Repost; updated for HEAD and tested on ubuntu as well.
Dw.
Folks,
Find below a minor patch to allow the use of smartcards in readers that have
their own
PIN entry keypads (Secure PIN entry) such as the SPR332 and most german/medical
chipcard devices.
Tested on Solaris, FreeBSD, Linux and MacOSX against various cards and drivers.
I’ve left the pkcs11_interactive check in place. Arguably - with some Secure
PIN readers
it may be better to move this just in front of the keyboard entry ONLY; as
there are some
secure PIN keypads that use means which are somewhat suitable to unattended
operation. But I thought it better to let this wait until an actual use case
warrants this
and/or the need for a special flag/argument to control such.
Thanks,
Dw.
Index: ssh-pkcs11.c
===================================================================
RCS file: /cvs/openssh/ssh-pkcs11.c,v
retrieving revision 1.15
diff -u -w -r1.15 ssh-pkcs11.c
--- ssh-pkcs11.c 20 Apr 2014 03:21:23 -0000 1.15
+++ ssh-pkcs11.c 12 May 2014 12:34:25 -0000
@@ -255,21 +255,29 @@
si = &k11->provider->slotinfo[k11->slotidx];
if ((si->token.flags & CKF_LOGIN_REQUIRED) && !si->logged_in) {
if (!pkcs11_interactive) {
- error("need pin");
+ error("need pin entry%s",
+ (si->token.flags &
CKF_PROTECTED_AUTHENTICATION_PATH) ? " on reader keypad" : "");
return (-1);
}
+ if (si->token.flags & CKF_PROTECTED_AUTHENTICATION_PATH) {
+ verbose("Deferring PIN entry to keypad of chipcard
reader.");
+ pin = NULL;
+ } else {
snprintf(prompt, sizeof(prompt), "Enter PIN for '%s': ",
si->token.label);
pin = read_passphrase(prompt, RP_ALLOW_EOF);
if (pin == NULL)
return (-1); /* bail out */
- if ((rv = f->C_Login(si->session, CKU_USER,
- (u_char *)pin, strlen(pin))) != CKR_OK) {
- free(pin);
+ };
+ if ((rv = f->C_Login(si->session, CKU_USER, pin, pin ?
strlen(pin): 0))
+ != CKR_OK) {
+ if (pin)
+ xfree(pin);
error("C_Login failed: %lu", rv);
return (-1);
}
- free(pin);
+ if (pin)
+ xfree(pin);
si->logged_in = 1;
}
key_filter[1].pValue = k11->keyid;
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