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authorTom Gundersen <teg@jklm.no>2014-02-20 19:39:49 +0100
committerTom Gundersen <teg@jklm.no>2014-02-20 21:50:34 +0100
commit2cc412b59353576cece2d5b30c6a39c70552f0a0 (patch)
treedc8257a5b09b0ceca44ddda74d9df20f825e9842
parentb77c08e06b67d5b1dd8aaf67b732e93851d8ae43 (diff)
network/link: Match - filter on kernel cmdline, host and virt
-rw-r--r--src/network/networkd-gperf.gperf57
-rw-r--r--src/network/networkd-network.c3
-rw-r--r--src/network/networkd.h4
-rw-r--r--src/shared/net-util.c54
-rw-r--r--src/shared/net-util.h9
-rw-r--r--src/udev/net/link-config-gperf.gperf31
-rw-r--r--src/udev/net/link-config.c1
-rw-r--r--src/udev/net/link-config.h4
8 files changed, 121 insertions, 42 deletions
diff --git a/src/network/networkd-gperf.gperf b/src/network/networkd-gperf.gperf
index ecc5ca0bab..cfffb3321d 100644
--- a/src/network/networkd-gperf.gperf
+++ b/src/network/networkd-gperf.gperf
@@ -15,30 +15,33 @@ struct ConfigPerfItem;
%struct-type
%includes
%%
-Match.MACAddress, config_parse_hwaddr, 0, offsetof(Network, match_mac)
-Match.Path, config_parse_string, 0, offsetof(Network, match_path)
-Match.Driver, config_parse_string, 0, offsetof(Network, match_driver)
-Match.Type, config_parse_string, 0, offsetof(Network, match_type)
-Match.Name, config_parse_ifname, 0, offsetof(Network, match_name)
-Network.Description, config_parse_string, 0, offsetof(Network, description)
-Network.Bridge, config_parse_bridge, 0, offsetof(Network, bridge)
-Network.Bond, config_parse_bond, 0, offsetof(Network, bond)
-Network.VLAN, config_parse_vlan, 0, offsetof(Network, vlans)
-Network.DHCP, config_parse_bool, 0, offsetof(Network, dhcp)
-Network.Address, config_parse_address, 0, 0
-Network.Gateway, config_parse_gateway, 0, 0
-Network.DNS, config_parse_dns, 0, offsetof(Network, dns)
-Address.Address, config_parse_address, 0, 0
-Address.Broadcast, config_parse_broadcast, 0, 0
-Address.Label, config_parse_label, 0, 0
-Route.Gateway, config_parse_gateway, 0, 0
-Route.Destination, config_parse_destination, 0, 0
-DHCPv4.UseDNS, config_parse_bool, 0, offsetof(Network, dhcp_dns)
-DHCPv4.UseMTU, config_parse_bool, 0, offsetof(Network, dhcp_mtu)
-DHCPv4.UseHostname, config_parse_bool, 0, offsetof(Network, dhcp_hostname)
-DHCPv4.UseDomainName, config_parse_bool, 0, offsetof(Network, dhcp_domainname)
-DHCPv4.CriticalConnection, config_parse_bool, 0, offsetof(Network, dhcp_critical)
-NetDev.Description, config_parse_string, 0, offsetof(NetDev, description)
-NetDev.Name, config_parse_ifname, 0, offsetof(NetDev, name)
-NetDev.Kind, config_parse_netdev_kind, 0, offsetof(NetDev, kind)
-VLAN.Id, config_parse_uint64, 0, offsetof(NetDev, vlanid)
+Match.MACAddress, config_parse_hwaddr, 0, offsetof(Network, match_mac)
+Match.Path, config_parse_string, 0, offsetof(Network, match_path)
+Match.Driver, config_parse_string, 0, offsetof(Network, match_driver)
+Match.Type, config_parse_string, 0, offsetof(Network, match_type)
+Match.Name, config_parse_ifname, 0, offsetof(Network, match_name)
+Match.Host, config_parse_net_condition, CONDITION_HOST, offsetof(Network, match_host)
+Match.Virtualization, config_parse_net_condition, CONDITION_VIRTUALIZATION, offsetof(Network, match_virt)
+Match.KernelCommandLine, config_parse_net_condition, CONDITION_KERNEL_COMMAND_LINE, offsetof(Network, match_kernel)
+Network.Description, config_parse_string, 0, offsetof(Network, description)
+Network.Bridge, config_parse_bridge, 0, offsetof(Network, bridge)
+Network.Bond, config_parse_bond, 0, offsetof(Network, bond)
+Network.VLAN, config_parse_vlan, 0, offsetof(Network, vlans)
+Network.DHCP, config_parse_bool, 0, offsetof(Network, dhcp)
+Network.Address, config_parse_address, 0, 0
+Network.Gateway, config_parse_gateway, 0, 0
+Network.DNS, config_parse_dns, 0, offsetof(Network, dns)
+Address.Address, config_parse_address, 0, 0
+Address.Broadcast, config_parse_broadcast, 0, 0
+Address.Label, config_parse_label, 0, 0
+Route.Gateway, config_parse_gateway, 0, 0
+Route.Destination, config_parse_destination, 0, 0
+DHCPv4.UseDNS, config_parse_bool, 0, offsetof(Network, dhcp_dns)
+DHCPv4.UseMTU, config_parse_bool, 0, offsetof(Network, dhcp_mtu)
+DHCPv4.UseHostname, config_parse_bool, 0, offsetof(Network, dhcp_hostname)
+DHCPv4.UseDomainName, config_parse_bool, 0, offsetof(Network, dhcp_domainname)
+DHCPv4.CriticalConnection, config_parse_bool, 0, offsetof(Network, dhcp_critical)
+NetDev.Description, config_parse_string, 0, offsetof(NetDev, description)
+NetDev.Name, config_parse_ifname, 0, offsetof(NetDev, name)
+NetDev.Kind, config_parse_netdev_kind, 0, offsetof(NetDev, kind)
+VLAN.Id, config_parse_uint64, 0, offsetof(NetDev, vlanid)
diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c
index a470c22e3d..fd1befcebf 100644
--- a/src/network/networkd-network.c
+++ b/src/network/networkd-network.c
@@ -175,7 +175,8 @@ int network_get(Manager *manager, struct udev_device *device, Network **ret) {
LIST_FOREACH(networks, network, manager->networks) {
if (net_match_config(network->match_mac, network->match_path,
network->match_driver, network->match_type,
- network->match_name,
+ network->match_name, network->match_host,
+ network->match_virt, network->match_kernel,
udev_device_get_sysattr_value(device, "address"),
udev_device_get_property_value(device, "ID_PATH"),
udev_device_get_driver(udev_device_get_parent(device)),
diff --git a/src/network/networkd.h b/src/network/networkd.h
index 5a1bf1a4ca..f16226ad7d 100644
--- a/src/network/networkd.h
+++ b/src/network/networkd.h
@@ -32,6 +32,7 @@
#include "rtnl-util.h"
#include "hashmap.h"
#include "list.h"
+#include "condition-util.h"
typedef struct NetDev NetDev;
typedef struct Network Network;
@@ -92,6 +93,9 @@ struct Network {
char *match_driver;
char *match_type;
char *match_name;
+ Condition *match_host;
+ Condition *match_virt;
+ Condition *match_kernel;
char *description;
NetDev *bridge;
diff --git a/src/shared/net-util.c b/src/shared/net-util.c
index ba21ae437f..06c50b593e 100644
--- a/src/shared/net-util.c
+++ b/src/shared/net-util.c
@@ -28,18 +28,31 @@
#include "utf8.h"
#include "util.h"
#include "conf-parser.h"
+#include "condition.h"
bool net_match_config(const struct ether_addr *match_mac,
const char *match_path,
const char *match_driver,
const char *match_type,
const char *match_name,
+ Condition *match_host,
+ Condition *match_virt,
+ Condition *match_kernel,
const char *dev_mac,
const char *dev_path,
const char *dev_driver,
const char *dev_type,
const char *dev_name) {
+ if (match_host && !condition_test_host(match_host))
+ return 0;
+
+ if (match_virt && !condition_test_virtualization(match_virt))
+ return 0;
+
+ if (match_kernel && !condition_test_kernel_command_line(match_kernel))
+ return 0;
+
if (match_mac && (!dev_mac || memcmp(match_mac, ether_aton(dev_mac), ETH_ALEN)))
return 0;
@@ -64,6 +77,47 @@ unsigned net_netmask_to_prefixlen(const struct in_addr *addr) {
return 32 - u32ctz(be32toh(addr->s_addr));
}
+int config_parse_net_condition(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) {
+
+ ConditionType cond = ltype;
+ Condition **ret = data;
+ bool negate;
+ Condition *c;
+ _cleanup_free_ char *s = NULL;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ negate = rvalue[0] == '!';
+ if (negate)
+ rvalue++;
+
+ s = strdup(rvalue);
+ if (!s)
+ return log_oom();
+
+ c = condition_new(cond, s, false, negate);
+ if (!c)
+ return log_oom();
+
+ if (*ret)
+ condition_free(*ret);
+
+ *ret = c;
+ return 0;
+}
+
int config_parse_ifname(const char *unit,
const char *filename,
unsigned line,
diff --git a/src/shared/net-util.h b/src/shared/net-util.h
index 0ec04db87e..a20b62e052 100644
--- a/src/shared/net-util.h
+++ b/src/shared/net-util.h
@@ -25,11 +25,16 @@
#include <netinet/in.h>
#include <stdbool.h>
+#include "condition-util.h"
+
bool net_match_config(const struct ether_addr *match_mac,
const char *match_path,
const char *match_driver,
const char *match_type,
const char *match_name,
+ Condition *match_host,
+ Condition *match_virt,
+ Condition *match_kernel,
const char *dev_mac,
const char *dev_path,
const char *dev_driver,
@@ -38,6 +43,10 @@ bool net_match_config(const struct ether_addr *match_mac,
unsigned net_netmask_to_prefixlen(const struct in_addr *netmask);
+int config_parse_net_condition(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_hwaddr(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/udev/net/link-config-gperf.gperf b/src/udev/net/link-config-gperf.gperf
index 950fb15286..ffc1b27a1d 100644
--- a/src/udev/net/link-config-gperf.gperf
+++ b/src/udev/net/link-config-gperf.gperf
@@ -16,17 +16,20 @@ struct ConfigPerfItem;
%struct-type
%includes
%%
-Match.MACAddress, config_parse_hwaddr, 0, offsetof(link_config, match_mac)
-Match.Path, config_parse_string, 0, offsetof(link_config, match_path)
-Match.Driver, config_parse_string, 0, offsetof(link_config, match_driver)
-Match.Type, config_parse_string, 0, offsetof(link_config, match_type)
-Link.Description, config_parse_string, 0, offsetof(link_config, description)
-Link.MACAddressPolicy, config_parse_mac_policy, 0, offsetof(link_config, mac_policy)
-Link.MACAddress, config_parse_hwaddr, 0, offsetof(link_config, mac)
-Link.NamePolicy, config_parse_name_policy, 0, offsetof(link_config, name_policy)
-Link.Name, config_parse_ifname, 0, offsetof(link_config, name)
-Link.Alias, config_parse_ifalias, 0, offsetof(link_config, alias)
-Link.MTU, config_parse_unsigned, 0, offsetof(link_config, mtu)
-Link.SpeedMBytes, config_parse_unsigned, 0, offsetof(link_config, speed)
-Link.Duplex, config_parse_duplex, 0, offsetof(link_config, duplex)
-Link.WakeOnLan, config_parse_wol, 0, offsetof(link_config, wol)
+Match.MACAddress, config_parse_hwaddr, 0, offsetof(link_config, match_mac)
+Match.Path, config_parse_string, 0, offsetof(link_config, match_path)
+Match.Driver, config_parse_string, 0, offsetof(link_config, match_driver)
+Match.Type, config_parse_string, 0, offsetof(link_config, match_type)
+Match.Host, config_parse_net_condition, CONDITION_HOST, offsetof(link_config, match_host)
+Match.Virtualization, config_parse_net_condition, CONDITION_VIRTUALIZATION, offsetof(link_config, match_virt)
+Match.KernelCommandLine, config_parse_net_condition, CONDITION_KERNEL_COMMAND_LINE, offsetof(link_config, match_kernel)
+Link.Description, config_parse_string, 0, offsetof(link_config, description)
+Link.MACAddressPolicy, config_parse_mac_policy, 0, offsetof(link_config, mac_policy)
+Link.MACAddress, config_parse_hwaddr, 0, offsetof(link_config, mac)
+Link.NamePolicy, config_parse_name_policy, 0, offsetof(link_config, name_policy)
+Link.Name, config_parse_ifname, 0, offsetof(link_config, name)
+Link.Alias, config_parse_ifalias, 0, offsetof(link_config, alias)
+Link.MTU, config_parse_unsigned, 0, offsetof(link_config, mtu)
+Link.SpeedMBytes, config_parse_unsigned, 0, offsetof(link_config, speed)
+Link.Duplex, config_parse_duplex, 0, offsetof(link_config, duplex)
+Link.WakeOnLan, config_parse_wol, 0, offsetof(link_config, wol)
diff --git a/src/udev/net/link-config.c b/src/udev/net/link-config.c
index 587eeefada..15bea4f4ca 100644
--- a/src/udev/net/link-config.c
+++ b/src/udev/net/link-config.c
@@ -242,6 +242,7 @@ int link_config_get(link_config_ctx *ctx, struct udev_device *device, link_confi
if (net_match_config(link->match_mac, link->match_path,
link->match_driver, link->match_type, NULL,
+ link->match_host, link->match_virt, link->match_kernel,
udev_device_get_sysattr_value(device, "address"),
udev_device_get_property_value(device, "ID_PATH"),
udev_device_get_driver(udev_device_get_parent(device)),
diff --git a/src/udev/net/link-config.h b/src/udev/net/link-config.h
index 4fc8963114..0dc156d401 100644
--- a/src/udev/net/link-config.h
+++ b/src/udev/net/link-config.h
@@ -23,6 +23,7 @@
#include "ethtool-util.h"
+#include "condition-util.h"
#include "libudev.h"
#include "util.h"
#include "list.h"
@@ -54,6 +55,9 @@ struct link_config {
char *match_path;
char *match_driver;
char *match_type;
+ Condition *match_host;
+ Condition *match_virt;
+ Condition *match_kernel;
char *description;
struct ether_addr *mac;