[asterisk-bugs] [JIRA] (ASTERISK-23189) [patch] Asterisk WSS ( Secure WebSocket)

[Rusty Newton (JIRA)]

Rusty Newton created ASTERISK-23189:
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             Summary: [patch] Asterisk WSS ( Secure WebSocket)
                 Key: ASTERISK-23189
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-23189
             Project: Asterisk
          Issue Type: Improvement
      Security Level: None
          Components: Resources/res_http_websocket
    Affects Versions: 11.5.1
         Environment: Linux, Chrome
            Reporter: Thava Iyer
            Assignee: Rusty Newton


Asterisk websocket interface (res/res_http_websocket.c) works well for normal websockets (ws) but fails on secure - websockets (wss). The ast_websocket_read() function, first reads the header (14) bytes using first fread() call and then , for the remaining payload,  in a while loop, it first polls the raw-socket for the date before further reads. In the normal websocket, it is fine. But for the secure-websocket case, the underlying ssl_read() would have read the whole data, in the first fread() call (of course to decrypt ) and emptied the socket-fd. This would make the ast_websocket_read() to wait for data to appear on the socket.

This patch enables the ast_websocket_read() function to read the whole available data at first and then wait for any fragmented packets. This makes the secure-websocket connection to work properly.

This has been tested with  Chrome 31.0.1650.63.

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