Annotation of src/usr.bin/ssh/bufaux.h, Revision 1.6.2.4
1.1 deraadt 1: /*
1.3 deraadt 2: * Author: Tatu Ylonen <ylo@cs.hut.fi>
3: * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
4: * All rights reserved
1.6 markus 5: *
1.6.2.2 jason 6: * As far as I am concerned, the code I have written for this software
7: * can be used freely for any purpose. Any derived versions of this
8: * software must be clearly marked as such, and if the derived work is
9: * incompatible with the protocol description in the RFC file, it must be
10: * called by a name other than "ssh" or "Secure Shell".
1.3 deraadt 11: */
1.1 deraadt 12:
1.6.2.3 jason 13: /* RCSID("$OpenBSD: bufaux.h,v 1.11 2001/01/21 19:05:45 markus Exp $"); */
1.1 deraadt 14:
15: #ifndef BUFAUX_H
16: #define BUFAUX_H
17:
18: #include "buffer.h"
1.6.2.3 jason 19: #include <openssl/bn.h>
1.1 deraadt 20:
1.4 markus 21: /*
22: * Stores an BIGNUM in the buffer with a 2-byte msb first bit count, followed
23: * by (bits+7)/8 bytes of binary data, msb first.
24: */
1.3 deraadt 25: void buffer_put_bignum(Buffer * buffer, BIGNUM * value);
1.5 markus 26: void buffer_put_bignum2(Buffer * buffer, BIGNUM * value);
1.1 deraadt 27:
1.2 provos 28: /* Retrieves an BIGNUM from the buffer. */
1.3 deraadt 29: int buffer_get_bignum(Buffer * buffer, BIGNUM * value);
1.5 markus 30: int buffer_get_bignum2(Buffer *buffer, BIGNUM * value);
1.1 deraadt 31:
32: /* Returns an integer from the buffer (4 bytes, msb first). */
1.6.2.3 jason 33: u_int buffer_get_int(Buffer * buffer);
34: u_int64_t buffer_get_int64(Buffer *buffer);
1.1 deraadt 35:
36: /* Stores an integer in the buffer in 4 bytes, msb first. */
1.6.2.3 jason 37: void buffer_put_int(Buffer * buffer, u_int value);
38: void buffer_put_int64(Buffer *buffer, u_int64_t value);
1.1 deraadt 39:
40: /* Returns a character from the buffer (0 - 255). */
1.3 deraadt 41: int buffer_get_char(Buffer * buffer);
1.1 deraadt 42:
43: /* Stores a character in the buffer. */
1.3 deraadt 44: void buffer_put_char(Buffer * buffer, int value);
1.1 deraadt 45:
1.4 markus 46: /*
47: * Returns an arbitrary binary string from the buffer. The string cannot be
48: * longer than 256k. The returned value points to memory allocated with
49: * xmalloc; it is the responsibility of the calling function to free the
50: * data. If length_ptr is non-NULL, the length of the returned data will be
51: * stored there. A null character will be automatically appended to the
52: * returned string, and is not counted in length.
53: */
1.6.2.3 jason 54: char *buffer_get_string(Buffer * buffer, u_int *length_ptr);
1.1 deraadt 55:
56: /* Stores and arbitrary binary string in the buffer. */
1.6.2.3 jason 57: void buffer_put_string(Buffer * buffer, const void *buf, u_int len);
1.5 markus 58: void buffer_put_cstring(Buffer *buffer, const char *s);
1.1 deraadt 59:
1.3 deraadt 60: #endif /* BUFAUX_H */