1 files changed, 272 insertions, 0 deletions
diff --git a/amd/ops_udf.c b/amd/ops_udf.c
new file mode 100644
index 000000000000..b029365c68f2
--- /dev/null
+++ b/amd/ops_udf.c
@@ -0,0 +1,272 @@
+/*
+ * Copyright (c) 1997-2014 Erez Zadok
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *
+ * File: am-utils/amd/ops_udf.c
+ *
+ */
+
+/*
+ * UDF file system
+ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif /* HAVE_CONFIG_H */
+#include <am_defs.h>
+#include <amd.h>
+
+/* forward definitions */
+static char *udf_match(am_opts *fo);
+static int udf_mount(am_node *am, mntfs *mf);
+static int udf_umount(am_node *am, mntfs *mf);
+
+/*
+ * Ops structure
+ */
+am_ops udf_ops =
+{
+	"udf",
+	udf_match,
+	0,				/* udf_init */
+	udf_mount,
+	udf_umount,
+	amfs_error_lookup_child,
+	amfs_error_mount_child,
+	amfs_error_readdir,
+	0,				/* udf_readlink */
+	0,				/* udf_mounted */
+	0,				/* udf_umounted */
+	amfs_generic_find_srvr,
+	0,				/* udf_get_wchan */
+	FS_MKMNT | FS_UBACKGROUND | FS_AMQINFO,	/* nfs_fs_flags */
+#ifdef HAVE_FS_AUTOFS
+	AUTOFS_UDF_FS_FLAGS,
+#endif /* HAVE_FS_AUTOFS */
+};
+
+#if defined(HAVE_UDF_ARGS_T_NOBODY_GID) || defined(HAVE_UDF_ARGS_T_NOBODY_UID)
+static int
+a_num(const char *s, const char *id_type)
+{
+	int id;
+	char *ep;
+
+	id = strtol(s, &ep, 0);
+	if (*ep || s == ep || id < 0) {
+		plog(XLOG_ERROR, "mount_udf: unknown %s: %s", id_type, s);
+		return 0;
+	}
+	return id;
+}
+#endif /* defined(HAVE_UDF_ARGS_T_NOBODY_GID) || defined(HAVE_UDF_ARGS_T_NOBODY_UID) */
+
+#if defined(HAVE_UDF_ARGS_T_NOBODY_GID)
+static gid_t
+a_gid(const char *s, const char *id_type)
+{
+	struct group *gr;
+
+	if ((gr = getgrnam(s)) != NULL)
+		return gr->gr_gid;
+	return a_num(s, id_type);
+}
+#endif /* defined(HAVE_UDF_ARGS_T_NOBODY_GID) */
+
+#if defined(HAVE_UDF_ARGS_T_NOBODY_UID)
+static uid_t
+a_uid(const char *s, const char *id_type)
+{
+	struct passwd *pw;
+
+	if ((pw = getpwnam(s)) != NULL)
+		return pw->pw_uid;
+	return a_num(s, id_type);
+}
+#endif /* defined(HAVE_UDF_ARGS_T_NOBODY_UID) */
+
+/*
+ * UDF needs remote filesystem.
+ */
+static char *
+udf_match(am_opts *fo)
+{
+
+	if (!fo->opt_dev) {
+		plog(XLOG_USER, "udf: no source device specified");
+		return 0;
+	}
+	dlog("UDF: mounting device \"%s\" on \"%s\"", fo->opt_dev, fo->opt_fs);
+
+	/*
+	 * Determine magic cookie to put in mtab
+	 */
+	return xstrdup(fo->opt_dev);
+}
+
+static int
+mount_udf(char *mntdir, char *fs_name, char *opts, int on_autofs)
+{
+	udf_args_t udf_args;
+	mntent_t mnt;
+	int flags;
+	char *str;
+#if defined(HAVE_UDF_ARGS_T_NOBODY_UID) || defined(HAVE_UDF_ARGS_T_ANON_UID)
+	uid_t uid_nobody;
+	gid_t gid_nobody;
+#endif /* defined(HAVE_UDF_ARGS_T_NOBODY_UID) || defined(HAVE_UDF_ARGS_T_ANON_UID) */
+	/*
+	 * Figure out the name of the file system type.
+	 */
+	MTYPE_TYPE type = MOUNT_TYPE_UDF;
+
+#if defined(HAVE_UDF_ARGS_T_NOBODY_UID) || defined(HAVE_UDF_ARGS_T_ANON_UID)
+	uid_nobody = a_uid("nobody", "user");
+	if (uid_nobody == 0) {
+		plog(XLOG_ERROR, "mount_udf: invalid uid for nobody");
+		return EPERM;
+	}
+#endif /* defined(HAVE_UDF_ARGS_T_NOBODY_UID) || defined(HAVE_UDF_ARGS_T_ANON_UID) */
+
+#if defined(HAVE_UDF_ARGS_T_NOBODY_GID) || defined(HAVE_UDF_ARGS_T_ANON_GID)
+	gid_nobody = a_gid("nobody", "group");
+	if (gid_nobody == 0) {
+		plog(XLOG_ERROR, "mount_udf: invalid gid for nobody");
+		return EPERM;
+	}
+#endif /* defined(HAVE_UDF_ARGS_T_NOBODY_GID) || defined(HAVE_UDF_ARGS_T_ANON_GID) */
+
+	str = NULL;
+	memset((voidp) &udf_args, 0, sizeof(udf_args)); /* Paranoid */
+
+	/*
+	 * Fill in the mount structure
+	 */
+	memset((voidp)&mnt, 0, sizeof(mnt));
+	mnt.mnt_dir = mntdir;
+	mnt.mnt_fsname = fs_name;
+	mnt.mnt_type = MNTTAB_TYPE_UDF;
+	mnt.mnt_opts = opts;
+
+	flags = compute_mount_flags(&mnt);
+
+#ifdef HAVE_UDF_ARGS_T_UDFMFLAGS
+# if defined(MNT2_UDF_OPT_CLOSESESSION) && defined(MNTTAB_OPT_CLOSESESSION)
+	if (amu_hasmntopt(&mnt, MNTTAB_OPT_CLOSESESSION))
+		udf_args.udfmflags |= MNT2_UDF_OPT_CLOSESESSION;
+# endif /* defined(MNT2_UDF_OPT_CLOSESESSION) && defined(MNTTAB_OPT_CLOSESESSION) */
+#endif /* HAVE_UDF_ARGS_T_UDFMFLAGS */
+
+#ifdef HAVE_UDF_ARGS_T_NOBODY_UID
+	udf_args.nobody_uid = uid_nobody;
+#endif /* HAVE_UDF_ARGS_T_NOBODY_UID */
+
+#ifdef HAVE_UDF_ARGS_T_NOBODY_GID
+	udf_args.nobody_gid = gid_nobody;
+#endif /* HAVE_UDF_ARGS_T_NOBODY_GID */
+
+#ifdef HAVE_UDF_ARGS_T_ANON_UID
+	udf_args.anon_uid = uid_nobody;	/* default to nobody */
+	if ((str = hasmntstr(&mnt, MNTTAB_OPT_USER)) != NULL) {
+		udf_args.anon_uid = a_uid(str, MNTTAB_OPT_USER);
+		XFREE(str);
+	}
+#endif /* HAVE_UDF_ARGS_T_ANON_UID */
+
+#ifdef HAVE_UDF_ARGS_T_ANON_GID
+	udf_args.anon_gid = gid_nobody;	/* default to nobody */
+	if ((str = hasmntstr(&mnt, MNTTAB_OPT_GROUP)) != NULL) {
+		udf_args.anon_gid = a_gid(str, MNTTAB_OPT_GROUP);
+		XFREE(str);
+	}
+#endif /* HAVE_UDF_ARGS_T_ANON_GID */
+
+#ifdef HAVE_UDF_ARGS_T_GMTOFF
+	udf_args.gmtoff = 0;
+	if ((str = hasmntstr(&mnt, MNTTAB_OPT_GMTOFF)) != NULL) {
+		udf_args.gmtoff = a_num(str, MNTTAB_OPT_GMTOFF);
+		XFREE(str);
+	}
+#endif /* HAVE_UDF_ARGS_T_GMTOFF */
+
+#ifdef HAVE_UDF_ARGS_T_SESSIONNR
+	udf_args.sessionnr = 0;
+	if ((str = hasmntstr(&mnt, MNTTAB_OPT_SESSIONNR)) != NULL) {
+		udf_args.sessionnr = a_num(str, MNTTAB_OPT_SESSIONNR);
+		XFREE(str);
+	}
+#endif /* HAVE_UDF_ARGS_T_SESSIONNR */
+
+#ifdef HAVE_UDF_ARGS_T_VERSION
+# ifdef UDFMNT_VERSION
+	udf_args.version = UDFMNT_VERSION;
+# endif /* UDFMNT_VERSION */
+#endif /* HAVE_UDF_ARGS_T_VERSION */
+
+#ifdef HAVE_UFS_ARGS_T_FSPEC
+	udf_args.fspec = fs_name;
+#endif /* HAVE_UFS_ARGS_T_FSPEC */
+
+	/*
+	 * Call generic mount routine
+	 */
+	return mount_fs(&mnt, flags, (caddr_t)&udf_args, 0, type, 0, NULL,
+	    mnttab_file_name, on_autofs);
+}
+
+static int
+udf_mount(am_node *am, mntfs *mf)
+{
+	int on_autofs;
+	int error;
+
+	on_autofs = mf->mf_flags & MFF_ON_AUTOFS;
+	error = mount_udf(mf->mf_mount, mf->mf_info, mf->mf_mopts, on_autofs);
+	if (error) {
+		errno = error;
+		plog(XLOG_ERROR, "mount_udf: %m");
+		return error;
+	}
+	return 0;
+}
+
+
+static int
+udf_umount(am_node *am, mntfs *mf)
+{
+	int unmount_flags;
+
+	unmount_flags = (mf->mf_flags & MFF_ON_AUTOFS) ? AMU_UMOUNT_AUTOFS : 0;
+	return UMOUNT_FS(mf->mf_mount, mnttab_file_name, unmount_flags);
+}