162 lines
3.9 KiB
C
162 lines
3.9 KiB
C
/* pgp-export.c - Helper to run an export command
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Copyright (C) 2008, 2009 g10 Code GmbH
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This file is part of GPGME.
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GPGME is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of
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the License, or (at your option) any later version.
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GPGME is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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/* We need to include config.h so that we know whether we are building
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with large file system (LFS) support. */
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <gpgme.h>
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#define PGM "pgp-export"
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#include "t-support.h"
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static int verbose;
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static int
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show_usage (int ex)
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{
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fputs ("usage: " PGM " [options] USERIDS\n\n"
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"Options:\n"
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" --verbose run in verbose mode\n"
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" --extern send keys to the keyserver (TAKE CARE!)\n"
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, stderr);
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exit (ex);
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}
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int
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main (int argc, char **argv)
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{
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int last_argc = -1;
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gpgme_error_t err;
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gpgme_ctx_t ctx;
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gpgme_key_t key;
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gpgme_keylist_result_t result;
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gpgme_key_t keyarray[100];
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int keyidx = 0;
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gpgme_data_t out;
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gpgme_export_mode_t mode = 0;
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if (argc)
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{ argc--; argv++; }
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while (argc && last_argc != argc )
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{
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last_argc = argc;
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if (!strcmp (*argv, "--"))
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{
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argc--; argv++;
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break;
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}
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else if (!strcmp (*argv, "--help"))
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show_usage (0);
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else if (!strcmp (*argv, "--verbose"))
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{
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verbose = 1;
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argc--; argv++;
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}
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else if (!strcmp (*argv, "--extern"))
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{
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mode |= GPGME_KEYLIST_MODE_EXTERN;
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argc--; argv++;
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}
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else if (!strncmp (*argv, "--", 2))
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show_usage (1);
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}
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if (!argc)
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show_usage (1);
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init_gpgme (GPGME_PROTOCOL_OpenPGP);
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err = gpgme_new (&ctx);
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fail_if_err (err);
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gpgme_set_protocol (ctx, GPGME_PROTOCOL_OpenPGP);
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/* Lookup the keys. */
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err = gpgme_op_keylist_ext_start (ctx, (const char**)argv, 0, 0);
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fail_if_err (err);
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while (!(err = gpgme_op_keylist_next (ctx, &key)))
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{
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printf ("keyid: %s (fpr: %s)\n",
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key->subkeys?nonnull (key->subkeys->keyid):"?",
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key->subkeys?nonnull (key->subkeys->fpr):"?");
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if (keyidx < DIM (keyarray)-1)
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keyarray[keyidx++] = key;
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else
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{
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fprintf (stderr, PGM": too many keys"
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"- skipping this key\n");
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gpgme_key_unref (key);
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}
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}
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if (gpg_err_code (err) != GPG_ERR_EOF)
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fail_if_err (err);
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err = gpgme_op_keylist_end (ctx);
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fail_if_err (err);
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keyarray[keyidx] = NULL;
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result = gpgme_op_keylist_result (ctx);
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if (result->truncated)
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{
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fprintf (stderr, PGM ": key listing unexpectedly truncated\n");
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exit (1);
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}
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/* Now for the actual export. */
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if ((mode & GPGME_KEYLIST_MODE_EXTERN))
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printf ("sending keys to keyserver\n");
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err = gpgme_data_new (&out);
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fail_if_err (err);
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gpgme_set_armor (ctx, 1);
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err = gpgme_op_export_keys (ctx, keyarray, mode,
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(mode & GPGME_KEYLIST_MODE_EXTERN)? NULL:out);
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fail_if_err (err);
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fflush (NULL);
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if (!(mode & GPGME_KEYLIST_MODE_EXTERN))
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{
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fputs ("Begin Result:\n", stdout);
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print_data (out);
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fputs ("End Result.\n", stdout);
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}
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/* Cleanup. */
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gpgme_data_release (out);
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for (keyidx=0; keyarray[keyidx]; keyidx++)
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gpgme_key_unref (keyarray[keyidx]);
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gpgme_release (ctx);
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return 0;
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}
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