Date: Thu, 28 Feb 2013 20:59:43 +0100 From: magnum <john.magnum@...hmail.com> To: john-users@...ts.openwall.com Subject: Re: Fuzzing with regular expressions On 28 Feb, 2013, at 19:55 , magnum <john.magnum@...hmail.com> wrote: > On 28 Feb, 2013, at 13:37 , Jan Starke <jan.starke@...ofbed.org> wrote: > >> I fixed the version detection of bison and flex, so that e.g. a >> version 2.7 will also match. >> >> I also tried to compile the code with clang (I only have 3.0), which >> failed (with segmentation fault of clang). This evening I'll try to >> install clang 3.3, which should have full support for C++11, which I >> need for deque::cbegin() and deque::cend(), beyond others. You can set >> CXX=g++ to circumvent this, so far... > > Ah, I did not notice that CXX was still wrong. With that fixed and latest updates everything works as it should except I miss some lua library on OSX at final linking (not likely your fault at all). On Linux it builds fine. I turns out I do not miss the libs on OSX, they are located in /usr/local/lib. I don't know cmake well but I think it is supposed to find stuff automatically as you're using find_library to find lua5.2. But it ends like this: Linking CXX shared library librexgen-0.1.0.dylib ld: library not found for -llua5.2 collect2: error: ld returned 1 exit status make: *** [librexgen/librexgen-0.1.0.dylib] Error 1 make: *** [librexgen/CMakeFiles/rexgen-0.1.0.dir/all] Error 2 make: *** [all] Error 2 $ file -L /usr/local/lib/liblua.5.2.dylib /usr/local/lib/liblua.5.2.dylib: Mach-O 64-bit dynamically linked shared library x86_64 No wait, there is an extra dot there... so I did this: $ ln -s liblua.5.2.dylib /usr/local/lib/liblua5.2.dylib $ make install [100%] Built target rexgen-0.1.0 Install the project... -- Install configuration: "" -- Installing: /usr/local/lib/librexgen-0.1.0.dylib -- Installing: /usr/local/bin/rexgen.lua ...and now it works. I'm not sure whether this was a problem with cmake itself or your cmake magic, or even my lua installation. Next problem: $ rexgen 'abc[0-9]' -bash: /usr/local/bin/rexgen: /usr/bin/lua5.2: bad interpreter: No such file or directory OK so hardcoded somewhere? $ git grep 'bin/lua' .. ../rexgen/rexgen_tmpl.lua:#!/usr/bin/lua5.2 Naughty. Also, I only have /usr/local/bin/lua so I changed the shebang to: -#!/usr/bin/lua5.2 +#!/usr/bin/env lua Maybe some cmake magic could do that in a canonical way. Anway this just lead to the next obstacle :-) $ rexgen 'abc[0-9]' lua: /usr/local/bin/rexgen:3: module 'rexgen' not found: no field package.preload['rexgen'] no file '/usr/local/share/lua/5.2/rexgen.lua' no file '/usr/local/share/lua/5.2/rexgen/init.lua' no file '/usr/local/lib/lua/5.2/rexgen.lua' no file '/usr/local/lib/lua/5.2/rexgen/init.lua' no file './rexgen.lua' no file '/usr/local/lib/librexgen.so' stack traceback: [C]: in function 'require' /usr/local/bin/rexgen:3: in main chunk [C]: in ? $ find /usr/local -name "rexgen*" /usr/local/bin/rexgen /usr/local/bin/rexgen.lua Now I'm not quite sure what to do. Did it try to find itself and failed? I must be close now :-P magnum
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