*/
#ifndef lint
-static char rcsid[] = "$Id: chap.c,v 1.1 1993/11/11 03:54:25 paulus Exp $";
+static char rcsid[] = "$Id: chap.c,v 1.2 1994/04/11 07:13:44 paulus Exp $";
#endif
/*
++cstate->resp_transmits;
}
+/*
+ * ChapPrintPkt - print the contents of a CHAP packet.
+ */
+char *ChapCodenames[] = {
+ "Challenge", "Response", "Success", "Failure"
+};
+
+int
+ChapPrintPkt(p, plen, printer, arg)
+ u_char *p;
+ int plen;
+ void (*printer) __ARGS((void *, char *, ...));
+ void *arg;
+{
+ int code, id, len;
+ int clen, nlen;
+ u_char x;
+
+ if (plen < CHAP_HEADERLEN)
+ return 0;
+ GETCHAR(code, p);
+ GETCHAR(id, p);
+ GETSHORT(len, p);
+ if (len < CHAP_HEADERLEN || len > plen)
+ return 0;
+
+ if (code >= 1 && code <= sizeof(ChapCodenames) / sizeof(char *))
+ printer(arg, " %s", ChapCodenames[code-1]);
+ else
+ printer(arg, " code=0x%x", code);
+ printer(arg, " id=0x%x", id);
+ len -= CHAP_HEADERLEN;
+ switch (code) {
+ case CHAP_CHALLENGE:
+ case CHAP_RESPONSE:
+ if (len < 1)
+ break;
+ clen = p[0];
+ if (len < clen + 1)
+ break;
+ ++p;
+ nlen = len - clen - 1;
+ printer(arg, " <");
+ for (; clen > 0; --clen) {
+ GETCHAR(x, p);
+ printer(arg, "%.2x", x);
+ }
+ printer(arg, ">, name = ");
+ print_string((char *)p, nlen, printer, arg);
+ break;
+ case CHAP_FAILURE:
+ case CHAP_SUCCESS:
+ printer(arg, " ");
+ print_string((char *)p, len, printer, arg);
+ break;
+ default:
+ for (clen = len; clen > 0; --clen) {
+ GETCHAR(x, p);
+ printer(arg, " %.2x", x);
+ }
+ }
+
+ return len + CHAP_HEADERLEN;
+}
+
#ifdef NO_DRAND48
double drand48()
/*
* chap.h - Cryptographic Handshake Authentication Protocol definitions.
- * based on November 1991 draft of PPP Authentication RFC
*
* Copyright (c) 1991 Gregory M. Christy
* All rights reserved.
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
- * $Id: chap.h,v 1.1 1993/11/11 03:54:25 paulus Exp $
+ * $Id: chap.h,v 1.2 1994/04/11 07:13:44 paulus Exp $
*/
#ifndef __CHAP_INCLUDE__
/* Code + ID + length */
-#define CHAP_HEADERLEN (sizeof (u_char) + sizeof (u_char) + sizeof (u_short))
+#define CHAP_HEADERLEN 4
/*
* CHAP codes.
void ChapLowerDown __ARGS((int));
void ChapInput __ARGS((int, u_char *, int));
void ChapProtocolReject __ARGS((int));
+int ChapPrintPkt __ARGS((u_char *, int,
+ void (*) __ARGS((void *, char *, ...)), void *));
#define __CHAP_INCLUDE__
#endif /* __CHAP_INCLUDE__ */
*/
#ifndef lint
-static char rcsid[] = "$Id: lcp.c,v 1.1 1993/11/11 03:54:25 paulus Exp $";
+static char rcsid[] = "$Id: lcp.c,v 1.2 1994/04/11 07:13:44 paulus Exp $";
#endif
/*
link_terminated(f->unit);
}
+
+/*
+ * lcp_printpkt - print the contents of an LCP packet.
+ */
+char *lcp_codenames[] = {
+ "ConfReq", "ConfAck", "ConfNak", "ConfRej",
+ "TermReq", "TermAck", "CodeRej", "ProtRej",
+ "EchoReq", "EchoRep", "DiscReq"
+};
+
+int
+lcp_printpkt(p, plen, printer, arg)
+ u_char *p;
+ int plen;
+ void (*printer) __ARGS((void *, char *, ...));
+ void *arg;
+{
+ int code, id, len, olen;
+ u_char *pstart, *optend;
+ u_short cishort;
+ u_long cilong;
+
+ if (plen < HEADERLEN)
+ return 0;
+ pstart = p;
+ GETCHAR(code, p);
+ GETCHAR(id, p);
+ GETSHORT(len, p);
+ if (len < HEADERLEN || len > plen)
+ return 0;
+
+ if (code >= 1 && code <= sizeof(lcp_codenames) / sizeof(char *))
+ printer(arg, " %s", lcp_codenames[code-1]);
+ else
+ printer(arg, " code=0x%x", code);
+ printer(arg, " id=0x%x", id);
+ len -= HEADERLEN;
+ switch (code) {
+ case CONFREQ:
+ case CONFACK:
+ case CONFNAK:
+ case CONFREJ:
+ /* print option list */
+ while (len >= 2) {
+ GETCHAR(code, p);
+ GETCHAR(olen, p);
+ p -= 2;
+ if (olen < 2 || olen > len) {
+ break;
+ }
+ printer(arg, " <");
+ len -= olen;
+ optend = p + olen;
+ switch (code) {
+ case CI_MRU:
+ if (olen == CILEN_SHORT) {
+ p += 2;
+ GETSHORT(cishort, p);
+ printer(arg, "mru %d", cishort);
+ }
+ break;
+ case CI_ASYNCMAP:
+ if (olen == CILEN_LONG) {
+ p += 2;
+ GETLONG(cilong, p);
+ printer(arg, "asyncmap 0x%x", cilong);
+ }
+ break;
+ case CI_AUTHTYPE:
+ if (olen >= CILEN_SHORT) {
+ p += 2;
+ printer(arg, "auth ");
+ GETSHORT(cishort, p);
+ switch (cishort) {
+ case UPAP:
+ printer(arg, "upap");
+ break;
+ case CHAP:
+ printer(arg, "chap");
+ break;
+ default:
+ printer(arg, "0x%x", cishort);
+ }
+ }
+ break;
+ case CI_QUALITY:
+ if (olen >= CILEN_SHORT) {
+ p += 2;
+ printer(arg, "quality ");
+ GETSHORT(cishort, p);
+ switch (cishort) {
+ case LQR:
+ printer(arg, "lqr");
+ break;
+ default:
+ printer(arg, "0x%x", cishort);
+ }
+ }
+ break;
+ case CI_MAGICNUMBER:
+ if (olen == CILEN_LONG) {
+ p += 2;
+ GETLONG(cilong, p);
+ printer(arg, "magic 0x%x", cilong);
+ }
+ break;
+ case CI_PCOMPRESSION:
+ if (olen == CILEN_VOID) {
+ p += 2;
+ printer(arg, "pcomp");
+ }
+ break;
+ case CI_ACCOMPRESSION:
+ if (olen == CILEN_VOID) {
+ p += 2;
+ printer(arg, "accomp");
+ }
+ break;
+ }
+ while (p < optend) {
+ GETCHAR(code, p);
+ printer(arg, " %.2x", code);
+ }
+ printer(arg, ">");
+ }
+ break;
+ }
+
+ /* print the rest of the bytes in the packet */
+ for (; len > 0; --len) {
+ GETCHAR(code, p);
+ printer(arg, " %.2x", code);
+ }
+
+ return p - pstart;
+}
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
- * $Id: lcp.h,v 1.1 1993/11/11 03:54:25 paulus Exp $
+ * $Id: lcp.h,v 1.2 1994/04/11 07:13:44 paulus Exp $
*/
/*
#define CI_AUTHTYPE 3 /* Authentication Type */
#define CI_QUALITY 4 /* Quality Protocol */
#define CI_MAGICNUMBER 5 /* Magic Number */
-#define CI_KEEPALIVE 6 /* Keep Alive Parameters - OBSOLETE */
#define CI_PCOMPRESSION 7 /* Protocol Field Compression */
#define CI_ACCOMPRESSION 8 /* Address/Control Field Compression */
+/*
+ * LCP-specific packet types.
+ */
+#define PROTREJ 8 /* Protocol Reject */
+#define ECHOREQ 9 /* Echo Request */
+#define ECHOREP 10 /* Echo Reply */
+#define DISCREQ 11 /* Discard Request */
/*
* The state of options is described by an lcp_options structure.
void lcp_input __ARGS((int, u_char *, int));
void lcp_protrej __ARGS((int));
void lcp_sprotrej __ARGS((int, u_char *, int));
+int lcp_printpkt __ARGS((u_char *, int,
+ void (*) __ARGS((void *, char *, ...)), void *));
extern int lcp_warnloops; /* Warn about a loopback this often */
#define DEFWARNLOOPS 10 /* Default value for above */
*/
#ifndef lint
-static char rcsid[] = "$Id: upap.c,v 1.1 1993/11/11 03:54:25 paulus Exp $";
+static char rcsid[] = "$Id: upap.c,v 1.2 1994/04/11 07:13:44 paulus Exp $";
#endif
/*
return;
}
GETCHAR(ruserlen, inp);
- len -= sizeof (u_char) + ruserlen + sizeof (u_char);;
+ len -= sizeof (u_char) + ruserlen + sizeof (u_char);
if (len < 0) {
UPAPDEBUG((LOG_INFO, "upap_rauth: rcvd short packet."));
return;
UPAPDEBUG((LOG_INFO, "upap_sresp: Sent code %d, id %d.", code, id));
}
+
+/*
+ * upap_printpkt - print the contents of a PAP packet.
+ */
+char *upap_codenames[] = {
+ "AuthReq", "AuthAck", "AuthNak"
+};
+
+int
+upap_printpkt(p, plen, printer, arg)
+ u_char *p;
+ int plen;
+ void (*printer) __ARGS((void *, char *, ...));
+ void *arg;
+{
+ int code, id, len;
+ int mlen, ulen, wlen;
+ char *user, *pwd, *msg;
+ u_char *pstart;
+
+ if (plen < UPAP_HEADERLEN)
+ return 0;
+ pstart = p;
+ GETCHAR(code, p);
+ GETCHAR(id, p);
+ GETSHORT(len, p);
+ if (len < UPAP_HEADERLEN || len > plen)
+ return 0;
+
+ if (code >= 1 && code <= sizeof(upap_codenames) / sizeof(char *))
+ printer(arg, " %s", upap_codenames[code-1]);
+ else
+ printer(arg, " code=0x%x", code);
+ printer(arg, " id=0x%x", id);
+ len -= UPAP_HEADERLEN;
+ switch (code) {
+ case UPAP_AUTHREQ:
+ if (len < 1)
+ break;
+ ulen = p[0];
+ if (len < ulen + 2)
+ break;
+ wlen = p[ulen + 1];
+ if (len < ulen + wlen + 2)
+ break;
+ user = (char *) (p + 1);
+ pwd = (char *) (p + ulen + 2);
+ p += ulen + wlen + 2;
+ len -= ulen + wlen + 2;
+ printer(arg, " user=");
+ print_string(user, ulen, printer, arg);
+ printer(arg, " password=");
+ print_string(pwd, wlen, printer, arg);
+ break;
+ case UPAP_AUTHACK:
+ case UPAP_AUTHNAK:
+ if (len < 1)
+ break;
+ mlen = p[0];
+ if (len < mlen + 1)
+ break;
+ msg = (char *) (p + 1);
+ p += mlen + 1;
+ len -= mlen + 1;
+ printer(arg, "msg=");
+ print_string(msg, mlen, printer, arg);
+ break;
+ }
+
+ /* print the rest of the bytes in the packet */
+ for (; len > 0; --len) {
+ GETCHAR(code, p);
+ printer(arg, " %.2x", code);
+ }
+
+ return p - pstart;
+}
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
- * $Id: upap.h,v 1.1 1993/11/11 03:54:25 paulus Exp $
+ * $Id: upap.h,v 1.2 1994/04/11 07:13:44 paulus Exp $
*/
/*
void upap_lowerdown __ARGS((int));
void upap_input __ARGS((int, u_char *, int));
void upap_protrej __ARGS((int));
+int upap_printpkt __ARGS((u_char *, int,
+ void (*) __ARGS((void *, char *, ...)), void *));
projects / ppp.git / commitdiff