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// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
// $Id: sourcelist.cc,v 1.3 2002/08/15 20:51:37 niemeyer Exp $
/* ######################################################################
List of Sources
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
#include<config.h>
#include <apt-pkg/sourcelist.h>
#include <apt-pkg/error.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/metaindex.h>
#include <apt-pkg/indexfile.h>
#include <apt-pkg/tagfile.h>
#include <fstream>
#include <apti18n.h>
/*}}}*/
using namespace std;
// Global list of Items supported
static pkgSourceList::Type *ItmList[10];
pkgSourceList::Type **pkgSourceList::Type::GlobalList = ItmList;
unsigned long pkgSourceList::Type::GlobalListLen = 0;
// Type::Type - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* Link this to the global list of items*/
pkgSourceList::Type::Type() : Name(NULL), Label(NULL)
{
ItmList[GlobalListLen] = this;
GlobalListLen++;
}
/*}}}*/
// Type::GetType - Get a specific meta for a given type /*{{{*/
// ---------------------------------------------------------------------
/* */
pkgSourceList::Type *pkgSourceList::Type::GetType(const char *Type)
{
for (unsigned I = 0; I != GlobalListLen; I++)
if (strcmp(GlobalList[I]->Name,Type) == 0)
return GlobalList[I];
return 0;
}
/*}}}*/
// Type::FixupURI - Normalize the URI and check it.. /*{{{*/
// ---------------------------------------------------------------------
/* */
bool pkgSourceList::Type::FixupURI(string &URI) const
{
if (URI.empty() == true)
return false;
if (URI.find(':') == string::npos)
return false;
URI = SubstVar(URI,"$(ARCH)",_config->Find("APT::Architecture"));
// Make sure that the URI is / postfixed
if (URI[URI.size() - 1] != '/')
URI += '/';
return true;
}
/*}}}*/
bool pkgSourceList::Type::ParseStanza(vector<metaIndex *> &List,
pkgTagSection &Tags,
int i,
FileFd &Fd)
{
map<string, string> Options;
string URI = Tags.FindS("Uri");
if (!FixupURI(URI))
{
_error->Error(_("Malformed stanza %u in source list %s (URI parse)"),i,Fd.Name().c_str());
return false;
}
string Dist = Tags.FindS("Suite");
Dist = SubstVar(Dist,"$(ARCH)",_config->Find("APT::Architecture"));
// Define external/internal options
const char* option_deb822[] = {
"Architectures", "Architectures-Add", "Architectures-Delete", "Trusted",
};
const char* option_internal[] = {
"arch", "arch+", "arch-", "trusted",
};
for (unsigned int j=0; j < sizeof(option_deb822)/sizeof(char*); j++)
if (Tags.Exists(option_deb822[j]))
Options[option_internal[j]] = Tags.FindS(option_deb822[j]);
// now create one item per section
string const Section = Tags.FindS("Section");
std::vector<std::string> list = StringSplit(Section, " ");
for (std::vector<std::string>::const_iterator I = list.begin();
I != list.end(); I++)
return CreateItem(List, URI, Dist, (*I), Options);
return true;
}
// Type::ParseLine - Parse a single line /*{{{*/
// ---------------------------------------------------------------------
/* This is a generic one that is the 'usual' format for sources.list
Weird types may override this. */
bool pkgSourceList::Type::ParseLine(vector<metaIndex *> &List,
const char *Buffer,
unsigned long const &CurLine,
string const &File) const
{
for (;Buffer != 0 && isspace(*Buffer); ++Buffer); // Skip whitespaces
// Parse option field if it exists
// e.g.: [ option1=value1 option2=value2 ]
map<string, string> Options;
if (Buffer != 0 && Buffer[0] == '[')
{
++Buffer; // ignore the [
for (;Buffer != 0 && isspace(*Buffer); ++Buffer); // Skip whitespaces
while (*Buffer != ']')
{
// get one option, e.g. option1=value1
string option;
if (ParseQuoteWord(Buffer,option) == false)
return _error->Error(_("Malformed line %lu in source list %s ([option] unparseable)"),CurLine,File.c_str());
if (option.length() < 3)
return _error->Error(_("Malformed line %lu in source list %s ([option] too short)"),CurLine,File.c_str());
// accept options even if the last has no space before the ]-end marker
if (option.at(option.length()-1) == ']')
{
for (; *Buffer != ']'; --Buffer);
option.resize(option.length()-1);
}
size_t const needle = option.find('=');
if (needle == string::npos)
return _error->Error(_("Malformed line %lu in source list %s ([%s] is not an assignment)"),CurLine,File.c_str(), option.c_str());
string const key = string(option, 0, needle);
string const value = string(option, needle + 1, option.length());
if (key.empty() == true)
return _error->Error(_("Malformed line %lu in source list %s ([%s] has no key)"),CurLine,File.c_str(), option.c_str());
if (value.empty() == true)
return _error->Error(_("Malformed line %lu in source list %s ([%s] key %s has no value)"),CurLine,File.c_str(),option.c_str(),key.c_str());
Options[key] = value;
}
++Buffer; // ignore the ]
for (;Buffer != 0 && isspace(*Buffer); ++Buffer); // Skip whitespaces
}
string URI;
string Dist;
string Section;
if (ParseQuoteWord(Buffer,URI) == false)
return _error->Error(_("Malformed line %lu in source list %s (URI)"),CurLine,File.c_str());
if (ParseQuoteWord(Buffer,Dist) == false)
return _error->Error(_("Malformed line %lu in source list %s (dist)"),CurLine,File.c_str());
if (FixupURI(URI) == false)
return _error->Error(_("Malformed line %lu in source list %s (URI parse)"),CurLine,File.c_str());
// Check for an absolute dists specification.
if (Dist.empty() == false && Dist[Dist.size() - 1] == '/')
{
if (ParseQuoteWord(Buffer,Section) == true)
return _error->Error(_("Malformed line %lu in source list %s (absolute dist)"),CurLine,File.c_str());
Dist = SubstVar(Dist,"$(ARCH)",_config->Find("APT::Architecture"));
return CreateItem(List, URI, Dist, Section, Options);
}
// Grab the rest of the dists
if (ParseQuoteWord(Buffer,Section) == false)
return _error->Error(_("Malformed line %lu in source list %s (dist parse)"),CurLine,File.c_str());
do
{
if (CreateItem(List, URI, Dist, Section, Options) == false)
return false;
}
while (ParseQuoteWord(Buffer,Section) == true);
return true;
}
/*}}}*/
// SourceList::pkgSourceList - Constructors /*{{{*/
// ---------------------------------------------------------------------
/* */
pkgSourceList::pkgSourceList()
{
}
pkgSourceList::pkgSourceList(string File)
{
Read(File);
}
/*}}}*/
// SourceList::~pkgSourceList - Destructor /*{{{*/
// ---------------------------------------------------------------------
/* */
pkgSourceList::~pkgSourceList()
{
for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I)
delete *I;
}
/*}}}*/
// SourceList::ReadMainList - Read the main source list from etc /*{{{*/
// ---------------------------------------------------------------------
/* */
bool pkgSourceList::ReadMainList()
{
// CNC:2003-03-03 - Multiple sources list support.
bool Res = true;
#if 0
Res = ReadVendors();
if (Res == false)
return false;
#endif
Reset();
// CNC:2003-11-28 - Entries in sources.list have priority over
// entries in sources.list.d.
string Main = _config->FindFile("Dir::Etc::sourcelist");
string Parts = _config->FindDir("Dir::Etc::sourceparts");
if (RealFileExists(Main) == true)
Res &= ReadAppend(Main);
else if (DirectoryExists(Parts) == false)
// Only warn if there are no sources.list.d.
_error->WarningE("DirectoryExists", _("Unable to read %s"), Parts.c_str());
if (DirectoryExists(Parts) == true)
Res &= ReadSourceDir(Parts);
else if (RealFileExists(Main) == false)
// Only warn if there is no sources.list file.
_error->WarningE("RealFileExists", _("Unable to read %s"), Main.c_str());
return Res;
}
/*}}}*/
// SourceList::Reset - Clear the sourcelist contents /*{{{*/
// ---------------------------------------------------------------------
/* */
void pkgSourceList::Reset()
{
for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I)
delete *I;
SrcList.erase(SrcList.begin(),SrcList.end());
}
/*}}}*/
// SourceList::Read - Parse the sourcelist file /*{{{*/
// ---------------------------------------------------------------------
/* */
bool pkgSourceList::Read(string File)
{
Reset();
return ReadAppend(File);
}
/*}}}*/
// SourceList::ReadAppend - Parse a sourcelist file /*{{{*/
// ---------------------------------------------------------------------
/* */
bool pkgSourceList::ReadAppend(string File)
{
if (_config->FindB("APT::Sources::Use-Deb822", true) == true)
{
int lines_parsed =ParseFileDeb822(File);
if (lines_parsed < 0)
return false;
else if (lines_parsed > 0)
return true;
// no lines parsed ... fall through and use old style parser
}
return ParseFileOldStyle(File);
}
// SourceList::ReadFileOldStyle - Read Traditional style sources.list /*{{{*/
// ---------------------------------------------------------------------
/* */
bool pkgSourceList::ParseFileOldStyle(string File)
{
// Open the stream for reading
ifstream F(File.c_str(),ios::in /*| ios::nocreate*/);
if (!F != 0)
return _error->Errno("ifstream::ifstream",_("Opening %s"),File.c_str());
// CNC:2003-12-10 - 300 is too short.
char Buffer[1024];
int CurLine = 0;
while (F.eof() == false)
{
F.getline(Buffer,sizeof(Buffer));
CurLine++;
_strtabexpand(Buffer,sizeof(Buffer));
if (F.fail() && !F.eof())
return _error->Error(_("Line %u too long in source list %s."),
CurLine,File.c_str());
char *I;
// CNC:2003-02-20 - Do not break if '#' is inside [].
for (I = Buffer; *I != 0 && *I != '#'; I++)
if (*I == '[')
{
char *b_end = strchr(I + 1, ']');
if (b_end != NULL)
I = b_end;
}
*I = 0;
const char *C = _strstrip(Buffer);
// Comment or blank
if (C[0] == '#' || C[0] == 0)
continue;
// Grok it
string LineType;
if (ParseQuoteWord(C,LineType) == false)
return _error->Error(_("Malformed line %u in source list %s (type)"),CurLine,File.c_str());
Type *Parse = Type::GetType(LineType.c_str());
if (Parse == 0)
return _error->Error(_("Type '%s' is not known on line %u in source list %s"),LineType.c_str(),CurLine,File.c_str());
if (Parse->ParseLine(SrcList, C, CurLine, File) == false)
return false;
}
return true;
}
/*}}}*/
// SourceList::ParseFileDeb822 - Parse deb822 style sources.list /*{{{*/
// ---------------------------------------------------------------------
/* Returns: the number of stanzas parsed*/
int pkgSourceList::ParseFileDeb822(string File)
{
pkgTagSection Tags;
unsigned int i=0;
// see if we can read the file
_error->PushToStack();
FileFd Fd(File, FileFd::ReadOnly);
pkgTagFile Sources(&Fd);
if (_error->PendingError() == true)
{
_error->RevertToStack();
return 0;
}
_error->MergeWithStack();
// read step by step
while (Sources.Step(Tags) == true)
{
if(!Tags.Exists("Type"))
continue;
string const type = Tags.FindS("Type");
Type *Parse = Type::GetType(type.c_str());
if (Parse == 0)
{
_error->Error(_("Type '%s' is not known on stanza %u in source list %s"),type.c_str(),i,Fd.Name().c_str());
return -1;
}
if (!Parse->ParseStanza(SrcList, Tags, i, Fd))
return -1;
i++;
}
// we are done, return the number of stanzas read
return i;
}
/*}}}*/
// SourceList::FindIndex - Get the index associated with a file /*{{{*/
// ---------------------------------------------------------------------
/* */
bool pkgSourceList::FindIndex(pkgCache::PkgFileIterator File,
pkgIndexFile *&Found) const
{
for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I)
{
vector<pkgIndexFile *> *Indexes = (*I)->GetIndexFiles();
for (vector<pkgIndexFile *>::const_iterator J = Indexes->begin();
J != Indexes->end(); ++J)
{
if ((*J)->FindInCache(*File.Cache()) == File)
{
Found = (*J);
return true;
}
}
}
return false;
}
/*}}}*/
// SourceList::GetIndexes - Load the index files into the downloader /*{{{*/
// ---------------------------------------------------------------------
/* */
bool pkgSourceList::GetIndexes(pkgAcquire *Owner, bool GetAll) const
{
for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I)
if ((*I)->GetIndexes(Owner,GetAll) == false)
return false;
return true;
}
/*}}}*/
// CNC:2003-03-03 - By Anton V. Denisov <avd@altlinux.org>.
// SourceList::ReadSourceDir - Read a directory with sources files
// Based on ReadConfigDir() /*{{{*/
// ---------------------------------------------------------------------
/* */
bool pkgSourceList::ReadSourceDir(string Dir)
{
vector<string> const List = GetListOfFilesInDir(Dir, "list", true);
// Read the files
for (vector<string>::const_iterator I = List.begin(); I != List.end(); ++I)
if (ReadAppend(*I) == false)
return false;
return true;
}
/*}}}*/
// GetLastModified() /*{{{*/
// ---------------------------------------------------------------------
/* */
time_t pkgSourceList::GetLastModifiedTime()
{
vector<string> List;
string Main = _config->FindFile("Dir::Etc::sourcelist");
string Parts = _config->FindDir("Dir::Etc::sourceparts");
// go over the parts
if (DirectoryExists(Parts) == true)
List = GetListOfFilesInDir(Parts, "list", true);
// calculate the time
time_t mtime_sources = GetModificationTime(Main);
for (vector<string>::const_iterator I = List.begin(); I != List.end(); ++I)
mtime_sources = std::max(mtime_sources, GetModificationTime(*I));
return mtime_sources;
}
/*}}}*/