1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
/*
* Copyright (c) 2007 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "hx_locl.h"
RCSID("$Id: env.c 22349 2007-12-26 19:32:49Z lha $");
/**
* @page page_env Hx509 enviroment functions
*
* See the library functions here: @ref hx509_env
*/
struct hx509_env {
struct {
char *key;
char *value;
} *val;
size_t len;
};
/**
* Allocate a new hx509_env container object.
*
* @param context A hx509 context.
* @param env return a hx509_env structure, free with hx509_env_free().
*
* @return An hx509 error code, see hx509_get_error_string().
*
* @ingroup hx509_env
*/
int
hx509_env_init(hx509_context context, hx509_env *env)
{
*env = calloc(1, sizeof(**env));
if (*env == NULL) {
hx509_set_error_string(context, 0, ENOMEM, "out of memory");
return ENOMEM;
}
return 0;
}
/**
* Add a new key/value pair to the hx509_env.
*
* @param context A hx509 context.
* @param env enviroment to add the enviroment variable too.
* @param key key to add
* @param value value to add
*
* @return An hx509 error code, see hx509_get_error_string().
*
* @ingroup hx509_env
*/
int
hx509_env_add(hx509_context context, hx509_env env,
const char *key, const char *value)
{
void *ptr;
ptr = realloc(env->val, sizeof(env->val[0]) * (env->len + 1));
if (ptr == NULL) {
hx509_set_error_string(context, 0, ENOMEM, "out of memory");
return ENOMEM;
}
env->val = ptr;
env->val[env->len].key = strdup(key);
if (env->val[env->len].key == NULL) {
hx509_set_error_string(context, 0, ENOMEM, "out of memory");
return ENOMEM;
}
env->val[env->len].value = strdup(value);
if (env->val[env->len].value == NULL) {
free(env->val[env->len].key);
hx509_set_error_string(context, 0, ENOMEM, "out of memory");
return ENOMEM;
}
env->len++;
return 0;
}
/**
* Search the hx509_env for a key.
*
* @param context A hx509 context.
* @param env enviroment to add the enviroment variable too.
* @param key key to search for.
* @param len length of key.
*
* @return the value if the key is found, NULL otherwise.
*
* @ingroup hx509_env
*/
const char *
hx509_env_lfind(hx509_context context, hx509_env env,
const char *key, size_t len)
{
size_t i;
for (i = 0; i < env->len; i++) {
char *s = env->val[i].key;
if (strncmp(key, s, len) == 0 && s[len] == '\0')
return env->val[i].value;
}
return NULL;
}
/**
* Free an hx509_env enviroment context.
*
* @param env the enviroment to free.
*
* @ingroup hx509_env
*/
void
hx509_env_free(hx509_env *env)
{
size_t i;
for (i = 0; i < (*env)->len; i++) {
free((*env)->val[i].key);
free((*env)->val[i].value);
}
free((*env)->val);
free(*env);
*env = NULL;
}
|
