--- old/usr/src/lib/librdc/common/rdcrules.c	Fri Jul 27 15:35:45 2018
+++ /dev/null	Fri Jul 27 15:07:21 2018
@@ -1,545 +0,0 @@
-/*
- * 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 <sys/types.h>
-#include <sys/utsname.h>
-#include <sys/mdb_modapi.h>
-#include <stdio.h>
-#include <errno.h>
-#include <strings.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <netdb.h>
-#include <libintl.h>
-#include <sys/stream.h>
-#include <sys/socket.h>
-#include <sys/stat.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <ctype.h>
-#include <thread.h>
-#include <pthread.h>
-
-#include <sys/unistat/spcs_s.h>
-#include <sys/unistat/spcs_s_u.h>
-#include <sys/unistat/spcs_s_impl.h>
-#include <sys/unistat/spcs_errors.h>
-
-#include <sys/nsctl/rdc_io.h>
-#include <sys/nsctl/rdc_ioctl.h>
-#include <sys/nsctl/rdc_prot.h>
-#include <sys/nsctl/librdc.h>
-#include <sys/nsctl/rdcerr.h>
-#include <sys/nsctl/cfg.h>
-
-#include <sys/unistat/spcs_dtrinkets.h>
-#include <sys/unistat/spcs_etrinkets.h>
-
-#include <sys/socket.h>
-#include <sys/mnttab.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <netinet/tcp.h>
-#include <rpc/rpc_com.h>
-#include <rpc/rpc.h>
-
-#define	RDC_LOCAL_TAG	"local"
-
-/*
- * bitmap_in_use
- * return 1 if in use
- * return 0 if not in use
- * return -1 on error
- */
-
-int
-bitmap_in_use(int cmd, char *hostp, char *bmp)
-{
-	int i, setnumber;
-	CFGFILE *cfg;
-	char host[CFG_MAX_BUF];
-	char shost[CFG_MAX_BUF];
-	char pri[CFG_MAX_BUF]; /* rdc primary vol */
-	char sec[CFG_MAX_BUF]; /* rdc secondary vol */
-	char sbm[CFG_MAX_BUF]; /* rdc secondary bitmap */
-	char bit[CFG_MAX_BUF]; /* a bitmap */
-	char mas[CFG_MAX_BUF]; /* II master */
-	char sha[CFG_MAX_BUF]; /* II shadow */
-	char mod[CFG_MAX_BUF]; /* II mode */
-	char ovr[CFG_MAX_BUF]; /* II overflow */
-	char buf[CFG_MAX_BUF];
-	char key[CFG_MAX_KEY];
-	int rc;
-	int ret = 0;
-
-
-	if ((cfg = cfg_open(NULL)) == NULL) {
-		rdc_set_error(NULL, RDC_DSCFG, 0, NULL);
-		return (-1);
-	}
-	if (!cfg_lock(cfg, CFG_RDLOCK)) {
-		rdc_set_error(NULL, RDC_DSCFG, 0, NULL);
-		cfg_close(cfg);
-		return (-1);
-	}
-
-	/*
-	 * look into II config to see if this is being used elsewhere
-	 */
-	/*CSTYLED*/
-	for (i = 0; ; i++) {
-		setnumber = i + 1;
-		snprintf(key, sizeof (key), "ii.set%d", setnumber);
-		if (cfg_get_cstring(cfg, key, buf, CFG_MAX_BUF) < 0)
-			break;
-
-		rc = sscanf(buf, "%s %s %s %s %s", mas, sha, bit, mod, ovr);
-		if (rc != 5) {
-			rdc_set_error(NULL, RDC_OS, 0, NULL);
-			    ret = -1;
-			    goto done;
-		}
-
-		/*
-		 * got master shadow bitmap, now compare
-		 */
-		if ((strcmp(bmp, mas) == 0) ||
-		    (strcmp(bmp, sha) == 0) ||
-		    (strcmp(bmp, bit) == 0) ||
-		    (strcmp(bmp, ovr) == 0)) {
-			rdc_set_error(NULL, RDC_INTERNAL, RDC_NONFATAL,
-			    "bitmap %s is in use by"
-			    "Point-in-Time Copy", bmp);
-			ret = 1;
-			goto done;
-		}
-	}
-	/*
-	 * and last but not least, make sure sndr is not using vol for anything
-	 */
-	/*CSTYLED*/
-	for (i = 0; ; i++) {
-		setnumber = i + 1;
-		snprintf(key, sizeof (key), "sndr.set%d", setnumber);
-		if (cfg_get_cstring(cfg, key, buf, CFG_MAX_BUF) < 0)
-			break;
-		/*
-		 * I think this is quicker than
-		 * having to double dip into the config
-		 */
-		(void) sscanf(buf, "%s %s %s %s %s %s", host, pri, bit,
-		    shost, sec, sbm);
-		if (cmd == RDC_CMD_ENABLE) {
-			if (self_check(host)) {
-				if ((strcmp(bmp, pri) == 0) ||
-				    (strcmp(bmp, bit) == 0)) {
-					rdc_set_error(NULL, RDC_INTERNAL,
-					    RDC_NONFATAL, dgettext("librdc",
-					    "bitmap %s is in use by %s"),
-					    bmp, RDC_NAME_DU_JOUR);
-
-
-				    ret = 1;
-				    goto done;
-				}
-			} else {
-				if ((strcmp(bmp, sec) == 0) ||
-				    (strcmp(bmp, sbm) == 0)) {
-					rdc_set_error(NULL, RDC_INTERNAL,
-					    RDC_NONFATAL, dgettext("librdc",
-					    "bitmap %s is in use by %s"),
-					    bmp, RDC_NAME_DU_JOUR);
-				    ret = 1;
-				    goto done;
-				}
-			}
-		} else if (cmd == RDC_CMD_RECONFIG) {
-
-			/*
-			 * read this logic 1000 times and consider
-			 * multi homed, one to many, many to one (marketing)
-			 * etc, etc, before changing
-			 */
-			if (self_check(hostp)) {
-				if (self_check(host)) {
-					if ((strcmp(bmp, pri) == 0) ||
-					    (strcmp(bmp, bit) == 0)) {
-						rdc_set_error(NULL,
-						    RDC_INTERNAL, RDC_NONFATAL,
-						    dgettext("librdc", "bitmap"
-						    " %s is in use by %s"),
-						    bmp, RDC_NAME_DU_JOUR);
-						ret = 1;
-						goto done;
-					}
-				} else {
-					if ((strcmp(hostp, shost) == 0) &&
-					    (strcmp(bmp, sec) == 0) ||
-					    (strcmp(bmp, sbm) == 0)) {
-						rdc_set_error(NULL,
-						    RDC_INTERNAL, RDC_NONFATAL,
-						    dgettext("librdc", "bitmap"
-						    " %s is in use by %s"),
-						    bmp, RDC_NAME_DU_JOUR);
-						ret = 1;
-						goto done;
-					}
-				}
-			} else { /* self_check(hostp) failed */
-				if (self_check(host)) {
-					if ((strcmp(shost, hostp) == 0) &&
-					    (strcmp(bmp, sec) == 0) ||
-					    (strcmp(bmp, sbm) == 0)) {
-						rdc_set_error(NULL,
-						    RDC_INTERNAL, RDC_NONFATAL,
-						    dgettext("librdc", "bitmap"
-						    " %s is in use by %s"),
-						    bmp, RDC_NAME_DU_JOUR);
-						ret = 1;
-						goto done;
-					}
-				} else {
-					if ((strcmp(host, hostp) == 0) &&
-					    (strcmp(bmp, pri) == 0) ||
-					    (strcmp(bmp, bit) == 0)) {
-						rdc_set_error(NULL,
-						    RDC_INTERNAL, RDC_NONFATAL,
-						    dgettext("librdc", "bitmap"
-						    " %s is in use by %s"),
-						    bmp, RDC_NAME_DU_JOUR);
-						ret = 1;
-						goto done;
-					}
-				}
-			}
-
-		}
-
-	}
-done:
-	cfg_close(cfg);
-	return (ret);
-
-}
-
-int
-check_dgislocal(char *dgname)
-{
-	char *othernode;
-	int rc;
-
-	/*
-	 * check where this disk service is mastered
-	 */
-
-	rc = cfg_dgname_islocal(dgname, &othernode);
-	if (rc < 0) {
-		rdc_set_error(NULL, RDC_INTERNAL, RDC_NONFATAL,
-		    gettext("unable to find "
-		    "disk service, %s: %s"), dgname, strerror(errno));
-		    return (-1);
-	}
-
-	if (rc == 0) {
-		rdc_set_error(NULL, RDC_INTERNAL, RDC_NONFATAL,
-		    gettext("disk service, %s, is "
-		    "active on node \"%s\"\nPlease re-issue "
-		    "the command on that node"), dgname, othernode);
-		    return (-1);
-	}
-	return (DCMD_OK);
-}
-
-int
-ctag_check(rdcconfig_t *rdc)
-{
-	char *file_dgname;
-	char *bmp_dgname;
-	char *fromhost, *tohost;
-	char *fromfile, *tofile;
-	char *frombitmap, *tobitmap;
-	char *localfile;
-	char *ctag;
-	char file_buf[MAX_RDC_HOST_SIZE];
-	char bmp_buf[MAX_RDC_HOST_SIZE];
-	int is_primary;
-	int islocal = 0;
-	struct hostent *hp;
-	char fromname[MAXHOSTNAMELEN], toname[MAXHOSTNAMELEN];
-
-	fromhost = rdc->phost;
-	fromfile = rdc->pfile;
-	frombitmap = rdc->pbmp;
-	tohost = rdc->shost;
-	tofile = rdc->sfile;
-	tobitmap = rdc->sbmp;
-	ctag = rdc->ctag;
-
-	/*
-	 * Check for the special (local) cluster tag
-	 */
-	if (!cfg_iscluster())
-		return (0);
-
-	if (ctag != NULL && strcmp(rdc->ctag, RDC_LOCAL_TAG) == 0) {
-		strcpy(rdc->ctag, "-");
-		islocal = TRUE;
-	} else {
-		islocal = FALSE;
-	}
-
-	hp = gethost_byname(fromhost);
-	strncpy(fromname, hp->h_name, MAXHOSTNAMELEN);
-	hp = gethost_byname(tohost);
-	strncpy(toname, hp->h_name, MAXHOSTNAMELEN);
-	if (!self_check(fromname) && !self_check(toname)) {
-		/*
-		 * If we could get a list of logical hosts on this cluster
-		 * then we could print something intelligent about where
-		 * the volume is mastered. For now, just print some babble
-		 * about the fact that we have no idea.
-		 */
-			rdc_set_error(NULL, RDC_INTERNAL, RDC_NONFATAL,
-				gettext("either %s:%s or %s:%s is not local"),
-					fromhost, fromfile, tohost, tofile);
-			return (-1);
-	}
-
-	is_primary = self_check(fromname);
-
-	/*
-	 * If implicit disk group name and no ctag specified by user,
-	 * we set the ctag to it.
-	 * If implicit disk group name, it must match any supplied ctag.
-	 */
-	if (is_primary)
-		localfile = fromfile;
-	else
-		localfile = tofile;
-	file_dgname = cfg_dgname(localfile, file_buf, sizeof (file_buf));
-	if (file_dgname != NULL && file_dgname[0] != '\0')
-		if (check_dgislocal(file_dgname) < 0) {
-			/* errors already set */
-			return (-1);
-		}
-
-	if (strlen(ctag) == 0 && file_dgname && strlen(file_dgname))
-		strncpy(ctag, file_dgname, MAX_RDC_HOST_SIZE);
-
-	/*
-	 * making an exception here for users giving the "local"tag
-	 * this overrides this error message. (rdc_islocal ! = 1)
-	 */
-	if (strlen(ctag) != 0 && file_dgname && islocal != 1 &&
-	    strlen(file_dgname) != 0 &&
-	    strncmp(ctag, file_dgname, MAX_RDC_HOST_SIZE) != 0) {
-		rdc_set_error(NULL, RDC_INTERNAL, RDC_NONFATAL,
-		    gettext("ctag \"%s\" does not "
-		    "match disk group name \"%s\" of volume %s"), ctag,
-		    file_dgname, localfile);
-		return (-1);
-	}
-	if ((file_dgname == NULL) || ((strlen(ctag) == 0) &&
-	    (strlen(file_dgname) == 0))) {
-		/*
-		 * we must have a non-volume managed disk here
-		 * so ask for a tag and get out
-		 */
-		rdc_set_error(NULL, RDC_INTERNAL, RDC_NONFATAL,
-		    gettext("volume \"%s\" is not part"
-		    " of a disk group,\nplease specify resource ctag\n"),
-		    localfile);
-
-	}
-
-	/*
-	 * Local bitmap must also have same ctag.
-	 */
-	if (is_primary)
-		localfile = frombitmap;
-	else
-		localfile = tobitmap;
-	bmp_dgname = cfg_dgname(localfile, bmp_buf, sizeof (bmp_buf));
-	if (bmp_dgname != NULL && bmp_dgname[0] != '\0')
-		if (check_dgislocal(bmp_dgname) < 0) {
-			/* error already set */
-			return (-1);
-		}
-
-	if (file_dgname && strlen(file_dgname) != 0) {
-		/* File is in a real disk group */
-		if ((bmp_dgname == NULL) || (strlen(bmp_dgname) == 0)) {
-			/* Bitmap is not in a real disk group */
-			rdc_set_error(NULL, RDC_INTERNAL, RDC_NONFATAL,
-			    gettext("bitmap %s is not in disk group \"%s\""),
-			    localfile, islocal < 1?file_dgname:ctag);
-			return (-1);
-		}
-	}
-	if (strlen(ctag) != 0 && bmp_dgname && islocal != 1 &&
-	    strlen(bmp_dgname) != 0 &&
-	    strncmp(ctag, bmp_dgname, MAX_RDC_HOST_SIZE) != 0) {
-		rdc_set_error(NULL, RDC_INTERNAL, RDC_NONFATAL,
-		    gettext("ctag \"%s\" does not "
-		    "match disk group name \"%s\" of bitmap %s"),
-		    ctag, bmp_dgname, localfile);
-		return (-1);
-	}
-
-	return (0);
-}
-int
-mounted(char *device)
-{
-	char target[NSC_MAXPATH];
-	struct mnttab mntref;
-	struct mnttab mntent;
-	FILE *mntfp;
-	int rdsk;
-	char *s;
-	int rc;
-	int i;
-
-	rdsk = i = 0;
-	for (s = target; i < NSC_MAXPATH && (*s = *device++); i++) {
-		if (*s == 'r' && rdsk == 0 && strncmp(device, "dsk/", 4) == 0)
-			rdsk = 1;
-		else
-			s++;
-	}
-	*s = '\0';
-
-	mntref.mnt_special = target;
-	mntref.mnt_mountp = NULL;
-	mntref.mnt_fstype = NULL;
-	mntref.mnt_mntopts = NULL;
-	mntref.mnt_time = NULL;
-
-	mntfp = fopen(MNTTAB, "r");
-
-	if (mntfp == NULL) {
-		/* Assume the worst, that it is mounted */
-		return (1);
-	}
-
-	if ((rc = getmntany(mntfp, &mntent, &mntref)) != -1) {
-		/* found something before EOF */
-		fclose(mntfp);
-		return (1);
-	}
-
-	fclose(mntfp);
-	return (0);
-}
-
-int
-can_enable(rdcconfig_t *rdc)
-{
-	struct stat stb;
-
-	if ((strcmp(rdc->pfile, rdc->pbmp) == 0) ||
-	    (strcmp(rdc->sfile, rdc->sbmp) == 0)) {
-		rdc_set_error(NULL, RDC_INTERNAL, RDC_NONFATAL,
-		dgettext("librdc", "volumes and bitmaps must not match"));
-		return (0);
-	}
-	if (ctag_check(rdc) < 0) {
-		/* rdc_error should already be set */
-		return (0);
-	}
-
-	if (self_check(rdc->phost)) {
-		if (stat(rdc->pfile, &stb) != 0) {
-			rdc_set_error(NULL, RDC_OS, RDC_FATAL, NULL);
-			return (0);
-		}
-		if (!S_ISCHR(stb.st_mode)) {
-			rdc_set_error(NULL, RDC_INTERNAL, RDC_NONFATAL,
-			    dgettext("librdc", "%s is not a character device"),
-			    rdc->pfile);
-			return (0);
-		}
-		return (rdc->persist ?
-		    !bitmap_in_use(RDC_CMD_ENABLE, rdc->phost, rdc->pbmp) : 1);
-	} else { /* on the secondary */
-		if (stat(rdc->sfile, &stb) != 0) {
-			rdc_set_error(NULL, RDC_OS, 0,
-			    dgettext("librdc", "unable to access %s: %s"),
-			    rdc->sfile, strerror(errno));
-		}
-		if (!S_ISCHR(stb.st_mode)) {
-			rdc_set_error(NULL, RDC_INTERNAL, RDC_NONFATAL,
-			    dgettext("librdc",
-			    "%s is not a character device"), rdc->sfile);
-		}
-		return (rdc->persist ?
-		    !bitmap_in_use(RDC_CMD_ENABLE, rdc->shost, rdc->sbmp) : 1);
-	}
-}
-
-int
-can_reconfig_pbmp(rdcconfig_t *rdc, char *bmp)
-{
-	if (!rdc->persist)
-		return (0);
-
-	return (!bitmap_in_use(RDC_CMD_RECONFIG, rdc->phost, bmp));
-}
-
-int
-can_reconfig_sbmp(rdcconfig_t *rdc, char *bmp)
-{
-	if (!rdc->persist)
-		return (0);
-
-	return (!bitmap_in_use(RDC_CMD_RECONFIG, rdc->shost, bmp));
-}
-
-rdc_rc_t *
-cant_rsync(rdcconfig_t *rdc)
-{
-	rdc_rc_t *rc;
-
-	if (mounted(rdc->pfile)) {
-		rc = new_rc();
-		if (rc == NULL)
-			return (NULL);
-		strncpy(rc->set.phost, rdc->phost, MAX_RDC_HOST_SIZE);
-		strncpy(rc->set.pfile, rdc->pfile, NSC_MAXPATH);
-		strncpy(rc->set.pbmp, rdc->pbmp, NSC_MAXPATH);
-		strncpy(rc->set.shost, rdc->shost, MAX_RDC_HOST_SIZE);
-		strncpy(rc->set.sfile, rdc->sfile, NSC_MAXPATH);
-		strncpy(rc->set.sbmp, rdc->sbmp, NSC_MAXPATH);
-
-		rc->rc = -1;
-
-		rdc_set_error(NULL, RDC_INTERNAL, 0, "unable to sync %s volume"
-		    " is currently mounted", rdc->pfile);
-		strncpy(rc->msg, rdc_error(NULL), RDC_ERR_SIZE);
-
-		return (rc);
-	}
-	return (NULL);
-}
