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/* set_key_id [-s slot] [-p $pin] -n $keytag {-i $id | -l $label} */
#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 old_id[2], new_id[2];
CK_OBJECT_HANDLE akey;
int error = 0;
int i = 0;
int c, errflg = 0;
char *label = NULL;
CK_ULONG ulObjectCount;
int oid = 0, nid = 0;
CK_ATTRIBUTE search_template[] = {
{CKA_ID, &old_id, sizeof(old_id)}
};
extern char *optarg;
extern int optopt;
while ((c = getopt(argc, argv, ":s:i:n:l:p:")) != -1) {
switch (c) {
case 's':
slot = atoi(optarg);
break;
case 'i':
oid = atoi(optarg);
oid &= 0xffff;
old_id[0] = (oid >> 8) & 0xff;
old_id[1] = oid & 0xff;
break;
case 'n':
nid = atoi(optarg);
nid &= 0xffff;
new_id[0] = (nid >> 8) & 0xff;
new_id[1] = nid & 0xff;
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) || (!nid) || ((!oid) && (!label))) {
fprintf(stderr,
"usage: set_key_id [-s slot] [-p pin] -n new_id "
"{ -i old_id | -l label }\n");
exit(1);
}
if (!label)
printf("old %i new %i\n", oid, nid);
else {
printf("label %s new %i\n", label, nid);
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, 1);
if (rv != CKR_OK) {
fprintf(stderr, "C_FindObjectsInit: Error = 0x%.8X\n", rv);
error = 1;
goto exit_session;
}
ulObjectCount = 1;
while(ulObjectCount) {
rv = C_FindObjects(hSession, &akey, 1, &ulObjectCount);
if (rv != CKR_OK) {
fprintf(stderr, "C_FindObjects: Error = 0x%.8X\n", rv);
error = 1;
goto exit_search;
} else if (ulObjectCount) {
/* Set update template. */
CK_ATTRIBUTE new_template[] = {
{CKA_ID, &new_id, sizeof(new_id)}
};
rv = C_SetAttributeValue(hSession, akey, new_template, 1);
if (rv != CKR_OK) {
fprintf(stderr, "C_SetAttributeValue: rv = 0x%.8X\n", 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);
}
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