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OpenSSL: Simplify the RNG code

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This commit is contained in:
Aaron Jones 2016-09-15 19:51:36 +00:00
parent 15e2cab1e5
commit 5bb5226edc
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GPG key ID: EC6F86EE9CD840B5
1 changed files with 14 additions and 27 deletions
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41
libratbox/src/openssl.c
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@ -429,45 +429,32 @@ rb_setup_ssl_server(const char *const certfile, const char *keyfile,
int
rb_init_prng(const char *const path, prng_seed_t seed_type)
{
if(seed_type == RB_PRNG_DEFAULT)
{
#ifdef _WIN32
RAND_screen();
#endif
return RAND_status();
}
if(path == NULL)
return RAND_status();
(void) rb_ssl_last_err();
switch(seed_type)
if(seed_type == RB_PRNG_FILE && RAND_load_file(path, -1) < 0)
rb_lib_log("%s: RAND_load_file: %s", __func__, rb_ssl_strerror(rb_ssl_last_err()));
if(RAND_status() != 1)
{
case RB_PRNG_FILE:
if(RAND_load_file(path, -1) == -1)
return -1;
break;
#ifdef _WIN32
case RB_PRNGWIN32:
RAND_screen();
break;
#endif
default:
return -1;
rb_lib_log("%s: RAND_status: %s", __func__, rb_ssl_strerror(rb_ssl_last_err()));
return 0;
}
return RAND_status();
return 1;
}
int
rb_get_random(void *const buf, const size_t length)
{
int ret;
(void) rb_ssl_last_err();
if((ret = RAND_bytes(buf, length)) == 0)
if(RAND_bytes(buf, (int) length) != 1)
{
/* remove the error from the queue */
rb_ssl_last_err();
rb_lib_log("%s: RAND_bytes: %s", __func__, rb_ssl_strerror(rb_ssl_last_err()));
return 0;
}
return ret;
return 1;
}
const char *