2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2012 The FreeBSD Foundation
7 * This software was developed by Edward Tomasz Napierala under sponsorship
8 * from the FreeBSD Foundation.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
48 keys = calloc(1, sizeof(*keys));
56 keys_delete(struct keys *keys)
59 free(keys->keys_data);
64 keys_load(struct keys *keys, const struct pdu *pdu)
70 if (pdu->pdu_data_len == 0)
73 if (pdu->pdu_data[pdu->pdu_data_len - 1] != '\0')
74 log_errx(1, "protocol error: key not NULL-terminated\n");
76 assert(keys->keys_data == NULL);
77 keys->keys_data_len = pdu->pdu_data_len;
78 keys->keys_data = malloc(keys->keys_data_len);
79 if (keys->keys_data == NULL)
81 memcpy(keys->keys_data, pdu->pdu_data, keys->keys_data_len);
84 * XXX: Review this carefully.
86 pair = keys->keys_data;
89 log_errx(1, "too many keys received");
91 pair_len = strlen(pair);
93 keys->keys_values[i] = pair;
94 keys->keys_names[i] = strsep(&keys->keys_values[i], "=");
95 if (keys->keys_names[i] == NULL || keys->keys_values[i] == NULL)
96 log_errx(1, "malformed keys");
97 log_debugx("key received: \"%s=%s\"",
98 keys->keys_names[i], keys->keys_values[i]);
100 pair += pair_len + 1; /* +1 to skip the terminating '\0'. */
101 if (pair == keys->keys_data + keys->keys_data_len)
103 assert(pair < keys->keys_data + keys->keys_data_len);
108 keys_save(struct keys *keys, struct pdu *pdu)
115 * XXX: Not particularly efficient.
118 for (i = 0; i < KEYS_MAX; i++) {
119 if (keys->keys_names[i] == NULL)
122 * +1 for '=', +1 for '\0'.
124 len += strlen(keys->keys_names[i]) +
125 strlen(keys->keys_values[i]) + 2;
133 log_err(1, "malloc");
135 pdu->pdu_data = data;
136 pdu->pdu_data_len = len;
138 for (i = 0; i < KEYS_MAX; i++) {
139 if (keys->keys_names[i] == NULL)
141 data += sprintf(data, "%s=%s",
142 keys->keys_names[i], keys->keys_values[i]);
143 data += 1; /* for '\0'. */
148 keys_find(struct keys *keys, const char *name)
153 * Note that we don't handle duplicated key names here,
154 * as they are not supposed to happen in requests, and if they do,
155 * it's an initiator error.
157 for (i = 0; i < KEYS_MAX; i++) {
158 if (keys->keys_names[i] == NULL)
160 if (strcmp(keys->keys_names[i], name) == 0)
161 return (keys->keys_values[i]);
167 keys_add(struct keys *keys, const char *name, const char *value)
171 log_debugx("key to send: \"%s=%s\"", name, value);
174 * Note that we don't check for duplicates here, as they are perfectly
175 * fine in responses, e.g. the "TargetName" keys in discovery sesion
178 for (i = 0; i < KEYS_MAX; i++) {
179 if (keys->keys_names[i] == NULL) {
180 keys->keys_names[i] = checked_strdup(name);
181 keys->keys_values[i] = checked_strdup(value);
185 log_errx(1, "too many keys");
189 keys_add_int(struct keys *keys, const char *name, int value)
194 ret = asprintf(&str, "%d", value);
196 log_err(1, "asprintf");
198 keys_add(keys, name, str);