#include <errno.h>
#include <sys/wait.h>
#include <iostream>
+#include <sstream>
#define GNUPGPREFIX "[GNUPG:]"
#define GNUPGBADSIG "[GNUPG:] BADSIG"
#define GNUPGNOPUBKEY "[GNUPG:] NO_PUBKEY"
#define GNUPGVALIDSIG "[GNUPG:] VALIDSIG"
+#define GNUPGNODATA "[GNUPG:] NODATA"
class GPGVMethod : public pkgAcqMethod
{
private:
- const char *VerifyGetSigners(const char *file, const char *outfile,
+ string VerifyGetSigners(const char *file, const char *outfile,
vector<string> &GoodSigners, vector<string> &BadSigners,
vector<string> &NoPubKeySigners);
GPGVMethod() : pkgAcqMethod("1.0",SingleInstance | SendConfig) {};
};
-const char *GPGVMethod::VerifyGetSigners(const char *file, const char *outfile,
+string GPGVMethod::VerifyGetSigners(const char *file, const char *outfile,
vector<string> &GoodSigners,
vector<string> &BadSigners,
vector<string> &NoPubKeySigners)
{
+ // 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;
std::cerr << "Keyring path: " << pubringpath << std::endl;
}
- if (stat(pubringpath.c_str(), &buff) != 0)
- return (string("Couldn't access keyring: ") + strerror(errno)).c_str();
-
+ if (stat(pubringpath.c_str(), &buff) != 0)
+ {
+ ioprintf(ret, _("Couldn't access keyring: '%s'"), strerror(errno));
+ 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)).c_str();
+ return string("Couldn't spawn new process") + strerror(errno);
}
else if (pid == 0)
{
// Redirect the pipe to the status fd (3)
dup2(fd[1], 3);
- putenv("LANG=");
- putenv("LC_ALL=");
- putenv("LC_MESSAGES=");
+ putenv((char *)"LANG=");
+ putenv((char *)"LC_ALL=");
+ putenv((char *)"LC_MESSAGES=");
execvp(gpgvpath.c_str(), (char **)Args);
exit(111);
std::cerr << "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;
+ BadSigners.push_back(string(buffer+sizeof(GNUPGPREFIX)));
+ }
if (strncmp(buffer, GNUPGVALIDSIG, sizeof(GNUPGVALIDSIG)-1) == 0)
{
char *sig = buffer + sizeof(GNUPGPREFIX);
{
if (GoodSigners.empty())
return _("Internal error: Good signature, but could not determine key fingerprint?!");
- return NULL;
+ return "";
}
else if (WEXITSTATUS(status) == 1)
{
}
else if (WEXITSTATUS(status) == 111)
{
- // FIXME String concatenation considered harmful.
- return (string(_("Could not execute ")) + gpgvpath +
- string(_(" to verify signature (is gnupg installed?)"))).c_str();
+ ioprintf(ret, _("Could not execute '%s' to verify signature (is gnupg installed?)"), gpgvpath.c_str());
+ return ret.str();
}
else
{
URIStart(Res);
// Run gpgv on file, extract contents and get the key ID of the signer
- const char *msg = VerifyGetSigners(Path.c_str(), Itm->DestFile.c_str(),
- GoodSigners, BadSigners, NoPubKeySigners);
+ string msg = VerifyGetSigners(Path.c_str(), Itm->DestFile.c_str(),
+ GoodSigners, BadSigners, NoPubKeySigners);
if (GoodSigners.empty() || !BadSigners.empty() || !NoPubKeySigners.empty())
{
string errmsg;