GNU bug report logs -
#37371
CMake’s “ctest” doesn’t know about X.509 certificates
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bug#37371
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(Tue, 10 Sep 2019 15:38:03 GMT)
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Ludovic Courtès <ludovic.courtes <at> inria.fr>
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(Tue, 10 Sep 2019 15:38:04 GMT)
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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):
Hello,
The ‘ctest’ command uses libcurl to submit reports to CDash servers.
However, it does not “getenv” anything related to CA certs, and it does
not either look at /etc/ssl/certs.
The culprit is this function:
--8<---------------cut here---------------start------------->8---
std::string cmCurlSetCAInfo(::CURL* curl, const char* cafile)
{
std::string e;
if (cafile && *cafile) {
::CURLcode res = ::curl_easy_setopt(curl, CURLOPT_CAINFO, cafile);
check_curl_result(res, "Unable to set TLS/SSL Verify CAINFO: ");
}
#ifdef CMAKE_FIND_CAFILE
# define CMAKE_CAFILE_FEDORA "/etc/pki/tls/certs/ca-bundle.crt"
else if (cmSystemTools::FileExists(CMAKE_CAFILE_FEDORA, true)) {
::CURLcode res =
::curl_easy_setopt(curl, CURLOPT_CAINFO, CMAKE_CAFILE_FEDORA);
check_curl_result(res, "Unable to set TLS/SSL Verify CAINFO: ");
}
# undef CMAKE_CAFILE_FEDORA
else {
# define CMAKE_CAFILE_COMMON "/etc/ssl/certs/ca-certificates.crt"
if (cmSystemTools::FileExists(CMAKE_CAFILE_COMMON, true)) {
::CURLcode res =
::curl_easy_setopt(curl, CURLOPT_CAINFO, CMAKE_CAFILE_COMMON);
check_curl_result(res, "Unable to set TLS/SSL Verify CAINFO: ");
}
# undef CMAKE_CAFILE_COMMON
# define CMAKE_CAPATH_COMMON "/etc/ssl/certs"
if (cmSystemTools::FileIsDirectory(CMAKE_CAPATH_COMMON)) {
::CURLcode res =
::curl_easy_setopt(curl, CURLOPT_CAPATH, CMAKE_CAPATH_COMMON);
check_curl_result(res, "Unable to set TLS/SSL Verify CAPATH: ");
}
# undef CMAKE_CAPATH_COMMON
}
#endif
return e;
}
--8<---------------cut here---------------end--------------->8---
The problem is that ‘CMAKE_FIND_CAFILE’ is undefined in our case:
--8<---------------cut here---------------start------------->8---
#if !defined(CMAKE_USE_SYSTEM_CURL) && !defined(_WIN32) && \
!defined(__APPLE__) && !defined(CURL_CA_BUNDLE) && !defined(CURL_CA_PATH)
# define CMAKE_FIND_CAFILE
# include "cmSystemTools.h"
#endif
--8<---------------cut here---------------end--------------->8---
Thus it doesn’t look for certificates *at all*, and eventually fails
with:
--8<---------------cut here---------------start------------->8---
Error when uploading file: …
Error message was: server certificate verification failed. CAfile: none CRLfile: none
Problems when submitting via HTTP
Errors while running CTest
--8<---------------cut here---------------end--------------->8---
For now I propose to provide a patched ‘cmake’ package that does the
right thing.
On #guix, Tobias also rightfully suggested adding a ‘getenv’ call
directly in libcurl, which may be the better long-term solution (though
it’s unclear whether that could interfere with application logic.)
Ludo’.
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bug#37371
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(Tue, 10 Sep 2019 16:36:01 GMT)
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Message #8 received at 37371 <at> debbugs.gnu.org (full text, mbox):
Ludovic Courtès <ludovic.courtes <at> inria.fr> writes:
> The ‘ctest’ command uses libcurl to submit reports to CDash servers.
> However, it does not “getenv” anything related to CA certs, and it does
> not either look at /etc/ssl/certs.
[…]
>
> For now I propose to provide a patched ‘cmake’ package that does the
> right thing.
This is the correct way, in my opinion. The user of libcurl is supposed
to handle environment variable lookup.
> On #guix, Tobias also rightfully suggested adding a ‘getenv’ call
> directly in libcurl, which may be the better long-term solution (though
> it’s unclear whether that could interfere with application logic.)
This idea has been around for a pretty long time. I don’t really like
it, but it would solve so many problems where users of libcurl don’t do
env var lookups and fall back to the default, which is not guaranteed to
exist when using Guix on foreign distros or even on Guix System.
--
Ricardo
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bug#37371
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(Tue, 10 Sep 2019 17:06:01 GMT)
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Message #11 received at 37371 <at> debbugs.gnu.org (full text, mbox):
[Message part 1 (text/plain, inline)]
Ricardo,
Ricardo Wurmus 写道:
> This is the correct way, in my opinion. The user of libcurl is
> supposed
> to handle environment variable lookup.
I'm aware of this, but it seems like some users don't do this.
>> On #guix, Tobias also rightfully suggested adding a ‘getenv’
>> call
>> directly in libcurl, which may be the better long-term solution
>> (though
>> it’s unclear whether that could interfere with application
>> logic.)
>
> This idea has been around for a pretty long time. I don’t
> really like
> it, but it would solve so many problems where users of libcurl
> don’t do
> env var lookups and fall back to the default, which is not
> guaranteed to
> exist when using Guix on foreign distros or even on Guix System.
Yeah, I explicitly said it was evil ;-)
I don't ‘like’ it either, but don't know enough about libcurl to
think of a better solution.
Kind regards,
T G-R
[signature.asc (application/pgp-signature, inline)]
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Ludovic Courtès <ludo <at> gnu.org>
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You have taken responsibility.
(Tue, 10 Sep 2019 22:14:02 GMT)
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Notification sent
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Ludovic Courtès <ludovic.courtes <at> inria.fr>
:
bug acknowledged by developer.
(Tue, 10 Sep 2019 22:14:02 GMT)
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Message #16 received at 37371-done <at> debbugs.gnu.org (full text, mbox):
Hello,
Tobias Geerinckx-Rice <me <at> tobias.gr> skribis:
> Ricardo Wurmus 写道:
>> This is the correct way, in my opinion. The user of libcurl is
>> supposed
>> to handle environment variable lookup.
>
> I'm aware of this, but it seems like some users don't do this.
I’ve pushed this as 489d16577e4a6ccc30f3719d9263900089edd842.
We can revisit the libcurl issue later on (as we regularly do :-)).
Thanks for your feedback,
Ludo’.
bug archived.
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(Wed, 09 Oct 2019 11:24:06 GMT)
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This bug report was last modified 4 years and 198 days ago.
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