*
*/
-/* define this to enable parsing debugging */
-/* #define DEBUG_PARSER */
-
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <ctype.h>
#include "libsysfs/sysfs/libsysfs.h"
+#include "udev_libc_wrapper.h"
#include "udev.h"
#include "udev_utils.h"
#include "udev_version.h"
#include "logging.h"
-#include "namedev.h"
+#include "udev_rules.h"
/* global variables */
-char sysfs_path[SYSFS_PATH_MAX];
-char udev_root[PATH_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 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;
return 0;
}
+static int get_key(char **line, char **key, char **value)
+{
+ char *linepos;
+ char *temp;
+
+ linepos = *line;
+ if (!linepos)
+ return -1;
+
+ /* skip whitespace */
+ while (isspace(linepos[0]))
+ linepos++;
+
+ /* get the key */
+ *key = linepos;
+ while (1) {
+ linepos++;
+ if (linepos[0] == '\0')
+ return -1;
+ if (isspace(linepos[0]))
+ break;
+ if (linepos[0] == '=')
+ break;
+ }
+
+ /* terminate key */
+ linepos[0] = '\0';
+ linepos++;
+
+ /* skip whitespace */
+ while (isspace(linepos[0]))
+ linepos++;
+
+ /* get the value*/
+ if (linepos[0] == '"')
+ linepos++;
+ else
+ return -1;
+ *value = linepos;
+
+ temp = strchr(linepos, '"');
+ if (!temp)
+ return -1;
+ temp[0] = '\0';
+
+ return 0;
+}
+
static void init_variables(void)
{
const char *env;
{
char line[LINE_SIZE];
char *bufline;
- char *temp;
+ char *linepos;
char *variable;
char *value;
char *buf;
int lineno;
int retval = 0;
- if (file_map(udev_config_filename, &buf, &bufsize) == 0) {
- dbg("reading '%s' as config file", udev_config_filename);
- } else {
+ if (file_map(udev_config_filename, &buf, &bufsize) != 0) {
dbg("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;
cur += count+1;
lineno++;
- if (count >= LINE_SIZE) {
+ if (count >= sizeof(line)) {
info("line too long, conf line skipped %s, line %d",
udev_config_filename, lineno);
continue;
if (bufline[0] == COMMENT_CHARACTER)
continue;
- strncpy(line, bufline, count);
- line[count] = '\0';
- temp = line;
- dbg_parse("read '%s'", temp);
+ strlcpy(line, bufline, count);
+ dbg("read '%s'", line);
- retval = parse_get_pair(&temp, &variable, &value);
- if (retval != 0)
- info("%s:%d:%Zd: error parsing '%s'",
- udev_config_filename, lineno, temp-line, temp);
+ 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));
+ continue;
+ }
- dbg_parse("variable='%s', value='%s'", variable, value);
+ dbg("variable='%s', value='%s'", variable, value);
if (strcasecmp(variable, "udev_root") == 0) {
- strfieldcpy(udev_root, value);
+ strlcpy(udev_root, value, sizeof(udev_root));
no_trailing_slash(udev_root);
continue;
}
if (strcasecmp(variable, "udev_db") == 0) {
- strfieldcpy(udev_db_path, value);
+ strlcpy(udev_db_path, value, sizeof(udev_db_path));
no_trailing_slash(udev_db_path);
continue;
}
if (strcasecmp(variable, "udev_rules") == 0) {
- strfieldcpy(udev_rules_filename, value);
+ strlcpy(udev_rules_filename, value, sizeof(udev_rules_filename));
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);
return retval;
}
-static void get_dirs(void)
+void udev_init_config(void)
{
- char *temp;
- int retval;
- retval = sysfs_get_mnt_path(sysfs_path, SYSFS_PATH_MAX);
- if (retval)
- dbg("sysfs_get_mnt_path failed");
+ init_variables();
+ sysfs_get_mnt_path(sysfs_path, sizeof(sysfs_path));
/* see if we should try to override any of the default values */
if (getenv("UDEV_TEST") != NULL) {
+ char *temp;
+
temp = getenv("SYSFS_PATH");
if (temp != NULL) {
- strfieldcpy(sysfs_path, temp);
+ strlcpy(sysfs_path, temp, sizeof(sysfs_path));
no_trailing_slash(sysfs_path);
}
temp = getenv("UDEV_CONFIG_FILE");
if (temp != NULL)
- strfieldcpy(udev_config_filename, temp);
+ strlcpy(udev_config_filename, temp, sizeof(udev_config_filename));
}
parse_config_file();
dbg("udev_rules_filename='%s'", udev_rules_filename);
dbg("udev_log=%d", udev_log);
}
-
-void udev_init_config(void)
-{
- init_variables();
- get_dirs();
-}