summaryrefslogtreecommitdiffstats
path: root/mdk-stage1/ppp/pppdump/pppdump.c
diff options
context:
space:
mode:
Diffstat (limited to 'mdk-stage1/ppp/pppdump/pppdump.c')
-rw-r--r--mdk-stage1/ppp/pppdump/pppdump.c502
1 files changed, 0 insertions, 502 deletions
diff --git a/mdk-stage1/ppp/pppdump/pppdump.c b/mdk-stage1/ppp/pppdump/pppdump.c
deleted file mode 100644
index a8e69d4bf..000000000
--- a/mdk-stage1/ppp/pppdump/pppdump.c
+++ /dev/null
@@ -1,502 +0,0 @@
-/*
- * pppdump - print out the contents of a record file generated by
- * pppd in readable form.
- *
- * Copyright (C) 1999 Paul Mackerras. All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms. The name of the author
- * may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-#include <stdio.h>
-#include <unistd.h>
-#include <time.h>
-#include <sys/types.h>
-#include "ppp_defs.h"
-#include "ppp-comp.h"
-
-int hexmode;
-int pppmode;
-int reverse;
-int decompress;
-int mru = 1500;
-int abs_times;
-time_t start_time;
-int start_time_tenths;
-int tot_sent, tot_rcvd;
-
-extern int optind;
-extern char *optarg;
-
-main(ac, av)
- int ac;
- char **av;
-{
- int i;
- char *p;
- FILE *f;
-
- while ((i = getopt(ac, av, "hprdm:a")) != -1) {
- switch (i) {
- case 'h':
- hexmode = 1;
- break;
- case 'p':
- pppmode = 1;
- break;
- case 'r':
- reverse = 1;
- break;
- case 'd':
- decompress = 1;
- break;
- case 'm':
- mru = atoi(optarg);
- break;
- case 'a':
- abs_times = 1;
- break;
- default:
- fprintf(stderr, "Usage: %s [-h | -p[d]] [-r] [-m mru] [-a] [file ...]\n", av[0]);
- exit(1);
- }
- }
- if (optind >= ac)
- dumplog(stdin);
- else {
- for (i = optind; i < ac; ++i) {
- p = av[i];
- if ((f = fopen(p, "r")) == NULL) {
- perror(p);
- exit(1);
- }
- if (pppmode)
- dumpppp(f);
- else
- dumplog(f);
- fclose(f);
- }
- }
- exit(0);
-}
-
-dumplog(f)
- FILE *f;
-{
- int c, n, k, col;
- int nb, c2;
- unsigned char buf[16];
-
- while ((c = getc(f)) != EOF) {
- switch (c) {
- case 1:
- case 2:
- if (reverse)
- c = 3 - c;
- printf("%s %c", c==1? "sent": "rcvd", hexmode? ' ': '"');
- col = 6;
- n = getc(f);
- n = (n << 8) + getc(f);
- *(c==1? &tot_sent: &tot_rcvd) += n;
- nb = 0;
- for (; n > 0; --n) {
- c = getc(f);
- if (c == EOF) {
- printf("\nEOF\n");
- exit(0);
- }
- if (hexmode) {
- if (nb >= 16) {
- printf(" ");
- for (k = 0; k < nb; ++k) {
- c2 = buf[k];
- putchar((' ' <= c2 && c2 <= '~')? c2: '.');
- }
- printf("\n ");
- nb = 0;
- }
- buf[nb++] = c;
- printf(" %.2x", c);
- } else {
- k = (' ' <= c && c <= '~')? (c != '\\' && c != '"')? 1: 2: 3;
- if ((col += k) >= 78) {
- printf("\n ");
- col = 6 + k;
- }
- switch (k) {
- case 1:
- putchar(c);
- break;
- case 2:
- printf("\\%c", c);
- break;
- case 3:
- printf("\\%.2x", c);
- break;
- }
- }
- }
- if (hexmode) {
- for (k = nb; k < 16; ++k)
- printf(" ");
- printf(" ");
- for (k = 0; k < nb; ++k) {
- c2 = buf[k];
- putchar((' ' <= c2 && c2 <= '~')? c2: '.');
- }
- } else
- putchar('"');
- printf("\n");
- break;
- case 3:
- case 4:
- printf("end %s\n", c==3? "send": "recv");
- break;
- case 5:
- case 6:
- case 7:
- show_time(f, c);
- break;
- default:
- printf("?%.2x\n");
- }
- }
-}
-
-/*
- * FCS lookup table as calculated by genfcstab.
- */
-static u_short fcstab[256] = {
- 0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf,
- 0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7,
- 0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e,
- 0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876,
- 0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd,
- 0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5,
- 0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c,
- 0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974,
- 0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb,
- 0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3,
- 0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a,
- 0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72,
- 0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9,
- 0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1,
- 0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738,
- 0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70,
- 0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7,
- 0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff,
- 0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036,
- 0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e,
- 0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5,
- 0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd,
- 0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134,
- 0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c,
- 0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3,
- 0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb,
- 0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232,
- 0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a,
- 0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1,
- 0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9,
- 0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330,
- 0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78
-};
-
-struct pkt {
- int cnt;
- int esc;
- int flags;
- struct compressor *comp;
- void *state;
- unsigned char buf[8192];
-} spkt, rpkt;
-
-/* Values for flags */
-#define CCP_ISUP 1
-#define CCP_ERROR 2
-#define CCP_FATALERROR 4
-#define CCP_ERR (CCP_ERROR | CCP_FATALERROR)
-#define CCP_DECOMP_RUN 8
-
-unsigned char dbuf[8192];
-
-dumpppp(f)
- FILE *f;
-{
- int c, n, k;
- int nb, nl, dn, proto, rv;
- char *dir, *q;
- unsigned char *p, *r, *endp;
- unsigned char *d;
- unsigned short fcs;
- struct pkt *pkt;
-
- spkt.cnt = rpkt.cnt = 0;
- spkt.esc = rpkt.esc = 0;
- while ((c = getc(f)) != EOF) {
- switch (c) {
- case 1:
- case 2:
- if (reverse)
- c = 3 - c;
- dir = c==1? "sent": "rcvd";
- pkt = c==1? &spkt: &rpkt;
- n = getc(f);
- n = (n << 8) + getc(f);
- *(c==1? &tot_sent: &tot_rcvd) += n;
- for (; n > 0; --n) {
- c = getc(f);
- switch (c) {
- case EOF:
- printf("\nEOF\n");
- if (spkt.cnt > 0)
- printf("[%d bytes in incomplete send packet]\n",
- spkt.cnt);
- if (rpkt.cnt > 0)
- printf("[%d bytes in incomplete recv packet]\n",
- rpkt.cnt);
- exit(0);
- case '~':
- if (pkt->cnt > 0) {
- q = dir;
- if (pkt->esc) {
- printf("%s aborted packet:\n ", dir);
- q = " ";
- }
- nb = pkt->cnt;
- p = pkt->buf;
- pkt->cnt = 0;
- pkt->esc = 0;
- if (nb <= 2) {
- printf("%s short packet [%d bytes]:", q, nb);
- for (k = 0; k < nb; ++k)
- printf(" %.2x", p[k]);
- printf("\n");
- break;
- }
- fcs = PPP_INITFCS;
- for (k = 0; k < nb; ++k)
- fcs = PPP_FCS(fcs, p[k]);
- fcs &= 0xFFFF;
- nb -= 2;
- endp = p + nb;
- r = p;
- if (r[0] == 0xff && r[1] == 3)
- r += 2;
- if ((r[0] & 1) == 0)
- ++r;
- ++r;
- if (endp - r > mru)
- printf(" ERROR: length (%d) > MRU (%d)\n",
- endp - r, mru);
- if (decompress && fcs == PPP_GOODFCS) {
- /* See if this is a CCP or compressed packet */
- d = dbuf;
- r = p;
- if (r[0] == 0xff && r[1] == 3) {
- *d++ = *r++;
- *d++ = *r++;
- }
- proto = r[0];
- if ((proto & 1) == 0)
- proto = (proto << 8) + r[1];
- if (proto == PPP_CCP) {
- handle_ccp(pkt, r + 2, endp - r - 2);
- } else if (proto == PPP_COMP) {
- if ((pkt->flags & CCP_ISUP)
- && (pkt->flags & CCP_DECOMP_RUN)
- && pkt->state
- && (pkt->flags & CCP_ERR) == 0) {
- rv = pkt->comp->decompress(pkt->state, r,
- endp - r, d, &dn);
- switch (rv) {
- case DECOMP_OK:
- p = dbuf;
- nb = d + dn - p;
- if ((d[0] & 1) == 0)
- --dn;
- --dn;
- if (dn > mru)
- printf(" ERROR: decompressed length (%d) > MRU (%d)\n", dn, mru);
- break;
- case DECOMP_ERROR:
- printf(" DECOMPRESSION ERROR\n");
- pkt->flags |= CCP_ERROR;
- break;
- case DECOMP_FATALERROR:
- printf(" FATAL DECOMPRESSION ERROR\n");
- pkt->flags |= CCP_FATALERROR;
- break;
- }
- }
- } else if (pkt->state
- && (pkt->flags & CCP_DECOMP_RUN)) {
- pkt->comp->incomp(pkt->state, r, endp - r);
- }
- }
- do {
- nl = nb < 16? nb: 16;
- printf("%s ", q);
- for (k = 0; k < nl; ++k)
- printf(" %.2x", p[k]);
- for (; k < 16; ++k)
- printf(" ");
- printf(" ");
- for (k = 0; k < nl; ++k) {
- c = p[k];
- putchar((' ' <= c && c <= '~')? c: '.');
- }
- printf("\n");
- q = " ";
- p += nl;
- nb -= nl;
- } while (nb > 0);
- if (fcs != PPP_GOODFCS)
- printf(" BAD FCS: (residue = %x)\n", fcs);
- }
- break;
- case '}':
- if (!pkt->esc) {
- pkt->esc = 1;
- break;
- }
- /* else fall through */
- default:
- if (pkt->esc) {
- c ^= 0x20;
- pkt->esc = 0;
- }
- pkt->buf[pkt->cnt++] = c;
- break;
- }
- }
- break;
- case 3:
- case 4:
- if (reverse)
- c = 7 - c;
- dir = c==3? "send": "recv";
- pkt = c==3? &spkt: &rpkt;
- printf("end %s", dir);
- if (pkt->cnt > 0)
- printf(" [%d bytes in incomplete packet]", pkt->cnt);
- printf("\n");
- break;
- case 5:
- case 6:
- case 7:
- show_time(f, c);
- break;
- default:
- printf("?%.2x\n");
- }
- }
-}
-
-extern struct compressor ppp_bsd_compress, ppp_deflate;
-
-struct compressor *compressors[] = {
-#if DO_BSD_COMPRESS
- &ppp_bsd_compress,
-#endif
-#if DO_DEFLATE
- &ppp_deflate,
-#endif
- NULL
-};
-
-handle_ccp(cp, dp, len)
- struct pkt *cp;
- u_char *dp;
- int len;
-{
- int clen;
- struct compressor **comp;
-
- if (len < CCP_HDRLEN)
- return;
- clen = CCP_LENGTH(dp);
- if (clen > len)
- return;
-
- switch (CCP_CODE(dp)) {
- case CCP_CONFACK:
- cp->flags &= ~(CCP_DECOMP_RUN | CCP_ISUP);
- if (clen < CCP_HDRLEN + CCP_OPT_MINLEN
- || clen < CCP_HDRLEN + CCP_OPT_LENGTH(dp + CCP_HDRLEN))
- break;
- dp += CCP_HDRLEN;
- clen -= CCP_HDRLEN;
- for (comp = compressors; *comp != NULL; ++comp) {
- if ((*comp)->compress_proto == dp[0]) {
- if (cp->state != NULL) {
- (*cp->comp->decomp_free)(cp->state);
- cp->state = NULL;
- }
- cp->comp = *comp;
- cp->state = (*comp)->decomp_alloc(dp, CCP_OPT_LENGTH(dp));
- cp->flags |= CCP_ISUP;
- if (cp->state != NULL
- && (*cp->comp->decomp_init)
- (cp->state, dp, clen, 0, 0, 8192, 1))
- cp->flags = (cp->flags & ~CCP_ERR) | CCP_DECOMP_RUN;
- break;
- }
- }
- break;
-
- case CCP_CONFNAK:
- case CCP_CONFREJ:
- cp->flags &= ~(CCP_DECOMP_RUN | CCP_ISUP);
- break;
-
- case CCP_RESETACK:
- if (cp->flags & CCP_ISUP) {
- if (cp->state && (cp->flags & CCP_DECOMP_RUN)) {
- (*cp->comp->decomp_reset)(cp->state);
- cp->flags &= ~CCP_ERROR;
- }
- }
- break;
- }
-}
-
-show_time(f, c)
- FILE *f;
- int c;
-{
- time_t t;
- int n;
- struct tm *tm;
-
- if (c == 7) {
- t = getc(f);
- t = (t << 8) + getc(f);
- t = (t << 8) + getc(f);
- t = (t << 8) + getc(f);
- printf("start %s", ctime(&t));
- start_time = t;
- start_time_tenths = 0;
- tot_sent = tot_rcvd = 0;
- } else {
- n = getc(f);
- if (c == 5) {
- for (c = 3; c > 0; --c)
- n = (n << 8) + getc(f);
- }
- if (abs_times) {
- n += start_time_tenths;
- start_time += n / 10;
- start_time_tenths = n % 10;
- tm = localtime(&start_time);
- printf("time %.2d:%.2d:%.2d.%d", tm->tm_hour, tm->tm_min,
- tm->tm_sec, start_time_tenths);
- printf(" (sent %d, rcvd %d)\n", tot_sent, tot_rcvd);
- } else
- printf("time %.1fs\n", (double) n / 10);
- }
-}
generated by cgit v1.2.1 (git 2.21.0) at 2024-05-01 03:10:27 +0000