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Subjectexecve replacement.
Date
Hi everybody,

I have replaced the execve() kernel API with my own implementation but it
doesn't work well.

extern void * sys_call_table[]

asmlinkage int (*system_execve)(const char *, const char **, const char
**);

asmlinkage int my_execve(const char * filename, const char **argv, const
char **envp)
{
return system_execve(filename, argv, envp);
}

int init_module()
{
system_execve = sys_call_table[__NR_execve];
sys_call_table[__NR_execve] = my_execve;
}

void cleanup_module()
{
sys_call_table[__NR_execve] = system_execve;
}

Does anybody know where is the problem?

Thanks in advance.

-Abel.


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