* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
+
+/* \summary: IPv6 DHCP printer */
+
/*
* RFC3315: DHCPv6
* supported DHCPv6 options:
* RFC6334: Dual-Stack Lite option,
*/
-#define NETDISSECT_REWORKED
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
-#include <tcpdump-stdinc.h>
+#include <netdissect-stdinc.h>
#include <stdio.h>
#include <string.h>
-#include "interface.h"
+#include "netdissect.h"
#include "addrtoname.h"
#include "extract.h"
#define DH6_LEASEQUERY 14
#define DH6_LQ_REPLY 15
+static const struct tok dh6_msgtype_str[] = {
+ { DH6_SOLICIT, "solicit" },
+ { DH6_ADVERTISE, "advertise" },
+ { DH6_REQUEST, "request" },
+ { DH6_CONFIRM, "confirm" },
+ { DH6_RENEW, "renew" },
+ { DH6_REBIND, "rebind" },
+ { DH6_REPLY, "reply" },
+ { DH6_RELEASE, "release" },
+ { DH6_DECLINE, "decline" },
+ { DH6_RECONFIGURE, "reconfigure" },
+ { DH6_INFORM_REQ, "inf-req" },
+ { DH6_RELAY_FORW, "relay-fwd" },
+ { DH6_RELAY_REPLY, "relay-reply" },
+ { DH6_LEASEQUERY, "leasequery" },
+ { DH6_LQ_REPLY, "leasequery-reply" },
+ { 0, NULL }
+};
+
/* DHCP6 base packet format */
struct dhcp6 {
union {
- u_int8_t m;
- u_int32_t x;
+ nd_uint8_t m;
+ nd_uint32_t x;
} dh6_msgtypexid;
/* options follow */
};
/* DHCPv6 relay messages */
struct dhcp6_relay {
- u_int8_t dh6relay_msgtype;
- u_int8_t dh6relay_hcnt;
- u_int8_t dh6relay_linkaddr[16]; /* XXX: badly aligned */
- u_int8_t dh6relay_peeraddr[16];
+ nd_uint8_t dh6relay_msgtype;
+ nd_uint8_t dh6relay_hcnt;
+ nd_uint8_t dh6relay_linkaddr[16]; /* XXX: badly aligned */
+ nd_uint8_t dh6relay_peeraddr[16];
/* options follow */
};
# define DH6OPT_NTP_SUBOPTION_MC_ADDR 2
# define DH6OPT_NTP_SUBOPTION_SRV_FQDN 3
#define DH6OPT_AFTR_NAME 64
+#define DH6OPT_MUDURL 112
+
+static const struct tok dh6opt_str[] = {
+ { DH6OPT_CLIENTID, "client-ID" },
+ { DH6OPT_SERVERID, "server-ID" },
+ { DH6OPT_IA_NA, "IA_NA" },
+ { DH6OPT_IA_TA, "IA_TA" },
+ { DH6OPT_IA_ADDR, "IA_ADDR" },
+ { DH6OPT_ORO, "option-request" },
+ { DH6OPT_PREFERENCE, "preference" },
+ { DH6OPT_ELAPSED_TIME, "elapsed-time" },
+ { DH6OPT_RELAY_MSG, "relay-message" },
+ { DH6OPT_AUTH, "authentication" },
+ { DH6OPT_UNICAST, "server-unicast" },
+ { DH6OPT_STATUS_CODE, "status-code" },
+ { DH6OPT_RAPID_COMMIT, "rapid-commit" },
+ { DH6OPT_USER_CLASS, "user-class" },
+ { DH6OPT_VENDOR_CLASS, "vendor-class" },
+ { DH6OPT_VENDOR_OPTS, "vendor-specific-info" },
+ { DH6OPT_INTERFACE_ID, "interface-ID" },
+ { DH6OPT_RECONF_MSG, "reconfigure-message" },
+ { DH6OPT_RECONF_ACCEPT, "reconfigure-accept" },
+ { DH6OPT_SIP_SERVER_D, "SIP-servers-domain" },
+ { DH6OPT_SIP_SERVER_A, "SIP-servers-address" },
+ { DH6OPT_DNS_SERVERS, "DNS-server" },
+ { DH6OPT_DOMAIN_LIST, "DNS-search-list" },
+ { DH6OPT_IA_PD, "IA_PD" },
+ { DH6OPT_IA_PD_PREFIX, "IA_PD-prefix" },
+ { DH6OPT_SNTP_SERVERS, "SNTP-servers" },
+ { DH6OPT_LIFETIME, "lifetime" },
+ { DH6OPT_NIS_SERVERS, "NIS-server" },
+ { DH6OPT_NISP_SERVERS, "NIS+-server" },
+ { DH6OPT_NIS_NAME, "NIS-domain-name" },
+ { DH6OPT_NISP_NAME, "NIS+-domain-name" },
+ { DH6OPT_BCMCS_SERVER_D, "BCMCS-domain-name" },
+ { DH6OPT_BCMCS_SERVER_A, "BCMCS-server" },
+ { DH6OPT_GEOCONF_CIVIC, "Geoconf-Civic" },
+ { DH6OPT_REMOTE_ID, "Remote-ID" },
+ { DH6OPT_SUBSCRIBER_ID, "Subscriber-ID" },
+ { DH6OPT_CLIENT_FQDN, "Client-FQDN" },
+ { DH6OPT_PANA_AGENT, "PANA-agent" },
+ { DH6OPT_NEW_POSIX_TIMEZONE, "POSIX-timezone" },
+ { DH6OPT_NEW_TZDB_TIMEZONE, "POSIX-tz-database" },
+ { DH6OPT_ERO, "Echo-request-option" },
+ { DH6OPT_LQ_QUERY, "Lease-query" },
+ { DH6OPT_CLIENT_DATA, "LQ-client-data" },
+ { DH6OPT_CLT_TIME, "Clt-time" },
+ { DH6OPT_LQ_RELAY_DATA, "LQ-relay-data" },
+ { DH6OPT_LQ_CLIENT_LINK, "LQ-client-link" },
+ { DH6OPT_NTP_SERVER, "NTP-server" },
+ { DH6OPT_AFTR_NAME, "AFTR-Name" },
+ { DH6OPT_MUDURL, "MUD-URL" },
+ { 0, NULL }
+};
+
+static const struct tok dh6opt_stcode_str[] = {
+ { DH6OPT_STCODE_SUCCESS, "Success" }, /* RFC3315 */
+ { DH6OPT_STCODE_UNSPECFAIL, "UnspecFail" }, /* RFC3315 */
+ { DH6OPT_STCODE_NOADDRAVAIL, "NoAddrsAvail" }, /* RFC3315 */
+ { DH6OPT_STCODE_NOBINDING, "NoBinding" }, /* RFC3315 */
+ { DH6OPT_STCODE_NOTONLINK, "NotOnLink" }, /* RFC3315 */
+ { DH6OPT_STCODE_USEMULTICAST, "UseMulticast" }, /* RFC3315 */
+ { DH6OPT_STCODE_NOPREFIXAVAIL, "NoPrefixAvail" }, /* RFC3633 */
+ { DH6OPT_STCODE_UNKNOWNQUERYTYPE, "UnknownQueryType" }, /* RFC5007 */
+ { DH6OPT_STCODE_MALFORMEDQUERY, "MalformedQuery" }, /* RFC5007 */
+ { DH6OPT_STCODE_NOTCONFIGURED, "NotConfigured" }, /* RFC5007 */
+ { DH6OPT_STCODE_NOTALLOWED, "NotAllowed" }, /* RFC5007 */
+ { 0, NULL }
+};
struct dhcp6opt {
- u_int16_t dh6opt_type;
- u_int16_t dh6opt_len;
+ nd_uint16_t dh6opt_type;
+ nd_uint16_t dh6opt_len;
/* type-dependent data follows */
};
static const char *
-dhcp6opt_name(int type)
+dhcp6stcode(const uint16_t code)
{
- static char genstr[sizeof("opt_65535") + 1]; /* XXX thread unsafe */
-
- if (type > 65535)
- return "INVALID-option";
-
- switch(type) {
- case DH6OPT_CLIENTID:
- return "client-ID";
- case DH6OPT_SERVERID:
- return "server-ID";
- case DH6OPT_IA_NA:
- return "IA_NA";
- case DH6OPT_IA_TA:
- return "IA_TA";
- case DH6OPT_IA_ADDR:
- return "IA_ADDR";
- case DH6OPT_ORO:
- return "option-request";
- case DH6OPT_PREFERENCE:
- return "preference";
- case DH6OPT_ELAPSED_TIME:
- return "elapsed-time";
- case DH6OPT_RELAY_MSG:
- return "relay-message";
- case DH6OPT_AUTH:
- return "authentication";
- case DH6OPT_UNICAST:
- return "server-unicast";
- case DH6OPT_STATUS_CODE:
- return "status-code";
- case DH6OPT_RAPID_COMMIT:
- return "rapid-commit";
- case DH6OPT_USER_CLASS:
- return "user-class";
- case DH6OPT_VENDOR_CLASS:
- return "vendor-class";
- case DH6OPT_VENDOR_OPTS:
- return "vendor-specific-info";
- case DH6OPT_INTERFACE_ID:
- return "interface-ID";
- case DH6OPT_RECONF_MSG:
- return "reconfigure-message";
- case DH6OPT_RECONF_ACCEPT:
- return "reconfigure-accept";
- case DH6OPT_SIP_SERVER_D:
- return "SIP-servers-domain";
- case DH6OPT_SIP_SERVER_A:
- return "SIP-servers-address";
- case DH6OPT_DNS_SERVERS:
- return "DNS-server";
- case DH6OPT_DOMAIN_LIST:
- return "DNS-search-list";
- case DH6OPT_IA_PD:
- return "IA_PD";
- case DH6OPT_IA_PD_PREFIX:
- return "IA_PD-prefix";
- case DH6OPT_SNTP_SERVERS:
- return "SNTP-servers";
- case DH6OPT_LIFETIME:
- return "lifetime";
- case DH6OPT_NIS_SERVERS:
- return "NIS-server";
- case DH6OPT_NISP_SERVERS:
- return "NIS+-server";
- case DH6OPT_NIS_NAME:
- return "NIS-domain-name";
- case DH6OPT_NISP_NAME:
- return "NIS+-domain-name";
- case DH6OPT_BCMCS_SERVER_D:
- return "BCMCS-domain-name";
- case DH6OPT_BCMCS_SERVER_A:
- return "BCMCS-server";
- case DH6OPT_GEOCONF_CIVIC:
- return "Geoconf-Civic";
- case DH6OPT_REMOTE_ID:
- return "Remote-ID";
- case DH6OPT_SUBSCRIBER_ID:
- return "Subscriber-ID";
- case DH6OPT_CLIENT_FQDN:
- return "Client-FQDN";
- case DH6OPT_PANA_AGENT:
- return "PANA-agent";
- case DH6OPT_NEW_POSIX_TIMEZONE:
- return "POSIX-timezone";
- case DH6OPT_NEW_TZDB_TIMEZONE:
- return "POSIX-tz-database";
- case DH6OPT_ERO:
- return "Echo-request-option";
- case DH6OPT_LQ_QUERY:
- return "Lease-query";
- case DH6OPT_CLIENT_DATA:
- return "LQ-client-data";
- case DH6OPT_CLT_TIME:
- return "Clt-time";
- case DH6OPT_LQ_RELAY_DATA:
- return "LQ-relay-data";
- case DH6OPT_LQ_CLIENT_LINK:
- return "LQ-client-link";
- case DH6OPT_NTP_SERVER:
- return "NTP-server";
- case DH6OPT_AFTR_NAME:
- return "AFTR-Name";
- default:
- snprintf(genstr, sizeof(genstr), "opt_%d", type);
- return(genstr);
- }
-}
-
-static const char *
-dhcp6stcode(int code)
-{
- static char genstr[sizeof("code255") + 1]; /* XXX thread unsafe */
-
- if (code > 255)
- return "INVALID code";
-
- switch(code) {
- case DH6OPT_STCODE_SUCCESS:
- return "success";
- case DH6OPT_STCODE_UNSPECFAIL:
- return "unspec failure";
- case DH6OPT_STCODE_NOADDRAVAIL:
- return "no addresses";
- case DH6OPT_STCODE_NOBINDING:
- return "no binding";
- case DH6OPT_STCODE_NOTONLINK:
- return "not on-link";
- case DH6OPT_STCODE_USEMULTICAST:
- return "use multicast";
- case DH6OPT_STCODE_NOPREFIXAVAIL:
- return "no prefixes";
- case DH6OPT_STCODE_UNKNOWNQUERYTYPE:
- return "unknown query type";
- case DH6OPT_STCODE_MALFORMEDQUERY:
- return "malformed query";
- case DH6OPT_STCODE_NOTCONFIGURED:
- return "not configured";
- case DH6OPT_STCODE_NOTALLOWED:
- return "not allowed";
- default:
- snprintf(genstr, sizeof(genstr), "code%d", code);
- return(genstr);
- }
+ return code > 255 ? "INVALID code" : tok2str(dh6opt_stcode_str, "code%u", code);
}
static void
const struct dhcp6opt *dh6o;
const u_char *tp;
size_t i;
- u_int16_t opttype;
+ uint16_t opttype;
size_t optlen;
- u_int8_t auth_proto;
+ uint8_t auth_proto;
u_int authinfolen, authrealmlen;
int remain_len; /* Length of remaining options */
int label_len; /* Label length */
- u_int16_t subopt_code;
- u_int16_t subopt_len;
+ uint16_t subopt_code;
+ uint16_t subopt_len;
if (cp == ep)
return;
while (cp < ep) {
if (ep < cp + sizeof(*dh6o))
goto trunc;
- dh6o = (struct dhcp6opt *)cp;
+ dh6o = (const struct dhcp6opt *)cp;
ND_TCHECK(*dh6o);
optlen = EXTRACT_16BITS(&dh6o->dh6opt_len);
if (ep < cp + sizeof(*dh6o) + optlen)
goto trunc;
opttype = EXTRACT_16BITS(&dh6o->dh6opt_type);
- ND_PRINT((ndo, " (%s", dhcp6opt_name(opttype)));
+ ND_PRINT((ndo, " (%s", tok2str(dh6opt_str, "opt_%u", opttype)));
+ ND_TCHECK2(*(cp + sizeof(*dh6o)), optlen);
switch (opttype) {
case DH6OPT_CLIENTID:
case DH6OPT_SERVERID:
ND_PRINT((ndo, " ?)"));
break;
}
- tp = (u_char *)(dh6o + 1);
+ tp = (const u_char *)(dh6o + 1);
switch (EXTRACT_16BITS(tp)) {
case 1:
if (optlen >= 2 + 6) {
ND_PRINT((ndo, " ?)"));
break;
}
- tp = (u_char *)(dh6o + 1);
- ND_PRINT((ndo, " %s", ip6addr_string(&tp[0])));
+ tp = (const u_char *)(dh6o + 1);
+ ND_PRINT((ndo, " %s", ip6addr_string(ndo, &tp[0])));
ND_PRINT((ndo, " pltime:%u vltime:%u",
EXTRACT_32BITS(&tp[16]),
EXTRACT_32BITS(&tp[20])));
ND_PRINT((ndo, " ?)"));
break;
}
- tp = (u_char *)(dh6o + 1);
+ tp = (const u_char *)(dh6o + 1);
for (i = 0; i < optlen; i += 2) {
ND_PRINT((ndo, " %s",
- dhcp6opt_name(EXTRACT_16BITS(&tp[i]))));
+ tok2str(dh6opt_str, "opt_%u", EXTRACT_16BITS(&tp[i]))));
}
ND_PRINT((ndo, ")"));
break;
ND_PRINT((ndo, " ?)"));
break;
}
- tp = (u_char *)(dh6o + 1);
+ tp = (const u_char *)(dh6o + 1);
ND_PRINT((ndo, " %d)", *tp));
break;
case DH6OPT_ELAPSED_TIME:
ND_PRINT((ndo, " ?)"));
break;
}
- tp = (u_char *)(dh6o + 1);
+ tp = (const u_char *)(dh6o + 1);
ND_PRINT((ndo, " %d)", EXTRACT_16BITS(tp)));
break;
case DH6OPT_RELAY_MSG:
ND_PRINT((ndo, " ("));
- tp = (u_char *)(dh6o + 1);
+ tp = (const u_char *)(dh6o + 1);
dhcp6_print(ndo, tp, optlen);
ND_PRINT((ndo, ")"));
break;
ND_PRINT((ndo, " ?)"));
break;
}
- tp = (u_char *)(dh6o + 1);
+ tp = (const u_char *)(dh6o + 1);
auth_proto = *tp;
switch (auth_proto) {
case DH6OPT_AUTHPROTO_DELAYED:
* Since we cannot predict the encoding, print hex dump
* at most 10 characters.
*/
- tp = (u_char *)(dh6o + 1);
+ tp = (const u_char *)(dh6o + 1);
ND_PRINT((ndo, " "));
for (i = 0; i < optlen && i < 10; i++)
ND_PRINT((ndo, "%02x", tp[i]));
ND_PRINT((ndo, "...)"));
break;
case DH6OPT_RECONF_MSG:
- tp = (u_char *)(dh6o + 1);
+ if (optlen != 1) {
+ ND_PRINT((ndo, " ?)"));
+ break;
+ }
+ tp = (const u_char *)(dh6o + 1);
switch (*tp) {
case DH6_RENEW:
ND_PRINT((ndo, " for renew)"));
ND_PRINT((ndo, " ?)"));
break;
}
- tp = (u_char *)(dh6o + 1);
+ tp = (const u_char *)(dh6o + 1);
for (i = 0; i < optlen; i += 16)
- ND_PRINT((ndo, " %s", ip6addr_string(&tp[i])));
+ ND_PRINT((ndo, " %s", ip6addr_string(ndo, &tp[i])));
ND_PRINT((ndo, ")"));
break;
case DH6OPT_SIP_SERVER_D:
case DH6OPT_DOMAIN_LIST:
- tp = (u_char *)(dh6o + 1);
+ tp = (const u_char *)(dh6o + 1);
while (tp < cp + sizeof(*dh6o) + optlen) {
- putchar(' ');
+ ND_PRINT((ndo, " "));
if ((tp = ns_nprint(ndo, tp, cp + sizeof(*dh6o) + optlen)) == NULL)
goto trunc;
}
ND_PRINT((ndo, " ?)"));
break;
}
- tp = (u_char *)(dh6o + 1);
+ tp = (const u_char *)(dh6o + 1);
ND_PRINT((ndo, " %s)", dhcp6stcode(EXTRACT_16BITS(&tp[0]))));
break;
case DH6OPT_IA_NA:
ND_PRINT((ndo, " ?)"));
break;
}
- tp = (u_char *)(dh6o + 1);
+ tp = (const u_char *)(dh6o + 1);
ND_PRINT((ndo, " IAID:%u T1:%u T2:%u",
EXTRACT_32BITS(&tp[0]),
EXTRACT_32BITS(&tp[4]),
ND_PRINT((ndo, " ?)"));
break;
}
- tp = (u_char *)(dh6o + 1);
+ tp = (const u_char *)(dh6o + 1);
ND_PRINT((ndo, " IAID:%u", EXTRACT_32BITS(tp)));
if (optlen > 4) {
/* there are sub-options */
ND_PRINT((ndo, " ?)"));
break;
}
- tp = (u_char *)(dh6o + 1);
- ND_PRINT((ndo, " %s/%d", ip6addr_string(&tp[9]), tp[8]));
+ tp = (const u_char *)(dh6o + 1);
+ ND_PRINT((ndo, " %s/%d", ip6addr_string(ndo, &tp[9]), tp[8]));
ND_PRINT((ndo, " pltime:%u vltime:%u",
EXTRACT_32BITS(&tp[0]),
EXTRACT_32BITS(&tp[4])));
ND_PRINT((ndo, " ?)"));
break;
}
- tp = (u_char *)(dh6o + 1);
+ tp = (const u_char *)(dh6o + 1);
ND_PRINT((ndo, " %d)", EXTRACT_32BITS(tp)));
break;
case DH6OPT_REMOTE_ID:
ND_PRINT((ndo, " ?)"));
break;
}
- tp = (u_char *)(dh6o + 1);
+ tp = (const u_char *)(dh6o + 1);
ND_PRINT((ndo, " %d ", EXTRACT_32BITS(tp)));
/*
* Print hex dump first 10 characters.
ND_PRINT((ndo, " ?)"));
break;
}
- tp = (u_char *)(dh6o + 1);
+ tp = (const u_char *)(dh6o + 1);
switch (*tp) {
case 1:
ND_PRINT((ndo, " by-address"));
ND_PRINT((ndo, " type_%d", (int)*tp));
break;
}
- ND_PRINT((ndo, " %s", ip6addr_string(&tp[1])));
+ ND_PRINT((ndo, " %s", ip6addr_string(ndo, &tp[1])));
if (optlen > 17) {
/* there are query-options */
dhcp6opt_print(ndo, tp + 17, tp + optlen);
ND_PRINT((ndo, ")"));
break;
case DH6OPT_CLIENT_DATA:
- tp = (u_char *)(dh6o + 1);
+ tp = (const u_char *)(dh6o + 1);
if (optlen > 0) {
/* there are encapsulated options */
dhcp6opt_print(ndo, tp, tp + optlen);
ND_PRINT((ndo, " ?)"));
break;
}
- tp = (u_char *)(dh6o + 1);
- ND_PRINT((ndo, " %s ", ip6addr_string(&tp[0])));
+ tp = (const u_char *)(dh6o + 1);
+ ND_PRINT((ndo, " %s ", ip6addr_string(ndo, &tp[0])));
/*
* Print hex dump first 10 characters.
*/
ND_PRINT((ndo, " ?)"));
break;
}
- tp = (u_char *)(dh6o + 1);
+ tp = (const u_char *)(dh6o + 1);
while (tp < cp + sizeof(*dh6o) + optlen - 4) {
subopt_code = EXTRACT_16BITS(tp);
tp += 2;
ND_PRINT((ndo, " ?"));
break;
}
- ND_PRINT((ndo, " %s", ip6addr_string(&tp[0])));
+ ND_PRINT((ndo, " %s", ip6addr_string(ndo, &tp[0])));
break;
case DH6OPT_NTP_SUBOPTION_SRV_FQDN:
- putchar(' ');
+ ND_PRINT((ndo, " "));
if (ns_nprint(ndo, tp, tp + subopt_len) == NULL)
goto trunc;
break;
ND_PRINT((ndo, " ?)"));
break;
}
- tp = (u_char *)(dh6o + 1);
+ tp = (const u_char *)(dh6o + 1);
remain_len = optlen;
ND_PRINT((ndo, " "));
/* Encoding is described in section 3.1 of RFC 1035 */
while (remain_len && *tp) {
label_len = *tp++;
if (label_len < remain_len - 1) {
- ND_PRINT((ndo, "%.*s", label_len, tp));
+ (void)fn_printn(ndo, tp, label_len, NULL);
tp += label_len;
remain_len -= (label_len + 1);
if(*tp) ND_PRINT((ndo, "."));
}
ND_PRINT((ndo, ")"));
break;
+ case DH6OPT_NEW_POSIX_TIMEZONE: /* all three of these options */
+ case DH6OPT_NEW_TZDB_TIMEZONE: /* are encoded similarly */
+ case DH6OPT_MUDURL: /* although GMT might not work */
+ if (optlen < 5) {
+ ND_PRINT((ndo, " ?)"));
+ break;
+ }
+ tp = (const u_char *)(dh6o + 1);
+ ND_PRINT((ndo, "="));
+ (void)fn_printn(ndo, tp, (u_int)optlen, NULL);
+ ND_PRINT((ndo, ")"));
+ break;
+
default:
ND_PRINT((ndo, ")"));
break;
dhcp6_print(netdissect_options *ndo,
const u_char *cp, u_int length)
{
- struct dhcp6 *dh6;
- struct dhcp6_relay *dh6relay;
+ const struct dhcp6 *dh6;
+ const struct dhcp6_relay *dh6relay;
const u_char *ep;
- u_char *extp;
+ const u_char *extp;
const char *name;
ND_PRINT((ndo, "dhcp6"));
- ep = (u_char *)ndo->ndo_snapend;
+ ep = (const u_char *)ndo->ndo_snapend;
if (cp + length < ep)
ep = cp + length;
- dh6 = (struct dhcp6 *)cp;
- dh6relay = (struct dhcp6_relay *)cp;
+ dh6 = (const struct dhcp6 *)cp;
+ dh6relay = (const struct dhcp6_relay *)cp;
ND_TCHECK(dh6->dh6_xid);
- switch (dh6->dh6_msgtype) {
- case DH6_SOLICIT:
- name = "solicit";
- break;
- case DH6_ADVERTISE:
- name = "advertise";
- break;
- case DH6_REQUEST:
- name = "request";
- break;
- case DH6_CONFIRM:
- name = "confirm";
- break;
- case DH6_RENEW:
- name = "renew";
- break;
- case DH6_REBIND:
- name = "rebind";
- break;
- case DH6_REPLY:
- name = "reply";
- break;
- case DH6_RELEASE:
- name = "release";
- break;
- case DH6_DECLINE:
- name = "decline";
- break;
- case DH6_RECONFIGURE:
- name = "reconfigure";
- break;
- case DH6_INFORM_REQ:
- name= "inf-req";
- break;
- case DH6_RELAY_FORW:
- name= "relay-fwd";
- break;
- case DH6_RELAY_REPLY:
- name= "relay-reply";
- break;
- case DH6_LEASEQUERY:
- name= "leasequery";
- break;
- case DH6_LQ_REPLY:
- name= "leasequery-reply";
- break;
- default:
- name = NULL;
- break;
- }
+ name = tok2str(dh6_msgtype_str, "msgtype-%u", dh6->dh6_msgtype);
if (!ndo->ndo_vflag) {
- if (name)
- ND_PRINT((ndo, " %s", name));
- else if (dh6->dh6_msgtype != DH6_RELAY_FORW &&
- dh6->dh6_msgtype != DH6_RELAY_REPLY) {
- ND_PRINT((ndo, " msgtype-%u", dh6->dh6_msgtype));
- }
+ ND_PRINT((ndo, " %s", name));
return;
}
/* XXX relay agent messages have to be handled differently */
- if (name)
- ND_PRINT((ndo, " %s (", name)); /*)*/
- else
- ND_PRINT((ndo, " msgtype-%u (", dh6->dh6_msgtype)); /*)*/
+ ND_PRINT((ndo, " %s (", name)); /*)*/
if (dh6->dh6_msgtype != DH6_RELAY_FORW &&
dh6->dh6_msgtype != DH6_RELAY_REPLY) {
ND_PRINT((ndo, "xid=%x", EXTRACT_32BITS(&dh6->dh6_xid) & DH6_XIDMASK));
- extp = (u_char *)(dh6 + 1);
+ extp = (const u_char *)(dh6 + 1);
dhcp6opt_print(ndo, extp, ep);
} else { /* relay messages */
struct in6_addr addr6;
ND_TCHECK(dh6relay->dh6relay_peeraddr);
memcpy(&addr6, dh6relay->dh6relay_linkaddr, sizeof (addr6));
- ND_PRINT((ndo, "linkaddr=%s", ip6addr_string(&addr6)));
+ ND_PRINT((ndo, "linkaddr=%s", ip6addr_string(ndo, &addr6)));
memcpy(&addr6, dh6relay->dh6relay_peeraddr, sizeof (addr6));
- ND_PRINT((ndo, " peeraddr=%s", ip6addr_string(&addr6)));
+ ND_PRINT((ndo, " peeraddr=%s", ip6addr_string(ndo, &addr6)));
- dhcp6opt_print(ndo, (u_char *)(dh6relay + 1), ep);
+ dhcp6opt_print(ndo, (const u_char *)(dh6relay + 1), ep);
}
/*(*/
ND_PRINT((ndo, ")"));
projects / tcpdump / blobdiff