#include "suricata-common.h"#include "suricata.h"#include "decode.h"#include "decode-events.h"#include "decode-gre.h"#include "util-validate.h"#include "util-unittest.h"#include "util-debug.h"
Go to the source code of this file.
Functions | |
| int | DecodeGRE (ThreadVars *tv, DecodeThreadVars *dtv, Packet *p, const uint8_t *pkt, uint32_t len) |
| Function to decode GRE packets. | |
| void | DecodeGRERegisterTests (void) |
| this function registers unit tests for GRE decoder | |
Detailed Description
Decodes GRE
Definition in file decode-gre.c.
Function Documentation
◆ DecodeGRE()
| int DecodeGRE | ( | ThreadVars * | tv, |
| DecodeThreadVars * | dtv, | ||
| Packet * | p, | ||
| const uint8_t * | pkt, | ||
| uint32_t | len | ||
| ) |
Function to decode GRE packets.
- Todo:
- We need to make sure this does not allow bypassing inspection. A server may just ignore these and continue processing the packet, but we will not look further into it.
- Todo:
- We need to make sure this does not allow bypassing inspection. A server may just ignore these and continue processing the packet, but we will not look further into it.
Definition at line 47 of file decode-gre.c.
References DecodeThreadVars_::counter_gre, DEBUG_VALIDATE_BUG_ON, ThreadVars_::decode_pq, DECODE_TUNNEL_ARP, DECODE_TUNNEL_ERSPANI, DECODE_TUNNEL_ERSPANII, DECODE_TUNNEL_ETHERNET, DECODE_TUNNEL_IPV4, DECODE_TUNNEL_IPV6, DECODE_TUNNEL_PPP, DECODE_TUNNEL_VLAN, dtv, ENGINE_SET_INVALID_EVENT, ETHERNET_TYPE_ARP, ETHERNET_TYPE_BRIDGE, ETHERNET_TYPE_ERSPAN, ETHERNET_TYPE_IP, ETHERNET_TYPE_IPV6, ETHERNET_TYPE_VLAN, GRE_CHKSUM_LEN, GRE_FLAG_ISSET_CHKSUM, GRE_FLAG_ISSET_KY, GRE_FLAG_ISSET_RECUR, GRE_FLAG_ISSET_ROUTE, GRE_FLAG_ISSET_SQ, GRE_FLAG_ISSET_SSR, GRE_GET_PROTO, GRE_GET_VERSION, GRE_HDR_LEN, GRE_KEY_LEN, GRE_OFFSET_LEN, GRE_PKT_TOO_SMALL, GRE_PROTO_PPP, GRE_SEQ_LEN, GRE_SRE_HDR_LEN, GRE_VERSION0_FLAGS, GRE_VERSION0_HDR_TOO_BIG, GRE_VERSION0_MALFORMED_SRE_HDR, GRE_VERSION0_RECUR, GRE_VERSION1_CHKSUM, GRE_VERSION1_FLAGS, GRE_VERSION1_HDR_TOO_BIG, GRE_VERSION1_NO_KEY, GRE_VERSION1_RECUR, GRE_VERSION1_ROUTE, GRE_VERSION1_SSR, GRE_VERSION1_WRONG_PROTOCOL, GRE_VERSION_0, GRE_VERSION_1, GRE_WRONG_VERSION, greh, GREV1_ACK_LEN, GREV1_FLAG_ISSET_ACK, GREV1_FLAG_ISSET_FLAGS, len, PacketEnqueueNoLock(), PacketTunnelPktSetup(), PKT_SET_SRC, PKT_SRC_DECODER_GRE, SCLogDebug, SCNtohs, StatsIncr(), TM_ECODE_FAILED, TM_ECODE_OK, and tv.
Referenced by DecodeIPV4(), and DecodeIPV6().
◆ DecodeGRERegisterTests()
| void DecodeGRERegisterTests | ( | void | ) |
this function registers unit tests for GRE decoder
Definition at line 395 of file decode-gre.c.
References UtRegisterTest().
