merged from the mvo branch

5 files changed, 130 insertions, 53 deletions

diff --git a/methods/cdrom.cc b/methods/cdrom.cc
index 4bbc01c2c..bf4281e40 100644
--- a/methods/cdrom.cc
+++ b/methods/cdrom.cc
@@ -38,7 +38,7 @@ class CDROMMethod : public pkgAcqMethod
    pkgUdevCdromDevices UdevCdroms;
  
    bool IsCorrectCD(URI want, string MountPath, string& NewID);
-   bool AutoDetectAndMount(URI, string &NewID);
+   bool AutoDetectAndMount(const URI, string &NewID);
    virtual bool Fetch(FetchItem *Itm);
    string GetID(string Name);
    virtual void Exit();
@@ -92,7 +92,7 @@ string CDROMMethod::GetID(string Name)
 // CDROMMethod::AutoDetectAndMount                                      /*{{{*/
 // ---------------------------------------------------------------------
 /* Modifies class varaiable CDROM to the mountpoint */
-bool CDROMMethod::AutoDetectAndMount(URI Get, string &NewID)
+bool CDROMMethod::AutoDetectAndMount(const URI Get, string &NewID)
 {
    vector<struct CdromDevice> v = UdevCdroms.Scan();
 
diff --git a/methods/gpgv.cc b/methods/gpgv.cc
index 150c1d315..c58e6cc45 100644
--- a/methods/gpgv.cc
+++ b/methods/gpgv.cc
@@ -1,10 +1,9 @@
 #include <apt-pkg/error.h>
 #include <apt-pkg/acquire-method.h>
 #include <apt-pkg/strutl.h>
+#include <apt-pkg/fileutl.h>
 #include <apti18n.h>
 
-#include <sys/stat.h>
-#include <unistd.h>
 #include <utime.h>
 #include <stdio.h>
 #include <fcntl.h>
@@ -45,42 +44,47 @@ string GPGVMethod::VerifyGetSigners(const char *file, const char *outfile,
 					 vector<string> &WorthlessSigners,
 					 vector<string> &NoPubKeySigners)
 {
+   bool const Debug = _config->FindB("Debug::Acquire::gpgv", false);
    // setup a (empty) stringstream for formating the return value
    std::stringstream ret;
    ret.str("");
 
-   if (_config->FindB("Debug::Acquire::gpgv", false))
-   {
-      std::cerr << "inside VerifyGetSigners" << std::endl;
-   }
+   if (Debug == true)
+      std::clog << "inside VerifyGetSigners" << std::endl;
+
    pid_t pid;
    int fd[2];
    FILE *pipein;
    int status;
-   struct stat buff;
-   string gpgvpath = _config->Find("Dir::Bin::gpg", "/usr/bin/gpgv");
-   string pubringpath = _config->Find("APT::GPGV::TrustedKeyring", "/etc/apt/trusted.gpg");
-   if (_config->FindB("Debug::Acquire::gpgv", false))
+   string const gpgvpath = _config->Find("Dir::Bin::gpg", "/usr/bin/gpgv");
+   // FIXME: remove support for deprecated APT::GPGV setting
+   string const trustedFile = _config->FindFile("Dir::Etc::Trusted",
+			_config->Find("APT::GPGV::TrustedKeyring", "/etc/apt/trusted.gpg").c_str());
+   string const trustedPath = _config->FindDir("Dir::Etc::TrustedParts", "/etc/apt/trusted.gpg.d");
+   if (Debug == true)
    {
-      std::cerr << "gpgv path: " << gpgvpath << std::endl;
-      std::cerr << "Keyring path: " << pubringpath << std::endl;
+      std::clog << "gpgv path: " << gpgvpath << std::endl;
+      std::clog << "Keyring file: " << trustedFile << std::endl;
+      std::clog << "Keyring path: " << trustedPath << std::endl;
    }
 
-   if (stat(pubringpath.c_str(), &buff) != 0) 
+   vector<string> keyrings = GetListOfFilesInDir(trustedPath, "gpg", false);
+   if (FileExists(trustedFile) == true)
+      keyrings.push_back(trustedFile);
+
+   if (keyrings.empty() == true)
    {
-      ioprintf(ret, _("Couldn't access keyring: '%s'"), strerror(errno)); 
+      // TRANSLATOR: %s is the trusted keyring parts directory
+      ioprintf(ret, _("No keyring installed in %s."), trustedPath.c_str());
       return ret.str();
    }
+
    if (pipe(fd) < 0)
-   {
       return "Couldn't create pipe";
-   }
 
    pid = fork();
    if (pid < 0)
-   {
       return string("Couldn't spawn new process") + strerror(errno);
-   }
    else if (pid == 0)
    {
       const char *Args[400];
@@ -90,8 +94,17 @@ string GPGVMethod::VerifyGetSigners(const char *file, const char *outfile,
       Args[i++] = "--status-fd";
       Args[i++] = "3";
       Args[i++] = "--ignore-time-conflict";
-      Args[i++] = "--keyring";
-      Args[i++] = pubringpath.c_str();
+      for (vector<string>::const_iterator K = keyrings.begin();
+	   K != keyrings.end(); ++K)
+      {
+	 Args[i++] = "--keyring";
+	 Args[i++] = K->c_str();
+	 // check overflow (minus a bit of extra space at the end)
+	 if(i >= sizeof(Args)/sizeof(char*)-5) {
+	    std::clog << _("E: Too many keyrings should be passed to gpgv. Exiting.") << std::endl;
+	    exit(111);
+	 }
+      }
 
       Configuration::Item const *Opts;
       Opts = _config->Tree("Acquire::gpgv::Options");
@@ -103,8 +116,9 @@ string GPGVMethod::VerifyGetSigners(const char *file, const char *outfile,
             if (Opts->Value.empty() == true)
                continue;
             Args[i++] = Opts->Value.c_str();
-	    if(i >= 395) { 
-	       std::cerr << _("E: Argument list from Acquire::gpgv::Options too long. Exiting.") << std::endl;
+	    // check overflow (minus a bit of extra space at the end)
+	    if(i >= sizeof(Args)/sizeof(char*)-5) { 
+	       std::clog << _("E: Argument list from Acquire::gpgv::Options too long. Exiting.") << std::endl;
 	       exit(111);
 	    }
          }
@@ -113,14 +127,14 @@ string GPGVMethod::VerifyGetSigners(const char *file, const char *outfile,
       Args[i++] = outfile;
       Args[i++] = NULL;
 
-      if (_config->FindB("Debug::Acquire::gpgv", false))
+      if (Debug == true)
       {
-         std::cerr << "Preparing to exec: " << gpgvpath;
+         std::clog << "Preparing to exec: " << gpgvpath;
 	 for(unsigned int j=0;Args[j] != NULL; j++)
-	    std::cerr << " " << Args[j];
-	 std::cerr << std::endl;
+	    std::clog << " " << Args[j];
+	 std::clog << std::endl;
       }
-      int nullfd = open("/dev/null", O_RDONLY);
+      int const nullfd = open("/dev/null", O_RDONLY);
       close(fd[0]);
       // Redirect output to /dev/null; we read from the status fd
       dup2(nullfd, STDOUT_FILENO); 
@@ -159,8 +173,8 @@ string GPGVMethod::VerifyGetSigners(const char *file, const char *outfile,
          break;
       *(buffer+bufferoff) = '\0';
       bufferoff = 0;
-      if (_config->FindB("Debug::Acquire::gpgv", false))
-         std::cerr << "Read: " << buffer << std::endl;
+      if (Debug == true)
+         std::clog << "Read: " << buffer << std::endl;
 
       // Push the data into three separate vectors, which
       // we later concatenate.  They're kept separate so
@@ -168,33 +182,33 @@ string GPGVMethod::VerifyGetSigners(const char *file, const char *outfile,
       // it will be better.
       if (strncmp(buffer, GNUPGBADSIG, sizeof(GNUPGBADSIG)-1) == 0)
       {
-         if (_config->FindB("Debug::Acquire::gpgv", false))
-            std::cerr << "Got BADSIG! " << std::endl;
+         if (Debug == true)
+            std::clog << "Got BADSIG! " << std::endl;
          BadSigners.push_back(string(buffer+sizeof(GNUPGPREFIX)));
       }
       
       if (strncmp(buffer, GNUPGNOPUBKEY, sizeof(GNUPGNOPUBKEY)-1) == 0)
       {
-         if (_config->FindB("Debug::Acquire::gpgv", false))
-            std::cerr << "Got NO_PUBKEY " << std::endl;
+         if (Debug == true)
+            std::clog << "Got NO_PUBKEY " << std::endl;
          NoPubKeySigners.push_back(string(buffer+sizeof(GNUPGPREFIX)));
       }
       if (strncmp(buffer, GNUPGNODATA, sizeof(GNUPGBADSIG)-1) == 0)
       {
-         if (_config->FindB("Debug::Acquire::gpgv", false))
-            std::cerr << "Got NODATA! " << std::endl;
+         if (Debug == true)
+            std::clog << "Got NODATA! " << std::endl;
          BadSigners.push_back(string(buffer+sizeof(GNUPGPREFIX)));
       }
       if (strncmp(buffer, GNUPGKEYEXPIRED, sizeof(GNUPGKEYEXPIRED)-1) == 0)
       {
-         if (_config->FindB("Debug::Acquire::gpgv", false))
-            std::cerr << "Got KEYEXPIRED! " << std::endl;
+         if (Debug == true)
+            std::clog << "Got KEYEXPIRED! " << std::endl;
          WorthlessSigners.push_back(string(buffer+sizeof(GNUPGPREFIX)));
       }
       if (strncmp(buffer, GNUPGREVKEYSIG, sizeof(GNUPGREVKEYSIG)-1) == 0)
       {
-         if (_config->FindB("Debug::Acquire::gpgv", false))
-            std::cerr << "Got REVKEYSIG! " << std::endl;
+         if (Debug == true)
+            std::clog << "Got REVKEYSIG! " << std::endl;
          WorthlessSigners.push_back(string(buffer+sizeof(GNUPGPREFIX)));
       }
       if (strncmp(buffer, GNUPGGOODSIG, sizeof(GNUPGGOODSIG)-1) == 0)
@@ -204,17 +218,17 @@ string GPGVMethod::VerifyGetSigners(const char *file, const char *outfile,
          while (*p && isxdigit(*p)) 
             p++;
          *p = 0;
-         if (_config->FindB("Debug::Acquire::gpgv", false))
-            std::cerr << "Got GOODSIG, key ID:" << sig << std::endl;
+         if (Debug == true)
+            std::clog << "Got GOODSIG, key ID:" << sig << std::endl;
          GoodSigners.push_back(string(sig));
       }
    }
    fclose(pipein);
 
    waitpid(pid, &status, 0);
-   if (_config->FindB("Debug::Acquire::gpgv", false))
+   if (Debug == true)
    {
-      std::cerr << "gpgv exited\n";
+      std::clog << "gpgv exited\n";
    }
    
    if (WEXITSTATUS(status) == 0)
@@ -305,7 +319,7 @@ bool GPGVMethod::Fetch(FetchItem *Itm)
 
    if (_config->FindB("Debug::Acquire::gpgv", false))
    {
-      std::cerr << "gpgv succeeded\n";
+      std::clog << "gpgv succeeded\n";
    }
 
    return true;
diff --git a/methods/http.cc b/methods/http.cc
index 45804656d..904030e0a 100644
--- a/methods/http.cc
+++ b/methods/http.cc
@@ -1076,7 +1076,11 @@ bool HttpMethod::Configuration(string Message)
    PipelineDepth = _config->FindI("Acquire::http::Pipeline-Depth",
 				  PipelineDepth);
    Debug = _config->FindB("Debug::Acquire::http",false);
-   
+   AutoDetectProxyCmd = _config->Find("Acquire::http::ProxyAutoDetect");
+
+   // Get the proxy to use
+   AutoDetectProxy();
+
    return true;
 }
 									/*}}}*/
@@ -1326,5 +1330,48 @@ int HttpMethod::Loop()
    return 0;
 }
 									/*}}}*/
+// HttpMethod::AutoDetectProxy - auto detect proxy			/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool HttpMethod::AutoDetectProxy()
+{
+   if (AutoDetectProxyCmd.empty())
+      return true;
+
+   if (Debug)
+      clog << "Using auto proxy detect command: " << AutoDetectProxyCmd << endl;
+
+   int Pipes[2] = {-1,-1};
+   if (pipe(Pipes) != 0)
+      return _error->Errno("pipe", "Failed to create Pipe");
+
+   pid_t Process = ExecFork();
+   if (Process == 0)
+   {
+      dup2(Pipes[1],STDOUT_FILENO);
+      SetCloseExec(STDOUT_FILENO,false);
+      
+      const char *Args[2];
+      Args[0] = AutoDetectProxyCmd.c_str();
+      Args[1] = 0;
+      execv(Args[0],(char **)Args);
+      cerr << "Failed to exec method " << Args[0] << endl;
+      _exit(100);
+   }
+   char buf[512];
+   int InFd = Pipes[0];
+   if (read(InFd, buf, sizeof(buf)) < 0)
+      return _error->Errno("read", "Failed to read");
+   ExecWait(Process, "ProxyAutoDetect");
+   
+   if (Debug)
+      clog << "auto detect command returned: '" << buf << "'" << endl;
+
+   if (strstr(buf, "http://") == buf)
+      _config->Set("Acquire::http::proxy", _strstrip(buf));
+
+   return true;
+}
+									/*}}}*/
 
 
diff --git a/methods/http.h b/methods/http.h
index bc076e1f8..bac94e177 100644
--- a/methods/http.h
+++ b/methods/http.h
@@ -134,6 +134,7 @@ class HttpMethod : public pkgAcqMethod
    bool Flush(ServerState *Srv);
    bool ServerDie(ServerState *Srv);
    int DealWithHeaders(FetchResult &Res,ServerState *Srv);
+   bool AutoDetectProxy();
 
    virtual bool Configuration(string Message);
    
@@ -147,6 +148,7 @@ class HttpMethod : public pkgAcqMethod
    virtual bool Fetch(FetchItem *);
    
    string NextURI;
+   string AutoDetectProxyCmd;
    
    public:
    friend class ServerState;
diff --git a/methods/https.cc b/methods/https.cc
index 5d8e63f47..aa6786aa8 100644
--- a/methods/https.cc
+++ b/methods/https.cc
@@ -133,7 +133,7 @@ bool HttpsMethod::Fetch(FetchItem *Itm)
    string cainfo = _config->Find("Acquire::https::CaInfo","");
    string knob = "Acquire::https::"+remotehost+"::CaInfo";
    cainfo = _config->Find(knob.c_str(),cainfo.c_str());
-   if(cainfo != "")
+   if(cainfo.empty() == false)
       curl_easy_setopt(curl, CURLOPT_CAINFO,cainfo.c_str());
 
    // Check server certificate against previous CA list ...
@@ -151,18 +151,25 @@ 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.empty() == false)
+      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";
    pem = _config->Find(knob.c_str(),pem.c_str());
-   if(pem != "")
+   if(pem.empty() == false)
       curl_easy_setopt(curl, CURLOPT_SSLCERT, pem.c_str());
 
    // ... and associated key.
    string key = _config->Find("Acquire::https::SslKey","");
    knob = "Acquire::https::"+remotehost+"::SslKey";
    key = _config->Find(knob.c_str(),key.c_str());
-   if(key != "")
+   if(key.empty() == false)
       curl_easy_setopt(curl, CURLOPT_SSLKEY, key.c_str());
 
    // Allow forcing SSL version to SSLv3 or TLSv1 (SSLv2 is not
@@ -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.empty() == false)
+      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)
@@ -196,7 +210,7 @@ bool HttpsMethod::Fetch(FetchItem *Itm)
    curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
 
    // speed limit
-   int dlLimit = _config->FindI("Acquire::https::Dl-Limit",
+   int const dlLimit = _config->FindI("Acquire::https::Dl-Limit",
 		_config->FindI("Acquire::http::Dl-Limit",0))*1024;
    if (dlLimit > 0)
       curl_easy_setopt(curl, CURLOPT_MAX_RECV_SPEED_LARGE, dlLimit);
@@ -208,7 +222,7 @@ bool HttpsMethod::Fetch(FetchItem *Itm)
 			"Debian APT-CURL/1.0 ("VERSION")").c_str()).c_str());
 
    // set timeout
-   int timeout = _config->FindI("Acquire::https::Timeout",
+   int const timeout = _config->FindI("Acquire::https::Timeout",
 		_config->FindI("Acquire::http::Timeout",120));
    curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, timeout);
    //set really low lowspeed timeout (see #497983)
@@ -216,7 +230,7 @@ bool HttpsMethod::Fetch(FetchItem *Itm)
    curl_easy_setopt(curl, CURLOPT_LOW_SPEED_TIME, timeout);
 
    // set redirect options and default to 10 redirects
-   bool AllowRedirect = _config->FindB("Acquire::https::AllowRedirect",
+   bool const AllowRedirect = _config->FindB("Acquire::https::AllowRedirect",
 	_config->FindB("Acquire::http::AllowRedirect",true));
    curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, AllowRedirect);
    curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 10);