X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/d2aa4eec28a011b739a68cc1258a97d880215574..f68c3e3ec0113a70c35d5a76d42096e8bdb40ae7:/print-lisp.c diff --git a/print-lisp.c b/print-lisp.c index 27cca1a7..6a25b27b 100644 --- a/print-lisp.c +++ b/print-lisp.c @@ -26,9 +26,10 @@ * POSSIBILITY OF SUCH DAMAGE. */ +/* \summary: - Locator/Identifier Separation Protocol (LISP) printer */ + /* - * netdissect printer for LISP - Locator/Identifier Separation Protocol - * RFC 6830 + * specification: RFC 6830 * * * The Map-Register message format is: @@ -98,7 +99,7 @@ #endif #include -#include +#include "netdissect.h" #include #include @@ -228,7 +229,8 @@ static void lisp_hdr_flag(netdissect_options *, const lisp_map_register_hdr *); static void action_flag(netdissect_options *, uint8_t); static void loc_hdr_flag(netdissect_options *, uint16_t); -void lisp_print(netdissect_options *ndo, const u_char *bp, u_int length) +void +lisp_print(netdissect_options *ndo, const u_char *bp, u_int length) { uint8_t type; uint8_t mask_len; @@ -261,13 +263,13 @@ void lisp_print(netdissect_options *ndo, const u_char *bp, u_int length) xtr_present = is_xtr_data_present(type, lisp_hdr->type_and_flag); /* Extract the number of EID records present */ - auth_data_len = EXTRACT_16BITS(&lisp_hdr->auth_data_len); + auth_data_len = EXTRACT_BE_U_2(&lisp_hdr->auth_data_len); packet_iterator = (const u_char *)(lisp_hdr); packet_offset = MAP_REGISTER_HDR_LEN; record_count = lisp_hdr->record_count; if (ndo->ndo_vflag) { - key_id = EXTRACT_16BITS(&lisp_hdr->key_id); + key_id = EXTRACT_BE_U_2(&lisp_hdr->key_id); ND_PRINT((ndo, "\n %u record(s), ", record_count)); ND_PRINT((ndo, "Authentication %s,", tok2str(auth_type, "unknown-type", key_id))); @@ -290,11 +292,11 @@ void lisp_print(netdissect_options *ndo, const u_char *bp, u_int length) ((const u_char *)lisp_hdr + packet_offset); packet_offset += MAP_REGISTER_EID_LEN; mask_len = lisp_eid->eid_prefix_mask_length; - eid_afi = EXTRACT_16BITS(&lisp_eid->eid_prefix_afi); + eid_afi = EXTRACT_BE_U_2(&lisp_eid->eid_prefix_afi); loc_count = lisp_eid->locator_count; if (ndo->ndo_vflag) { - ttl = EXTRACT_32BITS(&lisp_eid->ttl); + ttl = EXTRACT_BE_U_4(&lisp_eid->ttl); ND_PRINT((ndo, " Record TTL %u,", ttl)); action_flag(ndo, lisp_eid->act_auth_inc_res); map_version = (((lisp_eid->reserved_version_hi) & 15 ) * 255) + @@ -305,7 +307,7 @@ void lisp_print(netdissect_options *ndo, const u_char *bp, u_int length) switch (eid_afi) { case IPv4_AFI: ND_TCHECK2(*(packet_iterator + packet_offset), 4); - ND_PRINT((ndo, " EID %s/%u,", getname(ndo, + ND_PRINT((ndo, " EID %s/%u,", ipaddr_string(ndo, packet_iterator + packet_offset), mask_len)); packet_offset += 4; break; @@ -330,7 +332,7 @@ void lisp_print(netdissect_options *ndo, const u_char *bp, u_int length) lisp_loc = (const lisp_map_register_loc *) (packet_iterator + packet_offset); loc_ip_pointer = (const u_char *) (lisp_loc + 1); packet_offset += MAP_REGISTER_LOC_LEN; - loc_afi = EXTRACT_16BITS(&lisp_loc->locator_afi); + loc_afi = EXTRACT_BE_U_2(&lisp_loc->locator_afi); if (ndo->ndo_vflag) ND_PRINT((ndo, "\n ")); @@ -338,7 +340,7 @@ void lisp_print(netdissect_options *ndo, const u_char *bp, u_int length) switch (loc_afi) { case IPv4_AFI: ND_TCHECK2(*(packet_iterator + packet_offset), 4); - ND_PRINT((ndo, " LOC %s", getname(ndo, loc_ip_pointer))); + ND_PRINT((ndo, " LOC %s", ipaddr_string(ndo, loc_ip_pointer))); packet_offset += 4; break; case IPv6_AFI: @@ -354,7 +356,8 @@ void lisp_print(netdissect_options *ndo, const u_char *bp, u_int length) " Multicast Priority/Weight %u/%u,", lisp_loc->priority, lisp_loc->weight, lisp_loc->m_priority, lisp_loc->m_weight)); - loc_hdr_flag(ndo, EXTRACT_16BITS(&lisp_loc->unused_and_flag)); + loc_hdr_flag(ndo, + EXTRACT_BE_U_2(&lisp_loc->unused_and_flag)); } } } @@ -369,7 +372,7 @@ void lisp_print(netdissect_options *ndo, const u_char *bp, u_int length) goto invalid; hex_print_with_offset(ndo, "\n xTR-ID: ", packet_iterator + packet_offset, 16, 0); ND_PRINT((ndo, "\n SITE-ID: %" PRIu64, - EXTRACT_64BITS(packet_iterator + packet_offset + 16))); + EXTRACT_BE_U_8(packet_iterator + packet_offset + 16))); } else { /* Check if packet isn't over yet */ if (packet_iterator + packet_offset < ndo->ndo_snapend) { @@ -416,10 +419,10 @@ static void lisp_hdr_flag(netdissect_options *ndo, const lisp_map_register_hdr * if (type == LISP_MAP_REGISTER) { ND_PRINT((ndo, " flags [%s],", bittok2str(map_register_hdr_flag, - "none", EXTRACT_32BITS(lisp_hdr)))); + "none", EXTRACT_BE_U_4(lisp_hdr)))); } else if (type == LISP_MAP_NOTIFY) { ND_PRINT((ndo, " flags [%s],", bittok2str(map_notify_hdr_flag, - "none", EXTRACT_32BITS(lisp_hdr)))); + "none", EXTRACT_BE_U_4(lisp_hdr)))); } return;