qsauth_backend_cp.c File Reference

checkpassword AUTH backend More...

#include <qsmtpd/qsauth_backend.h>
#include <log.h>
#include <netio.h>
#include <qsmtpd/qsmtpd.h>
#include <errno.h>
#include <signal.h>
#include <syslog.h>
#include <sys/wait.h>
#include <unistd.h>

Macros
#define	WRITE(a, b)

Functions
static int	err_child (void)
static int	err_fork (void)
static int	err_pipe (void)
static int	err_write (void)
int	auth_backend_execute (const struct string *user, const struct string *pass, const struct string *resp)
	authenticate a user with the given credentials More...
int	auth_backend_setup (int argc, const char **argv)

Variables
const char *	auth_check
const char **	auth_sub

Detailed Description

checkpassword AUTH backend

Macro Definition Documentation

#define WRITE	(		a,
			b
	)

Value:

do { \
                if (write(pi[1], (a), (b)) < 0) { \
                        return err_write(); \
                } \
        } while (0)

Function Documentation

int auth_backend_execute	(	const struct string *	user,
		const struct string *	pass,
		const struct string *	resp
	)

authenticate a user with the given credentials

Parameters

user	user id
pass	password
resp	additional response (e.g. for CRAM authentication)

Return values

<0	processing error (negative error code is returned)
0	user successfully authenticated
1	authentication error (i.e. invalid user/pass combination)

resp may be passed as NULL if no additional information has been collected

Variable Documentation

const char* auth_check

checkpassword or one of his friends for auth

const char** auth_sub

subprogram to be invoked by auth_check (usually /bin/true)