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tailscale/net/dns
Claus Lensbøl 8085324449
net/dns: retrample resolve.conf when another process has trampled it
When using the resolve.conf file for setting DNS, it is possible that
some other services will trample the file and overwrite our set DNS
server. Experiments has shown this to be a racy error depending on how
quickly processes start.

Make an attempt to trample back the file a limited number of times if
the file is changed.

Updates #16635

Signed-off-by: Claus Lensbøl <claus@tailscale.com>
2 days ago
..
publicdns feature/featuretags: add option to turn off DNS 2 months ago
resolvconffile clientupdate, net/dns: fix some "tailsacle" typos 2 years ago
resolver syncs: add Mutex/RWMutex alias/wrappers for future mutex debugging 2 weeks ago
config.go net/dns, wgengine: use viewer/cloner for Config 2 months ago
dbus.go net/dns, feature/featuretags: make NetworkManager, systemd-resolved, and DBus modular 2 months ago
debian_resolvconf.go net/dns: don't link dbus, gonotify on Android 7 months ago
direct.go net/dns: retrample resolve.conf when another process has trampled it 2 days ago
direct_linux_test.go net/dns: retrample resolve.conf when another process has trampled it 2 days ago
direct_test.go clientupdate, net/dns: fix some "tailsacle" typos 2 years ago
direct_unix_test.go net/dns: ensure /etc/resolv.conf is world-readable even with a umask 1 year ago
dns_clone.go net/dns, wgengine: use viewer/cloner for Config 2 months ago
dns_view.go net/dns, wgengine: use viewer/cloner for Config 2 months ago
flush_default.go all: update copyright and license headers 3 years ago
flush_windows.go cmd/tailscaled, net/dns, wgengine/router: start Windows child processes with DETACHED_PROCESS when I/O is being piped 2 years ago
ini.go all: update copyright and license headers 3 years ago
ini_test.go all: update copyright and license headers 3 years ago
manager.go net/dns: retrample resolve.conf when another process has trampled it 2 days ago
manager_darwin.go net/dns: retrample resolve.conf when another process has trampled it 2 days ago
manager_default.go net/dns: retrample resolve.conf when another process has trampled it 2 days ago
manager_freebsd.go net/dns: retrample resolve.conf when another process has trampled it 2 days ago
manager_linux.go net/dns: retrample resolve.conf when another process has trampled it 2 days ago
manager_linux_test.go net/dns: ensure /etc/resolv.conf is world-readable even with a umask 1 year ago
manager_openbsd.go net/dns: retrample resolve.conf when another process has trampled it 2 days ago
manager_plan9.go net/dns: retrample resolve.conf when another process has trampled it 2 days ago
manager_plan9_test.go net/dns: add Plan 9 support 8 months ago
manager_solaris.go net/dns: retrample resolve.conf when another process has trampled it 2 days ago
manager_tcp_test.go net/dns: retrample resolve.conf when another process has trampled it 2 days ago
manager_test.go net/dns: retrample resolve.conf when another process has trampled it 2 days ago
manager_windows.go net/dns: retrample resolve.conf when another process has trampled it 2 days ago
manager_windows_test.go net/dns: retrample resolve.conf when another process has trampled it 2 days ago
nm.go net/dns, feature/featuretags: make NetworkManager, systemd-resolved, and DBus modular 2 months ago
noop.go all: update copyright and license headers 3 years ago
nrpt_windows.go util/winutil/gp, net/dns: add package for Group Policy API 1 year ago
openresolv.go net/dns: don't link dbus, gonotify on Android 7 months ago
osconfig.go feature/featuretags: add option to turn off DNS 2 months ago
osconfig_test.go net/dns: fix IsZero and Equal methods on OSConfig 1 year ago
resolvconf-workaround.sh all: update copyright and license headers 3 years ago
resolvconf.go net/dns: properly detect newer debian resolvconf 2 years ago
resolvconfpath_default.go net/dns: overwrite /tmp/resolv.conf on gokrazy 2 years ago
resolvconfpath_gokrazy.go net/dns: overwrite /tmp/resolv.conf on gokrazy 2 years ago
resolvd.go net/dns: fix blank lines being added to resolv.conf on OpenBSD (#13928) 1 year ago
resolved.go util/backoff: rename logtail/backoff package to util/backoff 2 months ago
utf.go all: update copyright and license headers 3 years ago
utf_test.go all: update copyright and license headers 3 years ago
wsl_windows.go net/dns: retrample resolve.conf when another process has trampled it 2 days ago