2 * traffic-analyzer VFS module. Measure the smb traffic users create
5 * Copyright (C) Holger Hetterich, 2008-2010
6 * Copyright (C) Jeremy Allison, 2008
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.
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.
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/>.
23 #include "smbd/smbd.h"
24 #include "../smbd/globals.h"
25 #include "../lib/crypto/crypto.h"
26 #include "vfs_smb_traffic_analyzer.h"
27 #include "../libcli/security/security.h"
29 #include "../librpc/gen_ndr/ndr_netlogon.h"
32 /* abstraction for the send_over_network function */
33 enum sock_type
{INTERNET_SOCKET
= 0, UNIX_DOMAIN_SOCKET
};
35 #define LOCAL_PATHNAME "/var/tmp/stadsocket"
37 static int vfs_smb_traffic_analyzer_debug_level
= DBGC_VFS
;
39 static enum sock_type
smb_traffic_analyzer_connMode(vfs_handle_struct
*handle
)
41 connection_struct
*conn
= handle
->conn
;
43 Mode
=lp_parm_const_string(SNUM(conn
), "smb_traffic_analyzer","mode", \
45 if (strstr(Mode
,"unix_domain_socket")) {
46 return UNIX_DOMAIN_SOCKET
;
48 return INTERNET_SOCKET
;
53 /* Connect to an internet socket */
54 static int smb_traffic_analyzer_connect_inet_socket(vfs_handle_struct
*handle
,
55 const char *name
, uint16_t port
)
57 /* Create a streaming Socket */
59 struct addrinfo hints
;
60 struct addrinfo
*ailist
= NULL
;
61 struct addrinfo
*res
= NULL
;
65 /* By default make sure it supports TCP. */
66 hints
.ai_socktype
= SOCK_STREAM
;
67 hints
.ai_flags
= AI_ADDRCONFIG
;
69 ret
= getaddrinfo(name
,
75 DEBUG(3,("smb_traffic_analyzer_connect_inet_socket: "
76 "getaddrinfo failed for name %s [%s]\n",
82 DEBUG(3,("smb_traffic_analyzer: Internet socket mode. Hostname: %s,"
83 "Port: %i\n", name
, port
));
85 for (res
= ailist
; res
; res
= res
->ai_next
) {
86 struct sockaddr_storage ss
;
89 if (!res
->ai_addr
|| res
->ai_addrlen
== 0) {
94 memcpy(&ss
, res
->ai_addr
, res
->ai_addrlen
);
96 status
= open_socket_out(&ss
, port
, 10000, &sockfd
);
97 if (NT_STATUS_IS_OK(status
)) {
103 freeaddrinfo(ailist
);
107 DEBUG(1, ("smb_traffic_analyzer: unable to create "
108 "socket, error is %s",
116 /* Connect to a unix domain socket */
117 static int smb_traffic_analyzer_connect_unix_socket(vfs_handle_struct
*handle
,
120 /* Create the socket to stad */
122 struct sockaddr_un remote
;
124 DEBUG(7, ("smb_traffic_analyzer_connect_unix_socket: "
125 "Unix domain socket mode. Using %s\n",
128 if ((sock
= socket(AF_UNIX
, SOCK_STREAM
, 0)) == -1) {
129 DEBUG(1, ("smb_traffic_analyzer_connect_unix_socket: "
130 "Couldn't create socket, "
131 "make sure stad is running!\n"));
134 remote
.sun_family
= AF_UNIX
;
135 strlcpy(remote
.sun_path
, name
,
136 sizeof(remote
.sun_path
));
137 len
=strlen(remote
.sun_path
) + sizeof(remote
.sun_family
);
138 if (connect(sock
, (struct sockaddr
*)&remote
, len
) == -1 ) {
139 DEBUG(1, ("smb_traffic_analyzer_connect_unix_socket: "
140 "Could not connect to "
141 "socket, make sure\nstad is running!\n"));
148 /* Private data allowing shared connection sockets. */
149 struct refcounted_sock
{
150 struct refcounted_sock
*next
, *prev
;
154 unsigned int ref_count
;
159 * Encryption of a data block with AES
160 * TALLOC_CTX *ctx Talloc context to work on
161 * const char *akey 128bit key for the encryption
162 * const char *str Data buffer to encrypt, \0 terminated
163 * int *len Will be set to the length of the
164 * resulting data block
165 * The caller has to take care for the memory
166 * allocated on the context.
168 static char *smb_traffic_analyzer_encrypt( TALLOC_CTX
*ctx
,
169 const char *akey
, const char *str
, size_t *len
)
173 unsigned char filler
[17]= "................";
175 if (akey
== NULL
) return NULL
;
176 samba_AES_set_encrypt_key((unsigned char *) akey
, 128, &key
);
177 s1
= strlen(str
) / 16;
178 s2
= strlen(str
) % 16;
179 memcpy(filler
, str
+ (s1
*16), s2
);
180 DEBUG(10, ("smb_traffic_analyzer_send_data_socket: created %s"
181 " as filling block.\n", filler
));
183 *len
= ((s1
+ 1)*16);
184 output
= talloc_array(ctx
, char, *len
);
185 for (h
= 0; h
< s1
; h
++) {
186 samba_AES_encrypt((unsigned char *) str
+(16*h
), output
+16*h
,
189 samba_AES_encrypt(filler
, (unsigned char *)(output
+(16*h
)), &key
);
195 * Create a v2 header.
196 * TALLLOC_CTX *ctx Talloc context to work on
197 * const char *state_flags State flag string
198 * int len length of the data block
200 static char *smb_traffic_analyzer_create_header( TALLOC_CTX
*ctx
,
201 const char *state_flags
, size_t data_len
)
203 char *header
= talloc_asprintf( ctx
, "V2.%s%017u",
204 state_flags
, (unsigned int) data_len
);
205 DEBUG(10, ("smb_traffic_analyzer_send_data_socket: created Header:\n"));
206 dump_data(10, (uint8_t *)header
, strlen(header
));
212 * Actually send header and data over the network
213 * char *header Header data
214 * char *data Data Block
215 * int dlength Length of data block
218 static void smb_traffic_analyzer_write_data( char *header
, char *data
,
219 int dlength
, int _socket
)
221 int len
= strlen(header
);
222 if (write_data( _socket
, header
, len
) != len
) {
223 DEBUG(1, ("smb_traffic_analyzer_send_data_socket: "
224 "error sending the header"
225 " over the socket!\n"));
227 DEBUG(10,("smb_traffic_analyzer_write_data: sending data:\n"));
228 dump_data( 10, (uint8_t *)data
, dlength
);
230 if (write_data( _socket
, data
, dlength
) != dlength
) {
231 DEBUG(1, ("smb_traffic_analyzer_write_data: "
232 "error sending crypted data to socket!\n"));
238 * Anonymize a string if required.
239 * TALLOC_CTX *ctx The talloc context to work on
240 * const char *str The string to anonymize
241 * vfs_handle_struct *handle The handle struct to work on
243 * Returns a newly allocated string, either the anonymized one,
244 * or a copy of const char *str. The caller has to take care for
245 * freeing the allocated memory.
247 static char *smb_traffic_analyzer_anonymize( TALLOC_CTX
*ctx
,
249 vfs_handle_struct
*handle
)
251 const char *total_anonymization
;
252 const char *anon_prefix
;
254 total_anonymization
=lp_parm_const_string(SNUM(handle
->conn
),
255 "smb_traffic_analyzer",
256 "total_anonymization", NULL
);
258 anon_prefix
=lp_parm_const_string(SNUM(handle
->conn
),
259 "smb_traffic_analyzer",
260 "anonymize_prefix", NULL
);
261 if (anon_prefix
!= NULL
) {
262 if (total_anonymization
!= NULL
) {
263 output
= talloc_asprintf(ctx
, "%s",
266 output
= talloc_asprintf(ctx
, "%s%i", anon_prefix
,
270 output
= talloc_asprintf(ctx
, "%s", str
);
278 * The marshalling function for protocol v2.
279 * TALLOC_CTX *ctx Talloc context to work on
280 * struct tm *tm tm struct for the timestamp
281 * int seconds milliseconds of the timestamp
282 * vfs_handle_struct *handle vfs_handle_struct
283 * char *username Name of the user
284 * int vfs_operation VFS operation identifier
285 * int count Number of the common data blocks
286 * [...] variable args data blocks taken from the individual
287 * VFS data structures
289 * Returns the complete data block to send. The caller has to
290 * take care for freeing the allocated buffer.
292 static char *smb_traffic_analyzer_create_string( TALLOC_CTX
*ctx
,
293 struct tm
*tm
, int seconds
, vfs_handle_struct
*handle
, \
294 char *username
, int vfs_operation
, int count
, ... )
300 char *common_data_count_str
= NULL
;
301 char *timestr
= NULL
;
303 char *usersid
= NULL
;
305 char *vfs_operation_str
= NULL
;
306 const char *service_name
= lp_const_servicename(handle
->conn
->params
->service
);
309 * first create the data that is transfered with any VFS op
310 * These are, in the following order:
311 *(0) number of data to come [6 in v2.0]
312 * 1.vfs_operation identifier
318 * 7.IP Addresss of client
322 * number of common data blocks to come,
323 * this is a #define in vfs_smb_traffic_anaylzer.h,
324 * it's length is known at compile time
326 common_data_count_str
= talloc_strdup( ctx
, SMBTA_COMMON_DATA_COUNT
);
327 /* vfs operation identifier */
328 vfs_operation_str
= talloc_asprintf( common_data_count_str
, "%i",
331 * Handle anonymization. In protocol v2, we have to anonymize
332 * both the SID and the username. The name is already
333 * anonymized if needed, by the calling function.
335 usersid
= dom_sid_string( common_data_count_str
,
336 &handle
->conn
->session_info
->security_token
->sids
[0]);
338 sidstr
= smb_traffic_analyzer_anonymize(
339 common_data_count_str
,
344 timestr
= talloc_asprintf( common_data_count_str
, \
345 "%04d-%02d-%02d %02d:%02d:%02d.%03d", \
353 len
= strlen( timestr
);
354 /* create the string of common data */
355 buf
= talloc_asprintf(ctx
,
356 "%s%04u%s%04u%s%04u%s%04u%s%04u%s%04u%s%04u%s",
357 common_data_count_str
,
358 (unsigned int) strlen(vfs_operation_str
),
360 (unsigned int) strlen(username
),
362 (unsigned int) strlen(sidstr
),
364 (unsigned int) strlen(service_name
),
367 strlen(handle
->conn
->session_info
->info3
->base
.domain
.string
),
368 handle
->conn
->session_info
->info3
->base
.domain
.string
,
369 (unsigned int) strlen(timestr
),
371 (unsigned int) strlen(handle
->conn
->sconn
->client_id
.addr
),
372 handle
->conn
->sconn
->client_id
.addr
);
374 talloc_free(common_data_count_str
);
376 /* data blocks depending on the VFS function */
377 va_start( ap
, count
);
379 arg
= va_arg( ap
, char * );
381 * protocol v2 sends a four byte string
382 * as a header to each block, including
383 * the numbers of bytes to come in the
387 buf
= talloc_asprintf_append( buf
, "%04u%s", len
, arg
);
393 static void smb_traffic_analyzer_send_data(vfs_handle_struct
*handle
,
395 enum vfs_id vfs_operation
)
397 struct refcounted_sock
*rf_sock
= NULL
;
400 struct tm
*tm
= NULL
;
403 char *username
= NULL
;
405 const char *protocol_version
= NULL
;
412 * The state flags are part of the header
413 * and are descripted in the protocol description
414 * in vfs_smb_traffic_analyzer.h. They begin at byte
417 char state_flags
[9] = "000000\0";
420 * The first byte of the state flag string represents
421 * the modules protocol subversion number, defined
422 * in smb_traffic_analyzer.h. smbtatools/smbtad are designed
423 * to handle not yet implemented protocol enhancements
424 * by ignoring them. By recognizing the SMBTA_SUBRELEASE
425 * smbtatools can tell the user to update the client
428 state_flags
[0] = SMBTA_SUBRELEASE
;
430 SMB_VFS_HANDLE_GET_DATA(handle
, rf_sock
, struct refcounted_sock
, return);
432 if (rf_sock
== NULL
|| rf_sock
->sock
== -1) {
433 DEBUG(1, ("smb_traffic_analyzer_send_data: socket is "
440 tm
= localtime(&tv_sec
);
444 seconds
=(float) (tv
.tv_usec
/ 1000);
447 * Check if anonymization is required, and if yes do this only for
448 * the username here, needed vor protocol version 1. In v2 we
449 * additionally anonymize the SID, which is done in it's marshalling
452 username
= smb_traffic_analyzer_anonymize( talloc_tos(),
453 handle
->conn
->session_info
->sanitized_username
,
460 protocol_version
= lp_parm_const_string(SNUM(handle
->conn
),
461 "smb_traffic_analyzer",
462 "protocol_version", NULL
);
465 if (protocol_version
!= NULL
&& strcmp(protocol_version
,"V1") == 0) {
467 struct rw_data
*s_data
= (struct rw_data
*) data
;
470 * in case of protocol v1, ignore any vfs operations
471 * except read,pread,write,pwrite, and set the "Write"
472 * bool accordingly, send data and return.
474 if ( vfs_operation
> vfs_id_pwrite
) return;
476 if ( vfs_operation
<= vfs_id_pread
) Write
=false;
479 str
= talloc_asprintf(talloc_tos(),
480 "V1,%u,\"%s\",\"%s\",\"%c\",\"%s\",\"%s\","
481 "\"%04d-%02d-%02d %02d:%02d:%02d.%03d\"\n",
482 (unsigned int) s_data
->len
,
484 handle
->conn
->session_info
->info3
->base
.domain
.string
,
486 handle
->conn
->connectpath
,
496 if (write_data(rf_sock
->sock
, str
, len
) != len
) {
497 DEBUG(1, ("smb_traffic_analyzer_send_data_socket: "
498 "error sending V1 protocol data to socket!\n"));
504 * Protocol 2 is used by default.
507 switch( vfs_operation
) {
509 str
= smb_traffic_analyzer_create_string( talloc_tos(),
510 tm
, seconds
, handle
, username
, vfs_id_open
,
511 3, ((struct open_data
*) data
)->filename
,
512 talloc_asprintf( talloc_tos(), "%u",
513 ((struct open_data
*) data
)->mode
),
514 talloc_asprintf( talloc_tos(), "%u",
515 ((struct open_data
*) data
)->result
));
518 str
= smb_traffic_analyzer_create_string( talloc_tos(),
519 tm
, seconds
, handle
, username
, vfs_id_close
,
520 2, ((struct close_data
*) data
)->filename
,
521 talloc_asprintf( talloc_tos(), "%u",
522 ((struct close_data
*) data
)->result
));
525 str
= smb_traffic_analyzer_create_string( talloc_tos(),
526 tm
, seconds
, handle
, username
, vfs_id_mkdir
, \
527 3, ((struct mkdir_data
*) data
)->path
, \
528 talloc_asprintf( talloc_tos(), "%u", \
529 ((struct mkdir_data
*) data
)->mode
), \
530 talloc_asprintf( talloc_tos(), "%u", \
531 ((struct mkdir_data
*) data
)->result
));
534 str
= smb_traffic_analyzer_create_string( talloc_tos(),
535 tm
, seconds
, handle
, username
, vfs_id_rmdir
,
536 2, ((struct rmdir_data
*) data
)->path
, \
537 talloc_asprintf( talloc_tos(), "%u", \
538 ((struct rmdir_data
*) data
)->result
));
540 case vfs_id_rename
: ;
541 str
= smb_traffic_analyzer_create_string( talloc_tos(),
542 tm
, seconds
, handle
, username
, vfs_id_rename
,
543 3, ((struct rename_data
*) data
)->src
, \
544 ((struct rename_data
*) data
)->dst
,
545 talloc_asprintf(talloc_tos(), "%u", \
546 ((struct rename_data
*) data
)->result
));
549 str
= smb_traffic_analyzer_create_string( talloc_tos(),
550 tm
, seconds
, handle
, username
, vfs_id_chdir
,
551 2, ((struct chdir_data
*) data
)->path
, \
552 talloc_asprintf(talloc_tos(), "%u", \
553 ((struct chdir_data
*) data
)->result
));
560 str
= smb_traffic_analyzer_create_string( talloc_tos(),
561 tm
, seconds
, handle
, username
, vfs_operation
,
562 2, ((struct rw_data
*) data
)->filename
, \
563 talloc_asprintf(talloc_tos(), "%u", \
565 ((struct rw_data
*) data
)->len
));
568 DEBUG(1, ("smb_traffic_analyzer: error! "
569 "wrong VFS operation id detected!\n"));
576 DEBUG(1, ("smb_traffic_analyzer_send_data: "
577 "unable to create string to send!\n"));
583 * If configured, optain the key and run AES encryption
587 akey
= (char *) secrets_fetch("smb_traffic_analyzer_key", &size
);
589 if ( akey
!= NULL
) {
590 state_flags
[2] = 'E';
591 DEBUG(10, ("smb_traffic_analyzer_send_data_socket: a key was"
592 " found, encrypting data!\n"));
593 output
= smb_traffic_analyzer_encrypt( talloc_tos(),
596 header
= smb_traffic_analyzer_create_header( talloc_tos(),
599 DEBUG(10, ("smb_traffic_analyzer_send_data_socket:"
600 " header created for crypted data: %s\n", header
));
601 smb_traffic_analyzer_write_data(header
, output
, len
,
608 header
= smb_traffic_analyzer_create_header( talloc_tos(),
610 smb_traffic_analyzer_write_data(header
, str
, strlen(str
),
615 static struct refcounted_sock
*sock_list
;
617 static void smb_traffic_analyzer_free_data(void **pptr
)
619 struct refcounted_sock
*rf_sock
= *(struct refcounted_sock
**)pptr
;
620 if (rf_sock
== NULL
) {
623 rf_sock
->ref_count
--;
624 if (rf_sock
->ref_count
!= 0) {
627 if (rf_sock
->sock
!= -1) {
628 close(rf_sock
->sock
);
630 DLIST_REMOVE(sock_list
, rf_sock
);
631 TALLOC_FREE(rf_sock
);
634 static int smb_traffic_analyzer_connect(struct vfs_handle_struct
*handle
,
638 connection_struct
*conn
= handle
->conn
;
639 enum sock_type st
= smb_traffic_analyzer_connMode(handle
);
640 struct refcounted_sock
*rf_sock
= NULL
;
641 const char *name
= (st
== UNIX_DOMAIN_SOCKET
) ? LOCAL_PATHNAME
:
642 lp_parm_const_string(SNUM(conn
),
643 "smb_traffic_analyzer",
644 "host", "localhost");
645 uint16_t port
= (st
== UNIX_DOMAIN_SOCKET
) ? 0 :
646 atoi( lp_parm_const_string(SNUM(conn
),
647 "smb_traffic_analyzer", "port", "9430"));
648 int ret
= SMB_VFS_NEXT_CONNECT(handle
, service
, user
);
654 /* Are we already connected ? */
655 for (rf_sock
= sock_list
; rf_sock
; rf_sock
= rf_sock
->next
) {
656 if (port
== rf_sock
->port
&&
657 (strcmp(name
, rf_sock
->name
) == 0)) {
662 /* If we're connected already, just increase the
663 * reference count. */
665 rf_sock
->ref_count
++;
667 /* New connection. */
668 rf_sock
= TALLOC_ZERO_P(NULL
, struct refcounted_sock
);
669 if (rf_sock
== NULL
) {
670 SMB_VFS_NEXT_DISCONNECT(handle
);
674 rf_sock
->name
= talloc_strdup(rf_sock
, name
);
675 if (rf_sock
->name
== NULL
) {
676 SMB_VFS_NEXT_DISCONNECT(handle
);
677 TALLOC_FREE(rf_sock
);
681 rf_sock
->port
= port
;
682 rf_sock
->ref_count
= 1;
684 if (st
== UNIX_DOMAIN_SOCKET
) {
685 rf_sock
->sock
= smb_traffic_analyzer_connect_unix_socket(handle
,
689 rf_sock
->sock
= smb_traffic_analyzer_connect_inet_socket(handle
,
693 if (rf_sock
->sock
== -1) {
694 SMB_VFS_NEXT_DISCONNECT(handle
);
695 TALLOC_FREE(rf_sock
);
698 DLIST_ADD(sock_list
, rf_sock
);
701 /* Store the private data. */
702 SMB_VFS_HANDLE_SET_DATA(handle
, rf_sock
, smb_traffic_analyzer_free_data
,
703 struct refcounted_sock
, return -1);
708 static int smb_traffic_analyzer_chdir(vfs_handle_struct
*handle
, \
711 struct chdir_data s_data
;
712 s_data
.result
= SMB_VFS_NEXT_CHDIR(handle
, path
);
714 DEBUG(10, ("smb_traffic_analyzer_chdir: CHDIR: %s\n", path
));
715 smb_traffic_analyzer_send_data(handle
, &s_data
, vfs_id_chdir
);
716 return s_data
.result
;
719 static int smb_traffic_analyzer_rename(vfs_handle_struct
*handle
, \
720 const struct smb_filename
*smb_fname_src
,
721 const struct smb_filename
*smb_fname_dst
)
723 struct rename_data s_data
;
724 s_data
.result
= SMB_VFS_NEXT_RENAME(handle
, smb_fname_src
, \
726 s_data
.src
= smb_fname_src
->base_name
;
727 s_data
.dst
= smb_fname_dst
->base_name
;
728 DEBUG(10, ("smb_traffic_analyzer_rename: RENAME: %s / %s\n",
729 smb_fname_src
->base_name
,
730 smb_fname_dst
->base_name
));
731 smb_traffic_analyzer_send_data(handle
, &s_data
, vfs_id_rename
);
732 return s_data
.result
;
735 static int smb_traffic_analyzer_rmdir(vfs_handle_struct
*handle
, \
738 struct rmdir_data s_data
;
739 s_data
.result
= SMB_VFS_NEXT_RMDIR(handle
, path
);
741 DEBUG(10, ("smb_traffic_analyzer_rmdir: RMDIR: %s\n", path
));
742 smb_traffic_analyzer_send_data(handle
, &s_data
, vfs_id_rmdir
);
743 return s_data
.result
;
746 static int smb_traffic_analyzer_mkdir(vfs_handle_struct
*handle
, \
747 const char *path
, mode_t mode
)
749 struct mkdir_data s_data
;
750 s_data
.result
= SMB_VFS_NEXT_MKDIR(handle
, path
, mode
);
753 DEBUG(10, ("smb_traffic_analyzer_mkdir: MKDIR: %s\n", path
));
754 smb_traffic_analyzer_send_data(handle
,
757 return s_data
.result
;
760 static ssize_t
smb_traffic_analyzer_sendfile(vfs_handle_struct
*handle
,
762 files_struct
*fromfsp
,
763 const DATA_BLOB
*hdr
,
767 struct rw_data s_data
;
768 s_data
.len
= SMB_VFS_NEXT_SENDFILE(handle
,
769 tofd
, fromfsp
, hdr
, offset
, n
);
770 s_data
.filename
= fromfsp
->fsp_name
->base_name
;
771 DEBUG(10, ("smb_traffic_analyzer_sendfile: sendfile(r): %s\n",
772 fsp_str_dbg(fromfsp
)));
773 smb_traffic_analyzer_send_data(handle
,
779 static ssize_t
smb_traffic_analyzer_recvfile(vfs_handle_struct
*handle
,
785 struct rw_data s_data
;
786 s_data
.len
= SMB_VFS_NEXT_RECVFILE(handle
,
787 fromfd
, tofsp
, offset
, n
);
788 s_data
.filename
= tofsp
->fsp_name
->base_name
;
789 DEBUG(10, ("smb_traffic_analyzer_recvfile: recvfile(w): %s\n",
790 fsp_str_dbg(tofsp
)));
791 smb_traffic_analyzer_send_data(handle
,
798 static ssize_t
smb_traffic_analyzer_read(vfs_handle_struct
*handle
, \
799 files_struct
*fsp
, void *data
, size_t n
)
801 struct rw_data s_data
;
803 s_data
.len
= SMB_VFS_NEXT_READ(handle
, fsp
, data
, n
);
804 s_data
.filename
= fsp
->fsp_name
->base_name
;
805 DEBUG(10, ("smb_traffic_analyzer_read: READ: %s\n", fsp_str_dbg(fsp
)));
807 smb_traffic_analyzer_send_data(handle
,
814 static ssize_t
smb_traffic_analyzer_pread(vfs_handle_struct
*handle
, \
815 files_struct
*fsp
, void *data
, size_t n
, SMB_OFF_T offset
)
817 struct rw_data s_data
;
819 s_data
.len
= SMB_VFS_NEXT_PREAD(handle
, fsp
, data
, n
, offset
);
820 s_data
.filename
= fsp
->fsp_name
->base_name
;
821 DEBUG(10, ("smb_traffic_analyzer_pread: PREAD: %s\n",
824 smb_traffic_analyzer_send_data(handle
,
831 static ssize_t
smb_traffic_analyzer_write(vfs_handle_struct
*handle
, \
832 files_struct
*fsp
, const void *data
, size_t n
)
834 struct rw_data s_data
;
836 s_data
.len
= SMB_VFS_NEXT_WRITE(handle
, fsp
, data
, n
);
837 s_data
.filename
= fsp
->fsp_name
->base_name
;
838 DEBUG(10, ("smb_traffic_analyzer_write: WRITE: %s\n",
841 smb_traffic_analyzer_send_data(handle
,
847 static ssize_t
smb_traffic_analyzer_pwrite(vfs_handle_struct
*handle
, \
848 files_struct
*fsp
, const void *data
, size_t n
, SMB_OFF_T offset
)
850 struct rw_data s_data
;
852 s_data
.len
= SMB_VFS_NEXT_PWRITE(handle
, fsp
, data
, n
, offset
);
853 s_data
.filename
= fsp
->fsp_name
->base_name
;
854 DEBUG(10, ("smb_traffic_analyzer_pwrite: PWRITE: %s\n", \
857 smb_traffic_analyzer_send_data(handle
,
863 static int smb_traffic_analyzer_open(vfs_handle_struct
*handle
, \
864 struct smb_filename
*smb_fname
, files_struct
*fsp
,\
865 int flags
, mode_t mode
)
867 struct open_data s_data
;
869 s_data
.result
= SMB_VFS_NEXT_OPEN( handle
, smb_fname
, fsp
,
871 DEBUG(10,("smb_traffic_analyzer_open: OPEN: %s\n",
873 s_data
.filename
= fsp
->fsp_name
->base_name
;
875 smb_traffic_analyzer_send_data(handle
,
878 return s_data
.result
;
881 static int smb_traffic_analyzer_close(vfs_handle_struct
*handle
, \
884 struct close_data s_data
;
885 s_data
.result
= SMB_VFS_NEXT_CLOSE(handle
, fsp
);
886 DEBUG(10,("smb_traffic_analyzer_close: CLOSE: %s\n",
888 s_data
.filename
= fsp
->fsp_name
->base_name
;
889 smb_traffic_analyzer_send_data(handle
,
892 return s_data
.result
;
896 static struct vfs_fn_pointers vfs_smb_traffic_analyzer_fns
= {
897 .connect_fn
= smb_traffic_analyzer_connect
,
898 .vfs_read
= smb_traffic_analyzer_read
,
899 .pread
= smb_traffic_analyzer_pread
,
900 .write
= smb_traffic_analyzer_write
,
901 .pwrite
= smb_traffic_analyzer_pwrite
,
902 .mkdir
= smb_traffic_analyzer_mkdir
,
903 .rename
= smb_traffic_analyzer_rename
,
904 .chdir
= smb_traffic_analyzer_chdir
,
905 .open_fn
= smb_traffic_analyzer_open
,
906 .rmdir
= smb_traffic_analyzer_rmdir
,
907 .close_fn
= smb_traffic_analyzer_close
,
908 .sendfile
= smb_traffic_analyzer_sendfile
,
909 .recvfile
= smb_traffic_analyzer_recvfile
912 /* Module initialization */
913 NTSTATUS
vfs_smb_traffic_analyzer_init(void)
915 NTSTATUS ret
= smb_register_vfs(SMB_VFS_INTERFACE_VERSION
,
916 "smb_traffic_analyzer",
917 &vfs_smb_traffic_analyzer_fns
);
919 if (!NT_STATUS_IS_OK(ret
)) {
923 vfs_smb_traffic_analyzer_debug_level
=
924 debug_add_class("smb_traffic_analyzer");
926 if (vfs_smb_traffic_analyzer_debug_level
== -1) {
927 vfs_smb_traffic_analyzer_debug_level
= DBGC_VFS
;
928 DEBUG(1, ("smb_traffic_analyzer_init: Couldn't register custom"
929 "debugging class!\n"));
931 DEBUG(3, ("smb_traffic_analyzer_init: Debug class number of"
932 "'smb_traffic_analyzer': %d\n", \
933 vfs_smb_traffic_analyzer_debug_level
));