drat.

on Linux 2.0 libc detects the lack of getdents in the kernel and used
opendir() etc. so we need to implement those ...

it would be needed for a port to others OSes anyway I suppose.
(This used to be commit e3fd861590dd27cc643c2d8d0cb5a5651c84d9ac)

7 files changed, 261 insertions, 6 deletions

diff --git a/source3/smbwrapper/closedir.c b/source3/smbwrapper/closedir.c
new file mode 100644
index 0000000000..8e487abe47
--- /dev/null
+++ b/source3/smbwrapper/closedir.c
@@ -0,0 +1,36 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 2.0
+   SMB wrapper functions
+   Copyright (C) Andrew Tridgell 1998
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+
+#include "wrapper.h"
+
+#ifdef linux
+__asm__(".globl __closedir; __closedir = closedir");
+#endif
+
+ int closedir(DIR *dir)
+{
+	if (smbw_dirp(dir)) {
+		return smbw_closedir(dir);
+	}
+
+	return real_closedir(dir);
+}
diff --git a/source3/smbwrapper/opendir.c b/source3/smbwrapper/opendir.c
new file mode 100644
index 0000000000..2dfb3dbf21
--- /dev/null
+++ b/source3/smbwrapper/opendir.c
@@ -0,0 +1,36 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 2.0
+   SMB wrapper functions
+   Copyright (C) Andrew Tridgell 1998
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+
+#include "wrapper.h"
+
+#ifdef linux
+__asm__(".globl __opendir; __opendir = opendir");
+#endif
+
+ DIR *opendir(const char *name)
+{
+	if (smbw_path(name)) {
+		return smbw_opendir(name);
+	}
+
+	return real_opendir(name);
+}
diff --git a/source3/smbwrapper/readdir.c b/source3/smbwrapper/readdir.c
new file mode 100644
index 0000000000..f232a2609e
--- /dev/null
+++ b/source3/smbwrapper/readdir.c
@@ -0,0 +1,36 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 2.0
+   SMB wrapper functions
+   Copyright (C) Andrew Tridgell 1998
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+
+#include "wrapper.h"
+
+#ifdef linux
+__asm__(".globl __readdir; __readdir = readdir");
+#endif
+
+ struct dirent *readdir(DIR *dir)
+{
+	if (smbw_dirp(dir)) {
+		return smbw_readdir(dir);
+	}
+
+	return real_readdir(dir);
+}
diff --git a/source3/smbwrapper/realcalls.h b/source3/smbwrapper/realcalls.h
index 53f110fe4a..a5eb046962 100644
--- a/source3/smbwrapper/realcalls.h
+++ b/source3/smbwrapper/realcalls.h
@@ -21,9 +21,14 @@
 
 #ifdef linux
 struct dirent *__libc_readdir(DIR * dir);
-#define real_readdir(dir)		(__libc_readdir(dirp))
+#define real_readdir(dir)		(__libc_readdir(dir))
+#define real_opendir(fn)            	(__libc_opendir(fn))
+#define real_telldir(dir)            	(__libc_telldir(dir))
+#define real_closedir(dir)            	(__libc_closedir(dir))
+#define real_seekdir(dir, ofs)          (__libc_seekdir(dir, ofs))
 #else
 #define real_readdir(dirp)		((struct dirent *)syscall(SYS_readdir,(dirp)))
+#define real_opendir(fn)		((DIR *)syscall(SYS_opendir,(fn)))
 /* if needed define SYS_readdir so that readdir gets compiled */
 #endif
 
diff --git a/source3/smbwrapper/seekdir.c b/source3/smbwrapper/seekdir.c
new file mode 100644
index 0000000000..b30b8b899c
--- /dev/null
+++ b/source3/smbwrapper/seekdir.c
@@ -0,0 +1,37 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 2.0
+   SMB wrapper functions
+   Copyright (C) Andrew Tridgell 1998
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+
+#include "wrapper.h"
+
+#ifdef linux
+__asm__(".globl __seekdir; __seekdir = seekdir");
+#endif
+
+ void seekdir(DIR *dir, off_t offset)
+{
+	if (smbw_dirp(dir)) {
+		smbw_seekdir(dir, offset);
+		return;
+	}
+
+	real_seekdir(dir, offset);
+}
diff --git a/source3/smbwrapper/smbw.c b/source3/smbwrapper/smbw.c
index 11d680befa..973f667068 100644
--- a/source3/smbwrapper/smbw.c
+++ b/source3/smbwrapper/smbw.c
@@ -497,6 +497,19 @@ struct smbw_dir *smbw_dir(int fd)
 }
 
 /***************************************************** 
+check if a DIR* is one of ours
+*******************************************************/
+BOOL smbw_dirp(struct smbw_dir *d)
+{
+	struct smbw_dir *dir;
+
+	for (dir=smbw_dirs;dir;dir=dir->next) {
+		if (dir == d) return True;
+	}
+	return False;
+}
+
+/***************************************************** 
 setup basic info in a stat structure
 *******************************************************/
 void smbw_setup_stat(struct stat *st, char *fname, size_t size, int mode)
@@ -596,7 +609,7 @@ void smbw_share_add(const char *share, uint32 type, const char *comment)
 /***************************************************** 
 open a directory on the server
 *******************************************************/
-int smbw_dir_open(const char *fname, int flags)
+int smbw_dir_open(const char *fname)
 {
 	fstring server, share;
 	pstring path;
@@ -722,7 +735,7 @@ int smbw_open(const char *fname, int flags, mode_t mode)
 	}
 	if (fd == -1) {
 		/* it might be a directory. Maybe we should use chkpath? */
-		fd = smbw_dir_open(fname, flags);
+		fd = smbw_dir_open(fname);
 		smbw_busy--;
 		return fd;
 	}
@@ -1068,9 +1081,7 @@ int smbw_getdents(unsigned int fd, struct dirent *dirp, int count)
 	while (count>=sizeof(*dirp) && (dir->offset < dir->count)) {
 		dirp->d_off = (dir->offset+1)*sizeof(*dirp);
 		dirp->d_reclen = sizeof(*dirp);
-		/* what's going on with the -1 here? maybe d_type
-                   isn't really there? */
-		safe_strcpy(&dirp->d_name[-1], dir->list[dir->offset].name, 
+		safe_strcpy(&dirp->d_name[0], dir->list[dir->offset].name, 
 			    sizeof(dirp->d_name)-1);
 		dirp->d_ino = smbw_inode(dir->list[dir->offset].name);
 		dir->offset++;
@@ -1661,3 +1672,61 @@ int smbw_fchdir(unsigned int fd)
 	
 	return chdir(dir->path);
 }
+
+/***************************************************** 
+open a directory on the server
+*******************************************************/
+DIR *smbw_opendir(const char *fname)
+{
+	int fd;
+
+	smbw_busy++;
+
+	fd = smbw_dir_open(fname);
+
+	if (fd == -1) {
+		smbw_busy--;
+		return NULL;
+	}
+
+	smbw_busy--;
+
+	return (DIR *)smbw_dir(fd);
+}
+
+/***************************************************** 
+read one entry from a directory
+*******************************************************/
+struct dirent *smbw_readdir(struct smbw_dir *d)
+{
+	static struct dirent de;
+
+	if (smbw_getdents(d->fd, &de, sizeof(struct dirent)) > 0) 
+		return &de;
+
+	return NULL;
+}
+
+/***************************************************** 
+close a DIR*
+*******************************************************/
+int smbw_closedir(struct smbw_dir *d)
+{
+	return smbw_close(d->fd);
+}
+
+/***************************************************** 
+seek in a directory
+*******************************************************/
+void smbw_seekdir(struct smbw_dir *d, off_t offset)
+{
+	smbw_dir_lseek(d->fd,offset, SEEK_SET);
+}
+
+/***************************************************** 
+current loc in a directory
+*******************************************************/
+off_t smbw_telldir(struct smbw_dir *d)
+{
+	return smbw_dir_lseek(d->fd,0,SEEK_CUR);
+}
diff --git a/source3/smbwrapper/telldir.c b/source3/smbwrapper/telldir.c
new file mode 100644
index 0000000000..d8bd3572a2
--- /dev/null
+++ b/source3/smbwrapper/telldir.c
@@ -0,0 +1,36 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 2.0
+   SMB wrapper functions
+   Copyright (C) Andrew Tridgell 1998
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+
+#include "wrapper.h"
+
+#ifdef linux
+__asm__(".globl __telldir; __telldir = telldir");
+#endif
+
+ off_t telldir(DIR *dir)
+{
+	if (smbw_dirp(dir)) {
+		return smbw_telldir(dir);
+	}
+
+	return real_telldir(dir);
+}