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Option --assume-execute-permission

Browse Source 
modified:   main.cpp
	modified:   options.h
	modified:   p_unix.cpp
https://github.com/upx/upx/issues/256
This commit is contained in:
John Reiser 2019-03-31 10:25:06 -07:00
parent 47ddace96a
commit 4484acf9d6
3 changed files with 7 additions and 3 deletions
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4
src/main.cpp
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@ -872,6 +872,9 @@ static int do_option(int optc, const char *arg)
case 677:
opt->o_unix.force_pie = true;
break;
case 678:
opt->o_unix.assume_execute_permission = true;
break;
case '\0':
return -1;
@ -1024,6 +1027,7 @@ static const struct mfx_option longopts[] =
{"preserve-build-id", 0, 0, 675},
{"android-shlib", 0, 0, 676},
{"force-pie", 0, 0, 677},
{"assume-execute-permission", 0, 0, 678},
// watcom/le
{"le", 0x10, 0, 620}, // produce LE output
// win32/pe

1
src/options.h
View File

@ -148,6 +148,7 @@ struct options_t {
bool preserve_build_id; // copy the build-id to the compressed binary
bool android_shlib; // keep some ElfXX_Shdr for dlopen()
bool force_pie; // choose DF_1_PIE instead of is_shlib
bool assume_execute_permission; // do not check .st_mode for S_IXUSR
} o_unix;
struct {
bool le;

5
src/p_unix.cpp
View File

@ -63,11 +63,10 @@ bool PackUnix::canPack()
if (exetype == 0)
return false;
#if defined(__unix__) && !defined(__MSYS2__)
// must be executable by owner
if ((fi->st.st_mode & S_IXUSR) == 0)
if (!opt->o_unix.assume_execute_permission // benefits __MSYS2__
&& (fi->st.st_mode & S_IXUSR) == 0)
throwCantPack("file not executable; try 'chmod +x'");
#endif
if (file_size < 4096)
throwCantPack("file is too small");