#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>
/*}}}*/
using std::string;
-static debListParser::WordList PrioList[] = {{"important",pkgCache::State::Important},
- {"required",pkgCache::State::Required},
- {"standard",pkgCache::State::Standard},
- {"optional",pkgCache::State::Optional},
- {"extra",pkgCache::State::Extra},
- {}};
+static debListParser::WordList PrioList[] = {
+ {"required",pkgCache::State::Required},
+ {"important",pkgCache::State::Important},
+ {"standard",pkgCache::State::Standard},
+ {"optional",pkgCache::State::Optional},
+ {"extra",pkgCache::State::Extra},
+ {NULL, 0}};
// ListParser::debListParser - Constructor /*{{{*/
// ---------------------------------------------------------------------
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)
+{
+ // Parse the section
+ unsigned long const idxSection = UniqFindTagWrite("Section");
+ Ver->Section = idxSection;
+ Ver->MultiArch = ParseMultiArch(true);
// Archive Size
Ver->Size = Section.FindULL("Size");
// Unpacked Size (in K)
string const value = Section.FindS("Description-md5");
if (value.empty() == true)
{
+ std::string const desc = Description() + "\n";
+ if (desc == "\n")
+ return MD5SumValue();
+
MD5Summation md5;
- md5.Add((Description() + "\n").c_str());
+ md5.Add(desc.c_str());
return md5.Result();
}
else if (likely(value.size() == 32))
pkgCache::VerIterator &Ver)
{
if (Pkg->Section == 0)
- Pkg->Section = UniqFindTagWrite("Section");
+ {
+ unsigned long const idxSection = UniqFindTagWrite("Section");
+ Pkg->Section = idxSection;
+ }
string const static myArch = _config->Find("APT::Architecture");
// Possible values are: "all", "native", "installed" and "none"
"Replaces",0};
unsigned long Result = INIT_FCS;
char S[1024];
- for (const char **I = Sections; *I != 0; I++)
+ for (const char * const *I = Sections; *I != 0; ++I)
{
const char *Start;
const char *End;
of certain fields. dpkg also has the rather interesting notion of
reformatting depends operators < -> <= */
char *J = S;
- for (; Start != End; Start++)
+ for (; Start != End; ++Start)
{
- if (isspace(*Start) == 0)
- *J++ = tolower_ascii(*Start);
- if (*Start == '<' && Start[1] != '<' && Start[1] != '=')
- *J++ = '=';
- if (*Start == '>' && Start[1] != '>' && Start[1] != '=')
+ if (isspace(*Start) != 0)
+ continue;
+ *J++ = tolower_ascii(*Start);
+
+ if ((*Start == '<' || *Start == '>') && Start[1] != *Start && Start[1] != '=')
*J++ = '=';
}
/* 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,!MultiArchEnabled);
+ 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);
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) == false)
+ return false;
} else if ((Ver->MultiArch & pkgCache::Version::Foreign) == pkgCache::Version::Foreign) {
if (NewProvidesAllArch(Ver, Package, Version) == false)
return false;
}
}
- if (MultiArchEnabled == false)
- return true;
- else if ((Ver->MultiArch & pkgCache::Version::Allowed) == pkgCache::Version::Allowed)
+ 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());
/*}}}*/
// 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();
map_ptrloc const storage = WriteUniqString(component);
FileI->Component = storage;
- // FIXME: should use FileFd and TagSection
- FILE* release = fdopen(dup(File.Fd()), "r");
- if (release == NULL)
+ pkgTagFile TagFile(&File, File.Size());
+ pkgTagSection Section;
+ if (_error->PendingError() == true || TagFile.Step(Section) == false)
return false;
- char buffer[101];
- while (fgets(buffer, sizeof(buffer), release) != NULL)
- {
- size_t len = 0;
-
- // Skip empty lines
- for (; buffer[len] == '\r' && buffer[len] == '\n'; ++len)
- /* nothing */
- ;
- if (buffer[len] == '\0')
- continue;
-
- // seperate the tag from the data
- const char* dataStart = strchr(buffer + len, ':');
- if (dataStart == NULL)
- continue;
- len = dataStart - buffer;
- for (++dataStart; *dataStart == ' '; ++dataStart)
- /* nothing */
- ;
- const char* dataEnd = (const char*)rawmemchr(dataStart, '\0');
- // The last char should be a newline, but we can never be sure: #633350
- const char* lineEnd = dataEnd;
- for (--lineEnd; *lineEnd == '\r' || *lineEnd == '\n'; --lineEnd)
- /* nothing */
- ;
- ++lineEnd;
-
- // which datastorage need to be updated
- enum { Suite, Component, Version, Origin, Codename, Label, None } writeTo = None;
- if (buffer[0] == ' ')
- ;
- #define APT_PARSER_WRITETO(X) else if (strncmp(#X, buffer, len) == 0) writeTo = X;
- APT_PARSER_WRITETO(Suite)
- APT_PARSER_WRITETO(Component)
- APT_PARSER_WRITETO(Version)
- APT_PARSER_WRITETO(Origin)
- APT_PARSER_WRITETO(Codename)
- APT_PARSER_WRITETO(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, lineEnd);
- 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 != None)
- data.append(dataStart, dataEnd);
- if (sizeof(buffer) - 1 == (dataEnd - buffer))
- {
- while (fgets(buffer, sizeof(buffer), release) != NULL)
- {
- if (writeTo != None)
- data.append(buffer);
- if (strlen(buffer) != sizeof(buffer) - 1)
- break;
- }
- }
- if (writeTo != None)
- {
- // 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';
- }
- map_ptrloc const storage = WriteUniqString(data);
- switch (writeTo) {
- case Suite: FileI->Archive = storage; break;
- case Component: FileI->Component = storage; break;
- case Version: FileI->Version = storage; break;
- case Origin: FileI->Origin = storage; break;
- case Codename: FileI->Codename = storage; break;
- case Label: FileI->Label = storage; break;
- case None: break;
- }
- }
+ std::string data;
+ #define APT_INRELEASE(TAG, STORE) \
+ data = Section.FindS(TAG); \
+ if (data.empty() == false) \
+ { \
+ map_ptrloc const storage = WriteUniqString(data); \
+ STORE = storage; \
}
- fclose(release);
+ 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();
}
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
projects / apt.git / blobdiff