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-rw-r--r--net/tipc/addr.c50
-rw-r--r--net/tipc/addr.h11
-rw-r--r--net/tipc/bearer.c27
-rw-r--r--net/tipc/discover.c15
-rw-r--r--net/tipc/link.c6
-rw-r--r--net/tipc/net.c4
-rw-r--r--net/tipc/node.c8
-rw-r--r--net/tipc/node.h5
8 files changed, 21 insertions, 105 deletions
diff --git a/net/tipc/addr.c b/net/tipc/addr.c
index 97cd857d7f43..dfc31a730ca5 100644
--- a/net/tipc/addr.c
+++ b/net/tipc/addr.c
@@ -39,21 +39,6 @@
#include "core.h"
/**
- * in_own_cluster - test for cluster inclusion; <0.0.0> always matches
- */
-int in_own_cluster(struct net *net, u32 addr)
-{
- return in_own_cluster_exact(net, addr) || !addr;
-}
-
-int in_own_cluster_exact(struct net *net, u32 addr)
-{
- struct tipc_net *tn = net_generic(net, tipc_net_id);
-
- return !((addr ^ tn->own_addr) >> 12);
-}
-
-/**
* in_own_node - test for node inclusion; <0.0.0> always matches
*/
int in_own_node(struct net *net, u32 addr)
@@ -63,46 +48,13 @@ int in_own_node(struct net *net, u32 addr)
return (addr == tn->own_addr) || !addr;
}
-/**
- * tipc_addr_domain_valid - validates a network domain address
- *
- * Accepts <Z.C.N>, <Z.C.0>, <Z.0.0>, and <0.0.0>,
- * where Z, C, and N are non-zero.
- *
- * Returns 1 if domain address is valid, otherwise 0
- */
-int tipc_addr_domain_valid(u32 addr)
-{
- u32 n = tipc_node(addr);
- u32 c = tipc_cluster(addr);
- u32 z = tipc_zone(addr);
-
- if (n && (!z || !c))
- return 0;
- if (c && !z)
- return 0;
- return 1;
-}
-
-/**
- * tipc_addr_node_valid - validates a proposed network address for this node
- *
- * Accepts <Z.C.N>, where Z, C, and N are non-zero.
- *
- * Returns 1 if address can be used, otherwise 0
- */
-int tipc_addr_node_valid(u32 addr)
-{
- return tipc_addr_domain_valid(addr) && tipc_node(addr);
-}
-
int tipc_in_scope(u32 domain, u32 addr)
{
if (!domain || (domain == addr))
return 1;
if (domain == tipc_cluster_mask(addr)) /* domain <Z.C.0> */
return 1;
- if (domain == tipc_zone_mask(addr)) /* domain <Z.0.0> */
+ if (domain == (addr & TIPC_ZONE_MASK)) /* domain <Z.0.0> */
return 1;
return 0;
}
diff --git a/net/tipc/addr.h b/net/tipc/addr.h
index 2ecf5a5d40dd..5ffde51b0e68 100644
--- a/net/tipc/addr.h
+++ b/net/tipc/addr.h
@@ -50,11 +50,6 @@ static inline u32 tipc_own_addr(struct net *net)
return tn->own_addr;
}
-static inline u32 tipc_zone_mask(u32 addr)
-{
- return addr & TIPC_ZONE_MASK;
-}
-
static inline u32 tipc_cluster_mask(u32 addr)
{
return addr & TIPC_ZONE_CLUSTER_MASK;
@@ -71,14 +66,8 @@ static inline int tipc_scope2node(struct net *net, int sc)
}
u32 tipc_own_addr(struct net *net);
-int in_own_cluster(struct net *net, u32 addr);
-int in_own_cluster_exact(struct net *net, u32 addr);
int in_own_node(struct net *net, u32 addr);
-u32 addr_domain(struct net *net, u32 sc);
-int tipc_addr_domain_valid(u32);
-int tipc_addr_node_valid(u32 addr);
int tipc_in_scope(u32 domain, u32 addr);
-int tipc_addr_scope(u32 domain);
char *tipc_addr_string_fill(char *string, u32 addr);
#endif
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index 76340b9e4851..a71f31879cb3 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -240,7 +240,6 @@ static int tipc_enable_bearer(struct net *net, const char *name,
struct tipc_bearer *b;
struct tipc_media *m;
struct sk_buff *skb;
- char addr_string[16];
int bearer_id = 0;
int res = -EINVAL;
char *errstr = "";
@@ -256,21 +255,6 @@ static int tipc_enable_bearer(struct net *net, const char *name,
goto rejected;
}
- if (tipc_addr_domain_valid(disc_domain) && disc_domain != self) {
- if (tipc_in_scope(disc_domain, self)) {
- /* Accept any node in own cluster */
- disc_domain = self & TIPC_ZONE_CLUSTER_MASK;
- res = 0;
- } else if (in_own_cluster_exact(net, disc_domain)) {
- /* Accept specified node in own cluster */
- res = 0;
- }
- }
- if (res) {
- errstr = "illegal discovery domain";
- goto rejected;
- }
-
if (prio > TIPC_MAX_LINK_PRI && prio != TIPC_MEDIA_LINK_PRI) {
errstr = "illegal priority";
goto rejected;
@@ -354,12 +338,11 @@ static int tipc_enable_bearer(struct net *net, const char *name,
return -ENOMEM;
}
- tipc_addr_string_fill(addr_string, disc_domain);
- pr_info("Enabled bearer <%s>, discovery scope %s, priority %u\n",
- name, addr_string, prio);
+ pr_info("Enabled bearer <%s>, priority %u\n", name, prio);
+
return res;
rejected:
- pr_warn("Bearer <%s> rejected, %s\n", name, errstr);
+ pr_warn("Enabling of bearer <%s> rejected, %s\n", name, errstr);
return res;
}
@@ -865,12 +848,10 @@ int __tipc_nl_bearer_enable(struct sk_buff *skb, struct genl_info *info)
char *bearer;
struct nlattr *attrs[TIPC_NLA_BEARER_MAX + 1];
struct net *net = sock_net(skb->sk);
- struct tipc_net *tn = net_generic(net, tipc_net_id);
- u32 domain;
+ u32 domain = 0;
u32 prio;
prio = TIPC_MEDIA_LINK_PRI;
- domain = tn->own_addr & TIPC_ZONE_CLUSTER_MASK;
if (!info->attrs[TIPC_NLA_BEARER])
return -EINVAL;
diff --git a/net/tipc/discover.c b/net/tipc/discover.c
index 09f75558d353..669af125b3de 100644
--- a/net/tipc/discover.c
+++ b/net/tipc/discover.c
@@ -161,18 +161,17 @@ void tipc_disc_rcv(struct net *net, struct sk_buff *skb,
return;
if (net_id != tn->net_id)
return;
- if (!tipc_addr_domain_valid(dst))
- return;
- if (!tipc_addr_node_valid(src))
- return;
if (in_own_node(net, src)) {
disc_dupl_alert(b, self, &maddr);
return;
}
- if (!tipc_in_scope(dst, self))
- return;
- if (!tipc_in_scope(b->domain, src))
- return;
+ /* Domain filter only works if both peers use legacy address format */
+ if (b->domain) {
+ if (!tipc_in_scope(dst, self))
+ return;
+ if (!tipc_in_scope(b->domain, src))
+ return;
+ }
tipc_node_check_dest(net, src, b, caps, signature,
&maddr, &respond, &dupl_addr);
if (dupl_addr)
diff --git a/net/tipc/link.c b/net/tipc/link.c
index 3c230466804d..86fde005ea47 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -434,7 +434,7 @@ char *tipc_link_name(struct tipc_link *l)
*/
bool tipc_link_create(struct net *net, char *if_name, int bearer_id,
int tolerance, char net_plane, u32 mtu, int priority,
- int window, u32 session, u32 ownnode, u32 peer,
+ int window, u32 session, u32 self, u32 peer,
u16 peer_caps,
struct tipc_link *bc_sndlink,
struct tipc_link *bc_rcvlink,
@@ -451,9 +451,7 @@ bool tipc_link_create(struct net *net, char *if_name, int bearer_id,
l->session = session;
/* Note: peer i/f name is completed by reset/activate message */
- sprintf(l->name, "%u.%u.%u:%s-%u.%u.%u:unknown",
- tipc_zone(ownnode), tipc_cluster(ownnode), tipc_node(ownnode),
- if_name, tipc_zone(peer), tipc_cluster(peer), tipc_node(peer));
+ sprintf(l->name, "%x:%s-%x:unknown", self, if_name, peer);
strcpy(l->if_name, if_name);
l->addr = peer;
l->peer_caps = peer_caps;
diff --git a/net/tipc/net.c b/net/tipc/net.c
index 5c4c4405b78e..a074f285e6ea 100644
--- a/net/tipc/net.c
+++ b/net/tipc/net.c
@@ -121,7 +121,7 @@ int tipc_net_start(struct net *net, u32 addr)
TIPC_CLUSTER_SCOPE, 0, tn->own_addr);
pr_info("Started in network mode\n");
- pr_info("Own node address %s, network identity %u\n",
+ pr_info("Own node address %s, cluster identity %u\n",
tipc_addr_string_fill(addr_string, tn->own_addr),
tn->net_id);
return 0;
@@ -238,7 +238,7 @@ int __tipc_nl_net_set(struct sk_buff *skb, struct genl_info *info)
return -EPERM;
addr = nla_get_u32(attrs[TIPC_NLA_NET_ADDR]);
- if (!tipc_addr_node_valid(addr))
+ if (!addr)
return -EINVAL;
tipc_net_start(net, addr);
diff --git a/net/tipc/node.c b/net/tipc/node.c
index 389193d7cf67..8a4b04933ecc 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -233,9 +233,6 @@ static struct tipc_node *tipc_node_find(struct net *net, u32 addr)
struct tipc_node *node;
unsigned int thash = tipc_hashfn(addr);
- if (unlikely(!in_own_cluster_exact(net, addr)))
- return NULL;
-
rcu_read_lock();
hlist_for_each_entry_rcu(node, &tn->node_htable[thash], hash) {
if (node->addr != addr)
@@ -836,10 +833,9 @@ void tipc_node_check_dest(struct net *net, u32 onode,
/* Now create new link if not already existing */
if (!l) {
- if (n->link_cnt == 2) {
- pr_warn("Cannot establish 3rd link to %x\n", n->addr);
+ if (n->link_cnt == 2)
goto exit;
- }
+
if_name = strchr(b->name, ':') + 1;
if (!tipc_link_create(net, if_name, b->identity, b->tolerance,
b->net_plane, b->mtu, b->priority,
diff --git a/net/tipc/node.h b/net/tipc/node.h
index 4ce5e3a185c0..5fb38cf0bb5c 100644
--- a/net/tipc/node.h
+++ b/net/tipc/node.h
@@ -49,13 +49,14 @@ enum {
TIPC_BCAST_STATE_NACK = (1 << 2),
TIPC_BLOCK_FLOWCTL = (1 << 3),
TIPC_BCAST_RCAST = (1 << 4),
- TIPC_MCAST_GROUPS = (1 << 5)
+ TIPC_NODE_ID32 = (1 << 5)
};
#define TIPC_NODE_CAPABILITIES (TIPC_BCAST_SYNCH | \
TIPC_BCAST_STATE_NACK | \
TIPC_BCAST_RCAST | \
- TIPC_BLOCK_FLOWCTL)
+ TIPC_BLOCK_FLOWCTL | \
+ TIPC_NODE_ID32)
#define INVALID_BEARER_ID -1
void tipc_node_stop(struct net *net);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.