Commit d8fe1e81 authored by ivoire's avatar ivoire
Browse files

sout_raop: factorize.

parent a780f410
......@@ -445,7 +445,7 @@ static int EncryptAesKeyBase64( vlc_object_t *p_this, char **result )
unsigned char ps_padded_key[256];
unsigned char *ps_value;
size_t i_value_size;
int i_err = VLC_SUCCESS;
int i_err;
/* Add RSA-OAES-SHA1 padding */
i_err = AddOaepPadding( p_this,
......@@ -454,25 +454,20 @@ static int EncryptAesKeyBase64( vlc_object_t *p_this, char **result )
NULL, 0 );
if ( i_err != VLC_SUCCESS )
goto error;
i_err = VLC_EGENERIC;
/* Read public key */
i_gcrypt_err = gcry_mpi_scan( &mpi_pubkey, GCRYMPI_FMT_USG,
ps_raop_rsa_pubkey,
sizeof( ps_raop_rsa_pubkey ) - 1, NULL );
if ( CheckForGcryptError( p_stream, i_gcrypt_err ) )
{
i_err = VLC_EGENERIC;
goto error;
}
/* Read exponent */
i_gcrypt_err = gcry_mpi_scan( &mpi_exp, GCRYMPI_FMT_USG, ps_raop_rsa_exp,
sizeof( ps_raop_rsa_exp ) - 1, NULL );
if ( CheckForGcryptError( p_stream, i_gcrypt_err ) )
{
i_err = VLC_EGENERIC;
goto error;
}
/* If the input data starts with a set bit (0x80), gcrypt thinks it's a
* signed integer and complains. Prefixing it with a zero byte (\0)
......@@ -483,45 +478,32 @@ static int EncryptAesKeyBase64( vlc_object_t *p_this, char **result )
ps_padded_key, sizeof( ps_padded_key ),
NULL);
if ( CheckForGcryptError( p_stream, i_gcrypt_err ) )
{
i_err = VLC_EGENERIC;
goto error;
}
/* Build S-expression with RSA parameters */
i_gcrypt_err = gcry_sexp_build( &sexp_rsa_params, NULL,
"(public-key(rsa(n %m)(e %m)))",
mpi_pubkey, mpi_exp );
if ( CheckForGcryptError( p_stream, i_gcrypt_err ) )
{
i_err = VLC_EGENERIC;
goto error;
}
/* Build S-expression for data */
i_gcrypt_err = gcry_sexp_build( &sexp_input, NULL, "(data(value %m))",
mpi_input );
if ( CheckForGcryptError( p_stream, i_gcrypt_err ) )
{
i_err = VLC_EGENERIC;
goto error;
}
/* Encrypt data */
i_gcrypt_err = gcry_pk_encrypt( &sexp_encrypted, sexp_input,
sexp_rsa_params );
if ( CheckForGcryptError( p_stream, i_gcrypt_err ) )
{
i_err = VLC_EGENERIC;
goto error;
}
/* Extract encrypted data */
sexp_token_a = gcry_sexp_find_token( sexp_encrypted, "a", 0 );
if ( !sexp_token_a )
{
msg_Err( p_this , "Token 'a' not found in result S-expression" );
i_err = VLC_EGENERIC;
goto error;
}
......@@ -529,7 +511,6 @@ static int EncryptAesKeyBase64( vlc_object_t *p_this, char **result )
if ( !mpi_output )
{
msg_Err( p_this, "Unable to extract MPI from result" );
i_err = VLC_EGENERIC;
goto error;
}
......@@ -538,12 +519,12 @@ static int EncryptAesKeyBase64( vlc_object_t *p_this, char **result )
mpi_output );
if ( CheckForGcryptError( p_stream, i_gcrypt_err ) )
{
i_err = VLC_EGENERIC;
goto error;
}
/* Encode in Base64 */
*result = vlc_b64_encode_binary( ps_value, i_value_size );
i_err = VLC_SUCCESS;
error:
gcry_sexp_release( sexp_rsa_params );
......@@ -645,15 +626,12 @@ static int ReadStatusLine( vlc_object_t *p_this )
char *psz_line = NULL;
char *psz_token;
char *psz_next;
int i_result;
int i_result = VLC_EGENERIC;
p_sys->psz_last_status_line = net_Gets( p_this, p_sys->i_control_fd,
NULL );
if ( !p_sys->psz_last_status_line )
{
i_result = VLC_EGENERIC;
goto error;
}
/* Create working copy */
psz_line = strdup( p_sys->psz_last_status_line );
......@@ -665,7 +643,6 @@ static int ReadStatusLine( vlc_object_t *p_this )
{
msg_Err( p_this, "Unknown protocol (%s)",
p_sys->psz_last_status_line );
i_result = VLC_EGENERIC;
goto error;
}
......@@ -675,7 +652,6 @@ static int ReadStatusLine( vlc_object_t *p_this )
{
msg_Err( p_this, "Request failed (%s)",
p_sys->psz_last_status_line );
i_result = VLC_EGENERIC;
goto error;
}
......
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