split clientgen.c into several parts

the next step is splitting out the auth code, to make adding lukes
NTLMSSP support easier
(This used to be commit 10c5470835b43116ed48b3137c3b9cc867a20989)

1 files changed, 213 insertions, 0 deletions

diff --git a/source3/libsmb/clierror.c b/source3/libsmb/clierror.c
new file mode 100644
index 0000000000..e09064bf0f
--- /dev/null
+++ b/source3/libsmb/clierror.c
@@ -0,0 +1,213 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 3.0
+   client error handling routines
+   Copyright (C) Andrew Tridgell 1994-1998
+   
+   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.
+*/
+
+#define NO_SYSLOG
+
+#include "includes.h"
+
+
+extern int DEBUGLEVEL;
+
+
+/*****************************************************
+ RAP error codes - a small start but will be extended.
+*******************************************************/
+
+static struct
+{
+  int err;
+  char *message;
+} rap_errmap[] =
+{
+  {5,    "User has insufficient privilege" },
+  {86,   "The specified password is invalid" },
+  {2226, "Operation only permitted on a Primary Domain Controller"  },
+  {2242, "The password of this user has expired." },
+  {2243, "The password of this user cannot change." },
+  {2244, "This password cannot be used now (password history conflict)." },
+  {2245, "The password is shorter than required." },
+  {2246, "The password of this user is too recent to change."},
+
+  /* these really shouldn't be here ... */
+  {0x80, "Not listening on called name"},
+  {0x81, "Not listening for calling name"},
+  {0x82, "Called name not present"},
+  {0x83, "Called name present, but insufficient resources"},
+
+  {0, NULL}
+};  
+
+/****************************************************************************
+  return a description of an SMB error
+****************************************************************************/
+static char *cli_smb_errstr(struct cli_state *cli)
+{
+	return smb_errstr(cli->inbuf);
+}
+
+/******************************************************
+ Return an error message - either an SMB error or a RAP
+ error.
+*******************************************************/
+    
+char *cli_errstr(struct cli_state *cli)
+{   
+	static fstring error_message;
+	uint8 errclass;
+	uint32 errnum;
+	uint32 nt_rpc_error;
+	int i;      
+
+	/*  
+	 * Errors are of three kinds - smb errors,
+	 * dealt with by cli_smb_errstr, NT errors,
+	 * whose code is in cli.nt_error, and rap
+	 * errors, whose error code is in cli.rap_error.
+	 */ 
+
+	cli_error(cli, &errclass, &errnum, &nt_rpc_error);
+
+	if (errclass != 0)
+	{
+		return cli_smb_errstr(cli);
+	}
+
+	/*
+	 * Was it an NT error ?
+	 */
+
+	if (nt_rpc_error)
+	{
+		char *nt_msg = get_nt_error_msg(nt_rpc_error);
+
+		if (nt_msg == NULL)
+		{
+			slprintf(error_message, sizeof(fstring) - 1, "NT code %d", nt_rpc_error);
+		}
+		else
+		{
+			fstrcpy(error_message, nt_msg);
+		}
+
+		return error_message;
+	}
+
+	/*
+	 * Must have been a rap error.
+	 */
+
+	slprintf(error_message, sizeof(error_message) - 1, "code %d", cli->rap_error);
+
+	for (i = 0; rap_errmap[i].message != NULL; i++)
+	{
+		if (rap_errmap[i].err == cli->rap_error)
+		{
+			fstrcpy( error_message, rap_errmap[i].message);
+			break;
+		}
+	} 
+
+	return error_message;
+}
+
+
+/****************************************************************************
+  return error codes for the last packet
+  returns 0 if there was no error and the best approx of a unix errno
+  otherwise
+
+  for 32 bit "warnings", a return code of 0 is expected.
+
+****************************************************************************/
+int cli_error(struct cli_state *cli, uint8 *eclass, uint32 *num, uint32 *nt_rpc_error)
+{
+	int  flgs2;
+	char rcls;
+	int code;
+
+	if (eclass) *eclass = 0;
+	if (num   ) *num = 0;
+	if (nt_rpc_error) *nt_rpc_error = 0;
+
+	if(!cli->initialised)
+		return EINVAL;
+
+	if(!cli->inbuf)
+		return ENOMEM;
+
+	flgs2 = SVAL(cli->inbuf,smb_flg2);
+	if (nt_rpc_error) *nt_rpc_error = cli->nt_error;
+
+	if (flgs2 & FLAGS2_32_BIT_ERROR_CODES) {
+		/* 32 bit error codes detected */
+		uint32 nt_err = IVAL(cli->inbuf,smb_rcls);
+		if (num) *num = nt_err;
+		DEBUG(10,("cli_error: 32 bit codes: code=%08x\n", nt_err));
+		if (!IS_BITS_SET_ALL(nt_err, 0xc0000000)) return 0;
+
+		switch (nt_err & 0xFFFFFF) {
+		case NT_STATUS_ACCESS_VIOLATION: return EACCES;
+		case NT_STATUS_NO_SUCH_FILE: return ENOENT;
+		case NT_STATUS_NO_SUCH_DEVICE: return ENODEV;
+		case NT_STATUS_INVALID_HANDLE: return EBADF;
+		case NT_STATUS_NO_MEMORY: return ENOMEM;
+		case NT_STATUS_ACCESS_DENIED: return EACCES;
+		case NT_STATUS_OBJECT_NAME_NOT_FOUND: return ENOENT;
+		case NT_STATUS_SHARING_VIOLATION: return EBUSY;
+		case NT_STATUS_OBJECT_PATH_INVALID: return ENOTDIR;
+		case NT_STATUS_OBJECT_NAME_COLLISION: return EEXIST;
+		}
+
+		/* for all other cases - a default code */
+		return EINVAL;
+	}
+
+	rcls  = CVAL(cli->inbuf,smb_rcls);
+	code  = SVAL(cli->inbuf,smb_err);
+	if (rcls == 0) return 0;
+
+	if (eclass) *eclass = rcls;
+	if (num   ) *num    = code;
+
+	if (rcls == ERRDOS) {
+		switch (code) {
+		case ERRbadfile: return ENOENT;
+		case ERRbadpath: return ENOTDIR;
+		case ERRnoaccess: return EACCES;
+		case ERRfilexists: return EEXIST;
+		case ERRrename: return EEXIST;
+		case ERRbadshare: return EBUSY;
+		case ERRlock: return EBUSY;
+		}
+	}
+	if (rcls == ERRSRV) {
+		switch (code) {
+		case ERRbadpw: return EPERM;
+		case ERRaccess: return EACCES;
+		case ERRnoresource: return ENOMEM;
+		case ERRinvdevice: return ENODEV;
+		case ERRinvnetname: return ENODEV;
+		}
+	}
+	/* for other cases */
+	return EINVAL;
+}
+