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network/link: Match - filter on kernel cmdline, host and virt

This commit is contained in:
Tom Gundersen 2014-02-20 19:39:49 +01:00
parent b77c08e06b
commit 2cc412b593
8 changed files with 121 additions and 42 deletions
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57
src/network/networkd-gperf.gperf
View File

@ -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)

3
src/network/networkd-network.c
View File

@ -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)),

4
src/network/networkd.h
View File

@ -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;

54
src/shared/net-util.c
View File

@ -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,

9
src/shared/net-util.h
View File

@ -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);

31
src/udev/net/link-config-gperf.gperf
View File

@ -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)

1
src/udev/net/link-config.c
View File

@ -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)),

4
src/udev/net/link-config.h
View File

@ -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;