When TS_LOG_TARGET is set to an invalid URL, url.Parse returns an error
and nil pointer, which caused a panic when accessing u.Host.
Now we check the error from url.Parse and log a helpful message while
falling back to the default log host.
Fixes#17792
Signed-off-by: Andrew Dunham <andrew@tailscale.com>
This makes sure that the log target override is respected even if a
custom HTTP client is passed to logpolicy.
Updates tailscale/maple#29
Signed-off-by: Anton Tolchanov <anton@tailscale.com>
This updates all source files to use a new standard header for copyright
and license declaration. Notably, copyright no longer includes a date,
and we now use the standard SPDX-License-Identifier header.
This commit was done almost entirely mechanically with perl, and then
some minimal manual fixes.
Updates #6865
Signed-off-by: Will Norris <will@tailscale.com>
