u8 *iv = desc->info;
unsigned int done = 0;
+ nbytes -= bsize;
+
do {
xor(iv, src);
fn(crypto_tfm_ctx(tfm), dst, iv);
src += bsize;
dst += bsize;
- } while ((done += bsize) < nbytes);
+ } while ((done += bsize) <= nbytes);
return done;
}
u8 *iv = desc->info;
unsigned int done = 0;
+ nbytes -= bsize;
+
do {
u8 *tmp_dst = *dst_p;
src += bsize;
dst += bsize;
- } while ((done += bsize) < nbytes);
+ } while ((done += bsize) <= nbytes);
return done;
}
void (*fn)(void *, u8 *, const u8 *) = desc->crfn;
unsigned int done = 0;
+ nbytes -= bsize;
+
do {
fn(crypto_tfm_ctx(tfm), dst, src);
src += bsize;
dst += bsize;
- } while ((done += bsize) < nbytes);
+ } while ((done += bsize) <= nbytes);
return done;
}
struct ArcProto *proto;
int txbuf;
unsigned long flags;
- int freeskb = 0;
+ int freeskb, retval;
BUGMSG(D_DURING,
"transmit requested (status=%Xh, txbufs=%d/%d, len=%d, protocol %x)\n",
if (skb->len - ARC_HDR_SIZE > XMTU && !proto->continue_tx) {
BUGMSG(D_NORMAL, "fixme: packet too large: compensating badly!\n");
dev_kfree_skb(skb);
- return 0; /* don't try again */
+ return NETDEV_TX_OK; /* don't try again */
}
/* We're busy transmitting a packet... */
spin_lock_irqsave(&lp->lock, flags);
AINTMASK(0);
-
- txbuf = get_arcbuf(dev);
+ if(lp->next_tx == -1)
+ txbuf = get_arcbuf(dev);
+ else {
+ txbuf = -1;
+ }
if (txbuf != -1) {
if (proto->prepare_tx(dev, pkt, skb->len, txbuf) &&
!proto->ack_tx) {
lp->outgoing.skb = skb;
lp->outgoing.pkt = pkt;
+ freeskb = 0;
+
if (proto->continue_tx &&
proto->continue_tx(dev, txbuf)) {
BUGMSG(D_NORMAL,
"(proto='%c')\n", proto->suffix);
}
}
-
+ retval = NETDEV_TX_OK;
+ dev->trans_start = jiffies;
lp->next_tx = txbuf;
} else {
- freeskb = 1;
+ retval = NETDEV_TX_BUSY;
+ freeskb = 0;
}
BUGMSG(D_DEBUG, "%s: %d: %s, status: %x\n",__FILE__,__LINE__,__FUNCTION__,ASTATUS());
if (freeskb) {
dev_kfree_skb(skb);
}
- return 0; /* no need to try again */
+ return retval; /* no need to try again */
}
/* start sending */
ACOMMAND(TXcmd | (lp->cur_tx << 3));
- dev->trans_start = jiffies;
lp->stats.tx_packets++;
lp->lasttrans_dest = lp->lastload_dest;
lp->lastload_dest = 0;
BUGMSG(D_RECON, "Network reconfiguration detected (status=%Xh)\n",
status);
+ /* MYRECON bit is at bit 7 of diagstatus */
+ if(diagstatus & 0x80)
+ BUGMSG(D_RECON,"Put out that recon myself\n");
/* is the RECON info empty or old? */
if (!lp->first_recon || !lp->last_recon ||
/* Unique ID */
unsigned int id;
+ /* Flags */
+ unsigned int flags;
+
#ifdef CONFIG_IP_NF_NAT_NEEDED
/* This is the original per-proto part, used to map the
* expected connection the way the recipient expects. */
#endif
};
+#define IP_CT_EXPECT_PERMANENT 0x1
+
static inline struct ip_conntrack *
tuplehash_to_ctrack(const struct ip_conntrack_tuple_hash *hash)
{
return ret;
}
-extern void __ip_ct_expect_unlink_destroy(struct ip_conntrack_expect *exp);
+extern void ip_ct_unlink_expect(struct ip_conntrack_expect *exp);
extern struct list_head *ip_conntrack_hash;
extern struct list_head ip_conntrack_expect_list;
alloc_null_binding(struct ip_conntrack *conntrack,
struct ip_nat_info *info,
unsigned int hooknum);
+
+extern unsigned int
+alloc_null_binding_confirmed(struct ip_conntrack *conntrack,
+ struct ip_nat_info *info,
+ unsigned int hooknum);
#endif
#endif /* _IP_NAT_RULE_H */
* This function converts the offset back to a struct timeval and stores
* it in stamp.
*/
-static inline void skb_get_timestamp(struct sk_buff *skb, struct timeval *stamp)
+static inline void skb_get_timestamp(const struct sk_buff *skb, struct timeval *stamp)
{
stamp->tv_sec = skb->tstamp.off_sec;
stamp->tv_usec = skb->tstamp.off_usec;
* This function converts a struct timeval to an offset and stores
* it in the skb.
*/
-static inline void skb_set_timestamp(struct sk_buff *skb, struct timeval *stamp)
+static inline void skb_set_timestamp(struct sk_buff *skb, const struct timeval *stamp)
{
skb->tstamp.off_sec = stamp->tv_sec - skb_tv_base.tv_sec;
skb->tstamp.off_usec = stamp->tv_usec - skb_tv_base.tv_usec;
/* ax25_addr.c */
extern ax25_address null_ax25_address;
-extern char *ax2asc(ax25_address *);
+extern char *ax2asc(char *buf, ax25_address *);
extern ax25_address *asc2ax(char *);
extern int ax25cmp(ax25_address *, ax25_address *);
extern int ax25digicmp(ax25_digi *, ax25_digi *);
static int ax25_info_show(struct seq_file *seq, void *v)
{
ax25_cb *ax25 = v;
+ char buf[11];
int k;
seq_printf(seq, "%8.8lx %s %s%s ",
(long) ax25,
ax25->ax25_dev == NULL? "???" : ax25->ax25_dev->dev->name,
- ax2asc(&ax25->source_addr),
+ ax2asc(buf, &ax25->source_addr),
ax25->iamdigi? "*":"");
- seq_printf(seq, "%s", ax2asc(&ax25->dest_addr));
+ seq_printf(seq, "%s", ax2asc(buf, &ax25->dest_addr));
for (k=0; (ax25->digipeat != NULL) && (k < ax25->digipeat->ndigi); k++) {
seq_printf(seq, ",%s%s",
- ax2asc(&ax25->digipeat->calls[k]),
+ ax2asc(buf, &ax25->digipeat->calls[k]),
ax25->digipeat->repeated[k]? "*":"");
}
/*
* ax25 -> ascii conversion
*/
-char *ax2asc(ax25_address *a)
+char *ax2asc(char *buf, ax25_address *a)
{
- static char buf[11];
char c, *s;
int n;
static int ax25_rt_seq_show(struct seq_file *seq, void *v)
{
+ char buf[11];
+
if (v == SEQ_START_TOKEN)
seq_puts(seq, "callsign dev mode digipeaters\n");
else {
if (ax25cmp(&ax25_rt->callsign, &null_ax25_address) == 0)
callsign = "default";
else
- callsign = ax2asc(&ax25_rt->callsign);
+ callsign = ax2asc(buf, &ax25_rt->callsign);
seq_printf(seq, "%-9s %-4s",
callsign,
if (ax25_rt->digipeat != NULL)
for (i = 0; i < ax25_rt->digipeat->ndigi; i++)
- seq_printf(seq, " %s", ax2asc(&ax25_rt->digipeat->calls[i]));
+ seq_printf(seq, " %s",
+ ax2asc(buf, &ax25_rt->digipeat->calls[i]));
seq_puts(seq, "\n");
}
static int ax25_uid_seq_show(struct seq_file *seq, void *v)
{
+ char buf[11];
+
if (v == SEQ_START_TOKEN)
seq_printf(seq, "Policy: %d\n", ax25_uid_policy);
else {
struct ax25_uid_assoc *pt = v;
- seq_printf(seq, "%6d %s\n", pt->uid, ax2asc(&pt->call));
+ seq_printf(seq, "%6d %s\n", pt->uid, ax2asc(buf, &pt->call));
}
return 0;
}
sock_reset_flag(sk, SOCK_LINGER);
else {
#if (BITS_PER_LONG == 32)
- if (ling.l_linger >= MAX_SCHEDULE_TIMEOUT/HZ)
+ if ((unsigned int)ling.l_linger >= MAX_SCHEDULE_TIMEOUT/HZ)
sk->sk_lingertime = MAX_SCHEDULE_TIMEOUT;
else
#endif
- sk->sk_lingertime = ling.l_linger * HZ;
+ sk->sk_lingertime = (unsigned int)ling.l_linger * HZ;
sock_set_flag(sk, SOCK_LINGER);
}
break;
void proto_unregister(struct proto *prot)
{
write_lock(&proto_list_lock);
+ list_del(&prot->node);
+ write_unlock(&proto_list_lock);
if (prot->slab != NULL) {
kmem_cache_destroy(prot->slab);
kfree(name);
prot->twsk_slab = NULL;
}
-
- list_del(&prot->node);
- write_unlock(&proto_list_lock);
}
EXPORT_SYMBOL(proto_unregister);
if (pskb_pull(skb, ihl) == NULL)
goto err;
- if (pskb_trim(skb, end-offset))
+ if (pskb_trim_rcsum(skb, end-offset))
goto err;
/* Find out which fragments are in front and at the back of us
config IP_NF_CONNTRACK_MARK
bool 'Connection mark tracking support'
+ depends on IP_NF_CONNTRACK
help
This option enables support for connection marks, used by the
`CONNMARK' target and `connmark' match. Similar to the mark value
To compile it as a module, choose M here. If unsure, say Y.
+config IP_NF_NETBIOS_NS
+ tristate "NetBIOS name service protocol support (EXPERIMENTAL)"
+ depends on IP_NF_CONNTRACK && EXPERIMENTAL
+ help
+ NetBIOS name service requests are sent as broadcast messages from an
+ unprivileged port and responded to with unicast messages to the
+ same port. This make them hard to firewall properly because connection
+ tracking doesn't deal with broadcasts. This helper tracks locally
+ originating NetBIOS name service requests and the corresponding
+ responses. It relies on correct IP address configuration, specifically
+ netmask and broadcast address. When properly configured, the output
+ of "ip address show" should look similar to this:
+
+ $ ip -4 address show eth0
+ 4: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 1000
+ inet 172.16.2.252/24 brd 172.16.2.255 scope global eth0
+
+ To compile it as a module, choose M here. If unsure, say N.
+
config IP_NF_TFTP
tristate "TFTP protocol support"
depends on IP_NF_CONNTRACK
obj-$(CONFIG_IP_NF_TFTP) += ip_conntrack_tftp.o
obj-$(CONFIG_IP_NF_FTP) += ip_conntrack_ftp.o
obj-$(CONFIG_IP_NF_IRC) += ip_conntrack_irc.o
+obj-$(CONFIG_IP_NF_NETBIOS_NS) += ip_conntrack_netbios_ns.o
# NAT helpers
obj-$(CONFIG_IP_NF_NAT_AMANDA) += ip_nat_amanda.o
}
exp->expectfn = NULL;
+ exp->flags = 0;
exp->tuple.src.ip = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.ip;
exp->tuple.src.u.tcp.port = 0;
/* ip_conntrack_expect helper functions */
-static void unlink_expect(struct ip_conntrack_expect *exp)
+void ip_ct_unlink_expect(struct ip_conntrack_expect *exp)
{
ASSERT_WRITE_LOCK(&ip_conntrack_lock);
IP_NF_ASSERT(!timer_pending(&exp->timeout));
ip_conntrack_expect_put(exp);
}
-void __ip_ct_expect_unlink_destroy(struct ip_conntrack_expect *exp)
-{
- unlink_expect(exp);
- ip_conntrack_expect_put(exp);
-}
-
static void expectation_timed_out(unsigned long ul_expect)
{
struct ip_conntrack_expect *exp = (void *)ul_expect;
write_lock_bh(&ip_conntrack_lock);
- unlink_expect(exp);
+ ip_ct_unlink_expect(exp);
write_unlock_bh(&ip_conntrack_lock);
ip_conntrack_expect_put(exp);
}
master ct never got confirmed, we'd hold a reference to it
and weird things would happen to future packets). */
if (ip_ct_tuple_mask_cmp(tuple, &i->tuple, &i->mask)
- && is_confirmed(i->master)
- && del_timer(&i->timeout)) {
- unlink_expect(i);
- return i;
+ && is_confirmed(i->master)) {
+ if (i->flags & IP_CT_EXPECT_PERMANENT) {
+ atomic_inc(&i->use);
+ return i;
+ } else if (del_timer(&i->timeout)) {
+ ip_ct_unlink_expect(i);
+ return i;
+ }
}
}
return NULL;
list_for_each_entry_safe(i, tmp, &ip_conntrack_expect_list, list) {
if (i->master == ct && del_timer(&i->timeout)) {
- unlink_expect(i);
+ ip_ct_unlink_expect(i);
ip_conntrack_expect_put(i);
}
}
/* choose the the oldest expectation to evict */
list_for_each_entry_reverse(i, &ip_conntrack_expect_list, list) {
if (expect_matches(i, exp) && del_timer(&i->timeout)) {
- unlink_expect(i);
+ ip_ct_unlink_expect(i);
write_unlock_bh(&ip_conntrack_lock);
ip_conntrack_expect_put(i);
return;
write_unlock_bh(&ip_conntrack_lock);
}
+/* We don't increase the master conntrack refcount for non-fulfilled
+ * conntracks. During the conntrack destruction, the expectations are
+ * always killed before the conntrack itself */
struct ip_conntrack_expect *ip_conntrack_expect_alloc(struct ip_conntrack *me)
{
struct ip_conntrack_expect *new;
return NULL;
}
new->master = me;
- atomic_inc(&new->master->ct_general.use);
atomic_set(&new->use, 1);
return new;
}
void ip_conntrack_expect_put(struct ip_conntrack_expect *exp)
{
- if (atomic_dec_and_test(&exp->use)) {
- ip_conntrack_put(exp->master);
+ if (atomic_dec_and_test(&exp->use))
kmem_cache_free(ip_conntrack_expect_cachep, exp);
- }
}
static void ip_conntrack_expect_insert(struct ip_conntrack_expect *exp)
list_for_each_entry_reverse(i, &ip_conntrack_expect_list, list) {
if (i->master == master) {
if (del_timer(&i->timeout)) {
- unlink_expect(i);
+ ip_ct_unlink_expect(i);
ip_conntrack_expect_put(i);
}
break;
/* Get rid of expectations */
list_for_each_entry_safe(exp, tmp, &ip_conntrack_expect_list, list) {
if (exp->master->helper == me && del_timer(&exp->timeout)) {
- unlink_expect(exp);
+ ip_ct_unlink_expect(exp);
ip_conntrack_expect_put(exp);
}
}
{ 0xFFFFFFFF, { .tcp = { 0xFFFF } }, 0xFF }});
exp->expectfn = NULL;
+ exp->flags = 0;
/* Now, NAT might want to mangle the packet, and register the
* (possibly changed) expectation itself. */
{ { 0, { 0 } },
{ 0xFFFFFFFF, { .tcp = { 0xFFFF } }, 0xFF }});
exp->expectfn = NULL;
+ exp->flags = 0;
if (ip_nat_irc_hook)
ret = ip_nat_irc_hook(pskb, ctinfo,
addr_beg_p - ib_ptr,
--- /dev/null
+/*
+ * NetBIOS name service broadcast connection tracking helper
+ *
+ * (c) 2005 Patrick McHardy <kaber@trash.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+/*
+ * This helper tracks locally originating NetBIOS name service
+ * requests by issuing permanent expectations (valid until
+ * timing out) matching all reply connections from the
+ * destination network. The only NetBIOS specific thing is
+ * actually the port number.
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+#include <linux/inetdevice.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/udp.h>
+#include <net/route.h>
+
+#include <linux/netfilter.h>
+#include <linux/netfilter_ipv4.h>
+#include <linux/netfilter_ipv4/ip_conntrack.h>
+#include <linux/netfilter_ipv4/ip_conntrack_helper.h>
+
+MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
+MODULE_DESCRIPTION("NetBIOS name service broadcast connection tracking helper");
+MODULE_LICENSE("GPL");
+
+static unsigned int timeout = 3;
+module_param(timeout, int, 0600);
+MODULE_PARM_DESC(timeout, "timeout for master connection/replies in seconds");
+
+static int help(struct sk_buff **pskb,
+ struct ip_conntrack *ct, enum ip_conntrack_info ctinfo)
+{
+ struct ip_conntrack_expect *exp;
+ struct iphdr *iph = (*pskb)->nh.iph;
+ struct udphdr _uh, *uh;
+ struct rtable *rt = (struct rtable *)(*pskb)->dst;
+ struct in_device *in_dev;
+ u_int32_t mask = 0;
+
+ /* we're only interested in locally generated packets */
+ if ((*pskb)->sk == NULL)
+ goto out;
+ if (rt == NULL || !(rt->rt_flags & RTCF_BROADCAST))
+ goto out;
+ if (CTINFO2DIR(ctinfo) != IP_CT_DIR_ORIGINAL)
+ goto out;
+
+ rcu_read_lock();
+ in_dev = __in_dev_get(rt->u.dst.dev);
+ if (in_dev != NULL) {
+ for_primary_ifa(in_dev) {
+ if (ifa->ifa_broadcast == iph->daddr) {
+ mask = ifa->ifa_mask;
+ break;
+ }
+ } endfor_ifa(in_dev);
+ }
+ rcu_read_unlock();
+
+ if (mask == 0)
+ goto out;
+
+ uh = skb_header_pointer(*pskb, iph->ihl * 4, sizeof(_uh), &_uh);
+ BUG_ON(uh == NULL);
+
+ exp = ip_conntrack_expect_alloc(ct);
+ if (exp == NULL)
+ goto out;
+ memset(&exp->tuple, 0, sizeof(exp->tuple));
+ exp->tuple.src.ip = iph->daddr & mask;
+ exp->tuple.dst.ip = iph->saddr;
+ exp->tuple.dst.u.udp.port = uh->source;
+ exp->tuple.dst.protonum = IPPROTO_UDP;
+
+ memset(&exp->mask, 0, sizeof(exp->mask));
+ exp->mask.src.ip = mask;
+ exp->mask.dst.ip = 0xFFFFFFFF;
+ exp->mask.dst.u.udp.port = 0xFFFF;
+ exp->mask.dst.protonum = 0xFF;
+
+ exp->expectfn = NULL;
+ exp->flags = IP_CT_EXPECT_PERMANENT;
+
+ ip_conntrack_expect_related(exp);
+ ip_conntrack_expect_put(exp);
+
+ ip_ct_refresh_acct(ct, ctinfo, NULL, timeout * HZ);
+out:
+ return NF_ACCEPT;
+}
+
+static struct ip_conntrack_helper helper = {
+ .name = "netbios-ns",
+ .tuple = {
+ .src.u.udp.port = __constant_htons(137),
+ .dst.protonum = IPPROTO_UDP,
+ },
+ .mask = {
+ .src.u.udp.port = 0xFFFF,
+ .dst.protonum = 0xFF,
+ },
+ .max_expected = 1,
+ .me = THIS_MODULE,
+ .help = help,
+};
+
+static int __init init(void)
+{
+ helper.timeout = timeout;
+ return ip_conntrack_helper_register(&helper);
+}
+
+static void __exit fini(void)
+{
+ ip_conntrack_helper_unregister(&helper);
+}
+
+module_init(init);
+module_exit(fini);
list_for_each_entry_safe(exp, tmp, &ip_conntrack_expect_list,
list) {
if (exp->master->helper == h
- && del_timer(&exp->timeout))
- __ip_ct_expect_unlink_destroy(exp);
+ && del_timer(&exp->timeout)) {
+ ip_ct_unlink_expect(exp);
+ ip_conntrack_expect_put(exp);
+ }
}
write_unlock(&ip_conntrack_lock);
} else {
write_lock_bh(&ip_conntrack_lock);
list_for_each_entry_safe(exp, tmp, &ip_conntrack_expect_list,
list) {
- if (del_timer(&exp->timeout))
- __ip_ct_expect_unlink_destroy(exp);
+ if (del_timer(&exp->timeout)) {
+ ip_ct_unlink_expect(exp);
+ ip_conntrack_expect_put(exp);
+ }
}
write_unlock_bh(&ip_conntrack_lock);
}
}
exp->expectfn = NULL;
+ exp->flags = 0;
exp->master = ct;
memcpy(&exp->tuple, &tuple, sizeof(struct ip_conntrack_tuple));
memcpy(&exp->mask, &mask, sizeof(struct ip_conntrack_tuple));
return 0;
nfattr_failure:
+ read_unlock_bh(&tcp_lock);
return -1;
}
#endif
EXPORT_SYMBOL(ip_conntrack_unexpect_related);
EXPORT_SYMBOL_GPL(ip_conntrack_expect_list);
EXPORT_SYMBOL_GPL(__ip_conntrack_expect_find);
-EXPORT_SYMBOL_GPL(__ip_ct_expect_unlink_destroy);
+EXPORT_SYMBOL_GPL(ip_ct_unlink_expect);
EXPORT_SYMBOL(ip_conntrack_tuple_taken);
EXPORT_SYMBOL(ip_ct_gather_frags);
exp->mask.dst.u.udp.port = 0xffff;
exp->mask.dst.protonum = 0xff;
exp->expectfn = NULL;
+ exp->flags = 0;
DEBUGP("expect: ");
DUMP_TUPLE(&exp->tuple);
return ip_nat_setup_info(conntrack, &range, hooknum);
}
+unsigned int
+alloc_null_binding_confirmed(struct ip_conntrack *conntrack,
+ struct ip_nat_info *info,
+ unsigned int hooknum)
+{
+ u_int32_t ip
+ = (HOOK2MANIP(hooknum) == IP_NAT_MANIP_SRC
+ ? conntrack->tuplehash[IP_CT_DIR_REPLY].tuple.dst.ip
+ : conntrack->tuplehash[IP_CT_DIR_REPLY].tuple.src.ip);
+ u_int16_t all
+ = (HOOK2MANIP(hooknum) == IP_NAT_MANIP_SRC
+ ? conntrack->tuplehash[IP_CT_DIR_REPLY].tuple.dst.u.all
+ : conntrack->tuplehash[IP_CT_DIR_REPLY].tuple.src.u.all);
+ struct ip_nat_range range
+ = { IP_NAT_RANGE_MAP_IPS, ip, ip, { all }, { all } };
+
+ DEBUGP("Allocating NULL binding for confirmed %p (%u.%u.%u.%u)\n",
+ conntrack, NIPQUAD(ip));
+ return ip_nat_setup_info(conntrack, &range, hooknum);
+}
+
int ip_nat_rule_find(struct sk_buff **pskb,
unsigned int hooknum,
const struct net_device *in,
if (!ip_nat_initialized(ct, maniptype)) {
unsigned int ret;
- /* LOCAL_IN hook doesn't have a chain! */
- if (hooknum == NF_IP_LOCAL_IN)
+ if (unlikely(is_confirmed(ct)))
+ /* NAT module was loaded late */
+ ret = alloc_null_binding_confirmed(ct, info,
+ hooknum);
+ else if (hooknum == NF_IP_LOCAL_IN)
+ /* LOCAL_IN hook doesn't have a chain! */
ret = alloc_null_binding(ct, info, hooknum);
else
ret = ip_nat_rule_find(pskb, hooknum,
break;
case NFQNL_COPY_PACKET:
+ if (entry->skb->ip_summed == CHECKSUM_HW &&
+ (*errp = skb_checksum_help(entry->skb,
+ entry->info->outdev == NULL))) {
+ spin_unlock_bh(&queue->lock);
+ return NULL;
+ }
if (queue->copy_range == 0
|| queue->copy_range > entry->skb->len)
data_len = entry->skb->len;
if (!skb_make_writable(&e->skb, data_len))
return -ENOMEM;
memcpy(e->skb->data, data, data_len);
-
+ e->skb->ip_summed = CHECKSUM_NONE;
return 0;
}
if (nl_table[protocol].registered &&
try_module_get(nl_table[protocol].module))
module = nl_table[protocol].module;
- else
- err = -EPROTONOSUPPORT;
groups = nl_table[protocol].groups;
netlink_unlock_table();
- if (err || (err = __netlink_create(sock, protocol) < 0))
+ if ((err = __netlink_create(sock, protocol) < 0))
goto out_module;
nlk = nlk_sk(sock->sk);
-
- nlk->groups = kmalloc(NLGRPSZ(groups), GFP_KERNEL);
- if (nlk->groups == NULL) {
- err = -ENOMEM;
- goto out_module;
- }
- memset(nlk->groups, 0, NLGRPSZ(groups));
- nlk->ngroups = groups;
-
nlk->module = module;
out:
return err;
nlk->subscriptions = subscriptions;
}
+static int netlink_alloc_groups(struct sock *sk)
+{
+ struct netlink_sock *nlk = nlk_sk(sk);
+ unsigned int groups;
+ int err = 0;
+
+ netlink_lock_table();
+ groups = nl_table[sk->sk_protocol].groups;
+ if (!nl_table[sk->sk_protocol].registered)
+ err = -ENOENT;
+ netlink_unlock_table();
+
+ if (err)
+ return err;
+
+ nlk->groups = kmalloc(NLGRPSZ(groups), GFP_KERNEL);
+ if (nlk->groups == NULL)
+ return -ENOMEM;
+ memset(nlk->groups, 0, NLGRPSZ(groups));
+ nlk->ngroups = groups;
+ return 0;
+}
+
static int netlink_bind(struct socket *sock, struct sockaddr *addr, int addr_len)
{
struct sock *sk = sock->sk;
return -EINVAL;
/* Only superuser is allowed to listen multicasts */
- if (nladdr->nl_groups && !netlink_capable(sock, NL_NONROOT_RECV))
- return -EPERM;
+ if (nladdr->nl_groups) {
+ if (!netlink_capable(sock, NL_NONROOT_RECV))
+ return -EPERM;
+ if (nlk->groups == NULL) {
+ err = netlink_alloc_groups(sk);
+ if (err)
+ return err;
+ }
+ }
if (nlk->pid) {
if (nladdr->nl_pid != nlk->pid)
return err;
}
- if (!nladdr->nl_groups && !(u32)nlk->groups[0])
+ if (!nladdr->nl_groups && (nlk->groups == NULL || !(u32)nlk->groups[0]))
return 0;
netlink_table_grab();
nladdr->nl_groups = netlink_group_mask(nlk->dst_group);
} else {
nladdr->nl_pid = nlk->pid;
- nladdr->nl_groups = nlk->groups[0];
+ nladdr->nl_groups = nlk->groups ? nlk->groups[0] : 0;
}
return 0;
}
if (!netlink_capable(sock, NL_NONROOT_RECV))
return -EPERM;
+ if (nlk->groups == NULL) {
+ err = netlink_alloc_groups(sk);
+ if (err)
+ return err;
+ }
if (!val || val - 1 >= nlk->ngroups)
return -EINVAL;
netlink_table_grab();
s,
s->sk_protocol,
nlk->pid,
- nlk->flags & NETLINK_KERNEL_SOCKET ?
- 0 : (unsigned int)nlk->groups[0],
+ nlk->groups ? (u32)nlk->groups[0] : 0,
atomic_read(&s->sk_rmem_alloc),
atomic_read(&s->sk_wmem_alloc),
nlk->cb,
struct net_device *dev;
struct nr_sock *nr;
const char *devname;
+ char buf[11];
if (v == SEQ_START_TOKEN)
seq_puts(seq,
else
devname = dev->name;
- seq_printf(seq, "%-9s ", ax2asc(&nr->user_addr));
- seq_printf(seq, "%-9s ", ax2asc(&nr->dest_addr));
+ seq_printf(seq, "%-9s ", ax2asc(buf, &nr->user_addr));
+ seq_printf(seq, "%-9s ", ax2asc(buf, &nr->dest_addr));
seq_printf(seq,
"%-9s %-3s %02X/%02X %02X/%02X %2d %3d %3d %3d %3lu/%03lu %2lu/%02lu %3lu/%03lu %3lu/%03lu %2d/%02d %3d %5d %5d %ld\n",
- ax2asc(&nr->source_addr),
+ ax2asc(buf, &nr->source_addr),
devname,
nr->my_index,
nr->my_id,
static int nr_node_show(struct seq_file *seq, void *v)
{
+ char buf[11];
int i;
if (v == SEQ_START_TOKEN)
struct nr_node *nr_node = v;
nr_node_lock(nr_node);
seq_printf(seq, "%-9s %-7s %d %d",
- ax2asc(&nr_node->callsign),
+ ax2asc(buf, &nr_node->callsign),
(nr_node->mnemonic[0] == '\0') ? "*" : nr_node->mnemonic,
nr_node->which + 1,
nr_node->count);
static int nr_neigh_show(struct seq_file *seq, void *v)
{
+ char buf[11];
int i;
if (v == SEQ_START_TOKEN)
seq_printf(seq, "%05d %-9s %-4s %3d %d %3d %3d",
nr_neigh->number,
- ax2asc(&nr_neigh->callsign),
+ ax2asc(buf, &nr_neigh->callsign),
nr_neigh->dev ? nr_neigh->dev->name : "???",
nr_neigh->quality,
nr_neigh->locked,
if (nr_neigh->digipeat != NULL) {
for (i = 0; i < nr_neigh->digipeat->ndigi; i++)
seq_printf(seq, " %s",
- ax2asc(&nr_neigh->digipeat->calls[i]));
+ ax2asc(buf, &nr_neigh->digipeat->calls[i]));
}
seq_puts(seq, "\n");
static void packet_mm_open(struct vm_area_struct *vma)
{
struct file *file = vma->vm_file;
- struct inode *inode = file->f_dentry->d_inode;
- struct socket * sock = SOCKET_I(inode);
+ struct socket * sock = file->private_data;
struct sock *sk = sock->sk;
if (sk)
static void packet_mm_close(struct vm_area_struct *vma)
{
struct file *file = vma->vm_file;
- struct inode *inode = file->f_dentry->d_inode;
- struct socket * sock = SOCKET_I(inode);
+ struct socket * sock = file->private_data;
struct sock *sk = sock->sk;
if (sk)
static int rose_info_show(struct seq_file *seq, void *v)
{
+ char buf[11];
+
if (v == SEQ_START_TOKEN)
seq_puts(seq,
"dest_addr dest_call src_addr src_call dev lci neigh st vs vr va t t1 t2 t3 hb idle Snd-Q Rcv-Q inode\n");
seq_printf(seq, "%-10s %-9s ",
rose2asc(&rose->dest_addr),
- ax2asc(&rose->dest_call));
+ ax2asc(buf, &rose->dest_call));
if (ax25cmp(&rose->source_call, &null_ax25_address) == 0)
callsign = "??????-?";
else
- callsign = ax2asc(&rose->source_call);
+ callsign = ax2asc(buf, &rose->source_call);
seq_printf(seq,
"%-10s %-9s %-5s %3.3X %05d %d %d %d %d %3lu %3lu %3lu %3lu %3lu %3lu/%03lu %5d %5d %ld\n",
unsigned char cause, diagnostic;
struct net_device *dev;
int len, res = 0;
+ char buf[11];
#if 0
if (call_in_firewall(PF_ROSE, skb->dev, skb->data, NULL, &skb) != FW_ACCEPT)
if (rose_neigh == NULL) {
printk("rose_route : unknown neighbour or device %s\n",
- ax2asc(&ax25->dest_addr));
+ ax2asc(buf, &ax25->dest_addr));
goto out;
}
static int rose_neigh_show(struct seq_file *seq, void *v)
{
+ char buf[11];
int i;
if (v == SEQ_START_TOKEN)
/* if (!rose_neigh->loopback) { */
seq_printf(seq, "%05d %-9s %-4s %3d %3d %3s %3s %3lu %3lu",
rose_neigh->number,
- (rose_neigh->loopback) ? "RSLOOP-0" : ax2asc(&rose_neigh->callsign),
+ (rose_neigh->loopback) ? "RSLOOP-0" : ax2asc(buf, &rose_neigh->callsign),
rose_neigh->dev ? rose_neigh->dev->name : "???",
rose_neigh->count,
rose_neigh->use,
if (rose_neigh->digipeat != NULL) {
for (i = 0; i < rose_neigh->digipeat->ndigi; i++)
- seq_printf(seq, " %s", ax2asc(&rose_neigh->digipeat->calls[i]));
+ seq_printf(seq, " %s", ax2asc(buf, &rose_neigh->digipeat->calls[i]));
}
seq_puts(seq, "\n");
static int rose_route_show(struct seq_file *seq, void *v)
{
+ char buf[11];
+
if (v == SEQ_START_TOKEN)
seq_puts(seq,
"lci address callsign neigh <-> lci address callsign neigh\n");
"%3.3X %-10s %-9s %05d ",
rose_route->lci1,
rose2asc(&rose_route->src_addr),
- ax2asc(&rose_route->src_call),
+ ax2asc(buf, &rose_route->src_call),
rose_route->neigh1->number);
else
seq_puts(seq,
"%3.3X %-10s %-9s %05d\n",
rose_route->lci2,
rose2asc(&rose_route->dest_addr),
- ax2asc(&rose_route->dest_call),
+ ax2asc(buf, &rose_route->dest_call),
rose_route->neigh2->number);
else
seq_puts(seq,
{
unsigned char *p = buffer + 1;
char *callsign;
+ char buf[11];
int len, nb;
/* National Facilities */
*p++ = FAC_CCITT_DEST_NSAP;
- callsign = ax2asc(&rose->dest_call);
+ callsign = ax2asc(buf, &rose->dest_call);
*p++ = strlen(callsign) + 10;
*p++ = (strlen(callsign) + 9) * 2; /* ??? */
*p++ = FAC_CCITT_SRC_NSAP;
- callsign = ax2asc(&rose->source_call);
+ callsign = ax2asc(buf, &rose->source_call);
*p++ = strlen(callsign) + 10;
*p++ = (strlen(callsign) + 9) * 2; /* ??? */
}
iocb->private = x;
x->kiocb = iocb;
- sock = SOCKET_I(iocb->ki_filp->f_dentry->d_inode);
+ sock = iocb->ki_filp->private_data;
x->async_msg.msg_name = NULL;
x->async_msg.msg_namelen = 0;
}
iocb->private = x;
x->kiocb = iocb;
- sock = SOCKET_I(iocb->ki_filp->f_dentry->d_inode);
+ sock = iocb->ki_filp->private_data;
x->async_msg.msg_name = NULL;
x->async_msg.msg_namelen = 0;
struct socket *sock;
int flags;
- sock = SOCKET_I(file->f_dentry->d_inode);
+ sock = file->private_data;
flags = !(file->f_flags & O_NONBLOCK) ? 0 : MSG_DONTWAIT;
if (more)
return sock->ops->sendpage(sock, page, offset, size, flags);
}
-static int sock_readv_writev(int type, struct inode * inode,
+static int sock_readv_writev(int type,
struct file * file, const struct iovec * iov,
long count, size_t size)
{
struct msghdr msg;
struct socket *sock;
- sock = SOCKET_I(inode);
+ sock = file->private_data;
msg.msg_name = NULL;
msg.msg_namelen = 0;
int i;
for (i = 0 ; i < count ; i++)
tot_len += vector[i].iov_len;
- return sock_readv_writev(VERIFY_WRITE, file->f_dentry->d_inode,
+ return sock_readv_writev(VERIFY_WRITE,
file, vector, count, tot_len);
}
int i;
for (i = 0 ; i < count ; i++)
tot_len += vector[i].iov_len;
- return sock_readv_writev(VERIFY_READ, file->f_dentry->d_inode,
+ return sock_readv_writev(VERIFY_READ,
file, vector, count, tot_len);
}
void __user *argp = (void __user *)arg;
int pid, err;
- sock = SOCKET_I(file->f_dentry->d_inode);
+ sock = file->private_data;
if (cmd >= SIOCDEVPRIVATE && cmd <= (SIOCDEVPRIVATE + 15)) {
err = dev_ioctl(cmd, argp);
} else
/*
* We can't return errors to poll, so it's either yes or no.
*/
- sock = SOCKET_I(file->f_dentry->d_inode);
+ sock = file->private_data;
return sock->ops->poll(file, sock, wait);
}
static int sock_mmap(struct file * file, struct vm_area_struct * vma)
{
- struct socket *sock = SOCKET_I(file->f_dentry->d_inode);
+ struct socket *sock = file->private_data;
return sock->ops->mmap(file, sock, vma);
}
return -ENOMEM;
}
- sock = SOCKET_I(filp->f_dentry->d_inode);
+ sock = filp->private_data;
if ((sk=sock->sk) == NULL) {
kfree(fna);
git.samba.org / sfrench / cifs-2.6.git / commitdiff