source/utils/status.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 1.9.
   4    status reporting
   5    Copyright (C) Andrew Tridgell 1994-1998
   6
   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.
  11
  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.
  16
  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.
  20
  21    Revision History:
  22
  23    12 aug 96: Erik.Devriendt@te6.siemens.be
  24    added support for shared memory implementation of share mode locking
  25
  26    21-Jul-1998: rsharpe@ns.aus.com (Richard Sharpe)
  27    Added -L (locks only) -S (shares only) flags and code
  28
  29 */
  30
  31 /*
  32  * This program reports current SMB connections
  33  */
  34
  35 #define NO_SYSLOG
  36
  37 #include "includes.h"
  38
  39 struct connect_record crec;
  40
  41 struct session_record{
  42   int pid;
  43   int uid;
  44   char machine[31];
  45   time_t start;
  46   struct session_record *next;
  47 } *srecs;
  48
  49 extern int DEBUGLEVEL;
  50 extern FILE *dbf;
  51 extern pstring myhostname;
  52
  53 static pstring Ucrit_username = "";                   /* added by OH */
  54 int            Ucrit_pid[100];  /* Ugly !!! */        /* added by OH */
  55 int            Ucrit_MaxPid=0;                        /* added by OH */
  56 unsigned int   Ucrit_IsActive = 0;                    /* added by OH */
  57
  58 int            shares_only = 0;            /* Added by RJS */
  59 int            locks_only  = 0;            /* Added by RJS */
  60
  61 /* we need these because we link to locking*.o */
  62  void become_root(BOOL save_dir) {}
  63  void unbecome_root(BOOL restore_dir) {}
  64 files_struct Files[MAX_OPEN_FILES];
  65
  66
  67 /* added by OH */
  68 static void Ucrit_addUsername(char *username)
  69 {
  70         pstrcpy(Ucrit_username, username);
  71         if(strlen(Ucrit_username) > 0)
  72                 Ucrit_IsActive = 1;
  73 }
  74
  75 static unsigned int Ucrit_checkUsername(char *username)
  76 {
  77         if ( !Ucrit_IsActive) return 1;
  78         if (strcmp(Ucrit_username,username) ==0) return 1;
  79         return 0;
  80 }
  81
  82 static void Ucrit_addPid(int pid)
  83 {
  84         int i;
  85         if ( !Ucrit_IsActive) return;
  86         for (i=0;i<Ucrit_MaxPid;i++)
  87                 if( pid == Ucrit_pid[i] ) return;
  88         Ucrit_pid[Ucrit_MaxPid++] = pid;
  89 }
  90
  91 static unsigned int Ucrit_checkPid(int pid)
  92 {
  93         int i;
  94         if ( !Ucrit_IsActive) return 1;
  95         for (i=0;i<Ucrit_MaxPid;i++)
  96                 if( pid == Ucrit_pid[i] ) return 1;
  97         return 0;
  98 }
  99
 100
 101 static void print_share_mode(share_mode_entry *e, char *fname)
 102 {
 103         static int count;
 104         if (count==0) {
 105                 printf("Locked files:\n");
 106                 printf("Pid    DenyMode   R/W        Oplock           Name\n");
 107                 printf("--------------------------------------------------\n");
 108         }
 109         count++;
 110
 111         if (Ucrit_checkPid(e->pid)) {
 112           printf("%-5d  ",e->pid);
 113           switch ((e->share_mode>>4)&0xF) {
 114           case DENY_NONE: printf("DENY_NONE  "); break;
 115           case DENY_ALL:  printf("DENY_ALL   "); break;
 116           case DENY_DOS:  printf("DENY_DOS   "); break;
 117           case DENY_READ: printf("DENY_READ  "); break;
 118           case DENY_WRITE:printf("DENY_WRITE "); break;
 119           }
 120           switch (e->share_mode&0xF) {
 121           case 0: printf("RDONLY     "); break;
 122           case 1: printf("WRONLY     "); break;
 123           case 2: printf("RDWR       "); break;
 124           }
 125
 126           if((e->op_type &
 127              (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) ==
 128               (EXCLUSIVE_OPLOCK|BATCH_OPLOCK))
 129                 printf("EXCLUSIVE+BATCH ");
 130           else if (e->op_type & EXCLUSIVE_OPLOCK)
 131                 printf("EXCLUSIVE       ");
 132           else if (e->op_type & BATCH_OPLOCK)
 133                 printf("BATCH           ");
 134           else
 135                 printf("NONE            ");
 136
 137           printf(" %s   %s",fname,asctime(LocalTime((time_t *)&e->time.tv_sec)));
 138         }
 139 }
 140
 141
 142
 143  int main(int argc, char *argv[])
 144 {
 145   FILE *f;
 146   pstring fname;
 147   int uid, c;
 148   static pstring servicesf = CONFIGFILE;
 149   extern char *optarg;
 150   int verbose = 0, brief =0;
 151   BOOL processes_only=False;
 152   int last_pid=0;
 153   struct session_record *ptr;
 154
 155
 156   TimeInit();
 157   setup_logging(argv[0],True);
 158
 159   charset_initialise();
 160
 161   DEBUGLEVEL = 0;
 162   dbf = stderr;
 163
 164   if (getuid() != geteuid()) {
 165     printf("smbstatus should not be run setuid\n");
 166     return(1);
 167   }
 168
 169   while ((c = getopt(argc, argv, "pdLSs:u:b")) != EOF) {
 170     switch (c) {
 171     case 'b':
 172       brief = 1;
 173       break;
 174     case 'd':
 175       verbose = 1;
 176       break;
 177     case 'L':
 178       locks_only = 1;
 179       break;
 180     case 'p':
 181       processes_only = 1;
 182       break;
 183     case 'S':
 184       shares_only = 1;
 185       break;
 186     case 's':
 187       pstrcpy(servicesf, optarg);
 188       break;
 189     case 'u':                                       /* added by OH */
 190       Ucrit_addUsername(optarg);                    /* added by OH */
 191       break;
 192     default:
 193       fprintf(stderr, "Usage: %s [-d] [-L] [-p] [-S] [-s configfile] [-u username]\n", *argv); /* changed by OH */
 194       return (-1);
 195     }
 196   }
 197
 198   get_myname(myhostname, NULL);
 199
 200   if (!lp_load(servicesf,False,False,False)) {
 201     fprintf(stderr, "Can't load %s - run testparm to debug it\n", servicesf);
 202     return (-1);
 203   }
 204
 205   if (verbose) {
 206     printf("using configfile = %s\n", servicesf);
 207     printf("lockdir = %s\n", *lp_lockdir() ? lp_lockdir() : "NULL");
 208   }
 209
 210   pstrcpy(fname,lp_lockdir());
 211   standard_sub_basic(fname);
 212   trim_string(fname,"","/");
 213   pstrcat(fname,"/STATUS..LCK");
 214
 215   f = fopen(fname,"r");
 216   if (!f) {
 217     printf("Couldn't open status file %s\n",fname);
 218     if (!lp_status(-1))
 219       printf("You need to have status=yes in your smb config file\n");
 220     return(0);
 221   }
 222   else if (verbose) {
 223     printf("Opened status file %s\n", fname);
 224   }
 225
 226   uid = getuid();
 227
 228   if (!locks_only) {
 229
 230     if (!processes_only) {
 231       printf("\nSamba version %s\n",VERSION);
 232
 233       if (brief)
 234         {
 235           printf("PID     Username  Machine                       Time logged in\n");
 236           printf("-------------------------------------------------------------------\n");
 237         }
 238       else
 239         {
 240           printf("Service      uid      gid      pid     machine\n");
 241           printf("----------------------------------------------\n");
 242         }
 243     }
 244
 245     while (!feof(f))
 246       {
 247         if (fread(&crec,sizeof(crec),1,f) != 1)
 248           break;
 249         if (crec.cnum == -1) continue;
 250         if ( crec.magic == 0x280267 && process_exists(crec.pid)
 251              && Ucrit_checkUsername(uidtoname(crec.uid))                      /* added by OH */
 252              )
 253           {
 254             if (brief)
 255               {
 256                 ptr=srecs;
 257                 while (ptr!=NULL)
 258                   {
 259                     if ((ptr->pid==crec.pid)&&(strncmp(ptr->machine,crec.machine,30)==0))
 260                       {
 261                         if (ptr->start > crec.start)
 262                           ptr->start=crec.start;
 263                         break;
 264                       }
 265                     ptr=ptr->next;
 266                   }
 267                 if (ptr==NULL)
 268                   {
 269                     ptr=(struct session_record *) malloc(sizeof(struct session_record));
 270                     ptr->uid=crec.uid;
 271                     ptr->pid=crec.pid;
 272                     ptr->start=crec.start;
 273                     strncpy(ptr->machine,crec.machine,30);
 274                     ptr->machine[30]='\0';
 275                     ptr->next=srecs;
 276                     srecs=ptr;
 277                   }
 278               }
 279             else
 280               {
 281                 Ucrit_addPid(crec.pid);                                             /* added by OH */
 282                 if (processes_only) {
 283                   if (last_pid != crec.pid)
 284                     printf("%d\n",crec.pid);
 285                   last_pid = crec.pid; /* XXXX we can still get repeats, have to
 286                                     add a sort at some time */
 287                 }
 288                 else
 289                   printf("%-10.10s   %-8s %-8s %5d   %-8s (%s) %s",
 290                          crec.name,uidtoname(crec.uid),gidtoname(crec.gid),crec.pid,
 291                          crec.machine,crec.addr,
 292                          asctime(LocalTime(&crec.start)));
 293               }
 294           }
 295       }
 296     fclose(f);
 297   }
 298   if (processes_only) exit(0);
 299
 300   if (brief)
 301   {
 302     ptr=srecs;
 303     while (ptr!=NULL)
 304     {
 305       printf("%-8d%-10.10s%-30.30s%s",ptr->pid,uidtoname(ptr->uid),ptr->machine,asctime(LocalTime(&(ptr->start))));
 306     ptr=ptr->next;
 307     }
 308     printf("\n");
 309     exit(0);
 310   }
 311
 312   printf("\n");
 313
 314   if (!shares_only) {
 315
 316     locking_init(1);
 317
 318     if (share_mode_forall(print_share_mode) <= 0)
 319       printf("No locked files\n");
 320
 321     printf("\n");
 322
 323     share_status(stdout);
 324
 325     locking_end();
 326   }
 327
 328   return (0);
 329 }
 330