如何修复curl:(35)无法与对等方安全通信:没有通用的加密算法

Question

我试图访问和下载使用的一些.torrent文件.但没有任何反应,给出https://torrage.comphp curlcurl_error($ch)

$ch = curl_init ('https://torrage.com/torrent/640FE84C613C17F663551D218689A64E8AEBEABE.torrent');
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0');
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_VERBOSE,true);
$data = curl_exec($ch);
$error = curl_error($ch);
curl_close ($ch);
echo $error;

这给了.

Cannot communicate securely with peer: no common encryption algorithm(s).

如果我尝试像这样的shell

[root@prod1 yum.repos.d]# curl -I https://torrage.com
curl: (35) Cannot communicate securely with peer: no common encryption algorithm(s).

在详细模式下

[root@prod1 yum.repos.d]# curl -v https://torrage.com
* Rebuilt URL to: https://torrage.com/
*   Trying 81.17.30.48...
* Connected to torrage.com (81.17.30.48) port 443 (#0)
* Initializing NSS with certpath: sql:/etc/pki/nssdb
*   CAfile: /etc/pki/tls/certs/ca-bundle.crt
  CApath: none
* NSS error -12286 (SSL_ERROR_NO_CYPHER_OVERLAP)
* Cannot communicate securely with peer: no common encryption algorithm(s).
* Closing connection 0
curl: (35) Cannot communicate securely with peer: no common encryption algorithm(s).

系统信息centos 7. x86_64

[root@prod1 yum.repos.d]# uname -a
Linux prod1.localdomain 3.10.0-229.4.2.el7.x86_64 #1 SMP Wed May 13 10:06:09 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

卷曲版

[root@prod1 yum.repos.d]# curl -V
curl 7.29.0 (x86_64-redhat-linux-gnu)

openssl,已修补.

[root@prod1 yum.repos.d]# openssl version -a
OpenSSL 1.0.1e-fips 11 Feb 2013
built on: Mon Jun 15 18:39:20 UTC 2015
platform: linux-x86_64
options:  bn(64,64) md2(int) rc4(16x,int) des(idx,cisc,16,int) idea(int) blowfish(idx)
compiler: gcc -fPIC -DOPENSSL_PIC -DZLIB -DOPENSSL_THREADS -D_REENTRANT -DDSO_DLFCN -DHAVE_DLFCN_H -DKRB5_MIT -m64 -DL_ENDIAN -DTERMIO -Wall -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches   -m64 -mtune=generic -Wa,--noexecstack -DPURIFY -DOPENSSL_IA32_SSE2 -DOPENSSL_BN_ASM_MONT -DOPENSSL_BN_ASM_MONT5 -DOPENSSL_BN_ASM_GF2m -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM -DMD5_ASM -DAES_ASM -DVPAES_ASM -DBSAES_ASM -DWHIRLPOOL_ASM -DGHASH_ASM
OPENSSLDIR: "/etc/pki/tls"
engines:  dynamic

验证openssl是否打补丁.

[root@prod1 yum.repos.d]# rpm -q --changelog openssl | grep CVE-2014-0224
- fix CVE-2014-0224 fix that broke EAP-FAST session resumption support
- fix CVE-2014-0224 - SSL/TLS MITM vulnerability

---

我尝试过的:

1)我尝试过使用HTTPS的HTTP,但网站强制使用HTTPS.例如

[root@prod1 yum.repos.d]# curl -I http://torrage.com
HTTP/1.1 301 Moved Permanently
Server: nginx/1.9.0
Date: Mon, 29 Jun 2015 04:13:17 GMT
Content-Type: text/html
Content-Length: 184
Connection: keep-alive
Location: https://torrage.com/

2)更新ca-bundle.crt

cp /etc/pki/tls/certs/ca-bundle.crt /root/backup/
curl http://curl.haxx.se/ca/cacert.pem -o /etc/pki/tls/certs/ca-bundle.crt

3)将Curl更新到最新版本7.43.0

nano /etc/yum.repos.d/city-fan-for-curl.repo

有了这个回购.

[CityFanforCurl]
name=City Fan Repo
baseurl=http://www.city-fan.org/ftp/contrib/yum-repo/rhel7/x86_64/
enabled=0
gpgcheck=0

然后做

yum update curl --enablerepo=CityFanforCurl

然后验证卷曲版本

[root@prod1 yum.repos.d]# curl -V
curl 7.43.0 (x86_64-redhat-linux-gnu) libcurl/7.43.0 NSS/3.18 Basic ECC zlib/1.2.7 libidn/1.28 libssh2/1.6.0
Protocols: dict file ftp ftps gopher http https imap imaps ldap ldaps pop3 pop3s rtsp scp sftp smb smbs smtp smtps telnet tftp
Features: AsynchDNS IDN IPv6 Largefile GSS-API Kerberos SPNEGO NTLM NTLM_WB SSL libz UnixSockets Metalink

4)我试过这个来检查我的卷曲是否过时.

参考:https://unix.stackexchange.com/questions/162816/disable-sslv3-in-curl

[root@prod1 yum.repos.d]# curl -1IsS --ciphers ecdhe_ecdsa_aes_128_sha https://sslspdy.com
HTTP/1.1 200 OK
Server: nginx centminmod
Content-Type: text/html; charset=utf-8
Connection: close
Vary: Accept-Encoding
Strict-Transport-Security: max-age=31536000; includeSubdomains
Date: Mon, 12 Jan 1970 23:00:11 GMT
X-Page-Speed: ngx_pagespeed
Cache-Control: max-age=0, no-cache

---

我该如何解决这个问题？并从Torrage.com下载文件PHP Curl？

*我不能使用file_get_contents,因为我curl_multi用于同时下载.

---

更新1:

正如steffen-ullrich所建议的那样

[root@prod1 randoadmin]# curl --ciphers ecdhe_rsa_aes_128_gcm_sha_256 -I https://torrage.com
HTTP/1.1 200 OK
Server: nginx/1.9.0
Date: Mon, 29 Jun 2015 05:54:17 GMT
Content-Type: text/html; charset=UTF-8
Connection: keep-alive
Expires: Mon, 26 Jul 1997 05:00:00 GMT
Last-Modified: Mon, 29 Jun 2015 05:50:40 GMT
Cache-Control: no-store, no-cache, must-revalidate
Cache-Control: post-check=0, pre-check=0
Pragma: no-cache
Vary: Accept-Encoding, Accept-Encoding
Strict-Transport-Security: max-age=31536000
X-Frame-Options: DENY
X-Content-Type-Options: nosniff

但那有shell的我怎么能实现它PHP-curl？

更新2:

我修改了代码并定义了使用curl时使用的密码.

$ch = curl_init ('https://torrage.com/torrent/640FE84C613C17F663551D218689A64E8AEBEABE.torrent');
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0');
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_SSL_CIPHER_LIST, 'ecdhe_rsa_aes_128_gcm_sha_256');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_VERBOSE,true);
$data = curl_exec($ch);
$error = curl_error($ch);
curl_close ($ch);
echo $error;
echo $data ;

它工作得很好.问题解决了很多,谢谢steffen-ullrich.

Answer 1

服务器仅支持ECC密码(ECDHE-*).curl的版本是使用Redhat/CentOS上的NSS库构建的.有一个错误报告,默认情况下 Redhat/CentOS会覆盖curl设置并禁用ECC密码.因为客户端没有提供ECC密码,但服务器只支持ECC密码,连接将失败.

您可能会尝试明确地给出密码,即

curl --ciphers ecdhe_rsa_aes_128_gcm_sha_256 ...

请注意,升级OpenSSL无济于事,因为curl不是使用OpenSSL后端构建的.此外,它无助于禁用证书验证(无论如何都是坏主意)或更改根CA,因为问题根本与证书验证无关.

尝试明确地将密码--ciphers ecdhe_ecdsa_aes_128_sha作为解密问题的密码进入正确的方向,但在这种情况下无效,因为这不是服务器支持的密码之一.服务器仅支持各种ECDHE-RSA-*密码,但不支持ECDHE-ECDSA-*密码.有关详细信息,请参阅SSLLabs.

Answer 2

如果你在CentOS 7上并且在使用yum时遇到这些错误,更新nss nss-util nss-sysinit nss-tools将解决它.