forked from Mirrors/sngrep
97 lines
4.4 KiB
Plaintext
97 lines
4.4 KiB
Plaintext
ToDo List
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=========
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capture:
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* Improve Packet fragmentation
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Right now capture process only handle packet IP fragmentation and
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TCP segmentation when all parts come ordered. Also, packets being
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reassembled are stored in memory until fully assembled (which may
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never occur).
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* Improve TCP assembly
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We assume a packet is complete when PSH flag is set. In some cases
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this is not true and we have multiples SIP messages into what we
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consider an assembled packet. It's require to evaluate if a packet
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contains a SIP message every time we assemble a new segment.
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* Improve long run performance
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Right now, sngrep stores a lot of information in memory making it quite
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dangerous in long runs. We implemented a dialog limit to avoid being
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afraid of leaving an unattended sngrep, but it ended being also used
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by internal structures as a max size reference. While the limit is still
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a good idea, it will be nice to decouple it from the internals, allowing
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even unlimited captures if specified by the user at own risk.
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rtp:
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* Improve RTP stream creation
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We create new streams from SDP information every time we parse a
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SIP message with SDP content and the information doesn't match the
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last call stream. This should be improved to also consider the stream
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direction, so we compare with the last call stream with the same
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direction. This way, we would avoid drawing RTP arrows that have
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the same information
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* Improve RTCP parsing
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Right now only RTCP extended report is parsed and the information
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provided in flow panel doesn't seem to be useful. Determine what
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information will be interesting to display and parse it properly.
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* Remove RTCP stream arrows
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RTCP arrows in Call flow doesn't provide useful information. The
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RTCP information displayed in the preview panel could be displayed
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in the matching RTP arrow.
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pcap:
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* Sorting saved pakets
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Before creating a pcap, we sort packets by timestamp. When a lot of packets
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are handled (especially when RTP is captured) this can take A LOT of time.
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We should improve the sorting, allowing the save process to be canceled or
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allowing not to sort at all.
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* Allow saving HEP/EEP captured packets
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To create a full packet from HEP received packets its required to create
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the required Ethernet/TCP/UDP headers before dumping to pcap.
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Most of the information are part of HEP headers, other (like ethernet mac
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addresses) must be filled with dummy information.
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interface:
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* Change panels initialization
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Right now, all panels are initializated at the same, because
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each panel can only be invoked once (it is not possible to have
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two call details panel right now)
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* Add horizontal scrolling
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It should be nice to be able to scroll horizontaly (with unused
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right and left keys) in Call List and Call flow.
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* Interface resize
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When the terminal size changes, the ui is not properly redraw.
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It would be nice to handle KEY_RESIZE event and change all displayed
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panels.
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* Improve colors for white background terminals
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The best approach for colors should be use terminal defaults.
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Right now, white background terminals must set background dark option
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in order to see colors properly. This could be fixed implementing
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color themes.
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* Improve compatibility with IPv6
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IPv6 packets are captured but IPv6 addresses can be 45 chars
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long, so current UI is not ready to display that kind of
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addresses
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* Improve Unicode support
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Even when compiling with libncruses wide-character support, we don't
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use the special fuctions that provide to write payload into the panels,
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making some characters to be displayed incorrectly.
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* Update keybinding display in help screen
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Most of the panels have a help window that display keybindings, but they
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are updated with the last keybiding mapping changes.
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* Create a loading dialog or include a Loading percentage in Call List
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Add the readed % of bytes from the pcap file next to the (Loading) label in
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Call List, or create a new Dialog when opening big pcaps that can be hidden
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to continue loading in background.
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