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-rw-r--r--net/ax25/af_ax25.c29
-rw-r--r--net/ax25/ax25_ds_in.c3
-rw-r--r--net/ax25/ax25_ds_timer.c2
-rw-r--r--net/ax25/ax25_in.c17
-rw-r--r--net/ax25/ax25_route.c12
-rw-r--r--net/ax25/ax25_std_in.c3
-rw-r--r--net/ax25/ax25_std_timer.c2
-rw-r--r--net/ax25/ax25_subr.c4
-rw-r--r--net/ax25/ax25_uid.c83
9 files changed, 68 insertions, 87 deletions
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index 707097deac3..ea43dfb774e 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -45,7 +45,7 @@
#include <linux/sysctl.h>
#include <linux/init.h>
#include <linux/spinlock.h>
-#include <net/tcp.h>
+#include <net/tcp_states.h>
#include <net/ip.h>
#include <net/arp.h>
@@ -875,12 +875,7 @@ struct sock *ax25_make_new(struct sock *osk, struct ax25_dev *ax25_dev)
sk->sk_sndbuf = osk->sk_sndbuf;
sk->sk_state = TCP_ESTABLISHED;
sk->sk_sleep = osk->sk_sleep;
-
- if (sock_flag(osk, SOCK_DBG))
- sock_set_flag(sk, SOCK_DBG);
-
- if (sock_flag(osk, SOCK_ZAPPED))
- sock_set_flag(sk, SOCK_ZAPPED);
+ sock_copy_flags(sk, osk);
oax25 = ax25_sk(osk);
@@ -1007,7 +1002,8 @@ static int ax25_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
struct sock *sk = sock->sk;
struct full_sockaddr_ax25 *addr = (struct full_sockaddr_ax25 *)uaddr;
ax25_dev *ax25_dev = NULL;
- ax25_address *call;
+ ax25_uid_assoc *user;
+ ax25_address call;
ax25_cb *ax25;
int err = 0;
@@ -1026,9 +1022,15 @@ static int ax25_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
if (addr->fsa_ax25.sax25_family != AF_AX25)
return -EINVAL;
- call = ax25_findbyuid(current->euid);
- if (call == NULL && ax25_uid_policy && !capable(CAP_NET_ADMIN)) {
- return -EACCES;
+ user = ax25_findbyuid(current->euid);
+ if (user) {
+ call = user->call;
+ ax25_uid_put(user);
+ } else {
+ if (ax25_uid_policy && !capable(CAP_NET_ADMIN))
+ return -EACCES;
+
+ call = addr->fsa_ax25.sax25_call;
}
lock_sock(sk);
@@ -1039,10 +1041,7 @@ static int ax25_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
goto out;
}
- if (call == NULL)
- ax25->source_addr = addr->fsa_ax25.sax25_call;
- else
- ax25->source_addr = *call;
+ ax25->source_addr = call;
/*
* User already set interface with SO_BINDTODEVICE
diff --git a/net/ax25/ax25_ds_in.c b/net/ax25/ax25_ds_in.c
index 8adc0022cf5..edcaa897027 100644
--- a/net/ax25/ax25_ds_in.c
+++ b/net/ax25/ax25_ds_in.c
@@ -22,8 +22,7 @@
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <net/sock.h>
-#include <net/ip.h> /* For ip_rcv */
-#include <net/tcp.h>
+#include <net/tcp_states.h>
#include <asm/uaccess.h>
#include <asm/system.h>
#include <linux/fcntl.h>
diff --git a/net/ax25/ax25_ds_timer.c b/net/ax25/ax25_ds_timer.c
index 3a8b67316fc..061083efc1d 100644
--- a/net/ax25/ax25_ds_timer.c
+++ b/net/ax25/ax25_ds_timer.c
@@ -18,7 +18,7 @@
#include <linux/string.h>
#include <linux/sockios.h>
#include <linux/net.h>
-#include <net/tcp.h>
+#include <net/tcp_states.h>
#include <net/ax25.h>
#include <linux/inet.h>
#include <linux/netdevice.h>
diff --git a/net/ax25/ax25_in.c b/net/ax25/ax25_in.c
index 3dc808fde33..810c9c76c2e 100644
--- a/net/ax25/ax25_in.c
+++ b/net/ax25/ax25_in.c
@@ -9,7 +9,6 @@
* Copyright (C) Joerg Reuter DL1BKE (jreuter@yaina.de)
* Copyright (C) Hans-Joachim Hetscher DD8NE (dd8ne@bnv-bamberg.de)
*/
-#include <linux/config.h>
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/socket.h>
@@ -26,9 +25,7 @@
#include <linux/skbuff.h>
#include <linux/netfilter.h>
#include <net/sock.h>
-#include <net/ip.h> /* For ip_rcv */
-#include <net/tcp.h>
-#include <net/arp.h> /* For arp_rcv */
+#include <net/tcp_states.h>
#include <asm/uaccess.h>
#include <asm/system.h>
#include <linux/fcntl.h>
@@ -114,7 +111,6 @@ int ax25_rx_iframe(ax25_cb *ax25, struct sk_buff *skb)
pid = *skb->data;
-#ifdef CONFIG_INET
if (pid == AX25_P_IP) {
/* working around a TCP bug to keep additional listeners
* happy. TCP re-uses the buffer and destroys the original
@@ -132,10 +128,9 @@ int ax25_rx_iframe(ax25_cb *ax25, struct sk_buff *skb)
skb->dev = ax25->ax25_dev->dev;
skb->pkt_type = PACKET_HOST;
skb->protocol = htons(ETH_P_IP);
- ip_rcv(skb, skb->dev, NULL); /* Wrong ptype */
+ netif_rx(skb);
return 1;
}
-#endif
if (pid == AX25_P_SEGMENT) {
skb_pull(skb, 1); /* Remove PID */
return ax25_rx_fragment(ax25, skb);
@@ -250,7 +245,6 @@ static int ax25_rcv(struct sk_buff *skb, struct net_device *dev,
/* Now we are pointing at the pid byte */
switch (skb->data[1]) {
-#ifdef CONFIG_INET
case AX25_P_IP:
skb_pull(skb,2); /* drop PID/CTRL */
skb->h.raw = skb->data;
@@ -258,7 +252,7 @@ static int ax25_rcv(struct sk_buff *skb, struct net_device *dev,
skb->dev = dev;
skb->pkt_type = PACKET_HOST;
skb->protocol = htons(ETH_P_IP);
- ip_rcv(skb, dev, ptype); /* Note ptype here is the wrong one, fix me later */
+ netif_rx(skb);
break;
case AX25_P_ARP:
@@ -268,9 +262,8 @@ static int ax25_rcv(struct sk_buff *skb, struct net_device *dev,
skb->dev = dev;
skb->pkt_type = PACKET_HOST;
skb->protocol = htons(ETH_P_ARP);
- arp_rcv(skb, dev, ptype); /* Note ptype here is wrong... */
+ netif_rx(skb);
break;
-#endif
case AX25_P_TEXT:
/* Now find a suitable dgram socket */
sk = ax25_get_socket(&dest, &src, SOCK_DGRAM);
@@ -454,7 +447,7 @@ static int ax25_rcv(struct sk_buff *skb, struct net_device *dev,
* Receive an AX.25 frame via a SLIP interface.
*/
int ax25_kiss_rcv(struct sk_buff *skb, struct net_device *dev,
- struct packet_type *ptype)
+ struct packet_type *ptype, struct net_device *orig_dev)
{
skb->sk = NULL; /* Initially we don't know who it's for */
skb->destructor = NULL; /* Who initializes this, dammit?! */
diff --git a/net/ax25/ax25_route.c b/net/ax25/ax25_route.c
index 44b99b1ff9f..c288526da4c 100644
--- a/net/ax25/ax25_route.c
+++ b/net/ax25/ax25_route.c
@@ -422,8 +422,8 @@ static inline void ax25_adjust_path(ax25_address *addr, ax25_digi *digipeat)
*/
int ax25_rt_autobind(ax25_cb *ax25, ax25_address *addr)
{
+ ax25_uid_assoc *user;
ax25_route *ax25_rt;
- ax25_address *call;
int err;
if ((ax25_rt = ax25_get_route(addr, NULL)) == NULL)
@@ -434,16 +434,18 @@ int ax25_rt_autobind(ax25_cb *ax25, ax25_address *addr)
goto put;
}
- if ((call = ax25_findbyuid(current->euid)) == NULL) {
+ user = ax25_findbyuid(current->euid);
+ if (user) {
+ ax25->source_addr = user->call;
+ ax25_uid_put(user);
+ } else {
if (ax25_uid_policy && !capable(CAP_NET_BIND_SERVICE)) {
err = -EPERM;
goto put;
}
- call = (ax25_address *)ax25->ax25_dev->dev->dev_addr;
+ ax25->source_addr = *(ax25_address *)ax25->ax25_dev->dev->dev_addr;
}
- ax25->source_addr = *call;
-
if (ax25_rt->digipeat != NULL) {
if ((ax25->digipeat = kmalloc(sizeof(ax25_digi), GFP_ATOMIC)) == NULL) {
err = -ENOMEM;
diff --git a/net/ax25/ax25_std_in.c b/net/ax25/ax25_std_in.c
index 7131873322c..f6ed283e9de 100644
--- a/net/ax25/ax25_std_in.c
+++ b/net/ax25/ax25_std_in.c
@@ -29,8 +29,7 @@
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <net/sock.h>
-#include <net/ip.h> /* For ip_rcv */
-#include <net/tcp.h>
+#include <net/tcp_states.h>
#include <asm/uaccess.h>
#include <asm/system.h>
#include <linux/fcntl.h>
diff --git a/net/ax25/ax25_std_timer.c b/net/ax25/ax25_std_timer.c
index 066897bc074..a29c480a4dc 100644
--- a/net/ax25/ax25_std_timer.c
+++ b/net/ax25/ax25_std_timer.c
@@ -24,7 +24,7 @@
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <net/sock.h>
-#include <net/tcp.h>
+#include <net/tcp_states.h>
#include <asm/uaccess.h>
#include <asm/system.h>
#include <linux/fcntl.h>
diff --git a/net/ax25/ax25_subr.c b/net/ax25/ax25_subr.c
index 99694b57f6f..c41dbe5fade 100644
--- a/net/ax25/ax25_subr.c
+++ b/net/ax25/ax25_subr.c
@@ -24,7 +24,7 @@
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <net/sock.h>
-#include <net/tcp.h>
+#include <net/tcp_states.h>
#include <asm/uaccess.h>
#include <asm/system.h>
#include <linux/fcntl.h>
@@ -76,7 +76,7 @@ void ax25_requeue_frames(ax25_cb *ax25)
if (skb_prev == NULL)
skb_queue_head(&ax25->write_queue, skb);
else
- skb_append(skb_prev, skb);
+ skb_append(skb_prev, skb, &ax25->write_queue);
skb_prev = skb;
}
}
diff --git a/net/ax25/ax25_uid.c b/net/ax25/ax25_uid.c
index cea6b7d1972..a8b3822f3ee 100644
--- a/net/ax25/ax25_uid.c
+++ b/net/ax25/ax25_uid.c
@@ -28,6 +28,7 @@
#include <linux/fcntl.h>
#include <linux/mm.h>
#include <linux/interrupt.h>
+#include <linux/list.h>
#include <linux/notifier.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
@@ -41,38 +42,41 @@
* Callsign/UID mapper. This is in kernel space for security on multi-amateur machines.
*/
-static ax25_uid_assoc *ax25_uid_list;
+HLIST_HEAD(ax25_uid_list);
static DEFINE_RWLOCK(ax25_uid_lock);
int ax25_uid_policy = 0;
-ax25_address *ax25_findbyuid(uid_t uid)
+ax25_uid_assoc *ax25_findbyuid(uid_t uid)
{
- ax25_uid_assoc *ax25_uid;
- ax25_address *res = NULL;
+ ax25_uid_assoc *ax25_uid, *res = NULL;
+ struct hlist_node *node;
read_lock(&ax25_uid_lock);
- for (ax25_uid = ax25_uid_list; ax25_uid != NULL; ax25_uid = ax25_uid->next) {
+ ax25_uid_for_each(ax25_uid, node, &ax25_uid_list) {
if (ax25_uid->uid == uid) {
- res = &ax25_uid->call;
+ ax25_uid_hold(ax25_uid);
+ res = ax25_uid;
break;
}
}
read_unlock(&ax25_uid_lock);
- return NULL;
+ return res;
}
int ax25_uid_ioctl(int cmd, struct sockaddr_ax25 *sax)
{
- ax25_uid_assoc *s, *ax25_uid;
+ ax25_uid_assoc *ax25_uid;
+ struct hlist_node *node;
+ ax25_uid_assoc *user;
unsigned long res;
switch (cmd) {
case SIOCAX25GETUID:
res = -ENOENT;
read_lock(&ax25_uid_lock);
- for (ax25_uid = ax25_uid_list; ax25_uid != NULL; ax25_uid = ax25_uid->next) {
+ ax25_uid_for_each(ax25_uid, node, &ax25_uid_list) {
if (ax25cmp(&sax->sax25_call, &ax25_uid->call) == 0) {
res = ax25_uid->uid;
break;
@@ -85,19 +89,22 @@ int ax25_uid_ioctl(int cmd, struct sockaddr_ax25 *sax)
case SIOCAX25ADDUID:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
- if (ax25_findbyuid(sax->sax25_uid))
+ user = ax25_findbyuid(sax->sax25_uid);
+ if (user) {
+ ax25_uid_put(user);
return -EEXIST;
+ }
if (sax->sax25_uid == 0)
return -EINVAL;
if ((ax25_uid = kmalloc(sizeof(*ax25_uid), GFP_KERNEL)) == NULL)
return -ENOMEM;
+ atomic_set(&ax25_uid->refcount, 1);
ax25_uid->uid = sax->sax25_uid;
ax25_uid->call = sax->sax25_call;
write_lock(&ax25_uid_lock);
- ax25_uid->next = ax25_uid_list;
- ax25_uid_list = ax25_uid;
+ hlist_add_head(&ax25_uid->uid_node, &ax25_uid_list);
write_unlock(&ax25_uid_lock);
return 0;
@@ -106,34 +113,21 @@ int ax25_uid_ioctl(int cmd, struct sockaddr_ax25 *sax)
if (!capable(CAP_NET_ADMIN))
return -EPERM;
+ ax25_uid = NULL;
write_lock(&ax25_uid_lock);
- for (ax25_uid = ax25_uid_list; ax25_uid != NULL; ax25_uid = ax25_uid->next) {
- if (ax25cmp(&sax->sax25_call, &ax25_uid->call) == 0) {
+ ax25_uid_for_each(ax25_uid, node, &ax25_uid_list) {
+ if (ax25cmp(&sax->sax25_call, &ax25_uid->call) == 0)
break;
- }
}
if (ax25_uid == NULL) {
write_unlock(&ax25_uid_lock);
return -ENOENT;
}
- if ((s = ax25_uid_list) == ax25_uid) {
- ax25_uid_list = s->next;
- write_unlock(&ax25_uid_lock);
- kfree(ax25_uid);
- return 0;
- }
- while (s != NULL && s->next != NULL) {
- if (s->next == ax25_uid) {
- s->next = ax25_uid->next;
- write_unlock(&ax25_uid_lock);
- kfree(ax25_uid);
- return 0;
- }
- s = s->next;
- }
+ hlist_del_init(&ax25_uid->uid_node);
+ ax25_uid_put(ax25_uid);
write_unlock(&ax25_uid_lock);
- return -ENOENT;
+ return 0;
default:
return -EINVAL;
@@ -147,13 +141,11 @@ int ax25_uid_ioctl(int cmd, struct sockaddr_ax25 *sax)
static void *ax25_uid_seq_start(struct seq_file *seq, loff_t *pos)
{
struct ax25_uid_assoc *pt;
- int i = 1;
+ struct hlist_node *node;
+ int i = 0;
read_lock(&ax25_uid_lock);
- if (*pos == 0)
- return SEQ_START_TOKEN;
-
- for (pt = ax25_uid_list; pt != NULL; pt = pt->next) {
+ ax25_uid_for_each(pt, node, &ax25_uid_list) {
if (i == *pos)
return pt;
++i;
@@ -164,8 +156,9 @@ static void *ax25_uid_seq_start(struct seq_file *seq, loff_t *pos)
static void *ax25_uid_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
++*pos;
- return (v == SEQ_START_TOKEN) ? ax25_uid_list :
- ((struct ax25_uid_assoc *) v)->next;
+
+ return hlist_entry(((ax25_uid_assoc *)v)->uid_node.next,
+ ax25_uid_assoc, uid_node);
}
static void ax25_uid_seq_stop(struct seq_file *seq, void *v)
@@ -179,7 +172,6 @@ static int ax25_uid_seq_show(struct seq_file *seq, void *v)
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));
}
@@ -213,16 +205,13 @@ struct file_operations ax25_uid_fops = {
*/
void __exit ax25_uid_free(void)
{
- ax25_uid_assoc *s, *ax25_uid;
+ ax25_uid_assoc *ax25_uid;
+ struct hlist_node *node;
write_lock(&ax25_uid_lock);
- ax25_uid = ax25_uid_list;
- while (ax25_uid != NULL) {
- s = ax25_uid;
- ax25_uid = ax25_uid->next;
-
- kfree(s);
+ ax25_uid_for_each(ax25_uid, node, &ax25_uid_list) {
+ hlist_del_init(&ax25_uid->uid_node);
+ ax25_uid_put(ax25_uid);
}
- ax25_uid_list = NULL;
write_unlock(&ax25_uid_lock);
}
generated by cgit (git 2.34.1) at 2025-04-26 21:03:22 +0000