Diffstat (limited to 'libetpan/src/driver/interface/mailmessage_tools.c') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | libetpan/src/driver/interface/mailmessage_tools.c | 600 |
1 files changed, 600 insertions, 0 deletions
diff --git a/libetpan/src/driver/interface/mailmessage_tools.c b/libetpan/src/driver/interface/mailmessage_tools.c new file mode 100644 index 0000000..9e53173 --- a/dev/null +++ b/libetpan/src/driver/interface/mailmessage_tools.c @@ -0,0 +1,600 @@ +/* + * libEtPan! -- a mail stuff library + * + * Copyright (C) 2001, 2005 - DINH Viet Hoa + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the libEtPan! project nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * $Id$ + */ + +#include "mailmessage_tools.h" +#include "mailmessage.h" + +#include <stdlib.h> + +#include "maildriver.h" +#include "maildriver_tools.h" + +int +mailmessage_generic_initialize(mailmessage * msg_info) +{ + struct generic_message_t * msg; + + msg = malloc(sizeof(* msg)); + + if (msg == NULL) { + return MAIL_ERROR_MEMORY; + } + + msg->msg_fetched = 0; + msg->msg_message = NULL; + msg->msg_length = 0; + + msg->msg_prefetch = NULL; + msg->msg_prefetch_free = NULL; + msg->msg_data = NULL; + + msg_info->msg_data = msg; + + return MAIL_NO_ERROR; +} + +void mailmessage_generic_flush(mailmessage * msg_info) +{ + struct generic_message_t * msg; + + if (msg_info->msg_mime != NULL) { + mailmime_free(msg_info->msg_mime); + msg_info->msg_mime = NULL; + } + msg = msg_info->msg_data; + if (msg != NULL) { + if (msg->msg_prefetch_free != NULL) + msg->msg_prefetch_free(msg); + msg->msg_fetched = 0; + } +} + +void mailmessage_generic_uninitialize(mailmessage * msg_info) +{ + struct generic_message_t * msg; + + mailmessage_generic_flush(msg_info); + + msg = msg_info->msg_data; + msg_info->msg_data = NULL; + free(msg); +} + +static inline int +mailmessage_generic_prefetch(mailmessage * msg_info) +{ + struct generic_message_t * msg; + int r; + + msg = msg_info->msg_data; + + if (msg->msg_fetched) + return MAIL_NO_ERROR; + +#if 0 + if (msg->message != NULL) + return MAIL_NO_ERROR; +#endif + + r = msg->msg_prefetch(msg_info); + if (r != MAIL_NO_ERROR) + return r; + + msg->msg_fetched = 1; + + return MAIL_NO_ERROR; +} + +static int +mailmessage_generic_prefetch_bodystructure(mailmessage * msg_info) +{ + size_t length; + char * message; + size_t cur_token; + struct mailmime * mime; + int r; + int res; + struct generic_message_t * msg; + + if (msg_info->msg_mime != NULL) { + /* it has already been fetched */ + return MAIL_NO_ERROR; + } + +#if 0 + msg = msg_info->data; + if (msg->message == NULL) { + r = mailmessage_generic_prefetch(msg_info); + if (r != MAIL_NO_ERROR) { + res = r; + goto err; + } + } +#endif + r = mailmessage_generic_prefetch(msg_info); + if (r != MAIL_NO_ERROR) { + res = r; + goto err; + } + + msg = msg_info->msg_data; + message = msg->msg_message; + length = msg->msg_length; + cur_token = 0; + r = mailmime_parse(message, length, &cur_token, &mime); + if (r != MAILIMF_NO_ERROR) { + res = MAIL_ERROR_PARSE; + goto err; + } + + msg_info->msg_mime = mime; + + return MAIL_NO_ERROR; + + err: + return res; +} + +void +mailmessage_generic_fetch_result_free(mailmessage * msg_info, char * msg) +{ + int r; + + r = mmap_string_unref(msg); +} + +int mailmessage_generic_fetch(mailmessage * msg_info, + char ** result, + size_t * result_len) +{ + int r; + char * message; + size_t cur_token; + size_t length; + MMAPString * mmapstr; + int res; + struct generic_message_t * msg; + + msg = msg_info->msg_data; + r = mailmessage_generic_prefetch(msg_info); + if (r != MAIL_NO_ERROR) { + res = r; + goto err; + } + + message = msg->msg_message; + length = msg->msg_length; + cur_token = 0; + + mmapstr = mmap_string_new_len(message, length); + if (mmapstr == NULL) { + res = MAIL_ERROR_MEMORY; + goto err; + } + + r = mmap_string_ref(mmapstr); + if (r < 0) { + res = MAIL_ERROR_MEMORY; + goto free_mmap; + } + + * result = mmapstr->str; + * result_len = length; + + return MAIL_NO_ERROR; + + free_mmap: + mmap_string_free(mmapstr); + err: + return res; +} + +int mailmessage_generic_fetch_header(mailmessage * msg_info, + char ** result, + size_t * result_len) +{ + int r; + char * message; + size_t cur_token; + size_t length; + MMAPString * mmapstr; + char * headers; + int res; + struct generic_message_t * msg; + + msg = msg_info->msg_data; + r = mailmessage_generic_prefetch(msg_info); + if (r != MAIL_NO_ERROR) { + res = r; + goto err; + } + + message = msg->msg_message; + length = msg->msg_length; + cur_token = 0; + + while (1) { + r = mailimf_ignore_field_parse(message, length, &cur_token); + if (r == MAILIMF_NO_ERROR) { + /* do nothing */ + } + else + break; + } + mailimf_crlf_parse(message, length, &cur_token); + + mmapstr = mmap_string_new_len(message, cur_token); + if (mmapstr == NULL) { + res = MAIL_ERROR_MEMORY; + goto err; + } + + r = mmap_string_ref(mmapstr); + if (r < 0) { + res = MAIL_ERROR_MEMORY; + goto free_mmap; + } + + headers = mmapstr->str; + + * result = headers; + * result_len = cur_token; + + return MAIL_NO_ERROR; + + free_mmap: + mmap_string_free(mmapstr); + err: + return res; +} + +int mailmessage_generic_fetch_body(mailmessage * msg_info, + char ** result, size_t * result_len) +{ + int r; + char * message; + size_t cur_token; + MMAPString * mmapstr; + size_t length; + int res; + struct generic_message_t * msg; + + msg = msg_info->msg_data; + r = mailmessage_generic_prefetch(msg_info); + if (r != MAIL_NO_ERROR) { + res = r; + goto err; + } + + message = msg->msg_message; + length = msg->msg_length; + cur_token = 0; + + while (1) { + r = mailimf_ignore_field_parse(message, length, &cur_token); + if (r == MAILIMF_NO_ERROR) { + /* do nothing */ + } + else + break; + } + mailimf_crlf_parse(message, length, &cur_token); + + mmapstr = mmap_string_new_len(message + cur_token, length - cur_token); + if (mmapstr == NULL) { + res = MAIL_ERROR_MEMORY; + goto err; + } + + r = mmap_string_ref(mmapstr); + if (r < 0) { + res = MAIL_ERROR_MEMORY; + goto free_mmap; + } + + * result = mmapstr->str; + * result_len = length - cur_token; + + return MAIL_NO_ERROR; + + free_mmap: + mmap_string_free(mmapstr); + err: + return res; +} + + + + +int +mailmessage_generic_get_bodystructure(mailmessage * msg_info, + struct mailmime ** result) +{ + int r; + + r = mailmessage_generic_prefetch_bodystructure(msg_info); + if (r != MAIL_NO_ERROR) + return r; + + * result = msg_info->msg_mime; + + return MAIL_NO_ERROR; +} + + + + +int +mailmessage_generic_fetch_section(mailmessage * msg_info, + struct mailmime * mime, + char ** result, size_t * result_len) +{ + MMAPString * mmapstr; + int r; + int res; + + mmapstr = mmap_string_new_len(mime->mm_body->dt_data.dt_text.dt_data, + mime->mm_body->dt_data.dt_text.dt_length); + if (mmapstr == NULL) { + res = MAIL_ERROR_MEMORY; + goto err; + } + + r = mmap_string_ref(mmapstr); + if (r < 0) { + res = MAIL_ERROR_MEMORY; + goto free_mmap; + } + + * result = mmapstr->str; + * result_len = mmapstr->len; + + return MAIL_NO_ERROR; + + free_mmap: + mmap_string_free(mmapstr); + err: + return res; +} + +int +mailmessage_generic_fetch_section_header(mailmessage * msg_info, + struct mailmime * mime, + char ** result, + size_t * result_len) +{ + MMAPString * mmapstr; + int r; + int res; + size_t cur_token; + + /* skip mime */ + + cur_token = 0; + + if (mime->mm_type == MAILMIME_MESSAGE) { + + while (1) { + r = mailimf_ignore_field_parse(mime->mm_body->dt_data.dt_text.dt_data, + mime->mm_body->dt_data.dt_text.dt_length, &cur_token); + if (r == MAILIMF_NO_ERROR) { + /* do nothing */ + } + else + break; + } + + r = mailimf_crlf_parse(mime->mm_body->dt_data.dt_text.dt_data, + mime->mm_body->dt_data.dt_text.dt_length, &cur_token); + if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) { + res = maildriver_imf_error_to_mail_error(r); + goto err; + } + } + + mmapstr = mmap_string_new_len(mime->mm_body->dt_data.dt_text.dt_data, + cur_token); + if (mmapstr == NULL) { + res = MAIL_ERROR_MEMORY; + goto err; + } + + r = mmap_string_ref(mmapstr); + if (r < 0) { + res = MAIL_ERROR_MEMORY; + goto free_mmap; + } + + * result = mmapstr->str; + * result_len = mmapstr->len; + + return MAIL_NO_ERROR; + + free_mmap: + mmap_string_free(mmapstr); + err: + return res; +} + +int +mailmessage_generic_fetch_section_mime(mailmessage * msg_info, + struct mailmime * mime, + char ** result, + size_t * result_len) +{ + MMAPString * mmapstr; + int r; + int res; + size_t cur_token; + + cur_token = 0; + + /* skip header */ + + while (1) { + r = mailimf_ignore_field_parse(mime->mm_mime_start, + mime->mm_length, &cur_token); + if (r == MAILIMF_NO_ERROR) { + /* do nothing */ + } + else + break; + } + + r = mailimf_crlf_parse(mime->mm_mime_start, mime->mm_length, &cur_token); + if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) { + res = maildriver_imf_error_to_mail_error(r); + goto err; + } + + mmapstr = mmap_string_new_len(mime->mm_mime_start, cur_token); + if (mmapstr == NULL) { + res = MAIL_ERROR_MEMORY; + goto err; + } + + r = mmap_string_ref(mmapstr); + if (r < 0) { + res = MAIL_ERROR_MEMORY; + goto free_mmap; + } + + * result = mmapstr->str; + * result_len = mmapstr->len; + + return MAIL_NO_ERROR; + + free_mmap: + mmap_string_free(mmapstr); + err: + return res; +} + +int +mailmessage_generic_fetch_section_body(mailmessage * msg_info, + struct mailmime * mime, + char ** result, + size_t * result_len) +{ + MMAPString * mmapstr; + int r; + int res; + size_t cur_token; + + cur_token = 0; + + if (mime->mm_type == MAILMIME_MESSAGE) { + + /* skip header */ + + while (1) { + r = mailimf_ignore_field_parse(mime->mm_body->dt_data.dt_text.dt_data, + mime->mm_body->dt_data.dt_text.dt_length, &cur_token); + if (r == MAILIMF_NO_ERROR) { + /* do nothing */ + } + else + break; + } + + r = mailimf_crlf_parse(mime->mm_body->dt_data.dt_text.dt_data, + mime->mm_body->dt_data.dt_text.dt_length, &cur_token); + if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) { + res = maildriver_imf_error_to_mail_error(r); + goto err; + } + } + + mmapstr = mmap_string_new_len(mime->mm_body->dt_data.dt_text.dt_data + + cur_token, mime->mm_body->dt_data.dt_text.dt_length - cur_token); + if (mmapstr == NULL) { + res = MAIL_ERROR_MEMORY; + goto err; + } + + r = mmap_string_ref(mmapstr); + if (r < 0) { + res = MAIL_ERROR_MEMORY; + goto free_mmap; + } + + * result = mmapstr->str; + * result_len = mmapstr->len; + + return MAIL_NO_ERROR; + + free_mmap: + mmap_string_free(mmapstr); + err: + return res; +} + +int mailmessage_generic_fetch_envelope(mailmessage * msg_info, + struct mailimf_fields ** result) +{ + int r; + int res; + size_t cur_token; + char * header; + size_t length; + struct mailimf_fields * fields; + + r = mailmessage_fetch_header(msg_info, &header, &length); + if (r != MAIL_NO_ERROR) { + res = r; + goto err; + } + + cur_token = 0; + + r = mailimf_envelope_fields_parse(header, length, &cur_token, + &fields); + if (r != MAILIMF_NO_ERROR) { + res = maildriver_imf_error_to_mail_error(r); + goto free; + /* do nothing */ + } + + mailmessage_fetch_result_free(msg_info, header); + + * result = fields; + + return MAIL_NO_ERROR; + + free: + mailmessage_fetch_result_free(msg_info, header); + err: + return res; +} |