r23563: Add dump-event-list command to smbcontrol.
[sfrench/samba-autobuild/.git] / source / utils / smbcontrol.c
index d622edd69fd0e93e477aa756e8eb99375d99e2e4..83ccce7057f7d6e9c63b232c5cba54de107a1ef5 100644 (file)
@@ -1,9 +1,13 @@
 /* 
    Unix SMB/CIFS implementation.
-   program to send control messages to Samba processes
+
+   Send messages to other Samba daemons
+
+   Copyright (C) Tim Potter 2003
    Copyright (C) Andrew Tridgell 1994-1998
-   Copyright (C) 2001, 2002 by Martin Pool
+   Copyright (C) Martin Pool 2001-2002
    Copyright (C) Simo Sorce 2002
+   Copyright (C) James Peach 2006
    
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
 
 #include "includes.h"
 
-extern BOOL AllowDebugChange;
+#if HAVE_LIBUNWIND_H
+#include <libunwind.h>
+#endif
 
-static const struct {
-       const char *name;
-       int value;
-} msg_types[] = {
-       {"debug", MSG_DEBUG},
-       {"force-election", MSG_FORCE_ELECTION},
-       {"ping", MSG_PING},
-       {"profile", MSG_PROFILE},
-       {"profilelevel", MSG_REQ_PROFILELEVEL},
-       {"debuglevel", MSG_REQ_DEBUGLEVEL},
-       {"printnotify", MSG_PRINTER_NOTIFY2 },
-       {"close-share", MSG_SMB_FORCE_TDIS},
-        {"samsync", MSG_SMB_SAM_SYNC},
-        {"samrepl", MSG_SMB_SAM_REPL},
-       {"pool-usage", MSG_REQ_POOL_USAGE },
-       {"dmalloc-mark", MSG_REQ_DMALLOC_MARK },
-       {"dmalloc-log-changed", MSG_REQ_DMALLOC_LOG_CHANGED },
-       {"shutdown", MSG_SHUTDOWN },
-       {"drvupgrade", MSG_PRINTER_DRVUPGRADE},
-       {"tallocdump", MSG_REQ_TALLOC_USAGE},
-       {NULL, -1}
-};
+#if HAVE_LIBUNWIND_PTRACE_H
+#include <libunwind-ptrace.h>
+#endif
 
-time_t timeout_start;
+#if HAVE_SYS_PTRACE_H
+#include <sys/ptrace.h>
+#endif
 
-#define MAX_WAIT       10
+/* Default timeout value when waiting for replies (in seconds) */
 
-/* we need these because we link to printing*.o */
+#define DEFAULT_TIMEOUT 10
 
-void become_root(void) {}
-void unbecome_root(void) {}
+static int timeout = DEFAULT_TIMEOUT;
+static int num_replies;                /* Used by message callback fns */
 
+/* Send a message to a destination pid.  Zero means broadcast smbd. */
 
-static void usage(BOOL doexit)
+static BOOL send_message(struct messaging_context *msg_ctx,
+                        struct server_id pid, int msg_type,
+                        const void *buf, int len)
 {
-       int i;
-       if (doexit) {
-               printf("Usage: smbcontrol -i -s configfile\n");
-               printf("       smbcontrol <destination> <message-type> <parameters>\n\n");
+       BOOL ret;
+       int n_sent = 0;
+
+       if (procid_to_pid(&pid) != 0)
+               return NT_STATUS_IS_OK(
+                       messaging_send_buf(msg_ctx, pid, msg_type,
+                                          (uint8 *)buf, len));
+
+       ret = message_send_all(msg_ctx, msg_type, buf, len, &n_sent);
+       DEBUG(10,("smbcontrol/send_message: broadcast message to "
+                 "%d processes\n", n_sent));
+       
+       return ret;
+}
+
+/* Wait for one or more reply messages */
+
+static void wait_replies(struct messaging_context *msg_ctx,
+                        BOOL multiple_replies)
+{
+       time_t start_time = time(NULL);
+
+       /* Wait around a bit.  This is pretty disgusting - we have to
+           busy-wait here as there is no nicer way to do it. */
+
+       do {
+               message_dispatch(msg_ctx);
+               event_loop_once(messaging_event_context(msg_ctx));
+               if (num_replies > 0 && !multiple_replies)
+                       break;
+               sleep(1);
+       } while (timeout - (time(NULL) - start_time) > 0);
+}
+
+/* Message handler callback that displays the PID and a string on stdout */
+
+static void print_pid_string_cb(struct messaging_context *msg,
+                               void *private_data, 
+                               uint32_t msg_type, 
+                               struct server_id pid,
+                               DATA_BLOB *data)
+{
+       printf("PID %u: %.*s", (unsigned int)procid_to_pid(&pid),
+              (int)data->length, (const char *)data->data);
+       num_replies++;
+}
+
+/* Message handler callback that displays a string on stdout */
+
+static void print_string_cb(struct messaging_context *msg,
+                           void *private_data, 
+                           uint32_t msg_type, 
+                           struct server_id pid,
+                           DATA_BLOB *data)
+{
+       printf("%.*s", (int)data->length, (const char *)data->data);
+       num_replies++;
+}
+
+/* Send no message.  Useful for testing. */
+
+static BOOL do_noop(struct messaging_context *msg_ctx,
+                   const struct server_id pid,
+                   const int argc, const char **argv)
+{
+       if (argc != 1) {
+               fprintf(stderr, "Usage: smbcontrol <dest> noop\n");
+               return False;
+       }
+
+       /* Move along, nothing to see here */
+
+       return True;
+}
+
+/* Send a debug string */
+
+static BOOL do_debug(struct messaging_context *msg_ctx,
+                    const struct server_id pid,
+                    const int argc, const char **argv)
+{
+       if (argc != 2) {
+               fprintf(stderr, "Usage: smbcontrol <dest> debug "
+                       "<debug-string>\n");
+               return False;
+       }
+
+       return send_message(msg_ctx, pid, MSG_DEBUG, argv[1],
+                           strlen(argv[1]) + 1);
+}
+
+#if defined(HAVE_LIBUNWIND_PTRACE) && defined(HAVE_LINUX_PTRACE)
+
+/* Return the name of a process given it's PID. This will only work on Linux,
+ * but that's probably moot since this whole stack tracing implementatino is
+ * Linux-specific anyway.
+ */
+static const char * procname(pid_t pid, char * buf, size_t bufsz)
+{
+       char path[64];
+       FILE * fp;
+
+       snprintf(path, sizeof(path), "/proc/%llu/cmdline",
+               (unsigned long long)pid);
+       if ((fp = fopen(path, "r")) == NULL) {
+               return NULL;
+       }
+
+       fgets(buf, bufsz, fp);
+
+       fclose(fp);
+       return buf;
+}
+
+static void print_stack_trace(pid_t pid, int * count)
+{
+       void *              pinfo = NULL;
+       unw_addr_space_t    aspace = NULL;
+       unw_cursor_t        cursor;
+       unw_word_t          ip, sp;
+
+       char                nbuf[256];
+       unw_word_t          off;
+
+       int ret;
+
+       if (ptrace(PTRACE_ATTACH, pid, NULL, NULL) < 0) {
+               fprintf(stderr,
+                       "Failed to attach to process %llu: %s\n",
+                       (unsigned long long)pid, strerror(errno));
+               return;
+       }
+
+       /* Wait until the attach is complete. */
+       waitpid(pid, NULL, 0);
+
+       if (((pinfo = _UPT_create(pid)) == NULL) ||
+           ((aspace = unw_create_addr_space(&_UPT_accessors, 0)) == NULL)) {
+               /* Probably out of memory. */
+               fprintf(stderr,
+                       "Unable to initialize stack unwind for process %llu\n",
+                       (unsigned long long)pid);
+               goto cleanup;
+       }
+
+       if ((ret = unw_init_remote(&cursor, aspace, pinfo))) {
+               fprintf(stderr,
+                       "Unable to unwind stack for process %llu: %s\n",
+                       (unsigned long long)pid, unw_strerror(ret));
+               goto cleanup;
+       }
+
+       if (*count > 0) {
+               printf("\n");
+       }
+
+       if (procname(pid, nbuf, sizeof(nbuf))) {
+               printf("Stack trace for process %llu (%s):\n",
+                       (unsigned long long)pid, nbuf);
        } else {
-               printf("<destination> <message-type> <parameters>\n\n");
+               printf("Stack trace for process %llu:\n",
+                       (unsigned long long)pid);
        }
-       printf("\t<destination> is one of \"nmbd\", \"smbd\" or a process ID\n");
-       printf("\t<message-type> is one of:\n");
-       for (i=0; msg_types[i].name; i++) 
-           printf("\t\t%s\n", msg_types[i].name);
-       printf("\n");
-       if (doexit) exit(1);
+
+       while (unw_step(&cursor) > 0) {
+               ip = sp = off = 0;
+               unw_get_reg(&cursor, UNW_REG_IP, &ip);
+               unw_get_reg(&cursor, UNW_REG_SP, &sp);
+
+               ret = unw_get_proc_name(&cursor, nbuf, sizeof(nbuf), &off);
+               if (ret != 0 && ret != -UNW_ENOMEM) {
+                       snprintf(nbuf, sizeof(nbuf), "<unknown symbol>");
+               }
+               printf("    %s + %#llx [ip=%#llx] [sp=%#llx]\n",
+                       nbuf, (long long)off, (long long)ip,
+                       (long long)sp);
+       }
+
+       (*count)++;
+
+cleanup:
+       if (aspace) {
+               unw_destroy_addr_space(aspace);
+       }
+
+       if (pinfo) {
+               _UPT_destroy(pinfo);
+       }
+
+       ptrace(PTRACE_DETACH, pid, NULL, NULL);
 }
 
-static int pong_count;
-static BOOL got_level;
-static BOOL got_pool;
-static BOOL pong_registered = False;
-static BOOL debuglevel_registered = False;
-static BOOL poolusage_registered = False;
-static BOOL profilelevel_registered = False;
+static int stack_trace_connection(struct db_record *rec,
+                                 const struct connections_key *key,
+                                 const struct connections_data *crec,
+                                 void *priv)
+{
+       print_stack_trace(procid_to_pid(&conn->pid), (int *)priv);
 
+       return 0;
+}
 
-/**
- * Wait for replies for up to @p *max_secs seconds, or until @p
- * max_replies are received.  max_replies may be NULL in which case it
- * is ignored.
- *
- * @note This is a pretty lame timeout; all it means is that after
- * max_secs we won't look for any more messages.
- **/
-static void wait_for_replies(int max_secs, int *max_replies)
+static BOOL do_daemon_stack_trace(struct messaging_context *msg_ctx,
+                                 const struct server_id pid,
+                      const int argc, const char **argv)
 {
-       time_t timeout_end = time(NULL) + max_secs;
+       fprintf(stderr,
+               "Daemon stack tracing is not supported on this platform\n");
+       return False;
 
-       while ((!max_replies || (*max_replies)-- > 0)
-              &&  (time(NULL) < timeout_end)) {
-               message_dispatch();
+       pid_t   dest;
+       int     count = 0;
+
+       if (argc != 1) {
+               fprintf(stderr, "Usage: smbcontrol <dest> stacktrace\n");
+               return False;
+       }
+
+       dest = procid_to_pid(&pid);
+
+       if (dest != 0) {
+               /* It would be nice to be able to make sure that this PID is
+                * the PID of a smbd/winbind/nmbd process, not some random PID
+                * the user liked the look of. It doesn't seem like it's worth
+                * the effort at the moment, however.
+                */
+               print_stack_trace(dest, &count);
+       } else {
+               connections_forall(stack_trace_connection, &count);
        }
+
+       return True;
 }
 
+#else /* defined(HAVE_LIBUNWIND_PTRACE) && defined(HAVE_LINUX_PTRACE) */
 
-/****************************************************************************
-a useful function for testing the message system
-****************************************************************************/
-void pong_function(int msg_type, pid_t src, void *buf, size_t len)
+static BOOL do_daemon_stack_trace(struct messaging_context *msg_ctx,
+                                 const struct server_id pid,
+                      const int argc, const char **argv)
 {
-       pong_count++;
-       printf("PONG from PID %u\n",(unsigned int)src);
+       fprintf(stderr,
+               "Daemon stack tracing is not supported on this platform\n");
+       return False;
 }
 
-/****************************************************************************
- Prints out the current talloc list.
-****************************************************************************/
-void tallocdump_function(int msg_type, pid_t src, void *buf, size_t len)
+#endif /* defined(HAVE_LIBUNWIND_PTRACE) && defined(HAVE_LINUX_PTRACE) */
+
+/* Inject a fault (fatal signal) into a running smbd */
+
+static BOOL do_inject_fault(struct messaging_context *msg_ctx,
+                           const struct server_id pid,
+                      const int argc, const char **argv)
 {
-       char *info = (char *)buf;
+       if (argc != 2) {
+               fprintf(stderr, "Usage: smbcontrol <dest> inject "
+                       "<bus|hup|term|internal|segv>\n");
+               return False;
+       }
 
-       printf("Current talloc contexts for process %u\n", (unsigned int)src );
-       if (len == 0)
-               printf("None returned\n");
-       else
-               printf(info);
-       printf("\n");
-       got_pool = True;
+#ifndef DEVELOPER
+       fprintf(stderr, "Fault injection is only available in "
+               "developer builds\n");
+       return False;
+#else /* DEVELOPER */
+       {
+               int sig = 0;
+
+               if (strcmp(argv[1], "bus") == 0) {
+                       sig = SIGBUS;
+               } else if (strcmp(argv[1], "hup") == 0) {
+                       sig = SIGHUP;
+               } else if (strcmp(argv[1], "term") == 0) {
+                       sig = SIGTERM;
+               } else if (strcmp(argv[1], "segv") == 0) {
+                       sig = SIGSEGV;
+               } else if (strcmp(argv[1], "internal") == 0) {
+                       /* Force an internal error, ie. an unclean exit. */
+                       sig = -1;
+               } else {
+                       fprintf(stderr, "Unknown signal name '%s'\n", argv[1]);
+                       return False;
+               }
+
+               return send_message(msg_ctx, pid, MSG_SMB_INJECT_FAULT,
+                                   &sig, sizeof(int));
+       }
+#endif /* DEVELOPER */
 }
 
-/****************************************************************************
-Prints out the current Debug level returned by MSG_DEBUGLEVEL
-****************************************************************************/
-void debuglevel_function(int msg_type, pid_t src, void *buf, size_t len)
+/* Force a browser election */
+
+static BOOL do_election(struct messaging_context *msg_ctx,
+                       const struct server_id pid,
+                       const int argc, const char **argv)
 {
-       const char *levels = (char *)buf;
+       if (argc != 1) {
+               fprintf(stderr, "Usage: smbcontrol <dest> force-election\n");
+               return False;
+       }
 
-       printf("Current debug levels of PID %u are:\n",(unsigned int)src);
-       printf("%s\n", levels);
-       
-       got_level = True;
+       return send_message(msg_ctx, pid, MSG_FORCE_ELECTION, NULL, 0);
 }
 
-/****************************************************************************
-Prints out the current Profile level returned by MSG_PROFILELEVEL
-****************************************************************************/
-void profilelevel_function(int msg_type, pid_t src, void *buf, size_t len)
+/* Ping a samba daemon process */
+
+static void pong_cb(struct messaging_context *msg,
+                   void *private_data, 
+                   uint32_t msg_type, 
+                   struct server_id pid,
+                   DATA_BLOB *data)
 {
-        int level;
-       const char *s=NULL;
-        memcpy(&level, buf, sizeof(int));
+       char *src_string = procid_str(NULL, &pid);
+       printf("PONG from pid %s\n", src_string);
+       TALLOC_FREE(src_string);
+       num_replies++;
+}
+
+static BOOL do_ping(struct messaging_context *msg_ctx,
+                   const struct server_id pid,
+                   const int argc, const char **argv)
+{
+       if (argc != 1) {
+               fprintf(stderr, "Usage: smbcontrol <dest> ping\n");
+               return False;
+       }
+
+       /* Send a message and register our interest in a reply */
 
-       if (level) {
-           switch (level) {
-           case 1:
+       if (!send_message(msg_ctx, pid, MSG_PING, NULL, 0))
+               return False;
+
+       messaging_register(msg_ctx, NULL, MSG_PONG, pong_cb);
+
+       wait_replies(msg_ctx, procid_to_pid(&pid) == 0);
+
+       /* No replies were received within the timeout period */
+
+       if (num_replies == 0)
+               printf("No replies received\n");
+
+       messaging_deregister(msg_ctx, MSG_PONG, NULL);
+
+       return num_replies;
+}
+
+/* Set profiling options */
+
+static BOOL do_profile(struct messaging_context *msg_ctx,
+                      const struct server_id pid,
+                      const int argc, const char **argv)
+{
+       int v;
+
+       if (argc != 2) {
+               fprintf(stderr, "Usage: smbcontrol <dest> profile "
+                       "<off|count|on|flush>\n");
+               return False;
+       }
+
+       if (strcmp(argv[1], "off") == 0) {
+               v = 0;
+       } else if (strcmp(argv[1], "count") == 0) {
+               v = 1;
+       } else if (strcmp(argv[1], "on") == 0) {
+               v = 2;
+       } else if (strcmp(argv[1], "flush") == 0) {
+               v = 3;
+       } else {
+               fprintf(stderr, "Unknown profile command '%s'\n", argv[1]);
+               return False;
+       }
+
+       return send_message(msg_ctx, pid, MSG_PROFILE, &v, sizeof(int));
+}
+
+/* Return the profiling level */
+
+static void profilelevel_cb(struct messaging_context *msg_ctx,
+                           void *private_data, 
+                           uint32_t msg_type, 
+                           struct server_id pid,
+                           DATA_BLOB *data)
+{
+       int level;
+       const char *s;
+
+       num_replies++;
+
+       if (data->length != sizeof(int)) {
+               fprintf(stderr, "invalid message length %ld returned\n", 
+                       (unsigned long)data->length);
+               return;
+       }
+
+       memcpy(&level, data->data, sizeof(int));
+
+       switch (level) {
+       case 0:
+               s = "not enabled";
+               break;
+       case 1:
                s = "off";
                break;
-           case 3:
+       case 3:
                s = "count only";
                break;
-           case 7:
+       case 7:
                s = "count and time";
                break;
-           default:
-                   s = "BOGUS";
-                   break;
-           }
-           printf("Profiling %s on PID %u\n",s,(unsigned int)src);
-       } else {
-           printf("Profiling not available on PID %u\n",(unsigned int)src);
+       default:
+               s = "BOGUS";
+               break;
        }
-       got_level = True;
+       
+       printf("Profiling %s on pid %u\n",s,(unsigned int)procid_to_pid(&pid));
 }
 
-/**
- * Handle reply from POOL_USAGE.
- **/
-static void pool_usage_cb(int msg_type, pid_t src_pid, void *buf, size_t len)
+static void profilelevel_rqst(struct messaging_context *msg_ctx,
+                             void *private_data, 
+                             uint32_t msg_type, 
+                             struct server_id pid,
+                             DATA_BLOB *data)
 {
-       printf("Got POOL_USAGE reply from pid%u:\n%.*s",
-              (unsigned int) src_pid, (int) len, (const char *) buf);
+       int v = 0;
+
+       /* Send back a dummy reply */
+
+       send_message(msg_ctx, pid, MSG_PROFILELEVEL, &v, sizeof(int));
 }
 
+static BOOL do_profilelevel(struct messaging_context *msg_ctx,
+                           const struct server_id pid,
+                           const int argc, const char **argv)
+{
+       if (argc != 1) {
+               fprintf(stderr, "Usage: smbcontrol <dest> profilelevel\n");
+               return False;
+       }
+
+       /* Send a message and register our interest in a reply */
+
+       if (!send_message(msg_ctx, pid, MSG_REQ_PROFILELEVEL, NULL, 0))
+               return False;
+
+       messaging_register(msg_ctx, NULL, MSG_PROFILELEVEL, profilelevel_cb);
+       messaging_register(msg_ctx, NULL, MSG_REQ_PROFILELEVEL,
+                          profilelevel_rqst);
 
-/**
- * Send a message to a named destination
- *
- * @return False if an error occurred.
- **/
-static BOOL send_message(char *dest, int msg_type, void *buf, int len, BOOL duplicates)
+       wait_replies(msg_ctx, procid_to_pid(&pid) == 0);
+
+       /* No replies were received within the timeout period */
+
+       if (num_replies == 0)
+               printf("No replies received\n");
+
+       messaging_deregister(msg_ctx, MSG_PROFILE, NULL);
+
+       return num_replies;
+}
+
+/* Display debug level settings */
+
+static BOOL do_debuglevel(struct messaging_context *msg_ctx,
+                         const struct server_id pid,
+                         const int argc, const char **argv)
 {
-       pid_t pid;
-       /* "smbd" is the only broadcast operation */
-       if (strequal(dest,"smbd")) {
-               TDB_CONTEXT *tdb;
-               BOOL ret;
-               int n_sent = 0;
-
-               tdb = tdb_open_log(lock_path("connections.tdb"), 0, TDB_DEFAULT, O_RDWR, 0);
-               if (!tdb) {
-                       fprintf(stderr,"Failed to open connections database in send_message.\n");
+       if (argc != 1) {
+               fprintf(stderr, "Usage: smbcontrol <dest> debuglevel\n");
+               return False;
+       }
+
+       /* Send a message and register our interest in a reply */
+
+       if (!send_message(msg_ctx, pid, MSG_REQ_DEBUGLEVEL, NULL, 0))
+               return False;
+
+       messaging_register(msg_ctx, NULL, MSG_DEBUGLEVEL, print_pid_string_cb);
+
+       wait_replies(msg_ctx, procid_to_pid(&pid) == 0);
+
+       /* No replies were received within the timeout period */
+
+       if (num_replies == 0)
+               printf("No replies received\n");
+
+       messaging_deregister(msg_ctx, MSG_DEBUGLEVEL, NULL);
+
+       return num_replies;
+}
+
+/* Send a print notify message */
+
+static BOOL do_printnotify(struct messaging_context *msg_ctx,
+                          const struct server_id pid,
+                          const int argc, const char **argv)
+{
+       const char *cmd;
+
+       /* Check for subcommand */
+
+       if (argc == 1) {
+               fprintf(stderr, "Must specify subcommand:\n");
+               fprintf(stderr, "\tqueuepause <printername>\n");
+               fprintf(stderr, "\tqueueresume <printername>\n");
+               fprintf(stderr, "\tjobpause <printername> <unix jobid>\n");
+               fprintf(stderr, "\tjobresume <printername> <unix jobid>\n");
+               fprintf(stderr, "\tjobdelete <printername> <unix jobid>\n");
+               fprintf(stderr, "\tprinter <printername> <comment|port|"
+                       "driver> <value>\n");
+               
+               return False;
+       }
+
+       cmd = argv[1];
+
+       if (strcmp(cmd, "queuepause") == 0) {
+
+               if (argc != 3) {
+                       fprintf(stderr, "Usage: smbcontrol <dest> printnotify"
+                               " queuepause <printername>\n");
                        return False;
                }
+               
+               notify_printer_status_byname(argv[2], PRINTER_STATUS_PAUSED);
+
+               goto send;
+
+       } else if (strcmp(cmd, "queueresume") == 0) {
 
-               ret = message_send_all(tdb,msg_type, buf, len, duplicates,
-                                      &n_sent);
-               DEBUG(10,("smbcontrol/send_message: broadcast message to "
-                         "%d processes\n", n_sent));
-               tdb_close(tdb);
-
-               return ret;
-       } else if (strequal(dest,"nmbd")) {
-               pid = pidfile_pid(dest);
-               if (pid == 0) {
-                       fprintf(stderr,"Can't find pid for nmbd\n");
+               if (argc != 3) {
+                       fprintf(stderr, "Usage: smbcontrol <dest> printnotify"
+                               " queuereume <printername>\n");
                        return False;
                }
-       } else if (strequal(dest,"self")) {
-               pid = sys_getpid();
-       } else {
-               pid = atoi(dest);
-               if (pid == 0) {
-                       fprintf(stderr,"Not a valid pid\n");
+               
+               notify_printer_status_byname(argv[2], PRINTER_STATUS_OK);
+
+               goto send;
+
+       } else if (strcmp(cmd, "jobpause") == 0) {
+               int jobid;
+
+               if (argc != 4) {
+                       fprintf(stderr, "Usage: smbcontrol <dest> printnotify"
+                               " jobpause <printername> <unix-jobid>\n");
                        return False;
-               }               
-       } 
+               }
 
-       DEBUG(10,("smbcontrol/send_message: send message to pid%d\n", pid));
-       return message_send_pid(pid, msg_type, buf, len, duplicates);
+               jobid = atoi(argv[3]);
+
+               notify_job_status_byname(
+                       argv[2], jobid, JOB_STATUS_PAUSED, 
+                       SPOOLSS_NOTIFY_MSG_UNIX_JOBID);
+
+               goto send;
+
+       } else if (strcmp(cmd, "jobresume") == 0) {
+               int jobid;
+
+               if (argc != 4) {
+                       fprintf(stderr, "Usage: smbcontrol <dest> printnotify"
+                               " jobpause <printername> <unix-jobid>\n");
+                       return False;
+               }
+
+               jobid = atoi(argv[3]);
+
+               notify_job_status_byname(
+                       argv[2], jobid, JOB_STATUS_QUEUED, 
+                       SPOOLSS_NOTIFY_MSG_UNIX_JOBID);
+
+               goto send;
+
+       } else if (strcmp(cmd, "jobdelete") == 0) {
+               int jobid;
+
+               if (argc != 4) {
+                       fprintf(stderr, "Usage: smbcontrol <dest> printnotify"
+                               " jobpause <printername> <unix-jobid>\n");
+                       return False;
+               }
+
+               jobid = atoi(argv[3]);
+
+               notify_job_status_byname(
+                       argv[2], jobid, JOB_STATUS_DELETING,
+                       SPOOLSS_NOTIFY_MSG_UNIX_JOBID);
+               
+               notify_job_status_byname(
+                       argv[2], jobid, JOB_STATUS_DELETING|
+                       JOB_STATUS_DELETED,
+                       SPOOLSS_NOTIFY_MSG_UNIX_JOBID);
+
+               goto send;
+
+       } else if (strcmp(cmd, "printer") == 0) {
+               uint32 attribute;
+               
+               if (argc != 5) {
+                       fprintf(stderr, "Usage: smbcontrol <dest> printnotify "
+                               "printer <printername> <comment|port|driver> "
+                               "<value>\n");
+                       return False;
+               }
+
+               if (strcmp(argv[3], "comment") == 0) {
+                       attribute = PRINTER_NOTIFY_COMMENT;
+               } else if (strcmp(argv[3], "port") == 0) {
+                       attribute = PRINTER_NOTIFY_PORT_NAME;
+               } else if (strcmp(argv[3], "driver") == 0) {
+                       attribute = PRINTER_NOTIFY_DRIVER_NAME;
+               } else {
+                       fprintf(stderr, "Invalid printer command '%s'\n",
+                               argv[3]);
+                       return False;
+               }
+
+               notify_printer_byname(argv[2], attribute,
+                                     CONST_DISCARD(char *, argv[4]));
+
+               goto send;
+       }
+
+       fprintf(stderr, "Invalid subcommand '%s'\n", cmd);
+       return False;
+
+send:
+       print_notify_send_messages(msg_ctx, 0);
+       return True;
 }
 
-/****************************************************************************
-evaluate a message type string
-****************************************************************************/
-static int parse_type(char *mtype)
+/* Close a share */
+
+static BOOL do_closeshare(struct messaging_context *msg_ctx,
+                         const struct server_id pid,
+                         const int argc, const char **argv)
 {
-       int i;
-       for (i=0;msg_types[i].name;i++) {
-               if (strequal(mtype, msg_types[i].name)) return msg_types[i].value;
+       if (argc != 2) {
+               fprintf(stderr, "Usage: smbcontrol <dest> close-share "
+                       "<sharename>\n");
+               return False;
        }
-       return -1;
+
+       return send_message(msg_ctx, pid, MSG_SMB_FORCE_TDIS, argv[1],
+                           strlen(argv[1]) + 1);
 }
 
+/* force a blocking lock retry */
 
-static void register_all(void)
+static BOOL do_lockretry(struct messaging_context *msg_ctx,
+                        const struct server_id pid,
+                        const int argc, const char **argv)
 {
-       message_register(MSG_POOL_USAGE, pool_usage_cb);
+       if (argc != 1) {
+               fprintf(stderr, "Usage: smbcontrol <dest> lockretry\n");
+               return False;
+       }
+
+       return send_message(msg_ctx, pid, MSG_SMB_UNLOCK, NULL, 0);
 }
 
-/* This guy is here so we can link printing/notify.c to the smbcontrol
-   binary without having to pull in tons of other crap. */
+/* force a validation of all brl entries, including re-sends. */
 
-TDB_CONTEXT *conn_tdb_ctx(void)
+static BOOL do_brl_revalidate(struct messaging_context *msg_ctx,
+                             const struct server_id pid,
+                             const int argc, const char **argv)
 {
-       static TDB_CONTEXT *tdb;
+       if (argc != 1) {
+               fprintf(stderr, "Usage: smbcontrol <dest> brl-revalidate\n");
+               return False;
+       }
 
-       if (tdb)
-               return tdb;
+       return send_message(msg_ctx, pid, MSG_SMB_BRL_VALIDATE, NULL, 0);
+}
 
-       tdb = tdb_open_log(lock_path("connections.tdb"), 0, TDB_DEFAULT, O_RDONLY, 0);
+/* Force a SAM synchronisation */
 
-       if (!tdb)
-               DEBUG(3, ("Failed to open connections database in send_spoolss_notify2_msg\n"));
+static BOOL do_samsync(struct messaging_context *msg_ctx,
+                      const struct server_id pid,
+                      const int argc, const char **argv)
+{
+       if (argc != 1) {
+               fprintf(stderr, "Usage: smbcontrol <dest> samsync\n");
+               return False;
+       }
 
-       return tdb;
+       return send_message(msg_ctx, pid, MSG_SMB_SAM_SYNC, NULL, 0);
 }
 
-/****************************************************************************
-do command
-****************************************************************************/
-static BOOL do_command(char *dest, char *msg_name, int iparams, char **params)
+/* Force a SAM replication */
+
+static BOOL do_samrepl(struct messaging_context *msg_ctx,
+                      const struct server_id pid,
+                      const int argc, const char **argv)
 {
-       int i, n, v;
-       int mtype;
-       BOOL retval=False;
-       BOOL check_notify_msgs = False;
+       if (argc != 1) {
+               fprintf(stderr, "Usage: smbcontrol <dest> samrepl\n");
+               return False;
+       }
 
-       mtype = parse_type(msg_name);
-       if (mtype == -1) {
-               fprintf(stderr,"Couldn't resolve message type: %s\n", msg_name);
-               return(False);
+       return send_message(msg_ctx, pid, MSG_SMB_SAM_REPL, NULL, 0);
+}
+
+/* Display talloc pool usage */
+
+static BOOL do_poolusage(struct messaging_context *msg_ctx,
+                        const struct server_id pid,
+                        const int argc, const char **argv)
+{
+       if (argc != 1) {
+               fprintf(stderr, "Usage: smbcontrol <dest> pool-usage\n");
+               return False;
        }
 
-       switch (mtype) {
-       case MSG_DEBUG: {
-               char *buf, *b;
-               char **p;
-               int dim = 0;
+       messaging_register(msg_ctx, NULL, MSG_POOL_USAGE, print_string_cb);
 
-               if (!params || !params[0]) {
-                       fprintf(stderr,"MSG_DEBUG needs a parameter\n");
-                       return(False);
-               }
+       /* Send a message and register our interest in a reply */
 
-               /* first pass retrieve total lenght */
-               for (p = params; p && *p ; p++)
-                       dim += (strnlen(*p, 1024) +1); /* lenght + space */
-               b = buf = malloc(dim);
-               if (!buf) {
-                       fprintf(stderr, "Out of memory!");
-                       return(False);
-               }
-               /* now build a single string with all parameters */
-               for(p = params; p && *p; p++) {
-                       int l = strnlen(*p, 1024);
-                       strncpy(b, *p, l);
-                       b[l] = ' ';
-                       b = b + l + 1;
-               }
-               b[-1] = '\0';
+       if (!send_message(msg_ctx, pid, MSG_REQ_POOL_USAGE, NULL, 0))
+               return False;
 
-               send_message(dest, MSG_DEBUG, buf, dim, False);
+       wait_replies(msg_ctx, procid_to_pid(&pid) == 0);
 
-               free(buf);
-  
-               break;
+       /* No replies were received within the timeout period */
+
+       if (num_replies == 0)
+               printf("No replies received\n");
+
+       messaging_deregister(msg_ctx, MSG_POOL_USAGE, NULL);
+
+       return num_replies;
+}
+
+/* Perform a dmalloc mark */
+
+static BOOL do_dmalloc_mark(struct messaging_context *msg_ctx,
+                           const struct server_id pid,
+                           const int argc, const char **argv)
+{
+       if (argc != 1) {
+               fprintf(stderr, "Usage: smbcontrol <dest> dmalloc-mark\n");
+               return False;
        }
 
-       case MSG_PROFILE:
-               if (!params || !params[0]) {
-                       fprintf(stderr,"MSG_PROFILE needs a parameter\n");
-                       return(False);
-               }
-               if (strequal(params[0], "off")) {
-                       v = 0;
-               } else if (strequal(params[0], "count")) {
-                       v = 1;
-               } else if (strequal(params[0], "on")) {
-                       v = 2;
-               } else if (strequal(params[0], "flush")) {
-                       v = 3;
-               } else {
-                   fprintf(stderr,
-                       "MSG_PROFILE parameter must be off, count, on, or flush\n");
-                   return(False);
-               }
-               send_message(dest, MSG_PROFILE, &v, sizeof(int), False);
-               break;
+       return send_message(msg_ctx, pid, MSG_REQ_DMALLOC_MARK, NULL, 0);
+}
 
-       case MSG_FORCE_ELECTION:
-               if (!strequal(dest, "nmbd")) {
-                       fprintf(stderr,"force-election can only be sent to nmbd\n");
-                       return(False);
-               }
-               send_message(dest, MSG_FORCE_ELECTION, NULL, 0, False);
-               break;
+/* Perform a dmalloc changed */
 
-       case MSG_REQ_PROFILELEVEL:
-               if (!profilelevel_registered) {
-                   message_register(MSG_PROFILELEVEL, profilelevel_function);
-                   profilelevel_registered = True;
-               }
-               got_level = False;
-               retval = send_message(dest, MSG_REQ_PROFILELEVEL, NULL, 0, True);
-               if (retval) {
-                       timeout_start = time(NULL);
-                       while (!got_level) {
-                               message_dispatch();
-                               if ((time(NULL) - timeout_start) > MAX_WAIT) {
-                                       fprintf(stderr,"profilelevel timeout\n");
-                                       break;
-                               }
-                       }
-               }
-               break;
+static BOOL do_dmalloc_changed(struct messaging_context *msg_ctx,
+                              const struct server_id pid,
+                              const int argc, const char **argv)
+{
+       if (argc != 1) {
+               fprintf(stderr, "Usage: smbcontrol <dest> "
+                       "dmalloc-log-changed\n");
+               return False;
+       }
 
-       case MSG_REQ_TALLOC_USAGE:
-               if (!poolusage_registered) {
-                       message_register(MSG_TALLOC_USAGE, tallocdump_function);
-                       poolusage_registered = True;
-               }
-               got_pool = False;
-               retval = send_message(dest, MSG_REQ_TALLOC_USAGE, NULL, 0, True);
-               if (retval) {
-                       timeout_start = time(NULL);
-                       while (!got_pool) {
-                               message_dispatch();
-                               if ((time(NULL) - timeout_start) > MAX_WAIT) {
-                                       fprintf(stderr,"tallocdump timeout\n");
-                                       break;
-                               }
-                       }
-               }
-               break;
+       return send_message(msg_ctx, pid, MSG_REQ_DMALLOC_LOG_CHANGED,
+                           NULL, 0);
+}
 
-       case MSG_REQ_DEBUGLEVEL:
-               if (!debuglevel_registered) {
-                   message_register(MSG_DEBUGLEVEL, debuglevel_function);
-                   debuglevel_registered = True;
-               }
-               got_level = False;
-               retval = send_message(dest, MSG_REQ_DEBUGLEVEL, NULL, 0, True);
-               if (retval) {
-                       timeout_start = time(NULL);
-                       while (!got_level) {
-                               message_dispatch();
-                               if ((time(NULL) - timeout_start) > MAX_WAIT) {
-                                       fprintf(stderr,"debuglevel timeout\n");
-                                       break;
-                               }
-                       }
-               }
-               break;
+/* Shutdown a server process */
 
-               /* Send a notification message to a printer */
+static BOOL do_shutdown(struct messaging_context *msg_ctx,
+                       const struct server_id pid,
+                       const int argc, const char **argv)
+{
+       if (argc != 1) {
+               fprintf(stderr, "Usage: smbcontrol <dest> shutdown\n");
+               return False;
+       }
 
-       case MSG_PRINTER_NOTIFY2: {
-               char *cmd;
+       return send_message(msg_ctx, pid, MSG_SHUTDOWN, NULL, 0);
+}
 
-               /* Read subcommand */
+/* Notify a driver upgrade */
 
-               if (!params || !params[0]) {
-                       fprintf(stderr, "Must specify subcommand:\n");
-                       fprintf(stderr, "\tqueuepause <printername>\n");
-                       fprintf(stderr, "\tqueueresume <printername>\n");
-                       fprintf(stderr, "\tjobpause <printername> <unix jobid>\n");
-                       fprintf(stderr, "\tjobresume <printername> <unix jobid>\n");
-                       fprintf(stderr, "\tjobdelete <printername> <unix jobid>\n");
-                       fprintf(stderr, "\tprinter <printername> <comment|port|driver> <new value>\n");
-                       return False;
-               }
+static BOOL do_drvupgrade(struct messaging_context *msg_ctx,
+                         const struct server_id pid,
+                         const int argc, const char **argv)
+{
+       if (argc != 2) {
+               fprintf(stderr, "Usage: smbcontrol <dest> drvupgrade "
+                       "<driver-name>\n");
+               return False;
+       }
 
-               cmd = params[0];
+       return send_message(msg_ctx, pid, MSG_DEBUG, argv[1],
+                           strlen(argv[1]) + 1);
+}
 
-               check_notify_msgs = True;
+static BOOL do_winbind_online(struct messaging_context *msg_ctx,
+                             const struct server_id pid,
+                            const int argc, const char **argv)
+{
+       TDB_CONTEXT *tdb;
 
-               /* Pause a print queue */
+       if (argc != 1) {
+               fprintf(stderr, "Usage: smbcontrol winbindd online\n");
+               return False;
+       }
 
-               if (strequal(cmd, "queuepause")) {
+       if (!lp_winbind_offline_logon()) {
+               fprintf(stderr, "The parameter \"winbind offline logon\" must "
+                       "be set in the [global] section of smb.conf for this "
+                       "command to be allowed.\n");
+               return False;
+       }
 
-                       if (!params[1]) {
-                               fprintf(stderr, "queuepause command requires a printer name\n");
-                               return False;
-                       }
+       /* Remove the entry in the winbindd_cache tdb to tell a later
+          starting winbindd that we're online. */
 
-                       notify_printer_status_byname(params[1], PRINTER_STATUS_PAUSED);
-                       break;
-               }
+       tdb = tdb_open_log(lock_path("winbindd_cache.tdb"), 0, TDB_DEFAULT, O_RDWR, 0600);
+       if (!tdb) {
+               fprintf(stderr, "Cannot open the tdb %s for writing.\n",
+                       lock_path("winbindd_cache.tdb"));
+               return False;
+       }
 
-               /* Resume a print queue */
+       tdb_delete_bystring(tdb, "WINBINDD_OFFLINE");
+       tdb_close(tdb);
 
-               if (strequal(cmd, "queueresume")) {
+       return send_message(msg_ctx, pid, MSG_WINBIND_ONLINE, NULL, 0);
+}
 
-                       if (!params[1]) {
-                               fprintf(stderr, "queueresume command requires a printer name\n");
-                               return False;
-                       }
+static BOOL do_winbind_offline(struct messaging_context *msg_ctx,
+                              const struct server_id pid,
+                            const int argc, const char **argv)
+{
+       TDB_CONTEXT *tdb;
+       BOOL ret = False;
+       int retry = 0;
 
-                       notify_printer_status_byname(params[1], PRINTER_STATUS_OK);
-                       break;
-               }
+       if (argc != 1) {
+               fprintf(stderr, "Usage: smbcontrol winbindd offline\n");
+               return False;
+       }
 
-               /* Pause a print job */
+       if (!lp_winbind_offline_logon()) {
+               fprintf(stderr, "The parameter \"winbind offline logon\" must "
+                       "be set in the [global] section of smb.conf for this "
+                       "command to be allowed.\n");
+               return False;
+       }
 
-               if (strequal(cmd, "jobpause")) {
-                       int jobid;
+       /* Create an entry in the winbindd_cache tdb to tell a later
+          starting winbindd that we're offline. We may actually create
+          it here... */
 
-                       if (!params[1] || !params[2]) {
-                               fprintf(stderr, "jobpause command requires a printer name and a jobid\n");
-                               return False;
-                       }
+       tdb = tdb_open_log(lock_path("winbindd_cache.tdb"),
+                               WINBINDD_CACHE_TDB_DEFAULT_HASH_SIZE,
+                               TDB_DEFAULT /* TDB_CLEAR_IF_FIRST */, O_RDWR|O_CREAT, 0600);
 
-                       jobid = atoi(params[2]);
+       if (!tdb) {
+               fprintf(stderr, "Cannot open the tdb %s for writing.\n",
+                       lock_path("winbindd_cache.tdb"));
+               return False;
+       }
 
-                       notify_job_status_byname(
-                               params[1], jobid, JOB_STATUS_PAUSED, 
-                               SPOOLSS_NOTIFY_MSG_UNIX_JOBID);
-                       break;
-               }
+       /* There's a potential race condition that if a child
+          winbindd detects a domain is online at the same time
+          we're trying to tell it to go offline that it might 
+          delete the record we add between us adding it and
+          sending the message. Minimize this by retrying up to
+          5 times. */
+
+       for (retry = 0; retry < 5; retry++) {
+               TDB_DATA d;
+               uint8 buf[4];
 
-               /* Resume a print job */
+               ZERO_STRUCT(d);
 
-               if (strequal(cmd, "jobresume")) {
-                       int jobid;
+               SIVAL(buf, 0, time(NULL));
+               d.dptr = buf;
+               d.dsize = 4;
 
-                       if (!params[1] || !params[2]) {
-                               fprintf(stderr, "jobresume command requires a printer name and a jobid\n");
-                               return False;
-                       }
+               tdb_store_bystring(tdb, "WINBINDD_OFFLINE", d, TDB_INSERT);
 
-                       jobid = atoi(params[2]);
+               ret = send_message(msg_ctx, pid, MSG_WINBIND_OFFLINE,
+                                  NULL, 0);
 
-                       notify_job_status_byname(
-                               params[1], jobid, JOB_STATUS_QUEUED,
-                               SPOOLSS_NOTIFY_MSG_UNIX_JOBID);
+               /* Check that the entry "WINBINDD_OFFLINE" still exists. */
+               d = tdb_fetch_bystring( tdb, "WINBINDD_OFFLINE" );
+       
+               if (!d.dptr || d.dsize != 4) {
+                       SAFE_FREE(d.dptr);
+                       DEBUG(10,("do_winbind_offline: offline state not set - retrying.\n"));
+               } else {
+                       SAFE_FREE(d.dptr);
                        break;
                }
+       }
 
-               /* Delete a print job */
+       tdb_close(tdb);
+       return ret;
+}
 
-               if (strequal(cmd, "jobdelete")) {
-                       int jobid;
+static BOOL do_winbind_onlinestatus(struct messaging_context *msg_ctx,
+                                   const struct server_id pid,
+                                   const int argc, const char **argv)
+{
+       struct server_id myid;
 
-                       if (!params[1] || !params[2]) {
-                               fprintf(stderr, "jobdelete command requires a printer name and a jobid\n");
-                               return False;
-                       }
+       myid = pid_to_procid(sys_getpid());
 
-                       jobid = atoi(params[2]);
+       if (argc != 1) {
+               fprintf(stderr, "Usage: smbcontrol winbindd onlinestatus\n");
+               return False;
+       }
 
-                       notify_job_status_byname(
-                               params[1], jobid, JOB_STATUS_DELETING,
-                               SPOOLSS_NOTIFY_MSG_UNIX_JOBID);
+       messaging_register(msg_ctx, NULL, MSG_WINBIND_ONLINESTATUS,
+                          print_pid_string_cb);
 
-                       notify_job_status_byname(
-                               params[1], jobid, JOB_STATUS_DELETING|
-                               JOB_STATUS_DELETED,
-                               SPOOLSS_NOTIFY_MSG_UNIX_JOBID);
-               }
-               
-               /* printer change notify */
-               
-               if (strequal(cmd, "printer")) {
-                       int attribute = -1;
-                       
-                       if (!params[1] || !params[2] || !params[3]) {
-                               fprintf(stderr, "printer command requires an and attribute name and value!\n");
-                               fprintf(stderr, "supported attributes:\n");
-                               fprintf(stderr, "\tcomment:\n");
-                               fprintf(stderr, "\tport:\n");
-                               fprintf(stderr, "\tdriver:\n");
-                               return False;
-                       }
-                       if ( strequal(params[2], "comment") )
-                               attribute = PRINTER_NOTIFY_COMMENT;
-                       else if ( strequal(params[2], "port") )
-                               attribute = PRINTER_NOTIFY_PORT_NAME;
-                       else if ( strequal(params[2], "driver") )
-                               attribute = PRINTER_NOTIFY_DRIVER_NAME;
-                       
-                       if ( attribute == -1 ) {
-                               fprintf(stderr, "bad attribute!\n");
-                               return False;
-                       }
-                       
-                       notify_printer_byname( params[1], attribute, params[3]);
-                       
-                       break;
-               }
-               
-               break;
-         }
+       if (!send_message(msg_ctx, pid, MSG_WINBIND_ONLINESTATUS, &myid,
+                         sizeof(myid)))
+               return False;
 
+       wait_replies(msg_ctx, procid_to_pid(&pid) == 0);
 
-       case MSG_SMB_FORCE_TDIS:
-               if (!strequal(dest, "smbd")) {
-                       fprintf(stderr,"close-share can only be sent to smbd\n");
-                       return(False);
-               }
-               if (!params || !params[0]) {
-                       fprintf(stderr, "close-share needs a share name or '*'\n");
-                       return (False);
-               }
-               retval = send_message(dest, MSG_SMB_FORCE_TDIS, params[0],
-                                     strlen(params[0]) + 1, False);
-               break;
+       /* No replies were received within the timeout period */
+
+       if (num_replies == 0)
+               printf("No replies received\n");
+
+       messaging_deregister(msg_ctx, MSG_WINBIND_ONLINESTATUS, NULL);
 
-        case MSG_SMB_SAM_SYNC:
-                if (!strequal(dest, "smbd")) {
-                        fprintf(stderr, "samsync can only be sent to smbd\n");
-                        return False;
-                }
+       return num_replies;
+}
 
-                if (params) {
-                        fprintf(stderr, "samsync does not take any parameters\n");
-                        return False;
-                }
+static BOOL do_dump_event_list(struct messaging_context *msg_ctx,
+                              const struct server_id pid,
+                              const int argc, const char **argv)
+{
+       struct server_id myid;
 
-                retval = send_message(dest, MSG_SMB_SAM_SYNC, NULL, 0, False);
+       myid = pid_to_procid(sys_getpid());
 
-                break;
+       if (argc != 1) {
+               fprintf(stderr, "Usage: smbcontrol <dest> dump-event-list\n");
+               return False;
+       }
 
-        case MSG_SMB_SAM_REPL: {
-                uint32 seqnum;
+       return send_message(msg_ctx, pid, MSG_DUMP_EVENT_LIST, NULL, 0);
+}
 
-                if (!strequal(dest, "smbd")) {
-                        fprintf(stderr, "sam repl can only be sent to smbd\n");
-                        return False;
-                }
 
-                if (!params || !params[0]) {
-                        fprintf(stderr, "SAM_REPL needs a parameter\n");
-                        return False;
-                }
+static BOOL do_reload_config(struct messaging_context *msg_ctx,
+                            const struct server_id pid,
+                            const int argc, const char **argv)
+{
+       if (argc != 1) {
+               fprintf(stderr, "Usage: smbcontrol <dest> reload-config\n");
+               return False;
+       }
 
-                seqnum = atoi(params[0]);
+       return send_message(msg_ctx, pid, MSG_SMB_CONF_UPDATED, NULL, 0);
+}
 
-                retval = send_message(dest, MSG_SMB_SAM_SYNC, 
-                                      (char *)&seqnum, sizeof(uint32), False); 
+static void my_make_nmb_name( struct nmb_name *n, const char *name, int type)
+{
+       fstring unix_name;
+       memset( (char *)n, '\0', sizeof(struct nmb_name) );
+       fstrcpy(unix_name, name);
+       strupper_m(unix_name);
+       push_ascii(n->name, unix_name, sizeof(n->name), STR_TERMINATE);
+       n->name_type = (unsigned int)type & 0xFF;
+       push_ascii(n->scope,  global_scope(), 64, STR_TERMINATE);
+}
 
-                break;
-        }
+static BOOL do_nodestatus(struct messaging_context *msg_ctx,
+                         const struct server_id pid,
+                         const int argc, const char **argv)
+{
+       struct packet_struct p;
 
-       case MSG_PING:
-               if (!pong_registered) {
-                   message_register(MSG_PONG, pong_function);
-                   pong_registered = True;
-               }
-               if (!params || !params[0]) {
-                       fprintf(stderr,"MSG_PING needs a parameter\n");
-                       return(False);
-               }
-               n = atoi(params[0]);
-               pong_count = 0;
-               for (i=0;i<n;i++) {
-                       if (iparams > 1)
-                               retval = send_message(dest, MSG_PING, params[1], strlen(params[1]) + 1, True);
-                       else
-                               retval = send_message(dest, MSG_PING, NULL, 0, True);
-                       if (retval == False)
-                               return False;
-               }
-               wait_for_replies(MAX_WAIT, &n);
-               if (n > 0) {
-                       fprintf(stderr,"PING timeout\n");
+       if (argc != 2) {
+               fprintf(stderr, "Usage: smbcontrol nmbd nodestatus <ip>\n");
+               return False;
+       }
+
+       ZERO_STRUCT(p);
+
+       p.ip = *interpret_addr2(argv[1]);
+       p.port = 137;
+       p.packet_type = NMB_PACKET;
+
+       p.packet.nmb.header.name_trn_id = 10;
+       p.packet.nmb.header.opcode = 0;
+       p.packet.nmb.header.response = False;
+       p.packet.nmb.header.nm_flags.bcast = False;
+       p.packet.nmb.header.nm_flags.recursion_available = False;
+       p.packet.nmb.header.nm_flags.recursion_desired = False;
+       p.packet.nmb.header.nm_flags.trunc = False;
+       p.packet.nmb.header.nm_flags.authoritative = False;
+       p.packet.nmb.header.rcode = 0;
+       p.packet.nmb.header.qdcount = 1;
+       p.packet.nmb.header.ancount = 0;
+       p.packet.nmb.header.nscount = 0;
+       p.packet.nmb.header.arcount = 0;
+       my_make_nmb_name(&p.packet.nmb.question.question_name, "*", 0x00);
+       p.packet.nmb.question.question_type = 0x21;
+       p.packet.nmb.question.question_class = 0x1;
+
+       return send_message(msg_ctx, pid, MSG_SEND_PACKET, &p, sizeof(p));
+}
+
+/* A list of message type supported */
+
+static const struct {
+       const char *name;       /* Option name */
+       BOOL (*fn)(struct messaging_context *msg_ctx,
+                  const struct server_id pid,
+                  const int argc, const char **argv);
+       const char *help;       /* Short help text */
+} msg_types[] = {
+       { "debug", do_debug, "Set debuglevel"  },
+       { "force-election", do_election,
+         "Force a browse election" },
+       { "ping", do_ping, "Elicit a response" },
+       { "profile", do_profile, "" },
+       { "inject", do_inject_fault,
+           "Inject a fatal signal into a running smbd"},
+       { "stacktrace", do_daemon_stack_trace,
+           "Display a stack trace of a daemon" },
+       { "profilelevel", do_profilelevel, "" },
+       { "debuglevel", do_debuglevel, "Display current debuglevels" },
+       { "printnotify", do_printnotify, "Send a print notify message" },
+       { "close-share", do_closeshare, "Forcibly disconnect a share" },
+       { "lockretry", do_lockretry, "Force a blocking lock retry" },
+       { "brl-revalidate", do_brl_revalidate, "Revalidate all brl entries" },
+        { "samsync", do_samsync, "Initiate SAM synchronisation" },
+        { "samrepl", do_samrepl, "Initiate SAM replication" },
+       { "pool-usage", do_poolusage, "Display talloc memory usage" },
+       { "dmalloc-mark", do_dmalloc_mark, "" },
+       { "dmalloc-log-changed", do_dmalloc_changed, "" },
+       { "shutdown", do_shutdown, "Shut down daemon" },
+       { "drvupgrade", do_drvupgrade, "Notify a printer driver has changed" },
+       { "reload-config", do_reload_config, "Force smbd or winbindd to reload config file"},
+       { "nodestatus", do_nodestatus, "Ask nmbd to do a node status request"},
+       { "online", do_winbind_online, "Ask winbind to go into online state"},
+       { "offline", do_winbind_offline, "Ask winbind to go into offline state"},
+       { "onlinestatus", do_winbind_onlinestatus, "Request winbind online status"},
+       { "dump-event-list", do_dump_event_list, "Dump event list"},
+       { "noop", do_noop, "Do nothing" },
+       { NULL }
+};
+
+/* Display usage information */
+
+static void usage(poptContext pc)
+{
+       int i;
+
+       poptPrintHelp(pc, stderr, 0);
+
+       fprintf(stderr, "\n");
+       fprintf(stderr, "<destination> is one of \"nmbd\", \"smbd\", \"winbindd\" or a "
+               "process ID\n");
+
+       fprintf(stderr, "\n");
+       fprintf(stderr, "<message-type> is one of:\n");
+
+       for (i = 0; msg_types[i].name; i++) 
+           fprintf(stderr, "\t%-30s%s\n", msg_types[i].name, 
+                   msg_types[i].help);
+
+       fprintf(stderr, "\n");
+
+       exit(1);
+}
+
+/* Return the pid number for a string destination */
+
+static struct server_id parse_dest(const char *dest)
+{
+       struct server_id result = {-1};
+       pid_t pid;
+
+       /* Zero is a special return value for broadcast smbd */
+
+       if (strequal(dest, "smbd")) {
+               return interpret_pid("0");
+       }
+
+       /* Try self - useful for testing */
+
+       if (strequal(dest, "self")) {
+               return pid_to_procid(sys_getpid());
+       }
+
+       /* Fix winbind typo. */
+       if (strequal(dest, "winbind")) {
+               dest = "winbindd";
+       }
+
+       
+       if (!(strequal(dest, "winbindd") || strequal(dest, "nmbd"))) {
+               /* Check for numeric pid number */
+
+               result = interpret_pid(dest);
+
+               /* Zero isn't valid if not smbd. */
+               if (result.pid && procid_valid(&result)) {
+                       return result;
                }
-               break;
+       }
 
-       case MSG_REQ_POOL_USAGE:
-               if (!send_message(dest, MSG_REQ_POOL_USAGE, NULL, 0, True))
-                       return False;
-               wait_for_replies(MAX_WAIT, NULL);
-               
-               break;
+       /* Look up other destinations in pidfile directory */
 
-       case MSG_REQ_DMALLOC_LOG_CHANGED:
-       case MSG_REQ_DMALLOC_MARK:
-               if (!send_message(dest, mtype, NULL, 0, False))
-                       return False;
-               break;
+       if ((pid = pidfile_pid(dest)) != 0) {
+               return pid_to_procid(pid);
+       }
 
-       case MSG_SHUTDOWN:
-               if (!send_message(dest, MSG_SHUTDOWN, NULL, 0, False))
-                       return False;
-               break;
-       case MSG_PRINTER_DRVUPGRADE:
-               if (!send_message(dest, MSG_PRINTER_DRVUPGRADE, params[0], 0, False))
-                       return False;
-               break;
+       fprintf(stderr,"Can't find pid for destination '%s'\n", dest);
+
+       return result;
+}      
+
+/* Execute smbcontrol command */
+
+static BOOL do_command(struct messaging_context *msg_ctx,
+                      int argc, const char **argv)
+{
+       const char *dest = argv[0], *command = argv[1];
+       struct server_id pid;
+       int i;
+
+       /* Check destination */
+
+       pid = parse_dest(dest);
+       if (!procid_valid(&pid)) {
+               return False;
        }
 
-       /* check if we have any pending print notify messages */
+       /* Check command */
 
-       if ( check_notify_msgs )
-               print_notify_send_messages(0);
-               
-       return (True);
+       for (i = 0; msg_types[i].name; i++) {
+               if (strequal(command, msg_types[i].name))
+                       return msg_types[i].fn(msg_ctx, pid,
+                                              argc - 1, argv + 1);
+       }
+
+       fprintf(stderr, "smbcontrol: unknown command '%s'\n", command);
+
+       return False;
 }
 
- int main(int argc, char *argv[])
+static void smbcontrol_help(poptContext pc,
+                   enum poptCallbackReason preason,
+                   struct poptOption * poption,
+                   const char * parg,
+                   void * pdata)
 {
+       if (poption->shortName != '?') {
+               poptPrintUsage(pc, stdout, 0);
+       } else {
+               usage(pc);
+       }
+
+       exit(0);
+}
+
+struct poptOption help_options[] = {
+       { NULL, '\0', POPT_ARG_CALLBACK, (void *)&smbcontrol_help, '\0',
+         NULL, NULL },
+       { "help", '?', 0, NULL, '?', "Show this help message", NULL },
+       { "usage", '\0', 0, NULL, 'u', "Display brief usage message", NULL },
+       { NULL }
+} ;
+
+/* Main program */
+
+int main(int argc, const char **argv)
+{
+       poptContext pc;
        int opt;
-       char temp[255];
-       extern int optind;
-       BOOL interactive = False;
+       struct event_context *evt_ctx;
+       struct messaging_context *msg_ctx;
+
+       static struct poptOption long_options[] = {
+               /* POPT_AUTOHELP */
+               { NULL, '\0', POPT_ARG_INCLUDE_TABLE, help_options,
+                                       0, "Help options:", NULL },
+               { "timeout", 't', POPT_ARG_INT, &timeout, 't', 
+                 "Set timeout value in seconds", "TIMEOUT" },
 
-       AllowDebugChange = False;
-       DEBUGLEVEL = 0;
+               POPT_COMMON_SAMBA
+               POPT_TABLEEND
+       };
+
+       load_case_tables();
 
        setup_logging(argv[0],True);
        
-       if (argc < 2) usage(True);
+       /* Parse command line arguments using popt */
 
-       while ((opt = getopt(argc, argv,"is:")) != EOF) {
-               switch (opt) {
-               case 'i':
-                       interactive = True;
-                       break;
-               case 's':
-                       pstrcpy(dyn_CONFIGFILE, optarg);
+       pc = poptGetContext(
+               "smbcontrol", argc, (const char **)argv, long_options, 0);
+
+       poptSetOtherOptionHelp(pc, "[OPTION...] <destination> <message-type> "
+                              "<parameters>");
+
+       if (argc == 1)
+               usage(pc);
+
+       while ((opt = poptGetNextOpt(pc)) != -1) {
+               switch(opt) {
+               case 't':       /* --timeout */
                        break;
                default:
-                       printf("Unknown option %c (%d)\n", (char)opt, opt);
-                       usage(True);
+                       fprintf(stderr, "Invalid option\n");
+                       poptPrintHelp(pc, stderr, 0);
+                       break;
                }
        }
 
-       lp_load(dyn_CONFIGFILE,False,False,False);
-
-       if (!message_init()) exit(1);
-
-       argc -= optind;
-       argv = &argv[optind];
-
-       register_all();
+       /* We should now have the remaining command line arguments in
+           argv.  The argc parameter should have been decremented to the
+           correct value in the above switch statement. */
 
-       if (!interactive) {
-               if (argc < 2) usage(True);
-               /* Need to invert sense of return code -- samba
-                * routines mostly return True==1 for success, but
-                * shell needs 0. */ 
-               return ! do_command(argv[0],argv[1], argc-2, argc > 2 ? &argv[2] : 0);
+       argv = (const char **)poptGetArgs(pc);
+       argc = 0;
+       while (argv[argc] != NULL) {
+               argc++;
        }
 
-       while (True) {
-               char *myargv[4];
-               int myargc;
+       if (argc == 1)
+               usage(pc);
 
-               printf("smbcontrol> ");
-               if (!fgets(temp, sizeof(temp)-1, stdin)) break;
-               myargc = 0;
-               while ((myargc < 4) && 
-                      (myargv[myargc] = strtok(myargc?NULL:temp," \t\n"))) {
-                       myargc++;
-               }
-               if (!myargc) break;
-               if (strequal(myargv[0],"q")) break;
-               if (myargc < 2)
-                       usage(False);
-               else if (!do_command(myargv[0],myargv[1],myargc-2,myargc > 2 ? &myargv[2] : 0))
-                       usage(False);
+       lp_load(dyn_CONFIGFILE,False,False,False,True);
+
+       /* Need to invert sense of return code -- samba
+         * routines mostly return True==1 for success, but
+         * shell needs 0. */ 
+       
+       if (!(evt_ctx = event_context_init(NULL)) ||
+           !(msg_ctx = messaging_init(NULL, server_id_self(), evt_ctx))) {
+               fprintf(stderr, "could not init messaging context\n");
+               exit(1);
        }
-       return(0);
+       
+       return !do_command(msg_ctx, argc, argv);
 }
-