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Merge pull request #14805 from yuwata/network-ipv6-token-follow-up

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network: rename eui64 to static
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Zbigniew Jędrzejewski-Szmek 2020-02-07 17:05:33 +01:00 committed by GitHub
commit c3b41d8811
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6 changed files with 17 additions and 11 deletions
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2
man/systemd.network.xml
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@ -312,7 +312,7 @@
the mechanism is present, the two parts must be separated with a colon
<literal><replaceable>type</replaceable>:<replaceable>prefix</replaceable></literal>. The
address generation mechanism may be either <constant>prefixstable</constant> or
<constant>eui64</constant>. If not specified, <constant>eui64</constant> is assumed. When
<constant>static</constant>. If not specified, <constant>static</constant> is assumed. When
set to <literal>prefixstable</literal> a method for generating IPv6 Interface Identifiers to
be used with IPv6 Stateless Address Autocon figuration (SLAAC). See
<ulink url="https://tools.ietf.org/html/rfc7217">RFC 7217</ulink>. When IPv6 address is set,

18
src/network/networkd-ndisc.c
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@ -278,13 +278,13 @@ static int ndisc_router_generate_address(Link *link, unsigned prefixlen, uint32_
break;
}
}
} else if (j->address_generation_type == IPV6_TOKEN_ADDRESS_GENERATION_EUI64) {
} else if (j->address_generation_type == IPV6_TOKEN_ADDRESS_GENERATION_STATIC) {
memcpy(((uint8_t *)&address->in_addr.in6) + 8, ((uint8_t *) &j->prefix) + 8, 8);
prefix = true;
break;
}
/* eui64 or fallback if prefixstable do not match */
/* fallback to eui64 if prefixstable or static do not match */
if (!prefix) {
/* see RFC4291 section 2.5.1 */
address->in_addr.in6.s6_addr[8] = link->mac.ether_addr_octet[0];
@ -992,14 +992,20 @@ int config_parse_address_generation_type(
if (r < 0)
return log_oom();
if (streq(word, "eui64"))
token->address_generation_type = IPV6_TOKEN_ADDRESS_GENERATION_EUI64;
if (streq(word, "static"))
token->address_generation_type = IPV6_TOKEN_ADDRESS_GENERATION_STATIC;
else if (streq(word, "prefixstable"))
token->address_generation_type = IPV6_TOKEN_ADDRESS_GENERATION_PREFIXSTABLE;
else {
token->address_generation_type = IPV6_TOKEN_ADDRESS_GENERATION_EUI64;
token->address_generation_type = IPV6_TOKEN_ADDRESS_GENERATION_STATIC;
p = rvalue;
}
}
if (isempty(p)) {
log_syntax(unit, LOG_ERR, filename, line, 0,
"Invalid IPv6Token= , ignoring assignment: %s", rvalue);
return 0;
}
r = in_addr_from_string(AF_INET6, p, &buffer);
if (r < 0) {

2
src/network/networkd-ndisc.h
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@ -9,7 +9,7 @@ typedef struct IPv6Token IPv6Token;
typedef enum IPv6TokenAddressGeneration {
IPV6_TOKEN_ADDRESS_GENERATION_NONE,
IPV6_TOKEN_ADDRESS_GENERATION_EUI64,
IPV6_TOKEN_ADDRESS_GENERATION_STATIC,
IPV6_TOKEN_ADDRESS_GENERATION_PREFIXSTABLE,
_IPV6_TOKEN_ADDRESS_GENERATION_MAX,
_IPV6_TOKEN_ADDRESS_GENERATION_INVALID = -1,

BIN
test/fuzz/fuzz-network-parser/oss-fuzz-20548 Normal file
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0
test/test-network/conf/ipv6-prefix-veth-token-eui64.network → test/test-network/conf/ipv6-prefix-veth-token-static.network
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6
test/test-network/systemd-networkd-tests.py
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@ -2680,7 +2680,7 @@ class NetworkdRATests(unittest.TestCase, Utilities):
'25-veth.netdev',
'ipv6-prefix.network',
'ipv6-prefix-veth.network',
'ipv6-prefix-veth-token-eui64.network',
'ipv6-prefix-veth-token-static.network',
'ipv6-prefix-veth-token-prefixstable.network']
def setUp(self):
@ -2706,8 +2706,8 @@ class NetworkdRATests(unittest.TestCase, Utilities):
print(output)
self.assertRegex(output, '2002:da8:1:0')
def test_ipv6_token_eui64(self):
copy_unit_to_networkd_unit_path('25-veth.netdev', 'ipv6-prefix.network', 'ipv6-prefix-veth-token-eui64.network')
def test_ipv6_token_static(self):
copy_unit_to_networkd_unit_path('25-veth.netdev', 'ipv6-prefix.network', 'ipv6-prefix-veth-token-static.network')
start_networkd()
self.wait_online(['veth99:routable', 'veth-peer:degraded'])