X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/c4ba5098d63f1f511d87dbf65e5b5d118e4e43d4..ff1df423b6a8cda80cef88efa8a3162abcfd0e6e:/print-udp.c diff --git a/print-udp.c b/print-udp.c index eddc771c..21102391 100644 --- a/print-udp.c +++ b/print-udp.c @@ -23,9 +23,9 @@ #include "config.h" #endif -#include +#include -#include "interface.h" +#include "netdissect.h" #include "addrtoname.h" #include "extract.h" #include "appletalk.h" @@ -40,7 +40,6 @@ #include "rpc_auth.h" #include "rpc_msg.h" -#include "nameser.h" #include "nfs.h" struct rtcphdr { @@ -104,8 +103,8 @@ vat_print(netdissect_options *ndo, const void *hdr, register const struct udphdr ts & 0x3ff, ts >> 10)); } else { /* probably vat */ - uint32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]); - uint32_t i1 = EXTRACT_32BITS(&((u_int *)hdr)[1]); + uint32_t i0 = EXTRACT_32BITS(&((const u_int *)hdr)[0]); + uint32_t i1 = EXTRACT_32BITS(&((const u_int *)hdr)[1]); ND_PRINT((ndo, "udp/vat %u c%d %u%s", (uint32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8), i0 & 0xffff, @@ -123,10 +122,10 @@ rtp_print(netdissect_options *ndo, const void *hdr, u_int len, register const struct udphdr *up) { /* rtp v1 or v2 */ - u_int *ip = (u_int *)hdr; + const u_int *ip = (const u_int *)hdr; u_int hasopt, hasext, contype, hasmarker; - uint32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]); - uint32_t i1 = EXTRACT_32BITS(&((u_int *)hdr)[1]); + uint32_t i0 = EXTRACT_32BITS(&((const u_int *)hdr)[0]); + uint32_t i1 = EXTRACT_32BITS(&((const u_int *)hdr)[1]); u_int dlen = EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8; const char * ptype; @@ -160,7 +159,7 @@ rtp_print(netdissect_options *ndo, const void *hdr, u_int len, i0 & 0xffff, i1)); if (ndo->ndo_vflag) { - ND_PRINT((ndo, " %u", EXTRACT_32BITS(&((u_int *)hdr)[2]))); + ND_PRINT((ndo, " %u", EXTRACT_32BITS(&((const u_int *)hdr)[2]))); if (hasopt) { u_int i2, optlen; do { @@ -193,14 +192,14 @@ static const u_char * rtcp_print(netdissect_options *ndo, const u_char *hdr, const u_char *ep) { /* rtp v2 control (rtcp) */ - struct rtcp_rr *rr = 0; - struct rtcp_sr *sr; - struct rtcphdr *rh = (struct rtcphdr *)hdr; + const struct rtcp_rr *rr = 0; + const struct rtcp_sr *sr; + const struct rtcphdr *rh = (const struct rtcphdr *)hdr; u_int len; uint16_t flags; int cnt; double ts, dts; - if ((u_char *)(rh + 1) > ep) { + if ((const u_char *)(rh + 1) > ep) { ND_PRINT((ndo, " [|rtcp]")); return (ep); } @@ -209,13 +208,13 @@ rtcp_print(netdissect_options *ndo, const u_char *hdr, const u_char *ep) cnt = (flags >> 8) & 0x1f; switch (flags & 0xff) { case RTCP_PT_SR: - sr = (struct rtcp_sr *)(rh + 1); + sr = (const struct rtcp_sr *)(rh + 1); ND_PRINT((ndo, " sr")); if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh)) ND_PRINT((ndo, " [%d]", len)); if (ndo->ndo_vflag) ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rh->rh_ssrc))); - if ((u_char *)(sr + 1) > ep) { + if ((const u_char *)(sr + 1) > ep) { ND_PRINT((ndo, " [|rtcp]")); return (ep); } @@ -224,13 +223,13 @@ rtcp_print(netdissect_options *ndo, const u_char *hdr, const u_char *ep) 4294967296.0); ND_PRINT((ndo, " @%.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); + rr = (const struct rtcp_rr *)(sr + 1); break; case RTCP_PT_RR: ND_PRINT((ndo, " rr")); if (len != cnt * sizeof(*rr) + sizeof(*rh)) ND_PRINT((ndo, " [%d]", len)); - rr = (struct rtcp_rr *)(rh + 1); + rr = (const struct rtcp_rr *)(rh + 1); if (ndo->ndo_vflag) ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rh->rh_ssrc))); break; @@ -254,7 +253,7 @@ rtcp_print(netdissect_options *ndo, const u_char *hdr, const u_char *ep) if (cnt > 1) ND_PRINT((ndo, " c%d", cnt)); while (--cnt >= 0) { - if ((u_char *)(rr + 1) > ep) { + if ((const u_char *)(rr + 1) > ep) { ND_PRINT((ndo, " [|rtcp]")); return (ep); } @@ -274,7 +273,7 @@ static int udp_cksum(netdissect_options *ndo, register const struct ip *ip, register const struct udphdr *up, register u_int len) { - return nextproto4_cksum(ndo, ip, (const uint8_t *)(void *)up, len, len, + return nextproto4_cksum(ndo, ip, (const uint8_t *)(const void *)up, len, len, IPPROTO_UDP); } @@ -282,7 +281,7 @@ static int udp_cksum(netdissect_options *ndo, register const struct ip *ip, static int udp6_cksum(const struct ip6_hdr *ip6, const struct udphdr *up, u_int len) { - return nextproto6_cksum(ip6, (const uint8_t *)(void *)up, len, len, + return nextproto6_cksum(ip6, (const uint8_t *)(const void *)up, len, len, IPPROTO_UDP); } #endif @@ -307,15 +306,15 @@ udpipaddr_print(netdissect_options *ndo, const struct ip *ip, int sport, int dpo } else { ND_PRINT((ndo, "%s.%s > %s.%s: ", ip6addr_string(ndo, &ip6->ip6_src), - udpport_string(sport), + udpport_string(ndo, sport), ip6addr_string(ndo, &ip6->ip6_dst), - udpport_string(dport))); + udpport_string(ndo, dport))); } } else { if (sport != -1) { ND_PRINT((ndo, "%s > %s: ", - udpport_string(sport), - udpport_string(dport))); + udpport_string(ndo, sport), + udpport_string(ndo, dport))); } } } else @@ -329,15 +328,15 @@ udpipaddr_print(netdissect_options *ndo, const struct ip *ip, int sport, int dpo } else { ND_PRINT((ndo, "%s.%s > %s.%s: ", ipaddr_string(ndo, &ip->ip_src), - udpport_string(sport), + udpport_string(ndo, sport), ipaddr_string(ndo, &ip->ip_dst), - udpport_string(dport))); + udpport_string(ndo, dport))); } } else { if (sport != -1) { ND_PRINT((ndo, "%s > %s: ", - udpport_string(sport), - udpport_string(dport))); + udpport_string(ndo, sport), + udpport_string(ndo, dport))); } } } @@ -358,11 +357,11 @@ udp_print(netdissect_options *ndo, register const u_char *bp, u_int length, if (ep > ndo->ndo_snapend) ep = ndo->ndo_snapend; - up = (struct udphdr *)bp; - ip = (struct ip *)bp2; + up = (const struct udphdr *)bp; + ip = (const struct ip *)bp2; #ifdef INET6 if (IP_V(ip) == 6) - ip6 = (struct ip6_hdr *)bp2; + ip6 = (const struct ip6_hdr *)bp2; else ip6 = NULL; #endif /*INET6*/ @@ -391,7 +390,7 @@ udp_print(netdissect_options *ndo, register const u_char *bp, u_int length, if (ulen < length) length = ulen; - cp = (u_char *)(up + 1); + cp = (const u_char *)(up + 1); if (cp > ndo->ndo_snapend) { udpipaddr_print(ndo, ip, sport, dport); ND_PRINT((ndo, "[|udp]")); @@ -399,35 +398,35 @@ udp_print(netdissect_options *ndo, register const u_char *bp, u_int length, } if (ndo->ndo_packettype) { - register struct sunrpc_msg *rp; + register const struct sunrpc_msg *rp; enum sunrpc_msg_type direction; switch (ndo->ndo_packettype) { case PT_VAT: udpipaddr_print(ndo, ip, sport, dport); - vat_print(ndo, (void *)(up + 1), up); + vat_print(ndo, (const void *)(up + 1), up); break; case PT_WB: udpipaddr_print(ndo, ip, sport, dport); - wb_print(ndo, (void *)(up + 1), length); + wb_print(ndo, (const void *)(up + 1), length); break; case PT_RPC: - rp = (struct sunrpc_msg *)(up + 1); + rp = (const struct sunrpc_msg *)(up + 1); direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction); if (direction == SUNRPC_CALL) - sunrpcrequest_print(ndo, (u_char *)rp, length, - (u_char *)ip); + sunrpcrequest_print(ndo, (const u_char *)rp, length, + (const u_char *)ip); else - nfsreply_print(ndo, (u_char *)rp, length, - (u_char *)ip); /*XXX*/ + nfsreply_print(ndo, (const u_char *)rp, length, + (const u_char *)ip); /*XXX*/ break; case PT_RTP: udpipaddr_print(ndo, ip, sport, dport); - rtp_print(ndo, (void *)(up + 1), length, up); + rtp_print(ndo, (const void *)(up + 1), length, up); break; case PT_RTCP: @@ -486,33 +485,33 @@ udp_print(netdissect_options *ndo, register const u_char *bp, u_int length, udpipaddr_print(ndo, ip, sport, dport); if (!ndo->ndo_qflag) { - register struct sunrpc_msg *rp; + register const struct sunrpc_msg *rp; enum sunrpc_msg_type direction; - rp = (struct sunrpc_msg *)(up + 1); + rp = (const struct sunrpc_msg *)(up + 1); if (ND_TTEST(rp->rm_direction)) { direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction); if (dport == NFS_PORT && direction == SUNRPC_CALL) { ND_PRINT((ndo, "NFS request xid %u ", EXTRACT_32BITS(&rp->rm_xid))); - nfsreq_print_noaddr(ndo, (u_char *)rp, length, - (u_char *)ip); + nfsreq_print_noaddr(ndo, (const u_char *)rp, length, + (const u_char *)ip); return; } if (sport == NFS_PORT && direction == SUNRPC_REPLY) { ND_PRINT((ndo, "NFS reply xid %u ", EXTRACT_32BITS(&rp->rm_xid))); - nfsreply_print_noaddr(ndo, (u_char *)rp, length, - (u_char *)ip); + nfsreply_print_noaddr(ndo, (const u_char *)rp, length, + (const u_char *)ip); return; } #ifdef notdef if (dport == SUNRPC_PORT && direction == SUNRPC_CALL) { - sunrpcrequest_print((u_char *)rp, length, (u_char *)ip); + sunrpcrequest_print((const u_char *)rp, length, (const u_char *)ip); return; } #endif } - if (ND_TTEST(((struct LAP *)cp)->type) && - ((struct LAP *)cp)->type == lapDDP && + if (ND_TTEST(((const struct LAP *)cp)->type) && + ((const struct LAP *)cp)->type == lapDDP && (atalk_port(sport) || atalk_port(dport))) { if (ndo->ndo_vflag) ND_PRINT((ndo, "kip ")); @@ -616,7 +615,7 @@ udp_print(netdissect_options *ndo, register const u_char *bp, u_int length, else if ((sport >= RX_PORT_LOW && sport <= RX_PORT_HIGH) || (dport >= RX_PORT_LOW && dport <= RX_PORT_HIGH)) rx_print(ndo, (const void *)(up + 1), length, sport, dport, - (u_char *) ip); + (const u_char *) ip); #ifdef INET6 else if (ISPORT(RIPNG_PORT)) ripng_print(ndo, (const u_char *)(up + 1), length);