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-rw-r--r--camel/ChangeLog12
-rw-r--r--camel/camel-pgp-context.c1
-rw-r--r--camel/camel-pgp-context.h17
-rw-r--r--camel/camel-pgp-mime.c501
-rw-r--r--camel/camel-pgp-mime.h62
5 files changed, 585 insertions, 8 deletions
diff --git a/camel/ChangeLog b/camel/ChangeLog
index c2f0eb2e12..63de9500f6 100644
--- a/camel/ChangeLog
+++ b/camel/ChangeLog
@@ -1,3 +1,15 @@
+2001-04-02 Jeffrey Stedfast <fejj@ximian.com>
+
+ * camel-pgp-context.h: Update the function prototypes to match
+ those found in camel-pgp-context.c.
+
+ * camel-pgp-context.c: Updated.
+
+ * camel-pgp-mime.c (camel_pgp_mime_part_sign): Implemented.
+ (camel_pgp_mime_part_verify): Implemented.
+ (camel_pgp_mime_part_encrypt): Implemented.
+ (camel_pgp_mime_part_decrypt): Implemented.
+
2001-04-01 Jeffrey Stedfast <fejj@ximian.com>
* camel-sasl-login.[c,h]: New files to handle the LOGIN SASL
diff --git a/camel/camel-pgp-context.c b/camel/camel-pgp-context.c
index 5b435a6941..3193f5d8b2 100644
--- a/camel/camel-pgp-context.c
+++ b/camel/camel-pgp-context.c
@@ -473,6 +473,7 @@ crypto_exec_with_passwd (const char *path, char *argv[], const char *input, int
/**
* camel_pgp_sign:
* @context: PGP Context
+ * @userid: private key to use to sign the stream
* @hash: preferred Message-Integrity-Check hash algorithm
* @istream: input stream
* @ostream: output stream
diff --git a/camel/camel-pgp-context.h b/camel/camel-pgp-context.h
index 3dc2de4920..df3da0467e 100644
--- a/camel/camel-pgp-context.h
+++ b/camel/camel-pgp-context.h
@@ -74,19 +74,20 @@ CamelType camel_pgp_context_get_type (void);
CamelPgpContext *camel_pgp_context_new (CamelSession *session, CamelPgpType type, const char *path);
/* PGP routines */
-int camel_pgp_sign (CamelPgpContext *ctx, CamelPgpHashType hash, CamelStream *istream,
- CamelStream *ostream, CamelException *ex);
+int camel_pgp_sign (CamelPgpContext *context, const char *userid, CamelPgpHashType hash,
+ CamelStream *istream, CamelStream *ostream, CamelException *ex);
-int camel_pgp_clearsign (CamelPgpContext *ctx, CamelPgpHashType hash, CamelStream *istream,
- CamelStream *ostream, CamelException *ex);
+int camel_pgp_clearsign (CamelPgpContext *context, const char *userid, CamelPgpHashType hash,
+ CamelStream *istream, CamelStream *ostream, CamelException *ex);
-CamelPgpValidity *camel_pgp_verify (CamelPgpContext *ctx, CamelStream *istream, CamelStream *sigstream,
+CamelPgpValidity *camel_pgp_verify (CamelPgpContext *context, CamelStream *istream, CamelStream *sigstream,
CamelException *ex);
-int camel_pgp_encrypt (CamelPgpContext *ctx, gboolean sign, CamelPgpHashType hash,
- CamelStream *cleartext, CamelStream *ciphertext, CamelException *ex);
+int camel_pgp_encrypt (CamelPgpContext *context, gboolean sign, const char *userid,
+ GPtrArray *recipients, CamelStream *istream, CamelStream *ostream,
+ CamelException *ex);
-int camel_pgp_decrypt (CamelPgpContext *ctx, CamelStream *ciphertext, CamelStream *cleartext,
+int camel_pgp_decrypt (CamelPgpContext *context, CamelStream *istream, CamelStream *ostream,
CamelException *ex);
/* CamelPgpValidity utility functions */
diff --git a/camel/camel-pgp-mime.c b/camel/camel-pgp-mime.c
new file mode 100644
index 0000000000..6d256ba0b2
--- /dev/null
+++ b/camel/camel-pgp-mime.c
@@ -0,0 +1,501 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Authors: Jeffrey Stedfast <fejj@ximian.com>
+ *
+ * Copyright 2001 Ximian, Inc. (www.ximian.com)
+ *
+ * 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 Street #330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "camel-pgp-mime.h"
+#inlcude "camel-mime-filter-from.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+/** rfc2015 stuff (aka PGP/MIME) *******************************/
+
+gboolean
+camel_pgp_mime_is_rfc2015_signed (CamelMimePart *mime_part)
+{
+ CamelDataWrapper *wrapper;
+ CamelMultipart *mp;
+ CamelMimePart *part;
+ CamelContentType *type;
+ const gchar *param, *micalg;
+ int nparts;
+
+ /* check that we have a multipart/signed */
+ type = camel_mime_part_get_content_type (mime_part);
+ if (!header_content_type_is (type, "multipart", "signed"))
+ return FALSE;
+
+ /* check that we have a protocol param with the value: "application/pgp-signed" */
+ param = header_content_type_param (type, "protocol");
+ if (!param || g_strcasecmp (param, "application/pgp-signature"))
+ return FALSE;
+
+ /* check that we have a micalg parameter */
+ micalg = header_content_type_param (type, "micalg");
+ if (!micalg)
+ return FALSE;
+
+ /* check that we have exactly 2 subparts */
+ wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (mime_part));
+ mp = CAMEL_MULTIPART (wrapper);
+ nparts = camel_multipart_get_number (mp);
+ if (nparts != 2)
+ return FALSE;
+
+ /* The first part may be of any type except for
+ * application/pgp-signature - check it. */
+ part = camel_multipart_get_part (mp, 0);
+ type = camel_mime_part_get_content_type (part);
+ if (header_content_type_is (type, "application", "pgp-signature"))
+ return FALSE;
+
+ /* The second part should be application/pgp-signature. */
+ part = camel_multipart_get_part (mp, 1);
+ type = camel_mime_part_get_content_type (part);
+ if (!header_content_type_is (type, "application", "pgp-signature"))
+ return FALSE;
+
+ return TRUE;
+}
+
+gboolean
+camel_pgp_mime_is_rfc2015_encrypted (CamelMimePart *mime_part)
+{
+ CamelDataWrapper *wrapper;
+ CamelMultipart *mp;
+ CamelMimePart *part;
+ CamelContentType *type;
+ const gchar *param;
+ int nparts;
+
+ /* check that we have a multipart/encrypted */
+ type = camel_mime_part_get_content_type (mime_part);
+ if (!header_content_type_is (type, "multipart", "encrypted"))
+ return FALSE;
+
+ /* check that we have a protocol param with the value: "application/pgp-encrypted" */
+ param = header_content_type_param (type, "protocol");
+ if (!param || g_strcasecmp (param, "application/pgp-encrypted"))
+ return FALSE;
+
+ /* check that we have at least 2 subparts */
+ wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (mime_part));
+ mp = CAMEL_MULTIPART (wrapper);
+ nparts = camel_multipart_get_number (mp);
+ if (nparts < 2)
+ return FALSE;
+
+ /* The first part should be application/pgp-encrypted */
+ part = camel_multipart_get_part (mp, 0);
+ type = camel_mime_part_get_content_type (part);
+ if (!header_content_type_is (type, "application", "pgp-encrypted"))
+ return FALSE;
+
+ /* The second part should be application/octet-stream - this
+ is the one we care most about */
+ part = camel_multipart_get_part (mp, 1);
+ type = camel_mime_part_get_content_type (part);
+ if (!header_content_type_is (type, "application", "octet-stream"))
+ return FALSE;
+
+ return TRUE;
+}
+
+
+static void
+pgp_mime_part_sign_restore_part (CamelMimePart *mime_part, GSList *encodings)
+{
+ CamelDataWrapper *wrapper;
+
+ wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (mime_part));
+ if (!wrapper)
+ return;
+
+ if (CAMEL_IS_MULTIPART (wrapper)) {
+ int parts, i;
+
+ parts = camel_multipart_get_number (CAMEL_MULTIPART (wrapper));
+ for (i = 0; i < parts; i++) {
+ CamelMimePart *part = camel_multipart_get_part (CAMEL_MULTIPART (wrapper), i);
+
+ pgp_mime_part_sign_restore_part (part, encodings);
+ encodings = encodings->next;
+ }
+ } else {
+ CamelMimePartEncodingType encoding;
+
+ encoding = GPOINTER_TO_INT (encodings->data);
+
+ camel_mime_part_set_encoding (mime_part, encoding);
+ }
+}
+
+static void
+pgp_mime_part_sign_prepare_part (CamelMimePart *mime_part, GSList **encodings)
+{
+ CamelDataWrapper *wrapper;
+ int parts, i;
+
+ wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (mime_part));
+ if (!wrapper)
+ return;
+
+ if (CAMEL_IS_MULTIPART (wrapper)) {
+ parts = camel_multipart_get_number (CAMEL_MULTIPART (wrapper));
+ for (i = 0; i < parts; i++) {
+ CamelMimePart *part = camel_multipart_get_part (CAMEL_MULTIPART (wrapper), i);
+
+ pgp_mime_part_sign_prepare_part (part, encodings);
+ }
+ } else {
+ CamelMimePartEncodingType encoding;
+
+ encoding = camel_mime_part_get_encoding (mime_part);
+
+ /* FIXME: find the best encoding for this part and use that instead?? */
+ /* the encoding should really be QP or Base64 */
+ if (encoding != CAMEL_MIME_PART_ENCODING_BASE64)
+ camel_mime_part_set_encoding (mime_part, CAMEL_MIME_PART_ENCODING_QUOTEDPRINTABLE);
+
+ *encodings = g_slist_append (*encodings, GINT_TO_POINTER (encoding));
+ }
+}
+
+
+/**
+ * camel_pgp_mime_part_sign:
+ * @context: PGP Context
+ * @mime_part: a MIME part that will be replaced by a pgp signed part
+ * @userid: userid to sign with
+ * @hash: one of CAMEL_PGP_HASH_TYPE_MD5 or CAMEL_PGP_HASH_TYPE_SHA1
+ * @ex: exception which will be set if there are any errors.
+ *
+ * Constructs a PGP/MIME multipart in compliance with rfc2015 and
+ * replaces @part with the generated multipart/signed. On failure,
+ * @ex will be set and #part will remain untouched.
+ **/
+void
+camel_pgp_mime_part_sign (CamelPgpContext *context, CamelMimePart **mime_part, const gchar *userid,
+ PgpHashType hash, CamelException *ex)
+{
+ CamelMimePart *part, *signed_part;
+ CamelMultipart *multipart;
+ CamelContentType *mime_type;
+ CamelStreamFilter *filtered_stream;
+ CamelMimeFilter *crlf_filter, *from_filter;
+ CamelStream *stream, *sigstream;
+ gchar *hash_type = NULL;
+ GSList *encodings = NULL;
+
+ g_return_if_fail (*mime_part != NULL);
+ g_return_if_fail (CAMEL_IS_MIME_PART (*mime_part));
+ g_return_if_fail (userid != NULL);
+ g_return_if_fail (hash != PGP_HASH_TYPE_NONE);
+
+ part = *mime_part;
+
+ /* Prepare all the parts for signing... */
+ pgp_mime_part_sign_prepare_part (part, &encodings);
+
+ /* get the cleartext */
+ stream = camel_stream_mem_new ();
+ crlf_filter = camel_mime_filter_crlf_new (CAMEL_MIME_FILTER_CRLF_ENCODE,
+ CAMEL_MIME_FILTER_CRLF_MODE_CRLF_ONLY);
+ from_filter = CAMEL_MIME_FILTER (camel_mime_filter_from_new ());
+ filtered_stream = camel_stream_filter_new_with_stream (stream);
+ camel_stream_filter_add (filtered_stream, CAMEL_MIME_FILTER (crlf_filter));
+ camel_object_unref (CAMEL_OBJECT (crlf_filter));
+ camel_stream_filter_add (filtered_stream, CAMEL_MIME_FILTER (from_filter));
+ camel_object_unref (CAMEL_OBJECT (from_filter));
+ camel_data_wrapper_write_to_stream (CAMEL_DATA_WRAPPER (part), CAMEL_STREAM (filtered_stream));
+ camel_object_unref (CAMEL_OBJECT (filtered_stream));
+
+ /* reset the stream */
+ camel_stream_reset (stream);
+
+ /* construct the signature stream */
+ sigstream = camel_stream_mem_new ();
+
+ /* get the signature */
+ if (camel_pgp_sign (context, userid, hash, stream, sigstream, ex) == -1) {
+ camel_object_unref (CAMEL_OBJECT (stream));
+ camel_object_unref (CAMEL_OBJECT (sigstream));
+
+ /* restore the original encoding */
+ pgp_mime_part_sign_restore_part (part, encodings);
+ g_slist_free (encodings);
+ return;
+ }
+ camel_object_unref (CAMEL_OBJECT (stream));
+
+ /* we don't need these anymore... */
+ g_slist_free (encodings);
+
+ /* construct the pgp-signature mime part */
+ d(fprintf (stderr, "signature:\n%*.s\n", CAMEL_STREAM_MEM (sigstream)->buf->len,
+ CAMEL_STREAM_MEM (sigstream)->buf->data));
+ signed_part = camel_mime_part_new ();
+ camel_data_wrapper_construct_from_stream (CAMEL_DATA_WRAPPER (signed_part), sigstream);
+ camel_object_unref (CAMEL_OBJECT (sigstream));
+ camel_mime_part_set_content_type (signed_part, "application/pgp-signature");
+
+ /* construct the container multipart/signed */
+ switch (hash) {
+ case PGP_HASH_TYPE_MD5:
+ hash_type = "pgp-md5";
+ break;
+ case PGP_HASH_TYPE_SHA1:
+ hash_type = "pgp-sha1";
+ break;
+ default:
+ hash_type = "pgp-sha1";
+ break;
+ }
+
+ multipart = camel_multipart_new ();
+
+ mime_type = header_content_type_new ("multipart", "signed");
+ header_content_type_set_param (mime_type, "micalg", hash_type);
+ header_content_type_set_param (mime_type, "protocol", "application/pgp-signature");
+ camel_data_wrapper_set_mime_type_field (CAMEL_DATA_WRAPPER (multipart), mime_type);
+ header_content_type_unref (mime_type);
+
+ camel_multipart_set_boundary (multipart, NULL);
+
+ /* add the parts to the multipart */
+ camel_multipart_add_part (multipart, part);
+ camel_object_unref (CAMEL_OBJECT (part));
+ camel_multipart_add_part (multipart, signed_part);
+ camel_object_unref (CAMEL_OBJECT (signed_part));
+
+ /* replace the input part with the output part */
+ *mime_part = camel_mime_part_new ();
+ camel_medium_set_content_object (CAMEL_MEDIUM (*mime_part),
+ CAMEL_DATA_WRAPPER (multipart));
+ camel_object_unref (CAMEL_OBJECT (multipart));
+}
+
+
+/**
+ * camel_pgp_mime_part_verify:
+ * @context: PGP Context
+ * @mime_part: a multipart/signed MIME Part
+ * @ex: exception
+ *
+ * Returns a PgpValidity on success or NULL on fail.
+ **/
+PgpValidity *
+camel_pgp_mime_part_verify (CamelPgpContext *context, CamelMimePart *mime_part, CamelException *ex)
+{
+ CamelDataWrapper *wrapper;
+ CamelMultipart *multipart;
+ CamelMimePart *part, *sigpart;
+ CamelStreamFilter *filtered_stream;
+ CamelMimeFilter *crlf_filter;
+ CamelStream *stream, *sigstream;
+ PgpValidity *valid;
+
+ g_return_val_if_fail (mime_part != NULL, NULL);
+ g_return_val_if_fail (CAMEL_IS_MIME_PART (mime_part), NULL);
+
+ if (!camel_pgp_mime_is_rfc2015_signed (mime_part))
+ return NULL;
+
+ wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (mime_part));
+ multipart = CAMEL_MULTIPART (wrapper);
+
+ /* get the plain part */
+ part = camel_multipart_get_part (multipart, 0);
+ stream = camel_stream_mem_new ();
+ crlf_filter = camel_mime_filter_crlf_new (CAMEL_MIME_FILTER_CRLF_ENCODE,
+ CAMEL_MIME_FILTER_CRLF_MODE_CRLF_ONLY);
+ filtered_stream = camel_stream_filter_new_with_stream (stream);
+ camel_stream_filter_add (filtered_stream, CAMEL_MIME_FILTER (crlf_filter));
+ camel_object_unref (CAMEL_OBJECT (crlf_filter));
+ camel_data_wrapper_write_to_stream (CAMEL_DATA_WRAPPER (part), CAMEL_STREAM (filtered_stream));
+ camel_object_unref (CAMEL_OBJECT (filtered_stream));
+ camel_stream_reset (stream);
+
+ /* get the signed part */
+ sigpart = camel_multipart_get_part (multipart, 1);
+ sigstream = camel_stream_mem_new ();
+ camel_data_wrapper_write_to_stream (camel_medium_get_content_object (CAMEL_MEDIUM (sigpart)),
+ sigstream);
+ camel_stream_reset (sigstream);
+
+ /* verify */
+ valid = camel_pgp_verify (context, stream, sigstream, ex);
+
+ camel_object_unref (CAMEL_OBJECT (sigstream));
+ camel_object_unref (CAMEL_OBJECT (stream));
+
+ return valid;
+}
+
+
+/**
+ * camel_pgp_mime_part_encrypt:
+ * @context: PGP Context
+ * @mime_part: a MIME part that will be replaced by a pgp encrypted part
+ * @recipients: list of recipient PGP Key IDs
+ * @ex: exception which will be set if there are any errors.
+ *
+ * Constructs a PGP/MIME multipart in compliance with rfc2015 and
+ * replaces #mime_part with the generated multipart/signed. On failure,
+ * #ex will be set and #part will remain untouched.
+ **/
+void
+camel_pgp_mime_part_encrypt (CamelPgpContext *context, CamelMimePart **mime_part,
+ const GPtrArray *recipients, CamelException *ex)
+{
+ CamelMultipart *multipart;
+ CamelMimePart *part, *version_part, *encrypted_part;
+ CamelContentType *mime_type;
+ CamelStreamFilter *filtered_stream;
+ CamelMimeFilter *crlf_filter;
+ CamelStream *stream, *ciphertext;
+
+ g_return_if_fail (*mime_part != NULL);
+ g_return_if_fail (CAMEL_IS_MIME_PART (*mime_part));
+ g_return_if_fail (recipients != NULL);
+
+ part = *mime_part;
+
+ /* get the contents */
+ stream = camel_stream_mem_new ();
+ crlf_filter = camel_mime_filter_crlf_new (CAMEL_MIME_FILTER_CRLF_ENCODE,
+ CAMEL_MIME_FILTER_CRLF_MODE_CRLF_ONLY);
+ filtered_stream = camel_stream_filter_new_with_stream (stream);
+ camel_stream_filter_add (filtered_stream, CAMEL_MIME_FILTER (crlf_filter));
+ camel_object_unref (CAMEL_OBJECT (crlf_filter));
+ camel_data_wrapper_write_to_stream (CAMEL_DATA_WRAPPER (part), CAMEL_STREAM (filtered_stream));
+ camel_object_unref (CAMEL_OBJECT (filtered_stream));
+ camel_stream_reset (stream);
+
+ /* pgp encrypt */
+ ciphertext = camel_stream_mem_new ();
+ if (camel_pgp_encrypt (context, FALSE, NULL, recipients, stream, ciphertext, ex) == -1) {
+ camel_object_unref (CAMEL_OBJECT (stream));
+ camel_object_unref (CAMEL_OBJECT (ciphertext));
+ return;
+ }
+
+ camel_object_unref (CAMEL_OBJECT (stream));
+ camel_stream_reset (ciphertext);
+
+ /* construct the version part */
+ version_part = camel_mime_part_new ();
+ camel_mime_part_set_encoding (version_part, CAMEL_MIME_PART_ENCODING_7BIT);
+ camel_mime_part_set_content (version_part, "Version: 1", strlen ("Version: 1"),
+ "application/pgp-encrypted");
+
+ /* construct the pgp-encrypted mime part */
+ encrypted_part = camel_mime_part_new ();
+ camel_data_wrapper_construct_from_stream (CAMEL_DATA_WRAPPER (encrypted_part), ciphertext);
+ camel_object_unref (CAMEL_OBJECT (ciphertext));
+ camel_mime_part_set_content_type (encrypted_part, "application/octet-stream");
+ camel_mime_part_set_encoding (encrypted_part, CAMEL_MIME_PART_ENCODING_7BIT);
+
+ /* construct the container multipart/signed */
+ multipart = camel_multipart_new ();
+
+ mime_type = header_content_type_new ("multipart", "encrypted");
+ header_content_type_set_param (mime_type, "protocol", "application/pgp-encrypted");
+ camel_data_wrapper_set_mime_type_field (CAMEL_DATA_WRAPPER (multipart), mime_type);
+ header_content_type_unref (mime_type);
+
+ camel_multipart_set_boundary (multipart, NULL);
+
+ /* add the parts to the multipart */
+ camel_multipart_add_part (multipart, version_part);
+ camel_object_unref (CAMEL_OBJECT (version_part));
+ camel_multipart_add_part (multipart, encrypted_part);
+ camel_object_unref (CAMEL_OBJECT (encrypted_part));
+
+ /* replace the input part with the output part */
+ camel_object_unref (CAMEL_OBJECT (*mime_part));
+ *mime_part = camel_mime_part_new ();
+ camel_medium_set_content_object (CAMEL_MEDIUM (*mime_part),
+ CAMEL_DATA_WRAPPER (multipart));
+ camel_object_unref (CAMEL_OBJECT (multipart));
+}
+
+
+/**
+ * camel_pgp_mime_part_decrypt:
+ * @context: PGP Context
+ * @mime_part: a multipart/encrypted MIME Part
+ * @ex: exception
+ *
+ * Returns the decrypted MIME Part on success or NULL on fail.
+ **/
+CamelMimePart *
+camel_pgp_mime_part_decrypt (CamelPgpContext *context, CamelMimePart *mime_part, CamelException *ex)
+{
+ CamelDataWrapper *wrapper;
+ CamelMultipart *multipart;
+ CamelMimePart *encrypted_part, *part;
+ CamelContentType *mime_type;
+ CamelStream *stream, *ciphertext;
+
+ g_return_val_if_fail (mime_part != NULL, NULL);
+ g_return_val_if_fail (CAMEL_IS_MIME_PART (mime_part), NULL);
+
+ /* make sure the mime part is a multipart/encrypted */
+ if (!camel_pgp_mime_is_rfc2015_encrypted (mime_part))
+ return NULL;
+
+ wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (mime_part));
+ multipart = CAMEL_MULTIPART (wrapper);
+
+ /* get the encrypted part (second part) */
+ encrypted_part = camel_multipart_get_part (multipart, 1 /* second part starting at 0 */);
+ mime_type = camel_mime_part_get_content_type (encrypted_part);
+ if (!header_content_type_is (mime_type, "application", "octet-stream"))
+ return NULL;
+
+ /* get the ciphertext */
+ ciphertext = camel_stream_mem_new ();
+ camel_data_wrapper_write_to_stream (CAMEL_DATA_WRAPPER (encrypted_part), ciphertext);
+
+ /* get the cleartext */
+ stream = camel_stream_mem_new ();
+ if (camel_pgp_decrypt (context, ciphertext, stream, ex) == -1) {
+ camel_object_unref (CAMEL_OBJECT (ciphertext));
+ camel_object_unref (CAMEL_OBJECT (stream));
+ return NULL;
+ }
+
+ camel_object_unref (CAMEL_OBJECT (ciphertext));
+ camel_stream_reset (stream);
+
+ /* construct the new decrypted mime part from the stream */
+ part = camel_mime_part_new ();
+ camel_data_wrapper_construct_from_stream (CAMEL_DATA_WRAPPER (part), stream);
+ camel_object_unref (CAMEL_OBJECT (stream));
+
+ return part;
+}
diff --git a/camel/camel-pgp-mime.h b/camel/camel-pgp-mime.h
new file mode 100644
index 0000000000..92c27d0798
--- /dev/null
+++ b/camel/camel-pgp-mime.h
@@ -0,0 +1,62 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Authors: Jeffrey Stedfast <fejj@ximian.com>
+ *
+ * Copyright 2001 Ximain, Inc. (www.ximian.com)
+ *
+ * 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 Street #330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+
+#ifndef CAMEL_PGP_MIME_H
+#define CAMEL_PGP_MIME_H
+
+#include <glib.h>
+#include <camel/camel-mime-part.h>
+#include <camel/camel-pgp-context.h>
+
+#ifdef __cplusplus
+extern "C" {
+#pragma }
+#endif /* __cplusplus */
+
+gboolean camel_pgp_mime_is_rfc2015_signed (CamelMimePart *part);
+gboolean camel_pgp_mime_is_rfc2015_encrypted (CamelMimePart *part);
+
+void camel_pgp_mime_part_sign (CamelPgpContext *context,
+ CamelMimePart **mime_part,
+ const gchar *userid,
+ CamelPgpHashType hash,
+ CamelException *ex);
+
+CamelPgpValidity *camel_pgp_mime_part_verify (CamelPgpContext,
+ CamelMimePart *mime_part,
+ CamelException *ex);
+
+void camel_pgp_mime_part_encrypt (CamelPgpContext *context,
+ CamelMimePart **mime_part,
+ const GPtrArray *recipients,
+ CamelException *ex);
+
+CamelMimePart *camel_pgp_mime_part_decrypt (CamelPgpContext *context,
+ CamelMimePart *mime_part,
+ CamelException *ex);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* ! CAMEL_PGP_MIME_H */
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