79 lines
1.7 KiB
C
79 lines
1.7 KiB
C
/*
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* Layer Two Tunnelling Protocol Daemon
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* Copyright (C) 1998 Adtran, Inc.
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* Copyright (C) 2002 Jeff McAdams
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*
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* Mark Spencer
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*
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* This software is distributed under the terms
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* of the GPL, which you should have received
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* along with this source.
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*
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* Misc stuff...
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*/
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#ifndef _MISC_H
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#define _MISC_H
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#include <syslog.h>
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struct tunnel;
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struct buffer
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{
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int type;
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void *rstart;
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void *rend;
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void *start;
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size_t len;
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size_t maxlen;
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#if 0
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unsigned int addr;
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int port;
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#else
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struct sockaddr_in peer;
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#endif
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struct tunnel *tunnel; /* Who owns this packet, if it's a control */
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int retries; /* Again, if a control packet, how many retries? */
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};
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struct ppp_opts
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{
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char option[MAXSTRLEN];
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struct ppp_opts *next;
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};
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#define IPADDY(a) inet_ntoa(*((struct in_addr *)&(a)))
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#define DEBUG c ? c->debug || t->debug : t->debug
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#ifdef USE_SWAPS_INSTEAD
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#define SWAPS(a) ((((a) & 0xFF) << 8 ) | (((a) >> 8) & 0xFF))
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#ifdef htons
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#undef htons
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#endif
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#ifdef ntohs
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#undef htons
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#endif
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#define htons(a) SWAPS(a)
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#define ntohs(a) SWAPS(a)
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#endif
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#define halt() printf("Halted.\n") ; for(;;)
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extern char hostname[];
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extern void l2tp_log (int level, const char *fmt, ...);
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extern struct buffer *new_buf (int);
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extern void udppush_handler (int);
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extern int addfcs (struct buffer *buf);
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extern void swaps (void *, int);
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extern void do_packet_dump (struct buffer *);
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extern void status (const char *fmt, ...);
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extern int getPtyMaster(char *, int);
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extern void do_control (void);
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extern void recycle_buf (struct buffer *);
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extern void safe_copy (char *, char *, int);
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extern void opt_destroy (struct ppp_opts *);
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extern struct ppp_opts *add_opt (struct ppp_opts *, char *, ...);
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extern void process_signal (void);
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#endif
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