mirror of
git://git.gnupg.org/gnupg.git
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0ed6a6df5a
* tools/gpgconf.c (aQuerySWDB): New. (opts): Add --query-swdb. (valid_swdb_name_p): New. (query_swdb): New. (main): Implement command --query-swdb. -- Right now this command is not very useful because dimngr has not yet been changed to create the swdb.lst. For manual tests the swdb.lst file from the Net can be used with these additional lines: .filedate 20161102T130337 .verified 20161102T150000
733 lines
20 KiB
C
733 lines
20 KiB
C
/* gpgconf.c - Configuration utility for GnuPG
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* Copyright (C) 2003, 2007, 2009, 2011 Free Software Foundation, Inc.
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* Copyright (C) 2016 g10 Code GmbH.
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*
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* This file is part of GnuPG.
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*
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* GnuPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* GnuPG is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "gpgconf.h"
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#include "i18n.h"
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#include "sysutils.h"
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#include "../common/init.h"
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/* Constants to identify the commands and options. */
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enum cmd_and_opt_values
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{
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aNull = 0,
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oDryRun = 'n',
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oOutput = 'o',
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oQuiet = 'q',
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oVerbose = 'v',
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oRuntime = 'r',
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oComponent = 'c',
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oNull = '0',
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oNoVerbose = 500,
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oHomedir,
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aListComponents,
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aCheckPrograms,
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aListOptions,
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aChangeOptions,
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aCheckOptions,
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aApplyDefaults,
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aListConfig,
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aCheckConfig,
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aQuerySWDB,
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aListDirs,
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aLaunch,
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aKill,
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aCreateSocketDir,
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aRemoveSocketDir,
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aReload
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};
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/* The list of commands and options. */
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static ARGPARSE_OPTS opts[] =
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{
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{ 300, NULL, 0, N_("@Commands:\n ") },
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{ aListComponents, "list-components", 256, N_("list all components") },
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{ aCheckPrograms, "check-programs", 256, N_("check all programs") },
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{ aListOptions, "list-options", 256, N_("|COMPONENT|list options") },
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{ aChangeOptions, "change-options", 256, N_("|COMPONENT|change options") },
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{ aCheckOptions, "check-options", 256, N_("|COMPONENT|check options") },
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{ aApplyDefaults, "apply-defaults", 256,
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N_("apply global default values") },
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{ aListDirs, "list-dirs", 256,
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N_("get the configuration directories for @GPGCONF@") },
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{ aListConfig, "list-config", 256,
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N_("list global configuration file") },
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{ aCheckConfig, "check-config", 256,
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N_("check global configuration file") },
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{ aQuerySWDB, "query-swdb", 256,
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N_("query the software version database") },
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{ aReload, "reload", 256, N_("reload all or a given component")},
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{ aLaunch, "launch", 256, N_("launch a given component")},
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{ aKill, "kill", 256, N_("kill a given component")},
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{ aCreateSocketDir, "create-socketdir", 256, "@"},
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{ aRemoveSocketDir, "remove-socketdir", 256, "@"},
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{ 301, NULL, 0, N_("@\nOptions:\n ") },
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{ oOutput, "output", 2, N_("use as output file") },
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{ oVerbose, "verbose", 0, N_("verbose") },
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{ oQuiet, "quiet", 0, N_("quiet") },
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{ oDryRun, "dry-run", 0, N_("do not make any changes") },
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{ oRuntime, "runtime", 0, N_("activate changes at runtime, if possible") },
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/* hidden options */
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{ oHomedir, "homedir", 2, "@" },
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{ oNull, "null", 0, "@" },
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{ oNoVerbose, "no-verbose", 0, "@"},
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{0}
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};
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/* Print usage information and and provide strings for help. */
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static const char *
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my_strusage( int level )
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{
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const char *p;
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switch (level)
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{
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case 11: p = "@GPGCONF@ (@GNUPG@)";
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break;
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case 13: p = VERSION; break;
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case 17: p = PRINTABLE_OS_NAME; break;
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case 19: p = _("Please report bugs to <@EMAIL@>.\n"); break;
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case 1:
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case 40: p = _("Usage: @GPGCONF@ [options] (-h for help)");
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break;
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case 41:
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p = _("Syntax: @GPGCONF@ [options]\n"
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"Manage configuration options for tools of the @GNUPG@ system\n");
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break;
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default: p = NULL; break;
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}
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return p;
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}
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/* Return the fp for the output. This is usually stdout unless
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--output has been used. In the latter case this function opens
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that file. */
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static estream_t
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get_outfp (estream_t *fp)
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{
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if (!*fp)
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{
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if (opt.outfile)
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{
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*fp = es_fopen (opt.outfile, "w");
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if (!*fp)
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gc_error (1, errno, "can not open '%s'", opt.outfile);
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}
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else
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*fp = es_stdout;
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}
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return *fp;
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}
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static void
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list_dirs (estream_t fp, char **names)
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{
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static struct {
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const char *name;
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const char *(*fnc)(void);
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const char *extra;
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} list[] = {
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{ "sysconfdir", gnupg_sysconfdir, NULL },
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{ "bindir", gnupg_bindir, NULL },
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{ "libexecdir", gnupg_libexecdir, NULL },
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{ "libdir", gnupg_libdir, NULL },
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{ "datadir", gnupg_datadir, NULL },
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{ "localedir", gnupg_localedir, NULL },
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{ "socketdir", gnupg_socketdir, NULL },
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{ "dirmngr-socket", dirmngr_socket_name, NULL,},
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{ "agent-ssh-socket", gnupg_socketdir, GPG_AGENT_SSH_SOCK_NAME },
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{ "agent-extra-socket", gnupg_socketdir, GPG_AGENT_EXTRA_SOCK_NAME },
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{ "agent-browser-socket",gnupg_socketdir, GPG_AGENT_BROWSER_SOCK_NAME },
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{ "agent-socket", gnupg_socketdir, GPG_AGENT_SOCK_NAME },
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{ "homedir", gnupg_homedir, NULL }
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};
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int idx, j;
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char *tmp;
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const char *s;
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for (idx = 0; idx < DIM (list); idx++)
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{
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s = list[idx].fnc ();
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if (list[idx].extra)
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{
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tmp = make_filename (s, list[idx].extra, NULL);
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s = tmp;
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}
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else
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tmp = NULL;
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if (!names)
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es_fprintf (fp, "%s:%s\n", list[idx].name, gc_percent_escape (s));
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else
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{
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for (j=0; names[j]; j++)
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if (!strcmp (names[j], list[idx].name))
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{
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es_fputs (s, fp);
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es_putc (opt.null? '\0':'\n', fp);
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}
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}
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xfree (tmp);
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}
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}
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/* Check whether NAME is valid argument for query_swdb(). Valid names
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* start with a letter and contain only alphanumeric characters or an
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* underscore. */
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static int
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valid_swdb_name_p (const char *name)
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{
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if (!name || !*name || !alphap (name))
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return 0;
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for (name++; *name; name++)
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if (!alnump (name) && *name != '_')
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return 0;
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return 1;
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}
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/* Query the SWDB file. If necessary and possible this functions asks
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* the dirmngr to load an updated version of that file. The caller
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* needs to provide the NAME to query (e.g. "gnupg", "libgcrypt") and
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* optional the currently installed version in CURRENT_VERSION. The
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* output written to OUT is a colon delimited line with these fields:
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*
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* name :: The name of the package
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* status :: This value tells the status of the software package
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* '-' :: No information available
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* (error or CURRENT_VERSION not given)
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* '?' :: Unknown NAME
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* 'u' :: Update available
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* 'c' :: The version is Current
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* 'n' :: The current version is already Newer than the
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* available one.
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* urgency :: If the value is greater than zero an urgent update is required.
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* error :: 0 on success or an gpg_err_code_t
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* Common codes seen:
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* GPG_ERR_TOO_OLD :: The SWDB file is to old to be used.
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* GPG_ERR_ENOENT :: The SWDB file is not available.
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* GPG_ERR_BAD_SIGNATURE :: Currupted SWDB file.
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* filedate:: Date of the swdb file (yyyymmddThhmmss)
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* verified:: Date we checked the validity of the file (yyyyymmddThhmmss)
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* version :: The version string from the swdb.
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* reldate :: Release date of that version (yyyymmddThhmmss)
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* size :: Size of the package in bytes.
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* hash :: SHA-2 hash of the package.
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*
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*/
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static void
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query_swdb (estream_t out, const char *name, const char *current_version)
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{
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gpg_error_t err;
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const char *search_name;
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char *fname = NULL;
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estream_t fp = NULL;
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char *line = NULL;
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char *self_version = NULL;
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size_t length_of_line = 0;
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size_t maxlen;
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ssize_t len;
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char *fields[2];
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char *p;
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gnupg_isotime_t filedate = {0};
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gnupg_isotime_t verified = {0};
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char *value_ver = NULL;
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gnupg_isotime_t value_date = {0};
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char *value_size = NULL;
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char *value_sha2 = NULL;
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unsigned long value_size_ul;
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int status, i;
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if (!valid_swdb_name_p (name))
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{
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log_error ("error in package name '%s': %s\n",
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name, gpg_strerror (GPG_ERR_INV_NAME));
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goto leave;
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}
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if (!strcmp (name, "gnupg"))
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search_name = "gnupg21";
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else if (!strcmp (name, "gnupg1"))
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search_name = "gnupg1";
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else
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search_name = name;
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if (!current_version && !strcmp (name, "gnupg"))
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{
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/* Use our own version but string a possible beta string. */
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self_version = xstrdup (PACKAGE_VERSION);
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p = strchr (self_version, '-');
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if (p)
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*p = 0;
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current_version = self_version;
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}
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if (current_version && compare_version_strings (current_version, NULL))
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{
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log_error ("error in version string '%s': %s\n",
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current_version, gpg_strerror (GPG_ERR_INV_ARG));
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goto leave;
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}
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fname = make_filename (gnupg_homedir (), "swdb.lst", NULL);
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fp = es_fopen (fname, "r");
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if (!fp)
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{
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err = gpg_error_from_syserror ();
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es_fprintf (out, "%s:-::%u:::::::\n", name, gpg_err_code (err));
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if (gpg_err_code (err) != GPG_ERR_ENOENT)
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log_error (_("error opening '%s': %s\n"), fname, gpg_strerror (err));
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goto leave;
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}
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/* Note that the parser uses the first occurance of a matching
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* values and ignores possible duplicated values. */
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maxlen = 2048; /* Set limit. */
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while ((len = es_read_line (fp, &line, &length_of_line, &maxlen)) > 0)
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{
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if (!maxlen)
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{
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err = gpg_error (GPG_ERR_LINE_TOO_LONG);
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log_error (_("error reading '%s': %s\n"), fname, gpg_strerror (err));
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goto leave;
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}
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/* Strip newline and carriage return, if present. */
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while (len > 0 && (line[len - 1] == '\n' || line[len - 1] == '\r'))
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line[--len] = '\0';
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if (split_fields (line, fields, DIM (fields)) < DIM(fields))
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continue; /* Skip empty lines and names w/o a value. */
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if (*fields[0] == '#')
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continue; /* Skip comments. */
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/* Record the meta data. */
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if (!*filedate && !strcmp (fields[0], ".filedate"))
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{
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string2isotime (filedate, fields[1]);
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continue;
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}
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if (!*verified && !strcmp (fields[0], ".verified"))
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{
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string2isotime (verified, fields[1]);
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continue;
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}
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/* Tokenize the name. */
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p = strrchr (fields[0], '_');
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if (!p)
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continue; /* Name w/o an underscore. */
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*p++ = 0;
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|
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/* Wait for the requested name. */
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if (!strcmp (fields[0], search_name))
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{
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if (!strcmp (p, "ver") && !value_ver)
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value_ver = xstrdup (fields[1]);
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else if (!strcmp (p, "date") && !*value_date)
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string2isotime (value_date, fields[1]);
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else if (!strcmp (p, "size") && !value_size)
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value_size = xstrdup (fields[1]);
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else if (!strcmp (p, "sha2") && !value_sha2)
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value_sha2 = xstrdup (fields[1]);
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}
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}
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if (len < 0 || es_ferror (fp))
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{
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err = gpg_error_from_syserror ();
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log_error (_("error reading '%s': %s\n"), fname, gpg_strerror (err));
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goto leave;
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}
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if (!*filedate || !*verified)
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{
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err = gpg_error (GPG_ERR_INV_TIME);
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es_fprintf (out, "%s:-::%u:::::::\n", name, gpg_err_code (err));
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goto leave;
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}
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if (!value_ver)
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{
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es_fprintf (out, "%s:?:::::::::\n", name);
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goto leave;
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}
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if (value_size)
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{
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gpg_err_set_errno (0);
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value_size_ul = strtoul (value_size, &p, 10);
|
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if (errno)
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value_size_ul = 0;
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else if (*p == 'k')
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value_size_ul *= 1024;
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}
|
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err = 0;
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status = '-';
|
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if (compare_version_strings (value_ver, NULL))
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err = gpg_error (GPG_ERR_INV_VALUE);
|
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else if (!current_version)
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;
|
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else if (!(i = compare_version_strings (value_ver, current_version)))
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status = 'c';
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else if (i > 0)
|
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status = 'u';
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else
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status = 'n';
|
|
|
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es_fprintf (out, "%s:%c::%d:%s:%s:%s:%s:%lu:%s:\n",
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name,
|
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status,
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err,
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filedate,
|
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verified,
|
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value_ver,
|
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value_date,
|
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value_size_ul,
|
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value_sha2? value_sha2 : "");
|
|
|
|
leave:
|
|
xfree (value_ver);
|
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xfree (value_size);
|
|
xfree (value_sha2);
|
|
xfree (line);
|
|
es_fclose (fp);
|
|
xfree (fname);
|
|
xfree (self_version);
|
|
}
|
|
|
|
|
|
/* gpgconf main. */
|
|
int
|
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main (int argc, char **argv)
|
|
{
|
|
ARGPARSE_ARGS pargs;
|
|
const char *fname;
|
|
int no_more_options = 0;
|
|
enum cmd_and_opt_values cmd = 0;
|
|
estream_t outfp = NULL;
|
|
|
|
early_system_init ();
|
|
gnupg_reopen_std (GPGCONF_NAME);
|
|
set_strusage (my_strusage);
|
|
log_set_prefix (GPGCONF_NAME, GPGRT_LOG_WITH_PREFIX);
|
|
|
|
/* Make sure that our subsystems are ready. */
|
|
i18n_init();
|
|
init_common_subsystems (&argc, &argv);
|
|
|
|
/* Parse the command line. */
|
|
pargs.argc = &argc;
|
|
pargs.argv = &argv;
|
|
pargs.flags = 1; /* Do not remove the args. */
|
|
while (!no_more_options && optfile_parse (NULL, NULL, NULL, &pargs, opts))
|
|
{
|
|
switch (pargs.r_opt)
|
|
{
|
|
case oOutput: opt.outfile = pargs.r.ret_str; break;
|
|
case oQuiet: opt.quiet = 1; break;
|
|
case oDryRun: opt.dry_run = 1; break;
|
|
case oRuntime:
|
|
opt.runtime = 1;
|
|
break;
|
|
case oVerbose: opt.verbose++; break;
|
|
case oNoVerbose: opt.verbose = 0; break;
|
|
case oHomedir: gnupg_set_homedir (pargs.r.ret_str); break;
|
|
case oNull: opt.null = 1; break;
|
|
|
|
case aListDirs:
|
|
case aListComponents:
|
|
case aCheckPrograms:
|
|
case aListOptions:
|
|
case aChangeOptions:
|
|
case aCheckOptions:
|
|
case aApplyDefaults:
|
|
case aListConfig:
|
|
case aCheckConfig:
|
|
case aQuerySWDB:
|
|
case aReload:
|
|
case aLaunch:
|
|
case aKill:
|
|
case aCreateSocketDir:
|
|
case aRemoveSocketDir:
|
|
cmd = pargs.r_opt;
|
|
break;
|
|
|
|
default: pargs.err = 2; break;
|
|
}
|
|
}
|
|
|
|
if (log_get_errorcount (0))
|
|
exit (2);
|
|
|
|
/* Print a warning if an argument looks like an option. */
|
|
if (!opt.quiet && !(pargs.flags & ARGPARSE_FLAG_STOP_SEEN))
|
|
{
|
|
int i;
|
|
|
|
for (i=0; i < argc; i++)
|
|
if (argv[i][0] == '-' && argv[i][1] == '-')
|
|
log_info (_("Note: '%s' is not considered an option\n"), argv[i]);
|
|
}
|
|
|
|
fname = argc ? *argv : NULL;
|
|
|
|
switch (cmd)
|
|
{
|
|
case aListComponents:
|
|
default:
|
|
/* List all components. */
|
|
gc_component_list_components (get_outfp (&outfp));
|
|
break;
|
|
|
|
case aCheckPrograms:
|
|
/* Check all programs. */
|
|
gc_check_programs (get_outfp (&outfp));
|
|
break;
|
|
|
|
case aListOptions:
|
|
case aChangeOptions:
|
|
case aCheckOptions:
|
|
if (!fname)
|
|
{
|
|
es_fprintf (es_stderr, _("usage: %s [options] "), GPGCONF_NAME);
|
|
es_putc ('\n', es_stderr);
|
|
es_fputs (_("Need one component argument"), es_stderr);
|
|
es_putc ('\n', es_stderr);
|
|
exit (2);
|
|
}
|
|
else
|
|
{
|
|
int idx = gc_component_find (fname);
|
|
if (idx < 0)
|
|
{
|
|
es_fputs (_("Component not found"), es_stderr);
|
|
es_putc ('\n', es_stderr);
|
|
exit (1);
|
|
}
|
|
if (cmd == aCheckOptions)
|
|
gc_component_check_options (idx, get_outfp (&outfp), NULL);
|
|
else
|
|
{
|
|
gc_component_retrieve_options (idx);
|
|
if (gc_process_gpgconf_conf (NULL, 1, 0, NULL))
|
|
exit (1);
|
|
if (cmd == aListOptions)
|
|
gc_component_list_options (idx, get_outfp (&outfp));
|
|
else if (cmd == aChangeOptions)
|
|
gc_component_change_options (idx, es_stdin, get_outfp (&outfp));
|
|
}
|
|
}
|
|
break;
|
|
|
|
case aLaunch:
|
|
case aKill:
|
|
if (!fname)
|
|
{
|
|
es_fprintf (es_stderr, _("usage: %s [options] "), GPGCONF_NAME);
|
|
es_putc ('\n', es_stderr);
|
|
es_fputs (_("Need one component argument"), es_stderr);
|
|
es_putc ('\n', es_stderr);
|
|
exit (2);
|
|
}
|
|
else
|
|
{
|
|
/* Launch/Kill a given component. */
|
|
int idx;
|
|
|
|
idx = gc_component_find (fname);
|
|
if (idx < 0)
|
|
{
|
|
es_fputs (_("Component not found"), es_stderr);
|
|
es_putc ('\n', es_stderr);
|
|
exit (1);
|
|
}
|
|
else if (cmd == aLaunch)
|
|
{
|
|
if (gc_component_launch (idx))
|
|
exit (1);
|
|
}
|
|
else
|
|
{
|
|
/* We don't error out if the kill failed because this
|
|
command should do nothing if the component is not
|
|
running. */
|
|
gc_component_kill (idx);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case aReload:
|
|
if (!fname)
|
|
{
|
|
/* Reload all. */
|
|
gc_component_reload (-1);
|
|
}
|
|
else
|
|
{
|
|
/* Reload given component. */
|
|
int idx;
|
|
|
|
idx = gc_component_find (fname);
|
|
if (idx < 0)
|
|
{
|
|
es_fputs (_("Component not found"), es_stderr);
|
|
es_putc ('\n', es_stderr);
|
|
exit (1);
|
|
}
|
|
else
|
|
{
|
|
gc_component_reload (idx);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case aListConfig:
|
|
if (gc_process_gpgconf_conf (fname, 0, 0, get_outfp (&outfp)))
|
|
exit (1);
|
|
break;
|
|
|
|
case aCheckConfig:
|
|
if (gc_process_gpgconf_conf (fname, 0, 0, NULL))
|
|
exit (1);
|
|
break;
|
|
|
|
case aApplyDefaults:
|
|
if (fname)
|
|
{
|
|
es_fprintf (es_stderr, _("usage: %s [options] "), GPGCONF_NAME);
|
|
es_putc ('\n', es_stderr);
|
|
es_fputs (_("No argument allowed"), es_stderr);
|
|
es_putc ('\n', es_stderr);
|
|
exit (2);
|
|
}
|
|
gc_component_retrieve_options (-1);
|
|
if (gc_process_gpgconf_conf (NULL, 1, 1, NULL))
|
|
exit (1);
|
|
break;
|
|
|
|
case aListDirs:
|
|
/* Show the system configuration directories for gpgconf. */
|
|
get_outfp (&outfp);
|
|
list_dirs (outfp, argc? argv : NULL);
|
|
break;
|
|
|
|
case aQuerySWDB:
|
|
/* Query the software version database. */
|
|
if (!fname || argc > 2)
|
|
{
|
|
es_fprintf (es_stderr, "usage: %s --query-swdb NAME [VERSION]\n",
|
|
GPGCONF_NAME);
|
|
exit (2);
|
|
}
|
|
get_outfp (&outfp);
|
|
query_swdb (outfp, fname, argc > 1? argv[1] : NULL);
|
|
break;
|
|
|
|
case aCreateSocketDir:
|
|
{
|
|
char *socketdir;
|
|
unsigned int flags;
|
|
|
|
/* Make sure that the top /run/user/UID/gnupg dir has been
|
|
* created. */
|
|
gnupg_socketdir ();
|
|
|
|
/* Check the /var/run dir. */
|
|
socketdir = _gnupg_socketdir_internal (1, &flags);
|
|
if ((flags & 64) && !opt.dry_run)
|
|
{
|
|
/* No sub dir - create it. */
|
|
if (gnupg_mkdir (socketdir, "-rwx"))
|
|
gc_error (1, errno, "error creating '%s'", socketdir);
|
|
/* Try again. */
|
|
socketdir = _gnupg_socketdir_internal (1, &flags);
|
|
}
|
|
|
|
/* Give some info. */
|
|
if ( (flags & ~32) || opt.verbose || opt.dry_run)
|
|
{
|
|
log_info ("socketdir is '%s'\n", socketdir);
|
|
if ((flags & 1)) log_info ("\tgeneral error\n");
|
|
if ((flags & 2)) log_info ("\tno /run/user dir\n");
|
|
if ((flags & 4)) log_info ("\tbad permissions\n");
|
|
if ((flags & 8)) log_info ("\tbad permissions (subdir)\n");
|
|
if ((flags & 16)) log_info ("\tmkdir failed\n");
|
|
if ((flags & 32)) log_info ("\tnon-default homedir\n");
|
|
if ((flags & 64)) log_info ("\tno such subdir\n");
|
|
if ((flags & 128)) log_info ("\tusing homedir as fallback\n");
|
|
}
|
|
|
|
if ((flags & ~32) && !opt.dry_run)
|
|
gc_error (1, 0, "error creating socket directory");
|
|
|
|
xfree (socketdir);
|
|
}
|
|
break;
|
|
|
|
case aRemoveSocketDir:
|
|
{
|
|
char *socketdir;
|
|
unsigned int flags;
|
|
|
|
/* Check the /var/run dir. */
|
|
socketdir = _gnupg_socketdir_internal (1, &flags);
|
|
if ((flags & 128))
|
|
log_info ("ignoring request to remove non /run/user socket dir\n");
|
|
else if (opt.dry_run)
|
|
;
|
|
else if (rmdir (socketdir))
|
|
gc_error (1, errno, "error removing '%s'", socketdir);
|
|
|
|
xfree (socketdir);
|
|
}
|
|
break;
|
|
|
|
}
|
|
|
|
if (outfp != es_stdout)
|
|
if (es_fclose (outfp))
|
|
gc_error (1, errno, "error closing '%s'", opt.outfile);
|
|
|
|
return 0;
|
|
}
|