2 * Redistribution and use in source and binary forms, with or without
3 * modification, are permitted provided that: (1) source code
4 * distributions retain the above copyright notice and this paragraph
5 * in its entirety, and (2) distributions including binary code include
6 * the above copyright notice and this paragraph in its entirety in
7 * the documentation or other materials provided with the distribution.
8 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
9 * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
10 * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
11 * FOR A PARTICULAR PURPOSE.
14 /* \summary: Secure Shell (SSH) printer */
20 #include "netdissect-stdinc.h"
21 #include "netdissect-ctype.h"
23 #include "netdissect.h"
27 ssh_print_version(netdissect_options *ndo, const u_char *pptr, u_int len)
31 if ( GET_U_1(pptr+idx) != 'S' )
34 if ( GET_U_1(pptr+idx) != 'S' )
37 if ( GET_U_1(pptr+idx) != 'H' )
40 if ( GET_U_1(pptr+idx) != '-' )
47 c = GET_U_1(pptr + idx);
50 * LF without CR; end of line.
51 * Skip the LF and print the line, with the
52 * exception of the LF.
55 } else if (c == '\r') {
58 /* not in this packet */
61 if (GET_U_1(pptr + idx + 1) == '\n') {
64 * Skip the CR-LF and print the line, with
65 * the exception of the CR-LF.
71 * CR followed by something else; treat this as
72 * if it were binary data and don't print it.
75 } else if (!ND_ASCII_ISPRINT(c) ) {
77 * Not a printable ASCII character; treat this
78 * as if it were binary data and don't print it.
88 nd_print_protocol_caps(ndo);
89 ND_PRINT(": %.*s", (int)idx, pptr);
94 ssh_print(netdissect_options *ndo, const u_char *pptr, u_int len)
96 ndo->ndo_protocol = "ssh";
98 ssh_print_version(ndo, pptr, len);