r9602: Add support for reading share_info.tdb and smb.conf.

Add userdata argument to function pointers for pm_process()
(This used to be commit 84b2fb34675fa557173621433838c5a7ec0f1283)

1 files changed, 85 insertions, 0 deletions

diff --git a/source4/lib/samba3/share_info.c b/source4/lib/samba3/share_info.c
new file mode 100644
index 0000000000..098d6c552e
--- /dev/null
+++ b/source4/lib/samba3/share_info.c
@@ -0,0 +1,85 @@
+/* 
+ *  Unix SMB/CIFS implementation.
+ *  Share Info parsing
+ *  Copyright (C) Andrew Tridgell              1992-1997,
+ *  Copyright (C) Jeremy Allison					2001.
+ *  Copyright (C) Nigel Williams					2001.
+ *  Copyright (C) Jelmer Vernooij					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 "includes.h"
+#include "librpc/gen_ndr/ndr_security.h"
+#include "lib/tdb/include/tdbutil.h"
+#include "lib/samba3/samba3.h"
+#include "system/filesys.h"
+
+#define SHARE_DATABASE_VERSION_V1 1
+#define SHARE_DATABASE_VERSION_V2 2 /* version id in little endian. */
+
+NTSTATUS samba3_read_share_info(const char *fn, TALLOC_CTX *ctx, struct samba3 *db)
+{
+	int32_t vers_id;
+	TDB_CONTEXT *tdb;
+	TDB_DATA kbuf, vbuf;
+	DATA_BLOB blob;
+ 
+	tdb = tdb_open(fn, 0, TDB_DEFAULT, O_RDONLY, 0600);
+	if (!tdb) {
+		DEBUG(0,("Failed to open share info database %s (%s)\n",
+			fn, strerror(errno) ));
+		return NT_STATUS_UNSUCCESSFUL;
+	}
+ 
+	/* Cope with byte-reversed older versions of the db. */
+	vers_id = tdb_fetch_int32(tdb, "INFO/version");
+	if ((vers_id == SHARE_DATABASE_VERSION_V1) || (IREV(vers_id) == SHARE_DATABASE_VERSION_V1)) {
+		/* Written on a bigendian machine with old fetch_int code. Save as le. */
+		vers_id = SHARE_DATABASE_VERSION_V2;
+	}
+
+	if (vers_id != SHARE_DATABASE_VERSION_V2) {
+		return NT_STATUS_UNSUCCESSFUL;
+	}
+
+	for (kbuf = tdb_firstkey(tdb); kbuf.dptr; kbuf = tdb_nextkey(tdb, kbuf)) 
+	{
+		struct ndr_pull *pull;
+		struct samba3_share_info *share;
+		char *name;
+		
+		if (strncmp(kbuf.dptr, "SECDESC/", strlen("SECDESC/")) != 0)
+			continue;
+
+		name = talloc_strndup(ctx, kbuf.dptr+strlen("SECDESC/"), kbuf.dsize-strlen("SECDESC/"));
+
+		share = samba3_find_share(db, ctx, name);
+
+		vbuf = tdb_fetch(tdb, kbuf);
+		blob.data = (uint8_t *)vbuf.dptr;
+		blob.length = vbuf.dsize;
+
+		pull = ndr_pull_init_blob(&blob, ctx);
+
+		ndr_pull_security_descriptor(pull, NDR_SCALARS|NDR_BUFFERS, &share->secdesc);
+
+		talloc_free(pull);
+	}
+
+	tdb_close(tdb);
+
+	return NT_STATUS_OK;
+}