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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <stdlib.h>
#include <stdio.h>
#include <strings.h>
#include <sys/types.h>
#include <unistd.h>
#include <stropts.h>
#include <libintl.h>
#include <errno.h>
#include <time.h>
#include <string.h>
#include <assert.h>
#include <getopt.h>
#include <cmdparse.h>
#include <signal.h>
#include <pthread.h>
#include <fcntl.h>
#include <locale.h>
#include <sys/systeminfo.h>
#include <libiscsit.h>
#include <sys/iscsit/iscsit_common.h>
static int it_enable(int, char **, cmdOptions_t *, void *);
static int it_disable(int, char **, cmdOptions_t *, void *);
/*
* MAJOR - This should only change when there is an incompatible change made
* to the interfaces or the output.
*
* MINOR - This should change whenever there is a new command or new feature
* with no incompatible change.
*/
#define VERSION_STRING_MAJOR "1"
#define VERSION_STRING_MINOR "0"
#define VERSION_STRING_MAX_LEN 10
/* 10 ms sleep in nanoseconds */
#define TEN_MS_NANOSLEEP 10000000
/* tables set up based on cmdparse instructions */
/* add new options here */
optionTbl_t longOptions[] = {
{NULL, 0, 0, 0}
};
/*
* Add new subcommands here
*/
subCommandProps_t subcommands[] = {
{"start", it_enable, NULL, NULL, NULL, OPERAND_NONE, NULL},
{"stop", it_disable, NULL, NULL, NULL, OPERAND_NONE, NULL},
{NULL, 0, NULL, NULL, 0, NULL, 0, NULL}
};
/* globals */
char *cmdName;
/*
* Opens the iSCSI Target Node
*
* fd - Return the iscsit file descriptor
*/
static int
it_open(int *fd)
{
int ret = ITADM_SUCCESS;
*fd = open(ISCSIT_NODE, O_RDONLY);
if (*fd < 0) {
if (errno == EPERM) {
(void) fprintf(stdout, "open failed: EPERM");
ret = ITADM_PERM;
} else {
(void) fprintf(stdout, "open failed: INVALID");
ret = ITADM_INVALID;
}
}
return (ret);
}
/*
* Enables the iSCSI Target
*/
/*ARGSUSED*/
static int
it_enable(int operandLen, char *operands[], cmdOptions_t *options,
void *args)
{
int ret;
int fd;
char buf[256];
uint32_t *buflenp;
char *fqhnp;
iscsit_hostinfo_t hostinfo;
(void) fprintf(stdout, "%s: %s\n", cmdName,
gettext("Requesting to enable iscsi target"));
bzero(buf, 256);
bzero(hostinfo.fqhn, sizeof (hostinfo.fqhn));
/* Open the iscsi target node */
if ((ret = it_open(&fd)) != ITADM_SUCCESS) {
(void) fprintf(stdout, "Unable to open device %s", ISCSIT_NODE);
return (ret);
}
(void) fprintf(stdout, "it_enable [fd=%d]\n", fd);
/* enable the iscsi target */
buflenp = (uint32_t *)((void *)&buf);
*buflenp = strlen("target_name") + 1;
(void) strncpy(buf + sizeof (uint32_t), "target_name",
256 - sizeof (uint32_t));
fqhnp = &hostinfo.fqhn[0];
ret = sysinfo(SI_HOSTNAME, fqhnp, 256);
if ((ret != -1) && (ret < sizeof (hostinfo.fqhn))) {
fqhnp += ret;
hostinfo.length = ret;
hostinfo.fqhn[ret-1] = '.';
hostinfo.length += sysinfo(SI_SRPC_DOMAIN, fqhnp,
sizeof (hostinfo.fqhn) - ret);
}
(void) fprintf(stdout, "it_enable: fqhn = '%s'\n", hostinfo.fqhn);
if ((ret = ioctl(fd, ISCSIT_IOC_ENABLE_SVC, &hostinfo)) != 0) {
(void) fprintf(stdout, "Unable to issue ioctl: %d", errno);
return (ret);
}
return (ITADM_SUCCESS);
}
/*
* Disable the iSCSI target
*/
/* ARGSUSED */
static int
it_disable(int operandLen, char *operands[], cmdOptions_t *options,
void *args)
{
int ret;
int fd;
(void) fprintf(stdout, "%s: %s\n", cmdName,
gettext("Requesting to disable iscsi target"));
/* Open the iscsi target node */
if ((ret = it_open(&fd)) != ITADM_SUCCESS) {
return (ret);
}
/* disable the iSCSI target */
if ((ret = ioctl(fd, ISCSIT_IOC_DISABLE_SVC, NULL)) != 0) {
return (ret);
}
return (ITADM_SUCCESS);
}
/*
* input:
* execFullName - exec name of program (argv[0])
*
* copied from usr/src/cmd/zoneadm/zoneadm.c in OS/Net
* (changed name to lowerCamelCase to keep consistent with this file)
*
* Returns:
* command name portion of execFullName
*/
static char *
getExecBasename(char *execFullname)
{
char *lastSlash, *execBasename;
/* guard against '/' at end of command invocation */
for (;;) {
lastSlash = strrchr(execFullname, '/');
if (lastSlash == NULL) {
execBasename = execFullname;
break;
} else {
execBasename = lastSlash + 1;
if (*execBasename == '\0') {
*lastSlash = '\0';
continue;
}
break;
}
}
return (execBasename);
}
int
main(int argc, char *argv[])
{
synTables_t synTables;
char versionString[VERSION_STRING_MAX_LEN];
int ret;
int funcRet;
void *subcommandArgs = NULL;
(void) setlocale(LC_ALL, "");
/* set global command name */
cmdName = getExecBasename(argv[0]);
(void) snprintf(versionString, VERSION_STRING_MAX_LEN, "%s.%s",
VERSION_STRING_MAJOR, VERSION_STRING_MINOR);
synTables.versionString = versionString;
synTables.longOptionTbl = &longOptions[0];
synTables.subCommandPropsTbl = &subcommands[0];
ret = cmdParse(argc, argv, synTables, subcommandArgs, &funcRet);
if (ret != 0) {
return (ret);
}
return (funcRet);
} /* end main */
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