X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/d9037be6958db7a670d4baed6840bab42d844785..febd0bc5aa33b3de9b5864e8c5565fe7b63f519f:/print-radius.c diff --git a/print-radius.c b/print-radius.c index 0dc3c102..eb48de50 100644 --- a/print-radius.c +++ b/print-radius.c @@ -19,6 +19,9 @@ * 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: * @@ -37,24 +40,30 @@ * 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" + * * Alfredo Andres Omella (aandres@s21sec.com) v0.1 2000/09/15 * * TODO: Among other things to print ok MacIntosh and Vendor values */ -#define NETDISSECT_REWORKED #ifdef HAVE_CONFIG_H #include "config.h" #endif -#include +#include #include -#include "interface.h" +#include "netdissect.h" #include "addrtoname.h" #include "extract.h" #include "oui.h" @@ -81,17 +90,29 @@ static const char tstr[] = " [|radius]"; #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} }; @@ -147,12 +168,12 @@ static const struct tok rfc4675_tagged[] = { }; -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 */ @@ -316,6 +337,7 @@ static const char *tunnel_type[]={ NULL, "GRE", "DVS", "IP-in-IP Tunneling", + "VLAN", }; /* Tunnel-Medium-Type Attribute standard values */ @@ -350,105 +372,106 @@ static const char *prompt[]={ "No Echo", }; -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 }, - { "Egress VLAN ID", 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", 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*/ }; @@ -463,7 +486,7 @@ struct attrtype { const char *name; /* Attribute name */ /*****************************/ 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; @@ -518,7 +541,7 @@ print_attr_string(netdissect_options *ndo, } 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; @@ -531,7 +554,7 @@ print_attr_string(netdissect_options *ndo, */ 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; @@ -578,7 +601,7 @@ print_vendor_attr(netdissect_options *ndo, 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; @@ -596,7 +619,7 @@ print_vendor_attr(netdissect_options *ndo, /******************************/ 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; @@ -719,7 +742,7 @@ print_attr_num(netdissect_options *ndo, /*****************************/ 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) { @@ -763,7 +786,7 @@ print_attr_address(netdissect_options *ndo, /*************************************/ 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]; @@ -796,7 +819,7 @@ print_attr_time(netdissect_options *ndo, /***********************************/ 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; @@ -869,7 +892,7 @@ static void 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) @@ -909,16 +932,16 @@ radius_attrs_print(netdissect_options *ndo, { 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; @@ -934,7 +957,7 @@ radius_print(netdissect_options *ndo, 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)