2 * Copyright (c) 2012 The FreeBSD Foundation
5 * This software was developed by Edward Tomasz Napierala under sponsorship
6 * from the FreeBSD Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
46 keys = calloc(1, sizeof(*keys));
54 keys_delete(struct keys *keys)
57 free(keys->keys_data);
62 keys_load(struct keys *keys, const struct pdu *pdu)
68 if (pdu->pdu_data_len == 0)
71 if (pdu->pdu_data[pdu->pdu_data_len - 1] != '\0')
72 log_errx(1, "protocol error: key not NULL-terminated\n");
74 assert(keys->keys_data == NULL);
75 keys->keys_data_len = pdu->pdu_data_len;
76 keys->keys_data = malloc(keys->keys_data_len);
77 if (keys->keys_data == NULL)
79 memcpy(keys->keys_data, pdu->pdu_data, keys->keys_data_len);
82 * XXX: Review this carefully.
84 pair = keys->keys_data;
87 log_errx(1, "too many keys received");
89 pair_len = strlen(pair);
91 keys->keys_values[i] = pair;
92 keys->keys_names[i] = strsep(&keys->keys_values[i], "=");
93 if (keys->keys_names[i] == NULL || keys->keys_values[i] == NULL)
94 log_errx(1, "malformed keys");
95 log_debugx("key received: \"%s=%s\"",
96 keys->keys_names[i], keys->keys_values[i]);
98 pair += pair_len + 1; /* +1 to skip the terminating '\0'. */
99 if (pair == keys->keys_data + keys->keys_data_len)
101 assert(pair < keys->keys_data + keys->keys_data_len);
106 keys_save(struct keys *keys, struct pdu *pdu)
113 * XXX: Not particularly efficient.
116 for (i = 0; i < KEYS_MAX; i++) {
117 if (keys->keys_names[i] == NULL)
120 * +1 for '=', +1 for '\0'.
122 len += strlen(keys->keys_names[i]) +
123 strlen(keys->keys_values[i]) + 2;
131 log_err(1, "malloc");
133 pdu->pdu_data = data;
134 pdu->pdu_data_len = len;
136 for (i = 0; i < KEYS_MAX; i++) {
137 if (keys->keys_names[i] == NULL)
139 data += sprintf(data, "%s=%s",
140 keys->keys_names[i], keys->keys_values[i]);
141 data += 1; /* for '\0'. */
146 keys_find(struct keys *keys, const char *name)
151 * Note that we don't handle duplicated key names here,
152 * as they are not supposed to happen in requests, and if they do,
153 * it's an initiator error.
155 for (i = 0; i < KEYS_MAX; i++) {
156 if (keys->keys_names[i] == NULL)
158 if (strcmp(keys->keys_names[i], name) == 0)
159 return (keys->keys_values[i]);
165 keys_add(struct keys *keys, const char *name, const char *value)
169 log_debugx("key to send: \"%s=%s\"", name, value);
172 * Note that we don't check for duplicates here, as they are perfectly
173 * fine in responses, e.g. the "TargetName" keys in discovery sesion
176 for (i = 0; i < KEYS_MAX; i++) {
177 if (keys->keys_names[i] == NULL) {
178 keys->keys_names[i] = checked_strdup(name);
179 keys->keys_values[i] = checked_strdup(value);
183 log_errx(1, "too many keys");
187 keys_add_int(struct keys *keys, const char *name, int value)
192 ret = asprintf(&str, "%d", value);
194 log_err(1, "asprintf");
196 keys_add(keys, name, str);