chiark / gitweb /
while (1) -> for (;;)
[elogind.git] / udev / udev-rules.c
index 5f6ed06c9c01e11b70088d7589f8385fdfafdf46..11948caccea8b7d03204e90998394274346334bf 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2009 Kay Sievers <kay.sievers@vrfy.org>
+ * Copyright (C) 2003-2010 Kay Sievers <kay.sievers@vrfy.org>
  * Copyright (C) 2008 Alan Jenkins <alan-jenkins@tuffmail.co.uk>
  *
  * This program is free software: you can redistribute it and/or modify
@@ -19,6 +19,7 @@
 #include <stddef.h>
 #include <limits.h>
 #include <stdlib.h>
+#include <stdbool.h>
 #include <string.h>
 #include <stdio.h>
 #include <fcntl.h>
@@ -27,6 +28,7 @@
 #include <errno.h>
 #include <dirent.h>
 #include <fnmatch.h>
+#include <time.h>
 
 #include "udev.h"
 
@@ -123,6 +125,7 @@ enum token_type {
        TK_M_DEVLINK,                   /* val */
        TK_M_NAME,                      /* val */
        TK_M_ENV,                       /* val, attr */
+       TK_M_TAG,                       /* val */
        TK_M_SUBSYSTEM,                 /* val */
        TK_M_DRIVER,                    /* val */
        TK_M_WAITFOR,                   /* val */
@@ -139,15 +142,14 @@ enum token_type {
        TK_M_PROGRAM,                   /* val */
        TK_M_IMPORT_FILE,               /* val */
        TK_M_IMPORT_PROG,               /* val */
+       TK_M_IMPORT_DB,                 /* val */
        TK_M_IMPORT_PARENT,             /* val */
        TK_M_RESULT,                    /* val */
        TK_M_MAX,
 
-       TK_A_IGNORE_DEVICE,
        TK_A_STRING_ESCAPE_NONE,
        TK_A_STRING_ESCAPE_REPLACE,
        TK_A_INOTIFY_WATCH,             /* int */
-       TK_A_NUM_FAKE_PART,             /* int */
        TK_A_DEVLINK_PRIO,              /* int */
        TK_A_OWNER,                     /* val */
        TK_A_GROUP,                     /* val */
@@ -155,15 +157,15 @@ enum token_type {
        TK_A_OWNER_ID,                  /* uid_t */
        TK_A_GROUP_ID,                  /* gid_t */
        TK_A_MODE_ID,                   /* mode_t */
+       TK_A_STATIC_NODE,               /* val */
        TK_A_ENV,                       /* val, attr */
+       TK_A_TAG,                       /* val */
        TK_A_NAME,                      /* val */
        TK_A_DEVLINK,                   /* val */
        TK_A_EVENT_TIMEOUT,             /* int */
-       TK_A_IGNORE_REMOVE,
        TK_A_ATTR,                      /* val, attr */
        TK_A_RUN,                       /* val, bool */
        TK_A_GOTO,                      /* size_t */
-       TK_A_LAST_RULE,
 
        TK_END,
 };
@@ -171,10 +173,12 @@ enum token_type {
 /* we try to pack stuff in a way that we take only 12 bytes per token */
 struct token {
        union {
-               unsigned char type;             /* same as in rule and key */
+               unsigned char type;             /* same in rule and key */
                struct {
                        enum token_type type:8;
-                       unsigned int flags:8;
+                       bool can_set_name:1;
+                       bool has_static_node:1;
+                       unsigned int unused:6;
                        unsigned short token_count;
                        unsigned int label_off;
                        unsigned short filename_off;
@@ -189,12 +193,12 @@ struct token {
                        unsigned int value_off;
                        union {
                                unsigned int attr_off;
-                               int ignore_error;
+                               int devlink_unique;
+                               int fail_on_error;
                                unsigned int rule_goto;
                                mode_t  mode;
                                uid_t uid;
                                gid_t gid;
-                               int num_fake_part;
                                int devlink_prio;
                                int event_timeout;
                                int watch;
@@ -254,6 +258,7 @@ static const char *token_str(enum token_type type)
                [TK_M_DEVLINK] =                "M DEVLINK",
                [TK_M_NAME] =                   "M NAME",
                [TK_M_ENV] =                    "M ENV",
+               [TK_M_TAG] =                    "M TAG",
                [TK_M_SUBSYSTEM] =              "M SUBSYSTEM",
                [TK_M_DRIVER] =                 "M DRIVER",
                [TK_M_WAITFOR] =                "M WAITFOR",
@@ -270,31 +275,30 @@ static const char *token_str(enum token_type type)
                [TK_M_PROGRAM] =                "M PROGRAM",
                [TK_M_IMPORT_FILE] =            "M IMPORT_FILE",
                [TK_M_IMPORT_PROG] =            "M IMPORT_PROG",
-               [TK_M_IMPORT_PARENT] =          "M MPORT_PARENT",
+               [TK_M_IMPORT_DB] =              "M IMPORT_DB",
+               [TK_M_IMPORT_PARENT] =          "M IMPORT_PARENT",
                [TK_M_RESULT] =                 "M RESULT",
                [TK_M_MAX] =                    "M MAX",
 
-               [TK_A_IGNORE_DEVICE] =          "A IGNORE_DEVICE",
                [TK_A_STRING_ESCAPE_NONE] =     "A STRING_ESCAPE_NONE",
                [TK_A_STRING_ESCAPE_REPLACE] =  "A STRING_ESCAPE_REPLACE",
                [TK_A_INOTIFY_WATCH] =          "A INOTIFY_WATCH",
-               [TK_A_NUM_FAKE_PART] =          "A NUM_FAKE_PART",
                [TK_A_DEVLINK_PRIO] =           "A DEVLINK_PRIO",
                [TK_A_OWNER] =                  "A OWNER",
                [TK_A_GROUP] =                  "A GROUP",
                [TK_A_MODE] =                   "A MODE",
                [TK_A_OWNER_ID] =               "A OWNER_ID",
                [TK_A_GROUP_ID] =               "A GROUP_ID",
+               [TK_A_STATIC_NODE] =            "A STATIC_NODE",
                [TK_A_MODE_ID] =                "A MODE_ID",
                [TK_A_ENV] =                    "A ENV",
+               [TK_A_TAG] =                    "A ENV",
                [TK_A_NAME] =                   "A NAME",
                [TK_A_DEVLINK] =                "A DEVLINK",
                [TK_A_EVENT_TIMEOUT] =          "A EVENT_TIMEOUT",
-               [TK_A_IGNORE_REMOVE] =          "A IGNORE_REMOVE",
                [TK_A_ATTR] =                   "A ATTR",
                [TK_A_RUN] =                    "A RUN",
                [TK_A_GOTO] =                   "A GOTO",
-               [TK_A_LAST_RULE] =              "A LAST_RULE",
 
                [TK_END] =                      "END",
        };
@@ -317,11 +321,10 @@ static void dump_token(struct udev_rules *rules, struct token *token)
                        const char *tk_ptr = (char *)token;
                        unsigned int idx = (tk_ptr - tks_ptr) / sizeof(struct token);
 
-                       dbg(rules->udev, "* RULE %s:%u, token: %u, count: %u, label: '%s', flags: 0x%02x\n",
+                       dbg(rules->udev, "* RULE %s:%u, token: %u, count: %u, label: '%s'\n",
                            &rules->buf[token->rule.filename_off], token->rule.filename_line,
                            idx, token->rule.token_count,
-                           &rules->buf[token->rule.label_off],
-                           token->rule.flags);
+                           &rules->buf[token->rule.label_off]);
                        break;
                }
        case TK_M_ACTION:
@@ -338,6 +341,7 @@ static void dump_token(struct udev_rules *rules, struct token *token)
        case TK_M_PROGRAM:
        case TK_M_IMPORT_FILE:
        case TK_M_IMPORT_PROG:
+       case TK_M_IMPORT_DB:
        case TK_M_IMPORT_PARENT:
        case TK_M_RESULT:
        case TK_A_NAME:
@@ -357,11 +361,12 @@ static void dump_token(struct udev_rules *rules, struct token *token)
                dbg(rules->udev, "%s %s '%s' '%s'(%s)\n",
                    token_str(type), operation_str(op), attr, value, string_glob_str(glob));
                break;
-       case TK_A_IGNORE_DEVICE:
+       case TK_M_TAG:
+       case TK_A_TAG:
+               dbg(rules->udev, "%s %s '%s'\n", token_str(type), operation_str(op), value);
+               break;
        case TK_A_STRING_ESCAPE_NONE:
        case TK_A_STRING_ESCAPE_REPLACE:
-       case TK_A_LAST_RULE:
-       case TK_A_IGNORE_REMOVE:
                dbg(rules->udev, "%s\n", token_str(type));
                break;
        case TK_M_TEST:
@@ -371,11 +376,8 @@ static void dump_token(struct udev_rules *rules, struct token *token)
        case TK_A_INOTIFY_WATCH:
                dbg(rules->udev, "%s %u\n", token_str(type), token->key.watch);
                break;
-       case TK_A_NUM_FAKE_PART:
-               dbg(rules->udev, "%s %u\n", token_str(type), token->key.num_fake_part);
-               break;
        case TK_A_DEVLINK_PRIO:
-               dbg(rules->udev, "%s %s %u\n", token_str(type), operation_str(op), token->key.devlink_prio);
+               dbg(rules->udev, "%s %u\n", token_str(type), token->key.devlink_prio);
                break;
        case TK_A_OWNER_ID:
                dbg(rules->udev, "%s %s %u\n", token_str(type), operation_str(op), token->key.uid);
@@ -386,8 +388,11 @@ static void dump_token(struct udev_rules *rules, struct token *token)
        case TK_A_MODE_ID:
                dbg(rules->udev, "%s %s %#o\n", token_str(type), operation_str(op), token->key.mode);
                break;
+       case TK_A_STATIC_NODE:
+               dbg(rules->udev, "%s '%s'\n", token_str(type), value);
+               break;
        case TK_A_EVENT_TIMEOUT:
-               dbg(rules->udev, "%s %s %u\n", token_str(type), operation_str(op), token->key.event_timeout);
+               dbg(rules->udev, "%s %u\n", token_str(type), token->key.event_timeout);
                break;
        case TK_A_GOTO:
                dbg(rules->udev, "%s '%s' %u\n", token_str(type), value, token->key.rule_goto);
@@ -720,7 +725,7 @@ static int import_property_from_string(struct udev_device *dev, char *line)
                entry = udev_device_add_property(dev, key, val);
                /* store in db, skip private keys */
                if (key[0] != '.')
-                       udev_list_entry_set_flag(entry, 1);
+                       udev_list_entry_set_flags(entry, 1);
        }
        return 0;
 }
@@ -748,7 +753,7 @@ static int import_program_into_properties(struct udev_device *dev, const char *p
        char *line;
 
        envp = udev_device_get_properties_envp(dev);
-       if (util_run_program(udev, program, envp, result, sizeof(result), &reslen) != 0)
+       if (util_run_program(udev, program, envp, result, sizeof(result), &reslen, NULL, false) != 0)
                return -1;
 
        line = result;
@@ -788,7 +793,7 @@ static int import_parent_into_properties(struct udev_device *dev, const char *fi
                        entry = udev_device_add_property(dev, key, val);
                        /* store in db, skip private keys */
                        if (key[0] != '.')
-                               udev_list_entry_set_flag(entry, 1);
+                               udev_list_entry_set_flags(entry, 1);
                }
        }
        return 0;
@@ -814,6 +819,8 @@ static int wait_for_file(struct udev_device *dev, const char *file, int timeout)
 
        dbg(udev, "will wait %i sec for '%s'\n", timeout, file);
        while (--loop) {
+               const struct timespec duration = { 0, 1000 * 1000 * 1000 / WAIT_LOOP_PER_SECOND };
+
                /* lookup file */
                if (stat(file, &stats) == 0) {
                        info(udev, "file '%s' appeared after %i loops\n", file, (timeout * WAIT_LOOP_PER_SECOND) - loop-1);
@@ -825,7 +832,7 @@ static int wait_for_file(struct udev_device *dev, const char *file, int timeout)
                        return -2;
                }
                info(udev, "wait for '%s' for %i mseconds\n", file, 1000 / WAIT_LOOP_PER_SECOND);
-               usleep(1000 * 1000 / WAIT_LOOP_PER_SECOND);
+               nanosleep(&duration, NULL);
        }
        info(udev, "waiting for '%s' failed\n", file);
        return -1;
@@ -833,7 +840,7 @@ static int wait_for_file(struct udev_device *dev, const char *file, int timeout)
 
 static int attr_subst_subdir(char *attr, size_t len)
 {
-       int found = 0;
+       bool found = false;
 
        if (strstr(attr, "/*/")) {
                char *pos;
@@ -858,7 +865,7 @@ static int attr_subst_subdir(char *attr, size_t len)
                                        continue;
                                util_strscpyl(attr, len, dirname, "/", dent->d_name, tail, NULL);
                                if (stat(attr, &stats) == 0) {
-                                       found = 1;
+                                       found = true;
                                        break;
                                }
                        }
@@ -875,7 +882,7 @@ static int get_key(struct udev *udev, char **line, char **key, enum operation_ty
        char *temp;
 
        linepos = *line;
-       if (linepos == NULL && linepos[0] == '\0')
+       if (linepos == NULL || linepos[0] == '\0')
                return -1;
 
        /* skip whitespace */
@@ -887,7 +894,7 @@ static int get_key(struct udev *udev, char **line, char **key, enum operation_ty
                return -1;
        *key = linepos;
 
-       while (1) {
+       for (;;) {
                linepos++;
                if (linepos[0] == '\0')
                        return -1;
@@ -1002,14 +1009,16 @@ static int rule_add_key(struct rule_tmp *rule_tmp, enum token_type type,
        case TK_M_PROGRAM:
        case TK_M_IMPORT_FILE:
        case TK_M_IMPORT_PROG:
+       case TK_M_IMPORT_DB:
        case TK_M_IMPORT_PARENT:
        case TK_M_RESULT:
        case TK_A_OWNER:
        case TK_A_GROUP:
        case TK_A_MODE:
        case TK_A_NAME:
-       case TK_A_DEVLINK:
        case TK_A_GOTO:
+       case TK_M_TAG:
+       case TK_A_TAG:
                token->key.value_off = add_string(rule_tmp->rules, value);
                break;
        case TK_M_ENV:
@@ -1021,23 +1030,23 @@ static int rule_add_key(struct rule_tmp *rule_tmp, enum token_type type,
                token->key.value_off = add_string(rule_tmp->rules, value);
                token->key.attr_off = add_string(rule_tmp->rules, attr);
                break;
+       case TK_A_DEVLINK:
+               token->key.value_off = add_string(rule_tmp->rules, value);
+               token->key.devlink_unique = *(int *)data;
+               break;
        case TK_M_TEST:
                token->key.value_off = add_string(rule_tmp->rules, value);
                if (data != NULL)
                        token->key.mode = *(mode_t *)data;
                break;
-       case TK_A_IGNORE_DEVICE:
        case TK_A_STRING_ESCAPE_NONE:
        case TK_A_STRING_ESCAPE_REPLACE:
-       case TK_A_IGNORE_REMOVE:
-       case TK_A_LAST_RULE:
                break;
        case TK_A_RUN:
                token->key.value_off = add_string(rule_tmp->rules, value);
-               token->key.ignore_error = *(int *)data;
+               token->key.fail_on_error = *(int *)data;
                break;
        case TK_A_INOTIFY_WATCH:
-       case TK_A_NUM_FAKE_PART:
        case TK_A_DEVLINK_PRIO:
                token->key.devlink_prio = *(int *)data;
                break;
@@ -1050,6 +1059,9 @@ static int rule_add_key(struct rule_tmp *rule_tmp, enum token_type type,
        case TK_A_MODE_ID:
                token->key.mode = *(mode_t *)data;
                break;
+       case TK_A_STATIC_NODE:
+               token->key.value_off = add_string(rule_tmp->rules, value);
+               break;
        case TK_A_EVENT_TIMEOUT:
                token->key.event_timeout = *(int *)data;
                break;
@@ -1124,7 +1136,7 @@ static int sort_token(struct udev_rules *rules, struct rule_tmp *rule_tmp)
 
        for (i = 0; i < rule_tmp->token_cur; i++) {
                enum token_type next_val = TK_UNSET;
-               unsigned int next_idx;
+               unsigned int next_idx = 0;
                unsigned int j;
 
                /* find smallest value */
@@ -1157,6 +1169,9 @@ static int add_rule(struct udev_rules *rules, char *line,
        char *linepos;
        char *attr;
        struct rule_tmp rule_tmp;
+       bool bus_warn = false;
+       bool sysfs_warn = false;
+       bool id_warn = false;
 
        memset(&rule_tmp, 0x00, sizeof(struct rule_tmp));
        rule_tmp.rules = rules;
@@ -1165,7 +1180,7 @@ static int add_rule(struct udev_rules *rules, char *line,
        rule_tmp.rule.rule.filename_line = lineno;
 
        linepos = line;
-       while (1) {
+       for (;;) {
                char *key;
                char *value;
                enum operation_type op;
@@ -1241,8 +1256,22 @@ static int add_rule(struct udev_rules *rules, char *line,
                        continue;
                }
 
-               if (strcmp(key, "KERNELS") == 0 ||
-                   strcmp(key, "ID") == 0) {
+               if (strcmp(key, "KERNELS") == 0) {
+                       if (op > OP_MATCH_MAX) {
+                               err(rules->udev, "invalid KERNELS operation\n");
+                               goto invalid;
+                       }
+                       rule_add_key(&rule_tmp, TK_M_KERNELS, op, value, NULL);
+                       continue;
+               }
+
+               if (strcmp(key, "ID") == 0) {
+                       if (!id_warn) {
+                               id_warn = true;
+                               err(rules->udev, "ID= will be removed in a future udev version, "
+                                   "please use KERNEL= to match the event device, or KERNELS= "
+                                   "to match a parent device, in %s:%u\n", filename, lineno);
+                       }
                        if (op > OP_MATCH_MAX) {
                                err(rules->udev, "invalid KERNELS operation\n");
                                goto invalid;
@@ -1251,8 +1280,22 @@ static int add_rule(struct udev_rules *rules, char *line,
                        continue;
                }
 
-               if (strcmp(key, "SUBSYSTEMS") == 0 ||
-                   strcmp(key, "BUS") == 0) {
+               if (strcmp(key, "SUBSYSTEMS") == 0) {
+                       if (op > OP_MATCH_MAX) {
+                               err(rules->udev, "invalid SUBSYSTEMS operation\n");
+                               goto invalid;
+                       }
+                       rule_add_key(&rule_tmp, TK_M_SUBSYSTEMS, op, value, NULL);
+                       continue;
+               }
+
+               if (strcmp(key, "BUS") == 0) {
+                       if (!bus_warn) {
+                               bus_warn = true;
+                               err(rules->udev, "BUS= will be removed in a future udev version, "
+                                   "please use SUBSYSTEM= to match the event device, or SUBSYSTEMS= "
+                                   "to match a parent device, in %s:%u\n", filename, lineno);
+                       }
                        if (op > OP_MATCH_MAX) {
                                err(rules->udev, "invalid SUBSYSTEMS operation\n");
                                goto invalid;
@@ -1270,8 +1313,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                        continue;
                }
 
-               if (strncmp(key, "ATTRS{", sizeof("ATTRS{")-1) == 0 ||
-                   strncmp(key, "SYSFS{", sizeof("SYSFS{")-1) == 0) {
+               if (strncmp(key, "ATTRS{", sizeof("ATTRS{")-1) == 0) {
                        if (op > OP_MATCH_MAX) {
                                err(rules->udev, "invalid ATTRS operation\n");
                                goto invalid;
@@ -1291,6 +1333,26 @@ static int add_rule(struct udev_rules *rules, char *line,
                        continue;
                }
 
+               if (strncmp(key, "SYSFS{", sizeof("SYSFS{")-1) == 0) {
+                       if (!sysfs_warn) {
+                               sysfs_warn = true;
+                               err(rules->udev, "SYSFS{}= will be removed in a future udev version, "
+                                   "please use ATTR{}= to match the event device, or ATTRS{}= "
+                                   "to match a parent device, in %s:%u\n", filename, lineno);
+                       }
+                       if (op > OP_MATCH_MAX) {
+                               err(rules->udev, "invalid ATTRS operation\n");
+                               goto invalid;
+                       }
+                       attr = get_key_attribute(rules->udev, key + sizeof("ATTRS")-1);
+                       if (attr == NULL) {
+                               err(rules->udev, "error parsing ATTRS attribute\n");
+                               goto invalid;
+                       }
+                       rule_add_key(&rule_tmp, TK_M_ATTRS, op, value, attr);
+                       continue;
+               }
+
                if (strncmp(key, "ENV{", sizeof("ENV{")-1) == 0) {
                        attr = get_key_attribute(rules->udev, key + sizeof("ENV")-1);
                        if (attr == NULL) {
@@ -1307,6 +1369,14 @@ static int add_rule(struct udev_rules *rules, char *line,
                        continue;
                }
 
+               if (strcmp(key, "TAG") == 0) {
+                       if (op < OP_MATCH_MAX)
+                               rule_add_key(&rule_tmp, TK_M_TAG, op, value, NULL);
+                       else
+                               rule_add_key(&rule_tmp, TK_A_TAG, op, value, NULL);
+                       continue;
+               }
+
                if (strcmp(key, "PROGRAM") == 0) {
                        rule_add_key(&rule_tmp, TK_M_PROGRAM, op, value, NULL);
                        continue;
@@ -1329,6 +1399,9 @@ static int add_rule(struct udev_rules *rules, char *line,
                        } else if (attr != NULL && strstr(attr, "file")) {
                                dbg(rules->udev, "IMPORT will be included as file\n");
                                rule_add_key(&rule_tmp, TK_M_IMPORT_FILE, op, value, NULL);
+                       } else if (attr != NULL && strstr(attr, "db")) {
+                               dbg(rules->udev, "IMPORT will include db values\n");
+                               rule_add_key(&rule_tmp, TK_M_IMPORT_DB, op, value, NULL);
                        } else if (attr != NULL && strstr(attr, "parent")) {
                                dbg(rules->udev, "IMPORT will include the parent values\n");
                                rule_add_key(&rule_tmp, TK_M_IMPORT_PARENT, op, value, NULL);
@@ -1379,7 +1452,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                        int flag = 0;
 
                        attr = get_key_attribute(rules->udev, key + sizeof("RUN")-1);
-                       if (attr != NULL && strstr(attr, "record_failed"))
+                       if (attr != NULL && strstr(attr, "fail_event_on_error"))
                                flag = 1;
                        rule_add_key(&rule_tmp, TK_A_RUN, op, value, &flag);
                        continue;
@@ -1404,33 +1477,34 @@ static int add_rule(struct udev_rules *rules, char *line,
                        if (op < OP_MATCH_MAX) {
                                rule_add_key(&rule_tmp, TK_M_NAME, op, value, NULL);
                        } else {
-                               if (value[0] == '\0')
-                                       info(rules->udev, "name empty, node creation suppressed\n");
-                               rule_add_key(&rule_tmp, TK_A_NAME, op, value, NULL);
-                               attr = get_key_attribute(rules->udev, key + sizeof("NAME")-1);
-                               if (attr != NULL) {
-                                       if (strstr(attr, "all_partitions") != NULL) {
-                                               int num = DEFAULT_FAKE_PARTITIONS_COUNT;
-
-                                               dbg(rules->udev, "creation of partition nodes requested\n");
-                                               rule_add_key(&rule_tmp, TK_A_NUM_FAKE_PART, 0, NULL, &num);
-                                       }
-                                       if (strstr(attr, "ignore_remove") != NULL) {
-                                               dbg(rules->udev, "remove event should be ignored\n");
-                                               rule_add_key(&rule_tmp, TK_A_IGNORE_REMOVE, 0, NULL, NULL);
-                                       }
+                               if (strcmp(value, "%k") == 0) {
+                                       err(rules->udev, "NAME=\"%%k\" is ignored, because it breaks kernel supplied names, "
+                                           "please remove it from %s:%u\n", filename, lineno);
+                                       continue;
+                               }
+                               if (value[0] == '\0') {
+                                       info(rules->udev, "NAME=\"\" is ignored, because udev will not delete any device nodes, "
+                                            "please remove it from %s:%u\n", filename, lineno);
+                                       continue;
                                }
+                               rule_add_key(&rule_tmp, TK_A_NAME, op, value, NULL);
                        }
-                       rule_tmp.rule.rule.flags = 1;
+                       rule_tmp.rule.rule.can_set_name = true;
                        continue;
                }
 
-               if (strcmp(key, "SYMLINK") == 0) {
-                       if (op < OP_MATCH_MAX)
+               if (strncmp(key, "SYMLINK", sizeof("SYMLINK")-1) == 0) {
+                       if (op < OP_MATCH_MAX) {
                                rule_add_key(&rule_tmp, TK_M_DEVLINK, op, value, NULL);
-                       else
-                               rule_add_key(&rule_tmp, TK_A_DEVLINK, op, value, NULL);
-                       rule_tmp.rule.rule.flags = 1;
+                       } else {
+                               int flag = 0;
+
+                               attr = get_key_attribute(rules->udev, key + sizeof("SYMLINK")-1);
+                               if (attr != NULL && strstr(attr, "unique") != NULL)
+                                       flag = 1;
+                               rule_add_key(&rule_tmp, TK_A_DEVLINK, op, value, &flag);
+                       }
+                       rule_tmp.rule.rule.can_set_name = true;
                        continue;
                }
 
@@ -1447,7 +1521,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                        } else if (rules->resolve_names >= 0) {
                                rule_add_key(&rule_tmp, TK_A_OWNER, op, value, NULL);
                        }
-                       rule_tmp.rule.rule.flags = 1;
+                       rule_tmp.rule.rule.can_set_name = true;
                        continue;
                }
 
@@ -1464,7 +1538,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                        } else if (rules->resolve_names >= 0) {
                                rule_add_key(&rule_tmp, TK_A_GROUP, op, value, NULL);
                        }
-                       rule_tmp.rule.rule.flags = 1;
+                       rule_tmp.rule.rule.can_set_name = true;
                        continue;
                }
 
@@ -1477,25 +1551,13 @@ static int add_rule(struct udev_rules *rules, char *line,
                                rule_add_key(&rule_tmp, TK_A_MODE_ID, op, NULL, &mode);
                        else
                                rule_add_key(&rule_tmp, TK_A_MODE, op, value, NULL);
-                       rule_tmp.rule.rule.flags = 1;
+                       rule_tmp.rule.rule.can_set_name = true;
                        continue;
                }
 
                if (strcmp(key, "OPTIONS") == 0) {
                        const char *pos;
 
-                       if (strstr(value, "last_rule") != NULL) {
-                               dbg(rules->udev, "last rule to be applied\n");
-                               rule_add_key(&rule_tmp, TK_A_LAST_RULE, 0, NULL, NULL);
-                       }
-                       if (strstr(value, "ignore_device") != NULL) {
-                               dbg(rules->udev, "device should be ignored\n");
-                               rule_add_key(&rule_tmp, TK_A_IGNORE_DEVICE, 0, NULL, NULL);
-                       }
-                       if (strstr(value, "ignore_remove") != NULL) {
-                               dbg(rules->udev, "remove event should be ignored\n");
-                               rule_add_key(&rule_tmp, TK_A_IGNORE_REMOVE, 0, NULL, NULL);
-                       }
                        pos = strstr(value, "link_priority=");
                        if (pos != NULL) {
                                int prio = atoi(&pos[strlen("link_priority=")]);
@@ -1508,7 +1570,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                                int tout = atoi(&pos[strlen("event_timeout=")]);
 
                                rule_add_key(&rule_tmp, TK_A_EVENT_TIMEOUT, 0, NULL, &tout);
-                               dbg(rules->udev, "event timout=%i\n", tout);
+                               dbg(rules->udev, "event timeout=%i\n", tout);
                        }
                        pos = strstr(value, "string_escape=");
                        if (pos != NULL) {
@@ -1518,12 +1580,6 @@ static int add_rule(struct udev_rules *rules, char *line,
                                else if (strncmp(pos, "replace", strlen("replace")) == 0)
                                        rule_add_key(&rule_tmp, TK_A_STRING_ESCAPE_REPLACE, 0, NULL, NULL);
                        }
-                       if (strstr(value, "all_partitions") != NULL) {
-                               int num = DEFAULT_FAKE_PARTITIONS_COUNT;
-
-                               rule_add_key(&rule_tmp, TK_A_NUM_FAKE_PART, 0, NULL, &num);
-                               dbg(rules->udev, "creation of partition nodes requested\n");
-                       }
                        pos = strstr(value, "nowatch");
                        if (pos != NULL) {
                                const int off = 0;
@@ -1539,6 +1595,11 @@ static int add_rule(struct udev_rules *rules, char *line,
                                        dbg(rules->udev, "inotify watch of device requested\n");
                                }
                        }
+                       pos = strstr(value, "static_node=");
+                       if (pos != NULL) {
+                               rule_add_key(&rule_tmp, TK_A_STATIC_NODE, 0, &pos[strlen("static_node=")], NULL);
+                               rule_tmp.rule.rule.has_static_node = true;
+                       }
                        continue;
                }
                err(rules->udev, "unknown key '%s' in %s:%u\n", key, filename, lineno);
@@ -1575,7 +1636,7 @@ static int parse_file(struct udev_rules *rules, const char *filename, unsigned s
 
        first_token = rules->token_cur;
 
-       while(fgets(line, sizeof(line), f) != NULL) {
+       while (fgets(line, sizeof(line), f) != NULL) {
                char *key;
                size_t len;
 
@@ -1597,6 +1658,8 @@ static int parse_file(struct udev_rules *rules, const char *filename, unsigned s
                while (line[len-2] == '\\') {
                        if (fgets(&line[len-2], (sizeof(line)-len)+2, f) == NULL)
                                break;
+                       if (strlen(&line[len-2]) < 2)
+                               break;
                        line_nr++;
                        len = strlen(line);
                }
@@ -1644,7 +1707,7 @@ static int add_matching_files(struct udev *udev, struct udev_list_node *file_lis
                return -1;
        }
 
-       while (1) {
+       for (;;) {
                struct dirent *dent;
 
                dent = readdir(dir);
@@ -1726,12 +1789,6 @@ struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names)
 
                /* read dynamic/temporary rules */
                util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev), "/.udev/rules.d", NULL);
-               if (stat(filename, &statbuf) != 0) {
-                       util_create_path(udev, filename);
-                       udev_selinux_setfscreatecon(udev, filename, S_IFDIR|0755);
-                       mkdir(filename, 0755);
-                       udev_selinux_resetfscreatecon(udev);
-               }
                udev_list_init(&sort_list);
                add_matching_files(udev, &sort_list, filename, ".rules");
 
@@ -1784,18 +1841,18 @@ struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names)
                filename_off = add_string(rules, filename);
                /* the offset in the rule is limited to unsigned short */
                if (filename_off < USHRT_MAX)
-                       udev_list_entry_set_flag(file_loop, filename_off);
+                       udev_list_entry_set_flags(file_loop, filename_off);
        }
 
        /* parse list of files */
        udev_list_entry_foreach_safe(file_loop, file_tmp, udev_list_get_entry(&file_list)) {
                const char *filename = udev_list_entry_get_name(file_loop);
-               unsigned int filename_off = udev_list_entry_get_flag(file_loop);
+               unsigned int filename_off = udev_list_entry_get_flags(file_loop);
 
                if (stat(filename, &statbuf) == 0 && statbuf.st_size > 0)
                        parse_file(rules, filename, filename_off);
                else
-                       info(udev, "can not read '%s'\n", filename);
+                       err(udev, "can not read '%s'\n", filename);
                udev_list_entry_delete(file_loop);
        }
 
@@ -1864,7 +1921,7 @@ static int match_key(struct udev_rules *rules, struct token *token, const char *
 {
        char *key_value = &rules->buf[token->key.value_off];
        char *pos;
-       int match = 0;
+       bool match = false;
 
        if (val == NULL)
                val = "";
@@ -1883,7 +1940,7 @@ static int match_key(struct udev_rules *rules, struct token *token, const char *
 
                        split = &rules->buf[token->key.value_off];
                        len = strlen(val);
-                       while (1) {
+                       for (;;) {
                                const char *next;
 
                                next = strchr(split, '|');
@@ -2001,27 +2058,26 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
        struct token *cur;
        struct token *rule;
        enum escape_type esc = ESCAPE_UNSET;
-       int can_set_name;
+       bool can_set_name;
 
        if (rules->tokens == NULL)
                return -1;
 
-       can_set_name = ((strcmp(udev_device_get_action(event->dev), "add") == 0 ||
-                        strcmp(udev_device_get_action(event->dev), "change") == 0) &&
+       can_set_name = ((strcmp(udev_device_get_action(event->dev), "remove") != 0) &&
                        (major(udev_device_get_devnum(event->dev)) > 0 ||
                         strcmp(udev_device_get_subsystem(event->dev), "net") == 0));
 
        /* loop through token list, match, run actions or forward to next rule */
        cur = &rules->tokens[0];
        rule = cur;
-       while (1) {
+       for (;;) {
                dump_token(rules, cur);
                switch (cur->type) {
                case TK_RULE:
                        /* current rule */
                        rule = cur;
                        /* possibly skip rules which want to set NAME, SYMLINK, OWNER, GROUP, MODE */
-                       if (!can_set_name && rule->rule.flags)
+                       if (!can_set_name && rule->rule.can_set_name)
                                goto nomatch;
                        esc = ESCAPE_UNSET;
                        break;
@@ -2041,14 +2097,14 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                        {
                                size_t devlen = strlen(udev_get_dev_path(event->udev))+1;
                                struct udev_list_entry *list_entry;
-                               int match = 0;
+                               bool match = false;
 
                                udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(event->dev)) {
                                        const char *devlink;
 
                                        devlink =  &udev_list_entry_get_name(list_entry)[devlen];
                                        if (match_key(rules, cur, devlink) == 0) {
-                                               match = 1;
+                                               match = true;
                                                break;
                                        }
                                }
@@ -2074,6 +2130,21 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                        goto nomatch;
                                break;
                        }
+               case TK_M_TAG:
+                       {
+                               struct udev_list_entry *list_entry;
+                               bool match = false;
+
+                               udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(event->dev)) {
+                                       if (strcmp(&rules->buf[cur->key.value_off], udev_list_entry_get_name(list_entry)) == 0) {
+                                               match = true;
+                                               break;
+                                       }
+                               }
+                               if (!match && (cur->key.op != OP_NOMATCH))
+                                       goto nomatch;
+                               break;
+                       }
                case TK_M_SUBSYSTEM:
                        if (match_key(rules, cur, udev_device_get_subsystem(event->dev)) != 0)
                                goto nomatch;
@@ -2111,7 +2182,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
 
                                /* loop over parents */
                                event->dev_parent = event->dev;
-                               while (1) {
+                               for (;;) {
                                        struct token *key;
 
                                        dbg(event->udev, "parent: '%s'\n", udev_device_get_syspath(event->dev_parent));
@@ -2198,7 +2269,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                     program,
                                     &rules->buf[rule->rule.filename_off],
                                     rule->rule.filename_line);
-                               if (util_run_program(event->udev, program, envp, result, sizeof(result), NULL) != 0) {
+                               if (util_run_program(event->udev, program, envp, result, sizeof(result), NULL, NULL, false) != 0) {
                                        if (cur->key.op != OP_NOMATCH)
                                                goto nomatch;
                                } else {
@@ -2241,6 +2312,23 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                                goto nomatch;
                                break;
                        }
+               case TK_M_IMPORT_DB:
+                       {
+                               const char *key = &rules->buf[cur->key.value_off];
+                               const char *value;
+
+                               value = udev_device_get_property_value(event->dev_db, key);
+                               if (value != NULL) {
+                                       struct udev_list_entry *entry;
+
+                                       entry = udev_device_add_property(event->dev, key, value);
+                                       udev_list_entry_set_flags(entry, 1);
+                               } else {
+                                       if (cur->key.op != OP_NOMATCH)
+                                               goto nomatch;
+                               }
+                               break;
+                       }
                case TK_M_IMPORT_PARENT:
                        {
                                char import[UTIL_PATH_SIZE];
@@ -2255,24 +2343,12 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                        if (match_key(rules, cur, event->program_result) != 0)
                                goto nomatch;
                        break;
-
-               case TK_A_IGNORE_DEVICE:
-                       event->ignore_device = 1;
-                       return 0;
-                       break;
                case TK_A_STRING_ESCAPE_NONE:
                        esc = ESCAPE_NONE;
                        break;
                case TK_A_STRING_ESCAPE_REPLACE:
                        esc = ESCAPE_REPLACE;
                        break;
-               case TK_A_NUM_FAKE_PART:
-                       if (strcmp(udev_device_get_subsystem(event->dev), "block") != 0)
-                               break;
-                       if (udev_device_get_sysnum(event->dev) != NULL)
-                               break;
-                       udev_device_set_num_fake_partitions(event->dev, cur->key.num_fake_part);
-                       break;
                case TK_A_INOTIFY_WATCH:
                        event->inotify_watch = cur->key.watch;
                        break;
@@ -2286,7 +2362,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                if (event->owner_final)
                                        break;
                                if (cur->key.op == OP_ASSIGN_FINAL)
-                                       event->owner_final = 1;
+                                       event->owner_final = true;
                                udev_event_apply_format(event, &rules->buf[cur->key.value_off], owner, sizeof(owner));
                                event->uid = util_lookup_user(event->udev, owner);
                                info(event->udev, "OWNER %u %s:%u\n",
@@ -2302,7 +2378,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                if (event->group_final)
                                        break;
                                if (cur->key.op == OP_ASSIGN_FINAL)
-                                       event->group_final = 1;
+                                       event->group_final = true;
                                udev_event_apply_format(event, &rules->buf[cur->key.value_off], group, sizeof(group));
                                event->gid = util_lookup_group(event->udev, group);
                                info(event->udev, "GROUP %u %s:%u\n",
@@ -2319,12 +2395,12 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                if (event->mode_final)
                                        break;
                                if (cur->key.op == OP_ASSIGN_FINAL)
-                                       event->mode_final = 1;
+                                       event->mode_final = true;
                                udev_event_apply_format(event, &rules->buf[cur->key.value_off], mode, sizeof(mode));
                                event->mode = strtol(mode, &endptr, 8);
                                if (endptr[0] != '\0') {
-                                       err(event->udev, "invalide mode '%s' set default mode 0660\n", mode);
-                                       event->mode = 0660;
+                                       err(event->udev, "invalide mode '%s' set default mode 0600\n", mode);
+                                       event->mode = 0600;
                                }
                                info(event->udev, "MODE %#o %s:%u\n",
                                     event->mode,
@@ -2336,7 +2412,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                        if (event->owner_final)
                                break;
                        if (cur->key.op == OP_ASSIGN_FINAL)
-                               event->owner_final = 1;
+                               event->owner_final = true;
                        event->uid = cur->key.uid;
                        info(event->udev, "OWNER %u %s:%u\n",
                             event->uid,
@@ -2347,7 +2423,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                        if (event->group_final)
                                break;
                        if (cur->key.op == OP_ASSIGN_FINAL)
-                               event->group_final = 1;
+                               event->group_final = true;
                        event->gid = cur->key.gid;
                        info(event->udev, "GROUP %u %s:%u\n",
                             event->gid,
@@ -2358,13 +2434,15 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                        if (event->mode_final)
                                break;
                        if (cur->key.op == OP_ASSIGN_FINAL)
-                               event->mode_final = 1;
+                               event->mode_final = true;
                        event->mode = cur->key.mode;
                        info(event->udev, "MODE %#o %s:%u\n",
                             event->mode,
                             &rules->buf[rule->rule.filename_off],
                             rule->rule.filename_line);
                        break;
+               case TK_A_STATIC_NODE:
+                       break;
                case TK_A_ENV:
                        {
                                const char *name = &rules->buf[cur->key.attr_off];
@@ -2378,12 +2456,17 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                        entry = udev_device_add_property(event->dev, name, temp_value);
                                        /* store in db, skip private keys */
                                        if (name[0] != '.')
-                                               udev_list_entry_set_flag(entry, 1);
+                                               udev_list_entry_set_flags(entry, 1);
                                } else {
                                        udev_device_add_property(event->dev, name, NULL);
                                }
                                break;
                        }
+               case TK_A_TAG:
+                       if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL)
+                               udev_device_cleanup_tags_list(event->dev);
+                       udev_device_add_tag(event->dev, &rules->buf[cur->key.value_off]);
+                       break;
                case TK_A_NAME:
                        {
                                const char *name  = &rules->buf[cur->key.value_off];
@@ -2393,7 +2476,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                if (event->name_final)
                                        break;
                                if (cur->key.op == OP_ASSIGN_FINAL)
-                                       event->name_final = 1;
+                                       event->name_final = true;
                                udev_event_apply_format(event, name, name_str, sizeof(name_str));
                                if (esc == ESCAPE_UNSET || esc == ESCAPE_REPLACE) {
                                        count = udev_util_replace_chars(name_str, "/");
@@ -2420,7 +2503,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                if (major(udev_device_get_devnum(event->dev)) == 0)
                                        break;
                                if (cur->key.op == OP_ASSIGN_FINAL)
-                                       event->devlink_final = 1;
+                                       event->devlink_final = true;
                                if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL)
                                        udev_device_cleanup_devlinks_list(event->dev);
 
@@ -2437,35 +2520,28 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                while (isspace(pos[0]))
                                        pos++;
                                next = strchr(pos, ' ');
-                               while (next) {
+                               while (next != NULL) {
                                        next[0] = '\0';
-                                       info(event->udev, "LINK '%s' %s:%u\n",
-                                            pos,
-                                            &rules->buf[rule->rule.filename_off],
-                                            rule->rule.filename_line);
+                                       info(event->udev, "LINK '%s' %s:%u\n", pos,
+                                            &rules->buf[rule->rule.filename_off], rule->rule.filename_line);
                                        util_strscpyl(filename, sizeof(filename), udev_get_dev_path(event->udev), "/", pos, NULL);
-                                       udev_device_add_devlink(event->dev, filename);
+                                       udev_device_add_devlink(event->dev, filename, cur->key.devlink_unique);
                                        while (isspace(next[1]))
                                                next++;
                                        pos = &next[1];
                                        next = strchr(pos, ' ');
                                }
                                if (pos[0] != '\0') {
-                                       info(event->udev, "LINK '%s' %s:%u\n",
-                                            pos,
-                                            &rules->buf[rule->rule.filename_off],
-                                            rule->rule.filename_line);
+                                       info(event->udev, "LINK '%s' %s:%u\n", pos,
+                                            &rules->buf[rule->rule.filename_off], rule->rule.filename_line);
                                        util_strscpyl(filename, sizeof(filename), udev_get_dev_path(event->udev), "/", pos, NULL);
-                                       udev_device_add_devlink(event->dev, filename);
+                                       udev_device_add_devlink(event->dev, filename, cur->key.devlink_unique);
                                }
                        }
                        break;
                case TK_A_EVENT_TIMEOUT:
                        udev_device_set_event_timeout(event->dev, cur->key.event_timeout);
                        break;
-               case TK_A_IGNORE_REMOVE:
-                       udev_device_set_ignore_remove(event->dev, 1);
-                       break;
                case TK_A_ATTR:
                        {
                                const char *key_name = &rules->buf[cur->key.attr_off];
@@ -2503,8 +2579,8 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                     rule->rule.filename_line);
                                list_entry = udev_list_entry_add(event->udev, &event->run_list,
                                                                 &rules->buf[cur->key.value_off], NULL, 1, 0);
-                               if (cur->key.ignore_error)
-                                       udev_list_entry_set_flag(list_entry, 1);
+                               if (cur->key.fail_on_error)
+                                       udev_list_entry_set_flags(list_entry, 1);
                                break;
                        }
                case TK_A_GOTO:
@@ -2512,7 +2588,6 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                break;
                        cur = &rules->tokens[cur->key.rule_goto];
                        continue;
-               case TK_A_LAST_RULE:
                case TK_END:
                        return 0;
 
@@ -2533,3 +2608,75 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                                 (unsigned int) (cur - rules->tokens));
        }
 }
+
+void udev_rules_apply_static_dev_perms(struct udev_rules *rules)
+{
+       struct token *cur;
+       struct token *rule;
+       uid_t uid = 0;
+       gid_t gid = 0;
+       mode_t mode = 0;
+
+       if (rules->tokens == NULL)
+               return;
+
+       cur = &rules->tokens[0];
+       rule = cur;
+       for (;;) {
+               switch (cur->type) {
+               case TK_RULE:
+                       /* current rule */
+                       rule = cur;
+
+                       /* skip rules without a static_node tag */
+                       if (!rule->rule.has_static_node)
+                               goto next;
+
+                       uid = 0;
+                       gid = 0;
+                       mode = 0;
+                       break;
+               case TK_A_OWNER_ID:
+                       uid = cur->key.uid;
+                       break;
+               case TK_A_GROUP_ID:
+                       gid = cur->key.gid;
+                       break;
+               case TK_A_MODE_ID:
+                       mode = cur->key.mode;
+                       break;
+               case TK_A_STATIC_NODE: {
+                       char filename[UTIL_PATH_SIZE];
+                       struct stat stats;
+                       /* we assure, that the permissions tokens are sorted before the static token */
+                       if (mode == 0 && uid == 0 && gid == 0)
+                               goto next;
+                       util_strscpyl(filename, sizeof(filename), udev_get_dev_path(rules->udev), "/",
+                                     &rules->buf[cur->key.value_off], NULL);
+                       if (stat(filename, &stats) != 0)
+                               goto next;
+                       if (!S_ISBLK(stats.st_mode) && !S_ISCHR(stats.st_mode))
+                               goto next;
+                       if (mode != 0 && mode != (stats.st_mode & 0777)) {
+                               chmod(filename, mode);
+                               info(rules->udev, "chmod '%s' %#o\n", filename, mode);
+                       }
+                       if ((uid != 0 && uid != stats.st_uid) || (gid != 0 && gid != stats.st_gid)) {
+                               chown(filename, uid, gid);
+                               info(rules->udev, "chown '%s' %u %u\n", filename, uid, gid);
+                       }
+                       utimensat(AT_FDCWD, filename, NULL, 0);
+                       break;
+               }
+               case TK_END:
+                       return;
+               }
+
+               cur++;
+               continue;
+next:
+               /* fast-forward to next rule */
+               cur = rule + rule->rule.token_count;
+               continue;
+       }
+}