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Pull request: 4927-ddr-ip-san

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Merge in DNS/adguard-home from 4927-ddr-ip-san to master

Updates #4927.

Squashed commit of the following:

commit 92e7498a7a9101648c4cfdf719adf4eb135fc903
Merge: f4770abf fa0fd90d
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Wed Nov 2 14:29:08 2022 +0300

    Merge branch 'master' into 4927-ddr-ip-san

commit f4770abf98ea2c0db2f0c2ddb9509a29a06c9509
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Wed Nov 2 13:50:40 2022 +0300

    dnsforward: imp logs

commit 8d71371365070e221e104ae20acc8312e840eff9
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Tue Nov 1 20:57:43 2022 +0300

    all: imp code, docs

commit 9793820f2c581e0ffcb28a59677be5c8df0c43f3
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Tue Nov 1 19:37:39 2022 +0300

    all: remember the cert props
This commit is contained in:
Eugene Burkov
2022-11-02 14:37:41 +03:00
parent fa0fd90ddd
commit c139287787
6 changed files with 82 additions and 68 deletions
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20
internal/home/tls.go
View File

@@ -13,7 +13,6 @@ import (
"encoding/pem"
"fmt"
"net/http"
"net/netip"
"os"
"strings"
"sync"
@@ -21,6 +20,7 @@ import (
"github.com/AdguardTeam/AdGuardHome/internal/aghalg"
"github.com/AdguardTeam/AdGuardHome/internal/aghhttp"
"github.com/AdguardTeam/AdGuardHome/internal/aghtls"
"github.com/AdguardTeam/AdGuardHome/internal/dnsforward"
"github.com/AdguardTeam/golibs/errors"
"github.com/AdguardTeam/golibs/log"
@@ -513,22 +513,6 @@ func validateCertChain(certs []*x509.Certificate, srvName string) (err error) {
return nil
}
// certHasIP returns true if cert has at least a single IP address either in its
// DNS names or in the IP addresses section.
func certHasIP(cert *x509.Certificate) (ok bool) {
if len(cert.IPAddresses) > 0 {
return true
}
for _, name := range cert.DNSNames {
if _, err := netip.ParseAddr(name); err == nil {
return true
}
}
return false
}
// parseCertChain parses the certificate chain from raw data, and returns it.
// If ok is true, the returned error, if any, is not critical.
func parseCertChain(chain []byte) (parsedCerts []*x509.Certificate, ok bool, err error) {
@@ -550,7 +534,7 @@ func parseCertChain(chain []byte) (parsedCerts []*x509.Certificate, ok bool, err
log.Info("tls: number of certs: %d", len(parsedCerts))
if !certHasIP(parsedCerts[0]) {
if !aghtls.CertificateHasIP(parsedCerts[0]) {
err = errors.Error(`certificate has no IP addresses` +
`, this may cause issues with DNS-over-TLS clients`)
}