* RFC 5176:
* "Dynamic Authorization Extensions to RADIUS"
*
+ * RFC 5447:
+ * "Diameter Mobile IPv6"
+ *
* RFC 5580:
* "Carrying Location Objects in RADIUS and Diameter"
*
+ * RFC 6572:
+ * "RADIUS Support for Proxy Mobile IPv6"
+ *
* RFC 7155:
* "Diameter Network Access Server Application"
*
#include <string.h>
+#include "netdissect-ctype.h"
+
#include "netdissect.h"
#include "addrtoname.h"
#include "extract.h"
#include "oui.h"
-static const char tstr[] = " [|radius]";
#define TAM_SIZE(x) (sizeof(x)/sizeof(x[0]) )
static void print_attr_address(netdissect_options *, const u_char *, u_int, u_short);
static void print_attr_address6(netdissect_options *, const u_char *, u_int, u_short);
static void print_attr_netmask6(netdissect_options *, const u_char *, u_int, u_short);
+static void print_attr_mip6_home_link_prefix(netdissect_options *, const u_char *, u_int, u_short);
static void print_attr_time(netdissect_options *, const u_char *, u_int, u_short);
+static void print_attr_vector64(netdissect_options *, register const u_char *, u_int, u_short);
static void print_attr_strange(netdissect_options *, const u_char *, u_int, u_short);
{ 0, NULL }
};
+/* MIP6-Feature-Vector standard values */
+/* https://www.iana.org/assignments/aaa-parameters/aaa-parameters.xhtml */
+#define MIP6_INTEGRATED 0x0000000000000001
+#define LOCAL_HOME_AGENT_ASSIGNMENT 0x0000000000000002
+#define PMIP6_SUPPORTED 0x0000010000000000
+#define IP4_HOA_SUPPORTED 0x0000020000000000
+#define LOCAL_MAG_ROUTING_SUPPORTED 0x0000040000000000
+#define ASSIGN_LOCAL_IP 0x0000080000000000
+#define MIP4_SUPPORTED 0x0000100000000000
+#define OPTIMIZED_IDLE_MODE_MOBILITY 0x0000200000000000
+#define GTPv2_SUPPORTED 0x0000400000000000
+#define IP4_TRANSPORT_SUPPORTED 0x0000800000000000
+#define IP4_HOA_ONLY_SUPPORTED 0x0001000000000000
+#define INTER_MAG_ROUTING_SUPPORTED 0x0002000000000000
+static const struct mip6_feature_vector {
+ uint64_t v;
+ const char *s;
+ } mip6_feature_vector[] = {
+ { MIP6_INTEGRATED, "MIP6_INTEGRATED" },
+ { LOCAL_HOME_AGENT_ASSIGNMENT, "LOCAL_HOME_AGENT_ASSIGNMENT" },
+ { PMIP6_SUPPORTED, "PMIP6_SUPPORTED" },
+ { IP4_HOA_SUPPORTED, "IP4_HOA_SUPPORTED" },
+ { LOCAL_MAG_ROUTING_SUPPORTED, "LOCAL_MAG_ROUTING_SUPPORTED" },
+ { ASSIGN_LOCAL_IP, "ASSIGN_LOCAL_IP" },
+ { MIP4_SUPPORTED, "MIP4_SUPPORTED" },
+ { OPTIMIZED_IDLE_MODE_MOBILITY, "OPTIMIZED_IDLE_MODE_MOBILITY" },
+ { GTPv2_SUPPORTED, "GTPv2_SUPPORTED" },
+ { IP4_TRANSPORT_SUPPORTED, "IP4_TRANSPORT_SUPPORTED" },
+ { IP4_HOA_ONLY_SUPPORTED, "IP4_HOA_ONLY_SUPPORTED" },
+ { INTER_MAG_ROUTING_SUPPORTED, "INTER_MAG_ROUTING_SUPPORTED" },
+ };
+
-static struct attrtype {
+static const struct attrtype {
const char *name; /* Attribute name */
const char **subtypes; /* Standard Values (if any) */
u_char siz_subtypes; /* Size of total standard values */
{ "Digest-HA1", NULL, 0, 0, print_attr_string },
{ "SIP-AOR", NULL, 0, 0, print_attr_string },
{ "Delegated-IPv6-Prefix", NULL, 0, 0, print_attr_netmask6 },
+ { "MIP6-Feature-Vector", NULL, 0, 0, print_attr_vector64 },
+ { "MIP6-Home-Link-Prefix", NULL, 0, 0, print_attr_mip6_home_link_prefix },
};
case TUNNEL_PASS:
if (length < 3)
goto trunc;
- if (EXTRACT_U_1(data) && (EXTRACT_U_1(data) <= 0x1F))
- ND_PRINT("Tag[%u] ", EXTRACT_U_1(data));
+ if (GET_U_1(data) && (GET_U_1(data) <= 0x1F))
+ ND_PRINT("Tag[%u] ", GET_U_1(data));
else
ND_PRINT("Tag[Unused] ");
data++;
length--;
- ND_PRINT("Salt %u ", EXTRACT_BE_U_2(data));
+ ND_PRINT("Salt %u ", GET_BE_U_2(data));
data+=2;
length-=2;
break;
case TUNNEL_ASSIGN_ID:
case TUNNEL_CLIENT_AUTH:
case TUNNEL_SERVER_AUTH:
- if (EXTRACT_U_1(data) <= 0x1F)
+ if (GET_U_1(data) <= 0x1F)
{
if (length < 1)
goto trunc;
- if (EXTRACT_U_1(data))
- ND_PRINT("Tag[%u] ", EXTRACT_U_1(data));
+ if (GET_U_1(data))
+ ND_PRINT("Tag[%u] ", GET_U_1(data));
else
ND_PRINT("Tag[Unused] ");
data++;
if (length < 1)
goto trunc;
ND_PRINT("%s (0x%02x) ",
- tok2str(rfc4675_tagged,"Unknown tag",EXTRACT_U_1(data)),
- EXTRACT_U_1(data));
+ tok2str(rfc4675_tagged,"Unknown tag",GET_U_1(data)),
+ GET_U_1(data));
data++;
length--;
break;
}
- for (i=0; i < length && EXTRACT_U_1(data); i++, data++)
- ND_PRINT("%c", ND_ISPRINT(EXTRACT_U_1(data)) ? EXTRACT_U_1(data) : '.');
+ for (i=0; i < length && GET_U_1(data); i++, data++)
+ ND_PRINT("%c", ND_ASCII_ISPRINT(GET_U_1(data)) ? GET_U_1(data) : '.');
return;
trunc:
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
}
/*
if (length < 4)
goto trunc;
ND_TCHECK_4(data);
- vendor_id = EXTRACT_BE_U_4(data);
+ vendor_id = GET_BE_U_4(data);
data+=4;
length-=4;
while (length >= 2) {
ND_TCHECK_2(data);
- vendor_type = EXTRACT_U_1(data);
- vendor_length = EXTRACT_U_1(data + 1);
+ vendor_type = GET_U_1(data);
+ vendor_length = GET_U_1(data + 1);
if (vendor_length < 2)
{
vendor_type,
vendor_length);
for (idx = 0; idx < vendor_length ; idx++, data++)
- ND_PRINT("%c", ND_ISPRINT(EXTRACT_U_1(data)) ? EXTRACT_U_1(data) : '.');
+ ND_PRINT("%c", ND_ASCII_ISPRINT(GET_U_1(data)) ? GET_U_1(data) : '.');
length-=vendor_length;
}
return;
trunc:
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
}
/******************************/
if ( (attr_code == TUNNEL_TYPE) || (attr_code == TUNNEL_MEDIUM) )
{
- if (!EXTRACT_U_1(data))
+ if (!GET_U_1(data))
ND_PRINT("Tag[Unused] ");
else
- ND_PRINT("Tag[%u] ", EXTRACT_U_1(data));
+ ND_PRINT("Tag[%u] ", GET_U_1(data));
data++;
- data_value = EXTRACT_BE_U_3(data);
+ data_value = GET_BE_U_3(data);
}
else
{
- data_value = EXTRACT_BE_U_4(data);
+ data_value = GET_BE_U_4(data);
}
if ( data_value <= (uint32_t)(attr_type[attr_code].siz_subtypes - 1 +
attr_type[attr_code].first_subtype) &&
switch(attr_code) /* Be aware of special cases... */
{
case FRM_IPX:
- if (EXTRACT_BE_U_4(data) == 0xFFFFFFFE )
+ if (GET_BE_U_4(data) == 0xFFFFFFFE )
ND_PRINT("NAS Select");
else
- ND_PRINT("%u", EXTRACT_BE_U_4(data));
+ ND_PRINT("%u", GET_BE_U_4(data));
break;
case SESSION_TIMEOUT:
case ACCT_DELAY:
case ACCT_SESSION_TIME:
case ACCT_INT_INTERVAL:
- timeout = EXTRACT_BE_U_4(data);
+ timeout = GET_BE_U_4(data);
if ( timeout < 60 )
ND_PRINT("%02d secs", timeout);
else
break;
case FRM_ATALK_LINK:
- if (EXTRACT_BE_U_4(data))
- ND_PRINT("%u", EXTRACT_BE_U_4(data));
+ if (GET_BE_U_4(data))
+ ND_PRINT("%u", GET_BE_U_4(data));
else
ND_PRINT("Unnumbered");
break;
case FRM_ATALK_NETWORK:
- if (EXTRACT_BE_U_4(data))
- ND_PRINT("%u", EXTRACT_BE_U_4(data));
+ if (GET_BE_U_4(data))
+ ND_PRINT("%u", GET_BE_U_4(data));
else
ND_PRINT("NAS assigned");
break;
case TUNNEL_PREFERENCE:
- if (EXTRACT_U_1(data))
- ND_PRINT("Tag[%u] ", EXTRACT_U_1(data));
+ if (GET_U_1(data))
+ ND_PRINT("Tag[%u] ", GET_U_1(data));
else
ND_PRINT("Tag[Unused] ");
data++;
- ND_PRINT("%u", EXTRACT_BE_U_3(data));
+ ND_PRINT("%u", GET_BE_U_3(data));
break;
case EGRESS_VLAN_ID:
ND_PRINT("%s (0x%02x) ",
- tok2str(rfc4675_tagged,"Unknown tag",EXTRACT_U_1(data)),
- EXTRACT_U_1(data));
+ tok2str(rfc4675_tagged,"Unknown tag",GET_U_1(data)),
+ GET_U_1(data));
data++;
- ND_PRINT("%u", EXTRACT_BE_U_3(data));
+ ND_PRINT("%u", GET_BE_U_3(data));
break;
default:
- ND_PRINT("%u", EXTRACT_BE_U_4(data));
+ ND_PRINT("%u", GET_BE_U_4(data));
break;
} /* switch */
return;
trunc:
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
}
/*****************************/
{
case FRM_IPADDR:
case LOG_IPHOST:
- if (EXTRACT_BE_U_4(data) == 0xFFFFFFFF )
+ if (GET_BE_U_4(data) == 0xFFFFFFFF )
ND_PRINT("User Selected");
else
- if (EXTRACT_BE_U_4(data) == 0xFFFFFFFE )
+ if (GET_BE_U_4(data) == 0xFFFFFFFE )
ND_PRINT("NAS Select");
else
- ND_PRINT("%s",ipaddr_string(ndo, data));
+ ND_PRINT("%s",GET_IPADDR_STRING(data));
break;
default:
- ND_PRINT("%s", ipaddr_string(ndo, data));
+ ND_PRINT("%s", GET_IPADDR_STRING(data));
break;
}
return;
trunc:
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
}
/*****************************/
ND_TCHECK_16(data);
- ND_PRINT("%s", ip6addr_string(ndo, data));
+ ND_PRINT("%s", GET_IP6ADDR_STRING(data));
return;
trunc:
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
}
static void
return;
}
ND_TCHECK_LEN(data, length);
- if (EXTRACT_U_1(data + 1) > 128)
+ if (GET_U_1(data + 1) > 128)
{
- ND_PRINT("ERROR: netmask %u not in range (0..128)", EXTRACT_U_1(data + 1));
+ ND_PRINT("ERROR: netmask %u not in range (0..128)", GET_U_1(data + 1));
return;
}
if (length > 2)
memcpy(data2, data+2, length-2);
- ND_PRINT("%s/%u", ip6addr_string(ndo, data2), EXTRACT_U_1(data + 1));
+ ND_PRINT("%s/%u", ip6addr_string(ndo, data2), GET_U_1(data + 1));
- if (EXTRACT_U_1(data + 1) > 8 * (length - 2))
+ if (GET_U_1(data + 1) > 8 * (length - 2))
ND_PRINT(" (inconsistent prefix length)");
return;
trunc:
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
+}
+
+static void
+print_attr_mip6_home_link_prefix(netdissect_options *ndo,
+ const u_char *data, u_int length, u_short attr_code _U_)
+{
+ if (length != 17)
+ {
+ ND_PRINT("ERROR: length %u != 17", length);
+ return;
+ }
+ ND_TCHECK_LEN(data, length);
+ if (GET_U_1(data) > 128)
+ {
+ ND_PRINT("ERROR: netmask %u not in range (0..128)", GET_U_1(data));
+ return;
+ }
+
+ ND_PRINT("%s/%u", GET_IP6ADDR_STRING(data + 1), GET_U_1(data));
+
+ return;
+
+ trunc:
+ nd_print_trunc(ndo);
}
/*************************************/
ND_TCHECK_4(data);
- attr_time = EXTRACT_BE_U_4(data);
+ attr_time = GET_BE_U_4(data);
strlcpy(string, ctime(&attr_time), sizeof(string));
/* Get rid of the newline */
string[24] = '\0';
return;
trunc:
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
+}
+
+static void
+print_attr_vector64(netdissect_options *ndo,
+ register const u_char *data, u_int length, u_short attr_code _U_)
+{
+ uint64_t data_value, i;
+ const char *sep = "";
+
+ if (length != 8)
+ {
+ ND_PRINT("ERROR: length %u != 8", length);
+ return;
+ }
+
+ ND_PRINT("[");
+
+ data_value = GET_BE_U_8(data);
+ /* Print the 64-bit field in a format similar to bittok2str(), less
+ * flagging any unknown bits. This way it should be easier to replace
+ * the custom code with a library function later.
+ */
+ for (i = 0; i < TAM_SIZE(mip6_feature_vector); i++) {
+ if (data_value & mip6_feature_vector[i].v) {
+ ND_PRINT("%s%s", sep, mip6_feature_vector[i].s);
+ sep = ", ";
+ }
+ }
+
+ ND_PRINT("]");
+
+ return;
}
/***********************************/
return;
}
ND_TCHECK_1(data);
- if (EXTRACT_U_1(data))
+ if (GET_U_1(data))
ND_PRINT("User can change password");
else
ND_PRINT("User cannot change password");
data++;
ND_TCHECK_1(data);
- ND_PRINT(", Min password length: %u", EXTRACT_U_1(data));
+ ND_PRINT(", Min password length: %u", GET_U_1(data));
data++;
ND_PRINT(", created at: ");
ND_TCHECK_4(data);
}
ND_TCHECK_4(data);
- error_cause_value = EXTRACT_BE_U_4(data);
+ error_cause_value = GET_BE_U_4(data);
ND_PRINT("Error cause %u: %s", error_cause_value, tok2str(errorcausetype, "Error-Cause %u not known", error_cause_value));
break;
}
return;
trunc:
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
}
static void
goto trunc;
ND_TCHECK_SIZE(rad_attr);
- type = EXTRACT_U_1(rad_attr->type);
- len = EXTRACT_U_1(rad_attr->len);
+ type = GET_U_1(rad_attr->type);
+ len = GET_U_1(rad_attr->len);
if (type != 0 && type < TAM_SIZE(attr_type))
attr_string = attr_type[type].name;
else
attr_string = "Unknown";
- if (len < 2)
- {
- ND_PRINT("\n\t %s Attribute (%u), length: %u (bogus, must be >= 2)",
+
+ ND_PRINT("\n\t %s Attribute (%u), length: %u",
attr_string,
type,
len);
- return;
+ if (len < 2)
+ {
+ ND_PRINT(" (bogus, must be >= 2)");
+ return;
}
if (len > length)
{
- ND_PRINT("\n\t %s Attribute (%u), length: %u (bogus, goes past end of packet)",
- attr_string,
- type,
- len);
+ ND_PRINT(" (bogus, goes past end of packet)");
return;
}
- ND_PRINT("\n\t %s Attribute (%u), length: %u, Value: ",
- attr_string,
- type,
- len);
+ ND_PRINT(", Value: ");
if (type < TAM_SIZE(attr_type))
{
return;
trunc:
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
}
void
const struct radius_hdr *rad;
u_int len, auth_idx;
+ ndo->ndo_protocol = "radius";
ND_TCHECK_LEN(dat, MIN_RADIUS_LEN);
rad = (const struct radius_hdr *)dat;
- len = EXTRACT_BE_U_2(rad->len);
+ len = GET_BE_U_2(rad->len);
if (len < MIN_RADIUS_LEN)
{
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
return;
}
if (ndo->ndo_vflag < 1) {
ND_PRINT("RADIUS, %s (%u), id: 0x%02x length: %u",
- tok2str(radius_command_values,"Unknown Command",EXTRACT_U_1(rad->code)),
- EXTRACT_U_1(rad->code),
- EXTRACT_U_1(rad->id),
+ tok2str(radius_command_values,"Unknown Command",GET_U_1(rad->code)),
+ GET_U_1(rad->code),
+ GET_U_1(rad->id),
len);
return;
}
else {
ND_PRINT("RADIUS, length: %u\n\t%s (%u), id: 0x%02x, Authenticator: ",
len,
- tok2str(radius_command_values,"Unknown Command",EXTRACT_U_1(rad->code)),
- EXTRACT_U_1(rad->code),
- EXTRACT_U_1(rad->id));
+ tok2str(radius_command_values,"Unknown Command",GET_U_1(rad->code)),
+ GET_U_1(rad->code),
+ GET_U_1(rad->id));
for(auth_idx=0; auth_idx < 16; auth_idx++)
ND_PRINT("%02x", rad->auth[auth_idx]);
return;
trunc:
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
}
projects / tcpdump / blobdiff