Add ANY_decode_aper(), ANY_encode_aper().. etc

1. Copying and modifying ANY_decode_uper() and
ANY_encode_uper() to ANY_decode_aper() and
ANY_encode_aper().

2. Adding ANY_fromType_aper()/ANY_new_fromType_aper()/
ANY_to_type_aper().

skeletons/ANY.c

@@ -112,6 +112,37 @@ ANY_fromType(ANY_t *st, asn_TYPE_descriptor_t *td, void *sptr) {
 	return 0;
 }
 
+int
+ANY_fromType_aper(ANY_t *st, asn_TYPE_descriptor_t *td, void *sptr) {
+	uint8_t *buffer = NULL;
+	ssize_t erval;
+
+	if(!st || !td) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if(!sptr) {
+		if(st->buf) FREEMEM(st->buf);
+		st->size = 0;
+		return 0;
+	}
+
+	erval = aper_encode_to_new_buffer(td, td->encoding_constraints.per_constraints, sptr, (void**)&buffer);
+
+	if(erval == -1) {
+		if(buffer) FREEMEM(buffer);
+		return -1;
+	}
+	assert((size_t)erval > 0);
+
+	if(st->buf) FREEMEM(st->buf);
+	st->buf = buffer;
+	st->size = erval;
+
+	return 0;
+}
+
 ANY_t *
 ANY_new_fromType(asn_TYPE_descriptor_t *td, void *sptr) {
 	ANY_t tmp;
@@ -136,6 +167,30 @@ ANY_new_fromType(asn_TYPE_descriptor_t *td, void *sptr) {
 	}
 }
 
+ANY_t *
+ANY_new_fromType_aper(asn_TYPE_descriptor_t *td, void *sptr) {
+	ANY_t tmp;
+	ANY_t *st;
+
+	if(!td || !sptr) {
+		errno = EINVAL;
+		return 0;
+	}
+
+	memset(&tmp, 0, sizeof(tmp));
+
+	if(ANY_fromType_aper(&tmp, td, sptr)) return 0;
+
+	st = (ANY_t *)CALLOC(1, sizeof(ANY_t));
+	if(st) {
+		*st = tmp;
+		return st;
+	} else {
+		FREEMEM(tmp.buf);
+		return 0;
+	}
+}
+
 int
 ANY_to_type(ANY_t *st, asn_TYPE_descriptor_t *td, void **struct_ptr) {
 	asn_dec_rval_t rval;
@@ -163,6 +218,33 @@ ANY_to_type(ANY_t *st, asn_TYPE_descriptor_t *td, void **struct_ptr) {
 	}
 }
 
+int
+ANY_to_type_aper(ANY_t *st, asn_TYPE_descriptor_t *td, void **struct_ptr) {
+	asn_dec_rval_t rval;
+	void *newst = 0;
+
+	if(!st || !td || !struct_ptr) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if(st->buf == 0) {
+		/* Nothing to convert, make it empty. */
+		*struct_ptr = (void *)0;
+		return 0;
+	}
+
+	rval = aper_decode(0, td, (void **)&newst, st->buf, st->size, 0, 0);
+	if(rval.code == RC_OK) {
+		*struct_ptr = newst;
+		return 0;
+	} else {
+		/* Remove possibly partially decoded data. */
+		ASN_STRUCT_FREE(*td, newst);
+		return -1;
+	}
+}
+
 static int ANY__consume_bytes(const void *buffer, size_t size, void *key) {
 	struct _callback_arg *arg = (struct _callback_arg *)key;
 
@@ -206,8 +288,7 @@ ANY_decode_uper(const asn_codec_ctx_t *opt_codec_ctx,
         if(!st) RETURN(RC_FAIL);
     }
 
-    ASN_DEBUG("PER Decoding ANY type");
-
+    ASN_DEBUG("UPER Decoding ANY type");
 
     st->size = 0;
     do {
@@ -275,5 +356,95 @@ ANY_encode_uper(const asn_TYPE_descriptor_t *td,
     ASN__ENCODED_OK(er);
 }
 
+asn_dec_rval_t
+ANY_decode_aper(const asn_codec_ctx_t *opt_codec_ctx,
+                const asn_TYPE_descriptor_t *td,
+                const asn_per_constraints_t *constraints, void **sptr,
+                asn_per_data_t *pd) {
+    const asn_OCTET_STRING_specifics_t *specs =
+        td->specifics ? (const asn_OCTET_STRING_specifics_t *)td->specifics
+                      : &asn_SPC_ANY_specs;
+    size_t consumed_myself = 0;
+    int repeat;
+    ANY_t *st = (ANY_t *)*sptr;
+
+    (void)opt_codec_ctx;
+    (void)constraints;
+
+    /*
+     * Allocate the structure.
+     */
+    if(!st) {
+        st = (ANY_t *)(*sptr = CALLOC(1, specs->struct_size));
+        if(!st) RETURN(RC_FAIL);
+    }
+
+    ASN_DEBUG("APER Decoding ANY type");
+
+    st->size = 0;
+    do {
+        ssize_t raw_len;
+        ssize_t len_bytes;
+        ssize_t len_bits;
+        void *p;
+        int ret;
+
+        /* Get the PER length */
+        raw_len = aper_get_length(pd, -1, 0, &repeat);
+        if(raw_len < 0) RETURN(RC_WMORE);
+        if(raw_len == 0 && st->buf) break;
+
+        ASN_DEBUG("Got PER length len %" ASN_PRI_SIZE ", %s (%s)", raw_len,
+                  repeat ? "repeat" : "once", td->name);
+        len_bytes = raw_len;
+        len_bits = len_bytes * 8;
+
+        p = REALLOC(st->buf, st->size + len_bytes + 1);
+        if(!p) RETURN(RC_FAIL);
+        st->buf = (uint8_t *)p;
+
+        ret = per_get_many_bits(pd, &st->buf[st->size], 0, len_bits);
+        if(ret < 0) RETURN(RC_WMORE);
+        consumed_myself += len_bits;
+        st->size += len_bytes;
+    } while(repeat);
+    st->buf[st->size] = 0; /* nul-terminate */
+
+    RETURN(RC_OK);
+}
+
+asn_enc_rval_t
+ANY_encode_aper(const asn_TYPE_descriptor_t *td,
+                const asn_per_constraints_t *constraints, const void *sptr,
+                asn_per_outp_t *po) {
+    const ANY_t *st = (const ANY_t *)sptr;
+    asn_enc_rval_t er = {0, 0, 0};
+    const uint8_t *buf;
+    size_t size;
+    int ret;
+
+    (void)constraints;
+
+    if(!st || (!st->buf && st->size)) ASN__ENCODE_FAILED;
+
+    buf = st->buf;
+    size = st->size;
+    do {
+        int need_eom = 0;
+        ssize_t may_save = uper_put_length(po, size, &need_eom);
+        if(may_save < 0) ASN__ENCODE_FAILED;
+
+        ret = per_put_many_bits(po, buf, may_save * 8);
+        if(ret) ASN__ENCODE_FAILED;
+
+        buf += may_save;
+        size -= may_save;
+        assert(!(may_save & 0x07) || !size);
+        if(need_eom && uper_put_length(po, 0, 0))
+            ASN__ENCODE_FAILED; /* End of Message length */
+    } while(size);
+
+    ASN__ENCODED_OK(er);
+}
 #endif /* ASN_DISABLE_PER_SUPPORT */
 

skeletons/ANY.h

@@ -46,10 +46,13 @@ per_type_encoder_f ANY_encode_aper;
 
 /* Convert another ASN.1 type into the ANY. This implies DER encoding. */
 int ANY_fromType(ANY_t *, asn_TYPE_descriptor_t *td, void *struct_ptr);
+int ANY_fromType_aper(ANY_t *st, asn_TYPE_descriptor_t *td, void *sptr);
 ANY_t *ANY_new_fromType(asn_TYPE_descriptor_t *td, void *struct_ptr);
+ANY_t *ANY_new_fromType_aper(asn_TYPE_descriptor_t *td, void *sptr);
 
 /* Convert the contents of the ANY type into the specified type. */
 int ANY_to_type(ANY_t *, asn_TYPE_descriptor_t *td, void **struct_ptr);
+int ANY_to_type_aper(ANY_t *, asn_TYPE_descriptor_t *td, void **struct_ptr);
 
 #define	ANY_fromBuf(s, buf, size)	OCTET_STRING_fromBuf((s), (buf), (size))
 #define	ANY_new_fromBuf(buf, size)	OCTET_STRING_new_fromBuf(	\