X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/f034a64a341b844e520473530f92eaedc7696b77..4b10240cca0dc0a4e82e42959545d2ae7e622d29:/cmdline/apt-extracttemplates.cc

diff --git a/cmdline/apt-extracttemplates.cc b/cmdline/apt-extracttemplates.cc
index 700cf1871..a4468b989 100644
--- a/cmdline/apt-extracttemplates.cc
+++ b/cmdline/apt-extracttemplates.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description								/*{{{*/
-// $Id: apt-extracttemplates.cc,v 1.10 2002/02/25 03:52:58 tausq Exp $
+// $Id: apt-extracttemplates.cc,v 1.15 2003/07/26 00:00:11 mdz Exp $
 /* ######################################################################
    
    APT Extract Templates - Program to extract debconf config and template
@@ -13,35 +13,41 @@
    ##################################################################### */
 									/*}}}*/
 // Include Files							/*{{{*/
+#include<config.h>
+
 #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 <fstream>
+#include <stdlib.h>
 
-#include <locale.h>
-#include <config.h>
-#include <apti18n.h>
 #include "apt-extracttemplates.h"
+
+#include <apti18n.h>
 									/*}}}*/
 
-#define TMPDIR		"/tmp"
+using namespace std;
 
 pkgCache *DebFile::Cache = 0;
 
@@ -49,8 +55,8 @@ pkgCache *DebFile::Cache = 0;
 // ---------------------------------------------------------------------
 /* */
 DebFile::DebFile(const char *debfile)
-	: File(debfile, FileFd::ReadOnly), Control(0), DepOp(0), 
-          PreDepOp(0), Config(0), Template(0), Which(None)
+	: File(debfile, FileFd::ReadOnly), Control(NULL), ControlLen(0),
+	  DepOp(0), PreDepOp(0), Config(0), Template(0), Which(None)
 {
 }
 									/*}}}*/
@@ -87,18 +93,9 @@ string DebFile::GetInstalledVer(const string &package)
 /* */
 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);
-	return Tar.Go(*this);
+	debDebFile Deb(File);
+
+	return Deb.ExtractTarMember(*this, "control.tar");
 }
 									/*}}}*/
 // DebFile::DoItem examine element in package and mark			/*{{{*/
@@ -109,10 +106,12 @@ bool DebFile::DoItem(Item &I, int &Fd)
 	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;
 	}
@@ -143,8 +142,8 @@ bool DebFile::DoItem(Item &I, int &Fd)
 // 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)
 	{
@@ -168,9 +167,10 @@ bool DebFile::Process(Item &I, const unsigned char *data,
 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);
@@ -215,49 +215,42 @@ bool DebFile::ParseInfo()
 	return true;
 }
 									/*}}}*/
-// ShowHelp - show a short help text					/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-int ShowHelp(void)
+static bool ShowHelp(CommandLine &)					/*{{{*/
 {
-   	ioprintf(cout,_("%s %s for %s %s compiled on %s %s\n"),PACKAGE,VERSION,
-	    COMMON_OS,COMMON_CPU,__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 arbitary 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 *prefix, const char *data)
+static string WriteFile(const char *package, const char *prefix, const char *data)
 {
 	char fn[512];
-	static int i;
-	snprintf(fn, sizeof(fn), "%s/%s.%u%d", _config->Find("APT::ExtractTemplates::TempDir", TMPDIR).c_str(), 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;
@@ -266,10 +259,10 @@ string WriteFile(const char *prefix, const char *data)
 // 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("template", file.Template);
-	string configscript = WriteFile("config", file.Config);
+	string templatefile = WriteFile(file.Package.c_str(), "template", file.Template);
+	string configscript = WriteFile(file.Package.c_str(), "config", file.Config);
 
 	if (templatefile.empty() == true || configscript.empty() == true)
 		return;
@@ -280,14 +273,15 @@ void WriteConfig(const DebFile &file)
 // InitCache - initialize the package cache				/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool Go(CommandLine &CmdL)
+static bool Go(CommandLine &CmdL)
 {	
 	// Initialize the apt cache
 	MMap *Map = 0;
 	pkgSourceList List;
 	List.ReadMainList();
-	OpProgress Prog;
-	pkgMakeStatusCache(List,Prog,&Map,true);
+	pkgCacheGenerator::MakeStatusCache(List,NULL,&Map,true);
+	if (Map == 0)
+	   return false;
 	DebFile::Cache = new pkgCache(Map);
 	if (_error->PendingError() == true)
 		return false;
@@ -303,8 +297,11 @@ bool Go(CommandLine &CmdL)
 		// Will pick up the errors later..
 		DebFile file(CmdL.FileList[I]);
 		if (file.Go() == false)
-			continue; 
-		
+		{
+		        _error->Error("Prior errors apply to %s",CmdL.FileList[I]);
+			continue;
+		}
+
 		// Does the package have templates?
 		if (file.Template != 0 && file.ParseInfo() == true)
 		{
@@ -333,46 +330,20 @@ bool Go(CommandLine &CmdL)
 	return !_error->PendingError();
 }
 									/*}}}*/
-
-int main(int argc, const char **argv)
+static std::vector<aptDispatchWithHelp> GetCommands()			/*{{{*/
 {
-	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}};
-
-	// Set up gettext support
-	setlocale(LC_ALL,"");
-	textdomain(PACKAGE);
+   return {
+	{nullptr, nullptr, nullptr}
+   };
+}
+									/*}}}*/
+int main(int argc, const char **argv)					/*{{{*/
+{
+	CommandLine CmdL;
+	auto const Cmds = ParseCommandLine(CmdL, APT_CMD::APT_EXTRACTTEMPLATES, &_config, &_system, argc, argv, &ShowHelp, &GetCommands);
 
-	// 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, {});
 }
+									/*}}}*/