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-rw-r--r--net/sniffit/patches/patch-aa218
1 files changed, 0 insertions, 218 deletions
diff --git a/net/sniffit/patches/patch-aa b/net/sniffit/patches/patch-aa
deleted file mode 100644
index e8edc22c6bb..00000000000
--- a/net/sniffit/patches/patch-aa
+++ /dev/null
@@ -1,218 +0,0 @@
-$NetBSD: patch-aa,v 1.2 1998/08/07 11:10:57 agc Exp $
-
-*** sn_defines.h Fri Apr 18 11:33:58 1997
---- sn_defines.h Thu Jul 24 16:02:16 1997
-***************
-*** 80,90 ****
- #define SYN 2
- #define FIN 1
-
-! #define NO_IP 0
-! #define NO_IP_4 1000
-! #define ICMP 1 /* Protocol Numbers */
-! #define TCP 6
-! #define UDP 17
-
- #define ICMP_HEADLENGTH 4 /* fixed ICMP header length */
- #define UDP_HEADLENGTH 8 /* fixed UDP header length */
---- 80,91 ----
- #define SYN 2
- #define FIN 1
-
-! #define NO_IP 0
-! #define NO_IP_4 1000
-! #define CORRUPT_IP 1001
-! #define ICMP 1 /* Protocol Numbers */
-! #define TCP 6
-! #define UDP 17
-
- #define ICMP_HEADLENGTH 4 /* fixed ICMP header length */
- #define UDP_HEADLENGTH 8 /* fixed UDP header length */
-*** sn_packets.c Fri Apr 18 11:33:58 1997
---- sn_packets.c Thu Aug 22 19:18:51 1985
-***************
-*** 43,48 ****
---- 43,49 ----
- struct UDP_header UDPhead;
-
- int i;
-+ short int dummy; /* 2 bytes, important */
-
- memcpy(&IPhead,(sp+PROTO_HEAD),sizeof(struct IP_header));
- /* IP header Conversion */
-***************
-*** 51,56 ****
---- 52,58 ----
- unwrapped->TCP_len = 0; /* Reset structure NEEDED!!! */
- unwrapped->UDP_len = 0;
- unwrapped->DATA_len = 0;
-+ unwrapped->FRAG_nf = 0;
-
- if(NO_CHKSUM == 0)
- {
-***************
-*** 75,106 ****
- /* restore orig buffer */
- /* general programming rule */
- }
- if(IPhead.protocol == TCP ) /* TCP */
- {
-! memcpy(&TCPhead,(sp+PROTO_HEAD+(unwrapped->IP_len)),
- sizeof(struct TCP_header));
-! unwrapped->TCP_len = ntohs(TCPhead.offset_flag) & 0xF000;
-! unwrapped->TCP_len >>= 10;
-! unwrapped->DATA_len = ntohs(IPhead.length) -
- (unwrapped->IP_len) - (unwrapped->TCP_len);
- return TCP;
- }
- if(IPhead.protocol == ICMP ) /* ICMP */
- {
-! memcpy(&ICMPhead,(sp+PROTO_HEAD+(unwrapped->IP_len)),
- sizeof(struct ICMP_header));
-! unwrapped->ICMP_len = ICMP_HEADLENGTH;
-! unwrapped->DATA_len = ntohs(IPhead.length) -
- (unwrapped->IP_len) - (unwrapped->ICMP_len);
-! return ICMP;
- }
- if(IPhead.protocol == UDP ) /* UDP */
- {
-! memcpy(&UDPhead,(sp+PROTO_HEAD+(unwrapped->IP_len)),
- sizeof(struct UDP_header));
-! unwrapped->UDP_len = UDP_HEADLENGTH;
-! unwrapped->DATA_len = ntohs(IPhead.length) -
- (unwrapped->IP_len) - (unwrapped->UDP_len);
- return UDP;
- }
- return -1;
---- 77,150 ----
- /* restore orig buffer */
- /* general programming rule */
- }
-+
-+ #ifdef DEBUG_ONSCREEN
-+ printf("IPheadlen: %d total length: %d\n", unwrapped->IP_len,
-+ ntohs(IPhead.length));
-+ #endif
-+
-+ dummy=ntohs(IPhead.flag_offset); dummy<<=3;
-+ if( dummy!=0 ) /* we have offset */
-+ {
-+ unwrapped->FRAG_nf = 1;
-+ }
-+
- if(IPhead.protocol == TCP ) /* TCP */
- {
-! if(unwrapped->FRAG_nf == 0)
-! {
-! if( (ntohs(IPhead.length)-(unwrapped->IP_len))<20 )
-! {return CORRUPT_IP;};
-!
-! memcpy(&TCPhead,(sp+PROTO_HEAD+(unwrapped->IP_len)),
- sizeof(struct TCP_header));
-! unwrapped->TCP_len = ntohs(TCPhead.offset_flag) & 0xF000;
-! unwrapped->TCP_len >>= 10;
-! unwrapped->DATA_len = ntohs(IPhead.length) -
- (unwrapped->IP_len) - (unwrapped->TCP_len);
-+ }
-+ else
-+ {
-+ unwrapped->DATA_len = ntohs(IPhead.length) - (unwrapped->IP_len);
-+ }
- return TCP;
- }
- if(IPhead.protocol == ICMP ) /* ICMP */
- {
-! if(unwrapped->FRAG_nf == 0)
-! {
-! if( (ntohs(IPhead.length)-(unwrapped->IP_len))<4 )
-! {return CORRUPT_IP;};
-!
-! memcpy(&ICMPhead,(sp+PROTO_HEAD+(unwrapped->IP_len)),
- sizeof(struct ICMP_header));
-! unwrapped->ICMP_len = ICMP_HEADLENGTH;
-! unwrapped->DATA_len = ntohs(IPhead.length) -
- (unwrapped->IP_len) - (unwrapped->ICMP_len);
-! return ICMP;
-! }
-! else
-! {
-! return -1; /* don't handle fragmented ICMP */
-! }
- }
- if(IPhead.protocol == UDP ) /* UDP */
- {
-! if(unwrapped->FRAG_nf == 0)
-! {
-! if( (ntohs(IPhead.length)-(unwrapped->IP_len))<8 )
-! {return CORRUPT_IP;};
-!
-! memcpy(&UDPhead,(sp+PROTO_HEAD+(unwrapped->IP_len)),
- sizeof(struct UDP_header));
-! unwrapped->UDP_len = UDP_HEADLENGTH;
-! unwrapped->DATA_len = ntohs(IPhead.length) -
- (unwrapped->IP_len) - (unwrapped->UDP_len);
-+ }
-+ else
-+ {
-+ unwrapped->DATA_len = ntohs(IPhead.length)-(unwrapped->IP_len);
-+ }
- return UDP;
- }
- return -1;
-*** sn_packetstructs.h Fri Apr 18 11:33:58 1997
---- sn_packetstructs.h Thu Jul 24 16:17:20 1997
-***************
-*** 44,51 ****
- unsigned short length, checksum;
- };
-
-! struct unwrap /* some extra info */
- {
- int IP_len, TCP_len, ICMP_len, UDP_len; /* header lengths */
- int DATA_len;
- };
---- 44,52 ----
- unsigned short length, checksum;
- };
-
-! struct unwrap /* some extra info */
- {
- int IP_len, TCP_len, ICMP_len, UDP_len; /* header lengths */
- int DATA_len;
-+ char FRAG_nf; /* not the first fragment */
- };
-*** sniffit.0.3.5.c Fri Apr 18 11:33:58 1997
---- sniffit.0.3.5.c Thu Aug 22 19:19:49 1985
-***************
-*** 411,421 ****
---- 411,427 ----
- proto=unwrap_packet(sp, info);
- if(proto == NO_IP) return DONT_EXAMINE; /* no use in trying */
- if(proto == NO_IP_4) return DONT_EXAMINE; /* no use in trying */
-+ if(proto == CORRUPT_IP)
-+ {printf("Suspicious Packet detected... (Split header)\n");
-+ return DONT_EXAMINE;}
-
- memcpy(&iphead,(sp+PROTO_HEAD),sizeof(struct IP_header));
- so=(unsigned char *)&(iphead.source);
- dest=(unsigned char *)&(iphead.destination);
-
-+ if(info->FRAG_nf!=0)
-+ {printf("Fragment Skipped...\n"); return DONT_EXAMINE; };
-+
- if((proto==TCP)&&(PROTOCOLS&F_TCP))
- {
- #ifdef DEBUG_ONSCREEN
-***************
-*** 1220,1225 ****
---- 1226,1235 ----
- proto=unwrap_packet(sp, info);
- if(proto == NO_IP) return DONT_EXAMINE; /* no use in trying */
- if(proto == NO_IP_4) return DONT_EXAMINE; /* no use in trying */
-+ if(proto == CORRUPT_IP) return DONT_EXAMINE; /* no use in trying */
-+
-+ if(info->FRAG_nf!=0)
-+ {return DONT_EXAMINE; };
-
- (*IP_nr_of_packets)++;
- if(proto==ICMP)
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-23 04:00:53 +0000