void
mu_msg_crypto_verify_part (GMimeMultipartSigned *sig, MuMsgOptions opts,
GError **err)
{
/* the signature status */
MuMsgPartSigStatusReport *report;
GMimeCryptoContext *ctx;
GMimeSignatureList *sigs;
g_return_if_fail (GMIME_IS_MULTIPART_SIGNED(sig));
ctx = get_crypto_context (opts, NULL, NULL, err);
if (!ctx) {
mu_util_g_set_error (err, MU_ERROR_CRYPTO,
"failed to get crypto context");
return;
}
sigs = g_mime_multipart_signed_verify (sig, ctx, err);
g_object_unref (ctx);
if (!sigs) {
if (err && !*err)
mu_util_g_set_error (err, MU_ERROR_CRYPTO,
"verification failed");
return;
}
report = get_status_report (sigs);
g_mime_signature_list_clear (sigs);
/* tag this part with the signature status check */
tag_with_sig_status(G_OBJECT(sig), report);
}
GMimeObject* /* this is declared in mu-msg-priv.h */
mu_msg_crypto_decrypt_part (GMimeMultipartEncrypted *enc, MuMsgOptions opts,
MuMsgPartPasswordFunc func, gpointer user_data,
GError **err)
{
GMimeObject *dec;
GMimeCryptoContext *ctx;
g_return_val_if_fail (GMIME_IS_MULTIPART_ENCRYPTED(enc), NULL);
ctx = get_crypto_context (opts, func, user_data, err);
if (!ctx) {
mu_util_g_set_error (err, MU_ERROR_CRYPTO,
"failed to get crypto context");
return NULL;
}
dec = g_mime_multipart_encrypted_decrypt (enc, ctx, NULL, err);
g_object_unref (ctx);
if (!dec) {
if (err && !*err)
mu_util_g_set_error (err, MU_ERROR_CRYPTO,
"decryption failed");
return NULL;
}
return dec;
}
MuMsgPartSigStatusReport*
mu_msg_crypto_verify_part (GMimeMultipartSigned *sig, MuMsgOptions opts,
GError **err)
{
MuMsgPartSigStatusReport *report;
GMimeCryptoContext *ctx;
GMimeSignatureList *sigs;
g_return_val_if_fail (GMIME_IS_MULTIPART_SIGNED(sig), NULL);
ctx = get_crypto_context (opts, NULL, NULL, err);
if (!ctx) {
mu_util_g_set_error (err, MU_ERROR_CRYPTO,
"failed to get crypto context");
return NULL;
}
sigs = g_mime_multipart_signed_verify (sig, ctx, err);
g_object_unref (ctx);
if (!sigs) {
if (err && !*err)
mu_util_g_set_error (err, MU_ERROR_CRYPTO,
"verification failed");
return NULL;
}
report = get_status_report (sigs);
g_mime_signature_list_clear (sigs);
return report;
}
GMimeObject* /* this is declared in mu-msg-priv.h */
mu_msg_crypto_decrypt_part (GMimeMultipartEncrypted *enc, MuMsgOptions opts,
MuMsgPartPasswordFunc func, gpointer user_data,
GError **err)
{
GMimeObject *dec;
GMimeCryptoContext *ctx;
GMimeDecryptResult *res;
g_return_val_if_fail (GMIME_IS_MULTIPART_ENCRYPTED(enc), NULL);
ctx = get_crypto_context (opts, func, user_data, err);
if (!ctx) {
mu_util_g_set_error (err, MU_ERROR_CRYPTO,
"failed to get crypto context");
return NULL;
}
/* at the time of writing, there is a small leak in
* g_mime_multipart_encrypted_decrypt; I've notified its
* author and it has been fixed 2012-09-12:
* http://git.gnome.org/browse/gmime/commit/
* ?id=1bacd43b50d91bd03a4ae1dc9f46f5783dee61b1
* (or GMime > 2.6.10)
* */
res = NULL;
dec = g_mime_multipart_encrypted_decrypt (enc, ctx, &res, err);
g_object_unref (ctx);
/* we don't use the 3rd param 'res' * (GMimeDecryptResult),
* but we must unref it. */
if (res)
g_object_unref (res);
if (!dec) {
if (err && !*err)
mu_util_g_set_error (err, MU_ERROR_CRYPTO,
"decryption failed");
return NULL;
}
return dec;
}
GSList*
mu_msg_mime_sig_infos (GMimeMultipartSigned *sigmpart, MuMsgOptions opts,
GError **err)
{
int i;
GMimeSignatureList *sigs;
GMimeCryptoContext *cctx;
GSList *siginfos;
if (!GMIME_IS_MULTIPART_SIGNED (sigmpart)) {
mu_util_g_set_error (err, MU_ERROR_IN_PARAMETERS,
"not a multipart/signed part");
return NULL; /* error */
}
/* dummy is good, since we don't need a password when checking
* signatures */
cctx = get_crypto_context (opts, dummy_password_func, NULL, err);
if (!cctx) /* return a fake siginfos with the error */
return error_sig_infos (); /* error */
sigs = g_mime_multipart_signed_verify (sigmpart, cctx, err);
g_object_unref (cctx);
if (!sigs)
return NULL; /* error */
for (i = 0, siginfos = NULL; i != g_mime_signature_list_length (sigs); ++i) {
MuMsgPartSigInfo *siginfo;
siginfo = sig_info_new
(g_mime_signature_list_get_signature (sigs, i));
siginfos = g_slist_prepend (siginfos, siginfo);
}
return siginfos;
}