2013-09-14 15:29:06 +00:00
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/*-
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* Copyright (c) 2003, 2004 Silicon Graphics International Corp.
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* Copyright (c) 1997-2007 Kenneth D. Merry
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* Copyright (c) 2012 The FreeBSD Foundation
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* All rights reserved.
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*
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* Portions of this software were developed by Edward Tomasz Napierala
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* under sponsorship from the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*
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* $FreeBSD$
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*/
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/param.h>
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#include <sys/linker.h>
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#include <sys/queue.h>
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#include <sys/callout.h>
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#include <sys/sbuf.h>
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2014-03-16 11:04:44 +00:00
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#include <sys/capsicum.h>
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2013-09-14 15:29:06 +00:00
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#include <assert.h>
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#include <bsdxml.h>
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#include <ctype.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <strings.h>
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#include <cam/scsi/scsi_all.h>
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#include <cam/scsi/scsi_message.h>
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#include <cam/ctl/ctl.h>
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#include <cam/ctl/ctl_io.h>
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#include <cam/ctl/ctl_frontend_internal.h>
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#include <cam/ctl/ctl_backend.h>
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#include <cam/ctl/ctl_ioctl.h>
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#include <cam/ctl/ctl_backend_block.h>
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#include <cam/ctl/ctl_util.h>
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#include <cam/ctl/ctl_scsi_all.h>
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2014-04-16 10:06:37 +00:00
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#include "ctld.h"
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2013-09-14 15:29:06 +00:00
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#ifdef ICL_KERNEL_PROXY
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#include <netdb.h>
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#endif
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2014-04-16 10:06:37 +00:00
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extern bool proxy_mode;
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2013-09-14 15:29:06 +00:00
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static int ctl_fd = 0;
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void
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kernel_init(void)
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{
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int retval, saved_errno;
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ctl_fd = open(CTL_DEFAULT_DEV, O_RDWR);
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2013-09-18 08:37:14 +00:00
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if (ctl_fd < 0 && errno == ENOENT) {
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2013-09-14 15:29:06 +00:00
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saved_errno = errno;
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retval = kldload("ctl");
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if (retval != -1)
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ctl_fd = open(CTL_DEFAULT_DEV, O_RDWR);
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else
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errno = saved_errno;
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}
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if (ctl_fd < 0)
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log_err(1, "failed to open %s", CTL_DEFAULT_DEV);
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}
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/*
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* Name/value pair used for per-LUN attributes.
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*/
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struct cctl_lun_nv {
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char *name;
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char *value;
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STAILQ_ENTRY(cctl_lun_nv) links;
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};
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/*
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* Backend LUN information.
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*/
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struct cctl_lun {
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uint64_t lun_id;
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char *backend_type;
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uint64_t size_blocks;
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uint32_t blocksize;
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char *serial_number;
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char *device_id;
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char *cfiscsi_target;
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char *cfiscsi_target_alias;
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int cfiscsi_lun;
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STAILQ_HEAD(,cctl_lun_nv) attr_list;
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STAILQ_ENTRY(cctl_lun) links;
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};
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struct cctl_devlist_data {
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int num_luns;
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STAILQ_HEAD(,cctl_lun) lun_list;
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struct cctl_lun *cur_lun;
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int level;
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struct sbuf *cur_sb[32];
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};
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static void
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cctl_start_element(void *user_data, const char *name, const char **attr)
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{
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int i;
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struct cctl_devlist_data *devlist;
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struct cctl_lun *cur_lun;
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devlist = (struct cctl_devlist_data *)user_data;
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cur_lun = devlist->cur_lun;
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devlist->level++;
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2013-10-09 12:17:40 +00:00
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if ((u_int)devlist->level >= (sizeof(devlist->cur_sb) /
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2013-09-14 15:29:06 +00:00
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sizeof(devlist->cur_sb[0])))
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log_errx(1, "%s: too many nesting levels, %zd max", __func__,
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sizeof(devlist->cur_sb) / sizeof(devlist->cur_sb[0]));
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devlist->cur_sb[devlist->level] = sbuf_new_auto();
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if (devlist->cur_sb[devlist->level] == NULL)
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log_err(1, "%s: unable to allocate sbuf", __func__);
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if (strcmp(name, "lun") == 0) {
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if (cur_lun != NULL)
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log_errx(1, "%s: improper lun element nesting",
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__func__);
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cur_lun = calloc(1, sizeof(*cur_lun));
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if (cur_lun == NULL)
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log_err(1, "%s: cannot allocate %zd bytes", __func__,
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sizeof(*cur_lun));
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devlist->num_luns++;
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devlist->cur_lun = cur_lun;
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STAILQ_INIT(&cur_lun->attr_list);
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STAILQ_INSERT_TAIL(&devlist->lun_list, cur_lun, links);
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for (i = 0; attr[i] != NULL; i += 2) {
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if (strcmp(attr[i], "id") == 0) {
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cur_lun->lun_id = strtoull(attr[i+1], NULL, 0);
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} else {
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log_errx(1, "%s: invalid LUN attribute %s = %s",
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__func__, attr[i], attr[i+1]);
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}
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}
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}
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}
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static void
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cctl_end_element(void *user_data, const char *name)
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{
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struct cctl_devlist_data *devlist;
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struct cctl_lun *cur_lun;
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char *str;
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devlist = (struct cctl_devlist_data *)user_data;
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cur_lun = devlist->cur_lun;
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if ((cur_lun == NULL)
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&& (strcmp(name, "ctllunlist") != 0))
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log_errx(1, "%s: cur_lun == NULL! (name = %s)", __func__, name);
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if (devlist->cur_sb[devlist->level] == NULL)
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log_errx(1, "%s: no valid sbuf at level %d (name %s)", __func__,
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devlist->level, name);
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sbuf_finish(devlist->cur_sb[devlist->level]);
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str = checked_strdup(sbuf_data(devlist->cur_sb[devlist->level]));
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if (strlen(str) == 0) {
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free(str);
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str = NULL;
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}
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sbuf_delete(devlist->cur_sb[devlist->level]);
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devlist->cur_sb[devlist->level] = NULL;
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devlist->level--;
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if (strcmp(name, "backend_type") == 0) {
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cur_lun->backend_type = str;
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str = NULL;
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} else if (strcmp(name, "size") == 0) {
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cur_lun->size_blocks = strtoull(str, NULL, 0);
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} else if (strcmp(name, "blocksize") == 0) {
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cur_lun->blocksize = strtoul(str, NULL, 0);
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} else if (strcmp(name, "serial_number") == 0) {
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cur_lun->serial_number = str;
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str = NULL;
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} else if (strcmp(name, "device_id") == 0) {
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cur_lun->device_id = str;
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str = NULL;
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} else if (strcmp(name, "cfiscsi_target") == 0) {
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cur_lun->cfiscsi_target = str;
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str = NULL;
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} else if (strcmp(name, "cfiscsi_target_alias") == 0) {
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cur_lun->cfiscsi_target_alias = str;
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str = NULL;
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} else if (strcmp(name, "cfiscsi_lun") == 0) {
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cur_lun->cfiscsi_lun = strtoul(str, NULL, 0);
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} else if (strcmp(name, "lun") == 0) {
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devlist->cur_lun = NULL;
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} else if (strcmp(name, "ctllunlist") == 0) {
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} else {
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struct cctl_lun_nv *nv;
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nv = calloc(1, sizeof(*nv));
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if (nv == NULL)
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log_err(1, "%s: can't allocate %zd bytes for nv pair",
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__func__, sizeof(*nv));
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nv->name = checked_strdup(name);
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nv->value = str;
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str = NULL;
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STAILQ_INSERT_TAIL(&cur_lun->attr_list, nv, links);
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}
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free(str);
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}
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static void
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cctl_char_handler(void *user_data, const XML_Char *str, int len)
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{
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struct cctl_devlist_data *devlist;
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devlist = (struct cctl_devlist_data *)user_data;
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sbuf_bcat(devlist->cur_sb[devlist->level], str, len);
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}
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struct conf *
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conf_new_from_kernel(void)
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{
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struct conf *conf = NULL;
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struct target *targ;
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struct lun *cl;
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struct lun_option *lo;
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struct ctl_lun_list list;
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struct cctl_devlist_data devlist;
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struct cctl_lun *lun;
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XML_Parser parser;
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char *lun_str = NULL;
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int lun_len;
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int retval;
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lun_len = 4096;
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bzero(&devlist, sizeof(devlist));
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STAILQ_INIT(&devlist.lun_list);
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log_debugx("obtaining previously configured CTL luns from the kernel");
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retry:
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lun_str = realloc(lun_str, lun_len);
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if (lun_str == NULL)
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log_err(1, "realloc");
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bzero(&list, sizeof(list));
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list.alloc_len = lun_len;
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list.status = CTL_LUN_LIST_NONE;
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list.lun_xml = lun_str;
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if (ioctl(ctl_fd, CTL_LUN_LIST, &list) == -1) {
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log_warn("error issuing CTL_LUN_LIST ioctl");
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free(lun_str);
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return (NULL);
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}
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if (list.status == CTL_LUN_LIST_ERROR) {
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log_warnx("error returned from CTL_LUN_LIST ioctl: %s",
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list.error_str);
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free(lun_str);
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return (NULL);
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}
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if (list.status == CTL_LUN_LIST_NEED_MORE_SPACE) {
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lun_len = lun_len << 1;
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goto retry;
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}
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parser = XML_ParserCreate(NULL);
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if (parser == NULL) {
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log_warnx("unable to create XML parser");
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free(lun_str);
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return (NULL);
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}
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XML_SetUserData(parser, &devlist);
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XML_SetElementHandler(parser, cctl_start_element, cctl_end_element);
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XML_SetCharacterDataHandler(parser, cctl_char_handler);
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retval = XML_Parse(parser, lun_str, strlen(lun_str), 1);
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XML_ParserFree(parser);
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free(lun_str);
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if (retval != 1) {
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log_warnx("XML_Parse failed");
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return (NULL);
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}
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conf = conf_new();
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STAILQ_FOREACH(lun, &devlist.lun_list, links) {
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struct cctl_lun_nv *nv;
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if (lun->cfiscsi_target == NULL) {
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log_debugx("CTL lun %ju wasn't managed by ctld; "
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"ignoring", (uintmax_t)lun->lun_id);
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continue;
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}
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targ = target_find(conf, lun->cfiscsi_target);
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if (targ == NULL) {
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#if 0
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log_debugx("found new kernel target %s for CTL lun %ld",
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lun->cfiscsi_target, lun->lun_id);
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#endif
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targ = target_new(conf, lun->cfiscsi_target);
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if (targ == NULL) {
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log_warnx("target_new failed");
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continue;
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}
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}
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cl = lun_find(targ, lun->cfiscsi_lun);
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if (cl != NULL) {
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log_warnx("found CTL lun %ju, backing lun %d, target "
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"%s, also backed by CTL lun %d; ignoring",
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(uintmax_t) lun->lun_id, cl->l_lun,
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2014-02-11 11:14:50 +00:00
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|
|
cl->l_target->t_name, cl->l_ctl_lun);
|
2013-09-14 15:29:06 +00:00
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
log_debugx("found CTL lun %ju, backing lun %d, target %s",
|
|
|
|
(uintmax_t)lun->lun_id, lun->cfiscsi_lun, lun->cfiscsi_target);
|
|
|
|
|
|
|
|
cl = lun_new(targ, lun->cfiscsi_lun);
|
|
|
|
if (cl == NULL) {
|
|
|
|
log_warnx("lun_new failed");
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
lun_set_backend(cl, lun->backend_type);
|
|
|
|
lun_set_blocksize(cl, lun->blocksize);
|
|
|
|
lun_set_device_id(cl, lun->device_id);
|
|
|
|
lun_set_serial(cl, lun->serial_number);
|
|
|
|
lun_set_size(cl, lun->size_blocks * cl->l_blocksize);
|
|
|
|
lun_set_ctl_lun(cl, lun->lun_id);
|
|
|
|
|
|
|
|
STAILQ_FOREACH(nv, &lun->attr_list, links) {
|
|
|
|
if (strcmp(nv->name, "file") == 0 ||
|
|
|
|
strcmp(nv->name, "dev") == 0) {
|
|
|
|
lun_set_path(cl, nv->value);
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
lo = lun_option_new(cl, nv->name, nv->value);
|
|
|
|
if (lo == NULL)
|
|
|
|
log_warnx("unable to add CTL lun option %s "
|
|
|
|
"for CTL lun %ju for lun %d, target %s",
|
|
|
|
nv->name, (uintmax_t) lun->lun_id,
|
2014-02-11 11:14:50 +00:00
|
|
|
cl->l_lun, cl->l_target->t_name);
|
2013-09-14 15:29:06 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return (conf);
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
kernel_lun_add(struct lun *lun)
|
|
|
|
{
|
|
|
|
struct lun_option *lo;
|
|
|
|
struct ctl_lun_req req;
|
|
|
|
char *tmp;
|
|
|
|
int error, i, num_options;
|
|
|
|
|
|
|
|
bzero(&req, sizeof(req));
|
|
|
|
|
|
|
|
strlcpy(req.backend, lun->l_backend, sizeof(req.backend));
|
|
|
|
req.reqtype = CTL_LUNREQ_CREATE;
|
|
|
|
|
|
|
|
req.reqdata.create.blocksize_bytes = lun->l_blocksize;
|
|
|
|
|
|
|
|
if (lun->l_size != 0)
|
|
|
|
req.reqdata.create.lun_size_bytes = lun->l_size;
|
|
|
|
|
|
|
|
req.reqdata.create.flags |= CTL_LUN_FLAG_DEV_TYPE;
|
|
|
|
req.reqdata.create.device_type = T_DIRECT;
|
|
|
|
|
|
|
|
if (lun->l_serial != NULL) {
|
2014-06-19 19:28:35 +00:00
|
|
|
strncpy(req.reqdata.create.serial_num, lun->l_serial,
|
2013-09-14 15:29:06 +00:00
|
|
|
sizeof(req.reqdata.create.serial_num));
|
|
|
|
req.reqdata.create.flags |= CTL_LUN_FLAG_SERIAL_NUM;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (lun->l_device_id != NULL) {
|
2014-06-19 19:28:35 +00:00
|
|
|
strncpy(req.reqdata.create.device_id, lun->l_device_id,
|
2013-09-14 15:29:06 +00:00
|
|
|
sizeof(req.reqdata.create.device_id));
|
|
|
|
req.reqdata.create.flags |= CTL_LUN_FLAG_DEVID;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (lun->l_path != NULL) {
|
|
|
|
lo = lun_option_find(lun, "file");
|
|
|
|
if (lo != NULL) {
|
|
|
|
lun_option_set(lo, lun->l_path);
|
|
|
|
} else {
|
|
|
|
lo = lun_option_new(lun, "file", lun->l_path);
|
|
|
|
assert(lo != NULL);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
lo = lun_option_find(lun, "cfiscsi_target");
|
|
|
|
if (lo != NULL) {
|
2014-02-11 11:14:50 +00:00
|
|
|
lun_option_set(lo, lun->l_target->t_name);
|
2013-09-14 15:29:06 +00:00
|
|
|
} else {
|
|
|
|
lo = lun_option_new(lun, "cfiscsi_target",
|
2014-02-11 11:14:50 +00:00
|
|
|
lun->l_target->t_name);
|
2013-09-14 15:29:06 +00:00
|
|
|
assert(lo != NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (lun->l_target->t_alias != NULL) {
|
|
|
|
lo = lun_option_find(lun, "cfiscsi_target_alias");
|
|
|
|
if (lo != NULL) {
|
|
|
|
lun_option_set(lo, lun->l_target->t_alias);
|
|
|
|
} else {
|
|
|
|
lo = lun_option_new(lun, "cfiscsi_target_alias",
|
|
|
|
lun->l_target->t_alias);
|
|
|
|
assert(lo != NULL);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
asprintf(&tmp, "%d", lun->l_lun);
|
|
|
|
if (tmp == NULL)
|
|
|
|
log_errx(1, "asprintf");
|
|
|
|
lo = lun_option_find(lun, "cfiscsi_lun");
|
|
|
|
if (lo != NULL) {
|
|
|
|
lun_option_set(lo, tmp);
|
|
|
|
free(tmp);
|
|
|
|
} else {
|
|
|
|
lo = lun_option_new(lun, "cfiscsi_lun", tmp);
|
|
|
|
free(tmp);
|
|
|
|
assert(lo != NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
num_options = 0;
|
|
|
|
TAILQ_FOREACH(lo, &lun->l_options, lo_next)
|
|
|
|
num_options++;
|
|
|
|
|
|
|
|
req.num_be_args = num_options;
|
|
|
|
if (num_options > 0) {
|
|
|
|
req.be_args = malloc(num_options * sizeof(*req.be_args));
|
|
|
|
if (req.be_args == NULL) {
|
|
|
|
log_warn("error allocating %zd bytes",
|
|
|
|
num_options * sizeof(*req.be_args));
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
|
|
|
|
i = 0;
|
|
|
|
TAILQ_FOREACH(lo, &lun->l_options, lo_next) {
|
|
|
|
/*
|
|
|
|
* +1 for the terminating '\0'
|
|
|
|
*/
|
|
|
|
req.be_args[i].namelen = strlen(lo->lo_name) + 1;
|
|
|
|
req.be_args[i].name = lo->lo_name;
|
|
|
|
req.be_args[i].vallen = strlen(lo->lo_value) + 1;
|
|
|
|
req.be_args[i].value = lo->lo_value;
|
|
|
|
req.be_args[i].flags = CTL_BEARG_ASCII | CTL_BEARG_RD;
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
assert(i == num_options);
|
|
|
|
}
|
|
|
|
|
|
|
|
error = ioctl(ctl_fd, CTL_LUN_REQ, &req);
|
|
|
|
free(req.be_args);
|
|
|
|
if (error != 0) {
|
|
|
|
log_warn("error issuing CTL_LUN_REQ ioctl");
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (req.status == CTL_LUN_ERROR) {
|
|
|
|
log_warnx("error returned from LUN creation request: %s",
|
|
|
|
req.error_str);
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (req.status != CTL_LUN_OK) {
|
|
|
|
log_warnx("unknown LUN creation request status %d",
|
|
|
|
req.status);
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
|
|
|
|
lun_set_ctl_lun(lun, req.reqdata.create.req_lun_id);
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
kernel_lun_resize(struct lun *lun)
|
|
|
|
{
|
|
|
|
struct ctl_lun_req req;
|
|
|
|
|
|
|
|
bzero(&req, sizeof(req));
|
|
|
|
|
|
|
|
strlcpy(req.backend, lun->l_backend, sizeof(req.backend));
|
|
|
|
req.reqtype = CTL_LUNREQ_MODIFY;
|
|
|
|
|
|
|
|
req.reqdata.modify.lun_id = lun->l_ctl_lun;
|
|
|
|
req.reqdata.modify.lun_size_bytes = lun->l_size;
|
|
|
|
|
|
|
|
if (ioctl(ctl_fd, CTL_LUN_REQ, &req) == -1) {
|
|
|
|
log_warn("error issuing CTL_LUN_REQ ioctl");
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (req.status == CTL_LUN_ERROR) {
|
|
|
|
log_warnx("error returned from LUN modification request: %s",
|
|
|
|
req.error_str);
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (req.status != CTL_LUN_OK) {
|
|
|
|
log_warnx("unknown LUN modification request status %d",
|
|
|
|
req.status);
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
kernel_lun_remove(struct lun *lun)
|
|
|
|
{
|
|
|
|
struct ctl_lun_req req;
|
|
|
|
|
|
|
|
bzero(&req, sizeof(req));
|
|
|
|
|
|
|
|
strlcpy(req.backend, lun->l_backend, sizeof(req.backend));
|
|
|
|
req.reqtype = CTL_LUNREQ_RM;
|
|
|
|
|
|
|
|
req.reqdata.rm.lun_id = lun->l_ctl_lun;
|
|
|
|
|
|
|
|
if (ioctl(ctl_fd, CTL_LUN_REQ, &req) == -1) {
|
|
|
|
log_warn("error issuing CTL_LUN_REQ ioctl");
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (req.status == CTL_LUN_ERROR) {
|
|
|
|
log_warnx("error returned from LUN removal request: %s",
|
|
|
|
req.error_str);
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (req.status != CTL_LUN_OK) {
|
|
|
|
log_warnx("unknown LUN removal request status %d", req.status);
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
kernel_handoff(struct connection *conn)
|
|
|
|
{
|
|
|
|
struct ctl_iscsi req;
|
|
|
|
|
|
|
|
bzero(&req, sizeof(req));
|
|
|
|
|
|
|
|
req.type = CTL_ISCSI_HANDOFF;
|
|
|
|
strlcpy(req.data.handoff.initiator_name,
|
|
|
|
conn->conn_initiator_name, sizeof(req.data.handoff.initiator_name));
|
|
|
|
strlcpy(req.data.handoff.initiator_addr,
|
|
|
|
conn->conn_initiator_addr, sizeof(req.data.handoff.initiator_addr));
|
|
|
|
if (conn->conn_initiator_alias != NULL) {
|
|
|
|
strlcpy(req.data.handoff.initiator_alias,
|
|
|
|
conn->conn_initiator_alias, sizeof(req.data.handoff.initiator_alias));
|
|
|
|
}
|
|
|
|
strlcpy(req.data.handoff.target_name,
|
2014-02-11 11:14:50 +00:00
|
|
|
conn->conn_target->t_name, sizeof(req.data.handoff.target_name));
|
2014-04-16 10:06:37 +00:00
|
|
|
#ifdef ICL_KERNEL_PROXY
|
|
|
|
if (proxy_mode)
|
|
|
|
req.data.handoff.connection_id = conn->conn_socket;
|
|
|
|
else
|
|
|
|
req.data.handoff.socket = conn->conn_socket;
|
|
|
|
#else
|
2013-09-14 15:29:06 +00:00
|
|
|
req.data.handoff.socket = conn->conn_socket;
|
2014-04-16 10:06:37 +00:00
|
|
|
#endif
|
2013-09-14 15:29:06 +00:00
|
|
|
req.data.handoff.portal_group_tag =
|
|
|
|
conn->conn_portal->p_portal_group->pg_tag;
|
|
|
|
if (conn->conn_header_digest == CONN_DIGEST_CRC32C)
|
|
|
|
req.data.handoff.header_digest = CTL_ISCSI_DIGEST_CRC32C;
|
|
|
|
if (conn->conn_data_digest == CONN_DIGEST_CRC32C)
|
|
|
|
req.data.handoff.data_digest = CTL_ISCSI_DIGEST_CRC32C;
|
|
|
|
req.data.handoff.cmdsn = conn->conn_cmdsn;
|
|
|
|
req.data.handoff.statsn = conn->conn_statsn;
|
|
|
|
req.data.handoff.max_recv_data_segment_length =
|
|
|
|
conn->conn_max_data_segment_length;
|
|
|
|
req.data.handoff.max_burst_length = conn->conn_max_burst_length;
|
|
|
|
req.data.handoff.immediate_data = conn->conn_immediate_data;
|
|
|
|
|
2014-04-16 10:29:34 +00:00
|
|
|
if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) {
|
2013-09-14 15:29:06 +00:00
|
|
|
log_err(1, "error issuing CTL_ISCSI ioctl; "
|
|
|
|
"dropping connection");
|
2014-04-16 10:29:34 +00:00
|
|
|
}
|
2013-09-14 15:29:06 +00:00
|
|
|
|
2014-04-16 10:29:34 +00:00
|
|
|
if (req.status != CTL_ISCSI_OK) {
|
2013-09-14 15:29:06 +00:00
|
|
|
log_errx(1, "error returned from CTL iSCSI handoff request: "
|
|
|
|
"%s; dropping connection", req.error_str);
|
2014-04-16 10:29:34 +00:00
|
|
|
}
|
2013-09-14 15:29:06 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
kernel_port_on(void)
|
|
|
|
{
|
|
|
|
struct ctl_port_entry entry;
|
|
|
|
int error;
|
|
|
|
|
2013-09-18 21:15:21 +00:00
|
|
|
bzero(&entry, sizeof(entry));
|
2013-09-14 15:29:06 +00:00
|
|
|
|
|
|
|
entry.port_type = CTL_PORT_ISCSI;
|
|
|
|
entry.targ_port = -1;
|
|
|
|
|
|
|
|
error = ioctl(ctl_fd, CTL_ENABLE_PORT, &entry);
|
|
|
|
if (error != 0) {
|
|
|
|
log_warn("CTL_ENABLE_PORT ioctl failed");
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
kernel_port_off(void)
|
|
|
|
{
|
|
|
|
struct ctl_port_entry entry;
|
|
|
|
int error;
|
|
|
|
|
2013-09-18 21:15:21 +00:00
|
|
|
bzero(&entry, sizeof(entry));
|
2013-09-14 15:29:06 +00:00
|
|
|
|
|
|
|
entry.port_type = CTL_PORT_ISCSI;
|
|
|
|
entry.targ_port = -1;
|
|
|
|
|
|
|
|
error = ioctl(ctl_fd, CTL_DISABLE_PORT, &entry);
|
|
|
|
if (error != 0) {
|
|
|
|
log_warn("CTL_DISABLE_PORT ioctl failed");
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
#ifdef ICL_KERNEL_PROXY
|
|
|
|
void
|
2014-04-16 10:29:34 +00:00
|
|
|
kernel_listen(struct addrinfo *ai, bool iser, int portal_id)
|
2013-09-14 15:29:06 +00:00
|
|
|
{
|
|
|
|
struct ctl_iscsi req;
|
|
|
|
|
|
|
|
bzero(&req, sizeof(req));
|
|
|
|
|
|
|
|
req.type = CTL_ISCSI_LISTEN;
|
|
|
|
req.data.listen.iser = iser;
|
|
|
|
req.data.listen.domain = ai->ai_family;
|
|
|
|
req.data.listen.socktype = ai->ai_socktype;
|
|
|
|
req.data.listen.protocol = ai->ai_protocol;
|
|
|
|
req.data.listen.addr = ai->ai_addr;
|
|
|
|
req.data.listen.addrlen = ai->ai_addrlen;
|
2014-04-16 10:29:34 +00:00
|
|
|
req.data.listen.portal_id = portal_id;
|
2013-09-14 15:29:06 +00:00
|
|
|
|
2014-04-16 10:29:34 +00:00
|
|
|
if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1)
|
2014-02-11 11:35:26 +00:00
|
|
|
log_err(1, "error issuing CTL_ISCSI ioctl");
|
|
|
|
|
|
|
|
if (req.status != CTL_ISCSI_OK) {
|
|
|
|
log_errx(1, "error returned from CTL iSCSI listen: %s",
|
|
|
|
req.error_str);
|
|
|
|
}
|
2013-09-14 15:29:06 +00:00
|
|
|
}
|
|
|
|
|
2014-04-16 10:29:34 +00:00
|
|
|
void
|
2014-04-16 11:00:10 +00:00
|
|
|
kernel_accept(int *connection_id, int *portal_id,
|
|
|
|
struct sockaddr *client_sa, socklen_t *client_salen)
|
2013-09-14 15:29:06 +00:00
|
|
|
{
|
|
|
|
struct ctl_iscsi req;
|
2014-04-16 11:00:10 +00:00
|
|
|
struct sockaddr_storage ss;
|
2013-09-14 15:29:06 +00:00
|
|
|
|
|
|
|
bzero(&req, sizeof(req));
|
|
|
|
|
|
|
|
req.type = CTL_ISCSI_ACCEPT;
|
2014-04-16 11:00:10 +00:00
|
|
|
req.data.accept.initiator_addr = (struct sockaddr *)&ss;
|
2013-09-14 15:29:06 +00:00
|
|
|
|
2014-04-16 10:29:34 +00:00
|
|
|
if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1)
|
|
|
|
log_err(1, "error issuing CTL_ISCSI ioctl");
|
2014-02-11 11:35:26 +00:00
|
|
|
|
|
|
|
if (req.status != CTL_ISCSI_OK) {
|
2014-04-16 10:29:34 +00:00
|
|
|
log_errx(1, "error returned from CTL iSCSI accept: %s",
|
2014-02-11 11:35:26 +00:00
|
|
|
req.error_str);
|
2013-09-14 15:29:06 +00:00
|
|
|
}
|
|
|
|
|
2014-04-16 10:29:34 +00:00
|
|
|
*connection_id = req.data.accept.connection_id;
|
|
|
|
*portal_id = req.data.accept.portal_id;
|
2014-04-16 11:00:10 +00:00
|
|
|
*client_salen = req.data.accept.initiator_addrlen;
|
|
|
|
memcpy(client_sa, &ss, *client_salen);
|
2013-09-14 15:29:06 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
kernel_send(struct pdu *pdu)
|
|
|
|
{
|
|
|
|
struct ctl_iscsi req;
|
|
|
|
|
|
|
|
bzero(&req, sizeof(req));
|
|
|
|
|
|
|
|
req.type = CTL_ISCSI_SEND;
|
|
|
|
req.data.send.connection_id = pdu->pdu_connection->conn_socket;
|
|
|
|
req.data.send.bhs = pdu->pdu_bhs;
|
|
|
|
req.data.send.data_segment_len = pdu->pdu_data_len;
|
|
|
|
req.data.send.data_segment = pdu->pdu_data;
|
|
|
|
|
2014-02-11 11:35:26 +00:00
|
|
|
if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) {
|
2013-09-14 15:29:06 +00:00
|
|
|
log_err(1, "error issuing CTL_ISCSI ioctl; "
|
|
|
|
"dropping connection");
|
2014-02-11 11:35:26 +00:00
|
|
|
}
|
2013-09-14 15:29:06 +00:00
|
|
|
|
2014-02-11 11:35:26 +00:00
|
|
|
if (req.status != CTL_ISCSI_OK) {
|
2013-09-14 15:29:06 +00:00
|
|
|
log_errx(1, "error returned from CTL iSCSI send: "
|
|
|
|
"%s; dropping connection", req.error_str);
|
2014-02-11 11:35:26 +00:00
|
|
|
}
|
2013-09-14 15:29:06 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
kernel_receive(struct pdu *pdu)
|
|
|
|
{
|
|
|
|
struct ctl_iscsi req;
|
|
|
|
|
|
|
|
pdu->pdu_data = malloc(MAX_DATA_SEGMENT_LENGTH);
|
|
|
|
if (pdu->pdu_data == NULL)
|
|
|
|
log_err(1, "malloc");
|
|
|
|
|
|
|
|
bzero(&req, sizeof(req));
|
|
|
|
|
|
|
|
req.type = CTL_ISCSI_RECEIVE;
|
|
|
|
req.data.receive.connection_id = pdu->pdu_connection->conn_socket;
|
|
|
|
req.data.receive.bhs = pdu->pdu_bhs;
|
|
|
|
req.data.receive.data_segment_len = MAX_DATA_SEGMENT_LENGTH;
|
|
|
|
req.data.receive.data_segment = pdu->pdu_data;
|
|
|
|
|
2014-02-11 11:35:26 +00:00
|
|
|
if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) {
|
2013-09-14 15:29:06 +00:00
|
|
|
log_err(1, "error issuing CTL_ISCSI ioctl; "
|
|
|
|
"dropping connection");
|
2014-02-11 11:35:26 +00:00
|
|
|
}
|
2013-09-14 15:29:06 +00:00
|
|
|
|
2014-02-11 11:35:26 +00:00
|
|
|
if (req.status != CTL_ISCSI_OK) {
|
2013-09-14 15:29:06 +00:00
|
|
|
log_errx(1, "error returned from CTL iSCSI receive: "
|
|
|
|
"%s; dropping connection", req.error_str);
|
2014-02-11 11:35:26 +00:00
|
|
|
}
|
2013-09-14 15:29:06 +00:00
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif /* ICL_KERNEL_PROXY */
|
|
|
|
|
|
|
|
/*
|
|
|
|
* XXX: I CANT INTO LATIN
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
kernel_capsicate(void)
|
|
|
|
{
|
|
|
|
int error;
|
|
|
|
cap_rights_t rights;
|
|
|
|
const unsigned long cmds[] = { CTL_ISCSI };
|
|
|
|
|
|
|
|
cap_rights_init(&rights, CAP_IOCTL);
|
|
|
|
error = cap_rights_limit(ctl_fd, &rights);
|
|
|
|
if (error != 0 && errno != ENOSYS)
|
|
|
|
log_err(1, "cap_rights_limit");
|
|
|
|
|
|
|
|
error = cap_ioctls_limit(ctl_fd, cmds,
|
|
|
|
sizeof(cmds) / sizeof(cmds[0]));
|
|
|
|
if (error != 0 && errno != ENOSYS)
|
|
|
|
log_err(1, "cap_ioctls_limit");
|
|
|
|
|
|
|
|
error = cap_enter();
|
|
|
|
if (error != 0 && errno != ENOSYS)
|
|
|
|
log_err(1, "cap_enter");
|
|
|
|
|
|
|
|
if (cap_sandboxed())
|
|
|
|
log_debugx("Capsicum capability mode enabled");
|
|
|
|
else
|
|
|
|
log_warnx("Capsicum capability mode not supported");
|
|
|
|
}
|
|
|
|
|