diff options
| author | Dan Peterson <dpiddy@gmail.com> | 2016-07-13 10:35:35 -0600 |
|---|---|---|
| committer | Matthew Dempsky <mdempsky@google.com> | 2016-08-17 15:20:24 +0000 |
| commit | 2f73fe7a0db269dcbe51e372809032fa52b8c68c (patch) | |
| tree | 4e6e8026071d50cb9820e4574240885d7327e3e6 /src/net/dnsconfig_unix.go | |
| parent | 04e76f295f434bf1bd5ef3b01eed42b638a8b321 (diff) | |
| download | go-git-2f73fe7a0db269dcbe51e372809032fa52b8c68c.tar.gz | |
net: use libresolv rules for ndots range and validation
BIND libresolv allows values from 0 to 15.
For invalid values and negative numbers, 0 is used.
For numbers greater than 15, 15 is used.
Fixes #15419
Change-Id: I1009bc119c3e87919bcb55a80a35532e9fc3ba52
Reviewed-on: https://go-review.googlesource.com/24901
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Diffstat (limited to 'src/net/dnsconfig_unix.go')
| -rw-r--r-- | src/net/dnsconfig_unix.go | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/net/dnsconfig_unix.go b/src/net/dnsconfig_unix.go index b885813722..683ae71812 100644 --- a/src/net/dnsconfig_unix.go +++ b/src/net/dnsconfig_unix.go @@ -92,8 +92,10 @@ func dnsReadConfig(filename string) *dnsConfig { switch { case hasPrefix(s, "ndots:"): n, _, _ := dtoi(s[6:]) - if n < 1 { - n = 1 + if n < 0 { + n = 0 + } else if n > 15 { + n = 15 } conf.ndots = n case hasPrefix(s, "timeout:"): |