X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/4194c9aee2766845618ef0431fd4803b0467aab7..55ae7a516126f9f064d8353bf962256b7307590a:/apt-pkg/sourcelist.cc diff --git a/apt-pkg/sourcelist.cc b/apt-pkg/sourcelist.cc index 5e4a58e95..31d87a403 100644 --- a/apt-pkg/sourcelist.cc +++ b/apt-pkg/sourcelist.cc @@ -18,8 +18,18 @@ #include #include #include - +#include +#include + +#include +#include +#include +#include +#include +#include +#include #include +#include #include /*}}}*/ @@ -27,25 +37,26 @@ 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() : Name(NULL), Label(NULL) +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; @@ -71,13 +82,109 @@ 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))); + + 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 const &CurLine, + unsigned int const CurLine, string const &File) const { for (;Buffer != 0 && isspace(*Buffer); ++Buffer); // Skip whitespaces @@ -85,6 +192,11 @@ bool pkgSourceList::Type::ParseLine(vector &List, // 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 [ @@ -94,10 +206,10 @@ bool pkgSourceList::Type::ParseLine(vector &List, // get one option, e.g. option1=value1 string option; if (ParseQuoteWord(Buffer,option) == false) - return _error->Error(_("Malformed line %lu in source list %s ([option] unparseable)"),CurLine,File.c_str()); + 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 line %lu in source list %s ([option] too short)"),CurLine,File.c_str()); + 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) == ']') @@ -108,16 +220,16 @@ bool pkgSourceList::Type::ParseLine(vector &List, size_t const needle = option.find('='); if (needle == string::npos) - return _error->Error(_("Malformed line %lu in source list %s ([%s] is not an assignment)"),CurLine,File.c_str(), option.c_str()); + 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 line %lu in source list %s ([%s] has no key)"),CurLine,File.c_str(), option.c_str()); + 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 line %lu in source list %s ([%s] key %s has no value)"),CurLine,File.c_str(),option.c_str(),key.c_str()); + return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "[option] no value"); Options[key] = value; } @@ -130,46 +242,41 @@ bool pkgSourceList::Type::ParseLine(vector &List, 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, 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, Options) == false) return false; } while (ParseQuoteWord(Buffer,Section) == true); - + return true; } /*}}}*/ // SourceList::pkgSourceList - Constructors /*{{{*/ // --------------------------------------------------------------------- /* */ -pkgSourceList::pkgSourceList() -{ -} - -pkgSourceList::pkgSourceList(string File) +pkgSourceList::pkgSourceList() : d(NULL) { - Read(File); } /*}}}*/ // SourceList::~pkgSourceList - Destructor /*{{{*/ @@ -179,6 +286,10 @@ pkgSourceList::~pkgSourceList() { 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 /*{{{*/ @@ -222,13 +333,13 @@ void pkgSourceList::Reset() { for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I) delete *I; - SrcList.erase(SrcList.begin(),SrcList.end()); + SrcList.clear(); } /*}}}*/ // SourceList::Read - Parse the sourcelist file /*{{{*/ // --------------------------------------------------------------------- /* */ -bool pkgSourceList::Read(string File) +bool pkgSourceList::Read(string const &File) { Reset(); return ReadAppend(File); @@ -237,71 +348,63 @@ bool pkgSourceList::Read(string File) // SourceList::ReadAppend - Parse a sourcelist file /*{{{*/ // --------------------------------------------------------------------- /* */ -bool pkgSourceList::ReadAppend(string File) +bool pkgSourceList::ReadAppend(string const &File) { - if (_config->FindB("APT::Sources::Use-Deb822", true) == true) - { - int lines_parsed =ParseFileDeb822(File); - if (lines_parsed < 0) - return false; - else if (lines_parsed > 0) - return true; - // no lines parsed ... fall through and use old style parser - } - return ParseFileOldStyle(File); + if (flExtension(File) == "sources") + return ParseFileDeb822(File); + else + return ParseFileOldStyle(File); } - + /*}}}*/ // SourceList::ReadFileOldStyle - Read Traditional style sources.list /*{{{*/ // --------------------------------------------------------------------- /* */ -bool pkgSourceList::ParseFileOldStyle(string File) +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()); - // 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 == '[') - { - char *b_end = strchr(I + 1, ']'); - if (b_end != NULL) - I = b_end; - } - *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()); - - if (Parse->ParseLine(SrcList, C, CurLine, File) == false) + + if (Parse->ParseLine(SrcList, Buffer.c_str() + LineType.length(), CurLine, File) == false) return false; } return true; @@ -310,96 +413,65 @@ bool pkgSourceList::ParseFileOldStyle(string File) // SourceList::ParseFileDeb822 - Parse deb822 style sources.list /*{{{*/ // --------------------------------------------------------------------- /* Returns: the number of stanzas parsed*/ -int pkgSourceList::ParseFileDeb822(string File) +bool pkgSourceList::ParseFileDeb822(string const &File) { - pkgTagSection Tags; - map Options; - unsigned int i=0; + pkgUserTagSection Tags; + unsigned int i = 1; // see if we can read the file - _error->PushToStack(); FileFd Fd(File, FileFd::ReadOnly); pkgTagFile Sources(&Fd); if (_error->PendingError() == true) - { - _error->RevertToStack(); - return 0; - } - _error->MergeWithStack(); - + return _error->Error(_("Malformed stanza %u in source list %s (type)"),i,File.c_str()); + // read step by step while (Sources.Step(Tags) == true) { - if(!Tags.Exists("Type")) - continue; + if(Tags.Exists("Types") == false) + return _error->Error(_("Malformed stanza %u in source list %s (type)"),i,File.c_str()); - string const type = Tags.FindS("Type"); - Type *Parse = Type::GetType(type.c_str()); - if (Parse == 0) - { - _error->Error(_("Type '%s' is not known on stanza %u in source list %s"),type.c_str(),i,Fd.Name().c_str()); - // true means we do not retry with old-style sources.list - return -1; - } - - string URI = Tags.FindS("URL"); - if (!Parse->FixupURI(URI)) + 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) { - _error->Error(_("Malformed stanza %u in source list %s (URI parse)"),i,Fd.Name().c_str()); - // means we do not retry with old-style sources.list - return -1; - } + Type *Parse = Type::GetType((*I).c_str()); + if (Parse == 0) + { + _error->Error(_("Type '%s' is not known on stanza %u in source list %s"), (*I).c_str(),i,Fd.Name().c_str()); + return false; + } - string Dist = Tags.FindS("Dist"); - Dist = SubstVar(Dist,"$(ARCH)",_config->Find("APT::Architecture")); + if (!Parse->ParseStanza(SrcList, Tags, i, Fd)) + return false; - // check if there are any options we support - const char* option_str[] = { - "arch", "arch+", "arch-", "trusted", - }; - for (unsigned int j=0; j < sizeof(option_str)/sizeof(char*); j++) - if (Tags.Exists(option_str[j])) - Options[option_str[j]] = Tags.FindS(option_str[j]); - - // now create one item per section - string const Section = Tags.FindS("Section"); - std::vector list; - if (Section.find(",")) - list = StringSplit(Section, ","); - else - list = StringSplit(Section, " "); - for (std::vector::const_iterator I = list.begin(); - I != list.end(); I++) - Parse->CreateItem(SrcList, URI, Dist, (*I), Options); - - i++; + ++i; + } } - - // we are done, return the number of stanzas read - return 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) - { - vector *Indexes = (*I)->GetIndexFiles(); - for (vector::const_iterator J = Indexes->begin(); - J != Indexes->end(); ++J) - { - if ((*J)->FindInCache(*File.Cache()) == File) - { - Found = (*J); - return true; - } - } - } + if (FindInIndexFileContainer(*(*I)->GetIndexFiles(), File, Found)) + return true; - return false; + return FindInIndexFileContainer(VolatileFiles, File, Found); } /*}}}*/ // SourceList::GetIndexes - Load the index files into the downloader /*{{{*/ @@ -418,9 +490,12 @@ bool pkgSourceList::GetIndexes(pkgAcquire *Owner, bool GetAll) const // Based on ReadConfigDir() /*{{{*/ // --------------------------------------------------------------------- /* */ -bool pkgSourceList::ReadSourceDir(string Dir) +bool pkgSourceList::ReadSourceDir(string const &Dir) { - vector const List = GetListOfFilesInDir(Dir, "list", true); + 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) @@ -445,11 +520,22 @@ time_t pkgSourceList::GetLastModifiedTime() List = GetListOfFilesInDir(Parts, "list", true); // calculate the time - time_t mtime_sources = GetModificationTime(Main); - for (vector::const_iterator I = List.begin(); I != List.end(); ++I) - mtime_sources = std::max(mtime_sources, GetModificationTime(*I)); - - return mtime_sources; + 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); } /*}}}*/ -