LWP HTTPS GET上的連接失敗或“證書驗證失敗”

Question

我昨天在Perl Monks上發布了此問題，但它對嘗試過此問題的每個人都有效（請參閱http://www.perlmonks.org/?node_id=909968 ）。 但是，我使用了另一個URL，希望可以簡化問題。

我正在嘗試通過HTTPS連接到api.betfair.com，並且它們具有有效的證書，該證書已經在瀏覽器中進行了驗證。 我正在運行ubuntu，並且有2個版本的Perl。 5.10.0可以正常運行的系統，而通過perlbrew安裝的5.14.0則無法運行。 代碼是：

use LWP::UserAgent; 
use strict;
use warnings;

#$ENV{HTTPS_CA_FILE} = "/usr/share/ca-certificates/cacert.org/cacert.org.crt";

my $ua  = LWP::UserAgent->new; 
my $req = HTTP::Request->new(GET => 'https://api.betfair.com');
my $res = $ua->request($req);

print $res->headers_as_string;
print $res->content;

在Perl 5.10.0系統下運行它，可以正常工作，我得到：

Date: Fri, 17 Jun 2011 08:33:04 GMT
Accept-Ranges: bytes
ETag: W/"0-1307353787000"
Content-Length: 0
Content-Type: text/html
Last-Modified: Mon, 06 Jun 2011 09:49:47 GMT
Client-Date: Fri, 17 Jun 2011 08:33:04 GMT
Client-Peer: 84.20.200.10:443
Client-Response-Num: 1
Client-SSL-Cert-Issuer: /C=US/O=VeriSign, Inc./OU=VeriSign Trust Network/OU=Terms of use at https://www.verisign.com/rpa (c)09/CN=VeriSign Class 3 Secure Server CA - G2
Client-SSL-Cert-Subject: /C=GB/ST=London/L=London/O=The Sporting Exchange Ltd/OU=IS/OU=Terms of use at www.verisign.com/rpa (c)05/CN=*.betfair.com
Client-SSL-Cipher: RC4-MD5
Set-Cookie: NSC_mc-80-qvcbqj.efgbvmu=ffffffff09208c5545525d5f4f58455e445a4a4229a0;expires=Fri, 17-Jun-2011 20:33:05 GMT;path=/;httponly

在Perl 5.14.0下運行它我得到： 內容類型：text / plain客戶端日期：2011年6月17日星期五，格林尼治標准時間客戶端警告：內部響應無法連接到api.betfair.com:443

\n

如果取消注釋HTTPS_CA_FILE的設置並在5.14.0中重新運行，則會得到：

Content-Type: text/plain
Client-Date: Fri, 17 Jun 2011 08:35:09 GMT
Client-Warning: Internal response
Can't connect to api.betfair.com:443 (certificate verify failed)

LWP::Protocol::https::Socket: SSL connect attempt failed with unknown errorerror:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed at /home/martin/perl5/perlbrew/perls/perl-5.14.0/lib/site_perl/5.14.0/LWP/Protocol/http.pm line 51.

我在版本20110409上安裝了Mozilla :: CA。Mozilla :: CA :: SSL_ca_file（）返回“ /home/martin/perl5/perlbrew/perls/perl-5.14.0/lib/site_perl/5.14.0/Mozilla/CA /cacert.pem”，並且該目錄存在並可供我讀取。 我在Perl 5.14.0中使用LWP 6.02，在Perl 5.10.0中使用5.836。 我讀到設置HTTPS_DEBUG = 1應該輸出一些調試信息，但是（僅對我而言）使用Perl 5.10.0而不是5.14.0時才這樣做。

無論如何，我都不是SSL專家，但是我嘗試了一些發現的事情，它們只會使我更加困惑：

openssl verify -verbose -CAfile /home/martin/perl5/perlbrew/perls/perl-5.14.0/lib/site_perl/5.14.0/Mozilla/CA/cacert.pem < /dev/null
unable to load certificate
10888:error:0906D06C:PEM routines:PEM_read_bio:no start line:pem_lib.c:647:Expecting: TRUSTED CERTIFICATE

openssl s_client -CAfile /usr/local/share/perl/5.10.0/Mozilla/CA/cacert.pem -connect api.betfair.com:443 < /dev/null
CONNECTED(00000003)
depth=1 /C=US/O=VeriSign, Inc./OU=VeriSign Trust Network/OU=Terms of use at https://www.verisign.com/rpa (c)09/CN=VeriSign Class 3 Secure Server CA - G2
verify error:num=20:unable to get local issuer certificate
verify return:0
---
Certificate chain
 0 s:/C=GB/ST=London/L=London/O=The Sporting Exchange Ltd/OU=IS/OU=Terms of use at www.verisign.com/rpa (c)05/CN=*.betfair.com
   i:/C=US/O=VeriSign, Inc./OU=VeriSign Trust Network/OU=Terms of use at https://www.verisign.com/rpa (c)09/CN=VeriSign Class 3 Secure Server CA - G2
 1 s:/C=US/O=VeriSign, Inc./OU=VeriSign Trust Network/OU=Terms of use at https://www.verisign.com/rpa (c)09/CN=VeriSign Class 3 Secure Server CA - G2
   i:/C=US/O=VeriSign, Inc./OU=Class 3 Public Primary Certification Authority - G2/OU=(c) 1998 VeriSign, Inc. - For authorized use only/OU=VeriSign Trust Network
---
Server certificate
-----BEGIN CERTIFICATE-----
certificate snipped
sg==
-----END CERTIFICATE-----
subject=/C=GB/ST=London/L=London/O=The Sporting Exchange Ltd/OU=IS/OU=Terms of use at www.verisign.com/rpa (c)05/CN=*.betfair.com
issuer=/C=US/O=VeriSign, Inc./OU=VeriSign Trust Network/OU=Terms of use at https://www.verisign.com/rpa (c)09/CN=VeriSign Class 3 Secure Server CA - G2
---
No client certificate CA names sent
---
SSL handshake has read 3068 bytes and written 303 bytes
---
New, TLSv1/SSLv3, Cipher is RC4-MD5
Server public key is 1024 bit
Secure Renegotiation IS NOT supported
Compression: NONE
Expansion: NONE
SSL-Session:
    Protocol  : TLSv1
    Cipher    : RC4-MD5
    Session-ID: 81802384A47AF45D2D809A2D10041A4E0B4B4DD821507569216A199ED467B207
    Session-ID-ctx: 
    Master-Key: 50DEC11CD2FA57E9BFA95B0156905D2717A79F333A2028FCCCB0F1C32A6B35202A958CEF24D3D2332A00CDCD158B40FB
    Key-Arg   : None
    Start Time: 1308304989
    Timeout   : 300 (sec)
    Verify return code: 20 (unable to get local issuer certificate)
---
DONE

更新：我以為是因為設置了PERL_UNICODE = SAL，但是取消設置並不能解決問題。

更新：版本：Linux ubuntu 10.10代號maverick openssl 0.9.80（我相信我的ubuntu發行版是最新的

Answer 1

$ openssl s_client -connect api.betfair.com:443 < /dev/null > api.betfair.com.pem
$ openssl x509 -in api.betfair.com.pem -issuer_hash
eb99629b

好吧，whaddayasay，它是我之前在其他人面前見過的相同的愚蠢中間證書0xeb99629b，請參閱上面的評論以獲取詳細信息和獲取方法。

出於好奇，您正在運行哪個版本的OpenSSL和ca證書？ 您的系統版本/供應商是什么？