X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/ed85e20e4d6a27d5405f37366dd34b64c10a9211..4b2804bffdbbf5b32cbb9f3fbfaf56001203f34b:/print-juniper.c diff --git a/print-juniper.c b/print-juniper.c index f2aa8cfa..2fc5bea6 100644 --- a/print-juniper.c +++ b/print-juniper.c @@ -15,19 +15,22 @@ * Original code by Hannes Gredler (hannes@juniper.net) */ +/* \summary: DLT_JUNIPER_* printers */ + #ifndef lint #else __RCSID("NetBSD: print-juniper.c,v 1.3 2007/07/25 06:31:32 dogcow Exp "); #endif -#define NETDISSECT_REWORKED #ifdef HAVE_CONFIG_H #include "config.h" #endif -#include +#include + +#include -#include "interface.h" +#include "netdissect.h" #include "addrtoname.h" #include "extract.h" #include "ppp.h" @@ -480,11 +483,9 @@ juniper_ggsn_print(netdissect_options *ndo, case JUNIPER_PROTO_IPV4: ip_print(ndo, p, l2info.length); break; -#ifdef INET6 case JUNIPER_PROTO_IPV6: ip6_print(ndo, p, l2info.length); break; -#endif /* INET6 */ default: if (!ndo->ndo_eflag) ND_PRINT((ndo, "unknown GGSN proto (%u)", gh->proto)); @@ -516,7 +517,7 @@ juniper_es_print(netdissect_options *ndo, return l2info.header_len; p+=l2info.header_len; - ih = (struct juniper_ipsec_header *)p; + ih = (const struct juniper_ipsec_header *)p; switch (ih->type) { case JUNIPER_IPSEC_O_ESP_ENCRYPT_ESP_AUTHEN_TYPE: @@ -585,7 +586,7 @@ juniper_monitor_print(netdissect_options *ndo, return l2info.header_len; p+=l2info.header_len; - mh = (struct juniper_monitor_header *)p; + mh = (const struct juniper_monitor_header *)p; if (ndo->ndo_eflag) ND_PRINT((ndo, "service-id %u, iif %u, pkt-type %u: ", @@ -619,7 +620,7 @@ juniper_services_print(netdissect_options *ndo, return l2info.header_len; p+=l2info.header_len; - sh = (struct juniper_services_header *)p; + sh = (const struct juniper_services_header *)p; if (ndo->ndo_eflag) ND_PRINT((ndo, "service-id %u flags 0x%02x service-set-id 0x%04x iif %u: ", @@ -784,11 +785,9 @@ juniper_mlppp_print(netdissect_options *ndo, else ip_print(ndo, p, l2info.length); return l2info.header_len; -#ifdef INET6 case JUNIPER_LSQ_L3_PROTO_IPV6: ip6_print(ndo, p,l2info.length); return l2info.header_len; -#endif case JUNIPER_LSQ_L3_PROTO_MPLS: mpls_print(ndo, p, l2info.length); return l2info.header_len; @@ -822,6 +821,7 @@ juniper_mfr_print(netdissect_options *ndo, { struct juniper_l2info_t l2info; + memset(&l2info, 0, sizeof(l2info)); l2info.pictype = DLT_JUNIPER_MFR; if (juniper_parse_header(ndo, p, h, &l2info) == 0) return l2info.header_len; @@ -840,11 +840,9 @@ juniper_mfr_print(netdissect_options *ndo, case JUNIPER_LSQ_L3_PROTO_IPV4: ip_print(ndo, p, l2info.length); return l2info.header_len; -#ifdef INET6 case JUNIPER_LSQ_L3_PROTO_IPV6: ip6_print(ndo, p,l2info.length); return l2info.header_len; -#endif case JUNIPER_LSQ_L3_PROTO_MPLS: mpls_print(ndo, p, l2info.length); return l2info.header_len; @@ -926,7 +924,7 @@ u_int juniper_atm1_print(netdissect_options *ndo, const struct pcap_pkthdr *h, register const u_char *p) { - uint16_t extracted_ethertype; + int llc_hdrlen; struct juniper_l2info_t l2info; @@ -944,8 +942,8 @@ juniper_atm1_print(netdissect_options *ndo, if (EXTRACT_24BITS(p) == 0xfefe03 || /* NLPID encaps ? */ EXTRACT_24BITS(p) == 0xaaaa03) { /* SNAP encaps ? */ - if (llc_print(ndo, p, l2info.length, l2info.caplen, NULL, NULL, - &extracted_ethertype) != 0) + llc_hdrlen = llc_print(ndo, p, l2info.length, l2info.caplen, NULL, NULL); + if (llc_hdrlen > 0) return l2info.header_len; } @@ -975,7 +973,7 @@ u_int juniper_atm2_print(netdissect_options *ndo, const struct pcap_pkthdr *h, register const u_char *p) { - uint16_t extracted_ethertype; + int llc_hdrlen; struct juniper_l2info_t l2info; @@ -993,8 +991,8 @@ juniper_atm2_print(netdissect_options *ndo, if (EXTRACT_24BITS(p) == 0xfefe03 || /* NLPID encaps ? */ EXTRACT_24BITS(p) == 0xaaaa03) { /* SNAP encaps ? */ - if (llc_print(ndo, p, l2info.length, l2info.caplen, NULL, NULL, - &extracted_ethertype) != 0) + llc_hdrlen = llc_print(ndo, p, l2info.length, l2info.caplen, NULL, NULL); + if (llc_hdrlen > 0) return l2info.header_len; } @@ -1025,8 +1023,8 @@ juniper_atm2_print(netdissect_options *ndo, * a juniper router if the payload data is encapsulated using PPP */ static int juniper_ppp_heuristic_guess(netdissect_options *ndo, - register const u_char *p, u_int length) { - + register const u_char *p, u_int length) +{ switch(EXTRACT_16BITS(p)) { case PPP_IP : case PPP_OSI : @@ -1039,10 +1037,8 @@ juniper_ppp_heuristic_guess(netdissect_options *ndo, case PPP_PAP : case PPP_CHAP : case PPP_ML : -#ifdef INET6 case PPP_IPV6 : case PPP_IPV6CP : -#endif ppp_print(ndo, p, length); break; @@ -1055,8 +1051,8 @@ juniper_ppp_heuristic_guess(netdissect_options *ndo, static int ip_heuristic_guess(netdissect_options *ndo, - register const u_char *p, u_int length) { - + register const u_char *p, u_int length) +{ switch(p[0]) { case 0x45: case 0x46: @@ -1071,7 +1067,6 @@ ip_heuristic_guess(netdissect_options *ndo, case 0x4f: ip_print(ndo, p, length); break; -#ifdef INET6 case 0x60: case 0x61: case 0x62: @@ -1090,7 +1085,6 @@ ip_heuristic_guess(netdissect_options *ndo, case 0x6f: ip6_print(ndo, p, length); break; -#endif default: return 0; /* did not find a ip header */ break; @@ -1099,8 +1093,8 @@ ip_heuristic_guess(netdissect_options *ndo, } static int -juniper_read_tlv_value(const u_char *p, u_int tlv_type, u_int tlv_len) { - +juniper_read_tlv_value(const u_char *p, u_int tlv_type, u_int tlv_len) +{ int tlv_value; /* TLVs < 128 are little endian encoded */ @@ -1147,8 +1141,8 @@ juniper_read_tlv_value(const u_char *p, u_int tlv_type, u_int tlv_len) { static int juniper_parse_header(netdissect_options *ndo, - const u_char *p, const struct pcap_pkthdr *h, struct juniper_l2info_t *l2info) { - + const u_char *p, const struct pcap_pkthdr *h, struct juniper_l2info_t *l2info) +{ const struct juniper_cookie_table_t *lp = juniper_cookie_table; u_int idx, jnx_ext_len, jnx_header_len = 0; uint8_t tlv_type,tlv_len;