diff options
Diffstat (limited to 'freebsd/contrib/tcpdump/print-dccp.c')
| -rw-r--r-- | freebsd/contrib/tcpdump/print-dccp.c | 53 |
1 files changed, 46 insertions, 7 deletions
diff --git a/freebsd/contrib/tcpdump/print-dccp.c b/freebsd/contrib/tcpdump/print-dccp.c index 7ad86094..3ba151d6 100644 --- a/freebsd/contrib/tcpdump/print-dccp.c +++ b/freebsd/contrib/tcpdump/print-dccp.c @@ -536,7 +536,8 @@ static const struct tok dccp_option_values[] = { { 0, NULL } }; -static int dccp_print_option(netdissect_options *ndo, const u_char *option, u_int hlen) +static int +dccp_print_option(netdissect_options *ndo, const u_char *option, u_int hlen) { uint8_t optlen, i; @@ -629,16 +630,54 @@ static int dccp_print_option(netdissect_options *ndo, const u_char *option, u_in } break; case 41: - if (optlen == 4) + /* + * 13.1. Timestamp Option + * + * +--------+--------+--------+--------+--------+--------+ + * |00101001|00000110| Timestamp Value | + * +--------+--------+--------+--------+--------+--------+ + * Type=41 Length=6 + */ + if (optlen == 6) ND_PRINT((ndo, " %u", EXTRACT_32BITS(option + 2))); else - ND_PRINT((ndo, " optlen != 4")); + ND_PRINT((ndo, " [optlen != 6]")); break; case 42: - if (optlen == 4) + /* + * 13.3. Timestamp Echo Option + * + * +--------+--------+--------+--------+--------+--------+ + * |00101010|00000110| Timestamp Echo | + * +--------+--------+--------+--------+--------+--------+ + * Type=42 Len=6 + * + * +--------+--------+------- ... -------+--------+--------+ + * |00101010|00001000| Timestamp Echo | Elapsed Time | + * +--------+--------+------- ... -------+--------+--------+ + * Type=42 Len=8 (4 bytes) + * + * +--------+--------+------- ... -------+------- ... -------+ + * |00101010|00001010| Timestamp Echo | Elapsed Time | + * +--------+--------+------- ... -------+------- ... -------+ + * Type=42 Len=10 (4 bytes) (4 bytes) + */ + switch (optlen) { + case 6: ND_PRINT((ndo, " %u", EXTRACT_32BITS(option + 2))); - else - ND_PRINT((ndo, " optlen != 4")); + break; + case 8: + ND_PRINT((ndo, " %u", EXTRACT_32BITS(option + 2))); + ND_PRINT((ndo, " (elapsed time %u)", EXTRACT_16BITS(option + 6))); + break; + case 10: + ND_PRINT((ndo, " %u", EXTRACT_32BITS(option + 2))); + ND_PRINT((ndo, " (elapsed time %u)", EXTRACT_32BITS(option + 6))); + break; + default: + ND_PRINT((ndo, " [optlen != 6 or 8 or 10]")); + break; + } break; case 43: if (optlen == 6) @@ -646,7 +685,7 @@ static int dccp_print_option(netdissect_options *ndo, const u_char *option, u_in else if (optlen == 4) ND_PRINT((ndo, " %u", EXTRACT_16BITS(option + 2))); else - ND_PRINT((ndo, " optlen != 4 or 6")); + ND_PRINT((ndo, " [optlen != 4 or 6]")); break; case 44: if (optlen > 2) { |