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@@ -27,6 +27,8 @@
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#include <sstream>
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#include <unistd.h>
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#include <sys/stat.h>
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+#include <sys/types.h>
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+#include <fcntl.h>
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#include <stdio.h>
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/*}}}*/
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@@ -590,66 +592,34 @@ bool SigVerify::CopyAndVerify(string CDROM,string Name,vector<string> &SigList,
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indexRecords *MetaIndex = new indexRecords;
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string prefix = *I;
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+ string const releasegpg = *I+"Release.gpg";
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+ string const release = *I+"Release";
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+
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// a Release.gpg without a Release should never happen
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- if(!FileExists(*I+"Release"))
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+ if(FileExists(release) == false)
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{
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delete MetaIndex;
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continue;
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}
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-
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- // verify the gpg signature of "Release"
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- // gpg --verify "*I+Release.gpg", "*I+Release"
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- const char *Args[400];
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- unsigned int i = 0;
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-
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- string gpgvpath = _config->Find("Dir::Bin::gpg", "/usr/bin/gpgv");
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- string pubringpath = _config->Find("Apt::GPGV::TrustedKeyring", "/etc/apt/trusted.gpg");
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- string releasegpg = *I+"Release.gpg";
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- string release = *I+"Release";
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-
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- Args[i++] = gpgvpath.c_str();
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- Args[i++] = "--keyring";
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- Args[i++] = pubringpath.c_str();
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- Configuration::Item const *Opts;
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- Opts = _config->Tree("Acquire::gpgv::Options");
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- if (Opts != 0)
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- {
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- Opts = Opts->Child;
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- for (; Opts != 0; Opts = Opts->Next)
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- {
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- if (Opts->Value.empty() == true)
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- continue;
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- Args[i++] = Opts->Value.c_str();
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- if(i >= 390) {
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- _error->Error("Argument list from Acquire::gpgv::Options too long. Exiting.");
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- return false;
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- }
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- }
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- }
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-
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- Args[i++] = releasegpg.c_str();
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- Args[i++] = release.c_str();
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- Args[i++] = NULL;
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-
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pid_t pid = ExecFork();
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if(pid < 0) {
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_error->Error("Fork failed");
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return false;
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}
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- if(pid == 0) {
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- execvp(gpgvpath.c_str(), (char**)Args);
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- }
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+ if(pid == 0)
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+ RunGPGV(release, releasegpg);
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+
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if(!ExecWait(pid, "gpgv")) {
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_error->Warning("Signature verification failed for: %s",
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- string(*I+"Release.gpg").c_str());
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+ releasegpg.c_str());
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// something went wrong, don't copy the Release.gpg
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// FIXME: delete any existing gpg file?
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continue;
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}
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// Open the Release file and add it to the MetaIndex
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- if(!MetaIndex->Load(*I+"Release"))
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+ if(!MetaIndex->Load(release))
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{
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_error->Error("%s",MetaIndex->ErrorText.c_str());
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return false;
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@@ -676,6 +646,103 @@ bool SigVerify::CopyAndVerify(string CDROM,string Name,vector<string> &SigList,
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CopyMetaIndex(CDROM, Name, prefix, "Release.gpg");
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}
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+ return true;
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+}
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+ /*}}}*/
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+// SigVerify::RunGPGV - returns the command needed for verify /*{{{*/
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+// ---------------------------------------------------------------------
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+/* Generating the commandline for calling gpgv is somehow complicated as
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+ we need to add multiple keyrings and user supplied options. Also, as
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+ the cdrom code currently can not use the gpgv method we have two places
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+ these need to be done - so the place for this method is wrong but better
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+ than code duplication… */
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+bool SigVerify::RunGPGV(std::string const &File, std::string const &FileGPG,
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+ int const &statusfd, int fd[2])
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+{
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+ string const gpgvpath = _config->Find("Dir::Bin::gpg", "/usr/bin/gpgv");
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+ // FIXME: remove support for deprecated APT::GPGV setting
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+ string const trustedFile = _config->FindFile("Dir::Etc::Trusted",
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+ _config->Find("APT::GPGV::TrustedKeyring", "/etc/apt/trusted.gpg").c_str());
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+ string const trustedPath = _config->FindDir("Dir::Etc::TrustedParts", "/etc/apt/trusted.gpg.d");
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+
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+ bool const Debug = _config->FindB("Debug::Acquire::gpgv", false);
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+
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+ if (Debug == true)
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+ {
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+ std::clog << "gpgv path: " << gpgvpath << std::endl;
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+ std::clog << "Keyring file: " << trustedFile << std::endl;
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+ std::clog << "Keyring path: " << trustedPath << std::endl;
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+ }
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+
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+ std::vector<string> keyrings = GetListOfFilesInDir(trustedPath, "gpg", false);
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+ if (FileExists(trustedFile) == true)
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+ keyrings.push_back(trustedFile);
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+
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+ std::vector<const char *> Args;
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+ Args.reserve(30);
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+
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+ if (keyrings.empty() == true)
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+ return false;
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+
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+ Args.push_back(gpgvpath.c_str());
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+ Args.push_back("--ignore-time-conflict");
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+
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+ if (statusfd != -1)
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+ {
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+ Args.push_back("--status-fd");
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+ char fd[10];
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+ snprintf(fd, sizeof(fd), "%i", statusfd);
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+ Args.push_back(fd);
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+ }
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+
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+ for (vector<string>::const_iterator K = keyrings.begin();
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+ K != keyrings.end(); ++K)
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+ {
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+ Args.push_back("--keyring");
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+ Args.push_back(K->c_str());
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+ }
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+
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+ Configuration::Item const *Opts;
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+ Opts = _config->Tree("Acquire::gpgv::Options");
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+ if (Opts != 0)
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+ {
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+ Opts = Opts->Child;
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+ for (; Opts != 0; Opts = Opts->Next)
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+ {
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+ if (Opts->Value.empty() == true)
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+ continue;
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+ Args.push_back(Opts->Value.c_str());
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+ }
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+ }
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+
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+ Args.push_back(FileGPG.c_str());
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+ Args.push_back(File.c_str());
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+ Args.push_back(NULL);
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+
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+ if (Debug == true)
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+ {
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+ std::clog << "Preparing to exec: " << gpgvpath;
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+ for (std::vector<const char *>::const_iterator a = Args.begin(); *a != NULL; ++a)
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+ std::clog << " " << *a;
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+ std::clog << std::endl;
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+ }
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+
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+ if (statusfd != -1)
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+ {
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+ int const nullfd = open("/dev/null", O_RDONLY);
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+ close(fd[0]);
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+ // Redirect output to /dev/null; we read from the status fd
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+ dup2(nullfd, STDOUT_FILENO);
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+ dup2(nullfd, STDERR_FILENO);
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+ // Redirect the pipe to the status fd (3)
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+ dup2(fd[1], statusfd);
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+
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+ putenv((char *)"LANG=");
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+ putenv((char *)"LC_ALL=");
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+ putenv((char *)"LC_MESSAGES=");
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+ }
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+
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+ execvp(gpgvpath.c_str(), (char **) &Args[0]);
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return true;
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}
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/*}}}*/
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