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Commit Graph

39 Commits

Author SHA1 Message Date
Brian Somers
833882f740 o Move VarMSChap into struct chap, and remove `set encrypt'
option.  We never ask a client for MSChap when we've got
  chap `enabled', and we dynamically answer using MSChap
  if the peer demands it.
o Remove all of the bundle2*() series of functions except
  bundle2datalink() as they're too expensive.  The only
  calls to bundle2datalink() are made from command.c when
  determining context.
o Write to the correct modem in term mode, and check the
  return value, dropping back to command mode if the write
  fails.

Cosmetic:
  Make the PPP COMMAND LIST section of the man page
  prettier, better and more consistent.  Alphabeticalise
  all command lists and document missing commands.
1998-04-03 19:26:29 +00:00
Brian Somers
97ce322d3a Initialise multilink LCPs according to rfc1990. 1998-04-03 19:26:12 +00:00
Brian Somers
b6217683dc Deglobalise `struct prompt':
o Our diagnostic socket has its password set in the `set socket'
    line only (not in ppp.secret).
  o Passwords are per server socket (*VarAuthKey are gone)
  o Authority is per prompt (VarLocalAuth is gone).
  o Local logging is per prompt.
  o Add a `show who' command to see who's connected.  No identd
    routine - just a `where the connection came from' display.
  o SIGUSR1 is disabled for now - we have no way of choosing a
    password for the socket created :-(

Prompts are attached as a list of `struct descriptor's in
struct bundle, and serviced under the bundles descriptor
service routines.  Ultimately, everything should be done
like this.

Cosmetic:
  o alphabeticalise SRCS in Makefile.
  o Add a few comments in command.h

TODO: Start checking that we don't overflow the descriptor sets
      in select() now that we can have any number of descriptors.
1998-04-03 19:26:02 +00:00
Brian Somers
cd9647a100 o Move default MRU, MTU, ACCMAP and OPENMODE config values into
struct lcp and display them in `show lcp'.
o Remove `show mru' and `show mtu' and make the data part of
  `show lcp'.  Also merge `set m[tr]u' and `set openmode'
  implementations into the SetVariable function.
o `set timeout' only accepts the idle timer value as an argument.
o Move our lqr period into struct lcp, and create a `set lqrperiod'
  command.  Display it in `show lcp'.
o Remove VarRetryTimeout, and implement it at the LCP, PAP, CHAP,
  CCP and IPCP levels, creating individual `set XXXretry' commands
  for each.  They must be separate because they have different
  context requirements in multilink mode.
o Display default config values in `show ccp'.
o Tart the man page up a bit (wrt PPP/TCP, compression and LQR) and
  explain the new commands.
1998-04-03 19:24:07 +00:00
Brian Somers
3b0f8d2ed6 o Move struct lcp and struct ccp into struct link.
o Remove bundle2lcp(), bundle2ccp() and bundle2link().
  They're too resource-hungry and we have `owner pointers'
  to do their job.
o Make our FSM understand LCPs that are always ST_OPENED
  (with a minimum code that != 1).
o Send FSM code rejects for invalid codes.
o Make our bundle fsm_parent deal with multiple links.
o Make timer diagnostics pretty and allow access via ~t
  in `term' mode (not just when logging debug) and
  `show timers'.  Only show timers every second in debug
  mode, otherwise we get too many diagnostics to be useful
  (we probably still do).  Also, don't restrict ~m in term
  mode to depend on debug logging.
o Rationalise our bundles' phases.
o Create struct mp (multilink protocol).  This is both an
  NCP and a type of struct link.  It feeds off other NCPs
  for output, passing fragmented packets into the queues
  of available datalinks.  It also gets PROTO_MP input,
  reassembles the fragments into ppp frames, and passes
  them back to the HDLC layer that the fragments were passed
  from.
  ** It's not yet possible to enter multilink mode :-( **
o Add `set weight' (requires context) for deciding on a links
  weighting in multilink mode.  Weighting is simplistic (and
  probably badly implemented) for now.
o Remove the function pointers in struct link.  They ended up
  only applying to physical links.
o Configure our tun device with an MTU equal to the MRU from
  struct mp's LCP and a speed equal to the sum of our link
  speeds.
o `show {lcp,ccp,proto}' and `set deflate' now have optional
  context and use ChooseLink() to decide on which `struct link'
  to use.  This allows behaviour as before when in non-multilink
  mode, and allows access to the MP logical link in multilink
  mode.
o Ignore reconnect and redial values when in -direct mode and
  when cleaning up.  Always redial when in -ddial or -dedicated
  mode (unless cleaning up).
o Tell our links to `staydown' when we close them due to a signal.
o Remove remaining `#ifdef SIGALRM's (ppp doesn't function without
  alarms).
o Don't bother strdup()ing our physical link name.
o Various other cosmetic changes.
1998-04-03 19:21:56 +00:00
Brian Somers
1e991daad5 Remove some more globals:
o int modem was unused.
  o StateNames[] is now accessed via State2Nam()
  o ipKeepAlive is no more.  As a result, we must call FilterCheck()
    twice if we're doing TCP/IP logging (once when we queue and log
    the packet and once when we transmit it and need to know if the
    idle timer should be reset), but this won't be the case
    in normal life.
1998-03-24 18:47:32 +00:00
Brian Somers
2f7866811e Make struct bundle into a sort of `struct descriptor'.
It does the fdsets/reads/writes for each of it's
datalinks.
1998-03-20 19:48:28 +00:00
Brian Somers
2267893f11 o Check the LCP Identifier field for correctness and drop
dodgy packets by default.
  The old behaviour is still available with ``disable idcheck''.
o Make all FSM diagnostics consistent and tidy up the way
  we build our LCP/CCP/IPCP requests.
o Don't assume sizeof(u_long) == 4.
1998-03-20 19:47:10 +00:00
Brian Somers
eaa4df37f4 Move VJ compression state and stats into struct ipcp. 1998-03-16 22:54:35 +00:00
Brian Somers
5ca5389af4 Move filter sets into struct bundle. 1998-03-16 22:52:54 +00:00
Brian Somers
30c2f2ffe2 Remove more globals 1998-03-13 21:08:05 +00:00
Brian Somers
a611cad61d o Don't immediately reply to the first LQR thinking
it's a duplicate ('cos it compares with our initial
  values).
o Move the LCP into struct datalink.
1998-03-13 21:07:14 +00:00
Brian Somers
879ed6fa82 De-staticise LQR information
Increment OutPackets for any packet - not just LQRs

MFC:
  o Fix a few comment typos.
  o Fix ``set timeout'' usage message and documentation.
  o Change ifOutPackets, ifOutOctets and ifOutLQRs to `u_int32_t's
    so that they wrap correctly.
  o Put the LQR in network byte order using the correct struct size
    (sizeof u_int32_t, not sizeof u_long).
  o Wrap LQR ECHO counters correctly.
  o Don't increment OutLQR count if the last LQR hasn't been replied
    to.
  o Initialise last received LQR in StartLqm.
  o Don't start the LQR timer if we're `disabled' and `accepted'.
  o Generate LQR responses when both sides are using a timer and
    we're not going to send our next LQR before the peers max timeout.
1998-03-13 00:44:26 +00:00
Brian Somers
ab886ad0f6 Move the idle timer into struct bundle. There's no
link-level idle timer for the moment.
1998-03-09 19:26:41 +00:00
Brian Somers
d2fd8d772f Force IPCP back to initial in bundle_Close().
Add a few un-necessary includes to make us build under
2.2.5.  These'll go when the code is cleaned up at the
end.
1998-03-02 17:25:30 +00:00
Brian Somers
e2ebb036fd Do authentication at the datalink level, not the bundle level.
The bundle doesn't get a LayerUp 'till we're authenticated.

Introduce DATALINK_LCP and DATALINK_AUTH phases.
1998-03-01 01:07:49 +00:00
Brian Somers
5454ccd9e0 Reset fsm.maxconfig in the *_Setup() routines. 1998-02-27 21:46:26 +00:00
Brian Somers
6d6667755e Create struct fsm_parent. FSMs are created with one of these,
and the FSM passes subsequent events to them.

The datalink now hides its CCP from the bundle layer.
1998-02-27 01:22:39 +00:00
Brian Somers
6eddf53ee8 Move our Layer*() FSM callbacks into their own structure. 1998-02-24 03:36:50 +00:00
Brian Somers
503a7782d8 Shuffle around our FSMs a bit. This'll make it
easier to remove the CcpInfo, LcpInfo and IpcpInfo
globals.
1998-02-21 01:45:26 +00:00
Brian Somers
7e80369b76 Move some FSM initialisation into FsmInit(). 1998-02-19 19:57:01 +00:00
Brian Somers
63258dccc5 o Create `struct hdlc' - a part of struct physical.
o Move our LCP report timer into struct hdlc - it's really
  a hdlc timer (fcs errors etc).
o Make `show hdlc' require context and make the output more
  friendly.
o Remove all non-const globals from hdlc.c
o Output peer-rejected protocols by name - not just ones
  that we reject.
1998-02-18 19:35:59 +00:00
Brian Somers
81b6b8982d Merge LcpOpen functionality into datalink_LoginDone 1998-02-17 19:29:14 +00:00
Brian Somers
3006ec67fe Create struct datalink.
This is a type of physical link that can chat and talk
LCP & CCP.  A bundle contains a list of these (only one
in the list for the moment).

The datalink is a type of descriptor, and dials, enters
LCP (& does CCP), kicks the bundle when its FSMs do
something interesting and does the hangup chat script
on the way down.  It also handles redials and reconnects.

There are lots of loose ends, and probably lots of bugs,
but the data structures are getting there !
1998-02-16 00:01:12 +00:00
Brian Somers
85b542cf4f Move the terminal/diagnostic socket stuff out of main.c
and into the new `prompt.c'.  struct prompt is (of course)
a `sort' of descriptor.
1998-02-10 03:23:50 +00:00
Brian Somers
42d4d39668 o Introduce struct descriptor.
This will ultimately be a member of a list of descriptors and
  their handler functions on which we need to select() in the
  main loop.
o Make struct physical into a `sort' of struct descriptor.
1998-02-09 19:21:11 +00:00
Brian Somers
aad81d1ecf Rename ccpstate to ccp, ipcpstate to ipcp and lcpstate to lcp. 1998-02-08 11:05:01 +00:00
Brian Somers
455aabc3f8 o Hook the FSMs into our bundle.
o The FSM layering is now more sane.
o Move a lot of the NCP stuff into our ipcpstate rather than having it
  in the bundle, including control of the configured IP addresses.  We
  don't need hacks like the global `linkup' variable any more as the
  FSM decides when our ppp.link* files get run.  This is going to eventually
  be configurable based on FSM events anyway.
o Fix a few inconsistencies when both sides require authentication.
o We now have "Ppp..." and "PPp" prompts, reflecting authentication
  and network phase.  We don't print loads of spurious prompts as we
  change phases any more.
o Our phase is part of the bundle now.
o Fix a bug where the FSM wasn't calling LayerFinish.
o Close the FSM down correctly with a signal rather than slamming it
  down as if the line was dropped (the undocumented ``down'' command
  is still available though).
o Remove the forgotten `tunno' variable and fix references to it.
1998-02-07 20:50:08 +00:00
Brian Somers
83d1af558c Isolate fsm callback functions
Derive {lcp,ipcp,ccp}state structures from struct fsm
where convenient.
Create bundle_Down() and remove LcpDown()
1998-02-06 02:24:29 +00:00
Brian Somers
ecd5172a68 Shuffle names and args in modem.h 1998-02-06 02:22:28 +00:00
Brian Somers
52f21f2683 Correct magic number format string
Spotted by: Bruce M. Walter <walter@fortean.com>
1998-02-04 01:03:51 +00:00
Brian Somers
6140ba1177 Create struct async' and make it part of struct physical'.
This structure contains the asynchronous state of the physical
link.
Unfortunately, just about every .h file is included in every .c
file now.  Fixing this can be one of the last jobs.
1998-02-02 19:33:40 +00:00
Brian Somers
7a6f872047 Create `struct bundle' - the top level control structure.
This structure will eventually contain a list of NCPs (currently
only IPCP is supported) and a list of physical `struct link's.
It will also derive from a struct link itself.
Make ModemTimeout() static - it's way to dangerous to be called
from outside !
Bump version to 1.9.  Our first MP release should be 2.0.
1998-02-02 19:32:16 +00:00
Brian Somers
7308ec6890 Move the global FSMs into their relevent structures.
IPCP, CCP and LCP are now just derived FSMs.
Comment each of the FSM implementations so that we can
tell what's going on.
Revise the state transitions so that CCP and IPCP actually
send terminate REQs when appropriate.

The OS & IPCP layers are still like spagetti (next job).
1998-01-31 02:48:30 +00:00
Brian Somers
8c07a7b2e0 Create `struct link' - the logical link from which
`struct physical' (and the future `struct logical')
are derived.
1998-01-30 19:46:07 +00:00
Brian Somers
c8ee0d78b6 o Bring global/static data into LcpInfo.
o Parameterise LcpReportTime().
o Don't obscure the hard-coded use of LcpInfo.
o Comment on the data elements of LcpInfo.
1998-01-30 01:33:46 +00:00
Brian Somers
29e275cee4 o Move global/static IPCP data into IpcpInfo.
o Use INADDR_ANY and INADDR_BROADCAST instead of 0 and 0xffffffff
  for IP addresses & masks.
o Move struct compreq into ipcp.c (it's none of anyone elses
  business).
o Rename MAX_STATES to MAX_VJ_STATES.
1998-01-29 23:11:44 +00:00
Brian Somers
63b7346316 Create a new MP branch for `multilink protocol'.
Do lots of initial shuffling and grouping.
Submitted by: Eivind Eklund <perhaps@yes.no>
1998-01-29 00:49:32 +00:00
cvs2svn
1ae349f52c This commit was manufactured by cvs2svn to create branch 'MP'. 1998-01-29 00:44:16 +00:00