+++ /dev/null
-/*
- * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
- * Copyright (C) 2001 Jens Jahnke <jan0sch@gmx.net>
- *
- * This program 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 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#if USE_GPGME
-
-#include "defs.h"
-
-#include <glib.h>
-#include <stdio.h>
-#include <string.h>
-#include <locale.h>
-#include <ctype.h>
-
-#include <gpgme.h>
-
-#include "intl.h"
-#include "utils.h"
-#include "passphrase.h"
-#include "rfc2015.h"
-
-#include "pgptext.h"
-
-#define DIM(v) (sizeof(v)/sizeof((v)[0]))
-
-static char *content_names[] = {
- "Content-Type",
- "Content-Disposition",
- "Content-Transfer-Encoding",
- NULL
-};
-
-/* stolen from rfc2015.c */
-static int
-gpg_name_cmp(const char *a, const char *b)
-{
- for( ; *a && *b; a++, b++) {
- if(*a != *b
- && toupper(*(unsigned char *)a) != toupper(*(unsigned char *)b))
- return 1;
- }
-
- return *a != *b;
-}
-
-static GpgmeData
-pgptext_decrypt (MimeInfo *partinfo, FILE *fp)
-{
- GpgmeCtx ctx = NULL;
- GpgmeError err;
- GpgmeData cipher = NULL, plain = NULL;
- struct passphrase_cb_info_s info;
-
- memset (&info, 0, sizeof info);
-
- err = gpgme_new (&ctx);
- if (err) {
- debug_print ("gpgme_new failed: %s\n", gpgme_strerror (err));
- goto leave;
- }
-
- err = gpgme_data_new_from_filepart (&cipher, NULL, fp,
- partinfo->fpos, partinfo->size);
- if (err) {
- debug_print ("gpgme_data_new_from_filepart failed: %s\n",
- gpgme_strerror (err));
- goto leave;
- }
-
- err = gpgme_data_new (&plain);
- if (err) {
- debug_print ("gpgme_new failed: %s\n", gpgme_strerror (err));
- goto leave;
- }
-
- if (!getenv("GPG_AGENT_INFO")) {
- info.c = ctx;
- gpgme_set_passphrase_cb (ctx, gpgmegtk_passphrase_cb, (void *)&info);
- }
-
- err = gpgme_op_decrypt (ctx, cipher, plain);
-
-leave:
- gpgme_data_release (cipher);
- if (err) {
- gpgmegtk_free_passphrase();
- debug_print ("decryption failed: %s\n", gpgme_strerror (err));
- gpgme_data_release (plain);
- plain = NULL;
- }
- else
- debug_print ("decryption succeeded\n");
-
- gpgme_release (ctx);
- return plain;
-}
-
-static int
-headerp(char *p, char **names)
-{
- int i, c;
- char *p2;
-
- p2 = strchr(p, ':');
- if(!p2 || p == p2) {
- return 0;
- }
- if(p2[-1] == ' ' || p2[-1] == '\t') {
- return 0;
- }
-
- if(!names[0])
- return 1;
-
- c = *p2;
- *p2 = 0;
- for(i = 0 ; names[i] != NULL; i++) {
- if(!gpg_name_cmp (names[i], p))
- break;
- }
- *p2 = c;
-
- return names[i] != NULL;
-}
-
-MimeInfo * pgptext_find_signature (MimeInfo *mimeinfo)
-{
- return NULL;
-}
-
-gboolean pgptext_has_signature (MimeInfo *mimeinfo)
-{
- /*
- * check for the following strings:
- * -----BEGIN PGP SIGNED MESSAGE-----
- * ----- ????
- * -----BEGIN PGP SIGNATURE-----
- * -----END PGP SIGNATURE-----
- */
-
- return 0;
-}
-
-void pgptext_check_signature (MimeInfo *mimeinfo, FILE *fp)
-{
-}
-
-int pgptext_is_encrypted (MimeInfo *mimeinfo, MsgInfo *msginfo)
-{
- FILE *fp;
- gchar *file, *tmpchk;
- gchar buf[BUFFSIZE];
- gboolean has_begin_pgp_msg = FALSE;
- gboolean has_end_pgp_msg = FALSE;
- gchar *check_begin_pgp_msg = "-----BEGIN PGP MESSAGE-----\n";
- gchar *check_end_pgp_msg = "-----END PGP MESSAGE-----\n";
-
- g_return_val_if_fail(msginfo != NULL, 0);
-
- if (!mimeinfo)
- return 0;
-
- if ((fp = procmsg_open_message(msginfo)) == NULL) return 0;
- mimeinfo = procmime_scan_mime_header(fp);
- fclose(fp);
- if (!mimeinfo) return 0;
-
- file = procmsg_get_message_file_path(msginfo);
- g_return_val_if_fail(file != NULL, 0);
-
- if (mimeinfo->mime_type != MIME_TEXT) {
- if ((fp = fopen(file, "rb")) == NULL) {
- FILE_OP_ERROR(file, "fopen");
- g_free(file);
- return 0;
- }
- /* skip headers */
- if (mimeinfo->mime_type == MIME_MULTIPART) {
- if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0)
- perror("fseek");
- while (fgets(buf, sizeof(buf), fp) != NULL)
- if (buf[0] == '\r' || buf[0] == '\n') break;
- }
- /* now check for a pgptext encrypted message */
- while (fgets(buf, sizeof(buf), fp) != NULL) {
- tmpchk = g_strnfill(sizeof(buf), '\n');
- memmove(tmpchk, &buf, sizeof(buf));
-
- if (strstr(tmpchk, check_begin_pgp_msg) != NULL)
- has_begin_pgp_msg = TRUE;
- if (strstr(tmpchk, check_end_pgp_msg) != NULL)
- has_end_pgp_msg = TRUE;
-
- g_free(tmpchk);
- }
- fclose(fp);
- } else {
- if ((fp = fopen(file, "rb")) == NULL) {
- FILE_OP_ERROR(file, "fopen");
- g_free(file);
- return 0;
- }
- /* skip headers */
- if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0)
- perror("fseek");
- while (fgets(buf, sizeof(buf), fp) != NULL)
- if (buf[0] == '\r' || buf[0] == '\n') break;
-
- /* now check for a pgptext encrypted message */
- while (fgets(buf, sizeof(buf), fp) != NULL) {
- tmpchk = g_strnfill(sizeof(buf), '\n');
- memmove(tmpchk, &buf, sizeof(buf));
-
- if (strstr(tmpchk, check_begin_pgp_msg) != NULL)
- has_begin_pgp_msg = TRUE;
- if (strstr(tmpchk, check_end_pgp_msg) != NULL)
- has_end_pgp_msg = TRUE;
-
- g_free(tmpchk);
- }
- fclose(fp);
- }
-
- g_free(file);
-
- /* do we have a proper message? */
- if (has_begin_pgp_msg && has_end_pgp_msg)
- return 1;
- else
- return 0;
-}
-
-void pgptext_decrypt_message (MsgInfo *msginfo, MimeInfo *mimeinfo, FILE *fp)
-{
- static int id;
- MimeInfo *partinfo;
- char *fname;
- GpgmeData plain;
- FILE *dstfp;
- size_t nread;
- char buf[BUFFSIZE];
- GpgmeError err;
-
- g_return_if_fail (mimeinfo->mime_type == MIME_TEXT);
-
- debug_print ("text/plain with pgptext encountered\n");
-
- partinfo = procmime_scan_message(msginfo);
-
- /* skip headers */
- if (fseek(fp, partinfo->fpos, SEEK_SET) < 0)
- perror("fseek");
- while (fgets(buf, sizeof(buf), fp) != NULL) {
- partinfo->fpos = partinfo->fpos + strlen(buf);
- if (buf[0] == '\r' || buf[0] == '\n') break;
- }
- /* get size */
- while (fgets(buf, sizeof(buf), fp) != NULL)
- partinfo->size = partinfo->size + strlen(buf);
-
- plain = pgptext_decrypt (partinfo, fp);
- if (!plain) {
- msginfo->decryption_failed = 1;
- return;
- }
-
- fname = g_strdup_printf("%s%cplaintext.%08x",
- get_mime_tmp_dir(), G_DIR_SEPARATOR, ++id);
-
- if ((dstfp = fopen(fname, "wb")) == NULL) {
- FILE_OP_ERROR(fname, "fopen");
- g_free(fname);
- msginfo->decryption_failed = 1;
- return;
- }
-
- /* write the orginal header to the new file */
- if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0)
- perror("fseek");
-
- while (fgets(buf, sizeof(buf), fp)) {
- if (headerp (buf, content_names))
- continue;
- if (buf[0] == '\r' || buf[0] == '\n')
- break;
- fputs (buf, dstfp);
- }
-
- err = gpgme_data_rewind (plain);
- if (err)
- debug_print ("gpgme_data_rewind failed: %s\n", gpgme_strerror (err));
-
- /* insert blank line to avoid some trouble... */
- fputs ("\n", dstfp);
-
- while (!(err = gpgme_data_read (plain, buf, sizeof(buf), &nread))) {
- fwrite (buf, nread, 1, dstfp);
- }
-
- if (err != GPGME_EOF) {
- debug_print ("gpgme_data_read failed: %s\n", gpgme_strerror (err));
- }
-
- fclose (dstfp);
-
- msginfo->plaintext_file = fname;
- msginfo->decryption_failed = 0;
-
-}
-
-int pgptext_encrypt (const char *file, GSList *recp_list)
-{
- return 0;
-}
-
-int pgptext_sign (const char *file, PrefsAccount *ac)
-{
- return 0;
-}
-
-#endif /* USE_GPGME */
-
+++ /dev/null
-/*
- * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
- * Copyright (C) 2001 Jens Jahnke <jan0sch@gmx.net>
- *
- * This program 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 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#ifndef PGPTXT_H__
-#define PGPTXT_H__
-
-#include <glib.h>
-#include <stdio.h>
-
-#include "procmime.h"
-#include "prefs_account.h"
-
-/*
-void pgptext_disable_all (void);
-void pgptext_secure_remove (const char *fname);
-MimeInfo * pgptext_find_signature (MimeInfo *mimeinfo);
-*/
-gboolean pgptext_has_signature (MimeInfo *mimeinfo);
-void pgptext_check_signature (MimeInfo *mimeinfo, FILE *fp);
-int pgptext_is_encrypted (MimeInfo *mimeinfo, MsgInfo *msginfo);
-void pgptext_decrypt_message (MsgInfo *msginfo, MimeInfo *mimeinfo, FILE *fp);
-int pgptext_encrypt (const char *file, GSList *recp_list);
-int pgptext_sign (const char *file, PrefsAccount *ac);
-
-#endif /* PGPTEXT_H__ */
projects / claws.git / commitdiff