GNUnet 0.24.1-15-gab6ed22f1
gnunet-config.c
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1/*
2 This file is part of GNUnet.
3 Copyright (C) 2012-2021 GNUnet e.V.
4
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your option) any later version.
9
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Affero General Public License for more details.
14
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
17
18 SPDX-License-Identifier: AGPL3.0-or-later
19 */
20
26#include "platform.h"
27#include "gnunet_util_lib.h"
28
29
35static char *backend_check;
36
40static int cflags;
41
45static int is_experimental;
46
50static int no_defaults;
51
55static char *ram_config;
56
60static int libs;
61
65static int prefix;
66
67
75int
76main (int argc,
77 char *const *argv)
78{
79 const struct GNUNET_OS_ProjectData *pd
83 .global_ret = EXIT_SUCCESS
84 };
85 char *cfgfile = NULL;
86 char *loglev = NULL;
87 char *logfile = NULL;
91 "gnunet-config [OPTIONS]"),
97 'b',
98 "supported-backend",
99 "BACKEND",
101 "test if the current installation supports the specified BACKEND"),
102 &backend_check)),
104 'C',
105 "cflags",
107 "Provide an appropriate value for CFLAGS to applications building on top of GNUnet"),
108 &cflags),
110 'E',
111 "is-experimental",
112 gettext_noop ("Is this an experimental build of GNUnet"),
115 'j',
116 "libs",
118 "Provide an appropriate value for LIBS to applications building on top of GNUnet"),
119 &libs),
121 'n',
122 "no-defaults",
123 gettext_noop ("Do not parse default configuration files"),
124 &no_defaults),
126 'p',
127 "prefix",
129 "Provide the path under which GNUnet was installed"),
130 &prefix),
132 'R',
133 "ram-config",
134 "CONFIG_DATA",
136 "Parse main configuration from this command-line argument and not from disk"),
137 &ram_config),
140 };
141 int iret;
142
143 if ( (NULL != pd->config_file) &&
144 (NULL != pd->user_config_file) )
146 iret = GNUNET_GETOPT_run ("gnunet-config",
147 options,
148 argc,
149 argv);
150 if (GNUNET_SYSERR == iret)
151 {
152 GNUNET_free (cfgfile);
153 GNUNET_free (loglev);
154 GNUNET_free (logfile);
156 }
157 if (GNUNET_OK !=
158 GNUNET_log_setup ("gnunet-config",
159 loglev,
160 logfile))
161 {
162 GNUNET_free (cfgfile);
163 GNUNET_free (loglev);
164 GNUNET_free (logfile);
165 return EXIT_FAILURE;
166 }
167 GNUNET_free (loglev);
168 GNUNET_free (logfile);
169 if (1 == is_experimental)
170 {
171 GNUNET_free (cfgfile);
172#ifdef GNUNET_EXPERIMENTAL
173 return 0;
174#else
175 return 1;
176#endif
177 }
178 if (1 == cflags || 1 == libs || 1 == prefix)
179 {
180 char *prefixdir = GNUNET_OS_installation_get_path (pd,
182 char *libdir = GNUNET_OS_installation_get_path (pd,
184
185 if (1 == cflags)
186 {
187 fprintf (stdout, "-I%sinclude\n", prefixdir);
188 }
189 if (1 == libs)
190 {
191 fprintf (stdout, "-L%s -lgnunetutil\n", libdir);
192 }
193 if (1 == prefix)
194 {
195 fprintf (stdout, "%s\n", prefixdir);
196 }
197 GNUNET_free (prefixdir);
198 GNUNET_free (libdir);
199 GNUNET_free (cfgfile);
200 return 0;
201 }
202 if (NULL != backend_check)
203 {
204 char *name;
205
207 "libgnunet_plugin_%s",
209 iret = (GNUNET_OK ==
211 name)) ? 0 : 77;
213 GNUNET_free (cfgfile);
214 return iret;
215 }
216
217 {
219
221
222 if (NULL != ram_config)
223 {
224 if ( (! no_defaults) &&
225 (GNUNET_SYSERR ==
227 NULL)) )
228 {
230 _ ("Failed to load default configuration, exiting ...\n"));
232 GNUNET_free (cfgfile);
233 return EXIT_FAILURE;
234 }
235 if (GNUNET_OK !=
238 strlen (ram_config),
239 NULL))
240 {
242 _ ("Failed to parse configuration, exiting ...\n"));
244 GNUNET_free (cfgfile);
245 return EXIT_FAILURE;
246 }
247 }
248 else if (NULL != cfgfile)
249 {
250 if (GNUNET_YES !=
251 GNUNET_DISK_file_test (cfgfile))
252 {
254 _ ("Unreadable configuration file `%s', exiting ...\n"),
255 cfgfile);
257 GNUNET_free (cfgfile);
258 return EXIT_FAILURE;
259 }
260 if (GNUNET_SYSERR ==
263 cfgfile)
265 cfgfile)) )
266 {
268 _ ("Malformed configuration file `%s', exiting ...\n"),
269 cfgfile);
271 GNUNET_free (cfgfile);
272 return EXIT_FAILURE;
273 }
274 }
275 else if (! no_defaults)
276 {
277 /* cfgfile is NULL, so only load defaults */
278 if (GNUNET_SYSERR ==
280 NULL))
281 {
283 _ ("Malformed configuration file `%s', exiting ...\n"),
284 cfgfile);
286 return EXIT_FAILURE;
287 }
288 }
290 &argv[iret],
291 cfgfile,
292 cfg);
295 }
296 GNUNET_free (cfgfile);
297 return cs.global_ret;
298}
299
300
301/* end of gnunet-config.c */
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_OPTION_END
Definition: 002.c:13
struct GNUNET_GETOPT_CommandLineOption options[]
Definition: 002.c:5
#define gettext_noop(String)
Definition: gettext.h:74
static struct GNUNET_CONFIGURATION_Handle * cfg
Our configuration.
Definition: gnunet-arm.c:108
static char * ram_config
Parse configuration from this memory.
Definition: gnunet-config.c:55
static int no_defaults
Do not load default configuration.
Definition: gnunet-config.c:50
static int libs
If printing the value of LIBS has been requested.
Definition: gnunet-config.c:60
static char * backend_check
Backend to check if the respective plugin is loadable.
Definition: gnunet-config.c:35
static int cflags
If printing the value of CFLAGS has been requested.
Definition: gnunet-config.c:40
static int is_experimental
Check if this is an experimental build.
Definition: gnunet-config.c:45
int main(int argc, char *const *argv)
Program to manipulate configuration files.
Definition: gnunet-config.c:76
static int prefix
If printing the value of PREFIX has been requested.
Definition: gnunet-config.c:65
static char * name
Name (label) of the records to list.
#define GNUNET_CONFIGURATION_CONFIG_OPTIONS(cs)
Macro that expands to a set of GNUNET-getopt directives to initialize a struct GNUNET_CONFIGURATION_C...
struct GNUNET_CONFIGURATION_Handle * GNUNET_CONFIGURATION_create(const struct GNUNET_OS_ProjectData *pd)
Create a new configuration object.
void GNUNET_CONFIGURATION_destroy(struct GNUNET_CONFIGURATION_Handle *cfg)
Destroy configuration object.
void GNUNET_CONFIGURATION_config_settings_free(struct GNUNET_CONFIGURATION_ConfigSettings *cs)
Free resources associated with cs.
void GNUNET_CONFIGURATION_config_tool_run(void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
Main task to run to perform operations typical for gnunet-config as per the configuration settings gi...
enum GNUNET_GenericReturnValue GNUNET_CONFIGURATION_deserialize(struct GNUNET_CONFIGURATION_Handle *cfg, const char *mem, size_t size, const char *source_filename)
De-serializes configuration.
char * GNUNET_CONFIGURATION_default_filename(const struct GNUNET_OS_ProjectData *pd)
Return the filename of the default configuration filename that is used when no explicit configuration...
enum GNUNET_GenericReturnValue GNUNET_CONFIGURATION_load(struct GNUNET_CONFIGURATION_Handle *cfg, const char *filename)
Load configuration.
enum GNUNET_GenericReturnValue GNUNET_CONFIGURATION_parse(struct GNUNET_CONFIGURATION_Handle *cfg, const char *filename)
Parse a configuration file, add all of the options in the file to the configuration environment.
enum GNUNET_GenericReturnValue GNUNET_DISK_file_test(const char *fil)
Check that fil corresponds to a filename (of a file that exists and that is not a directory).
Definition: disk.c:523
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_cfgfile(char **fn)
Allow user to specify configuration file name (-c option)
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_logfile(char **logfn)
Allow user to specify log file name (-l option)
int GNUNET_GETOPT_run(const char *binaryOptions, const struct GNUNET_GETOPT_CommandLineOption *allOptions, unsigned int argc, char *const *argv)
Parse the command line.
Definition: getopt.c:884
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_exclusive(struct GNUNET_GETOPT_CommandLineOption opt)
Make the given option mutually exclusive with other options.
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_help(const struct GNUNET_OS_ProjectData *pd, const char *about)
Defining the option to print the command line help text (-h option).
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_loglevel(char **level)
Define the '-L' log level option.
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_flag(char shortName, const char *name, const char *description, int *val)
Allow user to specify a flag (which internally means setting an integer to 1/GNUNET_YES/GNUNET_OK.
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_string(char shortName, const char *name, const char *argumentHelp, const char *description, char **str)
Allow user to specify a string.
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_version(const char *version)
Define the option to print the version of the application (-v option)
#define GNUNET_log(kind,...)
#define GNUNET_UTIL_VERSION
Version of the API (for entire gnunetutil.so library).
Definition: gnunet_common.h:98
@ GNUNET_OK
@ GNUNET_YES
@ GNUNET_SYSERR
enum GNUNET_GenericReturnValue GNUNET_log_setup(const char *comp, const char *loglevel, const char *logfile)
Setup logging.
@ GNUNET_ERROR_TYPE_ERROR
int int GNUNET_asprintf(char **buf, const char *format,...) __attribute__((format(printf
Like asprintf, just portable.
#define GNUNET_free(ptr)
Wrapper around free.
const struct GNUNET_OS_ProjectData * GNUNET_OS_project_data_gnunet(void)
Return default project data used by 'libgnunetutil' for GNUnet.
char * GNUNET_OS_installation_get_path(const struct GNUNET_OS_ProjectData *pd, enum GNUNET_OS_InstallationPathKind dirkind)
Get the path to a specific GNUnet installation directory or, with GNUNET_OS_IPK_SELF_PREFIX,...
@ GNUNET_OS_IPK_LIBDIR
Return the directory where libraries are installed.
@ GNUNET_OS_IPK_PREFIX
Return the "PREFIX" directory given to configure.
enum GNUNET_GenericReturnValue GNUNET_PLUGIN_test(const struct GNUNET_OS_ProjectData *pd, const char *library_name)
Test if a plugin exists.
Definition: plugin.c:172
#define _(String)
GNU gettext support macro.
Definition: platform.h:179
#define EXIT_INVALIDARGUMENT
Definition: platform.h:254
Closure for GNUNET_CONFIGURATION_config_tool_run() with settings for what should be done with the con...
int global_ret
Return value from the operation, to be returned from 'main'.
unsigned int api_version
Must be set to the API version, i.e.
const struct GNUNET_OS_ProjectData * pd
Project data for this configuration object.
Definition of a command line option.
Project-specific data used to help the OS subsystem find installation paths.
const char * user_config_file
Configuration file name to use (if $XDG_CONFIG_HOME is not set).
const char * config_file
Configuration file name (in $XDG_CONFIG_HOME) to use.
const char * version
String identifying the current project version.