-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <unistd.h>
-#define _GNU_SOURCE
-#include <getopt.h>
-#include <wait.h>
-#include <fstream.h>
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+// $Id: apt-extracttemplates.cc,v 1.2 2001/02/25 04:53:59 tausq Exp $
+/* ######################################################################
+
+ APT Extract Templates - Program to extract debconf config and template
+ files
+ This is a simple program to extract config and template information
+ from Debian packages. It can be used to speed up the preconfiguration
+ process for debconf-enabled packages
+
+ ##################################################################### */
+ /*}}}*/
+// Include Files /*{{{*/
#include <apt-pkg/init.h>
#if APT_PKG_MAJOR >= 3
#define APT_COMPATIBILITY 986
#include <apt-pkg/sourcelist.h>
#include <apt-pkg/pkgcachegen.h>
#include <apt-pkg/version.h>
-#include "debfile.h"
+#include <apt-pkg/tagfile.h>
+#include <apt-pkg/extracttar.h>
+#include <apt-pkg/arfile.h>
+#include <apt-pkg/deblistparser.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/strutl.h>
-#define TMPDIR "/var/lib/debconf/"
-#define STR(x) (x ? x : "")
-//#define TMPDIR "tmp/"
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#define _GNU_SOURCE
+#include <getopt.h>
+#include <wait.h>
+#include <fstream.h>
+
+#include <config.h>
+#include <apti18n.h>
+#include "apt-extracttemplates.h"
+
+#define TMPDIR "/var/lib/debconf/"
-void help(void)
+pkgCache *DebFile::Cache = 0;
+
+// DebFile::DebFile - Construct the DebFile object /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+DebFile::DebFile(const char *debfile)
+ : File(debfile, FileFd::ReadOnly), Control(0), DepOp(0), PreDepOp(0),
+ Config(0), Template(0), Which(None)
{
- fprintf(stderr, "apt-extracttemplates deb [deb]\n");
- exit(0);
}
+ /*}}}*/
+// DebFile::~DebFile - Destruct the DebFile object /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+DebFile::~DebFile()
+{
+ delete [] Control;
+ delete [] Config;
+ delete [] Template;
+}
+ /*}}}*/
+// DebFile::GetInstalledVer - Find out the installed version of a pkg /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+char *DebFile::GetInstalledVer(const string &package)
+{
+ char *ver = 0;
+
+ pkgCache::PkgIterator Pkg = Cache->FindPkg(package);
+ if (Pkg.end() == false)
+ {
+ pkgCache::VerIterator V = Pkg.CurrentVer();
+ if (V.end() == false)
+ {
+ ver = strdup(V.VerStr());
+ }
+ }
-char *writefile(const char *prefix, const char *data)
+ return ver;
+}
+ /*}}}*/
+// DebFile::Go - Start extracting a debian package /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool DebFile::Go()
+{
+ ARArchive AR(File);
+ const ARArchive::Member *Member = AR.FindMember("control.tar.gz");
+ if (Member == 0)
+ {
+ fprintf(stderr, _("This is not a valid DEB package.\n"));
+ return false;
+ }
+
+ if (File.Seek(Member->Start) == false)
+ {
+ return false;
+ }
+
+ ExtractTar Tar(File, Member->Size);
+ return Tar.Go(*this);
+}
+ /*}}}*/
+// DebFile::DoItem examine element in package and mark /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+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;
+ Which = IsControl;
+ ControlLen = I.Size;
+ // make it call the Process method below. this is so evil
+ Fd = -2;
+ }
+ else if (strcmp(I.Name, "config") == 0)
+ {
+ delete [] Config;
+ Config = new char[I.Size+1];
+ Config[I.Size] = 0;
+ Which = IsConfig;
+ Fd = -2;
+ }
+ else if (strcmp(I.Name, "templates") == 0)
+ {
+ delete [] Template;
+ Template = new char[I.Size+1];
+ Template[I.Size] = 0;
+ Which = IsTemplate;
+ Fd = -2;
+ }
+ else
+ {
+ Fd = -1;
+ }
+ return true;
+}
+ /*}}}*/
+// DebFile::Process examine element in package and copy /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool DebFile::Process(Item &I, const unsigned char *data,
+ unsigned long size, unsigned long pos)
+{
+ switch (Which)
+ {
+ case IsControl:
+ memcpy(Control + pos, data, size);
+ break;
+ case IsConfig:
+ memcpy(Config + pos, data, size);
+ break;
+ case IsTemplate:
+ memcpy(Template + pos, data, size);
+ break;
+ default: /* throw it away */ ;
+ }
+ return true;
+}
+ /*}}}*/
+// DebFile::ParseInfo - Parse control file for dependency info /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool DebFile::ParseInfo()
+{
+ if (Control == NULL) return false;
+ pkgTagSection Section;
+ Section.Scan(Control, ControlLen);
+
+ Package = Section.FindS("Package");
+ Version = GetInstalledVer(Package);
+
+ const char *Start, *Stop;
+ if (Section.Find("Depends", Start, Stop) == true)
+ {
+ while (1)
+ {
+ string P, V;
+ unsigned int Op;
+ Start = debListParser::ParseDepends(Start, Stop, P, V, Op);
+ if (Start == 0) return false;
+ if (P == "debconf")
+ {
+ DepVer = V;
+ DepOp = Op;
+ break;
+ }
+ if (Start == Stop) break;
+ }
+ }
+
+ if (Section.Find("Pre-Depends", Start, Stop) == true)
+ {
+ while (1)
+ {
+ string P, V;
+ unsigned int Op;
+ Start = debListParser::ParseDepends(Start, Stop, P, V, Op);
+ if (Start == 0) return false;
+ if (P == "debconf")
+ {
+ PreDepVer = V;
+ PreDepOp = Op;
+ break;
+ }
+ if (Start == Stop) break;
+ }
+ }
+
+ return true;
+}
+ /*}}}*/
+// ShowHelp - show a short help text /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void ShowHelp(void)
+{
+ ioprintf(cout,_("%s %s for %s %s compiled on %s %s\n"),PACKAGE,VERSION,
+ COMMON_OS,COMMON_CPU,__DATE__,__TIME__);
+
+ fprintf(stderr,
+ _("Usage: apt-extracttemplates file1 [file2 ...]\n"
+ "\n"
+ "apt-extracttemplates is a tool to extract config and template info\n"
+ "from debian packages\n"));
+ exit(0);
+}
+ /*}}}*/
+// WriteFile - write the contents of the passed string to a file /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+char *WriteFile(const char *prefix, const char *data)
{
char fn[512];
static int i;
snprintf(fn, sizeof(fn), "%s%s.%u%d", TMPDIR, prefix, getpid(), i++);
- if (data == NULL) data = "";
-
ofstream ofs(fn);
if (!ofs) return NULL;
- ofs << data;
+ ofs << (data ? data : "");
ofs.close();
return strdup(fn);
}
-
-void writeconfig(const DebFile &file)
+ /*}}}*/
+// WriteConfig - write out the config data from a debian package file /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void WriteConfig(const DebFile &file)
{
- char *templatefile = writefile("template", file.Template);
- char *configscript = writefile("config", file.Config);
+ char *templatefile = WriteFile("template", file.Template);
+ char *configscript = WriteFile("config", file.Config);
if (templatefile == 0 || configscript == 0)
{
- fprintf(stderr, "Cannot write config script or templates\n");
+ fprintf(stderr, _("Cannot write config script or templates\n"));
return;
}
- printf("%s %s %s %s\n",
- STR(file.Package), // Package
- STR(file.Version), // Version
- templatefile, // Template
- configscript // Config
- );
-}
+ cout << file.Package << " " << file.Version << " "
+ << templatefile << " " << configscript << endl;
-void init(MMap *&Map, pkgCache *&Cache)
+ free(templatefile);
+ free(configscript);
+}
+ /*}}}*/
+// InitCache - initialize the package cache /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+int InitCache(MMap *&Map, pkgCache *&Cache)
{
// Initialize the apt cache
if (pkgInitConfig(*_config) == false || pkgInitSystem(*_config, _system) == false)
{
- fprintf(stderr, "Cannot initialize apt cache\n");
- return;
+ _error->DumpErrors();
+ return -1;
}
pkgSourceList List;
List.ReadMainList();
OpProgress Prog;
pkgMakeStatusCache(List,Prog,&Map,true);
Cache = new pkgCache(Map);
+ return 0;
}
+ /*}}}*/
int main(int argc, char **argv, char **env)
{
MMap *Map = 0;
const char *debconfver = NULL;
- init(Map, DebFile::Cache);
- if (Map == 0 || DebFile::Cache == 0)
+ // Initialize the package cache
+ if (InitCache(Map, DebFile::Cache) < 0 || Map == 0 || DebFile::Cache == 0)
{
- fprintf(stderr, "Cannot initialize APT cache\n");
- return 1;
+ fprintf(stderr, _("Cannot initialize APT cache\n"));
+ return 100;
}
- debconfver = DebFile::GetInstalledVer("debconf");
-
- if (debconfver == NULL)
+ // Find out what version of debconf is currently installed
+ if ((debconfver = DebFile::GetInstalledVer("debconf")) == NULL)
{
- fprintf(stderr, "Cannot get debconf version. Is debconf installed?\n");
+ fprintf(stderr, _("Cannot get debconf version. Is debconf installed?\n"));
return 1;
}
+ // Process each package passsed in
numdebs = argc - 1;
debs = new char *[numdebs];
memcpy(debs, &argv[1], sizeof(char *) * numdebs);
- if (numdebs < 1)
- {
- fprintf(stderr, "apt-extracttemplates foo.deb [...]\n");
- return 0;
- }
+ if (numdebs < 1) ShowHelp();
for (idx = 0; idx < numdebs; idx++)
{
DebFile file(debs[idx]);
if (file.Go() == false)
{
- fprintf(stderr, "Cannot read %s\n", debs[idx]);
+ fprintf(stderr, _("Cannot read %s\n"), debs[idx]);
continue;
}
+ // Does the package have templates?
if (file.Template != 0 && file.ParseInfo() == true)
{
- if (file.DepVer != 0 && *file.DepVer != 0 &&
- pkgCheckDep(file.DepVer,
+ // Check to make sure debconf dependencies are
+ // satisfied
+ if (file.DepVer != "" &&
+ pkgCheckDep(file.DepVer.c_str(),
debconfver, file.DepOp) == false)
continue;
- if (file.PreDepVer != 0 && *file.PreDepVer != 0 &&
- pkgCheckDep(file.PreDepVer,
+ if (file.PreDepVer != "" &&
+ pkgCheckDep(file.PreDepVer.c_str(),
debconfver, file.PreDepOp) == false)
continue;
- writeconfig(file);
+ WriteConfig(file);
}
}
+++ /dev/null
-#include <stdio.h>
-#include <apt-pkg/tagfile.h>
-#include <apt-pkg/extracttar.h>
-#include <apt-pkg/arfile.h>
-#include <apt-pkg/pkgcache.h>
-
-#include "debfile.h"
-
-pkgCache *DebFile::Cache = 0;
-
-DebFile::DebFile(const char *debfile)
- : File(debfile, FileFd::ReadOnly), Control(0), Package(0), Version(0), DepVer(0), PreDepVer(0), DepOp(0), PreDepOp(0), Config(0), Template(0), Which(None)
-{
-}
-
-DebFile::~DebFile()
-{
- delete [] Control;
- delete [] Config;
- delete [] Template;
-}
-
-char *DebFile::GetInstalledVer(const char *package)
-{
- char *ver = 0;
-
- pkgCache::PkgIterator Pkg = Cache->FindPkg(package);
- if (Pkg.end() == false)
- {
- pkgCache::VerIterator V = Pkg.CurrentVer();
- if (V.end() == false)
- {
- ver = strdup(V.VerStr());
- }
- }
-
- return ver;
-}
-
-bool DebFile::Go()
-{
- ARArchive AR(File);
- const ARArchive::Member *Member = AR.FindMember("control.tar.gz");
- if (Member == 0)
- {
- fprintf(stderr, "This is not a valid DEB archive.\n");
- return false;
- }
-
- if (File.Seek(Member->Start) == false)
- {
- return false;
- }
-
- ExtractTar Tar(File, Member->Size);
- return Tar.Go(*this);
-}
-
-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;
- Which = IsControl;
- ControlLen = I.Size;
- // make it call the Process method below. this is so evil
- Fd = -2;
- }
- else if (strcmp(I.Name, "config") == 0)
- {
- delete [] Config;
- Config = new char[I.Size+1];
- Config[I.Size] = 0;
- Which = IsConfig;
- Fd = -2;
- }
- else if (strcmp(I.Name, "templates") == 0)
- {
- delete [] Template;
- Template = new char[I.Size+1];
- Template[I.Size] = 0;
- Which = IsTemplate;
- Fd = -2;
- }
- else
- {
- Fd = -1;
- }
- return true;
-}
-
-bool DebFile::Process(Item &I, const unsigned char *data,
- unsigned long size, unsigned long pos)
-{
- switch (Which)
- {
- case IsControl:
- memcpy(Control + pos, data, size);
- break;
- case IsConfig:
- memcpy(Config + pos, data, size);
- break;
- case IsTemplate:
- memcpy(Template + pos, data, size);
- break;
- default: /* throw it away */ ;
- }
- return true;
-}
-
-bool DebFile::ParseInfo()
-{
- if (Control == NULL) return false;
- pkgTagSection Section;
- Section.Scan(Control, ControlLen);
-
- const char *pkgtmp = Section.FindS("Package").c_str();
- Package = CopyString(pkgtmp, strlen(pkgtmp));
- Version = GetInstalledVer(Package);
-
- const char *Start, *Stop;
- if (Section.Find("Depends", Start, Stop) == true)
- {
- while (1)
- {
- char *P = 0, *V = 0;
- unsigned int Op;
- Start = ParseDepends(Start, Stop, P, V, Op);
- if (Start == 0) return false;
- if (strcmp(P, "debconf") == 0)
- {
- DepVer = V;
- DepOp = Op;
- delete[] P;
- break;
- }
- else
- {
- delete[] P;
- delete[] V;
- }
- if (Start == Stop) break;
- }
- }
-
- if (Section.Find("Pre-Depends", Start, Stop) == true)
- {
- while (1)
- {
- char *P = 0, *V = 0;
- unsigned int Op;
- Start = ParseDepends(Start, Stop, P, V, Op);
- if (Start == 0) return false;
- if (strcmp(P, "debconf") == 0)
- {
- PreDepVer = V;
- PreDepOp = Op;
- delete[] P;
- break;
- }
- else
- {
- delete[] P;
- delete[] V;
- }
- if (Start == Stop) break;
- }
- }
-
- return true;
-}
-
-char *DebFile::CopyString(const char *start, unsigned int len)
-{
- char *s = new char[len + 1];
- s[len] = 0;
- memcpy(s, start, len);
- return s;
-}
-
-const char *DebFile::ParseDepends(const char *Start,const char *Stop,
- char *&Package, char *&Ver,
- unsigned int &Op)
-{
- // Strip off leading space
- for (;Start != Stop && isspace(*Start) != 0; Start++);
-
- // Parse off the package name
- const char *I = Start;
- for (;I != Stop && isspace(*I) == 0 && *I != '(' && *I != ')' &&
- *I != ',' && *I != '|'; I++);
-
- // Malformed, no '('
- if (I != Stop && *I == ')')
- return 0;
-
- if (I == Start)
- return 0;
-
- // Stash the package name
- Package = CopyString(Start, I - Start);
-
- // Skip white space to the '('
- for (;I != Stop && isspace(*I) != 0 ; I++);
-
- // Parse a version
- if (I != Stop && *I == '(')
- {
- // Skip the '('
- for (I++; I != Stop && isspace(*I) != 0 ; I++);
- if (I + 3 >= Stop)
- return 0;
-
- // Determine the operator
- switch (*I)
- {
- case '<':
- I++;
- if (*I == '=')
- {
- I++;
- Op = pkgCache::Dep::LessEq;
- break;
- }
-
- if (*I == '<')
- {
- I++;
- Op = pkgCache::Dep::Less;
- break;
- }
-
- // < is the same as <= and << is really Cs < for some reason
- Op = pkgCache::Dep::LessEq;
- break;
-
- case '>':
- I++;
- if (*I == '=')
- {
- I++;
- Op = pkgCache::Dep::GreaterEq;
- break;
- }
-
- if (*I == '>')
- {
- I++;
- Op = pkgCache::Dep::Greater;
- break;
- }
-
- // > is the same as >= and >> is really Cs > for some reason
- Op = pkgCache::Dep::GreaterEq;
- break;
-
- case '=':
- Op = pkgCache::Dep::Equals;
- I++;
- break;
-
- // HACK around bad package definitions
- default:
- Op = pkgCache::Dep::Equals;
- break;
- }
-
- // Skip whitespace
- for (;I != Stop && isspace(*I) != 0; I++);
- Start = I;
- for (;I != Stop && *I != ')'; I++);
- if (I == Stop || Start == I)
- return 0;
-
- // Skip trailing whitespace
- const char *End = I;
- for (; End > Start && isspace(End[-1]); End--);
-
- Ver = CopyString(Start, End - Start);
- I++;
- }
- else
- {
- Ver = CopyString("", 0);
- Op = pkgCache::Dep::NoOp;
- }
-
- // Skip whitespace
- for (;I != Stop && isspace(*I) != 0; I++);
-
- if (I != Stop && *I == '|')
- Op |= pkgCache::Dep::Or;
-
- if (I == Stop || *I == ',' || *I == '|')
- {
- if (I != Stop)
- for (I++; I != Stop && isspace(*I) != 0; I++);
- return I;
- }
-
- return 0;
-}
HCoop / ntk / apt.git / commitdiff