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decoding unknown extensions

This commit is contained in:
Lev Walkin 2007-06-26 09:52:44 +00:00
parent 70e3d2644d
commit 06230f7990
1 changed files with 37 additions and 7 deletions
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44
skeletons/constr_SEQUENCE.c
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@ -1210,10 +1210,33 @@ uper_get_open_type(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
return rv;
}
asn_dec_rval_t
uper_sot_suck(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
asn_per_constraints_t *constraints, void **sptr, asn_per_data_t *pd) {
asn_dec_rval_t rv;
(void)opt_codec_ctx;
(void)td;
(void)constraints;
(void)sptr;
while(per_get_few_bits(pd, 24) >= 0);
rv.code = RC_OK;
rv.consumed = pd->moved;
return rv;
}
static int
uper_skip_open_type(asn_codec_ctx_t *opt_codec_ctx, asn_per_data_t *pd) {
asn_TYPE_descriptor_t s_td;
asn_dec_rval_t rv;
rv = uper_get_open_type(opt_codec_ctx, 0, 0, 0, pd);
s_td.name = "<unknown extension>";
s_td.uper_decoder = uper_sot_suck;
rv = uper_get_open_type(opt_codec_ctx, &s_td, 0, 0, pd);
if(rv.code != RC_OK)
return -1;
else
@ -1387,11 +1410,17 @@ SEQUENCE_decode_uper(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
/* Skip over overflow extensions which aren't present
* in this system's version of the protocol */
while(per_get_few_bits(&epmd, 1) >= 0) {
if(uper_skip_open_type(opt_codec_ctx, pd)) {
FREEMEM(epres);
_ASN_DECODE_STARVED;
for(;;) {
switch(per_get_few_bits(&epmd, 1)) {
case -1: break;
case 0: continue;
default:
if(uper_skip_open_type(opt_codec_ctx, pd)) {
FREEMEM(epres);
_ASN_DECODE_STARVED;
}
}
break;
}
FREEMEM(epres);
@ -1445,7 +1474,7 @@ SEQUENCE_handle_extensions(asn_TYPE_descriptor_t *td, void *sptr,
int present;
if(!IN_EXTENSION_GROUP(specs, edx)) {
ASN_DEBUG("%d is not extension", edx);
ASN_DEBUG("%s (@%d) is not extension", elm->type->name, edx);
continue;
}
@ -1459,7 +1488,8 @@ SEQUENCE_handle_extensions(asn_TYPE_descriptor_t *td, void *sptr,
present = 1;
}
ASN_DEBUG("checking ext %d is present => %d", edx, present);
ASN_DEBUG("checking %s (@%d) present => %d",
elm->type->name, edx, present);
exts_count++;
exts_present += present;