void/amneziawg-go
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more refined boundary checks

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Signed-off-by: Mark Puha <marko10@inf.elte.hu>
This commit is contained in:
Mark Puha 2023-09-03 13:43:44 +02:00
parent e6fdad372b
commit 84cb7b4b61
1 changed files with 18 additions and 7 deletions
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25
cfg/cfg_def.go
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@ -4,6 +4,9 @@ import "log"
func init() {
if IsAdvancedSecurityOn() {
if JunkPacketCount < 0 {
log.Fatalf("JunkPacketCount should be non negative")
}
if JunkPacketMaxSize <= JunkPacketMinSize {
log.Fatalf(
"MaxSize: %d; should be greater than MinSize: %d",
@ -11,31 +14,39 @@ func init() {
JunkPacketMinSize,
)
}
if JunkPacketCount < 0 {
log.Fatalf("JunkPacketCount should be non negative")
}
const MaxSegmentSize = 2048 - 32
if JunkPacketMaxSize >= MaxSegmentSize {
log.Fatalf(
"JunkPacketMaxSize: %d; should be smaller than maxSegmentSize: %d",
JunkPacketMaxSize,
MaxSegmentSize,
)
}
if 148+InitPacketJunkSize >= MaxSegmentSize {
log.Fatalf(
"init packets should be smaller than maxSegmentSize: %d",
"init header size(148) + junkSize:%d; should be smaller than maxSegmentSize: %d",
InitPacketJunkSize,
MaxSegmentSize,
)
}
if 92+ResponsePacketJunkSize >= MaxSegmentSize {
log.Fatalf(
"response packets should be smaller than maxSegmentSize: %d",
"response header size(92) + junkSize:%d; should be smaller than maxSegmentSize: %d",
ResponsePacketJunkSize,
MaxSegmentSize,
)
}
if 64+UnderLoadPacketJunkSize >= MaxSegmentSize {
log.Fatalf(
"underload packets should be smaller than maxSegmentSize: %d",
"underload packet size(64) + junkSize:%d; should be smaller than maxSegmentSize: %d",
UnderLoadPacketJunkSize,
MaxSegmentSize,
)
}
if 32+TransportPacketJunkSize >= MaxSegmentSize {
log.Fatalf(
"transport packets should be smaller than maxSegmentSize: %d",
"transport packet size(32) + junkSize:%d should be smaller than maxSegmentSize: %d",
TransportPacketJunkSize,
MaxSegmentSize,
)
}