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https://git.FreeBSD.org/ports.git
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36 lines
1.1 KiB
Plaintext
36 lines
1.1 KiB
Plaintext
--- sniffit.0.3.5.c.orig Fri Apr 18 02:33:58 1997
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+++ sniffit.0.3.5.c Fri Apr 3 20:44:10 1998
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@@ -411,11 +411,22 @@
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proto=unwrap_packet(sp, info);
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if(proto == NO_IP) return DONT_EXAMINE; /* no use in trying */
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if(proto == NO_IP_4) return DONT_EXAMINE; /* no use in trying */
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+ if(proto == CORRUPT_IP)
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+ {
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+ printf("Suspicious Packet detected... (Split header)\n");
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+ return DONT_EXAMINE;
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+ }
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memcpy(&iphead,(sp+PROTO_HEAD),sizeof(struct IP_header));
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so=(unsigned char *)&(iphead.source);
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dest=(unsigned char *)&(iphead.destination);
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+ if(info->FRAG_nf!=0)
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+ {
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+ printf("Fragment Skipped...\n");
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+ return DONT_EXAMINE;
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+ }
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+
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if((proto==TCP)&&(PROTOCOLS&F_TCP))
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{
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#ifdef DEBUG_ONSCREEN
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@@ -1220,6 +1231,9 @@
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proto=unwrap_packet(sp, info);
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if(proto == NO_IP) return DONT_EXAMINE; /* no use in trying */
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if(proto == NO_IP_4) return DONT_EXAMINE; /* no use in trying */
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+ if(proto == CORRUPT_IP) return DONT_EXAMINE; /* no use in trying */
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+
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+ if(info->FRAG_nf!=0) return DONT_EXAMINE;
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(*IP_nr_of_packets)++;
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if(proto==ICMP)
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