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17663b6a7c
It was mixed-up if hostname is IPv6 address, and reporting separate values (like port) on separate lines fits better into key-value style of 'show protocols all' output. Also, the patch simplifies transport identification formatting (although it is unused now). Thanks to Alarig Le Lay for the suggestion.
76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
/*
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* BIRD -- An implementation of the SSH protocol for the RPKI transport
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*
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* (c) 2015 CZ.NIC
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* (c) 2015 Pavel Tvrdik <pawel.tvrdik@gmail.com>
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*
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* This file was a part of RTRlib: http://rpki.realmv6.org/
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* This transport implementation uses libssh (http://www.libssh.org/)
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/time.h>
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#include "rpki.h"
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#if HAVE_LIBSSH
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static int
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rpki_tr_ssh_open(struct rpki_tr_sock *tr)
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{
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struct rpki_cache *cache = tr->cache;
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struct rpki_config *cf = (void *) cache->p->p.cf;
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struct rpki_tr_ssh_config *ssh_cf = (void *) cf->tr_config.spec;
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sock *sk = tr->sk;
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sk->type = SK_SSH_ACTIVE;
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sk->ssh = mb_allocz(sk->pool, sizeof(struct ssh_sock));
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sk->ssh->username = ssh_cf->user;
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sk->ssh->client_privkey_path = ssh_cf->bird_private_key;
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sk->ssh->server_hostkey_path = ssh_cf->cache_public_key;
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sk->ssh->subsystem = "rpki-rtr";
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sk->ssh->state = SK_SSH_CONNECT;
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if (sk_open(sk) != 0)
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return RPKI_TR_ERROR;
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return RPKI_TR_SUCCESS;
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}
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static const char *
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rpki_tr_ssh_ident(struct rpki_tr_sock *tr)
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{
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struct rpki_cache *cache = tr->cache;
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struct rpki_config *cf = (void *) cache->p->p.cf;
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struct rpki_tr_ssh_config *ssh_cf = (void *) cf->tr_config.spec;
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const char *username = ssh_cf->user;
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if (tr->ident != NULL)
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return tr->ident;
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/* Length: <user> + '@' + <host> + ' port ' + <port> + '\0' */
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size_t len = strlen(username) + 1 + strlen(cf->hostname) + 1 + 5 + 1;
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char *ident = mb_alloc(cache->pool, len);
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bsnprintf(ident, len, "%s@%s:%u", username, cf->hostname, cf->port);
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tr->ident = ident;
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return tr->ident;
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}
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/**
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* rpki_tr_ssh_init - initializes the RPKI transport structure for a SSH connection
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* @tr: allocated RPKI transport structure
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*/
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void
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rpki_tr_ssh_init(struct rpki_tr_sock *tr)
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{
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tr->open_fp = &rpki_tr_ssh_open;
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tr->ident_fp = &rpki_tr_ssh_ident;
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}
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#endif
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