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The BER API is currently used by ldap, ldapd, ldapctl, ypldap, snmpd, and 

snmpctl. Separate copies of ber.[ch] have existed and been maintained in sync
in ldap, ldapd, ypldap and snmpd.
This commit moves the BER API into /usr/lib/libutil. All current consumers
already link libutil. ldapd and snmpd regress passes, and release builds.
With help from tb@ and guenther@.
ok deraadt@, tb@
OPENBSD_6_6
rob 5 years ago
parent
59654e510e
commit
ad393dcd5f
6 changed files with 1984 additions and 5 deletions
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  1. +5
    -4
      src/lib/libutil/Makefile
  2. +45
    -0
      src/lib/libutil/Symbols.map
  3. +453
    -0
      src/lib/libutil/ber.3
  4. +1328
    -0
      src/lib/libutil/ber.c
  5. +152
    -0
      src/lib/libutil/ber.h
  6. +1
    -1
      src/lib/libutil/shlib_version

+ 5
- 4
src/lib/libutil/Makefile View File

@ -1,18 +1,19 @@
# $OpenBSD: Makefile,v 1.40 2017/12/14 09:27:44 kettenis Exp $
# $OpenBSD: Makefile,v 1.41 2019/05/11 17:46:02 rob Exp $
# $NetBSD: Makefile,v 1.8 1996/05/16 07:03:28 thorpej Exp $ # $NetBSD: Makefile,v 1.8 1996/05/16 07:03:28 thorpej Exp $
LIB= util LIB= util
VERSION_SCRIPT= ${.CURDIR}/Symbols.map VERSION_SCRIPT= ${.CURDIR}/Symbols.map
HDRS= util.h imsg.h
SRCS= bcrypt_pbkdf.c check_expire.c duid.c getmaxpartitions.c \
HDRS= ber.h util.h imsg.h
SRCS= bcrypt_pbkdf.c ber.c check_expire.c duid.c getmaxpartitions.c \
getrawpartition.c login.c \ getrawpartition.c login.c \
login_tty.c logout.c logwtmp.c opendev.c passwd.c pty.c readlabel.c \ login_tty.c logout.c logwtmp.c opendev.c passwd.c pty.c readlabel.c \
login_fbtab.c uucplock.c fparseln.c opendisk.c pidfile.c \ login_fbtab.c uucplock.c fparseln.c opendisk.c pidfile.c \
fmt_scaled.c imsg.c imsg-buffer.c pkcs5_pbkdf2.c fmt_scaled.c imsg.c imsg-buffer.c pkcs5_pbkdf2.c
MAN= bcrypt_pbkdf.3 check_expire.3 getmaxpartitions.3 getrawpartition.3 \
MAN= bcrypt_pbkdf.3 ber.3 check_expire.3 getmaxpartitions.3 \
getrawpartition.3 \
isduid.3 login.3 \ isduid.3 login.3 \
opendev.3 openpty.3 pw_init.3 pw_lock.3 readlabelfs.3 uucplock.3 \ opendev.3 openpty.3 pw_init.3 pw_lock.3 readlabelfs.3 uucplock.3 \
fparseln.3 opendisk.3 login_fbtab.3 pidfile.3 fmt_scaled.3 imsg_init.3 \ fparseln.3 opendisk.3 login_fbtab.3 pidfile.3 fmt_scaled.3 imsg_init.3 \


+ 45
- 0
src/lib/libutil/Symbols.map View File

@ -9,6 +9,51 @@
{ {
global: global:
bcrypt_pbkdf; bcrypt_pbkdf;
ber_add_bitstring;
ber_add_boolean;
ber_add_enumerated;
ber_add_eoc;
ber_add_integer;
ber_add_noid;
ber_add_nstring;
ber_add_null;
ber_add_oid;
ber_add_oidstring;
ber_add_ostring;
ber_add_sequence;
ber_add_set;
ber_add_string;
ber_calc_len;
ber_free;
ber_free_element;
ber_free_elements;
ber_get_bitstring;
ber_get_boolean;
ber_get_element;
ber_get_enumerated;
ber_get_eoc;
ber_get_integer;
ber_get_nstring;
ber_get_null;
ber_get_oid;
ber_get_ostring;
ber_get_string;
ber_get_writebuf;
ber_getpos;
ber_link_elements;
ber_oid2ber;
ber_oid_cmp;
ber_printf_elements;
ber_read_elements;
ber_replace_elements;
ber_scanf_elements;
ber_set_application;
ber_set_header;
ber_set_readbuf;
ber_set_writecallback;
ber_string2oid;
ber_unlink_elements;
ber_write_elements;
fdforkpty; fdforkpty;
fdopenpty; fdopenpty;
fmt_scaled; fmt_scaled;


+ 453
- 0
src/lib/libutil/ber.3 View File

@ -0,0 +1,453 @@
.\" $OpenBSD: ber.3,v 1.1 2019/05/11 17:46:02 rob Exp $
.\"
.\" Copyright (c) 2007, 2012 Reyk Floeter <reyk@openbsd.org>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: May 11 2019 $
.Dt BER 3
.Os
.Sh NAME
.Nm ber_get_element ,
.Nm ber_set_header ,
.Nm ber_link_elements ,
.Nm ber_unlink_elements ,
.Nm ber_replace_elements ,
.Nm ber_add_sequence ,
.Nm ber_add_set ,
.Nm ber_add_enumerated ,
.Nm ber_add_integer ,
.Nm ber_get_integer ,
.Nm ber_get_enumerated ,
.Nm ber_add_boolean ,
.Nm ber_get_boolean ,
.Nm ber_add_string ,
.Nm ber_add_nstring ,
.Nm ber_add_ostring ,
.Nm ber_add_bitstring ,
.Nm ber_get_string ,
.Nm ber_get_nstring ,
.Nm ber_get_ostring ,
.Nm ber_get_bitstring ,
.Nm ber_add_null ,
.Nm ber_get_null ,
.Nm ber_add_eoc ,
.Nm ber_get_eoc ,
.Nm ber_add_oid ,
.Nm ber_add_noid ,
.Nm ber_add_oidstring ,
.Nm ber_get_oid ,
.Nm ber_oid2ber ,
.Nm ber_string2oid ,
.Nm ber_oid_cmp ,
.Nm ber_printf_elements ,
.Nm ber_scanf_elements ,
.Nm ber_get_writebuf ,
.Nm ber_write_elements ,
.Nm ber_set_readbuf ,
.Nm ber_read_elements ,
.Nm ber_getpos ,
.Nm ber_free_element ,
.Nm ber_free_elements ,
.Nm ber_calc_len ,
.Nm ber_set_application ,
.Nm ber_set_writecallback ,
.Nm ber_free
.Nd encode and decode ASN.1 with Basic Encoding Rules
.Sh SYNOPSIS
.In ber.h
.Ft "struct ber_element *"
.Fn "ber_get_element" "unsigned int encoding"
.Ft "void"
.Fn "ber_set_header" "struct ber_element *elm" "int class" "unsigned int type"
.Ft "void"
.Fn "ber_link_elements" "struct ber_element *prev" "struct ber_element *elm"
.Ft "struct ber_element *"
.Fn "ber_unlink_elements" "struct ber_element *prev"
.Ft "void"
.Fn "ber_replace_elements" "struct ber_element *prev" "struct ber_element *elm"
.Ft "struct ber_element *"
.Fn "ber_add_sequence" "struct ber_element *prev"
.Ft "struct ber_element *"
.Fn "ber_add_set" "struct ber_element *prev"
.Ft "struct ber_element *"
.Fn "ber_add_integer" "struct ber_element *prev" "long long val"
.Ft "int"
.Fn "ber_get_integer" "struct ber_element *root" "long long *val"
.Ft "struct ber_element *"
.Fn "ber_add_enumerated" "struct ber_element *prev" "long long val"
.Ft "int"
.Fn "ber_get_enumerated" "struct ber_element *root" "long long *val"
.Ft "struct ber_element *"
.Fn "ber_add_boolean" "struct ber_element *prev" "int bool"
.Ft "int"
.Fn "ber_get_boolean" "struct ber_element *root" "int *bool"
.Ft "struct ber_element *"
.Fn "ber_add_string" "struct ber_element *prev" "const char *string"
.Ft "struct ber_element *"
.Fn "ber_add_nstring" "struct ber_element *prev" "const char *string" "size_t size"
.Ft "struct ber_element *"
.Fo "ber_add_ostring"
.Fa "struct ber_element *prev"
.Fa "struct ber_octetstring *ostring"
.Fc
.Ft "int"
.Fn "ber_get_string" "struct ber_element *root" "char **charbuf"
.Ft "int"
.Fn "ber_get_nstring" "struct ber_element *root" "void **buf" "size_t *size"
.Ft "int"
.Fn "ber_get_ostring" "struct ber_element *root" "struct ber_octetstring *ostring"
.Ft "struct ber_element *"
.Fo "ber_add_bitstring"
.Fa "struct ber_element *prev"
.Fa "const void *buf"
.Fa "size_t size"
.Fc
.Ft "int"
.Fn "ber_get_bitstring" "struct ber_element *root" "void **buf" "size_t *size"
.Ft "struct ber_element *"
.Fn "ber_add_null" "struct ber_element *prev"
.Ft "int"
.Fn "ber_get_null" "struct ber_element *root"
.Ft "struct ber_element *"
.Fn "ber_add_eoc" "struct ber_element *prev"
.Ft "int"
.Fn "ber_get_eoc" "struct ber_element *root"
.Ft "struct ber_element *"
.Fn "ber_add_oid" "struct ber_element *prev" "struct ber_oid *oid"
.Ft "struct ber_element *"
.Fn "ber_add_noid" "struct ber_element *prev" "struct ber_oid *oid" "int n"
.Ft "struct ber_element *"
.Fn "ber_add_oidstring" "struct ber_element *prev" "const char *string"
.Ft "int"
.Fn "ber_get_oid" "struct ber_element *root" "struct ber_oid *oid"
.Ft "size_t"
.Fn "ber_oid2ber" "struct ber_oid *oid" "u_int8_t *buf" "size_t size"
.Ft "int"
.Fn "ber_string2oid" "const char *string" "struct ber_oid *oid"
.Ft "int"
.Fn "ber_oid_cmp" "struct ber_oid *oid" "struct ber_oid *oid"
.Ft "struct ber_element *"
.Fn "ber_printf_elements" "struct ber_element *prev" "char *format" "..."
.Ft "int"
.Fn "ber_scanf_elements" "struct ber_element *root" "char *format" "..."
.Ft "ssize_t"
.Fn "ber_get_writebuf" "struct ber *ber" "void **buf"
.Ft "ssize_t"
.Fn "ber_write_elements" "struct ber *ber" "struct ber_element *root"
.Ft "void"
.Fn "ber_set_readbuf" "struct ber *ber" "void *buf" "size_t len"
.Ft "struct ber_element *"
.Fn "ber_read_elements" "struct ber *ber" "struct ber_element *root"
.Ft off_t
.Fn "ber_getpos" "struct ber_element *elm"
.Ft "void"
.Fn "ber_free_element" "struct ber_element *root"
.Ft "void"
.Fn "ber_free_elements" "struct ber_element *root"
.Ft "size_t"
.Fn "ber_calc_len" "struct ber_element *root"
.Ft "void"
.Fo "ber_set_application"
.Fa "struct ber *ber"
.Fa "unsigned int (*cb)(struct ber_element *)"
.Fc
.Ft "void"
.Fo "ber_set_writecallback"
.Fa "struct ber_element *elm"
.Fa "void (*cb)(void *arg, size_t offs)"
.Fa "void *arg"
.Fc
.Ft "void"
.Fn "ber_free" "struct ber *ber"
.Sh DESCRIPTION
The
.Nm ber
API provides a mechanism to read and write ASN.1 streams and buffers using the
Basic Encoding Rules.
.Pp
Encoded
.Nm ber
is stored in the following structure:
.Bd -literal
struct ber {
off_t br_offs;
u_char *br_wbuf;
u_char *br_wptr;
u_char *br_wend;
u_char *br_rbuf;
u_char *br_rptr;
u_char *br_rend;
unsigned int (*br_application)(struct ber_element *);
};
.Ed
.Pp
.Fa br_rbuf
and
.Fa br_wbuf
are the read and write buffers for a
.Nm ber
stream.
These buffers are used when reading an existing byte stream (e.g. received from
a TLS connection), or when writing a new byte stream in preparation for
subsequent operations performed by the calling application (e.g. network
transmission or export to a file).
.Pp
Intermediary storage of ber elements during decoding and encoding uses the
following structure:
.Bd -literal
struct ber_element {
struct ber_element *be_next;
unsigned int be_type;
unsigned int be_encoding;
size_t be_len;
off_t be_offs;
int be_free;
u_int8_t be_class;
void (*be_cb)(void *, size_t);
void *be_cbarg;
union {
struct ber_element *bv_sub;
void *bv_val;
long long bv_numeric;
} be_union;
#define be_sub be_union.bv_sub
#define be_val be_union.bv_val
#define be_numeric be_union.bv_numeric
};
.Ed
.Pp
A linked list containing one or more
.Vt ber_element
is created during the decoding and encoding of
.Vt ber .
.Pp
Once the
.Vt ber
and
.Vt ber_element
data structures have been declared,
.Fn ber_set_readbuf
may be called to initialize
.Fa br_rbuf
in preparation for decoding.
It is assumed that a pointer to a ber byte stream is already available to the
application, commonly obtained by
.Xr read 2 ,
.Xr recv 2 ,
or
.Xr tls_read 3 .
.Fn ber_read_elements
may then be called to parse, validate, and store the data stream into its
consituent parts for subsequent processing.
.Fn ber_read_elements
returns a pointer to a fully populated list of one or more
.Vt ber_element ,
or
.Dv NULL
on a type mismatch or read error.
.Pp
The calling application must have explicit knowledge of the expected data
types in order for correct decoding.
.Fn ber_scanf_elements
may be called to extract
.Vt ber_element
content into local variables.
The
.Fn ber_get_*
functions extract the value of a single
.Vt ber_element
instance.
.Fn ber_scanf_elements
and the
.Fn ber_get_*
functions return 0 on success and -1 on failure.
.Pp
The first step when creating new ber is to populate
.Vt ber_element
with the desired content.
This may be achieved using the
.Fn ber_add_*
and
.Fn ber_printf_elements
functions, each of which return a pointer to
.Vt ber_element
on success or
.Dv NULL
on failure.
.Pp
Once
.Vt ber_element
has been fully populated,
.Fn ber_get_writebuf
may be used to initialize
.Fa br_wbuf
for writing.
.Fn ber_write_elements
encodes
.Vt ber_element
into a compliant
.Nm ber
byte stream for subsequent use by the calling application, most commonly using
.Xr send 2 ,
.Xr write 2 ,
or
.Xr tls_write 3 .
.Sh I/O OPERATIONS
.Fn ber_get_writebuf ,
.Fn ber_write_elements ,
.Fn ber_set_readbuf ,
.Fn ber_read_elements ,
.Fn ber_getpos ,
.Fn ber_free_element ,
.Fn ber_free_elements ,
.Fn ber_set_application ,
.Fn ber_set_writecallback ,
.Fn ber_free
.Sh BER ELEMENTS
.Fn ber_get_element ,
.Fn ber_set_header ,
.Fn ber_link_elements ,
.Fn ber_unlink_elements ,
.Fn ber_replace_elements ,
.Fn ber_calc_len
.Sh BER TYPES
.Fn ber_add_sequence ,
.Fn ber_add_set ,
.Fn ber_add_integer ,
.Fn ber_get_integer ,
.Fn ber_add_enumerated ,
.Fn ber_get_enumerated ,
.Fn ber_add_boolean ,
.Fn ber_get_boolean ,
.Fn ber_add_string ,
.Fn ber_add_nstring ,
.Fn ber_add_ostring ,
.Fn ber_add_bitstring ,
.Fn ber_get_string ,
.Fn ber_get_nstring ,
.Fn ber_get_ostring ,
.Fn ber_get_bitstring ,
.Fn ber_add_null ,
.Fn ber_get_null ,
.Fn ber_add_eoc ,
.Fn ber_get_eoc
.Sh FORMAT STRINGS
.Fn ber_printf_elements ,
.Fn ber_scanf_elements
.Sh OBJECT IDS
Object Identifiers are commonly used in ASN.1-based protocols.
These functions provide an interface to parse OIDs.
For internal representation of OIDs, the following structure
.Vt struct ber_oid
is being used:
.Bd -literal
#define BER_MIN_OID_LEN 2
#define BER_MAX_OID_LEN 32
struct ber_oid {
u_int32_t bo_id[BER_MAX_OID_LEN + 1];
size_t bo_n;
};
.Ed
.Pp
.Fn ber_add_oid ,
.Fn ber_add_noid ,
.Fn ber_add_oidstring ,
.Fn ber_get_oid ,
.Fn ber_oid2ber ,
.Fn ber_string2oid
.Fn ber_oid_cmp ,
.Sh RETURN VALUES
Upon successful completion
.Fn ber_get_integer ,
.Fn ber_get_enumerated ,
.Fn ber_get_boolean ,
.Fn ber_get_string ,
.Fn ber_get_nstring ,
.Fn ber_get_ostring ,
.Fn ber_get_bitstring ,
.Fn ber_get_null ,
.Fn ber_get_eoc ,
.Fn ber_get_oid ,
.Fn ber_string2oid
and
.Fn ber_scanf_elements
return 0, while
.Fn ber_write_elements
returns the number of bytes written.
Otherwise, \-1 is returned and the global variable errno is
set to indicate the error.
.Sh SEE ALSO
.Xr read 2 ,
.Xr recv 2 ,
.Xr send 2 ,
.Xr write 2 ,
.Xr tls_read 3
.Sh STANDARDS
ITU-T Recommendation X.690, also known as ISO/IEC 8825-1:
Information technology - ASN.1 encoding rules.
.Sh HISTORY
The
.Nm ber
manpage first appeared in
.Ox 4.3 .
.Sh AUTHORS
.An -nosplit
The
.Nm ber
library was written by
.An Claudio Jeker Aq Mt claudio@openbsd.org ,
.An Marc Balmer Aq Mt marc@openbsd.org
and
.An Reyk Floeter Aq Mt reyk@openbsd.org .
.Sh CAVEATS
The
.Nm ber
API is subject to the following restrictions which are common to the
Distinguished Encoding Rules as defined by X.690:
.Pp
.Bl -enum -compact
.It
Only the definite form of length encoding shall be used, encoded in the
minimum number of octets.
.It
For bitstring, octetstring and restricted character string types, the
constructed form of encoding shall not be used.
.It
If a boolean encoding represents the boolean value TRUE, its single contents
octet shall have all eight bits set to one.
.It
Each unused bit in the final octet of the encoding of a bit string value shall
be set to zero.
.It
If a bitstring value has no 1 bits, then an encoder shall encode the value with
a length of 1 and an initial octet set to 0.
.El
.Pp
In addition, set and sequence values are limited to a maximum of 65535 elements.
No alternative encodings are permitted.
.Pp
.Do
Whereas the basic encoding rules give the sender of an encoding various choices
as to how data values may be encoded, the canonical and distinguished encoding
rules select just one encoding from those allowed by the basic encoding rules.
.Dc
.Bq X.690
.Pp
The restrictions placed on this API avoid the ambiguity inherent in
.Nm ber
encoded ASN.1 thereby acting as a security mitigation.
.Sh BUGS
This manpage is a stub.

+ 1328
- 0
src/lib/libutil/ber.c
File diff suppressed because it is too large
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+ 152
- 0
src/lib/libutil/ber.h View File

@ -0,0 +1,152 @@
/* $OpenBSD: ber.h,v 1.1 2019/05/11 17:46:02 rob Exp $ */
/*
* Copyright (c) 2007, 2012 Reyk Floeter <reyk@openbsd.org>
* Copyright (c) 2006, 2007 Claudio Jeker <claudio@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _BER_H
#define _BER_H
struct ber_octetstring {
size_t ostr_len;
const void *ostr_val;
};
struct ber_element {
struct ber_element *be_next;
unsigned int be_type;
unsigned int be_encoding;
size_t be_len;
off_t be_offs;
int be_free;
u_int8_t be_class;
void (*be_cb)(void *, size_t);
void *be_cbarg;
union {
struct ber_element *bv_sub;
void *bv_val;
long long bv_numeric;
} be_union;
#define be_sub be_union.bv_sub
#define be_val be_union.bv_val
#define be_numeric be_union.bv_numeric
};
struct ber {
off_t br_offs;
u_char *br_wbuf;
u_char *br_wptr;
u_char *br_wend;
u_char *br_rbuf;
u_char *br_rptr;
u_char *br_rend;
unsigned int (*br_application)(struct ber_element *);
};
/* well-known ber_element types */
#define BER_TYPE_DEFAULT ((unsigned int)-1)
#define BER_TYPE_EOC 0
#define BER_TYPE_BOOLEAN 1
#define BER_TYPE_INTEGER 2
#define BER_TYPE_BITSTRING 3
#define BER_TYPE_OCTETSTRING 4
#define BER_TYPE_NULL 5
#define BER_TYPE_OBJECT 6
#define BER_TYPE_ENUMERATED 10
#define BER_TYPE_SEQUENCE 16
#define BER_TYPE_SET 17
/* ber classes */
#define BER_CLASS_UNIVERSAL 0x0
#define BER_CLASS_UNIV BER_CLASS_UNIVERSAL
#define BER_CLASS_APPLICATION 0x1
#define BER_CLASS_APP BER_CLASS_APPLICATION
#define BER_CLASS_CONTEXT 0x2
#define BER_CLASS_PRIVATE 0x3
#define BER_CLASS_MASK 0x3
/* common definitions */
#define BER_MIN_OID_LEN 2 /* OBJECT */
#define BER_MAX_OID_LEN 32 /* OBJECT */
#define BER_MAX_SEQ_ELEMENTS USHRT_MAX /* 65535 */
struct ber_oid {
u_int32_t bo_id[BER_MAX_OID_LEN + 1];
size_t bo_n;
};
__BEGIN_DECLS
struct ber_element *ber_get_element(unsigned int);
void ber_set_header(struct ber_element *, int,
unsigned int);
void ber_link_elements(struct ber_element *,
struct ber_element *);
struct ber_element *ber_unlink_elements(struct ber_element *);
void ber_replace_elements(struct ber_element *,
struct ber_element *);
struct ber_element *ber_add_sequence(struct ber_element *);
struct ber_element *ber_add_set(struct ber_element *);
struct ber_element *ber_add_integer(struct ber_element *, long long);
int ber_get_integer(struct ber_element *, long long *);
struct ber_element *ber_add_enumerated(struct ber_element *, long long);
int ber_get_enumerated(struct ber_element *, long long *);
struct ber_element *ber_add_boolean(struct ber_element *, int);
int ber_get_boolean(struct ber_element *, int *);
struct ber_element *ber_add_string(struct ber_element *, const char *);
struct ber_element *ber_add_nstring(struct ber_element *, const char *,
size_t);
struct ber_element *ber_add_ostring(struct ber_element *,
struct ber_octetstring *);
int ber_get_string(struct ber_element *, char **);
int ber_get_nstring(struct ber_element *, void **,
size_t *);
int ber_get_ostring(struct ber_element *,
struct ber_octetstring *);
struct ber_element *ber_add_bitstring(struct ber_element *, const void *,
size_t);
int ber_get_bitstring(struct ber_element *, void **,
size_t *);
struct ber_element *ber_add_null(struct ber_element *);
int ber_get_null(struct ber_element *);
struct ber_element *ber_add_eoc(struct ber_element *);
int ber_get_eoc(struct ber_element *);
struct ber_element *ber_add_oid(struct ber_element *, struct ber_oid *);
struct ber_element *ber_add_noid(struct ber_element *, struct ber_oid *, int);
struct ber_element *ber_add_oidstring(struct ber_element *, const char *);
int ber_get_oid(struct ber_element *, struct ber_oid *);
size_t ber_oid2ber(struct ber_oid *, u_int8_t *, size_t);
int ber_string2oid(const char *, struct ber_oid *);
struct ber_element *ber_printf_elements(struct ber_element *, char *, ...);
int ber_scanf_elements(struct ber_element *, char *, ...);
ssize_t ber_get_writebuf(struct ber *, void **);
ssize_t ber_write_elements(struct ber *, struct ber_element *);
void ber_set_readbuf(struct ber *, void *, size_t);
struct ber_element *ber_read_elements(struct ber *, struct ber_element *);
off_t ber_getpos(struct ber_element *);
void ber_free_element(struct ber_element *);
void ber_free_elements(struct ber_element *);
size_t ber_calc_len(struct ber_element *);
void ber_set_application(struct ber *,
unsigned int (*)(struct ber_element *));
void ber_set_writecallback(struct ber_element *,
void (*)(void *, size_t), void *);
void ber_free(struct ber *);
int ber_oid_cmp(struct ber_oid *, struct ber_oid *);
__END_DECLS
#endif /* _BER_H */

+ 1
- 1
src/lib/libutil/shlib_version View File

@ -1,2 +1,2 @@
major=13 major=13
minor=0
minor=1

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