void hls_rand_bytes(void *buf, size_t len)
{
static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
static uint64_t counter = 0;
uint64_t stamp = NTPtime64 ();
//TRACE();
while (len > 0)
{
uint64_t val;
#if defined(HAVE_ANDROID_OS)
uint8_t hash[16];
MD5_CTX mdi,mdo;
MD5_Init(&mdi);
MD5_Init(&mdo);
pthread_mutex_lock (&lock);
if (counter == 0)
hls_rand_init ();
val = counter++;
MD5_Update(&mdi, ikey, sizeof (ikey));
MD5_Update(&mdo, okey, sizeof (okey));
pthread_mutex_unlock (&lock);
MD5_Update (&mdi, &stamp, sizeof (stamp));
MD5_Update (&mdi, &val, sizeof (val));
MD5_Final(hash,&mdi);
MD5_Update(&mdo,hash, 16);
MD5_Final(hash,&mdo);
if (len < 16)
{
memcpy (buf,hash,len);
break;
}
memcpy (buf,hash, 16);
len -= 16;
buf = ((uint8_t *)buf) + 16;
//TRACE();
#endif
}
}
void vlc_rand_bytes (void *buf, size_t len)
{
static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
static uint64_t counter = 0;
uint64_t stamp = NTPtime64 ();
while (len > 0)
{
uint64_t val;
struct md5_s mdi, mdo;
InitMD5 (&mdi);
InitMD5 (&mdo);
pthread_mutex_lock (&lock);
if (counter == 0)
vlc_rand_init ();
val = counter++;
AddMD5 (&mdi, ikey, sizeof (ikey));
AddMD5 (&mdo, okey, sizeof (okey));
pthread_mutex_unlock (&lock);
AddMD5 (&mdi, &stamp, sizeof (stamp));
AddMD5 (&mdi, &val, sizeof (val));
EndMD5 (&mdi);
AddMD5 (&mdo, mdi.p_digest, sizeof (mdi.p_digest));
EndMD5 (&mdo);
if (len < sizeof (mdo.p_digest))
{
memcpy (buf, mdo.p_digest, len);
break;
}
memcpy (buf, mdo.p_digest, sizeof (mdo.p_digest));
len -= sizeof (mdo.p_digest);
buf = ((uint8_t *)buf) + sizeof (mdo.p_digest);
}
}
static
char *sdp_Start (const char *name, const char *description, const char *url,
const char *email, const char *phone,
const struct sockaddr *src, size_t srclen,
const struct sockaddr *addr, size_t addrlen)
{
uint64_t now = NTPtime64 ();
char *sdp;
char connection[MAXSDPADDRESS], hostname[256],
sfilter[MAXSDPADDRESS + sizeof ("\r\na=source-filter: incl * ")];
const char *preurl = "\r\nu=", *premail = "\r\ne=", *prephone = "\r\np=";
gethostname (hostname, sizeof (hostname));
if (name == NULL)
name = "Unnamed";
if (description == NULL)
description = "N/A";
if (url == NULL)
preurl = url = "";
if (email == NULL)
premail = email = "";
if (phone == NULL)
prephone = phone = "";
if (!IsSDPString (name) || !IsSDPString (description)
|| !IsSDPString (url) || !IsSDPString (email) || !IsSDPString (phone)
|| (AddressToSDP (addr, addrlen, connection) == NULL))
return NULL;
strcpy (sfilter, "");
if (srclen > 0)
{
char machine[MAXSDPADDRESS];
if (AddressToSDP (src, srclen, machine) != NULL)
sprintf (sfilter, "\r\na=source-filter: incl IN IP%c * %s",
machine[5], machine + 7);
}
if (asprintf (&sdp, "v=0"
"\r\no=- %"PRIu64" %"PRIu64" IN IP%c %s"
"\r\ns=%s"
"\r\ni=%s"
"%s%s" // optional URL
"%s%s" // optional email
"%s%s" // optional phone number
"\r\nc=%s"
// bandwidth not specified
"\r\nt=0 0" // one dummy time span
// no repeating
// no time zone adjustment (silly idea anyway)
// no encryption key (deprecated)
"\r\na=tool:"PACKAGE_STRING
"\r\na=recvonly"
"\r\na=type:broadcast"
"\r\na=charset:UTF-8"
"%s" // optional source filter
"\r\n",
/* o= */ now, now, connection[5], hostname,
/* s= */ name,
/* i= */ description,
/* u= */ preurl, url,
/* e= */ premail, email,
/* p= */ prephone, phone,
/* c= */ connection,
/* source-filter */ sfilter) == -1)
return NULL;
return sdp;
}
