Support module names in %smartcard specifier, streamlined smartcard building

This commit is contained in:
Martin Willi
2010-08-04 09:26:20 +02:00
parent 36c852a08b
commit 3479c27931
5 changed files with 95 additions and 26 deletions
+51 -12
View File
@@ -929,9 +929,14 @@ static void load_secrets(private_stroke_cred_t *this, char *file, int level,
else if (match("PIN", &token))
{
chunk_t sc = chunk_empty, secret = chunk_empty;
char smartcard[32], keyid[22], pin[32];
char smartcard[64], keyid[64], pin[64], module[64], *pos;
private_key_t *key;
u_int slot;
enum {
SC_FORMAT_SLOT_MODULE_KEYID,
SC_FORMAT_SLOT_KEYID,
SC_FORMAT_KEYID,
} format;
err_t ugh = extract_value(&sc, &line);
@@ -948,16 +953,31 @@ static void load_secrets(private_stroke_cred_t *this, char *file, int level,
snprintf(smartcard, sizeof(smartcard), "%.*s", sc.len, sc.ptr);
smartcard[sizeof(smartcard) - 1] = '\0';
/* parse slot and key id. only two formats are supported.
* first try %smartcard<slot>:<keyid> */
if (sscanf(smartcard, "%%smartcard%u:%s", &slot, keyid) == 2)
/* parse slot and key id. Three formats are supported:
* - %smartcard<slot>@<module>:<keyid>
* - %smartcard<slot>:<keyid>
* - %smartcard:<keyid>
*/
if (sscanf(smartcard, "%%smartcard%u@%s", &slot, module) == 2)
{
snprintf(smartcard, sizeof(smartcard), "%u:%s", slot, keyid);
pos = strchr(module, ':');
if (!pos)
{
DBG1(DBG_CFG, "line %d: the given %%smartcard specifier is "
"invalid", line_nr);
goto error;
}
*pos = '\0';
strcpy(keyid, pos + 1);
format = SC_FORMAT_SLOT_MODULE_KEYID;
}
else if (sscanf(smartcard, "%%smartcard%u:%s", &slot, keyid) == 2)
{
format = SC_FORMAT_SLOT_KEYID;
}
/* then try %smartcard:<keyid> */
else if (sscanf(smartcard, "%%smartcard:%s", keyid) == 1)
{
snprintf(smartcard, sizeof(smartcard), "%s", keyid);
format = SC_FORMAT_KEYID;
}
else
{
@@ -980,11 +1000,30 @@ static void load_secrets(private_stroke_cred_t *this, char *file, int level,
snprintf(pin, sizeof(pin), "%.*s", secret.len, secret.ptr);
pin[sizeof(pin) - 1] = '\0';
/* we assume an RSA key */
key = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, KEY_RSA,
BUILD_SMARTCARD_KEYID, smartcard,
BUILD_SMARTCARD_PIN, pin, BUILD_END);
switch (format)
{
case SC_FORMAT_SLOT_MODULE_KEYID:
key = lib->creds->create(lib->creds,
CRED_PRIVATE_KEY, KEY_ANY,
BUILD_PKCS11_SLOT, slot,
BUILD_PKCS11_MODULE, module,
BUILD_PKCS11_KEYID, keyid,
BUILD_PKCS11_PIN, pin, BUILD_END);
break;
case SC_FORMAT_SLOT_KEYID:
key = lib->creds->create(lib->creds,
CRED_PRIVATE_KEY, KEY_ANY,
BUILD_PKCS11_SLOT, slot,
BUILD_PKCS11_KEYID, keyid,
BUILD_PKCS11_PIN, pin, BUILD_END);
break;
case SC_FORMAT_KEYID:
key = lib->creds->create(lib->creds,
CRED_PRIVATE_KEY, KEY_ANY,
BUILD_PKCS11_KEYID, keyid,
BUILD_PKCS11_PIN, pin, BUILD_END);
break;
}
if (key)
{
DBG1(DBG_CFG, " loaded private key from %.*s", sc.len, sc.ptr);