X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/1cde6435df23876fb88998e38739def0dc7dca47..refs/pull/433/head:/print-icmp.c diff --git a/print-icmp.c b/print-icmp.c index bebf3b7a..47ba5892 100644 --- a/print-icmp.c +++ b/print-icmp.c @@ -47,17 +47,17 @@ * Structure of an icmp header. */ struct icmp { - u_int8_t icmp_type; /* type of message, see below */ - u_int8_t icmp_code; /* type sub code */ - u_int16_t icmp_cksum; /* ones complement cksum of struct */ + uint8_t icmp_type; /* type of message, see below */ + uint8_t icmp_code; /* type sub code */ + uint16_t icmp_cksum; /* ones complement cksum of struct */ union { - u_int8_t ih_pptr; /* ICMP_PARAMPROB */ + uint8_t ih_pptr; /* ICMP_PARAMPROB */ struct in_addr ih_gwaddr; /* ICMP_REDIRECT */ struct ih_idseq { - u_int16_t icd_id; - u_int16_t icd_seq; + uint16_t icd_id; + uint16_t icd_seq; } ih_idseq; - u_int32_t ih_void; + uint32_t ih_void; } icmp_hun; #define icmp_pptr icmp_hun.ih_pptr #define icmp_gwaddr icmp_hun.ih_gwaddr @@ -66,16 +66,16 @@ struct icmp { #define icmp_void icmp_hun.ih_void union { struct id_ts { - u_int32_t its_otime; - u_int32_t its_rtime; - u_int32_t its_ttime; + uint32_t its_otime; + uint32_t its_rtime; + uint32_t its_ttime; } id_ts; struct id_ip { struct ip idi_ip; /* options and then 64 bits of data */ } id_ip; - u_int32_t id_mask; - u_int8_t id_data[1]; + uint32_t id_mask; + uint8_t id_data[1]; } icmp_dun; #define icmp_otime icmp_dun.id_ts.its_otime #define icmp_rtime icmp_dun.id_ts.its_rtime @@ -98,7 +98,7 @@ struct icmp { */ #define ICMP_MINLEN 8 /* abs minimum */ #define ICMP_EXTD_MINLEN (156 - sizeof (struct ip)) /* draft-bonica-internet-icmp-08 */ -#define ICMP_TSLEN (8 + 3 * sizeof (u_int32_t)) /* timestamp */ +#define ICMP_TSLEN (8 + 3 * sizeof (uint32_t)) /* timestamp */ #define ICMP_MASKLEN 12 /* address mask */ #define ICMP_ADVLENMIN (8 + sizeof (struct ip) + 8) /* min */ #define ICMP_ADVLEN(p) (8 + (IP_HL(&(p)->icmp_ip) << 2) + 8) @@ -145,12 +145,10 @@ struct icmp { #define ICMP_MAXTYPE 18 -#define ICMP_INFOTYPE(type) \ - ((type) == ICMP_ECHOREPLY || (type) == ICMP_ECHO || \ - (type) == ICMP_ROUTERADVERT || (type) == ICMP_ROUTERSOLICIT || \ - (type) == ICMP_TSTAMP || (type) == ICMP_TSTAMPREPLY || \ - (type) == ICMP_IREQ || (type) == ICMP_IREQREPLY || \ - (type) == ICMP_MASKREQ || (type) == ICMP_MASKREPLY) +#define ICMP_ERRTYPE(type) \ + ((type) == ICMP_UNREACH || (type) == ICMP_SOURCEQUENCH || \ + (type) == ICMP_REDIRECT || (type) == ICMP_TIMXCEED || \ + (type) == ICMP_PARAMPROB) #define ICMP_MPLS_EXT_TYPE(type) \ ((type) == ICMP_UNREACH || \ (type) == ICMP_TIMXCEED || \ @@ -241,20 +239,20 @@ static const struct tok type2str[] = { /* rfc1191 */ struct mtu_discovery { - u_int16_t unused; - u_int16_t nexthopmtu; + uint16_t unused; + uint16_t nexthopmtu; }; /* rfc1256 */ struct ih_rdiscovery { - u_int8_t ird_addrnum; - u_int8_t ird_addrsiz; - u_int16_t ird_lifetime; + uint8_t ird_addrnum; + uint8_t ird_addrsiz; + uint16_t ird_lifetime; }; struct id_rdiscovery { - u_int32_t ird_addr; - u_int32_t ird_pref; + uint32_t ird_addr; + uint32_t ird_pref; }; /* @@ -284,22 +282,22 @@ struct id_rdiscovery { */ struct icmp_ext_t { - u_int8_t icmp_type; - u_int8_t icmp_code; - u_int8_t icmp_checksum[2]; - u_int8_t icmp_reserved; - u_int8_t icmp_length; - u_int8_t icmp_reserved2[2]; - u_int8_t icmp_ext_legacy_header[128]; /* extension header starts 128 bytes after ICMP header */ - u_int8_t icmp_ext_version_res[2]; - u_int8_t icmp_ext_checksum[2]; - u_int8_t icmp_ext_data[1]; + uint8_t icmp_type; + uint8_t icmp_code; + uint8_t icmp_checksum[2]; + uint8_t icmp_reserved; + uint8_t icmp_length; + uint8_t icmp_reserved2[2]; + uint8_t icmp_ext_legacy_header[128]; /* extension header starts 128 bytes after ICMP header */ + uint8_t icmp_ext_version_res[2]; + uint8_t icmp_ext_checksum[2]; + uint8_t icmp_ext_data[1]; }; struct icmp_mpls_ext_object_header_t { - u_int8_t length[2]; - u_int8_t class_num; - u_int8_t ctype; + uint8_t length[2]; + uint8_t class_num; + uint8_t ctype; }; static const struct tok icmp_mpls_ext_obj_values[] = { @@ -337,8 +335,8 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char * const char *str, *fmt; const struct ip *oip; const struct udphdr *ouh; - const u_int8_t *obj_tptr; - u_int32_t raw_label; + const uint8_t *obj_tptr; + uint32_t raw_label; const u_char *snapend_save; const struct icmp_mpls_ext_object_header_t *icmp_mpls_ext_object_header; u_int hlen, dport, mtu, obj_tlen, obj_class_num, obj_ctype; @@ -557,10 +555,10 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char * } ND_PRINT((ndo, "ICMP %s, length %u", str, plen)); if (ndo->ndo_vflag && !fragmented) { /* don't attempt checksumming if this is a frag */ - u_int16_t sum, icmp_sum; + uint16_t sum, icmp_sum; struct cksum_vec vec[1]; if (ND_TTEST2(*bp, plen)) { - vec[0].ptr = (const u_int8_t *)(void *)dp; + vec[0].ptr = (const uint8_t *)(void *)dp; vec[0].len = plen; sum = in_cksum(vec, 1); if (sum != 0) { @@ -576,7 +574,7 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char * * print the remnants of the IP packet. * save the snaplength as this may get overidden in the IP printer. */ - if (ndo->ndo_vflag >= 1 && !ICMP_INFOTYPE(dp->icmp_type)) { + if (ndo->ndo_vflag >= 1 && ICMP_ERRTYPE(dp->icmp_type)) { bp += 8; ND_PRINT((ndo, "\n\t")); ip = (struct ip *)bp; @@ -600,7 +598,7 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char * * however not all implementations set the length field proper. */ if (!ext_dp->icmp_length) { - vec[0].ptr = (const u_int8_t *)(void *)&ext_dp->icmp_ext_version_res; + vec[0].ptr = (const uint8_t *)(void *)&ext_dp->icmp_ext_version_res; vec[0].len = plen - ICMP_EXTD_MINLEN; if (in_cksum(vec, 1)) { return; @@ -620,7 +618,7 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char * } hlen = plen - ICMP_EXTD_MINLEN; - vec[0].ptr = (const u_int8_t *)(void *)&ext_dp->icmp_ext_version_res; + vec[0].ptr = (const uint8_t *)(void *)&ext_dp->icmp_ext_version_res; vec[0].len = hlen; ND_PRINT((ndo, ", checksum 0x%04x (%scorrect), length %u", EXTRACT_16BITS(ext_dp->icmp_ext_checksum), @@ -628,7 +626,7 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char * hlen)); hlen -= 4; /* subtract common header size */ - obj_tptr = (u_int8_t *)ext_dp->icmp_ext_data; + obj_tptr = (uint8_t *)ext_dp->icmp_ext_data; while (hlen > sizeof(struct icmp_mpls_ext_object_header_t)) {