int SSL_rand_seed()

in native/src/ssl.c [252:282]

• 27 lines of code
• 3 McCabe index (conditional complexity)

int SSL_rand_seed(const char *file)
{
    unsigned char stackdata[256];
    static volatile apr_uint32_t counter = 0;

    if (ssl_rand_load_file(file) < 0) {
        int n;
        struct {
            apr_time_t    t;
            pid_t         p;
            unsigned long i;
            apr_uint32_t  u;
        } _ssl_seed;
        if (counter == 0) {
            apr_generate_random_bytes(stackdata, 256);
            RAND_seed(stackdata, 128);
        }
        _ssl_seed.t = apr_time_now();
        _ssl_seed.p = getpid();
        _ssl_seed.i = ssl_thread_id();
        apr_atomic_inc32(&counter);
        _ssl_seed.u = counter;
        RAND_seed((unsigned char *)&_ssl_seed, sizeof(_ssl_seed));
        /*
         * seed in some current state of the run-time stack (128 bytes)
         */
        n = ssl_rand_choosenum(0, sizeof(stackdata)-128-1);
        RAND_seed(stackdata + n, 128);
    }
    return RAND_status();
}