crypto/openssh-4/misc.h

   1 /*      $OpenBSD: misc.h,v 1.29 2006/01/31 10:19:02 djm Exp $   */
   2
   3 /*
   4  * Author: Tatu Ylonen <ylo@cs.hut.fi>
   5  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
   6  *                    All rights reserved
   7  *
   8  * As far as I am concerned, the code I have written for this software
   9  * can be used freely for any purpose.  Any derived versions of this
  10  * software must be clearly marked as such, and if the derived work is
  11  * incompatible with the protocol description in the RFC file, it must be
  12  * called by a name other than "ssh" or "Secure Shell".
  13  */
  14
  15 /* misc.c */
  16
  17 char    *chop(char *);
  18 char    *strdelim(char **);
  19 int      set_nonblock(int);
  20 int      unset_nonblock(int);
  21 void     set_nodelay(int);
  22 int      a2port(const char *);
  23 int      a2tun(const char *, int *);
  24 char    *hpdelim(char **);
  25 char    *cleanhostname(char *);
  26 char    *colon(char *);
  27 long     convtime(const char *);
  28 char    *tilde_expand_filename(const char *, uid_t);
  29 char    *percent_expand(const char *, ...) __attribute__((__sentinel__));
  30 char    *tohex(const u_char *, u_int);
  31 void     sanitise_stdfd(void);
  32
  33 struct passwd *pwcopy(struct passwd *);
  34
  35 typedef struct arglist arglist;
  36 struct arglist {
  37         char    **list;
  38         u_int   num;
  39         u_int   nalloc;
  40 };
  41 void     addargs(arglist *, char *, ...)
  42              __attribute__((format(printf, 2, 3)));
  43 void     replacearg(arglist *, u_int, char *, ...)
  44              __attribute__((format(printf, 3, 4)));
  45 void     freeargs(arglist *);
  46
  47 /* readpass.c */
  48
  49 #define RP_ECHO                 0x0001
  50 #define RP_ALLOW_STDIN          0x0002
  51 #define RP_ALLOW_EOF            0x0004
  52 #define RP_USE_ASKPASS          0x0008
  53
  54 char    *read_passphrase(const char *, int);
  55 int      ask_permission(const char *, ...) __attribute__((format(printf, 1, 2)));
  56 int      read_keyfile_line(FILE *, const char *, char *, size_t, u_long *);
  57
  58 int      tun_open(int, int);
  59
  60 /* Common definitions for ssh tunnel device forwarding */
  61 #define SSH_TUNMODE_NO          0x00
  62 #define SSH_TUNMODE_POINTOPOINT 0x01
  63 #define SSH_TUNMODE_ETHERNET    0x02
  64 #define SSH_TUNMODE_DEFAULT     SSH_TUNMODE_POINTOPOINT
  65 #define SSH_TUNMODE_YES         (SSH_TUNMODE_POINTOPOINT|SSH_TUNMODE_ETHERNET)
  66
  67 #define SSH_TUNID_ANY           0x7fffffff
  68 #define SSH_TUNID_ERR           (SSH_TUNID_ANY - 1)
  69 #define SSH_TUNID_MAX           (SSH_TUNID_ANY - 2)