From 3e4d8f433239c40311037616b1b8833a06651ae0 Mon Sep 17 00:00:00 2001 From: Arne Schwabe Date: Mon, 16 Apr 2012 19:21:14 +0200 Subject: Initial import --- openssl/apps/openssl.c | 714 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 714 insertions(+) create mode 100644 openssl/apps/openssl.c (limited to 'openssl/apps/openssl.c') diff --git a/openssl/apps/openssl.c b/openssl/apps/openssl.c new file mode 100644 index 00000000..10689573 --- /dev/null +++ b/openssl/apps/openssl.c @@ -0,0 +1,714 @@ +/* apps/openssl.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ +/* ==================================================================== + * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + + +#include +#include +#include +#define OPENSSL_C /* tells apps.h to use complete apps_startup() */ +#include "apps.h" +#include +#include +#include +#include +#include +#include +#include +#ifndef OPENSSL_NO_ENGINE +#include +#endif +#define USE_SOCKETS /* needed for the _O_BINARY defs in the MS world */ +#include "progs.h" +#include "s_apps.h" +#include + +/* The LHASH callbacks ("hash" & "cmp") have been replaced by functions with the + * base prototypes (we cast each variable inside the function to the required + * type of "FUNCTION*"). This removes the necessity for macro-generated wrapper + * functions. */ + +static LHASH_OF(FUNCTION) *prog_init(void ); +static int do_cmd(LHASH_OF(FUNCTION) *prog,int argc,char *argv[]); +static void list_pkey(BIO *out); +static void list_cipher(BIO *out); +static void list_md(BIO *out); +char *default_config_file=NULL; + +/* Make sure there is only one when MONOLITH is defined */ +#ifdef MONOLITH +CONF *config=NULL; +BIO *bio_err=NULL; +#endif + + +static void lock_dbg_cb(int mode, int type, const char *file, int line) + { + static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */ + const char *errstr = NULL; + int rw; + + rw = mode & (CRYPTO_READ|CRYPTO_WRITE); + if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE))) + { + errstr = "invalid mode"; + goto err; + } + + if (type < 0 || type >= CRYPTO_NUM_LOCKS) + { + errstr = "type out of bounds"; + goto err; + } + + if (mode & CRYPTO_LOCK) + { + if (modes[type]) + { + errstr = "already locked"; + /* must not happen in a single-threaded program + * (would deadlock) */ + goto err; + } + + modes[type] = rw; + } + else if (mode & CRYPTO_UNLOCK) + { + if (!modes[type]) + { + errstr = "not locked"; + goto err; + } + + if (modes[type] != rw) + { + errstr = (rw == CRYPTO_READ) ? + "CRYPTO_r_unlock on write lock" : + "CRYPTO_w_unlock on read lock"; + } + + modes[type] = 0; + } + else + { + errstr = "invalid mode"; + goto err; + } + + err: + if (errstr) + { + /* we cannot use bio_err here */ + fprintf(stderr, "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n", + errstr, mode, type, file, line); + } + } + +#if defined( OPENSSL_SYS_VMS) && (__INITIAL_POINTER_SIZE == 64) +# define ARGV _Argv +#else +# define ARGV Argv +#endif + +int main(int Argc, char *ARGV[]) + { + ARGS arg; +#define PROG_NAME_SIZE 39 + char pname[PROG_NAME_SIZE+1]; + FUNCTION f,*fp; + MS_STATIC const char *prompt; + MS_STATIC char buf[1024]; + char *to_free=NULL; + int n,i,ret=0; + int argc; + char **argv,*p; + LHASH_OF(FUNCTION) *prog=NULL; + long errline; + +#if defined( OPENSSL_SYS_VMS) && (__INITIAL_POINTER_SIZE == 64) + /* 2011-03-22 SMS. + * If we have 32-bit pointers everywhere, then we're safe, and + * we bypass this mess, as on non-VMS systems. (See ARGV, + * above.) + * Problem 1: Compaq/HP C before V7.3 always used 32-bit + * pointers for argv[]. + * Fix 1: For a 32-bit argv[], when we're using 64-bit pointers + * everywhere else, we always allocate and use a 64-bit + * duplicate of argv[]. + * Problem 2: Compaq/HP C V7.3 (Alpha, IA64) before ECO1 failed + * to NULL-terminate a 64-bit argv[]. (As this was written, the + * compiler ECO was available only on IA64.) + * Fix 2: Unless advised not to (VMS_TRUST_ARGV), we test a + * 64-bit argv[argc] for NULL, and, if necessary, use a + * (properly) NULL-terminated (64-bit) duplicate of argv[]. + * The same code is used in either case to duplicate argv[]. + * Some of these decisions could be handled in preprocessing, + * but the code tends to get even uglier, and the penalty for + * deciding at compile- or run-time is tiny. + */ + char **Argv = NULL; + int free_Argv = 0; + + if ((sizeof( _Argv) < 8) /* 32-bit argv[]. */ +# if !defined( VMS_TRUST_ARGV) + || (_Argv[ Argc] != NULL) /* Untrusted argv[argc] not NULL. */ +# endif + ) + { + int i; + Argv = OPENSSL_malloc( (Argc+ 1)* sizeof( char *)); + if (Argv == NULL) + { ret = -1; goto end; } + for(i = 0; i < Argc; i++) + Argv[i] = _Argv[i]; + Argv[ Argc] = NULL; /* Certain NULL termination. */ + free_Argv = 1; + } + else + { + /* Use the known-good 32-bit argv[] (which needs the + * type cast to satisfy the compiler), or the trusted or + * tested-good 64-bit argv[] as-is. */ + Argv = (char **)_Argv; + } +#endif /* defined( OPENSSL_SYS_VMS) && (__INITIAL_POINTER_SIZE == 64) */ + + arg.data=NULL; + arg.count=0; + + if (bio_err == NULL) + if ((bio_err=BIO_new(BIO_s_file())) != NULL) + BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); + + if (getenv("OPENSSL_DEBUG_MEMORY") != NULL) /* if not defined, use compiled-in library defaults */ + { + if (!(0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))) + { + CRYPTO_malloc_debug_init(); + CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL); + } + else + { + /* OPENSSL_DEBUG_MEMORY=off */ + CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0); + } + } + CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON); + +#if 0 + if (getenv("OPENSSL_DEBUG_LOCKING") != NULL) +#endif + { + CRYPTO_set_locking_callback(lock_dbg_cb); + } + + apps_startup(); + + /* Lets load up our environment a little */ + p=getenv("OPENSSL_CONF"); + if (p == NULL) + p=getenv("SSLEAY_CONF"); + if (p == NULL) + p=to_free=make_config_name(); + + default_config_file=p; + + config=NCONF_new(NULL); + i=NCONF_load(config,p,&errline); + if (i == 0) + { + if (ERR_GET_REASON(ERR_peek_last_error()) + == CONF_R_NO_SUCH_FILE) + { +#if 0 /* ANDROID */ + BIO_printf(bio_err, + "WARNING: can't open config file: %s\n",p); +#endif + ERR_clear_error(); + NCONF_free(config); + config = NULL; + } + else + { + ERR_print_errors(bio_err); + NCONF_free(config); + exit(1); + } + } + + prog=prog_init(); + + /* first check the program name */ + program_name(Argv[0],pname,sizeof pname); + + f.name=pname; + fp=lh_FUNCTION_retrieve(prog,&f); + if (fp != NULL) + { + Argv[0]=pname; + ret=fp->func(Argc,Argv); + goto end; + } + + /* ok, now check that there are not arguments, if there are, + * run with them, shifting the ssleay off the front */ + if (Argc != 1) + { + Argc--; + Argv++; + ret=do_cmd(prog,Argc,Argv); + if (ret < 0) ret=0; + goto end; + } + + /* ok, lets enter the old 'OpenSSL>' mode */ + + for (;;) + { + ret=0; + p=buf; + n=sizeof buf; + i=0; + for (;;) + { + p[0]='\0'; + if (i++) + prompt=">"; + else prompt="OpenSSL> "; + fputs(prompt,stdout); + fflush(stdout); + if (!fgets(p,n,stdin)) + goto end; + if (p[0] == '\0') goto end; + i=strlen(p); + if (i <= 1) break; + if (p[i-2] != '\\') break; + i-=2; + p+=i; + n-=i; + } + if (!chopup_args(&arg,buf,&argc,&argv)) break; + + ret=do_cmd(prog,argc,argv); + if (ret < 0) + { + ret=0; + goto end; + } + if (ret != 0) + BIO_printf(bio_err,"error in %s\n",argv[0]); + (void)BIO_flush(bio_err); + } + BIO_printf(bio_err,"bad exit\n"); + ret=1; +end: + if (to_free) + OPENSSL_free(to_free); + if (config != NULL) + { + NCONF_free(config); + config=NULL; + } + if (prog != NULL) lh_FUNCTION_free(prog); + if (arg.data != NULL) OPENSSL_free(arg.data); + + apps_shutdown(); + + CRYPTO_mem_leaks(bio_err); + if (bio_err != NULL) + { + BIO_free(bio_err); + bio_err=NULL; + } +#if defined( OPENSSL_SYS_VMS) && (__INITIAL_POINTER_SIZE == 64) + /* Free any duplicate Argv[] storage. */ + if (free_Argv) + { + OPENSSL_free(Argv); + } +#endif + OPENSSL_EXIT(ret); + } + +#define LIST_STANDARD_COMMANDS "list-standard-commands" +#define LIST_MESSAGE_DIGEST_COMMANDS "list-message-digest-commands" +#define LIST_MESSAGE_DIGEST_ALGORITHMS "list-message-digest-algorithms" +#define LIST_CIPHER_COMMANDS "list-cipher-commands" +#define LIST_CIPHER_ALGORITHMS "list-cipher-algorithms" +#define LIST_PUBLIC_KEY_ALGORITHMS "list-public-key-algorithms" + + +static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[]) + { + FUNCTION f,*fp; + int i,ret=1,tp,nl; + + if ((argc <= 0) || (argv[0] == NULL)) + { ret=0; goto end; } + f.name=argv[0]; + fp=lh_FUNCTION_retrieve(prog,&f); + if (fp == NULL) + { + if (EVP_get_digestbyname(argv[0])) + { + f.type = FUNC_TYPE_MD; + f.func = dgst_main; + fp = &f; + } + else if (EVP_get_cipherbyname(argv[0])) + { + f.type = FUNC_TYPE_CIPHER; + f.func = enc_main; + fp = &f; + } + } + if (fp != NULL) + { + ret=fp->func(argc,argv); + } + else if ((strncmp(argv[0],"no-",3)) == 0) + { + BIO *bio_stdout = BIO_new_fp(stdout,BIO_NOCLOSE); +#ifdef OPENSSL_SYS_VMS + { + BIO *tmpbio = BIO_new(BIO_f_linebuffer()); + bio_stdout = BIO_push(tmpbio, bio_stdout); + } +#endif + f.name=argv[0]+3; + ret = (lh_FUNCTION_retrieve(prog,&f) != NULL); + if (!ret) + BIO_printf(bio_stdout, "%s\n", argv[0]); + else + BIO_printf(bio_stdout, "%s\n", argv[0]+3); + BIO_free_all(bio_stdout); + goto end; + } + else if ((strcmp(argv[0],"quit") == 0) || + (strcmp(argv[0],"q") == 0) || + (strcmp(argv[0],"exit") == 0) || + (strcmp(argv[0],"bye") == 0)) + { + ret= -1; + goto end; + } + else if ((strcmp(argv[0],LIST_STANDARD_COMMANDS) == 0) || + (strcmp(argv[0],LIST_MESSAGE_DIGEST_COMMANDS) == 0) || + (strcmp(argv[0],LIST_MESSAGE_DIGEST_ALGORITHMS) == 0) || + (strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0) || + (strcmp(argv[0],LIST_CIPHER_ALGORITHMS) == 0) || + (strcmp(argv[0],LIST_PUBLIC_KEY_ALGORITHMS) == 0)) + { + int list_type; + BIO *bio_stdout; + + if (strcmp(argv[0],LIST_STANDARD_COMMANDS) == 0) + list_type = FUNC_TYPE_GENERAL; + else if (strcmp(argv[0],LIST_MESSAGE_DIGEST_COMMANDS) == 0) + list_type = FUNC_TYPE_MD; + else if (strcmp(argv[0],LIST_MESSAGE_DIGEST_ALGORITHMS) == 0) + list_type = FUNC_TYPE_MD_ALG; + else if (strcmp(argv[0],LIST_PUBLIC_KEY_ALGORITHMS) == 0) + list_type = FUNC_TYPE_PKEY; + else if (strcmp(argv[0],LIST_CIPHER_ALGORITHMS) == 0) + list_type = FUNC_TYPE_CIPHER_ALG; + else /* strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0 */ + list_type = FUNC_TYPE_CIPHER; + bio_stdout = BIO_new_fp(stdout,BIO_NOCLOSE); +#ifdef OPENSSL_SYS_VMS + { + BIO *tmpbio = BIO_new(BIO_f_linebuffer()); + bio_stdout = BIO_push(tmpbio, bio_stdout); + } +#endif + + if (!load_config(bio_err, NULL)) + goto end; + + if (list_type == FUNC_TYPE_PKEY) + list_pkey(bio_stdout); + if (list_type == FUNC_TYPE_MD_ALG) + list_md(bio_stdout); + if (list_type == FUNC_TYPE_CIPHER_ALG) + list_cipher(bio_stdout); + else + { + for (fp=functions; fp->name != NULL; fp++) + if (fp->type == list_type) + BIO_printf(bio_stdout, "%s\n", + fp->name); + } + BIO_free_all(bio_stdout); + ret=0; + goto end; + } + else + { + BIO_printf(bio_err,"openssl:Error: '%s' is an invalid command.\n", + argv[0]); + BIO_printf(bio_err, "\nStandard commands"); + i=0; + tp=0; + for (fp=functions; fp->name != NULL; fp++) + { + nl=0; +#ifdef OPENSSL_NO_CAMELLIA + if (((i++) % 5) == 0) +#else + if (((i++) % 4) == 0) +#endif + { + BIO_printf(bio_err,"\n"); + nl=1; + } + if (fp->type != tp) + { + tp=fp->type; + if (!nl) BIO_printf(bio_err,"\n"); + if (tp == FUNC_TYPE_MD) + { + i=1; + BIO_printf(bio_err, + "\nMessage Digest commands (see the `dgst' command for more details)\n"); + } + else if (tp == FUNC_TYPE_CIPHER) + { + i=1; + BIO_printf(bio_err,"\nCipher commands (see the `enc' command for more details)\n"); + } + } +#ifdef OPENSSL_NO_CAMELLIA + BIO_printf(bio_err,"%-15s",fp->name); +#else + BIO_printf(bio_err,"%-18s",fp->name); +#endif + } + BIO_printf(bio_err,"\n\n"); + ret=0; + } +end: + return(ret); + } + +static int SortFnByName(const void *_f1,const void *_f2) + { + const FUNCTION *f1=_f1; + const FUNCTION *f2=_f2; + + if(f1->type != f2->type) + return f1->type-f2->type; + return strcmp(f1->name,f2->name); + } + +static void list_pkey(BIO *out) + { + int i; + for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) + { + const EVP_PKEY_ASN1_METHOD *ameth; + int pkey_id, pkey_base_id, pkey_flags; + const char *pinfo, *pem_str; + ameth = EVP_PKEY_asn1_get0(i); + EVP_PKEY_asn1_get0_info(&pkey_id, &pkey_base_id, &pkey_flags, + &pinfo, &pem_str, ameth); + if (pkey_flags & ASN1_PKEY_ALIAS) + { + BIO_printf(out, "Name: %s\n", + OBJ_nid2ln(pkey_id)); + BIO_printf(out, "\tType: Alias to %s\n", + OBJ_nid2ln(pkey_base_id)); + } + else + { + BIO_printf(out, "Name: %s\n", pinfo); + BIO_printf(out, "\tType: %s Algorithm\n", + pkey_flags & ASN1_PKEY_DYNAMIC ? + "External" : "Builtin"); + BIO_printf(out, "\tOID: %s\n", OBJ_nid2ln(pkey_id)); + if (pem_str == NULL) + pem_str = "(none)"; + BIO_printf(out, "\tPEM string: %s\n", pem_str); + } + + } + } + +static void list_cipher_fn(const EVP_CIPHER *c, + const char *from, const char *to, void *arg) + { + if (c) + BIO_printf(arg, "%s\n", EVP_CIPHER_name(c)); + else + { + if (!from) + from = ""; + if (!to) + to = ""; + BIO_printf(arg, "%s => %s\n", from, to); + } + } + +static void list_cipher(BIO *out) + { + EVP_CIPHER_do_all_sorted(list_cipher_fn, out); + } + +static void list_md_fn(const EVP_MD *m, + const char *from, const char *to, void *arg) + { + if (m) + BIO_printf(arg, "%s\n", EVP_MD_name(m)); + else + { + if (!from) + from = ""; + if (!to) + to = ""; + BIO_printf(arg, "%s => %s\n", from, to); + } + } + +static void list_md(BIO *out) + { + EVP_MD_do_all_sorted(list_md_fn, out); + } + +static int MS_CALLBACK function_cmp(const FUNCTION *a, const FUNCTION *b) + { + return strncmp(a->name,b->name,8); + } +static IMPLEMENT_LHASH_COMP_FN(function, FUNCTION) + +static unsigned long MS_CALLBACK function_hash(const FUNCTION *a) + { + return lh_strhash(a->name); + } +static IMPLEMENT_LHASH_HASH_FN(function, FUNCTION) + +static LHASH_OF(FUNCTION) *prog_init(void) + { + LHASH_OF(FUNCTION) *ret; + FUNCTION *f; + size_t i; + + /* Purely so it looks nice when the user hits ? */ + for(i=0,f=functions ; f->name != NULL ; ++f,++i) + ; + qsort(functions,i,sizeof *functions,SortFnByName); + + if ((ret=lh_FUNCTION_new()) == NULL) + return(NULL); + + for (f=functions; f->name != NULL; f++) + (void)lh_FUNCTION_insert(ret,f); + return(ret); + } + -- cgit v1.2.3