mirror of https://github.com/subgraph/fw-daemon
xSmurf
8 years ago
parent
4b632fb6f2
commit
5d4b38c5b4
@ -0,0 +1,112 @@
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package sgfw
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import (
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"strings"
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)
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const (
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STR_REDACTED = "[redacted]"
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STR_UNKNOWN = "[uknown]"
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)
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type RuleAction uint16
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const (
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RULE_ACTION_DENY RuleAction = iota
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RULE_ACTION_ALLOW
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)
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var RuleActionString = map[RuleAction]string {
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RULE_ACTION_DENY: "DENY",
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RULE_ACTION_ALLOW: "ALLOW",
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}
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var RuleActionValue = map[string]RuleAction {
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"DENY": RULE_ACTION_DENY,
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"ALLOW": RULE_ACTION_ALLOW,
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}
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type RuleMode uint16
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const (
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RULE_MODE_SESSION RuleMode = iota
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RULE_MODE_PERMANENT
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RULE_MODE_SYSTEM
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)
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var RuleModeString = map[RuleMode]string {
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RULE_MODE_SESSION: "SESSION",
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RULE_MODE_PERMANENT: "PERMANENT",
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RULE_MODE_SYSTEM: "SYSTEM",
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}
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var RuleModeValue = map[string]RuleMode {
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"SESSION": RULE_MODE_SESSION,
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"PERMANENT": RULE_MODE_PERMANENT,
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"SYSTEM": RULE_MODE_SYSTEM,
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}
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type FilterScope uint16
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const (
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APPLY_ONCE FilterScope = iota
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APPLY_SESSION
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APPLY_FOREVER
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)
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var FilterScopeString = map[FilterScope]string {
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APPLY_ONCE: "ONCE",
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APPLY_SESSION: "SESSION",
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APPLY_FOREVER: "FOREVER",
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}
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var FilterScopeValue = map[string]FilterScope {
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"ONCE": APPLY_ONCE,
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"SESSION": APPLY_SESSION,
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"FOREVER": APPLY_FOREVER,
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}
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func GetFilterScopeString(scope FilterScope) string {
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if val, ok := FilterScopeString[scope]; ok {
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return val
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}
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return FilterScopeString[APPLY_SESSION]
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}
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func GetFilterScopeValue(scope string) FilterScope {
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scope = strings.ToUpper(scope)
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if val, ok := FilterScopeValue[scope]; ok {
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return val
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}
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return APPLY_SESSION
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}
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type FilterResult uint16
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const (
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FILTER_DENY FilterResult = iota
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FILTER_ALLOW
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FILTER_PROMPT
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)
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var FilterResultString = map[FilterResult]string{
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FILTER_DENY: "DENY",
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FILTER_ALLOW: "ALLOW",
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FILTER_PROMPT: "PROMPT",
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}
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var FilterResultValue = map[string]FilterResult {
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"DENY": FILTER_DENY,
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"ALLOW": FILTER_ALLOW,
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"PROMPT": FILTER_PROMPT,
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}
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type DbusRule struct {
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Id uint32
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App string
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Path string
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Verb uint16
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Target string
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Mode uint16
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}
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@ -0,0 +1,54 @@
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package sgfw
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import (
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"os"
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"syscall"
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"unsafe"
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"github.com/op/go-logging"
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)
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var LevelToId = map[int32]string{
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int32(logging.ERROR): "error",
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int32(logging.WARNING): "warning",
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int32(logging.NOTICE): "notice",
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int32(logging.INFO): "info",
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int32(logging.DEBUG): "debug",
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}
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var IdToLevel = func() map[string]int32 {
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m := make(map[string]int32)
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for k, v := range LevelToId {
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m[v] = k
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}
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return m
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}()
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var log = logging.MustGetLogger("sgfw")
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var logFormat = logging.MustStringFormatter(
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"%{level:.4s} %{id:03x} %{message}",
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)
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var ttyFormat = logging.MustStringFormatter(
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"%{color}%{time:15:04:05} ▶ %{level:.4s} %{id:03x}%{color:reset} %{message}",
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)
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const ioctlReadTermios = 0x5401
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func isTerminal(fd int) bool {
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var termios syscall.Termios
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_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
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return err == 0
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}
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func setupLoggerBackend(lvl logging.Level) logging.LeveledBackend {
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format := logFormat
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if isTerminal(int(os.Stderr.Fd())) {
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format = ttyFormat
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}
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backend := logging.NewLogBackend(os.Stderr, "", 0)
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formatter := logging.NewBackendFormatter(backend, format)
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leveler := logging.AddModuleLevel(formatter)
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leveler.SetLevel(lvl, "sgfw")
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return leveler
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}
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