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52 commits

Author SHA1 Message Date
XANTRONIX Development
566f302a1f Adhere to proper P/F procedure 
Adhere to proper P/F procedure for SABM, I, and DISC frames
 2024-03-01 00:20:46 -05:00
XANTRONIX Development
1265108efd Reply to I frames outside of SABM(E) with DM 2024-03-01 00:20:46 -05:00
XANTRONIX Development
a4518a839a Implement better modulo-128 I and S frame support 
Changes:

    * Split patty_ax25_frame_decode() into the following:

      - patty_ax25_frame_decode_address()
      - patty_ax25_frame_decode_control()

      This allows for look up an established socket for a given address
      pair, to determine if an SABME session is in progress,
      necessitating modulo-128 control decoding

    * Decode I and S N(R), N(S) sequence numbers, poll/final
      bits properly in both modulo-8 and modulo-128 mode

    * Perform better frame control validation

    * Implement the following functions in src/sock.c:

      - patty_ax25_sock_send_rr()
      - patty_ax25_sock_send_rnr()
      - patty_ax25_sock_send_rej()
      - patty_ax25_sock_send_srej()

      Corresponding functions have been removed from src/server.c

    * Implement better functions in src/sock.c for encoding frame
      control, with send/receive sequences associated with the socket,
      with modulo-128 encoding for SABME sessions

Other changes:

    * Move or delete macros from include/patty/ax25/macros.h into
      include/patty/ax25.h and include/patty/ax25/frame.h

    * Move definitions from include/patty/ax25/proto.h to header file
      include/patty/ax25.h

    * Perform better bounds checking while decoding frames

    * Improve frame control printing in src/print.c; display frame
      type names, N(R), (NS) sequence numbers, and poll/final bits
 2024-03-01 00:20:46 -05:00
XANTRONIX Development
b281925eba Significantly simplify dictionaries 
Significantly simplify dictionaries so that dictionary keys are always
uint32_t; this number can be an arbitrary integer, be it a file
descriptor, for instance, or a hashed value
 2024-03-01 00:20:46 -05:00
XANTRONIX Development
0bfd5795ad Do a slightly better job handling sock control fields 2024-03-01 00:20:46 -05:00
XANTRONIX Development
84ae427037 Move raw frame capture to patty_ax25_if 
Move raw frame interface capture to patty_ax25_if, patty_ax25_sock; this
resolves the issue wherein only bytes received, not sent, would be
captured by a raw socket bound to a specific interface with setsockopt()
 2024-03-01 00:20:46 -05:00
XANTRONIX Development
1888b70ed9 Drop patty_ax25_server member fds_w 2024-03-01 00:20:46 -05:00
XANTRONIX Development
8d24566e83 Implement generalized enumerate types; REJ reply 2024-03-01 00:20:46 -05:00
XANTRONIX Development
9ec0255204 De-embiggen an expression 2024-03-01 00:20:46 -05:00
XANTRONIX Development
84809755a1 Implement clients_by_sock convenience methods 
Implement clients_by_sock convenience methods in src/server.c
 2024-03-01 00:20:46 -05:00
XANTRONIX Development
3d2922f2a4 Remove trailing whitespace 2024-03-01 00:20:46 -05:00
XANTRONIX Development
ab2c283542 Refactor socket(), openif() as setsockopt() 
Other changes:

    * Fix blocking on disconnects when a raw socket is bound to an
      interface
 2024-03-01 00:20:46 -05:00
XANTRONIX Development
5a14f81c4a whitespace 2024-03-01 00:20:46 -05:00
XANTRONIX Development
619890c206 Shave off a few lines of code in src/server.c 2024-03-01 00:20:46 -05:00
XANTRONIX Development
73ae096b2d Implement openif(), raw packet interface access 2024-03-01 00:20:46 -05:00
XANTRONIX Development
c853b79529 Remove unnecessary #include <stdio.h> 2024-03-01 00:20:46 -05:00
XANTRONIX Development
65bfa95820 s/socket/fd/ for all such named members, variables 2024-03-01 00:20:46 -05:00
XANTRONIX Development
5a3660450f Get rid of patty_list_iterator (too expensive) 2024-03-01 00:20:46 -05:00
XANTRONIX Development
c6aac035e1 Add proto arg to patty_ax25_sock_new() 
Other changes:

    * Remove proto arg from patty_ax25_sock_send() and
      patty_ax25_sock_write(); instead, use the proto member of
      patty_ax25_sock
 2024-03-01 00:20:46 -05:00
XANTRONIX Development
f835f19e53 Move some stuff, remove some damn labels 2024-03-01 00:20:46 -05:00
XANTRONIX Development
2b1bc4c30e Well, I have WORKING FREAKING SESSIONS BAYBEE 2024-03-01 00:20:46 -05:00
XANTRONIX Development
22bf692a61 SO BLOODY CLOSE 2024-03-01 00:20:46 -05:00
XANTRONIX Development
a60e562fdb Factor out code for handling SABM frames 2024-03-01 00:20:46 -05:00
XANTRONIX Development
17b2313edc Keep accounting of RX/TX bytes, frames 2024-03-01 00:20:46 -05:00
XANTRONIX Development
7fd05f607a Huh, I managed to make something nice 2024-03-01 00:20:46 -05:00
XANTRONIX Development
eb261c9890 Don't hardcode those values there 2024-03-01 00:20:46 -05:00
XANTRONIX Development
d98249ef77 Don't need to do that 2024-03-01 00:20:46 -05:00
XANTRONIX Development
cc21e6342b Whoops 2024-03-01 00:20:46 -05:00
XANTRONIX Development
b9c3568c43 This is a slog with no real end 2024-03-01 00:20:46 -05:00
XANTRONIX Development
89195bde69 Holy crap, getting deeper and deeper 2024-03-01 00:20:46 -05:00
XANTRONIX Development
4478241319 I'm in a world of hurt 2024-03-01 00:20:46 -05:00
XANTRONIX Development
d983672619 Fix address writing 2024-03-01 00:20:46 -05:00
XANTRONIX Development
bdb73c8805 Making significant headway towards a working server 2024-03-01 00:20:46 -05:00
XANTRONIX Development
22366f2d0c Need some shit for managing routing tables 2024-03-01 00:20:46 -05:00
XANTRONIX Development
94b9a9d481 Start working on routing table 2024-03-01 00:20:46 -05:00
XANTRONIX Development
4aced9e9c1 ...I've been busy. 2024-03-01 00:20:46 -05:00
XANTRONIX Development
8dd5864e67 Gettin' there 2024-03-01 00:20:46 -05:00
XANTRONIX Development
8d3c24696e Don't forget to watch client/server socket 2024-03-01 00:20:46 -05:00
XANTRONIX Development
36a7de1b2c unlink() stale sockets 2024-03-01 00:20:46 -05:00
XANTRONIX Development
d265ce8756 More stuff 2024-03-01 00:20:46 -05:00
XANTRONIX Development
58e9d365d5 Remove usage of non-portable FD_COPY() 2024-03-01 00:20:46 -05:00
XANTRONIX Development
df466dc02b Slightly rethinking something 2024-03-01 00:20:46 -05:00
XANTRONIX Development
eb45bd192d Just need to make a damn client/server test already 2024-03-01 00:20:46 -05:00
XANTRONIX Development
aa1ccd792a Don't need that...for the time being 2024-03-01 00:20:46 -05:00
XANTRONIX Development
c4fa41dab4 I am getting AWFULLY close to being able to run this code 2024-03-01 00:20:46 -05:00
XANTRONIX Development
116f4f9f6b Start approaching something I can conceptually write working code around 2024-03-01 00:20:46 -05:00
XANTRONIX Development
ac8b239ed8 Thinking out loud here 2024-03-01 00:20:46 -05:00
XANTRONIX Development
ac55d13057 Writing a network stack from scratch is extremely tiring 2024-03-01 00:20:46 -05:00
XANTRONIX Development
d25b799e4e Moving right along! 2024-03-01 00:20:46 -05:00
XANTRONIX Development
710b5ef069 Getting a little better at this whole refactoring endeavor 2024-03-01 00:20:46 -05:00