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s3-rpc_client: move protos to init_spoolss.h
[Samba/ekacnet.git] / source3 / modules / vfs_smb_traffic_analyzer.c
blobdcb01994c32e3c3732e2ba9054e465df6990b069
1 /*
2 * traffic-analyzer VFS module. Measure the smb traffic users create
3 * on the net.
4 *
5 * Copyright (C) Holger Hetterich, 2008-2010
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 /**
153 * Encryption of a data block with AES
154 * TALLOC_CTX *ctx Talloc context to work on
155 * const char *akey 128bit key for the encryption
156 * const char *str Data buffer to encrypt, \0 terminated
157 * int *len Will be set to the length of the
158 * resulting data block
159 * The caller has to take care for the memory
160 * allocated on the context.
161 */
162 static char *smb_traffic_analyzer_encrypt( TALLOC_CTX *ctx,
163 const char *akey, const char *str, size_t *len)
164 {
165 int s1,s2,h,d;
166 AES_KEY key;
167 unsigned char filler[17]= "................";
168 char *output;
169 unsigned char crypted[18];
170 if (akey == NULL) return NULL;
171 samba_AES_set_encrypt_key((unsigned char *) akey, 128, &key);
172 s1 = strlen(str) / 16;
173 s2 = strlen(str) % 16;
174 for (h = 0; h < s2; h++) *(filler+h)=*(str+(s1*16)+h);
175 DEBUG(10, ("smb_traffic_analyzer_send_data_socket: created %s"
176 " as filling block.\n", filler));
177 output = talloc_array(ctx, char, (s1*16)+17 );
178 d=0;
179 for (h = 0; h < s1; h++) {
180 samba_AES_encrypt((unsigned char *) str+(16*h), crypted, &key);
181 for (d = 0; d<16; d++) output[d+(16*h)]=crypted[d];
182 }
183 samba_AES_encrypt( (unsigned char *) str+(16*h), filler, &key );
184 for (d = 0;d < 16; d++) output[d+(16*h)]=*(filler+d);
185 *len = (s1*16)+16;
186 return output;
187 }
188
189 /**
190 * Create a v2 header.
191 * TALLLOC_CTX *ctx Talloc context to work on
192 * const char *state_flags State flag string
193 * int len length of the data block
194 */
195 static char *smb_traffic_analyzer_create_header( TALLOC_CTX *ctx,
196 const char *state_flags, size_t data_len)
197 {
198 char *header = talloc_asprintf( ctx, "V2.%s%017u",
199 state_flags, (unsigned int) data_len);
200 DEBUG(10, ("smb_traffic_analyzer_send_data_socket: created Header:\n"));
201 dump_data(10, (uint8_t *)header, strlen(header));
202 return header;
203 }
204
205
206 /**
207 * Actually send header and data over the network
208 * char *header Header data
209 * char *data Data Block
210 * int dlength Length of data block
211 * int socket
212 */
213 static void smb_traffic_analyzer_write_data( char *header, char *data,
214 int dlength, int _socket)
215 {
216 int len = strlen(header);
217 if (write_data( _socket, header, len) != len) {
218 DEBUG(1, ("smb_traffic_analyzer_send_data_socket: "
219 "error sending the header"
220 " over the socket!\n"));
221 }
222 DEBUG(10,("smb_traffic_analyzer_write_data: sending data:\n"));
223 dump_data( 10, (uint8_t *)data, dlength);
224
225 if (write_data( _socket, data, dlength) != dlength) {
226 DEBUG(1, ("smb_traffic_analyzer_write_data: "
227 "error sending crypted data to socket!\n"));
228 }
229 }
230
231
232 /*
233 * Anonymize a string if required.
234 * TALLOC_CTX *ctx The talloc context to work on
235 * const char *str The string to anonymize
236 * vfs_handle_struct *handle The handle struct to work on
237 *
238 * Returns a newly allocated string, either the anonymized one,
239 * or a copy of const char *str. The caller has to take care for
240 * freeing the allocated memory.
241 */
242 static char *smb_traffic_analyzer_anonymize( TALLOC_CTX *ctx,
243 const char *str,
244 vfs_handle_struct *handle )
245 {
246 const char *total_anonymization;
247 const char *anon_prefix;
248 char *output;
249 total_anonymization=lp_parm_const_string(SNUM(handle->conn),
250 "smb_traffic_analyzer",
251 "total_anonymization", NULL);
252
253 anon_prefix=lp_parm_const_string(SNUM(handle->conn),
254 "smb_traffic_analyzer",
255 "anonymize_prefix", NULL );
256 if (anon_prefix != NULL) {
257 if (total_anonymization != NULL) {
258 output = talloc_asprintf(ctx, "%s",
259 anon_prefix);
260 } else {
261 output = talloc_asprintf(ctx, "%s%i", anon_prefix,
262 str_checksum(str));
263 }
264 } else {
265 output = talloc_asprintf(ctx, "%s", str);
266 }
267
268 return output;
269 }
270
271
272 /**
273 * The marshalling function for protocol v2.
274 * TALLOC_CTX *ctx Talloc context to work on
275 * struct tm *tm tm struct for the timestamp
276 * int seconds milliseconds of the timestamp
277 * vfs_handle_struct *handle vfs_handle_struct
278 * char *username Name of the user
279 * int vfs_operation VFS operation identifier
280 * int count Number of the common data blocks
281 * [...] variable args data blocks taken from the individual
282 * VFS data structures
283 *
284 * Returns the complete data block to send. The caller has to
285 * take care for freeing the allocated buffer.
286 */
287 static char *smb_traffic_analyzer_create_string( TALLOC_CTX *ctx,
288 struct tm *tm, int seconds, vfs_handle_struct *handle, \
289 char *username, int vfs_operation, int count, ... )
290 {
291
292 va_list ap;
293 char *arg = NULL;
294 int len;
295 char *common_data_count_str = NULL;
296 char *timestr = NULL;
297 char *sidstr = NULL;
298 char *usersid = NULL;
299 char *buf = NULL;
300 char *vfs_operation_str = NULL;
301 /*
302 * first create the data that is transfered with any VFS op
303 * These are, in the following order:
304 *(0) number of data to come [6 in v2.0]
305 * 1.vfs_operation identifier
306 * 2.username
307 * 3.user-SID
308 * 4.affected share
309 * 5.domain
310 * 6.timestamp
311 */
312
313 /*
314 * number of common data blocks to come,
315 * this is a #define in vfs_smb_traffic_anaylzer.h,
316 * it's length is known at compile time
317 */
318 common_data_count_str = talloc_strdup( ctx, SMBTA_COMMON_DATA_COUNT);
319 /* vfs operation identifier */
320 vfs_operation_str = talloc_asprintf( common_data_count_str, "%i",
321 vfs_operation);
322 /*
323 * Handle anonymization. In protocol v2, we have to anonymize
324 * both the SID and the username. The name is already
325 * anonymized if needed, by the calling function.
326 */
327 usersid = dom_sid_string( common_data_count_str,
328 &handle->conn->server_info->ptok->user_sids[0]);
329
330 sidstr = smb_traffic_analyzer_anonymize(
331 common_data_count_str,
332 usersid,
333 handle);
334
335 /* time stamp */
336 timestr = talloc_asprintf( common_data_count_str, \
337 "%04d-%02d-%02d %02d:%02d:%02d.%03d", \
338 tm->tm_year+1900, \
339 tm->tm_mon+1, \
340 tm->tm_mday, \
341 tm->tm_hour, \
342 tm->tm_min, \
343 tm->tm_sec, \
344 (int)seconds);
345 len = strlen( timestr );
346 /* create the string of common data */
347 buf = talloc_asprintf(ctx,
348 "%s%04u%s%04u%s%04u%s%04u%s%04u%s%04u%s",
349 common_data_count_str,
350 (unsigned int) strlen(vfs_operation_str),
351 vfs_operation_str,
352 (unsigned int) strlen(username),
353 username,
354 (unsigned int) strlen(sidstr),
355 sidstr,
356 (unsigned int) strlen(handle->conn->connectpath),
357 handle->conn->connectpath,
358 (unsigned int)
359 strlen(pdb_get_domain(handle->conn->server_info->sam_account)),
360 pdb_get_domain(handle->conn->server_info->sam_account),
361 (unsigned int) strlen(timestr),
362 timestr);
363
364 talloc_free(common_data_count_str);
365
366 /* data blocks depending on the VFS function */
367 va_start( ap, count );
368 while ( count-- ) {
369 arg = va_arg( ap, char * );
370 /*
371 * protocol v2 sends a four byte string
372 * as a header to each block, including
373 * the numbers of bytes to come in the
374 * next string.
375 */
376 len = strlen( arg );
377 buf = talloc_asprintf_append( buf, "%04u%s", len, arg);
378 }
379 va_end( ap );
380 return buf;
381 }
382
383 static void smb_traffic_analyzer_send_data(vfs_handle_struct *handle,
384 void *data,
385 enum vfs_id vfs_operation )
386 {
387 struct refcounted_sock *rf_sock = NULL;
388 struct timeval tv;
389 time_t tv_sec;
390 struct tm *tm = NULL;
391 int seconds;
392 char *str = NULL;
393 char *username = NULL;
394 char *header = NULL;
395 const char *protocol_version = NULL;
396 bool Write = false;
397 size_t len;
398 size_t size;
399 char *akey, *output;
400
401 /*
402 * The state flags are part of the header
403 * and are descripted in the protocol description
404 * in vfs_smb_traffic_analyzer.h. They begin at byte
405 * 03 of the header.
406 */
407 char state_flags[9] = "000000\0";
408
409 SMB_VFS_HANDLE_GET_DATA(handle, rf_sock, struct refcounted_sock, return);
410
411 if (rf_sock == NULL || rf_sock->sock == -1) {
412 DEBUG(1, ("smb_traffic_analyzer_send_data: socket is "
413 "closed\n"));
414 return;
415 }
416
417 GetTimeOfDay(&tv);
418 tv_sec = convert_timespec_to_time_t(convert_timeval_to_timespec(tv));
419 tm = localtime(&tv_sec);
420 if (!tm) {
421 return;
422 }
423 seconds=(float) (tv.tv_usec / 1000);
424
425 /*
426 * Check if anonymization is required, and if yes do this only for
427 * the username here, needed vor protocol version 1. In v2 we
428 * additionally anonymize the SID, which is done in it's marshalling
429 * function.
430 */
431 username = smb_traffic_analyzer_anonymize( talloc_tos(),
432 handle->conn->server_info->sanitized_username,
433 handle);
434
435 if (!username) {
436 return;
437 }
438
439 protocol_version = lp_parm_const_string(SNUM(handle->conn),
440 "smb_traffic_analyzer",
441 "protocol_version", NULL );
442
443
444 if ( protocol_version == NULL || strcmp( protocol_version,"V1") == 0) {
445
446 struct rw_data *s_data = (struct rw_data *) data;
447
448 /*
449 * in case of protocol v1, ignore any vfs operations
450 * except read,pread,write,pwrite, and set the "Write"
451 * bool accordingly, send data and return.
452 */
453 if ( vfs_operation > vfs_id_pwrite ) return;
454
455 if ( vfs_operation <= vfs_id_pread ) Write=false;
456 else Write=true;
457
458 str = talloc_asprintf(talloc_tos(),
459 "V1,%u,\"%s\",\"%s\",\"%c\",\"%s\",\"%s\","
460 "\"%04d-%02d-%02d %02d:%02d:%02d.%03d\"\n",
461 (unsigned int) s_data->len,
462 username,
463 pdb_get_domain(handle->conn->server_info->sam_account),
464 Write ? 'W' : 'R',
465 handle->conn->connectpath,
466 s_data->filename,
467 tm->tm_year+1900,
468 tm->tm_mon+1,
469 tm->tm_mday,
470 tm->tm_hour,
471 tm->tm_min,
472 tm->tm_sec,
473 (int)seconds);
474 if (write_data(rf_sock->sock, str, len) != len) {
475 DEBUG(1, ("smb_traffic_analyzer_send_data_socket: "
476 "error sending V1 protocol data to socket!\n"));
477 return;
478 }
479
480 } else if ( strcmp( protocol_version, "V2") == 0) {
481
482 switch( vfs_operation ) {
483 case vfs_id_open: ;
484 str = smb_traffic_analyzer_create_string( talloc_tos(),
485 tm, seconds, handle, username, vfs_id_open,
486 3, ((struct open_data *) data)->filename,
487 talloc_asprintf( talloc_tos(), "%u",
488 ((struct open_data *) data)->mode),
489 talloc_asprintf( talloc_tos(), "%u",
490 ((struct open_data *) data)->result));
491 break;
492 case vfs_id_close: ;
493 str = smb_traffic_analyzer_create_string( talloc_tos(),
494 tm, seconds, handle, username, vfs_id_close,
495 2, ((struct close_data *) data)->filename,
496 talloc_asprintf( talloc_tos(), "%u",
497 ((struct close_data *) data)->result));
498 break;
499 case vfs_id_mkdir: ;
500 str = smb_traffic_analyzer_create_string( talloc_tos(),
501 tm, seconds, handle, username, vfs_id_mkdir, \
502 3, ((struct mkdir_data *) data)->path, \
503 talloc_asprintf( talloc_tos(), "%u", \
504 ((struct mkdir_data *) data)->mode), \
505 talloc_asprintf( talloc_tos(), "%u", \
506 ((struct mkdir_data *) data)->result ));
507 break;
508 case vfs_id_rmdir: ;
509 str = smb_traffic_analyzer_create_string( talloc_tos(),
510 tm, seconds, handle, username, vfs_id_rmdir,
511 2, ((struct rmdir_data *) data)->path, \
512 talloc_asprintf( talloc_tos(), "%u", \
513 ((struct rmdir_data *) data)->result ));
514 break;
515 case vfs_id_rename: ;
516 str = smb_traffic_analyzer_create_string( talloc_tos(),
517 tm, seconds, handle, username, vfs_id_rename,
518 3, ((struct rename_data *) data)->src, \
519 ((struct rename_data *) data)->dst,
520 talloc_asprintf(talloc_tos(), "%u", \
521 ((struct rename_data *) data)->result));
522 break;
523 case vfs_id_chdir: ;
524 str = smb_traffic_analyzer_create_string( talloc_tos(),
525 tm, seconds, handle, username, vfs_id_chdir,
526 2, ((struct chdir_data *) data)->path, \
527 talloc_asprintf(talloc_tos(), "%u", \
528 ((struct chdir_data *) data)->result));
529 break;
530
531 case vfs_id_write:
532 case vfs_id_pwrite:
533 case vfs_id_read:
534 case vfs_id_pread: ;
535 str = smb_traffic_analyzer_create_string( talloc_tos(),
536 tm, seconds, handle, username, vfs_operation,
537 2, ((struct rw_data *) data)->filename, \
538 talloc_asprintf(talloc_tos(), "%u", \
539 (unsigned int)
540 ((struct rw_data *) data)->len));
541 break;
542 default:
543 DEBUG(1, ("smb_traffic_analyzer: error! "
544 "wrong VFS operation id detected!\n"));
545 return;
546 }
547
548 } else {
549 DEBUG(1, ("smb_traffic_analyzer_send_data_socket: "
550 "error, unkown protocol given!\n"));
551 return;
552 }
553
554 if (!str) {
555 DEBUG(1, ("smb_traffic_analyzer_send_data: "
556 "unable to create string to send!\n"));
557 return;
558 }
559
560
561 /*
562 * If configured, optain the key and run AES encryption
563 * over the data.
564 */
565 become_root();
566 akey = (char *) secrets_fetch("smb_traffic_analyzer_key", &size);
567 unbecome_root();
568 if ( akey != NULL ) {
569 state_flags[2] = 'E';
570 DEBUG(10, ("smb_traffic_analyzer_send_data_socket: a key was"
571 " found, encrypting data!\n"));
572 output = smb_traffic_analyzer_encrypt( talloc_tos(),
573 akey, str, &len);
574 header = smb_traffic_analyzer_create_header( talloc_tos(),
575 state_flags, len);
576
577 DEBUG(10, ("smb_traffic_analyzer_send_data_socket:"
578 " header created for crypted data: %s\n", header));
579 smb_traffic_analyzer_write_data(header, output, len,
580 rf_sock->sock);
581 return;
582
583 }
584
585 len = strlen(str);
586 header = smb_traffic_analyzer_create_header( talloc_tos(),
587 state_flags, len);
588 smb_traffic_analyzer_write_data(header, str, strlen(str),
589 rf_sock->sock);
590
591 }
592
593 static struct refcounted_sock *sock_list;
594
595 static void smb_traffic_analyzer_free_data(void **pptr)
596 {
597 struct refcounted_sock *rf_sock = *(struct refcounted_sock **)pptr;
598 if (rf_sock == NULL) {
599 return;
600 }
601 rf_sock->ref_count--;
602 if (rf_sock->ref_count != 0) {
603 return;
604 }
605 if (rf_sock->sock != -1) {
606 close(rf_sock->sock);
607 }
608 DLIST_REMOVE(sock_list, rf_sock);
609 TALLOC_FREE(rf_sock);
610 }
611
612 static int smb_traffic_analyzer_connect(struct vfs_handle_struct *handle,
613 const char *service,
614 const char *user)
615 {
616 connection_struct *conn = handle->conn;
617 enum sock_type st = smb_traffic_analyzer_connMode(handle);
618 struct refcounted_sock *rf_sock = NULL;
619 const char *name = (st == UNIX_DOMAIN_SOCKET) ? LOCAL_PATHNAME :
620 lp_parm_const_string(SNUM(conn),
621 "smb_traffic_analyzer",
622 "host", "localhost");
623 uint16_t port = (st == UNIX_DOMAIN_SOCKET) ? 0 :
624 atoi( lp_parm_const_string(SNUM(conn),
625 "smb_traffic_analyzer", "port", "9430"));
626 int ret = SMB_VFS_NEXT_CONNECT(handle, service, user);
627
628 if (ret < 0) {
629 return ret;
630 }
631
632 /* Are we already connected ? */
633 for (rf_sock = sock_list; rf_sock; rf_sock = rf_sock->next) {
634 if (port == rf_sock->port &&
635 (strcmp(name, rf_sock->name) == 0)) {
636 break;
637 }
638 }
639
640 /* If we're connected already, just increase the
641 * reference count. */
642 if (rf_sock) {
643 rf_sock->ref_count++;
644 } else {
645 /* New connection. */
646 rf_sock = TALLOC_ZERO_P(NULL, struct refcounted_sock);
647 if (rf_sock == NULL) {
648 SMB_VFS_NEXT_DISCONNECT(handle);
649 errno = ENOMEM;
650 return -1;
651 }
652 rf_sock->name = talloc_strdup(rf_sock, name);
653 if (rf_sock->name == NULL) {
654 SMB_VFS_NEXT_DISCONNECT(handle);
655 TALLOC_FREE(rf_sock);
656 errno = ENOMEM;
657 return -1;
658 }
659 rf_sock->port = port;
660 rf_sock->ref_count = 1;
661
662 if (st == UNIX_DOMAIN_SOCKET) {
663 rf_sock->sock = smb_traffic_analyzer_connect_unix_socket(handle,
664 name);
665 } else {
666
667 rf_sock->sock = smb_traffic_analyzer_connect_inet_socket(handle,
668 name,
669 port);
670 }
671 if (rf_sock->sock == -1) {
672 SMB_VFS_NEXT_DISCONNECT(handle);
673 TALLOC_FREE(rf_sock);
674 return -1;
675 }
676 DLIST_ADD(sock_list, rf_sock);
677 }
678
679 /* Store the private data. */
680 SMB_VFS_HANDLE_SET_DATA(handle, rf_sock, smb_traffic_analyzer_free_data,
681 struct refcounted_sock, return -1);
682 return 0;
683 }
684
685 /* VFS Functions */
686 static int smb_traffic_analyzer_chdir(vfs_handle_struct *handle, \
687 const char *path)
688 {
689 struct chdir_data s_data;
690 s_data.result = SMB_VFS_NEXT_CHDIR(handle, path);
691 s_data.path = path;
692 DEBUG(10, ("smb_traffic_analyzer_chdir: CHDIR: %s\n", path));
693 smb_traffic_analyzer_send_data(handle, &s_data, vfs_id_chdir);
694 return s_data.result;
695 }
696
697 static int smb_traffic_analyzer_rename(vfs_handle_struct *handle, \
698 const struct smb_filename *smb_fname_src,
699 const struct smb_filename *smb_fname_dst)
700 {
701 struct rename_data s_data;
702 s_data.result = SMB_VFS_NEXT_RENAME(handle, smb_fname_src, \
703 smb_fname_dst);
704 s_data.src = smb_fname_src->base_name;
705 s_data.dst = smb_fname_dst->base_name;
706 DEBUG(10, ("smb_traffic_analyzer_rename: RENAME: %s / %s\n",
707 smb_fname_src->base_name,
708 smb_fname_dst->base_name));
709 smb_traffic_analyzer_send_data(handle, &s_data, vfs_id_rename);
710 return s_data.result;
711 }
712
713 static int smb_traffic_analyzer_rmdir(vfs_handle_struct *handle, \
714 const char *path)
715 {
716 struct rmdir_data s_data;
717 s_data.result = SMB_VFS_NEXT_RMDIR(handle, path);
718 s_data.path = path;
719 DEBUG(10, ("smb_traffic_analyzer_rmdir: RMDIR: %s\n", path));
720 smb_traffic_analyzer_send_data(handle, &s_data, vfs_id_rmdir);
721 return s_data.result;
722 }
723
724 static int smb_traffic_analyzer_mkdir(vfs_handle_struct *handle, \
725 const char *path, mode_t mode)
726 {
727 struct mkdir_data s_data;
728 s_data.result = SMB_VFS_NEXT_MKDIR(handle, path, mode);
729 s_data.path = path;
730 s_data.mode = mode;
731 DEBUG(10, ("smb_traffic_analyzer_mkdir: MKDIR: %s\n", path));
732 smb_traffic_analyzer_send_data(handle,
733 &s_data,
734 vfs_id_mkdir);
735 return s_data.result;
736 }
737
738 static ssize_t smb_traffic_analyzer_read(vfs_handle_struct *handle, \
739 files_struct *fsp, void *data, size_t n)
740 {
741 struct rw_data s_data;
742
743 s_data.len = SMB_VFS_NEXT_READ(handle, fsp, data, n);
744 s_data.filename = fsp->fsp_name->base_name;
745 DEBUG(10, ("smb_traffic_analyzer_read: READ: %s\n", fsp_str_dbg(fsp)));
746
747 smb_traffic_analyzer_send_data(handle,
748 &s_data,
749 vfs_id_read);
750 return s_data.len;
751 }
752
753
754 static ssize_t smb_traffic_analyzer_pread(vfs_handle_struct *handle, \
755 files_struct *fsp, void *data, size_t n, SMB_OFF_T offset)
756 {
757 struct rw_data s_data;
758
759 s_data.len = SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
760 s_data.filename = fsp->fsp_name->base_name;
761 DEBUG(10, ("smb_traffic_analyzer_pread: PREAD: %s\n",
762 fsp_str_dbg(fsp)));
763
764 smb_traffic_analyzer_send_data(handle,
765 &s_data,
766 vfs_id_pread);
767
768 return s_data.len;
769 }
770
771 static ssize_t smb_traffic_analyzer_write(vfs_handle_struct *handle, \
772 files_struct *fsp, const void *data, size_t n)
773 {
774 struct rw_data s_data;
775
776 s_data.len = SMB_VFS_NEXT_WRITE(handle, fsp, data, n);
777 s_data.filename = fsp->fsp_name->base_name;
778 DEBUG(10, ("smb_traffic_analyzer_write: WRITE: %s\n",
779 fsp_str_dbg(fsp)));
780
781 smb_traffic_analyzer_send_data(handle,
782 &s_data,
783 vfs_id_write);
784 return s_data.len;
785 }
786
787 static ssize_t smb_traffic_analyzer_pwrite(vfs_handle_struct *handle, \
788 files_struct *fsp, const void *data, size_t n, SMB_OFF_T offset)
789 {
790 struct rw_data s_data;
791
792 s_data.len = SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
793 s_data.filename = fsp->fsp_name->base_name;
794 DEBUG(10, ("smb_traffic_analyzer_pwrite: PWRITE: %s\n", \
795 fsp_str_dbg(fsp)));
796
797 smb_traffic_analyzer_send_data(handle,
798 &s_data,
799 vfs_id_pwrite);
800 return s_data.len;
801 }
802
803 static int smb_traffic_analyzer_open(vfs_handle_struct *handle, \
804 struct smb_filename *smb_fname, files_struct *fsp,\
805 int flags, mode_t mode)
806 {
807 struct open_data s_data;
808
809 s_data.result = SMB_VFS_NEXT_OPEN( handle, smb_fname, fsp,
810 flags, mode);
811 DEBUG(10,("smb_traffic_analyzer_open: OPEN: %s\n",
812 fsp_str_dbg(fsp)));
813 s_data.filename = fsp->fsp_name->base_name;
814 s_data.mode = mode;
815 smb_traffic_analyzer_send_data(handle,
816 &s_data,
817 vfs_id_open);
818 return s_data.result;
819 }
820
821 static int smb_traffic_analyzer_close(vfs_handle_struct *handle, \
822 files_struct *fsp)
823 {
824 struct close_data s_data;
825 s_data.result = SMB_VFS_NEXT_CLOSE(handle, fsp);
826 DEBUG(10,("smb_traffic_analyzer_close: CLOSE: %s\n",
827 fsp_str_dbg(fsp)));
828 s_data.filename = fsp->fsp_name->base_name;
829 smb_traffic_analyzer_send_data(handle,
830 &s_data,
831 vfs_id_close);
832 return s_data.result;
833 }
834
835
836 static struct vfs_fn_pointers vfs_smb_traffic_analyzer_fns = {
837 .connect_fn = smb_traffic_analyzer_connect,
838 .vfs_read = smb_traffic_analyzer_read,
839 .pread = smb_traffic_analyzer_pread,
840 .write = smb_traffic_analyzer_write,
841 .pwrite = smb_traffic_analyzer_pwrite,
842 .mkdir = smb_traffic_analyzer_mkdir,
843 .rename = smb_traffic_analyzer_rename,
844 .chdir = smb_traffic_analyzer_chdir,
845 .open = smb_traffic_analyzer_open,
846 .rmdir = smb_traffic_analyzer_rmdir,
847 .close_fn = smb_traffic_analyzer_close
848 };
849
850 /* Module initialization */
851 NTSTATUS vfs_smb_traffic_analyzer_init(void)
852 {
853 NTSTATUS ret = smb_register_vfs(SMB_VFS_INTERFACE_VERSION,
854 "smb_traffic_analyzer",
855 &vfs_smb_traffic_analyzer_fns);
856
857 if (!NT_STATUS_IS_OK(ret)) {
858 return ret;
859 }
860
861 vfs_smb_traffic_analyzer_debug_level =
862 debug_add_class("smb_traffic_analyzer");
863
864 if (vfs_smb_traffic_analyzer_debug_level == -1) {
865 vfs_smb_traffic_analyzer_debug_level = DBGC_VFS;
866 DEBUG(1, ("smb_traffic_analyzer_init: Couldn't register custom"
867 "debugging class!\n"));
868 } else {
869 DEBUG(3, ("smb_traffic_analyzer_init: Debug class number of"
870 "'smb_traffic_analyzer': %d\n", \
871 vfs_smb_traffic_analyzer_debug_level));
872 }
873
874 return ret;
875 }