execve replacement.

From: Abel Muņoz Alcaraz (abel@trymedia.com)
Date: Wed Oct 04 2000 - 08:15:37 EST

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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