/*
 * Copyright 2000, International Business Machines Corporation and others.
 * All Rights Reserved.
 * 
 * This software has been released under the terms of the IBM Public
 * License.  For details, see the LICENSE file in the top-level source
 * directory or online at http://www.openafs.org/dl/license10.html
 */

#include <afsconfig.h>
#include <afs/param.h>

RCSID("$Header: /cvs/openafs/src/volser/volprocs.c,v 1.6.2.3 2003/05/15 14:11:36 shadow Exp $");

#include <stdio.h>
#include <sys/types.h>
#include <errno.h>
#ifdef AFS_NT40_ENV
#include <fcntl.h>
#include <winsock2.h>
#else
#include <sys/file.h>
#include <netinet/in.h>
#include <unistd.h>
#endif
#include <dirent.h>
#include <sys/stat.h>
#include <rx/xdr.h>
#include <rx/rx.h>
#include <rx/rxkad.h>
#include <afs/afsint.h>
#include <signal.h>
#include <afs/assert.h>
#include <afs/prs_fs.h>
#include <afs/nfs.h>
#include <lwp.h>
#include <lock.h>
#include <afs/auth.h>
#include <afs/cellconfig.h>
#include <afs/keys.h>
#include <ubik.h>
#include <afs/ihandle.h>
#ifdef AFS_NT40_ENV
#include <afs/ntops.h>
#endif
#include <afs/vnode.h>
#include <afs/volume.h>
#include <afs/partition.h>
#include "vol.h"
#include <afs/fssync.h>
#include <afs/acl.h>
#include "afs/audit.h"

#include "volser.h"
#include "volint.h"
extern int DoLogging;
extern struct volser_trans *FindTrans(), *NewTrans(),*TransList();
extern struct rx_securityClass *rxnull_NewServerSecurityObject();
extern struct rx_service *rx_NewService();
extern struct rx_securityClass *rxnull_NewClientSecurityObject();
extern struct afsconf_dir *tdir;
extern char *volutil_PartitionName();

/* Forward declarations */
static int GetPartName(afs_int32 partid, char *pname);

#define OneDay (24*60*60)

#ifdef AFS_NT40_ENV
#define ENOTCONN 134
#endif

afs_int32 localTid=1;
afs_int32 VolPartitionInfo(), VolNukeVolume(), VolCreateVolume(), VolDeleteVolume(), VolClone();
afs_int32 VolReClone(), VolTransCreate(), VolGetNthVolume(), VolGetFlags(), VolForward(), VolDump();
afs_int32 VolForwardMultiple();
afs_int32 VolRestore(), VolEndTrans(), VolSetForwarding(), VolGetStatus(), VolSetInfo(), VolGetName();
afs_int32 VolSignalRestore(), VolListPartitions(), VolListOneVolume(), VolXListOneVolume(), VolXListVolumes();
afs_int32 VolListVolumes(), XVolListPartitions(), VolMonitor(), VolSetIdsTypes(), VolSetDate(), VolSetFlags();

/* this call unlocks all of the partition locks we've set */
VPFullUnlock() {
    register struct DiskPartition *tp;
    for(tp = DiskPartitionList; tp; tp = tp->next) {
	if (tp->lock_fd != -1) {
	    close(tp->lock_fd);	/* releases flock held on this partition */
	    tp->lock_fd = -1;
	}
    }
    return 0;
}

/* get partition id from a name */
afs_int32 PartitionID(aname)
char *aname; {
    register char tc;
    register int code = 0;
    char ascii[3];

    tc = *aname;
    if (tc == 0) return -1;	/* unknown */

    /* otherwise check for vicepa or /vicepa, or just plain "a" */
    ascii[2] = 0;
    if (!strncmp(aname, "/vicep", 6)) {
	strncpy(ascii, aname+6, 2);
    }
    else return	-1;	/* bad partition name */
    /* now partitions are named /vicepa ... /vicepz, /vicepaa, /vicepab, .../vicepzz, and are numbered
	  from 0.  Do the appropriate conversion */
    if (ascii[1] == 0) {
	/* one char name, 0..25 */
	if (ascii[0] <	'a' || ascii[0]	> 'z')	return -1;  /* wrongo */
	return ascii[0] - 'a';
    }
    else {
	/* two char name, 26 .. <whatever> */
	if (ascii[0] <	'a' || ascii[0]	> 'z')	return -1;  /* wrongo */
	if (ascii[1] <	'a' || ascii[1]	> 'z')	return -1;  /* just as bad */
	code = (ascii[0] - 'a') * 26 + (ascii[1] - 'a') + 26;
	if (code > VOLMAXPARTS) return -1;
	return code;
    }
}

static int ConvertVolume(avol, aname, asize)
afs_int32 avol;
char *aname;
afs_int32 asize; {
    if (asize < 18) return -1;
    /* It's better using the Generic VFORMAT since otherwise we have to make changes to too many places... The 14 char limitation in names hits us again in AIX; print in field of 9 digits (still 10 for the rest), right justified with 0 padding */
    sprintf(aname, VFORMAT, avol);
    return 0;
}

static int ConvertPartition(apartno, aname, asize)
int apartno;
char *aname;
int asize; {
    if (asize < 10) return E2BIG;
    if (apartno < 0) return EINVAL;
    strcpy(aname, "/vicep");
    if (apartno < 26) {
	aname[6] = 'a'+apartno;
	aname[7] = 0;
    }
    else {
	apartno -= 26;
	aname[6] = 'a' + (apartno / 26);
	aname[7] = 'a' + (apartno % 26);
	aname[8] = 0;
    }
    return 0;
}

/* the only attach function that takes a partition is "...ByName", so we use it */
struct Volume *XAttachVolume(error, avolid, apartid, amode)
afs_int32 *error;
afs_int32 avolid;
afs_int32 apartid;
int amode; {
    char pbuf[30], vbuf[20];
    register struct Volume *tv;

    if (ConvertPartition(apartid, pbuf, sizeof(pbuf))) {
	*error = EINVAL;
	return (struct Volume *) 0;
    }
    if (ConvertVolume(avolid, vbuf, sizeof(vbuf))) {
	*error = EINVAL;
	return (struct Volume *) 0;
    }
    tv = VAttachVolumeByName(error, pbuf, vbuf, amode);
    return tv;
}

/* Adapted from the file server; create a root directory for this volume */
static ViceCreateRoot(vp)
Volume	* vp;
{
    DirHandle dir;
    struct acl_accessList * ACL;
    ViceFid	did;
    Inode inodeNumber, nearInode;
    char buf[SIZEOF_LARGEDISKVNODE];
    struct VnodeDiskObject *vnode = (struct VnodeDiskObject *) buf;
    struct VnodeClassInfo *vcp = &VnodeClassInfo[vLarge];
    IHandle_t *h;
    FdHandle_t *fdP;
    int code;
    int length;

    memset(vnode, 0, SIZEOF_LARGEDISKVNODE);    

    V_pref(vp, nearInode);
    inodeNumber = IH_CREATE(V_linkHandle(vp), V_device(vp),
			    VPartitionPath(V_partition(vp)), nearInode, 
			    V_parentId(vp), 1, 1, 0);
    assert(VALID_INO(inodeNumber));

    SetSalvageDirHandle(&dir, V_parentId(vp), vp->device, inodeNumber);
    did.Volume = V_id(vp);
    did.Vnode = (VnodeId)1;
    did.Unique = 1;

    assert(!(MakeDir(&dir, &did, &did)));
    DFlush();                                    /* flush all modified dir buffers out */
    DZap(&dir);                                  /* Remove all buffers for this dir */
    length = Length(&dir);                       /* Remember size of this directory */

    FidZap(&dir);    /* Done with the dir handle obtained via SetSalvageDirHandle() */

 /* build a single entry ACL that gives all rights to system:administrators */
 /* this section of code assumes that access list format is not going to
  * change
  */
    ACL = VVnodeDiskACL(vnode);
    ACL->size = sizeof(struct acl_accessList);
    ACL->version = ACL_ACLVERSION;
    ACL->total = 1;
    ACL->positive = 1;
    ACL->negative = 0;
    ACL->entries[0].id = -204;  /* this assumes System:administrators is group -204 */
    ACL->entries[0].rights = PRSFS_READ | PRSFS_WRITE  | PRSFS_INSERT | PRSFS_LOOKUP | PRSFS_DELETE | PRSFS_LOCK | PRSFS_ADMINISTER;

    vnode->type = vDirectory;
    vnode->cloned = 0;
    vnode->modeBits = 0777;
    vnode->linkCount = 2;
    vnode->length = length;
    vnode->uniquifier = 1;
    V_uniquifier(vp) = vnode->uniquifier+1;
    vnode->dataVersion = 1;
    VNDISK_SET_INO(vnode, inodeNumber);
    vnode->unixModifyTime = vnode->serverModifyTime = V_creationDate(vp);
    vnode->author = 0;
    vnode->owner = 0;
    vnode->parent = 0;
    vnode->vnodeMagic = vcp->magic;

    IH_INIT(h, vp->device, V_parentId(vp),
	    vp->vnodeIndex[vLarge].handle->ih_ino);
    fdP = IH_OPEN(h);
    assert(fdP != NULL);
    code = FDH_SEEK(fdP, vnodeIndexOffset(vcp, 1), SEEK_SET);
    assert(code >= 0);
    code = FDH_WRITE(fdP, vnode, SIZEOF_LARGEDISKVNODE);
    assert(code == SIZEOF_LARGEDISKVNODE);
    FDH_REALLYCLOSE(fdP);
    IH_RELEASE(h);
    V_diskused(vp) = nBlocks(vnode->length);

    return 1;
}

afs_int32 SAFSVolPartitionInfo (acid,pname,partition)
struct rx_call *acid;
char *pname;
struct diskPartition *partition;
{
  afs_int32 code;
  
  code = VolPartitionInfo (acid,pname,partition);
  osi_auditU(acid, VS_ParInfEvent, code, AUD_STR, pname, AUD_END);
  return code;
}

afs_int32 VolPartitionInfo (acid,pname,partition)
struct rx_call *acid;
char *pname;
struct diskPartition *partition;
{
    register struct DiskPartition *dp;

/*
    if (!afsconf_SuperUser(tdir, acid, caller)) return VOLSERBAD_ACCESS;
*/
    VResetDiskUsage(); 
    dp = VGetPartition(pname, 0);
    if(dp) {
	strncpy(partition->name,dp->name,32);
	strncpy(partition->devName,dp->devName,32);
	partition->lock_fd = dp->lock_fd ;
	partition->free = dp->free;
	partition->minFree = dp->totalUsable;
	return 0;
    }
    else 
	return VOLSERILLEGAL_PARTITION;
}

/* obliterate a volume completely, and slowly. */
afs_int32 SAFSVolNukeVolume (acid, apartID, avolID)
struct rx_call *acid;
afs_int32 apartID, avolID; 
{
  afs_int32 code;
  
  code = VolNukeVolume (acid, apartID, avolID);
  osi_auditU(acid, VS_NukVolEvent, code, AUD_LONG, avolID, AUD_END);
  return code;
}

afs_int32 VolNukeVolume (acid, apartID, avolID)
struct rx_call *acid;
afs_int32 apartID, avolID; 
{
    register char *tp;
    char partName[50];
    afs_int32 error;
    register afs_int32 code;
    struct Volume *tvp;
    char caller[MAXKTCNAMELEN];

    /* check for access */
    if (!afsconf_SuperUser(tdir, acid, caller)) return VOLSERBAD_ACCESS;
    if (DoLogging) Log("%s is executing VolNukeVolume %u\n", caller, avolID);

    tp = volutil_PartitionName(apartID);
    if (!tp) return VOLSERNOVOL;
    strcpy(partName, tp);	/* remember it for later */
    /* we first try to attach the volume in update mode, so that the file
     * server doesn't try to use it (and abort) while (or after) we delete it.
     * If we don't get the volume, that's fine, too.  We just won't put it back.
     */
    tvp = XAttachVolume(&error, avolID, apartID, V_UPDATE);
    code = nuke(partName, avolID);
    if (tvp) VDetachVolume(&error, tvp);
    return code;
}

/* create a new volume, with name aname, on the specified partition (1..n)
 * and of type atype (readwriteVolume, readonlyVolume, backupVolume).
 * As input, if *avolid is 0, we allocate a new volume id, otherwise we use *avolid
 * for the volume id (useful for things like volume restore).
 * Return the new volume id in *avolid.
 */
afs_int32 SAFSVolCreateVolume (acid, apart, aname, atype, aparent, avolid, atrans)
struct rx_call *acid;
afs_int32 apart;
afs_int32 atype;
char *aname;
afs_int32 aparent;
afs_int32 *atrans;
afs_int32 *avolid; 
{
  afs_int32 code;

  code = VolCreateVolume (acid, apart, aname, atype, aparent, avolid, atrans);
  osi_auditU(acid, VS_CrVolEvent, code, AUD_LONG, *atrans, 
                                        AUD_LONG, *avolid, 
	                                AUD_STR,  aname,
	                                AUD_LONG, atype,
	                                AUD_LONG, aparent,
	                                AUD_END);
  return code;
}

afs_int32 VolCreateVolume (acid, apart, aname, atype, aparent, avolid, atrans)
struct rx_call *acid;
afs_int32 apart;
afs_int32 atype;
char *aname;
afs_int32 aparent;
afs_int32 *atrans;
afs_int32 *avolid; 
{
    afs_int32 error;
    register Volume *vp;
    afs_int32 junk;	/* discardable error code */
    register afs_int32 volumeID, doCreateRoot=1;
    register struct volser_trans *tt;
    char ppath[30];
    char caller[MAXKTCNAMELEN];

    if (strlen(aname) > 31) return VOLSERBADNAME;
    if (!afsconf_SuperUser(tdir, acid, caller)) return VOLSERBAD_ACCESS;
    if (DoLogging) Log("%s is executing CreateVolume '%s'\n", caller, aname);
    if (error = ConvertPartition(apart, ppath, sizeof(ppath))) return error;/*a standard unix error*/
    if (atype != readwriteVolume && atype != readonlyVolume && atype != backupVolume)
	return EINVAL;
    if ((volumeID = *avolid) == 0) {
	
	    Log("1 Volser: CreateVolume: missing volume number; %s volume not created\n",aname);
	    return E2BIG;
	
    }
    if ((aparent == volumeID) && (atype == readwriteVolume)) {
	doCreateRoot = 0;
    }
    if (aparent == 0) aparent = volumeID;
    tt = NewTrans(volumeID, apart);
    if (!tt) {
	Log("1 createvolume: failed to create trans\n");
	return VOLSERVOLBUSY;		/* volume already busy! */
    }
    vp = VCreateVolume(&error, ppath, volumeID, aparent);
    if (error) {
	Log("1 Volser: CreateVolume: Unable to create the volume; aborted, error code %u\n",error);
	LogError(error);
	DeleteTrans(tt);
	return EIO;
    }
    V_uniquifier(vp) = 1;
    V_creationDate(vp) = V_copyDate(vp);
    V_inService(vp) = V_blessed(vp) = 1;
    V_type(vp) = atype;
    AssignVolumeName(&V_disk(vp), aname, 0);
    if (doCreateRoot)
	ViceCreateRoot(vp);
    V_destroyMe(vp) = DESTROY_ME;
    V_inService(vp) = 0;
    V_maxquota(vp) = 5000;		/* set a quota of 5000 at init time */
    VUpdateVolume(&error, vp);
    if (error) {
	Log("1 Volser: create UpdateVolume failed, code %d\n", error);
	LogError(error);
	DeleteTrans(tt);
	VDetachVolume(&junk, vp);	/* rather return the real error code */
	return error;
    }
    tt->volume = vp;
    *atrans = tt->tid;
    strcpy(tt->lastProcName,"CreateVolume");
    tt->rxCallPtr = acid;
    Log("1 Volser: CreateVolume: volume %u (%s) created\n", volumeID, aname);
    tt->rxCallPtr = (struct rx_call *)0;
    if(TRELE(tt)) return VOLSERTRELE_ERROR;
    return 0;
}

/* delete the volume associated with this transaction */
afs_int32 SAFSVolDeleteVolume (acid, atrans)
afs_int32 atrans; 
struct rx_call *acid; 
{
  afs_int32 code;

  code = VolDeleteVolume (acid, atrans);
  osi_auditU(acid, VS_DelVolEvent, code, AUD_LONG, atrans, AUD_END);
  return code;
}

afs_int32 VolDeleteVolume (acid, atrans)
afs_int32 atrans; 
struct rx_call *acid; 
{
    register struct volser_trans *tt;
    afs_int32 error;
    char caller[MAXKTCNAMELEN];

     if (!afsconf_SuperUser(tdir, acid, caller)) return VOLSERBAD_ACCESS;
    tt = FindTrans(atrans);
    if (!tt) return ENOENT;
    if (tt->vflags & VTDeleted) {
	Log("1 Volser: Delete: volume %u already deleted \n",tt->volid);
	TRELE(tt);
	return ENOENT;
    }
    if (DoLogging) Log("%s is executing Delete Volume %u\n", caller, tt->volid);
    strcpy(tt->lastProcName,"DeleteVolume");
    tt->rxCallPtr = acid;
    VPurgeVolume(&error, tt->volume);	/* don't check error code, it is not set! */
    tt->vflags |= VTDeleted;		/* so we know not to do anything else to it */
    tt->rxCallPtr = (struct rx_call *)0;
    if(TRELE(tt)) return VOLSERTRELE_ERROR;
  
    Log("1 Volser: Delete: volume %u deleted \n",tt->volid);
    return 0;	    /* vpurgevolume doesn't set an error code */
}

/* make a clone of the volume associated with atrans, possibly giving it a new
 * number (allocate a new number if *newNumber==0, otherwise use *newNumber
 * for the clone's id).  The new clone is given the name newName.  Finally, due to
 * efficiency considerations, if purgeId is non-zero, we purge that volume when doing
 * the clone operation.  This may be useful when making new backup volumes, for instance
 * since the net result of a clone and a purge generally leaves many inode ref counts
 * the same, while doing them separately would result in far more iincs and idecs being
 * peformed (and they are slow operations).
 */
afs_int32 SAFSVolClone (acid, atrans, purgeId, newType, newName, newNumber)
struct rx_call *acid;
afs_int32 atrans;
afs_int32 newType;
afs_int32 *newNumber;
afs_int32 purgeId;   /* for efficiency reasons, sometimes faster to piggyback a purge here */
char *newName; 
{
  afs_int32 code;

  code = VolClone (acid, atrans, purgeId, newType, newName, newNumber);
  osi_auditU(acid, VS_CloneEvent, code, AUD_LONG, atrans, 
	                                AUD_LONG, purgeId,
	                                AUD_STR,  newName,
	                                AUD_LONG, newType,
	                                AUD_LONG, *newNumber, AUD_END);
  return code;
}

afs_int32 VolClone (acid, atrans, purgeId, newType, newName, newNumber)
struct rx_call *acid;
afs_int32 atrans;
afs_int32 newType;
afs_int32 *newNumber;
afs_int32 purgeId;   /* for efficiency reasons, sometimes faster to piggyback a purge here */
char *newName; 
{
    VolumeId newId;
    register struct Volume *originalvp, *purgevp, *newvp;
    Error error, code;
    register struct volser_trans *tt,*ttc;
    char caller[MAXKTCNAMELEN];
    
    if (strlen(newName)>31) return VOLSERBADNAME;
    if (!afsconf_SuperUser(tdir, acid, caller)) return VOLSERBAD_ACCESS;/*not a super user*/
    if (DoLogging) Log("%s is executing Clone Volume new name=%s\n", caller, newName);
    error = 0;
    originalvp = (Volume *) 0;
    purgevp = (Volume *) 0;
    newvp = (Volume *) 0;
    tt = ttc = (struct volser_trans *) 0;

    if (!newNumber || !*newNumber) 
    {
        Log("1 Volser: Clone: missing volume number for the clone; aborted\n");
	goto fail;
    }
    newId = *newNumber;

    if (newType != readonlyVolume && newType != backupVolume)
	return EINVAL;
    tt = FindTrans(atrans);
    if (!tt) return ENOENT;
    if (tt->vflags & VTDeleted) {
	Log("1 Volser: Clone: volume %u has been deleted \n",tt->volid);
	TRELE(tt);
	return ENOENT;
    }
    ttc = NewTrans(newId,tt->partition);
    if (!ttc) 
    {                              /* someone is messing with the clone already */
	TRELE(tt);
	return VBUSY;
    }
    strcpy(tt->lastProcName,"Clone");
    tt->rxCallPtr = acid;
    
    
    if (purgeId) {
	purgevp = VAttachVolume(&error, purgeId, V_UPDATE);
	if (error) {
	    Log("1 Volser: Clone: Could not attach 'purge' volume %u; clone aborted\n", purgeId);
	    goto fail;
	}
    }
    else {
	purgevp = (struct Volume *) 0;
    }
    originalvp = tt->volume;
    if ((V_type(originalvp) == backupVolume) || (V_type(originalvp) == readonlyVolume)){
	 Log("1 Volser: Clone: The volume to be cloned must be a read/write; aborted\n");
	error = EROFS;
	goto fail;
    }
    if ((V_destroyMe(originalvp) == DESTROY_ME) || !V_inService(originalvp)) {
       Log("1 Volser: Clone: Volume %d is offline and cannot be cloned\n",
	   V_id(originalvp));
       error = VOFFLINE;
       goto fail;
    }
    if (purgevp) {
	if (originalvp->device != purgevp->device) {
	     Log("1 Volser: Clone: Volumes %u and %u are on different devices\n", tt->volid, purgeId);
	    error = EXDEV;
	    goto fail;
	}
	if (V_type(purgevp) != readonlyVolume) {
	     Log("1 Volser: Clone: The \"purge\" volume must be a read only volume; aborted\n");
	    error = EINVAL;
	    goto fail;
	}
	if (V_type(originalvp) == readonlyVolume && V_parentId(originalvp) != V_parentId(purgevp)) {
	    Log("1 Volser: Clone: Volume %u and volume %u were not cloned from the same parent volume; aborted\n", tt->volid, purgeId);
	    error = EXDEV;
	    goto fail;
	}
	if (V_type(originalvp) == readwriteVolume && tt->volid != V_parentId(purgevp)) {
	     Log("1 Volser: Clone: Volume %u was not originally cloned from volume %u; aborted\n",
		purgeId, tt->volid);
	    error = EXDEV;
	    goto fail;
	}
    }

    error = 0;

    newvp = VCreateVolume(&error, originalvp->partition->name, newId, V_parentId(originalvp));
    if (error) {
	Log("1 Volser: Clone: Couldn't create new volume; clone aborted\n");
	newvp = (Volume *) 0;
	goto fail;
    }
    if (newType == readonlyVolume)
	V_cloneId(originalvp) = newId;
     Log("1 Volser: Clone: Cloning volume %u to new volume %u\n", tt->volid, newId);
    if (purgevp)
    	 Log("1 Volser: Clone: Purging old read only volume %u\n", purgeId);
    CloneVolume(&error, originalvp, newvp, purgevp);
    purgevp = (struct Volume *)	0;  /* clone releases it, maybe even if error */
    if (error) {
	 Log("1 Volser: Clone: clone operation failed with code %d\n", error);
	 LogError(error);
	goto fail;
    }
    if (newType == readonlyVolume) {
	AssignVolumeName(&V_disk(newvp), V_name(originalvp), ".readonly");
	V_type(newvp) = readonlyVolume;
    }
    else if (newType == backupVolume) {
	AssignVolumeName(&V_disk(newvp), V_name(originalvp), ".backup");
	V_type(newvp) = backupVolume;
	V_backupId(originalvp) = newId;
    }
    strcpy(newvp->header->diskstuff.name,newName);
    V_creationDate(newvp) = V_copyDate(newvp);
    ClearVolumeStats(&V_disk(newvp));
    V_destroyMe(newvp) = DESTROY_ME;
    V_inService(newvp) = 0;
    if (newType == backupVolume) {
	V_backupDate(originalvp) = V_copyDate(newvp);
	V_backupDate(newvp) = V_copyDate(newvp);
    }
    V_inUse(newvp) = 0;
    VUpdateVolume(&error, newvp);
    if (error) {
	 Log("1 Volser: Clone: VUpdate failed code %d\n", error);
	 LogError(error);
	goto fail;
    }
    VDetachVolume(&error, newvp); /* allow file server to get it's hands on it */
    newvp = (struct Volume *) 0;
    VUpdateVolume(&error, originalvp);
    if (error) {
	 Log("1 Volser: Clone: original update %d\n", error);
	 LogError(error);
	goto fail;
    }
    tt->rxCallPtr = (struct rx_call *)0;
    if(TRELE(tt)){
	tt = (struct volser_trans *) 0;
	error = VOLSERTRELE_ERROR;
	goto fail;
    }
    DeleteTrans(ttc);
    return 0;

fail:
    if (purgevp) VDetachVolume(&code, purgevp);
    if (newvp) VDetachVolume(&code, newvp);
    if (tt) {
	tt->rxCallPtr = (struct rx_call *)0;
	TRELE(tt);
    }
    if(ttc) DeleteTrans(ttc);
    return error;
}

/* reclone this volume into the specified id */
afs_int32 SAFSVolReClone (acid, atrans, cloneId)
struct rx_call *acid;
afs_int32 atrans;
afs_int32 cloneId; 
{
  afs_int32 code;

  code = VolReClone (acid, atrans, cloneId);
  osi_auditU(acid, VS_ReCloneEvent, code, AUD_LONG, atrans, AUD_LONG, cloneId, AUD_END);
  return code;
}

afs_int32 VolReClone (acid, atrans, cloneId)
struct rx_call *acid;
afs_int32 atrans;
afs_int32 cloneId; 
{
    register struct Volume *originalvp, *clonevp;
    Error error, code;
    afs_int32 newType;
    register struct volser_trans *tt,*ttc;
    char caller[MAXKTCNAMELEN];
    
    /*not a super user*/
    if (!afsconf_SuperUser(tdir, acid, caller)) return VOLSERBAD_ACCESS;
    if (DoLogging) Log("%s is executing Reclone Volume %u\n", caller, cloneId);
    error = 0;
    clonevp = originalvp = (Volume *) 0;
    tt = (struct volser_trans *) 0;

    tt = FindTrans(atrans);
    if (!tt) return ENOENT;
    if (tt->vflags & VTDeleted) {
	Log("1 Volser: VolReClone: volume %u has been deleted \n",tt->volid);
	TRELE(tt);
	return ENOENT;
    }
    ttc = NewTrans(cloneId, tt->partition);
    if (!ttc){ /* someone is messing with the clone already */
	TRELE(tt);
	return VBUSY;
    }
    strcpy(tt->lastProcName,"ReClone");
    tt->rxCallPtr = acid;
    
    originalvp = tt->volume;
    if ((V_type(originalvp) == backupVolume) ||
	(V_type(originalvp) == readonlyVolume)){
	 Log("1 Volser: Clone: The volume to be cloned must be a read/write; aborted\n");
	error = EROFS;
	goto fail;
    }
    if ((V_destroyMe(originalvp) == DESTROY_ME) || !V_inService(originalvp)) {
       Log("1 Volser: Clone: Volume %d is offline and cannot be cloned\n",
	   V_id(originalvp));
       error = VOFFLINE;
       goto fail;
    }

    clonevp = VAttachVolume(&error, cloneId, V_UPDATE);
    if (error) {
	Log("1 Volser: can't attach clone %d\n", cloneId);
	goto fail;
    }

    newType = V_type(clonevp);		/* type of the new volume */

    if (originalvp->device != clonevp->device) {
	Log("1 Volser: Clone: Volumes %u and %u are on different devices\n", tt->volid, cloneId);
	error = EXDEV;
	goto fail;
    }
    if (V_type(clonevp) != readonlyVolume && V_type(clonevp) != backupVolume) {
	Log("1 Volser: Clone: The \"recloned\" volume must be a read only volume; aborted\n");
	error = EINVAL;
	goto fail;
    }
    if (V_type(originalvp) == readonlyVolume && V_parentId(originalvp) != V_parentId(clonevp)) {
	Log("1 Volser: Clone: Volume %u and volume %u were not cloned from the same parent volume; aborted\n", tt->volid, cloneId);
	error = EXDEV;
	goto fail;
    }
    if (V_type(originalvp) == readwriteVolume && tt->volid != V_parentId(clonevp)) {
	Log("1 Volser: Clone: Volume %u was not originally cloned from volume %u; aborted\n",
	    cloneId, tt->volid);
	error = EXDEV;
	goto fail;
    }

    error = 0;
    Log("1 Volser: Clone: Recloning volume %u to volume %u\n",
	tt->volid, cloneId);
    CloneVolume(&error, originalvp, clonevp, clonevp);
    if (error) {
	Log("1 Volser: Clone: reclone operation failed with code %d\n", error);
	LogError(error);
	goto fail;
    }

    /* fix up volume name and type, CloneVolume just propagated RW's */
    if (newType == readonlyVolume) {
	AssignVolumeName(&V_disk(clonevp), V_name(originalvp), ".readonly");
	V_type(clonevp) = readonlyVolume;
    }
    else if (newType == backupVolume) {
	AssignVolumeName(&V_disk(clonevp), V_name(originalvp), ".backup");
	V_type(clonevp) = backupVolume;
	V_backupId(originalvp) = cloneId;
    }
    /* don't do strcpy onto diskstuff.name, it's still OK from 1st clone */

    /* pretend recloned volume is a totally new instance */
    V_copyDate(clonevp) = time(0);
    V_creationDate(clonevp) = V_copyDate(clonevp);
    ClearVolumeStats(&V_disk(clonevp));
    V_destroyMe(clonevp) = 0;
    V_inService(clonevp) = 0;
    if (newType == backupVolume) {
	V_backupDate(originalvp) = V_copyDate(clonevp);
	V_backupDate(clonevp) = V_copyDate(clonevp);
    }
    V_inUse(clonevp) = 0;
    VUpdateVolume(&error, clonevp);
    if (error) {
	Log("1 Volser: Clone: VUpdate failed code %d\n", error);
	LogError(error);
	goto fail;
    }
    VDetachVolume(&error, clonevp); /* allow file server to get it's hands on it */
    clonevp = (struct Volume *) 0;
    VUpdateVolume(&error, originalvp);
    if (error) {
	 Log("1 Volser: Clone: original update %d\n", error);
	 LogError(error);
	goto fail;
    }
    tt->rxCallPtr = (struct rx_call *)0;
    if(TRELE(tt)){
	tt = (struct volser_trans *) 0;
	error = VOLSERTRELE_ERROR;
	goto fail;
    }
    
    DeleteTrans(ttc);

    {
    struct DiskPartition *tpartp = originalvp->partition;    
    FSYNC_askfs(cloneId, tpartp->name, FSYNC_RESTOREVOLUME, 0);
    }
    return 0;

fail:
    if (clonevp) VDetachVolume(&code, clonevp);
    if (tt) {
	tt->rxCallPtr = (struct rx_call *)0;
	TRELE(tt);
    }
    if(ttc) DeleteTrans(ttc);
    return error;
}

/* create a new transaction, associated with volume and partition.  Type of
 * volume transaction is spec'd by iflags.  New trans id is returned in ttid.
 * See volser.h for definition of iflags (the constants are named IT*).
 */
afs_int32 SAFSVolTransCreate (acid, volume, partition, iflags, ttid)
struct rx_call *acid;
afs_int32 volume;
afs_int32 partition;
afs_int32 iflags;
afs_int32 *ttid; 
{
  afs_int32 code;

  code = VolTransCreate (acid, volume, partition, iflags, ttid);
  osi_auditU(acid, VS_TransCrEvent, code, AUD_LONG, *ttid, AUD_LONG, volume, AUD_END);
  return code;
}

afs_int32 VolTransCreate (acid, volume, partition, iflags, ttid)
struct rx_call *acid;
afs_int32 volume;
afs_int32 partition;
afs_int32 iflags;
afs_int32 *ttid; 
{
    register struct volser_trans *tt;
    register Volume *tv;
    afs_int32 error, code;
    afs_int32 mode;
    char caller[MAXKTCNAMELEN];

    if (!afsconf_SuperUser(tdir, acid, caller)) return VOLSERBAD_ACCESS;/*not a super user*/
    if (iflags & ITCreate) mode = V_SECRETLY;
    else if (iflags & ITBusy) mode = V_CLONE;
    else if (iflags & ITReadOnly) mode = V_READONLY;
    else if (iflags & ITOffline) mode = V_UPDATE;
    else  { 
	Log("1 Volser: TransCreate: Could not create trans, error %u\n",EINVAL);
	LogError(EINVAL);
	return EINVAL;
    }
    tt = NewTrans(volume, partition);
    if (!tt) {
	/* can't create a transaction? put the volume back */
	Log("1 transcreate: can't create transaction\n");
	return VOLSERVOLBUSY;
    }
    tv = XAttachVolume(&error, volume, partition, mode);
    if (error) {
	/* give up */
	if (tv) VDetachVolume(&code, tv);
	DeleteTrans(tt);
	return error;
    }
    tt->volume = tv;
    *ttid = tt->tid;
    tt->iflags = iflags;
    tt->vflags = 0;
    strcpy(tt->lastProcName,"TransCreate");
    if(TRELE(tt)) return VOLSERTRELE_ERROR;
    
    return 0;
}

/* using aindex as a 0-based index, return the aindex'th volume on this server
 * Both the volume number and partition number (one-based) are returned.
 */
afs_int32 SAFSVolGetNthVolume (acid, aindex, avolume, apart)
struct rx_call *acid;
afs_int32 aindex;
afs_int32 *avolume;
afs_int32 *apart; 
{
  afs_int32 code;

  code = VolGetNthVolume (acid, aindex, avolume, apart);
  osi_auditU(acid, VS_GetNVolEvent, code, AUD_LONG, *avolume, AUD_END);
  return code;
}

afs_int32 VolGetNthVolume (acid, aindex, avolume, apart)
struct rx_call *acid;
afs_int32 aindex;
afs_int32 *avolume;
afs_int32 *apart; 
{
      Log("1 Volser: GetNthVolume: Not yet implemented\n");
    return VOLSERNO_OP;
}

/* return the volume flags (VT* constants in volser.h) associated with this
 * transaction.
 */
afs_int32 SAFSVolGetFlags (acid, atid, aflags)
struct rx_call *acid;
afs_int32 atid;
afs_int32 *aflags; 
{
  afs_int32 code;

  code = VolGetFlags (acid, atid, aflags);
  osi_auditU(acid, VS_GetFlgsEvent, code, AUD_LONG, atid, AUD_END);
  return code;
}

afs_int32 VolGetFlags (acid, atid, aflags)
struct rx_call *acid;
afs_int32 atid;
afs_int32 *aflags; 
{
    register struct volser_trans *tt;
    
    tt = FindTrans(atid);
    if (!tt) return ENOENT;
    if (tt->vflags & VTDeleted) {
	Log("1 Volser: VolGetFlags: volume %u has been deleted \n",tt->volid);
	TRELE(tt);
	return ENOENT;
    }
    strcpy(tt->lastProcName,"GetFlags");
    tt->rxCallPtr = acid;
    *aflags = tt->vflags;
    tt->rxCallPtr = (struct rx_call *)0;
    if(TRELE(tt)) return VOLSERTRELE_ERROR;
    
    return 0;
}

/* Change the volume flags (VT* constants in volser.h) associated with this
 * transaction.  Effects take place immediately on volume, although volume
 * remains attached as usual by the transaction.
 */
afs_int32 SAFSVolSetFlags (acid, atid, aflags)
struct rx_call *acid;
afs_int32 atid;
afs_int32 aflags; 
{
  afs_int32 code;

  code = VolSetFlags (acid, atid, aflags);
  osi_auditU(acid, VS_SetFlgsEvent, code, AUD_LONG, atid, AUD_LONG, aflags, AUD_END);
  return code;
}

afs_int32 VolSetFlags (acid, atid, aflags)
struct rx_call *acid;
afs_int32 atid;
afs_int32 aflags; 
{
    register struct volser_trans *tt;
    register struct Volume *vp;
    afs_int32 error;
    char caller[MAXKTCNAMELEN];

    if (!afsconf_SuperUser(tdir, acid, caller)) return VOLSERBAD_ACCESS;/*not a super user*/
    /* find the trans */
    tt = FindTrans(atid);
    if (!tt) return ENOENT;
    if (tt->vflags & VTDeleted) {
	Log("1 Volser: VolSetFlags: volume %u has been deleted \n",tt->volid);
	TRELE(tt);
	return ENOENT;
    }
    strcpy(tt->lastProcName,"SetFlags");
    tt->rxCallPtr = acid;
    vp = tt->volume;	/* pull volume out of transaction */

    /* check if we're allowed to make any updates */
    if (tt->iflags & ITReadOnly) {
	TRELE(tt);
	return EROFS;
    }

    /* handle delete-on-salvage flag */
    if (aflags & VTDeleteOnSalvage) {
	V_destroyMe(tt->volume) = DESTROY_ME;
    }
    else {
	V_destroyMe(tt->volume) = 0;
    }
    
    if (aflags & VTOutOfService) {
	V_inService(vp) = 0;
    }
    else {
	V_inService(vp) = 1;
    }
    VUpdateVolume(&error, vp);
    tt->vflags = aflags;
    tt->rxCallPtr = (struct rx_call *)0;
    if(TRELE(tt) && !error) return VOLSERTRELE_ERROR;
    
    return error;
}

/* dumpS the volume associated with a particular transaction from a particular
 * date.  Send the dump to a different transaction (destTrans) on the server
 * specified by the destServer structure.
 */
afs_int32 SAFSVolForward (acid, fromTrans, fromDate, destination, destTrans,cookie)
struct rx_call *acid;
afs_int32 fromTrans;
afs_int32 fromDate;
struct destServer *destination;
struct restoreCookie *cookie;
afs_int32 destTrans; 
{
  afs_int32 code;

  code = VolForward (acid, fromTrans, fromDate, destination, destTrans,cookie);
  osi_auditU(acid, VS_ForwardEvent, code, AUD_LONG, fromTrans, 
                                          AUD_HOST, destination->destHost, 
                                          AUD_LONG, destTrans, AUD_END);
  return code;
}

afs_int32 VolForward (acid, fromTrans, fromDate, destination, destTrans,cookie)
struct rx_call *acid;
afs_int32 fromTrans;
afs_int32 fromDate;
struct destServer *destination;
struct restoreCookie *cookie;
afs_int32 destTrans; 
{
    register struct volser_trans *tt;
    register afs_int32 code;
    register struct rx_connection *tcon;
    struct rx_call *tcall;
    register struct Volume *vp;
    struct rx_securityClass *securityObject;
    afs_int32 securityIndex;
    char caller[MAXKTCNAMELEN];

    if (!afsconf_SuperUser(tdir, acid, caller)) return VOLSERBAD_ACCESS;/*not a super user*/
    /* initialize things */
    tcon = (struct rx_connection *) 0;
    tt = (struct volser_trans *) 0;

    /* find the local transaction */
    tt = FindTrans(fromTrans);
    if (!tt) return ENOENT;
    if (tt->vflags & VTDeleted) {
	Log("1 Volser: VolForward: volume %u has been deleted \n",tt->volid);
	TRELE(tt);
	return ENOENT;
    }
    vp = tt->volume;
    strcpy(tt->lastProcName,"Forward");
    
    /* get auth info for the this connection (uses afs from ticket file) */
    code = afsconf_ClientAuth(tdir, &securityObject, &securityIndex);
    if (code) {
	TRELE(tt);
	return code;
    }

    /* make an rpc connection to the other server */
    tcon = rx_NewConnection(htonl(destination->destHost), htons(destination->destPort),VOLSERVICE_ID, securityObject, securityIndex);
    if (!tcon) {
	 tt->rxCallPtr = (struct rx_call *)0;
	TRELE(tt);
	return ENOTCONN;
    }
    tcall = rx_NewCall(tcon);
    tt->rxCallPtr = tcall;
    /* start restore going.  fromdate == 0 --> doing an incremental dump/restore */
    code = StartAFSVolRestore(tcall, destTrans, (fromDate? 1 : 0),cookie);
    if (code) {
	goto fail;
    }

    /* these next calls implictly call rx_Write when writing out data */
    code = DumpVolume(tcall, vp, fromDate, 0);/* last field = don't dump all dirs */
    if (code) goto fail;
    EndAFSVolRestore(tcall);		    /* probably doesn't do much */
    tt->rxCallPtr = (struct rx_call *)0;
    code = rx_EndCall(tcall, 0);
    rx_DestroyConnection(tcon); /* done with the connection */
    tcon = NULL;
    if (code) goto fail;
    if(TRELE(tt)) return VOLSERTRELE_ERROR;
   
    return 0;
    
fail:
    if (tcon) {
	rx_EndCall(tcall,0); 
	rx_DestroyConnection(tcon);
    }
    if (tt){
	tt->rxCallPtr = (struct rx_call *)0;
	TRELE(tt);
    }
    return code;
}

/* Start a dump and send it to multiple places simultaneously.
 * If this returns an error (eg, return ENOENT), it means that
 * none of the releases worked.  If this returns 0, that means 
 * that one or more of the releases worked, and the caller has
 * to examine the results array to see which one(s).
 * This will only do EITHER incremental or full, not both, so it's
 * the caller's responsibility to be sure that all the destinations
 * need just an incremental (and from the same time), if that's 
 * what we're doing. 
 */
afs_int32 SAFSVolForwardMultiple (acid, fromTrans, fromDate, destinations, 
			      spare, cookie, results)
     struct rx_call *acid;
     afs_int32 fromTrans;
     afs_int32 fromDate;
     afs_int32 spare;
     manyDests *destinations;
     struct restoreCookie *cookie;
     manyResults *results;
{
  afs_int32 securityIndex;
  struct rx_securityClass *securityObject;
  char caller[MAXKTCNAMELEN];
  struct volser_trans *tt;
  afs_int32  ec, code, *codes;
  struct rx_connection **tcons;
  struct rx_call **tcalls;
  struct Volume *vp;
  int i, nconns, is_incremental;

  if (results)
     memset(results, 0, sizeof(manyResults));

  if (!afsconf_SuperUser(tdir, acid, caller))
    return VOLSERBAD_ACCESS;/*not a super user*/
  tt = FindTrans(fromTrans);
  if (!tt) 
    return ENOENT;
  if (tt->vflags & VTDeleted) {
    Log("1 Volser: VolForward: volume %u has been deleted \n",tt->volid);
    TRELE(tt);
    return ENOENT;
  }
  vp = tt->volume;
  strcpy(tt->lastProcName, "ForwardMulti");
  
  /* (fromDate == 0) ==> incremental dump */
  is_incremental = (fromDate ? 1 : 0);
  
  i= results->manyResults_len = destinations->manyDests_len;
  results->manyResults_val = codes = (afs_int32 *)malloc(i * sizeof(afs_int32));
  tcons = (struct rx_connection **) malloc (i*sizeof (struct rx_connection *));
  tcalls = (struct rx_call **) malloc (i*sizeof (struct rx_call *));

  /* get auth info for this connection (uses afs from ticket file) */
  code = afsconf_ClientAuth(tdir, &securityObject, &securityIndex);
  if (code) {
    goto fail;  /* in order to audit each failure */
  }
  
  /* make connections to all the other servers */
  for (i=0; i < destinations->manyDests_len; i++) {
    struct replica *dest = &(destinations->manyDests_val[i]);
    tcons[i] = rx_NewConnection(htonl(dest->server.destHost),
				htons(dest->server.destPort),
				VOLSERVICE_ID, securityObject, securityIndex);
    if (!tcons[i]) {
      codes[i] = ENOTCONN;
    }
    else {
      if (!(tcalls[i] = rx_NewCall(tcons[i])))
	codes[i]=ENOTCONN;
      else {
	codes[i] = StartAFSVolRestore(tcalls[i], dest->trans,
				      is_incremental,cookie);
	if (codes[i]) {
	  rx_EndCall (tcalls[i],0); tcalls[i] = 0;
	  rx_DestroyConnection(tcons[i]); tcons[i] = 0;
	}
      }
    }
  }
  
  /* these next calls implictly call rx_Write when writing out data */
  code = DumpVolMulti(tcalls, i, vp, fromDate, 0, codes);
  

fail:
  for (i--; i >=0 ; i--) {
      struct replica *dest = &(destinations->manyDests_val[i]);

      if (!code && tcalls[i] && !codes[i]) {
          EndAFSVolRestore(tcalls[i]);
      }
      if (tcalls[i]) {
          ec = rx_EndCall(tcalls[i], 0);
	  if (!codes[i]) codes[i] = ec;
      }
      if (tcons[i]) {
          rx_DestroyConnection(tcons[i]); /* done with the connection */
      }

      osi_auditU(acid, VS_ForwardEvent, (code ? code : codes[i]), 
		 AUD_LONG, fromTrans, AUD_HOST, dest->server.destHost, 
		 AUD_LONG, dest->trans, AUD_END);
  }
  free (tcons);
  free (tcalls);
  
  if (tt) {
    tt->rxCallPtr = (struct rx_call *)0;
    if(TRELE(tt) && !code)  /* return the first code if it's set */
      return VOLSERTRELE_ERROR;
  }
   
  return code;
}

afs_int32 SAFSVolDump (acid, fromTrans, fromDate)
struct rx_call *acid;
afs_int32 fromTrans;
afs_int32 fromDate; 
{
  afs_int32 code;

  code = VolDump (acid, fromTrans, fromDate);
  osi_auditU(acid, VS_DumpEvent, code, AUD_LONG, fromTrans, AUD_END);
  return code;
}

afs_int32 VolDump (acid, fromTrans, fromDate)
struct rx_call *acid;
afs_int32 fromTrans;
afs_int32 fromDate; 
{
    int code = 0;
    register struct volser_trans *tt;
    char caller[MAXKTCNAMELEN];
    
    if (!afsconf_SuperUser(tdir, acid, caller)) return VOLSERBAD_ACCESS;/*not a super user*/
    tt = FindTrans(fromTrans);
    if (!tt) return ENOENT;
    if (tt->vflags & VTDeleted) {
	Log("1 Volser: VolDump: volume %u has been deleted \n",tt->volid);
	TRELE(tt);
	return ENOENT;
    }
    strcpy(tt->lastProcName,"Dump");
    tt->rxCallPtr = acid;
    code = DumpVolume(acid, tt->volume, fromDate, 1);	/* squirt out the volume's data, too */
    if(code){tt->rxCallPtr = (struct rx_call *)0; TRELE(tt); return code;}
    tt->rxCallPtr = (struct rx_call *)0; 
    
    if(TRELE(tt)) return VOLSERTRELE_ERROR;
    
    return 0;
}

/* 
 * Ha!  No more helper process!
 */
afs_int32 SAFSVolRestore (acid, atrans, aflags,cookie)
struct rx_call *acid;
int aflags;
afs_int32 atrans; 
struct restoreCookie *cookie;
{
  afs_int32 code;

  code = VolRestore (acid, atrans, aflags,cookie);
  osi_auditU(acid, VS_RestoreEvent, code, AUD_LONG, atrans, AUD_END);
  return code;
}

afs_int32 VolRestore (acid, atrans, aflags,cookie)
struct rx_call *acid;
int aflags;
afs_int32 atrans; 
struct restoreCookie *cookie;
{
    register struct volser_trans *tt;
    register afs_int32 code,tcode;
    char caller[MAXKTCNAMELEN];

    if (!afsconf_SuperUser(tdir, acid, caller)) return VOLSERBAD_ACCESS;/*not a super user*/
    tt = FindTrans(atrans);
    if (!tt) return ENOENT;
    if (tt->vflags & VTDeleted) {
	Log("1 Volser: VolRestore: volume %u has been deleted \n",tt->volid);
	TRELE(tt);
	return ENOENT;
    }
    strcpy(tt->lastProcName,"Restore");
    tt->rxCallPtr = acid;
    code = RestoreVolume(acid, tt->volume, (aflags & 1),cookie);   /* last is incrementalp */
    FSYNC_askfs(tt->volid, (char *) 0, FSYNC_RESTOREVOLUME, 0l);/*break call backs on the
						     restored volume */
    tt->rxCallPtr = (struct rx_call *)0; 
    tcode = TRELE(tt);
    
    return (code? code : tcode);
}

/* end a transaction, returning the transaction's final error code in rcode */
afs_int32 SAFSVolEndTrans (acid, destTrans, rcode)
struct rx_call *acid;
afs_int32 destTrans;
afs_int32 *rcode; 
{
  afs_int32 code;

  code = VolEndTrans (acid, destTrans, rcode);
  osi_auditU(acid, VS_EndTrnEvent, code, AUD_LONG, destTrans, AUD_END);
  return code;
}

afs_int32 VolEndTrans (acid, destTrans, rcode)
struct rx_call *acid;
afs_int32 destTrans;
afs_int32 *rcode; 
{
    register struct volser_trans *tt;
    char caller[MAXKTCNAMELEN];
    
    if (!afsconf_SuperUser(tdir, acid, caller)) return VOLSERBAD_ACCESS;/*not a super user*/
    tt = FindTrans(destTrans);
    if (!tt) {return ENOENT;}
    *rcode = tt->returnCode;
    DeleteTrans(tt);	/* this does an implicit TRELE */
    
    return 0;
}

afs_int32 SAFSVolSetForwarding (acid, atid, anewsite)
struct rx_call *acid;
afs_int32 atid;
afs_int32 anewsite;
{
  afs_int32 code;

  code = VolSetForwarding (acid, atid, anewsite);
  osi_auditU(acid, VS_SetForwEvent, code, AUD_LONG, atid, AUD_HOST, anewsite, AUD_END);
  return code;
}

afs_int32 VolSetForwarding (acid, atid, anewsite)
struct rx_call *acid;
afs_int32 atid;
afs_int32 anewsite;
{
    
    register struct volser_trans *tt;
    char caller[MAXKTCNAMELEN];
    
    if (!afsconf_SuperUser(tdir, acid, caller)) return VOLSERBAD_ACCESS;/*not a super user*/
    tt = FindTrans(atid);
    if (!tt) return ENOENT;
    if (tt->vflags & VTDeleted) {
	Log("1 Volser: VolSetForwarding: volume %u has been deleted \n",tt->volid);
	TRELE(tt);
	return ENOENT;
    }
    strcpy(tt->lastProcName,"SetForwarding");
    tt->rxCallPtr = acid;
    FSYNC_askfs(tt->volid, (char *) 0, FSYNC_MOVEVOLUME, anewsite);
    tt->rxCallPtr = (struct rx_call *)0;
    if(TRELE(tt)) return VOLSERTRELE_ERROR;
   
    return 0;
}

afs_int32 SAFSVolGetStatus (acid, atrans, astatus)
struct rx_call *acid;
afs_int32 atrans;
register struct volser_status *astatus;
{
  afs_int32 code;

  code = VolGetStatus (acid, atrans, astatus);
  osi_auditU(acid, VS_GetStatEvent, code, AUD_LONG, atrans, AUD_END);
  return code;
}

afs_int32 VolGetStatus (acid, atrans, astatus)
struct rx_call *acid;
afs_int32 atrans;
register struct volser_status *astatus;
{
    register struct Volume *tv;
    register struct VolumeDiskData *td;
    struct volser_trans *tt;
    
    
    tt = FindTrans(atrans);
    if (!tt) return ENOENT;
    if (tt->vflags & VTDeleted) {
	Log("1 Volser: VolGetStatus: volume %u has been deleted \n",tt->volid);
	TRELE(tt);
	return ENOENT;
    }
    strcpy(tt->lastProcName,"GetStatus");
    tt->rxCallPtr = acid;
    tv = tt->volume;
    if (!tv) {
	tt->rxCallPtr = (struct rx_call *)0;
	TRELE(tt);
	return ENOENT;
    }
    
    td = &tv->header->diskstuff;
    astatus->volID = td->id;
    astatus->nextUnique = td->uniquifier;
    astatus->type = td->type;
    astatus->parentID = td->parentId;
    astatus->cloneID = td->cloneId;
    astatus->backupID = td->backupId;
    astatus->restoredFromID = td->restoredFromId;
    astatus->maxQuota = td->maxquota;
    astatus->minQuota = td->minquota;
    astatus->owner = td->owner;
    astatus->creationDate = td->creationDate;
    astatus->accessDate = td->accessDate;
    astatus->updateDate = td->updateDate;
    astatus->expirationDate = td->expirationDate;
    astatus->backupDate = td->backupDate;
    astatus->copyDate = td->copyDate;
    tt->rxCallPtr = (struct rx_call *)0;
    if(TRELE(tt)) return VOLSERTRELE_ERROR;
    
    return 0;
}

afs_int32 SAFSVolSetInfo (acid, atrans, astatus)
struct rx_call *acid;
afs_int32 atrans;
register struct volintInfo *astatus;
{
  afs_int32 code;

  code = VolSetInfo (acid, atrans, astatus);
  osi_auditU(acid, VS_SetInfoEvent, code, AUD_LONG, atrans, AUD_END);
  return code;
}

afs_int32 VolSetInfo (acid, atrans, astatus)
struct rx_call *acid;
afs_int32 atrans;
register struct volintInfo *astatus;
{
    register struct Volume *tv;
    register struct VolumeDiskData *td;
    struct volser_trans *tt;
    char caller[MAXKTCNAMELEN];
    afs_int32 error;

    if (!afsconf_SuperUser(tdir, acid, caller)) return VOLSERBAD_ACCESS;/*not a super user*/    
    tt = FindTrans(atrans);
    if (!tt) return ENOENT;
    if (tt->vflags & VTDeleted) {
	Log("1 Volser: VolSetInfo: volume %u has been deleted \n",tt->volid);
	TRELE(tt);
	return ENOENT;
    }
    strcpy(tt->lastProcName,"SetStatus");
    tt->rxCallPtr = acid;
    tv = tt->volume;
    if (!tv) {
	tt->rxCallPtr = (struct rx_call *)0;
	TRELE(tt);
	return ENOENT;
    }
    
    td = &tv->header->diskstuff;
    /*
     * Add more fields as necessary
     */
    if (astatus->maxquota != -1)
	td->maxquota = astatus->maxquota;
    if (astatus->dayUse != -1)
	td->dayUse = astatus->dayUse;
    VUpdateVolume(&error, tv);
    tt->rxCallPtr = (struct rx_call *)0;
    if(TRELE(tt)) return VOLSERTRELE_ERROR;
    return 0;
}


afs_int32 SAFSVolGetName (acid, atrans, aname)
struct rx_call *acid;
afs_int32 atrans;
char **aname; 
{
  afs_int32 code;

  code = VolGetName (acid, atrans, aname);
  osi_auditU(acid, VS_GetNameEvent, code, AUD_LONG, atrans, AUD_END);
  return code;
}

afs_int32 VolGetName (acid, atrans, aname)
struct rx_call *acid;
afs_int32 atrans;
char **aname; 
{
    register struct Volume *tv;
    register struct VolumeDiskData *td;
    struct volser_trans *tt;
    register int len;
    
    *aname = (char *)0;
    tt = FindTrans(atrans);
    if (!tt) return ENOENT;
    if (tt->vflags & VTDeleted) {
	Log("1 Volser: VolGetName: volume %u has been deleted \n",tt->volid);
	TRELE(tt);
	return ENOENT;
    }
    strcpy(tt->lastProcName,"GetName");
    tt->rxCallPtr = acid;
    tv = tt->volume;
    if (!tv) {
	tt->rxCallPtr = (struct rx_call *)0;
	TRELE(tt);
	return ENOENT;
    }
    
    td = &tv->header->diskstuff;
    len	= strlen(td->name)+1;	    /* don't forget the null */
    if (len >= SIZE) {
	tt->rxCallPtr = (struct rx_call *)0;
	TRELE(tt);
	return E2BIG;
    }
    *aname = (char *)malloc(len);
    strcpy(*aname, td->name);
    tt->rxCallPtr = (struct rx_call *)0;
    if(TRELE(tt)) return VOLSERTRELE_ERROR;
    
    return 0;
}
/*this is a handshake to indicate that the next call will be SAFSVolRestore
 * - a noop now !*/
afs_int32 SAFSVolSignalRestore (acid, volname, volType, parentId, cloneId)
struct rx_call *acid;
char volname[];
afs_int32 parentId, cloneId;
int volType;
{
  return 0;
}


/*return a list of all partitions on the server. The non mounted
 *partitions are returned as -1 in the corresponding slot in partIds*/
afs_int32 SAFSVolListPartitions (acid, partIds)
struct rx_call *acid;
struct pIDs *partIds;
{
  afs_int32 code;

  code = VolListPartitions (acid, partIds);
  osi_auditU(acid, VS_ListParEvent, code, AUD_END);
  return code;
}

afs_int32 VolListPartitions (acid, partIds)
struct rx_call *acid;
struct pIDs *partIds;
{   
    char namehead[9];
    int code;
    char i;

    strcpy(namehead, "/vicep");	/*7 including null terminator*/

    /* Just return attached partitions. */
    namehead[7] = '\0';
    for (i=0; i<26; i++) {
	namehead[6] = i + 'a';
	if (VGetPartition(namehead, 0))
	    partIds->partIds[i] = VGetPartition(namehead, 0) ? i : -1;
    }

    return 0;
}

/*return a list of all partitions on the server. The non mounted
 *partitions are returned as -1 in the corresponding slot in partIds*/
afs_int32 SAFSVolXListPartitions (acid, pEntries)
struct rx_call *acid;
struct partEntries *pEntries;
{
  afs_int32 code;

  code = XVolListPartitions (acid, pEntries);
  osi_auditU(acid, VS_ListParEvent, code, AUD_END);
  return code;
}

afs_int32 XVolListPartitions (acid, pEntries)
struct rx_call *acid;
struct partEntries *pEntries;
{   
    struct stat rbuf, pbuf;
    char namehead[9];
    struct partList partList;
    struct DiskPartition *dp;
    int i, j=0, k;

    strcpy(namehead, "/vicep");	/*7 including null terminator*/

    /* Only report attached partitions */
    for(i = 0 ; i < VOLMAXPARTS; i++){
	if (i < 26) {
	    namehead[6] = i + 'a';
	    namehead[7] = '\0';
	} else {
	    k = i - 26;
	    namehead[6] = 'a' + (k/26);
	    namehead[7] = 'a' + (k%26);
	    namehead[8] = '\0';
	}
	dp = VGetPartition(namehead, 0);
	if (dp)
	    partList.partId[j++] = i;
    }
    pEntries->partEntries_val = (afs_int32 *) malloc(j * sizeof(int));
    memcpy((char *)pEntries->partEntries_val, (char *)&partList, j * sizeof(int));
    pEntries->partEntries_len = j;
    return 0;

}

/*extract the volume id from string vname. Its of the form " V0*<id>.vol  "*/
afs_int32 ExtractVolId(vname)
char vname[];
{
    int i;
    char name[VOLSER_MAXVOLNAME +1];

    strcpy(name,vname);
    i = 0;
    while(name[i] == 'V' || name[i] == '0')
	i++;
    
    name[11] = '\0';	/* smash the "." */
    return(atol(&name[i]));
}

/*return the name of the next volume header in the directory associated with dirp and dp.
*the volume id is  returned in volid, and volume header name is returned in volname*/
GetNextVol(DIR *dirp, char *volname, afs_int32 *volid)
{  
    struct dirent *dp;

    dp = readdir(dirp);/*read next entry in the directory */
    if(dp){
	
	if((dp->d_name[0] == 'V') && !strcmp(&(dp->d_name[11]), VHDREXT)){
	    *volid = ExtractVolId(dp->d_name);
	    strcpy(volname,dp->d_name);
	    return 0;/*return the name of the file representing a volume */
	}
	else {
	    strcpy(volname,"");
	    return 0;/*volname doesnot represent a volume*/
	}
    }
    else {strcpy(volname,"EOD"); return 0;/*end of directory */}
    
}

/*return the header information about the <volid> */
afs_int32 SAFSVolListOneVolume (acid, partid, volumeId, volumeInfo)
struct rx_call *acid;
afs_int32 volumeId, partid;
volEntries *volumeInfo;
{
  afs_int32 code;

  code = VolListOneVolume (acid, partid, volumeId, volumeInfo);
  osi_auditU(acid, VS_Lst1VolEvent, code, AUD_LONG, volumeId, AUD_END);
  return code;
}

afs_int32 VolListOneVolume (acid, partid, volumeId, volumeInfo)
struct rx_call *acid;
afs_int32 volumeId, partid;
volEntries *volumeInfo;
{   volintInfo *pntr;
    register struct Volume *tv;
    struct DiskPartition *partP;
    struct volser_trans *ttc;
    char pname[9], volname[20];
    afs_int32 error = 0;
    DIR *dirp;
    afs_int32 volid;
    int found = 0;
    unsigned int now;

    volumeInfo->volEntries_val = (volintInfo *) malloc( sizeof(volintInfo));
    pntr = volumeInfo->volEntries_val;
    volumeInfo->volEntries_len = 1;
    if(GetPartName(partid, pname)) return VOLSERILLEGAL_PARTITION;
    if (!(partP = VGetPartition(pname, 0))) return VOLSERILLEGAL_PARTITION;
    dirp = opendir(VPartitionPath(partP));
    if(dirp == NULL) return VOLSERILLEGAL_PARTITION;
    strcpy(volname,"");
    ttc = (struct volser_trans *) 0;	
    tv = (Volume *) 0;			/* volume not attached */

    while(strcmp(volname,"EOD") && !found){/*while there are more volumes in the partition */

	if(!strcmp(volname,"")) {/* its not a volume, fetch next file */
	    GetNextVol(dirp, volname, &volid);
	    continue; /*back to while loop */
	}
	
	if(volid == volumeId) { /*copy other things too */
	    found = 1;
	    IOMGR_Poll(); /*make sure that the client doesnot time out*/
	    ttc = NewTrans(volid,partid);
	    if(!ttc){
		pntr->status = VBUSY;
		pntr->volid = volid;
		goto drop;
	    }
	    tv = VAttachVolumeByName(&error, pname, volname,V_READONLY);
	    if(error) {
		pntr->status = 0; /*things are messed up */
		strcpy(pntr->name,volname);
		pntr->volid = volid;
		Log("1 Volser: ListVolumes: Could not attach volume %u (%s:%s), error=%d\n",volid,pname,volname,error);
		goto drop;
	    }
	    if(tv->header->diskstuff.destroyMe == DESTROY_ME) {
		/*this volume will be salvaged */
		pntr->status = 0;
		strcpy(pntr->name,volname);
		pntr->volid = volid;
		Log("1 Volser: ListVolumes: Volume %u (%s) will be destroyed on next salvage\n",volid,volname);
		goto drop;
	    }

	    if(tv->header->diskstuff.needsSalvaged){
		/*this volume will be salvaged */
		pntr->status = 0;
		strcpy(pntr->name,volname);
		pntr->volid = volid;
		Log("1 Volser: ListVolumes: Volume %u (%s) needs to be salvaged\n",volid,volname);
		goto drop;
	    }

	    /*read in the relevant info */
	    pntr->status = VOK ; /*its ok */
	    pntr->volid = tv->header->diskstuff.id;
	    strcpy(pntr->name,tv->header->diskstuff.name);
	    pntr->type = tv->header->diskstuff.type; /*if ro volume*/
	    pntr->cloneID = tv->header->diskstuff.cloneId; /*if rw volume*/
	    pntr->backupID = tv->header->diskstuff.backupId;
	    pntr->parentID = tv->header->diskstuff.parentId;
	    pntr->copyDate = tv->header->diskstuff.copyDate;
	    pntr->inUse = tv->header->diskstuff.inUse;
	    pntr->size = tv->header->diskstuff.diskused;
	    pntr->needsSalvaged = tv->header->diskstuff.needsSalvaged;
	    pntr->destroyMe = tv->header->diskstuff.destroyMe;
	    pntr->maxquota = tv->header->diskstuff.maxquota;
	    pntr->filecount = tv->header->diskstuff.filecount;
	    now = FT_ApproxTime();
	    if (now - tv->header->diskstuff.dayUseDate > OneDay)
		 pntr->dayUse = 0;
	    else
		 pntr->dayUse = tv->header->diskstuff.dayUse;
	    pntr->creationDate = tv->header->diskstuff.creationDate;
	    pntr->accessDate = tv->header->diskstuff.accessDate;
	    pntr->updateDate = tv->header->diskstuff.updateDate;
	    pntr->backupDate = tv->header->diskstuff.backupDate;
 	    pntr->spare0 = tv->header->diskstuff.minquota;
 	    pntr->spare1 = (long) tv->header->diskstuff.weekUse[0] + (long) tv->header->diskstuff.weekUse[1] +
		(long) tv->header->diskstuff.weekUse[2] + (long) tv->header->diskstuff.weekUse[3] +
		(long) tv->header->diskstuff.weekUse[4] + (long) tv->header->diskstuff.weekUse[5] +
		(long) tv->header->diskstuff.weekUse[6];
 	    pntr->flags = pntr->spare2 = pntr->spare3 = (long) 0;
	    VDetachVolume(&error,tv);/*free the volume */
	    tv = (Volume *) 0;
	    if(error) {
		pntr->status = 0; /*things are messed up */
		strcpy(pntr->name,volname);
		Log("1 Volser: ListVolumes: Could not detach volume %s\n",volname);
		goto drop;
	    }
	}
	GetNextVol(dirp, volname, &volid);
    }
    drop:
       	if (tv) {
	    VDetachVolume(&error, tv);
	    tv = (Volume *) 0;
	}
        if(ttc) {
	    DeleteTrans(ttc);
	    ttc = (struct volser_trans *) 0;
	}
        
    closedir(dirp);
    if(found)return 0 ;
    else return ENODEV;
}

/*------------------------------------------------------------------------
 * EXPORTED SAFSVolXListOneVolume
 *
 * Description:
 *	Returns extended info on volume a_volID on partition a_partID.
 *
 * Arguments:
 *	a_rxCidP       : Pointer to the Rx call we're performing.
 *	a_partID       : Partition for which we want the extended list.
 *	a_volID        : Volume ID we wish to know about.
 *	a_volumeXInfoP : Ptr to the extended info blob.
 *
 * Returns:
 *	0			Successful operation
 *	VOLSERILLEGAL_PARTITION if we got a bogus partition ID
 *
 * Environment:
 *	Nothing interesting.
 *
 * Side Effects:
 *	As advertised.
 *------------------------------------------------------------------------*/

afs_int32 SAFSVolXListOneVolume (a_rxCidP, a_partID, a_volID, a_volumeXInfoP)
    struct rx_call *a_rxCidP;
    afs_int32 a_partID;
    afs_int32 a_volID;
    volXEntries *a_volumeXInfoP;
{
  afs_int32 code;

  code = VolXListOneVolume (a_rxCidP, a_partID, a_volID, a_volumeXInfoP);
  osi_auditU(a_rxCidP, VS_XLst1VlEvent, code, AUD_LONG, a_volID, AUD_END);
  return code;
}

afs_int32 VolXListOneVolume (a_rxCidP, a_partID, a_volID, a_volumeXInfoP)
    struct rx_call *a_rxCidP;
    afs_int32 a_partID;
    afs_int32 a_volID;
    volXEntries *a_volumeXInfoP;

{ /*SAFSVolXListOneVolume*/

    volintXInfo *xInfoP;		  /*Ptr to the extended vol info*/
    register struct Volume *tv;		  /*Volume ptr*/
    struct volser_trans *ttc;		  /*Volume transaction ptr*/
    struct DiskPartition *partP;	  /*Ptr to partition */
    char pname[9], volname[20];		  /*Partition, volume names*/
    afs_int32 error;			  /*Error code*/
    afs_int32 code;				  /*Return code*/
    DIR *dirp;				  /*Partition directory ptr*/
    afs_int32 currVolID;			  /*Current volume ID*/
    int found = 0;			  /*Did we find the volume we need?*/
    struct VolumeDiskData *volDiskDataP;  /*Ptr to on-disk volume data*/
    int numStatBytes;			  /*Num stat bytes to copy per volume*/
    unsigned int now;

    /*
     * Set up our pointers for action, marking our structure to hold exactly
     * one entry.  Also, assume we'll fail in our quest.
     */
    a_volumeXInfoP->volXEntries_val = (volintXInfo *) malloc(sizeof(volintXInfo));
    xInfoP = a_volumeXInfoP->volXEntries_val;
    a_volumeXInfoP->volXEntries_len = 1;
    code = ENODEV;

    /*
     * If the partition name we've been given is bad, bogue out.
     */
    if (GetPartName(a_partID, pname))
	return(VOLSERILLEGAL_PARTITION);

    /*
     * Open the directory representing the given AFS parttion.  If we can't
     * do that, we lose.
     */
    if (!(partP = VGetPartition(pname, 0))) return VOLSERILLEGAL_PARTITION;
    dirp = opendir(VPartitionPath(partP));
    if (dirp == NULL)
	return(VOLSERILLEGAL_PARTITION);

    /*
     * Sweep through the partition directory, looking for the desired entry.
     * First, of course, figure out how many stat bytes to copy out of each
     * volume.
     */
    numStatBytes = 4*((2*VOLINT_STATS_NUM_RWINFO_FIELDS) +
		      (4*VOLINT_STATS_NUM_TIME_FIELDS));
    strcpy(volname, "");
    ttc = (struct volser_trans *)0;	/*No transaction yet*/
    tv = (Volume *)0;			/*Volume not yet attached*/

    while (strcmp(volname,"EOD") && !found) {
	/*
	 * If this is not a volume, move on to the next entry in the
	 * partition's directory.
	 */
	if (!strcmp(volname,"")) {
	    GetNextVol(dirp, volname, &currVolID);
	    continue;
	}
	
	if (currVolID == a_volID) {
	    /*
	     * We found the volume entry we're interested.  Pull out the
	     * extended information, remembering to poll (so that the client
	     * doesn't time out) and to set up a transaction on the volume.
	     */
	    found = 1;
	    IOMGR_Poll();
	    ttc = NewTrans(currVolID, a_partID);
	    if (!ttc) {
		/*
		 * Couldn't get a transaction on this volume; let our caller
		 * know it's busy.
		 */
		xInfoP->status = VBUSY;
		xInfoP->volid = currVolID;
		goto drop;
	    }

	    /*
	     * Attach the volume, give up on the volume if we can't.
	     */
	    tv = VAttachVolumeByName(&error, pname, volname, V_READONLY);
	    if (error) {
		xInfoP->status = 0; /*things are messed up */
		strcpy(xInfoP->name, volname);
		xInfoP->volid = currVolID;
		Log("1 Volser: XListOneVolume: Could not attach volume %u\n",
		    currVolID);
		goto drop;
	    }

	    /*
	     * Also bag out on this volume if it's been marked as needing a
	     * salvage or to-be-destroyed.
	     */
	    volDiskDataP = &(tv->header->diskstuff);
	    if (volDiskDataP->destroyMe == DESTROY_ME) {
		xInfoP->status = 0;
		strcpy(xInfoP->name, volname);
		xInfoP->volid = currVolID;
		Log("1 Volser: XListOneVolume: Volume %u will be destroyed on next salvage\n", currVolID);
		goto drop;
	    }

	    if (volDiskDataP->needsSalvaged) {
		xInfoP->status = 0;
		strcpy(xInfoP->name, volname);
		xInfoP->volid = currVolID;
		Log("1 Volser: XListOneVolume: Volume %u needs to be salvaged\n",
		    currVolID);
		goto drop;
	    }

	    /*
	     * Pull out the desired info and stuff it into the area we'll be
	     * returning to our caller.
	     */
	    strcpy(xInfoP->name,volDiskDataP->name);
	    xInfoP->volid	 = volDiskDataP->id;
	    xInfoP->type	 = volDiskDataP->type;
	    xInfoP->backupID	 = volDiskDataP->backupId;
	    xInfoP->parentID	 = volDiskDataP->parentId;
	    xInfoP->cloneID	 = volDiskDataP->cloneId;
	    xInfoP->status	 = VOK;
	    xInfoP->copyDate	 = volDiskDataP->copyDate;
	    xInfoP->inUse	 = volDiskDataP->inUse;
	    xInfoP->creationDate = volDiskDataP->creationDate;
	    xInfoP->accessDate	 = volDiskDataP->accessDate;
	    xInfoP->updateDate	 = volDiskDataP->updateDate;
	    xInfoP->backupDate	 = volDiskDataP->backupDate;
	    now = FT_ApproxTime();
	    if (now - volDiskDataP->dayUseDate > OneDay)
	       xInfoP->dayUse	 = 0;
	    else
	       xInfoP->dayUse	 = volDiskDataP->dayUse;
	    xInfoP->filecount	 = volDiskDataP->filecount;
	    xInfoP->maxquota	 = volDiskDataP->maxquota;
	    xInfoP->size	 = volDiskDataP->diskused;

	    /*
	     * Copy out the stat fields in a single operation.
	     */
	    memcpy((char *)&(xInfoP->stat_reads[0]), (char *)&(volDiskDataP->stat_reads[0]), numStatBytes);

	    /*
	     * We're done copying.  Detach the volume and iterate (at this
	     * point, since we found our volume, we'll then drop out of the
	     * loop).
	     */
	    VDetachVolume(&error, tv);
	    tv = (Volume *)0;
	    if (error) {
		xInfoP->status = 0;
		strcpy(xInfoP->name, volname);
		Log("1 Volser: XListOneVolumes Couldn't detach volume %s\n",
		    volname);
		goto drop;
	    }

	    /*
	     * At this point, we're golden.
	     */
	    code = 0;
	} /*Found desired volume*/
	GetNextVol(dirp, volname, &currVolID);
    }

    /*
     * Drop the transaction we have for this volume.
     */
    drop:
       	if (tv) {
	    VDetachVolume(&error, tv);
	    tv = (Volume *)0;
	}
        if (ttc) {
	    DeleteTrans(ttc);
	    ttc = (struct volser_trans *)0;
	}

    /*
     * Clean up before going to dinner: close the partition directory,
     * return the proper value.
     */
    closedir(dirp);
    return(code);

} /*SAFSVolXListOneVolume*/

/*returns all the volumes on partition partid. If flags = 1 then all the 
* relevant info about the volumes  is also returned */
afs_int32 SAFSVolListVolumes (acid, partid, flags, volumeInfo)
struct rx_call *acid;
afs_int32 flags, partid;
volEntries *volumeInfo;
{
  afs_int32 code;

  code = VolListVolumes (acid, partid, flags, volumeInfo);
  osi_auditU(acid, VS_ListVolEvent, code, AUD_END);
  return code;
}

afs_int32 VolListVolumes (acid, partid, flags, volumeInfo)
struct rx_call *acid;
afs_int32 flags, partid;
volEntries *volumeInfo;
{   volintInfo *pntr;
    register struct Volume *tv;
    struct DiskPartition *partP;
    struct volser_trans *ttc;
    afs_int32 allocSize = 1000;/*to be changed to a larger figure */
    char pname[9], volname[20];
    afs_int32 error = 0;
    DIR *dirp;
    afs_int32 volid;
    unsigned int now;

    volumeInfo->volEntries_val = (volintInfo *) malloc(allocSize * sizeof(volintInfo));
    pntr = volumeInfo->volEntries_val;
    volumeInfo->volEntries_len = 0;
    if(GetPartName(partid, pname)) return VOLSERILLEGAL_PARTITION;
    if (!(partP = VGetPartition(pname, 0))) return VOLSERILLEGAL_PARTITION;
    dirp = opendir(VPartitionPath(partP));
    if(dirp == NULL) return VOLSERILLEGAL_PARTITION;
    strcpy(volname,"");
    while(strcmp(volname,"EOD")){/*while there are more partitions in the partition */
	ttc = (struct volser_trans *) 0;	/* new one for each pass */
	tv = (Volume *) 0;			/* volume not attached */

	if(!strcmp(volname,"")) {/* its not a volume, fetch next file */
	    GetNextVol(dirp, volname, &volid);
	    continue; /*back to while loop */
	}
	
	if(flags) { /*copy other things too */
	    IOMGR_Poll(); /*make sure that the client doesnot time out*/
	    ttc = NewTrans(volid,partid);
	    if(!ttc){
		pntr->status = VBUSY;
		pntr->volid = volid;
		goto drop;
	    }
	    tv = VAttachVolumeByName(&error, pname, volname,V_READONLY);
	    if(error) {
		pntr->status = 0; /*things are messed up */
		strcpy(pntr->name,volname);
		pntr->volid = volid;
		Log("1 Volser: ListVolumes: Could not attach volume %u (%s) error=%d\n",volid,volname,error);
		goto drop;
	    }
	    if(tv->header->diskstuff.needsSalvaged){
		/*this volume will be salvaged */
		pntr->status = 0;
		strcpy(pntr->name,volname);
		pntr->volid = volid;
		Log("1 Volser: ListVolumes: Volume %u (%s) needs to be salvaged\n",volid, volname);
		goto drop;
	    }

	    if(tv->header->diskstuff.destroyMe == DESTROY_ME) {
		/*this volume will be salvaged */
		goto drop2;
	    }
	    /*read in the relevant info */
	    pntr->status = VOK ; /*its ok */
	    pntr->volid = tv->header->diskstuff.id;
	    strcpy(pntr->name,tv->header->diskstuff.name);
	    pntr->type = tv->header->diskstuff.type; /*if ro volume*/
	    pntr->cloneID = tv->header->diskstuff.cloneId; /*if rw volume*/
	    pntr->backupID = tv->header->diskstuff.backupId;
	    pntr->parentID = tv->header->diskstuff.parentId;
	    pntr->copyDate = tv->header->diskstuff.copyDate;
	    pntr->inUse = tv->header->diskstuff.inUse;
	    pntr->size = tv->header->diskstuff.diskused;
	    pntr->needsSalvaged = tv->header->diskstuff.needsSalvaged;
	    pntr->maxquota = tv->header->diskstuff.maxquota;
	    pntr->filecount = tv->header->diskstuff.filecount;
	    now = FT_ApproxTime();
	    if (now - tv->header->diskstuff.dayUseDate > OneDay)
		 pntr->dayUse = 0;
	    else
		 pntr->dayUse = tv->header->diskstuff.dayUse;
	    pntr->creationDate = tv->header->diskstuff.creationDate;
	    pntr->accessDate = tv->header->diskstuff.accessDate;
	    pntr->updateDate = tv->header->diskstuff.updateDate;
	    pntr->backupDate = tv->header->diskstuff.backupDate;
 	    pntr->spare0 = tv->header->diskstuff.minquota;
 	    pntr->spare1 = (long) tv->header->diskstuff.weekUse[0] + (long) tv->header->diskstuff.weekUse[1] +
		(long) tv->header->diskstuff.weekUse[2] + (long) tv->header->diskstuff.weekUse[3] +
		(long) tv->header->diskstuff.weekUse[4] + (long) tv->header->diskstuff.weekUse[5] +
		(long) tv->header->diskstuff.weekUse[6];
 	    pntr->flags = pntr->spare2 = pntr->spare3 = (long) 0;
	    VDetachVolume(&error,tv);/*free the volume */
	    tv = (Volume *) 0;
	    if(error) {
		pntr->status = 0; /*things are messed up */
		strcpy(pntr->name,volname);
		Log("1 Volser: ListVolumes: Could not detach volume %s\n",volname);
		goto drop;
	    }
	}else{
	    pntr->volid = volid;
	    /*just volids are needed*/
	}

      drop:
	if(ttc) {
	    DeleteTrans(ttc);
	    ttc = (struct volser_trans *) 0;
	}
        pntr++;
	volumeInfo->volEntries_len += 1;
	if((allocSize - volumeInfo->volEntries_len) < 5) {
	    /*running out of space, allocate more space */
	    allocSize = (allocSize *3)/2;
	    pntr = (volintInfo *) realloc((char *) volumeInfo->volEntries_val,
					  allocSize * sizeof(volintInfo));
	    if(pntr == NULL) {
		if (tv) {
		    VDetachVolume(&error, tv);
		    tv = (Volume *) 0;
		}
		if(ttc) {
		    DeleteTrans(ttc);
		    ttc = (struct volser_trans *) 0;
		}
		closedir(dirp);
		return VOLSERNO_MEMORY;
	    }
	    volumeInfo->volEntries_val = pntr; /* point to new block */
	    /* set pntr to the right position */
	    pntr = volumeInfo->volEntries_val + volumeInfo->volEntries_len;
	    
	}
	
      drop2:
	if (tv) {
	    VDetachVolume(&error, tv);
	    tv = (Volume *) 0;
	}
        if(ttc) {
	    DeleteTrans(ttc);
	    ttc = (struct volser_trans *) 0;
	}
        GetNextVol(dirp, volname, &volid);
	
    }
    closedir(dirp);
    if (ttc)
	DeleteTrans(ttc);
    
    return 0 ;
}

/*------------------------------------------------------------------------
 * EXPORTED SAFSVolXListVolumes
 *
 * Description:
 *	Returns all the volumes on partition a_partID.  If a_flags
 *	is set to 1, then all the relevant extended volume information
 *	is also returned.
 *
 * Arguments:
 *	a_rxCidP       : Pointer to the Rx call we're performing.
 *	a_partID       : Partition for which we want the extended list.
 *	a_flags        : Various flags.
 *	a_volumeXInfoP : Ptr to the extended info blob.
 *
 * Returns:
 *	0			Successful operation
 *	VOLSERILLEGAL_PARTITION if we got a bogus partition ID
 *	VOLSERNO_MEMORY         if we ran out of memory allocating
 *				our return blob
 *
 * Environment:
 *	Nothing interesting.
 *
 * Side Effects:
 *	As advertised.
 *------------------------------------------------------------------------*/

afs_int32 SAFSVolXListVolumes (a_rxCidP, a_partID, a_flags, a_volumeXInfoP)
    struct rx_call *a_rxCidP;
    afs_int32 a_partID;
    afs_int32 a_flags;
    volXEntries *a_volumeXInfoP;
{
  afs_int32 code;

  code = VolXListVolumes (a_rxCidP, a_partID, a_flags, a_volumeXInfoP);
  osi_auditU(a_rxCidP, VS_XLstVolEvent, code, AUD_END);
  return code;
}

afs_int32 VolXListVolumes (a_rxCidP, a_partID, a_flags, a_volumeXInfoP)
    struct rx_call *a_rxCidP;
    afs_int32 a_partID;
    afs_int32 a_flags;
    volXEntries *a_volumeXInfoP;

{ /*SAFSVolXListVolumes*/

    volintXInfo *xInfoP;		  /*Ptr to the extended vol info*/
    register struct Volume *tv;		  /*Volume ptr*/
    struct DiskPartition *partP;	  /*Ptr to partition*/
    struct volser_trans *ttc;		  /*Volume transaction ptr*/
    afs_int32 allocSize = 1000;		  /*To be changed to a larger figure */
    char pname[9], volname[20];		  /*Partition, volume names*/
    afs_int32 error = 0;			  /*Return code*/
    DIR *dirp;				  /*Partition directory ptr*/
    afs_int32 volid;				  /*Current volume ID*/
    struct VolumeDiskData *volDiskDataP;  /*Ptr to on-disk volume data*/
    int numStatBytes;			  /*Num stat bytes to copy per volume*/
    unsigned int now;

    /*
     * Allocate a large array of extended volume info structures, then
     * set it up for action.
     */
    a_volumeXInfoP->volXEntries_val =
	(volintXInfo *) malloc(allocSize * sizeof(volintXInfo));
    xInfoP = a_volumeXInfoP->volXEntries_val;
    a_volumeXInfoP->volXEntries_len = 0;

    /*
     * If the partition name we've been given is bad, bogue out.
     */
    if (GetPartName(a_partID, pname))
	return(VOLSERILLEGAL_PARTITION);

    /*
     * Open the directory representing the given AFS parttion.  If we can't
     * do that, we lose.
     */
    if (!(partP = VGetPartition(pname, 0))) return VOLSERILLEGAL_PARTITION;
    dirp = opendir(VPartitionPath(partP));
    if (dirp == NULL)
	return (VOLSERILLEGAL_PARTITION);

    /*
     * Sweep through the partition directory, acting on each entry.  First,
     * of course, figure out how many stat bytes to copy out of each volume.
     */
    numStatBytes = 4*((2*VOLINT_STATS_NUM_RWINFO_FIELDS) +
		      (4*VOLINT_STATS_NUM_TIME_FIELDS));
    strcpy(volname,"");
    while (strcmp(volname, "EOD")) {
	ttc = (struct volser_trans *)0;	/*New one for each pass*/
	tv = (Volume *)0;		/*Volume not yet attached*/

	/*
	 * If this is not a volume, move on to the next entry in the
	 * partition's directory.
	 */
	if(!strcmp(volname,"")) {
	    GetNextVol(dirp, volname, &volid);
	    continue;
	}

	if (a_flags) {
	    /*
	     * Full info about the volume desired.  Poll to make sure the
	     * client doesn't time out, then start up a new transaction.
	     */
	    IOMGR_Poll();
	    ttc = NewTrans(volid,a_partID);
	    if (!ttc) {
		/*
		 * Couldn't get a transaction on this volume; let our caller
		 * know it's busy.
		 */
		xInfoP->status = VBUSY;
		xInfoP->volid = volid;
		goto drop;
	    }

	    /*
	     * Attach the volume, give up on this volume if we can't.
	     */
	    tv = VAttachVolumeByName(&error, pname, volname, V_READONLY);
	    if (error) {
		xInfoP->status = 0; /*things are messed up */
		strcpy(xInfoP->name, volname);
		xInfoP->volid = volid;
		Log("1 Volser: XListVolumes: Could not attach volume %u\n",
		    volid);
		goto drop;
	    }

	    /*
	     * Also bag out on this volume if it's been marked as needing a
	     * salvage or to-be-destroyed.
	     */
	    volDiskDataP = &(tv->header->diskstuff);
	    if (volDiskDataP->needsSalvaged) {
		xInfoP->status = 0;
		strcpy(xInfoP->name, volname);
		xInfoP->volid = volid;
		Log("1 Volser: XListVolumes: Volume %u needs to be salvaged\n",
		    volid);
		goto drop;
	    }

	    if (volDiskDataP->destroyMe == DESTROY_ME)
		goto drop2;

	    /*
	     * Pull out the desired info and stuff it into the area we'll be
	     * returning to our caller.
	     */
	    strcpy(xInfoP->name,volDiskDataP->name);
	    xInfoP->volid	 = volDiskDataP->id;
	    xInfoP->type	 = volDiskDataP->type;
	    xInfoP->backupID	 = volDiskDataP->backupId;
	    xInfoP->parentID	 = volDiskDataP->parentId;
	    xInfoP->cloneID	 = volDiskDataP->cloneId;
	    xInfoP->status	 = VOK;
	    xInfoP->copyDate	 = volDiskDataP->copyDate;
	    xInfoP->inUse	 = volDiskDataP->inUse;
	    xInfoP->creationDate = volDiskDataP->creationDate;
	    xInfoP->accessDate	 = volDiskDataP->accessDate;
	    xInfoP->updateDate	 = volDiskDataP->updateDate;
	    xInfoP->backupDate	 = volDiskDataP->backupDate;
	    now = FT_ApproxTime();
	    if (now - volDiskDataP->dayUseDate > OneDay)
	       xInfoP->dayUse	 = 0;
	    else
	       xInfoP->dayUse	 = volDiskDataP->dayUse;
	    xInfoP->filecount	 = volDiskDataP->filecount;
	    xInfoP->maxquota	 = volDiskDataP->maxquota;
	    xInfoP->size	 = volDiskDataP->diskused;

	    /*
	     * Copy out the stat fields in a single operation.
	     */
	    memcpy((char *)&(xInfoP->stat_reads[0]), (char *)&(volDiskDataP->stat_reads[0]), numStatBytes);

	    /*
	     * We're done copying.  Detach the volume and iterate.
	     */
	    VDetachVolume(&error, tv);
	    tv = (Volume *) 0;
	    if (error) {
		xInfoP->status = 0;
		strcpy(xInfoP->name, volname);
		Log("1 Volser: XListVolumes: Could not detach volume %s\n",
		    volname);
		goto drop;
	    }
	} /*Full contents desired*/
	else
	    /*
	     * Just volume IDs are needed.
	     */
	    xInfoP->volid = volid;

      drop:
	/*
	 * Drop the transaction we have for this volume.
	 */
	if(ttc) {
	    DeleteTrans(ttc);
	    ttc = (struct volser_trans *) 0;
	}

	/*
	 * Bump the pointer in the data area we're building, along with
	 * the count of the number of entries it contains.
	 */
        xInfoP++;
	(a_volumeXInfoP->volXEntries_len)++;
	if ((allocSize - a_volumeXInfoP->volXEntries_len) < 5) {
	    /*
	     * We're running out of space in the area we've built.  Grow it.
	     */
	    allocSize = (allocSize * 3)/2;
	    xInfoP = (volintXInfo *)
		realloc((char *) a_volumeXInfoP->volXEntries_val,
			(allocSize * sizeof(volintXInfo)));
	    if (xInfoP == NULL) {
		/*
		 * Bummer, no memory. Bag it, tell our caller what went wrong.
		 */
		if (tv) {
		    VDetachVolume(&error, tv);
		    tv = (Volume *) 0;
		}
		if (ttc) {
		    DeleteTrans(ttc);
		    ttc = (struct volser_trans *) 0;
		}
		closedir(dirp);
		return(VOLSERNO_MEMORY);
	    }

	    /*
	     * Memory reallocation worked.  Correct our pointers so they
	     * now point to the new block and the current open position within
	     * the new block.
	     */
	    a_volumeXInfoP->volXEntries_val = xInfoP;
	    xInfoP = a_volumeXInfoP->volXEntries_val +
		     a_volumeXInfoP->volXEntries_len;
	} /*Need more space*/

      drop2:
	/*
	 * Detach our current volume and the transaction on it, then move on
	 * to the next volume in the partition directory.
	 */
	if (tv) {
	    VDetachVolume(&error, tv);
	    tv = (Volume *) 0;
	}
        if (ttc) {
	    DeleteTrans(ttc);
	    ttc = (struct volser_trans *) 0;
	}
        GetNextVol(dirp, volname, &volid);
    } /*Sweep through the partition directory*/

    /*
     * We've examined all entries in the partition directory.  Close it,
     * delete our transaction (if any), and go home happy.
     */
    closedir(dirp);
    if (ttc)
	DeleteTrans(ttc);
    return(0);

} /*SAFSVolXListVolumes*/

/*this call is used to monitor the status of volser for debugging purposes.
 *information about all the active transactions is returned in transInfo*/
afs_int32 SAFSVolMonitor (acid,transInfo)
  struct rx_call *acid;
  transDebugEntries *transInfo;
{
  afs_int32 code;

  code = VolMonitor (acid,transInfo);
  osi_auditU(acid, VS_MonitorEvent, code, AUD_END);
  return code;
}

afs_int32 VolMonitor (acid,transInfo)
     struct rx_call *acid;
     transDebugEntries *transInfo;
{
    transDebugInfo *pntr;
    afs_int32 allocSize = 50;
    struct volser_trans *tt, *allTrans;

    transInfo->transDebugEntries_val = (transDebugInfo *) malloc(allocSize * sizeof(transDebugInfo));
    pntr = transInfo->transDebugEntries_val;
    transInfo->transDebugEntries_len = 0;
    allTrans = TransList();
    if(allTrans == (struct volser_trans *)0) return 0;/*no active transactions */
    for(tt=allTrans;tt;tt=tt->next){/*copy relevant info into pntr */
	pntr->tid = tt->tid;
	pntr->time = tt->time;
	pntr->creationTime = tt->creationTime;
	pntr->returnCode = tt->returnCode;
	pntr->volid = tt->volid;
	pntr->partition = tt->partition;
	pntr->iflags = tt->iflags;
	pntr->vflags = tt->vflags;
	pntr->tflags = tt->tflags;
	strcpy(pntr->lastProcName,tt->lastProcName);
	pntr->callValid = 0;
	if(tt->rxCallPtr) { /*record call related info */
	    pntr->callValid = 1;
	    pntr->readNext = tt->rxCallPtr->rnext;
	    pntr->transmitNext = tt->rxCallPtr->tnext;
	    pntr->lastSendTime = tt->rxCallPtr->lastSendTime;
	    pntr->lastReceiveTime = tt->rxCallPtr->lastReceiveTime;
	}
	pntr++;
	transInfo->transDebugEntries_len += 1;
	if((allocSize - transInfo->transDebugEntries_len) < 5) {/*alloc some more space */
	    allocSize = (allocSize *3)/2;
	    pntr  = (transDebugInfo *) realloc((char *) transInfo->transDebugEntries_val,allocSize * sizeof(transDebugInfo));
	    transInfo->transDebugEntries_val = pntr;
	    pntr = transInfo->transDebugEntries_val + transInfo->transDebugEntries_len;
	    /*set pntr to right position*/
	}
	    
    }
    
    return 0;
}

afs_int32 SAFSVolSetIdsTypes (acid,atid,name, type, pId, cloneId, backupId)
  struct rx_call *acid;
  afs_int32 type, pId, cloneId, backupId, atid;
  char name[];
{
  afs_int32 code;

  code = VolSetIdsTypes (acid,atid,name, type, pId, cloneId, backupId);
  osi_auditU(acid, VS_SetIdTyEvent, code, AUD_LONG, atid, 
                                          AUD_STR,  name,
	                                  AUD_STR,  type,
                                          AUD_LONG, pId,
	                                  AUD_LONG, cloneId, 
	                                  AUD_LONG, backupId, AUD_END);
  return code;
}

afs_int32 VolSetIdsTypes (acid,atid,name, type, pId, cloneId, backupId)
     struct rx_call *acid;
     afs_int32 type, pId, cloneId, backupId, atid;
     char name[];
{
    struct Volume *tv;
    afs_int32 error = 0;
    register struct volser_trans *tt; 
    char caller[MAXKTCNAMELEN];

    if (strlen(name)>31) return VOLSERBADNAME;
    if (!afsconf_SuperUser(tdir, acid, caller)) return VOLSERBAD_ACCESS;/*not a super user*/
    /* find the trans */
    tt = FindTrans(atid);
    if (!tt) return ENOENT;
    if (tt->vflags & VTDeleted) {
	Log("1 Volser: VolSetIds: volume %u has been deleted \n",tt->volid);
	TRELE(tt);
	return ENOENT;
    }
    strcpy(tt->lastProcName,"SetIdsTypes");
    tt->rxCallPtr = acid;
    tv = tt->volume;
   
    V_type(tv) = type;
    V_backupId(tv) = backupId;
    V_cloneId(tv) = cloneId;
    V_parentId(tv) = pId;
    strcpy((&V_disk(tv))->name,name);
    VUpdateVolume(&error, tv);
    if (error) {
	 Log("1 Volser: SetIdsTypes: VUpdate failed code %d\n", error);
	 LogError(error);
	goto fail;
    }
    tt->rxCallPtr = (struct rx_call *)0;
    if(TRELE(tt) && !error) return VOLSERTRELE_ERROR;
    
    return error;
fail:
    tt->rxCallPtr = (struct rx_call *)0;
    if(TRELE(tt) && !error) return VOLSERTRELE_ERROR;
    return error;
}

afs_int32 SAFSVolSetDate (acid,atid,cdate)
     struct rx_call *acid;
     afs_int32 atid, cdate;
{
  afs_int32 code;

  code = VolSetDate (acid,atid,cdate);
  osi_auditU(acid, VS_SetDateEvent, code, AUD_LONG, atid, AUD_LONG, cdate, AUD_END);
  return code;
}

afs_int32 VolSetDate (acid,atid,cdate)
     struct rx_call *acid;
     afs_int32 atid, cdate;
{
    struct Volume *tv;
    afs_int32 error = 0;
    register struct volser_trans *tt; 
    char caller[MAXKTCNAMELEN];

    if (!afsconf_SuperUser(tdir, acid, caller)) return VOLSERBAD_ACCESS;/*not a super user*/
    /* find the trans */
    tt = FindTrans(atid);
    if (!tt) return ENOENT;
    if (tt->vflags & VTDeleted) {
	Log("1 Volser: VolSetDate: volume %u has been deleted \n",tt->volid);
	TRELE(tt);
	return ENOENT;
    }
    strcpy(tt->lastProcName,"SetDate");
    tt->rxCallPtr = acid;
    tv = tt->volume;
   
    V_creationDate(tv) = cdate;   
    VUpdateVolume(&error, tv);
    if (error) {
	 Log("1 Volser: SetDate: VUpdate failed code %d\n", error);
	 LogError(error);
	goto fail;
    }
    tt->rxCallPtr = (struct rx_call *)0;
    if(TRELE(tt) && !error) return VOLSERTRELE_ERROR;
    
    return error;
fail:
    tt->rxCallPtr = (struct rx_call *)0;
    if(TRELE(tt) && !error) return VOLSERTRELE_ERROR;
    return error;
}

/* GetPartName - map partid (a decimal number) into pname (a string)
 * Since for NT we actually want to return the drive name, we map through the
 * partition struct.
 */
static int GetPartName(afs_int32 partid, char *pname)
{   
    if (partid < 0)
	return -1;
    if(partid < 26) {
        strcpy(pname,"/vicep");
	pname[6] = 'a' + partid;
	pname[7] = '\0';
	return 0;
    } else if (partid < VOLMAXPARTS) {
        strcpy(pname,"/vicep");
	partid -= 26;
	pname[6] = 'a' + (partid / 26);
	pname[7] = 'a' + (partid % 26);
	pname[8] = '\0';
	return 0;
    }
    else return -1;
}
