/* \summary: BOOTP and IPv4 DHCP printer */
#ifdef HAVE_CONFIG_H
-#include "config.h"
+#include <config.h>
#endif
-#include <netdissect-stdinc.h>
+#include "netdissect-stdinc.h"
#include <string.h>
nd_byte bp_sname[64]; /* server host name */
nd_byte bp_file[128]; /* boot file name */
nd_byte bp_vend[64]; /* vendor-specific area */
-} UNALIGNED;
+} ND_UNALIGNED;
#define BOOTPREPLY 2
#define BOOTPREQUEST 1
struct in_addr v_ins1, v_ins2; /* IEN-116 name servers */
struct in_addr v_ts1, v_ts2; /* Time servers */
nd_byte v_unused[24]; /* currently unused */
-} UNALIGNED;
+} ND_UNALIGNED;
/* v_flags values */
uint8_t bp_op, bp_htype, bp_hlen;
bp = (const struct bootp *)cp;
- ND_TCHECK(bp->bp_op);
+ ND_TCHECK_1(bp->bp_op);
bp_op = EXTRACT_U_1(bp->bp_op);
ND_PRINT("BOOTP/DHCP, %s",
tok2str(bootp_op_values, "unknown (0x%02x)", bp_op));
- ND_TCHECK(bp->bp_hlen);
+ ND_TCHECK_1(bp->bp_hlen);
bp_htype = EXTRACT_U_1(bp->bp_htype);
bp_hlen = EXTRACT_U_1(bp->bp_hlen);
if (bp_htype == 1 && bp_hlen == 6 && bp_op == BOOTPREQUEST) {
if (!ndo->ndo_vflag)
return;
- ND_TCHECK(bp->bp_secs);
+ ND_TCHECK_2(bp->bp_secs);
/* The usual hardware address type is 1 (10Mb Ethernet) */
if (bp_htype != 1)
- ND_PRINT(", htype %d", bp_htype);
+ ND_PRINT(", htype %u", bp_htype);
/* The usual length for 10Mb Ethernet address is 6 bytes */
if (bp_htype != 1 || bp_hlen != 6)
- ND_PRINT(", hlen %d", bp_hlen);
+ ND_PRINT(", hlen %u", bp_hlen);
/* Only print interesting fields */
if (EXTRACT_U_1(bp->bp_hops))
- ND_PRINT(", hops %d", 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 %d", EXTRACT_BE_U_2(bp->bp_secs));
+ ND_PRINT(", secs %u", EXTRACT_BE_U_2(bp->bp_secs));
- ND_TCHECK(bp->bp_flags);
+ ND_TCHECK_2(bp->bp_flags);
ND_PRINT(", Flags [%s]",
bittok2str(bootp_flag_values, "none", EXTRACT_BE_U_2(bp->bp_flags)));
if (ndo->ndo_vflag > 1)
ND_PRINT(" (0x%04x)", EXTRACT_BE_U_2(bp->bp_flags));
/* Client's ip address */
- ND_TCHECK(bp->bp_ciaddr);
+ ND_TCHECK_4(&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));
/* 'your' ip address (bootp client) */
- ND_TCHECK(bp->bp_yiaddr);
+ ND_TCHECK_4(&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));
/* Server's ip address */
- ND_TCHECK(bp->bp_siaddr);
+ ND_TCHECK_4(&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));
/* Gateway's ip address */
- ND_TCHECK(bp->bp_giaddr);
+ ND_TCHECK_4(&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));
const char *cp;
char c;
int first, idx;
- uint32_t ul;
- uint16_t us;
- uint8_t uc, subopt, suboptlen;
+ uint8_t subopt, suboptlen;
ND_PRINT("\n\t Vendor-rfc1048 Extensions");
}
if (tag == TAG_DHCP_MESSAGE && len == 1) {
- uc = EXTRACT_U_1(bp);
+ ND_PRINT("%s", tok2str(dhcp_msg_values, "Unknown (%u)", EXTRACT_U_1(bp)));
bp++;
- ND_PRINT("%s", tok2str(dhcp_msg_values, "Unknown (%u)", uc));
continue;
}
if (tag == TAG_PARM_REQUEST) {
idx = 0;
- while (len-- > 0) {
- uc = EXTRACT_U_1(bp);
+ while (len > 0) {
+ cp = tok2str(tag2str, "?Option %u", EXTRACT_U_1(bp));
bp++;
- cp = tok2str(tag2str, "?Option %u", uc);
+ len--;
if (idx % 4 == 0)
ND_PRINT("\n\t ");
else
if (tag == TAG_EXTENDED_REQUEST) {
first = 1;
while (len > 1) {
- len -= 2;
- us = EXTRACT_BE_U_2(bp);
+ cp = tok2str(xtag2str, "?xT%u", EXTRACT_BE_U_2(bp));
bp += 2;
- cp = tok2str(xtag2str, "?xT%u", us);
+ len -= 2;
if (!first)
ND_PRINT("+");
ND_PRINT("%s", cp + 1);
case 'l':
case 'L':
/* ip addresses/32-bit words */
- while (len >= sizeof(ul)) {
+ while (len >= 4) {
if (!first)
ND_PRINT(",");
- ul = EXTRACT_BE_U_4(bp);
- if (c == 'i') {
- ul = htonl(ul);
- ND_PRINT("%s", ipaddr_string(ndo, &ul));
- } else if (c == 'L')
- ND_PRINT("%d", ul);
+ if (c == 'i')
+ ND_PRINT("%s", ipaddr_string(ndo, bp));
+ else if (c == 'L')
+ ND_PRINT("%d", EXTRACT_BE_S_4(bp));
else
- ND_PRINT("%u", ul);
- bp += sizeof(ul);
- len -= sizeof(ul);
+ ND_PRINT("%u", EXTRACT_BE_U_4(bp));
+ bp += 4;
+ len -= 4;
first = 0;
}
break;
case 'p':
/* IP address pairs */
- while (len >= 2*sizeof(ul)) {
+ while (len >= 2*4) {
if (!first)
ND_PRINT(",");
- memcpy((char *)&ul, (const char *)bp, sizeof(ul));
- ND_PRINT("(%s:", ipaddr_string(ndo, &ul));
- bp += sizeof(ul);
- memcpy((char *)&ul, (const char *)bp, sizeof(ul));
- ND_PRINT("%s)", ipaddr_string(ndo, &ul));
- bp += sizeof(ul);
- len -= 2*sizeof(ul);
+ ND_PRINT("(%s:", ipaddr_string(ndo, bp));
+ bp += 4;
+ len -= 4;
+ ND_PRINT("%s)", ipaddr_string(ndo, bp));
+ bp += 4;
+ len -= 4;
first = 0;
}
break;
case 's':
/* shorts */
- while (len >= sizeof(us)) {
+ while (len >= 2) {
if (!first)
ND_PRINT(",");
- us = EXTRACT_BE_U_2(bp);
- ND_PRINT("%u", us);
- bp += sizeof(us);
- len -= sizeof(us);
+ ND_PRINT("%u", EXTRACT_BE_U_2(bp));
+ bp += 2;
+ len -= 2;
first = 0;
}
break;
len--;
/* mask_width <= 32 */
if (mask_width > 32) {
- ND_PRINT("[ERROR: Mask width (%d) > 32]", mask_width);
+ ND_PRINT("[ERROR: Mask width (%u) > 32]", mask_width);
bp += len;
len = 0;
break;
for (i = 0; i < significant_octets ; i++) {
if (i > 0)
ND_PRINT(".");
- ND_PRINT("%d", EXTRACT_U_1(bp));
+ ND_PRINT("%u", EXTRACT_U_1(bp));
bp++;
}
for (i = significant_octets ; i < 4 ; i++)
ND_PRINT(".0");
- ND_PRINT("/%d", mask_width);
+ ND_PRINT("/%u", mask_width);
}
- memcpy((char *)&ul, (const char *)bp, sizeof(ul));
- ND_PRINT(":%s)", ipaddr_string(ndo, &ul));
- bp += sizeof(ul);
+ ND_PRINT(":%s)", ipaddr_string(ndo, bp));
+ bp += 4;
len -= (significant_octets + 4);
first = 0;
}
goto trunc;
}
ND_PRINT("\"");
- ND_PRINT(", length %d", suboptlen);
+ ND_PRINT(", length %u", suboptlen);
suboptnumber++;
len -= suboptlen;
bp += suboptlen;
ND_PRINT("|[rfc1048]");
}
-#define PRINTCMUADDR(m, s) { ND_TCHECK(cmu->m); \
+#define PRINTCMUADDR(m, s) { ND_TCHECK_4(&cmu->m); \
if (cmu->m.s_addr != 0) \
ND_PRINT(" %s:%s", s, ipaddr_string(ndo, &cmu->m.s_addr)); }
cmu = (const struct cmu_vend *)bp;
/* Only print if there are unknown bits */
- ND_TCHECK(cmu->v_flags);
+ ND_TCHECK_4(cmu->v_flags);
v_flags = EXTRACT_U_1(cmu->v_flags);
if ((v_flags & ~(VF_SMASK)) != 0)
ND_PRINT(" F:0x%x", v_flags);
projects / tcpdump / blobdiff