diff options
Diffstat (limited to 'contrib/macfuse')
| -rw-r--r-- | contrib/macfuse/COPYING.txt | 128 | ||||
| -rw-r--r-- | contrib/macfuse/fuse_ioctl.h | 64 | ||||
| -rw-r--r-- | contrib/macfuse/fuse_param.h | 147 | ||||
| -rw-r--r-- | contrib/macfuse/mount_darwin.c | 355 |
4 files changed, 694 insertions, 0 deletions
diff --git a/contrib/macfuse/COPYING.txt b/contrib/macfuse/COPYING.txt new file mode 100644 index 00000000000..3f89bb08dc5 --- /dev/null +++ b/contrib/macfuse/COPYING.txt @@ -0,0 +1,128 @@ +MacFUSE is a package developed by Google and is covered under the following +BSD-style license: + + ================================================================ + Copyright (c) 2007-2009 Google Inc. + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are + met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * 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. + * Neither the name of Google Inc. 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 COPYRIGHT HOLDERS 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 COPYRIGHT + OWNER 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. + ================================================================ + +Note that Google's patches to the FUSE library (libfuse/*.patch) (and to +the SSHFS user-space program (filesystems/sshfs/*.patch) are also released +under the BSD license. + +Portions of this package were derived from code developed by other authors. +Please read further for specific details. + +* fusefs/fuse_kernel.h is an unmodified copy of the interface header from + the Linux FUSE distribution (http://fuse.sourceforge.net). fuse_kernel.h + can be redistributed either under the GPL or under the BSD license. It + is being redistributed here under the BSD license. + +* Unless otherwise noted, parts of MacFUSE (multiple files in fusefs/) contain + code derived from the FreeBSD version of FUSE (http://fuse4bsd.creo.hu), + which is covered by the following BSD-style license: + + ================================================================ + Copyright (C) 2005 Csaba Henk. All rights reserved. + + 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. + + THIS SOFTWARE IS PROVIDED BY AUTHOR 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 AUTHOR 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. + ================================================================ + +* fusefs/fuse_nodehash.c is a modified version of HashNode.c from an + Apple Developer Technical Support (DTS) sample code example. The original + source, which is available on http://developer.apple.com/samplecode/, has + the following disclaimer: + + ================================================================ + Disclaimer: IMPORTANT: This Apple software is supplied to you by + Apple Computer, Inc. Apple") in consideration of your agreement + to the following terms, and your use, installation, modification + or redistribution of this Apple software constitutes acceptance + of these terms. If you do not agree with these terms, please do + not use, install, modify or redistribute this Apple software. + + In consideration of your agreement to abide by the following terms, + and subject to these terms, Apple grants you a personal, non-exclusive + license, under Apple's copyrights in this original Apple software + (the "Apple Software"), to use, reproduce, modify and redistribute + the Apple Software, with or without modifications, in source and/or + binary forms; provided that if you redistribute the Apple Software + in its entirety and without modifications, you must retain this + notice and the following text and disclaimers in all such + redistributions of the Apple Software. Neither the name, + trademarks, service marks or logos of Apple Computer, Inc. may be + used to endorse or promote products derived from the Apple Software + without specific prior written permission from Apple. Except as + expressly stated in this notice, no other rights or licenses, + express or implied, are granted by Apple herein, including but + not limited to any patent rights that may be infringed by your + derivative works or by other works in which the Apple Software + may be incorporated. + + The Apple Software is provided by Apple on an "AS IS" basis. APPLE + MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION + THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND + FITNESS FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR + ITS USE AND OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS. + + IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, + INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + PROFITS; OR BUSINESS INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, + REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, + HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING + NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN + ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ================================================================ + +* Parts of the mount_fusefs and the load_fusefs command-line programs + (implemented in fusefs/mount_fusefs/ and fusefs/load_fusefs/, respectively) + come from Apple's Darwin sources and are covered under the Apple Public + Source License (APSL). You can read the APSL at: + + http://www.publicsource.apple.com/apsl/ diff --git a/contrib/macfuse/fuse_ioctl.h b/contrib/macfuse/fuse_ioctl.h new file mode 100644 index 00000000000..054968cb13e --- /dev/null +++ b/contrib/macfuse/fuse_ioctl.h @@ -0,0 +1,64 @@ +/* + * Copyright (C) 2006-2008 Google. All Rights Reserved. + * Amit Singh <singh@> + */ + +#ifndef _FUSE_IOCTL_H_ +#define _FUSE_IOCTL_H_ + +#include <stdint.h> +#include <sys/ioctl.h> + +/* FUSEDEVIOCxxx */ + +/* Get mounter's pid. */ +#define FUSEDEVGETMOUNTERPID _IOR('F', 1, u_int32_t) + +/* Check if FUSE_INIT kernel-user handshake is complete. */ +#define FUSEDEVIOCGETHANDSHAKECOMPLETE _IOR('F', 2, u_int32_t) + +/* Mark the daemon as dead. */ +#define FUSEDEVIOCSETDAEMONDEAD _IOW('F', 3, u_int32_t) + +/* Tell the kernel which operations the daemon implements. */ +#define FUSEDEVIOCSETIMPLEMENTEDBITS _IOW('F', 4, u_int64_t) + +/* Get device's random "secret". */ +#define FUSEDEVIOCGETRANDOM _IOR('F', 5, u_int32_t) + +/* + * The 'AVFI' (alter-vnode-for-inode) ioctls all require an inode number + * as an argument. In the user-space library, you can get the inode number + * from a path by using fuse_lookup_inode_by_path_np() [lib/fuse.c]. + * + * To see an example of using this, see the implementation of + * fuse_purge_path_np() in lib/fuse_darwin.c. + */ + +struct fuse_avfi_ioctl { + uint64_t inode; + uint64_t cmd; + uint32_t ubc_flags; + uint32_t note; + off_t size; +}; + +/* Alter the vnode (if any) specified by the given inode. */ +#define FUSEDEVIOCALTERVNODEFORINODE _IOW('F', 6, struct fuse_avfi_ioctl) +#define FSCTLALTERVNODEFORINODE IOCBASECMD(FUSEDEVIOCALTERVNODEFORINODE) + +/* + * Possible cmd values for AVFI. + */ + +#define FUSE_AVFI_MARKGONE 0x00000001 /* no ubc_flags */ +#define FUSE_AVFI_PURGEATTRCACHE 0x00000002 /* no ubc_flags */ +#define FUSE_AVFI_PURGEVNCACHE 0x00000004 /* no ubc_flags */ +#define FUSE_AVFI_UBC 0x00000008 /* uses ubc_flags */ +#define FUSE_AVFI_UBC_SETSIZE 0x00000010 /* uses ubc_flags, size */ +#define FUSE_AVFI_KNOTE 0x00000020 /* uses note */ + +#define FUSE_SETACLSTATE _IOW('h', 10, int32_t) +#define FSCTLSETACLSTATE IOCBASECMD(FUSE_SETACLSTATE) + +#endif /* _FUSE_IOCTL_H_ */ diff --git a/contrib/macfuse/fuse_param.h b/contrib/macfuse/fuse_param.h new file mode 100644 index 00000000000..81d753c6cd7 --- /dev/null +++ b/contrib/macfuse/fuse_param.h @@ -0,0 +1,147 @@ +/* + * Copyright (C) 2006-2008 Google. All Rights Reserved. + * Amit Singh <singh@> + */ + +#ifndef _FUSE_PARAM_H_ +#define _FUSE_PARAM_H_ + +/* Compile-time tunables (M_MACFUSE*) */ + +#define M_MACFUSE_ENABLE_FIFOFS 0 +#define M_MACFUSE_ENABLE_INTERRUPT 1 +#define M_MACFUSE_ENABLE_SPECFS 0 +#define M_MACFUSE_ENABLE_TSLOCKING 0 +#define M_MACFUSE_ENABLE_UNSUPPORTED 1 +#define M_MACFUSE_ENABLE_XATTR 1 + +#if M_MACFUSE_ENABLE_UNSUPPORTED + #define M_MACFUSE_ENABLE_DSELECT 0 + #define M_MACFUSE_ENABLE_EXCHANGE 1 + #define M_MACFUSE_ENABLE_KQUEUE 1 + #define M_MACFUSE_ENABLE_KUNC 0 +#if __LP64__ + #define M_MACFUSE_ENABLE_INTERIM_FSNODE_LOCK 1 +#endif /* __LP64__ */ +#endif /* M_MACFUSE_ENABLE_UNSUPPORTED */ + +#if M_MACFUSE_ENABLE_INTERIM_FSNODE_LOCK +#define FUSE_VNOP_EXPORT __private_extern__ +#else +#define FUSE_VNOP_EXPORT static +#endif /* M_MACFUSE_ENABLE_INTERIM_FSNODE_LOCK */ + +/* User Control */ + +#define MACFUSE_POSTUNMOUNT_SIGNAL SIGKILL + +#define MACOSX_ADMIN_GROUP_NAME "admin" + +#define SYSCTL_MACFUSE_TUNABLES_ADMIN "macfuse.tunables.admin_group" +#define SYSCTL_MACFUSE_VERSION_NUMBER "macfuse.version.number" + +/* Paths */ + +#define MACFUSE_BUNDLE_PATH "/Library/Filesystems/fusefs.fs" +#define MACFUSE_KEXT MACFUSE_BUNDLE_PATH "/Support/fusefs.kext" +#define MACFUSE_LOAD_PROG MACFUSE_BUNDLE_PATH "/Support/load_fusefs" +#define MACFUSE_MOUNT_PROG MACFUSE_BUNDLE_PATH "/Support/mount_fusefs" +#define SYSTEM_KEXTLOAD "/sbin/kextload" +#define SYSTEM_KEXTUNLOAD "/sbin/kextunload" + +/* Compatible API version */ + +#define MACFUSE_MIN_USER_VERSION_MAJOR 7 +#define MACFUSE_MIN_USER_VERSION_MINOR 5 + +/* Device Interface */ + +/* + * This is the prefix ("fuse" by default) of the name of a FUSE device node + * in devfs. The suffix is the device number. "/dev/fuse0" is the first FUSE + * device by default. If you change the prefix from the default to something + * else, the user-space FUSE library will need to know about it too. + */ +#define MACFUSE_DEVICE_BASENAME "fuse" + +/* + * This is the number of /dev/fuse<n> nodes we will create. <n> goes from + * 0 to (FUSE_NDEVICES - 1). + */ +#define MACFUSE_NDEVICES 24 + +/* + * This is the default block size of the virtual storage devices that are + * implicitly implemented by the FUSE kernel extension. This can be changed + * on a per-mount basis (there's one such virtual device for each mount). + */ +#define FUSE_DEFAULT_BLOCKSIZE 4096 + +#define FUSE_MIN_BLOCKSIZE 512 +#define FUSE_MAX_BLOCKSIZE MAXPHYS + +#ifndef MAX_UPL_TRANSFER +#define MAX_UPL_TRANSFER 256 +#endif + +/* + * This is default I/O size used while accessing the virtual storage devices. + * This can be changed on a per-mount basis. + * + * Nevertheless, the I/O size must be at least as big as the block size. + */ +#define FUSE_DEFAULT_IOSIZE (16 * PAGE_SIZE) + +#define FUSE_MIN_IOSIZE 512 +#define FUSE_MAX_IOSIZE (MAX_UPL_TRANSFER * PAGE_SIZE) + +#define FUSE_DEFAULT_INIT_TIMEOUT 10 /* s */ +#define FUSE_MIN_INIT_TIMEOUT 1 /* s */ +#define FUSE_MAX_INIT_TIMEOUT 300 /* s */ +#define FUSE_INIT_WAIT_INTERVAL 100000 /* us */ + +#define FUSE_INIT_TIMEOUT_DEFAULT_BUTTON_TITLE "OK" +#define FUSE_INIT_TIMEOUT_NOTICE_MESSAGE \ + "Timed out waiting for the file system to initialize. The volume has " \ + "been ejected. You can use the init_timeout mount option to wait longer." + +#define FUSE_DEFAULT_DAEMON_TIMEOUT 60 /* s */ +#define FUSE_MIN_DAEMON_TIMEOUT 0 /* s */ +#define FUSE_MAX_DAEMON_TIMEOUT 600 /* s */ + +#define FUSE_DAEMON_TIMEOUT_DEFAULT_BUTTON_TITLE "Keep Trying" +#define FUSE_DAEMON_TIMEOUT_OTHER_BUTTON_TITLE "Force Eject" +#define FUSE_DAEMON_TIMEOUT_ALTERNATE_BUTTON_TITLE "Don't Warn Again" +#define FUSE_DAEMON_TIMEOUT_ALERT_MESSAGE \ + "There was a timeout waiting for the file system to respond. You can " \ + "eject this volume immediately, but unsaved changes may be lost." +#define FUSE_DAEMON_TIMEOUT_ALERT_TIMEOUT 120 /* s */ + +#ifdef KERNEL + +/* + * This is the soft upper limit on the number of "request tickets" FUSE's + * user-kernel IPC layer can have for a given mount. This can be modified + * through the fuse.* sysctl interface. + */ +#define FUSE_DEFAULT_MAX_FREE_TICKETS 1024 +#define FUSE_DEFAULT_IOV_PERMANENT_BUFSIZE (1 << 19) +#define FUSE_DEFAULT_IOV_CREDIT 16 + +/* User-Kernel IPC Buffer */ + +#define FUSE_MIN_USERKERNEL_BUFSIZE (128 * 1024) +#define FUSE_MAX_USERKERNEL_BUFSIZE (4096 * 1024) + +#define FUSE_REASONABLE_XATTRSIZE FUSE_MIN_USERKERNEL_BUFSIZE + +#endif /* KERNEL */ + +#define FUSE_DEFAULT_USERKERNEL_BUFSIZE (4096 * 1024) + +#define FUSE_LINK_MAX LINK_MAX +#define FUSE_UIO_BACKUP_MAX 8 + +#define FUSE_MAXNAMLEN 255 + +#endif /* _FUSE_PARAM_H_ */ diff --git a/contrib/macfuse/mount_darwin.c b/contrib/macfuse/mount_darwin.c new file mode 100644 index 00000000000..f7fcc2a70ed --- /dev/null +++ b/contrib/macfuse/mount_darwin.c @@ -0,0 +1,355 @@ +/* + * Derived from mount_bsd.c from the fuse distribution. + * + * FUSE: Filesystem in Userspace + * Copyright (C) 2005-2006 Csaba Henk <csaba.henk@creo.hu> + * Copyright (C) 2007-2009 Amit Singh <asingh@gmail.com> + * Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> + * + * This program can be distributed under the terms of the GNU LGPLv2. + * See the file COPYING.LIB. + */ + +#undef _POSIX_C_SOURCE +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/wait.h> +#include <sys/sysctl.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <stddef.h> +#include <fcntl.h> +#include <errno.h> +#include <string.h> +#include <paths.h> + +#include <libproc.h> +#include <sys/utsname.h> + +#include <sys/param.h> +#include <sys/mount.h> +#include <AssertMacros.h> + +#include "fuse_param.h" +#include "fuse_ioctl.h" + +#include "glusterfs.h" +#include "logging.h" +#include "common-utils.h" + +#define GFFUSE_LOGERR(...) \ + gf_log ("glusterfs-fuse", GF_LOG_ERROR, ## __VA_ARGS__) + +static long +fuse_os_version_major_np(void) +{ + int ret = 0; + long major = 0; + char *c = NULL; + struct utsname u; + size_t oldlen; + + oldlen = sizeof(u.release); + + ret = sysctlbyname("kern.osrelease", u.release, &oldlen, NULL, 0); + if (ret != 0) { + return -1; + } + + c = strchr(u.release, '.'); + if (c == NULL) { + return -1; + } + + *c = '\0'; + + errno = 0; + major = strtol(u.release, NULL, 10); + if ((errno == EINVAL) || (errno == ERANGE)) { + return -1; + } + + return major; +} + +static int +fuse_running_under_rosetta(void) +{ + int result = 0; + int is_native = 1; + size_t sz = sizeof(result); + + int ret = sysctlbyname("sysctl.proc_native", &result, &sz, NULL, (size_t)0); + if ((ret == 0) && !result) { + is_native = 0; + } + + return !is_native; +} + +static int +loadkmod(void) +{ + int result = -1; + int pid, terminated_pid; + union wait status; + long major; + + major = fuse_os_version_major_np(); + + if (major < 9) { /* not Mac OS X 10.5+ */ + return EINVAL; + } + + pid = fork(); + + if (pid == 0) { + execl(MACFUSE_LOAD_PROG, MACFUSE_LOAD_PROG, NULL); + + /* exec failed */ + exit(ENOENT); + } + + require_action(pid != -1, Return, result = errno); + + while ((terminated_pid = wait4(pid, (int *)&status, 0, NULL)) < 0) { + /* retry if EINTR, else break out with error */ + if (errno != EINTR) { + break; + } + } + + if ((terminated_pid == pid) && (WIFEXITED(status))) { + result = WEXITSTATUS(status); + } else { + result = -1; + } + +Return: + check_noerr_string(result, strerror(errno)); + + return result; +} + +int +gf_fuse_mount (const char *mountpoint, char *fsname, char *mnt_param) +{ + int fd, pid; + int result; + char *fdnam, *dev; + const char *mountprog = MACFUSE_MOUNT_PROG; + + /* mount_fusefs should not try to spawn the daemon */ + setenv("MOUNT_FUSEFS_SAFE", "1", 1); + + /* to notify mount_fusefs it's called from lib */ + setenv("MOUNT_FUSEFS_CALL_BY_LIB", "1", 1); + + if (!mountpoint) { + fprintf(stderr, "missing or invalid mount point\n"); + return -1; + } + + if (fuse_running_under_rosetta()) { + fprintf(stderr, "MacFUSE does not work under Rosetta\n"); + return -1; + } + + signal(SIGCHLD, SIG_DFL); /* So that we can wait4() below. */ + + result = loadkmod(); + if (result == EINVAL) + GFFUSE_LOGERR("OS X >= 10.5 (at least Leopard) required"); + else if (result == 0 || result == ENOENT || result == EBUSY) { + /* Module loaded, but now need to check for user<->kernel match. */ + + char version[MAXHOSTNAMELEN + 1] = { 0 }; + size_t version_len = MAXHOSTNAMELEN; + size_t version_len_desired = 0; + + result = sysctlbyname(SYSCTL_MACFUSE_VERSION_NUMBER, version, + &version_len, NULL, (size_t)0); + if (result == 0) { + /* sysctlbyname() includes the trailing '\0' in version_len */ + version_len_desired = strlen("2.x.y") + 1; + + if (version_len != version_len_desired) + result = -1; + } else + strcpy(version, "?.?.?"); + if (result == 0) { + char *ep; + char vstr[4]; + unsigned vval; + int i; + + for (i = 0; i < 3; i++) + vstr[i] = version[2*i]; + vstr[3] = '\0'; + + vval = strtoul(vstr, &ep, 10); + if (*ep || vval < 203 || vval > 217) + result = -1; + else + gf_log("glusterfs-fuse", GF_LOG_INFO, + "MacFUSE kext version %s", version); + } + if (result != 0) + GFFUSE_LOGERR("MacFUSE version %s is not supported", version); + } else + GFFUSE_LOGERR("cannot load MacFUSE kext"); + if (result != 0) + return -1; + + fdnam = getenv("FUSE_DEV_FD"); + + if (fdnam) { + char *ep; + + fd = strtol(fdnam, &ep, 10); + if (*ep != '\0' || fd < 0) { + GFFUSE_LOGERR("invalid value given in FUSE_DEV_FD"); + return -1; + } + + goto mount; + } + + dev = getenv("FUSE_DEV_NAME"); + if (dev) { + if ((fd = open(dev, O_RDWR)) < 0) { + GFFUSE_LOGERR("failed to open device (%s)", strerror(errno)); + return -1; + } + } else { + int r, devidx = -1; + char devpath[MAXPATHLEN]; + + for (r = 0; r < MACFUSE_NDEVICES; r++) { + snprintf(devpath, MAXPATHLEN - 1, + _PATH_DEV MACFUSE_DEVICE_BASENAME "%d", r); + fd = open(devpath, O_RDWR); + if (fd >= 0) { + dev = devpath; + devidx = r; + break; + } + } + if (devidx == -1) { + GFFUSE_LOGERR("failed to open device (%s)", strerror(errno)); + return -1; + } + } + +mount: + if (getenv("FUSE_NO_MOUNT") || ! mountpoint) + goto out; + + signal(SIGCHLD, SIG_IGN); + + pid = fork(); + + if (pid == -1) { + GFFUSE_LOGERR("fork() failed (%s)", strerror(errno)); + close(fd); + return -1; + } + + if (pid == 0) { + + pid = fork(); + if (pid == -1) { + GFFUSE_LOGERR("fork() failed (%s)", strerror(errno)); + close(fd); + exit(1); + } + + if (pid == 0) { + const char *argv[32]; + int a = 0; + char *opts = NULL; + + if (asprintf(&opts, "%s,fssubtype=glusterfs", mnt_param) == -1) { + GFFUSE_LOGERR("Out of memory"); + exit(1); + } + + if (! fdnam) + asprintf(&fdnam, "%d", fd); + + argv[a++] = mountprog; + if (opts) { + argv[a++] = "-o"; + argv[a++] = opts; + } + argv[a++] = fdnam; + argv[a++] = mountpoint; + argv[a++] = NULL; + + { + char title[MAXPATHLEN + 1] = { 0 }; + u_int32_t len = MAXPATHLEN; + int ret = proc_pidpath(getpid(), title, len); + if (ret) { + setenv("MOUNT_FUSEFS_DAEMON_PATH", title, 1); + } + } + execvp(mountprog, (char **) argv); + GFFUSE_LOGERR("MacFUSE: failed to exec mount program (%s)", strerror(errno)); + exit(1); + } + + _exit(0); + } + +out: + return fd; +} + +void +gf_fuse_unmount(const char *mountpoint, int fd) +{ + int ret; + struct stat sbuf; + char dev[128]; + char resolved_path[PATH_MAX]; + char *ep, *rp = NULL; + + unsigned int hs_complete = 0; + + ret = ioctl(fd, FUSEDEVIOCGETHANDSHAKECOMPLETE, &hs_complete); + if (ret || !hs_complete) { + return; + } + /* XXX does this have any use here? */ + ret = ioctl(fd, FUSEDEVIOCSETDAEMONDEAD, &fd); + if (ret) { + return; + } + + if (fstat(fd, &sbuf) == -1) { + return; + } + + devname_r(sbuf.st_rdev, S_IFCHR, dev, 128); + + if (strncmp(dev, MACFUSE_DEVICE_BASENAME, + sizeof(MACFUSE_DEVICE_BASENAME) - 1)) { + return; + } + + strtol(dev + 4, &ep, 10); + if (*ep != '\0') { + return; + } + + rp = realpath(mountpoint, resolved_path); + if (rp) { + ret = unmount(resolved_path, 0); + } + + close(fd); + + return; +} |