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/*
* Copyright (c) 2000-2001 Boris Popov
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Boris Popov.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Selected code from smb_conn.c
*/
/*
* Helper functions for smb_trantcp.c
* (and maybe future transports)
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kmem.h>
#include <sys/cmn_err.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <netsmb/smb_osdep.h>
#include <netsmb/netbios.h>
#include <netsmb/smb.h>
#include <netsmb/smb_conn.h>
#include <netsmb/smb_subr.h>
#include <netsmb/smb_tran.h>
/*
* Return the length of a sockaddr structure.
* Only needs to handle the address formats
* used by smb_dup_sockaddr.
*/
static size_t
SA_LEN(struct sockaddr *sa)
{
size_t len;
switch (sa->sa_family) {
case AF_INET:
len = sizeof (struct sockaddr_in);
break;
case AF_INET6:
len = sizeof (struct sockaddr_in6);
break;
case AF_NETBIOS:
len = sizeof (struct sockaddr_nb);
break;
default:
SMBSDEBUG("invalid address family %d\n", sa->sa_family);
len = sizeof (struct sockaddr);
break;
}
return (len);
}
/*
* Compare two sockaddr contents
* Return zero if identical.
*/
int
smb_cmp_sockaddr(struct sockaddr *a1, struct sockaddr *a2)
{
size_t l1, l2;
l1 = SA_LEN(a1);
l2 = SA_LEN(a2);
if (l1 != l2)
return (-1);
return (bcmp(a1, a2, l1));
}
/*
* Copy a socket address of varying size.
*/
struct sockaddr *
smb_dup_sockaddr(struct sockaddr *sa)
{
struct sockaddr *sa2;
size_t len;
/* Get the length (varies per family) */
len = SA_LEN(sa);
sa2 = kmem_alloc(len, KM_SLEEP);
if (sa2)
bcopy(sa, sa2, len);
return (sa2);
}
void
smb_free_sockaddr(struct sockaddr *sa)
{
size_t len;
/* Get the length (varies per family) */
len = SA_LEN(sa);
kmem_free(sa, len);
}
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