udevd had the ability to delay name resolution until the event, but this
was never exposed. Add a --resolve-names=late option to do so.
---
NEWS | 3 ++-
udev/udevd.c | 8 +++++---
udev/udevd.xml | 5 +++--
3 files changed, 10 insertions(+), 6 deletions(-)
diff --git a/NEWS b/NEWS
index 52bfa6a..972b9b0 100644
--- a/NEWS
+++ b/NEWS
@@ -6,7 +6,8 @@ The udevadm test command has no longer a --force option, nodes and symlinks
are always updated with a test run now.
The udevd daemon can be started with --resolve-names=never to avoid all user
-and group lookups (e.g. in cut-down systems).
+and group lookups (e.g. in cut-down systems) or --resolve-names=late to
+lookup user and groups every time events are handled.
udev 136
========
diff --git a/udev/udevd.c b/udev/udevd.c
index 9a8d791..4d6f465 100644
--- a/udev/udevd.c
+++ b/udev/udevd.c
@@ -683,16 +683,18 @@ int main(int argc, char *argv[])
case 'N':
if (strcmp (optarg, "early") == 0) {
resolve_names = 1;
+ } else if (strcmp (optarg, "late") == 0) {
+ resolve_names = 0;
} 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");
+ fprintf(stderr, "resolve-names must be early, late or never\n");
+ err(udev, "resolve-names must be early, late or never\n");
goto exit;
}
break;
case 'h':
- printf("Usage: udevd [--help] [--daemon] [--debug-trace] [--debug] [--resolve-names=early|never] [--version]\n");
+ printf("Usage: udevd [--help] [--daemon] [--debug-trace] [--debug] [--resolve-names=early|late|never] [--version]\n");
goto exit;
case 'V':
printf("%s\n", VERSION);
diff --git a/udev/udevd.xml b/udev/udevd.xml
index 010411c..0df6f4b 100644
--- a/udev/udevd.xml
+++ b/udev/udevd.xml
@@ -29,7 +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>--resolve-names=early|late|never</option></arg>
<arg><option>--help</option></arg>
</cmdsynopsis>
</refsynopsisdiv>
@@ -70,7 +70,8 @@
<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.
+ resolved when the rules are parsed. When set to
+ <option>late</option> names will be resolved for every event.
When set to <option>never</option> names will never be resolved
and all devices will be owned by root.</para>
</listitem>
--
1.6.0.5
--
Scott James Remnant
scott@xxxxxxxxxx
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