r2: import HEAD into svn+ssh://svn.samba.org/home/svn/samba/trunk

metze

1 files changed, 2501 insertions, 0 deletions

diff --git a/source/lib/util.c b/source/lib/util.c
new file mode 100644
index 00000000000..3f57048a00b
--- /dev/null
+++ b/source/lib/util.c
@@ -0,0 +1,2501 @@
+/* 
+   Unix SMB/CIFS implementation.
+   Samba utility functions
+   Copyright (C) Andrew Tridgell 1992-1998
+   Copyright (C) Jeremy Allison 2001-2002
+   Copyright (C) Simo Sorce 2001
+   Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
+   
+   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.
+*/
+
+#include "includes.h"
+
+#if (defined(HAVE_NETGROUP) && defined (WITH_AUTOMOUNT))
+#ifdef WITH_NISPLUS_HOME
+#ifdef BROKEN_NISPLUS_INCLUDE_FILES
+/*
+ * The following lines are needed due to buggy include files
+ * in Solaris 2.6 which define GROUP in both /usr/include/sys/acl.h and
+ * also in /usr/include/rpcsvc/nis.h. The definitions conflict. JRA.
+ * Also GROUP_OBJ is defined as 0x4 in /usr/include/sys/acl.h and as
+ * an enum in /usr/include/rpcsvc/nis.h.
+ */
+
+#if defined(GROUP)
+#undef GROUP
+#endif
+
+#if defined(GROUP_OBJ)
+#undef GROUP_OBJ
+#endif
+
+#endif /* BROKEN_NISPLUS_INCLUDE_FILES */
+
+#include <rpcsvc/nis.h>
+
+#else /* !WITH_NISPLUS_HOME */
+
+#include "rpcsvc/ypclnt.h"
+
+#endif /* WITH_NISPLUS_HOME */
+#endif /* HAVE_NETGROUP && WITH_AUTOMOUNT */
+
+int Protocol = PROTOCOL_COREPLUS;
+
+/* a default finfo structure to ensure all fields are sensible */
+file_info def_finfo = {-1,0,0,0,0,0,0,"",""};
+
+/* this is used by the chaining code */
+int chain_size = 0;
+
+int trans_num = 0;
+
+/*
+   case handling on filenames 
+*/
+int case_default = CASE_LOWER;
+
+/* the following control case operations - they are put here so the
+   client can link easily */
+BOOL case_sensitive;
+BOOL case_preserve;
+BOOL use_mangled_map = False;
+BOOL short_case_preserve;
+BOOL case_mangle;
+
+static enum remote_arch_types ra_type = RA_UNKNOWN;
+pstring user_socket_options=DEFAULT_SOCKET_OPTIONS;   
+
+/***********************************************************************
+ Definitions for all names.
+***********************************************************************/
+
+static char *smb_myname;
+static char *smb_myworkgroup;
+static char *smb_scope;
+static int smb_num_netbios_names;
+static char **smb_my_netbios_names;
+
+/***********************************************************************
+ Allocate and set myname. Ensure upper case.
+***********************************************************************/
+
+BOOL set_global_myname(const char *myname)
+{
+	SAFE_FREE(smb_myname);
+	smb_myname = strdup(myname);
+	if (!smb_myname)
+		return False;
+	strupper_m(smb_myname);
+	return True;
+}
+
+const char *global_myname(void)
+{
+	return smb_myname;
+}
+
+/***********************************************************************
+ Allocate and set myworkgroup. Ensure upper case.
+***********************************************************************/
+
+BOOL set_global_myworkgroup(const char *myworkgroup)
+{
+	SAFE_FREE(smb_myworkgroup);
+	smb_myworkgroup = strdup(myworkgroup);
+	if (!smb_myworkgroup)
+		return False;
+	strupper_m(smb_myworkgroup);
+	return True;
+}
+
+const char *lp_workgroup(void)
+{
+	return smb_myworkgroup;
+}
+
+/***********************************************************************
+ Allocate and set scope. Ensure upper case.
+***********************************************************************/
+
+BOOL set_global_scope(const char *scope)
+{
+	SAFE_FREE(smb_scope);
+	smb_scope = strdup(scope);
+	if (!smb_scope)
+		return False;
+	strupper_m(smb_scope);
+	return True;
+}
+
+/*********************************************************************
+ Ensure scope is never null string.
+*********************************************************************/
+
+const char *global_scope(void)
+{
+	if (!smb_scope)
+		set_global_scope("");
+	return smb_scope;
+}
+
+static void free_netbios_names_array(void)
+{
+	int i;
+
+	for (i = 0; i < smb_num_netbios_names; i++)
+		SAFE_FREE(smb_my_netbios_names[i]);
+
+	SAFE_FREE(smb_my_netbios_names);
+	smb_num_netbios_names = 0;
+}
+
+static BOOL allocate_my_netbios_names_array(size_t number)
+{
+	free_netbios_names_array();
+
+	smb_num_netbios_names = number + 1;
+	smb_my_netbios_names = (char **)malloc( sizeof(char *) * smb_num_netbios_names );
+
+	if (!smb_my_netbios_names)
+		return False;
+
+	memset(smb_my_netbios_names, '\0', sizeof(char *) * smb_num_netbios_names);
+	return True;
+}
+
+static BOOL set_my_netbios_names(const char *name, int i)
+{
+	SAFE_FREE(smb_my_netbios_names[i]);
+
+	smb_my_netbios_names[i] = strdup(name);
+	if (!smb_my_netbios_names[i])
+		return False;
+	strupper_m(smb_my_netbios_names[i]);
+	return True;
+}
+
+const char *my_netbios_names(int i)
+{
+	return smb_my_netbios_names[i];
+}
+
+BOOL set_netbios_aliases(const char **str_array)
+{
+	size_t namecount;
+
+	/* Work out the max number of netbios aliases that we have */
+	for( namecount=0; str_array && (str_array[namecount] != NULL); namecount++ )
+		;
+
+	if ( global_myname() && *global_myname())
+		namecount++;
+
+	/* Allocate space for the netbios aliases */
+	if (!allocate_my_netbios_names_array(namecount))
+		return False;
+
+	/* Use the global_myname string first */
+	namecount=0;
+	if ( global_myname() && *global_myname()) {
+		set_my_netbios_names( global_myname(), namecount );
+		namecount++;
+	}
+
+	if (str_array) {
+		size_t i;
+		for ( i = 0; str_array[i] != NULL; i++) {
+			size_t n;
+			BOOL duplicate = False;
+
+			/* Look for duplicates */
+			for( n=0; n<namecount; n++ ) {
+				if( strequal( str_array[i], my_netbios_names(n) ) ) {
+					duplicate = True;
+					break;
+				}
+			}
+			if (!duplicate) {
+				if (!set_my_netbios_names(str_array[i], namecount))
+					return False;
+				namecount++;
+			}
+		}
+	}
+	return True;
+}
+
+/****************************************************************************
+  Common name initialization code.
+****************************************************************************/
+
+BOOL init_names(void)
+{
+	extern fstring local_machine;
+	char *p;
+	int n;
+
+	if (global_myname() == NULL || *global_myname() == '\0') {
+		if (!set_global_myname(myhostname())) {
+			DEBUG( 0, ( "init_structs: malloc fail.\n" ) );
+			return False;
+		}
+	}
+
+	if (!set_netbios_aliases(lp_netbios_aliases())) {
+		DEBUG( 0, ( "init_structs: malloc fail.\n" ) );
+		return False;
+	}			
+
+	fstrcpy( local_machine, global_myname() );
+	trim_char( local_machine, ' ', ' ' );
+	p = strchr( local_machine, ' ' );
+	if (p)
+		*p = 0;
+	strlower_m( local_machine );
+
+	DEBUG( 5, ("Netbios name list:-\n") );
+	for( n=0; my_netbios_names(n); n++ )
+		DEBUGADD( 5, ( "my_netbios_names[%d]=\"%s\"\n", n, my_netbios_names(n) ) );
+
+	return( True );
+}
+
+/**************************************************************************n
+ Find a suitable temporary directory. The result should be copied immediately
+ as it may be overwritten by a subsequent call.
+****************************************************************************/
+
+const char *tmpdir(void)
+{
+	char *p;
+	if ((p = getenv("TMPDIR")))
+		return p;
+	return "/tmp";
+}
+
+/****************************************************************************
+ Determine whether we are in the specified group.
+****************************************************************************/
+
+BOOL in_group(gid_t group, gid_t current_gid, int ngroups, const gid_t *groups)
+{
+	int i;
+
+	if (group == current_gid)
+		return(True);
+
+	for (i=0;i<ngroups;i++)
+		if (group == groups[i])
+			return(True);
+
+	return(False);
+}
+
+/****************************************************************************
+ Like atoi but gets the value up to the separator character.
+****************************************************************************/
+
+static const char *Atoic(const char *p, int *n, const char *c)
+{
+	if (!isdigit((int)*p)) {
+		DEBUG(5, ("Atoic: malformed number\n"));
+		return NULL;
+	}
+
+	(*n) = atoi(p);
+
+	while ((*p) && isdigit((int)*p))
+		p++;
+
+	if (strchr_m(c, *p) == NULL) {
+		DEBUG(5, ("Atoic: no separator characters (%s) not found\n", c));
+		return NULL;
+	}
+
+	return p;
+}
+
+/*************************************************************************
+ Reads a list of numbers.
+ *************************************************************************/
+
+const char *get_numlist(const char *p, uint32 **num, int *count)
+{
+	int val;
+
+	if (num == NULL || count == NULL)
+		return NULL;
+
+	(*count) = 0;
+	(*num  ) = NULL;
+
+	while ((p = Atoic(p, &val, ":,")) != NULL && (*p) != ':') {
+		uint32 *tn;
+		
+		tn = Realloc((*num), ((*count)+1) * sizeof(uint32));
+		if (tn == NULL) {
+			SAFE_FREE(*num);
+			return NULL;
+		} else
+			(*num) = tn;
+		(*num)[(*count)] = val;
+		(*count)++;
+		p++;
+	}
+
+	return p;
+}
+
+/*******************************************************************
+ Check if a file exists - call vfs_file_exist for samba files.
+********************************************************************/
+
+BOOL file_exist(const char *fname,SMB_STRUCT_STAT *sbuf)
+{
+	SMB_STRUCT_STAT st;
+	if (!sbuf)
+		sbuf = &st;
+  
+	if (sys_stat(fname,sbuf) != 0) 
+		return(False);
+
+	return((S_ISREG(sbuf->st_mode)) || (S_ISFIFO(sbuf->st_mode)));
+}
+
+/*******************************************************************
+ Check a files mod time.
+********************************************************************/
+
+time_t file_modtime(const char *fname)
+{
+	SMB_STRUCT_STAT st;
+  
+	if (sys_stat(fname,&st) != 0) 
+		return(0);
+
+	return(st.st_mtime);
+}
+
+/*******************************************************************
+ Check if a directory exists.
+********************************************************************/
+
+BOOL directory_exist(char *dname,SMB_STRUCT_STAT *st)
+{
+	SMB_STRUCT_STAT st2;
+	BOOL ret;
+
+	if (!st)
+		st = &st2;
+
+	if (sys_stat(dname,st) != 0) 
+		return(False);
+
+	ret = S_ISDIR(st->st_mode);
+	if(!ret)
+		errno = ENOTDIR;
+	return ret;
+}
+
+/*******************************************************************
+ Returns the size in bytes of the named file.
+********************************************************************/
+
+SMB_OFF_T get_file_size(char *file_name)
+{
+	SMB_STRUCT_STAT buf;
+	buf.st_size = 0;
+	if(sys_stat(file_name,&buf) != 0)
+		return (SMB_OFF_T)-1;
+	return(buf.st_size);
+}
+
+/*******************************************************************
+ Return a string representing an attribute for a file.
+********************************************************************/
+
+char *attrib_string(uint16 mode)
+{
+	static fstring attrstr;
+
+	attrstr[0] = 0;
+
+	if (mode & aVOLID) fstrcat(attrstr,"V");
+	if (mode & aDIR) fstrcat(attrstr,"D");
+	if (mode & aARCH) fstrcat(attrstr,"A");
+	if (mode & aHIDDEN) fstrcat(attrstr,"H");
+	if (mode & aSYSTEM) fstrcat(attrstr,"S");
+	if (mode & aRONLY) fstrcat(attrstr,"R");	  
+
+	return(attrstr);
+}
+
+/*******************************************************************
+ Show a smb message structure.
+********************************************************************/
+
+void show_msg(char *buf)
+{
+	int i;
+	int bcc=0;
+
+	if (!DEBUGLVL(5))
+		return;
+	
+	DEBUG(5,("size=%d\nsmb_com=0x%x\nsmb_rcls=%d\nsmb_reh=%d\nsmb_err=%d\nsmb_flg=%d\nsmb_flg2=%d\n",
+			smb_len(buf),
+			(int)CVAL(buf,smb_com),
+			(int)CVAL(buf,smb_rcls),
+			(int)CVAL(buf,smb_reh),
+			(int)SVAL(buf,smb_err),
+			(int)CVAL(buf,smb_flg),
+			(int)SVAL(buf,smb_flg2)));
+	DEBUGADD(5,("smb_tid=%d\nsmb_pid=%d\nsmb_uid=%d\nsmb_mid=%d\n",
+			(int)SVAL(buf,smb_tid),
+			(int)SVAL(buf,smb_pid),
+			(int)SVAL(buf,smb_uid),
+			(int)SVAL(buf,smb_mid)));
+	DEBUGADD(5,("smt_wct=%d\n",(int)CVAL(buf,smb_wct)));
+
+	for (i=0;i<(int)CVAL(buf,smb_wct);i++)
+		DEBUGADD(5,("smb_vwv[%2d]=%5d (0x%X)\n",i,
+			SVAL(buf,smb_vwv+2*i),SVAL(buf,smb_vwv+2*i)));
+	
+	bcc = (int)SVAL(buf,smb_vwv+2*(CVAL(buf,smb_wct)));
+
+	DEBUGADD(5,("smb_bcc=%d\n",bcc));
+
+	if (DEBUGLEVEL < 10)
+		return;
+
+	if (DEBUGLEVEL < 50)
+		bcc = MIN(bcc, 512);
+
+	dump_data(10, smb_buf(buf), bcc);	
+}
+
+/*******************************************************************
+ Set the length and marker of an smb packet.
+********************************************************************/
+
+void smb_setlen(char *buf,int len)
+{
+	_smb_setlen(buf,len);
+
+	SCVAL(buf,4,0xFF);
+	SCVAL(buf,5,'S');
+	SCVAL(buf,6,'M');
+	SCVAL(buf,7,'B');
+}
+
+/*******************************************************************
+ Setup the word count and byte count for a smb message.
+********************************************************************/
+
+int set_message(char *buf,int num_words,int num_bytes,BOOL zero)
+{
+	if (zero)
+		memset(buf + smb_size,'\0',num_words*2 + num_bytes);
+	SCVAL(buf,smb_wct,num_words);
+	SSVAL(buf,smb_vwv + num_words*SIZEOFWORD,num_bytes);  
+	smb_setlen(buf,smb_size + num_words*2 + num_bytes - 4);
+	return (smb_size + num_words*2 + num_bytes);
+}
+
+/*******************************************************************
+ Setup only the byte count for a smb message.
+********************************************************************/
+
+int set_message_bcc(char *buf,int num_bytes)
+{
+	int num_words = CVAL(buf,smb_wct);
+	SSVAL(buf,smb_vwv + num_words*SIZEOFWORD,num_bytes);  
+	smb_setlen(buf,smb_size + num_words*2 + num_bytes - 4);
+	return (smb_size + num_words*2 + num_bytes);
+}
+
+/*******************************************************************
+ Setup only the byte count for a smb message, using the end of the
+ message as a marker.
+********************************************************************/
+
+int set_message_end(void *outbuf,void *end_ptr)
+{
+	return set_message_bcc((char *)outbuf,PTR_DIFF(end_ptr,smb_buf((char *)outbuf)));
+}
+
+/*******************************************************************
+ Reduce a file name, removing .. elements.
+********************************************************************/
+
+void dos_clean_name(char *s)
+{
+	char *p=NULL;
+
+	DEBUG(3,("dos_clean_name [%s]\n",s));
+
+	/* remove any double slashes */
+	all_string_sub(s, "\\\\", "\\", 0);
+
+	while ((p = strstr_m(s,"\\..\\")) != NULL) {
+		pstring s1;
+
+		*p = 0;
+		pstrcpy(s1,p+3);
+
+		if ((p=strrchr_m(s,'\\')) != NULL)
+			*p = 0;
+		else
+			*s = 0;
+		pstrcat(s,s1);
+	}  
+
+	trim_string(s,NULL,"\\..");
+
+	all_string_sub(s, "\\.\\", "\\", 0);
+}
+
+/*******************************************************************
+ Reduce a file name, removing .. elements. 
+********************************************************************/
+
+void unix_clean_name(char *s)
+{
+	char *p=NULL;
+
+	DEBUG(3,("unix_clean_name [%s]\n",s));
+
+	/* remove any double slashes */
+	all_string_sub(s, "//","/", 0);
+
+	/* Remove leading ./ characters */
+	if(strncmp(s, "./", 2) == 0) {
+		trim_string(s, "./", NULL);
+		if(*s == 0)
+			pstrcpy(s,"./");
+	}
+
+	while ((p = strstr_m(s,"/../")) != NULL) {
+		pstring s1;
+
+		*p = 0;
+		pstrcpy(s1,p+3);
+
+		if ((p=strrchr_m(s,'/')) != NULL)
+			*p = 0;
+		else
+			*s = 0;
+		pstrcat(s,s1);
+	}  
+
+	trim_string(s,NULL,"/..");
+}
+
+/****************************************************************************
+ Make a dir struct.
+****************************************************************************/
+
+void make_dir_struct(char *buf, const char *mask, const char *fname,SMB_OFF_T size,int mode,time_t date)
+{  
+	char *p;
+	pstring mask2;
+
+	pstrcpy(mask2,mask);
+
+	if ((mode & aDIR) != 0)
+		size = 0;
+
+	memset(buf+1,' ',11);
+	if ((p = strchr_m(mask2,'.')) != NULL) {
+		*p = 0;
+		push_ascii(buf+1,mask2,8, 0);
+		push_ascii(buf+9,p+1,3, 0);
+		*p = '.';
+	} else
+		push_ascii(buf+1,mask2,11, 0);
+
+	memset(buf+21,'\0',DIR_STRUCT_SIZE-21);
+	SCVAL(buf,21,mode);
+	put_dos_date(buf,22,date);
+	SSVAL(buf,26,size & 0xFFFF);
+	SSVAL(buf,28,(size >> 16)&0xFFFF);
+	push_ascii(buf+30,fname,12, case_sensitive ? 0 : STR_UPPER);
+	DEBUG(8,("put name [%s] from [%s] into dir struct\n",buf+30, fname));
+}
+
+/*******************************************************************
+ Close the low 3 fd's and open dev/null in their place.
+********************************************************************/
+
+void close_low_fds(BOOL stderr_too)
+{
+#ifndef VALGRIND
+	int fd;
+	int i;
+
+	close(0);
+	close(1); 
+
+	if (stderr_too)
+		close(2);
+
+	/* try and use up these file descriptors, so silly
+		library routines writing to stdout etc won't cause havoc */
+	for (i=0;i<3;i++) {
+		if (i == 2 && !stderr_too)
+			continue;
+
+		fd = sys_open("/dev/null",O_RDWR,0);
+		if (fd < 0)
+			fd = sys_open("/dev/null",O_WRONLY,0);
+		if (fd < 0) {
+			DEBUG(0,("Can't open /dev/null\n"));
+			return;
+		}
+		if (fd != i) {
+			DEBUG(0,("Didn't get file descriptor %d\n",i));
+			return;
+		}
+	}
+#endif
+}
+
+/****************************************************************************
+ Set a fd into blocking/nonblocking mode. Uses POSIX O_NONBLOCK if available,
+ else
+  if SYSV use O_NDELAY
+  if BSD use FNDELAY
+****************************************************************************/
+
+int set_blocking(int fd, BOOL set)
+{
+	int val;
+#ifdef O_NONBLOCK
+#define FLAG_TO_SET O_NONBLOCK
+#else
+#ifdef SYSV
+#define FLAG_TO_SET O_NDELAY
+#else /* BSD */
+#define FLAG_TO_SET FNDELAY
+#endif
+#endif
+
+	if((val = sys_fcntl_long(fd, F_GETFL, 0)) == -1)
+		return -1;
+	if(set) /* Turn blocking on - ie. clear nonblock flag */
+		val &= ~FLAG_TO_SET;
+	else
+		val |= FLAG_TO_SET;
+	return sys_fcntl_long( fd, F_SETFL, val);
+#undef FLAG_TO_SET
+}
+
+/****************************************************************************
+ Transfer some data between two fd's.
+****************************************************************************/
+
+#ifndef TRANSFER_BUF_SIZE
+#define TRANSFER_BUF_SIZE 65536
+#endif
+
+ssize_t transfer_file_internal(int infd, int outfd, size_t n, ssize_t (*read_fn)(int, void *, size_t),
+						ssize_t (*write_fn)(int, const void *, size_t))
+{
+	char *buf;
+	size_t total = 0;
+	ssize_t read_ret;
+	ssize_t write_ret;
+	size_t num_to_read_thistime;
+	size_t num_written = 0;
+
+	if ((buf = malloc(TRANSFER_BUF_SIZE)) == NULL)
+		return -1;
+
+	while (total < n) {
+		num_to_read_thistime = MIN((n - total), TRANSFER_BUF_SIZE);
+
+		read_ret = (*read_fn)(infd, buf, num_to_read_thistime);
+		if (read_ret == -1) {
+			DEBUG(0,("transfer_file_internal: read failure. Error = %s\n", strerror(errno) ));
+			SAFE_FREE(buf);
+			return -1;
+		}
+		if (read_ret == 0)
+			break;
+
+		num_written = 0;
+ 
+		while (num_written < read_ret) {
+			write_ret = (*write_fn)(outfd,buf + num_written, read_ret - num_written);
+ 
+			if (write_ret == -1) {
+				DEBUG(0,("transfer_file_internal: write failure. Error = %s\n", strerror(errno) ));
+				SAFE_FREE(buf);
+				return -1;
+			}
+			if (write_ret == 0)
+				return (ssize_t)total;
+ 
+			num_written += (size_t)write_ret;
+		}
+
+		total += (size_t)read_ret;
+	}
+
+	SAFE_FREE(buf);
+	return (ssize_t)total;		
+}
+
+SMB_OFF_T transfer_file(int infd,int outfd,SMB_OFF_T n)
+{
+	return (SMB_OFF_T)transfer_file_internal(infd, outfd, (size_t)n, sys_read, sys_write);
+}
+
+/*******************************************************************
+ Sleep for a specified number of milliseconds.
+********************************************************************/
+
+void smb_msleep(unsigned int t)
+{
+	unsigned int tdiff=0;
+	struct timeval tval,t1,t2;  
+	fd_set fds;
+
+	GetTimeOfDay(&t1);
+	GetTimeOfDay(&t2);
+  
+	while (tdiff < t) {
+		tval.tv_sec = (t-tdiff)/1000;
+		tval.tv_usec = 1000*((t-tdiff)%1000);
+
+		/* Never wait for more than 1 sec. */
+		if (tval.tv_sec > 1) {
+			tval.tv_sec = 1; 
+			tval.tv_usec = 0;
+		}
+
+		FD_ZERO(&fds);
+		errno = 0;
+		sys_select_intr(0,&fds,NULL,NULL,&tval);
+
+		GetTimeOfDay(&t2);
+		if (t2.tv_sec < t1.tv_sec) {
+			/* Someone adjusted time... */
+			t1 = t2;
+		}
+
+		tdiff = TvalDiff(&t1,&t2);
+	}
+}
+
+/****************************************************************************
+ Become a daemon, discarding the controlling terminal.
+****************************************************************************/
+
+void become_daemon(BOOL Fork)
+{
+	if (Fork) {
+		if (sys_fork()) {
+			_exit(0);
+		}
+	}
+
+  /* detach from the terminal */
+#ifdef HAVE_SETSID
+	setsid();
+#elif defined(TIOCNOTTY)
+	{
+		int i = sys_open("/dev/tty", O_RDWR, 0);
+		if (i != -1) {
+			ioctl(i, (int) TIOCNOTTY, (char *)0);      
+			close(i);
+		}
+	}
+#endif /* HAVE_SETSID */
+
+	/* Close fd's 0,1,2. Needed if started by rsh */
+	close_low_fds(False);  /* Don't close stderr, let the debug system
+				  attach it to the logfile */
+}
+
+/****************************************************************************
+ Put up a yes/no prompt.
+****************************************************************************/
+
+BOOL yesno(char *p)
+{
+	pstring ans;
+	printf("%s",p);
+
+	if (!fgets(ans,sizeof(ans)-1,stdin))
+		return(False);
+
+	if (*ans == 'y' || *ans == 'Y')
+		return(True);
+
+	return(False);
+}
+
+/****************************************************************************
+ Expand a pointer to be a particular size.
+****************************************************************************/
+
+void *Realloc(void *p,size_t size)
+{
+	void *ret=NULL;
+
+	if (size == 0) {
+		SAFE_FREE(p);
+		DEBUG(5,("Realloc asked for 0 bytes\n"));
+		return NULL;
+	}
+
+	if (!p)
+		ret = (void *)malloc(size);
+	else
+		ret = (void *)realloc(p,size);
+
+	if (!ret)
+		DEBUG(0,("Memory allocation error: failed to expand to %d bytes\n",(int)size));
+
+	return(ret);
+}
+
+void *Realloc_zero(void *ptr, size_t size)
+{
+	void *tptr = NULL;
+		
+	tptr = Realloc(ptr, size);
+	if(tptr == NULL)
+		return NULL;
+
+	memset((char *)tptr,'\0',size);
+
+	return tptr;
+}
+
+/****************************************************************************
+ Free memory, checks for NULL.
+ Use directly SAFE_FREE()
+ Exists only because we need to pass a function pointer somewhere --SSS
+****************************************************************************/
+
+void safe_free(void *p)
+{
+	SAFE_FREE(p);
+}
+
+/****************************************************************************
+ Get my own name and IP.
+****************************************************************************/
+
+BOOL get_myname(char *my_name)
+{
+	pstring hostname;
+
+	*hostname = 0;
+
+	/* get my host name */
+	if (gethostname(hostname, sizeof(hostname)) == -1) {
+		DEBUG(0,("gethostname failed\n"));
+		return False;
+	} 
+
+	/* Ensure null termination. */
+	hostname[sizeof(hostname)-1] = '\0';
+
+	if (my_name) {
+		/* split off any parts after an initial . */
+		char *p = strchr_m(hostname,'.');
+
+		if (p)
+			*p = 0;
+		
+		fstrcpy(my_name,hostname);
+	}
+	
+	return(True);
+}
+
+/****************************************************************************
+ Get my own canonical name, including domain.
+****************************************************************************/
+
+BOOL get_mydnsfullname(fstring my_dnsname)
+{
+	static fstring dnshostname;
+	struct hostent *hp;
+
+	if (!*dnshostname) {
+		/* get my host name */
+		if (gethostname(dnshostname, sizeof(dnshostname)) == -1) {
+			*dnshostname = '\0';
+			DEBUG(0,("gethostname failed\n"));
+			return False;
+		} 
+
+		/* Ensure null termination. */
+		dnshostname[sizeof(dnshostname)-1] = '\0';
+
+		/* Ensure we get the cannonical name. */
+		if (!(hp = sys_gethostbyname(dnshostname))) {
+			*dnshostname = '\0';
+			return False;
+		}
+		fstrcpy(dnshostname, hp->h_name);
+	}
+	fstrcpy(my_dnsname, dnshostname);
+	return True;
+}
+
+/****************************************************************************
+ Get my own domain name.
+****************************************************************************/
+
+BOOL get_mydnsdomname(fstring my_domname)
+{
+	fstring domname;
+	char *p;
+
+	*my_domname = '\0';
+	if (!get_mydnsfullname(domname)) {
+		return False;
+	}	
+	p = strchr_m(domname, '.');
+	if (p) {
+		p++;
+		fstrcpy(my_domname, p);
+	}
+
+	return False;
+}
+
+/****************************************************************************
+ Interpret a protocol description string, with a default.
+****************************************************************************/
+
+int interpret_protocol(const char *str,int def)
+{
+	if (strequal(str,"NT1"))
+		return(PROTOCOL_NT1);
+	if (strequal(str,"LANMAN2"))
+		return(PROTOCOL_LANMAN2);
+	if (strequal(str,"LANMAN1"))
+		return(PROTOCOL_LANMAN1);
+	if (strequal(str,"CORE"))
+		return(PROTOCOL_CORE);
+	if (strequal(str,"COREPLUS"))
+		return(PROTOCOL_COREPLUS);
+	if (strequal(str,"CORE+"))
+		return(PROTOCOL_COREPLUS);
+  
+	DEBUG(0,("Unrecognised protocol level %s\n",str));
+  
+	return(def);
+}
+
+/****************************************************************************
+ Return true if a string could be a pure IP address.
+****************************************************************************/
+
+BOOL is_ipaddress(const char *str)
+{
+	BOOL pure_address = True;
+	int i;
+  
+	for (i=0; pure_address && str[i]; i++)
+		if (!(isdigit((int)str[i]) || str[i] == '.'))
+			pure_address = False;
+
+	/* Check that a pure number is not misinterpreted as an IP */
+	pure_address = pure_address && (strchr_m(str, '.') != NULL);
+
+	return pure_address;
+}
+
+/****************************************************************************
+ Interpret an internet address or name into an IP address in 4 byte form.
+****************************************************************************/
+
+uint32 interpret_addr(const char *str)
+{
+	struct hostent *hp;
+	uint32 res;
+
+	if (strcmp(str,"0.0.0.0") == 0)
+		return(0);
+	if (strcmp(str,"255.255.255.255") == 0)
+		return(0xFFFFFFFF);
+
+  /* if it's in the form of an IP address then get the lib to interpret it */
+	if (is_ipaddress(str)) {
+		res = inet_addr(str);
+	} else {
+		/* otherwise assume it's a network name of some sort and use 
+			sys_gethostbyname */
+		if ((hp = sys_gethostbyname(str)) == 0) {
+			DEBUG(3,("sys_gethostbyname: Unknown host. %s\n",str));
+			return 0;
+		}
+
+		if(hp->h_addr == NULL) {
+			DEBUG(3,("sys_gethostbyname: host address is invalid for host %s\n",str));
+			return 0;
+		}
+		putip((char *)&res,(char *)hp->h_addr);
+	}
+
+	if (res == (uint32)-1)
+		return(0);
+
+	return(res);
+}
+
+/*******************************************************************
+ A convenient addition to interpret_addr().
+******************************************************************/
+
+struct in_addr *interpret_addr2(const char *str)
+{
+	static struct in_addr ret;
+	uint32 a = interpret_addr(str);
+	ret.s_addr = a;
+	return(&ret);
+}
+
+/*******************************************************************
+ Check if an IP is the 0.0.0.0.
+******************************************************************/
+
+BOOL is_zero_ip(struct in_addr ip)
+{
+	uint32 a;
+	putip((char *)&a,(char *)&ip);
+	return(a == 0);
+}
+
+/*******************************************************************
+ Set an IP to 0.0.0.0.
+******************************************************************/
+
+void zero_ip(struct in_addr *ip)
+{
+        static BOOL init;
+        static struct in_addr ipzero;
+
+        if (!init) {
+                ipzero = *interpret_addr2("0.0.0.0");
+                init = True;
+        }
+
+        *ip = ipzero;
+}
+
+#if (defined(HAVE_NETGROUP) && defined(WITH_AUTOMOUNT))
+/******************************************************************
+ Remove any mount options such as -rsize=2048,wsize=2048 etc.
+ Based on a fix from <Thomas.Hepper@icem.de>.
+*******************************************************************/
+
+static void strip_mount_options( pstring *str)
+{
+	if (**str == '-') { 
+		char *p = *str;
+		while(*p && !isspace(*p))
+			p++;
+		while(*p && isspace(*p))
+			p++;
+		if(*p) {
+			pstring tmp_str;
+
+			pstrcpy(tmp_str, p);
+			pstrcpy(*str, tmp_str);
+		}
+	}
+}
+
+/*******************************************************************
+ Patch from jkf@soton.ac.uk
+ Split Luke's automount_server into YP lookup and string splitter
+ so can easily implement automount_path(). 
+ As we may end up doing both, cache the last YP result. 
+*******************************************************************/
+
+#ifdef WITH_NISPLUS_HOME
+char *automount_lookup(const char *user_name)
+{
+	static fstring last_key = "";
+	static pstring last_value = "";
+ 
+	char *nis_map = (char *)lp_nis_home_map_name();
+ 
+	char buffer[NIS_MAXATTRVAL + 1];
+	nis_result *result;
+	nis_object *object;
+	entry_obj  *entry;
+ 
+	if (strcmp(user_name, last_key)) {
+		slprintf(buffer, sizeof(buffer)-1, "[key=%s],%s", user_name, nis_map);
+		DEBUG(5, ("NIS+ querystring: %s\n", buffer));
+ 
+		if (result = nis_list(buffer, FOLLOW_PATH|EXPAND_NAME|HARD_LOOKUP, NULL, NULL)) {
+			if (result->status != NIS_SUCCESS) {
+				DEBUG(3, ("NIS+ query failed: %s\n", nis_sperrno(result->status)));
+				fstrcpy(last_key, ""); pstrcpy(last_value, "");
+			} else {
+				object = result->objects.objects_val;
+				if (object->zo_data.zo_type == ENTRY_OBJ) {
+					entry = &object->zo_data.objdata_u.en_data;
+					DEBUG(5, ("NIS+ entry type: %s\n", entry->en_type));
+					DEBUG(3, ("NIS+ result: %s\n", entry->en_cols.en_cols_val[1].ec_value.ec_value_val));
+ 
+					pstrcpy(last_value, entry->en_cols.en_cols_val[1].ec_value.ec_value_val);
+					pstring_sub(last_value, "&", user_name);
+					fstrcpy(last_key, user_name);
+				}
+			}
+		}
+		nis_freeresult(result);
+	}
+
+	strip_mount_options(&last_value);
+
+	DEBUG(4, ("NIS+ Lookup: %s resulted in %s\n", user_name, last_value));
+	return last_value;
+}
+#else /* WITH_NISPLUS_HOME */
+
+char *automount_lookup(const char *user_name)
+{
+	static fstring last_key = "";
+	static pstring last_value = "";
+
+	int nis_error;        /* returned by yp all functions */
+	char *nis_result;     /* yp_match inits this */
+	int nis_result_len;  /* and set this */
+	char *nis_domain;     /* yp_get_default_domain inits this */
+	char *nis_map = (char *)lp_nis_home_map_name();
+
+	if ((nis_error = yp_get_default_domain(&nis_domain)) != 0) {
+		DEBUG(3, ("YP Error: %s\n", yperr_string(nis_error)));
+		return last_value;
+	}
+
+	DEBUG(5, ("NIS Domain: %s\n", nis_domain));
+
+	if (!strcmp(user_name, last_key)) {
+		nis_result = last_value;
+		nis_result_len = strlen(last_value);
+		nis_error = 0;
+  	} else {
+		if ((nis_error = yp_match(nis_domain, nis_map, user_name, strlen(user_name),
+				&nis_result, &nis_result_len)) == 0) {
+			if (!nis_error && nis_result_len >= sizeof(pstring)) {
+				nis_result_len = sizeof(pstring)-1;
+			}
+			fstrcpy(last_key, user_name);
+			strncpy(last_value, nis_result, nis_result_len);
+			last_value[nis_result_len] = '\0';
+			strip_mount_options(&last_value);
+
+		} else if(nis_error == YPERR_KEY) {
+
+			/* If Key lookup fails user home server is not in nis_map 
+				use default information for server, and home directory */
+			last_value[0] = 0;
+			DEBUG(3, ("YP Key not found:  while looking up \"%s\" in map \"%s\"\n", 
+					user_name, nis_map));
+			DEBUG(3, ("using defaults for server and home directory\n"));
+		} else {
+			DEBUG(3, ("YP Error: \"%s\" while looking up \"%s\" in map \"%s\"\n", 
+					yperr_string(nis_error), user_name, nis_map));
+		}
+	}
+
+	DEBUG(4, ("YP Lookup: %s resulted in %s\n", user_name, last_value));
+	return last_value;
+}
+#endif /* WITH_NISPLUS_HOME */
+#endif
+
+/*******************************************************************
+ Are two IPs on the same subnet?
+********************************************************************/
+
+BOOL same_net(struct in_addr ip1,struct in_addr ip2,struct in_addr mask)
+{
+	uint32 net1,net2,nmask;
+
+	nmask = ntohl(mask.s_addr);
+	net1  = ntohl(ip1.s_addr);
+	net2  = ntohl(ip2.s_addr);
+            
+	return((net1 & nmask) == (net2 & nmask));
+}
+
+
+/****************************************************************************
+ Check if a process exists. Does this work on all unixes?
+****************************************************************************/
+
+BOOL process_exists(pid_t pid)
+{
+	/* Doing kill with a non-positive pid causes messages to be
+	 * sent to places we don't want. */
+	SMB_ASSERT(pid > 0);
+	return(kill(pid,0) == 0 || errno != ESRCH);
+}
+
+/*******************************************************************
+ Convert a uid into a user name.
+********************************************************************/
+
+const char *uidtoname(uid_t uid)
+{
+	static fstring name;
+	struct passwd *pass;
+
+	pass = getpwuid_alloc(uid);
+	if (pass) {
+		fstrcpy(name, pass->pw_name);
+		passwd_free(&pass);
+	} else {
+		slprintf(name, sizeof(name) - 1, "%ld",(long int)uid);
+	}
+	return name;
+}
+
+
+/*******************************************************************
+ Convert a gid into a group name.
+********************************************************************/
+
+char *gidtoname(gid_t gid)
+{
+	static fstring name;
+	struct group *grp;
+
+	grp = getgrgid(gid);
+	if (grp)
+		return(grp->gr_name);
+	slprintf(name,sizeof(name) - 1, "%d",(int)gid);
+	return(name);
+}
+
+/*******************************************************************
+ Convert a user name into a uid. 
+********************************************************************/
+
+uid_t nametouid(const char *name)
+{
+	struct passwd *pass;
+	char *p;
+	uid_t u;
+
+	pass = getpwnam_alloc(name);
+	if (pass) {
+		u = pass->pw_uid;
+		passwd_free(&pass);
+		return u;
+	}
+
+	u = (uid_t)strtol(name, &p, 0);
+	if ((p != name) && (*p == '\0'))
+		return u;
+
+	return (uid_t)-1;
+}
+
+/*******************************************************************
+ Convert a name to a gid_t if possible. Return -1 if not a group. 
+********************************************************************/
+
+gid_t nametogid(const char *name)
+{
+	struct group *grp;
+	char *p;
+	gid_t g;
+
+	g = (gid_t)strtol(name, &p, 0);
+	if ((p != name) && (*p == '\0'))
+		return g;
+
+	grp = sys_getgrnam(name);
+	if (grp)
+		return(grp->gr_gid);
+	return (gid_t)-1;
+}
+
+/*******************************************************************
+ legacy wrapper for smb_panic2()
+********************************************************************/
+void smb_panic( const char *why )
+{
+	smb_panic2( why, True );
+}
+
+/*******************************************************************
+ Something really nasty happened - panic !
+********************************************************************/
+
+#ifdef HAVE_LIBEXC_H
+#include <libexc.h>
+#endif
+
+void smb_panic2(const char *why, BOOL decrement_pid_count )
+{
+	char *cmd;
+	int result;
+#ifdef HAVE_BACKTRACE_SYMBOLS
+	void *backtrace_stack[BACKTRACE_STACK_SIZE];
+	size_t backtrace_size;
+	char **backtrace_strings;
+#endif
+
+#ifdef DEVELOPER
+	{
+		extern char *global_clobber_region_function;
+		extern unsigned int global_clobber_region_line;
+
+		if (global_clobber_region_function) {
+			DEBUG(0,("smb_panic: clobber_region() last called from [%s(%u)]\n",
+					 global_clobber_region_function,
+					 global_clobber_region_line));
+		} 
+	}
+#endif
+
+	/* only smbd needs to decrement the smbd counter in connections.tdb */
+	if ( decrement_pid_count )
+		decrement_smbd_process_count();
+
+	cmd = lp_panic_action();
+	if (cmd && *cmd) {
+		DEBUG(0, ("smb_panic(): calling panic action [%s]\n", cmd));
+		result = system(cmd);
+
+		if (result == -1)
+			DEBUG(0, ("smb_panic(): fork failed in panic action: %s\n",
+					  strerror(errno)));
+		else
+			DEBUG(0, ("smb_panic(): action returned status %d\n",
+					  WEXITSTATUS(result)));
+	}
+	DEBUG(0,("PANIC: %s\n", why));
+
+#ifdef HAVE_BACKTRACE_SYMBOLS
+	/* get the backtrace (stack frames) */
+	backtrace_size = backtrace(backtrace_stack,BACKTRACE_STACK_SIZE);
+	backtrace_strings = backtrace_symbols(backtrace_stack, backtrace_size);
+
+	DEBUG(0, ("BACKTRACE: %lu stack frames:\n", 
+		  (unsigned long)backtrace_size));
+	
+	if (backtrace_strings) {
+		int i;
+
+		for (i = 0; i < backtrace_size; i++)
+			DEBUGADD(0, (" #%u %s\n", i, backtrace_strings[i]));
+
+		/* Leak the backtrace_strings, rather than risk what free() might do */
+	}
+
+#elif HAVE_LIBEXC
+
+#define NAMESIZE 32 /* Arbitrary */
+
+	/* The IRIX libexc library provides an API for unwinding the stack. See
+	 * libexc(3) for details. Apparantly trace_back_stack leaks memory, but
+	 * since we are about to abort anyway, it hardly matters.
+	 *
+	 * Note that if we paniced due to a SIGSEGV or SIGBUS (or similar) this
+	 * will fail with a nasty message upon failing to open the /proc entry.
+	 */
+	{
+		__uint64_t	addrs[BACKTRACE_STACK_SIZE];
+		char *      	names[BACKTRACE_STACK_SIZE];
+		char		namebuf[BACKTRACE_STACK_SIZE * NAMESIZE];
+
+		int		i;
+		int		levels;
+
+		ZERO_ARRAY(addrs);
+		ZERO_ARRAY(names);
+		ZERO_ARRAY(namebuf);
+
+		for (i = 0; i < BACKTRACE_STACK_SIZE; i++) {
+			names[i] = namebuf + (i * NAMESIZE);
+		}
+
+		levels = trace_back_stack(0, addrs, names,
+				BACKTRACE_STACK_SIZE, NAMESIZE);
+
+		DEBUG(0, ("BACKTRACE: %d stack frames:\n", levels));
+		for (i = 0; i < levels; i++) {
+			DEBUGADD(0, (" #%d 0x%llx %s\n", i, addrs[i], names[i]));
+		}
+     }
+#undef NAMESIZE
+#endif
+
+	dbgflush();
+	abort();
+}
+
+/*******************************************************************
+  A readdir wrapper which just returns the file name.
+ ********************************************************************/
+
+const char *readdirname(DIR *p)
+{
+	SMB_STRUCT_DIRENT *ptr;
+	char *dname;
+
+	if (!p)
+		return(NULL);
+  
+	ptr = (SMB_STRUCT_DIRENT *)sys_readdir(p);
+	if (!ptr)
+		return(NULL);
+
+	dname = ptr->d_name;
+
+#ifdef NEXT2
+	if (telldir(p) < 0)
+		return(NULL);
+#endif
+
+#ifdef HAVE_BROKEN_READDIR
+	/* using /usr/ucb/cc is BAD */
+	dname = dname - 2;
+#endif
+
+	{
+		static pstring buf;
+		int len = NAMLEN(ptr);
+		memcpy(buf, dname, len);
+		buf[len] = 0;
+		dname = buf;
+	}
+
+	return(dname);
+}
+
+/*******************************************************************
+ Utility function used to decide if the last component 
+ of a path matches a (possibly wildcarded) entry in a namelist.
+********************************************************************/
+
+BOOL is_in_path(const char *name, name_compare_entry *namelist)
+{
+	pstring last_component;
+	char *p;
+
+	DEBUG(8, ("is_in_path: %s\n", name));
+
+	/* if we have no list it's obviously not in the path */
+	if((namelist == NULL ) || ((namelist != NULL) && (namelist[0].name == NULL))) {
+		DEBUG(8,("is_in_path: no name list.\n"));
+		return False;
+	}
+
+	/* Get the last component of the unix name. */
+	p = strrchr_m(name, '/');
+	strncpy(last_component, p ? ++p : name, sizeof(last_component)-1);
+	last_component[sizeof(last_component)-1] = '\0'; 
+
+	for(; namelist->name != NULL; namelist++) {
+		if(namelist->is_wild) {
+			if (mask_match(last_component, namelist->name, case_sensitive)) {
+				DEBUG(8,("is_in_path: mask match succeeded\n"));
+				return True;
+			}
+		} else {
+			if((case_sensitive && (strcmp(last_component, namelist->name) == 0))||
+						(!case_sensitive && (StrCaseCmp(last_component, namelist->name) == 0))) {
+				DEBUG(8,("is_in_path: match succeeded\n"));
+				return True;
+			}
+		}
+	}
+	DEBUG(8,("is_in_path: match not found\n"));
+ 
+	return False;
+}
+
+/*******************************************************************
+ Strip a '/' separated list into an array of 
+ name_compare_enties structures suitable for 
+ passing to is_in_path(). We do this for
+ speed so we can pre-parse all the names in the list 
+ and don't do it for each call to is_in_path().
+ namelist is modified here and is assumed to be 
+ a copy owned by the caller.
+ We also check if the entry contains a wildcard to
+ remove a potentially expensive call to mask_match
+ if possible.
+********************************************************************/
+ 
+void set_namearray(name_compare_entry **ppname_array, char *namelist)
+{
+	char *name_end;
+	char *nameptr = namelist;
+	int num_entries = 0;
+	int i;
+
+	(*ppname_array) = NULL;
+
+	if((nameptr == NULL ) || ((nameptr != NULL) && (*nameptr == '\0'))) 
+		return;
+
+	/* We need to make two passes over the string. The
+		first to count the number of elements, the second
+		to split it.
+	*/
+
+	while(*nameptr) {
+		if ( *nameptr == '/' ) {
+			/* cope with multiple (useless) /s) */
+			nameptr++;
+			continue;
+		}
+		/* find the next / */
+		name_end = strchr_m(nameptr, '/');
+
+		/* oops - the last check for a / didn't find one. */
+		if (name_end == NULL)
+			break;
+
+		/* next segment please */
+		nameptr = name_end + 1;
+		num_entries++;
+	}
+
+	if(num_entries == 0)
+		return;
+
+	if(( (*ppname_array) = (name_compare_entry *)malloc(
+					(num_entries + 1) * sizeof(name_compare_entry))) == NULL) {
+		DEBUG(0,("set_namearray: malloc fail\n"));
+		return;
+	}
+
+	/* Now copy out the names */
+	nameptr = namelist;
+	i = 0;
+	while(*nameptr) {
+		if ( *nameptr == '/' ) {
+			/* cope with multiple (useless) /s) */
+			nameptr++;
+			continue;
+		}
+		/* find the next / */
+		if ((name_end = strchr_m(nameptr, '/')) != NULL)
+			*name_end = 0;
+
+		/* oops - the last check for a / didn't find one. */
+		if(name_end == NULL) 
+			break;
+
+		(*ppname_array)[i].is_wild = ms_has_wild(nameptr);
+		if(((*ppname_array)[i].name = strdup(nameptr)) == NULL) {
+			DEBUG(0,("set_namearray: malloc fail (1)\n"));
+			return;
+		}
+
+		/* next segment please */
+		nameptr = name_end + 1;
+		i++;
+	}
+  
+	(*ppname_array)[i].name = NULL;
+
+	return;
+}
+
+/****************************************************************************
+ Routine to free a namearray.
+****************************************************************************/
+
+void free_namearray(name_compare_entry *name_array)
+{
+	int i;
+
+	if(name_array == NULL)
+		return;
+
+	for(i=0; name_array[i].name!=NULL; i++)
+		SAFE_FREE(name_array[i].name);
+	SAFE_FREE(name_array);
+}
+
+/****************************************************************************
+ Simple routine to do POSIX file locking. Cruft in NFS and 64->32 bit mapping
+ is dealt with in posix.c
+****************************************************************************/
+
+BOOL fcntl_lock(int fd, int op, SMB_OFF_T offset, SMB_OFF_T count, int type)
+{
+	SMB_STRUCT_FLOCK lock;
+	int ret;
+
+	DEBUG(8,("fcntl_lock %d %d %.0f %.0f %d\n",fd,op,(double)offset,(double)count,type));
+
+	lock.l_type = type;
+	lock.l_whence = SEEK_SET;
+	lock.l_start = offset;
+	lock.l_len = count;
+	lock.l_pid = 0;
+
+	ret = sys_fcntl_ptr(fd,op,&lock);
+
+	if (ret == -1 && errno != 0)
+		DEBUG(3,("fcntl_lock: fcntl lock gave errno %d (%s)\n",errno,strerror(errno)));
+
+	/* a lock query */
+	if (op == SMB_F_GETLK) {
+		if ((ret != -1) &&
+				(lock.l_type != F_UNLCK) && 
+				(lock.l_pid != 0) && 
+				(lock.l_pid != sys_getpid())) {
+			DEBUG(3,("fcntl_lock: fd %d is locked by pid %d\n",fd,(int)lock.l_pid));
+			return(True);
+		}
+
+		/* it must be not locked or locked by me */
+		return(False);
+	}
+
+	/* a lock set or unset */
+	if (ret == -1) {
+		DEBUG(3,("fcntl_lock: lock failed at offset %.0f count %.0f op %d type %d (%s)\n",
+			(double)offset,(double)count,op,type,strerror(errno)));
+		return(False);
+	}
+
+	/* everything went OK */
+	DEBUG(8,("fcntl_lock: Lock call successful\n"));
+
+	return(True);
+}
+
+/*******************************************************************
+ Is the name specified one of my netbios names.
+ Returns true if it is equal, false otherwise.
+********************************************************************/
+
+BOOL is_myname(const char *s)
+{
+	int n;
+	BOOL ret = False;
+
+	for (n=0; my_netbios_names(n); n++) {
+		if (strequal(my_netbios_names(n), s)) {
+			ret=True;
+			break;
+		}
+	}
+	DEBUG(8, ("is_myname(\"%s\") returns %d\n", s, ret));
+	return(ret);
+}
+
+/********************************************************************
+ Return only the first IP address of our configured interfaces
+ as a string
+ *******************************************************************/
+
+const char* get_my_primary_ip (void)
+{
+	static fstring ip_string;
+	int n;
+	struct iface_struct nics[MAX_INTERFACES];
+
+	if ((n=get_interfaces(nics, MAX_INTERFACES)) <= 0)
+		return NULL;
+
+	fstrcpy(ip_string, inet_ntoa(nics[0].ip));
+	return ip_string;
+}
+
+BOOL is_myname_or_ipaddr(const char *s)
+{
+	/* optimize for the common case */
+	if (strequal(s, global_myname())) 
+		return True;
+
+	/* maybe its an IP address? */
+	if (is_ipaddress(s)) {
+		struct iface_struct nics[MAX_INTERFACES];
+		int i, n;
+		uint32 ip;
+		
+		ip = interpret_addr(s);
+		if ((ip==0) || (ip==0xffffffff))
+			return False;
+			
+		n = get_interfaces(nics, MAX_INTERFACES);
+		for (i=0; i<n; i++) {
+			if (ip == nics[i].ip.s_addr)
+				return True;
+		}
+	}	
+
+	/* check for an alias */
+	if (is_myname(s))
+		return True;
+	
+	/* no match */
+	return False;
+}
+
+/*******************************************************************
+ Is the name specified our workgroup/domain.
+ Returns true if it is equal, false otherwise.
+********************************************************************/
+
+BOOL is_myworkgroup(const char *s)
+{
+	BOOL ret = False;
+
+	if (strequal(s, lp_workgroup())) {
+		ret=True;
+	}
+
+	DEBUG(8, ("is_myworkgroup(\"%s\") returns %d\n", s, ret));
+	return(ret);
+}
+
+/*******************************************************************
+ we distinguish between 2K and XP by the "Native Lan Manager" string
+   WinXP => "Windows 2002 5.1"
+   Win2k => "Windows 2000 5.0"
+   NT4   => "Windows NT 4.0" 
+   Win9x => "Windows 4.0"
+ Windows 2003 doesn't set the native lan manager string but 
+ they do set the domain to "Windows 2003 5.2" (probably a bug).
+********************************************************************/
+
+void ra_lanman_string( const char *native_lanman )
+{		 
+	if ( strcmp( native_lanman, "Windows 2002 5.1" ) == 0 )
+		set_remote_arch( RA_WINXP );
+	else if ( strcmp( native_lanman, "Windows Server 2003 5.2" ) == 0 )
+		set_remote_arch( RA_WIN2K3 );
+}
+
+/*******************************************************************
+ Set the horrid remote_arch string based on an enum.
+********************************************************************/
+
+void set_remote_arch(enum remote_arch_types type)
+{
+	extern fstring remote_arch;
+	ra_type = type;
+	switch( type ) {
+	case RA_WFWG:
+		fstrcpy(remote_arch, "WfWg");
+		break;
+	case RA_OS2:
+		fstrcpy(remote_arch, "OS2");
+		break;
+	case RA_WIN95:
+		fstrcpy(remote_arch, "Win95");
+		break;
+	case RA_WINNT:
+		fstrcpy(remote_arch, "WinNT");
+		break;
+	case RA_WIN2K:
+		fstrcpy(remote_arch, "Win2K");
+		break;
+	case RA_WINXP:
+		fstrcpy(remote_arch, "WinXP");
+		break;
+	case RA_WIN2K3:
+		fstrcpy(remote_arch, "Win2K3");
+		break;
+	case RA_SAMBA:
+		fstrcpy(remote_arch,"Samba");
+		break;
+	default:
+		ra_type = RA_UNKNOWN;
+		fstrcpy(remote_arch, "UNKNOWN");
+		break;
+	}
+
+	DEBUG(10,("set_remote_arch: Client arch is \'%s\'\n", remote_arch));
+}
+
+/*******************************************************************
+ Get the remote_arch type.
+********************************************************************/
+
+enum remote_arch_types get_remote_arch(void)
+{
+	return ra_type;
+}
+
+void print_asc(int level, const unsigned char *buf,int len)
+{
+	int i;
+	for (i=0;i<len;i++)
+		DEBUG(level,("%c", isprint(buf[i])?buf[i]:'.'));
+}
+
+void dump_data(int level, const char *buf1,int len)
+{
+	const unsigned char *buf = (const unsigned char *)buf1;
+	int i=0;
+	if (len<=0) return;
+
+	if (!DEBUGLVL(level)) return;
+	
+	DEBUGADD(level,("[%03X] ",i));
+	for (i=0;i<len;) {
+		DEBUGADD(level,("%02X ",(int)buf[i]));
+		i++;
+		if (i%8 == 0) DEBUGADD(level,(" "));
+		if (i%16 == 0) {      
+			print_asc(level,&buf[i-16],8); DEBUGADD(level,(" "));
+			print_asc(level,&buf[i-8],8); DEBUGADD(level,("\n"));
+			if (i<len) DEBUGADD(level,("[%03X] ",i));
+		}
+	}
+	if (i%16) {
+		int n;
+		n = 16 - (i%16);
+		DEBUGADD(level,(" "));
+		if (n>8) DEBUGADD(level,(" "));
+		while (n--) DEBUGADD(level,("   "));
+		n = MIN(8,i%16);
+		print_asc(level,&buf[i-(i%16)],n); DEBUGADD(level,( " " ));
+		n = (i%16) - n;
+		if (n>0) print_asc(level,&buf[i-n],n); 
+		DEBUGADD(level,("\n"));    
+	}	
+}
+
+void dump_data_pw(const char *msg, const uchar * data, size_t len)
+{
+#ifdef DEBUG_PASSWORD
+	DEBUG(11, ("%s", msg));
+	if (data != NULL && len > 0)
+	{
+		dump_data(11, data, len);
+	}
+#endif
+}
+
+char *tab_depth(int depth)
+{
+	static pstring spaces;
+	memset(spaces, ' ', depth * 4);
+	spaces[depth * 4] = 0;
+	return spaces;
+}
+
+/*****************************************************************************
+ Provide a checksum on a string
+
+ Input:  s - the null-terminated character string for which the checksum
+             will be calculated.
+
+  Output: The checksum value calculated for s.
+*****************************************************************************/
+
+int str_checksum(const char *s)
+{
+	int res = 0;
+	int c;
+	int i=0;
+	
+	while(*s) {
+		c = *s;
+		res ^= (c << (i % 15)) ^ (c >> (15-(i%15)));
+		s++;
+		i++;
+	}
+	return(res);
+}
+
+/*****************************************************************
+ Zero a memory area then free it. Used to catch bugs faster.
+*****************************************************************/  
+
+void zero_free(void *p, size_t size)
+{
+	memset(p, 0, size);
+	SAFE_FREE(p);
+}
+
+/*****************************************************************
+ Set our open file limit to a requested max and return the limit.
+*****************************************************************/  
+
+int set_maxfiles(int requested_max)
+{
+#if (defined(HAVE_GETRLIMIT) && defined(RLIMIT_NOFILE))
+	struct rlimit rlp;
+	int saved_current_limit;
+
+	if(getrlimit(RLIMIT_NOFILE, &rlp)) {
+		DEBUG(0,("set_maxfiles: getrlimit (1) for RLIMIT_NOFILE failed with error %s\n",
+			strerror(errno) ));
+		/* just guess... */
+		return requested_max;
+	}
+
+	/* 
+	 * Set the fd limit to be real_max_open_files + MAX_OPEN_FUDGEFACTOR to
+	 * account for the extra fd we need 
+	 * as well as the log files and standard
+	 * handles etc. Save the limit we want to set in case
+	 * we are running on an OS that doesn't support this limit (AIX)
+	 * which always returns RLIM_INFINITY for rlp.rlim_max.
+	 */
+
+	/* Try raising the hard (max) limit to the requested amount. */
+
+#if defined(RLIM_INFINITY)
+	if (rlp.rlim_max != RLIM_INFINITY) {
+		int orig_max = rlp.rlim_max;
+
+		if ( rlp.rlim_max < requested_max )
+			rlp.rlim_max = requested_max;
+
+		/* This failing is not an error - many systems (Linux) don't
+			support our default request of 10,000 open files. JRA. */
+
+		if(setrlimit(RLIMIT_NOFILE, &rlp)) {
+			DEBUG(3,("set_maxfiles: setrlimit for RLIMIT_NOFILE for %d max files failed with error %s\n", 
+				(int)rlp.rlim_max, strerror(errno) ));
+
+			/* Set failed - restore original value from get. */
+			rlp.rlim_max = orig_max;
+		}
+	}
+#endif
+
+	/* Now try setting the soft (current) limit. */
+
+	saved_current_limit = rlp.rlim_cur = MIN(requested_max,rlp.rlim_max);
+
+	if(setrlimit(RLIMIT_NOFILE, &rlp)) {
+		DEBUG(0,("set_maxfiles: setrlimit for RLIMIT_NOFILE for %d files failed with error %s\n", 
+			(int)rlp.rlim_cur, strerror(errno) ));
+		/* just guess... */
+		return saved_current_limit;
+	}
+
+	if(getrlimit(RLIMIT_NOFILE, &rlp)) {
+		DEBUG(0,("set_maxfiles: getrlimit (2) for RLIMIT_NOFILE failed with error %s\n",
+			strerror(errno) ));
+		/* just guess... */
+		return saved_current_limit;
+    }
+
+#if defined(RLIM_INFINITY)
+	if(rlp.rlim_cur == RLIM_INFINITY)
+		return saved_current_limit;
+#endif
+
+	if((int)rlp.rlim_cur > saved_current_limit)
+		return saved_current_limit;
+
+	return rlp.rlim_cur;
+#else /* !defined(HAVE_GETRLIMIT) || !defined(RLIMIT_NOFILE) */
+	/*
+	 * No way to know - just guess...
+	 */
+	return requested_max;
+#endif
+}
+
+/*****************************************************************
+ Splits out the start of the key (HKLM or HKU) and the rest of the key.
+*****************************************************************/  
+
+BOOL reg_split_key(const char *full_keyname, uint32 *reg_type, char *key_name)
+{
+	pstring tmp;
+
+	if (!next_token(&full_keyname, tmp, "\\", sizeof(tmp)))
+		return False;
+
+	(*reg_type) = 0;
+
+	DEBUG(10, ("reg_split_key: hive %s\n", tmp));
+
+	if (strequal(tmp, "HKLM") || strequal(tmp, "HKEY_LOCAL_MACHINE"))
+		(*reg_type) = HKEY_LOCAL_MACHINE;
+	else if (strequal(tmp, "HKU") || strequal(tmp, "HKEY_USERS"))
+		(*reg_type) = HKEY_USERS;
+	else {
+		DEBUG(10,("reg_split_key: unrecognised hive key %s\n", tmp));
+		return False;
+	}
+	
+	if (next_token(&full_keyname, tmp, "\n\r", sizeof(tmp)))
+		fstrcpy(key_name, tmp);
+	else
+		key_name[0] = 0;
+
+	DEBUG(10, ("reg_split_key: name %s\n", key_name));
+
+	return True;
+}
+
+/*****************************************************************
+ Possibly replace mkstemp if it is broken.
+*****************************************************************/  
+
+int smb_mkstemp(char *template)
+{
+#if HAVE_SECURE_MKSTEMP
+	return mkstemp(template);
+#else
+	/* have a reasonable go at emulating it. Hope that
+	   the system mktemp() isn't completly hopeless */
+	char *p = mktemp(template);
+	if (!p)
+		return -1;
+	return open(p, O_CREAT|O_EXCL|O_RDWR, 0600);
+#endif
+}
+
+/*****************************************************************
+ malloc that aborts with smb_panic on fail or zero size.
+ *****************************************************************/  
+
+void *smb_xmalloc(size_t size)
+{
+	void *p;
+	if (size == 0)
+		smb_panic("smb_xmalloc: called with zero size.\n");
+	if ((p = malloc(size)) == NULL) {
+		DEBUG(0, ("smb_xmalloc() failed to allocate %lu bytes\n", (unsigned long)size));
+		smb_panic("smb_xmalloc: malloc fail.\n");
+	}
+	return p;
+}
+
+/**
+ Memdup with smb_panic on fail.
+**/
+
+void *smb_xmemdup(const void *p, size_t size)
+{
+	void *p2;
+	p2 = smb_xmalloc(size);
+	memcpy(p2, p, size);
+	return p2;
+}
+
+/**
+ strdup that aborts on malloc fail.
+**/
+
+char *smb_xstrdup(const char *s)
+{
+	char *s1 = strdup(s);
+	if (!s1)
+		smb_panic("smb_xstrdup: malloc fail\n");
+	return s1;
+}
+
+/**
+ strndup that aborts on malloc fail.
+**/
+
+char *smb_xstrndup(const char *s, size_t n)
+{
+	char *s1 = strndup(s, n);
+	if (!s1)
+		smb_panic("smb_xstrndup: malloc fail\n");
+	return s1;
+}
+
+/*
+  vasprintf that aborts on malloc fail
+*/
+
+ int smb_xvasprintf(char **ptr, const char *format, va_list ap)
+{
+	int n;
+	va_list ap2;
+
+	VA_COPY(ap2, ap);
+
+	n = vasprintf(ptr, format, ap2);
+	if (n == -1 || ! *ptr)
+		smb_panic("smb_xvasprintf: out of memory");
+	return n;
+}
+
+/*****************************************************************
+ Like strdup but for memory.
+*****************************************************************/  
+
+void *memdup(const void *p, size_t size)
+{
+	void *p2;
+	if (size == 0)
+		return NULL;
+	p2 = malloc(size);
+	if (!p2)
+		return NULL;
+	memcpy(p2, p, size);
+	return p2;
+}
+
+/*****************************************************************
+ Get local hostname and cache result.
+*****************************************************************/  
+
+char *myhostname(void)
+{
+	static pstring ret;
+	if (ret[0] == 0)
+		get_myname(ret);
+	return ret;
+}
+
+/*****************************************************************
+ A useful function for returning a path in the Samba lock directory.
+*****************************************************************/  
+
+char *lock_path(const char *name)
+{
+	static pstring fname;
+
+	pstrcpy(fname,lp_lockdir());
+	trim_char(fname,'\0','/');
+	
+	if (!directory_exist(fname,NULL))
+		mkdir(fname,0755);
+	
+	pstrcat(fname,"/");
+	pstrcat(fname,name);
+
+	return fname;
+}
+
+/*****************************************************************
+ A useful function for returning a path in the Samba pid directory.
+*****************************************************************/
+
+char *pid_path(const char *name)
+{
+	static pstring fname;
+
+	pstrcpy(fname,lp_piddir());
+	trim_char(fname,'\0','/');
+
+	if (!directory_exist(fname,NULL))
+		mkdir(fname,0755);
+
+	pstrcat(fname,"/");
+	pstrcat(fname,name);
+
+	return fname;
+}
+
+/**
+ * @brief Returns an absolute path to a file in the Samba lib directory.
+ *
+ * @param name File to find, relative to LIBDIR.
+ *
+ * @retval Pointer to a static #pstring containing the full path.
+ **/
+
+char *lib_path(const char *name)
+{
+	static pstring fname;
+	fstr_sprintf(fname, "%s/%s", dyn_LIBDIR, name);
+	return fname;
+}
+
+/**
+ * @brief Returns the platform specific shared library extension.
+ *
+ * @retval Pointer to a static #fstring containing the extension.
+ **/
+
+const char *shlib_ext(void)
+{
+  return dyn_SHLIBEXT;
+}
+
+/*******************************************************************
+ Given a filename - get its directory name
+ NB: Returned in static storage.  Caveats:
+ o  Not safe in thread environment.
+ o  Caller must not free.
+ o  If caller wishes to preserve, they should copy.
+********************************************************************/
+
+char *parent_dirname(const char *path)
+{
+	static pstring dirpath;
+	char *p;
+
+	if (!path)
+		return(NULL);
+
+	pstrcpy(dirpath, path);
+	p = strrchr_m(dirpath, '/');  /* Find final '/', if any */
+	if (!p) {
+		pstrcpy(dirpath, ".");    /* No final "/", so dir is "." */
+	} else {
+		if (p == dirpath)
+			++p;    /* For root "/", leave "/" in place */
+		*p = '\0';
+	}
+	return dirpath;
+}
+
+
+/*******************************************************************
+ Determine if a pattern contains any Microsoft wildcard characters.
+*******************************************************************/
+
+BOOL ms_has_wild(const char *s)
+{
+	char c;
+	while ((c = *s++)) {
+		switch (c) {
+		case '*':
+		case '?':
+		case '<':
+		case '>':
+		case '"':
+			return True;
+		}
+	}
+	return False;
+}
+
+BOOL ms_has_wild_w(const smb_ucs2_t *s)
+{
+	smb_ucs2_t c;
+	if (!s) return False;
+	while ((c = *s++)) {
+		switch (c) {
+		case UCS2_CHAR('*'):
+		case UCS2_CHAR('?'):
+		case UCS2_CHAR('<'):
+		case UCS2_CHAR('>'):
+		case UCS2_CHAR('"'):
+			return True;
+		}
+	}
+	return False;
+}
+
+/*******************************************************************
+ A wrapper that handles case sensitivity and the special handling
+ of the ".." name.
+*******************************************************************/
+
+BOOL mask_match(const char *string, char *pattern, BOOL is_case_sensitive)
+{
+	if (strcmp(string,"..") == 0)
+		string = ".";
+	if (strcmp(pattern,".") == 0)
+		return False;
+	
+	return ms_fnmatch(pattern, string, Protocol, is_case_sensitive) == 0;
+}
+
+/*******************************************************************
+ A wrapper that handles a list of patters and calls mask_match()
+ on each.  Returns True if any of the patterns match.
+*******************************************************************/
+
+BOOL mask_match_list(const char *string, char **list, int listLen, BOOL is_case_sensitive)
+{
+       while (listLen-- > 0) {
+               if (mask_match(string, *list++, is_case_sensitive))
+                       return True;
+       }
+       return False;
+}
+
+/*********************************************************
+ Recursive routine that is called by unix_wild_match.
+*********************************************************/
+
+static BOOL unix_do_match(const char *regexp, const char *str)
+{
+	const char *p;
+
+	for( p = regexp; *p && *str; ) {
+
+		switch(*p) {
+			case '?':
+				str++;
+				p++;
+				break;
+
+			case '*':
+
+				/*
+				 * Look for a character matching 
+				 * the one after the '*'.
+				 */
+				p++;
+				if(!*p)
+					return True; /* Automatic match */
+				while(*str) {
+
+					while(*str && (*p != *str))
+						str++;
+
+					/*
+					 * Patch from weidel@multichart.de. In the case of the regexp
+					 * '*XX*' we want to ensure there are at least 2 'X' characters
+					 * in the string after the '*' for a match to be made.
+					 */
+
+					{
+						int matchcount=0;
+
+						/*
+						 * Eat all the characters that match, but count how many there were.
+						 */
+
+						while(*str && (*p == *str)) {
+							str++;
+							matchcount++;
+						}
+
+						/*
+						 * Now check that if the regexp had n identical characters that
+						 * matchcount had at least that many matches.
+						 */
+
+						while ( *(p+1) && (*(p+1) == *p)) {
+							p++;
+							matchcount--;
+						}
+
+						if ( matchcount <= 0 )
+							return False;
+					}
+
+					str--; /* We've eaten the match char after the '*' */
+
+					if(unix_do_match(p, str))
+						return True;
+
+					if(!*str)
+						return False;
+					else
+						str++;
+				}
+				return False;
+
+			default:
+				if(*str != *p)
+					return False;
+				str++;
+				p++;
+				break;
+		}
+	}
+
+	if(!*p && !*str)
+		return True;
+
+	if (!*p && str[0] == '.' && str[1] == 0)
+		return(True);
+  
+	if (!*str && *p == '?') {
+		while (*p == '?')
+			p++;
+		return(!*p);
+	}
+
+	if(!*str && (*p == '*' && p[1] == '\0'))
+		return True;
+
+	return False;
+}
+
+/*******************************************************************
+ Simple case insensitive interface to a UNIX wildcard matcher.
+*******************************************************************/
+
+BOOL unix_wild_match(const char *pattern, const char *string)
+{
+	pstring p2, s2;
+	char *p;
+
+	pstrcpy(p2, pattern);
+	pstrcpy(s2, string);
+	strlower_m(p2);
+	strlower_m(s2);
+
+	/* Remove any *? and ** from the pattern as they are meaningless */
+	for(p = p2; *p; p++)
+		while( *p == '*' && (p[1] == '?' ||p[1] == '*'))
+			pstrcpy( &p[1], &p[2]);
+ 
+	if (strequal(p2,"*"))
+		return True;
+
+	return unix_do_match(p2, s2) == 0;	
+}
+
+
+#ifdef __INSURE__
+
+/*******************************************************************
+This routine is a trick to immediately catch errors when debugging
+with insure. A xterm with a gdb is popped up when insure catches
+a error. It is Linux specific.
+********************************************************************/
+
+int _Insure_trap_error(int a1, int a2, int a3, int a4, int a5, int a6)
+{
+	static int (*fn)();
+	int ret;
+	char pidstr[10];
+	/* you can get /usr/bin/backtrace from 
+           http://samba.org/ftp/unpacked/junkcode/backtrace */
+	pstring cmd = "/usr/bin/backtrace %d";
+
+	slprintf(pidstr, sizeof(pidstr)-1, "%d", sys_getpid());
+	pstring_sub(cmd, "%d", pidstr);
+
+	if (!fn) {
+		static void *h;
+		h = dlopen("/usr/local/parasoft/insure++lite/lib.linux2/libinsure.so", RTLD_LAZY);
+		fn = dlsym(h, "_Insure_trap_error");
+
+		if (!h || h == _Insure_trap_error) {
+			h = dlopen("/usr/local/parasoft/lib.linux2/libinsure.so", RTLD_LAZY);
+			fn = dlsym(h, "_Insure_trap_error");
+		}		
+	}
+
+	ret = fn(a1, a2, a3, a4, a5, a6);
+
+	system(cmd);
+
+	return ret;
+}
+#endif