2 Unix SMB/CIFS implementation.
4 Copyright (C) Andrew Tridgell 1994-1998
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
21 12 aug 96: Erik.Devriendt@te6.siemens.be
22 added support for shared memory implementation of share mode locking
24 21-Jul-1998: rsharpe@ns.aus.com (Richard Sharpe)
25 Added -L (locks only) -S (shares only) flags and code
30 * This program reports current SMB connections
34 #include "system/filesys.h"
35 #include "popt_common.h"
36 #include "dbwrap/dbwrap.h"
37 #include "dbwrap/dbwrap_open.h"
38 #include "../libcli/security/security.h"
40 #include "locking/proto.h"
42 #include "librpc/gen_ndr/open_files.h"
43 #include "smbd/smbd.h"
44 #include "librpc/gen_ndr/notify.h"
45 #include "lib/conn_tdb.h"
47 #include "status_profile.h"
49 #define SMB_MAXPIDS 2048
50 static uid_t Ucrit_uid = 0; /* added by OH */
51 static struct server_id Ucrit_pid[SMB_MAXPIDS]; /* Ugly !!! */ /* added by OH */
52 static int Ucrit_MaxPid=0; /* added by OH */
53 static unsigned int Ucrit_IsActive = 0; /* added by OH */
55 static bool verbose, brief;
56 static bool shares_only; /* Added by RJS */
57 static bool locks_only; /* Added by RJS */
58 static bool processes_only;
60 static bool numeric_only;
61 static bool do_checks = true;
63 const char *username = NULL;
66 static void Ucrit_addUid(uid_t uid)
72 static unsigned int Ucrit_checkUid(uid_t uid)
74 if ( !Ucrit_IsActive )
77 if ( uid == Ucrit_uid )
83 static unsigned int Ucrit_checkPid(struct server_id pid)
87 if ( !Ucrit_IsActive )
90 for (i=0;i<Ucrit_MaxPid;i++) {
91 if (serverid_equal(&pid, &Ucrit_pid[i])) {
99 static bool Ucrit_addPid( struct server_id pid )
101 if ( !Ucrit_IsActive )
104 if ( Ucrit_MaxPid >= SMB_MAXPIDS ) {
105 d_printf("ERROR: More than %d pids for user %s!\n",
106 SMB_MAXPIDS, uidtoname(Ucrit_uid));
111 Ucrit_pid[Ucrit_MaxPid++] = pid;
116 static int print_share_mode(const struct share_mode_entry *e,
117 const char *sharepath,
123 if (do_checks && !is_valid_share_mode_entry(e)) {
128 d_printf("Locked files:\n");
129 d_printf("Pid Uid DenyMode Access R/W Oplock SharePath Name Time\n");
130 d_printf("--------------------------------------------------------------------------------------------------\n");
134 if (do_checks && !serverid_exists(&e->pid)) {
135 /* the process for this entry does not exist any more */
139 if (Ucrit_checkPid(e->pid)) {
140 d_printf("%-11s ",procid_str_static(&e->pid));
141 d_printf("%-9u ", (unsigned int)e->uid);
142 switch (map_share_mode_to_deny_mode(e->share_access,
143 e->private_options)) {
144 case DENY_NONE: d_printf("DENY_NONE "); break;
145 case DENY_ALL: d_printf("DENY_ALL "); break;
146 case DENY_DOS: d_printf("DENY_DOS "); break;
147 case DENY_READ: d_printf("DENY_READ "); break;
148 case DENY_WRITE:printf("DENY_WRITE "); break;
149 case DENY_FCB: d_printf("DENY_FCB "); break;
151 d_printf("unknown-please report ! "
152 "e->share_access = 0x%x, "
153 "e->private_options = 0x%x\n",
154 (unsigned int)e->share_access,
155 (unsigned int)e->private_options );
159 d_printf("0x%-8x ",(unsigned int)e->access_mask);
160 if ((e->access_mask & (FILE_READ_DATA|FILE_WRITE_DATA))==
161 (FILE_READ_DATA|FILE_WRITE_DATA)) {
163 } else if (e->access_mask & FILE_WRITE_DATA) {
169 if((e->op_type & (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) ==
170 (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) {
171 d_printf("EXCLUSIVE+BATCH ");
172 } else if (e->op_type & EXCLUSIVE_OPLOCK) {
173 d_printf("EXCLUSIVE ");
174 } else if (e->op_type & BATCH_OPLOCK) {
176 } else if (e->op_type & LEVEL_II_OPLOCK) {
177 d_printf("LEVEL_II ");
178 } else if (e->op_type == LEASE_OPLOCK) {
179 uint32_t lstate = e->lease->current_state;
180 d_printf("LEASE(%s%s%s)%s%s%s ",
181 (lstate & SMB2_LEASE_READ)?"R":"",
182 (lstate & SMB2_LEASE_WRITE)?"W":"",
183 (lstate & SMB2_LEASE_HANDLE)?"H":"",
184 (lstate & SMB2_LEASE_READ)?"":" ",
185 (lstate & SMB2_LEASE_WRITE)?"":" ",
186 (lstate & SMB2_LEASE_HANDLE)?"":" ");
191 d_printf(" %s %s %s",sharepath, fname, time_to_asc((time_t)e->time.tv_sec));
197 static void print_brl(struct file_id id,
198 struct server_id pid,
199 enum brl_type lock_type,
200 enum brl_flavour lock_flav,
207 static const struct {
208 enum brl_type lock_type;
213 { PENDING_READ_LOCK, "PR" },
214 { PENDING_WRITE_LOCK, "PW" },
217 const char *desc="X";
218 const char *sharepath = "";
220 struct share_mode_lock *share_mode;
223 d_printf("Byte range locks:\n");
224 d_printf("Pid dev:inode R/W start size SharePath Name\n");
225 d_printf("--------------------------------------------------------------------------------\n");
229 share_mode = fetch_share_mode_unlocked(NULL, id);
231 bool has_stream = share_mode->data->stream_name != NULL;
233 fname = talloc_asprintf(NULL, "%s%s%s",
234 share_mode->data->base_name,
235 has_stream ? ":" : "",
237 share_mode->data->stream_name :
240 fname = talloc_strdup(NULL, "");
246 for (i=0;i<ARRAY_SIZE(lock_types);i++) {
247 if (lock_type == lock_types[i].lock_type) {
248 desc = lock_types[i].desc;
252 d_printf("%-10s %-15s %-4s %-9jd %-9jd %-24s %-24s\n",
253 procid_str_static(&pid), file_id_string_tos(&id),
255 (intmax_t)start, (intmax_t)size,
259 TALLOC_FREE(share_mode);
262 static int traverse_connections(const struct connections_key *key,
263 const struct connections_data *crec,
266 if (crec->cnum == TID_FIELD_INVALID)
270 (!process_exists(crec->pid) || !Ucrit_checkUid(crec->uid))) {
274 d_printf("%-10s %s %-12s %s",
275 crec->servicename,procid_str_static(&crec->pid),
277 time_to_asc(crec->start));
282 static int traverse_sessionid(const char *key, struct sessionid *session,
285 fstring uid_str, gid_str;
288 (!process_exists(session->pid) ||
289 !Ucrit_checkUid(session->uid))) {
293 Ucrit_addPid(session->pid);
295 fstrcpy(uid_str, "-1");
297 if (session->uid != -1) {
299 fstr_sprintf(uid_str, "%u", (unsigned int)session->uid);
301 fstrcpy(uid_str, uidtoname(session->uid));
305 fstrcpy(gid_str, "-1");
307 if (session->gid != -1) {
309 fstr_sprintf(gid_str, "%u", (unsigned int)session->gid);
311 fstrcpy(gid_str, gidtoname(session->gid));
315 d_printf("%-7s %-12s %-12s %-12s (%s) %-12s\n",
316 procid_str_static(&session->pid),
318 session->remote_machine, session->hostname, session->protocol_ver);
324 static void print_notify_recs(const char *path,
325 struct notify_db_entry *entries,
327 time_t deleted_time, void *private_data)
330 d_printf("%s\n", path);
332 if (num_entries == 0) {
333 d_printf("deleted %s\n", time_to_asc(deleted_time));
336 for (i=0; i<num_entries; i++) {
337 struct notify_db_entry *e = &entries[i];
340 str = server_id_str(talloc_tos(), &e->server);
341 printf("%s %x %x\n", str, (unsigned)e->filter,
342 (unsigned)e->subdir_filter);
348 int main(int argc, const char *argv[])
351 int profile_only = 0;
352 bool show_processes, show_locks, show_shares;
353 bool show_notify = false;
355 struct poptOption long_options[] = {
357 {"processes", 'p', POPT_ARG_NONE, NULL, 'p', "Show processes only" },
358 {"verbose", 'v', POPT_ARG_NONE, NULL, 'v', "Be verbose" },
359 {"locks", 'L', POPT_ARG_NONE, NULL, 'L', "Show locks only" },
360 {"shares", 'S', POPT_ARG_NONE, NULL, 'S', "Show shares only" },
361 {"notify", 'N', POPT_ARG_NONE, NULL, 'N', "Show notifies" },
362 {"user", 'u', POPT_ARG_STRING, &username, 'u', "Switch to user" },
363 {"brief", 'b', POPT_ARG_NONE, NULL, 'b', "Be brief" },
364 {"profile", 'P', POPT_ARG_NONE, NULL, 'P', "Do profiling" },
365 {"profile-rates", 'R', POPT_ARG_NONE, NULL, 'R', "Show call rates" },
366 {"byterange", 'B', POPT_ARG_NONE, NULL, 'B', "Include byte range locks"},
367 {"numeric", 'n', POPT_ARG_NONE, NULL, 'n', "Numeric uid/gid"},
368 {"fast", 'f', POPT_ARG_NONE, NULL, 'f', "Skip checks if processes still exist"},
372 TALLOC_CTX *frame = talloc_stackframe();
374 struct messaging_context *msg_ctx;
381 setup_logging(argv[0], DEBUG_STDERR);
383 if (getuid() != geteuid()) {
384 d_printf("smbstatus should not be run setuid\n");
390 d_printf("smbstatus only works as root!\n");
396 pc = poptGetContext(NULL, argc, argv, long_options,
397 POPT_CONTEXT_KEEP_FIRST);
399 while ((c = poptGetNextOpt(pc)) != -1) {
402 processes_only = true;
420 Ucrit_addUid(nametouid(poptGetOptArg(pc)));
438 /* setup the flags based on the possible combincations */
440 show_processes = !(shares_only || locks_only || profile_only) || processes_only;
441 show_locks = !(shares_only || processes_only || profile_only) || locks_only;
442 show_shares = !(processes_only || locks_only || profile_only) || shares_only;
445 Ucrit_addUid( nametouid(username) );
448 d_printf("using configfile = %s\n", get_dyn_CONFIGFILE());
451 if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
452 fprintf(stderr, "Can't load %s - run testparm to debug it\n",
453 get_dyn_CONFIGFILE());
459 if (lp_clustering()) {
461 * This implicitly initializes the global ctdbd
462 * connection, usable by the db_open() calls further
465 msg_ctx = messaging_init(NULL, samba_tevent_context_init(NULL));
466 if (msg_ctx == NULL) {
467 fprintf(stderr, "messaging_init failed\n");
473 if (!lp_load_global(get_dyn_CONFIGFILE())) {
474 fprintf(stderr, "Can't load %s - run testparm to debug it\n",
475 get_dyn_CONFIGFILE());
480 switch (profile_only) {
482 /* Dump profile data */
483 ok = status_profile_dump(verbose);
486 /* Continuously display rate-converted data */
487 ok = status_profile_rates(verbose);
493 if ( show_processes ) {
494 d_printf("\nSamba version %s\n",samba_version_string());
495 d_printf("PID Username Group Machine Protocol Version \n");
496 d_printf("------------------------------------------------------------------------------\n");
498 sessionid_traverse_read(traverse_sessionid, NULL);
500 if (processes_only) {
507 db_path = lock_path("connections.tdb");
508 if (db_path == NULL) {
509 d_printf("Out of memory - exiting\n");
513 d_printf("Opened %s\n", db_path);
514 TALLOC_FREE(db_path);
521 d_printf("\nService pid machine Connected at\n");
522 d_printf("-------------------------------------------------------\n");
524 connections_forall_read(traverse_connections, NULL);
535 struct db_context *db;
537 db_path = lock_path("locking.tdb");
538 if (db_path == NULL) {
539 d_printf("Out of memory - exiting\n");
544 db = db_open(NULL, db_path, 0,
545 TDB_CLEAR_IF_FIRST|TDB_INCOMPATIBLE_HASH, O_RDONLY, 0,
546 DBWRAP_LOCK_ORDER_1, DBWRAP_FLAG_NONE);
549 d_printf("%s not initialised\n", db_path);
550 d_printf("This is normal if an SMB client has never "
551 "connected to your server.\n");
552 TALLOC_FREE(db_path);
556 TALLOC_FREE(db_path);
559 if (!locking_init_readonly()) {
560 d_printf("Can't initialise locking module - exiting\n");
565 result = share_entry_forall(print_share_mode, NULL);
568 d_printf("No locked files\n");
569 } else if (result < 0) {
570 d_printf("locked file list truncated\n");
576 brl_forall(print_brl, NULL);
583 struct notify_context *n;
585 n = notify_init(talloc_tos(), NULL, NULL);
589 notify_walk(n, print_notify_recs, NULL);