2 * Copyright 2000, International Business Machines Corporation and others.
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
11 * Implementation of the volume operations used by the AFS user
16 * --------------------- Required definitions ---------------------
18 #include <afsconfig.h>
19 #include <afs/param.h>
22 #include "uss_vol.h" /*Interface to this module */
23 #include "uss_common.h" /*Common definitions */
24 #include "uss_procs.h" /*Defs from procs module */
25 #include "uss_fs.h" /*CacheManager ops */
34 #include <afs/com_err.h>
35 #include <afs/vlserver.h>
36 #include <afs/vldbint.h>
38 #include <afs/cellconfig.h>
39 #include <rx/rx_globals.h>
40 #include <afs/volser.h>
41 #include <afs/volser_prototypes.h>
42 #include <afs/volint.h>
44 #include <afs/afsutil.h>
50 * ---------------------- Private definitions ---------------------
53 #undef USS_VOL_DB_SHOW_OVERRIDES
57 * --------------------- Exported definitions ---------------------
60 * The Volume Server interface imports the Ubik connection
61 * structure to use, expecting it to be named "cstruct". This
62 * is why we have two names here. Thus, the UV_CreateVolume()
63 * will work and we can avoid nasty little core dumps.
65 struct ubik_client *uconn_vldbP; /*Ubik connection struct */
66 struct ubik_client *cstruct; /*Required name for above */
69 * ------------------------ Private globals -----------------------
71 static int initDone = 0; /*Module initialized? */
72 static int NoAuthFlag = 0; /*Use -noauth? */
73 static struct rx_connection
74 *serverconns[VLDB_MAXSERVERS]; /*Connection(s) to VLDB
78 /*-----------------------------------------------------------------------
79 * static InitThisModule
82 * Set up this module, namely set up all the client state for
83 * dealing with the Volume Location Server(s), including
84 * network connections.
87 * a_noAuthFlag : Do we need authentication?
88 * a_confDir : Configuration directory to use.
89 * a_cellName : Cell we want to talk to.
92 * 0 if everything went fine, or
93 * lower-level error code otherwise.
96 * This routine will only be called once.
100 *------------------------------------------------------------------------*/
103 InitThisModule(int a_noAuthFlag, char *a_confDir, char *a_cellName)
104 { /*InitThisModule */
106 static char rn[] = "uss_vol:InitThisModule";
108 register afs_int32 code; /*Return code */
109 struct afsconf_dir *tdir; /*Ptr to conf dir info */
110 struct afsconf_cell info; /*Info about chosen cell */
111 afs_int32 scIndex; /*Chosen security index */
113 struct rx_securityClass *sc; /*Generated security object */
114 afs_int32 i; /*Loop index */
117 * Only once, guys, will 'ya?
121 printf("[%s] Called multiple times!\n", rn);
122 #endif /* USS_VOL_DB */
127 * Set up our Rx environment.
130 printf("[%s] Initializing Rx environment\n", rn);
131 #endif /* USS_VOL_DB */
134 fprintf(stderr, "%s: Couldn't initialize Rx.\n", uss_whoami);
137 rx_SetRxDeadTime(50);
140 * Find out all about our configuration.
143 printf("[%s] Handling configuration info\n", rn);
144 #endif /* USS_VOL_DB */
145 tdir = afsconf_Open(a_confDir);
147 fprintf(stderr, "%s: Couldn't open configuration directory (%s).\n",
148 uss_whoami, a_confDir);
151 code = afsconf_GetCellInfo(tdir, a_cellName, AFSCONF_VLDBSERVICE, &info);
153 printf("%s: Can't find VLDB server(s) for cell %s\n", uss_whoami,
158 printf("[%s] Getting tickets if needed\n", rn);
159 #endif /* USS_VOL_DB */
161 secFlags = AFSCONF_SECOPTS_FALLBACK_NULL;
163 secFlags |= AFSCONF_SECOPTS_NOAUTH;
165 code = afsconf_PickClientSecObj(tdir, secFlags, &info, a_cellName,
166 &sc, &scIndex, NULL);
168 printf("%s: Can't create client security object\n", uss_whoami);
171 if (scIndex == RX_SECIDX_NULL && !a_noAuthFlag) {
173 "%s: Couldn't get AFS tokens, running unauthenticated.\n",
178 * Tell UV module about default authentication.
181 printf("[%s] Setting UV security: obj 0x%x, index %d\n", rn, sc, scIndex);
182 #endif /* USS_VOL_DB */
183 UV_SetSecurity(sc, scIndex);
184 if (info.numServers > VLDB_MAXSERVERS) {
185 fprintf(stderr, "%s: info.numServers=%d (> VLDB_MAXSERVERS=%d)\n",
186 uss_whoami, info.numServers, VLDB_MAXSERVERS);
191 * Connect to each VLDB server for the chosen cell.
193 for (i = 0; i < info.numServers; i++) {
196 ("[%s] Connecting to VLDB server 0x%x, port %d, service id %d\n",
197 rn, info.hostAddr[i].sin_addr.s_addr, info.hostAddr[i].sin_port,
199 #endif /* USS_VOL_DB */
201 rx_NewConnection(info.hostAddr[i].sin_addr.s_addr,
202 info.hostAddr[i].sin_port, USER_SERVICE_ID, sc,
207 * Set up to execute Ubik transactions on the VLDB.
210 printf("[%s] Initializing Ubik interface\n", rn);
211 #endif /* USS_VOL_DB */
212 code = ubik_ClientInit(serverconns, &uconn_vldbP);
214 fprintf(stderr, "%s: Ubik client init failed.\n", uss_whoami);
218 printf("[%s] VLDB ubik connection structure at 0x%x\n", rn, uconn_vldbP);
219 #endif /* USS_VOL_DB */
222 * Place the ubik VLDB connection structure in its advertised
225 cstruct = uconn_vldbP;
233 } /*InitThisModule */
236 /*-----------------------------------------------------------------------
237 * static HostIDToHostName
240 * Given a host ID (in network byte order), figure out the
241 * corresponding host name.
244 * a_hostID : Host ID in network byte order.
245 * a_hostName : Ptr to host name buffer.
251 * This routine simply calls the hostutil_GetNameByINet()
252 * function exported by the utility library (util.a).
256 *------------------------------------------------------------------------*/
259 HostIDToHostName(afs_int32 a_hostID, char *a_hostName)
260 { /*HostIDToHostName */
262 strcpy(a_hostName, hostutil_GetNameByINet(a_hostID));
264 } /*HostIDToHostName */
267 /*-----------------------------------------------------------------------
268 * static PartIDToPartName
271 * Given a partition ID (in network byte order), figure out the
272 * corresponding partition name.
275 * a_partID : Partition ID in network byte order.
276 * a_partName : Ptr to partition name buffer.
279 * 0 if everything went well, or
280 * -1 if the given partition ID couldn't be translated.
283 * Nothing interesting.
287 *------------------------------------------------------------------------*/
290 PartIDToPartName(afs_int32 a_partID, char *a_partName)
291 { /*PartIDToPartName */
293 static char rn[] = "PartIDToPartName";
296 printf("[%s] Translating partition id %d to its name\n", rn, a_partID);
297 #endif /* USS_VOL_DB */
299 if ((a_partID < 0) || (a_partID > VOLMAXPARTS))
303 strcpy(a_partName, "/vicep");
304 a_partName[6] = a_partID + 'a';
305 a_partName[7] = '\0';
307 strcpy(a_partName, "/vicep");
309 a_partName[6] = 'a' + (a_partID / 26);
310 a_partName[7] = 'a' + (a_partID % 26);
311 a_partName[8] = '\0';
315 printf("[%s] Translation for part ID %d is '%s'\n", rn, a_partID,
317 #endif /* USS_VOL_DB */
320 } /*PartIDToPartName */
323 /*------------------------------------------------------------------------
324 * EXPORTED uss_Vol_GetServer
327 * Nothing interesting.
331 *------------------------------------------------------------------------*/
334 uss_vol_GetServer(char *a_name)
335 { /*uss_vol_GetServer */
337 register struct hostent *th;
339 afs_int32 b1, b2, b3, b4;
340 register afs_int32 code;
342 code = sscanf(a_name, "%d.%d.%d.%d", &b1, &b2, &b3, &b4);
345 * Parsed as 128.2.9.4, or similar; return it in network
346 * byte order (128 in byte 0).
348 addr = (b1 << 24) | (b2 << 16) | (b3 << 8) | b4;
352 th = gethostbyname(a_name);
355 memcpy(&addr, th->h_addr, sizeof(addr));
358 } /*uss_vol_GetServer */
360 /* XXX - This function is unused, and could be deleted */
362 /*------------------------------------------------------------------------
363 * static GetVolumeType
366 * Translate the given char string representing a volume type to the
367 * numeric representation.
370 * a_type : Char string volume type.
373 * One of ROVOL, RWVOL, BACKVOL, or -1 on failure.
376 * Nothing interesting.
380 *------------------------------------------------------------------------*/
383 GetVolumeType(char *a_type)
386 if (!strcmp(a_type, "ro"))
388 else if (!strcmp(a_type, "rw"))
390 else if (!strcmp(a_type, "bk"))
398 /*------------------------------------------------------------------------
399 * EXPORTED uss_Vol_GetPartitionID
402 * It is assumed that partition names may begin with ``/vicep''.
406 *------------------------------------------------------------------------*/
409 uss_vol_GetPartitionID(char *a_name)
410 { /*uss_vol_GetPartitionID */
420 * Numbers go straight through.
422 if (tc >= '0' && tc <= '9') {
423 return (atoi(a_name));
427 * Otherwise, check for vicepa or /vicepa, or just plain "a"
430 if (strlen(a_name) <= 2) {
431 strcpy(ascii, a_name);
432 } else if (!strncmp(a_name, "/vicep", 6)) {
433 strncpy(ascii, a_name + 6, 2);
434 } else if (!strncmp(a_name, "vicep", 5)) {
435 strncpy(ascii, a_name + 5, 2);
440 * Now, partitions are named /vicepa ... /vicepz, /vicepaa, /vicepab,
441 * .../vicepzz, and are numbered from 0. Do the appropriate conversion.
445 * Single-char name, 0..25
447 if (ascii[0] < 'a' || ascii[0] > 'z')
448 return (-1); /* wrongo */
449 return (ascii[0] - 'a');
452 * Two-char name, 26 .. <whatever>
454 if (ascii[0] < 'a' || ascii[0] > 'z')
456 if (ascii[1] < 'a' || ascii[1] > 'z')
458 return ((ascii[0] - 'a') * 26 + (ascii[1] - 'a') + 26);
460 } /*uss_vol_GetPartitionID */
463 /*-----------------------------------------------------------------------
464 * static CheckDoubleMount
467 * Make sure we're not trying to mount a volume in the same place
471 * a_mp : Mountpoint pathname to check.
472 * a_oldmp : Ptr to buffer into which the old value of the
473 * mountpoint is placed (if any).
476 * 0 if the volume was not previously mounted.
477 * uss_procs_ANCIENT if there was already a mountpoint AND the
478 * user was already recorded in the password
480 * uss_procs_YOUNG if there was a mountpoint for the user taken
481 * from the directory pool, yet the user was not
482 * yet in the password file.
485 * Nothing interesting.
488 * May fill in the a_oldmp buffer with the value of the old
490 *------------------------------------------------------------------------*/
493 CheckDoubleMount(char *a_mp, char *a_oldmp)
494 { /*CheckDoubleMount */
497 static char rn[] = "uss_vol:CheckDoubleMount";
499 int start, len, mlen, tlen;
504 pws = getpwuid(atoi(uss_Uid));
507 * User exists in the password file, so they've been fully
508 * created and integrated. Return the ``ancient'' mountpoint.
510 strcpy(a_oldmp, pws->pw_dir);
511 return (uss_procs_ANCIENT);
516 * $AUTO used. Search among the possible directories.
518 len = strlen(uss_Auto);
520 while (strncmp(&a_mp[i], uss_Auto, len)) {
521 a_oldmp[i] = a_mp[i];
522 if (++i > (mlen - len)) {
527 if ((start = i) != -1) {
529 * $AUTO used in mountpoint.
531 for (i = 0; i < uss_NumGroups; i++) {
533 * Copy in the base and tail components.
535 tlen = strlen(uss_DirPool[i]);
536 strncpy(&a_oldmp[start], uss_DirPool[i], tlen);
537 strcpy(&a_oldmp[start + tlen], &a_mp[start + len]);
539 printf("%s: Checking '%s' for mount point\n", rn, a_oldmp);
540 #endif /* USS_VOL_DB */
541 if (lstat(a_oldmp, &stbuf) == 0) /*mp exists */
542 if (strcmp(a_oldmp, a_mp))
543 /* and is different */
545 * The old mount point exists and is different
546 * from the current one, so return the fact
547 * that we have a ``young'' mountpoint.
549 return (uss_procs_YOUNG);
550 } /*Check each $AUTO directory */
554 /*$AUTO has been used */
556 * No luck finding the old mount point, so we just return that
557 * this is the first time we've seen this volume.
561 } /*CheckDoubleMount */
564 /*------------------------------------------------------------------------
565 * EXPORTED uss_vol_CreateVol
568 * Called from the code generated by the uss grammar.
572 *------------------------------------------------------------------------*/
575 uss_vol_CreateVol(char *a_volname, char *a_server, char *a_partition,
576 char *a_quota, char *a_mpoint, char *a_owner,
578 { /*uss_vol_CreateVol */
580 static char rn[] = "uss_vol_CreateVol"; /*Routine name */
582 afs_int32 pname; /*Partition name */
583 afs_uint32 volid; /*Volume ID */
584 afs_int32 code; /*return code */
585 afs_int32 saddr; /*Socket info for server */
586 int VolExistFlag = 0; /*Does the volume exist? */
587 int mpExistFlag = 0; /*Does the mountpoint exist? */
588 char *Oldmpoint = NULL; /*Old mountpoint name, if any */
589 char tmp_str[uss_MAX_SIZE]; /*Useful string buffer */
590 int o; /*Owner's user id */
591 char userinput[64]; /*User's input */
592 struct uss_subdir *new_dir; /*Used to remember original ACL */
595 * Don't do anything if there's already a problem.
601 fprintf(stderr, "%s:uss_vol_CreateVol params:\n", rn);
603 "%s: volname '%s', server '%s', partition '%s', quota '%s', mpoint '%s', owner '%s', acl '%s'\n",
604 rn, a_volname, a_server, a_partition, a_quota, a_mpoint, a_owner,
606 #endif /* USS_VOL_DB */
609 * All of the parameters passed in are taken from the template
610 * file. Override these values if the user has explicitly set
611 * them, namely if the uss commons have non-null strings.
613 if (uss_Server[0] != '\0') {
614 #ifdef USS_VOL_DB_SHOW_OVERRIDES
617 "%s: Overriding server field: template value is '%s', overridden to '%s'\n",
618 rn, a_server, uss_Server);
619 #endif /* USS_VOL_DB_SHOW_OVERRIDES */
620 a_server = uss_Server;
623 if (uss_Partition[0] != '\0') {
624 #ifdef USS_VOL_DB_SHOW_OVERRIDES
627 "%s: Overriding partition field: template value is '%s', overridden to '%s'\n",
628 rn, a_partition, uss_Partition);
629 #endif /* USS_VOL_DB_SHOW_OVERRIDES */
630 a_partition = uss_Partition;
633 if (uss_MountPoint[0] != '\0') {
634 #ifdef USS_VOL_DB_SHOW_OVERRIDES
637 "%s: overriding mountpoint field: template value is '%s', overridden to '%s'\n",
638 rn, a_mpoint, uss_MountPoint);
639 #endif /* USS_VOL_DB_SHOW_OVERRIDES */
640 a_mpoint = uss_MountPoint;
642 #ifdef USS_VOL_DB_SHOW_OVERRIDES
643 printf("%s: Params after overrides:\n", uss_whoami);
645 ("%s: volname '%s', server '%s', partition '%s', quota '%s', mpoint '%s', owner '%s', acl '%s'\n",
646 uss_whoami, a_volname, a_server, a_partition, a_quota, a_mpoint,
648 #endif /* USS_VOL_DB_SHOW_OVERRIDES */
652 "Creating volume '%s' on server '%s', partition '%s'\n",
653 a_volname, a_server, a_partition);
655 saddr = uss_vol_GetServer(a_server);
657 uss_procs_PrintErr(line,
658 "File server '%s' not found in config info\n",
662 pname = uss_vol_GetPartitionID(a_partition);
664 uss_procs_PrintErr(line, "Couldn't interpret partition name '%s'\n",
670 * Make sure our VLDB connection(s) is/are set up before actually
671 * trying to perform a volume creation creation.
674 code = InitThisModule(NoAuthFlag, uss_ConfDir, uss_Cell);
676 afs_com_err(uss_whoami, code,
677 "while inititializing VLDB connection(s)\n");
681 /*Initialize VLDB connection(s) */
684 printf("%s: Creating volume on srv 0x%x, part %d, vol name '%s'\n",
685 rn, saddr, pname, a_volname);
686 #endif /* USS_VOL_DB */
687 code = UV_CreateVolume(saddr, pname, a_volname, &volid);
689 if (code == VL_NAMEEXIST) {
692 "%s: Warning; Volume '%s' exists, using existing one.\n",
693 uss_whoami, a_volname);
696 * We should get the volid here if we want to use it, but
697 * we don't need it right now. What we DO need, though, is
698 * to ask our caller if it's OK to overwrite the user's files
699 * if they're pre-existing.
701 if (!uss_OverwriteThisOne) {
703 ("Overwrite files in pre-existing '%s' volume? [y, n]: ",
705 scanf("%s", userinput);
706 if ((userinput[0] == 'y') || (userinput[0] == 'Y')) {
707 printf("\t[Overwriting allowed]\n");
708 uss_OverwriteThisOne = 1;
710 printf("\t[Overwriting not permitted]\n");
711 } /*Overwriting not previously allowed */
712 } /*Volume already existed */
714 uss_procs_PrintErr(line,
715 "Couldn't create volume '%s' [error %d]: %s\n",
716 a_volname, code, strerror(errno));
718 } /*Failure was NOT because it already existed */
719 } /*UV_CreateVolume failed */
723 "\t[Dry run: Creating volume '%s' on '%s', partition '%s']\n",
724 a_volname, a_server, a_partition);
727 /* OK, we want to make sure we don't double-mount the volume.
728 * If the volume existed, it can be the case that it is
729 * already mounted somewhere else (because of $AUTO or others).
730 * Let's check for that. Note: we never enter this portion of
731 * the code if we're doing a dry run.
734 if ((Oldmpoint = (char *)malloc(strlen(a_mpoint) + 50)) == NULL) {
735 fprintf(stderr, "%s: No more memory!\n", uss_whoami);
739 mpExistFlag = CheckDoubleMount(a_mpoint, Oldmpoint);
740 if (mpExistFlag == uss_procs_ANCIENT) {
742 "%s:\t*** WARNING ***; This user (%s) is already in passwd file (or equivalent). IGNORED.\n",
743 uss_whoami, uss_User);
745 uss_syntax_err = 1; /*I know, I know, it's not a SYNTAX error */
749 if (mpExistFlag == uss_procs_YOUNG) {
751 "%s: Warning; Volume '%s' is already mounted on %s. Using the existing one.\n",
752 uss_whoami, a_volname, Oldmpoint);
753 a_mpoint = Oldmpoint;
757 if (mpExistFlag == 0) {
758 extern int local_Cell;
763 sprintf(tmp_str, "#%s.", a_volname);
765 sprintf(tmp_str, "#%s:%s.", uss_Cell, a_volname);
767 if (symlink(tmp_str, a_mpoint)) {
768 if (errno == EEXIST) {
770 "%s: Warning: Mount point '%s' already exists.\n",
771 uss_whoami, a_mpoint);
774 "%s: Can't mount volume '%s' on '%s': %s\n",
775 uss_whoami, a_volname, a_mpoint, strerror(errno));
779 } /*There was already something mounted there */
783 fprintf(stderr, "\t[Dry run: Mounting '%s' at '%s']\n", tmp_str,
788 /*Mount point didn't already exist */
790 * Set the volume disk quota.
793 if ((code = uss_acl_SetDiskQuota(a_mpoint, atoi(a_quota))))
798 "\t[Dry run: Setting disk quota for '%s' to %s blocks]\n",
802 /*Copy mpoint into $MTPT for others to use */
803 strcpy(uss_MountPoint, a_mpoint);
805 o = uss_procs_GetOwner(a_owner);
807 if (chown(a_mpoint, o, -1)) {
809 "%s: Can't chown() mountpoint '%s' to owner '%s' (uid %d): %s\n",
810 uss_whoami, a_mpoint, a_owner, o, strerror(errno));
818 "\t[Dry run: chown() mountpoint '%s' to be owned by user]\n",
823 * Set the ACL on the user's home directory so that, for the duration of
824 * the account creation, only the uss_AccountCreator has any rights on the
825 * files therein. Make sure to clear this ACL to remove anyone that might
826 * already be there due to volume creation defaults. We will set this ACL
827 * properly, as well as all ACLs of future subdirectories,as the very last
828 * thing we do to the new account.
830 new_dir = (struct uss_subdir *)malloc(sizeof(struct uss_subdir));
831 new_dir->previous = uss_currentDir;
832 new_dir->path = (char *)malloc(strlen(a_mpoint) + 1);
833 strcpy(new_dir->path, a_mpoint);
834 new_dir->finalACL = (char *)malloc(strlen(a_acl) + 1);
835 strcpy(new_dir->finalACL, a_acl);
836 uss_currentDir = new_dir;
837 sprintf(tmp_str, "%s %s all", a_mpoint, uss_AccountCreator);
844 fprintf(stderr, "Setting ACL: '%s'\n", tmp_str);
845 if (uss_acl_SetAccess(tmp_str, 1, 0))
849 fprintf(stderr, "\t[Dry run: uss_acl_SetAccess(%s)]\n", tmp_str);
852 } /*uss_vol_CreateVol */
855 /*------------------------------------------------------------------------
856 * EXPORTED uss_vol_DeleteVol
859 * Nothing interesting.
863 *------------------------------------------------------------------------*/
866 uss_vol_DeleteVol(char *a_volName, afs_int32 a_volID, char *a_servName,
867 afs_int32 a_servID, char *a_partName, afs_int32 a_partID)
868 { /*uss_vol_DeleteVol */
871 static char rn[] = "uss_vol_DeleteVol"; /*Routine name */
873 register afs_int32 code = 0; /*Return code */
876 * Make sure we've initialized our VLDB connection(s) before
880 code = InitThisModule(NoAuthFlag, uss_ConfDir, uss_Cell);
887 * Go for the deletion.
891 ("%s: Deleting volume '%s' (ID %d) on FileServer '%s' (0x%x), partition '%s' (%d)\n",
892 rn, a_volName, a_volID, a_servName, a_servID, a_partName,
894 #endif /* USS_VOL_DB */
896 code = UV_DeleteVolume(a_servID, a_partID, a_volID);
898 printf("%s: Can't delete volume '%s'\n", uss_whoami, a_volName);
900 printf("\t[Dry run - volume '%s' NOT removed]\n", a_volName);
904 } /*uss_vol_DeleteVol */
907 /*------------------------------------------------------------------------
908 * static GetServerAndPart
911 * Given a VLDB entry, return the server and partition IDs for
912 * the read/write volume.
915 * a_vldbEntryP : Ptr to VLDB entry.
916 * a_servIDP : Ptr to server ID to set.
917 * a_partIDP : Ptr to partition ID to set.
920 * 0 if everything went well, or
924 * Nothing interesting.
928 *------------------------------------------------------------------------*/
931 GetServerAndPart(struct nvldbentry *a_vldbEntryP, afs_int32 *a_servIDP,
932 afs_int32 *a_partIDP)
933 { /*GetServerAndPart */
936 * It really looks like all we need to do is pull off the
937 * first entry's info.
939 *a_servIDP = a_vldbEntryP->serverNumber[0];
940 *a_partIDP = a_vldbEntryP->serverPartition[0];
943 } /*GetServerAndPart */
946 /*------------------------------------------------------------------------
947 * static ovlentry_to_nvlentry
950 * Converts a vldbentry to nvldbentry.
953 * oentryp IN : Ptr to vldbentry.
954 * nentryp OUT : Ptr to nvldbentry.
960 * Nothing interesting.
964 *------------------------------------------------------------------------*/
967 ovlentry_to_nvlentry(struct vldbentry *oentryp,
968 struct nvldbentry *nentryp)
972 memset(nentryp, 0, sizeof(struct nvldbentry));
973 strncpy(nentryp->name, oentryp->name, sizeof(nentryp->name));
974 for (i = 0; i < oentryp->nServers; i++) {
975 nentryp->serverNumber[i] = oentryp->serverNumber[i];
976 nentryp->serverPartition[i] = oentryp->serverPartition[i];
977 nentryp->serverFlags[i] = oentryp->serverFlags[i];
979 nentryp->nServers = oentryp->nServers;
980 for (i = 0; i < MAXTYPES; i++)
981 nentryp->volumeId[i] = oentryp->volumeId[i];
982 nentryp->cloneId = oentryp->cloneId;
983 nentryp->flags = oentryp->flags;
987 /*------------------------------------------------------------------------
988 * static uss_vol_GetEntryByID
991 * Obtains a nvldbentry whether new or old forms of
992 * ubik_VL_GetEntryByID are required.
995 * cstruct : Ptr to ubik_client.
996 * volid : Volume ID for which entry is being obtained.
997 * voltype : Required volume type
998 * entryp : Ptr to nvldbentry to receive the output on success.
1001 * 0 if everything went well, or
1002 * ubik return code otherwise.
1005 * Nothing interesting.
1009 *------------------------------------------------------------------------*/
1012 uss_vol_GetEntryByID(struct ubik_client *cstruct, afs_uint32 volid,
1013 afs_int32 voltype, struct nvldbentry *entryp)
1015 struct vldbentry oentry;
1018 code = ubik_VL_GetEntryByIDN(cstruct, 0, volid, voltype, entryp);
1019 if (code == RXGEN_OPCODE) {
1021 ubik_VL_GetEntryByID(cstruct, 0, volid, voltype, &oentry);
1023 ovlentry_to_nvlentry(&oentry, entryp);
1029 /*------------------------------------------------------------------------
1030 * EXPORTED uss_vol_GetVolInfoFromMountPoint
1033 * If the mountpoint path provided is not
1037 *------------------------------------------------------------------------*/
1040 uss_vol_GetVolInfoFromMountPoint(char *a_mountpoint)
1041 { /*uss_vol_GetVolInfoFromMountPoint */
1043 static char rn[] = "uss_vol_GetVolInfoFromMountPoint";
1045 register afs_int32 code; /*Return code */
1046 uss_VolumeStatus_t *statusP; /*Ptr to returned status */
1047 afs_int32 volID; /*Volume ID */
1048 struct nvldbentry vldbEntry; /*VLDB entry for volume */
1049 afs_int32 serverID; /*Addr of host FileServer */
1050 afs_int32 partID; /*Volume's partition ID */
1053 * Set up to ask the CacheManager to give us all the info
1054 * it has about the given mountpoint.
1056 code = uss_fs_GetVolStat(a_mountpoint, uss_fs_OutBuff, USS_FS_MAX_SIZE);
1058 printf("[%s] Result of uss_fs_GetVolStat: code = %d, errno = %d\n", rn,
1060 #endif /* USS_VOL_DB */
1062 if (errno == EINVAL || errno == ENOENT || errno == ENODEV) {
1064 * We were given a mountpoint pathname that doesn't
1065 * point to a volume, or a mountpoint that has already
1066 * been deleted. This means that there is no info
1067 * to get from this pathname. Zero out the volume,
1068 * server & partition info and return successfully.
1070 uss_Volume[0] = '\0';
1071 uss_Server[0] = '\0';
1072 uss_Partition[0] = '\0';
1075 uss_PartitionID = 0;
1077 printf("%s: Warning: Mountpoint pathname '%s': ", uss_whoami,
1079 if (errno == EINVAL)
1080 printf("Volume not reachable\n");
1081 else if (errno == ENODEV)
1082 printf("No such device\n");
1084 printf("Not found\n");
1088 printf("%s: Can't get volume information from mountpoint '%s'\n",
1089 uss_whoami, a_mountpoint);
1094 /*Can't get volume status */
1096 * Pull out the volume name from the returned information and store
1097 * it in the common area. It resides right after the basic volume
1100 statusP = (uss_VolumeStatus_t *) uss_fs_OutBuff;
1101 strcpy(uss_Volume, (((char *)statusP) + sizeof(*statusP)));
1102 volID = statusP->Vid;
1103 uss_VolumeID = volID;
1105 printf("%s: Illegal volume ID: %d\n", uss_whoami, volID);
1110 * With the volume name in hand, find out where that volume
1111 * lives. Make sure our VLDB stuff has been initialized first.
1114 code = InitThisModule(NoAuthFlag, uss_ConfDir, uss_Cell);
1118 code = uss_vol_GetEntryByID( uconn_vldbP, volID, -1, &vldbEntry);
1120 printf("%s: Can't fetch VLDB entry for volume ID %d\n", uss_whoami,
1126 * Translate the given VLDB entry from network to host format, then
1127 * checking on the volume's validity. Specifically, it must be a
1128 * read/write volume and must only exist on one server.
1130 MapHostToNetwork(&vldbEntry);
1131 if (vldbEntry.volumeId[RWVOL] != volID) {
1132 printf("%s: Volume '%s' (ID %d) is not a read/write volume!!\n",
1133 uss_whoami, uss_Volume, volID);
1136 if (vldbEntry.nServers != 1) {
1137 printf("%s: Volume '%s' (ID %d) exists on multiple servers!!\n",
1138 uss_whoami, uss_Volume, volID);
1143 * Pull out the int32words containing the server and partition info
1144 * for the read/write volume.
1146 code = GetServerAndPart(&vldbEntry, &serverID, &partID);
1149 ("%s: Can't get server/partition info from VLDB entry for volume '%s' (ID %d)\n",
1150 uss_whoami, uss_Volume, volID);
1155 * Store the raw data, then translate the FileServer address to a
1156 * host name, and the partition ID to a partition name.
1158 uss_ServerID = serverID;
1159 uss_PartitionID = partID;
1160 HostIDToHostName(serverID, uss_Server);
1162 printf("[%s] Server ID 0x%x translated to '%s'\n", rn, serverID,
1164 #endif /* USS_VOL_DB */
1165 code = PartIDToPartName(partID, uss_Partition);
1167 printf("%s: Error translating partition ID %d to partition name\n",
1168 uss_whoami, partID);
1173 * We got it, home boy.
1177 } /*uss_vol_GetVolInfoFromMountPoint */