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imap-send: use Apple's Security framework for base64 encoding

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Use Apple's supported functions for base64 encoding instead
of the deprecated OpenSSL functions.

Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeremy Huddleston 2013-07-29 18:28:30 -07:00 committed by Junio C Hamano
parent be4c828b76
commit 3ef2bcad02
4 changed files with 98 additions and 14 deletions
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1
Makefile
View File

@ -1398,6 +1398,7 @@ ifdef PPC_SHA1
LIB_H += ppc/sha1.h
else
ifdef APPLE_COMMON_CRYPTO
LIB_4_CRYPTO += -framework Security -framework CoreFoundation
COMPAT_CFLAGS += -DCOMMON_DIGEST_FOR_OPENSSL
SHA1_HEADER = <CommonCrypto/CommonDigest.h>
else

86
compat/apple-common-crypto.h Normal file
View File

@ -0,0 +1,86 @@
/* suppress inclusion of conflicting openssl functions */
#define OPENSSL_NO_MD5
#define HEADER_HMAC_H
#define HEADER_SHA_H
#include <CommonCrypto/CommonHMAC.h>
#define HMAC_CTX CCHmacContext
#define HMAC_Init(hmac, key, len, algo) CCHmacInit(hmac, algo, key, len)
#define HMAC_Update CCHmacUpdate
#define HMAC_Final(hmac, hash, ptr) CCHmacFinal(hmac, hash)
#define HMAC_CTX_cleanup(ignore)
#define EVP_md5(...) kCCHmacAlgMD5
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
#define APPLE_LION_OR_NEWER
#include <Security/Security.h>
/* Apple's TYPE_BOOL conflicts with config.c */
#undef TYPE_BOOL
#endif
#ifdef APPLE_LION_OR_NEWER
#define git_CC_error_check(pattern, err) \
do { \
if (err) { \
die(pattern, (long)CFErrorGetCode(err)); \
} \
} while(0)
#define EVP_EncodeBlock git_CC_EVP_EncodeBlock
static inline int git_CC_EVP_EncodeBlock(unsigned char *out,
const unsigned char *in, int inlen)
{
CFErrorRef err;
SecTransformRef encoder;
CFDataRef input, output;
CFIndex length;
encoder = SecEncodeTransformCreate(kSecBase64Encoding, &err);
git_CC_error_check("SecEncodeTransformCreate failed: %ld", err);
input = CFDataCreate(kCFAllocatorDefault, in, inlen);
SecTransformSetAttribute(encoder, kSecTransformInputAttributeName,
input, &err);
git_CC_error_check("SecTransformSetAttribute failed: %ld", err);
output = SecTransformExecute(encoder, &err);
git_CC_error_check("SecTransformExecute failed: %ld", err);
length = CFDataGetLength(output);
CFDataGetBytes(output, CFRangeMake(0, length), out);
CFRelease(output);
CFRelease(input);
CFRelease(encoder);
return (int)strlen((const char *)out);
}
#define EVP_DecodeBlock git_CC_EVP_DecodeBlock
static int inline git_CC_EVP_DecodeBlock(unsigned char *out,
const unsigned char *in, int inlen)
{
CFErrorRef err;
SecTransformRef decoder;
CFDataRef input, output;
CFIndex length;
decoder = SecDecodeTransformCreate(kSecBase64Encoding, &err);
git_CC_error_check("SecEncodeTransformCreate failed: %ld", err);
input = CFDataCreate(kCFAllocatorDefault, in, inlen);
SecTransformSetAttribute(decoder, kSecTransformInputAttributeName,
input, &err);
git_CC_error_check("SecTransformSetAttribute failed: %ld", err);
output = SecTransformExecute(decoder, &err);
git_CC_error_check("SecTransformExecute failed: %ld", err);
length = CFDataGetLength(output);
CFDataGetBytes(output, CFRangeMake(0, length), out);
CFRelease(output);
CFRelease(input);
CFRelease(decoder);
return (int)strlen((const char *)out);
}
#endif /* APPLE_LION_OR_NEWER */

11
git-compat-util.h
View File

@ -127,6 +127,17 @@
#else
#include <poll.h>
#endif
#ifndef NO_OPENSSL
#ifdef APPLE_COMMON_CRYPTO
#include "compat/apple-common-crypto.h"
#else
#include <openssl/evp.h>
#include <openssl/hmac.h>
#endif /* APPLE_COMMON_CRYPTO */
#include <openssl/x509v3.h>
#endif /* NO_OPENSSL */
#if defined(__MINGW32__)
/* pull in Windows compatibility stuff */
#include "compat/mingw.h"

14
imap-send.c
View File

@ -28,20 +28,6 @@
#include "prompt.h"
#ifdef NO_OPENSSL
typedef void *SSL;
#else
#ifdef APPLE_COMMON_CRYPTO
#include <CommonCrypto/CommonHMAC.h>
#define HMAC_CTX CCHmacContext
#define HMAC_Init(hmac, key, len, algo) CCHmacInit(hmac, algo, key, len)
#define HMAC_Update CCHmacUpdate
#define HMAC_Final(hmac, hash, ptr) CCHmacFinal(hmac, hash)
#define HMAC_CTX_cleanup(ignore)
#define EVP_md5() kCCHmacAlgMD5
#else
#include <openssl/evp.h>
#include <openssl/hmac.h>
#endif
#include <openssl/x509v3.h>
#endif
static const char imap_send_usage[] = "git imap-send < <mbox>";