source3/modules/vfs_gpfs.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Wrap gpfs calls in vfs functions.
   4
   5    Copyright (C) Christian Ambach <cambach1@de.ibm.com> 2006
   6
   7    Major code contributions by Chetan Shringarpure <chetan.sh@in.ibm.com>
   8                             and Gomati Mohanan <gomati.mohanan@in.ibm.com>
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24 #include "includes.h"
  25 #include "smbd/smbd.h"
  26 #include "librpc/gen_ndr/ndr_xattr.h"
  27 #include "include/smbprofile.h"
  28 #include "modules/non_posix_acls.h"
  29 #include "libcli/security/security.h"
  30
  31 #undef DBGC_CLASS
  32 #define DBGC_CLASS DBGC_VFS
  33
  34 #include <gpfs_fcntl.h>
  35 #include "nfs4_acls.h"
  36 #include "vfs_gpfs.h"
  37 #include "system/filesys.h"
  38 #include "auth.h"
  39 #include "lib/util/tevent_unix.h"
  40
  41 struct gpfs_config_data {
  42         bool sharemodes;
  43         bool leases;
  44         bool hsm;
  45         bool syncio;
  46         bool winattr;
  47         bool ftruncate;
  48         bool getrealfilename;
  49         bool dfreequota;
  50         bool prealloc;
  51         bool acl;
  52         bool settimes;
  53         bool recalls;
  54 };
  55
  56 static inline unsigned int gpfs_acl_flags(gpfs_acl_t *gacl)
  57 {
  58         if (gacl->acl_level == 1) { /* GPFS_ACL_LEVEL_V4FLAGS */
  59                 /* gacl->v4Level1.acl_flags requires gpfs 3.5 */
  60                 return *(unsigned int *)&gacl->ace_v4;
  61         }
  62         return 0;
  63 }
  64
  65 static inline gpfs_ace_v4_t *gpfs_ace_ptr(gpfs_acl_t *gacl, unsigned int i)
  66 {
  67         if (gacl->acl_level == 1) { /* GPFS_ACL_LEVEL_V4FLAGS */
  68                 /* &gacl->v4Level1.ace_v4[i] requires gpfs 3.5 */
  69                 char *ptr = (char *)&gacl->ace_v4[i] + sizeof(unsigned int);
  70                 return (gpfs_ace_v4_t *)ptr;
  71         }
  72         return &gacl->ace_v4[i];
  73 }
  74
  75 static bool set_gpfs_sharemode(files_struct *fsp, uint32 access_mask,
  76                                uint32 share_access)
  77 {
  78         unsigned int allow = GPFS_SHARE_NONE;
  79         unsigned int deny = GPFS_DENY_NONE;
  80         int result;
  81
  82         if ((fsp == NULL) || (fsp->fh == NULL) || (fsp->fh->fd < 0)) {
  83                 /* No real file, don't disturb */
  84                 return True;
  85         }
  86
  87         allow |= (access_mask & (FILE_WRITE_DATA|FILE_APPEND_DATA|
  88                                  DELETE_ACCESS)) ? GPFS_SHARE_WRITE : 0;
  89         allow |= (access_mask & (FILE_READ_DATA|FILE_EXECUTE)) ?
  90                 GPFS_SHARE_READ : 0;
  91
  92         if (allow == GPFS_SHARE_NONE) {
  93                 DEBUG(10, ("special case am=no_access:%x\n",access_mask));
  94         }
  95         else {
  96                 deny |= (share_access & FILE_SHARE_WRITE) ?
  97                         0 : GPFS_DENY_WRITE;
  98                 deny |= (share_access & (FILE_SHARE_READ)) ?
  99                         0 : GPFS_DENY_READ;
 100         }
 101         DEBUG(10, ("am=%x, allow=%d, sa=%x, deny=%d\n",
 102                    access_mask, allow, share_access, deny));
 103
 104         result = gpfswrap_set_share(fsp->fh->fd, allow, deny);
 105         if (result != 0) {
 106                 if (errno == ENOSYS) {
 107                         DEBUG(5, ("VFS module vfs_gpfs loaded, but gpfs "
 108                                   "set_share function support not available. "
 109                                   "Allowing access\n"));
 110                         return True;
 111                 } else {
 112                         DEBUG(10, ("gpfs_set_share failed: %s\n",
 113                                    strerror(errno)));
 114                 }
 115         }
 116
 117         return (result == 0);
 118 }
 119
 120 static int vfs_gpfs_kernel_flock(vfs_handle_struct *handle, files_struct *fsp,
 121                                  uint32 share_mode, uint32 access_mask)
 122 {
 123
 124         struct gpfs_config_data *config;
 125         int ret = 0;
 126
 127         START_PROFILE(syscall_kernel_flock);
 128
 129         SMB_VFS_HANDLE_GET_DATA(handle, config,
 130                                 struct gpfs_config_data,
 131                                 return -1);
 132
 133         if(!config->sharemodes) {
 134                 return 0;
 135         }
 136
 137         kernel_flock(fsp->fh->fd, share_mode, access_mask);
 138
 139         if (!set_gpfs_sharemode(fsp, access_mask, fsp->share_access)) {
 140                 ret = -1;
 141         }
 142
 143         END_PROFILE(syscall_kernel_flock);
 144
 145         return ret;
 146 }
 147
 148 static int vfs_gpfs_close(vfs_handle_struct *handle, files_struct *fsp)
 149 {
 150
 151         struct gpfs_config_data *config;
 152
 153         SMB_VFS_HANDLE_GET_DATA(handle, config,
 154                                 struct gpfs_config_data,
 155                                 return -1);
 156
 157         if (config->sharemodes && (fsp->fh != NULL) && (fsp->fh->fd != -1)) {
 158                 set_gpfs_sharemode(fsp, 0, 0);
 159         }
 160
 161         return SMB_VFS_NEXT_CLOSE(handle, fsp);
 162 }
 163
 164 static int set_gpfs_lease(int fd, int leasetype)
 165 {
 166         int gpfs_type = GPFS_LEASE_NONE;
 167
 168         if (leasetype == F_RDLCK) {
 169                 gpfs_type = GPFS_LEASE_READ;
 170         }
 171         if (leasetype == F_WRLCK) {
 172                 gpfs_type = GPFS_LEASE_WRITE;
 173         }
 174
 175         /* we unconditionally set CAP_LEASE, rather than looking for
 176            -1/EACCES as there is a bug in some versions of
 177            libgpfs_gpl.so which results in a leaked fd on /dev/ss0
 178            each time we try this with the wrong capabilities set
 179         */
 180         linux_set_lease_capability();
 181         return gpfswrap_set_lease(fd, gpfs_type);
 182 }
 183
 184 static int vfs_gpfs_setlease(vfs_handle_struct *handle, files_struct *fsp,
 185                              int leasetype)
 186 {
 187         struct gpfs_config_data *config;
 188         int ret=0;
 189
 190         START_PROFILE(syscall_linux_setlease);
 191
 192         SMB_VFS_HANDLE_GET_DATA(handle, config,
 193                                 struct gpfs_config_data,
 194                                 return -1);
 195
 196         if (linux_set_lease_sighandler(fsp->fh->fd) == -1)
 197                 return -1;
 198
 199         if (config->leases) {
 200                 /*
 201                  * Ensure the lease owner is root to allow
 202                  * correct delivery of lease-break signals.
 203                  */
 204                 become_root();
 205                 ret = set_gpfs_lease(fsp->fh->fd,leasetype);
 206                 unbecome_root();
 207         }
 208
 209         END_PROFILE(syscall_linux_setlease);
 210
 211         return ret;
 212 }
 213
 214 static int vfs_gpfs_get_real_filename(struct vfs_handle_struct *handle,
 215                                       const char *path,
 216                                       const char *name,
 217                                       TALLOC_CTX *mem_ctx,
 218                                       char **found_name)
 219 {
 220         int result;
 221         char *full_path;
 222         char real_pathname[PATH_MAX+1];
 223         int buflen;
 224         bool mangled;
 225         struct gpfs_config_data *config;
 226
 227         SMB_VFS_HANDLE_GET_DATA(handle, config,
 228                                 struct gpfs_config_data,
 229                                 return -1);
 230
 231         if (!config->getrealfilename) {
 232                 return SMB_VFS_NEXT_GET_REAL_FILENAME(handle, path, name,
 233                                                       mem_ctx, found_name);
 234         }
 235
 236         mangled = mangle_is_mangled(name, handle->conn->params);
 237         if (mangled) {
 238                 return SMB_VFS_NEXT_GET_REAL_FILENAME(handle, path, name,
 239                                                       mem_ctx, found_name);
 240         }
 241
 242         full_path = talloc_asprintf(talloc_tos(), "%s/%s", path, name);
 243         if (full_path == NULL) {
 244                 errno = ENOMEM;
 245                 return -1;
 246         }
 247
 248         buflen = sizeof(real_pathname) - 1;
 249
 250         result = gpfswrap_get_realfilename_path(full_path, real_pathname,
 251                                                 &buflen);
 252
 253         TALLOC_FREE(full_path);
 254
 255         if ((result == -1) && (errno == ENOSYS)) {
 256                 return SMB_VFS_NEXT_GET_REAL_FILENAME(
 257                         handle, path, name, mem_ctx, found_name);
 258         }
 259
 260         if (result == -1) {
 261                 DEBUG(10, ("smbd_gpfs_get_realfilename_path returned %s\n",
 262                            strerror(errno)));
 263                 return -1;
 264         }
 265
 266         /*
 267          * GPFS does not necessarily null-terminate the returned path
 268          * but instead returns the buffer length in buflen.
 269          */
 270
 271         if (buflen < sizeof(real_pathname)) {
 272                 real_pathname[buflen] = '\0';
 273         } else {
 274                 real_pathname[sizeof(real_pathname)-1] = '\0';
 275         }
 276
 277         DEBUG(10, ("smbd_gpfs_get_realfilename_path: %s/%s -> %s\n",
 278                    path, name, real_pathname));
 279
 280         name = strrchr_m(real_pathname, '/');
 281         if (name == NULL) {
 282                 errno = ENOENT;
 283                 return -1;
 284         }
 285
 286         *found_name = talloc_strdup(mem_ctx, name+1);
 287         if (*found_name == NULL) {
 288                 errno = ENOMEM;
 289                 return -1;
 290         }
 291
 292         return 0;
 293 }
 294
 295 static void sd2gpfs_control(uint16_t control, struct gpfs_acl *gacl)
 296 {
 297         unsigned int gpfs_aclflags = 0;
 298         control &= SEC_DESC_DACL_PROTECTED | SEC_DESC_SACL_PROTECTED |
 299                 SEC_DESC_DACL_AUTO_INHERITED | SEC_DESC_SACL_AUTO_INHERITED |
 300                 SEC_DESC_DACL_DEFAULTED | SEC_DESC_SACL_DEFAULTED |
 301                 SEC_DESC_DACL_PRESENT | SEC_DESC_SACL_PRESENT;
 302         gpfs_aclflags = control << 8;
 303         if (!(control & SEC_DESC_DACL_PRESENT))
 304                 gpfs_aclflags |= 0x00800000; /* ACL4_FLAG_NULL_DACL; */
 305         if (!(control & SEC_DESC_SACL_PRESENT))
 306                 gpfs_aclflags |= 0x01000000; /* ACL4_FLAG_NULL_SACL; */
 307         gacl->acl_level = 1; /* GPFS_ACL_LEVEL_V4FLAGS*/
 308         /* gacl->v4Level1.acl_flags requires gpfs 3.5 */
 309         *(unsigned int *)&gacl->ace_v4 = gpfs_aclflags;
 310 }
 311
 312 static uint16_t gpfs2sd_control(unsigned int gpfs_aclflags)
 313 {
 314         uint16_t control = gpfs_aclflags >> 8;
 315         control &= SEC_DESC_DACL_PROTECTED | SEC_DESC_SACL_PROTECTED |
 316                 SEC_DESC_DACL_AUTO_INHERITED | SEC_DESC_SACL_AUTO_INHERITED |
 317                 SEC_DESC_DACL_DEFAULTED | SEC_DESC_SACL_DEFAULTED |
 318                 SEC_DESC_DACL_PRESENT | SEC_DESC_SACL_PRESENT;
 319         control |= SEC_DESC_SELF_RELATIVE;
 320         return control;
 321 }
 322
 323 static void gpfs_dumpacl(int level, struct gpfs_acl *gacl)
 324 {
 325         gpfs_aclCount_t i;
 326         if (gacl==NULL)
 327         {
 328                 DEBUG(0, ("gpfs acl is NULL\n"));
 329                 return;
 330         }
 331
 332         DEBUG(level, ("len: %d, level: %d, version: %d, nace: %d, "
 333                       "control: %x\n",
 334                       gacl->acl_len, gacl->acl_level, gacl->acl_version,
 335                       gacl->acl_nace, gpfs_acl_flags(gacl)));
 336
 337         for(i=0; i<gacl->acl_nace; i++)
 338         {
 339                 struct gpfs_ace_v4 *gace = gpfs_ace_ptr(gacl, i);
 340                 DEBUG(level, ("\tace[%d]: type:%d, flags:0x%x, mask:0x%x, "
 341                               "iflags:0x%x, who:%u\n",
 342                               i, gace->aceType, gace->aceFlags, gace->aceMask,
 343                               gace->aceIFlags, gace->aceWho));
 344         }
 345 }
 346
 347 /*
 348  * get the ACL from GPFS, allocated on the specified mem_ctx
 349  * internally retries when initial buffer was too small
 350  *
 351  * caller needs to cast result to either
 352  * raw = yes: struct gpfs_opaque_acl
 353  * raw = no: struct gpfs_acl
 354  *
 355  */
 356 static void *vfs_gpfs_getacl(TALLOC_CTX *mem_ctx,
 357                          const char *fname,
 358                          const bool raw,
 359                          const gpfs_aclType_t type)
 360 {
 361
 362         void *aclbuf;
 363         size_t size = 512;
 364         int ret, flags;
 365         unsigned int *len;
 366         size_t struct_size;
 367
 368 again:
 369
 370         aclbuf = talloc_zero_size(mem_ctx, size);
 371         if (aclbuf == NULL) {
 372                 errno = ENOMEM;
 373                 return NULL;
 374         }
 375
 376         if (raw) {
 377                 struct gpfs_opaque_acl *buf = (struct gpfs_opaque_acl *) aclbuf;
 378                 buf->acl_type = type;
 379                 flags = GPFS_GETACL_NATIVE;
 380                 len = (unsigned int *) &(buf->acl_buffer_len);
 381                 struct_size = sizeof(struct gpfs_opaque_acl);
 382         } else {
 383                 struct gpfs_acl *buf = (struct gpfs_acl *) aclbuf;
 384                 buf->acl_type = type;
 385                 buf->acl_level = 1; /* GPFS_ACL_LEVEL_V4FLAGS */
 386                 flags = GPFS_GETACL_STRUCT;
 387                 len = &(buf->acl_len);
 388                 /* reserve space for control flags in gpfs 3.5 and beyond */
 389                 struct_size = sizeof(struct gpfs_acl) + sizeof(unsigned int);
 390         }
 391
 392         /* set the length of the buffer as input value */
 393         *len = size;
 394
 395         errno = 0;
 396         ret = gpfswrap_getacl(discard_const_p(char, fname), flags, aclbuf);
 397         if ((ret != 0) && (errno == ENOSPC)) {
 398                 /*
 399                  * get the size needed to accommodate the complete buffer
 400                  *
 401                  * the value returned only applies to the ACL blob in the
 402                  * struct so make sure to also have headroom for the first
 403                  * struct members by adding room for the complete struct
 404                  * (might be a few bytes too much then)
 405                  */
 406                 size = *len + struct_size;
 407                 talloc_free(aclbuf);
 408                 DEBUG(10, ("Increasing ACL buffer size to %zu\n", size));
 409                 goto again;
 410         }
 411
 412         if (ret != 0) {
 413                 DEBUG(5, ("smbd_gpfs_getacl failed with %s\n",
 414                           strerror(errno)));
 415                 talloc_free(aclbuf);
 416                 return NULL;
 417         }
 418
 419         return aclbuf;
 420 }
 421
 422 /* Tries to get nfs4 acls and returns SMB ACL allocated.
 423  * On failure returns 1 if it got non-NFSv4 ACL to prompt
 424  * retry with POSIX ACL checks.
 425  * On failure returns -1 if there is system (GPFS) error, check errno.
 426  * Returns 0 on success
 427  */
 428 static int gpfs_get_nfs4_acl(TALLOC_CTX *mem_ctx, const char *fname, SMB4ACL_T **ppacl)
 429 {
 430         gpfs_aclCount_t i;
 431         struct gpfs_acl *gacl = NULL;
 432         DEBUG(10, ("gpfs_get_nfs4_acl invoked for %s\n", fname));
 433
 434         /* Get the ACL */
 435         gacl = (struct gpfs_acl*) vfs_gpfs_getacl(talloc_tos(), fname,
 436                                                   false, 0);
 437         if (gacl == NULL) {
 438                 DEBUG(9, ("gpfs_getacl failed for %s with %s\n",
 439                            fname, strerror(errno)));
 440                 return -1;
 441         }
 442
 443         if (gacl->acl_type != GPFS_ACL_TYPE_NFS4) {
 444                 DEBUG(10, ("Got non-nfsv4 acl\n"));
 445                 /* Retry with POSIX ACLs check */
 446                 talloc_free(gacl);
 447                 return 1;
 448         }
 449
 450         *ppacl = smb_create_smb4acl(mem_ctx);
 451
 452         if (gacl->acl_level == 1) { /* GPFS_ACL_LEVEL_V4FLAGS */
 453                 uint16_t control = gpfs2sd_control(gpfs_acl_flags(gacl));
 454                 smbacl4_set_controlflags(*ppacl, control);
 455         }
 456
 457         DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d, control: %x\n",
 458                    gacl->acl_len, gacl->acl_level, gacl->acl_version,
 459                    gacl->acl_nace, gpfs_acl_flags(gacl)));
 460
 461         for (i=0; i<gacl->acl_nace; i++) {
 462                 struct gpfs_ace_v4 *gace = gpfs_ace_ptr(gacl, i);
 463                 SMB_ACE4PROP_T smbace;
 464                 DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
 465                            "who: %d\n", gace->aceType, gace->aceIFlags,
 466                            gace->aceFlags, gace->aceMask, gace->aceWho));
 467
 468                 ZERO_STRUCT(smbace);
 469                 if (gace->aceIFlags & ACE4_IFLAG_SPECIAL_ID) {
 470                         smbace.flags |= SMB_ACE4_ID_SPECIAL;
 471                         switch (gace->aceWho) {
 472                         case ACE4_SPECIAL_OWNER:
 473                                 smbace.who.special_id = SMB_ACE4_WHO_OWNER;
 474                                 break;
 475                         case ACE4_SPECIAL_GROUP:
 476                                 smbace.who.special_id = SMB_ACE4_WHO_GROUP;
 477                                 break;
 478                         case ACE4_SPECIAL_EVERYONE:
 479                                 smbace.who.special_id = SMB_ACE4_WHO_EVERYONE;
 480                                 break;
 481                         default:
 482                                 DEBUG(8, ("invalid special gpfs id %d "
 483                                           "ignored\n", gace->aceWho));
 484                                 continue; /* don't add it */
 485                         }
 486                 } else {
 487                         if (gace->aceFlags & ACE4_FLAG_GROUP_ID)
 488                                 smbace.who.gid = gace->aceWho;
 489                         else
 490                                 smbace.who.uid = gace->aceWho;
 491                 }
 492
 493                 /* remove redundant deny entries */
 494                 if (i > 0 && gace->aceType == SMB_ACE4_ACCESS_DENIED_ACE_TYPE) {
 495                         struct gpfs_ace_v4 *prev = gpfs_ace_ptr(gacl, i - 1);
 496                         if (prev->aceType == SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE &&
 497                             prev->aceFlags == gace->aceFlags &&
 498                             prev->aceIFlags == gace->aceIFlags &&
 499                             (gace->aceMask & prev->aceMask) == 0 &&
 500                             gace->aceWho == prev->aceWho) {
 501                                 /* it's redundant - skip it */
 502                                 continue;
 503                         }
 504                 }
 505
 506                 smbace.aceType = gace->aceType;
 507                 smbace.aceFlags = gace->aceFlags;
 508                 smbace.aceMask = gace->aceMask;
 509                 smb_add_ace4(*ppacl, &smbace);
 510         }
 511
 512         talloc_free(gacl);
 513
 514         return 0;
 515 }
 516
 517 static NTSTATUS gpfsacl_fget_nt_acl(vfs_handle_struct *handle,
 518         files_struct *fsp, uint32 security_info,
 519         TALLOC_CTX *mem_ctx,
 520         struct security_descriptor **ppdesc)
 521 {
 522         SMB4ACL_T *pacl = NULL;
 523         int     result;
 524         struct gpfs_config_data *config;
 525         TALLOC_CTX *frame = talloc_stackframe();
 526         NTSTATUS status;
 527
 528         *ppdesc = NULL;
 529
 530         SMB_VFS_HANDLE_GET_DATA(handle, config,
 531                                 struct gpfs_config_data,
 532                                 return NT_STATUS_INTERNAL_ERROR);
 533
 534         if (!config->acl) {
 535                 status = SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, security_info,
 536                                                   mem_ctx, ppdesc);
 537                 TALLOC_FREE(frame);
 538                 return status;
 539         }
 540
 541         result = gpfs_get_nfs4_acl(frame, fsp->fsp_name->base_name, &pacl);
 542
 543         if (result == 0) {
 544                 status = smb_fget_nt_acl_nfs4(fsp, security_info, mem_ctx,
 545                                               ppdesc, pacl);
 546                 TALLOC_FREE(frame);
 547                 return status;
 548         }
 549
 550         if (result > 0) {
 551                 DEBUG(10, ("retrying with posix acl...\n"));
 552                 status = posix_fget_nt_acl(fsp, security_info,
 553                                            mem_ctx, ppdesc);
 554                 TALLOC_FREE(frame);
 555                 return status;
 556         }
 557
 558         TALLOC_FREE(frame);
 559
 560         /* GPFS ACL was not read, something wrong happened, error code is set in errno */
 561         return map_nt_error_from_unix(errno);
 562 }
 563
 564 static NTSTATUS gpfsacl_get_nt_acl(vfs_handle_struct *handle,
 565         const char *name,
 566         uint32 security_info,
 567         TALLOC_CTX *mem_ctx, struct security_descriptor **ppdesc)
 568 {
 569         SMB4ACL_T *pacl = NULL;
 570         int     result;
 571         struct gpfs_config_data *config;
 572         TALLOC_CTX *frame = talloc_stackframe();
 573         NTSTATUS status;
 574
 575         *ppdesc = NULL;
 576
 577         SMB_VFS_HANDLE_GET_DATA(handle, config,
 578                                 struct gpfs_config_data,
 579                                 return NT_STATUS_INTERNAL_ERROR);
 580
 581         if (!config->acl) {
 582                 status = SMB_VFS_NEXT_GET_NT_ACL(handle, name, security_info,
 583                                                  mem_ctx, ppdesc);
 584                 TALLOC_FREE(frame);
 585                 return status;
 586         }
 587
 588         result = gpfs_get_nfs4_acl(frame, name, &pacl);
 589
 590         if (result == 0) {
 591                 status = smb_get_nt_acl_nfs4(handle->conn, name, security_info,
 592                                            mem_ctx, ppdesc, pacl);
 593                 TALLOC_FREE(frame);
 594                 return status;
 595         }
 596
 597         if (result > 0) {
 598                 DEBUG(10, ("retrying with posix acl...\n"));
 599                 status =  posix_get_nt_acl(handle->conn, name, security_info,
 600                                            mem_ctx, ppdesc);
 601                 TALLOC_FREE(frame);
 602                 return status;
 603         }
 604
 605         /* GPFS ACL was not read, something wrong happened, error code is set in errno */
 606         TALLOC_FREE(frame);
 607         return map_nt_error_from_unix(errno);
 608 }
 609
 610 static struct gpfs_acl *vfs_gpfs_smbacl2gpfsacl(TALLOC_CTX *mem_ctx,
 611                                                 files_struct *fsp,
 612                                                 SMB4ACL_T *smbacl,
 613                                                 bool controlflags)
 614 {
 615         struct gpfs_acl *gacl;
 616         gpfs_aclLen_t gacl_len;
 617         SMB4ACE_T *smbace;
 618
 619         gacl_len = offsetof(gpfs_acl_t, ace_v4) + sizeof(unsigned int)
 620                 + smb_get_naces(smbacl) * sizeof(gpfs_ace_v4_t);
 621
 622         gacl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, gacl_len);
 623         if (gacl == NULL) {
 624                 DEBUG(0, ("talloc failed\n"));
 625                 errno = ENOMEM;
 626                 return NULL;
 627         }
 628
 629         gacl->acl_level = 0; /* GPFS_ACL_LEVEL_BASE */
 630         gacl->acl_version = GPFS_ACL_VERSION_NFS4;
 631         gacl->acl_type = GPFS_ACL_TYPE_NFS4;
 632         gacl->acl_nace = 0; /* change later... */
 633
 634         if (controlflags) {
 635                 gacl->acl_level = 1; /* GPFS_ACL_LEVEL_V4FLAGS */
 636                 sd2gpfs_control(smbacl4_get_controlflags(smbacl), gacl);
 637         }
 638
 639         for (smbace=smb_first_ace4(smbacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
 640                 struct gpfs_ace_v4 *gace = gpfs_ace_ptr(gacl, gacl->acl_nace);
 641                 SMB_ACE4PROP_T  *aceprop = smb_get_ace4(smbace);
 642
 643                 gace->aceType = aceprop->aceType;
 644                 gace->aceFlags = aceprop->aceFlags;
 645                 gace->aceMask = aceprop->aceMask;
 646
 647                 /*
 648                  * GPFS can't distinguish between WRITE and APPEND on
 649                  * files, so one being set without the other is an
 650                  * error. Sorry for the many ()'s :-)
 651                  */
 652
 653                 if (!fsp->is_directory
 654                     &&
 655                     ((((gace->aceMask & ACE4_MASK_WRITE) == 0)
 656                       && ((gace->aceMask & ACE4_MASK_APPEND) != 0))
 657                      ||
 658                      (((gace->aceMask & ACE4_MASK_WRITE) != 0)
 659                       && ((gace->aceMask & ACE4_MASK_APPEND) == 0)))
 660                     &&
 661                     lp_parm_bool(fsp->conn->params->service, "gpfs",
 662                                  "merge_writeappend", True)) {
 663                         DEBUG(2, ("vfs_gpfs.c: file [%s]: ACE contains "
 664                                   "WRITE^APPEND, setting WRITE|APPEND\n",
 665                                   fsp_str_dbg(fsp)));
 666                         gace->aceMask |= ACE4_MASK_WRITE|ACE4_MASK_APPEND;
 667                 }
 668
 669                 gace->aceIFlags = (aceprop->flags&SMB_ACE4_ID_SPECIAL) ? ACE4_IFLAG_SPECIAL_ID : 0;
 670
 671                 if (aceprop->flags&SMB_ACE4_ID_SPECIAL)
 672                 {
 673                         switch(aceprop->who.special_id)
 674                         {
 675                         case SMB_ACE4_WHO_EVERYONE:
 676                                 gace->aceWho = ACE4_SPECIAL_EVERYONE;
 677                                 break;
 678                         case SMB_ACE4_WHO_OWNER:
 679                                 gace->aceWho = ACE4_SPECIAL_OWNER;
 680                                 break;
 681                         case SMB_ACE4_WHO_GROUP:
 682                                 gace->aceWho = ACE4_SPECIAL_GROUP;
 683                                 break;
 684                         default:
 685                                 DEBUG(8, ("unsupported special_id %d\n", aceprop->who.special_id));
 686                                 continue; /* don't add it !!! */
 687                         }
 688                 } else {
 689                         /* just only for the type safety... */
 690                         if (aceprop->aceFlags&SMB_ACE4_IDENTIFIER_GROUP)
 691                                 gace->aceWho = aceprop->who.gid;
 692                         else
 693                                 gace->aceWho = aceprop->who.uid;
 694                 }
 695
 696                 gacl->acl_nace++;
 697         }
 698         gacl->acl_len = (char *)gpfs_ace_ptr(gacl, gacl->acl_nace)
 699                 - (char *)gacl;
 700         return gacl;
 701 }
 702
 703 static bool gpfsacl_process_smbacl(vfs_handle_struct *handle,
 704                                    files_struct *fsp,
 705                                    SMB4ACL_T *smbacl)
 706 {
 707         int ret;
 708         struct gpfs_acl *gacl;
 709         TALLOC_CTX *mem_ctx = talloc_tos();
 710
 711         gacl = vfs_gpfs_smbacl2gpfsacl(mem_ctx, fsp, smbacl, true);
 712         if (gacl == NULL) { /* out of memory */
 713                 return False;
 714         }
 715         ret = gpfswrap_putacl(fsp->fsp_name->base_name,
 716                               GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gacl);
 717
 718         if ((ret != 0) && (errno == EINVAL)) {
 719                 DEBUG(10, ("Retry without nfs41 control flags\n"));
 720                 talloc_free(gacl);
 721                 gacl = vfs_gpfs_smbacl2gpfsacl(mem_ctx, fsp, smbacl, false);
 722                 if (gacl == NULL) { /* out of memory */
 723                         return False;
 724                 }
 725                 ret = gpfswrap_putacl(fsp->fsp_name->base_name,
 726                                       GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA,
 727                                       gacl);
 728         }
 729
 730         if (ret != 0) {
 731                 DEBUG(8, ("gpfs_putacl failed with %s\n", strerror(errno)));
 732                 gpfs_dumpacl(8, gacl);
 733                 return False;
 734         }
 735
 736         DEBUG(10, ("gpfs_putacl succeeded\n"));
 737         return True;
 738 }
 739
 740 static NTSTATUS gpfsacl_set_nt_acl_internal(vfs_handle_struct *handle, files_struct *fsp, uint32 security_info_sent, const struct security_descriptor *psd)
 741 {
 742         struct gpfs_acl *acl;
 743         NTSTATUS result = NT_STATUS_ACCESS_DENIED;
 744
 745         acl = (struct gpfs_acl*) vfs_gpfs_getacl(talloc_tos(),
 746                                                  fsp->fsp_name->base_name,
 747                                                  false, 0);
 748         if (acl == NULL) {
 749                 return map_nt_error_from_unix(errno);
 750         }
 751
 752         if (acl->acl_version == GPFS_ACL_VERSION_NFS4) {
 753                 if (lp_parm_bool(fsp->conn->params->service, "gpfs",
 754                                  "refuse_dacl_protected", false)
 755                     && (psd->type&SEC_DESC_DACL_PROTECTED)) {
 756                         DEBUG(2, ("Rejecting unsupported ACL with DACL_PROTECTED bit set\n"));
 757                         talloc_free(acl);
 758                         return NT_STATUS_NOT_SUPPORTED;
 759                 }
 760
 761                 result = smb_set_nt_acl_nfs4(handle,
 762                         fsp, security_info_sent, psd,
 763                         gpfsacl_process_smbacl);
 764         } else { /* assume POSIX ACL - by default... */
 765                 result = set_nt_acl(fsp, security_info_sent, psd);
 766         }
 767
 768         talloc_free(acl);
 769         return result;
 770 }
 771
 772 static NTSTATUS gpfsacl_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32 security_info_sent, const struct security_descriptor *psd)
 773 {
 774         struct gpfs_config_data *config;
 775
 776         SMB_VFS_HANDLE_GET_DATA(handle, config,
 777                                 struct gpfs_config_data,
 778                                 return NT_STATUS_INTERNAL_ERROR);
 779
 780         if (!config->acl) {
 781                 return SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, security_info_sent, psd);
 782         }
 783
 784         return gpfsacl_set_nt_acl_internal(handle, fsp, security_info_sent, psd);
 785 }
 786
 787 static SMB_ACL_T gpfs2smb_acl(const struct gpfs_acl *pacl, TALLOC_CTX *mem_ctx)
 788 {
 789         SMB_ACL_T result;
 790         gpfs_aclCount_t i;
 791
 792         result = sys_acl_init(mem_ctx);
 793         if (result == NULL) {
 794                 errno = ENOMEM;
 795                 return NULL;
 796         }
 797
 798         result->count = pacl->acl_nace;
 799         result->acl = talloc_realloc(result, result->acl, struct smb_acl_entry,
 800                                      result->count);
 801         if (result->acl == NULL) {
 802                 TALLOC_FREE(result);
 803                 errno = ENOMEM;
 804                 return NULL;
 805         }
 806
 807         for (i=0; i<pacl->acl_nace; i++) {
 808                 struct smb_acl_entry *ace = &result->acl[i];
 809                 const struct gpfs_ace_v1 *g_ace = &pacl->ace_v1[i];
 810
 811                 DEBUG(10, ("Converting type %d id %lu perm %x\n",
 812                            (int)g_ace->ace_type, (unsigned long)g_ace->ace_who,
 813                            (int)g_ace->ace_perm));
 814
 815                 switch (g_ace->ace_type) {
 816                 case GPFS_ACL_USER:
 817                         ace->a_type = SMB_ACL_USER;
 818                         ace->info.user.uid = (uid_t)g_ace->ace_who;
 819                         break;
 820                 case GPFS_ACL_USER_OBJ:
 821                         ace->a_type = SMB_ACL_USER_OBJ;
 822                         break;
 823                 case GPFS_ACL_GROUP:
 824                         ace->a_type = SMB_ACL_GROUP;
 825                         ace->info.group.gid = (gid_t)g_ace->ace_who;
 826                         break;
 827                 case GPFS_ACL_GROUP_OBJ:
 828                         ace->a_type = SMB_ACL_GROUP_OBJ;
 829                         break;
 830                 case GPFS_ACL_OTHER:
 831                         ace->a_type = SMB_ACL_OTHER;
 832                         break;
 833                 case GPFS_ACL_MASK:
 834                         ace->a_type = SMB_ACL_MASK;
 835                         break;
 836                 default:
 837                         DEBUG(10, ("Got invalid ace_type: %d\n",
 838                                    g_ace->ace_type));
 839                         TALLOC_FREE(result);
 840                         errno = EINVAL;
 841                         return NULL;
 842                 }
 843
 844                 ace->a_perm = 0;
 845                 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_READ) ?
 846                         SMB_ACL_READ : 0;
 847                 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_WRITE) ?
 848                         SMB_ACL_WRITE : 0;
 849                 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_EXECUTE) ?
 850                         SMB_ACL_EXECUTE : 0;
 851
 852                 DEBUGADD(10, ("Converted to %d perm %x\n",
 853                               ace->a_type, ace->a_perm));
 854         }
 855
 856         return result;
 857 }
 858
 859 static SMB_ACL_T gpfsacl_get_posix_acl(const char *path, gpfs_aclType_t type,
 860                                        TALLOC_CTX *mem_ctx)
 861 {
 862         struct gpfs_acl *pacl;
 863         SMB_ACL_T result = NULL;
 864
 865         pacl = vfs_gpfs_getacl(talloc_tos(), path, false, type);
 866
 867         if (pacl == NULL) {
 868                 DEBUG(10, ("vfs_gpfs_getacl failed for %s with %s\n",
 869                            path, strerror(errno)));
 870                 if (errno == 0) {
 871                         errno = EINVAL;
 872                 }
 873                 goto done;
 874         }
 875
 876         if (pacl->acl_version != GPFS_ACL_VERSION_POSIX) {
 877                 DEBUG(10, ("Got acl version %d, expected %d\n",
 878                            pacl->acl_version, GPFS_ACL_VERSION_POSIX));
 879                 errno = EINVAL;
 880                 goto done;
 881         }
 882
 883         DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
 884                    pacl->acl_len, pacl->acl_level, pacl->acl_version,
 885                    pacl->acl_nace));
 886
 887         result = gpfs2smb_acl(pacl, mem_ctx);
 888         if (result != NULL) {
 889                 errno = 0;
 890         }
 891
 892  done:
 893
 894         if (pacl != NULL) {
 895                 talloc_free(pacl);
 896         }
 897         if (errno != 0) {
 898                 TALLOC_FREE(result);
 899         }
 900         return result;
 901 }
 902
 903 static SMB_ACL_T gpfsacl_sys_acl_get_file(vfs_handle_struct *handle,
 904                                           const char *path_p,
 905                                           SMB_ACL_TYPE_T type,
 906                                           TALLOC_CTX *mem_ctx)
 907 {
 908         gpfs_aclType_t gpfs_type;
 909         struct gpfs_config_data *config;
 910
 911         SMB_VFS_HANDLE_GET_DATA(handle, config,
 912                                 struct gpfs_config_data,
 913                                 return NULL);
 914
 915         if (!config->acl) {
 916                 return SMB_VFS_NEXT_SYS_ACL_GET_FILE(handle, path_p,
 917                                                      type, mem_ctx);
 918         }
 919
 920         switch(type) {
 921         case SMB_ACL_TYPE_ACCESS:
 922                 gpfs_type = GPFS_ACL_TYPE_ACCESS;
 923                 break;
 924         case SMB_ACL_TYPE_DEFAULT:
 925                 gpfs_type = GPFS_ACL_TYPE_DEFAULT;
 926                 break;
 927         default:
 928                 DEBUG(0, ("Got invalid type: %d\n", type));
 929                 smb_panic("exiting");
 930         }
 931
 932         return gpfsacl_get_posix_acl(path_p, gpfs_type, mem_ctx);
 933 }
 934
 935 static SMB_ACL_T gpfsacl_sys_acl_get_fd(vfs_handle_struct *handle,
 936                                         files_struct *fsp,
 937                                         TALLOC_CTX *mem_ctx)
 938 {
 939         struct gpfs_config_data *config;
 940
 941         SMB_VFS_HANDLE_GET_DATA(handle, config,
 942                                 struct gpfs_config_data,
 943                                 return NULL);
 944
 945         if (!config->acl) {
 946                 return SMB_VFS_NEXT_SYS_ACL_GET_FD(handle, fsp, mem_ctx);
 947         }
 948
 949         return gpfsacl_get_posix_acl(fsp->fsp_name->base_name,
 950                                      GPFS_ACL_TYPE_ACCESS, mem_ctx);
 951 }
 952
 953 static int gpfsacl_sys_acl_blob_get_file(vfs_handle_struct *handle,
 954                                       const char *path_p,
 955                                       TALLOC_CTX *mem_ctx,
 956                                       char **blob_description,
 957                                       DATA_BLOB *blob)
 958 {
 959         struct gpfs_config_data *config;
 960         struct gpfs_opaque_acl *acl = NULL;
 961         DATA_BLOB aclblob;
 962         int result;
 963
 964         SMB_VFS_HANDLE_GET_DATA(handle, config,
 965                                 struct gpfs_config_data,
 966                                 return -1);
 967
 968         if (!config->acl) {
 969                 return SMB_VFS_NEXT_SYS_ACL_BLOB_GET_FILE(handle, path_p,
 970                                                           mem_ctx,
 971                                                           blob_description,
 972                                                           blob);
 973         }
 974
 975         errno = 0;
 976         acl = (struct gpfs_opaque_acl *)
 977                         vfs_gpfs_getacl(mem_ctx,
 978                                         path_p,
 979                                         true,
 980                                         GPFS_ACL_TYPE_NFS4);
 981
 982         if (errno) {
 983                 DEBUG(5, ("vfs_gpfs_getacl finished with errno %d: %s\n",
 984                                         errno, strerror(errno)));
 985
 986                 /* EINVAL means POSIX ACL, bail out on other cases */
 987                 if (errno != EINVAL) {
 988                         return -1;
 989                 }
 990         }
 991
 992         if (acl != NULL) {
 993                 /*
 994                  * file has NFSv4 ACL
 995                  *
 996                  * we only need the actual ACL blob here
 997                  * acl_version will always be NFS4 because we asked
 998                  * for NFS4
 999                  * acl_type is only used for POSIX ACLs
1000                  */
1001                 aclblob.data = (uint8_t*) acl->acl_var_data;
1002                 aclblob.length = acl->acl_buffer_len;
1003
1004                 *blob_description = talloc_strdup(mem_ctx, "gpfs_nfs4_acl");
1005                 if (!*blob_description) {
1006                         talloc_free(acl);
1007                         errno = ENOMEM;
1008                         return -1;
1009                 }
1010
1011                 result = non_posix_sys_acl_blob_get_file_helper(handle, path_p,
1012                                                                 aclblob,
1013                                                                 mem_ctx, blob);
1014
1015                 talloc_free(acl);
1016                 return result;
1017         }
1018
1019         /* fall back to POSIX ACL */
1020         return posix_sys_acl_blob_get_file(handle, path_p, mem_ctx,
1021                                            blob_description, blob);
1022 }
1023
1024 static int gpfsacl_sys_acl_blob_get_fd(vfs_handle_struct *handle,
1025                                       files_struct *fsp,
1026                                       TALLOC_CTX *mem_ctx,
1027                                       char **blob_description,
1028                                       DATA_BLOB *blob)
1029 {
1030         struct gpfs_config_data *config;
1031         struct gpfs_opaque_acl *acl = NULL;
1032         DATA_BLOB aclblob;
1033         int result;
1034
1035         SMB_VFS_HANDLE_GET_DATA(handle, config,
1036                                 struct gpfs_config_data,
1037                                 return -1);
1038
1039         if (!config->acl) {
1040                 return SMB_VFS_NEXT_SYS_ACL_BLOB_GET_FD(handle, fsp, mem_ctx,
1041                                                         blob_description, blob);
1042         }
1043
1044         errno = 0;
1045         acl = (struct gpfs_opaque_acl *) vfs_gpfs_getacl(mem_ctx,
1046                                                 fsp->fsp_name->base_name,
1047                                                 true,
1048                                                 GPFS_ACL_TYPE_NFS4);
1049
1050         if (errno) {
1051                 DEBUG(5, ("vfs_gpfs_getacl finished with errno %d: %s\n",
1052                                         errno, strerror(errno)));
1053
1054                 /* EINVAL means POSIX ACL, bail out on other cases */
1055                 if (errno != EINVAL) {
1056                         return -1;
1057                 }
1058         }
1059
1060         if (acl != NULL) {
1061                 /*
1062                  * file has NFSv4 ACL
1063                  *
1064                  * we only need the actual ACL blob here
1065                  * acl_version will always be NFS4 because we asked
1066                  * for NFS4
1067                  * acl_type is only used for POSIX ACLs
1068                  */
1069                 aclblob.data = (uint8_t*) acl->acl_var_data;
1070                 aclblob.length = acl->acl_buffer_len;
1071
1072                 *blob_description = talloc_strdup(mem_ctx, "gpfs_nfs4_acl");
1073                 if (!*blob_description) {
1074                         talloc_free(acl);
1075                         errno = ENOMEM;
1076                         return -1;
1077                 }
1078
1079                 result = non_posix_sys_acl_blob_get_fd_helper(handle, fsp,
1080                                                               aclblob, mem_ctx,
1081                                                               blob);
1082
1083                 talloc_free(acl);
1084                 return result;
1085         }
1086
1087         /* fall back to POSIX ACL */
1088         return posix_sys_acl_blob_get_fd(handle, fsp, mem_ctx,
1089                                          blob_description, blob);
1090 }
1091
1092 static struct gpfs_acl *smb2gpfs_acl(const SMB_ACL_T pacl,
1093                                      SMB_ACL_TYPE_T type)
1094 {
1095         gpfs_aclLen_t len;
1096         struct gpfs_acl *result;
1097         int i;
1098
1099         DEBUG(10, ("smb2gpfs_acl: Got ACL with %d entries\n", pacl->count));
1100
1101         len = offsetof(gpfs_acl_t, ace_v1) + (pacl->count) *
1102                 sizeof(gpfs_ace_v1_t);
1103
1104         result = (struct gpfs_acl *)SMB_MALLOC(len);
1105         if (result == NULL) {
1106                 errno = ENOMEM;
1107                 return result;
1108         }
1109
1110         result->acl_len = len;
1111         result->acl_level = 0;
1112         result->acl_version = GPFS_ACL_VERSION_POSIX;
1113         result->acl_type = (type == SMB_ACL_TYPE_DEFAULT) ?
1114                 GPFS_ACL_TYPE_DEFAULT : GPFS_ACL_TYPE_ACCESS;
1115         result->acl_nace = pacl->count;
1116
1117         for (i=0; i<pacl->count; i++) {
1118                 const struct smb_acl_entry *ace = &pacl->acl[i];
1119                 struct gpfs_ace_v1 *g_ace = &result->ace_v1[i];
1120
1121                 DEBUG(10, ("Converting type %d perm %x\n",
1122                            (int)ace->a_type, (int)ace->a_perm));
1123
1124                 g_ace->ace_perm = 0;
1125
1126                 switch(ace->a_type) {
1127                 case SMB_ACL_USER:
1128                         g_ace->ace_type = GPFS_ACL_USER;
1129                         g_ace->ace_who = (gpfs_uid_t)ace->info.user.uid;
1130                         break;
1131                 case SMB_ACL_USER_OBJ:
1132                         g_ace->ace_type = GPFS_ACL_USER_OBJ;
1133                         g_ace->ace_perm |= ACL_PERM_CONTROL;
1134                         g_ace->ace_who = 0;
1135                         break;
1136                 case SMB_ACL_GROUP:
1137                         g_ace->ace_type = GPFS_ACL_GROUP;
1138                         g_ace->ace_who = (gpfs_uid_t)ace->info.group.gid;
1139                         break;
1140                 case SMB_ACL_GROUP_OBJ:
1141                         g_ace->ace_type = GPFS_ACL_GROUP_OBJ;
1142                         g_ace->ace_who = 0;
1143                         break;
1144                 case SMB_ACL_MASK:
1145                         g_ace->ace_type = GPFS_ACL_MASK;
1146                         g_ace->ace_perm = 0x8f;
1147                         g_ace->ace_who = 0;
1148                         break;
1149                 case SMB_ACL_OTHER:
1150                         g_ace->ace_type = GPFS_ACL_OTHER;
1151                         g_ace->ace_who = 0;
1152                         break;
1153                 default:
1154                         DEBUG(10, ("Got invalid ace_type: %d\n", ace->a_type));
1155                         errno = EINVAL;
1156                         SAFE_FREE(result);
1157                         return NULL;
1158                 }
1159
1160                 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_READ) ?
1161                         ACL_PERM_READ : 0;
1162                 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_WRITE) ?
1163                         ACL_PERM_WRITE : 0;
1164                 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_EXECUTE) ?
1165                         ACL_PERM_EXECUTE : 0;
1166
1167                 DEBUGADD(10, ("Converted to %d id %d perm %x\n",
1168                               g_ace->ace_type, g_ace->ace_who, g_ace->ace_perm));
1169         }
1170
1171         return result;
1172 }
1173
1174 static int gpfsacl_sys_acl_set_file(vfs_handle_struct *handle,
1175                                     const char *name,
1176                                     SMB_ACL_TYPE_T type,
1177                                     SMB_ACL_T theacl)
1178 {
1179         struct gpfs_acl *gpfs_acl;
1180         int result;
1181         struct gpfs_config_data *config;
1182
1183         SMB_VFS_HANDLE_GET_DATA(handle, config,
1184                                 struct gpfs_config_data,
1185                                 return -1);
1186
1187         if (!config->acl) {
1188                 return SMB_VFS_NEXT_SYS_ACL_SET_FILE(handle, name, type, theacl);
1189         }
1190
1191         gpfs_acl = smb2gpfs_acl(theacl, type);
1192         if (gpfs_acl == NULL) {
1193                 return -1;
1194         }
1195
1196         result = gpfswrap_putacl(discard_const_p(char, name),
1197                                  GPFS_PUTACL_STRUCT|GPFS_ACL_SAMBA, gpfs_acl);
1198
1199         SAFE_FREE(gpfs_acl);
1200         return result;
1201 }
1202
1203 static int gpfsacl_sys_acl_set_fd(vfs_handle_struct *handle,
1204                                   files_struct *fsp,
1205                                   SMB_ACL_T theacl)
1206 {
1207         struct gpfs_config_data *config;
1208
1209         SMB_VFS_HANDLE_GET_DATA(handle, config,
1210                                 struct gpfs_config_data,
1211                                 return -1);
1212
1213         if (!config->acl) {
1214                 return SMB_VFS_NEXT_SYS_ACL_SET_FD(handle, fsp, theacl);
1215         }
1216
1217         return gpfsacl_sys_acl_set_file(handle, fsp->fsp_name->base_name,
1218                                         SMB_ACL_TYPE_ACCESS, theacl);
1219 }
1220
1221 static int gpfsacl_sys_acl_delete_def_file(vfs_handle_struct *handle,
1222                                            const char *path)
1223 {
1224         struct gpfs_config_data *config;
1225
1226         SMB_VFS_HANDLE_GET_DATA(handle, config,
1227                                 struct gpfs_config_data,
1228                                 return -1);
1229
1230         if (!config->acl) {
1231                 return SMB_VFS_NEXT_SYS_ACL_DELETE_DEF_FILE(handle, path);
1232         }
1233
1234         errno = ENOTSUP;
1235         return -1;
1236 }
1237
1238 /*
1239  * Assumed: mode bits are shiftable and standard
1240  * Output: the new aceMask field for an smb nfs4 ace
1241  */
1242 static uint32 gpfsacl_mask_filter(uint32 aceType, uint32 aceMask, uint32 rwx)
1243 {
1244         const uint32 posix_nfs4map[3] = {
1245                 SMB_ACE4_EXECUTE, /* execute */
1246                 SMB_ACE4_WRITE_DATA | SMB_ACE4_APPEND_DATA, /* write; GPFS specific */
1247                 SMB_ACE4_READ_DATA /* read */
1248         };
1249         int     i;
1250         uint32_t        posix_mask = 0x01;
1251         uint32_t        posix_bit;
1252         uint32_t        nfs4_bits;
1253
1254         for(i=0; i<3; i++) {
1255                 nfs4_bits = posix_nfs4map[i];
1256                 posix_bit = rwx & posix_mask;
1257
1258                 if (aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE) {
1259                         if (posix_bit)
1260                                 aceMask |= nfs4_bits;
1261                         else
1262                                 aceMask &= ~nfs4_bits;
1263                 } else {
1264                         /* add deny bits when suitable */
1265                         if (!posix_bit)
1266                                 aceMask |= nfs4_bits;
1267                         else
1268                                 aceMask &= ~nfs4_bits;
1269                 } /* other ace types are unexpected */
1270
1271                 posix_mask <<= 1;
1272         }
1273
1274         return aceMask;
1275 }
1276
1277 static int gpfsacl_emu_chmod(vfs_handle_struct *handle,
1278                              const char *path, mode_t mode)
1279 {
1280         SMB4ACL_T *pacl = NULL;
1281         int     result;
1282         bool    haveAllowEntry[SMB_ACE4_WHO_EVERYONE + 1] = {False, False, False, False};
1283         int     i;
1284         files_struct    fake_fsp; /* TODO: rationalize parametrization */
1285         SMB4ACE_T       *smbace;
1286         TALLOC_CTX *frame = talloc_stackframe();
1287
1288         DEBUG(10, ("gpfsacl_emu_chmod invoked for %s mode %o\n", path, mode));
1289
1290         result = gpfs_get_nfs4_acl(frame, path, &pacl);
1291         if (result) {
1292                 TALLOC_FREE(frame);
1293                 return result;
1294         }
1295
1296         if (mode & ~(S_IRWXU | S_IRWXG | S_IRWXO)) {
1297                 DEBUG(2, ("WARNING: cutting extra mode bits %o on %s\n", mode, path));
1298         }
1299
1300         for (smbace=smb_first_ace4(pacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
1301                 SMB_ACE4PROP_T  *ace = smb_get_ace4(smbace);
1302                 uint32_t        specid = ace->who.special_id;
1303
1304                 if (ace->flags&SMB_ACE4_ID_SPECIAL &&
1305                     ace->aceType<=SMB_ACE4_ACCESS_DENIED_ACE_TYPE &&
1306                     specid <= SMB_ACE4_WHO_EVERYONE) {
1307
1308                         uint32_t newMask;
1309
1310                         if (ace->aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE)
1311                                 haveAllowEntry[specid] = True;
1312
1313                         /* mode >> 6 for @owner, mode >> 3 for @group,
1314                          * mode >> 0 for @everyone */
1315                         newMask = gpfsacl_mask_filter(ace->aceType, ace->aceMask,
1316                                                       mode >> ((SMB_ACE4_WHO_EVERYONE - specid) * 3));
1317                         if (ace->aceMask!=newMask) {
1318                                 DEBUG(10, ("ace changed for %s (%o -> %o) id=%d\n",
1319                                            path, ace->aceMask, newMask, specid));
1320                         }
1321                         ace->aceMask = newMask;
1322                 }
1323         }
1324
1325         /* make sure we have at least ALLOW entries
1326          * for all the 3 special ids (@EVERYONE, @OWNER, @GROUP)
1327          * - if necessary
1328          */
1329         for(i = SMB_ACE4_WHO_OWNER; i<=SMB_ACE4_WHO_EVERYONE; i++) {
1330                 SMB_ACE4PROP_T  ace;
1331
1332                 if (haveAllowEntry[i]==True)
1333                         continue;
1334
1335                 ZERO_STRUCT(ace);
1336                 ace.aceType = SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE;
1337                 ace.flags |= SMB_ACE4_ID_SPECIAL;
1338                 ace.who.special_id = i;
1339
1340                 if (i==SMB_ACE4_WHO_GROUP) /* not sure it's necessary... */
1341                         ace.aceFlags |= SMB_ACE4_IDENTIFIER_GROUP;
1342
1343                 ace.aceMask = gpfsacl_mask_filter(ace.aceType, ace.aceMask,
1344                                                   mode >> ((SMB_ACE4_WHO_EVERYONE - i) * 3));
1345
1346                 /* don't add unnecessary aces */
1347                 if (!ace.aceMask)
1348                         continue;
1349
1350                 /* we add it to the END - as windows expects allow aces */
1351                 smb_add_ace4(pacl, &ace);
1352                 DEBUG(10, ("Added ALLOW ace for %s, mode=%o, id=%d, aceMask=%x\n",
1353                            path, mode, i, ace.aceMask));
1354         }
1355
1356         /* don't add complementary DENY ACEs here */
1357         ZERO_STRUCT(fake_fsp);
1358         fake_fsp.fsp_name = synthetic_smb_fname(
1359                 frame, path, NULL, NULL);
1360         if (fake_fsp.fsp_name == NULL) {
1361                 errno = ENOMEM;
1362                 TALLOC_FREE(frame);
1363                 return -1;
1364         }
1365         /* put the acl */
1366         if (gpfsacl_process_smbacl(handle, &fake_fsp, pacl) == False) {
1367                 TALLOC_FREE(frame);
1368                 return -1;
1369         }
1370
1371         TALLOC_FREE(frame);
1372         return 0; /* ok for [f]chmod */
1373 }
1374
1375 static int vfs_gpfs_chmod(vfs_handle_struct *handle, const char *path, mode_t mode)
1376 {
1377         struct smb_filename *smb_fname_cpath;
1378         int rc;
1379
1380         smb_fname_cpath = synthetic_smb_fname(talloc_tos(), path, NULL, NULL);
1381         if (smb_fname_cpath == NULL) {
1382                 errno = ENOMEM;
1383                 return -1;
1384         }
1385
1386         if (SMB_VFS_NEXT_STAT(handle, smb_fname_cpath) != 0) {
1387                 return -1;
1388         }
1389
1390         /* avoid chmod() if possible, to preserve acls */
1391         if ((smb_fname_cpath->st.st_ex_mode & ~S_IFMT) == mode) {
1392                 return 0;
1393         }
1394
1395         rc = gpfsacl_emu_chmod(handle, path, mode);
1396         if (rc == 1)
1397                 return SMB_VFS_NEXT_CHMOD(handle, path, mode);
1398         return rc;
1399 }
1400
1401 static int vfs_gpfs_fchmod(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
1402 {
1403                  SMB_STRUCT_STAT st;
1404                  int rc;
1405
1406                  if (SMB_VFS_NEXT_FSTAT(handle, fsp, &st) != 0) {
1407                          return -1;
1408                  }
1409
1410                  /* avoid chmod() if possible, to preserve acls */
1411                  if ((st.st_ex_mode & ~S_IFMT) == mode) {
1412                          return 0;
1413                  }
1414
1415                  rc = gpfsacl_emu_chmod(handle, fsp->fsp_name->base_name,
1416                                         mode);
1417                  if (rc == 1)
1418                          return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
1419                  return rc;
1420 }
1421
1422 static int gpfs_set_xattr(struct vfs_handle_struct *handle,  const char *path,
1423                            const char *name, const void *value, size_t size,  int flags){
1424         struct xattr_DOSATTRIB dosattrib;
1425         enum ndr_err_code ndr_err;
1426         DATA_BLOB blob;
1427         unsigned int dosmode=0;
1428         struct gpfs_winattr attrs;
1429         int ret = 0;
1430         struct gpfs_config_data *config;
1431
1432         SMB_VFS_HANDLE_GET_DATA(handle, config,
1433                                 struct gpfs_config_data,
1434                                 return -1);
1435
1436         if (!config->winattr) {
1437                 DEBUG(10, ("gpfs_set_xattr:name is %s -> next\n",name));
1438                 return SMB_VFS_NEXT_SETXATTR(handle,path,name,value,size,flags);
1439         }
1440
1441         DEBUG(10, ("gpfs_set_xattr: %s \n",path));
1442
1443         /* Only handle DOS Attributes */
1444         if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
1445                 DEBUG(5, ("gpfs_set_xattr:name is %s\n",name));
1446                 return SMB_VFS_NEXT_SETXATTR(handle,path,name,value,size,flags);
1447         }
1448
1449         blob.data = discard_const_p(uint8_t, value);
1450         blob.length = size;
1451
1452         ndr_err = ndr_pull_struct_blob(&blob, talloc_tos(), &dosattrib,
1453                         (ndr_pull_flags_fn_t)ndr_pull_xattr_DOSATTRIB);
1454
1455         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
1456                 DEBUG(1, ("gpfs_set_xattr: bad ndr decode "
1457                           "from EA on file %s: Error = %s\n",
1458                           path, ndr_errstr(ndr_err)));
1459                 return false;
1460         }
1461
1462         if (dosattrib.version != 3) {
1463                 DEBUG(1, ("gpfs_set_xattr: expected dosattrib version 3, got "
1464                           "%d\n", (int)dosattrib.version));
1465                 return false;
1466         }
1467         if (!(dosattrib.info.info3.valid_flags & XATTR_DOSINFO_ATTRIB)) {
1468                 DEBUG(10, ("gpfs_set_xattr: XATTR_DOSINFO_ATTRIB not "
1469                            "valid, ignoring\n"));
1470                 return true;
1471         }
1472
1473         dosmode = dosattrib.info.info3.attrib;
1474
1475         attrs.winAttrs = 0;
1476         /*Just map RD_ONLY, ARCHIVE, SYSTEM HIDDEN and SPARSE. Ignore the others*/
1477         if (dosmode & FILE_ATTRIBUTE_ARCHIVE){
1478                 attrs.winAttrs |= GPFS_WINATTR_ARCHIVE;
1479         }
1480         if (dosmode & FILE_ATTRIBUTE_HIDDEN){
1481                         attrs.winAttrs |= GPFS_WINATTR_HIDDEN;
1482                 }
1483         if (dosmode & FILE_ATTRIBUTE_SYSTEM){
1484                         attrs.winAttrs |= GPFS_WINATTR_SYSTEM;
1485                 }
1486         if (dosmode & FILE_ATTRIBUTE_READONLY){
1487                         attrs.winAttrs |= GPFS_WINATTR_READONLY;
1488         }
1489         if (dosmode & FILE_ATTRIBUTE_SPARSE) {
1490                 attrs.winAttrs |= GPFS_WINATTR_SPARSE_FILE;
1491         }
1492
1493
1494         ret = gpfswrap_set_winattrs_path(discard_const_p(char, path),
1495                                          GPFS_WINATTR_SET_ATTRS, &attrs);
1496         if ( ret == -1){
1497                 if (errno == ENOSYS) {
1498                         return SMB_VFS_NEXT_SETXATTR(handle, path, name, value,
1499                                                      size, flags);
1500                 }
1501
1502                 DEBUG(1, ("gpfs_set_xattr:Set GPFS attributes failed %d\n",ret));
1503                 return -1;
1504         }
1505
1506         DEBUG(10, ("gpfs_set_xattr:Set attributes: 0x%x\n",attrs.winAttrs));
1507         return 0;
1508 }
1509
1510 static ssize_t gpfs_get_xattr(struct vfs_handle_struct *handle,  const char *path,
1511                               const char *name, void *value, size_t size){
1512         char *attrstr = value;
1513         unsigned int dosmode = 0;
1514         struct gpfs_winattr attrs;
1515         int ret = 0;
1516         struct gpfs_config_data *config;
1517
1518         SMB_VFS_HANDLE_GET_DATA(handle, config,
1519                                 struct gpfs_config_data,
1520                                 return -1);
1521
1522         if (!config->winattr) {
1523                 DEBUG(10, ("gpfs_get_xattr:name is %s -> next\n",name));
1524                 return SMB_VFS_NEXT_GETXATTR(handle,path,name,value,size);
1525         }
1526
1527         DEBUG(10, ("gpfs_get_xattr: %s \n",path));
1528
1529         /* Only handle DOS Attributes */
1530         if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
1531                 DEBUG(5, ("gpfs_get_xattr:name is %s\n",name));
1532                 return SMB_VFS_NEXT_GETXATTR(handle,path,name,value,size);
1533         }
1534
1535         ret = gpfswrap_get_winattrs_path(discard_const_p(char, path), &attrs);
1536         if ( ret == -1){
1537                 int dbg_lvl;
1538
1539                 if (errno == ENOSYS) {
1540                         return SMB_VFS_NEXT_GETXATTR(handle, path, name, value,
1541                                                      size);
1542                 }
1543
1544                 if (errno != EPERM && errno != EACCES) {
1545                         dbg_lvl = 1;
1546                 } else {
1547                         dbg_lvl = 5;
1548                 }
1549                 DEBUG(dbg_lvl, ("gpfs_get_xattr: Get GPFS attributes failed: "
1550                               "%d (%s)\n", ret, strerror(errno)));
1551                 return -1;
1552         }
1553
1554         DEBUG(10, ("gpfs_get_xattr:Got attributes: 0x%x\n",attrs.winAttrs));
1555
1556         /*Just map RD_ONLY, ARCHIVE, SYSTEM, HIDDEN and SPARSE. Ignore the others*/
1557         if (attrs.winAttrs & GPFS_WINATTR_ARCHIVE){
1558                 dosmode |= FILE_ATTRIBUTE_ARCHIVE;
1559         }
1560         if (attrs.winAttrs & GPFS_WINATTR_HIDDEN){
1561                 dosmode |= FILE_ATTRIBUTE_HIDDEN;
1562         }
1563         if (attrs.winAttrs & GPFS_WINATTR_SYSTEM){
1564                 dosmode |= FILE_ATTRIBUTE_SYSTEM;
1565         }
1566         if (attrs.winAttrs & GPFS_WINATTR_READONLY){
1567                 dosmode |= FILE_ATTRIBUTE_READONLY;
1568         }
1569         if (attrs.winAttrs & GPFS_WINATTR_SPARSE_FILE) {
1570                 dosmode |= FILE_ATTRIBUTE_SPARSE;
1571         }
1572
1573         snprintf(attrstr, size, "0x%2.2x",
1574                  (unsigned int)(dosmode & SAMBA_ATTRIBUTES_MASK));
1575         DEBUG(10, ("gpfs_get_xattr: returning %s\n",attrstr));
1576         return 4;
1577 }
1578
1579 #if defined(HAVE_FSTATAT)
1580 static int stat_with_capability(struct vfs_handle_struct *handle,
1581                                 struct smb_filename *smb_fname, int flag)
1582 {
1583         int fd = -1;
1584         bool b;
1585         char *dir_name;
1586         const char *rel_name = NULL;
1587         struct stat st;
1588         int ret = -1;
1589
1590         b = parent_dirname(talloc_tos(), smb_fname->base_name,
1591                            &dir_name, &rel_name);
1592         if (!b) {
1593                 errno = ENOMEM;
1594                 return -1;
1595         }
1596
1597         fd = open(dir_name, O_RDONLY, 0);
1598         TALLOC_FREE(dir_name);
1599         if (fd == -1) {
1600                 return -1;
1601         }
1602
1603         set_effective_capability(DAC_OVERRIDE_CAPABILITY);
1604         ret = fstatat(fd, rel_name, &st, flag);
1605         drop_effective_capability(DAC_OVERRIDE_CAPABILITY);
1606
1607         close(fd);
1608
1609         if (ret == 0) {
1610                 init_stat_ex_from_stat(
1611                         &smb_fname->st, &st,
1612                         lp_fake_directory_create_times(SNUM(handle->conn)));
1613         }
1614
1615         return ret;
1616 }
1617 #endif
1618
1619 static int vfs_gpfs_stat(struct vfs_handle_struct *handle,
1620                          struct smb_filename *smb_fname)
1621 {
1622         struct gpfs_winattr attrs;
1623         char *fname = NULL;
1624         NTSTATUS status;
1625         int ret;
1626         struct gpfs_config_data *config;
1627
1628         SMB_VFS_HANDLE_GET_DATA(handle, config,
1629                                 struct gpfs_config_data,
1630                                 return -1);
1631
1632         ret = SMB_VFS_NEXT_STAT(handle, smb_fname);
1633 #if defined(HAVE_FSTATAT)
1634         if (ret == -1 && errno == EACCES) {
1635                 DEBUG(10, ("Trying stat with capability for %s\n",
1636                            smb_fname->base_name));
1637                 ret = stat_with_capability(handle, smb_fname, 0);
1638         }
1639 #endif
1640         if (ret == -1) {
1641                 return -1;
1642         }
1643
1644         if (!config->winattr) {
1645                 return 0;
1646         }
1647
1648         status = get_full_smb_filename(talloc_tos(), smb_fname, &fname);
1649         if (!NT_STATUS_IS_OK(status)) {
1650                 errno = map_errno_from_nt_status(status);
1651                 return -1;
1652         }
1653         ret = gpfswrap_get_winattrs_path(discard_const_p(char, fname), &attrs);
1654         TALLOC_FREE(fname);
1655         if (ret == 0) {
1656                 smb_fname->st.st_ex_calculated_birthtime = false;
1657                 smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1658                 smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1659         }
1660         return 0;
1661 }
1662
1663 static int vfs_gpfs_fstat(struct vfs_handle_struct *handle,
1664                           struct files_struct *fsp, SMB_STRUCT_STAT *sbuf)
1665 {
1666         struct gpfs_winattr attrs;
1667         int ret;
1668         struct gpfs_config_data *config;
1669
1670         SMB_VFS_HANDLE_GET_DATA(handle, config,
1671                                 struct gpfs_config_data,
1672                                 return -1);
1673
1674         ret = SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
1675         if (ret == -1) {
1676                 return -1;
1677         }
1678         if ((fsp->fh == NULL) || (fsp->fh->fd == -1)) {
1679                 return 0;
1680         }
1681         if (!config->winattr) {
1682                 return 0;
1683         }
1684
1685         ret = gpfswrap_get_winattrs(fsp->fh->fd, &attrs);
1686         if (ret == 0) {
1687                 sbuf->st_ex_calculated_birthtime = false;
1688                 sbuf->st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1689                 sbuf->st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1690         }
1691         return 0;
1692 }
1693
1694 static int vfs_gpfs_lstat(struct vfs_handle_struct *handle,
1695                           struct smb_filename *smb_fname)
1696 {
1697         struct gpfs_winattr attrs;
1698         char *path = NULL;
1699         NTSTATUS status;
1700         int ret;
1701         struct gpfs_config_data *config;
1702
1703         SMB_VFS_HANDLE_GET_DATA(handle, config,
1704                                 struct gpfs_config_data,
1705                                 return -1);
1706
1707         ret = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
1708 #if defined(HAVE_FSTATAT)
1709         if (ret == -1 && errno == EACCES) {
1710                 DEBUG(10, ("Trying lstat with capability for %s\n",
1711                            smb_fname->base_name));
1712                 ret = stat_with_capability(handle, smb_fname,
1713                                            AT_SYMLINK_NOFOLLOW);
1714         }
1715 #endif
1716
1717         if (ret == -1) {
1718                 return -1;
1719         }
1720         if (!config->winattr) {
1721                 return 0;
1722         }
1723
1724         status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
1725         if (!NT_STATUS_IS_OK(status)) {
1726                 errno = map_errno_from_nt_status(status);
1727                 return -1;
1728         }
1729         ret = gpfswrap_get_winattrs_path(discard_const_p(char, path), &attrs);
1730         TALLOC_FREE(path);
1731         if (ret == 0) {
1732                 smb_fname->st.st_ex_calculated_birthtime = false;
1733                 smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1734                 smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1735         }
1736         return 0;
1737 }
1738
1739 static int vfs_gpfs_ntimes(struct vfs_handle_struct *handle,
1740                         const struct smb_filename *smb_fname,
1741                         struct smb_file_time *ft)
1742 {
1743
1744         struct gpfs_winattr attrs;
1745         int ret;
1746         char *path = NULL;
1747         NTSTATUS status;
1748         struct gpfs_config_data *config;
1749
1750         SMB_VFS_HANDLE_GET_DATA(handle, config,
1751                                 struct gpfs_config_data,
1752                                 return -1);
1753
1754         status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
1755         if (!NT_STATUS_IS_OK(status)) {
1756                 errno = map_errno_from_nt_status(status);
1757                 return -1;
1758         }
1759
1760         /* Try to use gpfs_set_times if it is enabled and available */
1761         if (config->settimes) {
1762                 ret = smbd_gpfs_set_times_path(path, ft);
1763
1764                 if (ret == 0 || (ret == -1 && errno != ENOSYS)) {
1765                         return ret;
1766                 }
1767         }
1768
1769         DEBUG(10,("gpfs_set_times() not available or disabled, "
1770                   "use ntimes and winattr\n"));
1771
1772         ret = SMB_VFS_NEXT_NTIMES(handle, smb_fname, ft);
1773         if(ret == -1){
1774                 /* don't complain if access was denied */
1775                 if (errno != EPERM && errno != EACCES) {
1776                         DEBUG(1,("vfs_gpfs_ntimes: SMB_VFS_NEXT_NTIMES failed:"
1777                                  "%s", strerror(errno)));
1778                 }
1779                 return -1;
1780         }
1781
1782         if(null_timespec(ft->create_time)){
1783                 DEBUG(10,("vfs_gpfs_ntimes:Create Time is NULL\n"));
1784                 return 0;
1785         }
1786
1787         if (!config->winattr) {
1788                 return 0;
1789         }
1790
1791         attrs.winAttrs = 0;
1792         attrs.creationTime.tv_sec = ft->create_time.tv_sec;
1793         attrs.creationTime.tv_nsec = ft->create_time.tv_nsec;
1794
1795         ret = gpfswrap_set_winattrs_path(discard_const_p(char, path),
1796                                          GPFS_WINATTR_SET_CREATION_TIME,
1797                                          &attrs);
1798         if(ret == -1 && errno != ENOSYS){
1799                 DEBUG(1,("vfs_gpfs_ntimes: set GPFS ntimes failed %d\n",ret));
1800                 return -1;
1801         }
1802         return 0;
1803
1804 }
1805
1806 static int vfs_gpfs_fallocate(struct vfs_handle_struct *handle,
1807                        struct files_struct *fsp, enum vfs_fallocate_mode mode,
1808                        off_t offset, off_t len)
1809 {
1810         int ret;
1811         struct gpfs_config_data *config;
1812
1813         SMB_VFS_HANDLE_GET_DATA(handle, config,
1814                                 struct gpfs_config_data,
1815                                 return -1);
1816
1817         if (!config->prealloc) {
1818                 /* you should better not run fallocate() on GPFS at all */
1819                 errno = ENOTSUP;
1820                 return -1;
1821         }
1822
1823         if (mode == VFS_FALLOCATE_KEEP_SIZE) {
1824                 DEBUG(10, ("Unsupported VFS_FALLOCATE_KEEP_SIZE\n"));
1825                 errno = ENOTSUP;
1826                 return -1;
1827         }
1828
1829         ret = gpfswrap_prealloc(fsp->fh->fd, offset, len);
1830
1831         if (ret == -1 && errno != ENOSYS) {
1832                 DEBUG(0, ("GPFS prealloc failed: %s\n", strerror(errno)));
1833         } else if (ret == -1 && errno == ENOSYS) {
1834                 DEBUG(10, ("GPFS prealloc not supported.\n"));
1835         } else {
1836                 DEBUG(10, ("GPFS prealloc succeeded.\n"));
1837         }
1838
1839         return ret;
1840 }
1841
1842 static int vfs_gpfs_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
1843                                 off_t len)
1844 {
1845         int result;
1846         struct gpfs_config_data *config;
1847
1848         SMB_VFS_HANDLE_GET_DATA(handle, config,
1849                                 struct gpfs_config_data,
1850                                 return -1);
1851
1852         if (!config->ftruncate) {
1853                 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, len);
1854         }
1855
1856         result = gpfswrap_ftruncate(fsp->fh->fd, len);
1857         if ((result == -1) && (errno == ENOSYS)) {
1858                 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, len);
1859         }
1860         return result;
1861 }
1862
1863 static bool vfs_gpfs_is_offline(struct vfs_handle_struct *handle,
1864                                 const struct smb_filename *fname,
1865                                 SMB_STRUCT_STAT *sbuf)
1866 {
1867         struct gpfs_winattr attrs;
1868         char *path = NULL;
1869         NTSTATUS status;
1870         struct gpfs_config_data *config;
1871         int ret;
1872
1873         SMB_VFS_HANDLE_GET_DATA(handle, config,
1874                                 struct gpfs_config_data,
1875                                 return -1);
1876
1877         if (!config->winattr) {
1878                 return SMB_VFS_NEXT_IS_OFFLINE(handle, fname, sbuf);
1879         }
1880
1881         status = get_full_smb_filename(talloc_tos(), fname, &path);
1882         if (!NT_STATUS_IS_OK(status)) {
1883                 errno = map_errno_from_nt_status(status);
1884                 return -1;
1885         }
1886
1887         ret = gpfswrap_get_winattrs_path(path, &attrs);
1888         if (ret == -1) {
1889                 TALLOC_FREE(path);
1890                 return false;
1891         }
1892
1893         if ((attrs.winAttrs & GPFS_WINATTR_OFFLINE) != 0) {
1894                 DEBUG(10, ("%s is offline\n", path));
1895                 TALLOC_FREE(path);
1896                 return true;
1897         }
1898         DEBUG(10, ("%s is online\n", path));
1899         TALLOC_FREE(path);
1900         return SMB_VFS_NEXT_IS_OFFLINE(handle, fname, sbuf);
1901 }
1902
1903 static bool vfs_gpfs_aio_force(struct vfs_handle_struct *handle,
1904                                struct files_struct *fsp)
1905 {
1906         return vfs_gpfs_is_offline(handle, fsp->fsp_name, &fsp->fsp_name->st);
1907 }
1908
1909 static ssize_t vfs_gpfs_sendfile(vfs_handle_struct *handle, int tofd,
1910                                  files_struct *fsp, const DATA_BLOB *hdr,
1911                                  off_t offset, size_t n)
1912 {
1913         if (SMB_VFS_IS_OFFLINE(handle->conn, fsp->fsp_name, &fsp->fsp_name->st))
1914         {
1915                 errno = ENOSYS;
1916                 return -1;
1917         }
1918         return SMB_VFS_NEXT_SENDFILE(handle, tofd, fsp, hdr, offset, n);
1919 }
1920
1921 static int vfs_gpfs_connect(struct vfs_handle_struct *handle,
1922                             const char *service, const char *user)
1923 {
1924         struct gpfs_config_data *config;
1925         int ret;
1926
1927         gpfswrap_lib_init(0);
1928
1929         config = talloc_zero(handle->conn, struct gpfs_config_data);
1930         if (!config) {
1931                 DEBUG(0, ("talloc_zero() failed\n"));
1932                 errno = ENOMEM;
1933                 return -1;
1934         }
1935
1936         ret = SMB_VFS_NEXT_CONNECT(handle, service, user);
1937         if (ret < 0) {
1938                 TALLOC_FREE(config);
1939                 return ret;
1940         }
1941
1942         config->sharemodes = lp_parm_bool(SNUM(handle->conn), "gpfs",
1943                                         "sharemodes", true);
1944
1945         config->leases = lp_parm_bool(SNUM(handle->conn), "gpfs",
1946                                         "leases", true);
1947
1948         config->hsm = lp_parm_bool(SNUM(handle->conn), "gpfs",
1949                                    "hsm", false);
1950
1951         config->syncio = lp_parm_bool(SNUM(handle->conn), "gpfs",
1952                                       "syncio", false);
1953
1954         config->winattr = lp_parm_bool(SNUM(handle->conn), "gpfs",
1955                                        "winattr", false);
1956
1957         config->ftruncate = lp_parm_bool(SNUM(handle->conn), "gpfs",
1958                                          "ftruncate", true);
1959
1960         config->getrealfilename = lp_parm_bool(SNUM(handle->conn), "gpfs",
1961                                                "getrealfilename", true);
1962
1963         config->dfreequota = lp_parm_bool(SNUM(handle->conn), "gpfs",
1964                                           "dfreequota", false);
1965
1966         config->prealloc = lp_parm_bool(SNUM(handle->conn), "gpfs",
1967                                    "prealloc", true);
1968
1969         config->acl = lp_parm_bool(SNUM(handle->conn), "gpfs", "acl", true);
1970
1971         config->settimes = lp_parm_bool(SNUM(handle->conn), "gpfs",
1972                                         "settimes", true);
1973         config->recalls = lp_parm_bool(SNUM(handle->conn), "gpfs",
1974                                        "recalls", true);
1975
1976         SMB_VFS_HANDLE_SET_DATA(handle, config,
1977                                 NULL, struct gpfs_config_data,
1978                                 return -1);
1979
1980         if (config->leases) {
1981                 /*
1982                  * GPFS lease code is based on kernel oplock code
1983                  * so make sure it is turned on
1984                  */
1985                 if (!lp_kernel_oplocks(SNUM(handle->conn))) {
1986                         DEBUG(5, ("Enabling kernel oplocks for "
1987                                   "gpfs:leases to work\n"));
1988                         lp_do_parameter(SNUM(handle->conn), "kernel oplocks",
1989                                         "true");
1990                 }
1991
1992                 /*
1993                  * as the kernel does not properly support Level II oplocks
1994                  * and GPFS leases code is based on kernel infrastructure, we
1995                  * need to turn off Level II oplocks if gpfs:leases is enabled
1996                  */
1997                 if (lp_level2_oplocks(SNUM(handle->conn))) {
1998                         DEBUG(5, ("gpfs:leases are enabled, disabling "
1999                                   "Level II oplocks\n"));
2000                         lp_do_parameter(SNUM(handle->conn), "level2 oplocks",
2001                                         "false");
2002                 }
2003         }
2004
2005         return 0;
2006 }
2007
2008 static int get_gpfs_quota(const char *pathname, int type, int id,
2009                           struct gpfs_quotaInfo *qi)
2010 {
2011         int ret;
2012
2013         ZERO_STRUCTP(qi);
2014         ret = gpfswrap_quotactl(discard_const_p(char, pathname),
2015                                 GPFS_QCMD(Q_GETQUOTA, type), id, qi);
2016
2017         if (ret) {
2018                 if (errno == GPFS_E_NO_QUOTA_INST) {
2019                         DEBUG(10, ("Quotas disabled on GPFS filesystem.\n"));
2020                 } else if (errno != ENOSYS) {
2021                         DEBUG(0, ("Get quota failed, type %d, id, %d, "
2022                                   "errno %d.\n", type, id, errno));
2023                 }
2024
2025                 return ret;
2026         }
2027
2028         DEBUG(10, ("quota type %d, id %d, blk u:%lld h:%lld s:%lld gt:%u\n",
2029                    type, id, qi->blockUsage, qi->blockHardLimit,
2030                    qi->blockSoftLimit, qi->blockGraceTime));
2031
2032         return ret;
2033 }
2034
2035 static int vfs_gpfs_get_quotas(const char *path, uid_t uid, gid_t gid,
2036                                int *fset_id,
2037                                struct gpfs_quotaInfo *qi_user,
2038                                struct gpfs_quotaInfo *qi_group,
2039                                struct gpfs_quotaInfo *qi_fset)
2040 {
2041         int err;
2042         char *dir_path;
2043         bool b;
2044
2045         /*
2046          * We want to always use the directory to get the fileset id,
2047          * because files might have a share mode. We also do not want
2048          * to get the parent directory when there is already a
2049          * directory to avoid stepping in a different fileset.  The
2050          * path passed here is currently either "." or a filename, so
2051          * this is ok. The proper solution would be having a way to
2052          * query the fileset id without opening the file.
2053          */
2054         b = parent_dirname(talloc_tos(), path, &dir_path, NULL);
2055         if (!b) {
2056                 errno = ENOMEM;
2057                 return -1;
2058         }
2059
2060         DEBUG(10, ("path %s, directory %s\n", path, dir_path));
2061
2062         err = get_gpfs_fset_id(dir_path, fset_id);
2063         if (err) {
2064                 DEBUG(0, ("Get fset id failed path %s, dir %s, errno %d.\n",
2065                           path, dir_path, errno));
2066                 return err;
2067         }
2068
2069         err = get_gpfs_quota(path, GPFS_USRQUOTA, uid, qi_user);
2070         if (err) {
2071                 return err;
2072         }
2073
2074         err = get_gpfs_quota(path, GPFS_GRPQUOTA, gid, qi_group);
2075         if (err) {
2076                 return err;
2077         }
2078
2079         err = get_gpfs_quota(path, GPFS_FILESETQUOTA, *fset_id, qi_fset);
2080         if (err) {
2081                 return err;
2082         }
2083
2084         return 0;
2085 }
2086
2087 static void vfs_gpfs_disk_free_quota(struct gpfs_quotaInfo qi, time_t cur_time,
2088                                      uint64_t *dfree, uint64_t *dsize)
2089 {
2090         uint64_t usage, limit;
2091
2092         /*
2093          * The quota reporting is done in units of 1024 byte blocks, but
2094          * sys_fsusage uses units of 512 byte blocks, adjust the block number
2095          * accordingly. Also filter possibly negative usage counts from gpfs.
2096          */
2097         usage = qi.blockUsage < 0 ? 0 : (uint64_t)qi.blockUsage * 2;
2098         limit = (uint64_t)qi.blockHardLimit * 2;
2099
2100         /*
2101          * When the grace time for the exceeded soft block quota has been
2102          * exceeded, the soft block quota becomes an additional hard limit.
2103          */
2104         if (qi.blockSoftLimit &&
2105             qi.blockGraceTime && cur_time > qi.blockGraceTime) {
2106                 /* report disk as full */
2107                 *dfree = 0;
2108                 *dsize = MIN(*dsize, usage);
2109         }
2110
2111         if (!qi.blockHardLimit)
2112                 return;
2113
2114         if (usage >= limit) {
2115                 /* report disk as full */
2116                 *dfree = 0;
2117                 *dsize = MIN(*dsize, usage);
2118
2119         } else {
2120                 /* limit has not been reached, determine "free space" */
2121                 *dfree = MIN(*dfree, limit - usage);
2122                 *dsize = MIN(*dsize, limit);
2123         }
2124 }
2125
2126 static uint64_t vfs_gpfs_disk_free(vfs_handle_struct *handle, const char *path,
2127                                    uint64_t *bsize,
2128                                    uint64_t *dfree, uint64_t *dsize)
2129 {
2130         struct security_unix_token *utok;
2131         struct gpfs_quotaInfo qi_user, qi_group, qi_fset;
2132         struct gpfs_config_data *config;
2133         int err, fset_id;
2134         time_t cur_time;
2135
2136         SMB_VFS_HANDLE_GET_DATA(handle, config, struct gpfs_config_data,
2137                                 return (uint64_t)-1);
2138         if (!config->dfreequota) {
2139                 return SMB_VFS_NEXT_DISK_FREE(handle, path,
2140                                               bsize, dfree, dsize);
2141         }
2142
2143         err = sys_fsusage(path, dfree, dsize);
2144         if (err) {
2145                 DEBUG (0, ("Could not get fs usage, errno %d\n", errno));
2146                 return SMB_VFS_NEXT_DISK_FREE(handle, path,
2147                                               bsize, dfree, dsize);
2148         }
2149
2150         /* sys_fsusage returns units of 512 bytes */
2151         *bsize = 512;
2152
2153         DEBUG(10, ("fs dfree %llu, dsize %llu\n",
2154                    (unsigned long long)*dfree, (unsigned long long)*dsize));
2155
2156         utok = handle->conn->session_info->unix_token;
2157         err = vfs_gpfs_get_quotas(path, utok->uid, utok->gid, &fset_id,
2158                                   &qi_user, &qi_group, &qi_fset);
2159         if (err) {
2160                 return SMB_VFS_NEXT_DISK_FREE(handle, path,
2161                                               bsize, dfree, dsize);
2162         }
2163
2164         cur_time = time(NULL);
2165
2166         /* Adjust free space and size according to quota limits. */
2167         vfs_gpfs_disk_free_quota(qi_user, cur_time, dfree, dsize);
2168         vfs_gpfs_disk_free_quota(qi_group, cur_time, dfree, dsize);
2169
2170         /* Id 0 indicates the default quota, not an actual quota */
2171         if (fset_id != 0) {
2172                 vfs_gpfs_disk_free_quota(qi_fset, cur_time, dfree, dsize);
2173         }
2174
2175         disk_norm(bsize, dfree, dsize);
2176         return *dfree;
2177 }
2178
2179 static uint32_t vfs_gpfs_capabilities(struct vfs_handle_struct *handle,
2180                                       enum timestamp_set_resolution *p_ts_res)
2181 {
2182         struct gpfs_config_data *config;
2183         uint32_t next;
2184
2185         next = SMB_VFS_NEXT_FS_CAPABILITIES(handle, p_ts_res);
2186
2187         SMB_VFS_HANDLE_GET_DATA(handle, config,
2188                                 struct gpfs_config_data,
2189                                 return next);
2190
2191         if (config->hsm) {
2192                 next |= FILE_SUPPORTS_REMOTE_STORAGE;
2193         }
2194         return next;
2195 }
2196
2197 static int vfs_gpfs_open(struct vfs_handle_struct *handle,
2198                          struct smb_filename *smb_fname, files_struct *fsp,
2199                          int flags, mode_t mode)
2200 {
2201         struct gpfs_config_data *config;
2202
2203         SMB_VFS_HANDLE_GET_DATA(handle, config,
2204                                 struct gpfs_config_data,
2205                                 return -1);
2206
2207         if (config->hsm && !config->recalls) {
2208                 if (SMB_VFS_IS_OFFLINE(handle->conn, smb_fname, &smb_fname->st))
2209                 {
2210                         DEBUG(10, ("Refusing access to offline file %s\n",
2211                                   fsp_str_dbg(fsp)));
2212                         errno = EACCES;
2213                         return -1;
2214                 }
2215         }
2216
2217         if (config->syncio) {
2218                 flags |= O_SYNC;
2219         }
2220         return SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
2221 }
2222
2223 static ssize_t vfs_gpfs_pread(vfs_handle_struct *handle, files_struct *fsp,
2224                               void *data, size_t n, off_t offset)
2225 {
2226         ssize_t ret;
2227         bool was_offline;
2228
2229         was_offline = SMB_VFS_IS_OFFLINE(handle->conn, fsp->fsp_name,
2230                                          &fsp->fsp_name->st);
2231
2232         ret = SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
2233
2234         if ((ret != -1) && was_offline) {
2235                 notify_fname(handle->conn, NOTIFY_ACTION_MODIFIED,
2236                              FILE_NOTIFY_CHANGE_ATTRIBUTES,
2237                              fsp->fsp_name->base_name);
2238         }
2239
2240         return ret;
2241 }
2242
2243 struct vfs_gpfs_pread_state {
2244         struct files_struct *fsp;
2245         ssize_t ret;
2246         int err;
2247         bool was_offline;
2248 };
2249
2250 static void vfs_gpfs_pread_done(struct tevent_req *subreq);
2251
2252 static struct tevent_req *vfs_gpfs_pread_send(struct vfs_handle_struct *handle,
2253                                               TALLOC_CTX *mem_ctx,
2254                                               struct tevent_context *ev,
2255                                               struct files_struct *fsp,
2256                                               void *data, size_t n,
2257                                               off_t offset)
2258 {
2259         struct tevent_req *req, *subreq;
2260         struct vfs_gpfs_pread_state *state;
2261
2262         req = tevent_req_create(mem_ctx, &state, struct vfs_gpfs_pread_state);
2263         if (req == NULL) {
2264                 return NULL;
2265         }
2266         state->was_offline = SMB_VFS_IS_OFFLINE(handle->conn, fsp->fsp_name,
2267                                                 &fsp->fsp_name->st);
2268         state->fsp = fsp;
2269         subreq = SMB_VFS_NEXT_PREAD_SEND(state, ev, handle, fsp, data,
2270                                          n, offset);
2271         if (tevent_req_nomem(subreq, req)) {
2272                 return tevent_req_post(req, ev);
2273         }
2274         tevent_req_set_callback(subreq, vfs_gpfs_pread_done, req);
2275         return req;
2276 }
2277
2278 static void vfs_gpfs_pread_done(struct tevent_req *subreq)
2279 {
2280         struct tevent_req *req = tevent_req_callback_data(
2281                 subreq, struct tevent_req);
2282         struct vfs_gpfs_pread_state *state = tevent_req_data(
2283                 req, struct vfs_gpfs_pread_state);
2284
2285         state->ret = SMB_VFS_PREAD_RECV(subreq, &state->err);
2286         TALLOC_FREE(subreq);
2287         tevent_req_done(req);
2288 }
2289
2290 static ssize_t vfs_gpfs_pread_recv(struct tevent_req *req, int *err)
2291 {
2292         struct vfs_gpfs_pread_state *state = tevent_req_data(
2293                 req, struct vfs_gpfs_pread_state);
2294         struct files_struct *fsp = state->fsp;
2295
2296         if (tevent_req_is_unix_error(req, err)) {
2297                 return -1;
2298         }
2299         *err = state->err;
2300
2301         if ((state->ret != -1) && state->was_offline) {
2302                 DEBUG(10, ("sending notify\n"));
2303                 notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
2304                              FILE_NOTIFY_CHANGE_ATTRIBUTES,
2305                              fsp->fsp_name->base_name);
2306         }
2307
2308         return state->ret;
2309 }
2310
2311 static ssize_t vfs_gpfs_pwrite(vfs_handle_struct *handle, files_struct *fsp,
2312                                const void *data, size_t n, off_t offset)
2313 {
2314         ssize_t ret;
2315         bool was_offline;
2316
2317         was_offline = SMB_VFS_IS_OFFLINE(handle->conn, fsp->fsp_name,
2318                                          &fsp->fsp_name->st);
2319
2320         ret = SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
2321
2322         if ((ret != -1) && was_offline) {
2323                 notify_fname(handle->conn, NOTIFY_ACTION_MODIFIED,
2324                              FILE_NOTIFY_CHANGE_ATTRIBUTES,
2325                              fsp->fsp_name->base_name);
2326         }
2327
2328         return ret;
2329 }
2330
2331 struct vfs_gpfs_pwrite_state {
2332         struct files_struct *fsp;
2333         ssize_t ret;
2334         int err;
2335         bool was_offline;
2336 };
2337
2338 static void vfs_gpfs_pwrite_done(struct tevent_req *subreq);
2339
2340 static struct tevent_req *vfs_gpfs_pwrite_send(
2341         struct vfs_handle_struct *handle,
2342         TALLOC_CTX *mem_ctx,
2343         struct tevent_context *ev,
2344         struct files_struct *fsp,
2345         const void *data, size_t n,
2346         off_t offset)
2347 {
2348         struct tevent_req *req, *subreq;
2349         struct vfs_gpfs_pwrite_state *state;
2350
2351         req = tevent_req_create(mem_ctx, &state, struct vfs_gpfs_pwrite_state);
2352         if (req == NULL) {
2353                 return NULL;
2354         }
2355         state->was_offline = SMB_VFS_IS_OFFLINE(handle->conn, fsp->fsp_name,
2356                                                 &fsp->fsp_name->st);
2357         state->fsp = fsp;
2358         subreq = SMB_VFS_NEXT_PWRITE_SEND(state, ev, handle, fsp, data,
2359                                          n, offset);
2360         if (tevent_req_nomem(subreq, req)) {
2361                 return tevent_req_post(req, ev);
2362         }
2363         tevent_req_set_callback(subreq, vfs_gpfs_pwrite_done, req);
2364         return req;
2365 }
2366
2367 static void vfs_gpfs_pwrite_done(struct tevent_req *subreq)
2368 {
2369         struct tevent_req *req = tevent_req_callback_data(
2370                 subreq, struct tevent_req);
2371         struct vfs_gpfs_pwrite_state *state = tevent_req_data(
2372                 req, struct vfs_gpfs_pwrite_state);
2373
2374         state->ret = SMB_VFS_PWRITE_RECV(subreq, &state->err);
2375         TALLOC_FREE(subreq);
2376         tevent_req_done(req);
2377 }
2378
2379 static ssize_t vfs_gpfs_pwrite_recv(struct tevent_req *req, int *err)
2380 {
2381         struct vfs_gpfs_pwrite_state *state = tevent_req_data(
2382                 req, struct vfs_gpfs_pwrite_state);
2383         struct files_struct *fsp = state->fsp;
2384
2385         if (tevent_req_is_unix_error(req, err)) {
2386                 return -1;
2387         }
2388         *err = state->err;
2389
2390         if ((state->ret != -1) && state->was_offline) {
2391                 DEBUG(10, ("sending notify\n"));
2392                 notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
2393                              FILE_NOTIFY_CHANGE_ATTRIBUTES,
2394                              fsp->fsp_name->base_name);
2395         }
2396
2397         return state->ret;
2398 }
2399
2400
2401 static struct vfs_fn_pointers vfs_gpfs_fns = {
2402         .connect_fn = vfs_gpfs_connect,
2403         .disk_free_fn = vfs_gpfs_disk_free,
2404         .fs_capabilities_fn = vfs_gpfs_capabilities,
2405         .kernel_flock_fn = vfs_gpfs_kernel_flock,
2406         .linux_setlease_fn = vfs_gpfs_setlease,
2407         .get_real_filename_fn = vfs_gpfs_get_real_filename,
2408         .fget_nt_acl_fn = gpfsacl_fget_nt_acl,
2409         .get_nt_acl_fn = gpfsacl_get_nt_acl,
2410         .fset_nt_acl_fn = gpfsacl_fset_nt_acl,
2411         .sys_acl_get_file_fn = gpfsacl_sys_acl_get_file,
2412         .sys_acl_get_fd_fn = gpfsacl_sys_acl_get_fd,
2413         .sys_acl_blob_get_file_fn = gpfsacl_sys_acl_blob_get_file,
2414         .sys_acl_blob_get_fd_fn = gpfsacl_sys_acl_blob_get_fd,
2415         .sys_acl_set_file_fn = gpfsacl_sys_acl_set_file,
2416         .sys_acl_set_fd_fn = gpfsacl_sys_acl_set_fd,
2417         .sys_acl_delete_def_file_fn = gpfsacl_sys_acl_delete_def_file,
2418         .chmod_fn = vfs_gpfs_chmod,
2419         .fchmod_fn = vfs_gpfs_fchmod,
2420         .close_fn = vfs_gpfs_close,
2421         .setxattr_fn = gpfs_set_xattr,
2422         .getxattr_fn = gpfs_get_xattr,
2423         .stat_fn = vfs_gpfs_stat,
2424         .fstat_fn = vfs_gpfs_fstat,
2425         .lstat_fn = vfs_gpfs_lstat,
2426         .ntimes_fn = vfs_gpfs_ntimes,
2427         .is_offline_fn = vfs_gpfs_is_offline,
2428         .aio_force_fn = vfs_gpfs_aio_force,
2429         .sendfile_fn = vfs_gpfs_sendfile,
2430         .fallocate_fn = vfs_gpfs_fallocate,
2431         .open_fn = vfs_gpfs_open,
2432         .pread_fn = vfs_gpfs_pread,
2433         .pread_send_fn = vfs_gpfs_pread_send,
2434         .pread_recv_fn = vfs_gpfs_pread_recv,
2435         .pwrite_fn = vfs_gpfs_pwrite,
2436         .pwrite_send_fn = vfs_gpfs_pwrite_send,
2437         .pwrite_recv_fn = vfs_gpfs_pwrite_recv,
2438         .ftruncate_fn = vfs_gpfs_ftruncate
2439 };
2440
2441 NTSTATUS vfs_gpfs_init(void);
2442 NTSTATUS vfs_gpfs_init(void)
2443 {
2444         int ret;
2445
2446         ret = gpfswrap_init();
2447         if (ret != 0) {
2448                 DEBUG(1, ("Could not initialize GPFS library wrapper\n"));
2449         }
2450
2451         return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "gpfs",
2452                                 &vfs_gpfs_fns);
2453 }