/*
* udev_config.c
*
- * Userspace devfs
- *
* Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com>
- *
+ * Copyright (C) 2004, 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
#include <unistd.h>
#include <errno.h>
#include <ctype.h>
+#include <syslog.h>
#include "libsysfs/sysfs/libsysfs.h"
#include "udev_libc_wrapper.h"
#include "udev_utils.h"
#include "udev_version.h"
#include "logging.h"
-#include "udev_rules.h"
/* global variables */
char sysfs_path[PATH_SIZE];
char udev_root[PATH_SIZE];
char udev_db_path[PATH_SIZE];
-char udev_rules_filename[PATH_SIZE];
char udev_config_filename[PATH_SIZE];
-int udev_log;
-int udev_dev_d;
-int udev_hotplug_d;
-
-
-static int string_is_true(const char *str)
-{
- if (strcasecmp(str, "true") == 0)
- return 1;
- if (strcasecmp(str, "yes") == 0)
- return 1;
- if (strcasecmp(str, "1") == 0)
- return 1;
- return 0;
-}
+char udev_rules_filename[PATH_SIZE];
+int udev_log_priority;
+int udev_run;
static int get_key(char **line, char **key, char **value)
{
return 0;
}
-static void init_variables(void)
-{
- const char *env;
-
- /* If any config values are specified, they will override these values. */
- strcpy(udev_root, UDEV_ROOT);
- strcpy(udev_db_path, UDEV_DB);
- strcpy(udev_config_filename, UDEV_CONFIG_FILE);
- strcpy(udev_rules_filename, UDEV_RULES_FILE);
-
- udev_log = string_is_true(UDEV_LOG_DEFAULT);
-
- udev_dev_d = 1;
- env = getenv("UDEV_NO_DEVD");
- if (env && string_is_true(env))
- udev_dev_d = 0;
-
- udev_hotplug_d = 1;
- env = getenv("UDEV_NO_HOTPLUGD");
- if (env && string_is_true(env))
- udev_hotplug_d = 0;
-}
-
static int parse_config_file(void)
{
char line[LINE_SIZE];
int retval = 0;
if (file_map(udev_config_filename, &buf, &bufsize) != 0) {
- dbg("can't open '%s' as config file", udev_config_filename);
+ err("can't open '%s' as config file", udev_config_filename);
return -ENODEV;
}
- dbg("reading '%s' as config file", udev_config_filename);
/* loop through the whole file */
lineno = 0;
lineno++;
if (count >= sizeof(line)) {
- info("line too long, conf line skipped %s, line %d",
- udev_config_filename, lineno);
+ err("line too long, conf line skipped %s, line %d", udev_config_filename, lineno);
continue;
}
if (bufline[0] == COMMENT_CHARACTER)
continue;
- strlcpy(line, bufline, count);
- dbg("read '%s'", line);
+ strlcpy(line, bufline, count+1);
linepos = line;
retval = get_key(&linepos, &variable, &value);
if (retval != 0) {
- info("error parsing %s, line %d:%d", udev_config_filename, lineno, (int) (linepos-line));
+ err("error parsing %s, line %d:%d", udev_config_filename, lineno, (int) (linepos-line));
continue;
}
- dbg("variable='%s', value='%s'", variable, value);
-
if (strcasecmp(variable, "udev_root") == 0) {
strlcpy(udev_root, value, sizeof(udev_root));
- no_trailing_slash(udev_root);
+ remove_trailing_char(udev_root, '/');
continue;
}
if (strcasecmp(variable, "udev_db") == 0) {
strlcpy(udev_db_path, value, sizeof(udev_db_path));
- no_trailing_slash(udev_db_path);
+ remove_trailing_char(udev_db_path, '/');
continue;
}
if (strcasecmp(variable, "udev_rules") == 0) {
strlcpy(udev_rules_filename, value, sizeof(udev_rules_filename));
- no_trailing_slash(udev_rules_filename);
+ remove_trailing_char(udev_rules_filename, '/');
continue;
}
if (strcasecmp(variable, "udev_log") == 0) {
- udev_log = string_is_true(value);
+ udev_log_priority = log_priority(value);
continue;
}
}
void udev_init_config(void)
{
- const char *config;
+ const char *env;
- init_variables();
+ strcpy(udev_root, UDEV_ROOT);
+ strcpy(udev_db_path, UDEV_DB);
+ strcpy(udev_config_filename, UDEV_CONFIG_FILE);
+ strcpy(udev_rules_filename, UDEV_RULES_FILE);
+ udev_log_priority = LOG_ERR;
+ udev_run = 1;
sysfs_get_mnt_path(sysfs_path, sizeof(sysfs_path));
- config = getenv("UDEV_CONFIG_FILE");
- if (config != NULL)
- strlcpy(udev_config_filename, config, sizeof(udev_config_filename));
+ /* disable RUN key execution */
+ env = getenv("UDEV_RUN");
+ if (env && !string_is_true(env))
+ udev_run = 0;
+
+ env = getenv("UDEV_CONFIG_FILE");
+ if (env) {
+ strlcpy(udev_config_filename, env, sizeof(udev_config_filename));
+ remove_trailing_char(udev_config_filename, '/');
+ }
parse_config_file();
+
+ env = getenv("UDEV_LOG");
+ if (env)
+ udev_log_priority = log_priority(env);
+
dbg("sysfs_path='%s'", sysfs_path);
+ dbg("UDEV_CONFIG_FILE='%s'", udev_config_filename);
dbg("udev_root='%s'", udev_root);
- dbg("udev_config_filename='%s'", udev_config_filename);
- dbg("udev_db_path='%s'", udev_db_path);
- dbg("udev_rules_filename='%s'", udev_rules_filename);
- dbg("udev_log=%d", udev_log);
+ dbg("udev_db='%s'", udev_db_path);
+ dbg("udev_rules='%s'", udev_rules_filename);
+ dbg("udev_log=%d", udev_log_priority);
}