wmi-1.3.16 from opsview.com

Samba/source/ntvfs/cifs_posix_cli/README

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+This module (ntvfs 'cifsposix') provides a simple posix backend which
+provides better semantics for clients which implement the cifs unix
+extensions or the newer cifs posix extensions
+
+WARNING: All file access is done as user 'root'!!!
+	 Only use this module for testing, with only test data!!! 
+
+For activating this module use:
+
+[testshare]
+	path = /tmp/testshare
+	nfvfs handler = cifsposix 

Samba/source/ntvfs/cifs_posix_cli/cifsposix.h

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+
+struct cifspsx_private {
+	struct ntvfs_module_context *ntvfs;
+
+	/* the base directory */
+	char *connectpath;
+
+	/* a linked list of open searches */
+	struct search_state *search;
+
+	/* next available search handle */
+	uint16_t next_search_handle;
+
+	struct cifspsx_file *open_files;
+};
+
+struct cifspsx_dir {
+	unsigned int count;
+	char *unix_dir;
+	struct cifspsx_dirfile {
+		char *name;
+		struct stat st;
+	} *files;
+};
+
+struct cifspsx_file {
+	struct cifspsx_file *next, *prev;
+	int fd;
+	struct ntvfs_handle *handle;
+	char *name;
+};
+
+struct search_state {
+	struct search_state *next, *prev;
+	uint16_t handle;
+	unsigned int current_index;
+	struct cifspsx_dir *dir;
+};

Samba/source/ntvfs/cifs_posix_cli/svfs_util.c

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+/* 
+   Unix SMB/CIFS implementation.
+
+   simpler Samba VFS filesystem backend for clients which support the
+   CIFS Unix Extensions or newer CIFS POSIX protocol extensions
+
+
+   Copyright (C) Andrew Tridgell 2003
+   Copyright (C) Steve French 2006
+
+   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.
+*/
+/*
+  utility functions for cifs posix backend
+*/
+
+#include "includes.h"
+#include "system/filesys.h"
+#include "cifsposix.h"
+#include "system/time.h"
+#include "system/dir.h"
+#include "ntvfs/ntvfs.h"
+
+/*
+  convert a windows path to a unix path - don't do any manging or case sensitive handling
+*/
+char *cifspsx_unix_path(struct ntvfs_module_context *ntvfs,
+		     struct ntvfs_request *req, const char *name)
+{
+	struct cifspsx_private *private = ntvfs->private_data;
+	char *ret;
+
+	if (*name != '\\') {
+		ret = talloc_asprintf(req, "%s/%s", private->connectpath, name);
+	} else {
+		ret = talloc_asprintf(req, "%s%s", private->connectpath, name);
+	}
+	all_string_sub(ret, "\\", "/", 0);
+
+	strlower(ret + strlen(private->connectpath));
+
+	return ret;
+}
+
+
+/*
+  read a directory and find all matching file names and stat info
+  returned names are separate unix and DOS names. The returned names
+  are relative to the directory
+*/
+struct cifspsx_dir *cifspsx_list_unix(TALLOC_CTX *mem_ctx, struct ntvfs_request *req, const char *unix_path)
+{
+	char *p, *mask;
+	struct cifspsx_dir *dir;
+	DIR *odir;
+	struct dirent *dent;
+	uint_t allocated = 0;
+	char *low_mask;
+
+	dir = talloc(mem_ctx, struct cifspsx_dir);
+	if (!dir) { return NULL; }
+
+	dir->count = 0;
+	dir->files = 0;
+
+	/* find the base directory */
+	p = strrchr(unix_path, '/');
+	if (!p) { return NULL; }
+
+	dir->unix_dir = talloc_strndup(mem_ctx, unix_path, PTR_DIFF(p, unix_path));
+	if (!dir->unix_dir) { return NULL; }
+
+	/* the wildcard pattern is the last part */
+	mask = p+1;
+
+	low_mask = talloc_strdup(mem_ctx, mask);
+	if (!low_mask) { return NULL; }
+	strlower(low_mask);
+
+	odir = opendir(dir->unix_dir);
+	if (!odir) { return NULL; }
+
+	while ((dent = readdir(odir))) {
+		uint_t i = dir->count;
+		char *full_name;
+		char *low_name;
+
+		if (strchr(dent->d_name, ':') && !strchr(unix_path, ':')) {
+			/* don't show streams in dir listing */
+			continue;
+		}
+
+		low_name = talloc_strdup(mem_ctx, dent->d_name);
+		if (!low_name) { continue; }
+		strlower(low_name);
+
+		/* check it matches the wildcard pattern */
+		if (ms_fnmatch(low_mask, low_name, PROTOCOL_NT1) != 0) {
+			continue;
+		}
+		
+		if (dir->count >= allocated) {
+			allocated = (allocated + 100) * 1.2;
+			dir->files = talloc_realloc(dir, dir->files, struct cifspsx_dirfile, allocated);
+			if (!dir->files) { 
+				closedir(odir);
+				return NULL;
+			}
+		}
+
+		dir->files[i].name = low_name;
+		if (!dir->files[i].name) { continue; }
+
+		asprintf(&full_name, "%s/%s", dir->unix_dir, dir->files[i].name);
+		if (!full_name) { continue; }
+
+		if (stat(full_name, &dir->files[i].st) == 0) { 
+			dir->count++;
+		}
+
+		free(full_name); 
+	}
+
+	closedir(odir);
+
+	return dir;
+}
+
+/*
+  read a directory and find all matching file names and stat info
+  returned names are separate unix and DOS names. The returned names
+  are relative to the directory
+*/
+struct cifspsx_dir *cifspsx_list(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, const char *pattern)
+{
+	struct cifspsx_private *private = ntvfs->private_data;
+	char *unix_path;
+
+	unix_path = cifspsx_unix_path(ntvfs, req, pattern);
+	if (!unix_path) { return NULL; }
+
+	return cifspsx_list_unix(private, req, unix_path);
+}
+
+
+/*******************************************************************
+set the time on a file via file descriptor
+*******************************************************************/
+int cifspsx_file_utime(int fd, struct utimbuf *times)
+{
+	char *fd_path = NULL;
+	int ret;
+
+	asprintf(&fd_path, "/proc/self/%d", fd);
+	if (!fd_path) {
+		errno = ENOMEM;
+		return -1;
+	}
+	
+	ret = utime(fd_path, times);
+	free(fd_path);
+	return ret;
+}
+
+
+/*
+  map a unix file attrib to a DOS attribute
+*/
+uint16_t cifspsx_unix_to_dos_attrib(mode_t mode)
+{
+	uint16_t ret = 0;
+	if (S_ISDIR(mode)) ret |= FILE_ATTRIBUTE_DIRECTORY;
+	if (!(mode & S_IWUSR)) ret |= FILE_ATTRIBUTE_READONLY;
+	return ret;
+}
+