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Diffstat (limited to 'camel/camel-multipart-signed.c')
| -rw-r--r-- | camel/camel-multipart-signed.c | 763 |
1 files changed, 0 insertions, 763 deletions
diff --git a/camel/camel-multipart-signed.c b/camel/camel-multipart-signed.c deleted file mode 100644 index 5dca448a7f..0000000000 --- a/camel/camel-multipart-signed.c +++ /dev/null @@ -1,763 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- - * camel-multipart.c : Abstract class for a multipart - * - * Authors: Michael Zucchi <notzed@ximian.com> - * - * Copyright 2002 Ximian, Inc. (www.ximian.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * 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 - -#ifdef HAVE_ALLOCA_H -#include <alloca.h> -#endif - -#include <stdio.h> - -#include <string.h> -#include <unistd.h> -#include <time.h> - -#include <errno.h> - -#include "camel-mime-part.h" -#include "camel-mime-message.h" -#include "camel-mime-parser.h" -#include "camel-stream-mem.h" -#include "camel-multipart-signed.h" -#include "camel-mime-part.h" -#include "camel-exception.h" -#include "md5-utils.h" - -#include "camel-stream-filter.h" -#include "camel-seekable-substream.h" -#include "camel-mime-filter-crlf.h" -#include "camel-mime-filter-canon.h" - -#define d(x) /*(printf("%s(%d): ", __FILE__, __LINE__),(x)) - #include <stdio.h>;*/ - -static void signed_add_part (CamelMultipart *multipart, CamelMimePart *part); -static void signed_add_part_at (CamelMultipart *multipart, CamelMimePart *part, guint index); -static void signed_remove_part (CamelMultipart *multipart, CamelMimePart *part); -static CamelMimePart *signed_remove_part_at (CamelMultipart *multipart, guint index); -static CamelMimePart *signed_get_part (CamelMultipart *multipart, guint index); -static guint signed_get_number (CamelMultipart *multipart); - -static ssize_t write_to_stream (CamelDataWrapper *data_wrapper, CamelStream *stream); -static void set_mime_type_field (CamelDataWrapper *data_wrapper, CamelContentType *mime_type); -static int construct_from_stream (CamelDataWrapper *data_wrapper, CamelStream *stream); -static int signed_construct_from_parser (CamelMultipart *multipart, struct _CamelMimeParser *mp); - -static CamelMultipartClass *parent_class = NULL; - -/* Returns the class for a CamelMultipartSigned */ -#define CMP_CLASS(so) CAMEL_MULTIPART_SIGNED_CLASS (CAMEL_OBJECT_GET_CLASS(so)) - -/* Returns the class for a CamelDataWrapper */ -#define CDW_CLASS(so) CAMEL_DATA_WRAPPER_CLASS (CAMEL_OBJECT_GET_CLASS(so)) - -static void -camel_multipart_signed_class_init (CamelMultipartSignedClass *camel_multipart_signed_class) -{ - CamelDataWrapperClass *camel_data_wrapper_class = CAMEL_DATA_WRAPPER_CLASS(camel_multipart_signed_class); - CamelMultipartClass *mpclass = (CamelMultipartClass *)camel_multipart_signed_class; - - parent_class = (CamelMultipartClass *)camel_multipart_get_type(); - - /* virtual method overload */ - camel_data_wrapper_class->construct_from_stream = construct_from_stream; - camel_data_wrapper_class->write_to_stream = write_to_stream; - camel_data_wrapper_class->decode_to_stream = write_to_stream; - camel_data_wrapper_class->set_mime_type_field = set_mime_type_field; - - mpclass->add_part = signed_add_part; - mpclass->add_part_at = signed_add_part_at; - mpclass->remove_part = signed_remove_part; - mpclass->remove_part_at = signed_remove_part_at; - mpclass->get_part = signed_get_part; - mpclass->get_number = signed_get_number; - mpclass->construct_from_parser = signed_construct_from_parser; - -/* - mpclass->get_boundary = signed_get_boundary; - mpclass->set_boundary = signed_set_boundary; -*/ -} - -static void -camel_multipart_signed_init (gpointer object, gpointer klass) -{ - CamelMultipartSigned *multipart = (CamelMultipartSigned *)object; - - camel_data_wrapper_set_mime_type(CAMEL_DATA_WRAPPER(multipart), "multipart/signed"); - multipart->start1 = -1; -} - -static void -camel_multipart_signed_finalize (CamelObject *object) -{ - CamelMultipartSigned *mps = (CamelMultipartSigned *)object; - - g_free(mps->protocol); - g_free(mps->micalg); - if (mps->signature) - camel_object_unref((CamelObject *)mps->signature); - if (mps->content) - camel_object_unref((CamelObject *)mps->content); - if (mps->contentraw) - camel_object_unref((CamelObject *)mps->contentraw); -} - -CamelType -camel_multipart_signed_get_type (void) -{ - static CamelType camel_multipart_signed_type = CAMEL_INVALID_TYPE; - - if (camel_multipart_signed_type == CAMEL_INVALID_TYPE) { - camel_multipart_signed_type = camel_type_register (camel_multipart_get_type (), "CamelMultipartSigned", - sizeof (CamelMultipartSigned), - sizeof (CamelMultipartSignedClass), - (CamelObjectClassInitFunc) camel_multipart_signed_class_init, - NULL, - (CamelObjectInitFunc) camel_multipart_signed_init, - (CamelObjectFinalizeFunc) camel_multipart_signed_finalize); - } - - return camel_multipart_signed_type; -} - -/** - * camel_multipart_signed_new: - * - * Create a new CamelMultipartSigned object. - * - * A MultipartSigned should be used to store and create parts of - * type "multipart/signed". This is because multipart/signed is - * entirely broken-by-design (tm) and uses completely - * different semantics to other mutlipart types. It must be treated - * as opaque data by any transport. See rfc 3156 for details. - * - * There are 3 ways to create the part: - * Use construct_from_stream. If this is used, then you must - * set the mime_type appropriately to match the data uses, so - * that the multiple parts my be extracted. - * - * Use construct_from_parser. The parser MUST be in the CAMEL_MIME_PARSER_STATE_HEADER - * state, and the current content_type MUST be "multipart/signed" with - * the appropriate boundary and it SHOULD include the appropriate protocol - * and hash specifiers. - * - * Use sign_part. A signature part will automatically be created - * and the whole part may be written using write_to_stream to - * create a 'transport-safe' version (as safe as can be expected with - * such a broken specification). - * - * Return value: a new CamelMultipartSigned - **/ -CamelMultipartSigned * -camel_multipart_signed_new (void) -{ - CamelMultipartSigned *multipart; - - multipart = (CamelMultipartSigned *)camel_object_new(CAMEL_MULTIPART_SIGNED_TYPE); - - return multipart; -} - -/* find the next boundary @bound from @start, return the start of the actual data - @end points to the end of the data BEFORE the boundary */ -static char *parse_boundary(char *start, const char *bound, char **end) -{ - char *data, *begin; - - begin = strstr(start, bound); - if (begin == NULL) - return NULL; - - data = begin+strlen(bound); - if (begin > start && begin[-1] == '\n') - begin--; - if (begin > start && begin[-1] == '\r') - begin--; - if (data[0] == '\r') - data++; - if (data[0] == '\n') - data++; - - *end = begin; - return data; -} - -/* yeah yuck. - Well, we could probably use the normal mime parser, but then it would change our - headers. - This is good enough ... till its not! */ -static int -parse_content(CamelMultipartSigned *mps) -{ - CamelMultipart *mp = (CamelMultipart *)mps; - char *start, *end, *start2, *end2, *last, *post; - CamelStreamMem *mem; - char *bound; - const char *boundary; - - boundary = camel_multipart_get_boundary(mp); - if (boundary == NULL) { - g_warning("Trying to get multipart/signed content without setting boundary first"); - return -1; - } - - /* turn it into a string, and 'fix' it up */ - /* this is extremely dodgey but should work! */ - mem = (CamelStreamMem *)((CamelDataWrapper *)mps)->stream; - if (mem == NULL) { - g_warning("Trying to parse multipart/signed without constructing first"); - return -1; - } - - camel_stream_write((CamelStream *)mem, "", 1); - g_byte_array_set_size(mem->buffer, mem->buffer->len-1); - last = mem->buffer->data + mem->buffer->len; - - bound = alloca(strlen(boundary)+5); - sprintf(bound, "--%s", boundary); - - start = parse_boundary(mem->buffer->data, bound, &end); - if (start == NULL || start[0] == 0) - return -1; - - if (end > (char *)mem->buffer->data) { - char *tmp = g_strndup(mem->buffer->data, start-(char *)mem->buffer->data-1); - camel_multipart_set_preface(mp, tmp); - g_free(tmp); - } - - start2 = parse_boundary(start, bound, &end); - if (start2 == NULL || start2[0] == 0) - return -1; - - sprintf(bound, "--%s--", boundary); - post = parse_boundary(start2, bound, &end2); - if (post == NULL) - return -1; - - if (post[0]) - camel_multipart_set_postface(mp, post); - - mps->start1 = start-(char *)mem->buffer->data; - mps->end1 = end-(char *)mem->buffer->data; - mps->start2 = start2-(char *)mem->buffer->data; - mps->end2 = end2-(char *)mem->buffer->data; - - return 0; -} - -/* we snoop the mime type to get boundary and hash info */ -static void -set_mime_type_field(CamelDataWrapper *data_wrapper, CamelContentType *mime_type) -{ - CamelMultipartSigned *mps = (CamelMultipartSigned *)data_wrapper; - - ((CamelDataWrapperClass *)parent_class)->set_mime_type_field(data_wrapper, mime_type); - if (mime_type) { - const char *micalg, *protocol; - - protocol = camel_content_type_param(mime_type, "protocol"); - g_free(mps->protocol); - mps->protocol = g_strdup(protocol); - - micalg = camel_content_type_param(mime_type, "micalg"); - g_free(mps->micalg); - mps->micalg = g_strdup(micalg); - } -} - -static void -signed_add_part(CamelMultipart *multipart, CamelMimePart *part) -{ - g_warning("Cannot add parts to a signed part using add_part"); -} - -static void -signed_add_part_at(CamelMultipart *multipart, CamelMimePart *part, guint index) -{ - g_warning("Cannot add parts to a signed part using add_part_at"); -} - -static void -signed_remove_part(CamelMultipart *multipart, CamelMimePart *part) -{ - g_warning("Cannot remove parts from a signed part using remove_part"); -} - -static CamelMimePart * -signed_remove_part_at (CamelMultipart *multipart, guint index) -{ - g_warning("Cannot remove parts from a signed part using remove_part"); - return NULL; -} - -static CamelMimePart * -signed_get_part(CamelMultipart *multipart, guint index) -{ - CamelMultipartSigned *mps = (CamelMultipartSigned *)multipart; - CamelDataWrapper *dw = (CamelDataWrapper *)multipart; - CamelStream *stream; - - switch (index) { - case CAMEL_MULTIPART_SIGNED_CONTENT: - if (mps->content) - return mps->content; - if (mps->contentraw) { - stream = mps->contentraw; - camel_object_ref((CamelObject *)stream); - } else if (mps->start1 == -1 - && parse_content(mps) == -1 - && (stream = ((CamelDataWrapper *)mps)->stream) == NULL) { - g_warning("Trying to get content on an invalid multipart/signed"); - return NULL; - } else if (dw->stream == NULL) { - return NULL; - } else if (mps->start1 == -1) { - stream = dw->stream; - camel_object_ref(stream); - } else { - stream = camel_seekable_substream_new((CamelSeekableStream *)dw->stream, mps->start1, mps->end1); - } - camel_stream_reset(stream); - mps->content = camel_mime_part_new(); - camel_data_wrapper_construct_from_stream((CamelDataWrapper *)mps->content, stream); - camel_object_unref(stream); - return mps->content; - case CAMEL_MULTIPART_SIGNED_SIGNATURE: - if (mps->signature) - return mps->signature; - if (mps->start1 == -1 - && parse_content(mps) == -1) { - g_warning("Trying to get signature on invalid multipart/signed"); - return NULL; - } else if (dw->stream == NULL) { - return NULL; - } - stream = camel_seekable_substream_new((CamelSeekableStream *)dw->stream, mps->start2, mps->end2); - camel_stream_reset(stream); - mps->signature = camel_mime_part_new(); - camel_data_wrapper_construct_from_stream((CamelDataWrapper *)mps->signature, stream); - camel_object_unref((CamelObject *)stream); - return mps->signature; - default: - g_warning("trying to get object out of bounds for multipart"); - } - - return NULL; -} - -static guint -signed_get_number(CamelMultipart *multipart) -{ - CamelDataWrapper *dw = (CamelDataWrapper *)multipart; - CamelMultipartSigned *mps = (CamelMultipartSigned *)multipart; - - /* check what we have, so we return something reasonable */ - - if ((mps->content || mps->contentraw) && mps->signature) - return 2; - - if (mps->start1 == -1 && parse_content(mps) == -1) { - if (dw->stream == NULL) - return 0; - else - return 1; - } else { - return 2; - } -} - -static void -set_stream(CamelMultipartSigned *mps, CamelStream *mem) -{ - CamelDataWrapper *dw = (CamelDataWrapper *)mps; - - if (dw->stream) - camel_object_unref((CamelObject *)dw->stream); - dw->stream = (CamelStream *)mem; - - mps->start1 = -1; - if (mps->content) { - camel_object_unref((CamelObject *)mps->content); - mps->content = NULL; - } - if (mps->contentraw) { - camel_object_unref((CamelObject *)mps->contentraw); - mps->contentraw = NULL; - } - if (mps->signature) { - camel_object_unref((CamelObject *)mps->signature); - mps->signature = NULL; - } -} - -static int -construct_from_stream(CamelDataWrapper *data_wrapper, CamelStream *stream) -{ - CamelMultipartSigned *mps = (CamelMultipartSigned *)data_wrapper; - CamelStream *mem = camel_stream_mem_new(); - - if (camel_stream_write_to_stream(stream, mem) == -1) - return -1; - - set_stream(mps, mem); - - return 0; -} - -static int -signed_construct_from_parser(CamelMultipart *multipart, struct _CamelMimeParser *mp) -{ - int err; - CamelContentType *content_type; - CamelMultipartSigned *mps = (CamelMultipartSigned *)multipart; - char *buf; - size_t len; - CamelStream *mem; - - /* we *must not* be in multipart state, otherwise the mime parser will - parse the headers which is a no no @#$@# stupid multipart/signed spec */ - g_assert(camel_mime_parser_state(mp) == CAMEL_MIME_PARSER_STATE_HEADER); - - /* All we do is copy it to a memstream */ - content_type = camel_mime_parser_content_type(mp); - camel_multipart_set_boundary(multipart, camel_content_type_param(content_type, "boundary")); - - mem = camel_stream_mem_new(); - while (camel_mime_parser_step(mp, &buf, &len) != CAMEL_MIME_PARSER_STATE_BODY_END) - camel_stream_write(mem, buf, len); - - set_stream(mps, mem); - - err = camel_mime_parser_errno(mp); - if (err != 0) { - errno = err; - return -1; - } else - return 0; -} - -static ssize_t -write_to_stream (CamelDataWrapper *data_wrapper, CamelStream *stream) -{ - CamelMultipartSigned *mps = (CamelMultipartSigned *)data_wrapper; - CamelMultipart *mp = (CamelMultipart *)mps; - const char *boundary; - ssize_t total = 0; - ssize_t count; - - /* we have 3 basic cases: - 1. constructed, we write out the data wrapper stream we got - 2. signed content, we create and write out a new stream - 3. invalid - */ - - /* 1 */ - /* FIXME: locking? */ - if (data_wrapper->stream) { - camel_stream_reset(data_wrapper->stream); - return camel_stream_write_to_stream(data_wrapper->stream, stream); - } - - /* 3 */ - if (mps->signature == NULL || mps->contentraw == NULL) - return -1; - - /* 2 */ - boundary = camel_multipart_get_boundary(mp); - if (mp->preface) { - count = camel_stream_write_string(stream, mp->preface); - if (count == -1) - return -1; - total += count; - } - - /* first boundary */ - count = camel_stream_printf(stream, "\n--%s\n", boundary); - if (count == -1) - return -1; - total += count; - - /* output content part */ - camel_stream_reset(mps->contentraw); - count = camel_stream_write_to_stream(mps->contentraw, stream); - if (count == -1) - return -1; - total += count; - - /* boundary */ - count = camel_stream_printf(stream, "\n--%s\n", boundary); - if (count == -1) - return -1; - total += count; - - /* signature */ - count = camel_data_wrapper_write_to_stream((CamelDataWrapper *)mps->signature, stream); - if (count == -1) - return -1; - total += count; - - /* write the terminating boudary delimiter */ - count = camel_stream_printf(stream, "\n--%s--\n", boundary); - if (count == -1) - return -1; - total += count; - - /* and finally the postface */ - if (mp->postface) { - count = camel_stream_write_string(stream, mp->postface); - if (count == -1) - return -1; - total += count; - } - - return total; -} - -/* See rfc3156, section 2 and others */ -/* We do this simply: Anything not base64 must be qp - This is so that we can safely translate any occurance of "From " - into the quoted-printable escaped version safely. */ -static void -prepare_sign(CamelMimePart *mime_part) -{ - CamelDataWrapper *wrapper; - CamelTransferEncoding encoding; - 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((CamelMultipart *)wrapper); - for (i = 0; i < parts; i++) - prepare_sign(camel_multipart_get_part((CamelMultipart *)wrapper, i)); - } else if (CAMEL_IS_MIME_MESSAGE (wrapper)) { - prepare_sign((CamelMimePart *)wrapper); - } else { - encoding = camel_mime_part_get_encoding(mime_part); - - if (encoding != CAMEL_TRANSFER_ENCODING_BASE64 - && encoding != CAMEL_TRANSFER_ENCODING_QUOTEDPRINTABLE) { - camel_mime_part_set_encoding(mime_part, CAMEL_TRANSFER_ENCODING_QUOTEDPRINTABLE); - } - } -} - -/** - * camel_multipart_signed_sign: - * @mps: - * @context: The CipherContext to use for signing. - * @content: CamelMimePart content you wish to sign/transport. - * @userid: The id of the signing key to use. - * @hash: The algorithm to use. - * @ex: - * - * Sign the part @content, and attach it as the first part - * (CAMEL_MULTIPART_SIGNED_CONTENT) of the multipart @mps. A - * signature object will be created and setup as the second part - * (CAMEL_MULTIPART_SIGNED_SIGNATURE) of the object. Once a part has - * been successfully signed the mutlipart is ready for transmission. - * - * This method should be used to create multipart/signed objects - * which are properly canoncalised before signing, etc. - * - * Return value: -1 on error, setting @ex appropriately. On error - * neither the content or signature parts will be setup. - **/ -int -camel_multipart_signed_sign(CamelMultipartSigned *mps, CamelCipherContext *context, CamelMimePart *content, const char *userid, CamelCipherHash hash, CamelException *ex) -{ - abort(); -#if 0 - CamelMimeFilter *canon_filter; - CamelStream *mem; - CamelStreamFilter *filter; - CamelContentType *mime_type; - CamelMimePart *sigpart; - - /* this needs to be set */ - g_return_val_if_fail(context->sign_protocol != NULL, -1); - - prepare_sign(content); - - mem = camel_stream_mem_new(); - filter = camel_stream_filter_new_with_stream(mem); - - /* Note: see rfc2015 or rfc3156, section 5 */ - canon_filter = camel_mime_filter_canon_new(CAMEL_MIME_FILTER_CANON_STRIP|CAMEL_MIME_FILTER_CANON_CRLF|CAMEL_MIME_FILTER_CANON_FROM); - camel_stream_filter_add(filter, (CamelMimeFilter *)canon_filter); - camel_object_unref((CamelObject *)canon_filter); - - camel_data_wrapper_write_to_stream((CamelDataWrapper *)content, (CamelStream *)filter); - camel_stream_flush((CamelStream *)filter); - camel_object_unref((CamelObject *)filter); - camel_stream_reset(mem); - -#if 0 - printf("-- Signing:\n"); - fwrite(((CamelStreamMem *)mem)->buffer->data, ((CamelStreamMem *)mem)->buffer->len, 1, stdout); - printf("-- end\n"); -#endif - - sigpart = camel_mime_part_new(); - - if (camel_cipher_sign(context, userid, hash, mem, sigpart, ex) == -1) { - camel_object_unref(mem); - camel_object_unref(sigpart); - return -1; - } - - /* setup our mime type and boundary */ - mime_type = camel_content_type_new("multipart", "signed"); - camel_content_type_set_param(mime_type, "micalg", camel_cipher_hash_to_id(context, hash)); - camel_content_type_set_param(mime_type, "protocol", context->sign_protocol); - camel_data_wrapper_set_mime_type_field(CAMEL_DATA_WRAPPER (mps), mime_type); - camel_content_type_unref(mime_type); - camel_multipart_set_boundary((CamelMultipart *)mps, NULL); - - /* just keep the whole raw content. We dont *really* need to do this because - we know how we just proccessed it, but, well, better to be safe than sorry */ - mps->signature = sigpart; - mps->contentraw = mem; - camel_stream_reset(mem); - - /* clear the data-wrapper stream - tells write_to_stream to use the right object */ - if (((CamelDataWrapper *)mps)->stream) { - camel_object_unref((CamelObject *) ((CamelDataWrapper *)mps)->stream); - ((CamelDataWrapper *)mps)->stream = NULL; - } -#endif - return 0; -} - -CamelStream * -camel_multipart_signed_get_content_stream(CamelMultipartSigned *mps, CamelException *ex) -{ - CamelStream *constream; - - /* we need to be able to verify stuff we just signed as well as stuff we loaded from a stream/parser */ - - if (mps->contentraw) { - constream = mps->contentraw; - camel_object_ref((CamelObject *)constream); - } else { - CamelStream *sub; - CamelMimeFilter *canon_filter; - - if (mps->start1 == -1 && parse_content(mps) == -1) { - camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM, _("parse error")); - return NULL; - } - - /* first, prepare our parts */ - sub = camel_seekable_substream_new((CamelSeekableStream *)((CamelDataWrapper *)mps)->stream, mps->start1, mps->end1); - constream = (CamelStream *)camel_stream_filter_new_with_stream(sub); - camel_object_unref((CamelObject *)sub); - - /* Note: see rfc2015 or rfc3156, section 5 */ - canon_filter = camel_mime_filter_canon_new (CAMEL_MIME_FILTER_CANON_CRLF); - camel_stream_filter_add((CamelStreamFilter *)constream, (CamelMimeFilter *)canon_filter); - camel_object_unref((CamelObject *)canon_filter); - } - - return constream; -} - -/** - * camel_multipart_signed_verify: - * @mps: - * @context: - * @ex: - * - * Verify a signed object. This may be used to verify newly signed - * objects as well as those created from external streams or parsers. - * - * Return value: A validity value, or NULL on error, setting @ex - * appropriately. - **/ -CamelCipherValidity * -camel_multipart_signed_verify(CamelMultipartSigned *mps, CamelCipherContext *context, CamelException *ex) -{ - abort(); - - return NULL; -#if 0 - CamelCipherValidity *valid; - CamelMimePart *sigpart; - CamelStream *constream; - - /* we need to be able to verify stuff we just signed as well as stuff we loaded from a stream/parser */ - - if (mps->contentraw) { - constream = mps->contentraw; - camel_object_ref((CamelObject *)constream); - } else { - CamelStream *sub; - CamelMimeFilter *canon_filter; - - if (mps->start1 == -1 && parse_content(mps) == -1) { - camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM, _("parse error")); - return NULL; - } - - /* first, prepare our parts */ - sub = camel_seekable_substream_new((CamelSeekableStream *)((CamelDataWrapper *)mps)->stream, mps->start1, mps->end1); - constream = (CamelStream *)camel_stream_filter_new_with_stream(sub); - camel_object_unref((CamelObject *)sub); - - /* Note: see rfc2015 or rfc3156, section 5 */ - canon_filter = camel_mime_filter_canon_new (CAMEL_MIME_FILTER_CANON_CRLF); - camel_stream_filter_add((CamelStreamFilter *)constream, (CamelMimeFilter *)canon_filter); - camel_object_unref((CamelObject *)canon_filter); - } - - /* we do this as a normal mime part so we can have it handle transfer encoding etc */ - sigpart = camel_multipart_get_part((CamelMultipart *)mps, CAMEL_MULTIPART_SIGNED_SIGNATURE); - - /* do the magic, the caller must supply the right context for this kind of object */ - valid = camel_cipher_verify(context, camel_cipher_id_to_hash(context, mps->micalg), constream, sigpart, ex); - -#if 0 - { - CamelStream *sout = camel_stream_fs_new_with_fd(dup(0)); - - camel_stream_printf(sout, "-- Verifying:\n"); - camel_stream_reset(constream); - camel_stream_write_to_stream(constream, sout); - camel_stream_printf(sout, "-- end\n"); - camel_object_unref((CamelObject *)sout); - } -#endif - - camel_object_unref(constream); - - return valid; -#endif -} - - |