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authorKay Sievers <kay.sievers@suse.de>2006-09-05 00:50:25 +0200
committerKay Sievers <kay.sievers@suse.de>2006-09-05 00:50:25 +0200
commitac528431dd60c6b7f6b664ba430b937a11a32230 (patch)
tree1167bd54cd52e214858b5694d7d4244f3deef1d3
parent64e0ce85de834bfd442228c18fe602d1d988064b (diff)
fix ENV{TEST}="Test: $env{TEST}"
-rwxr-xr-xtest/udev-test.pl13
-rw-r--r--udev_rules.c10
2 files changed, 21 insertions, 2 deletions
diff --git a/test/udev-test.pl b/test/udev-test.pl
index 1117ecb40c..464098fa65 100755
--- a/test/udev-test.pl
+++ b/test/udev-test.pl
@@ -1248,6 +1248,19 @@ SUBSYSTEMS=="scsi", KERNEL=="sda1", NAME="bad"
EOF
},
{
+ desc => "ENV{} test (assign 2 times)",
+ subsys => "block",
+ devpath => "/block/sda/sda1",
+ exp_name => "true",
+ rules => <<EOF
+SUBSYSTEMS=="scsi", KERNEL=="sda1", ENV{ASSIGN}="true"
+SUBSYSTEMS=="scsi", KERNEL=="sda1", ENV{ASSIGN}="absolutely-\$env{ASSIGN}"
+SUBSYSTEMS=="scsi", KERNEL=="sda1", ENV{ASSIGN}=="yes", NAME="no"
+SUBSYSTEMS=="scsi", KERNEL=="sda1", ENV{ASSIGN}=="absolutely-true", NAME="true"
+SUBSYSTEMS=="scsi", KERNEL=="sda1", NAME="bad"
+EOF
+ },
+ {
desc => "ENV{} test (assign2)",
subsys => "block",
devpath => "/block/sda/sda1",
diff --git a/udev_rules.c b/udev_rules.c
index 8a2066d709..1483f8f493 100644
--- a/udev_rules.c
+++ b/udev_rules.c
@@ -802,13 +802,19 @@ try_parent:
struct key_pair *pair = &rule->env.keys[i];
if (pair->key.operation == KEY_OP_ASSIGN) {
+ char temp_value[NAME_SIZE];
const char *key_name = key_pair_name(rule, pair);
const char *value = key_val(rule, &pair->key);
- char *key_value = name_list_key_add(&udev->env_list, key_name, value);
+ char *key_value;
+
+ /* make sure we don't write to the same string we possibly read from */
+ strlcpy(temp_value, value, sizeof(temp_value));
+ udev_rules_apply_format(udev, temp_value, NAME_SIZE);
+
+ key_value = name_list_key_add(&udev->env_list, key_name, temp_value);
if (key_value == NULL)
break;
- udev_rules_apply_format(udev, key_value, NAME_SIZE);
putenv(key_value);
dbg("export ENV '%s'", key_value);
}