Adding upstream version 4.2.2.upstream/4.2.2

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

1 files changed, 290 insertions, 0 deletions

diff --git a/epan/dissectors/packet-fcct.c b/epan/dissectors/packet-fcct.c
new file mode 100644
index 00000000..21499a26
--- /dev/null
+++ b/epan/dissectors/packet-fcct.c
@@ -0,0 +1,290 @@
+/* packet-fcct.c
+ * Routines for FC Common Transport Protocol (used by GS3 services)
+ * Copyright 2001, Dinesh G Dutt <ddutt@andiamo.com>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+#include <epan/to_str.h>
+#include "packet-fc.h"
+#include "packet-fcct.h"
+
+void proto_register_fcct(void);
+void proto_reg_handoff_fcct(void);
+
+static dissector_handle_t fcct_handle;
+
+/* Initialize the protocol and registered fields */
+static int proto_fcct           = -1;
+static int hf_fcct_revision     = -1;
+static int hf_fcct_inid         = -1;
+static int hf_fcct_gstype       = -1;
+static int hf_fcct_gssubtype    = -1;
+static int hf_fcct_options      = -1;
+static int hf_fcct_server       = -1; /* derived field */
+
+/* Extended preamble fields */
+#if 0
+static int hf_fcct_ext_said     = -1;
+static int hf_fcct_ext_tid      = -1;
+static int hf_fcct_ext_reqname  = -1;
+static int hf_fcct_ext_tstamp   = -1;
+static int hf_fcct_ext_authblk  = -1;
+#endif
+
+/* Initialize the subtree pointers */
+static gint ett_fcct = -1;
+static gint ett_fcct_ext = -1;  /* for the extended header */
+
+const value_string fc_ct_rjt_code_vals [] = {
+    {FCCT_RJT_INVCMDCODE, "Invalid Cmd Code"},
+    {FCCT_RJT_INVVERSION, "Invalid Version Level"},
+    {FCCT_RJT_LOGICALERR, "Logical Error"},
+    {FCCT_RJT_INVSIZE,    "Invalid CT_IU Size"},
+    {FCCT_RJT_LOGICALBSY, "Logical Busy"},
+    {FCCT_RJT_PROTOERR,   "Protocol Error"},
+    {FCCT_RJT_GENFAIL,    "Unable to Perform Cmd"},
+    {FCCT_RJT_CMDNOTSUPP, "Cmd Not Supported"},
+    {0, NULL},
+};
+
+const value_string fc_ct_gstype_vals[] = {
+    {FCCT_GSTYPE_KEYSVC, "Key Service"},
+    {FCCT_GSTYPE_ALIASSVC, "Alias Service"},
+    {FCCT_GSTYPE_MGMTSVC, "Management Service"},
+    {FCCT_GSTYPE_TIMESVC, "Time Service"},
+    {FCCT_GSTYPE_DIRSVC, "Directory Service"},
+    {FCCT_GSTYPE_FCTLR, "Fabric Controller"},
+    {FCCT_GSTYPE_VENDOR, "Vendor-Specific"},
+    {0, NULL},
+};
+
+const value_string fc_ct_gsserver_vals[] = {
+    {FCCT_GSRVR_DNS, "dNS"},
+    {FCCT_GSRVR_IP,  "IP"},
+    {FCCT_GSRVR_FCS, "Fabric Config Server"},
+    {FCCT_GSRVR_UNS, "Unzoned Name Server"},
+    {FCCT_GSRVR_FZS, "Fabric Zone Server"},
+    {FCCT_GSRVR_TS,  "Time Server"},
+    {FCCT_GSRVR_KS,  "Key Server"},
+    {FCCT_GSRVR_AS,  "Alias Server"},
+    {FCCT_GSRVR_FCTLR, "Fabric Controller"},
+    {0, NULL},
+};
+
+static dissector_table_t fcct_gserver_table;
+
+guint8
+get_gs_server (guint8 gstype, guint8 gssubtype)
+{
+    switch (gstype) {
+    case FCCT_GSTYPE_KEYSVC:
+        return FCCT_GSRVR_KS;
+    case FCCT_GSTYPE_ALIASSVC:
+        if (gssubtype == FCCT_GSSUBTYPE_AS)
+            return FCCT_GSRVR_AS;
+        return FCCT_GSRVR_UNKNOWN;
+    case FCCT_GSTYPE_MGMTSVC:
+        if (gssubtype == FCCT_GSSUBTYPE_FCS)
+            return FCCT_GSRVR_FCS;
+        else if (gssubtype == FCCT_GSSUBTYPE_UNS)
+            return FCCT_GSRVR_UNS;
+        else if (gssubtype == FCCT_GSSUBTYPE_FZS)
+            return FCCT_GSRVR_FZS;
+        else return FCCT_GSRVR_UNKNOWN;
+    case FCCT_GSTYPE_TIMESVC:
+        if (gssubtype == FCCT_GSSUBTYPE_TS)
+            return FCCT_GSRVR_TS;
+        return FCCT_GSRVR_UNKNOWN;
+    case FCCT_GSTYPE_DIRSVC:
+        if (gssubtype == FCCT_GSSUBTYPE_DNS)
+            return FCCT_GSRVR_DNS;
+        else if (gssubtype == FCCT_GSSUBTYPE_IP)
+            return FCCT_GSRVR_IP;
+        return FCCT_GSRVR_UNKNOWN;
+    case FCCT_GSRVR_FCTLR:
+         if (gssubtype == FCCT_GSSUBTYPE_FCTLR)
+              return (FCCT_GSRVR_FCTLR);
+         else return (FCCT_GSRVR_UNKNOWN);
+    default:
+        return FCCT_GSRVR_UNKNOWN;
+    }
+}
+
+/* Code to actually dissect the packets */
+static int
+dissect_fcct (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
+{
+
+/* Set up structures needed to add the protocol subtree and manage it */
+    proto_item *ti;
+    proto_tree *fcct_tree;
+    tvbuff_t *next_tvb;
+    int in_id,
+        offset = 0;
+    guint8 server;
+    fc_ct_preamble cthdr;
+    address addr;
+
+    /* Make entries in Protocol column and Info column on summary display */
+    col_set_str(pinfo->cinfo, COL_PROTOCOL, "FC_CT");
+
+    /*
+      cthdr.revision = tvb_get_guint8 (tvb, offset++);
+      cthdr.in_id = tvb_get_ntoh24 (tvb, offset);
+      offset += 3;
+
+      cthdr.gstype = tvb_get_guint8 (tvb, offset++);
+      cthdr.options = tvb_get_guint8 (tvb, offset++);
+    */
+    tvb_memcpy (tvb, (guint8 *)&cthdr, offset, FCCT_PRMBL_SIZE);
+    cthdr.revision = tvb_get_guint8 (tvb, offset++);
+    cthdr.in_id = tvb_get_ntoh24 (tvb, offset);
+    cthdr.opcode = g_ntohs (cthdr.opcode);
+    cthdr.maxres_size = g_ntohs (cthdr.maxres_size);
+
+    if (cthdr.opcode < FCCT_MSG_REQ_MAX) {
+        col_append_str (pinfo->cinfo, COL_INFO, " Request");
+    }
+    else if (cthdr.opcode == FCCT_MSG_ACC) {
+        col_append_str (pinfo->cinfo, COL_INFO, " Accept");
+    }
+    else if (cthdr.opcode == FCCT_MSG_RJT) {
+        col_append_fstr (pinfo->cinfo, COL_INFO, " Reject (%s)",
+                            val_to_str (cthdr.rjt_code, fc_ct_rjt_code_vals, "0x%x"));
+    }
+    else {
+        col_append_str (pinfo->cinfo, COL_INFO, " Reserved");
+    }
+
+    in_id = cthdr.in_id;
+    in_id = g_htonl (in_id) >> 8;
+
+    /* Determine server */
+    server = get_gs_server (cthdr.gstype, cthdr.gssubtype);
+
+    if (tree) {
+        offset = 0;
+        ti = proto_tree_add_protocol_format (tree, proto_fcct, tvb, 0, FCCT_PRMBL_SIZE,
+                                             "FC_CT");
+        fcct_tree = proto_item_add_subtree (ti, ett_fcct);
+
+        proto_tree_add_item (fcct_tree, hf_fcct_revision, tvb, offset++,
+                             sizeof (guint8), ENC_BIG_ENDIAN);
+        set_address(&addr, AT_FC, 3, &in_id);
+        proto_tree_add_string (fcct_tree, hf_fcct_inid, tvb, offset, 3,
+                               address_to_str(pinfo->pool, &addr));
+        offset += 3; /* sizeof FC address */
+
+        proto_tree_add_item (fcct_tree, hf_fcct_gstype, tvb, offset++,
+                             sizeof (guint8), ENC_BIG_ENDIAN);
+        proto_tree_add_item (fcct_tree, hf_fcct_gssubtype, tvb, offset,
+                             sizeof (guint8), ENC_BIG_ENDIAN);
+        proto_tree_add_uint (fcct_tree, hf_fcct_server, tvb, offset++, 1,
+                             server);
+        proto_tree_add_item (fcct_tree, hf_fcct_options, tvb, offset++,
+                             sizeof (guint8), ENC_BIG_ENDIAN);
+
+    }
+    /* We do not change the starting offset for the next protocol in the
+     * chain since the fc_ct header is common to the sub-protocols.
+     * Pass the fchdr* received from parent dissector through to sub-protocols
+     */
+    next_tvb = tvb_new_subset_remaining (tvb, 0);
+    if (!dissector_try_uint_new(fcct_gserver_table, server, next_tvb, pinfo,
+                             tree, TRUE, data)) {
+        call_data_dissector(next_tvb, pinfo, tree);
+    }
+
+    return tvb_captured_length(tvb);
+}
+
+/* Register the protocol with Wireshark */
+
+void
+proto_register_fcct(void)
+{
+
+/* Setup list of header fields  See Section 1.6.1 for details*/
+    static hf_register_info hf[] = {
+        { &hf_fcct_revision,
+          {"Revision", "fcct.revision", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
+        { &hf_fcct_inid,
+          {"IN_ID", "fcct.in_id", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+        { &hf_fcct_gstype,
+          {"GS Type", "fcct.gstype", FT_UINT8, BASE_HEX, VALS(fc_ct_gstype_vals),
+           0x0, NULL, HFILL}},
+        { &hf_fcct_gssubtype,
+          {"GS Subtype", "fcct.gssubtype", FT_UINT8, BASE_HEX, NULL, 0x0,
+           NULL, HFILL}},
+        { &hf_fcct_server,
+          {"Server", "fcct.server", FT_UINT8, BASE_HEX,
+           VALS (fc_ct_gsserver_vals), 0x0,
+           "Derived from GS Type & Subtype fields", HFILL}},
+        { &hf_fcct_options,
+          {"Options", "fcct.options", FT_UINT8, BASE_HEX, NULL, 0x0, NULL,
+           HFILL}},
+#if 0
+        { &hf_fcct_ext_said,
+          {"Auth SAID", "fcct.ext_said", FT_UINT32, BASE_HEX, NULL, 0x0, NULL,
+           HFILL}},
+        { &hf_fcct_ext_tid,
+          {"Transaction ID", "fcct.ext_tid", FT_UINT32, BASE_HEX, NULL, 0x0, NULL,
+           HFILL}},
+        { &hf_fcct_ext_reqname,
+          {"Requestor Port Name", "fcct.ext_reqnm", FT_BYTES, BASE_NONE, NULL,
+           0x0, NULL, HFILL}},
+        { &hf_fcct_ext_tstamp,
+          {"Timestamp", "fcct.ext_tstamp", FT_BYTES, BASE_NONE, NULL, 0x0, NULL,
+           HFILL}},
+        { &hf_fcct_ext_authblk,
+          {"Auth Hash Blk", "fcct.ext_authblk", FT_BYTES, BASE_NONE, NULL, 0x0,
+           NULL, HFILL}},
+#endif
+    };
+
+    /* Setup protocol subtree array */
+    static gint *ett[] = {
+        &ett_fcct,
+        &ett_fcct_ext,
+    };
+
+    /* Register the protocol name and description */
+    proto_fcct = proto_register_protocol("Fibre Channel Common Transport", "FC_CT", "fcct");
+
+    /* Required function calls to register the header fields and subtrees used */
+    proto_register_field_array(proto_fcct, hf, array_length(hf));
+    proto_register_subtree_array(ett, array_length(ett));
+
+    fcct_gserver_table = register_dissector_table ("fcct.server",
+                                                   "FCCT Server",
+                                                   proto_fcct, FT_UINT8, BASE_HEX);
+
+    fcct_handle = register_dissector("fcct", dissect_fcct, proto_fcct);
+}
+
+void
+proto_reg_handoff_fcct (void)
+{
+    dissector_add_uint("fc.ftype", FC_FTYPE_FCCT, fcct_handle);
+}
+
+/*
+ * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */