Adding upstream version 4.2.2.upstream/4.2.2

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

1 files changed, 202 insertions, 0 deletions

diff --git a/epan/asn1.h b/epan/asn1.h
new file mode 100644
index 00000000..35c04a6e
--- /dev/null
+++ b/epan/asn1.h
@@ -0,0 +1,202 @@
+/** @file
+ *
+ * Common data for ASN.1
+ * 2007  Anders Broman
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef __ASN1_H__
+#define __ASN1_H__
+
+#include "ws_symbol_export.h"
+
+typedef enum {
+  ASN1_ENC_BER,  /* X.690 - BER, CER, DER */
+  ASN1_ENC_PER,  /* X.691 - PER */
+  ASN1_ENC_ECN,  /* X.692 - ECN */
+  ASN1_ENC_XER,  /* X.693 - XER */
+  ASN1_ENC_OER   /* X.696 - OER */
+} asn1_enc_e;
+
+typedef enum {
+  CB_ASN1_ENC,
+  CB_NEW_DISSECTOR,
+  CB_DISSECTOR_HANDLE
+} asn1_cb_variant;
+
+typedef enum {
+  ASN1_PAR_IRR, /* irrelevant parameter */
+  /* value */
+  ASN1_PAR_BOOLEAN,
+  ASN1_PAR_INTEGER,
+  /* type */
+  ASN1_PAR_TYPE
+} asn1_par_type;
+
+typedef struct _asn1_par_def_t {
+  const gchar *name;
+  asn1_par_type ptype;
+} asn1_par_def_t;
+
+typedef struct _asn1_par_t {
+  const gchar *name;
+  asn1_par_type ptype;
+  union {
+    bool v_boolean;
+    gint32 v_integer;
+    void *v_type;
+  } value;
+  struct _asn1_par_t *next;
+} asn1_par_t;
+
+typedef struct _asn1_stack_frame_t {
+  const gchar *name;
+  struct _asn1_par_t *par;
+  struct _asn1_stack_frame_t *next;
+} asn1_stack_frame_t;
+
+#define ASN1_CTX_SIGNATURE 0x41435458  /* "ACTX" */
+
+typedef struct _asn1_ctx_t {
+  guint32 signature;
+  asn1_enc_e encoding;
+  bool aligned;
+  packet_info *pinfo;
+  proto_item *created_item;
+  struct _asn1_stack_frame_t *stack;
+  void *value_ptr;
+  void *private_data;
+  struct {
+    int hf_index;
+    bool data_value_descr_present;
+    bool direct_ref_present;
+    bool indirect_ref_present;
+    tvbuff_t *data_value_descriptor;
+    const char *direct_reference;
+    gint32 indirect_reference;
+    gint encoding;
+      /*
+         0 : single-ASN1-type,
+         1 : octet-aligned,
+         2 : arbitrary
+      */
+    tvbuff_t *single_asn1_type;
+    tvbuff_t *octet_aligned;
+    tvbuff_t *arbitrary;
+    union {
+      struct {
+        int (*ber_callback)(bool imp_tag, tvbuff_t *tvb, int offset, struct _asn1_ctx_t* ,proto_tree *tree, int hf_index );
+      } ber;
+      struct {
+        int (*type_cb)(tvbuff_t*, int, struct _asn1_ctx_t*, proto_tree*, int);
+      } per;
+    } u;
+  } external;
+  struct {
+      proto_tree *tree;
+      proto_tree *top_tree;
+      void* tree_ctx;
+  } subtree;
+  struct {
+    int hf_index;
+    bool data_value_descr_present;
+    tvbuff_t *data_value_descriptor;
+    gint identification;
+      /*
+         0 : syntaxes,
+         1 : syntax,
+         2 : presentation-context-id,
+         3 : context-negotiation,
+         4 : transfer-syntax,
+         5 : fixed
+      */
+    gint32 presentation_context_id;
+    const char *abstract_syntax;
+    const char *transfer_syntax;
+    tvbuff_t *data_value;
+    union {
+      struct {
+        int (*ber_callback)(bool imp_tag, tvbuff_t *tvb, int offset, struct _asn1_ctx_t* ,proto_tree *tree, int hf_index );
+      } ber;
+      struct {
+        int (*type_cb)(tvbuff_t*, int, struct _asn1_ctx_t*, proto_tree*, int);
+      } per;
+    } u;
+  } embedded_pdv;
+  struct _rose_ctx_t *rose_ctx;
+} asn1_ctx_t;
+
+#define ROSE_CTX_SIGNATURE 0x524F5345  /* "ROSE" */
+
+typedef struct _rose_ctx_t {
+  guint32 signature;
+  dissector_table_t arg_global_dissector_table;
+  dissector_table_t arg_local_dissector_table;
+  dissector_table_t res_global_dissector_table;
+  dissector_table_t res_local_dissector_table;
+  dissector_table_t err_global_dissector_table;
+  dissector_table_t err_local_dissector_table;
+  /* filling in description into tree, info column, any buffer */
+  int apdu_depth;
+  bool fillin_info;
+  gchar *fillin_ptr;
+  gsize fillin_buf_size;
+  struct {  /* "dynamic" data */
+    gint pdu;
+      /*
+         1 : invoke,
+         2 : returnResult,
+         3 : returnError,
+         4 : reject
+      */
+    gint code;
+      /*
+        -1 : none (optional in ReturnResult)
+         0 : local,
+         1 : global
+      */
+    gint32 code_local;
+    const char *code_global;
+    proto_item *code_item;
+  } d;
+  void *private_data;
+} rose_ctx_t;
+
+WS_DLL_PUBLIC void asn1_ctx_init(asn1_ctx_t *actx, asn1_enc_e encoding, bool aligned, packet_info *pinfo);
+extern bool asn1_ctx_check_signature(asn1_ctx_t *actx);
+extern void asn1_ctx_clean_external(asn1_ctx_t *actx);
+extern void asn1_ctx_clean_epdv(asn1_ctx_t *actx);
+
+extern void asn1_stack_frame_push(asn1_ctx_t *actx, const gchar *name);
+extern void asn1_stack_frame_pop(asn1_ctx_t *actx, const gchar *name);
+extern void asn1_stack_frame_check(asn1_ctx_t *actx, const gchar *name, const asn1_par_def_t *par_def);
+
+extern void asn1_param_push_boolean(asn1_ctx_t *actx, bool value);
+extern void asn1_param_push_integer(asn1_ctx_t *actx, gint32 value);
+extern bool asn1_param_get_boolean(asn1_ctx_t *actx, const gchar *name);
+extern gint32 asn1_param_get_integer(asn1_ctx_t *actx, const gchar *name);
+
+WS_DLL_PUBLIC void rose_ctx_init(rose_ctx_t *rctx);
+extern bool rose_ctx_check_signature(rose_ctx_t *rctx);
+WS_DLL_PUBLIC void rose_ctx_clean_data(rose_ctx_t *rctx);
+
+WS_DLL_PUBLIC asn1_ctx_t *get_asn1_ctx(void *ptr);
+WS_DLL_PUBLIC rose_ctx_t *get_rose_ctx(void *ptr);
+
+extern double asn1_get_real(const guint8 *real_ptr, gint len);
+
+/* flags */
+#define ASN1_EXT_ROOT 0x01
+#define ASN1_EXT_EXT  0x02
+#define ASN1_OPT      0x04
+#define ASN1_DFLT     0x08
+
+#define ASN1_HAS_EXT(f) ((f)&(ASN1_EXT_ROOT|ASN1_EXT_EXT))
+
+
+#endif  /* __ASN1_H__ */