154 lines
3.5 KiB
C
154 lines
3.5 KiB
C
/* show-group-options.c - Example code to retrieve the group option.
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Copyright (C) 2008 g10 Code GmbH
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This file is part of GPGME.
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GPGME is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of
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the License, or (at your option) any later version.
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GPGME is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this program; if not, see <https://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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#include <locale.h>
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#include <gpgme.h>
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#define fail_if_err(err) \
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do \
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{ \
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if (err) \
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{ \
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fprintf (stderr, "%s:%d: gpgme_error_t %s\n", \
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__FILE__, __LINE__, gpgme_strerror (err)); \
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exit (1); \
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} \
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} \
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while (0)
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static void
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print_one_alias (const char *string)
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{
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const char *value, *s;
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size_t namelen;
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int first = 1;
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int any = 0;
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while (isascii (*string) && isspace (*string))
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string++;
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value = strchr (string, '=');
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if (value)
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{
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for (s=value-1; s > string ; s--)
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if (!isascii (*s) || !isspace (*s))
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break;
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}
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if (!value || s == value )
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{
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printf ("# error: invalid group definition!\n");
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return;
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}
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value++;
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namelen = (s + 1 - string);
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printf ("%.*s: ", (int)namelen, string);
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for (;;)
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{
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while (isascii (*value) && isspace (*value))
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value++;
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if (!*value)
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break;
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for (s = value; *s && !(isascii (*s) && isspace (*s)); s++)
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;
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printf ("%s%*s%.*s",
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first? "":",\n",
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any? (int)namelen+2:0, "",
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(int)(s-value), value);
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first = 0;
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any = 1;
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value = s;
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}
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putchar ('\n');
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}
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static void
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print_gpgconf_string (const char *cname, const char *name)
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{
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gpg_error_t err;
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gpgme_ctx_t ctx;
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gpgme_conf_comp_t conf_list, conf;
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gpgme_conf_opt_t opt;
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gpgme_conf_arg_t value;
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err = gpgme_new (&ctx);
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fail_if_err (err);
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err = gpgme_op_conf_load (ctx, &conf_list);
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fail_if_err (err);
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for (conf = conf_list; conf; conf = conf->next)
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{
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if ( !strcmp (conf->name, cname) )
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{
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for (opt = conf->options; opt; opt = opt->next)
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if ( !(opt->flags & GPGME_CONF_GROUP)
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&& !strcmp (opt->name, name))
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{
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for (value = opt->value; value; value = value->next)
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{
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if (opt->type == GPGME_CONF_ALIAS_LIST)
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print_one_alias (value->value.string);
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}
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break;
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}
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break;
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}
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}
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gpgme_conf_release (conf_list);
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gpgme_release (ctx);
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}
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int
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main (int argc, char **argv )
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{
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gpgme_check_version (NULL);
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setlocale (LC_ALL, "");
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gpgme_set_locale (NULL, LC_CTYPE, setlocale (LC_CTYPE, NULL));
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#ifndef HAVE_W32_SYSTEM
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gpgme_set_locale (NULL, LC_MESSAGES, setlocale (LC_MESSAGES, NULL));
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#endif
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print_gpgconf_string ("gpg", "group");
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return 0;
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}
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/*
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Local Variables:
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compile-command: "cc -o show-group-options show-group-options.c -lgpgme"
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End:
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*/
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