diff options
Diffstat (limited to 'apt-pkg/deb/deblistparser.cc')
| -rw-r--r-- | apt-pkg/deb/deblistparser.cc | 178 |
1 files changed, 148 insertions, 30 deletions
diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc index 68d544e1f..a1bcfb710 100644 --- a/apt-pkg/deb/deblistparser.cc +++ b/apt-pkg/deb/deblistparser.cc @@ -21,8 +21,17 @@ #include <apt-pkg/fileutl.h> #include <apt-pkg/crc-16.h> #include <apt-pkg/md5.h> +#include <apt-pkg/mmap.h> +#include <apt-pkg/pkgcache.h> +#include <apt-pkg/cacheiterators.h> +#include <apt-pkg/tagfile.h> #include <apt-pkg/macros.h> +#include <stddef.h> +#include <string.h> +#include <algorithm> +#include <string> +#include <vector> #include <ctype.h> /*}}}*/ @@ -34,7 +43,7 @@ static debListParser::WordList PrioList[] = { {"standard",pkgCache::State::Standard}, {"optional",pkgCache::State::Optional}, {"extra",pkgCache::State::Extra}, - {}}; + {NULL, 0}}; // ListParser::debListParser - Constructor /*{{{*/ // --------------------------------------------------------------------- @@ -95,44 +104,49 @@ string debListParser::Version() return Section.FindS("Version"); } /*}}}*/ -// ListParser::NewVersion - Fill in the version structure /*{{{*/ -// --------------------------------------------------------------------- -/* */ -bool debListParser::NewVersion(pkgCache::VerIterator &Ver) +unsigned char debListParser::ParseMultiArch(bool const showErrors) /*{{{*/ { - // Parse the section - Ver->Section = UniqFindTagWrite("Section"); - - // Parse multi-arch + unsigned char MA; string const MultiArch = Section.FindS("Multi-Arch"); if (MultiArch.empty() == true) - Ver->MultiArch = pkgCache::Version::None; + MA = pkgCache::Version::None; else if (MultiArch == "same") { - // Parse multi-arch if (ArchitectureAll() == true) { - /* Arch all packages can't be Multi-Arch: same */ - _error->Warning("Architecture: all package '%s' can't be Multi-Arch: same", - Section.FindS("Package").c_str()); - Ver->MultiArch = pkgCache::Version::None; + if (showErrors == true) + _error->Warning("Architecture: all package '%s' can't be Multi-Arch: same", + Section.FindS("Package").c_str()); + MA = pkgCache::Version::None; } else - Ver->MultiArch = pkgCache::Version::Same; + MA = pkgCache::Version::Same; } else if (MultiArch == "foreign") - Ver->MultiArch = pkgCache::Version::Foreign; + MA = pkgCache::Version::Foreign; else if (MultiArch == "allowed") - Ver->MultiArch = pkgCache::Version::Allowed; + MA = pkgCache::Version::Allowed; else { - _error->Warning("Unknown Multi-Arch type '%s' for package '%s'", - MultiArch.c_str(), Section.FindS("Package").c_str()); - Ver->MultiArch = pkgCache::Version::None; + if (showErrors == true) + _error->Warning("Unknown Multi-Arch type '%s' for package '%s'", + MultiArch.c_str(), Section.FindS("Package").c_str()); + MA = pkgCache::Version::None; } if (ArchitectureAll() == true) - Ver->MultiArch |= pkgCache::Version::All; + MA |= pkgCache::Version::All; + return MA; +} + /*}}}*/ +// ListParser::NewVersion - Fill in the version structure /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool debListParser::NewVersion(pkgCache::VerIterator &Ver) +{ + // Parse the section + Ver->Section = UniqFindTagWrite("Section"); + Ver->MultiArch = ParseMultiArch(true); // Archive Size Ver->Size = Section.FindULL("Size"); // Unpacked Size (in K) @@ -354,7 +368,7 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator &Pkg, {"hold",pkgCache::State::Hold}, {"deinstall",pkgCache::State::DeInstall}, {"purge",pkgCache::State::Purge}, - {}}; + {NULL, 0}}; if (GrabWord(string(Start,I-Start),WantList,Pkg->SelectedState) == false) return _error->Error("Malformed 1st word in the Status line"); @@ -370,7 +384,7 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator &Pkg, {"reinstreq",pkgCache::State::ReInstReq}, {"hold",pkgCache::State::HoldInst}, {"hold-reinstreq",pkgCache::State::HoldReInstReq}, - {}}; + {NULL, 0}}; if (GrabWord(string(Start,I-Start),FlagList,Pkg->InstState) == false) return _error->Error("Malformed 2nd word in the Status line"); @@ -392,7 +406,7 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator &Pkg, {"triggers-pending",pkgCache::State::TriggersPending}, {"post-inst-failed",pkgCache::State::HalfConfigured}, {"removal-failed",pkgCache::State::HalfInstalled}, - {}}; + {NULL, 0}}; if (GrabWord(string(Start,I-Start),StatusList,Pkg->CurrentState) == false) return _error->Error("Malformed 3rd word in the Status line"); @@ -475,17 +489,30 @@ const char *debListParser::ConvertRelation(const char *I,unsigned int &Op) /* This parses the dependency elements out of a standard string in place, bit by bit. */ const char *debListParser::ParseDepends(const char *Start,const char *Stop, + std::string &Package,std::string &Ver,unsigned int &Op) + { return ParseDepends(Start, Stop, Package, Ver, Op, false, true, false); } +const char *debListParser::ParseDepends(const char *Start,const char *Stop, + std::string &Package,std::string &Ver,unsigned int &Op, + bool const &ParseArchFlags) + { return ParseDepends(Start, Stop, Package, Ver, Op, ParseArchFlags, true, false); } +const char *debListParser::ParseDepends(const char *Start,const char *Stop, + std::string &Package,std::string &Ver,unsigned int &Op, + bool const &ParseArchFlags, bool const &StripMultiArch) + { return ParseDepends(Start, Stop, Package, Ver, Op, ParseArchFlags, StripMultiArch, false); } +const char *debListParser::ParseDepends(const char *Start,const char *Stop, string &Package,string &Ver, unsigned int &Op, bool const &ParseArchFlags, - bool const &StripMultiArch) + bool const &StripMultiArch, + bool const &ParseRestrictionsList) { // Strip off leading space - for (;Start != Stop && isspace(*Start) != 0; Start++); + for (;Start != Stop && isspace(*Start) != 0; ++Start); // Parse off the package name const char *I = Start; for (;I != Stop && isspace(*I) == 0 && *I != '(' && *I != ')' && - *I != ',' && *I != '|' && *I != '[' && *I != ']'; I++); + *I != ',' && *I != '|' && *I != '[' && *I != ']' && + *I != '<' && *I != '>'; ++I); // Malformed, no '(' if (I != Stop && *I == ')') @@ -602,6 +629,76 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop, for (;I != Stop && isspace(*I) != 0; I++); } + if (ParseRestrictionsList == true) + { + // Parse a restrictions list + if (I != Stop && *I == '<') + { + ++I; + // malformed + if (unlikely(I == Stop)) + return 0; + + std::vector<string> const profiles = APT::Configuration::getBuildProfiles(); + + const char *End = I; + bool Found = false; + bool NegRestriction = false; + while (I != Stop) + { + // look for whitespace or ending '>' + for (;End != Stop && !isspace(*End) && *End != '>'; ++End); + + if (unlikely(End == Stop)) + return 0; + + if (*I == '!') + { + NegRestriction = true; + ++I; + } + + std::string restriction(I, End); + + std::string prefix = "profile."; + // only support for "profile" prefix, ignore others + if (restriction.size() > prefix.size() && + restriction.substr(0, prefix.size()) == prefix) + { + // get the name of the profile + restriction = restriction.substr(prefix.size()); + + if (restriction.empty() == false && profiles.empty() == false && + std::find(profiles.begin(), profiles.end(), restriction) != profiles.end()) + { + Found = true; + if (I[-1] != '!') + NegRestriction = false; + // we found a match, so fast-forward to the end of the wildcards + for (; End != Stop && *End != '>'; ++End); + } + } + + if (*End++ == '>') { + I = End; + break; + } + + I = End; + for (;I != Stop && isspace(*I) != 0; I++); + } + + if (NegRestriction == true) + Found = !Found; + + if (Found == false) + Package = ""; /* not for this restriction */ + } + + // Skip whitespace + for (;I != Stop && isspace(*I) != 0; I++); + } + if (I != Stop && *I == '|') Op |= pkgCache::Dep::Or; @@ -635,7 +732,7 @@ bool debListParser::ParseDepends(pkgCache::VerIterator &Ver, string Version; unsigned int Op; - Start = ParseDepends(Start, Stop, Package, Version, Op, false, false); + Start = ParseDepends(Start, Stop, Package, Version, Op, false, false, false); if (Start == 0) return _error->Error("Problem parsing dependency %s",Tag); size_t const found = Package.rfind(':'); @@ -758,7 +855,7 @@ bool debListParser::GrabWord(string Word,WordList *List,unsigned char &Out) /*}}}*/ // ListParser::Step - Move to the next section in the file /*{{{*/ // --------------------------------------------------------------------- -/* This has to be carefull to only process the correct architecture */ +/* This has to be careful to only process the correct architecture */ bool debListParser::Step() { iOffset = Tags.Offset(); @@ -841,3 +938,24 @@ unsigned char debListParser::GetPrio(string Str) return Out; } /*}}}*/ +#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13) +bool debListParser::SameVersion(unsigned short const Hash, /*{{{*/ + pkgCache::VerIterator const &Ver) +{ + if (pkgCacheGenerator::ListParser::SameVersion(Hash, Ver) == false) + return false; + // status file has no (Download)Size, but all others are fair game + // status file is parsed last, so the first version we encounter is + // probably also the version we have downloaded + unsigned long long const Size = Section.FindULL("Size"); + if (Size != 0 && Size != Ver->Size) + return false; + // available everywhere, but easier to check here than to include in VersionHash + unsigned char MultiArch = ParseMultiArch(false); + if (MultiArch != Ver->MultiArch) + return false; + // for all practical proposes (we can check): same version + return true; +} + /*}}}*/ +#endif |