26 lines
895 B
Diff
26 lines
895 B
Diff
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--- tcpdump-3.9.1/print-isoclns.c.orig 2005-07-06 15:05:30.000000000 +0200
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+++ tcpdump-3.9.1/print-isoclns.c 2005-07-06 15:05:34.000000000 +0200
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@@ -2121,13 +2121,15 @@ static int isis_print (const u_int8_t *p
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}
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tmp --;
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printf("\n\t LAN address length %u bytes ",lan_alen);
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- while (tmp >= lan_alen) {
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- if (!TTEST2(*tptr, lan_alen))
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- goto trunctlv;
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- printf("\n\t\tIS Neighbor: %s",isis_print_id(tptr,lan_alen));
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- tmp -= lan_alen;
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- tptr +=lan_alen;
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- }
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+ if(lan_alen >= SYSTEM_ID_LEN) {
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+ while (tmp >= lan_alen) {
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+ if (!TTEST2(*tptr, lan_alen))
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+ goto trunctlv;
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+ printf("\n\t\tIS Neighbor: %s",isis_print_id(tptr,lan_alen));
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+ tmp -= lan_alen;
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+ tptr +=lan_alen;
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+ }
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+ }
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break;
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case ISIS_TLV_PADDING:
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