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"
48 #define SMB_MAXPIDS 2048
49 static uid_t Ucrit_uid = 0; /* added by OH */
50 static struct server_id Ucrit_pid[SMB_MAXPIDS]; /* Ugly !!! */ /* added by OH */
51 static int Ucrit_MaxPid=0; /* added by OH */
52 static unsigned int Ucrit_IsActive = 0; /* added by OH */
54 static bool verbose, brief;
55 static bool shares_only; /* Added by RJS */
56 static bool locks_only; /* Added by RJS */
57 static bool processes_only;
59 static bool numeric_only;
60 static bool do_checks = true;
62 const char *username = NULL;
64 extern bool status_profile_dump(bool be_verbose);
65 extern bool status_profile_rates(bool be_verbose);
68 static void Ucrit_addUid(uid_t uid)
74 static unsigned int Ucrit_checkUid(uid_t uid)
76 if ( !Ucrit_IsActive )
79 if ( uid == Ucrit_uid )
85 static unsigned int Ucrit_checkPid(struct server_id pid)
89 if ( !Ucrit_IsActive )
92 for (i=0;i<Ucrit_MaxPid;i++) {
93 if (serverid_equal(&pid, &Ucrit_pid[i])) {
101 static bool Ucrit_addPid( struct server_id pid )
103 if ( !Ucrit_IsActive )
106 if ( Ucrit_MaxPid >= SMB_MAXPIDS ) {
107 d_printf("ERROR: More than %d pids for user %s!\n",
108 SMB_MAXPIDS, uidtoname(Ucrit_uid));
113 Ucrit_pid[Ucrit_MaxPid++] = pid;
118 static void print_share_mode(const struct share_mode_entry *e,
119 const char *sharepath,
125 if (do_checks && !is_valid_share_mode_entry(e)) {
130 d_printf("Locked files:\n");
131 d_printf("Pid Uid DenyMode Access R/W Oplock SharePath Name Time\n");
132 d_printf("--------------------------------------------------------------------------------------------------\n");
136 if (do_checks && !serverid_exists(&e->pid)) {
137 /* the process for this entry does not exist any more */
141 if (Ucrit_checkPid(e->pid)) {
142 d_printf("%-11s ",procid_str_static(&e->pid));
143 d_printf("%-9u ", (unsigned int)e->uid);
144 switch (map_share_mode_to_deny_mode(e->share_access,
145 e->private_options)) {
146 case DENY_NONE: d_printf("DENY_NONE "); break;
147 case DENY_ALL: d_printf("DENY_ALL "); break;
148 case DENY_DOS: d_printf("DENY_DOS "); break;
149 case DENY_READ: d_printf("DENY_READ "); break;
150 case DENY_WRITE:printf("DENY_WRITE "); break;
151 case DENY_FCB: d_printf("DENY_FCB "); break;
153 d_printf("unknown-please report ! "
154 "e->share_access = 0x%x, "
155 "e->private_options = 0x%x\n",
156 (unsigned int)e->share_access,
157 (unsigned int)e->private_options );
161 d_printf("0x%-8x ",(unsigned int)e->access_mask);
162 if ((e->access_mask & (FILE_READ_DATA|FILE_WRITE_DATA))==
163 (FILE_READ_DATA|FILE_WRITE_DATA)) {
165 } else if (e->access_mask & FILE_WRITE_DATA) {
171 if((e->op_type & (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) ==
172 (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) {
173 d_printf("EXCLUSIVE+BATCH ");
174 } else if (e->op_type & EXCLUSIVE_OPLOCK) {
175 d_printf("EXCLUSIVE ");
176 } else if (e->op_type & BATCH_OPLOCK) {
178 } else if (e->op_type & LEVEL_II_OPLOCK) {
179 d_printf("LEVEL_II ");
184 d_printf(" %s %s %s",sharepath, fname, time_to_asc((time_t)e->time.tv_sec));
188 static void print_brl(struct file_id id,
189 struct server_id pid,
190 enum brl_type lock_type,
191 enum brl_flavour lock_flav,
198 static const struct {
199 enum brl_type lock_type;
204 { PENDING_READ_LOCK, "PR" },
205 { PENDING_WRITE_LOCK, "PW" },
208 const char *desc="X";
209 const char *sharepath = "";
211 struct share_mode_lock *share_mode;
214 d_printf("Byte range locks:\n");
215 d_printf("Pid dev:inode R/W start size SharePath Name\n");
216 d_printf("--------------------------------------------------------------------------------\n");
220 share_mode = fetch_share_mode_unlocked(NULL, id);
222 bool has_stream = share_mode->data->stream_name != NULL;
224 fname = talloc_asprintf(NULL, "%s%s%s",
225 share_mode->data->base_name,
226 has_stream ? ":" : "",
228 share_mode->data->stream_name :
231 fname = talloc_strdup(NULL, "");
237 for (i=0;i<ARRAY_SIZE(lock_types);i++) {
238 if (lock_type == lock_types[i].lock_type) {
239 desc = lock_types[i].desc;
243 d_printf("%-10s %-15s %-4s %-9.0f %-9.0f %-24s %-24s\n",
244 procid_str_static(&pid), file_id_string_tos(&id),
246 (double)start, (double)size,
250 TALLOC_FREE(share_mode);
253 static int traverse_connections(const struct connections_key *key,
254 const struct connections_data *crec,
257 if (crec->cnum == TID_FIELD_INVALID)
261 (!process_exists(crec->pid) || !Ucrit_checkUid(crec->uid))) {
265 d_printf("%-10s %s %-12s %s",
266 crec->servicename,procid_str_static(&crec->pid),
268 time_to_asc(crec->start));
273 static int traverse_sessionid(const char *key, struct sessionid *session,
276 fstring uid_str, gid_str;
279 (!process_exists(session->pid) ||
280 !Ucrit_checkUid(session->uid))) {
284 Ucrit_addPid(session->pid);
286 fstrcpy(uid_str, "-1");
288 if (session->uid != -1) {
290 fstr_sprintf(uid_str, "%u", (unsigned int)session->uid);
292 fstrcpy(uid_str, uidtoname(session->uid));
296 fstrcpy(gid_str, "-1");
298 if (session->gid != -1) {
300 fstr_sprintf(gid_str, "%u", (unsigned int)session->gid);
302 fstrcpy(gid_str, gidtoname(session->gid));
306 d_printf("%-7s %-12s %-12s %-12s (%s)\n",
307 procid_str_static(&session->pid),
309 session->remote_machine, session->hostname);
315 static void print_notify_recs(const char *path,
316 struct notify_db_entry *entries,
318 time_t deleted_time, void *private_data)
321 d_printf("%s\n", path);
323 if (num_entries == 0) {
324 d_printf("deleted %s\n", time_to_asc(deleted_time));
327 for (i=0; i<num_entries; i++) {
328 struct notify_db_entry *e = &entries[i];
331 str = server_id_str(talloc_tos(), &e->server);
332 printf("%s %x %x\n", str, (unsigned)e->filter,
333 (unsigned)e->subdir_filter);
339 int main(int argc, char *argv[])
342 int profile_only = 0;
343 bool show_processes, show_locks, show_shares;
344 bool show_notify = false;
346 struct poptOption long_options[] = {
348 {"processes", 'p', POPT_ARG_NONE, NULL, 'p', "Show processes only" },
349 {"verbose", 'v', POPT_ARG_NONE, NULL, 'v', "Be verbose" },
350 {"locks", 'L', POPT_ARG_NONE, NULL, 'L', "Show locks only" },
351 {"shares", 'S', POPT_ARG_NONE, NULL, 'S', "Show shares only" },
352 {"notify", 'N', POPT_ARG_NONE, NULL, 'N', "Show notifies" },
353 {"user", 'u', POPT_ARG_STRING, &username, 'u', "Switch to user" },
354 {"brief", 'b', POPT_ARG_NONE, NULL, 'b', "Be brief" },
355 {"profile", 'P', POPT_ARG_NONE, NULL, 'P', "Do profiling" },
356 {"profile-rates", 'R', POPT_ARG_NONE, NULL, 'R', "Show call rates" },
357 {"byterange", 'B', POPT_ARG_NONE, NULL, 'B', "Include byte range locks"},
358 {"numeric", 'n', POPT_ARG_NONE, NULL, 'n', "Numeric uid/gid"},
359 {"fast", 'f', POPT_ARG_NONE, NULL, 'f', "Skip checks if processes still exist"},
363 TALLOC_CTX *frame = talloc_stackframe();
365 struct messaging_context *msg_ctx;
370 setup_logging(argv[0], DEBUG_STDERR);
372 if (getuid() != geteuid()) {
373 d_printf("smbstatus should not be run setuid\n");
378 pc = poptGetContext(NULL, argc, (const char **) argv, long_options,
379 POPT_CONTEXT_KEEP_FIRST);
381 while ((c = poptGetNextOpt(pc)) != -1) {
384 processes_only = true;
402 Ucrit_addUid(nametouid(poptGetOptArg(pc)));
420 /* setup the flags based on the possible combincations */
422 show_processes = !(shares_only || locks_only || profile_only) || processes_only;
423 show_locks = !(shares_only || processes_only || profile_only) || locks_only;
424 show_shares = !(processes_only || locks_only || profile_only) || shares_only;
427 Ucrit_addUid( nametouid(username) );
430 d_printf("using configfile = %s\n", get_dyn_CONFIGFILE());
433 if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
434 fprintf(stderr, "Can't load %s - run testparm to debug it\n",
435 get_dyn_CONFIGFILE());
441 if (lp_clustering()) {
443 * This implicitly initializes the global ctdbd
444 * connection, usable by the db_open() calls further
447 msg_ctx = messaging_init(NULL, samba_tevent_context_init(NULL));
448 if (msg_ctx == NULL) {
449 fprintf(stderr, "messaging_init failed\n");
455 if (!lp_load_global(get_dyn_CONFIGFILE())) {
456 fprintf(stderr, "Can't load %s - run testparm to debug it\n",
457 get_dyn_CONFIGFILE());
462 switch (profile_only) {
464 /* Dump profile data */
465 return status_profile_dump(verbose);
467 /* Continuously display rate-converted data */
468 return status_profile_rates(verbose);
473 if ( show_processes ) {
474 d_printf("\nSamba version %s\n",samba_version_string());
475 d_printf("PID Username Group Machine \n");
476 d_printf("-------------------------------------------------------------------\n");
478 sessionid_traverse_read(traverse_sessionid, NULL);
480 if (processes_only) {
487 d_printf("Opened %s\n", lock_path("connections.tdb"));
494 d_printf("\nService pid machine Connected at\n");
495 d_printf("-------------------------------------------------------\n");
497 connections_forall_read(traverse_connections, NULL);
508 struct db_context *db;
509 db = db_open(NULL, lock_path("locking.tdb"), 0,
510 TDB_CLEAR_IF_FIRST|TDB_INCOMPATIBLE_HASH, O_RDONLY, 0,
511 DBWRAP_LOCK_ORDER_1);
514 d_printf("%s not initialised\n",
515 lock_path("locking.tdb"));
516 d_printf("This is normal if an SMB client has never "
517 "connected to your server.\n");
523 if (!locking_init_readonly()) {
524 d_printf("Can't initialise locking module - exiting\n");
529 result = share_mode_forall(print_share_mode, NULL);
532 d_printf("No locked files\n");
533 } else if (result < 0) {
534 d_printf("locked file list truncated\n");
540 brl_forall(print_brl, NULL);
547 struct notify_context *n;
549 n = notify_init(talloc_tos(), NULL, NULL);
553 notify_walk(n, print_notify_recs, NULL);