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being the same as the previous (still supported) ``host:port'' syntax for tcp socket devices. A udp device uses synchronous ppp rather than async, and avoids the double-retransmit overhead that comes with ppp over tcp (it's usually a bad idea to transport IP over a reliable transport that itself is using an unreliable transport). PPP over UDP provides througput of ** 1.5Mb per second ** with all compression disabled, maxing out a PPro/200 when running ppp twice, back-to-back. This proves that PPPoE is plausable in userland.... This change adds a few more handler functions to struct device and allows derivations of struct device (which may contain their own data etc) to pass themselves through the unix domain socket for MP. ** At last **, struct physical has lost all the tty crud ! iov2physical() is now smart enough to restore the correct stack of layers so that MP servers will work again. The version number has bumped as our MP link transfer contents have changed (they now may contain a `struct device'). Don't extract the protocol twice in MP mode (resulting in protocol rejects for every MP packet). This was broken with my original layering changes. Add ``Physical'' and ``Sync'' log levels for logging the relevent raw packets and add protocol-tracking LogDEBUG stuff in various LayerPush & LayerPull functions. Assign our physical device name for incoming tcp connections by calling getpeername(). Assign our physical device name for incoming udp connections from the address retrieved by the first recvfrom().
99 lines
3.9 KiB
C
99 lines
3.9 KiB
C
/*-
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* Copyright (c) 1997 Brian Somers <brian@Awfulhak.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: log.h,v 1.23 1998/08/09 15:34:11 brian Exp $
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*/
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#define LogMIN (1)
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#define LogASYNC (1) /* syslog(LOG_INFO, ....) */
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#define LogCBCP (2)
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#define LogCCP (3)
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#define LogCHAT (4)
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#define LogCOMMAND (5)
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#define LogCONNECT (6)
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#define LogDEBUG (7) /* syslog(LOG_DEBUG, ....) */
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#define LogHDLC (8)
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#define LogID0 (9)
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#define LogIPCP (10)
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#define LogLCP (11)
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#define LogLQM (12)
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#define LogPHASE (13)
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#define LogPHYSICAL (14) /* syslog(LOG_INFO, ....) */
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#define LogSYNC (15) /* syslog(LOG_INFO, ....) */
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#define LogTCPIP (16)
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#define LogTIMER (17) /* syslog(LOG_DEBUG, ....) */
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#define LogTUN (18) /* If set, tun%d is output with each message */
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#define LogMAXCONF (18)
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#define LogWARN (19) /* Sent to VarTerm else syslog(LOG_WARNING, ) */
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#define LogERROR (20) /* syslog(LOG_ERR, ....), + sent to VarTerm */
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#define LogALERT (21) /* syslog(LOG_ALERT, ....) */
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#define LogMAX (21)
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struct mbuf;
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struct cmdargs;
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struct prompt;
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struct server;
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struct datalink;
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/* The first int arg for all of the following is one of the above values */
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extern const char *log_Name(int);
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extern void log_Keep(int);
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extern void log_KeepLocal(int, u_long *);
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extern void log_Discard(int);
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extern void log_DiscardLocal(int, u_long *);
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extern void log_DiscardAll(void);
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extern void log_DiscardAllLocal(u_long *);
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#define LOG_KEPT_SYSLOG (1) /* Results of log_IsKept() */
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#define LOG_KEPT_LOCAL (2) /* Results of log_IsKept() */
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extern int log_IsKept(int);
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extern int log_IsKeptLocal(int, u_long);
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extern void log_Open(const char *);
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extern void log_SetTun(int);
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extern void log_Close(void);
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#ifdef __GNUC__
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extern void log_Printf(int, const char *,...)
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__attribute__ ((format (printf, 2, 3)));
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extern void log_WritePrompts(struct datalink *, const char *, ...)
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__attribute__ ((format (printf, 2, 3)));
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#else
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extern void log_Printf(int, const char *,...);
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extern void log_WritePrompts(struct datalink *, const char *, ...);
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#endif
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extern void log_DumpBp(int, const char *, const struct mbuf *);
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extern void log_DumpBuff(int, const char *, const u_char *, int);
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extern int log_ShowLevel(struct cmdargs const *);
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extern int log_SetLevel(struct cmdargs const *);
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extern int log_ShowWho(struct cmdargs const *);
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extern int log_PromptListChanged;
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extern void log_RegisterPrompt(struct prompt *);
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extern void log_UnRegisterPrompt(struct prompt *);
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extern void log_DestroyPrompts(struct server *);
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extern void log_DisplayPrompts(void);
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extern void log_ActivatePrompt(struct prompt *);
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extern void log_DeactivatePrompt(struct prompt *);
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extern void log_SetTtyCommandMode(struct datalink *);
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extern struct prompt *log_PromptList(void);
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