Security-57031.1.35.tar.gz

[apple/security.git] / SecurityTool / keychain_unlock.c

diff --git a/SecurityTool/keychain_unlock.c b/SecurityTool/keychain_unlock.c
new file mode 100644 (file)
index 0000000..eda3458
--- /dev/null
+++ b/SecurityTool/keychain_unlock.c
@@ -0,0 +1,131 @@
+/*
+ * Copyright (c) 2003-2004,2012,2014 Apple Inc. All Rights Reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ *
+ * keychain_unlock.c
+ */
+
+#include "keychain_unlock.h"
+#include "readline.h"
+#include "keychain_utilities.h"
+#include "security.h"
+
+#include <pwd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+static int
+do_unlock(const char *keychainName, char *password, Boolean use_password)
+{
+       SecKeychainRef keychain = NULL;
+       OSStatus result;
+
+       if (keychainName)
+       {
+               keychain = keychain_open(keychainName);
+               if (!keychain)
+               {
+                       result = 1;
+                       goto loser;
+               }
+       }
+
+       result = SecKeychainUnlock(keychain, password ? strlen(password) : 0, password, use_password);
+       if (result)
+       {
+               sec_error("SecKeychainUnlock %s: %s", keychainName ? keychainName : "<NULL>", sec_errstr(result));
+       }
+
+loser:
+       if (keychain)
+               CFRelease(keychain);
+
+       return result;
+}
+
+int
+keychain_unlock(int argc, char * const *argv)
+{
+       int zero_password = 0;
+       char *password = NULL;
+       int ch, result = 0;
+       Boolean use_password = TRUE;
+       const char *keychainName = NULL;
+
+       while ((ch = getopt(argc, argv, "hp:u")) != -1)
+       {
+               switch  (ch)
+               {
+               case 'p':
+                       password = optarg;
+                       break;
+        case 'u':
+            use_password = FALSE;
+                       break;
+               case '?':
+               default:
+                       return 2; /* @@@ Return 2 triggers usage message. */
+               }
+       }
+
+       argc -= optind;
+       argv += optind;
+
+       if (argc == 1)
+       {
+               keychainName = argv[0];
+               if (*keychainName == '\0')
+               {
+                       result = 2;
+                       goto loser;
+               }
+       }
+       else if (argc != 0)
+               return 2;
+
+    if (!password && use_password)
+    {
+               const char *fmt = "password to unlock %s: ";
+               const char *name = keychainName ? keychainName : "default";
+               char *prompt = malloc(strlen(fmt) + strlen(name));
+               sprintf(prompt, fmt, name);
+        password = getpass(prompt);
+               free(prompt);
+               if (!password)
+               {
+                       result = -1;
+                       goto loser;
+               }
+               zero_password = 1;
+    }
+
+       result = do_unlock(keychainName, password, use_password);
+       if (result)
+               goto loser;
+
+loser:
+       if (zero_password)
+               memset(password, 0, strlen(password));
+
+       return result;
+}