diff options
Diffstat (limited to 'source3/web/statuspage.c')
-rw-r--r-- | source3/web/statuspage.c | 373 |
1 files changed, 373 insertions, 0 deletions
diff --git a/source3/web/statuspage.c b/source3/web/statuspage.c new file mode 100644 index 0000000000..62158a5f32 --- /dev/null +++ b/source3/web/statuspage.c @@ -0,0 +1,373 @@ +/* + Unix SMB/CIFS implementation. + web status page + Copyright (C) Andrew Tridgell 1997-1998 + + 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 + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "includes.h" + +#define PIDMAP struct PidMap + +PIDMAP { + PIDMAP *next, *prev; + pid_t pid; + char *machine; +}; + +static PIDMAP *pidmap; +static int PID_or_Machine; /* 0 = show PID, else show Machine name */ + +static pid_t smbd_pid; + +/* from 2nd call on, remove old list */ +static void initPid2Machine (void) +{ + /* show machine name rather PID on table "Open Files"? */ + if (PID_or_Machine) { + PIDMAP *p; + + for (p = pidmap; p != NULL; ) { + DLIST_REMOVE(pidmap, p); + SAFE_FREE(p->machine); + SAFE_FREE(p); + } + + pidmap = NULL; + } +} + +/* add new PID <-> Machine name mapping */ +static void addPid2Machine (pid_t pid, char *machine) +{ + /* show machine name rather PID on table "Open Files"? */ + if (PID_or_Machine) { + PIDMAP *newmap; + + if ((newmap = (PIDMAP *) malloc (sizeof (PIDMAP))) == NULL) { + /* XXX need error message for this? + if malloc fails, PID is always shown */ + return; + } + + newmap->pid = pid; + newmap->machine = strdup (machine); + + DLIST_ADD(pidmap, newmap); + } +} + +/* lookup PID <-> Machine name mapping */ +static char *mapPid2Machine (pid_t pid) +{ + static char pidbuf [64]; + PIDMAP *map; + + /* show machine name rather PID on table "Open Files"? */ + if (PID_or_Machine) { + for (map = pidmap; map != NULL; map = map->next) { + if (pid == map->pid) { + if (map->machine == NULL) /* no machine name */ + break; /* show PID */ + + return map->machine; + } + } + } + + /* PID not in list or machine name NULL? return pid as string */ + snprintf (pidbuf, sizeof (pidbuf) - 1, "%d", pid); + return pidbuf; +} + +static char *tstring(time_t t) +{ + static pstring buf; + pstrcpy(buf, asctime(LocalTime(&t))); + all_string_sub(buf," "," ",sizeof(buf)); + return buf; +} + +static void print_share_mode(share_mode_entry *e, char *fname) +{ + d_printf("<tr><td>%s</td>",_(mapPid2Machine(e->pid))); + d_printf("<td>"); + switch ((e->share_mode>>4)&0xF) { + case DENY_NONE: d_printf("DENY_NONE"); break; + case DENY_ALL: d_printf("DENY_ALL "); break; + case DENY_DOS: d_printf("DENY_DOS "); break; + case DENY_READ: d_printf("DENY_READ "); break; + case DENY_WRITE:d_printf("DENY_WRITE "); break; + } + d_printf("</td>"); + + d_printf("<td>"); + switch (e->share_mode&0xF) { + case 0: d_printf("RDONLY "); break; + case 1: d_printf("WRONLY "); break; + case 2: d_printf("RDWR "); break; + } + d_printf("</td>"); + + d_printf("<td>"); + if((e->op_type & + (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) == + (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) + d_printf("EXCLUSIVE+BATCH "); + else if (e->op_type & EXCLUSIVE_OPLOCK) + d_printf("EXCLUSIVE "); + else if (e->op_type & BATCH_OPLOCK) + d_printf("BATCH "); + else if (e->op_type & LEVEL_II_OPLOCK) + d_printf("LEVEL_II "); + else + d_printf("NONE "); + d_printf("</td>"); + + d_printf("<td>%s</td><td>%s</td></tr>\n", + fname,tstring(e->time.tv_sec)); +} + + +/* kill off any connections chosen by the user */ +static int traverse_fn1(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void* state) +{ + struct connections_data crec; + + if (dbuf.dsize != sizeof(crec)) + return 0; + + memcpy(&crec, dbuf.dptr, sizeof(crec)); + + if (crec.cnum == -1 && process_exists(crec.pid)) { + char buf[30]; + slprintf(buf,sizeof(buf)-1,"kill_%d", (int)crec.pid); + if (cgi_variable(buf)) { + kill_pid(crec.pid); + } + } + return 0; +} + +/* traversal fn for showing machine connections */ +static int traverse_fn2(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void* state) +{ + struct connections_data crec; + + if (dbuf.dsize != sizeof(crec)) + return 0; + + memcpy(&crec, dbuf.dptr, sizeof(crec)); + + if (crec.cnum != -1 || !process_exists(crec.pid) || (crec.pid == smbd_pid)) + return 0; + + addPid2Machine (crec.pid, crec.machine); + + d_printf("<tr><td>%d</td><td>%s</td><td>%s</td><td>%s</td>\n", + (int)crec.pid, + crec.machine,crec.addr, + tstring(crec.start)); + if (geteuid() == 0) { + d_printf("<td><input type=submit value=\"X\" name=\"kill_%d\"></td>\n", + (int)crec.pid); + } + d_printf("</tr>\n"); + + return 0; +} + +/* traversal fn for showing share connections */ +static int traverse_fn3(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void* state) +{ + struct connections_data crec; + + if (dbuf.dsize != sizeof(crec)) + return 0; + + memcpy(&crec, dbuf.dptr, sizeof(crec)); + + if (crec.cnum == -1 || !process_exists(crec.pid)) + return 0; + + d_printf("<tr><td>%s</td><td>%s</td><td>%s</td><td>%d</td><td>%s</td><td>%s</td></tr>\n", + crec.name,uidtoname(crec.uid), + gidtoname(crec.gid),(int)crec.pid, + crec.machine, + tstring(crec.start)); + return 0; +} + + +/* show the current server status */ +void status_page(void) +{ + char *v; + int autorefresh=0; + int refresh_interval=30; + TDB_CONTEXT *tdb; + + smbd_pid = pidfile_pid("smbd"); + + if (cgi_variable("smbd_restart")) { + stop_smbd(); + start_smbd(); + } + + if (cgi_variable("smbd_start")) { + start_smbd(); + } + + if (cgi_variable("smbd_stop")) { + stop_smbd(); + } + + if (cgi_variable("nmbd_restart")) { + stop_nmbd(); + start_nmbd(); + } + if (cgi_variable("nmbd_start")) { + start_nmbd(); + } + + if (cgi_variable("nmbd_stop")) { + stop_nmbd(); + } + + if (cgi_variable("autorefresh")) { + autorefresh = 1; + } else if (cgi_variable("norefresh")) { + autorefresh = 0; + } else if (cgi_variable("refresh")) { + autorefresh = 1; + } + + if ((v=cgi_variable("refresh_interval"))) { + refresh_interval = atoi(v); + } + + if (cgi_variable("show_client_in_col_1")) { + PID_or_Machine = 1; + } + + tdb = tdb_open_log(lock_path("connections.tdb"), 0, TDB_DEFAULT, O_RDONLY, 0); + if (tdb) tdb_traverse(tdb, traverse_fn1, NULL); + + initPid2Machine (); + + d_printf("<H2>%s</H2>\n", _("Server Status")); + + d_printf("<FORM method=post>\n"); + + if (!autorefresh) { + d_printf("<input type=submit value=\"%s\" name=autorefresh>\n", _("Auto Refresh")); + d_printf("<br>%s", _("Refresh Interval: ")); + d_printf("<input type=text size=2 name=\"refresh_interval\" value=%d>\n", + refresh_interval); + } else { + d_printf("<input type=submit value=\"%s\" name=norefresh>\n", _("Stop Refreshing")); + d_printf("<br>%s%d\n", _("Refresh Interval: "), refresh_interval); + d_printf("<input type=hidden name=refresh value=1>\n"); + } + + d_printf("<p>\n"); + + if (!tdb) { + /* open failure either means no connections have been + made */ + } + + + d_printf("<table>\n"); + + d_printf("<tr><td>%s</td><td>%s</td></tr>", _("version:"), VERSION); + + fflush(stdout); + d_printf("<tr><td>%s</td><td>%s</td>\n", _("smbd:"), smbd_running()?_("running"):_("not running")); + if (geteuid() == 0) { + if (smbd_running()) { + d_printf("<td><input type=submit name=\"smbd_stop\" value=\"%s\"></td>\n", _("Stop smbd")); + } else { + d_printf("<td><input type=submit name=\"smbd_start\" value=\"%s\"></td>\n", _("Start smbd")); + } + d_printf("<td><input type=submit name=\"smbd_restart\" value=\"%s\"></td>\n", _("Restart smbd")); + } + d_printf("</tr>\n"); + + fflush(stdout); + d_printf("<tr><td>%s</td><td>%s</td>\n", _("nmbd:"), nmbd_running()?_("running"):_("not running")); + if (geteuid() == 0) { + if (nmbd_running()) { + d_printf("<td><input type=submit name=\"nmbd_stop\" value=\"%s\"></td>\n", _("Stop nmbd")); + } else { + d_printf("<td><input type=submit name=\"nmbd_start\" value=\"%s\"></td>\n", _("Start nmbd")); + } + d_printf("<td><input type=submit name=\"nmbd_restart\" value=\"%s\"></td>\n", _("Restart nmbd")); + } + d_printf("</tr>\n"); + + d_printf("</table>\n"); + fflush(stdout); + + d_printf("<p><h3>%s</h3>\n", _("Active Connections")); + d_printf("<table border=1>\n"); + d_printf("<tr><th>%s</th><th>%s</th><th>%s</th><th>%s</th>\n", _("PID"), _("Client"), _("IP address"), _("Date")); + if (geteuid() == 0) { + d_printf("<th>%s</th>\n", _("Kill")); + } + d_printf("</tr>\n"); + + if (tdb) tdb_traverse(tdb, traverse_fn2, NULL); + + d_printf("</table><p>\n"); + + d_printf("<p><h3>%s</h3>\n", _("Active Shares")); + d_printf("<table border=1>\n"); + d_printf("<tr><th>%s</th><th>%s</th><th>%s</th><th>%s</th><th>%s</th><th>%s</th></tr>\n\n", + _("Share"), _("User"), _("Group"), _("PID"), _("Client"), _("Date")); + + if (tdb) tdb_traverse(tdb, traverse_fn3, NULL); + + d_printf("</table><p>\n"); + + d_printf("<h3>%s</h3>\n", _("Open Files")); + d_printf("<table border=1>\n"); + d_printf("<tr><th>%s</th><th>%s</th><th>%s</th><th>%s</th><th>%s</th><th>%s</th></tr>\n", _("PID"), _("Sharing"), _("R/W"), _("Oplock"), _("File"), _("Date")); + + locking_init(1); + share_mode_forall(print_share_mode); + locking_end(); + d_printf("</table>\n"); + + if (tdb) tdb_close(tdb); + + d_printf("<br><input type=submit name=\"show_client_in_col_1\" value=\"Show Client in col 1\">\n"); + d_printf("<input type=submit name=\"show_pid_in_col_1\" value=\"Show PID in col 1\">\n"); + + d_printf("</FORM>\n"); + + if (autorefresh) { + /* this little JavaScript allows for automatic refresh + of the page. There are other methods but this seems + to be the best alternative */ + d_printf("<script language=\"JavaScript\">\n"); + d_printf("<!--\nsetTimeout('window.location.replace(\"%s/status?refresh_interval=%d&refresh=1\")', %d)\n", + cgi_baseurl(), + refresh_interval, + refresh_interval*1000); + d_printf("//-->\n</script>\n"); + } +} |