/* Unix SMB/CIFS implementation. status reporting Copyright (C) Andrew Tridgell 1994-1998 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 3 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, see <http://www.gnu.org/licenses/>. Revision History: 12 aug 96: Erik.Devriendt@te6.siemens.be added support for shared memory implementation of share mode locking 21-Jul-1998: rsharpe@ns.aus.com (Richard Sharpe) Added -L (locks only) -S (shares only) flags and code */ /* * This program reports current SMB connections */ #include "includes.h" #include "system/filesys.h" #include "popt_common.h" #include "dbwrap.h" #include "../libcli/security/security.h" #include "session.h" #include "locking/proto.h" #include "messages.h" #define SMB_MAXPIDS 2048 static uid_t Ucrit_uid = 0; /* added by OH */ static struct server_id Ucrit_pid[SMB_MAXPIDS]; /* Ugly !!! */ /* added by OH */ static int Ucrit_MaxPid=0; /* added by OH */ static unsigned int Ucrit_IsActive = 0; /* added by OH */ static bool verbose, brief; static bool shares_only; /* Added by RJS */ static bool locks_only; /* Added by RJS */ static bool processes_only; static bool show_brl; static bool numeric_only; const char *username = NULL; extern bool status_profile_dump(bool be_verbose); extern bool status_profile_rates(bool be_verbose); /* added by OH */ static void Ucrit_addUid(uid_t uid) { Ucrit_uid = uid; Ucrit_IsActive = 1; } static unsigned int Ucrit_checkUid(uid_t uid) { if ( !Ucrit_IsActive ) return 1; if ( uid == Ucrit_uid ) return 1; return 0; } static unsigned int Ucrit_checkPid(struct server_id pid) { int i; if ( !Ucrit_IsActive ) return 1; for (i=0;i<Ucrit_MaxPid;i++) { if (cluster_id_equal(&pid, &Ucrit_pid[i])) return 1; } return 0; } static bool Ucrit_addPid( struct server_id pid ) { if ( !Ucrit_IsActive ) return True; if ( Ucrit_MaxPid >= SMB_MAXPIDS ) { d_printf("ERROR: More than %d pids for user %s!\n", SMB_MAXPIDS, uidtoname(Ucrit_uid)); return False; } Ucrit_pid[Ucrit_MaxPid++] = pid; return True; } static void print_share_mode(const struct share_mode_entry *e, const char *sharepath, const char *fname, void *dummy) { static int count; if (!is_valid_share_mode_entry(e)) { return; } if (!process_exists(e->pid)) { return; } if (count==0) { d_printf("Locked files:\n"); d_printf("Pid Uid DenyMode Access R/W Oplock SharePath Name Time\n"); d_printf("--------------------------------------------------------------------------------------------------\n"); } count++; if (Ucrit_checkPid(e->pid)) { d_printf("%-11s ",procid_str_static(&e->pid)); d_printf("%-9u ", (unsigned int)e->uid); switch (map_share_mode_to_deny_mode(e->share_access, e->private_options)) { 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:printf("DENY_WRITE "); break; case DENY_FCB: d_printf("DENY_FCB "); break; default: { d_printf("unknown-please report ! " "e->share_access = 0x%x, " "e->private_options = 0x%x\n", (unsigned int)e->share_access, (unsigned int)e->private_options ); break; } } d_printf("0x%-8x ",(unsigned int)e->access_mask); if ((e->access_mask & (FILE_READ_DATA|FILE_WRITE_DATA))== (FILE_READ_DATA|FILE_WRITE_DATA)) { d_printf("RDWR "); } else if (e->access_mask & FILE_WRITE_DATA) { d_printf("WRONLY "); } else { d_printf("RDONLY "); } 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(" %s %s %s",sharepath, fname, time_to_asc((time_t)e->time.tv_sec)); } } static void print_brl(struct file_id id, struct server_id pid, enum brl_type lock_type, enum brl_flavour lock_flav, br_off start, br_off size, void *private_data) { static int count; int i; static const struct { enum brl_type lock_type; const char *desc; } lock_types[] = { { READ_LOCK, "R" }, { WRITE_LOCK, "W" }, { PENDING_READ_LOCK, "PR" }, { PENDING_WRITE_LOCK, "PW" }, { UNLOCK_LOCK, "U" } }; const char *desc="X"; const char *sharepath = ""; char *fname = NULL; struct share_mode_lock *share_mode; if (count==0) { d_printf("Byte range locks:\n"); d_printf("Pid dev:inode R/W start size SharePath Name\n"); d_printf("--------------------------------------------------------------------------------\n"); } count++; share_mode = fetch_share_mode_unlocked(NULL, id); if (share_mode) { bool has_stream = share_mode->stream_name != NULL; fname = talloc_asprintf(NULL, "%s%s%s", share_mode->base_name, has_stream ? ":" : "", has_stream ? share_mode->stream_name : ""); } else { fname = talloc_strdup(NULL, ""); if (fname == NULL) { return; } } for (i=0;i<ARRAY_SIZE(lock_types);i++) { if (lock_type == lock_types[i].lock_type) { desc = lock_types[i].desc; } } d_printf("%-10s %-15s %-4s %-9.0f %-9.0f %-24s %-24s\n", procid_str_static(&pid), file_id_string_tos(&id), desc, (double)start, (double)size, sharepath, fname); TALLOC_FREE(fname); TALLOC_FREE(share_mode); } static int traverse_fn1(const struct connections_key *key, const struct connections_data *crec, void *state) { if (crec->cnum == -1) return 0; if (!process_exists(crec->pid) || !Ucrit_checkUid(crec->uid)) { return 0; } d_printf("%-10s %s %-12s %s", crec->servicename,procid_str_static(&crec->pid), crec->machine, time_to_asc(crec->start)); return 0; } static int traverse_sessionid(const char *key, struct sessionid *session, void *private_data) { fstring uid_str, gid_str; if (!process_exists(session->pid) || !Ucrit_checkUid(session->uid)) { return 0; } Ucrit_addPid(session->pid); fstr_sprintf(uid_str, "%u", (unsigned int)session->uid); fstr_sprintf(gid_str, "%u", (unsigned int)session->gid); d_printf("%-7s %-12s %-12s %-12s (%s)\n", procid_str_static(&session->pid), numeric_only ? uid_str : uidtoname(session->uid), numeric_only ? gid_str : gidtoname(session->gid), session->remote_machine, session->hostname); return 0; } int main(int argc, char *argv[]) { int c; int profile_only = 0; bool show_processes, show_locks, show_shares; poptContext pc; struct poptOption long_options[] = { POPT_AUTOHELP {"processes", 'p', POPT_ARG_NONE, NULL, 'p', "Show processes only" }, {"verbose", 'v', POPT_ARG_NONE, NULL, 'v', "Be verbose" }, {"locks", 'L', POPT_ARG_NONE, NULL, 'L', "Show locks only" }, {"shares", 'S', POPT_ARG_NONE, NULL, 'S', "Show shares only" }, {"user", 'u', POPT_ARG_STRING, &username, 'u', "Switch to user" }, {"brief", 'b', POPT_ARG_NONE, NULL, 'b', "Be brief" }, {"profile", 'P', POPT_ARG_NONE, NULL, 'P', "Do profiling" }, {"profile-rates", 'R', POPT_ARG_NONE, NULL, 'R', "Show call rates" }, {"byterange", 'B', POPT_ARG_NONE, NULL, 'B', "Include byte range locks"}, {"numeric", 'n', POPT_ARG_NONE, NULL, 'n', "Numeric uid/gid"}, POPT_COMMON_SAMBA POPT_TABLEEND }; TALLOC_CTX *frame = talloc_stackframe(); int ret = 0; struct messaging_context *msg_ctx; sec_init(); load_case_tables(); setup_logging(argv[0], DEBUG_STDERR); if (getuid() != geteuid()) { d_printf("smbstatus should not be run setuid\n"); ret = 1; goto done; } pc = poptGetContext(NULL, argc, (const char **) argv, long_options, POPT_CONTEXT_KEEP_FIRST); while ((c = poptGetNextOpt(pc)) != -1) { switch (c) { case 'p': processes_only = true; break; case 'v': verbose = true; break; case 'L': locks_only = true; break; case 'S': shares_only = true; break; case 'b': brief = true; break; case 'u': Ucrit_addUid(nametouid(poptGetOptArg(pc))); break; case 'P': case 'R': profile_only = c; break; case 'B': show_brl = true; break; case 'n': numeric_only = true; break; } } /* setup the flags based on the possible combincations */ show_processes = !(shares_only || locks_only || profile_only) || processes_only; show_locks = !(shares_only || processes_only || profile_only) || locks_only; show_shares = !(processes_only || locks_only || profile_only) || shares_only; if ( username ) Ucrit_addUid( nametouid(username) ); if (verbose) { d_printf("using configfile = %s\n", get_dyn_CONFIGFILE()); } if (!lp_load_initial_only(get_dyn_CONFIGFILE())) { fprintf(stderr, "Can't load %s - run testparm to debug it\n", get_dyn_CONFIGFILE()); ret = -1; goto done; } if (lp_clustering()) { /* * This implicitly initializes the global ctdbd * connection, usable by the db_open() calls further * down. */ msg_ctx = messaging_init(NULL, procid_self(), event_context_init(NULL)); if (msg_ctx == NULL) { fprintf(stderr, "messaging_init failed\n"); ret = -1; goto done; } } if (!lp_load(get_dyn_CONFIGFILE(),False,False,False,True)) { fprintf(stderr, "Can't load %s - run testparm to debug it\n", get_dyn_CONFIGFILE()); ret = -1; goto done; } switch (profile_only) { case 'P': /* Dump profile data */ return status_profile_dump(verbose); case 'R': /* Continuously display rate-converted data */ return status_profile_rates(verbose); default: break; } if ( show_processes ) { d_printf("\nSamba version %s\n",samba_version_string()); d_printf("PID Username Group Machine \n"); d_printf("-------------------------------------------------------------------\n"); if (lp_security() == SEC_SHARE) { d_printf(" <processes do not show up in " "anonymous mode>\n"); } sessionid_traverse_read(traverse_sessionid, NULL); if (processes_only) { goto done; } } if ( show_shares ) { if (verbose) { d_printf("Opened %s\n", lock_path("connections.tdb")); } if (brief) { goto done; } d_printf("\nService pid machine Connected at\n"); d_printf("-------------------------------------------------------\n"); connections_forall_read(traverse_fn1, NULL); d_printf("\n"); if ( shares_only ) { goto done; } } if ( show_locks ) { int result; struct db_context *db; db = db_open(NULL, lock_path("locking.tdb"), 0, TDB_CLEAR_IF_FIRST|TDB_INCOMPATIBLE_HASH, O_RDONLY, 0); if (!db) { d_printf("%s not initialised\n", lock_path("locking.tdb")); d_printf("This is normal if an SMB client has never " "connected to your server.\n"); exit(0); } else { TALLOC_FREE(db); } if (!locking_init_readonly()) { d_printf("Can't initialise locking module - exiting\n"); ret = 1; goto done; } result = share_mode_forall(print_share_mode, NULL); if (result == 0) { d_printf("No locked files\n"); } else if (result == -1) { d_printf("locked file list truncated\n"); } d_printf("\n"); if (show_brl) { brl_forall(print_brl, NULL); } locking_end(); } done: TALLOC_FREE(frame); return ret; }