mirror of
https://git.notmuchmail.org/git/notmuch
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6a833a6e83
Many of the external links found in the notmuch source can be resolved using https instead of http. This changeset addresses as many as i could find, without touching the e-mail corpus or expected outputs found in tests.
134 lines
3.7 KiB
C
134 lines
3.7 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 https://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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/* Create a GPG context (GMime 2.6) */
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static notmuch_crypto_context_t *
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create_gpg_context (notmuch_crypto_t *crypto)
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{
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notmuch_crypto_context_t *gpgctx;
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if (crypto->gpgctx)
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return crypto->gpgctx;
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/* TODO: GMimePasswordRequestFunc */
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gpgctx = g_mime_gpg_context_new (NULL, crypto->gpgpath ? crypto->gpgpath : "gpg");
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if (! gpgctx) {
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fprintf (stderr, "Failed to construct gpg context.\n");
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return NULL;
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}
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crypto->gpgctx = gpgctx;
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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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/* Create a PKCS7 context (GMime 2.6) */
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static notmuch_crypto_context_t *
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create_pkcs7_context (notmuch_crypto_t *crypto)
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{
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notmuch_crypto_context_t *pkcs7ctx;
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if (crypto->pkcs7ctx)
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return crypto->pkcs7ctx;
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/* TODO: GMimePasswordRequestFunc */
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pkcs7ctx = g_mime_pkcs7_context_new (NULL);
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if (! pkcs7ctx) {
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fprintf (stderr, "Failed to construct pkcs7 context.\n");
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return NULL;
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}
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crypto->pkcs7ctx = pkcs7ctx;
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g_mime_pkcs7_context_set_always_trust ((GMimePkcs7Context *) pkcs7ctx,
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FALSE);
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return pkcs7ctx;
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}
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static const struct {
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const char *protocol;
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notmuch_crypto_context_t *(*get_context) (notmuch_crypto_t *crypto);
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} protocols[] = {
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{
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.protocol = "application/pgp-signature",
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.get_context = create_gpg_context,
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},
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{
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.protocol = "application/pgp-encrypted",
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.get_context = create_gpg_context,
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},
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{
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.protocol = "application/pkcs7-signature",
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.get_context = create_pkcs7_context,
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},
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{
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.protocol = "application/x-pkcs7-signature",
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.get_context = create_pkcs7_context,
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},
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};
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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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size_t i;
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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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for (i = 0; i < ARRAY_SIZE (protocols); i++) {
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if (strcasecmp (protocol, protocols[i].protocol) == 0)
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return protocols[i].get_context (crypto);
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}
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fprintf (stderr, "Unknown or unsupported cryptographic protocol %s.\n",
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protocol);
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return NULL;
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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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if (crypto->pkcs7ctx) {
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g_object_unref (crypto->pkcs7ctx);
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crypto->pkcs7ctx = NULL;
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}
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return 0;
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}
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