finally merge the rest of the patchset from Arnaud Ebalard

with the CRL and Issuers options for https, thanks! (Closes: #485963)

debian/changelog

@@ -45,6 +45,9 @@ apt (0.7.26) UNRELEASED; urgency=low
   * methods/gpgv.cc:
     - pass all keyrings (TrustedParts) to gpgv instead of
       using only one trusted.gpg keyring (Closes: #304846)
+  * methods/https.cc:
+    - finally merge the rest of the patchset from Arnaud Ebalard
+      with the CRL and Issuers options, thanks! (Closes: #485963)
 
  -- Michael Vogt <mvo@debian.org>  Thu, 10 Dec 2009 22:02:38 +0100
 

doc/examples/apt-https-method-example.conf

@@ -36,6 +36,8 @@
       to access its content.
     - The certificate presented by both server have (as expected) a CN that
       matches their respective DNS names.
+    - We have CRL available for both dom1.tld and dom2.tld PKI, and intend
+      to use them.
     - It somtimes happens that we had other more generic https available
       repository to our list. We want the checks to be performed against
       a common list of anchors (like the one provided by ca-certificates
@@ -56,10 +58,13 @@ Acquire::https::CaInfo     "/etc/ssl/certs/ca-certificates.pem";
 // Use a specific anchor and associated CRL. Enforce issuer of
 // server certificate using its cert.
 Acquire::https::secure.dom1.tld::CaInfo     "/etc/apt/certs/ca-dom1-crt.pem";
+Acquire::https::secure.dom1.tld::CrlFile    "/etc/apt/certs/ca-dom1-crl.pem";
+Acquire::https::secure.dom1.tld::IssuerCert "/etc/apt/certs/secure.dom1-issuer-crt.pem";
 
 // Like previous for anchor and CRL, but also provide our
 // certificate and keys for client authentication.
 Acquire::https::secure.dom2.tld::CaInfo  "/etc/apt/certs/ca-dom2-crt.pem";
+Acquire::https::secure.dom2.tld::CrlFile "/etc/apt/certs/ca-dom2-crl.pem";
 Acquire::https::secure.dom2.tld::SslCert "/etc/apt/certs/my-crt.pem";
 Acquire::https::secure.dom2.tld::SslKey  "/etc/apt/certs/my-key.pem";
 
@@ -97,6 +102,22 @@ Acquire::https::secure.dom2.tld::SslKey  "/etc/apt/certs/my-key.pem";
     used for the https entries in the sources.list file that use that
     repository (with the same name).
 
+  Acquire::https[::repo.domain.tld]::CrlFile  "/path/to/all/crl.pem";
+
+    Like previous knob but for passing the list of CRL files (in PEM
+    format) to be used to verify revocation status. Again, if the
+    option is defined with no specific mirror (probably makes little
+    sense), this CRL information is used for all defined https entries
+    in sources.list file. In a mirror specific context, it only applies
+    to that mirror.
+
+  Acquire::https[::repo.domain.tld]::IssuerCert "/path/to/issuer/cert.pem";
+
+    Allows to constrain the issuer of the server certificate (for all
+    https mirrors or a specific one) to a specific issuer. If the
+    server certificate has not been issued by this certificate,
+    connection fails.
+
   Acquire::https[::repo.domain.tld]::Verify-Peer "true";
 
     When authenticating the server, if the certificate verification fails

methods/https.cc

@@ -151,6 +151,13 @@ bool HttpsMethod::Fetch(FetchItem *Itm)
       default_verify = 0;
    curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, verify);
 
+   // Also enforce issuer of server certificate using its cert
+   string issuercert = _config->Find("Acquire::https::IssuerCert","");
+   knob = "Acquire::https::"+remotehost+"::IssuerCert";
+   issuercert = _config->Find(knob.c_str(),issuercert.c_str());
+   if(issuercert != "")
+      curl_easy_setopt(curl, CURLOPT_ISSUERCERT,issuercert.c_str());
+
    // For client authentication, certificate file ...
    string pem = _config->Find("Acquire::https::SslCert","");
    knob = "Acquire::https::"+remotehost+"::SslCert";
@@ -177,6 +184,13 @@ bool HttpsMethod::Fetch(FetchItem *Itm)
      final_version = CURL_SSLVERSION_SSLv3;
    curl_easy_setopt(curl, CURLOPT_SSLVERSION, final_version);
 
+   // CRL file
+   string crlfile = _config->Find("Acquire::https::CrlFile","");
+   knob = "Acquire::https::"+remotehost+"::CrlFile";
+   crlfile = _config->Find(knob.c_str(),crlfile.c_str());
+   if(crlfile != "")
+      curl_easy_setopt(curl, CURLOPT_CRLFILE, crlfile.c_str());
+
    // cache-control
    if(_config->FindB("Acquire::https::No-Cache",
 	_config->FindB("Acquire::http::No-Cache",false)) == false)