// Include Files /*{{{*/
#include<config.h>
+#include<apt-pkg/configuration.h>
+#include<apt-pkg/error.h>
+#include<apt-pkg/strutl.h>
+#include<apt-pkg/fileutl.h>
+#include<apt-pkg/gpgv.h>
+
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <fcntl.h>
-#include <sys/stat.h>
-#include <sys/types.h>
#include <sys/wait.h>
-
-#include<apt-pkg/configuration.h>
-#include<apt-pkg/error.h>
-#include<apt-pkg/strutl.h>
-#include<apt-pkg/fileutl.h>
-#include<apt-pkg/gpgv.h>
+#include <unistd.h>
+#include <stddef.h>
+#include <iostream>
+#include <string>
+#include <vector>
#include <apti18n.h>
/*}}}*/
static char * GenerateTemporaryFileTemplate(const char *basename) /*{{{*/
{
- const char *tmpdir = getenv("TMPDIR");
-#ifdef P_tmpdir
- if (!tmpdir)
- tmpdir = P_tmpdir;
-#endif
- if (!tmpdir)
- tmpdir = "/tmp";
-
std::string out;
- strprintf(out, "%s/%s.XXXXXX", tmpdir, basename);
+ std::string tmpdir = GetTempDir();
+ strprintf(out, "%s/%s.XXXXXX", tmpdir.c_str(), basename);
return strdup(out.c_str());
}
/*}}}*/
// 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])
{
#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);
-
- if (keyrings.empty() == true)
- {
- // 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);
- }
+ Args.reserve(10);
- Args.push_back(gpgvpath.c_str());
- Args.push_back("--ignore-time-conflict");
+ Args.push_back(aptkey.c_str());
+ Args.push_back("--quiet");
+ Args.push_back("--readonly");
+ 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)
}
}
+ enum { DETACHED, CLEARSIGNED } releaseSignature = (FileGPG != File) ? DETACHED : CLEARSIGNED;
std::vector<std::string> dataHeader;
char * sig = NULL;
char * data = NULL;
- // file with detached signature
- if (FileGPG != File)
+ if (releaseSignature == DETACHED)
{
Args.push_back(FileGPG.c_str());
Args.push_back(File.c_str());
if (sigFd != -1)
unlink(data);
ioprintf(std::cerr, "Splitting up %s into data and signature failed", File.c_str());
- exit(EINTERNAL);
+ exit(112);
}
Args.push_back(sig);
Args.push_back(data);
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)
putenv((char *)"LC_MESSAGES=");
}
- if (FileGPG != File)
+ 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));
}
char *buf = NULL;
size_t buf_size = 0;
- ssize_t line_len = 0;
- while ((line_len = getline(&buf, &buf_size, in)) != -1)
+ while (getline(&buf, &buf_size, in) != -1)
{
_strrstrip(buf);
if (found_message_start == false)
SignatureFile->Write("\n", 1);
}
}
- else if (found_message_end == false)
+ else if (found_message_end == false) // we are in the message block
{
- // we are in the message block
+ // we don't have any fields which need dash-escaped,
+ // but implementations are free to encode all lines …
+ char const * dashfree = buf;
+ if (strncmp(dashfree, "- ", 2) == 0)
+ dashfree += 2;
if(first_line == true) // first line does not need a newline
- {
- if (ContentFile != NULL)
- ContentFile->Write(buf, strlen(buf));
first_line = false;
- }
else if (ContentFile != NULL)
- {
ContentFile->Write("\n", 1);
- ContentFile->Write(buf, strlen(buf));
- }
+ else
+ continue;
+ if (ContentFile != NULL)
+ ContentFile->Write(dashfree, strlen(dashfree));
}
}
else if (found_signature == true)
// if we haven't found any of them, this an unsigned file,
// so don't generate an error, but splitting was unsuccessful none-the-less
- if (found_message_start == false && found_message_end == false)
+ if (first_line == true && found_message_start == false && found_message_end == false)
return false;
// otherwise one missing indicates a syntax error
- else if (found_message_start == false || found_message_end == false)
- return _error->Error("Splitting of file %s failed as it doesn't contain all expected parts", InFile.c_str());
+ else if (first_line == true || found_message_start == false || found_message_end == false)
+ return _error->Error("Splitting of file %s failed as it doesn't contain all expected parts %i %i %i", InFile.c_str(), first_line, found_message_start, found_message_end);
return true;
}
return _error->Error("Couldn't open temporary file to work with %s", ClearSignedFileName.c_str());
_error->PushToStack();
- bool const splitDone = SplitClearSignedFile(ClearSignedFileName.c_str(), &MessageFile, NULL, NULL);
+ bool const splitDone = SplitClearSignedFile(ClearSignedFileName, &MessageFile, NULL, NULL);
bool const errorDone = _error->PendingError();
_error->MergeWithStack();
if (splitDone == false)
projects / apt.git / blobdiff