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-rw-r--r--agent/gpg-agent.c234
1 files changed, 104 insertions, 130 deletions
diff --git a/agent/gpg-agent.c b/agent/gpg-agent.c
index d5fe939db..5599dfd1f 100644
--- a/agent/gpg-agent.c
+++ b/agent/gpg-agent.c
@@ -1,6 +1,7 @@
/* gpg-agent.c - The GnuPG Agent
- * Copyright (C) 2000-2007, 2009-2010 Free Software Foundation, Inc.
- * Copyright (C) 2000-2016 Werner Koch
+ * Copyright (C) 2000-2020 Free Software Foundation, Inc.
+ * Copyright (C) 2000-2019 Werner Koch
+ * Copyright (C) 2015-2020 g10 Code GmbH
*
* This file is part of GnuPG.
*
@@ -16,13 +17,10 @@
*
* 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-or-later
*/
#include <config.h>
-/* We don't want to have the macros from gpgrt here until we have
- * completely replaced this module by the one from gpgrt. */
-#undef GPGRT_ENABLE_ARGPARSE_MACROS
-
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
@@ -55,7 +53,6 @@
#define GNUPG_COMMON_NEED_AFLOCAL
#include "agent.h"
#include <assuan.h> /* Malloc hooks and socket wrappers. */
-#include "../common/argparse.h" /* temporary hack. */
#include "../common/i18n.h"
#include "../common/sysutils.h"
@@ -155,7 +152,7 @@ enum cmd_and_opt_values
#endif
-static ARGPARSE_OPTS opts[] = {
+static gpgrt_opt_t opts[] = {
ARGPARSE_c (aGPGConfList, "gpgconf-list", "@"),
ARGPARSE_c (aGPGConfTest, "gpgconf-test", "@"),
@@ -172,7 +169,7 @@ 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 (oDebug, "debug", "@"),
ARGPARSE_s_n (oDebugAll, "debug-all", "@"),
@@ -182,9 +179,8 @@ static ARGPARSE_OPTS opts[] = {
ARGPARSE_s_n (oDebugPinentry, "debug-pinentry", "@"),
ARGPARSE_s_n (oNoDetach, "no-detach", N_("do not detach from the console")),
- ARGPARSE_s_n (oGrab, "grab", "@"),
- /* FIXME: Add the below string for 2.3 */
- /* N_("let PIN-Entry grab keyboard and mouse")), */
+ ARGPARSE_s_n (oGrab, "grab",
+ /* */ N_("let PIN-Entry grab keyboard and mouse")),
ARGPARSE_s_n (oNoGrab, "no-grab", "@"),
ARGPARSE_s_s (oLogFile, "log-file", N_("use a log file for the server")),
ARGPARSE_s_s (oPinentryProgram, "pinentry-program",
@@ -268,6 +264,8 @@ static ARGPARSE_OPTS opts[] = {
ARGPARSE_s_i (oListenBacklog, "listen-backlog", "@"),
+ ARGPARSE_noconffile (oNoOptions, "no-options", "@"),
+
/* Dummy options for backward compatibility. */
ARGPARSE_o_s (oWriteEnvFile, "write-env-file", "@"),
ARGPARSE_s_n (oUseStandardSocket, "use-standard-socket", "@"),
@@ -400,7 +398,9 @@ static char *default_lc_ctype;
static char *default_lc_messages;
static char *default_xauthority;
-/* Name of a config file, which will be reread on a HUP if it is not NULL. */
+/* Name of a config file which was last read on startup or if missing
+ * the name of the standard config file. Any value here enabled the
+ * rereading of the standard config files on SIGHUP. */
static char *config_filename;
/* Helper to implement --debug-level */
@@ -517,9 +517,11 @@ my_strusage (int level)
switch (level)
{
+ case 9: p = "GPL-3.0-or-later"; break;
case 11: p = "@GPG_AGENT@ (@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
@@ -809,7 +811,7 @@ cleanup (void)
PARGS, resets the options to the default. REREAD should be set
true if it is not the initial option parsing. */
static int
-parse_rereadable_options (ARGPARSE_ARGS *pargs, int reread)
+parse_rereadable_options (gpgrt_argparse_t *pargs, int reread)
{
int i;
@@ -1007,17 +1009,15 @@ initialize_modules (void)
/* The main entry point. */
int
-main (int argc, char **argv )
+main (int argc, char **argv)
{
- ARGPARSE_ARGS pargs;
+ gpgrt_argparse_t pargs;
int orig_argc;
char **orig_argv;
- FILE *configfp = NULL;
- char *configname = NULL;
+ char *last_configname = NULL;
+ const char *configname = NULL;
+ int debug_argparser = 0;
const char *shell;
- unsigned configlineno;
- int parse_debug = 0;
- int default_config =1;
int pipe_server = 0;
int is_daemon = 0;
int nodetach = 0;
@@ -1042,7 +1042,7 @@ main (int argc, char **argv )
#endif /*HAVE_SIGPROCMASK*/
/* Set program name etc. */
- set_strusage (my_strusage);
+ gpgrt_set_strusage (my_strusage);
gcry_control (GCRYCTL_SUSPEND_SECMEM_WARN);
/* Please note that we may running SUID(ROOT), so be very CAREFUL
when adding any stuff between here and the call to INIT_SECMEM()
@@ -1116,80 +1116,68 @@ 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))
- {
- 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)
+ pargs.flags= (ARGPARSE_FLAG_KEEP | ARGPARSE_FLAG_NOVERSION);
+ while (gpgrt_argparse (NULL, &pargs, opts))
+ {
+ switch (pargs.r_opt)
+ {
+ case oDebug:
+ case oDebugAll:
+ debug_argparser++;
+ break;
+
+ case oHomedir:
gnupg_set_homedir (pargs.r.ret_str);
- else if (pargs.r_opt == oDebugQuickRandom)
- {
- gcry_control (GCRYCTL_ENABLE_QUICK_RANDOM, 0);
- }
+ break;
+ case oDebugQuickRandom:
+ gcry_control (GCRYCTL_ENABLE_QUICK_RANDOM, 0);
+ break;
+ }
}
+ /* Reset the flags. */
+ pargs.flags &= ~(ARGPARSE_FLAG_KEEP | ARGPARSE_FLAG_NOVERSION);
/* Initialize the secure memory. */
gcry_control (GCRYCTL_INIT_SECMEM, SECMEM_BUFFER_SIZE, 0);
maybe_setuid = 0;
/*
- Now we are now working under our real uid
- */
+ * Now we are now working under our real uid
+ */
- if (default_config)
- configname = make_filename (gnupg_homedir (),
- GPG_AGENT_NAME EXTSEP_S "conf", NULL);
+ /* The configuraton directories for use by gpgrt_argparser. */
+ gpgrt_set_confdir (GPGRT_CONFDIR_SYS, gnupg_sysconfdir ());
+ gpgrt_set_confdir (GPGRT_CONFDIR_USER, gnupg_homedir ());
argc = orig_argc;
argv = orig_argv;
pargs.argc = &argc;
pargs.argv = &argv;
- pargs.flags= 1; /* do not remove the args */
- next_pass:
- if (configname)
+ /* We are re-using the struct, thus the reset flag. We OR the
+ * flags so that the internal intialized flag won't be cleared. */
+ pargs.flags |= (ARGPARSE_FLAG_RESET
+ | ARGPARSE_FLAG_KEEP
+ | ARGPARSE_FLAG_SYS
+ | ARGPARSE_FLAG_USER);
+
+ while (gpgrt_argparser (&pargs, opts, GPG_AGENT_NAME EXTSEP_S "conf"))
{
- configlineno = 0;
- configfp = 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 );
- /* Save the default conf file name so that
- reread_configuration is able to test whether the
- config file has been created in the meantime. */
- xfree (config_filename);
- config_filename = configname;
- configname = NULL;
- }
+ 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)
@@ -1201,18 +1189,8 @@ 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: /* Dummy option. */ break;
case oNoVerbose: opt.verbose = 0; break;
- case oNoOptions: break; /* no-options */
case oHomedir: gnupg_set_homedir (pargs.r.ret_str); break;
case oNoDetach: nodetach = 1; break;
case oLogFile: logfile = pargs.r.ret_str; break;
@@ -1233,7 +1211,7 @@ main (int argc, char **argv )
case oUseStandardSocket:
case oNoUseStandardSocket:
- obsolete_option (configname, configlineno, "use-standard-socket");
+ obsolete_option (configname, pargs.lineno, "use-standard-socket");
break;
case oFakedSystemTime:
@@ -1285,28 +1263,30 @@ main (int argc, char **argv )
break;
case oWriteEnvFile:
- obsolete_option (configname, configlineno, "write-env-file");
+ obsolete_option (configname, pargs.lineno, "write-env-file");
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)
+
+ gpgrt_argparse (NULL, &pargs, NULL); /* Release internal state. */
+
+ if (!last_configname)
+ config_filename = gpgrt_fnameconcat (gnupg_homedir (),
+ GPG_AGENT_NAME EXTSEP_S "conf",
+ NULL);
+ else
{
- fclose( configfp );
- configfp = NULL;
- /* Keep a copy of the name so that it can be read on SIGHUP. */
- if (config_filename != configname)
- {
- xfree (config_filename);
- config_filename = configname;
- }
- configname = NULL;
- goto next_pass;
+ config_filename = last_configname;
+ last_configname = NULL;
}
- xfree (configname);
- configname = NULL;
if (log_get_errorcount(0))
exit(2);
@@ -1402,18 +1382,14 @@ main (int argc, char **argv )
agent_exit (0);
else if (gpgconf_list)
{
- char *filename;
char *filename_esc;
/* List options and default values in the GPG Conf format. */
- filename = make_filename (gnupg_homedir (),
- GPG_AGENT_NAME EXTSEP_S "conf", NULL);
- filename_esc = percent_escape (filename, NULL);
+ filename_esc = percent_escape (config_filename, NULL);
es_printf ("%s-%s.conf:%lu:\"%s\n",
GPGCONF_NAME, GPG_AGENT_NAME,
GC_OPT_FLAG_DEFAULT, filename_esc);
- xfree (filename);
xfree (filename_esc);
es_printf ("verbose:%lu:\n"
@@ -1532,7 +1508,7 @@ main (int argc, char **argv )
log_set_prefix (NULL, 0);
log_info ("%s %s starting in supervised mode.\n",
- strusage(11), strusage(13) );
+ gpgrt_strusage(11), gpgrt_strusage(13) );
/* See below in "regular server mode" on why we remove certain
* envvars. */
@@ -1812,7 +1788,7 @@ main (int argc, char **argv )
exit (1);
}
- log_info ("%s %s started\n", strusage(11), strusage(13) );
+ log_info ("%s %s started\n", gpgrt_strusage(11), gpgrt_strusage(13) );
handle_connections (fd, fd_extra, fd_browser, fd_ssh);
assuan_sock_close (fd);
}
@@ -2039,36 +2015,34 @@ agent_copy_startup_env (ctrl_t ctrl)
static void
reread_configuration (void)
{
- ARGPARSE_ARGS pargs;
- FILE *fp;
- unsigned int configlineno = 0;
+ gpgrt_argparse_t pargs;
int dummy;
if (!config_filename)
return; /* No config file. */
- fp = fopen (config_filename, "r");
- if (!fp)
- {
- log_info (_("option file '%s': %s\n"),
- config_filename, strerror(errno) );
- return;
- }
-
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, config_filename, &configlineno, &pargs, opts) )
+ pargs.flags = (ARGPARSE_FLAG_KEEP
+ |ARGPARSE_FLAG_SYS
+ |ARGPARSE_FLAG_USER);
+ while (gpgrt_argparser (&pargs, opts, GPG_AGENT_NAME EXTSEP_S "conf") )
{
- 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);
+ gpgrt_argparse (NULL, &pargs, NULL); /* Release internal state. */
+
finalize_rereadable_options ();
set_debug ();
}
@@ -2401,7 +2375,7 @@ handle_tick (void)
{
shutdown_pending = 2;
log_info ("parent process died - shutting down\n");
- log_info ("%s %s stopped\n", strusage(11), strusage(13) );
+ log_info ("%s %s stopped\n", gpgrt_strusage(11), gpgrt_strusage(13));
cleanup ();
agent_exit (0);
}
@@ -2499,7 +2473,7 @@ handle_signal (int signo)
if (shutdown_pending > 2)
{
log_info ("shutdown forced\n");
- log_info ("%s %s stopped\n", strusage(11), strusage(13) );
+ log_info ("%s %s stopped\n", gpgrt_strusage(11), gpgrt_strusage(13));
cleanup ();
agent_exit (0);
}
@@ -2507,7 +2481,7 @@ handle_signal (int signo)
case SIGINT:
log_info ("SIGINT received - immediate shutdown\n");
- log_info( "%s %s stopped\n", strusage(11), strusage(13));
+ log_info( "%s %s stopped\n", gpgrt_strusage(11), gpgrt_strusage(13));
cleanup ();
agent_exit (0);
break;
@@ -3127,7 +3101,7 @@ handle_connections (gnupg_fd_t listen_fd,
if (home_inotify_fd != -1)
close (home_inotify_fd);
cleanup ();
- log_info (_("%s %s stopped\n"), strusage(11), strusage(13));
+ log_info (_("%s %s stopped\n"), gpgrt_strusage(11), gpgrt_strusage(13));
npth_attr_destroy (&tattr);
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-27 04:27:54 +0000