d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Import IPFilter 4.1.23 to vendor branch.

Browse Source 
See src/contrib/ipfilter/HISTORY for details of changes since 4.1.13
This commit is contained in:
Darren Reed 2007-06-04 02:50:28 +00:00
parent 0be1832174
commit 103b406762
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/vendor-sys/ipfilter/dist/; revision=170263
34 changed files with 4284 additions and 1535 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1302
sys/contrib/ipfilter/netinet/fil.c
View File

File diff suppressed because it is too large Load Diff

702
sys/contrib/ipfilter/netinet/ip_auth.c
View File

@ -117,7 +117,7 @@ extern struct ifqueue ipintrq; /* ip packet input queue */
/* END OF INCLUDES */
#if !defined(lint)
static const char rcsid[] = "@(#)$Id: ip_auth.c,v 2.73.2.13 2006/03/29 11:19:55 darrenr Exp $";
static const char rcsid[] = "@(#)$Id: ip_auth.c,v 2.73.2.20 2007/05/29 13:48:54 darrenr Exp $";
#endif
@ -142,7 +142,19 @@ frauthent_t *fae_list = NULL;
frentry_t *ipauth = NULL,
*fr_authlist = NULL;
void fr_authderef __P((frauthent_t **));
int fr_authgeniter __P((ipftoken_t *, ipfgeniter_t *));
int fr_authreply __P((char *));
int fr_authwait __P((char *));
/* ------------------------------------------------------------------------ */
/* Function: fr_authinit */
/* Returns: int - 0 == success, else error */
/* Parameters: None */
/* */
/* Allocate memory and initialise data structures used in handling auth */
/* rules. */
/* ------------------------------------------------------------------------ */
int fr_authinit()
{
KMALLOCS(fr_auth, frauth_t *, fr_authsize * sizeof(*fr_auth));
@ -172,11 +184,16 @@ int fr_authinit()
}
/*
* Check if a packet has authorization. If the packet is found to match an
* authorization result and that would result in a feedback loop (i.e. it
* will end up returning FR_AUTH) then return FR_BLOCK instead.
*/
/* ------------------------------------------------------------------------ */
/* Function: fr_checkauth */
/* Returns: frentry_t* - pointer to ipf rule if match found, else NULL */
/* Parameters: fin(I) - pointer to ipftoken structure */
/* passp(I) - pointer to ipfgeniter structure */
/* */
/* Check if a packet has authorization. If the packet is found to match an */
/* authorization result and that would result in a feedback loop (i.e. it */
/* will end up returning FR_AUTH) then return FR_BLOCK instead. */
/* ------------------------------------------------------------------------ */
frentry_t *fr_checkauth(fin, passp)
fr_info_t *fin;
u_32_t *passp;
@ -233,7 +250,12 @@ u_32_t *passp;
fr = fra->fra_info.fin_fr;
fin->fin_fr = fr;
RWLOCK_EXIT(&ipf_auth);
WRITE_ENTER(&ipf_auth);
/*
* fr_authlist is populated with the rules malloc'd
* above and only those.
*/
if ((fr != NULL) && (fr != fra->fra_info.fin_fr)) {
fr->fr_next = fr_authlist;
fr_authlist = fr;
@ -275,11 +297,16 @@ u_32_t *passp;
}
/*
* Check if we have room in the auth array to hold details for another packet.
* If we do, store it and wake up any user programs which are waiting to
* hear about these events.
*/
/* ------------------------------------------------------------------------ */
/* Function: fr_newauth */
/* Returns: int - 0 == success, else error */
/* Parameters: m(I) - pointer to mb_t with packet in it */
/* fin(I) - pointer to packet information */
/* */
/* Check if we have room in the auth array to hold details for another */
/* packet. If we do, store it and wake up any user programs which are */
/* waiting to hear about these events. */
/* ------------------------------------------------------------------------ */
int fr_newauth(m, fin)
mb_t *m;
fr_info_t *fin;
@ -318,7 +345,10 @@ fr_info_t *fin;
fra = fr_auth + i;
fra->fra_index = i;
fra->fra_pass = fin->fin_fr->fr_flags;
if (fin->fin_fr != NULL)
fra->fra_pass = fin->fin_fr->fr_flags;
else
fra->fra_pass = 0;
fra->fra_age = fr_defaultauthage;
bcopy((char *)fin, (char *)&fra->fra_info, sizeof(*fin));
#if !defined(sparc) && !defined(m68k)
@ -356,23 +386,59 @@ fr_info_t *fin;
}
int fr_auth_ioctl(data, cmd, mode)
/* ------------------------------------------------------------------------ */
/* Function: fr_auth_ioctl */
/* Returns: int - 0 == success, else error */
/* Parameters: data(IO) - pointer to ioctl data */
/* cmd(I) - ioctl command */
/* mode(I) - mode flags associated with open descriptor */
/* uid(I) - uid associatd with application making the call */
/* ctx(I) - pointer for context */
/* */
/* This function handles all of the ioctls recognised by the auth component */
/* in IPFilter - ie ioctls called on an open fd for /dev/ipauth */
/* ------------------------------------------------------------------------ */
int fr_auth_ioctl(data, cmd, mode, uid, ctx)
caddr_t data;
ioctlcmd_t cmd;
int mode;
int mode, uid;
void *ctx;
{
frauth_t auth, *au = &auth, *fra;
int i, error = 0, len;
char *t;
mb_t *m;
#if defined(_KERNEL) && !defined(MENTAT) && !defined(linux) && \
(!defined(__FreeBSD_version) || (__FreeBSD_version < 501000))
struct ifqueue *ifq;
int error = 0, i;
SPL_INT(s);
#endif
switch (cmd)
{
case SIOCGENITER :
{
ipftoken_t *token;
ipfgeniter_t iter;
error = fr_inobj(data, &iter, IPFOBJ_GENITER);
if (error != 0)
break;
SPL_SCHED(s);
token = ipf_findtoken(IPFGENITER_AUTH, uid, ctx);
if (token != NULL)
error = fr_authgeniter(token, &iter);
else
error = ESRCH;
RWLOCK_EXIT(&ipf_tokens);
SPL_X(s);
break;
}
case SIOCADAFR :
case SIOCRMAFR :
if (!(mode & FWRITE))
error = EPERM;
else
error = frrequest(IPL_LOGAUTH, cmd, data,
fr_active, 1);
break;
case SIOCSTLCK :
if (!(mode & FWRITE)) {
error = EPERM;
@ -392,202 +458,17 @@ int mode;
i = fr_authflush();
RWLOCK_EXIT(&ipf_auth);
SPL_X(s);
error = copyoutptr((char *)&i, data, sizeof(i));
error = BCOPYOUT((char *)&i, data, sizeof(i));
if (error != 0)
error = EFAULT;
break;
case SIOCAUTHW:
fr_authioctlloop:
error = fr_inobj(data, au, IPFOBJ_FRAUTH);
if (error != 0)
break;
READ_ENTER(&ipf_auth);
if ((fr_authnext != fr_authend) && fr_authpkts[fr_authnext]) {
error = fr_outobj(data, &fr_auth[fr_authnext],
IPFOBJ_FRAUTH);
if (error != 0)
break;
if (auth.fra_len != 0 && auth.fra_buf != NULL) {
/*
* Copy packet contents out to user space if
* requested. Bail on an error.
*/
m = fr_authpkts[fr_authnext];
len = MSGDSIZE(m);
if (len > auth.fra_len)
len = auth.fra_len;
auth.fra_len = len;
for (t = auth.fra_buf; m && (len > 0); ) {
i = MIN(M_LEN(m), len);
error = copyoutptr(MTOD(m, char *),
&t, i);
len -= i;
t += i;
if (error != 0)
break;
m = m->m_next;
}
}
RWLOCK_EXIT(&ipf_auth);
if (error != 0)
break;
SPL_NET(s);
WRITE_ENTER(&ipf_auth);
fr_authnext++;
if (fr_authnext == fr_authsize)
fr_authnext = 0;
RWLOCK_EXIT(&ipf_auth);
SPL_X(s);
return 0;
}
RWLOCK_EXIT(&ipf_auth);
/*
* We exit ipf_global here because a program that enters in
* here will have a lock on it and goto sleep having this lock.
* If someone were to do an 'ipf -D' the system would then
* deadlock. The catch with releasing it here is that the
* caller of this function expects it to be held when we
* return so we have to reacquire it in here.
*/
RWLOCK_EXIT(&ipf_global);
MUTEX_ENTER(&ipf_authmx);
#ifdef _KERNEL
# if SOLARIS
error = 0;
if (!cv_wait_sig(&ipfauthwait, &ipf_authmx.ipf_lk))
error = EINTR;
# else /* SOLARIS */
# ifdef __hpux
{
lock_t *l;
l = get_sleep_lock(&fr_authnext);
error = sleep(&fr_authnext, PZERO+1);
spinunlock(l);
}
# else
# ifdef __osf__
error = mpsleep(&fr_authnext, PSUSP|PCATCH, "fr_authnext", 0,
&ipf_authmx, MS_LOCK_SIMPLE);
# else
error = SLEEP(&fr_authnext, "fr_authnext");
# endif /* __osf__ */
# endif /* __hpux */
# endif /* SOLARIS */
#endif
MUTEX_EXIT(&ipf_authmx);
READ_ENTER(&ipf_global);
if (error == 0)
goto fr_authioctlloop;
error = fr_authwait(data);
break;
case SIOCAUTHR:
error = fr_inobj(data, &auth, IPFOBJ_FRAUTH);
if (error != 0)
return error;
SPL_NET(s);
WRITE_ENTER(&ipf_auth);
i = au->fra_index;
fra = fr_auth + i;
error = 0;
if ((i < 0) || (i >= fr_authsize) ||
(fra->fra_info.fin_id != au->fra_info.fin_id)) {
RWLOCK_EXIT(&ipf_auth);
SPL_X(s);
return ESRCH;
}
m = fr_authpkts[i];
fra->fra_index = -2;
fra->fra_pass = au->fra_pass;
fr_authpkts[i] = NULL;
RWLOCK_EXIT(&ipf_auth);
#ifdef _KERNEL
if ((m != NULL) && (au->fra_info.fin_out != 0)) {
# ifdef MENTAT
error = ipf_inject(&fra->fra_info);
if (error != 0) {
FREE_MB_T(m);
error = ENOBUFS;
}
# else /* MENTAT */
# if defined(linux) || defined(AIX)
# else
# if (_BSDI_VERSION >= 199802) || defined(__OpenBSD__) || \
(defined(__sgi) && (IRIX >= 60500) || defined(AIX) || \
(defined(__FreeBSD__) && (__FreeBSD_version >= 470102)))
error = ip_output(m, NULL, NULL, IP_FORWARDING, NULL,
NULL);
# else
error = ip_output(m, NULL, NULL, IP_FORWARDING, NULL);
# endif
# endif /* Linux */
# endif /* MENTAT */
if (error != 0)
fr_authstats.fas_sendfail++;
else
fr_authstats.fas_sendok++;
} else if (m) {
# ifdef MENTAT
error = ipf_inject(&fra->fra_info);
if (error != 0) {
FREE_MB_T(m);
error = ENOBUFS;
}
# else /* MENTAT */
# if defined(linux) || defined(AIX)
# else
# if (__FreeBSD_version >= 501000)
netisr_dispatch(NETISR_IP, m);
# else
# if (IRIX >= 60516)
ifq = &((struct ifnet *)fra->fra_info.fin_ifp)->if_snd;
# else
ifq = &ipintrq;
# endif
if (IF_QFULL(ifq)) {
IF_DROP(ifq);
FREE_MB_T(m);
error = ENOBUFS;
} else {
IF_ENQUEUE(ifq, m);
# if IRIX < 60500
schednetisr(NETISR_IP);
# endif
}
# endif
# endif /* Linux */
# endif /* MENTAT */
if (error != 0)
fr_authstats.fas_quefail++;
else
fr_authstats.fas_queok++;
} else
error = EINVAL;
/*
* If we experience an error which will result in the packet
* not being processed, make sure we advance to the next one.
*/
if (error == ENOBUFS) {
fr_authused--;
fra->fra_index = -1;
fra->fra_pass = 0;
if (i == fr_authstart) {
while (fra->fra_index == -1) {
i++;
if (i == fr_authsize)
i = 0;
fr_authstart = i;
if (i == fr_authend)
break;
}
if (fr_authstart == fr_authend) {
fr_authnext = 0;
fr_authstart = fr_authend = 0;
}
}
}
#endif /* _KERNEL */
SPL_X(s);
error = fr_authreply(data);
break;
default :
@ -598,9 +479,13 @@ int mode;
}
/*
* Free all network buffer memory used to keep saved packets.
*/
/* ------------------------------------------------------------------------ */
/* Function: fr_authunload */
/* Returns: None */
/* Parameters: None */
/* */
/* Free all network buffer memory used to keep saved packets. */
/* ------------------------------------------------------------------------ */
void fr_authunload()
{
register int i;
@ -654,17 +539,21 @@ void fr_authunload()
}
/*
* Slowly expire held auth records. Timeouts are set
* in expectation of this being called twice per second.
*/
/* ------------------------------------------------------------------------ */
/* Function: fr_authexpire */
/* Returns: None */
/* Parameters: None */
/* */
/* Slowly expire held auth records. Timeouts are set in expectation of */
/* this being called twice per second. */
/* ------------------------------------------------------------------------ */
void fr_authexpire()
{
register int i;
register frauth_t *fra;
register frauthent_t *fae, **faep;
register frentry_t *fr, **frp;
frauthent_t *fae, **faep;
frentry_t *fr, **frp;
frauth_t *fra;
mb_t *m;
int i;
SPL_INT(s);
if (fr_auth_lock)
@ -683,11 +572,13 @@ void fr_authexpire()
}
}
/*
* Expire pre-auth rules
*/
for (faep = &fae_list; ((fae = *faep) != NULL); ) {
fae->fae_age--;
if (fae->fae_age == 0) {
*faep = fae->fae_next;
KFREE(fae);
fr_authderef(&fae);
fr_authstats.fas_expire++;
} else
faep = &fae->fae_next;
@ -708,6 +599,15 @@ void fr_authexpire()
SPL_X(s);
}
/* ------------------------------------------------------------------------ */
/* Function: fr_preauthcmd */
/* Returns: int - 0 == success, else error */
/* Parameters: cmd(I) - ioctl command for rule */
/* fr(I) - pointer to ipf rule */
/* fptr(I) - pointer to caller's 'fr' */
/* */
/* ------------------------------------------------------------------------ */
int fr_preauthcmd(cmd, fr, frptr)
ioctlcmd_t cmd;
frentry_t *fr, **frptr;
@ -718,7 +618,7 @@ frentry_t *fr, **frptr;
if ((cmd != SIOCADAFR) && (cmd != SIOCRMAFR))
return EIO;
for (faep = &fae_list; ((fae = *faep) != NULL); ) {
if (&fae->fae_fr == fr)
break;
@ -752,6 +652,7 @@ frentry_t *fr, **frptr;
fae->fae_age = fr_defaultauthage;
fae->fae_fr.fr_hits = 0;
fae->fae_fr.fr_next = *frptr;
fae->fae_ref = 1;
*frptr = &fae->fae_fr;
fae->fae_next = *faep;
*faep = fae;
@ -766,11 +667,18 @@ frentry_t *fr, **frptr;
}
/*
* Flush held packets.
* Must already be properly SPL'ed and Locked on &ipf_auth.
*
*/
/* ------------------------------------------------------------------------ */
/* Function: fr_authflush */
/* Returns: int - number of auth entries flushed */
/* Parameters: None */
/* Locks: WRITE(ipf_auth) */
/* */
/* This function flushs the fr_authpkts array of any packet data with */
/* references still there. */
/* It is expected that the caller has already acquired the correct locks or */
/* set the priority level correctly for this to block out other code paths */
/* into these data structures. */
/* ------------------------------------------------------------------------ */
int fr_authflush()
{
register int i, num_flushed;
@ -802,7 +710,339 @@ int fr_authflush()
}
/* ------------------------------------------------------------------------ */
/* Function: fr_auth_waiting */
/* Returns: int - number of packets in the auth queue */
/* Parameters: None */
/* */
/* Returns the numbers of packets queued up, waiting to be processed with */
/* a pair of SIOCAUTHW and SIOCAUTHR calls. */
/* ------------------------------------------------------------------------ */
int fr_auth_waiting()
{
return (fr_authnext != fr_authend) && fr_authpkts[fr_authnext];
}
/* ------------------------------------------------------------------------ */
/* Function: fr_authgeniter */
/* Returns: int - 0 == success, else error */
/* Parameters: token(I) - pointer to ipftoken structure */
/* itp(I) - pointer to ipfgeniter structure */
/* */
/* ------------------------------------------------------------------------ */
int fr_authgeniter(token, itp)
ipftoken_t *token;
ipfgeniter_t *itp;
{
frauthent_t *fae, *next, zero;
int error;
if (itp->igi_data == NULL)
return EFAULT;
if (itp->igi_type != IPFGENITER_AUTH)
return EINVAL;
fae = token->ipt_data;
READ_ENTER(&ipf_auth);
if (fae == NULL) {
next = fae_list;
} else {
next = fae->fae_next;
}
if (next != NULL) {
/*
* If we find an auth entry to use, bump its reference count
* so that it can be used for is_next when we come back.
*/
ATOMIC_INC(next->fae_ref);
if (next->fae_next == NULL) {
ipf_freetoken(token);
token = NULL;
} else {
token->ipt_data = next;
}
} else {
bzero(&zero, sizeof(zero));
next = &zero;
}
RWLOCK_EXIT(&ipf_auth);
/*
* If we had a prior pointer to an auth entry, release it.
*/
if (fae != NULL) {
WRITE_ENTER(&ipf_auth);
fr_authderef(&fae);
RWLOCK_EXIT(&ipf_auth);
}
/*
* This should arguably be via fr_outobj() so that the auth
* structure can (if required) be massaged going out.
*/
error = COPYOUT(next, itp->igi_data, sizeof(*next));
if (error != 0)
error = EFAULT;
return error;
}
/* ------------------------------------------------------------------------ */
/* Function: fr_authderef */
/* Returns: None */
/* Parameters: faep(IO) - pointer to caller's frauthent_t pointer */
/* Locks: WRITE(ipf_auth) */
/* */
/* This function unconditionally sets the pointer in the caller to NULL, */
/* to make it clear that it should no longer use that pointer, and drops */
/* the reference count on the structure by 1. If it reaches 0, free it up. */
/* ------------------------------------------------------------------------ */
void fr_authderef(faep)
frauthent_t **faep;
{
frauthent_t *fae;
fae = *faep;
*faep = NULL;
fae->fae_ref--;
if (fae->fae_ref == 0) {
KFREE(fae);
}
}
/* ------------------------------------------------------------------------ */
/* Function: fr_authwait */
/* Returns: int - 0 == success, else error */
/* Parameters: data(I) - pointer to data from ioctl call */
/* */
/* This function is called when an application is waiting for a packet to */
/* match an "auth" rule by issuing an SIOCAUTHW ioctl. If there is already */
/* a packet waiting on the queue then we will return that _one_ immediately.*/
/* If there are no packets present in the queue (fr_authpkts) then we go to */
/* sleep. */
/* ------------------------------------------------------------------------ */
int fr_authwait(data)
char *data;
{
frauth_t auth, *au = &auth;
int error, len, i;
mb_t *m;
char *t;
#if defined(_KERNEL) && !defined(MENTAT) && !defined(linux) && \
(!defined(__FreeBSD_version) || (__FreeBSD_version < 501000))
SPL_INT(s);
#endif
fr_authioctlloop:
error = fr_inobj(data, au, IPFOBJ_FRAUTH);
if (error != 0)
return error;
/*
* XXX Locks are held below over calls to copyout...a better
* solution needs to be found so this isn't necessary. The situation
* we are trying to guard against here is an error in the copyout
* steps should not cause the packet to "disappear" from the queue.
*/
READ_ENTER(&ipf_auth);
/*
* If fr_authnext is not equal to fr_authend it will be because there
* is a packet waiting to be delt with in the fr_authpkts array. We
* copy as much of that out to user space as requested.
*/
if ((fr_authnext != fr_authend) && fr_authpkts[fr_authnext]) {
error = fr_outobj(data, &fr_auth[fr_authnext], IPFOBJ_FRAUTH);
if (error != 0)
return error;
if (auth.fra_len != 0 && auth.fra_buf != NULL) {
/*
* Copy packet contents out to user space if
* requested. Bail on an error.
*/
m = fr_authpkts[fr_authnext];
len = MSGDSIZE(m);
if (len > auth.fra_len)
len = auth.fra_len;
auth.fra_len = len;
for (t = auth.fra_buf; m && (len > 0); ) {
i = MIN(M_LEN(m), len);
error = copyoutptr(MTOD(m, char *), &t, i);
len -= i;
t += i;
if (error != 0)
return error;
m = m->m_next;
}
}
RWLOCK_EXIT(&ipf_auth);
if (error != 0)
return error;
SPL_NET(s);
WRITE_ENTER(&ipf_auth);
fr_authnext++;
if (fr_authnext == fr_authsize)
fr_authnext = 0;
RWLOCK_EXIT(&ipf_auth);
SPL_X(s);
return 0;
}
RWLOCK_EXIT(&ipf_auth);
/*
* We exit ipf_global here because a program that enters in
* here will have a lock on it and goto sleep having this lock.
* If someone were to do an 'ipf -D' the system would then
* deadlock. The catch with releasing it here is that the
* caller of this function expects it to be held when we
* return so we have to reacquire it in here.
*/
RWLOCK_EXIT(&ipf_global);
MUTEX_ENTER(&ipf_authmx);
#ifdef _KERNEL
# if SOLARIS
error = 0;
if (!cv_wait_sig(&ipfauthwait, &ipf_authmx.ipf_lk))
error = EINTR;
# else /* SOLARIS */
# ifdef __hpux
{
lock_t *l;
l = get_sleep_lock(&fr_authnext);
error = sleep(&fr_authnext, PZERO+1);
spinunlock(l);
}
# else
# ifdef __osf__
error = mpsleep(&fr_authnext, PSUSP|PCATCH, "fr_authnext", 0,
&ipf_authmx, MS_LOCK_SIMPLE);
# else
error = SLEEP(&fr_authnext, "fr_authnext");
# endif /* __osf__ */
# endif /* __hpux */
# endif /* SOLARIS */
#endif
MUTEX_EXIT(&ipf_authmx);
READ_ENTER(&ipf_global);
if (error == 0)
goto fr_authioctlloop;
return error;
}
/* ------------------------------------------------------------------------ */
/* Function: fr_authreply */
/* Returns: int - 0 == success, else error */
/* Parameters: data(I) - pointer to data from ioctl call */
/* */
/* This function is called by an application when it wants to return a */
/* decision on a packet using the SIOCAUTHR ioctl. This is after it has */
/* received information using an SIOCAUTHW. The decision returned in the */
/* form of flags, the same as those used in each rule. */
/* ------------------------------------------------------------------------ */
int fr_authreply(data)
char *data;
{
frauth_t auth, *au = &auth, *fra;
int error, i;
mb_t *m;
SPL_INT(s);
error = fr_inobj(data, &auth, IPFOBJ_FRAUTH);
if (error != 0)
return error;
SPL_NET(s);
WRITE_ENTER(&ipf_auth);
i = au->fra_index;
fra = fr_auth + i;
error = 0;
/*
* Check the validity of the information being returned with two simple
* checks. First, the auth index value should be within the size of
* the array and second the packet id being returned should also match.
*/
if ((i < 0) || (i >= fr_authsize) ||
(fra->fra_info.fin_id != au->fra_info.fin_id)) {
RWLOCK_EXIT(&ipf_auth);
SPL_X(s);
return ESRCH;
}
m = fr_authpkts[i];
fra->fra_index = -2;
fra->fra_pass = au->fra_pass;
fr_authpkts[i] = NULL;
RWLOCK_EXIT(&ipf_auth);
/*
* Re-insert the packet back into the packet stream flowing through
* the kernel in a manner that will mean IPFilter sees the packet
* again. This is not the same as is done with fastroute,
* deliberately, as we want to resume the normal packet processing
* path for it.
*/
#ifdef _KERNEL
if ((m != NULL) && (au->fra_info.fin_out != 0)) {
error = ipf_inject(&fra->fra_info, m);
if (error != 0) {
error = ENOBUFS;
fr_authstats.fas_sendfail++;
} else {
fr_authstats.fas_sendok++;
}
} else if (m) {
error = ipf_inject(&fra->fra_info, m);
if (error != 0) {
error = ENOBUFS;
fr_authstats.fas_quefail++;
} else {
fr_authstats.fas_queok++;
}
} else {
error = EINVAL;
}
/*
* If we experience an error which will result in the packet
* not being processed, make sure we advance to the next one.
*/
if (error == ENOBUFS) {
fr_authused--;
fra->fra_index = -1;
fra->fra_pass = 0;
if (i == fr_authstart) {
while (fra->fra_index == -1) {
i++;
if (i == fr_authsize)
i = 0;
fr_authstart = i;
if (i == fr_authend)
break;
}
if (fr_authstart == fr_authend) {
fr_authnext = 0;
fr_authstart = fr_authend = 0;
}
}
}
#endif /* _KERNEL */
SPL_X(s);
return 0;
}

6
sys/contrib/ipfilter/netinet/ip_auth.h
View File

@ -3,7 +3,7 @@
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* $Id: ip_auth.h,v 2.16.2.2 2006/03/16 06:45:49 darrenr Exp $
* $Id: ip_auth.h,v 2.16.2.3 2006/07/14 06:12:05 darrenr Exp $
*
*/
#ifndef __IP_AUTH_H__
@ -27,7 +27,9 @@ typedef struct frauth {
typedef struct frauthent {
struct frentry fae_fr;
struct frauthent *fae_next;
struct frauthent **fae_pnext;
u_long fae_age;
int fae_ref;
} frauthent_t;
typedef struct fr_authstat {
@ -60,7 +62,7 @@ extern int fr_authflush __P((void));
extern mb_t **fr_authpkts;
extern int fr_newauth __P((mb_t *, fr_info_t *));
extern int fr_preauthcmd __P((ioctlcmd_t, frentry_t *, frentry_t **));
extern int fr_auth_ioctl __P((caddr_t, ioctlcmd_t, int));
extern int fr_auth_ioctl __P((caddr_t, ioctlcmd_t, int, int, void *));
extern int fr_auth_waiting __P((void));
#endif /* __IP_AUTH_H__ */

122
sys/contrib/ipfilter/netinet/ip_compat.h
View File

@ -4,7 +4,7 @@
* See the IPFILTER.LICENCE file for details on licencing.
*
* @(#)ip_compat.h 1.8 1/14/96
* $Id: ip_compat.h,v 2.142.2.36 2006/03/26 05:50:29 darrenr Exp $
* $Id: ip_compat.h,v 2.142.2.48 2007/05/31 12:27:34 darrenr Exp $
*/
#ifndef __IP_COMPAT_H__
@ -238,11 +238,12 @@ typedef unsigned int u_32_t;
# define MUTEX_EXIT(x) mutex_exit(&(x)->ipf_lk)
# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
# define BCOPYIN(a,b,c) (void) copyin((caddr_t)(a), (caddr_t)(b), (c))
# define BCOPYOUT(a,b,c) (void) copyout((caddr_t)(a), (caddr_t)(b), (c))
# define BCOPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
# define BCOPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
# define KFREE(x) kmem_free((char *)(x), sizeof(*(x)))
# define KFREES(x,s) kmem_free((char *)(x), (s))
# define SPL_SCHED(x) ;
# define SPL_NET(x) ;
# define SPL_IMP(x) ;
# undef SPL_X
@ -415,13 +416,7 @@ typedef struct iplog_select_s {
# define RW_DESTROY(x)
# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
# if HPUXREV >= 1111
# define BCOPYIN(a,b,c) 0; bcopy((caddr_t)(a), (caddr_t)(b), (c))
# define BCOPYOUT(a,b,c) 0; bcopy((caddr_t)(a), (caddr_t)(b), (c))
# else
# define BCOPYIN(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
# define BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
# endif
# define SPL_SCHED(x) ;
# define SPL_NET(x) ;
# define SPL_IMP(x) ;
# undef SPL_X
@ -574,8 +569,6 @@ typedef struct {
# define MTOD(m,t) mtod(m,t)
# define COPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
# define COPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
# define BCOPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
# define BCOPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
# define SLEEP(id, n) sleep((id), PZERO+1)
# define WAKEUP(id,x) wakeup(id+x)
@ -591,6 +584,7 @@ typedef struct {
# define USE_SPL 1
# define SPL_IMP(x) (x) = splimp()
# define SPL_NET(x) (x) = splnet()
# define SPL_SCHED(x) (x) = splsched()
# define SPL_X(x) (void) splx(x)
extern void m_copydata __P((struct mbuf *, int, int, caddr_t));
extern void m_copyback __P((struct mbuf *, int, int, caddr_t));
@ -651,6 +645,7 @@ typedef struct mbuf mb_t;
simple_unlock(&ipf_rw); }
# define ATOMIC_DEC(x) { simple_lock(&ipf_rw); (x)--; \
simple_unlock(&ipf_rw); }
# define SPL_SCHED(x) ;
# define SPL_NET(x) ;
# define SPL_IMP(x) ;
# undef SPL_X
@ -664,8 +659,6 @@ typedef struct mbuf mb_t;
# define POLLWAKEUP(x) ;
# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
# define BCOPYIN(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
# define BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
# define KMALLOC(a, b) MALLOC((a), b, sizeof(*(a)), M_PFILT, M_NOWAIT)
# define KMALLOCS(a, b, c) MALLOC((a), b, (c), M_PFILT, \
((c) > 4096) ? M_WAITOK : M_NOWAIT)
@ -718,6 +711,14 @@ typedef unsigned int u_32_t;
/* N E T B S D */
/* ----------------------------------------------------------------------- */
#ifdef __NetBSD__
# if (NetBSD >= 199905) && !defined(IPFILTER_LKM) && defined(_KERNEL)
# include "opt_ipfilter.h"
# endif
# if defined(_KERNEL)
# include <sys/systm.h>
# else
# include <stddef.h>
# endif
# if defined(_KERNEL) && !defined(IPFILTER_LKM)
# include "bpfilter.h"
# if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 104110000)
@ -731,7 +732,14 @@ typedef unsigned int u_32_t;
# endif
# endif
# if (__NetBSD_Version__ >= 499000000)
typedef char * caddr_t;
# endif
# ifdef _KERNEL
# if (__NetBSD_Version__ >= 399001400)
# define KMALLOCS(a, b, c) (a) = (b)malloc((c), _M_IPF, M_NOWAIT)
# endif
# define MSGDSIZE(x) mbufchainlen(x)
# define M_LEN(x) (x)->m_len
# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
@ -739,8 +747,6 @@ typedef unsigned int u_32_t;
# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
# define BCOPYIN(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
# define BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
typedef struct mbuf mb_t;
# endif /* _KERNEL */
# if (NetBSD <= 1991011) && (NetBSD >= 199606)
@ -754,7 +760,6 @@ typedef struct mbuf mb_t;
# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
# endif
typedef struct uio uio_t;
typedef u_long ioctlcmd_t;
typedef int minor_t;
@ -796,8 +801,6 @@ typedef u_int32_t u_32_t;
# endif
# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
# define BCOPYIN(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
# define BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
# if (__FreeBSD_version >= 500043)
# define NETBSD_PF
@ -813,7 +816,7 @@ typedef u_int32_t u_32_t;
* with a WITNESS kernel, it generates LOR messages.
*/
# define KMUTEX_T struct mtx
# if 1
# if (__FreeBSD_version < 700000)
# define KRWLOCK_T struct mtx
# else
# define KRWLOCK_T struct sx
@ -857,7 +860,7 @@ typedef u_int32_t u_32_t;
* for what we want to use them for, despite testing showing they work -
* with a WITNESS kernel, it generates LOR messages.
*/
# if 1
# if (__FreeBSD_version < 700000)
# define READ_ENTER(x) mtx_lock(&(x)->ipf_lk)
# define WRITE_ENTER(x) mtx_lock(&(x)->ipf_lk)
# define RWLOCK_EXIT(x) mtx_unlock(&(x)->ipf_lk)
@ -872,7 +875,7 @@ typedef u_int32_t u_32_t;
# define RWLOCK_INIT(x, y) sx_init(&(x)->ipf_lk, (y))
# define RW_DESTROY(x) sx_destroy(&(x)->ipf_lk)
# ifdef sx_unlock
# define RWLOCK_EXIT(x) sx_unlock(x)
# define RWLOCK_EXIT(x) sx_unlock(&(x)->ipf_lk)
# else
# define RWLOCK_EXIT(x) do { \
if ((x)->ipf_lk.sx_cnt < 0) \
@ -889,15 +892,16 @@ typedef u_int32_t u_32_t;
mtx_unlock(&ipf_rw.ipf_lk); }
# define ATOMIC_INCL(x) atomic_add_long(&(x), 1)
# define ATOMIC_INC64(x) ATOMIC_INC(x)
# define ATOMIC_INC32(x) atomic_add_32(&(x), 1)
# define ATOMIC_INC32(x) atomic_add_32((u_int *)&(x), 1)
# define ATOMIC_INC16(x) atomic_add_16(&(x), 1)
# define ATOMIC_DECL(x) atomic_add_long(&(x), -1)
# define ATOMIC_DEC64(x) ATOMIC_DEC(x)
# define ATOMIC_DEC32(x) atomic_add_32(&(x), -1)
# define ATOMIC_DEC32(x) atomic_add_32((u_int *)&(x), -1)
# define ATOMIC_DEC16(x) atomic_add_16(&(x), -1)
# define SPL_X(x) ;
# define SPL_NET(x) ;
# define SPL_IMP(x) ;
# define SPL_SCHED(x) ;
extern int in_cksum __P((struct mbuf *, int));
# endif /* __FreeBSD_version >= 500043 */
# define MSGDSIZE(x) mbufchainlen(x)
@ -955,8 +959,6 @@ typedef u_int32_t u_32_t;
# endif
# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
# define BCOPYIN(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
# define BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
# define GETKTIME(x) microtime((struct timeval *)x)
# define MSGDSIZE(x) mbufchainlen(x)
# define M_LEN(x) (x)->m_len
@ -1058,7 +1060,7 @@ typedef unsigned int u_32_t;
#if defined(linux) && !defined(OS_RECOGNISED)
#include <linux/config.h>
#include <linux/version.h>
# if LINUX >= 20600
# if (LINUX >= 20600) && defined(_KERNEL)
# define HDR_T_PRIVATE 1
# endif
# undef USE_INET6
@ -1071,15 +1073,17 @@ struct ip6_ext {
# ifdef _KERNEL
# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
# define BCOPYIN(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
# define BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
# define COPYIN(a,b,c) copy_from_user((caddr_t)(b), (caddr_t)(a), (c))
# define COPYOUT(a,b,c) copy_to_user((caddr_t)(b), (caddr_t)(a), (c))
# define FREE_MB_T(m) kfree_skb(m)
# define GETKTIME(x) do_gettimeofday((struct timeval *)x)
# define SLEEP(x,s) 0, interruptible_sleep_on(x##_linux)
# define POLLWAKEUP(x) ;
# define WAKEUP(x,y) wake_up(x##_linux + y)
# ifdef wait_event_interruptible
# define SLEEP(x,s) wait_event_interruptible((*(x##_linux)), 0)
# else
# define SLEEP(x,s) 0, interruptible_sleep_on(x##_linux)
# endif
# define WAKEUP(x,y) wake_up(x##_linux + y)
# define UIOMOVE(a,b,c,d) uiomove(a,b,c,d)
# define USE_MUTEXES
# define KRWLOCK_T rwlock_t
@ -1091,7 +1095,7 @@ struct ip6_ext {
# define MUTEX_NUKE(x) bzero(&(x)->ipf_lk, sizeof((x)->ipf_lk))
# define READ_ENTER(x) ipf_read_enter(x)
# define WRITE_ENTER(x) ipf_write_enter(x)
# define RWLOCK_INIT(x,y) rwlock_init(&(x)->ipf_lk)
# define RWLOCK_INIT(x,y) ipf_rw_init(x, y)
# define RW_DESTROY(x) do { } while (0)
# define RWLOCK_EXIT(x) ipf_rw_exit(x)
# define MUTEX_DOWNGRADE(x) ipf_rw_downgrade(x)
@ -1111,6 +1115,7 @@ struct ip6_ext {
MUTEX_EXIT(&ipf_rw)
# define ATOMIC_DEC16(x) MUTEX_ENTER(&ipf_rw); (x)--; \
MUTEX_EXIT(&ipf_rw)
# define SPL_SCHED(x) do { } while (0)
# define SPL_IMP(x) do { } while (0)
# define SPL_NET(x) do { } while (0)
# define SPL_X(x) do { } while (0)
@ -1260,6 +1265,7 @@ typedef u_int32_t u_32_t;
MUTEX_EXIT(&ipf_rw); }
# define ATOMIC_DEC(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
MUTEX_EXIT(&ipf_rw); }
# define SPL_SCHED(x) x = splsched()
# define SPL_NET(x) x = splnet()
# define SPL_IMP(x) x = splimp()
# undef SPL_X
@ -1273,8 +1279,6 @@ extern void* getifp __P((char *, int));
# define POLLWAKEUP(x) ;
# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
# define BCOPYIN(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
# define BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
# define KMALLOC(a, b) MALLOC((a), b, sizeof(*(a)), M_TEMP, M_NOWAIT)
# define KMALLOCS(a, b, c) MALLOC((a), b, (c), M_TEMP, \
((c) > 4096) ? M_WAITOK : M_NOWAIT)
@ -1351,7 +1355,7 @@ typedef struct {
u_int eMm_magic;
int eMm_held;
int eMm_heldat;
#ifdef __hpux
#if defined(__hpux) || defined(__linux)
char eMm_fill[8];
#endif
} eMmutex_t;
@ -1410,6 +1414,7 @@ typedef union {
extern void ipf_read_enter __P((ipfrwlock_t *));
extern void ipf_write_enter __P((ipfrwlock_t *));
extern void ipf_rw_exit __P((ipfrwlock_t *));
extern void ipf_rw_init __P((ipfrwlock_t *, char *));
extern void ipf_rw_downgrade __P((ipfrwlock_t *));
#endif
@ -1438,6 +1443,7 @@ typedef struct mb_s {
# define POLLWAKEUP(y) ;
# define IPF_PANIC(x,y) ;
# define PANIC(x,y) ;
# define SPL_SCHED(x) ;
# define SPL_NET(x) ;
# define SPL_IMP(x) ;
# define SPL_X(x) ;
@ -1448,8 +1454,6 @@ typedef struct mb_s {
# define GETIFP(x, v) get_unit(x,v)
# define COPYIN(a,b,c) bcopywrap((a), (b), (c))
# define COPYOUT(a,b,c) bcopywrap((a), (b), (c))
# define BCOPYIN(a,b,c) (bcopy((a), (b), (c)), 0)
# define BCOPYOUT(a,b,c) (bcopy((a), (b), (c)), 0)
# define COPYDATA(m, o, l, b) bcopy(MTOD((mb_t *)m, char *) + (o), \
(b), (l))
# define COPYBACK(m, o, l, b) bcopy((b), \
@ -1537,9 +1541,6 @@ typedef struct ip6_hdr ip6_t;
#endif
#if defined(_KERNEL)
# ifdef BSD
extern struct selinfo ipfselwait[];
# endif
# ifdef MENTAT
# define COPYDATA mb_copydata
# define COPYBACK mb_copyback
@ -1583,7 +1584,9 @@ MALLOC_DECLARE(M_IPFILTER);
# endif /* M_PFIL */
# endif /* IPFILTER_M_IPFILTER */
# define KMALLOC(a, b) MALLOC((a), b, sizeof(*(a)), _M_IPF, M_NOWAIT)
# define KMALLOCS(a, b, c) MALLOC((a), b, (c), _M_IPF, M_NOWAIT)
# if !defined(KMALLOCS)
# define KMALLOCS(a, b, c) MALLOC((a), b, (c), _M_IPF, M_NOWAIT)
# endif
# define KFREE(x) FREE((x), _M_IPF)
# define KFREES(x,s) FREE((x), _M_IPF)
# define UIOMOVE(a,b,c,d) uiomove(a,b,d)
@ -1601,6 +1604,7 @@ MALLOC_DECLARE(M_IPFILTER);
# define SPL_IMP(x) x = splimp()
# define SPL_NET(x) x = splnet()
# endif /* NetBSD && (NetBSD <= 1991011) && (NetBSD >= 199407) */
# define SPL_SCHED(x) x = splsched()
# define SPL_X(x) (void) splx(x)
# endif /* !USE_MUTEXES */
@ -1615,8 +1619,6 @@ MALLOC_DECLARE(M_IPFILTER);
# ifndef COPYIN
# define COPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
# define COPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
# define BCOPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
# define BCOPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
# endif
# ifndef KMALLOC
@ -1645,6 +1647,11 @@ extern char *fr_getifname __P((struct ifnet *, char *));
# define ASSERT(x)
#endif
#ifndef BCOPYIN
# define BCOPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
# define BCOPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
#endif
/*
* Because the ctype(3) posix definition, if used "safely" in code everywhere,
* would mean all normal code that walks through strings needed casts. Yuck.
@ -1721,9 +1728,6 @@ typedef struct tcpiphdr tcpiphdr_t;
# define FR_GROUPLEN 16
#endif
#ifdef offsetof
# undef offsetof
#endif
#ifndef offsetof
# define offsetof(t,m) (int)((&((t *)0L)->m))
#endif
@ -1743,7 +1747,7 @@ typedef struct tcpiphdr tcpiphdr_t;
# define IP_HL(x) (x)->ip_hl
#endif
#ifndef IP_HL_A
# define IP_HL_A(x,y) (x)->ip_hl = (y)
# define IP_HL_A(x,y) (x)->ip_hl = ((y) & 0xf)
#endif
#ifndef TCP_X2
# define TCP_X2(x) (x)->th_x2
@ -2351,21 +2355,21 @@ typedef struct tcpiphdr tcpiphdr_t;
/*
* TCP States
*/
#define IPF_TCPS_CLOSED 0 /* closed */
#define IPF_TCPS_LISTEN 1 /* listening for connection */
#define IPF_TCPS_SYN_SENT 2 /* active, have sent syn */
#define IPF_TCPS_SYN_RECEIVED 3 /* have send and received syn */
#define IPF_TCPS_HALF_ESTAB 4 /* for connections not fully "up" */
#define IPF_TCPS_LISTEN 0 /* listening for connection */
#define IPF_TCPS_SYN_SENT 1 /* active, have sent syn */
#define IPF_TCPS_SYN_RECEIVED 2 /* have send and received syn */
#define IPF_TCPS_HALF_ESTAB 3 /* for connections not fully "up" */
/* states < IPF_TCPS_ESTABLISHED are those where connections not established */
#define IPF_TCPS_ESTABLISHED 5 /* established */
#define IPF_TCPS_CLOSE_WAIT 6 /* rcvd fin, waiting for close */
#define IPF_TCPS_ESTABLISHED 4 /* established */
#define IPF_TCPS_CLOSE_WAIT 5 /* rcvd fin, waiting for close */
/* states > IPF_TCPS_CLOSE_WAIT are those where user has closed */
#define IPF_TCPS_FIN_WAIT_1 7 /* have closed, sent fin */
#define IPF_TCPS_CLOSING 8 /* closed xchd FIN; await FIN ACK */
#define IPF_TCPS_LAST_ACK 9 /* had fin and close; await FIN ACK */
#define IPF_TCPS_FIN_WAIT_1 6 /* have closed, sent fin */
#define IPF_TCPS_CLOSING 7 /* closed xchd FIN; await FIN ACK */
#define IPF_TCPS_LAST_ACK 8 /* had fin and close; await FIN ACK */
/* states > IPF_TCPS_CLOSE_WAIT && < IPF_TCPS_FIN_WAIT_2 await ACK of FIN */
#define IPF_TCPS_FIN_WAIT_2 10 /* have closed, fin is acked */
#define IPF_TCPS_TIME_WAIT 11 /* in 2*msl quiet wait after close */
#define IPF_TCPS_FIN_WAIT_2 9 /* have closed, fin is acked */
#define IPF_TCPS_TIME_WAIT 10 /* in 2*msl quiet wait after close */
#define IPF_TCPS_CLOSED 11 /* closed */
#define IPF_TCP_NSTATES 12
#define TCP_MSL 120

188
sys/contrib/ipfilter/netinet/ip_fil.h
View File

@ -4,7 +4,7 @@
* See the IPFILTER.LICENCE file for details on licencing.
*
* @(#)ip_fil.h 1.35 6/5/96
* $Id: ip_fil.h,v 2.170.2.29 2006/03/29 11:19:55 darrenr Exp $
* $Id: ip_fil.h,v 2.170.2.45 2007/05/28 11:56:22 darrenr Exp $
*/
#ifndef __IP_FIL_H__
@ -43,12 +43,12 @@
# define SIOCZRLST _IOWR('r', 75, struct ipfobj)
# define SIOCAUTHW _IOWR('r', 76, struct ipfobj)
# define SIOCAUTHR _IOWR('r', 77, struct ipfobj)
# define SIOCATHST _IOWR('r', 78, struct ipfobj)
# define SIOCSTAT1 _IOWR('r', 78, struct ipfobj)
# define SIOCSTLCK _IOWR('r', 79, u_int)
# define SIOCSTPUT _IOWR('r', 80, struct ipfobj)
# define SIOCSTGET _IOWR('r', 81, struct ipfobj)
# define SIOCSTGSZ _IOWR('r', 82, struct ipfobj)
# define SIOCGFRST _IOWR('r', 83, struct ipfobj)
# define SIOCSTAT2 _IOWR('r', 83, struct ipfobj)
# define SIOCSETLG _IOWR('r', 84, int)
# define SIOCGETLG _IOWR('r', 85, int)
# define SIOCFUNCL _IOWR('r', 86, struct ipfunc_resolve)
@ -56,6 +56,12 @@
# define SIOCIPFGET _IOWR('r', 88, struct ipfobj)
# define SIOCIPFSET _IOWR('r', 89, struct ipfobj)
# define SIOCIPFL6 _IOWR('r', 90, int)
# define SIOCIPFITER _IOWR('r', 91, struct ipfobj)
# define SIOCGENITER _IOWR('r', 92, struct ipfobj)
# define SIOCGTABL _IOWR('r', 93, struct ipfobj)
# define SIOCIPFDELTOK _IOWR('r', 94, int)
# define SIOCLOOKUPITER _IOWR('r', 95, struct ipfobj)
# define SIOCGTQTAB _IOWR('r', 96, struct ipfobj)
#else
# define SIOCADAFR _IOW(r, 60, struct ipfobj)
# define SIOCRMAFR _IOW(r, 61, struct ipfobj)
@ -75,12 +81,12 @@
# define SIOCZRLST _IOWR(r, 75, struct ipfobj)
# define SIOCAUTHW _IOWR(r, 76, struct ipfobj)
# define SIOCAUTHR _IOWR(r, 77, struct ipfobj)
# define SIOCATHST _IOWR(r, 78, struct ipfobj)
# define SIOCSTAT1 _IOWR(r, 78, struct ipfobj)
# define SIOCSTLCK _IOWR(r, 79, u_int)
# define SIOCSTPUT _IOWR(r, 80, struct ipfobj)
# define SIOCSTGET _IOWR(r, 81, struct ipfobj)
# define SIOCSTGSZ _IOWR(r, 82, struct ipfobj)
# define SIOCGFRST _IOWR(r, 83, struct ipfobj)
# define SIOCSTAT2 _IOWR(r, 83, struct ipfobj)
# define SIOCSETLG _IOWR(r, 84, int)
# define SIOCGETLG _IOWR(r, 85, int)
# define SIOCFUNCL _IOWR(r, 86, struct ipfunc_resolve)
@ -88,10 +94,18 @@
# define SIOCIPFGET _IOWR(r, 88, struct ipfobj)
# define SIOCIPFSET _IOWR(r, 89, struct ipfobj)
# define SIOCIPFL6 _IOWR(r, 90, int)
# define SIOCIPFITER _IOWR(r, 91, struct ipfobj)
# define SIOCGENITER _IOWR(r, 92, struct ipfobj)
# define SIOCGTABL _IOWR(r, 93, struct ipfobj)
# define SIOCIPFDELTOK _IOWR(r, 94, int)
# define SIOCLOOKUPITER _IOWR(r, 95, struct ipfobj)
# define SIOCGTQTAB _IOWR(r, 96, struct ipfobj)
#endif
#define SIOCADDFR SIOCADAFR
#define SIOCDELFR SIOCRMAFR
#define SIOCINSFR SIOCINAFR
#define SIOCATHST SIOCSTAT1
#define SIOCGFRST SIOCSTAT2
struct ipscan;
@ -111,6 +125,11 @@ typedef union i6addr {
struct in6_addr in6;
void *vptr[2];
lookupfunc_t lptr[2];
struct {
u_short type;
u_short subtype;
char label[12];
} i6un;
} i6addr_t;
#else
typedef union i6addr {
@ -118,12 +137,19 @@ typedef union i6addr {
struct in_addr in4;
void *vptr[2];
lookupfunc_t lptr[2];
struct {
u_short type;
u_short subtype;
char label[12];
} i6un;
} i6addr_t;
#endif
#define in4_addr in4.s_addr
#define iplookupnum i6[0]
#define iplookuptype i6[1]
#define iplookupnum i6[1]
#define iplookupname i6un.label
#define iplookuptype i6un.type
#define iplookupsubtype i6un.subtype
/*
* NOTE: These DO overlap the above on 64bit systems and this IS recognised.
*/
@ -249,8 +275,12 @@ typedef struct fr_ip {
#define fi_daddr fi_dst.in4.s_addr
#define fi_srcnum fi_src.iplookupnum
#define fi_dstnum fi_dst.iplookupnum
#define fi_srcname fi_src.iplookupname
#define fi_dstname fi_dst.iplookupname
#define fi_srctype fi_src.iplookuptype
#define fi_dsttype fi_dst.iplookuptype
#define fi_srcsubtype fi_src.iplookupsubtype
#define fi_dstsubtype fi_dst.iplookupsubtype
#define fi_srcptr fi_src.iplookupptr
#define fi_dstptr fi_dst.iplookupptr
#define fi_srcfunc fi_src.iplookupfunc
@ -299,6 +329,7 @@ typedef struct fr_info {
void *fin_nat;
void *fin_state;
void *fin_nattag;
void *fin_exthdr;
ip_t *fin_ip;
mb_t **fin_mp; /* pointer to pointer to mbuf */
mb_t *fin_m; /* pointer to mbuf */
@ -329,8 +360,8 @@ typedef struct fr_info {
#define fin_dport fin_dat.fid_16[1]
#define fin_ports fin_dat.fid_32
#define IPF_IN 0
#define IPF_OUT 1
#define IPF_IN 0
#define IPF_OUT 1
typedef struct frentry *(*ipfunc_t) __P((fr_info_t *, u_32_t *));
typedef int (*ipfuncinit_t) __P((struct frentry *));
@ -440,9 +471,13 @@ typedef struct fripf {
int fri_difpidx; /* index into fr_ifps[] to use when */
} fripf_t;
#define fri_dstnum fri_ip.fi_dstnum
#define fri_dlookup fri_mip.fi_dst
#define fri_slookup fri_mip.fi_src
#define fri_dstnum fri_mip.fi_dstnum
#define fri_srcnum fri_mip.fi_srcnum
#define fri_dstptr fri_ip.fi_dstptr
#define fri_dstname fri_mip.fi_dstname
#define fri_srcname fri_mip.fi_srcname
#define fri_dstptr fri_mip.fi_dstptr
#define fri_srcptr fri_mip.fi_srcptr
#define FRI_NORMAL 0 /* Normal address */
@ -467,6 +502,13 @@ typedef struct frentry {
char *fr_comment; /* text comment for rule */
int fr_ref; /* reference count - for grouping */
int fr_statecnt; /* state count - for limit rules */
/*
* The line number from a file is here because we need to be able to
* match the rule generated with ``grep rule ipf.conf | ipf -rf -''
* with the rule loaded using ``ipf -f ipf.conf'' - thus it can't be
* on the other side of fr_func.
*/
int fr_flineno; /* line number from conf file */
/*
* These are only incremented when a packet matches this rule and
* it is the last match
@ -494,7 +536,6 @@ typedef struct frentry {
int fr_dsize;
int fr_pps;
int fr_statemax; /* max reference count */
int fr_flineno; /* line number from conf file */
u_32_t fr_type;
u_32_t fr_flags; /* per-rule flags && options (see below) */
u_32_t fr_logtag; /* user defined log tag # */
@ -554,8 +595,14 @@ typedef struct frentry {
#define fr_smask fr_mip.fi_src.in4.s_addr
#define fr_dstnum fr_ip.fi_dstnum
#define fr_srcnum fr_ip.fi_srcnum
#define fr_dlookup fr_ip.fi_dst
#define fr_slookup fr_ip.fi_src
#define fr_dstname fr_ip.fi_dstname
#define fr_srcname fr_ip.fi_srcname
#define fr_dsttype fr_ip.fi_dsttype
#define fr_srctype fr_ip.fi_srctype
#define fr_dstsubtype fr_ip.fi_dstsubtype
#define fr_srcsubtype fr_ip.fi_srcsubtype
#define fr_dstptr fr_mip.fi_dstptr
#define fr_srcptr fr_mip.fi_srcptr
#define fr_dstfunc fr_mip.fi_dstfunc
@ -1018,6 +1065,8 @@ typedef struct ipftq {
/* checks its timeout queues. */
#define IPF_TTLVAL(x) (((x) / IPF_HZ_MULT) * IPF_HZ_DIVIDE)
typedef int (*ipftq_delete_fn_t)(void *);
/*
* Structure to define address for pool lookups.
*/
@ -1053,6 +1102,13 @@ typedef struct ipfobj {
#define IPFOBJ_STATESTAT 11 /* struct ips_stat */
#define IPFOBJ_FRAUTH 12 /* struct frauth */
#define IPFOBJ_TUNEABLE 13 /* struct ipftune */
#define IPFOBJ_NAT 14 /* struct nat */
#define IPFOBJ_IPFITER 15 /* struct ipfruleiter */
#define IPFOBJ_GENITER 16 /* struct ipfgeniter */
#define IPFOBJ_GTABLE 17 /* struct ipftable */
#define IPFOBJ_LOOKUPITER 18 /* struct ipflookupiter */
#define IPFOBJ_STATETQTAB 19 /* struct ipftq [NSTATES] */
#define IPFOBJ_COUNT 20 /* How many #defines are above this? */
typedef union ipftunevalptr {
@ -1065,7 +1121,7 @@ typedef union ipftunevalptr {
typedef struct ipftuneable {
ipftunevalptr_t ipft_una;
char *ipft_name;
const char *ipft_name;
u_long ipft_min;
u_long ipft_max;
int ipft_sz;
@ -1104,6 +1160,66 @@ typedef struct ipftune {
#define ipft_vshort ipft_un.ipftu_short
#define ipft_vchar ipft_un.ipftu_char
/*
*
*/
typedef struct ipfruleiter {
int iri_inout;
char iri_group[FR_GROUPLEN];
int iri_active;
int iri_nrules;
int iri_v;
frentry_t *iri_rule;
} ipfruleiter_t;
/*
* Values for iri_inout
*/
#define F_IN 0
#define F_OUT 1
#define F_ACIN 2
#define F_ACOUT 3
typedef struct ipfgeniter {
int igi_type;
int igi_nitems;
void *igi_data;
} ipfgeniter_t;
#define IPFGENITER_IPF 0
#define IPFGENITER_NAT 1
#define IPFGENITER_IPNAT 2
#define IPFGENITER_FRAG 3
#define IPFGENITER_AUTH 4
#define IPFGENITER_STATE 5
#define IPFGENITER_NATFRAG 6
#define IPFGENITER_HOSTMAP 7
#define IPFGENITER_LOOKUP 8
typedef struct ipftable {
int ita_type;
void *ita_table;
} ipftable_t;
#define IPFTABLE_BUCKETS 1
/*
*
*/
typedef struct ipftoken {
struct ipftoken *ipt_next;
struct ipftoken **ipt_pnext;
void *ipt_ctx;
void *ipt_data;
u_long ipt_die;
int ipt_type;
int ipt_uid;
int ipt_subtype;
int ipt_alive;
} ipftoken_t;
/*
** HPUX Port
@ -1162,11 +1278,22 @@ extern int iplclose __P((dev_t, int));
extern void m_freem __P((mb_t *));
extern int bcopywrap __P((void *, void *, size_t));
#else /* #ifndef _KERNEL */
# ifdef BSD
# if (defined(__NetBSD__) && (__NetBSD_Version__ < 399000000)) || \
defined(__osf__) || \
(defined(__FreeBSD_version) && (__FreeBSD_version < 500043))
# include <sys/select.h>
# else
# include <sys/selinfo.h>
# endif
extern struct selinfo ipfselwait[IPL_LOGSIZE];
# endif
# if defined(__NetBSD__) && defined(PFIL_HOOKS)
extern void ipfilterattach __P((int));
# endif
extern int ipl_enable __P((void));
extern int ipl_disable __P((void));
extern int ipf_inject __P((fr_info_t *, mb_t *));
# ifdef MENTAT
extern int fr_check __P((struct ip *, int, void *, int, void *,
mblk_t **));
@ -1189,7 +1316,6 @@ extern int iplread __P((dev_t, uio_t *));
extern int iplwrite __P((dev_t, uio_t *));
extern int iplselect __P((dev_t, int));
# endif
extern int ipfsync __P((void));
extern int fr_qout __P((queue_t *, mblk_t *));
# else /* MENTAT */
extern int fr_check __P((struct ip *, int, void *, int, mb_t **));
@ -1202,7 +1328,6 @@ extern int iplopen __P((dev_t *, int, int, cred_t *));
extern int iplclose __P((dev_t, int, int, cred_t *));
extern int iplread __P((dev_t, uio_t *, cred_t *));
extern int iplwrite __P((dev_t, uio_t *, cred_t *));
extern int ipfsync __P((void));
extern int ipfilter_sgi_attach __P((void));
extern void ipfilter_sgi_detach __P((void));
extern void ipfilter_sgi_intfsync __P((void));
@ -1221,7 +1346,15 @@ extern int iplioctl __P((struct cdev*, u_long, caddr_t, int, struct thread *));
extern int iplioctl __P((dev_t, u_long, caddr_t, int, struct thread *));
# endif /* __FreeBSD_version >= 502116 */
# else
# if (__NetBSD_Version__ >= 499001000)
extern int iplioctl __P((dev_t, u_long, void *, int, struct lwp *));
# else
# if (__NetBSD_Version__ >= 399001400)
extern int iplioctl __P((dev_t, u_long, caddr_t, int, struct lwp *));
# else
extern int iplioctl __P((dev_t, u_long, caddr_t, int, struct proc *));
# endif
# endif
# endif /* __FreeBSD_version >= 500024 */
# else
extern int iplioctl __P((dev_t, int, caddr_t, int, struct proc *));
@ -1235,8 +1368,13 @@ extern int iplopen __P((dev_t, int, int, struct thread *));
extern int iplclose __P((dev_t, int, int, struct thread *));
# endif /* __FreeBSD_version >= 502116 */
# else
# if (__NetBSD_Version__ >= 399001400)
extern int iplopen __P((dev_t, int, int, struct lwp *));
extern int iplclose __P((dev_t, int, int, struct lwp *));
# else
extern int iplopen __P((dev_t, int, int, struct proc *));
extern int iplclose __P((dev_t, int, int, struct proc *));
# endif /* __NetBSD_Version__ >= 399001400 */
# endif /* __FreeBSD_version >= 500024 */
# else
# ifdef linux
@ -1270,21 +1408,22 @@ extern ipfmutex_t ipl_mutex, ipf_authmx, ipf_rw, ipf_hostmap;
extern ipfmutex_t ipf_timeoutlock, ipf_stinsert, ipf_natio, ipf_nat_new;
extern ipfrwlock_t ipf_mutex, ipf_global, ip_poolrw, ipf_ipidfrag;
extern ipfrwlock_t ipf_frag, ipf_state, ipf_nat, ipf_natfrag, ipf_auth;
extern ipfrwlock_t ipf_frcache;
extern ipfrwlock_t ipf_frcache, ipf_tokens;
extern char *memstr __P((const char *, char *, size_t, size_t));
extern int count4bits __P((u_32_t));
extern int frrequest __P((int, ioctlcmd_t, caddr_t, int, int));
extern char *getifname __P((struct ifnet *));
extern int iplattach __P((void));
extern int ipldetach __P((void));
extern int ipfattach __P((void));
extern int ipfdetach __P((void));
extern u_short ipf_cksum __P((u_short *, int));
extern int copyinptr __P((void *, void *, size_t));
extern int copyoutptr __P((void *, void *, size_t));
extern int fr_fastroute __P((mb_t *, mb_t **, fr_info_t *, frdest_t *));
extern int fr_inobj __P((void *, void *, int));
extern int fr_inobjsz __P((void *, void *, int, int));
extern int fr_ioctlswitch __P((int, void *, ioctlcmd_t, int));
extern int fr_ioctlswitch __P((int, void *, ioctlcmd_t, int, int, void *));
extern int fr_ipf_ioctl __P((caddr_t, ioctlcmd_t, int, int, void *));
extern int fr_ipftune __P((ioctlcmd_t, void *));
extern int fr_outobj __P((void *, void *, int));
extern int fr_outobjsz __P((void *, void *, int, int));
@ -1294,7 +1433,7 @@ extern int fr_resolvefunc __P((void *));
extern void *fr_resolvenic __P((char *, int));
extern int fr_send_icmp_err __P((int, fr_info_t *, int));
extern int fr_send_reset __P((fr_info_t *));
#if (__FreeBSD_version < 490000) || !defined(_KERNEL)
#if (__FreeBSD_version < 501000) || !defined(_KERNEL)
extern int ppsratecheck __P((struct timeval *, int *, int));
#endif
extern ipftq_t *fr_addtimeoutqueue __P((ipftq_t **, u_int));
@ -1356,12 +1495,20 @@ extern int fr_matchicmpqueryreply __P((int, icmpinfo_t *,
struct icmp *, int));
extern u_32_t fr_newisn __P((fr_info_t *));
extern u_short fr_nextipid __P((fr_info_t *));
extern int ipf_queueflush __P((ipftq_delete_fn_t, ipftq_t *, ipftq_t *));
extern int fr_rulen __P((int, frentry_t *));
extern int fr_scanlist __P((fr_info_t *, u_32_t));
extern frentry_t *fr_srcgrpmap __P((fr_info_t *, u_32_t *));
extern int fr_tcpudpchk __P((fr_info_t *, frtuc_t *));
extern int fr_verifysrc __P((fr_info_t *fin));
extern int fr_zerostats __P((char *));
extern ipftoken_t *ipf_findtoken __P((int, int, void *));
extern int ipf_getnextrule __P((ipftoken_t *, void *));
extern void ipf_expiretokens __P((void));
extern void ipf_freetoken __P((ipftoken_t *));
extern int ipf_deltoken __P((int,int, void *));
extern int ipfsync __P((void));
extern int ipf_genericiter __P((void *, int, void *));
extern int fr_running;
extern u_long fr_frouteok[2];
@ -1376,7 +1523,6 @@ extern int fr_update_ipid;
extern int nat_logging;
extern int ipstate_logging;
extern int ipl_suppress;
extern int ipl_buffer_sz;
extern int ipl_logmax;
extern int ipl_logall;
extern int ipl_logsize;

238
sys/contrib/ipfilter/netinet/ip_fil_freebsd.c
View File

@ -5,7 +5,7 @@
*/
#if !defined(lint)
static const char sccsid[] = "@(#)ip_fil.c 2.41 6/5/96 (C) 1993-2000 Darren Reed";
static const char rcsid[] = "@(#)$Id: ip_fil_freebsd.c,v 2.53.2.32 2006/03/25 13:03:01 darrenr Exp $";
static const char rcsid[] = "@(#)$Id: ip_fil_freebsd.c,v 2.53.2.46 2007/05/11 13:41:53 darrenr Exp $";
#endif
#if defined(KERNEL) || defined(_KERNEL)
@ -55,11 +55,18 @@ static const char rcsid[] = "@(#)$Id: ip_fil_freebsd.c,v 2.53.2.32 2006/03/25 13
#endif
#include <sys/protosw.h>
#include <sys/socket.h>
#include <sys/selinfo.h>
#if __FreeBSD_version >= 500043
# include <sys/selinfo.h>
#else
# include <sys/select.h>
#endif
#include <net/if.h>
#if __FreeBSD_version >= 300000
# include <net/if_var.h>
# if __FreeBSD_version >= 500043
# include <net/netisr.h>
# endif
# if !defined(IPFILTER_LKM)
# include "opt_ipfilter.h"
# endif
@ -124,7 +131,7 @@ static int fr_send_ip __P((fr_info_t *, mb_t *, mb_t **));
# ifdef USE_MUTEXES
ipfmutex_t ipl_mutex, ipf_authmx, ipf_rw, ipf_stinsert;
ipfmutex_t ipf_nat_new, ipf_natio, ipf_timeoutlock;
ipfrwlock_t ipf_mutex, ipf_global, ipf_ipidfrag, ipf_frcache;
ipfrwlock_t ipf_mutex, ipf_global, ipf_ipidfrag, ipf_frcache, ipf_tokens;
ipfrwlock_t ipf_frag, ipf_state, ipf_nat, ipf_natfrag, ipf_auth;
# endif
int ipf_locks_done = 0;
@ -191,7 +198,7 @@ char *s;
#endif /* IPFILTER_LKM */
int iplattach()
int ipfattach()
{
#ifdef USE_SPL
int s;
@ -213,11 +220,9 @@ int iplattach()
}
MUTEX_INIT(&ipf_rw, "ipf rw mutex");
RWLOCK_INIT(&ipf_global, "ipf filter load/unload mutex");
MUTEX_INIT(&ipf_timeoutlock, "ipf timeout queue mutex");
RWLOCK_INIT(&ipf_mutex, "ipf filter rwlock");
RWLOCK_INIT(&ipf_frcache, "ipf cache rwlock");
RWLOCK_INIT(&ipf_ipidfrag, "ipf IP NAT-Frag rwlock");
RWLOCK_INIT(&ipf_tokens, "ipf token rwlock");
ipf_locks_done = 1;
if (fr_initialise() < 0) {
@ -324,7 +329,7 @@ int iplattach()
* Disable the filter by removing the hooks from the IP input/output
* stream.
*/
int ipldetach()
int ipfdetach()
{
#ifdef USE_SPL
int s;
@ -418,10 +423,8 @@ int ipldetach()
if (ipf_locks_done == 1) {
MUTEX_DESTROY(&ipf_timeoutlock);
MUTEX_DESTROY(&ipf_rw);
RW_DESTROY(&ipf_mutex);
RW_DESTROY(&ipf_frcache);
RW_DESTROY(&ipf_ipidfrag);
RW_DESTROY(&ipf_global);
RW_DESTROY(&ipf_tokens);
ipf_locks_done = 0;
}
@ -439,8 +442,14 @@ int iplioctl(dev, cmd, data, mode
, p)
# if (__FreeBSD_version >= 500024)
struct thread *p;
# if (__FreeBSD_version >= 500043)
# define p_uid td_ucred->cr_ruid
# else
# define p_uid t_proc->p_cred->p_ruid
# endif
# else
struct proc *p;
# define p_uid p_cred->p_ruid
# endif /* __FreeBSD_version >= 500024 */
# else
)
@ -454,11 +463,8 @@ ioctlcmd_t cmd;
caddr_t data;
int mode;
{
#ifdef USE_SPL
int s;
#endif
int error = 0, unit = 0, tmp;
friostat_t fio;
int error = 0, unit = 0;
SPL_INT(s);
#if (BSD >= 199306) && defined(_KERNEL)
if ((securelevel >= 3) && (mode & FWRITE))
@ -481,149 +487,12 @@ int mode;
SPL_NET(s);
READ_ENTER(&ipf_global);
error = fr_ioctlswitch(unit, data, cmd, mode);
error = fr_ioctlswitch(unit, data, cmd, mode, p->p_uid, p);
if (error != -1) {
RWLOCK_EXIT(&ipf_global);
SPL_X(s);
return error;
}
error = 0;
switch (cmd)
{
case FIONREAD :
#ifdef IPFILTER_LOG
BCOPYOUT(&iplused[IPL_LOGIPF], (caddr_t)data,
sizeof(iplused[IPL_LOGIPF]));
#endif
break;
case SIOCFRENB :
if (!(mode & FWRITE))
error = EPERM;
else {
BCOPYIN(data, &tmp, sizeof(tmp));
if (tmp) {
if (fr_running > 0)
error = 0;
else
error = iplattach();
if (error == 0)
fr_running = 1;
else
(void) ipldetach();
} else {
error = ipldetach();
if (error == 0)
fr_running = -1;
}
}
break;
case SIOCIPFSET :
if (!(mode & FWRITE)) {
error = EPERM;
break;
}
case SIOCIPFGETNEXT :
case SIOCIPFGET :
error = fr_ipftune(cmd, data);
break;
case SIOCSETFF :
if (!(mode & FWRITE))
error = EPERM;
else
BCOPYIN(data, &fr_flags, sizeof(fr_flags));
break;
case SIOCGETFF :
BCOPYOUT(&fr_flags, data, sizeof(fr_flags));
break;
case SIOCFUNCL :
error = fr_resolvefunc(data);
break;
case SIOCINAFR :
case SIOCRMAFR :
case SIOCADAFR :
case SIOCZRLST :
if (!(mode & FWRITE))
error = EPERM;
else
error = frrequest(unit, cmd, data, fr_active, 1);
break;
case SIOCINIFR :
case SIOCRMIFR :
case SIOCADIFR :
if (!(mode & FWRITE))
error = EPERM;
else
error = frrequest(unit, cmd, data, 1 - fr_active, 1);
break;
case SIOCSWAPA :
if (!(mode & FWRITE))
error = EPERM;
else {
bzero((char *)frcache, sizeof(frcache[0]) * 2);
*(u_int *)data = fr_active;
fr_active = 1 - fr_active;
}
break;
case SIOCGETFS :
fr_getstat(&fio);
error = fr_outobj(data, &fio, IPFOBJ_IPFSTAT);
break;
case SIOCFRZST :
if (!(mode & FWRITE))
error = EPERM;
else
error = fr_zerostats(data);
break;
case SIOCIPFFL :
if (!(mode & FWRITE))
error = EPERM;
else {
BCOPYIN(data, &tmp, sizeof(tmp));
tmp = frflush(unit, 4, tmp);
BCOPYOUT(&tmp, data, sizeof(tmp));
}
break;
#ifdef USE_INET6
case SIOCIPFL6 :
if (!(mode & FWRITE))
error = EPERM;
else {
BCOPYIN(data, &tmp, sizeof(tmp));
tmp = frflush(unit, 6, tmp);
BCOPYOUT(&tmp, data, sizeof(tmp));
}
break;
#endif
case SIOCSTLCK :
BCOPYIN(data, &tmp, sizeof(tmp));
fr_state_lock = tmp;
fr_nat_lock = tmp;
fr_frag_lock = tmp;
fr_auth_lock = tmp;
break;
#ifdef IPFILTER_LOG
case SIOCIPFFB :
if (!(mode & FWRITE))
error = EPERM;
else
*(int *)data = ipflog_clear(unit);
break;
#endif /* IPFILTER_LOG */
case SIOCGFRST :
error = fr_outobj(data, fr_fragstats(), IPFOBJ_FRAGSTAT);
break;
case SIOCFRSYN :
if (!(mode & FWRITE))
error = EPERM;
else {
frsync(NULL);
}
break;
default :
error = EINVAL;
break;
}
RWLOCK_EXIT(&ipf_global);
SPL_X(s);
@ -752,6 +621,9 @@ register struct uio *uio;
{
u_int xmin = GET_MINOR(dev);
if (fr_running < 1)
return EIO;
if (xmin < 0)
return ENXIO;
@ -788,6 +660,9 @@ dev_t dev;
register struct uio *uio;
{
if (fr_running < 1)
return EIO;
#ifdef IPFILTER_SYNC
if (GET_MINOR(dev) == IPL_LOGSYNC)
return ipfsync_write(uio);
@ -1145,7 +1020,7 @@ void
# endif
iplinit()
{
if (iplattach() != 0)
if (ipfattach() != 0)
printf("IP Filter failed to attach\n");
ip_init();
}
@ -1256,9 +1131,11 @@ frdest_t *fdp;
/*
* For input packets which are being "fastrouted", they won't
* go back through output filtering and miss their chance to get
* NAT'd and counted.
* NAT'd and counted. Duplicated packets aren't considered to be
* part of the normal packet stream, so do not NAT them or pass
* them through stateful checking, etc.
*/
if (fin->fin_out == 0) {
if ((fdp != &fr->fr_dif) && (fin->fin_out == 0)) {
sifp = fin->fin_ifp;
fin->fin_ifp = ifp;
fin->fin_out = 1;
@ -1267,7 +1144,8 @@ frdest_t *fdp;
if (!fr || !(fr->fr_flags & FR_RETMASK)) {
u_32_t pass;
(void) fr_checkstate(fin, &pass);
if (fr_checkstate(fin, &pass) != NULL)
fr_statederef((ipstate_t **)&fin->fin_state);
}
switch (fr_checknatout(fin, NULL))
@ -1275,6 +1153,7 @@ frdest_t *fdp;
case 0 :
break;
case 1 :
fr_natderef((nat_t **)&fin->fin_nat);
ip->ip_sum = 0;
break;
case -1 :
@ -1734,3 +1613,46 @@ int len;
fin->fin_flx |= FI_COALESCE;
return ip;
}
int ipf_inject(fin, m)
fr_info_t *fin;
mb_t *m;
{
int error = 0;
if (fin->fin_out == 0) {
#if (__FreeBSD_version >= 501000)
netisr_dispatch(NETISR_IP, m);
#else
struct ifqueue *ifq;
ifq = &ipintrq;
# ifdef _IF_QFULL
if (_IF_QFULL(ifq))
# else
if (IF_QFULL(ifq))
# endif
{
# ifdef _IF_DROP
_IF_DROP(ifq);
# else
IF_DROP(ifq);
# endif
FREE_MB_T(m);
error = ENOBUFS;
} else {
IF_ENQUEUE(ifq, m);
}
#endif
} else {
#if (__FreeBSD_version >= 470102)
error = ip_output(m, NULL, NULL, IP_FORWARDING, NULL, NULL);
#else
error = ip_output(m, NULL, NULL, IP_FORWARDING, NULL);
#endif
}
return error;
}

196
sys/contrib/ipfilter/netinet/ip_frag.c
View File

@ -100,20 +100,21 @@ extern struct timeout fr_slowtimer_ch;
#if !defined(lint)
static const char sccsid[] = "@(#)ip_frag.c 1.11 3/24/96 (C) 1993-2000 Darren Reed";
static const char rcsid[] = "@(#)$Id: ip_frag.c,v 2.77.2.5 2006/02/26 08:26:54 darrenr Exp $";
static const char rcsid[] = "@(#)$Id: ip_frag.c,v 2.77.2.9 2007/05/27 11:13:44 darrenr Exp $";
#endif
static ipfr_t *ipfr_list = NULL;
static ipfr_t **ipfr_tail = &ipfr_list;
ipfr_t *ipfr_list = NULL;
ipfr_t **ipfr_tail = &ipfr_list;
ipfr_t *ipfr_natlist = NULL;
ipfr_t **ipfr_nattail = &ipfr_natlist;
ipfr_t *ipfr_ipidlist = NULL;
ipfr_t **ipfr_ipidtail = &ipfr_ipidlist;
static ipfr_t **ipfr_heads;
static ipfr_t *ipfr_natlist = NULL;
static ipfr_t **ipfr_nattail = &ipfr_natlist;
static ipfr_t **ipfr_nattab;
static ipfr_t *ipfr_ipidlist = NULL;
static ipfr_t **ipfr_ipidtail = &ipfr_ipidlist;
static ipfr_t **ipfr_ipidtab;
static ipfrstat_t ipfr_stats;
@ -129,6 +130,7 @@ u_long fr_ticks = 0;
static ipfr_t *ipfr_newfrag __P((fr_info_t *, u_32_t, ipfr_t **));
static ipfr_t *fr_fraglookup __P((fr_info_t *, ipfr_t **));
static void fr_fragdelete __P((ipfr_t *, ipfr_t ***));
static void fr_fragfree __P((ipfr_t *));
/* ------------------------------------------------------------------------ */
@ -305,6 +307,7 @@ ipfr_t *table[];
fra->ipfr_seen0 = 1;
fra->ipfr_off = off + (fin->fin_dlen >> 3);
fra->ipfr_pass = pass;
fra->ipfr_ref = 1;
ipfr_stats.ifs_new++;
ipfr_inuse++;
return fra;
@ -685,11 +688,6 @@ void *ptr;
static void fr_fragdelete(fra, tail)
ipfr_t *fra, ***tail;
{
frentry_t *fr;
fr = fra->ipfr_rule;
if (fr != NULL)
(void)fr_derefrule(&fr);
if (fra->ipfr_next)
fra->ipfr_next->ipfr_prev = fra->ipfr_prev;
@ -700,7 +698,30 @@ ipfr_t *fra, ***tail;
if (fra->ipfr_hnext)
fra->ipfr_hnext->ipfr_hprev = fra->ipfr_hprev;
*fra->ipfr_hprev = fra->ipfr_hnext;
if (fra->ipfr_rule != NULL) {
(void) fr_derefrule(&fra->ipfr_rule);
}
if (fra->ipfr_ref <= 0)
fr_fragfree(fra);
}
/* ------------------------------------------------------------------------ */
/* Function: fr_fragfree */
/* Returns: Nil */
/* Parameters: fra - pointer to frag structure to free */
/* */
/* Take care of the details associated with deleting an entry from the frag */
/* cache. Currently this just means bumping stats correctly after freeing */
/* ------------------------------------------------------------------------ */
static void fr_fragfree(fra)
ipfr_t *fra;
{
KFREE(fra);
ipfr_stats.ifs_expire++;
ipfr_inuse--;
}
@ -718,8 +739,10 @@ void fr_fragclear()
nat_t *nat;
WRITE_ENTER(&ipf_frag);
while ((fra = ipfr_list) != NULL)
while ((fra = ipfr_list) != NULL) {
fra->ipfr_ref--;
fr_fragdelete(fra, &ipfr_tail);
}
ipfr_tail = &ipfr_list;
RWLOCK_EXIT(&ipf_frag);
@ -731,6 +754,7 @@ void fr_fragclear()
if (nat->nat_data == fra)
nat->nat_data = NULL;
}
fra->ipfr_ref--;
fr_fragdelete(fra, &ipfr_nattail);
}
ipfr_nattail = &ipfr_natlist;
@ -764,9 +788,8 @@ void fr_fragexpire()
for (fp = &ipfr_list; ((fra = *fp) != NULL); ) {
if (fra->ipfr_ttl > fr_ticks)
break;
fra->ipfr_ref--;
fr_fragdelete(fra, &ipfr_tail);
ipfr_stats.ifs_expire++;
ipfr_inuse--;
}
RWLOCK_EXIT(&ipf_frag);
@ -774,9 +797,8 @@ void fr_fragexpire()
for (fp = &ipfr_ipidlist; ((fra = *fp) != NULL); ) {
if (fra->ipfr_ttl > fr_ticks)
break;
fra->ipfr_ref--;
fr_fragdelete(fra, &ipfr_ipidtail);
ipfr_stats.ifs_expire++;
ipfr_inuse--;
}
RWLOCK_EXIT(&ipf_ipidfrag);
@ -786,23 +808,27 @@ void fr_fragexpire()
* at the one to be free'd, NULL the reference from the NAT struct.
* NOTE: We need to grab both mutex's early, and in this order so as
* to prevent a deadlock if both try to expire at the same time.
* The extra if() statement here is because it locks out all NAT
* operations - no need to do that if there are no entries in this
* list, right?
*/
WRITE_ENTER(&ipf_nat);
WRITE_ENTER(&ipf_natfrag);
for (fp = &ipfr_natlist; ((fra = *fp) != NULL); ) {
if (fra->ipfr_ttl > fr_ticks)
break;
nat = fra->ipfr_data;
if (nat != NULL) {
if (nat->nat_data == fra)
nat->nat_data = NULL;
if (ipfr_natlist != NULL) {
WRITE_ENTER(&ipf_nat);
WRITE_ENTER(&ipf_natfrag);
for (fp = &ipfr_natlist; ((fra = *fp) != NULL); ) {
if (fra->ipfr_ttl > fr_ticks)
break;
nat = fra->ipfr_data;
if (nat != NULL) {
if (nat->nat_data == fra)
nat->nat_data = NULL;
}
fra->ipfr_ref--;
fr_fragdelete(fra, &ipfr_nattail);
}
fr_fragdelete(fra, &ipfr_nattail);
ipfr_stats.ifs_expire++;
ipfr_inuse--;
RWLOCK_EXIT(&ipf_natfrag);
RWLOCK_EXIT(&ipf_nat);
}
RWLOCK_EXIT(&ipf_natfrag);
RWLOCK_EXIT(&ipf_nat);
SPL_X(s);
}
@ -825,6 +851,7 @@ int fr_slowtimer()
{
READ_ENTER(&ipf_global);
ipf_expiretokens();
fr_fragexpire();
fr_timeoutstate();
fr_natexpire();
@ -858,3 +885,106 @@ int fr_slowtimer()
# endif
}
#endif /* !SOLARIS && !defined(__hpux) && !defined(__sgi) */
/* ------------------------------------------------------------------------ */
/* Function: fr_nextfrag */
/* Returns: int - 0 == success, else error */
/* Parameters: token(I) - pointer to token information for this caller */
/* itp(I) - pointer to generic iterator from caller */
/* top(I) - top of the fragment list */
/* tail(I) - tail of the fragment list */
/* lock(I) - fragment cache lock */
/* */
/* This function is used to interate through the list of entries in the */
/* fragment cache. It increases the reference count on the one currently */
/* being returned so that the caller can come back and resume from it later.*/
/* */
/* This function is used for both the NAT fragment cache as well as the ipf */
/* fragment cache - hence the reason for passing in top, tail and lock. */
/* ------------------------------------------------------------------------ */
int fr_nextfrag(token, itp, top, tail
#ifdef USE_MUTEXES
, lock
#endif
)
ipftoken_t *token;
ipfgeniter_t *itp;
ipfr_t **top, ***tail;
#ifdef USE_MUTEXES
ipfrwlock_t *lock;
#endif
{
ipfr_t *frag, *next, zero;
int error = 0;
frag = token->ipt_data;
if (frag == (ipfr_t *)-1) {
ipf_freetoken(token);
return ESRCH;
}
READ_ENTER(lock);
if (frag == NULL)
next = *top;
else
next = frag->ipfr_next;
if (next != NULL) {
ATOMIC_INC(next->ipfr_ref);
token->ipt_data = next;
} else {
bzero(&zero, sizeof(zero));
next = &zero;
token->ipt_data = (void *)-1;
}
RWLOCK_EXIT(lock);
if (frag != NULL) {
WRITE_ENTER(lock);
frag->ipfr_ref--;
if (frag->ipfr_ref <= 0)
fr_fragfree(frag);
RWLOCK_EXIT(lock);
}
error = COPYOUT(next, itp->igi_data, sizeof(*next));
if (error != 0)
error = EFAULT;
return error;
}
/* ------------------------------------------------------------------------ */
/* Function: fr_fragderef */
/* Returns: Nil */
/* Parameters: frp(IO) - pointer to fragment structure to deference */
/* lock(I) - lock associated with the fragment */
/* */
/* This function dereferences a fragment structure (ipfr_t). The pointer */
/* passed in will always be reset back to NULL, even if the structure is */
/* not freed, to enforce the notion that the caller is no longer entitled */
/* to use the pointer it is dropping the reference to. */
/* ------------------------------------------------------------------------ */
void fr_fragderef(frp
#ifdef USE_MUTEXES
, lock
#endif
)
ipfr_t **frp;
#ifdef USE_MUTEXES
ipfrwlock_t *lock;
#endif
{
ipfr_t *fra;
fra = *frp;
*frp = NULL;
WRITE_ENTER(lock);
fra->ipfr_ref--;
if (fra->ipfr_ref <= 0)
fr_fragfree(fra);
RWLOCK_EXIT(lock);
}

27
sys/contrib/ipfilter/netinet/ip_frag.h
View File

@ -4,7 +4,7 @@
* See the IPFILTER.LICENCE file for details on licencing.
*
* @(#)ip_frag.h 1.5 3/24/96
* $Id: ip_frag.h,v 2.23.2.2 2005/06/10 18:02:37 darrenr Exp $
* $Id: ip_frag.h,v 2.23.2.5 2006/12/23 11:11:47 darrenr Exp $
*/
#ifndef __IP_FRAG_H__
@ -16,6 +16,16 @@ typedef struct ipfr {
struct ipfr *ipfr_hnext, **ipfr_hprev;
struct ipfr *ipfr_next, **ipfr_prev;
void *ipfr_data;
frentry_t *ipfr_rule;
u_long ipfr_ttl;
int ipfr_ref;
u_short ipfr_off;
u_short ipfr_seen0;
/*
* All of the fields, from ipfr_ifp to ipfr_pass, are compared
* using bcmp to see if an identical entry is present. It is
* therefore important for this set to remain together.
*/
void *ipfr_ifp;
struct in_addr ipfr_src;
struct in_addr ipfr_dst;
@ -26,10 +36,6 @@ typedef struct ipfr {
u_char ipfr_p;
u_char ipfr_tos;
u_32_t ipfr_pass;
u_short ipfr_off;
u_char ipfr_ttl;
u_char ipfr_seen0;
frentry_t *ipfr_rule;
} ipfr_t;
@ -49,6 +55,8 @@ typedef struct ipfrstat {
#define IPFR_CMPSZ (offsetof(ipfr_t, ipfr_pass) - \
offsetof(ipfr_t, ipfr_ifp))
extern ipfr_t *ipfr_list, **ipfr_tail;
extern ipfr_t *ipfr_natlist, **ipfr_nattail;
extern int ipfr_size;
extern int fr_ipfrttl;
extern int fr_frag_lock;
@ -64,6 +72,15 @@ extern nat_t *fr_nat_knownfrag __P((fr_info_t *));
extern int fr_ipid_newfrag __P((fr_info_t *, u_32_t));
extern u_32_t fr_ipid_knownfrag __P((fr_info_t *));
#ifdef USE_MUTEXES
extern void fr_fragderef __P((ipfr_t **, ipfrwlock_t *));
extern int fr_nextfrag __P((ipftoken_t *, ipfgeniter_t *, ipfr_t **, \
ipfr_t ***, ipfrwlock_t *));
#else
extern void fr_fragderef __P((ipfr_t **));
extern int fr_nextfrag __P((ipftoken_t *, ipfgeniter_t *, ipfr_t **, \
ipfr_t ***));
#endif
extern void fr_forget __P((void *));
extern void fr_forgetnat __P((void *));

36
sys/contrib/ipfilter/netinet/ip_ftp_pxy.c
View File

@ -6,7 +6,7 @@
* Simple FTP transparent proxy for in-kernel use. For use with the NAT
* code.
*
* $Id: ip_ftp_pxy.c,v 2.88.2.19 2006/04/01 10:14:53 darrenr Exp $
* $Id: ip_ftp_pxy.c,v 2.88.2.22 2007/05/10 09:30:39 darrenr Exp $
*/
#define IPF_FTP_PROXY
@ -368,24 +368,11 @@ int dlen;
}
(void) fr_addstate(&fi, NULL, SI_W_DPORT);
if (fi.fin_state != NULL)
fr_statederef(&fi, (ipstate_t **)&fi.fin_state);
fr_statederef((ipstate_t **)&fi.fin_state);
}
ip->ip_len = slen;
ip->ip_src = swip;
ip->ip_dst = swip2;
} else {
ipstate_t *is;
nat_update(&fi, nat2, nat->nat_ptr);
READ_ENTER(&ipf_state);
is = nat2->nat_state;
if (is != NULL) {
MUTEX_ENTER(&is->is_lock);
(void)fr_tcp_age(&is->is_sti, &fi, ips_tqtqb,
is->is_flags);
MUTEX_EXIT(&is->is_lock);
}
RWLOCK_EXIT(&ipf_state);
}
return APR_INC(inc);
}
@ -730,25 +717,12 @@ u_int data_ip;
}
(void) fr_addstate(&fi, NULL, sflags);
if (fi.fin_state != NULL)
fr_statederef(&fi, (ipstate_t **)&fi.fin_state);
fr_statederef((ipstate_t **)&fi.fin_state);
}
ip->ip_len = slen;
ip->ip_src = swip;
ip->ip_dst = swip2;
} else {
ipstate_t *is;
nat_update(&fi, nat2, nat->nat_ptr);
READ_ENTER(&ipf_state);
is = nat2->nat_state;
if (is != NULL) {
MUTEX_ENTER(&is->is_lock);
(void)fr_tcp_age(&is->is_sti, &fi, ips_tqtqb,
is->is_flags);
MUTEX_EXIT(&is->is_lock);
}
RWLOCK_EXIT(&ipf_state);
}
return inc;
}
@ -1141,8 +1115,8 @@ int rv;
f->ftps_seq[1] = thseq + 1 - seqoff;
} else {
if (ippr_ftp_debug > 1) {
printf("FIN: thseq %x seqoff %d ftps_seq %x\n",
thseq, seqoff, f->ftps_seq[0]);
printf("FIN: thseq %x seqoff %d ftps_seq %x %x\n",
thseq, seqoff, f->ftps_seq[0], f->ftps_seq[1]);
}
return APR_ERR(1);
}

412
sys/contrib/ipfilter/netinet/ip_htable.c
View File

@ -51,7 +51,7 @@ struct file;
/* END OF INCLUDES */
#if !defined(lint)
static const char rcsid[] = "@(#)$Id: ip_htable.c,v 2.34.2.4 2005/11/13 15:38:37 darrenr Exp $";
static const char rcsid[] = "@(#)$Id: ip_htable.c,v 2.34.2.9 2007/02/02 23:06:16 darrenr Exp $";
#endif
#ifdef IPFILTER_LOOKUP
@ -101,30 +101,36 @@ iplookupop_t *op;
char name[FR_GROUPLEN];
int err, i, unit;
KMALLOC(iph, iphtable_t *);
if (iph == NULL) {
ipht_nomem[op->iplo_unit]++;
return ENOMEM;
}
err = COPYIN(op->iplo_struct, iph, sizeof(*iph));
if (err != 0) {
KFREE(iph);
return EFAULT;
}
unit = op->iplo_unit;
if ((op->iplo_arg & IPHASH_ANON) == 0)
iph = fr_existshtable(unit, op->iplo_name);
else
iph = NULL;
if (iph == NULL) {
KMALLOC(iph, iphtable_t *);
if (iph == NULL) {
ipht_nomem[op->iplo_unit]++;
return ENOMEM;
}
err = COPYIN(op->iplo_struct, iph, sizeof(*iph));
if (err != 0) {
KFREE(iph);
return EFAULT;
}
} else {
if ((iph->iph_flags & IPHASH_DELETE) == 0)
return EEXIST;
}
if (iph->iph_unit != unit) {
KFREE(iph);
if ((iph->iph_flags & IPHASH_DELETE) == 0) {
KFREE(iph);
}
return EINVAL;
}
if ((op->iplo_arg & IPHASH_ANON) == 0) {
if (fr_findhtable(op->iplo_unit, op->iplo_name) != NULL) {
KFREE(iph);
return EEXIST;
}
} else {
if ((op->iplo_arg & IPHASH_ANON) != 0) {
i = IPHASH_ANON;
do {
i++;
@ -145,24 +151,33 @@ iplookupop_t *op;
iph->iph_type |= IPHASH_ANON;
}
KMALLOCS(iph->iph_table, iphtent_t **,
iph->iph_size * sizeof(*iph->iph_table));
if (iph->iph_table == NULL) {
KFREE(iph);
ipht_nomem[unit]++;
return ENOMEM;
if ((iph->iph_flags & IPHASH_DELETE) == 0) {
KMALLOCS(iph->iph_table, iphtent_t **,
iph->iph_size * sizeof(*iph->iph_table));
if (iph->iph_table == NULL) {
if ((iph->iph_flags & IPHASH_DELETE) == 0) {
KFREE(iph);
}
ipht_nomem[unit]++;
return ENOMEM;
}
bzero((char *)iph->iph_table,
iph->iph_size * sizeof(*iph->iph_table));
iph->iph_masks = 0;
iph->iph_list = NULL;
iph->iph_ref = 1;
iph->iph_next = ipf_htables[unit];
iph->iph_pnext = &ipf_htables[unit];
if (ipf_htables[unit] != NULL)
ipf_htables[unit]->iph_pnext = &iph->iph_next;
ipf_htables[unit] = iph;
ipf_nhtables[unit]++;
}
bzero((char *)iph->iph_table, iph->iph_size * sizeof(*iph->iph_table));
iph->iph_masks = 0;
iph->iph_next = ipf_htables[unit];
iph->iph_pnext = &ipf_htables[unit];
if (ipf_htables[unit] != NULL)
ipf_htables[unit]->iph_pnext = &iph->iph_next;
ipf_htables[unit] = iph;
ipf_nhtables[unit]++;
iph->iph_flags &= ~IPHASH_DELETE;
return 0;
}
@ -170,22 +185,24 @@ iplookupop_t *op;
/*
*/
int fr_removehtable(op)
iplookupop_t *op;
int fr_removehtable(unit, name)
int unit;
char *name;
{
iphtable_t *iph;
iph = fr_findhtable(op->iplo_unit, op->iplo_name);
iph = fr_findhtable(unit, name);
if (iph == NULL)
return ESRCH;
if (iph->iph_unit != op->iplo_unit) {
if (iph->iph_unit != unit) {
return EINVAL;
}
if (iph->iph_ref != 0) {
return EBUSY;
(void) fr_clearhtable(iph);
iph->iph_flags |= IPHASH_DELETE;
return 0;
}
fr_delhtable(iph);
@ -194,40 +211,106 @@ iplookupop_t *op;
}
void fr_delhtable(iph)
int fr_clearhtable(iph)
iphtable_t *iph;
{
iphtent_t *ipe;
int i;
for (i = 0; i < iph->iph_size; i++)
while ((ipe = iph->iph_table[i]) != NULL)
if (fr_delhtent(iph, ipe) != 0)
return;
while ((ipe = iph->iph_list) != NULL)
if (fr_delhtent(iph, ipe) != 0)
return 1;
return 0;
}
*iph->iph_pnext = iph->iph_next;
int fr_delhtable(iph)
iphtable_t *iph;
{
if (fr_clearhtable(iph) != 0)
return 1;
if (iph->iph_pnext != NULL)
*iph->iph_pnext = iph->iph_next;
if (iph->iph_next != NULL)
iph->iph_next->iph_pnext = iph->iph_pnext;
ipf_nhtables[iph->iph_unit]--;
return fr_derefhtable(iph);
}
/*
* Delete an entry from a hash table.
*/
int fr_delhtent(iph, ipe)
iphtable_t *iph;
iphtent_t *ipe;
{
if (ipe->ipe_phnext != NULL)
*ipe->ipe_phnext = ipe->ipe_hnext;
if (ipe->ipe_hnext != NULL)
ipe->ipe_hnext->ipe_phnext = ipe->ipe_phnext;
if (ipe->ipe_pnext != NULL)
*ipe->ipe_pnext = ipe->ipe_next;
if (ipe->ipe_next != NULL)
ipe->ipe_next->ipe_pnext = ipe->ipe_pnext;
switch (iph->iph_type & ~IPHASH_ANON)
{
case IPHASH_GROUPMAP :
if (ipe->ipe_group != NULL)
fr_delgroup(ipe->ipe_group, IPL_LOGIPF, fr_active);
break;
default :
ipe->ipe_ptr = NULL;
ipe->ipe_value = 0;
break;
}
return fr_derefhtent(ipe);
}
int fr_derefhtable(iph)
iphtable_t *iph;
{
int refs;
iph->iph_ref--;
refs = iph->iph_ref;
if (iph->iph_ref == 0) {
KFREES(iph->iph_table, iph->iph_size * sizeof(*iph->iph_table));
KFREE(iph);
}
return refs;
}
void fr_derefhtable(iph)
iphtable_t *iph;
int fr_derefhtent(ipe)
iphtent_t *ipe;
{
iph->iph_ref--;
if (iph->iph_ref == 0)
fr_delhtable(iph);
ipe->ipe_ref--;
if (ipe->ipe_ref == 0) {
ipf_nhtnodes[ipe->ipe_unit]--;
KFREE(ipe);
return 0;
}
return ipe->ipe_ref;
}
iphtable_t *fr_findhtable(unit, name)
iphtable_t *fr_existshtable(unit, name)
int unit;
char *name;
{
@ -240,6 +323,20 @@ char *name;
}
iphtable_t *fr_findhtable(unit, name)
int unit;
char *name;
{
iphtable_t *iph;
iph = fr_existshtable(unit, name);
if ((iph != NULL) && (iph->iph_flags & IPHASH_DELETE) == 0)
return iph;
return NULL;
}
size_t fr_flushhtable(op)
iplookupflush_t *op;
{
@ -252,8 +349,11 @@ iplookupflush_t *op;
for (i = 0; i <= IPL_LOGMAX; i++) {
if (op->iplf_unit == i || op->iplf_unit == IPL_LOGALL) {
while ((iph = ipf_htables[i]) != NULL) {
fr_delhtable(iph);
freed++;
if (fr_delhtable(iph) == 0) {
freed++;
} else {
iph->iph_flags |= IPHASH_DELETE;
}
}
}
}
@ -285,13 +385,20 @@ iphtent_t *ipeo;
hv = IPE_HASH_FN(ipe->ipe_addr.in4_addr, ipe->ipe_mask.in4_addr,
iph->iph_size);
ipe->ipe_ref = 0;
ipe->ipe_next = iph->iph_table[hv];
ipe->ipe_pnext = iph->iph_table + hv;
ipe->ipe_ref = 1;
ipe->ipe_hnext = iph->iph_table[hv];
ipe->ipe_phnext = iph->iph_table + hv;
if (iph->iph_table[hv] != NULL)
iph->iph_table[hv]->ipe_pnext = &ipe->ipe_next;
iph->iph_table[hv]->ipe_phnext = &ipe->ipe_hnext;
iph->iph_table[hv] = ipe;
ipe->ipe_next = iph->iph_list;
ipe->ipe_pnext = &iph->iph_list;
if (ipe->ipe_next != NULL)
ipe->ipe_next->ipe_pnext = &ipe->ipe_next;
iph->iph_list = ipe;
if ((bits >= 0) && (bits != 32))
iph->iph_masks |= 1 << bits;
@ -309,44 +416,8 @@ iphtent_t *ipeo;
break;
}
ipf_nhtnodes[iph->iph_unit]++;
return 0;
}
/*
* Delete an entry from a hash table.
*/
int fr_delhtent(iph, ipe)
iphtable_t *iph;
iphtent_t *ipe;
{
if (ipe->ipe_ref != 0)
return EBUSY;
*ipe->ipe_pnext = ipe->ipe_next;
if (ipe->ipe_next != NULL)
ipe->ipe_next->ipe_pnext = ipe->ipe_pnext;
switch (iph->iph_type & ~IPHASH_ANON)
{
case IPHASH_GROUPMAP :
if (ipe->ipe_group != NULL)
fr_delgroup(ipe->ipe_group, IPL_LOGIPF, fr_active);
break;
default :
ipe->ipe_ptr = NULL;
ipe->ipe_value = 0;
break;
}
KFREE(ipe);
ipf_nhtnodes[iph->iph_unit]--;
ipe->ipe_unit = iph->iph_unit;
ipf_nhtnodes[ipe->ipe_unit]++;
return 0;
}
@ -377,22 +448,22 @@ void *tptr, *aptr;
/* ------------------------------------------------------------------------ */
/* Function: fr_iphmfindip */
/* Returns: int - 0 == +ve match, -1 == error, 1 == -ve/no match */
/* Parameters: tptr(I) - pointer to the pool to search */
/* version(I) - IP protocol version (4 or 6) */
/* aptr(I) - pointer to address information */
/* Parameters: tptr(I) - pointer to the pool to search */
/* ipversion(I) - IP protocol version (4 or 6) */
/* aptr(I) - pointer to address information */
/* */
/* Search the hash table for a given address and return a search result. */
/* ------------------------------------------------------------------------ */
int fr_iphmfindip(tptr, version, aptr)
int fr_iphmfindip(tptr, ipversion, aptr)
void *tptr, *aptr;
int version;
int ipversion;
{
struct in_addr *addr;
iphtable_t *iph;
iphtent_t *ipe;
int rval;
if (version != 4)
if (ipversion != 4)
return -1;
if (tptr == NULL || aptr == NULL)
@ -426,7 +497,7 @@ struct in_addr *addr;
maskloop:
ips = ntohl(addr->s_addr) & msk;
hv = IPE_HASH_FN(ips, msk, iph->iph_size);
for (ipe = iph->iph_table[hv]; (ipe != NULL); ipe = ipe->ipe_next) {
for (ipe = iph->iph_table[hv]; (ipe != NULL); ipe = ipe->ipe_hnext) {
if (ipe->ipe_mask.in4_addr != msk ||
ipe->ipe_addr.in4_addr != ips) {
continue;
@ -449,4 +520,133 @@ struct in_addr *addr;
return ipe;
}
int fr_htable_getnext(token, ilp)
ipftoken_t *token;
ipflookupiter_t *ilp;
{
iphtent_t *node, zn, *nextnode;
iphtable_t *iph, zp, *nextiph;
int err;
err = 0;
iph = NULL;
node = NULL;
nextiph = NULL;
nextnode = NULL;
READ_ENTER(&ip_poolrw);
switch (ilp->ili_otype)
{
case IPFLOOKUPITER_LIST :
iph = token->ipt_data;
if (iph == NULL) {
nextiph = ipf_htables[(int)ilp->ili_unit];
} else {
nextiph = iph->iph_next;
}
if (nextiph != NULL) {
ATOMIC_INC(nextiph->iph_ref);
if (nextiph->iph_next == NULL)
token->ipt_alive = 0;
} else {
bzero((char *)&zp, sizeof(zp));
nextiph = &zp;
}
break;
case IPFLOOKUPITER_NODE :
node = token->ipt_data;
if (node == NULL) {
iph = fr_findhtable(ilp->ili_unit, ilp->ili_name);
if (iph == NULL)
err = ESRCH;
else {
nextnode = iph->iph_list;
}
} else {
nextnode = node->ipe_next;
}
if (nextnode != NULL) {
ATOMIC_INC(nextnode->ipe_ref);
if (nextnode->ipe_next == NULL)
token->ipt_alive = 0;
} else {
bzero((char *)&zn, sizeof(zn));
nextnode = &zn;
}
break;
default :
err = EINVAL;
break;
}
RWLOCK_EXIT(&ip_poolrw);
if (err != 0)
return err;
switch (ilp->ili_otype)
{
case IPFLOOKUPITER_LIST :
if (iph != NULL) {
WRITE_ENTER(&ip_poolrw);
fr_derefhtable(iph);
RWLOCK_EXIT(&ip_poolrw);
}
token->ipt_data = nextiph;
err = COPYOUT(nextiph, ilp->ili_data, sizeof(*nextiph));
if (err != 0)
err = EFAULT;
break;
case IPFLOOKUPITER_NODE :
if (node != NULL) {
WRITE_ENTER(&ip_poolrw);
fr_derefhtent(node);
RWLOCK_EXIT(&ip_poolrw);
}
token->ipt_data = nextnode;
err = COPYOUT(nextnode, ilp->ili_data, sizeof(*nextnode));
if (err != 0)
err = EFAULT;
break;
}
return err;
}
void fr_htable_iterderef(otype, unit, data)
u_int otype;
int unit;
void *data;
{
if (data == NULL)
return;
if (unit < 0 || unit > IPL_LOGMAX)
return;
switch (otype)
{
case IPFLOOKUPITER_LIST :
WRITE_ENTER(&ip_poolrw);
fr_derefhtable((iphtable_t *)data);
RWLOCK_EXIT(&ip_poolrw);
break;
case IPFLOOKUPITER_NODE :
WRITE_ENTER(&ip_poolrw);
fr_derefhtent((iphtent_t *)data);
RWLOCK_EXIT(&ip_poolrw);
break;
default :
break;
}
}
#endif /* IPFILTER_LOOKUP */

15
sys/contrib/ipfilter/netinet/ip_htable.h
View File

@ -5,10 +5,12 @@
typedef struct iphtent_s {
struct iphtent_s *ipe_next, **ipe_pnext;
struct iphtent_s *ipe_hnext, **ipe_phnext;
void *ipe_ptr;
i6addr_t ipe_addr;
i6addr_t ipe_mask;
int ipe_ref;
int ipe_unit;
union {
char ipeu_char[16];
u_long ipeu_long;
@ -26,6 +28,7 @@ typedef struct iphtable_s {
ipfrwlock_t iph_rwlock;
struct iphtable_s *iph_next, **iph_pnext;
struct iphtent_s **iph_table;
struct iphtent_s *iph_list;
size_t iph_size; /* size of hash table */
u_long iph_seed; /* hashing seed */
u_32_t iph_flags;
@ -39,6 +42,7 @@ typedef struct iphtable_s {
/* iph_type */
#define IPHASH_LOOKUP 0
#define IPHASH_GROUPMAP 1
#define IPHASH_DELETE 2
#define IPHASH_ANON 0x80000000
@ -53,17 +57,22 @@ typedef struct iphtstat_s {
extern iphtable_t *ipf_htables[IPL_LOGSIZE];
extern iphtable_t *fr_existshtable __P((int, char *));
extern int fr_clearhtable __P((iphtable_t *));
extern void fr_htable_unload __P((void));
extern int fr_newhtable __P((iplookupop_t *));
extern iphtable_t *fr_findhtable __P((int, char *));
extern int fr_removehtable __P((iplookupop_t *));
extern int fr_removehtable __P((int, char *));
extern size_t fr_flushhtable __P((iplookupflush_t *));
extern int fr_addhtent __P((iphtable_t *, iphtent_t *));
extern int fr_delhtent __P((iphtable_t *, iphtent_t *));
extern void fr_derefhtable __P((iphtable_t *));
extern void fr_delhtable __P((iphtable_t *));
extern int fr_derefhtable __P((iphtable_t *));
extern int fr_derefhtent __P((iphtent_t *));
extern int fr_delhtable __P((iphtable_t *));
extern void *fr_iphmfindgroup __P((void *, void *));
extern int fr_iphmfindip __P((void *, int, void *));
extern int fr_gethtablestat __P((iplookupop_t *));
extern int fr_htable_getnext __P((ipftoken_t *, ipflookupiter_t *));
extern void fr_htable_iterderef __P((u_int, int, void *));
#endif /* __IP_HTABLE_H__ */

6
sys/contrib/ipfilter/netinet/ip_ipsec_pxy.c
View File

@ -6,7 +6,7 @@
* Simple ISAKMP transparent proxy for in-kernel use. For use with the NAT
* code.
*
* $Id: ip_ipsec_pxy.c,v 2.20.2.7 2005/08/20 13:48:22 darrenr Exp $
* $Id: ip_ipsec_pxy.c,v 2.20.2.8 2006/07/14 06:12:14 darrenr Exp $
*
*/
#define IPF_IPSEC_PROXY
@ -177,7 +177,7 @@ nat_t *nat;
ipsec->ipsc_state = fr_addstate(&fi, &ipsec->ipsc_state,
SI_WILDP);
if (fi.fin_state != NULL)
fr_statederef(&fi, (ipstate_t **)&fi.fin_state);
fr_statederef((ipstate_t **)&fi.fin_state);
}
ip->ip_p = p & 0xff;
return 0;
@ -256,7 +256,7 @@ nat_t *nat;
&ipsec->ipsc_state,
SI_WILDP);
if (fi.fin_state != NULL)
fr_statederef(&fi, (ipstate_t **)&fi.fin_state);
fr_statederef((ipstate_t **)&fi.fin_state);
}
ip->ip_p = p;
}

4
sys/contrib/ipfilter/netinet/ip_irc_pxy.c
View File

@ -3,7 +3,7 @@
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* $Id: ip_irc_pxy.c,v 2.39.2.5 2005/12/04 23:39:27 darrenr Exp $
* $Id: ip_irc_pxy.c,v 2.39.2.6 2006/07/14 06:12:14 darrenr Exp $
*/
#define IPF_IRC_PROXY
@ -415,7 +415,7 @@ nat_t *nat;
(void) fr_addstate(&fi, NULL, SI_W_DPORT);
if (fi.fin_state != NULL)
fr_statederef(&fi, (ipstate_t **)&fi.fin_state);
fr_statederef((ipstate_t **)&fi.fin_state);
}
ip->ip_src = swip;
}

16
sys/contrib/ipfilter/netinet/ip_log.c
View File

@ -3,7 +3,7 @@
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* $Id: ip_log.c,v 2.75.2.11 2006/03/26 13:50:47 darrenr Exp $
* $Id: ip_log.c,v 2.75.2.15 2007/02/03 00:49:30 darrenr Exp $
*/
#include <sys/param.h>
#if defined(KERNEL) || defined(_KERNEL)
@ -14,7 +14,11 @@
#endif
#if defined(__NetBSD__) && (NetBSD >= 199905) && !defined(IPFILTER_LKM) && \
defined(_KERNEL)
# include "opt_ipfilter_log.h"
# if (__NetBSD_Version__ < 399001400)
# include "opt_ipfilter_log.h"
# else
# include "opt_ipfilter.h"
# endif
#endif
#if defined(__FreeBSD__) && !defined(IPFILTER_LKM)
# if defined(_KERNEL)
@ -147,7 +151,7 @@ extern int selwait;
# if defined(linux) && defined(_KERNEL)
wait_queue_head_t iplh_linux[IPL_LOGSIZE];
# endif
# if SOLARIS
# if SOLARIS && defined(_KERNEL)
extern kcondvar_t iplwait;
extern struct pollhead iplpollhead[IPL_LOGSIZE];
# endif
@ -156,7 +160,6 @@ iplog_t **iplh[IPL_LOGSIZE], *iplt[IPL_LOGSIZE], *ipll[IPL_LOGSIZE];
int iplused[IPL_LOGSIZE];
static fr_info_t iplcrc[IPL_LOGSIZE];
int ipl_suppress = 1;
int ipl_buffer_sz;
int ipl_logmax = IPL_LOGMAX;
int ipl_logall = 0;
int ipl_log_init = 0;
@ -259,8 +262,11 @@ u_int flags;
struct ifnet *ifp;
# endif /* SOLARIS || __hpux */
ipfl.fl_nattag.ipt_num[0] = 0;
m = fin->fin_m;
if (m == NULL)
return -1;
ipfl.fl_nattag.ipt_num[0] = 0;
ifp = fin->fin_ifp;
hlen = fin->fin_hlen;
/*

178
sys/contrib/ipfilter/netinet/ip_lookup.c
View File

@ -34,9 +34,6 @@ struct file;
#endif
#include <sys/socket.h>
#if (defined(__osf__) || defined(AIX) || defined(__hpux) || defined(__sgi)) && defined(_KERNEL)
# ifdef __osf__
# include <net/radix.h>
# endif
# include "radix_ipf_local.h"
# define _RADIX_H_
#endif
@ -61,7 +58,7 @@ struct file;
/* END OF INCLUDES */
#if !defined(lint)
static const char rcsid[] = "@(#)$Id: ip_lookup.c,v 2.35.2.8 2005/11/13 15:35:45 darrenr Exp $";
static const char rcsid[] = "@(#)$Id: ip_lookup.c,v 2.35.2.15 2007/05/26 13:05:13 darrenr Exp $";
#endif
#ifdef IPFILTER_LOOKUP
@ -129,10 +126,11 @@ void ip_lookup_unload()
/* involves just calling another function to handle the specifics of each */
/* command. */
/* ------------------------------------------------------------------------ */
int ip_lookup_ioctl(data, cmd, mode)
int ip_lookup_ioctl(data, cmd, mode, uid, ctx)
caddr_t data;
ioctlcmd_t cmd;
int mode;
int mode, uid;
void *ctx;
{
int err;
SPL_INT(s);
@ -182,6 +180,10 @@ int mode;
RWLOCK_EXIT(&ip_poolrw);
break;
case SIOCLOOKUPITER :
err = ip_lookup_iterate(data, uid, ctx);
break;
default :
err = EINVAL;
break;
@ -210,8 +212,13 @@ caddr_t data;
ip_pool_t *p;
int err;
err = 0;
BCOPYIN(data, &op, sizeof(op));
err = BCOPYIN(data, &op, sizeof(op));
if (err != 0)
return EFAULT;
if (op.iplo_unit < 0 || op.iplo_unit > IPL_LOGMAX)
return EINVAL;
op.iplo_name[sizeof(op.iplo_name) - 1] = '\0';
switch (op.iplo_type)
@ -283,6 +290,9 @@ caddr_t data;
err = 0;
BCOPYIN(data, &op, sizeof(op));
if (op.iplo_unit < 0 || op.iplo_unit > IPL_LOGMAX)
return EINVAL;
op.iplo_name[sizeof(op.iplo_name) - 1] = '\0';
switch (op.iplo_type)
@ -341,8 +351,12 @@ caddr_t data;
iplookupop_t op;
int err;
err = 0;
BCOPYIN(data, &op, sizeof(op));
err = BCOPYIN(data, &op, sizeof(op));
if (err != 0)
return EFAULT;
if (op.iplo_unit < 0 || op.iplo_unit > IPL_LOGMAX)
return EINVAL;
op.iplo_name[sizeof(op.iplo_name) - 1] = '\0';
@ -371,8 +385,10 @@ caddr_t data;
* For anonymous pools, copy back the operation struct because in the
* case of success it will contain the new table's name.
*/
if ((err == 0) && ((op.iplo_arg & IPOOL_ANON) != 0)) {
BCOPYOUT(&op, data, sizeof(op));
if ((err == 0) && ((op.iplo_arg & LOOKUP_ANON) != 0)) {
err = BCOPYOUT(&op, data, sizeof(op));
if (err != 0)
err = EFAULT;
}
return err;
@ -393,11 +409,14 @@ caddr_t data;
iplookupop_t op;
int err;
BCOPYIN(data, &op, sizeof(op));
op.iplo_name[sizeof(op.iplo_name) - 1] = '\0';
err = BCOPYIN(data, &op, sizeof(op));
if (err != 0)
return EFAULT;
if (op.iplo_arg & IPLT_ANON)
op.iplo_arg &= IPLT_ANON;
if (op.iplo_unit < 0 || op.iplo_unit > IPL_LOGMAX)
return EINVAL;
op.iplo_name[sizeof(op.iplo_name) - 1] = '\0';
/*
* create a new pool - fail if one already exists with
@ -406,11 +425,11 @@ caddr_t data;
switch (op.iplo_type)
{
case IPLT_POOL :
err = ip_pool_destroy(&op);
err = ip_pool_destroy(op.iplo_unit, op.iplo_name);
break;
case IPLT_HASH :
err = fr_removehtable(&op);
err = fr_removehtable(op.iplo_unit, op.iplo_name);
break;
default :
@ -434,8 +453,12 @@ caddr_t data;
iplookupop_t op;
int err;
err = 0;
BCOPYIN(data, &op, sizeof(op));
err = BCOPYIN(data, &op, sizeof(op));
if (err != 0)
return EFAULT;
if (op.iplo_unit < 0 || op.iplo_unit > IPL_LOGMAX)
return EINVAL;
switch (op.iplo_type)
{
@ -469,15 +492,16 @@ caddr_t data;
int err, unit, num, type;
iplookupflush_t flush;
err = 0;
BCOPYIN(data, &flush, sizeof(flush));
flush.iplf_name[sizeof(flush.iplf_name) - 1] = '\0';
err = BCOPYIN(data, &flush, sizeof(flush));
if (err != 0)
return EFAULT;
unit = flush.iplf_unit;
if ((unit < 0 || unit > IPL_LOGMAX) && (unit != IPLT_ALL))
return EINVAL;
flush.iplf_name[sizeof(flush.iplf_name) - 1] = '\0';
type = flush.iplf_type;
err = EINVAL;
num = 0;
@ -494,12 +518,23 @@ caddr_t data;
if (err == 0) {
flush.iplf_count = num;
err = COPYOUT(&flush, data, sizeof(flush));
err = BCOPYOUT(&flush, data, sizeof(flush));
if (err != 0)
err = EFAULT;
}
return err;
}
/* ------------------------------------------------------------------------ */
/* Function: ip_lookup_delref */
/* Returns: void */
/* Parameters: type(I) - table type to operate on */
/* ptr(I) - pointer to object to remove reference for */
/* */
/* This function organises calling the correct deref function for a given */
/* type of object being passed into it. */
/* ------------------------------------------------------------------------ */
void ip_lookup_deref(type, ptr)
int type;
void *ptr;
@ -522,13 +557,102 @@ void *ptr;
}
/* ------------------------------------------------------------------------ */
/* Function: ip_lookup_iterate */
/* Returns: int - 0 = success, else error */
/* Parameters: data(I) - pointer to data from ioctl call */
/* */
/* Decodes ioctl request to step through either hash tables or pools. */
/* ------------------------------------------------------------------------ */
int ip_lookup_iterate(data, uid, ctx)
void *data;
int uid;
void *ctx;
{
ipflookupiter_t iter;
ipftoken_t *token;
int err;
SPL_INT(s);
err = fr_inobj(data, &iter, IPFOBJ_LOOKUPITER);
if (err != 0)
return err;
if (iter.ili_unit < 0 || iter.ili_unit > IPL_LOGMAX)
return EINVAL;
if (iter.ili_ival != IPFGENITER_LOOKUP)
return EINVAL;
SPL_SCHED(s);
token = ipf_findtoken(iter.ili_key, uid, ctx);
if (token == NULL) {
RWLOCK_EXIT(&ipf_tokens);
SPL_X(s);
return ESRCH;
}
switch (iter.ili_type)
{
case IPLT_POOL :
err = ip_pool_getnext(token, &iter);
break;
case IPLT_HASH :
err = fr_htable_getnext(token, &iter);
break;
default :
err = EINVAL;
break;
}
RWLOCK_EXIT(&ipf_tokens);
SPL_X(s);
return err;
}
/* ------------------------------------------------------------------------ */
/* Function: iplookup_iterderef */
/* Returns: int - 0 = success, else error */
/* Parameters: data(I) - pointer to data from ioctl call */
/* */
/* Decodes ioctl request to remove a particular hash table or pool and */
/* calls the relevant function to do the cleanup. */
/* ------------------------------------------------------------------------ */
void ip_lookup_iterderef(type, data)
u_32_t type;
void *data;
{
iplookupiterkey_t key;
key.ilik_key = type;
if (key.ilik_unstr.ilik_ival != IPFGENITER_LOOKUP)
return;
switch (key.ilik_unstr.ilik_type)
{
case IPLT_HASH :
fr_htable_iterderef((u_int)key.ilik_unstr.ilik_otype,
(int)key.ilik_unstr.ilik_unit, data);
break;
case IPLT_POOL :
ip_pool_iterderef((u_int)key.ilik_unstr.ilik_otype,
(int)key.ilik_unstr.ilik_unit, data);
break;
}
}
#else /* IPFILTER_LOOKUP */
/*ARGSUSED*/
int ip_lookup_ioctl(data, cmd, mode)
int ip_lookup_ioctl(data, cmd, mode, uid, ctx)
caddr_t data;
ioctlcmd_t cmd;
int mode;
int mode, uid;
void *ctx;
{
return EIO;
}

35
sys/contrib/ipfilter/netinet/ip_lookup.h
View File

@ -33,6 +33,9 @@ typedef struct iplookupop {
void *iplo_struct;
} iplookupop_t;
#define LOOKUP_ANON 0x80000000
typedef struct iplookupflush {
int iplf_type; /* IPLT_* */
int iplf_unit; /* IPL_LOG* */
@ -55,9 +58,39 @@ typedef struct iplookuplink {
#define IPLT_ANON 0x80000000
typedef union {
struct iplookupiterkey {
char ilik_ival;
u_char ilik_type; /* IPLT_* */
u_char ilik_otype;
char ilik_unit; /* IPL_LOG* */
} ilik_unstr;
u_32_t ilik_key;
} iplookupiterkey_t;
typedef struct ipflookupiter {
int ili_nitems;
iplookupiterkey_t ili_lkey;
char ili_name[FR_GROUPLEN];
void *ili_data;
} ipflookupiter_t;
#define ili_key ili_lkey.ilik_key
#define ili_ival ili_lkey.ilik_unstr.ilik_ival
#define ili_unit ili_lkey.ilik_unstr.ilik_unit
#define ili_type ili_lkey.ilik_unstr.ilik_type
#define ili_otype ili_lkey.ilik_unstr.ilik_otype
#define IPFLOOKUPITER_LIST 0
#define IPFLOOKUPITER_NODE 1
extern int ip_lookup_init __P((void));
extern int ip_lookup_ioctl __P((caddr_t, ioctlcmd_t, int));
extern int ip_lookup_ioctl __P((caddr_t, ioctlcmd_t, int, int, void *));
extern void ip_lookup_unload __P((void));
extern void ip_lookup_deref __P((int, void *));
extern int ip_lookup_iterate __P((void *, int, void *));
extern void ip_lookup_iterderef __P((u_32_t, void *));
#endif /* __IP_LOOKUP_H__ */

973
sys/contrib/ipfilter/netinet/ip_nat.c
View File

File diff suppressed because it is too large Load Diff

37
sys/contrib/ipfilter/netinet/ip_nat.h
View File

@ -4,7 +4,7 @@
* See the IPFILTER.LICENCE file for details on licencing.
*
* @(#)ip_nat.h 1.5 2/4/96
* $Id: ip_nat.h,v 2.90.2.11 2005/06/18 02:41:32 darrenr Exp $
* $Id: ip_nat.h,v 2.90.2.17 2007/05/11 10:19:11 darrenr Exp $
*/
#ifndef __IP_NAT_H__
@ -121,6 +121,7 @@ typedef struct nat {
int nat_hv[2];
char nat_ifnames[2][LIFNAMSIZ];
int nat_rev; /* 0 = forward, 1 = reverse */
int nat_redir; /* copy of in_redir */
} nat_t;
#define nat_inip nat_inip6.in4
@ -133,6 +134,8 @@ typedef struct nat {
#define nat_seq nat_un.nat_uni.ici_seq
#define nat_id nat_un.nat_uni.ici_id
#define nat_tcpstate nat_tqe.tqe_state
#define nat_die nat_tqe.tqe_die
#define nat_touched nat_tqe.tqe_touched
/*
* Values for nat_dir
@ -149,7 +152,7 @@ typedef struct nat {
#define NAT_ICMPQUERY 0x0008 /* IPN_ICMPQUERY */
#define NAT_SEARCH 0x0010
#define NAT_SLAVE 0x0020 /* Slave connection for a proxy */
#define NAT_NOTRULEPORT 0x0040
#define NAT_NOTRULEPORT 0x0040 /* Don't use the port # in the NAT rule */
#define NAT_TCPUDP (NAT_TCP|NAT_UDP)
#define NAT_TCPUDPICMP (NAT_TCP|NAT_UDP|NAT_ICMPERR)
@ -168,6 +171,7 @@ typedef struct nat {
#define NAT_DEBUG 0x800000
typedef struct ipnat {
ipfmutex_t in_lock;
struct ipnat *in_next; /* NAT rule list next */
struct ipnat *in_rnext; /* rdr rule hash next */
struct ipnat **in_prnext; /* prior rdr next ptr */
@ -293,25 +297,6 @@ typedef struct natget {
} natget_t;
#undef tr_flags
typedef struct nattrpnt {
struct in_addr tr_dstip; /* real destination IP# */
struct in_addr tr_srcip; /* real source IP# */
struct in_addr tr_locip; /* local source IP# */
u_int tr_flags;
int tr_expire;
u_short tr_dstport; /* real destination port# */
u_short tr_srcport; /* real source port# */
u_short tr_locport; /* local source port# */
struct nattrpnt *tr_hnext;
struct nattrpnt **tr_phnext;
struct nattrpnt *tr_next;
struct nattrpnt **tr_pnext; /* previous next */
} nattrpnt_t;
#define TN_CMPSIZ offsetof(nattrpnt_t, tr_hnext)
/*
* This structure gets used to help NAT sessions keep the same NAT rule (and
* thus translation for IP address) when:
@ -319,6 +304,8 @@ typedef struct nattrpnt {
* (b) different IP add
*/
typedef struct hostmap {
struct hostmap *hm_hnext;
struct hostmap **hm_phnext;
struct hostmap *hm_next;
struct hostmap **hm_pnext;
struct ipnat *hm_ipnat;
@ -370,8 +357,9 @@ typedef struct natstat {
u_int ns_trpntab_sz;
u_int ns_hostmap_sz;
nat_t *ns_instances;
nattrpnt_t *ns_trpntlist;
hostmap_t *ns_maplist;
u_long *ns_bucketlen[2];
u_long ns_ticks;
} natstat_t;
typedef struct natlog {
@ -424,6 +412,7 @@ extern u_int ipf_hostmap_sz;
extern u_int fr_nat_maxbucket;
extern u_int fr_nat_maxbucket_reset;
extern int fr_nat_lock;
extern int fr_nat_doflush;
extern void fr_natsync __P((void *));
extern u_long fr_defnatage;
extern u_long fr_defnaticmpage;
@ -441,7 +430,7 @@ extern natstat_t nat_stats;
#if defined(__OpenBSD__)
extern void nat_ifdetach __P((void *));
#endif
extern int fr_nat_ioctl __P((caddr_t, ioctlcmd_t, int));
extern int fr_nat_ioctl __P((caddr_t, ioctlcmd_t, int, int, void *));
extern int fr_natinit __P((void));
extern nat_t *nat_new __P((fr_info_t *, ipnat_t *, nat_t **, u_int, int));
extern nat_t *nat_outlookup __P((fr_info_t *, u_int, u_int, struct in_addr,
@ -466,9 +455,11 @@ extern void fr_natexpire __P((void));
extern void nat_log __P((struct nat *, u_int));
extern void fix_incksum __P((fr_info_t *, u_short *, u_32_t));
extern void fix_outcksum __P((fr_info_t *, u_short *, u_32_t));
extern void fr_ipnatderef __P((ipnat_t **));
extern void fr_natderef __P((nat_t **));
extern u_short *nat_proto __P((fr_info_t *, nat_t *, u_int));
extern void nat_update __P((fr_info_t *, nat_t *, ipnat_t *));
extern void fr_setnatqueue __P((nat_t *, int));
extern void fr_hostmapdel __P((hostmap_t **));
#endif /* __IP_NAT_H__ */

375
sys/contrib/ipfilter/netinet/ip_pool.c
View File

@ -55,9 +55,6 @@ struct file;
#if defined(_KERNEL) && (defined(__osf__) || defined(AIX) || \
defined(__hpux) || defined(__sgi))
# ifdef __osf__
# include <net/radix.h>
# endif
# include "radix_ipf_local.h"
# define _RADIX_H_
#endif
@ -78,7 +75,7 @@ static int rn_freenode __P((struct radix_node *, void *));
#if !defined(lint)
static const char sccsid[] = "@(#)ip_fil.c 2.41 6/5/96 (C) 1993-2000 Darren Reed";
static const char rcsid[] = "@(#)$Id: ip_pool.c,v 2.55.2.15 2005/11/13 15:38:37 darrenr Exp $";
static const char rcsid[] = "@(#)$Id: ip_pool.c,v 2.55.2.20 2007/05/31 12:27:35 darrenr Exp $";
#endif
#ifdef IPFILTER_LOOKUP
@ -90,6 +87,9 @@ static const char rcsid[] = "@(#)$Id: ip_pool.c,v 2.55.2.15 2005/11/13 15:38:37
# define RADIX_NODE_HEAD_UNLOCK(x) ;
# endif
static void ip_pool_clearnodes __P((ip_pool_t *));
static void *ip_pool_exists __P((int, char *));
ip_pool_stat_t ipoolstat;
ipfrwlock_t ip_poolrw;
@ -137,7 +137,7 @@ main(argc, argv)
strcpy(op.iplo_name, "0");
if (ip_pool_create(&op) == 0)
ipo = ip_pool_find(0, "0");
ipo = ip_pool_exists(0, "0");
a.adf_addr.in4.s_addr = 0x0a010203;
b.adf_addr.in4.s_addr = 0xffffffff;
@ -262,18 +262,14 @@ int ip_pool_init()
void ip_pool_fini()
{
ip_pool_t *p, *q;
iplookupop_t op;
int i;
ASSERT(rw_read_locked(&ipf_global.ipf_lk) == 0);
for (i = 0; i <= IPL_LOGMAX; i++) {
for (q = ip_pool_list[i]; (p = q) != NULL; ) {
op.iplo_unit = i;
(void)strncpy(op.iplo_name, p->ipo_name,
sizeof(op.iplo_name));
q = p->ipo_next;
(void) ip_pool_destroy(&op);
(void) ip_pool_destroy(i, p->ipo_name);
}
}
@ -307,8 +303,8 @@ iplookupop_t *op;
stats.ipls_list[i] = ip_pool_list[i];
} else if (unit >= 0 && unit < IPL_LOGSIZE) {
if (op->iplo_name[0] != '\0')
stats.ipls_list[unit] = ip_pool_find(unit,
op->iplo_name);
stats.ipls_list[unit] = ip_pool_exists(unit,
op->iplo_name);
else
stats.ipls_list[unit] = ip_pool_list[unit];
} else
@ -319,16 +315,15 @@ iplookupop_t *op;
}
/* ------------------------------------------------------------------------ */
/* Function: ip_pool_find */
/* Function: ip_pool_exists */
/* Returns: int - 0 = success, else error */
/* Parameters: ipo(I) - pointer to the pool getting the new node. */
/* */
/* Find a matching pool inside the collection of pools for a particular */
/* device, indicated by the unit number. */
/* ------------------------------------------------------------------------ */
void *ip_pool_find(unit, name)
static void *ip_pool_exists(unit, name)
int unit;
char *name;
{
@ -341,6 +336,29 @@ char *name;
}
/* ------------------------------------------------------------------------ */
/* Function: ip_pool_find */
/* Returns: int - 0 = success, else error */
/* Parameters: ipo(I) - pointer to the pool getting the new node. */
/* */
/* Find a matching pool inside the collection of pools for a particular */
/* device, indicated by the unit number. If it is marked for deletion then */
/* pretend it does not exist. */
/* ------------------------------------------------------------------------ */
void *ip_pool_find(unit, name)
int unit;
char *name;
{
ip_pool_t *p;
p = ip_pool_exists(unit, name);
if ((p != NULL) && (p->ipo_flags & IPOOL_DELETE))
return NULL;
return p;
}
/* ------------------------------------------------------------------------ */
/* Function: ip_pool_findeq */
/* Returns: int - 0 = success, else error */
@ -375,9 +393,9 @@ addrfamily_t *addr, *mask;
/* */
/* Search the pool for a given address and return a search result. */
/* ------------------------------------------------------------------------ */
int ip_pool_search(tptr, version, dptr)
int ip_pool_search(tptr, ipversion, dptr)
void *tptr;
int version;
int ipversion;
void *dptr;
{
struct radix_node *rn;
@ -397,11 +415,11 @@ void *dptr;
bzero(&v, sizeof(v));
v.adf_len = offsetof(addrfamily_t, adf_addr);
if (version == 4) {
if (ipversion == 4) {
v.adf_len += sizeof(addr->in4);
v.adf_addr.in4 = addr->in4;
#ifdef USE_INET6
} else if (version == 6) {
} else if (ipversion == 6) {
v.adf_len += sizeof(addr->in6);
v.adf_addr.in6 = addr->in6;
#endif
@ -475,6 +493,7 @@ int info;
return ENOMEM;
}
x->ipn_ref = 1;
x->ipn_next = ipo->ipo_list;
x->ipn_pnext = &ipo->ipo_list;
if (ipo->ipo_list != NULL)
@ -498,6 +517,10 @@ int info;
/* when being inserted - assume this has already been done. If the pool is */
/* marked as being anonymous, give it a new, unique, identifier. Call any */
/* other functions required to initialise the structure. */
/* */
/* If the structure is flagged for deletion then reset the flag and return, */
/* as this likely means we've tried to free a pool that is in use (flush) */
/* and now want to repopulate it with "new" data. */
/* ------------------------------------------------------------------------ */
int ip_pool_create(op)
iplookupop_t *op;
@ -508,23 +531,37 @@ iplookupop_t *op;
ASSERT(rw_read_locked(&ip_poolrw.ipf_lk) == 0);
KMALLOC(h, ip_pool_t *);
if (h == NULL)
return ENOMEM;
bzero(h, sizeof(*h));
if (rn_inithead((void **)&h->ipo_head,
offsetof(addrfamily_t, adf_addr) << 3) == 0) {
KFREE(h);
return ENOMEM;
}
unit = op->iplo_unit;
if ((op->iplo_arg & IPOOL_ANON) != 0) {
if ((op->iplo_arg & LOOKUP_ANON) == 0)
h = ip_pool_exists(unit, op->iplo_name);
else
h = NULL;
if (h != NULL) {
if ((h->ipo_flags & IPOOL_DELETE) != 0) {
h->ipo_flags &= ~IPOOL_DELETE;
return 0;
}
return EEXIST;
} else {
KMALLOC(h, ip_pool_t *);
if (h == NULL)
return ENOMEM;
bzero(h, sizeof(*h));
if (rn_inithead((void **)&h->ipo_head,
offsetof(addrfamily_t, adf_addr) << 3) == 0) {
KFREE(h);
return ENOMEM;
}
}
if ((op->iplo_arg & LOOKUP_ANON) != 0) {
ip_pool_t *p;
poolnum = IPOOL_ANON;
h->ipo_flags |= IPOOL_ANON;
poolnum = LOOKUP_ANON;
#if defined(SNPRINTF) && defined(_KERNEL)
SNPRINTF(name, sizeof(name), "%x", poolnum);
@ -549,19 +586,21 @@ iplookupop_t *op;
(void)strncpy(h->ipo_name, name, sizeof(h->ipo_name));
(void)strncpy(op->iplo_name, name, sizeof(op->iplo_name));
} else {
(void) strncpy(h->ipo_name, op->iplo_name, sizeof(h->ipo_name));
(void)strncpy(h->ipo_name, op->iplo_name, sizeof(h->ipo_name));
}
h->ipo_ref = 1;
h->ipo_list = NULL;
h->ipo_unit = unit;
h->ipo_next = ip_pool_list[unit];
if (ip_pool_list[unit] != NULL)
ip_pool_list[unit]->ipo_pnext = &h->ipo_next;
h->ipo_pnext = &ip_pool_list[unit];
ip_pool_list[unit] = h;
if ((h->ipo_flags & IPOOL_DELETE) == 0) {
h->ipo_ref = 1;
h->ipo_list = NULL;
h->ipo_unit = unit;
h->ipo_next = ip_pool_list[unit];
if (ip_pool_list[unit] != NULL)
ip_pool_list[unit]->ipo_pnext = &h->ipo_next;
h->ipo_pnext = &ip_pool_list[unit];
ip_pool_list[unit] = h;
ipoolstat.ipls_pools++;
ipoolstat.ipls_pools++;
}
return 0;
}
@ -574,36 +613,26 @@ iplookupop_t *op;
/* ipe(I) - address being deleted as a node */
/* Locks: WRITE(ip_poolrw) */
/* */
/* Add another node to the pool given by ipo. The three parameters passed */
/* in (addr, mask, info) shold all be stored in the node. */
/* Remove a node from the pool given by ipo. */
/* ------------------------------------------------------------------------ */
int ip_pool_remove(ipo, ipe)
ip_pool_t *ipo;
ip_pool_node_t *ipe;
{
ip_pool_node_t **ipp, *n;
ASSERT(rw_read_locked(&ip_poolrw.ipf_lk) == 0);
for (ipp = &ipo->ipo_list; (n = *ipp) != NULL; ipp = &n->ipn_next) {
if (ipe == n) {
*n->ipn_pnext = n->ipn_next;
if (n->ipn_next)
n->ipn_next->ipn_pnext = n->ipn_pnext;
break;
}
}
if (n == NULL)
return ENOENT;
if (ipe->ipn_pnext != NULL)
*ipe->ipn_pnext = ipe->ipn_next;
if (ipe->ipn_next != NULL)
ipe->ipn_next->ipn_pnext = ipe->ipn_pnext;
RADIX_NODE_HEAD_LOCK(ipo->ipo_head);
ipo->ipo_head->rnh_deladdr(&n->ipn_addr, &n->ipn_mask,
ipo->ipo_head->rnh_deladdr(&ipe->ipn_addr, &ipe->ipn_mask,
ipo->ipo_head);
RADIX_NODE_HEAD_UNLOCK(ipo->ipo_head);
KFREE(n);
ipoolstat.ipls_nodes--;
ip_pool_node_deref(ipe);
return 0;
}
@ -616,23 +645,28 @@ ip_pool_node_t *ipe;
/* Locks: WRITE(ip_poolrw) or WRITE(ipf_global) */
/* */
/* Search for a pool using paramters passed in and if it's not otherwise */
/* busy, free it. */
/* busy, free it. If it is busy, clear all of its nodes, mark it for being */
/* deleted and return an error saying it is busy. */
/* */
/* NOTE: Because this function is called out of ipldetach() where ip_poolrw */
/* NOTE: Because this function is called out of ipfdetach() where ip_poolrw */
/* may not be initialised, we can't use an ASSERT to enforce the locking */
/* assertion that one of the two (ip_poolrw,ipf_global) is held. */
/* ------------------------------------------------------------------------ */
int ip_pool_destroy(op)
iplookupop_t *op;
int ip_pool_destroy(unit, name)
int unit;
char *name;
{
ip_pool_t *ipo;
ipo = ip_pool_find(op->iplo_unit, op->iplo_name);
ipo = ip_pool_exists(unit, name);
if (ipo == NULL)
return ESRCH;
if (ipo->ipo_ref != 1)
return EBUSY;
if (ipo->ipo_ref != 1) {
ip_pool_clearnodes(ipo);
ipo->ipo_flags |= IPOOL_DELETE;
return 0;
}
ip_pool_free(ipo);
return 0;
@ -648,7 +682,7 @@ iplookupop_t *op;
/* Free all pools associated with the device that matches the unit number */
/* passed in with operation. */
/* */
/* NOTE: Because this function is called out of ipldetach() where ip_poolrw */
/* NOTE: Because this function is called out of ipfdetach() where ip_poolrw */
/* may not be initialised, we can't use an ASSERT to enforce the locking */
/* assertion that one of the two (ip_poolrw,ipf_global) is held. */
/* ------------------------------------------------------------------------ */
@ -669,7 +703,7 @@ iplookupflush_t *fp;
(void)strncpy(op.iplo_name, p->ipo_name,
sizeof(op.iplo_name));
q = p->ipo_next;
err = ip_pool_destroy(&op);
err = ip_pool_destroy(op.iplo_unit, op.iplo_name);
if (err == 0)
num++;
else
@ -690,12 +724,36 @@ iplookupflush_t *fp;
/* all of the address information stored in it, including any tree data */
/* structures also allocated. */
/* */
/* NOTE: Because this function is called out of ipldetach() where ip_poolrw */
/* NOTE: Because this function is called out of ipfdetach() where ip_poolrw */
/* may not be initialised, we can't use an ASSERT to enforce the locking */
/* assertion that one of the two (ip_poolrw,ipf_global) is held. */
/* ------------------------------------------------------------------------ */
void ip_pool_free(ipo)
ip_pool_t *ipo;
{
ip_pool_clearnodes(ipo);
if (ipo->ipo_next != NULL)
ipo->ipo_next->ipo_pnext = ipo->ipo_pnext;
*ipo->ipo_pnext = ipo->ipo_next;
rn_freehead(ipo->ipo_head);
KFREE(ipo);
ipoolstat.ipls_pools--;
}
/* ------------------------------------------------------------------------ */
/* Function: ip_pool_clearnodes */
/* Returns: void */
/* Parameters: ipo(I) - pointer to pool structure */
/* Locks: WRITE(ip_poolrw) or WRITE(ipf_global) */
/* */
/* Deletes all nodes stored in a pool structure. */
/* ------------------------------------------------------------------------ */
static void ip_pool_clearnodes(ipo)
ip_pool_t *ipo;
{
ip_pool_node_t *n;
@ -715,13 +773,6 @@ ip_pool_t *ipo;
RADIX_NODE_HEAD_UNLOCK(ipo->ipo_head);
ipo->ipo_list = NULL;
if (ipo->ipo_next != NULL)
ipo->ipo_next->ipo_pnext = ipo->ipo_pnext;
*ipo->ipo_pnext = ipo->ipo_next;
rn_freehead(ipo->ipo_head);
KFREE(ipo);
ipoolstat.ipls_pools--;
}
@ -741,8 +792,179 @@ ip_pool_t *ipo;
ASSERT(rw_read_locked(&ip_poolrw.ipf_lk) == 0);
ipo->ipo_ref--;
if (ipo->ipo_ref == 0)
ip_pool_free(ipo);
else if ((ipo->ipo_ref == 1) && (ipo->ipo_flags & IPOOL_DELETE))
ip_pool_destroy(ipo->ipo_unit, ipo->ipo_name);
}
/* ------------------------------------------------------------------------ */
/* Function: ip_pool_node_deref */
/* Returns: void */
/* Parameters: ipn(I) - pointer to pool structure */
/* Locks: WRITE(ip_poolrw) */
/* */
/* Drop a reference to the pool node passed in and if we're the last, free */
/* it all up and adjust the stats accordingly. */
/* ------------------------------------------------------------------------ */
void ip_pool_node_deref(ipn)
ip_pool_node_t *ipn;
{
ipn->ipn_ref--;
if (ipn->ipn_ref == 0) {
KFREE(ipn);
ipoolstat.ipls_nodes--;
}
}
/* ------------------------------------------------------------------------ */
/* Function: ip_pool_getnext */
/* Returns: void */
/* Parameters: token(I) - pointer to pool structure */
/* Parameters: ilp(IO) - pointer to pool iterating structure */
/* */
/* ------------------------------------------------------------------------ */
int ip_pool_getnext(token, ilp)
ipftoken_t *token;
ipflookupiter_t *ilp;
{
ip_pool_node_t *node, zn, *nextnode;
ip_pool_t *ipo, zp, *nextipo;
int err;
err = 0;
node = NULL;
nextnode = NULL;
ipo = NULL;
nextipo = NULL;
READ_ENTER(&ip_poolrw);
switch (ilp->ili_otype)
{
case IPFLOOKUPITER_LIST :
ipo = token->ipt_data;
if (ipo == NULL) {
nextipo = ip_pool_list[(int)ilp->ili_unit];
} else {
nextipo = ipo->ipo_next;
}
if (nextipo != NULL) {
ATOMIC_INC(nextipo->ipo_ref);
if (nextipo->ipo_next == NULL)
token->ipt_alive = 0;
} else {
bzero((char *)&zp, sizeof(zp));
nextipo = &zp;
}
break;
case IPFLOOKUPITER_NODE :
node = token->ipt_data;
if (node == NULL) {
ipo = ip_pool_exists(ilp->ili_unit, ilp->ili_name);
if (ipo == NULL)
err = ESRCH;
else {
nextnode = ipo->ipo_list;
ipo = NULL;
}
} else {
nextnode = node->ipn_next;
}
if (nextnode != NULL) {
ATOMIC_INC(nextnode->ipn_ref);
if (nextnode->ipn_next == NULL)
token->ipt_alive = 0;
} else {
bzero((char *)&zn, sizeof(zn));
nextnode = &zn;
}
break;
default :
err = EINVAL;
break;
}
RWLOCK_EXIT(&ip_poolrw);
if (err != 0)
return err;
switch (ilp->ili_otype)
{
case IPFLOOKUPITER_LIST :
if (ipo != NULL) {
WRITE_ENTER(&ip_poolrw);
ip_pool_deref(ipo);
RWLOCK_EXIT(&ip_poolrw);
}
token->ipt_data = nextipo;
err = COPYOUT(nextipo, ilp->ili_data, sizeof(*nextipo));
if (err != 0)
err = EFAULT;
break;
case IPFLOOKUPITER_NODE :
if (node != NULL) {
WRITE_ENTER(&ip_poolrw);
ip_pool_node_deref(node);
RWLOCK_EXIT(&ip_poolrw);
}
token->ipt_data = nextnode;
err = COPYOUT(nextnode, ilp->ili_data, sizeof(*nextnode));
if (err != 0)
err = EFAULT;
break;
}
return err;
}
/* ------------------------------------------------------------------------ */
/* Function: ip_pool_iterderef */
/* Returns: void */
/* Parameters: ipn(I) - pointer to pool structure */
/* Locks: WRITE(ip_poolrw) */
/* */
/* ------------------------------------------------------------------------ */
void ip_pool_iterderef(otype, unit, data)
u_int otype;
int unit;
void *data;
{
if (data == NULL)
return;
if (unit < 0 || unit > IPL_LOGMAX)
return;
switch (otype)
{
case IPFLOOKUPITER_LIST :
WRITE_ENTER(&ip_poolrw);
ip_pool_deref((ip_pool_t *)data);
RWLOCK_EXIT(&ip_poolrw);
break;
case IPFLOOKUPITER_NODE :
WRITE_ENTER(&ip_poolrw);
ip_pool_node_deref((ip_pool_node_t *)data);
RWLOCK_EXIT(&ip_poolrw);
break;
default :
break;
}
}
@ -780,5 +1002,4 @@ rn_freehead(rnh)
Free(rnh);
}
# endif
#endif /* IPFILTER_LOOKUP */

15
sys/contrib/ipfilter/netinet/ip_pool.h
View File

@ -3,7 +3,7 @@
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* $Id: ip_pool.h,v 2.26.2.3 2005/06/12 07:18:27 darrenr Exp $
* $Id: ip_pool.h,v 2.26.2.5 2007/01/14 14:06:12 darrenr Exp $
*/
#ifndef __IP_POOL_H__
@ -35,8 +35,9 @@ typedef struct ip_pool_node {
addrfamily_t ipn_addr;
addrfamily_t ipn_mask;
int ipn_info;
char ipn_name[FR_GROUPLEN];
u_long ipn_hits;
int ipn_ref;
char ipn_name[FR_GROUPLEN];
u_long ipn_hits;
struct ip_pool_node *ipn_next, **ipn_pnext;
} ip_pool_node_t;
@ -53,7 +54,8 @@ typedef struct ip_pool_s {
char ipo_name[FR_GROUPLEN];
} ip_pool_t;
#define IPOOL_ANON 0x80000000
#define IPOOL_DELETE 0x01
#define IPOOL_ANON 0x02
typedef struct ip_pool_stat {
@ -73,13 +75,16 @@ extern void ip_pool_fini __P((void));
extern int ip_pool_create __P((iplookupop_t *));
extern int ip_pool_insert __P((ip_pool_t *, i6addr_t *, i6addr_t *, int));
extern int ip_pool_remove __P((ip_pool_t *, ip_pool_node_t *));
extern int ip_pool_destroy __P((iplookupop_t *));
extern int ip_pool_destroy __P((int, char *));
extern void ip_pool_free __P((ip_pool_t *));
extern void ip_pool_deref __P((ip_pool_t *));
extern void ip_pool_node_deref __P((ip_pool_node_t *));
extern void *ip_pool_find __P((int, char *));
extern ip_pool_node_t *ip_pool_findeq __P((ip_pool_t *,
addrfamily_t *, addrfamily_t *));
extern int ip_pool_flush __P((iplookupflush_t *));
extern int ip_pool_statistics __P((iplookupop_t *));
extern int ip_pool_getnext __P((ipftoken_t *, ipflookupiter_t *));
extern void ip_pool_iterderef __P((u_int, int, void *));
#endif /* __IP_POOL_H__ */

7
sys/contrib/ipfilter/netinet/ip_pptp_pxy.c
View File

@ -4,7 +4,7 @@
* Simple PPTP transparent proxy for in-kernel use. For use with the NAT
* code.
*
* $Id: ip_pptp_pxy.c,v 2.10.2.13 2006/03/17 10:40:05 darrenr Exp $
* $Id: ip_pptp_pxy.c,v 2.10.2.15 2006/10/31 12:11:23 darrenr Exp $
*
*/
#define IPF_PPTP_PROXY
@ -78,6 +78,9 @@ void ippr_pptp_fini()
/*
* Setup for a new PPTP proxy.
*
* NOTE: The printf's are broken up with %s in them to prevent them being
* optimised into puts statements on FreeBSD (this doesn't exist in the kernel)
*/
int ippr_pptp_new(fin, aps, nat)
fr_info_t *fin;
@ -220,7 +223,7 @@ pptp_pxy_t *pptp;
pptp->pptp_state = fr_addstate(&fi, &pptp->pptp_state,
0);
if (fi.fin_state != NULL)
fr_statederef(&fi, (ipstate_t **)&fi.fin_state);
fr_statederef((ipstate_t **)&fi.fin_state);
}
ip->ip_p = p;
return;

17
sys/contrib/ipfilter/netinet/ip_proxy.c
View File

@ -103,7 +103,7 @@ struct file;
/* END OF INCLUDES */
#if !defined(lint)
static const char rcsid[] = "@(#)$Id: ip_proxy.c,v 2.62.2.16 2006/03/29 11:19:56 darrenr Exp $";
static const char rcsid[] = "@(#)$Id: ip_proxy.c,v 2.62.2.20 2007/05/31 12:27:36 darrenr Exp $";
#endif
static int appr_fixseqack __P((fr_info_t *, ip_t *, ap_session_t *, int ));
@ -121,7 +121,7 @@ aproxy_t *ap_proxylist = NULL;
aproxy_t ap_proxies[] = {
#ifdef IPF_FTP_PROXY
{ NULL, "ftp", (char)IPPROTO_TCP, 0, 0, ippr_ftp_init, ippr_ftp_fini,
ippr_ftp_new, NULL, ippr_ftp_in, ippr_ftp_out, NULL },
ippr_ftp_new, NULL, ippr_ftp_in, ippr_ftp_out, NULL, NULL },
#endif
#ifdef IPF_IRC_PROXY
{ NULL, "irc", (char)IPPROTO_TCP, 0, 0, ippr_irc_init, ippr_irc_fini,
@ -155,9 +155,9 @@ aproxy_t ap_proxies[] = {
#endif
#ifdef IPF_H323_PROXY
{ NULL, "h323", (char)IPPROTO_TCP, 0, 0, ippr_h323_init, ippr_h323_fini,
ippr_h323_new, ippr_h323_del, ippr_h323_in, NULL, NULL },
ippr_h323_new, ippr_h323_del, ippr_h323_in, NULL, NULL, NULL },
{ NULL, "h245", (char)IPPROTO_TCP, 0, 0, NULL, NULL,
ippr_h245_new, NULL, NULL, ippr_h245_out, NULL },
ippr_h245_new, NULL, NULL, ippr_h245_out, NULL, NULL },
#endif
#ifdef IPF_RPCB_PROXY
# if 0
@ -169,7 +169,7 @@ aproxy_t ap_proxies[] = {
ippr_rpcb_init, ippr_rpcb_fini, ippr_rpcb_new, ippr_rpcb_del,
ippr_rpcb_in, ippr_rpcb_out, NULL, NULL },
#endif
{ NULL, "", '\0', 0, 0, NULL, NULL, NULL, NULL }
{ NULL, "", '\0', 0, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }
};
/*
@ -191,7 +191,7 @@ aproxy_t *ap;
return -1;
}
for (a = ap_proxylist; a->apr_p; a = a->apr_next)
for (a = ap_proxylist; (a != NULL); a = a->apr_next)
if ((a->apr_p == ap->apr_p) &&
!strncmp(a->apr_label, ap->apr_label,
sizeof(ap->apr_label))) {
@ -288,10 +288,11 @@ ipnat_t *nat;
}
int appr_ioctl(data, cmd, mode)
int appr_ioctl(data, cmd, mode, ctx)
caddr_t data;
ioctlcmd_t cmd;
int mode;
void *ctx;
{
ap_ctl_t ctl;
caddr_t ptr;
@ -813,7 +814,7 @@ int inc;
if (ipf_proxy_debug > 8)
printf("appr_fixseqack: seq %x ack %x\n",
ntohl(tcp->th_seq), ntohl(tcp->th_ack));
(u_32_t)ntohl(tcp->th_seq), (u_32_t)ntohl(tcp->th_ack));
return ch ? 2 : 0;
}

5
sys/contrib/ipfilter/netinet/ip_proxy.h
View File

@ -3,7 +3,7 @@
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* $Id: ip_proxy.h,v 2.31.2.3 2005/06/18 02:41:33 darrenr Exp $
* $Id: ip_proxy.h,v 2.31.2.5 2007/04/16 21:06:52 darrenr Exp $
*/
#ifndef __IP_PROXY_H__
@ -440,6 +440,7 @@ extern ap_session_t *ap_sess_tab[AP_SESS_SIZE];
extern ap_session_t *ap_sess_list;
extern aproxy_t ap_proxies[];
extern int ippr_ftp_pasvonly;
extern int ipf_proxy_debug;
extern int appr_add __P((aproxy_t *));
extern int appr_ctl __P((ap_ctl_t *));
@ -453,6 +454,6 @@ extern void aps_free __P((ap_session_t *));
extern int appr_check __P((fr_info_t *, struct nat *));
extern aproxy_t *appr_lookup __P((u_int, char *));
extern int appr_new __P((fr_info_t *, struct nat *));
extern int appr_ioctl __P((caddr_t, ioctlcmd_t, int));
extern int appr_ioctl __P((caddr_t, ioctlcmd_t, int, void *));
#endif /* __IP_PROXY_H__ */

6
sys/contrib/ipfilter/netinet/ip_raudio_pxy.c
View File

@ -3,7 +3,7 @@
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* $Id: ip_raudio_pxy.c,v 1.40.2.3 2005/02/04 10:22:55 darrenr Exp $
* $Id: ip_raudio_pxy.c,v 1.40.2.4 2006/07/14 06:12:17 darrenr Exp $
*/
#define IPF_RAUDIO_PROXY
@ -304,7 +304,7 @@ nat_t *nat;
(void) fr_addstate(&fi, NULL, (sp ? 0 : SI_W_SPORT));
if (fi.fin_state != NULL)
fr_statederef(&fi, (ipstate_t **)&fi.fin_state);
fr_statederef((ipstate_t **)&fi.fin_state);
}
}
@ -324,7 +324,7 @@ nat_t *nat;
(void) fr_addstate(&fi, NULL, SI_W_DPORT);
if (fi.fin_state != NULL)
fr_statederef(&fi, (ipstate_t **)&fi.fin_state);
fr_statederef((ipstate_t **)&fi.fin_state);
}
}

4
sys/contrib/ipfilter/netinet/ip_rcmd_pxy.c
View File

@ -3,7 +3,7 @@
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* $Id: ip_rcmd_pxy.c,v 1.41.2.6 2006/04/01 10:14:54 darrenr Exp $
* $Id: ip_rcmd_pxy.c,v 1.41.2.7 2006/07/14 06:12:18 darrenr Exp $
*
* Simple RCMD transparent proxy for in-kernel use. For use with the NAT
* code.
@ -204,7 +204,7 @@ nat_t *nat;
}
(void) fr_addstate(&fi, NULL, SI_W_DPORT);
if (fi.fin_state != NULL)
fr_statederef(&fi, (ipstate_t **)&fi.fin_state);
fr_statederef((ipstate_t **)&fi.fin_state);
}
ip->ip_len = slen;
ip->ip_src = swip;

12
sys/contrib/ipfilter/netinet/ip_rpcb_pxy.c
View File

@ -37,7 +37,7 @@
* o The enclosed hack of STREAMS support is pretty sick and most likely
* broken.
*
* $Id: ip_rpcb_pxy.c,v 2.25.2.3 2005/02/04 10:22:56 darrenr Exp $
* $Id: ip_rpcb_pxy.c,v 2.25.2.6 2007/01/17 11:34:54 darrenr Exp $
*/
#define IPF_RPCB_PROXY
@ -290,6 +290,7 @@ ippr_rpcb_out(fin, aps, nat)
/* Perform basic variable initialization. */
rs = (rpcb_session_t *)aps->aps_data;
rx = NULL;
m = fin->fin_m;
off = (char *)fin->fin_dp - (char *)fin->fin_ip;
@ -307,6 +308,8 @@ ippr_rpcb_out(fin, aps, nat)
COPYDATA(m, off, dlen, (caddr_t)&rm->rm_msgbuf);
rm->rm_buflen = dlen;
rx = NULL; /* XXX gcc */
/* Send off to decode reply. */
rv = ippr_rpcb_decoderep(fin, nat, rs, rm, &rx);
@ -1156,6 +1159,8 @@ ippr_rpcb_getnat(fin, nat, proto, port)
/* Generate dummy fr_info */
bcopy((char *)fin, (char *)&fi, sizeof(fi));
fi.fin_state = NULL;
fi.fin_nat = NULL;
fi.fin_out = 0;
fi.fin_src = fin->fin_dst;
fi.fin_dst = nat->nat_outip;
@ -1191,8 +1196,9 @@ ippr_rpcb_getnat(fin, nat, proto, port)
* no use for this lock, so simply unlock it if necessary.
*/
is = fr_stlookup(&fi, &tcp, NULL);
if (is != NULL)
if (is != NULL) {
RWLOCK_EXIT(&ipf_state);
}
RWLOCK_EXIT(&ipf_nat);
@ -1271,7 +1277,7 @@ ippr_rpcb_getnat(fin, nat, proto, port)
return(-1);
}
if (fi.fin_state != NULL)
fr_statederef(&fi, (ipstate_t **)&fi.fin_state);
fr_statederef((ipstate_t **)&fi.fin_state);
}
return(0);

34
sys/contrib/ipfilter/netinet/ip_scan.c
View File

@ -58,7 +58,7 @@ struct file;
#if !defined(lint)
static const char sccsid[] = "@(#)ip_state.c 1.8 6/5/96 (C) 1993-2000 Darren Reed";
static const char rcsid[] = "@(#)$Id: ip_scan.c,v 2.40.2.6 2006/03/26 23:06:49 darrenr Exp $";
static const char rcsid[] = "@(#)$Id: ip_scan.c,v 2.40.2.9 2007/03/13 09:42:05 darrenr Exp $";
#endif
#ifdef IPFILTER_SCAN /* endif at bottom of file */
@ -115,8 +115,10 @@ caddr_t data;
return ENOMEM;
err = copyinptr(data, isc, sizeof(*isc));
if (err)
if (err) {
KFREE(isc);
return err;
}
WRITE_ENTER(&ipsc_rwlock);
@ -230,20 +232,17 @@ struct ipstate *is;
fr = is->is_rule;
if (fr) {
i = fr->fr_isc;
if (!i || (i != (ipscan_t *)-1)) {
if ((i != NULL) && (i != (ipscan_t *)-1)) {
is->is_isc = i;
if (i) {
ATOMIC_INC32(i->ipsc_sref);
if (i->ipsc_clen)
is->is_flags |= IS_SC_CLIENT;
else
is->is_flags |= IS_SC_MATCHC;
if (i->ipsc_slen)
is->is_flags |= IS_SC_SERVER;
else
is->is_flags |= IS_SC_MATCHS;
} else
is->is_flags |= (IS_SC_CLIENT|IS_SC_SERVER);
ATOMIC_INC32(i->ipsc_sref);
if (i->ipsc_clen)
is->is_flags |= IS_SC_CLIENT;
else
is->is_flags |= IS_SC_MATCHC;
if (i->ipsc_slen)
is->is_flags |= IS_SC_SERVER;
else
is->is_flags |= IS_SC_MATCHS;
}
}
RWLOCK_EXIT(&ipsc_rwlock);
@ -568,10 +567,11 @@ ipstate_t *is;
}
int fr_scan_ioctl(data, cmd, mode)
int fr_scan_ioctl(data, cmd, mode, uid, ctx)
caddr_t data;
ioctlcmd_t cmd;
int mode;
int mode, uid;
void *ctx;
{
ipscanstat_t ipscs;
int err = 0;

4
sys/contrib/ipfilter/netinet/ip_scan.h
View File

@ -4,7 +4,7 @@
* See the IPFILTER.LICENCE file for details on licencing.
*
* @(#)ip_fil.h 1.35 6/5/96
* $Id: ip_scan.h,v 2.9.2.1 2005/06/12 07:18:29 darrenr Exp $
* $Id: ip_scan.h,v 2.9.2.2 2006/07/14 06:12:19 darrenr Exp $
*/
#ifndef __IP_SCAN_H__
@ -94,7 +94,7 @@ typedef struct ipscanstat {
} ipscanstat_t;
extern int fr_scan_ioctl __P((caddr_t, ioctlcmd_t, int));
extern int fr_scan_ioctl __P((caddr_t, ioctlcmd_t, int, int, void *));
extern int ipsc_init __P((void));
extern int ipsc_attachis __P((struct ipstate *));
extern int ipsc_attachfr __P((struct frentry *));

765
sys/contrib/ipfilter/netinet/ip_state.c
View File

File diff suppressed because it is too large Load Diff

9
sys/contrib/ipfilter/netinet/ip_state.h
View File

@ -4,7 +4,7 @@
* See the IPFILTER.LICENCE file for details on licencing.
*
* @(#)ip_state.h 1.3 1/12/96 (C) 1995 Darren Reed
* $Id: ip_state.h,v 2.68.2.5 2005/08/20 13:48:25 darrenr Exp $
* $Id: ip_state.h,v 2.68.2.8 2007/05/11 10:44:14 darrenr Exp $
*/
#ifndef __IP_STATE_H__
#define __IP_STATE_H__
@ -39,7 +39,6 @@ typedef struct ipstate {
struct ipstate **is_me;
void *is_ifp[4];
void *is_sync;
struct nat *is_nat[2];
frentry_t *is_rule;
struct ipftq *is_tqehead[2];
struct ipscan *is_isc;
@ -187,6 +186,7 @@ typedef struct ipslog {
#define ISL_INTERMEDIATE 0xfffc
#define ISL_KILLED 0xfffb
#define ISL_ORPHAN 0xfffa
#define ISL_UNLOAD 0xfff9
typedef struct ips_stat {
@ -213,6 +213,7 @@ typedef struct ips_stat {
ipstate_t **iss_table;
ipstate_t *iss_list;
u_long *iss_bucketlen;
ipftq_t *iss_tcptab;
} ips_stat_t;
@ -248,12 +249,12 @@ extern int fr_tcpinwindow __P((struct fr_info *, struct tcpdata *,
struct tcpdata *, tcphdr_t *, int));
extern void fr_stateunload __P((void));
extern void ipstate_log __P((struct ipstate *, u_int));
extern int fr_state_ioctl __P((caddr_t, ioctlcmd_t, int));
extern int fr_state_ioctl __P((caddr_t, ioctlcmd_t, int, int, void *));
extern void fr_stinsert __P((struct ipstate *, int));
extern void fr_sttab_init __P((struct ipftq *));
extern void fr_sttab_destroy __P((struct ipftq *));
extern void fr_updatestate __P((fr_info_t *, ipstate_t *, ipftq_t *));
extern void fr_statederef __P((fr_info_t *, ipstate_t **));
extern void fr_statederef __P((ipstate_t **));
extern void fr_setstatequeue __P((ipstate_t *, int));
#endif /* __IP_STATE_H__ */

7
sys/contrib/ipfilter/netinet/ip_sync.c
View File

@ -96,7 +96,7 @@ struct file;
/* END OF INCLUDES */
#if !defined(lint)
static const char rcsid[] = "@(#)$Id: ip_sync.c,v 2.40.2.7 2006/03/19 14:59:39 darrenr Exp $";
static const char rcsid[] = "@(#)$Id: ip_sync.c,v 2.40.2.8 2006/07/14 06:12:20 darrenr Exp $";
#endif
#define SYNC_STATETABSZ 256
@ -995,10 +995,11 @@ synclist_t *sl;
/* This function currently does not handle any ioctls and so just returns */
/* EINVAL on all occasions. */
/* ------------------------------------------------------------------------ */
int fr_sync_ioctl(data, cmd, mode)
int fr_sync_ioctl(data, cmd, mode, uid, ctx)
caddr_t data;
ioctlcmd_t cmd;
int mode;
int mode, uid;
void *ctx;
{
return EINVAL;
}

24
sys/contrib/ipfilter/netinet/ip_sync.h
View File

@ -4,7 +4,7 @@
* See the IPFILTER.LICENCE file for details on licencing.
*
* @(#)ip_fil.h 1.35 6/5/96
* $Id: ip_sync.h,v 2.11.2.3 2006/03/19 14:59:39 darrenr Exp $
* $Id: ip_sync.h,v 2.11.2.4 2006/07/14 06:12:20 darrenr Exp $
*/
#ifndef __IP_SYNC_H__
@ -102,16 +102,16 @@ typedef struct syncupdent { /* 28 or 32 bytes */
extern synclogent_t synclog[SYNCLOG_SZ];
extern int fr_sync_ioctl __P((caddr_t, ioctlcmd_t, int));
extern synclist_t *ipfsync_new __P((int, fr_info_t *, void *));
extern void ipfsync_del __P((synclist_t *));
extern void ipfsync_update __P((int, fr_info_t *, synclist_t *));
extern int ipfsync_init __P((void));
extern int ipfsync_nat __P((synchdr_t *sp, void *data));
extern int ipfsync_state __P((synchdr_t *sp, void *data));
extern int ipfsync_read __P((struct uio *uio));
extern int ipfsync_write __P((struct uio *uio));
extern int ipfsync_canread __P((void));
extern int ipfsync_canwrite __P((void));
extern int fr_sync_ioctl __P((caddr_t, ioctlcmd_t, int, int, void *));
extern synclist_t *ipfsync_new __P((int, fr_info_t *, void *));
extern void ipfsync_del __P((synclist_t *));
extern void ipfsync_update __P((int, fr_info_t *, synclist_t *));
extern int ipfsync_init __P((void));
extern int ipfsync_nat __P((synchdr_t *sp, void *data));
extern int ipfsync_state __P((synchdr_t *sp, void *data));
extern int ipfsync_read __P((struct uio *uio));
extern int ipfsync_write __P((struct uio *uio));
extern int ipfsync_canread __P((void));
extern int ipfsync_canwrite __P((void));
#endif /* IP_SYNC */

6
sys/contrib/ipfilter/netinet/ipl.h
View File

@ -4,14 +4,14 @@
* See the IPFILTER.LICENCE file for details on licencing.
*
* @(#)ipl.h 1.21 6/5/96
* $Id: ipl.h,v 2.52.2.14 2006/04/01 20:09:42 darrenr Exp $
* $Id: ipl.h,v 2.52.2.25 2007/05/31 11:40:43 darrenr Exp $
*/
#ifndef __IPL_H__
#define __IPL_H__
#define IPL_VERSION "IP Filter: v4.1.13"
#define IPL_VERSION "IP Filter: v4.1.23"
#define IPFILTER_VERSION 4011300
#define IPFILTER_VERSION 4012300
#endif

36
sys/contrib/ipfilter/netinet/mlfk_ipl.c
View File

@ -30,8 +30,6 @@
#include <netinet/ip_frag.h>
#include <netinet/ip_sync.h>
extern struct selinfo ipfselwait[IPL_LOGSIZE];
#if __FreeBSD_version >= 502116
static struct cdev *ipf_devs[IPL_LOGSIZE];
#else
@ -98,8 +96,8 @@ SYSCTL_IPF(_net_inet_ipf, OID_AUTO, fr_chksrc, CTLFLAG_RW, &fr_chksrc, 0, "");
SYSCTL_IPF(_net_inet_ipf, OID_AUTO, fr_minttl, CTLFLAG_RW, &fr_minttl, 0, "");
#define CDEV_MAJOR 79
#if __FreeBSD_version >= 501000
# include <sys/poll.h>
#include <sys/poll.h>
#if __FreeBSD_version >= 500043
# include <sys/select.h>
static int iplpoll(struct cdev *dev, int events, struct thread *td);
@ -114,12 +112,16 @@ static struct cdevsw ipl_cdevsw = {
.d_write = iplwrite,
.d_ioctl = iplioctl,
.d_name = "ipl",
# if __FreeBSD_version >= 500043
.d_poll = iplpoll,
# endif
# if __FreeBSD_version < 600000
.d_maj = CDEV_MAJOR,
# endif
};
#else
static int iplpoll(dev_t dev, int events, struct proc *p);
static struct cdevsw ipl_cdevsw = {
/* open */ iplopen,
/* close */ iplclose,
@ -137,7 +139,9 @@ static struct cdevsw ipl_cdevsw = {
# if (__FreeBSD_version < 500043)
/* bmaj */ -1,
# endif
# if (__FreeBSD_version > 430000)
/* kqfilter */ NULL
# endif
};
#endif
@ -173,9 +177,17 @@ ipf_modload()
char *defpass, *c, *str;
int i, j, error;
error = iplattach();
if (error)
RWLOCK_INIT(&ipf_global, "ipf filter load/unload mutex");
RWLOCK_INIT(&ipf_mutex, "ipf filter rwlock");
RWLOCK_INIT(&ipf_frcache, "ipf cache rwlock");
error = ipfattach();
if (error) {
RW_DESTROY(&ipf_global);
RW_DESTROY(&ipf_mutex);
RW_DESTROY(&ipf_frcache);
return error;
}
for (i = 0; i < IPL_LOGSIZE; i++)
ipf_devs[i] = NULL;
@ -225,12 +237,16 @@ ipf_modunload()
return EBUSY;
if (fr_running >= 0) {
error = ipldetach();
error = ipfdetach();
if (error != 0)
return error;
} else
error = 0;
RW_DESTROY(&ipf_global);
RW_DESTROY(&ipf_mutex);
RW_DESTROY(&ipf_frcache);
fr_running = -2;
for (i = 0; ipf_devfiles[i]; i++) {
@ -284,9 +300,12 @@ sysctl_ipf_int ( SYSCTL_HANDLER_ARGS )
#endif
#if __FreeBSD_version >= 501000
static int
#if __FreeBSD_version >= 500043
iplpoll(struct cdev *dev, int events, struct thread *td)
#else
iplpoll(dev_t dev, int events, struct proc *td)
#endif
{
u_int xmin = GET_MINOR(dev);
int revents;
@ -329,4 +348,3 @@ iplpoll(struct cdev *dev, int events, struct thread *td)
return revents;
}
#endif