Merge pull request #1498 from emersion/config

Add minimal config subsystem
master
Drew DeVault 7 years ago committed by GitHub
commit 3fe64482bb
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GPG Key ID: 4AEE18F83AFDEB23

@ -46,6 +46,16 @@ struct cmd_results *checkarg(int argc, const char *name,
* Parse and handles a command. * Parse and handles a command.
*/ */
struct cmd_results *handle_command(char *command); struct cmd_results *handle_command(char *command);
/**
* Parse and handles a command during config file loading.
*
* Do not use this under normal conditions.
*/
struct cmd_results *config_command(char *command, enum cmd_status block);
/*
* Parses a command policy rule.
*/
struct cmd_results *config_commands_command(char *exec);
/** /**
* Allocates a cmd_results object. * Allocates a cmd_results object.
*/ */

@ -0,0 +1,405 @@
#ifndef _SWAY_CONFIG_H
#define _SWAY_CONFIG_H
#define PID_WORKSPACE_TIMEOUT 60
#include <libinput.h>
#include <stdint.h>
#include <string.h>
#include <wlr/types/wlr_box.h>
#include <xkbcommon/xkbcommon.h>
#include <time.h>
#include "list.h"
#include "layout.h"
#include "container.h"
/**
* Describes a variable created via the `set` command.
*/
struct sway_variable {
char *name;
char *value;
};
/**
* A key binding and an associated command.
*/
struct sway_binding {
int order;
bool release;
bool bindcode;
list_t *keys;
uint32_t modifiers;
char *command;
};
/**
* A mouse binding and an associated command.
*/
struct sway_mouse_binding {
uint32_t button;
char *command;
};
/**
* A "mode" of keybindings created via the `mode` command.
*/
struct sway_mode {
char *name;
list_t *bindings;
};
/**
* libinput options for input devices
*/
struct input_config {
char *identifier;
int accel_profile;
int click_method;
int drag_lock;
int dwt;
int left_handed;
int middle_emulation;
int natural_scroll;
float pointer_accel;
int scroll_method;
int send_events;
int tap;
bool capturable;
struct wlr_box region;
};
/**
* Size and position configuration for a particular output.
*
* This is set via the `output` command.
*/
struct output_config {
char *name;
int enabled;
int width, height;
int x, y;
int scale;
char *background;
char *background_option;
};
/**
* Maps a workspace name to an output name.
*
* Set via `workspace <x> output <y>`
*/
struct workspace_output {
char *output;
char *workspace;
};
struct pid_workspace {
pid_t *pid;
char *workspace;
time_t *time_added;
};
struct bar_config {
/**
* One of "dock", "hide", "invisible"
*
* Always visible in dock mode. Visible only when modifier key is held in hide mode.
* Never visible in invisible mode.
*/
char *mode;
/**
* One of "show" or "hide".
*
* In "show" mode, it will always be shown on top of the active workspace.
*/
char *hidden_state;
/**
* Id name used to identify the bar through IPC.
*
* Defaults to bar-x, where x corresponds to the position of the
* embedding bar block in the config file (bar-0, bar-1, ...).
*/
char *id;
uint32_t modifier;
list_t *outputs;
//enum desktop_shell_panel_position position; // TODO
list_t *bindings;
char *status_command;
bool pango_markup;
char *swaybar_command;
char *font;
int height; // -1 not defined
#ifdef ENABLE_TRAY
// Tray
char *tray_output;
char *icon_theme;
uint32_t tray_padding;
uint32_t activate_button;
uint32_t context_button;
uint32_t secondary_button;
#endif
bool workspace_buttons;
bool wrap_scroll;
char *separator_symbol;
bool strip_workspace_numbers;
bool binding_mode_indicator;
bool verbose;
pid_t pid;
struct {
char *background;
char *statusline;
char *separator;
char *focused_background;
char *focused_statusline;
char *focused_separator;
char *focused_workspace_border;
char *focused_workspace_bg;
char *focused_workspace_text;
char *active_workspace_border;
char *active_workspace_bg;
char *active_workspace_text;
char *inactive_workspace_border;
char *inactive_workspace_bg;
char *inactive_workspace_text;
char *urgent_workspace_border;
char *urgent_workspace_bg;
char *urgent_workspace_text;
char *binding_mode_border;
char *binding_mode_bg;
char *binding_mode_text;
} colors;
};
struct border_colors {
uint32_t border;
uint32_t background;
uint32_t text;
uint32_t indicator;
uint32_t child_border;
};
enum edge_border_types {
E_NONE, /**< Don't hide edge borders */
E_VERTICAL, /**< hide vertical edge borders */
E_HORIZONTAL, /**< hide horizontal edge borders */
E_BOTH, /**< hide vertical and horizontal edge borders */
E_SMART /**< hide both if precisely one window is present in workspace */
};
enum command_context {
CONTEXT_CONFIG = 1,
CONTEXT_BINDING = 2,
CONTEXT_IPC = 4,
CONTEXT_CRITERIA = 8,
CONTEXT_ALL = 0xFFFFFFFF,
};
struct command_policy {
char *command;
uint32_t context;
};
enum secure_feature {
FEATURE_LOCK = 1,
FEATURE_PANEL = 2,
FEATURE_BACKGROUND = 4,
FEATURE_SCREENSHOT = 8,
FEATURE_FULLSCREEN = 16,
FEATURE_KEYBOARD = 32,
FEATURE_MOUSE = 64,
};
struct feature_policy {
char *program;
uint32_t features;
};
enum ipc_feature {
IPC_FEATURE_COMMAND = 1,
IPC_FEATURE_GET_WORKSPACES = 2,
IPC_FEATURE_GET_OUTPUTS = 4,
IPC_FEATURE_GET_TREE = 8,
IPC_FEATURE_GET_MARKS = 16,
IPC_FEATURE_GET_BAR_CONFIG = 32,
IPC_FEATURE_GET_VERSION = 64,
IPC_FEATURE_GET_INPUTS = 128,
IPC_FEATURE_EVENT_WORKSPACE = 256,
IPC_FEATURE_EVENT_OUTPUT = 512,
IPC_FEATURE_EVENT_MODE = 1024,
IPC_FEATURE_EVENT_WINDOW = 2048,
IPC_FEATURE_EVENT_BINDING = 4096,
IPC_FEATURE_EVENT_INPUT = 8192,
IPC_FEATURE_GET_CLIPBOARD = 16384,
IPC_FEATURE_ALL_COMMANDS = 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128 | 16384,
IPC_FEATURE_ALL_EVENTS = 256 | 512 | 1024 | 2048 | 4096 | 8192,
IPC_FEATURE_ALL = IPC_FEATURE_ALL_COMMANDS | IPC_FEATURE_ALL_EVENTS,
};
struct ipc_policy {
char *program;
uint32_t features;
};
/**
* The configuration struct. The result of loading a config file.
*/
struct sway_config {
list_t *symbols;
list_t *modes;
list_t *bars;
list_t *cmd_queue;
list_t *workspace_outputs;
list_t *pid_workspaces;
list_t *output_configs;
list_t *input_configs;
list_t *criteria;
list_t *no_focus;
list_t *active_bar_modifiers;
struct sway_mode *current_mode;
struct bar_config *current_bar;
uint32_t floating_mod;
uint32_t dragging_key;
uint32_t resizing_key;
char *floating_scroll_up_cmd;
char *floating_scroll_down_cmd;
char *floating_scroll_left_cmd;
char *floating_scroll_right_cmd;
enum swayc_layouts default_orientation;
enum swayc_layouts default_layout;
char *font;
int font_height;
// Flags
bool focus_follows_mouse;
bool mouse_warping;
bool force_focus_wrapping;
bool active;
bool failed;
bool reloading;
bool reading;
bool auto_back_and_forth;
bool seamless_mouse;
bool show_marks;
bool edge_gaps;
bool smart_gaps;
int gaps_inner;
int gaps_outer;
list_t *config_chain;
const char *current_config;
enum swayc_border_types border;
enum swayc_border_types floating_border;
int border_thickness;
int floating_border_thickness;
enum edge_border_types hide_edge_borders;
// border colors
struct {
struct border_colors focused;
struct border_colors focused_inactive;
struct border_colors unfocused;
struct border_colors urgent;
struct border_colors placeholder;
uint32_t background;
} border_colors;
// floating view
int32_t floating_maximum_width;
int32_t floating_maximum_height;
int32_t floating_minimum_width;
int32_t floating_minimum_height;
// Security
list_t *command_policies;
list_t *feature_policies;
list_t *ipc_policies;
};
void pid_workspace_add(struct pid_workspace *pw);
void free_pid_workspace(struct pid_workspace *pw);
/**
* Loads the main config from the given path. is_active should be true when
* reloading the config.
*/
bool load_main_config(const char *path, bool is_active);
/**
* Loads an included config. Can only be used after load_main_config.
*/
bool load_include_configs(const char *path, struct sway_config *config);
/**
* Reads the config from the given FILE.
*/
bool read_config(FILE *file, struct sway_config *config);
/**
* Free config struct
*/
void free_config(struct sway_config *config);
/**
* Does variable replacement for a string based on the config's currently loaded variables.
*/
char *do_var_replacement(char *str);
struct cmd_results *check_security_config();
int input_identifier_cmp(const void *item, const void *data);
void merge_input_config(struct input_config *dst, struct input_config *src);
void apply_input_config(struct input_config *ic, struct libinput_device *dev);
void free_input_config(struct input_config *ic);
int output_name_cmp(const void *item, const void *data);
void merge_output_config(struct output_config *dst, struct output_config *src);
/** Sets up a WLC output handle based on a given output_config.
*/
void apply_output_config(struct output_config *oc, swayc_t *output);
void free_output_config(struct output_config *oc);
/**
* Updates the list of active bar modifiers
*/
void update_active_bar_modifiers(void);
int workspace_output_cmp_workspace(const void *a, const void *b);
int sway_binding_cmp(const void *a, const void *b);
int sway_binding_cmp_qsort(const void *a, const void *b);
int sway_binding_cmp_keys(const void *a, const void *b);
void free_sway_binding(struct sway_binding *sb);
struct sway_binding *sway_binding_dup(struct sway_binding *sb);
int sway_mouse_binding_cmp(const void *a, const void *b);
int sway_mouse_binding_cmp_qsort(const void *a, const void *b);
int sway_mouse_binding_cmp_buttons(const void *a, const void *b);
void free_sway_mouse_binding(struct sway_mouse_binding *smb);
void load_swaybars();
void terminate_swaybg(pid_t pid);
/**
* Allocate and initialize default bar configuration.
*/
struct bar_config *default_bar_config(void);
/**
* Global config singleton.
*/
extern struct sway_config *config;
/**
* Config file currently being read.
*/
extern const char *current_config_path;
#endif

@ -65,6 +65,8 @@ if a2x.found()
endforeach endforeach
endif endif
add_project_arguments('-DSYSCONFDIR="/@0@"'.format(sysconfdir), language : 'c')
version = get_option('sway_version') version = get_option('sway_version')
if version != '' if version != ''
version = '"@0@"'.format(version) version = '"@0@"'.format(version)

@ -7,6 +7,8 @@
#include <stdio.h> #include <stdio.h>
#include <json-c/json.h> #include <json-c/json.h>
#include "sway/commands.h" #include "sway/commands.h"
#include "sway/config.h"
#include "sway/security.h"
#include "stringop.h" #include "stringop.h"
#include "log.h" #include "log.h"
@ -200,6 +202,136 @@ cleanup:
return results; return results;
} }
// this is like handle_command above, except:
// 1) it ignores empty commands (empty lines)
// 2) it does variable substitution
// 3) it doesn't split commands (because the multiple commands are supposed to
// be chained together)
// 4) handle_command handles all state internally while config_command has some
// state handled outside (notably the block mode, in read_config)
struct cmd_results *config_command(char *exec, enum cmd_status block) {
struct cmd_results *results = NULL;
int argc;
char **argv = split_args(exec, &argc);
if (!argc) {
results = cmd_results_new(CMD_SUCCESS, NULL, NULL);
goto cleanup;
}
sway_log(L_INFO, "handling config command '%s'", exec);
// Endblock
if (**argv == '}') {
results = cmd_results_new(CMD_BLOCK_END, NULL, NULL);
goto cleanup;
}
struct cmd_handler *handler = find_handler(argv[0], block);
if (!handler) {
char *input = argv[0] ? argv[0] : "(empty)";
results = cmd_results_new(CMD_INVALID, input, "Unknown/invalid command");
goto cleanup;
}
int i;
// Var replacement, for all but first argument of set
// TODO commands
for (i = /*handler->handle == cmd_set ? 2 :*/ 1; i < argc; ++i) {
argv[i] = do_var_replacement(argv[i]);
unescape_string(argv[i]);
}
/* Strip quotes for first argument.
* TODO This part needs to be handled much better */
if (argc>1 && (*argv[1] == '\"' || *argv[1] == '\'')) {
strip_quotes(argv[1]);
}
if (handler->handle) {
results = handler->handle(argc-1, argv+1);
} else {
results = cmd_results_new(CMD_INVALID, argv[0], "This command is shimmed, but unimplemented");
}
cleanup:
free_argv(argc, argv);
return results;
}
struct cmd_results *config_commands_command(char *exec) {
struct cmd_results *results = NULL;
int argc;
char **argv = split_args(exec, &argc);
if (!argc) {
results = cmd_results_new(CMD_SUCCESS, NULL, NULL);
goto cleanup;
}
// Find handler for the command this is setting a policy for
char *cmd = argv[0];
if (strcmp(cmd, "}") == 0) {
results = cmd_results_new(CMD_BLOCK_END, NULL, NULL);
goto cleanup;
}
struct cmd_handler *handler = find_handler(cmd, CMD_BLOCK_END);
if (!handler && strcmp(cmd, "*") != 0) {
char *input = cmd ? cmd : "(empty)";
results = cmd_results_new(CMD_INVALID, input, "Unknown/invalid command");
goto cleanup;
}
enum command_context context = 0;
struct {
char *name;
enum command_context context;
} context_names[] = {
{ "config", CONTEXT_CONFIG },
{ "binding", CONTEXT_BINDING },
{ "ipc", CONTEXT_IPC },
{ "criteria", CONTEXT_CRITERIA },
{ "all", CONTEXT_ALL },
};
for (int i = 1; i < argc; ++i) {
size_t j;
for (j = 0; j < sizeof(context_names) / sizeof(context_names[0]); ++j) {
if (strcmp(context_names[j].name, argv[i]) == 0) {
break;
}
}
if (j == sizeof(context_names) / sizeof(context_names[0])) {
results = cmd_results_new(CMD_INVALID, cmd,
"Invalid command context %s", argv[i]);
goto cleanup;
}
context |= context_names[j].context;
}
struct command_policy *policy = NULL;
for (int i = 0; i < config->command_policies->length; ++i) {
struct command_policy *p = config->command_policies->items[i];
if (strcmp(p->command, cmd) == 0) {
policy = p;
break;
}
}
if (!policy) {
policy = alloc_command_policy(cmd);
sway_assert(policy, "Unable to allocate security policy");
if (policy) {
list_add(config->command_policies, policy);
}
}
policy->context = context;
sway_log(L_INFO, "Set command policy for %s to %d",
policy->command, policy->context);
results = cmd_results_new(CMD_SUCCESS, NULL, NULL);
cleanup:
free_argv(argc, argv);
return results;
}
struct cmd_results *cmd_results_new(enum cmd_status status, struct cmd_results *cmd_results_new(enum cmd_status status,
const char *input, const char *format, ...) { const char *input, const char *format, ...) {
struct cmd_results *results = malloc(sizeof(struct cmd_results)); struct cmd_results *results = malloc(sizeof(struct cmd_results));

@ -1,16 +1,16 @@
#include <string.h> #include <string.h>
#include "sway/commands.h" #include "sway/commands.h"
#include "sway/config.h"
#include "log.h" #include "log.h"
#include "stringop.h" #include "stringop.h"
struct cmd_results *cmd_exec(int argc, char **argv) { struct cmd_results *cmd_exec(int argc, char **argv) {
// TODO: config if (!config->active) return cmd_results_new(CMD_DEFER, "exec", NULL);
/*if (!config->active) return cmd_results_new(CMD_DEFER, "exec", NULL);
if (config->reloading) { if (config->reloading) {
char *args = join_args(argv, argc); char *args = join_args(argv, argc);
sway_log(L_DEBUG, "Ignoring 'exec %s' due to reload", args); sway_log(L_DEBUG, "Ignoring 'exec %s' due to reload", args);
free(args); free(args);
return cmd_results_new(CMD_SUCCESS, NULL, NULL); return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}*/ }
return cmd_exec_always(argc, argv); return cmd_exec_always(argc, argv);
} }

@ -5,15 +5,15 @@
#include <sys/wait.h> #include <sys/wait.h>
#include <unistd.h> #include <unistd.h>
#include "sway/commands.h" #include "sway/commands.h"
#include "sway/workspace.h" #include "sway/config.h"
#include "sway/container.h" #include "sway/container.h"
#include "sway/workspace.h"
#include "log.h" #include "log.h"
#include "stringop.h" #include "stringop.h"
struct cmd_results *cmd_exec_always(int argc, char **argv) { struct cmd_results *cmd_exec_always(int argc, char **argv) {
struct cmd_results *error = NULL; struct cmd_results *error = NULL;
// TODO: config if (!config->active) return cmd_results_new(CMD_DEFER, NULL, NULL);
//if (!config->active) return cmd_results_new(CMD_DEFER, NULL, NULL);
if ((error = checkarg(argc, "exec_always", EXPECTED_MORE_THAN, 0))) { if ((error = checkarg(argc, "exec_always", EXPECTED_MORE_THAN, 0))) {
return error; return error;
} }

@ -1,19 +1,17 @@
#include <stddef.h> #include <stddef.h>
#include "sway/commands.h" #include "sway/commands.h"
#include "sway/config.h"
void sway_terminate(int exit_code); void sway_terminate(int exit_code);
struct cmd_results *cmd_exit(int argc, char **argv) { struct cmd_results *cmd_exit(int argc, char **argv) {
struct cmd_results *error = NULL; struct cmd_results *error = NULL;
/* TODO
if (config->reading) { if (config->reading) {
return cmd_results_new(CMD_FAILURE, "exit", "Can't be used in config file."); return cmd_results_new(CMD_FAILURE, "exit", "Can't be used in config file.");
} }
*/
if ((error = checkarg(argc, "exit", EXPECTED_EQUAL_TO, 0))) { if ((error = checkarg(argc, "exit", EXPECTED_EQUAL_TO, 0))) {
return error; return error;
} }
sway_terminate(0); sway_terminate(0);
return cmd_results_new(CMD_SUCCESS, NULL, NULL); return cmd_results_new(CMD_SUCCESS, NULL, NULL);
} }

@ -0,0 +1,504 @@
#define _POSIX_C_SOURCE 200809L
#define _XOPEN_SOURCE 700
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <unistd.h>
#include <libgen.h>
#include <wordexp.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <signal.h>
#include <libinput.h>
#include <limits.h>
#include <float.h>
#include <dirent.h>
#include <strings.h>
#ifdef __linux__
#include <linux/input-event-codes.h>
#elif __FreeBSD__
#include <dev/evdev/input-event-codes.h>
#endif
#include <wlr/types/wlr_output.h>
#include "sway/commands.h"
#include "sway/config.h"
#include "sway/layout.h"
#include "readline.h"
#include "stringop.h"
#include "list.h"
#include "log.h"
struct sway_config *config = NULL;
void free_config(struct sway_config *config) {
// TODO
}
static void config_defaults(struct sway_config *config) {
if (!(config->symbols = create_list())) goto cleanup;
if (!(config->modes = create_list())) goto cleanup;
if (!(config->bars = create_list())) goto cleanup;
if (!(config->workspace_outputs = create_list())) goto cleanup;
if (!(config->pid_workspaces = create_list())) goto cleanup;
if (!(config->criteria = create_list())) goto cleanup;
if (!(config->no_focus = create_list())) goto cleanup;
if (!(config->input_configs = create_list())) goto cleanup;
if (!(config->output_configs = create_list())) goto cleanup;
if (!(config->cmd_queue = create_list())) goto cleanup;
if (!(config->current_mode = malloc(sizeof(struct sway_mode)))) goto cleanup;
if (!(config->current_mode->name = malloc(sizeof("default")))) goto cleanup;
strcpy(config->current_mode->name, "default");
if (!(config->current_mode->bindings = create_list())) goto cleanup;
list_add(config->modes, config->current_mode);
config->floating_mod = 0;
config->dragging_key = BTN_LEFT;
config->resizing_key = BTN_RIGHT;
if (!(config->floating_scroll_up_cmd = strdup(""))) goto cleanup;
if (!(config->floating_scroll_down_cmd = strdup(""))) goto cleanup;
if (!(config->floating_scroll_left_cmd = strdup(""))) goto cleanup;
if (!(config->floating_scroll_right_cmd = strdup(""))) goto cleanup;
config->default_layout = L_NONE;
config->default_orientation = L_NONE;
if (!(config->font = strdup("monospace 10"))) goto cleanup;
// TODO: border
//config->font_height = get_font_text_height(config->font);
// floating view
config->floating_maximum_width = 0;
config->floating_maximum_height = 0;
config->floating_minimum_width = 75;
config->floating_minimum_height = 50;
// Flags
config->focus_follows_mouse = true;
config->mouse_warping = true;
config->reloading = false;
config->active = false;
config->failed = false;
config->auto_back_and_forth = false;
config->seamless_mouse = true;
config->reading = false;
config->show_marks = true;
config->edge_gaps = true;
config->smart_gaps = false;
config->gaps_inner = 0;
config->gaps_outer = 0;
if (!(config->active_bar_modifiers = create_list())) goto cleanup;
if (!(config->config_chain = create_list())) goto cleanup;
config->current_config = NULL;
// borders
config->border = B_NORMAL;
config->floating_border = B_NORMAL;
config->border_thickness = 2;
config->floating_border_thickness = 2;
config->hide_edge_borders = E_NONE;
// border colors
config->border_colors.focused.border = 0x4C7899FF;
config->border_colors.focused.background = 0x285577FF;
config->border_colors.focused.text = 0xFFFFFFFF;
config->border_colors.focused.indicator = 0x2E9EF4FF;
config->border_colors.focused.child_border = 0x285577FF;
config->border_colors.focused_inactive.border = 0x333333FF;
config->border_colors.focused_inactive.background = 0x5F676AFF;
config->border_colors.focused_inactive.text = 0xFFFFFFFF;
config->border_colors.focused_inactive.indicator = 0x484E50FF;
config->border_colors.focused_inactive.child_border = 0x5F676AFF;
config->border_colors.unfocused.border = 0x333333FF;
config->border_colors.unfocused.background = 0x222222FF;
config->border_colors.unfocused.text = 0x888888FF;
config->border_colors.unfocused.indicator = 0x292D2EFF;
config->border_colors.unfocused.child_border = 0x222222FF;
config->border_colors.urgent.border = 0x2F343AFF;
config->border_colors.urgent.background = 0x900000FF;
config->border_colors.urgent.text = 0xFFFFFFFF;
config->border_colors.urgent.indicator = 0x900000FF;
config->border_colors.urgent.child_border = 0x900000FF;
config->border_colors.placeholder.border = 0x000000FF;
config->border_colors.placeholder.background = 0x0C0C0CFF;
config->border_colors.placeholder.text = 0xFFFFFFFF;
config->border_colors.placeholder.indicator = 0x000000FF;
config->border_colors.placeholder.child_border = 0x0C0C0CFF;
config->border_colors.background = 0xFFFFFFFF;
// Security
if (!(config->command_policies = create_list())) goto cleanup;
if (!(config->feature_policies = create_list())) goto cleanup;
if (!(config->ipc_policies = create_list())) goto cleanup;
return;
cleanup:
sway_abort("Unable to allocate config structures");
}
static bool file_exists(const char *path) {
return path && access(path, R_OK) != -1;
}
static char *get_config_path(void) {
static const char *config_paths[] = {
"$HOME/.sway/config",
"$XDG_CONFIG_HOME/sway/config",
"$HOME/.i3/config",
"$XDG_CONFIG_HOME/i3/config",
SYSCONFDIR "/sway/config",
SYSCONFDIR "/i3/config",
};
if (!getenv("XDG_CONFIG_HOME")) {
char *home = getenv("HOME");
char *config_home = malloc(strlen(home) + strlen("/.config") + 1);
if (!config_home) {
sway_log(L_ERROR, "Unable to allocate $HOME/.config");
} else {
strcpy(config_home, home);
strcat(config_home, "/.config");
setenv("XDG_CONFIG_HOME", config_home, 1);
sway_log(L_DEBUG, "Set XDG_CONFIG_HOME to %s", config_home);
free(config_home);
}
}
wordexp_t p;
char *path;
int i;
for (i = 0; i < (int)(sizeof(config_paths) / sizeof(char *)); ++i) {
if (wordexp(config_paths[i], &p, 0) == 0) {
path = strdup(p.we_wordv[0]);
wordfree(&p);
if (file_exists(path)) {
return path;
}
}
}
return NULL; // Not reached
}
const char *current_config_path;
static bool load_config(const char *path, struct sway_config *config) {
sway_log(L_INFO, "Loading config from %s", path);
current_config_path = path;
struct stat sb;
if (stat(path, &sb) == 0 && S_ISDIR(sb.st_mode)) {
return false;
}
if (path == NULL) {
sway_log(L_ERROR, "Unable to find a config file!");
return false;
}
FILE *f = fopen(path, "r");
if (!f) {
sway_log(L_ERROR, "Unable to open %s for reading", path);
return false;
}
bool config_load_success = read_config(f, config);
fclose(f);
if (!config_load_success) {
sway_log(L_ERROR, "Error(s) loading config!");
}
current_config_path = NULL;
return true;
}
static int qstrcmp(const void* a, const void* b) {
return strcmp(*((char**) a), *((char**) b));
}
bool load_main_config(const char *file, bool is_active) {
char *path;
if (file != NULL) {
path = strdup(file);
} else {
path = get_config_path();
}
struct sway_config *old_config = config;
config = calloc(1, sizeof(struct sway_config));
if (!config) {
sway_abort("Unable to allocate config");
}
config_defaults(config);
if (is_active) {
sway_log(L_DEBUG, "Performing configuration file reload");
config->reloading = true;
config->active = true;
}
config->current_config = path;
list_add(config->config_chain, path);
config->reading = true;
// Read security configs
bool success = true;
DIR *dir = opendir(SYSCONFDIR "/sway/security.d");
if (!dir) {
sway_log(L_ERROR, "%s does not exist, sway will have no security configuration"
" and will probably be broken", SYSCONFDIR "/sway/security.d");
} else {
list_t *secconfigs = create_list();
char *base = SYSCONFDIR "/sway/security.d/";
struct dirent *ent = readdir(dir);
struct stat s;
while (ent != NULL) {
char *_path = malloc(strlen(ent->d_name) + strlen(base) + 1);
strcpy(_path, base);
strcat(_path, ent->d_name);
lstat(_path, &s);
if (S_ISREG(s.st_mode) && ent->d_name[0] != '.') {
list_add(secconfigs, _path);
}
else {
free(_path);
}
ent = readdir(dir);
}
closedir(dir);
list_qsort(secconfigs, qstrcmp);
for (int i = 0; i < secconfigs->length; ++i) {
char *_path = secconfigs->items[i];
if (stat(_path, &s) || s.st_uid != 0 || s.st_gid != 0 || (((s.st_mode & 0777) != 0644) && (s.st_mode & 0777) != 0444)) {
sway_log(L_ERROR, "Refusing to load %s - it must be owned by root and mode 644 or 444", _path);
success = false;
} else {
success = success && load_config(_path, config);
}
}
free_flat_list(secconfigs);
}
success = success && load_config(path, config);
if (is_active) {
config->reloading = false;
}
if (old_config) {
free_config(old_config);
}
config->reading = false;
if (success) {
// TODO: bar
//update_active_bar_modifiers();
}
return success;
}
bool read_config(FILE *file, struct sway_config *config) {
bool success = true;
enum cmd_status block = CMD_BLOCK_END;
int line_number = 0;
char *line;
while (!feof(file)) {
line = read_line(file);
if (!line) {
continue;
}
line_number++;
line = strip_whitespace(line);
if (line[0] == '#') {
free(line);
continue;
}
struct cmd_results *res;
if (block == CMD_BLOCK_COMMANDS) {
// Special case
res = config_commands_command(line);
} else {
res = config_command(line, block);
}
switch(res->status) {
case CMD_FAILURE:
case CMD_INVALID:
sway_log(L_ERROR, "Error on line %i '%s': %s (%s)", line_number, line,
res->error, config->current_config);
success = false;
break;
case CMD_DEFER:
sway_log(L_DEBUG, "Defferring command `%s'", line);
list_add(config->cmd_queue, strdup(line));
break;
case CMD_BLOCK_MODE:
if (block == CMD_BLOCK_END) {
block = CMD_BLOCK_MODE;
} else {
sway_log(L_ERROR, "Invalid block '%s'", line);
}
break;
case CMD_BLOCK_INPUT:
if (block == CMD_BLOCK_END) {
block = CMD_BLOCK_INPUT;
} else {
sway_log(L_ERROR, "Invalid block '%s'", line);
}
break;
case CMD_BLOCK_BAR:
if (block == CMD_BLOCK_END) {
block = CMD_BLOCK_BAR;
} else {
sway_log(L_ERROR, "Invalid block '%s'", line);
}
break;
case CMD_BLOCK_BAR_COLORS:
if (block == CMD_BLOCK_BAR) {
block = CMD_BLOCK_BAR_COLORS;
} else {
sway_log(L_ERROR, "Invalid block '%s'", line);
}
break;
case CMD_BLOCK_COMMANDS:
if (block == CMD_BLOCK_END) {
block = CMD_BLOCK_COMMANDS;
} else {
sway_log(L_ERROR, "Invalid block '%s'", line);
}
break;
case CMD_BLOCK_IPC:
if (block == CMD_BLOCK_END) {
block = CMD_BLOCK_IPC;
} else {
sway_log(L_ERROR, "Invalid block '%s'", line);
}
break;
case CMD_BLOCK_IPC_EVENTS:
if (block == CMD_BLOCK_IPC) {
block = CMD_BLOCK_IPC_EVENTS;
} else {
sway_log(L_ERROR, "Invalid block '%s'", line);
}
break;
case CMD_BLOCK_END:
switch(block) {
case CMD_BLOCK_MODE:
sway_log(L_DEBUG, "End of mode block");
config->current_mode = config->modes->items[0];
block = CMD_BLOCK_END;
break;
case CMD_BLOCK_INPUT:
sway_log(L_DEBUG, "End of input block");
// TODO: input
//current_input_config = NULL;
block = CMD_BLOCK_END;
break;
case CMD_BLOCK_BAR:
sway_log(L_DEBUG, "End of bar block");
config->current_bar = NULL;
block = CMD_BLOCK_END;
break;
case CMD_BLOCK_BAR_COLORS:
sway_log(L_DEBUG, "End of bar colors block");
block = CMD_BLOCK_BAR;
break;
case CMD_BLOCK_COMMANDS:
sway_log(L_DEBUG, "End of commands block");
block = CMD_BLOCK_END;
break;
case CMD_BLOCK_IPC:
sway_log(L_DEBUG, "End of IPC block");
block = CMD_BLOCK_END;
break;
case CMD_BLOCK_IPC_EVENTS:
sway_log(L_DEBUG, "End of IPC events block");
block = CMD_BLOCK_IPC;
break;
case CMD_BLOCK_END:
sway_log(L_ERROR, "Unmatched }");
break;
default:;
}
default:;
}
free(line);
free_cmd_results(res);
}
return success;
}
char *do_var_replacement(char *str) {
int i;
char *find = str;
while ((find = strchr(find, '$'))) {
// Skip if escaped.
if (find > str && find[-1] == '\\') {
if (find == str + 1 || !(find > str + 1 && find[-2] == '\\')) {
++find;
continue;
}
}
// Find matching variable
for (i = 0; i < config->symbols->length; ++i) {
struct sway_variable *var = config->symbols->items[i];
int vnlen = strlen(var->name);
if (strncmp(find, var->name, vnlen) == 0) {
int vvlen = strlen(var->value);
char *newstr = malloc(strlen(str) - vnlen + vvlen + 1);
if (!newstr) {
sway_log(L_ERROR,
"Unable to allocate replacement during variable expansion");
break;
}
char *newptr = newstr;
int offset = find - str;
strncpy(newptr, str, offset);
newptr += offset;
strncpy(newptr, var->value, vvlen);
newptr += vvlen;
strcpy(newptr, find + vnlen);
free(str);
str = newstr;
find = str + offset + vvlen;
break;
}
}
if (i == config->symbols->length) {
++find;
}
}
return str;
}

@ -15,6 +15,7 @@
#include <sys/capability.h> #include <sys/capability.h>
#include <sys/prctl.h> #include <sys/prctl.h>
#endif #endif
#include "sway/config.h"
#include "sway/server.h" #include "sway/server.h"
#include "sway/layout.h" #include "sway/layout.h"
#include "sway/ipc-server.h" #include "sway/ipc-server.h"
@ -388,14 +389,14 @@ int main(int argc, char **argv) {
ipc_init(&server); ipc_init(&server);
log_env(); log_env();
//if (validate) { if (validate) {
// bool valid = load_main_config(config_path, false); bool valid = load_main_config(config_path, false);
// return valid ? 0 : 1; return valid ? 0 : 1;
//} }
//if (!load_main_config(config_path, false)) { if (!load_main_config(config_path, false)) {
// sway_terminate(EXIT_FAILURE); sway_terminate(EXIT_FAILURE);
//} }
if (config_path) { if (config_path) {
free(config_path); free(config_path);
@ -411,9 +412,9 @@ int main(int argc, char **argv) {
ipc_terminate(); ipc_terminate();
//if (config) { if (config) {
// free_config(config); free_config(config);
//} }
return exit_value; return exit_value;
} }

@ -5,12 +5,14 @@ sway_sources = files(
'commands/exit.c', 'commands/exit.c',
'commands/exec.c', 'commands/exec.c',
'commands/exec_always.c', 'commands/exec_always.c',
'config.c',
'ipc-json.c', 'ipc-json.c',
'ipc-server.c', 'ipc-server.c',
'desktop/output.c', 'desktop/output.c',
'desktop/wl_shell.c', 'desktop/wl_shell.c',
'desktop/xdg_shell_v6.c', 'desktop/xdg_shell_v6.c',
'desktop/xwayland.c', 'desktop/xwayland.c',
'security.c',
'tree/container.c', 'tree/container.c',
'tree/layout.c', 'tree/layout.c',
'tree/workspace.c', 'tree/workspace.c',

@ -0,0 +1,18 @@
#define _XOPEN_SOURCE 700
#include <stdlib.h>
#include <string.h>
#include "sway/security.h"
struct command_policy *alloc_command_policy(const char *command) {
struct command_policy *policy = malloc(sizeof(struct command_policy));
if (!policy) {
return NULL;
}
policy->command = strdup(command);
if (!policy->command) {
free(policy);
return NULL;
}
policy->context = 0;
return policy;
}
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