mirror of
https://github.com/profanity-im/profanity.git
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105 lines
3.6 KiB
C
105 lines
3.6 KiB
C
/*
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* cafile.c
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* vim: expandtab:ts=4:sts=4:sw=4
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*
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* Copyright (C) 2022 Steffen Jaeckel <jaeckel-floss@eyet-services.de>
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*
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* This file is part of Profanity.
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*
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* Profanity 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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* Profanity 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 Profanity. If not, see <https://www.gnu.org/licenses/>.
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*
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* In addition, as a special exception, the copyright holders give permission to
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* link the code of portions of this program with the OpenSSL library under
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* certain conditions as described in each individual source file, and
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* distribute linked combinations including the two.
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*
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* You must obey the GNU General Public License in all respects for all of the
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* code used other than OpenSSL. If you modify file(s) with this exception, you
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* may extend this exception to your version of the file(s), but you are not
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* obligated to do so. If you do not wish to do so, delete this exception
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* statement from your version. If you delete this exception statement from all
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* source files in the program, then also delete it here.
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*
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*/
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#include "config.h"
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#include <fcntl.h>
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#include <glib.h>
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#include <errno.h>
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#include <string.h>
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#include <sys/wait.h>
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#include "common.h"
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#include "config/files.h"
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#include "log.h"
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#include "xmpp/xmpp.h"
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static gchar*
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_cafile_name(void)
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{
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auto_gchar gchar* certs_dir = files_get_data_path(DIR_CERTS);
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if (!create_dir(certs_dir)) {
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return NULL;
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}
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gchar* filename = g_strdup_printf("%s/CAfile.pem", certs_dir);
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return filename;
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}
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void
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cafile_add(const TLSCertificate* cert)
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{
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if (!cert->pem) {
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log_error("[CAfile] can't store cert with fingerprint %s: PEM is empty", cert->fingerprint);
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return;
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}
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auto_gchar gchar* cafile = _cafile_name();
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if (!cafile)
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return;
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auto_gchar gchar* contents = NULL;
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auto_gchar gchar* new_contents = NULL;
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gsize length;
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GError* glib_error = NULL;
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if (g_file_test(cafile, G_FILE_TEST_EXISTS)) {
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if (!g_file_get_contents(cafile, &contents, &length, &glib_error)) {
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log_error("[CAfile] could not read from %s: %s", cafile, glib_error ? glib_error->message : "No GLib error given");
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return;
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}
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if (strstr(contents, cert->fingerprint)) {
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log_debug("[CAfile] fingerprint %s already stored", cert->fingerprint);
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return;
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}
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}
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const char* header = "# Profanity CAfile\n# DO NOT EDIT - this file is automatically generated";
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new_contents = g_strdup_printf("%s\n\n# %s\n%s", contents ? contents : header, cert->fingerprint, cert->pem);
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if (!g_file_set_contents(cafile, new_contents, -1, &glib_error))
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log_error("[CAfile] could not write to %s: %s", cafile, glib_error ? glib_error->message : "No GLib error given");
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}
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gchar*
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cafile_get_name(void)
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{
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gchar* cafile = _cafile_name();
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if (!g_file_test(cafile, G_FILE_TEST_EXISTS)) {
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/* That's no problem!
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* There's no need to have a profanity-specific CAfile if all CA's
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* of servers you're trying to connect to are in your OS trust-store
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*/
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log_debug("[CAfile] file %s not created yet", cafile);
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g_free(cafile);
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cafile = NULL;
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}
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return cafile;
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}
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