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// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
/* #####################################################################
apt-helper - cmdline helpers
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
#include <config.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/cmndline.h>
#include <apt-pkg/error.h>
#include <apt-pkg/init.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/pkgsystem.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/acquire.h>
#include <apt-pkg/acquire-item.h>
#include <apt-pkg/proxy.h>
#include <apt-private/acqprogress.h>
#include <apt-private/private-output.h>
#include <apt-private/private-download.h>
#include <apt-private/private-cmndline.h>
#include <apt-private/private-main.h>
#include <apt-pkg/srvrec.h>
#include <iostream>
#include <string>
#include <vector>
#include <stdlib.h>
#include <apti18n.h>
/*}}}*/
static bool DoAutoDetectProxy(CommandLine &CmdL) /*{{{*/
{
if (CmdL.FileSize() != 2)
return _error->Error(_("Need one URL as argument"));
URI ServerURL(CmdL.FileList[1]);
AutoDetectProxy(ServerURL);
std::string SpecificProxy = _config->Find("Acquire::"+ServerURL.Access+"::Proxy::" + ServerURL.Host);
ioprintf(std::cout, "Using proxy '%s' for URL '%s'\n",
SpecificProxy.c_str(), std::string(ServerURL).c_str());
return true;
}
/*}}}*/
static bool DoDownloadFile(CommandLine &CmdL) /*{{{*/
{
if (CmdL.FileSize() <= 2)
return _error->Error(_("Must specify at least one pair url/filename"));
aptAcquireWithTextStatus Fetcher;
size_t fileind = 0;
std::vector<std::string> targetfiles;
while (fileind + 2 <= CmdL.FileSize())
{
std::string download_uri = CmdL.FileList[fileind + 1];
std::string targetfile = CmdL.FileList[fileind + 2];
std::string hash;
if (CmdL.FileSize() > fileind + 3)
hash = CmdL.FileList[fileind + 3];
// we use download_uri as descr and targetfile as short-descr
new pkgAcqFile(&Fetcher, download_uri, hash, 0, download_uri, targetfile,
"dest-dir-ignored", targetfile);
targetfiles.push_back(targetfile);
fileind += 3;
}
bool Failed = false;
if (AcquireRun(Fetcher, 0, &Failed, NULL) == false || Failed == true)
return _error->Error(_("Download Failed"));
if (targetfiles.empty() == false)
for (std::vector<std::string>::const_iterator f = targetfiles.begin(); f != targetfiles.end(); ++f)
if (FileExists(*f) == false)
return _error->Error(_("Download Failed"));
return true;
}
/*}}}*/
static bool DoSrvLookup(CommandLine &CmdL) /*{{{*/
{
if (CmdL.FileSize() <= 1)
return _error->Error("Must specify at least one SRV record");
for(size_t i = 1; CmdL.FileList[i] != NULL; ++i)
{
std::vector<SrvRec> srv_records;
std::string const name = CmdL.FileList[i];
c0out << "# Target\tPriority\tWeight\tPort # for " << name << std::endl;
size_t const found = name.find(":");
if (found != std::string::npos)
{
std::string const host = name.substr(0, found);
size_t const port = atoi(name.c_str() + found + 1);
if(GetSrvRecords(host, port, srv_records) == false)
_error->Error(_("GetSrvRec failed for %s"), name.c_str());
}
else if(GetSrvRecords(name, srv_records) == false)
_error->Error(_("GetSrvRec failed for %s"), name.c_str());
for (SrvRec const &I : srv_records)
c1out << I.target << "\t" << I.priority << "\t" << I.weight << "\t" << I.port << std::endl;
}
return true;
}
/*}}}*/
static const APT::Configuration::Compressor *FindCompressor(std::vector<APT::Configuration::Compressor> const & compressors, std::string name) /*{{{*/
{
APT::Configuration::Compressor const * compressor = NULL;
for (auto const & c : compressors)
{
if (compressor != NULL && c.Cost >= compressor->Cost)
continue;
if (c.Name == name || c.Extension == name || (!c.Extension.empty() && c.Extension.substr(1) == name))
compressor = &c;
}
return compressor;
}
/*}}}*/
static bool DoCatFile(CommandLine &CmdL) /*{{{*/
{
FileFd fd;
FileFd out;
std::string const compressorName = _config->Find("Apt-Helper::Cat-File::Compress", "");
if (compressorName.empty() == false)
{
auto const compressors = APT::Configuration::getCompressors();
auto const compressor = FindCompressor(compressors, compressorName);
if (compressor == NULL)
return _error->Error("Could not find compressor: %s", compressorName.c_str());
if (out.OpenDescriptor(STDOUT_FILENO, FileFd::WriteOnly, *compressor) == false)
return false;
} else
{
if (out.OpenDescriptor(STDOUT_FILENO, FileFd::WriteOnly) == false)
return false;
}
if (CmdL.FileSize() <= 1)
return _error->Error("Must specify at least one file name");
for(size_t i = 1; CmdL.FileList[i] != NULL; ++i)
{
std::string const name = CmdL.FileList[i];
if (fd.Open(name, FileFd::ReadOnly, FileFd::Extension) == false)
return false;
if (CopyFile(fd, out) == false)
return false;
}
return true;
}
/*}}}*/
static bool ShowHelp(CommandLine &) /*{{{*/
{
std::cout <<
_("Usage: apt-helper [options] command\n"
" apt-helper [options] cat-file file ...\n"
" apt-helper [options] download-file uri target-path\n"
"\n"
"apt-helper bundles a variety of commands for shell scripts to use\n"
"e.g. the same proxy configuration or acquire system as APT would.\n");
return true;
}
/*}}}*/
static std::vector<aptDispatchWithHelp> GetCommands() /*{{{*/
{
return {
{"download-file", &DoDownloadFile, _("download the given uri to the target-path")},
{"srv-lookup", &DoSrvLookup, _("lookup a SRV record (e.g. _http._tcp.ftp.debian.org)")},
{"cat-file", &DoCatFile, _("concatenate files, with automatic decompression")},
{"auto-detect-proxy", &DoAutoDetectProxy, _("detect proxy using apt.conf")},
{nullptr, nullptr, nullptr}
};
}
/*}}}*/
int main(int argc,const char *argv[]) /*{{{*/
{
InitLocale();
CommandLine CmdL;
auto const Cmds = ParseCommandLine(CmdL, APT_CMD::APT_HELPER, &_config, &_system, argc, argv, &ShowHelp, &GetCommands);
InitOutput();
return DispatchCommandLine(CmdL, Cmds);
}
/*}}}*/
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