* project 2000.
*/
/* ====================================================================
- * Copyright (c) 2000 The OpenSSL Project. All rights reserved.
+ * Copyright (c) 2000-2004 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
#include <openssl/err.h>
static int asn1_check_eoc(const unsigned char **in, long len);
-static int asn1_collect(BUF_MEM *buf, const unsigned char **in, long len, char inf, int tag, int aclass);
+
+static int asn1_collect(BUF_MEM *buf, const unsigned char **in, long len,
+ char inf, int tag, int aclass);
+
static int collect_data(BUF_MEM *buf, const unsigned char **p, long plen);
-static int asn1_check_tlen(long *olen, int *otag, unsigned char *oclass, char *inf, char *cst,
- const unsigned char **in, long len, int exptag, int expclass, char opt, ASN1_TLC *ctx);
-static int asn1_template_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, const ASN1_TEMPLATE *tt, char opt, ASN1_TLC *ctx);
-static int asn1_template_noexp_d2i(ASN1_VALUE **val, const unsigned char **in, long len, const ASN1_TEMPLATE *tt, char opt, ASN1_TLC *ctx);
-static int asn1_d2i_ex_primitive(ASN1_VALUE **pval, const unsigned char **in, long len,
- const ASN1_ITEM *it, int tag, int aclass, char opt, ASN1_TLC *ctx);
+
+static int asn1_check_tlen(long *olen, int *otag, unsigned char *oclass,
+ char *inf, char *cst,
+ const unsigned char **in, long len,
+ int exptag, int expclass, char opt,
+ ASN1_TLC *ctx);
+
+static int asn1_template_ex_d2i(ASN1_VALUE **pval,
+ const unsigned char **in, long len,
+ const ASN1_TEMPLATE *tt, char opt,
+ ASN1_TLC *ctx);
+static int asn1_template_noexp_d2i(ASN1_VALUE **val,
+ const unsigned char **in, long len,
+ const ASN1_TEMPLATE *tt, char opt,
+ ASN1_TLC *ctx);
+static int asn1_d2i_ex_primitive(ASN1_VALUE **pval,
+ const unsigned char **in, long len,
+ const ASN1_ITEM *it,
+ int tag, int aclass, char opt, ASN1_TLC *ctx);
/* Table to convert tags to bit values, used for MSTRING type */
-static unsigned long tag2bit[32]={
+static unsigned long tag2bit[32] = {
0, 0, 0, B_ASN1_BIT_STRING, /* tags 0 - 3 */
B_ASN1_OCTET_STRING, 0, 0, B_ASN1_UNKNOWN,/* tags 4- 7 */
B_ASN1_UNKNOWN, B_ASN1_UNKNOWN, B_ASN1_UNKNOWN, B_ASN1_UNKNOWN,/* tags 8-11 */
};
unsigned long ASN1_tag2bit(int tag)
-{
- if((tag < 0) || (tag > 30)) return 0;
+ {
+ if ((tag < 0) || (tag > 30)) return 0;
return tag2bit[tag];
-}
+ }
/* Macro to initialize and invalidate the cache */
-#define asn1_tlc_clear(c) if(c) (c)->valid = 0
+#define asn1_tlc_clear(c) if (c) (c)->valid = 0
/* Decode an ASN1 item, this currently behaves just
* like a standard 'd2i' function. 'in' points to
* case.
*/
-ASN1_VALUE *ASN1_item_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, const ASN1_ITEM *it)
-{
+ASN1_VALUE *ASN1_item_d2i(ASN1_VALUE **pval,
+ const unsigned char **in, long len, const ASN1_ITEM *it)
+ {
ASN1_TLC c;
ASN1_VALUE *ptmpval = NULL;
- if(!pval) pval = &ptmpval;
+ if (!pval)
+ pval = &ptmpval;
asn1_tlc_clear(&c);
- if(ASN1_item_ex_d2i(pval, in, len, it, -1, 0, 0, &c) > 0)
+ if (ASN1_item_ex_d2i(pval, in, len, it, -1, 0, 0, &c) > 0)
return *pval;
return NULL;
-}
+ }
-int ASN1_template_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, const ASN1_TEMPLATE *tt)
-{
+int ASN1_template_d2i(ASN1_VALUE **pval,
+ const unsigned char **in, long len, const ASN1_TEMPLATE *tt)
+ {
ASN1_TLC c;
asn1_tlc_clear(&c);
return asn1_template_ex_d2i(pval, in, len, tt, 0, &c);
-}
+ }
/* Decode an item, taking care of IMPLICIT tagging, if any.
* If 'opt' set and tag mismatch return -1 to handle OPTIONAL
*/
-int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, const ASN1_ITEM *it,
- int tag, int aclass, char opt, ASN1_TLC *ctx)
-{
+int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
+ const ASN1_ITEM *it,
+ int tag, int aclass, char opt, ASN1_TLC *ctx)
+ {
const ASN1_TEMPLATE *tt, *errtt = NULL;
const ASN1_COMPAT_FUNCS *cf;
const ASN1_EXTERN_FUNCS *ef;
int otag;
int ret = 0;
ASN1_VALUE *pchval, **pchptr, *ptmpval;
- if(!pval) return 0;
- if(aux && aux->asn1_cb) asn1_cb = aux->asn1_cb;
+ if (!pval)
+ return 0;
+ if (aux && aux->asn1_cb)
+ asn1_cb = aux->asn1_cb;
else asn1_cb = 0;
- switch(it->itype) {
-
+ switch(it->itype)
+ {
case ASN1_ITYPE_PRIMITIVE:
- if(it->templates) {
- /* tagging or OPTIONAL is currently illegal on an item template
- * because the flags can't get passed down. In practice this isn't
- * a problem: we include the relevant flags from the item template
- * in the template itself.
+ if (it->templates)
+ {
+ /* tagging or OPTIONAL is currently illegal on an item
+ * template because the flags can't get passed down.
+ * In practice this isn't a problem: we include the
+ * relevant flags from the item template in the
+ * template itself.
*/
- if ((tag != -1) || opt) {
- ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_ILLEGAL_OPTIONS_ON_ITEM_TEMPLATE);
+ if ((tag != -1) || opt)
+ {
+ ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
+ ASN1_R_ILLEGAL_OPTIONS_ON_ITEM_TEMPLATE);
goto err;
- }
- return asn1_template_ex_d2i(pval, in, len, it->templates, opt, ctx);
+ }
+ return asn1_template_ex_d2i(pval, in, len,
+ it->templates, opt, ctx);
}
- return asn1_d2i_ex_primitive(pval, in, len, it, tag, aclass, opt, ctx);
+ return asn1_d2i_ex_primitive(pval, in, len, it,
+ tag, aclass, opt, ctx);
break;
case ASN1_ITYPE_MSTRING:
p = *in;
/* Just read in tag and class */
- ret = asn1_check_tlen(NULL, &otag, &oclass, NULL, NULL, &p, len, -1, 0, 1, ctx);
- if(!ret) {
- ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
+ ret = asn1_check_tlen(NULL, &otag, &oclass, NULL, NULL,
+ &p, len, -1, 0, 1, ctx);
+ if (!ret)
+ {
+ ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
+ ERR_R_NESTED_ASN1_ERROR);
goto err;
- }
+ }
+
/* Must be UNIVERSAL class */
- if(oclass != V_ASN1_UNIVERSAL) {
+ if (oclass != V_ASN1_UNIVERSAL)
+ {
/* If OPTIONAL, assume this is OK */
- if(opt) return -1;
- ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_MSTRING_NOT_UNIVERSAL);
+ if (opt) return -1;
+ ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
+ ASN1_R_MSTRING_NOT_UNIVERSAL);
goto err;
- }
+ }
/* Check tag matches bit map */
- if(!(ASN1_tag2bit(otag) & it->utype)) {
+ if (!(ASN1_tag2bit(otag) & it->utype))
+ {
/* If OPTIONAL, assume this is OK */
- if(opt) return -1;
- ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_MSTRING_WRONG_TAG);
+ if (opt)
+ return -1;
+ ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
+ ASN1_R_MSTRING_WRONG_TAG);
goto err;
- }
- return asn1_d2i_ex_primitive(pval, in, len, it, otag, 0, 0, ctx);
+ }
+ return asn1_d2i_ex_primitive(pval, in, len,
+ it, otag, 0, 0, ctx);
case ASN1_ITYPE_EXTERN:
/* Use new style d2i */
ef = it->funcs;
- return ef->asn1_ex_d2i(pval, in, len, it, tag, aclass, opt, ctx);
+ return ef->asn1_ex_d2i(pval, in, len,
+ it, tag, aclass, opt, ctx);
case ASN1_ITYPE_COMPAT:
/* we must resort to old style evil hackery */
cf = it->funcs;
/* If OPTIONAL see if it is there */
- if(opt) {
+ if (opt)
+ {
int exptag;
p = *in;
- if(tag == -1) exptag = it->utype;
+ if (tag == -1)
+ exptag = it->utype;
else exptag = tag;
- /* Don't care about anything other than presence of expected tag */
- ret = asn1_check_tlen(NULL, NULL, NULL, NULL, NULL, &p, len, exptag, aclass, 1, ctx);
- if(!ret) {
- ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
+ /* Don't care about anything other than presence
+ * of expected tag */
+
+ ret = asn1_check_tlen(NULL, NULL, NULL, NULL, NULL,
+ &p, len, exptag, aclass, 1, ctx);
+ if (!ret)
+ {
+ ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
+ ERR_R_NESTED_ASN1_ERROR);
goto err;
+ }
+ if (ret == -1)
+ return -1;
}
- if(ret == -1) return -1;
- }
+
/* This is the old style evil hack IMPLICIT handling:
* since the underlying code is expecting a tag and
* class other than the one present we change the
* buffer.
*/
- if(tag != -1) {
+ if (tag != -1)
+ {
wp = *(unsigned char **)in;
imphack = *wp;
- *wp = (unsigned char)((*p & V_ASN1_CONSTRUCTED) | it->utype);
- }
+ *wp = (unsigned char)((*p & V_ASN1_CONSTRUCTED)
+ | it->utype);
+ }
ptmpval = cf->asn1_d2i(pval, in, len);
- if(tag != -1) *wp = imphack;
+ if (tag != -1)
+ *wp = imphack;
+
+ if (ptmpval)
+ return 1;
- if(ptmpval) return 1;
ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
goto err;
case ASN1_ITYPE_CHOICE:
- if(asn1_cb && !asn1_cb(ASN1_OP_D2I_PRE, pval, it))
+ if (asn1_cb && !asn1_cb(ASN1_OP_D2I_PRE, pval, it))
goto auxerr;
/* Allocate structure */
- if(!*pval) {
- if(!ASN1_item_ex_new(pval, it)) {
- ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
- goto err;
+ if (!*pval && !ASN1_item_ex_new(pval, it))
+ {
+ ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
+ ERR_R_NESTED_ASN1_ERROR);
+ goto err;
}
- }
/* CHOICE type, try each possibility in turn */
pchval = NULL;
p = *in;
- for(i = 0, tt=it->templates; i < it->tcount; i++, tt++) {
+ for(i = 0, tt=it->templates; i < it->tcount; i++, tt++)
+ {
pchptr = asn1_get_field_ptr(pval, tt);
/* We mark field as OPTIONAL so its absence
* can be recognised.
*/
ret = asn1_template_ex_d2i(pchptr, &p, len, tt, 1, ctx);
/* If field not present, try the next one */
- if(ret == -1) continue;
+ if (ret == -1)
+ continue;
/* If positive return, read OK, break loop */
- if(ret > 0) break;
+ if (ret > 0)
+ break;
/* Otherwise must be an ASN1 parsing error */
errtt = tt;
- ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
+ ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
+ ERR_R_NESTED_ASN1_ERROR);
goto err;
- }
+ }
+
/* Did we fall off the end without reading anything? */
- if(i == it->tcount) {
+ if (i == it->tcount)
+ {
/* If OPTIONAL, this is OK */
- if(opt) {
+ if (opt)
+ {
/* Free and zero it */
ASN1_item_ex_free(pval, it);
return -1;
- }
- ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_NO_MATCHING_CHOICE_TYPE);
+ }
+ ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
+ ASN1_R_NO_MATCHING_CHOICE_TYPE);
goto err;
- }
+ }
+
asn1_set_choice_selector(pval, i, it);
*in = p;
- if(asn1_cb && !asn1_cb(ASN1_OP_D2I_POST, pval, it))
+ if (asn1_cb && !asn1_cb(ASN1_OP_D2I_POST, pval, it))
goto auxerr;
return 1;
tmplen = len;
/* If no IMPLICIT tagging set to SEQUENCE, UNIVERSAL */
- if(tag == -1) {
+ if (tag == -1)
+ {
tag = V_ASN1_SEQUENCE;
aclass = V_ASN1_UNIVERSAL;
- }
+ }
/* Get SEQUENCE length and update len, p */
- ret = asn1_check_tlen(&len, NULL, NULL, &seq_eoc, &cst, &p, len, tag, aclass, opt, ctx);
- if(!ret) {
- ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
+ ret = asn1_check_tlen(&len, NULL, NULL, &seq_eoc, &cst,
+ &p, len, tag, aclass, opt, ctx);
+ if (!ret)
+ {
+ ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
+ ERR_R_NESTED_ASN1_ERROR);
goto err;
- } else if(ret == -1) return -1;
- if(aux && (aux->flags & ASN1_AFLG_BROKEN)) {
+ }
+ else if (ret == -1)
+ return -1;
+ if (aux && (aux->flags & ASN1_AFLG_BROKEN))
+ {
len = tmplen - (p - *in);
seq_nolen = 1;
- } else seq_nolen = seq_eoc; /* If indefinite we don't do a length check */
- if(!cst) {
- ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_SEQUENCE_NOT_CONSTRUCTED);
+ }
+ /* If indefinite we don't do a length check */
+ else seq_nolen = seq_eoc;
+ if (!cst)
+ {
+ ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
+ ASN1_R_SEQUENCE_NOT_CONSTRUCTED);
goto err;
- }
+ }
- if(!*pval) {
- if(!ASN1_item_ex_new(pval, it)) {
- ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
- goto err;
+ if (!*pval && !!ASN1_item_ex_new(pval, it))
+ {
+ ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
+ ERR_R_NESTED_ASN1_ERROR);
+ goto err;
}
- }
- if(asn1_cb && !asn1_cb(ASN1_OP_D2I_PRE, pval, it))
+
+ if (asn1_cb && !asn1_cb(ASN1_OP_D2I_PRE, pval, it))
goto auxerr;
/* Get each field entry */
- for(i = 0, tt = it->templates; i < it->tcount; i++, tt++) {
+ for (i = 0, tt = it->templates; i < it->tcount; i++, tt++)
+ {
const ASN1_TEMPLATE *seqtt;
ASN1_VALUE **pseqval;
seqtt = asn1_do_adb(pval, tt, 1);
- if(!seqtt) goto err;
+ if (!seqtt)
+ goto err;
pseqval = asn1_get_field_ptr(pval, seqtt);
/* Have we ran out of data? */
- if(!len) break;
+ if (!len)
+ break;
q = p;
- if(asn1_check_eoc(&p, len)) {
- if(!seq_eoc) {
- ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_UNEXPECTED_EOC);
+ if (asn1_check_eoc(&p, len))
+ {
+ if (!seq_eoc)
+ {
+ ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
+ ASN1_R_UNEXPECTED_EOC);
goto err;
- }
+ }
len -= p - q;
seq_eoc = 0;
q = p;
break;
- }
- /* This determines the OPTIONAL flag value. The field cannot
- * be omitted if it is the last of a SEQUENCE and there is
- * still data to be read. This isn't strictly necessary but
- * it increases efficiency in some cases.
+ }
+ /* This determines the OPTIONAL flag value. The field
+ * cannot be omitted if it is the last of a SEQUENCE
+ * and there is still data to be read. This isn't
+ * strictly necessary but it increases efficiency in
+ * some cases.
*/
- if(i == (it->tcount - 1)) isopt = 0;
+ if (i == (it->tcount - 1))
+ isopt = 0;
else isopt = (char)(seqtt->flags & ASN1_TFLG_OPTIONAL);
- /* attempt to read in field, allowing each to be OPTIONAL */
- ret = asn1_template_ex_d2i(pseqval, &p, len, seqtt, isopt, ctx);
- if(!ret) {
+ /* attempt to read in field, allowing each to be
+ * OPTIONAL */
+
+ ret = asn1_template_ex_d2i(pseqval, &p, len,
+ seqtt, isopt, ctx);
+ if (!ret)
+ {
errtt = seqtt;
goto err;
- } else if(ret == -1) {
- /* OPTIONAL component absent. Free and zero the field
+ }
+ else if (ret == -1)
+ {
+ /* OPTIONAL component absent.
+ * Free and zero the field.
*/
ASN1_template_free(pseqval, seqtt);
continue;
- }
+ }
/* Update length */
len -= p - q;
- }
+ }
+
/* Check for EOC if expecting one */
- if(seq_eoc && !asn1_check_eoc(&p, len)) {
+ if (seq_eoc && !asn1_check_eoc(&p, len))
+ {
ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_MISSING_EOC);
goto err;
- }
+ }
/* Check all data read */
- if(!seq_nolen && len) {
- ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_SEQUENCE_LENGTH_MISMATCH);
+ if (!seq_nolen && len)
+ {
+ ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
+ ASN1_R_SEQUENCE_LENGTH_MISMATCH);
goto err;
- }
+ }
/* If we get here we've got no more data in the SEQUENCE,
* however we may not have read all fields so check all
* remaining are OPTIONAL and clear any that are.
*/
- for(; i < it->tcount; tt++, i++) {
+ for (; i < it->tcount; tt++, i++)
+ {
const ASN1_TEMPLATE *seqtt;
seqtt = asn1_do_adb(pval, tt, 1);
- if(!seqtt) goto err;
- if(seqtt->flags & ASN1_TFLG_OPTIONAL) {
+ if (!seqtt)
+ goto err;
+ if (seqtt->flags & ASN1_TFLG_OPTIONAL)
+ {
ASN1_VALUE **pseqval;
pseqval = asn1_get_field_ptr(pval, seqtt);
ASN1_template_free(pseqval, seqtt);
- } else {
+ }
+ else
+ {
errtt = seqtt;
- ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_FIELD_MISSING);
+ ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
+ ASN1_R_FIELD_MISSING);
goto err;
+ }
}
- }
/* Save encoding */
- if(!asn1_enc_save(pval, *in, p - *in, it)) goto auxerr;
+ if (!asn1_enc_save(pval, *in, p - *in, it))
+ goto auxerr;
*in = p;
- if(asn1_cb && !asn1_cb(ASN1_OP_D2I_POST, pval, it))
+ if (asn1_cb && !asn1_cb(ASN1_OP_D2I_POST, pval, it))
goto auxerr;
return 1;
default:
return 0;
- }
+ }
auxerr:
ASN1err(ASN1_F_ASN1_ITEM_EX_D2I, ASN1_R_AUX_ERROR);
err:
ASN1_item_ex_free(pval, it);
- if(errtt) ERR_add_error_data(4, "Field=", errtt->field_name, ", Type=", it->sname);
- else ERR_add_error_data(2, "Type=", it->sname);
+ if (errtt)
+ ERR_add_error_data(4, "Field=", errtt->field_name,
+ ", Type=", it->sname);
+ else
+ ERR_add_error_data(2, "Type=", it->sname);
return 0;
-}
+ }
-/* Templates are handled with two separate functions. One handles any EXPLICIT tag and the other handles the
- * rest.
+/* Templates are handled with two separate functions.
+ * One handles any EXPLICIT tag and the other handles the rest.
*/
-static int asn1_template_ex_d2i(ASN1_VALUE **val, const unsigned char **in, long inlen, const ASN1_TEMPLATE *tt, char opt, ASN1_TLC *ctx)
-{
+static int asn1_template_ex_d2i(ASN1_VALUE **val,
+ const unsigned char **in, long inlen,
+ const ASN1_TEMPLATE *tt, char opt,
+ ASN1_TLC *ctx)
+ {
int flags, aclass;
int ret;
long len;
const unsigned char *p, *q;
char exp_eoc;
- if(!val) return 0;
+ if (!val)
+ return 0;
flags = tt->flags;
aclass = flags & ASN1_TFLG_TAG_CLASS;
p = *in;
/* Check if EXPLICIT tag expected */
- if(flags & ASN1_TFLG_EXPTAG) {
+ if (flags & ASN1_TFLG_EXPTAG)
+ {
char cst;
- /* Need to work out amount of data available to the inner content and where it
- * starts: so read in EXPLICIT header to get the info.
+ /* Need to work out amount of data available to the inner
+ * content and where it starts: so read in EXPLICIT header to
+ * get the info.
*/
- ret = asn1_check_tlen(&len, NULL, NULL, &exp_eoc, &cst, &p, inlen, tt->tag, aclass, opt, ctx);
+ ret = asn1_check_tlen(&len, NULL, NULL, &exp_eoc, &cst,
+ &p, inlen, tt->tag, aclass, opt, ctx);
q = p;
- if(!ret) {
- ASN1err(ASN1_F_ASN1_TEMPLATE_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
+ if (!ret)
+ {
+ ASN1err(ASN1_F_ASN1_TEMPLATE_EX_D2I,
+ ERR_R_NESTED_ASN1_ERROR);
return 0;
- } else if(ret == -1) return -1;
- if(!cst) {
- ASN1err(ASN1_F_ASN1_TEMPLATE_EX_D2I, ASN1_R_EXPLICIT_TAG_NOT_CONSTRUCTED);
+ }
+ else if (ret == -1)
+ return -1;
+ if (!cst)
+ {
+ ASN1err(ASN1_F_ASN1_TEMPLATE_EX_D2I,
+ ASN1_R_EXPLICIT_TAG_NOT_CONSTRUCTED);
return 0;
- }
+ }
/* We've found the field so it can't be OPTIONAL now */
ret = asn1_template_noexp_d2i(val, &p, len, tt, 0, ctx);
- if(!ret) {
- ASN1err(ASN1_F_ASN1_TEMPLATE_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
+ if (!ret)
+ {
+ ASN1err(ASN1_F_ASN1_TEMPLATE_EX_D2I,
+ ERR_R_NESTED_ASN1_ERROR);
return 0;
- }
+ }
/* We read the field in OK so update length */
len -= p - q;
- if(exp_eoc) {
+ if (exp_eoc)
+ {
/* If NDEF we must have an EOC here */
- if(!asn1_check_eoc(&p, len)) {
- ASN1err(ASN1_F_ASN1_TEMPLATE_D2I, ASN1_R_MISSING_EOC);
+ if (!asn1_check_eoc(&p, len))
+ {
+ ASN1err(ASN1_F_ASN1_TEMPLATE_D2I,
+ ASN1_R_MISSING_EOC);
goto err;
+ }
}
- } else {
- /* Otherwise we must hit the EXPLICIT tag end or its an error */
- if(len) {
- ASN1err(ASN1_F_ASN1_TEMPLATE_D2I, ASN1_R_EXPLICIT_LENGTH_MISMATCH);
+ else
+ {
+ /* Otherwise we must hit the EXPLICIT tag end or its
+ * an error */
+ if (len)
+ {
+ ASN1err(ASN1_F_ASN1_TEMPLATE_D2I,
+ ASN1_R_EXPLICIT_LENGTH_MISMATCH);
goto err;
+ }
}
}
- } else
- return asn1_template_noexp_d2i(val, in, inlen, tt, opt, ctx);
+ else
+ return asn1_template_noexp_d2i(val, in, inlen,
+ tt, opt, ctx);
*in = p;
return 1;
ASN1_template_free(val, tt);
*val = NULL;
return 0;
-}
+ }
-static int asn1_template_noexp_d2i(ASN1_VALUE **val, const unsigned char **in, long len, const ASN1_TEMPLATE *tt, char opt, ASN1_TLC *ctx)
-{
+static int asn1_template_noexp_d2i(ASN1_VALUE **val,
+ const unsigned char **in, long len,
+ const ASN1_TEMPLATE *tt, char opt,
+ ASN1_TLC *ctx)
+ {
int flags, aclass;
int ret;
const unsigned char *p, *q;
- if(!val) return 0;
+ if (!val)
+ return 0;
flags = tt->flags;
aclass = flags & ASN1_TFLG_TAG_CLASS;
p = *in;
q = p;
- if(flags & ASN1_TFLG_SK_MASK) {
+ if (flags & ASN1_TFLG_SK_MASK)
+ {
/* SET OF, SEQUENCE OF */
int sktag, skaclass;
char sk_eoc;
/* First work out expected inner tag value */
- if(flags & ASN1_TFLG_IMPTAG) {
+ if (flags & ASN1_TFLG_IMPTAG)
+ {
sktag = tt->tag;
skaclass = aclass;
- } else {
+ }
+ else
+ {
skaclass = V_ASN1_UNIVERSAL;
- if(flags & ASN1_TFLG_SET_OF) sktag = V_ASN1_SET;
- else sktag = V_ASN1_SEQUENCE;
- }
+ if (flags & ASN1_TFLG_SET_OF)
+ sktag = V_ASN1_SET;
+ else
+ sktag = V_ASN1_SEQUENCE;
+ }
/* Get the tag */
- ret = asn1_check_tlen(&len, NULL, NULL, &sk_eoc, NULL, &p, len, sktag, skaclass, opt, ctx);
- if(!ret) {
- ASN1err(ASN1_F_ASN1_TEMPLATE_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
+ ret = asn1_check_tlen(&len, NULL, NULL, &sk_eoc, NULL,
+ &p, len, sktag, skaclass, opt, ctx);
+ if (!ret)
+ {
+ ASN1err(ASN1_F_ASN1_TEMPLATE_EX_D2I,
+ ERR_R_NESTED_ASN1_ERROR);
return 0;
- } else if(ret == -1) return -1;
- if(!*val) *val = (ASN1_VALUE *)sk_new_null();
- else {
+ }
+ else if (ret == -1)
+ return -1;
+ if (!*val)
+ *val = (ASN1_VALUE *)sk_new_null();
+ else
+ {
/* We've got a valid STACK: free up any items present */
STACK *sktmp = (STACK *)*val;
ASN1_VALUE *vtmp;
- while(sk_num(sktmp) > 0) {
+ while(sk_num(sktmp) > 0)
+ {
vtmp = (ASN1_VALUE *)sk_pop(sktmp);
- ASN1_item_ex_free(&vtmp, ASN1_ITEM_ptr(tt->item));
+ ASN1_item_ex_free(&vtmp,
+ ASN1_ITEM_ptr(tt->item));
+ }
}
- }
- if(!*val) {
- ASN1err(ASN1_F_ASN1_TEMPLATE_EX_D2I, ERR_R_MALLOC_FAILURE);
+ if (!*val)
+ {
+ ASN1err(ASN1_F_ASN1_TEMPLATE_EX_D2I,
+ ERR_R_MALLOC_FAILURE);
goto err;
- }
+ }
+
/* Read as many items as we can */
- while(len > 0) {
+ while(len > 0)
+ {
ASN1_VALUE *skfield;
q = p;
/* See if EOC found */
- if(asn1_check_eoc(&p, len)) {
- if(!sk_eoc) {
- ASN1err(ASN1_F_ASN1_TEMPLATE_D2I, ASN1_R_UNEXPECTED_EOC);
+ if (asn1_check_eoc(&p, len))
+ {
+ if (!sk_eoc)
+ {
+ ASN1err(ASN1_F_ASN1_TEMPLATE_D2I,
+ ASN1_R_UNEXPECTED_EOC);
goto err;
- }
+ }
len -= p - q;
sk_eoc = 0;
break;
- }
+ }
skfield = NULL;
- if(!ASN1_item_ex_d2i(&skfield, &p, len, ASN1_ITEM_ptr(tt->item), -1, 0, 0, ctx)) {
- ASN1err(ASN1_F_ASN1_TEMPLATE_D2I, ERR_R_NESTED_ASN1_ERROR);
+ if (!ASN1_item_ex_d2i(&skfield, &p, len,
+ ASN1_ITEM_ptr(tt->item),
+ -1, 0, 0, ctx))
+ {
+ ASN1err(ASN1_F_ASN1_TEMPLATE_D2I,
+ ERR_R_NESTED_ASN1_ERROR);
goto err;
- }
+ }
len -= p - q;
- if(!sk_push((STACK *)*val, (char *)skfield)) {
- ASN1err(ASN1_F_ASN1_TEMPLATE_D2I, ERR_R_MALLOC_FAILURE);
+ if (!sk_push((STACK *)*val, (char *)skfield))
+ {
+ ASN1err(ASN1_F_ASN1_TEMPLATE_D2I,
+ ERR_R_MALLOC_FAILURE);
goto err;
+ }
}
- }
- if(sk_eoc) {
+ if (sk_eoc)
+ {
ASN1err(ASN1_F_ASN1_TEMPLATE_D2I, ASN1_R_MISSING_EOC);
goto err;
+ }
}
- } else if(flags & ASN1_TFLG_IMPTAG) {
+ else if (flags & ASN1_TFLG_IMPTAG)
+ {
/* IMPLICIT tagging */
- ret = ASN1_item_ex_d2i(val, &p, len, ASN1_ITEM_ptr(tt->item), tt->tag, aclass, opt, ctx);
- if(!ret) {
- ASN1err(ASN1_F_ASN1_TEMPLATE_D2I, ERR_R_NESTED_ASN1_ERROR);
+ ret = ASN1_item_ex_d2i(val, &p, len,
+ ASN1_ITEM_ptr(tt->item), tt->tag, aclass, opt, ctx);
+ if (!ret)
+ {
+ ASN1err(ASN1_F_ASN1_TEMPLATE_D2I,
+ ERR_R_NESTED_ASN1_ERROR);
goto err;
- } else if(ret == -1) return -1;
- } else {
+ }
+ else if (ret == -1)
+ return -1;
+ }
+ else
+ {
/* Nothing special */
- ret = ASN1_item_ex_d2i(val, &p, len, ASN1_ITEM_ptr(tt->item), -1, 0, opt, ctx);
- if(!ret) {
- ASN1err(ASN1_F_ASN1_TEMPLATE_D2I, ERR_R_NESTED_ASN1_ERROR);
+ ret = ASN1_item_ex_d2i(val, &p, len, ASN1_ITEM_ptr(tt->item),
+ -1, 0, opt, ctx);
+ if (!ret)
+ {
+ ASN1err(ASN1_F_ASN1_TEMPLATE_D2I,
+ ERR_R_NESTED_ASN1_ERROR);
goto err;
- } else if(ret == -1) return -1;
- }
+ }
+ else if (ret == -1)
+ return -1;
+ }
*in = p;
return 1;
ASN1_template_free(val, tt);
*val = NULL;
return 0;
-}
+ }
-static int asn1_d2i_ex_primitive(ASN1_VALUE **pval, const unsigned char **in, long inlen,
- const ASN1_ITEM *it,
- int tag, int aclass, char opt, ASN1_TLC *ctx)
-{
+static int asn1_d2i_ex_primitive(ASN1_VALUE **pval,
+ const unsigned char **in, long inlen,
+ const ASN1_ITEM *it,
+ int tag, int aclass, char opt, ASN1_TLC *ctx)
+ {
int ret = 0, utype;
long plen;
char cst, inf, free_cont = 0;
BUF_MEM buf;
const unsigned char *cont = NULL;
long len;
- if(!pval) {
+ if (!pval)
+ {
ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE, ASN1_R_ILLEGAL_NULL);
return 0; /* Should never happen */
- }
+ }
- if(it->itype == ASN1_ITYPE_MSTRING) {
+ if (it->itype == ASN1_ITYPE_MSTRING)
+ {
utype = tag;
tag = -1;
- } else utype = it->utype;
+ }
+ else
+ utype = it->utype;
- if(utype == V_ASN1_ANY) {
+ if (utype == V_ASN1_ANY)
+ {
/* If type is ANY need to figure out type from tag */
unsigned char oclass;
- if(tag >= 0) {
- ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE, ASN1_R_ILLEGAL_TAGGED_ANY);
+ if (tag >= 0)
+ {
+ ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE,
+ ASN1_R_ILLEGAL_TAGGED_ANY);
return 0;
- }
- if(opt) {
- ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE, ASN1_R_ILLEGAL_OPTIONAL_ANY);
+ }
+ if (opt)
+ {
+ ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE,
+ ASN1_R_ILLEGAL_OPTIONAL_ANY);
return 0;
- }
+ }
p = *in;
- ret = asn1_check_tlen(NULL, &utype, &oclass, NULL, NULL, &p, inlen, -1, 0, 0, ctx);
- if(!ret) {
- ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE, ERR_R_NESTED_ASN1_ERROR);
+ ret = asn1_check_tlen(NULL, &utype, &oclass, NULL, NULL,
+ &p, inlen, -1, 0, 0, ctx);
+ if (!ret)
+ {
+ ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE,
+ ERR_R_NESTED_ASN1_ERROR);
return 0;
+ }
+ if (oclass != V_ASN1_UNIVERSAL)
+ utype = V_ASN1_OTHER;
}
- if(oclass != V_ASN1_UNIVERSAL) utype = V_ASN1_OTHER;
- }
- if(tag == -1) {
+ if (tag == -1)
+ {
tag = utype;
aclass = V_ASN1_UNIVERSAL;
- }
+ }
p = *in;
/* Check header */
- ret = asn1_check_tlen(&plen, NULL, NULL, &inf, &cst, &p, inlen, tag, aclass, opt, ctx);
- if(!ret) {
+ ret = asn1_check_tlen(&plen, NULL, NULL, &inf, &cst,
+ &p, inlen, tag, aclass, opt, ctx);
+ if (!ret)
+ {
ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE, ERR_R_NESTED_ASN1_ERROR);
return 0;
- } else if(ret == -1) return -1;
+ }
+ else if (ret == -1)
+ return -1;
/* SEQUENCE, SET and "OTHER" are left in encoded form */
- if((utype == V_ASN1_SEQUENCE) || (utype == V_ASN1_SET) || (utype == V_ASN1_OTHER)) {
- /* Clear context cache for type OTHER because the auto clear when
- * we have a exact match wont work
+ if ((utype == V_ASN1_SEQUENCE)
+ || (utype == V_ASN1_SET) || (utype == V_ASN1_OTHER))
+ {
+ /* Clear context cache for type OTHER because the auto clear
+ * when we have a exact match wont work
*/
- if(utype == V_ASN1_OTHER) {
+ if (utype == V_ASN1_OTHER)
+ {
asn1_tlc_clear(ctx);
+ }
/* SEQUENCE and SET must be constructed */
- } else if(!cst) {
- ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE, ASN1_R_TYPE_NOT_CONSTRUCTED);
+ else if (!cst)
+ {
+ ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE,
+ ASN1_R_TYPE_NOT_CONSTRUCTED);
return 0;
- }
+ }
cont = *in;
/* If indefinite length constructed find the real end */
- if(inf) {
- if(!asn1_collect(NULL, &p, plen, inf, -1, -1)) goto err;
+ if (inf)
+ {
+ if (!asn1_collect(NULL, &p, plen, inf, -1, -1))
+ goto err;
len = p - cont;
- } else {
+ }
+ else
+ {
len = p - cont + plen;
p += plen;
buf.data = NULL;
+ }
}
- } else if(cst) {
+ else if (cst)
+ {
buf.length = 0;
buf.max = 0;
buf.data = NULL;
* internally irrespective of the type. So instead just check
* for UNIVERSAL class and ignore the tag.
*/
- if(!asn1_collect(&buf, &p, plen, inf, -1, V_ASN1_UNIVERSAL)) goto err;
+ if (!asn1_collect(&buf, &p, plen, inf, -1, V_ASN1_UNIVERSAL))
+ goto err;
len = buf.length;
/* Append a final null to string */
- if(!BUF_MEM_grow_clean(&buf, len + 1)) {
- ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE, ERR_R_MALLOC_FAILURE);
+ if (!BUF_MEM_grow_clean(&buf, len + 1))
+ {
+ ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE,
+ ERR_R_MALLOC_FAILURE);
return 0;
- }
+ }
buf.data[len] = 0;
cont = (const unsigned char *)buf.data;
free_cont = 1;
- } else {
+ }
+ else
+ {
cont = p;
len = plen;
p += plen;
- }
+ }
/* We now have content length and type: translate into a structure */
- if(!asn1_ex_c2i(pval, cont, len, utype, &free_cont, it)) goto err;
+ if (!asn1_ex_c2i(pval, cont, len, utype, &free_cont, it))
+ goto err;
*in = p;
ret = 1;
err:
- if(free_cont && buf.data) OPENSSL_free(buf.data);
+ if (free_cont && buf.data) OPENSSL_free(buf.data);
return ret;
-}
+ }
/* Translate ASN1 content octets into a structure */
-int asn1_ex_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len, int utype, char *free_cont, const ASN1_ITEM *it)
-{
+int asn1_ex_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len,
+ int utype, char *free_cont, const ASN1_ITEM *it)
+ {
ASN1_VALUE **opval = NULL;
ASN1_STRING *stmp;
ASN1_TYPE *typ = NULL;
const ASN1_PRIMITIVE_FUNCS *pf;
ASN1_INTEGER **tint;
pf = it->funcs;
- if(pf && pf->prim_c2i) return pf->prim_c2i(pval, cont, len, utype, free_cont, it);
+
+ if (pf && pf->prim_c2i)
+ return pf->prim_c2i(pval, cont, len, utype, free_cont, it);
/* If ANY type clear type and set pointer to internal value */
- if(it->utype == V_ASN1_ANY) {
- if(!*pval) {
+ if (it->utype == V_ASN1_ANY)
+ {
+ if (!*pval)
+ {
typ = ASN1_TYPE_new();
*pval = (ASN1_VALUE *)typ;
- } else typ = (ASN1_TYPE *)*pval;
- if(utype != typ->type) ASN1_TYPE_set(typ, utype, NULL);
+ }
+ else
+ typ = (ASN1_TYPE *)*pval;
+
+ if (utype != typ->type)
+ ASN1_TYPE_set(typ, utype, NULL);
opval = pval;
pval = (ASN1_VALUE **)&typ->value.ptr;
- }
- switch(utype) {
+ }
+ switch(utype)
+ {
case V_ASN1_OBJECT:
- if(!c2i_ASN1_OBJECT((ASN1_OBJECT **)pval, &cont, len)) goto err;
+ if (!c2i_ASN1_OBJECT((ASN1_OBJECT **)pval, &cont, len))
+ goto err;
break;
case V_ASN1_NULL:
- if(len) {
- ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE, ASN1_R_NULL_IS_WRONG_LENGTH);
+ if (len)
+ {
+ ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE,
+ ASN1_R_NULL_IS_WRONG_LENGTH);
goto err;
- }
+ }
*pval = (ASN1_VALUE *)1;
break;
case V_ASN1_BOOLEAN:
- if(len != 1) {
- ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE, ASN1_R_BOOLEAN_IS_WRONG_LENGTH);
+ if (len != 1)
+ {
+ ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE,
+ ASN1_R_BOOLEAN_IS_WRONG_LENGTH);
goto err;
- } else {
+ }
+ else
+ {
ASN1_BOOLEAN *tbool;
tbool = (ASN1_BOOLEAN *)pval;
*tbool = *cont;
- }
+ }
break;
case V_ASN1_BIT_STRING:
- if(!c2i_ASN1_BIT_STRING((ASN1_BIT_STRING **)pval, &cont, len)) goto err;
+ if (!c2i_ASN1_BIT_STRING((ASN1_BIT_STRING **)pval, &cont, len))
+ goto err;
break;
case V_ASN1_INTEGER:
case V_ASN1_ENUMERATED:
case V_ASN1_NEG_ENUMERATED:
tint = (ASN1_INTEGER **)pval;
- if(!c2i_ASN1_INTEGER(tint, &cont, len)) goto err;
+ if (!c2i_ASN1_INTEGER(tint, &cont, len))
+ goto err;
/* Fixup type to match the expected form */
(*tint)->type = utype | ((*tint)->type & V_ASN1_NEG);
break;
case V_ASN1_SEQUENCE:
default:
/* All based on ASN1_STRING and handled the same */
- if(!*pval) {
+ if (!*pval)
+ {
stmp = ASN1_STRING_type_new(utype);
- if(!stmp) {
- ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE, ERR_R_MALLOC_FAILURE);
+ if (!stmp)
+ {
+ ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE,
+ ERR_R_MALLOC_FAILURE);
goto err;
- }
+ }
*pval = (ASN1_VALUE *)stmp;
- } else {
+ }
+ else
+ {
stmp = (ASN1_STRING *)*pval;
stmp->type = utype;
- }
+ }
/* If we've already allocated a buffer use it */
- if(*free_cont) {
- if(stmp->data) OPENSSL_free(stmp->data);
+ if (*free_cont)
+ {
+ if (stmp->data)
+ OPENSSL_free(stmp->data);
stmp->data = (unsigned char *)cont; /* UGLY CAST! RL */
stmp->length = len;
*free_cont = 0;
- } else {
- if(!ASN1_STRING_set(stmp, cont, len)) {
- ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE, ERR_R_MALLOC_FAILURE);
+ }
+ else
+ {
+ if (!ASN1_STRING_set(stmp, cont, len))
+ {
+ ASN1err(ASN1_F_ASN1_D2I_EX_PRIMITIVE,
+ ERR_R_MALLOC_FAILURE);
ASN1_STRING_free(stmp);
*pval = NULL;
goto err;
+ }
}
- }
break;
- }
+ }
/* If ASN1_ANY and NULL type fix up value */
- if(typ && utype==V_ASN1_NULL) typ->value.ptr = NULL;
+ if (typ && (utype == V_ASN1_NULL))
+ typ->value.ptr = NULL;
ret = 1;
err:
- if(!ret)
+ if (!ret)
{
ASN1_TYPE_free(typ);
if (opval)
*opval = NULL;
}
return ret;
-}
+ }
/* This function collects the asn1 data from a constructred string
* type into a buffer. The values of 'in' and 'len' should refer
* length constructed stuff.
*/
-static int asn1_collect(BUF_MEM *buf, const unsigned char **in, long len, char inf, int tag, int aclass)
-{
+static int asn1_collect(BUF_MEM *buf, const unsigned char **in, long len,
+ char inf, int tag, int aclass)
+ {
const unsigned char *p, *q;
long plen;
char cst, ininf;
p = *in;
inf &= 1;
- /* If no buffer and not indefinite length constructed just pass over the encoded data */
- if(!buf && !inf) {
+ /* If no buffer and not indefinite length constructed just pass over
+ * the encoded data */
+ if (!buf && !inf)
+ {
*in += len;
return 1;
- }
- while(len > 0) {
+ }
+ while(len > 0)
+ {
q = p;
/* Check for EOC */
- if(asn1_check_eoc(&p, len)) {
- /* EOC is illegal outside indefinite length constructed form */
- if(!inf) {
- ASN1err(ASN1_F_ASN1_COLLECT, ASN1_R_UNEXPECTED_EOC);
+ if (asn1_check_eoc(&p, len))
+ {
+ /* EOC is illegal outside indefinite length
+ * constructed form */
+ if (!inf)
+ {
+ ASN1err(ASN1_F_ASN1_COLLECT,
+ ASN1_R_UNEXPECTED_EOC);
return 0;
- }
+ }
inf = 0;
break;
- }
- if(!asn1_check_tlen(&plen, NULL, NULL, &ininf, &cst, &p, len, tag, aclass, 0, NULL)) {
+ }
+
+ if (!asn1_check_tlen(&plen, NULL, NULL, &ininf, &cst, &p,
+ len, tag, aclass, 0, NULL))
+ {
ASN1err(ASN1_F_ASN1_COLLECT, ERR_R_NESTED_ASN1_ERROR);
return 0;
- }
+ }
+
/* If indefinite length constructed update max length */
- if(cst) {
- if(!asn1_collect(buf, &p, plen, ininf, tag, aclass)) return 0;
- } else {
- if(!collect_data(buf, &p, plen)) return 0;
- }
+ if (cst)
+ {
+ if (!asn1_collect(buf, &p, plen, ininf, tag, aclass))
+ return 0;
+ }
+ else if (!collect_data(buf, &p, plen))
+ return 0;
len -= p - q;
- }
- if(inf) {
+ }
+ if (inf)
+ {
ASN1err(ASN1_F_ASN1_COLLECT, ASN1_R_MISSING_EOC);
return 0;
- }
+ }
*in = p;
return 1;
-}
+ }
static int collect_data(BUF_MEM *buf, const unsigned char **p, long plen)
-{
- int len;
- if(buf) {
- len = buf->length;
- if(!BUF_MEM_grow_clean(buf, len + plen)) {
- ASN1err(ASN1_F_COLLECT_DATA, ERR_R_MALLOC_FAILURE);
- return 0;
+ {
+ int len;
+ if (buf)
+ {
+ len = buf->length;
+ if (!BUF_MEM_grow_clean(buf, len + plen))
+ {
+ ASN1err(ASN1_F_COLLECT_DATA, ERR_R_MALLOC_FAILURE);
+ return 0;
}
- memcpy(buf->data + len, *p, plen);
+ memcpy(buf->data + len, *p, plen);
}
- *p += plen;
- return 1;
-}
+ *p += plen;
+ return 1;
+ }
/* Check for ASN1 EOC and swallow it if found */
static int asn1_check_eoc(const unsigned char **in, long len)
-{
+ {
const unsigned char *p;
- if(len < 2) return 0;
+ if (len < 2) return 0;
p = *in;
- if(!p[0] && !p[1]) {
+ if (!p[0] && !p[1])
+ {
*in += 2;
return 1;
- }
+ }
return 0;
-}
+ }
/* Check an ASN1 tag and length: a bit like ASN1_get_object
* but it sets the length for indefinite length constructed
* header length just read.
*/
-static int asn1_check_tlen(long *olen, int *otag, unsigned char *oclass, char *inf, char *cst,
- const unsigned char **in, long len, int exptag, int expclass, char opt, ASN1_TLC *ctx)
-{
+static int asn1_check_tlen(long *olen, int *otag, unsigned char *oclass,
+ char *inf, char *cst,
+ const unsigned char **in, long len,
+ int exptag, int expclass, char opt,
+ ASN1_TLC *ctx)
+ {
int i;
int ptag, pclass;
long plen;
p = *in;
q = p;
- if(ctx && ctx->valid) {
+ if (ctx && ctx->valid)
+ {
i = ctx->ret;
plen = ctx->plen;
pclass = ctx->pclass;
ptag = ctx->ptag;
p += ctx->hdrlen;
- } else {
+ }
+ else
+ {
i = ASN1_get_object(&p, &plen, &ptag, &pclass, len);
- if(ctx) {
+ if (ctx)
+ {
ctx->ret = i;
ctx->plen = plen;
ctx->pclass = pclass;
/* If definite length, and no error, length +
* header can't exceed total amount of data available.
*/
- if(!(i & 0x81) && ((plen + ctx->hdrlen) > len)) {
- ASN1err(ASN1_F_ASN1_CHECK_TLEN, ASN1_R_TOO_LONG);
+ if (!(i & 0x81) && ((plen + ctx->hdrlen) > len))
+ {
+ ASN1err(ASN1_F_ASN1_CHECK_TLEN,
+ ASN1_R_TOO_LONG);
asn1_tlc_clear(ctx);
return 0;
+ }
}
}
- }
- if(i & 0x80) {
+ if (i & 0x80)
+ {
ASN1err(ASN1_F_ASN1_CHECK_TLEN, ASN1_R_BAD_OBJECT_HEADER);
asn1_tlc_clear(ctx);
return 0;
- }
- if(exptag >= 0) {
- if((exptag != ptag) || (expclass != pclass)) {
- /* If type is OPTIONAL, not an error, but indicate missing
- * type.
+ }
+ if (exptag >= 0)
+ {
+ if ((exptag != ptag) || (expclass != pclass))
+ {
+ /* If type is OPTIONAL, not an error:
+ * indicate missing type.
*/
- if(opt) return -1;
+ if (opt) return -1;
asn1_tlc_clear(ctx);
ASN1err(ASN1_F_ASN1_CHECK_TLEN, ASN1_R_WRONG_TAG);
return 0;
- }
- /* We have a tag and class match, so assume we are going to do something with it */
+ }
+ /* We have a tag and class match:
+ * assume we are going to do something with it */
asn1_tlc_clear(ctx);
- }
+ }
- if(i & 1) plen = len - (p - q);
+ if (i & 1)
+ plen = len - (p - q);
- if(inf) *inf = i & 1;
+ if (inf)
+ *inf = i & 1;
- if(cst) *cst = i & V_ASN1_CONSTRUCTED;
+ if (cst)
+ *cst = i & V_ASN1_CONSTRUCTED;
- if(olen) *olen = plen;
- if(oclass) *oclass = pclass;
- if(otag) *otag = ptag;
+ if (olen)
+ *olen = plen;
+
+ if (oclass)
+ *oclass = pclass;
+
+ if (otag)
+ *otag = ptag;
*in = p;
return 1;
-}
+ }
* project 2000.
*/
/* ====================================================================
- * Copyright (c) 2000-2002 The OpenSSL Project. All rights reserved.
+ * Copyright (c) 2000-2004 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* to use indefinite length constructed encoding, where appropriate
*/
-int ASN1_item_ndef_i2d(ASN1_VALUE *val, unsigned char **out, const ASN1_ITEM *it)
-{
+int ASN1_item_ndef_i2d(ASN1_VALUE *val, unsigned char **out,
+ const ASN1_ITEM *it)
+ {
return asn1_item_flags_i2d(val, out, it, ASN1_TFLG_NDEF);
-}
+ }
int ASN1_item_i2d(ASN1_VALUE *val, unsigned char **out, const ASN1_ITEM *it)
-{
+ {
return asn1_item_flags_i2d(val, out, it, 0);
-}
+ }
/* Encode an ASN1 item, this is use by the
* standard 'i2d' function. 'out' points to
* allocated and populated with the encoding.
*/
-static int asn1_item_flags_i2d(ASN1_VALUE *val, unsigned char **out, const ASN1_ITEM *it, int flags)
-{
- if(out && !*out) {
+static int asn1_item_flags_i2d(ASN1_VALUE *val, unsigned char **out,
+ const ASN1_ITEM *it, int flags)
+ {
+ if (out && !*out)
+ {
unsigned char *p, *buf;
int len;
len = ASN1_item_ex_i2d(&val, NULL, it, -1, flags);
- if(len <= 0) return len;
+ if (len <= 0)
+ return len;
buf = OPENSSL_malloc(len);
- if(!buf) return -1;
+ if (!buf)
+ return -1;
p = buf;
ASN1_item_ex_i2d(&val, &p, it, -1, flags);
*out = buf;
return len;
- }
+ }
return ASN1_item_ex_i2d(&val, out, it, -1, flags);
-}
+ }
/* Encode an item, taking care of IMPLICIT tagging (if any).
* This function performs the normal item handling: it can be
int ASN1_item_ex_i2d(ASN1_VALUE **pval, unsigned char **out,
const ASN1_ITEM *it, int tag, int aclass)
-{
+ {
const ASN1_TEMPLATE *tt = NULL;
unsigned char *p = NULL;
int i, seqcontlen, seqlen, ndef = 1;
const ASN1_AUX *aux = it->funcs;
ASN1_aux_cb *asn1_cb = 0;
- if((it->itype != ASN1_ITYPE_PRIMITIVE) && !*pval)
+ if ((it->itype != ASN1_ITYPE_PRIMITIVE) && !*pval)
return 0;
- if(aux && aux->asn1_cb)
+ if (aux && aux->asn1_cb)
asn1_cb = aux->asn1_cb;
- switch(it->itype) {
+ switch(it->itype)
+ {
case ASN1_ITYPE_PRIMITIVE:
- if(it->templates)
+ if (it->templates)
return asn1_template_ex_i2d(pval, out, it->templates,
tag, aclass);
return asn1_i2d_ex_primitive(pval, out, it, tag, aclass);
return asn1_i2d_ex_primitive(pval, out, it, -1, aclass);
case ASN1_ITYPE_CHOICE:
- if(asn1_cb && !asn1_cb(ASN1_OP_I2D_PRE, pval, it))
+ if (asn1_cb && !asn1_cb(ASN1_OP_I2D_PRE, pval, it))
return 0;
i = asn1_get_choice_selector(pval, it);
- if((i >= 0) && (i < it->tcount)) {
+ if ((i >= 0) && (i < it->tcount))
+ {
ASN1_VALUE **pchval;
const ASN1_TEMPLATE *chtt;
chtt = it->templates + i;
pchval = asn1_get_field_ptr(pval, chtt);
return asn1_template_ex_i2d(pchval, out, chtt,
-1, aclass);
- }
+ }
/* Fixme: error condition if selector out of range */
- if(asn1_cb && !asn1_cb(ASN1_OP_I2D_POST, pval, it))
+ if (asn1_cb && !asn1_cb(ASN1_OP_I2D_POST, pval, it))
return 0;
break;
case ASN1_ITYPE_COMPAT:
/* old style hackery... */
cf = it->funcs;
- if(out) p = *out;
+ if (out)
+ p = *out;
i = cf->asn1_i2d(*pval, out);
/* Fixup for IMPLICIT tag: note this messes up for tags > 30,
* but so did the old code. Tags > 30 are very rare anyway.
*/
- if(out && (tag != -1))
+ if (out && (tag != -1))
*p = aclass | tag | (*p & V_ASN1_CONSTRUCTED);
return i;
case ASN1_ITYPE_SEQUENCE:
i = asn1_enc_restore(&seqcontlen, out, pval, it);
/* An error occurred */
- if(i < 0) return 0;
+ if (i < 0)
+ return 0;
/* We have a valid cached encoding... */
- if(i > 0) return seqcontlen;
+ if (i > 0)
+ return seqcontlen;
/* Otherwise carry on */
seqcontlen = 0;
/* If no IMPLICIT tagging set to SEQUENCE, UNIVERSAL */
- if(tag == -1) {
+ if (tag == -1)
+ {
tag = V_ASN1_SEQUENCE;
/* Retain any other flags in aclass */
aclass = (aclass & ~ASN1_TFLG_TAG_CLASS)
| V_ASN1_UNIVERSAL;
- }
- if(asn1_cb && !asn1_cb(ASN1_OP_I2D_PRE, pval, it))
+ }
+ if (asn1_cb && !asn1_cb(ASN1_OP_I2D_PRE, pval, it))
return 0;
/* First work out sequence content length */
- for(i = 0, tt = it->templates; i < it->tcount; tt++, i++) {
+ for(i = 0, tt = it->templates; i < it->tcount; tt++, i++)
+ {
const ASN1_TEMPLATE *seqtt;
ASN1_VALUE **pseqval;
seqtt = asn1_do_adb(pval, tt, 1);
- if(!seqtt) return 0;
+ if (!seqtt)
+ return 0;
pseqval = asn1_get_field_ptr(pval, seqtt);
/* FIXME: check for errors in enhanced version */
seqcontlen += asn1_template_ex_i2d(pseqval, NULL, seqtt,
-1, aclass);
- }
+ }
+
seqlen = ASN1_object_size(ndef, seqcontlen, tag);
- if(!out) return seqlen;
+ if (!out)
+ return seqlen;
/* Output SEQUENCE header */
ASN1_put_object(out, ndef, seqcontlen, tag, aclass);
- for(i = 0, tt = it->templates; i < it->tcount; tt++, i++) {
+ for(i = 0, tt = it->templates; i < it->tcount; tt++, i++)
+ {
const ASN1_TEMPLATE *seqtt;
ASN1_VALUE **pseqval;
seqtt = asn1_do_adb(pval, tt, 1);
- if(!seqtt) return 0;
+ if (!seqtt)
+ return 0;
pseqval = asn1_get_field_ptr(pval, seqtt);
/* FIXME: check for errors in enhanced version */
asn1_template_ex_i2d(pseqval, out, seqtt, -1, aclass);
- }
- if (ndef == 2) ASN1_put_eoc(out);
- if(asn1_cb && !asn1_cb(ASN1_OP_I2D_POST, pval, it))
+ }
+ if (ndef == 2)
+ ASN1_put_eoc(out);
+ if (asn1_cb && !asn1_cb(ASN1_OP_I2D_POST, pval, it))
return 0;
return seqlen;
default:
return 0;
- }
+
+ }
return 0;
-}
+ }
-int ASN1_template_i2d(ASN1_VALUE **pval, unsigned char **out, const ASN1_TEMPLATE *tt)
+int ASN1_template_i2d(ASN1_VALUE **pval, unsigned char **out,
+ const ASN1_TEMPLATE *tt)
{
return asn1_template_ex_i2d(pval, out, tt, -1, 0);
}
-static int asn1_template_ex_i2d(ASN1_VALUE **pval, unsigned char **out, const ASN1_TEMPLATE *tt, int tag, int iclass)
-{
+static int asn1_template_ex_i2d(ASN1_VALUE **pval, unsigned char **out,
+ const ASN1_TEMPLATE *tt, int tag, int iclass)
+ {
int i, ret, flags, ttag, tclass, ndef;
flags = tt->flags;
/* Work out tag and class to use: tagging may come
ndef = 2;
else ndef = 1;
- if(flags & ASN1_TFLG_SK_MASK) {
+ if (flags & ASN1_TFLG_SK_MASK)
+ {
/* SET OF, SEQUENCE OF */
STACK_OF(ASN1_VALUE) *sk = (STACK_OF(ASN1_VALUE) *)*pval;
int isset, sktag, skaclass;
int skcontlen, sklen;
ASN1_VALUE *skitem;
- if(!*pval) return 0;
+ if (!*pval)
+ return 0;
- if(flags & ASN1_TFLG_SET_OF) {
+ if (flags & ASN1_TFLG_SET_OF)
+ {
isset = 1;
/* 2 means we reorder */
- if(flags & ASN1_TFLG_SEQUENCE_OF) isset = 2;
- } else isset = 0;
+ if (flags & ASN1_TFLG_SEQUENCE_OF)
+ isset = 2;
+ }
+ else isset = 0;
/* Work out inner tag value: if EXPLICIT
* or no tagging use underlying type.
*/
- if((ttag != -1) && !(flags & ASN1_TFLG_EXPTAG)) {
+ if ((ttag != -1) && !(flags & ASN1_TFLG_EXPTAG))
+ {
sktag = ttag;
skaclass = tclass;
- } else {
+ }
+ else
+ {
skaclass = V_ASN1_UNIVERSAL;
- if(isset) sktag = V_ASN1_SET;
+ if (isset)
+ sktag = V_ASN1_SET;
else sktag = V_ASN1_SEQUENCE;
- }
+ }
/* Determine total length of items */
skcontlen = 0;
- for(i = 0; i < sk_ASN1_VALUE_num(sk); i++) {
+ for(i = 0; i < sk_ASN1_VALUE_num(sk); i++)
+ {
skitem = sk_ASN1_VALUE_value(sk, i);
skcontlen += ASN1_item_ex_i2d(&skitem, NULL,
- ASN1_ITEM_ptr(tt->item),
+ ASN1_ITEM_ptr(tt->item),
-1, iclass);
- }
+ }
sklen = ASN1_object_size(ndef, skcontlen, sktag);
/* If EXPLICIT need length of surrounding tag */
- if(flags & ASN1_TFLG_EXPTAG)
+ if (flags & ASN1_TFLG_EXPTAG)
ret = ASN1_object_size(ndef, sklen, ttag);
else ret = sklen;
- if(!out) return ret;
+ if (!out)
+ return ret;
/* Now encode this lot... */
/* EXPLICIT tag */
- if(flags & ASN1_TFLG_EXPTAG)
+ if (flags & ASN1_TFLG_EXPTAG)
ASN1_put_object(out, ndef, sklen, ttag, tclass);
/* SET or SEQUENCE and IMPLICIT tag */
ASN1_put_object(out, ndef, skcontlen, sktag, skaclass);
/* And the stuff itself */
asn1_set_seq_out(sk, out, skcontlen, ASN1_ITEM_ptr(tt->item),
isset, iclass);
- if (ndef == 2) {
+ if (ndef == 2)
+ {
ASN1_put_eoc(out);
- if(flags & ASN1_TFLG_EXPTAG)
+ if (flags & ASN1_TFLG_EXPTAG)
ASN1_put_eoc(out);
- }
+ }
return ret;
- }
+ }
- if(flags & ASN1_TFLG_EXPTAG) {
+ if (flags & ASN1_TFLG_EXPTAG)
+ {
/* EXPLICIT tagging */
/* Find length of tagged item */
i = ASN1_item_ex_i2d(pval, NULL, ASN1_ITEM_ptr(tt->item),
-1, iclass);
- if(!i) return 0;
+ if (!i)
+ return 0;
/* Find length of EXPLICIT tag */
ret = ASN1_object_size(ndef, i, ttag);
- if(out) {
+ if (out)
+ {
/* Output tag and item */
ASN1_put_object(out, ndef, i, ttag, tclass);
ASN1_item_ex_i2d(pval, out, ASN1_ITEM_ptr(tt->item),
-1, iclass);
- if (ndef == 2) ASN1_put_eoc(out);
- }
+ if (ndef == 2)
+ ASN1_put_eoc(out);
+ }
return ret;
- }
+ }
/* Either normal or IMPLICIT tagging: combine class and flags */
return ASN1_item_ex_i2d(pval, out, ASN1_ITEM_ptr(tt->item),
} DER_ENC;
static int der_cmp(const void *a, const void *b)
-{
+ {
const DER_ENC *d1 = a, *d2 = b;
int cmplen, i;
cmplen = (d1->length < d2->length) ? d1->length : d2->length;
i = memcmp(d1->data, d2->data, cmplen);
- if(i) return i;
+ if (i)
+ return i;
return d1->length - d2->length;
-}
+ }
/* Output the content octets of SET OF or SEQUENCE OF */
static int asn1_set_seq_out(STACK_OF(ASN1_VALUE) *sk, unsigned char **out,
int skcontlen, const ASN1_ITEM *item,
int do_sort, int iclass)
-{
+ {
int i;
ASN1_VALUE *skitem;
unsigned char *tmpdat = NULL, *p = NULL;
DER_ENC *derlst = NULL, *tder;
- if(do_sort) {
+ if (do_sort)
+ {
/* Don't need to sort less than 2 items */
- if(sk_ASN1_VALUE_num(sk) < 2) do_sort = 0;
- else {
- derlst = OPENSSL_malloc(sk_ASN1_VALUE_num(sk) * sizeof(*derlst));
+ if (sk_ASN1_VALUE_num(sk) < 2)
+ do_sort = 0;
+ else
+ {
+ derlst = OPENSSL_malloc(sk_ASN1_VALUE_num(sk)
+ * sizeof(*derlst));
tmpdat = OPENSSL_malloc(skcontlen);
- if(!derlst || !tmpdat) return 0;
+ if (!derlst || !tmpdat)
+ return 0;
+ }
}
- }
/* If not sorting just output each item */
- if(!do_sort) {
- for(i = 0; i < sk_ASN1_VALUE_num(sk); i++) {
+ if (!do_sort)
+ {
+ for(i = 0; i < sk_ASN1_VALUE_num(sk); i++)
+ {
skitem = sk_ASN1_VALUE_value(sk, i);
ASN1_item_ex_i2d(&skitem, out, item, -1, iclass);
- }
+ }
return 1;
- }
+ }
p = tmpdat;
+
/* Doing sort: build up a list of each member's DER encoding */
- for(i = 0, tder = derlst; i < sk_ASN1_VALUE_num(sk); i++, tder++) {
+ for(i = 0, tder = derlst; i < sk_ASN1_VALUE_num(sk); i++, tder++)
+ {
skitem = sk_ASN1_VALUE_value(sk, i);
tder->data = p;
tder->length = ASN1_item_ex_i2d(&skitem, &p, item, -1, iclass);
tder->field = skitem;
- }
+ }
+
/* Now sort them */
qsort(derlst, sk_ASN1_VALUE_num(sk), sizeof(*derlst), der_cmp);
/* Output sorted DER encoding */
p = *out;
- for(i = 0, tder = derlst; i < sk_ASN1_VALUE_num(sk); i++, tder++) {
+ for(i = 0, tder = derlst; i < sk_ASN1_VALUE_num(sk); i++, tder++)
+ {
memcpy(p, tder->data, tder->length);
p += tder->length;
- }
+ }
*out = p;
/* If do_sort is 2 then reorder the STACK */
- if(do_sort == 2) {
- for(i = 0, tder = derlst; i < sk_ASN1_VALUE_num(sk); i++, tder++)
+ if (do_sort == 2)
+ {
+ for(i = 0, tder = derlst; i < sk_ASN1_VALUE_num(sk);
+ i++, tder++)
sk_ASN1_VALUE_set(sk, i, tder->field);
- }
+ }
OPENSSL_free(derlst);
OPENSSL_free(tmpdat);
return 1;
-}
+ }
-static int asn1_i2d_ex_primitive(ASN1_VALUE **pval, unsigned char **out, const ASN1_ITEM *it, int tag, int aclass)
-{
+static int asn1_i2d_ex_primitive(ASN1_VALUE **pval, unsigned char **out,
+ const ASN1_ITEM *it, int tag, int aclass)
+ {
int len;
int utype;
int usetag;
* because the call to asn1_ex_i2c() could change
* utype.
*/
- if((utype == V_ASN1_SEQUENCE) || (utype == V_ASN1_SET) ||
+ if ((utype == V_ASN1_SEQUENCE) || (utype == V_ASN1_SET) ||
(utype == V_ASN1_OTHER))
usetag = 0;
else usetag = 1;
/* -1 means omit type */
- if(len == -1)
+ if (len == -1)
return 0;
/* -2 return is special meaning use ndef */
}
/* If not implicitly tagged get tag from underlying type */
- if(tag == -1) tag = utype;
+ if (tag == -1) tag = utype;
/* Output tag+length followed by content octets */
- if(out) {
- if(usetag) ASN1_put_object(out, ndef, len, tag, aclass);
+ if (out)
+ {
+ if (usetag)
+ ASN1_put_object(out, ndef, len, tag, aclass);
asn1_ex_i2c(pval, *out, &utype, it);
if (ndef)
ASN1_put_eoc(out);
else
*out += len;
- }
+ }
- if(usetag) return ASN1_object_size(ndef, len, tag);
+ if (usetag)
+ return ASN1_object_size(ndef, len, tag);
return len;
-}
+ }
/* Produce content octets from a structure */
-int asn1_ex_i2c(ASN1_VALUE **pval, unsigned char *cout, int *putype, const ASN1_ITEM *it)
-{
+int asn1_ex_i2c(ASN1_VALUE **pval, unsigned char *cout, int *putype,
+ const ASN1_ITEM *it)
+ {
ASN1_BOOLEAN *tbool = NULL;
ASN1_STRING *strtmp;
ASN1_OBJECT *otmp;
int len;
const ASN1_PRIMITIVE_FUNCS *pf;
pf = it->funcs;
- if(pf && pf->prim_i2c) return pf->prim_i2c(pval, cout, putype, it);
+ if (pf && pf->prim_i2c)
+ return pf->prim_i2c(pval, cout, putype, it);
/* Should type be omitted? */
- if((it->itype != ASN1_ITYPE_PRIMITIVE) || (it->utype != V_ASN1_BOOLEAN)) {
- if(!*pval) return -1;
- }
+ if ((it->itype != ASN1_ITYPE_PRIMITIVE)
+ || (it->utype != V_ASN1_BOOLEAN))
+ {
+ if (!*pval) return -1;
+ }
- if(it->itype == ASN1_ITYPE_MSTRING) {
+ if (it->itype == ASN1_ITYPE_MSTRING)
+ {
/* If MSTRING type set the underlying type */
strtmp = (ASN1_STRING *)*pval;
utype = strtmp->type;
*putype = utype;
- } else if(it->utype == V_ASN1_ANY) {
+ }
+ else if (it->utype == V_ASN1_ANY)
+ {
/* If ANY set type and pointer to value */
ASN1_TYPE *typ;
typ = (ASN1_TYPE *)*pval;
utype = typ->type;
*putype = utype;
pval = (ASN1_VALUE **)&typ->value.ptr;
- } else utype = *putype;
+ }
+ else utype = *putype;
- switch(utype) {
+ switch(utype)
+ {
case V_ASN1_OBJECT:
otmp = (ASN1_OBJECT *)*pval;
cont = otmp->data;
case V_ASN1_BOOLEAN:
tbool = (ASN1_BOOLEAN *)pval;
- if(*tbool == -1) return -1;
+ if (*tbool == -1)
+ return -1;
/* Default handling if value == size field then omit */
- if(*tbool && (it->size > 0)) return -1;
- if(!*tbool && !it->size) return -1;
+ if (*tbool && (it->size > 0))
+ return -1;
+ if (!*tbool && !it->size)
+ return -1;
c = (unsigned char)*tbool;
cont = &c;
len = 1;
break;
case V_ASN1_BIT_STRING:
- return i2c_ASN1_BIT_STRING((ASN1_BIT_STRING *)*pval, cout ? &cout : NULL);
+ return i2c_ASN1_BIT_STRING((ASN1_BIT_STRING *)*pval,
+ cout ? &cout : NULL);
break;
case V_ASN1_INTEGER:
/* These are all have the same content format
* as ASN1_INTEGER
*/
- return i2c_ASN1_INTEGER((ASN1_INTEGER *)*pval, cout ? &cout : NULL);
+ return i2c_ASN1_INTEGER((ASN1_INTEGER *)*pval,
+ cout ? &cout : NULL);
break;
case V_ASN1_OCTET_STRING:
break;
- }
- if(cout && len) memcpy(cout, cont, len);
+ }
+ if (cout && len)
+ memcpy(cout, cont, len);
return len;
-}
+ }