| // Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef OPENSSL_HEADER_ASN1T_H |
| #define OPENSSL_HEADER_ASN1T_H |
| |
| #include <openssl/asn1.h> |
| #include <openssl/base.h> |
| |
| #if defined(__cplusplus) |
| extern "C" { |
| #endif |
| |
| |
| /* Legacy ASN.1 library template definitions. |
| * |
| * This header is used to define new types in OpenSSL's ASN.1 implementation. It |
| * is deprecated and will be unexported from the library. Use the new |CBS| and |
| * |CBB| library in <openssl/bytestring.h> instead. */ |
| |
| |
| typedef struct ASN1_TEMPLATE_st ASN1_TEMPLATE; |
| typedef struct ASN1_TLC_st ASN1_TLC; |
| |
| /* Macro to obtain ASN1_ADB pointer from a type (only used internally) */ |
| #define ASN1_ADB_ptr(iptr) ((const ASN1_ADB *)(iptr)) |
| |
| |
| /* Macros for start and end of ASN1_ITEM definition */ |
| |
| #define ASN1_ITEM_start(itname) const ASN1_ITEM itname##_it = { |
| #define ASN1_ITEM_end(itname) \ |
| } \ |
| ; |
| |
| /* Macros to aid ASN1 template writing */ |
| |
| #define ASN1_ITEM_TEMPLATE(tname) static const ASN1_TEMPLATE tname##_item_tt |
| |
| #define ASN1_ITEM_TEMPLATE_END(tname) \ |
| ; \ |
| ASN1_ITEM_start(tname) ASN1_ITYPE_PRIMITIVE, -1, &tname##_item_tt, 0, NULL, \ |
| 0, #tname ASN1_ITEM_end(tname) |
| |
| |
| /* This is a ASN1 type which just embeds a template */ |
| |
| /* This pair helps declare a SEQUENCE. We can do: |
| * |
| * ASN1_SEQUENCE(stname) = { |
| * ... SEQUENCE components ... |
| * } ASN1_SEQUENCE_END(stname) |
| * |
| * This will produce an ASN1_ITEM called stname_it |
| * for a structure called stname. |
| * |
| * If you want the same structure but a different |
| * name then use: |
| * |
| * ASN1_SEQUENCE(itname) = { |
| * ... SEQUENCE components ... |
| * } ASN1_SEQUENCE_END_name(stname, itname) |
| * |
| * This will create an item called itname_it using |
| * a structure called stname. |
| */ |
| |
| #define ASN1_SEQUENCE(tname) static const ASN1_TEMPLATE tname##_seq_tt[] |
| |
| #define ASN1_SEQUENCE_END(stname) ASN1_SEQUENCE_END_name(stname, stname) |
| |
| #define ASN1_SEQUENCE_END_name(stname, tname) \ |
| ; \ |
| ASN1_ITEM_start(tname) ASN1_ITYPE_SEQUENCE, V_ASN1_SEQUENCE, tname##_seq_tt, \ |
| sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE), NULL, sizeof(stname), \ |
| #stname ASN1_ITEM_end(tname) |
| |
| #define ASN1_SEQUENCE_cb(tname, cb) \ |
| static const ASN1_AUX tname##_aux = {NULL, 0, 0, cb, 0}; \ |
| ASN1_SEQUENCE(tname) |
| |
| #define ASN1_SEQUENCE_ref(tname, cb) \ |
| static const ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_REFCOUNT, \ |
| offsetof(tname, references), cb, 0}; \ |
| ASN1_SEQUENCE(tname) |
| |
| #define ASN1_SEQUENCE_enc(tname, enc, cb) \ |
| static const ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_ENCODING, 0, cb, \ |
| offsetof(tname, enc)}; \ |
| ASN1_SEQUENCE(tname) |
| |
| #define ASN1_SEQUENCE_END_enc(stname, tname) \ |
| ASN1_SEQUENCE_END_ref(stname, tname) |
| |
| #define ASN1_SEQUENCE_END_cb(stname, tname) ASN1_SEQUENCE_END_ref(stname, tname) |
| |
| #define ASN1_SEQUENCE_END_ref(stname, tname) \ |
| ; \ |
| ASN1_ITEM_start(tname) ASN1_ITYPE_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: |
| * |
| * ASN1_CHOICE(chname) = { |
| * ... CHOICE options ... |
| * ASN1_CHOICE_END(chname) |
| * |
| * This will produce an ASN1_ITEM called chname_it |
| * for a structure called chname. The structure |
| * definition must look like this: |
| * typedef struct { |
| * int type; |
| * union { |
| * ASN1_SOMETHING *opt1; |
| * ASN1_SOMEOTHER *opt2; |
| * } value; |
| * } chname; |
| * |
| * the name of the selector must be 'type'. |
| * to use an alternative selector name use the |
| * ASN1_CHOICE_END_selector() version. |
| */ |
| |
| #define ASN1_CHOICE(tname) static const ASN1_TEMPLATE tname##_ch_tt[] |
| |
| #define ASN1_CHOICE_cb(tname, cb) \ |
| static const ASN1_AUX tname##_aux = {NULL, 0, 0, cb, 0}; \ |
| ASN1_CHOICE(tname) |
| |
| #define ASN1_CHOICE_END(stname) ASN1_CHOICE_END_name(stname, stname) |
| |
| #define ASN1_CHOICE_END_name(stname, tname) \ |
| ASN1_CHOICE_END_selector(stname, tname, type) |
| |
| #define ASN1_CHOICE_END_selector(stname, tname, selname) \ |
| ; \ |
| ASN1_ITEM_start(tname) ASN1_ITYPE_CHOICE, offsetof(stname, selname), \ |
| tname##_ch_tt, sizeof(tname##_ch_tt) / sizeof(ASN1_TEMPLATE), NULL, \ |
| sizeof(stname), #stname ASN1_ITEM_end(tname) |
| |
| #define ASN1_CHOICE_END_cb(stname, tname, selname) \ |
| ; \ |
| ASN1_ITEM_start(tname) ASN1_ITYPE_CHOICE, offsetof(stname, selname), \ |
| tname##_ch_tt, sizeof(tname##_ch_tt) / sizeof(ASN1_TEMPLATE), \ |
| &tname##_aux, sizeof(stname), #stname ASN1_ITEM_end(tname) |
| |
| /* This helps with the template wrapper form of ASN1_ITEM */ |
| |
| #define ASN1_EX_TEMPLATE_TYPE(flags, tag, name, type) \ |
| { (flags), (tag), 0, #name, ASN1_ITEM_ref(type) } |
| |
| /* These help with SEQUENCE or CHOICE components */ |
| |
| /* used to declare other types */ |
| |
| #define ASN1_EX_TYPE(flags, tag, stname, field, type) \ |
| { (flags), (tag), offsetof(stname, field), #field, ASN1_ITEM_ref(type) } |
| |
| /* implicit and explicit helper macros */ |
| |
| #define ASN1_IMP_EX(stname, field, type, tag, ex) \ |
| ASN1_EX_TYPE(ASN1_TFLG_IMPLICIT | ex, tag, stname, field, type) |
| |
| #define ASN1_EXP_EX(stname, field, type, tag, ex) \ |
| ASN1_EX_TYPE(ASN1_TFLG_EXPLICIT | ex, tag, stname, field, type) |
| |
| /* Any defined by macros: the field used is in the table itself */ |
| |
| #define ASN1_ADB_OBJECT(tblname) \ |
| { ASN1_TFLG_ADB_OID, -1, 0, #tblname, (const ASN1_ITEM *)&(tblname##_adb) } |
| /* Plain simple type */ |
| #define ASN1_SIMPLE(stname, field, type) ASN1_EX_TYPE(0, 0, stname, field, type) |
| |
| /* OPTIONAL simple type */ |
| #define ASN1_OPT(stname, field, type) \ |
| ASN1_EX_TYPE(ASN1_TFLG_OPTIONAL, 0, stname, field, type) |
| |
| /* IMPLICIT tagged simple type */ |
| #define ASN1_IMP(stname, field, type, tag) \ |
| ASN1_IMP_EX(stname, field, type, tag, 0) |
| |
| /* IMPLICIT tagged OPTIONAL simple type */ |
| #define ASN1_IMP_OPT(stname, field, type, tag) \ |
| ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL) |
| |
| /* Same as above but EXPLICIT */ |
| |
| #define ASN1_EXP(stname, field, type, tag) \ |
| ASN1_EXP_EX(stname, field, type, tag, 0) |
| #define ASN1_EXP_OPT(stname, field, type, tag) \ |
| ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL) |
| |
| /* SEQUENCE OF type */ |
| #define ASN1_SEQUENCE_OF(stname, field, type) \ |
| ASN1_EX_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, stname, field, type) |
| |
| /* OPTIONAL SEQUENCE OF */ |
| #define ASN1_SEQUENCE_OF_OPT(stname, field, type) \ |
| ASN1_EX_TYPE(ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_OPTIONAL, 0, stname, field, \ |
| type) |
| |
| /* Same as above but for SET OF */ |
| |
| #define ASN1_SET_OF(stname, field, type) \ |
| ASN1_EX_TYPE(ASN1_TFLG_SET_OF, 0, stname, field, type) |
| |
| #define ASN1_SET_OF_OPT(stname, field, type) \ |
| ASN1_EX_TYPE(ASN1_TFLG_SET_OF | ASN1_TFLG_OPTIONAL, 0, stname, field, type) |
| |
| /* Finally compound types of SEQUENCE, SET, IMPLICIT, EXPLICIT and OPTIONAL */ |
| |
| #define ASN1_IMP_SET_OF(stname, field, type, tag) \ |
| ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF) |
| |
| #define ASN1_EXP_SET_OF(stname, field, type, tag) \ |
| ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF) |
| |
| #define ASN1_IMP_SET_OF_OPT(stname, field, type, tag) \ |
| ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF | ASN1_TFLG_OPTIONAL) |
| |
| #define ASN1_EXP_SET_OF_OPT(stname, field, type, tag) \ |
| ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF | ASN1_TFLG_OPTIONAL) |
| |
| #define ASN1_IMP_SEQUENCE_OF(stname, field, type, tag) \ |
| ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF) |
| |
| #define ASN1_IMP_SEQUENCE_OF_OPT(stname, field, type, tag) \ |
| ASN1_IMP_EX(stname, field, type, tag, \ |
| ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_OPTIONAL) |
| |
| #define ASN1_EXP_SEQUENCE_OF(stname, field, type, tag) \ |
| ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF) |
| |
| #define ASN1_EXP_SEQUENCE_OF_OPT(stname, field, type, tag) \ |
| ASN1_EXP_EX(stname, field, type, tag, \ |
| ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_OPTIONAL) |
| |
| /* Macros for the ASN1_ADB structure */ |
| |
| #define ASN1_ADB(name) static const ASN1_ADB_TABLE name##_adbtbl[] |
| |
| #define ASN1_ADB_END(name, flags, field, app_table, def, none) \ |
| ; \ |
| static const ASN1_ADB name##_adb = { \ |
| flags, \ |
| offsetof(name, field), \ |
| app_table, \ |
| name##_adbtbl, \ |
| sizeof(name##_adbtbl) / sizeof(ASN1_ADB_TABLE), \ |
| def, \ |
| none} |
| |
| #define ADB_ENTRY(val, template) \ |
| { val, template } |
| |
| #define ASN1_ADB_TEMPLATE(name) static const ASN1_TEMPLATE name##_tt |
| |
| /* This is the ASN1 template structure that defines |
| * a wrapper round the actual type. It determines the |
| * actual position of the field in the value structure, |
| * various flags such as OPTIONAL and the field name. |
| */ |
| |
| struct ASN1_TEMPLATE_st { |
| uint32_t flags; /* Various flags */ |
| int tag; /* tag, not used if no tagging */ |
| unsigned long offset; /* Offset of this field in structure */ |
| const char *field_name; /* Field name */ |
| ASN1_ITEM_EXP *item; /* Relevant ASN1_ITEM or ASN1_ADB */ |
| }; |
| |
| /* Macro to extract ASN1_ITEM and ASN1_ADB pointer from ASN1_TEMPLATE */ |
| |
| #define ASN1_TEMPLATE_item(t) (t->item_ptr) |
| #define ASN1_TEMPLATE_adb(t) (t->item_ptr) |
| |
| typedef struct ASN1_ADB_TABLE_st ASN1_ADB_TABLE; |
| typedef struct ASN1_ADB_st ASN1_ADB; |
| |
| typedef struct asn1_must_be_null_st ASN1_MUST_BE_NULL; |
| |
| struct ASN1_ADB_st { |
| uint32_t flags; /* Various flags */ |
| unsigned long offset; /* Offset of selector field */ |
| ASN1_MUST_BE_NULL *unused; |
| const ASN1_ADB_TABLE *tbl; /* Table of possible types */ |
| long tblcount; /* Number of entries in tbl */ |
| const ASN1_TEMPLATE *default_tt; /* Type to use if no match */ |
| const ASN1_TEMPLATE *null_tt; /* Type to use if selector is NULL */ |
| }; |
| |
| struct ASN1_ADB_TABLE_st { |
| int value; /* NID for an object */ |
| const ASN1_TEMPLATE tt; /* item for this value */ |
| }; |
| |
| /* template flags */ |
| |
| /* Field is optional */ |
| #define ASN1_TFLG_OPTIONAL (0x1) |
| |
| /* Field is a SET OF */ |
| #define ASN1_TFLG_SET_OF (0x1 << 1) |
| |
| /* Field is a SEQUENCE OF */ |
| #define ASN1_TFLG_SEQUENCE_OF (0x2 << 1) |
| |
| /* Mask for SET OF or SEQUENCE OF */ |
| #define ASN1_TFLG_SK_MASK (0x3 << 1) |
| |
| /* These flags mean the tag should be taken from the |
| * tag field. If EXPLICIT then the underlying type |
| * is used for the inner tag. |
| */ |
| |
| /* IMPLICIT tagging */ |
| #define ASN1_TFLG_IMPTAG (0x1 << 3) |
| |
| |
| /* EXPLICIT tagging, inner tag from underlying type */ |
| #define ASN1_TFLG_EXPTAG (0x2 << 3) |
| |
| #define ASN1_TFLG_TAG_MASK (0x3 << 3) |
| |
| /* context specific IMPLICIT */ |
| #define ASN1_TFLG_IMPLICIT ASN1_TFLG_IMPTAG | ASN1_TFLG_CONTEXT |
| |
| /* context specific EXPLICIT */ |
| #define ASN1_TFLG_EXPLICIT ASN1_TFLG_EXPTAG | ASN1_TFLG_CONTEXT |
| |
| /* If tagging is in force these determine the |
| * type of tag to use. Otherwise the tag is |
| * determined by the underlying type. These |
| * values reflect the actual octet format. |
| */ |
| |
| /* Universal tag */ |
| #define ASN1_TFLG_UNIVERSAL (0x0 << 6) |
| /* Application tag */ |
| #define ASN1_TFLG_APPLICATION (0x1 << 6) |
| /* Context specific tag */ |
| #define ASN1_TFLG_CONTEXT (0x2 << 6) |
| /* Private tag */ |
| #define ASN1_TFLG_PRIVATE (0x3 << 6) |
| |
| #define ASN1_TFLG_TAG_CLASS (0x3 << 6) |
| |
| /* These are for ANY DEFINED BY type. In this case |
| * the 'item' field points to an ASN1_ADB structure |
| * which contains a table of values to decode the |
| * relevant type |
| */ |
| |
| #define ASN1_TFLG_ADB_MASK (0x3 << 8) |
| |
| #define ASN1_TFLG_ADB_OID (0x1 << 8) |
| |
| /* This is the actual ASN1 item itself */ |
| |
| struct ASN1_ITEM_st { |
| char itype; /* The item type, primitive, SEQUENCE, CHOICE or extern */ |
| int utype; /* underlying type */ |
| const ASN1_TEMPLATE |
| *templates; /* If SEQUENCE or CHOICE this contains the contents */ |
| long tcount; /* Number of templates if SEQUENCE or CHOICE */ |
| const void *funcs; /* functions that handle this type */ |
| long size; /* Structure size (usually)*/ |
| const char *sname; /* Structure name */ |
| }; |
| |
| /* These are values for the itype field and |
| * determine how the type is interpreted. |
| * |
| * For PRIMITIVE types the underlying type |
| * determines the behaviour if items is NULL. |
| * |
| * Otherwise templates must contain a single |
| * template and the type is treated in the |
| * same way as the type specified in the template. |
| * |
| * For SEQUENCE types the templates field points |
| * to the members, the size field is the |
| * structure size. |
| * |
| * For CHOICE types the templates field points |
| * to each possible member (typically a union) |
| * and the 'size' field is the offset of the |
| * selector. |
| * |
| * The 'funcs' field is used for application |
| * specific functions. |
| * |
| * The EXTERN type uses a new style d2i/i2d. |
| * The new style should be used where possible |
| * because it avoids things like the d2i IMPLICIT |
| * hack. |
| * |
| * MSTRING is a multiple string type, it is used |
| * for a CHOICE of character strings where the |
| * actual strings all occupy an ASN1_STRING |
| * structure. In this case the 'utype' field |
| * has a special meaning, it is used as a mask |
| * of acceptable types using the B_ASN1 constants. |
| * |
| */ |
| |
| #define ASN1_ITYPE_PRIMITIVE 0x0 |
| |
| #define ASN1_ITYPE_SEQUENCE 0x1 |
| |
| #define ASN1_ITYPE_CHOICE 0x2 |
| |
| #define ASN1_ITYPE_EXTERN 0x4 |
| |
| #define ASN1_ITYPE_MSTRING 0x5 |
| |
| /* Deprecated tag and length cache */ |
| struct ASN1_TLC_st; |
| |
| /* This is the ASN1_AUX structure: it handles various |
| * miscellaneous requirements. For example the use of |
| * reference counts and an informational callback. |
| * |
| * The "informational callback" is called at various |
| * points during the ASN1 encoding and decoding. It can |
| * be used to provide minor customisation of the structures |
| * used. This is most useful where the supplied routines |
| * *almost* do the right thing but need some extra help |
| * at a few points. If the callback returns zero then |
| * it is assumed a fatal error has occurred and the |
| * main operation should be abandoned. |
| * |
| * If major changes in the default behaviour are required |
| * then an external type is more appropriate. |
| */ |
| |
| typedef int ASN1_aux_cb(int operation, ASN1_VALUE **in, const ASN1_ITEM *it, |
| void *exarg); |
| |
| typedef struct ASN1_AUX_st { |
| void *app_data; |
| uint32_t flags; |
| int ref_offset; /* Offset of reference value */ |
| ASN1_aux_cb *asn1_cb; |
| int enc_offset; /* Offset of ASN1_ENCODING structure */ |
| } ASN1_AUX; |
| |
| /* Flags in ASN1_AUX */ |
| |
| /* Use a reference count */ |
| #define ASN1_AFLG_REFCOUNT 1 |
| /* Save the encoding of structure (useful for signatures) */ |
| #define ASN1_AFLG_ENCODING 2 |
| |
| /* operation values for asn1_cb */ |
| |
| #define ASN1_OP_NEW_PRE 0 |
| #define ASN1_OP_NEW_POST 1 |
| #define ASN1_OP_FREE_PRE 2 |
| #define ASN1_OP_FREE_POST 3 |
| #define ASN1_OP_D2I_PRE 4 |
| #define ASN1_OP_D2I_POST 5 |
| /* ASN1_OP_I2D_PRE and ASN1_OP_I2D_POST are not supported. We leave the |
| * constants undefined so code relying on them does not accidentally compile. */ |
| #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_TYPE_ex(itname, vname, ex) \ |
| ASN1_ITEM_start(itname) ASN1_ITYPE_PRIMITIVE, V_##vname, NULL, 0, NULL, ex, \ |
| #itname ASN1_ITEM_end(itname) |
| |
| /* Macro to implement a multi string type */ |
| #define IMPLEMENT_ASN1_MSTRING(itname, mask) \ |
| ASN1_ITEM_start(itname) ASN1_ITYPE_MSTRING, mask, NULL, 0, NULL, \ |
| sizeof(ASN1_STRING), #itname ASN1_ITEM_end(itname) |
| |
| #define IMPLEMENT_EXTERN_ASN1(sname, tag, fptrs) \ |
| ASN1_ITEM_start(sname) ASN1_ITYPE_EXTERN, tag, NULL, 0, &fptrs, 0, \ |
| #sname ASN1_ITEM_end(sname) |
| |
| /* Macro to implement standard functions in terms of ASN1_ITEM structures */ |
| |
| #define IMPLEMENT_ASN1_FUNCTIONS(stname) \ |
| IMPLEMENT_ASN1_FUNCTIONS_fname(stname, stname, stname) |
| |
| #define IMPLEMENT_ASN1_FUNCTIONS_name(stname, itname) \ |
| IMPLEMENT_ASN1_FUNCTIONS_fname(stname, itname, itname) |
| |
| #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) { \ |
| return (stname *)ASN1_item_new(ASN1_ITEM_rptr(itname)); \ |
| } \ |
| void fname##_free(stname *a) { \ |
| ASN1_item_free((ASN1_VALUE *)a, ASN1_ITEM_rptr(itname)); \ |
| } |
| |
| #define IMPLEMENT_ASN1_FUNCTIONS_fname(stname, itname, fname) \ |
| IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(stname, itname, fname) \ |
| IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, itname, fname) |
| |
| #define IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(stname, itname, fname) \ |
| 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)); \ |
| } \ |
| int i2d_##fname(stname *a, unsigned char **out) { \ |
| return ASN1_item_i2d((ASN1_VALUE *)a, out, ASN1_ITEM_rptr(itname)); \ |
| } |
| |
| /* 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, 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 (stname *)ASN1_item_dup(ASN1_ITEM_rptr(stname), x); \ |
| } |
| |
| #define IMPLEMENT_ASN1_DUP_FUNCTION_const(stname) \ |
| stname *stname##_dup(const stname *x) { \ |
| return (stname *)ASN1_item_dup(ASN1_ITEM_rptr(stname), (void *)x); \ |
| } |
| |
| #define IMPLEMENT_ASN1_FUNCTIONS_const(name) \ |
| IMPLEMENT_ASN1_FUNCTIONS_const_fname(name, name, name) |
| |
| #define IMPLEMENT_ASN1_FUNCTIONS_const_fname(stname, itname, fname) \ |
| IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(stname, itname, fname) \ |
| IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, itname, fname) |
| |
| /* external definitions for primitive types */ |
| |
| DECLARE_ASN1_ITEM(ASN1_SEQUENCE) |
| |
| DEFINE_STACK_OF(ASN1_VALUE) |
| |
| |
| #if defined(__cplusplus) |
| } // extern "C" |
| #endif |
| |
| #endif // OPENSSL_HEADER_ASN1T_H |
