libsmbclient.c   [plain text]

/* 
   Unix SMB/Netbios implementation.
   Version 2.0
   SMB client library implementation
   Copyright (C) Andrew Tridgell 1998
   Copyright (C) Richard Sharpe 2000
   Copyright (C) John Terpstra 2000
   
   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"
#include "libsmbclient.h"

/* Structure for servers ... Held here so we don't need an include ...
 * May be better to put in an include file
 */

struct smbc_server {
	struct smbc_server *next, *prev;
	struct cli_state cli;
	dev_t dev;
	char *server_name;
	char *share_name;
	char *workgroup;
	char *username;
	BOOL no_pathinfo2;
};

/* Keep directory entries in a list */
struct smbc_dir_list {
	struct smbc_dir_list *next;
	struct smbc_dirent *dirent;
};

struct smbc_file {
	int cli_fd; 
	int smbc_fd;
	char *fname;
	off_t offset;
	struct smbc_server *srv;
	BOOL file;
	struct smbc_dir_list *dir_list, *dir_end, *dir_next;
	int dir_type, dir_error;
};

int smbc_fstatdir(int fd, struct stat *st); /* Forward decl */
BOOL smbc_getatr(struct smbc_server *srv, char *path, 
		 uint16 *mode, size_t *size, 
		 time_t *c_time, time_t *a_time, time_t *m_time,
		 SMB_INO_T *ino);

extern BOOL in_client;
extern pstring global_myname;
static int smbc_initialized = 0;
static smbc_get_auth_data_fn smbc_auth_fn = NULL;
/*static int smbc_debug;*/
static int smbc_start_fd;
static struct smbc_file **smbc_file_table;
static struct smbc_server *smbc_srvs;
static pstring  my_netbios_name;
static pstring smbc_user;

/*
 * Function to parse a path and turn it into components
 *
 * We accept smb://[[[domain;]user[:password@]]server[/share[/path[/file]]]]
 * 
 * smb://       means show all the workgroups
 * smb://name/  means, if name<1D> exists, list servers in workgroup,
 *              else, if name<20> exists, list all shares for server ...
 */

static const char *smbc_prefix = "smb:";

static int
smbc_parse_path(const char *fname, char *server, char *share, char *path,
		char *user, char *password) /* FIXME, lengths of strings */
{
	static pstring s;
	pstring userinfo;
	char *p;
	char *q, *r;
	int len;

	server[0] = share[0] = path[0] = user[0] = password[0] = (char)0;
	pstrcpy(s, fname);

	/*  clean_fname(s);  causing problems ... */

	/* see if it has the right prefix */
	len = strlen(smbc_prefix);
	if (strncmp(s,smbc_prefix,len) || 
	    (s[len] != '/' && s[len] != 0)) return -1; /* What about no smb: ? */

	p = s + len;

	/* Watch the test below, we are testing to see if we should exit */

	if (strncmp(p, "//", 2) && strncmp(p, "\\\\", 2)) {

		return -1;

	}

	p += 2;  /* Skip the // or \\  */

	if (*p == (char)0)
		return 0;

	if (*p == '/') {

		strncpy(server, (char *)lp_workgroup(), 16); /* FIXME: Danger here */
		return 0;
		
	}

	/*
	 * ok, its for us. Now parse out the server, share etc. 
	 *
	 * However, we want to parse out [[domain;]user[:password]@] if it
	 * exists ...
	 */

	/* check that '@' occurs before '/', if '/' exists at all */
	q = strchr(p, '@');
	r = strchr(p, '/');
	if (q && (!r || q < r)) {
		pstring username, passwd, domain;
		char *u = userinfo;

		next_token(&p, userinfo, "@", sizeof(fstring));

		username[0] = passwd[0] = domain[0] = 0;

		if (strchr(u, ';')) {
      
			next_token(&u, domain, ";", sizeof(fstring));

		}

		if (strchr(u, ':')) {

			next_token(&u, username, ":", sizeof(fstring));

			pstrcpy(passwd, u);

		}
		else {

			pstrcpy(username, u);

		}

		if (username[0])
			strncpy(user, username, sizeof(fstring));  /* FIXME, size and domain */

		if (passwd[0])
			strncpy(password, passwd, sizeof(fstring)); /* FIXME, size */

	}

	if (!next_token(&p, server, "/", sizeof(fstring))) {

		return -1;

	}

	if (*p == (char)0) return 0;  /* That's it ... */
  
	if (!next_token(&p, share, "/", sizeof(fstring))) {

		return -1;

	}

	pstrcpy(path, p);
  
	all_string_sub(path, "/", "\\", 0);

	return 0;
}

/*
 * Convert an SMB error into a UNIX error ...
 */

int smbc_errno(struct cli_state *c)
{
	int ret;

        if (cli_is_dos_error(c)) {
                uint8 eclass;
                uint32 ecode;

                cli_dos_error(c, &eclass, &ecode);
                ret = cli_errno_from_dos(eclass, ecode);
                
                DEBUG(3,("smbc_error %d %d (0x%x) -> %d\n", 
                         (int)eclass, (int)ecode, (int)ecode, ret));
        } else {
                NTSTATUS status;

                status = cli_nt_error(c);
                ret = cli_errno_from_nt(status);

                DEBUG(3,("smbc errno %s -> %d\n",
                         get_nt_error_msg(status), ret));
        }

	return ret;
}

/*
 * Connect to a server, possibly on an existing connection
 *
 * Here, what we want to do is: If the server and username
 * match an existing connection, reuse that, otherwise, establish a 
 * new connection.
 *
 * If we have to create a new connection, call the auth_fn to get the
 * info we need, unless the username and password were passed in.
 */

struct smbc_server *smbc_server(char *server, char *share, 
				char *workgroup, char *username, 
				char *password)
{
	struct smbc_server *srv=NULL;
	struct cli_state c;
	struct nmb_name called, calling;
	char *p, *server_n = server;
	fstring group;
	pstring ipenv;
	struct in_addr ip;
	extern struct in_addr ipzero;
  
	ip = ipzero;
	ZERO_STRUCT(c);

	/* try to use an existing connection */
	for (srv=smbc_srvs;srv;srv=srv->next) {
		if (strcmp(server,srv->server_name)==0 &&
		    strcmp(share,srv->share_name)==0 &&
		    strcmp(workgroup,srv->workgroup)==0 &&
		    strcmp(username, srv->username) == 0) 
			return srv;
	}

	if (server[0] == 0) {
		errno = EPERM;
		return NULL;
	}

	/* 
	 * Pick up the auth info here, once we know we need to connect
	 * But only if we do not have a username and password ...
	 */

	if (!username[0] || !password[0])
		smbc_auth_fn(server, share, workgroup, sizeof(fstring),
			     username, sizeof(fstring), password, sizeof(fstring));

	/* 
	 * However, smbc_auth_fn may have picked up info relating to an 
	 * existing connection, so try for an existing connection again ...
	 */

	for (srv=smbc_srvs;srv;srv=srv->next) {
		if (strcmp(server,srv->server_name)==0 &&
		    strcmp(share,srv->share_name)==0 &&
		    strcmp(workgroup,srv->workgroup)==0 &&
		    strcmp(username, srv->username) == 0) 
			return srv;
	}

	make_nmb_name(&calling, my_netbios_name, 0x0);
	make_nmb_name(&called , server, 0x20);

	DEBUG(4,("smbc_server: server_n=[%s] server=[%s]\n", server_n, server));
  
	if ((p=strchr(server_n,'#')) && 
	    (strcmp(p+1,"1D")==0 || strcmp(p+1,"01")==0)) {
    
		fstrcpy(group, server_n);
		p = strchr(group,'#');
		*p = 0;
		
	}

	DEBUG(4,(" -> server_n=[%s] server=[%s]\n", server_n, server));

 again:
	slprintf(ipenv,sizeof(ipenv)-1,"HOST_%s", server_n);

	ip = ipzero;

	/* have to open a new connection */
	if (!cli_initialise(&c) || !cli_connect(&c, server_n, &ip)) {
		if (c.initialised) cli_shutdown(&c);
		errno = ENOENT;
		return NULL;
	}

	if (!cli_session_request(&c, &calling, &called)) {
		cli_shutdown(&c);
		if (strcmp(called.name, "*SMBSERVER")) {
			make_nmb_name(&called , "*SMBSERVER", 0x20);
			goto again;
		}
		errno = ENOENT;
		return NULL;
	}
  
	DEBUG(4,(" session request ok\n"));
  
	if (!cli_negprot(&c)) {
		cli_shutdown(&c);
		errno = ENOENT;
		return NULL;
	}

	if (!cli_session_setup(&c, username, 
			       password, strlen(password),
			       password, strlen(password),
			       workgroup) &&
	    /* try an anonymous login if it failed */
	    !cli_session_setup(&c, "", "", 1,"", 0, workgroup)) {
		cli_shutdown(&c);
		errno = EPERM;
		return NULL;
	}

	DEBUG(4,(" session setup ok\n"));

	if (!cli_send_tconX(&c, share, "?????",
			    password, strlen(password)+1)) {
		errno = smbc_errno(&c);
		cli_shutdown(&c);
		return NULL;
	}
  
	DEBUG(4,(" tconx ok\n"));
  
	srv = (struct smbc_server *)malloc(sizeof(*srv));
	if (!srv) {
		errno = ENOMEM;
		goto failed;
	}

	ZERO_STRUCTP(srv);

	srv->cli = c;

	srv->dev = (dev_t)(str_checksum(server) ^ str_checksum(share));

	srv->server_name = strdup(server);
	if (!srv->server_name) {
		errno = ENOMEM;
		goto failed;
	}

	srv->share_name = strdup(share);
	if (!srv->share_name) {
		errno = ENOMEM;
		goto failed;
	}

	srv->workgroup = strdup(workgroup);
	if (!srv->workgroup) {
		errno = ENOMEM;
		goto failed;
	}

	srv->username = strdup(username);
	if (!srv->username) {
		errno = ENOMEM;
		goto failed;
	}

	DLIST_ADD(smbc_srvs, srv);

	return srv;

 failed:
	cli_shutdown(&c);
	if (!srv) return NULL;
  
	SAFE_FREE(srv->server_name);
	SAFE_FREE(srv->share_name);
	SAFE_FREE(srv->workgroup);
	SAFE_FREE(srv->username);
	SAFE_FREE(srv);
	return NULL;
}

/* 
 *Remove a server from the list smbc_srvs if it's unused -- Tom (tom@ninja.nl)
 *
 * We accept a *srv 
 */
BOOL smbc_remove_unused_server(struct smbc_server * s)
{
	int p;

	/* are we being fooled ? */
	if (!s) return False;

	/* close all open files/directories on this server */
	for (p = 0; p < SMBC_MAX_FD; p++) {
		if (smbc_file_table[p] &&
		    smbc_file_table[p]->srv == s) {
			/* Still used .. DARN */
			DEBUG(3, ("smbc_remove_usused_server: %x still used by %s (%d).\n", (int) s, 
				  smbc_file_table[p]->fname, smbc_file_table[p]->smbc_fd));
			return False;
		}
	}

	cli_shutdown(&s->cli);
	
	SAFE_FREE(s->username);
	SAFE_FREE(s->workgroup);
	SAFE_FREE(s->server_name);
	SAFE_FREE(s->share_name);
	DLIST_REMOVE(smbc_srvs, s);
	DEBUG(3, ("smbc_remove_usused_server: %x removed.\n", (int) s));
	SAFE_FREE(s);
	return True;
}


/*
 *Initialise the library etc 
 *
 * We accept valiv values for debug from 0 to 100,
 * and insist that fn must be non-null.
 */

int smbc_init(smbc_get_auth_data_fn fn, int debug)
{
	pstring conf;
	int p, pid;
	char *user = NULL, *home = NULL, *pname="libsmbclient";

	if (!fn || debug < 0 || debug > 100) {

		errno = EINVAL;
		return -1;

	}

	if (smbc_initialized) { /* Don't go through this if we have already done it */

		return 0;

	}

	smbc_initialized = 1;
	smbc_auth_fn = fn;
	/*  smbc_debug = debug; */

	DEBUGLEVEL = -1;

	setup_logging(pname, False);

	/* Here we would open the smb.conf file if needed ... */

	home = getenv("HOME");

	slprintf(conf, sizeof(conf), "%s/.smb/smb.conf", home);

	load_interfaces();  /* Load the list of interfaces ... */

	charset_initialise();
	
	in_client = True; /* FIXME, make a param */

	if (!lp_load(conf, True, False, False)) {

		/*
		 * Hmmm, what the hell do we do here ... we could not parse the
		 * config file ... We must return an error ... and keep info around
		 * about why we failed
		 */
    
		errno = ENOENT; /* FIXME: Figure out the correct error response */
		return -1;

	}

	codepage_initialise(lp_client_code_page()); /* Get a codepage */

	reopen_logs();  /* Get logging working ... */

	/*
	 * FIXME: Is this the best way to get the user info? 
	 */

	user = getenv("USER");
	/* walk around as "guest" if no username can be found */
	if (!user) user = strdup("guest");
	pstrcpy(smbc_user, user); /* Save for use elsewhere */
	
	/*
	 * We try to get our netbios name from the config. If that fails we fall
	 * back on constructing our netbios name from our hostname etc
	 */
	if (global_myname) {
		pstrcpy(my_netbios_name, global_myname);
	}
	else {
		/*
		 * Hmmm, I want to get hostname as well, but I am too lazy for the moment
		 */
		pid = getpid();
		slprintf(my_netbios_name, 16, "smbc%s%d", user, pid);
	}
	DEBUG(0,("Using netbios name %s.\n", my_netbios_name));

	name_register_wins(my_netbios_name, 0);

	/* 
	 * Now initialize the file descriptor array and figure out what the
	 * max open files is, so we can return FD's that are above the max
	 * open file, and separated by a guard band
	 */

#if (defined(HAVE_GETRLIMIT) && defined(RLIMIT_NOFILE))
	do {
		struct rlimit rlp;
		
		if (getrlimit(RLIMIT_NOFILE, &rlp)) {

			DEBUG(0, ("smbc_init: getrlimit(1) for RLIMIT_NOFILE failed with error %s\n", strerror(errno)));

			smbc_start_fd = 1000000;

		}
		else {
			
			smbc_start_fd = rlp.rlim_max + 10000; /* Leave a guard space of 10,000 */
			
		}
	} while ( 0 );
#else /* !defined(HAVE_GETRLIMIT) || !defined(RLIMIT_NOFILE) */

	smbc_start_fd = 1000000;

#endif

	smbc_file_table = malloc(SMBC_MAX_FD * sizeof(struct smbc_file *));
	if (!smbc_file_table)
		return ENOMEM;

	for (p = 0; p < SMBC_MAX_FD; p++)
		smbc_file_table[p] = NULL;

	return 0;  /* Success */

}

/*
 * Routine to open() a file ...
 */

int smbc_open(const char *fname, int flags, mode_t mode)
{
	fstring server, share, user, password, workgroup;
	pstring path;
	struct smbc_server *srv = NULL;
	int fd;

	if (!smbc_initialized) {

		errno = EINVAL;  /* Best I can think of ... */
		return -1;

	}

	if (!fname) {

		errno = EINVAL;
		return -1;

	}

	smbc_parse_path(fname, server, share, path, user, password); /* FIXME, check errors */

	if (user[0] == (char)0) pstrcpy(user, smbc_user);

	pstrcpy(workgroup, lp_workgroup());

	srv = smbc_server(server, share, workgroup, user, password);

	if (!srv) {

		if (errno == EPERM) errno = EACCES;
		return -1;  /* smbc_server sets errno */
    
	}

	/* Hmmm, the test for a directory is suspect here ... FIXME */

	if (strlen(path) > 0 && path[strlen(path) - 1] == '\\') {
    
		fd = -1;

	}
	else {
	  
		int slot = 0;

		/* Find a free slot first */

		while (smbc_file_table[slot])
			slot++;

		if (slot > SMBC_MAX_FD) {

			errno = ENOMEM; /* FIXME, is this best? */
			return -1;

		}

		smbc_file_table[slot] = malloc(sizeof(struct smbc_file));

		if (!smbc_file_table[slot]) {

			errno = ENOMEM;
			return -1;

		}

		if ((fd = cli_open(&srv->cli, path, flags, DENY_NONE)) < 0) {

			/* Handle the error ... */

			SAFE_FREE(smbc_file_table[slot]);
			errno = smbc_errno(&srv->cli);
			return -1;

		}

		/* Fill in file struct */

		smbc_file_table[slot]->cli_fd  = fd;
		smbc_file_table[slot]->smbc_fd = slot + smbc_start_fd;
		smbc_file_table[slot]->fname   = strdup(fname);
		smbc_file_table[slot]->srv     = srv;
		smbc_file_table[slot]->offset  = 0;
		smbc_file_table[slot]->file    = True;

		return smbc_file_table[slot]->smbc_fd;

	}

	/* Check if opendir needed ... */

	if (fd == -1) {
		int eno = 0;

		eno = smbc_errno(&srv->cli);
		fd = smbc_opendir(fname);
		if (fd < 0) errno = eno;
		return fd;

	}

	return 1;  /* Success, with fd ... */

}

/*
 * Routine to create a file 
 */

static int creat_bits = O_WRONLY | O_CREAT | O_TRUNC; /* FIXME: Do we need this */

int smbc_creat(const char *path, mode_t mode)
{

	if (!smbc_initialized) {

		errno = EINVAL;
		return -1;

	}

	return smbc_open(path, creat_bits, mode);
}

/*
 * Routine to read() a file ...
 */

ssize_t smbc_read(int fd, void *buf, size_t count)
{
	struct smbc_file *fe;
	int ret;

	if (!smbc_initialized) {

		errno = EINVAL;
		return -1;

	}

	DEBUG(4, ("smbc_read(%d, %d)\n", fd, (int)count));

	if (fd < smbc_start_fd || fd >= (smbc_start_fd + SMBC_MAX_FD)) {

		errno = EBADF;
		return -1;

	}

	/* Check that the buffer exists ... */

	if (buf == NULL) {

		errno = EINVAL;
		return -1;

	}

	fe = smbc_file_table[fd - smbc_start_fd];

	if (!fe || !fe->file) {

		errno = EBADF;
		return -1;

	}

	ret = cli_read(&fe->srv->cli, fe->cli_fd, buf, fe->offset, count);

	if (ret < 0) {

		errno = smbc_errno(&fe->srv->cli);
		return -1;

	}

	fe->offset += ret;

	DEBUG(4, ("  --> %d\n", ret));

	return ret;  /* Success, ret bytes of data ... */

}

/*
 * Routine to write() a file ...
 */

ssize_t smbc_write(int fd, void *buf, size_t count)
{
	int ret;
	struct smbc_file *fe;

	if (!smbc_initialized) {

		errno = EINVAL;
		return -1;

	}

	if (fd < smbc_start_fd || fd >= (smbc_start_fd + SMBC_MAX_FD)) {

		errno = EBADF;
		return -1;
    
	}

	/* Check that the buffer exists ... */

	if (buf == NULL) {

		errno = EINVAL;
		return -1;

	}

	fe = smbc_file_table[fd - smbc_start_fd];

	if (!fe || !fe->file) {

		errno = EBADF;
		return -1;

	}

	ret = cli_write(&fe->srv->cli, fe->cli_fd, 0, buf, fe->offset, count);

	if (ret <= 0) {

		errno = smbc_errno(&fe->srv->cli);
		return -1;

	}

	fe->offset += ret;

	return ret;  /* Success, 0 bytes of data ... */
}
 
/*
 * Routine to close() a file ...
 */

int smbc_close(int fd)
{
	struct smbc_file *fe;
	struct smbc_server *srv;

	if (!smbc_initialized) {

		errno = EINVAL;
		return -1;

	}

	if (fd < smbc_start_fd || fd >= (smbc_start_fd + SMBC_MAX_FD)) {
   
		errno = EBADF;
		return -1;

	}

	fe = smbc_file_table[fd - smbc_start_fd];

	if (!fe) {

		errno = EBADF;
		return -1;

	}

	if (!fe->file) {

		return smbc_closedir(fd);

	}

	if (!cli_close(&fe->srv->cli, fe->cli_fd)) {
		DEBUG(3, ("cli_close failed on %s (%d). purging server.\n", 
			  fe->fname, fe->smbc_fd));
		/* Deallocate slot and remove the server 
		 * from the server cache if unused */
		errno = smbc_errno(&fe->srv->cli);  
		srv = fe->srv;
		SAFE_FREE(fe->fname);
		SAFE_FREE(fe);
		smbc_file_table[fd - smbc_start_fd] = NULL;
		smbc_remove_unused_server(srv);
		return -1;
	}

	SAFE_FREE(fe->fname);
	SAFE_FREE(fe);
	smbc_file_table[fd - smbc_start_fd] = NULL;

	return 0;
}

/*
 * Routine to unlink() a file
 */

int smbc_unlink(const char *fname)
{
	fstring server, share, user, password, workgroup;
	pstring path;
	struct smbc_server *srv = NULL;

	if (!smbc_initialized) {

		errno = EINVAL;  /* Best I can think of ... */
		return -1;

	}

	if (!fname) {

		errno = EINVAL;
		return -1;

	}

	smbc_parse_path(fname, server, share, path, user, password); /* FIXME, check errors */

	if (user[0] == (char)0) pstrcpy(user, smbc_user);

	pstrcpy(workgroup, lp_workgroup());

	srv = smbc_server(server, share, workgroup, user, password);

	if (!srv) {

		return -1;  /* smbc_server sets errno */

	}

	/*  if (strncmp(srv->cli.dev, "LPT", 3) == 0) {

    int job = smbc_stat_printjob(srv, path, NULL, NULL);
    if (job == -1) {

      return -1;

    }
    if ((err = cli_printjob_del(&srv->cli, job)) != 0) {

    
      return -1;

    }
    } else */

	if (!cli_unlink(&srv->cli, path)) {

		errno = smbc_errno(&srv->cli);

		if (errno == EACCES) { /* Check if the file is a directory */

			int saverr = errno;
			size_t size = 0;
			uint16 mode = 0;
			time_t m_time = 0, a_time = 0, c_time = 0;
			SMB_INO_T ino = 0;

			if (!smbc_getatr(srv, path, &mode, &size,
					 &c_time, &a_time, &m_time, &ino)) {

				/* Hmmm, bad error ... What? */

				errno = smbc_errno(&srv->cli);
				return -1;

			}
			else {

				if (IS_DOS_DIR(mode))
					errno = EISDIR;
				else
					errno = saverr;  /* Restore this */

			}
		}

		return -1;

	}

	return 0;  /* Success ... */

}

/*
 * Routine to rename() a file
 */

int smbc_rename(const char *oname, const char *nname)
{
	fstring server1, share1, server2, share2, user1, user2, password1, password2, workgroup;
	pstring path1, path2;
	struct smbc_server *srv = NULL;

	if (!smbc_initialized) {

		errno = EINVAL;  /* Best I can think of ... */
		return -1;

	}
	
	if (!oname || !nname) {

		errno = EINVAL;
		return -1;

	}
	
	DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));

	smbc_parse_path(oname, server1, share1, path1, user1, password1);

	if (user1[0] == (char)0) pstrcpy(user1, smbc_user);

	smbc_parse_path(nname, server2, share2, path2, user2, password2);

	if (user2[0] == (char)0) pstrcpy(user2, smbc_user);

	if (strcmp(server1, server2) || strcmp(share1, share2) ||
	    strcmp(user1, user2)) {

		/* Can't rename across file systems, or users?? */

		errno = EXDEV;
		return -1;

	}

	pstrcpy(workgroup, lp_workgroup());

	srv = smbc_server(server1, share1, workgroup, user1, password1);
	if (!srv) {

		return -1;

	}

	if (!cli_rename(&srv->cli, path1, path2)) {
		int eno = smbc_errno(&srv->cli);

		if (eno != EEXIST ||
		    !cli_unlink(&srv->cli, path2) ||
		    !cli_rename(&srv->cli, path1, path2)) {

			errno = eno;
			return -1;

		}
	}

	return 0; /* Success */

}

/*
 * A routine to lseek() a file
 */

off_t smbc_lseek(int fd, off_t offset, int whence)
{
	struct smbc_file *fe;
	size_t size;

	if (!smbc_initialized) {

		errno = EINVAL;
		return -1;
		
	}

	if (fd < smbc_start_fd || fd >= (smbc_start_fd + SMBC_MAX_FD)) {

		errno = EBADF;
		return -1;

	}

	fe = smbc_file_table[fd - smbc_start_fd];

	if (!fe) {

		errno = EBADF;
		return -1;

	}

	if (!fe->file) {

		errno = EINVAL;
		return -1;      /* Can't lseek a dir ... */

	}

	switch (whence) {
	case SEEK_SET:
		fe->offset = offset;
		break;

	case SEEK_CUR:
		fe->offset += offset;
		break;

	case SEEK_END:
		if (!cli_qfileinfo(&fe->srv->cli, fe->cli_fd, NULL, &size, NULL, NULL,
				   NULL, NULL, NULL) &&
		    !cli_getattrE(&fe->srv->cli, fe->cli_fd, NULL, &size, NULL, NULL,
				  NULL)) {

			errno = EINVAL;
			return -1;
		}
		fe->offset = size + offset;
		break;

	default:
		errno = EINVAL;
		break;

	}

	return fe->offset;

}

/* 
 * Generate an inode number from file name for those things that need it
 */

static
ino_t smbc_inode(const char *name)
{

	if (!*name) return 2; /* FIXME, why 2 ??? */
	return (ino_t)str_checksum(name);

}

/*
 * Routine to put basic stat info into a stat structure ... Used by stat and
 * fstat below.
 */

static
int smbc_setup_stat(struct stat *st, char *fname, size_t size, int mode)
{
	
	st->st_mode = 0;

	if (IS_DOS_DIR(mode)) {
		st->st_mode = SMBC_DIR_MODE;
	} else {
		st->st_mode = SMBC_FILE_MODE;
	}

	if (IS_DOS_ARCHIVE(mode)) st->st_mode |= S_IXUSR;
	if (IS_DOS_SYSTEM(mode)) st->st_mode |= S_IXGRP;
	if (IS_DOS_HIDDEN(mode)) st->st_mode |= S_IXOTH;
	if (!IS_DOS_READONLY(mode)) st->st_mode |= S_IWUSR;

	st->st_size = size;
	st->st_blksize = 512;
	st->st_blocks = (size+511)/512;
	st->st_uid = getuid();
	st->st_gid = getgid();

	if (IS_DOS_DIR(mode)) {
		st->st_nlink = 2;
	} else {
		st->st_nlink = 1;
	}

	if (st->st_ino == 0) {
		st->st_ino = smbc_inode(fname);
	}
	
	return True;  /* FIXME: Is this needed ? */

}

/*
 * Get info from an SMB server on a file. Use a qpathinfo call first
 * and if that fails, use getatr, as Win95 sometimes refuses qpathinfo
 */

BOOL smbc_getatr(struct smbc_server *srv, char *path, 
		 uint16 *mode, size_t *size, 
		 time_t *c_time, time_t *a_time, time_t *m_time,
		 SMB_INO_T *ino)
{

	if (!smbc_initialized) {
		
		errno = EINVAL;
		return -1;

	}

	DEBUG(4,("smbc_getatr: sending qpathinfo\n"));
  
	if (!srv->no_pathinfo2 &&
	    cli_qpathinfo2(&srv->cli, path, c_time, a_time, m_time, NULL,
			   size, mode, ino)) return True;

	/* if this is NT then don't bother with the getatr */
	if (srv->cli.capabilities & CAP_NT_SMBS) return False;

	if (cli_getatr(&srv->cli, path, mode, size, m_time)) {
		a_time = c_time = m_time;
		srv->no_pathinfo2 = True;
		return True;
	}
	return False;
}

/*
 * Routine to stat a file given a name
 */

int smbc_stat(const char *fname, struct stat *st)
{
	struct smbc_server *srv;
	fstring server, share, user, password, workgroup;
	pstring path;
	time_t m_time = 0, a_time = 0, c_time = 0;
	size_t size = 0;
	uint16 mode = 0;
	SMB_INO_T ino = 0;

	if (!smbc_initialized) {

		errno = EINVAL;  /* Best I can think of ... */
		return -1;
    
	}

	if (!fname) {

		errno = EINVAL;
		return -1;

	}
  
	DEBUG(4, ("smbc_stat(%s)\n", fname));

	smbc_parse_path(fname, server, share, path, user, password); /*FIXME, errors*/

	if (user[0] == (char)0) pstrcpy(user, smbc_user);

	pstrcpy(workgroup, lp_workgroup());

	srv = smbc_server(server, share, workgroup, user, password);

	if (!srv) {

		return -1;  /* errno set by smbc_server */

	}

	/* if (strncmp(srv->cli.dev, "IPC", 3) == 0) {

	   mode = aDIR | aRONLY;

	   }
	   else if (strncmp(srv->cli.dev, "LPT", 3) == 0) {
	   
	   if (strcmp(path, "\\") == 0) {
	   
	   mode = aDIR | aRONLY;

	   }
	   else {

	   mode = aRONLY;
	   smbc_stat_printjob(srv, path, &size, &m_time);
	   c_time = a_time = m_time;

	   }
	   else { */

	if (!smbc_getatr(srv, path, &mode, &size, 
			 &c_time, &a_time, &m_time, &ino)) {

		errno = smbc_errno(&srv->cli);
		return -1;
		
	}

	st->st_ino = ino;

	smbc_setup_stat(st, path, size, mode);

	st->st_atime = a_time;
	st->st_ctime = c_time;
	st->st_mtime = m_time;
	st->st_dev   = srv->dev;

	return 0;

}

/*
 * Routine to stat a file given an fd
 */

int smbc_fstat(int fd, struct stat *st)
{
	struct smbc_file *fe;
	time_t c_time, a_time, m_time;
	size_t size;
	uint16 mode;
	SMB_INO_T ino = 0;

	if (!smbc_initialized) {

		errno = EINVAL;
		return -1;

	}

	if (fd < smbc_start_fd || fd >= (smbc_start_fd + SMBC_MAX_FD)) {

		errno = EBADF;
		return -1;
    
	}

	fe = smbc_file_table[fd - smbc_start_fd];
	
	if (!fe) {

		errno = EBADF;
		return -1;

	}

	if (!fe->file) {

		return smbc_fstatdir(fd, st);

	}

	if (!cli_qfileinfo(&fe->srv->cli, fe->cli_fd,
			   &mode, &size, &c_time, &a_time, &m_time, NULL, &ino) &&
	    !cli_getattrE(&fe->srv->cli, fe->cli_fd,
			  &mode, &size, &c_time, &a_time, &m_time)) {

		errno = EINVAL;
		return -1;

	}

	st->st_ino = ino;

	smbc_setup_stat(st, fe->fname, size, mode);

	st->st_atime = a_time;
	st->st_ctime = c_time;
	st->st_mtime = m_time;
	st->st_dev = fe->srv->dev;

	return 0;

}

/*
 * Routine to open a directory
 *
 * We want to allow:
 *
 * smb: which should list all the workgroups available
 * smb:workgroup
 * smb:workgroup//server
 * smb://server
 * smb://server/share
 * smb://<IP-addr> which should list shares on server
 * smb://<IP-addr>/share which should list files on share
 */

static void smbc_remove_dir(struct smbc_file *dir)
{
	struct smbc_dir_list *d,*f;

	d = dir->dir_list;
	while (d) {

		f = d; d = d->next;

		SAFE_FREE(f->dirent);
		SAFE_FREE(f);

	}

	dir->dir_list = dir->dir_end = dir->dir_next = NULL;

}

static int add_dirent(struct smbc_file *dir, const char *name, const char *comment, uint32 type)
{
	struct smbc_dirent *dirent;
	int size;

	/*
	 * Allocate space for the dirent, which must be increased by the 
	 * size of the name and the comment and 1 for the null on the comment.
	 * The null on the name is already accounted for.
	 */

	size = sizeof(struct smbc_dirent) + (name?strlen(name):0) +
		(comment?strlen(comment):0) + 1; 
    
	dirent = malloc(size);

	if (!dirent) {

		dir->dir_error = ENOMEM;
		return -1;

	}

	if (dir->dir_list == NULL) {

		dir->dir_list = malloc(sizeof(struct smbc_dir_list));
		if (!dir->dir_list) {

			SAFE_FREE(dirent);
			dir->dir_error = ENOMEM;
			return -1;

		}

		dir->dir_end = dir->dir_next = dir->dir_list;
  
	}
	else {

		dir->dir_end->next = malloc(sizeof(struct smbc_dir_list));
		
		if (!dir->dir_end) {
			
			SAFE_FREE(dirent);
			dir->dir_error = ENOMEM;
			return -1;

		}

		dir->dir_end = dir->dir_end->next;

	}

	dir->dir_end->next = NULL;
	dir->dir_end->dirent = dirent;
	
	dirent->smbc_type = type;
	dirent->namelen = (name?strlen(name):0);
	dirent->commentlen = (comment?strlen(comment):0);
	dirent->dirlen = size;
  
	strncpy(dirent->name, (name?name:""), dirent->namelen + 1);

	dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
	strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1);

	return 0;

}

static void
list_fn(const char *name, uint32 type, const char *comment, void *state)
{
	struct smbc_file *dir = (struct smbc_file *)state;
	int dirent_type;

	/* We need to process the type a little ... */

	if (dir->dir_type == SMBC_FILE_SHARE) {
		
		switch (type) {
		case 0: /* Directory tree */
			dirent_type = SMBC_FILE_SHARE;
			break;

		case 1:
			dirent_type = SMBC_PRINTER_SHARE;
			break;

		case 2:
			dirent_type = SMBC_COMMS_SHARE;
			break;

		case 3:
			dirent_type = SMBC_IPC_SHARE;
			break;

		default:
			dirent_type = SMBC_FILE_SHARE; /* FIXME, error? */
			break;
		}

	}
	else dirent_type = dir->dir_type;

	if (add_dirent(dir, name, comment, dirent_type) < 0) {

		/* An error occurred, what do we do? */
		/* FIXME: Add some code here */

	}

}

static void
dir_list_fn(file_info *finfo, const char *mask, void *state)
{

	if (add_dirent((struct smbc_file *)state, finfo->name, "", 
		       (finfo->mode&aDIR?SMBC_DIR:SMBC_FILE)) < 0) {

		/* Handle an error ... */

		/* FIXME: Add some code ... */

	} 

}

int smbc_opendir(const char *fname)
{
	fstring server, share, user, password, workgroup;
	pstring path;
	struct smbc_server *srv = NULL;
	struct in_addr rem_ip;
	int slot = 0;

	if (!smbc_initialized) {

		errno = EINVAL;
		return -1;

	}

	if (!fname) {
    
		errno = EINVAL;
		return -1;

	}

	if (smbc_parse_path(fname, server, share, path, user, password)) {

		errno = EINVAL;
		return -1;

	}

	if (user[0] == (char)0) pstrcpy(user, smbc_user);

	pstrcpy(workgroup, lp_workgroup());

	/* Get a file entry ... */

	slot = 0;

	while (smbc_file_table[slot])
		slot++;

	if (slot > SMBC_MAX_FD) {

		errno = ENOMEM;
		return -1; /* FIXME, ... move into a func */
      
	}

	smbc_file_table[slot] = malloc(sizeof(struct smbc_file));

	if (!smbc_file_table[slot]) {

		errno = ENOMEM;
		return -1;

	}

	smbc_file_table[slot]->cli_fd   = 0;
	smbc_file_table[slot]->smbc_fd  = slot + smbc_start_fd;
	smbc_file_table[slot]->fname    = strdup(fname);
	smbc_file_table[slot]->srv      = NULL;
	smbc_file_table[slot]->offset   = 0;
	smbc_file_table[slot]->file     = False;
	smbc_file_table[slot]->dir_list = 
		smbc_file_table[slot]->dir_next =
		smbc_file_table[slot]->dir_end = NULL;

	if (server[0] == (char)0) {

		if (share[0] != (char)0 || path[0] != (char)0) {
    
			errno = EINVAL;
			if (smbc_file_table[slot]) {
				SAFE_FREE(smbc_file_table[slot]->fname);
				SAFE_FREE(smbc_file_table[slot]);
			}
			return -1;

		}

		/* We have server and share and path empty ... so list the workgroups */

		if (!resolve_name(lp_workgroup(), &rem_ip, 0x1d)) {
      
			errno = EINVAL;  /* Something wrong with smb.conf? */
			return -1;

		}

		smbc_file_table[slot]->dir_type = SMBC_WORKGROUP;

		/* find the name of the server ... */

		if (!name_status_find("*", 0, 0, rem_ip, server)) {

			DEBUG(0,("Could not get the name of local master browser for server %s\n", server));
			errno = EINVAL;
			return -1;

		}

		/*
		 * Get a connection to IPC$ on the server if we do not already have one
		 */

		srv = smbc_server(server, "IPC$", workgroup, user, password);

		if (!srv) {

			if (smbc_file_table[slot]) {
				SAFE_FREE(smbc_file_table[slot]->fname);
				SAFE_FREE(smbc_file_table[slot]);
			}
			
			return -1;

		}

		smbc_file_table[slot]->srv = srv;

		/* Now, list the stuff ... */

		if (!cli_NetServerEnum(&srv->cli, workgroup, 0x80000000, list_fn,
				       (void *)smbc_file_table[slot])) {

			if (smbc_file_table[slot]) {
				SAFE_FREE(smbc_file_table[slot]->fname);
				SAFE_FREE(smbc_file_table[slot]);
			}
			errno = cli_errno(&srv->cli);

			return -1;

		}
	}
	else { /* Server not an empty string ... Check the rest and see what gives */

		if (share[0] == (char)0) {

			if (path[0] != (char)0) { /* Should not have empty share with path */

				errno = EINVAL;
				if (smbc_file_table[slot]) {
					SAFE_FREE(smbc_file_table[slot]->fname);
					SAFE_FREE(smbc_file_table[slot]);
				}
				return -1;
	
			}

			/* Check to see if <server><1D> translates, or <server><20> translates */
			/* However, we check to see if <server> is an IP address first */

			if (!is_ipaddress(server) &&  /* Not an IP addr so check next */
			    resolve_name(server, &rem_ip, 0x1d)) { /* Found LMB */
				pstring buserver;

				smbc_file_table[slot]->dir_type = SMBC_SERVER;

				/*
				 * Get the backup list ...
				 */


				if (!name_status_find("*", 0, 0, rem_ip, buserver)) {

					DEBUG(0, ("Could not get name of local master browser for server %s\n", server));
					errno = EPERM;  /* FIXME, is this correct */
					return -1;

				}

				/*
				 * Get a connection to IPC$ on the server if we do not already have one
				 */

				srv = smbc_server(buserver, "IPC$", workgroup, user, password);

				if (!srv) {

					if (smbc_file_table[slot]) {
						SAFE_FREE(smbc_file_table[slot]->fname);
						SAFE_FREE(smbc_file_table[slot]);
					}
					return -1;

				}

				smbc_file_table[slot]->srv = srv;

				/* Now, list the servers ... */

				if (!cli_NetServerEnum(&srv->cli, server, 0x0000FFFE, list_fn,
						       (void *)smbc_file_table[slot])) {

					if (smbc_file_table[slot]) {
						SAFE_FREE(smbc_file_table[slot]->fname);
						SAFE_FREE(smbc_file_table[slot]);
					}
					errno = cli_errno(&srv->cli);
					return -1;
					
				}

			}
			else {

				if (resolve_name(server, &rem_ip, 0x20)) {

					/* Now, list the shares ... */

					smbc_file_table[slot]->dir_type = SMBC_FILE_SHARE;

					srv = smbc_server(server, "IPC$", workgroup, user, password);

					if (!srv) {

						if (smbc_file_table[slot]) {
							SAFE_FREE(smbc_file_table[slot]->fname);
							SAFE_FREE(smbc_file_table[slot]);
						}
						return -1;

					}

					smbc_file_table[slot]->srv = srv;

					/* Now, list the servers ... */

					if (cli_RNetShareEnum(&srv->cli, list_fn, 
							      (void *)smbc_file_table[slot]) < 0) {

						errno = cli_errno(&srv->cli);
						if (smbc_file_table[slot]) {
							SAFE_FREE(smbc_file_table[slot]->fname);
							SAFE_FREE(smbc_file_table[slot]);
						}
						return -1;

					}

				}
				else {

					errno = ENODEV;   /* Neither the workgroup nor server exists */
					if (smbc_file_table[slot]) {
						SAFE_FREE(smbc_file_table[slot]->fname);
						SAFE_FREE(smbc_file_table[slot]);
					}
					return -1;

				}

			}

		}
		else { /* The server and share are specified ... work from there ... */

			/* Well, we connect to the server and list the directory */

			smbc_file_table[slot]->dir_type = SMBC_FILE_SHARE;

			srv = smbc_server(server, share, workgroup, user, password);

			if (!srv) {

				if (smbc_file_table[slot]) {
					SAFE_FREE(smbc_file_table[slot]->fname);
					SAFE_FREE(smbc_file_table[slot]);
				}
				return -1;

			}

			smbc_file_table[slot]->srv = srv;

			/* Now, list the files ... */

			pstrcat(path, "\\*");

			if (cli_list(&srv->cli, path, aDIR | aSYSTEM | aHIDDEN, dir_list_fn, 
				     (void *)smbc_file_table[slot]) < 0) {

				if (smbc_file_table[slot]) {
					SAFE_FREE(smbc_file_table[slot]->fname);
					SAFE_FREE(smbc_file_table[slot]);
				}
				errno = smbc_errno(&srv->cli);
				return -1;

			}
		}

	}

	return smbc_file_table[slot]->smbc_fd;

}

/*
 * Routine to close a directory
 */

int smbc_closedir(int fd)
{
	struct smbc_file *fe;

	if (!smbc_initialized) {

		errno = EINVAL;
		return -1;

	}

	if (fd < smbc_start_fd || fd >= (smbc_start_fd + SMBC_MAX_FD)) {

		errno = EBADF;
		return -1;
    
	}

	fe = smbc_file_table[fd - smbc_start_fd];

	if (!fe) {

		errno = EBADF;  
		return -1;

	}

	smbc_remove_dir(fe); /* Clean it up */

	if (fe) {

		SAFE_FREE(fe->fname);
		SAFE_FREE(fe);    /* Free the space too */

	}

	smbc_file_table[fd - smbc_start_fd] = NULL;

	return 0;

}

/*
 * Routine to get a directory entry
 */

static char smbc_local_dirent[512];  /* Make big enough */

struct smbc_dirent *smbc_readdir(unsigned int fd)
{
	struct smbc_file *fe;
	struct smbc_dirent *dirp, *dirent;

	/* Check that all is ok first ... */

	if (!smbc_initialized) {

		errno = EINVAL;
		return NULL;

	}

	if (fd < smbc_start_fd || fd >= (smbc_start_fd + SMBC_MAX_FD)) {

		errno = EBADF;
		return NULL;

	}

	fe = smbc_file_table[fd - smbc_start_fd];

	if (!fe) {

		errno = EBADF;
		return NULL;

	}

	if (fe->file != False) { /* FIXME, should be dir, perhaps */

		errno = ENOTDIR;
		return NULL;

	}

	if (!fe->dir_next)
		return NULL;
	else {

		dirent = fe->dir_next->dirent;

		if (!dirent) {

			errno = ENOENT;
			return NULL;

		}

		/* Hmmm, do I even need to copy it? */

		bcopy(dirent, smbc_local_dirent, dirent->dirlen); /* Copy the dirent */
		dirp = (struct smbc_dirent *)smbc_local_dirent;
		dirp->comment = (char *)(&dirp->name + dirent->namelen + 1);
		fe->dir_next = fe->dir_next->next;

		return (struct smbc_dirent *)smbc_local_dirent;
	}

}

/*
 * Routine to get directory entries
 */

int smbc_getdents(unsigned int fd, struct smbc_dirent *dirp, int count)
{
	struct smbc_file *fe;
	struct smbc_dir_list *dir;
	int rem = count, reqd;
	char *ndir = (char *)dirp;

	/* Check that all is ok first ... */

	if (!smbc_initialized) {

		errno = EINVAL;
		return -1;

	}

	if (fd < smbc_start_fd || fd >= (smbc_start_fd + SMBC_MAX_FD)) {

		errno = EBADF;
		return -1;

	}

	fe = smbc_file_table[fd - smbc_start_fd];

	if (!fe) {

		errno = EBADF;
		return -1;
    
	}

	if (fe->file != False) { /* FIXME, should be dir, perhaps */

		errno = ENOTDIR;
		return -1;

	}

	/* 
	 * Now, retrieve the number of entries that will fit in what was passed
	 * We have to figure out if the info is in the list, or we need to 
	 * send a request to the server to get the info.
	 */

	while ((dir = fe->dir_next)) {
		struct smbc_dirent *dirent;

		if (!dir->dirent) {

			errno = ENOENT;  /* Bad error */
			return -1;

		}

		if (rem < (reqd = (sizeof(struct smbc_dirent) + dir->dirent->namelen + 
				   dir->dirent->commentlen + 1))) {

			if (rem < count) { /* We managed to copy something */

				errno = 0;
				return count - rem;

			}
			else { /* Nothing copied ... */

				errno = EINVAL;  /* Not enough space ... */
				return -1;

			}

		}

		dirent = dir->dirent;

		bcopy(dirent, ndir, reqd); /* Copy the data in ... */
    
		((struct smbc_dirent *)ndir)->comment = 
			(char *)(&((struct smbc_dirent *)ndir)->name + dirent->namelen + 1);

		ndir += reqd;

		rem -= reqd;

		fe->dir_next = dir = dir -> next;
	}

	if (rem == count)
		return 0;
	else 
		return count - rem;

}

/*
 * Routine to create a directory ...
 */

int smbc_mkdir(const char *fname, mode_t mode)
{
	struct smbc_server *srv;
	fstring server, share, user, password, workgroup;
	pstring path;

	if (!smbc_initialized) {

		errno = EINVAL;
		return -1;

	}

	if (!fname) {

		errno = EINVAL;
		return -1;

	}
  
	DEBUG(4, ("smbc_mkdir(%s)\n", fname));

	smbc_parse_path(fname, server, share, path, user, password); /*FIXME, errors*/

	if (user[0] == (char)0) pstrcpy(user, smbc_user);

	pstrcpy(workgroup, lp_workgroup());

	srv = smbc_server(server, share, workgroup, user, password);

	if (!srv) {

		return -1;  /* errno set by smbc_server */

	}

	/* if (strncmp(srv->cli.dev, "IPC", 3) == 0) {

	   mode = aDIR | aRONLY;

	   }
	   else if (strncmp(srv->cli.dev, "LPT", 3) == 0) {

	   if (strcmp(path, "\\") == 0) {

	   mode = aDIR | aRONLY;

	   }
	   else {

	   mode = aRONLY;
	   smbc_stat_printjob(srv, path, &size, &m_time);
	   c_time = a_time = m_time;

	   }
	   else { */

	if (!cli_mkdir(&srv->cli, path)) {

		errno = smbc_errno(&srv->cli);
		return -1;

	} 

	return 0;

}

/*
 * Our list function simply checks to see if a directory is not empty
 */

static int smbc_rmdir_dirempty = True;

static void rmdir_list_fn(file_info *finfo, const char *mask, void *state)
{

	if (strncmp(finfo->name, ".", 1) != 0 && strncmp(finfo->name, "..", 2) != 0)
		smbc_rmdir_dirempty = False;

}

/*
 * Routine to remove a directory
 */

int smbc_rmdir(const char *fname)
{
	struct smbc_server *srv;
	fstring server, share, user, password, workgroup;
	pstring path;

	if (!smbc_initialized) {

		errno = EINVAL;
		return -1;

	}

	if (!fname) {

		errno = EINVAL;
		return -1;

	}
  
	DEBUG(4, ("smbc_rmdir(%s)\n", fname));

	smbc_parse_path(fname, server, share, path, user, password); /*FIXME, errors*/

	if (user[0] == (char)0) pstrcpy(user, smbc_user);

	pstrcpy(workgroup, lp_workgroup());

	srv = smbc_server(server, share, workgroup, user, password);

	if (!srv) {

		return -1;  /* errno set by smbc_server */

	}

	/* if (strncmp(srv->cli.dev, "IPC", 3) == 0) {

	   mode = aDIR | aRONLY;

	   }
	   else if (strncmp(srv->cli.dev, "LPT", 3) == 0) {

	   if (strcmp(path, "\\") == 0) {

	   mode = aDIR | aRONLY;

	   }
	   else {

	   mode = aRONLY;
	   smbc_stat_printjob(srv, path, &size, &m_time);
	   c_time = a_time = m_time;
	   
	   }
	   else { */

	if (!cli_rmdir(&srv->cli, path)) {

		errno = smbc_errno(&srv->cli);

		if (errno == EACCES) {  /* Check if the dir empty or not */

			pstring lpath; /* Local storage to avoid buffer overflows */

			smbc_rmdir_dirempty = True;  /* Make this so ... */

			pstrcpy(lpath, path);
			pstrcat(lpath, "\\*");

			if (cli_list(&srv->cli, lpath, aDIR | aSYSTEM | aHIDDEN, rmdir_list_fn,
				     NULL) < 0) {

				/* Fix errno to ignore latest error ... */

				DEBUG(5, ("smbc_rmdir: cli_list returned an error: %d\n", 
					  smbc_errno(&srv->cli)));
				errno = EACCES;

			}

			if (smbc_rmdir_dirempty)
				errno = EACCES;
			else
				errno = ENOTEMPTY;

		}

		return -1;

	} 

	return 0;

}

/*
 * Routine to return the current directory position
 */

off_t smbc_telldir(int fd)
{
	struct smbc_file *fe;

	if (!smbc_initialized) {

		errno = EINVAL;
		return -1;

	}

	if (fd < smbc_start_fd || fd >= (smbc_start_fd + SMBC_MAX_FD)) {

		errno = EBADF;
		return -1;

	}

	fe = smbc_file_table[fd - smbc_start_fd];

	if (!fe) {

		errno = EBADF;
		return -1;

	}

	if (fe->file != False) { /* FIXME, should be dir, perhaps */

		errno = ENOTDIR;
		return -1;

	}

	return (off_t) fe->dir_next;

}

/*
 * A routine to run down the list and see if the entry is OK
 */

struct smbc_dir_list *smbc_check_dir_ent(struct smbc_dir_list *list, 
					 struct smbc_dirent *dirent)
{

	/* Run down the list looking for what we want */

	if (dirent) {

		struct smbc_dir_list *tmp = list;

		while (tmp) {

			if (tmp->dirent == dirent)
				return tmp;

			tmp = tmp->next;

		}

	}

	return NULL;  /* Not found, or an error */

}


/*
 * Routine to seek on a directory
 */

int smbc_lseekdir(int fd, off_t offset)
{
	struct smbc_file *fe;
	struct smbc_dirent *dirent = (struct smbc_dirent *)offset;
	struct smbc_dir_list *list_ent = NULL;

	if (!smbc_initialized) {

		errno = EINVAL;
		return -1;

	}

	if (fd < smbc_start_fd || fd >= (smbc_start_fd + SMBC_MAX_FD)) {

		errno = EBADF;
		return -1;

	}

	fe = smbc_file_table[fd - smbc_start_fd];

	if (!fe) {

		errno = EBADF;
		return -1;

	}

	if (fe->file != False) { /* FIXME, should be dir, perhaps */

		errno = ENOTDIR;
		return -1;

	}

	/* Now, check what we were passed and see if it is OK ... */

	if (dirent == NULL) {  /* Seek to the begining of the list */

		fe->dir_next = fe->dir_list;
		return 0;

	}

	/* Now, run down the list and make sure that the entry is OK       */
	/* This may need to be changed if we change the format of the list */

	if ((list_ent = smbc_check_dir_ent(fe->dir_list, dirent)) == NULL) {

		errno = EINVAL;   /* Bad entry */
		return -1;

	}

	fe->dir_next = list_ent;

	return 0; 

}

/*
 * Routine to fstat a dir
 */

int smbc_fstatdir(int fd, struct stat *st)
{

	if (!smbc_initialized) {

		errno = EINVAL;
		return -1;

	}

	/* No code yet ... */

	return 0;

}

/*
 * Routine to print a file on a remote server ...
 *
 * We open the file, which we assume to be on a remote server, and then
 * copy it to a print file on the share specified by printq.
 */

int smbc_print_file(const char *fname, const char *printq)
{
	int fid1, fid2, bytes, saverr, tot_bytes = 0;
	char buf[4096];

	if (!smbc_initialized) {

		errno = EINVAL;
		return -1;

	}

	if (!fname && !printq) {

		errno = EINVAL;
		return -1;

	}

	/* Try to open the file for reading ... */

	if ((fid1 = smbc_open(fname, O_RDONLY, 0666)) < 0) {
		
		DEBUG(3, ("Error, fname=%s, errno=%i\n", fname, errno));
		return -1;  /* smbc_open sets errno */
		
	}

	/* Now, try to open the printer file for writing */

	if ((fid2 = smbc_open_print_job(printq)) < 0) {

		saverr = errno;  /* Save errno */
		smbc_close(fid1);
		errno = saverr;
		return -1;

	}

	while ((bytes = smbc_read(fid1, buf, sizeof(buf))) > 0) {

		tot_bytes += bytes;

		if ((smbc_write(fid2, buf, bytes)) < 0) {

			saverr = errno;
			smbc_close(fid1);
			smbc_close(fid2);
			errno = saverr;

		}

	}

	saverr = errno;

	smbc_close(fid1);  /* We have to close these anyway */
	smbc_close(fid2);

	if (bytes < 0) {

		errno = saverr;
		return -1;

	}

	return tot_bytes;

}

/*
 * Open a print file to be written to by other calls
 */

int smbc_open_print_job(const char *fname)
{
	fstring server, share, user, password;
	pstring path;
	
	if (!smbc_initialized) {

		errno = EINVAL;
		return -1;
    
	}

	if (!fname) {

		errno = EINVAL;
		return -1;

	}
  
	DEBUG(4, ("smbc_open_print_job(%s)\n", fname));

	smbc_parse_path(fname, server, share, path, user, password); /*FIXME, errors*/

	/* What if the path is empty, or the file exists? */

	return smbc_open(fname, O_WRONLY, 666);

}

/*
 * Routine to list print jobs on a printer share ...
 */

int smbc_list_print_jobs(const char *fname, void (*fn)(struct print_job_info *))
{
	struct smbc_server *srv;
	fstring server, share, user, password, workgroup;
	pstring path;

	if (!smbc_initialized) {

		errno = EINVAL;
		return -1;

	}

	if (!fname) {
		
		errno = EINVAL;
		return -1;

	}
  
	DEBUG(4, ("smbc_list_print_jobs(%s)\n", fname));

	smbc_parse_path(fname, server, share, path, user, password); /*FIXME, errors*/

	if (user[0] == (char)0) pstrcpy(user, smbc_user);
	
	pstrcpy(workgroup, lp_workgroup());

	srv = smbc_server(server, share, workgroup, user, password);

	if (!srv) {

		return -1;  /* errno set by smbc_server */

	}

	if (cli_print_queue(&srv->cli, fn) < 0) {

		errno = smbc_errno(&srv->cli);
		return -1;

	}
	
	return 0;

}

/*
 * Delete a print job from a remote printer share
 */

int smbc_unlink_print_job(const char *fname, int id)
{
	struct smbc_server *srv;
	fstring server, share, user, password, workgroup;
	pstring path;
	int err;

	if (!smbc_initialized) {

		errno = EINVAL;
		return -1;

	}

	if (!fname) {

		errno = EINVAL;
		return -1;

	}
  
	DEBUG(4, ("smbc_unlink_print_job(%s)\n", fname));

	smbc_parse_path(fname, server, share, path, user, password); /*FIXME, errors*/

	if (user[0] == (char)0) pstrcpy(user, smbc_user);

	pstrcpy(workgroup, lp_workgroup());

	srv = smbc_server(server, share, workgroup, user, password);

	if (!srv) {

		return -1;  /* errno set by smbc_server */

	}

	if ((err = cli_printjob_del(&srv->cli, id)) != 0) {

		if (err < 0)
			errno = smbc_errno(&srv->cli);
		else if (err == ERRnosuchprintjob)
			errno = EINVAL;
		return -1;

	}

	return 0;

}