/* destroyobj [-s $slot] [-i $id | -l $label] [-p $pin] */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#ifndef OPENCRYPTOKI
#include <security/cryptoki.h>
#include <security/pkcs11.h>
#else
#include <opencryptoki/pkcs11.h>
#endif
int
main(int argc, char *argv[])
{
CK_RV rv;
CK_SLOT_ID slot = 0;
CK_SESSION_HANDLE hSession;
CK_UTF8CHAR *pin = NULL;
CK_BYTE attr_id[2];
CK_OBJECT_HANDLE akey[50];
char *label = NULL;
int error = 0;
int id = 0, i = 0;
int c, errflg = 0;
CK_ULONG ulObjectCount;
CK_ATTRIBUTE search_template[] = {
{CKA_ID, &attr_id, sizeof(attr_id)}
};
extern char *optarg;
extern int optopt;
while ((c = getopt(argc, argv, ":s:i:l:p:")) != -1) {
switch (c) {
case 's':
slot = atoi(optarg);
break;
case 'i':
id = atoi(optarg);
id &= 0xffff;
break;
case 'l':
label = optarg;
break;
case 'p':
pin = (CK_UTF8CHAR *)optarg;
break;
case ':':
fprintf(stderr, "Option -%c requires an operand\n", optopt);
errflg++;
break;
case '?':
default:
fprintf(stderr, "Unrecognised option: -%c\n", optopt);
errflg++;
}
}
if (errflg || ((!id) && (!label))) {
fprintf(stderr,
"usage: destroykey [-s slot] [-i id | -l label] [-p pin]\n");
exit(1);
}
if (id) {
printf("id %i\n", id);
attr_id[0] = (id >> 8) & 0xff;
attr_id[1] = id & 0xff;
} else if (label) {
printf("label %s\n", label);
search_template[0].type = CKA_LABEL;
search_template[0].pValue = label;
search_template[0].ulValueLen = strlen(label);
}
/* Initialize the CRYPTOKI library */
rv = C_Initialize(NULL_PTR);
if (rv != CKR_OK) {
fprintf(stderr, "C_Initialize: Error = 0x%.8X\n", rv);
exit(1);
}
/* Open a session on the slot found */
rv = C_OpenSession(slot, CKF_RW_SESSION+CKF_SERIAL_SESSION,
NULL_PTR, NULL_PTR, &hSession);
if (rv != CKR_OK) {
fprintf(stderr, "C_OpenSession: Error = 0x%.8X\n", rv);
error = 1;
goto exit_program;
}
/* Login to the Token (Keystore) */
if (!pin)
#ifndef OPENCRYPTOKI
pin = (CK_UTF8CHAR *)getpassphrase("Enter Pin: ");
#else
pin = (CK_UTF8CHAR *)getpass("Enter Pin: ");
#endif
rv = C_Login(hSession, CKU_USER, pin, strlen((char *)pin));
memset(pin, 0, strlen((char *)pin));
if (rv != CKR_OK) {
fprintf(stderr, "C_Login: Error = 0x%.8X\n", rv);
error = 1;
goto exit_session;
}
rv = C_FindObjectsInit(hSession, search_template,
((id != 0) || (label != NULL)) ? 1 : 0);
if (rv != CKR_OK) {
fprintf(stderr, "C_FindObjectsInit: Error = 0x%.8X\n", rv);
error = 1;
goto exit_session;
}
rv = C_FindObjects(hSession, akey, 50, &ulObjectCount);
if (rv != CKR_OK) {
fprintf(stderr, "C_FindObjects: Error = 0x%.8X\n", rv);
error = 1;
goto exit_search;
}
for (i = 0; i < ulObjectCount; i++) {
CK_OBJECT_CLASS oclass = 0;
CK_BYTE labelbuf[64 + 1];
CK_BYTE idbuf[64];
CK_ATTRIBUTE attr_template[] = {
{CKA_CLASS, &oclass, sizeof(oclass)},
{CKA_LABEL, labelbuf, sizeof(labelbuf) - 1},
{CKA_ID, idbuf, sizeof(idbuf)}
};
int j, len;
memset(labelbuf, 0, sizeof(labelbuf));
memset(idbuf, 0, sizeof(idbuf));
rv = C_GetAttributeValue(hSession, akey[i], attr_template, 3);
if (rv != CKR_OK) {
fprintf(stderr, "C_GetAttributeValue[%d]: rv = 0x%.8X\n", i, rv);
error = 1;
goto exit_search;
}
len = attr_template[2].ulValueLen;
printf("object[%d]: class %d label '%s' id[%u] ",
i, oclass, labelbuf, attr_template[2].ulValueLen);
if (len > 4)
len = 4;
for (j = 0; j < len; j++)
printf("%02x", idbuf[j]);
if (attr_template[2].ulValueLen > len)
printf("...\n");
else
printf("\n");
}
/* give a chance to kill this */
printf("sleeping 5 seconds...\n");
sleep(5);
for (i = 0; i < ulObjectCount; i++) {
rv = C_DestroyObject(hSession, akey[i]);
if (rv != CKR_OK) {
fprintf(stderr, "C_DestroyObject[%d]: rv = 0x%.8X\n", i, rv);
error = 1;
}
}
exit_search:
rv = C_FindObjectsFinal(hSession);
if (rv != CKR_OK) {
fprintf(stderr, "C_FindObjectsFinal: Error = 0x%.8X\n", rv);
error = 1;
}
exit_session:
(void) C_CloseSession(hSession);
exit_program:
(void) C_Finalize(NULL_PTR);
exit(error);
}