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CMake/Source/CPack/cmCPackDebGenerator.cxx

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/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#include "cmCPackDebGenerator.h"
#include "cmSystemTools.h"
#include "cmMakefile.h"
#include "cmGeneratedFileStream.h"
#include "cmCPackLog.h"
#include <cmsys/SystemTools.hxx>
#include <cmsys/Glob.hxx>
// NOTE:
// A debian package .deb is simply an 'ar' archive. The only subtle difference
// is that debian uses the BSD ar style archive whereas most Linux distro have
// a GNU ar.
// See http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=161593 for more info
// Therefore we provide our own implementation of a BSD-ar:
static int ar_append(const char*archive,const std::vector<std::string>& files);
//----------------------------------------------------------------------
cmCPackDebGenerator::cmCPackDebGenerator()
{
}
//----------------------------------------------------------------------
cmCPackDebGenerator::~cmCPackDebGenerator()
{
}
//----------------------------------------------------------------------
int cmCPackDebGenerator::CompressFiles(const char* outFileName,
const char* toplevel,
const std::vector<std::string>& files)
{
this->ReadListFile("CPackDeb.cmake");
const char* cmakeExecutable = this->GetOption("CMAKE_COMMAND");
// debian-binary file
std::string dbfilename;
dbfilename = toplevel;
dbfilename += "/debian-binary";
{ // the scope is needed for cmGeneratedFileStream
cmGeneratedFileStream out(dbfilename.c_str());
out << "2.0";
out << std::endl; // required for valid debian package
}
// control file
std::string ctlfilename;
ctlfilename = toplevel;
ctlfilename += "/control";
// debian policy enforce lower case for package name
// mandatory entries:
std::string debian_pkg_name =
cmsys::SystemTools::LowerCase( this->GetOption("DEBIAN_PACKAGE_NAME") );
const char* debian_pkg_version = this->GetOption("DEBIAN_PACKAGE_VERSION");
const char* debian_pkg_section = this->GetOption("DEBIAN_PACKAGE_SECTION");
const char* debian_pkg_priority = this->GetOption("DEBIAN_PACKAGE_PRIORITY");
const char* debian_pkg_arch = this->GetOption("DEBIAN_PACKAGE_ARCHITECTURE");
const char* maintainer = this->GetOption("DEBIAN_PACKAGE_MAINTAINER");
const char* desc = this->GetOption("DEBIAN_PACKAGE_DESCRIPTION");
// optional entries
const char* debian_pkg_dep = this->GetOption("DEBIAN_PACKAGE_DEPENDS");
const char* debian_pkg_rec = this->GetOption("DEBIAN_PACKAGE_RECOMMENDS");
const char* debian_pkg_sug = this->GetOption("DEBIAN_PACKAGE_SUGGESTS");
{ // the scope is needed for cmGeneratedFileStream
cmGeneratedFileStream out(ctlfilename.c_str());
out << "Package: " << debian_pkg_name << "\n";
out << "Version: " << debian_pkg_version << "\n";
out << "Section: " << debian_pkg_section << "\n";
out << "Priority: " << debian_pkg_priority << "\n";
out << "Architecture: " << debian_pkg_arch << "\n";
if(debian_pkg_dep)
{
out << "Depends: " << debian_pkg_dep << "\n";
}
if(debian_pkg_rec)
{
out << "Recommends: " << debian_pkg_rec << "\n";
}
if(debian_pkg_sug)
{
out << "Suggests: " << debian_pkg_sug << "\n";
}
out << "Maintainer: " << maintainer << "\n";
out << "Description: " << desc << "\n";
out << std::endl;
}
std::string cmd = cmakeExecutable;
cmd += " -E tar cfz data.tar.gz ./usr";
std::string output;
int retVal = -1;
int res = cmSystemTools::RunSingleCommand(cmd.c_str(), &output,
&retVal, toplevel, this->GeneratorVerbose, 0);
if ( !res || retVal )
{
std::string tmpFile = this->GetOption("CPACK_TOPLEVEL_DIRECTORY");
tmpFile += "/Deb.log";
cmGeneratedFileStream ofs(tmpFile.c_str());
ofs << "# Run command: " << cmd.c_str() << std::endl
<< "# Working directory: " << toplevel << std::endl
<< "# Output:" << std::endl
<< output.c_str() << std::endl;
cmCPackLogger(cmCPackLog::LOG_ERROR, "Problem running tar command: "
<< cmd.c_str() << std::endl
<< "Please check " << tmpFile.c_str() << " for errors" << std::endl);
return 0;
}
std::string md5filename;
md5filename = toplevel;
md5filename += "/md5sums";
{ // the scope is needed for cmGeneratedFileStream
cmGeneratedFileStream out(md5filename.c_str());
std::vector<std::string>::const_iterator fileIt;
std::string topLevelWithTrailingSlash = toplevel;
topLevelWithTrailingSlash += '/';
for ( fileIt = files.begin(); fileIt != files.end(); ++ fileIt )
{
cmd = cmakeExecutable;
cmd += " -E md5sum \"";
cmd += *fileIt;
cmd += "\"";
//std::string output;
//int retVal = -1;
res = cmSystemTools::RunSingleCommand(cmd.c_str(), &output,
&retVal, toplevel, this->GeneratorVerbose, 0);
// debian md5sums entries are like this:
// 014f3604694729f3bf19263bac599765 usr/bin/ccmake
// thus strip the full path (with the trailing slash)
cmSystemTools::ReplaceString(output,
topLevelWithTrailingSlash.c_str(), "");
out << output;
}
// each line contains a eol.
// Do not end the md5sum file with yet another (invalid)
}
cmd = cmakeExecutable;
cmd += " -E tar cfz control.tar.gz ./control ./md5sums";
res = cmSystemTools::RunSingleCommand(cmd.c_str(), &output,
&retVal, toplevel, this->GeneratorVerbose, 0);
if ( !res || retVal )
{
std::string tmpFile = this->GetOption("CPACK_TOPLEVEL_DIRECTORY");
tmpFile += "/Deb.log";
cmGeneratedFileStream ofs(tmpFile.c_str());
ofs << "# Run command: " << cmd.c_str() << std::endl
<< "# Working directory: " << toplevel << std::endl
<< "# Output:" << std::endl
<< output.c_str() << std::endl;
cmCPackLogger(cmCPackLog::LOG_ERROR, "Problem running tar command: "
<< cmd.c_str() << std::endl
<< "Please check " << tmpFile.c_str() << " for errors" << std::endl);
return 0;
}
// ar -r your-package-name.deb debian-binary control.tar.gz data.tar.gz
// since debian packages require BSD ar (most Linux distros and even
// FreeBSD and NetBSD ship GNU ar) we use a copy of OpenBSD ar here.
std::vector<std::string> arFiles;
std::string topLevelString = toplevel;
topLevelString += "/";
arFiles.push_back(topLevelString + "debian-binary");
arFiles.push_back(topLevelString + "control.tar.gz");
arFiles.push_back(topLevelString + "data.tar.gz");
res = ar_append(outFileName, arFiles);
if ( res!=0 )
{
std::string tmpFile = this->GetOption("CPACK_TOPLEVEL_DIRECTORY");
tmpFile += "/Deb.log";
cmGeneratedFileStream ofs(tmpFile.c_str());
ofs << "# Problem creating archive using: " << res << std::endl;
return 0;
}
return 1;
}
// The following code is taken from OpenBSD ar:
// http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ar/
// It has been slightly modified:
// -return error codes instead exit() in functions
// -use the stdio file I/O functions instead the file descriptor based ones
// -merged into one cxx file
// -no additional options supported
// The coding style hasn't been modified.
/*-
* Copyright (c) 1990, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Hugh Smith at The University of Guelph.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#define ARMAG "!<arch>\n" /* ar "magic number" */
#define SARMAG 8 /* strlen(ARMAG); */
#define AR_EFMT1 "#1/" /* extended format #1 */
#define ARFMAG "`\n"
/* Header format strings. */
#define HDR1 "%s%-13d%-12ld%-6u%-6u%-8o%-10qd%2s"
#define HDR2 "%-16.16s%-12ld%-6u%-6u%-8o%-10qd%2s"
struct ar_hdr {
char ar_name[16]; /* name */
char ar_date[12]; /* modification time */
char ar_uid[6]; /* user id */
char ar_gid[6]; /* group id */
char ar_mode[8]; /* octal file permissions */
char ar_size[10]; /* size in bytes */
char ar_fmag[2]; /* consistency check */
};
/* Set up file copy. */
#define SETCF(from, fromname, to, toname, pad) { \
cf.rFile = from; \
cf.rname = fromname; \
cf.wFile = to; \
cf.wname = toname; \
cf.flags = pad; \
}
/* File copy structure. */
typedef struct {
FILE* rFile; /* read file descriptor */
const char *rname; /* read name */
FILE* wFile; /* write file descriptor */
const char *wname; /* write name */
#define NOPAD 0x00 /* don't pad */
#define WPAD 0x02 /* pad on writes */
unsigned int flags; /* pad flags */
} CF;
/* misc.c */
static const char * ar_rname(const char *path)
{
const char *ind = strrchr(path, '/');
return (ind ) ? ind + 1 : path;
}
/* archive.c */
typedef struct ar_hdr HDR;
static char ar_hb[sizeof(HDR) + 1]; /* real header */
static int ar_already_written;
/* copy_ar --
* Copy size bytes from one file to another - taking care to handle the
* extra byte (for odd size files) when reading archives and writing an
* extra byte if necessary when adding files to archive. The length of
* the object is the long name plus the object itself; the variable
* already_written gets set if a long name was written.
*
* The padding is really unnecessary, and is almost certainly a remnant
* of early archive formats where the header included binary data which
* a PDP-11 required to start on an even byte boundary. (Or, perhaps,
* because 16-bit word addressed copies were faster?) Anyhow, it should
* have been ripped out long ago.
*/
static int copy_ar(CF *cfp, off_t size)
{
static char pad = '\n';
off_t sz = size;
int nr, nw;
char buf[8*1024];
if (sz == 0)
return 0;
FILE* from = cfp->rFile;
FILE* to = cfp->wFile;
while (sz &&
(nr = fread(buf, 1, sz < off_t(sizeof(buf)) ? sz : sizeof(buf), from ))
> 0) {
sz -= nr;
for (int off = 0; off < nr; nr -= off, off += nw)
if ((nw = fwrite(buf + off, 1, nr, to)) < 0)
return -1;
}
if (sz)
return -2;
if (cfp->flags & WPAD && (size + ar_already_written) & 1
&& fwrite(&pad, 1, 1, to) != 1)
return -4;
return 0;
}
/* put_arobj -- Write an archive member to a file. */
static int put_arobj(CF *cfp, struct stat *sb)
{
int result = 0;
struct ar_hdr *hdr;
/* If passed an sb structure, reading a file from disk. Get stat(2)
* information, build a name and construct a header. (Files are named
* by their last component in the archive.) */
const char* name = ar_rname(cfp->rname);
(void)stat(cfp->rname, sb);
/* If not truncating names and the name is too long or contains
* a space, use extended format 1. */
unsigned int lname = strlen(name);
uid_t uid = sb->st_uid;
gid_t gid = sb->st_gid;
if (uid > USHRT_MAX) {
uid = USHRT_MAX;
}
if (gid > USHRT_MAX) {
gid = USHRT_MAX;
}
if (lname > sizeof(hdr->ar_name) || strchr(name, ' '))
(void)sprintf(ar_hb, HDR1, AR_EFMT1, lname,
(long int)sb->st_mtime, uid, gid, sb->st_mode,
(long long)sb->st_size + lname, ARFMAG);
else {
lname = 0;
(void)sprintf(ar_hb, HDR2, name,
(long int)sb->st_mtime, uid, gid, sb->st_mode,
(long long)sb->st_size, ARFMAG);
}
off_t size = sb->st_size;
if (fwrite(ar_hb, 1, sizeof(HDR), cfp->wFile) != sizeof(HDR))
return -1;
if (lname) {
if (fwrite(name, 1, lname, cfp->wFile) != lname)
return -2;
ar_already_written = lname;
}
result = copy_ar(cfp, size);
ar_already_written = 0;
return result;
}
/* append.c */
/* append --
* Append files to the archive - modifies original archive or creates
* a new archive if named archive does not exist.
*/
static int ar_append(const char* archive,const std::vector<std::string>& files)
{
int eval = 0;
FILE* aFile = fopen(archive, "wb+");
if (aFile!=NULL) {
fwrite(ARMAG, SARMAG, 1, aFile);
if (fseek(aFile, (off_t)0, SEEK_END) != (off_t)-1) {
CF cf;
struct stat sb;
/* Read from disk, write to an archive; pad on write. */
SETCF(NULL, 0, aFile, archive, WPAD);
for(std::vector<std::string>::const_iterator fileIt = files.begin();
fileIt!=files.end(); ++fileIt) {
const char* filename = fileIt->c_str();
FILE* file = fopen(filename, "rb");
if (file == NULL) {
eval = -1;
continue;
}
cf.rFile = file;
cf.rname = filename;
int result = put_arobj(&cf, &sb);
(void)fclose(file);
if (result!=0) {
eval = -2;
break;
}
}
}
else {
eval = -3;
}
fclose(aFile);
}
else {
eval = -4;
}
return eval;
}
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