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/*
* Copyright (C) the libgit2 contributors. All rights reserved.
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#include "common.h"
#ifdef GIT_OPENSSL
# include <openssl/err.h>
#endif
#ifdef GIT_MBEDTLS
# include <mbedtls/error.h>
#endif
#include <git2.h>
#include "alloc.h"
#include "sysdir.h"
#include "cache.h"
#include "global.h"
#include "object.h"
#include "odb.h"
#include "refs.h"
#include "index.h"
#include "transports/smart.h"
#include "streams/openssl.h"
#include "streams/mbedtls.h"
void git_libgit2_version(int *major, int *minor, int *rev)
{
*major = LIBGIT2_VER_MAJOR;
*minor = LIBGIT2_VER_MINOR;
*rev = LIBGIT2_VER_REVISION;
}
int git_libgit2_features(void)
{
return 0
#ifdef GIT_THREADS
| GIT_FEATURE_THREADS
#endif
#ifdef GIT_HTTPS
| GIT_FEATURE_HTTPS
#endif
#if defined(GIT_SSH)
| GIT_FEATURE_SSH
#endif
#if defined(GIT_USE_NSEC)
| GIT_FEATURE_NSEC
#endif
;
}
/* Declarations for tuneable settings */
extern size_t git_mwindow__window_size;
extern size_t git_mwindow__mapped_limit;
extern size_t git_indexer__max_objects;
static int config_level_to_sysdir(int config_level)
{
int val = -1;
switch (config_level) {
case GIT_CONFIG_LEVEL_SYSTEM:
val = GIT_SYSDIR_SYSTEM;
break;
case GIT_CONFIG_LEVEL_XDG:
val = GIT_SYSDIR_XDG;
break;
case GIT_CONFIG_LEVEL_GLOBAL:
val = GIT_SYSDIR_GLOBAL;
break;
case GIT_CONFIG_LEVEL_PROGRAMDATA:
val = GIT_SYSDIR_PROGRAMDATA;
break;
default:
giterr_set(
GITERR_INVALID, "invalid config path selector %d", config_level);
}
return val;
}
extern char *git__user_agent;
extern char *git__ssl_ciphers;
const char *git_libgit2__user_agent(void)
{
return git__user_agent;
}
const char *git_libgit2__ssl_ciphers(void)
{
return git__ssl_ciphers;
}
int git_libgit2_opts(int key, ...)
{
int error = 0;
va_list ap;
va_start(ap, key);
switch (key) {
case GIT_OPT_SET_MWINDOW_SIZE:
git_mwindow__window_size = va_arg(ap, size_t);
break;
case GIT_OPT_GET_MWINDOW_SIZE:
*(va_arg(ap, size_t *)) = git_mwindow__window_size;
break;
case GIT_OPT_SET_MWINDOW_MAPPED_LIMIT:
git_mwindow__mapped_limit = va_arg(ap, size_t);
break;
case GIT_OPT_GET_MWINDOW_MAPPED_LIMIT:
*(va_arg(ap, size_t *)) = git_mwindow__mapped_limit;
break;
case GIT_OPT_GET_SEARCH_PATH:
if ((error = config_level_to_sysdir(va_arg(ap, int))) >= 0) {
git_buf *out = va_arg(ap, git_buf *);
const git_buf *tmp;
git_buf_sanitize(out);
if ((error = git_sysdir_get(&tmp, error)) < 0)
break;
error = git_buf_sets(out, tmp->ptr);
}
break;
case GIT_OPT_SET_SEARCH_PATH:
if ((error = config_level_to_sysdir(va_arg(ap, int))) >= 0)
error = git_sysdir_set(error, va_arg(ap, const char *));
break;
case GIT_OPT_SET_CACHE_OBJECT_LIMIT:
{
git_otype type = (git_otype)va_arg(ap, int);
size_t size = va_arg(ap, size_t);
error = git_cache_set_max_object_size(type, size);
break;
}
case GIT_OPT_SET_CACHE_MAX_SIZE:
git_cache__max_storage = va_arg(ap, ssize_t);
break;
case GIT_OPT_ENABLE_CACHING:
git_cache__enabled = (va_arg(ap, int) != 0);
break;
case GIT_OPT_GET_CACHED_MEMORY:
*(va_arg(ap, ssize_t *)) = git_cache__current_storage.val;
*(va_arg(ap, ssize_t *)) = git_cache__max_storage;
break;
case GIT_OPT_GET_TEMPLATE_PATH:
{
git_buf *out = va_arg(ap, git_buf *);
const git_buf *tmp;
git_buf_sanitize(out);
if ((error = git_sysdir_get(&tmp, GIT_SYSDIR_TEMPLATE)) < 0)
break;
error = git_buf_sets(out, tmp->ptr);
}
break;
case GIT_OPT_SET_TEMPLATE_PATH:
error = git_sysdir_set(GIT_SYSDIR_TEMPLATE, va_arg(ap, const char *));
break;
case GIT_OPT_SET_SSL_CERT_LOCATIONS:
#ifdef GIT_OPENSSL
{
const char *file = va_arg(ap, const char *);
const char *path = va_arg(ap, const char *);
error = git_openssl__set_cert_location(file, path);
}
#elif defined(GIT_MBEDTLS)
{
const char *file = va_arg(ap, const char *);
const char *path = va_arg(ap, const char *);
if (file)
error = git_mbedtls__set_cert_location(file, 0);
if (error && path)
error = git_mbedtls__set_cert_location(path, 1);
}
#else
giterr_set(GITERR_SSL, "TLS backend doesn't support certificate locations");
error = -1;
#endif
break;
case GIT_OPT_SET_USER_AGENT:
git__free(git__user_agent);
git__user_agent = git__strdup(va_arg(ap, const char *));
if (!git__user_agent) {
giterr_set_oom();
error = -1;
}
break;
case GIT_OPT_ENABLE_STRICT_OBJECT_CREATION:
git_object__strict_input_validation = (va_arg(ap, int) != 0);
break;
case GIT_OPT_ENABLE_STRICT_SYMBOLIC_REF_CREATION:
git_reference__enable_symbolic_ref_target_validation = (va_arg(ap, int) != 0);
break;
case GIT_OPT_SET_SSL_CIPHERS:
#if (GIT_OPENSSL || GIT_MBEDTLS)
{
git__free(git__ssl_ciphers);
git__ssl_ciphers = git__strdup(va_arg(ap, const char *));
if (!git__ssl_ciphers) {
giterr_set_oom();
error = -1;
}
}
#else
giterr_set(GITERR_SSL, "TLS backend doesn't support custom ciphers");
error = -1;
#endif
break;
case GIT_OPT_GET_USER_AGENT:
{
git_buf *out = va_arg(ap, git_buf *);
git_buf_sanitize(out);
error = git_buf_sets(out, git__user_agent);
}
break;
case GIT_OPT_ENABLE_OFS_DELTA:
git_smart__ofs_delta_enabled = (va_arg(ap, int) != 0);
break;
case GIT_OPT_ENABLE_FSYNC_GITDIR:
git_repository__fsync_gitdir = (va_arg(ap, int) != 0);
break;
case GIT_OPT_GET_WINDOWS_SHAREMODE:
#ifdef GIT_WIN32
*(va_arg(ap, unsigned long *)) = git_win32__createfile_sharemode;
#endif
break;
case GIT_OPT_SET_WINDOWS_SHAREMODE:
#ifdef GIT_WIN32
git_win32__createfile_sharemode = va_arg(ap, unsigned long);
#endif
break;
case GIT_OPT_ENABLE_STRICT_HASH_VERIFICATION:
git_odb__strict_hash_verification = (va_arg(ap, int) != 0);
break;
case GIT_OPT_SET_ALLOCATOR:
error = git_allocator_setup(va_arg(ap, git_allocator *));
break;
case GIT_OPT_ENABLE_UNSAVED_INDEX_SAFETY:
git_index__enforce_unsaved_safety = (va_arg(ap, int) != 0);
break;
case GIT_OPT_SET_PACK_MAX_OBJECTS:
git_indexer__max_objects = va_arg(ap, size_t);
break;
case GIT_OPT_GET_PACK_MAX_OBJECTS:
*(va_arg(ap, size_t *)) = git_indexer__max_objects;
break;
default:
giterr_set(GITERR_INVALID, "invalid option key");
error = -1;
}
va_end(ap);
return error;
}
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