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author | Christian Grothoff <christian@grothoff.org> | 2012-03-13 14:24:35 +0000 |
---|---|---|
committer | Christian Grothoff <christian@grothoff.org> | 2012-03-13 14:24:35 +0000 |
commit | 1bf2b49b14f9058cd2d4223752c74ef59bbf3435 (patch) | |
tree | 04c9022fd2160f3ca33eba7013f9df0b5c365f69 /src/hello | |
parent | c8e04709c3941b832261c4eff9dbee058a46c841 (diff) | |
download | gnunet-1bf2b49b14f9058cd2d4223752c74ef59bbf3435.tar.gz gnunet-1bf2b49b14f9058cd2d4223752c74ef59bbf3435.zip |
-adding gnunet-hello tool to bump expiration times
Diffstat (limited to 'src/hello')
-rw-r--r-- | src/hello/Makefile.am | 10 | ||||
-rw-r--r-- | src/hello/gnunet-hello.c | 204 |
2 files changed, 214 insertions, 0 deletions
diff --git a/src/hello/Makefile.am b/src/hello/Makefile.am index 1788e8f65..2de485a9e 100644 --- a/src/hello/Makefile.am +++ b/src/hello/Makefile.am | |||
@@ -19,6 +19,9 @@ libgnunethello_la_LDFLAGS = \ | |||
19 | $(GN_LIB_LDFLAGS) \ | 19 | $(GN_LIB_LDFLAGS) \ |
20 | -version-info 0:0:0 | 20 | -version-info 0:0:0 |
21 | 21 | ||
22 | noinst_PROGRAMS = \ | ||
23 | gnunet-hello | ||
24 | |||
22 | check_PROGRAMS = \ | 25 | check_PROGRAMS = \ |
23 | test_hello | 26 | test_hello |
24 | 27 | ||
@@ -32,3 +35,10 @@ test_hello_LDADD = \ | |||
32 | $(top_builddir)/src/hello/libgnunethello.la \ | 35 | $(top_builddir)/src/hello/libgnunethello.la \ |
33 | $(top_builddir)/src/util/libgnunetutil.la | 36 | $(top_builddir)/src/util/libgnunetutil.la |
34 | 37 | ||
38 | |||
39 | gnunet_hello_SOURCES = \ | ||
40 | gnunet-hello.c | ||
41 | gnunet_hello_LDADD = \ | ||
42 | $(top_builddir)/src/hello/libgnunethello.la \ | ||
43 | $(top_builddir)/src/util/libgnunetutil.la | ||
44 | |||
diff --git a/src/hello/gnunet-hello.c b/src/hello/gnunet-hello.c new file mode 100644 index 000000000..be7719e94 --- /dev/null +++ b/src/hello/gnunet-hello.c | |||
@@ -0,0 +1,204 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet | ||
3 | (C) 2012 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 3, 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 | * @file hello/gnunet-hello.c | ||
22 | * @brief change HELLO files to never expire | ||
23 | * @author Christian Grothoff | ||
24 | */ | ||
25 | #include "platform.h" | ||
26 | #include "gnunet_hello_lib.h" | ||
27 | |||
28 | #define DEBUG GNUNET_EXTRA_LOGGING | ||
29 | |||
30 | #define VERBOSE GNUNET_NO | ||
31 | |||
32 | /** | ||
33 | * Closure for 'add_to_buf'. | ||
34 | */ | ||
35 | struct AddContext | ||
36 | { | ||
37 | /** | ||
38 | * Where to add. | ||
39 | */ | ||
40 | char *buf; | ||
41 | |||
42 | /** | ||
43 | * Maximum number of bytes left | ||
44 | */ | ||
45 | size_t max; | ||
46 | |||
47 | /** | ||
48 | * Number of bytes added so far. | ||
49 | */ | ||
50 | size_t ret; | ||
51 | }; | ||
52 | |||
53 | |||
54 | /** | ||
55 | * Add the given address with infinit expiration to the buffer. | ||
56 | * | ||
57 | * @param ac add context | ||
58 | * @param address address to add | ||
59 | * @param expiration old expiration | ||
60 | * @return GNUNET_OK keep iterating | ||
61 | */ | ||
62 | static int | ||
63 | add_to_buf (void *cls, const struct GNUNET_HELLO_Address *address, | ||
64 | struct GNUNET_TIME_Absolute expiration) | ||
65 | { | ||
66 | struct AddContext *ac = cls; | ||
67 | size_t ret; | ||
68 | |||
69 | ret = GNUNET_HELLO_add_address (address, | ||
70 | GNUNET_TIME_UNIT_FOREVER_ABS, | ||
71 | ac->buf, | ||
72 | ac->max); | ||
73 | ac->buf += ret; | ||
74 | ac->max -= ret; | ||
75 | ac->ret += ret; | ||
76 | return GNUNET_OK; | ||
77 | } | ||
78 | |||
79 | |||
80 | /** | ||
81 | * Add addresses from the address list to the HELLO. | ||
82 | * | ||
83 | * @param cls the HELLO with the addresses to add | ||
84 | * @param max maximum space available | ||
85 | * @param buf where to add the addresses | ||
86 | * @return number of bytes added, 0 to terminate | ||
87 | */ | ||
88 | static size_t | ||
89 | add_from_hello (void *cls, size_t max, void *buf) | ||
90 | { | ||
91 | struct GNUNET_HELLO_Message **orig = cls; | ||
92 | struct AddContext ac; | ||
93 | |||
94 | if (NULL == *orig) | ||
95 | return 0; /* already done */ | ||
96 | ac.buf = buf; | ||
97 | ac.max = max; | ||
98 | ac.ret = 0; | ||
99 | GNUNET_assert (NULL == | ||
100 | GNUNET_HELLO_iterate_addresses (*orig, | ||
101 | GNUNET_NO, &add_to_buf, | ||
102 | &ac)); | ||
103 | *orig = NULL; | ||
104 | return ac.ret; | ||
105 | } | ||
106 | |||
107 | |||
108 | int | ||
109 | main (int argc, char *argv[]) | ||
110 | { | ||
111 | struct GNUNET_DISK_FileHandle *fh; | ||
112 | struct GNUNET_HELLO_Message *orig; | ||
113 | struct GNUNET_HELLO_Message *result; | ||
114 | struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pk; | ||
115 | uint64_t fsize; | ||
116 | |||
117 | GNUNET_log_setup ("gnunet-hello", "INFO", NULL); | ||
118 | if (argc != 2) | ||
119 | { | ||
120 | FPRINTF (stderr, | ||
121 | "%s", | ||
122 | _("Call with name of HELLO file to modify.\n")); | ||
123 | return 1; | ||
124 | } | ||
125 | if (GNUNET_OK != GNUNET_DISK_file_size (argv[1], &fsize, GNUNET_YES)) | ||
126 | { | ||
127 | FPRINTF (stderr, | ||
128 | _("Error accessing file `%s': %s\n"), | ||
129 | argv[1], | ||
130 | STRERROR (errno)); | ||
131 | return 1; | ||
132 | } | ||
133 | if (fsize > 65536) | ||
134 | { | ||
135 | FPRINTF (stderr, | ||
136 | _("File `%s' is too big to be a HELLO\n"), | ||
137 | argv[1]); | ||
138 | return 1; | ||
139 | } | ||
140 | if (fsize < sizeof (struct GNUNET_MessageHeader)) | ||
141 | { | ||
142 | FPRINTF (stderr, | ||
143 | _("File `%s' is too small to be a HELLO\n"), | ||
144 | argv[1]); | ||
145 | return 1; | ||
146 | } | ||
147 | fh = GNUNET_DISK_file_open (argv[1], | ||
148 | GNUNET_DISK_OPEN_READ, | ||
149 | GNUNET_DISK_PERM_USER_READ); | ||
150 | if (NULL == fh) | ||
151 | { | ||
152 | FPRINTF (stderr, | ||
153 | _("Error opening file `%s': %s\n"), | ||
154 | argv[1], | ||
155 | STRERROR (errno)); | ||
156 | return 1; | ||
157 | } | ||
158 | { | ||
159 | char buf[fsize]; | ||
160 | |||
161 | GNUNET_assert (fsize == | ||
162 | GNUNET_DISK_file_read (fh, buf, fsize)); | ||
163 | GNUNET_assert (GNUNET_OK == GNUNET_DISK_file_close (fh)); | ||
164 | orig = (struct GNUNET_HELLO_Message *) buf; | ||
165 | if ( (fsize != GNUNET_HELLO_size (orig)) || | ||
166 | (GNUNET_OK != GNUNET_HELLO_get_key (orig, &pk)) ) | ||
167 | { | ||
168 | FPRINTF (stderr, | ||
169 | _("Did not find well-formed HELLO in file `%s'\n"), | ||
170 | argv[1]); | ||
171 | return 1; | ||
172 | } | ||
173 | result = GNUNET_HELLO_create (&pk, &add_from_hello, &orig); | ||
174 | GNUNET_assert (NULL != result); | ||
175 | fh = GNUNET_DISK_file_open (argv[1], | ||
176 | GNUNET_DISK_OPEN_WRITE, | ||
177 | GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE); | ||
178 | if (NULL == fh) | ||
179 | { | ||
180 | FPRINTF (stderr, | ||
181 | _("Error opening file `%s': %s\n"), | ||
182 | argv[1], | ||
183 | STRERROR (errno)); | ||
184 | GNUNET_free (result); | ||
185 | return 1; | ||
186 | } | ||
187 | fsize = GNUNET_HELLO_size (result); | ||
188 | if (fsize != GNUNET_DISK_file_write (fh, | ||
189 | result, | ||
190 | fsize)) | ||
191 | { | ||
192 | FPRINTF (stderr, | ||
193 | _("Error writing HELLO to file `%s': %s\n"), | ||
194 | argv[1], | ||
195 | STRERROR (errno)); | ||
196 | (void) GNUNET_DISK_file_close (fh); | ||
197 | return 1; | ||
198 | } | ||
199 | GNUNET_assert (GNUNET_OK == GNUNET_DISK_file_close (fh)); | ||
200 | } | ||
201 | return 0; | ||
202 | } | ||
203 | |||
204 | /* end of gnunet-hello.c */ | ||