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Nick Hill c2144c44a3 net/dns/resolver: update (*forwarder).forwardWithDestChan to always return an error unless it sends a response to responseChan ... We currently have two executions paths where (*forwarder).forwardWithDestChan returns nil, rather than an error, without sending a DNS response to responseChan. These paths are accompanied by a comment that reads: // Returning an error will cause an internal retry, there is // nothing we can do if parsing failed. Just drop the packet. But it is not (or no longer longer) accurate: returning an error from forwardWithDestChan does not currently cause a retry. Moreover, although these paths are currently unreachable due to implementation details, if (*forwarder).forwardWithDestChan were to return nil without sending a response to responseChan, it would cause a deadlock at one call site and a panic at another. Therefore, we update (*forwarder).forwardWithDestChan to return errors in those two paths and remove comments that were no longer accurate and misleading. Updates #cleanup Updates #13571 Signed-off-by: Nick Hill <mykola.khyl@gmail.com>		2 years ago
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publicdns	net/dns/publicdns: remove additional information in DOH URL passed to IPv6 address generation for controlD.	2 years ago
recursive	all: use Go 1.22 range-over-int	2 years ago
resolvconffile	clientupdate, net/dns: fix some "tailsacle" typos	2 years ago
resolver	net/dns/resolver: update (*forwarder).forwardWithDestChan to always return an error unless it sends a response to responseChan	2 years ago
config.go	all: add test for package comments, fix, add comments as needed	2 years ago
debian_resolvconf.go	all: update copyright and license headers	3 years ago
direct.go	net/dns: ensure /etc/resolv.conf is world-readable even with a umask	2 years ago
direct_linux.go	net/dns: updated gonotify dependency to v2 that supports closable context	2 years ago
direct_notlinux.go	all: update copyright and license headers	3 years 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	2 years 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	cli: implement `tailscale dns status` (#13353)	2 years ago
manager_darwin.go	net/dns: support GetBaseConfig on Darwin OSS tailscaled (#13351)	2 years ago
manager_default.go	various: create a catch-all NRPT rule when "Override local DNS" is enabled on Windows	2 years ago
manager_freebsd.go	various: create a catch-all NRPT rule when "Override local DNS" is enabled on Windows	2 years ago
manager_linux.go	various: create a catch-all NRPT rule when "Override local DNS" is enabled on Windows	2 years ago
manager_linux_test.go	net/dns: ensure /etc/resolv.conf is world-readable even with a umask	2 years ago
manager_openbsd.go	various: create a catch-all NRPT rule when "Override local DNS" is enabled on Windows	2 years ago
manager_tcp_test.go	net/dns, health: raise health warning for failing forwarded DNS queries (#12888)	2 years ago
manager_test.go	net/dns: ensure multiple hosts with the same IP address are combined into a single HostEntry	2 years ago
manager_windows.go	net/dns: disable DNS registration for Tailscale interface on Windows	2 years ago
manager_windows_test.go	util/winutil/gp, net/dns: add package for Group Policy API	2 years ago
nm.go	all: cleanup unused code, part 2 (#10670)	2 years 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	2 years ago
openresolv.go	net/dns: log more info when openresolv commands fail	2 years ago
osconfig.go	net/dns: fix IsZero and Equal methods on OSConfig	2 years ago
osconfig_test.go	net/dns: fix IsZero and Equal methods on OSConfig	2 years ago
resolvconf-workaround.sh	all: update copyright and license headers	3 years ago
resolvconf.go	net/dns: properly detect newer debian resolvconf	3 years ago
resolvconfpath_default.go	net/dns: overwrite /tmp/resolv.conf on gokrazy	3 years ago
resolvconfpath_gokrazy.go	net/dns: overwrite /tmp/resolv.conf on gokrazy	3 years ago
resolvd.go	all: update copyright and license headers	3 years ago
resolved.go	health, all: remove health.Global, finish plumbing health.Tracker	2 years 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: ensure /etc/resolv.conf is world-readable even with a umask	2 years ago