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Annotation of src/crypto/external/bsd/openssh/dist/misc.h, Revision 1.1.1.7

1.1.1.7 ! christos    1: /* $OpenBSD: misc.h,v 1.57 2016/07/15 00:24:30 djm Exp $ */
1.1       christos    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: #ifndef _MISC_H
                     16: #define _MISC_H
                     17:
1.1.1.6   christos   18: /* Data structure for representing a forwarding request. */
                     19: struct Forward {
                     20:        char     *listen_host;          /* Host (address) to listen on. */
                     21:        int       listen_port;          /* Port to forward. */
                     22:        char     *listen_path;          /* Path to bind domain socket. */
                     23:        char     *connect_host;         /* Host to connect. */
                     24:        int       connect_port;         /* Port to connect on connect_host. */
                     25:        char     *connect_path;         /* Path to connect domain socket. */
                     26:        int       allocated_port;       /* Dynamically allocated listen port */
                     27:        int       handle;               /* Handle for dynamic listen ports */
                     28: };
                     29:
1.1.1.7 ! christos   30: int forward_equals(const struct Forward *, const struct Forward *);
        !            31:
1.1.1.6   christos   32: /* Common server and client forwarding options. */
                     33: struct ForwardOptions {
                     34:        int      gateway_ports; /* Allow remote connects to forwarded ports. */
                     35:        mode_t   streamlocal_bind_mask; /* umask for streamlocal binds */
                     36:        int      streamlocal_bind_unlink; /* unlink socket before bind */
                     37: };
                     38:
1.1       christos   39: /* misc.c */
                     40:
                     41: char   *chop(char *);
                     42: char   *strdelim(char **);
                     43: int     set_nonblock(int);
                     44: int     unset_nonblock(int);
                     45: void    set_nodelay(int);
                     46: int     a2port(const char *);
                     47: int     a2tun(const char *, int *);
                     48: char   *put_host_port(const char *, u_short);
                     49: char   *hpdelim(char **);
                     50: char   *cleanhostname(char *);
                     51: char   *colon(char *);
1.1.1.7 ! christos   52: int     parse_user_host_port(const char *, char **, char **, int *);
1.1       christos   53: long    convtime(const char *);
                     54: char   *tilde_expand_filename(const char *, uid_t);
                     55: char   *percent_expand(const char *, ...) __attribute__((__sentinel__));
                     56: char   *tohex(const void *, size_t);
                     57: void    sanitise_stdfd(void);
                     58: void    ms_subtract_diff(struct timeval *, int *);
                     59: void    ms_to_timeval(struct timeval *, int);
1.1.1.5   christos   60: time_t  monotime(void);
1.1.1.7 ! christos   61: double  monotime_double(void);
1.1.1.6   christos   62: void    lowercase(char *s);
                     63: int     unix_listener(const char *, int, int);
1.1       christos   64:
                     65: struct passwd *pwcopy(struct passwd *);
                     66: const char *ssh_gai_strerror(int);
                     67:
                     68: typedef struct arglist arglist;
                     69: struct arglist {
                     70:        char    **list;
                     71:        u_int   num;
                     72:        u_int   nalloc;
                     73: };
                     74: void    addargs(arglist *, char *, ...)
                     75:             __attribute__((format(printf, 2, 3)));
                     76: void    replacearg(arglist *, u_int, char *, ...)
                     77:             __attribute__((format(printf, 3, 4)));
                     78: void    freeargs(arglist *);
                     79:
                     80: int     tun_open(int, int);
                     81:
                     82: /* Common definitions for ssh tunnel device forwarding */
                     83: #define SSH_TUNMODE_NO         0x00
                     84: #define SSH_TUNMODE_POINTOPOINT        0x01
                     85: #define SSH_TUNMODE_ETHERNET   0x02
                     86: #define SSH_TUNMODE_DEFAULT    SSH_TUNMODE_POINTOPOINT
                     87: #define SSH_TUNMODE_YES                (SSH_TUNMODE_POINTOPOINT|SSH_TUNMODE_ETHERNET)
                     88:
                     89: #define SSH_TUNID_ANY          0x7fffffff
                     90: #define SSH_TUNID_ERR          (SSH_TUNID_ANY - 1)
                     91: #define SSH_TUNID_MAX          (SSH_TUNID_ANY - 2)
                     92:
1.1.1.6   christos   93: /* Fake port to indicate that host field is really a path. */
                     94: #define PORT_STREAMLOCAL       -2
                     95:
1.1       christos   96: /* Functions to extract or store big-endian words of various sizes */
                     97: u_int64_t      get_u64(const void *)
                     98:     __attribute__((__bounded__( __minbytes__, 1, 8)));
                     99: u_int32_t      get_u32(const void *)
                    100:     __attribute__((__bounded__( __minbytes__, 1, 4)));
                    101: u_int16_t      get_u16(const void *)
                    102:     __attribute__((__bounded__( __minbytes__, 1, 2)));
                    103: void           put_u64(void *, u_int64_t)
                    104:     __attribute__((__bounded__( __minbytes__, 1, 8)));
                    105: void           put_u32(void *, u_int32_t)
                    106:     __attribute__((__bounded__( __minbytes__, 1, 4)));
                    107: void           put_u16(void *, u_int16_t)
                    108:     __attribute__((__bounded__( __minbytes__, 1, 2)));
                    109:
1.1.1.6   christos  110: /* Little-endian store/load, used by umac.c */
                    111: u_int32_t      get_u32_le(const void *)
                    112:     __attribute__((__bounded__(__minbytes__, 1, 4)));
                    113: void           put_u32_le(void *, u_int32_t)
                    114:     __attribute__((__bounded__(__minbytes__, 1, 4)));
                    115:
1.1.1.3   christos  116: struct bwlimit {
                    117:        size_t buflen;
                    118:        u_int64_t rate, thresh, lamt;
                    119:        struct timeval bwstart, bwend;
                    120: };
                    121:
                    122: void bandwidth_limit_init(struct bwlimit *, u_int64_t, size_t);
                    123: void bandwidth_limit(struct bwlimit *, size_t);
                    124:
                    125: int parse_ipqos(const char *);
1.1.1.4   christos  126: const char *iptos2str(int);
1.1.1.3   christos  127: void mktemp_proto(char *, size_t);
1.1       christos  128:
                    129: /* readpass.c */
                    130:
                    131: #define RP_ECHO                        0x0001
                    132: #define RP_ALLOW_STDIN         0x0002
                    133: #define RP_ALLOW_EOF           0x0004
                    134: #define RP_USE_ASKPASS         0x0008
                    135:
                    136: char   *read_passphrase(const char *, int);
                    137: int     ask_permission(const char *, ...) __attribute__((format(printf, 1, 2)));
                    138: int     read_keyfile_line(FILE *, const char *, char *, size_t, u_long *);
                    139:
                    140: #endif /* _MISC_H */

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