--- /dev/null
+/*-
+ * Copyright (c) 2003-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#include <asn_internal.h>
+#include <UniversalString.h>
+#include <UTF8String.h>
+
+/*
+ * UniversalString basic type description.
+ */
+static const ber_tlv_tag_t asn_DEF_UniversalString_tags[] = {
+ (ASN_TAG_CLASS_UNIVERSAL | (28 << 2)), /* [UNIVERSAL 28] IMPLICIT ...*/
+ (ASN_TAG_CLASS_UNIVERSAL | (4 << 2)) /* ... OCTET STRING */
+};
+asn_OCTET_STRING_specifics_t asn_SPC_UniversalString_specs = {
+ sizeof(UniversalString_t),
+ offsetof(UniversalString_t, _asn_ctx),
+ ASN_OSUBV_U32 /* 32-bits character */
+};
+static asn_per_constraints_t asn_DEF_UniversalString_per_constraints = {
+ { APC_CONSTRAINED, 32, 32, 0, 2147483647 },
+ { APC_SEMI_CONSTRAINED, -1, -1, 0, 0 },
+ 0, 0
+};
+asn_TYPE_operation_t asn_OP_UniversalString = {
+ OCTET_STRING_free,
+ UniversalString_print, /* Convert into UTF8 and print */
+ OCTET_STRING_compare,
+ OCTET_STRING_decode_ber,
+ OCTET_STRING_encode_der,
+ UniversalString_decode_xer, /* Convert from UTF-8 */
+ UniversalString_encode_xer, /* Convert into UTF-8 */
+#ifdef ASN_DISABLE_OER_SUPPORT
+ 0,
+ 0,
+#else
+ OCTET_STRING_decode_oer,
+ OCTET_STRING_encode_oer,
+#endif /* ASN_DISABLE_OER_SUPPORT */
+#ifdef ASN_DISABLE_PER_SUPPORT
+ 0,
+ 0,
+ 0,
+ 0,
+#else
+ OCTET_STRING_decode_uper,
+ OCTET_STRING_encode_uper,
+ OCTET_STRING_decode_aper,
+ OCTET_STRING_encode_aper,
+#endif /* ASN_DISABLE_PER_SUPPORT */
+ OCTET_STRING_random_fill,
+ 0 /* Use generic outmost tag fetcher */
+};
+asn_TYPE_descriptor_t asn_DEF_UniversalString = {
+ "UniversalString",
+ "UniversalString",
+ &asn_OP_UniversalString,
+ asn_DEF_UniversalString_tags,
+ sizeof(asn_DEF_UniversalString_tags)
+ / sizeof(asn_DEF_UniversalString_tags[0]) - 1,
+ asn_DEF_UniversalString_tags,
+ sizeof(asn_DEF_UniversalString_tags)
+ / sizeof(asn_DEF_UniversalString_tags[0]),
+ { 0, &asn_DEF_UniversalString_per_constraints, UniversalString_constraint },
+ 0, 0, /* No members */
+ &asn_SPC_UniversalString_specs
+};
+
+int
+UniversalString_constraint(const asn_TYPE_descriptor_t *td, const void *sptr,
+ asn_app_constraint_failed_f *ctfailcb,
+ void *app_key) {
+ const UniversalString_t *st = (const UniversalString_t *)sptr;
+
+ if(st && st->buf) {
+ if(st->size % 4) {
+ ASN__CTFAIL(app_key, td, sptr,
+ "%s: invalid size %" ASN_PRI_SIZE " not divisible by 4 (%s:%d)",
+ td->name, st->size, __FILE__, __LINE__);
+ return -1;
+ }
+ } else {
+ ASN__CTFAIL(app_key, td, sptr, "%s: value not given (%s:%d)", td->name,
+ __FILE__, __LINE__);
+ return -1;
+ }
+
+ return 0;
+}
+
+static ssize_t
+UniversalString__dump(const UniversalString_t *st,
+ asn_app_consume_bytes_f *cb, void *app_key) {
+ char scratch[128]; /* Scratchpad buffer */
+ char *p = scratch;
+ ssize_t wrote = 0;
+ uint8_t *ch;
+ uint8_t *end;
+
+ ch = st->buf;
+ end = (st->buf + st->size);
+ for(end -= 3; ch < end; ch += 4) {
+ uint32_t wc = (ch[0] << 24)
+ | (ch[1] << 16)
+ | (ch[2] << 8)
+ | ch[3]; /* 4 bytes */
+ if(sizeof(scratch) - (p - scratch) < 6) {
+ wrote += p - scratch;
+ if(cb(scratch, p - scratch, app_key) < 0)
+ return -1;
+ p = scratch;
+ }
+ if(wc < 0x80) {
+ *p++ = (char)wc;
+ } else if(wc < 0x800) {
+ *p++ = 0xc0 | ((wc >> 6));
+ *p++ = 0x80 | ((wc & 0x3f));
+ } else if(wc < 0x10000) {
+ *p++ = 0xe0 | ((wc >> 12));
+ *p++ = 0x80 | ((wc >> 6) & 0x3f);
+ *p++ = 0x80 | ((wc & 0x3f));
+ } else if(wc < 0x200000) {
+ *p++ = 0xf0 | ((wc >> 18));
+ *p++ = 0x80 | ((wc >> 12) & 0x3f);
+ *p++ = 0x80 | ((wc >> 6) & 0x3f);
+ *p++ = 0x80 | ((wc & 0x3f));
+ } else if(wc < 0x4000000) {
+ *p++ = 0xf8 | ((wc >> 24));
+ *p++ = 0x80 | ((wc >> 18) & 0x3f);
+ *p++ = 0x80 | ((wc >> 12) & 0x3f);
+ *p++ = 0x80 | ((wc >> 6) & 0x3f);
+ *p++ = 0x80 | ((wc & 0x3f));
+ } else {
+ *p++ = 0xfc | ((wc >> 30) & 0x1);
+ *p++ = 0x80 | ((wc >> 24) & 0x3f);
+ *p++ = 0x80 | ((wc >> 18) & 0x3f);
+ *p++ = 0x80 | ((wc >> 12) & 0x3f);
+ *p++ = 0x80 | ((wc >> 6) & 0x3f);
+ *p++ = 0x80 | ((wc & 0x3f));
+ }
+ }
+
+ wrote += p - scratch;
+ if(cb(scratch, p - scratch, app_key) < 0)
+ return -1;
+
+ return wrote;
+}
+
+asn_dec_rval_t
+UniversalString_decode_xer(const asn_codec_ctx_t *opt_codec_ctx,
+ const asn_TYPE_descriptor_t *td, void **sptr,
+ const char *opt_mname, const void *buf_ptr,
+ size_t size) {
+ asn_dec_rval_t rc;
+
+ rc = OCTET_STRING_decode_xer_utf8(opt_codec_ctx, td, sptr, opt_mname,
+ buf_ptr, size);
+ if(rc.code == RC_OK) {
+ /*
+ * Now we have a whole string in UTF-8 format.
+ * Convert it into UCS-4.
+ */
+ uint32_t *wcs;
+ size_t wcs_len;
+ UTF8String_t *st;
+#ifndef WORDS_BIGENDIAN
+ int little_endian = 1;
+#endif
+
+ assert(*sptr);
+ st = (UTF8String_t *)*sptr;
+ assert(st->buf);
+ wcs_len = UTF8String_to_wcs(st, 0, 0);
+
+ wcs = (uint32_t *)MALLOC(4 * (wcs_len + 1));
+ if(wcs == 0 || UTF8String_to_wcs(st, wcs, wcs_len) != wcs_len) {
+ rc.code = RC_FAIL;
+ rc.consumed = 0;
+ return rc;
+ } else {
+ wcs[wcs_len] = 0; /* nul-terminate */
+ }
+
+#ifndef WORDS_BIGENDIAN
+ if(*(char *)&little_endian) {
+ /* Swap byte order in encoding */
+ uint32_t *wc = wcs;
+ uint32_t *wc_end = wcs + wcs_len;
+ for(; wc < wc_end; wc++) {
+ /* *wc = htonl(*wc); */
+ uint32_t wch = *wc;
+ *((uint8_t *)wc + 0) = wch >> 24;
+ *((uint8_t *)wc + 1) = wch >> 16;
+ *((uint8_t *)wc + 2) = wch >> 8;
+ *((uint8_t *)wc + 3) = wch;
+ }
+ }
+#endif /* WORDS_BIGENDIAN */
+
+ FREEMEM(st->buf);
+ st->buf = (uint8_t *)wcs;
+ st->size = 4 * wcs_len;
+ }
+ return rc;
+}
+
+asn_enc_rval_t
+UniversalString_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) {
+ const UniversalString_t *st = (const UniversalString_t *)sptr;
+ asn_enc_rval_t er = {0,0,0};
+
+ (void)ilevel;
+ (void)flags;
+
+ if(!st || !st->buf)
+ ASN__ENCODE_FAILED;
+
+ er.encoded = UniversalString__dump(st, cb, app_key);
+ if(er.encoded < 0) ASN__ENCODE_FAILED;
+
+ ASN__ENCODED_OK(er);
+}
+
+int
+UniversalString_print(const asn_TYPE_descriptor_t *td, const void *sptr,
+ int ilevel, asn_app_consume_bytes_f *cb, void *app_key) {
+ const UniversalString_t *st = (const UniversalString_t *)sptr;
+
+ (void)td; /* Unused argument */
+ (void)ilevel; /* Unused argument */
+
+ if(!st || !st->buf) return (cb("<absent>", 8, app_key) < 0) ? -1 : 0;
+
+ if(UniversalString__dump(st, cb, app_key) < 0)
+ return -1;
+
+ return 0;
+}
+
Code Review / ric-app / bouncer.git / blobdiff