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-rw-r--r--udevrulescompile.c127
1 files changed, 127 insertions, 0 deletions
diff --git a/udevrulescompile.c b/udevrulescompile.c
new file mode 100644
index 0000000000..ff9dd79fd4
--- /dev/null
+++ b/udevrulescompile.c
@@ -0,0 +1,127 @@
+/*
+ * udevrulescompile.c - store already parsed config on disk
+ *
+ * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include "udev_libc_wrapper.h"
+#include "udev_sysfs.h"
+#include "udev.h"
+#include "udev_version.h"
+#include "logging.h"
+#include "udev_rules.h"
+#include "udev_utils.h"
+#include "list.h"
+
+#ifdef USE_LOG
+void log_message(int priority, const char *format, ...)
+{
+ va_list args;
+
+ if (priority > udev_log_priority)
+ return;
+
+ va_start(args, format);
+ vsyslog(priority, format, args);
+ va_end(args);
+}
+#endif
+
+int main(int argc, char *argv[], char *envp[])
+{
+ struct udev_rule *rule;
+ FILE *f;
+ char comp[PATH_SIZE];
+ char comp_tmp[PATH_SIZE];
+ int retval = 0;
+
+ logging_init("udevrulescompile");
+ udev_init_config();
+ dbg("version %s", UDEV_VERSION);
+
+ strlcpy(comp, udev_rules_filename, sizeof(comp));
+ strlcat(comp, ".compiled", sizeof(comp));
+ strlcpy(comp_tmp, comp, sizeof(comp_tmp));
+ strlcat(comp_tmp, ".tmp", sizeof(comp_tmp));
+
+ /* remove old version, otherwise we would read it
+ * instead of the real rules */
+ unlink(comp);
+ unlink(comp_tmp);
+
+ udev_rules_init();
+
+ f = fopen(comp_tmp, "w");
+ if (f == NULL) {
+ err("unable to create db file '%s'", comp_tmp);
+ unlink(comp_tmp);
+ retval = 1;
+ goto exit;
+ }
+ dbg("storing compiled rules in '%s'", comp_tmp);
+
+ udev_rules_iter_init();
+ while (1) {
+ char *endptr;
+ unsigned long id;
+
+ rule = udev_rules_iter_next();
+ if (rule == NULL)
+ break;
+
+ id = strtoul(rule->owner, &endptr, 10);
+ if (endptr[0] != '\0') {
+ uid_t uid;
+
+ uid = lookup_user(rule->owner);
+ dbg("replacing username='%s' by id=%i", rule->owner, uid);
+ sprintf(rule->owner, "%li", uid);
+ }
+
+ id = strtoul(rule->group, &endptr, 10);
+ if (endptr[0] != '\0') {
+ gid_t gid;
+
+ gid = lookup_group(rule->group);
+ dbg("replacing groupname='%s' by id=%i", rule->group, gid);
+ sprintf(rule->group, "%li", gid);
+ }
+
+ dbg("kernel='%s' name='%s'", rule->kernel, rule->name);
+ fwrite(rule, sizeof(struct udev_rule), 1, f);
+ }
+
+ fclose(f);
+ dbg("activating compiled rules in '%s'", comp);
+ if (rename(comp_tmp, comp) != 0) {
+ err("unable to write file");
+ unlink(comp);
+ unlink(comp_tmp);
+ retval = 2;
+ }
+
+exit:
+ logging_close();
+ return retval;
+}