#include <sys/wait.h>
#include <unistd.h>
#include <stddef.h>
+
+#include <algorithm>
#include <iostream>
#include <string>
#include <vector>
/*}}}*/
// ExecGPGV - returns the command needed for verify /*{{{*/
// ---------------------------------------------------------------------
-/* Generating the commandline for calling gpgv is somehow complicated as
+/* Generating the commandline for calling gpg is somehow complicated as
we need to add multiple keyrings and user supplied options.
- Also, as gpgv has no options to enforce a certain reduced style of
+ Also, as gpg has no options to enforce a certain reduced style of
clear-signed files (=the complete content of the file is signed and
the content isn't encoded) we do a divide and conquer approach here
- and split up the clear-signed file in message and signature for gpgv
+ and split up the clear-signed file in message and signature for gpg.
+ And as a cherry on the cake, we use our apt-key wrapper to do part
+ of the lifting in regards to merging keyrings. Fun for the whole family.
*/
void ExecGPGV(std::string const &File, std::string const &FileGPG,
- int const &statusfd, int fd[2])
+ int const &statusfd, int fd[2], std::string const &key)
{
#define EINTERNAL 111
- std::string const gpgvpath = _config->Find("Dir::Bin::gpg", "/usr/bin/gpgv");
- // FIXME: remove support for deprecated APT::GPGV setting
- std::string const trustedFile = _config->Find("APT::GPGV::TrustedKeyring", _config->FindFile("Dir::Etc::Trusted"));
- std::string const trustedPath = _config->FindDir("Dir::Etc::TrustedParts");
+ std::string const aptkey = _config->FindFile("Dir::Bin::apt-key", "/usr/bin/apt-key");
bool const Debug = _config->FindB("Debug::Acquire::gpgv", false);
- if (Debug == true)
- {
- std::clog << "gpgv path: " << gpgvpath << std::endl;
- std::clog << "Keyring file: " << trustedFile << std::endl;
- std::clog << "Keyring path: " << trustedPath << std::endl;
- }
-
- std::vector<std::string> keyrings;
- if (DirectoryExists(trustedPath))
- keyrings = GetListOfFilesInDir(trustedPath, "gpg", false, true);
- if (RealFileExists(trustedFile) == true)
- keyrings.push_back(trustedFile);
-
std::vector<const char *> Args;
- Args.reserve(30);
+ Args.reserve(10);
- if (keyrings.empty() == true)
+ Args.push_back(aptkey.c_str());
+ Args.push_back("--quiet");
+ Args.push_back("--readonly");
+ if (key.empty() == false)
{
- // TRANSLATOR: %s is the trusted keyring parts directory
- ioprintf(std::cerr, _("No keyring installed in %s."),
- _config->FindDir("Dir::Etc::TrustedParts").c_str());
- exit(EINTERNAL);
+ if (key[0] == '/')
+ {
+ Args.push_back("--keyring");
+ Args.push_back(key.c_str());
+ }
+ else
+ {
+ Args.push_back("--keyid");
+ Args.push_back(key.c_str());
+ }
}
-
- Args.push_back(gpgvpath.c_str());
- Args.push_back("--ignore-time-conflict");
+ Args.push_back("verify");
char statusfdstr[10];
if (statusfd != -1)
Args.push_back(statusfdstr);
}
- for (std::vector<std::string>::const_iterator K = keyrings.begin();
- K != keyrings.end(); ++K)
- {
- Args.push_back("--keyring");
- Args.push_back(K->c_str());
- }
-
Configuration::Item const *Opts;
Opts = _config->Tree("Acquire::gpgv::Options");
if (Opts != 0)
if (Debug == true)
{
- std::clog << "Preparing to exec: " << gpgvpath;
+ std::clog << "Preparing to exec: ";
for (std::vector<const char *>::const_iterator a = Args.begin(); *a != NULL; ++a)
std::clog << " " << *a;
std::clog << std::endl;
if (statusfd != -1)
{
- int const nullfd = open("/dev/null", O_RDONLY);
+ int const nullfd = open("/dev/null", O_WRONLY);
close(fd[0]);
// Redirect output to /dev/null; we read from the status fd
if (statusfd != STDOUT_FILENO)
if (releaseSignature == DETACHED)
{
- execvp(gpgvpath.c_str(), (char **) &Args[0]);
+ execvp(Args[0], (char **) &Args[0]);
ioprintf(std::cerr, "Couldn't execute %s to check %s", Args[0], File.c_str());
exit(EINTERNAL);
}
{
if (statusfd != -1)
dup2(fd[1], statusfd);
- execvp(gpgvpath.c_str(), (char **) &Args[0]);
+ execvp(Args[0], (char **) &Args[0]);
ioprintf(std::cerr, "Couldn't execute %s to check %s", Args[0], File.c_str());
UNLINK_EXIT(EINTERNAL);
}
{
if (errno == EINTR)
continue;
- ioprintf(std::cerr, _("Waited for %s but it wasn't there"), "gpgv");
+ ioprintf(std::cerr, _("Waited for %s but it wasn't there"), "apt-key");
UNLINK_EXIT(EINTERNAL);
}
#undef UNLINK_EXIT
// check if it exit'ed normally …
if (WIFEXITED(Status) == false)
{
- ioprintf(std::cerr, _("Sub-process %s exited unexpectedly"), "gpgv");
+ ioprintf(std::cerr, _("Sub-process %s exited unexpectedly"), "apt-key");
exit(EINTERNAL);
}
// … and with a good exit code
if (WEXITSTATUS(Status) != 0)
{
- ioprintf(std::cerr, _("Sub-process %s returned an error code (%u)"), "gpgv", WEXITSTATUS(Status));
+ ioprintf(std::cerr, _("Sub-process %s returned an error code (%u)"), "apt-key", WEXITSTATUS(Status));
exit(WEXITSTATUS(Status));
}
// all the rest is whitespace, unsigned garbage or additional message blocks we ignore
}
fclose(in);
+ if (buf != NULL)
+ free(buf);
if (found_signature == true)
return _error->Error("Signature in file %s wasn't closed", InFile.c_str());