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upx/src/help.cpp

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/* help.cpp --
This file is part of the UPX executable compressor.
Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
Copyright (C) 1996-2023 Laszlo Molnar
All Rights Reserved.
UPX and the UCL library are free software; you can redistribute them
and/or modify them under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of
the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING.
If not, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Markus F.X.J. Oberhumer Laszlo Molnar
<markus@oberhumer.com> <ezerotven+github@gmail.com>
*/
#include "conf.h"
#include "compress.h"
#include "packmast.h"
#include "packer.h"
/*************************************************************************
//
**************************************************************************/
static bool head_done = 0;
// also see UPX_CONFIG_DISABLE_GITREV in CMakeLists.txt
#if defined(UPX_VERSION_GITREV)
const char gitrev[] = UPX_VERSION_GITREV;
#else
const char gitrev[1] = { 0 };
#endif
void show_head(void)
{
FILE *f = con_term;
int fg;
if (head_done)
return;
head_done = 1;
fg = con_fg(f,FG_GREEN);
con_fprintf(f,
" Ultimate Packer for eXecutables\n"
" Copyright (C) 1996 - " UPX_VERSION_YEAR "\n"
#if defined(UPX_VERSION_GITREV)
"UPX git-%6.6s%c"
#else
"UPX %-11s"
#endif
" Markus Oberhumer, Laszlo Molnar & John Reiser %14s\n\n",
#if defined(UPX_VERSION_GITREV)
gitrev,
(sizeof(gitrev)-1 > 6 && gitrev[sizeof(gitrev)-2] == '+') ? '+' : ' ',
#else
UPX_VERSION_STRING,
#endif
UPX_VERSION_DATE);
fg = con_fg(f,fg);
#undef V
UNUSED(fg);
}
/*************************************************************************
//
**************************************************************************/
void show_usage(void)
{
FILE *f = con_term;
con_fprintf(f,"Usage: %s [-123456789dlthVL] [-qvfk] [-o file] %sfile..\n", progname,
#if (ACC_OS_DOS32) && defined(__DJGPP__)
"[@]");
#else
"");
#endif
}
/*************************************************************************
//
**************************************************************************/
struct PackerNames
{
struct Entry {
const char* fname;
const char* sname;
};
Entry names[64];
size_t names_count;
const options_t *o;
PackerNames() : names_count(0), o(nullptr) { }
void add(const Packer *p)
{
p->assertPacker();
assert(names_count < 64);
names[names_count].fname = p->getFullName(o);
names[names_count].sname = p->getName();
names_count++;
}
static Packer* visit(Packer *p, void *user)
{
PackerNames *self = (PackerNames *) user;
self->add(p);
delete p; p = nullptr;
return nullptr;
}
static int __acc_cdecl_qsort cmp_fname(const void *a, const void *b) {
return strcmp(((const Entry *) a)->fname, ((const Entry *) b)->fname);
}
static int __acc_cdecl_qsort cmp_sname(const void *a, const void *b) {
return strcmp(((const Entry *) a)->sname, ((const Entry *) b)->sname);
}
};
static void show_all_packers(FILE *f, int verbose)
{
options_t o; o.reset();
PackerNames pn; pn.o = &o;
PackMaster::visitAllPackers(PackerNames::visit, nullptr, &o, &pn);
qsort(pn.names, pn.names_count, sizeof(PackerNames::Entry), PackerNames::cmp_fname);
size_t pos = 0;
for (size_t i = 0; i < pn.names_count; ++i)
{
const char *fn = pn.names[i].fname;
const char *sn = pn.names[i].sname;
if (verbose > 0)
{
con_fprintf(f, " %-36s %s\n", fn, sn);
}
else
{
size_t fl = strlen(fn);
if (pos == 0) {
con_fprintf(f, " %s", fn);
pos = 2 + fl;
} else if (pos + 1 + fl > 80) {
con_fprintf(f, "\n %s", fn);
pos = 2 + fl;
} else {
con_fprintf(f, " %s", fn);
pos += 1 + fl;
}
}
}
if (verbose <= 0 && pn.names_count)
con_fprintf(f, "\n");
}
/*************************************************************************
//
**************************************************************************/
void show_help(int verbose)
{
FILE *f = con_term;
int fg;
show_head();
show_usage();
fg = con_fg(f,FG_YELLOW);
con_fprintf(f,"\nCommands:\n");
fg = con_fg(f,fg);
con_fprintf(f,
" -1 compress faster -9 compress better\n"
"%s"
" -d decompress -l list compressed file\n"
" -t test compressed file -V display version number\n"
" -h give %s help -L display software license\n%s",
verbose == 0 ? "" : " --best compress best (can be slow for big files)\n",
verbose == 0 ? "more" : "this", verbose == 0 ? "" : "\n");
fg = con_fg(f,FG_YELLOW);
con_fprintf(f,"Options:\n");
fg = con_fg(f,fg);
con_fprintf(f,
" -q be quiet -v be verbose\n"
" -oFILE write output to 'FILE'\n"
//" -f force overwrite of output files and compression of suspicious files\n"
" -f force compression of suspicious files\n"
"%s%s"
, (verbose == 0) ? " -k keep backup files\n" : ""
#if 1
, (verbose > 0) ? " --no-color, --mono, --color, --no-progress change look\n" : ""
#else
, ""
#endif
);
if (verbose > 0)
{
fg = con_fg(f,FG_YELLOW);
con_fprintf(f,"\nCompression tuning options:\n");
fg = con_fg(f,fg);
con_fprintf(f,
" --lzma try LZMA [slower but tighter than NRV]\n"
" --brute try all available compression methods & filters [slow]\n"
" --ultra-brute try even more compression variants [very slow]\n"
"\n");
fg = con_fg(f,FG_YELLOW);
con_fprintf(f,"Backup options:\n");
fg = con_fg(f,fg);
con_fprintf(f,
" -k, --backup keep backup files\n"
" --no-backup no backup files [default]\n"
"\n");
fg = con_fg(f,FG_YELLOW);
con_fprintf(f,"Overlay options:\n");
fg = con_fg(f,fg);
con_fprintf(f,
" --overlay=copy copy any extra data attached to the file [default]\n"
" --overlay=strip strip any extra data attached to the file [DANGEROUS]\n"
" --overlay=skip don't compress a file with an overlay\n"
"\n");
fg = con_fg(f,FG_YELLOW);
con_fprintf(f,"Options for djgpp2/coff:\n");
fg = con_fg(f,fg);
con_fprintf(f,
" --coff produce COFF output [default: EXE]\n"
"\n");
fg = con_fg(f,FG_YELLOW);
con_fprintf(f,"Options for dos/com:\n");
fg = con_fg(f,fg);
con_fprintf(f,
" --8086 make compressed com work on any 8086\n"
"\n");
fg = con_fg(f,FG_YELLOW);
con_fprintf(f,"Options for dos/exe:\n");
fg = con_fg(f,fg);
con_fprintf(f,
" --8086 make compressed exe work on any 8086\n"
" --no-reloc put no relocations in to the exe header\n"
"\n");
fg = con_fg(f,FG_YELLOW);
con_fprintf(f,"Options for dos/sys:\n");
fg = con_fg(f,fg);
con_fprintf(f,
" --8086 make compressed sys work on any 8086\n"
"\n");
fg = con_fg(f,FG_YELLOW);
con_fprintf(f,"Options for ps1/exe:\n");
fg = con_fg(f,fg);
con_fprintf(f,
" --8-bit uses 8 bit size compression [default: 32 bit]\n"
" --8mib-ram 8 megabyte memory limit [default: 2 MiB]\n"
" --boot-only disables client/host transfer compatibility\n"
" --no-align don't align to 2048 bytes [enables: --console-run]\n"
"\n");
fg = con_fg(f,FG_YELLOW);
con_fprintf(f,"Options for watcom/le:\n");
fg = con_fg(f,fg);
con_fprintf(f,
" --le produce LE output [default: EXE]\n"
"\n");
fg = con_fg(f,FG_YELLOW);
con_fprintf(f,"Options for win32/pe, win64/pe, rtm32/pe & arm/pe:\n");
fg = con_fg(f,fg);
con_fprintf(f,
" --compress-exports=0 do not compress the export section\n"
" --compress-exports=1 compress the export section [default]\n"
" --compress-icons=0 do not compress any icons\n"
" --compress-icons=1 compress all but the first icon\n"
" --compress-icons=2 compress all but the first icon directory [default]\n"
" --compress-icons=3 compress all icons\n"
" --compress-resources=0 do not compress any resources at all\n"
" --keep-resource=list do not compress resources specified by list\n"
" --strip-relocs=0 do not strip relocations\n"
" --strip-relocs=1 strip relocations [default]\n"
"\n");
fg = con_fg(f,FG_YELLOW);
con_fprintf(f,"Options for linux/elf:\n");
fg = con_fg(f,fg);
con_fprintf(f,
" --preserve-build-id copy .gnu.note.build-id to compressed output\n"
"\n");
}
con_fprintf(f, "file.. executables to (de)compress\n");
if (verbose > 0)
{
fg = con_fg(f,FG_YELLOW);
con_fprintf(f,"\nThis version supports:\n");
fg = con_fg(f,fg);
show_all_packers(f, verbose);
}
else
{
con_fprintf(f,"\nType '%s --help' for more detailed help.\n", progname);
}
con_fprintf(f,"\nUPX comes with ABSOLUTELY NO WARRANTY; for details visit https://upx.github.io\n"
// "\nUPX comes with ABSOLUTELY NO WARRANTY; for details type 'upx -L'.\n"
"");
#if DEBUG || TESTING
fg = con_fg(f,FG_RED);
con_fprintf(f,"\nWARNING: this version is compiled with"
#if DEBUG
" -DDEBUG"
#endif
#if TESTING
" -DTESTING"
#endif
"\n");
fg = con_fg(f,fg);
#endif
UNUSED(fg);
}
/*************************************************************************
//
**************************************************************************/
void show_license(void)
{
FILE *f = con_term;
show_head();
con_fprintf(f,
" This program may be used freely, and you are welcome to\n"
" redistribute it under certain conditions.\n"
"\n"
" This program is distributed in the hope that it will be useful,\n"
" but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
" UPX License Agreements for more details.\n"
"\n"
" You should have received a copy of the UPX License Agreements\n"
" along with this program; see the files COPYING and LICENSE.\n"
" If not, visit one of the following pages:\n"
"\n"
);
int fg = con_fg(f,FG_CYAN);
con_fprintf(f,
" https://upx.github.io\n"
" https://www.oberhumer.com/opensource/upx/\n"
);
(void)con_fg(f,FG_ORANGE);
con_fprintf(f,
"\n"
" Markus F.X.J. Oberhumer Laszlo Molnar\n"
" <markus@oberhumer.com> <ezerotven+github@gmail.com>\n"
);
fg = con_fg(f,fg);
UNUSED(fg);
}
/*************************************************************************
//
**************************************************************************/
void show_version(bool one_line)
{
FILE *fp = stdout;
const char *v;
#if defined(UPX_VERSION_GIT_DESCRIBE)
fprintf(fp, "upx %s\n", UPX_VERSION_GIT_DESCRIBE);
#elif defined(UPX_VERSION_GITREV)
fprintf(fp, "upx %s\n", UPX_VERSION_STRING "-git-" UPX_VERSION_GITREV);
#else
fprintf(fp, "upx %s\n", UPX_VERSION_STRING);
#endif
if (one_line)
return;
#if (WITH_NRV)
v = upx_nrv_version_string();
if (v != nullptr && v[0])
fprintf(fp, "NRV data compression library %s\n", v);
#endif
#if (WITH_UCL)
v = upx_ucl_version_string();
if (v != nullptr && v[0])
fprintf(fp, "UCL data compression library %s\n", v);
#endif
#if (WITH_ZLIB)
v = upx_zlib_version_string();
if (v != nullptr && v[0])
fprintf(fp, "zlib data compression library %s\n", v);
#endif
#if (WITH_LZMA)
v = upx_lzma_version_string();
if (v != nullptr && v[0])
fprintf(fp, "LZMA SDK version %s\n", v);
#endif
#if (WITH_ZSTD)
v = upx_zstd_version_string();
if (v != nullptr && v[0])
fprintf(fp, "zstd data compression library %s\n", v);
#endif
#if !defined(DOCTEST_CONFIG_DISABLE)
fprintf(fp, "doctest C++ testing framework version %s\n", DOCTEST_VERSION_STR);
#endif
fprintf(fp, "Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer\n");
fprintf(fp, "Copyright (C) 1996-2023 Laszlo Molnar\n");
fprintf(fp, "Copyright (C) 2000-2023 John F. Reiser\n");
fprintf(fp, "Copyright (C) 2002-2023 Jens Medoch\n");
#if (WITH_ZLIB)
fprintf(fp, "Copyright (C) 1995" "-2022 Jean-loup Gailly and Mark Adler\n");
#endif
#if (WITH_LZMA)
fprintf(fp, "Copyright (C) 1999" "-2006 Igor Pavlov\n");
#endif
#if (WITH_ZSTD)
// see vendor/zstd/LICENSE; main author is Yann Collet
fprintf(fp, "Copyright (C) 2015" "-2023 Meta Platforms, Inc. and affiliates\n");
#endif
#if !defined(DOCTEST_CONFIG_DISABLE)
fprintf(fp, "Copyright (C) 2016" "-2021 Viktor Kirilov\n");
#endif
fprintf(fp, "UPX comes with ABSOLUTELY NO WARRANTY; for details type '%s -L'.\n", progname);
}
/* vim:set ts=4 sw=4 et: */
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