X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/8e80bb9cec2c90dd61f810fb1525932a434288eb..73bee151e048054bde9a39c5ad2efec25af9c77b:/libs/smux/constr_SEQUENCE_OF.c diff --git a/libs/smux/constr_SEQUENCE_OF.c b/libs/smux/constr_SEQUENCE_OF.c index 8a08ee8a..2fdc38f2 100644 --- a/libs/smux/constr_SEQUENCE_OF.c +++ b/libs/smux/constr_SEQUENCE_OF.c @@ -11,11 +11,11 @@ * The DER encoder of the SEQUENCE OF type. */ asn_enc_rval_t -SEQUENCE_OF_encode_der(asn_TYPE_descriptor_t *td, void *ptr, - int tag_mode, ber_tlv_tag_t tag, - asn_app_consume_bytes_f *cb, void *app_key) { - asn_TYPE_member_t *elm = td->elements; - asn_anonymous_sequence_ *list = _A_SEQUENCE_FROM_VOID(ptr); +SEQUENCE_OF_encode_der(const asn_TYPE_descriptor_t *td, const void *ptr, + int tag_mode, ber_tlv_tag_t tag, + asn_app_consume_bytes_f *cb, void *app_key) { + asn_TYPE_member_t *elm = td->elements; + const asn_anonymous_sequence_ *list = _A_CSEQUENCE_FROM_VOID(ptr); size_t computed_size = 0; ssize_t encoding_size = 0; asn_enc_rval_t erval; @@ -29,7 +29,7 @@ SEQUENCE_OF_encode_der(asn_TYPE_descriptor_t *td, void *ptr, for(edx = 0; edx < list->count; edx++) { void *memb_ptr = list->array[edx]; if(!memb_ptr) continue; - erval = elm->type->der_encoder(elm->type, memb_ptr, + erval = elm->type->op->der_encoder(elm->type, memb_ptr, 0, elm->tag, 0, 0); if(erval.encoded == -1) @@ -63,7 +63,7 @@ SEQUENCE_OF_encode_der(asn_TYPE_descriptor_t *td, void *ptr, for(edx = 0; edx < list->count; edx++) { void *memb_ptr = list->array[edx]; if(!memb_ptr) continue; - erval = elm->type->der_encoder(elm->type, memb_ptr, + erval = elm->type->op->der_encoder(elm->type, memb_ptr, 0, elm->tag, cb, app_key); if(erval.encoded == -1) @@ -88,121 +88,197 @@ SEQUENCE_OF_encode_der(asn_TYPE_descriptor_t *td, void *ptr, } asn_enc_rval_t -SEQUENCE_OF_encode_xer(asn_TYPE_descriptor_t *td, void *sptr, - int ilevel, enum xer_encoder_flags_e flags, - asn_app_consume_bytes_f *cb, void *app_key) { - asn_enc_rval_t er; - asn_SET_OF_specifics_t *specs = (asn_SET_OF_specifics_t *)td->specifics; - asn_TYPE_member_t *elm = td->elements; - asn_anonymous_sequence_ *list = _A_SEQUENCE_FROM_VOID(sptr); - const char *mname = specs->as_XMLValueList - ? 0 : ((*elm->name) ? elm->name : elm->type->xml_tag); - unsigned int mlen = mname ? strlen(mname) : 0; - int xcan = (flags & XER_F_CANONICAL); - int i; +SEQUENCE_OF_encode_xer(const asn_TYPE_descriptor_t *td, const void *sptr, + int ilevel, enum xer_encoder_flags_e flags, + asn_app_consume_bytes_f *cb, void *app_key) { + asn_enc_rval_t er; + const asn_SET_OF_specifics_t *specs = (const asn_SET_OF_specifics_t *)td->specifics; + const asn_TYPE_member_t *elm = td->elements; + const asn_anonymous_sequence_ *list = _A_CSEQUENCE_FROM_VOID(sptr); + const char *mname = specs->as_XMLValueList + ? 0 + : ((*elm->name) ? elm->name : elm->type->xml_tag); + size_t mlen = mname ? strlen(mname) : 0; + int xcan = (flags & XER_F_CANONICAL); + int i; - if(!sptr) ASN__ENCODE_FAILED; + if(!sptr) ASN__ENCODE_FAILED; - er.encoded = 0; + er.encoded = 0; - for(i = 0; i < list->count; i++) { - asn_enc_rval_t tmper; - void *memb_ptr = list->array[i]; - if(!memb_ptr) continue; + for(i = 0; i < list->count; i++) { + asn_enc_rval_t tmper; + void *memb_ptr = list->array[i]; + if(!memb_ptr) continue; - if(mname) { - if(!xcan) ASN__TEXT_INDENT(1, ilevel); - ASN__CALLBACK3("<", 1, mname, mlen, ">", 1); - } - - tmper = elm->type->xer_encoder(elm->type, memb_ptr, - ilevel + 1, flags, cb, app_key); - if(tmper.encoded == -1) return tmper; - if(tmper.encoded == 0 && specs->as_XMLValueList) { - const char *name = elm->type->xml_tag; - size_t len = strlen(name); - if(!xcan) ASN__TEXT_INDENT(1, ilevel + 1); - ASN__CALLBACK3("<", 1, name, len, "/>", 2); - } - - if(mname) { - ASN__CALLBACK3("", 1); - er.encoded += 5; - } - - er.encoded += (2 * mlen) + tmper.encoded; - } + if(mname) { + if(!xcan) ASN__TEXT_INDENT(1, ilevel); + ASN__CALLBACK3("<", 1, mname, mlen, ">", 1); + } - if(!xcan) ASN__TEXT_INDENT(1, ilevel - 1); + tmper = elm->type->op->xer_encoder(elm->type, memb_ptr, ilevel + 1, + flags, cb, app_key); + if(tmper.encoded == -1) return tmper; + er.encoded += tmper.encoded; + if(tmper.encoded == 0 && specs->as_XMLValueList) { + const char *name = elm->type->xml_tag; + size_t len = strlen(name); + if(!xcan) ASN__TEXT_INDENT(1, ilevel + 1); + ASN__CALLBACK3("<", 1, name, len, "/>", 2); + } - ASN__ENCODED_OK(er); + if(mname) { + ASN__CALLBACK3("", 1); + } + } + + if(!xcan) ASN__TEXT_INDENT(1, ilevel - 1); + + ASN__ENCODED_OK(er); cb_failed: - ASN__ENCODE_FAILED; + ASN__ENCODE_FAILED; } +#ifndef ASN_DISABLE_PER_SUPPORT + asn_enc_rval_t -SEQUENCE_OF_encode_uper(asn_TYPE_descriptor_t *td, - asn_per_constraints_t *constraints, void *sptr, asn_per_outp_t *po) { - asn_anonymous_sequence_ *list; - asn_per_constraint_t *ct; +SEQUENCE_OF_encode_uper(const asn_TYPE_descriptor_t *td, + const asn_per_constraints_t *constraints, + const void *sptr, asn_per_outp_t *po) { + const asn_anonymous_sequence_ *list; + const asn_per_constraint_t *ct; asn_enc_rval_t er; - asn_TYPE_member_t *elm = td->elements; - int seq; + const asn_TYPE_member_t *elm = td->elements; + size_t encoded_edx; if(!sptr) ASN__ENCODE_FAILED; - list = _A_SEQUENCE_FROM_VOID(sptr); + list = _A_CSEQUENCE_FROM_VOID(sptr); - er.encoded = 0; + er.encoded = 0; ASN_DEBUG("Encoding %s as SEQUENCE OF (%d)", td->name, list->count); - if(constraints) ct = &constraints->size; - else if(td->per_constraints) ct = &td->per_constraints->size; - else ct = 0; - - /* If extensible constraint, check if size is in root */ - if(ct) { - int not_in_root = (list->count < ct->lower_bound - || list->count > ct->upper_bound); - ASN_DEBUG("lb %ld ub %ld %s", - ct->lower_bound, ct->upper_bound, - ct->flags & APC_EXTENSIBLE ? "ext" : "fix"); - if(ct->flags & APC_EXTENSIBLE) { - /* Declare whether size is in extension root */ - if(per_put_few_bits(po, not_in_root, 1)) - ASN__ENCODE_FAILED; - if(not_in_root) ct = 0; - } else if(not_in_root && ct->effective_bits >= 0) - ASN__ENCODE_FAILED; - } + if(constraints) ct = &constraints->size; + else if(td->encoding_constraints.per_constraints) + ct = &td->encoding_constraints.per_constraints->size; + else ct = 0; - if(ct && ct->effective_bits >= 0) { - /* X.691, #19.5: No length determinant */ - if(per_put_few_bits(po, list->count - ct->lower_bound, - ct->effective_bits)) - ASN__ENCODE_FAILED; - } + /* If extensible constraint, check if size is in root */ + if(ct) { + int not_in_root = + (list->count < ct->lower_bound || list->count > ct->upper_bound); + ASN_DEBUG("lb %ld ub %ld %s", ct->lower_bound, ct->upper_bound, + ct->flags & APC_EXTENSIBLE ? "ext" : "fix"); + if(ct->flags & APC_EXTENSIBLE) { + /* Declare whether size is in extension root */ + if(per_put_few_bits(po, not_in_root, 1)) ASN__ENCODE_FAILED; + if(not_in_root) ct = 0; + } else if(not_in_root && ct->effective_bits >= 0) { + ASN__ENCODE_FAILED; + } - for(seq = -1; seq < list->count;) { - ssize_t mayEncode; - if(seq < 0) seq = 0; - if(ct && ct->effective_bits >= 0) { - mayEncode = list->count; - } else { - mayEncode = uper_put_length(po, list->count - seq); - if(mayEncode < 0) ASN__ENCODE_FAILED; - } - - while(mayEncode--) { - void *memb_ptr = list->array[seq++]; - if(!memb_ptr) ASN__ENCODE_FAILED; - er = elm->type->uper_encoder(elm->type, - elm->per_constraints, memb_ptr, po); - if(er.encoded == -1) - ASN__ENCODE_FAILED; - } - } + } + + if(ct && ct->effective_bits >= 0) { + /* X.691, #19.5: No length determinant */ + if(per_put_few_bits(po, list->count - ct->lower_bound, + ct->effective_bits)) + ASN__ENCODE_FAILED; + } else if(list->count == 0) { + /* When the list is empty add only the length determinant + * X.691, #20.6 and #11.9.4.1 + */ + if (uper_put_length(po, 0, 0)) { + ASN__ENCODE_FAILED; + } + ASN__ENCODED_OK(er); + } + + for(encoded_edx = 0; (ssize_t)encoded_edx < list->count;) { + ssize_t may_encode; + size_t edx; + int need_eom = 0; + + if(ct && ct->effective_bits >= 0) { + may_encode = list->count; + } else { + may_encode = + uper_put_length(po, list->count - encoded_edx, &need_eom); + if(may_encode < 0) ASN__ENCODE_FAILED; + } + + for(edx = encoded_edx; edx < encoded_edx + may_encode; edx++) { + void *memb_ptr = list->array[edx]; + if(!memb_ptr) ASN__ENCODE_FAILED; + er = elm->type->op->uper_encoder( + elm->type, elm->encoding_constraints.per_constraints, memb_ptr, + po); + if(er.encoded == -1) ASN__ENCODE_FAILED; + } + + if(need_eom && uper_put_length(po, 0, 0)) + ASN__ENCODE_FAILED; /* End of Message length */ + + encoded_edx += may_encode; + } ASN__ENCODED_OK(er); } +#endif /* ASN_DISABLE_PER_SUPPORT */ + +int +SEQUENCE_OF_compare(const asn_TYPE_descriptor_t *td, const void *aptr, + const void *bptr) { + const asn_anonymous_sequence_ *a = _A_CSEQUENCE_FROM_VOID(aptr); + const asn_anonymous_sequence_ *b = _A_CSEQUENCE_FROM_VOID(bptr); + ssize_t idx; + + if(a && b) { + ssize_t common_length = (a->count < b->count ? a->count : b->count); + for(idx = 0; idx < common_length; idx++) { + int ret = td->elements->type->op->compare_struct( + td->elements->type, a->array[idx], b->array[idx]); + if(ret) return ret; + } + + if(idx < b->count) /* more elements in b */ + return -1; /* a is shorter, so put it first */ + if(idx < a->count) return 1; + + } else if(!a) { + return -1; + } else if(!b) { + return 1; + } + + return 0; +} + + +asn_TYPE_operation_t asn_OP_SEQUENCE_OF = { + SEQUENCE_OF_free, + SEQUENCE_OF_print, + SEQUENCE_OF_compare, + SEQUENCE_OF_decode_ber, + SEQUENCE_OF_encode_der, + SEQUENCE_OF_decode_xer, + SEQUENCE_OF_encode_xer, +#ifdef ASN_DISABLE_OER_SUPPORT + 0, + 0, +#else + SEQUENCE_OF_decode_oer, /* Same as SET OF decoder. */ + SEQUENCE_OF_encode_oer, /* Same as SET OF encoder */ +#endif /* ASN_DISABLE_OER_SUPPORT */ +#ifdef ASN_DISABLE_PER_SUPPORT + 0, + 0, +#else + SEQUENCE_OF_decode_uper, /* Same as SET OF decoder */ + SEQUENCE_OF_encode_uper, +#endif /* ASN_DISABLE_PER_SUPPORT */ + SEQUENCE_OF_random_fill, + 0 /* Use generic outmost tag fetcher */ +}; +