#include <vlc_network.h>
#include <vlc_strings.h>
#include <vlc_charset.h>
+#include <vlc_fs.h>
#include <vlc_gcrypt.h>
#include <vlc_es.h>
+#include <vlc_http.h>
+#include <vlc_memory.h>
#define RAOP_PORT 5000
#define RAOP_USER_AGENT "VLC " VERSION
{
/* Input parameters */
char *psz_host;
+ char *psz_password;
int i_volume;
/* Plugin status */
char *psz_url;
char *psz_client_instance;
char *psz_session;
+ char *psz_last_status_line;
int i_cseq;
int i_server_port;
int i_audio_latency;
int i_jack_type;
+ http_auth_t auth;
+
/* Send buffer */
size_t i_sendbuf_len;
uint8_t *p_sendbuf;
#define VOLUME_LONGTEXT N_("Output volume for analog output: 0 for silence, " \
"1..255 from almost silent to very loud.")
-vlc_module_begin()
+#define PASSWORD_TEXT N_("Password")
+#define PASSWORD_LONGTEXT N_("Password for target device.")
+
+#define PASSWORD_FILE_TEXT N_("Password file")
+#define PASSWORD_FILE_LONGTEXT N_("Read password for target device from file.")
+
+vlc_module_begin();
set_shortname( N_("RAOP") )
set_description( N_("Remote Audio Output Protocol stream output") )
set_capability( "sout stream", 0 )
set_subcategory( SUBCAT_SOUT_STREAM )
add_string( SOUT_CFG_PREFIX "host", "", NULL,
HOST_TEXT, HOST_LONGTEXT, false )
+ add_password( SOUT_CFG_PREFIX "password", NULL, NULL,
+ PASSWORD_TEXT, PASSWORD_LONGTEXT, false )
+ add_file( SOUT_CFG_PREFIX "password-file", NULL, NULL,
+ PASSWORD_FILE_TEXT, PASSWORD_FILE_LONGTEXT, false )
add_integer_with_range( SOUT_CFG_PREFIX "volume", 100, 0, 255, NULL,
VOLUME_TEXT, VOLUME_LONGTEXT, false )
set_callbacks( Open, Close )
static const char *const ppsz_sout_options[] = {
"host",
+ "password",
+ "password-file",
"volume",
NULL
};
free( p_sys->p_sendbuf );
free( p_sys->psz_host );
+ free( p_sys->psz_password );
free( p_sys->psz_url );
free( p_sys->psz_session );
free( p_sys->psz_client_instance );
+ free( p_sys->psz_last_status_line );
free( p_sys );
}
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,
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)
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;
}
if ( !mpi_output )
{
msg_Err( p_this, "Unable to extract MPI from result" );
- i_err = VLC_EGENERIC;
goto error;
}
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 );
return i_err;
}
+static char *ReadPasswordFile( vlc_object_t *p_this, const char *psz_path )
+{
+ FILE *p_file = NULL;
+ char *psz_password = NULL;
+ char *psz_newline;
+ char ps_buffer[256];
+
+ p_file = vlc_fopen( psz_path, "rt" );
+ if ( p_file == NULL )
+ {
+ msg_Err( p_this, "Unable to open password file '%s': %m", psz_path );
+ goto error;
+ }
+
+ /* Read one line only */
+ if ( fgets( ps_buffer, sizeof( ps_buffer ), p_file ) == NULL )
+ {
+ if ( ferror( p_file ) )
+ {
+ msg_Err( p_this, "Error reading '%s': %m", psz_path );
+ goto error;
+ }
+
+ /* Nothing was read, but there was no error either. Maybe the file is
+ * empty. Not all implementations of fgets(3) write \0 to the output
+ * buffer in this case.
+ */
+ ps_buffer[0] = '\0';
+
+ } else {
+ /* Replace first newline with '\0' */
+ psz_newline = strchr( ps_buffer, '\n' );
+ if ( psz_newline != NULL )
+ *psz_newline = '\0';
+ }
+
+ if ( *ps_buffer == '\0' ) {
+ msg_Err( p_this, "No password could be read from '%s'", psz_path );
+ goto error;
+ }
+
+ psz_password = strdup( ps_buffer );
+
+error:
+ if ( p_file != NULL )
+ fclose( p_file );
+
+ return psz_password;
+}
+
/* Splits the value of a received header.
*
* Example: "Transport: RTP/AVP/TCP;unicast;mode=record;server_port=6000"
{
sout_stream_t *p_stream = (sout_stream_t*)p_this;
sout_stream_sys_t *p_sys = p_stream->p_sys;
- char *psz_original = NULL;
char *psz_line = NULL;
char *psz_token;
char *psz_next;
- int i_err = VLC_SUCCESS;
+ int i_result = VLC_EGENERIC;
- psz_line = net_Gets( p_this, p_sys->i_control_fd, NULL );
- if ( !psz_line )
- {
- i_err = 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 )
goto error;
- }
- psz_original = strdup( psz_line );
+ /* Create working copy */
+ psz_line = strdup( p_sys->psz_last_status_line );
psz_next = psz_line;
/* Protocol field */
psz_token = strsep( &psz_next, psz_delim_space );
if ( !psz_token || strncmp( psz_token, "RTSP/1.", 7 ) != 0 )
{
- msg_Err( p_this, "Unknown protocol (%s)", psz_original );
- i_err = VLC_EGENERIC;
+ msg_Err( p_this, "Unknown protocol (%s)",
+ p_sys->psz_last_status_line );
goto error;
}
/* Status field */
psz_token = strsep( &psz_next, psz_delim_space );
- if ( !psz_token || strcmp( psz_token, "200" ) != 0 )
+ if ( !psz_token )
{
- msg_Err( p_this, "Request failed (%s)", psz_original );
- i_err = VLC_EGENERIC;
+ msg_Err( p_this, "Request failed (%s)",
+ p_sys->psz_last_status_line );
goto error;
}
+ i_result = atoi( psz_token );
+
error:
- free( psz_original );
free( psz_line );
- return i_err;
+ return i_result;
}
static int ReadHeader( vlc_object_t *p_this,
/* Empty line for response end */
if ( psz_line[0] == '\0' )
*done = 1;
- else if ( p_resp_headers )
+ else
{
psz_original = strdup( psz_line );
psz_next = psz_line;
}
}
- if ( p_req_headers )
- {
- i_err = WriteAuxHeaders( p_this, p_req_headers );
- if ( i_err != VLC_SUCCESS )
- goto error;
- }
+ i_err = WriteAuxHeaders( p_this, p_req_headers );
+ if ( i_err != VLC_SUCCESS )
+ goto error;
i_rc = net_Write( p_this, p_sys->i_control_fd, NULL,
psz_headers_end, sizeof( psz_headers_end ) - 1 );
return i_err;
}
+static int ParseAuthenticateHeader( vlc_object_t *p_this,
+ vlc_dictionary_t *p_resp_headers )
+{
+ sout_stream_t *p_stream = (sout_stream_t*)p_this;
+ sout_stream_sys_t *p_sys = p_stream->p_sys;
+ char *psz_auth;
+ int i_err = VLC_SUCCESS;
+
+ psz_auth = vlc_dictionary_value_for_key( p_resp_headers,
+ "WWW-Authenticate" );
+ if ( psz_auth == NULL )
+ {
+ msg_Err( p_this, "HTTP 401 response missing "
+ "WWW-Authenticate header" );
+ i_err = VLC_EGENERIC;
+ goto error;
+ }
+
+ http_auth_ParseWwwAuthenticateHeader( p_this, &p_sys->auth, psz_auth );
+
+error:
+ return i_err;
+}
+
static int ExecRequest( vlc_object_t *p_this, const char *psz_method,
const char *psz_content_type, const char *psz_body,
vlc_dictionary_t *p_req_headers,
{
sout_stream_t *p_stream = (sout_stream_t*)p_this;
sout_stream_sys_t *p_sys = p_stream->p_sys;
+ char *psz_authorization = NULL;
int headers_done;
int i_err = VLC_SUCCESS;
+ int i_status;
+ int i_auth_state;
if ( p_sys->i_control_fd < 0 )
{
goto error;
}
- /* Send request */
- i_err = SendRequest( p_this, psz_method, psz_content_type, psz_body,
- p_req_headers);
- if ( i_err != VLC_SUCCESS )
- goto error;
+ i_auth_state = 0;
+ while ( 1 )
+ {
+ /* Send header only when Digest authentication is used */
+ if ( p_sys->psz_password != NULL && p_sys->auth.psz_nonce != NULL )
+ {
+ FREENULL( psz_authorization );
+
+ psz_authorization =
+ http_auth_FormatAuthorizationHeader( p_this, &p_sys->auth,
+ psz_method,
+ p_sys->psz_url, "",
+ p_sys->psz_password );
+ if ( psz_authorization == NULL )
+ {
+ i_err = VLC_EGENERIC;
+ goto error;
+ }
- /* Read status line */
- i_err = ReadStatusLine( p_this );
- if ( i_err != VLC_SUCCESS )
- goto error;
+ vlc_dictionary_insert( p_req_headers, "Authorization",
+ psz_authorization );
+ }
+
+ /* Send request */
+ i_err = SendRequest( p_this, psz_method, psz_content_type, psz_body,
+ p_req_headers);
+ if ( i_err != VLC_SUCCESS )
+ goto error;
+
+ /* Read status line */
+ i_status = ReadStatusLine( p_this );
+ if ( i_status < 0 )
+ {
+ i_err = i_status;
+ goto error;
+ }
- if ( p_resp_headers )
vlc_dictionary_clear( p_resp_headers, FreeHeader, NULL );
- /* Read headers */
- headers_done = 0;
- while ( !headers_done )
- {
- i_err = ReadHeader( p_this, p_resp_headers, &headers_done );
- if ( i_err != VLC_SUCCESS )
+ /* Read headers */
+ headers_done = 0;
+ while ( !headers_done )
+ {
+ i_err = ReadHeader( p_this, p_resp_headers, &headers_done );
+ if ( i_err != VLC_SUCCESS )
+ goto error;
+ }
+
+ if ( i_status == 200 )
+ /* Request successful */
+ break;
+ else if ( i_status == 401 )
+ {
+ /* Authorization required */
+ if ( i_auth_state == 1 || p_sys->psz_password == NULL )
+ {
+ msg_Err( p_this, "Access denied, password invalid" );
+ i_err = VLC_EGENERIC;
+ goto error;
+ }
+
+ i_err = ParseAuthenticateHeader( p_this, p_resp_headers );
+ if ( i_err != VLC_SUCCESS )
+ goto error;
+
+ i_auth_state = 1;
+ }
+ else
+ {
+ msg_Err( p_this, "Request failed (%s), status is %d",
+ p_sys->psz_last_status_line, i_status );
+ i_err = VLC_EGENERIC;
goto error;
+ }
}
error:
+ FREENULL( p_sys->psz_last_status_line );
+ free( psz_authorization );
+
return i_err;
}
static int SendFlush( vlc_object_t *p_this )
{
VLC_UNUSED( p_this );
-
+ vlc_dictionary_t resp_headers;
vlc_dictionary_t req_headers;
int i_err = VLC_SUCCESS;
vlc_dictionary_init( &req_headers, 0 );
+ vlc_dictionary_init( &resp_headers, 0 );
vlc_dictionary_insert( &req_headers, "RTP-Info",
(void *)"seq=0;rtptime=0" );
- i_err = ExecRequest( p_this, "FLUSH", NULL, NULL, &req_headers, NULL );
+ i_err = ExecRequest( p_this, "FLUSH", NULL, NULL,
+ &req_headers, &resp_headers );
if ( i_err != VLC_SUCCESS )
goto error;
error:
vlc_dictionary_clear( &req_headers, NULL, NULL );
+ vlc_dictionary_clear( &resp_headers, FreeHeader, NULL );
return i_err;
}
static int SendTeardown( vlc_object_t *p_this )
{
+ vlc_dictionary_t resp_headers;
+ vlc_dictionary_t req_headers;
int i_err = VLC_SUCCESS;
- i_err = ExecRequest( p_this, "TEARDOWN", NULL, NULL, NULL, NULL );
+ vlc_dictionary_init( &req_headers, 0 );
+ vlc_dictionary_init( &resp_headers, 0 );
+
+ i_err = ExecRequest( p_this, "TEARDOWN", NULL, NULL,
+ &req_headers, &resp_headers );
if ( i_err != VLC_SUCCESS )
goto error;
error:
+ vlc_dictionary_clear( &req_headers, NULL, NULL );
+ vlc_dictionary_clear( &resp_headers, FreeHeader, NULL );
+
return i_err;
}
sout_stream_t *p_stream = (sout_stream_t*)p_this;
sout_stream_sys_t *p_sys = p_stream->p_sys;
vlc_dictionary_t req_headers;
+ vlc_dictionary_t resp_headers;
char *psz_parameters = NULL;
double d_volume;
int i_err = VLC_SUCCESS;
int i_rc;
vlc_dictionary_init( &req_headers, 0 );
+ vlc_dictionary_init( &resp_headers, 0 );
/* Our volume is 0..255, RAOP is -144..0 (-144 off, -30..0 on) */
i_err = ExecRequest( p_this, "SET_PARAMETER",
"text/parameters", psz_parameters,
- &req_headers, NULL );
+ &req_headers, &resp_headers );
if ( i_err != VLC_SUCCESS )
goto error;
error:
vlc_dictionary_clear( &req_headers, NULL, NULL );
+ vlc_dictionary_clear( &resp_headers, FreeHeader, NULL );
free( psz_parameters );
return i_err;
/* Grow in blocks of 4K */
i_realloc_len = (1 + (i_len / 4096)) * 4096;
- p_sys->p_sendbuf = realloc( p_sys->p_sendbuf, i_realloc_len );
+ p_sys->p_sendbuf = realloc_or_free( p_sys->p_sendbuf, i_realloc_len );
if ( p_sys->p_sendbuf == NULL )
goto error;
sout_stream_t *p_stream = (sout_stream_t*)p_this;
sout_stream_sys_t *p_sys;
char psz_local[NI_MAXNUMERICHOST];
+ char *psz_pwfile = NULL;
gcry_error_t i_gcrypt_err;
int i_err = VLC_SUCCESS;
uint32_t i_session_id;
p_sys->i_volume = var_GetInteger( p_stream, SOUT_CFG_PREFIX "volume");
p_sys->i_jack_type = JACK_TYPE_NONE;
+ http_auth_Init( &p_sys->auth );
+
p_sys->psz_host = var_GetNonEmptyString( p_stream,
SOUT_CFG_PREFIX "host" );
if ( p_sys->psz_host == NULL )
goto error;
}
+ p_sys->psz_password = var_GetNonEmptyString( p_stream,
+ SOUT_CFG_PREFIX "password" );
+ if ( p_sys->psz_password == NULL )
+ {
+ /* Try password file instead */
+ psz_pwfile = var_GetNonEmptyString( p_stream,
+ SOUT_CFG_PREFIX "password-file" );
+ if ( psz_pwfile != NULL )
+ {
+ p_sys->psz_password = ReadPasswordFile( p_this, psz_pwfile );
+ if ( p_sys->psz_password == NULL )
+ {
+ i_err = VLC_EGENERIC;
+ goto error;
+ }
+ }
+ }
+
+ if ( p_sys->psz_password != NULL )
+ msg_Info( p_this, "Using password authentication" );
+
var_AddCallback( p_stream, SOUT_CFG_PREFIX "volume",
VolumeCallback, NULL );
p_sys->b_volume_callback = true;
/* Random client instance */
gcry_randomize( &i_client_instance, sizeof( i_client_instance ),
GCRY_STRONG_RANDOM );
- if ( asprintf( &p_sys->psz_client_instance, "%016llX",
+ if ( asprintf( &p_sys->psz_client_instance, "%016"PRIX64,
i_client_instance ) < 0 )
{
i_err = VLC_ENOMEM;
}
error:
+ free( psz_pwfile );
+
if ( i_err != VLC_SUCCESS )
FreeSys( p_this, p_sys );
projects / vlc / blobdiff