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-rw-r--r--src/libsystemd-network/lldp-tlv.c38
-rw-r--r--src/network/networkd-link.c35
-rw-r--r--src/network/networkd-network-gperf.gperf1
-rw-r--r--src/network/networkd-network.c1
-rw-r--r--src/network/networkd-network.h1
-rw-r--r--src/shared/conf-parser.c28
6 files changed, 67 insertions, 37 deletions
diff --git a/src/libsystemd-network/lldp-tlv.c b/src/libsystemd-network/lldp-tlv.c
index a539b5dfea..7890160497 100644
--- a/src/libsystemd-network/lldp-tlv.c
+++ b/src/libsystemd-network/lldp-tlv.c
@@ -387,12 +387,11 @@ static int lldp_tlv_packet_read_u16_tlv(tlv_packet *tlv, uint16_t type, uint16_t
r = lldp_tlv_packet_enter_container(tlv, type);
if (r < 0)
- goto out;
+ return r;
r = tlv_packet_read_u16(tlv, value);
r2 = lldp_tlv_packet_exit_container(tlv);
- out:
return r < 0 ? r : r2;
}
@@ -429,18 +428,18 @@ int sd_lldp_packet_read_chassis_id(tlv_packet *tlv,
r = lldp_tlv_packet_enter_container(tlv, LLDP_TYPE_CHASSIS_ID);
if (r < 0)
- goto out2;
+ return r;
r = tlv_packet_read_u8(tlv, &subtype);
if (r < 0)
- goto out1;
+ goto out;
switch (subtype) {
case LLDP_CHASSIS_SUBTYPE_MAC_ADDRESS:
r = tlv_packet_read_bytes(tlv, data, length);
if (r < 0)
- goto out1;
+ goto out;
break;
default:
@@ -450,10 +449,9 @@ int sd_lldp_packet_read_chassis_id(tlv_packet *tlv,
*type = subtype;
- out1:
+ out:
r2 = lldp_tlv_packet_exit_container(tlv);
- out2:
return r < 0 ? r : r2;
}
@@ -469,11 +467,11 @@ int sd_lldp_packet_read_port_id(tlv_packet *tlv,
r = lldp_tlv_packet_enter_container(tlv, LLDP_TYPE_PORT_ID);
if (r < 0)
- goto out2;
+ return r;
r = tlv_packet_read_u8(tlv, &subtype);
if (r < 0)
- goto out1;
+ goto out;
switch (subtype) {
case LLDP_PORT_SUBTYPE_PORT_COMPONENT:
@@ -483,7 +481,7 @@ int sd_lldp_packet_read_port_id(tlv_packet *tlv,
r = tlv_packet_read_string(tlv, &s, length);
if (r < 0)
- goto out1;
+ goto out;
*data = (uint8_t *) s;
@@ -492,7 +490,7 @@ int sd_lldp_packet_read_port_id(tlv_packet *tlv,
r = tlv_packet_read_bytes(tlv, data, length);
if (r < 0)
- goto out1;
+ goto out;
break;
default:
@@ -502,10 +500,9 @@ int sd_lldp_packet_read_port_id(tlv_packet *tlv,
*type = subtype;
- out1:
+ out:
r2 = lldp_tlv_packet_exit_container(tlv);
- out2:
return r < 0 ? r : r2;
}
@@ -542,12 +539,11 @@ int sd_lldp_packet_read_port_vlan_id(tlv_packet *tlv, uint16_t *id) {
r = lldp_tlv_packet_enter_container_oui(tlv, LLDP_OUI_802_1, LLDP_OUI_SUBTYPE_802_1_PORT_VLAN_ID);
if (r < 0)
- goto out;
+ return r;
r = tlv_packet_read_u16(tlv, id);
r2 = lldp_tlv_packet_exit_container(tlv);
- out:
return r < 0 ? r : r2;
}
@@ -558,7 +554,7 @@ int sd_lldp_packet_read_port_protocol_vlan_id(sd_lldp_packet *tlv, uint8_t *flag
r = lldp_tlv_packet_enter_container_oui(tlv, LLDP_OUI_802_1, LLDP_OUI_SUBTYPE_802_1_PORT_PROTOCOL_VLAN_ID);
if (r < 0)
- goto out;
+ return r;
r = tlv_packet_read_u8(tlv, flags);
if (r >= 0)
@@ -566,7 +562,6 @@ int sd_lldp_packet_read_port_protocol_vlan_id(sd_lldp_packet *tlv, uint8_t *flag
r2 = lldp_tlv_packet_exit_container(tlv);
- out:
return r < 0 ? r : r2;
}
@@ -578,7 +573,7 @@ int sd_lldp_packet_read_vlan_name(tlv_packet *tlv, uint16_t *vlan_id, char **nam
r = lldp_tlv_packet_enter_container_oui(tlv, LLDP_OUI_802_1, LLDP_OUI_SUBTYPE_802_1_VLAN_NAME);
if (r < 0)
- goto out;
+ return r;
r = tlv_packet_read_u16(tlv, vlan_id);
if (r >= 0)
@@ -591,7 +586,6 @@ int sd_lldp_packet_read_vlan_name(tlv_packet *tlv, uint16_t *vlan_id, char **nam
r2 = lldp_tlv_packet_exit_container(tlv);
- out:
return r < 0 ? r : r2;
}
@@ -602,12 +596,11 @@ int sd_lldp_packet_read_management_vid(tlv_packet *tlv, uint16_t *id) {
r = lldp_tlv_packet_enter_container_oui(tlv, LLDP_OUI_802_1, LLDP_OUI_SUBTYPE_802_1_MANAGEMENT_VID);
if (r < 0)
- goto out;
+ return r;
r = tlv_packet_read_u16(tlv, id);
r2 = lldp_tlv_packet_exit_container(tlv);
- out:
return r < 0 ? r : r2;
}
@@ -618,7 +611,7 @@ int sd_lldp_packet_read_link_aggregation(sd_lldp_packet *tlv, uint8_t *status, u
r = lldp_tlv_packet_enter_container_oui(tlv, LLDP_OUI_802_1, LLDP_OUI_SUBTYPE_802_1_LINK_AGGREGATION);
if (r < 0)
- goto out;
+ return r;
r = tlv_packet_read_u8(tlv, status);
if (r >= 0)
@@ -626,7 +619,6 @@ int sd_lldp_packet_read_link_aggregation(sd_lldp_packet *tlv, uint8_t *status, u
r2 = lldp_tlv_packet_exit_container(tlv);
- out:
return r < 0 ? r : r2;
}
diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 46979ffa12..13d2fc6d0d 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -1952,6 +1952,37 @@ static int link_set_ipv6_dad_transmits(Link *link) {
return 0;
}
+static int link_set_ipv6_hop_limit(Link *link) {
+ char buf[DECIMAL_STR_MAX(unsigned) + 1];
+ const char *p = NULL;
+ int r;
+
+ /* Make this a NOP if IPv6 is not available */
+ if (!socket_ipv6_is_supported())
+ return 0;
+
+ if (link->flags & IFF_LOOPBACK)
+ return 0;
+
+ if (link->network->ipv6_hop_limit < 0)
+ return 0;
+
+ p = strjoina("/proc/sys/net/ipv6/conf/", link->ifname, "/hop_limit");
+
+ xsprintf(buf, "%u", link->network->ipv6_hop_limit);
+
+ r = write_string_file(p, buf, 0);
+ if (r < 0) {
+ /* If the right value is set anyway, don't complain */
+ if (verify_one_line_file(p, buf) > 0)
+ return 0;
+
+ log_link_warning_errno(link, r, "Cannot set IPv6 hop limit for interface: %m");
+ }
+
+ return 0;
+}
+
static int link_configure(Link *link) {
int r;
@@ -1983,6 +2014,10 @@ static int link_configure(Link *link) {
if (r < 0)
return r;
+ r = link_set_ipv6_hop_limit(link);
+ if (r < 0)
+ return r;
+
if (link_ipv4ll_enabled(link)) {
r = ipv4ll_configure(link);
if (r < 0)
diff --git a/src/network/networkd-network-gperf.gperf b/src/network/networkd-network-gperf.gperf
index cc01dc24c9..de2c66d153 100644
--- a/src/network/networkd-network-gperf.gperf
+++ b/src/network/networkd-network-gperf.gperf
@@ -52,6 +52,7 @@ Network.IPMasquerade, config_parse_bool,
Network.IPv6PrivacyExtensions, config_parse_ipv6_privacy_extensions, 0, offsetof(Network, ipv6_privacy_extensions)
Network.IPv6AcceptRouterAdvertisements, config_parse_tristate, 0, offsetof(Network, ipv6_accept_ra)
Network.IPv6DuplicateAddressDetection, config_parse_int, 0, offsetof(Network, ipv6_dad_transmits)
+Network.IPv6HopLimit, config_parse_int, 0, offsetof(Network, ipv6_hop_limit)
Network.BindCarrier, config_parse_strv, 0, offsetof(Network, bind_carrier)
Address.Address, config_parse_address, 0, 0
Address.Peer, config_parse_address, 0, 0
diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c
index 0188cb6fe5..29723a852f 100644
--- a/src/network/networkd-network.c
+++ b/src/network/networkd-network.c
@@ -127,6 +127,7 @@ static int network_load_one(Manager *manager, const char *filename) {
network->ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO;
network->ipv6_accept_ra = -1;
network->ipv6_dad_transmits = -1;
+ network->ipv6_hop_limit = -1;
r = config_parse(NULL, filename, file,
"Match\0"
diff --git a/src/network/networkd-network.h b/src/network/networkd-network.h
index c2872908b5..a27c67eea5 100644
--- a/src/network/networkd-network.h
+++ b/src/network/networkd-network.h
@@ -122,6 +122,7 @@ struct Network {
int ipv6_accept_ra;
int ipv6_dad_transmits;
+ int ipv6_hop_limit;
union in_addr_union ipv6_token;
IPv6PrivacyExtensions ipv6_privacy_extensions;
diff --git a/src/shared/conf-parser.c b/src/shared/conf-parser.c
index 3f8eaf7d9a..486122b0fd 100644
--- a/src/shared/conf-parser.c
+++ b/src/shared/conf-parser.c
@@ -702,9 +702,6 @@ int config_parse_strv(const char *unit,
void *userdata) {
char ***sv = data;
- const char *word, *state;
- size_t l;
- int r;
assert(filename);
assert(lvalue);
@@ -727,25 +724,28 @@ int config_parse_strv(const char *unit,
return 0;
}
- FOREACH_WORD_QUOTED(word, l, rvalue, state) {
- char *n;
-
- n = strndup(word, l);
- if (!n)
+ for (;;) {
+ char *word = NULL;
+ int r;
+ r = extract_first_word(&rvalue, &word, WHITESPACE, EXTRACT_QUOTES);
+ if (r == 0)
+ break;
+ if (r == -ENOMEM)
return log_oom();
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Invalid syntax, ignoring: %s", rvalue);
+ break;
+ }
- if (!utf8_is_valid(n)) {
+ if (!utf8_is_valid(word)) {
log_syntax_invalid_utf8(unit, LOG_ERR, filename, line, rvalue);
- free(n);
+ free(word);
continue;
}
-
- r = strv_consume(sv, n);
+ r = strv_consume(sv, word);
if (r < 0)
return log_oom();
}
- if (!isempty(state))
- log_syntax(unit, LOG_ERR, filename, line, 0, "Trailing garbage, ignoring.");
return 0;
}