#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>
/*}}}*/
{"standard",pkgCache::State::Standard},
{"optional",pkgCache::State::Optional},
{"extra",pkgCache::State::Extra},
- {}};
+ {NULL, 0}};
// ListParser::debListParser - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* Provide an architecture and only this one and "all" will be accepted
in Step(), if no Architecture is given we will accept every arch
we would accept in general with checkArchitecture() */
-debListParser::debListParser(FileFd *File, string const &Arch) : Tags(File),
+debListParser::debListParser(FileFd *File, string const &Arch) : d(NULL), Tags(File),
Arch(Arch) {
if (Arch == "native")
this->Arch = _config->Find("APT::Architecture");
MultiArchEnabled = Architectures.size() > 1;
}
/*}}}*/
-// ListParser::UniqFindTagWrite - Find the tag and write a unq string /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-unsigned long debListParser::UniqFindTagWrite(const char *Tag)
-{
- const char *Start;
- const char *Stop;
- if (Section.Find(Tag,Start,Stop) == false)
- return 0;
- return WriteUniqString(Start,Stop - Start);
-}
- /*}}}*/
// ListParser::Package - Return the package name /*{{{*/
// ---------------------------------------------------------------------
/* This is to return the name of the package this section describes */
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;
+ if (MultiArch.empty() == true || MultiArch == "no")
+ 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)
+{
+ const char *Start;
+ const char *Stop;
+
+ // Parse the section
+ if (Section.Find("Section",Start,Stop) == true)
+ {
+ map_stringitem_t const idx = StoreString(pkgCacheGenerator::SECTION, Start, Stop - Start);
+ Ver->Section = idx;
+ }
+ // Parse the source package name
+ pkgCache::GrpIterator const G = Ver.ParentPkg().Group();
+ Ver->SourcePkgName = G->Name;
+ Ver->SourceVerStr = Ver->VerStr;
+ if (Section.Find("Source",Start,Stop) == true)
+ {
+ const char * const Space = (const char * const) memchr(Start, ' ', Stop - Start);
+ pkgCache::VerIterator V;
+
+ if (Space != NULL)
+ {
+ Stop = Space;
+ const char * const Open = (const char * const) memchr(Space, '(', Stop - Space);
+ if (likely(Open != NULL))
+ {
+ const char * const Close = (const char * const) memchr(Open, ')', Stop - Open);
+ if (likely(Close != NULL))
+ {
+ std::string const version(Open + 1, (Close - Open) - 1);
+ if (version != Ver.VerStr())
+ {
+ map_stringitem_t const idx = StoreString(pkgCacheGenerator::VERSIONNUMBER, version);
+ Ver->SourceVerStr = idx;
+ }
+ }
+ }
+ }
+
+ std::string const pkgname(Start, Stop - Start);
+ if (pkgname != G.Name())
+ {
+ for (pkgCache::PkgIterator P = G.PackageList(); P.end() == false; P = G.NextPkg(P))
+ {
+ for (V = P.VersionList(); V.end() == false; ++V)
+ {
+ if (pkgname == V.SourcePkgName())
+ {
+ Ver->SourcePkgName = V->SourcePkgName;
+ break;
+ }
+ }
+ if (V.end() == false)
+ break;
+ }
+ if (V.end() == true)
+ {
+ map_stringitem_t const idx = StoreString(pkgCacheGenerator::PKGNAME, pkgname);
+ Ver->SourcePkgName = idx;
+ }
+ }
+ }
+
+ Ver->MultiArch = ParseMultiArch(true);
// Archive Size
Ver->Size = Section.FindULL("Size");
// Unpacked Size (in K)
Ver->InstalledSize *= 1024;
// Priority
- const char *Start;
- const char *Stop;
if (Section.Find("Priority",Start,Stop) == true)
- {
+ {
if (GrabWord(string(Start,Stop-Start),PrioList,Ver->Priority) == false)
Ver->Priority = pkgCache::State::Extra;
}
- if (ParseDepends(Ver,"Depends",pkgCache::Dep::Depends) == false)
- return false;
if (ParseDepends(Ver,"Pre-Depends",pkgCache::Dep::PreDepends) == false)
return false;
- if (ParseDepends(Ver,"Suggests",pkgCache::Dep::Suggests) == false)
- return false;
- if (ParseDepends(Ver,"Recommends",pkgCache::Dep::Recommends) == false)
+ if (ParseDepends(Ver,"Depends",pkgCache::Dep::Depends) == false)
return false;
if (ParseDepends(Ver,"Conflicts",pkgCache::Dep::Conflicts) == false)
return false;
if (ParseDepends(Ver,"Breaks",pkgCache::Dep::DpkgBreaks) == false)
return false;
+ if (ParseDepends(Ver,"Recommends",pkgCache::Dep::Recommends) == false)
+ return false;
+ if (ParseDepends(Ver,"Suggests",pkgCache::Dep::Suggests) == false)
+ return false;
if (ParseDepends(Ver,"Replaces",pkgCache::Dep::Replaces) == false)
return false;
if (ParseDepends(Ver,"Enhances",pkgCache::Dep::Enhances) == false)
return false;
-
// Obsolete.
if (ParseDepends(Ver,"Optional",pkgCache::Dep::Suggests) == false)
return false;
/* This is to return the string describing the package in debian
form. If this returns the blank string then the entry is assumed to
only describe package properties */
-string debListParser::Description()
+string debListParser::Description(std::string const &lang)
{
- string const lang = DescriptionLanguage();
if (lang.empty())
return Section.FindS("Description");
else
return Section.FindS(string("Description-").append(lang).c_str());
}
- /*}}}*/
-// ListParser::DescriptionLanguage - Return the description lang string /*{{{*/
-// ---------------------------------------------------------------------
-/* This is to return the string describing the language of
- description. If this returns the blank string then the entry is
- assumed to describe original description. */
-string debListParser::DescriptionLanguage()
+ /*}}}*/
+// ListParser::AvailableDescriptionLanguages /*{{{*/
+std::vector<std::string> debListParser::AvailableDescriptionLanguages()
{
- if (Section.FindS("Description").empty() == false)
- return "";
-
- std::vector<string> const lang = APT::Configuration::getLanguages(true);
- for (std::vector<string>::const_iterator l = lang.begin();
- l != lang.end(); ++l)
- if (Section.FindS(string("Description-").append(*l).c_str()).empty() == false)
- return *l;
-
- return "";
+ std::vector<std::string> const understood = APT::Configuration::getLanguages();
+ std::vector<std::string> avail;
+ if (Section.Exists("Description") == true)
+ avail.push_back("");
+ for (std::vector<std::string>::const_iterator lang = understood.begin(); lang != understood.end(); ++lang)
+ {
+ std::string const tagname = "Description-" + *lang;
+ if (Section.Exists(tagname.c_str()) == true)
+ avail.push_back(*lang);
+ }
+ return avail;
}
- /*}}}*/
-// ListParser::Description - Return the description_md5 MD5SumValue /*{{{*/
+ /*}}}*/
+// ListParser::Description_md5 - Return the description_md5 MD5SumValue /*{{{*/
// ---------------------------------------------------------------------
/* This is to return the md5 string to allow the check if it is the right
description. If no Description-md5 is found in the section it will be
string const value = Section.FindS("Description-md5");
if (value.empty() == true)
{
- std::string const desc = Description() + "\n";
+ std::string const desc = Description("") + "\n";
if (desc == "\n")
return MD5SumValue();
bool debListParser::UsePackage(pkgCache::PkgIterator &Pkg,
pkgCache::VerIterator &Ver)
{
- if (Pkg->Section == 0)
- Pkg->Section = UniqFindTagWrite("Section");
-
string const static myArch = _config->Find("APT::Architecture");
// Possible values are: "all", "native", "installed" and "none"
// The "installed" mode is handled by ParseStatus(), See #544481 and friends.
/* Status lines are of the form,
Status: want flag status
want = unknown, install, hold, deinstall, purge
- flag = ok, reinstreq, hold, hold-reinstreq
- status = not-installed, unpacked, half-configured,
- half-installed, config-files, post-inst-failed,
- removal-failed, installed
-
- Some of the above are obsolete (I think?) flag = hold-* and
- status = post-inst-failed, removal-failed at least.
+ flag = ok, reinstreq
+ status = not-installed, config-files, half-installed, unpacked,
+ half-configured, triggers-awaited, triggers-pending, installed
*/
bool debListParser::ParseStatus(pkgCache::PkgIterator &Pkg,
pkgCache::VerIterator &Ver)
{"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");
{"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");
// Process the flag field
WordList StatusList[] = {{"not-installed",pkgCache::State::NotInstalled},
+ {"config-files",pkgCache::State::ConfigFiles},
+ {"half-installed",pkgCache::State::HalfInstalled},
{"unpacked",pkgCache::State::UnPacked},
{"half-configured",pkgCache::State::HalfConfigured},
- {"installed",pkgCache::State::Installed},
- {"half-installed",pkgCache::State::HalfInstalled},
- {"config-files",pkgCache::State::ConfigFiles},
{"triggers-awaited",pkgCache::State::TriggersAwaited},
{"triggers-pending",pkgCache::State::TriggersPending},
- {"post-inst-failed",pkgCache::State::HalfConfigured},
- {"removal-failed",pkgCache::State::HalfInstalled},
- {}};
+ {"installed",pkgCache::State::Installed},
+ {NULL, 0}};
if (GrabWord(string(Start,I-Start),StatusList,Pkg->CurrentState) == false)
return _error->Error("Malformed 3rd word in the Status line");
// ---------------------------------------------------------------------
/* 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 == ')')
for (;I != Stop && isspace(*I) != 0; I++);
}
+ if (ParseRestrictionsList == true)
+ {
+ // Parse a restrictions formula which is in disjunctive normal form:
+ // (foo AND bar) OR (blub AND bla)
+
+ std::vector<string> const profiles = APT::Configuration::getBuildProfiles();
+
+ // if the next character is a restriction list, then by default the
+ // dependency does not apply and the conditions have to be checked
+ // if the next character is not a restriction list, then by default the
+ // dependency applies
+ bool applies1 = (*I != '<');
+ while (I != Stop)
+ {
+ if (*I != '<')
+ break;
+
+ ++I;
+ // malformed
+ if (unlikely(I == Stop))
+ return 0;
+
+ const char *End = I;
+
+ // if of the prior restriction list is already fulfilled, then
+ // we can just skip to the end of the current list
+ if (applies1) {
+ for (;End != Stop && *End != '>'; ++End);
+ I = ++End;
+ // skip whitespace
+ for (;I != Stop && isspace(*I) != 0; I++);
+ } else {
+ bool applies2 = true;
+ // all the conditions inside a restriction list have to be
+ // met so once we find one that is not met, we can skip to
+ // the end of this list
+ while (I != Stop)
+ {
+ // look for whitespace or ending '>'
+ // End now points to the character after the current term
+ for (;End != Stop && !isspace(*End) && *End != '>'; ++End);
+
+ if (unlikely(End == Stop))
+ return 0;
+
+ bool NegRestriction = false;
+ if (*I == '!')
+ {
+ NegRestriction = true;
+ ++I;
+ }
+
+ std::string restriction(I, End);
+
+ if (restriction.empty() == false && profiles.empty() == false &&
+ std::find(profiles.begin(), profiles.end(), restriction) != profiles.end())
+ {
+ if (NegRestriction) {
+ applies2 = false;
+ // since one of the terms does not apply we don't have to check the others
+ for (; End != Stop && *End != '>'; ++End);
+ }
+ } else {
+ if (!NegRestriction) {
+ applies2 = false;
+ // since one of the terms does not apply we don't have to check the others
+ for (; End != Stop && *End != '>'; ++End);
+ }
+ }
+
+ if (*End++ == '>') {
+ I = End;
+ // skip whitespace
+ for (;I != Stop && isspace(*I) != 0; I++);
+ break;
+ }
+
+ I = End;
+ // skip whitespace
+ for (;I != Stop && isspace(*I) != 0; I++);
+ }
+ if (applies2) {
+ applies1 = true;
+ }
+ }
+ }
+
+ if (applies1 == false) {
+ Package = ""; //not for this restriction
+ }
+ }
+
if (I != Stop && *I == '|')
Op |= pkgCache::Dep::Or;
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(':');
if (NewDepends(Ver,Package,"none",Version,Op,Type) == false)
return false;
}
- else if (MultiArchEnabled == true && found != string::npos &&
+ else if (found != string::npos &&
strcmp(Package.c_str() + found, ":any") != 0)
{
string Arch = Package.substr(found+1, string::npos);
// … but this is probably the best thing to do.
if (Arch == "native")
Arch = _config->Find("APT::Architecture");
- if (NewDepends(Ver,Package,Arch,Version,Op,Type) == false)
+ if (NewDepends(Ver,Package,Arch,Version,Op | pkgCache::Dep::ArchSpecific,Type) == false)
return false;
}
else
while (1)
{
Start = ParseDepends(Start,Stop,Package,Version,Op);
+ const size_t archfound = Package.rfind(':');
if (Start == 0)
return _error->Error("Problem parsing Provides line");
- if (Op != pkgCache::Dep::NoOp) {
- _error->Warning("Ignoring Provides line with DepCompareOp for package %s", Package.c_str());
+ if (Op != pkgCache::Dep::NoOp && Op != pkgCache::Dep::Equals) {
+ _error->Warning("Ignoring Provides line with non-equal DepCompareOp for package %s", Package.c_str());
+ } else if (archfound != string::npos) {
+ string OtherArch = Package.substr(archfound+1, string::npos);
+ Package = Package.substr(0, archfound);
+ if (NewProvides(Ver, Package, OtherArch, Version, pkgCache::Flag::ArchSpecific) == false)
+ return false;
} else if ((Ver->MultiArch & pkgCache::Version::Foreign) == pkgCache::Version::Foreign) {
- if (NewProvidesAllArch(Ver, Package, Version) == false)
+ if (NewProvidesAllArch(Ver, Package, Version, 0) == false)
return false;
} else {
- if (NewProvides(Ver, Package, Arch, Version) == false)
+ if (NewProvides(Ver, Package, Arch, Version, 0) == false)
return false;
}
if ((Ver->MultiArch & pkgCache::Version::Allowed) == pkgCache::Version::Allowed)
{
string const Package = string(Ver.ParentPkg().Name()).append(":").append("any");
- return NewProvidesAllArch(Ver, Package, Ver.VerStr());
+ return NewProvidesAllArch(Ver, Package, Ver.VerStr(), pkgCache::Flag::MultiArchImplicit);
}
else if ((Ver->MultiArch & pkgCache::Version::Foreign) == pkgCache::Version::Foreign)
- return NewProvidesAllArch(Ver, Ver.ParentPkg().Name(), Ver.VerStr());
+ return NewProvidesAllArch(Ver, Ver.ParentPkg().Name(), Ver.VerStr(), pkgCache::Flag::MultiArchImplicit);
return true;
}
/*}}}*/
-// ListParser::NewProvides - add provides for all architectures /*{{{*/
-bool debListParser::NewProvidesAllArch(pkgCache::VerIterator &Ver, string const &Package,
- string const &Version) {
- for (std::vector<string>::const_iterator a = Architectures.begin();
- a != Architectures.end(); ++a)
- {
- if (NewProvides(Ver, Package, *a, Version) == false)
- return false;
- }
- return true;
-}
- /*}}}*/
// ListParser::GrabWord - Matches a word and returns /*{{{*/
// ---------------------------------------------------------------------
/* Looks for a word in a list of words - for ParseStatus */
/*}}}*/
// 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();
return false;
}
/*}}}*/
-// ListParser::LoadReleaseInfo - Load the release information /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator &FileI,
- FileFd &File, string component)
-{
- // apt-secure does no longer download individual (per-section) Release
- // file. to provide Component pinning we use the section name now
- map_ptrloc const storage = WriteUniqString(component);
- FileI->Component = storage;
-
- pkgTagFile TagFile(&File, File.Size());
- pkgTagSection Section;
- if (_error->PendingError() == true || TagFile.Step(Section) == false)
- return false;
-
- std::string data;
- #define APT_INRELEASE(TAG, STORE) \
- data = Section.FindS(TAG); \
- if (data.empty() == false) \
- { \
- map_ptrloc const storage = WriteUniqString(data); \
- STORE = storage; \
- }
- APT_INRELEASE("Suite", FileI->Archive)
- APT_INRELEASE("Component", FileI->Component)
- APT_INRELEASE("Version", FileI->Version)
- APT_INRELEASE("Origin", FileI->Origin)
- APT_INRELEASE("Codename", FileI->Codename)
- APT_INRELEASE("Label", FileI->Label)
- #undef APT_INRELEASE
- Section.FindFlag("NotAutomatic", FileI->Flags, pkgCache::Flag::NotAutomatic);
- Section.FindFlag("ButAutomaticUpgrades", FileI->Flags, pkgCache::Flag::ButAutomaticUpgrades);
-
- return !_error->PendingError();
-}
- /*}}}*/
// ListParser::GetPrio - Convert the priority from a string /*{{{*/
// ---------------------------------------------------------------------
/* */
return Out;
}
/*}}}*/
+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;
+}
+ /*}}}*/
+
+debDebFileParser::debDebFileParser(FileFd *File, std::string const &DebFile)
+ : debListParser(File, ""), DebFile(DebFile)
+{
+}
+
+bool debDebFileParser::UsePackage(pkgCache::PkgIterator &Pkg,
+ pkgCache::VerIterator &Ver)
+{
+ bool res = debListParser::UsePackage(Pkg, Ver);
+ // we use the full file path as a provides so that the file is found
+ // by its name
+ if(NewProvidesAllArch(Ver, DebFile, Ver.VerStr(), 0) == false)
+ return false;
+ return res;
+}
+
+debListParser::~debListParser() {}
projects / apt.git / blobdiff