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Diffstat (limited to 'src/peerinfo/gnunet-peerinfo.c')
-rw-r--r-- | src/peerinfo/gnunet-peerinfo.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/src/peerinfo/gnunet-peerinfo.c b/src/peerinfo/gnunet-peerinfo.c new file mode 100644 index 000000000..6c737c88a --- /dev/null +++ b/src/peerinfo/gnunet-peerinfo.c | |||
@@ -0,0 +1,152 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | (C) 2001, 2002, 2003, 2004, 2006, 2009 Christian Grothoff (and other contributing authors) | ||
4 | |||
5 | GNUnet is free software; you can redistribute it and/or modify | ||
6 | it under the terms of the GNU General Public License as published | ||
7 | by the Free Software Foundation; either version 2, or (at your | ||
8 | option) any later version. | ||
9 | |||
10 | GNUnet is distributed in the hope that it will be useful, but | ||
11 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU General Public License | ||
16 | along with GNUnet; see the file COPYING. If not, write to the | ||
17 | Free Software Foundation, Inc., 59 Temple Place - Suite 330, | ||
18 | Boston, MA 02111-1307, USA. | ||
19 | */ | ||
20 | |||
21 | /** | ||
22 | * @file peerinfo/gnunet-peerinfo.c | ||
23 | * @brief Print information about other known peers. | ||
24 | * @author Christian Grothoff | ||
25 | */ | ||
26 | #include "platform.h" | ||
27 | #include "gnunet_crypto_lib.h" | ||
28 | #include "gnunet_configuration_lib.h" | ||
29 | #include "gnunet_getopt_lib.h" | ||
30 | #include "gnunet_peerinfo_service.h" | ||
31 | #include "gnunet_program_lib.h" | ||
32 | |||
33 | static int no_resolve; | ||
34 | |||
35 | static int be_quiet; | ||
36 | |||
37 | static int get_self; | ||
38 | |||
39 | /** | ||
40 | * Print information about the peer. | ||
41 | * Currently prints the GNUNET_PeerIdentity, trust and the IP. | ||
42 | * Could of course do more (e.g. resolve via DNS). | ||
43 | */ | ||
44 | static void | ||
45 | print_peer_info (void *cls, | ||
46 | const struct GNUNET_PeerIdentity *peer, | ||
47 | const struct GNUNET_HELLO_Message *hello, uint32_t trust) | ||
48 | { | ||
49 | struct GNUNET_CRYPTO_HashAsciiEncoded enc; | ||
50 | |||
51 | /* FIXME: add printing of address information! | ||
52 | => need extended transport API! */ | ||
53 | GNUNET_CRYPTO_hash_to_enc (&peer->hashPubKey, &enc); | ||
54 | if (be_quiet) | ||
55 | printf ("%s\n", (const char *) &enc); | ||
56 | else | ||
57 | printf (_("Peer `%s' with trust %8u\n"), (const char *) &enc, trust); | ||
58 | } | ||
59 | |||
60 | /** | ||
61 | * Main function that will be run by the scheduler. | ||
62 | * | ||
63 | * @param cls closure | ||
64 | * @param sched the scheduler to use | ||
65 | * @param args remaining command-line arguments | ||
66 | * @param cfgfile name of the configuration file used (for saving, can be NULL!) | ||
67 | * @param cfg configuration | ||
68 | */ | ||
69 | static void | ||
70 | run (void *cls, | ||
71 | struct GNUNET_SCHEDULER_Handle *sched, | ||
72 | char *const *args, | ||
73 | const char *cfgfile, struct GNUNET_CONFIGURATION_Handle *cfg) | ||
74 | { | ||
75 | struct GNUNET_CRYPTO_RsaPrivateKey *priv; | ||
76 | struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pub; | ||
77 | struct GNUNET_PeerIdentity pid; | ||
78 | struct GNUNET_CRYPTO_HashAsciiEncoded enc; | ||
79 | char *fn; | ||
80 | |||
81 | if (get_self != GNUNET_YES) | ||
82 | { | ||
83 | GNUNET_PEERINFO_for_all (cfg, | ||
84 | sched, | ||
85 | NULL, | ||
86 | 0, | ||
87 | GNUNET_TIME_relative_multiply | ||
88 | (GNUNET_TIME_UNIT_SECONDS, 30), | ||
89 | &print_peer_info, NULL); | ||
90 | } | ||
91 | else | ||
92 | { | ||
93 | if (GNUNET_OK != | ||
94 | GNUNET_CONFIGURATION_get_value_filename (cfg, | ||
95 | "GNUNET", | ||
96 | "HOSTKEYFILE", &fn)) | ||
97 | return; | ||
98 | priv = GNUNET_CRYPTO_rsa_key_create_from_file (fn); | ||
99 | if (priv == NULL) | ||
100 | { | ||
101 | fprintf (stderr, _("Loading hostkey from `%s' failed.\n"), fn); | ||
102 | GNUNET_free (fn); | ||
103 | return; | ||
104 | } | ||
105 | GNUNET_free (fn); | ||
106 | GNUNET_CRYPTO_rsa_key_get_public (priv, &pub); | ||
107 | GNUNET_CRYPTO_rsa_key_free (priv); | ||
108 | GNUNET_CRYPTO_hash (&pub, sizeof (pub), &pid.hashPubKey); | ||
109 | GNUNET_CRYPTO_hash_to_enc (&pid.hashPubKey, &enc); | ||
110 | if (be_quiet) | ||
111 | printf ("%s\n", (char *) &enc); | ||
112 | else | ||
113 | printf (_("I am peer `%s'.\n"), (const char *) &enc); | ||
114 | } | ||
115 | } | ||
116 | |||
117 | |||
118 | /** | ||
119 | * gnunet-peerinfo command line options | ||
120 | */ | ||
121 | static struct GNUNET_GETOPT_CommandLineOption options[] = { | ||
122 | {'n', "numeric", NULL, | ||
123 | gettext_noop ("don't resolve host names"), | ||
124 | 0, &GNUNET_GETOPT_set_one, &no_resolve}, | ||
125 | {'q', "quiet", NULL, | ||
126 | gettext_noop ("output only the identity strings"), | ||
127 | 0, &GNUNET_GETOPT_set_one, &be_quiet}, | ||
128 | {'s', "self", NULL, | ||
129 | gettext_noop ("output our own identity only"), | ||
130 | 0, &GNUNET_GETOPT_set_one, &get_self}, | ||
131 | GNUNET_GETOPT_OPTION_END | ||
132 | }; | ||
133 | |||
134 | /** | ||
135 | * The main function to obtain peer information. | ||
136 | * | ||
137 | * @param argc number of arguments from the command line | ||
138 | * @param argv command line arguments | ||
139 | * @return 0 ok, 1 on error | ||
140 | */ | ||
141 | int | ||
142 | main (int argc, char *const *argv) | ||
143 | { | ||
144 | return (GNUNET_OK == | ||
145 | GNUNET_PROGRAM_run (argc, | ||
146 | argv, | ||
147 | "gnunet-peerinfo", | ||
148 | gettext_noop ("Print information about peers."), | ||
149 | options, &run, NULL)) ? 0 : 1; | ||
150 | } | ||
151 | |||
152 | /* end of gnunet-peerinfo.c */ | ||