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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/* SPDX-FileCopyrightText: 2010-2023 Greenbone AG
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
/**
* @file settings.c
* @brief Implementation of API to handle configuration file management
*/
#include "settings.h"
#include <stdio.h>
#include <string.h> /* for strlen */
#undef G_LOG_DOMAIN
/**
* @brief GLib log domain.
*/
#define G_LOG_DOMAIN "libgvm base"
/**
* @brief Initialise a settings struct from a file.
*
* @param[in] settings Settings.
* @param[in] filename Complete name of the configuration file.
* @param[in] group Name of the group in the file.
*
* @return 0 success, -1 error.
*/
static int
settings_init_from_file (settings_t *settings, const gchar *filename,
const gchar *group)
{
GError *error = NULL;
if (filename == NULL || group == NULL)
return -1;
gchar *contents = NULL;
if (!g_file_get_contents (filename, &contents, NULL, &error))
{
g_error_free (error);
return -1;
}
if (contents != NULL)
{
gchar *contents_with_group = g_strjoin ("\n", "[Misc]", contents, NULL);
settings->key_file = g_key_file_new ();
if (!g_key_file_load_from_data (
settings->key_file, contents_with_group,
strlen (contents_with_group),
G_KEY_FILE_KEEP_COMMENTS | G_KEY_FILE_KEEP_TRANSLATIONS, &error))
{
g_warning ("Failed to load configuration from %s: %s", filename,
error->message);
g_error_free (error);
g_free (contents_with_group);
g_free (contents);
return -1;
}
g_free (contents_with_group);
g_free (contents);
}
settings->group_name = g_strdup (group);
settings->file_name = g_strdup (filename);
return 0;
}
/**
* @brief Cleanup a settings structure.
*
* @param[in] settings Settings structure.
*/
void
settings_cleanup (settings_t *settings)
{
g_free (settings->group_name);
g_free (settings->file_name);
g_key_file_free (settings->key_file);
}
/**
* @brief Initialise a settings iterator from a file.
*
* @param[in] iterator Settings iterator.
* @param[in] filename Complete name of the configuration file.
* @param[in] group Name of the group in the file.
*
* @return 0 success, -1 error.
*/
int
init_settings_iterator_from_file (settings_iterator_t *iterator,
const gchar *filename, const gchar *group)
{
int ret;
gsize keys_length;
GError *error = NULL;
ret = settings_init_from_file (&iterator->settings, filename, group);
if (ret)
return ret;
iterator->keys = g_key_file_get_keys (iterator->settings.key_file, group,
&keys_length, &error);
if (iterator->keys == NULL)
{
if (error)
{
g_warning ("Failed to retrieve keys of group %s from %s: %s", group,
filename, error->message);
g_error_free (error);
}
g_key_file_free (iterator->settings.key_file);
return -1;
}
iterator->current_key = iterator->keys - 1;
iterator->last_key = iterator->keys + keys_length - 1;
return 0;
}
/**
* @brief Cleanup a settings iterator.
*
* @param[in] iterator Settings iterator.
*/
void
cleanup_settings_iterator (settings_iterator_t *iterator)
{
g_strfreev (iterator->keys);
settings_cleanup (&iterator->settings);
}
/**
* @brief Increment an iterator.
*
* @param[in] iterator Settings iterator.
*
* @return TRUE if there was a next item, else FALSE.
*/
gboolean
settings_iterator_next (settings_iterator_t *iterator)
{
if (iterator->current_key == iterator->last_key)
return FALSE;
iterator->current_key++;
return TRUE;
}
/**
* @brief Get the name from a settings iterator.
*
* @param[in] iterator Settings iterator.
*
* @return Name of current key.
*/
const gchar *
settings_iterator_name (settings_iterator_t *iterator)
{
return *iterator->current_key;
}
/**
* @brief Get the value from a settings iterator.
*
* @param[in] iterator Settings iterator.
*
* @return Value of current key. Caller must g_free.
*/
gchar *
settings_iterator_value (settings_iterator_t *iterator)
{
return g_key_file_get_value (iterator->settings.key_file,
iterator->settings.group_name,
*iterator->current_key, NULL);
}
|
