static bool initialize_properties() {
FILE* file = fopen("/property_contexts", "re");
if (!file) {
return false;
}
char* buffer = nullptr;
size_t line_len;
char* prop_prefix = nullptr;
char* context = nullptr;
while (getline(&buffer, &line_len, file) > 0) {
int items = read_spec_entries(buffer, 2, &prop_prefix, &context);
if (items <= 0) {
continue;
}
if (items == 1) {
free(prop_prefix);
continue;
}
/*
* init uses ctl.* properties as an IPC mechanism and does not write them
* to a property file, therefore we do not need to create property files
* to store them.
*/
if (!strncmp(prop_prefix, "ctl.", 4)) {
free(prop_prefix);
free(context);
continue;
}
auto old_context = list_find(
contexts, [context](context_node* l) { return !strcmp(l->context(), context); });
if (old_context) {
list_add_after_len(&prefixes, prop_prefix, old_context);
} else {
list_add(&contexts, context, nullptr);
list_add_after_len(&prefixes, prop_prefix, contexts);
}
free(prop_prefix);
free(context);
}
free(buffer);
fclose(file);
return true;
}
static int process_line(struct selabel_handle *rec,
const char *path, char *line_buf,
int pass, unsigned lineno)
{
int items;
char *prop = NULL, *context = NULL;
struct saved_data *data = (struct saved_data *)rec->data;
spec_t *spec_arr = data->spec_arr;
unsigned int nspec = data->nspec;
const char *errbuf = NULL;
items = read_spec_entries(line_buf, &errbuf, 2, &prop, &context);
if (items < 0) {
items = errno;
selinux_log(SELINUX_ERROR,
"%s: line %u error due to: %s\n", path,
lineno, errbuf ?: strerror(errno));
errno = items;
return -1;
}
