From cf440facb498fa0ec70148723b13d6d019758c0e Mon Sep 17 00:00:00 2001
From: David Kalnischkies <kalnischkies@gmail.com>
Date: Wed, 9 Jun 2010 23:20:26 +0200
Subject: enhance the split out of the gpgv commandline mangling by splitting
 out the call completely

---
 methods/gpgv.cc | 51 ++++++++++-----------------------------------------
 1 file changed, 10 insertions(+), 41 deletions(-)

(limited to 'methods')

diff --git a/methods/gpgv.cc b/methods/gpgv.cc
index 5f5f23f7d..018e4f622 100644
--- a/methods/gpgv.cc
+++ b/methods/gpgv.cc
@@ -55,61 +55,29 @@ string GPGVMethod::VerifyGetSigners(const char *file, const char *outfile,
    if (Debug == true)
       std::clog << "inside VerifyGetSigners" << std::endl;
 
-   pid_t pid;
    int fd[2];
-   FILE *pipein;
-   int status;
-
-   string const gpgvpath = _config->Find("Dir::Bin::gpg", "/usr/bin/gpgv");
-   std::vector<const char*> Args = SigVerify::GetGPGVCommandLine();
-   if (Args.empty() == true)
-   {
-      // TRANSLATOR: %s is the trusted keyring parts directory
-      ioprintf(ret, _("No keyring installed in %s."),
-		_config->FindDir("Dir::Etc::TrustedParts", "/etc/apt/trusted.gpg.d").c_str());
-      return ret.str();
-   }
 
    if (pipe(fd) < 0)
       return "Couldn't create pipe";
 
-   pid = fork();
+   pid_t pid = fork();
    if (pid < 0)
       return string("Couldn't spawn new process") + strerror(errno);
    else if (pid == 0)
    {
-      Args.push_back("--status-fd");
-      Args.push_back("3");
-      Args.push_back(file);
-      Args.push_back(outfile);
-      Args.push_back(NULL);
-
-      if (Debug == true)
+      if (SigVerify::RunGPGV(outfile, file, 3, fd) == false)
       {
-         std::clog << "Preparing to exec: " << gpgvpath;
-	 for(std::vector<const char *>::const_iterator a = Args.begin();*a != NULL; ++a)
-	    std::clog << " " << *a;
-	 std::clog << std::endl;
+	 // TRANSLATOR: %s is the trusted keyring parts directory
+	 ioprintf(ret, _("No keyring installed in %s."),
+		  _config->FindDir("Dir::Etc::TrustedParts", "/etc/apt/trusted.gpg.d").c_str());
+	 return ret.str();
       }
-      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); 
-      dup2(nullfd, STDERR_FILENO); 
-      // Redirect the pipe to the status fd (3)
-      dup2(fd[1], 3);
-
-      putenv((char *)"LANG=");
-      putenv((char *)"LC_ALL=");
-      putenv((char *)"LC_MESSAGES=");
-      execvp(gpgvpath.c_str(), (char **) &Args[0]);
-             
       exit(111);
    }
    close(fd[1]);
 
-   pipein = fdopen(fd[0], "r"); 
-   
+   FILE *pipein = fdopen(fd[0], "r");
+
    // Loop over the output of gpgv, and check the signatures.
    size_t buffersize = 64;
    char *buffer = (char *) malloc(buffersize);
@@ -182,6 +150,7 @@ string GPGVMethod::VerifyGetSigners(const char *file, const char *outfile,
    }
    fclose(pipein);
 
+   int status;
    waitpid(pid, &status, 0);
    if (Debug == true)
    {
@@ -200,7 +169,7 @@ string GPGVMethod::VerifyGetSigners(const char *file, const char *outfile,
    }
    else if (WEXITSTATUS(status) == 111)
    {
-      ioprintf(ret, _("Could not execute '%s' to verify signature (is gpgv installed?)"), gpgvpath.c_str());
+      ioprintf(ret, _("Could not execute 'gpgv' to verify signature (is gpgv installed?)"));
       return ret.str();
    }
    else
-- 
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