#include <glib.h>
#include <glib/gi18n.h>
-#ifdef G_OS_UNIX
+#if defined G_OS_UNIX
#include <fcntl.h>
#include <unistd.h>
+#elif defined G_OS_WIN32
+#include <windows.h>
+#include <wincrypt.h>
#endif
#include "common/passcrypt.h"
+#include "common/plugin.h"
#include "common/utils.h"
#include "account.h"
#include "alertpanel.h"
#include "inputdialog.h"
#include "password.h"
+#include "passwordstore.h"
#include "prefs_common.h"
#ifndef PASSWORD_CRYPTO_OLD
-static gchar *_master_password = NULL;
+static gchar *_master_passphrase = NULL;
-static const gchar *master_password()
+static const gchar *master_passphrase()
{
gchar *input;
gboolean end = FALSE;
- if (!prefs_common_get_prefs()->use_master_password) {
+ if (!prefs_common_get_prefs()->use_master_passphrase) {
return PASSCRYPT_KEY;
}
- if (_master_password != NULL) {
- debug_print("Master password is in memory, offering it.\n");
- return _master_password;
+ if (_master_passphrase != NULL) {
+ debug_print("Master passphrase is in memory, offering it.\n");
+ return _master_passphrase;
}
while (!end) {
- input = input_dialog_with_invisible(_("Input master password"),
- _("Input master password"), NULL);
+ input = input_dialog_with_invisible(_("Input master passphrase"),
+ _("Input master passphrase"), NULL);
if (input == NULL) {
- debug_print("Cancel pressed at master password dialog.\n");
+ debug_print("Cancel pressed at master passphrase dialog.\n");
break;
}
- if (master_password_is_correct(input)) {
- debug_print("Entered master password seems to be correct, remembering it.\n");
- _master_password = input;
+ if (master_passphrase_is_correct(input)) {
+ debug_print("Entered master passphrase seems to be correct, remembering it.\n");
+ _master_passphrase = input;
end = TRUE;
} else {
- alertpanel_error(_("Incorrect master password."));
+ alertpanel_error(_("Incorrect master passphrase."));
}
}
- return _master_password;
+ return _master_passphrase;
}
-const gboolean master_password_is_set()
+const gboolean master_passphrase_is_set()
{
- if (prefs_common_get_prefs()->master_password_hash == NULL
- || strlen(prefs_common_get_prefs()->master_password_hash) == 0)
+ if (prefs_common_get_prefs()->master_passphrase_hash == NULL
+ || strlen(prefs_common_get_prefs()->master_passphrase_hash) == 0)
return FALSE;
return TRUE;
}
-const gboolean master_password_is_correct(const gchar *input)
+const gboolean master_passphrase_is_correct(const gchar *input)
{
gchar *hash;
- gchar *stored_hash = prefs_common_get_prefs()->master_password_hash;
+ gchar *stored_hash = prefs_common_get_prefs()->master_passphrase_hash;
const GChecksumType hashtype = G_CHECKSUM_SHA512;
const gssize hashlen = g_checksum_type_get_length(hashtype);
gssize stored_len;
return FALSE;
}
-void master_password_change(const gchar *newp)
+gboolean master_passphrase_is_entered()
{
- gchar *pwd, *newpwd;
- const gchar *oldp;
- GList *cur;
- PrefsAccount *acc;
+ return (_master_passphrase == NULL) ? FALSE : TRUE;
+}
- oldp = master_password();
+void master_passphrase_forget()
+{
+ /* If master passphrase is currently in memory (entered by user),
+ * get rid of it. User will have to enter the new one again. */
+ if (_master_passphrase != NULL) {
+ memset(_master_passphrase, 0, strlen(_master_passphrase));
+ g_free(_master_passphrase);
+ }
+ _master_passphrase = NULL;
+}
+
+void master_passphrase_change(const gchar *oldp, const gchar *newp)
+{
+ if (oldp == NULL) {
+ /* If oldp is NULL, make sure the user has to enter the
+ * current master passphrase before being able to change it. */
+ master_passphrase_forget();
+ oldp = master_passphrase();
+ }
g_return_if_fail(oldp != NULL);
- /* Update master password hash in prefs */
- if (prefs_common_get_prefs()->master_password_hash != NULL)
- g_free(prefs_common_get_prefs()->master_password_hash);
+ /* Update master passphrase hash in prefs */
+ if (prefs_common_get_prefs()->master_passphrase_hash != NULL)
+ g_free(prefs_common_get_prefs()->master_passphrase_hash);
if (newp != NULL) {
- debug_print("Storing hash of new master password\n");
- prefs_common_get_prefs()->master_password_hash =
+ debug_print("Storing hash of new master passphrase\n");
+ prefs_common_get_prefs()->master_passphrase_hash =
g_compute_checksum_for_string(G_CHECKSUM_SHA512, newp, -1);
} else {
- debug_print("Setting master_password_hash to NULL\n");
- prefs_common_get_prefs()->master_password_hash = NULL;
+ debug_print("Setting master_passphrase_hash to NULL\n");
+ prefs_common_get_prefs()->master_passphrase_hash = NULL;
}
/* Now go over all accounts, reencrypting their passwords using
- * the new master password. */
+ * the new master passphrase. */
if (oldp == NULL)
oldp = PASSCRYPT_KEY;
newp = PASSCRYPT_KEY;
debug_print("Reencrypting all account passwords...\n");
- for (cur = account_get_list(); cur != NULL; cur = cur->next) {
- acc = (PrefsAccount *)cur->data;
- debug_print("account %s\n", acc->account_name);
-
- /* Password for receiving */
- if (acc->passwd != NULL && strlen(acc->passwd) > 0) {
- pwd = password_decrypt(acc->passwd, oldp);
- if (pwd == NULL) {
- debug_print("failed to decrypt recv password with old master password\n");
- } else {
- newpwd = password_encrypt(pwd, newp);
- memset(pwd, 0, strlen(pwd));
- g_free(pwd);
- if (newpwd == NULL) {
- debug_print("failed to encrypt recv password with new master password\n");
- } else {
- g_free(acc->passwd);
- acc->passwd = newpwd;
- }
- }
- }
+ passwd_store_reencrypt_all(oldp, newp);
- /* Password for sending */
- if (acc->smtp_passwd != NULL && strlen(acc->smtp_passwd) > 0) {
- pwd = password_decrypt(acc->smtp_passwd, oldp);
- if (pwd == NULL) {
- debug_print("failed to decrypt smtp password with old master password\n");
- } else {
- newpwd = password_encrypt(pwd, newp);
- memset(pwd, 0, strlen(pwd));
- g_free(pwd);
- if (newpwd == NULL) {
- debug_print("failed to encrypt smtp password with new master password\n");
- } else {
- g_free(acc->smtp_passwd);
- acc->smtp_passwd = newpwd;
- }
- }
- }
- }
+ /* Now reencrypt all plugins passwords fields
+ * FIXME: Unloaded plugins won't be able to update their stored passwords
+ */
+ plugins_master_passphrase_change(oldp, newp);
- /* If master password is currently in memory (entered by user),
- * get rid of it. User will have to enter the new one again. */
- if (_master_password != NULL) {
- memset(_master_password, 0, strlen(_master_password));
- g_free(_master_password);
- }
- _master_password = NULL;
+ master_passphrase_forget();
}
#endif
#define BUFSIZE 128
gchar *password_encrypt_gnutls(const gchar *password,
- const gchar *encryption_password)
+ const gchar *encryption_passphrase)
{
/* Another, slightly inferior combination is AES-128-CBC + SHA-256.
* Any block cipher in CBC mode with keysize N and a hash algo with
gnutls_datum_t key, iv;
int ivlen, keylen, digestlen, blocklen, ret, i;
unsigned char hashbuf[BUFSIZE], *buf, *encbuf, *base, *output;
-#ifdef G_OS_UNIX
+#if defined G_OS_UNIX
int rnd;
+#elif defined G_OS_WIN32
+ HCRYPTPROV rnd;
#endif
g_return_val_if_fail(password != NULL, NULL);
- g_return_val_if_fail(encryption_password != NULL, NULL);
+ g_return_val_if_fail(encryption_passphrase != NULL, NULL);
ivlen = gnutls_cipher_get_iv_size(algo);
keylen = gnutls_cipher_get_key_size(algo);
/* Prepare key for cipher - first half of hash of passkey XORed with
* the second. */
memset(&hashbuf, 0, BUFSIZE);
- if ((ret = gnutls_hash_fast(digest, encryption_password,
- strlen(encryption_password), &hashbuf)) < 0) {
+ if ((ret = gnutls_hash_fast(digest, encryption_passphrase,
+ strlen(encryption_passphrase), &hashbuf)) < 0) {
debug_print("Hashing passkey failed: %s\n", gnutls_strerror(ret));
return NULL;
}
memcpy(key.data, &hashbuf, keylen);
key.size = keylen;
-#ifdef G_OS_UNIX
/* Prepare our source of random data. */
+#if defined G_OS_UNIX
rnd = open("/dev/urandom", O_RDONLY);
if (rnd == -1) {
perror("fopen on /dev/urandom");
+#elif defined G_OS_WIN32
+ if (!CryptAcquireContext(&rnd, NULL, NULL, PROV_RSA_FULL, 0) &&
+ !CryptAcquireContext(&rnd, NULL, NULL, PROV_RSA_FULL, CRYPT_NEWKEYSET)) {
+ debug_print("Could not acquire a CSP handle.\n");
+#endif
g_free(key.data);
g_free(iv.data);
return NULL;
}
-#endif
/* Prepare random IV for cipher */
iv.data = malloc(ivlen);
iv.size = ivlen;
-#ifdef G_OS_UNIX
+#if defined G_OS_UNIX
ret = read(rnd, iv.data, ivlen);
if (ret != ivlen) {
perror("read into iv");
+ close(rnd);
+#elif defined G_OS_WIN32
+ if (!CryptGenRandom(rnd, ivlen, iv.data)) {
+ debug_print("Could not read random data for IV\n");
+ CryptReleaseContext(rnd, 0);
+#endif
g_free(key.data);
g_free(iv.data);
- close(rnd);
return NULL;
}
-#endif
/* Initialize the encryption */
ret = gnutls_cipher_init(&handle, algo, &key, &iv);
if (ret < 0) {
g_free(key.data);
g_free(iv.data);
-#ifdef G_OS_UNIX
+#if defined G_OS_UNIX
close(rnd);
+#elif defined G_OS_WIN32
+ CryptReleaseContext(rnd, 0);
#endif
return NULL;
}
* rest with zero bytes. */
buf = malloc(BUFSIZE + blocklen);
memset(buf, 0, BUFSIZE);
-#ifdef G_OS_UNIX
+#if defined G_OS_UNIX
ret = read(rnd, buf, blocklen);
if (ret != blocklen) {
perror("read into buffer");
+ close(rnd);
+#elif defined G_OS_WIN32
+ if (!CryptGenRandom(rnd, blocklen, buf)) {
+ debug_print("Could not read random data for IV\n");
+ CryptReleaseContext(rnd, 0);
+#endif
g_free(buf);
g_free(key.data);
g_free(iv.data);
- close(rnd);
gnutls_cipher_deinit(handle);
return NULL;
}
/* We don't need any more random data. */
+#if defined G_OS_UNIX
close(rnd);
+#elif defined G_OS_WIN32
+ CryptReleaseContext(rnd, 0);
#endif
memcpy(buf + blocklen, password, strlen(password));
}
gchar *password_decrypt_gnutls(const gchar *password,
- const gchar *decryption_password)
+ const gchar *decryption_passphrase)
{
gchar **tokens, *tmp;
gnutls_cipher_algorithm_t algo;
int ivlen, keylen, digestlen, blocklen, ret, i;
gsize len;
unsigned char hashbuf[BUFSIZE], *buf;
-#ifdef G_OS_UNIX
+#if defined G_OS_UNIX
int rnd;
+#elif defined G_OS_WIN32
+ HCRYPTPROV rnd;
#endif
g_return_val_if_fail(password != NULL, NULL);
- g_return_val_if_fail(decryption_password != NULL, NULL);
+ g_return_val_if_fail(decryption_passphrase != NULL, NULL);
tokens = g_strsplit_set(password, "{}", 3);
* the second. AES-256 has key length 32 and length of SHA-512 hash
* is exactly twice that, 64. */
memset(&hashbuf, 0, BUFSIZE);
- if ((ret = gnutls_hash_fast(digest, decryption_password,
- strlen(decryption_password), &hashbuf)) < 0) {
+ if ((ret = gnutls_hash_fast(digest, decryption_passphrase,
+ strlen(decryption_passphrase), &hashbuf)) < 0) {
debug_print("Hashing passkey failed: %s\n", gnutls_strerror(ret));
g_strfreev(tokens);
return NULL;
memcpy(key.data, &hashbuf, keylen);
key.size = keylen;
-#ifdef G_OS_UNIX
/* Prepare our source of random data. */
+#if defined G_OS_UNIX
rnd = open("/dev/urandom", O_RDONLY);
if (rnd == -1) {
perror("fopen on /dev/urandom");
+#elif defined G_OS_WIN32
+ if (!CryptAcquireContext(&rnd, NULL, NULL, PROV_RSA_FULL, 0) &&
+ !CryptAcquireContext(&rnd, NULL, NULL, PROV_RSA_FULL, CRYPT_NEWKEYSET)) {
+ debug_print("Could not acquire a CSP handle.\n");
+#endif
g_free(key.data);
g_free(iv.data);
g_strfreev(tokens);
return NULL;
}
-#endif
/* Prepare random IV for cipher */
iv.data = malloc(ivlen);
iv.size = ivlen;
-#ifdef G_OS_UNIX
+#if defined G_OS_UNIX
ret = read(rnd, iv.data, ivlen);
if (ret != ivlen) {
perror("read into iv");
+ close(rnd);
+#elif defined G_OS_WIN32
+ if (!CryptGenRandom(rnd, ivlen, iv.data)) {
+ debug_print("Could not read random data for IV\n");
+ CryptReleaseContext(rnd, 0);
+#endif
g_free(key.data);
g_free(iv.data);
g_strfreev(tokens);
- close(rnd);
return NULL;
}
/* We don't need any more random data. */
+#if defined G_OS_UNIX
close(rnd);
+#elif defined G_OS_WIN32
+ CryptReleaseContext(rnd, 0);
#endif
/* Prepare encrypted password string for decryption. */
#endif
gchar *password_encrypt(const gchar *password,
- const gchar *encryption_password)
+ const gchar *encryption_passphrase)
{
if (password == NULL || strlen(password) == 0) {
return NULL;
}
#ifndef PASSWORD_CRYPTO_OLD
- if (encryption_password == NULL)
- encryption_password = master_password();
+ if (encryption_passphrase == NULL)
+ encryption_passphrase = master_passphrase();
- return password_encrypt_real(password, encryption_password);
+ return password_encrypt_real(password, encryption_passphrase);
#endif
return password_encrypt_old(password);
}
gchar *password_decrypt(const gchar *password,
- const gchar *decryption_password)
+ const gchar *decryption_passphrase)
{
if (password == NULL || strlen(password) == 0) {
return NULL;
/* Try available crypto backend */
#ifndef PASSWORD_CRYPTO_OLD
- if (decryption_password == NULL)
- decryption_password = master_password();
+ if (decryption_passphrase == NULL)
+ decryption_passphrase = master_passphrase();
if (*password == '{') {
debug_print("Trying to decrypt password...\n");
- return password_decrypt_real(password, decryption_password);
+ return password_decrypt_real(password, decryption_passphrase);
}
#endif
projects / claws.git / blobdiff