chiark / gitweb /
skip entire rule containing device naming keys, if no device can be named
authorKay Sievers <kay.sievers@vrfy.org>
Sat, 1 Nov 2008 18:12:20 +0000 (19:12 +0100)
committerKay Sievers <kay.sievers@vrfy.org>
Sat, 1 Nov 2008 18:12:20 +0000 (19:12 +0100)
If rules set NAME, SYMLINK, OWNER, GROUP, MODE, events without a device node
and remove events will skip the entire rule. The old parser did the same.

TODO
udev/udev-rules.c
udev/udevd.c

diff --git a/TODO b/TODO
index a8d3fc0..ac0618e 100644 (file)
--- a/TODO
+++ b/TODO
@@ -1,4 +1,5 @@
 
+  o drop pnp shell script, acpi will take care of loading pnp modules
   o add DVB variables to kernel (patch sent), and drop shell script rule
   o DEVTYPE for disks is set by the kernel, they will be removed from
     the default rules
index b5fe2f4..d1c02e9 100644 (file)
@@ -877,11 +877,12 @@ static void dump_token(struct udev_rules *rules, struct token *token)
                        const char *tk_ptr = (char *)token;
                        unsigned int off = tk_ptr - tks_ptr;
 
-                       dbg(rules->udev, "* RULE %s:%u, off: %u(%u), next: %u, label: '%s'\n",
+                       dbg(rules->udev, "* RULE %s:%u, off: %u(%u), next: %u, label: '%s', flags: 0x%02x\n",
                            &rules->buf[token->rule.filename_off], token->rule.filename_line,
                            off / (unsigned int) sizeof(struct token), off,
                            token->rule.next_rule,
-                           &rules->buf[token->rule.label_off]);
+                           &rules->buf[token->rule.label_off],
+                           token->rule.flags);
                        break;
                }
        case TK_M_ACTION:
@@ -1316,6 +1317,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                                        }
                                }
                        }
+                       rule_tmp.rule.rule.flags = 1;
                        continue;
                }
 
@@ -1324,6 +1326,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                                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;
                        valid = 1;
                        continue;
                }
@@ -1341,6 +1344,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                        } else {
                                rule_add_key(&rule_tmp, TK_A_OWNER, op, value, NULL);
                        }
+                       rule_tmp.rule.rule.flags = 1;
                        valid = 1;
                        continue;
                }
@@ -1358,6 +1362,7 @@ static int add_rule(struct udev_rules *rules, char *line,
                        } else {
                                rule_add_key(&rule_tmp, TK_A_GROUP, op, value, NULL);
                        }
+                       rule_tmp.rule.rule.flags = 1;
                        valid = 1;
                        continue;
                }
@@ -1371,6 +1376,7 @@ 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;
                        valid = 1;
                        continue;
                }
@@ -1856,10 +1862,16 @@ 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;
 
        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) &&
+                       (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;
@@ -1871,6 +1883,9 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                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)
+                               ;//goto nomatch;
                        esc = ESCAPE_UNSET;
                        break;
                case TK_M_ACTION:
index 9096f95..405a1ed 100644 (file)
@@ -430,7 +430,6 @@ static void event_queue_manager(struct udev *udev)
                        continue;
                }
 
-               /* do dendencies, start event */
                event_fork(loop_event);
                dbg(udev, "moved seq %llu to running list\n", udev_device_get_seqnum(loop_event->dev));
        }