mirror of
https://git.notmuchmail.org/git/notmuch
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21ecd7369a
GMIME takes a path to gpg, but we hardcode that path. In this commit we set up argument passing and option storage to allow this path to specified in the top level notmuch command.
107 lines
3.1 KiB
C
107 lines
3.1 KiB
C
/* notmuch - Not much of an email program, (just index and search)
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*
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* Copyright © 2012 Jameson Rollins
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see http://www.gnu.org/licenses/ .
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*
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* Authors: Jameson Rollins <jrollins@finestructure.net>
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*/
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#include "notmuch-client.h"
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#ifdef GMIME_ATLEAST_26
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/* Create a GPG context (GMime 2.6) */
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static notmuch_crypto_context_t *
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create_gpg_context (const char *gpgpath)
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{
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notmuch_crypto_context_t *gpgctx;
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/* TODO: GMimePasswordRequestFunc */
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gpgctx = g_mime_gpg_context_new (NULL, gpgpath ? gpgpath : "gpg");
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if (! gpgctx)
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return NULL;
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g_mime_gpg_context_set_use_agent ((GMimeGpgContext *) gpgctx, TRUE);
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g_mime_gpg_context_set_always_trust ((GMimeGpgContext *) gpgctx, FALSE);
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return gpgctx;
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}
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#else /* GMIME_ATLEAST_26 */
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/* Create a GPG context (GMime 2.4) */
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static notmuch_crypto_context_t *
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create_gpg_context (const char* gpgpath)
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{
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GMimeSession *session;
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notmuch_crypto_context_t *gpgctx;
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session = g_object_new (g_mime_session_get_type (), NULL);
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gpgctx = g_mime_gpg_context_new (session, gpgpath ? gpgpath : "gpg");
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g_object_unref (session);
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if (! gpgctx)
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return NULL;
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g_mime_gpg_context_set_always_trust ((GMimeGpgContext *) gpgctx, FALSE);
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return gpgctx;
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}
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#endif /* GMIME_ATLEAST_26 */
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/* for the specified protocol return the context pointer (initializing
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* if needed) */
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notmuch_crypto_context_t *
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notmuch_crypto_get_context (notmuch_crypto_t *crypto, const char *protocol)
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{
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notmuch_crypto_context_t *cryptoctx = NULL;
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if (! protocol) {
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fprintf (stderr, "Cryptographic protocol is empty.\n");
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return cryptoctx;
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}
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/* As per RFC 1847 section 2.1: "the [protocol] value token is
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* comprised of the type and sub-type tokens of the Content-Type".
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* As per RFC 1521 section 2: "Content-Type values, subtypes, and
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* parameter names as defined in this document are
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* case-insensitive." Thus, we use strcasecmp for the protocol.
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*/
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if (strcasecmp (protocol, "application/pgp-signature") == 0 ||
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strcasecmp (protocol, "application/pgp-encrypted") == 0) {
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if (! crypto->gpgctx) {
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crypto->gpgctx = create_gpg_context (crypto->gpgpath);
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if (! crypto->gpgctx)
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fprintf (stderr, "Failed to construct gpg context.\n");
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}
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cryptoctx = crypto->gpgctx;
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} else {
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fprintf (stderr, "Unknown or unsupported cryptographic protocol.\n");
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}
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return cryptoctx;
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}
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int
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notmuch_crypto_cleanup (notmuch_crypto_t *crypto)
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{
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if (crypto->gpgctx) {
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g_object_unref (crypto->gpgctx);
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crypto->gpgctx = NULL;
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}
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return 0;
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}
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