#include "libsysfs/sysfs/libsysfs.h"
#include "udev.h"
-#include "udev_lib.h"
+#include "udev_utils.h"
#include "udev_version.h"
#include "logging.h"
#include "namedev.h"
/* global variables */
char sysfs_path[SYSFS_PATH_MAX];
char udev_root[PATH_MAX];
-char udev_db_filename[PATH_MAX+NAME_MAX];
-char udev_permissions_filename[PATH_MAX+NAME_MAX];
+char udev_db_path[PATH_MAX+NAME_MAX];
char udev_rules_filename[PATH_MAX+NAME_MAX];
char udev_config_filename[PATH_MAX+NAME_MAX];
-char default_mode_str[MODE_SIZE];
-char default_owner_str[OWNER_SIZE];
-char default_group_str[GROUP_SIZE];
int udev_log;
-int udev_sleep;
int udev_dev_d;
+int udev_hotplug_d;
-static int string_is_true(char *str)
+static int string_is_true(const char *str)
{
if (strcasecmp(str, "true") == 0)
return 1;
static void init_variables(void)
{
- char *env;
+ const char *env;
- /* fill up the defaults.
- * If any config values are specified, they will
- * override these values. */
- strfieldcpy(udev_root, UDEV_ROOT);
- 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);
+ /* 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_sleep = 1;
- env = getenv("UDEV_NO_SLEEP");
- if (env && string_is_true(env))
- udev_sleep = 0;
+ 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;
-}
-
-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;
+ 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[255];
+ char line[LINE_SIZE];
+ char *bufline;
char *temp;
char *variable;
char *value;
/* loop through the whole file */
lineno = 0;
cur = 0;
- while (1) {
+ while (cur < bufsize) {
count = buf_get_line(buf, bufsize, cur);
-
- strncpy(line, buf + cur, count);
- line[count] = '\0';
- temp = line;
- lineno++;
-
+ bufline = &buf[cur];
cur += count+1;
- if (cur > bufsize)
- break;
-
- dbg_parse("read '%s'", temp);
+ lineno++;
- /* eat the whitespace at the beginning of the line */
- while (isspace(*temp))
- ++temp;
+ if (count >= LINE_SIZE) {
+ info("line too long, conf line skipped %s, line %d",
+ udev_config_filename, lineno);
+ continue;
+ }
- /* empty line? */
- if (*temp == 0x00)
+ /* eat the whitespace */
+ while ((count > 0) && isspace(bufline[0])) {
+ bufline++;
+ count--;
+ }
+ if (count == 0)
continue;
/* see if this is a comment */
- if (*temp == COMMENT_CHARACTER)
+ if (bufline[0] == COMMENT_CHARACTER)
continue;
+ strncpy(line, bufline, count);
+ line[count] = '\0';
+ temp = line;
+ dbg_parse("read '%s'", temp);
+
retval = parse_get_pair(&temp, &variable, &value);
if (retval != 0)
info("%s:%d:%Zd: error parsing '%s'",
if (strcasecmp(variable, "udev_root") == 0) {
strfieldcpy(udev_root, value);
- leading_slash(udev_root);
+ no_trailing_slash(udev_root);
continue;
}
if (strcasecmp(variable, "udev_db") == 0) {
- strfieldcpy(udev_db_filename, value);
+ strfieldcpy(udev_db_path, value);
+ no_trailing_slash(udev_db_path);
continue;
}
if (strcasecmp(variable, "udev_rules") == 0) {
strfieldcpy(udev_rules_filename, value);
- no_leading_slash(udev_rules_filename);
- continue;
- }
-
- if (strcasecmp(variable, "udev_permissions") == 0) {
- strfieldcpy(udev_permissions_filename, value);
- no_leading_slash(udev_permissions_filename);
- continue;
- }
-
- if (strcasecmp(variable, "default_mode") == 0) {
- strfieldcpy(default_mode_str, value);
- continue;
- }
-
- if (strcasecmp(variable, "default_owner") == 0) {
- strfieldcpy(default_owner_str, value);
- continue;
- }
-
- if (strcasecmp(variable, "default_group") == 0) {
- strfieldcpy(default_group_str, value);
+ no_trailing_slash(udev_rules_filename);
continue;
}
udev_log = string_is_true(value);
continue;
}
-
- info("%s:%d:%Zd: unknown key '%s'",
- udev_config_filename, lineno, temp-line, temp);
}
file_unmap(buf, bufsize);
temp = getenv("SYSFS_PATH");
if (temp != NULL) {
strfieldcpy(sysfs_path, temp);
- no_leading_slash(sysfs_path);
+ no_trailing_slash(sysfs_path);
}
temp = getenv("UDEV_CONFIG_FILE");
strfieldcpy(udev_config_filename, temp);
}
- dbg("sysfs_path='%s'", sysfs_path);
- 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_permissions_filename = %s", udev_permissions_filename);
- dbg_parse("udev_log = %d", udev_log);
-
parse_config_file();
-
- dbg("udev_root = %s", udev_root);
- dbg("udev_config_filename = %s", udev_config_filename);
- dbg("udev_db_filename = %s", udev_db_filename);
- dbg("udev_rules_filename = %s", udev_rules_filename);
- dbg("udev_permissions_filename = %s", udev_permissions_filename);
- dbg("udev_log_str = %d", udev_log);
+ dbg("sysfs_path='%s'", sysfs_path);
+ 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);
}
void udev_init_config(void)