Line data Source code
1 : /*
2 : This file is part of TALER
3 : Copyright (C) 2014-2020 Taler Systems SA
4 :
5 : TALER is free software; you can redistribute it and/or modify
6 : it under the terms of the GNU General Public License as
7 : published by the Free Software Foundation; either version 3, or
8 : (at your option) any later version.
9 :
10 : TALER 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
13 : GNU General Public License for more details.
14 :
15 : You should have received a copy of the GNU General Public
16 : License along with TALER; see the file COPYING. If not, see
17 : <http://www.gnu.org/licenses/>
18 : */
19 : /**
20 : * @file testing/testing_api_cmd_revoke_denom_key.c
21 : * @brief Implement the revoke test command.
22 : * @author Christian Grothoff
23 : */
24 : #include "platform.h"
25 : #include "taler_json_lib.h"
26 : #include <gnunet/gnunet_curl_lib.h>
27 : #include "taler_signatures.h"
28 : #include "taler_testing_lib.h"
29 :
30 :
31 : /**
32 : * State for a "revoke" CMD.
33 : */
34 : struct RevokeState
35 : {
36 : /**
37 : * Expected HTTP status code.
38 : */
39 : unsigned int expected_response_code;
40 :
41 : /**
42 : * Command that offers a denomination to revoke.
43 : */
44 : const char *coin_reference;
45 :
46 : /**
47 : * The interpreter state.
48 : */
49 : struct TALER_TESTING_Interpreter *is;
50 :
51 : /**
52 : * Handle for the operation.
53 : */
54 : struct TALER_EXCHANGE_ManagementRevokeDenominationKeyHandle *kh;
55 :
56 : /**
57 : * Should we use a bogus signature?
58 : */
59 : bool bad_sig;
60 :
61 : };
62 :
63 :
64 : /**
65 : * Function called with information about the post revocation operation result.
66 : *
67 : * @param cls closure with a `struct RevokeState *`
68 : * @param hr HTTP response data
69 : */
70 : static void
71 0 : success_cb (
72 : void *cls,
73 : const struct TALER_EXCHANGE_HttpResponse *hr)
74 : {
75 0 : struct RevokeState *rs = cls;
76 :
77 0 : rs->kh = NULL;
78 0 : if (rs->expected_response_code != hr->http_status)
79 : {
80 0 : GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
81 : "Unexpected response code %u to command %s in %s:%u\n",
82 : hr->http_status,
83 : rs->is->commands[rs->is->ip].label,
84 : __FILE__,
85 : __LINE__);
86 0 : json_dumpf (hr->reply,
87 : stderr,
88 : 0);
89 0 : TALER_TESTING_interpreter_fail (rs->is);
90 0 : return;
91 : }
92 0 : TALER_TESTING_interpreter_next (rs->is);
93 : }
94 :
95 :
96 : /**
97 : * Cleanup the state.
98 : *
99 : * @param cls closure, must be a `struct RevokeState`.
100 : * @param cmd the command which is being cleaned up.
101 : */
102 : static void
103 0 : revoke_cleanup (void *cls,
104 : const struct TALER_TESTING_Command *cmd)
105 : {
106 0 : struct RevokeState *rs = cls;
107 :
108 0 : if (NULL != rs->kh)
109 : {
110 0 : TALER_EXCHANGE_management_revoke_denomination_key_cancel (rs->kh);
111 0 : rs->kh = NULL;
112 : }
113 0 : GNUNET_free (rs);
114 0 : }
115 :
116 :
117 : /**
118 : * Offer internal data from a "revoke" CMD to other CMDs.
119 : *
120 : * @param cls closure
121 : * @param[out] ret result (could be anything)
122 : * @param trait name of the trait
123 : * @param index index number of the object to offer.
124 : * @return #GNUNET_OK on success
125 : */
126 : static int
127 0 : revoke_traits (void *cls,
128 : const void **ret,
129 : const char *trait,
130 : unsigned int index)
131 : {
132 0 : struct RevokeState *rs = cls;
133 : struct TALER_TESTING_Trait traits[] = {
134 0 : TALER_TESTING_trait_end ()
135 : };
136 :
137 : (void) rs;
138 0 : return TALER_TESTING_get_trait (traits,
139 : ret,
140 : trait,
141 : index);
142 : }
143 :
144 :
145 : /**
146 : * Run the "revoke" command for a denomination key.
147 : *
148 : * @param cls closure.
149 : * @param cmd the command to execute.
150 : * @param is the interpreter state.
151 : */
152 : static void
153 0 : revoke_run (void *cls,
154 : const struct TALER_TESTING_Command *cmd,
155 : struct TALER_TESTING_Interpreter *is)
156 : {
157 0 : struct RevokeState *rs = cls;
158 : const struct TALER_TESTING_Command *coin_cmd;
159 : const struct TALER_EXCHANGE_DenomPublicKey *denom_pub;
160 : struct TALER_MasterSignatureP master_sig;
161 :
162 0 : rs->is = is;
163 : /* Get denom pub from trait */
164 0 : coin_cmd = TALER_TESTING_interpreter_lookup_command (is,
165 : rs->coin_reference);
166 :
167 0 : if (NULL == coin_cmd)
168 : {
169 0 : GNUNET_break (0);
170 0 : TALER_TESTING_interpreter_fail (is);
171 0 : return;
172 : }
173 0 : GNUNET_assert (GNUNET_OK ==
174 : TALER_TESTING_get_trait_denom_pub (coin_cmd,
175 : 0,
176 : &denom_pub));
177 0 : GNUNET_log (GNUNET_ERROR_TYPE_INFO,
178 : "Trying to revoke denom '%s..'\n",
179 : TALER_B2S (&denom_pub->h_key));
180 0 : if (rs->bad_sig)
181 : {
182 0 : memset (&master_sig,
183 : 42,
184 : sizeof (master_sig));
185 : }
186 : else
187 : {
188 0 : TALER_exchange_offline_denomination_revoke_sign (&denom_pub->h_key,
189 0 : &is->master_priv,
190 : &master_sig);
191 : }
192 0 : rs->kh = TALER_EXCHANGE_management_revoke_denomination_key (
193 : is->ctx,
194 0 : is->exchange_url,
195 0 : &denom_pub->h_key,
196 : &master_sig,
197 : &success_cb,
198 : rs);
199 0 : if (NULL == rs->kh)
200 : {
201 0 : GNUNET_break (0);
202 0 : TALER_TESTING_interpreter_fail (is);
203 0 : return;
204 : }
205 : }
206 :
207 :
208 : struct TALER_TESTING_Command
209 0 : TALER_TESTING_cmd_revoke_denom_key (
210 : const char *label,
211 : unsigned int expected_response_code,
212 : bool bad_sig,
213 : const char *denom_ref)
214 : {
215 : struct RevokeState *rs;
216 :
217 0 : rs = GNUNET_new (struct RevokeState);
218 0 : rs->expected_response_code = expected_response_code;
219 0 : rs->coin_reference = denom_ref;
220 0 : rs->bad_sig = bad_sig;
221 : {
222 0 : struct TALER_TESTING_Command cmd = {
223 : .cls = rs,
224 : .label = label,
225 : .run = &revoke_run,
226 : .cleanup = &revoke_cleanup,
227 : .traits = &revoke_traits
228 : };
229 :
230 0 : return cmd;
231 : }
232 : }
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