diff options
Diffstat (limited to 'print-dhcp6.c')
| -rw-r--r-- | print-dhcp6.c | 70 |
1 files changed, 62 insertions, 8 deletions
diff --git a/print-dhcp6.c b/print-dhcp6.c index 6b0dc21..c196ad7 100644 --- a/print-dhcp6.c +++ b/print-dhcp6.c @@ -43,9 +43,7 @@ * RFC6334: Dual-Stack Lite option, */ -#ifdef HAVE_CONFIG_H #include <config.h> -#endif #include "netdissect-stdinc.h" @@ -121,6 +119,10 @@ struct dhcp6_relay { /* options */ #define DH6OPT_CLIENTID 1 #define DH6OPT_SERVERID 2 +# define DUID_LLT 1 /* RFC8415 */ +# define DUID_EN 2 /* RFC8415 */ +# define DUID_LL 3 /* RFC8415 */ +# define DUID_UUID 4 /* RFC6355 */ #define DH6OPT_IA_NA 3 #define DH6OPT_IA_TA 4 #define DH6OPT_IA_ADDR 5 @@ -188,8 +190,10 @@ struct dhcp6_relay { # define DH6OPT_NTP_SUBOPTION_SRV_ADDR 1 # define DH6OPT_NTP_SUBOPTION_MC_ADDR 2 # define DH6OPT_NTP_SUBOPTION_SRV_FQDN 3 +#define DH6OPT_BOOTFILE_URL 59 /* RFC5970 */ #define DH6OPT_AFTR_NAME 64 #define DH6OPT_MUDURL 112 +#define DH6OPT_SZTP_REDIRECT 136 /* RFC8572 */ static const struct tok dh6opt_str[] = { { DH6OPT_CLIENTID, "client-ID" }, @@ -239,8 +243,10 @@ static const struct tok dh6opt_str[] = { { DH6OPT_LQ_RELAY_DATA, "LQ-relay-data" }, { DH6OPT_LQ_CLIENT_LINK, "LQ-client-link" }, { DH6OPT_NTP_SERVER, "NTP-server" }, + { DH6OPT_BOOTFILE_URL, "Bootfile-URL" }, { DH6OPT_AFTR_NAME, "AFTR-Name" }, { DH6OPT_MUDURL, "MUD-URL" }, + { DH6OPT_SZTP_REDIRECT, "SZTP-redirect" }, { 0, NULL } }; @@ -290,6 +296,8 @@ dhcp6opt_print(netdissect_options *ndo, uint16_t subopt_len; uint8_t dh6_reconf_type; uint8_t dh6_lq_query_type; + u_int first_list_value; + uint16_t remainder_len; if (cp == ep) return; @@ -314,7 +322,7 @@ dhcp6opt_print(netdissect_options *ndo, } tp = (const u_char *)(dh6o + 1); switch (GET_BE_U_2(tp)) { - case 1: + case DUID_LLT: if (optlen >= 2 + 6) { ND_PRINT(" hwaddr/time type %u time %u ", GET_BE_U_2(tp + 2), @@ -329,10 +337,10 @@ dhcp6opt_print(netdissect_options *ndo, ND_PRINT(" ?)"); } break; - case 2: - if (optlen >= 2 + 8) { - ND_PRINT(" vid "); - for (i = 2; i < 2 + 8; i++) + case DUID_EN: + if (optlen >= 2 + 4) { + ND_PRINT(" enterprise %u ", GET_BE_U_4(tp + 2)); + for (i = 2 + 4; i < optlen; i++) ND_PRINT("%02x", GET_U_1(tp + i)); /*(*/ @@ -342,7 +350,7 @@ dhcp6opt_print(netdissect_options *ndo, ND_PRINT(" ?)"); } break; - case 3: + case DUID_LL: if (optlen >= 2 + 2) { ND_PRINT(" hwaddr type %u ", GET_BE_U_2(tp + 2)); @@ -356,6 +364,19 @@ dhcp6opt_print(netdissect_options *ndo, ND_PRINT(" ?)"); } break; + case DUID_UUID: + ND_PRINT(" uuid "); + if (optlen == 2 + 16) { + for (i = 2; i < optlen; i++) + ND_PRINT("%02x", + GET_U_1(tp + i)); + /*(*/ + ND_PRINT(")"); + } else { + /*(*/ + ND_PRINT(" ?)"); + } + break; default: ND_PRINT(" type %u)", GET_BE_U_2(tp)); break; @@ -784,6 +805,39 @@ dhcp6opt_print(netdissect_options *ndo, ND_PRINT(")"); break; + case DH6OPT_BOOTFILE_URL: + tp = (const u_char *)(dh6o + 1); + ND_PRINT(" "); + nd_printjn(ndo, tp, optlen); + ND_PRINT(")"); + break; + + case DH6OPT_SZTP_REDIRECT: + case DH6OPT_USER_CLASS: + ND_PRINT(" "); + tp = (const u_char *)(dh6o + 1); + first_list_value = TRUE; + remainder_len = optlen; + while (remainder_len >= 2) { + if (first_list_value == FALSE) { + ND_PRINT(","); + } + first_list_value = FALSE; + subopt_len = GET_BE_U_2(tp); + if (subopt_len > remainder_len-2) { + break; + } + tp += 2; + nd_printjn(ndo, tp, subopt_len); + tp += subopt_len; + remainder_len -= (subopt_len+2); + } + if (remainder_len != 0 ) { + ND_PRINT(" ?"); + } + ND_PRINT(")"); + break; + default: ND_PRINT(")"); break; |