mirror of
https://codeberg.org/dnkl/yambar.git
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aa38063e37
We now verify the configuration (currently down to module level, but not including particles) that are present are of the expected type.
762 lines
19 KiB
C
762 lines
19 KiB
C
#include "config-verify.h"
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#include <string.h>
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#include <assert.h>
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#define LOG_MODULE "config:verify"
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#define LOG_ENABLE_DBG 0
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#include "log.h"
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#include "tllist.h"
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typedef tll(const char *) keychain_t;
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static keychain_t *
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chain_push(keychain_t *chain, const char *key)
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{
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tll_push_back(*chain, key);
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return chain;
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}
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static void
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chain_pop(keychain_t *chain)
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{
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tll_pop_back(*chain);
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}
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static const char *
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err_prefix(const keychain_t *chain, const struct yml_node *node)
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{
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static char msg[4096];
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int idx = 0;
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tll_foreach(*chain, key)
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idx += snprintf(&msg[idx], sizeof(msg) - idx, "%s.", key->item);
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/* Remove trailing "." */
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msg[idx - 1] = '\0';
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return msg;
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}
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static bool
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verify_string(keychain_t *chain, const struct yml_node *node)
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{
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const char *s = yml_value_as_string(node);
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if (s == NULL) {
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LOG_ERR("%s: value must be a string", err_prefix(chain, node));
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return false;
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}
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return true;
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}
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static bool
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verify_int(keychain_t *chain, const struct yml_node *node)
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{
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if (yml_value_is_int(node))
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return true;
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LOG_ERR("%s: value is not an integer: '%s'",
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err_prefix(chain, node), yml_value_as_string(node));
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return false;
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}
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static bool
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verify_enum(keychain_t *chain, const struct yml_node *node,
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const char *values[], size_t count)
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{
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const char *s = yml_value_as_string(node);
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if (s == NULL) {
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LOG_ERR("%s: value must be a string", err_prefix(chain, node));
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return false;
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}
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for (size_t i = 0; s != NULL && i < count; i++) {
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if (strcmp(s, values[i]) == 0)
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return true;
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}
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LOG_ERR("%s: value must be one of:", err_prefix(chain, node));
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for (size_t i = 0; i < count; i++)
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LOG_ERR(" %s", values[i]);
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return false;
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}
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static bool
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verify_color(keychain_t *chain, const struct yml_node *node)
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{
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const char *s = yml_value_as_string(node);
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if (s == NULL) {
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LOG_ERR("%s: value must be a string", err_prefix(chain, node));
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return false;
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}
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unsigned int r, g, b, a;
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int v = sscanf(s, "%02x%02x%02x%02x", &r, &g, &b, &a);
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if (strlen(s) != 8 || v != 4) {
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LOG_ERR("%s: value must be a color ('rrggbbaa', e.g ff00ffff)",
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err_prefix(chain, node));
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return false;
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}
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return true;
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}
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static bool
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verify_font(keychain_t *chain, const struct yml_node *node)
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{
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if (!yml_is_dict(node)) {
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LOG_ERR("%s: must be a dictionary", err_prefix(chain, node));
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return false;
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}
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for (struct yml_dict_iter it = yml_dict_iter(node);
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it.key != NULL;
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yml_dict_next(&it))
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{
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const char *sub_key = yml_value_as_string(it.key);
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if (sub_key == NULL) {
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LOG_ERR("%s: font: key must be a string", err_prefix(chain, node));
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return false;
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}
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if (strcmp(sub_key, "size") == 0 ||
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strcmp(sub_key, "y_offset") == 0)
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{
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if (!verify_int(chain_push(chain, sub_key), it.value))
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return false;
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} else if (strcmp(sub_key, "family") == 0) {
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if (!verify_string(chain_push(chain, sub_key), it.value))
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return false;
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} else {
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LOG_ERR("%s: font: invalid key: %s", err_prefix(chain, node), sub_key);
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return false;
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}
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chain_pop(chain);
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}
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return true;
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}
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static bool
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verify_border(keychain_t *chain, const struct yml_node *node)
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{
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if (!yml_is_dict(node)) {
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LOG_ERR("bar: border: must be a dictionary");
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return false;
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}
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for (struct yml_dict_iter it = yml_dict_iter(node);
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it.key != NULL;
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yml_dict_next(&it))
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{
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const char *key = yml_value_as_string(it.key);
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if (key == NULL) {
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LOG_ERR("%s: key must be a string", err_prefix(chain, node));
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return false;
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}
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if (strcmp(key, "width") == 0) {
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if (!verify_int(chain_push(chain, key), it.value))
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return false;
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} else if (strcmp(key, "color") == 0) {
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if (!verify_color(chain_push(chain, key), it.value))
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return false;
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} else {
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LOG_ERR("%s: invalid key: %s", err_prefix(chain, node), key);
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return false;
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}
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chain_pop(chain);
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}
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return true;
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}
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static bool
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verify_particle(keychain_t *chain, const struct yml_node *node)
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{
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return true;
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}
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static bool
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verify_module_alsa(keychain_t *chain, const struct yml_node *node)
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{
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for (struct yml_dict_iter it = yml_dict_iter(node);
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it.key != NULL;
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yml_dict_next(&it))
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{
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const char *key = yml_value_as_string(it.key);
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if (key == NULL) {
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LOG_ERR("%s: key must be a string", err_prefix(chain, node));
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return false;
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}
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if (strcmp(key, "card") == 0 ||
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strcmp(key, "mixer") == 0)
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{
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if (!verify_string(chain_push(chain, key), it.value))
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return false;
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}
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else if (strcmp(key, "content") == 0) {
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if (!verify_particle(chain_push(chain, key), it.value))
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return false;
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}
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else if (strcmp(key, "anchors") == 0) {
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/* Skip */
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chain_push(chain, key);
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}
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else {
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LOG_ERR("%s: invalid key: %s", err_prefix(chain, node), key);
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return false;
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}
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chain_pop(chain);
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}
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return true;
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}
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static bool
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verify_module_backlight(keychain_t *chain, const struct yml_node *node)
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{
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for (struct yml_dict_iter it = yml_dict_iter(node);
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it.key != NULL;
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yml_dict_next(&it))
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{
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const char *key = yml_value_as_string(it.key);
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if (key == NULL) {
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LOG_ERR("%s: key must be a string", err_prefix(chain, node));
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return false;
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}
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if (strcmp(key, "name") == 0) {
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if (!verify_string(chain_push(chain, key), it.value))
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return false;
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}
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else if (strcmp(key, "content") == 0) {
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if (!verify_particle(chain_push(chain, key), it.value))
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return false;
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}
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else if (strcmp(key, "anchors") == 0) {
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/* Skip */
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chain_push(chain, key);
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}
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else {
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LOG_ERR("%s: invalid key: %s", err_prefix(chain, node), key);
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return false;
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}
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chain_pop(chain);
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}
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return true;
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}
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static bool
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verify_module_battery(keychain_t *chain, const struct yml_node *node)
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{
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for (struct yml_dict_iter it = yml_dict_iter(node);
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it.key != NULL;
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yml_dict_next(&it))
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{
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const char *key = yml_value_as_string(it.key);
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if (key == NULL) {
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LOG_ERR("%s: key must be a string", err_prefix(chain, node));
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return false;
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}
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if (strcmp(key, "name") == 0) {
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if (!verify_string(chain_push(chain, key), it.value))
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return false;
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}
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else if (strcmp(key, "poll_interval") == 0) {
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if (!verify_int(chain_push(chain, key), it.value))
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return false;
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}
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else if (strcmp(key, "content") == 0) {
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if (!verify_particle(chain_push(chain, key), it.value))
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return false;
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}
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else if (strcmp(key, "anchors") == 0) {
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/* Skip */
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chain_push(chain, key);
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}
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else {
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LOG_ERR("%s: invalid key: %s", err_prefix(chain, node), key);
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return false;
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}
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chain_pop(chain);
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}
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return true;
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}
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static bool
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verify_module_clock(keychain_t *chain, const struct yml_node *node)
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{
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for (struct yml_dict_iter it = yml_dict_iter(node);
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it.key != NULL;
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yml_dict_next(&it))
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{
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const char *key = yml_value_as_string(it.key);
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if (key == NULL) {
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LOG_ERR("%s: key must be a string", err_prefix(chain, node));
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return false;
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}
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if (strcmp(key, "content") == 0) {
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if (!verify_particle(chain_push(chain, key), it.value))
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return false;
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}
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else if (strcmp(key, "anchors") == 0) {
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/* Skip */
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chain_push(chain, key);
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}
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else {
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LOG_ERR("%s: invalid key: %s", err_prefix(chain, node), key);
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return false;
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}
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chain_pop(chain);
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}
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return true;
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}
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static bool
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verify_module_i3(keychain_t *chain, const struct yml_node *node)
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{
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for (struct yml_dict_iter it = yml_dict_iter(node);
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it.key != NULL;
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yml_dict_next(&it))
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{
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const char *key = yml_value_as_string(it.key);
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if (key == NULL) {
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LOG_ERR("%s: key must be a string", err_prefix(chain, node));
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return false;
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}
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if (strcmp(key, "spacing") == 0 ||
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strcmp(key, "left_spacing") == 0 ||
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strcmp(key, "right_spacing") == 0)
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{
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if (!verify_int(chain_push(chain, key), it.value))
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return false;
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}
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else if (strcmp(key, "content") == 0) {
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if (!verify_particle(chain_push(chain, key), it.value))
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return false;
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}
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else if (strcmp(key, "anchors") == 0) {
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/* Skip */
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chain_push(chain, key);
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}
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else {
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LOG_ERR("%s: invalid key: %s", err_prefix(chain, node), key);
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return false;
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}
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chain_pop(chain);
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}
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return true;
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}
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static bool
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verify_module_label(keychain_t *chain, const struct yml_node *node)
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{
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for (struct yml_dict_iter it = yml_dict_iter(node);
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it.key != NULL;
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yml_dict_next(&it))
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{
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const char *key = yml_value_as_string(it.key);
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if (key == NULL) {
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LOG_ERR("%s: key must be a string", err_prefix(chain, node));
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return false;
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}
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if (strcmp(key, "content") == 0) {
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if (!verify_particle(chain_push(chain, key), it.value))
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return false;
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}
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else if (strcmp(key, "anchors") == 0) {
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/* Skip */
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chain_push(chain, key);
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}
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else {
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LOG_ERR("%s: invalid key: %s", err_prefix(chain, node), key);
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return false;
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}
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chain_pop(chain);
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}
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return true;
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}
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static bool
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verify_module_mpd(keychain_t *chain, const struct yml_node *node)
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{
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for (struct yml_dict_iter it = yml_dict_iter(node);
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it.key != NULL;
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yml_dict_next(&it))
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{
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const char *key = yml_value_as_string(it.key);
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if (key == NULL) {
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LOG_ERR("%s: key must be a string", err_prefix(chain, node));
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return false;
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}
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if (strcmp(key, "host") == 0) {
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if (!verify_string(chain_push(chain, key), it.value))
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return false;
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}
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else if (strcmp(key, "port") == 0) {
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if (!verify_int(chain_push(chain, key), it.value))
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return false;
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}
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else if (strcmp(key, "content") == 0) {
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if (!verify_particle(chain_push(chain, key), it.value))
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return false;
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}
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else if (strcmp(key, "anchors") == 0) {
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/* Skip */
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chain_push(chain, key);
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}
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else {
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LOG_ERR("%s: invalid key: %s", err_prefix(chain, node), key);
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return false;
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}
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chain_pop(chain);
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}
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return true;
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}
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static bool
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verify_module_network(keychain_t *chain, const struct yml_node *node)
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{
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for (struct yml_dict_iter it = yml_dict_iter(node);
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it.key != NULL;
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yml_dict_next(&it))
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{
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const char *key = yml_value_as_string(it.key);
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if (key == NULL) {
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LOG_ERR("%s: key must be a string", err_prefix(chain, node));
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return false;
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}
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if (strcmp(key, "name") == 0) {
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if (!verify_string(chain_push(chain, key), it.value))
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return false;
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}
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else if (strcmp(key, "content") == 0) {
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if (!verify_particle(chain_push(chain, key), it.value))
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return false;
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}
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else if (strcmp(key, "anchors") == 0) {
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/* Skip */
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chain_push(chain, key);
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}
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else {
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LOG_ERR("%s: invalid key: %s", err_prefix(chain, node), key);
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return false;
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}
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chain_pop(chain);
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}
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return true;
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}
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static bool
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verify_module_removables(keychain_t *chain, const struct yml_node *node)
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{
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for (struct yml_dict_iter it = yml_dict_iter(node);
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it.key != NULL;
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yml_dict_next(&it))
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{
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const char *key = yml_value_as_string(it.key);
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if (key == NULL) {
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LOG_ERR("%s: key must be a string", err_prefix(chain, node));
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return false;
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}
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if (strcmp(key, "spacing") == 0 ||
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strcmp(key, "left_spacing") == 0 ||
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strcmp(key, "right_spacing") == 0)
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{
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if (!verify_int(chain_push(chain, key), it.value))
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return false;
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}
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else if (strcmp(key, "content") == 0) {
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if (!verify_particle(chain_push(chain, key), it.value))
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return false;
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}
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else if (strcmp(key, "anchors") == 0) {
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/* Skip */
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chain_push(chain, key);
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}
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else {
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LOG_ERR("%s: invalid key: %s", err_prefix(chain, node), key);
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return false;
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}
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chain_pop(chain);
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}
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return true;
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}
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static bool
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verify_module_xkb(keychain_t *chain, const struct yml_node *node)
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{
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for (struct yml_dict_iter it = yml_dict_iter(node);
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it.key != NULL;
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yml_dict_next(&it))
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{
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const char *key = yml_value_as_string(it.key);
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if (key == NULL) {
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LOG_ERR("%s: key must be a string", err_prefix(chain, node));
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return false;
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}
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if (strcmp(key, "content") == 0) {
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if (!verify_particle(chain_push(chain, key), it.value))
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return false;
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}
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else if (strcmp(key, "anchors") == 0) {
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/* Skip */
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chain_push(chain, key);
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}
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else {
|
|
LOG_ERR("%s: invalid key: %s", err_prefix(chain, node), key);
|
|
return false;
|
|
}
|
|
|
|
chain_pop(chain);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
verify_module_xwindow(keychain_t *chain, const struct yml_node *node)
|
|
{
|
|
for (struct yml_dict_iter it = yml_dict_iter(node);
|
|
it.key != NULL;
|
|
yml_dict_next(&it))
|
|
{
|
|
const char *key = yml_value_as_string(it.key);
|
|
if (key == NULL) {
|
|
LOG_ERR("%s: key must be a string", err_prefix(chain, node));
|
|
return false;
|
|
}
|
|
|
|
if (strcmp(key, "content") == 0) {
|
|
if (!verify_particle(chain_push(chain, key), it.value))
|
|
return false;
|
|
}
|
|
|
|
else if (strcmp(key, "anchors") == 0) {
|
|
/* Skip */
|
|
chain_push(chain, key);
|
|
}
|
|
|
|
else {
|
|
LOG_ERR("%s: invalid key: %s", err_prefix(chain, node), key);
|
|
return false;
|
|
}
|
|
|
|
chain_pop(chain);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
verify_module(keychain_t *chain, const struct yml_node *node)
|
|
{
|
|
if (!yml_is_dict(node) || yml_dict_length(node) != 1) {
|
|
LOG_ERR("%s: module must be a dictionary with a single key; "
|
|
"the name of the module", err_prefix(chain, node));
|
|
return false;
|
|
}
|
|
|
|
struct yml_dict_iter m = yml_dict_iter(node);
|
|
const struct yml_node *module = m.key;
|
|
const struct yml_node *values = m.value;
|
|
|
|
const char *mod_name = yml_value_as_string(module);
|
|
if (mod_name == NULL) {
|
|
LOG_ERR("%s: module name must be a string", err_prefix(chain, node));
|
|
return false;
|
|
}
|
|
|
|
static const struct {
|
|
const char *name;
|
|
bool (*verify_fun)(keychain_t *chain, const struct yml_node *node);
|
|
} modules[] = {
|
|
{"alsa", &verify_module_alsa},
|
|
{"backlight", &verify_module_backlight},
|
|
{"battery", &verify_module_battery},
|
|
{"clock", &verify_module_clock},
|
|
{"i3", &verify_module_i3},
|
|
{"label", &verify_module_label},
|
|
{"mpd", &verify_module_mpd},
|
|
{"network", &verify_module_network},
|
|
{"removables", &verify_module_removables},
|
|
{"xkb", &verify_module_xkb},
|
|
{"xwindow", &verify_module_xwindow},
|
|
};
|
|
|
|
for (size_t i = 0; i < sizeof(modules) / sizeof(modules[0]); i++) {
|
|
if (strcmp(mod_name, modules[i].name) == 0) {
|
|
if (!modules[i].verify_fun(chain_push(chain, mod_name), values))
|
|
return false;
|
|
chain_pop(chain);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
LOG_ERR("%s: invalid module name: %s", err_prefix(chain, node), mod_name);
|
|
return false;
|
|
}
|
|
|
|
static bool
|
|
verify_module_list(keychain_t *chain, const struct yml_node *node)
|
|
{
|
|
if (!yml_is_list(node)) {
|
|
LOG_ERR("%s: must be a list of modules", err_prefix(chain, node));
|
|
return false;
|
|
}
|
|
|
|
for (struct yml_list_iter it = yml_list_iter(node);
|
|
it.node != NULL;
|
|
yml_list_next(&it))
|
|
{
|
|
if (!verify_module(chain, it.node))
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
config_verify_bar(const struct yml_node *bar)
|
|
{
|
|
if (!yml_is_dict(bar)) {
|
|
LOG_ERR("bar is not a dictionary");
|
|
return false;
|
|
}
|
|
|
|
keychain_t chain = tll_init();
|
|
chain_push(&chain, "bar");
|
|
|
|
bool ret = false;
|
|
|
|
for (struct yml_dict_iter it = yml_dict_iter(bar);
|
|
it.key != NULL;
|
|
yml_dict_next(&it))
|
|
{
|
|
if (!yml_is_scalar(it.key)) {
|
|
LOG_ERR("bar: key is not a scalar");
|
|
goto err;
|
|
}
|
|
|
|
const char *key = yml_value_as_string(it.key);
|
|
if (key == NULL) {
|
|
LOG_ERR("bar: key must be a string");
|
|
goto err;
|
|
}
|
|
|
|
if (strcmp(key, "height") == 0 ||
|
|
strcmp(key, "spacing") == 0 ||
|
|
strcmp(key, "left_spacing") == 0 ||
|
|
strcmp(key, "right_spacing") == 0 ||
|
|
strcmp(key, "margin") == 0 ||
|
|
strcmp(key, "left_margin") == 0 ||
|
|
strcmp(key, "right_margin") == 0)
|
|
{
|
|
if (!verify_int(chain_push(&chain, key), it.value))
|
|
goto err;
|
|
}
|
|
|
|
else if (strcmp(key, "location") == 0) {
|
|
if (!verify_enum(chain_push(&chain, key), it.value,
|
|
(const char *[]){"top", "bottom"}, 2))
|
|
goto err;
|
|
}
|
|
|
|
else if (strcmp(key, "background") == 0) {
|
|
if (!verify_color(chain_push(&chain, key), it.value))
|
|
goto err;
|
|
}
|
|
|
|
else if (strcmp(key, "border") == 0) {
|
|
if (!verify_border(chain_push(&chain, key), it.value))
|
|
goto err;
|
|
}
|
|
|
|
else if (strcmp(key, "font") == 0) {
|
|
if (!verify_font(chain_push(&chain, key), it.value))
|
|
goto err;
|
|
}
|
|
|
|
else if (strcmp(key, "left") == 0 ||
|
|
strcmp(key, "center") == 0 ||
|
|
strcmp(key, "right") == 0)
|
|
{
|
|
if (!verify_module_list(chain_push(&chain, key), it.value))
|
|
goto err;
|
|
}
|
|
|
|
else {
|
|
LOG_ERR("%s: invalid key: %s", err_prefix(&chain, bar), key);
|
|
goto err;
|
|
}
|
|
|
|
LOG_DBG("%s: verified", key);
|
|
chain_pop(&chain);
|
|
}
|
|
|
|
ret = true;
|
|
|
|
err:
|
|
tll_free(chain);
|
|
return ret;
|
|
}
|