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C++: Add more 'CommandExecutionFunction's.
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MathiasVP committed Nov 25, 2024
1 parent b1b62f2 commit 03ab74e
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1 change: 1 addition & 0 deletions cpp/ql/lib/semmle/code/cpp/models/Models.qll
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Expand Up @@ -49,3 +49,4 @@ private import implementations.PostgreSql
private import implementations.System
private import implementations.StructuredExceptionHandling
private import implementations.ZMQ
private import implementations.Win32CommandExecution
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@@ -0,0 +1,56 @@
private import semmle.code.cpp.models.interfaces.CommandExecution

/** The `ShellExecute` family of functions from Win32. */
class ShellExecute extends Function {
ShellExecute() { this.hasGlobalName("ShellExecute" + ["", "A", "W"]) }
}

private class ShellExecuteModel extends ShellExecute, CommandExecutionFunction {
override predicate hasCommandArgument(FunctionInput input) { input.isParameterDeref(2) }
}

/** The `WinExec` function from Win32. */
class WinExec extends Function {
WinExec() { this.hasGlobalName("WinExec") }
}

private class WinExecModel extends WinExec, CommandExecutionFunction {
override predicate hasCommandArgument(FunctionInput input) { input.isParameterDeref(0) }
}

/** The `CreateProcess` family of functions from Win32. */
class CreateProcess extends Function {
CreateProcess() { this.hasGlobalName("CreateProcess" + ["", "A", "W"]) }
}

private class CreateProcessModel extends CreateProcess, CommandExecutionFunction {
override predicate hasCommandArgument(FunctionInput input) { input.isParameterDeref(0) }
}

/** The `CreateProcessAsUser` family of functions from Win32. */
class CreateProcessAsUser extends Function {
CreateProcessAsUser() { this.hasGlobalName("CreateProcessAsUser" + ["", "A", "W"]) }
}

private class CreateProcessAsUserModel extends CreateProcessAsUser, CommandExecutionFunction {
override predicate hasCommandArgument(FunctionInput input) { input.isParameterDeref(1) }
}

/** The `CreateProcessWithLogonW` function from Win32. */
class CreateProcessWithLogonW extends Function {
CreateProcessWithLogonW() { this.hasGlobalName("CreateProcessWithLogonW") }
}

private class CreateProcessWithLogonModel extends CreateProcessWithLogonW, CommandExecutionFunction {
override predicate hasCommandArgument(FunctionInput input) { input.isParameterDeref(4) }
}

/** The `CreateProcessWithTokenW` function from Win32. */
class CreateProcessWithTokenW extends Function {
CreateProcessWithTokenW() { this.hasGlobalName("CreateProcessWithTokenW") }
}

private class CreateProcessWithTokenWModel extends CreateProcessWithTokenW, CommandExecutionFunction
{
override predicate hasCommandArgument(FunctionInput input) { input.isParameterDeref(2) }
}

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