--- /dev/null
+/*-
+ * Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#include <asn_internal.h>
+#include <BMPString.h>
+#include <UTF8String.h>
+
+/*
+ * BMPString basic type description.
+ */
+static const ber_tlv_tag_t asn_DEF_BMPString_tags[] = {
+ (ASN_TAG_CLASS_UNIVERSAL | (30 << 2)), /* [UNIVERSAL 30] IMPLICIT ...*/
+ (ASN_TAG_CLASS_UNIVERSAL | (4 << 2)) /* ... OCTET STRING */
+};
+asn_OCTET_STRING_specifics_t asn_SPC_BMPString_specs = {
+ sizeof(BMPString_t),
+ offsetof(BMPString_t, _asn_ctx),
+ ASN_OSUBV_U16 /* 16-bits character */
+};
+static asn_per_constraints_t asn_DEF_BMPString_per_constraints = {
+ { APC_CONSTRAINED, 16, 16, 0, 65535 },
+ { APC_SEMI_CONSTRAINED, -1, -1, 0, 0 },
+ 0, 0
+};
+asn_TYPE_operation_t asn_OP_BMPString = {
+ OCTET_STRING_free, /* Implemented in terms of OCTET STRING */
+ BMPString_print,
+ OCTET_STRING_compare,
+ OCTET_STRING_decode_ber,
+ OCTET_STRING_encode_der,
+ BMPString_decode_xer, /* Convert from UTF-8 */
+ BMPString_encode_xer, /* Convert to 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_BMPString = {
+ "BMPString",
+ "BMPString",
+ &asn_OP_BMPString,
+ asn_DEF_BMPString_tags,
+ sizeof(asn_DEF_BMPString_tags)
+ / sizeof(asn_DEF_BMPString_tags[0]) - 1,
+ asn_DEF_BMPString_tags,
+ sizeof(asn_DEF_BMPString_tags)
+ / sizeof(asn_DEF_BMPString_tags[0]),
+ { 0, &asn_DEF_BMPString_per_constraints, BMPString_constraint },
+ 0, 0, /* No members */
+ &asn_SPC_BMPString_specs
+};
+
+int
+BMPString_constraint(const asn_TYPE_descriptor_t *td, const void *sptr,
+ asn_app_constraint_failed_f *ctfailcb, void *app_key) {
+ const BMPString_t *st = (const BMPString_t *)sptr;
+
+ if(st && st->buf) {
+ if(st->size & 1) {
+ ASN__CTFAIL(app_key, td, sptr,
+ "%s: invalid size %" ASN_PRI_SIZE " not divisible by 2 (%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;
+}
+
+/*
+ * BMPString specific contents printer.
+ */
+static ssize_t
+BMPString__dump(const BMPString_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--; ch < end; ch += 2) {
+ uint16_t wc = (ch[0] << 8) | ch[1]; /* 2 bytes */
+ if(sizeof(scratch) - (p - scratch) < 3) {
+ 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 {
+ *p++ = 0xe0 | ((wc >> 12));
+ *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
+BMPString_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-2.
+ */
+ uint32_t *wcs;
+ size_t wcs_len;
+ UTF8String_t *st;
+
+ 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 */
+ }
+
+ if(1) {
+ /* Swap byte order and trim encoding to 2 bytes */
+ uint32_t *wc = wcs;
+ uint32_t *wc_end = wcs + wcs_len;
+ uint16_t *dstwc = (uint16_t *)wcs;
+ for(; wc < wc_end; wc++, dstwc++) {
+ uint32_t wch = *wc;
+ if(wch > 0xffff) {
+ FREEMEM(wcs);
+ rc.code = RC_FAIL;
+ rc.consumed = 0;
+ return rc;
+ }
+ *((uint8_t *)dstwc + 0) = wch >> 8;
+ *((uint8_t *)dstwc + 1) = wch;
+ }
+ dstwc = (uint16_t *)REALLOC(wcs, 2 * (wcs_len + 1));
+ if(!dstwc) {
+ FREEMEM(wcs);
+ rc.code = RC_FAIL;
+ rc.consumed = 0;
+ return rc;
+ } else {
+ dstwc[wcs_len] = 0; /* nul-terminate */
+ wcs = (uint32_t *)(void *)dstwc; /* Alignment OK */
+ }
+ }
+
+ FREEMEM(st->buf);
+ st->buf = (uint8_t *)wcs;
+ st->size = 2 * wcs_len;
+ }
+ return rc;
+}
+
+asn_enc_rval_t
+BMPString_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 BMPString_t *st = (const BMPString_t *)sptr;
+ asn_enc_rval_t er = {0,0,0};
+
+ (void)ilevel;
+ (void)flags;
+
+ if(!st || !st->buf)
+ ASN__ENCODE_FAILED;
+
+ er.encoded = BMPString__dump(st, cb, app_key);
+ if(er.encoded < 0) ASN__ENCODE_FAILED;
+
+ ASN__ENCODED_OK(er);
+}
+
+int
+BMPString_print(const asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
+ asn_app_consume_bytes_f *cb, void *app_key) {
+ const BMPString_t *st = (const BMPString_t *)sptr;
+
+ (void)td; /* Unused argument */
+ (void)ilevel; /* Unused argument */
+
+ if(!st || !st->buf)
+ return (cb("<absent>", 8, app_key) < 0) ? -1 : 0;
+
+ if(BMPString__dump(st, cb, app_key) < 0)
+ return -1;
+
+ return 0;
+}
+
Code Review / ric-app / bouncer.git / blobdiff