Initial import
[samba] / examples / libsmbclient / smbwrapper / smbw.c
diff --git a/examples/libsmbclient/smbwrapper/smbw.c b/examples/libsmbclient/smbwrapper/smbw.c
new file mode 100644 (file)
index 0000000..a44f2f4
--- /dev/null
@@ -0,0 +1,929 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 2.0
+   SMB wrapper functions
+   Copyright (C) Andrew Tridgell 1998
+   Copyright (C) Derrell Lipman 2003-2005
+   
+   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 <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdarg.h>
+#include <assert.h>
+#include "smbw.h"
+#include "bsd-strlfunc.h"
+
+typedef enum StartupType
+{
+        StartupType_Fake,
+        StartupType_Real
+} StartupType;
+
+int smbw_fd_map[__FD_SETSIZE];
+int smbw_ref_count[__FD_SETSIZE];
+char smbw_cwd[PATH_MAX];
+char smbw_prefix[] = SMBW_PREFIX;
+
+/* needs to be here because of dumb include files on some systems */
+int creat_bits = O_WRONLY|O_CREAT|O_TRUNC;
+
+int smbw_initialized = 0;
+
+static int debug_level = 0;
+
+static SMBCCTX *smbw_ctx;
+
+extern int smbw_debug;
+
+
+/*****************************************************
+smbw_ref -- manipulate reference counts
+******************************************************/
+int smbw_ref(int client_fd, Ref_Count_Type type, ...)
+{
+        va_list ap;
+
+        /* client id values begin at SMBC_BASE_FC. */
+        client_fd -= SMBC_BASE_FD;
+
+        va_start(ap, type);
+        switch(type)
+        {
+        case SMBW_RCT_Increment:
+                return ++smbw_ref_count[client_fd];
+
+        case SMBW_RCT_Decrement:
+                return --smbw_ref_count[client_fd];
+
+        case SMBW_RCT_Get:
+                return smbw_ref_count[client_fd];
+
+        case SMBW_RCT_Set:
+                return (smbw_ref_count[client_fd] = va_arg(ap, int));
+        }
+        va_end(ap);
+
+        /* never gets here */
+        return -1;
+}
+
+
+/*
+ * Return a username and password given a server and share name
+ *
+ * Returns 0 upon success;
+ * non-zero otherwise, and errno is set to indicate the error.
+ */
+static void get_envvar_auth_data(const char *srv, 
+                                 const char *shr,
+                                 char *wg, int wglen, 
+                                 char *un, int unlen,
+                                 char *pw, int pwlen)
+{
+        char *u;
+        char *p;
+        char *w;
+
+       /* Fall back to environment variables */
+
+       w = getenv("WORKGROUP");
+       if (w == NULL) w = "";
+
+       u = getenv("USER");
+       if (u == NULL) u = "";
+
+       p = getenv("PASSWORD");
+       if (p == NULL) p = "";
+
+        smbw_strlcpy(wg, w, wglen);
+        smbw_strlcpy(un, u, unlen);
+        smbw_strlcpy(pw, p, pwlen);
+}
+
+static smbc_get_auth_data_fn get_auth_data_fn = get_envvar_auth_data;
+
+/*****************************************************
+set the get auth data function
+******************************************************/
+void smbw_set_auth_data_fn(smbc_get_auth_data_fn fn)
+{
+       get_auth_data_fn = fn;
+}
+
+
+/*****************************************************
+ensure that all connections are terminated upon exit
+******************************************************/
+static void do_shutdown(void)
+{
+        if (smbw_ctx != NULL) {
+                smbc_free_context(smbw_ctx, 1);
+        }
+}
+
+
+/***************************************************** 
+initialise structures
+*******************************************************/
+static void do_init(StartupType startupType)
+{
+        int i;
+        char *p;
+
+       smbw_initialized = 1;   /* this must be first to avoid recursion! */
+
+        smbw_ctx = NULL;        /* don't free context until it's established */
+
+        /* initially, no file descriptors are mapped */
+        for (i = 0; i < __FD_SETSIZE; i++) {
+                smbw_fd_map[i] = -1;
+                smbw_ref_count[i] = 0;
+        }
+
+        /* See if we've been told to start in a particular directory */
+        if ((p=getenv("SMBW_DIR")) != NULL) {
+                smbw_strlcpy(smbw_cwd, p, PATH_MAX);
+
+                /* we don't want the old directory to be busy */
+                (* smbw_libc.chdir)("/");
+                
+        } else {
+                *smbw_cwd = '\0';
+        }
+
+       if ((p=getenv("DEBUG"))) {
+               debug_level = atoi(p);
+       }
+
+        if ((smbw_ctx = smbc_new_context()) == NULL) {
+                fprintf(stderr, "Could not create a context.\n");
+                exit(1);
+        }
+        
+        smbw_ctx->debug = debug_level;
+        smbw_ctx->callbacks.auth_fn = get_auth_data_fn;
+        smbw_ctx->options.browse_max_lmb_count = 0;
+        smbw_ctx->options.urlencode_readdir_entries = 1;
+        smbw_ctx->options.one_share_per_server = 1;
+        
+        if (smbc_init_context(smbw_ctx) == NULL) {
+                fprintf(stderr, "Could not initialize context.\n");
+                exit(1);
+        }
+                
+        smbc_set_context(smbw_ctx);
+
+        /* if not real startup, exit handler has already been established */
+        if (startupType == StartupType_Real) {
+            atexit(do_shutdown);
+        }
+}
+
+/***************************************************** 
+initialise structures, real start up vs a fork()
+*******************************************************/
+void smbw_init(void)
+{
+    do_init(StartupType_Real);
+}
+
+
+/***************************************************** 
+determine if a file descriptor is a smb one
+*******************************************************/
+int smbw_fd(int smbw_fd)
+{
+        SMBW_INIT();
+
+        return (smbw_fd >= 0 &&
+                smbw_fd < __FD_SETSIZE &&
+                smbw_fd_map[smbw_fd] >= SMBC_BASE_FD); /* minimum smbc_ fd */
+}
+
+
+/***************************************************** 
+determine if a path is a smb one
+*******************************************************/
+int smbw_path(const char *name)
+{
+        int len;
+        int ret;
+        int saved_errno;
+
+        saved_errno = errno;
+
+        SMBW_INIT();
+
+        len = strlen(smbw_prefix);
+
+        ret = ((strncmp(name, smbw_prefix, len) == 0 &&
+                (name[len] == '\0' || name[len] == '/')) ||
+               (*name != '/' && *smbw_cwd != '\0'));
+
+        errno = saved_errno;
+        return ret;
+}
+
+
+/***************************************************** 
+remove redundent stuff from a filename
+*******************************************************/
+void smbw_clean_fname(char *name)
+{
+       char *p, *p2;
+       int l;
+       int modified = 1;
+
+       if (!name) return;
+
+        DEBUG(10, ("Clean [%s]...\n", name));
+
+       while (modified) {
+               modified = 0;
+
+               if ((p=strstr(name,"/./"))) {
+                       modified = 1;
+                       while (*p) {
+                               p[0] = p[2];
+                               p++;
+                       }
+                        DEBUG(10, ("\tclean 1 (/./) produced [%s]\n", name));
+               }
+
+               if ((p=strstr(name,"//"))) {
+                       modified = 1;
+                       while (*p) {
+                               p[0] = p[1];
+                               p++;
+                       }
+                        DEBUG(10, ("\tclean 2 (//) produced [%s]\n", name));
+               }
+
+               if (strcmp(name,"/../")==0) {
+                       modified = 1;
+                       name[1] = 0;
+                        DEBUG(10,("\tclean 3 (^/../$) produced [%s]\n", name));
+               }
+
+               if ((p=strstr(name,"/../"))) {
+                       modified = 1;
+                       for (p2 = (p > name ? p-1 : p); p2 > name; p2--) {
+                               if (p2[0] == '/') break;
+                       }
+                        if (p2 > name) p2++;
+                       while (*p2) {
+                               p2[0] = p[3];
+                               p2++;
+                                p++;
+                       }
+                        DEBUG(10, ("\tclean 4 (/../) produced [%s]\n", name));
+               }
+
+               if (strcmp(name,"/..")==0) {
+                       modified = 1;
+                       name[1] = 0;
+                        DEBUG(10, ("\tclean 5 (^/..$) produced [%s]\n", name));
+               }
+
+               l = strlen(name);
+               p = l>=3?(name+l-3):name;
+               if (strcmp(p,"/..")==0) {
+                       modified = 1;
+                       for (p2=p-1;p2>name;p2--) {
+                               if (p2[0] == '/') break;
+                       }
+                       if (p2==name) {
+                               p[0] = '/';
+                               p[1] = 0;
+                       } else {
+                               p2[0] = 0;
+                       }
+                        DEBUG(10, ("\tclean 6 (/..) produced [%s]\n", name));
+               }
+
+               l = strlen(name);
+               p = l>=2?(name+l-2):name;
+               if (strcmp(p,"/.")==0) {
+                        modified = 1;
+                       if (p == name) {
+                               p[1] = 0;
+                       } else {
+                               p[0] = 0;
+                       }
+                        DEBUG(10, ("\tclean 7 (/.) produced [%s]\n", name));
+               }
+
+               if (strncmp(p=name,"./",2) == 0) {      
+                       modified = 1;
+                       do {
+                               p[0] = p[2];
+                       } while (*p++);
+                        DEBUG(10, ("\tclean 8 (^./) produced [%s]\n", name));
+               }
+
+               l = strlen(p=name);
+               if (l > 1 && p[l-1] == '/') {
+                       modified = 1;
+                       p[l-1] = 0;
+                        DEBUG(10, ("\tclean 9 (/) produced [%s]\n", name));
+               }
+       }
+}
+
+void smbw_fix_path(const char *src, char *dest)
+{
+        const char *p;
+        int len = strlen(smbw_prefix);
+
+        if (*src == '/') {
+                for (p = src + len; *p == '/'; p++)
+                        ;
+                snprintf(dest, PATH_MAX, "smb://%s", p);
+        } else {
+                snprintf(dest, PATH_MAX, "%s/%s", smbw_cwd, src);
+        }
+
+        smbw_clean_fname(dest + 5);
+
+        DEBUG(10, ("smbw_fix_path(%s) returning [%s]\n", src, dest));
+}
+
+
+
+/***************************************************** 
+a wrapper for open()
+*******************************************************/
+int smbw_open(const char *fname, int flags, mode_t mode)
+{
+        int client_fd;
+        int smbw_fd;
+       char path[PATH_MAX];
+
+       SMBW_INIT();
+
+       if (!fname) {
+               errno = EINVAL;
+               return -1;
+       }
+
+       smbw_fd = (smbw_libc.open)(SMBW_DUMMY, O_WRONLY, 0200);
+       if (smbw_fd == -1) {
+               errno = EMFILE;
+                return -1;
+       }
+
+        smbw_fix_path(fname, path);
+        if (flags == creat_bits) {
+                client_fd =  smbc_creat(path, mode);
+        } else {
+                client_fd = smbc_open(path, flags, mode);
+        }
+
+        if (client_fd < 0) {
+                (* smbw_libc.close)(smbw_fd);
+                return -1;
+        }
+
+        smbw_fd_map[smbw_fd] = client_fd;
+        smbw_ref(client_fd, SMBW_RCT_Increment);
+        return smbw_fd;
+}
+
+
+/***************************************************** 
+a wrapper for pread()
+
+there should really be an smbc_pread() to avoid the two
+lseek()s required in this kludge.
+*******************************************************/
+ssize_t smbw_pread(int smbw_fd, void *buf, size_t count, SMBW_OFF_T ofs)
+{
+        int client_fd;
+       ssize_t ret;
+        int saved_errno;
+        SMBW_OFF_T old_ofs;
+        
+        if (count == 0) {
+                return 0;
+        }
+
+        client_fd = smbw_fd_map[smbw_fd];
+
+        if ((old_ofs = smbc_lseek(client_fd, 0, SEEK_CUR)) < 0 ||
+            smbc_lseek(client_fd, ofs, SEEK_SET) < 0) {
+                return -1;
+        }
+
+        if ((ret = smbc_read(client_fd, buf, count)) < 0) {
+                saved_errno = errno;
+                (void) smbc_lseek(client_fd, old_ofs, SEEK_SET);
+                errno = saved_errno;
+                return -1;
+        }
+
+        return ret;
+}
+
+/***************************************************** 
+a wrapper for read()
+*******************************************************/
+ssize_t smbw_read(int smbw_fd, void *buf, size_t count)
+{
+        int client_fd;
+        
+        client_fd = smbw_fd_map[smbw_fd];
+
+        return smbc_read(client_fd, buf, count);
+}
+
+       
+
+/***************************************************** 
+a wrapper for write()
+*******************************************************/
+ssize_t smbw_write(int smbw_fd, void *buf, size_t count)
+{
+        int client_fd;
+
+        client_fd = smbw_fd_map[smbw_fd];
+
+        return smbc_write(client_fd, buf, count);
+}
+
+/***************************************************** 
+a wrapper for pwrite()
+*******************************************************/
+ssize_t smbw_pwrite(int smbw_fd, void *buf, size_t count, SMBW_OFF_T ofs)
+{
+        int saved_errno;
+        int client_fd;
+       ssize_t ret;
+        SMBW_OFF_T old_ofs;
+        
+        if (count == 0) {
+                return 0;
+        }
+
+        client_fd = smbw_fd_map[smbw_fd];
+
+        if ((old_ofs = smbc_lseek(client_fd, 0, SEEK_CUR)) < 0 ||
+            smbc_lseek(client_fd, ofs, SEEK_SET) < 0) {
+                return -1;
+        }
+
+        if ((ret = smbc_write(client_fd, buf, count)) < 0) {
+                saved_errno = errno;
+                (void) smbc_lseek(client_fd, old_ofs, SEEK_SET);
+                errno = saved_errno;
+                return -1;
+        }
+
+        return ret;
+}
+
+/***************************************************** 
+a wrapper for close()
+*******************************************************/
+int smbw_close(int smbw_fd)
+{
+        int client_fd;
+
+        client_fd = smbw_fd_map[smbw_fd];
+
+        if (smbw_ref(client_fd, SMBW_RCT_Decrement) > 0) {
+                return 0;
+        }
+        
+        (* smbw_libc.close)(smbw_fd);
+        smbw_fd_map[smbw_fd] = -1;
+        return smbc_close(client_fd);
+}
+
+
+/***************************************************** 
+a wrapper for fcntl()
+*******************************************************/
+int smbw_fcntl(int smbw_fd, int cmd, long arg)
+{
+       return 0;
+}
+
+
+/***************************************************** 
+a wrapper for access()
+*******************************************************/
+int smbw_access(const char *name, int mode)
+{
+       struct SMBW_stat st;
+
+        SMBW_INIT();
+
+       if (smbw_stat(name, &st)) return -1;
+
+       if (((mode & R_OK) && !(st.s_mode & S_IRUSR)) ||
+           ((mode & W_OK) && !(st.s_mode & S_IWUSR)) ||
+           ((mode & X_OK) && !(st.s_mode & S_IXUSR))) {
+               errno = EACCES;
+               return -1;
+       }
+       
+       return 0;
+}
+
+/***************************************************** 
+a wrapper for readlink() - needed for correct errno setting
+*******************************************************/
+int smbw_readlink(const char *fname, char *buf, size_t bufsize)
+{
+       struct SMBW_stat st;
+       int ret;
+
+        SMBW_INIT();
+
+       ret = smbw_stat(fname, &st);
+       if (ret != 0) {
+               return -1;
+       }
+       
+       /* it exists - say it isn't a link */
+       errno = EINVAL;
+       return -1;
+}
+
+
+/***************************************************** 
+a wrapper for unlink()
+*******************************************************/
+int smbw_unlink(const char *fname)
+{
+        char path[PATH_MAX];
+        
+        SMBW_INIT();
+
+        smbw_fix_path(fname, path);
+        return smbc_unlink(path);
+}
+
+
+/***************************************************** 
+a wrapper for rename()
+*******************************************************/
+int smbw_rename(const char *oldname, const char *newname)
+{
+        char path_old[PATH_MAX];
+        char path_new[PATH_MAX];
+
+        SMBW_INIT();
+
+        smbw_fix_path(oldname, path_old);
+        smbw_fix_path(newname, path_new);
+        return smbc_rename(path_old, path_new);
+}
+
+
+/***************************************************** 
+a wrapper for utimes
+*******************************************************/
+int smbw_utimes(const char *fname, void *buf)
+{
+        char path[PATH_MAX];
+
+        smbw_fix_path(fname, path);
+       return smbc_utimes(path, buf);
+}
+
+
+/***************************************************** 
+a wrapper for utime 
+*******************************************************/
+int smbw_utime(const char *fname, void *buf)
+{
+        char path[PATH_MAX];
+
+        smbw_fix_path(fname, path);
+        return smbc_utime(path, buf);
+}
+
+/***************************************************** 
+a wrapper for chown()
+*******************************************************/
+int smbw_chown(const char *fname, uid_t owner, gid_t group)
+{
+        /* always indiciate that this is not supported. */
+        errno = ENOTSUP;
+        return -1;
+}
+
+/***************************************************** 
+a wrapper for chmod()
+*******************************************************/
+int smbw_chmod(const char *fname, mode_t newmode)
+{
+        char path[PATH_MAX];
+
+        smbw_fix_path(fname, path);
+        return smbc_chmod(path, newmode);
+}
+
+
+/***************************************************** 
+a wrapper for lseek()
+*******************************************************/
+SMBW_OFF_T smbw_lseek(int smbw_fd,
+                      SMBW_OFF_T offset,
+                      int whence)
+{
+        int client_fd;
+        SMBW_OFF_T ret;
+        
+        client_fd = smbw_fd_map[smbw_fd];
+
+        ret = smbc_lseek(client_fd, offset, whence);
+        if (smbw_debug)
+        {
+                printf("smbw_lseek(%d/%d, 0x%llx) returned 0x%llx\n",
+                       smbw_fd, client_fd,
+                       (unsigned long long) offset,
+                       (unsigned long long) ret);
+        }
+        return ret;
+}
+
+/***************************************************** 
+a wrapper for dup()
+*******************************************************/
+int smbw_dup(int smbw_fd)
+{
+       int fd2;
+
+       fd2 = (smbw_libc.dup)(smbw_fd);
+       if (fd2 == -1) {
+                return -1;
+       }
+
+        smbw_fd_map[fd2] = smbw_fd_map[smbw_fd];
+        smbw_ref(smbw_fd_map[smbw_fd], SMBW_RCT_Increment);
+       return fd2;
+}
+
+
+/***************************************************** 
+a wrapper for dup2()
+*******************************************************/
+int smbw_dup2(int smbw_fd, int fd2)
+{
+       if ((* smbw_libc.dup2)(smbw_fd, fd2) != fd2) {
+                return -1;
+       }
+
+        smbw_fd_map[fd2] = smbw_fd_map[smbw_fd];
+        smbw_ref(smbw_fd_map[smbw_fd], SMBW_RCT_Increment);
+       return fd2;
+}
+
+
+/***************************************************** 
+when we fork we have to close all connections and files
+in the child
+*******************************************************/
+int smbw_fork(void)
+{
+        int i;
+       pid_t child_pid;
+       int p[2];
+       char c = 0;
+
+        SMBW_INIT();
+
+       if (pipe(p)) return (* smbw_libc.fork)();
+
+       child_pid = (* smbw_libc.fork)();
+
+       if (child_pid) {
+               /* block the parent for a moment until the sockets are
+                   closed */
+               (* smbw_libc.close)(p[1]);
+               (* smbw_libc.read)(p[0], &c, 1);
+               (* smbw_libc.close)(p[0]);
+               return child_pid;
+        }
+
+       (* smbw_libc.close)(p[0]);
+
+        /* close all server connections and locally-opened files */
+        for (i = 0; i < __FD_SETSIZE; i++) {
+                if (smbw_fd_map[i] > 0 &&
+                    smbw_ref(smbw_fd_map[i], SMBW_RCT_Get) > 0) {
+                        
+                        smbc_close(smbw_fd_map[i]);
+                        smbw_ref(smbw_fd_map[i], SMBW_RCT_Set, 0);
+                        (* smbw_libc.close)(i);
+                }
+
+                smbw_fd_map[i] = -1;
+        }
+
+       /* unblock the parent */
+       write(p[1], &c, 1);
+       (* smbw_libc.close)(p[1]);
+
+        /* specify directory to start in, if it's simulated smb */
+        if (*smbw_cwd != '\0') {
+                setenv("SMBW_DIR", smbw_cwd, 1);
+        } else {
+                unsetenv("SMBW_DIR");
+        }
+
+        /* Re-initialize this library for the child */
+        do_init(StartupType_Fake);
+
+       /* and continue in the child */
+       return 0;
+}
+
+int smbw_setxattr(const char *fname,
+                  const char *name,
+                  const void *value,
+                  size_t size,
+                  int flags)
+{
+        char path[PATH_MAX];
+
+        if (strcmp(name, "system.posix_acl_access") == 0)
+        {
+                name = "system.*";
+        }
+
+        smbw_fix_path(fname, path);
+        return smbc_setxattr(path, name, value, size, flags);
+}
+
+int smbw_lsetxattr(const char *fname,
+                   const char *name,
+                   const void *value,
+                   size_t size,
+                   int flags)
+{
+        char path[PATH_MAX];
+
+        if (strcmp(name, "system.posix_acl_access") == 0)
+        {
+                name = "system.*";
+        }
+
+        smbw_fix_path(fname, path);
+        return smbc_lsetxattr(path, name, value, size, flags);
+}
+
+int smbw_fsetxattr(int smbw_fd,
+                   const char *name,
+                   const void *value,
+                   size_t size,
+                   int flags)
+{
+        int client_fd;
+        
+        if (strcmp(name, "system.posix_acl_access") == 0)
+        {
+                name = "system.*";
+        }
+
+        client_fd = smbw_fd_map[smbw_fd];
+        return smbc_fsetxattr(client_fd, name, value, size, flags);
+}
+
+int smbw_getxattr(const char *fname,
+                  const char *name,
+                  const void *value,
+                  size_t size)
+{
+        char path[PATH_MAX];
+
+        if (strcmp(name, "system.posix_acl_access") == 0)
+        {
+                name = "system.*";
+        }
+
+        smbw_fix_path(fname, path);
+
+        return smbc_getxattr(path, name, value, size);
+}
+
+int smbw_lgetxattr(const char *fname,
+                   const char *name,
+                   const void *value,
+                   size_t size)
+{
+        char path[PATH_MAX];
+
+        if (strcmp(name, "system.posix_acl_access") == 0)
+        {
+                name = "system.*";
+        }
+
+        smbw_fix_path(fname, path);
+        return smbc_lgetxattr(path, name, value, size);
+}
+
+int smbw_fgetxattr(int smbw_fd,
+                   const char *name,
+                   const void *value,
+                   size_t size)
+{
+        int client_fd;
+        
+        if (strcmp(name, "system.posix_acl_access") == 0)
+        {
+                name = "system.*";
+        }
+
+        client_fd = smbw_fd_map[smbw_fd];
+        return smbc_fgetxattr(client_fd, name, value, size);
+}
+
+int smbw_removexattr(const char *fname,
+                     const char *name)
+{
+        char path[PATH_MAX];
+
+        if (strcmp(name, "system.posix_acl_access") == 0)
+        {
+                name = "system.*";
+        }
+
+        smbw_fix_path(fname, path);
+        return smbc_removexattr(path, name);
+}
+
+int smbw_lremovexattr(const char *fname,
+                      const char *name)
+{
+        char path[PATH_MAX];
+
+        if (strcmp(name, "system.posix_acl_access") == 0)
+        {
+                name = "system.*";
+        }
+
+        smbw_fix_path(fname, path);
+        return smbc_lremovexattr(path, name);
+}
+
+int smbw_fremovexattr(int smbw_fd,
+                      const char *name)
+{
+        int client_fd;
+        
+        if (strcmp(name, "system.posix_acl_access") == 0)
+        {
+                name = "system.*";
+        }
+
+        client_fd = smbw_fd_map[smbw_fd];
+        return smbc_fremovexattr(client_fd, name);
+}
+
+int smbw_listxattr(const char *fname,
+                   char *list,
+                   size_t size)
+{
+        char path[PATH_MAX];
+
+        smbw_fix_path(fname, path);
+        return smbc_listxattr(path, list, size);
+}
+
+int smbw_llistxattr(const char *fname,
+                    char *list,
+                    size_t size)
+{
+        char path[PATH_MAX];
+
+        smbw_fix_path(fname, path);
+        return smbc_llistxattr(path, list, size);
+}
+
+int smbw_flistxattr(int smbw_fd,
+                    char *list,
+                    size_t size)
+{
+        int client_fd;
+        
+        client_fd = smbw_fd_map[smbw_fd];
+        return smbc_flistxattr(client_fd, list, size);
+}