summaryrefslogtreecommitdiff
path: root/source3/utils/status.c
blob: f99fe9e5618ea12a85cacfe357bfaa1acbeeedf8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
/* 
   Unix SMB/Netbios implementation.
   Version 1.9.
   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 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.

   Revision History:

   12 aug 96: Erik.Devriendt@te6.siemens.be
   added support for shared memory implementation of share mode locking
*/

/*
 * This program reports current SMB connections
 */

#ifdef SYSLOG
#undef SYSLOG
#endif

#include "includes.h"

struct connect_record crec;

struct session_record{
  int pid;
  int uid;
  char machine[31];
  time_t start;
  struct session_record *next;
} *srecs;

extern int DEBUGLEVEL;
extern FILE *dbf;
extern pstring myhostname;

static pstring Ucrit_username = "";                   /* added by OH */
int            Ucrit_pid[100];  /* Ugly !!! */        /* added by OH */
int            Ucrit_MaxPid=0;                        /* added by OH */
unsigned int   Ucrit_IsActive = 0;                    /* added by OH */

/* we need these because we link to locking*.o */
 void become_root(BOOL save_dir) {}
 void unbecome_root(BOOL restore_dir) {}
connection_struct Connections[MAX_CONNECTIONS];
files_struct Files[MAX_OPEN_FILES];
struct current_user current_user;


static void print_share_mode(share_mode_entry *e, char *fname)
{
	static int count;
	if (count==0) {
		printf("Locked files:\n");
		printf("Pid    DenyMode   R/W        Oplock           Name\n");
		printf("--------------------------------------------------\n");
	}
	count++;

	printf("%-5d  ",e->pid);
	switch ((e->share_mode>>4)&0xF) {
	case DENY_NONE: printf("DENY_NONE  "); break;
	case DENY_ALL:  printf("DENY_ALL   "); break;
	case DENY_DOS:  printf("DENY_DOS   "); break;
	case DENY_READ: printf("DENY_READ  "); break;
	case DENY_WRITE:printf("DENY_WRITE "); break;
	}
	switch (e->share_mode&0xF) {
	case 0: printf("RDONLY     "); break;
	case 1: printf("WRONLY     "); break;
	case 2: printf("RDWR       "); break;
	}

	if((e->op_type & 
	    (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) == 
	   (EXCLUSIVE_OPLOCK|BATCH_OPLOCK))
		printf("EXCLUSIVE+BATCH ");
	else if (e->op_type & EXCLUSIVE_OPLOCK)
		printf("EXCLUSIVE       ");
	else if (e->op_type & BATCH_OPLOCK)
		printf("BATCH           ");
	else
		printf("NONE            ");

	printf(" %s   %s",fname,asctime(LocalTime((time_t *)&e->time.tv_sec)));
}



 int main(int argc, char *argv[])
{
  FILE *f;
  pstring fname;
  int uid, c;
  static pstring servicesf = CONFIGFILE;
  extern char *optarg;
  int verbose = 0, brief =0;
  BOOL processes_only=False;
  int last_pid=0;
  struct session_record *ptr;


  TimeInit();
  setup_logging(argv[0],True);

  charset_initialise();

  DEBUGLEVEL = 0;
  dbf = fopen("/dev/null","w");

  if (getuid() != geteuid()) {
    printf("smbstatus should not be run setuid\n");
    return(1);
  }

  while ((c = getopt(argc, argv, "pds:u:b")) != EOF) {
    switch (c) {
    case 'b':
      brief = 1;
      break;
    case 'd':
      verbose = 1;
      break;
    case 'p':
      processes_only = 1;
      break;
    case 's':
      strcpy(servicesf, optarg);
      break;
    case 'u':                                       /* added by OH */
      Ucrit_addUsername(optarg);                    /* added by OH */
      break;
    default:
      fprintf(stderr, "Usage: %s [-d] [-p] [-s configfile] [-u username]\n", *argv); /* changed by OH */
      return (-1);
    }
  }

  get_myname(myhostname, NULL);

  if (!lp_load(servicesf,False,False,False)) {
    fprintf(stderr, "Can't load %s - run testparm to debug it\n", servicesf);
    return (-1);
  }

  if (verbose) {
    printf("using configfile = %s\n", servicesf);
    printf("lockdir = %s\n", *lp_lockdir() ? lp_lockdir() : "NULL");
  }

  strcpy(fname,lp_lockdir());
  standard_sub_basic(fname);
  trim_string(fname,"","/");
  strcat(fname,"/STATUS..LCK");

  f = fopen(fname,"r");
  if (!f) {
    printf("Couldn't open status file %s\n",fname);
    if (!lp_status(-1))
      printf("You need to have status=yes in your smb config file\n");
    return(0);
  }
  else if (verbose) {
    printf("Opened status file %s\n", fname);
  }

  uid = getuid();

  if (!processes_only) {
    printf("\nSamba version %s\n",VERSION);

    if (brief)
    {
      printf("PID     Username  Machine                       Time logged in\n");
      printf("-------------------------------------------------------------------\n");
    }
    else
    {
      printf("Service      uid      gid      pid     machine\n");
      printf("----------------------------------------------\n");
    }
  }

  while (!feof(f))
    {
      if (fread(&crec,sizeof(crec),1,f) != 1)
	break;
      if (crec.cnum == -1) continue;
      if ( crec.magic == 0x280267 && process_exists(crec.pid) 
           && Ucrit_checkUsername(uidtoname(crec.uid))                      /* added by OH */
         )
      {
        if (brief)
        {
	  ptr=srecs;
	  while (ptr!=NULL)
	  {
	    if ((ptr->pid==crec.pid)&&(strncmp(ptr->machine,crec.machine,30)==0)) 
	    {
	      if (ptr->start > crec.start)
		ptr->start=crec.start;
	      break;
	    }
	    ptr=ptr->next;
	  }
	  if (ptr==NULL)
	  {
	    ptr=(struct session_record *) malloc(sizeof(struct session_record));
	    ptr->uid=crec.uid;
	    ptr->pid=crec.pid;
	    ptr->start=crec.start;
	    strncpy(ptr->machine,crec.machine,30);
	    ptr->machine[30]='\0';
	    ptr->next=srecs;
	    srecs=ptr;
	  }
        }
        else
        {
	  Ucrit_addPid(crec.pid);                                             /* added by OH */
	  if (processes_only) {
	    if (last_pid != crec.pid)
	      printf("%d\n",crec.pid);
	    last_pid = crec.pid; /* XXXX we can still get repeats, have to
				    add a sort at some time */
	  }
	  else	  
	    printf("%-10.10s   %-8s %-8s %5d   %-8s (%s) %s",
		   crec.name,uidtoname(crec.uid),gidtoname(crec.gid),crec.pid,
		   crec.machine,crec.addr,
		   asctime(LocalTime(&crec.start)));
        }
      }
    }
  fclose(f);

  if (processes_only) exit(0);
  
  if (brief)
  {
    ptr=srecs;
    while (ptr!=NULL)
    {
      printf("%-8d%-10.10s%-30.30s%s",ptr->pid,uidtoname(ptr->uid),ptr->machine,asctime(LocalTime(&(ptr->start))));
    ptr=ptr->next;
    }
    printf("\n");
    exit(0);
  }

  printf("\n");

  locking_init(1);

  if (share_mode_forall(print_share_mode) <= 0)
    printf("No locked files\n");

  printf("\n");

  share_status(stdout);

  locking_end();

  return (0);
}

/* added by OH */
void Ucrit_addUsername(pstring username)
{
  strcpy(Ucrit_username, username);
  if(strlen(Ucrit_username) > 0)
    Ucrit_IsActive = 1;
}

unsigned int Ucrit_checkUsername(pstring username)
{
  if ( !Ucrit_IsActive) return 1;
  if (strcmp(Ucrit_username,username) ==0) return 1;
  return 0;
}

void Ucrit_addPid(int pid)
{
  int i;
  if ( !Ucrit_IsActive) return;
  for (i=0;i<Ucrit_MaxPid;i++)
    if( pid == Ucrit_pid[i] ) return;
  Ucrit_pid[Ucrit_MaxPid++] = pid;
}

unsigned int   Ucrit_checkPid(int pid)
{
  int i;
  if ( !Ucrit_IsActive) return 1;
  for (i=0;i<Ucrit_MaxPid;i++)
    if( pid == Ucrit_pid[i] ) return 1;
  return 0;
}