119 lines
4.2 KiB
C
119 lines
4.2 KiB
C
/**
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* @file nsskey.h
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* @author Ambroz Bizjak <ambrop7@gmail.com>
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*
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* @section LICENSE
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the author nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @section DESCRIPTION
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*
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* Function for opening a NSS certificate and its private key.
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*/
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#ifndef BADVPN_MISC_NSSKEY_H
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#define BADVPN_MISC_NSSKEY_H
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#include <stdlib.h>
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#include <prerror.h>
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#include <nss/cert.h>
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#include <nss/keyhi.h>
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#include <nss/pk11func.h>
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#include <base/BLog.h>
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#include <generated/blog_channel_nsskey.h>
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/**
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* Opens a NSS certificate and its private key.
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*
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* @param name name of the certificate
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* @param out_cert on success, the certificate will be returned here. Should be
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* released with CERT_DestroyCertificate.
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* @param out_key on success, the private key will be returned here. Should be
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* released with SECKEY_DestroyPrivateKey.
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* @return 1 on success, 0 on failure
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*/
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static int open_nss_cert_and_key (char *name, CERTCertificate **out_cert, SECKEYPrivateKey **out_key) WARN_UNUSED;
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static SECKEYPrivateKey * find_nss_private_key (char *name)
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{
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SECKEYPrivateKey *key = NULL;
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PK11SlotList *slot_list = PK11_GetAllTokens(CKM_INVALID_MECHANISM, PR_FALSE, PR_FALSE, NULL);
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if (!slot_list) {
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return NULL;
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}
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PK11SlotListElement *slot_entry;
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for (slot_entry = slot_list->head; !key && slot_entry; slot_entry = slot_entry->next) {
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SECKEYPrivateKeyList *key_list = PK11_ListPrivKeysInSlot(slot_entry->slot, name, NULL);
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if (!key_list) {
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BLog(BLOG_ERROR, "PK11_ListPrivKeysInSlot failed");
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continue;
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}
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SECKEYPrivateKeyListNode *key_node;
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for (key_node = PRIVKEY_LIST_HEAD(key_list); !key && !PRIVKEY_LIST_END(key_node, key_list); key_node = PRIVKEY_LIST_NEXT(key_node)) {
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char *key_name = PK11_GetPrivateKeyNickname(key_node->key);
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if (!key_name || strcmp(key_name, name)) {
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PORT_Free((void *)key_name);
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continue;
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}
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PORT_Free((void *)key_name);
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key = SECKEY_CopyPrivateKey(key_node->key);
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}
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SECKEY_DestroyPrivateKeyList(key_list);
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}
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PK11_FreeSlotList(slot_list);
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return key;
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}
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int open_nss_cert_and_key (char *name, CERTCertificate **out_cert, SECKEYPrivateKey **out_key)
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{
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CERTCertificate *cert;
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cert = CERT_FindCertByNicknameOrEmailAddr(CERT_GetDefaultCertDB(), name);
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if (!cert) {
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BLog(BLOG_ERROR, "CERT_FindCertByName failed (%d)", (int)PR_GetError());
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return 0;
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}
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SECKEYPrivateKey *key = find_nss_private_key(name);
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if (!key) {
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BLog(BLOG_ERROR, "Failed to find private key");
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CERT_DestroyCertificate(cert);
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return 0;
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}
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*out_cert = cert;
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*out_key = key;
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return 1;
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}
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#endif
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