Security-59306.11.20.tar.gz

[apple/security.git] / SecurityTool / macOS / requirement.c

diff --git a/SecurityTool/macOS/requirement.c b/SecurityTool/macOS/requirement.c
new file mode 100644 (file)
index 0000000..0215b80
--- /dev/null
+++ b/SecurityTool/macOS/requirement.c
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2019 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@
+ */
+
+#include <stdio.h>
+
+#include <CoreFoundation/CoreFoundation.h>
+#include <Security/SecRequirement.h>
+#include <Security/SecRequirementPriv.h>
+
+#include <utilities/SecCFRelease.h>
+#include "security_tool.h"
+#include "trusted_cert_utils.h"
+#include "requirement.h"
+
+int requirement_evaluate(int argc, char * const *argv)
+{
+    int err = 0;
+    CFErrorRef error = NULL;
+    CFStringRef reqStr = NULL;
+    SecRequirementRef req = NULL;
+    CFMutableArrayRef certs = NULL;
+
+    if (argc < 3) {
+        return SHOW_USAGE_MESSAGE;
+    }
+
+    // Create Requirement
+    
+    reqStr = CFStringCreateWithCString(NULL, argv[1], kCFStringEncodingUTF8);
+    
+    OSStatus status = SecRequirementCreateWithStringAndErrors(reqStr,
+                                                              kSecCSDefaultFlags, &error, &req);
+    
+    if (status != errSecSuccess) {
+        CFStringRef errorDesc = CFErrorCopyDescription(error);
+        CFIndex errorLength = CFStringGetMaximumSizeForEncoding(CFStringGetLength(errorDesc),
+                                                                kCFStringEncodingUTF8);
+        char *errorStr = malloc(errorLength+1);
+        
+        CFStringGetCString(errorDesc, errorStr, errorLength+1, kCFStringEncodingUTF8);
+        
+        fprintf(stderr, "parsing requirement failed (%d): %s\n", status, errorStr);
+        
+        free(errorStr);
+        
+        err = 1;
+    }
+
+    // Create cert chain
+    
+    const int num_certs = argc - 2;
+    
+    certs = CFArrayCreateMutable(NULL, num_certs, &kCFTypeArrayCallBacks);
+    
+    for (int i = 0; i < num_certs; ++i) {
+        SecCertificateRef cert = NULL;
+        
+        if (readCertFile(argv[2 + i], &cert) != 0) {
+            fprintf(stderr, "Error reading certificate at '%s'\n", argv[2 + i]);
+            err = 2;
+            goto out;
+        }
+        
+        CFArrayAppendValue(certs, cert);
+        CFRelease(cert);
+    }
+    
+    // Evaluate!
+    
+    if (req != NULL) {
+        status = SecRequirementEvaluate(req, certs, NULL, kSecCSDefaultFlags);
+        printf("%d\n", status);
+        err = status == 0 ? 0 : 3;
+    }
+    
+out:
+    CFReleaseSafe(certs);
+    CFReleaseSafe(req);
+    CFReleaseSafe(reqStr);
+    CFReleaseSafe(error);
+
+    return err;
+}