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Now make_connection_snum() is a static function that takes a
[Samba/gebeck_regimport.git] / source3 / modules / vfs_smb_traffic_analyzer.c
blob4d1ffbd06dedd86909dc9d9023b89486b652b2f6
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/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"
28 #include "secrets.h"
29 #include "../librpc/gen_ndr/ndr_netlogon.h"
30 #include "auth.h"
31 #include "../lib/tsocket/tsocket.h"
32
33 /* abstraction for the send_over_network function */
34 enum sock_type {INTERNET_SOCKET = 0, UNIX_DOMAIN_SOCKET};
35
36 #define LOCAL_PATHNAME "/var/tmp/stadsocket"
37
38 static int vfs_smb_traffic_analyzer_debug_level = DBGC_VFS;
39
40 static enum sock_type smb_traffic_analyzer_connMode(vfs_handle_struct *handle)
41 {
42 connection_struct *conn = handle->conn;
43 const char *Mode;
44 Mode=lp_parm_const_string(SNUM(conn), "smb_traffic_analyzer","mode", \
45 "internet_socket");
46 if (strstr(Mode,"unix_domain_socket")) {
47 return UNIX_DOMAIN_SOCKET;
48 } else {
49 return INTERNET_SOCKET;
50 }
51 }
52
53
54 /* Connect to an internet socket */
55 static int smb_traffic_analyzer_connect_inet_socket(vfs_handle_struct *handle,
56 const char *name, uint16_t port)
57 {
58 /* Create a streaming Socket */
59 int sockfd = -1;
60 struct addrinfo hints;
61 struct addrinfo *ailist = NULL;
62 struct addrinfo *res = NULL;
63 int ret;
64
65 ZERO_STRUCT(hints);
66 /* By default make sure it supports TCP. */
67 hints.ai_socktype = SOCK_STREAM;
68 hints.ai_flags = AI_ADDRCONFIG;
69
70 ret = getaddrinfo(name,
71 NULL,
72 &hints,
73 &ailist);
74
75 if (ret) {
76 DEBUG(3,("smb_traffic_analyzer_connect_inet_socket: "
77 "getaddrinfo failed for name %s [%s]\n",
78 name,
79 gai_strerror(ret) ));
80 return -1;
81 }
82
83 DEBUG(3,("smb_traffic_analyzer: Internet socket mode. Hostname: %s,"
84 "Port: %i\n", name, port));
85
86 for (res = ailist; res; res = res->ai_next) {
87 struct sockaddr_storage ss;
88 NTSTATUS status;
89
90 if (!res->ai_addr || res->ai_addrlen == 0) {
91 continue;
92 }
93
94 ZERO_STRUCT(ss);
95 memcpy(&ss, res->ai_addr, res->ai_addrlen);
96
97 status = open_socket_out(&ss, port, 10000, &sockfd);
98 if (NT_STATUS_IS_OK(status)) {
99 break;
100 }
101 }
102
103 if (ailist) {
104 freeaddrinfo(ailist);
105 }
106
107 if (sockfd == -1) {
108 DEBUG(1, ("smb_traffic_analyzer: unable to create "
109 "socket, error is %s",
110 strerror(errno)));
111 return -1;
112 }
113
114 return sockfd;
115 }
116
117 /* Connect to a unix domain socket */
118 static int smb_traffic_analyzer_connect_unix_socket(vfs_handle_struct *handle,
119 const char *name)
120 {
121 /* Create the socket to stad */
122 int len, sock;
123 struct sockaddr_un remote;
124
125 DEBUG(7, ("smb_traffic_analyzer_connect_unix_socket: "
126 "Unix domain socket mode. Using %s\n",
127 name ));
128
129 if ((sock = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
130 DEBUG(1, ("smb_traffic_analyzer_connect_unix_socket: "
131 "Couldn't create socket, "
132 "make sure stad is running!\n"));
133 return -1;
134 }
135 remote.sun_family = AF_UNIX;
136 strlcpy(remote.sun_path, name,
137 sizeof(remote.sun_path));
138 len=strlen(remote.sun_path) + sizeof(remote.sun_family);
139 if (connect(sock, (struct sockaddr *)&remote, len) == -1 ) {
140 DEBUG(1, ("smb_traffic_analyzer_connect_unix_socket: "
141 "Could not connect to "
142 "socket, make sure\nstad is running!\n"));
143 close(sock);
144 return -1;
145 }
146 return sock;
147 }
148
149 /* Private data allowing shared connection sockets. */
150 struct refcounted_sock {
151 struct refcounted_sock *next, *prev;
152 char *name;
153 uint16_t port;
154 int sock;
155 unsigned int ref_count;
156 };
157
158
159 /**
160 * Encryption of a data block with AES
161 * TALLOC_CTX *ctx Talloc context to work on
162 * const char *akey 128bit key for the encryption
163 * const char *str Data buffer to encrypt, \0 terminated
164 * int *len Will be set to the length of the
165 * resulting data block
166 * The caller has to take care for the memory
167 * allocated on the context.
168 */
169 static char *smb_traffic_analyzer_encrypt( TALLOC_CTX *ctx,
170 const char *akey, const char *str, size_t *len)
171 {
172 int s1,s2,h,d;
173 AES_KEY key;
174 unsigned char filler[17]= "................";
175 char *output;
176 unsigned char crypted[18];
177 if (akey == NULL) return NULL;
178 samba_AES_set_encrypt_key((const unsigned char *) akey, 128, &key);
179 s1 = strlen(str) / 16;
180 s2 = strlen(str) % 16;
181 for (h = 0; h < s2; h++) *(filler+h)=*(str+(s1*16)+h);
182 DEBUG(10, ("smb_traffic_analyzer_send_data_socket: created %s"
183 " as filling block.\n", filler));
184 output = talloc_array(ctx, char, (s1*16)+17 );
185 d=0;
186 for (h = 0; h < s1; h++) {
187 samba_AES_encrypt((const unsigned char *) str+(16*h), crypted, &key);
188 for (d = 0; d<16; d++) output[d+(16*h)]=crypted[d];
189 }
190 samba_AES_encrypt( (const unsigned char *) str+(16*h), filler, &key );
191 for (d = 0;d < 16; d++) output[d+(16*h)]=*(filler+d);
192 *len = (s1*16)+16;
193 return output;
194 }
195
196 /**
197 * Create a v2 header.
198 * TALLLOC_CTX *ctx Talloc context to work on
199 * const char *state_flags State flag string
200 * int len length of the data block
201 */
202 static char *smb_traffic_analyzer_create_header( TALLOC_CTX *ctx,
203 const char *state_flags, size_t data_len)
204 {
205 char *header = talloc_asprintf( ctx, "V2.%s%017u",
206 state_flags, (unsigned int) data_len);
207 DEBUG(10, ("smb_traffic_analyzer_send_data_socket: created Header:\n"));
208 dump_data(10, (uint8_t *)header, strlen(header));
209 return header;
210 }
211
212
213 /**
214 * Actually send header and data over the network
215 * char *header Header data
216 * char *data Data Block
217 * int dlength Length of data block
218 * int socket
219 */
220 static void smb_traffic_analyzer_write_data( char *header, char *data,
221 int dlength, int _socket)
222 {
223 int len = strlen(header);
224 if (write_data( _socket, header, len) != len) {
225 DEBUG(1, ("smb_traffic_analyzer_send_data_socket: "
226 "error sending the header"
227 " over the socket!\n"));
228 }
229 DEBUG(10,("smb_traffic_analyzer_write_data: sending data:\n"));
230 dump_data( 10, (uint8_t *)data, dlength);
231
232 if (write_data( _socket, data, dlength) != dlength) {
233 DEBUG(1, ("smb_traffic_analyzer_write_data: "
234 "error sending crypted data to socket!\n"));
235 }
236 }
237
238
239 /*
240 * Anonymize a string if required.
241 * TALLOC_CTX *ctx The talloc context to work on
242 * const char *str The string to anonymize
243 * vfs_handle_struct *handle The handle struct to work on
244 *
245 * Returns a newly allocated string, either the anonymized one,
246 * or a copy of const char *str. The caller has to take care for
247 * freeing the allocated memory.
248 */
249 static char *smb_traffic_analyzer_anonymize( TALLOC_CTX *ctx,
250 const char *str,
251 vfs_handle_struct *handle )
252 {
253 const char *total_anonymization;
254 const char *anon_prefix;
255 char *output;
256 total_anonymization=lp_parm_const_string(SNUM(handle->conn),
257 "smb_traffic_analyzer",
258 "total_anonymization", NULL);
259
260 anon_prefix=lp_parm_const_string(SNUM(handle->conn),
261 "smb_traffic_analyzer",
262 "anonymize_prefix", NULL );
263 if (anon_prefix != NULL) {
264 if (total_anonymization != NULL) {
265 output = talloc_asprintf(ctx, "%s",
266 anon_prefix);
267 } else {
268 output = talloc_asprintf(ctx, "%s%i", anon_prefix,
269 str_checksum(str));
270 }
271 } else {
272 output = talloc_asprintf(ctx, "%s", str);
273 }
274
275 return output;
276 }
277
278
279 /**
280 * The marshalling function for protocol v2.
281 * TALLOC_CTX *ctx Talloc context to work on
282 * struct tm *tm tm struct for the timestamp
283 * int seconds milliseconds of the timestamp
284 * vfs_handle_struct *handle vfs_handle_struct
285 * char *username Name of the user
286 * int vfs_operation VFS operation identifier
287 * int count Number of the common data blocks
288 * [...] variable args data blocks taken from the individual
289 * VFS data structures
290 *
291 * Returns the complete data block to send. The caller has to
292 * take care for freeing the allocated buffer.
293 */
294 static char *smb_traffic_analyzer_create_string( TALLOC_CTX *ctx,
295 struct tm *tm, int seconds, vfs_handle_struct *handle, \
296 char *username, int vfs_operation, int count, ... )
297 {
298
299 va_list ap;
300 char *arg = NULL;
301 int len;
302 char *common_data_count_str = NULL;
303 char *timestr = NULL;
304 char *sidstr = NULL;
305 char *usersid = NULL;
306 char *raddr = NULL;
307 char *buf = NULL;
308 char *vfs_operation_str = NULL;
309 const char *service_name = lp_const_servicename(handle->conn->params->service);
310
311 /*
312 * first create the data that is transfered with any VFS op
313 * These are, in the following order:
314 *(0) number of data to come [6 in v2.0]
315 * 1.vfs_operation identifier
316 * 2.username
317 * 3.user-SID
318 * 4.affected share
319 * 5.domain
320 * 6.timestamp
321 * 7.IP Addresss of client
322 */
323
324 /*
325 * number of common data blocks to come,
326 * this is a #define in vfs_smb_traffic_anaylzer.h,
327 * it's length is known at compile time
328 */
329 common_data_count_str = talloc_strdup( ctx, SMBTA_COMMON_DATA_COUNT);
330 /* vfs operation identifier */
331 vfs_operation_str = talloc_asprintf( common_data_count_str, "%i",
332 vfs_operation);
333 /*
334 * Handle anonymization. In protocol v2, we have to anonymize
335 * both the SID and the username. The name is already
336 * anonymized if needed, by the calling function.
337 */
338 usersid = dom_sid_string( common_data_count_str,
339 &handle->conn->session_info->security_token->sids[0]);
340
341 sidstr = smb_traffic_analyzer_anonymize(
342 common_data_count_str,
343 usersid,
344 handle);
345
346 raddr = tsocket_address_inet_addr_string(handle->conn->sconn->remote_address,
347 ctx);
348 if (raddr == NULL) {
349 return NULL;
350 }
351
352 /* time stamp */
353 timestr = talloc_asprintf( common_data_count_str, \
354 "%04d-%02d-%02d %02d:%02d:%02d.%03d", \
355 tm->tm_year+1900, \
356 tm->tm_mon+1, \
357 tm->tm_mday, \
358 tm->tm_hour, \
359 tm->tm_min, \
360 tm->tm_sec, \
361 (int)seconds);
362 len = strlen( timestr );
363 /* create the string of common data */
364 buf = talloc_asprintf(ctx,
365 "%s%04u%s%04u%s%04u%s%04u%s%04u%s%04u%s%04u%s",
366 common_data_count_str,
367 (unsigned int) strlen(vfs_operation_str),
368 vfs_operation_str,
369 (unsigned int) strlen(username),
370 username,
371 (unsigned int) strlen(sidstr),
372 sidstr,
373 (unsigned int) strlen(service_name),
374 service_name,
375 (unsigned int)
376 strlen(handle->conn->session_info->info->domain_name),
377 handle->conn->session_info->info->domain_name,
378 (unsigned int) strlen(timestr),
379 timestr,
380 (unsigned int) strlen(raddr),
381 raddr);
382
383 talloc_free(common_data_count_str);
384
385 /* data blocks depending on the VFS function */
386 va_start( ap, count );
387 while ( count-- ) {
388 arg = va_arg( ap, char * );
389 /*
390 * protocol v2 sends a four byte string
391 * as a header to each block, including
392 * the numbers of bytes to come in the
393 * next string.
394 */
395 len = strlen( arg );
396 buf = talloc_asprintf_append( buf, "%04u%s", len, arg);
397 }
398 va_end( ap );
399 return buf;
400 }
401
402 static void smb_traffic_analyzer_send_data(vfs_handle_struct *handle,
403 void *data,
404 enum vfs_id vfs_operation )
405 {
406 struct refcounted_sock *rf_sock = NULL;
407 struct timeval tv;
408 time_t tv_sec;
409 struct tm *tm = NULL;
410 int seconds;
411 char *str = NULL;
412 char *username = NULL;
413 char *header = NULL;
414 const char *protocol_version = NULL;
415 bool Write = false;
416 size_t len;
417 size_t size;
418 char *akey, *output;
419
420 /*
421 * The state flags are part of the header
422 * and are descripted in the protocol description
423 * in vfs_smb_traffic_analyzer.h. They begin at byte
424 * 03 of the header.
425 */
426 char state_flags[9] = "000000\0";
427
428 /**
429 * The first byte of the state flag string represents
430 * the modules protocol subversion number, defined
431 * in smb_traffic_analyzer.h. smbtatools/smbtad are designed
432 * to handle not yet implemented protocol enhancements
433 * by ignoring them. By recognizing the SMBTA_SUBRELEASE
434 * smbtatools can tell the user to update the client
435 * software.
436 */
437 state_flags[0] = SMBTA_SUBRELEASE;
438
439 SMB_VFS_HANDLE_GET_DATA(handle, rf_sock, struct refcounted_sock, return);
440
441 if (rf_sock == NULL || rf_sock->sock == -1) {
442 DEBUG(1, ("smb_traffic_analyzer_send_data: socket is "
443 "closed\n"));
444 return;
445 }
446
447 GetTimeOfDay(&tv);
448 tv_sec = tv.tv_sec;
449 tm = localtime(&tv_sec);
450 if (!tm) {
451 return;
452 }
453 seconds=(float) (tv.tv_usec / 1000);
454
455 /*
456 * Check if anonymization is required, and if yes do this only for
457 * the username here, needed vor protocol version 1. In v2 we
458 * additionally anonymize the SID, which is done in it's marshalling
459 * function.
460 */
461 username = smb_traffic_analyzer_anonymize( talloc_tos(),
462 handle->conn->session_info->unix_info->sanitized_username,
463 handle);
464
465 if (!username) {
466 return;
467 }
468
469 protocol_version = lp_parm_const_string(SNUM(handle->conn),
470 "smb_traffic_analyzer",
471 "protocol_version", NULL );
472
473
474 if (protocol_version != NULL && strcmp(protocol_version,"V1") == 0) {
475
476 struct rw_data *s_data = (struct rw_data *) data;
477
478 /*
479 * in case of protocol v1, ignore any vfs operations
480 * except read,pread,write,pwrite, and set the "Write"
481 * bool accordingly, send data and return.
482 */
483 if ( vfs_operation > vfs_id_pwrite ) return;
484
485 if ( vfs_operation <= vfs_id_pread ) Write=false;
486 else Write=true;
487
488 str = talloc_asprintf(talloc_tos(),
489 "V1,%u,\"%s\",\"%s\",\"%c\",\"%s\",\"%s\","
490 "\"%04d-%02d-%02d %02d:%02d:%02d.%03d\"\n",
491 (unsigned int) s_data->len,
492 username,
493 handle->conn->session_info->info->domain_name,
494 Write ? 'W' : 'R',
495 handle->conn->connectpath,
496 s_data->filename,
497 tm->tm_year+1900,
498 tm->tm_mon+1,
499 tm->tm_mday,
500 tm->tm_hour,
501 tm->tm_min,
502 tm->tm_sec,
503 (int)seconds);
504 len = strlen(str);
505 if (write_data(rf_sock->sock, str, len) != len) {
506 DEBUG(1, ("smb_traffic_analyzer_send_data_socket: "
507 "error sending V1 protocol data to socket!\n"));
508 return;
509 }
510
511 } else {
512 /**
513 * Protocol 2 is used by default.
514 */
515
516 switch( vfs_operation ) {
517 case vfs_id_open: ;
518 str = smb_traffic_analyzer_create_string( talloc_tos(),
519 tm, seconds, handle, username, vfs_id_open,
520 3, ((struct open_data *) data)->filename,
521 talloc_asprintf( talloc_tos(), "%u",
522 ((struct open_data *) data)->mode),
523 talloc_asprintf( talloc_tos(), "%u",
524 ((struct open_data *) data)->result));
525 break;
526 case vfs_id_close: ;
527 str = smb_traffic_analyzer_create_string( talloc_tos(),
528 tm, seconds, handle, username, vfs_id_close,
529 2, ((struct close_data *) data)->filename,
530 talloc_asprintf( talloc_tos(), "%u",
531 ((struct close_data *) data)->result));
532 break;
533 case vfs_id_mkdir: ;
534 str = smb_traffic_analyzer_create_string( talloc_tos(),
535 tm, seconds, handle, username, vfs_id_mkdir, \
536 3, ((struct mkdir_data *) data)->path, \
537 talloc_asprintf( talloc_tos(), "%u", \
538 ((struct mkdir_data *) data)->mode), \
539 talloc_asprintf( talloc_tos(), "%u", \
540 ((struct mkdir_data *) data)->result ));
541 break;
542 case vfs_id_rmdir: ;
543 str = smb_traffic_analyzer_create_string( talloc_tos(),
544 tm, seconds, handle, username, vfs_id_rmdir,
545 2, ((struct rmdir_data *) data)->path, \
546 talloc_asprintf( talloc_tos(), "%u", \
547 ((struct rmdir_data *) data)->result ));
548 break;
549 case vfs_id_rename: ;
550 str = smb_traffic_analyzer_create_string( talloc_tos(),
551 tm, seconds, handle, username, vfs_id_rename,
552 3, ((struct rename_data *) data)->src, \
553 ((struct rename_data *) data)->dst,
554 talloc_asprintf(talloc_tos(), "%u", \
555 ((struct rename_data *) data)->result));
556 break;
557 case vfs_id_chdir: ;
558 str = smb_traffic_analyzer_create_string( talloc_tos(),
559 tm, seconds, handle, username, vfs_id_chdir,
560 2, ((struct chdir_data *) data)->path, \
561 talloc_asprintf(talloc_tos(), "%u", \
562 ((struct chdir_data *) data)->result));
563 break;
564
565 case vfs_id_write:
566 case vfs_id_pwrite:
567 case vfs_id_read:
568 case vfs_id_pread: ;
569 str = smb_traffic_analyzer_create_string( talloc_tos(),
570 tm, seconds, handle, username, vfs_operation,
571 2, ((struct rw_data *) data)->filename, \
572 talloc_asprintf(talloc_tos(), "%u", \
573 (unsigned int)
574 ((struct rw_data *) data)->len));
575 break;
576 default:
577 DEBUG(1, ("smb_traffic_analyzer: error! "
578 "wrong VFS operation id detected!\n"));
579 return;
580 }
581
582 }
583
584 if (!str) {
585 DEBUG(1, ("smb_traffic_analyzer_send_data: "
586 "unable to create string to send!\n"));
587 return;
588 }
589
590
591 /*
592 * If configured, optain the key and run AES encryption
593 * over the data.
594 */
595 become_root();
596 akey = (char *) secrets_fetch("smb_traffic_analyzer_key", &size);
597 unbecome_root();
598 if ( akey != NULL ) {
599 state_flags[2] = 'E';
600 DEBUG(10, ("smb_traffic_analyzer_send_data_socket: a key was"
601 " found, encrypting data!\n"));
602 output = smb_traffic_analyzer_encrypt( talloc_tos(),
603 akey, str, &len);
604 SAFE_FREE(akey);
605 header = smb_traffic_analyzer_create_header( talloc_tos(),
606 state_flags, len);
607
608 DEBUG(10, ("smb_traffic_analyzer_send_data_socket:"
609 " header created for crypted data: %s\n", header));
610 smb_traffic_analyzer_write_data(header, output, len,
611 rf_sock->sock);
612 return;
613
614 }
615
616 len = strlen(str);
617 header = smb_traffic_analyzer_create_header( talloc_tos(),
618 state_flags, len);
619 smb_traffic_analyzer_write_data(header, str, strlen(str),
620 rf_sock->sock);
621
622 }
623
624 static struct refcounted_sock *sock_list;
625
626 static void smb_traffic_analyzer_free_data(void **pptr)
627 {
628 struct refcounted_sock *rf_sock = *(struct refcounted_sock **)pptr;
629 if (rf_sock == NULL) {
630 return;
631 }
632 rf_sock->ref_count--;
633 if (rf_sock->ref_count != 0) {
634 return;
635 }
636 if (rf_sock->sock != -1) {
637 close(rf_sock->sock);
638 }
639 DLIST_REMOVE(sock_list, rf_sock);
640 TALLOC_FREE(rf_sock);
641 }
642
643 static int smb_traffic_analyzer_connect(struct vfs_handle_struct *handle,
644 const char *service,
645 const char *user)
646 {
647 connection_struct *conn = handle->conn;
648 enum sock_type st = smb_traffic_analyzer_connMode(handle);
649 struct refcounted_sock *rf_sock = NULL;
650 const char *name = (st == UNIX_DOMAIN_SOCKET) ? LOCAL_PATHNAME :
651 lp_parm_const_string(SNUM(conn),
652 "smb_traffic_analyzer",
653 "host", "localhost");
654 uint16_t port = (st == UNIX_DOMAIN_SOCKET) ? 0 :
655 atoi( lp_parm_const_string(SNUM(conn),
656 "smb_traffic_analyzer", "port", "9430"));
657 int ret = SMB_VFS_NEXT_CONNECT(handle, service, user);
658
659 if (ret < 0) {
660 return ret;
661 }
662
663 /* Are we already connected ? */
664 for (rf_sock = sock_list; rf_sock; rf_sock = rf_sock->next) {
665 if (port == rf_sock->port &&
666 (strcmp(name, rf_sock->name) == 0)) {
667 break;
668 }
669 }
670
671 /* If we're connected already, just increase the
672 * reference count. */
673 if (rf_sock) {
674 rf_sock->ref_count++;
675 } else {
676 /* New connection. */
677 rf_sock = talloc_zero(NULL, struct refcounted_sock);
678 if (rf_sock == NULL) {
679 SMB_VFS_NEXT_DISCONNECT(handle);
680 errno = ENOMEM;
681 return -1;
682 }
683 rf_sock->name = talloc_strdup(rf_sock, name);
684 if (rf_sock->name == NULL) {
685 SMB_VFS_NEXT_DISCONNECT(handle);
686 TALLOC_FREE(rf_sock);
687 errno = ENOMEM;
688 return -1;
689 }
690 rf_sock->port = port;
691 rf_sock->ref_count = 1;
692
693 if (st == UNIX_DOMAIN_SOCKET) {
694 rf_sock->sock = smb_traffic_analyzer_connect_unix_socket(handle,
695 name);
696 } else {
697
698 rf_sock->sock = smb_traffic_analyzer_connect_inet_socket(handle,
699 name,
700 port);
701 }
702 if (rf_sock->sock == -1) {
703 SMB_VFS_NEXT_DISCONNECT(handle);
704 TALLOC_FREE(rf_sock);
705 return -1;
706 }
707 DLIST_ADD(sock_list, rf_sock);
708 }
709
710 /* Store the private data. */
711 SMB_VFS_HANDLE_SET_DATA(handle, rf_sock, smb_traffic_analyzer_free_data,
712 struct refcounted_sock, return -1);
713 return 0;
714 }
715
716 /* VFS Functions */
717 static int smb_traffic_analyzer_chdir(vfs_handle_struct *handle, \
718 const char *path)
719 {
720 struct chdir_data s_data;
721 s_data.result = SMB_VFS_NEXT_CHDIR(handle, path);
722 s_data.path = path;
723 DEBUG(10, ("smb_traffic_analyzer_chdir: CHDIR: %s\n", path));
724 smb_traffic_analyzer_send_data(handle, &s_data, vfs_id_chdir);
725 return s_data.result;
726 }
727
728 static int smb_traffic_analyzer_rename(vfs_handle_struct *handle, \
729 const struct smb_filename *smb_fname_src,
730 const struct smb_filename *smb_fname_dst)
731 {
732 struct rename_data s_data;
733 s_data.result = SMB_VFS_NEXT_RENAME(handle, smb_fname_src, \
734 smb_fname_dst);
735 s_data.src = smb_fname_src->base_name;
736 s_data.dst = smb_fname_dst->base_name;
737 DEBUG(10, ("smb_traffic_analyzer_rename: RENAME: %s / %s\n",
738 smb_fname_src->base_name,
739 smb_fname_dst->base_name));
740 smb_traffic_analyzer_send_data(handle, &s_data, vfs_id_rename);
741 return s_data.result;
742 }
743
744 static int smb_traffic_analyzer_rmdir(vfs_handle_struct *handle, \
745 const char *path)
746 {
747 struct rmdir_data s_data;
748 s_data.result = SMB_VFS_NEXT_RMDIR(handle, path);
749 s_data.path = path;
750 DEBUG(10, ("smb_traffic_analyzer_rmdir: RMDIR: %s\n", path));
751 smb_traffic_analyzer_send_data(handle, &s_data, vfs_id_rmdir);
752 return s_data.result;
753 }
754
755 static int smb_traffic_analyzer_mkdir(vfs_handle_struct *handle, \
756 const char *path, mode_t mode)
757 {
758 struct mkdir_data s_data;
759 s_data.result = SMB_VFS_NEXT_MKDIR(handle, path, mode);
760 s_data.path = path;
761 s_data.mode = mode;
762 DEBUG(10, ("smb_traffic_analyzer_mkdir: MKDIR: %s\n", path));
763 smb_traffic_analyzer_send_data(handle,
764 &s_data,
765 vfs_id_mkdir);
766 return s_data.result;
767 }
768
769 static ssize_t smb_traffic_analyzer_sendfile(vfs_handle_struct *handle,
770 int tofd,
771 files_struct *fromfsp,
772 const DATA_BLOB *hdr,
773 SMB_OFF_T offset,
774 size_t n)
775 {
776 struct rw_data s_data;
777 s_data.len = SMB_VFS_NEXT_SENDFILE(handle,
778 tofd, fromfsp, hdr, offset, n);
779 s_data.filename = fromfsp->fsp_name->base_name;
780 DEBUG(10, ("smb_traffic_analyzer_sendfile: sendfile(r): %s\n",
781 fsp_str_dbg(fromfsp)));
782 smb_traffic_analyzer_send_data(handle,
783 &s_data,
784 vfs_id_read);
785 return s_data.len;
786 }
787
788 static ssize_t smb_traffic_analyzer_recvfile(vfs_handle_struct *handle,
789 int fromfd,
790 files_struct *tofsp,
791 SMB_OFF_T offset,
792 size_t n)
793 {
794 struct rw_data s_data;
795 s_data.len = SMB_VFS_NEXT_RECVFILE(handle,
796 fromfd, tofsp, offset, n);
797 s_data.filename = tofsp->fsp_name->base_name;
798 DEBUG(10, ("smb_traffic_analyzer_recvfile: recvfile(w): %s\n",
799 fsp_str_dbg(tofsp)));
800 smb_traffic_analyzer_send_data(handle,
801 &s_data,
802 vfs_id_write);
803 return s_data.len;
804 }
805
806
807 static ssize_t smb_traffic_analyzer_read(vfs_handle_struct *handle, \
808 files_struct *fsp, void *data, size_t n)
809 {
810 struct rw_data s_data;
811
812 s_data.len = SMB_VFS_NEXT_READ(handle, fsp, data, n);
813 s_data.filename = fsp->fsp_name->base_name;
814 DEBUG(10, ("smb_traffic_analyzer_read: READ: %s\n", fsp_str_dbg(fsp)));
815
816 smb_traffic_analyzer_send_data(handle,
817 &s_data,
818 vfs_id_read);
819 return s_data.len;
820 }
821
822
823 static ssize_t smb_traffic_analyzer_pread(vfs_handle_struct *handle, \
824 files_struct *fsp, void *data, size_t n, SMB_OFF_T offset)
825 {
826 struct rw_data s_data;
827
828 s_data.len = SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
829 s_data.filename = fsp->fsp_name->base_name;
830 DEBUG(10, ("smb_traffic_analyzer_pread: PREAD: %s\n",
831 fsp_str_dbg(fsp)));
832
833 smb_traffic_analyzer_send_data(handle,
834 &s_data,
835 vfs_id_pread);
836
837 return s_data.len;
838 }
839
840 static ssize_t smb_traffic_analyzer_write(vfs_handle_struct *handle, \
841 files_struct *fsp, const void *data, size_t n)
842 {
843 struct rw_data s_data;
844
845 s_data.len = SMB_VFS_NEXT_WRITE(handle, fsp, data, n);
846 s_data.filename = fsp->fsp_name->base_name;
847 DEBUG(10, ("smb_traffic_analyzer_write: WRITE: %s\n",
848 fsp_str_dbg(fsp)));
849
850 smb_traffic_analyzer_send_data(handle,
851 &s_data,
852 vfs_id_write);
853 return s_data.len;
854 }
855
856 static ssize_t smb_traffic_analyzer_pwrite(vfs_handle_struct *handle, \
857 files_struct *fsp, const void *data, size_t n, SMB_OFF_T offset)
858 {
859 struct rw_data s_data;
860
861 s_data.len = SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
862 s_data.filename = fsp->fsp_name->base_name;
863 DEBUG(10, ("smb_traffic_analyzer_pwrite: PWRITE: %s\n", \
864 fsp_str_dbg(fsp)));
865
866 smb_traffic_analyzer_send_data(handle,
867 &s_data,
868 vfs_id_pwrite);
869 return s_data.len;
870 }
871
872 static int smb_traffic_analyzer_open(vfs_handle_struct *handle, \
873 struct smb_filename *smb_fname, files_struct *fsp,\
874 int flags, mode_t mode)
875 {
876 struct open_data s_data;
877
878 s_data.result = SMB_VFS_NEXT_OPEN( handle, smb_fname, fsp,
879 flags, mode);
880 DEBUG(10,("smb_traffic_analyzer_open: OPEN: %s\n",
881 fsp_str_dbg(fsp)));
882 s_data.filename = fsp->fsp_name->base_name;
883 s_data.mode = mode;
884 smb_traffic_analyzer_send_data(handle,
885 &s_data,
886 vfs_id_open);
887 return s_data.result;
888 }
889
890 static int smb_traffic_analyzer_close(vfs_handle_struct *handle, \
891 files_struct *fsp)
892 {
893 struct close_data s_data;
894 s_data.result = SMB_VFS_NEXT_CLOSE(handle, fsp);
895 DEBUG(10,("smb_traffic_analyzer_close: CLOSE: %s\n",
896 fsp_str_dbg(fsp)));
897 s_data.filename = fsp->fsp_name->base_name;
898 smb_traffic_analyzer_send_data(handle,
899 &s_data,
900 vfs_id_close);
901 return s_data.result;
902 }
903
904
905 static struct vfs_fn_pointers vfs_smb_traffic_analyzer_fns = {
906 .connect_fn = smb_traffic_analyzer_connect,
907 .read_fn = smb_traffic_analyzer_read,
908 .pread_fn = smb_traffic_analyzer_pread,
909 .write_fn = smb_traffic_analyzer_write,
910 .pwrite_fn = smb_traffic_analyzer_pwrite,
911 .mkdir_fn = smb_traffic_analyzer_mkdir,
912 .rename_fn = smb_traffic_analyzer_rename,
913 .chdir_fn = smb_traffic_analyzer_chdir,
914 .open_fn = smb_traffic_analyzer_open,
915 .rmdir_fn = smb_traffic_analyzer_rmdir,
916 .close_fn = smb_traffic_analyzer_close,
917 .sendfile_fn = smb_traffic_analyzer_sendfile,
918 .recvfile_fn = smb_traffic_analyzer_recvfile
919 };
920
921 /* Module initialization */
922 NTSTATUS vfs_smb_traffic_analyzer_init(void)
923 {
924 NTSTATUS ret = smb_register_vfs(SMB_VFS_INTERFACE_VERSION,
925 "smb_traffic_analyzer",
926 &vfs_smb_traffic_analyzer_fns);
927
928 if (!NT_STATUS_IS_OK(ret)) {
929 return ret;
930 }
931
932 vfs_smb_traffic_analyzer_debug_level =
933 debug_add_class("smb_traffic_analyzer");
934
935 if (vfs_smb_traffic_analyzer_debug_level == -1) {
936 vfs_smb_traffic_analyzer_debug_level = DBGC_VFS;
937 DEBUG(1, ("smb_traffic_analyzer_init: Couldn't register custom"
938 "debugging class!\n"));
939 } else {
940 DEBUG(3, ("smb_traffic_analyzer_init: Debug class number of"
941 "'smb_traffic_analyzer': %d\n", \
942 vfs_smb_traffic_analyzer_debug_level));
943 }
944
945 return ret;
946 }
reg import