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We realized we made some mistakes with the directive ordering, so we're making some minor adjustments.
`abort` and `error` don't really make sense to be after other handler directives, because you would expect to be able to "fail-fast" and throw an error before falling through to some `file_server` or `respond` typically. So we're moving them up to just before `respond`, i.e. before the common handler directives.
This is also more consistent with our existing examples in the docs, which actually didn't work due to the directive ordering. See https://caddyserver.com/docs/caddyfile/directives/error#examples
Also, `push` doesn't quite make sense to be after `handle`/`route`, since its job is to read from response headers to push additional resources if necessary, and `handle`/`route` may be terminal so push would not be reached if it was declared outside those. And also, it would make sense to be _before_ `templates` because a template _could_ add a `Link` header to the response dynamically.
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Some new users mistakenly try to define two sites without braces around each. Doing this can yield a confusing error message saying that their site address is an "unknown directive".
We can do better by keeping track of whether the current site block was parsed with or without a brace, then changing the error message later based on that.
For example, now this invalid config:
```
foo.example.com
respond "foo"
bar.example.com
respond "bar"
```
Will yield this error message:
```
$ caddy adapt
2021/08/22 19:21:31.028 INFO using adjacent Caddyfile
adapt: Caddyfile:4: unrecognized directive: bar.example.com
Did you mean to define a second site? If so, you must use curly braces around each site to separate their configurations.
```
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* httpcaddyfile: Add shortcut for proxy hostport placeholder
I've noticed that it's a pretty common pattern to write a proxy like this, when needing to proxy over HTTPS:
```
reverse_proxy https://example.com {
header_up Host {http.reverse_proxy.upstream.hostport}
}
```
I find it pretty hard to remember the exact placeholder to use for this, and I continually need to refer to the docs when I need it. I think a simple fix for this is to add another Caddyfile placeholder for this one to shorten it:
```
reverse_proxy https://example.com {
header_up Host {proxy_hostport}
}
```
* Switch the shortcut name
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* httpcaddyfile: ensure hosts to skip can always be collected
Previously, some hosts that should be skipped in logging would
be missed as the current logic would only collect them after
encountering the first server that would log. This change makes sure
the ServerLogConfig is initialized before iterating over the server
blocks.
* httpcaddyfile: add test case for skip hosts behavior
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If an email is specified in global options, a site called 'localhost' shouldn't be bunched together with public DNS names in the automation policies, which get the default, public-CA issuers. Fix old test that did this.
I also noticed that these two:
localhost {
}
example.com {
}
and
localhost, example.com {
}
produce slightly different TLS automation policies. The former is what the new test case covers, and we have logic that removes the empty automation policy for localhost so that auto-HTTPS can implicitly create one. (We prefer that whenever possible.) But the latter case produces two automation policies, with the second one being for localhost, with an explicit internal issuer. It's not wrong, just more explicit than it needs to be.
I'd really like to completely rewrite the code from scratch that generates automation policies, hopefully there is a simpler, more correct algorithm.
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In the Caddyfile, hosts specified for HTTP sockets (either scheme is "http" or it is on the HTTP port) should not be used as subjects in TLS automation policies (APs).
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(#4192)
* Added preferred_chains option to Caddyfile
* Caddyfile adapt tests for preferred_chains
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Fixes https://github.com/caddyserver/caddy/issues/4002
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Also fix a previous test that asserted incorrect behavior.
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See https://caddyserver.com/docs/json/apps/http/#grace_period
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* reverseproxy: Add `handle_response` blocks to `reverse_proxy` (#3710)
* reverseproxy: complete handle_response test
* reverseproxy: Change handle_response matchers to use named matchers
reverseproxy: Add support for changing status code
* fastcgi: Remove obsolete TODO
We already have d.Err("transport already specified") in the reverse_proxy parsing code which covers this case
* reverseproxy: Fix support for "4xx" type status codes
* Apply suggestions from code review
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
* caddyhttp: Reorganize response matchers
* reverseproxy: Reintroduce caddyfile.Unmarshaler
* reverseproxy: Add comment mentioning Finalize should be called
Co-authored-by: Maxime Soulé <btik-git@scoubidou.com>
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
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Followup to https://github.com/caddyserver/caddy/commit/42b7134ffa3bf3e9e86514c82407979c2627a5ab
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* httpcaddyfile: Fix unexpectedly removed policy
When user set on_demand tls option in a catch-all (:443) policy,
we expect other policies to not have the on_demand enabled
See ex in tls_automation_policies_5.txt
Btw, we can remove policies if they are **all** empty.
* Update caddyconfig/httpcaddyfile/tlsapp.go
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
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* httpcaddyfile: Add reproduce test
* httpcaddyfile: Don't allow `i` to go below zero
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* httpcaddyfile: Add `error` directive for the existing handler
* httpcaddyfile: Move `error` to the end of the order
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This change is aimed at enhancing the logging module within the
Caddyfile directive to allow users to configure logs other than the HTTP
access log stream, which is the current capability of the Caddyfile [1].
The intent here is to leverage the same syntax as the server log
directive at a global level, so that similar customizations can be added
without needing to resort to a JSON-based configuration.
Discussion for this approach happened in the referenced issue.
Closes https://github.com/caddyserver/caddy/issues/3958
[1] https://caddyserver.com/docs/caddyfile/directives/log
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A site block that has a catch-all and the shortest address is now sorted better.
https://caddy.community/t/caddy-suddenly-directs-my-site-to-the-wrong-directive/11597/2
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Fixes a bug introduced in #3862
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Allows conveniently setting the resolvers for the DNS challenge using a TLS subdirective, which applies to default issuers, rather than having to explicitly define the issuers and overwrite the defaults.
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The HTTP Caddyfile adapter can now configure the PKI app, and the acme_server directive can now be used to specify a custom CA used for issuing certificates. More customization options can follow later as needed.
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If `tls <email>` is used, we should apply that to all applicable default issuers, not drop them. This refactoring applies implicit ACME issuer settings from the tls directive to all default ACME issuers, like ZeroSSL.
We also consolidate some annoying logic and improve config validity checks.
Ref: https://caddy.community/t/error-obtaining-certificate-after-caddy-restart/11335/8
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* Fix html redir code, improve flow
* Fix integer check error and add tests
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* caddyhttp: Implement handler abort; new 'abort' directive (close #3871)
* Move abort directive ordering; clean up redirects
Seems logical for the end-all of handlers to go at the... end.
The Connection header no longer needs to be set there, since Close is
true, and the static_response handler now does that.
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This is probably an invasive change, but existing tests continue to pass.
It seems to make sense this way. There is likely an edge case I haven't
considered.
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Allows user to disable OCSP stapling (including support in the Caddyfile via the ocsp_stapling global option) or overriding responder URLs. Useful in environments where responders are not reachable due to firewalls.
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This changes the signature of UnmarshalGlobalFunc but this is probably OK since it's only used by this repo as far as we know.
We need this change in order to "remember" the previous value in case a global option appears more than once, which is now a possibility with the cert_issuer option since Caddy now supports multiple issuers in the order defined by the user.
Bonus: the issuer subdirective of tls now supports one-liner for "acme" when all you need to set is the directory:
issuer acme <dir>
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* caddytls: add 'key_type' subdirective
* Suggested change
* *string -> string
* test
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Eliminates a fair amount of repeated code
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* caddyfile: Introduce basic linting and fmt check
This will help encourage people to keep their Caddyfiles tidy.
* Remove unrelated tests
I am not sure that testing the output of warnings here is quite the
right idea; these tests are just for syntax and parsing success.
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* httpcaddyfile: First pass at implementing server options
* httpcaddyfile: Add listener wrapper support
* httpcaddyfile: Sort sbaddrs to make adapt output more deterministic
* httpcaddyfile: Add server options adapt tests
* httpcaddyfile: Windows line endings lol
* caddytest: More windows line endings lol (sorry Matt)
* Update caddyconfig/httpcaddyfile/serveroptions.go
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
* httpcaddyfile: Reword listener address "matcher"
* Apply suggestions from code review
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
* httpcaddyfile: Deprecate experimental_http3 option (moved to servers)
* httpcaddyfile: Remove validation step, no longer needed
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
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* ci: Use golangci's github action for linting
Signed-off-by: Dave Henderson <dhenderson@gmail.com>
* Fix most of the staticcheck lint errors
Signed-off-by: Dave Henderson <dhenderson@gmail.com>
* Fix the prealloc lint errors
Signed-off-by: Dave Henderson <dhenderson@gmail.com>
* Fix the misspell lint errors
Signed-off-by: Dave Henderson <dhenderson@gmail.com>
* Fix the varcheck lint errors
Signed-off-by: Dave Henderson <dhenderson@gmail.com>
* Fix the errcheck lint errors
Signed-off-by: Dave Henderson <dhenderson@gmail.com>
* Fix the bodyclose lint errors
Signed-off-by: Dave Henderson <dhenderson@gmail.com>
* Fix the deadcode lint errors
Signed-off-by: Dave Henderson <dhenderson@gmail.com>
* Fix the unused lint errors
Signed-off-by: Dave Henderson <dhenderson@gmail.com>
* Fix the gosec lint errors
Signed-off-by: Dave Henderson <dhenderson@gmail.com>
* Fix the gosimple lint errors
Signed-off-by: Dave Henderson <dhenderson@gmail.com>
* Fix the ineffassign lint errors
Signed-off-by: Dave Henderson <dhenderson@gmail.com>
* Fix the staticcheck lint errors
Signed-off-by: Dave Henderson <dhenderson@gmail.com>
* Revert the misspell change, use a neutral English
Signed-off-by: Dave Henderson <dhenderson@gmail.com>
* Remove broken golangci-lint CI job
Signed-off-by: Dave Henderson <dhenderson@gmail.com>
* Re-add errantly-removed weakrand initialization
Signed-off-by: Dave Henderson <dhenderson@gmail.com>
* don't break the loop and return
* Removing extra handling for null rootKey
* unignore RegisterModule/RegisterAdapter
Co-authored-by: Mohammed Al Sahaf <msaa1990@gmail.com>
* single-line log message
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
* Fix lint after a1808b0dbf209c615e438a496d257ce5e3acdce2 was merged
Signed-off-by: Dave Henderson <dhenderson@gmail.com>
* Revert ticker change, ignore it instead
Signed-off-by: Dave Henderson <dhenderson@gmail.com>
* Ignore some of the write errors
Signed-off-by: Dave Henderson <dhenderson@gmail.com>
* Remove blank line
Signed-off-by: Dave Henderson <dhenderson@gmail.com>
* Use lifetime
Signed-off-by: Dave Henderson <dhenderson@gmail.com>
* close immediately
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
* Preallocate configVals
Signed-off-by: Dave Henderson <dhenderson@gmail.com>
* Update modules/caddytls/distributedstek/distributedstek.go
Co-authored-by: Mohammed Al Sahaf <msaa1990@gmail.com>
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
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* implement default values for header directive
closes #3804
* remove `set_default` header op and rely on "require" handler instead
This has the following advantages over the previous attempt:
- It does not introduce a new operation for headers, but rather nicely
extends over an existing feature in the header handler.
- It removes the need to specify the header as "deferred" because it is
already implicitely deferred by the use of the require handler. This
should be less confusing to the user.
* add integration test for header directive in caddyfile
* bubble up errors when parsing caddyfile header directive
* don't export unnecessarily and don't canonicalize headers unnecessarily
* fix response headers not passed in blocks
* caddyfile: fix clash when using default header in block
Each header is now set in a separate handler so that it doesn't clash
with other headers set/added/deleted in the same block.
* caddyhttp: New idle_timeout default of 5m
* reverseproxy: fix random hangs on http/2 requests with server push (#3875)
see https://github.com/golang/go/issues/42534
* Refactor and cleanup with improvements
* More specific link
Co-authored-by: Matthew Holt <mholt@users.noreply.github.com>
Co-authored-by: Денис Телюх <telyukh.denis@gmail.com>
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* Add Caddyfile support for request_body:
```
request_body {
max_size 10000000
}
```
* Improve Caddyfile parser for request_body module
* Remove unnecessary `continue`
* Add sample for caddyfile_adapt_test
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* caddytls: Support multiple issuers
Defaults are Let's Encrypt and ZeroSSL.
There are probably bugs.
* Commit updated integration tests, d'oh
* Update go.mod
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Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
Co-authored-by: Francis Lavoie <lavofr@gmail.com>
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* httpcaddyfile: Revise automation policy generation
This should fix a frustrating edge case where wildcard subjects are
used, which potentially get shadowed by more specific versions of
themselves; see the new tests for an example. This change is motivated
by an actual customer requirement.
Although all the tests pass, this logic is incredibly complex and
nuanced, and I'm worried it is not correct. But it took me about 4 days
to get this far on a solution. I did my best.
* Fix typo
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We have users that have site blocks like *.*.tld with on-demand TLS
enabled. While *.*.tld does not qualify for a publicly-trusted cert due
to its wildcards, On-Demand TLS does not actually obtain a cert with
those wildcards, since it uses the actual hostname on the handshake.
This improves on that logic, but I am still not 100% satisfied with the
result since I think we need to also check if another site block is more
specific, like foo.example.tld, which might not have on-demand TLS
enabled, and make sure an automation policy gets created before the
more general policy with on-demand...
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Fixes #3745
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Signed-off-by: Dave Henderson <dhenderson@gmail.com>
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