2 Unix SMB/Netbios implementation.
5 Copyright (C) Andrew Tridgell 1994-1995
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 12 aug 96: Erik.Devriendt@te6.siemens.be
24 added support for shared memory implementation of share mode locking
28 * This program reports current SMB connections
37 struct connect_record crec;
38 extern int DEBUGLEVEL;
40 extern pstring myhostname;
42 static pstring Ucrit_username = ""; /* added by OH */
43 int Ucrit_pid[100]; /* Ugly !!! */ /* added by OH */
44 int Ucrit_MaxPid=0; /* added by OH */
45 unsigned int Ucrit_IsActive = 0; /* added by OH */
47 int main(int argc, char *argv[])
52 static pstring servicesf = CONFIGFILE;
56 BOOL processes_only=False;
59 pstring shmem_file_name;
60 share_mode_record *scanner_p;
61 share_mode_record *prev_p;
62 int bytes_free, bytes_used, bytes_overhead, bytes_total;
71 setup_logging(argv[0],True);
76 dbf = fopen("/dev/null","w");
78 if (getuid() != geteuid()) {
79 printf("smbstatus should not be run setuid\n");
83 while ((c = getopt(argc, argv, "pds:u:")) != EOF) {
92 strcpy(servicesf, optarg);
94 case 'u': /* added by OH */
95 Ucrit_addUsername(optarg); /* added by OH */
98 fprintf(stderr, "Usage: %s [-d] [-p] [-s configfile] [-u username]\n", *argv); /* changed by OH */
103 if (!lp_load(servicesf,False)) {
104 fprintf(stderr, "Can't load %s - run testparm to debug it\n", servicesf);
108 get_myname(myhostname, NULL);
111 printf("using configfile = %s\n", servicesf);
112 printf("lockdir = %s\n", *lp_lockdir() ? lp_lockdir() : "NULL");
115 strcpy(fname,lp_lockdir());
116 standard_sub_basic(fname);
117 trim_string(fname,"","/");
118 strcat(fname,"/STATUS..LCK");
120 f = fopen(fname,"r");
122 printf("Couldn't open status file %s\n",fname);
124 printf("You need to have status=yes in your smb config file\n");
128 printf("Opened status file %s\n", fname);
133 if (!processes_only) {
134 printf("\nSamba version %s\n",VERSION);
136 printf("Service uid gid pid machine\n");
137 printf("----------------------------------------------\n");
142 if (fread(&crec,sizeof(crec),1,f) != 1)
144 if ( crec.magic == 0x280267 && process_exists(crec.pid)
145 && Ucrit_checkUsername(uidtoname(crec.uid)) /* added by OH */
148 Ucrit_addPid(crec.pid); /* added by OH */
149 if (processes_only) {
150 if (last_pid != crec.pid)
151 printf("%d\n",crec.pid);
152 last_pid = crec.pid; /* XXXX we can still get repeats, have to
153 add a sort at some time */
156 printf("%-10.10s %-8s %-8s %5d %-8s (%s) %s",
157 crec.name,uidtoname(crec.uid),gidtoname(crec.gid),crec.pid,
158 crec.machine,crec.addr,
159 asctime(LocalTime(&crec.start)));
164 if (processes_only) exit(0);
169 /*******************************************************************
170 initialize the shared memory for share_mode management
171 ******************************************************************/
174 strcpy(shmem_file_name,lp_lockdir());
175 trim_string(shmem_file_name,"","/");
176 if (!*shmem_file_name) exit(-1);
177 strcat(shmem_file_name, "/SHARE_MEM_FILE");
178 if(!shm_open(shmem_file_name, SHMEM_SIZE)) exit(-1);
186 scanner_p = (share_mode_record *)shm_offset2addr(shm_get_userdef_off());
193 pid = scanner_p->pid;
195 if ( !Ucrit_checkPid(pid) )
198 scanner_p = (share_mode_record *)shm_offset2addr(scanner_p->next_offset);
202 if( (scanner_p->locking_version != LOCKING_VERSION) || !process_exists(pid))
204 DEBUG(2,("Deleting stale share mode record"));
205 if(prev_p == scanner_p)
207 shm_set_userdef_off(scanner_p->next_offset);
208 shm_free(shm_addr2offset(scanner_p));
209 scanner_p = (share_mode_record *)shm_offset2addr(shm_get_userdef_off());
214 prev_p->next_offset = scanner_p->next_offset;
215 shm_free(shm_addr2offset(scanner_p));
216 scanner_p = (share_mode_record *)shm_offset2addr(prev_p->next_offset);
221 mode = scanner_p->share_mode;
222 strcpy(fname, scanner_p->file_name);
224 dir = opendir(lp_lockdir());
226 while ((s=readdirname(dir))) {
234 if (sscanf(s,"share.%d.%d",&dev,&inode)!=2) continue;
236 strcpy(lname,lp_lockdir());
237 trim_string(lname,NULL,"/");
241 fd = open(lname,O_RDONLY,0);
242 if (fd < 0) continue;
243 if (read(fd,buf,16) != 16) continue;
244 n = read(fd,fname,sizeof(fname));
252 if ( !Ucrit_checkPid(pid) ) /* added by OH */
255 if (IVAL(buf,12) != LOCKING_VERSION || !process_exists(pid)) {
256 if (unlink(lname)==0)
257 printf("Deleted stale share file %s\n",s);
262 fname[sizeof(fname)-1] = 0;
266 printf("Locked files:\n");
267 printf("Pid DenyMode R/W Name\n");
268 printf("------------------------------\n");
273 switch ((mode>>4)&0xF)
275 case DENY_NONE: printf("DENY_NONE "); break;
276 case DENY_ALL: printf("DENY_ALL "); break;
277 case DENY_DOS: printf("DENY_DOS "); break;
278 case DENY_READ: printf("DENY_READ "); break;
279 case DENY_WRITE:printf("DENY_WRITE "); break;
283 case 0: printf("RDONLY "); break;
284 case 1: printf("WRONLY "); break;
285 case 2: printf("RDWR "); break;
287 printf(" %s %s",fname,asctime(LocalTime(&t)));
291 scanner_p = (share_mode_record *)shm_offset2addr(scanner_p->next_offset);
294 shm_get_usage(&bytes_free, &bytes_used, &bytes_overhead);
295 bytes_total = bytes_free + bytes_used + bytes_overhead;
298 /*******************************************************************
299 deinitialize the shared memory for share_mode management
300 ******************************************************************/
309 printf("No locked files\n");
311 printf("\nShare mode memory usage (bytes):\n");
312 printf(" %d(%d%%) free + %d(%d%%) used + %d(%d%%) overhead = %d(100%%) total\n",
313 bytes_free, (bytes_free * 100)/bytes_total,
314 bytes_used, (bytes_used * 100)/bytes_total,
315 bytes_overhead, (bytes_overhead * 100)/bytes_total,
324 void Ucrit_addUsername(pstring username)
326 strcpy(Ucrit_username, username);
327 if(strlen(Ucrit_username) > 0)
331 unsigned int Ucrit_checkUsername(pstring username)
333 if ( !Ucrit_IsActive) return 1;
334 if (strcmp(Ucrit_username,username) ==0) return 1;
338 void Ucrit_addPid(int pid)
341 if ( !Ucrit_IsActive) return;
342 for (i=0;i<Ucrit_MaxPid;i++)
343 if( pid == Ucrit_pid[i] ) return;
344 Ucrit_pid[Ucrit_MaxPid++] = pid;
347 unsigned int Ucrit_checkPid(int pid)
350 if ( !Ucrit_IsActive) return 1;
351 for (i=0;i<Ucrit_MaxPid;i++)
352 if( pid == Ucrit_pid[i] ) return 1;