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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 09:59:15 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 09:59:15 +0000 |
commit | 8de1ee1b2b676b0d07586f0752750dd6b0fb7511 (patch) | |
tree | dd46fd7dc3863045696cd0e48032d8a36fa0daf5 /g10/dearmor.c | |
parent | Initial commit. (diff) | |
download | gnupg2-upstream.tar.xz gnupg2-upstream.zip |
Adding upstream version 2.2.27.upstream/2.2.27upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'g10/dearmor.c')
-rw-r--r-- | g10/dearmor.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/g10/dearmor.c b/g10/dearmor.c new file mode 100644 index 0000000..92239cc --- /dev/null +++ b/g10/dearmor.c @@ -0,0 +1,131 @@ +/* dearmor.c - Armor utility + * Copyright (C) 1998, 1999, 2000, 2001 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 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/>. + */ + +#include <config.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> + +#include "gpg.h" +#include "../common/status.h" +#include "../common/iobuf.h" +#include "../common/util.h" +#include "filter.h" +#include "packet.h" +#include "options.h" +#include "main.h" +#include "../common/i18n.h" + +/**************** + * Take an armor file and write it out without armor + */ +int +dearmor_file( const char *fname ) +{ + armor_filter_context_t *afx; + IOBUF inp = NULL, out = NULL; + int rc = 0; + int c; + + afx = new_armor_context (); + + /* prepare iobufs */ + inp = iobuf_open(fname); + if (inp && is_secured_file (iobuf_get_fd (inp))) + { + iobuf_close (inp); + inp = NULL; + gpg_err_set_errno (EPERM); + } + if (!inp) { + rc = gpg_error_from_syserror (); + log_error(_("can't open '%s': %s\n"), fname? fname: "[stdin]", + strerror(errno) ); + goto leave; + } + + push_armor_filter ( afx, inp ); + + if( (rc = open_outfile (-1, fname, 0, 0, &out)) ) + goto leave; + + while( (c = iobuf_get(inp)) != -1 ) + iobuf_put( out, c ); + + leave: + if( rc ) + iobuf_cancel(out); + else + iobuf_close(out); + iobuf_close(inp); + release_armor_context (afx); + return rc; +} + + +/**************** + * Take file and write it out with armor + */ +int +enarmor_file( const char *fname ) +{ + armor_filter_context_t *afx; + IOBUF inp = NULL, out = NULL; + int rc = 0; + int c; + + afx = new_armor_context (); + + /* prepare iobufs */ + inp = iobuf_open(fname); + if (inp && is_secured_file (iobuf_get_fd (inp))) + { + iobuf_close (inp); + inp = NULL; + gpg_err_set_errno (EPERM); + } + if (!inp) { + rc = gpg_error_from_syserror (); + log_error(_("can't open '%s': %s\n"), fname? fname: "[stdin]", + strerror(errno) ); + goto leave; + } + + + if( (rc = open_outfile (-1, fname, 1, 0, &out )) ) + goto leave; + + afx->what = 4; + afx->hdrlines = "Comment: Use \"gpg --dearmor\" for unpacking\n"; + push_armor_filter ( afx, out ); + + while( (c = iobuf_get(inp)) != -1 ) + iobuf_put( out, c ); + + + leave: + if( rc ) + iobuf_cancel(out); + else + iobuf_close(out); + iobuf_close(inp); + release_armor_context (afx); + return rc; +} |