stroke: Load credentials from PKCS#12 files (P12 token)

This commit is contained in:
Tobias Brunner
2013-05-08 15:02:41 +02:00
parent 904390e887
commit 7971278c92
2 changed files with 109 additions and 19 deletions
+92 -15
View File
@@ -1,5 +1,5 @@
/*
* Copyright (C) 2008-2012 Tobias Brunner
* Copyright (C) 2008-2013 Tobias Brunner
* Copyright (C) 2008 Martin Willi
* Hochschule fuer Technik Rapperswil
*
@@ -32,6 +32,7 @@
#include <credentials/certificates/x509.h>
#include <credentials/certificates/crl.h>
#include <credentials/certificates/ac.h>
#include <credentials/containers/pkcs12.h>
#include <credentials/sets/mem_cred.h>
#include <credentials/sets/callback_cred.h>
#include <collections/linked_list.h>
@@ -72,7 +73,7 @@ struct private_stroke_cred_t {
/**
* ignore missing CA basic constraint (i.e. treat all certificates in
* ipsec.conf ca sections and ipsec.d/cacert as CA certificates)
* ipsec.conf ca sections and ipsec.d/cacerts as CA certificates)
*/
bool force_ca_cert;
@@ -225,7 +226,7 @@ METHOD(stroke_cred_t, load_ca, certificate_t*,
cert->destroy(cert);
return NULL;
}
DBG1(DBG_CFG, " loaded ca certificate \"%Y\" from '%s",
DBG1(DBG_CFG, " loaded ca certificate \"%Y\" from '%s'",
cert->get_subject(cert), filename);
return this->creds->add_cert_ref(this->creds, TRUE, cert);
}
@@ -821,15 +822,14 @@ static bool load_pin(mem_cred_t *secrets, chunk_t line, int line_nr,
}
/**
* Load a private key
* Load a private key or PKCS#12 container from a file
*/
static bool load_private(mem_cred_t *secrets, chunk_t line, int line_nr,
FILE *prompt, key_type_t key_type)
static bool load_from_file(chunk_t line, int line_nr, FILE *prompt,
char *path, int type, int subtype,
void **result)
{
char path[PATH_MAX];
chunk_t filename;
chunk_t secret = chunk_empty;
private_key_t *key;
err_t ugh = extract_value(&filename, &line);
@@ -846,12 +846,12 @@ static bool load_private(mem_cred_t *secrets, chunk_t line, int line_nr,
if (*filename.ptr == '/')
{
/* absolute path name */
snprintf(path, sizeof(path), "%.*s", (int)filename.len, filename.ptr);
snprintf(path, PATH_MAX, "%.*s", (int)filename.len, filename.ptr);
}
else
{
/* relative path name */
snprintf(path, sizeof(path), "%s/%.*s", PRIVATE_KEY_DIR,
snprintf(path, PATH_MAX, "%s/%.*s", PRIVATE_KEY_DIR,
(int)filename.len, filename.ptr);
}
@@ -877,6 +877,7 @@ static bool load_private(mem_cred_t *secrets, chunk_t line, int line_nr,
free(secret.ptr);
if (!prompt)
{
*result = NULL;
return TRUE;
}
/* use callback credential set to prompt for the passphrase */
@@ -886,8 +887,8 @@ static bool load_private(mem_cred_t *secrets, chunk_t line, int line_nr,
cb = callback_cred_create_shared((void*)passphrase_cb, &pp_data);
lib->credmgr->add_local_set(lib->credmgr, &cb->set, FALSE);
key = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, key_type,
BUILD_FROM_FILE, path, BUILD_END);
*result = lib->creds->create(lib->creds, type, subtype,
BUILD_FROM_FILE, path, BUILD_END);
lib->credmgr->remove_local_set(lib->credmgr, &cb->set);
cb->destroy(cb);
@@ -903,12 +904,29 @@ static bool load_private(mem_cred_t *secrets, chunk_t line, int line_nr,
mem->add_shared(mem, shared, NULL);
lib->credmgr->add_local_set(lib->credmgr, &mem->set, FALSE);
key = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, key_type,
BUILD_FROM_FILE, path, BUILD_END);
*result = lib->creds->create(lib->creds, type, subtype,
BUILD_FROM_FILE, path, BUILD_END);
lib->credmgr->remove_local_set(lib->credmgr, &mem->set);
mem->destroy(mem);
}
return TRUE;
}
/**
* Load a private key
*/
static bool load_private(mem_cred_t *secrets, chunk_t line, int line_nr,
FILE *prompt, key_type_t key_type)
{
char path[PATH_MAX];
private_key_t *key;
if (!load_from_file(line, line_nr, prompt, path, CRED_PRIVATE_KEY,
key_type, (void**)&key))
{
return FALSE;
}
if (key)
{
DBG1(DBG_CFG, " loaded %N private key from '%s'",
@@ -922,6 +940,58 @@ static bool load_private(mem_cred_t *secrets, chunk_t line, int line_nr,
return TRUE;
}
/**
* Load a PKCS#12 container
*/
static bool load_pkcs12(mem_cred_t *secrets, chunk_t line, int line_nr,
FILE *prompt)
{
enumerator_t *enumerator;
char path[PATH_MAX];
certificate_t *cert;
private_key_t *key;
pkcs12_t *pkcs12;
if (!load_from_file(line, line_nr, prompt, path, CRED_CONTAINER,
CONTAINER_PKCS12, (void**)&pkcs12))
{
return FALSE;
}
if (!pkcs12)
{
DBG1(DBG_CFG, " loading credentials from '%s' failed", path);
return TRUE;
}
enumerator = pkcs12->create_cert_enumerator(pkcs12);
while (enumerator->enumerate(enumerator, &cert))
{
x509_t *x509 = (x509_t*)cert;
if (x509->get_flags(x509) & X509_CA)
{
DBG1(DBG_CFG, " loaded ca certificate \"%Y\" from '%s'",
cert->get_subject(cert), path);
}
else
{
DBG1(DBG_CFG, " loaded certificate \"%Y\" from '%s'",
cert->get_subject(cert), path);
}
secrets->add_cert(secrets, TRUE, cert->get_ref(cert));
}
enumerator->destroy(enumerator);
enumerator = pkcs12->create_key_enumerator(pkcs12);
while (enumerator->enumerate(enumerator, &key))
{
DBG1(DBG_CFG, " loaded %N private key from '%s'",
key_type_names, key->get_type(key), path);
secrets->add_key(secrets, key->get_ref(key));
}
enumerator->destroy(enumerator);
pkcs12->container.destroy(&pkcs12->container);
return TRUE;
}
/**
* Load a shared key
*/
@@ -1140,6 +1210,13 @@ static void load_secrets(private_stroke_cred_t *this, mem_cred_t *secrets,
break;
}
}
else if (match("P12", &token))
{
if (!load_pkcs12(secrets, line, line_nr, prompt))
{
break;
}
}
else if (match("PIN", &token))
{
if (!load_pin(secrets, line, line_nr, prompt))
@@ -1160,7 +1237,7 @@ static void load_secrets(private_stroke_cred_t *this, mem_cred_t *secrets,
else
{
DBG1(DBG_CFG, "line %d: token must be either "
"RSA, ECDSA, PSK, EAP, XAUTH or PIN", line_nr);
"RSA, ECDSA, P12, PIN, PSK, EAP, XAUTH or NTLM", line_nr);
break;
}
}