diff options
Diffstat (limited to 'crypto/x509/x509_req.c')
| -rw-r--r-- | crypto/x509/x509_req.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/crypto/x509/x509_req.c b/crypto/x509/x509_req.c index 2ef94de..6544f03 100644 --- a/crypto/x509/x509_req.c +++ b/crypto/x509/x509_req.c @@ -113,3 +113,59 @@ EVP_PKEY *X509_REQ_get_pubkey(X509_REQ *req) return(X509_PUBKEY_get(req->req_info->pubkey)); } +/* It seems several organisations had the same idea of including a list of + * extensions in a certificate request. There are at least two OIDs that are + * used and there may be more: so the list is configurable. + */ + +static int ext_nid_list[] = { NID_ms_ext_req, NID_ext_req, NID_undef}; + +static int *ext_nids = ext_nid_list; + +int X509_REQ_extension_nid(int req_nid) +{ + int i, nid; + for(i = 0; ; i++) { + nid = ext_nids[i]; + if(nid == NID_undef) return 0; + else if (req_nid == nid) return 1; + } +} + +int *X509_REQ_get_extesion_nids(void) +{ + return ext_nids; +} + +void X509_REQ_set_extension_nids(int *nids) +{ + ext_nids = nids; +} + +STACK_OF(X509_EXTENSION) *X509_REQ_get_extensions(X509_REQ *req) +{ + X509_ATTRIBUTE *attr; + STACK_OF(X509_ATTRIBUTE) *sk; + ASN1_TYPE *ext = NULL; + int i; + unsigned char *p; + if ((req == NULL) || (req->req_info == NULL)) + return(NULL); + sk=req->req_info->attributes; + if (!sk) return NULL; + for(i = 0; i < sk_X509_ATTRIBUTE_num(sk); i++) { + attr = sk_X509_ATTRIBUTE_value(sk, i); + if(X509_REQ_extension_nid(OBJ_obj2nid(attr->object))) { + if(attr->set && sk_ASN1_TYPE_num(attr->value.set)) + ext = sk_ASN1_TYPE_value(attr->value.set, 0); + else ext = attr->value.single; + break; + } + } + if(!ext || (ext->type != V_ASN1_SEQUENCE)) return NULL; + p = ext->value.sequence->data; + return d2i_ASN1_SET_OF_X509_EXTENSION(NULL, &p, + ext->value.sequence->length, + d2i_X509_EXTENSION, X509_EXTENSION_free, + V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL); +} |