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i have a file which is compiled and probably written in C. that file requires an .so file ( library file ). The C Compiled file name is /usr/local/solar/excusekey and the .so library file is /usr/local/libsolar/libexcuse.so When i remove /usr/local/libsolar/libexcuse.so and then i run /usr/local/solar/excusekey then it shows an error :

ERROR : ld.so object '/usr/local/libsolar/libexcuse.so' from 
LD_PRELOAD cannot be preloaded: ignored.

but when i run unset LD_PRELOAD and again run /usr/local/solar/excusekey then it shows the same error.

Does /usr/local/solar/excusekey loads that libexcuse.so library in it's C code ? or there is another trick or method of it?

MonsterPiyush
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1 Answers1

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Does /usr/local/solar/excusekey loads that libexcuse.so library in it's C code ?

Without knowing anything about excusekey, we can't tell.

It's possible to write an application which checks whether LD_PRELOAD contains desired library, an if not, set LD_PRELOAD and re-exec itself.

Whether or not that's what's happening here is anyone's guess.

Running the application under strace -s1024 -fve execve excusekey may provide clues to what the application is doing.

Employed Russian
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