Annotation of embedaddon/bird2/proto/rpki/tcp_transport.c, revision 1.1.1.1
1.1 misho 1: /*
2: * BIRD -- An implementation of the TCP protocol for the RPKI protocol transport
3: *
4: * (c) 2015 CZ.NIC
5: * (c) 2015 Pavel Tvrdik <pawel.tvrdik@gmail.com>
6: *
7: * This file was a part of RTRlib: http://rpki.realmv6.org/
8: *
9: * Can be freely distributed and used under the terms of the GNU GPL.
10: */
11:
12: #include <errno.h>
13: #include <netdb.h>
14: #include <stdio.h>
15: #include <stdlib.h>
16: #include <string.h>
17: #include <sys/socket.h>
18: #include <sys/types.h>
19: #include <unistd.h>
20:
21: #include "rpki.h"
22: #include "sysdep/unix/unix.h"
23:
24: static int
25: rpki_tr_tcp_open(struct rpki_tr_sock *tr)
26: {
27: sock *sk = tr->sk;
28:
29: sk->type = SK_TCP_ACTIVE;
30:
31: if (sk_open(sk) != 0)
32: return RPKI_TR_ERROR;
33:
34: return RPKI_TR_SUCCESS;
35: }
36:
37: static const char *
38: rpki_tr_tcp_ident(struct rpki_tr_sock *tr)
39: {
40: struct rpki_cache *cache = tr->cache;
41: struct rpki_config *cf = (void *) cache->p->p.cf;
42:
43: if (tr->ident != NULL)
44: return tr->ident;
45:
46: const char *host = cf->hostname;
47: ip_addr ip = cf->ip;
48: u16 port = cf->port;
49:
50: size_t colon_and_port_len = 6; /* max ":65535" */
51: size_t ident_len;
52: if (host)
53: ident_len = strlen(host) + colon_and_port_len + 1;
54: else
55: ident_len = IPA_MAX_TEXT_LENGTH + colon_and_port_len + 1;
56:
57: char *ident = mb_alloc(cache->pool, ident_len);
58: if (host)
59: bsnprintf(ident, ident_len, "%s:%u", host, port);
60: else
61: bsnprintf(ident, ident_len, "%I:%u", ip, port);
62:
63: tr->ident = ident;
64: return tr->ident;
65: }
66:
67: /**
68: * rpki_tr_tcp_init - initializes the RPKI transport structure for a TCP connection
69: * @tr: allocated RPKI transport structure
70: */
71: void
72: rpki_tr_tcp_init(struct rpki_tr_sock *tr)
73: {
74: tr->open_fp = &rpki_tr_tcp_open;
75: tr->ident_fp = &rpki_tr_tcp_ident;
76: }
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