*
* Userspace devfs
*
- * Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com>
*
*
* This program is free software; you can redistribute it and/or modify it
#include "udev.h"
#include "udev_version.h"
+#include "logging.h"
#include "namedev.h"
#include "libsysfs/libsysfs.h"
/* global variables */
char sysfs_path[SYSFS_PATH_MAX];
-char udev_config_dir[PATH_MAX];
char udev_root[PATH_MAX];
char udev_db_filename[PATH_MAX+NAME_MAX];
-char udev_permission_filename[PATH_MAX+NAME_MAX];
+char udev_permissions_filename[PATH_MAX+NAME_MAX];
char udev_rules_filename[PATH_MAX+NAME_MAX];
char udev_config_filename[PATH_MAX+NAME_MAX];
-char default_mode_str[NAME_MAX];
+char default_mode_str[MODE_SIZE];
+char default_owner_str[OWNER_SIZE];
+char default_group_str[GROUP_SIZE];
+int udev_log;
+static int string_is_true(char *str)
+{
+ if (strcasecmp(str, "true") == 0)
+ return 1;
+ if (strcasecmp(str, "yes") == 0)
+ return 1;
+ return 0;
+}
+
static void init_variables(void)
{
+ /* fill up the defaults.
+ * If any config values are specified, they will
+ * override these values. */
strfieldcpy(udev_root, UDEV_ROOT);
- strfieldcpy(udev_config_dir, UDEV_CONFIG_DIR);
+ strfieldcpy(udev_db_filename, UDEV_DB);
+ strfieldcpy(udev_config_filename, UDEV_CONFIG_FILE);
+ strfieldcpy(udev_rules_filename, UDEV_RULES_FILE);
+ strfieldcpy(udev_permissions_filename, UDEV_PERMISSION_FILE);
+ udev_log = string_is_true(UDEV_LOG_DEFAULT);
}
#define set_var(_name, _var) \
strncpy(_var, value, sizeof(_var)); \
}
+#define set_bool(_name, _var) \
+ if (strcasecmp(variable, _name) == 0) { \
+ dbg_parse("%s = '%s'", _name, value); \
+ _var = string_is_true(value); \
+ }
+
+int parse_get_pair(char **orig_string, char **left, char **right)
+{
+ char *temp;
+ char *string = *orig_string;
+
+ if (!string)
+ return -ENODEV;
+
+ /* eat any whitespace */
+ while (isspace(*string) || *string == ',')
+ ++string;
+
+ /* split based on '=' */
+ temp = strsep(&string, "=");
+ *left = temp;
+ if (!string)
+ return -ENODEV;
+
+ /* take the right side and strip off the '"' */
+ while (isspace(*string))
+ ++string;
+ if (*string == '"')
+ ++string;
+ else
+ return -ENODEV;
+
+ temp = strsep(&string, "\"");
+ if (!string || *temp == '\0')
+ return -ENODEV;
+ *right = temp;
+ *orig_string = string;
+
+ return 0;
+}
+
static int parse_config_file(void)
{
char line[255];
if (*temp == COMMENT_CHARACTER)
continue;
- retval = get_pair(&temp, &variable, &value);
+ retval = parse_get_pair(&temp, &variable, &value);
if (retval)
break;
set_var("udev_root", udev_root);
set_var("udev_db", udev_db_filename);
set_var("udev_rules", udev_rules_filename);
- set_var("udev_permissions", udev_permission_filename);
+ set_var("udev_permissions", udev_permissions_filename);
set_var("default_mode", default_mode_str);
+ set_var("default_owner", default_owner_str);
+ set_var("default_group", default_group_str);
+ set_bool("udev_log", udev_log);
}
dbg_parse("%s:%d:%Zd: error parsing '%s'", udev_config_filename,
lineno, temp - line, temp);
static void get_dirs(void)
{
char *temp;
- char *udev_db = UDEV_DB;
- char *udev_config = UDEV_CONFIG_FILE;
- char *udev_rules = UDEV_RULES_FILE;
- char *udev_permission = UDEV_PERMISSION_FILE;
int retval;
retval = sysfs_get_mnt_path(sysfs_path, SYSFS_PATH_MAX);
temp = getenv("SYSFS_PATH");
if (temp)
strfieldcpy(sysfs_path, temp);
- temp = getenv("UDEV_CONFIG_DIR");
- if (temp)
- strfieldcpy(udev_config_dir, temp);
- temp = getenv("UDEV_ROOT");
- if (temp)
- strfieldcpy(udev_root, temp);
- temp = getenv("UDEV_DB");
- if (temp)
- udev_db = temp;
temp = getenv("UDEV_CONFIG_FILE");
if (temp)
- udev_config = temp;
- temp = getenv("UDEV_RULES_FILE");
- if (temp)
- udev_rules = temp;
- temp = getenv("UDEV_PERMISSION_FILE");
- if (temp)
- udev_permission = temp;
+ strfieldcpy(udev_config_filename, temp);
}
dbg("sysfs_path='%s'", sysfs_path);
- strncpy(udev_db_filename, udev_root, sizeof(udev_db_filename));
- strncat(udev_db_filename, udev_db, sizeof(udev_db_filename));
-
- strncpy(udev_config_filename, udev_config_dir, sizeof(udev_config_filename));
- strncat(udev_config_filename, udev_config, sizeof(udev_config_filename));
-
- strncpy(udev_rules_filename, udev_config_dir, sizeof(udev_permission_filename));
- strncat(udev_rules_filename, udev_rules, sizeof(udev_permission_filename));
-
- strncpy(udev_permission_filename, udev_config_dir, sizeof(udev_permission_filename));
- strncat(udev_permission_filename, udev_permission, sizeof(udev_permission_filename));
-
dbg_parse("udev_root = %s", udev_root);
dbg_parse("udev_config_filename = %s", udev_config_filename);
dbg_parse("udev_db_filename = %s", udev_db_filename);
dbg_parse("udev_rules_filename = %s", udev_rules_filename);
- dbg_parse("udev_permission_filename = %s", udev_permission_filename);
+ dbg_parse("udev_permissions_filename = %s", udev_permissions_filename);
+ dbg_parse("udev_log = %d", udev_log);
parse_config_file();
dbg_parse("udev_root = %s", udev_root);
dbg_parse("udev_config_filename = %s", udev_config_filename);
dbg_parse("udev_db_filename = %s", udev_db_filename);
dbg_parse("udev_rules_filename = %s", udev_rules_filename);
- dbg_parse("udev_permission_filename = %s", udev_permission_filename);
+ dbg_parse("udev_permissions_filename = %s", udev_permissions_filename);
+ dbg_parse("udev_log_str = %d", udev_log);
}
void udev_init_config(void)