diff options
Diffstat (limited to 'src/libgit2.c')
-rw-r--r-- | src/libgit2.c | 361 |
1 files changed, 361 insertions, 0 deletions
diff --git a/src/libgit2.c b/src/libgit2.c new file mode 100644 index 000000000..316d89365 --- /dev/null +++ b/src/libgit2.c @@ -0,0 +1,361 @@ +/* + * 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 "libgit2.h" + +#include <git2.h> +#include "alloc.h" +#include "cache.h" +#include "common.h" +#include "filter.h" +#include "hash.h" +#include "index.h" +#include "merge_driver.h" +#include "pool.h" +#include "mwindow.h" +#include "object.h" +#include "odb.h" +#include "refs.h" +#include "runtime.h" +#include "sysdir.h" +#include "thread-utils.h" +#include "threadstate.h" +#include "git2/global.h" +#include "streams/registry.h" +#include "streams/mbedtls.h" +#include "streams/openssl.h" +#include "transports/smart.h" +#include "transports/http.h" +#include "transports/ssh.h" +#include "win32/w32_stack.h" + +#ifdef GIT_OPENSSL +# include <openssl/err.h> +#endif + +#ifdef GIT_MBEDTLS +# include <mbedtls/error.h> +#endif + +/* Declarations for tuneable settings */ +extern size_t git_mwindow__window_size; +extern size_t git_mwindow__mapped_limit; +extern size_t git_mwindow__file_limit; +extern size_t git_indexer__max_objects; +extern bool git_disable_pack_keep_file_checks; + +char *git__user_agent; +char *git__ssl_ciphers; + +static void libgit2_settings_global_shutdown(void) +{ + git__free(git__user_agent); + git__free(git__ssl_ciphers); +} + +static int git_libgit2_settings_global_init(void) +{ + return git_runtime_shutdown_register(libgit2_settings_global_shutdown); +} + +int git_libgit2_init(void) +{ + static git_runtime_init_fn init_fns[] = { + git_allocator_global_init, + git_threadstate_global_init, + git_threads_global_init, + git_hash_global_init, + git_sysdir_global_init, + git_filter_global_init, + git_merge_driver_global_init, + git_transport_ssh_global_init, + git_stream_registry_global_init, + git_openssl_stream_global_init, + git_mbedtls_stream_global_init, + git_mwindow_global_init, + git_pool_global_init, + git_libgit2_settings_global_init + }; + + return git_runtime_init(init_fns, ARRAY_SIZE(init_fns)); +} + +int git_libgit2_shutdown(void) +{ + return git_runtime_shutdown(); +} + +int git_libgit2_version(int *major, int *minor, int *rev) +{ + *major = LIBGIT2_VER_MAJOR; + *minor = LIBGIT2_VER_MINOR; + *rev = LIBGIT2_VER_REVISION; + + return 0; +} + +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 + ; +} + +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: + git_error_set( + GIT_ERROR_INVALID, "invalid config path selector %d", config_level); + } + + return val; +} + +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_SET_MWINDOW_FILE_LIMIT: + git_mwindow__file_limit = va_arg(ap, size_t); + break; + + case GIT_OPT_GET_MWINDOW_FILE_LIMIT: + *(va_arg(ap, size_t *)) = git_mwindow__file_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_object_t type = (git_object_t)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 + git_error_set(GIT_ERROR_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) { + git_error_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) { + git_error_set_oom(); + error = -1; + } + } +#else + git_error_set(GIT_ERROR_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; + + case GIT_OPT_DISABLE_PACK_KEEP_FILE_CHECKS: + git_disable_pack_keep_file_checks = (va_arg(ap, int) != 0); + break; + + case GIT_OPT_ENABLE_HTTP_EXPECT_CONTINUE: + git_http__expect_continue = (va_arg(ap, int) != 0); + break; + + default: + git_error_set(GIT_ERROR_INVALID, "invalid option key"); + error = -1; + } + + va_end(ap); + + return error; +} |