Line data Source code
1 : /*
2 : This file is part of TALER
3 : Copyright (C) 2024 Taler Systems SA
4 :
5 : TALER is free software; you can redistribute it and/or modify it under the
6 : terms of the GNU General Public License as published by the Free Software
7 : Foundation; either version 3, or (at your option) any later version.
8 :
9 : TALER is distributed in the hope that it will be useful, but WITHOUT ANY
10 : WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
11 : A PARTICULAR PURPOSE. See the GNU General Public License for more details.
12 :
13 : You should have received a copy of the GNU General Public License along with
14 : TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
15 : */
16 :
17 :
18 : #include "taler/taler_pq_lib.h"
19 : #include "pg_helper.h"
20 :
21 : #include "auditor-database/get_exchange_signkeys.h"
22 :
23 :
24 : struct ExchangeSignkeysContext
25 : {
26 :
27 : /**
28 : * Function to call for each bad sig loss.
29 : */
30 : TALER_AUDITORDB_ExchangeSignkeysCallback cb;
31 :
32 : /**
33 : * Closure for @e cb
34 : */
35 : void *cb_cls;
36 :
37 : /**
38 : * Plugin context.
39 : */
40 : struct TALER_AUDITORDB_PostgresContext *pg;
41 :
42 : /**
43 : * Query status to return.
44 : */
45 : enum GNUNET_DB_QueryStatus qs;
46 : };
47 :
48 :
49 : /**
50 : * Helper function for #TALER_AUDITORDB_get_exchange_signkeys().
51 : * To be called with the results of a SELECT statement
52 : * that has returned @a num_results results.
53 : *
54 : * @param cls closure of type `struct ExchangeSignkeysContext *`
55 : * @param result the postgres result
56 : * @param num_results the number of results in @a result
57 : */
58 : static void
59 0 : exchange_signkeys_cb (void *cls,
60 : PGresult *result,
61 : unsigned int num_results)
62 : {
63 0 : struct ExchangeSignkeysContext *dcc = cls;
64 : // struct TALER_AUDITORDB_PostgresContext *pg = dcc->pg;
65 :
66 0 : for (unsigned int i = 0; i < num_results; i++)
67 : {
68 : uint64_t serial_id;
69 :
70 : struct TALER_AUDITORDB_ExchangeSignkeys dc;
71 :
72 0 : struct GNUNET_PQ_ResultSpec rs[] = {
73 :
74 0 : GNUNET_PQ_result_spec_uint64 ("row_id", &serial_id),
75 :
76 0 : GNUNET_PQ_result_spec_auto_from_type ("exchange_pub", &dc.exchange_pub),
77 0 : GNUNET_PQ_result_spec_auto_from_type ("master_sig", &dc.master_sig),
78 0 : GNUNET_PQ_result_spec_absolute_time ("ep_valid_from", &dc.ep_valid_from),
79 0 : GNUNET_PQ_result_spec_absolute_time ("ep_expire_sign",
80 : &dc.ep_expire_sign),
81 0 : GNUNET_PQ_result_spec_absolute_time ("ep_expire_legal",
82 : &dc.ep_expire_legal),
83 0 : GNUNET_PQ_result_spec_bool ("suppressed", &dc.suppressed),
84 :
85 :
86 : GNUNET_PQ_result_spec_end
87 : };
88 : enum GNUNET_GenericReturnValue rval;
89 :
90 0 : if (GNUNET_OK !=
91 0 : GNUNET_PQ_extract_result (result,
92 : rs,
93 : i))
94 : {
95 0 : GNUNET_break (0);
96 0 : dcc->qs = GNUNET_DB_STATUS_HARD_ERROR;
97 0 : return;
98 : }
99 :
100 0 : dcc->qs = i + 1;
101 :
102 0 : rval = dcc->cb (dcc->cb_cls,
103 : serial_id,
104 : &dc);
105 0 : GNUNET_PQ_cleanup_result (rs);
106 0 : if (GNUNET_OK != rval)
107 0 : break;
108 : }
109 : }
110 :
111 :
112 : enum GNUNET_DB_QueryStatus
113 0 : TALER_AUDITORDB_get_exchange_signkeys (struct TALER_AUDITORDB_PostgresContext *
114 : pg,
115 : int64_t limit,
116 : uint64_t offset,
117 : bool return_suppressed, // maybe not needed
118 : TALER_AUDITORDB_ExchangeSignkeysCallback
119 : cb,
120 : void *cb_cls)
121 : {
122 :
123 0 : uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit);
124 0 : struct GNUNET_PQ_QueryParam params[] = {
125 0 : GNUNET_PQ_query_param_uint64 (&offset),
126 0 : GNUNET_PQ_query_param_bool (return_suppressed),
127 0 : GNUNET_PQ_query_param_uint64 (&plimit),
128 : GNUNET_PQ_query_param_end
129 : };
130 0 : struct ExchangeSignkeysContext dcc = {
131 : .cb = cb,
132 : .cb_cls = cb_cls,
133 : .pg = pg
134 : };
135 : enum GNUNET_DB_QueryStatus qs;
136 :
137 0 : PREPARE (pg,
138 : "auditor_exchange_signkeys_get_desc",
139 : "SELECT"
140 : " row_id,"
141 : " exchange_pub,"
142 : " master_sig,"
143 : " ep_valid_from,"
144 : " ep_expire_sign,"
145 : " ep_expire_legal,"
146 : " suppressed"
147 : " FROM auditor_exchange_signkeys"
148 : " WHERE (row_id < $1)"
149 : " AND ($2 OR suppressed is false)"
150 : " ORDER BY row_id DESC"
151 : " LIMIT $3"
152 : );
153 0 : PREPARE (pg,
154 : "auditor_exchange_signkeys_get_asc",
155 : "SELECT"
156 : " row_id,"
157 : " exchange_pub,"
158 : " master_sig,"
159 : " ep_valid_from,"
160 : " ep_expire_sign,"
161 : " ep_expire_legal,"
162 : " suppressed"
163 : " FROM auditor_exchange_signkeys"
164 : " WHERE (row_id > $1)"
165 : " AND ($2 OR suppressed is false)"
166 : " ORDER BY row_id ASC"
167 : " LIMIT $3"
168 : );
169 0 : qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn,
170 : (limit > 0)
171 : ?
172 : "auditor_exchange_signkeys_get_asc"
173 : :
174 : "auditor_exchange_signkeys_get_desc",
175 : params,
176 : &exchange_signkeys_cb,
177 : &dcc);
178 :
179 0 : if (qs > 0)
180 0 : return dcc.qs;
181 0 : GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs);
182 0 : return qs;
183 : }
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