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Diffstat (limited to 'ldap/c-sdk/liblber/lber-int.h')
| -rw-r--r-- | ldap/c-sdk/liblber/lber-int.h | 305 |
1 files changed, 305 insertions, 0 deletions
diff --git a/ldap/c-sdk/liblber/lber-int.h b/ldap/c-sdk/liblber/lber-int.h new file mode 100644 index 000000000..24b15bdc5 --- /dev/null +++ b/ldap/c-sdk/liblber/lber-int.h @@ -0,0 +1,305 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is Mozilla Communicator client code, released + * March 31, 1998. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998-1999 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either of the GNU General Public License Version 2 or later (the "GPL"), + * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +/* + * Copyright (c) 1990 Regents of the University of Michigan. + * All rights reserved. + * + * Redistribution and use in source and binary forms are permitted + * provided that this notice is preserved and that due credit is given + * to the University of Michigan at Ann Arbor. The name of the University + * may not be used to endorse or promote products derived from this + * software without specific prior written permission. This software + * is provided ``as is'' without express or implied warranty. + */ +/* lbet-int.h - internal header file for liblber */ + +#ifndef _LBERINT_H +#define _LBERINT_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <stdio.h> +#include <ctype.h> +#include <stdarg.h> +#include <stdlib.h> + +#ifdef macintosh +# include "ldap-macos.h" +#else /* macintosh */ +#if !defined(BSDI) && !defined(DARWIN) && !defined(FREEBSD) && !defined(OPENBSD) +# include <malloc.h> +#endif +# include <errno.h> +# include <sys/types.h> +#if defined(SUNOS4) || defined(SCOOS) +# include <sys/time.h> +#endif +#if defined( _WINDOWS ) +# define WIN32_LEAN_AND_MEAN +# include <windows.h> +# include <basetsd.h> +# define ssize_t SSIZE_T +# include <time.h> +/* No stderr in a 16-bit Windows DLL */ +# if defined(_WINDLL) && !defined(_WIN32) +# define USE_DBG_WIN +# endif +# else +/* # include <sys/varargs.h> */ +# include <sys/socket.h> +# include <netinet/in.h> +#if !defined(XP_OS2) && !defined(DARWIN) +# include <unistd.h> +#endif +# endif /* defined( _WINDOWS ) */ +#endif /* macintosh */ + +#include <memory.h> +#include <string.h> +#include "portable.h" + +#ifdef _WINDOWS +# if defined(FD_SETSIZE) +# else +# define FD_SETSIZE 256 /* set it before winsock sets it to 64! */ +# endif +#include <winsock.h> +#include <io.h> +#endif /* _WINDOWS */ + +#ifdef XP_OS2 +#include <io.h> +#endif /* XP_OS2 */ + +/* No stderr in a 16-bit Windows DLL */ +#if defined(_WINDLL) && !defined(_WIN32) +#define stderr NULL +#endif + +#include "lber.h" + +#ifdef macintosh +#define NSLDAPI_LBER_SOCKET_IS_PTR +#endif + +#define OLD_LBER_SEQUENCE 0x10 /* w/o constructed bit - broken */ +#define OLD_LBER_SET 0x11 /* w/o constructed bit - broken */ + +#ifndef _IFP +#define _IFP +typedef int (LDAP_C LDAP_CALLBACK *IFP)(); +#endif + +typedef struct seqorset { + ber_len_t sos_clen; + ber_tag_t sos_tag; + char *sos_first; + char *sos_ptr; + struct seqorset *sos_next; +} Seqorset; +#define NULLSEQORSET ((Seqorset *) 0) + +#define SOS_STACK_SIZE 8 /* depth of the pre-allocated sos structure stack */ + +#define MAX_TAG_SIZE (1 + sizeof(ber_int_t)) /* One byte for the length of the tag */ +#define MAX_LEN_SIZE (1 + sizeof(ber_int_t)) /* One byte for the length of the length */ +#define MAX_VALUE_PREFIX_SIZE (2 + sizeof(ber_int_t)) /* 1 byte for the tag and 1 for the len (msgid) */ +#define BER_ARRAY_QUANTITY 7 /* 0:Tag 1:Length 2:Value-prefix 3:Value 4:Value-suffix */ +#define BER_STRUCT_TAG 0 /* 5:ControlA 6:ControlB */ +#define BER_STRUCT_LEN 1 +#define BER_STRUCT_PRE 2 +#define BER_STRUCT_VAL 3 +#define BER_STRUCT_SUF 4 +#define BER_STRUCT_CO1 5 +#define BER_STRUCT_CO2 6 + +struct berelement { + ldap_x_iovec ber_struct[BER_ARRAY_QUANTITY]; /* See above */ + + char ber_tag_contents[MAX_TAG_SIZE]; + char ber_len_contents[MAX_LEN_SIZE]; + char ber_pre_contents[MAX_VALUE_PREFIX_SIZE]; + char ber_suf_contents[MAX_LEN_SIZE+1]; + + char *ber_buf; /* update the value value when writing in case realloc is called */ + char *ber_ptr; + char *ber_end; + struct seqorset *ber_sos; + ber_len_t ber_tag_len_read; + ber_tag_t ber_tag; /* Remove me someday */ + ber_len_t ber_len; /* Remove me someday */ + int ber_usertag; + char ber_options; + char *ber_rwptr; + BERTranslateProc ber_encode_translate_proc; + BERTranslateProc ber_decode_translate_proc; + int ber_flags; +#define LBER_FLAG_NO_FREE_BUFFER 1 /* don't free ber_buf */ + unsigned int ber_buf_reallocs; /* realloc counter */ + int ber_sos_stack_posn; + Seqorset ber_sos_stack[SOS_STACK_SIZE]; +}; + +#define BER_CONTENTS_STRUCT_SIZE (sizeof(ldap_x_iovec) * BER_ARRAY_QUANTITY) + +#define NULLBER ((BerElement *)NULL) + +#ifdef LDAP_DEBUG +void ber_dump( BerElement *ber, int inout ); +#endif + + + +/* + * structure for read/write I/O callback functions. + */ +struct nslberi_io_fns { + LDAP_IOF_READ_CALLBACK *lbiof_read; + LDAP_IOF_WRITE_CALLBACK *lbiof_write; +}; + + +/* + * Old structure for use with LBER_SOCKBUF_OPT_EXT_IO_FNS: + */ +struct lber_x_ext_io_fns_rev0 { + /* lbextiofn_size should always be set to LBER_X_EXTIO_FNS_SIZE */ + int lbextiofn_size; + LDAP_X_EXTIOF_READ_CALLBACK *lbextiofn_read; + LDAP_X_EXTIOF_WRITE_CALLBACK *lbextiofn_write; + struct lextiof_socket_private *lbextiofn_socket_arg; +}; +#define LBER_X_EXTIO_FNS_SIZE_REV0 sizeof(struct lber_x_ext_io_fns_rev0) + + + +struct sockbuf { + LBER_SOCKET sb_sd; + BerElement sb_ber; + int sb_naddr; /* > 0 implies using CLDAP (UDP) */ + void *sb_useaddr; /* pointer to sockaddr to use next */ + void *sb_fromaddr; /* pointer to message source sockaddr */ + void **sb_addrs; /* actually an array of pointers to + sockaddrs */ + + int sb_options; /* to support copying ber elements */ + LBER_SOCKET sb_copyfd; /* for LBER_SOCKBUF_OPT_TO_FILE* opts */ + ber_len_t sb_max_incoming; + ber_tag_t sb_valid_tag; /* valid tag to accept */ + struct nslberi_io_fns + sb_io_fns; /* classic I/O callback functions */ + + struct lber_x_ext_io_fns + sb_ext_io_fns; /* extended I/O callback functions */ +}; +#define NULLSOCKBUF ((Sockbuf *)NULL) + +/* needed by libldap, even in non-DEBUG builds */ +void ber_err_print( char *data ); + +#ifndef NSLBERI_LBER_INT_FRIEND +/* + * Everything from this point on is excluded if NSLBERI_LBER_INT_FRIEND is + * defined. The code under ../libraries/libldap defines this. + */ + +#define READBUFSIZ 8192 + +/* + * macros used to check validity of data structures and parameters + */ +#define NSLBERI_VALID_BERELEMENT_POINTER( ber ) \ + ( (ber) != NULLBER ) + +#define NSLBERI_VALID_SOCKBUF_POINTER( sb ) \ + ( (sb) != NULLSOCKBUF ) + +#define LBER_HTONL( l ) htonl( l ) +#define LBER_NTOHL( l ) ntohl( l ) + +/* function prototypes */ +#ifdef LDAP_DEBUG +void lber_bprint( char *data, int len ); +#endif +void ber_err_print( char *data ); +void *nslberi_malloc( size_t size ); +void *nslberi_calloc( size_t nelem, size_t elsize ); +void *nslberi_realloc( void *ptr, size_t size ); +void nslberi_free( void *ptr ); +int nslberi_ber_realloc( BerElement *ber, ber_len_t len ); + +/* blame: dboreham + * slapd spends much of its time doing memcpy's for the ber code. + * Most of these are single-byte, so we special-case those and speed + * things up considerably. + */ + +#ifdef sunos4 +#define THEMEMCPY( d, s, n ) bcopy( s, d, n ) +#else /* sunos4 */ +#define THEMEMCPY( d, s, n ) memmove( d, s, n ) +#endif /* sunos4 */ + +#ifdef SAFEMEMCPY +#undef SAFEMEMCPY +#define SAFEMEMCPY(d,s,n) if (1 == n) *((char*)d) = *((char*)s); else THEMEMCPY(d,s,n); +#endif + +/* + * Memory allocation done in liblber should all go through one of the + * following macros. This is so we can plug-in alternative memory + * allocators, etc. as the need arises. + */ +#define NSLBERI_MALLOC( size ) nslberi_malloc( size ) +#define NSLBERI_CALLOC( nelem, elsize ) nslberi_calloc( nelem, elsize ) +#define NSLBERI_REALLOC( ptr, size ) nslberi_realloc( ptr, size ) +#define NSLBERI_FREE( ptr ) nslberi_free( ptr ) + +/* allow the library to access the debug variable */ + +extern int lber_debug; + +#endif /* !NSLBERI_LBER_INT_FRIEND */ + + +#ifdef __cplusplus +} +#endif +#endif /* _LBERINT_H */ |