X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/55fb35e87a1ff550cbb3010c5a03064f0a2b10be..05ef357e575e9c25eb6a35cb693d1eb19bb14d45:/apt-pkg/sourcelist.cc diff --git a/apt-pkg/sourcelist.cc b/apt-pkg/sourcelist.cc index 47a08ad90..2100b5d3c 100644 --- a/apt-pkg/sourcelist.cc +++ b/apt-pkg/sourcelist.cc @@ -8,46 +8,55 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ +#include + #include #include #include #include #include +#include +#include +#include +#include +#include -#include - +#include +#include +#include +#include +#include +#include +#include #include - -// CNC:2003-03-03 - This is needed for ReadDir stuff. #include -#include -#include -#include -#include + +#include /*}}}*/ using namespace std; // Global list of Items supported -static pkgSourceList::Type *ItmList[10]; +static pkgSourceList::Type *ItmList[10]; pkgSourceList::Type **pkgSourceList::Type::GlobalList = ItmList; unsigned long pkgSourceList::Type::GlobalListLen = 0; // Type::Type - Constructor /*{{{*/ // --------------------------------------------------------------------- /* Link this to the global list of items*/ -pkgSourceList::Type::Type() +pkgSourceList::Type::Type(char const * const pName, char const * const pLabel) : Name(pName), Label(pLabel) { ItmList[GlobalListLen] = this; - GlobalListLen++; + ++GlobalListLen; } +pkgSourceList::Type::~Type() {} /*}}}*/ // Type::GetType - Get a specific meta for a given type /*{{{*/ // --------------------------------------------------------------------- /* */ pkgSourceList::Type *pkgSourceList::Type::GetType(const char *Type) { - for (unsigned I = 0; I != GlobalListLen; I++) + for (unsigned I = 0; I != GlobalListLen; ++I) if (strcmp(GlobalList[I]->Name,Type) == 0) return GlobalList[I]; return 0; @@ -73,61 +82,202 @@ bool pkgSourceList::Type::FixupURI(string &URI) const return true; } /*}}}*/ +bool pkgSourceList::Type::ParseStanza(vector &List, /*{{{*/ + pkgTagSection &Tags, + unsigned int const i, + FileFd &Fd) +{ + map Options; + + string Enabled = Tags.FindS("Enabled"); + if (Enabled.empty() == false && StringToBool(Enabled) == false) + return true; + + std::map > mapping; +#define APT_PLUSMINUS(X, Y) \ + mapping.insert(std::make_pair(X, std::make_pair(Y, true))); \ + mapping.insert(std::make_pair(X "Add", std::make_pair(Y "+", true))); \ + mapping.insert(std::make_pair(X "Remove", std::make_pair(Y "-", true))) + APT_PLUSMINUS("Architectures", "arch"); + APT_PLUSMINUS("Languages", "lang"); + APT_PLUSMINUS("Targets", "target"); +#undef APT_PLUSMINUS + mapping.insert(std::make_pair("Trusted", std::make_pair("trusted", false))); + mapping.insert(std::make_pair("Check-Valid-Until", std::make_pair("check-valid-until", false))); + mapping.insert(std::make_pair("Valid-Until-Min", std::make_pair("valid-until-min", false))); + mapping.insert(std::make_pair("Valid-Until-Max", std::make_pair("valid-until-max", false))); + mapping.insert(std::make_pair("Signed-By", std::make_pair("signed-by", false))); + mapping.insert(std::make_pair("PDiffs", std::make_pair("pdiffs", false))); + mapping.insert(std::make_pair("By-Hash", std::make_pair("by-hash", false))); + + for (std::map >::const_iterator m = mapping.begin(); m != mapping.end(); ++m) + if (Tags.Exists(m->first)) + { + std::string option = Tags.FindS(m->first); + // for deb822 the " " is the delimiter, but the backend expects "," + if (m->second.second == true) + std::replace(option.begin(), option.end(), ' ', ','); + Options[m->second.first] = option; + } + + { + std::string entry; + strprintf(entry, "%s:%i", Fd.Name().c_str(), i); + Options["sourceslist-entry"] = entry; + } + + // now create one item per suite/section + string Suite = Tags.FindS("Suites"); + Suite = SubstVar(Suite,"$(ARCH)",_config->Find("APT::Architecture")); + string const Component = Tags.FindS("Components"); + string const URIS = Tags.FindS("URIs"); + + std::vector const list_uris = VectorizeString(URIS, ' '); + std::vector const list_suite = VectorizeString(Suite, ' '); + std::vector const list_comp = VectorizeString(Component, ' '); + + if (list_uris.empty()) + // TRANSLATOR: %u is a line number, the first %s is a filename of a file with the extension "second %s" and the third %s is a unique identifier for bugreports + return _error->Error(_("Malformed entry %u in %s file %s (%s)"), i, "sources", Fd.Name().c_str(), "URI"); + + for (std::vector::const_iterator U = list_uris.begin(); + U != list_uris.end(); ++U) + { + std::string URI = *U; + if (U->empty() || FixupURI(URI) == false) + return _error->Error(_("Malformed entry %u in %s file %s (%s)"), i, "sources", Fd.Name().c_str(), "URI parse"); + + if (list_suite.empty()) + return _error->Error(_("Malformed entry %u in %s file %s (%s)"), i, "sources", Fd.Name().c_str(), "Suite"); + + for (std::vector::const_iterator S = list_suite.begin(); + S != list_suite.end(); ++S) + { + if (S->empty() == false && (*S)[S->size() - 1] == '/') + { + if (list_comp.empty() == false) + return _error->Error(_("Malformed entry %u in %s file %s (%s)"), i, "sources", Fd.Name().c_str(), "absolute Suite Component"); + if (CreateItem(List, URI, *S, "", Options) == false) + return false; + } + else + { + if (list_comp.empty()) + return _error->Error(_("Malformed entry %u in %s file %s (%s)"), i, "sources", Fd.Name().c_str(), "Component"); + + for (std::vector::const_iterator C = list_comp.begin(); + C != list_comp.end(); ++C) + { + if (CreateItem(List, URI, *S, *C, Options) == false) + { + return false; + } + } + } + } + } + return true; +} + /*}}}*/ // Type::ParseLine - Parse a single line /*{{{*/ // --------------------------------------------------------------------- /* This is a generic one that is the 'usual' format for sources.list Weird types may override this. */ bool pkgSourceList::Type::ParseLine(vector &List, const char *Buffer, - unsigned long CurLine, - string File) const + unsigned int const CurLine, + string const &File) const { + for (;Buffer != 0 && isspace(*Buffer); ++Buffer); // Skip whitespaces + + // Parse option field if it exists + // e.g.: [ option1=value1 option2=value2 ] + map Options; + { + std::string entry; + strprintf(entry, "%s:%i", File.c_str(), CurLine); + Options["sourceslist-entry"] = entry; + } + if (Buffer != 0 && Buffer[0] == '[') + { + ++Buffer; // ignore the [ + for (;Buffer != 0 && isspace(*Buffer); ++Buffer); // Skip whitespaces + while (*Buffer != ']') + { + // get one option, e.g. option1=value1 + string option; + if (ParseQuoteWord(Buffer,option) == false) + return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "[option] unparseable"); + + if (option.length() < 3) + return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "[option] too short"); + + // accept options even if the last has no space before the ]-end marker + if (option.at(option.length()-1) == ']') + { + for (; *Buffer != ']'; --Buffer); + option.resize(option.length()-1); + } + + size_t const needle = option.find('='); + if (needle == string::npos) + return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "[option] not assignment"); + + string const key = string(option, 0, needle); + string const value = string(option, needle + 1, option.length()); + + if (key.empty() == true) + return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "[option] no key"); + + if (value.empty() == true) + return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "[option] no value"); + + Options[key] = value; + } + ++Buffer; // ignore the ] + for (;Buffer != 0 && isspace(*Buffer); ++Buffer); // Skip whitespaces + } + string URI; string Dist; - string Section; - + string Section; + if (ParseQuoteWord(Buffer,URI) == false) - return _error->Error(_("Malformed line %lu in source list %s (URI)"),CurLine,File.c_str()); + return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "URI"); if (ParseQuoteWord(Buffer,Dist) == false) - return _error->Error(_("Malformed line %lu in source list %s (dist)"),CurLine,File.c_str()); - + return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "Suite"); + if (FixupURI(URI) == false) - return _error->Error(_("Malformed line %lu in source list %s (URI parse)"),CurLine,File.c_str()); - + return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "URI parse"); + // Check for an absolute dists specification. if (Dist.empty() == false && Dist[Dist.size() - 1] == '/') { if (ParseQuoteWord(Buffer,Section) == true) - return _error->Error(_("Malformed line %lu in source list %s (absolute dist)"),CurLine,File.c_str()); + return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "absolute Suite Component"); Dist = SubstVar(Dist,"$(ARCH)",_config->Find("APT::Architecture")); - return CreateItem(List,URI,Dist,Section); + return CreateItem(List, URI, Dist, Section, Options); } - + // Grab the rest of the dists if (ParseQuoteWord(Buffer,Section) == false) - return _error->Error(_("Malformed line %lu in source list %s (dist parse)"),CurLine,File.c_str()); - + return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "Component"); + do { - if (CreateItem(List,URI,Dist,Section) == false) + if (CreateItem(List, URI, Dist, Section, Options) == false) return false; } while (ParseQuoteWord(Buffer,Section) == true); - + return true; } /*}}}*/ - // SourceList::pkgSourceList - Constructors /*{{{*/ // --------------------------------------------------------------------- /* */ -pkgSourceList::pkgSourceList() +pkgSourceList::pkgSourceList() : d(NULL) { -} - -pkgSourceList::pkgSourceList(string File) -{ - Read(File); } /*}}}*/ // SourceList::~pkgSourceList - Destructor /*{{{*/ @@ -135,11 +285,14 @@ pkgSourceList::pkgSourceList(string File) /* */ pkgSourceList::~pkgSourceList() { - for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++) + for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I) delete *I; + SrcList.clear(); + for (auto F = VolatileFiles.begin(); F != VolatileFiles.end(); ++F) + delete (*F); + VolatileFiles.clear(); } /*}}}*/ - /*}}}*/ // SourceList::ReadMainList - Read the main source list from etc /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -157,36 +310,37 @@ bool pkgSourceList::ReadMainList() // CNC:2003-11-28 - Entries in sources.list have priority over // entries in sources.list.d. string Main = _config->FindFile("Dir::Etc::sourcelist"); - if (FileExists(Main) == true) + string Parts = _config->FindDir("Dir::Etc::sourceparts"); + + if (RealFileExists(Main) == true) Res &= ReadAppend(Main); - else - _error->WarningE("FileExists",_("Unable to read %s"),Main.c_str()); + else if (DirectoryExists(Parts) == false) + // Only warn if there are no sources.list.d. + _error->WarningE("DirectoryExists", _("Unable to read %s"), Parts.c_str()); - string Parts = _config->FindDir("Dir::Etc::sourceparts"); - if (FileExists(Parts) == true) + if (DirectoryExists(Parts) == true) Res &= ReadSourceDir(Parts); - else - _error->WarningE("FileExists",_("Unable to read %s"),Parts.c_str()); + else if (RealFileExists(Main) == false) + // Only warn if there is no sources.list file. + _error->WarningE("RealFileExists", _("Unable to read %s"), Main.c_str()); return Res; } /*}}}*/ -// CNC:2003-03-03 - Needed to preserve backwards compatibility. // SourceList::Reset - Clear the sourcelist contents /*{{{*/ // --------------------------------------------------------------------- /* */ void pkgSourceList::Reset() { - for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++) + for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I) delete *I; - SrcList.erase(SrcList.begin(),SrcList.end()); + SrcList.clear(); } /*}}}*/ -// CNC:2003-03-03 - Function moved to ReadAppend() and Reset(). // SourceList::Read - Parse the sourcelist file /*{{{*/ // --------------------------------------------------------------------- /* */ -bool pkgSourceList::Read(string File) +bool pkgSourceList::Read(string const &File) { Reset(); return ReadAppend(File); @@ -195,110 +349,130 @@ bool pkgSourceList::Read(string File) // SourceList::ReadAppend - Parse a sourcelist file /*{{{*/ // --------------------------------------------------------------------- /* */ -bool pkgSourceList::ReadAppend(string File) +bool pkgSourceList::ReadAppend(string const &File) +{ + if (flExtension(File) == "sources") + return ParseFileDeb822(File); + else + return ParseFileOldStyle(File); +} + /*}}}*/ +// SourceList::ReadFileOldStyle - Read Traditional style sources.list /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool pkgSourceList::ParseFileOldStyle(std::string const &File) { // Open the stream for reading ifstream F(File.c_str(),ios::in /*| ios::nocreate*/); - if (!F != 0) + if (F.fail() == true) return _error->Errno("ifstream::ifstream",_("Opening %s"),File.c_str()); - -#if 0 // Now Reset() does this. - for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++) - delete *I; - SrcList.erase(SrcList.begin(),SrcList.end()); -#endif - // CNC:2003-12-10 - 300 is too short. - char Buffer[1024]; - int CurLine = 0; - while (F.eof() == false) + std::string Buffer; + for (unsigned int CurLine = 1; std::getline(F, Buffer); ++CurLine) { - F.getline(Buffer,sizeof(Buffer)); - CurLine++; - _strtabexpand(Buffer,sizeof(Buffer)); - if (F.fail() && !F.eof()) - return _error->Error(_("Line %u too long in source list %s."), - CurLine,File.c_str()); - - - char *I; - // CNC:2003-02-20 - Do not break if '#' is inside []. - for (I = Buffer; *I != 0 && *I != '#'; I++) - if (*I == '[') - for (I++; *I != 0 && *I != ']'; I++); - *I = 0; - - const char *C = _strstrip(Buffer); - - // Comment or blank - if (C[0] == '#' || C[0] == 0) + // remove comments + size_t curpos = 0; + while ((curpos = Buffer.find('#', curpos)) != std::string::npos) + { + size_t const openbrackets = std::count(Buffer.begin(), Buffer.begin() + curpos, '['); + size_t const closedbrackets = std::count(Buffer.begin(), Buffer.begin() + curpos, ']'); + if (openbrackets > closedbrackets) + { + // a # in an option, unlikely, but oh well, it was supported so stick to it + ++curpos; + continue; + } + Buffer.erase(curpos); + break; + } + // remove spaces before/after + curpos = Buffer.find_first_not_of(" \t\r"); + if (curpos != 0) + Buffer.erase(0, curpos); + curpos = Buffer.find_last_not_of(" \t\r"); + if (curpos != std::string::npos) + Buffer.erase(curpos + 1); + + if (Buffer.empty()) continue; - + // Grok it - string LineType; - if (ParseQuoteWord(C,LineType) == false) + std::string const LineType = Buffer.substr(0, Buffer.find_first_of(" \t\v")); + if (LineType.empty() || LineType == Buffer) return _error->Error(_("Malformed line %u in source list %s (type)"),CurLine,File.c_str()); Type *Parse = Type::GetType(LineType.c_str()); if (Parse == 0) return _error->Error(_("Type '%s' is not known on line %u in source list %s"),LineType.c_str(),CurLine,File.c_str()); - - // Vendor name specified - if (C[0] == '[') - { - string VendorID; - - if (ParseQuoteWord(C,VendorID) == false) - return _error->Error(_("Malformed line %u in source list %s (vendor id)"),CurLine,File.c_str()); - - if (VendorID.length() < 2 || VendorID.end()[-1] != ']') - return _error->Error(_("Malformed line %u in source list %s (vendor id)"),CurLine,File.c_str()); - VendorID = string(VendorID,1,VendorID.size()-2); - -// for (vector::const_iterator iter = VendorList.begin(); -// iter != VendorList.end(); iter++) -// { -// if ((*iter)->GetVendorID() == VendorID) -// { -// if (_config->FindB("Debug::sourceList", false)) -// std::cerr << "Comparing VendorID \"" << VendorID << "\" with \"" << (*iter)->GetVendorID() << '"' << std::endl; -// Verifier = *iter; -// break; -// } -// } - -// if (Verifier == 0) -// return _error->Error(_("Unknown vendor ID '%s' in line %u of source list %s"), -// VendorID.c_str(),CurLine,File.c_str()); - } - if (Parse->ParseLine(SrcList,C,CurLine,File) == false) + if (Parse->ParseLine(SrcList, Buffer.c_str() + LineType.length(), CurLine, File) == false) return false; } return true; } /*}}}*/ -// SourceList::FindIndex - Get the index associated with a file /*{{{*/ +// SourceList::ParseFileDeb822 - Parse deb822 style sources.list /*{{{*/ // --------------------------------------------------------------------- -/* */ -bool pkgSourceList::FindIndex(pkgCache::PkgFileIterator File, - pkgIndexFile *&Found) const +/* Returns: the number of stanzas parsed*/ +bool pkgSourceList::ParseFileDeb822(string const &File) { - for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++) + pkgUserTagSection Tags; + unsigned int i = 1; + + // see if we can read the file + FileFd Fd(File, FileFd::ReadOnly); + pkgTagFile Sources(&Fd); + if (Fd.IsOpen() == false || Fd.Failed()) + return _error->Error(_("Malformed stanza %u in source list %s (type)"),i,File.c_str()); + + // read step by step + while (Sources.Step(Tags) == true) { - vector *Indexes = (*I)->GetIndexFiles(); - for (vector::const_iterator J = Indexes->begin(); - J != Indexes->end(); J++) + if(Tags.Exists("Types") == false) + return _error->Error(_("Malformed stanza %u in source list %s (type)"),i,File.c_str()); + + string const types = Tags.FindS("Types"); + std::vector const list_types = VectorizeString(types, ' '); + for (std::vector::const_iterator I = list_types.begin(); + I != list_types.end(); ++I) { - if ((*J)->FindInCache(*File.Cache()) == File) + Type *Parse = Type::GetType((*I).c_str()); + if (Parse == 0) { - Found = (*J); - return true; + _error->Error(_("Type '%s' is not known on stanza %u in source list %s"), (*I).c_str(),i,Fd.Name().c_str()); + return false; } + + if (!Parse->ParseStanza(SrcList, Tags, i, Fd)) + return false; + + ++i; } } - + return true; +} + /*}}}*/ +// SourceList::FindIndex - Get the index associated with a file /*{{{*/ +static bool FindInIndexFileContainer(std::vector const &Cont, pkgCache::PkgFileIterator const &File, pkgIndexFile *&Found) +{ + auto const J = std::find_if(Cont.begin(), Cont.end(), [&File](pkgIndexFile const * const J) { + return J->FindInCache(*File.Cache()) == File; + }); + if (J != Cont.end()) + { + Found = (*J); + return true; + } return false; +} +bool pkgSourceList::FindIndex(pkgCache::PkgFileIterator File, + pkgIndexFile *&Found) const +{ + for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I) + if (FindInIndexFileContainer(*(*I)->GetIndexFiles(), File, Found)) + return true; + + return FindInIndexFileContainer(VolatileFiles, File, Found); } /*}}}*/ // SourceList::GetIndexes - Load the index files into the downloader /*{{{*/ @@ -306,7 +480,7 @@ bool pkgSourceList::FindIndex(pkgCache::PkgFileIterator File, /* */ bool pkgSourceList::GetIndexes(pkgAcquire *Owner, bool GetAll) const { - for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++) + for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I) if ((*I)->GetIndexes(Owner,GetAll) == false) return false; return true; @@ -317,50 +491,52 @@ bool pkgSourceList::GetIndexes(pkgAcquire *Owner, bool GetAll) const // Based on ReadConfigDir() /*{{{*/ // --------------------------------------------------------------------- /* */ -bool pkgSourceList::ReadSourceDir(string Dir) +bool pkgSourceList::ReadSourceDir(string const &Dir) { - DIR *D = opendir(Dir.c_str()); - if (D == 0) - return _error->Errno("opendir",_("Unable to read %s"),Dir.c_str()); - - vector List; - - for (struct dirent *Ent = readdir(D); Ent != 0; Ent = readdir(D)) - { - if (Ent->d_name[0] == '.') - continue; - - // CNC:2003-12-02 Only accept .list files as valid sourceparts - if (flExtension(Ent->d_name) != "list") - continue; - - // Skip bad file names ala run-parts - const char *C = Ent->d_name; - for (; *C != 0; C++) - if (isalpha(*C) == 0 && isdigit(*C) == 0 - && *C != '_' && *C != '-' && *C != '.') - break; - if (*C != 0) - continue; - - // Make sure it is a file and not something else - string File = flCombine(Dir,Ent->d_name); - struct stat St; - if (stat(File.c_str(),&St) != 0 || S_ISREG(St.st_mode) == 0) - continue; - - List.push_back(File); - } - closedir(D); - - sort(List.begin(),List.end()); + std::vector ext; + ext.push_back("list"); + ext.push_back("sources"); + std::vector const List = GetListOfFilesInDir(Dir, ext, true); // Read the files - for (vector::const_iterator I = List.begin(); I != List.end(); I++) + for (vector::const_iterator I = List.begin(); I != List.end(); ++I) if (ReadAppend(*I) == false) return false; return true; } /*}}}*/ +// GetLastModified() /*{{{*/ +// --------------------------------------------------------------------- +/* */ +time_t pkgSourceList::GetLastModifiedTime() +{ + vector List; + + string Main = _config->FindFile("Dir::Etc::sourcelist"); + string Parts = _config->FindDir("Dir::Etc::sourceparts"); + + // go over the parts + if (DirectoryExists(Parts) == true) + List = GetListOfFilesInDir(Parts, "list", true); + // calculate the time + std::vector modtimes; + modtimes.reserve(1 + List.size()); + modtimes.push_back(GetModificationTime(Main)); + std::transform(List.begin(), List.end(), std::back_inserter(modtimes), GetModificationTime); + auto const maxmtime = std::max_element(modtimes.begin(), modtimes.end()); + return *maxmtime; +} + /*}}}*/ +std::vector pkgSourceList::GetVolatileFiles() const /*{{{*/ +{ + return VolatileFiles; +} + /*}}}*/ +void pkgSourceList::AddVolatileFile(pkgIndexFile * const File) /*{{{*/ +{ + if (File != NULL) + VolatileFiles.push_back(File); +} + /*}}}*/