diff options
Diffstat (limited to 'src/crypto/x509/root_cgo_darwin.go')
| -rw-r--r-- | src/crypto/x509/root_cgo_darwin.go | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/crypto/x509/root_cgo_darwin.go b/src/crypto/x509/root_cgo_darwin.go index 0e2fb357ee..a4b33c7660 100644 --- a/src/crypto/x509/root_cgo_darwin.go +++ b/src/crypto/x509/root_cgo_darwin.go @@ -10,9 +10,65 @@ package x509 #cgo CFLAGS: -mmacosx-version-min=10.6 -D__MAC_OS_X_VERSION_MAX_ALLOWED=1060 #cgo LDFLAGS: -framework CoreFoundation -framework Security +#include <errno.h> +#include <sys/sysctl.h> + #include <CoreFoundation/CoreFoundation.h> #include <Security/Security.h> +// FetchPEMRoots_MountainLion is the version of FetchPEMRoots from Go 1.6 +// which still works on OS X 10.8 (Mountain Lion). +// It lacks support for admin & user cert domains. +// See golang.org/issue/16473 +int FetchPEMRoots_MountainLion(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; +} + +// useOldCode reports whether the running machine is OS X 10.8 Mountain Lion +// or older. We only support Mountain Lion and higher, but we'll at least try our +// best on older machines and continue to use the old code path. +// +// See golang.org/issue/16473 +int useOldCode() { + char str[256]; + size_t size = sizeof(str); + memset(str, 0, size); + sysctlbyname("kern.osrelease", str, &size, NULL, 0); + // OS X 10.8 is osrelease "12.*", 10.7 is 11.*, 10.6 is 10.*. + // We never supported things before that. + return memcmp(str, "12.", 3) == 0 || memcmp(str, "11.", 3) == 0 || memcmp(str, "10.", 3) == 0; +} + // FetchPEMRoots 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 @@ -21,6 +77,10 @@ package x509 // Note: The CFDataRef returned in pemRoots must be released (using CFRelease) after // we've consumed its content. int FetchPEMRoots(CFDataRef *pemRoots) { + if (useOldCode()) { + return FetchPEMRoots_MountainLion(pemRoots); + } + // Get certificates from all domains, not just System, this lets // the user add CAs to their "login" keychain, and Admins to add // to the "System" keychain |