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Removal of the regex to replace ips

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Signed-off-by: Mingzhen Feng <fmzhen@zju.edu.cn>
This commit is contained in:
Mingzhen Feng 2015-04-16 15:09:36 +08:00
parent 527a1c4f7a
commit d35f2c27a1
1 changed files with 1 additions and 9 deletions
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10
iptables/iptables.go
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@ -5,7 +5,6 @@ import (
"fmt"
"net"
"os/exec"
"regexp"
"strconv"
"strings"
"sync"
@ -267,14 +266,7 @@ func Exists(table Table, chain string, rule ...string) bool {
ruleString := strings.Join(rule, " ")
existingRules, _ := exec.Command(iptablesPath, "-t", string(table), "-S", chain).Output()
// regex to replace ips in rule
// because MASQUERADE rule will not be exactly what was passed
re := regexp.MustCompile(`[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\/[0-9]{1,2}`)
return strings.Contains(
re.ReplaceAllString(string(existingRules), "?"),
re.ReplaceAllString(ruleString, "?"),
)
return strings.Contains(string(existingRules), ruleString)
}
// Call 'iptables' system command, passing supplied arguments