Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 187 insertions, 0 deletions

diff --git a/epan/dissectors/packet-gtp.h b/epan/dissectors/packet-gtp.h
new file mode 100644
index 00000000..6f285324
--- /dev/null
+++ b/epan/dissectors/packet-gtp.h
@@ -0,0 +1,187 @@
+/* packet-gtp.h
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef __PACKET_GTP_H
+#define __PACKET_GTP_H
+/*structure used to track responses to requests using sequence number*/
+typedef struct gtp_msg_hash_entry {
+    gboolean is_request;    /*TRUE/FALSE*/
+    guint32 req_frame;      /*frame with request */
+    nstime_t req_time;      /*req time */
+    guint32 rep_frame;      /*frame with reply */
+    gint seq_nr;			/*sequence number*/
+	guint msgtype; 			/*messagetype*/
+} gtp_msg_hash_t;
+
+
+typedef struct _gtp_hdr {
+  guint8 flags;  /* GTP header flags */
+  guint8 message; /* Message type */
+  guint16 length; /* Length of header */
+  gint64 teid; /* Tunnel End-point ID */
+} gtp_hdr_t;
+
+/* definitions of GTP messages */
+#define GTP_MSG_UNKNOWN             0x00
+#define GTP_MSG_ECHO_REQ            0x01
+#define GTP_MSG_ECHO_RESP           0x02
+#define GTP_MSG_VER_NOT_SUPP        0x03
+#define GTP_MSG_NODE_ALIVE_REQ      0x04
+#define GTP_MSG_NODE_ALIVE_RESP     0x05
+#define GTP_MSG_REDIR_REQ           0x06
+#define GTP_MSG_REDIR_RESP          0x07
+/*
+ * 8-15 For future use. Shall not be sent. If received,
+ * shall be treated as an Unknown message.
+ */
+#define GTP_MSG_CREATE_PDP_REQ      0x10
+#define GTP_MSG_CREATE_PDP_RESP     0x11
+#define GTP_MSG_UPDATE_PDP_REQ      0x12
+#define GTP_MSG_UPDATE_PDP_RESP     0x13
+#define GTP_MSG_DELETE_PDP_REQ      0x14
+#define GTP_MSG_DELETE_PDP_RESP     0x15
+#define GTP_MSG_INIT_PDP_CONTEXT_ACT_REQ   0x16    /* 2G */
+#define GTP_MSG_INIT_PDP_CONTEXT_ACT_RESP  0x17    /* 2G */
+/*
+ * 24-25 For future use. Shall not be sent. If received,
+ * shall be treated as an Unknown message.
+ */
+#define GTP_MSG_DELETE_AA_PDP_REQ   0x18    /* 2G */
+#define GTP_MSG_DELETE_AA_PDP_RESP  0x19    /* 2G */
+#define GTP_MSG_ERR_IND             0x1A
+#define GTP_MSG_PDU_NOTIFY_REQ      0x1B
+#define GTP_MSG_PDU_NOTIFY_RESP     0x1C
+#define GTP_MSG_PDU_NOTIFY_REJ_REQ  0x1D
+#define GTP_MSG_PDU_NOTIFY_REJ_RESP 0x1E
+#define GTP_MSG_SUPP_EXT_HDR        0x1F
+#define GTP_MSG_SEND_ROUT_INFO_REQ  0x20
+#define GTP_MSG_SEND_ROUT_INFO_RESP 0x21
+#define GTP_MSG_FAIL_REP_REQ        0x22
+#define GTP_MSG_FAIL_REP_RESP       0x23
+#define GTP_MSG_MS_PRESENT_REQ      0x24
+#define GTP_MSG_MS_PRESENT_RESP     0x25
+/*
+ * 38-47 For future use. Shall not be sent. If received,
+ * shall be treated as an Unknown message.
+ */
+#define GTP_MSG_IDENT_REQ           0x30
+#define GTP_MSG_IDENT_RESP          0x31
+#define GTP_MSG_SGSN_CNTXT_REQ      0x32
+#define GTP_MSG_SGSN_CNTXT_RESP     0x33
+#define GTP_MSG_SGSN_CNTXT_ACK      0x34
+#define GTP_MSG_FORW_RELOC_REQ      0x35
+#define GTP_MSG_FORW_RELOC_RESP     0x36
+#define GTP_MSG_FORW_RELOC_COMP     0x37
+#define GTP_MSG_RELOC_CANCEL_REQ    0x38
+#define GTP_MSG_RELOC_CANCEL_RESP   0x39
+#define GTP_MSG_FORW_SRNS_CNTXT     0x3A
+#define GTP_MSG_FORW_RELOC_ACK      0x3B
+#define GTP_MSG_FORW_SRNS_CNTXT_ACK 0x3C
+#define GTP_MSG_UE_REG_QUERY_REQ    0x3D
+#define GTP_MSG_UE_REG_QUERY_RESP   0x3E
+/*
+ * 63-69 For future use. Shall not be sent. If received,
+ * shall be treated as an Unknown message.
+ */
+#define GTP_MSG_RAN_INFO_RELAY      70
+/*
+ * 71-95 For future use. Shall not be sent. If received,
+ * shall be treated as an Unknown message.
+ */
+#define GTP_MBMS_NOTIFY_REQ         96
+#define GTP_MBMS_NOTIFY_RES         97
+#define GTP_MBMS_NOTIFY_REJ_REQ     98
+#define GTP_MBMS_NOTIFY_REJ_RES     99
+#define GTP_CREATE_MBMS_CNTXT_REQ   100
+#define GTP_CREATE_MBMS_CNTXT_RES   101
+#define GTP_UPD_MBMS_CNTXT_REQ      102
+#define GTP_UPD_MBMS_CNTXT_RES      103
+#define GTP_DEL_MBMS_CNTXT_REQ      104
+#define GTP_DEL_MBMS_CNTXT_RES      105
+/*
+ * 106 - 111 For future use. Shall not be sent. If received,
+ * shall be treated as an Unknown message.
+ */
+#define GTP_MBMS_REG_REQ            112
+#define GTP_MBMS_REG_RES            113
+#define GTP_MBMS_DE_REG_REQ         114
+#define GTP_MBMS_DE_REG_RES         115
+#define GTP_MBMS_SES_START_REQ      116
+#define GTP_MBMS_SES_START_RES      117
+#define GTP_MBMS_SES_STOP_REQ       118
+#define GTP_MBMS_SES_STOP_RES       119
+#define GTP_MBMS_SES_UPD_REQ        120
+#define GTP_MBMS_SES_UPD_RES        121
+/* 122-127  For future use. Shall not be sent.
+ * If received, shall be treated as an Unknown message.
+ */
+#define GTP_MS_INFO_CNG_NOT_REQ     128
+#define GTP_MS_INFO_CNG_NOT_RES     129
+/* 130-239  For future use. Shall not be sent.
+ * If received, shall be treated as an Unknown message.
+ */
+#define GTP_MSG_DATA_TRANSF_REQ     0xF0
+#define GTP_MSG_DATA_TRANSF_RESP    0xF1
+/* 242-253  For future use. Shall not be sent.
+ * If received, shall be treated as an Unknown message.
+ */
+#define GTP_MSG_END_MARKER          0xFE /* 254 */
+#define GTP_MSG_TPDU                0xFF
+
+extern value_string_ext cause_type_ext;
+
+/** GTP header extension info
+* This structure is used to transfer infotmation to users of the "gtp.hdr_ext" dissector table
+*/
+
+typedef struct gtp_hdr_ext_info {
+    proto_item* hdr_ext_item; /* The item created when adding the type of header to the tree,
+                               * used to put the name in the tree
+                               */
+} gtp_hdr_ext_info_t;
+
+
+
+/* Data structures to keep track of sessions */
+extern guint32 gtp_session_count;
+extern gboolean g_gtp_session;
+
+typedef struct session_args {
+    wmem_list_t *teid_list;
+    wmem_list_t *ip_list;
+    guint32 last_teid;
+    address last_ip;
+    guint8 last_cause;
+} session_args_t;
+
+/* Relation between frame -> session */
+extern wmem_map_t* session_table;
+
+/* Relation between <teid,ip> -> frame */
+extern wmem_map_t* frame_map;
+
+guint32 get_frame(address ip, guint32 teid, guint32 *frame);
+
+void remove_frame_info(guint32 f);
+
+void add_gtp_session(guint32 frame, guint32 session);
+
+gboolean teid_exists(guint32 teid, wmem_list_t *teid_list);
+
+gboolean ip_exists(address ip, wmem_list_t *ip_list);
+
+void fill_map(wmem_list_t *teid_list, wmem_list_t *ip_list, guint32 frame);
+
+gboolean is_cause_accepted(guint8 cause, guint32 version);
+
+int decode_qos_umts(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, const gchar * qos_str, guint8 type);
+
+void dissect_gtp_uli(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
+
+#endif /* __PACKET_GTP_H*/