hi all
i have a damn question.

i have a linux shared linked library(*.so) now.
i must crack it.
i want to know the information of interface and interface's parameters in this library.

i use objdump -dx to get the interface information.
but, how can i get the information of interface's parameters.

thks.

There's no need to crosspost on different forums. The way to attract specific attention is to create a descriptive title, not multiple postings. I changed your title to include the word 'linux', else some linux-knowledgable people may ignore the posting entirely.

Kayaker

If they are anything like Windows shared libraries (DLLs), you cannot do this automatically in a good and 100% secure way...

On C++ libs you can get some more information by demangling the functions. Use the -C option on objdump to demangle the names.
Alternatively you can use the c++filt command to demangle a name.

e.g.
libstdc++
has 0008b870 w DF .text 0000002c GLIBCXX_3.4 _ZNSt14codecvt_bynameIwc11__mbstate_tED2Ev

If you use objdump -CT or pipe the line above through c++filt you get:

std::codecvt_byname<wchar_t, char, __mbstate_t>::~codecvt_byname [not-in-charge]()

Which is a bit more readable

thank you all.
i have made a little progress.

i have got some call tree in the library.
but,
how can i get the parameter of interface in library, it's a c library.
i only can get interface's name.

AFAIK you can't. You will have to disassemble the library to know which params are passed to it.

Checkout ltrace & strace

isn't there a existing tool can do such thing?
god bless me.
the question is i am not very familiar with Assembly.

is there any chance you could possilbly recomment some guide for me?

thank you.