#include <sys/types.h>
#include <dirent.h>
#include <stdio.h>
+#include <fcntl.h>
#include <algorithm>
#include <string>
#include <vector>
/*}}}*/
namespace APT {
-// getCompressionTypes - Return Vector of usbale compressiontypes /*{{{*/
+// getCompressionTypes - Return Vector of usable compressiontypes /*{{{*/
// ---------------------------------------------------------------------
-/* return a vector of compression types in the prefered order. */
+/* return a vector of compression types in the preferred order. */
std::vector<std::string>
const Configuration::getCompressionTypes(bool const &Cached) {
static std::vector<std::string> types;
_config->CndSet("Acquire::CompressionTypes::gz","gzip");
setDefaultConfigurationForCompressors();
+ std::vector<APT::Configuration::Compressor> const compressors = getCompressors();
// accept non-list order as override setting for config settings on commandline
std::string const overrideOrder = _config->Find("Acquire::CompressionTypes::Order","");
if ((*o).empty() == true)
continue;
// ignore types we have no method ready to use
- if (_config->Exists(std::string("Acquire::CompressionTypes::").append(*o)) == false)
+ std::string const method = std::string("Acquire::CompressionTypes::").append(*o);
+ if (_config->Exists(method) == false)
continue;
// ignore types we have no app ready to use
- std::string const appsetting = std::string("Dir::Bin::").append(*o);
- if (_config->Exists(appsetting) == true) {
- std::string const app = _config->FindFile(appsetting.c_str(), "");
- if (app.empty() == false && FileExists(app) == false)
- continue;
- }
+ std::string const app = _config->Find(method);
+ std::vector<APT::Configuration::Compressor>::const_iterator c = compressors.begin();
+ for (; c != compressors.end(); ++c)
+ if (c->Name == app)
+ break;
+ if (c == compressors.end())
+ continue;
types.push_back(*o);
}
if (std::find(types.begin(),types.end(),Types->Tag) != types.end())
continue;
// ignore types we have no app ready to use
- std::string const appsetting = std::string("Dir::Bin::").append(Types->Value);
- if (appsetting.empty() == false && _config->Exists(appsetting) == true) {
- std::string const app = _config->FindFile(appsetting.c_str(), "");
- if (app.empty() == false && FileExists(app) == false)
- continue;
- }
+ std::vector<APT::Configuration::Compressor>::const_iterator c = compressors.begin();
+ for (; c != compressors.end(); ++c)
+ if (c->Name == Types->Value)
+ break;
+ if (c == compressors.end())
+ continue;
types.push_back(Types->Tag);
}
/*}}}*/
// GetLanguages - Return Vector of Language Codes /*{{{*/
// ---------------------------------------------------------------------
-/* return a vector of language codes in the prefered order.
+/* return a vector of language codes in the preferred order.
the special word "environment" will be replaced with the long and the short
code of the local settings and it will be insured that this will not add
duplicates. So in an german local the setting "environment, de_DE, en, de"
// so they will be all included in the Cache.
std::vector<string> builtin;
DIR *D = opendir(_config->FindDir("Dir::State::lists").c_str());
- if (D != 0) {
+ if (D != NULL) {
builtin.push_back("none");
for (struct dirent *Ent = readdir(D); Ent != 0; Ent = readdir(D)) {
- string const name = Ent->d_name;
+ string const name = SubstVar(Ent->d_name, "%5f", "_");
size_t const foundDash = name.rfind("-");
- size_t const foundUnderscore = name.rfind("_");
+ size_t const foundUnderscore = name.rfind("_", foundDash);
if (foundDash == string::npos || foundUnderscore == string::npos ||
foundDash <= foundUnderscore ||
name.substr(foundUnderscore+1, foundDash-(foundUnderscore+1)) != "Translation")
// Skip unusual files, like backups or that alike
string::const_iterator s = c.begin();
for (;s != c.end(); ++s) {
- if (isalpha(*s) == 0)
+ if (isalpha(*s) == 0 && *s != '_')
break;
}
if (s != c.end())
continue;
builtin.push_back(c);
}
+ closedir(D);
}
- closedir(D);
// FIXME: Remove support for the old APT::Acquire::Translation
// it was undocumented and so it should be not very widthly used
// override the configuration settings vector of languages.
string const forceLang = _config->Find("Acquire::Languages","");
if (forceLang.empty() == false) {
- if (forceLang == "environment") {
- codes = environment;
- } else if (forceLang != "none")
- codes.push_back(forceLang);
- allCodes = codes;
- for (std::vector<string>::const_iterator b = builtin.begin();
- b != builtin.end(); ++b)
- if (std::find(allCodes.begin(), allCodes.end(), *b) == allCodes.end())
- allCodes.push_back(*b);
+ if (forceLang == "none") {
+ codes.clear();
+ allCodes.clear();
+ allCodes.push_back("none");
+ } else {
+ if (forceLang == "environment")
+ codes = environment;
+ else
+ codes.push_back(forceLang);
+ allCodes = codes;
+ for (std::vector<string>::const_iterator b = builtin.begin();
+ b != builtin.end(); ++b)
+ if (std::find(allCodes.begin(), allCodes.end(), *b) == allCodes.end())
+ allCodes.push_back(*b);
+ }
if (All == true)
return allCodes;
else
return codes;
}
/*}}}*/
-// getArchitectures - Return Vector of prefered Architectures /*{{{*/
+// checkLanguage - are we interested in the given Language? /*{{{*/
+bool const Configuration::checkLanguage(std::string Lang, bool const All) {
+ // the empty Language is always interesting as it is the original
+ if (Lang.empty() == true)
+ return true;
+ // filenames are encoded, so undo this
+ Lang = SubstVar(Lang, "%5f", "_");
+ std::vector<std::string> const langs = getLanguages(All, true);
+ return (std::find(langs.begin(), langs.end(), Lang) != langs.end());
+}
+ /*}}}*/
+// getArchitectures - Return Vector of preferred Architectures /*{{{*/
std::vector<std::string> const Configuration::getArchitectures(bool const &Cached) {
using std::string;
// FIXME: It is a bit unclean to have debian specific code here…
if (archs.empty() == true) {
archs.push_back(arch);
- string dpkgcall = _config->Find("Dir::Bin::dpkg", "dpkg");
- std::vector<string> const dpkgoptions = _config->FindVector("DPkg::options");
- for (std::vector<string>::const_iterator o = dpkgoptions.begin();
- o != dpkgoptions.end(); ++o)
- dpkgcall.append(" ").append(*o);
- dpkgcall.append(" --print-foreign-architectures 2> /dev/null");
- FILE *dpkg = popen(dpkgcall.c_str(), "r");
- char buf[1024];
+
+ // Generate the base argument list for dpkg
+ std::vector<const char *> Args;
+ string Tmp = _config->Find("Dir::Bin::dpkg","dpkg");
+ {
+ string const dpkgChrootDir = _config->FindDir("DPkg::Chroot-Directory", "/");
+ size_t dpkgChrootLen = dpkgChrootDir.length();
+ if (dpkgChrootDir != "/" && Tmp.find(dpkgChrootDir) == 0) {
+ if (dpkgChrootDir[dpkgChrootLen - 1] == '/')
+ --dpkgChrootLen;
+ Tmp = Tmp.substr(dpkgChrootLen);
+ }
+ }
+ Args.push_back(Tmp.c_str());
+
+ // Stick in any custom dpkg options
+ ::Configuration::Item const *Opts = _config->Tree("DPkg::Options");
+ if (Opts != 0) {
+ Opts = Opts->Child;
+ for (; Opts != 0; Opts = Opts->Next)
+ {
+ if (Opts->Value.empty() == true)
+ continue;
+ Args.push_back(Opts->Value.c_str());
+ }
+ }
+
+ Args.push_back("--print-foreign-architectures");
+ Args.push_back(NULL);
+
+ int external[2] = {-1, -1};
+ if (pipe(external) != 0)
+ {
+ _error->WarningE("getArchitecture", "Can't create IPC pipe for dpkg --print-foreign-architectures");
+ return archs;
+ }
+
+ pid_t dpkgMultiArch = ExecFork();
+ if (dpkgMultiArch == 0) {
+ close(external[0]);
+ std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory");
+ int const nullfd = open("/dev/null", O_RDONLY);
+ dup2(nullfd, STDIN_FILENO);
+ dup2(external[1], STDOUT_FILENO);
+ dup2(nullfd, STDERR_FILENO);
+ if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0 && chdir("/") != 0)
+ _error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --print-foreign-architectures", chrootDir.c_str());
+ execvp(Args[0], (char**) &Args[0]);
+ _error->WarningE("getArchitecture", "Can't detect foreign architectures supported by dpkg!");
+ _exit(100);
+ }
+ close(external[1]);
+
+ FILE *dpkg = fdopen(external[0], "r");
if(dpkg != NULL) {
- if (fgets(buf, sizeof(buf), dpkg) != NULL) {
+ char buf[1024];
+ while (fgets(buf, sizeof(buf), dpkg) != NULL) {
char* arch = strtok(buf, " ");
while (arch != NULL) {
for (; isspace(*arch) != 0; ++arch);
if (arch[0] != '\0') {
char const* archend = arch;
for (; isspace(*archend) == 0 && *archend != '\0'; ++archend);
- archs.push_back(string(arch, (archend - arch)));
+ string a(arch, (archend - arch));
+ if (std::find(archs.begin(), archs.end(), a) == archs.end())
+ archs.push_back(a);
}
arch = strtok(NULL, " ");
}
}
- pclose(dpkg);
+ fclose(dpkg);
}
+ ExecWait(dpkgMultiArch, "dpkg --print-foreign-architectures", true);
return archs;
}
// setDefaultConfigurationForCompressors /*{{{*/
void Configuration::setDefaultConfigurationForCompressors() {
// Set default application paths to check for optional compression types
- _config->CndSet("Dir::Bin::lzma", "/usr/bin/lzma");
- _config->CndSet("Dir::Bin::xz", "/usr/bin/xz");
_config->CndSet("Dir::Bin::bzip2", "/bin/bzip2");
+ _config->CndSet("Dir::Bin::xz", "/usr/bin/xz");
+ if (FileExists(_config->FindFile("Dir::Bin::xz")) == true) {
+ _config->Set("Dir::Bin::lzma", _config->FindFile("Dir::Bin::xz"));
+ _config->Set("APT::Compressor::lzma::Binary", "xz");
+ if (_config->Exists("APT::Compressor::lzma::CompressArg") == false) {
+ _config->Set("APT::Compressor::lzma::CompressArg::", "--format=lzma");
+ _config->Set("APT::Compressor::lzma::CompressArg::", "-9");
+ }
+ if (_config->Exists("APT::Compressor::lzma::UncompressArg") == false) {
+ _config->Set("APT::Compressor::lzma::UncompressArg::", "--format=lzma");
+ _config->Set("APT::Compressor::lzma::UncompressArg::", "-d");
+ }
+ } else {
+ _config->CndSet("Dir::Bin::lzma", "/usr/bin/lzma");
+ if (_config->Exists("APT::Compressor::lzma::CompressArg") == false) {
+ _config->Set("APT::Compressor::lzma::CompressArg::", "--suffix=");
+ _config->Set("APT::Compressor::lzma::CompressArg::", "-9");
+ }
+ if (_config->Exists("APT::Compressor::lzma::UncompressArg") == false) {
+ _config->Set("APT::Compressor::lzma::UncompressArg::", "--suffix=");
+ _config->Set("APT::Compressor::lzma::UncompressArg::", "-d");
+ }
+ }
}
/*}}}*/
// getCompressors - Return Vector of usbale compressors /*{{{*/
setDefaultConfigurationForCompressors();
- compressors.push_back(Compressor(".", "", "", "", "", 1));
+ compressors.push_back(Compressor(".", "", "", NULL, NULL, 1));
if (_config->Exists("Dir::Bin::gzip") == false || FileExists(_config->FindFile("Dir::Bin::gzip")) == true)
compressors.push_back(Compressor("gzip",".gz","gzip","-9n","-d",2));
+#ifdef HAVE_ZLIB
+ else
+ compressors.push_back(Compressor("gzip",".gz","false", NULL, NULL, 2));
+#endif
if (_config->Exists("Dir::Bin::bzip2") == false || FileExists(_config->FindFile("Dir::Bin::bzip2")) == true)
compressors.push_back(Compressor("bzip2",".bz2","bzip2","-9","-d",3));
- if (_config->Exists("Dir::Bin::lzma") == false || FileExists(_config->FindFile("Dir::Bin::lzma")) == true)
- compressors.push_back(Compressor("lzma",".lzma","lzma","-9","-d",4));
+#ifdef HAVE_BZ2
+ else
+ compressors.push_back(Compressor("bzip2",".bz2","false", NULL, NULL, 3));
+#endif
if (_config->Exists("Dir::Bin::xz") == false || FileExists(_config->FindFile("Dir::Bin::xz")) == true)
- compressors.push_back(Compressor("xz",".xz","xz","-6","-d",5));
+ compressors.push_back(Compressor("xz",".xz","xz","-6","-d",4));
+ if (_config->Exists("Dir::Bin::lzma") == false || FileExists(_config->FindFile("Dir::Bin::lzma")) == true)
+ compressors.push_back(Compressor("lzma",".lzma","lzma","-9","-d",5));
std::vector<std::string> const comp = _config->FindVector("APT::Compressor");
for (std::vector<std::string>::const_iterator c = comp.begin();
char const *binary,
char const *compressArg, char const *uncompressArg,
unsigned short const cost) {
- std::string const config = std::string("APT:Compressor::").append(name).append("::");
+ std::string const config = std::string("APT::Compressor::").append(name).append("::");
Name = _config->Find(std::string(config).append("Name"), name);
Extension = _config->Find(std::string(config).append("Extension"), extension);
Binary = _config->Find(std::string(config).append("Binary"), binary);
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