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s3-printing: remove duplicate cups response processing code
[Samba.git] / source3 / modules / vfs_smb_traffic_analyzer.c
blobf3d68ddee9b2ee51da991f94a4ecf53288eceee3
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 "../smbd/globals.h"
24 #include "../lib/crypto/crypto.h"
25 #include "vfs_smb_traffic_analyzer.h"
26 #include "../libcli/security/security.h"
27 #include "secrets.h"
28 #include "../librpc/gen_ndr/ndr_netlogon.h"
29
30 /* abstraction for the send_over_network function */
31 enum sock_type {INTERNET_SOCKET = 0, UNIX_DOMAIN_SOCKET};
32
33 #define LOCAL_PATHNAME "/var/tmp/stadsocket"
34
35 static int vfs_smb_traffic_analyzer_debug_level = DBGC_VFS;
36
37 static enum sock_type smb_traffic_analyzer_connMode(vfs_handle_struct *handle)
38 {
39 connection_struct *conn = handle->conn;
40 const char *Mode;
41 Mode=lp_parm_const_string(SNUM(conn), "smb_traffic_analyzer","mode", \
42 "internet_socket");
43 if (strstr(Mode,"unix_domain_socket")) {
44 return UNIX_DOMAIN_SOCKET;
45 } else {
46 return INTERNET_SOCKET;
47 }
48 }
49
50
51 /* Connect to an internet socket */
52 static int smb_traffic_analyzer_connect_inet_socket(vfs_handle_struct *handle,
53 const char *name, uint16_t port)
54 {
55 /* Create a streaming Socket */
56 int sockfd = -1;
57 struct addrinfo hints;
58 struct addrinfo *ailist = NULL;
59 struct addrinfo *res = NULL;
60 int ret;
61
62 ZERO_STRUCT(hints);
63 /* By default make sure it supports TCP. */
64 hints.ai_socktype = SOCK_STREAM;
65 hints.ai_flags = AI_ADDRCONFIG;
66
67 ret = getaddrinfo(name,
68 NULL,
69 &hints,
70 &ailist);
71
72 if (ret) {
73 DEBUG(3,("smb_traffic_analyzer_connect_inet_socket: "
74 "getaddrinfo failed for name %s [%s]\n",
75 name,
76 gai_strerror(ret) ));
77 return -1;
78 }
79
80 DEBUG(3,("smb_traffic_analyzer: Internet socket mode. Hostname: %s,"
81 "Port: %i\n", name, port));
82
83 for (res = ailist; res; res = res->ai_next) {
84 struct sockaddr_storage ss;
85 NTSTATUS status;
86
87 if (!res->ai_addr || res->ai_addrlen == 0) {
88 continue;
89 }
90
91 ZERO_STRUCT(ss);
92 memcpy(&ss, res->ai_addr, res->ai_addrlen);
93
94 status = open_socket_out(&ss, port, 10000, &sockfd);
95 if (NT_STATUS_IS_OK(status)) {
96 break;
97 }
98 }
99
100 if (ailist) {
101 freeaddrinfo(ailist);
102 }
103
104 if (sockfd == -1) {
105 DEBUG(1, ("smb_traffic_analyzer: unable to create "
106 "socket, error is %s",
107 strerror(errno)));
108 return -1;
109 }
110
111 return sockfd;
112 }
113
114 /* Connect to a unix domain socket */
115 static int smb_traffic_analyzer_connect_unix_socket(vfs_handle_struct *handle,
116 const char *name)
117 {
118 /* Create the socket to stad */
119 int len, sock;
120 struct sockaddr_un remote;
121
122 DEBUG(7, ("smb_traffic_analyzer_connect_unix_socket: "
123 "Unix domain socket mode. Using %s\n",
124 name ));
125
126 if ((sock = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
127 DEBUG(1, ("smb_traffic_analyzer_connect_unix_socket: "
128 "Couldn't create socket, "
129 "make sure stad is running!\n"));
130 return -1;
131 }
132 remote.sun_family = AF_UNIX;
133 strlcpy(remote.sun_path, name,
134 sizeof(remote.sun_path));
135 len=strlen(remote.sun_path) + sizeof(remote.sun_family);
136 if (connect(sock, (struct sockaddr *)&remote, len) == -1 ) {
137 DEBUG(1, ("smb_traffic_analyzer_connect_unix_socket: "
138 "Could not connect to "
139 "socket, make sure\nstad is running!\n"));
140 close(sock);
141 return -1;
142 }
143 return sock;
144 }
145
146 /* Private data allowing shared connection sockets. */
147 struct refcounted_sock {
148 struct refcounted_sock *next, *prev;
149 char *name;
150 uint16_t port;
151 int sock;
152 unsigned int ref_count;
153 };
154
155
156 /**
157 * Encryption of a data block with AES
158 * TALLOC_CTX *ctx Talloc context to work on
159 * const char *akey 128bit key for the encryption
160 * const char *str Data buffer to encrypt, \0 terminated
161 * int *len Will be set to the length of the
162 * resulting data block
163 * The caller has to take care for the memory
164 * allocated on the context.
165 */
166 static char *smb_traffic_analyzer_encrypt( TALLOC_CTX *ctx,
167 const char *akey, const char *str, size_t *len)
168 {
169 int s1,s2,h,d;
170 AES_KEY key;
171 unsigned char filler[17]= "................";
172 char *output;
173 unsigned char crypted[18];
174 if (akey == NULL) return NULL;
175 samba_AES_set_encrypt_key((unsigned char *) akey, 128, &key);
176 s1 = strlen(str) / 16;
177 s2 = strlen(str) % 16;
178 for (h = 0; h < s2; h++) *(filler+h)=*(str+(s1*16)+h);
179 DEBUG(10, ("smb_traffic_analyzer_send_data_socket: created %s"
180 " as filling block.\n", filler));
181 output = talloc_array(ctx, char, (s1*16)+17 );
182 d=0;
183 for (h = 0; h < s1; h++) {
184 samba_AES_encrypt((unsigned char *) str+(16*h), crypted, &key);
185 for (d = 0; d<16; d++) output[d+(16*h)]=crypted[d];
186 }
187 samba_AES_encrypt( (unsigned char *) str+(16*h), filler, &key );
188 for (d = 0;d < 16; d++) output[d+(16*h)]=*(filler+d);
189 *len = (s1*16)+16;
190 return output;
191 }
192
193 /**
194 * Create a v2 header.
195 * TALLLOC_CTX *ctx Talloc context to work on
196 * const char *state_flags State flag string
197 * int len length of the data block
198 */
199 static char *smb_traffic_analyzer_create_header( TALLOC_CTX *ctx,
200 const char *state_flags, size_t data_len)
201 {
202 char *header = talloc_asprintf( ctx, "V2.%s%017u",
203 state_flags, (unsigned int) data_len);
204 DEBUG(10, ("smb_traffic_analyzer_send_data_socket: created Header:\n"));
205 dump_data(10, (uint8_t *)header, strlen(header));
206 return header;
207 }
208
209
210 /**
211 * Actually send header and data over the network
212 * char *header Header data
213 * char *data Data Block
214 * int dlength Length of data block
215 * int socket
216 */
217 static void smb_traffic_analyzer_write_data( char *header, char *data,
218 int dlength, int _socket)
219 {
220 int len = strlen(header);
221 if (write_data( _socket, header, len) != len) {
222 DEBUG(1, ("smb_traffic_analyzer_send_data_socket: "
223 "error sending the header"
224 " over the socket!\n"));
225 }
226 DEBUG(10,("smb_traffic_analyzer_write_data: sending data:\n"));
227 dump_data( 10, (uint8_t *)data, dlength);
228
229 if (write_data( _socket, data, dlength) != dlength) {
230 DEBUG(1, ("smb_traffic_analyzer_write_data: "
231 "error sending crypted data to socket!\n"));
232 }
233 }
234
235
236 /*
237 * Anonymize a string if required.
238 * TALLOC_CTX *ctx The talloc context to work on
239 * const char *str The string to anonymize
240 * vfs_handle_struct *handle The handle struct to work on
241 *
242 * Returns a newly allocated string, either the anonymized one,
243 * or a copy of const char *str. The caller has to take care for
244 * freeing the allocated memory.
245 */
246 static char *smb_traffic_analyzer_anonymize( TALLOC_CTX *ctx,
247 const char *str,
248 vfs_handle_struct *handle )
249 {
250 const char *total_anonymization;
251 const char *anon_prefix;
252 char *output;
253 total_anonymization=lp_parm_const_string(SNUM(handle->conn),
254 "smb_traffic_analyzer",
255 "total_anonymization", NULL);
256
257 anon_prefix=lp_parm_const_string(SNUM(handle->conn),
258 "smb_traffic_analyzer",
259 "anonymize_prefix", NULL );
260 if (anon_prefix != NULL) {
261 if (total_anonymization != NULL) {
262 output = talloc_asprintf(ctx, "%s",
263 anon_prefix);
264 } else {
265 output = talloc_asprintf(ctx, "%s%i", anon_prefix,
266 str_checksum(str));
267 }
268 } else {
269 output = talloc_asprintf(ctx, "%s", str);
270 }
271
272 return output;
273 }
274
275
276 /**
277 * The marshalling function for protocol v2.
278 * TALLOC_CTX *ctx Talloc context to work on
279 * struct tm *tm tm struct for the timestamp
280 * int seconds milliseconds of the timestamp
281 * vfs_handle_struct *handle vfs_handle_struct
282 * char *username Name of the user
283 * int vfs_operation VFS operation identifier
284 * int count Number of the common data blocks
285 * [...] variable args data blocks taken from the individual
286 * VFS data structures
287 *
288 * Returns the complete data block to send. The caller has to
289 * take care for freeing the allocated buffer.
290 */
291 static char *smb_traffic_analyzer_create_string( TALLOC_CTX *ctx,
292 struct tm *tm, int seconds, vfs_handle_struct *handle, \
293 char *username, int vfs_operation, int count, ... )
294 {
295
296 va_list ap;
297 char *arg = NULL;
298 int len;
299 char *common_data_count_str = NULL;
300 char *timestr = NULL;
301 char *sidstr = NULL;
302 char *usersid = NULL;
303 char *buf = NULL;
304 char *vfs_operation_str = NULL;
305 const char *service_name = lp_const_servicename(handle->conn->params->service);
306
307 /*
308 * first create the data that is transfered with any VFS op
309 * These are, in the following order:
310 *(0) number of data to come [6 in v2.0]
311 * 1.vfs_operation identifier
312 * 2.username
313 * 3.user-SID
314 * 4.affected share
315 * 5.domain
316 * 6.timestamp
317 * 7.IP Addresss of client
318 */
319
320 /*
321 * number of common data blocks to come,
322 * this is a #define in vfs_smb_traffic_anaylzer.h,
323 * it's length is known at compile time
324 */
325 common_data_count_str = talloc_strdup( ctx, SMBTA_COMMON_DATA_COUNT);
326 /* vfs operation identifier */
327 vfs_operation_str = talloc_asprintf( common_data_count_str, "%i",
328 vfs_operation);
329 /*
330 * Handle anonymization. In protocol v2, we have to anonymize
331 * both the SID and the username. The name is already
332 * anonymized if needed, by the calling function.
333 */
334 usersid = dom_sid_string( common_data_count_str,
335 &handle->conn->session_info->security_token->sids[0]);
336
337 sidstr = smb_traffic_analyzer_anonymize(
338 common_data_count_str,
339 usersid,
340 handle);
341
342 /* time stamp */
343 timestr = talloc_asprintf( common_data_count_str, \
344 "%04d-%02d-%02d %02d:%02d:%02d.%03d", \
345 tm->tm_year+1900, \
346 tm->tm_mon+1, \
347 tm->tm_mday, \
348 tm->tm_hour, \
349 tm->tm_min, \
350 tm->tm_sec, \
351 (int)seconds);
352 len = strlen( timestr );
353 /* create the string of common data */
354 buf = talloc_asprintf(ctx,
355 "%s%04u%s%04u%s%04u%s%04u%s%04u%s%04u%s%04u%s",
356 common_data_count_str,
357 (unsigned int) strlen(vfs_operation_str),
358 vfs_operation_str,
359 (unsigned int) strlen(username),
360 username,
361 (unsigned int) strlen(sidstr),
362 sidstr,
363 (unsigned int) strlen(service_name),
364 service_name,
365 (unsigned int)
366 strlen(handle->conn->session_info->info3->base.domain.string),
367 handle->conn->session_info->info3->base.domain.string,
368 (unsigned int) strlen(timestr),
369 timestr,
370 (unsigned int) strlen(handle->conn->sconn->client_id.addr),
371 handle->conn->sconn->client_id.addr);
372
373 talloc_free(common_data_count_str);
374
375 /* data blocks depending on the VFS function */
376 va_start( ap, count );
377 while ( count-- ) {
378 arg = va_arg( ap, char * );
379 /*
380 * protocol v2 sends a four byte string
381 * as a header to each block, including
382 * the numbers of bytes to come in the
383 * next string.
384 */
385 len = strlen( arg );
386 buf = talloc_asprintf_append( buf, "%04u%s", len, arg);
387 }
388 va_end( ap );
389 return buf;
390 }
391
392 static void smb_traffic_analyzer_send_data(vfs_handle_struct *handle,
393 void *data,
394 enum vfs_id vfs_operation )
395 {
396 struct refcounted_sock *rf_sock = NULL;
397 struct timeval tv;
398 time_t tv_sec;
399 struct tm *tm = NULL;
400 int seconds;
401 char *str = NULL;
402 char *username = NULL;
403 char *header = NULL;
404 const char *protocol_version = NULL;
405 bool Write = false;
406 size_t len;
407 size_t size;
408 char *akey, *output;
409
410 /*
411 * The state flags are part of the header
412 * and are descripted in the protocol description
413 * in vfs_smb_traffic_analyzer.h. They begin at byte
414 * 03 of the header.
415 */
416 char state_flags[9] = "000000\0";
417
418 SMB_VFS_HANDLE_GET_DATA(handle, rf_sock, struct refcounted_sock, return);
419
420 if (rf_sock == NULL || rf_sock->sock == -1) {
421 DEBUG(1, ("smb_traffic_analyzer_send_data: socket is "
422 "closed\n"));
423 return;
424 }
425
426 GetTimeOfDay(&tv);
427 tv_sec = tv.tv_sec;
428 tm = localtime(&tv_sec);
429 if (!tm) {
430 return;
431 }
432 seconds=(float) (tv.tv_usec / 1000);
433
434 /*
435 * Check if anonymization is required, and if yes do this only for
436 * the username here, needed vor protocol version 1. In v2 we
437 * additionally anonymize the SID, which is done in it's marshalling
438 * function.
439 */
440 username = smb_traffic_analyzer_anonymize( talloc_tos(),
441 handle->conn->session_info->sanitized_username,
442 handle);
443
444 if (!username) {
445 return;
446 }
447
448 protocol_version = lp_parm_const_string(SNUM(handle->conn),
449 "smb_traffic_analyzer",
450 "protocol_version", NULL );
451
452
453 if ( protocol_version == NULL || strcmp( protocol_version,"V1") == 0) {
454
455 struct rw_data *s_data = (struct rw_data *) data;
456
457 /*
458 * in case of protocol v1, ignore any vfs operations
459 * except read,pread,write,pwrite, and set the "Write"
460 * bool accordingly, send data and return.
461 */
462 if ( vfs_operation > vfs_id_pwrite ) return;
463
464 if ( vfs_operation <= vfs_id_pread ) Write=false;
465 else Write=true;
466
467 str = talloc_asprintf(talloc_tos(),
468 "V1,%u,\"%s\",\"%s\",\"%c\",\"%s\",\"%s\","
469 "\"%04d-%02d-%02d %02d:%02d:%02d.%03d\"\n",
470 (unsigned int) s_data->len,
471 username,
472 handle->conn->session_info->info3->base.domain.string,
473 Write ? 'W' : 'R',
474 handle->conn->connectpath,
475 s_data->filename,
476 tm->tm_year+1900,
477 tm->tm_mon+1,
478 tm->tm_mday,
479 tm->tm_hour,
480 tm->tm_min,
481 tm->tm_sec,
482 (int)seconds);
483 len = strlen(str);
484 if (write_data(rf_sock->sock, str, len) != len) {
485 DEBUG(1, ("smb_traffic_analyzer_send_data_socket: "
486 "error sending V1 protocol data to socket!\n"));
487 return;
488 }
489
490 } else if ( strcmp( protocol_version, "V2") == 0) {
491
492 switch( vfs_operation ) {
493 case vfs_id_open: ;
494 str = smb_traffic_analyzer_create_string( talloc_tos(),
495 tm, seconds, handle, username, vfs_id_open,
496 3, ((struct open_data *) data)->filename,
497 talloc_asprintf( talloc_tos(), "%u",
498 ((struct open_data *) data)->mode),
499 talloc_asprintf( talloc_tos(), "%u",
500 ((struct open_data *) data)->result));
501 break;
502 case vfs_id_close: ;
503 str = smb_traffic_analyzer_create_string( talloc_tos(),
504 tm, seconds, handle, username, vfs_id_close,
505 2, ((struct close_data *) data)->filename,
506 talloc_asprintf( talloc_tos(), "%u",
507 ((struct close_data *) data)->result));
508 break;
509 case vfs_id_mkdir: ;
510 str = smb_traffic_analyzer_create_string( talloc_tos(),
511 tm, seconds, handle, username, vfs_id_mkdir, \
512 3, ((struct mkdir_data *) data)->path, \
513 talloc_asprintf( talloc_tos(), "%u", \
514 ((struct mkdir_data *) data)->mode), \
515 talloc_asprintf( talloc_tos(), "%u", \
516 ((struct mkdir_data *) data)->result ));
517 break;
518 case vfs_id_rmdir: ;
519 str = smb_traffic_analyzer_create_string( talloc_tos(),
520 tm, seconds, handle, username, vfs_id_rmdir,
521 2, ((struct rmdir_data *) data)->path, \
522 talloc_asprintf( talloc_tos(), "%u", \
523 ((struct rmdir_data *) data)->result ));
524 break;
525 case vfs_id_rename: ;
526 str = smb_traffic_analyzer_create_string( talloc_tos(),
527 tm, seconds, handle, username, vfs_id_rename,
528 3, ((struct rename_data *) data)->src, \
529 ((struct rename_data *) data)->dst,
530 talloc_asprintf(talloc_tos(), "%u", \
531 ((struct rename_data *) data)->result));
532 break;
533 case vfs_id_chdir: ;
534 str = smb_traffic_analyzer_create_string( talloc_tos(),
535 tm, seconds, handle, username, vfs_id_chdir,
536 2, ((struct chdir_data *) data)->path, \
537 talloc_asprintf(talloc_tos(), "%u", \
538 ((struct chdir_data *) data)->result));
539 break;
540
541 case vfs_id_write:
542 case vfs_id_pwrite:
543 case vfs_id_read:
544 case vfs_id_pread: ;
545 str = smb_traffic_analyzer_create_string( talloc_tos(),
546 tm, seconds, handle, username, vfs_operation,
547 2, ((struct rw_data *) data)->filename, \
548 talloc_asprintf(talloc_tos(), "%u", \
549 (unsigned int)
550 ((struct rw_data *) data)->len));
551 break;
552 default:
553 DEBUG(1, ("smb_traffic_analyzer: error! "
554 "wrong VFS operation id detected!\n"));
555 return;
556 }
557
558 } else {
559 DEBUG(1, ("smb_traffic_analyzer_send_data_socket: "
560 "error, unknown protocol given!\n"));
561 return;
562 }
563
564 if (!str) {
565 DEBUG(1, ("smb_traffic_analyzer_send_data: "
566 "unable to create string to send!\n"));
567 return;
568 }
569
570
571 /*
572 * If configured, optain the key and run AES encryption
573 * over the data.
574 */
575 become_root();
576 akey = (char *) secrets_fetch("smb_traffic_analyzer_key", &size);
577 unbecome_root();
578 if ( akey != NULL ) {
579 state_flags[2] = 'E';
580 DEBUG(10, ("smb_traffic_analyzer_send_data_socket: a key was"
581 " found, encrypting data!\n"));
582 output = smb_traffic_analyzer_encrypt( talloc_tos(),
583 akey, str, &len);
584 header = smb_traffic_analyzer_create_header( talloc_tos(),
585 state_flags, len);
586
587 DEBUG(10, ("smb_traffic_analyzer_send_data_socket:"
588 " header created for crypted data: %s\n", header));
589 smb_traffic_analyzer_write_data(header, output, len,
590 rf_sock->sock);
591 return;
592
593 }
594
595 len = strlen(str);
596 header = smb_traffic_analyzer_create_header( talloc_tos(),
597 state_flags, len);
598 smb_traffic_analyzer_write_data(header, str, strlen(str),
599 rf_sock->sock);
600
601 }
602
603 static struct refcounted_sock *sock_list;
604
605 static void smb_traffic_analyzer_free_data(void **pptr)
606 {
607 struct refcounted_sock *rf_sock = *(struct refcounted_sock **)pptr;
608 if (rf_sock == NULL) {
609 return;
610 }
611 rf_sock->ref_count--;
612 if (rf_sock->ref_count != 0) {
613 return;
614 }
615 if (rf_sock->sock != -1) {
616 close(rf_sock->sock);
617 }
618 DLIST_REMOVE(sock_list, rf_sock);
619 TALLOC_FREE(rf_sock);
620 }
621
622 static int smb_traffic_analyzer_connect(struct vfs_handle_struct *handle,
623 const char *service,
624 const char *user)
625 {
626 connection_struct *conn = handle->conn;
627 enum sock_type st = smb_traffic_analyzer_connMode(handle);
628 struct refcounted_sock *rf_sock = NULL;
629 const char *name = (st == UNIX_DOMAIN_SOCKET) ? LOCAL_PATHNAME :
630 lp_parm_const_string(SNUM(conn),
631 "smb_traffic_analyzer",
632 "host", "localhost");
633 uint16_t port = (st == UNIX_DOMAIN_SOCKET) ? 0 :
634 atoi( lp_parm_const_string(SNUM(conn),
635 "smb_traffic_analyzer", "port", "9430"));
636 int ret = SMB_VFS_NEXT_CONNECT(handle, service, user);
637
638 if (ret < 0) {
639 return ret;
640 }
641
642 /* Are we already connected ? */
643 for (rf_sock = sock_list; rf_sock; rf_sock = rf_sock->next) {
644 if (port == rf_sock->port &&
645 (strcmp(name, rf_sock->name) == 0)) {
646 break;
647 }
648 }
649
650 /* If we're connected already, just increase the
651 * reference count. */
652 if (rf_sock) {
653 rf_sock->ref_count++;
654 } else {
655 /* New connection. */
656 rf_sock = TALLOC_ZERO_P(NULL, struct refcounted_sock);
657 if (rf_sock == NULL) {
658 SMB_VFS_NEXT_DISCONNECT(handle);
659 errno = ENOMEM;
660 return -1;
661 }
662 rf_sock->name = talloc_strdup(rf_sock, name);
663 if (rf_sock->name == NULL) {
664 SMB_VFS_NEXT_DISCONNECT(handle);
665 TALLOC_FREE(rf_sock);
666 errno = ENOMEM;
667 return -1;
668 }
669 rf_sock->port = port;
670 rf_sock->ref_count = 1;
671
672 if (st == UNIX_DOMAIN_SOCKET) {
673 rf_sock->sock = smb_traffic_analyzer_connect_unix_socket(handle,
674 name);
675 } else {
676
677 rf_sock->sock = smb_traffic_analyzer_connect_inet_socket(handle,
678 name,
679 port);
680 }
681 if (rf_sock->sock == -1) {
682 SMB_VFS_NEXT_DISCONNECT(handle);
683 TALLOC_FREE(rf_sock);
684 return -1;
685 }
686 DLIST_ADD(sock_list, rf_sock);
687 }
688
689 /* Store the private data. */
690 SMB_VFS_HANDLE_SET_DATA(handle, rf_sock, smb_traffic_analyzer_free_data,
691 struct refcounted_sock, return -1);
692 return 0;
693 }
694
695 /* VFS Functions */
696 static int smb_traffic_analyzer_chdir(vfs_handle_struct *handle, \
697 const char *path)
698 {
699 struct chdir_data s_data;
700 s_data.result = SMB_VFS_NEXT_CHDIR(handle, path);
701 s_data.path = path;
702 DEBUG(10, ("smb_traffic_analyzer_chdir: CHDIR: %s\n", path));
703 smb_traffic_analyzer_send_data(handle, &s_data, vfs_id_chdir);
704 return s_data.result;
705 }
706
707 static int smb_traffic_analyzer_rename(vfs_handle_struct *handle, \
708 const struct smb_filename *smb_fname_src,
709 const struct smb_filename *smb_fname_dst)
710 {
711 struct rename_data s_data;
712 s_data.result = SMB_VFS_NEXT_RENAME(handle, smb_fname_src, \
713 smb_fname_dst);
714 s_data.src = smb_fname_src->base_name;
715 s_data.dst = smb_fname_dst->base_name;
716 DEBUG(10, ("smb_traffic_analyzer_rename: RENAME: %s / %s\n",
717 smb_fname_src->base_name,
718 smb_fname_dst->base_name));
719 smb_traffic_analyzer_send_data(handle, &s_data, vfs_id_rename);
720 return s_data.result;
721 }
722
723 static int smb_traffic_analyzer_rmdir(vfs_handle_struct *handle, \
724 const char *path)
725 {
726 struct rmdir_data s_data;
727 s_data.result = SMB_VFS_NEXT_RMDIR(handle, path);
728 s_data.path = path;
729 DEBUG(10, ("smb_traffic_analyzer_rmdir: RMDIR: %s\n", path));
730 smb_traffic_analyzer_send_data(handle, &s_data, vfs_id_rmdir);
731 return s_data.result;
732 }
733
734 static int smb_traffic_analyzer_mkdir(vfs_handle_struct *handle, \
735 const char *path, mode_t mode)
736 {
737 struct mkdir_data s_data;
738 s_data.result = SMB_VFS_NEXT_MKDIR(handle, path, mode);
739 s_data.path = path;
740 s_data.mode = mode;
741 DEBUG(10, ("smb_traffic_analyzer_mkdir: MKDIR: %s\n", path));
742 smb_traffic_analyzer_send_data(handle,
743 &s_data,
744 vfs_id_mkdir);
745 return s_data.result;
746 }
747
748 static ssize_t smb_traffic_analyzer_read(vfs_handle_struct *handle, \
749 files_struct *fsp, void *data, size_t n)
750 {
751 struct rw_data s_data;
752
753 s_data.len = SMB_VFS_NEXT_READ(handle, fsp, data, n);
754 s_data.filename = fsp->fsp_name->base_name;
755 DEBUG(10, ("smb_traffic_analyzer_read: READ: %s\n", fsp_str_dbg(fsp)));
756
757 smb_traffic_analyzer_send_data(handle,
758 &s_data,
759 vfs_id_read);
760 return s_data.len;
761 }
762
763
764 static ssize_t smb_traffic_analyzer_pread(vfs_handle_struct *handle, \
765 files_struct *fsp, void *data, size_t n, SMB_OFF_T offset)
766 {
767 struct rw_data s_data;
768
769 s_data.len = SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
770 s_data.filename = fsp->fsp_name->base_name;
771 DEBUG(10, ("smb_traffic_analyzer_pread: PREAD: %s\n",
772 fsp_str_dbg(fsp)));
773
774 smb_traffic_analyzer_send_data(handle,
775 &s_data,
776 vfs_id_pread);
777
778 return s_data.len;
779 }
780
781 static ssize_t smb_traffic_analyzer_write(vfs_handle_struct *handle, \
782 files_struct *fsp, const void *data, size_t n)
783 {
784 struct rw_data s_data;
785
786 s_data.len = SMB_VFS_NEXT_WRITE(handle, fsp, data, n);
787 s_data.filename = fsp->fsp_name->base_name;
788 DEBUG(10, ("smb_traffic_analyzer_write: WRITE: %s\n",
789 fsp_str_dbg(fsp)));
790
791 smb_traffic_analyzer_send_data(handle,
792 &s_data,
793 vfs_id_write);
794 return s_data.len;
795 }
796
797 static ssize_t smb_traffic_analyzer_pwrite(vfs_handle_struct *handle, \
798 files_struct *fsp, const void *data, size_t n, SMB_OFF_T offset)
799 {
800 struct rw_data s_data;
801
802 s_data.len = SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
803 s_data.filename = fsp->fsp_name->base_name;
804 DEBUG(10, ("smb_traffic_analyzer_pwrite: PWRITE: %s\n", \
805 fsp_str_dbg(fsp)));
806
807 smb_traffic_analyzer_send_data(handle,
808 &s_data,
809 vfs_id_pwrite);
810 return s_data.len;
811 }
812
813 static int smb_traffic_analyzer_open(vfs_handle_struct *handle, \
814 struct smb_filename *smb_fname, files_struct *fsp,\
815 int flags, mode_t mode)
816 {
817 struct open_data s_data;
818
819 s_data.result = SMB_VFS_NEXT_OPEN( handle, smb_fname, fsp,
820 flags, mode);
821 DEBUG(10,("smb_traffic_analyzer_open: OPEN: %s\n",
822 fsp_str_dbg(fsp)));
823 s_data.filename = fsp->fsp_name->base_name;
824 s_data.mode = mode;
825 smb_traffic_analyzer_send_data(handle,
826 &s_data,
827 vfs_id_open);
828 return s_data.result;
829 }
830
831 static int smb_traffic_analyzer_close(vfs_handle_struct *handle, \
832 files_struct *fsp)
833 {
834 struct close_data s_data;
835 s_data.result = SMB_VFS_NEXT_CLOSE(handle, fsp);
836 DEBUG(10,("smb_traffic_analyzer_close: CLOSE: %s\n",
837 fsp_str_dbg(fsp)));
838 s_data.filename = fsp->fsp_name->base_name;
839 smb_traffic_analyzer_send_data(handle,
840 &s_data,
841 vfs_id_close);
842 return s_data.result;
843 }
844
845
846 static struct vfs_fn_pointers vfs_smb_traffic_analyzer_fns = {
847 .connect_fn = smb_traffic_analyzer_connect,
848 .vfs_read = smb_traffic_analyzer_read,
849 .pread = smb_traffic_analyzer_pread,
850 .write = smb_traffic_analyzer_write,
851 .pwrite = smb_traffic_analyzer_pwrite,
852 .mkdir = smb_traffic_analyzer_mkdir,
853 .rename = smb_traffic_analyzer_rename,
854 .chdir = smb_traffic_analyzer_chdir,
855 .open = smb_traffic_analyzer_open,
856 .rmdir = smb_traffic_analyzer_rmdir,
857 .close_fn = smb_traffic_analyzer_close
858 };
859
860 /* Module initialization */
861 NTSTATUS vfs_smb_traffic_analyzer_init(void)
862 {
863 NTSTATUS ret = smb_register_vfs(SMB_VFS_INTERFACE_VERSION,
864 "smb_traffic_analyzer",
865 &vfs_smb_traffic_analyzer_fns);
866
867 if (!NT_STATUS_IS_OK(ret)) {
868 return ret;
869 }
870
871 vfs_smb_traffic_analyzer_debug_level =
872 debug_add_class("smb_traffic_analyzer");
873
874 if (vfs_smb_traffic_analyzer_debug_level == -1) {
875 vfs_smb_traffic_analyzer_debug_level = DBGC_VFS;
876 DEBUG(1, ("smb_traffic_analyzer_init: Couldn't register custom"
877 "debugging class!\n"));
878 } else {
879 DEBUG(3, ("smb_traffic_analyzer_init: Debug class number of"
880 "'smb_traffic_analyzer': %d\n", \
881 vfs_smb_traffic_analyzer_debug_level));
882 }
883
884 return ret;
885 }
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