#endif
#include <assert.h>
+#include <limits.h>
#ifdef HAVE_LIBPROXY
# include <proxy.h>
false )
add_password( "http-proxy-pwd", NULL,
PROXY_PASS_TEXT, PROXY_PASS_LONGTEXT, false )
+ add_obsolete_bool( "http-use-IE-proxy" )
add_string( "http-referrer", NULL, REFERER_TEXT, REFERER_LONGTEXT, false )
change_safe()
add_string( "http-user-agent", NULL, UA_TEXT, UA_LONGTEXT, false )
}
/* Determine the HTTP user agent */
- /* See RFC2616 §2.2 token definition and §3.8 user-agent header */
+ /* See RFC2616 §2.2 token and comment definition, and §3.8 and
+ * §14.43 user-agent header */
p_sys->psz_user_agent = var_InheritString( p_access, "http-user-agent" );
if (p_sys->psz_user_agent)
{
+ unsigned comment_level = 0;
for( char *p = p_sys->psz_user_agent; *p; p++ )
{
uint8_t c = *p;
- if( c < 32 || strchr( "()<>@,;:\\\"[]?={}", c ) )
- *p = '_'; /* remove potentially harmful characters */
+ if (comment_level == 0)
+ {
+ if( c < 32 || strchr( ")<>@,;:\\\"[]?={}", c ) )
+ *p = '_'; /* remove potentially harmful characters */
+ }
+ else
+ {
+ if (c == ')')
+ comment_level--;
+ else if( c < 32 && strchr( "\t\r\n", c ) == NULL)
+ *p = '_'; /* remove potentially harmful characters */
+ }
+ if (c == '(')
+ {
+ if (comment_level == UINT_MAX)
+ break;
+ comment_level++;
+ }
+ }
+ /* truncate evil unclosed comments */
+ if (comment_level > 0)
+ {
+ char *p = strchr(p_sys->psz_user_agent, '(');
+ *p = '\0';
}
}
msg_Err(p_access, "Allocating memory for libproxy failed");
}
}
-#elif defined( WIN32 )
+#elif (0) // defined( WIN32 ) The parsing is not complete enough
else
{
/* Try to get the proxy server address from Windows internet settings using registry. */
}
else
msg_Dbg( p_access, "HTTP proxy disabled (MSIE)" );
+ RegCloseKey( h_key );
}
}
#else
if( !vlc_object_alive (p_access) || Connect( p_access, 0 ) )
goto error;
-#ifndef NDEBUG
case 0:
break;
default:
- msg_Err( p_access, "You should not be here" );
- abort();
-#endif
+ assert(0);
}
if( p_sys->i_code == 401 )
free( p_sys );
}
-/*****************************************************************************
- * Read: Read up to i_len bytes from the http connection and place in
- * p_buffer. Return the actual number of bytes read
- *****************************************************************************/
-static int ReadICYMeta( access_t *p_access );
-static ssize_t Read( access_t *p_access, uint8_t *p_buffer, size_t i_len )
+/* Read data from the socket taking care of chunked transfer if needed */
+static int ReadData( access_t *p_access, int *pi_read,
+ uint8_t *p_buffer, size_t i_len )
{
access_sys_t *p_sys = p_access->p_sys;
- int i_read;
-
- if( p_sys->fd == -1 )
- goto fatal;
-
- if( p_sys->b_has_size )
- {
- /* Remaining bytes in the file */
- uint64_t remainder = p_access->info.i_size - p_access->info.i_pos;
- if( remainder < i_len )
- i_len = remainder;
-
- /* Remaining bytes in the response */
- if( p_sys->i_remaining < i_len )
- i_len = p_sys->i_remaining;
- }
-
if( p_sys->b_chunked )
{
if( p_sys->i_chunk < 0 )
- goto fatal;
+ return VLC_EGENERIC;
if( p_sys->i_chunk <= 0 )
{
{
/* fatal error - end of file */
msg_Dbg( p_access, "failed reading chunk-header line" );
- return 0;
+ return VLC_EGENERIC;
}
p_sys->i_chunk = strtoll( psz, NULL, 16 );
free( psz );
if( p_sys->i_chunk <= 0 ) /* eof */
{
p_sys->i_chunk = -1;
- goto fatal;
+ return VLC_EGENERIC;
}
}
if( i_len > p_sys->i_chunk )
i_len = p_sys->i_chunk;
}
+ *pi_read = net_Read( p_access, p_sys->fd, p_sys->p_vs, p_buffer, i_len, false );
+ if( *pi_read <= 0 )
+ return VLC_SUCCESS;
+
+ if( p_sys->b_chunked )
+ {
+ p_sys->i_chunk -= *pi_read;
+ if( p_sys->i_chunk <= 0 )
+ {
+ /* read the empty line */
+ char *psz = net_Gets( p_access, p_sys->fd, p_sys->p_vs );
+ free( psz );
+ }
+ }
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Read: Read up to i_len bytes from the http connection and place in
+ * p_buffer. Return the actual number of bytes read
+ *****************************************************************************/
+static int ReadICYMeta( access_t *p_access );
+static ssize_t Read( access_t *p_access, uint8_t *p_buffer, size_t i_len )
+{
+ access_sys_t *p_sys = p_access->p_sys;
+ int i_read;
+ if( p_sys->fd == -1 )
+ goto fatal;
+
+ if( p_sys->b_has_size )
+ {
+ /* Remaining bytes in the file */
+ uint64_t remainder = p_access->info.i_size - p_access->info.i_pos;
+ if( remainder < i_len )
+ i_len = remainder;
+
+ /* Remaining bytes in the response */
+ if( p_sys->i_remaining < i_len )
+ i_len = p_sys->i_remaining;
+ }
if( i_len == 0 )
goto fatal;
i_len = i_next;
}
- i_read = net_Read( p_access, p_sys->fd, p_sys->p_vs, p_buffer, i_len, false );
+ if( ReadData( p_access, &i_read, p_buffer, i_len ) )
+ goto fatal;
- if( i_read > 0 )
- {
- if( p_sys->b_chunked )
- {
- p_sys->i_chunk -= i_read;
- if( p_sys->i_chunk <= 0 )
- {
- /* read the empty line */
- char *psz = net_Gets( p_access, p_sys->fd, p_sys->p_vs );
- free( psz );
- }
- }
- }
- else
+ if( i_read <= 0 )
{
/*
* I very much doubt that this will work.
int i_read;
/* Read meta data length */
- i_read = net_Read( p_access, p_sys->fd, p_sys->p_vs, &buffer, 1,
- true );
- if( i_read <= 0 )
+ if( ReadData( p_access, &i_read, &buffer, 1 ) )
return VLC_EGENERIC;
- if( buffer == 0 )
- return VLC_SUCCESS;
-
- i_read = buffer << 4;
- /* msg_Dbg( p_access, "ICY meta size=%u", i_read); */
+ if( i_read != 1 )
+ return VLC_EGENERIC;
+ const int i_size = buffer << 4;
+ /* msg_Dbg( p_access, "ICY meta size=%u", i_size); */
- psz_meta = malloc( i_read + 1 );
- if( net_Read( p_access, p_sys->fd, p_sys->p_vs,
- (uint8_t *)psz_meta, i_read, true ) != i_read )
+ psz_meta = malloc( i_size + 1 );
+ for( i_read = 0; i_read < i_size; )
{
- free( psz_meta );
- return VLC_EGENERIC;
+ int i_tmp;
+ if( ReadData( p_access, &i_tmp, (uint8_t *)&psz_meta[i_read], i_size - i_read ) || i_tmp <= 0 )
+ {
+ free( psz_meta );
+ return VLC_EGENERIC;
+ }
+ i_read += i_tmp;
}
-
psz_meta[i_read] = '\0'; /* Just in case */
/* msg_Dbg( p_access, "icy-meta=%s", psz_meta ); */
p_sys->b_persist = false;
p_sys->i_remaining = 0;
- if( p_sys->b_proxy )
- {
- if( p_sys->url.psz_path )
- {
- net_Printf( p_access, p_sys->fd, NULL,
- "GET http://%s:%d%s HTTP/1.%d\r\n",
- p_sys->url.psz_host, p_sys->url.i_port,
- p_sys->url.psz_path, p_sys->i_version );
- }
- else
- {
- net_Printf( p_access, p_sys->fd, NULL,
- "GET http://%s:%d/ HTTP/1.%d\r\n",
- p_sys->url.psz_host, p_sys->url.i_port,
- p_sys->i_version );
- }
- }
+
+ const char *psz_path = p_sys->url.psz_path;
+ if( !psz_path || !*psz_path )
+ psz_path = "/";
+ net_Write( p_access, p_sys->fd, pvs, "GET ", 4 );
+ if( p_sys->b_proxy && pvs == NULL )
+ net_Printf( p_access, p_sys->fd, NULL, "http://%s:%d",
+ p_sys->url.psz_host, p_sys->url.i_port );
+ net_Printf( p_access, p_sys->fd, pvs, "%s HTTP/1.%d\r\n",
+ psz_path, p_sys->i_version );
+ if( p_sys->url.i_port != (pvs ? 443 : 80) )
+ net_Printf( p_access, p_sys->fd, pvs, "Host: %s:%d\r\n",
+ p_sys->url.psz_host, p_sys->url.i_port );
else
- {
- const char *psz_path = p_sys->url.psz_path;
- if( !psz_path || !*psz_path )
- {
- psz_path = "/";
- }
- if( p_sys->url.i_port != (pvs ? 443 : 80) )
- {
- net_Printf( p_access, p_sys->fd, pvs,
- "GET %s HTTP/1.%d\r\nHost: %s:%d\r\n",
- psz_path, p_sys->i_version, p_sys->url.psz_host,
- p_sys->url.i_port );
- }
- else
- {
- net_Printf( p_access, p_sys->fd, pvs,
- "GET %s HTTP/1.%d\r\nHost: %s\r\n",
- psz_path, p_sys->i_version, p_sys->url.psz_host );
- }
- }
+ net_Printf( p_access, p_sys->fd, pvs, "Host: %s\r\n",
+ p_sys->url.psz_host );
/* User Agent */
net_Printf( p_access, p_sys->fd, pvs,
"User-Agent: %s\r\n",
if( AuthCheckReply( p_access, p, &p_sys->proxy, &p_sys->proxy_auth ) )
goto error;
}
+ else if( !strcasecmp( psz, "Accept-Ranges" ) )
+ {
+ if( !strcasecmp( p, "bytes" ) )
+ p_sys->b_seekable = true;
+ }
free( psz );
}