diff options
Diffstat (limited to 'cmd/mount_zfs/mount_zfs.c')
| -rw-r--r-- | cmd/mount_zfs/mount_zfs.c | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/cmd/mount_zfs/mount_zfs.c b/cmd/mount_zfs/mount_zfs.c index 0f4995943..e3e8cfc22 100644 --- a/cmd/mount_zfs/mount_zfs.c +++ b/cmd/mount_zfs/mount_zfs.c @@ -28,10 +28,14 @@ #include <unistd.h> #include <sys/file.h> #include <sys/mount.h> +#include <sys/mntent.h> #include <sys/stat.h> #include <libzfs.h> #include <locale.h> +#define ZS_COMMENT 0x00000000 /* comment */ +#define ZS_ZFSUTIL 0x00000001 /* caller is zfs(8) */ + libzfs_handle_t *g_zfs; typedef struct option_map { @@ -335,14 +339,18 @@ mtab_update(char *dataset, char *mntpoint, char *type, char *mntopts) } static void -__zfs_selinux_setcontext(const char *name, const char *context, char *mntopts, - char *mtabopt) +append_mntopt(const char *name, const char *val, char *mntopts, + char *mtabopt, boolean_t quote) { char tmp[MNT_LINE_MAX]; - snprintf(tmp, MNT_LINE_MAX, ",%s=\"%s\"", name, context); - strlcat(mntopts, tmp, MNT_LINE_MAX); - strlcat(mtabopt, tmp, MNT_LINE_MAX); + snprintf(tmp, MNT_LINE_MAX, quote ? ",%s=\"%s\"" : ",%s=%s", name, val); + + if (mntopts) + strlcat(mntopts, tmp, MNT_LINE_MAX); + + if (mtabopt) + strlcat(mtabopt, tmp, MNT_LINE_MAX); } static void @@ -354,7 +362,7 @@ zfs_selinux_setcontext(zfs_handle_t *zhp, zfs_prop_t zpt, const char *name, if (zfs_prop_get(zhp, zpt, context, sizeof (context), NULL, NULL, 0, B_FALSE) == 0) { if (strcmp(context, "none") != 0) - __zfs_selinux_setcontext(name, context, mntopts, mtabopt); + append_mntopt(name, context, mntopts, mtabopt, B_TRUE); } } @@ -506,11 +514,14 @@ main(int argc, char **argv) ZFS_PROP_SELINUX_ROOTCONTEXT, MNTOPT_ROOTCONTEXT, mntopts, mtabopt); } else { - __zfs_selinux_setcontext(MNTOPT_CONTEXT, - prop, mntopts, mtabopt); + append_mntopt(MNTOPT_CONTEXT, prop, + mntopts, mtabopt, B_TRUE); } } + /* A hint used to determine an auto-mounted snapshot mount point */ + append_mntopt(MNTOPT_MNTPOINT, mntpoint, mntopts, NULL, B_FALSE); + /* treat all snapshots as legacy mount points */ if (zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT) (void) strlcpy(prop, ZFS_MOUNTPOINT_LEGACY, ZFS_MAXPROPLEN); |