added basic chmod(), chown() and utime() support (not fully

implemented).

this is enough to be able to edit files using emacs on the smbwrapper
filesystem
(This used to be commit e5c3f36ef2e8fc0195d70b2f5db7d88d9ae4507a)

6 files changed, 255 insertions, 3 deletions

diff --git a/source3/smbwrapper/chmod.c b/source3/smbwrapper/chmod.c
new file mode 100644
index 0000000000..50d2404a68
--- /dev/null
+++ b/source3/smbwrapper/chmod.c
@@ -0,0 +1,32 @@
+/* 
+   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"
+
+ int chmod(const char *name,mode_t mode)
+{
+	if (smbw_path(name)) {
+		return smbw_chmod(name, mode);
+	}
+
+	return real_chmod(name, mode);
+}
+
diff --git a/source3/smbwrapper/chown.c b/source3/smbwrapper/chown.c
new file mode 100644
index 0000000000..31621d151d
--- /dev/null
+++ b/source3/smbwrapper/chown.c
@@ -0,0 +1,32 @@
+/* 
+   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"
+
+ int chown(const char *name,uid_t owner, gid_t group)
+{
+	if (smbw_path(name)) {
+		return smbw_chown(name, owner, group);
+	}
+
+	return real_chown(name, owner, group);
+}
+
diff --git a/source3/smbwrapper/smbw.c b/source3/smbwrapper/smbw.c
index dc253d7c32..3ee48007d5 100644
--- a/source3/smbwrapper/smbw.c
+++ b/source3/smbwrapper/smbw.c
@@ -225,6 +225,8 @@ char *smbw_parse_path(const char *fname, char *server, char *share, char *path)
 	char *p, *p2;
 	int len;
 
+	*server = *share = *path = 0;
+
 	if (fname[0] == '/') {
 		pstrcpy(s, fname);
 	} else {
@@ -299,7 +301,11 @@ BOOL smbw_path(const char *path)
 	fstring server, share;
 	pstring s;
 	char *cwd;
-	int l;
+	int l=strlen(SMBW_PREFIX)-1;
+
+	if (path[0] == '/' && strncmp(path,SMBW_PREFIX,l)) {
+		return False;
+	}
 
 	if (smbw_busy) return False;
 
@@ -309,8 +315,6 @@ BOOL smbw_path(const char *path)
 
 	cwd = smbw_parse_path(path, server, share, s);
 
-	l = strlen(SMBW_PREFIX)-1;
-
 	if (strncmp(cwd,SMBW_PREFIX,l) == 0 &&
 	    (cwd[l] == '/' || cwd[l] == 0)) {
 		return True;
@@ -430,6 +434,15 @@ struct smbw_server *smbw_server(char *server, char *share)
 		goto failed;
 	}
 
+	/* some programs play with file descriptors fairly intimately. We
+	   try to get out of the way by duping to a high fd number */
+	if (fcntl(SMBW_CLI_FD, F_GETFD) && errno == EBADF) {
+		if (dup2(srv->cli.fd, SMBW_CLI_FD) == SMBW_CLI_FD) {
+			close(srv->cli.fd);
+			srv->cli.fd = SMBW_CLI_FD;
+		}
+	}
+
 	DLIST_ADD(smbw_srvs, srv);
 
 	return srv;
@@ -1250,3 +1263,145 @@ int smbw_rename(const char *oldname, const char *newname)
 	smbw_busy--;
 	return -1;
 }
+
+
+/***************************************************** 
+a wrapper for utime()
+*******************************************************/
+int smbw_utime(const char *fname, struct utimbuf *buf)
+{
+	struct smbw_server *srv;
+	fstring server, share;
+	pstring path;
+	uint32 mode;
+
+	DEBUG(4,("%s (%s)\n", __FUNCTION__, fname));
+
+	if (!fname) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	smbw_init();
+
+	smbw_busy++;
+
+	/* work out what server they are after */
+	smbw_parse_path(fname, server, share, path);
+
+	/* get a connection to the server */
+	srv = smbw_server(server, share);
+	if (!srv) {
+		/* smbw_server sets errno */
+		goto failed;
+	}
+
+	if (!cli_getatr(&srv->cli, path, &mode, NULL, NULL)) {
+		errno = smbw_errno(&srv->cli);
+		goto failed;
+	}
+
+	if (!cli_setatr(&srv->cli, path, mode, buf->modtime)) {
+		errno = smbw_errno(&srv->cli);
+		goto failed;
+	}
+
+	smbw_busy--;
+	return 0;
+
+ failed:
+	smbw_busy--;
+	return -1;
+}
+
+/***************************************************** 
+a wrapper for chown()
+*******************************************************/
+int smbw_chown(const char *fname, uid_t owner, gid_t group)
+{
+	struct smbw_server *srv;
+	fstring server, share;
+	pstring path;
+	uint32 mode;
+
+	DEBUG(4,("%s (%s)\n", __FUNCTION__, fname));
+
+	if (!fname) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	smbw_init();
+
+	smbw_busy++;
+
+	/* work out what server they are after */
+	smbw_parse_path(fname, server, share, path);
+
+	/* get a connection to the server */
+	srv = smbw_server(server, share);
+	if (!srv) {
+		/* smbw_server sets errno */
+		goto failed;
+	}
+
+	if (!cli_getatr(&srv->cli, path, &mode, NULL, NULL)) {
+		errno = smbw_errno(&srv->cli);
+		goto failed;
+	}
+	
+	/* assume success */
+
+	smbw_busy--;
+	return 0;
+
+ failed:
+	smbw_busy--;
+	return -1;
+}
+
+/***************************************************** 
+a wrapper for chmod()
+*******************************************************/
+int smbw_chmod(const char *fname, mode_t newmode)
+{
+	struct smbw_server *srv;
+	fstring server, share;
+	pstring path;
+	uint32 mode;
+
+	DEBUG(4,("%s (%s)\n", __FUNCTION__, fname));
+
+	if (!fname) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	smbw_init();
+
+	smbw_busy++;
+
+	/* work out what server they are after */
+	smbw_parse_path(fname, server, share, path);
+
+	/* get a connection to the server */
+	srv = smbw_server(server, share);
+	if (!srv) {
+		/* smbw_server sets errno */
+		goto failed;
+	}
+
+	if (!cli_getatr(&srv->cli, path, &mode, NULL, NULL)) {
+		errno = smbw_errno(&srv->cli);
+		goto failed;
+	}
+	
+	/* assume success for the moment - need to add attribute mapping */
+
+	smbw_busy--;
+	return 0;
+
+ failed:
+	smbw_busy--;
+	return -1;
+}
diff --git a/source3/smbwrapper/smbw.h b/source3/smbwrapper/smbw.h
index fe29140876..60a339181b 100644
--- a/source3/smbwrapper/smbw.h
+++ b/source3/smbwrapper/smbw.h
@@ -22,6 +22,7 @@
 #define SMBW_PREFIX "/smb/"
 
 #define SMBW_FD_OFFSET 1024
+#define SMBW_CLI_FD 1023
 #define SMBW_MAX_OPEN 2048
 
 #define SMBW_FILE_MODE (S_IFREG | 0644)
diff --git a/source3/smbwrapper/utime.c b/source3/smbwrapper/utime.c
new file mode 100644
index 0000000000..9a269aa942
--- /dev/null
+++ b/source3/smbwrapper/utime.c
@@ -0,0 +1,31 @@
+/* 
+   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"
+
+ int utime(const char *name,struct timeval *tvp)
+{
+	if (smbw_path(name)) {
+		return smbw_utime(name, tvp);
+	}
+
+	return real_utime(name, tvp);
+}
diff --git a/source3/smbwrapper/wrapper.h b/source3/smbwrapper/wrapper.h
index d2f52dbd6c..c891cd948f 100644
--- a/source3/smbwrapper/wrapper.h
+++ b/source3/smbwrapper/wrapper.h
@@ -6,5 +6,6 @@
 #include <errno.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <sys/time.h>
 #include "kernel_stat.h"
 #include "realcalls.h"