/* asn1t.h */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 2000.
*/
/* ====================================================================
- * Copyright (c) 2000 The OpenSSL Project. All rights reserved.
+ * Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
#define ASN1_ITEM_start(itname) \
const ASN1_ITEM * itname##_it(void) \
{ \
- static const ASN1_ITEM local_it = { \
+ static const ASN1_ITEM local_it = {
#define ASN1_ITEM_end(itname) \
}; \
/* Macros to aid ASN1 template writing */
#define ASN1_ITEM_TEMPLATE(tname) \
- const static ASN1_TEMPLATE tname##_item_tt
+ static const ASN1_TEMPLATE tname##_item_tt
#define ASN1_ITEM_TEMPLATE_END(tname) \
;\
*/
#define ASN1_SEQUENCE(tname) \
- const static ASN1_TEMPLATE tname##_seq_tt[]
+ static const ASN1_TEMPLATE tname##_seq_tt[]
#define ASN1_SEQUENCE_END(stname) ASN1_SEQUENCE_END_name(stname, stname)
#stname \
ASN1_ITEM_end(tname)
+#define ASN1_NDEF_SEQUENCE(tname) \
+ ASN1_SEQUENCE(tname)
+
+#define ASN1_NDEF_SEQUENCE_cb(tname, cb) \
+ ASN1_SEQUENCE_cb(tname, cb)
+
#define ASN1_SEQUENCE_cb(tname, cb) \
- const static ASN1_AUX tname##_aux = {NULL, 0, 0, 0, cb, 0}; \
+ static const ASN1_AUX tname##_aux = {NULL, 0, 0, 0, cb, 0}; \
ASN1_SEQUENCE(tname)
#define ASN1_BROKEN_SEQUENCE(tname) \
- const static ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_BROKEN, 0, 0, 0, 0}; \
+ static const ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_BROKEN, 0, 0, 0, 0}; \
ASN1_SEQUENCE(tname)
#define ASN1_SEQUENCE_ref(tname, cb, lck) \
- const static ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_REFCOUNT, offsetof(tname, references), lck, cb, 0}; \
+ static const ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_REFCOUNT, offsetof(tname, references), lck, cb, 0}; \
ASN1_SEQUENCE(tname)
#define ASN1_SEQUENCE_enc(tname, enc, cb) \
- const static ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_ENCODING, 0, 0, cb, offsetof(tname, enc)}; \
+ static const ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_ENCODING, 0, 0, cb, offsetof(tname, enc)}; \
ASN1_SEQUENCE(tname)
+#define ASN1_NDEF_SEQUENCE_END(tname) \
+ ;\
+ ASN1_ITEM_start(tname) \
+ ASN1_ITYPE_NDEF_SEQUENCE,\
+ V_ASN1_SEQUENCE,\
+ tname##_seq_tt,\
+ sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\
+ NULL,\
+ sizeof(tname),\
+ #tname \
+ ASN1_ITEM_end(tname)
+
#define ASN1_BROKEN_SEQUENCE_END(stname) ASN1_SEQUENCE_END_ref(stname, stname)
#define ASN1_SEQUENCE_END_enc(stname, tname) ASN1_SEQUENCE_END_ref(stname, tname)
#stname \
ASN1_ITEM_end(tname)
+#define ASN1_NDEF_SEQUENCE_END_cb(stname, tname) \
+ ;\
+ ASN1_ITEM_start(tname) \
+ ASN1_ITYPE_NDEF_SEQUENCE,\
+ V_ASN1_SEQUENCE,\
+ tname##_seq_tt,\
+ sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\
+ &tname##_aux,\
+ sizeof(stname),\
+ #stname \
+ ASN1_ITEM_end(tname)
+
/* This pair helps declare a CHOICE type. We can do:
*
*/
#define ASN1_CHOICE(tname) \
- const static ASN1_TEMPLATE tname##_ch_tt[]
+ static const ASN1_TEMPLATE tname##_ch_tt[]
#define ASN1_CHOICE_cb(tname, cb) \
- const static ASN1_AUX tname##_aux = {NULL, 0, 0, 0, cb, 0}; \
+ static const ASN1_AUX tname##_aux = {NULL, 0, 0, 0, cb, 0}; \
ASN1_CHOICE(tname)
#define ASN1_CHOICE_END(stname) ASN1_CHOICE_END_name(stname, stname)
#define ASN1_EXP_SEQUENCE_OF_OPT(stname, field, type, tag) \
ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF|ASN1_TFLG_OPTIONAL)
+/* EXPLICIT using indefinite length constructed form */
+#define ASN1_NDEF_EXP(stname, field, type, tag) \
+ ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_NDEF)
+
+/* EXPLICIT OPTIONAL using indefinite length constructed form */
+#define ASN1_NDEF_EXP_OPT(stname, field, type, tag) \
+ ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL|ASN1_TFLG_NDEF)
+
/* Macros for the ASN1_ADB structure */
#define ASN1_ADB(name) \
- const static ASN1_ADB_TABLE name##_adbtbl[]
+ static const ASN1_ADB_TABLE name##_adbtbl[]
#ifndef OPENSSL_EXPORT_VAR_AS_FUNCTION
#define ASN1_ADB_END(name, flags, field, app_table, def, none) \
;\
- const static ASN1_ADB name##_adb = {\
+ static const ASN1_ADB name##_adb = {\
flags,\
offsetof(name, field),\
app_table,\
#define ASN1_ADB_END(name, flags, field, app_table, def, none) \
;\
- const static ASN1_ITEM *name##_adb(void) \
+ static const ASN1_ITEM *name##_adb(void) \
{ \
- const static ASN1_ADB internal_adb = \
+ static const ASN1_ADB internal_adb = \
{\
flags,\
offsetof(name, field),\
#define ADB_ENTRY(val, template) {val, template}
#define ASN1_ADB_TEMPLATE(name) \
- const static ASN1_TEMPLATE name##_tt
+ static const ASN1_TEMPLATE name##_tt
/* This is the ASN1 template structure that defines
* a wrapper round the actual type. It determines the
long tag; /* tag, not used if no tagging */
unsigned long offset; /* Offset of this field in structure */
#ifndef NO_ASN1_FIELD_NAMES
-char *field_name; /* Field name */
+const char *field_name; /* Field name */
#endif
ASN1_ITEM_EXP *item; /* Relevant ASN1_ITEM or ASN1_ADB */
};
#define ASN1_TFLG_COMBINE (0x1<<10)
+/* This flag when present in a SEQUENCE OF, SET OF
+ * or EXPLICIT causes indefinite length constructed
+ * encoding to be used if required.
+ */
+
+#define ASN1_TFLG_NDEF (0x1<<11)
+
/* This is the actual ASN1 item itself */
struct ASN1_ITEM_st {
* has a special meaning, it is used as a mask
* of acceptable types using the B_ASN1 constants.
*
+ * NDEF_SEQUENCE is the same as SEQUENCE except
+ * that it will use indefinite length constructed
+ * encoding if requested.
+ *
*/
-#define ASN1_ITYPE_PRIMITIVE 0x0
+#define ASN1_ITYPE_PRIMITIVE 0x0
+
+#define ASN1_ITYPE_SEQUENCE 0x1
-#define ASN1_ITYPE_SEQUENCE 0x1
+#define ASN1_ITYPE_CHOICE 0x2
-#define ASN1_ITYPE_CHOICE 0x2
+#define ASN1_ITYPE_COMPAT 0x3
-#define ASN1_ITYPE_COMPAT 0x3
+#define ASN1_ITYPE_EXTERN 0x4
-#define ASN1_ITYPE_EXTERN 0x4
+#define ASN1_ITYPE_MSTRING 0x5
-#define ASN1_ITYPE_MSTRING 0x5
+#define ASN1_ITYPE_NDEF_SEQUENCE 0x6
/* Cache for ASN1 tag and length, so we
* don't keep re-reading it for things
typedef ASN1_VALUE * ASN1_new_func(void);
typedef void ASN1_free_func(ASN1_VALUE *a);
-typedef ASN1_VALUE * ASN1_d2i_func(ASN1_VALUE **a, unsigned char ** in, long length);
+typedef ASN1_VALUE * ASN1_d2i_func(ASN1_VALUE **a, const unsigned char ** in, long length);
typedef int ASN1_i2d_func(ASN1_VALUE * a, unsigned char **in);
-typedef int ASN1_ex_d2i(ASN1_VALUE **pval, unsigned char **in, long len, const ASN1_ITEM *it,
+typedef int ASN1_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, const ASN1_ITEM *it,
int tag, int aclass, char opt, ASN1_TLC *ctx);
typedef int ASN1_ex_i2d(ASN1_VALUE **pval, unsigned char **out, const ASN1_ITEM *it, int tag, int aclass);
typedef int ASN1_ex_new_func(ASN1_VALUE **pval, const ASN1_ITEM *it);
typedef void ASN1_ex_free_func(ASN1_VALUE **pval, const ASN1_ITEM *it);
+typedef int ASN1_ex_print_func(BIO *out, ASN1_VALUE **pval,
+ int indent, const char *fname,
+ const ASN1_PCTX *pctx);
+
typedef int ASN1_primitive_i2c(ASN1_VALUE **pval, unsigned char *cont, int *putype, const ASN1_ITEM *it);
-typedef int ASN1_primitive_c2i(ASN1_VALUE **pval, unsigned char *cont, int len, int utype, char *free_cont, const ASN1_ITEM *it);
+typedef int ASN1_primitive_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len, int utype, char *free_cont, const ASN1_ITEM *it);
+typedef int ASN1_primitive_print(BIO *out, ASN1_VALUE **pval, const ASN1_ITEM *it, int indent, const ASN1_PCTX *pctx);
typedef struct ASN1_COMPAT_FUNCS_st {
ASN1_new_func *asn1_new;
ASN1_ex_free_func *asn1_ex_clear;
ASN1_ex_d2i *asn1_ex_d2i;
ASN1_ex_i2d *asn1_ex_i2d;
+ ASN1_ex_print_func *asn1_ex_print;
} ASN1_EXTERN_FUNCS;
typedef struct ASN1_PRIMITIVE_FUNCS_st {
ASN1_ex_free_func *prim_clear;
ASN1_primitive_c2i *prim_c2i;
ASN1_primitive_i2c *prim_i2c;
+ ASN1_primitive_print *prim_print;
} ASN1_PRIMITIVE_FUNCS;
/* This is the ASN1_AUX structure: it handles various
* then an external type is more appropriate.
*/
-typedef int ASN1_aux_cb(int operation, ASN1_VALUE **in, const ASN1_ITEM *it);
+typedef int ASN1_aux_cb(int operation, ASN1_VALUE **in, const ASN1_ITEM *it,
+ void *exarg);
typedef struct ASN1_AUX_st {
void *app_data;
int enc_offset; /* Offset of ASN1_ENCODING structure */
} ASN1_AUX;
+/* For print related callbacks exarg points to this structure */
+typedef struct ASN1_PRINT_ARG_st {
+ BIO *out;
+ int indent;
+ const ASN1_PCTX *pctx;
+} ASN1_PRINT_ARG;
+
+/* For streaming related callbacks exarg points to this structure */
+typedef struct ASN1_STREAM_ARG_st {
+ /* BIO to stream through */
+ BIO *out;
+ /* BIO with filters appended */
+ BIO *ndef_bio;
+ /* Streaming I/O boundary */
+ unsigned char **boundary;
+} ASN1_STREAM_ARG;
+
/* Flags in ASN1_AUX */
/* Use a reference count */
#define ASN1_OP_D2I_POST 5
#define ASN1_OP_I2D_PRE 6
#define ASN1_OP_I2D_POST 7
+#define ASN1_OP_PRINT_PRE 8
+#define ASN1_OP_PRINT_POST 9
+#define ASN1_OP_STREAM_PRE 10
+#define ASN1_OP_STREAM_POST 11
+#define ASN1_OP_DETACHED_PRE 12
+#define ASN1_OP_DETACHED_POST 13
/* Macro to implement a primitive type */
#define IMPLEMENT_ASN1_TYPE(stname) IMPLEMENT_ASN1_TYPE_ex(stname, stname, 0)
#define IMPLEMENT_ASN1_FUNCTIONS_ENCODE_name(stname, itname) \
IMPLEMENT_ASN1_FUNCTIONS_ENCODE_fname(stname, itname, itname)
+#define IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(stname) \
+ IMPLEMENT_ASN1_ALLOC_FUNCTIONS_pfname(static, stname, stname, stname)
+
+#define IMPLEMENT_ASN1_ALLOC_FUNCTIONS(stname) \
+ IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, stname, stname)
+
+#define IMPLEMENT_ASN1_ALLOC_FUNCTIONS_pfname(pre, stname, itname, fname) \
+ pre stname *fname##_new(void) \
+ { \
+ return (stname *)ASN1_item_new(ASN1_ITEM_rptr(itname)); \
+ } \
+ pre void fname##_free(stname *a) \
+ { \
+ ASN1_item_free((ASN1_VALUE *)a, ASN1_ITEM_rptr(itname)); \
+ }
+
#define IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, itname, fname) \
stname *fname##_new(void) \
{ \
IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, itname, fname)
#define IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(stname, itname, fname) \
- stname *d2i_##fname(stname **a, unsigned char **in, long len) \
+ stname *d2i_##fname(stname **a, const unsigned char **in, long len) \
{ \
return (stname *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, ASN1_ITEM_rptr(itname));\
} \
return ASN1_item_i2d((ASN1_VALUE *)a, out, ASN1_ITEM_rptr(itname));\
}
+#define IMPLEMENT_ASN1_NDEF_FUNCTION(stname) \
+ int i2d_##stname##_NDEF(stname *a, unsigned char **out) \
+ { \
+ return ASN1_item_ndef_i2d((ASN1_VALUE *)a, out, ASN1_ITEM_rptr(stname));\
+ }
+
/* This includes evil casts to remove const: they will go away when full
* ASN1 constification is done.
*/
#define IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(stname, itname, fname) \
stname *d2i_##fname(stname **a, const unsigned char **in, long len) \
{ \
- return (stname *)ASN1_item_d2i((ASN1_VALUE **)a, (unsigned char **)in, len, ASN1_ITEM_rptr(itname));\
+ return (stname *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, ASN1_ITEM_rptr(itname));\
} \
int i2d_##fname(const stname *a, unsigned char **out) \
{ \
return ASN1_item_i2d((ASN1_VALUE *)a, out, ASN1_ITEM_rptr(itname));\
}
+#define IMPLEMENT_ASN1_DUP_FUNCTION(stname) \
+ stname * stname##_dup(stname *x) \
+ { \
+ return ASN1_item_dup(ASN1_ITEM_rptr(stname), x); \
+ }
+
+#define IMPLEMENT_ASN1_PRINT_FUNCTION(stname) \
+ IMPLEMENT_ASN1_PRINT_FUNCTION_fname(stname, stname, stname)
+
+#define IMPLEMENT_ASN1_PRINT_FUNCTION_fname(stname, itname, fname) \
+ int fname##_print_ctx(BIO *out, stname *x, int indent, \
+ const ASN1_PCTX *pctx) \
+ { \
+ return ASN1_item_print(out, (ASN1_VALUE *)x, indent, \
+ ASN1_ITEM_rptr(itname), pctx); \
+ }
+
#define IMPLEMENT_ASN1_FUNCTIONS_const(name) \
IMPLEMENT_ASN1_FUNCTIONS_const_fname(name, name, name)
DECLARE_ASN1_ITEM(ASN1_BOOLEAN)
DECLARE_ASN1_ITEM(ASN1_TBOOLEAN)
DECLARE_ASN1_ITEM(ASN1_FBOOLEAN)
-DECLARE_ASN1_ITEM(ASN1_ANY)
DECLARE_ASN1_ITEM(ASN1_SEQUENCE)
DECLARE_ASN1_ITEM(CBIGNUM)
DECLARE_ASN1_ITEM(BIGNUM)
int ASN1_primitive_new(ASN1_VALUE **pval, const ASN1_ITEM *it);
void ASN1_template_free(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt);
-int ASN1_template_d2i(ASN1_VALUE **pval, unsigned char **in, long len, const ASN1_TEMPLATE *tt);
-int ASN1_item_ex_d2i(ASN1_VALUE **pval, unsigned char **in, long len, const ASN1_ITEM *it,
+int ASN1_template_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, const ASN1_TEMPLATE *tt);
+int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, const ASN1_ITEM *it,
int tag, int aclass, char opt, ASN1_TLC *ctx);
int ASN1_item_ex_i2d(ASN1_VALUE **pval, unsigned char **out, const ASN1_ITEM *it, int tag, int aclass);
void ASN1_primitive_free(ASN1_VALUE **pval, const ASN1_ITEM *it);
int asn1_ex_i2c(ASN1_VALUE **pval, unsigned char *cont, int *putype, const ASN1_ITEM *it);
-int asn1_ex_c2i(ASN1_VALUE **pval, unsigned char *cont, int len, int utype, char *free_cont, const ASN1_ITEM *it);
+int asn1_ex_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len, int utype, char *free_cont, const ASN1_ITEM *it);
int asn1_get_choice_selector(ASN1_VALUE **pval, const ASN1_ITEM *it);
int asn1_set_choice_selector(ASN1_VALUE **pval, int value, const ASN1_ITEM *it);
void asn1_enc_init(ASN1_VALUE **pval, const ASN1_ITEM *it);
void asn1_enc_free(ASN1_VALUE **pval, const ASN1_ITEM *it);
int asn1_enc_restore(int *len, unsigned char **out, ASN1_VALUE **pval, const ASN1_ITEM *it);
-int asn1_enc_save(ASN1_VALUE **pval, unsigned char *in, int inlen, const ASN1_ITEM *it);
+int asn1_enc_save(ASN1_VALUE **pval, const unsigned char *in, int inlen, const ASN1_ITEM *it);
#ifdef __cplusplus
}