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--- evms-2.5.5.orig/engine/discover.c
+++ evms-2.5.5/engine/discover.c
@@ -28,6 +28,8 @@
#include <unistd.h>
#include <sys/stat.h>
#include <sys/time.h>
+#include <sys/types.h>
+#include <grp.h>
#include "fullengine.h"
#include "discover.h"
@@ -162,9 +164,23 @@
int rc = 0;
dev_t devt = makedev(major, minor);
char dir_name[EVMS_OBJECT_NODE_PATH_LEN + EVMS_NAME_SIZE + 1];
+ struct group *disk;
LOG_PROC_ENTRY();
+ /*
+ * Debian-specific: We want all devices to be owned by the
+ * group disk, not root.
+ */
+ disk = getgrnam("disk");
+ if (disk) {
+ if (setegid(disk->gr_gid) != 0) {
+ LOG_WARNING("could not setegid to group disk (%s), continuing as group root\n", strerror(errno));
+ }
+ } else {
+ LOG_WARNING("could not find group disk (%s), continuing as group root\n", strerror(errno));
+ }
+
/* Make sure major:minor is valid. */
if (major != 0) {
switch (hasa_dev_node(name, major, minor)) {
@@ -227,6 +243,12 @@
LOG_DEBUG("Device node %s is for major %d, minor %d.\n", name, major, minor);
}
+ if (disk) {
+ if (setegid(getgid()) != 0) {
+ LOG_WARNING("could not setegid back to old group (%s)\n", strerror(errno));
+ }
+ }
+
LOG_PROC_EXIT_INT(rc);
return rc;
}
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