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tcpdump.256
tcpdump-CVE-2014-8769.patch
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File tcpdump-CVE-2014-8769.patch of Package tcpdump.256
From ab4e52b94aac6cb729a5a695aa612d5ebda2ec3a Mon Sep 17 00:00:00 2001 From: Guy Harris <guy@alum.mit.edu> Date: Tue, 11 Nov 2014 17:24:12 -0800 Subject: [PATCH 3/3] Add initial bounds check, get rid of union aodv. Fetch the type field without using a structure, and check to make sure it's not past the end of the packet. Pass to each dissection routine a pointer to the appropriate message type structure, rather than a pointer to a union of all the message type structures. --- print-aodv.c | 274 ++++++++++++++++++++++++++++------------------------------- 1 file changed, 130 insertions(+), 144 deletions(-) Index: tcpdump-4.5.1/print-aodv.c =================================================================== --- tcpdump-4.5.1.orig/print-aodv.c 2014-12-02 12:17:12.977039456 +0100 +++ tcpdump-4.5.1/print-aodv.c 2014-12-11 17:30:44.255771307 +0100 @@ -82,7 +82,7 @@ aodv_extension(const struct aodv_ext *ep } static void -aodv_rreq(const union aodv *ap, const u_char *dat, u_int length) +aodv_rreq(const struct aodv_rreq *ap, const u_char *dat, u_int length) { u_int i; @@ -91,30 +91,30 @@ aodv_rreq(const union aodv *ap, const u_ return; } i = min(length, (u_int)(snapend - dat)); - if (i < sizeof(ap->rreq)) { + if (i < sizeof(*ap)) { printf(" [|rreq]"); return; } - i -= sizeof(ap->rreq); + i -= sizeof(*ap); printf(" rreq %u %s%s%s%s%shops %u id 0x%08lx\n" "\tdst %s seq %lu src %s seq %lu", length, - ap->rreq.rreq_type & RREQ_JOIN ? "[J]" : "", - ap->rreq.rreq_type & RREQ_REPAIR ? "[R]" : "", - ap->rreq.rreq_type & RREQ_GRAT ? "[G]" : "", - ap->rreq.rreq_type & RREQ_DEST ? "[D]" : "", - ap->rreq.rreq_type & RREQ_UNKNOWN ? "[U] " : " ", - ap->rreq.rreq_hops, - (unsigned long)EXTRACT_32BITS(&ap->rreq.rreq_id), - ipaddr_string(&ap->rreq.rreq_da), - (unsigned long)EXTRACT_32BITS(&ap->rreq.rreq_ds), - ipaddr_string(&ap->rreq.rreq_oa), - (unsigned long)EXTRACT_32BITS(&ap->rreq.rreq_os)); + ap->rreq_type & RREQ_JOIN ? "[J]" : "", + ap->rreq_type & RREQ_REPAIR ? "[R]" : "", + ap->rreq_type & RREQ_GRAT ? "[G]" : "", + ap->rreq_type & RREQ_DEST ? "[D]" : "", + ap->rreq_type & RREQ_UNKNOWN ? "[U] " : " ", + ap->rreq_hops, + (unsigned long)EXTRACT_32BITS(&ap->rreq_id), + ipaddr_string(&ap->rreq_da), + (unsigned long)EXTRACT_32BITS(&ap->rreq_ds), + ipaddr_string(&ap->rreq_oa), + (unsigned long)EXTRACT_32BITS(&ap->rreq_os)); if (i >= sizeof(struct aodv_ext)) - aodv_extension((void *)(&ap->rreq + 1), i); + aodv_extension((void *)(ap + 1), i); } static void -aodv_rrep(const union aodv *ap, const u_char *dat, u_int length) +aodv_rrep(const struct aodv_rrep *ap, const u_char *dat, u_int length) { u_int i; @@ -123,27 +123,27 @@ aodv_rrep(const union aodv *ap, const u_ return; } i = min(length, (u_int)(snapend - dat)); - if (i < sizeof(ap->rrep)) { + if (i < sizeof(*ap)) { printf(" [|rrep]"); return; } - i -= sizeof(ap->rrep); + i -= sizeof(*ap); printf(" rrep %u %s%sprefix %u hops %u\n" "\tdst %s dseq %lu src %s %lu ms", length, - ap->rrep.rrep_type & RREP_REPAIR ? "[R]" : "", - ap->rrep.rrep_type & RREP_ACK ? "[A] " : " ", - ap->rrep.rrep_ps & RREP_PREFIX_MASK, - ap->rrep.rrep_hops, - ipaddr_string(&ap->rrep.rrep_da), - (unsigned long)EXTRACT_32BITS(&ap->rrep.rrep_ds), - ipaddr_string(&ap->rrep.rrep_oa), - (unsigned long)EXTRACT_32BITS(&ap->rrep.rrep_life)); + ap->rrep_type & RREP_REPAIR ? "[R]" : "", + ap->rrep_type & RREP_ACK ? "[A] " : " ", + ap->rrep_ps & RREP_PREFIX_MASK, + ap->rrep_hops, + ipaddr_string(&ap->rrep_da), + (unsigned long)EXTRACT_32BITS(&ap->rrep_ds), + ipaddr_string(&ap->rrep_oa), + (unsigned long)EXTRACT_32BITS(&ap->rrep_life)); if (i >= sizeof(struct aodv_ext)) - aodv_extension((void *)(&ap->rrep + 1), i); + aodv_extension((void *)(ap + 1), i); } static void -aodv_rerr(const union aodv *ap, const u_char *dat, u_int length) +aodv_rerr(const struct aodv_rerr *ap, const u_char *dat, u_int length) { u_int i; const struct rerr_unreach *dp = NULL; @@ -159,14 +159,14 @@ aodv_rerr(const union aodv *ap, const u_ return; } i -= offsetof(struct aodv_rerr, r); - dp = &ap->rerr.r.dest[0]; - n = ap->rerr.rerr_dc * sizeof(ap->rerr.r.dest[0]); + dp = &ap->r.dest[0]; + n = ap->rerr_dc * sizeof(ap->r.dest[0]); printf(" rerr %s [items %u] [%u]:", - ap->rerr.rerr_flags & RERR_NODELETE ? "[D]" : "", - ap->rerr.rerr_dc, length); - trunc = n - (i/sizeof(ap->rerr.r.dest[0])); - for (; i >= sizeof(ap->rerr.r.dest[0]); - ++dp, i -= sizeof(ap->rerr.r.dest[0])) { + ap->rerr_flags & RERR_NODELETE ? "[D]" : "", + ap->rerr_dc, length); + trunc = n - (i/sizeof(ap->r.dest[0])); + for (; i >= sizeof(ap->r.dest[0]); + ++dp, i -= sizeof(ap->r.dest[0])) { printf(" {%s}(%ld)", ipaddr_string(&dp->u_da), (unsigned long)EXTRACT_32BITS(&dp->u_ds)); } @@ -176,9 +176,9 @@ aodv_rerr(const union aodv *ap, const u_ static void #ifdef INET6 -aodv_v6_rreq(const union aodv *ap, const u_char *dat, u_int length) +aodv_v6_rreq(const struct aodv_rreq6 *ap, const u_char *dat, u_int length) #else -aodv_v6_rreq(const union aodv *ap _U_, const u_char *dat _U_, u_int length) +aodv_v6_rreq(const struct aodv_rreq6 *ap _U_, const u_char *dat _U_, u_int length) #endif { #ifdef INET6 @@ -189,26 +189,26 @@ aodv_v6_rreq(const union aodv *ap _U_, c return; } i = min(length, (u_int)(snapend - dat)); - if (i < sizeof(ap->rreq6)) { + if (i < sizeof(*ap)) { printf(" [|rreq6]"); return; } - i -= sizeof(ap->rreq6); + i -= sizeof(*ap); printf(" v6 rreq %u %s%s%s%s%shops %u id 0x%08lx\n" "\tdst %s seq %lu src %s seq %lu", length, - ap->rreq6.rreq_type & RREQ_JOIN ? "[J]" : "", - ap->rreq6.rreq_type & RREQ_REPAIR ? "[R]" : "", - ap->rreq6.rreq_type & RREQ_GRAT ? "[G]" : "", - ap->rreq6.rreq_type & RREQ_DEST ? "[D]" : "", - ap->rreq6.rreq_type & RREQ_UNKNOWN ? "[U] " : " ", - ap->rreq6.rreq_hops, - (unsigned long)EXTRACT_32BITS(&ap->rreq6.rreq_id), - ip6addr_string(&ap->rreq6.rreq_da), - (unsigned long)EXTRACT_32BITS(&ap->rreq6.rreq_ds), - ip6addr_string(&ap->rreq6.rreq_oa), - (unsigned long)EXTRACT_32BITS(&ap->rreq6.rreq_os)); + ap->rreq_type & RREQ_JOIN ? "[J]" : "", + ap->rreq_type & RREQ_REPAIR ? "[R]" : "", + ap->rreq_type & RREQ_GRAT ? "[G]" : "", + ap->rreq_type & RREQ_DEST ? "[D]" : "", + ap->rreq_type & RREQ_UNKNOWN ? "[U] " : " ", + ap->rreq_hops, + (unsigned long)EXTRACT_32BITS(&ap->rreq_id), + ip6addr_string(&ap->rreq_da), + (unsigned long)EXTRACT_32BITS(&ap->rreq_ds), + ip6addr_string(&ap->rreq_oa), + (unsigned long)EXTRACT_32BITS(&ap->rreq_os)); if (i >= sizeof(struct aodv_ext)) - aodv_extension((void *)(&ap->rreq6 + 1), i); + aodv_extension((void *)(ap + 1), i); #else printf(" v6 rreq %u", length); #endif @@ -216,9 +216,9 @@ aodv_v6_rreq(const union aodv *ap _U_, c static void #ifdef INET6 -aodv_v6_rrep(const union aodv *ap, const u_char *dat, u_int length) +aodv_v6_rrep(const struct aodv_rrep6 *ap, const u_char *dat, u_int length) #else -aodv_v6_rrep(const union aodv *ap _U_, const u_char *dat _U_, u_int length) +aodv_v6_rrep(const struct aodv_rrep6 *ap _U_, const u_char *dat _U_, u_int length) #endif { #ifdef INET6 @@ -229,23 +229,23 @@ aodv_v6_rrep(const union aodv *ap _U_, c return; } i = min(length, (u_int)(snapend - dat)); - if (i < sizeof(ap->rrep6)) { + if (i < sizeof(*ap)) { printf(" [|rrep6]"); return; } - i -= sizeof(ap->rrep6); + i -= sizeof(*ap); printf(" rrep %u %s%sprefix %u hops %u\n" "\tdst %s dseq %lu src %s %lu ms", length, - ap->rrep6.rrep_type & RREP_REPAIR ? "[R]" : "", - ap->rrep6.rrep_type & RREP_ACK ? "[A] " : " ", - ap->rrep6.rrep_ps & RREP_PREFIX_MASK, - ap->rrep6.rrep_hops, - ip6addr_string(&ap->rrep6.rrep_da), - (unsigned long)EXTRACT_32BITS(&ap->rrep6.rrep_ds), - ip6addr_string(&ap->rrep6.rrep_oa), - (unsigned long)EXTRACT_32BITS(&ap->rrep6.rrep_life)); + ap->rrep_type & RREP_REPAIR ? "[R]" : "", + ap->rrep_type & RREP_ACK ? "[A] " : " ", + ap->rrep_ps & RREP_PREFIX_MASK, + ap->rrep_hops, + ip6addr_string(&ap->rrep_da), + (unsigned long)EXTRACT_32BITS(&ap->rrep_ds), + ip6addr_string(&ap->rrep_oa), + (unsigned long)EXTRACT_32BITS(&ap->rrep_life)); if (i >= sizeof(struct aodv_ext)) - aodv_extension((void *)(&ap->rrep6 + 1), i); + aodv_extension((void *)(ap + 1), i); #else printf(" rrep %u", length); #endif @@ -253,9 +253,9 @@ aodv_v6_rrep(const union aodv *ap _U_, c static void #ifdef INET6 -aodv_v6_rerr(const union aodv *ap, u_int length) +aodv_v6_rerr(const struct aodv_rerr *ap, u_int length) #else -aodv_v6_rerr(const union aodv *ap _U_, u_int length) +aodv_v6_rerr(const struct aodv_rerr *ap _U_, u_int length) #endif { #ifdef INET6 @@ -263,12 +263,12 @@ aodv_v6_rerr(const union aodv *ap _U_, u int i, j, n, trunc; i = length - offsetof(struct aodv_rerr, r); - j = sizeof(ap->rerr.r.dest6[0]); - dp6 = &ap->rerr.r.dest6[0]; - n = ap->rerr.rerr_dc * j; + j = sizeof(ap->r.dest6[0]); + dp6 = &ap->r.dest6[0]; + n = ap->rerr_dc * j; printf(" rerr %s [items %u] [%u]:", - ap->rerr.rerr_flags & RERR_NODELETE ? "[D]" : "", - ap->rerr.rerr_dc, length); + ap->rerr_flags & RERR_NODELETE ? "[D]" : "", + ap->rerr_dc, length); trunc = n - (i/j); for (; i -= j >= 0; ++dp6) { printf(" {%s}(%ld)", ip6addr_string(&dp6->u_da), @@ -283,10 +283,9 @@ aodv_v6_rerr(const union aodv *ap _U_, u static void #ifdef INET6 -aodv_v6_draft_01_rreq(const union aodv *ap, const u_char *dat, u_int length) +aodv_v6_draft_01_rreq(const struct aodv_rreq6_draft_01 *ap, const u_char *dat, u_int length) #else -aodv_v6_draft_01_rreq(const union aodv *ap _U_, const u_char *dat _U_, - u_int length) +aodv_v6_draft_01_rreq(const struct aodv_rreq6_draft_01 *ap _U_, const u_char *dat _U_, u_int length) #endif { #ifdef INET6 @@ -297,26 +296,26 @@ aodv_v6_draft_01_rreq(const union aodv * return; } i = min(length, (u_int)(snapend - dat)); - if (i < sizeof(ap->rreq6_draft_01)) { + if (i < sizeof(*ap)) { printf(" [|rreq6]"); return; } - i -= sizeof(ap->rreq6_draft_01); + i -= sizeof(*ap); printf(" rreq %u %s%s%s%s%shops %u id 0x%08lx\n" "\tdst %s seq %lu src %s seq %lu", length, - ap->rreq6_draft_01.rreq_type & RREQ_JOIN ? "[J]" : "", - ap->rreq6_draft_01.rreq_type & RREQ_REPAIR ? "[R]" : "", - ap->rreq6_draft_01.rreq_type & RREQ_GRAT ? "[G]" : "", - ap->rreq6_draft_01.rreq_type & RREQ_DEST ? "[D]" : "", - ap->rreq6_draft_01.rreq_type & RREQ_UNKNOWN ? "[U] " : " ", - ap->rreq6_draft_01.rreq_hops, - (unsigned long)EXTRACT_32BITS(&ap->rreq6_draft_01.rreq_id), - ip6addr_string(&ap->rreq6_draft_01.rreq_da), - (unsigned long)EXTRACT_32BITS(&ap->rreq6_draft_01.rreq_ds), - ip6addr_string(&ap->rreq6_draft_01.rreq_oa), - (unsigned long)EXTRACT_32BITS(&ap->rreq6_draft_01.rreq_os)); + ap->rreq_type & RREQ_JOIN ? "[J]" : "", + ap->rreq_type & RREQ_REPAIR ? "[R]" : "", + ap->rreq_type & RREQ_GRAT ? "[G]" : "", + ap->rreq_type & RREQ_DEST ? "[D]" : "", + ap->rreq_type & RREQ_UNKNOWN ? "[U] " : " ", + ap->rreq_hops, + (unsigned long)EXTRACT_32BITS(&ap->rreq_id), + ip6addr_string(&ap->rreq_da), + (unsigned long)EXTRACT_32BITS(&ap->rreq_ds), + ip6addr_string(&ap->rreq_oa), + (unsigned long)EXTRACT_32BITS(&ap->rreq_os)); if (i >= sizeof(struct aodv_ext)) - aodv_extension((void *)(&ap->rreq6_draft_01 + 1), i); + aodv_extension((void *)(ap + 1), i); #else printf(" rreq %u", length); #endif @@ -324,9 +323,9 @@ aodv_v6_draft_01_rreq(const union aodv * static void #ifdef INET6 -aodv_v6_draft_01_rrep(const union aodv *ap, const u_char *dat, u_int length) +aodv_v6_draft_01_rrep(const struct aodv_rrep6_draft_01 *ap, const u_char *dat, u_int length) #else -aodv_v6_draft_01_rrep(const union aodv *ap _U_, const u_char *dat _U_, +aodv_v6_draft_01_rrep(const struct aodv_rrep6_draft_01 *ap _U_, const u_char *dat _U_, u_int length) #endif { @@ -338,23 +337,23 @@ aodv_v6_draft_01_rrep(const union aodv * return; } i = min(length, (u_int)(snapend - dat)); - if (i < sizeof(ap->rrep6_draft_01)) { + if (i < sizeof(*ap)) { printf(" [|rrep6]"); return; } - i -= sizeof(ap->rrep6_draft_01); + i -= sizeof(*ap); printf(" rrep %u %s%sprefix %u hops %u\n" "\tdst %s dseq %lu src %s %lu ms", length, - ap->rrep6_draft_01.rrep_type & RREP_REPAIR ? "[R]" : "", - ap->rrep6_draft_01.rrep_type & RREP_ACK ? "[A] " : " ", - ap->rrep6_draft_01.rrep_ps & RREP_PREFIX_MASK, - ap->rrep6_draft_01.rrep_hops, - ip6addr_string(&ap->rrep6_draft_01.rrep_da), - (unsigned long)EXTRACT_32BITS(&ap->rrep6_draft_01.rrep_ds), - ip6addr_string(&ap->rrep6_draft_01.rrep_oa), - (unsigned long)EXTRACT_32BITS(&ap->rrep6_draft_01.rrep_life)); + ap->rrep_type & RREP_REPAIR ? "[R]" : "", + ap->rrep_type & RREP_ACK ? "[A] " : " ", + ap->rrep_ps & RREP_PREFIX_MASK, + ap->rrep_hops, + ip6addr_string(&ap->rrep_da), + (unsigned long)EXTRACT_32BITS(&ap->rrep_ds), + ip6addr_string(&ap->rrep_oa), + (unsigned long)EXTRACT_32BITS(&ap->rrep_life)); if (i >= sizeof(struct aodv_ext)) - aodv_extension((void *)(&ap->rrep6_draft_01 + 1), i); + aodv_extension((void *)(ap + 1), i); #else printf(" rrep %u", length); #endif @@ -362,9 +361,9 @@ aodv_v6_draft_01_rrep(const union aodv * static void #ifdef INET6 -aodv_v6_draft_01_rerr(const union aodv *ap, u_int length) +aodv_v6_draft_01_rerr(const struct aodv_rerr *ap, u_int length) #else -aodv_v6_draft_01_rerr(const union aodv *ap _U_, u_int length) +aodv_v6_draft_01_rerr(const struct aodv_rerr *ap _U_, u_int length) #endif { #ifdef INET6 @@ -372,12 +371,12 @@ aodv_v6_draft_01_rerr(const union aodv * int i, j, n, trunc; i = length - offsetof(struct aodv_rerr, r); - j = sizeof(ap->rerr.r.dest6_draft_01[0]); - dp6 = &ap->rerr.r.dest6_draft_01[0]; - n = ap->rerr.rerr_dc * j; + j = sizeof(ap->r.dest6_draft_01[0]); + dp6 = &ap->r.dest6_draft_01[0]; + n = ap->rerr_dc * j; printf(" rerr %s [items %u] [%u]:", - ap->rerr.rerr_flags & RERR_NODELETE ? "[D]" : "", - ap->rerr.rerr_dc, length); + ap->rerr_flags & RERR_NODELETE ? "[D]" : "", + ap->rerr_dc, length); trunc = n - (i/j); for (; i -= j >= 0; ++dp6) { printf(" {%s}(%ld)", ip6addr_string(&dp6->u_da), @@ -391,42 +390,40 @@ aodv_v6_draft_01_rerr(const union aodv * } void -aodv_print(const u_char *dat, u_int length, int is_ip6) +aodv_print(netdissect_options *ndo, + const u_char *dat, u_int length, int is_ip6) { - const union aodv *ap; + uint8_t msg_type; - ap = (union aodv *)dat; - if (snapend < dat) { - printf(" [|aodv]"); - return; - } - if (min(length, (u_int)(snapend - dat)) < sizeof(ap->rrep_ack)) { - printf(" [|aodv]"); - return; - } + /* + * The message type is the first byte; make sure we have it + * and then fetch it. + */ + ND_TCHECK(*dat); + msg_type = *dat; printf(" aodv"); - switch (ap->rerr.rerr_type) { + switch (msg_type) { case AODV_RREQ: if (is_ip6) - aodv_v6_rreq(ap, dat, length); + aodv_v6_rreq((const struct aodv_rreq6 *)dat, dat, length); else - aodv_rreq(ap, dat, length); + aodv_rreq((const struct aodv_rreq *)dat, dat, length); break; case AODV_RREP: if (is_ip6) - aodv_v6_rrep(ap, dat, length); + aodv_v6_rrep((const struct aodv_rrep6 *)dat, dat, length); else - aodv_rrep(ap, dat, length); + aodv_rrep((const struct aodv_rrep *)dat, dat, length); break; case AODV_RERR: if (is_ip6) - aodv_v6_rerr(ap, length); + aodv_v6_rerr((const struct aodv_rerr *)dat, length); else - aodv_rerr(ap, dat, length); + aodv_rerr((const struct aodv_rerr *)dat, dat, length); break; case AODV_RREP_ACK: @@ -434,15 +431,15 @@ aodv_print(const u_char *dat, u_int leng break; case AODV_V6_DRAFT_01_RREQ: - aodv_v6_draft_01_rreq(ap, dat, length); + aodv_v6_draft_01_rreq((const struct aodv_rreq6_draft_01 *)dat, dat, length); break; case AODV_V6_DRAFT_01_RREP: - aodv_v6_draft_01_rrep(ap, dat, length); + aodv_v6_draft_01_rrep((const struct aodv_rrep6_draft_01 *)dat, dat, length); break; case AODV_V6_DRAFT_01_RERR: - aodv_v6_draft_01_rerr(ap, length); + aodv_v6_draft_01_rerr((const struct aodv_rerr *)dat, length); break; case AODV_V6_DRAFT_01_RREP_ACK: @@ -450,6 +447,9 @@ aodv_print(const u_char *dat, u_int leng break; default: - printf(" %u %u", ap->rreq.rreq_type, length); + printf(" type %u %u", msg_type, length); } + return; +trunc: + printf(" [|aodv]"); } Index: tcpdump-4.5.1/interface.h =================================================================== --- tcpdump-4.5.1.orig/interface.h 2013-11-08 00:22:54.000000000 +0100 +++ tcpdump-4.5.1/interface.h 2014-12-11 17:27:07.106229519 +0100 @@ -187,7 +188,7 @@ extern int llc_print(const u_char *, u_i const u_char *, u_short *); extern int snap_print(const u_char *, u_int, u_int, u_int); extern void aarp_print(const u_char *, u_int); -extern void aodv_print(const u_char *, u_int, int); +extern void aodv_print(netdissect_options *, const u_char *, u_int, int); extern void atalk_print(const u_char *, u_int); extern void atm_print(u_int, u_int, u_int, const u_char *, u_int, u_int); extern u_int atm_if_print(const struct pcap_pkthdr *, const u_char *); @@ -298,7 +299,7 @@ extern void tcp_print(const u_char *, u_ extern void tftp_print(const u_char *, u_int); extern void timed_print(const u_char *); extern void udld_print(const u_char *, u_int); -extern void udp_print(const u_char *, u_int, const u_char *, int); +extern void udp_print(netdissect_options *, const u_char *, u_int, const u_char *, int); extern void vtp_print(const u_char *, u_int); extern void wb_print(const void *, u_int); extern int ah_print(register const u_char *); Index: tcpdump-4.5.1/print-ip6.c =================================================================== --- tcpdump-4.5.1.orig/print-ip6.c 2013-11-08 00:22:54.000000000 +0100 +++ tcpdump-4.5.1/print-ip6.c 2014-12-11 17:21:57.345601167 +0100 @@ -199,7 +199,7 @@ ip6_print(netdissect_options *ndo, const tcp_print(cp, len, (const u_char *)ip6, fragmented); return; case IPPROTO_UDP: - udp_print(cp, len, (const u_char *)ip6, fragmented); + udp_print(ndo, cp, len, (const u_char *)ip6, fragmented); return; case IPPROTO_ICMPV6: icmp6_print(ndo, cp, len, (const u_char *)ip6, fragmented); Index: tcpdump-4.5.1/print-udp.c =================================================================== --- tcpdump-4.5.1.orig/print-udp.c 2013-11-08 00:22:54.000000000 +0100 +++ tcpdump-4.5.1/print-udp.c 2014-12-11 17:18:23.035090577 +0100 @@ -462,7 +462,7 @@ udp_print(register const u_char *bp, u_i case PT_AODV: udpipaddr_print(ip, sport, dport); - aodv_print((const u_char *)(up + 1), length, + aodv_print(ndo, (const u_char *)(up + 1), length, #ifdef INET6 ip6 != NULL); #else @@ -584,7 +584,7 @@ udp_print(register const u_char *bp, u_i else if (ISPORT(RIP_PORT)) rip_print((const u_char *)(up + 1), length); else if (ISPORT(AODV_PORT)) - aodv_print((const u_char *)(up + 1), length, + aodv_print(ndo, (const u_char *)(up + 1), length, #ifdef INET6 ip6 != NULL); #else Index: tcpdump-4.5.1/print-ip.c =================================================================== --- tcpdump-4.5.1.orig/print-ip.c 2013-11-08 00:22:54.000000000 +0100 +++ tcpdump-4.5.1/print-ip.c 2014-12-11 17:32:26.063962957 +0100 @@ -379,7 +379,7 @@ again: case IPPROTO_UDP: /* pass on the MF bit plus the offset to detect fragments */ - udp_print(ipds->cp, ipds->len, (const u_char *)ipds->ip, + udp_print(ndo, ipds->cp, ipds->len, (const u_char *)ipds->ip, ipds->off & (IP_MF|IP_OFFMASK)); break;
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