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536 lines
18 KiB
536 lines
18 KiB
// -*- mode: cpp; mode: fold -*-
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// Description /*{{{*/
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// $Id: sourcelist.cc,v 1.3 2002/08/15 20:51:37 niemeyer Exp $
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/* ######################################################################
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List of Sources
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##################################################################### */
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/*}}}*/
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// Include Files /*{{{*/
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#include<config.h>
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#include <apt-pkg/sourcelist.h>
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#include <apt-pkg/error.h>
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#include <apt-pkg/fileutl.h>
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#include <apt-pkg/strutl.h>
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#include <apt-pkg/configuration.h>
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#include <apt-pkg/metaindex.h>
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#include <apt-pkg/indexfile.h>
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#include <apt-pkg/tagfile.h>
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#include <apt-pkg/pkgcache.h>
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#include <apt-pkg/cacheiterators.h>
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#include <ctype.h>
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#include <stddef.h>
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#include <time.h>
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#include <cstring>
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#include <map>
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#include <string>
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#include <vector>
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#include <fstream>
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#include <algorithm>
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#include <apti18n.h>
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/*}}}*/
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using namespace std;
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// Global list of Items supported
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static pkgSourceList::Type *ItmList[10];
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pkgSourceList::Type **pkgSourceList::Type::GlobalList = ItmList;
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unsigned long pkgSourceList::Type::GlobalListLen = 0;
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// Type::Type - Constructor /*{{{*/
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// ---------------------------------------------------------------------
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/* Link this to the global list of items*/
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pkgSourceList::Type::Type(char const * const pName, char const * const pLabel) : Name(pName), Label(pLabel)
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{
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ItmList[GlobalListLen] = this;
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++GlobalListLen;
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}
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pkgSourceList::Type::~Type() {}
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/*}}}*/
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// Type::GetType - Get a specific meta for a given type /*{{{*/
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// ---------------------------------------------------------------------
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/* */
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pkgSourceList::Type *pkgSourceList::Type::GetType(const char *Type)
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{
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for (unsigned I = 0; I != GlobalListLen; ++I)
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if (strcmp(GlobalList[I]->Name,Type) == 0)
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return GlobalList[I];
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return 0;
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}
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/*}}}*/
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// Type::FixupURI - Normalize the URI and check it.. /*{{{*/
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// ---------------------------------------------------------------------
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/* */
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bool pkgSourceList::Type::FixupURI(string &URI) const
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{
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if (URI.empty() == true)
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return false;
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if (URI.find(':') == string::npos)
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return false;
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URI = SubstVar(URI,"$(ARCH)",_config->Find("APT::Architecture"));
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// Make sure that the URI is / postfixed
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if (URI[URI.size() - 1] != '/')
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URI += '/';
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return true;
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}
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/*}}}*/
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bool pkgSourceList::Type::ParseStanza(vector<metaIndex *> &List, /*{{{*/
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pkgTagSection &Tags,
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unsigned int const i,
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FileFd &Fd)
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{
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map<string, string> Options;
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string Enabled = Tags.FindS("Enabled");
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if (Enabled.empty() == false && StringToBool(Enabled) == false)
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return true;
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std::map<char const * const, std::pair<char const * const, bool> > mapping;
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#define APT_PLUSMINUS(X, Y) \
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mapping.insert(std::make_pair(X, std::make_pair(Y, true))); \
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mapping.insert(std::make_pair(X "Add", std::make_pair(Y "+", true))); \
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mapping.insert(std::make_pair(X "Remove", std::make_pair(Y "-", true)))
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APT_PLUSMINUS("Architectures", "arch");
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APT_PLUSMINUS("Languages", "lang");
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APT_PLUSMINUS("Targets", "target");
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#undef APT_PLUSMINUS
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mapping.insert(std::make_pair("Trusted", std::make_pair("trusted", false)));
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mapping.insert(std::make_pair("Check-Valid-Until", std::make_pair("check-valid-until", false)));
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mapping.insert(std::make_pair("Valid-Until-Min", std::make_pair("valid-until-min", false)));
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mapping.insert(std::make_pair("Valid-Until-Max", std::make_pair("valid-until-max", false)));
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mapping.insert(std::make_pair("Signed-By", std::make_pair("signed-by", false)));
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for (std::map<char const * const, std::pair<char const * const, bool> >::const_iterator m = mapping.begin(); m != mapping.end(); ++m)
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if (Tags.Exists(m->first))
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{
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std::string option = Tags.FindS(m->first);
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// for deb822 the " " is the delimiter, but the backend expects ","
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if (m->second.second == true)
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std::replace(option.begin(), option.end(), ' ', ',');
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Options[m->second.first] = option;
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}
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// now create one item per suite/section
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string Suite = Tags.FindS("Suites");
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Suite = SubstVar(Suite,"$(ARCH)",_config->Find("APT::Architecture"));
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string const Component = Tags.FindS("Components");
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string const URIS = Tags.FindS("URIs");
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std::vector<std::string> const list_uris = VectorizeString(URIS, ' ');
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std::vector<std::string> const list_suite = VectorizeString(Suite, ' ');
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std::vector<std::string> const list_comp = VectorizeString(Component, ' ');
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if (list_uris.empty())
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// TRANSLATOR: %u is a line number, the first %s is a filename of a file with the extension "second %s" and the third %s is a unique identifier for bugreports
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return _error->Error(_("Malformed entry %u in %s file %s (%s)"), i, "sources", Fd.Name().c_str(), "URI");
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for (std::vector<std::string>::const_iterator U = list_uris.begin();
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U != list_uris.end(); ++U)
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{
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std::string URI = *U;
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if (U->empty() || FixupURI(URI) == false)
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return _error->Error(_("Malformed entry %u in %s file %s (%s)"), i, "sources", Fd.Name().c_str(), "URI parse");
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if (list_suite.empty())
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return _error->Error(_("Malformed entry %u in %s file %s (%s)"), i, "sources", Fd.Name().c_str(), "Suite");
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for (std::vector<std::string>::const_iterator S = list_suite.begin();
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S != list_suite.end(); ++S)
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{
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if (S->empty() == false && (*S)[S->size() - 1] == '/')
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{
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if (list_comp.empty() == false)
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return _error->Error(_("Malformed entry %u in %s file %s (%s)"), i, "sources", Fd.Name().c_str(), "absolute Suite Component");
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if (CreateItem(List, URI, *S, "", Options) == false)
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return false;
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}
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else
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{
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if (list_comp.empty())
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return _error->Error(_("Malformed entry %u in %s file %s (%s)"), i, "sources", Fd.Name().c_str(), "Component");
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for (std::vector<std::string>::const_iterator C = list_comp.begin();
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C != list_comp.end(); ++C)
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{
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if (CreateItem(List, URI, *S, *C, Options) == false)
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{
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return false;
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}
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}
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}
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}
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}
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return true;
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}
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/*}}}*/
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// Type::ParseLine - Parse a single line /*{{{*/
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// ---------------------------------------------------------------------
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/* This is a generic one that is the 'usual' format for sources.list
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Weird types may override this. */
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bool pkgSourceList::Type::ParseLine(vector<metaIndex *> &List,
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const char *Buffer,
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unsigned int const CurLine,
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string const &File) const
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{
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for (;Buffer != 0 && isspace(*Buffer); ++Buffer); // Skip whitespaces
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// Parse option field if it exists
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// e.g.: [ option1=value1 option2=value2 ]
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map<string, string> Options;
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if (Buffer != 0 && Buffer[0] == '[')
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{
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++Buffer; // ignore the [
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for (;Buffer != 0 && isspace(*Buffer); ++Buffer); // Skip whitespaces
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while (*Buffer != ']')
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{
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// get one option, e.g. option1=value1
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string option;
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if (ParseQuoteWord(Buffer,option) == false)
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return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "[option] unparseable");
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if (option.length() < 3)
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return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "[option] too short");
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// accept options even if the last has no space before the ]-end marker
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if (option.at(option.length()-1) == ']')
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{
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for (; *Buffer != ']'; --Buffer);
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option.resize(option.length()-1);
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}
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size_t const needle = option.find('=');
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if (needle == string::npos)
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return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "[option] not assignment");
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string const key = string(option, 0, needle);
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string const value = string(option, needle + 1, option.length());
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if (key.empty() == true)
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return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "[option] no key");
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if (value.empty() == true)
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return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "[option] no value");
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Options[key] = value;
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}
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++Buffer; // ignore the ]
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for (;Buffer != 0 && isspace(*Buffer); ++Buffer); // Skip whitespaces
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}
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string URI;
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string Dist;
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string Section;
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if (ParseQuoteWord(Buffer,URI) == false)
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return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "URI");
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if (ParseQuoteWord(Buffer,Dist) == false)
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return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "Suite");
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if (FixupURI(URI) == false)
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return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "URI parse");
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// Check for an absolute dists specification.
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if (Dist.empty() == false && Dist[Dist.size() - 1] == '/')
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{
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if (ParseQuoteWord(Buffer,Section) == true)
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return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "absolute Suite Component");
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Dist = SubstVar(Dist,"$(ARCH)",_config->Find("APT::Architecture"));
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return CreateItem(List, URI, Dist, Section, Options);
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}
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// Grab the rest of the dists
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if (ParseQuoteWord(Buffer,Section) == false)
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return _error->Error(_("Malformed entry %u in %s file %s (%s)"), CurLine, "list", File.c_str(), "Component");
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do
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{
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if (CreateItem(List, URI, Dist, Section, Options) == false)
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return false;
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}
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while (ParseQuoteWord(Buffer,Section) == true);
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return true;
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}
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/*}}}*/
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// SourceList::pkgSourceList - Constructors /*{{{*/
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// ---------------------------------------------------------------------
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/* */
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pkgSourceList::pkgSourceList() : d(NULL)
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{
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}
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/*}}}*/
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// SourceList::~pkgSourceList - Destructor /*{{{*/
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// ---------------------------------------------------------------------
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/* */
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pkgSourceList::~pkgSourceList()
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{
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for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I)
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delete *I;
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SrcList.clear();
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for (pkgIndexFile * const File : VolatileFiles)
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delete File;
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VolatileFiles.clear();
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}
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/*}}}*/
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// SourceList::ReadMainList - Read the main source list from etc /*{{{*/
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// ---------------------------------------------------------------------
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/* */
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bool pkgSourceList::ReadMainList()
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{
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// CNC:2003-03-03 - Multiple sources list support.
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bool Res = true;
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#if 0
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Res = ReadVendors();
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if (Res == false)
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return false;
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#endif
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Reset();
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// CNC:2003-11-28 - Entries in sources.list have priority over
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// entries in sources.list.d.
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string Main = _config->FindFile("Dir::Etc::sourcelist");
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string Parts = _config->FindDir("Dir::Etc::sourceparts");
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if (RealFileExists(Main) == true)
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Res &= ReadAppend(Main);
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else if (DirectoryExists(Parts) == false)
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// Only warn if there are no sources.list.d.
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_error->WarningE("DirectoryExists", _("Unable to read %s"), Parts.c_str());
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if (DirectoryExists(Parts) == true)
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Res &= ReadSourceDir(Parts);
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else if (RealFileExists(Main) == false)
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// Only warn if there is no sources.list file.
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_error->WarningE("RealFileExists", _("Unable to read %s"), Main.c_str());
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return Res;
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}
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/*}}}*/
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// SourceList::Reset - Clear the sourcelist contents /*{{{*/
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// ---------------------------------------------------------------------
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/* */
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void pkgSourceList::Reset()
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{
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for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I)
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delete *I;
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SrcList.erase(SrcList.begin(),SrcList.end());
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}
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/*}}}*/
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// SourceList::Read - Parse the sourcelist file /*{{{*/
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// ---------------------------------------------------------------------
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/* */
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bool pkgSourceList::Read(string const &File)
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{
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Reset();
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return ReadAppend(File);
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}
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/*}}}*/
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// SourceList::ReadAppend - Parse a sourcelist file /*{{{*/
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// ---------------------------------------------------------------------
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/* */
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bool pkgSourceList::ReadAppend(string const &File)
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{
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if (flExtension(File) == "sources")
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return ParseFileDeb822(File);
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else
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return ParseFileOldStyle(File);
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}
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/*}}}*/
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// SourceList::ReadFileOldStyle - Read Traditional style sources.list /*{{{*/
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// ---------------------------------------------------------------------
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/* */
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bool pkgSourceList::ParseFileOldStyle(std::string const &File)
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{
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// Open the stream for reading
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ifstream F(File.c_str(),ios::in /*| ios::nocreate*/);
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if (F.fail() == true)
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return _error->Errno("ifstream::ifstream",_("Opening %s"),File.c_str());
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std::string Buffer;
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for (unsigned int CurLine = 1; std::getline(F, Buffer); ++CurLine)
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{
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// remove comments
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size_t curpos = 0;
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while ((curpos = Buffer.find('#', curpos)) != std::string::npos)
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{
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size_t const openbrackets = std::count(Buffer.begin(), Buffer.begin() + curpos, '[');
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size_t const closedbrackets = std::count(Buffer.begin(), Buffer.begin() + curpos, ']');
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if (openbrackets > closedbrackets)
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{
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// a # in an option, unlikely, but oh well, it was supported so stick to it
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++curpos;
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continue;
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}
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Buffer.erase(curpos);
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break;
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}
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// remove spaces before/after
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curpos = Buffer.find_first_not_of(" \t\r");
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if (curpos != 0)
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Buffer.erase(0, curpos);
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curpos = Buffer.find_last_not_of(" \t\r");
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if (curpos != std::string::npos)
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Buffer.erase(curpos + 1);
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if (Buffer.empty())
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continue;
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// Grok it
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std::string const LineType = Buffer.substr(0, Buffer.find(' '));
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if (LineType.empty() || LineType == Buffer)
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return _error->Error(_("Malformed line %u in source list %s (type)"),CurLine,File.c_str());
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Type *Parse = Type::GetType(LineType.c_str());
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if (Parse == 0)
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return _error->Error(_("Type '%s' is not known on line %u in source list %s"),LineType.c_str(),CurLine,File.c_str());
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if (Parse->ParseLine(SrcList, Buffer.c_str() + LineType.length(), CurLine, File) == false)
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return false;
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}
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return true;
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}
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/*}}}*/
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// SourceList::ParseFileDeb822 - Parse deb822 style sources.list /*{{{*/
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// ---------------------------------------------------------------------
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/* Returns: the number of stanzas parsed*/
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bool pkgSourceList::ParseFileDeb822(string const &File)
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{
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pkgUserTagSection Tags;
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unsigned int i = 1;
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// see if we can read the file
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FileFd Fd(File, FileFd::ReadOnly);
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pkgTagFile Sources(&Fd);
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if (_error->PendingError() == true)
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return _error->Error(_("Malformed stanza %u in source list %s (type)"),i,File.c_str());
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// read step by step
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while (Sources.Step(Tags) == true)
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{
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if(Tags.Exists("Types") == false)
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return _error->Error(_("Malformed stanza %u in source list %s (type)"),i,File.c_str());
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string const types = Tags.FindS("Types");
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std::vector<std::string> const list_types = VectorizeString(types, ' ');
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for (std::vector<std::string>::const_iterator I = list_types.begin();
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I != list_types.end(); ++I)
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{
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Type *Parse = Type::GetType((*I).c_str());
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if (Parse == 0)
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{
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_error->Error(_("Type '%s' is not known on stanza %u in source list %s"), (*I).c_str(),i,Fd.Name().c_str());
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return false;
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}
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if (!Parse->ParseStanza(SrcList, Tags, i, Fd))
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return false;
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++i;
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}
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}
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return true;
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}
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/*}}}*/
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// SourceList::FindIndex - Get the index associated with a file /*{{{*/
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// ---------------------------------------------------------------------
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/* */
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bool pkgSourceList::FindIndex(pkgCache::PkgFileIterator File,
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pkgIndexFile *&Found) const
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{
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for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I)
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{
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vector<pkgIndexFile *> *Indexes = (*I)->GetIndexFiles();
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for (vector<pkgIndexFile *>::const_iterator J = Indexes->begin();
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J != Indexes->end(); ++J)
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{
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if ((*J)->FindInCache(*File.Cache()) == File)
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{
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Found = (*J);
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return true;
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}
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}
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}
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for (vector<pkgIndexFile *>::const_iterator J = VolatileFiles.begin();
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J != VolatileFiles.end(); ++J)
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{
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if ((*J)->FindInCache(*File.Cache()) == File)
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{
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Found = (*J);
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return true;
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}
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}
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return false;
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}
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/*}}}*/
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// SourceList::GetIndexes - Load the index files into the downloader /*{{{*/
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// ---------------------------------------------------------------------
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|
/* */
|
|
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 const &Dir)
|
|
{
|
|
std::vector<std::string> ext;
|
|
ext.push_back("list");
|
|
ext.push_back("sources");
|
|
std::vector<std::string> const List = GetListOfFilesInDir(Dir, ext, 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;
|
|
}
|
|
/*}}}*/
|
|
std::vector<pkgIndexFile*> pkgSourceList::GetVolatileFiles() const /*{{{*/
|
|
{
|
|
return VolatileFiles;
|
|
}
|
|
/*}}}*/
|
|
void pkgSourceList::AddVolatileFile(pkgIndexFile * const File) /*{{{*/
|
|
{
|
|
if (File != NULL)
|
|
VolatileFiles.push_back(File);
|
|
}
|
|
/*}}}*/
|
|
|