@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly (bas) RestrictNetworkInterfaces = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("const")
- readonly a(iss) ControlGroupNFTSet = [...];
- @org.freedesktop.DBus.Property.EmitsChangedSignal("const")
readonly as Environment = ['...', ...];
@org.freedesktop.DBus.Property.EmitsChangedSignal("const")
readonly a(sb) EnvironmentFiles = [...];
@org.freedesktop.DBus.Property.EmitsChangedSignal("const")
readonly b DynamicUser = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("const")
- readonly a(iss) DynamicUserNFTSet = [...];
- @org.freedesktop.DBus.Property.EmitsChangedSignal("const")
readonly b RemoveIPC = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("const")
readonly a(say) SetCredential = [...];
<!--property RestrictNetworkInterfaces is not documented!-->
- <!--property ControlGroupNFTSet is not documented!-->
-
<!--property EnvironmentFiles is not documented!-->
<!--property PassEnvironment is not documented!-->
<!--property DynamicUser is not documented!-->
- <!--property DynamicUserNFTSet is not documented!-->
-
<!--property RemoveIPC is not documented!-->
<!--property SetCredential is not documented!-->
<variablelist class="dbus-property" generated="True" extra-ref="RestrictNetworkInterfaces"/>
- <variablelist class="dbus-property" generated="True" extra-ref="ControlGroupNFTSet"/>
-
<variablelist class="dbus-property" generated="True" extra-ref="Environment"/>
<variablelist class="dbus-property" generated="True" extra-ref="EnvironmentFiles"/>
<variablelist class="dbus-property" generated="True" extra-ref="DynamicUser"/>
- <variablelist class="dbus-property" generated="True" extra-ref="DynamicUserNFTSet"/>
-
<variablelist class="dbus-property" generated="True" extra-ref="RemoveIPC"/>
<variablelist class="dbus-property" generated="True" extra-ref="SetCredential"/>
@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly (bas) RestrictNetworkInterfaces = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("const")
- readonly a(iss) ControlGroupNFTSet = [...];
- @org.freedesktop.DBus.Property.EmitsChangedSignal("const")
readonly as Environment = ['...', ...];
@org.freedesktop.DBus.Property.EmitsChangedSignal("const")
readonly a(sb) EnvironmentFiles = [...];
@org.freedesktop.DBus.Property.EmitsChangedSignal("const")
readonly b DynamicUser = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("const")
- readonly a(iss) DynamicUserNFTSet = [...];
- @org.freedesktop.DBus.Property.EmitsChangedSignal("const")
readonly b RemoveIPC = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("const")
readonly a(say) SetCredential = [...];
<!--property RestrictNetworkInterfaces is not documented!-->
- <!--property ControlGroupNFTSet is not documented!-->
-
<!--property EnvironmentFiles is not documented!-->
<!--property PassEnvironment is not documented!-->
<!--property DynamicUser is not documented!-->
- <!--property DynamicUserNFTSet is not documented!-->
-
<!--property RemoveIPC is not documented!-->
<!--property SetCredential is not documented!-->
<variablelist class="dbus-property" generated="True" extra-ref="RestrictNetworkInterfaces"/>
- <variablelist class="dbus-property" generated="True" extra-ref="ControlGroupNFTSet"/>
-
<variablelist class="dbus-property" generated="True" extra-ref="Environment"/>
<variablelist class="dbus-property" generated="True" extra-ref="EnvironmentFiles"/>
<variablelist class="dbus-property" generated="True" extra-ref="DynamicUser"/>
- <variablelist class="dbus-property" generated="True" extra-ref="DynamicUserNFTSet"/>
-
<variablelist class="dbus-property" generated="True" extra-ref="RemoveIPC"/>
<variablelist class="dbus-property" generated="True" extra-ref="SetCredential"/>
@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly (bas) RestrictNetworkInterfaces = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("const")
- readonly a(iss) ControlGroupNFTSet = [...];
- @org.freedesktop.DBus.Property.EmitsChangedSignal("const")
readonly as Environment = ['...', ...];
@org.freedesktop.DBus.Property.EmitsChangedSignal("const")
readonly a(sb) EnvironmentFiles = [...];
@org.freedesktop.DBus.Property.EmitsChangedSignal("const")
readonly b DynamicUser = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("const")
- readonly a(iss) DynamicUserNFTSet = [...];
- @org.freedesktop.DBus.Property.EmitsChangedSignal("const")
readonly b RemoveIPC = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("const")
readonly a(say) SetCredential = [...];
<!--property RestrictNetworkInterfaces is not documented!-->
- <!--property ControlGroupNFTSet is not documented!-->
-
<!--property EnvironmentFiles is not documented!-->
<!--property PassEnvironment is not documented!-->
<!--property DynamicUser is not documented!-->
- <!--property DynamicUserNFTSet is not documented!-->
-
<!--property RemoveIPC is not documented!-->
<!--property SetCredential is not documented!-->
<variablelist class="dbus-property" generated="True" extra-ref="RestrictNetworkInterfaces"/>
- <variablelist class="dbus-property" generated="True" extra-ref="ControlGroupNFTSet"/>
-
<variablelist class="dbus-property" generated="True" extra-ref="Environment"/>
<variablelist class="dbus-property" generated="True" extra-ref="EnvironmentFiles"/>
<variablelist class="dbus-property" generated="True" extra-ref="DynamicUser"/>
- <variablelist class="dbus-property" generated="True" extra-ref="DynamicUserNFTSet"/>
-
<variablelist class="dbus-property" generated="True" extra-ref="RemoveIPC"/>
<variablelist class="dbus-property" generated="True" extra-ref="SetCredential"/>
@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly (bas) RestrictNetworkInterfaces = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("const")
- readonly a(iss) ControlGroupNFTSet = [...];
- @org.freedesktop.DBus.Property.EmitsChangedSignal("const")
readonly as Environment = ['...', ...];
@org.freedesktop.DBus.Property.EmitsChangedSignal("const")
readonly a(sb) EnvironmentFiles = [...];
@org.freedesktop.DBus.Property.EmitsChangedSignal("const")
readonly b DynamicUser = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("const")
- readonly a(iss) DynamicUserNFTSet = [...];
- @org.freedesktop.DBus.Property.EmitsChangedSignal("const")
readonly b RemoveIPC = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("const")
readonly a(say) SetCredential = [...];
<!--property RestrictNetworkInterfaces is not documented!-->
- <!--property ControlGroupNFTSet is not documented!-->
-
<!--property EnvironmentFiles is not documented!-->
<!--property PassEnvironment is not documented!-->
<!--property DynamicUser is not documented!-->
- <!--property DynamicUserNFTSet is not documented!-->
-
<!--property RemoveIPC is not documented!-->
<!--property SetCredential is not documented!-->
<variablelist class="dbus-property" generated="True" extra-ref="RestrictNetworkInterfaces"/>
- <variablelist class="dbus-property" generated="True" extra-ref="ControlGroupNFTSet"/>
-
<variablelist class="dbus-property" generated="True" extra-ref="Environment"/>
<variablelist class="dbus-property" generated="True" extra-ref="EnvironmentFiles"/>
<variablelist class="dbus-property" generated="True" extra-ref="DynamicUser"/>
- <variablelist class="dbus-property" generated="True" extra-ref="DynamicUserNFTSet"/>
-
<variablelist class="dbus-property" generated="True" extra-ref="RemoveIPC"/>
<variablelist class="dbus-property" generated="True" extra-ref="SetCredential"/>
readonly a(iiqq) SocketBindDeny = [...];
@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly (bas) RestrictNetworkInterfaces = ...;
- @org.freedesktop.DBus.Property.EmitsChangedSignal("const")
- readonly a(iss) ControlGroupNFTSet = [...];
};
interface org.freedesktop.DBus.Peer { ... };
interface org.freedesktop.DBus.Introspectable { ... };
<!--property RestrictNetworkInterfaces is not documented!-->
- <!--property ControlGroupNFTSet is not documented!-->
-
<!--Autogenerated cross-references for systemd.directives, do not edit-->
<variablelist class="dbus-interface" generated="True" extra-ref="org.freedesktop.systemd1.Unit"/>
<variablelist class="dbus-property" generated="True" extra-ref="RestrictNetworkInterfaces"/>
- <variablelist class="dbus-property" generated="True" extra-ref="ControlGroupNFTSet"/>
-
<!--End of Autogenerated section-->
<refsect2>
@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
readonly (bas) RestrictNetworkInterfaces = ...;
@org.freedesktop.DBus.Property.EmitsChangedSignal("const")
- readonly a(iss) ControlGroupNFTSet = [...];
- @org.freedesktop.DBus.Property.EmitsChangedSignal("const")
readonly s KillMode = '...';
@org.freedesktop.DBus.Property.EmitsChangedSignal("const")
readonly i KillSignal = ...;
<!--property RestrictNetworkInterfaces is not documented!-->
- <!--property ControlGroupNFTSet is not documented!-->
-
<!--property KillMode is not documented!-->
<!--property KillSignal is not documented!-->
<variablelist class="dbus-property" generated="True" extra-ref="RestrictNetworkInterfaces"/>
- <variablelist class="dbus-property" generated="True" extra-ref="ControlGroupNFTSet"/>
-
<variablelist class="dbus-property" generated="True" extra-ref="KillMode"/>
<variablelist class="dbus-property" generated="True" extra-ref="KillSignal"/>
</variablelist>
</refsect1>
- <refsect1>
- <title>Firewall Integration</title>
- <variablelist class='unit-directives'>
-
- <varlistentry>
- <term><varname>DynamicUserNFTSet=</varname><replaceable>family</replaceable>:<replaceable>table</replaceable>:<replaceable>set</replaceable></term>
- <listitem><para>This setting provides a method for integrating <varname>DynamicUser=</varname>
- configuration into firewall rules with NFT sets. This option expects a whitespace separated list of
- NFT set definitions. Each definition consists of a colon-separated tuple of NFT address family (one
- of <literal>arp</literal>, <literal>bridge</literal>, <literal>inet</literal>, <literal>ip</literal>,
- <literal>ip6</literal>, or <literal>netdev</literal>), table name and set name. The names of tables
- and sets must conform to lexical restrictions of NFT table names. When the unit starts, the user ID
- will be appended to the NFT sets and it will be removed when the unit is stopped. Failures to manage
- the sets will be ignored.</para>
-
- <para>Example:
- <programlisting>[Service]
-DynamicUserNFTSet=inet:filter:u</programlisting>
- Corresponding NFT rules:
- <programlisting>table inet filter {
- set u {
- typeof meta skuid
- }
- chain service_output {
- meta skuid != @u drop
- accept
- }
-}</programlisting>
- </para>
- </listitem>
- </varlistentry>
- </variablelist>
- </refsect1>
-
<refsect1>
<title>System V Compatibility</title>
<variablelist class='unit-directives'>
and the reverse operation when the IPv4 address is deconfigured.</para>
</listitem>
</varlistentry>
-
- <varlistentry>
- <term><varname>IPv4NFTSet=</varname><replaceable>family</replaceable>:<replaceable>table</replaceable>:<replaceable>set</replaceable></term>
- <term><varname>IPv6NFTSet=</varname><replaceable>family</replaceable>:<replaceable>table</replaceable>:<replaceable>set</replaceable></term>
- <listitem>
- <para>These settings provide a method for integrating dynamic network configuration into firewall
- rules with NFT sets. These options expect a whitespace separated list of NFT set definitions. Each
- definition consists of a colon-separated tuple of NFT address family (one of
- <literal>arp</literal>, <literal>bridge</literal>, <literal>inet</literal>, <literal>ip</literal>,
- <literal>ip6</literal>, or <literal>netdev</literal>), table name and set name. The names of tables
- and sets must conform to lexical restrictions of NFT table names. When an interface is configured
- with IP addresses, the addresses and subnetwork masks will be appended to the NFT sets. They will
- be removed when the interface is deconfigured. Failures to manage the sets will be ignored.</para>
-
- <para>Example:
- <programlisting>[Address]
-IPv4NFTSet=netdev:filter:eth_ipv4_address
-IPv6NFTSet=netdev:filter:eth_ipv6_address</programlisting>
- Corresponding NFT rules:
- <programlisting>table netdev filter {
- set eth_ipv4_address {
- type ipv4_addr
- flags interval
- }
- chain eth_ingress {
- type filter hook ingress device "eth0" priority filter; policy drop;
- ip daddr != @eth_ipv4_address drop
- accept
- }
-}</programlisting>
- </para>
- </listitem>
- </varlistentry>
</variablelist>
</refsect1>
<para>As in [Address] section.</para>
</listitem>
</varlistentry>
-
- <varlistentry>
- <term><varname>NFTSet=</varname></term>
- <listitem>
- <para>As in [Address] section. The type in NFT set definition must be
- <literal>ipv4_addr</literal>.</para>
- </listitem>
- </varlistentry>
</variablelist>
</refsect1>
</listitem>
</varlistentry>
- <varlistentry>
- <term><varname>NFTSet=</varname></term>
- <listitem>
- <para>As in [DHCPv4] section. The type in NFT set definition must be
- <literal>ipv6_addr</literal>.</para>
- </listitem>
- </varlistentry>
-
<!-- How to communicate with the server -->
<varlistentry>
<para>As in [Address] section.</para>
</listitem>
</varlistentry>
-
- <varlistentry>
- <term><varname>NFTSet=</varname></term>
- <listitem>
- <para>As in [DHCPv6] section. The type in NFT set definition must be
- <literal>ipv6_addr</literal>.</para>
- </listitem>
- </varlistentry>
</variablelist>
</refsect1>
<para>As in [Address] section.</para>
</listitem>
</varlistentry>
- <varlistentry>
- <term><varname>NFTSet=</varname></term>
- <listitem>
- <para>As in [DHCPv6] section. The type in NFT set definition must be
- <literal>ipv6_addr</literal>.</para>
- </listitem>
- </varlistentry>
</variablelist>
</refsect1>
</para>
</listitem>
</varlistentry>
- <varlistentry>
- <term><varname>ControlGroupNFTSet=</varname><replaceable>family</replaceable>:<replaceable>table</replaceable>:<replaceable>set</replaceable></term>
- <listitem>
- <para>This setting provides a method for integrating dynamic cgroup IDs into firewall rules with
- NFT sets. This option expects a whitespace separated list of NFT set definitions. Each definition
- consists of a colon-separated tuple of NFT address family (one of <literal>arp</literal>,
- <literal>bridge</literal>, <literal>inet</literal>, <literal>ip</literal>, <literal>ip6</literal>,
- or <literal>netdev</literal>), table name and set name. The names of tables and sets must conform
- to lexical restrictions of NFT table names. When a control group for a unit is realized, the cgroup
- ID will be appended to the NFT sets and it will be be removed when the control group is
- removed. Failures to manage the sets will be ignored.</para>
-
- <para>Example:
- <programlisting>[Unit]
-ControlGroupNFTSet=inet:filter:my_service
-</programlisting>
- Corresponding NFT rules:
- <programlisting>table inet filter {
- set my_service {
- type cgroupsv2
- }
- chain x {
- socket cgroupv2 level 2 @my_service accept
- drop
- }
-}</programlisting>
- </para>
- </listitem>
- </varlistentry>
</variablelist>
</refsect1>
return store_loadavg_fixed_point(i, f, ret);
}
-
-static bool nft_first_char_bad(const char c) {
- if ((c >= 'a' && c <= 'z') ||
- (c >= 'A' && c <= 'Z'))
- return false;
- return true;
-}
-
-static bool nft_next_char_bad(const char c) {
- if ((c >= 'a' && c <= 'z') ||
- (c >= 'A' && c <= 'Z') ||
- (c >= '0' && c <= '9') ||
- c == '/' || c == '\\' || c == '_' || c == '.')
- return false;
- return true;
-}
-
-/* Limitations are described in https://www.netfilter.org/projects/nftables/manpage.html and
- * https://bugzilla.netfilter.org/show_bug.cgi?id=1175 */
-bool nft_identifier_bad(const char *id) {
- assert(id);
-
- size_t len;
- len = strlen(id);
- if (len == 0 || len > 31)
- return true;
-
- if (nft_first_char_bad(id[0]))
- return true;
-
- for (size_t i = 1; i < len; i++)
- if (nft_next_char_bad(id[i]))
- return true;
- return false;
-}
* to a loadavg_t. */
int store_loadavg_fixed_point(unsigned long i, unsigned long f, loadavg_t *ret);
int parse_loadavg_fixed_point(const char *s, loadavg_t *ret);
-
-bool nft_identifier_bad(const char *id);
#include "devnum-util.h"
#include "fd-util.h"
#include "fileio.h"
-#include "firewall-util.h"
#include "in-addr-prefix-util.h"
#include "inotify-util.h"
#include "io-util.h"
cpu_set_reset(&c->startup_cpuset_cpus);
cpu_set_reset(&c->cpuset_mems);
cpu_set_reset(&c->startup_cpuset_mems);
-
- c->nft_set_context = nft_set_context_free_many(c->nft_set_context, &c->n_nft_set_contexts);
}
static int unit_get_kernel_memory_limit(Unit *u, const char *file, uint64_t *ret) {
SET_FOREACH(iface, c->restrict_network_interfaces)
fprintf(f, "%sRestrictNetworkInterfaces: %s\n", prefix, iface);
}
-
- for (size_t i = 0; i < c->n_nft_set_contexts; i++)
- fprintf(f, "%sControlGroupNFTSet: %s:%s:%s\n", prefix,
- nfproto_to_string(c->nft_set_context[i].nfproto),
- c->nft_set_context[i].table, c->nft_set_context[i].set);
}
void cgroup_context_dump_socket_bind_item(const CGroupSocketBindItem *item, FILE *f) {
(void) bpf_firewall_install(u);
}
-static void cgroup_apply_nft_set(Unit *u) {
- int r;
- CGroupContext *c;
-
- assert(u);
-
- assert_se(c = unit_get_cgroup_context(u));
-
- for (size_t i = 0; i < c->n_nft_set_contexts; i++) {
- NFTSetContext *s = &c->nft_set_context[i];
- r = nft_set_element_add_uint64(s, u->cgroup_id);
- if (r < 0)
- log_warning_errno(r, "Adding NFT family %s table %s set %s cgroup %" PRIu64 " failed, ignoring: %m",
- nfproto_to_string(s->nfproto),
- s->table,
- s->set,
- u->cgroup_id);
- }
-}
-
-static void cgroup_delete_nft_set(Unit *u) {
- int r;
- CGroupContext *c;
-
- assert(u);
-
- assert_se(c = unit_get_cgroup_context(u));
-
- for (size_t i = 0; i < c->n_nft_set_contexts; i++) {
- NFTSetContext *s = &c->nft_set_context[i];
- r = nft_set_element_del_uint64(s, u->cgroup_id);
- if (r < 0)
- log_warning_errno(r, "Deleting NFT family %s table %s set %s cgroup %" PRIu64 " failed, ignoring: %m",
- nfproto_to_string(s->nfproto),
- s->table,
- s->set,
- u->cgroup_id);
- }
-}
-
static void cgroup_apply_socket_bind(Unit *u) {
assert(u);
if (apply_mask & CGROUP_MASK_BPF_RESTRICT_NETWORK_INTERFACES)
cgroup_apply_restrict_network_interfaces(u);
-
- cgroup_apply_nft_set(u);
}
static bool unit_get_needs_bpf_firewall(Unit *u) {
(void) lsm_bpf_cleanup(u); /* Remove cgroup from the global LSM BPF map */
#endif
- cgroup_delete_nft_set(u);
-
is_root_slice = unit_has_name(u, SPECIAL_ROOT_SLICE);
r = cg_trim_everywhere(u->manager->cgroup_supported, u->cgroup_path, !is_root_slice);
#include "bpf-lsm.h"
#include "cgroup-util.h"
#include "cpu-set-util.h"
-#include "firewall-util.h"
#include "list.h"
#include "time-util.h"
ManagedOOMMode moom_mem_pressure;
uint32_t moom_mem_pressure_limit; /* Normalized to 2^32-1 == 100% */
ManagedOOMPreference moom_preference;
-
- NFTSetContext *nft_set_context;
- size_t n_nft_set_contexts;
};
/* Used when querying IP accounting data */
#include "errno-util.h"
#include "fd-util.h"
#include "fileio.h"
-#include "firewall-util.h"
#include "in-addr-prefix-util.h"
#include "ip-protocol-list.h"
#include "limits-util.h"
return sd_bus_message_close_container(reply);
}
-static int property_get_cgroup_nft_set(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
- int r;
- CGroupContext *c = userdata;
-
- assert(bus);
- assert(reply);
- assert(c);
-
- r = sd_bus_message_open_container(reply, 'a', "(iss)");
- if (r < 0)
- return r;
-
- for (size_t i = 0; i < c->n_nft_set_contexts; i++) {
- NFTSetContext *s = &c->nft_set_context[i];
-
- r = sd_bus_message_append(reply, "(iss)", s->nfproto, s->table, s->set);
- if (r < 0)
- return r;
- }
-
- return sd_bus_message_close_container(reply);
-}
-
const sd_bus_vtable bus_cgroup_vtable[] = {
SD_BUS_VTABLE_START(0),
SD_BUS_PROPERTY("Delegate", "b", bus_property_get_bool, offsetof(CGroupContext, delegate), 0),
SD_BUS_PROPERTY("SocketBindAllow", "a(iiqq)", property_get_socket_bind, offsetof(CGroupContext, socket_bind_allow), 0),
SD_BUS_PROPERTY("SocketBindDeny", "a(iiqq)", property_get_socket_bind, offsetof(CGroupContext, socket_bind_deny), 0),
SD_BUS_PROPERTY("RestrictNetworkInterfaces", "(bas)", property_get_restrict_network_interfaces, 0, 0),
- SD_BUS_PROPERTY("ControlGroupNFTSet", "a(iss)", property_get_cgroup_nft_set, 0, SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_VTABLE_END
};
if (streq(name, "DisableControllers") || (u->transient && u->load_state == UNIT_STUB))
return bus_cgroup_set_transient_property(u, c, name, message, flags, error);
- if (streq(name, "ControlGroupNFTSet")) {
- int nfproto;
- const char *table, *set;
- bool empty = true;
-
- r = sd_bus_message_enter_container(message, 'a', "(iss)");
- if (r < 0)
- return r;
-
- while ((r = sd_bus_message_read(message, "(iss)", &nfproto, &table, &set)) > 0) {
- const char *nfproto_name;
-
- nfproto_name = nfproto_to_string(nfproto);
- if (!nfproto_name)
- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid protocol %d.", nfproto);
-
- if (nft_identifier_bad(table))
- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid NFT table name %s.", table);
-
- if (nft_identifier_bad(set))
- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid NFT set name %s.", set);
-
- if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
- r = nft_set_context_add(&c->nft_set_context, &c->n_nft_set_contexts, nfproto, table, set);
- if (r < 0)
- return r;
-
- unit_write_settingf(
- u, flags|UNIT_ESCAPE_SPECIFIERS, name,
- "%s=%s:%s:%s",
- name,
- nfproto_name,
- table,
- set);
- }
-
- empty = false;
- }
- if (r < 0)
- return r;
-
- r = sd_bus_message_exit_container(message);
- if (r < 0)
- return r;
-
- if (empty) {
- c->nft_set_context = nft_set_context_free_many(c->nft_set_context, &c->n_nft_set_contexts);
- unit_write_settingf(u, flags, name, "%s=", name);
- }
-
- return 1;
- }
-
return 0;
}
#include "execute.h"
#include "fd-util.h"
#include "fileio.h"
-#include "firewall-util.h"
#include "hexdecoct.h"
#include "io-util.h"
#include "ioprio-util.h"
return sd_bus_message_close_container(reply);
}
-static int property_get_dynamic_user_nft_set(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- ExecContext *c = userdata;
- int r;
-
- assert(bus);
- assert(reply);
- assert(c);
-
- r = sd_bus_message_open_container(reply, 'a', "(iss)");
- if (r < 0)
- return r;
-
- for (size_t i = 0; i < c->n_dynamic_user_nft_set_contexts; i++) {
- NFTSetContext *s = &c->dynamic_user_nft_set_context[i];
-
- r = sd_bus_message_append(reply, "(iss)", s->nfproto, s->table, s->set);
- if (r < 0)
- return r;
- }
-
- return sd_bus_message_close_container(reply);
-}
-
const sd_bus_vtable bus_exec_vtable[] = {
SD_BUS_VTABLE_START(0),
SD_BUS_PROPERTY("Environment", "as", NULL, offsetof(ExecContext, environment), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("User", "s", NULL, offsetof(ExecContext, user), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("Group", "s", NULL, offsetof(ExecContext, group), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("DynamicUser", "b", bus_property_get_bool, offsetof(ExecContext, dynamic_user), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("DynamicUserNFTSet", "a(iss)", property_get_dynamic_user_nft_set, 0, SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool, offsetof(ExecContext, remove_ipc), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("SetCredential", "a(say)", property_get_set_credential, 0, SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("SetCredentialEncrypted", "a(say)", property_get_set_credential, 0, SD_BUS_VTABLE_PROPERTY_CONST),
return 1;
- } else if (streq(name, "DynamicUserNFTSet")) {
- int nfproto;
- const char *table, *set;
- bool empty = true;
-
- r = sd_bus_message_enter_container(message, 'a', "(iss)");
- if (r < 0)
- return r;
-
- while ((r = sd_bus_message_read(message, "(iss)", &nfproto, &table, &set)) > 0) {
- const char *nfproto_name;
-
- nfproto_name = nfproto_to_string(nfproto);
- if (!nfproto_name)
- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid protocol %d.", nfproto);
-
- if (nft_identifier_bad(table))
- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid NFT table name %s.", table);
-
- if (nft_identifier_bad(set))
- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid NFT set name %s.", set);
-
- if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
- r = nft_set_context_add(&c->dynamic_user_nft_set_context, &c->n_dynamic_user_nft_set_contexts, nfproto, table, set);
- if (r < 0)
- return r;
-
- unit_write_settingf(
- u, flags|UNIT_ESCAPE_SPECIFIERS, name,
- "%s=%s:%s:%s",
- name,
- nfproto_name,
- table,
- set);
- }
-
- empty = false;
- }
- if (r < 0)
- return r;
-
- r = sd_bus_message_exit_container(message);
- if (r < 0)
- return r;
-
- if (empty) {
- c->dynamic_user_nft_set_context = nft_set_context_free_many(c->dynamic_user_nft_set_context, &c->n_dynamic_user_nft_set_contexts);
- unit_write_settingf(u, flags, name, "%s=", name);
- }
-
- return 1;
-
} else if ((suffix = startswith(name, "Limit"))) {
const char *soft = NULL;
int ri;
return 1;
}
-static void exec_op_dynamic_user_nft_set(bool add, const ExecContext *c, uid_t uid) {
- int r;
-
- assert(c);
-
- for (size_t i = 0; i < c->n_dynamic_user_nft_set_contexts; i++) {
- NFTSetContext *s = &c->dynamic_user_nft_set_context[i];
- if (add)
- r = nft_set_element_add_uint32(s, uid);
- else
- r = nft_set_element_del_uint32(s, uid);
- if (r < 0)
- log_warning_errno(r, "%s NFT family %s table %s set %s UID " UID_FMT " failed, ignoring: %m",
- add? "Adding" : "Deleting", nfproto_to_string(s->nfproto), s->table, s->set, uid);
- }
-}
-
-static void exec_add_dynamic_user_nft_set(const ExecContext *c, uid_t uid) {
- exec_op_dynamic_user_nft_set(true, c, uid);
-}
-
-void exec_delete_dynamic_user_nft_set(const ExecContext *c, DynamicUser *d) {
- int r;
- uid_t uid;
-
- if (!d)
- return;
-
- r = dynamic_user_current(d, &uid);
- if (r < 0) {
- log_warning_errno(r, "Can't get current dynamic user, ignoring: %m");
- return;
- }
-
- exec_op_dynamic_user_nft_set(false, c, uid);
-}
-
static int exec_child(
Unit *unit,
const ExecCommand *command,
if (dcreds->user)
username = dcreds->user->name;
- exec_add_dynamic_user_nft_set(context, uid);
-
} else {
r = get_fixed_user(context, &username, &uid, &gid, &home, &shell);
if (r < 0) {
c->user = mfree(c->user);
c->group = mfree(c->group);
- c->dynamic_user_nft_set_context = nft_set_context_free_many(c->dynamic_user_nft_set_context, &c->n_dynamic_user_nft_set_contexts);
-
c->supplementary_groups = strv_free(c->supplementary_groups);
c->pam_name = mfree(c->pam_name);
fprintf(f, "%sGroup: %s\n", prefix, c->group);
fprintf(f, "%sDynamicUser: %s\n", prefix, yes_no(c->dynamic_user));
- for (size_t i = 0; i < c->n_dynamic_user_nft_set_contexts; i++)
- fprintf(f, "%sDynamicUserNFTSet: %s:%s:%s\n", prefix,
- nfproto_to_string(c->dynamic_user_nft_set_context[i].nfproto),
- c->dynamic_user_nft_set_context[i].table,
- c->dynamic_user_nft_set_context[i].set);
strv_dump(f, prefix, "SupplementaryGroups", c->supplementary_groups);
#include "cpu-set-util.h"
#include "exec-util.h"
#include "fdset.h"
-#include "firewall-util.h"
#include "list.h"
#include "missing_resource.h"
#include "namespace.h"
bool mount_apivfs;
bool dynamic_user;
- size_t n_dynamic_user_nft_set_contexts;
- NFTSetContext *dynamic_user_nft_set_context;
-
bool remove_ipc;
bool memory_deny_write_execute;
ExecDirectoryType exec_resource_type_from_string(const char *s) _pure_;
bool exec_needs_mount_namespace(const ExecContext *context, const ExecParameters *params, const ExecRuntime *runtime);
-
-void exec_delete_dynamic_user_nft_set(const ExecContext *c, DynamicUser *d);
{{type}}.PassEnvironment, config_parse_pass_environ, 0, offsetof({{type}}, exec_context.pass_environment)
{{type}}.UnsetEnvironment, config_parse_unset_environ, 0, offsetof({{type}}, exec_context.unset_environment)
{{type}}.DynamicUser, config_parse_bool, true, offsetof({{type}}, exec_context.dynamic_user)
-{{type}}.DynamicUserNFTSet, config_parse_dynamic_user_nft_set, 0, offsetof({{type}}, exec_context)
{{type}}.RemoveIPC, config_parse_bool, 0, offsetof({{type}}, exec_context.remove_ipc)
{{type}}.StandardInput, config_parse_exec_input, 0, offsetof({{type}}, exec_context)
{{type}}.StandardOutput, config_parse_exec_output, 0, offsetof({{type}}, exec_context)
{{type}}.SocketBindAllow, config_parse_cgroup_socket_bind, 0, offsetof({{type}}, cgroup_context.socket_bind_allow)
{{type}}.SocketBindDeny, config_parse_cgroup_socket_bind, 0, offsetof({{type}}, cgroup_context.socket_bind_deny)
{{type}}.RestrictNetworkInterfaces, config_parse_restrict_network_interfaces, 0, offsetof({{type}}, cgroup_context)
-{{type}}.ControlGroupNFTSet, config_parse_cgroup_nft_set, 0, offsetof({{type}}, cgroup_context)
{%- endmacro -%}
%{
#include "env-util.h"
#include "errno-list.h"
#include "escape.h"
-#include "execute.h"
#include "fd-util.h"
#include "fileio.h"
-#include "firewall-util.h"
#include "fs-util.h"
#include "hexdecoct.h"
#include "io-util.h"
return config_parse_unsigned(unit, filename, line, section, section_line, lvalue, ltype, rvalue, data, userdata);
}
-
-static int config_parse_nft_set(
- const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- NFTSetContext **c,
- size_t *n,
- Unit *u) {
- _cleanup_free_ char *family_str = NULL, *table = NULL, *set = NULL, *table_resolved = NULL, *set_resolved = NULL;
- int nfproto, r;
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(u);
-
- if (isempty(rvalue)) {
- /* Empty assignment resets the list */
- *c = nft_set_context_free_many(*c, n);
- return 0;
- }
-
- for (const char *p = rvalue;;) {
- r = extract_many_words(&p, ":", EXTRACT_CUNESCAPE, &family_str, &table, &set, NULL);
- if (r == -ENOMEM)
- return log_oom();
- if (r == 0)
- break;
- if (r != 3) {
- log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse NFT set, ignoring: %s", p);
- return 0;
- }
-
- nfproto = nfproto_from_string(family_str);
- if (nfproto < 0) {
- log_syntax(unit, LOG_WARNING, filename, line, 0, "Unknown NFT protocol family, ignoring: %s", family_str);
- return 0;
- }
-
- r = unit_path_printf(u, table, &table_resolved);
- if (r < 0) {
- log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in '%s', ignoring: %m", table);
- return 0;
- }
-
- if (nft_identifier_bad(table_resolved))
- return log_syntax(unit, LOG_WARNING, filename, line, 0, "Invalid table name %s, ignoring", table);
-
- r = unit_path_printf(u, set, &set_resolved);
- if (r < 0) {
- log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to resolve unit specifiers in '%s', ignoring: %m", set);
- return 0;
- }
-
- if (nft_identifier_bad(set_resolved))
- return log_syntax(unit, LOG_WARNING, filename, line, 0, "Invalid set name %s, ignoring", set);
-
- r = nft_set_context_add(c, n, nfproto, table_resolved, set_resolved);
- if (r < 0)
- return log_oom();
- }
-
- return 0;
-}
-
-int config_parse_cgroup_nft_set(
- 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) {
- CGroupContext *c = data;
- Unit *u = userdata;
-
- return config_parse_nft_set(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &c->nft_set_context, &c->n_nft_set_contexts, u);
-}
-
-int config_parse_dynamic_user_nft_set(
- 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) {
- ExecContext *c = data;
- Unit *u = userdata;
-
- return config_parse_nft_set(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &c->dynamic_user_nft_set_context, &c->n_dynamic_user_nft_set_contexts, u);
-}
CONFIG_PARSER_PROTOTYPE(config_parse_restrict_network_interfaces);
CONFIG_PARSER_PROTOTYPE(config_parse_watchdog_sec);
CONFIG_PARSER_PROTOTYPE(config_parse_tty_size);
-CONFIG_PARSER_PROTOTYPE(config_parse_cgroup_nft_set);
-CONFIG_PARSER_PROTOTYPE(config_parse_dynamic_user_nft_set);
/* gperf prototypes */
const struct ConfigPerfItem* load_fragment_gperf_lookup(const char *key, GPERF_LEN_TYPE length);
/* Get rid of the IPC bits of the user */
unit_unref_uid_gid(UNIT(s), true);
- /* Delete DynamicUserNFTSet= */
- exec_delete_dynamic_user_nft_set(&s->exec_context, s->dynamic_creds.user);
-
/* Release the user, and destroy it if we are the only remaining owner */
dynamic_creds_destroy(&s->dynamic_creds);
config_section_free(address->section);
free(address->label);
set_free(address->netlabels);
- nft_set_context_free_many(address->ipv4_nft_set_context, &address->n_ipv4_nft_set_contexts);
- nft_set_context_free_many(address->ipv6_nft_set_context, &address->n_ipv6_nft_set_contexts);
return mfree(address);
}
return 0;
}
-static void address_add_nft_set_context(const Address *address, const NFTSetContext *nft_set_context, size_t n_nft_set_contexts) {
- int r;
-
- assert(address);
-
- for (size_t i = 0; i < n_nft_set_contexts; i++) {
- r = nft_set_element_add_in_addr(&nft_set_context[i], address->family,
- &address->in_addr, address->prefixlen);
- if (r < 0)
- log_warning_errno(r, "Adding NFT family %s table %s set %s for IP address %s failed, ignoring",
- nfproto_to_string(nft_set_context[i].nfproto),
- nft_set_context[i].table,
- nft_set_context[i].set,
- IN_ADDR_PREFIX_TO_STRING(address->family, &address->in_addr, address->prefixlen));
- }
-}
-
-static void address_del_nft_set_context(const Address *address, const NFTSetContext *nft_set_context, size_t n_nft_set_contexts) {
- int r;
-
- assert(address);
-
- for (size_t i = 0; i < n_nft_set_contexts; i++) {
- r = nft_set_element_del_in_addr(&nft_set_context[i], address->family,
- &address->in_addr, address->prefixlen);
- if (r < 0)
- log_warning_errno(r, "Deleting NFT family %s table %s set %s for IP address %s failed, ignoring",
- nfproto_to_string(nft_set_context[i].nfproto),
- nft_set_context[i].table,
- nft_set_context[i].set,
- IN_ADDR_PREFIX_TO_STRING(address->family, &address->in_addr, address->prefixlen)); }
-}
-
-static void address_add_nft_set(const Address *address) {
- assert(address);
- assert(address->link);
-
- if (!address->link->network || !IN_SET(address->family, AF_INET, AF_INET6))
- return;
-
- switch (address->source) {
- case NETWORK_CONFIG_SOURCE_DHCP4:
- return address_add_nft_set_context(address, address->link->network->dhcp_nft_set_context, address->link->network->n_dhcp_nft_set_contexts);
- case NETWORK_CONFIG_SOURCE_DHCP6:
- return address_add_nft_set_context(address, address->link->network->dhcp6_nft_set_context, address->link->network->n_dhcp6_nft_set_contexts);
- case NETWORK_CONFIG_SOURCE_DHCP_PD:
- return address_add_nft_set_context(address, address->link->network->dhcp_pd_nft_set_context, address->link->network->n_dhcp_pd_nft_set_contexts);
- case NETWORK_CONFIG_SOURCE_NDISC:
- return address_add_nft_set_context(address, address->link->network->ndisc_nft_set_context, address->link->network->n_ndisc_nft_set_contexts);
- case NETWORK_CONFIG_SOURCE_STATIC:
- if (address->family == AF_INET)
- return address_add_nft_set_context(address, address->ipv4_nft_set_context, address->n_ipv4_nft_set_contexts);
- else
- return address_add_nft_set_context(address, address->ipv6_nft_set_context, address->n_ipv6_nft_set_contexts);
- default:
- return;
- }
-}
-
-static void address_del_nft_set(const Address *address) {
- assert(address);
- assert(address->link);
-
- if (!address->link->network || !IN_SET(address->family, AF_INET, AF_INET6))
- return;
-
- switch (address->source) {
- case NETWORK_CONFIG_SOURCE_DHCP4:
- return address_del_nft_set_context(address, address->link->network->dhcp_nft_set_context, address->link->network->n_dhcp_nft_set_contexts);
- case NETWORK_CONFIG_SOURCE_DHCP6:
- return address_del_nft_set_context(address, address->link->network->dhcp6_nft_set_context, address->link->network->n_dhcp6_nft_set_contexts);
- case NETWORK_CONFIG_SOURCE_DHCP_PD:
- return address_del_nft_set_context(address, address->link->network->dhcp_pd_nft_set_context, address->link->network->n_dhcp_pd_nft_set_contexts);
- case NETWORK_CONFIG_SOURCE_NDISC:
- return address_del_nft_set_context(address, address->link->network->ndisc_nft_set_context, address->link->network->n_ndisc_nft_set_contexts);
- case NETWORK_CONFIG_SOURCE_STATIC:
- if (address->family == AF_INET)
- return address_del_nft_set_context(address, address->ipv4_nft_set_context, address->n_ipv4_nft_set_contexts);
- else
- return address_del_nft_set_context(address, address->ipv6_nft_set_context, address->n_ipv6_nft_set_contexts);
- default:
- return;
- }
-}
-
static int address_add(Link *link, Address *address) {
int r;
address_add_netlabel(address);
- address_add_nft_set(address);
-
if (address_is_ready(address) && address->callback) {
r = address->callback(address);
if (r < 0)
if (r < 0)
log_link_warning_errno(link, r, "Failed to disable IP masquerading, ignoring: %m");
- address_del_nft_set(address);
-
address_del_netlabel(address);
if (address->state == 0)
return 0;
}
-
-int config_parse_address_ipv4_nft_set_context(
- 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) {
- Network *network = userdata;
- _cleanup_(address_free_or_set_invalidp) Address *n = NULL;
- int r;
-
- assert(filename);
- assert(section);
- assert(lvalue);
- assert(rvalue);
- assert(data);
- assert(network);
-
- r = address_new_static(network, filename, section_line, &n);
- if (r == -ENOMEM)
- return log_oom();
- if (r < 0) {
- log_syntax(unit, LOG_WARNING, filename, line, r,
- "Failed to allocate new address, ignoring assignment: %m");
- return 0;
- }
-
- return config_parse_nft_set_context(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &n->ipv4_nft_set_context, &n->n_ipv4_nft_set_contexts);
-}
-
-int config_parse_address_ipv6_nft_set_context(
- 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) {
- Network *network = userdata;
- _cleanup_(address_free_or_set_invalidp) Address *n = NULL;
- int r;
-
- assert(filename);
- assert(section);
- assert(lvalue);
- assert(rvalue);
- assert(data);
- assert(network);
-
- r = address_new_static(network, filename, section_line, &n);
- if (r == -ENOMEM)
- return log_oom();
- if (r < 0) {
- log_syntax(unit, LOG_WARNING, filename, line, r,
- "Failed to allocate new address, ignoring assignment: %m");
- return 0;
- }
-
- return config_parse_nft_set_context(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &n->ipv6_nft_set_context, &n->n_ipv6_nft_set_contexts);
-}
#include "sd-ipv4acd.h"
#include "conf-parser.h"
-#include "firewall-util.h"
#include "in-addr-util.h"
#include "networkd-link.h"
#include "networkd-util.h"
/* NetLabel */
Set *netlabels;
-
- NFTSetContext *ipv4_nft_set_context, *ipv6_nft_set_context;
- size_t n_ipv4_nft_set_contexts, n_ipv6_nft_set_contexts;
};
const char* format_lifetime(char *buf, size_t l, usec_t lifetime_usec) _warn_unused_result_;
CONFIG_PARSER_PROTOTYPE(config_parse_address_route_metric);
CONFIG_PARSER_PROTOTYPE(config_parse_duplicate_address_detection);
CONFIG_PARSER_PROTOTYPE(config_parse_address_netlabel);
-CONFIG_PARSER_PROTOTYPE(config_parse_address_ipv4_nft_set_context);
-CONFIG_PARSER_PROTOTYPE(config_parse_address_ipv6_nft_set_context);
Address.Scope, config_parse_address_scope, 0, 0
Address.RouteMetric, config_parse_address_route_metric, 0, 0
Address.NetLabel, config_parse_address_netlabel, 0, 0
-Address.IPv4NFTSet, config_parse_address_ipv4_nft_set_context, 0, 0
-Address.IPv6NFTSet, config_parse_address_ipv6_nft_set_context, 0, 0
IPv6AddressLabel.Prefix, config_parse_address_label_prefix, 0, 0
IPv6AddressLabel.Label, config_parse_address_label, 0, 0
Neighbor.Address, config_parse_neighbor_address, 0, 0
DHCPv4.FallbackLeaseLifetimeSec, config_parse_dhcp_fallback_lease_lifetime, 0, 0
DHCPv4.Use6RD, config_parse_bool, 0, offsetof(Network, dhcp_use_6rd)
DHCPv4.NetLabel, config_parse_netlabel, 0, offsetof(Network, dhcp_netlabels)
-DHCPv4.NFTSet, config_parse_dhcp_nft_set_context, 0, 0
DHCPv6.UseAddress, config_parse_bool, 0, offsetof(Network, dhcp6_use_address)
DHCPv6.UseDelegatedPrefix, config_parse_bool, 0, offsetof(Network, dhcp6_use_pd_prefix)
DHCPv6.UseDNS, config_parse_dhcp_use_dns, AF_INET6, 0
DHCPv6.DUIDType, config_parse_duid_type, 0, offsetof(Network, dhcp6_duid)
DHCPv6.DUIDRawData, config_parse_duid_rawdata, 0, offsetof(Network, dhcp6_duid)
DHCPv6.NetLabel, config_parse_netlabel, 0, offsetof(Network, dhcp6_netlabels)
-DHCPv6.NFTSet, config_parse_dhcp6_nft_set_context, 0, 0
IPv6AcceptRA.UseGateway, config_parse_bool, 0, offsetof(Network, ipv6_accept_ra_use_gateway)
IPv6AcceptRA.UseRoutePrefix, config_parse_bool, 0, offsetof(Network, ipv6_accept_ra_use_route_prefix)
IPv6AcceptRA.UseAutonomousPrefix, config_parse_bool, 0, offsetof(Network, ipv6_accept_ra_use_autonomous_prefix)
IPv6AcceptRA.RouteDenyList, config_parse_in_addr_prefixes, AF_INET6, offsetof(Network, ndisc_deny_listed_route_prefix)
IPv6AcceptRA.Token, config_parse_address_generation_type, 0, offsetof(Network, ndisc_tokens)
IPv6AcceptRA.NetLabel, config_parse_netlabel, 0, offsetof(Network, ndisc_netlabels)
-IPv6AcceptRA.NFTSet, config_parse_ndisc_nft_set_context, 0, 0
DHCPServer.ServerAddress, config_parse_dhcp_server_address, 0, 0
DHCPServer.UplinkInterface, config_parse_uplink, 0, 0
DHCPServer.RelayTarget, config_parse_in_addr_non_null, AF_INET, offsetof(Network, dhcp_server_relay_target)
DHCPPrefixDelegation.Token, config_parse_address_generation_type, 0, offsetof(Network, dhcp_pd_tokens)
DHCPPrefixDelegation.RouteMetric, config_parse_uint32, 0, offsetof(Network, dhcp_pd_route_metric)
DHCPPrefixDelegation.NetLabel, config_parse_netlabel, 0, offsetof(Network, dhcp_pd_netlabels)
-DHCPPrefixDelegation.NFTSet, config_parse_dhcp_pd_nft_set_context, 0, 0
IPv6SendRA.RouterLifetimeSec, config_parse_router_lifetime, 0, offsetof(Network, router_lifetime_usec)
IPv6SendRA.Managed, config_parse_bool, 0, offsetof(Network, router_managed)
IPv6SendRA.OtherInformation, config_parse_bool, 0, offsetof(Network, router_other_information)
strv_free(network->dhcp6_vendor_class);
set_free(network->dhcp_netlabels);
set_free(network->dhcp6_netlabels);
- nft_set_context_free_many(network->dhcp_nft_set_context, &network->n_dhcp_nft_set_contexts);
- nft_set_context_free_many(network->dhcp6_nft_set_context, &network->n_dhcp6_nft_set_contexts);
strv_free(network->ntp);
for (unsigned i = 0; i < network->n_dns; i++)
set_free(network->ndisc_tokens);
set_free(network->dhcp_pd_netlabels);
set_free(network->ndisc_netlabels);
- nft_set_context_free_many(network->dhcp_pd_nft_set_context, &network->n_dhcp_pd_nft_set_contexts);
- nft_set_context_free_many(network->ndisc_nft_set_context, &network->n_ndisc_nft_set_contexts);
return mfree(network);
}
return 0;
}
-int config_parse_dhcp_nft_set_context(
- 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) {
- Network *network = userdata;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(network);
-
- return config_parse_nft_set_context(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &network->dhcp_nft_set_context, &network->n_dhcp_nft_set_contexts);
-}
-
-int config_parse_dhcp6_nft_set_context(
- 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) {
- Network *network = userdata;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(network);
-
- return config_parse_nft_set_context(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &network->dhcp6_nft_set_context, &network->n_dhcp6_nft_set_contexts);
-}
-
-int config_parse_dhcp_pd_nft_set_context(
- 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) {
- Network *network = userdata;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(network);
-
- return config_parse_nft_set_context(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &network->dhcp_pd_nft_set_context, &network->n_dhcp_pd_nft_set_contexts);
-}
-
-int config_parse_ndisc_nft_set_context(
- 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) {
- Network *network = userdata;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(network);
-
- return config_parse_nft_set_context(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &network->ndisc_nft_set_context, &network->n_ndisc_nft_set_contexts);
-}
-
DEFINE_CONFIG_PARSE_ENUM(config_parse_required_family_for_online, link_required_address_family, AddressFamily,
"Failed to parse RequiredFamilyForOnline= setting");
#include "bridge.h"
#include "condition.h"
#include "conf-parser.h"
-#include "firewall-util.h"
#include "hashmap.h"
#include "ipoib.h"
#include "net-condition.h"
OrderedHashmap *dhcp_client_send_options;
OrderedHashmap *dhcp_client_send_vendor_options;
Set *dhcp_netlabels;
- NFTSetContext *dhcp_nft_set_context;
- size_t n_dhcp_nft_set_contexts;
/* DHCPv6 Client support */
bool dhcp6_use_address;
OrderedHashmap *dhcp6_client_send_vendor_options;
Set *dhcp6_request_options;
Set *dhcp6_netlabels;
- NFTSetContext *dhcp6_nft_set_context;
- size_t n_dhcp6_nft_set_contexts;
/* DHCP Server Support */
bool dhcp_server;
int dhcp_pd_uplink_index;
char *dhcp_pd_uplink_name;
Set *dhcp_pd_netlabels;
- NFTSetContext *dhcp_pd_nft_set_context;
- size_t n_dhcp_pd_nft_set_contexts;
/* Bridge Support */
int use_bpdu;
Set *ndisc_allow_listed_route_prefix;
Set *ndisc_tokens;
Set *ndisc_netlabels;
- NFTSetContext *ndisc_nft_set_context;
- size_t n_ndisc_nft_set_contexts;
/* LLDP support */
LLDPMode lldp_mode; /* LLDP reception */
CONFIG_PARSER_PROTOTYPE(config_parse_activation_policy);
CONFIG_PARSER_PROTOTYPE(config_parse_link_group);
CONFIG_PARSER_PROTOTYPE(config_parse_ignore_carrier_loss);
-CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_nft_set_context);
-CONFIG_PARSER_PROTOTYPE(config_parse_dhcp6_nft_set_context);
-CONFIG_PARSER_PROTOTYPE(config_parse_dhcp_pd_nft_set_context);
-CONFIG_PARSER_PROTOTYPE(config_parse_ndisc_nft_set_context);
const struct ConfigPerfItem* network_network_gperf_lookup(const char *key, GPERF_LEN_TYPE length);
#include "exec-util.h"
#include "exit-status.h"
#include "fileio.h"
-#include "firewall-util.h"
#include "hexdecoct.h"
#include "hostname-util.h"
#include "in-addr-util.h"
return sd_bus_message_close_container(m);
}
-static int bus_append_nft_set(sd_bus_message *m, const char *field, const char *eq) {
- int r;
-
- assert(m);
-
- if (isempty(eq)) {
- r = sd_bus_message_append(m, "(sv)", field, "a(iss)", 0);
- if (r < 0)
- return bus_log_create_error(r);
-
- return 1;
- }
-
- r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_open_container(m, 'v', "a(iss)");
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_open_container(m, 'a', "(iss)");
- if (r < 0)
- return bus_log_create_error(r);
-
- for (;;) {
- _cleanup_free_ char *word = NULL;
- int family;
-
- r = extract_first_word(&eq, &word, ":", 0);
- if (r == -ENOMEM)
- return log_oom();
- if (r < 0)
- return log_error_errno(r, "Failed to parse %s: %m", field);
- if (isempty(word)) {
- log_error("Failed to parse %s", field);
- return 0;
- }
-
- family = nfproto_from_string(word);
- if (family < 0)
- return log_error_errno(family, "Failed to parse %s: %m", field);
-
- r = extract_first_word(&eq, &word, ":", EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_SEPARATORS);
- if (r == -ENOMEM)
- return log_oom();
- if (r < 0)
- return log_error_errno(r, "Failed to parse %s: %m", field);
- if (isempty(word) || isempty(eq)) {
- log_error("Failed to parse %s", field);
- return 0;
- }
-
- _cleanup_free_ char *unescaped = NULL;
- ssize_t l;
-
- l = cunescape(eq, 0, &unescaped);
- if (l < 0)
- return log_error_errno(l, "Failed to unescape %s= value: %s", field, eq);
-
- r = sd_bus_message_append(m, "(iss)", family, word, eq);
-
- r = sd_bus_message_close_container(m);
- if (r < 0)
- return bus_log_create_error(r);
- }
- r = sd_bus_message_close_container(m);
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_close_container(m);
- if (r < 0)
- return bus_log_create_error(r);
-
- r = sd_bus_message_close_container(m);
- if (r < 0)
- return bus_log_create_error(r);
-
- return 1;
-}
-
static int bus_append_cgroup_property(sd_bus_message *m, const char *field, const char *eq) {
int r;
return 1;
}
- if (streq(field, "ControlGroupNFTSet"))
- return bus_append_nft_set(m, field, eq);
-
return 0;
}
return 1;
}
- if (STR_IN_SET(field, "DynamicUserNFTSet"))
- return bus_append_nft_set(m, field, eq);
-
return 0;
}
#include "sd-netlink.h"
#include "alloc-util.h"
-#include "extract-word.h"
#include "firewall-util.h"
#include "firewall-util-private.h"
#include "in-addr-util.h"
#include "macro.h"
#include "socket-util.h"
-#include "string-table.h"
#include "time-util.h"
#define NFT_SYSTEMD_DNAT_MAP_NAME "map_port_ipport"
#define NFT_MASQ_MSGS 3
-static int nft_set_element_op_in_addr(
- sd_netlink *nfnl,
- const char *table,
- const char *set,
+static int fw_nftables_add_masquerade_internal(
+ FirewallContext *ctx,
bool add,
- int nfproto,
int af,
const union in_addr_union *source,
unsigned int source_prefixlen) {
if (af == AF_INET6 && source_prefixlen < 8)
return -EINVAL;
- r = sd_nfnl_message_batch_begin(nfnl, &transaction[0]);
+ r = sd_nfnl_message_batch_begin(ctx->nfnl, &transaction[0]);
if (r < 0)
return r;
tsize = 1;
if (add)
- r = sd_nfnl_nft_message_new_setelems_begin(nfnl, &transaction[tsize], nfproto, table, set);
+ r = sd_nfnl_nft_message_new_setelems_begin(ctx->nfnl, &transaction[tsize], af, NFT_SYSTEMD_TABLE_NAME, NFT_SYSTEMD_MASQ_SET_NAME);
else
- r = sd_nfnl_nft_message_del_setelems_begin(nfnl, &transaction[tsize], nfproto, table, set);
+ r = sd_nfnl_nft_message_del_setelems_begin(ctx->nfnl, &transaction[tsize], af, NFT_SYSTEMD_TABLE_NAME, NFT_SYSTEMD_MASQ_SET_NAME);
if (r < 0)
goto out_unref;
++tsize;
assert(tsize < NFT_MASQ_MSGS);
- r = sd_nfnl_message_batch_end(nfnl, &transaction[tsize]);
+ r = sd_nfnl_message_batch_end(ctx->nfnl, &transaction[tsize]);
if (r < 0)
return r;
++tsize;
- r = nfnl_netlink_sendv(nfnl, transaction, tsize);
+ r = nfnl_netlink_sendv(ctx->nfnl, transaction, tsize);
out_unref:
while (tsize > 0)
return r < 0 ? r : 0;
}
-static int nft_set_element_op_in_addr_open(
- bool add,
- const NFTSetContext *nft_set_context,
- int af,
- const union in_addr_union *address,
- unsigned int prefixlen) {
-
- _cleanup_(sd_netlink_unrefp) sd_netlink *nfnl = NULL;
- const char *table, *set;
- int r, nfproto;
-
- assert(nft_set_context);
- nfproto = nft_set_context->nfproto;
- table = nft_set_context->table;
- assert(table);
- set = nft_set_context->set;
- assert(set);
-
- r = sd_nfnl_socket_open(&nfnl);
- if (r < 0)
- return r;
-
- r = nft_set_element_op_in_addr(nfnl, table, set,
- add, nfproto, af, address, prefixlen);
-
- log_debug("%s NFT family %s table %s set %s IP address %s",
- add ? "Added" : "Deleted",
- nfproto_to_string(nfproto), table, set,
- IN_ADDR_PREFIX_TO_STRING(af, address, prefixlen));
-
- return r;
-}
-
-int nft_set_element_add_in_addr(
- const NFTSetContext *nft_set_context,
- int af,
- const union in_addr_union *address,
- unsigned int prefixlen) {
- return nft_set_element_op_in_addr_open(true, nft_set_context, af, address, prefixlen);
-}
-
-int nft_set_element_del_in_addr(
- const NFTSetContext *nft_set_context,
- int af,
- const union in_addr_union *address,
- unsigned int prefixlen) {
- return nft_set_element_op_in_addr_open(false, nft_set_context, af, address, prefixlen);
-}
-
-static int fw_nftables_add_masquerade_internal(
- FirewallContext *ctx,
- bool add,
- int af,
- const union in_addr_union *source,
- unsigned int source_prefixlen) {
- return nft_set_element_op_in_addr(ctx->nfnl, NFT_SYSTEMD_TABLE_NAME, NFT_SYSTEMD_MASQ_SET_NAME,
- add, af, af, source, source_prefixlen);
-}
-
int fw_nftables_add_masquerade(
FirewallContext *ctx,
bool add,
/* table created anew; previous address already gone */
return fw_nftables_add_local_dnat_internal(ctx, add, af, protocol, local_port, remote, remote_port, NULL);
}
-
-static const char *const nfproto_table[] = {
- [NFPROTO_ARP] = "arp",
- [NFPROTO_BRIDGE] = "bridge",
- [NFPROTO_INET] = "inet",
- [NFPROTO_IPV4] = "ip",
- [NFPROTO_IPV6] = "ip6",
- [NFPROTO_NETDEV] = "netdev",
-};
-
-DEFINE_STRING_TABLE_LOOKUP(nfproto, int);
-
-#define NFT_SET_MSGS 3
-
-static int nft_set_element_op(bool add, const NFTSetContext *nft_set_context, void *element, size_t element_size) {
- _cleanup_(sd_netlink_unrefp) sd_netlink *nfnl = NULL;
- sd_netlink_message *transaction[NFT_SET_MSGS] = {};
- _cleanup_free_ uint32_t *serial = NULL;
- size_t tsize;
- int r, nfproto;
- const char *table, *set;
-
- assert(nft_set_context);
- nfproto = nft_set_context->nfproto;
- table = nft_set_context->table;
- assert(table);
- set = nft_set_context->set;
- assert(set);
- assert(element);
-
- r = sd_nfnl_socket_open(&nfnl);
- if (r < 0)
- return r;
-
- r = sd_nfnl_message_batch_begin(nfnl, &transaction[0]);
- if (r < 0)
- return r;
- tsize = 1;
-
- if (add)
- r = sd_nfnl_nft_message_new_setelems_begin(nfnl, &transaction[tsize], nfproto, table, set);
- else
- r = sd_nfnl_nft_message_del_setelems_begin(nfnl, &transaction[tsize], nfproto, table, set);
- if (r < 0)
- goto out_unref;
-
- r = sd_nfnl_nft_message_add_setelem(transaction[tsize], 0, element, element_size, NULL, 0);
- if (r < 0)
- return r;
-
- r = sd_nfnl_nft_message_add_setelem_end(transaction[tsize]);
- if (r < 0)
- return r;
- ++tsize;
- assert(tsize < ELEMENTSOF(transaction));
- r = sd_nfnl_message_batch_end(nfnl, &transaction[tsize]);
- if (r < 0)
- return r;
-
- ++tsize;
- r = sd_netlink_sendv(nfnl, transaction, tsize, &serial);
-
-out_unref:
- while (tsize > 0)
- sd_netlink_message_unref(transaction[--tsize]);
- return r < 0 ? r : 0;
-}
-
-int nft_set_element_add_uint32(const NFTSetContext *nft_set_context, uint32_t element) {
- int r;
-
- assert(nft_set_context);
- r = nft_set_element_op(true, nft_set_context, &element, sizeof(element));
- if (r == 0)
- log_debug("Added NFT family %s table %s set %s element %d",
- nfproto_to_string(nft_set_context->nfproto), nft_set_context->table, nft_set_context->set, element);
- return r;
-}
-
-int nft_set_element_del_uint32(const NFTSetContext *nft_set_context, uint32_t element) {
- int r;
-
- assert(nft_set_context);
- r = nft_set_element_op(false, nft_set_context, &element, sizeof(element));
- if (r == 0)
- log_debug("Deleted NFT family %s table %s set %s element %d",
- nfproto_to_string(nft_set_context->nfproto), nft_set_context->table, nft_set_context->set, element);
- return r;
-}
-
-int nft_set_element_add_uint64(const NFTSetContext *nft_set_context, uint64_t element) {
- int r;
-
- assert(nft_set_context);
- r = nft_set_element_op(true, nft_set_context, &element, sizeof(element));
- if (r == 0)
- log_debug("Added NFT family %s table %s set %s element %"PRIu64,
- nfproto_to_string(nft_set_context->nfproto), nft_set_context->table, nft_set_context->set, element);
- return r;
-}
-
-int nft_set_element_del_uint64(const NFTSetContext *nft_set_context, uint64_t element) {
- int r;
-
- assert(nft_set_context);
- r = nft_set_element_op(false, nft_set_context, &element, sizeof(element));
- if (r == 0)
- log_debug("Deleted NFT family %s table %s set %s element %"PRIu64,
- nfproto_to_string(nft_set_context->nfproto), nft_set_context->table, nft_set_context->set, element);
- return r;
-}
-
-NFTSetContext* nft_set_context_free_many(NFTSetContext *s, size_t *n) {
- assert(n);
- assert(s || *n == 0);
-
- for (size_t i = 0; i < *n; i++) {
- free(s[i].table);
- free(s[i].set);
- }
-
- free(s);
- *n = 0;
- return NULL;
-}
-
-int nft_set_context_add(NFTSetContext **s, size_t *n, int nfproto, const char *table, const char *set) {
- _cleanup_free_ char *table_dup = NULL, *set_dup = NULL;
- assert(s);
- assert(n);
-
- table_dup = strdup(table);
- if (!table_dup)
- return -ENOMEM;
-
- set_dup = strdup(set);
- if (!set_dup)
- return -ENOMEM;
-
- NFTSetContext *c;
- c = reallocarray(*s, *n + 1, sizeof(NFTSetContext));
- if (!c)
- return -ENOMEM;
-
- *s = c;
-
- c[(*n) ++] = (NFTSetContext) {
- .nfproto = nfproto,
- .table = TAKE_PTR(table_dup),
- .set = TAKE_PTR(set_dup),
- };
-
- return 0;
-}
-
-int config_parse_nft_set_context(
- const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- NFTSetContext **nft_set_context,
- size_t *n) {
- _cleanup_free_ char *family_str = NULL, *table = NULL, *set = NULL;
- int nfproto, r;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(nft_set_context);
-
- if (isempty(rvalue)) {
- nft_set_context_free_many(*nft_set_context, n);
-
- return 0;
- }
-
- for (const char *p = rvalue;;) {
- r = extract_many_words(&p, ":" WHITESPACE, EXTRACT_CUNESCAPE, &family_str, &table, &set, NULL);
- if (r == -ENOMEM)
- return log_oom();
- if (r == 0)
- return 0;
- if (r != 3) {
- log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse IPvxNFT set, ignoring: %s", rvalue);
- return 0;
- }
-
- nfproto = nfproto_from_string(family_str);
- if (nfproto < 0) {
- log_syntax(unit, LOG_WARNING, filename, line, 0, "Unknown NFT protocol family, ignoring: %s", family_str);
- return 0;
- }
-
- if (nft_identifier_bad(table))
- return log_syntax(unit, LOG_WARNING, filename, line, 0, "Invalid table name %s, ignoring", table);
-
- if (nft_identifier_bad(set))
- return log_syntax(unit, LOG_WARNING, filename, line, 0, "Invalid set name %s, ignoring", set);
-
- NFTSetContext *c;
- c = reallocarray(*nft_set_context, *n + 1, sizeof(NFTSetContext));
- if (!c)
- return -ENOMEM;
-
- *nft_set_context = c;
-
- c[(*n) ++] = (NFTSetContext) {
- .nfproto = nfproto,
- .table = TAKE_PTR(table),
- .set = TAKE_PTR(set),
- };
- }
-
- return 0;
-}
const union in_addr_union *remote,
uint16_t remote_port,
const union in_addr_union *previous_remote);
-
-struct NFTSetContext {
- int nfproto;
- char *table;
- char *set;
-};
-typedef struct NFTSetContext NFTSetContext;
-
-int nft_set_context_add(NFTSetContext **s, size_t *n, int nfproto, const char *table, const char *set);
-NFTSetContext* nft_set_context_free_many(NFTSetContext *s, size_t *n);
-int config_parse_nft_set_context(
- const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- NFTSetContext **nft_set_context,
- size_t *n);
-
-const char *nfproto_to_string(int i) _const_;
-int nfproto_from_string(const char *s) _pure_;
-
-int nft_set_element_add_in_addr(
- const NFTSetContext *nft_set_context,
- int af,
- const union in_addr_union *address,
- unsigned int prefixlen);
-int nft_set_element_del_in_addr(
- const NFTSetContext *nft_set_context,
- int af,
- const union in_addr_union *address,
- unsigned int prefixlen);
-
-int nft_set_element_add_uint32(const NFTSetContext *nft_set_context, uint32_t element);
-int nft_set_element_del_uint32(const NFTSetContext *nft_set_context, uint32_t element);
-int nft_set_element_add_uint64(const NFTSetContext *nft_set_context, uint64_t element);
-int nft_set_element_del_uint64(const NFTSetContext *nft_set_context, uint64_t element);
[files('test-hmac.c')],
[files('test-sha256.c')],
-
- [files('test-nft-set.c'),
- [], [], [], '', 'manual'],
]
############################################################
+++ /dev/null
-/* SPDX-License-Identifier: LGPL-2.1-or-later */
-
-#include <assert.h>
-#include <unistd.h>
-
-#include "firewall-util.h"
-#include "in-addr-util.h"
-#include "log.h"
-#include "parse-util.h"
-#include "string-util.h"
-#include "tests.h"
-
-int main(int argc, char **argv) {
- int r;
-
- assert_se(argc == 7);
-
- test_setup_logging(LOG_DEBUG);
-
- if (getuid() != 0)
- return log_tests_skipped("not root");
-
- int nfproto;
- nfproto = nfproto_from_string(argv[2]);
- assert_se(nfproto > 0);
-
- const NFTSetContext nft_set_context = {
- .nfproto = nfproto,
- .table = argv[3],
- .set = argv[4],
- };
-
- if (streq(argv[5], "uint32")) {
- uint32_t element;
- r = safe_atou32(argv[6], &element);
- assert_se(r == 0);
-
- if (streq(argv[1], "add"))
- r = nft_set_element_add_uint32(&nft_set_context, element);
- else
- r = nft_set_element_del_uint32(&nft_set_context, element);
- assert_se(r == 0);
- } else if (streq(argv[5], "uint64")) {
- uint64_t element;
- r = safe_atou64(argv[6], &element);
- assert_se(r == 0);
-
- if (streq(argv[1], "add"))
- r = nft_set_element_add_uint64(&nft_set_context, element);
- else
- r = nft_set_element_del_uint64(&nft_set_context, element);
- assert_se(r == 0);
- } else {
- union in_addr_union addr;
- int af;
- unsigned char prefixlen;
-
- r = in_addr_prefix_from_string_auto(argv[6], &af, &addr, &prefixlen);
- assert_se(r == 0);
-
- if (streq(argv[1], "add"))
- r = nft_set_element_add_in_addr(&nft_set_context, af, &addr, prefixlen);
- else
- r = nft_set_element_del_in_addr(&nft_set_context, af, &addr, prefixlen);
- assert_se(r == 0);
- }
-
- return 0;
-}
FallbackLeaseLifetimeSec=
Use6RD=
NetLabel=
-NFTSet=
[DHCPv6]
UseAddress=
UseDelegatedPrefix=
DUIDType=
DUIDRawData=
NetLabel=
-NFTSet=
[DHCPv6PrefixDelegation]
SubnetId=
Announce=
Token=
RouteMetric=
NetLabel=
-NFTSet=
[Route]
Destination=
Protocol=
DHCPPrefixDelegation=
BatmanAdvanced=
IPoIB=
-IPv4NFTSet=
-IPv6NFTSet=
[IPv6Prefix]
Prefix=
OnLink=
OtherInformation=
UplinkInterface=
NetLabel=
-NFTSet=
[IPv6PrefixDelegation]
RouterPreference=
DNSLifetimeSec=
CapabilityBoundingSet=
ConfigurationDirectory=
ConfigurationDirectoryMode=
-ControlGroupNFTSet=
CoredumpFilter=
DefaultMemoryLow=
DefaultMemoryMin=
DirectoryMode=
DisableControllers=
DynamicUser=
-DynamicUserNFTSet=
Environment=
EnvironmentFile=
ExecPaths=
BlockIOReadBandwidth=
BlockIOWeight=
BlockIOWriteBandwidth=
-ControlGroupNFTSet=
CPUAccounting=
CPUQuota=
CPUQuotaPeriodSec=
ConditionUser=
ConditionVirtualization=
Conflicts=
-ControlGroupNFTSet=
DefaultDependencies=
Description=
Documentation=
DevicePolicy=
DisableControllers=
DynamicUser=
-DynamicUserNFTSet=
Environment=
EnvironmentFile=
ExecCondition=
BlockIOReadBandwidth=
BlockIOWeight=
BlockIOWriteBandwidth=
-ControlGroupNFTSet=
CPUAccounting=
CPUQuota=
CPUQuotaPeriodSec=
CapabilityBoundingSet=
ConfigurationDirectory=
ConfigurationDirectoryMode=
-ControlGroupNFTSet=
CoredumpFilter=
DefaultMemoryLow=
DefaultMemoryMin=
DirectoryMode=
DisableControllers=
DynamicUser=
-DynamicUserNFTSet=
Environment=
EnvironmentFile=
ExecPaths=
CapabilityBoundingSet=
ConfigurationDirectory=
ConfigurationDirectoryMode=
-ControlGroupNFTSet=
CoredumpFilter=
DefaultMemoryLow=
DefaultMemoryMin=
DevicePolicy=
DisableControllers=
DynamicUser=
-DynamicUserNFTSet=
Environment=
EnvironmentFile=
ExecPaths=