diff options
-rw-r--r-- | man/systemd.network.xml | 8 | ||||
-rw-r--r-- | src/libsystemd/sd-netlink/netlink-message.c | 6 | ||||
-rw-r--r-- | src/libsystemd/sd-netlink/rtnl-message.c | 28 | ||||
-rw-r--r-- | src/network/networkd-network-gperf.gperf | 1 | ||||
-rw-r--r-- | src/network/networkd-route.c | 64 | ||||
-rw-r--r-- | src/network/networkd-route.h | 3 | ||||
-rw-r--r-- | src/systemd/sd-netlink.h | 2 |
7 files changed, 107 insertions, 5 deletions
diff --git a/man/systemd.network.xml b/man/systemd.network.xml index 2a20748376..1ed7b67086 100644 --- a/man/systemd.network.xml +++ b/man/systemd.network.xml @@ -706,6 +706,14 @@ <citerefentry project='man-pages'><refentrytitle>inet_pton</refentrytitle><manvolnum>3</manvolnum></citerefentry>.</para> </listitem> </varlistentry> + <varlistentry> + <term><varname>Table=<replaceable>num</replaceable></varname></term> + <listitem> + <para>The table identifier for the route (a number between 1 and 4294967295, or 0 to unset). + The table can be retrieved using <command>ip route show table <replaceable>num</replaceable></command>. + </para> + </listitem> + </varlistentry> </variablelist> </refsect1> diff --git a/src/libsystemd/sd-netlink/netlink-message.c b/src/libsystemd/sd-netlink/netlink-message.c index f56798674c..86d8dee867 100644 --- a/src/libsystemd/sd-netlink/netlink-message.c +++ b/src/libsystemd/sd-netlink/netlink-message.c @@ -207,11 +207,11 @@ static int add_rtattr(sd_netlink_message *m, unsigned short type, const void *da * and gives us too little data (so don't do that) */ padding = mempcpy(RTA_DATA(rta), data, data_length); - else { + + else /* if no data was passed, make sure we still initialize the padding note that we can have data_length > 0 (used by some containers) */ padding = RTA_DATA(rta); - } /* make sure also the padding at the end of the message is initialized */ padding_length = (uint8_t*)m->hdr + message_length - (uint8_t*)padding; @@ -343,7 +343,7 @@ int sd_netlink_message_append_data(sd_netlink_message *m, unsigned short type, c assert_return(m, -EINVAL); assert_return(!m->sealed, -EPERM); - r = add_rtattr(m, type, &data, len); + r = add_rtattr(m, type, data, len); if (r < 0) return r; diff --git a/src/libsystemd/sd-netlink/rtnl-message.c b/src/libsystemd/sd-netlink/rtnl-message.c index f251536a89..09240c7b2a 100644 --- a/src/libsystemd/sd-netlink/rtnl-message.c +++ b/src/libsystemd/sd-netlink/rtnl-message.c @@ -111,6 +111,20 @@ int sd_rtnl_message_route_get_flags(sd_netlink_message *m, unsigned *flags) { return 0; } +int sd_rtnl_message_route_set_table(sd_netlink_message *m, unsigned char table) { + struct rtmsg *rtm; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_route(m->hdr->nlmsg_type), -EINVAL); + + rtm = NLMSG_DATA(m->hdr); + + rtm->rtm_table = table; + + return 0; +} + int sd_rtnl_message_route_get_family(sd_netlink_message *m, int *family) { struct rtmsg *rtm; @@ -126,6 +140,20 @@ int sd_rtnl_message_route_get_family(sd_netlink_message *m, int *family) { return 0; } +int sd_rtnl_message_route_set_family(sd_netlink_message *m, int family) { + struct rtmsg *rtm; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_route(m->hdr->nlmsg_type), -EINVAL); + + rtm = NLMSG_DATA(m->hdr); + + rtm->rtm_family = family; + + return 0; +} + int sd_rtnl_message_route_get_protocol(sd_netlink_message *m, unsigned char *protocol) { struct rtmsg *rtm; diff --git a/src/network/networkd-network-gperf.gperf b/src/network/networkd-network-gperf.gperf index 654d6a0316..471e300fde 100644 --- a/src/network/networkd-network-gperf.gperf +++ b/src/network/networkd-network-gperf.gperf @@ -71,6 +71,7 @@ Route.Source, config_parse_destination, Route.Metric, config_parse_route_priority, 0, 0 Route.Scope, config_parse_route_scope, 0, 0 Route.PreferredSource, config_parse_preferred_src, 0, 0 +Route.Table, config_parse_route_table, 0, 0 DHCP.ClientIdentifier, config_parse_dhcp_client_identifier, 0, offsetof(Network, dhcp_client_identifier) DHCP.UseDNS, config_parse_bool, 0, offsetof(Network, dhcp_use_dns) DHCP.UseNTP, config_parse_bool, 0, offsetof(Network, dhcp_use_ntp) diff --git a/src/network/networkd-route.c b/src/network/networkd-route.c index bda2707e6d..01094b20bd 100644 --- a/src/network/networkd-route.c +++ b/src/network/networkd-route.c @@ -451,6 +451,10 @@ int route_configure(Route *route, Link *link, r = sd_netlink_message_append_in6_addr(req, RTA_GATEWAY, &route->gw.in6); if (r < 0) return log_error_errno(r, "Could not append RTA_GATEWAY attribute: %m"); + + r = sd_rtnl_message_route_set_family(req, route->family); + if (r < 0) + return log_error_errno(r, "Could not set route family: %m"); } if (route->dst_prefixlen) { @@ -494,7 +498,26 @@ int route_configure(Route *route, Link *link, r = sd_rtnl_message_route_set_flags(req, route->flags); if (r < 0) - return log_error_errno(r, "Colud not set flags: %m"); + return log_error_errno(r, "Could not set flags: %m"); + + if (route->table != RT_TABLE_DEFAULT) { + + if (route->table < 256) { + r = sd_rtnl_message_route_set_table(req, route->table); + if (r < 0) + return log_error_errno(r, "Could not set route table: %m"); + } else { + + r = sd_rtnl_message_route_set_table(req, RT_TABLE_UNSPEC); + if (r < 0) + return log_error_errno(r, "Could not set route table: %m"); + + /* Table attribute to allow allow more than 256. */ + r = sd_netlink_message_append_data(req, RTA_TABLE, &route->table, sizeof(route->table)); + if (r < 0) + return log_error_errno(r, "Could not append RTA_TABLE attribute: %m"); + } + } r = sd_netlink_message_append_u32(req, RTA_PRIORITY, route->priority); if (r < 0) @@ -777,3 +800,42 @@ int config_parse_route_scope(const char *unit, return 0; } + +int config_parse_route_table(const char *unit, + const char *filename, + unsigned line, + const char *section, + unsigned section_line, + const char *lvalue, + int ltype, + const char *rvalue, + void *data, + void *userdata) { + _cleanup_route_free_ Route *n = NULL; + Network *network = userdata; + uint32_t k; + int r; + + assert(filename); + assert(section); + assert(lvalue); + assert(rvalue); + assert(data); + + r = route_new_static(network, section_line, &n); + if (r < 0) + return r; + + r = safe_atou32(rvalue, &k); + if (r < 0) { + log_syntax(unit, LOG_ERR, filename, line, r, + "Could not parse route table number \"%s\", ignoring assignment: %m", rvalue); + return 0; + } + + n->table = k; + + n = NULL; + + return 0; +} diff --git a/src/network/networkd-route.h b/src/network/networkd-route.h index a4a4bf2653..3ddeea96b7 100644 --- a/src/network/networkd-route.h +++ b/src/network/networkd-route.h @@ -37,7 +37,7 @@ struct Route { unsigned char protocol; /* RTPROT_* */ unsigned char tos; uint32_t priority; /* note that ip(8) calls this 'metric' */ - unsigned char table; + uint32_t table; unsigned char pref; unsigned flags; @@ -74,3 +74,4 @@ int config_parse_preferred_src(const char *unit, const char *filename, unsigned int config_parse_destination(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); int config_parse_route_priority(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); int config_parse_route_scope(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); +int config_parse_route_table(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); diff --git a/src/systemd/sd-netlink.h b/src/systemd/sd-netlink.h index af7a797567..3ae110c080 100644 --- a/src/systemd/sd-netlink.h +++ b/src/systemd/sd-netlink.h @@ -137,8 +137,10 @@ int sd_rtnl_message_route_set_dst_prefixlen(sd_netlink_message *m, unsigned char int sd_rtnl_message_route_set_src_prefixlen(sd_netlink_message *m, unsigned char prefixlen); int sd_rtnl_message_route_set_scope(sd_netlink_message *m, unsigned char scope); int sd_rtnl_message_route_set_flags(sd_netlink_message *m, unsigned flags); +int sd_rtnl_message_route_set_table(sd_netlink_message *m, unsigned char table); int sd_rtnl_message_route_get_flags(sd_netlink_message *m, unsigned *flags); int sd_rtnl_message_route_get_family(sd_netlink_message *m, int *family); +int sd_rtnl_message_route_set_family(sd_netlink_message *m, int family); int sd_rtnl_message_route_get_protocol(sd_netlink_message *m, unsigned char *protocol); int sd_rtnl_message_route_get_scope(sd_netlink_message *m, unsigned char *scope); int sd_rtnl_message_route_get_tos(sd_netlink_message *m, unsigned char *tos); 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