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-rw-r--r--lib/ip.h10
-rw-r--r--lib/net.c7
-rw-r--r--lib/net.h10
-rw-r--r--lib/printf.c23
-rw-r--r--nest/iface.c4
-rw-r--r--nest/rt-table.c7
-rw-r--r--proto/ospf/ospf.c2
-rw-r--r--proto/static/static.c2
8 files changed, 38 insertions, 27 deletions
diff --git a/lib/ip.h b/lib/ip.h
index 1834db4f..7a31dad0 100644
--- a/lib/ip.h
+++ b/lib/ip.h
@@ -33,6 +33,10 @@
#define IP4_MAX_PREFIX_LENGTH 32
#define IP6_MAX_PREFIX_LENGTH 128
+#define IP4_MAX_TEXT_LENGTH 15 /* "255.255.255.255" */
+#define IP6_MAX_TEXT_LENGTH 39 /* "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff" */
+#define IPA_MAX_TEXT_LENGTH 39
+
#define IP4_MIN_MTU 576
#define IP6_MIN_MTU 1280
@@ -42,12 +46,6 @@
#define IP6_HEADER_LENGTH 40
#define UDP_HEADER_LENGTH 8
-#ifdef IPV6
-#define STD_ADDRESS_P_LENGTH 39
-#else
-#define STD_ADDRESS_P_LENGTH 15
-#endif
-
#ifdef DEBUGGING
diff --git a/lib/net.c b/lib/net.c
index 56eb16fd..b851871a 100644
--- a/lib/net.c
+++ b/lib/net.c
@@ -18,6 +18,13 @@ const u8 net_max_prefix_length[] = {
[NET_VPN6] = IP4_MAX_PREFIX_LENGTH
};
+const u16 net_max_text_length[] = {
+ [NET_IP4] = 18, /* "255.255.255.255/32" */
+ [NET_IP6] = 43, /* "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128" */
+ [NET_VPN4] = 40, /* "4294967296:4294967296 255.255.255.255/32" */
+ [NET_VPN6] = 65, /* "4294967296:4294967296 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128" */
+};
+
int
net_format(const net_addr *N, char *buf, int buflen)
diff --git a/lib/net.h b/lib/net.h
index c9ca349f..ee9b382e 100644
--- a/lib/net.h
+++ b/lib/net.h
@@ -68,7 +68,11 @@ typedef union net_addr_union {
extern const u16 net_addr_length[];
-extern const u8 net_max_prefix_length[];
+extern const u8 net_max_prefix_length[];
+extern const u16 net_max_text_length[];
+
+#define NET_MAX_TEXT_LENGTH 65
+
#define NET_ADDR_IP4(prefix,pxlen) \
((net_addr_ip4) { NET_IP4, pxlen, sizeof(net_addr_ip4), prefix })
@@ -103,6 +107,7 @@ static inline void net_fill_ipa(net_addr *a, ip_addr prefix, uint pxlen)
net_fill_ip6(a, ipa_to_ip6(prefix), pxlen);
}
+
static inline ip4_addr net4_prefix(const net_addr *a)
{ return ((net_addr_ip4 *) a)->prefix; }
@@ -243,6 +248,3 @@ int net_in_netX(const net_addr *A, const net_addr *N);
#endif
-
-
-
diff --git a/lib/printf.c b/lib/printf.c
index 1a8c2a90..9db5363b 100644
--- a/lib/printf.c
+++ b/lib/printf.c
@@ -139,7 +139,7 @@ int bvsnprintf(char *buf, int size, const char *fmt, va_list args)
u32 x;
char *str, *start;
const char *s;
- char ipbuf[STD_ADDRESS_P_LENGTH+1];
+ char ipbuf[NET_MAX_TEXT_LENGTH+1];
struct iface *iface;
int flags; /* flags to number() */
@@ -156,7 +156,7 @@ int bvsnprintf(char *buf, int size, const char *fmt, va_list args)
*str++ = *fmt;
continue;
}
-
+
/* process flags */
flags = 0;
repeat:
@@ -236,12 +236,14 @@ int bvsnprintf(char *buf, int size, const char *fmt, va_list args)
case 'M':
s = strerror(va_arg(args, int));
goto str;
- case 'N':
+ case 'N': {
+ net_addr *n = va_arg(args, net_addr *);
if (field_width == 1)
- field_width = STD_ADDRESS_P_LENGTH; /* XXXX */
- net_format(va_arg(args, net_addr *), ipbuf, sizeof(ipbuf));
+ field_width = net_max_text_length[n->type];
+ net_format(n, ipbuf, sizeof(ipbuf));
s = ipbuf;
goto str;
+ }
case 's':
s = va_arg(args, char *);
if (!s)
@@ -287,17 +289,18 @@ int bvsnprintf(char *buf, int size, const char *fmt, va_list args)
continue;
/* IP address */
- case 'I':
+ case 'I': {
+ ip_addr a = va_arg(args, ip_addr);
if (flags & SPECIAL)
- ipa_ntox(va_arg(args, ip_addr), ipbuf);
+ ipa_ntox(a, ipbuf);
else {
- ipa_ntop(va_arg(args, ip_addr), ipbuf);
+ ipa_ntop(a, ipbuf);
if (field_width == 1)
- field_width = STD_ADDRESS_P_LENGTH;
+ field_width = (ipa_is_ip4(a) ? IP4_MAX_TEXT_LENGTH : IP6_MAX_TEXT_LENGTH);
}
s = ipbuf;
goto str;
-
+ }
/* Interface scope after link-local IP address */
case 'J':
iface = va_arg(args, struct iface *);
diff --git a/nest/iface.c b/nest/iface.c
index 5d3c0e60..3eaa5ebd 100644
--- a/nest/iface.c
+++ b/nest/iface.c
@@ -742,7 +742,7 @@ iface_patts_equal(list *a, list *b, int (*comp)(struct iface_patt *, struct ifac
static void
if_show_addr(struct ifa *a)
{
- byte opp[STD_ADDRESS_P_LENGTH + 16];
+ byte opp[IPA_MAX_TEXT_LENGTH + 16];
if (ipa_nonzero(a->opposite))
bsprintf(opp, ", opposite %I", a->opposite);
@@ -793,7 +793,7 @@ void
if_show_summary(void)
{
struct iface *i;
- byte addr[STD_ADDRESS_P_LENGTH + 16];
+ byte addr[IPA_MAX_TEXT_LENGTH + 16];
cli_msg(-2005, "interface state address");
WALK_LIST(i, iface_list)
diff --git a/nest/rt-table.c b/nest/rt-table.c
index 6ac659a8..7eedec41 100644
--- a/nest/rt-table.c
+++ b/nest/rt-table.c
@@ -220,7 +220,7 @@ rte_mergable(rte *pri, rte *sec)
static void
rte_trace(struct proto *p, rte *e, int dir, char *msg)
{
- byte via[STD_ADDRESS_P_LENGTH+32];
+ byte via[IPA_MAX_TEXT_LENGTH+32];
rt_format_via(e, via);
log(L_TRACE "%s %c %s %N %s", p->name, dir, msg, e->net->n.addr, via);
@@ -2383,7 +2383,8 @@ rt_format_via(rte *e, byte *via)
static void
rt_show_rte(struct cli *c, byte *ia, rte *e, struct rt_show_data *d, ea_list *tmpa)
{
- byte via[STD_ADDRESS_P_LENGTH+32], from[STD_ADDRESS_P_LENGTH+8];
+ byte via[IPA_MAX_TEXT_LENGTH+32];
+ byte from[IPA_MAX_TEXT_LENGTH+8];
byte tm[TM_DATETIME_BUFFER_SIZE], info[256];
rta *a = e->attrs;
int primary = (e->net->routes == e);
@@ -2424,7 +2425,7 @@ static void
rt_show_net(struct cli *c, net *n, struct rt_show_data *d)
{
rte *e, *ee;
- byte ia[STD_ADDRESS_P_LENGTH+8];
+ byte ia[NET_MAX_TEXT_LENGTH+1];
struct ea_list *tmpa;
struct announce_hook *a = NULL;
int first = 1;
diff --git a/proto/ospf/ospf.c b/proto/ospf/ospf.c
index cdc62d0a..983f76f1 100644
--- a/proto/ospf/ospf.c
+++ b/proto/ospf/ospf.c
@@ -1094,7 +1094,7 @@ static inline void
show_lsa_external(struct top_hash_entry *he, int ospf2)
{
struct ospf_lsa_ext_local rt;
- char str_via[STD_ADDRESS_P_LENGTH + 8] = "";
+ char str_via[IPA_MAX_TEXT_LENGTH + 8] = "";
char str_tag[16] = "";
if (he->lsa_type == LSA_T_EXT)
diff --git a/proto/static/static.c b/proto/static/static.c
index bc5f104f..809c29fb 100644
--- a/proto/static/static.c
+++ b/proto/static/static.c
@@ -643,7 +643,7 @@ struct protocol proto_static = {
static void
static_show_rt(struct static_route *r)
{
- byte via[STD_ADDRESS_P_LENGTH + 16];
+ byte via[IPA_MAX_TEXT_LENGTH + 25];
switch (r->dest)
{