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Unix SMB/CIFS implementation.
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client error handling routines
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Copyright (C) Andrew Tridgell 1994-1998
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Copyright (C) Jelmer Vernooij 2003
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Copyright (C) Jeremy Allison 2006
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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/*****************************************************
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RAP error codes - a small start but will be extended.
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XXX: Perhaps these should move into a common function because they're
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duplicated in clirap2.c
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*******************************************************/
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{5, "RAP5: User has insufficient privilege" },
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{50, "RAP50: Not supported by server" },
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{65, "RAP65: Access denied" },
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{86, "RAP86: The specified password is invalid" },
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{2220, "RAP2220: Group does not exist" },
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{2221, "RAP2221: User does not exist" },
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{2226, "RAP2226: Operation only permitted on a Primary Domain Controller" },
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{2237, "RAP2237: User is not in group" },
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{2242, "RAP2242: The password of this user has expired." },
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{2243, "RAP2243: The password of this user cannot change." },
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{2244, "RAP2244: This password cannot be used now (password history conflict)." },
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{2245, "RAP2245: The password is shorter than required." },
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{2246, "RAP2246: The password of this user is too recent to change."},
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/* these really shouldn't be here ... */
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{0x80, "Not listening on called name"},
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{0x81, "Not listening for calling name"},
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{0x82, "Called name not present"},
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{0x83, "Called name present, but insufficient resources"},
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/****************************************************************************
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Return a description of an SMB error.
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****************************************************************************/
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static const char *cli_smb_errstr(struct cli_state *cli)
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return smb_dos_errstr(cli->inbuf);
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/****************************************************************************
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Convert a socket error into an NTSTATUS.
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****************************************************************************/
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static NTSTATUS cli_smb_rw_error_to_ntstatus(struct cli_state *cli)
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switch(cli->smb_rw_error) {
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return NT_STATUS_IO_TIMEOUT;
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return NT_STATUS_END_OF_FILE;
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/* What we shoud really do for read/write errors is convert from errno. */
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return NT_STATUS_INVALID_NETWORK_RESPONSE;
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return NT_STATUS_UNEXPECTED_NETWORK_ERROR;
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return NT_STATUS_INVALID_PARAMETER;
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return NT_STATUS_UNSUCCESSFUL;
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/***************************************************************************
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Return an error message - either an NT error, SMB error or a RAP error.
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Note some of the NT errors are actually warnings or "informational" errors
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in which case they can be safely ignored.
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****************************************************************************/
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const char *cli_errstr(struct cli_state *cli)
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static fstring cli_error_message;
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uint32 flgs2 = SVAL(cli->inbuf,smb_flg2), errnum;
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if (!cli->initialised) {
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fstrcpy(cli_error_message, "[Programmer's error] cli_errstr called on unitialized cli_stat struct!\n");
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return cli_error_message;
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/* Was it server socket error ? */
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if (cli->fd == -1 && cli->smb_rw_error) {
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switch(cli->smb_rw_error) {
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slprintf(cli_error_message, sizeof(cli_error_message) - 1,
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"Call timed out: server did not respond after %d milliseconds",
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slprintf(cli_error_message, sizeof(cli_error_message) - 1,
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"Call returned zero bytes (EOF)" );
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slprintf(cli_error_message, sizeof(cli_error_message) - 1,
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"Read error: %s", strerror(errno) );
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slprintf(cli_error_message, sizeof(cli_error_message) - 1,
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"Write error: %s", strerror(errno) );
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slprintf(cli_error_message, sizeof(cli_error_message) - 1,
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"Server packet had invalid SMB signature!");
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slprintf(cli_error_message, sizeof(cli_error_message) - 1,
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"Unknown error code %d\n", cli->smb_rw_error );
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return cli_error_message;
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/* Case #1: RAP error */
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if (cli->rap_error) {
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for (i = 0; rap_errmap[i].message != NULL; i++) {
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if (rap_errmap[i].err == cli->rap_error) {
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return rap_errmap[i].message;
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slprintf(cli_error_message, sizeof(cli_error_message) - 1, "RAP code %d",
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return cli_error_message;
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/* Case #2: 32-bit NT errors */
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if (flgs2 & FLAGS2_32_BIT_ERROR_CODES) {
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NTSTATUS status = NT_STATUS(IVAL(cli->inbuf,smb_rcls));
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return nt_errstr(status);
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cli_dos_error(cli, &errclass, &errnum);
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/* Case #3: SMB error */
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return cli_smb_errstr(cli);
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/****************************************************************************
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Return the 32-bit NT status code from the last packet.
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****************************************************************************/
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NTSTATUS cli_nt_error(struct cli_state *cli)
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int flgs2 = SVAL(cli->inbuf,smb_flg2);
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/* Deal with socket errors first. */
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if (cli->fd == -1 && cli->smb_rw_error) {
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return cli_smb_rw_error_to_ntstatus(cli);
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if (!(flgs2 & FLAGS2_32_BIT_ERROR_CODES)) {
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int e_class = CVAL(cli->inbuf,smb_rcls);
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int code = SVAL(cli->inbuf,smb_err);
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return dos_to_ntstatus(e_class, code);
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return NT_STATUS(IVAL(cli->inbuf,smb_rcls));
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/****************************************************************************
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Return the DOS error from the last packet - an error class and an error
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****************************************************************************/
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void cli_dos_error(struct cli_state *cli, uint8 *eclass, uint32 *ecode)
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if(!cli->initialised) {
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/* Deal with socket errors first. */
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if (cli->fd == -1 && cli->smb_rw_error) {
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NTSTATUS status = cli_smb_rw_error_to_ntstatus(cli);
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ntstatus_to_dos( status, eclass, ecode);
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flgs2 = SVAL(cli->inbuf,smb_flg2);
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if (flgs2 & FLAGS2_32_BIT_ERROR_CODES) {
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NTSTATUS ntstatus = NT_STATUS(IVAL(cli->inbuf, smb_rcls));
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ntstatus_to_dos(ntstatus, eclass, ecode);
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rcls = CVAL(cli->inbuf,smb_rcls);
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code = SVAL(cli->inbuf,smb_err);
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if (eclass) *eclass = rcls;
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if (ecode) *ecode = code;
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/* Return a UNIX errno from a NT status code */
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{NT_STATUS_ACCESS_VIOLATION, EACCES},
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{NT_STATUS_INVALID_HANDLE, EBADF},
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{NT_STATUS_ACCESS_DENIED, EACCES},
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{NT_STATUS_OBJECT_NAME_NOT_FOUND, ENOENT},
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{NT_STATUS_SHARING_VIOLATION, EBUSY},
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{NT_STATUS_OBJECT_PATH_INVALID, ENOTDIR},
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{NT_STATUS_OBJECT_NAME_COLLISION, EEXIST},
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{NT_STATUS_PATH_NOT_COVERED, ENOENT},
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{NT_STATUS_UNSUCCESSFUL, EINVAL},
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{NT_STATUS_NOT_IMPLEMENTED, ENOSYS},
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{NT_STATUS_IN_PAGE_ERROR, EFAULT},
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{NT_STATUS_BAD_NETWORK_NAME, ENOENT},
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{NT_STATUS_PAGEFILE_QUOTA, EDQUOT},
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{NT_STATUS_QUOTA_EXCEEDED, EDQUOT},
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{NT_STATUS_REGISTRY_QUOTA_LIMIT, EDQUOT},
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{NT_STATUS_LICENSE_QUOTA_EXCEEDED, EDQUOT},
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{NT_STATUS_TIMER_NOT_CANCELED, ETIME},
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{NT_STATUS_INVALID_PARAMETER, EINVAL},
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{NT_STATUS_NO_SUCH_DEVICE, ENODEV},
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{NT_STATUS_NO_SUCH_FILE, ENOENT},
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{NT_STATUS_END_OF_FILE, ENODATA},
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{NT_STATUS_NO_MEDIA_IN_DEVICE, ENOMEDIUM},
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{NT_STATUS_NO_MEDIA, ENOMEDIUM},
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{NT_STATUS_NONEXISTENT_SECTOR, ESPIPE},
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{NT_STATUS_NO_MEMORY, ENOMEM},
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{NT_STATUS_CONFLICTING_ADDRESSES, EADDRINUSE},
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{NT_STATUS_NOT_MAPPED_VIEW, EINVAL},
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{NT_STATUS_UNABLE_TO_FREE_VM, EADDRINUSE},
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{NT_STATUS_ACCESS_DENIED, EACCES},
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{NT_STATUS_BUFFER_TOO_SMALL, ENOBUFS},
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{NT_STATUS_WRONG_PASSWORD, EACCES},
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{NT_STATUS_LOGON_FAILURE, EACCES},
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{NT_STATUS_INVALID_WORKSTATION, EACCES},
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{NT_STATUS_INVALID_LOGON_HOURS, EACCES},
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{NT_STATUS_PASSWORD_EXPIRED, EACCES},
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{NT_STATUS_ACCOUNT_DISABLED, EACCES},
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{NT_STATUS_DISK_FULL, ENOSPC},
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{NT_STATUS_INVALID_PIPE_STATE, EPIPE},
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{NT_STATUS_PIPE_BUSY, EPIPE},
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{NT_STATUS_PIPE_DISCONNECTED, EPIPE},
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{NT_STATUS_PIPE_NOT_AVAILABLE, ENOSYS},
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{NT_STATUS_FILE_IS_A_DIRECTORY, EISDIR},
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{NT_STATUS_NOT_SUPPORTED, ENOSYS},
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{NT_STATUS_NOT_A_DIRECTORY, ENOTDIR},
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{NT_STATUS_DIRECTORY_NOT_EMPTY, ENOTEMPTY},
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{NT_STATUS_NETWORK_UNREACHABLE, ENETUNREACH},
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{NT_STATUS_HOST_UNREACHABLE, EHOSTUNREACH},
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{NT_STATUS_CONNECTION_ABORTED, ECONNABORTED},
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{NT_STATUS_CONNECTION_REFUSED, ECONNREFUSED},
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{NT_STATUS_TOO_MANY_LINKS, EMLINK},
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{NT_STATUS_NETWORK_BUSY, EBUSY},
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{NT_STATUS_DEVICE_DOES_NOT_EXIST, ENODEV},
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{NT_STATUS_DLL_NOT_FOUND, ELIBACC},
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{NT_STATUS_PIPE_BROKEN, EPIPE},
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{NT_STATUS_REMOTE_NOT_LISTENING, ECONNREFUSED},
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{NT_STATUS_NETWORK_ACCESS_DENIED, EACCES},
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{NT_STATUS_TOO_MANY_OPENED_FILES, EMFILE},
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{NT_STATUS_DEVICE_PROTOCOL_ERROR, EPROTO},
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{NT_STATUS_FLOAT_OVERFLOW, ERANGE},
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{NT_STATUS_FLOAT_UNDERFLOW, ERANGE},
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{NT_STATUS_INTEGER_OVERFLOW, ERANGE},
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{NT_STATUS_MEDIA_WRITE_PROTECTED, EROFS},
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{NT_STATUS_PIPE_CONNECTED, EISCONN},
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{NT_STATUS_MEMORY_NOT_ALLOCATED, EFAULT},
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{NT_STATUS_FLOAT_INEXACT_RESULT, ERANGE},
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{NT_STATUS_ILL_FORMED_PASSWORD, EACCES},
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{NT_STATUS_PASSWORD_RESTRICTION, EACCES},
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{NT_STATUS_ACCOUNT_RESTRICTION, EACCES},
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{NT_STATUS_PORT_CONNECTION_REFUSED, ECONNREFUSED},
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{NT_STATUS_NAME_TOO_LONG, ENAMETOOLONG},
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{NT_STATUS_REMOTE_DISCONNECT, ESHUTDOWN},
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{NT_STATUS_CONNECTION_DISCONNECTED, ECONNABORTED},
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{NT_STATUS_CONNECTION_RESET, ENETRESET},
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{NT_STATUS_IP_ADDRESS_CONFLICT1, ENOTUNIQ},
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{NT_STATUS_IP_ADDRESS_CONFLICT2, ENOTUNIQ},
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{NT_STATUS_PORT_MESSAGE_TOO_LONG, EMSGSIZE},
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{NT_STATUS_PROTOCOL_UNREACHABLE, ENOPROTOOPT},
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{NT_STATUS_ADDRESS_ALREADY_EXISTS, EADDRINUSE},
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{NT_STATUS_PORT_UNREACHABLE, EHOSTUNREACH},
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{NT_STATUS_IO_TIMEOUT, ETIMEDOUT},
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{NT_STATUS_RETRY, EAGAIN},
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{NT_STATUS_DUPLICATE_NAME, ENOTUNIQ},
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{NT_STATUS_NET_WRITE_FAULT, ECOMM},
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/****************************************************************************
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The following mappings need tidying up and moving into libsmb/errormap.c...
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****************************************************************************/
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static int cli_errno_from_nt(NTSTATUS status)
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DEBUG(10,("cli_errno_from_nt: 32 bit codes: code=%08x\n", NT_STATUS_V(status)));
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/* Status codes without this bit set are not errors */
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if (!(NT_STATUS_V(status) & 0xc0000000)) {
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for (i=0;nt_errno_map[i].error;i++) {
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if (NT_STATUS_V(nt_errno_map[i].status) ==
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NT_STATUS_V(status)) return nt_errno_map[i].error;
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/* for all other cases - a default code */
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/* Return a UNIX errno appropriate for the error received in the last
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int cli_errno(struct cli_state *cli)
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if (cli_is_nt_error(cli)) {
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status = cli_nt_error(cli);
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return cli_errno_from_nt(status);
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if (cli_is_dos_error(cli)) {
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cli_dos_error(cli, &eclass, &ecode);
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status = dos_to_ntstatus(eclass, ecode);
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return cli_errno_from_nt(status);
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/* for other cases */
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/* Return true if the last packet was in error */
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BOOL cli_is_error(struct cli_state *cli)
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uint32 flgs2 = SVAL(cli->inbuf,smb_flg2), rcls = 0;
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/* A socket error is always an error. */
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if (cli->fd == -1 && cli->smb_rw_error != 0) {
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if (flgs2 & FLAGS2_32_BIT_ERROR_CODES) {
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/* Return error is error bits are set */
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rcls = IVAL(cli->inbuf, smb_rcls);
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return (rcls & 0xF0000000) == 0xC0000000;
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/* Return error if error class in non-zero */
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rcls = CVAL(cli->inbuf, smb_rcls);
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/* Return true if the last error was an NT error */
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BOOL cli_is_nt_error(struct cli_state *cli)
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uint32 flgs2 = SVAL(cli->inbuf,smb_flg2);
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/* A socket error is always an NT error. */
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if (cli->fd == -1 && cli->smb_rw_error != 0) {
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return cli_is_error(cli) && (flgs2 & FLAGS2_32_BIT_ERROR_CODES);
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/* Return true if the last error was a DOS error */
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BOOL cli_is_dos_error(struct cli_state *cli)
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uint32 flgs2 = SVAL(cli->inbuf,smb_flg2);
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/* A socket error is always a DOS error. */
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if (cli->fd == -1 && cli->smb_rw_error != 0) {
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return cli_is_error(cli) && !(flgs2 & FLAGS2_32_BIT_ERROR_CODES);
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/* Return the last error always as an NTSTATUS. */
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NTSTATUS cli_get_nt_error(struct cli_state *cli)
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if (cli_is_nt_error(cli)) {
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return cli_nt_error(cli);
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} else if (cli_is_dos_error(cli)) {
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cli_dos_error(cli, &eclass, &ecode);
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return dos_to_ntstatus(eclass, ecode);
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/* Something went wrong, we don't know what. */
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return NT_STATUS_UNSUCCESSFUL;
added
removed
source/libsmb/clierror.c
