Commit 830ba75e authored by Ondřej Zajíček's avatar Ondřej Zajíček

Merge commit '1e8721e2' into int-new

parents 46434a3c 1e8721e2
Pipeline #27779 failed with stages
in 5 minutes and 52 seconds
......@@ -1941,7 +1941,7 @@ protocol bfd [<name>] {
computation.
<tag>password "<M>text</M>"</tag>
Specifies a password used for authentication. See <ref id="dsc-pass"
Specifies a password used for authentication. See <ref id="proto-pass"
name="password"> common option for detailed description. Note that
password option <cf/algorithm/ is not available in BFD protocol. The
algorithm is selected by <cf/authentication/ option for all passwords.
......@@ -3560,7 +3560,8 @@ time intervals or as an answer to a request) advertisement packets to connected
networks. These packets contain basic information about a local network (e.g. a
list of network prefixes), which allows network hosts to autoconfigure network
addresses and choose a default route. BIRD implements router behavior as defined
in <rfc id="4861"> and also the DNS extensions from <rfc id="6106">.
in <rfc id="4861">, router preferences and specific routes (<rfc id="4191">),
and DNS extensions (<rfc id="6106">).
<sect1>Configuration
<label id="radv-config">
......@@ -3597,7 +3598,7 @@ definitions, prefix definitions and DNS definitions:
definitions may also be interface-specific when used inside interface
options. By default, interface uses both global and interface-specific
options, but that can be changed by <cf/rdnss local/ option.
dsc-iface
<tag><label id="radv-dnssl">dnssl { <m/options/ }</tag>
DNSSL definitions allow to specify a list of advertised DNS search
domains together with their options. Like <cf/rdnss/ above, multiple
......@@ -3622,6 +3623,18 @@ dsc-iface
default router. <cf/preferred lifetime/ and <cf/valid lifetime/ could
also be configured as <cf/sensitive/ for a prefix, which would cause
autoconfigured IPs to be deprecated or even removed.
<tag><label id="radv-propagate-routes">propagate routes <m/switch/</tag>
This option controls propagation of more specific routes, as defined in
<rfc id="4191">. If enabled, all routes exported to the RAdv protocol,
with the exception of the trigger prefix, are added to advertisments as
additional options. The lifetime and preference of advertised routes can
be set individually by <cf/ra_lifetime/ and <cf/ra_preference/ route
attributes, or per interface by <cf/route lifetime/ and
<cf/route preference/ options. Default: disabled.
Note that the RFC discourages from sending more than 17 routes and
recommends the routes to be configured manually.
</descrip>
<p>Interface specific options:
......@@ -3668,21 +3681,45 @@ dsc-iface
hosts. Valid values are 0-255, 0 means unspecified. Default: 64
<tag><label id="radv-iface-default-lifetime">default lifetime <m/expr/ [sensitive <m/switch/]</tag>
This option specifies the time (in seconds) how long (after the receipt
This option specifies the time (in seconds) how long (since the receipt
of RA) hosts may use the router as a default router. 0 means do not use
as a default router. For <cf/sensitive/ option, see <ref id="radv-trigger" name="trigger">.
Default: 3 * <cf/max ra interval/, <cf/sensitive/ yes.
<tag><label id="radv-iface-linger-time">linger time <m/expr/</tag>
When a prefix disappears, it is advertised for some time with 0
lifetime, to inform clients the prefix is no longer usable. This option
sets the time for how long it is advertised (in seconds). Maximum is
3600, 0 means disabled. Default: 300.
<tag><label id="radv-iface-default-preference-low">default preference low|medium|high</tag>
<tag><label id="radv-iface-default-preference">default preference low|medium|high</tag>
This option specifies the Default Router Preference value to advertise
to hosts. Default: medium.
<tag><label id="radv-iface-route-lifetime">route lifetime <m/expr/ [sensitive <m/switch/]</tag>
This option specifies the default value of advertised lifetime for
specific routes; i.e., the time (in seconds) for how long (since the
receipt of RA) hosts should consider these routes valid. A special value
0xffffffff represents infinity. The lifetime can be overriden on a per
route basis by the <ref id="rta-ra-lifetime" name="ra_lifetime"> route
attribute. Default: 3 * <cf/max ra interval/, <cf/sensitive/ no.
For the <cf/sensitive/ option, see <ref id="radv-trigger" name="trigger">.
If <cf/sensitive/ is enabled, even the routes with the <cf/ra_lifetime/
attribute become sensitive to the trigger.
<tag><label id="radv-iface-route-preference">route preference low|medium|high</tag>
This option specifies the default value of advertised route preference
for specific routes. The value can be overriden on a per route basis by
the <ref id="rta-ra-preference" name="ra_preference"> route attribute.
Default: medium.
<tag><label id="radv-prefix-linger-time">prefix linger time <m/expr/</tag>
When a prefix or a route disappears, it is advertised for some time with
zero lifetime, to inform clients it is no longer valid. This option
specifies the time (in seconds) for how long prefixes are advertised
that way. Default: 3 * <cf/max ra interval/.
<tag><label id="radv-route-linger-time">route linger time <m/expr/</tag>
When a prefix or a route disappears, it is advertised for some time with
zero lifetime, to inform clients it is no longer valid. This option
specifies the time (in seconds) for how long routes are advertised
that way. Default: 3 * <cf/max ra interval/.
<tag><label id="radv-iface-rdnss-local">rdnss local <m/switch/</tag>
Use only local (interface-specific) RDNSS definitions for this
interface. Otherwise, both global and local definitions are used. Could
......@@ -3729,7 +3766,6 @@ dsc-iface
<cf/sensitive/ no.
</descrip>
<p>RDNSS specific options:
<descrip>
......@@ -3762,12 +3798,48 @@ dsc-iface
RDNSS <cf/lifetime/ option above. Default: 3 * <cf/max ra interval/.
</descrip>
<sect1>Attributes
<label id="radv-attr">
<p>RAdv defines two route attributes:
<descrip>
<tag><label id="rta-ra-preference">enum ra_preference/</tag>
The preference of the route. The value can be <it/RA_PREF_LOW/,
<it/RA_PREF_MEDIUM/ or <it/RA_PREF_HIGH/. If the attribute is not set,
the <ref id="radv-iface-route-preference" name="route preference">
option is used.
<tag><label id="rta-ra-lifetime">int ra_lifetime/</tag>
The advertised lifetime of the route, in seconds. The special value of
0xffffffff represents infinity. If the attribute is not set, the
<ref id="radv-iface-route-lifetime" name="route lifetime">
option is used.
</descrip>
<sect1>Example
<label id="radv-exam">
<p><code>
table radv_routes; # Manually configured routes go here
protocol static {
table radv_routes;
route 2001:0DB8:4000::/48 unreachable;
route 2001:0DB8:4010::/48 unreachable;
route 2001:0DB8:4020::/48 unreachable {
ra_preference = RA_PREF_HIGH;
ra_lifetime = 3600;
};
}
protocol radv {
propagate routes yes; # Propagate the routes from the radv_routes table
table radv_routes;
export all;
interface "eth2" {
max ra interval 5; # Fast failover with more routers
managed yes; # Using DHCPv6 on eth2
......
......@@ -1089,7 +1089,8 @@ interpret(struct f_inst *what)
switch (what->aux & EAF_TYPE_MASK) {
case EAF_TYPE_INT:
if (v1.type != T_INT)
// Enums are also ints, so allow them in.
if (v1.type != T_INT && (v1.type < T_ENUM_LO || v1.type > T_ENUM_HI))
runtime( "Setting int attribute to non-int value" );
l->attrs[0].u.data = v1.val.i;
break;
......
......@@ -147,6 +147,7 @@ void val_format(struct f_val v, buffer *buf);
#define T_ENUM_RTD 0x34
#define T_ENUM_ROA 0x35
#define T_ENUM_NETTYPE 0x36
#define T_ENUM_RA_PREFERENCE 0x37
/* new enums go here */
#define T_ENUM_EMPTY 0x3f /* Special hack for atomic_aggr */
......
......@@ -756,12 +756,12 @@ echo_size:
}
;
CF_CLI(DISABLE, proto_patt, <protocol> | \"<pattern>\" | all, [[Disable protocol]])
{ proto_apply_cmd($2, proto_cmd_disable, 1, 0); } ;
CF_CLI(ENABLE, proto_patt, <protocol> | \"<pattern>\" | all, [[Enable protocol]])
{ proto_apply_cmd($2, proto_cmd_enable, 1, 0); } ;
CF_CLI(RESTART, proto_patt, <protocol> | \"<pattern>\" | all, [[Restart protocol]])
{ proto_apply_cmd($2, proto_cmd_restart, 1, 0); } ;
CF_CLI(DISABLE, proto_patt opttext, (<protocol> | \"<pattern>\" | all) [message], [[Disable protocol]])
{ proto_apply_cmd($2, proto_cmd_disable, 1, (uintptr_t) $3); } ;
CF_CLI(ENABLE, proto_patt opttext, (<protocol> | \"<pattern>\" | all) [message], [[Enable protocol]])
{ proto_apply_cmd($2, proto_cmd_enable, 1, (uintptr_t) $3); } ;
CF_CLI(RESTART, proto_patt opttext, (<protocol> | \"<pattern>\" | all) [message], [[Restart protocol]])
{ proto_apply_cmd($2, proto_cmd_restart, 1, (uintptr_t) $3); } ;
CF_CLI(RELOAD, proto_patt, <protocol> | \"<pattern>\" | all, [[Reload protocol]])
{ proto_apply_cmd($2, proto_cmd_reload, 1, CMD_RELOAD); } ;
CF_CLI(RELOAD IN, proto_patt, <protocol> | \"<pattern>\" | all, [[Reload protocol (just imported routes)]])
......
......@@ -980,6 +980,7 @@ proto_rethink_goal(struct proto *p)
proto_remove_channels(p);
rem_node(&p->n);
rfree(p->event);
mb_free(p->message);
mb_free(p);
if (!nc)
return;
......@@ -1334,6 +1335,39 @@ proto_schedule_down(struct proto *p, byte restart, byte code)
tm_start_max(proto_shutdown_timer, restart ? 250 MS : 0);
}
/**
* proto_set_message - set administrative message to protocol
* @p: protocol
* @msg: message
* @len: message length (-1 for NULL-terminated string)
*
* The function sets administrative message (string) related to protocol state
* change. It is called by the nest code for manual enable/disable/restart
* commands all routes to the protocol, and by protocol-specific code when the
* protocol state change is initiated by the protocol. Using NULL message clears
* the last message. The message string may be either NULL-terminated or with an
* explicit length.
*/
void
proto_set_message(struct proto *p, char *msg, int len)
{
mb_free(p->message);
p->message = NULL;
if (!msg || !len)
return;
if (len < 0)
len = strlen(msg);
if (!len)
return;
p->message = mb_alloc(proto_pool, len + 1);
memcpy(p->message, msg, len);
p->message[len] = 0;
}
static const char *
channel_limit_name(struct channel_limit *l)
......@@ -1622,7 +1656,7 @@ channel_show_info(struct channel *c)
}
void
proto_cmd_show(struct proto *p, uint verbose, int cnt)
proto_cmd_show(struct proto *p, uintptr_t verbose, int cnt)
{
byte buf[256], tbuf[TM_DATETIME_BUFFER_SIZE];
......@@ -1646,6 +1680,8 @@ proto_cmd_show(struct proto *p, uint verbose, int cnt)
{
if (p->cf->dsc)
cli_msg(-1006, " Description: %s", p->cf->dsc);
if (p->message)
cli_msg(-1006, " Message: %s", p->message);
if (p->cf->router_id)
cli_msg(-1006, " Router ID: %R", p->cf->router_id);
if (p->vrf)
......@@ -1665,7 +1701,7 @@ proto_cmd_show(struct proto *p, uint verbose, int cnt)
}
void
proto_cmd_disable(struct proto *p, uint arg UNUSED, int cnt UNUSED)
proto_cmd_disable(struct proto *p, uintptr_t arg, int cnt UNUSED)
{
if (p->disabled)
{
......@@ -1676,12 +1712,13 @@ proto_cmd_disable(struct proto *p, uint arg UNUSED, int cnt UNUSED)
log(L_INFO "Disabling protocol %s", p->name);
p->disabled = 1;
p->down_code = PDC_CMD_DISABLE;
proto_set_message(p, (char *) arg, -1);
proto_rethink_goal(p);
cli_msg(-9, "%s: disabled", p->name);
}
void
proto_cmd_enable(struct proto *p, uint arg UNUSED, int cnt UNUSED)
proto_cmd_enable(struct proto *p, uintptr_t arg, int cnt UNUSED)
{
if (!p->disabled)
{
......@@ -1691,12 +1728,13 @@ proto_cmd_enable(struct proto *p, uint arg UNUSED, int cnt UNUSED)
log(L_INFO "Enabling protocol %s", p->name);
p->disabled = 0;
proto_set_message(p, (char *) arg, -1);
proto_rethink_goal(p);
cli_msg(-11, "%s: enabled", p->name);
}
void
proto_cmd_restart(struct proto *p, uint arg UNUSED, int cnt UNUSED)
proto_cmd_restart(struct proto *p, uintptr_t arg, int cnt UNUSED)
{
if (p->disabled)
{
......@@ -1707,6 +1745,7 @@ proto_cmd_restart(struct proto *p, uint arg UNUSED, int cnt UNUSED)
log(L_INFO "Restarting protocol %s", p->name);
p->disabled = 1;
p->down_code = PDC_CMD_RESTART;
proto_set_message(p, (char *) arg, -1);
proto_rethink_goal(p);
p->disabled = 0;
proto_rethink_goal(p);
......@@ -1714,7 +1753,7 @@ proto_cmd_restart(struct proto *p, uint arg UNUSED, int cnt UNUSED)
}
void
proto_cmd_reload(struct proto *p, uint dir, int cnt UNUSED)
proto_cmd_reload(struct proto *p, uintptr_t dir, int cnt UNUSED)
{
struct channel *c;
......@@ -1753,19 +1792,19 @@ proto_cmd_reload(struct proto *p, uint dir, int cnt UNUSED)
}
void
proto_cmd_debug(struct proto *p, uint mask, int cnt UNUSED)
proto_cmd_debug(struct proto *p, uintptr_t mask, int cnt UNUSED)
{
p->debug = mask;
}
void
proto_cmd_mrtdump(struct proto *p, uint mask, int cnt UNUSED)
proto_cmd_mrtdump(struct proto *p, uintptr_t mask, int cnt UNUSED)
{
p->mrtdump = mask;
}
static void
proto_apply_cmd_symbol(struct symbol *s, void (* cmd)(struct proto *, uint, int), uint arg)
proto_apply_cmd_symbol(struct symbol *s, void (* cmd)(struct proto *, uintptr_t, int), uintptr_t arg)
{
if (s->class != SYM_PROTO)
{
......@@ -1778,7 +1817,7 @@ proto_apply_cmd_symbol(struct symbol *s, void (* cmd)(struct proto *, uint, int)
}
static void
proto_apply_cmd_patt(char *patt, void (* cmd)(struct proto *, uint, int), uint arg)
proto_apply_cmd_patt(char *patt, void (* cmd)(struct proto *, uintptr_t, int), uintptr_t arg)
{
struct proto *p;
int cnt = 0;
......@@ -1794,8 +1833,8 @@ proto_apply_cmd_patt(char *patt, void (* cmd)(struct proto *, uint, int), uint a
}
void
proto_apply_cmd(struct proto_spec ps, void (* cmd)(struct proto *, uint, int),
int restricted, uint arg)
proto_apply_cmd(struct proto_spec ps, void (* cmd)(struct proto *, uintptr_t, int),
int restricted, uintptr_t arg)
{
if (restricted && cli_access_restricted())
return;
......
......@@ -162,6 +162,7 @@ struct proto {
u32 hash_key; /* Random key used for hashing of neighbors */
btime last_state_change; /* Time of last state transition */
char *last_state_name_announced; /* Last state name we've announced to the user */
char *message; /* State-change message, allocated from proto_pool */
/*
* General protocol hooks:
......@@ -238,6 +239,7 @@ struct proto_spec {
void *proto_new(struct proto_config *);
void *proto_config_new(struct protocol *, int class);
void proto_copy_config(struct proto_config *dest, struct proto_config *src);
void proto_set_message(struct proto *p, char *msg, int len);
void graceful_restart_recovery(void);
void graceful_restart_init(void);
......@@ -250,15 +252,15 @@ void channel_graceful_restart_unlock(struct channel *c);
void channel_show_limit(struct channel_limit *l, const char *dsc);
void channel_show_info(struct channel *c);
void proto_cmd_show(struct proto *, uint, int);
void proto_cmd_disable(struct proto *, uint, int);
void proto_cmd_enable(struct proto *, uint, int);
void proto_cmd_restart(struct proto *, uint, int);
void proto_cmd_reload(struct proto *, uint, int);
void proto_cmd_debug(struct proto *, uint, int);
void proto_cmd_mrtdump(struct proto *, uint, int);
void proto_cmd_show(struct proto *, uintptr_t, int);
void proto_cmd_disable(struct proto *, uintptr_t, int);
void proto_cmd_enable(struct proto *, uintptr_t, int);
void proto_cmd_restart(struct proto *, uintptr_t, int);
void proto_cmd_reload(struct proto *, uintptr_t, int);
void proto_cmd_debug(struct proto *, uintptr_t, int);
void proto_cmd_mrtdump(struct proto *, uintptr_t, int);
void proto_apply_cmd(struct proto_spec ps, void (* cmd)(struct proto *, uint, int), int restricted, uint arg);
void proto_apply_cmd(struct proto_spec ps, void (* cmd)(struct proto *, uintptr_t, int), int restricted, uintptr_t arg);
struct proto *proto_get_named(struct symbol *, struct protocol *);
#define CMD_RELOAD 0
......
......@@ -470,7 +470,8 @@ typedef struct eattr {
#define EAP_OSPF 3 /* OSPF */
#define EAP_KRT 4 /* Kernel route attributes */
#define EAP_BABEL 5 /* Babel attributes */
#define EAP_MAX 6
#define EAP_RADV 6 /* Router advertisment attributes */
#define EAP_MAX 7
#define EA_CODE(proto,id) (((proto) << 8) | (id))
#define EA_PROTO(ea) ((ea) >> 8)
......
......@@ -42,7 +42,7 @@ struct babel_tlv_ack {
struct babel_tlv_hello {
u8 type;
u8 length;
u16 reserved;
u16 flags;
u16 seqno;
u16 interval;
} PACKED;
......@@ -106,8 +106,12 @@ struct babel_tlv_seqno_request {
} PACKED;
#define BABEL_FLAG_DEF_PREFIX 0x80
#define BABEL_FLAG_ROUTER_ID 0x40
/* Hello flags */
#define BABEL_HF_UNICAST 0x8000
/* Update flags */
#define BABEL_UF_DEF_PREFIX 0x80
#define BABEL_UF_ROUTER_ID 0x40
struct babel_parse_state {
......@@ -343,6 +347,11 @@ babel_read_hello(struct babel_tlv *hdr, union babel_msg *m,
struct babel_tlv_hello *tlv = (void *) hdr;
struct babel_msg_hello *msg = &m->hello;
/* We currently don't support unicast Hello */
u16 flags = get_u16(&tlv->flags);
if (flags & BABEL_HF_UNICAST)
return PARSE_IGNORE;
msg->type = BABEL_TLV_HELLO;
msg->seqno = get_u16(&tlv->seqno);
msg->interval = get_time16(&tlv->interval);
......@@ -606,7 +615,7 @@ babel_read_update(struct babel_tlv *hdr, union babel_msg *m,
ip4_addr prefix4 = get_ip4(buf);
net_fill_ip4(&msg->net, prefix4, tlv->plen);
if (tlv->flags & BABEL_FLAG_DEF_PREFIX)
if (tlv->flags & BABEL_UF_DEF_PREFIX)
{
put_ip4(state->def_ip4_prefix, prefix4);
state->def_ip4_prefix_seen = 1;
......@@ -631,13 +640,13 @@ babel_read_update(struct babel_tlv *hdr, union babel_msg *m,
ip6_addr prefix6 = get_ip6(buf);
net_fill_ip6(&msg->net, prefix6, tlv->plen);
if (tlv->flags & BABEL_FLAG_DEF_PREFIX)
if (tlv->flags & BABEL_UF_DEF_PREFIX)
{
put_ip6(state->def_ip6_prefix, prefix6);
state->def_ip6_prefix_seen = 1;
}
if (tlv->flags & BABEL_FLAG_ROUTER_ID)
if (tlv->flags & BABEL_UF_ROUTER_ID)
{
state->router_id = ((u64) _I2(prefix6)) << 32 | _I3(prefix6);
state->router_id_seen = 1;
......@@ -750,7 +759,7 @@ babel_write_update(struct babel_tlv *hdr, union babel_msg *m,
else
{
put_ip6_px(tlv->addr, &msg->net);
tlv->flags |= BABEL_FLAG_DEF_PREFIX;
tlv->flags |= BABEL_UF_DEF_PREFIX;
put_ip6(state->def_ip6_prefix, net6_prefix(&msg->net));
state->def_ip6_pxlen = tlv->plen;
......
......@@ -403,7 +403,7 @@ bgp_update_startup_delay(struct bgp_proto *p)
}
static void
bgp_graceful_close_conn(struct bgp_conn *conn, uint subcode)
bgp_graceful_close_conn(struct bgp_conn *conn, uint subcode, byte *data, uint len)
{
switch (conn->state)
{
......@@ -419,7 +419,7 @@ bgp_graceful_close_conn(struct bgp_conn *conn, uint subcode)
case BS_OPENSENT:
case BS_OPENCONFIRM:
case BS_ESTABLISHED:
bgp_error(conn, 6, subcode, NULL, 0);
bgp_error(conn, 6, subcode, data, len);
return;
default:
......@@ -459,11 +459,11 @@ bgp_decision(void *vp)
}
void
bgp_stop(struct bgp_proto *p, uint subcode)
bgp_stop(struct bgp_proto *p, uint subcode, byte *data, uint len)
{
proto_notify_state(&p->p, PS_STOP);
bgp_graceful_close_conn(&p->outgoing_conn, subcode);
bgp_graceful_close_conn(&p->incoming_conn, subcode);
bgp_graceful_close_conn(&p->outgoing_conn, subcode, data, len);
bgp_graceful_close_conn(&p->incoming_conn, subcode, data, len);
ev_schedule(p->event);
}
......@@ -606,7 +606,7 @@ bgp_conn_leave_established_state(struct bgp_proto *p)
// bgp_free_bucket_table(p);
if (p->p.proto_state == PS_UP)
bgp_stop(p, 0);
bgp_stop(p, 0, NULL, 0);
}
void
......@@ -725,7 +725,7 @@ bgp_graceful_restart_timeout(timer *t)
struct bgp_proto *p = t->data;
BGP_TRACE(D_EVENTS, "Neighbor graceful restart timeout");
bgp_stop(p, 0);
bgp_stop(p, 0, NULL, 0);
}
......@@ -1125,7 +1125,7 @@ bgp_neigh_notify(neighbor *n)
BGP_TRACE(D_EVENTS, "Neighbor lost");
bgp_store_error(p, NULL, BE_MISC, BEM_NEIGHBOR_LOST);
/* Perhaps also run bgp_update_startup_delay(p)? */
bgp_stop(p, 0);
bgp_stop(p, 0, NULL, 0);
}
}
else if (p->cf->check_link && !(n->iface->flags & IF_LINK_UP))
......@@ -1136,7 +1136,7 @@ bgp_neigh_notify(neighbor *n)
bgp_store_error(p, NULL, BE_MISC, BEM_LINK_DOWN);
if (ps == PS_UP)
bgp_update_startup_delay(p);
bgp_stop(p, 0);
bgp_stop(p, 0, NULL, 0);
}
}
else
......@@ -1161,7 +1161,7 @@ bgp_bfd_notify(struct bfd_request *req)
bgp_store_error(p, NULL, BE_MISC, BEM_BFD_DOWN);
if (ps == PS_UP)
bgp_update_startup_delay(p);
bgp_stop(p, 0);
bgp_stop(p, 0, NULL, 0);
}
}
......@@ -1349,6 +1349,10 @@ bgp_shutdown(struct proto *P)
struct bgp_proto *p = (struct bgp_proto *) P;
uint subcode = 0;
char *message = NULL;
byte *data = NULL;
uint len = 0;
BGP_TRACE(D_EVENTS, "Shutdown requested");
switch (P->down_code)
......@@ -1365,10 +1369,12 @@ bgp_shutdown(struct proto *P)
case PDC_CMD_DISABLE:
case PDC_CMD_SHUTDOWN:
subcode = 2; // Errcode 6, 2 - administrative shutdown
message = P->message;
break;
case PDC_CMD_RESTART:
subcode = 4; // Errcode 6, 4 - administrative reset
message = P->message;
break;
case PDC_RX_LIMIT_HIT:
......@@ -1393,8 +1399,22 @@ bgp_shutdown(struct proto *P)
bgp_store_error(p, NULL, BE_MAN_DOWN, 0);
p->startup_delay = 0;
/* RFC 8203 - shutdown communication */
if (message)
{
uint msg_len = strlen(message);
msg_len = MIN(msg_len, 128);
/* Buffer will be freed automatically by protocol shutdown */
data = mb_alloc(p->p.pool, msg_len + 1);
len = msg_len + 1;
data[0] = msg_len;
memcpy(data+1, message, msg_len);
}
done:
bgp_stop(p, subcode);
bgp_stop(p, subcode, data, len);
return p->p.proto_state;
}
......@@ -1785,7 +1805,7 @@ bgp_error(struct bgp_conn *c, uint code, uint subcode, byte *data, int len)
if (code != 6)
{
bgp_update_startup_delay(p);
bgp_stop(p, 0);
bgp_stop(p, 0, NULL, 0);
}
}
......
......@@ -437,7 +437,7 @@ void bgp_graceful_restart_done(struct bgp_channel *c);
void bgp_refresh_begin(struct bgp_channel *c);
void bgp_refresh_end(struct bgp_channel *c);
void bgp_store_error(struct bgp_proto *p, struct bgp_conn *c, u8 class, u32 code);
void bgp_stop(struct bgp_proto *p, unsigned subcode);
void bgp_stop(struct bgp_proto *p, uint subcode, byte *data, uint len);
struct rte_source *bgp_find_source(struct bgp_proto *p, u32 path_id);
struct rte_source *bgp_get_source(struct bgp_proto *p, u32 path_id);
......
......@@ -2678,38 +2678,72 @@ bgp_error_dsc(uint code, uint subcode)
return buff;
}
/* RFC 8203 - shutdown communication message */
static int
bgp_handle_message(struct bgp_proto *p, byte *data, uint len, byte **bp)
{
byte *msg = data + 1;
uint msg_len = data[0];
uint i;
/* Handle zero length message */
if (msg_len == 0)
return 1;
/* Handle proper message */
if ((msg_len > 128) && (msg_len + 1 > len))
return 0;
/* Some elementary cleanup */
for (i = 0; i < msg_len; i++)
if (msg[i] < ' ')
msg[i] = ' ';
proto_set_message(&p->p, msg, msg_len);
*bp += bsprintf(*bp, ": \"%s\"", p->p.message);
return 1;
}
void
bgp_log_error(struct bgp_proto *p, u8 class, char *msg, uint code, uint subcode, byte *data, uint len)
{
const byte *name;
byte *t, argbuf[36];
byte argbuf[256], *t = argbuf;
uint i;
/* Don't report Cease messages generated by myself */
if (code == 6 && class == BE_BGP_TX)
return;
name = bgp_error_dsc(code, subcode);
t = argbuf;
/* Reset shutdown message */
if ((code == 6) && ((subcode == 2) || (subcode == 4)))
proto_set_message(&p->p, NULL, 0);
if (len)
{
*t++ = ':';
*t++ = ' ';
/* Bad peer AS - we would like to print the AS */
if ((code == 2) && (subcode == 2) && ((len == 2) || (len == 4)))
{
/* Bad peer AS - we would like to print the AS */
t += bsprintf(t, "%u", (len == 2) ? get_u16(data) : get_u32(data));
t += bsprintf(t, ": %u", (len == 2) ? get_u16(data) : get_u32(data));
goto done;
}
/* RFC 8203 - shutdown communication */
if (((code == 6) && ((subcode == 2) || (subcode == 4))))
if (bgp_handle_message(p, data, len, &t))
goto done;
*t++ = ':';
*t++ = ' ';
if (len > 16)
len = 16;
for (i=0; i<len; i++)
t += bsprintf(t, "%02x", data[i]);
}
done:
done:
*t = 0;
log(L_REMOTE "%s: %s: %s%s", p->p.name, msg, name, argbuf);
const byte *dsc = bgp_error_dsc(code, subcode);
log(L_REMOTE "%s: %s: %s%s", p->p.name, msg, dsc, argbuf);
}
static void
......@@ -2733,7 +2767,7 @@ bgp_rx_notification(struct bgp_conn *conn, byte *pkt, uint len)
if (err)
{
bgp_update_startup_delay(p);
bgp_stop(p, 0);
bgp_stop(p, 0, NULL, 0);
}
}
......
......@@ -30,7 +30,10 @@ CF_KEYWORDS(RADV, PREFIX, INTERFACE, MIN, MAX, RA, DELAY, INTERVAL,
MANAGED, OTHER, CONFIG, LINGER, LINK, MTU, REACHABLE, TIME, RETRANS,
TIMER, CURRENT, HOP, LIMIT, DEFAULT, VALID, PREFERRED, MULT,
LIFETIME, SKIP, ONLINK, AUTONOMOUS, RDNSS, DNSSL, NS, DOMAIN,
LOCAL, TRIGGER, SENSITIVE, PREFERENCE, LOW, MEDIUM, HIGH)
LOCAL, TRIGGER, SENSITIVE, PREFERENCE, LOW, MEDIUM, HIGH, PROPAGATE,
ROUTE, ROUTES, RA_PREFERENCE, RA_LIFETIME)
CF_ENUM(T_ENUM_RA_PREFERENCE, RA_PREF_, LOW, MEDIUM, HIGH)
%type<i> radv_mult radv_sensitive radv_preference
......@@ -56,6 +59,7 @@ radv_proto_item:
| RDNSS { init_list(&radv_dns_list); } radv_rdnss { add_tail_list(&RADV_CFG->rdnss_list, &radv_dns_list); }
| DNSSL { init_list(&radv_dns_list); } radv_dnssl { add_tail_list(&RADV_CFG->dnssl_list, &radv_dns_list); }
| TRIGGER net_ip6 { RADV_CFG->trigger = $2; }
| PROPAGATE ROUTES bool { RADV_CFG->propagate_routes = $3; }
;
radv_proto_opts:
......@@ -76,14 +80,18 @@ radv_iface_start:
init_list(&RADV_IFACE->rdnss_list);
init_list(&RADV_IFACE->dnssl_list);
RADV_IFACE->min_ra_int = -1; /* undefined */
RADV_IFACE->min_ra_int = (u32) -1; /* undefined */
RADV_IFACE->max_ra_int = DEFAULT_MAX_RA_INT;
RADV_IFACE->min_delay = DEFAULT_MIN_DELAY;
RADV_IFACE->prefix_linger_time = (u32) -1;
RADV_IFACE->route_linger_time = (u32) -1;
RADV_IFACE->current_hop_limit = DEFAULT_CURRENT_HOP_LIMIT;
RADV_IFACE->linger_time = DEFAULT_LINGER_TIME;
RADV_IFACE->default_lifetime = -1;
RADV_IFACE->default_lifetime = (u32) -1;
RADV_IFACE->default_lifetime_sensitive = 1;
RADV_IFACE->default_preference = RA_PREF_MEDIUM;
RADV_IFACE->route_lifetime = (u32) -1;
RADV_IFACE->route_lifetime_sensitive = 0;
RADV_IFACE->route_preference = RA_PREF_MEDIUM;
};
radv_iface_item:
......@@ -95,14 +103,20 @@ radv_iface_item:
| LINK MTU expr { RADV_IFACE->link_mtu = $3; }