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Pull request: 2582 invalid hostname vol.2

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Merge in DNS/adguard-home from 2582-invalid-hostname-2 to master

Updates #2582.

Squashed commit of the following:

commit 9d3ceb289e3869b2c3d12e91ec104fb25d7931ee
Merge: 91c68e46 90054974
Author: Eugene Burkov <e.burkov@adguard.com>
Date:   Fri Mar 5 19:11:49 2021 +0300

    Merge branch 'master' into 2582-invalid-hostname-2

commit 91c68e468c5f5b12a2fb509ff391133483c9d915
Author: Eugene Burkov <e.burkov@adguard.com>
Date:   Fri Mar 5 18:28:14 2021 +0300

    all: mv trimming from home to dhcpd

commit f51faf35288577b6f610f172b26e7ac13aa24f72
Author: Eugene Burkov <e.burkov@adguard.com>
Date:   Fri Mar 5 16:28:00 2021 +0300

    home: add more host sanitizings
This commit is contained in:
Eugene Burkov
2021-03-05 19:20:36 +03:00
parent 90054974bc
commit 5aa0ca9319
3 changed files with 11 additions and 40 deletions
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13
internal/home/clients.go
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@@ -586,22 +586,9 @@ func (clients *clientsContainer) SetWhoisInfo(ip string, info [][]string) {
log.Debug("clients: set whois info for auto-client with IP %s: %q", ip, info)
}
// sanitizeHost proccesses a host to remove some special symbols causing errors.
// Logic may be expanded in the future.
func sanitizeHost(host string) (processed string) {
// cutset brings together all the deprecated sets.
//
// See https://github.com/AdguardTeam/AdGuardHome/issues/2582.
const cutset = "\x00"
return strings.TrimRight(host, cutset)
}
// AddHost adds a new IP-hostname pairing. The priorities of the sources is
// taken into account. ok is true if the pairing was added.
func (clients *clientsContainer) AddHost(ip, host string, src clientSource) (ok bool, err error) {
host = sanitizeHost(host)
clients.lock.Lock()
ok = clients.addHostLocked(ip, host, src)
clients.lock.Unlock()