LU-3335 scrub: control OI scrub on OST from user space

[fs/lustre-release.git] / lustre / utils / mount_utils_ldiskfs.c

diff --git a/lustre/utils/mount_utils_ldiskfs.c b/lustre/utils/mount_utils_ldiskfs.c
index bf8e2c8..9ce1e8f 100644 (file)
--- a/lustre/utils/mount_utils_ldiskfs.c
+++ b/lustre/utils/mount_utils_ldiskfs.c
@@ -80,6 +80,10 @@
 #include <lnet/lnetctl.h>
 #include <lustre_ver.h>
 
+#ifdef HAVE_SELINUX
+#include <selinux/selinux.h>
+#endif
+
 #define MAX_HW_SECTORS_KB_PATH "queue/max_hw_sectors_kb"
 #define MAX_SECTORS_KB_PATH    "queue/max_sectors_kb"
 #define SCHEDULER_PATH         "queue/scheduler"
@@ -94,6 +98,29 @@ extern char *progname;
 #define DUMMY_FILE_NAME_LEN             25
 #define EXT3_DIRENT_SIZE                DUMMY_FILE_NAME_LEN
 
+/*
+ * Concatenate context of the temporary mount point iff selinux is enabled
+ */
+#ifdef HAVE_SELINUX
+void append_context_for_mount(char *mntpt, struct mkfs_opts *mop)
+{
+       security_context_t fcontext;
+
+       if (getfilecon(mntpt, &fcontext) < 0) {
+               /* Continuing with default behaviour */
+               fprintf(stderr, "%s: Get file context failed : %s\n",
+                       progname, strerror(errno));
+               return;
+       }
+
+       if (fcontext != NULL) {
+               strcat(mop->mo_ldd.ldd_mount_opts, ",context=");
+               strcat(mop->mo_ldd.ldd_mount_opts, fcontext);
+               freecon(fcontext);
+       }
+}
+#endif
+
 /* Write the server config files */
 int ldiskfs_write_ldd(struct mkfs_opts *mop)
 {
@@ -111,6 +138,14 @@ int ldiskfs_write_ldd(struct mkfs_opts *mop)
                return errno;
        }
 
+       /*
+        * Append file context to mount options if SE Linux is enabled
+        */
+       #ifdef HAVE_SELINUX
+       if (is_selinux_enabled() > 0)
+               append_context_for_mount(mntpt, mop);
+       #endif
+
        dev = mop->mo_device;
        if (mop->mo_flags & MO_IS_LOOP)
                dev = mop->mo_loopdev;