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Implement swaylock configuration file parsing

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This commit is contained in:
Brian Ashworth 2018-07-13 13:18:59 -04:00
parent 6a9ca6efa0
commit 296889f3d7
2 changed files with 258 additions and 122 deletions
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365
swaylock/main.c
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@ -21,6 +21,7 @@
#include "pool-buffer.h" #include "pool-buffer.h"
#include "cairo.h" #include "cairo.h"
#include "log.h" #include "log.h"
#include "readline.h"
#include "stringop.h" #include "stringop.h"
#include "util.h" #include "util.h"
#include "wlr-input-inhibitor-unstable-v1-client-protocol.h" #include "wlr-input-inhibitor-unstable-v1-client-protocol.h"
@ -412,15 +413,14 @@ static void set_default_colors(struct swaylock_colors *colors) {
}; };
} }
static struct swaylock_state state; enum line_mode {
int main(int argc, char **argv) {
enum line_mode {
LM_LINE, LM_LINE,
LM_INSIDE, LM_INSIDE,
LM_RING, LM_RING,
}; };
static int parse_options(int argc, char **argv, struct swaylock_state *state,
enum line_mode *line_mode) {
enum long_option_codes { enum long_option_codes {
LO_BS_HL_COLOR = 256, LO_BS_HL_COLOR = 256,
LO_FONT, LO_FONT,
@ -447,6 +447,7 @@ int main(int argc, char **argv) {
}; };
static struct option long_options[] = { static struct option long_options[] = {
{"config", required_argument, NULL, 'C'},
{"color", required_argument, NULL, 'c'}, {"color", required_argument, NULL, 'c'},
{"ignore-empty-password", no_argument, NULL, 'e'}, {"ignore-empty-password", no_argument, NULL, 'e'},
{"daemonize", no_argument, NULL, 'f'}, {"daemonize", no_argument, NULL, 'f'},
@ -487,6 +488,8 @@ int main(int argc, char **argv) {
const char usage[] = const char usage[] =
"Usage: swaylock [options...]\n" "Usage: swaylock [options...]\n"
"\n" "\n"
" -C, --config <config_file> "
"Path to the config file.\n"
" -c, --color <color> " " -c, --color <color> "
"Turn the screen into the given color instead of white.\n" "Turn the screen into the given color instead of white.\n"
" -e, --ignore-empty-password " " -e, --ignore-empty-password "
@ -559,6 +562,218 @@ int main(int argc, char **argv) {
"\n" "\n"
"All <color> options are of the form <rrggbb[aa]>.\n"; "All <color> options are of the form <rrggbb[aa]>.\n";
int c;
optind = 1;
while (1) {
int opt_idx = 0;
c = getopt_long(argc, argv, "c:efhi:nrs:tuvC:", long_options, &opt_idx);
if (c == -1) {
break;
}
switch (c) {
case 'C':
// Config file. This will have already been handled so just ignore.
break;
case 'c':
state->args.colors.background = parse_color(optarg);
state->args.mode = BACKGROUND_MODE_SOLID_COLOR;
break;
case 'e':
state->args.ignore_empty = true;
break;
case 'f':
state->args.daemonize = true;
break;
case 'i':
load_image(optarg, state);
break;
case 'n':
*line_mode = LM_INSIDE;
break;
case 'r':
*line_mode = LM_RING;
break;
case 's':
state->args.mode = parse_background_mode(optarg);
if (state->args.mode == BACKGROUND_MODE_INVALID) {
return 1;
}
break;
case 't':
state->args.mode = BACKGROUND_MODE_TILE;
break;
case 'u':
state->args.show_indicator = false;
break;
case 'v':
#if defined SWAY_GIT_VERSION && defined SWAY_GIT_BRANCH && defined SWAY_VERSION_DATE
fprintf(stdout, "swaylock version %s (%s, branch \"%s\")\n",
SWAY_GIT_VERSION, SWAY_VERSION_DATE, SWAY_GIT_BRANCH);
#else
fprintf(stdout, "version unknown\n");
#endif
return 0;
case LO_BS_HL_COLOR:
state->args.colors.bs_highlight = parse_color(optarg);
break;
case LO_FONT:
free(state->args.font);
state->args.font = strdup(optarg);
break;
case LO_IND_RADIUS:
state->args.radius = strtol(optarg, NULL, 0);
break;
case LO_IND_THICKNESS:
state->args.thickness = strtol(optarg, NULL, 0);
break;
case LO_INSIDE_COLOR:
state->args.colors.inside.input = parse_color(optarg);
break;
case LO_INSIDE_CLEAR_COLOR:
state->args.colors.inside.cleared = parse_color(optarg);
break;
case LO_INSIDE_VER_COLOR:
state->args.colors.inside.verifying = parse_color(optarg);
break;
case LO_INSIDE_WRONG_COLOR:
state->args.colors.inside.wrong = parse_color(optarg);
break;
case LO_KEY_HL_COLOR:
state->args.colors.key_highlight = parse_color(optarg);
break;
case LO_LINE_COLOR:
state->args.colors.line.input = parse_color(optarg);
break;
case LO_LINE_CLEAR_COLOR:
state->args.colors.line.cleared = parse_color(optarg);
break;
case LO_LINE_VER_COLOR:
state->args.colors.line.verifying = parse_color(optarg);
break;
case LO_LINE_WRONG_COLOR:
state->args.colors.line.wrong = parse_color(optarg);
break;
case LO_RING_COLOR:
state->args.colors.ring.input = parse_color(optarg);
break;
case LO_RING_CLEAR_COLOR:
state->args.colors.ring.cleared = parse_color(optarg);
break;
case LO_RING_VER_COLOR:
state->args.colors.ring.verifying = parse_color(optarg);
break;
case LO_RING_WRONG_COLOR:
state->args.colors.ring.wrong = parse_color(optarg);
break;
case LO_SEP_COLOR:
state->args.colors.separator = parse_color(optarg);
break;
case LO_TEXT_COLOR:
state->args.colors.text.input = parse_color(optarg);
break;
case LO_TEXT_CLEAR_COLOR:
state->args.colors.text.cleared = parse_color(optarg);
break;
case LO_TEXT_VER_COLOR:
state->args.colors.text.verifying = parse_color(optarg);
break;
case LO_TEXT_WRONG_COLOR:
state->args.colors.text.wrong = parse_color(optarg);
break;
default:
fprintf(stderr, "%s", usage);
return 1;
}
}
return 0;
}
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[] = {
"$HOME/.swaylock/config",
"$XDG_CONFIG_HOME/swaylock/config",
SYSCONFDIR "/swaylock/config",
};
if (!getenv("XDG_CONFIG_HOME")) {
char *home = getenv("HOME");
char *config_home = malloc(strlen(home) + strlen("/.config") + 1);
if (!config_home) {
wlr_log(WLR_ERROR, "Unable to allocate $HOME/.config");
} else {
strcpy(config_home, home);
strcat(config_home, "/.config");
setenv("XDG_CONFIG_HOME", config_home, 1);
wlr_log(WLR_DEBUG, "Set XDG_CONFIG_HOME to %s", config_home);
free(config_home);
}
}
wordexp_t p;
char *path;
for (int 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;
}
free(path);
}
}
return NULL;
}
static int load_config(char *path, struct swaylock_state *state,
enum line_mode *line_mode) {
FILE *config = fopen(path, "r");
if (!config) {
wlr_log(WLR_ERROR, "Failed to read config. Running without it.");
return 0;
}
char *line;
int line_number = 0;
while (!feof(config)) {
line = read_line(config);
if (!line) {
continue;
}
line_number++;
if (line[0] == '#') {
free(line);
continue;
}
if (strlen(line) == 0) {
free(line);
continue;
}
wlr_log(WLR_DEBUG, "Config Line #%d: %s", line_number, line);
char flag[strlen(line) + 3];
sprintf(flag, "--%s", line);
char *argv[] = {"swaylock", flag};
int result = parse_options(2, argv, state, line_mode);
if (result != 0) {
free(line);
fclose(config);
return result;
}
free(line);
}
fclose(config);
return 0;
}
static struct swaylock_state state;
int main(int argc, char **argv) {
enum line_mode line_mode = LM_LINE; enum line_mode line_mode = LM_LINE;
state.args = (struct swaylock_args){ state.args = (struct swaylock_args){
.mode = BACKGROUND_MODE_SOLID_COLOR, .mode = BACKGROUND_MODE_SOLID_COLOR,
@ -573,123 +788,35 @@ int main(int argc, char **argv) {
wlr_log_init(WLR_DEBUG, NULL); wlr_log_init(WLR_DEBUG, NULL);
int c; char *config_path = NULL;
while (1) { for (int i = 0; i < argc; i++) {
int opt_idx = 0; if (strcmp(argv[i], "-C") == 0 || strcmp(argv[i], "--config") == 0) {
c = getopt_long(argc, argv, "c:efhi:nrs:tuv", long_options, &opt_idx); if (i + 1 == argc) {
if (c == -1) { wlr_log(WLR_ERROR, "Config file path is missing");
break;
}
switch (c) {
case 'c':
state.args.colors.background = parse_color(optarg);
state.args.mode = BACKGROUND_MODE_SOLID_COLOR;
break;
case 'e':
state.args.ignore_empty = true;
break;
case 'f':
state.args.daemonize = true;
break;
case 'i':
load_image(optarg, &state);
break;
case 'n':
line_mode = LM_INSIDE;
break;
case 'r':
line_mode = LM_RING;
break;
case 's':
state.args.mode = parse_background_mode(optarg);
if (state.args.mode == BACKGROUND_MODE_INVALID) {
return 1; return 1;
} }
config_path = strdup(argv[i + 1]);
break; break;
case 't': }
state.args.mode = BACKGROUND_MODE_TILE; }
break; if (!config_path) {
case 'u': config_path = get_config_path();
state.args.show_indicator = false; }
break;
case 'v': if (config_path) {
#if defined SWAY_GIT_VERSION && defined SWAY_GIT_BRANCH && defined SWAY_VERSION_DATE wlr_log(WLR_DEBUG, "Found config at %s", config_path);
fprintf(stdout, "swaylock version %s (%s, branch \"%s\")\n", int config_status = load_config(config_path, &state, &line_mode);
SWAY_GIT_VERSION, SWAY_VERSION_DATE, SWAY_GIT_BRANCH); free(config_path);
#else if (config_status != 0) {
fprintf(stdout, "version unknown\n"); return config_status;
#endif }
return 0; }
case LO_BS_HL_COLOR:
state.args.colors.bs_highlight = parse_color(optarg); if (argc > 1) {
break; wlr_log(WLR_DEBUG, "Parsing CLI Args");
case LO_FONT: int result = parse_options(argc, argv, &state, &line_mode);
free(state.args.font); if (result != 0) {
state.args.font = strdup(optarg); return result;
break;
case LO_IND_RADIUS:
state.args.radius = strtol(optarg, NULL, 0);
break;
case LO_IND_THICKNESS:
state.args.thickness = strtol(optarg, NULL, 0);
break;
case LO_INSIDE_COLOR:
state.args.colors.inside.input = parse_color(optarg);
break;
case LO_INSIDE_CLEAR_COLOR:
state.args.colors.inside.cleared = parse_color(optarg);
break;
case LO_INSIDE_VER_COLOR:
state.args.colors.inside.verifying = parse_color(optarg);
break;
case LO_INSIDE_WRONG_COLOR:
state.args.colors.inside.wrong = parse_color(optarg);
break;
case LO_KEY_HL_COLOR:
state.args.colors.key_highlight = parse_color(optarg);
break;
case LO_LINE_COLOR:
state.args.colors.line.input = parse_color(optarg);
break;
case LO_LINE_CLEAR_COLOR:
state.args.colors.line.cleared = parse_color(optarg);
break;
case LO_LINE_VER_COLOR:
state.args.colors.line.verifying = parse_color(optarg);
break;
case LO_LINE_WRONG_COLOR:
state.args.colors.line.wrong = parse_color(optarg);
break;
case LO_RING_COLOR:
state.args.colors.ring.input = parse_color(optarg);
break;
case LO_RING_CLEAR_COLOR:
state.args.colors.ring.cleared = parse_color(optarg);
break;
case LO_RING_VER_COLOR:
state.args.colors.ring.verifying = parse_color(optarg);
break;
case LO_RING_WRONG_COLOR:
state.args.colors.ring.wrong = parse_color(optarg);
break;
case LO_SEP_COLOR:
state.args.colors.separator = parse_color(optarg);
break;
case LO_TEXT_COLOR:
state.args.colors.text.input = parse_color(optarg);
break;
case LO_TEXT_CLEAR_COLOR:
state.args.colors.text.cleared = parse_color(optarg);
break;
case LO_TEXT_VER_COLOR:
state.args.colors.text.verifying = parse_color(optarg);
break;
case LO_TEXT_WRONG_COLOR:
state.args.colors.text.wrong = parse_color(optarg);
break;
default:
fprintf(stderr, "%s", usage);
return 1;
} }
} }

9
swaylock/swaylock.1.scd
View File

@ -12,6 +12,15 @@ Locks your Wayland session.
# OPTIONS # OPTIONS
*-C, --config* <path>
The config file to use. By default, the following paths are checked:
_$HOME/.swaylock/config_, _$XDG\_CONFIG\_HOME/swaylock/config_, and
_SYSCONFDIR/swaylock/config_. All flags aside from this one are valid
options in the configuration file using the format _long-option=value_.
For options such as _ignore-empty-password_, just supply the _long-option_.
All leading dashes should be omitted and the equals sign is required for
flags that take an argument.
*-c, --color* <rrggbb[aa]> *-c, --color* <rrggbb[aa]>
Turn the screen into the given color. If -i is used, this sets the Turn the screen into the given color. If -i is used, this sets the
background of the image to the given color. Defaults to white (FFFFFF), or background of the image to the given color. Defaults to white (FFFFFF), or