diff options
Diffstat (limited to 'src/util/win32/findfile.c')
| -rw-r--r-- | src/util/win32/findfile.c | 286 |
1 files changed, 0 insertions, 286 deletions
diff --git a/src/util/win32/findfile.c b/src/util/win32/findfile.c deleted file mode 100644 index 725a90167..000000000 --- a/src/util/win32/findfile.c +++ /dev/null @@ -1,286 +0,0 @@ -/* - * 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 "findfile.h" - -#include "path_w32.h" -#include "utf-conv.h" -#include "fs_path.h" - -#define REG_GITFORWINDOWS_KEY L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Git_is1" -#define REG_GITFORWINDOWS_KEY_WOW64 L"SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Git_is1" - -static int git_win32__expand_path(git_win32_path dest, const wchar_t *src) -{ - DWORD len = ExpandEnvironmentStringsW(src, dest, GIT_WIN_PATH_UTF16); - - if (!len || len > GIT_WIN_PATH_UTF16) - return -1; - - return 0; -} - -static int win32_path_to_8(git_str *dest, const wchar_t *src) -{ - git_win32_utf8_path utf8_path; - - if (git_win32_path_to_utf8(utf8_path, src) < 0) { - git_error_set(GIT_ERROR_OS, "unable to convert path to UTF-8"); - return -1; - } - - /* Convert backslashes to forward slashes */ - git_fs_path_mkposix(utf8_path); - - return git_str_sets(dest, utf8_path); -} - -static git_win32_path mock_registry; -static bool mock_registry_set; - -extern int git_win32__set_registry_system_dir(const wchar_t *mock_sysdir) -{ - if (!mock_sysdir) { - mock_registry[0] = L'\0'; - mock_registry_set = false; - } else { - size_t len = wcslen(mock_sysdir); - - if (len > GIT_WIN_PATH_MAX) { - git_error_set(GIT_ERROR_INVALID, "mock path too long"); - return -1; - } - - wcscpy(mock_registry, mock_sysdir); - mock_registry_set = true; - } - - return 0; -} - -static int lookup_registry_key( - git_win32_path out, - const HKEY hive, - const wchar_t* key, - const wchar_t *value) -{ - HKEY hkey; - DWORD type, size; - int error = GIT_ENOTFOUND; - - /* - * Registry data may not be NUL terminated, provide room to do - * it ourselves. - */ - size = (DWORD)((sizeof(git_win32_path) - 1) * sizeof(wchar_t)); - - if (RegOpenKeyExW(hive, key, 0, KEY_READ, &hkey) != 0) - return GIT_ENOTFOUND; - - if (RegQueryValueExW(hkey, value, NULL, &type, (LPBYTE)out, &size) == 0 && - type == REG_SZ && - size > 0 && - size < sizeof(git_win32_path)) { - size_t wsize = size / sizeof(wchar_t); - size_t len = wsize - 1; - - if (out[wsize - 1] != L'\0') { - len = wsize; - out[wsize] = L'\0'; - } - - if (out[len - 1] == L'\\') - out[len - 1] = L'\0'; - - if (_waccess(out, F_OK) == 0) - error = 0; - } - - RegCloseKey(hkey); - return error; -} - -static int find_sysdir_in_registry(git_win32_path out) -{ - if (mock_registry_set) { - if (mock_registry[0] == L'\0') - return GIT_ENOTFOUND; - - wcscpy(out, mock_registry); - return 0; - } - - if (lookup_registry_key(out, HKEY_CURRENT_USER, REG_GITFORWINDOWS_KEY, L"InstallLocation") == 0 || - lookup_registry_key(out, HKEY_CURRENT_USER, REG_GITFORWINDOWS_KEY_WOW64, L"InstallLocation") == 0 || - lookup_registry_key(out, HKEY_LOCAL_MACHINE, REG_GITFORWINDOWS_KEY, L"InstallLocation") == 0 || - lookup_registry_key(out, HKEY_LOCAL_MACHINE, REG_GITFORWINDOWS_KEY_WOW64, L"InstallLocation") == 0) - return 0; - - return GIT_ENOTFOUND; -} - -static int find_sysdir_in_path(git_win32_path out) -{ - size_t out_len; - - if (git_win32_path_find_executable(out, L"git.exe") < 0 && - git_win32_path_find_executable(out, L"git.cmd") < 0) - return GIT_ENOTFOUND; - - out_len = wcslen(out); - - /* Trim the file name */ - if (out_len <= CONST_STRLEN(L"git.exe")) - return GIT_ENOTFOUND; - - out_len -= CONST_STRLEN(L"git.exe"); - - if (out_len && out[out_len - 1] == L'\\') - out_len--; - - /* - * Git for Windows usually places the command in a 'bin' or - * 'cmd' directory, trim that. - */ - if (out_len >= CONST_STRLEN(L"\\bin") && - wcsncmp(&out[out_len - CONST_STRLEN(L"\\bin")], L"\\bin", CONST_STRLEN(L"\\bin")) == 0) - out_len -= CONST_STRLEN(L"\\bin"); - else if (out_len >= CONST_STRLEN(L"\\cmd") && - wcsncmp(&out[out_len - CONST_STRLEN(L"\\cmd")], L"\\cmd", CONST_STRLEN(L"\\cmd")) == 0) - out_len -= CONST_STRLEN(L"\\cmd"); - - if (!out_len) - return GIT_ENOTFOUND; - - out[out_len] = L'\0'; - return 0; -} - -static int win32_find_existing_dirs( - git_str* out, - const wchar_t* tmpl[]) -{ - git_win32_path path16; - git_str buf = GIT_STR_INIT; - - git_str_clear(out); - - for (; *tmpl != NULL; tmpl++) { - if (!git_win32__expand_path(path16, *tmpl) && - path16[0] != L'%' && - !_waccess(path16, F_OK)) { - win32_path_to_8(&buf, path16); - - if (buf.size) - git_str_join(out, GIT_PATH_LIST_SEPARATOR, out->ptr, buf.ptr); - } - } - - git_str_dispose(&buf); - - return (git_str_oom(out) ? -1 : 0); -} - -static int append_subdir(git_str *out, git_str *path, const char *subdir) -{ - static const char* architecture_roots[] = { - "", - "mingw64", - "mingw32", - NULL - }; - const char **root; - size_t orig_path_len = path->size; - - for (root = architecture_roots; *root; root++) { - if ((*root[0] && git_str_joinpath(path, path->ptr, *root) < 0) || - git_str_joinpath(path, path->ptr, subdir) < 0) - return -1; - - if (git_fs_path_exists(path->ptr) && - git_str_join(out, GIT_PATH_LIST_SEPARATOR, out->ptr, path->ptr) < 0) - return -1; - - git_str_truncate(path, orig_path_len); - } - - return 0; -} - -int git_win32__find_system_dirs(git_str *out, const char *subdir) -{ - git_win32_path pathdir, regdir; - git_str path8 = GIT_STR_INIT; - bool has_pathdir, has_regdir; - int error; - - has_pathdir = (find_sysdir_in_path(pathdir) == 0); - has_regdir = (find_sysdir_in_registry(regdir) == 0); - - if (!has_pathdir && !has_regdir) - return 0; - - /* - * Usually the git in the path is the same git in the registry, - * in this case there's no need to duplicate the paths. - */ - if (has_pathdir && has_regdir && wcscmp(pathdir, regdir) == 0) - has_regdir = false; - - if (has_pathdir) { - if ((error = win32_path_to_8(&path8, pathdir)) < 0 || - (error = append_subdir(out, &path8, subdir)) < 0) - goto done; - } - - if (has_regdir) { - if ((error = win32_path_to_8(&path8, regdir)) < 0 || - (error = append_subdir(out, &path8, subdir)) < 0) - goto done; - } - -done: - git_str_dispose(&path8); - return error; -} - -int git_win32__find_global_dirs(git_str *out) -{ - static const wchar_t *global_tmpls[4] = { - L"%HOME%\\", - L"%HOMEDRIVE%%HOMEPATH%\\", - L"%USERPROFILE%\\", - NULL, - }; - - return win32_find_existing_dirs(out, global_tmpls); -} - -int git_win32__find_xdg_dirs(git_str *out) -{ - static const wchar_t *global_tmpls[7] = { - L"%XDG_CONFIG_HOME%\\git", - L"%APPDATA%\\git", - L"%LOCALAPPDATA%\\git", - L"%HOME%\\.config\\git", - L"%HOMEDRIVE%%HOMEPATH%\\.config\\git", - L"%USERPROFILE%\\.config\\git", - NULL, - }; - - return win32_find_existing_dirs(out, global_tmpls); -} - -int git_win32__find_programdata_dirs(git_str *out) -{ - static const wchar_t *programdata_tmpls[2] = { - L"%PROGRAMDATA%\\Git", - NULL, - }; - - return win32_find_existing_dirs(out, programdata_tmpls); -} |