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2026-01-23all: remove AUTHORS file and references to itWill Norris6-6/+6
This file was never truly necessary and has never actually been used in the history of Tailscale's open source releases. A Brief History of AUTHORS files --- The AUTHORS file was a pattern developed at Google, originally for Chromium, then adopted by Go and a bunch of other projects. The problem was that Chromium originally had a copyright line only recognizing Google as the copyright holder. Because Google (and most open source projects) do not require copyright assignemnt for contributions, each contributor maintains their copyright. Some large corporate contributors then tried to add their own name to the copyright line in the LICENSE file or in file headers. This quickly becomes unwieldy, and puts a tremendous burden on anyone building on top of Chromium, since the license requires that they keep all copyright lines intact. The compromise was to create an AUTHORS file that would list all of the copyright holders. The LICENSE file and source file headers would then include that list by reference, listing the copyright holder as "The Chromium Authors". This also become cumbersome to simply keep the file up to date with a high rate of new contributors. Plus it's not always obvious who the copyright holder is. Sometimes it is the individual making the contribution, but many times it may be their employer. There is no way for the proejct maintainer to know. Eventually, Google changed their policy to no longer recommend trying to keep the AUTHORS file up to date proactively, and instead to only add to it when requested: https://opensource.google/docs/releasing/authors. They are also clear that: > Adding contributors to the AUTHORS file is entirely within the > project's discretion and has no implications for copyright ownership. It was primarily added to appease a small number of large contributors that insisted that they be recognized as copyright holders (which was entirely their right to do). But it's not truly necessary, and not even the most accurate way of identifying contributors and/or copyright holders. In practice, we've never added anyone to our AUTHORS file. It only lists Tailscale, so it's not really serving any purpose. It also causes confusion because Tailscalars put the "Tailscale Inc & AUTHORS" header in other open source repos which don't actually have an AUTHORS file, so it's ambiguous what that means. Instead, we just acknowledge that the contributors to Tailscale (whoever they are) are copyright holders for their individual contributions. We also have the benefit of using the DCO (developercertificate.org) which provides some additional certification of their right to make the contribution. The source file changes were purely mechanical with: git ls-files | xargs sed -i -e 's/\(Tailscale Inc &\) AUTHORS/\1 contributors/g' Updates #cleanup Change-Id: Ia101a4a3005adb9118051b3416f5a64a4a45987d Signed-off-by: Will Norris <will@tailscale.com>
2025-11-18all: rename variables with lowercase-l/uppercase-IAlex Chan1-2/+2
See http://go/no-ell Signed-off-by: Alex Chan <alexc@tailscale.com> Updates #cleanup Change-Id: I8c976b51ce7a60f06315048b1920516129cc1d5d
2025-11-17go.mod: bump golang.org/x/crypto (#17907)Andrew Lytvynov1-1/+1
Pick up a fix for https://pkg.go.dev/vuln/GO-2025-4116 (even though we're not affected). Updates #cleanup Change-Id: I9f2571b17c1f14db58ece8a5a34785805217d9dd Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
2025-06-26ipn/store: automatically migrate between plaintext and encrypted state (#16318)Andrew Lytvynov1-1/+5
Add a new `--encrypt-state` flag to `cmd/tailscaled`. Based on that flag, migrate the existing state file to/from encrypted format if needed. Updates #15830 Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
2025-01-15atomicfile: use ReplaceFile on Windows so that attributes and ACLs are preservedAaron Klotz6-3/+257
I moved the actual rename into separate, GOOS-specific files. On non-Windows, we do a simple os.Rename. On Windows, we first try ReplaceFile with a fallback to os.Rename if the target file does not exist. ReplaceFile is the recommended way to rename the file in this use case, as it preserves attributes and ACLs set on the target file. Updates #14428 Signed-off-by: Aaron Klotz <aaron@tailscale.com>
2023-04-17various: add golangci-lint, fix issues (#7905)Andrew Dunham1-1/+1
This adds an initial and intentionally minimal configuration for golang-ci, fixes the issues reported, and adds a GitHub Action to check new pull requests against this linter configuration. Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: I8f38fbc315836a19a094d0d3e986758b9313f163
2023-04-04atomicfile: use /tmp for socket path on macOSJames Tucker1-4/+13
macOS does not allow unix socket creation in private temp directories, but global /tmp is ok, so swap out for global temp for now. Updates #7658 Updates #7785 Signed-off-by: James Tucker <jftucker@gmail.com>
2023-03-31atomicfile: reject overwriting irregular filesJames Tucker2-2/+46
The intent of atomicfile is to overwrite regular files. Most use cases that would overwrite irregular files, unix sockets, named pipes, devices, and so on are more than likely misuse, so disallow them. Fixes #7658 Signed-off-by: James Tucker <james@tailscale.com>
2023-01-27all: update copyright and license headersWill Norris1-3/+2
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>
2022-09-15refactor: move from io/ioutil to io and os packagesEng Zer Jun1-2/+1
The io/ioutil package has been deprecated as of Go 1.16 [1]. This commit replaces the existing io/ioutil functions with their new definitions in io and os packages. Reference: https://golang.org/doc/go1.16#ioutil Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>
2022-08-13atomicfile: update docs to clarify behavior of argumentMaisem Ali1-1/+1
Signed-off-by: Maisem Ali <maisem@tailscale.com>
2020-07-15atomicfile: don't Chmod on windowsBrad Fitzpatrick1-2/+5
Not supported.
2020-07-14atomicfile: use ioutil.TempFile, syncBrad Fitzpatrick1-8/+24
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2020-03-17scripts: add a license header checker.David Anderson1-1/+1
Signed-off-by: David Anderson <dave@natulte.net>
2020-02-09Move Linux client & common packages into a public repo.Earl Lee1-0/+28