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-rw-r--r--udev/udev-rules.c8
-rw-r--r--udev/udevd.c19
-rw-r--r--udev/udevd.xml11
3 files changed, 31 insertions, 7 deletions
diff --git a/udev/udev-rules.c b/udev/udev-rules.c
index 2d120dd927..ccf1eaaf8f 100644
--- a/udev/udev-rules.c
+++ b/udev/udev-rules.c
@@ -1454,10 +1454,10 @@ static int add_rule(struct udev_rules *rules, char *line,
uid = strtoul(value, &endptr, 10);
if (endptr[0] == '\0') {
rule_add_key(&rule_tmp, TK_A_OWNER_ID, op, NULL, &uid);
- } else if (rules->resolve_names && strchr("$%", value[0]) == NULL) {
+ } else if ((rules->resolve_names > 0) && strchr("$%", value[0]) == NULL) {
uid = add_uid(rules, value);
rule_add_key(&rule_tmp, TK_A_OWNER_ID, op, NULL, &uid);
- } else {
+ } else if (rules->resolve_names == 0) {
rule_add_key(&rule_tmp, TK_A_OWNER, op, value, NULL);
}
rule_tmp.rule.rule.flags = 1;
@@ -1472,10 +1472,10 @@ static int add_rule(struct udev_rules *rules, char *line,
gid = strtoul(value, &endptr, 10);
if (endptr[0] == '\0') {
rule_add_key(&rule_tmp, TK_A_GROUP_ID, op, NULL, &gid);
- } else if (rules->resolve_names && strchr("$%", value[0]) == NULL) {
+ } else if ((rules->resolve_names > 0) && strchr("$%", value[0]) == NULL) {
gid = add_gid(rules, value);
rule_add_key(&rule_tmp, TK_A_GROUP_ID, op, NULL, &gid);
- } else {
+ } else if (rules->resolve_names == 0) {
rule_add_key(&rule_tmp, TK_A_GROUP, op, value, NULL);
}
rule_tmp.rule.rule.flags = 1;
diff --git a/udev/udevd.c b/udev/udevd.c
index 9a278ce1f3..13a10240d7 100644
--- a/udev/udevd.c
+++ b/udev/udevd.c
@@ -645,12 +645,14 @@ int main(int argc, char *argv[])
struct sigaction act;
const char *value;
int daemonize = 0;
+ int resolve_names = 1;
static const struct option options[] = {
{ "daemon", no_argument, NULL, 'd' },
{ "debug-trace", no_argument, NULL, 't' },
{ "debug", no_argument, NULL, 'D' },
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'V' },
+ { "resolve-names", required_argument, NULL, 'N' },
{}
};
int rc = 1;
@@ -683,8 +685,19 @@ int main(int argc, char *argv[])
if (udev_get_log_priority(udev) < LOG_INFO)
udev_set_log_priority(udev, LOG_INFO);
break;
+ case 'N':
+ if (strcmp (optarg, "early") == 0) {
+ resolve_names = 1;
+ } else if (strcmp (optarg, "never") == 0) {
+ resolve_names = -1;
+ } else {
+ fprintf(stderr, "resolve-names must be early or never\n");
+ err(udev, "resolve-names must be early or never\n");
+ goto exit;
+ }
+ break;
case 'h':
- printf("Usage: udevd [--help] [--daemon] [--debug-trace] [--debug] [--version]\n");
+ printf("Usage: udevd [--help] [--daemon] [--debug-trace] [--debug] [--resolve-names=early|never] [--version]\n");
goto exit;
case 'V':
printf("%s\n", VERSION);
@@ -736,7 +749,7 @@ int main(int argc, char *argv[])
}
udev_monitor_set_receive_buffer_size(kernel_monitor, 128*1024*1024);
- rules = udev_rules_new(udev, 1);
+ rules = udev_rules_new(udev, resolve_names);
if (rules == NULL) {
err(udev, "error reading rules\n");
goto exit;
@@ -946,7 +959,7 @@ handle_signals:
struct udev_rules *rules_new;
reload_config = 0;
- rules_new = udev_rules_new(udev, 1);
+ rules_new = udev_rules_new(udev, resolve_names);
if (rules_new != NULL) {
udev_rules_unref(rules);
rules = rules_new;
diff --git a/udev/udevd.xml b/udev/udevd.xml
index b5726b8b03..010411c781 100644
--- a/udev/udevd.xml
+++ b/udev/udevd.xml
@@ -29,6 +29,7 @@
<arg><option>--debug-trace</option></arg>
<arg><option>--debug</option></arg>
<arg><option>--version</option></arg>
+ <arg><option>--resolve-names=early|never</option></arg>
<arg><option>--help</option></arg>
</cmdsynopsis>
</refsynopsisdiv>
@@ -65,6 +66,16 @@
</listitem>
</varlistentry>
<varlistentry>
+ <term><option>--resolve-names</option></term>
+ <listitem>
+ <para>Specify when udevd should resolve names of users and groups.
+ When set to <option>early</option> (the default) names will be
+ resolved when the rules are parsed.
+ When set to <option>never</option> names will never be resolved
+ and all devices will be owned by root.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
<term><option>--version</option></term>
<listitem>
<para>Print version number.</para>