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samba-mirror/source3/utils/status.c

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/*
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
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
*/
#define NO_SYSLOG
#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 */
int shares_only = 0; /* Added by RJS */
int locks_only = 0; /* Added by RJS */
/* we need these because we link to locking*.o */
void become_root(BOOL save_dir) {}
void unbecome_root(BOOL restore_dir) {}
/* added by OH */
static void Ucrit_addUsername(char *username)
{
pstrcpy(Ucrit_username, username);
if(strlen(Ucrit_username) > 0)
Ucrit_IsActive = 1;
}
static unsigned int Ucrit_checkUsername(char *username)
{
if ( !Ucrit_IsActive) return 1;
if (strcmp(Ucrit_username,username) ==0) return 1;
return 0;
}
static 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;
}
static 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;
}
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++;
if (Ucrit_checkPid(e->pid)) {
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 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 = stderr;
if (getuid() != geteuid()) {
printf("smbstatus should not be run setuid\n");
return(1);
}
while ((c = getopt(argc, argv, "pdLSs:u:b")) != EOF) {
switch (c) {
case 'b':
brief = 1;
break;
case 'd':
verbose = 1;
break;
case 'L':
locks_only = 1;
break;
case 'p':
processes_only = 1;
break;
case 'S':
shares_only = 1;
break;
case 's':
pstrcpy(servicesf, optarg);
break;
case 'u': /* added by OH */
Ucrit_addUsername(optarg); /* added by OH */
break;
default:
fprintf(stderr, "Usage: %s [-d] [-L] [-p] [-S] [-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");
}
pstrcpy(fname,lp_lockdir());
standard_sub_basic(fname);
trim_string(fname,"","/");
pstrcat(fname,"/STATUS..LCK");
f = sys_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);
}
if (!locks_only) {
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");
if (!shares_only) {
if (!locking_init(1)) {
printf("Can't initialise shared memory - exiting\n");
exit(1);
}
if (share_mode_forall(print_share_mode) <= 0)
printf("No locked files\n");
printf("\n");
share_status(stdout);
locking_end();
}
return (0);
}