X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/3111692d0be3b2dc401180728e51e1b1fd2525a1..e5fefea6ec93746376bf42733ee84a9fafeab764:/apt-pkg/indexrecords.cc?ds=sidebyside diff --git a/apt-pkg/indexrecords.cc b/apt-pkg/indexrecords.cc index ab208e246..e97ea0ac9 100644 --- a/apt-pkg/indexrecords.cc +++ b/apt-pkg/indexrecords.cc @@ -3,38 +3,81 @@ // $Id: indexrecords.cc,v 1.1.2.4 2003/12/30 02:11:43 mdz Exp $ /*}}}*/ // Include Files /*{{{*/ +#include + #include #include #include #include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + #include -#include + /*}}}*/ + +using std::string; -string indexRecords::GetDist() const +APT_PURE string indexRecords::GetDist() const { return this->Dist; } -bool indexRecords::CheckDist(const string MaybeDist) const +APT_PURE string indexRecords::GetSuite() const +{ + return this->Suite; +} + +APT_PURE bool indexRecords::GetSupportsAcquireByHash() const +{ + return this->SupportsAcquireByHash; +} + +APT_PURE bool indexRecords::CheckDist(const string MaybeDist) const { return (this->Dist == MaybeDist || this->Suite == MaybeDist); } -string indexRecords::GetExpectedDist() const +APT_PURE string indexRecords::GetExpectedDist() const { return this->ExpectedDist; } -const indexRecords::checkSum *indexRecords::Lookup(const string MetaKey) +APT_PURE time_t indexRecords::GetValidUntil() const { - return Entries[MetaKey]; + return this->ValidUntil; } -bool indexRecords::Load(const string Filename) +APT_PURE indexRecords::checkSum *indexRecords::Lookup(const string MetaKey) { - FileFd Fd(Filename, FileFd::ReadOnly); - pkgTagFile TagFile(&Fd, Fd.Size() + 256); // XXX + std::map::const_iterator sum = Entries.find(MetaKey); + if (sum == Entries.end()) + return NULL; + return sum->second; +} + +APT_PURE bool indexRecords::Exists(string const &MetaKey) const +{ + return Entries.count(MetaKey) == 1; +} + +bool indexRecords::Load(const string Filename) /*{{{*/ +{ + FileFd Fd; + if (OpenMaybeClearSignedFile(Filename, Fd) == false) + return false; + + pkgTagFile TagFile(&Fd, Fd.Size()); if (_error->PendingError() == true) { strprintf(ErrorText, _("Unable to parse Release file %s"),Filename.c_str()); @@ -42,51 +85,105 @@ bool indexRecords::Load(const string Filename) } pkgTagSection Section; + const char *Start, *End; if (TagFile.Step(Section) == false) { strprintf(ErrorText, _("No sections in Release file %s"), Filename.c_str()); return false; } - - const char *Start, *End; - Section.Get (Start, End, 0); + // FIXME: find better tag name + SupportsAcquireByHash = Section.FindB("Acquire-By-Hash", false); Suite = Section.FindS("Suite"); Dist = Section.FindS("Codename"); - int i; - for (i=0;HashString::SupportedHashes()[i] != NULL; i++) + bool FoundHashSum = false; + for (int i=0;HashString::SupportedHashes()[i] != NULL; i++) { if (!Section.Find(HashString::SupportedHashes()[i], Start, End)) continue; string Name; string Hash; - size_t Size; + unsigned long long Size; while (Start < End) { if (!parseSumData(Start, End, Name, Hash, Size)) return false; - indexRecords::checkSum *Sum = new indexRecords::checkSum; - Sum->MetaKeyFilename = Name; - Sum->Hash = HashString(HashString::SupportedHashes()[i],Hash); - Sum->Size = Size; - Entries[Name] = Sum; + + if (Entries.find(Name) == Entries.end()) + { + indexRecords::checkSum *Sum = new indexRecords::checkSum; + Sum->MetaKeyFilename = Name; + Sum->Size = Size; +#if __GNUC__ >= 4 + #pragma GCC diagnostic push + #pragma GCC diagnostic ignored "-Wdeprecated-declarations" +#endif + Sum->Hash = HashString(HashString::SupportedHashes()[i],Hash); +#if __GNUC__ >= 4 + #pragma GCC diagnostic pop +#endif + Entries[Name] = Sum; + } + Entries[Name]->Hashes.push_back(HashString(HashString::SupportedHashes()[i],Hash)); + FoundHashSum = true; } - break; } - if(HashString::SupportedHashes()[i] == NULL) + if(FoundHashSum == false) { strprintf(ErrorText, _("No Hash entry in Release file %s"), Filename.c_str()); return false; - } + } + + string Label = Section.FindS("Label"); + string StrDate = Section.FindS("Date"); + string StrValidUntil = Section.FindS("Valid-Until"); + + // if we have a Valid-Until header in the Release file, use it as default + if (StrValidUntil.empty() == false) + { + if(RFC1123StrToTime(StrValidUntil.c_str(), ValidUntil) == false) + { + strprintf(ErrorText, _("Invalid 'Valid-Until' entry in Release file %s"), Filename.c_str()); + return false; + } + } + // get the user settings for this archive and use what expires earlier + int MaxAge = _config->FindI("Acquire::Max-ValidTime", 0); + if (Label.empty() == false) + MaxAge = _config->FindI(("Acquire::Max-ValidTime::" + Label).c_str(), MaxAge); + int MinAge = _config->FindI("Acquire::Min-ValidTime", 0); + if (Label.empty() == false) + MinAge = _config->FindI(("Acquire::Min-ValidTime::" + Label).c_str(), MinAge); + + if(MaxAge == 0 && + (MinAge == 0 || ValidUntil == 0)) // No user settings, use the one from the Release file + return true; + + time_t date; + if (RFC1123StrToTime(StrDate.c_str(), date) == false) + { + strprintf(ErrorText, _("Invalid 'Date' entry in Release file %s"), Filename.c_str()); + return false; + } + + if (MinAge != 0 && ValidUntil != 0) { + time_t const min_date = date + MinAge; + if (ValidUntil < min_date) + ValidUntil = min_date; + } + if (MaxAge != 0) { + time_t const max_date = date + MaxAge; + if (ValidUntil == 0 || ValidUntil > max_date) + ValidUntil = max_date; + } - string Strdate = Section.FindS("Date"); // FIXME: verify this somehow? return true; } - -vector indexRecords::MetaKeys() + /*}}}*/ +std::vector indexRecords::MetaKeys() /*{{{*/ { std::vector keys; std::map::iterator I = Entries.begin(); @@ -96,15 +193,15 @@ vector indexRecords::MetaKeys() } return keys; } - -bool indexRecords::parseSumData(const char *&Start, const char *End, - string &Name, string &Hash, size_t &Size) + /*}}}*/ +bool indexRecords::parseSumData(const char *&Start, const char *End, /*{{{*/ + string &Name, string &Hash, unsigned long long &Size) { Name = ""; Hash = ""; Size = 0; /* Skip over the first blank */ - while ((*Start == '\t' || *Start == ' ' || *Start == '\n') + while ((*Start == '\t' || *Start == ' ' || *Start == '\n' || *Start == '\r') && Start < End) Start++; if (Start >= End) @@ -135,7 +232,7 @@ bool indexRecords::parseSumData(const char *&Start, const char *End, if (EntryEnd == End) return false; - Size = strtol (Start, NULL, 10); + Size = strtoull (Start, NULL, 10); /* Skip over intermediate blanks */ Start = EntryEnd; @@ -146,7 +243,8 @@ bool indexRecords::parseSumData(const char *&Start, const char *End, EntryEnd = Start; /* Find the end of the third entry (the filename) */ - while ((*EntryEnd != '\t' && *EntryEnd != ' ' && *EntryEnd != '\n') + while ((*EntryEnd != '\t' && *EntryEnd != ' ' && + *EntryEnd != '\n' && *EntryEnd != '\r') && EntryEnd < End) EntryEnd++; @@ -154,12 +252,12 @@ bool indexRecords::parseSumData(const char *&Start, const char *End, Start = EntryEnd; //prepare for the next round return true; } - + /*}}}*/ indexRecords::indexRecords() { } indexRecords::indexRecords(const string ExpectedDist) : - ExpectedDist(ExpectedDist) + ExpectedDist(ExpectedDist), ValidUntil(0), SupportsAcquireByHash(false) { }