/**
*
* Callback to pick the SSL client certificate.
*/
static SECStatus SelectClientCert(void *arg, PRFileDesc *sock,
struct CERTDistNamesStr *caNames,
struct CERTCertificateStr **pRetCert,
struct SECKEYPrivateKeyStr **pRetKey)
{
struct ssl_connect_data *connssl = (struct ssl_connect_data *)arg;
struct SessionHandle *data = connssl->data;
const char *nickname = connssl->client_nickname;
if(connssl->obj_clicert) {
/* use the cert/key provided by PEM reader */
static const char pem_slotname[] = "PEM Token #1";
SECItem cert_der = { 0, NULL, 0 };
void *proto_win = SSL_RevealPinArg(sock);
struct CERTCertificateStr *cert;
struct SECKEYPrivateKeyStr *key;
PK11SlotInfo *slot = PK11_FindSlotByName(pem_slotname);
if(NULL == slot) {
failf(data, "NSS: PK11 slot not found: %s", pem_slotname);
return SECFailure;
}
if(PK11_ReadRawAttribute(PK11_TypeGeneric, connssl->obj_clicert, CKA_VALUE,
&cert_der) != SECSuccess) {
failf(data, "NSS: CKA_VALUE not found in PK11 generic object");
PK11_FreeSlot(slot);
return SECFailure;
}
cert = PK11_FindCertFromDERCertItem(slot, &cert_der, proto_win);
SECITEM_FreeItem(&cert_der, PR_FALSE);
if(NULL == cert) {
failf(data, "NSS: client certificate from file not found");
PK11_FreeSlot(slot);
return SECFailure;
}
key = PK11_FindPrivateKeyFromCert(slot, cert, NULL);
PK11_FreeSlot(slot);
if(NULL == key) {
failf(data, "NSS: private key from file not found");
CERT_DestroyCertificate(cert);
return SECFailure;
}
infof(data, "NSS: client certificate from file\n");
display_cert_info(data, cert);
*pRetCert = cert;
*pRetKey = key;
return SECSuccess;
}
/* use the default NSS hook */
if(SECSuccess != NSS_GetClientAuthData((void *)nickname, sock, caNames,
pRetCert, pRetKey)
|| NULL == *pRetCert) {
if(NULL == nickname)
failf(data, "NSS: client certificate not found (nickname not "
"specified)");
else
failf(data, "NSS: client certificate not found: %s", nickname);
return SECFailure;
}
/* get certificate nickname if any */
nickname = (*pRetCert)->nickname;
if(NULL == nickname)
nickname = "[unknown]";
if(NULL == *pRetKey) {
failf(data, "NSS: private key not found for certificate: %s", nickname);
return SECFailure;
}
infof(data, "NSS: using client certificate: %s\n", nickname);
display_cert_info(data, *pRetCert);
return SECSuccess;
}
/**
*
* Callback to pick the SSL client certificate.
*/
static SECStatus SelectClientCert(void *arg, PRFileDesc *sock,
struct CERTDistNamesStr *caNames,
struct CERTCertificateStr **pRetCert,
struct SECKEYPrivateKeyStr **pRetKey)
{
static const char pem_nickname[] = "PEM Token #1";
const char *pem_slotname = pem_nickname;
struct ssl_connect_data *connssl = (struct ssl_connect_data *)arg;
struct SessionHandle *data = connssl->data;
const char *nickname = connssl->client_nickname;
if (mod && nickname &&
0 == strncmp(nickname, pem_nickname, /* length of "PEM Token" */ 9)) {
/* use the cert/key provided by PEM reader */
PK11SlotInfo *slot;
void *proto_win = SSL_RevealPinArg(sock);
*pRetKey = NULL;
*pRetCert = PK11_FindCertFromNickname(nickname, proto_win);
if (NULL == *pRetCert) {
failf(data, "NSS: client certificate not found: %s", nickname);
return SECFailure;
}
slot = PK11_FindSlotByName(pem_slotname);
if (NULL == slot) {
failf(data, "NSS: PK11 slot not found: %s", pem_slotname);
return SECFailure;
}
*pRetKey = PK11_FindPrivateKeyFromCert(slot, *pRetCert, NULL);
PK11_FreeSlot(slot);
if (NULL == *pRetKey) {
failf(data, "NSS: private key not found for certificate: %s", nickname);
return SECFailure;
}
infof(data, "NSS: client certificate: %s\n", nickname);
display_cert_info(data, *pRetCert);
return SECSuccess;
}
/* use the default NSS hook */
if (SECSuccess != NSS_GetClientAuthData((void *)nickname, sock, caNames,
pRetCert, pRetKey)
|| NULL == *pRetCert) {
if (NULL == nickname)
failf(data, "NSS: client certificate not found (nickname not specified)");
else
failf(data, "NSS: client certificate not found: %s", nickname);
return SECFailure;
}
/* get certificate nickname if any */
nickname = (*pRetCert)->nickname;
if (NULL == nickname)
nickname = "[unknown]";
if (NULL == *pRetKey) {
failf(data, "NSS: private key not found for certificate: %s", nickname);
return SECFailure;
}
infof(data, "NSS: using client certificate: %s\n", nickname);
display_cert_info(data, *pRetCert);
return SECSuccess;
}
