virtual.c
1.85 KB
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/* GNU mailutils - a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "pop3d.h"
#ifdef USE_VIRTUAL_DOMAINS
struct passwd *
getpwnam_ip_virtual (const char *u)
{
struct sockaddr_in addr;
struct passwd *pw = NULL;
int len = sizeof (addr);
if (getsockname (fileno (ifile), (struct sockaddr *)&addr, &len) == 0)
{
char *ip;
char *user;
ip = inet_ntoa (addr.sin_addr);
user = malloc (strlen (ip) + strlen (u) + 2);
if (user)
{
sprintf (user, "%s!%s", u, ip);
pw = getpwnam_virtual (user);
free (user);
}
}
return pw;
}
struct passwd *
getpwnam_host_virtual (const char *u)
{
struct sockaddr_in addr;
struct passwd *pw = NULL;
int len = sizeof (addr);
if (getsockname (fileno (ifile), (struct sockaddr *)&addr, &len) == 0)
{
struct hostent *info = gethostbyaddr ((char *)&addr.sin_addr,
4, AF_INET);
if (info)
{
char *user = malloc (strlen (info->h_name) + strlen (u) + 2);
if (user)
{
sprintf (user, "%s!%s", u, info->h_name);
pw = getpwnam_virtual (user);
free (user);
}
}
}
return pw;
}
#endif