diff options
Diffstat (limited to 'apt-pkg')
| -rw-r--r-- | apt-pkg/acquire-item.cc | 26 | ||||
| -rw-r--r-- | apt-pkg/contrib/gpgv.cc | 385 | ||||
| -rw-r--r-- | apt-pkg/contrib/gpgv.h | 82 | ||||
| -rw-r--r-- | apt-pkg/contrib/strutl.cc | 8 | ||||
| -rw-r--r-- | apt-pkg/contrib/strutl.h | 1 | ||||
| -rw-r--r-- | apt-pkg/deb/debindexfile.cc | 8 | ||||
| -rw-r--r-- | apt-pkg/deb/deblistparser.cc | 12 | ||||
| -rw-r--r-- | apt-pkg/deb/debmetaindex.cc | 31 | ||||
| -rw-r--r-- | apt-pkg/indexcopy.cc | 122 | ||||
| -rw-r--r-- | apt-pkg/indexcopy.h | 17 | ||||
| -rw-r--r-- | apt-pkg/indexrecords.cc | 6 | ||||
| -rw-r--r-- | apt-pkg/makefile | 14 |
12 files changed, 544 insertions, 168 deletions
diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc index a71886a87..9b7862111 100644 --- a/apt-pkg/acquire-item.cc +++ b/apt-pkg/acquire-item.cc @@ -1503,20 +1503,17 @@ void pkgAcqMetaIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf) if (AuthPass == true) { // gpgv method failed, if we have a good signature - string LastGoodSigFile = _config->FindDir("Dir::State::lists"); - if (DestFile == SigFile) - LastGoodSigFile.append(URItoFileName(RealURI)); - else - LastGoodSigFile.append("partial/").append(URItoFileName(RealURI)).append(".gpg.reverify"); + string LastGoodSigFile = _config->FindDir("Dir::State::lists").append("partial/").append(URItoFileName(RealURI)); + if (DestFile != SigFile) + LastGoodSigFile.append(".gpg"); + LastGoodSigFile.append(".reverify"); if(FileExists(LastGoodSigFile)) { + string VerifiedSigFile = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI); if (DestFile != SigFile) - { - string VerifiedSigFile = _config->FindDir("Dir::State::lists") + - URItoFileName(RealURI) + ".gpg"; - Rename(LastGoodSigFile,VerifiedSigFile); - } + VerifiedSigFile.append(".gpg"); + Rename(LastGoodSigFile, VerifiedSigFile); Status = StatTransientNetworkError; _error->Warning(_("A error occurred during the signature " "verification. The repository is not updated " @@ -1577,6 +1574,15 @@ pkgAcqMetaClearSig::pkgAcqMetaClearSig(pkgAcquire *Owner, /*{{{*/ MetaSigURI(MetaSigURI), MetaSigURIDesc(MetaSigURIDesc), MetaSigShortDesc(MetaSigShortDesc) { SigFile = DestFile; + + // keep the old InRelease around in case of transistent network errors + string const Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI); + struct stat Buf; + if (stat(Final.c_str(),&Buf) == 0) + { + string const LastGoodSig = DestFile + ".reverify"; + Rename(Final,LastGoodSig); + } } /*}}}*/ // pkgAcqMetaClearSig::Custom600Headers - Insert custom request headers /*{{{*/ diff --git a/apt-pkg/contrib/gpgv.cc b/apt-pkg/contrib/gpgv.cc new file mode 100644 index 000000000..ba059dd87 --- /dev/null +++ b/apt-pkg/contrib/gpgv.cc @@ -0,0 +1,385 @@ +// -*- mode: cpp; mode: fold -*- +// Include Files /*{{{*/ +#include<config.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 <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); + return strdup(out.c_str()); +} + /*}}}*/ +// ExecGPGV - returns the command needed for verify /*{{{*/ +// --------------------------------------------------------------------- +/* Generating the commandline for calling gpgv 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 + 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 +*/ +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"); + + 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.push_back(gpgvpath.c_str()); + Args.push_back("--ignore-time-conflict"); + + char statusfdstr[10]; + if (statusfd != -1) + { + Args.push_back("--status-fd"); + snprintf(statusfdstr, sizeof(statusfdstr), "%i", statusfd); + 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) + { + Opts = Opts->Child; + for (; Opts != 0; Opts = Opts->Next) + { + if (Opts->Value.empty() == true) + continue; + Args.push_back(Opts->Value.c_str()); + } + } + + std::vector<std::string> dataHeader; + char * sig = NULL; + char * data = NULL; + + // file with detached signature + if (FileGPG != File) + { + Args.push_back(FileGPG.c_str()); + Args.push_back(File.c_str()); + } + else // clear-signed file + { + sig = GenerateTemporaryFileTemplate("apt.sig"); + data = GenerateTemporaryFileTemplate("apt.data"); + if (sig == NULL || data == NULL) + { + ioprintf(std::cerr, "Couldn't create tempfile names for splitting up %s", File.c_str()); + exit(EINTERNAL); + } + + int const sigFd = mkstemp(sig); + int const dataFd = mkstemp(data); + if (sigFd == -1 || dataFd == -1) + { + if (dataFd != -1) + unlink(sig); + if (sigFd != -1) + unlink(data); + ioprintf(std::cerr, "Couldn't create tempfiles for splitting up %s", File.c_str()); + exit(EINTERNAL); + } + + FileFd signature; + signature.OpenDescriptor(sigFd, FileFd::WriteOnly, true); + FileFd message; + message.OpenDescriptor(dataFd, FileFd::WriteOnly, true); + + if (signature.Failed() == true || message.Failed() == true || + SplitClearSignedFile(File, &message, &dataHeader, &signature) == false) + { + if (dataFd != -1) + unlink(sig); + if (sigFd != -1) + unlink(data); + ioprintf(std::cerr, "Splitting up %s into data and signature failed", File.c_str()); + exit(EINTERNAL); + } + Args.push_back(sig); + Args.push_back(data); + } + + Args.push_back(NULL); + + if (Debug == true) + { + std::clog << "Preparing to exec: " << gpgvpath; + 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); + close(fd[0]); + // Redirect output to /dev/null; we read from the status fd + if (statusfd != STDOUT_FILENO) + dup2(nullfd, STDOUT_FILENO); + if (statusfd != STDERR_FILENO) + dup2(nullfd, STDERR_FILENO); + // Redirect the pipe to the status fd (3) + dup2(fd[1], statusfd); + + putenv((char *)"LANG="); + putenv((char *)"LC_ALL="); + putenv((char *)"LC_MESSAGES="); + } + + if (FileGPG != File) + { + execvp(gpgvpath.c_str(), (char **) &Args[0]); + ioprintf(std::cerr, "Couldn't execute %s to check %s", Args[0], File.c_str()); + exit(EINTERNAL); + } + else + { +//#define UNLINK_EXIT(X) exit(X) +#define UNLINK_EXIT(X) unlink(sig);unlink(data);exit(X) + + // for clear-signed files we have created tempfiles we have to clean up + // and we do an additional check, so fork yet another time … + pid_t pid = ExecFork(); + if(pid < 0) { + ioprintf(std::cerr, "Fork failed for %s to check %s", Args[0], File.c_str()); + UNLINK_EXIT(EINTERNAL); + } + if(pid == 0) + { + if (statusfd != -1) + dup2(fd[1], statusfd); + execvp(gpgvpath.c_str(), (char **) &Args[0]); + ioprintf(std::cerr, "Couldn't execute %s to check %s", Args[0], File.c_str()); + UNLINK_EXIT(EINTERNAL); + } + + // Wait and collect the error code - taken from WaitPid as we need the exact Status + int Status; + while (waitpid(pid,&Status,0) != pid) + { + if (errno == EINTR) + continue; + ioprintf(std::cerr, _("Waited for %s but it wasn't there"), "gpgv"); + UNLINK_EXIT(EINTERNAL); + } +#undef UNLINK_EXIT + // we don't need the files any longer + unlink(sig); + unlink(data); + free(sig); + free(data); + + // check if it exit'ed normally … + if (WIFEXITED(Status) == false) + { + ioprintf(std::cerr, _("Sub-process %s exited unexpectedly"), "gpgv"); + 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)); + exit(WEXITSTATUS(Status)); + } + + // everything fine + exit(0); + } + exit(EINTERNAL); // unreachable safe-guard +} + /*}}}*/ +// SplitClearSignedFile - split message into data/signature /*{{{*/ +bool SplitClearSignedFile(std::string const &InFile, FileFd * const ContentFile, + std::vector<std::string> * const ContentHeader, FileFd * const SignatureFile) +{ + FILE *in = fopen(InFile.c_str(), "r"); + if (in == NULL) + return _error->Errno("fopen", "can not open %s", InFile.c_str()); + + bool found_message_start = false; + bool found_message_end = false; + bool skip_until_empty_line = false; + bool found_signature = false; + bool first_line = true; + + char *buf = NULL; + size_t buf_size = 0; + ssize_t line_len = 0; + while ((line_len = getline(&buf, &buf_size, in)) != -1) + { + _strrstrip(buf); + if (found_message_start == false) + { + if (strcmp(buf, "-----BEGIN PGP SIGNED MESSAGE-----") == 0) + { + found_message_start = true; + skip_until_empty_line = true; + } + } + else if (skip_until_empty_line == true) + { + if (strlen(buf) == 0) + skip_until_empty_line = false; + // save "Hash" Armor Headers, others aren't allowed + else if (ContentHeader != NULL && strncmp(buf, "Hash: ", strlen("Hash: ")) == 0) + ContentHeader->push_back(buf); + } + else if (found_signature == false) + { + if (strcmp(buf, "-----BEGIN PGP SIGNATURE-----") == 0) + { + found_signature = true; + found_message_end = true; + if (SignatureFile != NULL) + { + SignatureFile->Write(buf, strlen(buf)); + SignatureFile->Write("\n", 1); + } + } + else if (found_message_end == false) // 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 + first_line = false; + else if (ContentFile != NULL) + ContentFile->Write("\n", 1); + else + continue; + if (ContentFile != NULL) + ContentFile->Write(dashfree, strlen(dashfree)); + } + } + else if (found_signature == true) + { + if (SignatureFile != NULL) + { + SignatureFile->Write(buf, strlen(buf)); + SignatureFile->Write("\n", 1); + } + if (strcmp(buf, "-----END PGP SIGNATURE-----") == 0) + found_signature = false; // look for other signatures + } + // all the rest is whitespace, unsigned garbage or additional message blocks we ignore + } + fclose(in); + + if (found_signature == true) + return _error->Error("Signature in file %s wasn't closed", InFile.c_str()); + + // 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 (first_line == true && found_message_start == false && found_message_end == false) + return false; + // otherwise one missing indicates a syntax error + else if (first_line == false || 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()); + + return true; +} + /*}}}*/ +bool OpenMaybeClearSignedFile(std::string const &ClearSignedFileName, FileFd &MessageFile) /*{{{*/ +{ + char * const message = GenerateTemporaryFileTemplate("fileutl.message"); + int const messageFd = mkstemp(message); + if (messageFd == -1) + { + free(message); + return _error->Errno("mkstemp", "Couldn't create temporary file to work with %s", ClearSignedFileName.c_str()); + } + // we have the fd, thats enough for us + unlink(message); + free(message); + + MessageFile.OpenDescriptor(messageFd, FileFd::ReadWrite, true); + if (MessageFile.Failed() == 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 errorDone = _error->PendingError(); + _error->MergeWithStack(); + if (splitDone == false) + { + MessageFile.Close(); + + if (errorDone == true) + return false; + + // we deal with an unsigned file + MessageFile.Open(ClearSignedFileName, FileFd::ReadOnly); + } + else // clear-signed + { + if (MessageFile.Seek(0) == false) + return _error->Errno("lseek", "Unable to seek back in message for file %s", ClearSignedFileName.c_str()); + } + + return MessageFile.Failed() == false; +} + /*}}}*/ diff --git a/apt-pkg/contrib/gpgv.h b/apt-pkg/contrib/gpgv.h new file mode 100644 index 000000000..08b10a97a --- /dev/null +++ b/apt-pkg/contrib/gpgv.h @@ -0,0 +1,82 @@ +// -*- mode: cpp; mode: fold -*- +// Description /*{{{*/ +/* ###################################################################### + + Helpers to deal with gpgv better and more easily + + ##################################################################### */ + /*}}}*/ +#ifndef CONTRIB_GPGV_H +#define CONTRIB_GPGV_H + +#include <string> +#include <vector> + +#include <apt-pkg/fileutl.h> + +#if __GNUC__ >= 4 + #define APT_noreturn __attribute__ ((noreturn)) +#else + #define APT_noreturn /* no support */ +#endif + +/** \brief generates and run the command to verify a file with gpgv + * + * If File and FileSig specify the same file it is assumed that we + * deal with a clear-signed message. In that case the file will be + * rewritten to be in a good-known format without uneeded whitespaces + * and additional messages (unsigned or signed). + * + * @param File is the message (unsigned or clear-signed) + * @param FileSig is the signature (detached or clear-signed) + */ +void ExecGPGV(std::string const &File, std::string const &FileSig, + int const &statusfd, int fd[2]) APT_noreturn; +inline void ExecGPGV(std::string const &File, std::string const &FileSig, + int const &statusfd = -1) { + int fd[2]; + ExecGPGV(File, FileSig, statusfd, fd); +}; + +#undef APT_noreturn + +/** \brief Split an inline signature into message and signature + * + * Takes a clear-signed message and puts the first signed message + * in the content file and all signatures following it into the + * second. Unsigned messages, additional messages as well as + * whitespaces are discarded. The resulting files are suitable to + * be checked with gpgv. + * + * If a FileFd pointers is NULL it will not be used and the content + * which would have been written to it is silently discarded. + * + * The content of the split files is undefined if the splitting was + * unsuccessful. + * + * Note that trying to split an unsigned file will fail, but + * not generate an error message. + * + * @param InFile is the clear-signed file + * @param ContentFile is the FileFd the message will be written to + * @param ContentHeader is a list of all required Amored Headers for the message + * @param SignatureFile is the FileFd all signatures will be written to + * @return true if the splitting was successful, false otherwise + */ +bool SplitClearSignedFile(std::string const &InFile, FileFd * const ContentFile, + std::vector<std::string> * const ContentHeader, FileFd * const SignatureFile); + +/** \brief open a file which might be clear-signed + * + * This method tries to extract the (signed) message of a file. + * If the file isn't signed it will just open the given filename. + * Otherwise the message is extracted to a temporary file which + * will be opened instead. + * + * @param ClearSignedFileName is the name of the file to open + * @param[out] MessageFile is the FileFd in which the file will be opened + * @return true if opening was successful, otherwise false + */ +bool OpenMaybeClearSignedFile(std::string const &ClearSignedFileName, FileFd &MessageFile); + +#endif diff --git a/apt-pkg/contrib/strutl.cc b/apt-pkg/contrib/strutl.cc index ca096d736..9726138a0 100644 --- a/apt-pkg/contrib/strutl.cc +++ b/apt-pkg/contrib/strutl.cc @@ -117,7 +117,13 @@ char *_strstrip(char *String) if (*String == 0) return String; - + return _strrstrip(String); +} + /*}}}*/ +// strrstrip - Remove white space from the back of a string /*{{{*/ +// --------------------------------------------------------------------- +char *_strrstrip(char *String) +{ char *End = String + strlen(String) - 1; for (;End != String - 1 && (*End == ' ' || *End == '\t' || *End == '\n' || *End == '\r'); End--); diff --git a/apt-pkg/contrib/strutl.h b/apt-pkg/contrib/strutl.h index 337139d5d..e92f91dc0 100644 --- a/apt-pkg/contrib/strutl.h +++ b/apt-pkg/contrib/strutl.h @@ -35,6 +35,7 @@ using std::ostream; bool UTF8ToCodeset(const char *codeset, const std::string &orig, std::string *dest); char *_strstrip(char *String); +char *_strrstrip(char *String); // right strip only char *_strtabexpand(char *String,size_t Len); bool ParseQuoteWord(const char *&String,std::string &Res); bool ParseCWord(const char *&String,std::string &Res); diff --git a/apt-pkg/deb/debindexfile.cc b/apt-pkg/deb/debindexfile.cc index de645bb6e..909dfcf47 100644 --- a/apt-pkg/deb/debindexfile.cc +++ b/apt-pkg/deb/debindexfile.cc @@ -22,6 +22,7 @@ #include <apt-pkg/strutl.h> #include <apt-pkg/acquire-item.h> #include <apt-pkg/debmetaindex.h> +#include <apt-pkg/gpgv.h> #include <sys/stat.h> /*}}}*/ @@ -337,7 +338,12 @@ bool debPackagesIndex::Merge(pkgCacheGenerator &Gen,OpProgress *Prog) const if (releaseExists == true || FileExists(ReleaseFile) == true) { - FileFd Rel(ReleaseFile,FileFd::ReadOnly); + FileFd Rel; + // Beware: The 'Release' file might be clearsigned in case the + // signature for an 'InRelease' file couldn't be checked + if (OpenMaybeClearSignedFile(ReleaseFile, Rel) == false) + return false; + if (_error->PendingError() == true) return false; Parser.LoadReleaseInfo(File,Rel,Section); diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc index 56d5297fc..d84a6a26d 100644 --- a/apt-pkg/deb/deblistparser.cc +++ b/apt-pkg/deb/deblistparser.cc @@ -801,13 +801,12 @@ bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator &FileI, map_ptrloc const storage = WriteUniqString(component); FileI->Component = storage; - // FIXME: Code depends on the fact that Release files aren't compressed + // FIXME: should use FileFd and TagSection FILE* release = fdopen(dup(File.Fd()), "r"); if (release == NULL) return false; char buffer[101]; - bool gpgClose = false; while (fgets(buffer, sizeof(buffer), release) != NULL) { size_t len = 0; @@ -819,15 +818,6 @@ bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator &FileI, if (buffer[len] == '\0') continue; - // only evalute the first GPG section - if (strncmp("-----", buffer, 5) == 0) - { - if (gpgClose == true) - break; - gpgClose = true; - continue; - } - // seperate the tag from the data const char* dataStart = strchr(buffer + len, ':'); if (dataStart == NULL) diff --git a/apt-pkg/deb/debmetaindex.cc b/apt-pkg/deb/debmetaindex.cc index 6c191fd95..7a88d71e3 100644 --- a/apt-pkg/deb/debmetaindex.cc +++ b/apt-pkg/deb/debmetaindex.cc @@ -229,6 +229,8 @@ vector <struct IndexTarget *>* debReleaseIndex::ComputeIndexTargets() const { /*}}}*/ bool debReleaseIndex::GetIndexes(pkgAcquire *Owner, bool const &GetAll) const { + bool const tryInRelease = _config->FindB("Acquire::TryInRelease", true); + // special case for --print-uris if (GetAll) { vector <struct IndexTarget *> *targets = ComputeIndexTargets(); @@ -239,18 +241,27 @@ bool debReleaseIndex::GetIndexes(pkgAcquire *Owner, bool const &GetAll) const // this is normally created in pkgAcqMetaSig, but if we run // in --print-uris mode, we add it here - new pkgAcqMetaIndex(Owner, MetaIndexURI("Release"), - MetaIndexInfo("Release"), "Release", - MetaIndexURI("Release.gpg"), - ComputeIndexTargets(), - new indexRecords (Dist)); + if (tryInRelease == false) + new pkgAcqMetaIndex(Owner, MetaIndexURI("Release"), + MetaIndexInfo("Release"), "Release", + MetaIndexURI("Release.gpg"), + ComputeIndexTargets(), + new indexRecords (Dist)); } - new pkgAcqMetaSig(Owner, MetaIndexURI("Release.gpg"), - MetaIndexInfo("Release.gpg"), "Release.gpg", - MetaIndexURI("Release"), MetaIndexInfo("Release"), "Release", - ComputeIndexTargets(), - new indexRecords (Dist)); + if (tryInRelease == true) + new pkgAcqMetaClearSig(Owner, MetaIndexURI("InRelease"), + MetaIndexInfo("InRelease"), "InRelease", + MetaIndexURI("Release"), MetaIndexInfo("Release"), "Release", + MetaIndexURI("Release.gpg"), MetaIndexInfo("Release.gpg"), "Release.gpg", + ComputeIndexTargets(), + new indexRecords (Dist)); + else + new pkgAcqMetaSig(Owner, MetaIndexURI("Release.gpg"), + MetaIndexInfo("Release.gpg"), "Release.gpg", + MetaIndexURI("Release"), MetaIndexInfo("Release"), "Release", + ComputeIndexTargets(), + new indexRecords (Dist)); return true; } diff --git a/apt-pkg/indexcopy.cc b/apt-pkg/indexcopy.cc index aa1f01a4a..f53989bdb 100644 --- a/apt-pkg/indexcopy.cc +++ b/apt-pkg/indexcopy.cc @@ -593,9 +593,9 @@ bool SigVerify::CopyAndVerify(string CDROM,string Name,vector<string> &SigList, if(pid == 0) { if (useInRelease == true) - RunGPGV(inrelease, inrelease); + ExecGPGV(inrelease, inrelease); else - RunGPGV(release, releasegpg); + ExecGPGV(release, releasegpg); } if(!ExecWait(pid, "gpgv")) { @@ -642,124 +642,6 @@ bool SigVerify::CopyAndVerify(string CDROM,string Name,vector<string> &SigList, return true; } /*}}}*/ -// SigVerify::RunGPGV - returns the command needed for verify /*{{{*/ -// --------------------------------------------------------------------- -/* Generating the commandline for calling gpgv is somehow complicated as - we need to add multiple keyrings and user supplied options. Also, as - the cdrom code currently can not use the gpgv method we have two places - these need to be done - so the place for this method is wrong but better - than code duplication… */ -bool SigVerify::RunGPGV(std::string const &File, std::string const &FileGPG, - int const &statusfd, int fd[2]) -{ - if (File == FileGPG) - { - #define SIGMSG "-----BEGIN PGP SIGNED MESSAGE-----\n" - char buffer[sizeof(SIGMSG)]; - FILE* gpg = fopen(File.c_str(), "r"); - if (gpg == NULL) - return _error->Errno("RunGPGV", _("Could not open file %s"), File.c_str()); - char const * const test = fgets(buffer, sizeof(buffer), gpg); - fclose(gpg); - if (test == NULL || strcmp(buffer, SIGMSG) != 0) - return _error->Error(_("File %s doesn't start with a clearsigned message"), File.c_str()); - #undef SIGMSG - } - - - string const gpgvpath = _config->Find("Dir::Bin::gpg", "/usr/bin/gpgv"); - // FIXME: remove support for deprecated APT::GPGV setting - string const trustedFile = _config->Find("APT::GPGV::TrustedKeyring", _config->FindFile("Dir::Etc::Trusted")); - string const trustedPath = _config->FindDir("Dir::Etc::TrustedParts"); - - 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<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 - return _error->Error(_("No keyring installed in %s."), - _config->FindDir("Dir::Etc::TrustedParts").c_str()); - } - - Args.push_back(gpgvpath.c_str()); - Args.push_back("--ignore-time-conflict"); - - if (statusfd != -1) - { - Args.push_back("--status-fd"); - char fd[10]; - snprintf(fd, sizeof(fd), "%i", statusfd); - Args.push_back(fd); - } - - for (vector<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) - { - Opts = Opts->Child; - for (; Opts != 0; Opts = Opts->Next) - { - if (Opts->Value.empty() == true) - continue; - Args.push_back(Opts->Value.c_str()); - } - } - - Args.push_back(FileGPG.c_str()); - if (FileGPG != File) - Args.push_back(File.c_str()); - Args.push_back(NULL); - - if (Debug == true) - { - std::clog << "Preparing to exec: " << gpgvpath; - 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); - close(fd[0]); - // Redirect output to /dev/null; we read from the status fd - dup2(nullfd, STDOUT_FILENO); - dup2(nullfd, STDERR_FILENO); - // Redirect the pipe to the status fd (3) - dup2(fd[1], statusfd); - - putenv((char *)"LANG="); - putenv((char *)"LC_ALL="); - putenv((char *)"LC_MESSAGES="); - } - - execvp(gpgvpath.c_str(), (char **) &Args[0]); - return true; -} - /*}}}*/ bool TranslationsCopy::CopyTranslations(string CDROM,string Name, /*{{{*/ vector<string> &List, pkgCdromStatus *log) { diff --git a/apt-pkg/indexcopy.h b/apt-pkg/indexcopy.h index e3de1afd9..aa221158e 100644 --- a/apt-pkg/indexcopy.h +++ b/apt-pkg/indexcopy.h @@ -14,6 +14,9 @@ #include <string> #include <stdio.h> +#include <apt-pkg/gpgv.h> +#include <apt-pkg/macros.h> + #ifndef APT_8_CLEANER_HEADERS using std::string; using std::vector; @@ -96,13 +99,15 @@ class SigVerify /*{{{*/ bool CopyAndVerify(std::string CDROM,std::string Name,std::vector<std::string> &SigList, std::vector<std::string> PkgList,std::vector<std::string> SrcList); - /** \brief generates and run the command to verify a file with gpgv */ - static bool RunGPGV(std::string const &File, std::string const &FileOut, - int const &statusfd, int fd[2]); - inline static bool RunGPGV(std::string const &File, std::string const &FileOut, + __deprecated static bool RunGPGV(std::string const &File, std::string const &FileOut, + int const &statusfd, int fd[2]) { + ExecGPGV(File, FileOut, statusfd, fd); + return false; + }; + __deprecated static bool RunGPGV(std::string const &File, std::string const &FileOut, int const &statusfd = -1) { - int fd[2]; - return RunGPGV(File, FileOut, statusfd, fd); + ExecGPGV(File, FileOut, statusfd); + return false; }; }; /*}}}*/ diff --git a/apt-pkg/indexrecords.cc b/apt-pkg/indexrecords.cc index 649b6059d..e37a78cfb 100644 --- a/apt-pkg/indexrecords.cc +++ b/apt-pkg/indexrecords.cc @@ -12,6 +12,7 @@ #include <apt-pkg/configuration.h> #include <apt-pkg/fileutl.h> #include <apt-pkg/hashes.h> +#include <apt-pkg/gpgv.h> #include <sys/stat.h> #include <clocale> @@ -57,7 +58,10 @@ bool indexRecords::Exists(string const &MetaKey) const bool indexRecords::Load(const string Filename) /*{{{*/ { - FileFd Fd(Filename, FileFd::ReadOnly); + FileFd Fd; + if (OpenMaybeClearSignedFile(Filename, Fd) == false) + return false; + pkgTagFile TagFile(&Fd, Fd.Size() + 256); // XXX if (_error->PendingError() == true) { diff --git a/apt-pkg/makefile b/apt-pkg/makefile index 27d7ead24..59729faf5 100644 --- a/apt-pkg/makefile +++ b/apt-pkg/makefile @@ -27,15 +27,13 @@ APT_DOMAIN:=libapt-pkg$(LIBAPTPKG_MAJOR) SOURCE = contrib/mmap.cc contrib/error.cc contrib/strutl.cc \ contrib/configuration.cc contrib/progress.cc contrib/cmndline.cc \ contrib/hashsum.cc contrib/md5.cc contrib/sha1.cc \ - contrib/sha2_internal.cc\ - contrib/hashes.cc \ + contrib/sha2_internal.cc contrib/hashes.cc \ contrib/cdromutl.cc contrib/crc-16.cc contrib/netrc.cc \ - contrib/fileutl.cc -HEADERS = mmap.h error.h configuration.h fileutl.h cmndline.h netrc.h\ - md5.h crc-16.h cdromutl.h strutl.h sptr.h sha1.h sha2.h sha256.h\ - sha2_internal.h \ - hashes.h hashsum_template.h\ - macros.h weakptr.h + contrib/fileutl.cc contrib/gpgv.cc +HEADERS = mmap.h error.h configuration.h fileutl.h cmndline.h netrc.h \ + md5.h crc-16.h cdromutl.h strutl.h sptr.h sha1.h sha2.h sha256.h \ + sha2_internal.h hashes.h hashsum_template.h \ + macros.h weakptr.h gpgv.h # Source code for the core main library SOURCE+= pkgcache.cc version.cc depcache.cc \ |