#define TAG_CLIENT_FQDN ((uint8_t) 81)
#define TAG_AGENT_CIRCUIT ((uint8_t) 82)
#define TAG_AGENT_REMOTE ((uint8_t) 83)
-#define TAG_AGENT_MASK ((uint8_t) 84)
#define TAG_TZ_STRING ((uint8_t) 88)
#define TAG_FQDN_OPTION ((uint8_t) 89)
#define TAG_AUTH ((uint8_t) 90)
#define TAG_CLIENT_NDI ((uint8_t) 94)
#define TAG_CLIENT_GUID ((uint8_t) 97)
#define TAG_LDAP_URL ((uint8_t) 95)
-#define TAG_6OVER4 ((uint8_t) 96)
/* RFC 4833, TZ codes */
#define TAG_TZ_PCODE ((uint8_t) 100)
#define TAG_TZ_TCODE ((uint8_t) 101)
-#define TAG_IPX_COMPAT ((uint8_t) 110)
#define TAG_NETINFO_PARENT ((uint8_t) 112)
#define TAG_NETINFO_PARENT_TAG ((uint8_t) 113)
#define TAG_URL ((uint8_t) 114)
-#define TAG_FAILOVER ((uint8_t) 115)
-#define TAG_EXTENDED_REQUEST ((uint8_t) 126)
-#define TAG_EXTENDED_OPTION ((uint8_t) 127)
#define TAG_MUDURL ((uint8_t) 161)
/* DHCP Message types (values for TAG_DHCP_MESSAGE option) */
ndo->ndo_protocol = "bootp";
bp = (const struct bootp *)cp;
- ND_TCHECK_1(bp->bp_op);
- bp_op = EXTRACT_U_1(bp->bp_op);
+ bp_op = GET_U_1(bp->bp_op);
ND_PRINT("BOOTP/DHCP, %s",
tok2str(bootp_op_values, "unknown (0x%02x)", bp_op));
- ND_TCHECK_1(bp->bp_hlen);
- bp_htype = EXTRACT_U_1(bp->bp_htype);
- bp_hlen = EXTRACT_U_1(bp->bp_hlen);
+ bp_htype = GET_U_1(bp->bp_htype);
+ bp_hlen = GET_U_1(bp->bp_hlen);
if (bp_htype == 1 && bp_hlen == 6 && bp_op == BOOTPREQUEST) {
- ND_TCHECK_6(bp->bp_chaddr);
- ND_PRINT(" from %s", etheraddr_string(ndo, bp->bp_chaddr));
+ ND_PRINT(" from %s", GET_ETHERADDR_STRING(bp->bp_chaddr));
}
ND_PRINT(", length %u", length);
ND_PRINT(", hlen %u", bp_hlen);
/* Only print interesting fields */
- if (EXTRACT_U_1(bp->bp_hops))
- ND_PRINT(", hops %u", EXTRACT_U_1(bp->bp_hops));
- if (EXTRACT_BE_U_4(bp->bp_xid))
- ND_PRINT(", xid 0x%x", EXTRACT_BE_U_4(bp->bp_xid));
- if (EXTRACT_BE_U_2(bp->bp_secs))
- ND_PRINT(", secs %u", EXTRACT_BE_U_2(bp->bp_secs));
-
- ND_TCHECK_2(bp->bp_flags);
+ if (GET_U_1(bp->bp_hops))
+ ND_PRINT(", hops %u", GET_U_1(bp->bp_hops));
+ if (GET_BE_U_4(bp->bp_xid))
+ ND_PRINT(", xid 0x%x", GET_BE_U_4(bp->bp_xid));
+ if (GET_BE_U_2(bp->bp_secs))
+ ND_PRINT(", secs %u", GET_BE_U_2(bp->bp_secs));
+
ND_PRINT(", Flags [%s]",
- bittok2str(bootp_flag_values, "none", EXTRACT_BE_U_2(bp->bp_flags)));
+ bittok2str(bootp_flag_values, "none", GET_BE_U_2(bp->bp_flags)));
if (ndo->ndo_vflag > 1)
- ND_PRINT(" (0x%04x)", EXTRACT_BE_U_2(bp->bp_flags));
+ ND_PRINT(" (0x%04x)", GET_BE_U_2(bp->bp_flags));
/* Client's ip address */
- ND_TCHECK_4(bp->bp_ciaddr);
- if (EXTRACT_IPV4_TO_NETWORK_ORDER(bp->bp_ciaddr))
- ND_PRINT("\n\t Client-IP %s", ipaddr_string(ndo, bp->bp_ciaddr));
+ if (GET_IPV4_TO_NETWORK_ORDER(bp->bp_ciaddr))
+ ND_PRINT("\n\t Client-IP %s", GET_IPADDR_STRING(bp->bp_ciaddr));
/* 'your' ip address (bootp client) */
- ND_TCHECK_4(bp->bp_yiaddr);
- if (EXTRACT_IPV4_TO_NETWORK_ORDER(bp->bp_yiaddr))
- ND_PRINT("\n\t Your-IP %s", ipaddr_string(ndo, bp->bp_yiaddr));
+ if (GET_IPV4_TO_NETWORK_ORDER(bp->bp_yiaddr))
+ ND_PRINT("\n\t Your-IP %s", GET_IPADDR_STRING(bp->bp_yiaddr));
/* Server's ip address */
- ND_TCHECK_4(bp->bp_siaddr);
- if (EXTRACT_IPV4_TO_NETWORK_ORDER(bp->bp_siaddr))
- ND_PRINT("\n\t Server-IP %s", ipaddr_string(ndo, bp->bp_siaddr));
+ if (GET_IPV4_TO_NETWORK_ORDER(bp->bp_siaddr))
+ ND_PRINT("\n\t Server-IP %s", GET_IPADDR_STRING(bp->bp_siaddr));
/* Gateway's ip address */
- ND_TCHECK_4(bp->bp_giaddr);
- if (EXTRACT_IPV4_TO_NETWORK_ORDER(bp->bp_giaddr))
- ND_PRINT("\n\t Gateway-IP %s", ipaddr_string(ndo, bp->bp_giaddr));
+ if (GET_IPV4_TO_NETWORK_ORDER(bp->bp_giaddr))
+ ND_PRINT("\n\t Gateway-IP %s", GET_IPADDR_STRING(bp->bp_giaddr));
/* Client's Ethernet address */
if (bp_htype == 1 && bp_hlen == 6) {
- ND_TCHECK_6(bp->bp_chaddr);
- ND_PRINT("\n\t Client-Ethernet-Address %s", etheraddr_string(ndo, bp->bp_chaddr));
+ ND_PRINT("\n\t Client-Ethernet-Address %s", GET_ETHERADDR_STRING(bp->bp_chaddr));
}
- ND_TCHECK_1(bp->bp_sname); /* check first char only */
- if (EXTRACT_U_1(bp->bp_sname)) {
+ if (GET_U_1(bp->bp_sname)) { /* get first char only */
ND_PRINT("\n\t sname \"");
if (nd_printztn(ndo, bp->bp_sname, (u_int)sizeof(bp->bp_sname),
ndo->ndo_snapend) == 0) {
}
ND_PRINT("\"");
}
- ND_TCHECK_1(bp->bp_file); /* check first char only */
- if (EXTRACT_U_1(bp->bp_file)) {
+ if (GET_U_1(bp->bp_file)) { /* get first char only */
ND_PRINT("\n\t file \"");
if (nd_printztn(ndo, bp->bp_file, (u_int)sizeof(bp->bp_file),
ndo->ndo_snapend) == 0) {
else {
uint32_t ul;
- ul = EXTRACT_BE_U_4(bp->bp_vend);
+ ul = GET_BE_U_4(bp->bp_vend);
if (ul != 0)
ND_PRINT("\n\t Vendor-#0x%x", ul);
}
* l - long (32 bits)
* L - unsigned long (32 bits)
* s - short (16 bits)
- * b - period-seperated decimal bytes (variable length)
- * x - colon-seperated hex bytes (variable length)
+ * b - period-separated decimal bytes (variable length)
+ * x - colon-separated hex bytes (variable length)
* a - ASCII string (variable length)
* B - on/off (8 bits)
* $ - special (explicit code to handle)
{ TAG_CLASSLESS_STA_RT_MS, "$Classless-Static-Route-Microsoft" },
/* RFC 5859 - TFTP Server Address Option for DHCPv4 */
{ TAG_TFTP_SERVER_ADDRESS, "iTFTP-Server-Address" },
-/* http://www.iana.org/assignments/bootp-dhcp-extensions/index.htm */
+/* https://www.iana.org/assignments/bootp-dhcp-parameters/bootp-dhcp-parameters.xhtml#options */
{ TAG_SLP_NAMING_AUTH, "aSLP-NA" },
{ TAG_CLIENT_FQDN, "$FQDN" },
{ TAG_AGENT_CIRCUIT, "$Agent-Information" },
{ TAG_AGENT_REMOTE, "bARMT" },
- { TAG_AGENT_MASK, "bAMSK" },
{ TAG_TZ_STRING, "aTZSTR" },
{ TAG_FQDN_OPTION, "bFQDNS" }, /* XXX 'b' */
{ TAG_AUTH, "bAUTH" }, /* XXX 'b' */
{ TAG_CLIENT_NDI, "bNDI" }, /* XXX 'b' */
{ TAG_CLIENT_GUID, "bGUID" }, /* XXX 'b' */
{ TAG_LDAP_URL, "aLDAP" },
- { TAG_6OVER4, "i6o4" },
{ TAG_TZ_PCODE, "aPOSIX-TZ" },
{ TAG_TZ_TCODE, "aTZ-Name" },
- { TAG_IPX_COMPAT, "bIPX" }, /* XXX 'b' */
{ TAG_NETINFO_PARENT, "iNI" },
{ TAG_NETINFO_PARENT_TAG, "aNITAG" },
{ TAG_URL, "aURL" },
- { TAG_FAILOVER, "bFAIL" }, /* XXX 'b' */
{ TAG_MUDURL, "aMUD-URL" },
{ 0, NULL }
};
-/* 2-byte extended tags */
-static const struct tok xtag2str[] = {
- { 0, NULL }
-};
/* DHCP "options overload" types */
static const struct tok oo2str[] = {
ND_PRINT("\n\t Vendor-rfc1048 Extensions");
/* Step over magic cookie */
- ND_PRINT("\n\t Magic Cookie 0x%08x", EXTRACT_BE_U_4(bp));
+ ND_PRINT("\n\t Magic Cookie 0x%08x", GET_BE_U_4(bp));
bp += sizeof(int32_t);
/* Loop while we there is a tag left in the buffer */
while (ND_TTEST_1(bp)) {
- tag = EXTRACT_U_1(bp);
+ tag = GET_U_1(bp);
bp++;
if (tag == TAG_PAD && ndo->ndo_vflag < 3)
continue;
if (tag == TAG_END && ndo->ndo_vflag < 3)
return;
- if (tag == TAG_EXTENDED_OPTION) {
- ND_TCHECK_2(bp + 1);
- tag = EXTRACT_BE_U_2(bp + 1);
- /* XXX we don't know yet if the IANA will
- * preclude overlap of 1-byte and 2-byte spaces.
- * If not, we need to offset tag after this step.
- */
- cp = tok2str(xtag2str, "?xT%u", tag);
- } else
- cp = tok2str(tag2str, "?T%u", tag);
+ cp = tok2str(tag2str, "?Unknown", tag);
c = *cp++;
if (tag == TAG_PAD || tag == TAG_END)
len = 0;
else {
/* Get the length; check for truncation */
- ND_TCHECK_1(bp);
- len = EXTRACT_U_1(bp);
+ len = GET_U_1(bp);
bp++;
}
- ND_PRINT("\n\t %s Option %u, length %u%s", cp, tag, len,
+ ND_PRINT("\n\t %s (%u), length %u%s", cp, tag, len,
len > 0 ? ": " : "");
if (tag == TAG_PAD && ndo->ndo_vflag > 2) {
u_int ntag = 1;
while (ND_TTEST_1(bp) &&
- EXTRACT_U_1(bp) == TAG_PAD) {
+ GET_U_1(bp) == TAG_PAD) {
bp++;
ntag++;
}
ND_TCHECK_LEN(bp, len);
if (tag == TAG_DHCP_MESSAGE && len == 1) {
- ND_PRINT("%s", tok2str(dhcp_msg_values, "Unknown (%u)", EXTRACT_U_1(bp)));
+ ND_PRINT("%s",
+ tok2str(dhcp_msg_values, "Unknown (%u)", GET_U_1(bp)));
bp++;
continue;
}
if (tag == TAG_PARM_REQUEST) {
idx = 0;
while (len > 0) {
- cp = tok2str(tag2str, "?Option %u", EXTRACT_U_1(bp));
+ uint8_t innertag = GET_U_1(bp);
bp++;
len--;
+ cp = tok2str(tag2str, "?Unknown", innertag);
if (idx % 4 == 0)
ND_PRINT("\n\t ");
else
ND_PRINT(", ");
- ND_PRINT("%s", cp + 1);
+ ND_PRINT("%s (%u)", cp + 1, innertag);
idx++;
}
continue;
}
- if (tag == TAG_EXTENDED_REQUEST) {
- first = 1;
- while (len > 1) {
- cp = tok2str(xtag2str, "?xT%u", EXTRACT_BE_U_2(bp));
- bp += 2;
- len -= 2;
- if (!first)
- ND_PRINT("+");
- ND_PRINT("%s", cp + 1);
- first = 0;
- }
- continue;
- }
-
/* Print data */
if (c == '?') {
/* Base default formats for unknown tags on data size */
if (!first)
ND_PRINT(",");
if (c == 'i')
- ND_PRINT("%s", ipaddr_string(ndo, bp));
+ ND_PRINT("%s", GET_IPADDR_STRING(bp));
else if (c == 'L')
- ND_PRINT("%d", EXTRACT_BE_S_4(bp));
+ ND_PRINT("%d", GET_BE_S_4(bp));
else
- ND_PRINT("%u", EXTRACT_BE_U_4(bp));
+ ND_PRINT("%u", GET_BE_U_4(bp));
bp += 4;
len -= 4;
first = 0;
while (len >= 2*4) {
if (!first)
ND_PRINT(",");
- ND_PRINT("(%s:", ipaddr_string(ndo, bp));
+ ND_PRINT("(%s:", GET_IPADDR_STRING(bp));
bp += 4;
len -= 4;
- ND_PRINT("%s)", ipaddr_string(ndo, bp));
+ ND_PRINT("%s)", GET_IPADDR_STRING(bp));
bp += 4;
len -= 4;
first = 0;
while (len >= 2) {
if (!first)
ND_PRINT(",");
- ND_PRINT("%u", EXTRACT_BE_U_2(bp));
+ ND_PRINT("%u", GET_BE_U_2(bp));
bp += 2;
len -= 2;
first = 0;
uint8_t bool_value;
if (!first)
ND_PRINT(",");
- bool_value = EXTRACT_U_1(bp);
+ bool_value = GET_U_1(bp);
switch (bool_value) {
case 0:
ND_PRINT("N");
uint8_t byte_value;
if (!first)
ND_PRINT(c == 'x' ? ":" : ".");
- byte_value = EXTRACT_U_1(bp);
+ byte_value = GET_U_1(bp);
if (c == 'x')
ND_PRINT("%02x", byte_value);
else
case TAG_NETBIOS_NODE:
/* this option should be at least 1 byte long */
if (len < 1) {
- ND_PRINT("ERROR: length < 1 bytes");
+ ND_PRINT("[ERROR: length < 1 bytes]");
break;
}
- tag = EXTRACT_U_1(bp);
+ tag = GET_U_1(bp);
++bp;
--len;
ND_PRINT("%s", tok2str(nbo2str, NULL, tag));
case TAG_OPT_OVERLOAD:
/* this option should be at least 1 byte long */
if (len < 1) {
- ND_PRINT("ERROR: length < 1 bytes");
+ ND_PRINT("[ERROR: length < 1 bytes]");
break;
}
- tag = EXTRACT_U_1(bp);
+ tag = GET_U_1(bp);
++bp;
--len;
ND_PRINT("%s", tok2str(oo2str, NULL, tag));
case TAG_CLIENT_FQDN:
/* this option should be at least 3 bytes long */
if (len < 3) {
- ND_PRINT("ERROR: length < 3 bytes");
+ ND_PRINT("[ERROR: length < 3 bytes]");
bp += len;
len = 0;
break;
}
- if (EXTRACT_U_1(bp))
- ND_PRINT("[%s] ", client_fqdn_flags(EXTRACT_U_1(bp)));
+ if (GET_U_1(bp) & 0xf0) {
+ ND_PRINT("[ERROR: MBZ nibble 0x%x != 0] ",
+ (GET_U_1(bp) & 0xf0) >> 4);
+ }
+ if (GET_U_1(bp) & 0x0f)
+ ND_PRINT("[%s] ",
+ client_fqdn_flags(GET_U_1(bp)));
bp++;
- if (EXTRACT_U_1(bp) || EXTRACT_U_1(bp + 1))
- ND_PRINT("%u/%u ", EXTRACT_U_1(bp), EXTRACT_U_1(bp + 1));
+ if (GET_U_1(bp) || GET_U_1(bp + 1))
+ ND_PRINT("%u/%u ", GET_U_1(bp),
+ GET_U_1(bp + 1));
bp += 2;
ND_PRINT("\"");
if (nd_printn(ndo, bp, len - 3, ndo->ndo_snapend)) {
/* this option should be at least 1 byte long */
if (len < 1) {
- ND_PRINT("ERROR: length < 1 bytes");
+ ND_PRINT("[ERROR: length < 1 bytes]");
break;
}
- type = EXTRACT_U_1(bp);
+ type = GET_U_1(bp);
bp++;
len--;
if (type == 0) {
while (len > 0) {
if (!first)
ND_PRINT(":");
- ND_PRINT("%02x", EXTRACT_U_1(bp));
+ ND_PRINT("%02x", GET_U_1(bp));
++bp;
--len;
first = 0;
case TAG_AGENT_CIRCUIT:
while (len >= 2) {
- subopt = EXTRACT_U_1(bp);
- suboptlen = EXTRACT_U_1(bp + 1);
+ subopt = GET_U_1(bp);
+ suboptlen = GET_U_1(bp + 1);
bp += 2;
len -= 2;
if (suboptlen > len) {
/* this option should be at least 5 bytes long */
if (len < 5) {
- ND_PRINT("ERROR: length < 5 bytes");
+ ND_PRINT("[ERROR: length < 5 bytes]");
bp += len;
len = 0;
break;
while (len > 0) {
if (!first)
ND_PRINT(",");
- mask_width = EXTRACT_U_1(bp);
+ mask_width = GET_U_1(bp);
bp++;
len--;
/* mask_width <= 32 */
for (i = 0; i < significant_octets ; i++) {
if (i > 0)
ND_PRINT(".");
- ND_PRINT("%u", EXTRACT_U_1(bp));
+ ND_PRINT("%u",
+ GET_U_1(bp));
bp++;
}
for (i = significant_octets ; i < 4 ; i++)
ND_PRINT(".0");
ND_PRINT("/%u", mask_width);
}
- ND_PRINT(":%s)", ipaddr_string(ndo, bp));
+ ND_PRINT(":%s)", GET_IPADDR_STRING(bp));
bp += 4;
len -= (significant_octets + 4);
first = 0;
first = 1;
if (len < 2) {
- ND_PRINT("ERROR: length < 2 bytes");
+ ND_PRINT("[ERROR: length < 2 bytes]");
bp += len;
len = 0;
break;
}
while (len > 0) {
- suboptlen = EXTRACT_U_1(bp);
+ suboptlen = GET_U_1(bp);
bp++;
len--;
ND_PRINT("\n\t ");
ND_PRINT("instance#%u: ", suboptnumber);
if (suboptlen == 0) {
- ND_PRINT("ERROR: suboption length must be non-zero");
+ ND_PRINT("[ERROR: suboption length must be non-zero]");
bp += len;
len = 0;
break;
}
if (len < suboptlen) {
- ND_PRINT("ERROR: invalid option");
+ ND_PRINT("[ERROR: invalid option]");
bp += len;
len = 0;
break;
nd_print_trunc(ndo);
}
-#define PRINTCMUADDR(m, s) { ND_TCHECK_4(&cmu->m); \
- if (EXTRACT_IPV4_TO_NETWORK_ORDER(cmu->m) != 0) \
- ND_PRINT(" %s:%s", s, ipaddr_string(ndo, cmu->m)); }
+#define PRINTCMUADDR(m, s) { ND_TCHECK_4(cmu->m); \
+ if (GET_IPV4_TO_NETWORK_ORDER(cmu->m) != 0) \
+ ND_PRINT(" %s:%s", s, GET_IPADDR_STRING(cmu->m)); }
static void
cmu_print(netdissect_options *ndo,
/* Only print if there are unknown bits */
ND_TCHECK_4(cmu->v_flags);
- v_flags = EXTRACT_U_1(cmu->v_flags);
+ v_flags = GET_U_1(cmu->v_flags);
if ((v_flags & ~(VF_SMASK)) != 0)
ND_PRINT(" F:0x%x", v_flags);
PRINTCMUADDR(v_dgate, "DG");
projects / tcpdump / blobdiff