#include "addrtoname.h"
#include "extract.h"
-static const char tstr[] = " [|bootp]";
/*
* Bootstrap Protocol (BOOTP). RFC951 and RFC1048.
nd_uint16_t bp_secs; /* seconds since boot began */
nd_uint16_t bp_flags; /* flags - see bootp_flag_values[]
in print-bootp.c */
- struct in_addr bp_ciaddr; /* client IP address */
- struct in_addr bp_yiaddr; /* 'your' IP address */
- struct in_addr bp_siaddr; /* server IP address */
- struct in_addr bp_giaddr; /* gateway IP address */
+ nd_ipv4 bp_ciaddr; /* client IP address */
+ nd_ipv4 bp_yiaddr; /* 'your' IP address */
+ nd_ipv4 bp_siaddr; /* server IP address */
+ nd_ipv4 bp_giaddr; /* gateway IP address */
nd_byte bp_chaddr[16]; /* client hardware address */
nd_byte bp_sname[64]; /* server host name */
nd_byte bp_file[128]; /* boot file name */
nd_byte bp_vend[64]; /* vendor-specific area */
-} ND_UNALIGNED;
+};
#define BOOTPREPLY 2
#define BOOTPREQUEST 1
struct cmu_vend {
nd_byte v_magic[4]; /* magic number */
nd_uint32_t v_flags; /* flags/opcodes, etc. */
- struct in_addr v_smask; /* Subnet mask */
- struct in_addr v_dgate; /* Default gateway */
- struct in_addr v_dns1, v_dns2; /* Domain name servers */
- struct in_addr v_ins1, v_ins2; /* IEN-116 name servers */
- struct in_addr v_ts1, v_ts2; /* Time servers */
+ nd_ipv4 v_smask; /* Subnet mask */
+ nd_ipv4 v_dgate; /* Default gateway */
+ nd_ipv4 v_dns1, v_dns2; /* Domain name servers */
+ nd_ipv4 v_ins1, v_ins2; /* IEN-116 name servers */
+ nd_ipv4 v_ts1, v_ts2; /* Time servers */
nd_byte v_unused[24]; /* currently unused */
-} ND_UNALIGNED;
+};
/* v_flags values */
static const u_char vm_rfc1048[4] = VM_RFC1048;
uint8_t bp_op, bp_htype, bp_hlen;
+ 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_LEN(bp->bp_chaddr, 6);
+ ND_TCHECK_6(bp->bp_chaddr);
ND_PRINT(" from %s", etheraddr_string(ndo, bp->bp_chaddr));
}
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));
+ 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_TCHECK_2(bp->bp_flags);
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(bp->bp_ciaddr);
- if (EXTRACT_IPV4_TO_HOST_ORDER(&bp->bp_ciaddr.s_addr))
- ND_PRINT("\n\t Client-IP %s", ipaddr_string(ndo, &bp->bp_ciaddr));
+ ND_TCHECK_4(bp->bp_ciaddr);
+ if (GET_IPV4_TO_NETWORK_ORDER(bp->bp_ciaddr))
+ ND_PRINT("\n\t Client-IP %s", ipaddr_string(ndo, bp->bp_ciaddr));
/* 'your' ip address (bootp client) */
- ND_TCHECK(bp->bp_yiaddr);
- if (EXTRACT_IPV4_TO_HOST_ORDER(&bp->bp_yiaddr.s_addr))
- ND_PRINT("\n\t Your-IP %s", ipaddr_string(ndo, &bp->bp_yiaddr));
+ ND_TCHECK_4(bp->bp_yiaddr);
+ if (GET_IPV4_TO_NETWORK_ORDER(bp->bp_yiaddr))
+ ND_PRINT("\n\t Your-IP %s", ipaddr_string(ndo, bp->bp_yiaddr));
/* Server's ip address */
- ND_TCHECK(bp->bp_siaddr);
- if (EXTRACT_IPV4_TO_HOST_ORDER(&bp->bp_siaddr.s_addr))
- ND_PRINT("\n\t Server-IP %s", ipaddr_string(ndo, &bp->bp_siaddr));
+ ND_TCHECK_4(bp->bp_siaddr);
+ if (GET_IPV4_TO_NETWORK_ORDER(bp->bp_siaddr))
+ ND_PRINT("\n\t Server-IP %s", ipaddr_string(ndo, bp->bp_siaddr));
/* Gateway's ip address */
- ND_TCHECK(bp->bp_giaddr);
- if (EXTRACT_IPV4_TO_HOST_ORDER(&bp->bp_giaddr.s_addr))
- ND_PRINT("\n\t Gateway-IP %s", ipaddr_string(ndo, &bp->bp_giaddr));
+ ND_TCHECK_4(bp->bp_giaddr);
+ if (GET_IPV4_TO_NETWORK_ORDER(bp->bp_giaddr))
+ ND_PRINT("\n\t Gateway-IP %s", ipaddr_string(ndo, bp->bp_giaddr));
/* Client's Ethernet address */
if (bp_htype == 1 && bp_hlen == 6) {
- ND_TCHECK_LEN(bp->bp_chaddr, 6);
+ ND_TCHECK_6(bp->bp_chaddr);
ND_PRINT("\n\t Client-Ethernet-Address %s", etheraddr_string(ndo, 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)) {
ND_PRINT("\n\t sname \"");
- if (fn_printztn(ndo, bp->bp_sname, (u_int)sizeof bp->bp_sname,
- ndo->ndo_snapend)) {
+ if (nd_printztn(ndo, bp->bp_sname, (u_int)sizeof(bp->bp_sname),
+ ndo->ndo_snapend) == 0) {
ND_PRINT("\"");
- ND_PRINT("%s", tstr + 1);
+ nd_print_trunc(ndo);
return;
}
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)) {
ND_PRINT("\n\t file \"");
- if (fn_printztn(ndo, bp->bp_file, (u_int)sizeof bp->bp_file,
- ndo->ndo_snapend)) {
+ if (nd_printztn(ndo, bp->bp_file, (u_int)sizeof(bp->bp_file),
+ ndo->ndo_snapend) == 0) {
ND_PRINT("\"");
- ND_PRINT("%s", tstr + 1);
+ nd_print_trunc(ndo);
return;
}
ND_PRINT("\"");
}
/* Decode the vendor buffer */
- ND_TCHECK_LEN(bp->bp_vend, 4);
+ ND_TCHECK_4(bp->bp_vend);
if (memcmp((const char *)bp->bp_vend, vm_rfc1048,
sizeof(uint32_t)) == 0)
rfc1048_print(ndo, bp->bp_vend);
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);
}
return;
trunc:
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
}
/*
* 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)
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;
return;
if (tag == TAG_EXTENDED_OPTION) {
ND_TCHECK_2(bp + 1);
- tag = EXTRACT_BE_U_2(bp + 1);
+ tag = GET_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.
else {
/* Get the length; check for truncation */
ND_TCHECK_1(bp);
- len = EXTRACT_U_1(bp);
+ len = GET_U_1(bp);
bp++;
}
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_PRINT(", occurs %u", ntag);
}
- if (!ND_TTEST_LEN(bp, len)) {
- ND_PRINT("[|rfc1048 %u]", len);
- return;
- }
+ 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));
+ cp = tok2str(tag2str, "?Option %u",
+ GET_U_1(bp));
bp++;
len--;
if (idx % 4 == 0)
if (tag == TAG_EXTENDED_REQUEST) {
first = 1;
while (len > 1) {
- cp = tok2str(xtag2str, "?xT%u", EXTRACT_BE_U_2(bp));
+ cp = tok2str(xtag2str, "?xT%u",
+ GET_BE_U_2(bp));
bp += 2;
len -= 2;
if (!first)
case 'a':
/* ASCII strings */
ND_PRINT("\"");
- if (fn_printn(ndo, bp, len, ndo->ndo_snapend)) {
+ if (nd_printn(ndo, bp, len, ndo->ndo_snapend)) {
ND_PRINT("\"");
goto trunc;
}
if (c == 'i')
ND_PRINT("%s", ipaddr_string(ndo, 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) {
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
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));
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));
len = 0;
break;
}
- if (EXTRACT_U_1(bp))
- ND_PRINT("[%s] ", client_fqdn_flags(EXTRACT_U_1(bp)));
+ if (GET_U_1(bp))
+ 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 (fn_printn(ndo, bp, len - 3, ndo->ndo_snapend)) {
+ if (nd_printn(ndo, bp, len - 3, ndo->ndo_snapend)) {
ND_PRINT("\"");
goto trunc;
}
ND_PRINT("ERROR: length < 1 bytes");
break;
}
- type = EXTRACT_U_1(bp);
+ type = GET_U_1(bp);
bp++;
len--;
if (type == 0) {
ND_PRINT("\"");
- if (fn_printn(ndo, bp, len, ndo->ndo_snapend)) {
+ if (nd_printn(ndo, bp, len, ndo->ndo_snapend)) {
ND_PRINT("\"");
goto trunc;
}
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) {
case AGENT_SUBOPTION_CIRCUIT_ID: /* fall through */
case AGENT_SUBOPTION_REMOTE_ID:
case AGENT_SUBOPTION_SUBSCRIBER_ID:
- if (fn_printn(ndo, bp, suboptlen, ndo->ndo_snapend))
+ if (nd_printn(ndo, bp, suboptlen, ndo->ndo_snapend))
goto trunc;
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++)
break;
}
while (len > 0) {
- suboptlen = EXTRACT_U_1(bp);
+ suboptlen = GET_U_1(bp);
bp++;
len--;
ND_PRINT("\n\t ");
break;
}
ND_PRINT("\"");
- if (fn_printn(ndo, bp, suboptlen, ndo->ndo_snapend)) {
+ if (nd_printn(ndo, bp, suboptlen, ndo->ndo_snapend)) {
ND_PRINT("\"");
goto trunc;
}
}
return;
trunc:
- ND_PRINT("|[rfc1048]");
+ nd_print_trunc(ndo);
}
-#define PRINTCMUADDR(m, s) { ND_TCHECK(cmu->m); \
- if (cmu->m.s_addr != 0) \
- ND_PRINT(" %s:%s", s, ipaddr_string(ndo, &cmu->m.s_addr)); }
+#define PRINTCMUADDR(m, s) { ND_TCHECK_4(cmu->m); \
+ if (GET_IPV4_TO_NETWORK_ORDER(cmu->m) != 0) \
+ ND_PRINT(" %s:%s", s, ipaddr_string(ndo, 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");
return;
trunc:
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
}
#undef PRINTCMUADDR
projects / tcpdump / blobdiff