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https://github.com/samba-team/samba.git
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bab977dad7
- hooked into events system, so requests can be truly async and won't
interfere with other processing happening at the same time
- uses NTSTATUS codes for errors (previously errors were mostly
ignored). In a similar fashion to the DOS error handling, I have
reserved a range of the NTSTATUS code 32 bit space for LDAP error
codes, so a function can return a LDAP error code in a NTSTATUS
- much cleaner packet handling
(This used to be commit 2e3c660b2f)
126 lines
3.5 KiB
C
126 lines
3.5 KiB
C
/*
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Unix SMB/CIFS implementation.
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SMB parameters and setup, plus a whole lot more.
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Copyright (C) Andrew Tridgell 2001
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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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#ifndef _NT_STATUS_H
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#define _NT_STATUS_H
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/* The Splint code analysis tool doesn't like immediate structures. */
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#ifdef _SPLINT_ /* http://www.splint.org */
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#undef HAVE_IMMEDIATE_STRUCTURES
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#endif
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/* the following rather strange looking definitions of NTSTATUS and WERROR
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and there in order to catch common coding errors where different error types
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are mixed up. This is especially important as we slowly convert Samba
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from using BOOL for internal functions
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*/
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#if defined(HAVE_IMMEDIATE_STRUCTURES)
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typedef struct {uint32_t v;} NTSTATUS;
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#define NT_STATUS(x) ((NTSTATUS) { x })
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#define NT_STATUS_V(x) ((x).v)
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#else
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typedef uint32_t NTSTATUS;
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#define NT_STATUS(x) (x)
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#define NT_STATUS_V(x) (x)
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#endif
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#if defined(HAVE_IMMEDIATE_STRUCTURES)
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typedef struct {uint32_t v;} WERROR;
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#define W_ERROR(x) ((WERROR) { x })
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#define W_ERROR_V(x) ((x).v)
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#else
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typedef uint32_t WERROR;
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#define W_ERROR(x) (x)
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#define W_ERROR_V(x) (x)
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#endif
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#define NT_STATUS_IS_OK(x) (NT_STATUS_V(x) == 0)
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#define NT_STATUS_IS_ERR(x) ((NT_STATUS_V(x) & 0xc0000000) == 0xc0000000)
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#define NT_STATUS_EQUAL(x,y) (NT_STATUS_V(x) == NT_STATUS_V(y))
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#define NT_STATUS_HAVE_NO_MEMORY(x) do { \
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if (!(x)) {\
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return NT_STATUS_NO_MEMORY;\
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}\
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} while (0)
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#define NT_STATUS_IS_OK_RETURN(x) do { \
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if (NT_STATUS_IS_OK(x)) {\
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return x;\
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}\
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} while (0)
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#define NT_STATUS_NOT_OK_RETURN(x) do { \
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if (!NT_STATUS_IS_OK(x)) {\
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return x;\
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}\
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} while (0)
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#define NT_STATUS_IS_ERR_RETURN(x) do { \
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if (NT_STATUS_IS_ERR(x)) {\
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return x;\
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}\
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} while (0)
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#define NT_STATUS_NOT_ERR_RETURN(x) do { \
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if (!NT_STATUS_IS_ERR(x)) {\
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return x;\
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}\
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} while (0)
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#define W_ERROR_IS_OK(x) (W_ERROR_V(x) == 0)
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#define W_ERROR_EQUAL(x,y) (W_ERROR_V(x) == W_ERROR_V(y))
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#define W_ERROR_HAVE_NO_MEMORY(x) do { \
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if (!(x)) {\
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return WERR_NOMEM;\
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}\
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} while (0)
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#define W_ERROR_IS_OK_RETURN(x) do { \
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if (W_ERROR_IS_OK(x)) {\
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return x;\
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}\
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} while (0)
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#define W_ERROR_NOT_OK_RETURN(x) do { \
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if (!W_ERROR_IS_OK(x)) {\
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return x;\
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}\
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} while (0)
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/* this defines special NTSTATUS codes to represent DOS errors. I
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have chosen this macro to produce status codes in the invalid
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NTSTATUS range */
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#define NT_STATUS_DOS(class, code) NT_STATUS(0xF1000000 | ((class)<<16) | code)
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#define NT_STATUS_IS_DOS(status) ((NT_STATUS_V(status) & 0xFF000000) == 0xF1000000)
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#define NT_STATUS_DOS_CLASS(status) ((NT_STATUS_V(status) >> 16) & 0xFF)
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#define NT_STATUS_DOS_CODE(status) (NT_STATUS_V(status) & 0xFFFF)
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/* define ldap error codes as NTSTATUS codes */
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#define NT_STATUS_LDAP(code) NT_STATUS(0xF2000000 | code)
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#define NT_STATUS_IS_LDAP(status) ((NT_STATUS_V(status) & 0xFF000000) == 0xF2000000)
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#define NT_STATUS_LDAP_CODE(status) (NT_STATUS_V(status) & ~0xFF000000)
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#endif
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