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suricata
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Commit Graph

38 Commits (172204be619588e98af5fe2fc3c052cdf7135352)

Author SHA1 Message Date
Victor Julien 2d5c381c3b decode/ipv4: prep for turning ip4h/ip6h into union 
Store IPv4 decoder vars in a new Packet::l3 section in the packet.

Use inline functions instead of the often multi-layer macro's for
various IPv4 header getters.

Ticket: #6938.
 3 years ago
Jeff Lucovsky d7026b7b11 detect/ipopts: Handle multiple ip options 
Issue: 6864

Multiple IP options were not handled properly as the value being OR'd
into the packet's ip option variable were enum values instead of bit
values.
 3 years ago
Victor Julien 561b81dd9e decode: don't clear computed csums twice 
Already done in a generic way by PACKET_RESET_CHECKSUMS.
 3 years ago
Victor Julien 40afbf5b09 decode/ipv4: remove unused field 3 years ago
Jason Ish 44388f1b69 src: make include guards more library friendly 
Include guards for libraries should use a prefix that is meaningful for
the library to avoid conflicts with other user code. For Suricata, use
SURICATA.

Additionally, remove the pattern of leading and trailing underscores as
these are reserved for the language implementation per the C and C++
standards.
 3 years ago
Victor Julien 79d5caacd0 decode: spelling 4 years ago
Sascha Steinbiss 8438ee48aa decode-ipv4: adjust validation to RFC 
RFC1108 only specifies a minimum field length of 3, not
a fixed length of 11.
 4 years ago
Sascha Steinbiss fb790121bb decode-ipv4: implement extended security option 
IP option 0x85 (extended security) is mentioned in the
documentation for the ipopts keyword but was not implemented.
 4 years ago
Victor Julien 002b335b4a decode/checksums: constify pointer args 5 years ago
Philippe Antoine 73ed780095 decode: fix integer warnings 
Ticket: 4516
 5 years ago
Victor Julien 579cc9f02b const: constify decoder, app-layer, detect funcs 7 years ago
Victor Julien 9dd200b5c9 decode: remove useless packed attributes 8 years ago
Victor Julien 11be9bd971 mingw: add SCNtohl and SCNtohs macro's 
On MinGW the result of ntohl needs to be casted to uint32_t and
the result of ntohs to uint16_t. To avoid doing this everywhere
add SCNtohl and SCNtohs macros.
 9 years ago
Jason Ish 63078909d5 ipv4: update checksum function to be like tcp/udp 
Update the IPv4 checksum function to be like the
changed TCP/UDP checksum functions for consistency.
 10 years ago
Victor Julien 6ea0db2f60 ipv4: removed unused variables 11 years ago
Victor Julien 8c37906cf9 ipv4: store ipopts as flags, not bools 11 years ago
Victor Julien be5a5df1f7 ipv4: shrink per packet ipopts storage 11 years ago
Ken Steele c91b7fd3bc More structures that need to be marked Packed. 
These structures are cast from raw packet data, so they should be packed.
The case is:

typedef struct Foo_ {
} Foo;

Foo *f = (Foo *)pkt;
 12 years ago
Ken Steele f16b339fc4 Rename checksums to level3_comp_csum and level4_comp_csum. 
This will also sharing even more memory in the Packet_ structure.
 13 years ago
Anoop Saldanha 98a8234e0a csum function fixes. Improves alert accuracy. FPs on invalid-csums decoder rules fixed 15 years ago
Victor Julien cdba2f50d1 Various fixes and improvements based on feedback by Coverity analyzer. 15 years ago
Victor Julien e1d4e16645 Simplify packet decoding macro's. 16 years ago
Victor Julien 6aa551c558 Small optimizations to IPV4 and TCP header parsing. 16 years ago
Gurvinder Singh 7d0781b349 added support to log dropped packet as netfilter logs while in inline mode 16 years ago
Victor Julien 6519a86ec7 Move packet pool to ringbuffer, update packet pool api and ringbuffer api. Remove memset usage from PACKET_RECYCLE, add proper cleanup macros. 17 years ago
William Metcalf 2eef905c07 GPL and Copyright header updates. 17 years ago
Victor Julien 548a3b2c93 Improve flow hash debugging functions. Make sure ICMP errors don't create flows. Handle ICMP DEST UNREACH errors in the flow they are sending the error about. 17 years ago
William Metcalf ce01927515 Import of GPLv2 Header 050410 17 years ago
Pablo Rincon 943b4742a8 Moving inline functions to the .h files, so gcc can inline them correctly 17 years ago
Jamie 0dc471db9c looking inside ICMP packets 17 years ago
Victor Julien 0d0ffb9963 Reorganize header inclusions. 17 years ago
Jason Ish beef3c6c24 Fix access to ttl. 17 years ago
Anoop Saldanha 22c0ec2bc5 Added support for the csum-<protocol> rules keyword to the detection engine. Keywords added are ipv4-csum, tcpv4-csum, tcpv6-csum, udpv4-csum, udpv6-csum, icmpv4-csum and icmpv6-csum 17 years ago
Brian Rectanus 74cb73fc1d Decode IPv4 options. 17 years ago
Brian Rectanus fa5939ca91 64 bit cleanup part2 17 years ago
Victor Julien 689bbfdc45 Rename all structure definitions in the "typedef struct _SomeStruct" format to "typedef struct SomeStruct_" to make the Doxygen output more useful. 
Remove the Trie multi pattern matcher code. It wasn't used anymore.
 17 years ago
Victor Julien 516ca7ead5 Fix IPv4 and IPv6 decoders not being able to deal with ethernet packets with trailing bytes. 17 years ago
Victor Julien bab4b62376 Initial add of the files. 17 years ago