mirror of
git://git.gnupg.org/gnupg.git
synced 2024-12-22 10:19:57 +01:00
cdbe10b762
* tests/gpgscm/main.c: Switch to the new option parser. * common/argparse.c, common/argparse.h: Remove. * common/init.c (_init_common_subsystems): Do not call obsolete func. * common/Makefile.am (common_sources): Remove those files. Signed-off-by: Werner Koch <wk@gnupg.org>
361 lines
8.1 KiB
C
361 lines
8.1 KiB
C
/* TinyScheme-based test driver.
|
||
*
|
||
* Copyright (C) 2016 g10 code GmbH
|
||
*
|
||
* This file is part of GnuPG.
|
||
*
|
||
* GnuPG is free software; you can redistribute it and/or modify
|
||
* it under the terms of the GNU General Public License as published by
|
||
* the Free Software Foundation; either version 3 of the License, or
|
||
* (at your option) any later version.
|
||
*
|
||
* GnuPG is distributed in the hope that it will be useful,
|
||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
* GNU General Public License for more details.
|
||
*
|
||
* 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>
|
||
|
||
#include <assert.h>
|
||
#include <ctype.h>
|
||
#include <errno.h>
|
||
#include <fcntl.h>
|
||
#include <gcrypt.h>
|
||
#include <gpg-error.h>
|
||
#include <stdio.h>
|
||
#include <stdlib.h>
|
||
#include <string.h>
|
||
#include <sys/types.h>
|
||
#include <sys/stat.h>
|
||
#include <unistd.h>
|
||
|
||
#if HAVE_MMAP
|
||
#include <sys/mman.h>
|
||
#endif
|
||
|
||
#include "private.h"
|
||
#include "scheme.h"
|
||
#include "scheme-private.h"
|
||
#include "ffi.h"
|
||
#include "../common/i18n.h"
|
||
#include "../../common/init.h"
|
||
#include "../../common/logging.h"
|
||
#include "../../common/strlist.h"
|
||
#include "../../common/sysutils.h"
|
||
#include "../../common/util.h"
|
||
|
||
/* The TinyScheme banner. Unfortunately, it isn't in the header
|
||
file. */
|
||
#define ts_banner "TinyScheme 1.41"
|
||
|
||
int verbose;
|
||
|
||
|
||
|
||
/* Constants to identify the commands and options. */
|
||
enum cmd_and_opt_values
|
||
{
|
||
aNull = 0,
|
||
oVerbose = 'v',
|
||
};
|
||
|
||
/* The list of commands and options. */
|
||
static gpgrt_opt_t opts[] =
|
||
{
|
||
ARGPARSE_s_n (oVerbose, "verbose", N_("verbose")),
|
||
ARGPARSE_end (),
|
||
};
|
||
|
||
char *scmpath = "";
|
||
size_t scmpath_len = 0;
|
||
|
||
/* Command line parsing. */
|
||
static void
|
||
parse_arguments (gpgrt_argparse_t *pargs, gpgrt_opt_t *popts)
|
||
{
|
||
while (gpgrt_argparse (NULL, pargs, popts))
|
||
{
|
||
switch (pargs->r_opt)
|
||
{
|
||
case oVerbose:
|
||
verbose++;
|
||
break;
|
||
|
||
default:
|
||
pargs->err = ARGPARSE_PRINT_ERROR;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Print usage information and provide strings for help. */
|
||
static const char *
|
||
my_strusage( int level )
|
||
{
|
||
const char *p;
|
||
|
||
switch (level)
|
||
{
|
||
case 9: p = "GPL-3.0-or-later"; break;
|
||
case 11: p = "gpgscm (@GNUPG@)";
|
||
break;
|
||
case 13: p = VERSION; break;
|
||
case 14: p = GNUPG_DEF_COPYRIGHT_LINE; break;
|
||
case 17: p = PRINTABLE_OS_NAME; break;
|
||
case 19: p = _("Please report bugs to <@EMAIL@>.\n"); break;
|
||
|
||
case 1:
|
||
case 40:
|
||
p = _("Usage: gpgscm [options] [file] (-h for help)");
|
||
break;
|
||
case 41:
|
||
p = _("Syntax: gpgscm [options] [file]\n"
|
||
"Execute the given Scheme program, or spawn interactive shell.\n");
|
||
break;
|
||
|
||
default: p = NULL; break;
|
||
}
|
||
return p;
|
||
}
|
||
|
||
|
||
|
||
static int
|
||
path_absolute_p (const char *p)
|
||
{
|
||
#if _WIN32
|
||
return ((strlen (p) > 2 && p[1] == ':' && (p[2] == '\\' || p[2] == '/'))
|
||
|| p[0] == '\\' || p[0] == '/');
|
||
#else
|
||
return p[0] == '/';
|
||
#endif
|
||
}
|
||
|
||
|
||
/* Load the Scheme program from FILE_NAME. If FILE_NAME is not an
|
||
absolute path, and LOOKUP_IN_PATH is given, then it is qualified
|
||
with the values in scmpath until the file is found. */
|
||
static gpg_error_t
|
||
load (scheme *sc, char *file_name,
|
||
int lookup_in_cwd, int lookup_in_path)
|
||
{
|
||
gpg_error_t err = 0;
|
||
size_t n;
|
||
const char *directory;
|
||
char *qualified_name = file_name;
|
||
int use_path;
|
||
FILE *h = NULL;
|
||
|
||
use_path =
|
||
lookup_in_path && ! (path_absolute_p (file_name) || scmpath_len == 0);
|
||
|
||
if (path_absolute_p (file_name) || lookup_in_cwd || scmpath_len == 0)
|
||
{
|
||
h = fopen (file_name, "r");
|
||
if (! h)
|
||
err = gpg_error_from_syserror ();
|
||
}
|
||
|
||
if (h == NULL && use_path)
|
||
for (directory = scmpath, n = scmpath_len; n;
|
||
directory += strlen (directory) + 1, n--)
|
||
{
|
||
if (asprintf (&qualified_name, "%s/%s", directory, file_name) < 0)
|
||
return gpg_error_from_syserror ();
|
||
|
||
h = fopen (qualified_name, "r");
|
||
if (h)
|
||
{
|
||
err = 0;
|
||
break;
|
||
}
|
||
|
||
if (n > 1)
|
||
{
|
||
free (qualified_name);
|
||
continue; /* Try again! */
|
||
}
|
||
|
||
err = gpg_error_from_syserror ();
|
||
}
|
||
|
||
if (h == NULL)
|
||
{
|
||
/* Failed and no more elements in scmpath to try. */
|
||
fprintf (stderr, "Could not read %s: %s.\n",
|
||
qualified_name, gpg_strerror (err));
|
||
if (lookup_in_path)
|
||
fprintf (stderr,
|
||
"Consider using GPGSCM_PATH to specify the location "
|
||
"of the Scheme library.\n");
|
||
goto leave;
|
||
}
|
||
if (verbose > 2)
|
||
fprintf (stderr, "Loading %s...\n", qualified_name);
|
||
|
||
#if HAVE_MMAP
|
||
/* Always try to mmap the file. This allows the pages to be shared
|
||
* between processes. If anything fails, we fall back to using
|
||
* buffered streams. */
|
||
if (1)
|
||
{
|
||
struct stat st;
|
||
void *map;
|
||
size_t len;
|
||
int fd = fileno (h);
|
||
|
||
if (fd < 0)
|
||
goto fallback;
|
||
|
||
if (fstat (fd, &st))
|
||
goto fallback;
|
||
|
||
len = (size_t) st.st_size;
|
||
if ((off_t) len != st.st_size)
|
||
goto fallback; /* Truncated. */
|
||
|
||
map = mmap (NULL, len, PROT_READ, MAP_SHARED, fd, 0);
|
||
if (map == MAP_FAILED)
|
||
goto fallback;
|
||
|
||
scheme_load_memory (sc, map, len, qualified_name);
|
||
munmap (map, len);
|
||
}
|
||
else
|
||
fallback:
|
||
#endif
|
||
scheme_load_named_file (sc, h, qualified_name);
|
||
fclose (h);
|
||
|
||
if (sc->retcode && sc->nesting)
|
||
{
|
||
fprintf (stderr, "%s: Unbalanced parenthesis\n", qualified_name);
|
||
err = gpg_error (GPG_ERR_GENERAL);
|
||
}
|
||
|
||
leave:
|
||
if (file_name != qualified_name)
|
||
free (qualified_name);
|
||
return err;
|
||
}
|
||
|
||
|
||
|
||
int
|
||
main (int argc, char **argv)
|
||
{
|
||
int retcode;
|
||
gpg_error_t err;
|
||
char *argv0;
|
||
gpgrt_argparse_t pargs;
|
||
scheme *sc;
|
||
char *p;
|
||
#if _WIN32
|
||
char pathsep = ';';
|
||
#else
|
||
char pathsep = ':';
|
||
#endif
|
||
char *script = NULL;
|
||
|
||
/* Save argv[0] so that we can re-exec. */
|
||
argv0 = argv[0];
|
||
|
||
/* Parse path. */
|
||
if (getenv ("GPGSCM_PATH"))
|
||
scmpath = getenv ("GPGSCM_PATH");
|
||
|
||
p = scmpath = strdup (scmpath);
|
||
if (p == NULL)
|
||
return 2;
|
||
|
||
if (*p)
|
||
scmpath_len++;
|
||
for (; *p; p++)
|
||
if (*p == pathsep)
|
||
*p = 0, scmpath_len++;
|
||
|
||
gpgrt_set_strusage (my_strusage);
|
||
log_set_prefix ("gpgscm", GPGRT_LOG_WITH_PREFIX);
|
||
|
||
/* Make sure that our subsystems are ready. */
|
||
i18n_init ();
|
||
init_common_subsystems (&argc, &argv);
|
||
|
||
if (!gcry_check_version (NEED_LIBGCRYPT_VERSION))
|
||
{
|
||
fputs ("libgcrypt version mismatch\n", stderr);
|
||
exit (2);
|
||
}
|
||
|
||
/* Parse the command line. */
|
||
pargs.argc = &argc;
|
||
pargs.argv = &argv;
|
||
pargs.flags = 0;
|
||
parse_arguments (&pargs, opts);
|
||
gpgrt_argparse (NULL, &pargs, NULL);
|
||
|
||
if (log_get_errorcount (0))
|
||
exit (2);
|
||
|
||
sc = scheme_init_new_custom_alloc (gcry_malloc, gcry_free);
|
||
if (! sc) {
|
||
fprintf (stderr, "Could not initialize TinyScheme!\n");
|
||
return 2;
|
||
}
|
||
scheme_set_input_port_file (sc, stdin);
|
||
scheme_set_output_port_file (sc, stderr);
|
||
|
||
if (argc)
|
||
{
|
||
script = argv[0];
|
||
argc--, argv++;
|
||
}
|
||
|
||
err = load (sc, "init.scm", 0, 1);
|
||
if (! err)
|
||
err = load (sc, "ffi.scm", 0, 1);
|
||
if (! err)
|
||
err = ffi_init (sc, argv0, script ? script : "interactive",
|
||
argc, (const char **) argv);
|
||
if (! err)
|
||
err = load (sc, "lib.scm", 0, 1);
|
||
if (! err)
|
||
err = load (sc, "repl.scm", 0, 1);
|
||
if (! err)
|
||
err = load (sc, "xml.scm", 0, 1);
|
||
if (! err)
|
||
err = load (sc, "tests.scm", 0, 1);
|
||
if (! err)
|
||
err = load (sc, "gnupg.scm", 0, 1);
|
||
if (err)
|
||
{
|
||
fprintf (stderr, "Error initializing gpgscm: %s.\n",
|
||
gpg_strerror (err));
|
||
exit (2);
|
||
}
|
||
|
||
if (script == NULL)
|
||
{
|
||
/* Interactive shell. */
|
||
fprintf (stderr, "gpgscm/"ts_banner".\n");
|
||
scheme_load_string (sc, "(interactive-repl)");
|
||
}
|
||
else
|
||
{
|
||
err = load (sc, script, 1, 1);
|
||
if (err)
|
||
log_fatal ("%s: %s", script, gpg_strerror (err));
|
||
}
|
||
|
||
retcode = sc->retcode;
|
||
scheme_load_string (sc, "(*run-atexit-handlers*)");
|
||
scheme_deinit (sc);
|
||
xfree (sc);
|
||
return retcode;
|
||
}
|