/*
* DER to Ruby converters
*/
static VALUE
decode_bool(unsigned char* der, int length)
{
int val;
const unsigned char *p;
p = der;
if((val = d2i_ASN1_BOOLEAN(NULL, &p, length)) < 0)
ossl_raise(eASN1Error, NULL);
return val ? Qtrue : Qfalse;
}
X509_EXTENSION *d2i_X509_EXTENSION(X509_EXTENSION **a, unsigned char **pp,
long length)
{
int i;
M_ASN1_D2I_vars(a,X509_EXTENSION *,X509_EXTENSION_new);
M_ASN1_D2I_Init();
M_ASN1_D2I_start_sequence();
M_ASN1_D2I_get(ret->object,d2i_ASN1_OBJECT);
ret->netscape_hack=0;
if ((c.slen != 0) &&
(M_ASN1_next == (V_ASN1_UNIVERSAL|V_ASN1_BOOLEAN)))
{
c.q=c.p;
if (d2i_ASN1_BOOLEAN(&i,&c.p,c.slen) < 0) goto err;
ret->critical=i;
c.slen-=(c.p-c.q);
if (ret->critical == 0) ret->netscape_hack=1;
}
M_ASN1_D2I_get(ret->value,d2i_ASN1_OCTET_STRING);
M_ASN1_D2I_Finish(a,X509_EXTENSION_free,ASN1_F_D2I_X509_EXTENSION);
}
static int asn1_parse2(BIO *bp, const unsigned char **pp, long length,
int offset, int depth, int indent, int dump)
{
const unsigned char *p, *ep, *tot, *op, *opp;
long len;
int tag, xclass, ret = 0;
int nl, hl, j, r;
ASN1_OBJECT *o = NULL;
ASN1_OCTET_STRING *os = NULL;
/* ASN1_BMPSTRING *bmp=NULL; */
int dump_indent;
#if 0
dump_indent = indent;
#else
dump_indent = 6; /* Because we know BIO_dump_indent() */
#endif
if (depth > ASN1_PARSE_MAXDEPTH) {
BIO_puts(bp, "BAD RECURSION DEPTH\n");
return 0;
}
p = *pp;
tot = p + length;
op = p - 1;
while ((p < tot) && (op < p)) {
op = p;
j = ASN1_get_object(&p, &len, &tag, &xclass, length);
#ifdef LINT
j = j;
#endif
if (j & 0x80) {
if (BIO_puts(bp, "Error in encoding\n") <= 0)
goto end;
ret = 0;
goto end;
}
hl = (p - op);
length -= hl;
/*
* if j == 0x21 it is a constructed indefinite length object
*/
if (BIO_printf(bp, "%5ld:", (long)offset + (long)(op - *pp))
<= 0)
goto end;
if (j != (V_ASN1_CONSTRUCTED | 1)) {
if (BIO_printf(bp, "d=%-2d hl=%ld l=%4ld ",
depth, (long)hl, len) <= 0)
goto end;
} else {
if (BIO_printf(bp, "d=%-2d hl=%ld l=inf ", depth, (long)hl) <= 0)
goto end;
}
if (!asn1_print_info(bp, tag, xclass, j, (indent) ? depth : 0))
goto end;
if (j & V_ASN1_CONSTRUCTED) {
ep = p + len;
if (BIO_puts(bp, "\n") <= 0)
goto end;
if (len > length) {
BIO_printf(bp, "length is greater than %ld\n", length);
ret = 0;
goto end;
}
if ((j == 0x21) && (len == 0)) {
for (;;) {
r = asn1_parse2(bp, &p, (long)(tot - p),
offset + (p - *pp), depth + 1,
indent, dump);
if (r == 0) {
ret = 0;
goto end;
}
if ((r == 2) || (p >= tot))
break;
}
} else
while (p < ep) {
r = asn1_parse2(bp, &p, (long)len,
offset + (p - *pp), depth + 1,
indent, dump);
if (r == 0) {
ret = 0;
goto end;
}
}
} else if (xclass != 0) {
p += len;
if (BIO_puts(bp, "\n") <= 0)
goto end;
} else {
nl = 0;
if ((tag == V_ASN1_PRINTABLESTRING) ||
(tag == V_ASN1_T61STRING) ||
(tag == V_ASN1_IA5STRING) ||
(tag == V_ASN1_VISIBLESTRING) ||
(tag == V_ASN1_NUMERICSTRING) ||
(tag == V_ASN1_UTF8STRING) ||
(tag == V_ASN1_UTCTIME) || (tag == V_ASN1_GENERALIZEDTIME)) {
if (BIO_puts(bp, ":") <= 0)
goto end;
if ((len > 0) && BIO_write(bp, (const char *)p, (int)len)
!= (int)len)
goto end;
} else if (tag == V_ASN1_OBJECT) {
opp = op;
if (d2i_ASN1_OBJECT(&o, &opp, len + hl) != NULL) {
if (BIO_puts(bp, ":") <= 0)
goto end;
i2a_ASN1_OBJECT(bp, o);
} else {
if (BIO_puts(bp, ":BAD OBJECT") <= 0)
goto end;
}
} else if (tag == V_ASN1_BOOLEAN) {
int ii;
opp = op;
ii = d2i_ASN1_BOOLEAN(NULL, &opp, len + hl);
if (ii < 0) {
if (BIO_puts(bp, "Bad boolean\n") <= 0)
goto end;
}
BIO_printf(bp, ":%d", ii);
} else if (tag == V_ASN1_BMPSTRING) {
/* do the BMP thang */
} else if (tag == V_ASN1_OCTET_STRING) {
int i, printable = 1;
opp = op;
os = d2i_ASN1_OCTET_STRING(NULL, &opp, len + hl);
if (os != NULL && os->length > 0) {
opp = os->data;
/*
* testing whether the octet string is printable
*/
for (i = 0; i < os->length; i++) {
if (((opp[i] < ' ') &&
(opp[i] != '\n') &&
(opp[i] != '\r') &&
(opp[i] != '\t')) || (opp[i] > '~')) {
printable = 0;
break;
}
}
if (printable)
/* printable string */
{
if (BIO_puts(bp, ":") <= 0)
goto end;
if (BIO_write(bp, (const char *)opp, os->length) <= 0)
goto end;
} else if (!dump)
/*
* not printable => print octet string as hex dump
*/
{
if (BIO_puts(bp, "[HEX DUMP]:") <= 0)
goto end;
for (i = 0; i < os->length; i++) {
if (BIO_printf(bp, "%02X", opp[i]) <= 0)
goto end;
}
} else
/* print the normal dump */
{
if (!nl) {
if (BIO_puts(bp, "\n") <= 0)
goto end;
}
if (!BIO_hexdump(bp, opp,
((dump == -1 || dump >
os->length) ? os->length : dump),
dump_indent))
goto end;
nl = 1;
}
}
if (os != NULL) {
M_ASN1_OCTET_STRING_free(os);
os = NULL;
}
} else if (tag == V_ASN1_INTEGER) {
ASN1_INTEGER *bs;
int i;
opp = op;
bs = d2i_ASN1_INTEGER(NULL, &opp, len + hl);
if (bs != NULL) {
if (BIO_puts(bp, ":") <= 0)
goto end;
if (bs->type == V_ASN1_NEG_INTEGER)
if (BIO_puts(bp, "-") <= 0)
goto end;
for (i = 0; i < bs->length; i++) {
if (BIO_printf(bp, "%02X", bs->data[i]) <= 0)
goto end;
}
if (bs->length == 0) {
if (BIO_puts(bp, "00") <= 0)
goto end;
}
} else {
if (BIO_puts(bp, "BAD INTEGER") <= 0)
goto end;
}
M_ASN1_INTEGER_free(bs);
} else if (tag == V_ASN1_ENUMERATED) {
ASN1_ENUMERATED *bs;
int i;
opp = op;
bs = d2i_ASN1_ENUMERATED(NULL, &opp, len + hl);
if (bs != NULL) {
if (BIO_puts(bp, ":") <= 0)
goto end;
if (bs->type == V_ASN1_NEG_ENUMERATED)
if (BIO_puts(bp, "-") <= 0)
goto end;
for (i = 0; i < bs->length; i++) {
if (BIO_printf(bp, "%02X", bs->data[i]) <= 0)
goto end;
}
if (bs->length == 0) {
if (BIO_puts(bp, "00") <= 0)
goto end;
}
} else {
if (BIO_puts(bp, "BAD ENUMERATED") <= 0)
goto end;
}
M_ASN1_ENUMERATED_free(bs);
} else if (len > 0 && dump) {
if (!nl) {
if (BIO_puts(bp, "\n") <= 0)
goto end;
}
if (!BIO_hexdump(bp, p,
((dump == -1 || dump > len) ? len : dump),
dump_indent))
goto end;
nl = 1;
}
if (!nl) {
if (BIO_puts(bp, "\n") <= 0)
goto end;
}
p += len;
if ((tag == V_ASN1_EOC) && (xclass == 0)) {
ret = 2; /* End of sequence */
goto end;
}
}
length -= len;
}
ret = 1;
end:
if (o != NULL)
ASN1_OBJECT_free(o);
if (os != NULL)
M_ASN1_OCTET_STRING_free(os);
*pp = p;
return (ret);
}
