Created
October 14, 2013 04:10
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Patch that makes suid binaries possible for App::PAR::Packer (pp), version 1.015 It will not work if you build it with the -c or --clean option when invoking pp. Crypto filters are still in bounds though and work well. My pp helper build script is below. You don't have to use it; it just makes things easier. Substitute filenames as desired. #!/b…
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Binary files PAR-Packer-1.015/a.out and PAR-Packer-1.015-patched-for-suid/a.out differ | |
diff -ruN PAR-Packer-1.015/myldr/boot.c PAR-Packer-1.015-patched-for-suid/myldr/boot.c | |
--- PAR-Packer-1.015/myldr/boot.c 2013-10-13 23:04:49.243648696 -0500 | |
+++ PAR-Packer-1.015-patched-for-suid/myldr/boot.c 2013-10-12 20:18:12.000000000 -0500 | |
@@ -135,7 +135,7 @@ | |
stmpdir = par_mktmpdir( argv ); | |
if ( !stmpdir ) DIE; /* error message has already been printed */ | |
- rc = my_mkdir(stmpdir, 0700); | |
+ rc = my_mkdir(stmpdir, 0777); | |
if ( rc == -1 && errno != EEXIST) { | |
fprintf(stderr, "%s: creation of private cache subdirectory %s failed (errno= %i)\n", | |
argv[0], stmpdir, errno); | |
diff -ruN PAR-Packer-1.015/myldr/internals.c PAR-Packer-1.015-patched-for-suid/myldr/internals.c | |
--- PAR-Packer-1.015/myldr/internals.c 2013-10-13 23:03:44.479650430 -0500 | |
+++ PAR-Packer-1.015-patched-for-suid/myldr/internals.c 2013-10-12 20:17:53.000000000 -0500 | |
@@ -114,7 +114,7 @@ | |
return; | |
#endif | |
} | |
- i = PerlDir_mkdir(stmpdir, 0700); | |
+ i = PerlDir_mkdir(stmpdir, 0777); | |
if ( (i != 0) && (i != EEXIST) && (i != -1) ) { | |
croak("%s: creation of private cache subdirectory %s failed (errno=%i)\n", | |
fakeargv[0], stmpdir, i); | |
diff -ruN PAR-Packer-1.015/myldr/mktmpdir.c PAR-Packer-1.015-patched-for-suid/myldr/mktmpdir.c | |
--- PAR-Packer-1.015/myldr/mktmpdir.c 2013-10-13 23:04:01.619649971 -0500 | |
+++ PAR-Packer-1.015-patched-for-suid/myldr/mktmpdir.c 2013-10-12 20:16:29.000000000 -0500 | |
@@ -44,7 +44,7 @@ | |
return par_lstat(val, &PL_statbuf) == 0 && | |
S_ISDIR(PL_statbuf.st_mode) && | |
PL_statbuf.st_uid == getuid() && | |
- (PL_statbuf.st_mode & 0777) == 0700; | |
+ (PL_statbuf.st_mode & 0777) == 0777; | |
} | |
#endif | |
@@ -182,17 +182,18 @@ | |
_mkdir(top_tmpdir); /* FIXME bail if error (other than EEXIST) */ | |
#else | |
{ | |
- if (mkdir(top_tmpdir, 0700) == -1 && errno != EEXIST) { | |
+ if (mkdir(top_tmpdir, 0777) == -1 && errno != EEXIST) { | |
fprintf(stderr, "%s: creation of private subdirectory %s failed (errno=%i)\n", | |
argv[0], top_tmpdir, errno); | |
return NULL; | |
} | |
- | |
+/* | |
if (!isSafeDir(top_tmpdir)) { | |
fprintf(stderr, "%s: private subdirectory %s is unsafe (please remove it and retry your operation)\n", | |
argv[0], top_tmpdir); | |
return NULL; | |
} | |
+*/ | |
} | |
#endif | |
@@ -282,7 +283,7 @@ | |
a prior invocation crashed leaving garbage in a temp directory that | |
might interfere. */ | |
- while (my_mkdir(stmpdir, 0700) == -1 && errno == EEXIST) { | |
+ while (my_mkdir(stmpdir, 0777) == -1 && errno == EEXIST) { | |
sprintf( | |
stmpdir, | |
"%s%stemp-%u-%u%s", |
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