Revision 8db1e8743c0f1ed241f6a1b8bf55b6fef07d6751 authored by Johannes Schindelin on 28 March 2024, 18:21:06 UTC, committed by Johannes Schindelin on 19 April 2024, 10:38:23 UTC
Critical security issues typically combine relatively common vulnerabilities such as case confusion in file paths with other weaknesses in order to raise the severity of the attack. One such weakness that has haunted the Git project in many a submodule-related CVE is that any hooks that are found are executed during a clone operation. Examples are the `post-checkout` and `fsmonitor` hooks. However, Git's design calls for hooks to be disabled by default, as only disabled example hooks are copied over from the templates in `<prefix>/share/git-core/templates/`. As a defense-in-depth measure, let's prevent those hooks from running. Obviously, administrators can choose to drop enabled hooks into the template directory, though, _and_ it is also possible to override `core.hooksPath`, in which case the new check needs to be disabled. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
1 parent 584de0b
gettext.c
/*
* Copyright (c) 2010 Ævar Arnfjörð Bjarmason
*/
#include "cache.h"
#include "exec-cmd.h"
#include "gettext.h"
#include "strbuf.h"
#include "utf8.h"
#include "config.h"
#ifndef NO_GETTEXT
# include <libintl.h>
# ifdef GIT_WINDOWS_NATIVE
static const char *locale_charset(void)
{
const char *env = getenv("LC_ALL"), *dot;
if (!env || !*env)
env = getenv("LC_CTYPE");
if (!env || !*env)
env = getenv("LANG");
if (!env)
return "UTF-8";
dot = strchr(env, '.');
return !dot ? env : dot + 1;
}
# elif defined HAVE_LIBCHARSET_H
# include <libcharset.h>
# else
# include <langinfo.h>
# define locale_charset() nl_langinfo(CODESET)
# endif
#endif
static const char *charset;
/*
* Guess the user's preferred languages from the value in LANGUAGE environment
* variable and LC_MESSAGES locale category if NO_GETTEXT is not defined.
*
* The result can be a colon-separated list like "ko:ja:en".
*/
const char *get_preferred_languages(void)
{
const char *retval;
retval = getenv("LANGUAGE");
if (retval && *retval)
return retval;
#ifndef NO_GETTEXT
retval = setlocale(LC_MESSAGES, NULL);
if (retval && *retval &&
strcmp(retval, "C") &&
strcmp(retval, "POSIX"))
return retval;
#endif
return NULL;
}
#ifndef NO_GETTEXT
__attribute__((format (printf, 1, 2)))
static int test_vsnprintf(const char *fmt, ...)
{
char buf[26];
int ret;
va_list ap;
va_start(ap, fmt);
ret = vsnprintf(buf, sizeof(buf), fmt, ap);
va_end(ap);
return ret;
}
static void init_gettext_charset(const char *domain)
{
charset = locale_charset();
bind_textdomain_codeset(domain, charset);
/*
* Work around an old bug fixed in glibc 2.17 (released on
* 2012-12-24), at the cost of potentially making translated
* messages from external functions like perror() emitted in
* the wrong encoding.
*
* The bug affected e.g. git.git's own 7eb93c89651 ([PATCH]
* Simplify git script, 2005-09-07), which is the origin of
* the "David_K\345gedal" test string.
*
* See a much longer comment added to this file in 5e9637c6297
* (i18n: add infrastructure for translating Git with gettext,
* 2011-11-18) for more details.
*/
if (test_vsnprintf("%.*s", 13, "David_K\345gedal") < 0)
setlocale(LC_CTYPE, "C");
}
int git_gettext_enabled = 0;
void git_setup_gettext(void)
{
const char *podir = getenv(GIT_TEXT_DOMAIN_DIR_ENVIRONMENT);
char *p = NULL;
if (!podir)
podir = p = system_path(GIT_LOCALE_PATH);
if (!is_directory(podir)) {
free(p);
return;
}
bindtextdomain("git", podir);
setlocale(LC_MESSAGES, "");
setlocale(LC_TIME, "");
init_gettext_charset("git");
textdomain("git");
git_gettext_enabled = 1;
free(p);
}
/* return the number of columns of string 's' in current locale */
int gettext_width(const char *s)
{
static int is_utf8 = -1;
if (is_utf8 == -1)
is_utf8 = is_utf8_locale();
return is_utf8 ? utf8_strwidth(s) : strlen(s);
}
#endif
int is_utf8_locale(void)
{
#ifdef NO_GETTEXT
if (!charset) {
const char *env = getenv("LC_ALL");
if (!env || !*env)
env = getenv("LC_CTYPE");
if (!env || !*env)
env = getenv("LANG");
if (!env)
env = "";
if (strchr(env, '.'))
env = strchr(env, '.') + 1;
charset = xstrdup(env);
}
#endif
return is_encoding_utf8(charset);
}
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