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Annotation of src/usr.bin/ssh/sshconnect.h, Revision 1.31

1.31    ! djm         1: /* $OpenBSD: sshconnect.h,v 1.30 2017/05/30 08:52:19 markus Exp $ */
1.5       niklas      2:
1.2       deraadt     3: /*
                      4:  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
                      5:  *
                      6:  * Redistribution and use in source and binary forms, with or without
                      7:  * modification, are permitted provided that the following conditions
                      8:  * are met:
                      9:  * 1. Redistributions of source code must retain the above copyright
                     10:  *    notice, this list of conditions and the following disclaimer.
                     11:  * 2. Redistributions in binary form must reproduce the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer in the
                     13:  *    documentation and/or other materials provided with the distribution.
                     14:  *
                     15:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     16:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     17:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     18:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     19:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     20:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     21:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     22:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     23:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     24:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     25:  */
1.9       markus     26:
1.14      markus     27: typedef struct Sensitive Sensitive;
                     28: struct Sensitive {
1.30      markus     29:        struct sshkey   **keys;
                     30:        int             nkeys;
                     31:        int             external_keysign;
1.14      markus     32: };
                     33:
1.28      djm        34: struct addrinfo;
1.31    ! djm        35: struct ssh;
        !            36:
        !            37: int     ssh_connect(struct ssh *, const char *, struct addrinfo *,
        !            38:            struct sockaddr_storage *, u_short, int, int, int *, int, int);
1.26      djm        39: void    ssh_kill_proxy_command(void);
1.4       markus     40:
1.27      djm        41: void    ssh_login(Sensitive *, const char *, struct sockaddr *, u_short,
                     42:     struct passwd *, int);
1.25      andreas    43:
                     44: void    ssh_exchange_identification(int);
1.1       markus     45:
1.30      markus     46: int     verify_host_key(char *, struct sockaddr *, struct sshkey *);
1.1       markus     47:
1.27      djm        48: void    get_hostfile_hostname_ipaddr(char *, struct sockaddr *, u_short,
                     49:     char **, char **);
                     50:
1.12      markus     51: void    ssh_kex(char *, struct sockaddr *);
1.27      djm        52: void    ssh_kex2(char *, struct sockaddr *, u_short);
1.9       markus     53:
1.14      markus     54: void    ssh_userauth1(const char *, const char *, char *, Sensitive *);
                     55: void    ssh_userauth2(const char *, const char *, char *, Sensitive *);
1.6       markus     56:
1.12      markus     57: void    ssh_put_password(char *);
1.18      reyk       58: int     ssh_local_cmd(const char *);
1.29      jcs        59:
1.30      markus     60: void    maybe_add_key_to_agent(char *, struct sshkey *, char *, char *);
1.16      markus     61:
                     62: /*
                     63:  * Macros to raise/lower permissions.
                     64:  */
1.20      markus     65: #define PRIV_START do {                                        \
                     66:        int save_errno = errno;                         \
                     67:        if (seteuid(original_effective_uid) != 0)       \
                     68:                fatal("PRIV_START: seteuid: %s",        \
                     69:                    strerror(errno));                   \
                     70:        errno = save_errno;                             \
1.16      markus     71: } while (0)
                     72:
1.20      markus     73: #define PRIV_END do {                                  \
                     74:        int save_errno = errno;                         \
                     75:        if (seteuid(original_real_uid) != 0)            \
                     76:                fatal("PRIV_END: seteuid: %s",          \
                     77:                    strerror(errno));                   \
                     78:        errno = save_errno;                             \
1.16      markus     79: } while (0)