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
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
*/
-#ifdef SYSLOG
-#undef SYSLOG
-#endif
+#define NO_SYSLOG
#include "includes.h"
-#include "loadparm.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;
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 */
-void Ucrit_addUsername(pstring username); /* added by OH */
-unsigned int Ucrit_checkUsername(pstring username); /* added by OH */
-void Ucrit_addPid(int pid); /* added by OH */
-unsigned int Ucrit_checkPid(int pid); /* added by OH */
-
-int main(int argc, char *argv[])
+static pid_t Ucrit_pid[100]; /* Ugly !!! */ /* added by OH */
+static int Ucrit_MaxPid=0; /* added by OH */
+static unsigned int Ucrit_IsActive = 0; /* added by OH */
+static int verbose, brief;
+static int shares_only = 0; /* Added by RJS */
+static int locks_only = 0; /* Added by RJS */
+static BOOL processes_only=False;
+static int show_brl;
+
+/* 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)
{
- FILE *f;
- pstring fname;
- int uid, c, n;
- static pstring servicesf = CONFIGFILE;
- extern char *optarg;
- int verbose = 0;
- void *dir;
- char *s;
- BOOL firstopen=True;
- BOOL processes_only=False;
- int last_pid=0;
-
- 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, "pdsu:")) != EOF) {
- switch (c) {
- 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);
- }
- }
-
-
-
- if (!lp_load(servicesf,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);
- }
-
- uid = getuid();
-
- if (!processes_only) {
- printf("\nSamba version %s\n",VERSION);
-
- printf("Service uid gid pid machine\n");
- printf("----------------------------------------------\n");
- }
-
- 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 */
+ 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 (GET_DENY_MODE(e->share_mode)) {
+ 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;
+ case DENY_FCB: printf("DENY_FCB "); 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)));
}
- 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,GMT_TO_LOCAL)));
- }
- }
- fclose(f);
-
- if (processes_only) exit(0);
-
- printf("\n");
-
- 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;
- }
-
- 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)
- {
- 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 (mode&0xF)
- {
- case 0: printf("RDONLY "); break;
- case 1: printf("WRONLY "); break;
- case 2: printf("RDWR "); break;
- }
- printf(" %s %s",fname,asctime(LocalTime(&t,GMT_TO_LOCAL)));
- }
- closedir(dir);
-
- if (firstopen)
- printf("No locked files\n");
-
- return (0);
}
-/* added by OH */
-void Ucrit_addUsername(pstring username)
+static void print_brl(SMB_DEV_T dev, SMB_INO_T ino, int pid,
+ enum brl_type lock_type,
+ br_off start, br_off size)
{
- strcpy(Ucrit_username, username);
- if(strlen(Ucrit_username) > 0)
- Ucrit_IsActive = 1;
+ static int count;
+ if (count==0) {
+ printf("Byte range locks:\n");
+ printf(" Pid dev:inode R/W start size\n");
+ printf("------------------------------------------------\n");
+ }
+ count++;
+
+ printf("%6d %05x:%05x %s %9.0f %9.0f\n",
+ (int)pid, (int)dev, (int)ino,
+ lock_type==READ_LOCK?"R":"W",
+ (double)start, (double)size);
}
-unsigned int Ucrit_checkUsername(pstring username)
+
+/*******************************************************************
+ dump the elements of the profile structure
+ ******************************************************************/
+static int profile_dump(void)
{
- if ( !Ucrit_IsActive) return 1;
- if (strcmp(Ucrit_username,username) ==0) return 1;
- return 0;
+#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
}
-void Ucrit_addPid(int pid)
+
+static int traverse_fn1(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, void *state)
{
- 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 pid_t last_pid;
+ struct session_record *ptr;
+ struct connections_data crec;
+
+ memcpy(&crec, dbuf.dptr, sizeof(crec));
+
+ if (crec.cnum == -1) return 0;
+
+ if (!process_exists(crec.pid) || !Ucrit_checkUsername(uidtoname(crec.uid))) {
+ return 0;
+ }
+
+ 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);
+ 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)));
+ }
+ }
+
+ return 0;
}
-unsigned int Ucrit_checkPid(int pid)
+
+
+
+ int main(int argc, char *argv[])
{
- int i;
- if ( !Ucrit_IsActive) return 1;
- for (i=0;i<Ucrit_MaxPid;i++)
- if( pid == Ucrit_pid[i] ) return 1;
- return 0;
+ pstring fname;
+ int c;
+ static pstring servicesf = CONFIGFILE;
+ extern char *optarg;
+ int profile_only = 0;
+ TDB_CONTEXT *tdb;
+ 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:bPB")) != EOF) {
+ switch (c) {
+ case 'b':
+ brief = 1;
+ break;
+ case 'B':
+ show_brl = 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':
+ pstrcpy(servicesf, optarg);
+ break;
+ case 'u':
+ Ucrit_addUsername(optarg);
+ break;
+ default:
+ fprintf(stderr, "Usage: %s [-P] [-d] [-L] [-p] [-S] [-s configfile] [-u username]\n", *argv);
+ return (-1);
+ }
+ }
+
+ 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);
+ }
+
+ if (profile_only) {
+ return profile_dump();
+ }
+
+ tdb = tdb_open(lock_path("connections.tdb"), 0, 0, O_RDONLY, 0);
+ if (!tdb) {
+ printf("connections.tdb not initialised\n");
+ 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) goto locks;
+
+ 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");
+ }
+ tdb_traverse(tdb, traverse_fn1, NULL);
+
+ locks:
+ if (processes_only) exit(0);
+
+ 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);
+ }
+
+ printf("\n");
+
+ if (!shares_only) {
+ int ret;
+
+ if (!locking_init(1)) {
+ printf("Can't initialise locking module - exiting\n");
+ exit(1);
+ }
+
+ ret = share_mode_forall(print_share_mode);
+
+ if (ret == 0) {
+ printf("No locked files\n");
+ } else if (ret == -1) {
+ printf("locked file list truncated\n");
+ }
+
+ printf("\n");
+
+ if (show_brl) {
+ brl_forall(print_brl);
+ }
+
+ locking_end();
+ }
+
+ return (0);
}
git.samba.org / kai / samba.git / blobdiff