Login program which starts the user shell. More...

#include <Login.h>

Inheritance diagram for Login:

Public Member Functions
	Login (int argc, char **argv)
	Constructor.

virtual	~Login ()
	Destructor.

virtual Result	exec ()
	Execute the application.

Public Member Functions inherited from POSIXApplication
	POSIXApplication (int argc, char **argv)
	Class constructor.

virtual	~POSIXApplication ()
	Class destructor.

Public Member Functions inherited from Application
	Application (int argc, char **argv)
	Class constructor.

virtual	~Application ()
	Class destructor.

virtual int	run ()
	Run the application.

Private Member Functions
const char *	getUsername () const
	Read username from standard input.

void	printPrompt () const
	Print the login program prompt.

Additional Inherited Members
Public Types inherited from Application
enum	Result { Success , NotFound , IOError , InvalidArgument , ShowUsage , TimedOut , OutOfMemory }
	Result codes. More...

Protected Member Functions inherited from POSIXApplication
virtual Result	output (const char *string) const
	Print text to output.

int	runProgram (const char path, const char *argv)
	Runs an external program.

Protected Member Functions inherited from Application
virtual Result	initialize ()
	Initialize the application.

virtual Result	output (String &string) const
	Print string to output.

ArgumentParser &	parser ()
	Get program arguments parser.

const ArgumentParser &	parser () const
	Get constant program arguments parser.

const ArgumentContainer &	arguments () const
	Get program arguments.

void	setVersion (const String &version)
	Set program version.

Protected Attributes inherited from Application
int	m_argc
	Input argument count.

char **	m_argv
	Input argument values.

Detailed Description

Login program which starts the user shell.

Definition at line 31 of file Login.h.

Constructor & Destructor Documentation

◆ Login()

Login::Login	(	int	argc,
		char **	argv
	)

Constructor.

Parameters

argc	Argument count
argv	Argument values

Definition at line 29 of file Login.cpp.

References Application::parser(), ArgumentParser::registerPositional(), and ArgumentParser::setDescription().

◆ ~Login()

Login::~Login ( )

virtual

Destructor.

Definition at line 37 of file Login.cpp.

Member Function Documentation

◆ exec()

Login::Result Login::exec ( )

virtual

Execute the application.

Returns: Result code

Implements Application.

Definition at line 92 of file Login.cpp.

References Application::arguments(), close(), errno, ERROR, forkexec(), getUsername(), O_RDONLY, O_RDWR, open(), printPrompt(), strerror(), strlen(), Application::Success, and waitpid().

◆ getUsername()

const char * Login::getUsername ( ) const

private

Read username from standard input.

Returns: Username of the user.

Definition at line 54 of file Login.cpp.

References printf(), read(), and ZERO.

Referenced by exec().

◆ printPrompt()

void Login::printPrompt ( ) const

private

Print the login program prompt.

Definition at line 41 of file Login.cpp.

References printf(), utsname::release, utsname::sysname, and uname().

Referenced by exec().

The documentation for this class was generated from the following files:

bin/login/Login.h
bin/login/Login.cpp

Public Member Functions

Private Member Functions

Additional Inherited Members