X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/5eb37a5617e26e896479e040283cb2b9ccad88c8..refs/heads/tcpdump-4.6:/print-pim.c diff --git a/print-pim.c b/print-pim.c index e0cca125..567d3d99 100644 --- a/print-pim.c +++ b/print-pim.c @@ -19,26 +19,40 @@ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ -#ifndef lint -static const char rcsid[] _U_ = - "@(#) $Header: /tcpdump/master/tcpdump/print-pim.c,v 1.49 2006-02-13 01:31:35 hannes Exp $ (LBL)"; -#endif - +#define NETDISSECT_REWORKED #ifdef HAVE_CONFIG_H #include "config.h" #endif #include -#include -#include - #include "interface.h" #include "addrtoname.h" #include "extract.h" #include "ip.h" +#define PIMV1_TYPE_QUERY 0 +#define PIMV1_TYPE_REGISTER 1 +#define PIMV1_TYPE_REGISTER_STOP 2 +#define PIMV1_TYPE_JOIN_PRUNE 3 +#define PIMV1_TYPE_RP_REACHABILITY 4 +#define PIMV1_TYPE_ASSERT 5 +#define PIMV1_TYPE_GRAFT 6 +#define PIMV1_TYPE_GRAFT_ACK 7 + +static const struct tok pimv1_type_str[] = { + { PIMV1_TYPE_QUERY, "Query" }, + { PIMV1_TYPE_REGISTER, "Register" }, + { PIMV1_TYPE_REGISTER_STOP, "Register-Stop" }, + { PIMV1_TYPE_JOIN_PRUNE, "Join/Prune" }, + { PIMV1_TYPE_RP_REACHABILITY, "RP-reachable" }, + { PIMV1_TYPE_ASSERT, "Assert" }, + { PIMV1_TYPE_GRAFT, "Graft" }, + { PIMV1_TYPE_GRAFT_ACK, "Graft-ACK" }, + { 0, NULL } +}; + #define PIMV2_TYPE_HELLO 0 #define PIMV2_TYPE_REGISTER 1 #define PIMV2_TYPE_REGISTER_STOP 2 @@ -49,8 +63,10 @@ static const char rcsid[] _U_ = #define PIMV2_TYPE_GRAFT_ACK 7 #define PIMV2_TYPE_CANDIDATE_RP 8 #define PIMV2_TYPE_PRUNE_REFRESH 9 +#define PIMV2_TYPE_DF_ELECTION 10 +#define PIMV2_TYPE_ECMP_REDIRECT 11 -static struct tok pimv2_type_values[] = { +static const struct tok pimv2_type_values[] = { { PIMV2_TYPE_HELLO, "Hello" }, { PIMV2_TYPE_REGISTER, "Register" }, { PIMV2_TYPE_REGISTER_STOP, "Register Stop" }, @@ -61,6 +77,8 @@ static struct tok pimv2_type_values[] = { { PIMV2_TYPE_GRAFT_ACK, "Graft Acknowledgement" }, { PIMV2_TYPE_CANDIDATE_RP, "Candidate RP Advertisement" }, { PIMV2_TYPE_PRUNE_REFRESH, "Prune Refresh" }, + { PIMV2_TYPE_DF_ELECTION, "DF Election" }, + { PIMV2_TYPE_ECMP_REDIRECT, "ECMP Redirect" }, { 0, NULL} }; @@ -74,7 +92,7 @@ static struct tok pimv2_type_values[] = { #define PIMV2_HELLO_OPTION_ADDRESS_LIST 24 #define PIMV2_HELLO_OPTION_ADDRESS_LIST_OLD 65001 -static struct tok pimv2_hello_option_values[] = { +static const struct tok pimv2_hello_option_values[] = { { PIMV2_HELLO_OPTION_HOLDTIME, "Hold Time" }, { PIMV2_HELLO_OPTION_LANPRUNEDELAY, "LAN Prune Delay" }, { PIMV2_HELLO_OPTION_DR_PRIORITY_OLD, "DR Priority (Old)" }, @@ -91,11 +109,11 @@ static struct tok pimv2_hello_option_values[] = { #define PIMV2_REGISTER_FLAG_BORDER 0x80000000 #define PIMV2_REGISTER_FLAG_NULL 0x40000000 -static struct tok pimv2_register_flag_values[] = { +static const struct tok pimv2_register_flag_values[] = { { PIMV2_REGISTER_FLAG_BORDER, "Border" }, { PIMV2_REGISTER_FLAG_NULL, "Null" }, { 0, NULL} -}; +}; /* * XXX: We consider a case where IPv6 is not ready yet for portability, @@ -103,7 +121,7 @@ static struct tok pimv2_register_flag_values[] = { */ struct pim { - u_int8_t pim_typever; + uint8_t pim_typever; /* upper 4bit: PIM version number; 2 for PIMv2 */ /* lower 4bit: the PIM message type, currently they are: * Hello, Register, Register-Stop, Join/Prune, @@ -116,54 +134,53 @@ struct pim { u_short pim_cksum; /* IP style check sum */ }; -static void pimv2_print(register const u_char *bp, register u_int len, u_int cksum); +static void pimv2_print(netdissect_options *, register const u_char *bp, register u_int len, u_int cksum); static void -pimv1_join_prune_print(register const u_char *bp, register u_int len) +pimv1_join_prune_print(netdissect_options *ndo, + register const u_char *bp, register u_int len) { - int maddrlen, addrlen, ngroups, njoin, nprune; + int ngroups, njoin, nprune; int njp; /* If it's a single group and a single source, use 1-line output. */ - if (TTEST2(bp[0], 30) && bp[11] == 1 && + if (ND_TTEST2(bp[0], 30) && bp[11] == 1 && ((njoin = EXTRACT_16BITS(&bp[20])) + EXTRACT_16BITS(&bp[22])) == 1) { int hold; - (void)printf(" RPF %s ", ipaddr_string(bp)); + ND_PRINT((ndo, " RPF %s ", ipaddr_string(ndo, bp))); hold = EXTRACT_16BITS(&bp[6]); if (hold != 180) { - (void)printf("Hold "); - relts_print(hold); + ND_PRINT((ndo, "Hold ")); + relts_print(ndo, hold); } - (void)printf("%s (%s/%d, %s", njoin ? "Join" : "Prune", - ipaddr_string(&bp[26]), bp[25] & 0x3f, - ipaddr_string(&bp[12])); + ND_PRINT((ndo, "%s (%s/%d, %s", njoin ? "Join" : "Prune", + ipaddr_string(ndo, &bp[26]), bp[25] & 0x3f, + ipaddr_string(ndo, &bp[12]))); if (EXTRACT_32BITS(&bp[16]) != 0xffffffff) - (void)printf("/%s", ipaddr_string(&bp[16])); - (void)printf(") %s%s %s", + ND_PRINT((ndo, "/%s", ipaddr_string(ndo, &bp[16]))); + ND_PRINT((ndo, ") %s%s %s", (bp[24] & 0x01) ? "Sparse" : "Dense", (bp[25] & 0x80) ? " WC" : "", - (bp[25] & 0x40) ? "RP" : "SPT"); + (bp[25] & 0x40) ? "RP" : "SPT")); return; } - TCHECK2(bp[0], sizeof(struct in_addr)); - if (vflag > 1) - (void)printf("\n"); - (void)printf(" Upstream Nbr: %s", ipaddr_string(bp)); - TCHECK2(bp[6], 2); - if (vflag > 1) - (void)printf("\n"); - (void)printf(" Hold time: "); - relts_print(EXTRACT_16BITS(&bp[6])); - if (vflag < 2) + ND_TCHECK2(bp[0], sizeof(struct in_addr)); + if (ndo->ndo_vflag > 1) + ND_PRINT((ndo, "\n")); + ND_PRINT((ndo, " Upstream Nbr: %s", ipaddr_string(ndo, bp))); + ND_TCHECK2(bp[6], 2); + if (ndo->ndo_vflag > 1) + ND_PRINT((ndo, "\n")); + ND_PRINT((ndo, " Hold time: ")); + relts_print(ndo, EXTRACT_16BITS(&bp[6])); + if (ndo->ndo_vflag < 2) return; bp += 8; len -= 8; - TCHECK2(bp[0], 4); - maddrlen = bp[1]; - addrlen = bp[2]; + ND_TCHECK2(bp[0], 4); ngroups = bp[3]; bp += 4; len -= 4; @@ -172,15 +189,15 @@ pimv1_join_prune_print(register const u_char *bp, register u_int len) * XXX - does the address have length "addrlen" and the * mask length "maddrlen"? */ - TCHECK2(bp[0], sizeof(struct in_addr)); - (void)printf("\n\tGroup: %s", ipaddr_string(bp)); - TCHECK2(bp[4], sizeof(struct in_addr)); + ND_TCHECK2(bp[0], sizeof(struct in_addr)); + ND_PRINT((ndo, "\n\tGroup: %s", ipaddr_string(ndo, bp))); + ND_TCHECK2(bp[4], sizeof(struct in_addr)); if (EXTRACT_32BITS(&bp[4]) != 0xffffffff) - (void)printf("/%s", ipaddr_string(&bp[4])); - TCHECK2(bp[8], 4); + ND_PRINT((ndo, "/%s", ipaddr_string(ndo, &bp[4]))); + ND_TCHECK2(bp[8], 4); njoin = EXTRACT_16BITS(&bp[8]); nprune = EXTRACT_16BITS(&bp[10]); - (void)printf(" joined: %d pruned: %d", njoin, nprune); + ND_PRINT((ndo, " joined: %d pruned: %d", njoin, nprune)); bp += 12; len -= 12; for (njp = 0; njp < (njoin + nprune); njp++) { @@ -190,127 +207,108 @@ pimv1_join_prune_print(register const u_char *bp, register u_int len) type = "Join "; else type = "Prune"; - TCHECK2(bp[0], 6); - (void)printf("\n\t%s %s%s%s%s/%d", type, + ND_TCHECK2(bp[0], 6); + ND_PRINT((ndo, "\n\t%s %s%s%s%s/%d", type, (bp[0] & 0x01) ? "Sparse " : "Dense ", (bp[1] & 0x80) ? "WC " : "", (bp[1] & 0x40) ? "RP " : "SPT ", - ipaddr_string(&bp[2]), bp[1] & 0x3f); + ipaddr_string(ndo, &bp[2]), bp[1] & 0x3f)); bp += 6; len -= 6; } } return; trunc: - (void)printf("[|pim]"); + ND_PRINT((ndo, "[|pim]")); return; } void -pimv1_print(register const u_char *bp, register u_int len) +pimv1_print(netdissect_options *ndo, + register const u_char *bp, register u_int len) { register const u_char *ep; register u_char type; - ep = (const u_char *)snapend; + ep = (const u_char *)ndo->ndo_snapend; if (bp >= ep) return; - TCHECK(bp[1]); + ND_TCHECK(bp[1]); type = bp[1]; + ND_PRINT((ndo, " %s", tok2str(pimv1_type_str, "[type %u]", type))); switch (type) { - case 0: - (void)printf(" Query"); - if (TTEST(bp[8])) { + case PIMV1_TYPE_QUERY: + if (ND_TTEST(bp[8])) { switch (bp[8] >> 4) { case 0: - (void)printf(" Dense-mode"); + ND_PRINT((ndo, " Dense-mode")); break; case 1: - (void)printf(" Sparse-mode"); + ND_PRINT((ndo, " Sparse-mode")); break; case 2: - (void)printf(" Sparse-Dense-mode"); + ND_PRINT((ndo, " Sparse-Dense-mode")); break; default: - (void)printf(" mode-%d", bp[8] >> 4); + ND_PRINT((ndo, " mode-%d", bp[8] >> 4)); break; } } - if (vflag) { - TCHECK2(bp[10],2); - (void)printf(" (Hold-time "); - relts_print(EXTRACT_16BITS(&bp[10])); - (void)printf(")"); + if (ndo->ndo_vflag) { + ND_TCHECK2(bp[10],2); + ND_PRINT((ndo, " (Hold-time ")); + relts_print(ndo, EXTRACT_16BITS(&bp[10])); + ND_PRINT((ndo, ")")); } break; - case 1: - (void)printf(" Register"); - TCHECK2(bp[8], 20); /* ip header */ - (void)printf(" for %s > %s", ipaddr_string(&bp[20]), - ipaddr_string(&bp[24])); + case PIMV1_TYPE_REGISTER: + ND_TCHECK2(bp[8], 20); /* ip header */ + ND_PRINT((ndo, " for %s > %s", ipaddr_string(ndo, &bp[20]), + ipaddr_string(ndo, &bp[24]))); break; - case 2: - (void)printf(" Register-Stop"); - TCHECK2(bp[12], sizeof(struct in_addr)); - (void)printf(" for %s > %s", ipaddr_string(&bp[8]), - ipaddr_string(&bp[12])); - break; - case 3: - (void)printf(" Join/Prune"); - if (vflag) - pimv1_join_prune_print(&bp[8], len - 8); + case PIMV1_TYPE_REGISTER_STOP: + ND_TCHECK2(bp[12], sizeof(struct in_addr)); + ND_PRINT((ndo, " for %s > %s", ipaddr_string(ndo, &bp[8]), + ipaddr_string(ndo, &bp[12]))); break; - case 4: - (void)printf(" RP-reachable"); - if (vflag) { - TCHECK2(bp[22], 2); - (void)printf(" group %s", - ipaddr_string(&bp[8])); + case PIMV1_TYPE_RP_REACHABILITY: + if (ndo->ndo_vflag) { + ND_TCHECK2(bp[22], 2); + ND_PRINT((ndo, " group %s", ipaddr_string(ndo, &bp[8]))); if (EXTRACT_32BITS(&bp[12]) != 0xffffffff) - (void)printf("/%s", ipaddr_string(&bp[12])); - (void)printf(" RP %s hold ", ipaddr_string(&bp[16])); - relts_print(EXTRACT_16BITS(&bp[22])); + ND_PRINT((ndo, "/%s", ipaddr_string(ndo, &bp[12]))); + ND_PRINT((ndo, " RP %s hold ", ipaddr_string(ndo, &bp[16]))); + relts_print(ndo, EXTRACT_16BITS(&bp[22])); } break; - case 5: - (void)printf(" Assert"); - TCHECK2(bp[16], sizeof(struct in_addr)); - (void)printf(" for %s > %s", ipaddr_string(&bp[16]), - ipaddr_string(&bp[8])); + case PIMV1_TYPE_ASSERT: + ND_TCHECK2(bp[16], sizeof(struct in_addr)); + ND_PRINT((ndo, " for %s > %s", ipaddr_string(ndo, &bp[16]), + ipaddr_string(ndo, &bp[8]))); if (EXTRACT_32BITS(&bp[12]) != 0xffffffff) - (void)printf("/%s", ipaddr_string(&bp[12])); - TCHECK2(bp[24], 4); - (void)printf(" %s pref %d metric %d", + ND_PRINT((ndo, "/%s", ipaddr_string(ndo, &bp[12]))); + ND_TCHECK2(bp[24], 4); + ND_PRINT((ndo, " %s pref %d metric %d", (bp[20] & 0x80) ? "RP-tree" : "SPT", EXTRACT_32BITS(&bp[20]) & 0x7fffffff, - EXTRACT_32BITS(&bp[24])); - break; - case 6: - (void)printf(" Graft"); - if (vflag) - pimv1_join_prune_print(&bp[8], len - 8); + EXTRACT_32BITS(&bp[24]))); break; - case 7: - (void)printf(" Graft-ACK"); - if (vflag) - pimv1_join_prune_print(&bp[8], len - 8); - break; - case 8: - (void)printf(" Mode"); - break; - default: - (void)printf(" [type %d]", type); + case PIMV1_TYPE_JOIN_PRUNE: + case PIMV1_TYPE_GRAFT: + case PIMV1_TYPE_GRAFT_ACK: + if (ndo->ndo_vflag) + pimv1_join_prune_print(ndo, &bp[8], len - 8); break; } if ((bp[4] >> 4) != 1) - (void)printf(" [v%d]", bp[4] >> 4); + ND_PRINT((ndo, " [v%d]", bp[4] >> 4)); return; trunc: - (void)printf("[|pim]"); + ND_PRINT((ndo, "[|pim]")); return; } @@ -321,37 +319,38 @@ trunc: * This implements version 1+, dated Sept 9, 1998. */ void -cisco_autorp_print(register const u_char *bp, register u_int len) +cisco_autorp_print(netdissect_options *ndo, + register const u_char *bp, register u_int len) { int type; int numrps; int hold; - TCHECK(bp[0]); - (void)printf(" auto-rp "); + ND_TCHECK(bp[0]); + ND_PRINT((ndo, " auto-rp ")); type = bp[0]; switch (type) { case 0x11: - (void)printf("candidate-advert"); + ND_PRINT((ndo, "candidate-advert")); break; case 0x12: - (void)printf("mapping"); + ND_PRINT((ndo, "mapping")); break; default: - (void)printf("type-0x%02x", type); + ND_PRINT((ndo, "type-0x%02x", type)); break; } - TCHECK(bp[1]); + ND_TCHECK(bp[1]); numrps = bp[1]; - TCHECK2(bp[2], 2); - (void)printf(" Hold "); + ND_TCHECK2(bp[2], 2); + ND_PRINT((ndo, " Hold ")); hold = EXTRACT_16BITS(&bp[2]); if (hold) - relts_print(EXTRACT_16BITS(&bp[2])); + relts_print(ndo, EXTRACT_16BITS(&bp[2])); else - printf("FOREVER"); + ND_PRINT((ndo, "FOREVER")); /* Next 4 bytes are reserved. */ @@ -374,34 +373,34 @@ cisco_autorp_print(register const u_char *bp, register u_int len) int nentries; char s; - TCHECK2(bp[0], 4); - (void)printf(" RP %s", ipaddr_string(bp)); - TCHECK(bp[4]); + ND_TCHECK2(bp[0], 4); + ND_PRINT((ndo, " RP %s", ipaddr_string(ndo, bp))); + ND_TCHECK(bp[4]); switch (bp[4] & 0x3) { - case 0: printf(" PIMv?"); + case 0: ND_PRINT((ndo, " PIMv?")); break; - case 1: printf(" PIMv1"); + case 1: ND_PRINT((ndo, " PIMv1")); break; - case 2: printf(" PIMv2"); + case 2: ND_PRINT((ndo, " PIMv2")); break; - case 3: printf(" PIMv1+2"); + case 3: ND_PRINT((ndo, " PIMv1+2")); break; } if (bp[4] & 0xfc) - (void)printf(" [rsvd=0x%02x]", bp[4] & 0xfc); - TCHECK(bp[5]); + ND_PRINT((ndo, " [rsvd=0x%02x]", bp[4] & 0xfc)); + ND_TCHECK(bp[5]); nentries = bp[5]; bp += 6; len -= 6; s = ' '; for (; nentries; nentries--) { - TCHECK2(bp[0], 6); - (void)printf("%c%s%s/%d", s, bp[0] & 1 ? "!" : "", - ipaddr_string(&bp[2]), bp[1]); + ND_TCHECK2(bp[0], 6); + ND_PRINT((ndo, "%c%s%s/%d", s, bp[0] & 1 ? "!" : "", + ipaddr_string(ndo, &bp[2]), bp[1])); if (bp[0] & 0x02) { - (void)printf(" bidir"); + ND_PRINT((ndo, " bidir")); } if (bp[0] & 0xfc) { - (void)printf("[rsvd=0x%02x]", bp[0] & 0xfc); + ND_PRINT((ndo, "[rsvd=0x%02x]", bp[0] & 0xfc)); } s = ','; bp += 6; len -= 6; @@ -410,43 +409,44 @@ cisco_autorp_print(register const u_char *bp, register u_int len) return; trunc: - (void)printf("[|autorp]"); + ND_PRINT((ndo, "[|autorp]")); return; } void -pim_print(register const u_char *bp, register u_int len, u_int cksum) +pim_print(netdissect_options *ndo, + register const u_char *bp, register u_int len, u_int cksum) { register const u_char *ep; register struct pim *pim = (struct pim *)bp; - ep = (const u_char *)snapend; + ep = (const u_char *)ndo->ndo_snapend; if (bp >= ep) return; #ifdef notyet /* currently we see only version and type */ - TCHECK(pim->pim_rsv); + ND_TCHECK(pim->pim_rsv); #endif switch (PIM_VER(pim->pim_typever)) { case 2: - if (!vflag) { - printf("PIMv%u, %s, length %u", - PIM_VER(pim->pim_typever), - tok2str(pimv2_type_values,"Unknown Type",PIM_TYPE(pim->pim_typever)), - len); - return; - } else { - printf("PIMv%u, length %u\n\t%s", - PIM_VER(pim->pim_typever), - len, - tok2str(pimv2_type_values,"Unknown Type",PIM_TYPE(pim->pim_typever))); - pimv2_print(bp, len, cksum); - } - break; + if (!ndo->ndo_vflag) { + ND_PRINT((ndo, "PIMv%u, %s, length %u", + PIM_VER(pim->pim_typever), + tok2str(pimv2_type_values,"Unknown Type",PIM_TYPE(pim->pim_typever)), + len)); + return; + } else { + ND_PRINT((ndo, "PIMv%u, length %u\n\t%s", + PIM_VER(pim->pim_typever), + len, + tok2str(pimv2_type_values,"Unknown Type",PIM_TYPE(pim->pim_typever)))); + pimv2_print(ndo, bp, len, cksum); + } + break; default: - printf("PIMv%u, length %u", - PIM_VER(pim->pim_typever), - len); + ND_PRINT((ndo, "PIMv%u, length %u", + PIM_VER(pim->pim_typever), + len)); break; } return; @@ -519,15 +519,16 @@ enum pimv2_addrtype { * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ static int -pimv2_addr_print(const u_char *bp, enum pimv2_addrtype at, int silent) +pimv2_addr_print(netdissect_options *ndo, + const u_char *bp, enum pimv2_addrtype at, int silent) { int af; int len, hdrlen; - TCHECK(bp[0]); + ND_TCHECK(bp[0]); if (pimv2_addr_len == 0) { - TCHECK(bp[1]); + ND_TCHECK(bp[1]); switch (bp[0]) { case 1: af = AF_INET; @@ -566,49 +567,49 @@ pimv2_addr_print(const u_char *bp, enum pimv2_addrtype at, int silent) bp += hdrlen; switch (at) { case pimv2_unicast: - TCHECK2(bp[0], len); + ND_TCHECK2(bp[0], len); if (af == AF_INET) { if (!silent) - (void)printf("%s", ipaddr_string(bp)); + ND_PRINT((ndo, "%s", ipaddr_string(ndo, bp))); } #ifdef INET6 else if (af == AF_INET6) { if (!silent) - (void)printf("%s", ip6addr_string(bp)); + ND_PRINT((ndo, "%s", ip6addr_string(ndo, bp))); } #endif return hdrlen + len; case pimv2_group: case pimv2_source: - TCHECK2(bp[0], len + 2); + ND_TCHECK2(bp[0], len + 2); if (af == AF_INET) { if (!silent) { - (void)printf("%s", ipaddr_string(bp + 2)); + ND_PRINT((ndo, "%s", ipaddr_string(ndo, bp + 2))); if (bp[1] != 32) - (void)printf("/%u", bp[1]); + ND_PRINT((ndo, "/%u", bp[1])); } } #ifdef INET6 else if (af == AF_INET6) { if (!silent) { - (void)printf("%s", ip6addr_string(bp + 2)); + ND_PRINT((ndo, "%s", ip6addr_string(ndo, bp + 2))); if (bp[1] != 128) - (void)printf("/%u", bp[1]); + ND_PRINT((ndo, "/%u", bp[1])); } } #endif if (bp[0] && !silent) { if (at == pimv2_group) { - (void)printf("(0x%02x)", bp[0]); + ND_PRINT((ndo, "(0x%02x)", bp[0])); } else { - (void)printf("(%s%s%s", + ND_PRINT((ndo, "(%s%s%s", bp[0] & 0x04 ? "S" : "", bp[0] & 0x02 ? "W" : "", - bp[0] & 0x01 ? "R" : ""); + bp[0] & 0x01 ? "R" : "")); if (bp[0] & 0xf8) { - (void) printf("+0x%02x", bp[0] & 0xf8); + ND_PRINT((ndo, "+0x%02x", bp[0] & 0xf8)); } - (void)printf(")"); + ND_PRINT((ndo, ")")); } } return hdrlen + 2 + len; @@ -620,110 +621,110 @@ trunc: } static void -pimv2_print(register const u_char *bp, register u_int len, u_int cksum) +pimv2_print(netdissect_options *ndo, + register const u_char *bp, register u_int len, u_int cksum) { register const u_char *ep; register struct pim *pim = (struct pim *)bp; int advance; - ep = (const u_char *)snapend; + ep = (const u_char *)ndo->ndo_snapend; if (bp >= ep) return; if (ep > bp + len) ep = bp + len; - TCHECK(pim->pim_rsv); + ND_TCHECK(pim->pim_rsv); pimv2_addr_len = pim->pim_rsv; if (pimv2_addr_len != 0) - (void)printf(", RFC2117-encoding"); + ND_PRINT((ndo, ", RFC2117-encoding")); - printf(", cksum 0x%04x ", EXTRACT_16BITS(&pim->pim_cksum)); - if (EXTRACT_16BITS(&pim->pim_cksum) == 0) { - printf("(unverified)"); - } else { - printf("(%scorrect)", TTEST2(bp[0], len) && cksum ? "in" : "" ); - } + ND_PRINT((ndo, ", cksum 0x%04x ", EXTRACT_16BITS(&pim->pim_cksum))); + if (EXTRACT_16BITS(&pim->pim_cksum) == 0) { + ND_PRINT((ndo, "(unverified)")); + } else { + ND_PRINT((ndo, "(%scorrect)", ND_TTEST2(bp[0], len) && cksum ? "in" : "" )); + } switch (PIM_TYPE(pim->pim_typever)) { case PIMV2_TYPE_HELLO: { - u_int16_t otype, olen; + uint16_t otype, olen; bp += 4; while (bp < ep) { - TCHECK2(bp[0], 4); + ND_TCHECK2(bp[0], 4); otype = EXTRACT_16BITS(&bp[0]); olen = EXTRACT_16BITS(&bp[2]); - TCHECK2(bp[0], 4 + olen); - - printf("\n\t %s Option (%u), length %u, Value: ", - tok2str( pimv2_hello_option_values,"Unknown",otype), - otype, - olen); + ND_TCHECK2(bp[0], 4 + olen); + ND_PRINT((ndo, "\n\t %s Option (%u), length %u, Value: ", + tok2str(pimv2_hello_option_values, "Unknown", otype), + otype, + olen)); bp += 4; switch (otype) { case PIMV2_HELLO_OPTION_HOLDTIME: - relts_print(EXTRACT_16BITS(bp)); - break; + relts_print(ndo, EXTRACT_16BITS(bp)); + break; case PIMV2_HELLO_OPTION_LANPRUNEDELAY: if (olen != 4) { - (void)printf("ERROR: Option Length != 4 Bytes (%u)", olen); + ND_PRINT((ndo, "ERROR: Option Length != 4 Bytes (%u)", olen)); } else { char t_bit; - u_int16_t lan_delay, override_interval; + uint16_t lan_delay, override_interval; lan_delay = EXTRACT_16BITS(bp); override_interval = EXTRACT_16BITS(bp+2); t_bit = (lan_delay & 0x8000)? 1 : 0; lan_delay &= ~0x8000; - (void)printf("\n\t T-bit=%d, LAN delay %dms, Override interval %dms", - t_bit, lan_delay, override_interval); + ND_PRINT((ndo, "\n\t T-bit=%d, LAN delay %dms, Override interval %dms", + t_bit, lan_delay, override_interval)); } break; case PIMV2_HELLO_OPTION_DR_PRIORITY_OLD: case PIMV2_HELLO_OPTION_DR_PRIORITY: - switch (olen) { - case 0: - printf("Bi-Directional Capability (Old)"); - break; - case 4: - printf("%u", EXTRACT_32BITS(bp)); - break; - default: - printf("ERROR: Option Length != 4 Bytes (%u)", olen); - break; - } - break; + switch (olen) { + case 0: + ND_PRINT((ndo, "Bi-Directional Capability (Old)")); + break; + case 4: + ND_PRINT((ndo, "%u", EXTRACT_32BITS(bp))); + break; + default: + ND_PRINT((ndo, "ERROR: Option Length != 4 Bytes (%u)", olen)); + break; + } + break; case PIMV2_HELLO_OPTION_GENID: - (void)printf("0x%08x", EXTRACT_32BITS(bp)); + ND_PRINT((ndo, "0x%08x", EXTRACT_32BITS(bp))); break; case PIMV2_HELLO_OPTION_REFRESH_CAP: - (void)printf("v%d", *bp); + ND_PRINT((ndo, "v%d", *bp)); if (*(bp+1) != 0) { - (void)printf(", interval "); - relts_print(*(bp+1)); + ND_PRINT((ndo, ", interval ")); + relts_print(ndo, *(bp+1)); } if (EXTRACT_16BITS(bp+2) != 0) { - (void)printf(" ?0x%04x?", EXTRACT_16BITS(bp+2)); + ND_PRINT((ndo, " ?0x%04x?", EXTRACT_16BITS(bp+2))); } break; case PIMV2_HELLO_OPTION_BIDIR_CAP: break; - case PIMV2_HELLO_OPTION_ADDRESS_LIST_OLD: - case PIMV2_HELLO_OPTION_ADDRESS_LIST: - if (vflag > 1) { + case PIMV2_HELLO_OPTION_ADDRESS_LIST_OLD: + case PIMV2_HELLO_OPTION_ADDRESS_LIST: + if (ndo->ndo_vflag > 1) { const u_char *ptr = bp; while (ptr < (bp+olen)) { int advance; - printf("\n\t "); - advance = pimv2_addr_print(ptr, pimv2_unicast, 0); + ND_PRINT((ndo, "\n\t ")); + advance = pimv2_addr_print(ndo, ptr, pimv2_unicast, 0); if (advance < 0) { - printf("..."); + ND_PRINT((ndo, "...")); break; } ptr += advance; @@ -731,13 +732,13 @@ pimv2_print(register const u_char *bp, register u_int len, u_int cksum) } break; default: - if (vflag <= 1) - print_unknown_data(bp,"\n\t ",olen); - break; + if (ndo->ndo_vflag <= 1) + print_unknown_data(ndo, bp, "\n\t ", olen); + break; } - /* do we want to see an additionally hexdump ? */ - if (vflag> 1) - print_unknown_data(bp,"\n\t ",olen); + /* do we want to see an additionally hexdump ? */ + if (ndo->ndo_vflag> 1) + print_unknown_data(ndo, bp, "\n\t ", olen); bp += olen; } break; @@ -747,35 +748,34 @@ pimv2_print(register const u_char *bp, register u_int len, u_int cksum) { struct ip *ip; - if (!TTEST2(*(bp+4), PIMV2_REGISTER_FLAG_LEN)) - goto trunc; + ND_TCHECK2(*(bp + 4), PIMV2_REGISTER_FLAG_LEN); - printf(", Flags [ %s ]\n\t", - tok2str(pimv2_register_flag_values, - "none", - EXTRACT_32BITS(bp+4))); + ND_PRINT((ndo, ", Flags [ %s ]\n\t", + tok2str(pimv2_register_flag_values, + "none", + EXTRACT_32BITS(bp+4)))); bp += 8; len -= 8; /* encapsulated multicast packet */ ip = (struct ip *)bp; switch (IP_V(ip)) { case 0: /* Null header */ - (void)printf("IP-Null-header %s > %s", - ipaddr_string(&ip->ip_src), - ipaddr_string(&ip->ip_dst)); + ND_PRINT((ndo, "IP-Null-header %s > %s", + ipaddr_string(ndo, &ip->ip_src), + ipaddr_string(ndo, &ip->ip_dst))); break; case 4: /* IPv4 */ - ip_print(gndo, bp, len); + ip_print(ndo, bp, len); break; #ifdef INET6 case 6: /* IPv6 */ - ip6_print(gndo, bp, len); + ip6_print(ndo, bp, len); break; #endif - default: - (void)printf("IP ver %d", IP_V(ip)); - break; + default: + ND_PRINT((ndo, "IP ver %d", IP_V(ip))); + break; } break; } @@ -784,17 +784,17 @@ pimv2_print(register const u_char *bp, register u_int len, u_int cksum) bp += 4; len -= 4; if (bp >= ep) break; - (void)printf(" group="); - if ((advance = pimv2_addr_print(bp, pimv2_group, 0)) < 0) { - (void)printf("..."); + ND_PRINT((ndo, " group=")); + if ((advance = pimv2_addr_print(ndo, bp, pimv2_group, 0)) < 0) { + ND_PRINT((ndo, "...")); break; } bp += advance; len -= advance; if (bp >= ep) break; - (void)printf(" source="); - if ((advance = pimv2_addr_print(bp, pimv2_unicast, 0)) < 0) { - (void)printf("..."); + ND_PRINT((ndo, " source=")); + if ((advance = pimv2_addr_print(ndo, bp, pimv2_unicast, 0)) < 0) { + ND_PRINT((ndo, "...")); break; } bp += advance; len -= advance; @@ -841,19 +841,19 @@ pimv2_print(register const u_char *bp, register u_int len, u_int cksum) */ { - u_int8_t ngroup; - u_int16_t holdtime; - u_int16_t njoin; - u_int16_t nprune; + uint8_t ngroup; + uint16_t holdtime; + uint16_t njoin; + uint16_t nprune; int i, j; bp += 4; len -= 4; if (PIM_TYPE(pim->pim_typever) != 7) { /*not for Graft-ACK*/ if (bp >= ep) break; - (void)printf(", upstream-neighbor: "); - if ((advance = pimv2_addr_print(bp, pimv2_unicast, 0)) < 0) { - (void)printf("..."); + ND_PRINT((ndo, ", upstream-neighbor: ")); + if ((advance = pimv2_addr_print(ndo, bp, pimv2_unicast, 0)) < 0) { + ND_PRINT((ndo, "...")); break; } bp += advance; len -= advance; @@ -862,44 +862,44 @@ pimv2_print(register const u_char *bp, register u_int len, u_int cksum) break; ngroup = bp[1]; holdtime = EXTRACT_16BITS(&bp[2]); - (void)printf("\n\t %u group(s)", ngroup); + ND_PRINT((ndo, "\n\t %u group(s)", ngroup)); if (PIM_TYPE(pim->pim_typever) != 7) { /*not for Graft-ACK*/ - (void)printf(", holdtime: "); + ND_PRINT((ndo, ", holdtime: ")); if (holdtime == 0xffff) - (void)printf("infinite"); + ND_PRINT((ndo, "infinite")); else - relts_print(holdtime); + relts_print(ndo, holdtime); } bp += 4; len -= 4; for (i = 0; i < ngroup; i++) { if (bp >= ep) goto jp_done; - (void)printf("\n\t group #%u: ", i+1); - if ((advance = pimv2_addr_print(bp, pimv2_group, 0)) < 0) { - (void)printf("...)"); + ND_PRINT((ndo, "\n\t group #%u: ", i+1)); + if ((advance = pimv2_addr_print(ndo, bp, pimv2_group, 0)) < 0) { + ND_PRINT((ndo, "...)")); goto jp_done; } bp += advance; len -= advance; if (bp + 4 > ep) { - (void)printf("...)"); + ND_PRINT((ndo, "...)")); goto jp_done; } njoin = EXTRACT_16BITS(&bp[0]); nprune = EXTRACT_16BITS(&bp[2]); - (void)printf(", joined sources: %u, pruned sources: %u", njoin,nprune); + ND_PRINT((ndo, ", joined sources: %u, pruned sources: %u", njoin, nprune)); bp += 4; len -= 4; for (j = 0; j < njoin; j++) { - (void)printf("\n\t joined source #%u: ",j+1); - if ((advance = pimv2_addr_print(bp, pimv2_source, 0)) < 0) { - (void)printf("...)"); + ND_PRINT((ndo, "\n\t joined source #%u: ", j+1)); + if ((advance = pimv2_addr_print(ndo, bp, pimv2_source, 0)) < 0) { + ND_PRINT((ndo, "...)")); goto jp_done; } bp += advance; len -= advance; } for (j = 0; j < nprune; j++) { - (void)printf("\n\t pruned source #%u: ",j+1); - if ((advance = pimv2_addr_print(bp, pimv2_source, 0)) < 0) { - (void)printf("...)"); + ND_PRINT((ndo, "\n\t pruned source #%u: ", j+1)); + if ((advance = pimv2_addr_print(ndo, bp, pimv2_source, 0)) < 0) { + ND_PRINT((ndo, "...)")); goto jp_done; } bp += advance; len -= advance; @@ -915,72 +915,72 @@ pimv2_print(register const u_char *bp, register u_int len, u_int cksum) bp += 4; /* Fragment Tag, Hash Mask len, and BSR-priority */ - if (bp + sizeof(u_int16_t) >= ep) break; - (void)printf(" tag=%x", EXTRACT_16BITS(bp)); - bp += sizeof(u_int16_t); + if (bp + sizeof(uint16_t) >= ep) break; + ND_PRINT((ndo, " tag=%x", EXTRACT_16BITS(bp))); + bp += sizeof(uint16_t); if (bp >= ep) break; - (void)printf(" hashmlen=%d", bp[0]); + ND_PRINT((ndo, " hashmlen=%d", bp[0])); if (bp + 1 >= ep) break; - (void)printf(" BSRprio=%d", bp[1]); + ND_PRINT((ndo, " BSRprio=%d", bp[1])); bp += 2; /* Encoded-Unicast-BSR-Address */ if (bp >= ep) break; - (void)printf(" BSR="); - if ((advance = pimv2_addr_print(bp, pimv2_unicast, 0)) < 0) { - (void)printf("..."); + ND_PRINT((ndo, " BSR=")); + if ((advance = pimv2_addr_print(ndo, bp, pimv2_unicast, 0)) < 0) { + ND_PRINT((ndo, "...")); break; } bp += advance; for (i = 0; bp < ep; i++) { /* Encoded-Group Address */ - (void)printf(" (group%d: ", i); - if ((advance = pimv2_addr_print(bp, pimv2_group, 0)) + ND_PRINT((ndo, " (group%d: ", i)); + if ((advance = pimv2_addr_print(ndo, bp, pimv2_group, 0)) < 0) { - (void)printf("...)"); + ND_PRINT((ndo, "...)")); goto bs_done; } bp += advance; /* RP-Count, Frag RP-Cnt, and rsvd */ if (bp >= ep) { - (void)printf("...)"); + ND_PRINT((ndo, "...)")); goto bs_done; } - (void)printf(" RPcnt=%d", bp[0]); + ND_PRINT((ndo, " RPcnt=%d", bp[0])); if (bp + 1 >= ep) { - (void)printf("...)"); + ND_PRINT((ndo, "...)")); goto bs_done; } - (void)printf(" FRPcnt=%d", frpcnt = bp[1]); + ND_PRINT((ndo, " FRPcnt=%d", frpcnt = bp[1])); bp += 4; for (j = 0; j < frpcnt && bp < ep; j++) { /* each RP info */ - (void)printf(" RP%d=", j); - if ((advance = pimv2_addr_print(bp, + ND_PRINT((ndo, " RP%d=", j)); + if ((advance = pimv2_addr_print(ndo, bp, pimv2_unicast, 0)) < 0) { - (void)printf("...)"); + ND_PRINT((ndo, "...)")); goto bs_done; } bp += advance; if (bp + 1 >= ep) { - (void)printf("...)"); + ND_PRINT((ndo, "...)")); goto bs_done; } - (void)printf(",holdtime="); - relts_print(EXTRACT_16BITS(bp)); + ND_PRINT((ndo, ",holdtime=")); + relts_print(ndo, EXTRACT_16BITS(bp)); if (bp + 2 >= ep) { - (void)printf("...)"); + ND_PRINT((ndo, "...)")); goto bs_done; } - (void)printf(",prio=%d", bp[2]); + ND_PRINT((ndo, ",prio=%d", bp[2])); bp += 4; } - (void)printf(")"); + ND_PRINT((ndo, ")")); } bs_done: break; @@ -989,26 +989,26 @@ pimv2_print(register const u_char *bp, register u_int len, u_int cksum) bp += 4; len -= 4; if (bp >= ep) break; - (void)printf(" group="); - if ((advance = pimv2_addr_print(bp, pimv2_group, 0)) < 0) { - (void)printf("..."); + ND_PRINT((ndo, " group=")); + if ((advance = pimv2_addr_print(ndo, bp, pimv2_group, 0)) < 0) { + ND_PRINT((ndo, "...")); break; } bp += advance; len -= advance; if (bp >= ep) break; - (void)printf(" src="); - if ((advance = pimv2_addr_print(bp, pimv2_unicast, 0)) < 0) { - (void)printf("..."); + ND_PRINT((ndo, " src=")); + if ((advance = pimv2_addr_print(ndo, bp, pimv2_unicast, 0)) < 0) { + ND_PRINT((ndo, "...")); break; } bp += advance; len -= advance; if (bp + 8 > ep) break; if (bp[0] & 0x80) - (void)printf(" RPT"); - (void)printf(" pref=%u", EXTRACT_32BITS(&bp[0]) & 0x7fffffff); - (void)printf(" metric=%u", EXTRACT_32BITS(&bp[4])); + ND_PRINT((ndo, " RPT")); + ND_PRINT((ndo, " pref=%u", EXTRACT_32BITS(&bp[0]) & 0x7fffffff)); + ND_PRINT((ndo, " metric=%u", EXTRACT_32BITS(&bp[4]))); break; case PIMV2_TYPE_CANDIDATE_RP: @@ -1018,30 +1018,30 @@ pimv2_print(register const u_char *bp, register u_int len, u_int cksum) /* Prefix-Cnt, Priority, and Holdtime */ if (bp >= ep) break; - (void)printf(" prefix-cnt=%d", bp[0]); + ND_PRINT((ndo, " prefix-cnt=%d", bp[0])); pfxcnt = bp[0]; if (bp + 1 >= ep) break; - (void)printf(" prio=%d", bp[1]); + ND_PRINT((ndo, " prio=%d", bp[1])); if (bp + 3 >= ep) break; - (void)printf(" holdtime="); - relts_print(EXTRACT_16BITS(&bp[2])); + ND_PRINT((ndo, " holdtime=")); + relts_print(ndo, EXTRACT_16BITS(&bp[2])); bp += 4; /* Encoded-Unicast-RP-Address */ if (bp >= ep) break; - (void)printf(" RP="); - if ((advance = pimv2_addr_print(bp, pimv2_unicast, 0)) < 0) { - (void)printf("..."); + ND_PRINT((ndo, " RP=")); + if ((advance = pimv2_addr_print(ndo, bp, pimv2_unicast, 0)) < 0) { + ND_PRINT((ndo, "...")); break; } bp += advance; /* Encoded-Group Addresses */ for (i = 0; i < pfxcnt && bp < ep; i++) { - (void)printf(" Group%d=", i); - if ((advance = pimv2_addr_print(bp, pimv2_group, 0)) + ND_PRINT((ndo, " Group%d=", i)); + if ((advance = pimv2_addr_print(ndo, bp, pimv2_group, 0)) < 0) { - (void)printf("..."); + ND_PRINT((ndo, "...")); break; } bp += advance; @@ -1050,39 +1050,39 @@ pimv2_print(register const u_char *bp, register u_int len, u_int cksum) } case PIMV2_TYPE_PRUNE_REFRESH: - (void)printf(" src="); - if ((advance = pimv2_addr_print(bp, pimv2_unicast, 0)) < 0) { - (void)printf("..."); + ND_PRINT((ndo, " src=")); + if ((advance = pimv2_addr_print(ndo, bp, pimv2_unicast, 0)) < 0) { + ND_PRINT((ndo, "...")); break; } bp += advance; - (void)printf(" grp="); - if ((advance = pimv2_addr_print(bp, pimv2_group, 0)) < 0) { - (void)printf("..."); + ND_PRINT((ndo, " grp=")); + if ((advance = pimv2_addr_print(ndo, bp, pimv2_group, 0)) < 0) { + ND_PRINT((ndo, "...")); break; } bp += advance; - (void)printf(" forwarder="); - if ((advance = pimv2_addr_print(bp, pimv2_unicast, 0)) < 0) { - (void)printf("..."); + ND_PRINT((ndo, " forwarder=")); + if ((advance = pimv2_addr_print(ndo, bp, pimv2_unicast, 0)) < 0) { + ND_PRINT((ndo, "...")); break; } bp += advance; - TCHECK2(bp[0], 2); - (void)printf(" TUNR "); - relts_print(EXTRACT_16BITS(bp)); + ND_TCHECK2(bp[0], 2); + ND_PRINT((ndo, " TUNR ")); + relts_print(ndo, EXTRACT_16BITS(bp)); break; default: - (void)printf(" [type %d]", PIM_TYPE(pim->pim_typever)); + ND_PRINT((ndo, " [type %d]", PIM_TYPE(pim->pim_typever))); break; } return; trunc: - (void)printf("[|pim]"); + ND_PRINT((ndo, "[|pim]")); } /*