CalvinBackup/ctrld
1
0
Fork 0
mirror of https://github.com/Control-D-Inc/ctrld.git synced 2026-02-03 22:18:39 +00:00
Code Issues Packages Projects Releases Wiki Activity

Check msg is not nil before access Question field

Browse Source
This commit is contained in:
Cuong Manh Le
2023-04-29 13:21:57 +07:00
committed by Cuong Manh Le
parent b267572b38
commit 704bc27dba
3 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
doq.go
View File

@@ -23,7 +23,7 @@ func (r *doqResolver) Resolve(ctx context.Context, msg *dns.Msg) (*dns.Msg, erro
ip := r.uc.BootstrapIP
if ip == "" {
dnsTyp := uint16(0)
if len(msg.Question) > 0 {
if msg != nil && len(msg.Question) > 0 {
dnsTyp = msg.Question[0].Qtype
}
ip = r.uc.bootstrapIPForDNSType(dnsTyp)

2
dot.go
View File

@@ -20,7 +20,7 @@ func (r *dotResolver) Resolve(ctx context.Context, msg *dns.Msg) (*dns.Msg, erro
// regardless of the machine DNS status.
dialer := newDialer(net.JoinHostPort(bootstrapDNS, "53"))
dnsTyp := uint16(0)
if len(msg.Question) > 0 {
if msg != nil && len(msg.Question) > 0 {
dnsTyp = msg.Question[0].Qtype
}

2
resolver.go
View File

@@ -117,7 +117,7 @@ func (r *legacyResolver) Resolve(ctx context.Context, msg *dns.Msg) (*dns.Msg, e
// See comment in (*dotResolver).resolve method.
dialer := newDialer(net.JoinHostPort(bootstrapDNS, "53"))
dnsTyp := uint16(0)
if len(msg.Question) > 0 {
if msg != nil && len(msg.Question) > 0 {
dnsTyp = msg.Question[0].Qtype
}
_, udpNet := r.uc.netForDNSType(dnsTyp)