X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/b3d44315ee812ba2d0a99751695b5a4314407ec2..f814fbf4f2c78e3b9ceeeaba3cb93ed0ebbc7943:/methods/gpgv.cc diff --git a/methods/gpgv.cc b/methods/gpgv.cc index b34ea8d85..f3277b300 100644 --- a/methods/gpgv.cc +++ b/methods/gpgv.cc @@ -1,6 +1,7 @@ #include #include #include +#include #include #include @@ -10,16 +11,18 @@ #include #include #include +#include #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 &GoodSigners, vector &BadSigners, vector &NoPubKeySigners); @@ -31,11 +34,15 @@ class GPGVMethod : public pkgAcqMethod 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 &GoodSigners, vector &BadSigners, vector &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; @@ -46,16 +53,18 @@ const char *GPGVMethod::VerifyGetSigners(const char *file, const char *outfile, int status; struct stat buff; string gpgvpath = _config->Find("Dir::Bin::gpg", "/usr/bin/gpgv"); - string pubringpath = _config->Find("Apt::GPGV::TrustedKeyring", "/etc/apt/trusted.gpg"); + string pubringpath = _config->Find("APT::GPGV::TrustedKeyring", "/etc/apt/trusted.gpg"); if (_config->FindB("Debug::Acquire::gpgv", false)) { std::cerr << "gpgv path: " << gpgvpath << 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"; @@ -64,15 +73,46 @@ const char *GPGVMethod::VerifyGetSigners(const char *file, const char *outfile, 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) { + const char *Args[400]; + unsigned int i = 0; + + Args[i++] = gpgvpath.c_str(); + Args[i++] = "--status-fd"; + Args[i++] = "3"; + Args[i++] = "--ignore-time-conflict"; + Args[i++] = "--keyring"; + Args[i++] = pubringpath.c_str(); + + Configuration::Item const *Opts; + Opts = _config->Tree("Acquire::gpgv::Options"); + if (Opts != 0) + { + Opts = Opts->Child; + for (; Opts != 0; Opts = Opts->Next) + { + if (Opts->Value.empty() == true) + continue; + Args[i++] = Opts->Value.c_str(); + if(i >= 395) { + std::cerr << _("E: Argument list from Acquire::gpgv::Options too long. Exiting.") << std::endl; + exit(111); + } + } + } + Args[i++] = file; + Args[i++] = outfile; + Args[i++] = NULL; + if (_config->FindB("Debug::Acquire::gpgv", false)) { - std::cerr << "Preparing to exec: " << gpgvpath - << " --status-fd 3 --keyring " << pubringpath - << " " << file << " " << outfile << std::endl; + std::cerr << "Preparing to exec: " << gpgvpath; + for(unsigned int j=0;Args[j] != NULL; j++) + std::cerr << " " << Args[j]; + std::cerr << std::endl; } int nullfd = open("/dev/null", O_RDONLY); close(fd[0]); @@ -82,11 +122,10 @@ const char *GPGVMethod::VerifyGetSigners(const char *file, const char *outfile, // Redirect the pipe to the status fd (3) dup2(fd[1], 3); - putenv("LANG="); - putenv("LC_ALL="); - putenv("LC_MESSAGES="); - execlp(gpgvpath.c_str(), gpgvpath.c_str(), "--status-fd", "3", "--keyring", - pubringpath.c_str(), file, outfile, NULL); + putenv((char *)"LANG="); + putenv((char *)"LC_ALL="); + putenv((char *)"LC_MESSAGES="); + execvp(gpgvpath.c_str(), (char **)Args); exit(111); } @@ -134,7 +173,12 @@ const char *GPGVMethod::VerifyGetSigners(const char *file, const char *outfile, 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); @@ -152,27 +196,27 @@ const char *GPGVMethod::VerifyGetSigners(const char *file, const char *outfile, waitpid(pid, &status, 0); if (_config->FindB("Debug::Acquire::gpgv", false)) { - std::cerr <<"gpgv exited\n"; + std::cerr << "gpgv exited\n"; } if (WEXITSTATUS(status) == 0) { if (GoodSigners.empty()) - return "Internal error: Good signature, but could not determine key fingerprint?!"; - return NULL; + return _("Internal error: Good signature, but could not determine key fingerprint?!"); + return ""; } else if (WEXITSTATUS(status) == 1) { - return "At least one invalid signature was encountered."; + return _("At least one invalid signature was encountered."); } else if (WEXITSTATUS(status) == 111) { - 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 gpgv installed?)"), gpgvpath.c_str()); + return ret.str(); } else { - return "Unknown error executing gpgv"; + return _("Unknown error executing gpgv"); } } @@ -190,8 +234,8 @@ bool GPGVMethod::Fetch(FetchItem *Itm) 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; @@ -203,39 +247,26 @@ bool GPGVMethod::Fetch(FetchItem *Itm) { if (!BadSigners.empty()) { - errmsg += "The following signatures were invalid:\n"; + errmsg += _("The following signatures were invalid:\n"); for (vector::iterator I = BadSigners.begin(); I != BadSigners.end(); I++) errmsg += (*I + "\n"); } if (!NoPubKeySigners.empty()) { - errmsg += "The following signatures couldn't be verified because the public key is not available:\n"; + errmsg += _("The following signatures couldn't be verified because the public key is not available:\n"); for (vector::iterator I = NoPubKeySigners.begin(); I != NoPubKeySigners.end(); I++) errmsg += (*I + "\n"); } } - return _error->Error(errmsg.c_str()); + // this is only fatal if we have no good sigs or if we have at + // least one bad signature. good signatures and NoPubKey signatures + // happen easily when a file is signed with multiple signatures + if(GoodSigners.empty() or !BadSigners.empty()) + return _error->Error("%s", errmsg.c_str()); } - // Transfer the modification times - struct stat Buf; - if (stat(Path.c_str(),&Buf) != 0) - return _error->Errno("stat","Failed to stat %s", Path.c_str()); - - struct utimbuf TimeBuf; - TimeBuf.actime = Buf.st_atime; - TimeBuf.modtime = Buf.st_mtime; - if (utime(Itm->DestFile.c_str(),&TimeBuf) != 0) - return _error->Errno("utime","Failed to set modification time"); - - if (stat(Itm->DestFile.c_str(),&Buf) != 0) - return _error->Errno("stat","Failed to stat"); - - // Return a Done response - Res.LastModified = Buf.st_mtime; - Res.Size = Buf.st_size; // Just pass the raw output up, because passing it as a real data // structure is too difficult with the method stuff. We keep it // as three separate vectors for future extensibility. @@ -246,7 +277,7 @@ bool GPGVMethod::Fetch(FetchItem *Itm) if (_config->FindB("Debug::Acquire::gpgv", false)) { - std::cerr <<"gpgv suceeded\n"; + std::cerr << "gpgv succeeded\n"; } return true; @@ -255,6 +286,8 @@ bool GPGVMethod::Fetch(FetchItem *Itm) int main() { + setlocale(LC_ALL, ""); + GPGVMethod Mth; return Mth.Run();