diff options
Diffstat (limited to 'contrib/tcpdump/print-udp.c')
| -rw-r--r-- | contrib/tcpdump/print-udp.c | 347 |
1 files changed, 176 insertions, 171 deletions
diff --git a/contrib/tcpdump/print-udp.c b/contrib/tcpdump/print-udp.c index 536e9af..7d910cb 100644 --- a/contrib/tcpdump/print-udp.c +++ b/contrib/tcpdump/print-udp.c @@ -22,18 +22,15 @@ */ #ifndef lint -static const char rcsid[] = - "@(#) $Header: /tcpdump/master/tcpdump/print-udp.c,v 1.101 2001/10/08 21:25:24 fenner Exp $ (LBL)"; +static const char rcsid[] _U_ = + "@(#) $Header: /tcpdump/master/tcpdump/print-udp.c,v 1.124.2.5 2003/11/19 00:19:25 guy Exp $ (LBL)"; #endif #ifdef HAVE_CONFIG_H #include "config.h" #endif -#include <sys/param.h> -#include <sys/time.h> - -#include <netinet/in.h> +#include <tcpdump-stdinc.h> #ifdef SEGSIZE #undef SEGSIZE @@ -47,6 +44,7 @@ static const char rcsid[] = #include "interface.h" #include "addrtoname.h" +#include "extract.h" #include "appletalk.h" #include "udp.h" @@ -55,6 +53,7 @@ static const char rcsid[] = #ifdef INET6 #include "ip6.h" #endif +#include "ipproto.h" #include "nameser.h" #include "nfs.h" @@ -110,21 +109,21 @@ struct rtcp_rr { #define RTCP_PT_APP 204 static void -vat_print(const void *hdr, u_int len, register const struct udphdr *up) +vat_print(const void *hdr, register const struct udphdr *up) { /* vat/vt audio */ u_int ts = *(u_int16_t *)hdr; if ((ts & 0xf060) != 0) { /* probably vt */ (void)printf("udp/vt %u %d / %d", - (u_int32_t)(ntohs(up->uh_ulen) - sizeof(*up)), + (u_int32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up)), ts & 0x3ff, ts >> 10); } else { /* probably vat */ - u_int32_t i0 = (u_int32_t)ntohl(((u_int *)hdr)[0]); - u_int32_t i1 = (u_int32_t)ntohl(((u_int *)hdr)[1]); + u_int32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]); + u_int32_t i1 = EXTRACT_32BITS(&((u_int *)hdr)[1]); printf("udp/vat %u c%d %u%s", - (u_int32_t)(ntohs(up->uh_ulen) - sizeof(*up) - 8), + (u_int32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8), i0 & 0xffff, i1, i0 & 0x800000? "*" : ""); /* audio format */ @@ -141,9 +140,9 @@ rtp_print(const void *hdr, u_int len, register const struct udphdr *up) /* rtp v1 or v2 */ u_int *ip = (u_int *)hdr; u_int hasopt, hasext, contype, hasmarker; - u_int32_t i0 = (u_int32_t)ntohl(((u_int *)hdr)[0]); - u_int32_t i1 = (u_int32_t)ntohl(((u_int *)hdr)[1]); - u_int dlen = ntohs(up->uh_ulen) - sizeof(*up) - 8; + u_int32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]); + u_int32_t i1 = EXTRACT_32BITS(&((u_int *)hdr)[1]); + u_int dlen = EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8; const char * ptype; ip += 2; @@ -176,7 +175,7 @@ rtp_print(const void *hdr, u_int len, register const struct udphdr *up) i0 & 0xffff, i1); if (vflag) { - printf(" %u", (u_int32_t)ntohl(((u_int *)hdr)[2])); + printf(" %u", EXTRACT_32BITS(&((u_int *)hdr)[2])); if (hasopt) { u_int i2, optlen; do { @@ -220,8 +219,8 @@ rtcp_print(const u_char *hdr, const u_char *ep) printf(" [|rtcp]"); return (ep); } - len = (ntohs(rh->rh_len) + 1) * 4; - flags = ntohs(rh->rh_flags); + len = (EXTRACT_16BITS(&rh->rh_len) + 1) * 4; + flags = EXTRACT_16BITS(&rh->rh_flags); cnt = (flags >> 8) & 0x1f; switch (flags & 0xff) { case RTCP_PT_SR: @@ -230,16 +229,16 @@ rtcp_print(const u_char *hdr, const u_char *ep) if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh)) printf(" [%d]", len); if (vflag) - printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); + printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc)); if ((u_char *)(sr + 1) > ep) { printf(" [|rtcp]"); return (ep); } - ts = (double)((u_int32_t)ntohl(sr->sr_ntp.upper)) + - ((double)((u_int32_t)ntohl(sr->sr_ntp.lower)) / + ts = (double)(EXTRACT_32BITS(&sr->sr_ntp.upper)) + + ((double)(EXTRACT_32BITS(&sr->sr_ntp.lower)) / 4294967296.0); - printf(" @%.2f %u %up %ub", ts, (u_int32_t)ntohl(sr->sr_ts), - (u_int32_t)ntohl(sr->sr_np), (u_int32_t)ntohl(sr->sr_nb)); + printf(" @%.2f %u %up %ub", ts, EXTRACT_32BITS(&sr->sr_ts), + EXTRACT_32BITS(&sr->sr_np), EXTRACT_32BITS(&sr->sr_nb)); rr = (struct rtcp_rr *)(sr + 1); break; case RTCP_PT_RR: @@ -248,18 +247,18 @@ rtcp_print(const u_char *hdr, const u_char *ep) printf(" [%d]", len); rr = (struct rtcp_rr *)(rh + 1); if (vflag) - printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); + printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc)); break; case RTCP_PT_SDES: printf(" sdes %d", len); if (vflag) - printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); + printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc)); cnt = 0; break; case RTCP_PT_BYE: printf(" bye %d", len); if (vflag) - printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); + printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc)); cnt = 0; break; default: @@ -275,20 +274,20 @@ rtcp_print(const u_char *hdr, const u_char *ep) return (ep); } if (vflag) - printf(" %u", (u_int32_t)ntohl(rr->rr_srcid)); - ts = (double)((u_int32_t)ntohl(rr->rr_lsr)) / 65536.; - dts = (double)((u_int32_t)ntohl(rr->rr_dlsr)) / 65536.; + printf(" %u", EXTRACT_32BITS(&rr->rr_srcid)); + ts = (double)(EXTRACT_32BITS(&rr->rr_lsr)) / 65536.; + dts = (double)(EXTRACT_32BITS(&rr->rr_dlsr)) / 65536.; printf(" %ul %us %uj @%.2f+%.2f", - (u_int32_t)ntohl(rr->rr_nl) & 0x00ffffff, - (u_int32_t)ntohl(rr->rr_ls), - (u_int32_t)ntohl(rr->rr_dv), ts, dts); + EXTRACT_32BITS(&rr->rr_nl) & 0x00ffffff, + EXTRACT_32BITS(&rr->rr_ls), + EXTRACT_32BITS(&rr->rr_dv), ts, dts); } return (hdr + len); } static int udp_cksum(register const struct ip *ip, register const struct udphdr *up, - register int len) + register u_int len) { union phu { struct phdr { @@ -303,11 +302,14 @@ static int udp_cksum(register const struct ip *ip, register const u_int16_t *sp; /* pseudo-header.. */ - phu.ph.len = htons(len); + phu.ph.len = htons((u_int16_t)len); phu.ph.mbz = 0; phu.ph.proto = IPPROTO_UDP; memcpy(&phu.ph.src, &ip->ip_src.s_addr, sizeof(u_int32_t)); - memcpy(&phu.ph.dst, &ip->ip_dst.s_addr, sizeof(u_int32_t)); + if (IP_HL(ip) == 5) + memcpy(&phu.ph.dst, &ip->ip_dst.s_addr, sizeof(u_int32_t)); + else + phu.ph.dst = ip_finddst(ip); sp = &phu.pa[0]; return in_cksum((u_short *)up, len, @@ -316,9 +318,9 @@ static int udp_cksum(register const struct ip *ip, #ifdef INET6 static int udp6_cksum(const struct ip6_hdr *ip6, const struct udphdr *up, - int len) + u_int len) { - int i, tlen; + size_t i; register const u_int16_t *sp; u_int32_t sum; union { @@ -332,14 +334,11 @@ static int udp6_cksum(const struct ip6_hdr *ip6, const struct udphdr *up, u_int16_t pa[20]; } phu; - tlen = ntohs(ip6->ip6_plen) + sizeof(struct ip6_hdr) - - ((const char *)up - (const char*)ip6); - /* pseudo-header */ memset(&phu, 0, sizeof(phu)); phu.ph.ph_src = ip6->ip6_src; phu.ph.ph_dst = ip6->ip6_dst; - phu.ph.ph_len = htonl(tlen); + phu.ph.ph_len = htonl(len); phu.ph.ph_nxt = IPPROTO_UDP; sum = 0; @@ -348,10 +347,10 @@ static int udp6_cksum(const struct ip6_hdr *ip6, const struct udphdr *up, sp = (const u_int16_t *)up; - for (i = 0; i < (tlen & ~1); i += 2) + for (i = 0; i < (len & ~1); i += 2) sum += *sp++; - if (tlen & 1) + if (len & 1) sum += htons((*(const u_int8_t *)sp) << 8); while (sum > 0xffff) @@ -362,40 +361,61 @@ static int udp6_cksum(const struct ip6_hdr *ip6, const struct udphdr *up, } #endif +static void +udpipaddr_print(const struct ip *ip, int sport, int dport) +{ +#ifdef INET6 + const struct ip6_hdr *ip6; -/* XXX probably should use getservbyname() and cache answers */ -#define TFTP_PORT 69 /*XXX*/ -#define KERBEROS_PORT 88 /*XXX*/ -#define SUNRPC_PORT 111 /*XXX*/ -#define SNMP_PORT 161 /*XXX*/ -#define NTP_PORT 123 /*XXX*/ -#define SNMPTRAP_PORT 162 /*XXX*/ -#define ISAKMP_PORT 500 /*XXX*/ -#define TIMED_PORT 525 /*XXX*/ -#define RIP_PORT 520 /*XXX*/ -#define KERBEROS_SEC_PORT 750 /*XXX*/ -#define L2TP_PORT 1701 /*XXX*/ -#define ISAKMP_PORT_USER1 7500 /*XXX - nonstandard*/ -#define ISAKMP_PORT_USER2 8500 /*XXX - nonstandard*/ -#define RX_PORT_LOW 7000 /*XXX*/ -#define RX_PORT_HIGH 7009 /*XXX*/ -#define NETBIOS_NS_PORT 137 -#define NETBIOS_DGRAM_PORT 138 -#define CISCO_AUTORP_PORT 496 /*XXX*/ -#define RADIUS_PORT 1645 -#define RADIUS_NEW_PORT 1812 -#define RADIUS_ACCOUNTING_PORT 1646 -#define RADIUS_NEW_ACCOUNTING_PORT 1813 -#define HSRP_PORT 1985 /*XXX*/ -#define LWRES_PORT 921 -#define ZEPHYR_SRV_PORT 2103 -#define ZEPHYR_CLT_PORT 2104 + if (IP_V(ip) == 6) + ip6 = (const struct ip6_hdr *)ip; + else + ip6 = NULL; -#ifdef INET6 -#define RIPNG_PORT 521 /*XXX*/ -#define DHCP6_SERV_PORT 546 /*XXX*/ -#define DHCP6_CLI_PORT 547 /*XXX*/ -#endif + if (ip6) { + if (ip6->ip6_nxt == IPPROTO_UDP) { + if (sport == -1) { + (void)printf("%s > %s: ", + ip6addr_string(&ip6->ip6_src), + ip6addr_string(&ip6->ip6_dst)); + } else { + (void)printf("%s.%s > %s.%s: ", + ip6addr_string(&ip6->ip6_src), + udpport_string(sport), + ip6addr_string(&ip6->ip6_dst), + udpport_string(dport)); + } + } else { + if (sport != -1) { + (void)printf("%s > %s: ", + udpport_string(sport), + udpport_string(dport)); + } + } + } else +#endif /*INET6*/ + { + if (ip->ip_p == IPPROTO_UDP) { + if (sport == -1) { + (void)printf("%s > %s: ", + ipaddr_string(&ip->ip_src), + ipaddr_string(&ip->ip_dst)); + } else { + (void)printf("%s.%s > %s.%s: ", + ipaddr_string(&ip->ip_src), + udpport_string(sport), + ipaddr_string(&ip->ip_dst), + udpport_string(dport)); + } + } else { + if (sport != -1) { + (void)printf("%s > %s: ", + udpport_string(sport), + udpport_string(dport)); + } + } + } +} void udp_print(register const u_char *bp, u_int length, @@ -421,27 +441,32 @@ udp_print(register const u_char *bp, u_int length, ip6 = NULL; #endif /*INET6*/ cp = (u_char *)(up + 1); - if (cp > snapend) { - (void)printf("%s > %s: [|udp]", - ipaddr_string(&ip->ip_src), ipaddr_string(&ip->ip_dst)); + if (!TTEST(up->uh_dport)) { + udpipaddr_print(ip, -1, -1); + (void)printf("[|udp]"); return; } + + sport = EXTRACT_16BITS(&up->uh_sport); + dport = EXTRACT_16BITS(&up->uh_dport); + if (length < sizeof(struct udphdr)) { - (void)printf("%s > %s: truncated-udp %d", - ipaddr_string(&ip->ip_src), ipaddr_string(&ip->ip_dst), - length); + udpipaddr_print(ip, sport, dport); + (void)printf("truncated-udp %d", length); return; } length -= sizeof(struct udphdr); - sport = ntohs(up->uh_sport); - dport = ntohs(up->uh_dport); - ulen = ntohs(up->uh_ulen); + if (cp > snapend) { + udpipaddr_print(ip, sport, dport); + (void)printf("[|udp]"); + return; + } + + ulen = EXTRACT_16BITS(&up->uh_ulen); if (ulen < 8) { - (void)printf("%s > %s: truncated-udplength %d", - ipaddr_string(&ip->ip_src), - ipaddr_string(&ip->ip_dst), - ulen); + udpipaddr_print(ip, sport, dport); + (void)printf("truncated-udplength %d", ulen); return; } if (packettype) { @@ -451,26 +476,18 @@ udp_print(register const u_char *bp, u_int length, switch (packettype) { case PT_VAT: - (void)printf("%s.%s > %s.%s: ", - ipaddr_string(&ip->ip_src), - udpport_string(sport), - ipaddr_string(&ip->ip_dst), - udpport_string(dport)); - vat_print((void *)(up + 1), length, up); + udpipaddr_print(ip, sport, dport); + vat_print((void *)(up + 1), up); break; case PT_WB: - (void)printf("%s.%s > %s.%s: ", - ipaddr_string(&ip->ip_src), - udpport_string(sport), - ipaddr_string(&ip->ip_dst), - udpport_string(dport)); + udpipaddr_print(ip, sport, dport); wb_print((void *)(up + 1), length); break; case PT_RPC: rp = (struct rpc_msg *)(up + 1); - direction = (enum msg_type)ntohl(rp->rm_direction); + direction = (enum msg_type)EXTRACT_32BITS(&rp->rm_direction); if (direction == CALL) sunrpcrequest_print((u_char *)rp, length, (u_char *)ip); @@ -480,40 +497,39 @@ udp_print(register const u_char *bp, u_int length, break; case PT_RTP: - (void)printf("%s.%s > %s.%s: ", - ipaddr_string(&ip->ip_src), - udpport_string(sport), - ipaddr_string(&ip->ip_dst), - udpport_string(dport)); + udpipaddr_print(ip, sport, dport); rtp_print((void *)(up + 1), length, up); break; case PT_RTCP: - (void)printf("%s.%s > %s.%s:", - ipaddr_string(&ip->ip_src), - udpport_string(sport), - ipaddr_string(&ip->ip_dst), - udpport_string(dport)); + udpipaddr_print(ip, sport, dport); while (cp < ep) cp = rtcp_print(cp, ep); break; case PT_SNMP: - (void)printf("%s.%s > %s.%s:", - ipaddr_string(&ip->ip_src), - udpport_string(sport), - ipaddr_string(&ip->ip_dst), - udpport_string(dport)); + udpipaddr_print(ip, sport, dport); snmp_print((const u_char *)(up + 1), length); break; case PT_CNFP: - (void)printf("%s.%s > %s.%s:", - ipaddr_string(&ip->ip_src), - udpport_string(sport), - ipaddr_string(&ip->ip_dst), - udpport_string(dport)); - cnfp_print(cp, length, (const u_char *)ip); + udpipaddr_print(ip, sport, dport); + cnfp_print(cp, (const u_char *)ip); + break; + + case PT_TFTP: + udpipaddr_print(ip, sport, dport); + tftp_print(cp, length); + break; + + case PT_AODV: + udpipaddr_print(ip, sport, dport); + aodv_print((const u_char *)(up + 1), length, +#ifdef INET6 + ip6 != NULL); +#else + FALSE); +#endif break; } return; @@ -525,7 +541,7 @@ udp_print(register const u_char *bp, u_int length, rp = (struct rpc_msg *)(up + 1); if (TTEST(rp->rm_direction)) { - direction = (enum msg_type)ntohl(rp->rm_direction); + direction = (enum msg_type)EXTRACT_32BITS(&rp->rm_direction); if (dport == NFS_PORT && direction == CALL) { nfsreq_print((u_char *)rp, length, (u_char *)ip); @@ -552,32 +568,7 @@ udp_print(register const u_char *bp, u_int length, return; } } -#ifdef INET6 - if (ip6) { - if (ip6->ip6_nxt == IPPROTO_UDP) { - (void)printf("%s.%s > %s.%s: ", - ip6addr_string(&ip6->ip6_src), - udpport_string(sport), - ip6addr_string(&ip6->ip6_dst), - udpport_string(dport)); - } else { - (void)printf("%s > %s: ", - udpport_string(sport), udpport_string(dport)); - } - } else -#endif /*INET6*/ - { - if (ip->ip_p == IPPROTO_UDP) { - (void)printf("%s.%s > %s.%s: ", - ipaddr_string(&ip->ip_src), - udpport_string(sport), - ipaddr_string(&ip->ip_dst), - udpport_string(dport)); - } else { - (void)printf("%s > %s: ", - udpport_string(sport), udpport_string(dport)); - } - } + udpipaddr_print(ip, sport, dport); if (IP_V(ip) == 4 && vflag && !fragmented) { int sum = up->uh_sum; @@ -596,7 +587,7 @@ udp_print(register const u_char *bp, u_int length, int sum = up->uh_sum; /* for IPv6, UDP checksum is mandatory */ if (TTEST2(cp[0], length)) { - sum = udp6_cksum(ip6, up, length); + sum = udp6_cksum(ip6, up, length + sizeof(struct udphdr)); if (sum != 0) (void)printf("[bad udp cksum %x!] ", sum); else @@ -608,16 +599,24 @@ udp_print(register const u_char *bp, u_int length, if (!qflag) { #define ISPORT(p) (dport == (p) || sport == (p)) if (ISPORT(NAMESERVER_PORT)) - ns_print((const u_char *)(up + 1), length); + ns_print((const u_char *)(up + 1), length, 0); + else if (ISPORT(MULTICASTDNS_PORT)) + ns_print((const u_char *)(up + 1), length, 1); else if (ISPORT(TIMED_PORT)) - timed_print((const u_char *)(up + 1), length); + timed_print((const u_char *)(up + 1)); else if (ISPORT(TFTP_PORT)) tftp_print((const u_char *)(up + 1), length); else if (ISPORT(IPPORT_BOOTPC) || ISPORT(IPPORT_BOOTPS)) - bootp_print((const u_char *)(up + 1), length, - sport, dport); + bootp_print((const u_char *)(up + 1), length); else if (ISPORT(RIP_PORT)) rip_print((const u_char *)(up + 1), length); + else if (ISPORT(AODV_PORT)) + aodv_print((const u_char *)(up + 1), length, +#ifdef INET6 + ip6 != NULL); +#else + FALSE); +#endif else if (ISPORT(ISAKMP_PORT)) isakmp_print((const u_char *)(up + 1), length, bp2); #if 1 /*???*/ @@ -629,33 +628,32 @@ udp_print(register const u_char *bp, u_int length, else if (ISPORT(NTP_PORT)) ntp_print((const u_char *)(up + 1), length); else if (ISPORT(KERBEROS_PORT) || ISPORT(KERBEROS_SEC_PORT)) - krb_print((const void *)(up + 1), length); + krb_print((const void *)(up + 1)); else if (ISPORT(L2TP_PORT)) l2tp_print((const u_char *)(up + 1), length); #ifdef TCPDUMP_DO_SMB - else if (ISPORT(NETBIOS_NS_PORT)) + else if (ISPORT(NETBIOS_NS_PORT)) nbt_udp137_print((const u_char *)(up + 1), length); - else if (ISPORT(NETBIOS_DGRAM_PORT)) - nbt_udp138_print((const u_char *)(up + 1), length); + else if (ISPORT(NETBIOS_DGRAM_PORT)) + nbt_udp138_print((const u_char *)(up + 1), length); #endif else if (dport == 3456) - vat_print((const void *)(up + 1), length, up); + vat_print((const void *)(up + 1), up); else if (ISPORT(ZEPHYR_SRV_PORT) || ISPORT(ZEPHYR_CLT_PORT)) zephyr_print((const void *)(up + 1), length); - /* - * Since there are 10 possible ports to check, I think - * a <> test would be more efficient - */ - else if ((sport >= RX_PORT_LOW && sport <= RX_PORT_HIGH) || - (dport >= RX_PORT_LOW && dport <= RX_PORT_HIGH)) - rx_print((const void *)(up + 1), length, sport, dport, - (u_char *) ip); + /* + * Since there are 10 possible ports to check, I think + * a <> test would be more efficient + */ + else if ((sport >= RX_PORT_LOW && sport <= RX_PORT_HIGH) || + (dport >= RX_PORT_LOW && dport <= RX_PORT_HIGH)) + rx_print((const void *)(up + 1), length, sport, dport, + (u_char *) ip); #ifdef INET6 else if (ISPORT(RIPNG_PORT)) ripng_print((const u_char *)(up + 1), length); else if (ISPORT(DHCP6_SERV_PORT) || ISPORT(DHCP6_CLI_PORT)) { - dhcp6_print((const u_char *)(up + 1), length, - sport, dport); + dhcp6_print((const u_char *)(up + 1), length); } #endif /*INET6*/ /* @@ -667,17 +665,24 @@ udp_print(register const u_char *bp, u_int length, cisco_autorp_print((const void *)(up + 1), length); else if (ISPORT(RADIUS_PORT) || ISPORT(RADIUS_NEW_PORT) || - ISPORT(RADIUS_ACCOUNTING_PORT) || + ISPORT(RADIUS_ACCOUNTING_PORT) || ISPORT(RADIUS_NEW_ACCOUNTING_PORT) ) radius_print((const u_char *)(up+1), length); else if (dport == HSRP_PORT) - hsrp_print((const u_char *)(up + 1), length); + hsrp_print((const u_char *)(up + 1), length); else if (ISPORT(LWRES_PORT)) lwres_print((const u_char *)(up + 1), length); + else if (ISPORT(LDP_PORT)) + ldp_print((const u_char *)(up + 1), length); + else if (ISPORT(MPLS_LSP_PING_PORT)) + mpls_lsp_ping_print((const u_char *)(up + 1), length); + else if (dport == BFD_CONTROL_PORT || + dport == BFD_ECHO_PORT ) + bfd_print((const u_char *)(up+1), length, dport); else - (void)printf("udp %u", + (void)printf("UDP, length: %u", (u_int32_t)(ulen - sizeof(*up))); #undef ISPORT } else - (void)printf("udp %u", (u_int32_t)(ulen - sizeof(*up))); + (void)printf("UDP, length: %u", (u_int32_t)(ulen - sizeof(*up))); } |
