Unix SMB/Netbios implementation.
Version 1.9.
Main SMB server routines
- Copyright (C) Andrew Tridgell 1992-1997
+ Copyright (C) Andrew Tridgell 1992-1998
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
return(True);
}
+#if 0
+ /*
+ * This code I believe is incorrect - and commenting it out
+ * is the correct fix for the bug mentioned below in the
+ * comment 'name2 here was changed to dname - since 1.9.16p2 - not sure of reason (jra)'.
+ * The incoming name can be mangled, and if we de-mangle it
+ * here it will not compare correctly against the filename (name2)
+ * read from the directory and then mangled by the name_map_mangle()
+ * call. We need to mangle both names or neither.
+ * (JRA).
+ */
if (mangled)
check_mangled_stack(name);
+#endif
/* open the directory */
if (!(cur_dir = OpenDir(cnum, path, True)))
struct stat statbuf;
file_fd_struct *fd_ptr;
files_struct *fsp = &Files[fnum];
+ int accmode = (flags & (O_RDONLY | O_WRONLY | O_RDWR));
fsp->open = False;
fsp->fd_ptr = 0;
pstrcpy(fname,fname1);
/* check permissions */
- if ((flags != O_RDONLY) && !CAN_WRITE(cnum) && !Connections[cnum].printer)
- {
+
+ /*
+ * This code was changed after seeing a client open request
+ * containing the open mode of (DENY_WRITE/read-only) with
+ * the 'create if not exist' bit set. The previous code
+ * would fail to open the file read only on a read-only share
+ * as it was checking the flags parameter directly against O_RDONLY,
+ * this was failing as the flags parameter was set to O_RDONLY|O_CREAT.
+ * JRA.
+ */
+
+ if (!CAN_WRITE(cnum) && !Connections[cnum].printer) {
+ /* It's a read-only share - fail if we wanted to write. */
+ if(accmode != O_RDONLY) {
DEBUG(3,("Permission denied opening %s\n",fname));
check_for_pipe(fname);
return;
}
+ else if(flags & O_CREAT) {
+ /* We don't want to write - but we must make sure that O_CREAT
+ doesn't create the file if we have write access into the
+ directory.
+ */
+ flags &= ~O_CREAT;
+ }
+ }
/* this handles a bug in Win95 - it doesn't say to create the file when it
should */
*/
if((fd_ptr = fd_get_already_open(sbuf))!= 0) {
- int accmode = (flags & (O_RDONLY | O_WRONLY | O_RDWR));
-
/* File was already open. */
if((flags & O_CREAT) && (flags & O_EXCL)) {
fd_ptr->ref_count--;
Connections[cnum].num_files_open++;
fsp->mode = sbuf->st_mode;
GetTimeOfDay(&fsp->open_time);
- fsp->uid = current_user.id;
+ fsp->vuid = current_user.vuid;
fsp->size = 0;
fsp->pos = -1;
fsp->open = True;
fsp->print_file = Connections[cnum].printer;
fsp->modified = False;
fsp->granted_oplock = False;
+ fsp->sent_oplock_break = False;
fsp->cnum = cnum;
string_set(&fsp->name,dos_to_unix(fname,False));
fsp->wbmpx_ptr = NULL;
uint32 inode = fs_p->fd_ptr->inode;
int token;
+ Files[fnum].reserved = False;
+
#if USE_READ_PREDICTION
invalidate_read_prediction(fs_p->fd_ptr->fd);
#endif
if(fs_p->granted_oplock == True)
global_oplocks_open--;
+ fs_p->sent_oplock_break = False;
+
DEBUG(2,("%s %s closed file %s (numopen=%d)\n",
timestring(),Connections[cnum].user,fs_p->name,
Connections[cnum].num_files_open));
check if the share mode on a file allows it to be deleted or unlinked
return True if sharing doesn't prevent the operation
********************************************************************/
-BOOL check_file_sharing(int cnum,char *fname)
+BOOL check_file_sharing(int cnum,char *fname, BOOL rename_op)
{
int i;
int ret = False;
if(share_entry->op_type & BATCH_OPLOCK)
{
- DEBUG(5,("check_file_sharing: breaking oplock (%x) on file %s, \
+ /*
+ * It appears that the NT redirector may have a bug, in that
+ * it tries to do an SMBmv on a file that it has open with a
+ * batch oplock, and then fails to respond to the oplock break
+ * request. This only seems to occur when the client is doing an
+ * SMBmv to the smbd it is using - thus we try and detect this
+ * condition by checking if the file being moved is open and oplocked by
+ * this smbd process, and then not sending the oplock break in this
+ * special case. If the file was open with a deny mode that
+ * prevents the move the SMBmv will fail anyway with a share
+ * violation error. JRA.
+ */
+ if(rename_op && (share_entry->pid == pid))
+ {
+ DEBUG(0,("check_file_sharing: NT redirector workaround - rename attempted on \
+batch oplocked file %s, dev = %x, inode = %x\n", fname, dev, inode));
+ /*
+ * This next line is a test that allows the deny-mode
+ * processing to be skipped. This seems to be needed as
+ * NT insists on the rename succeeding (in Office 9x no less !).
+ * This should be removed as soon as (a) MS fix the redirector
+ * bug or (b) NT SMB support in Samba makes NT not issue the
+ * call (as is my fervent hope). JRA.
+ */
+ continue;
+ }
+ else
+ {
+ DEBUG(5,("check_file_sharing: breaking oplock (%x) on file %s, \
dev = %x, inode = %x\n", share_entry->op_type, fname, dev, inode));
- /* Oplock break.... */
- unlock_share_entry(cnum, dev, inode, token);
- if(request_oplock_break(share_entry, dev, inode) == False)
- {
- free((char *)old_shares);
- DEBUG(0,("check_file_sharing: FAILED when breaking oplock (%x) on file %s, \
+ /* Oplock break.... */
+ unlock_share_entry(cnum, dev, inode, token);
+ if(request_oplock_break(share_entry, dev, inode) == False)
+ {
+ free((char *)old_shares);
+ DEBUG(0,("check_file_sharing: FAILED when breaking oplock (%x) on file %s, \
dev = %x, inode = %x\n", old_shares[i].op_type, fname, dev, inode));
- return False;
+ return False;
+ }
+ lock_share_entry(cnum, dev, inode, &token);
+ broke_oplock = True;
+ break;
}
- lock_share_entry(cnum, dev, inode, &token);
- broke_oplock = True;
- break;
}
/* someone else has a share lock on it, check to see
return True;
}
close(Client); /* The parent doesn't need this socket */
-#endif /NO_FORK_DEBUG */
+#endif /* NO_FORK_DEBUG */
} /* end for num */
} /* end while 1 */
} /* end if is_daemon */
if (msg_type == 0)
show_msg(inbuf);
+ else if(msg_type == 0x85)
+ return; /* Keepalive packet. */
nread = construct_reply(inbuf,outbuf,nread,max_send);
BOOL oplock_break(uint32 dev, uint32 inode, struct timeval *tval)
{
extern int Client;
- static char *inbuf = NULL;
- static char *outbuf = NULL;
+ char *inbuf = NULL;
+ char *outbuf = NULL;
files_struct *fsp = NULL;
int fnum;
time_t start_time;
DEBUG(3,("%s oplock_break: called for dev = %x, inode = %x. Current \
global_oplocks_open = %d\n", timestring(), dev, inode, global_oplocks_open));
- if(inbuf == NULL)
- {
- inbuf = (char *)malloc(BUFFER_SIZE + SAFETY_MARGIN);
- if(inbuf == NULL) {
- DEBUG(0,("oplock_break: malloc fail for input buffer.\n"));
- return False;
- }
- outbuf = (char *)malloc(BUFFER_SIZE + SAFETY_MARGIN);
- if(outbuf == NULL) {
- DEBUG(0,("oplock_break: malloc fail for output buffer.\n"));
- free(inbuf);
- inbuf = NULL;
- return False;
- }
- }
-
/* We need to search the file open table for the
entry containing this dev and inode, and ensure
we have an oplock on it. */
/* mark the oplock break as sent - we don't want to send twice! */
if (fsp->sent_oplock_break)
{
- DEBUG(0,("%s ERROR: oplock_break already sent for file %s (fnum = %d, dev = %x, inode = %x)\n", timestring(), fsp->name, fnum, dev, inode));
- return True;
- }
+ DEBUG(0,("%s oplock_break: ERROR: oplock_break already sent for file %s (fnum = %d, dev = %x, inode = %x)\n", timestring(), fsp->name, fnum, dev, inode));
- fsp->sent_oplock_break = True;
+ /* We have to fail the open here as we cannot send another oplock break on this
+ file whilst we are awaiting a response from the client - neither can we
+ allow another open to succeed while we are waiting for the client. */
+ return False;
+ }
/* Now comes the horrid part. We must send an oplock break to the client,
and then process incoming messages until we get a close or oplock release.
+ At this point we know we need a new inbuf/outbuf buffer pair.
+ We cannot use these staticaly as we may recurse into here due to
+ messages crossing on the wire.
*/
+ if((inbuf = (char *)malloc(BUFFER_SIZE + SAFETY_MARGIN))==NULL)
+ {
+ DEBUG(0,("oplock_break: malloc fail for input buffer.\n"));
+ return False;
+ }
+
+ if((outbuf = (char *)malloc(BUFFER_SIZE + SAFETY_MARGIN))==NULL)
+ {
+ DEBUG(0,("oplock_break: malloc fail for output buffer.\n"));
+ free(inbuf);
+ inbuf = NULL;
+ return False;
+ }
+
/* Prepare the SMBlockingX message. */
bzero(outbuf,smb_size);
set_message(outbuf,8,0,True);
send_smb(Client, outbuf);
+ /* Remember we just sent an oplock break on this file. */
+ fsp->sent_oplock_break = True;
+
/* We need this in case a readraw crosses on the wire. */
global_oplock_break = True;
shutdown_server = True;
break;
}
+
+ /*
+ * There are certain SMB requests that we shouldn't allow
+ * to recurse. opens, renames and deletes are the obvious
+ * ones. This is handled in the switch_message() function.
+ * If global_oplock_break is set they will push the packet onto
+ * the pending smb queue and return -1 (no reply).
+ * JRA.
+ */
+
process_smb(inbuf, outbuf);
/*
}
}
+ /* Free the buffers we've been using to recurse. */
+ free(inbuf);
+ free(outbuf);
+
/* We need this in case a readraw crossed on the wire. */
if(global_oplock_break)
global_oplock_break = False;
from the sharemode. */
/* Paranoia.... */
fsp->granted_oplock = False;
+ fsp->sent_oplock_break = False;
global_oplocks_open--;
}
char op_break_msg[OPLOCK_BREAK_MSG_LEN];
struct sockaddr_in addr_out;
int pid = getpid();
+ time_t start_time;
+ int time_left;
if(pid == share_entry->pid)
{
* While we get messages that aren't ours, loop.
*/
- while(1)
+ start_time = time(NULL);
+ time_left = OPLOCK_BREAK_TIMEOUT+OPLOCK_BREAK_TIMEOUT_FUDGEFACTOR;
+
+ while(time_left >= 0)
{
char op_break_reply[UDP_CMD_HEADER_LEN+OPLOCK_BREAK_MSG_LEN];
int32 reply_msg_len;
char *reply_msg_start;
if(receive_local_message(oplock_sock, op_break_reply, sizeof(op_break_reply),
- (OPLOCK_BREAK_TIMEOUT+OPLOCK_BREAK_TIMEOUT_FUDGEFACTOR) * 1000) == False)
+ time_left ? time_left * 1000 : 1) == False)
{
if(smb_read_error == READ_TIMEOUT)
{
return False;
}
- /*
- * If the response we got was not an answer to our message, but
- * was a completely different request, push it onto the pending
- * udp message stack so that we can deal with it in the main loop.
- * It may be another oplock break request to us.
- */
-
- /*
- * Local note from JRA. There exists the possibility of a denial
- * of service attack here by allowing non-root processes running
- * on a local machine sending many of these pending messages to
- * a smbd port. Currently I'm not sure how to restrict the messages
- * I will queue (although I could add a limit to the queue) to
- * those received by root processes only. There should be a
- * way to make this bulletproof....
- */
-
reply_msg_len = IVAL(op_break_reply,UDP_CMD_LEN_OFFSET);
reply_from_port = SVAL(op_break_reply,UDP_CMD_PORT_OFFSET);
continue;
}
- if(((SVAL(reply_msg_start,UDP_MESSAGE_CMD_OFFSET) & CMD_REPLY) == 0) ||
- (reply_from_port != share_entry->op_port) ||
+ /*
+ * Test to see if this is the reply we are awaiting.
+ */
+
+ if((SVAL(reply_msg_start,UDP_MESSAGE_CMD_OFFSET) & CMD_REPLY) &&
+ (reply_from_port == share_entry->op_port) &&
(memcmp(&reply_msg_start[OPLOCK_BREAK_PID_OFFSET],
&op_break_msg[OPLOCK_BREAK_PID_OFFSET],
- OPLOCK_BREAK_MSG_LEN - OPLOCK_BREAK_PID_OFFSET) != 0))
+ OPLOCK_BREAK_MSG_LEN - OPLOCK_BREAK_PID_OFFSET) == 0))
{
- DEBUG(3,("%s request_oplock_break: received other message whilst awaiting \
-oplock break response from pid %d on port %d for dev = %x, inode = %x.\n",
- timestring(), share_entry->pid, share_entry->op_port, dev, inode));
- if(push_local_message(op_break_reply, sizeof(op_break_reply)) == False)
- return False;
- continue;
+ /*
+ * This is the reply we've been waiting for.
+ */
+ break;
}
+ else
+ {
+ /*
+ * This is another message - probably a break request.
+ * Process it to prevent potential deadlock.
+ * Note that the code in switch_message() prevents
+ * us from recursing into here as any SMB requests
+ * we might process that would cause another oplock
+ * break request to be made will be queued.
+ * JRA.
+ */
- break;
+ process_local_message(oplock_sock, op_break_reply, sizeof(op_break_reply));
+ }
+
+ time_left -= (time(NULL) - start_time);
}
DEBUG(3,("%s request_oplock_break: broke oplock.\n", timestring()));
process_local_message(oplock_sock, inbuf, bufsize);
continue;
}
+
+ if(ret && (CVAL(inbuf,0) == 0x85))
+ {
+ /* Keepalive packet. */
+ got_smb = False;
+ }
+
}
while(ret && !got_smb);
return(cnum);
}
+/****************************************************************************
+ Attempt to break an oplock on a file (if oplocked).
+ Returns True if the file was closed as a result of
+ the oplock break, False otherwise.
+ Used as a last ditch attempt to free a space in the
+ file table when we have run out.
+****************************************************************************/
+
+static BOOL attempt_close_oplocked_file(files_struct *fp)
+{
+
+ DEBUG(5,("attempt_close_oplocked_file: checking file %s.\n", fp->name));
+
+ if (fp->open && fp->granted_oplock && !fp->sent_oplock_break) {
+
+ /* Try and break the oplock. */
+ file_fd_struct *fsp = fp->fd_ptr;
+ if(oplock_break( fsp->dev, fsp->inode, &fp->open_time)) {
+ if(!fp->open) /* Did the oplock break close the file ? */
+ return True;
+ }
+ }
+
+ return False;
+}
/****************************************************************************
find first available file slot
****************************************************************************/
int find_free_file(void )
{
- int i;
- /* we start at 1 here for an obscure reason I can't now remember,
- but I think is important :-) */
- for (i=1;i<MAX_OPEN_FILES;i++)
- if (!Files[i].open) {
- /* paranoia */
- memset(&Files[i], 0, sizeof(Files[i]));
- return(i);
- }
- DEBUG(1,("ERROR! Out of file structures - perhaps increase MAX_OPEN_FILES?\n"));
- return(-1);
+ int i;
+ static int first_file;
+
+ /* we want to give out file handles differently on each new
+ connection because of a common bug in MS clients where they try to
+ reuse a file descriptor from an earlier smb connection. This code
+ increases the chance that the errant client will get an error rather
+ than causing corruption */
+ if (first_file == 0) {
+ first_file = (getpid() ^ (int)time(NULL)) % MAX_OPEN_FILES;
+ if (first_file == 0) first_file = 1;
+ }
+
+ if (first_file >= MAX_OPEN_FILES)
+ first_file = 1;
+
+ for (i=first_file;i<MAX_OPEN_FILES;i++)
+ if (!Files[i].open && !Files[i].reserved) {
+ memset(&Files[i], 0, sizeof(Files[i]));
+ first_file = i+1;
+ Files[i].reserved = True;
+ return(i);
+ }
+
+ /* returning a file handle of 0 is a bad idea - so we start at 1 */
+ for (i=1;i<first_file;i++)
+ if (!Files[i].open && !Files[i].reserved) {
+ memset(&Files[i], 0, sizeof(Files[i]));
+ first_file = i+1;
+ Files[i].reserved = True;
+ return(i);
+ }
+
+ /*
+ * Before we give up, go through the open files
+ * and see if there are any files opened with a
+ * batch oplock. If so break the oplock and then
+ * re-use that entry (if it becomes closed).
+ * This may help as NT/95 clients tend to keep
+ * files batch oplocked for quite a long time
+ * after they have finished with them.
+ */
+ for (i=first_file;i<MAX_OPEN_FILES;i++) {
+ if(attempt_close_oplocked_file( &Files[i])) {
+ memset(&Files[i], 0, sizeof(Files[i]));
+ first_file = i+1;
+ Files[i].reserved = True;
+ return(i);
+ }
+ }
+
+ for (i=1;i<MAX_OPEN_FILES;i++) {
+ if(attempt_close_oplocked_file( &Files[i])) {
+ memset(&Files[i], 0, sizeof(Files[i]));
+ first_file = i+1;
+ Files[i].reserved = True;
+ return(i);
+ }
+ }
+
+ DEBUG(1,("ERROR! Out of file structures - perhaps increase MAX_OPEN_FILES?\n"));
+ return(-1);
}
/****************************************************************************
#define TIME_INIT (1<<2)
#define CAN_IPC (1<<3)
#define AS_GUEST (1<<5)
-
+#define QUEUE_IN_OPLOCK (1<<6)
/*
define a list of possible SMB messages and their corresponding
{SMBsetatr,"SMBsetatr",reply_setatr,AS_USER | NEED_WRITE},
{SMBchkpth,"SMBchkpth",reply_chkpth,AS_USER},
{SMBsearch,"SMBsearch",reply_search,AS_USER},
- {SMBopen,"SMBopen",reply_open,AS_USER},
+ {SMBopen,"SMBopen",reply_open,AS_USER | QUEUE_IN_OPLOCK },
/* note that SMBmknew and SMBcreate are deliberately overloaded */
{SMBcreate,"SMBcreate",reply_mknew,AS_USER},
{SMBmknew,"SMBmknew",reply_mknew,AS_USER},
- {SMBunlink,"SMBunlink",reply_unlink,AS_USER | NEED_WRITE},
+ {SMBunlink,"SMBunlink",reply_unlink,AS_USER | NEED_WRITE | QUEUE_IN_OPLOCK},
{SMBread,"SMBread",reply_read,AS_USER},
{SMBwrite,"SMBwrite",reply_write,AS_USER},
{SMBclose,"SMBclose",reply_close,AS_USER | CAN_IPC},
{SMBmkdir,"SMBmkdir",reply_mkdir,AS_USER | NEED_WRITE},
{SMBrmdir,"SMBrmdir",reply_rmdir,AS_USER | NEED_WRITE},
{SMBdskattr,"SMBdskattr",reply_dskattr,AS_USER},
- {SMBmv,"SMBmv",reply_mv,AS_USER | NEED_WRITE},
+ {SMBmv,"SMBmv",reply_mv,AS_USER | NEED_WRITE | QUEUE_IN_OPLOCK},
/* this is a Pathworks specific call, allowing the
changing of the root path */
{SMBlseek,"SMBlseek",reply_lseek,AS_USER},
{SMBflush,"SMBflush",reply_flush,AS_USER},
- {SMBctemp,"SMBctemp",reply_ctemp,AS_USER},
- {SMBsplopen,"SMBsplopen",reply_printopen,AS_USER},
+ {SMBctemp,"SMBctemp",reply_ctemp,AS_USER | QUEUE_IN_OPLOCK },
+ {SMBsplopen,"SMBsplopen",reply_printopen,AS_USER | QUEUE_IN_OPLOCK },
{SMBsplclose,"SMBsplclose",reply_printclose,AS_USER},
{SMBsplretq,"SMBsplretq",reply_printqueue,AS_USER|AS_GUEST},
{SMBsplwr,"SMBsplwr",reply_printwrite,AS_USER},
{SMBtrans,"SMBtrans",reply_trans,AS_USER | CAN_IPC},
{SMBtranss,"SMBtranss",NULL,AS_USER | CAN_IPC},
{SMBioctls,"SMBioctls",NULL,AS_USER},
- {SMBcopy,"SMBcopy",reply_copy,AS_USER | NEED_WRITE},
- {SMBmove,"SMBmove",NULL,AS_USER | NEED_WRITE},
+ {SMBcopy,"SMBcopy",reply_copy,AS_USER | NEED_WRITE | QUEUE_IN_OPLOCK },
+ {SMBmove,"SMBmove",NULL,AS_USER | NEED_WRITE | QUEUE_IN_OPLOCK },
- {SMBopenX,"SMBopenX",reply_open_and_X,AS_USER | CAN_IPC},
+ {SMBopenX,"SMBopenX",reply_open_and_X,AS_USER | CAN_IPC | QUEUE_IN_OPLOCK },
{SMBreadX,"SMBreadX",reply_read_and_X,AS_USER},
{SMBwriteX,"SMBwriteX",reply_write_and_X,AS_USER},
{SMBlockingX,"SMBlockingX",reply_lockingX,AS_USER},
/* LANMAN2.0 PROTOCOL FOLLOWS */
{SMBfindnclose, "SMBfindnclose", reply_findnclose, AS_USER},
{SMBfindclose, "SMBfindclose", reply_findclose,AS_USER},
- {SMBtrans2, "SMBtrans2", reply_trans2, AS_USER},
+ {SMBtrans2, "SMBtrans2", reply_trans2, AS_USER | QUEUE_IN_OPLOCK },
{SMBtranss2, "SMBtranss2", reply_transs2, AS_USER},
/* messaging routines */
else
{
DEBUG(3,("switch message %s (pid %d)\n",smb_messages[match].name,pid));
+
+ if(global_oplock_break && (smb_messages[match].flags & QUEUE_IN_OPLOCK))
+ {
+ /*
+ * Queue this message as we are the process of an oplock break.
+ */
+
+ DEBUG(2,("%s: switch_message: queueing message due to being in oplock break state.\n",
+ timestring() ));
+
+ push_smb_message( inbuf, size);
+ return -1;
+ }
+
if (smb_messages[match].fn)
{
int cnum = SVAL(inbuf,smb_tid);
int flags = smb_messages[match].flags;
- uint16 session_tag = SVAL(inbuf,smb_uid);
+ /* In share mode security we must ignore the vuid. */
+ uint16 session_tag = (lp_security() == SEC_SHARE) ? UID_FIELD_INVALID : SVAL(inbuf,smb_uid);
+ /* Ensure this value is replaced in the incoming packet. */
+ SSVAL(inbuf,smb_uid,session_tag);
/* does this protocol need to be run as root? */
if (!(flags & AS_USER))
int port = SMB_PORT;
int opt;
extern char *optarg;
- char pidFile[100] = { 0 };
+ char pidFile[100];
+
+ *pidFile = '\0';
#ifdef NEED_AUTH_PARAMETERS
set_auth_parameters(argc,argv);
strcpy(debugf,SMBLOGFILE);
+ strcpy(remote_machine, "smb");
+
setup_logging(argv[0],False);
charset_initialise();
- /* make absolutely sure we run as root - to handle cases whre people
+ /* make absolutely sure we run as root - to handle cases where people
are crazy enough to have it setuid */
#ifdef USE_SETRES
setresuid(0,0,0);
{
struct rlimit rlp;
getrlimit(RLIMIT_NOFILE, &rlp);
- rlp.rlim_cur = (MAX_OPEN_FILES>rlp.rlim_max)? rlp.rlim_max:MAX_OPEN_FILES;
+ /*
+ * Set the fd limit to be MAX_OPEN_FILES + 10 to account for the
+ * extra fd we need to read directories, as well as the log files
+ * and standard handles etc.
+ */
+ rlp.rlim_cur = (MAX_OPEN_FILES+10>rlp.rlim_max)? rlp.rlim_max:MAX_OPEN_FILES+10;
setrlimit(RLIMIT_NOFILE, &rlp);
getrlimit(RLIMIT_NOFILE, &rlp);
DEBUG(3,("Maximum number of open files per session is %d\n",rlp.rlim_cur));
#ifndef NO_SIGNAL_TEST
signal(SIGHUP,SIGNAL_CAST sig_hup);
#endif
-
+
+ /* Setup the signals that allow the debug log level
+ to by dynamically changed. */
+
+ /* If we are using the malloc debug code we can't use
+ SIGUSR1 and SIGUSR2 to do debug level changes. */
+
+#ifndef MEM_MAN
+#if defined(SIGUSR1)
+ signal( SIGUSR1, SIGNAL_CAST sig_usr1 );
+#endif /* SIGUSR1 */
+
+#if defined(SIGUSR2)
+ signal( SIGUSR2, SIGNAL_CAST sig_usr2 );
+#endif /* SIGUSR2 */
+#endif /* MEM_MAN */
+
DEBUG(3,("%s loaded services\n",timestring()));
if (!is_daemon && !is_a_socket(0))
git.samba.org / samba.git / blobdiff