added syscerts dep

vendor/github.com/jackspirou/syscerts/LICENSE

@@ -0,0 +1,201 @@
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vendor/github.com/jackspirou/syscerts/README.md

@@ -0,0 +1,42 @@
+# syscerts
+Gather local system certificates in Go via a public `SystemRootsPool` method.
+
+#### What does this do?
+Provide a way to gather local system certificates
+on different OS platforms.
+
+#### How does it do it?
+It uses the `crypto/x509` package and provides a single public method called
+`SystemRootsPool()` to return a `*x509.CertPool` object.
+
+#### How do you use it?
+```Go
+// gather CA certs
+certpool := syscerts.SystemRootsPool()
+
+// place them in an HTTP client for trusted SSL/TLS connections
+tlsConfig := &tls.Config{RootCAs: certpool}
+transport := &http.Transport{TLSClientConfig: tlsConfig}
+client := &http.Client{Transport: transport}
+
+// make a request
+resp, err := client.Do(req)
+```
+
+#### Why even do it?
+The `crypto/x509` package already has a `systemRootsPool` method.
+The `crypto/x509.systemRootsPool` method is almost the same as
+`github.com/jackspirou/syscerts.SystemRootsPool`.
+The difference? The `crypto/x509.systemRootsPool` method is private so you
+cannot access it. :(
+
+There are plans for the `crypto/x509.systemRootsPool` method to become public
+in Go 1.7. When this happens you might no longer need `github.com/jackspirou/syscerts.SystemRootsPool`.
+
+The only reason you may still use this package after the Go 1.7 release might
+be for the Mac OSX System Keychain certs which are not included in the
+`crypto/x509` package. Relevant lines below:
+
+* https://github.com/jackspirou/syscerts/blob/master/root_darwin.go#L24-L32
+
+Find more about this Go issue here: https://github.com/golang/go/issues/13335

vendor/github.com/jackspirou/syscerts/root.go

@@ -0,0 +1,22 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package syscerts
+
+import (
+	"crypto/x509"
+	"sync"
+)
+
+var (
+	once        sync.Once
+	systemRoots *x509.CertPool
+)
+
+// SystemRootsPool attempts to find and return a pool of all all installed
+// system certificates.
+func SystemRootsPool() *x509.CertPool {
+	once.Do(initSystemRoots)
+	return systemRoots
+}

vendor/github.com/jackspirou/syscerts/root_bsd.go

@@ -0,0 +1,14 @@
+// Copyright 2015 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build dragonfly freebsd netbsd openbsd
+
+package syscerts
+
+// Possible certificate files; stop after finding one.
+var certFiles = []string{
+	"/usr/local/share/certs/ca-root-nss.crt", // FreeBSD/DragonFly
+	"/etc/ssl/cert.pem",                      // OpenBSD
+	"/etc/openssl/certs/ca-certificates.crt", // NetBSD
+}

vendor/github.com/jackspirou/syscerts/root_cgo_darwin.go

@@ -0,0 +1,85 @@
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build cgo,darwin,!arm,!arm64,!ios
+
+package syscerts
+
+/*
+#cgo CFLAGS: -mmacosx-version-min=10.6 -D__MAC_OS_X_VERSION_MAX_ALLOWED=1060
+#cgo LDFLAGS: -framework CoreFoundation -framework Security
+
+#include <CoreFoundation/CoreFoundation.h>
+#include <Security/Security.h>
+
+// FetchPEMRootsC fetches the system's list of trusted X.509 root certificates.
+//
+// On success it returns 0 and fills pemRoots with a CFDataRef that contains the extracted root
+// certificates of the system. On failure, the function returns -1.
+//
+// Note: The CFDataRef returned in pemRoots must be released (using CFRelease) after
+// we've consumed its content.
+int FetchPEMRootsC(CFDataRef *pemRoots) {
+	if (pemRoots == NULL) {
+		return -1;
+	}
+
+	CFArrayRef certs = NULL;
+	OSStatus err = SecTrustCopyAnchorCertificates(&certs);
+	if (err != noErr) {
+		return -1;
+	}
+
+	CFMutableDataRef combinedData = CFDataCreateMutable(kCFAllocatorDefault, 0);
+	int i, ncerts = CFArrayGetCount(certs);
+	for (i = 0; i < ncerts; i++) {
+		CFDataRef data = NULL;
+		SecCertificateRef cert = (SecCertificateRef)CFArrayGetValueAtIndex(certs, i);
+		if (cert == NULL) {
+			continue;
+		}
+
+		// Note: SecKeychainItemExport is deprecated as of 10.7 in favor of SecItemExport.
+		// Once we support weak imports via cgo we should prefer that, and fall back to this
+		// for older systems.
+		err = SecKeychainItemExport(cert, kSecFormatX509Cert, kSecItemPemArmour, NULL, &data);
+		if (err != noErr) {
+			continue;
+		}
+
+		if (data != NULL) {
+			CFDataAppendBytes(combinedData, CFDataGetBytePtr(data), CFDataGetLength(data));
+			CFRelease(data);
+		}
+	}
+
+	CFRelease(certs);
+
+	*pemRoots = combinedData;
+	return 0;
+}
+*/
+
+/*
+import "C"
+import (
+	"crypto/x509"
+	"unsafe"
+)
+
+func initSystemRoots() {
+	roots := x509.NewCertPool()
+
+	var data C.CFDataRef = nil
+	err := C.FetchPEMRootsC(&data)
+	if err == -1 {
+		return
+	}
+
+	defer C.CFRelease(C.CFTypeRef(data))
+	buf := C.GoBytes(unsafe.Pointer(C.CFDataGetBytePtr(data)), C.int(C.CFDataGetLength(data)))
+	roots.AppendCertsFromPEM(buf)
+	systemRoots = roots
+}
+*/

vendor/github.com/jackspirou/syscerts/root_darwin.go

@@ -0,0 +1,39 @@
+// Copyright 2013 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:generate go run root_darwin_arm_gen.go -output root_darwin_armx.go
+
+package syscerts
+
+import (
+	"crypto/x509"
+	"os"
+	"os/exec"
+)
+
+func execSecurityRoots() (*x509.CertPool, error) {
+	roots := x509.NewCertPool()
+	cmd := exec.Command("/usr/bin/security", "find-certificate", "-a", "-p", "/System/Library/Keychains/SystemRootCertificates.keychain")
+	data, err := cmd.Output()
+	if err != nil {
+		return nil, err
+	}
+	roots.AppendCertsFromPEM(data)
+
+	// if available add the Mac OSX System Keychain
+	if _, err := os.Stat("/Library/Keychains/System.keychain"); err == nil {
+		cmd = exec.Command("/usr/bin/security", "find-certificate", "-a", "-p", "/Library/Keychains/System.keychain")
+		data, err = cmd.Output()
+		if err != nil {
+			return nil, err
+		}
+		roots.AppendCertsFromPEM(data)
+	}
+
+	return roots, nil
+}
+
+func initSystemRoots() {
+	systemRoots, _ = execSecurityRoots()
+}

vendor/github.com/jackspirou/syscerts/root_linux.go

@@ -0,0 +1,13 @@
+// Copyright 2015 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package syscerts
+
+// Possible certificate files; stop after finding one.
+var certFiles = []string{
+	"/etc/ssl/certs/ca-certificates.crt", // Debian/Ubuntu/Gentoo etc.
+	"/etc/pki/tls/certs/ca-bundle.crt",   // Fedora/RHEL
+	"/etc/ssl/ca-bundle.pem",             // OpenSUSE
+	"/etc/pki/tls/cacert.pem",            // OpenELEC
+}

vendor/github.com/jackspirou/syscerts/root_nacl.go

@@ -0,0 +1,8 @@
+// Copyright 2015 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package syscerts
+
+// Possible certificate files; stop after finding one.
+var certFiles = []string{}

vendor/github.com/jackspirou/syscerts/root_plan9.go

@@ -0,0 +1,32 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build plan9
+
+package syscerts
+
+import (
+	"crypto/x509"
+	"io/ioutil"
+)
+
+// Possible certificate files; stop after finding one.
+var certFiles = []string{
+	"/sys/lib/tls/ca.pem",
+}
+
+func initSystemRoots() {
+	roots := x509.NewCertPool()
+	for _, file := range certFiles {
+		data, err := ioutil.ReadFile(file)
+		if err == nil {
+			roots.AppendCertsFromPEM(data)
+			systemRoots = roots
+			return
+		}
+	}
+
+	// All of the files failed to load. systemRoots will be nil which will
+	// trigger a specific error at verification time.
+}

vendor/github.com/jackspirou/syscerts/root_solaris.go

@@ -0,0 +1,12 @@
+// Copyright 2015 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package syscerts
+
+// Possible certificate files; stop after finding one.
+var certFiles = []string{
+	"/etc/certs/ca-certificates.crt",     // Solaris 11.2+
+	"/etc/ssl/certs/ca-certificates.crt", // Joyent SmartOS
+	"/etc/ssl/cacert.pem",                // OmniOS
+}

vendor/github.com/jackspirou/syscerts/root_unix.go

@@ -0,0 +1,52 @@
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build dragonfly freebsd linux nacl netbsd openbsd solaris
+
+package syscerts
+
+import (
+	"crypto/x509"
+	"io/ioutil"
+)
+
+// Possible directories with certificate files; stop after successfully
+// reading at least one file from a directory.
+var certDirectories = []string{
+	"/etc/ssl/certs",               // SLES10/SLES11, https://golang.org/issue/12139
+	"/system/etc/security/cacerts", // Android
+}
+
+func initSystemRoots() {
+	roots := x509.NewCertPool()
+	for _, file := range certFiles {
+		data, err := ioutil.ReadFile(file)
+		if err == nil {
+			roots.AppendCertsFromPEM(data)
+			systemRoots = roots
+			return
+		}
+	}
+
+	for _, directory := range certDirectories {
+		fis, err := ioutil.ReadDir(directory)
+		if err != nil {
+			continue
+		}
+		rootsAdded := false
+		for _, fi := range fis {
+			data, err := ioutil.ReadFile(directory + "/" + fi.Name())
+			if err == nil && roots.AppendCertsFromPEM(data) {
+				rootsAdded = true
+			}
+		}
+		if rootsAdded {
+			systemRoots = roots
+			return
+		}
+	}
+
+	// All of the files failed to load. systemRoots will be nil which will
+	// trigger a specific error at verification time.
+}

vendor/github.com/jackspirou/syscerts/root_windows.go

@@ -0,0 +1,40 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package syscerts
+
+import (
+	"crypto/x509"
+	"errors"
+	"syscall"
+	"unsafe"
+)
+
+// extractSimpleChain extracts the final certificate chain from a CertSimpleChain.
+func extractSimpleChain(simpleChain **syscall.CertSimpleChain, count int) (chain []*x509.Certificate, err error) {
+	if simpleChain == nil || count == 0 {
+		return nil, errors.New("x509: invalid simple chain")
+	}
+
+	simpleChains := (*[1 << 20]*syscall.CertSimpleChain)(unsafe.Pointer(simpleChain))[:]
+	lastChain := simpleChains[count-1]
+	elements := (*[1 << 20]*syscall.CertChainElement)(unsafe.Pointer(lastChain.Elements))[:]
+	for i := 0; i < int(lastChain.NumElements); i++ {
+		// Copy the buf, since ParseCertificate does not create its own copy.
+		cert := elements[i].CertContext
+		encodedCert := (*[1 << 20]byte)(unsafe.Pointer(cert.EncodedCert))[:]
+		buf := make([]byte, cert.Length)
+		copy(buf, encodedCert[:])
+		parsedCert, err := x509.ParseCertificate(buf)
+		if err != nil {
+			return nil, err
+		}
+		chain = append(chain, parsedCert)
+	}
+
+	return chain, nil
+}
+
+func initSystemRoots() {
+}

vendor/vendor.json

@@ -133,6 +133,11 @@
 			"revision": "9111d830d133f952887a936367fb0211c3134f0d",
 			"revisionTime": "2014-07-20T15:03:42-06:00"
 		},
+		{
+			"path": "github.com/jackspirou/syscerts",
+			"revision": "5ecaea8f7ec96a0826ced1ff106d30083066bf35",
+			"revisionTime": "2016-03-18T16:00:26-05:00"
+		},
 		{
 			"path": "github.com/joho/godotenv",
 			"revision": "4ed13390c0acd2ff4e371e64d8b97c8954138243",