/*
* Copyright notice from original mutt:
* Copyright (C) 1996,1997 Michael R. Elkins <me@mutt.org>
- * Copyright (C) 1999-2000 Thomas Roessler <roessler@does-not-exist.org>
+ * Copyright (C) 1998-2000 Thomas Roessler <roessler@does-not-exist.org>
* Copyright (C) 2001 Thomas Roessler <roessler@does-not-exist.org>
* Oliver Ehli <elmy@acm.org>
* Copyright (C) 2003 Werner Koch <wk@gnupg.org>
- * Copyright (C) 2004 g10code GmbH
- *
- * This file is part of mutt-ng, see http://www.muttng.org/.
- * It's licensed under the GNU General Public License,
- * please see the file GPL in the top level source directory.
+ * Copyright (C) 2002, 2003, 2004 g10 Code GmbH
+ */
+/*
+ * Copyright © 2006 Pierre Habouzit
*/
#include <lib-lib/lib-lib.h>
-#ifdef HAVE_LOCALE_H
-# include <locale.h>
-#endif
-#ifdef HAVE_SYS_RESOURCE_H
-# include <sys/resource.h>
-#endif
-
#include <lib-mime/mime.h>
-
#include <lib-ui/curses.h>
#include <lib-mx/mx.h>
#include "handler.h"
#include "copy.h"
#include "crypt.h"
-#include "pgp.h"
-
-/* print the current time to avoid spoofing of the signature output */
-void crypt_current_time (STATE * s, const char *app_name)
-{
- time_t t;
- char p[STRING], tmp[STRING];
-
- if (option (OPTCRYPTTIMESTAMP)) {
- t = time (NULL);
- setlocale (LC_TIME, "");
- strftime (p, sizeof (p), _(" (current time: %c)"), localtime (&t));
- setlocale (LC_TIME, "C");
- }
- else
- *p = '\0';
-
- snprintf (tmp, sizeof (tmp), _("[-- %s output follows%s --]\n"),
- NONULL (app_name), p);
- state_attach_puts (tmp, s);
-}
-
-
-
-void crypt_forget_passphrase (void)
-{
- crypt_pgp_void_passphrase ();
- crypt_smime_void_passphrase ();
- mutt_message _("Passphrase(s) forgotten.");
-}
-
-
-#if defined(HAVE_SETRLIMIT)
-
-static void disable_coredumps (void)
-{
- struct rlimit rl = { 0, 0 };
- static short done = 0;
- if (!done) {
- setrlimit (RLIMIT_CORE, &rl);
- done = 1;
- }
-}
-
-#endif /* HAVE_SETRLIMIT */
-
-
-int crypt_valid_passphrase (int flags)
+void crypt_invoke_message (int type)
{
- int ret = 0;
-
-# if defined(HAVE_SETRLIMIT)
- disable_coredumps ();
-# endif
-
- if (flags & APPLICATION_PGP)
- ret = crypt_pgp_valid_passphrase ();
-
- if (flags & APPLICATION_SMIME)
- ret = crypt_smime_valid_passphrase ();
-
- return ret;
+ if (type & APPLICATION_PGP) {
+ mutt_message _("Invoking PGP...");
+ }
+ else if (type & APPLICATION_SMIME) {
+ mutt_message _("Invoking S/MIME...");
+ }
}
-
-
int mutt_protect (HEADER * msg, char *keylist)
{
BODY *pbody = NULL, *tmp_pbody = NULL;
BODY *tmp_smime_pbody = NULL;
BODY *tmp_pgp_pbody = NULL;
int flags = msg->security;
- int i;
-
- if ((msg->security & SIGN) && !crypt_valid_passphrase (msg->security))
- return (-1);
-
- if ((msg->security & PGPINLINE) == PGPINLINE) {
- /* they really want to send it inline... go for it */
- if (!isendwin ())
- mutt_endwin _("Invoking PGP...");
-
- pbody = crypt_pgp_traditional_encryptsign (msg->content, flags, keylist);
- if (pbody) {
- msg->content = pbody;
- return 0;
- }
-
- /* otherwise inline won't work...ask for revert */
- if ((i = query_quadoption(OPT_PGPMIMEAUTO,
- _("Message can't be sent inline. Revert to using PGP/MIME?")))
- != M_YES) {
- mutt_error _("Mail not sent.");
-
- return -1;
- }
-
- /* go ahead with PGP/MIME */
- }
if (!isendwin ())
mutt_endwin (NULL);
BODY *p;
int u, v, w;
- u = m->parts ? 0xffffffff : 0; /* Bits set in all parts */
+ u = m->parts ? ~0 : 0; /* Bits set in all parts */
w = 0; /* Bits set in any part */
for (p = m->parts; p; p = p->next) {
}
-void crypt_extract_keys_from_messages (HEADER * h)
+static void extract_keys_aux(FILE *fpout, HEADER *h)
{
- int i;
- char tempfname[_POSIX_PATH_MAX], *mbox;
- address_t *tmp = NULL;
- FILE *fpout;
-
- fpout = m_tempfile(tempfname, sizeof(tempfname), NONULL(MCore.tmpdir), NULL);
- if (!fpout) {
- mutt_error(_("Could not create temporary file"));
- return;
- }
-
- set_option (OPTDONTHANDLEPGPKEYS);
-
- if (!h) {
- for (i = 0; i < Context->vcount; i++) {
- if (Context->hdrs[Context->v2r[i]]->tagged) {
- mutt_parse_mime_message (Context, Context->hdrs[Context->v2r[i]]);
- if (Context->hdrs[Context->v2r[i]]->security & ENCRYPT &&
- !crypt_valid_passphrase (Context->hdrs[Context->v2r[i]]->
- security)) {
- m_fclose(&fpout);
- break;
- }
-
- if (Context->hdrs[Context->v2r[i]]->security & APPLICATION_PGP) {
- mutt_copy_message (fpout, Context, Context->hdrs[Context->v2r[i]],
- M_CM_DECODE | M_CM_CHARCONV, 0);
- fflush (fpout);
-
- mutt_endwin (_("Trying to extract PGP keys...\n"));
- crypt_pgp_invoke_import (tempfname);
- }
-
- if (Context->hdrs[Context->v2r[i]]->security & APPLICATION_SMIME) {
- if (Context->hdrs[Context->v2r[i]]->security & ENCRYPT)
- mutt_copy_message (fpout, Context, Context->hdrs[Context->v2r[i]],
- M_CM_NOHEADER | M_CM_DECODE_CRYPT
- | M_CM_DECODE_SMIME, 0);
- else
- mutt_copy_message (fpout, Context,
- Context->hdrs[Context->v2r[i]], 0, 0);
- fflush (fpout);
-
- if (Context->hdrs[Context->v2r[i]]->env->from)
- tmp = mutt_expand_aliases (h->env->from);
- else if (Context->hdrs[Context->v2r[i]]->env->sender)
- tmp = mutt_expand_aliases (Context->hdrs[Context->v2r[i]]
- ->env->sender);
- mbox = tmp ? tmp->mailbox : NULL;
- if (mbox) {
- mutt_endwin (_("Trying to extract S/MIME certificates...\n"));
- crypt_smime_invoke_import (tempfname, mbox);
- tmp = NULL;
- }
- }
-
- rewind (fpout);
- }
- }
- }
- else {
mutt_parse_mime_message (Context, h);
- if (!(h->security & ENCRYPT && !crypt_valid_passphrase (h->security))) {
- if (h->security & APPLICATION_PGP) {
- mutt_copy_message (fpout, Context, h, M_CM_DECODE | M_CM_CHARCONV, 0);
+
+ rewind(fpout);
+ if (h->security & APPLICATION_PGP) {
+ mutt_copy_message(fpout, Context, h, M_CM_DECODE | M_CM_CHARCONV, 0);
fflush (fpout);
+
mutt_endwin (_("Trying to extract PGP keys...\n"));
- crypt_pgp_invoke_import (tempfname);
- }
+ }
- if (h->security & APPLICATION_SMIME) {
+ if (h->security & APPLICATION_SMIME) {
if (h->security & ENCRYPT)
- mutt_copy_message (fpout, Context, h, M_CM_NOHEADER
- | M_CM_DECODE_CRYPT | M_CM_DECODE_SMIME, 0);
+ mutt_copy_message (fpout, Context, h, M_CM_NOHEADER
+ | M_CM_DECODE_CRYPT | M_CM_DECODE_SMIME, 0);
else
- mutt_copy_message (fpout, Context, h, 0, 0);
-
+ mutt_copy_message(fpout, Context, h, 0, 0);
fflush (fpout);
- if (h->env->from)
- tmp = mutt_expand_aliases (h->env->from);
- else if (h->env->sender)
- tmp = mutt_expand_aliases (h->env->sender);
- mbox = tmp ? tmp->mailbox : NULL;
- if (mbox) { /* else ? */
- mutt_message (_("Trying to extract S/MIME certificates...\n"));
- crypt_smime_invoke_import (tempfname, mbox);
- }
- }
- }
- }
- m_fclose(&fpout);
- if (isendwin ())
- mutt_any_key_to_continue (NULL);
-
- mutt_unlink (tempfname);
+ mutt_message (_("Trying to extract S/MIME certificates...\n"));
+ }
- unset_option (OPTDONTHANDLEPGPKEYS);
+ rewind(fpout);
+ crypt_invoke_import(fpout, h->security & APPLICATION_SMIME);
}
-
-
-int crypt_get_keys (HEADER * msg, char **keylist)
+void crypt_extract_keys_from_messages(HEADER * h)
{
- /* Do a quick check to make sure that we can find all of the encryption
- * keys if the user has requested this service.
- */
-
- set_option (OPTPGPCHECKTRUST);
-
- *keylist = NULL;
-
- if (msg->security & ENCRYPT) {
- if (msg->security & APPLICATION_PGP) {
- if ((*keylist = crypt_pgp_findkeys (msg->env->to, msg->env->cc,
- msg->env->bcc)) == NULL)
- return (-1);
- unset_option (OPTPGPCHECKTRUST);
+ FILE *tmpfp = tmpfile();
+ if (!tmpfp) {
+ mutt_error(_("Could not create temporary file"));
+ return;
}
- if (msg->security & APPLICATION_SMIME) {
- if ((*keylist = crypt_smime_findkeys (msg->env->to, msg->env->cc,
- msg->env->bcc)) == NULL)
- return (-1);
+
+ set_option(OPTDONTHANDLEPGPKEYS);
+ if (!h) {
+ int i;
+ for (i = 0; i < Context->vcount; i++) {
+ if (!Context->hdrs[Context->v2r[i]]->tagged)
+ continue;
+ extract_keys_aux(tmpfp, Context->hdrs[Context->v2r[i]]);
+ }
+ } else {
+ extract_keys_aux(tmpfp, h);
}
- }
+ unset_option(OPTDONTHANDLEPGPKEYS);
+ m_fclose(&tmpfp);
- return (0);
+ if (isendwin())
+ mutt_any_key_to_continue(NULL);
}
int mutt_signed_handler (BODY * a, STATE * s)
{
- char tempfile[_POSIX_PATH_MAX];
- FILE * tempfp;
+ unsigned major, minor;
char *protocol;
- int protocol_major = TYPEOTHER;
- char *protocol_minor = NULL;
-
+ int rc, i, goodsig = 1, sigcnt = 0;
BODY *b = a;
- BODY **signatures = NULL;
- int sigcnt = 0;
- int i;
- short goodsig = 1;
- int rc = 0;
protocol = parameter_getval(a->parameter, "protocol");
a = a->parts;
- /* extract the protocol information */
-
- if (protocol) {
- char major[STRING];
- char *t;
-
- if ((protocol_minor = strchr (protocol, '/')))
- protocol_minor++;
-
- m_strcpy(major, sizeof(major), protocol);
- if ((t = strchr (major, '/')))
- *t = '\0';
-
- protocol_major = mutt_check_mime_type (major);
+ switch (mime_which_token(protocol, -1)) {
+ case MIME_APPLICATION_PGP_SIGNATURE:
+ major = TYPEAPPLICATION;
+ minor = MIME_PGP_SIGNATURE;
+ break;
+ case MIME_APPLICATION_X_PKCS7_SIGNATURE:
+ major = TYPEAPPLICATION;
+ minor = MIME_X_PKCS7_SIGNATURE;
+ break;
+ case MIME_APPLICATION_PKCS7_SIGNATURE:
+ major = TYPEAPPLICATION;
+ minor = MIME_PKCS7_SIGNATURE;
+ break;
+ case MIME_MULTIPART_MIXED:
+ major = TYPEMULTIPART;
+ minor = MIME_MIXED;
+ break;
+
+ default:
+ state_printf(s, _("[-- Error: "
+ "Unknown multipart/signed protocol %s! --]\n\n"),
+ protocol);
+ return mutt_body_handler (a, s);
}
/* consistency check */
-
- if (!(a && a->next && a->next->type == protocol_major &&
- !m_strcasecmp(a->next->subtype, protocol_minor))) {
- state_attach_puts (_("[-- Error: "
- "Inconsistent multipart/signed structure! --]\n\n"),
- s);
- return mutt_body_handler (a, s);
- }
-
-
- if (protocol_major == TYPEAPPLICATION
- && !m_strcasecmp(protocol_minor, "pgp-signature"));
- else if (protocol_major == TYPEAPPLICATION
- && !(m_strcasecmp(protocol_minor, "x-pkcs7-signature")
- && m_strcasecmp(protocol_minor, "pkcs7-signature")));
- else if (protocol_major == TYPEMULTIPART
- && !m_strcasecmp(protocol_minor, "mixed"));
- else {
- state_printf (s, _("[-- Error: "
- "Unknown multipart/signed protocol %s! --]\n\n"),
- protocol);
+ if (!(a && a->next && a->next->type == major &&
+ mime_which_token(a->next->subtype, -1) == minor))
+ {
+ state_attach_puts(_("[-- Error: "
+ "Inconsistent multipart/signed structure! --]\n\n"),
+ s);
return mutt_body_handler (a, s);
}
if (s->flags & M_DISPLAY) {
+ BODY **sigs = NULL;
- crypt_fetch_signatures (&signatures, a->next, &sigcnt);
-
+ crypt_fetch_signatures (&sigs, a->next, &sigcnt);
if (sigcnt) {
- tempfp = m_tempfile(tempfile, sizeof(tempfile), NONULL(MCore.tmpdir), NULL);
- if (!tempfp) {
+ FILE *tmpfp = tmpfile();
+
+ if (!tmpfp) {
mutt_error(_("Could not create temporary file"));
} else {
- crypt_write_signed(a, s, tempfp);
- m_fclose(&tempfp);
+ crypt_write_signed(a, s, tmpfp);
+ rewind(tmpfp);
for (i = 0; i < sigcnt; i++) {
- if (signatures[i]->type == TYPEAPPLICATION
- && !m_strcasecmp(signatures[i]->subtype, "pgp-signature")) {
- if (crypt_pgp_verify_one (signatures[i], s, tempfile) != 0)
- goodsig = 0;
-
- continue;
+ if (sigs[i]->type == TYPEAPPLICATION) {
+ int subtype;
+
+ switch ((subtype = mime_which_token(sigs[i]->subtype, -1))) {
+ case MIME_PGP_SIGNATURE:
+ case MIME_X_PKCS7_SIGNATURE:
+ case MIME_PKCS7_SIGNATURE:
+ if (crypt_verify_one(sigs[i], s, tmpfp, subtype != MIME_PGP_SIGNATURE) != 0)
+ goodsig = 0;
+
+ m_fclose(&tmpfp);
+ continue;
+
+ default:
+ break;
+ }
}
- if (signatures[i]->type == TYPEAPPLICATION
- && (!m_strcasecmp(signatures[i]->subtype, "x-pkcs7-signature")
- || !m_strcasecmp(signatures[i]->subtype, "pkcs7-signature")))
- {
- if (crypt_smime_verify_one (signatures[i], s, tempfile) != 0)
- goodsig = 0;
-
- continue;
- }
-
- state_printf (s, _("[-- Warning: "
- "We can't verify %s/%s signatures. --]\n\n"),
- TYPE (signatures[i]), signatures[i]->subtype);
+ state_printf(s, _("[-- Warning: "
+ "We can't verify %s/%s signatures. --]\n\n"),
+ TYPE (sigs[i]), sigs[i]->subtype);
}
}
- mutt_unlink (tempfile);
-
b->goodsig = goodsig;
- b->badsig = !goodsig;
+ b->badsig = !goodsig;
/* Now display the signed body */
- state_attach_puts (_("[-- The following data is signed --]\n\n"), s);
-
+ state_attach_puts(_("[-- The following data is signed --]\n\n"), s);
- p_delete(&signatures);
+ p_delete(&sigs);
+ } else {
+ state_attach_puts(_("[-- Warning: Can't find any signatures. --]\n\n"),
+ s);
}
- else
- state_attach_puts (_("[-- Warning: Can't find any signatures. --]\n\n"),
- s);
}
rc = mutt_body_handler (a, s);