diff options
Diffstat (limited to 'src/hello')
-rw-r--r-- | src/hello/.gitignore | 5 | ||||
-rw-r--r-- | src/hello/Makefile.am | 69 | ||||
-rw-r--r-- | src/hello/address.c | 157 | ||||
-rw-r--r-- | src/hello/gnunet-hello.c | 215 | ||||
-rw-r--r-- | src/hello/hello-ng.c | 197 | ||||
-rw-r--r-- | src/hello/hello-uri.c | 891 | ||||
-rw-r--r-- | src/hello/hello.c | 1271 | ||||
-rw-r--r-- | src/hello/test_friend_hello.c | 185 | ||||
-rw-r--r-- | src/hello/test_hello-ng.c | 56 | ||||
-rw-r--r-- | src/hello/test_hello-uri.c | 212 | ||||
-rw-r--r-- | src/hello/test_hello.c | 253 |
11 files changed, 0 insertions, 3511 deletions
diff --git a/src/hello/.gitignore b/src/hello/.gitignore deleted file mode 100644 index d175d148e..000000000 --- a/src/hello/.gitignore +++ /dev/null | |||
@@ -1,5 +0,0 @@ | |||
1 | gnunet-hello | ||
2 | test_friend_hello | ||
3 | test_hello | ||
4 | test_hello-uri | ||
5 | test_hello-ng | ||
diff --git a/src/hello/Makefile.am b/src/hello/Makefile.am deleted file mode 100644 index c04b85106..000000000 --- a/src/hello/Makefile.am +++ /dev/null | |||
@@ -1,69 +0,0 @@ | |||
1 | # This Makefile.am is in the public domain | ||
2 | AM_CPPFLAGS = -I$(top_srcdir)/src/include | ||
3 | |||
4 | if USE_COVERAGE | ||
5 | AM_CFLAGS = --coverage -O0 | ||
6 | XLIB = -lgcov | ||
7 | endif | ||
8 | |||
9 | lib_LTLIBRARIES = libgnunethello.la | ||
10 | |||
11 | libgnunethello_la_SOURCES = \ | ||
12 | hello.c \ | ||
13 | address.c \ | ||
14 | hello-ng.c \ | ||
15 | hello-uri.c | ||
16 | libgnunethello_la_LIBADD = \ | ||
17 | $(top_builddir)/src/util/libgnunetutil.la $(XLIB) \ | ||
18 | $(LTLIBINTL) | ||
19 | libgnunethello_la_LDFLAGS = \ | ||
20 | $(GN_LIB_LDFLAGS) \ | ||
21 | -version-info 1:0:1 | ||
22 | |||
23 | noinst_PROGRAMS = \ | ||
24 | gnunet-hello | ||
25 | |||
26 | check_PROGRAMS = \ | ||
27 | test_hello \ | ||
28 | test_hello-uri \ | ||
29 | test_friend_hello \ | ||
30 | test_hello-ng | ||
31 | |||
32 | if ENABLE_TEST_RUN | ||
33 | AM_TESTS_ENVIRONMENT=export GNUNET_PREFIX=$${GNUNET_PREFIX:-@libdir@};export PATH=$${GNUNET_PREFIX:-@prefix@}/bin:$$PATH;unset XDG_DATA_HOME;unset XDG_CONFIG_HOME; | ||
34 | TESTS = $(check_PROGRAMS) | ||
35 | endif | ||
36 | |||
37 | test_hello_SOURCES = \ | ||
38 | test_hello.c | ||
39 | test_hello_LDADD = \ | ||
40 | libgnunethello.la \ | ||
41 | $(top_builddir)/src/util/libgnunetutil.la | ||
42 | |||
43 | test_hello_ng_SOURCES = \ | ||
44 | test_hello-ng.c | ||
45 | test_hello_ng_LDADD = \ | ||
46 | libgnunethello.la \ | ||
47 | $(top_builddir)/src/util/libgnunetutil.la | ||
48 | |||
49 | test_hello_uri_SOURCES = \ | ||
50 | test_hello-uri.c | ||
51 | test_hello_uri_LDADD = \ | ||
52 | libgnunethello.la \ | ||
53 | $(top_builddir)/src/util/libgnunetutil.la \ | ||
54 | -lgcrypt | ||
55 | |||
56 | |||
57 | test_friend_hello_SOURCES = \ | ||
58 | test_friend_hello.c | ||
59 | test_friend_hello_LDADD = \ | ||
60 | libgnunethello.la \ | ||
61 | $(top_builddir)/src/util/libgnunetutil.la | ||
62 | |||
63 | gnunet_hello_SOURCES = \ | ||
64 | gnunet-hello.c | ||
65 | gnunet_hello_LDADD = \ | ||
66 | libgnunethello.la \ | ||
67 | $(top_builddir)/src/util/libgnunetutil.la | ||
68 | gnunet_hello_LDFLAGS = \ | ||
69 | $(GN_LIBINTL) | ||
diff --git a/src/hello/address.c b/src/hello/address.c deleted file mode 100644 index e22f3850f..000000000 --- a/src/hello/address.c +++ /dev/null | |||
@@ -1,157 +0,0 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | Copyright (C) 2009 GNUnet e.V. | ||
4 | |||
5 | GNUnet is free software: you can redistribute it and/or modify it | ||
6 | under the terms of the GNU Affero General Public License as published | ||
7 | by the Free Software Foundation, either version 3 of the License, | ||
8 | or (at your 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 | Affero General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Affero General Public License | ||
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
17 | |||
18 | SPDX-License-Identifier: AGPL3.0-or-later | ||
19 | */ | ||
20 | |||
21 | /** | ||
22 | * @file hello/address.c | ||
23 | * @brief helper functions for handling addresses | ||
24 | * @author Christian Grothoff | ||
25 | */ | ||
26 | #include "platform.h" | ||
27 | #include "gnunet_hello_lib.h" | ||
28 | #include "gnunet_util_lib.h" | ||
29 | |||
30 | |||
31 | /** | ||
32 | * Check if an address has a local option set | ||
33 | * | ||
34 | * @param address the address to check | ||
35 | * @param option the respective option to check for | ||
36 | * @return #GNUNET_YES or #GNUNET_NO | ||
37 | */ | ||
38 | int | ||
39 | GNUNET_HELLO_address_check_option (const struct GNUNET_HELLO_Address *address, | ||
40 | enum GNUNET_HELLO_AddressInfo option) | ||
41 | { | ||
42 | if (option == (address->local_info & option)) | ||
43 | return GNUNET_YES; | ||
44 | return GNUNET_NO; | ||
45 | } | ||
46 | |||
47 | |||
48 | /** | ||
49 | * Get the size of an address struct. | ||
50 | * | ||
51 | * @param address address | ||
52 | * @return the size | ||
53 | */ | ||
54 | size_t | ||
55 | GNUNET_HELLO_address_get_size (const struct GNUNET_HELLO_Address *address) | ||
56 | { | ||
57 | return sizeof(struct GNUNET_HELLO_Address) + address->address_length | ||
58 | + strlen (address->transport_name) + 1; | ||
59 | } | ||
60 | |||
61 | |||
62 | /** | ||
63 | * Allocate an address struct. | ||
64 | * | ||
65 | * @param peer the peer | ||
66 | * @param transport_name plugin name | ||
67 | * @param address binary address | ||
68 | * @param address_length number of bytes in 'address' | ||
69 | * @param local_info additional local information for the address | ||
70 | * @return the address struct | ||
71 | */ | ||
72 | struct GNUNET_HELLO_Address * | ||
73 | GNUNET_HELLO_address_allocate (const struct GNUNET_PeerIdentity *peer, | ||
74 | const char *transport_name, | ||
75 | const void *address, | ||
76 | size_t address_length, | ||
77 | enum GNUNET_HELLO_AddressInfo local_info) | ||
78 | { | ||
79 | struct GNUNET_HELLO_Address *addr; | ||
80 | size_t slen; | ||
81 | char *end; | ||
82 | |||
83 | slen = strlen (transport_name) + 1; | ||
84 | addr = GNUNET_malloc (sizeof(struct GNUNET_HELLO_Address) | ||
85 | + address_length + slen); | ||
86 | addr->peer = *peer; | ||
87 | addr->address = &addr[1]; | ||
88 | addr->address_length = address_length; | ||
89 | addr->local_info = local_info; | ||
90 | end = (char *) &addr[1]; | ||
91 | addr->transport_name = &end[address_length]; | ||
92 | GNUNET_memcpy (end, | ||
93 | address, | ||
94 | address_length); | ||
95 | GNUNET_memcpy (&end[address_length], | ||
96 | transport_name, | ||
97 | slen); | ||
98 | return addr; | ||
99 | } | ||
100 | |||
101 | |||
102 | /** | ||
103 | * Copy an address struct. | ||
104 | * | ||
105 | * @param address address to copy | ||
106 | * @return a copy of the address struct | ||
107 | */ | ||
108 | struct GNUNET_HELLO_Address * | ||
109 | GNUNET_HELLO_address_copy (const struct GNUNET_HELLO_Address *address) | ||
110 | { | ||
111 | if (NULL == address) | ||
112 | return NULL; | ||
113 | return GNUNET_HELLO_address_allocate (&address->peer, | ||
114 | address->transport_name, | ||
115 | address->address, | ||
116 | address->address_length, | ||
117 | address->local_info); | ||
118 | } | ||
119 | |||
120 | |||
121 | /** | ||
122 | * Compare two addresses. Does NOT compare the peer identity, | ||
123 | * that is assumed already to match! | ||
124 | * | ||
125 | * @param a1 first address | ||
126 | * @param a2 second address | ||
127 | * @return 0 if the addresses are equal, -1 if a1<a2, 1 if a1>a2. | ||
128 | */ | ||
129 | int | ||
130 | GNUNET_HELLO_address_cmp (const struct GNUNET_HELLO_Address *a1, | ||
131 | const struct GNUNET_HELLO_Address *a2) | ||
132 | { | ||
133 | int ret; | ||
134 | |||
135 | if ((NULL == a1) && | ||
136 | (NULL == a2)) | ||
137 | return 0; | ||
138 | if (NULL == a1) | ||
139 | return 1; | ||
140 | if (NULL == a2) | ||
141 | return -1; | ||
142 | ret = strcmp (a1->transport_name, a2->transport_name); | ||
143 | if (0 != ret) | ||
144 | return ret; | ||
145 | if (a1->local_info != a2->local_info) | ||
146 | return (((int) a1->local_info) < ((int) a2->local_info)) ? -1 : 1; | ||
147 | if (a1->address_length < a2->address_length) | ||
148 | return -1; | ||
149 | if (a1->address_length > a2->address_length) | ||
150 | return 1; | ||
151 | return memcmp (a1->address, | ||
152 | a2->address, | ||
153 | a1->address_length); | ||
154 | } | ||
155 | |||
156 | |||
157 | /* end of address.c */ | ||
diff --git a/src/hello/gnunet-hello.c b/src/hello/gnunet-hello.c deleted file mode 100644 index 1f110ac18..000000000 --- a/src/hello/gnunet-hello.c +++ /dev/null | |||
@@ -1,215 +0,0 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet | ||
3 | Copyright (C) 2012 GNUnet e.V. | ||
4 | |||
5 | GNUnet is free software: you can redistribute it and/or modify it | ||
6 | under the terms of the GNU Affero General Public License as published | ||
7 | by the Free Software Foundation, either version 3 of the License, | ||
8 | or (at your 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 | Affero General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Affero General Public License | ||
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
17 | |||
18 | SPDX-License-Identifier: AGPL3.0-or-later | ||
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_protocols.h" | ||
27 | #include "gnunet_hello_lib.h" | ||
28 | |||
29 | /** | ||
30 | * Closure for #add_to_buf(). | ||
31 | */ | ||
32 | struct AddContext | ||
33 | { | ||
34 | /** | ||
35 | * Where to add. | ||
36 | */ | ||
37 | char *buf; | ||
38 | |||
39 | /** | ||
40 | * Maximum number of bytes left | ||
41 | */ | ||
42 | size_t max; | ||
43 | |||
44 | /** | ||
45 | * Number of bytes added so far. | ||
46 | */ | ||
47 | size_t ret; | ||
48 | }; | ||
49 | |||
50 | static int address_count; | ||
51 | |||
52 | |||
53 | /** | ||
54 | * Add the given address with infinite expiration to the buffer. | ||
55 | * | ||
56 | * @param cls closure | ||
57 | * @param address address to add | ||
58 | * @param expiration old expiration | ||
59 | * @return #GNUNET_OK keep iterating | ||
60 | */ | ||
61 | static int | ||
62 | add_to_buf (void *cls, | ||
63 | 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 | address_count++; | ||
77 | return GNUNET_OK; | ||
78 | } | ||
79 | |||
80 | |||
81 | /** | ||
82 | * Add addresses from the address list to the HELLO. | ||
83 | * | ||
84 | * @param cls the HELLO with the addresses to add | ||
85 | * @param max maximum space available | ||
86 | * @param buf where to add the addresses | ||
87 | * @return number of bytes added, 0 to terminate | ||
88 | */ | ||
89 | static ssize_t | ||
90 | add_from_hello (void *cls, size_t max, void *buf) | ||
91 | { | ||
92 | struct GNUNET_HELLO_Message **orig = cls; | ||
93 | struct AddContext ac; | ||
94 | |||
95 | if (NULL == *orig) | ||
96 | return GNUNET_SYSERR; /* already done */ | ||
97 | ac.buf = buf; | ||
98 | ac.max = max; | ||
99 | ac.ret = 0; | ||
100 | GNUNET_assert ( | ||
101 | NULL == | ||
102 | GNUNET_HELLO_iterate_addresses (*orig, GNUNET_NO, &add_to_buf, &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_PeerIdentity pid; | ||
115 | uint64_t fsize; | ||
116 | |||
117 | address_count = 0; | ||
118 | |||
119 | GNUNET_log_setup ("gnunet-hello", "INFO", NULL); | ||
120 | if (argc != 2) | ||
121 | { | ||
122 | fprintf (stderr, "%s", _ ("Call with name of HELLO file to modify.\n")); | ||
123 | return 1; | ||
124 | } | ||
125 | if (GNUNET_OK != | ||
126 | GNUNET_DISK_file_size (argv[1], &fsize, GNUNET_YES, GNUNET_YES)) | ||
127 | { | ||
128 | fprintf (stderr, | ||
129 | _ ("Error accessing file `%s': %s\n"), | ||
130 | argv[1], | ||
131 | strerror (errno)); | ||
132 | return 1; | ||
133 | } | ||
134 | if (fsize > 65536) | ||
135 | { | ||
136 | fprintf (stderr, _ ("File `%s' is too big to be a HELLO\n"), argv[1]); | ||
137 | return 1; | ||
138 | } | ||
139 | if (fsize < sizeof(struct GNUNET_MessageHeader)) | ||
140 | { | ||
141 | fprintf (stderr, _ ("File `%s' is too small to be a HELLO\n"), argv[1]); | ||
142 | return 1; | ||
143 | } | ||
144 | fh = GNUNET_DISK_file_open (argv[1], | ||
145 | GNUNET_DISK_OPEN_READ, | ||
146 | GNUNET_DISK_PERM_USER_READ); | ||
147 | if (NULL == fh) | ||
148 | { | ||
149 | fprintf (stderr, | ||
150 | _ ("Error opening file `%s': %s\n"), | ||
151 | argv[1], | ||
152 | strerror (errno)); | ||
153 | return 1; | ||
154 | } | ||
155 | { | ||
156 | char buf[fsize] GNUNET_ALIGN; | ||
157 | |||
158 | GNUNET_assert (fsize == GNUNET_DISK_file_read (fh, buf, fsize)); | ||
159 | GNUNET_assert (GNUNET_OK == GNUNET_DISK_file_close (fh)); | ||
160 | orig = (struct GNUNET_HELLO_Message *) buf; | ||
161 | if ((fsize < GNUNET_HELLO_size (orig)) || | ||
162 | (GNUNET_OK != GNUNET_HELLO_get_id (orig, &pid))) | ||
163 | { | ||
164 | fprintf (stderr, | ||
165 | _ ("Did not find well-formed HELLO in file `%s'\n"), | ||
166 | argv[1]); | ||
167 | return 1; | ||
168 | } | ||
169 | { | ||
170 | char *pids; | ||
171 | |||
172 | pids = GNUNET_CRYPTO_eddsa_public_key_to_string (&pid.public_key); | ||
173 | fprintf (stdout, "Processing HELLO for peer `%s'\n", pids); | ||
174 | GNUNET_free (pids); | ||
175 | } | ||
176 | result = GNUNET_HELLO_create (&pid.public_key, | ||
177 | &add_from_hello, | ||
178 | &orig, | ||
179 | GNUNET_HELLO_is_friend_only (orig)); | ||
180 | GNUNET_assert (NULL != result); | ||
181 | fh = | ||
182 | GNUNET_DISK_file_open (argv[1], | ||
183 | GNUNET_DISK_OPEN_WRITE | GNUNET_DISK_OPEN_TRUNCATE, | ||
184 | GNUNET_DISK_PERM_USER_READ | ||
185 | | GNUNET_DISK_PERM_USER_WRITE); | ||
186 | if (NULL == fh) | ||
187 | { | ||
188 | fprintf (stderr, | ||
189 | _ ("Error opening file `%s': %s\n"), | ||
190 | argv[1], | ||
191 | strerror (errno)); | ||
192 | GNUNET_free (result); | ||
193 | return 1; | ||
194 | } | ||
195 | fsize = GNUNET_HELLO_size (result); | ||
196 | if (fsize != GNUNET_DISK_file_write (fh, result, fsize)) | ||
197 | { | ||
198 | fprintf (stderr, | ||
199 | _ ("Error writing HELLO to file `%s': %s\n"), | ||
200 | argv[1], | ||
201 | strerror (errno)); | ||
202 | (void) GNUNET_DISK_file_close (fh); | ||
203 | return 1; | ||
204 | } | ||
205 | GNUNET_assert (GNUNET_OK == GNUNET_DISK_file_close (fh)); | ||
206 | } | ||
207 | fprintf (stderr, | ||
208 | _ ("Modified %u addresses, wrote %u bytes\n"), | ||
209 | address_count, | ||
210 | (unsigned int) fsize); | ||
211 | return 0; | ||
212 | } | ||
213 | |||
214 | |||
215 | /* end of gnunet-hello.c */ | ||
diff --git a/src/hello/hello-ng.c b/src/hello/hello-ng.c deleted file mode 100644 index 96856a692..000000000 --- a/src/hello/hello-ng.c +++ /dev/null | |||
@@ -1,197 +0,0 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | Copyright (C) 2018 GNUnet e.V. | ||
4 | |||
5 | GNUnet is free software: you can redistribute it and/or modify it | ||
6 | under the terms of the GNU Affero General Public License as published | ||
7 | by the Free Software Foundation, either version 3 of the License, | ||
8 | or (at your 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 | Affero General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Affero General Public License | ||
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
17 | |||
18 | SPDX-License-Identifier: AGPL3.0-or-later | ||
19 | */ | ||
20 | |||
21 | /** | ||
22 | * @file hello/hello-ng.c | ||
23 | * @brief helper library for handling HELLOs | ||
24 | * @author Christian Grothoff | ||
25 | */ | ||
26 | #include "platform.h" | ||
27 | #include "gnunet_signatures.h" | ||
28 | #include "gnunet_hello_lib.h" | ||
29 | #include "gnunet_protocols.h" | ||
30 | #include "gnunet_util_lib.h" | ||
31 | #include "gnunet_ats_service.h" | ||
32 | |||
33 | GNUNET_NETWORK_STRUCT_BEGIN | ||
34 | /** | ||
35 | * Binary block we sign when we sign an address. | ||
36 | */ | ||
37 | struct SignedAddress | ||
38 | { | ||
39 | /** | ||
40 | * Purpose must be #GNUNET_SIGNATURE_PURPOSE_TRANSPORT_ADDRESS | ||
41 | */ | ||
42 | struct GNUNET_CRYPTO_EccSignaturePurpose purpose; | ||
43 | |||
44 | /** | ||
45 | * When was the address generated. | ||
46 | */ | ||
47 | struct GNUNET_TIME_AbsoluteNBO mono_time; | ||
48 | |||
49 | /** | ||
50 | * Hash of the address. | ||
51 | */ | ||
52 | struct GNUNET_HashCode addr_hash GNUNET_PACKED; | ||
53 | }; | ||
54 | GNUNET_NETWORK_STRUCT_END | ||
55 | |||
56 | /** | ||
57 | * Build address record by signing raw information with private key. | ||
58 | * | ||
59 | * @param address text address at @a communicator to sign | ||
60 | * @param nt network type of @a address | ||
61 | * @param mono_time monotonic time at which @a address was valid | ||
62 | * @param private_key signing key to use | ||
63 | * @param result[out] where to write address record (allocated) | ||
64 | * @param result_size[out] set to size of @a result | ||
65 | */ | ||
66 | void | ||
67 | GNUNET_HELLO_sign_address ( | ||
68 | const char *address, | ||
69 | enum GNUNET_NetworkType nt, | ||
70 | struct GNUNET_TIME_Absolute mono_time, | ||
71 | const struct GNUNET_CRYPTO_EddsaPrivateKey *private_key, | ||
72 | void **result, | ||
73 | size_t *result_size) | ||
74 | { | ||
75 | struct SignedAddress sa; | ||
76 | struct GNUNET_CRYPTO_EddsaSignature sig; | ||
77 | char *sig_str; | ||
78 | |||
79 | sa.purpose.purpose = htonl (GNUNET_SIGNATURE_PURPOSE_TRANSPORT_ADDRESS); | ||
80 | sa.purpose.size = htonl (sizeof(sa)); | ||
81 | sa.mono_time = GNUNET_TIME_absolute_hton (mono_time); | ||
82 | GNUNET_CRYPTO_hash (address, strlen (address), &sa.addr_hash); | ||
83 | GNUNET_CRYPTO_eddsa_sign (private_key, &sa, &sig); | ||
84 | sig_str = NULL; | ||
85 | (void) GNUNET_STRINGS_base64_encode (&sig, sizeof(sig), &sig_str); | ||
86 | *result_size = | ||
87 | 1 + GNUNET_asprintf ((char **) result, | ||
88 | "%s;%llu;%u;%s", | ||
89 | sig_str, | ||
90 | (unsigned long long) mono_time.abs_value_us, | ||
91 | (unsigned int) nt, | ||
92 | address); | ||
93 | GNUNET_free (sig_str); | ||
94 | } | ||
95 | |||
96 | |||
97 | /** | ||
98 | * Check signature and extract address record. | ||
99 | * | ||
100 | * @param raw raw signed address | ||
101 | * @param raw_size size of @a raw | ||
102 | * @param pid public key to use for signature verification | ||
103 | * @param nt[out] set to network type | ||
104 | * @param mono_time[out] when was the address generated | ||
105 | * @return NULL on error, otherwise the address | ||
106 | */ | ||
107 | char * | ||
108 | GNUNET_HELLO_extract_address (const void *raw, | ||
109 | size_t raw_size, | ||
110 | const struct GNUNET_PeerIdentity *pid, | ||
111 | enum GNUNET_NetworkType *nt, | ||
112 | struct GNUNET_TIME_Absolute *mono_time) | ||
113 | { | ||
114 | const struct GNUNET_CRYPTO_EddsaPublicKey *public_key = &pid->public_key; | ||
115 | const char *raws = raw; | ||
116 | unsigned long long raw_us = 0; | ||
117 | unsigned int raw_nt = 0; | ||
118 | const char *sc; | ||
119 | const char *sc2; | ||
120 | const char *sc3; | ||
121 | const char *raw_addr; | ||
122 | char *data = NULL; | ||
123 | struct GNUNET_TIME_Absolute raw_mono_time; | ||
124 | struct SignedAddress sa; | ||
125 | struct GNUNET_CRYPTO_EddsaSignature *sig; | ||
126 | |||
127 | if ('\0' != raws[raw_size-1]) | ||
128 | { | ||
129 | GNUNET_break_op (0); | ||
130 | return NULL; | ||
131 | } | ||
132 | if (NULL == (sc = strchr (raws, ';'))) | ||
133 | { | ||
134 | GNUNET_break_op (0); | ||
135 | return NULL; | ||
136 | } | ||
137 | if (NULL == (sc2 = strchr (sc + 1, ';'))) | ||
138 | { | ||
139 | GNUNET_break_op (0); | ||
140 | return NULL; | ||
141 | } | ||
142 | if (NULL == (sc3 = strchr (sc2 + 1, ';'))) | ||
143 | { | ||
144 | GNUNET_break_op (0); | ||
145 | return NULL; | ||
146 | } | ||
147 | if (2 != sscanf (sc + 1, "%llu;%u;%*s", &raw_us, &raw_nt)) | ||
148 | { | ||
149 | GNUNET_break_op (0); | ||
150 | return NULL; | ||
151 | } | ||
152 | raw_addr = sc3 + 1; | ||
153 | raw_mono_time.abs_value_us = raw_us; | ||
154 | if (sizeof(struct GNUNET_CRYPTO_EddsaSignature) != | ||
155 | GNUNET_STRINGS_base64_decode (raws, sc - raws, (void **) &data)) | ||
156 | { | ||
157 | GNUNET_break_op (0); | ||
158 | GNUNET_free (data); | ||
159 | return NULL; | ||
160 | } | ||
161 | sig = (struct GNUNET_CRYPTO_EddsaSignature*) data; | ||
162 | sa.purpose.purpose = htonl (GNUNET_SIGNATURE_PURPOSE_TRANSPORT_ADDRESS); | ||
163 | sa.purpose.size = htonl (sizeof(sa)); | ||
164 | sa.mono_time = GNUNET_TIME_absolute_hton (raw_mono_time); | ||
165 | GNUNET_CRYPTO_hash (raw_addr, strlen (raw_addr), &sa.addr_hash); | ||
166 | if (GNUNET_YES != | ||
167 | GNUNET_CRYPTO_eddsa_verify (GNUNET_SIGNATURE_PURPOSE_TRANSPORT_ADDRESS, | ||
168 | &sa, | ||
169 | sig, | ||
170 | public_key)) | ||
171 | { | ||
172 | GNUNET_break_op (0); | ||
173 | return NULL; | ||
174 | } | ||
175 | *mono_time = raw_mono_time; | ||
176 | *nt = raw_nt; | ||
177 | return GNUNET_strdup (raw_addr); | ||
178 | } | ||
179 | |||
180 | |||
181 | /** | ||
182 | * Given an address as a string, extract the prefix that identifies | ||
183 | * the communicator offering transmissions to that address. | ||
184 | * | ||
185 | * @param address a peer's address | ||
186 | * @return NULL if the address is mal-formed, otherwise the prefix | ||
187 | */ | ||
188 | char * | ||
189 | GNUNET_HELLO_address_to_prefix (const char *address) | ||
190 | { | ||
191 | const char *dash; | ||
192 | |||
193 | dash = strchr (address, '-'); | ||
194 | if (NULL == dash) | ||
195 | return NULL; | ||
196 | return GNUNET_strndup (address, dash - address); | ||
197 | } | ||
diff --git a/src/hello/hello-uri.c b/src/hello/hello-uri.c deleted file mode 100644 index bacaf697e..000000000 --- a/src/hello/hello-uri.c +++ /dev/null | |||
@@ -1,891 +0,0 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | Copyright (C) 2022 GNUnet e.V. | ||
4 | |||
5 | GNUnet is free software: you can redistribute it and/or modify it | ||
6 | under the terms of the GNU Affero General Public License as published | ||
7 | by the Free Software Foundation, either version 3 of the License, | ||
8 | or (at your 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 | Affero General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Affero General Public License | ||
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
17 | |||
18 | SPDX-License-Identifier: AGPL3.0-or-later | ||
19 | */ | ||
20 | |||
21 | /** | ||
22 | * @file hello/hello-uri.c | ||
23 | * @brief helper library for handling URI-based HELLOs | ||
24 | * @author Christian Grothoff | ||
25 | * | ||
26 | * Note: | ||
27 | * - Current API does not support deserializing HELLO of | ||
28 | * another peer and then serializing it into another | ||
29 | * format (we always require the private key). | ||
30 | * Not sure if we need this, but if we do, we need | ||
31 | * to extend the builder and the API. | ||
32 | * - Current API does not allow overriding the default | ||
33 | * HELLO expiration time. We may want to add a function | ||
34 | * that does this to create bootstrap HELLOs shipped with | ||
35 | * the TGZ. | ||
36 | */ | ||
37 | #include "platform.h" | ||
38 | #include "gnunet_signatures.h" | ||
39 | #include "gnunet_hello_uri_lib.h" | ||
40 | #include "gnunet_protocols.h" | ||
41 | #include "gnunet_util_lib.h" | ||
42 | |||
43 | |||
44 | GNUNET_NETWORK_STRUCT_BEGIN | ||
45 | |||
46 | /** | ||
47 | * Message signed as part of a HELLO block/URL. | ||
48 | */ | ||
49 | struct HelloSignaturePurpose | ||
50 | { | ||
51 | /** | ||
52 | * Purpose must be #GNUNET_SIGNATURE_PURPOSE_HELLO | ||
53 | */ | ||
54 | struct GNUNET_CRYPTO_EccSignaturePurpose purpose; | ||
55 | |||
56 | /** | ||
57 | * When does the signature expire? | ||
58 | */ | ||
59 | struct GNUNET_TIME_AbsoluteNBO expiration_time; | ||
60 | |||
61 | /** | ||
62 | * Hash over all addresses. | ||
63 | */ | ||
64 | struct GNUNET_HashCode h_addrs; | ||
65 | |||
66 | }; | ||
67 | |||
68 | /** | ||
69 | * Message used when gossiping HELLOs between peers. | ||
70 | */ | ||
71 | struct HelloUriMessage | ||
72 | { | ||
73 | /** | ||
74 | * Type must be #GNUNET_MESSAGE_TYPE_HELLO_URI | ||
75 | */ | ||
76 | struct GNUNET_MessageHeader header; | ||
77 | |||
78 | /** | ||
79 | * Reserved. 0. | ||
80 | */ | ||
81 | uint16_t reserved GNUNET_PACKED; | ||
82 | |||
83 | /** | ||
84 | * Number of URLs encoded after the end of the struct, in NBO. | ||
85 | */ | ||
86 | uint16_t url_counter GNUNET_PACKED; | ||
87 | |||
88 | /* followed by a 'block' */ | ||
89 | }; | ||
90 | |||
91 | |||
92 | /** | ||
93 | * Start of a 'block'. | ||
94 | */ | ||
95 | struct BlockHeader | ||
96 | { | ||
97 | /** | ||
98 | * Public key of the peer. | ||
99 | */ | ||
100 | struct GNUNET_PeerIdentity pid; | ||
101 | |||
102 | /** | ||
103 | * Signature over the block, of purpose #GNUNET_SIGNATURE_PURPOSE_HELLO. | ||
104 | */ | ||
105 | struct GNUNET_CRYPTO_EddsaSignature sig; | ||
106 | |||
107 | /** | ||
108 | * When does the HELLO expire? | ||
109 | */ | ||
110 | struct GNUNET_TIME_AbsoluteNBO expiration_time; | ||
111 | |||
112 | }; | ||
113 | |||
114 | |||
115 | /** | ||
116 | * Message used when a DHT provides its HELLO to direct | ||
117 | * neighbours. | ||
118 | */ | ||
119 | struct DhtHelloMessage | ||
120 | { | ||
121 | /** | ||
122 | * Type must be #GNUNET_MESSAGE_TYPE_DHT_P2P_HELLO | ||
123 | */ | ||
124 | struct GNUNET_MessageHeader header; | ||
125 | |||
126 | /** | ||
127 | * Reserved. 0. | ||
128 | */ | ||
129 | uint16_t reserved GNUNET_PACKED; | ||
130 | |||
131 | /** | ||
132 | * Number of URLs encoded after the end of the struct, in NBO. | ||
133 | */ | ||
134 | uint16_t url_counter GNUNET_PACKED; | ||
135 | |||
136 | /** | ||
137 | * Signature over the block, of purpose #GNUNET_SIGNATURE_PURPOSE_HELLO. | ||
138 | */ | ||
139 | struct GNUNET_CRYPTO_EddsaSignature sig; | ||
140 | |||
141 | /** | ||
142 | * When does the HELLO expire? | ||
143 | */ | ||
144 | struct GNUNET_TIME_AbsoluteNBO expiration_time; | ||
145 | |||
146 | /* followed by the serialized addresses of the 'block' */ | ||
147 | }; | ||
148 | |||
149 | |||
150 | GNUNET_NETWORK_STRUCT_END | ||
151 | |||
152 | |||
153 | /** | ||
154 | * Address of a peer. | ||
155 | */ | ||
156 | struct Address | ||
157 | { | ||
158 | /** | ||
159 | * Kept in a DLL. | ||
160 | */ | ||
161 | struct Address *next; | ||
162 | |||
163 | /** | ||
164 | * Kept in a DLL. | ||
165 | */ | ||
166 | struct Address *prev; | ||
167 | |||
168 | /** | ||
169 | * Actual URI, allocated at the end of this struct. | ||
170 | */ | ||
171 | const char *uri; | ||
172 | |||
173 | /** | ||
174 | * Length of @a uri including 0-terminator. | ||
175 | */ | ||
176 | size_t uri_len; | ||
177 | }; | ||
178 | |||
179 | |||
180 | /** | ||
181 | * Context for building (or parsing) HELLO URIs. | ||
182 | */ | ||
183 | struct GNUNET_HELLO_Builder | ||
184 | { | ||
185 | /** | ||
186 | * Public key of the peer. | ||
187 | */ | ||
188 | struct GNUNET_PeerIdentity pid; | ||
189 | |||
190 | /** | ||
191 | * Head of the addresses DLL. | ||
192 | */ | ||
193 | struct Address *a_head; | ||
194 | |||
195 | /** | ||
196 | * Tail of the addresses DLL. | ||
197 | */ | ||
198 | struct Address *a_tail; | ||
199 | |||
200 | /** | ||
201 | * Length of the @a a_head DLL. | ||
202 | */ | ||
203 | unsigned int a_length; | ||
204 | |||
205 | }; | ||
206 | |||
207 | |||
208 | /** | ||
209 | * Compute @a hash over addresses in @a builder. | ||
210 | * | ||
211 | * @param builder the builder to hash addresses of | ||
212 | * @param[out] hash where to write the hash | ||
213 | */ | ||
214 | static void | ||
215 | hash_addresses (const struct GNUNET_HELLO_Builder *builder, | ||
216 | struct GNUNET_HashCode *hash) | ||
217 | { | ||
218 | struct GNUNET_HashContext *hc; | ||
219 | |||
220 | hc = GNUNET_CRYPTO_hash_context_start (); | ||
221 | for (struct Address *a = builder->a_head; | ||
222 | NULL != a; | ||
223 | a = a->next) | ||
224 | { | ||
225 | GNUNET_CRYPTO_hash_context_read (hc, | ||
226 | a->uri, | ||
227 | a->uri_len); | ||
228 | } | ||
229 | GNUNET_CRYPTO_hash_context_finish (hc, | ||
230 | hash); | ||
231 | |||
232 | } | ||
233 | |||
234 | |||
235 | /** | ||
236 | * Create HELLO signature. | ||
237 | * | ||
238 | * @param builder the builder to use | ||
239 | * @param et expiration time to sign | ||
240 | * @param priv key to sign with | ||
241 | * @param[out] sig where to write the signature | ||
242 | */ | ||
243 | static void | ||
244 | sign_hello (const struct GNUNET_HELLO_Builder *builder, | ||
245 | struct GNUNET_TIME_Timestamp et, | ||
246 | const struct GNUNET_CRYPTO_EddsaPrivateKey *priv, | ||
247 | struct GNUNET_CRYPTO_EddsaSignature *sig) | ||
248 | { | ||
249 | struct HelloSignaturePurpose hsp = { | ||
250 | .purpose.size = htonl (sizeof (hsp)), | ||
251 | .purpose.purpose = htonl (GNUNET_SIGNATURE_PURPOSE_HELLO), | ||
252 | .expiration_time = GNUNET_TIME_absolute_hton (et.abs_time) | ||
253 | }; | ||
254 | |||
255 | hash_addresses (builder, | ||
256 | &hsp.h_addrs); | ||
257 | GNUNET_CRYPTO_eddsa_sign (priv, | ||
258 | &hsp, | ||
259 | sig); | ||
260 | } | ||
261 | |||
262 | |||
263 | /** | ||
264 | * Verify HELLO signature. | ||
265 | * | ||
266 | * @param builder the builder to use | ||
267 | * @param et expiration time to verify | ||
268 | * @param sig signature to verify | ||
269 | * @return #GNUNET_OK if everything is ok, #GNUNET_NO if the | ||
270 | * HELLO expired, #GNUNET_SYSERR if the signature is wrong | ||
271 | */ | ||
272 | static enum GNUNET_GenericReturnValue | ||
273 | verify_hello (const struct GNUNET_HELLO_Builder *builder, | ||
274 | struct GNUNET_TIME_Absolute et, | ||
275 | const struct GNUNET_CRYPTO_EddsaSignature *sig) | ||
276 | { | ||
277 | struct HelloSignaturePurpose hsp = { | ||
278 | .purpose.size = htonl (sizeof (hsp)), | ||
279 | .purpose.purpose = htonl (GNUNET_SIGNATURE_PURPOSE_HELLO), | ||
280 | .expiration_time = GNUNET_TIME_absolute_hton (et) | ||
281 | }; | ||
282 | |||
283 | hash_addresses (builder, | ||
284 | &hsp.h_addrs); | ||
285 | if (GNUNET_OK != | ||
286 | GNUNET_CRYPTO_eddsa_verify (GNUNET_SIGNATURE_PURPOSE_HELLO, | ||
287 | &hsp, | ||
288 | sig, | ||
289 | &builder->pid.public_key)) | ||
290 | { | ||
291 | GNUNET_break_op (0); | ||
292 | return GNUNET_SYSERR; | ||
293 | } | ||
294 | if (GNUNET_TIME_absolute_is_past (et)) | ||
295 | return GNUNET_NO; | ||
296 | return GNUNET_OK; | ||
297 | } | ||
298 | |||
299 | |||
300 | struct GNUNET_HELLO_Builder * | ||
301 | GNUNET_HELLO_builder_new (const struct GNUNET_PeerIdentity *pid) | ||
302 | { | ||
303 | struct GNUNET_HELLO_Builder *builder; | ||
304 | |||
305 | builder = GNUNET_new (struct GNUNET_HELLO_Builder); | ||
306 | builder->pid = *pid; | ||
307 | return builder; | ||
308 | } | ||
309 | |||
310 | |||
311 | void | ||
312 | GNUNET_HELLO_builder_free (struct GNUNET_HELLO_Builder *builder) | ||
313 | { | ||
314 | struct Address *a; | ||
315 | |||
316 | while (NULL != (a = builder->a_head)) | ||
317 | { | ||
318 | GNUNET_CONTAINER_DLL_remove (builder->a_head, | ||
319 | builder->a_tail, | ||
320 | a); | ||
321 | builder->a_length--; | ||
322 | GNUNET_free (a); | ||
323 | } | ||
324 | GNUNET_assert (0 == builder->a_length); | ||
325 | GNUNET_free (builder); | ||
326 | } | ||
327 | |||
328 | |||
329 | struct GNUNET_HELLO_Builder * | ||
330 | GNUNET_HELLO_builder_from_msg (const struct GNUNET_MessageHeader *msg) | ||
331 | { | ||
332 | const struct HelloUriMessage *h; | ||
333 | uint16_t size = ntohs (msg->size); | ||
334 | |||
335 | if (GNUNET_MESSAGE_TYPE_HELLO_URI != ntohs (msg->type)) | ||
336 | { | ||
337 | GNUNET_break (0); | ||
338 | return NULL; | ||
339 | } | ||
340 | if (sizeof (struct HelloUriMessage) > size) | ||
341 | { | ||
342 | GNUNET_break_op (0); | ||
343 | return NULL; | ||
344 | } | ||
345 | h = (const struct HelloUriMessage *) msg; | ||
346 | size -= sizeof (*h); | ||
347 | return GNUNET_HELLO_builder_from_block (&h[1], | ||
348 | size); | ||
349 | } | ||
350 | |||
351 | |||
352 | struct GNUNET_HELLO_Builder * | ||
353 | GNUNET_HELLO_builder_from_block (const void *block, | ||
354 | size_t block_size) | ||
355 | { | ||
356 | const struct BlockHeader *bh = block; | ||
357 | struct GNUNET_HELLO_Builder *b; | ||
358 | |||
359 | if (block_size < sizeof (*bh)) | ||
360 | { | ||
361 | GNUNET_break_op (0); | ||
362 | return NULL; | ||
363 | } | ||
364 | b = GNUNET_HELLO_builder_new (&bh->pid); | ||
365 | block += sizeof (*bh); | ||
366 | block_size -= sizeof (*bh); | ||
367 | while (block_size > 0) | ||
368 | { | ||
369 | const void *end = memchr (block, | ||
370 | '\0', | ||
371 | block_size); | ||
372 | |||
373 | if (NULL == end) | ||
374 | { | ||
375 | GNUNET_break_op (0); | ||
376 | GNUNET_HELLO_builder_free (b); | ||
377 | return NULL; | ||
378 | } | ||
379 | if (GNUNET_OK != | ||
380 | GNUNET_HELLO_builder_add_address (b, | ||
381 | block)) | ||
382 | { | ||
383 | GNUNET_break_op (0); | ||
384 | GNUNET_HELLO_builder_free (b); | ||
385 | return NULL; | ||
386 | } | ||
387 | end++; | ||
388 | block_size -= (end - block); | ||
389 | block = end; | ||
390 | } | ||
391 | { | ||
392 | enum GNUNET_GenericReturnValue ret; | ||
393 | |||
394 | ret = verify_hello (b, | ||
395 | GNUNET_TIME_absolute_ntoh (bh->expiration_time), | ||
396 | &bh->sig); | ||
397 | GNUNET_break (GNUNET_SYSERR != ret); | ||
398 | if (GNUNET_OK != ret) | ||
399 | { | ||
400 | GNUNET_HELLO_builder_free (b); | ||
401 | return NULL; | ||
402 | } | ||
403 | } | ||
404 | return b; | ||
405 | } | ||
406 | |||
407 | |||
408 | struct GNUNET_HELLO_Builder * | ||
409 | GNUNET_HELLO_builder_from_url (const char *url) | ||
410 | { | ||
411 | const char *q; | ||
412 | const char *s1; | ||
413 | const char *s2; | ||
414 | struct GNUNET_PeerIdentity pid; | ||
415 | struct GNUNET_CRYPTO_EddsaSignature sig; | ||
416 | struct GNUNET_TIME_Absolute et; | ||
417 | size_t len; | ||
418 | struct GNUNET_HELLO_Builder *b; | ||
419 | |||
420 | if (0 != strncasecmp (url, | ||
421 | "gnunet://hello/", | ||
422 | strlen ("gnunet://hello/"))) | ||
423 | return NULL; | ||
424 | url += strlen ("gnunet://hello/"); | ||
425 | s1 = strchr (url, '/'); | ||
426 | if (NULL == s1) | ||
427 | { | ||
428 | GNUNET_break_op (0); | ||
429 | return NULL; | ||
430 | } | ||
431 | s2 = strchr (s1 + 1, '/'); | ||
432 | if (NULL == s1) | ||
433 | { | ||
434 | GNUNET_break_op (0); | ||
435 | return NULL; | ||
436 | } | ||
437 | q = strchr (url, '?'); | ||
438 | if (NULL == q) | ||
439 | q = url + strlen (url); | ||
440 | if (GNUNET_OK != | ||
441 | GNUNET_STRINGS_string_to_data (url, | ||
442 | s1 - url, | ||
443 | &pid, | ||
444 | sizeof(pid))) | ||
445 | { | ||
446 | GNUNET_break_op (0); | ||
447 | return NULL; | ||
448 | } | ||
449 | if (GNUNET_OK != | ||
450 | GNUNET_STRINGS_string_to_data (s1 + 1, | ||
451 | s2 - (s1 + 1), | ||
452 | &sig, | ||
453 | sizeof(sig))) | ||
454 | { | ||
455 | GNUNET_break_op (0); | ||
456 | return NULL; | ||
457 | } | ||
458 | { | ||
459 | unsigned long long sec; | ||
460 | char dummy = '?'; | ||
461 | |||
462 | if ( (0 == sscanf (s2 + 1, | ||
463 | "%llu%c", | ||
464 | &sec, | ||
465 | &dummy)) || | ||
466 | ('?' != dummy) ) | ||
467 | { | ||
468 | GNUNET_break_op (0); | ||
469 | return NULL; | ||
470 | } | ||
471 | et = GNUNET_TIME_absolute_from_s (sec); | ||
472 | } | ||
473 | |||
474 | b = GNUNET_HELLO_builder_new (&pid); | ||
475 | len = strlen (q); | ||
476 | while (len > 0) | ||
477 | { | ||
478 | const char *eq; | ||
479 | const char *amp; | ||
480 | char *addr = NULL; | ||
481 | char *uri; | ||
482 | |||
483 | /* skip ?/& separator */ | ||
484 | len--; | ||
485 | q++; | ||
486 | eq = strchr (q, '='); | ||
487 | if ( (eq == q) || | ||
488 | (NULL == eq) ) | ||
489 | { | ||
490 | GNUNET_break_op (0); | ||
491 | GNUNET_HELLO_builder_free (b); | ||
492 | return NULL; | ||
493 | } | ||
494 | amp = strchr (eq, '&'); | ||
495 | if (NULL == amp) | ||
496 | amp = &q[len]; | ||
497 | GNUNET_STRINGS_urldecode (eq + 1, | ||
498 | amp - (eq + 1), | ||
499 | &addr); | ||
500 | if ( (NULL == addr) || | ||
501 | (0 == strlen (addr)) ) | ||
502 | { | ||
503 | GNUNET_free (addr); | ||
504 | GNUNET_break_op (0); | ||
505 | GNUNET_HELLO_builder_free (b); | ||
506 | return NULL; | ||
507 | } | ||
508 | GNUNET_asprintf (&uri, | ||
509 | "%.*s://%s", | ||
510 | (int) (eq - q), | ||
511 | q, | ||
512 | addr); | ||
513 | GNUNET_free (addr); | ||
514 | if (GNUNET_OK != | ||
515 | GNUNET_HELLO_builder_add_address (b, | ||
516 | uri)) | ||
517 | { | ||
518 | GNUNET_break_op (0); | ||
519 | GNUNET_free (uri); | ||
520 | GNUNET_HELLO_builder_free (b); | ||
521 | return NULL; | ||
522 | } | ||
523 | GNUNET_free (uri); | ||
524 | /* move to next URL */ | ||
525 | len -= (amp - q); | ||
526 | q = amp; | ||
527 | } | ||
528 | |||
529 | { | ||
530 | enum GNUNET_GenericReturnValue ret; | ||
531 | |||
532 | ret = verify_hello (b, | ||
533 | et, | ||
534 | &sig); | ||
535 | GNUNET_break (GNUNET_SYSERR != ret); | ||
536 | if (GNUNET_OK != ret) | ||
537 | { | ||
538 | GNUNET_HELLO_builder_free (b); | ||
539 | return NULL; | ||
540 | } | ||
541 | } | ||
542 | return b; | ||
543 | } | ||
544 | |||
545 | |||
546 | struct GNUNET_MQ_Envelope * | ||
547 | GNUNET_HELLO_builder_to_env (const struct GNUNET_HELLO_Builder *builder, | ||
548 | const struct GNUNET_CRYPTO_EddsaPrivateKey *priv) | ||
549 | { | ||
550 | struct GNUNET_MQ_Envelope *env; | ||
551 | struct HelloUriMessage *msg; | ||
552 | size_t blen; | ||
553 | |||
554 | if (builder->a_length > UINT16_MAX) | ||
555 | { | ||
556 | GNUNET_break (0); | ||
557 | return NULL; | ||
558 | } | ||
559 | blen = 0; | ||
560 | GNUNET_assert (GNUNET_NO == | ||
561 | GNUNET_HELLO_builder_to_block (builder, | ||
562 | priv, | ||
563 | NULL, | ||
564 | &blen)); | ||
565 | env = GNUNET_MQ_msg_extra (msg, | ||
566 | blen, | ||
567 | GNUNET_MESSAGE_TYPE_HELLO_URI); | ||
568 | msg->url_counter = htonl ((uint16_t) builder->a_length); | ||
569 | GNUNET_assert (GNUNET_OK == | ||
570 | GNUNET_HELLO_builder_to_block (builder, | ||
571 | priv, | ||
572 | &msg[1], | ||
573 | &blen)); | ||
574 | return env; | ||
575 | } | ||
576 | |||
577 | |||
578 | struct GNUNET_MessageHeader * | ||
579 | GNUNET_HELLO_builder_to_dht_hello_msg ( | ||
580 | const struct GNUNET_HELLO_Builder *builder, | ||
581 | const struct GNUNET_CRYPTO_EddsaPrivateKey *priv) | ||
582 | { | ||
583 | struct DhtHelloMessage *msg; | ||
584 | size_t blen; | ||
585 | |||
586 | if (builder->a_length > UINT16_MAX) | ||
587 | { | ||
588 | GNUNET_break (0); | ||
589 | return NULL; | ||
590 | } | ||
591 | blen = 0; | ||
592 | GNUNET_assert (GNUNET_NO == | ||
593 | GNUNET_HELLO_builder_to_block (builder, | ||
594 | priv, | ||
595 | NULL, | ||
596 | &blen)); | ||
597 | GNUNET_assert (blen < UINT16_MAX); | ||
598 | GNUNET_assert (blen >= sizeof (struct BlockHeader)); | ||
599 | { | ||
600 | char buf[blen] GNUNET_ALIGN; | ||
601 | const struct BlockHeader *block = (const struct BlockHeader *) buf; | ||
602 | |||
603 | GNUNET_assert (GNUNET_OK == | ||
604 | GNUNET_HELLO_builder_to_block (builder, | ||
605 | priv, | ||
606 | buf, | ||
607 | &blen)); | ||
608 | msg = GNUNET_malloc (sizeof (*msg) | ||
609 | + blen | ||
610 | - sizeof (*block)); | ||
611 | msg->header.type = htons (GNUNET_MESSAGE_TYPE_DHT_P2P_HELLO); | ||
612 | msg->header.size = htons (sizeof (*msg) | ||
613 | + blen | ||
614 | - sizeof (*block)); | ||
615 | memcpy (&msg[1], | ||
616 | &block[1], | ||
617 | blen - sizeof (*block)); | ||
618 | msg->sig = block->sig; | ||
619 | msg->expiration_time = block->expiration_time; | ||
620 | } | ||
621 | msg->url_counter = htonl ((uint16_t) builder->a_length); | ||
622 | return &msg->header; | ||
623 | } | ||
624 | |||
625 | |||
626 | char * | ||
627 | GNUNET_HELLO_builder_to_url (const struct GNUNET_HELLO_Builder *builder, | ||
628 | const struct GNUNET_CRYPTO_EddsaPrivateKey *priv) | ||
629 | { | ||
630 | struct GNUNET_CRYPTO_EddsaSignature sig; | ||
631 | struct GNUNET_TIME_Timestamp et; | ||
632 | char *result; | ||
633 | char *pids; | ||
634 | char *sigs; | ||
635 | const char *sep = "?"; | ||
636 | |||
637 | et = GNUNET_TIME_relative_to_timestamp (GNUNET_HELLO_ADDRESS_EXPIRATION); | ||
638 | sign_hello (builder, | ||
639 | et, | ||
640 | priv, | ||
641 | &sig); | ||
642 | pids = GNUNET_STRINGS_data_to_string_alloc (&builder->pid, | ||
643 | sizeof (builder->pid)); | ||
644 | sigs = GNUNET_STRINGS_data_to_string_alloc (&sig, | ||
645 | sizeof (sig)); | ||
646 | GNUNET_asprintf (&result, | ||
647 | "gnunet://hello/%s/%s/%llu", | ||
648 | pids, | ||
649 | sigs, | ||
650 | (unsigned long long) GNUNET_TIME_timestamp_to_s (et)); | ||
651 | GNUNET_free (sigs); | ||
652 | GNUNET_free (pids); | ||
653 | for (struct Address *a = builder->a_head; | ||
654 | NULL != a; | ||
655 | a = a->next) | ||
656 | { | ||
657 | char *ue; | ||
658 | char *tmp; | ||
659 | int pfx_len; | ||
660 | const char *eou; | ||
661 | |||
662 | eou = strstr (a->uri, | ||
663 | "://"); | ||
664 | if (NULL == eou) | ||
665 | { | ||
666 | GNUNET_break (0); | ||
667 | GNUNET_free (result); | ||
668 | return NULL; | ||
669 | } | ||
670 | pfx_len = eou - a->uri; | ||
671 | eou += 3; | ||
672 | GNUNET_STRINGS_urlencode (eou, | ||
673 | a->uri_len - 4 - pfx_len, | ||
674 | &ue); | ||
675 | GNUNET_asprintf (&tmp, | ||
676 | "%s%s%.*s=%s", | ||
677 | result, | ||
678 | sep, | ||
679 | pfx_len, | ||
680 | a->uri, | ||
681 | ue); | ||
682 | GNUNET_free (ue); | ||
683 | GNUNET_free (result); | ||
684 | result = tmp; | ||
685 | sep = "&"; | ||
686 | } | ||
687 | return result; | ||
688 | } | ||
689 | |||
690 | |||
691 | enum GNUNET_GenericReturnValue | ||
692 | GNUNET_HELLO_builder_to_block (const struct GNUNET_HELLO_Builder *builder, | ||
693 | const struct GNUNET_CRYPTO_EddsaPrivateKey *priv, | ||
694 | void *block, | ||
695 | size_t *block_size) | ||
696 | { | ||
697 | struct BlockHeader bh; | ||
698 | size_t needed = sizeof (bh); | ||
699 | char *pos; | ||
700 | struct GNUNET_TIME_Timestamp et; | ||
701 | |||
702 | for (struct Address *a = builder->a_head; | ||
703 | NULL != a; | ||
704 | a = a->next) | ||
705 | { | ||
706 | GNUNET_assert (needed + a->uri_len > needed); | ||
707 | needed += a->uri_len; | ||
708 | } | ||
709 | if ( (NULL == block) || | ||
710 | (needed < *block_size) ) | ||
711 | { | ||
712 | *block_size = needed; | ||
713 | return GNUNET_NO; | ||
714 | } | ||
715 | bh.pid = builder->pid; | ||
716 | et = GNUNET_TIME_relative_to_timestamp (GNUNET_HELLO_ADDRESS_EXPIRATION); | ||
717 | bh.expiration_time = GNUNET_TIME_absolute_hton (et.abs_time); | ||
718 | sign_hello (builder, | ||
719 | et, | ||
720 | priv, | ||
721 | &bh.sig); | ||
722 | memcpy (block, | ||
723 | &bh, | ||
724 | sizeof (bh)); | ||
725 | pos = block + sizeof (bh); | ||
726 | for (struct Address *a = builder->a_head; | ||
727 | NULL != a; | ||
728 | a = a->next) | ||
729 | { | ||
730 | memcpy (pos, | ||
731 | a->uri, | ||
732 | a->uri_len); | ||
733 | pos += a->uri_len; | ||
734 | } | ||
735 | *block_size = needed; | ||
736 | return GNUNET_OK; | ||
737 | } | ||
738 | |||
739 | |||
740 | enum GNUNET_GenericReturnValue | ||
741 | GNUNET_HELLO_builder_add_address (struct GNUNET_HELLO_Builder *builder, | ||
742 | const char *address) | ||
743 | { | ||
744 | size_t alen = strlen (address) + 1; | ||
745 | struct Address *a; | ||
746 | const char *e; | ||
747 | |||
748 | if (NULL == (e = strstr (address, | ||
749 | "://"))) | ||
750 | { | ||
751 | GNUNET_break_op (0); | ||
752 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
753 | "Invalid address `%s'\n", | ||
754 | address); | ||
755 | return GNUNET_SYSERR; | ||
756 | } | ||
757 | if (e == address) | ||
758 | { | ||
759 | GNUNET_break_op (0); | ||
760 | return GNUNET_SYSERR; | ||
761 | } | ||
762 | for (const char *p = address; p != e; p++) | ||
763 | if ( (! isalpha ((unsigned char) *p)) && | ||
764 | ('+' != *p) ) | ||
765 | { | ||
766 | GNUNET_break_op (0); | ||
767 | return GNUNET_SYSERR; | ||
768 | } | ||
769 | /* check for duplicates */ | ||
770 | for (a = builder->a_head; | ||
771 | NULL != a; | ||
772 | a = a->next) | ||
773 | if (0 == strcmp (address, | ||
774 | a->uri)) | ||
775 | return GNUNET_NO; | ||
776 | a = GNUNET_malloc (sizeof (struct Address) + alen); | ||
777 | a->uri_len = alen; | ||
778 | memcpy (&a[1], | ||
779 | address, | ||
780 | alen); | ||
781 | a->uri = (const char *) &a[1]; | ||
782 | GNUNET_CONTAINER_DLL_insert_tail (builder->a_head, | ||
783 | builder->a_tail, | ||
784 | a); | ||
785 | builder->a_length++; | ||
786 | return GNUNET_OK; | ||
787 | } | ||
788 | |||
789 | |||
790 | enum GNUNET_GenericReturnValue | ||
791 | GNUNET_HELLO_builder_del_address (struct GNUNET_HELLO_Builder *builder, | ||
792 | const char *address) | ||
793 | { | ||
794 | struct Address *a; | ||
795 | |||
796 | /* check for duplicates */ | ||
797 | for (a = builder->a_head; | ||
798 | NULL != a; | ||
799 | a = a->next) | ||
800 | if (0 == strcmp (address, | ||
801 | a->uri)) | ||
802 | break; | ||
803 | if (NULL == a) | ||
804 | return GNUNET_NO; | ||
805 | GNUNET_CONTAINER_DLL_remove (builder->a_head, | ||
806 | builder->a_tail, | ||
807 | a); | ||
808 | builder->a_length--; | ||
809 | GNUNET_free (a); | ||
810 | return GNUNET_OK; | ||
811 | } | ||
812 | |||
813 | |||
814 | void | ||
815 | GNUNET_HELLO_builder_iterate (const struct GNUNET_HELLO_Builder *builder, | ||
816 | struct GNUNET_PeerIdentity *pid, | ||
817 | GNUNET_HELLO_UriCallback uc, | ||
818 | void *uc_cls) | ||
819 | { | ||
820 | struct Address *nxt; | ||
821 | |||
822 | *pid = builder->pid; | ||
823 | if (NULL == uc) | ||
824 | return; | ||
825 | for (struct Address *a = builder->a_head; | ||
826 | NULL != a; | ||
827 | a = nxt) | ||
828 | { | ||
829 | nxt = a->next; | ||
830 | uc (uc_cls, | ||
831 | a->uri); | ||
832 | } | ||
833 | } | ||
834 | |||
835 | |||
836 | enum GNUNET_GenericReturnValue | ||
837 | GNUNET_HELLO_dht_msg_to_block (const struct GNUNET_MessageHeader *hello, | ||
838 | const struct GNUNET_PeerIdentity *pid, | ||
839 | void **block, | ||
840 | size_t *block_size, | ||
841 | struct GNUNET_TIME_Absolute *block_expiration) | ||
842 | { | ||
843 | const struct DhtHelloMessage *msg | ||
844 | = (const struct DhtHelloMessage *) hello; | ||
845 | uint16_t len = ntohs (hello->size); | ||
846 | struct BlockHeader *bh; | ||
847 | struct GNUNET_HELLO_Builder *b; | ||
848 | enum GNUNET_GenericReturnValue ret; | ||
849 | |||
850 | if (GNUNET_MESSAGE_TYPE_DHT_P2P_HELLO != ntohs (hello->type)) | ||
851 | { | ||
852 | GNUNET_break (0); | ||
853 | return GNUNET_SYSERR; | ||
854 | } | ||
855 | if (len < sizeof (*msg)) | ||
856 | { | ||
857 | GNUNET_break_op (0); | ||
858 | return GNUNET_SYSERR; | ||
859 | } | ||
860 | len -= sizeof (*msg); | ||
861 | *block_size = len + sizeof (*bh); | ||
862 | *block = GNUNET_malloc (*block_size); | ||
863 | bh = *block; | ||
864 | bh->pid = *pid; | ||
865 | bh->sig = msg->sig; | ||
866 | bh->expiration_time = msg->expiration_time; | ||
867 | *block_expiration = GNUNET_TIME_absolute_ntoh (msg->expiration_time); | ||
868 | memcpy (&bh[1], | ||
869 | &msg[1], | ||
870 | len); | ||
871 | b = GNUNET_HELLO_builder_from_block (*block, | ||
872 | *block_size); | ||
873 | if (NULL == b) | ||
874 | { | ||
875 | GNUNET_break_op (0); | ||
876 | GNUNET_free (*block); | ||
877 | *block_size = 0; | ||
878 | return GNUNET_SYSERR; | ||
879 | } | ||
880 | ret = verify_hello (b, | ||
881 | *block_expiration, | ||
882 | &msg->sig); | ||
883 | GNUNET_HELLO_builder_free (b); | ||
884 | if (GNUNET_SYSERR == ret) | ||
885 | { | ||
886 | GNUNET_free (*block); | ||
887 | *block_size = 0; | ||
888 | return GNUNET_SYSERR; | ||
889 | } | ||
890 | return ret; | ||
891 | } | ||
diff --git a/src/hello/hello.c b/src/hello/hello.c deleted file mode 100644 index 12b576ceb..000000000 --- a/src/hello/hello.c +++ /dev/null | |||
@@ -1,1271 +0,0 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | Copyright (C) 2009, 2015 GNUnet e.V. | ||
4 | |||
5 | GNUnet is free software: you can redistribute it and/or modify it | ||
6 | under the terms of the GNU Affero General Public License as published | ||
7 | by the Free Software Foundation, either version 3 of the License, | ||
8 | or (at your 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 | Affero General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Affero General Public License | ||
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
17 | |||
18 | SPDX-License-Identifier: AGPL3.0-or-later | ||
19 | */ | ||
20 | |||
21 | /** | ||
22 | * @file hello/hello.c | ||
23 | * @brief helper library for handling HELLOs | ||
24 | * @author Christian Grothoff | ||
25 | * @author Matthias Wachs | ||
26 | */ | ||
27 | #include "platform.h" | ||
28 | #include "gnunet_hello_lib.h" | ||
29 | #include "gnunet_protocols.h" | ||
30 | #include "gnunet_util_lib.h" | ||
31 | #include "gnunet_transport_plugin.h" | ||
32 | |||
33 | /** | ||
34 | * Context used for building our own URI. | ||
35 | */ | ||
36 | struct GNUNET_HELLO_ComposeUriContext | ||
37 | { | ||
38 | /** | ||
39 | * Final URI. | ||
40 | */ | ||
41 | char *uri; | ||
42 | |||
43 | /** | ||
44 | * Function for finding transport plugins by name. | ||
45 | */ | ||
46 | GNUNET_HELLO_TransportPluginsFind plugins_find; | ||
47 | }; | ||
48 | |||
49 | |||
50 | /** | ||
51 | * Context for #add_address_to_hello(). | ||
52 | */ | ||
53 | struct GNUNET_HELLO_ParseUriContext | ||
54 | { | ||
55 | /** | ||
56 | * Position in the URI with the next address to parse. | ||
57 | */ | ||
58 | const char *pos; | ||
59 | |||
60 | /** | ||
61 | * Set to #GNUNET_SYSERR to indicate parse errors. | ||
62 | */ | ||
63 | int ret; | ||
64 | |||
65 | /** | ||
66 | * Counter | ||
67 | */ | ||
68 | unsigned int counter_total; | ||
69 | |||
70 | /** | ||
71 | * Counter skipped addresses | ||
72 | */ | ||
73 | unsigned int counter_added; | ||
74 | |||
75 | /** | ||
76 | * Function for finding transport plugins by name. | ||
77 | */ | ||
78 | GNUNET_HELLO_TransportPluginsFind plugins_find; | ||
79 | }; | ||
80 | |||
81 | |||
82 | /** | ||
83 | * Return HELLO type | ||
84 | * | ||
85 | * @param h HELLO Message to test | ||
86 | * @return #GNUNET_YES for friend-only or #GNUNET_NO otherwise | ||
87 | */ | ||
88 | int | ||
89 | GNUNET_HELLO_is_friend_only (const struct GNUNET_HELLO_Message *h) | ||
90 | { | ||
91 | if (GNUNET_YES == ntohl (h->friend_only)) | ||
92 | return GNUNET_YES; | ||
93 | return GNUNET_NO; | ||
94 | } | ||
95 | |||
96 | |||
97 | /** | ||
98 | * Copy the given address information into | ||
99 | * the given buffer using the format of HELLOs. | ||
100 | * | ||
101 | * @param address the address | ||
102 | * @param expiration expiration for the @a address | ||
103 | * @param target where to copy the @a address | ||
104 | * @param max maximum number of bytes to copy to target | ||
105 | * @return number of bytes copied, 0 if | ||
106 | * the target buffer was not big enough. | ||
107 | */ | ||
108 | size_t | ||
109 | GNUNET_HELLO_add_address (const struct GNUNET_HELLO_Address *address, | ||
110 | struct GNUNET_TIME_Absolute expiration, | ||
111 | char *target, | ||
112 | size_t max) | ||
113 | { | ||
114 | uint16_t alen; | ||
115 | size_t slen; | ||
116 | struct GNUNET_TIME_AbsoluteNBO exp; | ||
117 | |||
118 | slen = strlen (address->transport_name) + 1; | ||
119 | if (slen + sizeof(uint16_t) + sizeof(struct GNUNET_TIME_AbsoluteNBO) | ||
120 | + address->address_length > max) | ||
121 | return 0; | ||
122 | exp = GNUNET_TIME_absolute_hton (expiration); | ||
123 | alen = htons ((uint16_t) address->address_length); | ||
124 | GNUNET_memcpy (target, address->transport_name, slen); | ||
125 | GNUNET_memcpy (&target[slen], &alen, sizeof(uint16_t)); | ||
126 | slen += sizeof(uint16_t); | ||
127 | GNUNET_memcpy (&target[slen], &exp, sizeof(struct GNUNET_TIME_AbsoluteNBO)); | ||
128 | slen += sizeof(struct GNUNET_TIME_AbsoluteNBO); | ||
129 | GNUNET_memcpy (&target[slen], address->address, address->address_length); | ||
130 | slen += address->address_length; | ||
131 | return slen; | ||
132 | } | ||
133 | |||
134 | |||
135 | /** | ||
136 | * Get the size of an address entry in a HELLO message. | ||
137 | * | ||
138 | * @param buf pointer to the start of the address entry | ||
139 | * @param max maximum size of the entry (end of @a buf) | ||
140 | * @param ralen set to the address length | ||
141 | * @return size of the entry, or 0 if @a max is not large enough | ||
142 | */ | ||
143 | static size_t | ||
144 | get_hello_address_size (const char *buf, | ||
145 | size_t max, | ||
146 | uint16_t *ralen) | ||
147 | { | ||
148 | const char *pos; | ||
149 | uint16_t alen; | ||
150 | size_t left; | ||
151 | size_t slen; | ||
152 | |||
153 | left = max; | ||
154 | pos = buf; | ||
155 | slen = 1; | ||
156 | while ((left > 0) && ('\0' != *pos)) | ||
157 | { | ||
158 | left--; | ||
159 | pos++; | ||
160 | slen++; | ||
161 | } | ||
162 | if (0 == left) | ||
163 | { | ||
164 | /* 0-termination not found */ | ||
165 | GNUNET_break_op (0); | ||
166 | return 0; | ||
167 | } | ||
168 | pos++; | ||
169 | if (left < sizeof(uint16_t) + sizeof(struct GNUNET_TIME_AbsoluteNBO)) | ||
170 | { | ||
171 | /* not enough space for addrlen */ | ||
172 | GNUNET_break_op (0); | ||
173 | return 0; | ||
174 | } | ||
175 | GNUNET_memcpy (&alen, pos, sizeof(uint16_t)); | ||
176 | alen = ntohs (alen); | ||
177 | *ralen = alen; | ||
178 | slen += alen + sizeof(uint16_t) + sizeof(struct GNUNET_TIME_AbsoluteNBO); | ||
179 | if (max < slen) | ||
180 | { | ||
181 | /* not enough space for addr */ | ||
182 | GNUNET_break_op (0); | ||
183 | return 0; | ||
184 | } | ||
185 | return slen; | ||
186 | } | ||
187 | |||
188 | |||
189 | /** | ||
190 | * Construct a HELLO message given the public key, | ||
191 | * expiration time and an iterator that spews the | ||
192 | * transport addresses. | ||
193 | * | ||
194 | * If friend only is set to #GNUNET_YES we create a FRIEND_HELLO which | ||
195 | * will not be gossiped to other peers. | ||
196 | * | ||
197 | * @param public_key public key to include in the HELLO | ||
198 | * @param addrgen callback to invoke to get addresses | ||
199 | * @param addrgen_cls closure for @a addrgen | ||
200 | * @param friend_only should the returned HELLO be only visible to friends? | ||
201 | * @return the hello message | ||
202 | */ | ||
203 | struct GNUNET_HELLO_Message * | ||
204 | GNUNET_HELLO_create (const struct GNUNET_CRYPTO_EddsaPublicKey *public_key, | ||
205 | GNUNET_HELLO_GenerateAddressListCallback addrgen, | ||
206 | void *addrgen_cls, | ||
207 | int friend_only) | ||
208 | { | ||
209 | char buffer[GNUNET_MAX_MESSAGE_SIZE - 1 - 256 | ||
210 | - sizeof(struct GNUNET_HELLO_Message)]; | ||
211 | size_t max; | ||
212 | size_t used; | ||
213 | size_t ret; | ||
214 | struct GNUNET_HELLO_Message *hello; | ||
215 | |||
216 | GNUNET_assert (NULL != public_key); | ||
217 | GNUNET_assert ((GNUNET_YES == friend_only) || | ||
218 | (GNUNET_NO == friend_only)); | ||
219 | max = sizeof(buffer); | ||
220 | used = 0; | ||
221 | if (NULL != addrgen) | ||
222 | { | ||
223 | while (GNUNET_SYSERR != (ret = addrgen (addrgen_cls, | ||
224 | max, | ||
225 | &buffer[used]))) | ||
226 | { | ||
227 | max -= ret; | ||
228 | used += ret; | ||
229 | } | ||
230 | } | ||
231 | hello = GNUNET_malloc (sizeof(struct GNUNET_HELLO_Message) + used); | ||
232 | hello->header.type = htons (GNUNET_MESSAGE_TYPE_HELLO); | ||
233 | hello->header.size = htons (sizeof(struct GNUNET_HELLO_Message) + used); | ||
234 | hello->friend_only = htonl (friend_only); | ||
235 | hello->publicKey = *public_key; | ||
236 | GNUNET_memcpy (&hello[1], | ||
237 | buffer, | ||
238 | used); | ||
239 | return hello; | ||
240 | } | ||
241 | |||
242 | |||
243 | /** | ||
244 | * Iterate over all of the addresses in the HELLO. | ||
245 | * | ||
246 | * @param msg HELLO to iterate over | ||
247 | * @param return_modified if a modified copy should be returned, | ||
248 | * otherwise NULL will be returned | ||
249 | * @param it iterator to call on each address | ||
250 | * @param it_cls closure for @a it | ||
251 | * @return modified HELLO message | ||
252 | */ | ||
253 | struct GNUNET_HELLO_Message * | ||
254 | GNUNET_HELLO_iterate_addresses (const struct GNUNET_HELLO_Message *msg, | ||
255 | int return_modified, | ||
256 | GNUNET_HELLO_AddressIterator it, | ||
257 | void *it_cls) | ||
258 | { | ||
259 | struct GNUNET_HELLO_Address address; | ||
260 | uint16_t msize; | ||
261 | struct GNUNET_HELLO_Message *ret; | ||
262 | const char *inptr; | ||
263 | size_t insize; | ||
264 | size_t esize; | ||
265 | size_t wpos; | ||
266 | char *woff; | ||
267 | uint16_t alen; | ||
268 | struct GNUNET_TIME_AbsoluteNBO expire; | ||
269 | int iret; | ||
270 | |||
271 | msize = GNUNET_HELLO_size (msg); | ||
272 | if ((msize < sizeof(struct GNUNET_HELLO_Message)) || | ||
273 | (ntohs (msg->header.type) != GNUNET_MESSAGE_TYPE_HELLO)) | ||
274 | { | ||
275 | GNUNET_break_op (0); | ||
276 | return NULL; | ||
277 | } | ||
278 | ret = NULL; | ||
279 | if (return_modified) | ||
280 | { | ||
281 | ret = GNUNET_malloc (msize); | ||
282 | GNUNET_memcpy (ret, | ||
283 | msg, | ||
284 | msize); | ||
285 | } | ||
286 | inptr = (const char *) &msg[1]; | ||
287 | insize = msize - sizeof(struct GNUNET_HELLO_Message); | ||
288 | wpos = 0; | ||
289 | woff = (NULL != ret) ? (char *) &ret[1] : NULL; | ||
290 | address.peer.public_key = msg->publicKey; | ||
291 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
292 | "HELLO has %u bytes of address data\n", | ||
293 | (unsigned int) insize); | ||
294 | |||
295 | while (insize > 0) | ||
296 | { | ||
297 | esize = get_hello_address_size (inptr, | ||
298 | insize, | ||
299 | &alen); | ||
300 | if (0 == esize) | ||
301 | { | ||
302 | GNUNET_break (0); | ||
303 | GNUNET_free (ret); | ||
304 | return NULL; | ||
305 | } | ||
306 | /* need GNUNET_memcpy() due to possibility of misalignment */ | ||
307 | GNUNET_memcpy (&expire, | ||
308 | &inptr[esize - alen - sizeof(struct | ||
309 | GNUNET_TIME_AbsoluteNBO)], | ||
310 | sizeof(struct GNUNET_TIME_AbsoluteNBO)); | ||
311 | address.address = &inptr[esize - alen]; | ||
312 | address.address_length = alen; | ||
313 | address.transport_name = inptr; | ||
314 | address.local_info = GNUNET_HELLO_ADDRESS_INFO_NONE; | ||
315 | iret = it (it_cls, | ||
316 | &address, | ||
317 | GNUNET_TIME_absolute_ntoh (expire)); | ||
318 | if (GNUNET_SYSERR == iret) | ||
319 | break; | ||
320 | if ((GNUNET_OK == iret) && | ||
321 | (NULL != ret)) | ||
322 | { | ||
323 | /* copy address over */ | ||
324 | GNUNET_memcpy (woff, | ||
325 | inptr, | ||
326 | esize); | ||
327 | woff += esize; | ||
328 | wpos += esize; | ||
329 | } | ||
330 | insize -= esize; | ||
331 | inptr += esize; | ||
332 | } | ||
333 | if (NULL != ret) | ||
334 | ret->header.size = ntohs (sizeof(struct GNUNET_HELLO_Message) + wpos); | ||
335 | return ret; | ||
336 | } | ||
337 | |||
338 | |||
339 | /** | ||
340 | * Closure for #get_match_exp(). | ||
341 | */ | ||
342 | struct ExpireContext | ||
343 | { | ||
344 | /** | ||
345 | * Address we are looking for. | ||
346 | */ | ||
347 | const struct GNUNET_HELLO_Address *address; | ||
348 | |||
349 | /** | ||
350 | * Set to #GNUNET_YES if we found the @e address. | ||
351 | */ | ||
352 | int found; | ||
353 | |||
354 | /** | ||
355 | * Set to the expiration of the match if @e found is #GNUNET_YES. | ||
356 | */ | ||
357 | struct GNUNET_TIME_Absolute expiration; | ||
358 | }; | ||
359 | |||
360 | |||
361 | /** | ||
362 | * Store the expiration time of an address that matches the template. | ||
363 | * | ||
364 | * @param cls the `struct ExpireContext` | ||
365 | * @param address address to match against the template | ||
366 | * @param expiration expiration time of @a address, to store in @a cls | ||
367 | * @return #GNUNET_SYSERR if we found a matching address, #GNUNET_OK otherwise | ||
368 | */ | ||
369 | static int | ||
370 | get_match_exp (void *cls, | ||
371 | const struct GNUNET_HELLO_Address *address, | ||
372 | struct GNUNET_TIME_Absolute expiration) | ||
373 | { | ||
374 | struct ExpireContext *ec = cls; | ||
375 | |||
376 | if (0 != GNUNET_HELLO_address_cmp (address, | ||
377 | ec->address)) | ||
378 | return GNUNET_OK; | ||
379 | ec->found = GNUNET_YES; | ||
380 | ec->expiration = expiration; | ||
381 | return GNUNET_SYSERR; /* done here */ | ||
382 | } | ||
383 | |||
384 | |||
385 | /** | ||
386 | * Context for a #GNUNET_HELLO_Merge operation. | ||
387 | */ | ||
388 | struct MergeContext | ||
389 | { | ||
390 | /** | ||
391 | * First HELLO we are merging. | ||
392 | */ | ||
393 | const struct GNUNET_HELLO_Message *h1; | ||
394 | |||
395 | /** | ||
396 | * Second HELLO we are merging. | ||
397 | */ | ||
398 | const struct GNUNET_HELLO_Message *h2; | ||
399 | |||
400 | /** | ||
401 | * Either @e h1 or @e h2, used when copying | ||
402 | * to compare against (so we only copy the | ||
403 | * most recent entry). | ||
404 | */ | ||
405 | const struct GNUNET_HELLO_Message *other; | ||
406 | |||
407 | /** | ||
408 | * Buffer where we copy to. | ||
409 | */ | ||
410 | char *buf; | ||
411 | |||
412 | /** | ||
413 | * Number of bytes allocated in @e buf | ||
414 | */ | ||
415 | size_t max; | ||
416 | |||
417 | /** | ||
418 | * Current (write) offset in @e buf. | ||
419 | */ | ||
420 | size_t ret; | ||
421 | |||
422 | /** | ||
423 | * Should we copy addresses with an identical value | ||
424 | * and expiration time in @e other, or do we only | ||
425 | * copy addresses with strictly later expiration times? | ||
426 | */ | ||
427 | int take_equal; | ||
428 | }; | ||
429 | |||
430 | |||
431 | /** | ||
432 | * Append the address @a address to the buffer from | ||
433 | * the merge context IF it is more recent than equivalent | ||
434 | * addresses in `other`. | ||
435 | * | ||
436 | * @param cls the `struct MergeContext` | ||
437 | * @param address the HELLO address we might copy | ||
438 | * @param expiration expiration time for @a address | ||
439 | * @return always #GNUNET_OK | ||
440 | */ | ||
441 | static int | ||
442 | copy_latest (void *cls, | ||
443 | const struct GNUNET_HELLO_Address *address, | ||
444 | struct GNUNET_TIME_Absolute expiration) | ||
445 | { | ||
446 | struct MergeContext *mc = cls; | ||
447 | struct ExpireContext ec; | ||
448 | |||
449 | ec.address = address; | ||
450 | ec.found = GNUNET_NO; | ||
451 | /* check if address exists in other */ | ||
452 | GNUNET_HELLO_iterate_addresses (mc->other, | ||
453 | GNUNET_NO, | ||
454 | &get_match_exp, | ||
455 | &ec); | ||
456 | if ((GNUNET_NO == ec.found) || | ||
457 | (ec.expiration.abs_value_us < expiration.abs_value_us) || | ||
458 | ((ec.expiration.abs_value_us == expiration.abs_value_us) && | ||
459 | (GNUNET_YES == mc->take_equal))) | ||
460 | { | ||
461 | /* copy address to buffer */ | ||
462 | mc->ret += | ||
463 | GNUNET_HELLO_add_address (address, | ||
464 | expiration, | ||
465 | &mc->buf[mc->ret], | ||
466 | mc->max - mc->ret); | ||
467 | } | ||
468 | return GNUNET_OK; | ||
469 | } | ||
470 | |||
471 | |||
472 | /** | ||
473 | * Function called to build the HELLO during | ||
474 | * #GNUNET_HELLO_merge() by merging addresses from | ||
475 | * two original HELLOs. | ||
476 | * | ||
477 | * @param cls the `struct MergeContext` | ||
478 | * @param max number of bytes we can write at most in @a buf | ||
479 | * @param buf where to copy the addresses | ||
480 | * @return #GNUNET_SYSERR to end iteration, otherwise number of bytes written to @a buf | ||
481 | */ | ||
482 | static ssize_t | ||
483 | merge_addr (void *cls, | ||
484 | size_t max, | ||
485 | void *buf) | ||
486 | { | ||
487 | struct MergeContext *mc = cls; | ||
488 | |||
489 | if (NULL == mc->h1) | ||
490 | return GNUNET_SYSERR; /* Stop iteration */ | ||
491 | mc->ret = 0; | ||
492 | mc->max = max; | ||
493 | mc->buf = buf; | ||
494 | mc->take_equal = GNUNET_NO; | ||
495 | mc->other = mc->h2; | ||
496 | /* copy addresses from h1, if strictly larger expiration than h2 */ | ||
497 | GNUNET_HELLO_iterate_addresses (mc->h1, | ||
498 | GNUNET_NO, | ||
499 | ©_latest, | ||
500 | mc); | ||
501 | mc->take_equal = GNUNET_YES; | ||
502 | mc->other = mc->h1; | ||
503 | /* copy addresses from h2, if larger or equal expiration than h1 */ | ||
504 | GNUNET_HELLO_iterate_addresses (mc->h2, | ||
505 | GNUNET_NO, | ||
506 | ©_latest, | ||
507 | mc); | ||
508 | /* set marker to stop iteration */ | ||
509 | mc->h1 = NULL; | ||
510 | return mc->ret; | ||
511 | } | ||
512 | |||
513 | |||
514 | /** | ||
515 | * Construct a HELLO message by merging the | ||
516 | * addresses in two existing HELLOs (which | ||
517 | * must be for the same peer). | ||
518 | * | ||
519 | * @param h1 first HELLO message | ||
520 | * @param h2 the second HELLO message | ||
521 | * @return the combined HELLO message | ||
522 | */ | ||
523 | struct GNUNET_HELLO_Message * | ||
524 | GNUNET_HELLO_merge (const struct GNUNET_HELLO_Message *h1, | ||
525 | const struct GNUNET_HELLO_Message *h2) | ||
526 | { | ||
527 | struct MergeContext mc = { h1, h2, NULL, NULL, 0, 0, 0 }; | ||
528 | int friend_only; | ||
529 | |||
530 | if (h1->friend_only != h2->friend_only) | ||
531 | friend_only = GNUNET_YES; /* One of the HELLOs is friend only */ | ||
532 | else | ||
533 | friend_only = ntohl (h1->friend_only); /* Both HELLO's have the same type */ | ||
534 | |||
535 | return GNUNET_HELLO_create (&h1->publicKey, | ||
536 | &merge_addr, | ||
537 | &mc, | ||
538 | friend_only); | ||
539 | } | ||
540 | |||
541 | |||
542 | /** | ||
543 | * Context used in #GNUNET_HELLO_iterate_new_addresses() to | ||
544 | * figure out which addresses are in fact 'new'. | ||
545 | */ | ||
546 | struct DeltaContext | ||
547 | { | ||
548 | /** | ||
549 | * We should ignore addresses that expire before this time. | ||
550 | */ | ||
551 | struct GNUNET_TIME_Absolute expiration_limit; | ||
552 | |||
553 | /** | ||
554 | * Function to call on addresses that are indeed new. | ||
555 | */ | ||
556 | GNUNET_HELLO_AddressIterator it; | ||
557 | |||
558 | /** | ||
559 | * Closure for @e it. | ||
560 | */ | ||
561 | void *it_cls; | ||
562 | |||
563 | /** | ||
564 | * HELLO with known addresses, addresses in this HELLO | ||
565 | * we must always ignore. | ||
566 | */ | ||
567 | const struct GNUNET_HELLO_Message *old_hello; | ||
568 | }; | ||
569 | |||
570 | |||
571 | /** | ||
572 | * Check if the given address is 'new', and if so, call | ||
573 | * the iterator. Compares the existing address against | ||
574 | * addresses in the context's `old_hello` and calls the | ||
575 | * iterator on those that are new (and not expired). | ||
576 | * | ||
577 | * @param cls the `struct DeltaContext` | ||
578 | * @param address an address to check whether it is new | ||
579 | * @param expiration expiration time for @a address | ||
580 | * @return #GNUNET_YES if the address is ignored, otherwise | ||
581 | * whatever the iterator returned. | ||
582 | */ | ||
583 | static int | ||
584 | delta_match (void *cls, | ||
585 | const struct GNUNET_HELLO_Address *address, | ||
586 | struct GNUNET_TIME_Absolute expiration) | ||
587 | { | ||
588 | struct DeltaContext *dc = cls; | ||
589 | int ret; | ||
590 | struct ExpireContext ec; | ||
591 | |||
592 | ec.address = address; | ||
593 | ec.found = GNUNET_NO; | ||
594 | GNUNET_HELLO_iterate_addresses (dc->old_hello, | ||
595 | GNUNET_NO, | ||
596 | &get_match_exp, | ||
597 | &ec); | ||
598 | if ((GNUNET_YES == ec.found) && | ||
599 | ((ec.expiration.abs_value_us > expiration.abs_value_us) || | ||
600 | (ec.expiration.abs_value_us >= dc->expiration_limit.abs_value_us))) | ||
601 | return GNUNET_YES; /* skip: found and boring */ | ||
602 | ret = dc->it (dc->it_cls, | ||
603 | address, | ||
604 | expiration); | ||
605 | return ret; | ||
606 | } | ||
607 | |||
608 | |||
609 | /** | ||
610 | * Iterate over addresses in @a new_hello that are NOT already present | ||
611 | * in @a old_hello. Note that if the address is present in @a old_hello | ||
612 | * but the expiration time in @a new_hello is more recent, the iterator | ||
613 | * is also called. | ||
614 | * | ||
615 | * @param new_hello a HELLO message | ||
616 | * @param old_hello a HELLO message | ||
617 | * @param expiration_limit ignore addresses in @a old_hello | ||
618 | * that expired before the given time stamp | ||
619 | * @param it iterator to call on each address | ||
620 | * @param it_cls closure for @a it | ||
621 | */ | ||
622 | void | ||
623 | GNUNET_HELLO_iterate_new_addresses (const struct | ||
624 | GNUNET_HELLO_Message *new_hello, | ||
625 | const struct | ||
626 | GNUNET_HELLO_Message *old_hello, | ||
627 | struct GNUNET_TIME_Absolute | ||
628 | expiration_limit, | ||
629 | GNUNET_HELLO_AddressIterator it, | ||
630 | void *it_cls) | ||
631 | { | ||
632 | struct DeltaContext dc; | ||
633 | |||
634 | dc.expiration_limit = expiration_limit; | ||
635 | dc.it = it; | ||
636 | dc.it_cls = it_cls; | ||
637 | dc.old_hello = old_hello; | ||
638 | GNUNET_assert (NULL == | ||
639 | GNUNET_HELLO_iterate_addresses (new_hello, | ||
640 | GNUNET_NO, | ||
641 | &delta_match, | ||
642 | &dc)); | ||
643 | } | ||
644 | |||
645 | |||
646 | /** | ||
647 | * Return the size of the given HELLO message. | ||
648 | * @param hello to inspect | ||
649 | * @return the size, 0 if HELLO is invalid | ||
650 | */ | ||
651 | uint16_t | ||
652 | GNUNET_HELLO_size (const struct GNUNET_HELLO_Message *hello) | ||
653 | { | ||
654 | uint16_t ret = ntohs (hello->header.size); | ||
655 | |||
656 | if ((ret < sizeof(struct GNUNET_HELLO_Message)) || | ||
657 | (ntohs (hello->header.type) != GNUNET_MESSAGE_TYPE_HELLO)) | ||
658 | return 0; | ||
659 | return ret; | ||
660 | } | ||
661 | |||
662 | |||
663 | /** | ||
664 | * Get the peer identity from a HELLO message. | ||
665 | * | ||
666 | * @param hello the hello message | ||
667 | * @param peer where to store the peer's identity | ||
668 | * @return #GNUNET_SYSERR if the HELLO was malformed | ||
669 | */ | ||
670 | int | ||
671 | GNUNET_HELLO_get_id (const struct GNUNET_HELLO_Message *hello, | ||
672 | struct GNUNET_PeerIdentity *peer) | ||
673 | { | ||
674 | uint16_t ret = ntohs (hello->header.size); | ||
675 | |||
676 | if ((ret < sizeof(struct GNUNET_HELLO_Message)) || | ||
677 | (ntohs (hello->header.type) != GNUNET_MESSAGE_TYPE_HELLO)) | ||
678 | return GNUNET_SYSERR; | ||
679 | peer->public_key = hello->publicKey; | ||
680 | return GNUNET_OK; | ||
681 | } | ||
682 | |||
683 | |||
684 | /** | ||
685 | * Get the header from a HELLO message, used so other code | ||
686 | * can correctly send HELLO messages. | ||
687 | * | ||
688 | * @param hello the hello message | ||
689 | * | ||
690 | * @return header or NULL if the HELLO was malformed | ||
691 | */ | ||
692 | struct GNUNET_MessageHeader * | ||
693 | GNUNET_HELLO_get_header (struct GNUNET_HELLO_Message *hello) | ||
694 | { | ||
695 | uint16_t ret = ntohs (hello->header.size); | ||
696 | |||
697 | if ((ret < sizeof(struct GNUNET_HELLO_Message)) || | ||
698 | (ntohs (hello->header.type) != GNUNET_MESSAGE_TYPE_HELLO)) | ||
699 | return NULL; | ||
700 | |||
701 | return &hello->header; | ||
702 | } | ||
703 | |||
704 | |||
705 | /** | ||
706 | * Context used for comparing HELLOs in #GNUNET_HELLO_equals(). | ||
707 | */ | ||
708 | struct EqualsContext | ||
709 | { | ||
710 | /** | ||
711 | * Addresses that expired before this date are ignored for | ||
712 | * the comparison. | ||
713 | */ | ||
714 | struct GNUNET_TIME_Absolute expiration_limit; | ||
715 | |||
716 | /** | ||
717 | * Earliest expiration time for which we found a match | ||
718 | * with a difference in expiration times. | ||
719 | * At this time, the two HELLOs may start to diverge. | ||
720 | */ | ||
721 | struct GNUNET_TIME_Absolute result; | ||
722 | |||
723 | /** | ||
724 | * HELLO message to compare against. (First set to the second | ||
725 | * HELLO, then set to the first HELLO.) | ||
726 | */ | ||
727 | const struct GNUNET_HELLO_Message *ref; | ||
728 | |||
729 | /** | ||
730 | * Address we are currently looking for. | ||
731 | */ | ||
732 | const struct GNUNET_HELLO_Address *address; | ||
733 | |||
734 | /** | ||
735 | * Expiration time of @e address. | ||
736 | */ | ||
737 | struct GNUNET_TIME_Absolute expiration; | ||
738 | |||
739 | /** | ||
740 | * Did we find the address we were looking for? | ||
741 | */ | ||
742 | int found; | ||
743 | }; | ||
744 | |||
745 | |||
746 | /** | ||
747 | * Check if the given address matches the address we are currently | ||
748 | * looking for. If so, sets `found` to #GNUNET_YES and, if the | ||
749 | * expiration times for the two addresses differ, updates `result` to | ||
750 | * the minimum of our @a expiration and the existing value | ||
751 | * | ||
752 | * @param cls the `struct EqualsContext` | ||
753 | * @param address address from the reference HELLO | ||
754 | * @param expiration expiration time for @a address | ||
755 | * @return #GNUNET_YES if the address is expired or does not match | ||
756 | * #GNUNET_SYSERR if the address does match. | ||
757 | */ | ||
758 | static int | ||
759 | find_other_matching (void *cls, | ||
760 | const struct GNUNET_HELLO_Address *address, | ||
761 | struct GNUNET_TIME_Absolute expiration) | ||
762 | { | ||
763 | struct EqualsContext *ec = cls; | ||
764 | |||
765 | if (expiration.abs_value_us < ec->expiration_limit.abs_value_us) | ||
766 | return GNUNET_YES; | ||
767 | if (0 == GNUNET_HELLO_address_cmp (address, ec->address)) | ||
768 | { | ||
769 | ec->found = GNUNET_YES; | ||
770 | if (expiration.abs_value_us < ec->expiration.abs_value_us) | ||
771 | ec->result = GNUNET_TIME_absolute_min (expiration, | ||
772 | ec->result); | ||
773 | return GNUNET_SYSERR; | ||
774 | } | ||
775 | return GNUNET_YES; | ||
776 | } | ||
777 | |||
778 | |||
779 | /** | ||
780 | * Helper function for #GNUNET_HELLO_equals(). Checks | ||
781 | * if the given @a address exists also in the other HELLO; | ||
782 | * if not, the result time is set to zero and the iteration | ||
783 | * is aborted. | ||
784 | * | ||
785 | * @param cls the `struct EqualsContext` | ||
786 | * @param address address to locate | ||
787 | * @param expiration expiration time of the current address | ||
788 | * @return #GNUNET_OK if the address exists or is expired, | ||
789 | * #GNUNET_SYSERR if it was not found | ||
790 | */ | ||
791 | static int | ||
792 | find_matching (void *cls, | ||
793 | const struct GNUNET_HELLO_Address *address, | ||
794 | struct GNUNET_TIME_Absolute expiration) | ||
795 | { | ||
796 | struct EqualsContext *ec = cls; | ||
797 | |||
798 | if (expiration.abs_value_us < ec->expiration_limit.abs_value_us) | ||
799 | return GNUNET_OK; /* expired, we don't care */ | ||
800 | ec->address = address; | ||
801 | ec->expiration = expiration; | ||
802 | ec->found = GNUNET_NO; | ||
803 | GNUNET_HELLO_iterate_addresses (ec->ref, | ||
804 | GNUNET_NO, | ||
805 | &find_other_matching, | ||
806 | ec); | ||
807 | if (GNUNET_NO == ec->found) | ||
808 | { | ||
809 | /* not found, we differ *now* */ | ||
810 | ec->result = GNUNET_TIME_UNIT_ZERO_ABS; | ||
811 | return GNUNET_SYSERR; | ||
812 | } | ||
813 | return GNUNET_OK; | ||
814 | } | ||
815 | |||
816 | |||
817 | /** | ||
818 | * Test if two HELLO messages contain the same addresses. | ||
819 | * If they only differ in expiration time, the lowest | ||
820 | * expiration time larger than @a now where they differ | ||
821 | * is returned. | ||
822 | * | ||
823 | * @param h1 first HELLO message | ||
824 | * @param h2 the second HELLO message | ||
825 | * @param now time to use for deciding which addresses have | ||
826 | * expired and should not be considered at all | ||
827 | * @return absolute time forever if the two HELLOs are | ||
828 | * totally identical; smallest timestamp >= @a now if | ||
829 | * they only differ in timestamps; | ||
830 | * zero if the some addresses with expirations >= @a now | ||
831 | * do not match at all | ||
832 | */ | ||
833 | struct GNUNET_TIME_Absolute | ||
834 | GNUNET_HELLO_equals (const struct GNUNET_HELLO_Message *h1, | ||
835 | const struct GNUNET_HELLO_Message *h2, | ||
836 | struct GNUNET_TIME_Absolute now) | ||
837 | { | ||
838 | struct EqualsContext ec; | ||
839 | |||
840 | if (h1->header.type != h2->header.type) | ||
841 | return GNUNET_TIME_UNIT_ZERO_ABS; | ||
842 | if (0 != | ||
843 | GNUNET_memcmp (&h1->publicKey, | ||
844 | &h2->publicKey)) | ||
845 | return GNUNET_TIME_UNIT_ZERO_ABS; | ||
846 | ec.expiration_limit = now; | ||
847 | ec.result = GNUNET_TIME_UNIT_FOREVER_ABS; | ||
848 | ec.ref = h2; | ||
849 | GNUNET_HELLO_iterate_addresses (h1, | ||
850 | GNUNET_NO, | ||
851 | &find_matching, | ||
852 | &ec); | ||
853 | if (ec.result.abs_value_us == GNUNET_TIME_UNIT_ZERO.rel_value_us) | ||
854 | return ec.result; | ||
855 | ec.ref = h1; | ||
856 | GNUNET_HELLO_iterate_addresses (h2, | ||
857 | GNUNET_NO, | ||
858 | &find_matching, | ||
859 | &ec); | ||
860 | return ec.result; | ||
861 | } | ||
862 | |||
863 | |||
864 | /** | ||
865 | * Iterator to find the time when the last address will expire. | ||
866 | * Updates the maximum value stored in @a cls. | ||
867 | * | ||
868 | * @param cls where to store the max, a `struct GNUNET_TIME_Absolute` | ||
869 | * @param address an address (ignored) | ||
870 | * @param expiration expiration time for @a address | ||
871 | * @return #GNUNET_OK (always) | ||
872 | */ | ||
873 | static int | ||
874 | find_max_expire (void *cls, | ||
875 | const struct GNUNET_HELLO_Address *address, | ||
876 | struct GNUNET_TIME_Absolute expiration) | ||
877 | { | ||
878 | struct GNUNET_TIME_Absolute *max = cls; | ||
879 | |||
880 | *max = GNUNET_TIME_absolute_max (*max, expiration); | ||
881 | return GNUNET_OK; | ||
882 | } | ||
883 | |||
884 | |||
885 | /** | ||
886 | * When does the last address in the given HELLO expire? | ||
887 | * | ||
888 | * @param msg HELLO to inspect | ||
889 | * @return time the last address expires, 0 if there are no addresses in the HELLO | ||
890 | */ | ||
891 | struct GNUNET_TIME_Absolute | ||
892 | GNUNET_HELLO_get_last_expiration (const struct GNUNET_HELLO_Message *msg) | ||
893 | { | ||
894 | struct GNUNET_TIME_Absolute ret; | ||
895 | |||
896 | ret = GNUNET_TIME_UNIT_ZERO_ABS; | ||
897 | GNUNET_HELLO_iterate_addresses (msg, | ||
898 | GNUNET_NO, | ||
899 | &find_max_expire, | ||
900 | &ret); | ||
901 | return ret; | ||
902 | } | ||
903 | |||
904 | |||
905 | /** | ||
906 | * GNUnet URIs are of the general form "gnunet://MODULE/IDENTIFIER". | ||
907 | * The specific structure of "IDENTIFIER" depends on the module and | ||
908 | * maybe differentiated into additional subcategories if applicable. | ||
909 | * This module only deals with hello identifiers (MODULE = "hello"). | ||
910 | * <p> | ||
911 | * | ||
912 | * The concrete URI format is: | ||
913 | * | ||
914 | * "gnunet://hello/PEER[+YYYYMMDDHHMMSS+<TYPE>+<ADDRESS>]...". | ||
915 | * These URIs can be used to add a peer record to peerinfo service. | ||
916 | * PEER is the string representation of peer's public key. | ||
917 | * YYYYMMDDHHMMSS is the expiration date. | ||
918 | * TYPE is a transport type. | ||
919 | * ADDRESS is the address, its format depends upon the transport type. | ||
920 | * The concrete transport types and corresponding address formats are: | ||
921 | * | ||
922 | * <ul><li> | ||
923 | * | ||
924 | * <TCP|UDP>!IPADDRESS | ||
925 | * IPVDDRESS is either IPV4 .-delimited address in form of XXX.XXX.XXX.XXX:PPPPP | ||
926 | * or IPV6 :-delimited address with '[' and ']' (according to RFC2732): | ||
927 | * [XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX]:PPPPP | ||
928 | * PPPPP is the port number. May be 0. | ||
929 | * | ||
930 | * </li><li> | ||
931 | * | ||
932 | * [add SMTP, HTTP and other addresses here] | ||
933 | * | ||
934 | * </li></ul> | ||
935 | * | ||
936 | * The encoding for hexadecimal values is defined in the crypto_hash.c | ||
937 | * module in the gnunetutil library and discussed there. | ||
938 | * | ||
939 | * Examples: | ||
940 | * | ||
941 | * gnunet://hello/V8XXK9GAN5ZJFRFQP8MQX3D83BZTSBQVHKWWD0JPE63Z821906EG+20120302010059+TCP+192.168.0.1:2086+TCP+64.23.8.174:0 | ||
942 | * gnunet://hello/V8XXK9GAN5ZJFRFQP8MQX3D83BZTSBQVHKWWD0JPE63Z821906EG+20120302010059+TCP+[2001:db8:85a3:8d3:1319:8a2e:370:7348]:2086 | ||
943 | * | ||
944 | * <p> | ||
945 | */ | ||
946 | |||
947 | |||
948 | /** | ||
949 | * Function that is called on each address of this peer. | ||
950 | * Expands the corresponding URI string. | ||
951 | * | ||
952 | * @param cls the `struct GNUNET_HELLO_ComposeUriContext` | ||
953 | * @param address address to add | ||
954 | * @param expiration expiration time for the address | ||
955 | * @return #GNUNET_OK (continue iteration). | ||
956 | */ | ||
957 | static int | ||
958 | add_address_to_uri (void *cls, | ||
959 | const struct GNUNET_HELLO_Address *address, | ||
960 | struct GNUNET_TIME_Absolute expiration) | ||
961 | { | ||
962 | struct GNUNET_HELLO_ComposeUriContext *ctx = cls; | ||
963 | struct GNUNET_TRANSPORT_PluginFunctions *papi; | ||
964 | const char *addr; | ||
965 | char *ret; | ||
966 | char *addr_dup; | ||
967 | char *pos; | ||
968 | char tbuf[16] = ""; | ||
969 | char *client_str = "_client"; | ||
970 | struct tm *t; | ||
971 | time_t seconds; | ||
972 | |||
973 | papi = ctx->plugins_find (address->transport_name); | ||
974 | if (NULL == papi) | ||
975 | { | ||
976 | /* Not an error - we might just not have the right plugin. */ | ||
977 | return GNUNET_OK; | ||
978 | } | ||
979 | if (NULL == papi->address_to_string) | ||
980 | { | ||
981 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
982 | "URI conversion not implemented for plugin `%s'\n", | ||
983 | address->transport_name); | ||
984 | return GNUNET_OK; | ||
985 | } | ||
986 | addr = papi->address_to_string (papi->cls, | ||
987 | address->address, | ||
988 | address->address_length); | ||
989 | if ((NULL == addr) || | ||
990 | (0 == strlen (addr))) | ||
991 | return GNUNET_OK; | ||
992 | |||
993 | addr_dup = GNUNET_strdup (addr); | ||
994 | if (NULL != (pos = strstr (addr_dup, "_server"))) | ||
995 | GNUNET_memcpy (pos, | ||
996 | client_str, | ||
997 | strlen (client_str)); /* Replace all server addresses with client addresses */ | ||
998 | |||
999 | seconds = expiration.abs_value_us / 1000LL / 1000LL; | ||
1000 | t = gmtime (&seconds); | ||
1001 | |||
1002 | GNUNET_asprintf (&ret, | ||
1003 | "%s%c%s%c%s%c%s", | ||
1004 | ctx->uri, | ||
1005 | GNUNET_HELLO_URI_SEP, | ||
1006 | strftime (tbuf, | ||
1007 | sizeof(tbuf), | ||
1008 | "%Y%m%d%H%M%S", | ||
1009 | t) ? tbuf : "0", | ||
1010 | GNUNET_HELLO_URI_SEP, | ||
1011 | address->transport_name, | ||
1012 | GNUNET_HELLO_URI_SEP, | ||
1013 | addr_dup); | ||
1014 | GNUNET_free (addr_dup); | ||
1015 | GNUNET_free (ctx->uri); | ||
1016 | ctx->uri = ret; | ||
1017 | return GNUNET_OK; | ||
1018 | } | ||
1019 | |||
1020 | |||
1021 | /** | ||
1022 | * Compose a hello URI string from a hello message. | ||
1023 | * | ||
1024 | * @param hello Hello message | ||
1025 | * @param plugins_find Function to find transport plugins by name | ||
1026 | * @return Hello URI string | ||
1027 | */ | ||
1028 | char * | ||
1029 | GNUNET_HELLO_compose_uri (const struct GNUNET_HELLO_Message *hello, | ||
1030 | GNUNET_HELLO_TransportPluginsFind plugins_find) | ||
1031 | { | ||
1032 | struct GNUNET_HELLO_ComposeUriContext ctx; | ||
1033 | char *pkey; | ||
1034 | |||
1035 | ctx.plugins_find = plugins_find; | ||
1036 | pkey = GNUNET_CRYPTO_eddsa_public_key_to_string (&hello->publicKey); | ||
1037 | GNUNET_asprintf (&ctx.uri, | ||
1038 | "%s%s", | ||
1039 | (GNUNET_YES == GNUNET_HELLO_is_friend_only (hello)) | ||
1040 | ? GNUNET_FRIEND_HELLO_URI_PREFIX | ||
1041 | : GNUNET_HELLO_URI_PREFIX, | ||
1042 | pkey); | ||
1043 | GNUNET_free (pkey); | ||
1044 | GNUNET_HELLO_iterate_addresses (hello, | ||
1045 | GNUNET_NO, | ||
1046 | &add_address_to_uri, | ||
1047 | &ctx); | ||
1048 | return ctx.uri; | ||
1049 | } | ||
1050 | |||
1051 | |||
1052 | /* ************************* Parse HELLO URI ********************* */ | ||
1053 | |||
1054 | |||
1055 | /** | ||
1056 | * We're building a HELLO. Parse the next address from the | ||
1057 | * parsing context and append it. | ||
1058 | * | ||
1059 | * @param cls the `struct GNUNET_HELLO_ParseUriContext` | ||
1060 | * @param max number of bytes available for HELLO construction | ||
1061 | * @param buffer where to copy the next address (in binary format) | ||
1062 | * @return number of bytes added to buffer, #GNUNET_SYSERR on error | ||
1063 | */ | ||
1064 | static ssize_t | ||
1065 | add_address_to_hello (void *cls, | ||
1066 | size_t max, | ||
1067 | void *buffer) | ||
1068 | { | ||
1069 | struct GNUNET_HELLO_ParseUriContext *ctx = cls; | ||
1070 | const char *tname; | ||
1071 | const char *address; | ||
1072 | char *uri_address; | ||
1073 | const char *end; | ||
1074 | char *plugin_name; | ||
1075 | struct tm expiration_time; | ||
1076 | time_t expiration_seconds; | ||
1077 | struct GNUNET_TIME_Absolute expire; | ||
1078 | struct GNUNET_TRANSPORT_PluginFunctions *papi; | ||
1079 | void *addr; | ||
1080 | size_t addr_len; | ||
1081 | struct GNUNET_HELLO_Address haddr; | ||
1082 | ssize_t ret; | ||
1083 | |||
1084 | if (NULL == ctx->pos) | ||
1085 | return GNUNET_SYSERR; | ||
1086 | if (GNUNET_HELLO_URI_SEP != ctx->pos[0]) | ||
1087 | { | ||
1088 | ctx->ret = GNUNET_SYSERR; | ||
1089 | GNUNET_break (0); | ||
1090 | return GNUNET_SYSERR; | ||
1091 | } | ||
1092 | ctx->pos++; | ||
1093 | |||
1094 | if (('0' == ctx->pos[0]) && | ||
1095 | (GNUNET_HELLO_URI_SEP == ctx->pos[1])) | ||
1096 | { | ||
1097 | expire = GNUNET_TIME_UNIT_FOREVER_ABS; | ||
1098 | tname = ctx->pos + 1; | ||
1099 | } | ||
1100 | else | ||
1101 | { | ||
1102 | memset (&expiration_time, 0, sizeof(expiration_time)); | ||
1103 | tname = strptime (ctx->pos, | ||
1104 | "%Y%m%d%H%M%S", | ||
1105 | &expiration_time); | ||
1106 | if (NULL == tname) | ||
1107 | { | ||
1108 | ctx->ret = GNUNET_SYSERR; | ||
1109 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
1110 | _ ( | ||
1111 | "Failed to parse HELLO message: missing expiration time\n")); | ||
1112 | GNUNET_break (0); | ||
1113 | return GNUNET_SYSERR; | ||
1114 | } | ||
1115 | |||
1116 | expiration_seconds = mktime (&expiration_time); | ||
1117 | if (expiration_seconds == (time_t) -1) | ||
1118 | { | ||
1119 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
1120 | _ ( | ||
1121 | "Failed to parse HELLO message: invalid expiration time\n")); | ||
1122 | ctx->ret = GNUNET_SYSERR; | ||
1123 | GNUNET_break (0); | ||
1124 | return GNUNET_SYSERR; | ||
1125 | } | ||
1126 | expire.abs_value_us = expiration_seconds * 1000LL * 1000LL; | ||
1127 | } | ||
1128 | if (GNUNET_HELLO_URI_SEP != tname[0]) | ||
1129 | { | ||
1130 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
1131 | _ ("Failed to parse HELLO message: malformed\n")); | ||
1132 | ctx->ret = GNUNET_SYSERR; | ||
1133 | GNUNET_break (0); | ||
1134 | return GNUNET_SYSERR; | ||
1135 | } | ||
1136 | tname++; | ||
1137 | address = strchr (tname, | ||
1138 | (int) GNUNET_HELLO_URI_SEP); | ||
1139 | if (NULL == address) | ||
1140 | { | ||
1141 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
1142 | _ ( | ||
1143 | "Failed to parse HELLO message: missing transport plugin\n")); | ||
1144 | ctx->ret = GNUNET_SYSERR; | ||
1145 | GNUNET_break (0); | ||
1146 | return GNUNET_SYSERR; | ||
1147 | } | ||
1148 | address++; | ||
1149 | end = strchr (address, (int) GNUNET_HELLO_URI_SEP); | ||
1150 | ctx->pos = end; | ||
1151 | ctx->counter_total++; | ||
1152 | plugin_name = GNUNET_strndup (tname, address - (tname + 1)); | ||
1153 | papi = ctx->plugins_find (plugin_name); | ||
1154 | if (NULL == papi) | ||
1155 | { | ||
1156 | /* Not an error - we might just not have the right plugin. | ||
1157 | * Skip this part, advance to the next one and recurse. | ||
1158 | * But only if this is not the end of string. | ||
1159 | */ | ||
1160 | GNUNET_log (GNUNET_ERROR_TYPE_INFO, | ||
1161 | _ ("Plugin `%s' not found, skipping address\n"), | ||
1162 | plugin_name); | ||
1163 | GNUNET_free (plugin_name); | ||
1164 | return 0; | ||
1165 | } | ||
1166 | if (NULL == papi->string_to_address) | ||
1167 | { | ||
1168 | GNUNET_log (GNUNET_ERROR_TYPE_INFO, | ||
1169 | _ ("Plugin `%s' does not support URIs yet\n"), | ||
1170 | plugin_name); | ||
1171 | GNUNET_free (plugin_name); | ||
1172 | GNUNET_break (0); | ||
1173 | return 0; | ||
1174 | } | ||
1175 | uri_address = GNUNET_strndup (address, end - address); | ||
1176 | if (GNUNET_OK != | ||
1177 | papi->string_to_address (papi->cls, | ||
1178 | uri_address, | ||
1179 | strlen (uri_address) + 1, | ||
1180 | &addr, | ||
1181 | &addr_len)) | ||
1182 | { | ||
1183 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
1184 | _ ("Failed to parse `%s' as an address for plugin `%s'\n"), | ||
1185 | uri_address, | ||
1186 | plugin_name); | ||
1187 | GNUNET_free (plugin_name); | ||
1188 | GNUNET_free (uri_address); | ||
1189 | return 0; | ||
1190 | } | ||
1191 | GNUNET_free (uri_address); | ||
1192 | /* address.peer is unset - not used by add_address() */ | ||
1193 | haddr.address_length = addr_len; | ||
1194 | haddr.address = addr; | ||
1195 | haddr.transport_name = plugin_name; | ||
1196 | ret = GNUNET_HELLO_add_address (&haddr, | ||
1197 | expire, | ||
1198 | buffer, | ||
1199 | max); | ||
1200 | ctx->counter_added++; | ||
1201 | GNUNET_free (addr); | ||
1202 | GNUNET_free (plugin_name); | ||
1203 | return ret; | ||
1204 | } | ||
1205 | |||
1206 | |||
1207 | /** | ||
1208 | * Parse a hello URI string to a hello message. | ||
1209 | * | ||
1210 | * @param uri URI string to parse | ||
1211 | * @param pubkey Pointer to struct where public key is parsed | ||
1212 | * @param hello Pointer to struct where hello message is parsed | ||
1213 | * @param plugins_find Function to find transport plugins by name | ||
1214 | * @return #GNUNET_OK on success, #GNUNET_SYSERR if the URI was invalid, #GNUNET_NO on other errors | ||
1215 | */ | ||
1216 | int | ||
1217 | GNUNET_HELLO_parse_uri (const char *uri, | ||
1218 | struct GNUNET_CRYPTO_EddsaPublicKey *pubkey, | ||
1219 | struct GNUNET_HELLO_Message **hello, | ||
1220 | GNUNET_HELLO_TransportPluginsFind plugins_find) | ||
1221 | { | ||
1222 | const char *pks; | ||
1223 | const char *exc; | ||
1224 | int friend_only; | ||
1225 | struct GNUNET_HELLO_ParseUriContext ctx; | ||
1226 | |||
1227 | if (0 == strncmp (uri, | ||
1228 | GNUNET_HELLO_URI_PREFIX, | ||
1229 | strlen (GNUNET_HELLO_URI_PREFIX))) | ||
1230 | { | ||
1231 | pks = &uri[strlen (GNUNET_HELLO_URI_PREFIX)]; | ||
1232 | friend_only = GNUNET_NO; | ||
1233 | } | ||
1234 | else if (0 == strncmp (uri, | ||
1235 | GNUNET_FRIEND_HELLO_URI_PREFIX, | ||
1236 | strlen (GNUNET_FRIEND_HELLO_URI_PREFIX))) | ||
1237 | { | ||
1238 | pks = &uri[strlen (GNUNET_FRIEND_HELLO_URI_PREFIX)]; | ||
1239 | friend_only = GNUNET_YES; | ||
1240 | } | ||
1241 | else | ||
1242 | return GNUNET_SYSERR; | ||
1243 | exc = strchr (pks, GNUNET_HELLO_URI_SEP); | ||
1244 | |||
1245 | if (GNUNET_OK != | ||
1246 | GNUNET_STRINGS_string_to_data (pks, | ||
1247 | (NULL == exc) ? strlen (pks) : (exc - pks), | ||
1248 | (unsigned char *) pubkey, | ||
1249 | sizeof(*pubkey))) | ||
1250 | return GNUNET_SYSERR; | ||
1251 | |||
1252 | ctx.pos = exc; | ||
1253 | ctx.ret = GNUNET_OK; | ||
1254 | ctx.counter_total = 0; | ||
1255 | ctx.counter_added = 0; | ||
1256 | ctx.plugins_find = plugins_find; | ||
1257 | *hello = GNUNET_HELLO_create (pubkey, | ||
1258 | &add_address_to_hello, | ||
1259 | &ctx, | ||
1260 | friend_only); | ||
1261 | |||
1262 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
1263 | "HELLO URI contained %u addresses, added %u addresses\n", | ||
1264 | ctx.counter_total, | ||
1265 | ctx.counter_added); | ||
1266 | |||
1267 | return ctx.ret; | ||
1268 | } | ||
1269 | |||
1270 | |||
1271 | /* end of hello.c */ | ||
diff --git a/src/hello/test_friend_hello.c b/src/hello/test_friend_hello.c deleted file mode 100644 index 1b092c0b8..000000000 --- a/src/hello/test_friend_hello.c +++ /dev/null | |||
@@ -1,185 +0,0 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet | ||
3 | Copyright (C) 2009 GNUnet e.V. | ||
4 | |||
5 | GNUnet is free software: you can redistribute it and/or modify it | ||
6 | under the terms of the GNU Affero General Public License as published | ||
7 | by the Free Software Foundation, either version 3 of the License, | ||
8 | or (at your 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 | Affero General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Affero General Public License | ||
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
17 | |||
18 | SPDX-License-Identifier: AGPL3.0-or-later | ||
19 | */ | ||
20 | /** | ||
21 | * @file hello/test_friend_hello.c | ||
22 | * @brief test for hello.c | ||
23 | * @author Christian Grothoff | ||
24 | */ | ||
25 | #include "platform.h" | ||
26 | #include "gnunet_hello_lib.h" | ||
27 | |||
28 | |||
29 | static ssize_t | ||
30 | my_addr_gen (void *cls, | ||
31 | size_t max, | ||
32 | void *buf) | ||
33 | { | ||
34 | unsigned int *i = cls; | ||
35 | size_t ret; | ||
36 | struct GNUNET_HELLO_Address address; | ||
37 | |||
38 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
39 | "DEBUG: my_addr_gen called with i = %d\n", *i); | ||
40 | if (0 == *i) | ||
41 | return GNUNET_SYSERR; /* Stop iteration */ | ||
42 | memset (&address.peer, 0, sizeof(struct GNUNET_PeerIdentity)); | ||
43 | address.address = "address_information"; | ||
44 | address.transport_name = "test"; | ||
45 | address.address_length = *i; | ||
46 | ret = | ||
47 | GNUNET_HELLO_add_address (&address, GNUNET_TIME_absolute_get (), buf, | ||
48 | max); | ||
49 | (*i)--; | ||
50 | return ret; | ||
51 | } | ||
52 | |||
53 | |||
54 | static int | ||
55 | check_addr (void *cls, | ||
56 | const struct GNUNET_HELLO_Address *address, | ||
57 | struct GNUNET_TIME_Absolute expiration) | ||
58 | { | ||
59 | unsigned int *i = cls; | ||
60 | |||
61 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
62 | "DEBUG: check_addr called with i = %d and addrlen = %u\n", | ||
63 | *i, (unsigned int) address->address_length); | ||
64 | GNUNET_assert (address->address_length > 0); | ||
65 | GNUNET_assert (*i & (1 << (address->address_length - 1))); | ||
66 | *i -= (1 << (address->address_length - 1)); | ||
67 | GNUNET_assert (0 == | ||
68 | strncmp ("address_information", address->address, | ||
69 | address->address_length)); | ||
70 | GNUNET_assert (0 == strcmp ("test", address->transport_name)); | ||
71 | return GNUNET_OK; | ||
72 | } | ||
73 | |||
74 | |||
75 | static int | ||
76 | remove_some (void *cls, | ||
77 | const struct GNUNET_HELLO_Address *address, | ||
78 | struct GNUNET_TIME_Absolute expiration) | ||
79 | { | ||
80 | unsigned int *i = cls; | ||
81 | |||
82 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
83 | "DEBUG: remove_some called with i = %d and addrlen = %u\n", | ||
84 | *i, (unsigned int) address->address_length); | ||
85 | GNUNET_assert (address->address_length > 0); | ||
86 | if (*i & (1 << (address->address_length - 1))) | ||
87 | { | ||
88 | *i -= (1 << (address->address_length - 1)); | ||
89 | return GNUNET_NO; | ||
90 | } | ||
91 | return GNUNET_OK; | ||
92 | } | ||
93 | |||
94 | |||
95 | int | ||
96 | main (int argc, char *argv[]) | ||
97 | { | ||
98 | struct GNUNET_HELLO_Message *msg1; | ||
99 | struct GNUNET_HELLO_Message *msg2; | ||
100 | struct GNUNET_HELLO_Message *msg3; | ||
101 | struct GNUNET_CRYPTO_EddsaPublicKey publicKey; | ||
102 | struct GNUNET_TIME_Absolute startup_time; | ||
103 | unsigned int i; | ||
104 | |||
105 | GNUNET_log_setup ("test-hello", "DEBUG", NULL); | ||
106 | startup_time = GNUNET_TIME_absolute_get (); | ||
107 | memset (&publicKey, 42, sizeof(publicKey)); | ||
108 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
109 | "Testing HELLO creation (without addresses)...\n"); | ||
110 | i = 0; | ||
111 | msg1 = GNUNET_HELLO_create (&publicKey, &my_addr_gen, &i, GNUNET_YES); | ||
112 | GNUNET_assert (msg1 != NULL); | ||
113 | GNUNET_assert (0 < GNUNET_HELLO_size (msg1)); | ||
114 | |||
115 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
116 | "Testing address iteration (empty set)...\n"); | ||
117 | GNUNET_assert (NULL == | ||
118 | GNUNET_HELLO_iterate_addresses (msg1, GNUNET_NO, &check_addr, | ||
119 | &i)); | ||
120 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
121 | "Testing HELLO creation (with one address)...\n"); | ||
122 | i = 1; | ||
123 | msg2 = GNUNET_HELLO_create (&publicKey, &my_addr_gen, &i, GNUNET_YES); | ||
124 | GNUNET_assert (msg2 != NULL); | ||
125 | GNUNET_assert (GNUNET_HELLO_size (msg1) < GNUNET_HELLO_size (msg2)); | ||
126 | |||
127 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
128 | "Testing address iteration (one address)...\n"); | ||
129 | i = 1; | ||
130 | GNUNET_assert (NULL == | ||
131 | GNUNET_HELLO_iterate_addresses (msg2, GNUNET_NO, &check_addr, | ||
132 | &i)); | ||
133 | GNUNET_assert (i == 0); | ||
134 | GNUNET_free (msg1); | ||
135 | |||
136 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
137 | "Testing HELLO creation (with two addresses)...\n"); | ||
138 | i = 2; | ||
139 | msg3 = GNUNET_HELLO_create (&publicKey, &my_addr_gen, &i, GNUNET_YES); | ||
140 | GNUNET_assert (msg3 != NULL); | ||
141 | GNUNET_assert (GNUNET_HELLO_size (msg2) < GNUNET_HELLO_size (msg3)); | ||
142 | |||
143 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
144 | "Testing address iteration (two addresses)...\n"); | ||
145 | i = 3; | ||
146 | GNUNET_assert (NULL == | ||
147 | GNUNET_HELLO_iterate_addresses (msg3, GNUNET_NO, &check_addr, | ||
148 | &i)); | ||
149 | GNUNET_assert (i == 0); | ||
150 | |||
151 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
152 | "Testing HELLO merge...\n"); | ||
153 | msg1 = GNUNET_HELLO_merge (msg2, msg3); | ||
154 | GNUNET_assert (GNUNET_HELLO_size (msg1) == GNUNET_HELLO_size (msg3)); | ||
155 | |||
156 | i = 3; | ||
157 | GNUNET_assert (NULL == | ||
158 | GNUNET_HELLO_iterate_addresses (msg1, GNUNET_NO, &check_addr, | ||
159 | &i)); | ||
160 | GNUNET_assert (i == 0); | ||
161 | GNUNET_free (msg1); | ||
162 | |||
163 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
164 | "Testing address iteration to copy HELLO...\n"); | ||
165 | i = 2; | ||
166 | msg1 = GNUNET_HELLO_iterate_addresses (msg3, GNUNET_YES, &remove_some, &i); | ||
167 | GNUNET_assert (msg1 != NULL); | ||
168 | GNUNET_assert (i == 0); | ||
169 | i = 1; | ||
170 | GNUNET_assert (NULL == | ||
171 | GNUNET_HELLO_iterate_addresses (msg1, GNUNET_NO, &check_addr, | ||
172 | &i)); | ||
173 | GNUNET_assert (i == 0); | ||
174 | GNUNET_free (msg1); | ||
175 | |||
176 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
177 | "Testing delta address iteration...\n"); | ||
178 | i = 2; | ||
179 | GNUNET_HELLO_iterate_new_addresses (msg3, msg2, startup_time, &check_addr, | ||
180 | &i); | ||
181 | GNUNET_assert (i == 0); | ||
182 | GNUNET_free (msg2); | ||
183 | GNUNET_free (msg3); | ||
184 | return 0; /* testcase passed */ | ||
185 | } | ||
diff --git a/src/hello/test_hello-ng.c b/src/hello/test_hello-ng.c deleted file mode 100644 index 4ace9439f..000000000 --- a/src/hello/test_hello-ng.c +++ /dev/null | |||
@@ -1,56 +0,0 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | Copyright (C) 2022 GNUnet e.V. | ||
4 | |||
5 | GNUnet is free software: you can redistribute it and/or modify it | ||
6 | under the terms of the GNU Affero General Public License as published | ||
7 | by the Free Software Foundation, either version 3 of the License, | ||
8 | or (at your 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 | Affero General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Affero General Public License | ||
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
17 | |||
18 | SPDX-License-Identifier: AGPL3.0-or-later | ||
19 | */ | ||
20 | #include "platform.h" | ||
21 | #include "gnunet_util_lib.h" | ||
22 | #include "gnunet_nt_lib.h" | ||
23 | #include "gnunet_hello_lib.h" | ||
24 | |||
25 | int | ||
26 | main (int argc, | ||
27 | char *argv[]) | ||
28 | { | ||
29 | struct GNUNET_CRYPTO_EddsaPublicKey pubKey; | ||
30 | struct GNUNET_CRYPTO_EddsaPrivateKey privKey; | ||
31 | struct GNUNET_PeerIdentity pid; | ||
32 | struct GNUNET_TIME_Absolute t = GNUNET_TIME_absolute_get (); | ||
33 | char *res; | ||
34 | size_t res_len; | ||
35 | enum GNUNET_NetworkType nt; | ||
36 | |||
37 | GNUNET_CRYPTO_eddsa_key_create (&privKey); | ||
38 | GNUNET_CRYPTO_eddsa_key_get_public (&privKey, | ||
39 | &pubKey); | ||
40 | pid.public_key = pubKey; | ||
41 | GNUNET_HELLO_sign_address ("127.0.0.1:8080", | ||
42 | GNUNET_NT_LAN, | ||
43 | t, | ||
44 | &privKey, | ||
45 | (void**) &res, | ||
46 | &res_len); | ||
47 | GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE, | ||
48 | "%s\n", res); | ||
49 | GNUNET_assert (NULL != | ||
50 | GNUNET_HELLO_extract_address ((void**) res, | ||
51 | res_len, | ||
52 | &pid, | ||
53 | &nt, | ||
54 | &t)); | ||
55 | return 0; | ||
56 | } | ||
diff --git a/src/hello/test_hello-uri.c b/src/hello/test_hello-uri.c deleted file mode 100644 index 7e70d6763..000000000 --- a/src/hello/test_hello-uri.c +++ /dev/null | |||
@@ -1,212 +0,0 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | Copyright (C) 2022 GNUnet e.V. | ||
4 | |||
5 | GNUnet is free software: you can redistribute it and/or modify it | ||
6 | under the terms of the GNU Affero General Public License as published | ||
7 | by the Free Software Foundation, either version 3 of the License, | ||
8 | or (at your 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 | Affero General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Affero General Public License | ||
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
17 | |||
18 | SPDX-License-Identifier: AGPL3.0-or-later | ||
19 | */ | ||
20 | /** | ||
21 | * @file hello/test_hello-uri.c | ||
22 | * @brief test for helper library for handling URI-based HELLOs | ||
23 | * @author Christian Grothoff | ||
24 | */ | ||
25 | #include "platform.h" | ||
26 | #include "gnunet_signatures.h" | ||
27 | #include "gnunet_hello_uri_lib.h" | ||
28 | #include "gnunet_util_lib.h" | ||
29 | |||
30 | |||
31 | /** | ||
32 | * Check for expected URIs. | ||
33 | * | ||
34 | * @param cls a `unsigned int*`, bitmask set to found URIs | ||
35 | * @param uri URI to check for | ||
36 | */ | ||
37 | static void | ||
38 | check_uris (void *cls, | ||
39 | const char *uri) | ||
40 | { | ||
41 | unsigned int *found = cls; | ||
42 | |||
43 | if (0 == strcmp (uri, | ||
44 | "test://address")) | ||
45 | *found |= 1; | ||
46 | else if (0 == strcmp (uri, | ||
47 | "test://more")) | ||
48 | *found |= 2; | ||
49 | else | ||
50 | *found = (unsigned int) -1; | ||
51 | } | ||
52 | |||
53 | |||
54 | int | ||
55 | main (int argc, | ||
56 | char *argv[]) | ||
57 | { | ||
58 | struct GNUNET_PeerIdentity pid; | ||
59 | struct GNUNET_HELLO_Builder *b; | ||
60 | struct GNUNET_CRYPTO_EddsaPrivateKey priv; | ||
61 | |||
62 | GNUNET_log_setup ("test-hell-uri", | ||
63 | "WARNING", | ||
64 | NULL); | ||
65 | GNUNET_CRYPTO_eddsa_key_create (&priv); | ||
66 | GNUNET_CRYPTO_eddsa_key_get_public (&priv, | ||
67 | &pid.public_key); | ||
68 | b = GNUNET_HELLO_builder_new (&pid); | ||
69 | GNUNET_assert (GNUNET_SYSERR == | ||
70 | GNUNET_HELLO_builder_add_address (b, | ||
71 | "invalid")); | ||
72 | GNUNET_assert (GNUNET_SYSERR == | ||
73 | GNUNET_HELLO_builder_add_address (b, | ||
74 | "i%v://bla")); | ||
75 | GNUNET_assert (GNUNET_SYSERR == | ||
76 | GNUNET_HELLO_builder_add_address (b, | ||
77 | "://empty")); | ||
78 | GNUNET_assert (GNUNET_OK == | ||
79 | GNUNET_HELLO_builder_add_address (b, | ||
80 | "test://address")); | ||
81 | GNUNET_assert (GNUNET_NO == | ||
82 | GNUNET_HELLO_builder_add_address (b, | ||
83 | "test://address")); | ||
84 | GNUNET_assert (GNUNET_OK == | ||
85 | GNUNET_HELLO_builder_add_address (b, | ||
86 | "test://more")); | ||
87 | { | ||
88 | void *block; | ||
89 | size_t block_size = 0; | ||
90 | struct GNUNET_HELLO_Builder *b2; | ||
91 | struct GNUNET_PeerIdentity p2; | ||
92 | unsigned int found; | ||
93 | |||
94 | GNUNET_assert (GNUNET_NO == | ||
95 | GNUNET_HELLO_builder_to_block (b, | ||
96 | &priv, | ||
97 | NULL, | ||
98 | &block_size)); | ||
99 | GNUNET_assert (GNUNET_NO == | ||
100 | GNUNET_HELLO_builder_to_block (b, | ||
101 | &priv, | ||
102 | NULL, | ||
103 | &block_size)); | ||
104 | GNUNET_assert (0 != block_size); | ||
105 | block = GNUNET_malloc (block_size); | ||
106 | GNUNET_assert (GNUNET_OK == | ||
107 | GNUNET_HELLO_builder_to_block (b, | ||
108 | &priv, | ||
109 | block, | ||
110 | &block_size)); | ||
111 | b2 = GNUNET_HELLO_builder_from_block (block, | ||
112 | block_size); | ||
113 | GNUNET_free (block); | ||
114 | GNUNET_assert (NULL != b2); | ||
115 | found = 0; | ||
116 | GNUNET_HELLO_builder_iterate (b2, | ||
117 | &p2, | ||
118 | &check_uris, | ||
119 | &found); | ||
120 | GNUNET_assert (3 == found); | ||
121 | GNUNET_assert (0 == | ||
122 | GNUNET_memcmp (&p2, | ||
123 | &pid)); | ||
124 | GNUNET_HELLO_builder_free (b2); | ||
125 | } | ||
126 | |||
127 | { | ||
128 | char *url; | ||
129 | struct GNUNET_HELLO_Builder *b2; | ||
130 | struct GNUNET_PeerIdentity p2; | ||
131 | unsigned int found; | ||
132 | |||
133 | url = GNUNET_HELLO_builder_to_url (b, | ||
134 | &priv); | ||
135 | b2 = GNUNET_HELLO_builder_from_url (url); | ||
136 | GNUNET_free (url); | ||
137 | GNUNET_assert (NULL != b2); | ||
138 | found = 0; | ||
139 | GNUNET_HELLO_builder_iterate (b2, | ||
140 | &p2, | ||
141 | &check_uris, | ||
142 | &found); | ||
143 | GNUNET_assert (3 == found); | ||
144 | GNUNET_assert (0 == | ||
145 | GNUNET_memcmp (&p2, | ||
146 | &pid)); | ||
147 | GNUNET_HELLO_builder_free (b2); | ||
148 | } | ||
149 | |||
150 | { | ||
151 | struct GNUNET_MQ_Envelope *env; | ||
152 | struct GNUNET_HELLO_Builder *b2; | ||
153 | struct GNUNET_PeerIdentity p2; | ||
154 | unsigned int found; | ||
155 | |||
156 | env = GNUNET_HELLO_builder_to_env (b, | ||
157 | &priv); | ||
158 | b2 = GNUNET_HELLO_builder_from_msg (GNUNET_MQ_env_get_msg (env)); | ||
159 | GNUNET_free (env); | ||
160 | GNUNET_assert (NULL != b2); | ||
161 | found = 0; | ||
162 | GNUNET_HELLO_builder_iterate (b2, | ||
163 | &p2, | ||
164 | &check_uris, | ||
165 | &found); | ||
166 | GNUNET_assert (3 == found); | ||
167 | GNUNET_assert (0 == | ||
168 | GNUNET_memcmp (&p2, | ||
169 | &pid)); | ||
170 | GNUNET_HELLO_builder_free (b2); | ||
171 | } | ||
172 | |||
173 | GNUNET_HELLO_builder_free (b); | ||
174 | |||
175 | GNUNET_CRYPTO_mpi_print_unsigned (priv.d, | ||
176 | sizeof (priv.d), | ||
177 | GCRYMPI_CONST_ONE); | ||
178 | priv.d[0] &= 248; | ||
179 | priv.d[31] &= 127; | ||
180 | priv.d[31] |= 64; | ||
181 | { | ||
182 | char *buf; | ||
183 | |||
184 | buf = GNUNET_STRINGS_data_to_string_alloc (&priv, | ||
185 | sizeof (priv)); | ||
186 | fprintf (stderr, | ||
187 | "PK: %s\n", | ||
188 | buf); | ||
189 | GNUNET_free (buf); | ||
190 | } | ||
191 | GNUNET_CRYPTO_eddsa_key_get_public (&priv, | ||
192 | &pid.public_key); | ||
193 | b = GNUNET_HELLO_builder_new (&pid); | ||
194 | GNUNET_assert (GNUNET_OK == | ||
195 | GNUNET_HELLO_builder_add_address (b, | ||
196 | "a://first")); | ||
197 | GNUNET_assert (GNUNET_OK == | ||
198 | GNUNET_HELLO_builder_add_address (b, | ||
199 | "b://second")); | ||
200 | { | ||
201 | char *url; | ||
202 | |||
203 | url = GNUNET_HELLO_builder_to_url (b, | ||
204 | &priv); | ||
205 | fprintf (stderr, | ||
206 | "TV: %s\n", | ||
207 | url); | ||
208 | GNUNET_free (url); | ||
209 | } | ||
210 | |||
211 | return 0; | ||
212 | } | ||
diff --git a/src/hello/test_hello.c b/src/hello/test_hello.c deleted file mode 100644 index 8631d2af3..000000000 --- a/src/hello/test_hello.c +++ /dev/null | |||
@@ -1,253 +0,0 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet | ||
3 | Copyright (C) 2009, 2015 GNUnet e.V. | ||
4 | |||
5 | GNUnet is free software: you can redistribute it and/or modify it | ||
6 | under the terms of the GNU Affero General Public License as published | ||
7 | by the Free Software Foundation, either version 3 of the License, | ||
8 | or (at your 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 | Affero General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Affero General Public License | ||
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
17 | |||
18 | SPDX-License-Identifier: AGPL3.0-or-later | ||
19 | */ | ||
20 | /** | ||
21 | * @file hello/test_hello.c | ||
22 | * @brief test for hello.c | ||
23 | * @author Christian Grothoff | ||
24 | */ | ||
25 | #include "platform.h" | ||
26 | #include "gnunet_hello_lib.h" | ||
27 | |||
28 | |||
29 | /** | ||
30 | * | ||
31 | * | ||
32 | * @param cls | ||
33 | * @param max | ||
34 | * @param buf | ||
35 | * @return | ||
36 | */ | ||
37 | static ssize_t | ||
38 | my_addr_gen (void *cls, | ||
39 | size_t max, | ||
40 | void *buf) | ||
41 | { | ||
42 | unsigned int *i = cls; | ||
43 | size_t ret; | ||
44 | struct GNUNET_HELLO_Address address; | ||
45 | |||
46 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
47 | "DEBUG: my_addr_gen called with i = %d\n", | ||
48 | *i); | ||
49 | if (0 == *i) | ||
50 | return GNUNET_SYSERR; | ||
51 | memset (&address.peer, 0, sizeof(struct GNUNET_PeerIdentity)); | ||
52 | address.address = "address_information"; | ||
53 | address.transport_name = "test"; | ||
54 | address.address_length = *i; | ||
55 | ret = GNUNET_HELLO_add_address (&address, | ||
56 | GNUNET_TIME_absolute_get (), | ||
57 | buf, | ||
58 | max); | ||
59 | (*i)--; | ||
60 | return ret; | ||
61 | } | ||
62 | |||
63 | |||
64 | /** | ||
65 | * | ||
66 | * | ||
67 | * @param cls | ||
68 | * @param address | ||
69 | * @param expiration | ||
70 | * @return | ||
71 | */ | ||
72 | static int | ||
73 | check_addr (void *cls, | ||
74 | const struct GNUNET_HELLO_Address *address, | ||
75 | struct GNUNET_TIME_Absolute expiration) | ||
76 | { | ||
77 | unsigned int *i = cls; | ||
78 | |||
79 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
80 | "DEBUG: check_addr called with i = %d and addrlen = %u\n", | ||
81 | *i, | ||
82 | (unsigned int) address->address_length); | ||
83 | GNUNET_assert (address->address_length > 0); | ||
84 | GNUNET_assert (*i & (1 << (address->address_length - 1))); | ||
85 | *i -= (1 << (address->address_length - 1)); | ||
86 | GNUNET_assert (0 == | ||
87 | strncmp ("address_information", | ||
88 | address->address, | ||
89 | address->address_length)); | ||
90 | GNUNET_assert (0 == strcmp ("test", | ||
91 | address->transport_name)); | ||
92 | return GNUNET_OK; | ||
93 | } | ||
94 | |||
95 | |||
96 | /** | ||
97 | * | ||
98 | * | ||
99 | * @param cls | ||
100 | * @param address | ||
101 | * @param expiration | ||
102 | * @return | ||
103 | */ | ||
104 | static int | ||
105 | remove_some (void *cls, | ||
106 | const struct GNUNET_HELLO_Address *address, | ||
107 | struct GNUNET_TIME_Absolute expiration) | ||
108 | { | ||
109 | unsigned int *i = cls; | ||
110 | |||
111 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
112 | "DEBUG: remove_some called with i = %d and addrlen = %u\n", | ||
113 | *i, | ||
114 | (unsigned int) address->address_length); | ||
115 | GNUNET_assert (address->address_length > 0); | ||
116 | if (*i & (1 << (address->address_length - 1))) | ||
117 | { | ||
118 | *i -= (1 << (address->address_length - 1)); | ||
119 | return GNUNET_NO; | ||
120 | } | ||
121 | return GNUNET_OK; | ||
122 | } | ||
123 | |||
124 | |||
125 | int | ||
126 | main (int argc, | ||
127 | char *argv[]) | ||
128 | { | ||
129 | struct GNUNET_HELLO_Message *msg1; | ||
130 | struct GNUNET_HELLO_Message *msg2; | ||
131 | struct GNUNET_HELLO_Message *msg3; | ||
132 | struct GNUNET_CRYPTO_EddsaPublicKey publicKey; | ||
133 | struct GNUNET_PeerIdentity pid; | ||
134 | struct GNUNET_TIME_Absolute startup_time; | ||
135 | unsigned int i; | ||
136 | |||
137 | GNUNET_log_setup ("test-hello", | ||
138 | "DEBUG", | ||
139 | NULL); | ||
140 | startup_time = GNUNET_TIME_absolute_get (); | ||
141 | memset (&publicKey, 42, sizeof(publicKey)); | ||
142 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
143 | "Testing HELLO creation (without addresses)...\n"); | ||
144 | i = 0; | ||
145 | msg1 = GNUNET_HELLO_create (&publicKey, | ||
146 | &my_addr_gen, | ||
147 | &i, | ||
148 | GNUNET_NO); | ||
149 | GNUNET_assert (msg1 != NULL); | ||
150 | GNUNET_assert (0 < GNUNET_HELLO_size (msg1)); | ||
151 | |||
152 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
153 | "Testing address iteration (empty set)...\n"); | ||
154 | GNUNET_assert (NULL == | ||
155 | GNUNET_HELLO_iterate_addresses (msg1, | ||
156 | GNUNET_NO, | ||
157 | &check_addr, | ||
158 | &i)); | ||
159 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
160 | "Testing HELLO creation (with one address)...\n"); | ||
161 | i = 1; | ||
162 | msg2 = GNUNET_HELLO_create (&publicKey, | ||
163 | &my_addr_gen, | ||
164 | &i, | ||
165 | GNUNET_NO); | ||
166 | GNUNET_assert (msg2 != NULL); | ||
167 | GNUNET_assert (GNUNET_HELLO_size (msg1) < GNUNET_HELLO_size (msg2)); | ||
168 | |||
169 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
170 | "Testing address iteration (one address)...\n"); | ||
171 | i = 1; | ||
172 | GNUNET_assert (NULL == | ||
173 | GNUNET_HELLO_iterate_addresses (msg2, | ||
174 | GNUNET_NO, | ||
175 | &check_addr, | ||
176 | &i)); | ||
177 | GNUNET_assert (i == 0); | ||
178 | |||
179 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
180 | "Testing get_key from HELLO...\n"); | ||
181 | GNUNET_assert (GNUNET_OK == GNUNET_HELLO_get_id (msg2, &pid)); | ||
182 | GNUNET_assert (0 == GNUNET_memcmp (&publicKey, | ||
183 | &pid.public_key)); | ||
184 | GNUNET_free (msg1); | ||
185 | |||
186 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
187 | "Testing HELLO creation (with two addresses)...\n"); | ||
188 | i = 2; | ||
189 | msg3 = GNUNET_HELLO_create (&publicKey, | ||
190 | &my_addr_gen, | ||
191 | &i, | ||
192 | GNUNET_NO); | ||
193 | GNUNET_assert (msg3 != NULL); | ||
194 | GNUNET_assert (GNUNET_HELLO_size (msg2) < GNUNET_HELLO_size (msg3)); | ||
195 | |||
196 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
197 | "Testing address iteration (two addresses)...\n"); | ||
198 | i = 3; | ||
199 | GNUNET_assert (NULL == | ||
200 | GNUNET_HELLO_iterate_addresses (msg3, | ||
201 | GNUNET_NO, | ||
202 | &check_addr, | ||
203 | &i)); | ||
204 | GNUNET_assert (i == 0); | ||
205 | |||
206 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
207 | "Testing HELLO merge...\n"); | ||
208 | msg1 = GNUNET_HELLO_merge (msg2, msg3); | ||
209 | GNUNET_assert (GNUNET_HELLO_size (msg1) == GNUNET_HELLO_size (msg3)); | ||
210 | |||
211 | i = 3; | ||
212 | GNUNET_assert (NULL == | ||
213 | GNUNET_HELLO_iterate_addresses (msg1, | ||
214 | GNUNET_NO, | ||
215 | &check_addr, | ||
216 | &i)); | ||
217 | GNUNET_assert (i == 0); | ||
218 | GNUNET_free (msg1); | ||
219 | |||
220 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
221 | "Testing address iteration to copy HELLO...\n"); | ||
222 | i = 2; | ||
223 | msg1 = GNUNET_HELLO_iterate_addresses (msg3, | ||
224 | GNUNET_YES, | ||
225 | &remove_some, | ||
226 | &i); | ||
227 | GNUNET_assert (msg1 != NULL); | ||
228 | GNUNET_assert (i == 0); | ||
229 | i = 1; | ||
230 | GNUNET_assert (NULL == | ||
231 | GNUNET_HELLO_iterate_addresses (msg1, | ||
232 | GNUNET_NO, | ||
233 | &check_addr, | ||
234 | &i)); | ||
235 | GNUNET_assert (i == 0); | ||
236 | GNUNET_free (msg1); | ||
237 | |||
238 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
239 | "Testing delta address iteration...\n"); | ||
240 | i = 2; | ||
241 | GNUNET_HELLO_iterate_new_addresses (msg3, | ||
242 | msg2, | ||
243 | startup_time, | ||
244 | &check_addr, | ||
245 | &i); | ||
246 | GNUNET_assert (i == 0); | ||
247 | GNUNET_free (msg2); | ||
248 | GNUNET_free (msg3); | ||
249 | return 0; /* testcase passed */ | ||
250 | } | ||
251 | |||
252 | |||
253 | /* end of test_hello.c */ | ||