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hlsdemux: fix compilation with OpenSSL 1.1.0

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OpenSSL 1.1.0 no longer allows stack-allocated structures;
it hides the implementation behind typedefs

https://bugzilla.gnome.org/show_bug.cgi?id=787309
This commit is contained in:
George Kiagiadakis 2017-09-05 15:07:03 +03:00
parent 58a2df001c
commit e796a7cb97
2 changed files with 27 additions and 6 deletions
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29
ext/hls/gsthlsdemux.c
View file

@ -1656,11 +1656,17 @@ static gboolean
gst_hls_demux_stream_decrypt_start (GstHLSDemuxStream * stream,
const guint8 * key_data, const guint8 * iv_data)
{
EVP_CIPHER_CTX *ctx;
#if OPENSSL_VERSION_NUMBER < 0x10100000L
EVP_CIPHER_CTX_init (&stream->aes_ctx);
if (!EVP_DecryptInit_ex (&stream->aes_ctx, EVP_aes_128_cbc (), NULL, key_data,
iv_data))
ctx = &stream->aes_ctx;
#else
stream->aes_ctx = EVP_CIPHER_CTX_new ();
ctx = stream->aes_ctx;
#endif
if (!EVP_DecryptInit_ex (ctx, EVP_aes_128_cbc (), NULL, key_data, iv_data))
return FALSE;
EVP_CIPHER_CTX_set_padding (&stream->aes_ctx, 0);
EVP_CIPHER_CTX_set_padding (ctx, 0);
return TRUE;
}
@ -1669,15 +1675,21 @@ decrypt_fragment (GstHLSDemuxStream * stream, gsize length,
const guint8 * encrypted_data, guint8 * decrypted_data)
{
int len, flen = 0;
EVP_CIPHER_CTX *ctx;
#if OPENSSL_VERSION_NUMBER < 0x10100000L
ctx = &stream->aes_ctx;
#else
ctx = stream->aes_ctx;
#endif
if (G_UNLIKELY (length > G_MAXINT || length % 16 != 0))
return FALSE;
len = (int) length;
if (!EVP_DecryptUpdate (&stream->aes_ctx, decrypted_data, &len,
encrypted_data, len))
if (!EVP_DecryptUpdate (ctx, decrypted_data, &len, encrypted_data, len))
return FALSE;
EVP_DecryptFinal_ex (&stream->aes_ctx, decrypted_data + len, &flen);
EVP_DecryptFinal_ex (ctx, decrypted_data + len, &flen);
g_return_val_if_fail (len + flen == length, FALSE);
return TRUE;
}
@ -1685,7 +1697,12 @@ decrypt_fragment (GstHLSDemuxStream * stream, gsize length,
static void
gst_hls_demux_stream_decrypt_end (GstHLSDemuxStream * stream)
{
#if OPENSSL_VERSION_NUMBER < 0x10100000L
EVP_CIPHER_CTX_cleanup (&stream->aes_ctx);
#else
EVP_CIPHER_CTX_free (stream->aes_ctx);
stream->aes_ctx = NULL;
#endif
}
#elif defined(HAVE_NETTLE)

4
ext/hls/gsthlsdemux.h
View file

@ -101,7 +101,11 @@ struct _GstHLSDemuxStream
/* decryption tooling */
#if defined(HAVE_OPENSSL)
# if OPENSSL_VERSION_NUMBER < 0x10100000L
EVP_CIPHER_CTX aes_ctx;
# else
EVP_CIPHER_CTX *aes_ctx;
# endif
#elif defined(HAVE_NETTLE)
struct CBC_CTX (struct aes_ctx, AES_BLOCK_SIZE) aes_ctx;
#else