diff options
Diffstat (limited to 'common/asshelp.c')
| -rw-r--r-- | common/asshelp.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/common/asshelp.c b/common/asshelp.c new file mode 100644 index 000000000..23feca507 --- /dev/null +++ b/common/asshelp.c @@ -0,0 +1,166 @@ +/* asshelp.c - Helper functions for Assuan + * Copyright (C) 2002, 2004 Free Software Foundation, Inc. + * + * 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 2 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + +#include <config.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <errno.h> +#ifdef HAVE_LOCALE_H +#include <locale.h> +#endif + +#include "util.h" + +#include "asshelp.h" + +/* Send the assuan command pertaining to the pinenry environment. The + OPT_* arguments are optional and may be used to overide the + defaults taken from the current locale. */ +gpg_error_t +send_pinentry_environment (assuan_context_t ctx, + const char *opt_display, + const char *opt_ttyname, + const char *opt_ttytype, + const char *opt_lc_ctype, + const char *opt_lc_messages) +{ + int rc = 0; + char *dft_display = NULL; + char *dft_ttyname = NULL; + char *dft_ttytype = NULL; + char *old_lc = NULL; + char *dft_lc = NULL; + + dft_display = getenv ("DISPLAY"); + if (opt_display || dft_display) + { + char *optstr; + if (asprintf (&optstr, "OPTION display=%s", + opt_display ? opt_display : dft_display) < 0) + return gpg_error_from_errno (errno); + rc = assuan_transact (ctx, optstr, NULL, NULL, NULL, NULL, NULL, + NULL); + free (optstr); + if (rc) + return map_assuan_err (rc); + } + if (!opt_ttyname) + { + dft_ttyname = getenv ("GPG_TTY"); + if ((!dft_ttyname || !*dft_ttyname) && ttyname (0)) + dft_ttyname = ttyname (0); + } + if (opt_ttyname || dft_ttyname) + { + char *optstr; + if (asprintf (&optstr, "OPTION ttyname=%s", + opt_ttyname ? opt_ttyname : dft_ttyname) < 0) + return gpg_error_from_errno (errno); + rc = assuan_transact (ctx, optstr, NULL, NULL, NULL, NULL, NULL, + NULL); + free (optstr); + if (rc) + return map_assuan_err (rc); + } + dft_ttytype = getenv ("TERM"); + if (opt_ttytype || (dft_ttyname && dft_ttytype)) + { + char *optstr; + if (asprintf (&optstr, "OPTION ttytype=%s", + opt_ttyname ? opt_ttytype : dft_ttytype) < 0) + return gpg_error_from_errno (errno); + rc = assuan_transact (ctx, optstr, NULL, NULL, NULL, NULL, NULL, + NULL); + free (optstr); + if (rc) + return map_assuan_err (rc); + } +#if defined(HAVE_SETLOCALE) && defined(LC_CTYPE) + old_lc = setlocale (LC_CTYPE, NULL); + if (old_lc) + { + old_lc = strdup (old_lc); + if (!old_lc) + return gpg_error_from_errno (errno); + } + dft_lc = setlocale (LC_CTYPE, ""); +#endif + if (opt_lc_ctype || (dft_ttyname && dft_lc)) + { + char *optstr; + if (asprintf (&optstr, "OPTION lc-ctype=%s", + opt_lc_ctype ? opt_lc_ctype : dft_lc) < 0) + rc = gpg_error_from_errno (errno); + else + { + rc = assuan_transact (ctx, optstr, NULL, NULL, NULL, NULL, NULL, + NULL); + free (optstr); + if (rc) + rc = map_assuan_err (rc); + } + } +#if defined(HAVE_SETLOCALE) && defined(LC_CTYPE) + if (old_lc) + { + setlocale (LC_CTYPE, old_lc); + free (old_lc); + } +#endif + if (rc) + return rc; +#if defined(HAVE_SETLOCALE) && defined(LC_MESSAGES) + old_lc = setlocale (LC_MESSAGES, NULL); + if (old_lc) + { + old_lc = strdup (old_lc); + if (!old_lc) + return gpg_error_from_errno (errno); + } + dft_lc = setlocale (LC_MESSAGES, ""); +#endif + if (opt_lc_messages || (dft_ttyname && dft_lc)) + { + char *optstr; + if (asprintf (&optstr, "OPTION lc-messages=%s", + opt_lc_messages ? opt_lc_messages : dft_lc) < 0) + rc = gpg_error_from_errno (errno); + else + { + rc = assuan_transact (ctx, optstr, NULL, NULL, NULL, NULL, NULL, + NULL); + free (optstr); + if (rc) + rc = map_assuan_err (rc); + } + } +#if defined(HAVE_SETLOCALE) && defined(LC_MESSAGES) + if (old_lc) + { + setlocale (LC_MESSAGES, old_lc); + free (old_lc); + } +#endif + + return rc; +} + |