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Backport of the new option parser from 2.3

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* configure.ac (GPGRT_ENABLE_ARGPARSE_MACROS): Define.
* common/argparse.c, common/argparse.h: Rewrite.
* tests/gpgscm/main.c: Switch to the new option parser.

* g10/gpg.c: Switch to the new option parser and enable a global conf
file.
* g10/gpgv.c: Ditto.
* agent/gpg-agent.c: Ditto.
* agent/preset-passphrase.c: Ditto.
* agent/protect-tool.c: Ditto.
* scd/scdaemon.c: Ditto.
* dirmngr/dirmngr.c: Ditto.
* dirmngr/dirmngr_ldap.c: Ditto
* dirmngr/dirmngr-client.c: Ditto.
* kbx/kbxutil.c: Ditto.
* tools/gpg-card.c: Ditto.
* tools/gpg-check-pattern.c: Ditto.
* tools/gpg-connect-agent.c: Ditto.
* tools/gpg-pair-tool.c: Ditto.
* tools/gpg-wks-client.c: Ditto.
* tools/gpg-wks-server.c: Ditto.
* tools/gpgconf.c: Ditto.
* tools/gpgsplit.c: Ditto.
* tools/gpgtar.c: Ditto.
* g13/g13.c: Ditto.
* g13/g13-syshelp.c: Ditto.  Do not force verbose mode.
* sm/gpgsm.c: Ditto. Add option --no-options.
--

This is backport from master

commit cdbe10b762
commit ba463128ce
commit 3bc004decd
commit 2c823bd878
commit 0e8f6e2aa9

but without changing all functions names to gpgrt.  Instead we use
wrapper functions which, when building against old Libgpg-error
versions, are implemented in argparse.c using code from the current
libgpg-error.  This allows to keep the dependency requirement at
libgpg-error 1.27 to support older distributions.  Tested builds
against 1.27 and 1.40-beta.

Note that g13-syshelp does not anymore default to --verbose because
that can now be enabled in /etc/gnupg/g13-syshelp.conf.

GnuPG-bug-id: 4788
Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2020-12-04 11:51:48 +01:00
parent 7d7a50ba72
commit a028f24136
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
25 changed files with 2590 additions and 1463 deletions
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174
dirmngr/dirmngr.c
View file

@ -1,6 +1,6 @@
/* dirmngr.c - Keyserver and X.509 LDAP access
* Copyright (C) 2002 Klarälvdalens Datakonsult AB
* Copyright (C) 2003, 2004, 2006, 2007, 2008, 2010, 2011 g10 Code GmbH
* Copyright (C) 2003, 2004, 2006, 2007, 2008, 2010, 2011, 2020 g10 Code GmbH
* Copyright (C) 2014 Werner Koch
*
* This file is part of GnuPG.
@ -17,8 +17,7 @@
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: GPL-3.0+
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#include <config.h>
@ -183,7 +182,7 @@ static ARGPARSE_OPTS opts[] = {
ARGPARSE_s_n (oQuiet, "quiet", N_("be somewhat more quiet")),
ARGPARSE_s_n (oSh, "sh", N_("sh-style command output")),
ARGPARSE_s_n (oCsh, "csh", N_("csh-style command output")),
ARGPARSE_s_s (oOptions, "options", N_("|FILE|read options from FILE")),
ARGPARSE_conffile (oOptions, "options", N_("|FILE|read options from FILE")),
ARGPARSE_s_s (oDebugLevel, "debug-level",
N_("|LEVEL|set the debugging level to LEVEL")),
ARGPARSE_s_n (oNoDetach, "no-detach", N_("do not detach from the console")),
@ -261,6 +260,7 @@ static ARGPARSE_OPTS opts[] = {
ARGPARSE_s_i (oConnectTimeout, "connect-timeout", "@"),
ARGPARSE_s_i (oConnectQuickTimeout, "connect-quick-timeout", "@"),
ARGPARSE_s_i (oListenBacklog, "listen-backlog", "@"),
ARGPARSE_noconffile (oNoOptions, "no-options", "@"),
ARGPARSE_group (302,N_("@\n(See the \"info\" manual for a complete listing "
"of all commands and options)\n")),
@ -392,9 +392,11 @@ my_strusage( int level )
const char *p;
switch ( level )
{
case 9: p = "GPL-3.0-or-later"; break;
case 11: p = "@DIRMNGR@ (@GNUPG@)";
break;
case 13: p = VERSION; break;
case 14: p = GNUPG_DEF_COPYRIGHT_LINE; break;
case 17: p = PRINTABLE_OS_NAME; break;
/* TRANSLATORS: @EMAIL@ will get replaced by the actual bug
reporting address. This is so that we can change the
@ -828,12 +830,10 @@ main (int argc, char **argv)
ARGPARSE_ARGS pargs;
int orig_argc;
char **orig_argv;
FILE *configfp = NULL;
char *configname = NULL;
char *last_configname = NULL;
const char *configname = NULL;
const char *shell;
unsigned configlineno;
int parse_debug = 0;
int default_config =1;
int debug_argparser = 0;
int greeting = 0;
int nogreeting = 0;
int nodetach = 0;
@ -915,63 +915,56 @@ main (int argc, char **argv)
orig_argv = argv;
pargs.argc = &argc;
pargs.argv = &argv;
pargs.flags= 1|(1<<6); /* do not remove the args, ignore version */
while (arg_parse( &pargs, opts))
pargs.flags= (ARGPARSE_FLAG_KEEP | ARGPARSE_FLAG_NOVERSION);
while (gnupg_argparse (NULL, &pargs, opts))
{
if (pargs.r_opt == oDebug || pargs.r_opt == oDebugAll)
parse_debug++;
else if (pargs.r_opt == oOptions)
{ /* Yes there is one, so we do not try the default one, but
read the option file when it is encountered at the
commandline */
default_config = 0;
}
else if (pargs.r_opt == oNoOptions)
default_config = 0; /* --no-options */
else if (pargs.r_opt == oHomedir)
switch (pargs.r_opt)
{
case oDebug:
case oDebugAll:
debug_argparser++;
break;
case oHomedir:
gnupg_set_homedir (pargs.r.ret_str);
break;
}
}
/* Reset the flags. */
pargs.flags &= ~(ARGPARSE_FLAG_KEEP | ARGPARSE_FLAG_NOVERSION);
socket_name = dirmngr_socket_name ();
if (default_config)
configname = make_filename (gnupg_homedir (), DIRMNGR_NAME".conf", NULL );
/* The configuraton directories for use by gpgrt_argparser. */
gnupg_set_confdir (GNUPG_CONFDIR_SYS, gnupg_sysconfdir ());
gnupg_set_confdir (GNUPG_CONFDIR_USER, gnupg_homedir ());
/* We are re-using the struct, thus the reset flag. We OR the
* flags so that the internal intialized flag won't be cleared. */
argc = orig_argc;
argv = orig_argv;
pargs.argc = &argc;
pargs.argv = &argv;
pargs.flags= 1; /* do not remove the args */
next_pass:
if (configname)
pargs.flags |= (ARGPARSE_FLAG_RESET
| ARGPARSE_FLAG_KEEP
| ARGPARSE_FLAG_SYS
| ARGPARSE_FLAG_USER);
while (gnupg_argparser (&pargs, opts, DIRMNGR_NAME EXTSEP_S "conf"))
{
configlineno = 0;
configfp = gnupg_fopen (configname, "r");
if (!configfp)
if (pargs.r_opt == ARGPARSE_CONFFILE)
{
if (default_config)
if (debug_argparser)
log_info (_("reading options from '%s'\n"),
pargs.r_type? pargs.r.ret_str: "[cmdline]");
if (pargs.r_type)
{
if( parse_debug )
log_info (_("Note: no default option file '%s'\n"),
configname );
}
xfree (last_configname);
last_configname = xstrdup (pargs.r.ret_str);
configname = last_configname;
}
else
{
log_error (_("option file '%s': %s\n"),
configname, strerror(errno) );
exit(2);
}
xfree (configname);
configname = NULL;
}
if (parse_debug && configname )
log_info (_("reading options from '%s'\n"), configname );
default_config = 0;
}
while (optfile_parse( configfp, configname, &configlineno, &pargs, opts) )
{
configname = NULL;
continue;
}
if (parse_rereadable_options (&pargs, 0))
continue; /* Already handled */
switch (pargs.r_opt)
@ -996,18 +989,8 @@ main (int argc, char **argv)
case oDebugWait: debug_wait = pargs.r.ret_int; break;
case oOptions:
/* Config files may not be nested (silently ignore them) */
if (!configfp)
{
xfree(configname);
configname = xstrdup(pargs.r.ret_str);
goto next_pass;
}
break;
case oNoGreeting: nogreeting = 1; break;
case oNoVerbose: opt.verbose = 0; break;
case oNoOptions: break; /* no-options */
case oHomedir: /* Ignore this option here. */; break;
case oNoDetach: nodetach = 1; break;
case oLogFile: logfile = pargs.r.ret_str; break;
@ -1035,20 +1018,26 @@ main (int argc, char **argv)
listen_backlog = pargs.r.ret_int;
break;
default : pargs.err = configfp? 1:2; break;
default:
if (configname)
pargs.err = ARGPARSE_PRINT_WARNING;
else
pargs.err = ARGPARSE_PRINT_ERROR;
break;
}
}
if (configfp)
gnupg_argparse (NULL, &pargs, NULL); /* Release internal state. */
if (!last_configname)
opt.config_filename = make_filename (gnupg_homedir (),
DIRMNGR_NAME EXTSEP_S "conf",
NULL);
else
{
fclose (configfp);
configfp = NULL;
/* Keep a copy of the name so that it can be read on SIGHUP. */
opt.config_filename = configname;
configname = NULL;
goto next_pass;
opt.config_filename = last_configname;
last_configname = NULL;
}
xfree (configname);
configname = NULL;
if (log_get_errorcount(0))
exit(2);
if (nogreeting )
@ -1479,17 +1468,6 @@ main (int argc, char **argv)
char *filename;
char *filename_esc;
/* First the configuration file. This is not an option, but it
is vital information for GPG Conf. */
if (!opt.config_filename)
opt.config_filename = make_filename (gnupg_homedir (),
"dirmngr.conf", NULL );
filename = percent_escape (opt.config_filename, NULL);
es_printf ("gpgconf-dirmngr.conf:%lu:\"%s\n",
GC_OPT_FLAG_DEFAULT, filename);
xfree (filename);
es_printf ("verbose:%lu:\n", flags | GC_OPT_FLAG_NONE);
es_printf ("quiet:%lu:\n", flags | GC_OPT_FLAG_NONE);
es_printf ("debug-level:%lu:\"none\n", flags | GC_OPT_FLAG_DEFAULT);
@ -1543,7 +1521,6 @@ main (int argc, char **argv)
filename_esc);
xfree (filename_esc);
es_printf ("nameserver:%lu:\n", flags | GC_OPT_FLAG_NONE);
es_printf ("resolver-timeout:%lu:%u\n",
flags | GC_OPT_FLAG_DEFAULT, 0);
@ -1833,36 +1810,39 @@ static void
reread_configuration (void)
{
ARGPARSE_ARGS pargs;
FILE *fp;
unsigned int configlineno = 0;
char *twopart;
int dummy;
if (!opt.config_filename)
return; /* No config file. */
fp = gnupg_fopen (opt.config_filename, "r");
if (!fp)
{
log_error (_("option file '%s': %s\n"),
opt.config_filename, strerror(errno) );
return;
}
twopart = strconcat (DIRMNGR_NAME EXTSEP_S "conf" PATHSEP_S,
opt.config_filename, NULL);
if (!twopart)
return; /* Out of core. */
parse_rereadable_options (NULL, 1); /* Start from the default values. */
memset (&pargs, 0, sizeof pargs);
dummy = 0;
pargs.argc = &dummy;
pargs.flags = 1; /* do not remove the args */
while (optfile_parse (fp, opt.config_filename, &configlineno, &pargs, opts) )
pargs.flags = (ARGPARSE_FLAG_KEEP
|ARGPARSE_FLAG_SYS
|ARGPARSE_FLAG_USER);
while (gnupg_argparser (&pargs, opts, twopart))
{
if (pargs.r_opt < -1)
pargs.err = 1; /* Print a warning. */
if (pargs.r_opt == ARGPARSE_CONFFILE)
{
log_info (_("reading options from '%s'\n"),
pargs.r_type? pargs.r.ret_str: "[cmdline]");
}
else if (pargs.r_opt < -1)
pargs.err = ARGPARSE_PRINT_WARNING;
else /* Try to parse this option - ignore unchangeable ones. */
parse_rereadable_options (&pargs, 1);
}
fclose (fp);
gnupg_argparse (NULL, &pargs, NULL); /* Release internal state. */
xfree (twopart);
post_option_parsing ();
}