peapod.c File Reference

EAPOL Proxy Daemon. More...

#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <paths.h>
#include <signal.h>
#include <string.h>
#include <unistd.h>
#include "args.h"
#include "daemonize.h"
#include "defaults.h"
#include "log.h"
#include "parser.h"
#include "proxy.h"

Include dependency graph for peapod.c:

Functions
static void	help_exit (int status)
	Print usage information to stderr and exit. More...
static void	signal_handler (int sig)
	Signal handler. More...
int	main (int argc, char *argv[])
	Main function. More...
int	peapod_close_fds (void)
	Close all open file descriptors except stdin, stdout, and stderr. More...
int	peapod_redir_stdfds (void)
	Redirect stdin, stdout, and stderr to /dev/null. More...

Variables
static const char	usage []
	Program usage string. More...
static char *	clean_environ [] = { "PATH=" _PATH_STDPATH, NULL }
	An environment containing only PATH. More...
char **	environ
	Environment variables. More...
struct args_t	args
	Program arguments data structure. More...
struct iface_t *	ifaces
	Interface list. More...
Signal counters
Note Global
volatile sig_atomic_t	sig_hup = 0
volatile sig_atomic_t	sig_int = 0
volatile sig_atomic_t	sig_usr1 = 0
volatile sig_atomic_t	sig_term = 0

Detailed Description

EAPOL Proxy Daemon.

Function Documentation

static void help_exit ( int  status )

static

Print usage information to stderr and exit.

Parameters

status

The exit status to pass to the exit(2) system call

static void signal_handler ( int  sig )

static

Signal handler.

Increment signal counters upon receiving a signal. If more than one SIGINT or SIGTERM has been received without being acted upon, abort the program.

Parameters

sig	The signal that was received

int main	(	int	argc,
		char *	argv[]
	)

Main function.

Parameters

argc	The number of command-line arguments
argv	An array of command-line arguments (i.e. C strings)

Returns

0 by default

int peapod_close_fds

(

void

)

Close all open file descriptors except stdin, stdout, and stderr.

Returns

0 if successful, or -1 if unsuccessful

int peapod_redir_stdfds

(

void

)

Redirect stdin, stdout, and stderr to /dev/null.

Returns

0 if successful, or -1 if unsuccessful

Variable Documentation

volatile sig_atomic_t sig_hup = 0

volatile sig_atomic_t sig_int = 0

volatile sig_atomic_t sig_usr1 = 0

volatile sig_atomic_t sig_term = 0

const char usage[]

static

Program usage string.

char* clean_environ[] = { "PATH=" _PATH_STDPATH, NULL }

static

An environment containing only PATH.

char** environ

Environment variables.

Note

Global, provided by compiler

struct args_t args

Program arguments data structure.

Note

Global

struct iface_t* ifaces

Interface list.

Note

Global