Unix SMB/Netbios implementation.
Version 1.9.
status reporting
- Copyright (C) Andrew Tridgell 1994-1995
+ 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
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
*/
-#ifdef SYSLOG
-#undef SYSLOG
-#endif
+#define NO_SYSLOG
#include "includes.h"
struct connect_record crec;
+
+struct session_record{
+ pid_t pid;
+ uid_t 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 */
+pid_t 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(pid_t 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(pid_t 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 ",(int)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 if (e->op_type & LEVEL_II_OPLOCK)
+ printf("LEVEL_II ");
+ else
+ printf("NONE ");
+
+ printf(" %s %s",dos_to_unix(fname,False),
+ asctime(LocalTime((time_t *)&e->time.tv_sec)));
+ }
+}
+
+
+/*******************************************************************
+ dump the elements of the profile structure
+ ******************************************************************/
+static int profile_dump(void)
+{
+#ifndef WITH_PROFILE
+ fprintf(stderr,"ERROR: not compiled with profile support\n");
+ return -1;
+#else
+ if (!profile_setup(True)) {
+ fprintf(stderr,"Failed to initialise profile memory\n");
+ return -1;
+ }
+
+ printf("smb_count:\t%u\n", profile_p->smb_count);
+ printf("uid_changes:\t%u\n", profile_p->uid_changes);
+ return 0;
+#endif
+}
+
+
+
int main(int argc, char *argv[])
{
FILE *f;
pstring fname;
- int uid, c;
+ int c;
static pstring servicesf = CONFIGFILE;
extern char *optarg;
- int verbose = 0;
- BOOL firstopen=True;
+ int verbose = 0, brief =0;
BOOL processes_only=False;
- int last_pid=0;
-#ifdef FAST_SHARE_MODES
- pstring shmem_file_name;
- share_mode_record *scanner_p;
- share_mode_record *prev_p;
- int bytes_free, bytes_used, bytes_overhead, bytes_total;
-#else
- int n;
- void *dir;
- char *s;
-#endif
-
+ pid_t last_pid=(pid_t)0;
+ struct session_record *ptr;
+ int profile_only = 0;
TimeInit();
setup_logging(argv[0],True);
charset_initialise();
DEBUGLEVEL = 0;
- dbf = fopen("/dev/null","w");
+ dbf = stderr;
if (getuid() != geteuid()) {
printf("smbstatus should not be run setuid\n");
return(1);
}
- while ((c = getopt(argc, argv, "pds:u:")) != EOF) {
+ while ((c = getopt(argc, argv, "pdLSs:u:bP")) != 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 'P':
+ profile_only = 1;
+ break;
+ case 'S':
+ shares_only = 1;
+ break;
case 's':
- strcpy(servicesf, optarg);
+ pstrcpy(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 */
+ fprintf(stderr, "Usage: %s [-P] [-d] [-L] [-p] [-S] [-s configfile] [-u username]\n", *argv); /* changed by OH */
return (-1);
}
}
- if (!lp_load(servicesf,False)) {
+ if (!lp_load(servicesf,False,False,False)) {
fprintf(stderr, "Can't load %s - run testparm to debug it\n", servicesf);
return (-1);
}
- get_myname(myhostname, NULL);
-
if (verbose) {
printf("using configfile = %s\n", servicesf);
printf("lockdir = %s\n", *lp_lockdir() ? lp_lockdir() : "NULL");
}
- strcpy(fname,lp_lockdir());
+ if (profile_only) {
+ return profile_dump();
+ }
+
+ pstrcpy(fname,lp_lockdir());
standard_sub_basic(fname);
trim_string(fname,"","/");
- strcat(fname,"/STATUS..LCK");
+ pstrcat(fname,"/STATUS..LCK");
- f = fopen(fname,"r");
+ f = sys_fopen(fname,"r");
if (!f) {
printf("Couldn't open status file %s\n",fname);
if (!lp_status(-1))
printf("Opened status file %s\n", fname);
}
- uid = getuid();
-
- if (!processes_only) {
- printf("\nSamba version %s\n",VERSION);
+ if (!locks_only) {
- printf("Service uid gid pid machine\n");
- printf("----------------------------------------------\n");
- }
+ if (!processes_only) {
+ printf("\nSamba version %s\n",VERSION);
- while (!feof(f))
- {
- if (fread(&crec,sizeof(crec),1,f) != 1)
- break;
- if ( crec.magic == 0x280267 && process_exists(crec.pid)
- && Ucrit_checkUsername(uidtoname(crec.uid)) /* added by OH */
- )
- {
- 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);
-
- printf("\n");
-
-#ifdef FAST_SHARE_MODES
- /*******************************************************************
- initialize the shared memory for share_mode management
- ******************************************************************/
-
-
- strcpy(shmem_file_name,lp_lockdir());
- trim_string(shmem_file_name,"","/");
- if (!*shmem_file_name) exit(-1);
- strcat(shmem_file_name, "/SHARE_MEM_FILE");
- if(!shm_open(shmem_file_name, SHMEM_SIZE)) exit(-1);
-
- if(!shm_lock())
- {
- shm_close();
- exit (-1);
- }
-
- scanner_p = (share_mode_record *)shm_offset2addr(shm_get_userdef_off());
- prev_p = scanner_p;
- while(scanner_p)
- {
- int pid,mode;
- time_t t;
-
- pid = scanner_p->pid;
-
- if ( !Ucrit_checkPid(pid) )
- {
- prev_p = scanner_p ;
- scanner_p = (share_mode_record *)shm_offset2addr(scanner_p->next_offset);
- continue;
- }
-
- if( (scanner_p->locking_version != LOCKING_VERSION) || !process_exists(pid))
- {
- DEBUG(2,("Deleting stale share mode record"));
- if(prev_p == scanner_p)
+ if (brief)
{
- shm_set_userdef_off(scanner_p->next_offset);
- shm_free(shm_addr2offset(scanner_p));
- scanner_p = (share_mode_record *)shm_offset2addr(shm_get_userdef_off());
- prev_p = scanner_p;
+ printf("PID Username Machine Time logged in\n");
+ printf("-------------------------------------------------------------------\n");
}
- else
+ else
{
- prev_p->next_offset = scanner_p->next_offset;
- shm_free(shm_addr2offset(scanner_p));
- scanner_p = (share_mode_record *)shm_offset2addr(prev_p->next_offset);
+ printf("Service uid gid pid machine\n");
+ printf("----------------------------------------------\n");
}
- continue;
- }
- t = scanner_p->time;
- mode = scanner_p->share_mode;
- strcpy(fname, scanner_p->file_name);
-#else
- dir = opendir(lp_lockdir());
- if (!dir) return(0);
- while ((s=readdirname(dir))) {
- char buf[16];
- int pid,mode;
- time_t t;
- int fd;
- pstring lname;
- int dev,inode;
-
- if (sscanf(s,"share.%d.%d",&dev,&inode)!=2) continue;
-
- strcpy(lname,lp_lockdir());
- trim_string(lname,NULL,"/");
- strcat(lname,"/");
- strcat(lname,s);
-
- fd = open(lname,O_RDONLY,0);
- if (fd < 0) continue;
- if (read(fd,buf,16) != 16) continue;
- n = read(fd,fname,sizeof(fname));
- fname[MAX(n,0)]=0;
- close(fd);
-
- t = IVAL(buf,0);
- mode = IVAL(buf,4);
- pid = IVAL(buf,8);
-
- if ( !Ucrit_checkPid(pid) ) /* added by OH */
- continue;
-
- if (IVAL(buf,12) != LOCKING_VERSION || !process_exists(pid)) {
- if (unlink(lname)==0)
- printf("Deleted stale share file %s\n",s);
- continue;
- }
-#endif
-
- fname[sizeof(fname)-1] = 0;
-
- if (firstopen) {
- firstopen=False;
- printf("Locked files:\n");
- printf("Pid DenyMode R/W Name\n");
- printf("------------------------------\n");
}
-
- printf("%-5d ",pid);
- switch ((mode>>4)&0xF)
+ while (!feof(f))
{
- 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;
+ 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",(int)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),(int)crec.pid,
+ crec.machine,crec.addr,
+ asctime(LocalTime(&crec.start)));
+ }
+ }
}
- switch (mode&0xF)
- {
- case 0: printf("RDONLY "); break;
- case 1: printf("WRONLY "); break;
- case 2: printf("RDWR "); break;
- }
- printf(" %s %s",fname,asctime(LocalTime(&t)));
-
-#ifdef FAST_SHARE_MODES
- prev_p = scanner_p ;
- scanner_p = (share_mode_record *)shm_offset2addr(scanner_p->next_offset);
- } /* end while */
-
- shm_get_usage(&bytes_free, &bytes_used, &bytes_overhead);
- bytes_total = bytes_free + bytes_used + bytes_overhead;
- shm_unlock();
-
- /*******************************************************************
- deinitialize the shared memory for share_mode management
- ******************************************************************/
- shm_close();
-
-#else
- } /* end while */
- closedir(dir);
-
-#endif
- if (firstopen)
- printf("No locked files\n");
-#ifdef FAST_SHARE_MODES
- printf("\nShare mode memory usage (bytes):\n");
- printf(" %d(%d%%) free + %d(%d%%) used + %d(%d%%) overhead = %d(100%%) total\n",
- bytes_free, (bytes_free * 100)/bytes_total,
- bytes_used, (bytes_used * 100)/bytes_total,
- bytes_overhead, (bytes_overhead * 100)/bytes_total,
- bytes_total);
+ fclose(f);
+ }
+ if (processes_only) exit(0);
-#endif
-
- return (0);
-}
-
-/* added by OH */
-void Ucrit_addUsername(pstring username)
-{
- strcpy(Ucrit_username, username);
- if(strlen(Ucrit_username) > 0)
- Ucrit_IsActive = 1;
-}
+ if (brief)
+ {
+ ptr=srecs;
+ while (ptr!=NULL)
+ {
+ printf("%-8d%-10.10s%-30.30s%s",(int)ptr->pid,uidtoname(ptr->uid),ptr->machine,asctime(LocalTime(&(ptr->start))));
+ ptr=ptr->next;
+ }
+ printf("\n");
+ exit(0);
+ }
-unsigned int Ucrit_checkUsername(pstring username)
-{
- if ( !Ucrit_IsActive) return 1;
- if (strcmp(Ucrit_username,username) ==0) return 1;
- return 0;
-}
+ printf("\n");
-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;
-}
+ 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();
+ }
-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;
+ return (0);
}
git.samba.org / kai / samba.git / blobdiff