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Print subject alt name in x509_crt_info()

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This commit is contained in:
Manuel Pégourié-Gonnard
2014-04-01 13:43:28 +02:00
parent 919f8f5829
commit bce2b30855
2 changed files with 50 additions and 10 deletions
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54
library/x509_crt.c
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@@ -341,20 +341,15 @@ static int x509_get_subject_alt_name( unsigned char **p,
return( POLARSSL_ERR_X509_INVALID_EXTENSIONS +
POLARSSL_ERR_ASN1_UNEXPECTED_TAG );
/* Skip everything but DNS name */
if( tag != ( ASN1_CONTEXT_SPECIFIC | 2 ) )
{
*p += tag_len;
continue;
}
buf = &(cur->buf);
buf->tag = tag;
buf->p = *p;
buf->len = tag_len;
*p += buf->len;
/* Allocate and assign next pointer */
if (*p < end)
if( cur->buf.p != NULL )
{
cur->next = (asn1_sequence *) polarssl_malloc(
sizeof( asn1_sequence ) );
@@ -366,6 +361,12 @@ static int x509_get_subject_alt_name( unsigned char **p,
memset( cur->next, 0, sizeof( asn1_sequence ) );
cur = cur->next;
}
buf = &(cur->buf);
buf->tag = tag;
buf->p = *p;
buf->len = tag_len;
*p += buf->len;
}
/* Set final sequence entry's next pointer to NULL */
@@ -1099,6 +1100,38 @@ static int compat_snprintf(char *str, size_t size, const char *format, ...)
p += (unsigned int) ret; \
}
static int x509_info_subject_alt_name( char **buf, size_t *size,
const x509_sequence *subject_alt_name )
{
size_t i;
size_t n = *size;
char *p = *buf;
const x509_sequence *cur = subject_alt_name;
while( cur != NULL )
{
if( cur->buf.len + 1 >= n )
{
*p = '\0';
return( POLARSSL_ERR_DEBUG_BUF_TOO_SMALL );
}
n -= cur->buf.len + 1;
*p++ = ' ';
for( i = 0; i < cur->buf.len; i++ )
*p++ = cur->buf.p[i];
cur = cur->next;
}
*p = '\0';
*size = n;
*buf = p;
return( 0 );
}
static int x509_info_cert_type( char **buf, size_t *size,
unsigned char ns_cert_type )
{
@@ -1244,9 +1277,12 @@ int x509_crt_info( char *buf, size_t size, const char *prefix,
if( crt->ext_types & EXT_SUBJECT_ALT_NAME )
{
ret = snprintf( p, n, "\n%ssubject alt name : ", prefix );
ret = snprintf( p, n, "\n%ssubject alt name :", prefix );
SAFE_SNPRINTF();
/* TODO */
if( ( ret = x509_info_subject_alt_name( &p, &n,
&crt->subject_alt_names ) ) != 0 )
return( ret );
}
if( crt->ext_types & EXT_NS_CERT_TYPE )