source3/modules/vfs_smb_traffic_analyzer.c

   1 /*
   2  * traffic-analyzer VFS module. Measure the smb traffic users create
   3  * on the net.
   4  *
   5  * Copyright (C) Holger Hetterich, 2008
   6  * Copyright (C) Jeremy Allison, 2008
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 3 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  20  */
  21
  22 #include "includes.h"
  23 #include "../lib/crypto/crypto.h"
  24 #include "vfs_smb_traffic_analyzer.h"
  25
  26 /* abstraction for the send_over_network function */
  27 enum sock_type {INTERNET_SOCKET = 0, UNIX_DOMAIN_SOCKET};
  28
  29 #define LOCAL_PATHNAME "/var/tmp/stadsocket"
  30
  31 static int vfs_smb_traffic_analyzer_debug_level = DBGC_VFS;
  32
  33 static enum sock_type smb_traffic_analyzer_connMode(vfs_handle_struct *handle)
  34 {
  35         connection_struct *conn = handle->conn;
  36         const char *Mode;
  37         Mode=lp_parm_const_string(SNUM(conn), "smb_traffic_analyzer","mode", \
  38                         "internet_socket");
  39         if (strstr(Mode,"unix_domain_socket")) {
  40                 return UNIX_DOMAIN_SOCKET;
  41         } else {
  42                 return INTERNET_SOCKET;
  43         }
  44 }
  45
  46
  47 /* Connect to an internet socket */
  48 static int smb_traffic_analyzer_connect_inet_socket(vfs_handle_struct *handle,
  49                                         const char *name, uint16_t port)
  50 {
  51         /* Create a streaming Socket */
  52         int sockfd = -1;
  53         struct addrinfo hints;
  54         struct addrinfo *ailist = NULL;
  55         struct addrinfo *res = NULL;
  56         int ret;
  57
  58         ZERO_STRUCT(hints);
  59         /* By default make sure it supports TCP. */
  60         hints.ai_socktype = SOCK_STREAM;
  61         hints.ai_flags = AI_ADDRCONFIG;
  62
  63         ret = getaddrinfo(name,
  64                         NULL,
  65                         &hints,
  66                         &ailist);
  67
  68         if (ret) {
  69                 DEBUG(3,("smb_traffic_analyzer_connect_inet_socket: "
  70                         "getaddrinfo failed for name %s [%s]\n",
  71                         name,
  72                         gai_strerror(ret) ));
  73                 return -1;
  74         }
  75
  76         DEBUG(3,("smb_traffic_analyzer: Internet socket mode. Hostname: %s,"
  77                 "Port: %i\n", name, port));
  78
  79         for (res = ailist; res; res = res->ai_next) {
  80                 struct sockaddr_storage ss;
  81                 NTSTATUS status;
  82
  83                 if (!res->ai_addr || res->ai_addrlen == 0) {
  84                         continue;
  85                 }
  86
  87                 ZERO_STRUCT(ss);
  88                 memcpy(&ss, res->ai_addr, res->ai_addrlen);
  89
  90                 status = open_socket_out(&ss, port, 10000, &sockfd);
  91                 if (NT_STATUS_IS_OK(status)) {
  92                         break;
  93                 }
  94         }
  95
  96         if (ailist) {
  97                 freeaddrinfo(ailist);
  98         }
  99
 100         if (sockfd == -1) {
 101                 DEBUG(1, ("smb_traffic_analyzer: unable to create "
 102                         "socket, error is %s",
 103                         strerror(errno)));
 104                 return -1;
 105         }
 106
 107         return sockfd;
 108 }
 109
 110 /* Connect to a unix domain socket */
 111 static int smb_traffic_analyzer_connect_unix_socket(vfs_handle_struct *handle,
 112                                                 const char *name)
 113 {
 114         /* Create the socket to stad */
 115         int len, sock;
 116         struct sockaddr_un remote;
 117
 118         DEBUG(7, ("smb_traffic_analyzer_connect_unix_socket: "
 119                         "Unix domain socket mode. Using %s\n",
 120                         name ));
 121
 122         if ((sock = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
 123                 DEBUG(1, ("smb_traffic_analyzer_connect_unix_socket: "
 124                         "Couldn't create socket, "
 125                         "make sure stad is running!\n"));
 126                 return -1;
 127         }
 128         remote.sun_family = AF_UNIX;
 129         strlcpy(remote.sun_path, name,
 130                     sizeof(remote.sun_path));
 131         len=strlen(remote.sun_path) + sizeof(remote.sun_family);
 132         if (connect(sock, (struct sockaddr *)&remote, len) == -1 ) {
 133                 DEBUG(1, ("smb_traffic_analyzer_connect_unix_socket: "
 134                         "Could not connect to "
 135                         "socket, make sure\nstad is running!\n"));
 136                 close(sock);
 137                 return -1;
 138         }
 139         return sock;
 140 }
 141
 142 /* Private data allowing shared connection sockets. */
 143 struct refcounted_sock {
 144         struct refcounted_sock *next, *prev;
 145         char *name;
 146         uint16_t port;
 147         int sock;
 148         unsigned int ref_count;
 149 };
 150
 151
 152 /* The marshaller for the protocol version 2. */
 153 static char *smb_traffic_analyzer_create_string( struct tm *tm, \
 154         int seconds, vfs_handle_struct *handle, \
 155         char *username, int vfs_operation, int count, ... )
 156 {
 157
 158         va_list ap;
 159         char *arg = NULL;
 160         int len;
 161         char *header = NULL;
 162         char *buf = NULL;
 163         char *timestr = NULL;
 164         char *opstr = NULL;
 165         char *sidstr = NULL;
 166         char *userstr = NULL;
 167         char *usersid = NULL;
 168         const char *total_anonymization = NULL;
 169         const char *anon_prefix = NULL;
 170         /*
 171          * first create the data that is transfered with any VFS op
 172          * These are, in the following order:
 173          * number of data to come [6 in v2.0]
 174          * 1.vfs_operation identifier
 175          * 2.username
 176          * 3.user-SID
 177          * 4.affected file + full path
 178          * 5.domain
 179          * 6.timestamp
 180          */
 181
 182         opstr = talloc_asprintf(talloc_tos(), "%i", vfs_operation);
 183         len = strlen(opstr);
 184         buf = talloc_asprintf(talloc_tos(), "%04u%s", len, opstr);
 185
 186         /*
 187          * Handle anonymization. In protocol v2, we have to anonymize
 188          * both the SID and the username.
 189          */
 190         total_anonymization=lp_parm_const_string(SNUM(handle->conn),
 191                                         "smb_traffic_analyzer",
 192                                         "total_anonymization", NULL);
 193
 194         anon_prefix=lp_parm_const_string(SNUM(handle->conn),
 195                                         "smb_traffic_analyzer",
 196                                         "anonymize_prefix", NULL );
 197         usersid = dom_sid_string(talloc_tos(),
 198                 &handle->conn->server_info->ptok->user_sids[0]);
 199         if (anon_prefix != NULL) {
 200                 if (total_anonymization != NULL) {
 201                         userstr = talloc_asprintf(talloc_tos(), "%s",
 202                                                         anon_prefix);
 203                         sidstr = talloc_asprintf(talloc_tos(), "%s",
 204                                                         anon_prefix);
 205                 } else {
 206                         userstr = talloc_asprintf(talloc_tos(), "%s%i",
 207                                 anon_prefix,
 208                                 str_checksum(username));
 209                         sidstr = talloc_asprintf(talloc_tos(), "%s%i",
 210                                 anon_prefix,
 211                                 str_checksum(usersid));
 212                 }
 213         } else {
 214                 userstr = username;
 215                 sidstr = usersid;
 216         }
 217
 218         len = strlen( userstr );
 219         buf = talloc_asprintf_append(buf, "%04u%s", len, userstr);
 220         len = strlen( sidstr );
 221         buf = talloc_asprintf_append(buf, "%04u%s", len, sidstr);
 222         len = strlen( handle->conn->connectpath );
 223         buf = talloc_asprintf_append( buf, "%04u%s", len, \
 224                 handle->conn->connectpath );
 225         len = strlen( pdb_get_domain(handle->conn->server_info->sam_account) );
 226         buf = talloc_asprintf_append( buf, "%04u%s", len, \
 227                 pdb_get_domain(handle->conn->server_info->sam_account) );
 228         timestr = talloc_asprintf(talloc_tos(), \
 229                 "%04d-%02d-%02d %02d:%02d:%02d.%03d", \
 230                 tm->tm_year+1900, \
 231                 tm->tm_mon+1, \
 232                 tm->tm_mday, \
 233                 tm->tm_hour, \
 234                 tm->tm_min, \
 235                 tm->tm_sec, \
 236                 (int)seconds);
 237         len = strlen( timestr );
 238         buf = talloc_asprintf_append( buf, "%04u%s", len, timestr);
 239
 240         va_start( ap, count );
 241         while ( count-- ) {
 242                 arg = va_arg( ap, char * );
 243                 /*
 244                  *  protocol v2 sends a four byte string
 245                  * as a header to each block, including
 246                  * the numbers of bytes to come in the
 247                  * next string.
 248                  */
 249                 len = strlen( arg );
 250                 buf = talloc_asprintf_append( buf, "%04u%s", len, arg);
 251         }
 252         va_end( ap );
 253         return buf;
 254 }
 255
 256 static void smb_traffic_analyzer_send_data(vfs_handle_struct *handle,
 257                                         void *data,
 258                                         enum vfs_id vfs_operation )
 259 {
 260         struct refcounted_sock *rf_sock = NULL;
 261         struct timeval tv;
 262         time_t tv_sec;
 263         struct tm *tm = NULL;
 264         int seconds;
 265         char *str = NULL;
 266         char *username = NULL;
 267         char *header = NULL;
 268         const char *anon_prefix = NULL;
 269         const char *total_anonymization = NULL;
 270         const char *protocol_version = NULL;
 271         bool Write = false;
 272         size_t len;
 273         char state_flags[9] = "000000\0";
 274
 275         SMB_VFS_HANDLE_GET_DATA(handle, rf_sock, struct refcounted_sock, return);
 276
 277         if (rf_sock == NULL || rf_sock->sock == -1) {
 278                 DEBUG(1, ("smb_traffic_analyzer_send_data: socket is "
 279                         "closed\n"));
 280                 return;
 281         }
 282
 283         GetTimeOfDay(&tv);
 284         tv_sec = convert_timespec_to_time_t(convert_timeval_to_timespec(tv));
 285         tm = localtime(&tv_sec);
 286         if (!tm) {
 287                 return;
 288         }
 289         seconds=(float) (tv.tv_usec / 1000);
 290
 291         /*
 292          * Check if anonymization is required, and if yes do this only if
 293          * we run on protocol version 1. Anonynization for protocol v2 is
 294          * handled in it's marshaller function.
 295          */
 296         total_anonymization=lp_parm_const_string(SNUM(handle->conn),"smb_traffic_analyzer",
 297                                         "total_anonymization", NULL);
 298
 299         anon_prefix=lp_parm_const_string(SNUM(handle->conn),"smb_traffic_analyzer",\
 300                                         "anonymize_prefix", NULL );
 301
 302         protocol_version = lp_parm_const_string(SNUM(handle->conn),
 303                                         "smb_traffic_analyzer",
 304                                         "protocol_version", NULL );
 305
 306         if (anon_prefix!=NULL && strcmp(protocol_version,"V2") != 0) {
 307                 if (total_anonymization!=NULL) {
 308                         username = talloc_asprintf(talloc_tos(),
 309                                 "%s",
 310                                 anon_prefix);
 311                 } else {
 312                         username = talloc_asprintf(talloc_tos(),
 313                                 "%s%i",
 314                                 anon_prefix,
 315                                 str_checksum(
 316                                         handle->conn->server_info->sanitized_username ) );
 317                 }
 318
 319         } else {
 320                 username = handle->conn->server_info->sanitized_username;
 321         }
 322
 323         if (!username) {
 324                 return;
 325         }
 326
 327         if ( protocol_version == NULL || strcmp( protocol_version,"V1") == 0) {
 328
 329                 struct rw_data *s_data = (struct rw_data *) data;
 330
 331                 /*
 332                  * in case of protocol v1, ignore any vfs operations
 333                  * except read,pread,write,pwrite, and set the "Write"
 334                  * bool accordingly, send data and return.
 335                  */
 336                 if ( vfs_operation > vfs_id_pwrite ) return;
 337
 338                 if ( vfs_operation <= vfs_id_pread ) Write=false;
 339                         else Write=true;
 340
 341                 str = talloc_asprintf(talloc_tos(),
 342                         "V1,%u,\"%s\",\"%s\",\"%c\",\"%s\",\"%s\","
 343                         "\"%04d-%02d-%02d %02d:%02d:%02d.%03d\"\n",
 344                         (unsigned int) s_data->len,
 345                         username,
 346                         pdb_get_domain(handle->conn->server_info->sam_account),
 347                         Write ? 'W' : 'R',
 348                         handle->conn->connectpath,
 349                         s_data->filename,
 350                         tm->tm_year+1900,
 351                         tm->tm_mon+1,
 352                         tm->tm_mday,
 353                         tm->tm_hour,
 354                         tm->tm_min,
 355                         tm->tm_sec,
 356                         (int)seconds);
 357                 if (write_data(rf_sock->sock, str, len) != len) {
 358                         DEBUG(1, ("smb_traffic_analyzer_send_data_socket: "
 359                         "error sending V1 protocol data to socket!\n"));
 360                 return;
 361                 }
 362
 363         } else if ( strcmp( protocol_version, "V2") == 0) {
 364
 365                 switch( vfs_operation ) {
 366                 case vfs_id_mkdir: ;
 367                         str = smb_traffic_analyzer_create_string( tm, \
 368                                 seconds, handle, username, vfs_id_mkdir, 3,\
 369                                 ((struct mkdir_data *) data)->path, \
 370                                 talloc_asprintf( talloc_tos(), "%u", \
 371                                 ((struct mkdir_data *) data)->mode), \
 372                                 talloc_asprintf( talloc_tos(), "%u", \
 373                                 ((struct mkdir_data *) data)->result ));
 374                         break;
 375                 case vfs_id_rmdir: ;
 376                         str = smb_traffic_analyzer_create_string( tm, \
 377                                 seconds, handle, username, vfs_id_rmdir, 2,\
 378                                 ((struct rmdir_data *) data)->path, \
 379                                 talloc_asprintf( talloc_tos(), "%u", \
 380                                 ((struct rmdir_data *) data)->result ));
 381                         break;
 382                 case vfs_id_rename: ;
 383                         str = smb_traffic_analyzer_create_string( tm, \
 384                                 seconds, handle, username, vfs_id_rename, 3,\
 385                                 ((struct rename_data *) data)->src, \
 386                                 ((struct rename_data *) data)->dst,
 387                                 talloc_asprintf(talloc_tos(), "%u", \
 388                                 ((struct rename_data *) data)->result));
 389                         break;
 390                 case vfs_id_chdir: ;
 391                         str = smb_traffic_analyzer_create_string( tm, \
 392                                 seconds, handle, username, vfs_id_chdir, 2,\
 393                                 ((struct chdir_data *) data)->path, \
 394                                 talloc_asprintf(talloc_tos(), "%u", \
 395                                 ((struct chdir_data *) data)->result));
 396                         break;
 397
 398                 case vfs_id_write:
 399                 case vfs_id_pwrite:
 400                 case vfs_id_read:
 401                 case vfs_id_pread: ;
 402                         str = smb_traffic_analyzer_create_string( tm, \
 403                                 seconds, handle, username, vfs_operation, 2,\
 404                                 ((struct rw_data *) data)->filename, \
 405                                 talloc_asprintf(talloc_tos(), "%u", \
 406                                 ((struct rw_data *) data)->len));
 407                         break;
 408                 default:
 409                         DEBUG(1, ("smb_traffic_analyzer: error! "
 410                                 "wrong VFS operation id detected!\n"));
 411                         return;
 412                 }
 413
 414         } else {
 415                 DEBUG(1, ("smb_traffic_analyzer_send_data_socket: "
 416                         "error, unkown protocol given!\n"));
 417                 return;
 418         }
 419
 420         if (!str) {
 421                 DEBUG(1, ("smb_traffic_analyzer_send_data: "
 422                         "unable to create string to send!\n"));
 423                 return;
 424         }
 425
 426
 427         /*
 428          * If configured, optain the key and run AES encryption
 429          * over the data.
 430          */
 431         size_t size;
 432         become_root();
 433         char *akey = (char *) secrets_fetch("smb_traffic_analyzer_key", &size);
 434         unbecome_root();
 435         if ( akey != NULL ) {
 436                 char crypted[18], *filler, *output;
 437                 int h,d,s1,s2;
 438                 state_flags[2] = 'E';
 439                 DEBUG(10, ("smb_traffic_analyzer_send_data_socket: a key was"
 440                         " found, encrypting data!\n"));
 441                 AES_KEY key;
 442                 samba_AES_set_encrypt_key(akey, 128, &key);
 443                 free(akey);
 444                 s1 = strlen(str) / 16;
 445                 s2 = strlen(str) % 16;
 446                 DEBUG(10, ("smb_traffic_analyzer_send_data_socket: found %i"
 447                         " blocks, %i missing bytes.\n",
 448                         s1,s2));
 449                 filler = talloc_asprintf( talloc_tos(), "................" );
 450                 for (h = 0; h < s2; h++) {
 451                         *(filler+h)=*(str+(s1*16)+h);
 452                 }
 453                 DEBUG(10, ("smb_traffic_analyzer_send_data_socket: created %s"
 454                         " as filling block.\n", filler));
 455                 output = talloc_array(talloc_tos(), char, (s1*16)+17 );
 456                 d=0;
 457                 for (h = 0; h < s1; h++) {
 458                         samba_AES_encrypt(str+(16*h), crypted, &key);
 459                         for (d = 0; d<16; d++) output[d+(16*h)]=crypted[d];
 460                 }
 461                 samba_AES_encrypt( str+(16*h), filler, &key );
 462                 for (d = 0;d < 16; d++) output[d+(16*h)]=*(filler+d);
 463                 len = (s1*16)+16;
 464                 header = talloc_asprintf( talloc_tos(), "V2.%s%017u",
 465                                                 state_flags, len);
 466
 467                 DEBUG(10, ("smb_traffic_analyzer_send_data_socket:"
 468                         " header created for crypted data: %s\n", header));
 469                 len = strlen(header);
 470                 if (write_data(rf_sock->sock, header, len) != len) {
 471                         DEBUG(1, ("smb_traffic_analyzer_send_data_socket: "
 472                                                 "error sending the header"
 473                                                  " over the socket!\n"));
 474                 }
 475                 len = (s1*16)+16;
 476                 if (write_data(rf_sock->sock, output, len) != len) {
 477                         DEBUG(1, ("smb_traffic_analyzer_send_data_socket: "
 478                                 "error sending crypted data to socket!\n"));
 479                 }
 480         return;
 481         }
 482
 483         len = strlen(str);
 484         header = talloc_asprintf(talloc_tos(), "V2.%s%017u", state_flags, len);
 485         DEBUG(10, ("smb_traffic_analyzer_send_data_socket: header created:"
 486                                                         "%s\n", header));
 487         len = strlen(header);
 488         if (write_data(rf_sock->sock, header, len) != len) {
 489                 DEBUG(1, ("smb_traffic_analyzer_send_data_socket: error "
 490                         "sending the header over the socket!\n"));
 491         }
 492         len = strlen(str);
 493         DEBUG(10, ("smb_traffic_analyzer_send_data_socket: going to send "
 494                         "data block: %s\n",str));
 495         if (write_data(rf_sock->sock, str, len) != len) {
 496                 DEBUG(1, ("smb_traffic_analyzer_send_data_socket: "
 497                         "error sending data to socket!\n"));
 498                 return ;
 499         }
 500 }
 501
 502 static struct refcounted_sock *sock_list;
 503
 504 static void smb_traffic_analyzer_free_data(void **pptr)
 505 {
 506         struct refcounted_sock *rf_sock = *(struct refcounted_sock **)pptr;
 507         if (rf_sock == NULL) {
 508                 return;
 509         }
 510         rf_sock->ref_count--;
 511         if (rf_sock->ref_count != 0) {
 512                 return;
 513         }
 514         if (rf_sock->sock != -1) {
 515                 close(rf_sock->sock);
 516         }
 517         DLIST_REMOVE(sock_list, rf_sock);
 518         TALLOC_FREE(rf_sock);
 519 }
 520
 521 static int smb_traffic_analyzer_connect(struct vfs_handle_struct *handle,
 522                          const char *service,
 523                          const char *user)
 524 {
 525         connection_struct *conn = handle->conn;
 526         enum sock_type st = smb_traffic_analyzer_connMode(handle);
 527         struct refcounted_sock *rf_sock = NULL;
 528         const char *name = (st == UNIX_DOMAIN_SOCKET) ? LOCAL_PATHNAME :
 529                                 lp_parm_const_string(SNUM(conn),
 530                                         "smb_traffic_analyzer",
 531                                 "host", "localhost");
 532         uint16_t port = (st == UNIX_DOMAIN_SOCKET) ? 0 :
 533                                 atoi( lp_parm_const_string(SNUM(conn),
 534                                 "smb_traffic_analyzer", "port", "9430"));
 535         int ret = SMB_VFS_NEXT_CONNECT(handle, service, user);
 536
 537         if (ret < 0) {
 538                 return ret;
 539         }
 540
 541         /* Are we already connected ? */
 542         for (rf_sock = sock_list; rf_sock; rf_sock = rf_sock->next) {
 543                 if (port == rf_sock->port &&
 544                                 (strcmp(name, rf_sock->name) == 0)) {
 545                         break;
 546                 }
 547         }
 548
 549         /* If we're connected already, just increase the
 550          * reference count. */
 551         if (rf_sock) {
 552                 rf_sock->ref_count++;
 553         } else {
 554                 /* New connection. */
 555                 rf_sock = TALLOC_ZERO_P(NULL, struct refcounted_sock);
 556                 if (rf_sock == NULL) {
 557                         SMB_VFS_NEXT_DISCONNECT(handle);
 558                         errno = ENOMEM;
 559                         return -1;
 560                 }
 561                 rf_sock->name = talloc_strdup(rf_sock, name);
 562                 if (rf_sock->name == NULL) {
 563                         SMB_VFS_NEXT_DISCONNECT(handle);
 564                         TALLOC_FREE(rf_sock);
 565                         errno = ENOMEM;
 566                         return -1;
 567                 }
 568                 rf_sock->port = port;
 569                 rf_sock->ref_count = 1;
 570
 571                 if (st == UNIX_DOMAIN_SOCKET) {
 572                         rf_sock->sock = smb_traffic_analyzer_connect_unix_socket(handle,
 573                                                         name);
 574                 } else {
 575
 576                         rf_sock->sock = smb_traffic_analyzer_connect_inet_socket(handle,
 577                                                         name,
 578                                                         port);
 579                 }
 580                 if (rf_sock->sock == -1) {
 581                         SMB_VFS_NEXT_DISCONNECT(handle);
 582                         TALLOC_FREE(rf_sock);
 583                         return -1;
 584                 }
 585                 DLIST_ADD(sock_list, rf_sock);
 586         }
 587
 588         /* Store the private data. */
 589         SMB_VFS_HANDLE_SET_DATA(handle, rf_sock, smb_traffic_analyzer_free_data,
 590                                 struct refcounted_sock, return -1);
 591         return 0;
 592 }
 593
 594 /* VFS Functions */
 595 static int smb_traffic_analyzer_chdir(vfs_handle_struct *handle, \
 596                         const char *path)
 597 {
 598         struct chdir_data s_data;
 599         s_data.result = SMB_VFS_NEXT_CHDIR(handle, path);
 600         s_data.path = path;
 601         DEBUG(10, ("smb_traffic_analyzer_chdir: CHDIR: %s\n", path));
 602         smb_traffic_analyzer_send_data(handle, &s_data, vfs_id_chdir);
 603         return s_data.result;
 604 }
 605
 606 static int smb_traffic_analyzer_rename(vfs_handle_struct *handle, \
 607                 const struct smb_filename *smb_fname_src,
 608                 const struct smb_filename *smb_fname_dst)
 609 {
 610         struct rename_data s_data;
 611         s_data.result = SMB_VFS_NEXT_RENAME(handle, smb_fname_src, \
 612                 smb_fname_dst);
 613         s_data.src = smb_fname_src->base_name;
 614         s_data.dst = smb_fname_dst->base_name;
 615         DEBUG(10, ("smb_traffic_analyzer_rename: RENAME: %s / %s\n",
 616                 smb_fname_src->base_name,
 617                 smb_fname_dst->base_name));
 618         smb_traffic_analyzer_send_data(handle, &s_data, vfs_id_rename);
 619         return s_data.result;
 620 }
 621
 622 static int smb_traffic_analyzer_rmdir(vfs_handle_struct *handle, \
 623                         const char *path)
 624 {
 625         struct rmdir_data s_data;
 626         s_data.result = SMB_VFS_NEXT_RMDIR(handle, path);
 627         s_data.path = path;
 628         DEBUG(10, ("smb_traffic_analyzer_rmdir: RMDIR: %s\n", path));
 629         smb_traffic_analyzer_send_data(handle, &s_data, vfs_id_rmdir);
 630         return s_data.result;
 631 }
 632
 633 static int smb_traffic_analyzer_mkdir(vfs_handle_struct *handle, \
 634                         const char *path, mode_t mode)
 635 {
 636         struct mkdir_data s_data;
 637         s_data.result = SMB_VFS_NEXT_MKDIR(handle, path, mode);
 638         s_data.path = path;
 639         s_data.mode = mode;
 640         DEBUG(10, ("smb_traffic_analyzer_mkdir: MKDIR: %s\n", path));
 641         smb_traffic_analyzer_send_data(handle,
 642                         &s_data,
 643                         vfs_id_mkdir);
 644         return s_data.result;
 645 }
 646
 647 static ssize_t smb_traffic_analyzer_read(vfs_handle_struct *handle, \
 648                                 files_struct *fsp, void *data, size_t n)
 649 {
 650         struct rw_data s_data;
 651
 652         s_data.len = SMB_VFS_NEXT_READ(handle, fsp, data, n);
 653         s_data.filename = fsp->fsp_name->base_name;
 654         DEBUG(10, ("smb_traffic_analyzer_read: READ: %s\n", fsp_str_dbg(fsp)));
 655
 656         smb_traffic_analyzer_send_data(handle,
 657                         &s_data,
 658                         vfs_id_read);
 659         return s_data.len;
 660 }
 661
 662
 663 static ssize_t smb_traffic_analyzer_pread(vfs_handle_struct *handle, \
 664                 files_struct *fsp, void *data, size_t n, SMB_OFF_T offset)
 665 {
 666         struct rw_data s_data;
 667
 668         s_data.len = SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
 669         s_data.filename = fsp->fsp_name->base_name;
 670         DEBUG(10, ("smb_traffic_analyzer_pread: PREAD: %s\n",
 671                    fsp_str_dbg(fsp)));
 672
 673         smb_traffic_analyzer_send_data(handle,
 674                         &s_data,
 675                         vfs_id_pread);
 676
 677         return s_data.len;
 678 }
 679
 680 static ssize_t smb_traffic_analyzer_write(vfs_handle_struct *handle, \
 681                         files_struct *fsp, const void *data, size_t n)
 682 {
 683         struct rw_data s_data;
 684
 685         s_data.len = SMB_VFS_NEXT_WRITE(handle, fsp, data, n);
 686         s_data.filename = fsp->fsp_name->base_name;
 687         DEBUG(10, ("smb_traffic_analyzer_write: WRITE: %s\n",
 688                    fsp_str_dbg(fsp)));
 689
 690         smb_traffic_analyzer_send_data(handle,
 691                         &s_data,
 692                         vfs_id_write);
 693         return s_data.len;
 694 }
 695
 696 static ssize_t smb_traffic_analyzer_pwrite(vfs_handle_struct *handle, \
 697              files_struct *fsp, const void *data, size_t n, SMB_OFF_T offset)
 698 {
 699         struct rw_data s_data;
 700
 701         s_data.len = SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
 702         s_data.filename = fsp->fsp_name->base_name;
 703         DEBUG(10, ("smb_traffic_analyzer_pwrite: PWRITE: %s\n", \
 704                 fsp_str_dbg(fsp)));
 705
 706         smb_traffic_analyzer_send_data(handle,
 707                         &s_data,
 708                         vfs_id_pwrite);
 709         return s_data.len;
 710 }
 711
 712 static struct vfs_fn_pointers vfs_smb_traffic_analyzer_fns = {
 713         .connect_fn = smb_traffic_analyzer_connect,
 714         .vfs_read = smb_traffic_analyzer_read,
 715         .pread = smb_traffic_analyzer_pread,
 716         .write = smb_traffic_analyzer_write,
 717         .pwrite = smb_traffic_analyzer_pwrite,
 718         .mkdir = smb_traffic_analyzer_mkdir,
 719         .rename = smb_traffic_analyzer_rename,
 720         .chdir = smb_traffic_analyzer_chdir
 721 };
 722
 723 /* Module initialization */
 724 NTSTATUS vfs_smb_traffic_analyzer_init(void)
 725 {
 726         NTSTATUS ret = smb_register_vfs(SMB_VFS_INTERFACE_VERSION,
 727                                         "smb_traffic_analyzer",
 728                                         &vfs_smb_traffic_analyzer_fns);
 729
 730         if (!NT_STATUS_IS_OK(ret)) {
 731                 return ret;
 732         }
 733
 734         vfs_smb_traffic_analyzer_debug_level =
 735                 debug_add_class("smb_traffic_analyzer");
 736
 737         if (vfs_smb_traffic_analyzer_debug_level == -1) {
 738                 vfs_smb_traffic_analyzer_debug_level = DBGC_VFS;
 739                 DEBUG(1, ("smb_traffic_analyzer_init: Couldn't register custom"
 740                          "debugging class!\n"));
 741         } else {
 742                 DEBUG(3, ("smb_traffic_analyzer_init: Debug class number of"
 743                         "'smb_traffic_analyzer': %d\n", \
 744                         vfs_smb_traffic_analyzer_debug_level));
 745         }
 746
 747         return ret;
 748 }