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asn1: Add support for decoration w/ external types

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This adds support for asn1_compile --decorate=... variation that causes
decoration of an ASN.1 SET/SEQUENCE type with a field of a non-ASN.1
type.

This means we can now have an ASN.1 type to represent a request that can
then have a "hidden" field -- hidden in that it is neither encoded nor
decoded.  This field will be copied and freed when the decoration is of
an ASN.1 type or of a external, C type that comes with copy constructor
and destructor functions.  Decoration with a `void *` field which is
neither copied nor freed is also supported.

We may end up using this to, for example, replace the `hdb_entry_ex`
type by decorating `HDB_entry` with a C type that points to the `HDB` in
which the entry was found or to which it should be written.
This commit is contained in:
Nicolas Williams
2022-01-05 23:16:48 -06:00
parent 10fc7730d0
commit df3e08485b
18 changed files with 958 additions and 244 deletions
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3
lib/asn1/check-common.h
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@@ -34,7 +34,8 @@
*/
#define IF_OPT_COMPARE(ac,bc,e) \
if (((ac)->e == NULL && (bc)->e != NULL) || (((ac)->e != NULL && (bc)->e == NULL))) return 1; if ((ac)->e)
if (((ac)->e == NULL && (bc)->e != NULL) || (((ac)->e != NULL && (bc)->e == NULL))) return 1; \
if ((ac)->e)
#define COMPARE_OPT_STRING(ac,bc,e) \
do { if (strcmp(*(ac)->e, *(bc)->e) != 0) return 1; } while(0)
#define COMPARE_OPT_OCTET_STRING(ac,bc,e) \