* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
+
+/* \summary: Radius protocol printer */
+
/*
* Radius printer routines as specified on:
*
* RFC 2869:
* "RADIUS Extensions"
*
+ * RFC 3580:
+ * "IEEE 802.1X Remote Authentication Dial In User Service (RADIUS)"
+ * "Usage Guidelines"
+ *
+ * RFC 4675:
+ * "RADIUS Attributes for Virtual LAN and Priority Support"
+ *
+ * RFC 5176:
+ * "Dynamic Authorization Extensions to RADIUS"
+ *
*
* TODO: Among other things to print ok MacIntosh and Vendor values
*/
-#define NETDISSECT_REWORKED
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
-#include <tcpdump-stdinc.h>
+#include <netdissect-stdinc.h>
#include <string.h>
-#include "interface.h"
+#include "netdissect.h"
#include "addrtoname.h"
#include "extract.h"
#include "oui.h"
#define RADCMD_ACCESS_CHA 11 /* Access-Challenge */
#define RADCMD_STATUS_SER 12 /* Status-Server */
#define RADCMD_STATUS_CLI 13 /* Status-Client */
+#define RADCMD_DISCON_REQ 40 /* Disconnect-Request */
+#define RADCMD_DISCON_ACK 41 /* Disconnect-ACK */
+#define RADCMD_DISCON_NAK 42 /* Disconnect-NAK */
+#define RADCMD_COA_REQ 43 /* CoA-Request */
+#define RADCMD_COA_ACK 44 /* CoA-ACK */
+#define RADCMD_COA_NAK 45 /* CoA-NAK */
#define RADCMD_RESERVED 255 /* Reserved */
static const struct tok radius_command_values[] = {
- { RADCMD_ACCESS_REQ, "Access Request" },
- { RADCMD_ACCESS_ACC, "Access Accept" },
- { RADCMD_ACCESS_REJ, "Access Reject" },
- { RADCMD_ACCOUN_REQ, "Accounting Request" },
- { RADCMD_ACCOUN_RES, "Accounting Response" },
- { RADCMD_ACCESS_CHA, "Access Challenge" },
- { RADCMD_STATUS_SER, "Status Server" },
- { RADCMD_STATUS_CLI, "Status Client" },
+ { RADCMD_ACCESS_REQ, "Access-Request" },
+ { RADCMD_ACCESS_ACC, "Access-Accept" },
+ { RADCMD_ACCESS_REJ, "Access-Reject" },
+ { RADCMD_ACCOUN_REQ, "Accounting-Request" },
+ { RADCMD_ACCOUN_RES, "Accounting-Response" },
+ { RADCMD_ACCESS_CHA, "Access-Challenge" },
+ { RADCMD_STATUS_SER, "Status-Server" },
+ { RADCMD_STATUS_CLI, "Status-Client" },
+ { RADCMD_DISCON_REQ, "Disconnect-Request" },
+ { RADCMD_DISCON_ACK, "Disconnect-ACK" },
+ { RADCMD_DISCON_NAK, "Disconnect-NAK" },
+ { RADCMD_COA_REQ, "CoA-Request" },
+ { RADCMD_COA_ACK, "CoA-ACK" },
+ { RADCMD_COA_NAK, "CoA-NAK" },
{ RADCMD_RESERVED, "Reserved" },
{ 0, NULL}
};
#define ACCT_DELAY 41
#define ACCT_SESSION_TIME 46
+#define EGRESS_VLAN_ID 56
+#define EGRESS_VLAN_NAME 58
+
#define TUNNEL_TYPE 64
#define TUNNEL_MEDIUM 65
#define TUNNEL_CLIENT_END 66
/* End Radius Attribute types */
/********************************/
+#define RFC4675_TAGGED 0x31
+#define RFC4675_UNTAGGED 0x32
+
+static const struct tok rfc4675_tagged[] = {
+ { RFC4675_TAGGED, "Tagged" },
+ { RFC4675_UNTAGGED, "Untagged" },
+ { 0, NULL}
+};
+
-static void print_attr_string(netdissect_options *, register u_char *, u_int, u_short );
-static void print_attr_num(netdissect_options *, register u_char *, u_int, u_short );
-static void print_vendor_attr(netdissect_options *, register u_char *, u_int, u_short );
-static void print_attr_address(netdissect_options *, register u_char *, u_int, u_short);
-static void print_attr_time(netdissect_options *, register u_char *, u_int, u_short);
-static void print_attr_strange(netdissect_options *, register u_char *, u_int, u_short);
+static void print_attr_string(netdissect_options *, register const u_char *, u_int, u_short );
+static void print_attr_num(netdissect_options *, register const u_char *, u_int, u_short );
+static void print_vendor_attr(netdissect_options *, register const u_char *, u_int, u_short );
+static void print_attr_address(netdissect_options *, register const u_char *, u_int, u_short);
+static void print_attr_time(netdissect_options *, register const u_char *, u_int, u_short);
+static void print_attr_strange(netdissect_options *, register const u_char *, u_int, u_short);
struct radius_hdr { uint8_t code; /* Radius packet code */
"RADIUS-Request",
};
+/* Ingress-Filters Attribute standard values */
+static const char *ingress_filters[]={ NULL,
+ "Enabled",
+ "Disabled",
+ };
+
/* NAS-Port-Type Attribute standard values */
static const char *nas_port_type[]={ "Async",
"Sync",
"GRE",
"DVS",
"IP-in-IP Tunneling",
+ "VLAN",
};
/* Tunnel-Medium-Type Attribute standard values */
};
-struct attrtype { const char *name; /* Attribute name */
+static struct attrtype {
+ const char *name; /* Attribute name */
const char **subtypes; /* Standard Values (if any) */
u_char siz_subtypes; /* Size of total standard values */
u_char first_subtype; /* First standard value is 0 or 1 */
- void (*print_func)(netdissect_options *, register u_char *, u_int, u_short);
+ void (*print_func)(netdissect_options *, register const u_char *, u_int, u_short);
} attr_type[]=
{
{ NULL, NULL, 0, 0, NULL },
- { "Username", NULL, 0, 0, print_attr_string },
- { "Password", NULL, 0, 0, NULL },
- { "CHAP Password", NULL, 0, 0, NULL },
- { "NAS IP Address", NULL, 0, 0, print_attr_address },
- { "NAS Port", NULL, 0, 0, print_attr_num },
- { "Service Type", serv_type, TAM_SIZE(serv_type)-1, 1, print_attr_num },
- { "Framed Protocol", frm_proto, TAM_SIZE(frm_proto)-1, 1, print_attr_num },
- { "Framed IP Address", NULL, 0, 0, print_attr_address },
- { "Framed IP Network", NULL, 0, 0, print_attr_address },
- { "Framed Routing", frm_routing, TAM_SIZE(frm_routing), 0, print_attr_num },
- { "Filter ID", NULL, 0, 0, print_attr_string },
- { "Framed MTU", NULL, 0, 0, print_attr_num },
- { "Framed Compression", frm_comp, TAM_SIZE(frm_comp), 0, print_attr_num },
- { "Login IP Host", NULL, 0, 0, print_attr_address },
- { "Login Service", login_serv, TAM_SIZE(login_serv), 0, print_attr_num },
- { "Login TCP Port", NULL, 0, 0, print_attr_num },
+ { "User-Name", NULL, 0, 0, print_attr_string },
+ { "User-Password", NULL, 0, 0, NULL },
+ { "CHAP-Password", NULL, 0, 0, NULL },
+ { "NAS-IP-Address", NULL, 0, 0, print_attr_address },
+ { "NAS-Port", NULL, 0, 0, print_attr_num },
+ { "Service-Type", serv_type, TAM_SIZE(serv_type)-1, 1, print_attr_num },
+ { "Framed-Protocol", frm_proto, TAM_SIZE(frm_proto)-1, 1, print_attr_num },
+ { "Framed-IP-Address", NULL, 0, 0, print_attr_address },
+ { "Framed-IP-Netmask", NULL, 0, 0, print_attr_address },
+ { "Framed-Routing", frm_routing, TAM_SIZE(frm_routing), 0, print_attr_num },
+ { "Filter-Id", NULL, 0, 0, print_attr_string },
+ { "Framed-MTU", NULL, 0, 0, print_attr_num },
+ { "Framed-Compression", frm_comp, TAM_SIZE(frm_comp), 0, print_attr_num },
+ { "Login-IP-Host", NULL, 0, 0, print_attr_address },
+ { "Login-Service", login_serv, TAM_SIZE(login_serv), 0, print_attr_num },
+ { "Login-TCP-Port", NULL, 0, 0, print_attr_num },
{ "Unassigned", NULL, 0, 0, NULL }, /*17*/
- { "Reply", NULL, 0, 0, print_attr_string },
- { "Callback-number", NULL, 0, 0, print_attr_string },
- { "Callback-ID", NULL, 0, 0, print_attr_string },
+ { "Reply-Message", NULL, 0, 0, print_attr_string },
+ { "Callback-Number", NULL, 0, 0, print_attr_string },
+ { "Callback-Id", NULL, 0, 0, print_attr_string },
{ "Unassigned", NULL, 0, 0, NULL }, /*21*/
- { "Framed Route", NULL, 0, 0, print_attr_string },
- { "Framed IPX Network", NULL, 0, 0, print_attr_num },
+ { "Framed-Route", NULL, 0, 0, print_attr_string },
+ { "Framed-IPX-Network", NULL, 0, 0, print_attr_num },
{ "State", NULL, 0, 0, print_attr_string },
{ "Class", NULL, 0, 0, print_attr_string },
- { "Vendor Specific", NULL, 0, 0, print_vendor_attr },
- { "Session Timeout", NULL, 0, 0, print_attr_num },
- { "Idle Timeout", NULL, 0, 0, print_attr_num },
- { "Termination Action", term_action, TAM_SIZE(term_action), 0, print_attr_num },
- { "Called Station", NULL, 0, 0, print_attr_string },
- { "Calling Station", NULL, 0, 0, print_attr_string },
- { "NAS ID", NULL, 0, 0, print_attr_string },
- { "Proxy State", NULL, 0, 0, print_attr_string },
- { "Login LAT Service", NULL, 0, 0, print_attr_string },
- { "Login LAT Node", NULL, 0, 0, print_attr_string },
- { "Login LAT Group", NULL, 0, 0, print_attr_string },
- { "Framed Appletalk Link", NULL, 0, 0, print_attr_num },
- { "Framed Appltalk Net", NULL, 0, 0, print_attr_num },
- { "Framed Appletalk Zone", NULL, 0, 0, print_attr_string },
- { "Accounting Status", acct_status, TAM_SIZE(acct_status)-1, 1, print_attr_num },
- { "Accounting Delay", NULL, 0, 0, print_attr_num },
- { "Accounting Input Octets", NULL, 0, 0, print_attr_num },
- { "Accounting Output Octets", NULL, 0, 0, print_attr_num },
- { "Accounting Session ID", NULL, 0, 0, print_attr_string },
- { "Accounting Authentication", acct_auth, TAM_SIZE(acct_auth)-1, 1, print_attr_num },
- { "Accounting Session Time", NULL, 0, 0, print_attr_num },
- { "Accounting Input Packets", NULL, 0, 0, print_attr_num },
- { "Accounting Output Packets", NULL, 0, 0, print_attr_num },
- { "Accounting Termination Cause", acct_term, TAM_SIZE(acct_term)-1, 1, print_attr_num },
- { "Accounting Multilink Session ID", NULL, 0, 0, print_attr_string },
- { "Accounting Link Count", NULL, 0, 0, print_attr_num },
- { "Accounting Input Giga", NULL, 0, 0, print_attr_num },
- { "Accounting Output Giga", NULL, 0, 0, print_attr_num },
+ { "Vendor-Specific", NULL, 0, 0, print_vendor_attr },
+ { "Session-Timeout", NULL, 0, 0, print_attr_num },
+ { "Idle-Timeout", NULL, 0, 0, print_attr_num },
+ { "Termination-Action", term_action, TAM_SIZE(term_action), 0, print_attr_num },
+ { "Called-Station-Id", NULL, 0, 0, print_attr_string },
+ { "Calling-Station-Id", NULL, 0, 0, print_attr_string },
+ { "NAS-Identifier", NULL, 0, 0, print_attr_string },
+ { "Proxy-State", NULL, 0, 0, print_attr_string },
+ { "Login-LAT-Service", NULL, 0, 0, print_attr_string },
+ { "Login-LAT-Node", NULL, 0, 0, print_attr_string },
+ { "Login-LAT-Group", NULL, 0, 0, print_attr_string },
+ { "Framed-AppleTalk-Link", NULL, 0, 0, print_attr_num },
+ { "Framed-AppleTalk-Network", NULL, 0, 0, print_attr_num },
+ { "Framed-AppleTalk-Zone", NULL, 0, 0, print_attr_string },
+ { "Acct-Status-Type", acct_status, TAM_SIZE(acct_status)-1, 1, print_attr_num },
+ { "Acct-Delay-Time", NULL, 0, 0, print_attr_num },
+ { "Acct-Input-Octets", NULL, 0, 0, print_attr_num },
+ { "Acct-Output-Octets", NULL, 0, 0, print_attr_num },
+ { "Acct-Session-Id", NULL, 0, 0, print_attr_string },
+ { "Acct-Authentic", acct_auth, TAM_SIZE(acct_auth)-1, 1, print_attr_num },
+ { "Acct-Session-Time", NULL, 0, 0, print_attr_num },
+ { "Acct-Input-Packets", NULL, 0, 0, print_attr_num },
+ { "Acct-Output-Packets", NULL, 0, 0, print_attr_num },
+ { "Acct-Terminate-Cause", acct_term, TAM_SIZE(acct_term)-1, 1, print_attr_num },
+ { "Acct-Multi-Session-Id", NULL, 0, 0, print_attr_string },
+ { "Acct-Link-Count", NULL, 0, 0, print_attr_num },
+ { "Acct-Input-Gigawords", NULL, 0, 0, print_attr_num },
+ { "Acct-Output-Gigawords", NULL, 0, 0, print_attr_num },
{ "Unassigned", NULL, 0, 0, NULL }, /*54*/
- { "Event Timestamp", NULL, 0, 0, print_attr_time },
- { "Unassigned", NULL, 0, 0, NULL }, /*56*/
- { "Unassigned", NULL, 0, 0, NULL }, /*57*/
- { "Unassigned", NULL, 0, 0, NULL }, /*58*/
- { "Unassigned", NULL, 0, 0, NULL }, /*59*/
- { "CHAP challenge", NULL, 0, 0, print_attr_string },
- { "NAS Port Type", nas_port_type, TAM_SIZE(nas_port_type), 0, print_attr_num },
- { "Port Limit", NULL, 0, 0, print_attr_num },
- { "Login LAT Port", NULL, 0, 0, print_attr_string }, /*63*/
- { "Tunnel Type", tunnel_type, TAM_SIZE(tunnel_type)-1, 1, print_attr_num },
- { "Tunnel Medium", tunnel_medium, TAM_SIZE(tunnel_medium)-1, 1, print_attr_num },
- { "Tunnel Client End", NULL, 0, 0, print_attr_string },
- { "Tunnel Server End", NULL, 0, 0, print_attr_string },
- { "Accounting Tunnel connect", NULL, 0, 0, print_attr_string },
- { "Tunnel Password", NULL, 0, 0, print_attr_string },
- { "ARAP Password", NULL, 0, 0, print_attr_strange },
- { "ARAP Feature", NULL, 0, 0, print_attr_strange },
- { "ARAP Zone Acces", arap_zone, TAM_SIZE(arap_zone)-1, 1, print_attr_num }, /*72*/
- { "ARAP Security", NULL, 0, 0, print_attr_string },
- { "ARAP Security Data", NULL, 0, 0, print_attr_string },
- { "Password Retry", NULL, 0, 0, print_attr_num },
+ { "Event-Timestamp", NULL, 0, 0, print_attr_time },
+ { "Egress-VLANID", NULL, 0, 0, print_attr_num },
+ { "Ingress-Filters", ingress_filters, TAM_SIZE(ingress_filters)-1, 1, print_attr_num },
+ { "Egress-VLAN-Name", NULL, 0, 0, print_attr_string },
+ { "User-Priority-Table", NULL, 0, 0, NULL },
+ { "CHAP-Challenge", NULL, 0, 0, print_attr_string },
+ { "NAS-Port-Type", nas_port_type, TAM_SIZE(nas_port_type), 0, print_attr_num },
+ { "Port-Limit", NULL, 0, 0, print_attr_num },
+ { "Login-LAT-Port", NULL, 0, 0, print_attr_string }, /*63*/
+ { "Tunnel-Type", tunnel_type, TAM_SIZE(tunnel_type)-1, 1, print_attr_num },
+ { "Tunnel-Medium-Type", tunnel_medium, TAM_SIZE(tunnel_medium)-1, 1, print_attr_num },
+ { "Tunnel-Client-Endpoint", NULL, 0, 0, print_attr_string },
+ { "Tunnel-Server-Endpoint", NULL, 0, 0, print_attr_string },
+ { "Acct-Tunnel-Connection", NULL, 0, 0, print_attr_string },
+ { "Tunnel-Password", NULL, 0, 0, print_attr_string },
+ { "ARAP-Password", NULL, 0, 0, print_attr_strange },
+ { "ARAP-Features", NULL, 0, 0, print_attr_strange },
+ { "ARAP-Zone-Access", arap_zone, TAM_SIZE(arap_zone)-1, 1, print_attr_num }, /*72*/
+ { "ARAP-Security", NULL, 0, 0, print_attr_string },
+ { "ARAP-Security-Data", NULL, 0, 0, print_attr_string },
+ { "Password-Retry", NULL, 0, 0, print_attr_num },
{ "Prompt", prompt, TAM_SIZE(prompt), 0, print_attr_num },
- { "Connect Info", NULL, 0, 0, print_attr_string },
- { "Config Token", NULL, 0, 0, print_attr_string },
- { "EAP Message", NULL, 0, 0, print_attr_string },
- { "Message Authentication", NULL, 0, 0, print_attr_string }, /*80*/
- { "Tunnel Private Group", NULL, 0, 0, print_attr_string },
- { "Tunnel Assigned ID", NULL, 0, 0, print_attr_string },
- { "Tunnel Preference", NULL, 0, 0, print_attr_num },
- { "ARAP Challenge Response", NULL, 0, 0, print_attr_strange },
- { "Accounting Interim Interval", NULL, 0, 0, print_attr_num },
- { "Accounting Tunnel packets lost", NULL, 0, 0, print_attr_num }, /*86*/
- { "NAS Port ID", NULL, 0, 0, print_attr_string },
- { "Framed Pool", NULL, 0, 0, print_attr_string },
- { "Chargeable User Identity", NULL, 0, 0, print_attr_string },
- { "Tunnel Client Authentication ID", NULL, 0, 0, print_attr_string },
- { "Tunnel Server Authentication ID", NULL, 0, 0, print_attr_string },
+ { "Connect-Info", NULL, 0, 0, print_attr_string },
+ { "Configuration-Token", NULL, 0, 0, print_attr_string },
+ { "EAP-Message", NULL, 0, 0, print_attr_string },
+ { "Message-Authenticator", NULL, 0, 0, print_attr_string }, /*80*/
+ { "Tunnel-Private-Group-ID", NULL, 0, 0, print_attr_string },
+ { "Tunnel-Assignment-ID", NULL, 0, 0, print_attr_string },
+ { "Tunnel-Preference", NULL, 0, 0, print_attr_num },
+ { "ARAP-Challenge-Response", NULL, 0, 0, print_attr_strange },
+ { "Acct-Interim-Interval", NULL, 0, 0, print_attr_num },
+ { "Acct-Tunnel-Packets-Lost", NULL, 0, 0, print_attr_num }, /*86*/
+ { "NAS-Port-Id", NULL, 0, 0, print_attr_string },
+ { "Framed-Pool", NULL, 0, 0, print_attr_string },
+ { "CUI", NULL, 0, 0, print_attr_string },
+ { "Tunnel-Client-Auth-ID", NULL, 0, 0, print_attr_string },
+ { "Tunnel-Server-Auth-ID", NULL, 0, 0, print_attr_string },
{ "Unassigned", NULL, 0, 0, NULL }, /*92*/
{ "Unassigned", NULL, 0, 0, NULL } /*93*/
};
/*****************************/
static void
print_attr_string(netdissect_options *ndo,
- register u_char *data, u_int length, u_short attr_code)
+ register const u_char *data, u_int length, u_short attr_code)
{
register u_int i;
length--;
}
break;
+ case EGRESS_VLAN_NAME:
+ ND_PRINT((ndo, "%s (0x%02x) ",
+ tok2str(rfc4675_tagged,"Unknown tag",*data),
+ *data));
+ data++;
+ length--;
+ break;
}
for (i=0; *data && i < length ; i++, data++)
- ND_PRINT((ndo, "%c", (*data < 32 || *data > 128) ? '.' : *data));
+ ND_PRINT((ndo, "%c", (*data < 32 || *data > 126) ? '.' : *data));
return;
*/
static void
print_vendor_attr(netdissect_options *ndo,
- register u_char *data, u_int length, u_short attr_code _U_)
+ register const u_char *data, u_int length, u_short attr_code _U_)
{
u_int idx;
u_int vendor_id;
vendor_type,
vendor_length));
for (idx = 0; idx < vendor_length ; idx++, data++)
- ND_PRINT((ndo, "%c", (*data < 32 || *data > 128) ? '.' : *data));
+ ND_PRINT((ndo, "%c", (*data < 32 || *data > 126) ? '.' : *data));
length-=vendor_length;
}
return;
/******************************/
static void
print_attr_num(netdissect_options *ndo,
- register u_char *data, u_int length, u_short attr_code)
+ register const u_char *data, u_int length, u_short attr_code)
{
uint32_t timeout;
ND_PRINT((ndo, "%d", EXTRACT_24BITS(data)));
break;
+ case EGRESS_VLAN_ID:
+ ND_PRINT((ndo, "%s (0x%02x) ",
+ tok2str(rfc4675_tagged,"Unknown tag",*data),
+ *data));
+ data++;
+ ND_PRINT((ndo, "%d", EXTRACT_24BITS(data)));
+ break;
+
default:
ND_PRINT((ndo, "%d", EXTRACT_32BITS(data)));
break;
/*****************************/
static void
print_attr_address(netdissect_options *ndo,
- register u_char *data, u_int length, u_short attr_code)
+ register const u_char *data, u_int length, u_short attr_code)
{
if (length != 4)
{
/*************************************/
static void
print_attr_time(netdissect_options *ndo,
- register u_char *data, u_int length, u_short attr_code _U_)
+ register const u_char *data, u_int length, u_short attr_code _U_)
{
time_t attr_time;
char string[26];
/***********************************/
static void
print_attr_strange(netdissect_options *ndo,
- register u_char *data, u_int length, u_short attr_code)
+ register const u_char *data, u_int length, u_short attr_code)
{
u_short len_data;
radius_attrs_print(netdissect_options *ndo,
register const u_char *attr, u_int length)
{
- register const struct radius_attr *rad_attr = (struct radius_attr *)attr;
+ register const struct radius_attr *rad_attr = (const struct radius_attr *)attr;
const char *attr_string;
while (length > 0)
{
if ( attr_type[rad_attr->type].print_func )
(*attr_type[rad_attr->type].print_func)(
- ndo, ((u_char *)(rad_attr+1)),
+ ndo, ((const u_char *)(rad_attr+1)),
rad_attr->len - 2, rad_attr->type);
}
}
/* do we also want to see a hex dump ? */
if (ndo->ndo_vflag> 1)
- print_unknown_data(ndo, (u_char *)rad_attr+2, "\n\t ", (rad_attr->len)-2);
+ print_unknown_data(ndo, (const u_char *)rad_attr+2, "\n\t ", (rad_attr->len)-2);
length-=(rad_attr->len);
- rad_attr = (struct radius_attr *)( ((char *)(rad_attr))+rad_attr->len);
+ rad_attr = (const struct radius_attr *)( ((const char *)(rad_attr))+rad_attr->len);
}
return;
u_int len, auth_idx;
ND_TCHECK2(*dat, MIN_RADIUS_LEN);
- rad = (struct radius_hdr *)dat;
+ rad = (const struct radius_hdr *)dat;
len = EXTRACT_16BITS(&rad->len);
if (len < MIN_RADIUS_LEN)
projects / tcpdump / blobdiff