#include <apt-pkg/init.h>
#include <apt-pkg/cmndline.h>
#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
#include <apt-pkg/configuration.h>
-#include <apt-pkg/progress.h>
#include <apt-pkg/sourcelist.h>
#include <apt-pkg/pkgcachegen.h>
#include <apt-pkg/version.h>
#include <apt-pkg/tagfile.h>
-#include <apt-pkg/extracttar.h>
-#include <apt-pkg/arfile.h>
+#include <apt-pkg/debfile.h>
#include <apt-pkg/deblistparser.h>
#include <apt-pkg/error.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/pkgsystem.h>
+#include <apt-pkg/dirstream.h>
+#include <apt-pkg/mmap.h>
+#include <apt-private/private-cmndline.h>
+#include <apt-private/private-main.h>
+
+#include <iostream>
#include <stdio.h>
#include <string.h>
-#include <stdlib.h>
#include <unistd.h>
-#include <locale.h>
-
-#include <fstream>
+#include <stdlib.h>
#include "apt-extracttemplates.h"
using namespace std;
-#define TMPDIR "/tmp"
-
pkgCache *DebFile::Cache = 0;
// DebFile::DebFile - Construct the DebFile object /*{{{*/
// ---------------------------------------------------------------------
/* */
DebFile::DebFile(const char *debfile)
- : File(debfile, FileFd::ReadOnly), Size(0), Control(NULL), ControlLen(0),
+ : File(debfile, FileFd::ReadOnly), Control(NULL), ControlLen(0),
DepOp(0), PreDepOp(0), Config(0), Template(0), Which(None)
{
}
/* */
bool DebFile::Go()
{
- ARArchive AR(File);
- if (_error->PendingError() == true)
- return false;
-
- const ARArchive::Member *Member = AR.FindMember("control.tar.gz");
- if (Member == 0)
- return _error->Error(_("%s not a valid DEB package."),File.Name().c_str());
-
- if (File.Seek(Member->Start) == false)
- return false;
- ExtractTar Tar(File, Member->Size,"gzip");
- return Tar.Go(*this);
+ debDebFile Deb(File);
+
+ return Deb.ExtractTarMember(*this, "control.tar");
}
/*}}}*/
// DebFile::DoItem examine element in package and mark /*{{{*/
if (strcmp(I.Name, "control") == 0)
{
delete [] Control;
- Control = new char[I.Size+1];
- Control[I.Size] = 0;
+ Control = new char[I.Size+3];
+ Control[I.Size] = '\n';
+ Control[I.Size + 1] = '\n';
+ Control[I.Size + 2] = '\0';
Which = IsControl;
- ControlLen = I.Size;
+ ControlLen = I.Size + 3;
// make it call the Process method below. this is so evil
Fd = -2;
}
// DebFile::Process examine element in package and copy /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool DebFile::Process(Item &I, const unsigned char *data,
- unsigned long size, unsigned long pos)
+bool DebFile::Process(Item &/*I*/, const unsigned char *data,
+ unsigned long long size, unsigned long long pos)
{
switch (Which)
{
bool DebFile::ParseInfo()
{
if (Control == NULL) return false;
-
+
pkgTagSection Section;
- Section.Scan(Control, ControlLen);
+ if (Section.Scan(Control, ControlLen) == false)
+ return false;
Package = Section.FindS("Package");
Version = GetInstalledVer(Package);
return true;
}
/*}}}*/
-// ShowHelp - show a short help text /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-int ShowHelp(void)
+static bool ShowHelp(CommandLine &) /*{{{*/
{
- ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION,
- COMMON_ARCH,__DATE__,__TIME__);
-
- if (_config->FindB("version") == true)
- return 0;
-
- cout <<
+ cout <<
_("Usage: apt-extracttemplates file1 [file2 ...]\n"
"\n"
- "apt-extracttemplates is a tool to extract config and template info\n"
- "from debian packages\n"
- "\n"
- "Options:\n"
- " -h This help text\n"
- " -t Set the temp dir\n"
- " -c=? Read this configuration file\n"
- " -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n");
- return 0;
+ "apt-extracttemplates is used to extract config and template files\n"
+ "from debian packages. It is used mainly by debconf(1) to prompt for\n"
+ "configuration questions before installation of packages.\n");
+ return true;
}
/*}}}*/
// WriteFile - write the contents of the passed string to a file /*{{{*/
// ---------------------------------------------------------------------
/* */
-string WriteFile(const char *package, const char *prefix, const char *data)
+static string WriteFile(const char *package, const char *prefix, const char *data)
{
char fn[512];
- static int i;
- const char *tempdir = NULL;
- tempdir = getenv("TMPDIR");
- if (tempdir == NULL)
- tempdir = TMPDIR;
-
- snprintf(fn, sizeof(fn), "%s/%s.%s.%u%d",
- _config->Find("APT::ExtractTemplates::TempDir", tempdir).c_str(),
- package, prefix, getpid(), i++);
+ std::string tempdir = GetTempDir();
+ snprintf(fn, sizeof(fn), "%s/%s.%s.XXXXXX",
+ _config->Find("APT::ExtractTemplates::TempDir",
+ tempdir.c_str()).c_str(),
+ package, prefix);
FileFd f;
if (data == NULL)
data = "";
-
- if (!f.Open(fn, FileFd::WriteTemp, 0600))
+ int fd = mkstemp(fn);
+ if (fd < 0) {
+ _error->Errno("ofstream::ofstream",_("Unable to mkstemp %s"),fn);
+ return string();
+ }
+ if (!f.OpenDescriptor(fd, FileFd::WriteOnly, FileFd::None, true))
{
_error->Errno("ofstream::ofstream",_("Unable to write to %s"),fn);
return string();
}
-
f.Write(data, strlen(data));
f.Close();
return fn;
// WriteConfig - write out the config data from a debian package file /*{{{*/
// ---------------------------------------------------------------------
/* */
-void WriteConfig(const DebFile &file)
+static void WriteConfig(const DebFile &file)
{
string templatefile = WriteFile(file.Package.c_str(), "template", file.Template);
string configscript = WriteFile(file.Package.c_str(), "config", file.Config);
// InitCache - initialize the package cache /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool Go(CommandLine &CmdL)
+static bool Go(CommandLine &CmdL)
{
// Initialize the apt cache
MMap *Map = 0;
return !_error->PendingError();
}
/*}}}*/
+static std::vector<aptDispatchWithHelp> GetCommands() /*{{{*/
+{
+ return {
+ {nullptr, nullptr, nullptr}
+ };
+}
+ /*}}}*/
int main(int argc, const char **argv) /*{{{*/
{
- CommandLine::Args Args[] = {
- {'h',"help","help",0},
- {'v',"version","version",0},
- {'t',"tempdir","APT::ExtractTemplates::TempDir",CommandLine::HasArg},
- {'c',"config-file",0,CommandLine::ConfigFile},
- {'o',"option",0,CommandLine::ArbItem},
- {0,0,0,0}};
+ CommandLine CmdL;
+ auto const Cmds = ParseCommandLine(CmdL, APT_CMD::APT_EXTRACTTEMPLATES, &_config, &_system, argc, argv, &ShowHelp, &GetCommands);
- // Set up gettext support
- setlocale(LC_ALL,"");
- textdomain(PACKAGE);
-
- // Parse the command line and initialize the package library
- CommandLine CmdL(Args,_config);
- if (pkgInitConfig(*_config) == false ||
- CmdL.Parse(argc,argv) == false ||
- pkgInitSystem(*_config,_system) == false)
- {
- _error->DumpErrors();
- return 100;
- }
-
- // See if the help should be shown
- if (_config->FindB("help") == true ||
- CmdL.FileSize() == 0)
- return ShowHelp();
-
Go(CmdL);
- // Print any errors or warnings found during operation
- if (_error->empty() == false)
- {
- // This goes to stderr..
- bool Errors = _error->PendingError();
- _error->DumpErrors();
- return Errors == true?100:0;
- }
-
- return 0;
+ return DispatchCommandLine(CmdL, {});
}
/*}}}*/
projects / apt.git / blobdiff