summaryrefslogtreecommitdiff
path: root/vendor/github.com/vishvananda/netlink/rule_linux.go
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/github.com/vishvananda/netlink/rule_linux.go')
-rw-r--r--vendor/github.com/vishvananda/netlink/rule_linux.go66
1 files changed, 64 insertions, 2 deletions
diff --git a/vendor/github.com/vishvananda/netlink/rule_linux.go b/vendor/github.com/vishvananda/netlink/rule_linux.go
index e12569fe4..40474f30e 100644
--- a/vendor/github.com/vishvananda/netlink/rule_linux.go
+++ b/vendor/github.com/vishvananda/netlink/rule_linux.go
@@ -1,6 +1,7 @@
package netlink
import (
+ "bytes"
"fmt"
"net"
@@ -55,6 +56,9 @@ func ruleHandle(rule *Rule, req *nl.NetlinkRequest) error {
if rule.Table >= 0 && rule.Table < 256 {
msg.Table = uint8(rule.Table)
}
+ if rule.Tos != 0 {
+ msg.Tos = uint8(rule.Tos)
+ }
var dstFamily uint8
var rtAttrs []*nl.RtAttr
@@ -138,10 +142,10 @@ func ruleHandle(rule *Rule, req *nl.NetlinkRequest) error {
}
}
if rule.IifName != "" {
- req.AddData(nl.NewRtAttr(nl.FRA_IIFNAME, []byte(rule.IifName)))
+ req.AddData(nl.NewRtAttr(nl.FRA_IIFNAME, []byte(rule.IifName+"\x00")))
}
if rule.OifName != "" {
- req.AddData(nl.NewRtAttr(nl.FRA_OIFNAME, []byte(rule.OifName)))
+ req.AddData(nl.NewRtAttr(nl.FRA_OIFNAME, []byte(rule.OifName+"\x00")))
}
if rule.Goto >= 0 {
msg.Type = nl.FR_ACT_GOTO
@@ -150,6 +154,16 @@ func ruleHandle(rule *Rule, req *nl.NetlinkRequest) error {
req.AddData(nl.NewRtAttr(nl.FRA_GOTO, b))
}
+ if rule.Dport != nil {
+ b := rule.Dport.toRtAttrData()
+ req.AddData(nl.NewRtAttr(nl.FRA_DPORT_RANGE, b))
+ }
+
+ if rule.Sport != nil {
+ b := rule.Sport.toRtAttrData()
+ req.AddData(nl.NewRtAttr(nl.FRA_SPORT_RANGE, b))
+ }
+
_, err := req.Execute(unix.NETLINK_ROUTE, 0)
return err
}
@@ -163,6 +177,19 @@ func RuleList(family int) ([]Rule, error) {
// RuleList lists rules in the system.
// Equivalent to: ip rule list
func (h *Handle) RuleList(family int) ([]Rule, error) {
+ return h.RuleListFiltered(family, nil, 0)
+}
+
+// RuleListFiltered gets a list of rules in the system filtered by the
+// specified rule template `filter`.
+// Equivalent to: ip rule list
+func RuleListFiltered(family int, filter *Rule, filterMask uint64) ([]Rule, error) {
+ return pkgHandle.RuleListFiltered(family, filter, filterMask)
+}
+
+// RuleListFiltered lists rules in the system.
+// Equivalent to: ip rule list
+func (h *Handle) RuleListFiltered(family int, filter *Rule, filterMask uint64) ([]Rule, error) {
req := h.newNetlinkRequest(unix.RTM_GETRULE, unix.NLM_F_DUMP|unix.NLM_F_REQUEST)
msg := nl.NewIfInfomsg(family)
req.AddData(msg)
@@ -184,6 +211,7 @@ func (h *Handle) RuleList(family int) ([]Rule, error) {
rule := NewRule()
rule.Invert = msg.Flags&FibRuleInvert > 0
+ rule.Tos = uint(msg.Tos)
for j := range attrs {
switch attrs[j].Attr.Type {
@@ -225,10 +253,44 @@ func (h *Handle) RuleList(family int) ([]Rule, error) {
rule.Goto = int(native.Uint32(attrs[j].Value[0:4]))
case nl.FRA_PRIORITY:
rule.Priority = int(native.Uint32(attrs[j].Value[0:4]))
+ case nl.FRA_DPORT_RANGE:
+ rule.Dport = NewRulePortRange(native.Uint16(attrs[j].Value[0:2]), native.Uint16(attrs[j].Value[2:4]))
+ case nl.FRA_SPORT_RANGE:
+ rule.Sport = NewRulePortRange(native.Uint16(attrs[j].Value[0:2]), native.Uint16(attrs[j].Value[2:4]))
+ }
+ }
+
+ if filter != nil {
+ switch {
+ case filterMask&RT_FILTER_SRC != 0 &&
+ (rule.Src == nil || rule.Src.String() != filter.Src.String()):
+ continue
+ case filterMask&RT_FILTER_DST != 0 &&
+ (rule.Dst == nil || rule.Dst.String() != filter.Dst.String()):
+ continue
+ case filterMask&RT_FILTER_TABLE != 0 &&
+ filter.Table != unix.RT_TABLE_UNSPEC && rule.Table != filter.Table:
+ continue
+ case filterMask&RT_FILTER_TOS != 0 && rule.Tos != filter.Tos:
+ continue
+ case filterMask&RT_FILTER_PRIORITY != 0 && rule.Priority != filter.Priority:
+ continue
+ case filterMask&RT_FILTER_MARK != 0 && rule.Mark != filter.Mark:
+ continue
+ case filterMask&RT_FILTER_MASK != 0 && rule.Mask != filter.Mask:
+ continue
}
}
+
res = append(res, *rule)
}
return res, nil
}
+
+func (pr *RulePortRange) toRtAttrData() []byte {
+ b := [][]byte{make([]byte, 2), make([]byte, 2)}
+ native.PutUint16(b[0], pr.Start)
+ native.PutUint16(b[1], pr.End)
+ return bytes.Join(b, []byte{})
+}