#include <apt-pkg/deblistparser.h>
#include <apt-pkg/error.h>
#include <apt-pkg/configuration.h>
+#include <apt-pkg/aptconfiguration.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/crc-16.h>
#include <apt-pkg/md5.h>
+#include <apt-pkg/macros.h>
+#include <fnmatch.h>
#include <ctype.h>
-
-#include <system.h>
/*}}}*/
static debListParser::WordList PrioList[] = {{"important",pkgCache::State::Important},
// ListParser::debListParser - Constructor /*{{{*/
// ---------------------------------------------------------------------
-/* */
-debListParser::debListParser(FileFd *File) : Tags(File)
-{
- Arch = _config->Find("APT::architecture");
+/* 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),
+ Arch(Arch) {
+ if (Arch == "native")
+ this->Arch = _config->Find("APT::Architecture");
+ Architectures = APT::Configuration::getArchitectures();
+ MultiArchEnabled = Architectures.size() > 1;
}
/*}}}*/
// ListParser::UniqFindTagWrite - Find the tag and write a unq string /*{{{*/
// ListParser::Package - Return the package name /*{{{*/
// ---------------------------------------------------------------------
/* This is to return the name of the package this section describes */
-string debListParser::Package()
-{
- string Result = Section.FindS("Package");
- if (Result.empty() == true)
+string debListParser::Package() {
+ string const Result = Section.FindS("Package");
+ if(unlikely(Result.empty() == true))
_error->Error("Encountered a section with no Package: header");
return Result;
}
/*}}}*/
+// ListParser::Architecture - Return the package arch /*{{{*/
+// ---------------------------------------------------------------------
+/* This will return the Architecture of the package this section describes
+ Note that architecture "all" packages will get the architecture of the
+ Packages file parsed here. */
+string debListParser::Architecture() {
+ string const Result = Section.FindS("Architecture");
+ if (Result.empty() == true || Result == "all")
+ {
+ if (Arch.empty() == true)
+ /* FIXME: this is a problem for installed arch all
+ packages as we don't know from which arch this
+ package was installed - and therefore which
+ dependency this package resolves. */
+ return _config->Find("APT::Architecture");
+ else
+ return Arch;
+ }
+ return Result;
+}
+ /*}}}*/
+// ListParser::ArchitectureAll /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool debListParser::ArchitectureAll() {
+ return Section.FindS("Architecture") == "all";
+}
+ /*}}}*/
// ListParser::Version - Return the version string /*{{{*/
// ---------------------------------------------------------------------
/* This is to return the string describing the version in debian form,
// ListParser::NewVersion - Fill in the version structure /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool debListParser::NewVersion(pkgCache::VerIterator Ver)
+bool debListParser::NewVersion(pkgCache::VerIterator &Ver)
{
// Parse the section
Ver->Section = UniqFindTagWrite("Section");
- Ver->Arch = UniqFindTagWrite("Architecture");
-
+
+ // Parse multi-arch
+ if (Section.FindS("Architecture") == "all")
+ /* Arch all packages can't have a Multi-Arch field,
+ but we need a special treatment for them nonetheless */
+ Ver->MultiArch = pkgCache::Version::All;
+ else
+ {
+ string const MultiArch = Section.FindS("Multi-Arch");
+ if (MultiArch.empty() == true)
+ Ver->MultiArch = pkgCache::Version::None;
+ else if (MultiArch == "same")
+ Ver->MultiArch = pkgCache::Version::Same;
+ else if (MultiArch == "foreign")
+ Ver->MultiArch = pkgCache::Version::Foreign;
+ else if (MultiArch == "allowed")
+ Ver->MultiArch = 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;
+ }
+ }
+
// Archive Size
- Ver->Size = (unsigned)Section.FindI("Size");
-
+ Ver->Size = Section.FindULL("Size");
// Unpacked Size (in K)
- Ver->InstalledSize = (unsigned)Section.FindI("Installed-Size");
+ Ver->InstalledSize = Section.FindULL("Installed-Size");
Ver->InstalledSize *= 1024;
// Priority
Ver->Priority = pkgCache::State::Extra;
}
+ if (Ver->MultiArch == pkgCache::Version::All)
+ {
+ /* We maintain a "pseudo" arch=all package for architecture all versions
+ on which these versions can depend on. This pseudo package is many used
+ for downloading/installing: The other pseudo-packages will degenerate
+ to a NOP in the download/install step - this package will ensure that
+ it is downloaded only one time and installed only one time -- even if
+ the architecture bound versions coming in and out on regular basis. */
+ if (strcmp(Ver.Arch(true),"all") == 0)
+ return true;
+ else if (MultiArchEnabled == true)
+ {
+ // our pseudo packages have no size to not confuse the fetcher
+ Ver->Size = 0;
+ Ver->InstalledSize = 0;
+ }
+ }
+
if (ParseDepends(Ver,"Depends",pkgCache::Dep::Depends) == false)
return false;
if (ParseDepends(Ver,"Pre-Depends",pkgCache::Dep::PreDepends) == false)
only describe package properties */
string debListParser::Description()
{
- if (DescriptionLanguage().empty())
+ string const lang = DescriptionLanguage();
+ if (lang.empty())
return Section.FindS("Description");
else
- return Section.FindS(("Description-" + pkgIndexFile::LanguageCode()).c_str());
+ return Section.FindS(string("Description-").append(lang).c_str());
}
/*}}}*/
// ListParser::DescriptionLanguage - Return the description lang string /*{{{*/
assumed to describe original description. */
string debListParser::DescriptionLanguage()
{
- return Section.FindS("Description").empty() ? pkgIndexFile::LanguageCode() : "";
+ if (Section.FindS("Description").empty() == false)
+ return "";
+
+ std::vector<string> const lang = APT::Configuration::getLanguages();
+ 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 "";
}
/*}}}*/
// ListParser::Description - Return the description_md5 MD5SumValue /*{{{*/
// ---------------------------------------------------------------------
/* This is called to update the package with any new information
that might be found in the section */
-bool debListParser::UsePackage(pkgCache::PkgIterator Pkg,
- pkgCache::VerIterator Ver)
+bool debListParser::UsePackage(pkgCache::PkgIterator &Pkg,
+ pkgCache::VerIterator &Ver)
{
if (Pkg->Section == 0)
Pkg->Section = UniqFindTagWrite("Section");
- if (Section.FindFlag("Essential",Pkg->Flags,pkgCache::Flag::Essential) == false)
- return false;
+
+ // Packages which are not from the "native" arch doesn't get the essential flag
+ // in the default "native" mode - it is also possible to mark "all" or "none".
+ // The "installed" mode is handled by ParseStatus(), See #544481 and friends.
+ string const static myArch = _config->Find("APT::Architecture");
+ string const static essential = _config->Find("pkgCacheGen::Essential", "native");
+ if ((essential == "native" && Pkg->Arch != 0 && myArch == Pkg.Arch()) ||
+ essential == "all")
+ if (Section.FindFlag("Essential",Pkg->Flags,pkgCache::Flag::Essential) == false)
+ return false;
if (Section.FindFlag("Important",Pkg->Flags,pkgCache::Flag::Important) == false)
return false;
Some of the above are obsolete (I think?) flag = hold-* and
status = post-inst-failed, removal-failed at least.
*/
-bool debListParser::ParseStatus(pkgCache::PkgIterator Pkg,
- pkgCache::VerIterator Ver)
+bool debListParser::ParseStatus(pkgCache::PkgIterator &Pkg,
+ pkgCache::VerIterator &Ver)
{
const char *Start;
const char *Stop;
if (Section.Find("Status",Start,Stop) == false)
return true;
-
+
+ // UsePackage() is responsible for setting the flag in the default case
+ bool const static essential = _config->Find("pkgCacheGen::Essential", "") == "installed";
+ if (essential == true &&
+ Section.FindFlag("Essential",Pkg->Flags,pkgCache::Flag::Essential) == false)
+ return false;
+
// Isolate the first word
const char *I = Start;
for(; I < Stop && *I != ' '; I++);
return I;
}
+/*
+ * CompleteArch:
+ *
+ * The complete architecture, consisting of <kernel>-<cpu>.
+ */
+static string CompleteArch(std::string& arch) {
+ if (arch == "armel") return "linux-arm";
+ if (arch == "armhf") return "linux-arm";
+ if (arch == "lpia") return "linux-i386";
+ if (arch == "powerpcspe") return "linux-powerpc";
+ if (arch == "uclibc-linux-armel") return "linux-arm";
+ if (arch == "uclinux-armel") return "uclinux-arm";
+
+ return (arch.find("-") != string::npos) ? arch : "linux-" + arch;
+}
/*}}}*/
// ListParser::ParseDepends - Parse a dependency element /*{{{*/
// ---------------------------------------------------------------------
bit by bit. */
const char *debListParser::ParseDepends(const char *Start,const char *Stop,
string &Package,string &Ver,
- unsigned int &Op, bool ParseArchFlags)
+ unsigned int &Op, bool const &ParseArchFlags,
+ bool const &StripMultiArch)
{
// Strip off leading space
for (;Start != Stop && isspace(*Start) != 0; Start++);
// Stash the package name
Package.assign(Start,I - Start);
-
+
+ // We don't want to confuse library users which can't handle MultiArch
+ if (StripMultiArch == true) {
+ size_t const found = Package.rfind(':');
+ if (found != string::npos)
+ Package = Package.substr(0,found);
+ }
+
// Skip white space to the '('
for (;I != Stop && isspace(*I) != 0 ; I++);
if (ParseArchFlags == true)
{
string arch = _config->Find("APT::Architecture");
+ string completeArch = CompleteArch(arch);
// Parse an architecture
if (I != Stop && *I == '[')
I++;
}
- if (stringcmp(arch,I,End) == 0)
+ if (stringcmp(arch,I,End) == 0) {
Found = true;
+ } else {
+ std::string wildcard = SubstVar(string(I, End), "any", "*");
+ if (fnmatch(wildcard.c_str(), completeArch.c_str(), 0) == 0)
+ Found = true;
+ }
if (*End++ == ']') {
I = End;
// ---------------------------------------------------------------------
/* This is the higher level depends parser. It takes a tag and generates
a complete depends tree for the given version. */
-bool debListParser::ParseDepends(pkgCache::VerIterator Ver,
+bool debListParser::ParseDepends(pkgCache::VerIterator &Ver,
const char *Tag,unsigned int Type)
{
const char *Start;
const char *Stop;
if (Section.Find(Tag,Start,Stop) == false)
return true;
-
+
string Package;
+ string const pkgArch = Ver.Arch(true);
string Version;
unsigned int Op;
Start = ParseDepends(Start,Stop,Package,Version,Op);
if (Start == 0)
return _error->Error("Problem parsing dependency %s",Tag);
-
- if (NewDepends(Ver,Package,Version,Op,Type) == false)
+
+ if (MultiArchEnabled == true &&
+ (Type == pkgCache::Dep::Conflicts ||
+ Type == pkgCache::Dep::DpkgBreaks ||
+ Type == pkgCache::Dep::Replaces))
+ {
+ for (std::vector<std::string>::const_iterator a = Architectures.begin();
+ a != Architectures.end(); ++a)
+ if (NewDepends(Ver,Package,*a,Version,Op,Type) == false)
+ return false;
+ }
+ else if (NewDepends(Ver,Package,pkgArch,Version,Op,Type) == false)
return false;
if (Start == Stop)
break;
// ListParser::ParseProvides - Parse the provides list /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool debListParser::ParseProvides(pkgCache::VerIterator Ver)
+bool debListParser::ParseProvides(pkgCache::VerIterator &Ver)
{
const char *Start;
const char *Stop;
- if (Section.Find("Provides",Start,Stop) == false)
- return true;
-
- string Package;
- string Version;
- unsigned int Op;
-
- while (1)
+ if (Section.Find("Provides",Start,Stop) == true)
{
- Start = ParseDepends(Start,Stop,Package,Version,Op);
- 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());
- } else {
- if (NewProvides(Ver,Package,Version) == false)
- return false;
+ string Package;
+ string Version;
+ string const Arch = Ver.Arch(true);
+ unsigned int Op;
+
+ while (1)
+ {
+ Start = ParseDepends(Start,Stop,Package,Version,Op);
+ 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());
+ } else {
+ if (NewProvides(Ver, Package, Arch, Version) == false)
+ return false;
+ }
+
+ if (Start == Stop)
+ break;
}
+ }
- if (Start == Stop)
- break;
+ if (Ver->MultiArch == pkgCache::Version::Allowed)
+ {
+ string const Package = string(Ver.ParentPkg().Name()).append(":").append("any");
+ NewProvides(Ver, Package, "any", Ver.VerStr());
}
-
+
+ if (Ver->MultiArch != pkgCache::Version::Foreign)
+ return true;
+
+ if (MultiArchEnabled == false)
+ return true;
+
+ string const Package = Ver.ParentPkg().Name();
+ string const Version = Ver.VerStr();
+ for (std::vector<string>::const_iterator a = Architectures.begin();
+ a != Architectures.end(); ++a)
+ {
+ if (NewProvides(Ver, Package, *a, Version) == false)
+ return false;
+ }
+
return true;
}
/*}}}*/
/* See if this is the correct Architecture, if it isn't then we
drop the whole section. A missing arch tag only happens (in theory)
inside the Status file, so that is a positive return */
- const char *Start;
- const char *Stop;
- if (Section.Find("Architecture",Start,Stop) == false)
+ string const Architecture = Section.FindS("Architecture");
+ if (Architecture.empty() == true)
return true;
- if (stringcmp(Arch,Start,Stop) == 0)
- return true;
+ if (Arch.empty() == true || Arch == "any" || MultiArchEnabled == false)
+ {
+ if (APT::Configuration::checkArchitecture(Architecture) == true)
+ return true;
+ }
+ else
+ {
+ if (Architecture == Arch)
+ return true;
- if (stringcmp(Start,Stop,"all") == 0)
- return true;
+ if (Architecture == "all")
+ return true;
+ }
iOffset = Tags.Offset();
}
// ListParser::LoadReleaseInfo - Load the release information /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator FileI,
+bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator &FileI,
FileFd &File, string component)
{
- pkgTagFile Tags(&File, File.Size() + 256); // XXX
- pkgTagSection Section;
- if (Tags.Step(Section) == false)
- return false;
-
- //mvo: I don't think we need to fill that in (it's unused since apt-0.6)
- //FileI->Architecture = WriteUniqString(Arch);
-
// apt-secure does no longer download individual (per-section) Release
// file. to provide Component pinning we use the section name now
FileI->Component = WriteUniqString(component);
- const char *Start;
- const char *Stop;
- if (Section.Find("Suite",Start,Stop) == true)
- FileI->Archive = WriteUniqString(Start,Stop - Start);
- if (Section.Find("Component",Start,Stop) == true)
- FileI->Component = WriteUniqString(Start,Stop - Start);
- if (Section.Find("Version",Start,Stop) == true)
- FileI->Version = WriteUniqString(Start,Stop - Start);
- if (Section.Find("Origin",Start,Stop) == true)
- FileI->Origin = WriteUniqString(Start,Stop - Start);
- if (Section.Find("Codename",Start,Stop) == true)
- FileI->Codename = WriteUniqString(Start,Stop - Start);
- if (Section.Find("Label",Start,Stop) == true)
- FileI->Label = WriteUniqString(Start,Stop - Start);
- if (Section.Find("Architecture",Start,Stop) == true)
- FileI->Architecture = WriteUniqString(Start,Stop - Start);
-
- if (Section.FindFlag("NotAutomatic",FileI->Flags,
- pkgCache::Flag::NotAutomatic) == false)
- _error->Warning("Bad NotAutomatic flag");
+ FILE* release = fdopen(dup(File.Fd()), "r");
+ if (release == NULL)
+ return false;
+
+ char buffer[101];
+ bool gpgClose = false;
+ while (fgets(buffer, sizeof(buffer), release) != NULL)
+ {
+ size_t len = 0;
+
+ // Skip empty lines
+ for (; buffer[len] == '\r' && buffer[len] == '\n'; ++len);
+ if (buffer[len] == '\0')
+ continue;
+
+ // only evalute the first GPG section
+ if (strncmp("-----", buffer, 5) == 0)
+ {
+ if (gpgClose == true)
+ break;
+ gpgClose = true;
+ continue;
+ }
+
+ // seperate the tag from the data
+ for (; buffer[len] != ':' && buffer[len] != '\0'; ++len);
+ if (buffer[len] == '\0')
+ continue;
+ char* dataStart = buffer + len;
+ for (++dataStart; *dataStart == ' '; ++dataStart);
+ char* dataEnd = dataStart;
+ for (++dataEnd; *dataEnd != '\0'; ++dataEnd);
+
+ // which datastorage need to be updated
+ map_ptrloc* writeTo = NULL;
+ if (buffer[0] == ' ')
+ ;
+ #define APT_PARSER_WRITETO(X, Y) else if (strncmp(Y, buffer, len) == 0) writeTo = &X;
+ APT_PARSER_WRITETO(FileI->Archive, "Suite")
+ APT_PARSER_WRITETO(FileI->Component, "Component")
+ APT_PARSER_WRITETO(FileI->Version, "Version")
+ APT_PARSER_WRITETO(FileI->Origin, "Origin")
+ APT_PARSER_WRITETO(FileI->Codename, "Codename")
+ APT_PARSER_WRITETO(FileI->Label, "Label")
+ #undef APT_PARSER_WRITETO
+ #define APT_PARSER_FLAGIT(X) else if (strncmp(#X, buffer, len) == 0) \
+ pkgTagSection::FindFlag(FileI->Flags, pkgCache::Flag:: X, dataStart, dataEnd-1);
+ APT_PARSER_FLAGIT(NotAutomatic)
+ APT_PARSER_FLAGIT(ButAutomaticUpgrades)
+ #undef APT_PARSER_FLAGIT
+
+ // load all data from the line and save it
+ string data;
+ if (writeTo != NULL)
+ data.append(dataStart, dataEnd);
+ if (sizeof(buffer) - 1 == (dataEnd - buffer))
+ {
+ while (fgets(buffer, sizeof(buffer), release) != NULL)
+ {
+ if (writeTo != NULL)
+ data.append(buffer);
+ if (strlen(buffer) != sizeof(buffer) - 1)
+ break;
+ }
+ }
+ if (writeTo != NULL)
+ {
+ // remove spaces and stuff from the end of the data line
+ for (std::string::reverse_iterator s = data.rbegin();
+ s != data.rend(); ++s)
+ {
+ if (*s != '\r' && *s != '\n' && *s != ' ')
+ break;
+ *s = '\0';
+ }
+ *writeTo = WriteUniqString(data);
+ }
+ }
+ fclose(release);
return !_error->PendingError();
}
projects / apt.git / blobdiff