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https://git.openldap.org/openldap/openldap.git
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c2050e04d3
Commit based upon patch and comments provided by Alan Clark <aclark@novell.com>. > Kudos to Dave Steck for the find and fix
297 lines
7.0 KiB
C
297 lines
7.0 KiB
C
/* $OpenLDAP$ */
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/*
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* Copyright 1998 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*/
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/* Portions
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* Copyright (c) 1990 Regents of the University of Michigan.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that this notice is preserved and that due credit is given
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* to the University of Michigan at Ann Arbor. The name of the University
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* may not be used to endorse or promote products derived from this
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* software without specific prior written permission. This software
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* is provided ``as is'' without express or implied warranty.
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*/
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#ifndef _LBER_INT_H
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#define _LBER_INT_H
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#include "lber.h"
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#include "ldap_log.h"
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#include "lber_pvt.h"
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LDAP_BEGIN_DECL
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LIBLBER_F (BER_ERRNO_FN) ber_int_errno_fn;
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struct lber_options {
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short lbo_valid;
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#define LBER_UNINITIALIZED 0x0
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#define LBER_INITIALIZED 0x1
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#define LBER_VALID_BERELEMENT 0x2
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#define LBER_VALID_SOCKBUF 0x3
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unsigned short lbo_options;
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int lbo_debug;
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};
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LIBLBER_F (struct lber_options) ber_int_options;
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#define ber_int_debug ber_int_options.lbo_debug
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struct berelement {
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struct lber_options ber_opts;
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#define ber_valid ber_opts.lbo_valid
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#define ber_options ber_opts.lbo_options
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#define ber_debug ber_opts.lbo_debug
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ber_tag_t ber_usertag;
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ber_tag_t ber_tag;
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ber_len_t ber_len;
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char *ber_buf;
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char *ber_ptr;
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char *ber_end;
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struct seqorset *ber_sos;
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char *ber_rwptr;
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BERTranslateProc ber_encode_translate_proc;
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BERTranslateProc ber_decode_translate_proc;
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};
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#define BER_VALID(ber) ((ber)->ber_valid==LBER_VALID_BERELEMENT)
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#define ber_pvt_ber_bytes(ber) ((ber)->ber_ptr - (ber)->ber_buf)
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#define ber_pvt_ber_remaining(ber) ((ber)->ber_end - (ber)->ber_ptr)
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struct sockbuf;
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struct sockbuf_io {
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int (*sbi_setup)( struct sockbuf * sb, void *arg );
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int (*sbi_remove)( struct sockbuf *sb );
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ber_slen_t (*sbi_read)( struct sockbuf *sb, void *buf, ber_len_t len );
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ber_slen_t (*sbi_write)( struct sockbuf *sb, void *buf, ber_len_t len );
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int (*sbi_close)( struct sockbuf *sb );
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};
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struct sockbuf_sec {
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int (*sbs_setup)( struct sockbuf * sb, void *arg );
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int (*sbs_remove)( struct sockbuf *sb );
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long (*sbs_protect)( struct sockbuf *sb, char *in, long *ilen,
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char *out, long olen );
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long (*sbs_release)( struct sockbuf *sb, char *in, long ilen,
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char *out0, long olen0, char *out1, long olen1 );
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};
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struct sockbuf_buf {
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ber_len_t buf_size;
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ber_len_t buf_ptr;
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ber_len_t buf_end;
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char *buf_base;
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};
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typedef struct sockbuf_io Sockbuf_IO;
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typedef struct sockbuf_sec Sockbuf_Sec;
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typedef struct sockbuf_buf Sockbuf_Buf;
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LIBLBER_F( Sockbuf_IO ) ber_pvt_sb_io_tcp;
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LIBLBER_F( Sockbuf_IO ) ber_pvt_sb_io_udp;
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struct sockbuf {
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struct lber_options sb_opts;
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#define sb_valid sb_opts.lbo_valid
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#define sb_options sb_opts.lbo_options
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#define sb_debug sb_opts.lbo_debug
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int sb_non_block:1;
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int sb_read_ahead:1;
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int sb_buf_ready:1;
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int sb_trans_ready:1;
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int sb_sec_ready:1;
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/* these bits indicate if the transport layer
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* needs to read or write
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*/
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int sb_trans_needs_read:1;
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int sb_trans_needs_write:1;
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int sb_fd;
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void *sb_iodata; /* transport-layer data pointer */
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Sockbuf_IO *sb_io; /* I/O functions */
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#ifdef LDAP_SASL
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void *sb_sdata; /* security-layer data pointer */
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Sockbuf_Sec *sb_sec;
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#endif
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ber_socket_t sb_sd;
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#ifdef DEADWOOD
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long sb_max_incoming;
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#endif
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Sockbuf_Buf sb_buf;
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#ifdef LDAP_SASL
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Sockbuf_Buf sb_sec_buf_in;
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Sockbuf_Buf sb_sec_buf_out;
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ber_len_t sb_sec_prev_len;
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#endif
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};
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#define SOCKBUF_VALID(ber) ((sb)->sb_valid==LBER_VALID_SOCKBUF)
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/* these should be internal ie: ber_int_* */
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#define ber_pvt_sb_get_desc( sb ) ((sb)->sb_sd)
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#define ber_pvt_sb_set_desc( sb, val ) ((sb)->sb_sd =(val))
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#define ber_pvt_sb_in_use( sb ) ((sb)->sb_sd != AC_SOCKET_INVALID)
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#ifdef USE_SASL
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#define ber_pvt_sb_data_ready( sb ) \
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(((sb)->sb_buf_ready) || ((sb)->sb_trans_ready) || ((sb)->sb_sec_ready))
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#else
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#define ber_pvt_sb_data_ready( sb ) \
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(((sb)->sb_buf_ready) || ((sb)->sb_trans_ready))
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#endif
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#define ber_pvt_sb_needs_read( sb ) \
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((sb)->sb_trans_needs_read)
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#define ber_pvt_sb_needs_write( sb ) \
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((sb)->sb_trans_needs_write)
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#define READBUFSIZ 8192
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struct seqorset {
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BerElement *sos_ber;
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ber_len_t sos_clen;
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ber_tag_t sos_tag;
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char *sos_first;
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char *sos_ptr;
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struct seqorset *sos_next;
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};
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/*
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* io.c
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*/
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int ber_realloc LDAP_P((
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BerElement *ber,
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ber_len_t len ));
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/*
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* bprint.c
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*/
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#define ber_log_printf ber_pvt_log_printf
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LIBLBER_F( int )
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ber_log_bprint LDAP_P((
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int errlvl,
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int loglvl,
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const char *data,
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ber_len_t len ));
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LIBLBER_F( int )
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ber_log_dump LDAP_P((
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int errlvl,
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int loglvl,
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BerElement *ber,
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int inout ));
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LIBLBER_F( int )
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ber_log_sos_dump LDAP_P((
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int errlvl,
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int loglvl,
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Seqorset *sos ));
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/* memory.c */
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/* simple macros to realloc for now */
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LIBLBER_F (BerMemoryFunctions *) ber_int_memory_fns;
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#ifdef CSRIMALLOC
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#define LBER_INT_MALLOC malloc
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#define LBER_INT_CALLOC calloc
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#define LBER_INT_REALLOC realloc
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#define LBER_INT_FREE free
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#define LBER_INT_VFREE ber_memvfree
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#define LBER_INT_STRDUP strdup
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#define LBER_MALLOC malloc
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#define LBER_CALLOC calloc
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#define LBER_REALLOC realloc
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#define LBER_FREE free
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#define LBER_VFREE ber_memvfree
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#define LBER_STRDUP strdup
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#else
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#define LBER_INT_MALLOC(s) ber_memalloc((s))
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#define LBER_INT_CALLOC(n,s) ber_memcalloc((n),(s))
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#define LBER_INT_REALLOC(p,s) ber_memrealloc((p),(s))
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#define LBER_INT_FREE(p) ber_memfree((p))
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#define LBER_INT_VFREE(v) ber_memvfree((void**)(v))
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#define LBER_INT_STRDUP(s) ber_strdup((s))
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#define LBER_MALLOC(s) ber_memalloc((s))
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#define LBER_CALLOC(n,s) ber_memcalloc((n),(s))
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#define LBER_REALLOC(p,s) ber_memrealloc((p),(s))
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#define LBER_FREE(p) ber_memfree((p))
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#define LBER_VFREE(v) ber_memvfree((void**)(v))
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#define LBER_STRDUP(s) ber_strdup((s))
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#endif
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/* sockbuf.c */
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/* these should be ber_int*() functions */
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LIBLBER_F( int )
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ber_pvt_sb_init LDAP_P(( Sockbuf *sb ));
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LIBLBER_F( int )
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ber_pvt_sb_destroy LDAP_P(( Sockbuf *sb ));
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#ifdef USE_SASL
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LIBLBER_F( int )
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ber_pvt_sb_set_sec LDAP_P(( Sockbuf *sb, Sockbuf_Sec *sec, void *arg ));
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LIBLBER_F( int )
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ber_pvt_sb_clear_sec LDAP_P(( Sockbuf *sb ));
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#endif
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LIBLBER_F( int )
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ber_pvt_sb_set_io LDAP_P(( Sockbuf *sb, Sockbuf_IO *layer, void *arg ));
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LIBLBER_F( int )
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ber_pvt_sb_clear_io LDAP_P(( Sockbuf *sb ));
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LIBLBER_F( int )
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ber_pvt_sb_close LDAP_P((Sockbuf *sb ));
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LIBLBER_F( int )
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ber_pvt_sb_set_nonblock LDAP_P(( Sockbuf *sb, int nb ));
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LIBLBER_F( int )
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ber_pvt_sb_set_readahead LDAP_P(( Sockbuf *sb, int rh ));
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LIBLBER_F( ber_slen_t )
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ber_pvt_sb_read LDAP_P(( Sockbuf *sb, void *buf, ber_len_t len ));
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LIBLBER_F( ber_slen_t )
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ber_pvt_sb_write LDAP_P(( Sockbuf *sb, void *buf, ber_len_t len ));
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LIBLBER_F( int )
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ber_pvt_sb_udp_set_dst LDAP_P((Sockbuf *sb, void *addr ));
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LIBLBER_F( void * )
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ber_pvt_sb_udp_get_src LDAP_P((Sockbuf *sb ));
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LIBLBER_F( int )
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ber_pvt_socket_set_nonblock LDAP_P(( ber_socket_t sd, int nb ));
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LDAP_END_DECL
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#endif /* _LBER_INT_H */
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