status.c

samba-3.0.22.tar.gz 编译smb服务器的源码

/* 
   Unix SMB/CIFS implementation.
   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: [e-mail]
   added support for shared memory implementation of share mode locking

   21-Jul-1998: [e-mail] (Richard Sharpe)
   Added -L (locks only) -S (shares only) flags and code

*/

/*
 * This program reports current SMB connections
 */

#include "includes.h"

#define SMB_MAXPIDS		2048
static uid_t 		Ucrit_uid = 0;               /* added by OH */
static pid_t		Ucrit_pid[SMB_MAXPIDS];  /* 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;
static BOOL numeric_only = False;

const char *username = NULL;

/* added by OH */
static void Ucrit_addUid(uid_t uid)
{
	Ucrit_uid = uid;
	Ucrit_IsActive = 1;
}

static unsigned int Ucrit_checkUid(uid_t uid)
{
	if ( !Ucrit_IsActive ) 
		return 1;
	
	if ( uid == Ucrit_uid ) 
		return 1;
	
	return 0;
}

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 BOOL Ucrit_addPid( pid_t pid )
{
	if ( !Ucrit_IsActive )
		return True;

	if ( Ucrit_MaxPid >= SMB_MAXPIDS ) {
		d_printf("ERROR: More than %d pids for user %s!\n",
			 SMB_MAXPIDS, uidtoname(Ucrit_uid));

		return False;
	}

	Ucrit_pid[Ucrit_MaxPid++] = pid;
	
	return True;
}

static void print_share_mode(const struct share_mode_entry *e, const char *sharepath, const char *fname)
{
	static int count;

	if (!is_valid_share_mode_entry(e)) {
		return;
	}

	if (count==0) {
		d_printf("Locked files:\n");
		d_printf("Pid          DenyMode   Access      R/W        Oplock           SharePath           Name\n");
		d_printf("----------------------------------------------------------------------------------------\n");
	}
	count++;

	if (Ucrit_checkPid(procid_to_pid(&e->pid))) {
		d_printf("%-11s  ",procid_str_static(&e->pid));
		switch (map_share_mode_to_deny_mode(e->share_access,
						    e->private_options)) {
			case DENY_NONE: d_printf("DENY_NONE  "); break;
			case DENY_ALL:  d_printf("DENY_ALL   "); break;
			case DENY_DOS:  d_printf("DENY_DOS   "); break;
			case DENY_READ: d_printf("DENY_READ  "); break;
			case DENY_WRITE:printf("DENY_WRITE "); break;
			case DENY_FCB:  d_printf("DENY_FCB "); break;
			default: {
				d_printf("unknown-please report ! "
					 "e->share_access = 0x%x, "
					 "e->private_options = 0x%x\n",
					 (unsigned int)e->share_access,
					 (unsigned int)e->private_options );
				break;
			}
		}
		d_printf("0x%-8x  ",(unsigned int)e->access_mask);
		if ((e->access_mask & (FILE_READ_DATA|FILE_WRITE_DATA))==
				(FILE_READ_DATA|FILE_WRITE_DATA)) {
			d_printf("RDWR       ");
		} else if (e->access_mask & FILE_WRITE_DATA) {
			d_printf("WRONLY     ");
		} else {
			d_printf("RDONLY     ");
		}

		if((e->op_type & (EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) == 
					(EXCLUSIVE_OPLOCK|BATCH_OPLOCK)) {
			d_printf("EXCLUSIVE+BATCH ");
		} else if (e->op_type & EXCLUSIVE_OPLOCK) {
			d_printf("EXCLUSIVE       ");
		} else if (e->op_type & BATCH_OPLOCK) {
			d_printf("BATCH           ");
		} else if (e->op_type & LEVEL_II_OPLOCK) {
			d_printf("LEVEL_II        ");
		} else {
			d_printf("NONE            ");
		}

		d_printf(" %s   %s   %s",sharepath, fname, asctime(localtime((time_t *)&e->time.tv_sec)));
	}
}

static void print_brl(SMB_DEV_T dev, SMB_INO_T ino, struct process_id pid, 
		      enum brl_type lock_type,
		      br_off start, br_off size)
{
	static int count;
	if (count==0) {
		d_printf("Byte range locks:\n");
		d_printf("   Pid     dev:inode  R/W      start        size\n");
		d_printf("------------------------------------------------\n");
	}
	count++;

	d_printf("%8s   %05x:%05x    %s  %9.0f   %9.0f\n", 
	       procid_str_static(&pid), (int)dev, (int)ino, 
	       lock_type==READ_LOCK?"R":"W",
	       (double)start, (double)size);
}


/*******************************************************************
 dump the elements of the profile structure
  ******************************************************************/
static int profile_dump(void)
{
#ifdef WITH_PROFILE
	if (!profile_setup(True)) {
		fprintf(stderr,"Failed to initialise profile memory\n");
		return -1;
	}

	d_printf("smb_count:                      %u\n", profile_p->smb_count);
	d_printf("uid_changes:                    %u\n", profile_p->uid_changes);
	d_printf("************************ System Calls ****************************\n");
	d_printf("opendir_count:                  %u\n", profile_p->syscall_opendir_count);
	d_printf("opendir_time:                   %u\n", profile_p->syscall_opendir_time);
	d_printf("readdir_count:                  %u\n", profile_p->syscall_readdir_count);
	d_printf("readdir_time:                   %u\n", profile_p->syscall_readdir_time);
	d_printf("mkdir_count:                    %u\n", profile_p->syscall_mkdir_count);
	d_printf("mkdir_time:                     %u\n", profile_p->syscall_mkdir_time);
	d_printf("rmdir_count:                    %u\n", profile_p->syscall_rmdir_count);
	d_printf("rmdir_time:                     %u\n", profile_p->syscall_rmdir_time);
	d_printf("closedir_count:                 %u\n", profile_p->syscall_closedir_count);
	d_printf("closedir_time:                  %u\n", profile_p->syscall_closedir_time);
	d_printf("open_count:                     %u\n", profile_p->syscall_open_count);
	d_printf("open_time:                      %u\n", profile_p->syscall_open_time);
	d_printf("close_count:                    %u\n", profile_p->syscall_close_count);
	d_printf("close_time:                     %u\n", profile_p->syscall_close_time);
	d_printf("read_count:                     %u\n", profile_p->syscall_read_count);
	d_printf("read_time:                      %u\n", profile_p->syscall_read_time);
	d_printf("read_bytes:                     %u\n", profile_p->syscall_read_bytes);
	d_printf("write_count:                    %u\n", profile_p->syscall_write_count);
	d_printf("write_time:                     %u\n", profile_p->syscall_write_time);
	d_printf("write_bytes:                    %u\n", profile_p->syscall_write_bytes);
	d_printf("pread_count:                    %u\n", profile_p->syscall_pread_count);
	d_printf("pread_time:                     %u\n", profile_p->syscall_pread_time);
	d_printf("pread_bytes:                    %u\n", profile_p->syscall_pread_bytes);
	d_printf("pwrite_count:                   %u\n", profile_p->syscall_pwrite_count);
	d_printf("pwrite_time:                    %u\n", profile_p->syscall_pwrite_time);
	d_printf("pwrite_bytes:                   %u\n", profile_p->syscall_pwrite_bytes);
#ifdef WITH_SENDFILE
	d_printf("sendfile_count:                 %u\n", profile_p->syscall_sendfile_count);
	d_printf("sendfile_time:                  %u\n", profile_p->syscall_sendfile_time);
	d_printf("sendfile_bytes:                 %u\n", profile_p->syscall_sendfile_bytes);
#endif
	d_printf("lseek_count:                    %u\n", profile_p->syscall_lseek_count);
	d_printf("lseek_time:                     %u\n", profile_p->syscall_lseek_time);
	d_printf("rename_count:                   %u\n", profile_p->syscall_rename_count);
	d_printf("rename_time:                    %u\n", profile_p->syscall_rename_time);
	d_printf("fsync_count:                    %u\n", profile_p->syscall_fsync_count);
	d_printf("fsync_time:                     %u\n", profile_p->syscall_fsync_time);
	d_printf("stat_count:                     %u\n", profile_p->syscall_stat_count);
	d_printf("stat_time:                      %u\n", profile_p->syscall_stat_time);
	d_printf("fstat_count:                    %u\n", profile_p->syscall_fstat_count);
	d_printf("fstat_time:                     %u\n", profile_p->syscall_fstat_time);
	d_printf("lstat_count:                    %u\n", profile_p->syscall_lstat_count);
	d_printf("lstat_time:                     %u\n", profile_p->syscall_lstat_time);
	d_printf("unlink_count:                   %u\n", profile_p->syscall_unlink_count);
	d_printf("unlink_time:                    %u\n", profile_p->syscall_unlink_time);
	d_printf("chmod_count:                    %u\n", profile_p->syscall_chmod_count);
	d_printf("chmod_time:                     %u\n", profile_p->syscall_chmod_time);
	d_printf("fchmod_count:                   %u\n", profile_p->syscall_fchmod_count);
	d_printf("fchmod_time:                    %u\n", profile_p->syscall_fchmod_time);
	d_printf("chown_count:                    %u\n", profile_p->syscall_chown_count);
	d_printf("chown_time:                     %u\n", profile_p->syscall_chown_time);