X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/a0e07f3ec885c12c733c12805391646c202f3f31..9224ce3d4d1ea0428a70e75134998e08aa45b1e6:/apt-pkg/indexcopy.cc diff --git a/apt-pkg/indexcopy.cc b/apt-pkg/indexcopy.cc index 4df018ef4..5fa57fd8b 100644 --- a/apt-pkg/indexcopy.cc +++ b/apt-pkg/indexcopy.cc @@ -16,20 +16,21 @@ #include #include #include +#include #include #include #include -#include #include +#include +#include #include #include #include #include -#include -#include #include #include +#include #include "indexcopy.h" #include @@ -37,8 +38,6 @@ using namespace std; - - // IndexCopy::CopyPackages - Copy the package files from the CD /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -57,15 +56,25 @@ bool IndexCopy::CopyPackages(string CDROM,string Name,vector &List, // Prepare the progress indicator off_t TotalSize = 0; + std::vector const compressor = APT::Configuration::getCompressors(); for (vector::iterator I = List.begin(); I != List.end(); ++I) { struct stat Buf; - if (stat(string(*I + GetFileName()).c_str(),&Buf) != 0 && - stat(string(*I + GetFileName() + ".gz").c_str(),&Buf) != 0) - return _error->Errno("stat","Stat failed for %s", - string(*I + GetFileName()).c_str()); + bool found = false; + std::string file = std::string(*I).append(GetFileName()); + for (std::vector::const_iterator c = compressor.begin(); + c != compressor.end(); ++c) + { + if (stat((file + c->Extension).c_str(), &Buf) != 0) + continue; + found = true; + break; + } + + if (found == false) + return _error->Errno("stat", "Stat failed for %s", file.c_str()); TotalSize += Buf.st_size; - } + } off_t CurrentSize = 0; unsigned int NotFound = 0; @@ -74,57 +83,11 @@ bool IndexCopy::CopyPackages(string CDROM,string Name,vector &List, for (vector::iterator I = List.begin(); I != List.end(); ++I) { string OrigPath = string(*I,CDROM.length()); - off_t FileSize = 0; // Open the package file - FileFd Pkg; - if (RealFileExists(*I + GetFileName()) == true) - { - Pkg.Open(*I + GetFileName(),FileFd::ReadOnly); - FileSize = Pkg.Size(); - } - else - { - FileFd From(*I + GetFileName() + ".gz",FileFd::ReadOnly); - if (_error->PendingError() == true) - return false; - FileSize = From.Size(); - - // Get a temp file - FILE *tmp = tmpfile(); - if (tmp == 0) - return _error->Errno("tmpfile","Unable to create a tmp file"); - Pkg.Fd(dup(fileno(tmp))); - fclose(tmp); - - // Fork gzip - pid_t Process = fork(); - if (Process < 0) - return _error->Errno("fork","Couldn't fork gzip"); - - // The child - if (Process == 0) - { - dup2(From.Fd(),STDIN_FILENO); - dup2(Pkg.Fd(),STDOUT_FILENO); - SetCloseExec(STDIN_FILENO,false); - SetCloseExec(STDOUT_FILENO,false); - - const char *Args[3]; - string Tmp = _config->Find("Dir::bin::gzip","gzip"); - Args[0] = Tmp.c_str(); - Args[1] = "-d"; - Args[2] = 0; - execvp(Args[0],(char **)Args); - exit(100); - } - - // Wait for gzip to finish - if (ExecWait(Process,_config->Find("Dir::bin::gzip","gzip").c_str(),false) == false) - return _error->Error("gzip failed, perhaps the disk is full."); - - Pkg.Seek(0); - } + FileFd Pkg(*I + GetFileName(), FileFd::ReadOnly, FileFd::Auto); + off_t const FileSize = Pkg.Size(); + pkgTagFile Parser(&Pkg); if (_error->PendingError() == true) return false; @@ -143,9 +106,9 @@ bool IndexCopy::CopyPackages(string CDROM,string Name,vector &List, } else { Target.Open(TargetF,FileFd::WriteAtomic); } - FILE *TargetFl = fdopen(dup(Target.Fd()),"w"); if (_error->PendingError() == true) return false; + FILE *TargetFl = fdopen(dup(Target.Fd()),"w"); if (TargetFl == 0) return _error->Errno("fdopen","Failed to reopen fd"); @@ -178,7 +141,6 @@ bool IndexCopy::CopyPackages(string CDROM,string Name,vector &List, File = OrigPath + ChopDirs(File,Chop); // See if the file exists - bool Mangled = false; if (NoStat == false || Hits < 10) { // Attempt to fix broken structure @@ -198,9 +160,10 @@ bool IndexCopy::CopyPackages(string CDROM,string Name,vector &List, // Get the size struct stat Buf; - if (stat(string(CDROM + Prefix + File).c_str(),&Buf) != 0 || + if (stat((CDROM + Prefix + File).c_str(),&Buf) != 0 || Buf.st_size == 0) { + bool Mangled = false; // Attempt to fix busted symlink support for one instance string OrigFile = File; string::size_type Start = File.find("binary-"); @@ -212,7 +175,7 @@ bool IndexCopy::CopyPackages(string CDROM,string Name,vector &List, } if (Mangled == false || - stat(string(CDROM + Prefix + File).c_str(),&Buf) != 0) + stat((CDROM + Prefix + File).c_str(),&Buf) != 0) { if (Debug == true) clog << "Missed(2): " << OrigFile << endl; @@ -323,7 +286,7 @@ bool IndexCopy::ReconstructPrefix(string &Prefix,string OrigPath,string CD, while (1) { struct stat Buf; - if (stat(string(CD + MyPrefix + File).c_str(),&Buf) != 0) + if (stat((CD + MyPrefix + File).c_str(),&Buf) != 0) { if (Debug == true) cout << "Failed, " << CD + MyPrefix + File << endl; @@ -352,7 +315,7 @@ bool IndexCopy::ReconstructChop(unsigned long &Chop,string Dir,string File) while (1) { struct stat Buf; - if (stat(string(Dir + File).c_str(),&Buf) != 0) + if (stat((Dir + File).c_str(),&Buf) != 0) { File = ChopDirs(File,1); Depth++; @@ -387,9 +350,6 @@ bool IndexCopy::ReconstructChop(unsigned long &Chop,string Dir,string File) */ void IndexCopy::ConvertToSourceList(string CD,string &Path) { - char S[300]; - snprintf(S,sizeof(S),"binary-%s",_config->Find("Apt::Architecture").c_str()); - // Strip the cdrom base path Path = string(Path,CD.length()); if (Path.empty() == true) @@ -425,7 +385,13 @@ void IndexCopy::ConvertToSourceList(string CD,string &Path) return; string Binary = string(Path,Slash+1,BinSlash - Slash-1); - if (Binary != S && Binary != "source") + if (strncmp(Binary.c_str(), "binary-", strlen("binary-")) == 0) + { + Binary.erase(0, strlen("binary-")); + if (APT::Configuration::checkArchitecture(Binary) == false) + continue; + } + else if (Binary != "source") continue; Path = Dist + ' ' + Comp; @@ -470,8 +436,8 @@ bool PackageCopy::GetFile(string &File,unsigned long long &Size) /* */ bool PackageCopy::RewriteEntry(FILE *Target,string File) { - TFRewriteData Changes[] = {{"Filename",File.c_str()}, - {}}; + TFRewriteData Changes[] = {{ "Filename", File.c_str(), NULL }, + { NULL, NULL, NULL }}; if (TFRewrite(Target,*Section,TFRewritePackageOrder,Changes) == false) return false; @@ -516,8 +482,8 @@ bool SourceCopy::GetFile(string &File,unsigned long long &Size) bool SourceCopy::RewriteEntry(FILE *Target,string File) { string Dir(File,0,File.rfind('/')); - TFRewriteData Changes[] = {{"Directory",Dir.c_str()}, - {}}; + TFRewriteData Changes[] = {{ "Directory", Dir.c_str(), NULL }, + { NULL, NULL, NULL }}; if (TFRewrite(Target,*Section,TFRewriteSourceOrder,Changes) == false) return false; @@ -531,32 +497,37 @@ bool SourceCopy::RewriteEntry(FILE *Target,string File) bool SigVerify::Verify(string prefix, string file, indexRecords *MetaIndex) { const indexRecords::checkSum *Record = MetaIndex->Lookup(file); + bool const Debug = _config->FindB("Debug::aptcdrom",false); - // we skip non-existing files in the verifcation to support a cdrom - // with no Packages file (just a Package.gz), see LP: #255545 - // (non-existing files are not considered a error) + // we skip non-existing files in the verifcation of the Release file + // as non-existing files do not harm, but a warning scares people and + // makes it hard to strip unneeded files from an ISO like uncompressed + // indexes as it is done on the mirrors (see also LP: #255545 ) if(!RealFileExists(prefix+file)) { - _error->Warning(_("Skipping nonexistent file %s"), string(prefix+file).c_str()); + if (Debug == true) + cout << "Skipping nonexistent in " << prefix << " file " << file << std::endl; return true; } - if (!Record) + if (!Record) { _error->Warning(_("Can't find authentication record for: %s"), file.c_str()); return false; } - if (!Record->Hash.VerifyFile(prefix+file)) + if (!Record->Hashes.VerifyFile(prefix+file)) { _error->Warning(_("Hash mismatch for: %s"),file.c_str()); return false; } - if(_config->FindB("Debug::aptcdrom",false)) + if(Debug == true) { - cout << "File: " << prefix+file << endl; - cout << "Expected Hash " << Record->Hash.toStr() << endl; + cout << "File: " << prefix+file << endl + << "Expected Hash " << endl; + for (HashStringList::const_iterator hs = Record->Hashes.begin(); hs != Record->Hashes.end(); ++hs) + std::cout << "\t- " << hs->toStr() << std::endl; } return true; @@ -575,16 +546,14 @@ bool SigVerify::CopyMetaIndex(string CDROM, string CDName, /*{{{*/ FileFd Rel; Target.Open(TargetF,FileFd::WriteAtomic); Rel.Open(prefix + file,FileFd::ReadOnly); - if (_error->PendingError() == true) - return false; if (CopyFile(Rel,Target) == false) - return false; - + return _error->Error("Copying of '%s' for '%s' from '%s' failed", file.c_str(), CDName.c_str(), prefix.c_str()); + return true; } /*}}}*/ bool SigVerify::CopyAndVerify(string CDROM,string Name,vector &SigList, /*{{{*/ - vector PkgList,vector SrcList) + vector /*PkgList*/,vector /*SrcList*/) { if (SigList.empty() == true) return true; @@ -602,13 +571,19 @@ bool SigVerify::CopyAndVerify(string CDROM,string Name,vector &SigList, string const releasegpg = *I+"Release.gpg"; string const release = *I+"Release"; + string const inrelease = *I+"InRelease"; + bool useInRelease = true; // a Release.gpg without a Release should never happen - if(RealFileExists(release) == false) + if (RealFileExists(inrelease) == true) + ; + else if(RealFileExists(release) == false || RealFileExists(releasegpg) == false) { delete MetaIndex; continue; } + else + useInRelease = false; pid_t pid = ExecFork(); if(pid < 0) { @@ -616,13 +591,19 @@ bool SigVerify::CopyAndVerify(string CDROM,string Name,vector &SigList, return false; } if(pid == 0) - RunGPGV(release, releasegpg); + { + if (useInRelease == true) + ExecGPGV(inrelease, inrelease); + else + ExecGPGV(release, releasegpg); + } if(!ExecWait(pid, "gpgv")) { _error->Warning("Signature verification failed for: %s", - releasegpg.c_str()); + (useInRelease ? inrelease.c_str() : releasegpg.c_str())); // something went wrong, don't copy the Release.gpg // FIXME: delete any existing gpg file? + delete MetaIndex; continue; } @@ -650,129 +631,26 @@ bool SigVerify::CopyAndVerify(string CDROM,string Name,vector &SigList, delete MetaIndex; // everything was fine, copy the Release and Release.gpg file - CopyMetaIndex(CDROM, Name, prefix, "Release"); - CopyMetaIndex(CDROM, Name, prefix, "Release.gpg"); + if (useInRelease == true) + CopyMetaIndex(CDROM, Name, prefix, "InRelease"); + else + { + CopyMetaIndex(CDROM, Name, prefix, "Release"); + CopyMetaIndex(CDROM, Name, prefix, "Release.gpg"); + } } 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 keyrings; - if (DirectoryExists(trustedPath)) - keyrings = GetListOfFilesInDir(trustedPath, "gpg", false, true); - if (RealFileExists(trustedFile) == true) - keyrings.push_back(trustedFile); - - std::vector 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::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_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; +// SigVerify::RunGPGV - deprecated wrapper calling ExecGPGV /*{{{*/ +APT_NORETURN bool SigVerify::RunGPGV(std::string const &File, std::string const &FileOut, + int const &statusfd, int fd[2]) { + ExecGPGV(File, FileOut, statusfd, fd); +} +APT_NORETURN bool SigVerify::RunGPGV(std::string const &File, std::string const &FileOut, + int const &statusfd) { + ExecGPGV(File, FileOut, statusfd); } /*}}}*/ bool TranslationsCopy::CopyTranslations(string CDROM,string Name, /*{{{*/ @@ -789,74 +667,36 @@ bool TranslationsCopy::CopyTranslations(string CDROM,string Name, /*{{{*/ // Prepare the progress indicator off_t TotalSize = 0; + std::vector const compressor = APT::Configuration::getCompressors(); for (vector::iterator I = List.begin(); I != List.end(); ++I) { struct stat Buf; - if (stat(string(*I).c_str(),&Buf) != 0 && - stat(string(*I + ".gz").c_str(),&Buf) != 0) - return _error->Errno("stat","Stat failed for %s", - string(*I).c_str()); + bool found = false; + std::string file = *I; + for (std::vector::const_iterator c = compressor.begin(); + c != compressor.end(); ++c) + { + if (stat((file + c->Extension).c_str(), &Buf) != 0) + continue; + found = true; + break; + } + + if (found == false) + return _error->Errno("stat", "Stat failed for %s", file.c_str()); TotalSize += Buf.st_size; - } + } off_t CurrentSize = 0; unsigned int NotFound = 0; unsigned int WrongSize = 0; unsigned int Packages = 0; for (vector::iterator I = List.begin(); I != List.end(); ++I) - { - string OrigPath = string(*I,CDROM.length()); - off_t FileSize = 0; - + { // Open the package file - FileFd Pkg; - if (RealFileExists(*I) == true) - { - Pkg.Open(*I,FileFd::ReadOnly); - FileSize = Pkg.Size(); - } - else - { - FileFd From(*I + ".gz",FileFd::ReadOnly); - if (_error->PendingError() == true) - return false; - FileSize = From.Size(); - - // Get a temp file - FILE *tmp = tmpfile(); - if (tmp == 0) - return _error->Errno("tmpfile","Unable to create a tmp file"); - Pkg.Fd(dup(fileno(tmp))); - fclose(tmp); - - // Fork gzip - pid_t Process = fork(); - if (Process < 0) - return _error->Errno("fork","Couldn't fork gzip"); - - // The child - if (Process == 0) - { - dup2(From.Fd(),STDIN_FILENO); - dup2(Pkg.Fd(),STDOUT_FILENO); - SetCloseExec(STDIN_FILENO,false); - SetCloseExec(STDOUT_FILENO,false); - - const char *Args[3]; - string Tmp = _config->Find("Dir::bin::gzip","gzip"); - Args[0] = Tmp.c_str(); - Args[1] = "-d"; - Args[2] = 0; - execvp(Args[0],(char **)Args); - exit(100); - } - - // Wait for gzip to finish - if (ExecWait(Process,_config->Find("Dir::bin::gzip","gzip").c_str(),false) == false) - return _error->Error("gzip failed, perhaps the disk is full."); - - Pkg.Seek(0); - } + FileFd Pkg(*I, FileFd::ReadOnly, FileFd::Auto); + off_t const FileSize = Pkg.Size(); + pkgTagFile Parser(&Pkg); if (_error->PendingError() == true) return false; @@ -867,12 +707,17 @@ bool TranslationsCopy::CopyTranslations(string CDROM,string Name, /*{{{*/ (*I).c_str() + CDROM.length()); string TargetF = _config->FindDir("Dir::State::lists") + "partial/"; TargetF += URItoFileName(S); + FileFd Target; if (_config->FindB("APT::CDROM::NoAct",false) == true) + { TargetF = "/dev/null"; - FileFd Target(TargetF,FileFd::WriteAtomic); - FILE *TargetFl = fdopen(dup(Target.Fd()),"w"); + Target.Open(TargetF,FileFd::WriteExists); + } else { + Target.Open(TargetF,FileFd::WriteAtomic); + } if (_error->PendingError() == true) return false; + FILE *TargetFl = fdopen(dup(Target.Fd()),"w"); if (TargetFl == 0) return _error->Errno("fdopen","Failed to reopen fd"); @@ -948,3 +793,5 @@ bool TranslationsCopy::CopyTranslations(string CDROM,string Name, /*{{{*/ return true; } /*}}}*/ + +APT_CONST IndexCopy::~IndexCopy() {}