Files
heimdal/lib/hx509/ks_p11.c
Love Hörnquist Åstrand 546c8bd55b Starting point for a pkcs11 module.
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@16067 ec53bebd-3082-4978-b11e-865c3cabbd6b
2005-09-14 15:51:29 +00:00

307 lines
6.8 KiB
C

/*
* Copyright (c) 2004 - 2005 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "hx_locl.h"
RCSID("$Id$");
#include <dlfcn.h>
#include "pkcs11u.h"
#include "pkcs11.h"
struct p11_module {
hx509_certs certs;
void *dl_handle;
CK_FUNCTION_LIST_PTR funcs;
CK_ULONG num_slots;
CK_ULONG selected_slot;
/* slot info */
struct p11_slot {
int flags;
#define P11_SESSION 1
#define P11_LOGIN_REQ 2
#define P11_LOGIN_DONE 4
CK_SESSION_HANDLE session;
CK_SLOT_ID id;
CK_BBOOL token;
char *name;
char *pin;
} slot;
};
#define P11SESSION(module) ((module)->session)
#define P11FUNC(module,f,args) (*(module)->funcs->C_##f)args
static int
p11_init_slot(struct p11_module *p, CK_SLOT_ID id, struct p11_slot *slot)
{
CK_SLOT_INFO slot_info;
CK_TOKEN_INFO token_info;
int ret, i;
printf("slot = id %d\n", (int)id);
slot->id = id;
ret = P11FUNC(p, GetSlotInfo, (slot->id, &slot_info));
if (ret)
return ret;
for (i = sizeof(slot_info.slotDescription) - 1; i > 0; i--) {
char c = slot_info.slotDescription[i];
if (c == ' ' || c == '\t' || c == '\n' || c == '\r' || c == '\0')
continue;
i++;
break;
}
asprintf(&slot->name, "%.*s",
i, slot_info.slotDescription);
printf("description: %s\n", slot->name);
printf("manufacturer: %.*s\n",
(int)sizeof(slot_info.manufacturerID),
slot_info.manufacturerID);
if ((slot_info.flags & CKF_TOKEN_PRESENT) == 0) {
printf("no token present\n");
return 0;
}
ret = P11FUNC(p, GetTokenInfo, (slot->id, &token_info));
if (ret)
return ret;
printf("token present\n");
printf("label: %.*s\n",
(int)sizeof(token_info.label),
token_info.label);
printf("manufacturer: %.*s\n",
(int)sizeof(token_info.manufacturerID),
token_info.manufacturerID);
printf("model: %.*s\n",
(int)sizeof(token_info.model),
token_info.model);
printf("serialNumber: %.*s\n",
(int)sizeof(token_info.serialNumber),
token_info.serialNumber);
printf("flags: 0x%04x\n", (unsigned int)token_info.flags);
if (token_info.flags & CKF_LOGIN_REQUIRED) {
printf("login required\n");
slot->flags |= P11_LOGIN_REQ;
}
return 0;
}
static int
p11_init_module(const char *fn, struct p11_module **module)
{
CK_C_GetFunctionList getFuncs;
struct p11_module *p;
int ret;
*module = NULL;
printf("p11 init\n");
p = calloc(1, sizeof(*p));
if (p == NULL)
return ENOMEM;
p->selected_slot = 0;
p->dl_handle = dlopen(fn, RTLD_NOW);
if (p->dl_handle == NULL) {
ret = EINVAL; /* XXX */
goto out;
}
getFuncs = dlsym(p->dl_handle, "C_GetFunctionList");
if (getFuncs == NULL) {
ret = EINVAL;
goto out;
}
ret = (*getFuncs)(&p->funcs);
if (ret) {
ret = EINVAL;
goto out;
}
ret = P11FUNC(p, Initialize, (NULL_PTR));
if (ret != CKR_OK) {
ret = EINVAL;
goto out;
}
{
CK_INFO info;
ret = P11FUNC(p, GetInfo, (&info));
if (ret != CKR_OK) {
ret = EINVAL;
goto out;
}
printf("module information:\n");
printf("version: %04x.%04x\n",
(unsigned int)info.cryptokiVersion.major,
(unsigned int)info.cryptokiVersion.minor);
printf("manufacturer: %.*s\n",
(int)sizeof(info.manufacturerID) - 1,
info.manufacturerID);
printf("flags: 0x%04x\n", (unsigned int)info.flags);
printf("library description: %.*s\n",
(int)sizeof(info.libraryDescription) - 1,
info.libraryDescription);
printf("version: %04x.%04x\n",
(unsigned int)info.libraryVersion.major,
(unsigned int)info.libraryVersion.minor);
}
ret = P11FUNC(p, GetSlotList, (FALSE, NULL, &p->num_slots));
if (ret) {
ret = EINVAL;
goto out;
}
printf("num slots: %ld\n", (long)p->num_slots);
if (p->selected_slot > p->num_slots) {
ret = EINVAL;
goto out;
}
{
CK_SLOT_ID_PTR slot_ids;
slot_ids = malloc(p->num_slots * sizeof(*slot_ids));
if (slot_ids == NULL) {
ret = ENOMEM;
goto out;
}
ret = P11FUNC(p, GetSlotList, (FALSE, slot_ids, &p->num_slots));
if (ret) {
free(slot_ids);
ret = EINVAL;
goto out;
}
ret = p11_init_slot(p, slot_ids[p->selected_slot], &p->slot);
free(slot_ids);
}
*module = p;
return 0;
out:
if (p->dl_handle)
dlclose(p->dl_handle);
free(p);
return ret;
}
static int
p11_init(hx509_certs certs, void **data, int flags,
const char *residue, hx509_lock lock)
{
struct p11_module *p;
int ret;
ret = p11_init_module(residue, &p);
if (ret)
return ret;
*data = p;
return 0;
}
static int
p11_free(hx509_certs certs, void *data)
{
struct p11_module *p = data;
if (p->dl_handle)
dlclose(p->dl_handle);
free(p);
return 0;
}
static int
p11_iter_start(hx509_certs certs, void *data, void **cursor)
{
*cursor = NULL;
return 0;
}
static int
p11_iter(hx509_certs certs, void *data, void *cursor, hx509_cert *cert)
{
*cert = NULL;
return 0;
}
static int
p11_iter_end(hx509_certs certs, void *data, void *cursor)
{
return 0;
}
static struct hx509_keyset_ops keyset_pkcs11 = {
"PKCS11",
0,
p11_init,
p11_free,
NULL,
NULL,
p11_iter_start,
p11_iter,
p11_iter_end
};
void
_hx509_ks_pkcs11_register(void)
{
_hx509_ks_register(&keyset_pkcs11);
}