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777597d0c6
Only used in SMB1 code Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/*
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Unix SMB/CIFS implementation.
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server specific string routines
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Copyright (C) Andrew Tridgell 2001
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Copyright (C) Andrew Bartlett <abartlet@samba.org> 2003
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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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "smbd/smbd.h"
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#include "smbd/globals.h"
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#include "lib/util/string_wrappers.h"
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/* Make sure we can't write a string past the end of the buffer */
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NTSTATUS srvstr_push_fn(const char *base_ptr, uint16_t smb_flags2, void *dest,
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const char *src, int dest_len, int flags, size_t *ret_len)
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{
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size_t len;
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int saved_errno;
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NTSTATUS status;
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if (dest_len < 0) {
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return NT_STATUS_INVALID_PARAMETER;
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}
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saved_errno = errno;
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errno = 0;
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/* 'normal' push into size-specified buffer */
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len = push_string_base(base_ptr, smb_flags2, dest, src,
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dest_len, flags);
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if (errno != 0) {
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/*
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* Special case E2BIG, EILSEQ, EINVAL
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* as they mean conversion errors here,
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* but we don't generically map them as
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* they can mean different things in
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* generic filesystem calls (such as
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* read xattrs).
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*/
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if (errno == E2BIG || errno == EILSEQ || errno == EINVAL) {
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status = NT_STATUS_ILLEGAL_CHARACTER;
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} else {
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status = map_nt_error_from_unix_common(errno);
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/*
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* Paranoia - Filter out STATUS_MORE_ENTRIES.
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* I don't think we can get this but it has a
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* specific meaning to the client.
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*/
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if (NT_STATUS_EQUAL(status, STATUS_MORE_ENTRIES)) {
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status = NT_STATUS_UNSUCCESSFUL;
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}
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}
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DEBUG(10,("character conversion failure "
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"on string (%s) (%s)\n",
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src, strerror(errno)));
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} else {
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/* Success - restore untouched errno. */
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errno = saved_errno;
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*ret_len = len;
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status = NT_STATUS_OK;
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}
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return status;
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}
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