Initial commit

node_modules/nodegit/vendor/libgit2/deps/ntlmclient/CMakeLists.txt

@@ -0,0 +1,21 @@
+FILE(GLOB SRC_NTLMCLIENT "ntlm.c" "unicode_builtin.c" "util.c")
+
+ADD_DEFINITIONS(-DNTLM_STATIC=1)
+
+DISABLE_WARNINGS(implicit-fallthrough)
+
+IF (HTTPS_BACKEND STREQUAL "SecureTransport")
+	ADD_DEFINITIONS(-DCRYPT_COMMONCRYPTO)
+	SET(SRC_NTLMCLIENT_CRYPTO "crypt_commoncrypto.c")
+ELSEIF (HTTPS_BACKEND STREQUAL "OpenSSL")
+	ADD_DEFINITIONS(-DCRYPT_OPENSSL)
+	INCLUDE_DIRECTORIES(${OPENSSL_INCLUDE_DIR})
+	SET(SRC_NTLMCLIENT_CRYPTO "crypt_openssl.c")
+ELSEIF (HTTPS_BACKEND STREQUAL "mbedTLS")
+	ADD_DEFINITIONS(-DCRYPT_MBEDTLS)
+	SET(SRC_NTLMCLIENT_CRYPTO "crypt_mbedtls.c")
+ELSE ()
+	MESSAGE(FATAL_ERROR "Unable to use libgit2's HTTPS backend (${HTTPS_BACKEND}) for NTLM crypto")
+ENDIF()
+
+ADD_LIBRARY(ntlmclient OBJECT ${SRC_NTLMCLIENT} ${SRC_NTLMCLIENT_CRYPTO})

node_modules/nodegit/vendor/libgit2/deps/ntlmclient/compat.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) Edward Thomson.  All rights reserved.
+ *
+ * This file is part of ntlmclient, distributed under the MIT license.
+ * For full terms and copyright information, and for third-party
+ * copyright information, see the included LICENSE.txt file.
+ */
+
+#ifndef PRIVATE_COMPAT_H__
+#define PRIVATE_COMPAT_H__
+
+#if defined (_MSC_VER)
+ typedef unsigned char bool;
+# ifndef true
+#  define true 1
+# endif
+# ifndef false
+#  define false 0
+# endif
+#else
+# include <stdbool.h>
+#endif
+
+#ifdef __linux__
+# include <endian.h>
+# define htonll htobe64
+#endif
+
+#ifndef MIN
+# define MIN(x, y) (((x) < (y)) ? (x) : (y))
+#endif
+
+#endif /* PRIVATE_COMPAT_H__ */

node_modules/nodegit/vendor/libgit2/deps/ntlmclient/crypt.h

@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) Edward Thomson.  All rights reserved.
+ *
+ * This file is part of ntlmclient, distributed under the MIT license.
+ * For full terms and copyright information, and for third-party
+ * copyright information, see the included LICENSE.txt file.
+ */
+
+#ifndef PRIVATE_CRYPT_COMMON_H__
+#define PRIVATE_CRYPT_COMMON_H__
+
+#if defined(CRYPT_OPENSSL)
+# include "crypt_openssl.h"
+#elif defined(CRYPT_MBEDTLS)
+# include "crypt_mbedtls.h"
+#elif defined(CRYPT_COMMONCRYPTO)
+# include "crypt_commoncrypto.h"
+#else
+# error "no crypto support"
+#endif
+
+#define CRYPT_DES_BLOCKSIZE 8
+#define CRYPT_MD4_DIGESTSIZE 16
+#define CRYPT_MD5_DIGESTSIZE 16
+
+typedef unsigned char ntlm_des_block[CRYPT_DES_BLOCKSIZE];
+
+extern bool ntlm_random_bytes(
+	ntlm_client *ntlm,
+	unsigned char *out,
+	size_t len);
+
+extern bool ntlm_des_encrypt(
+	ntlm_des_block *out,
+	ntlm_des_block *plaintext,
+	ntlm_des_block *key);
+
+extern bool ntlm_md4_digest(
+	unsigned char out[CRYPT_MD4_DIGESTSIZE],
+	const unsigned char *in,
+	size_t in_len);
+
+extern ntlm_hmac_ctx *ntlm_hmac_ctx_init(void);
+
+extern bool ntlm_hmac_ctx_reset(ntlm_hmac_ctx *ctx);
+
+extern bool ntlm_hmac_md5_init(
+	ntlm_hmac_ctx *ctx,
+	const unsigned char *key,
+	size_t key_len);
+
+extern bool ntlm_hmac_md5_update(
+	ntlm_hmac_ctx *ctx,
+	const unsigned char *data,
+	size_t data_len);
+
+extern bool ntlm_hmac_md5_final(
+	unsigned char *out,
+	size_t *out_len,
+	ntlm_hmac_ctx *ctx);
+
+extern void ntlm_hmac_ctx_free(ntlm_hmac_ctx *ctx);
+
+#endif /* PRIVATE_CRYPT_COMMON_H__ */

node_modules/nodegit/vendor/libgit2/deps/ntlmclient/crypt_commoncrypto.c

@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) Edward Thomson.  All rights reserved.
+ *
+ * This file is part of ntlmclient, distributed under the MIT license.
+ * For full terms and copyright information, and for third-party
+ * copyright information, see the included LICENSE.txt file.
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include <CommonCrypto/CommonCrypto.h>
+
+#include "ntlm.h"
+#include "crypt.h"
+
+bool ntlm_random_bytes(
+	ntlm_client *ntlm,
+	unsigned char *out,
+	size_t len)
+{
+	int fd, ret;
+	size_t total = 0;
+
+	if ((fd = open("/dev/urandom", O_RDONLY)) < 0) {
+		ntlm_client_set_errmsg(ntlm, strerror(errno));
+		return false;
+	}
+
+	while (total < len) {
+		if ((ret = read(fd, out, (len - total))) < 0) {
+			ntlm_client_set_errmsg(ntlm, strerror(errno));
+			return false;
+		} else if (ret == 0) {
+			ntlm_client_set_errmsg(ntlm, "unexpected eof on random device");
+			return false;
+		}
+
+		total += ret;
+	}
+
+	close(fd);
+	return true;
+}
+
+bool ntlm_des_encrypt(
+	ntlm_des_block *out,
+	ntlm_des_block *plaintext,
+	ntlm_des_block *key)
+{
+	size_t written;
+
+	CCCryptorStatus result = CCCrypt(kCCEncrypt,
+		kCCAlgorithmDES, kCCOptionECBMode,
+		key, sizeof(ntlm_des_block), NULL,
+		plaintext, sizeof(ntlm_des_block),
+		out, sizeof(ntlm_des_block), &written);
+
+	return (result == kCCSuccess) ? true : false;
+}
+
+bool ntlm_md4_digest(
+	unsigned char out[CRYPT_MD4_DIGESTSIZE],
+	const unsigned char *in,
+	size_t in_len)
+{
+	return !!CC_MD4(in, in_len, out);
+}
+
+ntlm_hmac_ctx *ntlm_hmac_ctx_init(void)
+{
+	return calloc(1, sizeof(ntlm_hmac_ctx));
+}
+
+bool ntlm_hmac_ctx_reset(ntlm_hmac_ctx *ctx)
+{
+	memset(ctx, 0, sizeof(ntlm_hmac_ctx));
+	return true;
+}
+
+bool ntlm_hmac_md5_init(
+	ntlm_hmac_ctx *ctx,
+	const unsigned char *key,
+	size_t key_len)
+{
+	CCHmacInit(&ctx->native, kCCHmacAlgMD5, key, key_len);
+	return true;
+}
+
+bool ntlm_hmac_md5_update(
+	ntlm_hmac_ctx *ctx,
+	const unsigned char *data,
+	size_t data_len)
+{
+	CCHmacUpdate(&ctx->native, data, data_len);
+	return true;
+}
+
+bool ntlm_hmac_md5_final(
+	unsigned char *out,
+	size_t *out_len,
+	ntlm_hmac_ctx *ctx)
+{
+	if (*out_len < CRYPT_MD5_DIGESTSIZE)
+		return false;
+
+	CCHmacFinal(&ctx->native, out);
+
+	*out_len = CRYPT_MD5_DIGESTSIZE;
+	return true;
+}
+
+void ntlm_hmac_ctx_free(ntlm_hmac_ctx *ctx)
+{
+	free(ctx);
+}

node_modules/nodegit/vendor/libgit2/deps/ntlmclient/crypt_commoncrypto.h

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) Edward Thomson.  All rights reserved.
+ *
+ * This file is part of ntlmclient, distributed under the MIT license.
+ * For full terms and copyright information, and for third-party
+ * copyright information, see the included LICENSE.txt file.
+ */
+
+#ifndef PRIVATE_CRYPT_COMMONCRYPTO_H__
+#define PRIVATE_CRYPT_COMMONCRYPTO_H__
+
+#include <CommonCrypto/CommonCrypto.h>
+
+typedef struct {
+	CCHmacContext native;
+} ntlm_hmac_ctx;
+
+#endif /* PRIVATE_CRYPT_COMMONCRYPTO_H__ */

node_modules/nodegit/vendor/libgit2/deps/ntlmclient/crypt_mbedtls.c

@@ -0,0 +1,145 @@
+/*
+ * Copyright (c) Edward Thomson.  All rights reserved.
+ *
+ * This file is part of ntlmclient, distributed under the MIT license.
+ * For full terms and copyright information, and for third-party
+ * copyright information, see the included LICENSE.txt file.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "mbedtls/ctr_drbg.h"
+#include "mbedtls/des.h"
+#include "mbedtls/entropy.h"
+#include "mbedtls/md4.h"
+
+#include "ntlm.h"
+#include "crypt.h"
+
+bool ntlm_random_bytes(
+	ntlm_client *ntlm,
+	unsigned char *out,
+	size_t len)
+{
+	mbedtls_ctr_drbg_context ctr_drbg;
+	mbedtls_entropy_context entropy;
+	bool ret = true;
+
+	const unsigned char personalization[] = {
+		0xec, 0xb5, 0xd1, 0x0b, 0x8f, 0x15, 0x1f, 0xc2,
+		0xe4, 0x8e, 0xec, 0x36, 0xf7, 0x0a, 0x45, 0x9a,
+		0x1f, 0xe1, 0x35, 0x58, 0xb1, 0xcb, 0xfd, 0x8a,
+		0x57, 0x5c, 0x75, 0x7d, 0x2f, 0xc9, 0x70, 0xac
+	};
+
+	mbedtls_ctr_drbg_init(&ctr_drbg);
+	mbedtls_entropy_init(&entropy);
+
+	if (mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func,
+		&entropy, personalization, sizeof(personalization)) ||
+		mbedtls_ctr_drbg_random(&ctr_drbg, out, len)) {
+		ntlm_client_set_errmsg(ntlm, "random generation failed");
+		ret = false;
+	}
+
+	mbedtls_entropy_free(&entropy);
+	mbedtls_ctr_drbg_free(&ctr_drbg);
+
+	return ret;
+}
+
+bool ntlm_des_encrypt(
+	ntlm_des_block *out,
+	ntlm_des_block *plaintext,
+	ntlm_des_block *key)
+{
+	mbedtls_des_context ctx;
+	bool success = false;
+
+	mbedtls_des_init(&ctx);
+
+	if (mbedtls_des_setkey_enc(&ctx, *key) ||
+		mbedtls_des_crypt_ecb(&ctx, *plaintext, *out))
+		goto done;
+
+	success = true;
+
+done:
+	mbedtls_des_free(&ctx);
+	return success;
+}
+
+bool ntlm_md4_digest(
+	unsigned char out[CRYPT_MD4_DIGESTSIZE],
+	const unsigned char *in,
+	size_t in_len)
+{
+	mbedtls_md4_context ctx;
+
+	mbedtls_md4_init(&ctx);
+	mbedtls_md4_starts(&ctx);
+	mbedtls_md4_update(&ctx, in, in_len);
+	mbedtls_md4_finish(&ctx, out);
+	mbedtls_md4_free(&ctx);
+
+	return true;
+}
+
+ntlm_hmac_ctx *ntlm_hmac_ctx_init(void)
+{
+	ntlm_hmac_ctx *ctx;
+	const mbedtls_md_info_t *info = mbedtls_md_info_from_type(MBEDTLS_MD_MD5);
+
+	if ((ctx = calloc(1, sizeof(ntlm_hmac_ctx))) == NULL)
+		return NULL;
+
+	mbedtls_md_init(&ctx->mbed);
+
+	if (mbedtls_md_setup(&ctx->mbed, info, 1) != 0) {
+		free(ctx);
+		return false;
+	}
+
+	return ctx;
+}
+
+bool ntlm_hmac_ctx_reset(ntlm_hmac_ctx *ctx)
+{
+	return !mbedtls_md_hmac_reset(&ctx->mbed);
+}
+
+bool ntlm_hmac_md5_init(
+	ntlm_hmac_ctx *ctx,
+	const unsigned char *key,
+	size_t key_len)
+{
+	return !mbedtls_md_hmac_starts(&ctx->mbed, key, key_len);
+}
+
+bool ntlm_hmac_md5_update(
+	ntlm_hmac_ctx *ctx,
+	const unsigned char *in,
+	size_t in_len)
+{
+	return !mbedtls_md_hmac_update(&ctx->mbed, in, in_len);
+}
+
+bool ntlm_hmac_md5_final(
+	unsigned char *out,
+	size_t *out_len,
+	ntlm_hmac_ctx *ctx)
+{
+	if (*out_len < CRYPT_MD5_DIGESTSIZE)
+		return false;
+
+	return !mbedtls_md_hmac_finish(&ctx->mbed, out);
+}
+
+void ntlm_hmac_ctx_free(ntlm_hmac_ctx *ctx)
+{
+	if (ctx) {
+		mbedtls_md_free(&ctx->mbed);
+		free(ctx);
+	}
+}

node_modules/nodegit/vendor/libgit2/deps/ntlmclient/crypt_mbedtls.h

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) Edward Thomson.  All rights reserved.
+ *
+ * This file is part of ntlmclient, distributed under the MIT license.
+ * For full terms and copyright information, and for third-party
+ * copyright information, see the included LICENSE.txt file.
+ */
+
+#ifndef PRIVATE_CRYPT_MBEDTLS_H__
+#define PRIVATE_CRYPT_MBEDTLS_H__
+
+#include "mbedtls/md.h"
+
+typedef struct {
+	mbedtls_md_context_t mbed;
+} ntlm_hmac_ctx;
+
+#endif /* PRIVATE_CRYPT_MBEDTLS_H__ */

node_modules/nodegit/vendor/libgit2/deps/ntlmclient/crypt_openssl.c

@@ -0,0 +1,130 @@
+/*
+ * Copyright (c) Edward Thomson.  All rights reserved.
+ *
+ * This file is part of ntlmclient, distributed under the MIT license.
+ * For full terms and copyright information, and for third-party
+ * copyright information, see the included LICENSE.txt file.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <openssl/rand.h>
+#include <openssl/des.h>
+#include <openssl/md4.h>
+#include <openssl/hmac.h>
+#include <openssl/err.h>
+
+#include "ntlm.h"
+#include "compat.h"
+#include "util.h"
+#include "crypt.h"
+
+bool ntlm_random_bytes(
+	ntlm_client *ntlm,
+	unsigned char *out,
+	size_t len)
+{
+	int rc = RAND_bytes(out, len);
+
+	if (rc != 1) {
+		ntlm_client_set_errmsg(ntlm, ERR_lib_error_string(ERR_get_error()));
+		return false;
+	}
+
+	return true;
+}
+
+bool ntlm_des_encrypt(
+	ntlm_des_block *out,
+	ntlm_des_block *plaintext,
+	ntlm_des_block *key)
+{
+	DES_key_schedule keysched;
+
+	memset(out, 0, sizeof(ntlm_des_block));
+
+	DES_set_key(key, &keysched);
+	DES_ecb_encrypt(plaintext, out, &keysched, DES_ENCRYPT);
+
+	return true;
+}
+
+bool ntlm_md4_digest(
+	unsigned char out[CRYPT_MD4_DIGESTSIZE],
+	const unsigned char *in,
+	size_t in_len)
+{
+	MD4(in, in_len, out);
+	return true;
+}
+
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+static inline void HMAC_CTX_free(HMAC_CTX *ctx)
+{
+	if (ctx)
+		HMAC_CTX_cleanup(ctx);
+
+	free(ctx);
+}
+
+static inline int HMAC_CTX_reset(HMAC_CTX *ctx)
+{
+	HMAC_CTX_cleanup(ctx);
+	memzero(ctx, sizeof(HMAC_CTX));
+	return 1;
+}
+
+static inline HMAC_CTX *HMAC_CTX_new(void)
+{
+	return calloc(1, sizeof(HMAC_CTX));
+}
+#endif
+
+ntlm_hmac_ctx *ntlm_hmac_ctx_init(void)
+{
+	return HMAC_CTX_new();
+}
+
+bool ntlm_hmac_ctx_reset(ntlm_hmac_ctx *ctx)
+{
+	return HMAC_CTX_reset(ctx);
+}
+
+bool ntlm_hmac_md5_init(
+	ntlm_hmac_ctx *ctx,
+	const unsigned char *key,
+	size_t key_len)
+{
+	return HMAC_Init_ex(ctx, key, key_len, EVP_md5(), NULL);
+}
+
+bool ntlm_hmac_md5_update(
+	ntlm_hmac_ctx *ctx,
+	const unsigned char *in,
+	size_t in_len)
+{
+	return HMAC_Update(ctx, in, in_len);
+}
+
+bool ntlm_hmac_md5_final(
+	unsigned char *out,
+	size_t *out_len,
+	ntlm_hmac_ctx *ctx)
+{
+	unsigned int len;
+
+	if (*out_len < CRYPT_MD5_DIGESTSIZE)
+		return false;
+
+	if (!HMAC_Final(ctx, out, &len))
+		return false;
+
+	*out_len = len;
+	return true;
+}
+
+void ntlm_hmac_ctx_free(ntlm_hmac_ctx *ctx)
+{
+	HMAC_CTX_free(ctx);
+}

node_modules/nodegit/vendor/libgit2/deps/ntlmclient/crypt_openssl.h

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) Edward Thomson.  All rights reserved.
+ *
+ * This file is part of ntlmclient, distributed under the MIT license.
+ * For full terms and copyright information, and for third-party
+ * copyright information, see the included LICENSE.txt file.
+ */
+
+#ifndef PRIVATE_CRYPT_OPENSSL_H__
+#define PRIVATE_CRYPT_OPENSSL_H__
+
+#include <openssl/hmac.h>
+
+/* OpenSSL 1.1.0 uses opaque structs, we'll reuse these. */
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+typedef struct hmac_ctx_st ntlm_hmac_ctx;
+#else
+# define ntlm_hmac_ctx HMAC_CTX
+#endif
+
+#endif /* PRIVATE_CRYPT_OPENSSL_H__ */

node_modules/nodegit/vendor/libgit2/deps/ntlmclient/ntlm.h

@@ -0,0 +1,174 @@
+/*
+ * Copyright (c) Edward Thomson.  All rights reserved.
+ *
+ * This file is part of ntlmclient, distributed under the MIT license.
+ * For full terms and copyright information, and for third-party
+ * copyright information, see the included LICENSE.txt file.
+ */
+
+#ifndef PRIVATE_NTLM_H__
+#define PRIVATE_NTLM_H__
+
+#include "ntlmclient.h"
+#include "unicode.h"
+#include "crypt.h"
+#include "compat.h"
+
+#define NTLM_LM_RESPONSE_LEN 24
+#define NTLM_NTLM_RESPONSE_LEN 24
+#define NTLM_NTLM_HASH_LEN 16
+#define NTLM_NTLM2_HASH_LEN 16
+
+#define NTLM_SIGNATURE { 'N', 'T', 'L', 'M', 'S', 'S', 'P', 0x00 }
+
+#define NTLM_LM_PLAINTEXT { 0x4b, 0x47, 0x53, 0x21, 0x40, 0x23, 0x24, 0x25 }
+
+typedef enum {
+	NTLM_STATE_NEGOTIATE = 0,
+	NTLM_STATE_CHALLENGE = 1,
+	NTLM_STATE_RESPONSE = 2,
+	NTLM_STATE_ERROR = 3,
+	NTLM_STATE_COMPLETE = 4,
+} ntlm_state;
+
+typedef struct {
+	unsigned char *buf;
+	size_t pos;
+	size_t len;
+} ntlm_buf;
+
+typedef struct {
+	uint8_t major;
+	uint8_t minor;
+	uint16_t build;
+	uint32_t reserved;
+} ntlm_version;
+
+typedef struct {
+	uint32_t flags;
+	uint64_t nonce;
+	ntlm_version target_version;
+
+	/* The unparsed target information from the server */
+	unsigned char *target_info;
+	size_t target_info_len;
+
+	/* The target information parsed into usable strings */
+	char *target;
+	char *target_server;
+	char *target_domain;
+	char *target_server_dns;
+	char *target_domain_dns;
+} ntlm_challenge;
+
+struct ntlm_client {
+	ntlm_client_flags flags;
+
+	ntlm_state state;
+
+	/* crypto contexts */
+	ntlm_hmac_ctx *hmac_ctx;
+	ntlm_unicode_ctx *unicode_ctx;
+
+	/* error message as set by the library */
+	const char *errmsg;
+
+	char *hostname;
+	char *hostdomain;
+	ntlm_version host_version;
+
+	char *target;
+
+	char *username;
+	char *username_upper;
+	char *userdomain;
+	char *password;
+
+	/* strings as converted to utf16 */
+	char *target_utf16;
+	char *username_utf16;
+	char *username_upper_utf16;
+	char *userdomain_utf16;
+	char *hostname_utf16;
+	char *password_utf16;
+
+	/* timestamp and nonce; only for debugging */
+	uint64_t nonce;
+	uint64_t timestamp;
+
+	size_t username_utf16_len;
+	size_t username_upper_utf16_len;
+	size_t userdomain_utf16_len;
+	size_t hostname_utf16_len;
+	size_t password_utf16_len;
+	size_t target_utf16_len;
+
+	unsigned char lm_response[NTLM_LM_RESPONSE_LEN];
+	size_t lm_response_len;
+
+	unsigned char ntlm_response[NTLM_NTLM_RESPONSE_LEN];
+	size_t ntlm_response_len;
+
+	unsigned char *ntlm2_response;
+	size_t ntlm2_response_len;
+
+	ntlm_buf negotiate;
+	ntlm_challenge challenge;
+	ntlm_buf response;
+};
+
+typedef enum {
+	NTLM_ENABLE_HOSTVERSION = (1 << 31),
+} ntlm_client_internal_flags;
+
+typedef enum {
+	NTLM_TARGET_INFO_END = 0,
+	NTLM_TARGET_INFO_SERVER = 1,
+	NTLM_TARGET_INFO_DOMAIN = 2,
+	NTLM_TARGET_INFO_SERVER_DNS = 3,
+	NTLM_TARGET_INFO_DOMAIN_DNS = 4,
+} ntlm_target_info_type_t;
+
+typedef enum {
+	/* Unicode strings are supported in security buffers */
+	NTLM_NEGOTIATE_UNICODE = 0x00000001,
+
+	/* OEM (ANSI) strings are supported in security buffers */
+	NTLM_NEGOTIATE_OEM = 0x00000002,
+
+	/* Request the target realm from the server */
+	NTLM_NEGOTIATE_REQUEST_TARGET = 0x00000004,
+
+	/* NTLM authentication is supported */
+	NTLM_NEGOTIATE_NTLM = 0x00000200,
+
+	/* Negotiate domain name */
+	NTLM_NEGOTIATE_DOMAIN_SUPPLIED = 0x00001000,
+
+	/* Negotiate workstation (client) name */
+	NTLM_NEGOTIATE_WORKSTATION_SUPPLIED = 0x00002000,
+
+	/* Indicates that a local context is available */
+	NTLM_NEGOTIATE_LOCAL_CALL = 0x00004000,
+
+	/* Request a dummy signature */
+	NTLM_NEGOTIATE_ALWAYS_SIGN = 0x00008000,
+
+	/* Target (server) is a domain */
+	NTLM_NEGOTIATE_TYPE_DOMAIN = 0x00010000,
+
+	/* NTLM2 signing and sealing is supported */
+	NTLM_NEGOTIATE_NTLM2_SIGN_AND_SEAL = 0x00080000,
+
+	/* A target information block is included */
+	NTLM_NEGOTIATE_TARGET_INFO = 0x00800000,
+
+	/* Version information should be provided */
+	NTLM_NEGOTIATE_VERSION = 0x01000000,
+} ntlm_negotiate_t;
+
+extern int ntlm_client_set_nonce(ntlm_client *ntlm, uint64_t nonce);
+extern int ntlm_client_set_timestamp(ntlm_client *ntlm, uint64_t timestamp);
+extern void ntlm_client_set_errmsg(ntlm_client *ntlm, const char *errmsg);
+
+#endif /* PRIVATE_NTLM_H__ */

node_modules/nodegit/vendor/libgit2/deps/ntlmclient/ntlmclient.h

@@ -0,0 +1,320 @@
+/*
+ * Copyright (c) Edward Thomson.  All rights reserved.
+ *
+ * This file is part of ntlmclient, distributed under the MIT license.
+ * For full terms and copyright information, and for third-party
+ * copyright information, see the included LICENSE.txt file.
+ */
+#ifndef INCLUDE_NTLMCLIENT_H__
+#define INCLUDE_NTLMCLIENT_H__
+
+#include <stdlib.h>
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define NTLM_CLIENT_VERSION         "0.0.1"
+#define NTLM_CLIENT_VERSION_MAJOR   0
+#define NTLM_CLIENT_VERSION_MINOR   0
+#define NTLM_CLIENT_VERSION_TEENY   1
+
+typedef struct ntlm_client ntlm_client;
+
+/*
+ * Flags for initializing the `ntlm_client` context.  A combination of
+ * these flags can be provided to `ntlm_client_init`.
+ */
+typedef enum {
+	/** Default settings for the `ntlm_client`. */
+	NTLM_CLIENT_DEFAULTS               = 0,
+
+	/**
+	 * Disable Unicode negotiation.  By default, strings are converted
+	 * into UTF-16 when supplied to the remote host, but if this flag
+	 * is specified, localizable strings (like username and password)
+	 * will only be sent to the server as they were provided to the
+	 * library.  Since the NTLM protocol does not deliver the locale
+	 * information, these will be interpreted by the remote host in
+	 * whatever locale is configured, and likely be corrupted unless
+	 * you limit yourself to ASCII.
+	 *
+	 * You are discouraged from setting this flag.
+	 */
+	NTLM_CLIENT_DISABLE_UNICODE        = (1 << 0),
+
+	/*
+	 * Enable LM ("Lan Manager") authentication support.  By default,
+	 * LM authentication is disabled, since most remote servers have
+	 * disabled support for it, and because it is both trivially
+	 * brute-forced _and_ subject to rainbow table lookups.  If this
+	 * flag is enabled, LM is still not used unless NTLM2 support is
+	 * also disabled.
+	 *
+	 * You are discouraged from setting this flag.
+	 */
+	NTLM_CLIENT_ENABLE_LM              = (1 << 1),
+
+	/*
+	 * Enable NTLM ("Lan Manager") authentication support.  By default,
+	 * NTLM authentication is disabled, since most remote servers have
+	 * disabled support for it, due to its weakness.  If this flag is
+	 * enabled, NTLM is still not used unless NTLM2 support is also
+	 * disabled.
+	 *
+	 * You are discouraged from setting this flag.
+	 */
+	NTLM_CLIENT_ENABLE_NTLM            = (1 << 2),
+
+	/*
+	 * Disable NTLM2 authentication support.  By default, _only_ NTLM2
+	 * support is enabled, since most remote servers will only support
+	 * it due to its (relative) lack of weakness.  If this flag is
+	 * set, either NTLM or LM (or both) must be explicitly enabled or
+	 * there will be no mechanisms available to use.
+	 *
+	 * You are discouraged from setting this flag.
+	 */
+	NTLM_CLIENT_DISABLE_NTLM2          = (1 << 3),
+
+	/*
+	 * Request the target's name.  By default, you are expected to
+	 * provide the name of the target you are authenticating to (eg,
+	 * the remote hostname).  If set, the remote host will provide
+	 * its idea of its hostname in the challenge message.  You may
+	 * then set the authentication target based on it.
+	 */
+	NTLM_CLIENT_DISABLE_REQUEST_TARGET = (1 << 4),
+} ntlm_client_flags;
+
+
+/** Declare a public function exported for application use. */
+#if __GNUC__ >= 4 && !defined(NTLM_STATIC)
+# define NTLM_EXTERN(type) extern \
+             __attribute__((visibility("default"))) \
+             type
+#elif defined(_MSC_VER) && !defined(NTLM_STATIC)
+# define NTLM_EXTERN(type) __declspec(dllexport) type
+#else
+# define NTLM_EXTERN(type) extern type
+#endif
+
+/**
+ * Initializes an `ntlm_client` context, which can begin sending
+ * and receiving NTLM authentication messages.
+ *
+ * @param flags the `ntlm_client_flag_t`s to use for negotiation.
+ * @return the `ntlm_client` context, or `NULL` if out-of-memory.
+ */
+NTLM_EXTERN(ntlm_client *) ntlm_client_init(ntlm_client_flags flags);
+
+/**
+ * Gets the error message for the most recent error that occurred.  If
+ * a function returns an error, more details can be retrieved with this
+ * function.  The string returned is a constant string; it should not
+ * be freed.
+ *
+ * @return a constant string containing the error message.
+ */
+NTLM_EXTERN(const char *) ntlm_client_errmsg(ntlm_client *ntlm);
+
+/**
+ * Sets the local hostname and domain.  These strings should be in
+ * ASCII.  They will be provided to the remote host during the
+ * negotiation phase.
+ *
+ * @param ntlm the `ntlm_client` context to configure
+ * @param hostname the hostname of the local machine
+ * @param domain the domain of the local machine
+ * @return 0 on success, non-zero on failure
+ */
+NTLM_EXTERN(int) ntlm_client_set_hostname(
+	ntlm_client *ntlm,
+	const char *hostname,
+	const char *domain);
+
+/**
+ * Sets the local operating system version.  These numbers are expected
+ * to correspond to Windows operating system versions; for example
+ * major version 6, minor version 2, build 9200 would correspond to
+ * Windows 8 (aka "NT 6.2").
+ *
+ * It is not likely that you need to set the local version.
+ *
+ * @param ntlm the `ntlm_client` context to configure
+ * @param major the major version number of the local operating system
+ * @param minor the minor version number of the local operating system
+ * @param build the build number of the local operating system
+ * @return 0 on success, non-zero on failure
+ */
+NTLM_EXTERN(int) ntlm_client_set_version(
+	ntlm_client *ntlm,
+	uint8_t major,
+	uint8_t minor,
+	uint16_t build);
+
+/**
+ * Sets the username and password to authenticate with to the remote
+ * host.  Username and password may be specified in UTF-8 but the
+ * domain should be in ASCII.  These will not be sent to the remote host
+ * but will instead be used to compute the LM, NTLM or NTLM2 responses,
+ * which will be provided to the remote host during the response phase.
+ *
+ * @param ntlm the `ntlm_client` context to configure
+ * @param username the username to authenticate with
+ * @param domain the domain of the user authenticating
+ * @param password the password to authenticate with
+ * @return 0 on success, non-zero on failure
+ */
+NTLM_EXTERN(int) ntlm_client_set_credentials(
+	ntlm_client *ntlm,
+	const char *username,
+	const char *domain,
+	const char *password);
+
+/**
+ * Sets the authentication target, your idea of the remote host's
+ * name.  The target should be provided as ASCII.  It will be
+ * provided to the remote host during the response phase.
+ *
+ * @param ntlm the `ntlm_client` context to configure
+ * @param target the name of the authentication target
+ * @return 0 on success, non-zero on failure
+ */
+NTLM_EXTERN(int) ntlm_client_set_target(
+	ntlm_client *ntlm,
+	const char *target);
+
+/**
+ * Gets the remote host's nonce, as it was provided in the challenge
+ * message.  This is an opaque 8 byte value that is used to compute
+ * the LM, NTLM and NTLM2 responses.
+ *
+ * @param ntlm the `ntlm_client` context to query
+ * @return the challenge from the remote host
+ */
+NTLM_EXTERN(uint64_t) ntlm_client_challenge_nonce(
+	ntlm_client *ntlm);
+
+/**
+ * Gets the remote hosts's target name, which can be used as the
+ * authentication target.  This will be given as it was provided
+ * in the challenge message.
+ *
+ * @param ntlm the `ntlm_client` context to query
+ * @return the remote host's target name
+ */
+NTLM_EXTERN(const char *) ntlm_client_target(ntlm_client *ntlm);
+
+/**
+ * Gets the remote hosts's name, which is generally its short name.
+ * This will be given as it was provided in the challenge message.
+ *
+ * @param ntlm the `ntlm_client` context to query
+ * @return the remote host's server name
+ */
+NTLM_EXTERN(const char *) ntlm_client_target_server(ntlm_client *ntlm);
+
+/**
+ * Gets the remote hosts's domain, which is generally the short or
+ * NT-style domain name.  This will be given as it was provided in
+ * the challenge message.
+ *
+ * @param ntlm the `ntlm_client` context to query
+ * @return the remote host's domain
+ */
+NTLM_EXTERN(const char *) ntlm_client_target_domain(ntlm_client *ntlm);
+
+/**
+ * Gets the remote hosts's DNS name, which is generally the long-style
+ * Active Directory or fully-qualified hostname.  This will be given
+ * as it was provided in the challenge message.
+ *
+ * @param ntlm the `ntlm_client` context to query
+ * @return the remote host's DNS name
+ */
+NTLM_EXTERN(const char *) ntlm_client_target_server_dns(ntlm_client *ntlm);
+
+/**
+ * Gets the remote hosts's DNS domain, which is generally the long-style
+ * Active Directory or fully-qualified domain name.  This will be given
+ * as it was provided in the challenge message.
+ *
+ * @param ntlm the `ntlm_client` context to query
+ * @return the remote host's DNS domain
+ */
+NTLM_EXTERN(const char *) ntlm_client_target_domain_dns(ntlm_client *ntlm);
+
+/**
+ * Computes a negotiation message (aka a "Type 1" message) to begin
+ * NTLM authentication with the server.  The local hostname should be
+ * set before calling this function (if necessary).  This message
+ * should be delivered to the server to indicate a willingness to begin
+ * NTLM authentication.  This buffer should not be freed by the caller.
+ *
+ * @param out a pointer to the negotiation message
+ * @param out_len a pointer to the length of the negotiation message
+ * @param ntlm the `ntlm_client` context
+ * @return 0 on success, non-zero on failure
+ */
+NTLM_EXTERN(int) ntlm_client_negotiate(
+	const unsigned char **out,
+	size_t *out_len,
+	ntlm_client *ntlm);
+
+/**
+ * Parses a challenge message (aka a "Type 2" message) from the server.
+ * This must be called in order to calculate the response to the
+ * authentication.
+ *
+ * @param ntlm the `ntlm_client` context
+ * @param message the challenge message from the server
+ * @param message_len the length of the challenge message
+ * @return 0 on success, non-zero on failure
+ */
+NTLM_EXTERN(int) ntlm_client_set_challenge(
+	ntlm_client *ntlm,
+	const unsigned char *message,
+	size_t message_len);
+
+/**
+ * Computes a response message (aka a "Type 3" message) to complete
+ * NTLM authentication with the server.  The credentials should be
+ * set before calling this function.  This message should be delivered
+ * to the server to complete authentication.  This buffer should not
+ * be freed by the caller.
+ *
+ * @param out a pointer to the response message
+ * @param out_len a pointer to the length of the response message
+ * @param ntlm the `ntlm_client` context
+ * @return 0 on success, non-zero on failure
+ */
+NTLM_EXTERN(int) ntlm_client_response(
+	const unsigned char **out,
+	size_t *out_len,
+	ntlm_client *ntlm);
+
+/**
+ * Resets an `ntlm_client` context completely, so that authentication
+ * may be retried.  You must set _all_ parameters again, including the
+ * target, username, password, etc.  Once these values are configured
+ * again, the negotiation can begin.
+ *
+ * @param ntlm the `ntlm_client` context to reset
+ */
+NTLM_EXTERN(void) ntlm_client_reset(ntlm_client *ntlm);
+
+/**
+ * Frees an `ntlm_client` context.  This should be done to free memory
+ * belonging to the context.  The context cannot be reused.
+ *
+ * @param ntlm the `ntlm_client` context to free
+ */
+NTLM_EXTERN(void) ntlm_client_free(ntlm_client *ntlm);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* INCLUDE_NTLMCLIENT_H__ */

node_modules/nodegit/vendor/libgit2/deps/ntlmclient/unicode.h

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) Edward Thomson.  All rights reserved.
+ *
+ * This file is part of ntlmclient, distributed under the MIT license.
+ * For full terms and copyright information, and for third-party
+ * copyright information, see the included LICENSE.txt file.
+ */
+
+#ifndef PRIVATE_UNICODE_H__
+#define PRIVATE_UNICODE_H__
+
+#include "compat.h"
+
+#define NTLM_UNICODE_MAX_LEN	2048
+
+typedef struct ntlm_unicode_ctx ntlm_unicode_ctx;
+
+extern ntlm_unicode_ctx *ntlm_unicode_ctx_init(ntlm_client *ntlm);
+
+bool ntlm_unicode_utf8_to_16(
+	char **converted,
+	size_t *converted_len,
+	ntlm_unicode_ctx *ctx,
+	const char *string,
+	size_t string_len);
+
+bool ntlm_unicode_utf16_to_8(
+	char **converted,
+	size_t *converted_len,
+	ntlm_unicode_ctx *ctx,
+	const char *string,
+	size_t string_len);
+
+extern void ntlm_unicode_ctx_free(ntlm_unicode_ctx *ctx);
+
+#endif /* PRIVATE_UNICODE_H__ */

node_modules/nodegit/vendor/libgit2/deps/ntlmclient/unicode_builtin.c

@@ -0,0 +1,445 @@
+/*
+ * Copyright (c) Edward Thomson.  All rights reserved.
+ *
+ * This file is part of ntlmclient, distributed under the MIT license.
+ * For full terms and copyright information, and for third-party
+ * copyright information, see the included LICENSE.txt file.
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+
+#include "ntlm.h"
+#include "unicode.h"
+#include "compat.h"
+
+struct ntlm_unicode_ctx {
+	ntlm_client *ntlm;
+};
+
+typedef unsigned int    UTF32;   /* at least 32 bits */
+typedef unsigned short  UTF16;   /* at least 16 bits */
+typedef unsigned char   UTF8;    /* typically 8 bits */
+
+/* Some fundamental constants */
+#define UNI_REPLACEMENT_CHAR (UTF32)0x0000FFFD
+#define UNI_MAX_BMP (UTF32)0x0000FFFF
+#define UNI_MAX_UTF16 (UTF32)0x0010FFFF
+#define UNI_MAX_UTF32 (UTF32)0x7FFFFFFF
+#define UNI_MAX_LEGAL_UTF32 (UTF32)0x0010FFFF
+
+#define UNI_MAX_UTF8_BYTES_PER_CODE_POINT 4
+
+typedef enum {
+	conversionOK,           /* conversion successful */
+	sourceExhausted,        /* partial character in source, but hit end */
+	targetExhausted,        /* insuff. room in target for conversion */
+	sourceIllegal           /* source sequence is illegal/malformed */
+} ConversionResult;
+
+typedef enum {
+	strictConversion = 0,
+	lenientConversion
+} ConversionFlags;
+
+
+static const int halfShift  = 10; /* used for shifting by 10 bits */
+
+static const UTF32 halfBase = 0x0010000UL;
+static const UTF32 halfMask = 0x3FFUL;
+
+#define UNI_SUR_HIGH_START  (UTF32)0xD800
+#define UNI_SUR_HIGH_END    (UTF32)0xDBFF
+#define UNI_SUR_LOW_START   (UTF32)0xDC00
+#define UNI_SUR_LOW_END     (UTF32)0xDFFF
+#define false       0
+#define true        1
+
+/* --------------------------------------------------------------------- */
+
+/*
+ * Index into the table below with the first byte of a UTF-8 sequence to
+ * get the number of trailing bytes that are supposed to follow it.
+ * Note that *legal* UTF-8 values can't have 4 or 5-bytes. The table is
+ * left as-is for anyone who may want to do such conversion, which was
+ * allowed in earlier algorithms.
+ */
+static const char trailingBytesForUTF8[256] = {
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+    1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
+    2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 3,3,3,3,3,3,3,3,4,4,4,4,5,5,5,5
+};
+
+/*
+ * Magic values subtracted from a buffer value during UTF8 conversion.
+ * This table contains as many values as there might be trailing bytes
+ * in a UTF-8 sequence.
+ */
+static const UTF32 offsetsFromUTF8[6] = {
+	0x00000000UL, 0x00003080UL, 0x000E2080UL,
+	0x03C82080UL, 0xFA082080UL, 0x82082080UL };
+
+/*
+ * Once the bits are split out into bytes of UTF-8, this is a mask OR-ed
+ * into the first byte, depending on how many bytes follow.  There are
+ * as many entries in this table as there are UTF-8 sequence types.
+ * (I.e., one byte sequence, two byte... etc.). Remember that sequencs
+ * for *legal* UTF-8 will be 4 or fewer bytes total.
+ */
+static const UTF8 firstByteMark[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC };
+
+/* --------------------------------------------------------------------- */
+
+/* The interface converts a whole buffer to avoid function-call overhead.
+ * Constants have been gathered. Loops & conditionals have been removed as
+ * much as possible for efficiency, in favor of drop-through switches.
+ * (See "Note A" at the bottom of the file for equivalent code.)
+ * If your compiler supports it, the "isLegalUTF8" call can be turned
+ * into an inline function.
+ */
+
+static ConversionResult ConvertUTF16toUTF8 (
+        const UTF16** sourceStart, const UTF16* sourceEnd,
+        UTF8** targetStart, UTF8* targetEnd, ConversionFlags flags) {
+    ConversionResult result = conversionOK;
+    const UTF16* source = *sourceStart;
+    UTF8* target = *targetStart;
+    while (source < sourceEnd) {
+        UTF32 ch;
+        unsigned short bytesToWrite = 0;
+        const UTF32 byteMask = 0xBF;
+        const UTF32 byteMark = 0x80;
+        const UTF16* oldSource = source; /* In case we have to back up because of target overflow. */
+        ch = *source++;
+        /* If we have a surrogate pair, convert to UTF32 first. */
+        if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_HIGH_END) {
+            /* If the 16 bits following the high surrogate are in the source buffer... */
+            if (source < sourceEnd) {
+                UTF32 ch2 = *source;
+                /* If it's a low surrogate, convert to UTF32. */
+                if (ch2 >= UNI_SUR_LOW_START && ch2 <= UNI_SUR_LOW_END) {
+                    ch = ((ch - UNI_SUR_HIGH_START) << halfShift)
+                        + (ch2 - UNI_SUR_LOW_START) + halfBase;
+                    ++source;
+                } else if (flags == strictConversion) { /* it's an unpaired high surrogate */
+                    --source; /* return to the illegal value itself */
+                    result = sourceIllegal;
+                    break;
+                }
+            } else { /* We don't have the 16 bits following the high surrogate. */
+                --source; /* return to the high surrogate */
+                result = sourceExhausted;
+                break;
+            }
+        } else if (flags == strictConversion) {
+            /* UTF-16 surrogate values are illegal in UTF-32 */
+            if (ch >= UNI_SUR_LOW_START && ch <= UNI_SUR_LOW_END) {
+                --source; /* return to the illegal value itself */
+                result = sourceIllegal;
+                break;
+            }
+        }
+        /* Figure out how many bytes the result will require */
+        if (ch < (UTF32)0x80) {      bytesToWrite = 1;
+        } else if (ch < (UTF32)0x800) {     bytesToWrite = 2;
+        } else if (ch < (UTF32)0x10000) {   bytesToWrite = 3;
+        } else if (ch < (UTF32)0x110000) {  bytesToWrite = 4;
+        } else {                            bytesToWrite = 3;
+                                            ch = UNI_REPLACEMENT_CHAR;
+        }
+
+        target += bytesToWrite;
+        if (target > targetEnd) {
+            source = oldSource; /* Back up source pointer! */
+            target -= bytesToWrite; result = targetExhausted; break;
+        }
+        switch (bytesToWrite) { /* note: everything falls through. */
+            case 4: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6;
+            case 3: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6;
+            case 2: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6;
+            case 1: *--target =  (UTF8)(ch | firstByteMark[bytesToWrite]);
+        }
+        target += bytesToWrite;
+    }
+    *sourceStart = source;
+    *targetStart = target;
+    return result;
+}
+
+/* --------------------------------------------------------------------- */
+
+/*
+ * Utility routine to tell whether a sequence of bytes is legal UTF-8.
+ * This must be called with the length pre-determined by the first byte.
+ * If not calling this from ConvertUTF8to*, then the length can be set by:
+ *  length = trailingBytesForUTF8[*source]+1;
+ * and the sequence is illegal right away if there aren't that many bytes
+ * available.
+ * If presented with a length > 4, this returns false.  The Unicode
+ * definition of UTF-8 goes up to 4-byte sequences.
+ */
+
+static inline bool isLegalUTF8(const UTF8 *source, int length) {
+    UTF8 a;
+    const UTF8 *srcptr = source+length;
+    switch (length) {
+    default: return false;
+        /* Everything else falls through when "true"... */
+    case 4: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return false;
+    case 3: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return false;
+    case 2: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return false;
+
+        switch (*source) {
+            /* no fall-through in this inner switch */
+            case 0xE0: if (a < 0xA0) return false; break;
+            case 0xED: if (a > 0x9F) return false; break;
+            case 0xF0: if (a < 0x90) return false; break;
+            case 0xF4: if (a > 0x8F) return false; break;
+            default:   if (a < 0x80) return false;
+        }
+
+    case 1: if (*source >= 0x80 && *source < 0xC2) return false;
+    }
+    if (*source > 0xF4) return false;
+    return true;
+}
+
+static ConversionResult ConvertUTF8toUTF16 (
+        const UTF8** sourceStart, const UTF8* sourceEnd,
+        UTF16** targetStart, UTF16* targetEnd, ConversionFlags flags) {
+    ConversionResult result = conversionOK;
+    const UTF8* source = *sourceStart;
+    UTF16* target = *targetStart;
+    while (source < sourceEnd) {
+        UTF32 ch = 0;
+        unsigned short extraBytesToRead = trailingBytesForUTF8[*source];
+        if (extraBytesToRead >= sourceEnd - source) {
+            result = sourceExhausted; break;
+        }
+        /* Do this check whether lenient or strict */
+        if (!isLegalUTF8(source, extraBytesToRead+1)) {
+            result = sourceIllegal;
+            break;
+        }
+        /*
+         * The cases all fall through. See "Note A" below.
+         */
+        switch (extraBytesToRead) {
+            case 5: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */
+            case 4: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */
+            case 3: ch += *source++; ch <<= 6;
+            case 2: ch += *source++; ch <<= 6;
+            case 1: ch += *source++; ch <<= 6;
+            case 0: ch += *source++;
+        }
+        ch -= offsetsFromUTF8[extraBytesToRead];
+
+        if (target >= targetEnd) {
+            source -= (extraBytesToRead+1); /* Back up source pointer! */
+            result = targetExhausted; break;
+        }
+        if (ch <= UNI_MAX_BMP) { /* Target is a character <= 0xFFFF */
+            /* UTF-16 surrogate values are illegal in UTF-32 */
+            if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) {
+                if (flags == strictConversion) {
+                    source -= (extraBytesToRead+1); /* return to the illegal value itself */
+                    result = sourceIllegal;
+                    break;
+                } else {
+                    *target++ = UNI_REPLACEMENT_CHAR;
+                }
+            } else {
+                *target++ = (UTF16)ch; /* normal case */
+            }
+        } else if (ch > UNI_MAX_UTF16) {
+            if (flags == strictConversion) {
+                result = sourceIllegal;
+                source -= (extraBytesToRead+1); /* return to the start */
+                break; /* Bail out; shouldn't continue */
+            } else {
+                *target++ = UNI_REPLACEMENT_CHAR;
+            }
+        } else {
+            /* target is a character in range 0xFFFF - 0x10FFFF. */
+            if (target + 1 >= targetEnd) {
+                source -= (extraBytesToRead+1); /* Back up source pointer! */
+                result = targetExhausted; break;
+            }
+            ch -= halfBase;
+            *target++ = (UTF16)((ch >> halfShift) + UNI_SUR_HIGH_START);
+            *target++ = (UTF16)((ch & halfMask) + UNI_SUR_LOW_START);
+        }
+    }
+    *sourceStart = source;
+    *targetStart = target;
+    return result;
+}
+
+
+ntlm_unicode_ctx *ntlm_unicode_ctx_init(ntlm_client *ntlm)
+{
+	ntlm_unicode_ctx *ctx;
+
+	if ((ctx = malloc(sizeof(ntlm_unicode_ctx))) == NULL)
+		return NULL;
+
+	ctx->ntlm = ntlm;
+	return ctx;
+}
+
+typedef enum {
+	unicode_builtin_utf8_to_16,
+	unicode_builtin_utf16_to_8
+} unicode_builtin_encoding_direction;
+
+static inline bool unicode_builtin_encoding_convert(
+	char **converted,
+	size_t *converted_len,
+	ntlm_unicode_ctx *ctx,
+	const char *string,
+	size_t string_len,
+	unicode_builtin_encoding_direction direction)
+{
+	const char *in_start, *in_end;
+	char *out, *out_start, *out_end, *new_out;
+	size_t out_size, out_len;
+	bool success = false;
+	ConversionResult result;
+
+	*converted = NULL;
+	*converted_len = 0;
+
+	in_start = string;
+	in_end = in_start + string_len;
+
+	/*
+	 * When translating UTF8 to UTF16, these strings are only used
+	 * internally, and we obey the given length, so we can simply
+	 * use a buffer that is 2x the size.  Add an extra byte to NUL
+	 * terminate the results (two bytes for UTF16).
+	 */
+	if (direction == unicode_builtin_utf8_to_16)
+		out_size = (string_len * 2 + 2);
+	else
+		out_size = (string_len / 2 + 1);
+
+	/* Round to the nearest multiple of 8 */
+	out_size = (out_size + 7) & ~7;
+
+	if ((out = malloc(out_size)) == NULL) {
+		ntlm_client_set_errmsg(ctx->ntlm, "out of memory");
+		return false;
+	}
+
+	out_start = out;
+	out_end = out_start + out_size;
+
+	/* Make room for NUL termination */
+	if (direction == unicode_builtin_utf16_to_8)
+		out_end--;
+
+	while (true) {
+		if (direction == unicode_builtin_utf8_to_16)
+			result = ConvertUTF8toUTF16(
+				(const UTF8 **)&in_start, (UTF8 *)in_end,
+				(UTF16 **)&out_start, (UTF16 *)out_end, strictConversion);
+		else
+			result = ConvertUTF16toUTF8(
+				(const UTF16 **)&in_start, (UTF16 *)in_end,
+				(UTF8 **)&out_start, (UTF8 *)out_end, lenientConversion);
+
+		switch (result) {
+			case conversionOK:
+				success = true;
+				goto done;
+			case sourceExhausted:
+				ntlm_client_set_errmsg(ctx->ntlm,
+					"invalid unicode string; trailing data remains");
+				goto done;
+			case targetExhausted:
+				break;
+			case sourceIllegal:
+				ntlm_client_set_errmsg(ctx->ntlm,
+					"invalid unicode string; trailing data remains");
+				goto done;
+			default:
+				ntlm_client_set_errmsg(ctx->ntlm,
+					"unknown unicode conversion failure");
+				goto done;
+		}
+
+		/* Grow buffer size by 1.5 (rounded up to a multiple of 8) */
+		out_size = ((((out_size << 1) - (out_size >> 1)) + 7) & ~7);
+
+		if (out_size > NTLM_UNICODE_MAX_LEN) {
+			ntlm_client_set_errmsg(ctx->ntlm,
+				"unicode conversion too large");
+			goto done;
+		}
+
+		if ((new_out = realloc(out, out_size)) == NULL) {
+			ntlm_client_set_errmsg(ctx->ntlm, "out of memory");
+			goto done;
+		}
+
+		out_len = out_start - out;
+
+		out = new_out;
+		out_start = new_out + out_len;
+		out_end = out + out_size;
+
+		/* Make room for NUL termination */
+		out_end -= (direction == unicode_builtin_utf8_to_16) ? 2 : 1;
+	}
+
+done:
+	if (!success) {
+		free(out);
+		return false;
+	}
+
+	out_len = (out_start - out);
+
+	/* NUL terminate */
+	out[out_len] = '\0';
+
+	if (direction == unicode_builtin_utf8_to_16)
+		out[out_len+1] = '\0';
+
+	*converted = out;
+	*converted_len = out_len;
+	return true;
+}
+
+bool ntlm_unicode_utf8_to_16(
+	char **converted,
+	size_t *converted_len,
+	ntlm_unicode_ctx *ctx,
+	const char *string,
+	size_t string_len)
+{
+	return unicode_builtin_encoding_convert(converted, converted_len,
+		ctx, string, string_len, unicode_builtin_utf8_to_16);
+}
+
+bool ntlm_unicode_utf16_to_8(
+	char **converted,
+	size_t *converted_len,
+	ntlm_unicode_ctx *ctx,
+	const char *string,
+	size_t string_len)
+{
+	return unicode_builtin_encoding_convert(converted, converted_len,
+		ctx, string, string_len, unicode_builtin_utf16_to_8);
+}
+
+void ntlm_unicode_ctx_free(ntlm_unicode_ctx *ctx)
+{
+	if (ctx)
+		free(ctx);
+}

node_modules/nodegit/vendor/libgit2/deps/ntlmclient/unicode_iconv.c

@@ -0,0 +1,201 @@
+/*
+ * Copyright (c) Edward Thomson.  All rights reserved.
+ *
+ * This file is part of ntlmclient, distributed under the MIT license.
+ * For full terms and copyright information, and for third-party
+ * copyright information, see the included LICENSE.txt file.
+ */
+
+#include <locale.h>
+#include <iconv.h>
+#include <string.h>
+#include <errno.h>
+
+#include "ntlmclient.h"
+#include "unicode.h"
+#include "ntlm.h"
+#include "compat.h"
+
+struct ntlm_unicode_ctx {
+	ntlm_client *ntlm;
+	iconv_t utf8_to_16;
+	iconv_t utf16_to_8;
+};
+
+ntlm_unicode_ctx *ntlm_unicode_ctx_init(ntlm_client *ntlm)
+{
+	ntlm_unicode_ctx *ctx;
+
+	if ((ctx = calloc(1, sizeof(ntlm_unicode_ctx))) == NULL)
+		return NULL;
+
+	ctx->ntlm = ntlm;
+	ctx->utf8_to_16 = (iconv_t)-1;
+	ctx->utf16_to_8 = (iconv_t)-1;
+
+	return ctx;
+}
+
+typedef enum {
+	unicode_iconv_utf8_to_16,
+	unicode_iconv_utf16_to_8
+} unicode_iconv_encoding_direction;
+
+static inline bool unicode_iconv_init(ntlm_unicode_ctx *ctx)
+{
+	if (ctx->utf8_to_16 != (iconv_t)-1 || ctx->utf16_to_8 != (iconv_t)-1)
+		return true;
+
+	if ((ctx->utf8_to_16 = iconv_open("UTF-16LE", "UTF-8")) == (iconv_t)-1 ||
+		(ctx->utf16_to_8 = iconv_open("UTF-8", "UTF-16LE")) == (iconv_t)-1) {
+		if (errno == EINVAL)
+			ntlm_client_set_errmsg(ctx->ntlm,
+				"iconv does not support UTF8 <-> UTF16 conversion");
+		else
+			ntlm_client_set_errmsg(ctx->ntlm, strerror(errno));
+
+		return false;
+	}
+
+	return true;
+}
+
+static inline bool unicode_iconv_encoding_convert(
+	char **converted,
+	size_t *converted_len,
+	ntlm_unicode_ctx *ctx,
+	const char *string,
+	size_t string_len,
+	unicode_iconv_encoding_direction direction)
+{
+	char *in_start, *out_start, *out, *new_out;
+	size_t in_start_len, out_start_len, out_size, nul_size, ret, written = 0;
+	iconv_t converter;
+
+	*converted = NULL;
+	*converted_len = 0;
+
+	if (!unicode_iconv_init(ctx))
+		return false;
+
+	/*
+	 * When translating UTF8 to UTF16, these strings are only used
+	 * internally, and we obey the given length, so we can simply
+	 * use a buffer that is 2x the size.  When translating from UTF16
+	 * to UTF8, we may need to return to callers, so we need to NUL
+	 * terminate and expect an extra byte for UTF8, two for UTF16.
+	 */
+	if (direction == unicode_iconv_utf8_to_16) {
+		converter = ctx->utf8_to_16;
+		out_size = (string_len * 2) + 2;
+		nul_size = 2;
+	} else {
+		converter = ctx->utf16_to_8;
+		out_size = (string_len / 2) + 1;
+		nul_size = 1;
+	}
+
+	/* Round to the nearest multiple of 8 */
+	out_size = (out_size + 7) & ~7;
+
+	if ((out = malloc(out_size)) == NULL) {
+		ntlm_client_set_errmsg(ctx->ntlm, "out of memory");
+		return false;
+	}
+
+	in_start = (char *)string;
+	in_start_len = string_len;
+
+	while (true) {
+		out_start = out + written;
+		out_start_len = (out_size - nul_size) - written;
+
+		ret = iconv(converter, &in_start, &in_start_len, &out_start, &out_start_len);
+		written = (out_size - nul_size) - out_start_len;
+
+		if (ret == 0)
+			break;
+
+		if (ret == (size_t)-1 && errno != E2BIG) {
+			ntlm_client_set_errmsg(ctx->ntlm, strerror(errno));
+			goto on_error;
+		}
+
+		/* Grow buffer size by 1.5 (rounded up to a multiple of 8) */
+		out_size = ((((out_size << 1) - (out_size >> 1)) + 7) & ~7);
+
+		if (out_size > NTLM_UNICODE_MAX_LEN) {
+			ntlm_client_set_errmsg(ctx->ntlm,
+				"unicode conversion too large");
+			goto on_error;
+		}
+
+		if ((new_out = realloc(out, out_size)) == NULL) {
+			ntlm_client_set_errmsg(ctx->ntlm, "out of memory");
+			goto on_error;
+		}
+
+		out = new_out;
+	}
+
+	if (in_start_len != 0) {
+		ntlm_client_set_errmsg(ctx->ntlm,
+			"invalid unicode string; trailing data remains");
+		goto on_error;
+	}
+
+	/* NUL terminate */
+	out[written] = '\0';
+
+	if (direction == unicode_iconv_utf8_to_16)
+		out[written + 1] = '\0';
+
+	*converted = out;
+
+	if (converted_len)
+		*converted_len = written;
+
+	return true;
+
+on_error:
+	free(out);
+	return false;
+}
+
+bool ntlm_unicode_utf8_to_16(
+	char **converted,
+	size_t *converted_len,
+	ntlm_unicode_ctx *ctx,
+	const char *string,
+	size_t string_len)
+{
+	return unicode_iconv_encoding_convert(
+		converted, converted_len, ctx, string, string_len,
+		unicode_iconv_utf8_to_16);
+}
+
+bool ntlm_unicode_utf16_to_8(
+	char **converted,
+	size_t *converted_len,
+	ntlm_unicode_ctx *ctx,
+	const char *string,
+	size_t string_len)
+{
+	return unicode_iconv_encoding_convert(
+		converted, converted_len, ctx, string, string_len,
+		unicode_iconv_utf16_to_8);
+}
+
+void ntlm_unicode_ctx_free(ntlm_unicode_ctx *ctx)
+{
+	if (!ctx)
+		return;
+
+	if (ctx->utf16_to_8 != (iconv_t)-1)
+		iconv_close(ctx->utf16_to_8);
+
+	if (ctx->utf8_to_16 != (iconv_t)-1)
+		iconv_close(ctx->utf8_to_16);
+
+	free(ctx);
+}

node_modules/nodegit/vendor/libgit2/deps/ntlmclient/util.c

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) Edward Thomson.  All rights reserved.
+ *
+ * This file is part of ntlmclient, distributed under the MIT license.
+ * For full terms and copyright information, and for third-party
+ * copyright information, see the included LICENSE.txt file.
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+
+#include "compat.h"
+#include "util.h"
+
+void memzero(void *data, size_t size)
+{
+	volatile uint8_t *scan = (volatile uint8_t *)data;
+
+	while (size--)
+		*scan++ = 0x0;
+}

node_modules/nodegit/vendor/libgit2/deps/ntlmclient/util.h

@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) Edward Thomson.  All rights reserved.
+ *
+ * This file is part of ntlmclient, distributed under the MIT license.
+ * For full terms and copyright information, and for third-party
+ * copyright information, see the included LICENSE.txt file.
+ */
+
+#ifndef PRIVATE_UTIL_H__
+#define PRIVATE_UTIL_H__
+
+extern void memzero(void *data, size_t size);
+
+#endif /* PRIVATE_UTIL_H__ */