chiark / gitweb /
selinux merge fixups again...
[elogind.git] / udev_config.c
index ba2b3d2b886966eaa890d09673e9a64a310e79c8..26ecf6291c8a2a856825081b1090b5fd386cb70b 100644 (file)
 #include <ctype.h>
 
 #include "libsysfs/sysfs/libsysfs.h"
+#include "udev_libc_wrapper.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_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];
+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_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;
@@ -67,62 +64,25 @@ static int string_is_true(char *str)
 
 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)
@@ -139,12 +99,11 @@ static int parse_config_file(void)
        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;
@@ -155,7 +114,7 @@ static int parse_config_file(void)
                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;
@@ -173,8 +132,7 @@ static int parse_config_file(void)
                if (bufline[0] == COMMENT_CHARACTER)
                        continue;
 
-               strncpy(line, bufline, count);
-               line[count] = '\0';
+               strlcpy(line, bufline, count);
                temp = line;
                dbg_parse("read '%s'", temp);
 
@@ -186,40 +144,20 @@ static int parse_config_file(void)
                dbg_parse("variable='%s', value='%s'", variable, value);
 
                if (strcasecmp(variable, "udev_root") == 0) {
-                       strfieldcpy(udev_root, value);
-                       leading_slash(udev_root);
+                       strlcpy(udev_root, value, sizeof(udev_root));
+                       no_trailing_slash(udev_root);
                        continue;
                }
 
                if (strcasecmp(variable, "udev_db") == 0) {
-                       strfieldcpy(udev_db_filename, 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);
-                       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);
+                       strlcpy(udev_rules_filename, value, sizeof(udev_rules_filename));
+                       no_trailing_slash(udev_rules_filename);
                        continue;
                }
 
@@ -227,9 +165,6 @@ static int parse_config_file(void)
                        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);
@@ -241,7 +176,7 @@ static void get_dirs(void)
        char *temp;
        int retval;
 
-       retval = sysfs_get_mnt_path(sysfs_path, SYSFS_PATH_MAX);
+       retval = sysfs_get_mnt_path(sysfs_path, sizeof(sysfs_path));
        if (retval)
                dbg("sysfs_get_mnt_path failed");
 
@@ -249,31 +184,22 @@ static void get_dirs(void)
        if (getenv("UDEV_TEST") != NULL) {
                temp = getenv("SYSFS_PATH");
                if (temp != NULL) {
-                       strfieldcpy(sysfs_path, temp);
-                       no_leading_slash(sysfs_path);
+                       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));
        }
 
-       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)