usr/src/cmd/ndmpd/ndmp/ndmpd.h

   1 /*
   2  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright (c) 2015 by Delphix. All rights reserved.
   4  */
   5
   6 /*
   7  * BSD 3 Clause License
   8  *
   9  * Copyright (c) 2007, The Storage Networking Industry Association.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  *      - Redistributions of source code must retain the above copyright
  15  *        notice, this list of conditions and the following disclaimer.
  16  *
  17  *      - Redistributions in binary form must reproduce the above copyright
  18  *        notice, this list of conditions and the following disclaimer in
  19  *        the documentation and/or other materials provided with the
  20  *        distribution.
  21  *
  22  *      - Neither the name of The Storage Networking Industry Association (SNIA)
  23  *        nor the names of its contributors may be used to endorse or promote
  24  *        products derived from this software without specific prior written
  25  *        permission.
  26  *
  27  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  28  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  29  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  30  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  31  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  37  * POSSIBILITY OF SUCH DAMAGE.
  38  */
  39 /* Copyright (c) 2007, The Storage Networking Industry Association. */
  40 /* Copyright (c) 1996, 1997 PDC, Network Appliance. All Rights Reserved */
  41 /* Copyright 2014 Nexenta Systems, Inc.  All rights reserved.  */
  42
  43 #ifndef _NDMPD_H
  44 #define _NDMPD_H
  45
  46 #include <sys/types.h>
  47 #include <libzfs.h>
  48 #include <ndmpd_door.h>
  49 #include <libndmp.h>
  50 #include "ndmpd_common.h"
  51 #include "tlm_buffers.h"
  52 #include <dirent.h>
  53 #include "ndmpd_prop.h"
  54 #include "traverse.h"
  55 #include <pthread.h>
  56 #include <libndmp.h>
  57 #include <atomic.h>
  58
  59 #define MAX_RECORD_SIZE (126*512)
  60 #define REMOTE_RECORD_SIZE    (60*KILOBYTE)
  61 #define SCSI_MAX_NAME 32
  62 #define MD5_CHALLENGE_SIZE      64
  63 #define MD5_PASS_LIMIT          32
  64
  65 /* Test unit ready */
  66 #define TUR_WAIT        3000000
  67 #define TUR_MAX_TRY     3
  68
  69
  70 /* File handler classes */
  71 #define HC_CLIENT       1
  72 #define HC_MOVER        2
  73 #define HC_MODULE       4
  74 #define HC_ALL          0xffffffff
  75
  76 #define IN_ADDR(x) \
  77         (*(struct in_addr *)&x)
  78
  79 #define FS_READONLY(fs)         (hasmntopt(fs, "ro")  ? 1 :  0)
  80
  81 typedef void *(*funct_t)(void *);       /* function pointer */
  82
  83 #define HOSTNAMELEN     256
  84
  85 #define VENDOR_NAME     "Sun Microsystems"
  86 #define PRODUCT_NAME    "Solaris 5.11"
  87
  88 /*
  89  * Calculate array length based on its size and size of
  90  * its elements.
  91  */
  92 #define ARRAY_LEN(a, t) (sizeof (a) / sizeof (t))
  93 /*
  94  * Default maximum permitted sequence number for the token-based backup.
  95  */
  96 #define NDMP_MAX_TOKSEQ 9
  97
  98 /*
  99  * Hard-limit for the sequence number in the token-based backup.
 100  * It's one less than the ASCII value of 'A'.  The 'A' letter
 101  * can be used as level in the lbr-type backups.
 102  */
 103 #define NDMP_TOKSEQ_HLIMIT      ('A' - 1)
 104
 105
 106 /*
 107  * Soft-limit for the sequence number in the token-based backup.
 108  */
 109 #define NDMP_TOKSEQ_SLIMIT      (NDMP_TOKSEQ_HLIMIT - 5)
 110
 111
 112 /*
 113  * Root inode number of dump format in V2.
 114  */
 115 #define ROOT_INODE      2
 116
 117 /*
 118  * NDMP backup image signature
 119  */
 120 #define NDMPUTF8MAGIC "NDMPUTF8MAGIC"
 121
 122 /*
 123  * Supported BU types
 124  */
 125 #define NDMP_TAR_TYPE   "tar"
 126 #define NDMP_DUMP_TYPE  "dump"
 127 #define NDMP_ZFS_TYPE   "zfs"
 128
 129 /* All 1's binary maximum mover window */
 130 #define MAX_WINDOW_SIZE 0xffffffffffffffffULL
 131
 132 #define NDMP_FREE(cp)   { free((char *)(cp)); (cp) = NULL; }
 133
 134 #define NDMP_YORN(f)    ((f) ? 'Y' : 'N')
 135 #define NDMP_TORF(f)    ((f) ? "TRUE" : "FALSE")
 136 #define NDMP_SVAL(cp)   ((cp) ? (cp) : "NULL")
 137
 138 #define NDMP_SETENV(env, nm, val) \
 139         { \
 140                 env->name = nm; \
 141                 env->value = val; \
 142                 env++; \
 143         }
 144
 145 #define NDMP_CL_ADDR_LEN        24
 146 #define NDMP_TCP_ADDR_SIZE      32
 147 #define NDMP_TAPE_DEV_NAME      256
 148
 149 typedef struct {
 150         char *bk_path;
 151         int bk_llevel; /* last backup level */
 152         time_t bk_ldate; /* last backup date */
 153         int bk_clevel;  /* current backup level */
 154         time_t bk_cdate; /* current backup date */
 155         int bk_map;
 156         int bk_dirino;
 157         char *bk_dmpnm;
 158         char **bk_exl; /* exlude list */
 159         char **bk_inc; /* include list */
 160 } ndmp_backup_params_t;
 161
 162
 163 typedef struct {
 164         ulong_t rs_nf;  /* number of files to restore */
 165         char *rs_path;
 166         char *rs_bkpath;
 167         int *rs_restored;
 168         int rs_bm;
 169         int rs_lastidx;
 170 } ndmp_restore_params_t;
 171
 172 /*
 173  * Tar format archiving ops table
 174  */
 175 extern tm_ops_t tm_tar_ops;
 176
 177 /*
 178  * IS_LBR_BKTYPE shows if the backup type is one of these
 179  * 'F' of 'f': 'Full' backup type.
 180  * 'A' of 'a': 'Archive' backup type.
 181  * 'I' of 'i': 'Incremental' backup type.
 182  * 'D' of 'd': 'Differntial' backup type.
 183  */
 184 #define IS_LBR_BKTYPE(t)        (((t) && strchr("FAID", toupper(t))) ? 1 : 0)
 185
 186
 187 /*
 188  * NLP flags.
 189  */
 190 #define NLPF_CHKPNTED_PATH      (1 << 0)
 191 #define NLPF_FH                 (1 << 1)
 192 #define NLPF_DIRECT             (1 << 2)
 193 #define NLPF_UPDATE             (1 << 3)
 194 #define NLPF_DUMP               (1 << 4)
 195 #define NLPF_TAR                (1 << 5)
 196 #define NLPF_ABORTED            (1 << 6)
 197 #define NLPF_TOKENBK            (1 << 8)
 198 #define NLPF_LBRBK              (1 << 9)
 199 #define NLPF_LEVELBK            (1 << 10)
 200 #define NLPF_IGNCTIME           (1 << 11)
 201 #define NLPF_INCLMTIME          (1 << 12)
 202 #define NLPF_RECURSIVE          (1 << 13)
 203
 204 /*
 205  * Macros on NLP flags.
 206  */
 207 #define NLP_ISSET(n, f) (((n)->nlp_flags & (f)) != 0)
 208 #define NLP_SET(n, f)   (n)->nlp_flags |= (f)
 209 #define NLP_UNSET(n, f) (n)->nlp_flags &= ~(f)
 210
 211
 212 #define NLP_ISCHKPNTED(n)       NLP_ISSET(n, NLPF_CHKPNTED_PATH)
 213 #define NLP_SHOULD_UPDATE(n)    NLP_ISSET(n, NLPF_UPDATE)
 214 #define NLP_ISDUMP(n)           NLP_ISSET(n, NLPF_DUMP)
 215 #define NLP_ISTAR(n)            NLP_ISSET(n, NLPF_TAR)
 216 #define NLP_IGNCTIME(n)         NLP_ISSET(n, NLPF_IGNCTIME)
 217 #define NLP_INCLMTIME(n)        NLP_ISSET(n, NLPF_INCLMTIME)
 218
 219 /*
 220  * NDMP statistics
 221  */
 222 #define NS_INC(s)       (atomic_inc_32((volatile uint32_t *)&ndstat.ns_##s))
 223 #define NS_DEC(s)       (atomic_dec_32((volatile uint32_t *)&ndstat.ns_##s))
 224 #define NS_ADD(s, d)    (atomic_add_64((volatile uint64_t *)&ndstat.ns_##s, \
 225         (uint64_t)d))
 226 #define NS_UPD(s, t)    { \
 227         atomic_inc_32((volatile uint32_t *)&ndstat.ns_##s); \
 228         atomic_dec_32((volatile uint32_t *)&ndstat.ns_##t); \
 229         }
 230
 231 #define NLP_READY       1
 232
 233 typedef struct ndmp_lbr_params {
 234         struct ndmpd_session *nlp_session;
 235         int nlp_flags;
 236
 237         ndmp_backup_params_t bk_params;
 238         ndmp_restore_params_t rs_params;
 239 #define nlp_backup_path bk_params.bk_path
 240 #define nlp_llevel      bk_params.bk_llevel
 241 #define nlp_ldate       bk_params.bk_ldate
 242 #define nlp_clevel      bk_params.bk_clevel
 243 #define nlp_tokseq      nlp_clevel
 244 #define nlp_tokdate     nlp_ldate
 245 #define nlp_cdate       bk_params.bk_cdate
 246 #define nlp_bkmap       bk_params.bk_map
 247 #define nlp_bkdirino    bk_params.bk_dirino
 248 #define nlp_dmpnm       bk_params.bk_dmpnm
 249 #define nlp_exl         bk_params.bk_exl
 250 #define nlp_inc         bk_params.bk_inc
 251
 252 #define nlp_nfiles      rs_params.rs_nf
 253 #define nlp_restore_path        rs_params.rs_path
 254 #define nlp_restore_bk_path     rs_params.rs_bkpath
 255 #define nlp_restored    rs_params.rs_restored
 256 #define nlp_rsbm        rs_params.rs_bm
 257 #define nlp_lastidx     rs_params.rs_lastidx
 258
 259         ndmpd_module_params_t *nlp_params;
 260         tlm_job_stats_t *nlp_jstat;
 261         lbr_fhlog_call_backs_t *nlp_logcallbacks;
 262         tlm_commands_t nlp_cmds;
 263
 264         cond_t  nlp_cv;         /* for signaling a processed request */
 265         mutex_t nlp_mtx;        /* mutex to synchronize access to nlp_cv */
 266         u_longlong_t nlp_bytes_total;
 267 } ndmp_lbr_params_t;
 268
 269
 270 typedef struct mem_ndmp_name_v3 {
 271         char *nm3_opath;
 272         char *nm3_dpath;
 273         char *nm3_newnm;
 274         u_longlong_t nm3_node;
 275         u_longlong_t nm3_fh_info;
 276         ndmp_error nm3_err;
 277 } mem_ndmp_name_v3_t;
 278
 279 typedef struct ndmpd_file_handler {
 280         int fh_fd;
 281         ulong_t fh_mode;
 282         ulong_t fh_class;
 283         void *fh_cookie;
 284         ndmpd_file_handler_func_t *fh_func;
 285         struct ndmpd_file_handler *fh_next;
 286 } ndmpd_file_handler_t;
 287
 288 typedef struct ndmpd_session_scsi_desc {
 289         int sd_is_open;
 290         int sd_devid;
 291         boolean_t sd_valid_target_set;
 292         int sd_sid;
 293         int sd_lun;
 294         char sd_adapter_name[SCSI_MAX_NAME];
 295 } ndmpd_session_scsi_desc_t;
 296
 297 typedef struct ndmpd_session_tape_desc {
 298         int td_fd;                      /* tape device file descriptor */
 299         ulong_t td_record_count;        /* number of records written */
 300         ndmp_tape_open_mode td_mode;    /* tape device open mode */
 301         u_longlong_t td_pos;    /* current position on the current tape */
 302         int td_sid;
 303         int td_lun;
 304         char td_adapter_name[SCSI_MAX_NAME];
 305 } ndmpd_session_tape_desc_t;
 306
 307 typedef struct ndmpd_session_mover_desc {
 308         ndmp_mover_state md_state;      /* current state */
 309         ndmp_mover_mode md_mode;        /* current mode */
 310         ndmp_mover_pause_reason md_pause_reason;        /* current reason */
 311         ndmp_mover_halt_reason md_halt_reason;  /* current reason */
 312         u_longlong_t md_data_written;   /* total written to tape */
 313         u_longlong_t md_seek_position;  /* current seek position */
 314         u_longlong_t md_bytes_left_to_read; /* #bytes to end of seek window */
 315         u_longlong_t md_window_offset;  /* valid data window begin */
 316         u_longlong_t md_window_length;  /* valid data window length */
 317         u_longlong_t md_position;       /* current data stream pos */
 318         boolean_t md_pre_cond;          /* used for precondition checks */
 319         ulong_t md_record_size; /* tape I/O record size */
 320         ulong_t md_record_num;  /* current record num */
 321         int md_listen_sock;             /* data conn listen socket */
 322         int md_sock;            /* data conn socket */
 323         ulong_t md_r_index;             /* buffer read  index */
 324         ulong_t md_w_index;             /* buffer write index */
 325         char *md_buf;           /* data buffer */
 326         /*
 327          * V2 fields.
 328          */
 329         ulong_t md_discard_length;      /* bytes to discard */
 330
 331         /*
 332          * V3 fields.
 333          */
 334         ndmp_addr_v3 md_data_addr;
 335         /*
 336          * V4 fields.
 337          */
 338         ndmp_addr_v4 md_data_addr_v4;
 339 } ndmpd_session_mover_desc_t;
 340
 341
 342 typedef struct ndmpd_session_data_module {
 343         void *dm_module_cookie; /* sent as abort_func param */
 344         module_start_func_t *dm_start_func;     /* start function */
 345         module_abort_func_t *dm_abort_func;     /* abort function */
 346         ndmpd_module_stats dm_stats;    /* statistics buffer */
 347 } ndmpd_session_data_module_t;
 348
 349 typedef struct ndmpd_session_data_desc {
 350         /*
 351          * Common fields.
 352          */
 353         ndmp_data_operation dd_operation;       /* current operation */
 354         boolean_t dd_abort;             /* abort operation flag */
 355         boolean_t dd_io_ready;          /* mover sock read for I/O */
 356         ndmp_pval *dd_env;      /* environment from backup or recover request */
 357         ulong_t dd_env_len;             /* environment length */
 358         ulong_t dd_nlist_len;   /* recover file list length */
 359         int dd_sock;            /* listen and data socket */
 360         u_longlong_t dd_read_offset;    /* data read seek offset */
 361         u_longlong_t dd_read_length;    /* data read length */
 362         u_longlong_t dd_data_size;      /* data size to be backed up */
 363         ndmpd_session_data_module_t dd_module;
 364
 365         ndmp_data_state dd_state;       /* current state */
 366         ndmp_data_halt_reason dd_halt_reason;           /* current reason */
 367         /*
 368          * V2 fields.
 369          */
 370         ndmp_name *dd_nlist;    /* recover file list */
 371         ndmp_mover_addr dd_mover;       /* mover address */
 372         /*
 373          * V3 fields.
 374          */
 375         mem_ndmp_name_v3_t *dd_nlist_v3;
 376         ndmp_addr_v3 dd_data_addr;
 377         int dd_listen_sock;     /* socket for listening for remote */
 378                                 /* mover connections */
 379         u_longlong_t dd_bytes_left_to_read;
 380         u_longlong_t dd_position;
 381         u_longlong_t dd_discard_length;
 382         /*
 383          * V4 fields.
 384          */
 385         ndmp_addr_v4 dd_data_addr_v4;
 386 } ndmpd_session_data_desc_t;
 387
 388 typedef struct ndmpd_session_file_history {
 389         ndmp_fh_unix_path *fh_path_entries;
 390         ndmp_fh_unix_dir *fh_dir_entries;
 391         ndmp_fh_unix_node *fh_node_entries;
 392         char *fh_path_name_buf;
 393         char *fh_dir_name_buf;
 394         ulong_t fh_path_index;
 395         ulong_t fh_dir_index;
 396         ulong_t fh_node_index;
 397         ulong_t fh_path_name_buf_index;
 398         ulong_t fh_dir_name_buf_index;
 399 } ndmpd_session_file_history_t;
 400
 401 typedef struct ndmpd_session_file_history_v3 {
 402         ndmp_file_v3 *fh_files;
 403         ndmp_dir_v3 *fh_dirs;
 404         ndmp_node_v3 *fh_nodes;
 405         ndmp_file_name_v3 *fh_file_names;
 406         ndmp_file_name_v3 *fh_dir_names;
 407         ndmp_file_stat_v3 *fh_file_stats;
 408         ndmp_file_stat_v3 *fh_node_stats;
 409         char *fh_file_name_buf;
 410         char *fh_dir_name_buf;
 411         ulong_t fh_file_index;
 412         ulong_t fh_dir_index;
 413         ulong_t fh_node_index;
 414         ulong_t fh_file_name_buf_index;
 415         ulong_t fh_dir_name_buf_index;
 416 } ndmpd_session_file_history_v3_t;
 417
 418 /*
 419  * zfs-based backup (zfs send/recv)
 420  */
 421
 422 typedef enum {
 423         NDMPD_ZFS_MAJOR_0,
 424 } ndmpd_zfs_major_t;
 425
 426 typedef enum {
 427         NDMPD_ZFS_MINOR_0,
 428 } ndmpd_zfs_minor_t;
 429
 430 typedef enum {
 431         NDMPD_ZFS_PROP_MAJOR_0,
 432 } ndmpd_zfs_prop_major_t;
 433
 434 typedef enum {
 435         NDMPD_ZFS_PROP_MINOR_0,
 436 } ndmpd_zfs_prop_minor_t;
 437
 438 #define NDMPD_ZFS_MAJOR_VERSION NDMPD_ZFS_MAJOR_0
 439 #define NDMPD_ZFS_MINOR_VERSION NDMPD_ZFS_MINOR_0
 440 #define NDMPD_ZFS_PROP_MAJOR_VERSION NDMPD_ZFS_PROP_MAJOR_0
 441 #define NDMPD_ZFS_PROP_MINOR_VERSION NDMPD_ZFS_PROP_MINOR_0
 442
 443 #pragma pack(1)
 444 typedef struct {
 445         char nzh_magic[14]; /* NDMPUTF8MAGIC\0 */
 446         uint32_t nzh_major; /* major version */
 447         uint32_t nzh_minor; /* minor version */
 448         uint32_t nzh_hdrlen; /* length of hdr in bytes including magic */
 449         /* future extensions */
 450 } ndmpd_zfs_header_t;
 451 #pragma pack()
 452
 453 #define PIPE_TAPE 0
 454 #define PIPE_ZFS 1
 455
 456 #define NDMPD_ZFS_DMP_NAME_MAX 32
 457
 458 typedef struct ndmpd_zfs_args {
 459         zfs_type_t nz_type;                     /* type of ZFS dataset */
 460         char nz_dataset[ZFS_MAX_DATASET_NAME_LEN]; /* dataset name */
 461         char nz_snapname[ZFS_MAX_DATASET_NAME_LEN]; /* snapname (following @) */
 462         char nz_fromsnap[ZFS_MAX_DATASET_NAME_LEN]; /* snap of L-1 bkup */
 463         char nz_snapprop[ZFS_MAXPROPLEN];       /* contents of snap incr prop */
 464         boolean_t nz_ndmpd_snap;                /* ndmpd-generated snap? */
 465
 466         pthread_t nz_sendrecv_thread;           /* thread for send/recv */
 467         pthread_t nz_tape_thread;               /* thread for tape r/w */
 468         int32_t nz_pipe_fd[2];                  /* pipe for above 2 threads */
 469         int32_t nz_bufsize;                     /* tape r/w buf size */
 470         int64_t nz_window_len;                  /* DMA window length */
 471
 472         int nz_level;                           /* val of LEVEL env var */
 473         char nz_zfs_mode;                       /* val of ZFS_MODE env var */
 474         boolean_t nz_zfs_force;                 /* val of ZFS_FORCE env var */
 475         boolean_t nz_update;                    /* val of UPDATE env var */
 476         char nz_dmp_name[NDMPD_ZFS_DMP_NAME_MAX]; /* val of DMP_NAME env var */
 477         u_longlong_t nz_zfs_backup_size;        /* used for restore only */
 478
 479         ndmpd_module_params_t nz_params;
 480         ndmp_lbr_params_t *nz_nlp;
 481         libzfs_handle_t *nz_zlibh;              /* session-specific lzfs hdl */
 482         ndmp_context_t nz_nctx;                 /* used by plugin */
 483
 484         ndmpd_zfs_header_t nz_tape_header;      /* tape hdr for "zfs" backup */
 485 } ndmpd_zfs_args_t;
 486
 487 #define ndmpd_zfs_params (&(ndmpd_zfs_args)->nz_params)
 488
 489 typedef struct ndmpd_session {
 490         ndmp_connection_t *ns_connection;       /* NDMP connection to client */
 491         boolean_t ns_eof;               /* connection EOF flag */
 492         ushort_t ns_protocol_version;   /* connection protocol version */
 493         ndmpd_session_scsi_desc_t ns_scsi;
 494         ndmpd_session_tape_desc_t ns_tape;
 495         ndmpd_session_mover_desc_t ns_mover;
 496         ndmpd_session_data_desc_t ns_data;
 497         ndmpd_session_file_history_t ns_fh;
 498         ndmpd_file_handler_t *ns_file_handler_list; /* for I/O multiplexing */
 499         int ns_nref;
 500         ndmp_lbr_params_t *ns_ndmp_lbr_params;
 501         struct ndmpd_zfs_args ns_ndmpd_zfs_args;
 502         ndmpd_backup_type_t ns_butype;
 503         mutex_t ns_lock;
 504
 505         /*
 506          * NDMP V3
 507          * Tape, SCSI, mover, data and file handlers will
 508          * be shared between V2 and V3.
 509          */
 510         ndmpd_session_file_history_v3_t ns_fh_v3;
 511         unsigned char ns_challenge[MD5_CHALLENGE_SIZE];  /* For MD5 */
 512
 513         /*
 514          * NDMP V4 related data
 515          */
 516         boolean_t ns_get_ext_list;
 517         boolean_t ns_set_ext_list;
 518
 519         /* handling of hardlink, hardlink queue head */
 520         struct hardlink_q *hardlink_q;
 521 } ndmpd_session_t;
 522
 523
 524 /*
 525  * NDMP request handler functions.
 526  */
 527
 528 /* Config */
 529 ndmp_msg_handler_func_t ndmpd_config_get_host_info_v2;
 530 ndmp_msg_handler_func_t ndmpd_config_get_butype_attr_v2;
 531 ndmp_msg_handler_func_t ndmpd_config_get_mover_type_v2;
 532 ndmp_msg_handler_func_t ndmpd_config_get_auth_attr_v2;
 533
 534 ndmp_msg_handler_func_t ndmpd_config_get_host_info_v3;
 535 ndmp_msg_handler_func_t ndmpd_config_get_butype_info_v3;
 536 ndmp_msg_handler_func_t ndmpd_config_get_connection_type_v3;
 537 ndmp_msg_handler_func_t ndmpd_config_get_auth_attr_v3;
 538 ndmp_msg_handler_func_t ndmpd_config_get_fs_info_v3;
 539 ndmp_msg_handler_func_t ndmpd_config_get_tape_info_v3;
 540 ndmp_msg_handler_func_t ndmpd_config_get_scsi_info_v3;
 541 ndmp_msg_handler_func_t ndmpd_config_get_server_info_v3;
 542
 543 ndmp_msg_handler_func_t ndmpd_config_get_butype_info_v4;
 544 ndmp_msg_handler_func_t ndmpd_config_get_ext_list_v4;
 545 ndmp_msg_handler_func_t ndmpd_config_set_ext_list_v4;
 546
 547
 548 /* Scsi */
 549 ndmp_msg_handler_func_t ndmpd_scsi_open_v2;
 550 ndmp_msg_handler_func_t ndmpd_scsi_close_v2;
 551 ndmp_msg_handler_func_t ndmpd_scsi_get_state_v2;
 552 ndmp_msg_handler_func_t ndmpd_scsi_set_target_v2;
 553 ndmp_msg_handler_func_t ndmpd_scsi_reset_device_v2;
 554 ndmp_msg_handler_func_t ndmpd_scsi_reset_bus_v2;
 555 ndmp_msg_handler_func_t ndmpd_scsi_execute_cdb_v2;
 556
 557 ndmp_msg_handler_func_t ndmpd_scsi_open_v3;
 558 ndmp_msg_handler_func_t ndmpd_scsi_set_target_v3;
 559
 560
 561 /* Tape */
 562 ndmp_msg_handler_func_t ndmpd_tape_open_v2;
 563 ndmp_msg_handler_func_t ndmpd_tape_close_v2;
 564 ndmp_msg_handler_func_t ndmpd_tape_get_state_v2;
 565 ndmp_msg_handler_func_t ndmpd_tape_mtio_v2;
 566 ndmp_msg_handler_func_t ndmpd_tape_write_v2;
 567 ndmp_msg_handler_func_t ndmpd_tape_read_v2;
 568 ndmp_msg_handler_func_t ndmpd_tape_execute_cdb_v2;
 569
 570 ndmp_msg_handler_func_t ndmpd_tape_open_v3;
 571 ndmp_msg_handler_func_t ndmpd_tape_get_state_v3;
 572 ndmp_msg_handler_func_t ndmpd_tape_write_v3;
 573 ndmp_msg_handler_func_t ndmpd_tape_read_v3;
 574
 575
 576 ndmp_msg_handler_func_t ndmpd_tape_close_v4;
 577 /* Data */
 578 ndmp_msg_handler_func_t ndmpd_data_get_state_v2;
 579 ndmp_msg_handler_func_t ndmpd_data_start_backup_v2;
 580 ndmp_msg_handler_func_t ndmpd_data_start_recover_v2;
 581 ndmp_msg_handler_func_t ndmpd_data_get_env_v2;
 582 ndmp_msg_handler_func_t ndmpd_data_stop_v2;
 583 ndmp_msg_handler_func_t ndmpd_data_abort_v2;
 584
 585 ndmp_msg_handler_func_t ndmpd_data_get_state_v3;
 586 ndmp_msg_handler_func_t ndmpd_data_connect_v3;
 587 ndmp_msg_handler_func_t ndmpd_data_listen_v3;
 588 ndmp_msg_handler_func_t ndmpd_data_stop_v3;
 589 ndmp_msg_handler_func_t ndmpd_data_abort_v3;
 590 ndmp_msg_handler_func_t ndmpd_data_start_recover_v3;
 591 ndmp_msg_handler_func_t ndmpd_data_start_backup_v3;
 592
 593 ndmp_msg_handler_func_t ndmpd_data_get_env_v4;
 594 ndmp_msg_handler_func_t ndmpd_data_get_state_v4;
 595 ndmp_msg_handler_func_t ndmpd_data_connect_v4;
 596 ndmp_msg_handler_func_t ndmpd_data_listen_v4;
 597 ndmp_msg_handler_func_t ndmpd_data_start_recover_filehist_v4;
 598
 599
 600 /* Connect */
 601 ndmp_msg_handler_func_t ndmpd_connect_open_v2;
 602 ndmp_msg_handler_func_t ndmpd_connect_client_auth_v2;
 603 ndmp_msg_handler_func_t ndmpd_connect_server_auth_v2;
 604 ndmp_msg_handler_func_t ndmpd_connect_close_v2;
 605
 606 ndmp_msg_handler_func_t ndmpd_connect_client_auth_v3;
 607 ndmp_msg_handler_func_t ndmpd_connect_close_v3;
 608
 609
 610 /* Mover */
 611 ndmp_msg_handler_func_t ndmpd_mover_get_state_v2;
 612 ndmp_msg_handler_func_t ndmpd_mover_listen_v2;
 613 ndmp_msg_handler_func_t ndmpd_mover_continue_v2;
 614 ndmp_msg_handler_func_t ndmpd_mover_abort_v2;
 615 ndmp_msg_handler_func_t ndmpd_mover_stop_v2;
 616 ndmp_msg_handler_func_t ndmpd_mover_set_window_v2;
 617 ndmp_msg_handler_func_t ndmpd_mover_read_v2;
 618 ndmp_msg_handler_func_t ndmpd_mover_close_v2;
 619 ndmp_msg_handler_func_t ndmpd_mover_set_record_size_v2;
 620
 621 ndmp_msg_handler_func_t ndmpd_mover_get_state_v3;
 622 ndmp_msg_handler_func_t ndmpd_mover_listen_v3;
 623 ndmp_msg_handler_func_t ndmpd_mover_continue_v3;
 624 ndmp_msg_handler_func_t ndmpd_mover_abort_v3;
 625 ndmp_msg_handler_func_t ndmpd_mover_set_window_v3;
 626 ndmp_msg_handler_func_t ndmpd_mover_read_v3;
 627 ndmp_msg_handler_func_t ndmpd_mover_set_record_size_v3;
 628 ndmp_msg_handler_func_t ndmpd_mover_connect_v3;
 629
 630
 631 ndmp_msg_handler_func_t ndmpd_mover_get_state_v4;
 632 ndmp_msg_handler_func_t ndmpd_mover_listen_v4;
 633 ndmp_msg_handler_func_t ndmpd_mover_connect_v4;
 634
 635
 636 /*
 637  * Backup/recover module API functions.
 638  */
 639 ndmpd_get_env_func_t ndmpd_api_get_env;
 640 ndmpd_add_env_func_t ndmpd_api_add_env;
 641 ndmpd_add_env_func_t ndmpd_api_set_env;
 642 ndmpd_get_name_func_t ndmpd_api_get_name;
 643 ndmpd_dispatch_func_t ndmpd_api_dispatch;
 644 ndmpd_done_func_t ndmpd_api_done_v2;
 645
 646
 647 ndmpd_write_func_t ndmpd_api_write_v2;
 648 ndmpd_file_history_path_func_t ndmpd_api_file_history_path_v2;
 649 ndmpd_file_history_dir_func_t ndmpd_api_file_history_dir_v2;
 650 ndmpd_file_history_node_func_t ndmpd_api_file_history_node_v2;
 651 ndmpd_read_func_t ndmpd_api_read_v2;
 652 ndmpd_seek_func_t ndmpd_api_seek_v2;
 653 ndmpd_file_recovered_func_t ndmpd_api_file_recovered_v2;
 654 ndmpd_add_file_handler_func_t ndmpd_api_add_file_handler;
 655 ndmpd_remove_file_handler_func_t ndmpd_api_remove_file_handler;
 656
 657
 658 /*
 659  * NDMP V3
 660  */
 661 ndmpd_done_func_t ndmpd_api_done_v3;
 662 ndmpd_write_func_t ndmpd_api_write_v3;
 663 ndmpd_read_func_t ndmpd_api_read_v3;
 664 ndmpd_seek_func_t ndmpd_api_seek_v3;
 665 ndmpd_file_recovered_func_t ndmpd_api_file_recovered_v3;
 666 ndmpd_get_name_func_t ndmpd_api_get_name_v3;
 667 ndmpd_file_history_path_func_t ndmpd_api_file_history_file_v3;
 668 ndmpd_file_history_dir_func_t ndmpd_api_file_history_dir_v3;
 669 ndmpd_file_history_node_func_t ndmpd_api_file_history_node_v3;
 670
 671 /*
 672  * NDMP V4
 673  */
 674 ndmpd_log_func_v3_t ndmpd_api_log_v4;
 675 ndmpd_file_recovered_func_t ndmpd_api_file_recovered_v4;
 676
 677 #ifndef NO_NDMP_API_LOG_PROTOTYPES
 678 ndmpd_log_func_t ndmpd_api_log_v2;
 679 ndmpd_log_func_v3_t ndmpd_api_log_v3;
 680 #endif /* NO_NDMP_API_LOG_PROTOTYPES */
 681
 682 typedef void ndmpd_func_t(ndmp_connection_t *, void *);
 683
 684 /*
 685  * pthread call arg parameters
 686  */
 687 typedef struct {
 688         int nw_sock;
 689         long nw_ipaddr;
 690         ndmp_con_handler_func_t nw_con_handler_func;
 691 } ndmpd_worker_arg_t;
 692
 693 typedef struct {
 694         char *br_jname;
 695         ndmp_lbr_params_t *br_nlp;
 696         tlm_commands_t *br_cmds;
 697         pthread_barrier_t br_barrier;
 698 } backup_reader_arg_t;
 699
 700 typedef struct {
 701         ndmpd_session_t *tr_session;
 702         ndmpd_module_params_t *tr_mod_params;
 703         tlm_commands_t *tr_cmds;
 704 } ndmp_tar_reader_arg_t;
 705
 706 typedef struct {
 707         ndmpd_session_t *bs_session;
 708         char *bs_jname;
 709         char *bs_path;
 710 } ndmp_bkup_size_arg_t;
 711
 712 /*
 713  * Variables from ndmpd_comm.c
 714  */
 715 extern int ndmp_ver;
 716 extern int ndmp_full_restore_path;
 717 extern int ndmp_dar_support;
 718 extern int ndmp_port;
 719 extern ndmp_stat_t ndstat;
 720
 721 extern void ndmpd_main(void);
 722 extern void connection_handler(ndmp_connection_t *);
 723 extern void ndmpd_audit_backup(ndmp_connection_t *conn, char *path,
 724     int dest, char *local_path, int result);
 725 extern void ndmpd_audit_restore(ndmp_connection_t *conn,
 726     char *path, int dest, char *local_path, int result);
 727 extern void ndmpd_audit_connect(ndmp_connection_t *conn,
 728     int result);
 729 extern void ndmpd_audit_disconnect(ndmp_connection_t *conn);
 730
 731 /* Variables from ndmpd_main.c */
 732 extern  libzfs_handle_t *zlibh;
 733 extern  mutex_t zlib_mtx;
 734
 735 /*
 736  * Utility from ndmpd_connect.c.
 737  */
 738 extern int ndmp_connect_list_add(ndmp_connection_t *, int *);
 739 extern int ndmp_connect_list_del(ndmp_connection_t *);
 740 extern int ndmpd_connect_kill_id(int);
 741 extern void ndmp_connect_list_get(ndmp_door_ctx_t *);
 742 extern void ndmpd_get_devs(ndmp_door_ctx_t *);
 743
 744 /*
 745  * Utility functions form ndmpd_data.c.
 746  */
 747 extern void ndmpd_data_cleanup(ndmpd_session_t *);
 748 extern int ndmpd_data_init(ndmpd_session_t *);
 749 extern char *ndmp_data_get_mover_mode(ndmpd_session_t *);
 750 extern void ndmpd_data_error(ndmpd_session_t *, ndmp_data_halt_reason);
 751
 752
 753 /*
 754  * Utility functions from ndmpd_mover.c.
 755  */
 756 extern int ndmpd_mover_init(ndmpd_session_t *);
 757 extern void ndmpd_mover_cleanup(ndmpd_session_t *);
 758 extern ndmp_error ndmpd_mover_connect(ndmpd_session_t *,
 759     ndmp_mover_mode);
 760 extern void ndmpd_mover_error(ndmpd_session_t *,
 761     ndmp_mover_halt_reason);
 762 extern int ndmpd_mover_seek(ndmpd_session_t *,
 763     u_longlong_t,
 764     u_longlong_t);
 765 extern int ndmpd_local_write(ndmpd_session_t *,
 766     char *,
 767     ulong_t);
 768 extern int ndmpd_remote_write(ndmpd_session_t *,
 769     char *,
 770     ulong_t);
 771 extern int ndmpd_local_read(ndmpd_session_t *,
 772     char *,
 773     ulong_t);
 774 extern int ndmpd_remote_read(ndmpd_session_t *,
 775     char *,
 776     ulong_t);
 777
 778 extern void ndmpd_mover_shut_down(ndmpd_session_t *);
 779 extern void ndmpd_mover_error(ndmpd_session_t *,
 780     ndmp_mover_halt_reason);
 781 extern int ndmpd_local_write_v3(ndmpd_session_t *,
 782     char *,
 783     ulong_t);
 784 extern int ndmpd_local_read_v3(ndmpd_session_t *,
 785     char *,
 786     ulong_t);
 787 extern int ndmpd_remote_read_v3(ndmpd_session_t *,
 788     char *,
 789     ulong_t);
 790
 791
 792 /*
 793  * Utility functions from ndmpd_file_history.c
 794  */
 795 extern void ndmpd_file_history_init(ndmpd_session_t *);
 796 extern void ndmpd_file_history_cleanup(ndmpd_session_t *,
 797     boolean_t);
 798 extern int ndmpd_file_history_path(lbr_fhlog_call_backs_t *,
 799     char *,
 800     struct stat64 *,
 801     u_longlong_t);
 802 extern int ndmpd_file_history_dir(lbr_fhlog_call_backs_t *,
 803     char *,
 804     struct stat64 *);
 805 extern int ndmpd_file_history_node(lbr_fhlog_call_backs_t *,
 806     char *,
 807     char *,
 808     struct stat64 *,
 809     u_longlong_t);
 810 extern int
 811 ndmpd_path_restored(lbr_fhlog_call_backs_t *,
 812     char *,
 813     struct stat64 *,
 814     u_longlong_t);
 815 extern int ndmpd_fhpath_v3_cb(lbr_fhlog_call_backs_t *,
 816     char *,
 817     struct stat64 *,
 818     u_longlong_t);
 819 extern int ndmpd_fhdir_v3_cb(lbr_fhlog_call_backs_t *,
 820     char *,
 821     struct stat64 *);
 822 extern int ndmpd_fhnode_v3_cb(lbr_fhlog_call_backs_t *,
 823     char *,
 824     char *,
 825     struct stat64 *,
 826     u_longlong_t);
 827 extern int ndmpd_path_restored_v3(lbr_fhlog_call_backs_t *,
 828     char *,
 829     struct stat64 *,
 830     u_longlong_t);
 831
 832 extern int ndmp_send_recovery_stat_v3(ndmpd_module_params_t *,
 833     ndmp_lbr_params_t *,
 834     int,
 835     int);
 836
 837
 838 /*
 839  * Utility functions from ndmpd_dtime.c
 840  */
 841 extern int ndmpd_put_dumptime(char *, int, time_t);
 842 extern int ndmpd_get_dumptime(char *, int *, time_t *);
 843 extern int ndmpd_append_dumptime(char *, char *, int, time_t);
 844
 845
 846 /*
 847  * Global variables from ndmpd_tar3.c
 848  */
 849 extern char **ndmp_excl_list;
 850
 851
 852 /*
 853  * Global variables from ndmpd_util.c
 854  */
 855 extern int ndmp_force_bk_dirs;
 856 extern int ndmp_rbs;
 857 extern int ndmp_sbs;
 858 extern boolean_t ndmp_dump_path_node;
 859 extern boolean_t ndmp_tar_path_node;
 860 extern boolean_t ndmp_ignore_ctime;
 861 extern boolean_t ndmp_include_lmtime;
 862
 863
 864 /*
 865  * Utility functions from ndmpd_util.c.
 866  */
 867 extern int ndmpd_select(ndmpd_session_t *,
 868     boolean_t,
 869     ulong_t);
 870
 871 extern ndmp_error ndmpd_save_env(ndmpd_session_t *,
 872     ndmp_pval *,
 873     ulong_t);
 874
 875 extern void ndmpd_free_env(ndmpd_session_t *);
 876 extern ndmp_error ndmpd_save_nlist_v2(ndmpd_session_t *,
 877     ndmp_name *,
 878     ulong_t);
 879
 880 extern void ndmpd_free_nlist(ndmpd_session_t *);
 881 extern int ndmpd_add_file_handler(ndmpd_session_t *,
 882     void *,
 883     int,
 884     ulong_t,
 885     ulong_t,
 886     ndmpd_file_handler_func_t *);
 887
 888 extern int ndmpd_remove_file_handler(ndmpd_session_t *,
 889     int);
 890
 891 extern void ndmp_send_reply(ndmp_connection_t *,
 892     void *,
 893     char *);
 894
 895 extern int ndmp_mtioctl(int, int, int);
 896
 897 extern u_longlong_t quad_to_long_long(ndmp_u_quad);
 898 extern ndmp_u_quad long_long_to_quad(u_longlong_t);
 899
 900 extern void set_socket_options(int sock);
 901
 902 extern long ndmp_buffer_get_size(ndmpd_session_t *);
 903 extern int ndmp_lbr_init(ndmpd_session_t *);
 904 extern void ndmp_lbr_cleanup(ndmpd_session_t *);
 905
 906 extern int ndmp_wait_for_mover(ndmpd_session_t *);
 907 extern boolean_t is_buffer_erroneous(tlm_buffer_t *);
 908 extern void ndmp_execute_cdb(ndmpd_session_t *,
 909     char *,
 910     int,
 911     int,
 912     ndmp_execute_cdb_request *);
 913
 914 extern scsi_adapter_t *scsi_get_adapter(int);
 915 extern boolean_t is_tape_unit_ready(char *, int);
 916
 917 extern int ndmp_open_list_add(ndmp_connection_t *, char *, int, int, int);
 918 extern int ndmp_open_list_del(char *, int, int);
 919 extern void ndmp_open_list_release(ndmp_connection_t *);
 920
 921 extern void ndmp_stop_buffer_worker(ndmpd_session_t *);
 922 extern void ndmp_stop_reader_thread(ndmpd_session_t *);
 923 extern void ndmp_stop_writer_thread(ndmpd_session_t *);
 924 extern void ndmp_free_reader_writer_ipc(ndmpd_session_t *);
 925 extern void ndmp_waitfor_op(ndmpd_session_t *);
 926
 927 extern char *cctime(time_t *);
 928 extern char *ndmp_new_job_name(char *);
 929 extern char *ndmpd_mk_temp(char *);
 930 extern char *ndmpd_make_bk_dir_path(char *, char *);
 931 extern boolean_t ndmp_is_chkpnt_root(char *);
 932 extern char **ndmpd_make_exc_list(void);
 933 extern void ndmp_sort_nlist_v3(ndmpd_session_t *);
 934 extern int ndmp_get_bk_dir_ino(ndmp_lbr_params_t *);
 935 extern int ndmp_write_utf8magic(tlm_cmd_t *);
 936 extern int ndmp_tar_writer(ndmpd_session_t *,
 937     ndmpd_module_params_t *,
 938     tlm_commands_t *);
 939 extern void ndmp_wait_for_reader(tlm_commands_t *);
 940 extern ndmp_error ndmpd_save_nlist_v3(ndmpd_session_t *,
 941     ndmp_name_v3 *,
 942     ulong_t);
 943 extern void ndmpd_free_nlist_v3(ndmpd_session_t *);
 944 extern int ndmp_create_socket(ulong_t *, ushort_t *);
 945 extern int ndmp_connect_sock_v3(ulong_t, ushort_t);
 946 extern void ndmp_copy_addr_v3(ndmp_addr_v3 *, ndmp_addr_v3 *);
 947 extern void ndmp_copy_addr_v4(ndmp_addr_v4 *, ndmp_addr_v4 *);
 948 extern char *ndmp_addr2str_v3(ndmp_addr_type);
 949 extern boolean_t ndmp_valid_v3addr_type(ndmp_addr_type);
 950 extern boolean_t ndmp_check_utf8magic(tlm_cmd_t *);
 951 extern int ndmp_get_cur_bk_time(ndmp_lbr_params_t *,
 952     time_t *, char *);
 953 extern char *ndmp_get_relative_path(char *, char *);
 954
 955 extern boolean_t ndmp_fhinode;
 956 extern void ndmp_load_params(void);
 957 extern void randomize(unsigned char *, int);
 958
 959
 960 /*
 961  * Utility functions from ndmpd_tar3.c.
 962  */
 963 extern ndmp_error ndmp_restore_get_params_v3(ndmpd_session_t *,
 964     ndmpd_module_params_t *);
 965 extern ndmp_error ndmp_backup_get_params_v3(ndmpd_session_t *,
 966     ndmpd_module_params_t *);
 967
 968 /*
 969  * door init and fini function from ndmpd_door_serv.c
 970  */
 971 extern int ndmp_door_init(void);
 972 extern void ndmp_door_fini(void);
 973 extern boolean_t ndmp_door_check(void);
 974
 975 extern int ndmp_get_max_tok_seq(void);
 976
 977 extern int get_zfsvolname(char *, int, char *);
 978 extern int ndmp_create_snapshot(char *, char *);
 979 extern int ndmp_remove_snapshot(char *, char *);
 980 extern int ndmpd_mark_inodes_v2(ndmpd_session_t *, ndmp_lbr_params_t *);
 981 extern void ndmpd_abort_marking_v2(ndmpd_session_t *);
 982 extern int ndmpd_mark_inodes_v3(ndmpd_session_t *, ndmp_lbr_params_t *);
 983 extern ndmp_lbr_params_t *ndmp_get_nlp(void *);
 984
 985 module_start_func_t ndmpd_tar_backup_starter;
 986 module_abort_func_t ndmpd_tar_backup_abort;
 987
 988 module_start_func_t ndmpd_tar_restore_starter;
 989 module_abort_func_t ndmpd_tar_restore_abort;
 990
 991 module_start_func_t ndmpd_tar_backup_starter_v3;
 992 module_abort_func_t ndmpd_tar_backup_abort_v3;
 993
 994 module_start_func_t ndmpd_tar_restore_starter_v3;
 995 module_abort_func_t ndmpd_tar_restore_abort_v3;
 996
 997 extern int ndmp_backup_extract_params(ndmpd_session_t *,
 998     ndmpd_module_params_t *);
 999 extern int ndmp_restore_extract_params(ndmpd_session_t *,
1000     ndmpd_module_params_t *);
1001 extern int ndmp_tar_reader(ndmp_tar_reader_arg_t *);
1002
1003 extern int tape_open(char *, int);
1004 extern int tape_is_at_bot(ndmpd_session_t *);
1005 extern int tape_is_at_bof(ndmpd_session_t *);
1006 extern void fm_dance(ndmpd_session_t *);
1007
1008 extern void ndmp_session_ref(ndmpd_session_t *);
1009 extern void ndmp_session_unref(ndmpd_session_t *);
1010
1011 void ndmpd_get_file_entry_type(int, ndmp_file_type *);
1012
1013 extern int tcp_accept(int, unsigned int *);
1014 extern int tcp_get_peer(int, unsigned int *, int *);
1015
1016 extern char *gethostaddr(void);
1017 extern char *get_default_nic_addr(void);
1018 extern int tlm_init(void);
1019
1020 extern int snapshot_create(char *, char *, boolean_t, boolean_t);
1021 extern int snapshot_destroy(char *, char *, boolean_t, boolean_t, int *);
1022
1023 extern boolean_t fs_is_chkpntvol(char *);
1024 extern boolean_t fs_is_chkpnt_enabled(char *);
1025 extern boolean_t fs_is_rdonly(char *);
1026 extern boolean_t fs_volexist(char *);
1027 extern boolean_t fs_is_valid_logvol(char *);
1028 extern boolean_t rootfs_dot_or_dotdot(char *);
1029 extern int dp_readdir(DIR *, unsigned long *, char *,
1030     int *, unsigned long *);
1031
1032 extern void scsi_find_sid_lun();
1033 extern char *sasd_slink_name();
1034 extern int scsi_dev_exists(char *, int, int);
1035 extern int scsi_get_devtype(char *, int, int);
1036 extern struct open_list *ndmp_open_list_find(char *, int, int);
1037 extern int filecopy(char *, char *);
1038
1039 extern void ndmp_stop_local_reader();
1040 extern void ndmp_stop_remote_reader();
1041
1042 extern boolean_t match(char *, char *);
1043 extern char *trim_whitespace(char *);
1044 extern int fs_getstat(char *, struct fs_fhandle *, struct stat64 *);
1045 extern int fs_readdir(struct fs_fhandle *, char *, long *,
1046     char *, int *, struct fs_fhandle *, struct stat64 *);
1047 extern int iscreated(ndmp_lbr_params_t *nlp, char *name, tlm_acls_t *tacl,
1048     time_t t);
1049
1050 extern int sasd_dev_count(void);
1051 extern struct scsi_link *sasd_dev_slink(int);
1052 extern struct sasd_drive *sasd_drive(int);
1053 extern void *ndmp_malloc(size_t size);
1054
1055 extern ndmp_plugin_t *ndmp_pl;
1056
1057 #define NDMP_APILOG(s, t, m, ...) \
1058 { \
1059         if (((ndmpd_session_t *)(s))->ns_protocol_version == NDMPV4) \
1060                 (void) ndmpd_api_log_v4(s, t, m, __VA_ARGS__); \
1061         else if (((ndmpd_session_t *)(s))->ns_protocol_version == NDMPV3) \
1062                 (void) ndmpd_api_log_v3(s, t, m, __VA_ARGS__); \
1063         else \
1064                 (void) ndmpd_api_log_v2(s, __VA_ARGS__); \
1065 }
1066
1067 /*
1068  * Backup path utility functions
1069  */
1070 extern char *get_backup_path_v3(ndmpd_module_params_t *);
1071 extern char *get_backup_path_v2(ndmpd_module_params_t *);
1072
1073 /*
1074  * Functions for zfs-based backup
1075  */
1076
1077 module_start_func_t ndmpd_zfs_backup_starter;
1078 module_start_func_t ndmpd_zfs_restore_starter;
1079 module_abort_func_t ndmpd_zfs_abort;
1080
1081 int ndmpd_zfs_init(ndmpd_session_t *);
1082 void ndmpd_zfs_fini(ndmpd_zfs_args_t *);
1083
1084 boolean_t ndmpd_zfs_backup_parms_valid(ndmpd_zfs_args_t *);
1085 boolean_t ndmpd_zfs_restore_parms_valid(ndmpd_zfs_args_t *);
1086
1087 int ndmpd_zfs_pre_backup(ndmpd_zfs_args_t *);
1088 int ndmpd_zfs_pre_restore(ndmpd_zfs_args_t *);
1089 int ndmpd_zfs_post_backup(ndmpd_zfs_args_t *);
1090 int ndmpd_zfs_post_restore(ndmpd_zfs_args_t *);
1091
1092 void ndmpd_zfs_dma_log(ndmpd_zfs_args_t *, ndmp_log_type, char *, ...);
1093
1094 #endif /* _NDMPD_H */