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|
/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/** \file blender/blenkernel/intern/appdir.c
* \ingroup bke
*
* Access to application level directories.
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "BLI_utildefines.h"
#include "BLI_string.h"
#include "BLI_fileops.h"
#include "BLI_path_util.h"
#include "BKE_blender_version.h"
#include "BKE_appdir.h" /* own include */
#include "GHOST_Path-api.h"
#include "MEM_guardedalloc.h"
#ifdef WIN32
# include "utf_winfunc.h"
# include "utfconv.h"
# include <io.h>
# ifdef _WIN32_IE
# undef _WIN32_IE
# endif
# define _WIN32_IE 0x0501
# include <windows.h>
# include <shlobj.h>
# include "BLI_winstuff.h"
#else /* non windows */
# ifdef WITH_BINRELOC
# include "binreloc.h"
# endif
# include <unistd.h> /* mkdtemp on OSX (and probably all *BSD?), not worth making specific check for this OS. */
#endif /* WIN32 */
/* local */
static char bprogname[FILE_MAX]; /* full path to program executable */
static char bprogdir[FILE_MAX]; /* full path to directory in which executable is located */
static char btempdir_base[FILE_MAX]; /* persistent temporary directory */
static char btempdir_session[FILE_MAX] = ""; /* volatile temporary directory */
/* This is now only used to really get the user's default document folder */
/* On Windows I chose the 'Users/<MyUserName>/Documents' since it's used
* as default location to save documents */
const char *BKE_appdir_folder_default(void)
{
#ifndef WIN32
const char * const xdg_documents_dir = getenv("XDG_DOCUMENTS_DIR");
if (xdg_documents_dir)
return xdg_documents_dir;
return getenv("HOME");
#else /* Windows */
static char documentfolder[MAXPATHLEN];
HRESULT hResult;
/* Check for %HOME% env var */
if (uput_getenv("HOME", documentfolder, MAXPATHLEN)) {
if (BLI_is_dir(documentfolder)) return documentfolder;
}
/* add user profile support for WIN 2K / NT.
* This is %APPDATA%, which translates to either
* %USERPROFILE%\Application Data or since Vista
* to %USERPROFILE%\AppData\Roaming
*/
hResult = SHGetFolderPath(NULL, CSIDL_PERSONAL, NULL, SHGFP_TYPE_CURRENT, documentfolder);
if (hResult == S_OK) {
if (BLI_is_dir(documentfolder)) return documentfolder;
}
return NULL;
#endif /* WIN32 */
}
// #define PATH_DEBUG
/* returns a formatted representation of the specified version number. Non-reentrant! */
static char *blender_version_decimal(const int ver)
{
static char version_str[5];
sprintf(version_str, "%d.%02d", ver / 100, ver % 100);
return version_str;
}
/**
* Concatenates path_base, (optional) path_sep and (optional) folder_name into targetpath,
* returning true if result points to a directory.
*/
static bool test_path(char *targetpath, const char *path_base, const char *path_sep, const char *folder_name)
{
char tmppath[FILE_MAX];
if (path_sep) BLI_join_dirfile(tmppath, sizeof(tmppath), path_base, path_sep);
else BLI_strncpy(tmppath, path_base, sizeof(tmppath));
/* rare cases folder_name is omitted (when looking for ~/.config/blender/2.xx dir only) */
if (folder_name)
BLI_make_file_string("/", targetpath, tmppath, folder_name);
else
BLI_strncpy(targetpath, tmppath, sizeof(tmppath));
/* FIXME: why is "//" on front of tmppath expanded to "/" (by BLI_join_dirfile)
* if folder_name is specified but not otherwise? */
if (BLI_is_dir(targetpath)) {
#ifdef PATH_DEBUG
printf("\t%s found: %s\n", __func__, targetpath);
#endif
return true;
}
else {
#ifdef PATH_DEBUG
printf("\t%s missing: %s\n", __func__, targetpath);
#endif
//targetpath[0] = '\0';
return false;
}
}
/**
* Puts the value of the specified environment variable into *path if it exists
* and points at a directory. Returns true if this was done.
*/
static bool test_env_path(char *path, const char *envvar)
{
const char *env = envvar ? getenv(envvar) : NULL;
if (!env) return false;
if (BLI_is_dir(env)) {
BLI_strncpy(path, env, FILE_MAX);
#ifdef PATH_DEBUG
printf("\t%s env %s found: %s\n", __func__, envvar, env);
#endif
return true;
}
else {
path[0] = '\0';
#ifdef PATH_DEBUG
printf("\t%s env %s missing: %s\n", __func__, envvar, env);
#endif
return false;
}
}
/**
* Constructs in \a targetpath the name of a directory relative to a version-specific
* subdirectory in the parent directory of the Blender executable.
*
* \param targetpath String to return path
* \param folder_name Optional folder name within version-specific directory
* \param subfolder_name Optional subfolder name within folder_name
* \param ver To construct name of version-specific directory within bprogdir
* \return true if such a directory exists.
*/
static bool get_path_local(char *targetpath, const char *folder_name, const char *subfolder_name, const int ver)
{
char relfolder[FILE_MAX];
#ifdef PATH_DEBUG
printf("%s...\n", __func__);
#endif
if (folder_name) {
if (subfolder_name) {
BLI_join_dirfile(relfolder, sizeof(relfolder), folder_name, subfolder_name);
}
else {
BLI_strncpy(relfolder, folder_name, sizeof(relfolder));
}
}
else {
relfolder[0] = '\0';
}
/* try EXECUTABLE_DIR/2.5x/folder_name - new default directory for local blender installed files */
#ifdef __APPLE__
/* due new codesign situation in OSX > 10.9.5 we must move the blender_version dir with contents to Resources */
static char osx_resourses[FILE_MAX];
sprintf(osx_resourses, "%s../Resources", bprogdir);
return test_path(targetpath, osx_resourses, blender_version_decimal(ver), relfolder);
#else
return test_path(targetpath, bprogdir, blender_version_decimal(ver), relfolder);
#endif
}
/**
* Is this an install with user files kept together with the Blender executable and its
* installation files.
*/
static bool is_portable_install(void)
{
/* detect portable install by the existence of config folder */
const int ver = BLENDER_VERSION;
char path[FILE_MAX];
return get_path_local(path, "config", NULL, ver);
}
/**
* Returns the path of a folder within the user-files area.
*
*
* \param targetpath String to return path
* \param folder_name default name of folder within user area
* \param subfolder_name optional name of subfolder within folder
* \param envvar name of environment variable which, if defined, overrides folder_name
* \param ver Blender version, used to construct a subdirectory name
* \return true if it was able to construct such a path.
*/
static bool get_path_user(
char *targetpath, const char *folder_name, const char *subfolder_name,
const char *envvar, const int ver)
{
char user_path[FILE_MAX];
const char *user_base_path;
/* for portable install, user path is always local */
if (is_portable_install())
return get_path_local(targetpath, folder_name, subfolder_name, ver);
user_path[0] = '\0';
if (test_env_path(user_path, envvar)) {
if (subfolder_name) {
return test_path(targetpath, user_path, NULL, subfolder_name);
}
else {
BLI_strncpy(targetpath, user_path, FILE_MAX);
return true;
}
}
user_base_path = (const char *)GHOST_getUserDir(ver, blender_version_decimal(ver));
if (user_base_path)
BLI_strncpy(user_path, user_base_path, FILE_MAX);
if (!user_path[0])
return false;
#ifdef PATH_DEBUG
printf("%s: %s\n", __func__, user_path);
#endif
if (subfolder_name) {
return test_path(targetpath, user_path, folder_name, subfolder_name);
}
else {
return test_path(targetpath, user_path, NULL, folder_name);
}
}
/**
* Returns the path of a folder within the Blender installation directory.
*
* \param targetpath String to return path
* \param folder_name default name of folder within installation area
* \param subfolder_name optional name of subfolder within folder
* \param envvar name of environment variable which, if defined, overrides folder_name
* \param ver Blender version, used to construct a subdirectory name
* \return true if it was able to construct such a path.
*/
static bool get_path_system(
char *targetpath, const char *folder_name, const char *subfolder_name,
const char *envvar, const int ver)
{
char system_path[FILE_MAX];
const char *system_base_path;
char cwd[FILE_MAX];
char relfolder[FILE_MAX];
if (folder_name) {
if (subfolder_name) {
BLI_join_dirfile(relfolder, sizeof(relfolder), folder_name, subfolder_name);
}
else {
BLI_strncpy(relfolder, folder_name, sizeof(relfolder));
}
}
else {
relfolder[0] = '\0';
}
/* first allow developer only overrides to the system path
* these are only used when running blender from source */
/* try CWD/release/folder_name */
if (BLI_current_working_dir(cwd, sizeof(cwd))) {
if (test_path(targetpath, cwd, "release", relfolder)) {
return true;
}
}
/* try EXECUTABLE_DIR/release/folder_name */
if (test_path(targetpath, bprogdir, "release", relfolder))
return true;
/* end developer overrides */
system_path[0] = '\0';
if (test_env_path(system_path, envvar)) {
if (subfolder_name) {
return test_path(targetpath, system_path, NULL, subfolder_name);
}
else {
BLI_strncpy(targetpath, system_path, FILE_MAX);
return true;
}
}
system_base_path = (const char *)GHOST_getSystemDir(ver, blender_version_decimal(ver));
if (system_base_path)
BLI_strncpy(system_path, system_base_path, FILE_MAX);
if (!system_path[0])
return false;
#ifdef PATH_DEBUG
printf("%s: %s\n", __func__, system_path);
#endif
if (subfolder_name) {
/* try $BLENDERPATH/folder_name/subfolder_name */
return test_path(targetpath, system_path, folder_name, subfolder_name);
}
else {
/* try $BLENDERPATH/folder_name */
return test_path(targetpath, system_path, NULL, folder_name);
}
}
/* get a folder out of the 'folder_id' presets for paths */
/* returns the path if found, NULL string if not */
const char *BKE_appdir_folder_id(const int folder_id, const char *subfolder)
{
const int ver = BLENDER_VERSION;
static char path[FILE_MAX] = "";
switch (folder_id) {
case BLENDER_DATAFILES: /* general case */
if (get_path_user(path, "datafiles", subfolder, "BLENDER_USER_DATAFILES", ver)) break;
if (get_path_local(path, "datafiles", subfolder, ver)) break;
if (get_path_system(path, "datafiles", subfolder, "BLENDER_SYSTEM_DATAFILES", ver)) break;
return NULL;
case BLENDER_USER_DATAFILES:
if (get_path_user(path, "datafiles", subfolder, "BLENDER_USER_DATAFILES", ver)) break;
return NULL;
case BLENDER_SYSTEM_DATAFILES:
if (get_path_local(path, "datafiles", subfolder, ver)) break;
if (get_path_system(path, "datafiles", subfolder, "BLENDER_SYSTEM_DATAFILES", ver)) break;
return NULL;
case BLENDER_USER_AUTOSAVE:
if (get_path_user(path, "autosave", subfolder, "BLENDER_USER_DATAFILES", ver)) break;
return NULL;
case BLENDER_USER_CONFIG:
if (get_path_user(path, "config", subfolder, "BLENDER_USER_CONFIG", ver)) break;
return NULL;
case BLENDER_USER_SCRIPTS:
if (get_path_user(path, "scripts", subfolder, "BLENDER_USER_SCRIPTS", ver)) break;
return NULL;
case BLENDER_SYSTEM_SCRIPTS:
if (get_path_local(path, "scripts", subfolder, ver)) break;
if (get_path_system(path, "scripts", subfolder, "BLENDER_SYSTEM_SCRIPTS", ver)) break;
return NULL;
case BLENDER_SYSTEM_PYTHON:
if (get_path_local(path, "python", subfolder, ver)) break;
if (get_path_system(path, "python", subfolder, "BLENDER_SYSTEM_PYTHON", ver)) break;
return NULL;
default:
BLI_assert(0);
break;
}
return path;
}
/**
* Returns the path to a folder in the user area without checking that it actually exists first.
*/
const char *BKE_appdir_folder_id_user_notest(const int folder_id, const char *subfolder)
{
const int ver = BLENDER_VERSION;
static char path[FILE_MAX] = "";
switch (folder_id) {
case BLENDER_USER_DATAFILES:
get_path_user(path, "datafiles", subfolder, "BLENDER_USER_DATAFILES", ver);
break;
case BLENDER_USER_CONFIG:
get_path_user(path, "config", subfolder, "BLENDER_USER_CONFIG", ver);
break;
case BLENDER_USER_AUTOSAVE:
get_path_user(path, "autosave", subfolder, "BLENDER_USER_AUTOSAVE", ver);
break;
case BLENDER_USER_SCRIPTS:
get_path_user(path, "scripts", subfolder, "BLENDER_USER_SCRIPTS", ver);
break;
default:
BLI_assert(0);
break;
}
if ('\0' == path[0]) {
return NULL;
}
return path;
}
/**
* Returns the path to a folder in the user area, creating it if it doesn't exist.
*/
const char *BKE_appdir_folder_id_create(const int folder_id, const char *subfolder)
{
const char *path;
/* only for user folders */
if (!ELEM(folder_id, BLENDER_USER_DATAFILES, BLENDER_USER_CONFIG, BLENDER_USER_SCRIPTS, BLENDER_USER_AUTOSAVE))
return NULL;
path = BKE_appdir_folder_id(folder_id, subfolder);
if (!path) {
path = BKE_appdir_folder_id_user_notest(folder_id, subfolder);
if (path) BLI_dir_create_recursive(path);
}
return path;
}
/**
* Returns the path of the top-level version-specific local, user or system directory.
* If do_check, then the result will be NULL if the directory doesn't exist.
*/
const char *BKE_appdir_folder_id_version(const int folder_id, const int ver, const bool do_check)
{
static char path[FILE_MAX] = "";
bool ok;
switch (folder_id) {
case BLENDER_RESOURCE_PATH_USER:
ok = get_path_user(path, NULL, NULL, NULL, ver);
break;
case BLENDER_RESOURCE_PATH_LOCAL:
ok = get_path_local(path, NULL, NULL, ver);
break;
case BLENDER_RESOURCE_PATH_SYSTEM:
ok = get_path_system(path, NULL, NULL, NULL, ver);
break;
default:
path[0] = '\0'; /* in case do_check is false */
ok = false;
BLI_assert(!"incorrect ID");
break;
}
if (!ok && do_check) {
return NULL;
}
return path;
}
#ifdef PATH_DEBUG
# undef PATH_DEBUG
#endif
/* -------------------------------------------------------------------- */
/* Preset paths */
/**
* Checks if name is a fully qualified filename to an executable.
* If not it searches $PATH for the file. On Windows it also
* adds the correct extension (.com .exe etc) from
* $PATHEXT if necessary. Also on Windows it translates
* the name to its 8.3 version to prevent problems with
* spaces and stuff. Final result is returned in fullname.
*
* \param fullname The full path and full name of the executable
* (must be FILE_MAX minimum)
* \param name The name of the executable (usually argv[0]) to be checked
*/
static void where_am_i(char *fullname, const size_t maxlen, const char *name)
{
#ifdef WITH_BINRELOC
/* linux uses binreloc since argv[0] is not reliable, call br_init( NULL ) first */
{
const char *path = NULL;
path = br_find_exe(NULL);
if (path) {
BLI_strncpy(fullname, path, maxlen);
free((void *)path);
return;
}
}
#endif
#ifdef _WIN32
{
wchar_t *fullname_16 = MEM_mallocN(maxlen * sizeof(wchar_t), "ProgramPath");
if (GetModuleFileNameW(0, fullname_16, maxlen)) {
conv_utf_16_to_8(fullname_16, fullname, maxlen);
if (!BLI_exists(fullname)) {
printf("path can't be found: \"%.*s\"\n", (int)maxlen, fullname);
MessageBox(NULL, "path contains invalid characters or is too long (see console)", "Error", MB_OK);
}
MEM_freeN(fullname_16);
return;
}
MEM_freeN(fullname_16);
}
#endif
/* unix and non linux */
if (name && name[0]) {
BLI_strncpy(fullname, name, maxlen);
if (name[0] == '.') {
BLI_path_cwd(fullname, maxlen);
#ifdef _WIN32
BLI_path_program_extensions_add_win32(fullname, maxlen);
#endif
}
else if (BLI_last_slash(name)) {
// full path
BLI_strncpy(fullname, name, maxlen);
#ifdef _WIN32
BLI_path_program_extensions_add_win32(fullname, maxlen);
#endif
}
else {
BLI_path_program_search(fullname, maxlen, name);
}
#if defined(DEBUG)
if (!STREQ(name, fullname)) {
printf("guessing '%s' == '%s'\n", name, fullname);
}
#endif
}
}
void BKE_appdir_program_path_init(const char *argv0)
{
where_am_i(bprogname, sizeof(bprogname), argv0);
BLI_split_dir_part(bprogname, bprogdir, sizeof(bprogdir));
}
/**
* Path to executable
*/
const char *BKE_appdir_program_path(void)
{
return bprogname;
}
/**
* Path to directory of executable
*/
const char *BKE_appdir_program_dir(void)
{
return bprogdir;
}
bool BKE_appdir_program_python_search(
char *fullpath, const size_t fullpath_len,
const int version_major, const int version_minor)
{
#ifdef PYTHON_EXECUTABLE_NAME
/* passed in from the build-systems 'PYTHON_EXECUTABLE' */
const char *python_build_def = STRINGIFY(PYTHON_EXECUTABLE_NAME);
#endif
const char *basename = "python";
char python_ver[16];
/* check both possible names */
const char *python_names[] = {
#ifdef PYTHON_EXECUTABLE_NAME
python_build_def,
#endif
python_ver,
basename,
};
int i;
bool is_found = false;
BLI_snprintf(python_ver, sizeof(python_ver), "%s%d.%d", basename, version_major, version_minor);
{
const char *python_bin_dir = BKE_appdir_folder_id(BLENDER_SYSTEM_PYTHON, "bin");
if (python_bin_dir) {
for (i = 0; i < ARRAY_SIZE(python_names); i++) {
BLI_join_dirfile(fullpath, fullpath_len, python_bin_dir, python_names[i]);
if (
#ifdef _WIN32
BLI_path_program_extensions_add_win32(fullpath, fullpath_len)
#else
BLI_exists(fullpath)
#endif
)
{
is_found = true;
break;
}
}
}
}
if (is_found == false) {
for (i = 0; i < ARRAY_SIZE(python_names); i++) {
if (BLI_path_program_search(fullpath, fullpath_len, python_names[i])) {
is_found = true;
break;
}
}
}
if (is_found == false) {
*fullpath = '\0';
}
return is_found;
}
/**
* Gets the temp directory when blender first runs.
* If the default path is not found, use try $TEMP
*
* Also make sure the temp dir has a trailing slash
*
* \param fullname The full path to the temporary temp directory
* \param basename The full path to the persistent temp directory (may be NULL)
* \param maxlen The size of the fullname buffer
* \param userdir Directory specified in user preferences
*/
static void where_is_temp(char *fullname, char *basename, const size_t maxlen, char *userdir)
{
/* Clear existing temp dir, if needed. */
BKE_tempdir_session_purge();
fullname[0] = '\0';
if (basename) {
basename[0] = '\0';
}
if (userdir && BLI_is_dir(userdir)) {
BLI_strncpy(fullname, userdir, maxlen);
}
#ifdef WIN32
if (fullname[0] == '\0') {
const char *tmp = getenv("TEMP"); /* Windows */
if (tmp && BLI_is_dir(tmp)) {
BLI_strncpy(fullname, tmp, maxlen);
}
}
#else
/* Other OS's - Try TMP and TMPDIR */
if (fullname[0] == '\0') {
const char *tmp = getenv("TMP");
if (tmp && BLI_is_dir(tmp)) {
BLI_strncpy(fullname, tmp, maxlen);
}
}
if (fullname[0] == '\0') {
const char *tmp = getenv("TMPDIR");
if (tmp && BLI_is_dir(tmp)) {
BLI_strncpy(fullname, tmp, maxlen);
}
}
#endif
if (fullname[0] == '\0') {
BLI_strncpy(fullname, "/tmp/", maxlen);
}
else {
/* add a trailing slash if needed */
BLI_add_slash(fullname);
#ifdef WIN32
if (userdir && userdir != fullname) {
/* also set user pref to show %TEMP%. /tmp/ is just plain confusing for Windows users. */
BLI_strncpy(userdir, fullname, maxlen);
}
#endif
}
/* Now that we have a valid temp dir, add system-generated unique sub-dir. */
if (basename) {
/* 'XXXXXX' is kind of tag to be replaced by mktemp-familly by an uuid. */
char *tmp_name = BLI_strdupcat(fullname, "blender_XXXXXX");
const size_t ln = strlen(tmp_name) + 1;
if (ln <= maxlen) {
#ifdef WIN32
if (_mktemp_s(tmp_name, ln) == 0) {
BLI_dir_create_recursive(tmp_name);
}
#else
mkdtemp(tmp_name);
#endif
}
if (BLI_is_dir(tmp_name)) {
BLI_strncpy(basename, fullname, maxlen);
BLI_strncpy(fullname, tmp_name, maxlen);
BLI_add_slash(fullname);
}
else {
printf("Warning! Could not generate a temp file name for '%s', falling back to '%s'\n", tmp_name, fullname);
}
MEM_freeN(tmp_name);
}
}
/**
* Sets btempdir_base to userdir if specified and is a valid directory, otherwise
* chooses a suitable OS-specific temporary directory.
* Sets btempdir_session to a mkdtemp-generated sub-dir of btempdir_base.
*
* \note On Window userdir will be set to the temporary directory!
*/
void BKE_tempdir_init(char *userdir)
{
where_is_temp(btempdir_session, btempdir_base, FILE_MAX, userdir);
}
/**
* Path to temporary directory (with trailing slash)
*/
const char *BKE_tempdir_session(void)
{
return btempdir_session[0] ? btempdir_session : BKE_tempdir_base();
}
/**
* Path to persistent temporary directory (with trailing slash)
*/
const char *BKE_tempdir_base(void)
{
return btempdir_base;
}
/**
* Path to the system temporary directory (with trailing slash)
*/
void BKE_tempdir_system_init(char *dir)
{
where_is_temp(dir, NULL, FILE_MAX, NULL);
}
/**
* Delete content of this instance's temp dir.
*/
void BKE_tempdir_session_purge(void)
{
if (btempdir_session[0] && BLI_is_dir(btempdir_session)) {
BLI_delete(btempdir_session, true, true);
}
}
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