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27319291ac
freebsd-ports/security/skip/files/patch-bl
Archie Cobbs d5879e7be6 Build SKIP port as a KLD instead of an LKM.
1999-03-10 22:28:00 +00:00

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diff -ur --unidirectional-new-file skipsrc-1.0.orig/skip/freebsd/skip_es.c work.new/skip/freebsd/skip_es.c
--- skipsrc-1.0.orig/skip/freebsd/skip_es.c Fri Oct 25 13:12:42 1996
+++ work.new/skip/freebsd/skip_es.c Tue Mar 9 20:40:23 1999
@@ -81,6 +81,11 @@
static unsigned short skip_pktid;
static skip_softc_t skip_softc[SKIP_MAX_OPENS];
+static struct callout_handle
+ skip_timeout_handle = CALLOUT_HANDLE_INITIALIZER(&skip_timeout_handle);
+
+MALLOC_DEFINE(M_SKIP, "skip", "SKIP control structures and buffers");
+
/*
* statistics
*/
@@ -116,11 +121,13 @@
static int skip_ifoutput(struct ifnet *, struct mbuf *,
struct sockaddr *, struct rtentry *rtp);
static int skip_ifinput(struct mbuf *, int);
-static void skip_inittimers();
-static void skip_uninittimers();
-static void skip_timer();
+static void skip_inittimers(void);
+static void skip_uninittimers(void);
+static void skip_timer(void *);
static int skip_add_interface(char *);
static int skip_del_interface(char *);
+static void skip_ifwakeup(skip_softc_t *);
+static int skip_bufextend(struct mbuf *, int);
static void skip_encrypt_done(void *, struct mbuf *, struct mbuf *,
void *, skip_arg_t *);
@@ -136,14 +143,14 @@
/*
* From Crypt/MAC system...
*/
-extern int skip_es_bypass_init();
-extern void skip_es_bypass_uninit();
-extern void skip_key_initstore();
-extern void skip_key_uninitstore();
-extern void skip_key_initcryptors();
-extern void skip_key_uninitcryptors();
-extern void skip_mac_init();
-extern void skip_mac_uninit();
+extern int skip_es_bypass_init(void);
+extern void skip_es_bypass_uninit(void);
+extern void skip_key_initstore(void);
+extern void skip_key_uninitstore(void);
+extern void skip_key_initcryptors(void);
+extern void skip_key_uninitcryptors(void);
+extern void skip_mac_init(void);
+extern void skip_mac_uninit(void);
extern int skip_fmt_kmgr(union skip_messages *, skip_keycb_t *);
extern struct cdevsw skipdevsw;
@@ -157,7 +164,7 @@
* Returns: 0 on success, errno otherwise.
*/
int
-skip_init()
+skip_init(void)
{
register int s, rc;
register struct protosw *pr;
@@ -252,7 +259,10 @@
for (pr = inetdomain.dom_protosw;
pr < inetdomain.dom_protoswNPROTOSW; pr++) {
- pr->pr_input = skip_ifinput;
+ if (pr->pr_protocol == IPPROTO_DIVERT)
+ continue;
+ pr->pr_input =
+ (void (*)(struct mbuf *, int)) skip_ifinput;
}
splx(s);
}
@@ -266,7 +276,7 @@
* Returns: 0 on success, errno otherwise.
*/
int
-skip_uninit()
+skip_uninit(void)
{
register int s;
if (skip_busy || skip_keys_stats.skip_encrypt_keys_active
@@ -422,27 +432,30 @@
* Returns: 0 if no data available, 1 otherwise
*/
int
-skip_ifselect(dev, rw, p)
+skip_ifpoll(dev, events, p)
dev_t dev;
- int rw;
+ int events;
struct proc *p;
{
register skip_softc_t *sp = &skip_softc[minor(dev)];
register int s;
+ int revents = 0;
- if (rw == FWRITE) {
- return (1);
- }
+ /* Check readable */
s = splimp();
- if (sp->q.ifq_len > 0) {
- splx(s);
- return (1);
+ if (events & (POLLIN | POLLRDNORM)) {
+ if (sp->q.ifq_len > 0)
+ revents |= (events & (POLLIN | POLLRDNORM));
+ else
+ selrecord(p, &sp->sp_si);
}
- selrecord(p, &sp->sp_si);
+ /* Always writable */
+ if (events & (POLLOUT | POLLWRNORM))
+ revents |= (events & (POLLOUT | POLLWRNORM));
splx(s);
- return(0);
+ return(revents);
}
/* skip_ifread()
@@ -786,9 +799,9 @@
* Returns: None
*/
static void
-skip_inittimers()
+skip_inittimers(void)
{
- timeout(skip_timer, NULL, skip_key_tick * hz);
+ skip_timeout_handle = timeout(skip_timer, NULL, skip_key_tick * hz);
}
/* skip_uninittimers()
@@ -798,9 +811,10 @@
* Returns: None
*/
static void
-skip_uninittimers()
+skip_uninittimers(void)
{
- untimeout(skip_timer, NULL);
+ untimeout(skip_timer, NULL, skip_timeout_handle);
+ callout_handle_init(&skip_timeout_handle);
}
/* skip_timer()
@@ -812,14 +826,13 @@
*/
/*ARGSUSED*/
static void
-skip_timer(arg)
- caddr_t arg;
+skip_timer(void *arg)
{
/*
* run through the key store
*/
skip_key_iterate(skip_key_check, NULL);
- timeout(skip_timer, NULL, skip_key_tick * hz);
+ skip_timeout_handle = timeout(skip_timer, NULL, skip_key_tick * hz);
}
#ifdef notdef
@@ -846,6 +859,7 @@
}
#endif
+#ifdef notdef
void
skip_dump_buf(char *what, unsigned char *p, int len)
{
@@ -857,7 +871,9 @@
}
printf("].\n");
}
+#endif
+#ifdef notdef
void
skip_dump_ip(struct ip *ip)
{
@@ -878,6 +894,7 @@
ip->ip_ttl, ip->ip_p, ntohs(ip->ip_sum));
}
+#endif
/*
* SKIP Ioctl and Interface management routines
@@ -1107,7 +1124,7 @@
int
skip_ifioctl(dev, cmd, data, fflag, p)
dev_t dev;
- int cmd;
+ u_long cmd;
caddr_t data;
int fflag;
struct proc *p;
@@ -1390,7 +1407,6 @@
skip_es_t *skip_if;
int iphlen, hdrlen = 0;
struct mbuf *decryptbuf = NULL;
- extern u_char ip_protox[];
skip_param_t params;
skip_hdr_t skip_hdr;
skip_es_hash_t *entry, **acl;
@@ -1718,7 +1734,7 @@
*/
decryptbuf->m_data += iphlen;
- SKIP_DEBUG2("skip_ifinput: decryptbuf m_len=%d m_data=%d\n",
+ SKIP_DEBUG2("skip_ifinput: decryptbuf m_len=%d m_data=%p\n",
decryptbuf->m_len, decryptbuf->m_data);
}
@@ -1745,7 +1761,7 @@
ip->ip_id = ntohs(ip->ip_id);
ip->ip_off = ntohs(ip->ip_off);
pass:
- m->m_flags &= ~ M_EOR;
+ m->m_flags &= ~ M_PROTO1;
(*inetsw_default[ip_protox[ip->ip_p]].pr_input)(m, hlen);
return (0);
}
@@ -1910,6 +1926,13 @@
*/
IPADDRCOPY(&params.tunnel_addr, &newip->ip_dst);
+ /*
+ * insert different source address if specified
+ */
+
+ if(params.source != 0)
+ (&newip->ip_src)->s_addr = params.source;
+
encryptbuf->m_len += sizeof (struct ip);
/*
@@ -2005,7 +2028,7 @@
if (params.kp_alg) {
newip->ip_p = SKIP_NEXT_ESP;
} else {
- newip->ip_p = IPPROTO_ENCAP;
+ newip->ip_p = IPPROTO_IPIP;
}
}
skip_if->stats.skip_if_raw_out++;
@@ -2028,6 +2051,13 @@
* insert tunnel address as destination
*/
IPADDRCOPY(&params.tunnel_addr, &newip->ip_dst);
+
+ /*
+ * insert different source address if specified
+ */
+
+ if(params.source != 0)
+ (&newip->ip_src)->s_addr = params.source;
}
if (params.s_nsid == 0) {
@@ -2097,7 +2127,7 @@
register skip_param_t *params = &res->params;
register struct ip *ip = mtod(original, struct ip *);
int rc, s, iphlen;
- struct mbuf *outbuf, *new_hdr;
+ struct mbuf *outbuf;
SKIP_PRINT("skip_decrypt_done", params);
@@ -2125,7 +2155,7 @@
*/
outbuf = (res->modes & SKIP_CRYPT_ON) ? m : original;
- if (res->proto != IPPROTO_ENCAP) {
+ if (res->proto != IPPROTO_IPIP) {
/*
* transport mode, need to copy original IP header
*/
@@ -2195,7 +2225,7 @@
/*
* tag the start of the header buffer so SKIP can recognise it
*/
- outbuf->m_flags |= M_EOR | M_PKTHDR;
+ outbuf->m_flags |= M_PROTO1 | M_PKTHDR;
s = splimp();
if (IF_QFULL(&ipintrq)) {
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