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Annotation of src/usr.bin/ssh/buffer.h, Revision 1.25

1.25    ! djm         1: /* $OpenBSD: buffer.h,v 1.24 2014/04/28 03:09:18 djm Exp $ */
1.11      stevesk     2:
1.1       deraadt     3: /*
1.25    ! djm         4:  * Copyright (c) 2012 Damien Miller <djm@mindrot.org>
1.4       markus      5:  *
1.25    ! djm         6:  * Permission to use, copy, modify, and distribute this software for any
        !             7:  * purpose with or without fee is hereby granted, provided that the above
        !             8:  * copyright notice and this permission notice appear in all copies.
        !             9:  *
        !            10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
        !            11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
        !            12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
        !            13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
        !            14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
        !            15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
        !            16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.2       deraadt    17:  */
1.1       deraadt    18:
1.25    ! djm        19: /* Emulation wrappers for legacy OpenSSH buffer API atop sshbuf */
        !            20:
1.1       deraadt    21: #ifndef BUFFER_H
                     22: #define BUFFER_H
                     23:
1.25    ! djm        24: #include "sshbuf.h"
        !            25:
        !            26: typedef struct sshbuf Buffer;
1.1       deraadt    27:
1.25    ! djm        28: #define buffer_init(b)         sshbuf_init(b)
        !            29: #define buffer_clear(b)                sshbuf_reset(b)
        !            30: #define buffer_free(b)         sshbuf_free(b)
        !            31: #define buffer_dump(b)         sshbuf_dump(b, stderr)
        !            32:
        !            33: /* XXX cast is safe: sshbuf never stores more than len 2^31 */
        !            34: #define buffer_len(b)          ((u_int) sshbuf_len(b))
        !            35: #define        buffer_ptr(b)           sshbuf_mutable_ptr(b)
1.9       markus     36:
1.10      stevesk    37: void    buffer_append(Buffer *, const void *, u_int);
                     38: void   *buffer_append_space(Buffer *, u_int);
1.15      djm        39: int     buffer_check_alloc(Buffer *, u_int);
1.10      stevesk    40: void    buffer_get(Buffer *, void *, u_int);
1.9       markus     41:
                     42: void    buffer_consume(Buffer *, u_int);
                     43: void    buffer_consume_end(Buffer *, u_int);
                     44:
1.12      djm        45:
                     46: int     buffer_get_ret(Buffer *, void *, u_int);
                     47: int     buffer_consume_ret(Buffer *, u_int);
                     48: int     buffer_consume_end_ret(Buffer *, u_int);
1.16      deraadt    49:
                     50: void    buffer_put_bignum(Buffer *, const BIGNUM *);
                     51: void    buffer_put_bignum2(Buffer *, const BIGNUM *);
                     52: void   buffer_get_bignum(Buffer *, BIGNUM *);
                     53: void   buffer_get_bignum2(Buffer *, BIGNUM *);
1.25    ! djm        54: void   buffer_put_bignum2_from_string(Buffer *, const u_char *, u_int);
1.16      deraadt    55:
                     56: u_short        buffer_get_short(Buffer *);
                     57: void   buffer_put_short(Buffer *, u_short);
                     58:
                     59: u_int  buffer_get_int(Buffer *);
                     60: void    buffer_put_int(Buffer *, u_int);
                     61:
                     62: u_int64_t buffer_get_int64(Buffer *);
                     63: void   buffer_put_int64(Buffer *, u_int64_t);
                     64:
                     65: int     buffer_get_char(Buffer *);
                     66: void    buffer_put_char(Buffer *, int);
                     67:
                     68: void   *buffer_get_string(Buffer *, u_int *);
1.24      djm        69: const void *buffer_get_string_ptr(Buffer *, u_int *);
1.16      deraadt    70: void    buffer_put_string(Buffer *, const void *, u_int);
1.20      djm        71: char   *buffer_get_cstring(Buffer *, u_int *);
1.16      deraadt    72: void   buffer_put_cstring(Buffer *, const char *);
                     73:
1.25    ! djm        74: #define buffer_skip_string(b) (void)buffer_get_string_ptr(b, NULL);
1.16      deraadt    75:
                     76: int    buffer_put_bignum_ret(Buffer *, const BIGNUM *);
                     77: int    buffer_get_bignum_ret(Buffer *, BIGNUM *);
                     78: int    buffer_put_bignum2_ret(Buffer *, const BIGNUM *);
                     79: int    buffer_get_bignum2_ret(Buffer *, BIGNUM *);
                     80: int    buffer_get_short_ret(u_short *, Buffer *);
                     81: int    buffer_get_int_ret(u_int *, Buffer *);
                     82: int    buffer_get_int64_ret(u_int64_t *, Buffer *);
                     83: void   *buffer_get_string_ret(Buffer *, u_int *);
1.20      djm        84: char   *buffer_get_cstring_ret(Buffer *, u_int *);
1.24      djm        85: const void *buffer_get_string_ptr_ret(Buffer *, u_int *);
1.25    ! djm        86: int    buffer_get_char_ret(char *, Buffer *);
1.21      djm        87:
                     88: int    buffer_put_ecpoint_ret(Buffer *, const EC_GROUP *, const EC_POINT *);
                     89: void   buffer_put_ecpoint(Buffer *, const EC_GROUP *, const EC_POINT *);
                     90: int    buffer_get_ecpoint_ret(Buffer *, const EC_GROUP *, EC_POINT *);
                     91: void   buffer_get_ecpoint(Buffer *, const EC_GROUP *, EC_POINT *);
1.1       deraadt    92:
1.25    ! djm        93: #endif /* BUFFER_H */
        !            94: