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-rw-r--r--src/libsystemd/sd-device/sd-device.c37
-rw-r--r--src/shared/spawn-polkit-agent.c4
-rw-r--r--src/test/test-udev.c10
-rwxr-xr-xtest/udev-test.pl9
4 files changed, 42 insertions, 18 deletions
diff --git a/src/libsystemd/sd-device/sd-device.c b/src/libsystemd/sd-device/sd-device.c
index 8657e61cd9..e9f8970d2c 100644
--- a/src/libsystemd/sd-device/sd-device.c
+++ b/src/libsystemd/sd-device/sd-device.c
@@ -1457,15 +1457,20 @@ static int device_properties_prepare(sd_device *device) {
return r;
if (device->property_devlinks_outdated) {
- char *devlinks = NULL;
+ _cleanup_free_ char *devlinks = NULL;
+ size_t devlinks_allocated = 0, devlinks_len = 0;
const char *devlink;
- devlink = sd_device_get_devlink_first(device);
- if (devlink)
- devlinks = strdupa(devlink);
+ for (devlink = sd_device_get_devlink_first(device); devlink; devlink = sd_device_get_devlink_next(device)) {
+ char *e;
- while ((devlink = sd_device_get_devlink_next(device)))
- devlinks = strjoina(devlinks, " ", devlink);
+ if (!GREEDY_REALLOC(devlinks, devlinks_allocated, devlinks_len + strlen(devlink) + 2))
+ return -ENOMEM;
+ if (devlinks_len > 0)
+ stpcpy(devlinks + devlinks_len++, " ");
+ e = stpcpy(devlinks + devlinks_len, devlink);
+ devlinks_len = e - devlinks;
+ }
r = device_add_property_internal(device, "DEVLINKS", devlinks);
if (r < 0)
@@ -1475,17 +1480,23 @@ static int device_properties_prepare(sd_device *device) {
}
if (device->property_tags_outdated) {
- char *tags = NULL;
+ _cleanup_free_ char *tags = NULL;
+ size_t tags_allocated = 0, tags_len = 0;
const char *tag;
- tag = sd_device_get_tag_first(device);
- if (tag)
- tags = strjoina(":", tag);
+ if (!GREEDY_REALLOC(tags, tags_allocated, 2))
+ return -ENOMEM;
+ stpcpy(tags, ":");
+ tags_len++;
- while ((tag = sd_device_get_tag_next(device)))
- tags = strjoina(tags, ":", tag);
+ for (tag = sd_device_get_tag_first(device); tag; tag = sd_device_get_tag_next(device)) {
+ char *e;
- tags = strjoina(tags, ":");
+ if (!GREEDY_REALLOC(tags, tags_allocated, tags_len + strlen(tag) + 1))
+ return -ENOMEM;
+ e = stpcpy(stpcpy(tags + tags_len, tag), ":");
+ tags_len = e - tags;
+ }
r = device_add_property_internal(device, "TAGS", tags);
if (r < 0)
diff --git a/src/shared/spawn-polkit-agent.c b/src/shared/spawn-polkit-agent.c
index cf3c8ad5a3..7dae4d14fe 100644
--- a/src/shared/spawn-polkit-agent.c
+++ b/src/shared/spawn-polkit-agent.c
@@ -44,6 +44,10 @@ int polkit_agent_open(void) {
if (agent_pid > 0)
return 0;
+ /* Clients that run as root don't need to activate/query polkit */
+ if (geteuid() == 0)
+ return 0;
+
/* We check STDIN here, not STDOUT, since this is about input,
* not output */
if (!isatty(STDIN_FILENO))
diff --git a/src/test/test-udev.c b/src/test/test-udev.c
index d01789fe08..64ef08652c 100644
--- a/src/test/test-udev.c
+++ b/src/test/test-udev.c
@@ -40,11 +40,11 @@ static int fake_filesystems(void) {
const char *target;
const char *error;
} fakefss[] = {
- { "test/sys", "/sys", "failed to mount test /sys" },
- { "test/dev", "/dev", "failed to mount test /dev" },
- { "test/run", "/run", "failed to mount test /run" },
- { "test/run", "/etc/udev/rules.d", "failed to mount empty /etc/udev/rules.d" },
- { "test/run", UDEVLIBEXECDIR "/rules.d","failed to mount empty " UDEVLIBEXECDIR "/rules.d" },
+ { "test/tmpfs/sys", "/sys", "failed to mount test /sys" },
+ { "test/dev", "/dev", "failed to mount test /dev" },
+ { "test/run", "/run", "failed to mount test /run" },
+ { "test/run", "/etc/udev/rules.d", "failed to mount empty /etc/udev/rules.d" },
+ { "test/run", UDEVLIBEXECDIR "/rules.d","failed to mount empty " UDEVLIBEXECDIR "/rules.d" },
};
unsigned int i;
int err;
diff --git a/test/udev-test.pl b/test/udev-test.pl
index b047493f6b..3c8a480d0f 100755
--- a/test/udev-test.pl
+++ b/test/udev-test.pl
@@ -29,6 +29,7 @@ my $udev_bin_gdb = "gdb --args $udev_bin";
my $udev_bin_strace = "strace -efile $udev_bin";
my $udev_dev = "test/dev";
my $udev_run = "test/run";
+my $udev_tmpfs = "test/tmpfs";
my $udev_rules_dir = "$udev_run/udev/rules.d";
my $udev_rules = "$udev_rules_dir/udev-test.rules";
my $EXIT_TEST_SKIP = 77;
@@ -1412,6 +1413,12 @@ sub udev_setup {
chown (0, 0, $udev_dev) || die "unable to chown $udev_dev\n";
chmod (0755, $udev_dev) || die "unable to chmod $udev_dev\n";
+ system("umount", "$udev_tmpfs");
+ system("rm", "-rf", "$udev_tmpfs");
+ mkdir($udev_tmpfs) || die "unable to create udev_tmpfs: $udev_tmpfs\n";
+ system("mount", "-o", "rw,mode=755,nosuid,noexec,nodev", "-t", "tmpfs", "tmpfs", "$udev_tmpfs") && die "unable to mount tmpfs";
+ system("cp", "-r", "test/sys/", "$udev_tmpfs") && die "unable to copy test/sys";
+
system("rm", "-rf", "$udev_run");
}
@@ -1545,6 +1552,8 @@ print "$error errors occurred\n\n";
# cleanup
system("rm", "-rf", "$udev_dev");
system("rm", "-rf", "$udev_run");
+system("umount", "$udev_tmpfs");
+system("rm", "-rf", "$udev_tmpfs");
if ($error > 0) {
exit(1);