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for (j = 0; j < egl_icd_details->len; j++)
{
IcdDetails *details = g_ptr_array_index (egl_icd_details, j);
SrtEglIcd *icd = SRT_EGL_ICD (details->icd);
if (!srt_egl_icd_check_error (icd, NULL))
continue;
details->resolved_library = srt_egl_icd_resolve_library_path (icd);
g_assert (details->resolved_library != NULL);
if (!bind_icd (i,
j,
tool_path,
mount_runtime_on_scratch,
scratch,
libdir_on_host,
libdir_in_container,
"glvnd",
details,
error))
return FALSE;
}
g_debug ("Collecting %s Vulkan drivers from host system...",
multiarch_tuples[i]);
temp_bwrap = flatpak_bwrap_new (NULL);
g_warn_if_fail (mount_runtime_on_scratch->fds == NULL
|| mount_runtime_on_scratch->fds->len == 0);
flatpak_bwrap_append_bwrap (temp_bwrap, mount_runtime_on_scratch);
flatpak_bwrap_add_args (temp_bwrap,
tool_path,
"--container", scratch,
"--link-target", "/run/host",
"--dest", libdir_on_host,
"--provider", "/",
"if-exists:if-same-abi:soname:libvulkan.so.1",
NULL);
flatpak_bwrap_finish (temp_bwrap);
if (!pv_bwrap_run_sync (temp_bwrap, NULL, error))
return FALSE;
g_clear_pointer (&temp_bwrap, flatpak_bwrap_free);
for (j = 0; j < vulkan_icd_details->len; j++)
{
IcdDetails *details = g_ptr_array_index (vulkan_icd_details, j);
SrtVulkanIcd *icd = SRT_VULKAN_ICD (details->icd);
if (!srt_vulkan_icd_check_error (icd, NULL))
continue;
details->resolved_library = srt_vulkan_icd_resolve_library_path (icd);
g_assert (details->resolved_library != NULL);
if (!bind_icd (i,
j,
tool_path,
mount_runtime_on_scratch,
scratch,
libdir_on_host,
libdir_in_container,
"vulkan",
details,
error))
return FALSE;
}
libc = g_build_filename (libdir_on_host, "libc.so.6", NULL);
/* If we are going to use the host system's libc6 (likely)
* then we have to use its ld.so too. */
if (g_file_test (libc, G_FILE_TEST_IS_SYMLINK))
{
g_autofree gchar *ld_so_in_host = NULL;
g_debug ("Making host ld.so visible in container");
ld_so_in_host = flatpak_canonicalize_filename (ld_so);
g_debug ("Host path: %s -> %s", ld_so, ld_so_in_host);
g_clear_pointer (&temp_bwrap, flatpak_bwrap_free);
temp_bwrap = flatpak_bwrap_new (NULL);
flatpak_bwrap_add_args (temp_bwrap,
bwrap->argv->pdata[0],
NULL);
if (!pv_bwrap_bind_usr (temp_bwrap, runtime, "/", error))
flatpak_bwrap_add_args (temp_bwrap,
"readlink", "-f", ld_so,
NULL);
flatpak_bwrap_finish (temp_bwrap);
g_debug ("Container path: %s -> %s", ld_so, ld_so_in_runtime);
flatpak_bwrap_add_args (bwrap,
"--ro-bind", ld_so_in_host,
ld_so_in_runtime,
/* Collect miscellaneous libraries that libc might dlopen.
* At the moment this is just libidn2. */
temp_bwrap = flatpak_bwrap_new (NULL);
g_warn_if_fail (mount_runtime_on_scratch->fds == NULL
|| mount_runtime_on_scratch->fds->len == 0);
flatpak_bwrap_append_bwrap (temp_bwrap, mount_runtime_on_scratch);
flatpak_bwrap_add_args (temp_bwrap,
tool_path,
"--container", scratch,
"--link-target", "/run/host",
"--dest", libdir_on_host,
"--provider", "/",
"if-exists:libidn2.so.0",
NULL);
flatpak_bwrap_finish (temp_bwrap);
if (!pv_bwrap_run_sync (temp_bwrap, NULL, error))
g_clear_pointer (&temp_bwrap, flatpak_bwrap_free);
any_libc_from_host = TRUE;
}
else
{
all_libc_from_host = FALSE;
/* /lib32 or /lib64 */
g_assert (i < G_N_ELEMENTS (libquals));
libqual = libquals[i];
dirs = g_new0 (gchar *, 7);
dirs[0] = g_build_filename ("/lib", multiarch_tuples[i], NULL);
dirs[1] = g_build_filename ("/usr", "lib", multiarch_tuples[i], NULL);
dirs[2] = g_strdup ("/lib");
dirs[3] = g_strdup ("/usr/lib");
dirs[4] = g_build_filename ("/", libqual, NULL);
dirs[5] = g_build_filename ("/usr", libqual, NULL);
for (j = 0; j < 6; j++)
if (!try_bind_dri (bwrap, mount_runtime_on_scratch,
overrides, scratch, tool_path, dirs[j],
libdir_on_host, error))
}
}
else
{
g_debug ("Cannot determine ld.so for %s", multiarch_tuples[i]);
}
}
if (!any_architecture_works)
{
GString *archs = g_string_new ("");
g_assert (multiarch_tuples[G_N_ELEMENTS (multiarch_tuples) - 1] == NULL);
for (i = 0; i < G_N_ELEMENTS (multiarch_tuples) - 1; i++)
{
if (archs->len > 0)
g_string_append (archs, ", ");
g_string_append (archs, multiarch_tuples[i]);
}
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"None of the supported CPU architectures are common to "
"the host system and the container (tried: %s)",
archs->str);
g_string_free (archs, TRUE);
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if (any_libc_from_host && !all_libc_from_host)
{
/*
* This shouldn't happen. It would mean that there exist at least
* two architectures (let's say aaa and bbb) for which we have:
* host libc6:aaa < container libc6 < host libc6:bbb
* (we know that the container's libc6:aaa and libc6:bbb are
* constrained to be the same version because that's how multiarch
* works).
*
* If the host system locales work OK with both the aaa and bbb
* versions, let's assume they will also work with the intermediate
* version from the container...
*/
g_warning ("Using glibc from host system for some but not all "
"architectures! Arbitrarily using host locales.");
}
if (any_libc_from_host)
{
g_debug ("Making host locale data visible in container");
if (g_file_test ("/usr/lib/locale", G_FILE_TEST_EXISTS))
flatpak_bwrap_add_args (bwrap,
"--ro-bind", "/usr/lib/locale",
"/usr/lib/locale",
NULL);
if (g_file_test ("/usr/share/i18n", G_FILE_TEST_EXISTS))
flatpak_bwrap_add_args (bwrap,
"--ro-bind", "/usr/share/i18n",
"/usr/share/i18n",
NULL);
localedef = g_find_program_in_path ("localedef");
if (localedef == NULL)
{
g_warning ("Cannot find localedef in PATH");
}
else
{
g_autofree gchar *target = g_build_filename ("/run/host",
localedef, NULL);
flatpak_bwrap_add_args (bwrap,
"--symlink", target,
"/overrides/bin/localedef",
NULL);
}
}
else
{
g_debug ("Using included locale data from container");
}
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g_debug ("Setting up EGL ICD JSON...");
dir_on_host = g_build_filename (overrides,
"share", "glvnd", "egl_vendor.d", NULL);
if (g_mkdir_with_parents (dir_on_host, 0700) != 0)
{
glnx_throw_errno_prefix (error, "Unable to create %s", dir_on_host);
return FALSE;
}
for (j = 0; j < egl_icd_details->len; j++)
{
IcdDetails *details = g_ptr_array_index (egl_icd_details, j);
SrtEglIcd *icd = SRT_EGL_ICD (details->icd);
gboolean need_host_json = FALSE;
if (!srt_egl_icd_check_error (icd, NULL))
continue;
for (i = 0; i < G_N_ELEMENTS (multiarch_tuples) - 1; i++)
{
g_assert (i < G_N_ELEMENTS (details->kinds));
g_assert (i < G_N_ELEMENTS (details->paths_in_container));
if (details->kinds[i] == ICD_KIND_ABSOLUTE)
{
g_autoptr(SrtEglIcd) replacement = NULL;
g_autofree gchar *json_on_host = NULL;
g_autofree gchar *json_in_container = NULL;
g_autofree gchar *json_base = NULL;
g_assert (details->paths_in_container[i] != NULL);
json_base = g_strdup_printf ("%" G_GSIZE_FORMAT "-%s.json",
j, multiarch_tuples[i]);
json_on_host = g_build_filename (dir_on_host, json_base, NULL);
json_in_container = g_build_filename ("/overrides", "share",
"glvnd", "egl_vendor.d",
json_base, NULL);
replacement = srt_egl_icd_new_replace_library_path (icd,
details->paths_in_container[i]);
if (!srt_egl_icd_write_to_file (replacement, json_on_host,
error))
return FALSE;
search_path_append (egl_path, json_in_container);
}
else if (details->kinds[i] == ICD_KIND_SONAME)
{
need_host_json = TRUE;
}
}
if (need_host_json)
{
g_autofree gchar *json_in_container = NULL;
g_autofree gchar *json_base = NULL;
const char *json_on_host = srt_egl_icd_get_json_path (icd);
json_base = g_strdup_printf ("%" G_GSIZE_FORMAT ".json", j);
json_in_container = g_build_filename ("/overrides", "share",
"glvnd", "egl_vendor.d",
json_base, NULL);
flatpak_bwrap_add_args (bwrap,
"--ro-bind", json_on_host, json_in_container,
NULL);
search_path_append (egl_path, json_in_container);
}
}
g_debug ("Setting up Vulkan ICD JSON...");
dir_on_host = g_build_filename (overrides,
"share", "vulkan", "icd.d", NULL);
if (g_mkdir_with_parents (dir_on_host, 0700) != 0)
{
glnx_throw_errno_prefix (error, "Unable to create %s", dir_on_host);
return FALSE;
}
for (j = 0; j < vulkan_icd_details->len; j++)
{
IcdDetails *details = g_ptr_array_index (vulkan_icd_details, j);
SrtVulkanIcd *icd = SRT_VULKAN_ICD (details->icd);
gboolean need_host_json = FALSE;
if (!srt_vulkan_icd_check_error (icd, NULL))
continue;
for (i = 0; i < G_N_ELEMENTS (multiarch_tuples) - 1; i++)
{
g_assert (i < G_N_ELEMENTS (details->kinds));
g_assert (i < G_N_ELEMENTS (details->paths_in_container));
if (details->kinds[i] == ICD_KIND_ABSOLUTE)
{
g_autoptr(SrtVulkanIcd) replacement = NULL;
g_autofree gchar *json_on_host = NULL;
g_autofree gchar *json_in_container = NULL;
g_autofree gchar *json_base = NULL;
g_assert (details->paths_in_container[i] != NULL);
json_base = g_strdup_printf ("%" G_GSIZE_FORMAT "-%s.json",
j, multiarch_tuples[i]);
json_on_host = g_build_filename (dir_on_host, json_base, NULL);
json_in_container = g_build_filename ("/overrides", "share",
"vulkan", "icd.d",
json_base, NULL);
replacement = srt_vulkan_icd_new_replace_library_path (icd,
details->paths_in_container[i]);
if (!srt_vulkan_icd_write_to_file (replacement, json_on_host,
error))
return FALSE;
search_path_append (vulkan_path, json_in_container);
}
else if (details->kinds[i] == ICD_KIND_SONAME)
{
need_host_json = TRUE;
}
}
if (need_host_json)
{
g_autofree gchar *json_in_container = NULL;
g_autofree gchar *json_base = NULL;
const char *json_on_host = srt_vulkan_icd_get_json_path (icd);
json_base = g_strdup_printf ("%" G_GSIZE_FORMAT ".json", j);
json_in_container = g_build_filename ("/overrides", "share",
"vulkan", "icd.d",
json_base, NULL);
flatpak_bwrap_add_args (bwrap,
"--ro-bind", json_on_host, json_in_container,
NULL);
search_path_append (vulkan_path, json_in_container);
}
}
if (!pv_bwrap_bind_usr (bwrap, "/", "/run/host", error))
ensure_locales (any_libc_from_host, tools_dir, bwrap, overrides);
if (dri_path->len != 0)
flatpak_bwrap_add_args (bwrap,
"--setenv", "LIBGL_DRIVERS_PATH", dri_path->str,
NULL);
else
flatpak_bwrap_add_args (bwrap,
"--unsetenv", "LIBGL_DRIVERS_PATH",
NULL);
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if (egl_path->len != 0)
flatpak_bwrap_add_args (bwrap,
"--setenv", "__EGL_VENDOR_LIBRARY_FILENAMES",
egl_path->str, NULL);
else
flatpak_bwrap_add_args (bwrap,
"--unsetenv", "__EGL_VENDOR_LIBRARY_FILENAMES",
NULL);
flatpak_bwrap_add_args (bwrap,
"--unsetenv", "__EGL_VENDOR_LIBRARY_DIRS",
NULL);
if (vulkan_path->len != 0)
flatpak_bwrap_add_args (bwrap,
"--setenv", "VK_ICD_FILENAMES",
vulkan_path->str, NULL);
else
flatpak_bwrap_add_args (bwrap,
"--unsetenv", "VK_ICD_FILENAMES",
NULL);
/* These can add data fds to @bwrap, so they must come last - after
* other functions stop using @bwrap as a basis for their own bwrap
* invocations with flatpak_bwrap_append_bwrap().
* Otherwise, when flatpak_bwrap_append_bwrap() calls
* flatpak_bwrap_steal_fds(), it will make the original FlatpakBwrap
* unusable. */
flatpak_run_add_wayland_args (bwrap);
flatpak_run_add_x11_args (bwrap, TRUE);
flatpak_run_add_pulseaudio_args (bwrap);
flatpak_run_add_session_dbus_args (bwrap);
flatpak_run_add_system_dbus_args (bwrap);
pv_bwrap_copy_tree (bwrap, overrides, "/overrides");
/* /etc/localtime and /etc/resolv.conf can not exist (or be symlinks to
* non-existing targets), in which case we don't want to attempt to create
* bogus symlinks or bind mounts, as that will cause flatpak run to fail.
*/
if (g_file_test ("/etc/localtime", G_FILE_TEST_EXISTS))
{
g_autofree char *target = NULL;
gboolean is_reachable = FALSE;
g_autofree char *tz = flatpak_get_timezone ();
g_autofree char *timezone_content = g_strdup_printf ("%s\n", tz);
target = glnx_readlinkat_malloc (-1, "/etc/localtime", NULL, NULL);
{
g_autoptr(GFile) base_file = NULL;
g_autoptr(GFile) target_file = NULL;
g_autofree char *target_canonical = NULL;
base_file = g_file_new_for_path ("/etc");
target_file = g_file_resolve_relative_path (base_file, target);
target_canonical = g_file_get_path (target_file);
is_reachable = g_str_has_prefix (target_canonical, "/usr/");
}
if (is_reachable)
{
flatpak_bwrap_add_args (bwrap,
"--symlink", target, "/etc/localtime",
NULL);
}
else
{
flatpak_bwrap_add_args (bwrap,
"--ro-bind", "/etc/localtime", "/etc/localtime",
NULL);
}
flatpak_bwrap_add_args_data (bwrap, "timezone",
timezone_content, -1, "/etc/timezone",
NULL);
}
/* Order matters here: root, steam and steambeta are or might be symlinks
* to the root of the Steam installation, so we want to bind-mount their
* targets before we deal with the rest. */
static const char * const steam_api_subdirs[] =
{
"root", "steam", "steambeta", "bin", "bin32", "bin64", "sdk32", "sdk64",
};
static gboolean
use_fake_home (FlatpakBwrap *bwrap,
const gchar *fake_home,
GError **error)
{
const gchar *real_home = g_get_home_dir ();
g_autofree gchar *cache = g_build_filename (fake_home, ".cache", NULL);
g_autofree gchar *cache2 = g_build_filename (fake_home, "cache", NULL);
g_autofree gchar *tmp = g_build_filename (cache, "tmp", NULL);
g_autofree gchar *config = g_build_filename (fake_home, ".config", NULL);
g_autofree gchar *config2 = g_build_filename (fake_home, "config", NULL);
g_autofree gchar *local = g_build_filename (fake_home, ".local", NULL);
g_autofree gchar *data = g_build_filename (local, "share", NULL);
g_autofree gchar *data2 = g_build_filename (fake_home, "data", NULL);
g_autofree gchar *steam_pid = NULL;
g_autofree gchar *steam_pipe = NULL;
g_autoptr(GHashTable) mounted = NULL;
gsize i;
g_return_val_if_fail (bwrap != NULL, FALSE);
g_return_val_if_fail (fake_home != NULL, FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
g_mkdir_with_parents (fake_home, 0700);
g_mkdir_with_parents (cache, 0700);
g_mkdir_with_parents (tmp, 0700);
g_mkdir_with_parents (config, 0700);
g_mkdir_with_parents (local, 0700);
g_mkdir_with_parents (data, 0700);
if (!g_file_test (cache2, G_FILE_TEST_EXISTS))
{
g_unlink (cache2);
if (symlink (".cache", cache2) != 0)
return glnx_throw_errno_prefix (error,
"Unable to create symlink %s -> .cache",
cache2);
}
if (!g_file_test (config2, G_FILE_TEST_EXISTS))
{
g_unlink (config2);
if (symlink (".config", config2) != 0)
return glnx_throw_errno_prefix (error,
"Unable to create symlink %s -> .config",
config2);
}
if (!g_file_test (data2, G_FILE_TEST_EXISTS))
{
g_unlink (data2);
if (symlink (".local/share", data2) != 0)
return glnx_throw_errno_prefix (error,
"Unable to create symlink %s -> .local/share",
data2);
}
flatpak_bwrap_add_args (bwrap,
"--bind", fake_home, real_home,
"--bind", fake_home, fake_home,
"--bind", tmp, "/var/tmp",
"--setenv", "XDG_CACHE_HOME", cache,
"--setenv", "XDG_CONFIG_HOME", config,
"--setenv", "XDG_DATA_HOME", data,
NULL);
mounted = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, NULL);
/*
* These might be API entry points, according to Steam/steam.sh.
* They're usually symlinks into the Steam root, except for in
* older steam Debian packages that had Debian bug #916303.
*
* TODO: We probably want to hide part or all of root, steam,
* steambeta?
*/
for (i = 0; i < G_N_ELEMENTS (steam_api_subdirs); i++)
{
g_autofree gchar *dir = g_build_filename (real_home, ".steam",
steam_api_subdirs[i], NULL);
g_autofree gchar *mount_point = g_build_filename (fake_home, ".steam",
steam_api_subdirs[i],
NULL);
g_autofree gchar *target = NULL;
target = glnx_readlinkat_malloc (-1, dir, NULL, NULL);
if (target != NULL)
{
/* We used to bind-mount these directories, so transition them
* to symbolic links if we can. */
if (rmdir (mount_point) != 0 && errno != ENOENT && errno != ENOTDIR)
g_debug ("rmdir %s: %s", mount_point, g_strerror (errno));
/* Remove any symlinks that might have already been there. */
if (unlink (mount_point) != 0 && errno != ENOENT)
g_debug ("unlink %s: %s", mount_point, g_strerror (errno));
flatpak_bwrap_add_args (bwrap, "--symlink", target, dir, NULL);
if (strcmp (steam_api_subdirs[i], "root") == 0
|| strcmp (steam_api_subdirs[i], "steam") == 0
|| strcmp (steam_api_subdirs[i], "steambeta") == 0)
{
flatpak_bwrap_add_args (bwrap,
"--ro-bind", target, target,
NULL);
g_hash_table_add (mounted, g_steal_pointer (&target));
}
}
else if (g_file_test (dir, G_FILE_TEST_EXISTS) &&
!g_hash_table_contains (mounted, dir))
{
flatpak_bwrap_add_args (bwrap, "--ro-bind", dir, dir, NULL);
g_hash_table_add (mounted, g_steal_pointer (&dir));
}
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}
/* steamclient.so relies on this for communication with Steam */
steam_pid = g_build_filename (real_home, ".steam", "steam.pid", NULL);
if (g_file_test (steam_pid, G_FILE_TEST_EXISTS))
flatpak_bwrap_add_args (bwrap,
"--ro-bind", steam_pid, steam_pid,
NULL);
/* Make sure Steam IPC is available.
* TODO: do we need this? do we need more? */
steam_pipe = g_build_filename (real_home, ".steam", "steam.pipe", NULL);
if (g_file_test (steam_pipe, G_FILE_TEST_EXISTS))
flatpak_bwrap_add_args (bwrap,
"--bind", steam_pipe, steam_pipe,
NULL);
return TRUE;
}
typedef enum
{
TRISTATE_NO = 0,
TRISTATE_YES,
TRISTATE_MAYBE
} Tristate;
static char **opt_env_if_host = NULL;
static char *opt_fake_home = NULL;
static char *opt_freedesktop_app_id = NULL;
static char *opt_steam_app_id = NULL;
static char *opt_home = NULL;
static gboolean opt_host_fallback = FALSE;
static PvShell opt_shell = PV_SHELL_NONE;
static GPtrArray *opt_ld_preload = NULL;
static char *opt_runtime_base = NULL;
static char *opt_runtime = NULL;
static Tristate opt_share_home = TRISTATE_MAYBE;
static gboolean opt_verbose = FALSE;
static gboolean opt_version = FALSE;
static PvTerminal opt_terminal = PV_TERMINAL_AUTO;
static gboolean
opt_host_ld_preload_cb (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error)
{
gchar *preload = g_strdup_printf ("host:%s", value);
if (opt_ld_preload == NULL)
opt_ld_preload = g_ptr_array_new_with_free_func (g_free);
g_ptr_array_add (opt_ld_preload, g_steal_pointer (&preload));
return TRUE;
}
static gboolean
opt_shell_cb (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error)
{
if (g_strcmp0 (option_name, "--shell-after") == 0)
value = "after";
else if (g_strcmp0 (option_name, "--shell-fail") == 0)
value = "fail";
else if (g_strcmp0 (option_name, "--shell-instead") == 0)
value = "instead";
if (value == NULL || *value == '\0')
{
return TRUE;
}
switch (value[0])
{
case 'a':
if (g_strcmp0 (value, "after") == 0)
{
return TRUE;
}
break;
case 'f':
if (g_strcmp0 (value, "fail") == 0)
{
return TRUE;
}
break;
case 'i':
if (g_strcmp0 (value, "instead") == 0)
{
return TRUE;
}
break;
case 'n':
if (g_strcmp0 (value, "none") == 0 || g_strcmp0 (value, "no") == 0)
{
return TRUE;
}
break;
default:
/* fall through to error */
break;
}
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_FAILED,
"Unknown choice \"%s\" for %s", value, option_name);
return FALSE;
}
static gboolean
opt_terminal_cb (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error)
{
if (g_strcmp0 (option_name, "--tty") == 0)
value = "tty";
else if (g_strcmp0 (option_name, "--xterm") == 0)
value = "xterm";
if (value == NULL || *value == '\0')
{
return TRUE;
}
switch (value[0])
{
case 'a':
if (g_strcmp0 (value, "auto") == 0)
{
return TRUE;
}
break;
case 'n':
if (g_strcmp0 (value, "none") == 0 || g_strcmp0 (value, "no") == 0)
{
return TRUE;
}
break;
case 't':
if (g_strcmp0 (value, "tty") == 0)
{
return TRUE;
}
break;
case 'x':
if (g_strcmp0 (value, "xterm") == 0)
{
return TRUE;
}
break;
default:
/* fall through to error */
break;
}
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_FAILED,
"Unknown choice \"%s\" for %s", value, option_name);
return FALSE;
}
static gboolean
opt_share_home_cb (const gchar *option_name,
const gchar *value,
gpointer data,
GError **error)
{
if (g_strcmp0 (option_name, "--share-home") == 0)
opt_share_home = TRISTATE_YES;
else if (g_strcmp0 (option_name, "--unshare-home") == 0)
opt_share_home = TRISTATE_NO;
else
g_return_val_if_reached (FALSE);
return TRUE;
}
static GOptionEntry options[] =
{
{ "env-if-host", '\0',
G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING_ARRAY, &opt_env_if_host,
"Set VAR=VAL if COMMAND is run with /usr from the host system, "
"but not if it is run with /usr from RUNTIME.", "VAR=VAL" },
{ "freedesktop-app-id", '\0',
G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, &opt_freedesktop_app_id,
"Make --unshare-home use ~/.var/app/ID as home directory, where ID "
"is com.example.MyApp or similar. This interoperates with Flatpak. "
"[Default: $PRESSURE_VESSEL_FDO_APP_ID if set]",
{ "steam-app-id", '\0',
G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, &opt_steam_app_id,
"Make --unshare-home use ~/.var/app/com.steampowered.AppN "
"as home directory. [Default: $SteamAppId]", "N" },
{ "home", '\0',
G_OPTION_FLAG_NONE, G_OPTION_ARG_FILENAME, &opt_home,
"Use HOME as home directory. Implies --unshare-home. "
"[Default: $PRESSURE_VESSEL_HOME if set]", "HOME" },
{ "host-fallback", '\0',
G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, &opt_host_fallback,
"Run COMMAND on the host system if we cannot run it in a container.", NULL },
{ "host-ld-preload", '\0',
G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK, &opt_host_ld_preload_cb,
"Add MODULE from the host system to LD_PRELOAD when executing COMMAND.",
"MODULE" },
{ "runtime", '\0',
G_OPTION_FLAG_NONE, G_OPTION_ARG_FILENAME, &opt_runtime,
"Mount the given sysroot or merged /usr in the container, and augment "
"it with the host system's graphics stack. The empty string "
"means don't use a runtime. [Default: $PRESSURE_VESSEL_RUNTIME or '']",
{ "runtime-base", '\0',
G_OPTION_FLAG_NONE, G_OPTION_ARG_FILENAME, &opt_runtime_base,
"If a --runtime is a relative path, look for it relative to BASE. "
"[Default: $PRESSURE_VESSEL_RUNTIME_BASE or '.']",
"BASE" },
{ "share-home", '\0',
G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, opt_share_home_cb,
"Use the real home directory. "
"[Default unless $PRESSURE_VESSEL_HOME is set or "
"$PRESSURE_VESSEL_SHARE_HOME is 0]",
NULL },
{ "unshare-home", '\0',
G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, opt_share_home_cb,
"Use an app-specific home directory chosen according to --home, "
"--freedesktop-app-id, --steam-app-id or $SteamAppId. "
"[Default if $PRESSURE_VESSEL_HOME is set or "
"$PRESSURE_VESSEL_SHARE_HOME is 0]",
NULL },
{ "shell", '\0',
G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK, opt_shell_cb,
"--shell=after is equivalent to --shell-after, and so on. "
"[Default: $PRESSURE_VESSEL_SHELL or 'none']",
"{none|after|fail|instead}" },
{ "shell-after", '\0',
G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, opt_shell_cb,
"Run an interactive shell after COMMAND. Executing \"$@\" in that "
"shell will re-run COMMAND [ARGS].",
NULL },
{ "shell-fail", '\0',
G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, opt_shell_cb,
"Run an interactive shell after COMMAND, but only if it fails.",
NULL },
{ "shell-instead", '\0',
G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, opt_shell_cb,
"Run an interactive shell instead of COMMAND. Executing \"$@\" in that "
"shell will run COMMAND [ARGS].",
NULL },
{ "terminal", '\0',
G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK, opt_terminal_cb,
"none: disable features that would use a terminal; "
"auto: equivalent to xterm if a --shell option is used, or none; "
"xterm: put game output (and --shell if used) in an xterm; "
"tty: put game output (and --shell if used) on Steam's "
"controlling tty "
"[Default: $PRESSURE_VESSEL_TERMINAL or 'auto']",
"{none|auto|xterm|tty}" },
{ "tty", '\0',
G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, opt_terminal_cb,
"Equivalent to --terminal=tty", NULL },
{ "xterm", '\0',
G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, opt_terminal_cb,
"Equivalent to --terminal=xterm", NULL },
{ "verbose", '\0',
G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, &opt_verbose,
"Be more verbose.", NULL },
{ "version", '\0',
G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, &opt_version,
"Print version number and exit.", NULL },
{ NULL }
};
static gboolean
boolean_environment (const gchar *name,
gboolean def)
{
const gchar *value = g_getenv (name);
if (g_strcmp0 (value, "1") == 0)
return TRUE;
if (g_strcmp0 (value, "") == 0 || g_strcmp0 (value, "0") == 0)
return FALSE;
if (value != NULL)
g_warning ("Unrecognised value \"%s\" for $%s", value, name);
return def;
}
static Tristate
tristate_environment (const gchar *name)
{
const gchar *value = g_getenv (name);
if (g_strcmp0 (value, "1") == 0)
return TRISTATE_YES;
if (g_strcmp0 (value, "0") == 0)
return TRISTATE_NO;
if (value != NULL && value[0] != '\0')
g_warning ("Unrecognised value \"%s\" for $%s", value, name);
return TRISTATE_MAYBE;
}
static void
cli_log_func (const gchar *log_domain,
GLogLevelFlags log_level,
const gchar *message,
gpointer user_data)
{
g_printerr ("%s: %s\n", (const char *) user_data, message);
}
int
main (int argc,
char *argv[])
{
g_autoptr(GError) local_error = NULL;
GError **error = &local_error;
int ret = 2;
gsize i;
g_auto(GStrv) original_argv = NULL;
int original_argc = argc;
g_autoptr(FlatpakBwrap) bwrap = NULL;
g_autoptr(FlatpakBwrap) wrapped_command = NULL;
g_autofree gchar *tmpdir = NULL;
g_autofree gchar *scratch = NULL;
g_autofree gchar *overrides = NULL;
g_autofree gchar *overrides_bin = NULL;
g_autofree gchar *bwrap_executable = NULL;
g_autoptr(GString) ld_library_path = g_string_new ("");
g_autoptr(GString) bin_path = g_string_new ("");
g_autoptr(GString) adjusted_ld_preload = g_string_new ("");
g_autofree gchar *cwd_p = NULL;
g_autofree gchar *cwd_l = NULL;
const gchar *home;
g_autofree gchar *bwrap_help = NULL;
g_autofree gchar *tools_dir = NULL;
const gchar *bwrap_help_argv[] = { "<bwrap>", "--help", NULL };
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g_set_prgname ("pressure-vessel-wrap");
g_log_set_handler (G_LOG_DOMAIN,
G_LOG_LEVEL_WARNING | G_LOG_LEVEL_MESSAGE,
cli_log_func, (void *) g_get_prgname ());
original_argv = g_new0 (char *, argc + 1);
for (i = 0; i < argc; i++)
original_argv[i] = g_strdup (argv[i]);
if (g_getenv ("STEAM_RUNTIME") != NULL)
{
g_printerr ("%s: This program should not be run in the Steam Runtime.",
g_get_prgname ());
g_printerr ("%s: Use pressure-vessel-unruntime instead.",
g_get_prgname ());
ret = 2;
goto out;
}
/* Set defaults */