libzfs_handle_t *
libzfs_init(void)
{
libzfs_handle_t *hdl;
#ifdef __APPLE__
struct vfsconf vfc;
struct stat sb;
int loaded;
/* Attempt to load zfs kext if its not already loaded. */
if (getvfsbyname("zfs", &vfc) != 0) {
int pick = 0;
int i;
/* Find all possible zfs kext versions. */
getkextvers(kextpaths[0], &kextvers[0]);
/* Pick the newest one. */
for (i = 0; i < 1; ++i) {
if (kextvers[i] > kextvers[pick])
pick = i;
}
loaded = load_zfs_kext(kextpaths[pick]);
}
/* Attempt to create "/etc/zfs" its not already there. */
if (getuid() == 0 && stat("/etc/zfs", &sb)!= 0 && errno == ENOENT)
{
(void) mkdir("/etc/zfs", 0755);
}
#endif
if ((hdl = calloc(sizeof (libzfs_handle_t), 1)) == NULL) {
return (NULL);
}
if ((hdl->libzfs_fd = open(ZFS_DEV, O_RDWR)) < 0) {
free(hdl);
return (NULL);
}
#ifndef __APPLE__
if ((hdl->libzfs_mnttab = fopen(MNTTAB, "r")) == NULL) {
(void) close(hdl->libzfs_fd);
free(hdl);
return (NULL);
}
#endif /*!__APPLE__*/
hdl->libzfs_sharetab = fopen("/etc/dfs/sharetab", "r");
zfs_prop_init();
return (hdl);
}
libzfs_handle_t *
libzfs_init(void)
{
libzfs_handle_t *hdl;
#ifdef __APPLE__
struct vfsconf vfc;
struct stat sb;
int loaded;
/* Attempt to load zfs kext if its not already loaded. */
if (getvfsbyname("zfs", &vfc) != 0) {
int pick = 0;
int i;
/* Find all possible zfs kext versions. */
getkextvers(kextpaths[0], &kextvers[0]);
getkextvers(kextpaths[1], &kextvers[1]);
/* Pick the newest one. */
for (i = 0; i < 2; ++i) {
if (kextvers[i] > kextvers[pick])
pick = i;
}
loaded = load_zfs_kext(kextpaths[pick]);
ASSERT(loaded == 0);
}
/* Attempt to create "/etc/zfs" its not already there. */
if (getuid() == 0 && stat("/etc/zfs", &sb)!= 0 && errno == ENOENT)
{
(void) mkdir("/etc/zfs", 0755);
}
#endif
if ((hdl = calloc(sizeof (libzfs_handle_t), 1)) == NULL) {
return (NULL);
}
if ((hdl->libzfs_fd = open(ZFS_DEV, O_RDWR)) < 0) {
free(hdl);
return (NULL);
} else {
/* Perform special version ceck ioctl() to unlock user-kernel
* interface. This serves as protection against using userland
* tools of one implementation against kernel land of another
* implementation.
*/
zfs_cmd_t vers_zc = {0};
strncpy(vers_zc.zc_name, __STRING(MACZFS_ID), sizeof(vers_zc.zc_name)-1);
vers_zc.zc_value[0] = ZFS_IOC_NUM(ZFS_IOC__LAST_USED);
vers_zc.zc_value[1] = MACZFS_VERS_MAJOR;
vers_zc.zc_value[2] = MACZFS_VERS_MINOR;
vers_zc.zc_value[3] = MACZFS_VERS_PATCH;
hdl->libzfs_log_str = NULL;
if (zfs_ioctl(hdl, ZFS_IOC__VERSION_CHECK, &vers_zc) != 0) {
/* kernel - user version mismatch or kernel side not ready. */
free(hdl);
return (NULL);
}
}
#ifndef __APPLE__
if ((hdl->libzfs_mnttab = fopen(MNTTAB, "r")) == NULL) {
(void) close(hdl->libzfs_fd);
free(hdl);
return (NULL);
}
#endif /*!__APPLE__*/
hdl->libzfs_sharetab = fopen("/etc/dfs/sharetab", "r");
zfs_prop_init();
return (hdl);
}
libzfs_handle_t *
libzfs_init(void)
{
libzfs_handle_t *hdl;
#ifdef __APPLE__
struct vfsconf vfc;
struct stat sb;
int loaded;
/* Attempt to load zfs kext if its not already loaded. */
if (getvfsbyname("zfs", &vfc) != 0) {
int pick = 0;
int i;
/* Find all possible zfs kext versions. */
getkextvers(kextpaths[0], &kextvers[0]);
getkextvers(kextpaths[1], &kextvers[1]);
getkextvers(kextpaths[2], &kextvers[2]);
/* Pick the newest one. */
for (i = 0; i < 3; ++i) {
if (kextvers[i] > kextvers[pick])
pick = i;
}
loaded = load_zfs_kext(kextpaths[pick]);
zfs_readonly_kext = (pick == 2);
/* Make sure user knows they have loaded the readonly kext */
if(zfs_readonly_kext && (loaded != -1))
(void) fprintf(stderr, gettext("ZFS Readonly implemntation "
"is loaded!\nTo download the full ZFS "
"read/write kext with all functionality "
"enabled, please go to "
"http://developer.apple.com\n"));
} else {
zfs_readonly_kext = is_readonly_kext(vfc.vfc_typenum);
}
/* Attempt to create "/etc/zfs" its not already there. */
if (getuid() == 0 && stat("/etc/zfs", &sb)!= 0 && errno == ENOENT)
{
(void) mkdir("/etc/zfs", 0755);
}
#endif
if ((hdl = calloc(sizeof (libzfs_handle_t), 1)) == NULL) {
return (NULL);
}
if ((hdl->libzfs_fd = open(ZFS_DEV, O_RDWR)) < 0) {
free(hdl);
return (NULL);
}
#ifndef __APPLE__
if ((hdl->libzfs_mnttab = fopen(MNTTAB, "r")) == NULL) {
(void) close(hdl->libzfs_fd);
free(hdl);
return (NULL);
}
#endif /*!__APPLE__*/
hdl->libzfs_sharetab = fopen("/etc/dfs/sharetab", "r");
zfs_prop_init();
/* Make sure the user knows they have loaded the Read Only kext */
return (hdl);
}
