PHP :: Bug #81276 :: Using curl/libcurl with NSS backend fails to load curl extension

Bug #81276

Using curl/libcurl with NSS backend fails to load curl extension

Submitted:

2021-07-21 00:06 UTC

Modified:

2021-07-23 15:30 UTC

Votes:	1
Avg. Score:	5.0 ± 0.0
Reproduced:	1 of 1 (100.0%)
Same Version:	1 (100.0%)
Same OS:	1 (100.0%)

From:

1001malac at gmail dot com

Assigned:

Status:

Open

Package:

cURL related

PHP Version:

7.4.21

OS:

Debian 10.10

Private report:

CVE-ID:

None

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From:	1001malac at gmail dot com
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[2021-07-21 00:06 UTC] 1001malac at gmail dot com

Description:
------------
Hello!

I'm using cURL 7.64.0 with the NSS SSL backend, instead of OpenSSL. The problem I'm facing is php complains whenever it has to load the curl extension:

PHP Warning:  PHP Startup: Unable to load dynamic library 'curl.so' (tried: /usr/lib/php/20190902/curl.so (/lib/x86_64-linux-gnu/libcurl.so.4: version `CURL_OPENSSL_4' not found (required by /usr/lib/php/20190902/curl.so)), /usr/lib/php/20190902/curl.so.so (/usr/lib/php/20190902/curl.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0

Is there any way to use php's curl extension without openssl dependencies baked in? Maybe selecting the SSL backend somehow as detailed in the following link?
https://curl.se/libcurl/c/curl_global_sslset.html

Thanks!

# curl --version
curl 7.64.0 (x86_64-pc-linux-gnu) libcurl/7.64.0 NSS/3.42.1 zlib/1.2.11 brotli/1.0.7 libidn2/2.0.5 libpsl/0.20.2 (+libidn2/2.0.5) nghttp2/1.36.0
Release-Date: 2019-02-06
Protocols: file ftp ftps http https 
Features: AsynchDNS IDN IPv6 Largefile NTLM SSL libz brotli HTTP2 UnixSockets HTTPS-proxy PSL

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[2021-07-21 11:54 UTC] nikic@php.net

Can you please run ldd /usr/bin/curl to confirm that you curl binary is linked against the same libcurl.so?

The error message looks like your curl.so is borked. PHP doesn't particularly care whether your curl is linked against openssl, gnutls or nss. (We only specially handle using an old openssl version, but that should fail in a different way.)

[2021-07-22 23:34 UTC] 1001malac at gmail dot com

Here you go:

linux-vdso.so.1 (0x00007ffd799e2000)
	libargon2.so.1 => /lib/x86_64-linux-gnu/libargon2.so.1 (0x00007f678a924000)
	libresolv.so.2 => /lib/x86_64-linux-gnu/libresolv.so.2 (0x00007f678a90a000)
	librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f678a900000)
	libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f678a77d000)
	libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f678a778000)
	libxml2.so.2 => /lib/x86_64-linux-gnu/libxml2.so.2 (0x00007f678a5cd000)
	libssl.so.1.1 => /lib/x86_64-linux-gnu/libssl.so.1.1 (0x00007f678a539000)
	libcrypto.so.1.1 => /lib/x86_64-linux-gnu/libcrypto.so.1.1 (0x00007f678a250000)
	libpcre2-8.so.0 => /lib/x86_64-linux-gnu/libpcre2-8.so.0 (0x00007f678a1cb000)
	libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007f6789fad000)
	libsodium.so.23 => /lib/x86_64-linux-gnu/libsodium.so.23 (0x00007f6789f56000)
	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f6789d95000)
	libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f6789d72000)
	/lib64/ld-linux-x86-64.so.2 (0x00007f678adda000)
	libicui18n.so.63 => /lib/x86_64-linux-gnu/libicui18n.so.63 (0x00007f6789a97000)
	libicuuc.so.63 => /lib/x86_64-linux-gnu/libicuuc.so.63 (0x00007f67898c8000)
	libicudata.so.63 => /lib/x86_64-linux-gnu/libicudata.so.63 (0x00007f6787ed8000)
	liblzma.so.5 => /lib/x86_64-linux-gnu/liblzma.so.5 (0x00007f6787eb0000)
	libstdc++.so.6 => /lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f6787d2a000)
	libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f6787d10000)

[2021-07-22 23:35 UTC] 1001malac at gmail dot com

Well, forget the previous one, this is it:
	linux-vdso.so.1 (0x00007fff701f9000)
	libcurl.so.4 => /lib/x86_64-linux-gnu/libcurl.so.4 (0x00007fb7049b2000)
	libplds4.so => /lib/x86_64-linux-gnu/libplds4.so (0x00007fb7049ad000)
	libnspr4.so => /lib/x86_64-linux-gnu/libnspr4.so (0x00007fb70496c000)
	libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007fb70474e000)
	libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007fb70472d000)
	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fb70456c000)
	libnghttp2.so.14 => /lib/x86_64-linux-gnu/libnghttp2.so.14 (0x00007fb704542000)
	libidn2.so.0 => /lib/x86_64-linux-gnu/libidn2.so.0 (0x00007fb704523000)
	libpsl.so.5 => /lib/x86_64-linux-gnu/libpsl.so.5 (0x00007fb704510000)
	libnss3.so => /lib/x86_64-linux-gnu/libnss3.so (0x00007fb7043c2000)
	libnssutil3.so => /lib/x86_64-linux-gnu/libnssutil3.so (0x00007fb704390000)
	libsmime3.so => /lib/x86_64-linux-gnu/libsmime3.so (0x00007fb704361000)
	libssl3.so => /lib/x86_64-linux-gnu/libssl3.so (0x00007fb704306000)
	libplc4.so => /lib/x86_64-linux-gnu/libplc4.so (0x00007fb7042ff000)
	libbrotlidec.so.1 => /lib/x86_64-linux-gnu/libbrotlidec.so.1 (0x00007fb7042f0000)
	libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007fb7042eb000)
	librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007fb7042e1000)
	/lib64/ld-linux-x86-64.so.2 (0x00007fb704a65000)
	libunistring.so.2 => /lib/x86_64-linux-gnu/libunistring.so.2 (0x00007fb70415b000)
	libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007fb703fd8000)
	libbrotlicommon.so.1 => /lib/x86_64-linux-gnu/libbrotlicommon.so.1 (0x00007fb703fb5000)

[2021-07-23 06:05 UTC] cmb@php.net

Did you build PHP yourself, or are you using a pre-built PHP from
your distro/PPA?

[2021-07-23 15:30 UTC] 1001malac at gmail dot com

I'm running under Debian 10. 

apt-get source curl
modified the rules to my liking, removed slack, compile with debuild, install.

Only curl got recompiled. I've tried 7.3 as it's the version provided with the distro, then also tried with the semi official Sury's php 7.4 packages and it's the same.

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[2023-07-31 09:28 UTC] parkassrah34 at gmail dot com

Recompile PHP cURL Extension: You can try recompiling the PHP cURL extension using the libcurl version that's linked with NSS. Ensure that PHP and libcurl are both built with the same SSL backend.

Use PHP FPM: Another option is to use PHP-FPM with a separate PHP configuration. In the PHP-FPM configuration, you can specify the correct cURL library and link it to NSS instead of OpenSSL.

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[2023-07-31 09:59 UTC] thuongchodoisl024 at gmail dot com

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[2023-08-20 12:17 UTC] gmglobalconnectwebsite at gmail dot com

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[2023-11-29 08:46 UTC] lauryfriese932 at gmail dot com

We only specially handle using an old openssl version, but that should fail in a different way. (https://github.com)(https://candy-crush.io)

[2024-06-26 04:51 UTC] dmmnychl123 at gmail dot com

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