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authorJames Peach <jpeach@apple.com>2007-10-15 14:03:40 -0700
committerJames Peach <jpeach@samba.org>2007-12-19 22:20:39 -0800
commit2403b319a76c3b425d618a3ff937e7ff05d211b4 (patch)
treed5bfe26f736416eb6da2f5c53a81e409105d86be /source3/smbd
parent26b75f2d833d7a4ba588e66b5cf6cf3ed8e0b236 (diff)
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Add filesystem capabilities bitmask to statfs info.
This patch adds Darwin support for the Samba statfs VFS call. It also adds a filesystem capabilities bitmask to the information returned by the call. (This used to be commit 555173eb3f6511e88798d6ef3d1fed0c219a9921)
Diffstat (limited to 'source3/smbd')
-rw-r--r--source3/smbd/statvfs.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/source3/smbd/statvfs.c b/source3/smbd/statvfs.c
index f6663208ea..5fc0afdd79 100644
--- a/source3/smbd/statvfs.c
+++ b/source3/smbd/statvfs.c
@@ -3,6 +3,7 @@
VFS API's statvfs abstraction
Copyright (C) Alexander Bokovoy 2005
Copyright (C) Steve French 2005
+ Copyright (C) James Peach 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
@@ -37,11 +38,93 @@ static int linux_statvfs(const char *path, vfs_statvfs_struct *statbuf)
statbuf->TotalFileNodes = statvfs_buf.f_files;
statbuf->FreeFileNodes = statvfs_buf.f_ffree;
statbuf->FsIdentifier = statvfs_buf.f_fsid;
+
+ /* Good defaults for Linux filesystems are case sensitive
+ * and case preserving.
+ */
+ statbuf->FsCapabilities =
+ FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVING_NAMES;
}
return result;
}
#endif
+#if defined(DARWINOS)
+
+#include <sys/attr.h>
+
+static int darwin_fs_capabilities(const char * path)
+{
+ int caps = 0;
+ vol_capabilities_attr_t *vcaps;
+ struct attrlist attrlist;
+ char attrbuf[sizeof(u_int32_t) + sizeof(vol_capabilities_attr_t)];
+
+#define FORMAT_CAP(vinfo, cap) \
+ ( ((vinfo)->valid[VOL_CAPABILITIES_FORMAT] & (cap)) && \
+ ((vinfo)->capabilities[VOL_CAPABILITIES_FORMAT] & (cap)) )
+
+#define INTERFACE_CAP(vinfo, cap) \
+ ( ((vinfo)->valid[VOL_CAPABILITIES_INTERFACES] & (cap)) && \
+ ((vinfo)->capabilities[VOL_CAPABILITIES_INTERFACES] & (cap)) )
+
+ ZERO_STRUCT(attrlist);
+ attrlist.bitmapcount = ATTR_BIT_MAP_COUNT;
+ attrlist.volattr = ATTR_VOL_CAPABILITIES;
+
+ if (getattrlist(path, &attrlist, attrbuf, sizeof(attrbuf), 0) != 0) {
+ DEBUG(0, ("getattrlist for %s capabilities failed: %s\n",
+ path, strerror(errno)));
+ /* Return no capabilities on failure. */
+ return 0;
+ }
+
+ vcaps =
+ (vol_capabilities_attr_t *)(attrbuf + sizeof(u_int32_t));
+
+ if (FORMAT_CAP(vcaps, VOL_CAP_FMT_SPARSE_FILES)) {
+ caps |= FILE_SUPPORTS_SPARSE_FILES;
+ }
+
+ if (FORMAT_CAP(vcaps, VOL_CAP_FMT_CASE_SENSITIVE)) {
+ caps |= FILE_CASE_SENSITIVE_SEARCH;
+ }
+
+ if (FORMAT_CAP(vcaps, VOL_CAP_FMT_CASE_PRESERVING)) {
+ caps |= FILE_CASE_PRESERVED_NAMES;
+ }
+
+ if (INTERFACE_CAP(vcaps, VOL_CAP_INT_EXTENDED_SECURITY)) {
+ caps |= FILE_PERSISTENT_ACLS;
+ }
+
+ return caps;
+}
+
+static int darwin_statvfs(const char *path, vfs_statvfs_struct *statbuf)
+{
+ struct statfs sbuf;
+ int ret;
+
+ ret = statfs(path, &sbuf);
+ if (ret != 0) {
+ return ret;
+ }
+
+ statbuf->OptimalTransferSize = sbuf.f_iosize;
+ statbuf->BlockSize = sbuf.f_bsize;
+ statbuf->TotalBlocks = sbuf.f_blocks;
+ statbuf->BlocksAvail = sbuf.f_bfree;
+ statbuf->UserBlocksAvail = sbuf.f_bavail;
+ statbuf->TotalFileNodes = sbuf.f_files;
+ statbuf->FreeFileNodes = sbuf.f_ffree;
+ statbuf->FsIdentifier = *(SMB_BIG_UINT *)(&sbuf.f_fsid); /* Ick. */
+ statbuf->FsCapabilities = darwin_fs_capabilities(sbuf.f_mntonname);
+
+ return 0;
+}
+#endif
+
/*
sys_statvfs() is an abstraction layer over system-dependent statvfs()/statfs()
for particular POSIX systems. Due to controversy of what is considered more important
@@ -52,6 +135,8 @@ int sys_statvfs(const char *path, vfs_statvfs_struct *statbuf)
{
#if defined(LINUX) && defined(HAVE_FSID_INT)
return linux_statvfs(path, statbuf);
+#elif defined(DARWINOS)
+ return darwin_statvfs(path, statbuf);
#else
/* BB change this to return invalid level */
#ifdef EOPNOTSUPP