
* See https://docs.python.org/3/library/os.html#os.listxattr
*/
private class OsListxattrCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsListxattrCall() { this = os().getMember("listxattr").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.removexattr` function.
*
* See https://docs.python.org/3/library/os.html#os.removexattr
*/
private class OsRemovexattrCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsRemovexattrCall() { this = os().getMember("removexattr").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.setxattr` function.
*
* See https://docs.python.org/3/library/os.html#os.setxattr
*/
private class OsSetxattrCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsSetxattrCall() { this = os().getMember("setxattr").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.add_dll_directory` function.
*
* See https://docs.python.org/3/library/os.html#os.add_dll_directory
*/
private class OsAdd_dll_directoryCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsAdd_dll_directoryCall() { this = os().getMember("add_dll_directory").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
/**
* A call to the `os.startfile` function.
*
* See https://docs.python.org/3/library/os.html#os.startfile
*/
private class OsStartfileCall extends FileSystemAccess::Range, DataFlow::CallCfgNode {
OsStartfileCall() { this = os().getMember("startfile").getACall() }
override DataFlow::Node getAPathArgument() {
result in [this.getArg(0), this.getArgByName("path")]
}
}
}
/**
* The `os.path` module offers a number of methods for checking if a file exists and/or has certain
* properties, leading to a file system access.