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path: root/kmicromail/libetpan/imf/mailimf.c
authorzautrix <zautrix>2004-07-03 16:33:12 (UTC)
committer zautrix <zautrix>2004-07-03 16:33:12 (UTC)
commite3b89230f065c48c84b48c88edb6eb088374c487 (patch) (side-by-side diff)
tree162ea2ef909a6f82ccfcedf45d80d6c821174912 /kmicromail/libetpan/imf/mailimf.c
parent2dd6ac0b2d24c91d35ce674a6c26351352df2b15 (diff)
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Initial revision
Diffstat (limited to 'kmicromail/libetpan/imf/mailimf.c') (more/less context) (ignore whitespace changes)
-rw-r--r--kmicromail/libetpan/imf/mailimf.c7585
1 files changed, 7585 insertions, 0 deletions
diff --git a/kmicromail/libetpan/imf/mailimf.c b/kmicromail/libetpan/imf/mailimf.c
new file mode 100644
index 0000000..84d81a1
--- a/dev/null
+++ b/kmicromail/libetpan/imf/mailimf.c
@@ -0,0 +1,7585 @@
+/*
+ * libEtPan! -- a mail stuff library
+ *
+ * Copyright (C) 2001, 2002 - 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 REGENTS 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 REGENTS 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 "mailimf.h"
+
+/*
+ RFC 2822
+
+ RFC 2821 ...
+ A message-originating SMTP system SHOULD NOT send a message that
+ already contains a Return-path header. SMTP servers performing a
+ relay function MUST NOT inspect the message data, and especially not
+ to the extent needed to determine if Return-path headers are present.
+ SMTP servers making final delivery MAY remove Return-path headers
+ before adding their own.
+*/
+
+#include <ctype.h>
+#include <mmapstring.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+
+
+
+
+
+
+static inline int is_dtext(char ch);
+
+static int mailimf_quoted_pair_parse(const char * message, size_t length,
+ size_t * index, char * result);
+
+static int mailimf_ccontent_parse(const char * message, size_t length,
+ size_t * index);
+
+static int
+mailimf_comment_fws_ccontent_parse(const char * message, size_t length,
+ size_t * index);
+
+static inline int mailimf_comment_parse(const char * message, size_t length,
+ size_t * index);
+
+static int mailimf_qcontent_parse(const char * message, size_t length,
+ size_t * index, char * ch);
+
+static int mailimf_phrase_parse(const char * message, size_t length,
+ size_t * index, char ** result);
+
+static int mailimf_unstructured_parse(const char * message, size_t length,
+ size_t * index, char ** result);
+
+static int mailimf_ignore_unstructured_parse(const char * message, size_t length,
+ size_t * index);
+
+static int mailimf_day_of_week_parse(const char * message, size_t length,
+ size_t * index, int * result);
+
+static int mailimf_day_name_parse(const char * message, size_t length,
+ size_t * index, int * result);
+
+static int mailimf_date_parse(const char * message, size_t length,
+ size_t * index,
+ int * pday, int * pmonth, int * pyear);
+
+static int mailimf_year_parse(const char * message, size_t length,
+ size_t * index, int * result);
+
+static int mailimf_month_parse(const char * message, size_t length,
+ size_t * index, int * result);
+
+static int mailimf_month_name_parse(const char * message, size_t length,
+ size_t * index, int * result);
+
+static int mailimf_day_parse(const char * message, size_t length,
+ size_t * index, int * result);
+
+static int mailimf_time_parse(const char * message, size_t length,
+ size_t * index,
+ int * phour, int * pmin,
+ int * psec,
+ int * zone);
+static int mailimf_time_of_day_parse(const char * message, size_t length,
+ size_t * index,
+ int * phour, int * pmin,
+ int * psec);
+
+static int mailimf_hour_parse(const char * message, size_t length,
+ size_t * index, int * result);
+
+static int mailimf_minute_parse(const char * message, size_t length,
+ size_t * index, int * result);
+
+static int mailimf_second_parse(const char * message, size_t length,
+ size_t * index, int * result);
+
+static int mailimf_zone_parse(const char * message, size_t length,
+ size_t * index, int * result);
+
+static int mailimf_name_addr_parse(const char * message, size_t length,
+ size_t * index,
+ char ** pdisplay_name,
+ char ** pangle_addr);
+
+static int mailimf_angle_addr_parse(const char * message, size_t length,
+ size_t * index, char ** result);
+
+static int mailimf_group_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_group ** result);
+
+static int mailimf_display_name_parse(const char * message, size_t length,
+ size_t * index, char ** result);
+
+static int mailimf_addr_spec_parse(const char * message, size_t length,
+ size_t * index,
+ char ** address);
+
+#if 0
+static int mailimf_local_part_parse(const char * message, size_t length,
+ size_t * index,
+ char ** result);
+
+static int mailimf_domain_parse(const char * message, size_t length,
+ size_t * index,
+ char ** result);
+#endif
+
+#if 0
+static int mailimf_domain_literal_parse(const char * message, size_t length,
+ size_t * index, char ** result);
+#endif
+
+#if 0
+static int mailimf_dcontent_parse(const char * message, size_t length,
+ size_t * index, char * result);
+#endif
+
+static int
+mailimf_orig_date_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_orig_date ** result);
+
+static int
+mailimf_from_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_from ** result);
+
+static int
+mailimf_sender_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_sender ** result);
+
+static int
+mailimf_reply_to_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_reply_to ** result);
+
+static int
+mailimf_to_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_to ** result);
+
+static int
+mailimf_cc_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_cc ** result);
+
+static int
+mailimf_bcc_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_bcc ** result);
+
+static int mailimf_message_id_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_message_id ** result);
+
+static int
+mailimf_in_reply_to_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_in_reply_to ** result);
+
+#if 0
+static int mailimf_references_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_references **
+ result);
+#endif
+
+static int mailimf_unstrict_msg_id_parse(const char * message, size_t length,
+ size_t * index,
+ char ** result);
+
+#if 0
+static int mailimf_id_left_parse(const char * message, size_t length,
+ size_t * index, char ** result);
+
+static int mailimf_id_right_parse(const char * message, size_t length,
+ size_t * index, char ** result);
+#endif
+
+#if 0
+static int mailimf_no_fold_quote_parse(const char * message, size_t length,
+ size_t * index, char ** result);
+
+static int mailimf_no_fold_literal_parse(const char * message, size_t length,
+ size_t * index, char ** result);
+#endif
+
+static int mailimf_subject_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_subject ** result);
+
+static int mailimf_comments_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_comments ** result);
+
+static int mailimf_keywords_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_keywords ** result);
+
+static int
+mailimf_resent_date_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_orig_date ** result);
+
+static int
+mailimf_resent_from_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_from ** result);
+
+static int
+mailimf_resent_sender_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_sender ** result);
+
+static int
+mailimf_resent_to_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_to ** result);
+
+static int
+mailimf_resent_cc_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_cc ** result);
+
+static int
+mailimf_resent_bcc_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_bcc ** result);
+
+static int
+mailimf_resent_msg_id_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_message_id ** result);
+
+static int mailimf_return_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_return ** result);
+
+static int
+mailimf_path_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_path ** result);
+
+static int
+mailimf_optional_field_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_optional_field ** result);
+
+static int mailimf_field_name_parse(const char * message, size_t length,
+ size_t * index, char ** result);
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+/* *************************************************************** */
+
+static inline int is_digit(char ch)
+{
+ return (ch >= '0') && (ch <= '9');
+}
+
+static int mailimf_digit_parse(const char * message, size_t length,
+ size_t * index, int * result)
+{
+ size_t cur_token;
+
+ cur_token = * index;
+
+ if (cur_token >= length)
+ return MAILIMF_ERROR_PARSE;
+
+ if (is_digit(message[cur_token])) {
+ * result = message[cur_token] - '0';
+ cur_token ++;
+ * index = cur_token;
+ return MAILIMF_NO_ERROR;
+ }
+ else
+ return MAILIMF_ERROR_PARSE;
+}
+
+int
+mailimf_number_parse(const char * message, size_t length,
+ size_t * index, uint32_t * result)
+{
+ size_t cur_token;
+ int digit;
+ uint32_t number;
+ int parsed;
+ int r;
+
+ cur_token = * index;
+ parsed = FALSE;
+
+ number = 0;
+ while (1) {
+ r = mailimf_digit_parse(message, length, &cur_token, &digit);
+ if (r != MAILIMF_NO_ERROR) {
+ if (r == MAILIMF_ERROR_PARSE)
+ break;
+ else
+ return r;
+ }
+ number *= 10;
+ number += digit;
+ parsed = TRUE;
+ }
+
+ if (!parsed)
+ return MAILIMF_ERROR_PARSE;
+
+ * result = number;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+int mailimf_char_parse(const char * message, size_t length,
+ size_t * index, char token)
+{
+ size_t cur_token;
+
+ cur_token = * index;
+
+ if (cur_token >= length)
+ return MAILIMF_ERROR_PARSE;
+
+ if (message[cur_token] == token) {
+ cur_token ++;
+ * index = cur_token;
+ return MAILIMF_NO_ERROR;
+ }
+ else
+ return MAILIMF_ERROR_PARSE;
+}
+
+int mailimf_unstrict_char_parse(const char * message, size_t length,
+ size_t * index, char token)
+{
+ size_t cur_token;
+ int r;
+
+ cur_token = * index;
+
+ r = mailimf_cfws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE))
+ return r;
+
+ r = mailimf_char_parse(message, length, &cur_token, token);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+int
+mailimf_token_case_insensitive_len_parse(const char * message, size_t length,
+ size_t * index, char * token,
+ size_t token_length)
+{
+ size_t cur_token;
+
+ cur_token = * index;
+
+ if (cur_token + token_length - 1 >= length)
+ return MAILIMF_ERROR_PARSE;
+
+ if (strncasecmp(message + cur_token, token, token_length) == 0) {
+ cur_token += token_length;
+ * index = cur_token;
+ return MAILIMF_NO_ERROR;
+ }
+ else
+ return MAILIMF_ERROR_PARSE;
+}
+
+static int mailimf_oparenth_parse(const char * message, size_t length,
+ size_t * index)
+{
+ return mailimf_char_parse(message, length, index, '(');
+}
+
+static int mailimf_cparenth_parse(const char * message, size_t length,
+ size_t * index)
+{
+ return mailimf_char_parse(message, length, index, ')');
+}
+
+static int mailimf_comma_parse(const char * message, size_t length,
+ size_t * index)
+{
+ return mailimf_unstrict_char_parse(message, length, index, ',');
+}
+
+static int mailimf_dquote_parse(const char * message, size_t length,
+ size_t * index)
+{
+ return mailimf_char_parse(message, length, index, '\"');
+}
+
+static int mailimf_colon_parse(const char * message, size_t length,
+ size_t * index)
+{
+ return mailimf_unstrict_char_parse(message, length, index, ':');
+}
+
+static int mailimf_semi_colon_parse(const char * message, size_t length,
+ size_t * index)
+{
+ return mailimf_unstrict_char_parse(message, length, index, ';');
+}
+
+static int mailimf_plus_parse(const char * message, size_t length,
+ size_t * index)
+{
+ return mailimf_unstrict_char_parse(message, length, index, '+');
+}
+
+static int mailimf_minus_parse(const char * message, size_t length,
+ size_t * index)
+{
+ return mailimf_unstrict_char_parse(message, length, index, '-');
+}
+
+static int mailimf_lower_parse(const char * message, size_t length,
+ size_t * index)
+{
+ return mailimf_unstrict_char_parse(message, length, index, '<');
+}
+
+static int mailimf_greater_parse(const char * message, size_t length,
+ size_t * index)
+{
+ return mailimf_unstrict_char_parse(message, length, index, '>');
+}
+
+#if 0
+static int mailimf_obracket_parse(const char * message, size_t length,
+ size_t * index)
+{
+ return mailimf_unstrict_char_parse(message, length, index, '[');
+}
+
+static int mailimf_cbracket_parse(const char * message, size_t length,
+ size_t * index)
+{
+ return mailimf_unstrict_char_parse(message, length, index, ']');
+}
+#endif
+
+static int mailimf_at_sign_parse(const char * message, size_t length,
+ size_t * index)
+{
+ return mailimf_unstrict_char_parse(message, length, index, '@');
+}
+
+static int mailimf_point_parse(const char * message, size_t length,
+ size_t * index)
+{
+ return mailimf_unstrict_char_parse(message, length, index, '.');
+}
+
+int
+mailimf_custom_string_parse(const char * message, size_t length,
+ size_t * index, char ** result,
+ int (* is_custom_char)(char))
+{
+ size_t begin;
+ size_t end;
+ char * gstr;
+
+ begin = * index;
+
+ end = begin;
+
+ if (end >= length)
+ return MAILIMF_ERROR_PARSE;
+
+ while (is_custom_char(message[end])) {
+ end ++;
+ if (end >= length)
+ break;
+ }
+
+ if (end != begin) {
+ /*
+ gstr = strndup(message + begin, end - begin);
+ */
+ gstr = malloc(end - begin + 1);
+ if (gstr == NULL)
+ return MAILIMF_ERROR_MEMORY;
+ strncpy(gstr, message + begin, end - begin);
+ gstr[end - begin] = '\0';
+
+ * index = end;
+ * result = gstr;
+ return MAILIMF_NO_ERROR;
+ }
+ else
+ return MAILIMF_ERROR_PARSE;
+}
+
+
+
+
+
+
+
+typedef int mailimf_struct_parser(const char * message, size_t length,
+ size_t * index, void * result);
+
+typedef int mailimf_struct_destructor(void * result);
+
+
+static int
+mailimf_struct_multiple_parse(const char * message, size_t length,
+ size_t * index, clist ** result,
+ mailimf_struct_parser * parser,
+ mailimf_struct_destructor * destructor)
+{
+ clist * struct_list;
+ size_t cur_token;
+ void * value;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = parser(message, length, &cur_token, &value);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ struct_list = clist_new();
+ if (struct_list == NULL) {
+ destructor(value);
+ res = MAILIMF_ERROR_MEMORY;
+ goto err;
+ }
+
+ r = clist_append(struct_list, value);
+ if (r < 0) {
+ destructor(value);
+ res = MAILIMF_ERROR_MEMORY;
+ goto free;
+ }
+
+ while (1) {
+ r = parser(message, length, &cur_token, &value);
+ if (r != MAILIMF_NO_ERROR) {
+ if (r == MAILIMF_ERROR_PARSE)
+ break;
+ else {
+ res = r;
+ goto free;
+ }
+ }
+ r = clist_append(struct_list, value);
+ if (r < 0) {
+ (* destructor)(value);
+ res = MAILIMF_ERROR_MEMORY;
+ goto free;
+ }
+ }
+
+ * result = struct_list;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free:
+ clist_foreach(struct_list, (clist_func) destructor, NULL);
+ clist_free(struct_list);
+ err:
+ return res;
+}
+
+
+
+static int
+mailimf_struct_list_parse(const char * message, size_t length,
+ size_t * index, clist ** result,
+ char symbol,
+ mailimf_struct_parser * parser,
+ mailimf_struct_destructor * destructor)
+{
+ clist * struct_list;
+ size_t cur_token;
+ void * value;
+ size_t final_token;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = parser(message, length, &cur_token, &value);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ struct_list = clist_new();
+ if (struct_list == NULL) {
+ destructor(value);
+ res = MAILIMF_ERROR_MEMORY;
+ goto err;
+ }
+
+ r = clist_append(struct_list, value);
+ if (r < 0) {
+ destructor(value);
+ res = MAILIMF_ERROR_MEMORY;
+ goto free;
+ }
+
+ final_token = cur_token;
+
+ while (1) {
+ r = mailimf_unstrict_char_parse(message, length, &cur_token, symbol);
+ if (r != MAILIMF_NO_ERROR) {
+ if (r == MAILIMF_ERROR_PARSE)
+ break;
+ else {
+ res = r;
+ goto free;
+ }
+ }
+
+ r = parser(message, length, &cur_token, &value);
+ if (r != MAILIMF_NO_ERROR) {
+ if (r == MAILIMF_ERROR_PARSE)
+ break;
+ else {
+ res = r;
+ goto free;
+ }
+ }
+
+ r = clist_append(struct_list, value);
+ if (r < 0) {
+ destructor(value);
+ res = MAILIMF_ERROR_MEMORY;
+ goto free;
+ }
+
+ final_token = cur_token;
+ }
+
+ * result = struct_list;
+ * index = final_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free:
+ clist_foreach(struct_list, (clist_func) destructor, NULL);
+ clist_free(struct_list);
+ err:
+ return res;
+}
+
+static inline int mailimf_wsp_parse(const char * message, size_t length,
+ size_t * index)
+{
+ size_t cur_token;
+
+ cur_token = * index;
+
+ if (cur_token >= length)
+ return MAILIMF_ERROR_PARSE;
+
+ if ((message[cur_token] != ' ') && (message[cur_token] != '\t'))
+ return MAILIMF_ERROR_PARSE;
+
+ cur_token ++;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+
+int mailimf_crlf_parse(const char * message, size_t length, size_t * index)
+{
+ size_t cur_token;
+ int r;
+
+ cur_token = * index;
+
+ r = mailimf_char_parse(message, length, &cur_token, '\r');
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE))
+ return r;
+
+ r = mailimf_char_parse(message, length, &cur_token, '\n');
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ * index = cur_token;
+ return MAILIMF_NO_ERROR;
+}
+
+static int mailimf_unstrict_crlf_parse(const char * message,
+ size_t length, size_t * index)
+{
+ size_t cur_token;
+ int r;
+
+ cur_token = * index;
+
+ mailimf_cfws_parse(message, length, &cur_token);
+
+ r = mailimf_char_parse(message, length, &cur_token, '\r');
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE))
+ return r;
+
+ r = mailimf_char_parse(message, length, &cur_token, '\n');
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ * index = cur_token;
+ return MAILIMF_NO_ERROR;
+}
+
+/* ************************************************************************ */
+
+
+
+/* RFC 2822 grammar */
+
+/*
+NO-WS-CTL = %d1-8 / ; US-ASCII control characters
+ %d11 / ; that do not include the
+ %d12 / ; carriage return, line feed,
+ %d14-31 / ; and white space characters
+ %d127
+*/
+
+static inline int is_no_ws_ctl(char ch)
+{
+ if ((ch == 9) || (ch == 10) || (ch == 13))
+ return FALSE;
+
+ if (ch == 127)
+ return TRUE;
+
+ return (ch >= 1) && (ch <= 31);
+}
+
+/*
+text = %d1-9 / ; Characters excluding CR and LF
+ %d11 /
+ %d12 /
+ %d14-127 /
+ obs-text
+*/
+
+/*
+specials = "(" / ")" / ; Special characters used in
+ "<" / ">" / ; other parts of the syntax
+ "[" / "]" /
+ ":" / ";" /
+ "@" / "\" /
+ "," / "." /
+ DQUOTE
+*/
+
+/*
+quoted-pair = ("\" text) / obs-qp
+*/
+
+static inline int mailimf_quoted_pair_parse(const char * message, size_t length,
+ size_t * index, char * result)
+{
+ size_t cur_token;
+
+ cur_token = * index;
+
+ if (cur_token + 1 >= length)
+ return MAILIMF_ERROR_PARSE;
+
+ if (message[cur_token] != '\\')
+ return MAILIMF_ERROR_PARSE;
+
+ cur_token ++;
+ * result = message[cur_token];
+ cur_token ++;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+FWS = ([*WSP CRLF] 1*WSP) / ; Folding white space
+ obs-FWS
+*/
+
+int mailimf_fws_parse(const char * message, size_t length, size_t * index)
+{
+ size_t cur_token;
+ size_t final_token;
+ int fws_1;
+ int fws_2;
+ int fws_3;
+ int r;
+
+ cur_token = * index;
+
+ fws_1 = FALSE;
+ while (1) {
+ r = mailimf_wsp_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ if (r == MAILIMF_ERROR_PARSE)
+ break;
+ else
+ return r;
+ }
+ fws_1 = TRUE;
+ }
+ final_token = cur_token;
+
+ r = mailimf_crlf_parse(message, length, &cur_token);
+ switch (r) {
+ case MAILIMF_NO_ERROR:
+ fws_2 = TRUE;
+ break;
+ case MAILIMF_ERROR_PARSE:
+ fws_2 = FALSE;
+ break;
+ default:
+ return r;
+ }
+
+ fws_3 = FALSE;
+ if (fws_2) {
+ while (1) {
+ r = mailimf_wsp_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ if (r == MAILIMF_ERROR_PARSE)
+ break;
+ else
+ return r;
+ }
+ fws_3 = TRUE;
+ }
+ }
+
+ if ((!fws_1) && (!fws_3))
+ return MAILIMF_ERROR_PARSE;
+
+ if (!fws_3)
+ cur_token = final_token;
+
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+
+/*
+ctext = NO-WS-CTL / ; Non white space controls
+
+ %d33-39 / ; The rest of the US-ASCII
+ %d42-91 / ; characters not including "(",
+ %d93-126 ; ")", or "\"
+*/
+
+static inline int is_ctext(char ch)
+{
+ unsigned char uch = (unsigned char) ch;
+
+ if (is_no_ws_ctl(ch))
+ return TRUE;
+
+ if (uch < 33)
+ return FALSE;
+
+ if ((uch == 40) || (uch == 41))
+ return FALSE;
+
+ if (uch == 92)
+ return FALSE;
+
+ if (uch == 127)
+ return FALSE;
+
+ return TRUE;
+}
+
+/*
+ccontent = ctext / quoted-pair / comment
+*/
+
+static inline int mailimf_ccontent_parse(const char * message, size_t length,
+ size_t * index)
+{
+ size_t cur_token;
+ char ch;
+ int r;
+
+ cur_token = * index;
+
+ if (cur_token >= length)
+ return MAILIMF_ERROR_PARSE;
+
+ if (is_ctext(message[cur_token])) {
+ cur_token ++;
+ }
+ else {
+ r = mailimf_quoted_pair_parse(message, length, &cur_token, &ch);
+
+ if (r == MAILIMF_ERROR_PARSE)
+ r = mailimf_comment_parse(message, length, &cur_token);
+
+ if (r == MAILIMF_ERROR_PARSE)
+ return r;
+ }
+
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+[FWS] ccontent
+*/
+
+static inline int
+mailimf_comment_fws_ccontent_parse(const char * message, size_t length,
+ size_t * index)
+{
+ size_t cur_token;
+ int r;
+
+ cur_token = * index;
+
+ r = mailimf_fws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE))
+ return r;
+
+ r = mailimf_ccontent_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+comment = "(" *([FWS] ccontent) [FWS] ")"
+*/
+
+static inline int mailimf_comment_parse(const char * message, size_t length,
+ size_t * index)
+{
+ size_t cur_token;
+ int r;
+
+ cur_token = * index;
+
+ r = mailimf_oparenth_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ while (1) {
+ r = mailimf_comment_fws_ccontent_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ if (r == MAILIMF_ERROR_PARSE)
+ break;
+ else
+ return r;
+ }
+ }
+
+ r = mailimf_fws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE))
+ return r;
+
+ r = mailimf_cparenth_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+[FWS] comment
+*/
+
+static inline int mailimf_cfws_fws_comment_parse(const char * message, size_t length,
+ size_t * index)
+{
+ size_t cur_token;
+ int r;
+
+ cur_token = * index;
+
+ r = mailimf_fws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE))
+ return r;
+
+ r = mailimf_comment_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+CFWS = *([FWS] comment) (([FWS] comment) / FWS)
+*/
+
+int mailimf_cfws_parse(const char * message, size_t length,
+ size_t * index)
+{
+ size_t cur_token;
+ int has_comment;
+ int r;
+
+ cur_token = * index;
+
+ has_comment = FALSE;
+ while (1) {
+ r = mailimf_cfws_fws_comment_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ if (r == MAILIMF_ERROR_PARSE)
+ break;
+ else
+ return r;
+ }
+ has_comment = TRUE;
+ }
+
+ if (!has_comment) {
+ r = mailimf_fws_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+ }
+
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+atext = ALPHA / DIGIT / ; Any character except controls,
+ "!" / "#" / ; SP, and specials.
+ "$" / "%" / ; Used for atoms
+ "&" / "'" /
+ "*" / "+" /
+ "-" / "/" /
+ "=" / "?" /
+ "^" / "_" /
+ "`" / "{" /
+ "|" / "}" /
+ "~"
+*/
+
+static inline int is_atext(char ch)
+{
+ switch (ch) {
+ case ' ':
+ case '\t':
+ case '\n':
+ case '\r':
+#if 0
+ case '(':
+ case ')':
+#endif
+ case '<':
+ case '>':
+#if 0
+ case '@':
+#endif
+ case ',':
+ case '"':
+ case ':':
+ case ';':
+ return FALSE;
+ default:
+ return TRUE;
+ }
+}
+
+/*
+atom = [CFWS] 1*atext [CFWS]
+*/
+
+int mailimf_atom_parse(const char * message, size_t length,
+ size_t * index, char ** result)
+{
+ size_t cur_token;
+ int r;
+ int res;
+ char * atom;
+ size_t end;
+
+ cur_token = * index;
+
+ r = mailimf_cfws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
+ res = r;
+ goto err;
+ }
+
+ end = cur_token;
+ if (end >= length) {
+ res = MAILIMF_ERROR_PARSE;
+ goto err;
+ }
+
+ while (is_atext(message[end])) {
+ end ++;
+ if (end >= length)
+ break;
+ }
+ if (end == cur_token) {
+ res = MAILIMF_ERROR_PARSE;
+ goto err;
+ }
+
+ atom = malloc(end - cur_token + 1);
+ if (atom == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto err;
+ }
+ strncpy(atom, message + cur_token, end - cur_token);
+ atom[end - cur_token] = '\0';
+
+ cur_token = end;
+
+ * index = cur_token;
+ * result = atom;
+
+ return MAILIMF_NO_ERROR;
+
+ err:
+ return res;
+}
+
+int mailimf_fws_atom_parse(const char * message, size_t length,
+ size_t * index, char ** result)
+{
+ size_t cur_token;
+ int r;
+ int res;
+ char * atom;
+ size_t end;
+
+ cur_token = * index;
+
+ r = mailimf_fws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
+ res = r;
+ goto err;
+ }
+
+ end = cur_token;
+ if (end >= length) {
+ res = MAILIMF_ERROR_PARSE;
+ goto err;
+ }
+
+ while (is_atext(message[end])) {
+ end ++;
+ if (end >= length)
+ break;
+ }
+ if (end == cur_token) {
+ res = MAILIMF_ERROR_PARSE;
+ goto err;
+ }
+
+ atom = malloc(end - cur_token + 1);
+ if (atom == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto err;
+ }
+ strncpy(atom, message + cur_token, end - cur_token);
+ atom[end - cur_token] = '\0';
+
+ cur_token = end;
+
+ * index = cur_token;
+ * result = atom;
+
+ return MAILIMF_NO_ERROR;
+
+ err:
+ return res;
+}
+
+/*
+dot-atom = [CFWS] dot-atom-text [CFWS]
+*/
+
+#if 0
+static int mailimf_dot_atom_parse(const char * message, size_t length,
+ size_t * index, char ** result)
+{
+ return mailimf_atom_parse(message, length, index, result);
+}
+#endif
+
+/*
+dot-atom-text = 1*atext *("." 1*atext)
+*/
+
+#if 0
+static int
+mailimf_dot_atom_text_parse(const char * message, size_t length,
+ size_t * index, char ** result)
+{
+ return mailimf_atom_parse(message, length, index, result);
+}
+#endif
+
+/*
+qtext = NO-WS-CTL / ; Non white space controls
+
+ %d33 / ; The rest of the US-ASCII
+ %d35-91 / ; characters not including "\"
+ %d93-126 ; or the quote character
+*/
+
+static inline int is_qtext(char ch)
+{
+ unsigned char uch = (unsigned char) ch;
+
+ if (is_no_ws_ctl(ch))
+ return TRUE;
+
+ if (uch < 33)
+ return FALSE;
+
+ if (uch == 34)
+ return FALSE;
+
+ if (uch == 92)
+ return FALSE;
+
+ if (uch == 127)
+ return FALSE;
+
+ return TRUE;
+}
+
+/*
+qcontent = qtext / quoted-pair
+*/
+
+static int mailimf_qcontent_parse(const char * message, size_t length,
+ size_t * index, char * result)
+{
+ size_t cur_token;
+ char ch;
+ int r;
+
+ cur_token = * index;
+
+ if (cur_token >= length)
+ return MAILIMF_ERROR_PARSE;
+
+ if (is_qtext(message[cur_token])) {
+ ch = message[cur_token];
+ cur_token ++;
+ }
+ else {
+ r = mailimf_quoted_pair_parse(message, length, &cur_token, &ch);
+
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+ }
+
+ * result = ch;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+quoted-string = [CFWS]
+ DQUOTE *([FWS] qcontent) [FWS] DQUOTE
+ [CFWS]
+*/
+
+int mailimf_quoted_string_parse(const char * message, size_t length,
+ size_t * index, char ** result)
+{
+ size_t cur_token;
+ MMAPString * gstr;
+ char ch;
+ char * str;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_cfws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_dquote_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ gstr = mmap_string_new("");
+ if (gstr == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto err;
+ }
+
+#if 0
+ if (mmap_string_append_c(gstr, '\"') == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_gstr;
+ }
+#endif
+
+ while (1) {
+ r = mailimf_fws_parse(message, length, &cur_token);
+ if (r == MAILIMF_NO_ERROR) {
+ if (mmap_string_append_c(gstr, ' ') == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_gstr;
+ }
+ }
+ else if (r != MAILIMF_ERROR_PARSE) {
+ res = r;
+ goto free_gstr;
+ }
+
+ r = mailimf_qcontent_parse(message, length, &cur_token, &ch);
+ if (r == MAILIMF_NO_ERROR) {
+ if (mmap_string_append_c(gstr, ch) == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_gstr;
+ }
+ }
+ else if (r == MAILIMF_ERROR_PARSE)
+ break;
+ else {
+ res = r;
+ goto free_gstr;
+ }
+ }
+
+ r = mailimf_dquote_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_gstr;
+ }
+
+#if 0
+ if (mmap_string_append_c(gstr, '\"') == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_gstr;
+ }
+#endif
+
+ str = strdup(gstr->str);
+ if (str == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_gstr;
+ }
+ mmap_string_free(gstr);
+
+ * index = cur_token;
+ * result = str;
+
+ return MAILIMF_NO_ERROR;
+
+ free_gstr:
+ mmap_string_free(gstr);
+ err:
+ return res;
+}
+
+int mailimf_fws_quoted_string_parse(const char * message, size_t length,
+ size_t * index, char ** result)
+{
+ size_t cur_token;
+ MMAPString * gstr;
+ char ch;
+ char * str;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_fws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_dquote_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ gstr = mmap_string_new("");
+ if (gstr == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto err;
+ }
+
+#if 0
+ if (mmap_string_append_c(gstr, '\"') == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_gstr;
+ }
+#endif
+
+ while (1) {
+ r = mailimf_fws_parse(message, length, &cur_token);
+ if (r == MAILIMF_NO_ERROR) {
+ if (mmap_string_append_c(gstr, ' ') == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_gstr;
+ }
+ }
+ else if (r != MAILIMF_ERROR_PARSE) {
+ res = r;
+ goto free_gstr;
+ }
+
+ r = mailimf_qcontent_parse(message, length, &cur_token, &ch);
+ if (r == MAILIMF_NO_ERROR) {
+ if (mmap_string_append_c(gstr, ch) == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_gstr;
+ }
+ }
+ else if (r == MAILIMF_ERROR_PARSE)
+ break;
+ else {
+ res = r;
+ goto free_gstr;
+ }
+ }
+
+ r = mailimf_dquote_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_gstr;
+ }
+
+#if 0
+ if (mmap_string_append_c(gstr, '\"') == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_gstr;
+ }
+#endif
+
+ str = strdup(gstr->str);
+ if (str == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_gstr;
+ }
+ mmap_string_free(gstr);
+
+ * index = cur_token;
+ * result = str;
+
+ return MAILIMF_NO_ERROR;
+
+ free_gstr:
+ mmap_string_free(gstr);
+ err:
+ return res;
+}
+
+/*
+word = atom / quoted-string
+*/
+
+int mailimf_word_parse(const char * message, size_t length,
+ size_t * index, char ** result)
+{
+ size_t cur_token;
+ char * word;
+ int r;
+
+ cur_token = * index;
+
+ r = mailimf_atom_parse(message, length, &cur_token, &word);
+
+ if (r == MAILIMF_ERROR_PARSE)
+ r = mailimf_quoted_string_parse(message, length, &cur_token, &word);
+
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ * result = word;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+int mailimf_fws_word_parse(const char * message, size_t length,
+ size_t * index, char ** result)
+{
+ size_t cur_token;
+ char * word;
+ int r;
+
+ cur_token = * index;
+
+ r = mailimf_fws_atom_parse(message, length, &cur_token, &word);
+
+ if (r == MAILIMF_ERROR_PARSE)
+ r = mailimf_fws_quoted_string_parse(message, length, &cur_token, &word);
+
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ * result = word;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+phrase = 1*word / obs-phrase
+*/
+
+static int mailimf_phrase_parse(const char * message, size_t length,
+ size_t * index, char ** result)
+{
+ MMAPString * gphrase;
+ char * word;
+ int first;
+ size_t cur_token;
+ int r;
+ int res;
+ char * str;
+
+ cur_token = * index;
+
+ gphrase = mmap_string_new("");
+ if (gphrase == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto err;
+ }
+
+ first = TRUE;
+
+ while (1) {
+ r = mailimf_fws_word_parse(message, length, &cur_token, &word);
+ if (r == MAILIMF_NO_ERROR) {
+ if (!first) {
+ if (mmap_string_append_c(gphrase, ' ') == NULL) {
+ mailimf_word_free(word);
+ res = MAILIMF_ERROR_MEMORY;
+ goto free;
+ }
+ }
+ if (mmap_string_append(gphrase, word) == NULL) {
+ mailimf_word_free(word);
+ res = MAILIMF_ERROR_MEMORY;
+ goto free;
+ }
+ mailimf_word_free(word);
+ first = FALSE;
+ }
+ else if (r == MAILIMF_ERROR_PARSE)
+ break;
+ else {
+ res = r;
+ goto free;
+ }
+ }
+
+ if (first) {
+ res = MAILIMF_ERROR_PARSE;
+ goto free;
+ }
+
+ str = strdup(gphrase->str);
+ if (str == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free;
+ }
+ mmap_string_free(gphrase);
+
+ * result = str;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free:
+ mmap_string_free(gphrase);
+ err:
+ return res;
+}
+
+/*
+utext = NO-WS-CTL / ; Non white space controls
+ %d33-126 / ; The rest of US-ASCII
+ obs-utext
+
+added : WSP
+*/
+
+enum {
+ UNSTRUCTURED_START,
+ UNSTRUCTURED_CR,
+ UNSTRUCTURED_LF,
+ UNSTRUCTURED_WSP,
+ UNSTRUCTURED_OUT
+};
+
+static int mailimf_unstructured_parse(const char * message, size_t length,
+ size_t * index, char ** result)
+{
+ size_t cur_token;
+ int state;
+ size_t begin;
+ size_t terminal;
+ char * str;
+
+ cur_token = * index;
+
+
+ while (1) {
+ int r;
+
+ r = mailimf_wsp_parse(message, length, &cur_token);
+ if (r == MAILIMF_NO_ERROR) {
+ /* do nothing */
+ }
+ else if (r == MAILIMF_ERROR_PARSE)
+ break;
+ else {
+ return r;
+ }
+ }
+
+ state = UNSTRUCTURED_START;
+ begin = cur_token;
+ terminal = cur_token;
+
+ while (state != UNSTRUCTURED_OUT) {
+
+ switch(state) {
+ case UNSTRUCTURED_START:
+ if (cur_token >= length)
+ return MAILIMF_ERROR_PARSE;
+
+ terminal = cur_token;
+ switch(message[cur_token]) {
+ case '\r':
+ state = UNSTRUCTURED_CR;
+ break;
+ case '\n':
+ state = UNSTRUCTURED_LF;
+ break;
+ default:
+ state = UNSTRUCTURED_START;
+ break;
+ }
+ break;
+ case UNSTRUCTURED_CR:
+ if (cur_token >= length)
+ return MAILIMF_ERROR_PARSE;
+
+ switch(message[cur_token]) {
+ case '\n':
+ state = UNSTRUCTURED_LF;
+ break;
+ default:
+ state = UNSTRUCTURED_START;
+ break;
+ }
+ break;
+
+ case UNSTRUCTURED_LF:
+ if (cur_token >= length) {
+ state = UNSTRUCTURED_OUT;
+ break;
+ }
+
+ switch(message[cur_token]) {
+ case '\t':
+ case ' ':
+ state = UNSTRUCTURED_WSP;
+ break;
+ default:
+ state = UNSTRUCTURED_OUT;
+ break;
+ }
+ break;
+ case UNSTRUCTURED_WSP:
+ if (cur_token >= length)
+ return MAILIMF_ERROR_PARSE;
+
+ switch(message[cur_token]) {
+ case '\r':
+ state = UNSTRUCTURED_CR;
+ break;
+ case '\n':
+ state = UNSTRUCTURED_LF;
+ break;
+ default:
+ state = UNSTRUCTURED_START;
+ break;
+ }
+ break;
+ }
+
+ cur_token ++;
+ }
+
+ str = malloc(terminal - begin + 1);
+ if (str == NULL)
+ return MAILIMF_ERROR_MEMORY;
+ strncpy(str, message + begin, terminal - begin);
+ str[terminal - begin] = '\0';
+
+ * index = terminal;
+ * result = str;
+
+ return MAILIMF_NO_ERROR;
+}
+
+
+static int mailimf_ignore_unstructured_parse(const char * message, size_t length,
+ size_t * index)
+{
+ size_t cur_token;
+ int state;
+ size_t terminal;
+
+ cur_token = * index;
+
+ state = UNSTRUCTURED_START;
+ terminal = cur_token;
+
+ while (state != UNSTRUCTURED_OUT) {
+
+ switch(state) {
+ case UNSTRUCTURED_START:
+ if (cur_token >= length)
+ return MAILIMF_ERROR_PARSE;
+ terminal = cur_token;
+ switch(message[cur_token]) {
+ case '\r':
+ state = UNSTRUCTURED_CR;
+ break;
+ case '\n':
+ state = UNSTRUCTURED_LF;
+ break;
+ default:
+ state = UNSTRUCTURED_START;
+ break;
+ }
+ break;
+ case UNSTRUCTURED_CR:
+ if (cur_token >= length)
+ return MAILIMF_ERROR_PARSE;
+ switch(message[cur_token]) {
+ case '\n':
+ state = UNSTRUCTURED_LF;
+ break;
+ default:
+ state = UNSTRUCTURED_START;
+ break;
+ }
+ break;
+ case UNSTRUCTURED_LF:
+ if (cur_token >= length) {
+ state = UNSTRUCTURED_OUT;
+ break;
+ }
+ switch(message[cur_token]) {
+ case '\t':
+ case ' ':
+ state = UNSTRUCTURED_WSP;
+ break;
+ default:
+ state = UNSTRUCTURED_OUT;
+ break;
+ }
+ break;
+ case UNSTRUCTURED_WSP:
+ if (cur_token >= length)
+ return MAILIMF_ERROR_PARSE;
+ switch(message[cur_token]) {
+ case '\r':
+ state = UNSTRUCTURED_CR;
+ break;
+ case '\n':
+ state = UNSTRUCTURED_LF;
+ break;
+ default:
+ state = UNSTRUCTURED_START;
+ break;
+ }
+ break;
+ }
+
+ cur_token ++;
+ }
+
+ * index = terminal;
+
+ return MAILIMF_NO_ERROR;
+}
+
+
+int mailimf_ignore_field_parse(const char * message, size_t length,
+ size_t * index)
+{
+ int has_field;
+ size_t cur_token;
+ int state;
+ size_t terminal;
+
+ has_field = FALSE;
+ cur_token = * index;
+
+ terminal = cur_token;
+ state = UNSTRUCTURED_START;
+
+ /* check if this is not a beginning CRLF */
+
+ if (cur_token >= length)
+ return MAILIMF_ERROR_PARSE;
+
+ switch (message[cur_token]) {
+ case '\r':
+ return MAILIMF_ERROR_PARSE;
+ case '\n':
+ return MAILIMF_ERROR_PARSE;
+ }
+
+ while (state != UNSTRUCTURED_OUT) {
+
+ switch(state) {
+ case UNSTRUCTURED_START:
+ if (cur_token >= length)
+ return MAILIMF_ERROR_PARSE;
+
+ switch(message[cur_token]) {
+ case '\r':
+ state = UNSTRUCTURED_CR;
+ break;
+ case '\n':
+ state = UNSTRUCTURED_LF;
+ break;
+ case ':':
+ has_field = TRUE;
+ state = UNSTRUCTURED_START;
+ break;
+ default:
+ state = UNSTRUCTURED_START;
+ break;
+ }
+ break;
+ case UNSTRUCTURED_CR:
+ if (cur_token >= length)
+ return MAILIMF_ERROR_PARSE;
+
+ switch(message[cur_token]) {
+ case '\n':
+ state = UNSTRUCTURED_LF;
+ break;
+ case ':':
+ has_field = TRUE;
+ state = UNSTRUCTURED_START;
+ break;
+ default:
+ state = UNSTRUCTURED_START;
+ break;
+ }
+ break;
+ case UNSTRUCTURED_LF:
+ if (cur_token >= length) {
+ terminal = cur_token;
+ state = UNSTRUCTURED_OUT;
+ break;
+ }
+
+ switch(message[cur_token]) {
+ case '\t':
+ case ' ':
+ state = UNSTRUCTURED_WSP;
+ break;
+ default:
+ terminal = cur_token;
+ state = UNSTRUCTURED_OUT;
+ break;
+ }
+ break;
+ case UNSTRUCTURED_WSP:
+ if (cur_token >= length)
+ return MAILIMF_ERROR_PARSE;
+
+ switch(message[cur_token]) {
+ case '\r':
+ state = UNSTRUCTURED_CR;
+ break;
+ case '\n':
+ state = UNSTRUCTURED_LF;
+ break;
+ case ':':
+ has_field = TRUE;
+ state = UNSTRUCTURED_START;
+ break;
+ default:
+ state = UNSTRUCTURED_START;
+ break;
+ }
+ break;
+ }
+
+ cur_token ++;
+ }
+
+ if (!has_field)
+ return MAILIMF_ERROR_PARSE;
+
+ * index = terminal;
+
+ return MAILIMF_NO_ERROR;
+}
+
+
+/*
+date-time = [ day-of-week "," ] date FWS time [CFWS]
+*/
+
+int mailimf_date_time_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_date_time ** result)
+{
+ size_t cur_token;
+ int day_of_week;
+ struct mailimf_date_time * date_time;
+ int day;
+ int month;
+ int year;
+ int hour;
+ int min;
+ int sec;
+ int zone;
+ int r;
+
+ cur_token = * index;
+
+ day_of_week = -1;
+ r = mailimf_day_of_week_parse(message, length, &cur_token, &day_of_week);
+ if (r == MAILIMF_NO_ERROR) {
+ r = mailimf_comma_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+ }
+ else if (r != MAILIMF_ERROR_PARSE)
+ return r;
+
+ r = mailimf_date_parse(message, length, &cur_token, &day, &month, &year);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ r = mailimf_fws_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ r = mailimf_time_parse(message, length, &cur_token,
+ &hour, &min, &sec, &zone);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ date_time = mailimf_date_time_new(day, month, year, hour, min, sec, zone);
+ if (date_time == NULL)
+ return MAILIMF_ERROR_MEMORY;
+
+ * index = cur_token;
+ * result = date_time;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+day-of-week = ([FWS] day-name) / obs-day-of-week
+*/
+
+static int mailimf_day_of_week_parse(const char * message, size_t length,
+ size_t * index, int * result)
+{
+ size_t cur_token;
+ int day_of_week;
+ int r;
+
+ cur_token = * index;
+
+ r = mailimf_cfws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE))
+ return r;
+
+ r = mailimf_day_name_parse(message, length, &cur_token, &day_of_week);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ * index = cur_token;
+ * result = day_of_week;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+day-name = "Mon" / "Tue" / "Wed" / "Thu" /
+ "Fri" / "Sat" / "Sun"
+*/
+
+struct mailimf_token_value {
+ int value;
+ char * str;
+};
+
+static struct mailimf_token_value day_names[] = {
+ {1, "Mon"},
+ {2, "Tue"},
+ {3, "Wed"},
+ {4, "Thu"},
+ {5, "Fri"},
+ {6, "Sat"},
+ {7, "Sun"},
+};
+
+enum {
+ DAY_NAME_START,
+ DAY_NAME_T,
+ DAY_NAME_S
+};
+
+static int guess_day_name(const char * message, size_t length, size_t index)
+{
+ int state;
+
+ state = DAY_NAME_START;
+
+ while (1) {
+
+ if (index >= length)
+ return -1;
+
+ switch(state) {
+ case DAY_NAME_START:
+ switch((char) toupper((unsigned char) message[index])) {
+ case 'M': /* Mon */
+ return 1;
+ break;
+ case 'T': /* Tue Thu */
+ state = DAY_NAME_T;
+ break;
+ case 'W': /* Wed */
+ return 3;
+ case 'F':
+ return 5;
+ case 'S': /* Sat Sun */
+ state = DAY_NAME_S;
+ break;
+ default:
+ return -1;
+ }
+ break;
+ case DAY_NAME_T:
+ switch((char) toupper((unsigned char) message[index])) {
+ case 'U':
+ return 2;
+ case 'H':
+ return 4;
+ default:
+ return -1;
+ }
+ break;
+ case DAY_NAME_S:
+ switch((char) toupper((unsigned char) message[index])) {
+ case 'A':
+ return 6;
+ case 'U':
+ return 7;
+ default:
+ return -1;
+ }
+ break;
+ }
+
+ index ++;
+ }
+}
+
+static int mailimf_day_name_parse(const char * message, size_t length,
+ size_t * index, int * result)
+{
+ size_t cur_token;
+ int day_of_week;
+ int guessed_day;
+ int r;
+
+ cur_token = * index;
+
+ guessed_day = guess_day_name(message, length, cur_token);
+ if (guessed_day == -1)
+ return MAILIMF_ERROR_PARSE;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token,
+ day_names[guessed_day - 1].str);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ day_of_week = guessed_day;
+
+ * result = day_of_week;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+date = day month year
+*/
+
+static int mailimf_date_parse(const char * message, size_t length,
+ size_t * index,
+ int * pday, int * pmonth, int * pyear)
+{
+ size_t cur_token;
+ int day;
+ int month;
+ int year;
+ int r;
+
+ cur_token = * index;
+
+ r = mailimf_day_parse(message, length, &cur_token, &day);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ r = mailimf_month_parse(message, length, &cur_token, &month);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ r = mailimf_year_parse(message, length, &cur_token, &year);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ * pday = day;
+ * pmonth = month;
+ * pyear = year;
+
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+year = 4*DIGIT / obs-year
+*/
+
+static int mailimf_year_parse(const char * message, size_t length,
+ size_t * index, int * result)
+{
+ uint32_t number;
+ size_t cur_token;
+ int r;
+
+ cur_token = * index;
+
+ r = mailimf_cfws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE))
+ return r;
+
+ r = mailimf_number_parse(message, length, &cur_token, &number);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ * index = cur_token;
+ * result = number;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+month = (FWS month-name FWS) / obs-month
+*/
+
+static int mailimf_month_parse(const char * message, size_t length,
+ size_t * index, int * result)
+{
+ size_t cur_token;
+ int month;
+ int r;
+
+ cur_token = * index;
+
+ r = mailimf_cfws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE))
+ return r;
+
+ r = mailimf_month_name_parse(message, length, &cur_token, &month);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ * result = month;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+month-name = "Jan" / "Feb" / "Mar" / "Apr" /
+ "May" / "Jun" / "Jul" / "Aug" /
+ "Sep" / "Oct" / "Nov" / "Dec"
+*/
+
+static struct mailimf_token_value month_names[] = {
+ {1, "Jan"},
+ {2, "Feb"},
+ {3, "Mar"},
+ {4, "Apr"},
+ {5, "May"},
+ {6, "Jun"},
+ {7, "Jul"},
+ {8, "Aug"},
+ {9, "Sep"},
+ {10, "Oct"},
+ {11, "Nov"},
+ {12, "Dec"},
+};
+
+enum {
+ MONTH_START,
+ MONTH_J,
+ MONTH_JU,
+ MONTH_M,
+ MONTH_MA,
+ MONTH_A
+};
+
+static int guess_month(const char * message, size_t length, size_t index)
+{
+ int state;
+
+ state = MONTH_START;
+
+ while (1) {
+
+ if (index >= length)
+ return -1;
+
+ switch(state) {
+ case MONTH_START:
+ switch((char) toupper((unsigned char) message[index])) {
+ case 'J': /* Jan Jun Jul */
+ state = MONTH_J;
+ break;
+ case 'F': /* Feb */
+ return 2;
+ case 'M': /* Mar May */
+ state = MONTH_M;
+ break;
+ case 'A': /* Apr Aug */
+ state = MONTH_A;
+ break;
+ case 'S': /* Sep */
+ return 9;
+ case 'O': /* Oct */
+ return 10;
+ case 'N': /* Nov */
+ return 11;
+ case 'D': /* Dec */
+ return 12;
+ default:
+ return -1;
+ }
+ break;
+ case MONTH_J:
+ switch((char) toupper((unsigned char) message[index])) {
+ case 'A':
+ return 1;
+ case 'U':
+ state = MONTH_JU;
+ break;
+ default:
+ return -1;
+ }
+ break;
+ case MONTH_JU:
+ switch((char) toupper((unsigned char) message[index])) {
+ case 'N':
+ return 6;
+ case 'L':
+ return 7;
+ default:
+ return -1;
+ }
+ break;
+ case MONTH_M:
+ switch((char) toupper((unsigned char) message[index])) {
+ case 'A':
+ state = MONTH_MA;
+ break;
+ default:
+ return -1;
+ }
+ break;
+ case MONTH_MA:
+ switch((char) toupper((unsigned char) message[index])) {
+ case 'Y':
+ return 5;
+ case 'R':
+ return 3;
+ default:
+ return -1;
+ }
+ break;
+ case MONTH_A:
+ switch((char) toupper((unsigned char) message[index])) {
+ case 'P':
+ return 4;
+ case 'U':
+ return 8;
+ default:
+ return -1;
+ }
+ break;
+ }
+
+ index ++;
+ }
+}
+
+static int mailimf_month_name_parse(const char * message, size_t length,
+ size_t * index, int * result)
+{
+ size_t cur_token;
+ int month;
+ int guessed_month;
+ int r;
+
+ cur_token = * index;
+
+ guessed_month = guess_month(message, length, cur_token);
+ if (guessed_month == -1)
+ return MAILIMF_ERROR_PARSE;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token,
+ month_names[guessed_month - 1].str);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ month = guessed_month;
+
+ * result = month;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+day = ([FWS] 1*2DIGIT) / obs-day
+*/
+
+static int mailimf_day_parse(const char * message, size_t length,
+ size_t * index, int * result)
+{
+ size_t cur_token;
+ uint32_t day;
+ int r;
+
+ cur_token = * index;
+
+ r = mailimf_cfws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE))
+ return r;
+
+ r = mailimf_number_parse(message, length, &cur_token, &day);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ * result = day;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+time = time-of-day FWS zone
+*/
+
+static int mailimf_time_parse(const char * message, size_t length,
+ size_t * index,
+ int * phour, int * pmin,
+ int * psec,
+ int * pzone)
+{
+ size_t cur_token;
+ int hour;
+ int min;
+ int sec;
+ int zone;
+ int r;
+
+ cur_token = * index;
+
+ r = mailimf_cfws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE))
+ return r;
+
+ r = mailimf_time_of_day_parse(message, length, &cur_token,
+ &hour, &min, &sec);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ r = mailimf_fws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE))
+ return r;
+
+ r = mailimf_zone_parse(message, length, &cur_token, &zone);
+ if (r == MAILIMF_NO_ERROR) {
+ /* do nothing */
+ }
+ else if (r == MAILIMF_ERROR_PARSE) {
+ zone = 0;
+ }
+ else {
+ return r;
+ }
+
+ * phour = hour;
+ * pmin = min;
+ * psec = sec;
+ * pzone = zone;
+
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+time-of-day = hour ":" minute [ ":" second ]
+*/
+
+static int mailimf_time_of_day_parse(const char * message, size_t length,
+ size_t * index,
+ int * phour, int * pmin,
+ int * psec)
+{
+ int hour;
+ int min;
+ int sec;
+ size_t cur_token;
+ int r;
+
+ cur_token = * index;
+
+ r = mailimf_hour_parse(message, length, &cur_token, &hour);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ r = mailimf_minute_parse(message, length, &cur_token, &min);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r == MAILIMF_NO_ERROR) {
+ r = mailimf_second_parse(message, length, &cur_token, &sec);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+ }
+ else if (r == MAILIMF_ERROR_PARSE)
+ sec = 0;
+ else
+ return r;
+
+ * phour = hour;
+ * pmin = min;
+ * psec = sec;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+hour = 2DIGIT / obs-hour
+*/
+
+static int mailimf_hour_parse(const char * message, size_t length,
+ size_t * index, int * result)
+{
+ uint32_t hour;
+ int r;
+
+ r = mailimf_number_parse(message, length, index, &hour);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ * result = hour;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+minute = 2DIGIT / obs-minute
+*/
+
+static int mailimf_minute_parse(const char * message, size_t length,
+ size_t * index, int * result)
+{
+ uint32_t minute;
+ int r;
+
+ r = mailimf_number_parse(message, length, index, &minute);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ * result = minute;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+second = 2DIGIT / obs-second
+*/
+
+static int mailimf_second_parse(const char * message, size_t length,
+ size_t * index, int * result)
+{
+ uint32_t second;
+ int r;
+
+ r = mailimf_number_parse(message, length, index, &second);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ * result = second;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+zone = (( "+" / "-" ) 4DIGIT) / obs-zone
+*/
+
+/*
+obs-zone = "UT" / "GMT" / ; Universal Time
+ ; North American UT
+ ; offsets
+ "EST" / "EDT" / ; Eastern: - 5/ - 4
+ "CST" / "CDT" / ; Central: - 6/ - 5
+ "MST" / "MDT" / ; Mountain: - 7/ - 6
+ "PST" / "PDT" / ; Pacific: - 8/ - 7
+
+ %d65-73 / ; Military zones - "A"
+ %d75-90 / ; through "I" and "K"
+ %d97-105 / ; through "Z", both
+ %d107-122 ; upper and lower case
+*/
+
+enum {
+ STATE_ZONE_1 = 0,
+ STATE_ZONE_2 = 1,
+ STATE_ZONE_3 = 2,
+ STATE_ZONE_OK = 3,
+ STATE_ZONE_ERR = 4,
+ STATE_ZONE_CONT = 5,
+};
+
+static int mailimf_zone_parse(const char * message, size_t length,
+ size_t * index, int * result)
+{
+ uint32_t zone;
+ int sign;
+ size_t cur_token;
+ int r;
+
+ cur_token = * index;
+
+ if (cur_token + 1 < length) {
+ if ((message[cur_token] == 'U') && (message[cur_token] == 'T')) {
+ * result = TRUE;
+ * index = cur_token + 2;
+
+ return MAILIMF_NO_ERROR;
+ }
+ }
+
+ if (cur_token + 2 < length) {
+ int state;
+
+ state = STATE_ZONE_1;
+
+ while (state <= 2) {
+ switch (state) {
+ case STATE_ZONE_1:
+ switch (message[cur_token]) {
+ case 'G':
+ if (message[cur_token + 1] == 'M' && message[cur_token + 2] == 'T') {
+ zone = 0;
+ state = STATE_ZONE_OK;
+ }
+ else {
+ state = STATE_ZONE_ERR;
+ }
+ break;
+ case 'E':
+ zone = -5;
+ state = STATE_ZONE_2;
+ break;
+ case 'C':
+ zone = -6;
+ state = STATE_ZONE_2;
+ break;
+ case 'M':
+ zone = -7;
+ state = STATE_ZONE_2;
+ break;
+ case 'P':
+ zone = -8;
+ state = STATE_ZONE_2;
+ break;
+ default:
+ state = STATE_ZONE_CONT;
+ break;
+ }
+ break;
+ case STATE_ZONE_2:
+ switch (message[cur_token + 1]) {
+ case 'S':
+ state = STATE_ZONE_3;
+ break;
+ case 'D':
+ zone ++;
+ state = STATE_ZONE_3;
+ break;
+ default:
+ state = STATE_ZONE_ERR;
+ break;
+ }
+ break;
+ case STATE_ZONE_3:
+ if (message[cur_token + 2] == 'T') {
+ zone *= 100;
+ state = STATE_ZONE_OK;
+ }
+ else
+ state = STATE_ZONE_ERR;
+ break;
+ }
+ }
+
+ switch (state) {
+ case STATE_ZONE_OK:
+ * result = zone;
+ * index = cur_token + 3;
+ return MAILIMF_NO_ERROR;
+
+ case STATE_ZONE_ERR:
+ return MAILIMF_ERROR_PARSE;
+ }
+ }
+
+ sign = 1;
+ r = mailimf_plus_parse(message, length, &cur_token);
+ if (r == MAILIMF_NO_ERROR)
+ sign = 1;
+
+ if (r == MAILIMF_ERROR_PARSE) {
+ r = mailimf_minus_parse(message, length, &cur_token);
+ if (r == MAILIMF_NO_ERROR)
+ sign = -1;
+ }
+
+ if (r == MAILIMF_NO_ERROR) {
+ /* do nothing */
+ }
+ else if (r == MAILIMF_ERROR_PARSE)
+ sign = 1;
+ else
+ return r;
+
+ r = mailimf_number_parse(message, length, &cur_token, &zone);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ zone = zone * sign;
+
+ * index = cur_token;
+ * result = zone;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+address = mailbox / group
+*/
+
+int mailimf_address_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_address ** result)
+{
+ int type;
+ size_t cur_token;
+ struct mailimf_mailbox * mailbox;
+ struct mailimf_group * group;
+ struct mailimf_address * address;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ mailbox = NULL;
+ group = NULL;
+
+ type = MAILIMF_ADDRESS_ERROR; /* XXX - removes a gcc warning */
+ r = mailimf_group_parse(message, length, &cur_token, &group);
+ if (r == MAILIMF_NO_ERROR)
+ type = MAILIMF_ADDRESS_GROUP;
+
+ if (r == MAILIMF_ERROR_PARSE) {
+ r = mailimf_mailbox_parse(message, length, &cur_token, &mailbox);
+ if (r == MAILIMF_NO_ERROR)
+ type = MAILIMF_ADDRESS_MAILBOX;
+ }
+
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ address = mailimf_address_new(type, mailbox, group);
+ if (address == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free;
+ }
+
+ * result = address;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free:
+ if (mailbox != NULL)
+ mailimf_mailbox_free(mailbox);
+ if (group != NULL)
+ mailimf_group_free(group);
+ err:
+ return res;
+}
+
+
+/*
+mailbox = name-addr / addr-spec
+*/
+
+
+int mailimf_mailbox_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_mailbox ** result)
+{
+ size_t cur_token;
+ char * display_name;
+ struct mailimf_mailbox * mailbox;
+ char * addr_spec;
+ int r;
+ int res;
+
+ cur_token = * index;
+ display_name = NULL;
+ addr_spec = NULL;
+
+ r = mailimf_name_addr_parse(message, length, &cur_token,
+ &display_name, &addr_spec);
+ if (r == MAILIMF_ERROR_PARSE)
+ r = mailimf_addr_spec_parse(message, length, &cur_token, &addr_spec);
+
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ mailbox = mailimf_mailbox_new(display_name, addr_spec);
+ if (mailbox == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free;
+ }
+
+ * result = mailbox;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free:
+ if (display_name != NULL)
+ mailimf_display_name_free(display_name);
+ if (addr_spec != NULL)
+ mailimf_addr_spec_free(addr_spec);
+ err:
+ return res;
+}
+
+/*
+name-addr = [display-name] angle-addr
+*/
+
+static int mailimf_name_addr_parse(const char * message, size_t length,
+ size_t * index,
+ char ** pdisplay_name,
+ char ** pangle_addr)
+{
+ char * display_name;
+ char * angle_addr;
+ size_t cur_token;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ display_name = NULL;
+ angle_addr = NULL;
+
+ r = mailimf_display_name_parse(message, length, &cur_token, &display_name);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_angle_addr_parse(message, length, &cur_token, &angle_addr);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_display_name;
+ }
+
+ * pdisplay_name = display_name;
+ * pangle_addr = angle_addr;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_display_name:
+ if (display_name != NULL)
+ mailimf_display_name_free(display_name);
+ err:
+ return res;
+}
+
+/*
+angle-addr = [CFWS] "<" addr-spec ">" [CFWS] / obs-angle-addr
+*/
+
+static int mailimf_angle_addr_parse(const char * message, size_t length,
+ size_t * index, char ** result)
+{
+ size_t cur_token;
+ char * addr_spec;
+ int r;
+
+ cur_token = * index;
+
+ r = mailimf_cfws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE))
+ return r;
+
+ r = mailimf_lower_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ r = mailimf_addr_spec_parse(message, length, &cur_token, &addr_spec);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ r = mailimf_greater_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ free(addr_spec);
+ return r;
+ }
+
+ * result = addr_spec;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+group = display-name ":" [mailbox-list / CFWS] ";"
+ [CFWS]
+*/
+
+static int mailimf_group_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_group ** result)
+{
+ size_t cur_token;
+ char * display_name;
+ struct mailimf_mailbox_list * mailbox_list;
+ struct mailimf_group * group;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ mailbox_list = NULL;
+
+ r = mailimf_display_name_parse(message, length, &cur_token, &display_name);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_display_name;
+ }
+
+ r = mailimf_mailbox_list_parse(message, length, &cur_token, &mailbox_list);
+ switch (r) {
+ case MAILIMF_NO_ERROR:
+ break;
+ case MAILIMF_ERROR_PARSE:
+ r = mailimf_cfws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE))
+ return r;
+ break;
+ default:
+ return r;
+ }
+
+ r = mailimf_semi_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_mailbox_list;
+ }
+
+ group = mailimf_group_new(display_name, mailbox_list);
+ if (group == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_mailbox_list;
+ }
+
+ * index = cur_token;
+ * result = group;
+
+ return MAILIMF_NO_ERROR;
+
+ free_mailbox_list:
+ mailimf_mailbox_list_free(mailbox_list);
+ free_display_name:
+ mailimf_display_name_free(display_name);
+ err:
+ return res;
+}
+
+/*
+display-name = phrase
+*/
+
+static int mailimf_display_name_parse(const char * message, size_t length,
+ size_t * index, char ** result)
+{
+ return mailimf_phrase_parse(message, length, index, result);
+}
+
+/*
+mailbox-list = (mailbox *("," mailbox)) / obs-mbox-list
+*/
+
+int
+mailimf_mailbox_list_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_mailbox_list ** result)
+{
+ size_t cur_token;
+ clist * list;
+ struct mailimf_mailbox_list * mailbox_list;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_struct_list_parse(message, length,
+ &cur_token, &list, ',',
+ (mailimf_struct_parser *)
+ mailimf_mailbox_parse,
+ (mailimf_struct_destructor *)
+ mailimf_mailbox_free);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ mailbox_list = mailimf_mailbox_list_new(list);
+ if (mailbox_list == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ * result = mailbox_list;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_list:
+ clist_foreach(list, (clist_func) mailimf_mailbox_free, NULL);
+ clist_free(list);
+ err:
+ return res;
+}
+
+/*
+address-list = (address *("," address)) / obs-addr-list
+*/
+
+
+int
+mailimf_address_list_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_address_list ** result)
+{
+ size_t cur_token;
+ clist * list;
+ struct mailimf_address_list * address_list;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_struct_list_parse(message, length,
+ &cur_token, &list, ',',
+ (mailimf_struct_parser *)
+ mailimf_address_parse,
+ (mailimf_struct_destructor *)
+ mailimf_address_free);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ address_list = mailimf_address_list_new(list);
+ if (address_list == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ * result = address_list;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_list:
+ clist_foreach(list, (clist_func) mailimf_address_free, NULL);
+ clist_free(list);
+ err:
+ return res;
+}
+
+/*
+addr-spec = local-part "@" domain
+*/
+
+
+static int mailimf_addr_spec_parse(const char * message, size_t length,
+ size_t * index,
+ char ** result)
+{
+ size_t cur_token;
+#if 0
+ char * local_part;
+ char * domain;
+#endif
+ char * addr_spec;
+ int r;
+ int res;
+ size_t begin;
+ size_t end;
+ int final;
+ size_t count;
+ const char * src;
+ char * dest;
+ size_t i;
+
+ cur_token = * index;
+
+ r = mailimf_cfws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
+ res = r;
+ goto err;
+ }
+
+ end = cur_token;
+ if (end >= length) {
+ res = MAILIMF_ERROR_PARSE;
+ goto err;
+ }
+
+ begin = cur_token;
+
+ final = FALSE;
+ while (1) {
+ switch (message[end]) {
+ case '>':
+ case ',':
+ case '\r':
+ case '\n':
+ case '(':
+ case ')':
+ case ':':
+ case ';':
+ final = TRUE;
+ break;
+ }
+
+ if (final)
+ break;
+
+ end ++;
+ if (end >= length)
+ break;
+ }
+
+ if (end == begin) {
+ res = MAILIMF_ERROR_PARSE;
+ goto err;
+ }
+
+ addr_spec = malloc(end - cur_token + 1);
+ if (addr_spec == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto err;
+ }
+
+ count = end - cur_token;
+ src = message + cur_token;
+ dest = addr_spec;
+ for(i = 0 ; i < count ; i ++) {
+ if ((* src != ' ') && (* src != '\t')) {
+ * dest = * src;
+ dest ++;
+ }
+ src ++;
+ }
+ * dest = '\0';
+
+#if 0
+ strncpy(addr_spec, message + cur_token, end - cur_token);
+ addr_spec[end - cur_token] = '\0';
+#endif
+
+ cur_token = end;
+
+#if 0
+ r = mailimf_local_part_parse(message, length, &cur_token, &local_part);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_at_sign_parse(message, length, &cur_token);
+ switch (r) {
+ case MAILIMF_NO_ERROR:
+ r = mailimf_domain_parse(message, length, &cur_token, &domain);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_local_part;
+ }
+ break;
+
+ case MAILIMF_ERROR_PARSE:
+ domain = NULL;
+ break;
+
+ default:
+ res = r;
+ goto free_local_part;
+ }
+
+ if (domain) {
+ addr_spec = malloc(strlen(local_part) + strlen(domain) + 2);
+ if (addr_spec == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_domain;
+ }
+
+ strcpy(addr_spec, local_part);
+ strcat(addr_spec, "@");
+ strcat(addr_spec, domain);
+
+ mailimf_domain_free(domain);
+ mailimf_local_part_free(local_part);
+ }
+ else {
+ addr_spec = local_part;
+ }
+#endif
+
+ * result = addr_spec;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+#if 0
+ free_domain:
+ mailimf_domain_free(domain);
+ free_local_part:
+ mailimf_local_part_free(local_part);
+#endif
+ err:
+ return res;
+}
+
+/*
+local-part = dot-atom / quoted-string / obs-local-part
+*/
+
+#if 0
+static int mailimf_local_part_parse(const char * message, size_t length,
+ size_t * index,
+ char ** result)
+{
+ int r;
+
+ r = mailimf_dot_atom_parse(message, length, index, result);
+ switch (r) {
+ case MAILIMF_NO_ERROR:
+ return r;
+ case MAILIMF_ERROR_PARSE:
+ break;
+ default:
+ return r;
+ }
+
+ r = mailimf_quoted_string_parse(message, length, index, result);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ return MAILIMF_NO_ERROR;
+}
+#endif
+
+/*
+domain = dot-atom / domain-literal / obs-domain
+*/
+
+#if 0
+static int mailimf_domain_parse(const char * message, size_t length,
+ size_t * index,
+ char ** result)
+{
+ int r;
+
+ r = mailimf_dot_atom_parse(message, length, index, result);
+ switch (r) {
+ case MAILIMF_NO_ERROR:
+ return r;
+ case MAILIMF_ERROR_PARSE:
+ break;
+ default:
+ return r;
+ }
+
+ r = mailimf_domain_literal_parse(message, length, index, result);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ return MAILIMF_NO_ERROR;
+}
+#endif
+
+/*
+[FWS] dcontent
+*/
+
+#if 0
+static int
+mailimf_domain_literal_fws_dcontent_parse(const char * message, size_t length,
+ size_t * index)
+{
+ size_t cur_token;
+ char ch;
+ int r;
+
+ cur_token = * index;
+
+ r = mailimf_cfws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE))
+ return r;
+
+ r = mailimf_dcontent_parse(message, length, &cur_token, &ch);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+#endif
+
+/*
+domain-literal = [CFWS] "[" *([FWS] dcontent) [FWS] "]" [CFWS]
+*/
+
+#if 0
+static int mailimf_domain_literal_parse(const char * message, size_t length,
+ size_t * index, char ** result)
+{
+ size_t cur_token;
+ int len;
+ int begin;
+ char * domain_literal;
+ int r;
+
+ cur_token = * index;
+
+ r = mailimf_cfws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE))
+ return r;
+
+ begin = cur_token;
+ r = mailimf_obracket_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ while (1) {
+ r = mailimf_domain_literal_fws_dcontent_parse(message, length,
+ &cur_token);
+ if (r == MAILIMF_NO_ERROR) {
+ /* do nothing */
+ }
+ else if (r == MAILIMF_ERROR_PARSE)
+ break;
+ else
+ return r;
+ }
+
+ r = mailimf_fws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE))
+ return r;
+
+ r = mailimf_cbracket_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ len = cur_token - begin;
+
+ domain_literal = malloc(len + 1);
+ if (domain_literal == NULL)
+ return MAILIMF_ERROR_MEMORY;
+ strncpy(domain_literal, message + begin, len);
+ domain_literal[len] = '\0';
+
+ * result = domain_literal;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+#endif
+
+/*
+dcontent = dtext / quoted-pair
+*/
+
+#if 0
+static int mailimf_dcontent_parse(const char * message, size_t length,
+ size_t * index, char * result)
+{
+ size_t cur_token;
+ char ch;
+ int r;
+
+ cur_token = * index;
+
+ if (cur_token >= length)
+ return MAILIMF_ERROR_PARSE;
+
+ if (is_dtext(message[cur_token])) {
+ ch = message[cur_token];
+ cur_token ++;
+ }
+ else {
+ r = mailimf_quoted_pair_parse(message, length, &cur_token, &ch);
+
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+ }
+
+ * index = cur_token;
+ * result = ch;
+
+ return MAILIMF_NO_ERROR;
+}
+#endif
+
+
+/*
+dtext = NO-WS-CTL / ; Non white space controls
+
+ %d33-90 / ; The rest of the US-ASCII
+ %d94-126 ; characters not including "[",
+ ; "]", or "\"
+*/
+
+static inline int is_dtext(char ch)
+{
+ unsigned char uch = (unsigned char) ch;
+
+ if (is_no_ws_ctl(ch))
+ return TRUE;
+
+ if (uch < 33)
+ return FALSE;
+
+ if ((uch >= 91) && (uch <= 93))
+ return FALSE;
+
+ if (uch == 127)
+ return FALSE;
+
+ return TRUE;
+}
+
+/*
+message = (fields / obs-fields)
+ [CRLF body]
+*/
+
+int mailimf_message_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_message ** result)
+{
+ struct mailimf_fields * fields;
+ struct mailimf_body * body;
+ struct mailimf_message * msg;
+ size_t cur_token;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_fields_parse(message, length, &cur_token, &fields);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_crlf_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_body_parse(message, length, &cur_token, &body);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_fields;
+ }
+
+ msg = mailimf_message_new(fields, body);
+ if (msg == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_body;
+ }
+
+ * index = cur_token;
+ * result = msg;
+
+ return MAILIMF_NO_ERROR;
+
+ free_body:
+ mailimf_body_free(body);
+ free_fields:
+ mailimf_fields_free(fields);
+ err:
+ return res;
+}
+
+/*
+body = *(*998text CRLF) *998text
+*/
+
+int mailimf_body_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_body ** result)
+{
+ size_t cur_token;
+ struct mailimf_body * body;
+
+ cur_token = * index;
+
+ body = mailimf_body_new(message + cur_token, length - cur_token);
+ if (body == NULL)
+ return MAILIMF_ERROR_MEMORY;
+
+ cur_token = length;
+
+ * result = body;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+CHANGE TO THE RFC 2822
+
+original :
+
+fields = *(trace
+ *(resent-date /
+ resent-from /
+ resent-sender /
+ resent-to /
+ resent-cc /
+ resent-bcc /
+ resent-msg-id))
+ *(orig-date /
+ from /
+ sender /
+ reply-to /
+ to /
+ cc /
+ bcc /
+ message-id /
+ in-reply-to /
+ references /
+ subject /
+ comments /
+ keywords /
+ optional-field)
+
+INTO THE FOLLOWING :
+*/
+
+/*
+resent-fields-list = *(resent-date /
+ resent-from /
+ resent-sender /
+ resent-to /
+ resent-cc /
+ resent-bcc /
+ resent-msg-id))
+*/
+
+#if 0
+enum {
+ RESENT_HEADER_START,
+};
+
+static int guess_resent_header_type(char * message,
+ size_t length, size_t index)
+{
+ int r;
+
+ r = mailimf_token_case_insensitive_parse(message,
+ length, &index, "Resent-");
+ if (r != MAILIMF_NO_ERROR)
+ return MAILIMF_RESENT_FIELD_NONE;
+
+ if (index >= length)
+ return MAILIMF_RESENT_FIELD_NONE;
+
+ switch(toupper(message[index])) {
+ case 'D':
+ return MAILIMF_RESENT_FIELD_DATE;
+ case 'F':
+ return MAILIMF_RESENT_FIELD_FROM;
+ case 'S':
+ return MAILIMF_RESENT_FIELD_SENDER;
+ case 'T':
+ return MAILIMF_RESENT_FIELD_TO;
+ case 'C':
+ return MAILIMF_RESENT_FIELD_CC;
+ case 'B':
+ return MAILIMF_RESENT_FIELD_BCC;
+ case 'M':
+ return MAILIMF_RESENT_FIELD_MSG_ID;
+ default:
+ return MAILIMF_RESENT_FIELD_NONE;
+ }
+}
+#endif
+
+#if 0
+static int
+mailimf_resent_field_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_resent_field ** result)
+{
+ struct mailimf_orig_date * resent_date;
+ struct mailimf_from * resent_from;
+ struct mailimf_sender * resent_sender;
+ struct mailimf_to* resent_to;
+ struct mailimf_cc * resent_cc;
+ struct mailimf_bcc * resent_bcc;
+ struct mailimf_message_id * resent_msg_id;
+ size_t cur_token;
+ int type;
+ struct mailimf_resent_field * resent_field;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ resent_date = NULL;
+ resent_from = NULL;
+ resent_sender = NULL;
+ resent_to = NULL;
+ resent_cc = NULL;
+ resent_bcc = NULL;
+ resent_msg_id = NULL;
+
+ type = guess_resent_header_type(message, length, cur_token);
+
+ switch(type) {
+ case MAILIMF_RESENT_FIELD_DATE:
+ r = mailimf_resent_date_parse(message, length, &cur_token,
+ &resent_date);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_RESENT_FIELD_FROM:
+ r = mailimf_resent_from_parse(message, length, &cur_token,
+ &resent_from);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_RESENT_FIELD_SENDER:
+ r = mailimf_resent_sender_parse(message, length, &cur_token,
+ &resent_sender);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_RESENT_FIELD_TO:
+ r = mailimf_resent_to_parse(message, length, &cur_token,
+ &resent_to);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_RESENT_FIELD_CC:
+ r= mailimf_resent_cc_parse(message, length, &cur_token,
+ &resent_cc);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_RESENT_FIELD_BCC:
+ r = mailimf_resent_bcc_parse(message, length, &cur_token,
+ &resent_bcc);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_RESENT_FIELD_MSG_ID:
+ r = mailimf_resent_msg_id_parse(message, length, &cur_token,
+ &resent_msg_id);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+ break;
+ default:
+ res = MAILIMF_ERROR_PARSE;
+ goto err;
+ }
+
+ resent_field = mailimf_resent_field_new(type, resent_date,
+ resent_from, resent_sender,
+ resent_to, resent_cc,
+ resent_bcc, resent_msg_id);
+ if (resent_field == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_resent;
+ }
+
+ * result = resent_field;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_resent:
+ if (resent_msg_id != NULL)
+ mailimf_message_id_free(resent_msg_id);
+ if (resent_bcc != NULL)
+ mailimf_bcc_free(resent_bcc);
+ if (resent_cc != NULL)
+ mailimf_cc_free(resent_cc);
+ if (resent_to != NULL)
+ mailimf_to_free(resent_to);
+ if (resent_sender != NULL)
+ mailimf_sender_free(resent_sender);
+ if (resent_from != NULL)
+ mailimf_from_free(resent_from);
+ if (resent_date != NULL)
+ mailimf_orig_date_free(resent_date);
+ err:
+ return res;
+}
+#endif
+
+#if 0
+static int
+mailimf_resent_fields_list_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_resent_fields_list ** result)
+{
+ clist * list;
+ size_t cur_token;
+ struct mailimf_resent_fields_list * resent_fields_list;
+ int r;
+ int res;
+
+ cur_token = * index;
+ list = NULL;
+
+ r = mailimf_struct_multiple_parse(message, length, &cur_token, &list,
+ (mailimf_struct_parser *)
+ mailimf_resent_field_parse,
+ (mailimf_struct_destructor *)
+ mailimf_resent_field_free);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ resent_fields_list = mailimf_resent_fields_list_new(list);
+ if (resent_fields_list == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ * result = resent_fields_list;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_list:
+ clist_foreach(list, (clist_func) mailimf_resent_field_free, NULL);
+ clist_free(list);
+ err:
+ return res;
+}
+#endif
+
+/*
+ ([trace]
+ [resent-fields-list])
+*/
+
+#if 0
+static int
+mailimf_trace_resent_fields_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_trace_resent_fields ** result)
+{
+ size_t cur_token;
+ struct mailimf_return * return_path;
+ struct mailimf_resent_fields_list * resent_fields;
+ struct mailimf_trace_resent_fields * trace_resent_fields;
+ int res;
+ int r;
+
+ cur_token = * index;
+
+ return_path = NULL;
+ resent_fields = NULL;
+
+ r = mailimf_return_parse(message, length, &cur_token,
+ &return_path);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_resent_fields_list_parse(message, length, &cur_token,
+ &resent_fields);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
+ res = r;
+ goto err;
+ }
+
+ if ((return_path == NULL) && (resent_fields == NULL)) {
+ res = MAILIMF_ERROR_PARSE;
+ goto err;
+ }
+
+ trace_resent_fields = mailimf_trace_resent_fields_new(return_path,
+ resent_fields);
+ if (trace_resent_fields == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_resent_fields;
+ }
+
+ * result = trace_resent_fields;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_resent_fields:
+ if (resent_fields != NULL)
+ mailimf_resent_fields_list_free(resent_fields);
+ if (return_path != NULL)
+ mailimf_return_free(return_path);
+ err:
+ return res;
+}
+#endif
+
+/*
+delivering-info = *([trace]
+ [resent-fields-list])
+*/
+
+#if 0
+static int
+mailimf_delivering_info_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_delivering_info ** result)
+{
+ size_t cur_token;
+ clist * list;
+ struct mailimf_delivering_info * delivering_info;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_struct_multiple_parse(message, length, &cur_token,
+ &list,
+ (mailimf_struct_parser *)
+ mailimf_trace_resent_fields_parse,
+ (mailimf_struct_destructor *)
+ mailimf_trace_resent_fields_free);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ delivering_info = mailimf_delivering_info_new(list);
+ if (delivering_info == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ * result = delivering_info;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_list:
+ clist_foreach(list, (clist_func) mailimf_trace_resent_fields_free, NULL);
+ clist_free(list);
+ err:
+ return res;
+}
+#endif
+
+/*
+field = delivering-info /
+ orig-date /
+ from /
+ sender /
+ reply-to /
+ to /
+ cc /
+ bcc /
+ message-id /
+ in-reply-to /
+ references /
+ subject /
+ comments /
+ keywords /
+ optional-field
+*/
+
+enum {
+ HEADER_START,
+ HEADER_C,
+ HEADER_R,
+ HEADER_RE,
+ HEADER_S,
+ HEADER_RES,
+};
+
+static int guess_header_type(const char * message, size_t length, size_t index)
+{
+ int state;
+ int r;
+
+ state = HEADER_START;
+
+ while (1) {
+
+ if (index >= length)
+ return MAILIMF_FIELD_NONE;
+
+ switch(state) {
+ case HEADER_START:
+ switch((char) toupper((unsigned char) message[index])) {
+ case 'B':
+ return MAILIMF_FIELD_BCC;
+ case 'C':
+ state = HEADER_C;
+ break;
+ case 'D':
+ return MAILIMF_FIELD_ORIG_DATE;
+ case 'F':
+ return MAILIMF_FIELD_FROM;
+ case 'I':
+ return MAILIMF_FIELD_IN_REPLY_TO;
+ case 'K':
+ return MAILIMF_FIELD_KEYWORDS;
+ case 'M':
+ return MAILIMF_FIELD_MESSAGE_ID;
+ case 'R':
+ state = HEADER_R;
+ break;
+ case 'T':
+ return MAILIMF_FIELD_TO;
+ break;
+ case 'S':
+ state = HEADER_S;
+ break;
+ default:
+ return MAILIMF_FIELD_NONE;
+ }
+ break;
+ case HEADER_C:
+ switch((char) toupper((unsigned char) message[index])) {
+ case 'O':
+ return MAILIMF_FIELD_COMMENTS;
+ case 'C':
+ return MAILIMF_FIELD_CC;
+ default:
+ return MAILIMF_FIELD_NONE;
+ }
+ break;
+ case HEADER_R:
+ switch((char) toupper((unsigned char) message[index])) {
+ case 'E':
+ state = HEADER_RE;
+ break;
+ default:
+ return MAILIMF_FIELD_NONE;
+ }
+ break;
+ case HEADER_RE:
+ switch((char) toupper((unsigned char) message[index])) {
+ case 'F':
+ return MAILIMF_FIELD_REFERENCES;
+ case 'P':
+ return MAILIMF_FIELD_REPLY_TO;
+ case 'S':
+ state = HEADER_RES;
+ break;
+ case 'T':
+ return MAILIMF_FIELD_RETURN_PATH;
+ default:
+ return MAILIMF_FIELD_NONE;
+ }
+ break;
+ case HEADER_S:
+ switch((char) toupper((unsigned char) message[index])) {
+ case 'E':
+ return MAILIMF_FIELD_SENDER;
+ case 'U':
+ return MAILIMF_FIELD_SUBJECT;
+ default:
+ return MAILIMF_FIELD_NONE;
+ }
+ break;
+
+ case HEADER_RES:
+ r = mailimf_token_case_insensitive_parse(message,
+ length, &index, "ent-");
+ if (r != MAILIMF_NO_ERROR)
+ return MAILIMF_FIELD_NONE;
+
+ if (index >= length)
+ return MAILIMF_FIELD_NONE;
+
+ switch((char) toupper((unsigned char) message[index])) {
+ case 'D':
+ return MAILIMF_FIELD_RESENT_DATE;
+ case 'F':
+ return MAILIMF_FIELD_RESENT_FROM;
+ case 'S':
+ return MAILIMF_FIELD_RESENT_SENDER;
+ case 'T':
+ return MAILIMF_FIELD_RESENT_TO;
+ case 'C':
+ return MAILIMF_FIELD_RESENT_CC;
+ case 'B':
+ return MAILIMF_FIELD_RESENT_BCC;
+ case 'M':
+ return MAILIMF_FIELD_RESENT_MSG_ID;
+ default:
+ return MAILIMF_FIELD_NONE;
+ }
+ break;
+ }
+ index ++;
+ }
+}
+
+static int mailimf_field_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_field ** result)
+{
+ size_t cur_token;
+ int type;
+ struct mailimf_return * return_path;
+ struct mailimf_orig_date * resent_date;
+ struct mailimf_from * resent_from;
+ struct mailimf_sender * resent_sender;
+ struct mailimf_to* resent_to;
+ struct mailimf_cc * resent_cc;
+ struct mailimf_bcc * resent_bcc;
+ struct mailimf_message_id * resent_msg_id;
+ struct mailimf_orig_date * orig_date;
+ struct mailimf_from * from;
+ struct mailimf_sender * sender;
+ struct mailimf_reply_to * reply_to;
+ struct mailimf_to * to;
+ struct mailimf_cc * cc;
+ struct mailimf_bcc * bcc;
+ struct mailimf_message_id * message_id;
+ struct mailimf_in_reply_to * in_reply_to;
+ struct mailimf_references * references;
+ struct mailimf_subject * subject;
+ struct mailimf_comments * comments;
+ struct mailimf_keywords * keywords;
+ struct mailimf_optional_field * optional_field;
+ struct mailimf_field * field;
+ int guessed_type;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ return_path = NULL;
+ resent_date = NULL;
+ resent_from = NULL;
+ resent_sender = NULL;
+ resent_to = NULL;
+ resent_cc = NULL;
+ resent_bcc = NULL;
+ resent_msg_id = NULL;
+ orig_date = NULL;
+ from = NULL;
+ sender = NULL;
+ reply_to = NULL;
+ to = NULL;
+ cc = NULL;
+ bcc = NULL;
+ message_id = NULL;
+ in_reply_to = NULL;
+ references = NULL;
+ subject = NULL;
+ comments = NULL;
+ keywords = NULL;
+ optional_field = NULL;
+
+ guessed_type = guess_header_type(message, length, cur_token);
+ type = MAILIMF_FIELD_NONE;
+
+ switch (guessed_type) {
+ case MAILIMF_FIELD_ORIG_DATE:
+ r = mailimf_orig_date_parse(message, length, &cur_token,
+ &orig_date);
+ if (r == MAILIMF_NO_ERROR)
+ type = MAILIMF_FIELD_ORIG_DATE;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_FROM:
+ r = mailimf_from_parse(message, length, &cur_token,
+ &from);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_SENDER:
+ r = mailimf_sender_parse(message, length, &cur_token,
+ &sender);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_REPLY_TO:
+ r = mailimf_reply_to_parse(message, length, &cur_token,
+ &reply_to);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_TO:
+ r = mailimf_to_parse(message, length, &cur_token,
+ &to);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_CC:
+ r = mailimf_cc_parse(message, length, &cur_token,
+ &cc);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_BCC:
+ r = mailimf_bcc_parse(message, length, &cur_token,
+ &bcc);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_MESSAGE_ID:
+ r = mailimf_message_id_parse(message, length, &cur_token,
+ &message_id);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_IN_REPLY_TO:
+ r = mailimf_in_reply_to_parse(message, length, &cur_token,
+ &in_reply_to);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_REFERENCES:
+ r = mailimf_references_parse(message, length, &cur_token,
+ &references);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_SUBJECT:
+ r = mailimf_subject_parse(message, length, &cur_token,
+ &subject);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_COMMENTS:
+ r = mailimf_comments_parse(message, length, &cur_token,
+ &comments);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_KEYWORDS:
+ r = mailimf_keywords_parse(message, length, &cur_token,
+ &keywords);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_RETURN_PATH:
+ r = mailimf_return_parse(message, length, &cur_token,
+ &return_path);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_RESENT_DATE:
+ r = mailimf_resent_date_parse(message, length, &cur_token,
+ &resent_date);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_RESENT_FROM:
+ r = mailimf_resent_from_parse(message, length, &cur_token,
+ &resent_from);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_RESENT_SENDER:
+ r = mailimf_resent_sender_parse(message, length, &cur_token,
+ &resent_sender);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_RESENT_TO:
+ r = mailimf_resent_to_parse(message, length, &cur_token,
+ &resent_to);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_RESENT_CC:
+ r= mailimf_resent_cc_parse(message, length, &cur_token,
+ &resent_cc);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_RESENT_BCC:
+ r = mailimf_resent_bcc_parse(message, length, &cur_token,
+ &resent_bcc);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_RESENT_MSG_ID:
+ r = mailimf_resent_msg_id_parse(message, length, &cur_token,
+ &resent_msg_id);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ }
+
+ if (type == MAILIMF_FIELD_NONE) {
+ r = mailimf_optional_field_parse(message, length, &cur_token,
+ &optional_field);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ type = MAILIMF_FIELD_OPTIONAL_FIELD;
+ }
+
+ field = mailimf_field_new(type, return_path, resent_date,
+ resent_from, resent_sender, resent_to, resent_cc, resent_bcc,
+ resent_msg_id, orig_date, from, sender, reply_to, to,
+ cc, bcc, message_id, in_reply_to, references,
+ subject, comments, keywords, optional_field);
+ if (field == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_field;
+ }
+
+ * result = field;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_field:
+ if (return_path != NULL)
+ mailimf_return_free(return_path);
+ if (resent_date != NULL)
+ mailimf_orig_date_free(resent_date);
+ if (resent_from != NULL)
+ mailimf_from_free(resent_from);
+ if (resent_sender != NULL)
+ mailimf_sender_free(resent_sender);
+ if (resent_to != NULL)
+ mailimf_to_free(resent_to);
+ if (resent_cc != NULL)
+ mailimf_cc_free(resent_cc);
+ if (resent_bcc != NULL)
+ mailimf_bcc_free(resent_bcc);
+ if (resent_msg_id != NULL)
+ mailimf_message_id_free(resent_msg_id);
+ if (orig_date != NULL)
+ mailimf_orig_date_free(orig_date);
+ if (from != NULL)
+ mailimf_from_free(from);
+ if (sender != NULL)
+ mailimf_sender_free(sender);
+ if (reply_to != NULL)
+ mailimf_reply_to_free(reply_to);
+ if (to != NULL)
+ mailimf_to_free(to);
+ if (cc != NULL)
+ mailimf_cc_free(cc);
+ if (bcc != NULL)
+ mailimf_bcc_free(bcc);
+ if (message_id != NULL)
+ mailimf_message_id_free(message_id);
+ if (in_reply_to != NULL)
+ mailimf_in_reply_to_free(in_reply_to);
+ if (references != NULL)
+ mailimf_references_free(references);
+ if (subject != NULL)
+ mailimf_subject_free(subject);
+ if (comments != NULL)
+ mailimf_comments_free(comments);
+ if (keywords != NULL)
+ mailimf_keywords_free(keywords);
+ if (optional_field != NULL)
+ mailimf_optional_field_free(optional_field);
+ err:
+ return res;
+}
+
+
+/*
+fields = *(delivering-info /
+ orig-date /
+ from /
+ sender /
+ reply-to /
+ to /
+ cc /
+ bcc /
+ message-id /
+ in-reply-to /
+ references /
+ subject /
+ comments /
+ keywords /
+ optional-field)
+*/
+
+#if 0
+int
+mailimf_unparsed_fields_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_unparsed_fields ** result)
+{
+ size_t cur_token;
+ clist * list;
+ struct mailimf_unparsed_fields * fields;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ list = NULL;
+
+ r = mailimf_struct_multiple_parse(message, length, &cur_token,
+ &list,
+ (mailimf_struct_parser *)
+ mailimf_optional_field_parse,
+ (mailimf_struct_destructor *)
+ mailimf_optional_field_free);
+ /*
+ if ((r = MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
+ res = r;
+ goto err;
+ }
+ */
+
+ switch (r) {
+ case MAILIMF_NO_ERROR:
+ /* do nothing */
+ break;
+
+ case MAILIMF_ERROR_PARSE:
+ list = clist_new();
+ if (list == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto err;
+ }
+ break;
+
+ default:
+ res = r;
+ goto err;
+ }
+
+ fields = mailimf_unparsed_fields_new(list);
+ if (fields == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free;
+ }
+
+ * result = fields;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free:
+ if (list != NULL) {
+ clist_foreach(list, (clist_func) mailimf_optional_field_free, NULL);
+ clist_free(list);
+ }
+ err:
+ return res;
+}
+#endif
+
+int mailimf_fields_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_fields ** result)
+{
+ size_t cur_token;
+ clist * list;
+ struct mailimf_fields * fields;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ list = NULL;
+
+ r = mailimf_struct_multiple_parse(message, length, &cur_token,
+ &list,
+ (mailimf_struct_parser *)
+ mailimf_field_parse,
+ (mailimf_struct_destructor *)
+ mailimf_field_free);
+ /*
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
+ res = r;
+ goto err;
+ }
+ */
+
+ switch (r) {
+ case MAILIMF_NO_ERROR:
+ /* do nothing */
+ break;
+
+ case MAILIMF_ERROR_PARSE:
+ list = clist_new();
+ if (list == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto err;
+ }
+ break;
+
+ default:
+ res = r;
+ goto err;
+ }
+
+ fields = mailimf_fields_new(list);
+ if (fields == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free;
+ }
+
+ * result = fields;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free:
+ if (list != NULL) {
+ clist_foreach(list, (clist_func) mailimf_field_free, NULL);
+ clist_free(list);
+ }
+ err:
+ return res;
+}
+
+/*
+orig-date = "Date:" date-time CRLF
+*/
+
+
+static int
+mailimf_orig_date_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_orig_date ** result)
+{
+ struct mailimf_date_time * date_time;
+ struct mailimf_orig_date * orig_date;
+ size_t cur_token;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token, "Date:");
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_date_time_parse(message, length, &cur_token, &date_time);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_ignore_unstructured_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_date_time;
+ }
+
+ r = mailimf_unstrict_crlf_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_date_time;
+ }
+
+ orig_date = mailimf_orig_date_new(date_time);
+ if (orig_date == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_date_time;
+ }
+
+ * result = orig_date;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_date_time:
+ mailimf_date_time_free(date_time);
+ err:
+ return res;
+}
+
+/*
+from = "From:" mailbox-list CRLF
+*/
+
+static int
+mailimf_from_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_from ** result)
+{
+ struct mailimf_mailbox_list * mb_list;
+ struct mailimf_from * from;
+ size_t cur_token;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token, "From");
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_mailbox_list_parse(message, length, &cur_token, &mb_list);
+
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_unstrict_crlf_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_mb_list;
+ }
+
+ from = mailimf_from_new(mb_list);
+ if (from == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_mb_list;
+ }
+
+ * result = from;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_mb_list:
+ mailimf_mailbox_list_free(mb_list);
+ err:
+ return res;
+}
+
+/*
+sender = "Sender:" mailbox CRLF
+*/
+
+static int
+mailimf_sender_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_sender ** result)
+{
+ struct mailimf_mailbox * mb;
+ struct mailimf_sender * sender;
+ size_t cur_token;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token, "Sender");
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_mailbox_parse(message, length, &cur_token, &mb);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_unstrict_crlf_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_mb;
+ }
+
+ sender = mailimf_sender_new(mb);
+ if (sender == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_mb;
+ }
+
+ * result = sender;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_mb:
+ mailimf_mailbox_free(mb);
+ err:
+ return res;
+}
+
+/*
+reply-to = "Reply-To:" address-list CRLF
+*/
+
+
+static int
+mailimf_reply_to_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_reply_to ** result)
+{
+ struct mailimf_address_list * addr_list;
+ struct mailimf_reply_to * reply_to;
+ size_t cur_token;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token, "Reply-To");
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_address_list_parse(message, length, &cur_token, &addr_list);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_unstrict_crlf_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_addr_list;
+ }
+
+ reply_to = mailimf_reply_to_new(addr_list);
+ if (reply_to == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_addr_list;
+ }
+
+ * result = reply_to;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_addr_list:
+ mailimf_address_list_free(addr_list);
+ err:
+ return res;
+}
+
+/*
+to = "To:" address-list CRLF
+*/
+
+static int
+mailimf_to_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_to ** result)
+{
+ struct mailimf_address_list * addr_list;
+ struct mailimf_to * to;
+ size_t cur_token;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token, "To");
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_address_list_parse(message, length, &cur_token, &addr_list);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_unstrict_crlf_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_addr_list;
+ }
+
+ to = mailimf_to_new(addr_list);
+ if (to == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_addr_list;
+ }
+
+ * result = to;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_addr_list:
+ mailimf_address_list_free(addr_list);
+ err:
+ return res;
+}
+
+/*
+cc = "Cc:" address-list CRLF
+*/
+
+
+static int
+mailimf_cc_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_cc ** result)
+{
+ struct mailimf_address_list * addr_list;
+ struct mailimf_cc * cc;
+ size_t cur_token;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token, "Cc");
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_address_list_parse(message, length, &cur_token, &addr_list);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_unstrict_crlf_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_addr_list;
+ }
+
+ cc = mailimf_cc_new(addr_list);
+ if (cc == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_addr_list;
+ }
+
+ * result = cc;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_addr_list:
+ mailimf_address_list_free(addr_list);
+ err:
+ return res;
+}
+
+/*
+bcc = "Bcc:" (address-list / [CFWS]) CRLF
+*/
+
+
+static int
+mailimf_bcc_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_bcc ** result)
+{
+ struct mailimf_address_list * addr_list;
+ struct mailimf_bcc * bcc;
+ size_t cur_token;
+ int r;
+ int res;
+
+ cur_token = * index;
+ addr_list = NULL;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token, "Bcc");
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_address_list_parse(message, length, &cur_token, &addr_list);
+ switch (r) {
+ case MAILIMF_NO_ERROR:
+ /* do nothing */
+ break;
+ case MAILIMF_ERROR_PARSE:
+ r = mailimf_cfws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
+ res = r;
+ goto err;
+ }
+ break;
+ default:
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_unstrict_crlf_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_addr_list;
+ }
+
+ bcc = mailimf_bcc_new(addr_list);
+ if (bcc == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_addr_list;
+ }
+
+ * result = bcc;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_addr_list:
+ mailimf_address_list_free(addr_list);
+ err:
+ return res;
+}
+
+/*
+message-id = "Message-ID:" msg-id CRLF
+*/
+
+static int mailimf_message_id_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_message_id ** result)
+{
+ char * value;
+ size_t cur_token;
+ struct mailimf_message_id * message_id;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token, "Message-ID");
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_msg_id_parse(message, length, &cur_token, &value);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_unstrict_crlf_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_value;
+ }
+
+ message_id = mailimf_message_id_new(value);
+ if (message_id == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_value;
+ }
+
+ * result = message_id;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_value:
+ mailimf_msg_id_free(value);
+ err:
+ return res;
+}
+
+/*
+in-reply-to = "In-Reply-To:" 1*msg-id CRLF
+*/
+
+int mailimf_msg_id_list_parse(const char * message, size_t length,
+ size_t * index, clist ** result)
+{
+ return mailimf_struct_multiple_parse(message, length, index,
+ result,
+ (mailimf_struct_parser *)
+ mailimf_unstrict_msg_id_parse,
+ (mailimf_struct_destructor *)
+ mailimf_msg_id_free);
+}
+
+static int mailimf_in_reply_to_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_in_reply_to ** result)
+{
+ struct mailimf_in_reply_to * in_reply_to;
+ size_t cur_token;
+ clist * msg_id_list;
+ int res;
+ int r;
+
+ cur_token = * index;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token, "In-Reply-To");
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_msg_id_list_parse(message, length, &cur_token, &msg_id_list);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_unstrict_crlf_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_list;
+ }
+
+ in_reply_to = mailimf_in_reply_to_new(msg_id_list);
+ if (in_reply_to == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ * result = in_reply_to;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_list:
+ clist_foreach(msg_id_list, (clist_func) mailimf_msg_id_free, NULL);
+ clist_free(msg_id_list);
+ err:
+ return res;
+}
+
+/*
+references = "References:" 1*msg-id CRLF
+*/
+
+int mailimf_references_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_references ** result)
+{
+ struct mailimf_references * references;
+ size_t cur_token;
+ clist * msg_id_list;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token, "References");
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_msg_id_list_parse(message, length, &cur_token, &msg_id_list);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_unstrict_crlf_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_list;
+ }
+
+ references = mailimf_references_new(msg_id_list);
+ if (references == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ * result = references;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_list:
+ clist_foreach(msg_id_list, (clist_func) mailimf_msg_id_free, NULL);
+ clist_free(msg_id_list);
+ err:
+ return res;
+}
+
+/*
+msg-id = [CFWS] "<" id-left "@" id-right ">" [CFWS]
+*/
+
+int mailimf_msg_id_parse(const char * message, size_t length,
+ size_t * index,
+ char ** result)
+{
+ size_t cur_token;
+#if 0
+ char * id_left;
+ char * id_right;
+#endif
+ char * msg_id;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_cfws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE))
+ return r;
+
+ r = mailimf_lower_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_addr_spec_parse(message, length, &cur_token, &msg_id);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_greater_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ free(msg_id);
+ res = r;
+ goto err;
+ }
+
+#if 0
+ r = mailimf_id_left_parse(message, length, &cur_token, &id_left);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_at_sign_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_id_left;
+ }
+
+ r = mailimf_id_right_parse(message, length, &cur_token, &id_right);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_id_left;
+ }
+
+ r = mailimf_greater_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_id_right;
+ }
+
+ msg_id = malloc(strlen(id_left) + strlen(id_right) + 2);
+ if (msg_id == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_id_right;
+ }
+ strcpy(msg_id, id_left);
+ strcat(msg_id, "@");
+ strcat(msg_id, id_right);
+
+ mailimf_id_left_free(id_left);
+ mailimf_id_right_free(id_right);
+#endif
+
+ * result = msg_id;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+#if 0
+ free_id_right:
+ mailimf_id_right_free(id_right);
+ free_id_left:
+ mailimf_id_left_free(id_left);
+#endif
+ /*
+ free:
+ mailimf_atom_free(msg_id);
+ */
+ err:
+ return res;
+}
+
+static int mailimf_parse_unwanted_msg_id(const char * message, size_t length,
+ size_t * index)
+{
+ size_t cur_token;
+ int r;
+ char * word;
+ int token_parsed;
+
+ cur_token = * index;
+
+ token_parsed = TRUE;
+ while (token_parsed) {
+ token_parsed = FALSE;
+ r = mailimf_word_parse(message, length, &cur_token, &word);
+ if (r == MAILIMF_NO_ERROR) {
+ mailimf_word_free(word);
+ token_parsed = TRUE;
+ }
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else
+ return r;
+ r = mailimf_semi_colon_parse(message, length, &cur_token);
+ if (r == MAILIMF_NO_ERROR)
+ token_parsed = TRUE;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else
+ return r;
+ r = mailimf_comma_parse(message, length, &cur_token);
+ if (r == MAILIMF_NO_ERROR)
+ token_parsed = TRUE;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else
+ return r;
+ r = mailimf_plus_parse(message, length, &cur_token);
+ if (r == MAILIMF_NO_ERROR)
+ token_parsed = TRUE;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else
+ return r;
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r == MAILIMF_NO_ERROR)
+ token_parsed = TRUE;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else
+ return r;
+ r = mailimf_point_parse(message, length, &cur_token);
+ if (r == MAILIMF_NO_ERROR)
+ token_parsed = TRUE;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else
+ return r;
+ r = mailimf_at_sign_parse(message, length, &cur_token);
+ if (r == MAILIMF_NO_ERROR)
+ token_parsed = TRUE;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else
+ return r;
+ }
+
+ return MAILIMF_NO_ERROR;
+}
+
+static int mailimf_unstrict_msg_id_parse(const char * message, size_t length,
+ size_t * index,
+ char ** result)
+{
+ char * msgid;
+ size_t cur_token;
+ int r;
+
+ cur_token = * index;
+
+ r = mailimf_cfws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE))
+ return r;
+
+ r = mailimf_parse_unwanted_msg_id(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ r = mailimf_msg_id_parse(message, length, &cur_token, &msgid);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ r = mailimf_parse_unwanted_msg_id(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ * result = msgid;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+id-left = dot-atom-text / no-fold-quote / obs-id-left
+*/
+
+#if 0
+static int mailimf_id_left_parse(const char * message, size_t length,
+ size_t * index, char ** result)
+{
+ int r;
+
+ r = mailimf_dot_atom_text_parse(message, length, index, result);
+ switch (r) {
+ case MAILIMF_NO_ERROR:
+ return MAILIMF_NO_ERROR;
+ case MAILIMF_ERROR_PARSE:
+ break;
+ default:
+ return r;
+ }
+
+ r = mailimf_no_fold_quote_parse(message, length, index, result);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ return MAILIMF_NO_ERROR;
+}
+#endif
+
+/*
+id-right = dot-atom-text / no-fold-literal / obs-id-right
+*/
+
+#if 0
+static int mailimf_id_right_parse(const char * message, size_t length,
+ size_t * index, char ** result)
+{
+ int r;
+
+ r = mailimf_dot_atom_text_parse(message, length, index, result);
+ switch (r) {
+ case MAILIMF_NO_ERROR:
+ return MAILIMF_NO_ERROR;
+ case MAILIMF_ERROR_PARSE:
+ break;
+ default:
+ return r;
+ }
+
+ r = mailimf_no_fold_literal_parse(message, length, index, result);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ return MAILIMF_NO_ERROR;
+}
+#endif
+
+/*
+no-fold-quote = DQUOTE *(qtext / quoted-pair) DQUOTE
+*/
+
+#if 0
+static int mailimf_no_fold_quote_char_parse(const char * message, size_t length,
+ size_t * index, char * result)
+{
+ char ch;
+ size_t cur_token;
+ int r;
+
+ cur_token = * index;
+
+#if 0
+ r = mailimf_qtext_parse(message, length, &cur_token, &ch);
+#endif
+
+ if (cur_token >= length)
+ return MAILIMF_ERROR_PARSE;
+
+ if (is_qtext(message[cur_token])) {
+ ch = message[cur_token];
+ cur_token ++;
+ }
+ else {
+ r = mailimf_quoted_pair_parse(message, length, &cur_token, &ch);
+
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+ }
+
+ * index = cur_token;
+ * result = ch;
+
+ return MAILIMF_NO_ERROR;
+}
+#endif
+
+#if 0
+static int mailimf_no_fold_quote_parse(const char * message, size_t length,
+ size_t * index, char ** result)
+{
+ size_t cur_token;
+ size_t begin;
+ char ch;
+ char * no_fold_quote;
+ int r;
+ int res;
+
+ begin = cur_token;
+ r = mailimf_dquote_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ while (1) {
+ r = mailimf_no_fold_quote_char_parse(message, length, &cur_token, &ch);
+ if (r == MAILIMF_NO_ERROR) {
+ /* do nothing */
+ }
+ else if (r == MAILIMF_ERROR_PARSE)
+ break;
+ else {
+ res = r;
+ goto err;
+ }
+ }
+
+ r = mailimf_dquote_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ /* no_fold_quote = strndup(message + begin, cur_token - begin); */
+ no_fold_quote = malloc(cur_token - begin + 1);
+ if (no_fold_quote == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto err;
+ }
+ strncpy(no_fold_quote, message + begin, cur_token - begin);
+ no_fold_quote[cur_token - begin] = '\0';
+
+ * result = no_fold_quote;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ err:
+ return res;
+}
+#endif
+
+/*
+no-fold-literal = "[" *(dtext / quoted-pair) "]"
+*/
+
+#if 0
+static inline int
+mailimf_no_fold_literal_char_parse(const char * message, size_t length,
+ size_t * index, char * result)
+{
+ char ch;
+ size_t cur_token;
+ int r;
+
+ cur_token = * index;
+
+#if 0
+ r = mailimf_dtext_parse(message, length, &cur_token, &ch);
+#endif
+ if (cur_token >= length)
+ return MAILIMF_ERROR_PARSE;
+
+ if (is_dtext(message[cur_token])) {
+ ch = message[cur_token];
+ cur_token ++;
+ }
+ else {
+ r = mailimf_quoted_pair_parse(message, length, &cur_token, &ch);
+
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+ }
+
+ * index = cur_token;
+ * result = ch;
+
+ return MAILIMF_NO_ERROR;
+}
+#endif
+
+#if 0
+static int mailimf_no_fold_literal_parse(const char * message, size_t length,
+ size_t * index, char ** result)
+{
+ size_t cur_token;
+ size_t begin;
+ char ch;
+ char * no_fold_literal;
+ int r;
+ int res;
+
+ begin = cur_token;
+ r = mailimf_obracket_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ while (1) {
+ r = mailimf_no_fold_literal_char_parse(message, length,
+ &cur_token, &ch);
+ if (r == MAILIMF_NO_ERROR) {
+ /* do nothing */
+ }
+ else if (r == MAILIMF_ERROR_PARSE)
+ break;
+ else {
+ res = r;
+ goto err;
+ }
+ }
+
+ r = mailimf_cbracket_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ /*
+ no_fold_literal = strndup(message + begin, cur_token - begin);
+ */
+ no_fold_literal = malloc(cur_token - begin + 1);
+ if (no_fold_literal == NULL) {
+ res = MAILIMF_NO_ERROR;
+ goto err;
+ }
+ strncpy(no_fold_literal, message + begin, cur_token - begin);
+ no_fold_literal[cur_token - begin] = '\0';
+
+ * result = no_fold_literal;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ err:
+ return res;
+}
+#endif
+
+/*
+subject = "Subject:" unstructured CRLF
+*/
+
+static int mailimf_subject_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_subject ** result)
+{
+ struct mailimf_subject * subject;
+ char * value;
+ size_t cur_token;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token, "Subject");
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_unstructured_parse(message, length, &cur_token, &value);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_unstrict_crlf_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_value;
+ }
+
+ subject = mailimf_subject_new(value);
+ if (subject == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_value;
+ }
+
+ * result = subject;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_value:
+ mailimf_unstructured_free(value);
+ err:
+ return res;
+}
+
+/*
+comments = "Comments:" unstructured CRLF
+*/
+
+static int mailimf_comments_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_comments ** result)
+{
+ struct mailimf_comments * comments;
+ char * value;
+ size_t cur_token;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token, "Comments");
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_unstructured_parse(message, length, &cur_token, &value);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_unstrict_crlf_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_value;
+ }
+
+ comments = mailimf_comments_new(value);
+ if (comments == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_value;
+ }
+
+ * result = comments;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_value:
+ mailimf_unstructured_free(value);
+ err:
+ return res;
+}
+
+/*
+keywords = "Keywords:" phrase *("," phrase) CRLF
+*/
+
+static int mailimf_keywords_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_keywords ** result)
+{
+ struct mailimf_keywords * keywords;
+ clist * list;
+ size_t cur_token;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token, "Keywords");
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_struct_list_parse(message, length, &cur_token,
+ &list, ',',
+ (mailimf_struct_parser *)
+ mailimf_phrase_parse,
+ (mailimf_struct_destructor *)
+ mailimf_phrase_free);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_unstrict_crlf_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_list;
+ }
+
+ keywords = mailimf_keywords_new(list);
+ if (keywords == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ * result = keywords;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_list:
+ clist_foreach(list, (clist_func) mailimf_phrase_free, NULL);
+ clist_free(list);
+ err:
+ return res;
+}
+
+/*
+resent-date = "Resent-Date:" date-time CRLF
+*/
+
+static int
+mailimf_resent_date_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_orig_date ** result)
+{
+ struct mailimf_orig_date * orig_date;
+ struct mailimf_date_time * date_time;
+ size_t cur_token;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token, "Resent-Date");
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_date_time_parse(message, length, &cur_token, &date_time);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_unstrict_crlf_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_date_time;
+ }
+
+ orig_date = mailimf_orig_date_new(date_time);
+ if (orig_date == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_date_time;
+ }
+
+ * result = orig_date;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_date_time:
+ mailimf_date_time_free(date_time);
+ err:
+ return res;
+}
+
+/*
+resent-from = "Resent-From:" mailbox-list CRLF
+*/
+
+static int
+mailimf_resent_from_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_from ** result)
+{
+ struct mailimf_mailbox_list * mb_list;
+ struct mailimf_from * from;
+ size_t cur_token;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token, "Resent-From");
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_mailbox_list_parse(message, length, &cur_token, &mb_list);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_unstrict_crlf_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_mb_list;
+ }
+
+ from = mailimf_from_new(mb_list);
+ if (from == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_mb_list;
+ }
+
+ * result = from;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_mb_list:
+ mailimf_mailbox_list_free(mb_list);
+ err:
+ return res;
+}
+
+/*
+resent-sender = "Resent-Sender:" mailbox CRLF
+*/
+
+static int
+mailimf_resent_sender_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_sender ** result)
+{
+ struct mailimf_mailbox * mb;
+ struct mailimf_sender * sender;
+ size_t cur_token;
+ int r;
+ int res;
+
+ cur_token = length;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token, "Resent-Sender");
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_mailbox_parse(message, length, &cur_token, &mb);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_unstrict_crlf_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_mb;
+ }
+
+ sender = mailimf_sender_new(mb);
+ if (sender == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_mb;
+ }
+
+ * result = sender;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_mb:
+ mailimf_mailbox_free(mb);
+ err:
+ return res;
+}
+
+/*
+resent-to = "Resent-To:" address-list CRLF
+*/
+
+static int
+mailimf_resent_to_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_to ** result)
+{
+ struct mailimf_address_list * addr_list;
+ struct mailimf_to * to;
+ size_t cur_token;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token, "Resent-To");
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_address_list_parse(message, length, &cur_token, &addr_list);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_unstrict_crlf_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_addr_list;
+ }
+
+ to = mailimf_to_new(addr_list);
+ if (to == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_addr_list;
+ }
+
+ * result = to;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_addr_list:
+ mailimf_address_list_free(addr_list);
+ err:
+ return res;
+}
+
+/*
+resent-cc = "Resent-Cc:" address-list CRLF
+*/
+
+static int
+mailimf_resent_cc_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_cc ** result)
+{
+ struct mailimf_address_list * addr_list;
+ struct mailimf_cc * cc;
+ size_t cur_token;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token, "Resent-Cc");
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_address_list_parse(message, length, &cur_token, &addr_list);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_unstrict_crlf_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_addr_list;
+ }
+
+ cc = mailimf_cc_new(addr_list);
+ if (cc == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_addr_list;
+ }
+
+ * result = cc;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_addr_list:
+ mailimf_address_list_free(addr_list);
+ err:
+ return res;
+}
+
+/*
+resent-bcc = "Resent-Bcc:" (address-list / [CFWS]) CRLF
+*/
+
+static int
+mailimf_resent_bcc_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_bcc ** result)
+{
+ struct mailimf_address_list * addr_list;
+ struct mailimf_bcc * bcc;
+ size_t cur_token;
+ int r;
+ int res;
+
+ cur_token = * index;
+ bcc = NULL;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token, "Resent-Bcc");
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_address_list_parse(message, length, &cur_token, &addr_list);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_unstrict_crlf_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_addr_list;
+ }
+
+ bcc = mailimf_bcc_new(addr_list);
+ if (bcc == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_addr_list;
+ }
+
+ * result = bcc;
+ * index = cur_token;
+
+ return TRUE;
+
+ free_addr_list:
+ mailimf_address_list_free(addr_list);
+ err:
+ return res;
+}
+
+/*
+resent-msg-id = "Resent-Message-ID:" msg-id CRLF
+*/
+
+static int
+mailimf_resent_msg_id_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_message_id ** result)
+{
+ char * value;
+ size_t cur_token;
+ struct mailimf_message_id * message_id;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token, "Resent-Message-ID");
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_msg_id_parse(message, length, &cur_token, &value);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_unstrict_crlf_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_value;
+ }
+
+ message_id = mailimf_message_id_new(value);
+ if (message_id == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_value;
+ }
+
+ * result = message_id;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_value:
+ mailimf_msg_id_free(value);
+ err:
+ return res;
+}
+
+/*
+trace = [return]
+ 1*received
+*/
+
+#if 0
+static int mailimf_trace_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_trace ** result)
+{
+ size_t cur_token;
+ struct mailimf_return * return_path;
+ clist * received_list;
+ struct mailimf_trace * trace;
+ int r;
+ int res;
+
+ cur_token = * index;
+ return_path = NULL;
+ received_list = NULL;
+
+ r = mailimf_return_parse(message, length, &cur_token, &return_path);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_struct_multiple_parse(message, length, &cur_token,
+ &received_list,
+ (mailimf_struct_parser *)
+ mailimf_received_parse,
+ (mailimf_struct_destructor *)
+ mailimf_received_free);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
+ res = r;
+ goto err;
+ }
+
+ if ((received_list == NULL) && (return_path == NULL)) {
+ res = MAILIMF_ERROR_PARSE;
+ goto free_return;
+ }
+
+ trace = mailimf_trace_new(return_path, received_list);
+ if (trace == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ * result = trace;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_list:
+ clist_foreach(received_list, (clist_func) mailimf_received_free, NULL);
+ clist_free(received_list);
+ free_return:
+ if (return_path != NULL)
+ mailimf_return_free(return_path);
+ err:
+ return res;
+}
+#endif
+
+/*
+return = "Return-Path:" path CRLF
+*/
+
+static int mailimf_return_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_return ** result)
+{
+ struct mailimf_path * path;
+ struct mailimf_return * return_path;
+ size_t cur_token;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token, "Return-Path");
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_path_parse(message, length, &cur_token, &path);
+ if ( r!= MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_unstrict_crlf_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_path;
+ }
+
+ return_path = mailimf_return_new(path);
+ if (return_path == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_path;
+ }
+
+ * result = return_path;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_path:
+ mailimf_path_free(path);
+ err:
+ return res;
+}
+
+/*
+path = ([CFWS] "<" ([CFWS] / addr-spec) ">" [CFWS]) /
+ obs-path
+*/
+
+static int mailimf_path_parse(const char * message, size_t length,
+ size_t * index, struct mailimf_path ** result)
+{
+ size_t cur_token;
+ char * addr_spec;
+ struct mailimf_path * path;
+ int res;
+ int r;
+
+ cur_token = * index;
+ addr_spec = NULL;
+
+ r = mailimf_cfws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_lower_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_addr_spec_parse(message, length, &cur_token, &addr_spec);
+ switch (r) {
+ case MAILIMF_NO_ERROR:
+ break;
+ case MAILIMF_ERROR_PARSE:
+ r = mailimf_cfws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
+ res = r;
+ goto err;
+ }
+ break;
+ default:
+ return r;
+ }
+
+ r = mailimf_greater_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ path = mailimf_path_new(addr_spec);
+ if (path == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_addr_spec;
+ }
+
+ * index = cur_token;
+ * result = path;
+
+ return MAILIMF_NO_ERROR;
+
+ free_addr_spec:
+ if (addr_spec == NULL)
+ mailimf_addr_spec_free(addr_spec);
+ err:
+ return res;
+}
+
+/*
+received = "Received:" name-val-list ";" date-time CRLF
+*/
+
+#if 0
+static int mailimf_received_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_received ** result)
+{
+ size_t cur_token;
+ struct mailimf_received * received;
+ struct mailimf_name_val_list * name_val_list;
+ struct mailimf_date_time * date_time;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_token_case_insensitive_parse(message, length,
+ &cur_token, "Received");
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_name_val_list_parse(message, length,
+ &cur_token, &name_val_list);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_semi_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_name_val_list;
+ }
+
+ r = mailimf_date_time_parse(message, length, &cur_token, &date_time);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_name_val_list;
+ }
+
+ r = mailimf_unstrict_crlf_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_date_time;
+ }
+
+ received = mailimf_received_new(name_val_list, date_time);
+ if (received == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_date_time;
+ }
+
+ * index = cur_token;
+ * result = received;
+
+ return MAILIMF_NO_ERROR;
+
+ free_date_time:
+ mailimf_date_time_free(date_time);
+ free_name_val_list:
+ mailimf_name_val_list_free(name_val_list);
+ err:
+ return res;
+}
+#endif
+
+/*
+name-val-list = [CFWS] [name-val-pair *(CFWS name-val-pair)]
+*/
+
+#if 0
+static int
+mailimf_name_val_list_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_name_val_list ** result)
+{
+ size_t cur_token;
+ struct mailimf_name_val_pair * pair;
+ struct mailimf_name_val_list * name_val_list;
+ clist* list;
+ int res;
+ int r;
+
+ cur_token = * index;
+ list = NULL;
+
+ r = mailimf_name_val_pair_parse(message, length, &cur_token, &pair);
+
+ if (r == MAILIMF_NO_ERROR){
+ size_t final_token;
+
+ list = clist_new();
+ if (list == NULL) {
+ mailimf_name_val_pair_free(pair);
+ res = MAILIMF_ERROR_MEMORY;
+ goto err;
+ }
+
+ r = clist_append(list, pair);
+ if (r < 0) {
+ mailimf_name_val_pair_free(pair);
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ final_token = cur_token;
+
+ while (1) {
+ r = mailimf_cfws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
+ res = r;
+ goto free_list;
+ }
+
+ r = mailimf_name_val_pair_parse(message, length, &cur_token, &pair);
+ if (r == MAILIMF_NO_ERROR) {
+ /* do nothing */
+ }
+ else if (r == MAILIMF_ERROR_PARSE)
+ break;
+ else {
+ res = r;
+ goto free_list;
+ }
+
+ r = clist_append(list, pair);
+ if (r < 0) {
+ mailimf_name_val_pair_free(pair);
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ final_token = cur_token;
+ }
+ cur_token = final_token;
+ }
+
+ name_val_list = mailimf_name_val_list_new(list);
+ if (name_val_list == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ * index = cur_token;
+ * result = name_val_list;
+
+ return MAILIMF_NO_ERROR;
+
+ free_list:
+ if (list != NULL) {
+ clist_foreach(list, (clist_func) mailimf_name_val_pair_free, NULL);
+ clist_free(list);
+ }
+ err:
+ return res;
+}
+#endif
+
+/*
+name-val-pair = item-name CFWS item-value
+*/
+
+#if 0
+static int
+mailimf_name_val_pair_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_name_val_pair ** result)
+{
+ size_t cur_token;
+ char * item_name;
+ struct mailimf_item_value * item_value;
+ struct mailimf_name_val_pair * name_val_pair;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_cfws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE)) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_item_name_parse(message, length, &cur_token, &item_name);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_cfws_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_item_name;
+ }
+
+ r = mailimf_item_value_parse(message, length, &cur_token, &item_value);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_item_name;
+ }
+
+ name_val_pair = mailimf_name_val_pair_new(item_name, item_value);
+ if (name_val_pair == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_item_value;
+ }
+
+ * result = name_val_pair;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_item_value:
+ mailimf_item_value_free(item_value);
+ free_item_name:
+ mailimf_item_name_free(item_name);
+ err:
+ return res;
+}
+#endif
+
+/*
+item-name = ALPHA *(["-"] (ALPHA / DIGIT))
+*/
+
+#if 0
+static int mailimf_item_name_parse(const char * message, size_t length,
+ size_t * index, char ** result)
+{
+ size_t cur_token;
+ size_t begin;
+ char * item_name;
+ char ch;
+ int digit;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ begin = cur_token;
+
+ r = mailimf_alpha_parse(message, length, &cur_token, &ch);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ while (1) {
+ int minus_sign;
+
+ minus_sign = mailimf_minus_parse(message, length, &cur_token);
+
+ r = mailimf_alpha_parse(message, length, &cur_token, &ch);
+ if (r == MAILIMF_ERROR_PARSE)
+ r = mailimf_digit_parse(message, length, &cur_token, &digit);
+
+ if (r == MAILIMF_NO_ERROR) {
+ /* do nothing */
+ }
+ if (r == MAILIMF_ERROR_PARSE)
+ break;
+ else if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+ }
+
+ item_name = strndup(message + begin, cur_token - begin);
+ if (item_name == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto err;
+ }
+
+ * index = cur_token;
+ * result = item_name;
+
+ return MAILIMF_NO_ERROR;
+
+ err:
+ return res;
+}
+#endif
+
+/*
+item-value = 1*angle-addr / addr-spec /
+ atom / domain / msg-id
+*/
+
+#if 0
+static int is_item_value_atext(char ch)
+{
+ switch (ch) {
+ case '\t':
+ case ' ':
+ case '\r':
+ case '\n':
+ case ';':
+ return FALSE;
+ default:
+ return TRUE;
+ }
+}
+
+static int mailimf_item_value_atom_parse(const char * message, size_t length,
+ size_t * index, char ** result)
+{
+ char * atom;
+ size_t cur_token;
+ int r;
+
+ cur_token = * index;
+
+ r = mailimf_cfws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE))
+ return r;
+
+ r = mailimf_custom_string_parse(message, length, &cur_token,
+ &atom, is_item_value_atext);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ r = mailimf_cfws_parse(message, length, &cur_token);
+ if ((r != MAILIMF_NO_ERROR) && (r != MAILIMF_ERROR_PARSE))
+ return r;
+
+ * index = cur_token;
+ * result = atom;
+
+ return MAILIMF_NO_ERROR;
+}
+
+static int mailimf_item_value_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_item_value ** result)
+{
+ size_t cur_token;
+ clist * angle_addr_list;
+ char * addr_spec;
+ char * atom;
+ char * domain;
+ char * msg_id;
+ int type;
+ struct mailimf_item_value * item_value;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ angle_addr_list = NULL;
+ addr_spec = NULL;
+ atom = NULL;
+ domain = NULL;
+ msg_id = NULL;
+
+ r = mailimf_struct_multiple_parse(message, length, &cur_token,
+ &angle_addr_list,
+ (mailimf_struct_parser *)
+ mailimf_angle_addr_parse,
+ (mailimf_struct_destructor *)
+ mailimf_angle_addr_free);
+ if (r == MAILIMF_NO_ERROR)
+ type = MAILIMF_ITEM_VALUE_ANGLE_ADDR_LIST;
+
+ if (r == MAILIMF_ERROR_PARSE) {
+ r = mailimf_addr_spec_parse(message, length, &cur_token,
+ &addr_spec);
+ if (r == MAILIMF_NO_ERROR)
+ type = MAILIMF_ITEM_VALUE_ADDR_SPEC;
+ }
+
+ if (r == MAILIMF_ERROR_PARSE) {
+ r = mailimf_msg_id_parse(message, length, &cur_token,
+ &msg_id);
+ if (r == MAILIMF_NO_ERROR)
+ type = MAILIMF_ITEM_VALUE_MSG_ID;
+ }
+
+ /*
+ else if (mailimf_domain_parse(message, length, &cur_token,
+ &domain))
+ type = MAILIMF_ITEM_VALUE_DOMAIN;
+ */
+ /*
+ else if (mailimf_atom_parse(message, length, &cur_token,
+ &atom))
+ type = MAILIMF_ITEM_VALUE_ATOM;
+ */
+
+ if (r == MAILIMF_ERROR_PARSE) {
+ r = mailimf_item_value_atom_parse(message, length, &cur_token,
+ &atom);
+ if (r == MAILIMF_NO_ERROR)
+ type = MAILIMF_ITEM_VALUE_ATOM;
+ }
+
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ item_value = mailimf_item_value_new(type, angle_addr_list, addr_spec,
+ atom, domain, msg_id);
+ if (item_value == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free;
+ }
+
+ * result = item_value;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free:
+ if (angle_addr_list != NULL) {
+ clist_foreach(angle_addr_list, (clist_func) mailimf_angle_addr_free, NULL);
+ clist_free(angle_addr_list);
+ }
+ if (addr_spec != NULL)
+ mailimf_addr_spec_free(addr_spec);
+ if (atom != NULL)
+ mailimf_atom_free(atom);
+ if (domain != NULL)
+ mailimf_domain_free(domain);
+ if (msg_id != NULL)
+ mailimf_msg_id_free(msg_id);
+ err:
+ return res;
+}
+#endif
+
+/*
+optional-field = field-name ":" unstructured CRLF
+*/
+
+static int
+mailimf_optional_field_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_optional_field ** result)
+{
+ char * name;
+ char * value;
+ struct mailimf_optional_field * optional_field;
+ size_t cur_token;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ r = mailimf_field_name_parse(message, length, &cur_token, &name);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailimf_colon_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_name;
+ }
+
+ r = mailimf_unstructured_parse(message, length, &cur_token, &value);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_name;
+ }
+
+ r = mailimf_unstrict_crlf_parse(message, length, &cur_token);
+ if (r != MAILIMF_NO_ERROR) {
+ res = r;
+ goto free_value;
+ }
+
+ optional_field = mailimf_optional_field_new(name, value);
+ if (optional_field == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_value;
+ }
+
+ * result = optional_field;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_value:
+ mailimf_unstructured_free(value);
+ free_name:
+ mailimf_field_name_free(name);
+ err:
+ return res;
+}
+
+/*
+field-name = 1*ftext
+*/
+
+static inline int is_ftext(char ch);
+
+static int mailimf_field_name_parse(const char * message, size_t length,
+ size_t * index, char ** result)
+{
+ char * field_name;
+ size_t cur_token;
+ size_t end;
+
+ cur_token = * index;
+
+ end = cur_token;
+ if (end >= length) {
+ return MAILIMF_ERROR_PARSE;
+ }
+
+ while (is_ftext(message[end])) {
+ end ++;
+ if (end >= length)
+ break;
+ }
+ if (end == cur_token) {
+ return MAILIMF_ERROR_PARSE;
+ }
+
+ /* field_name = strndup(message + cur_token, end - cur_token); */
+ field_name = malloc(end - cur_token + 1);
+ if (field_name == NULL) {
+ return MAILIMF_ERROR_MEMORY;
+ }
+ strncpy(field_name, message + cur_token, end - cur_token);
+ field_name[end - cur_token] = '\0';
+
+ cur_token = end;
+
+ * index = cur_token;
+ * result = field_name;
+
+ return MAILIMF_NO_ERROR;
+}
+
+/*
+ftext = %d33-57 / ; Any character except
+ %d59-126 ; controls, SP, and
+ ; ":".
+*/
+
+static inline int is_ftext(char ch)
+{
+ unsigned char uch = (unsigned char) ch;
+
+ if (uch < 33)
+ return FALSE;
+
+ if (uch == 58)
+ return FALSE;
+
+ return TRUE;
+}
+
+/*
+static int mailimf_ftext_parse(const char * message, size_t length,
+ size_t * index, gchar * result)
+{
+ return mailimf_typed_text_parse(message, length, index, result, is_ftext);
+}
+*/
+
+
+
+
+static int mailimf_envelope_field_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_field ** result)
+{
+ size_t cur_token;
+ int type;
+ struct mailimf_orig_date * orig_date;
+ struct mailimf_from * from;
+ struct mailimf_sender * sender;
+ struct mailimf_reply_to * reply_to;
+ struct mailimf_to * to;
+ struct mailimf_cc * cc;
+ struct mailimf_bcc * bcc;
+ struct mailimf_message_id * message_id;
+ struct mailimf_in_reply_to * in_reply_to;
+ struct mailimf_references * references;
+ struct mailimf_subject * subject;
+ struct mailimf_optional_field * optional_field;
+ struct mailimf_field * field;
+ int guessed_type;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ orig_date = NULL;
+ from = NULL;
+ sender = NULL;
+ reply_to = NULL;
+ to = NULL;
+ cc = NULL;
+ bcc = NULL;
+ message_id = NULL;
+ in_reply_to = NULL;
+ references = NULL;
+ subject = NULL;
+ optional_field = NULL;
+
+ guessed_type = guess_header_type(message, length, cur_token);
+ type = MAILIMF_FIELD_NONE;
+
+ switch (guessed_type) {
+ case MAILIMF_FIELD_ORIG_DATE:
+ r = mailimf_orig_date_parse(message, length, &cur_token,
+ &orig_date);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_FROM:
+ r = mailimf_from_parse(message, length, &cur_token,
+ &from);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_SENDER:
+ r = mailimf_sender_parse(message, length, &cur_token,
+ &sender);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_REPLY_TO:
+ r = mailimf_reply_to_parse(message, length, &cur_token,
+ &reply_to);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_TO:
+ r = mailimf_to_parse(message, length, &cur_token,
+ &to);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_CC:
+ r = mailimf_cc_parse(message, length, &cur_token,
+ &cc);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_BCC:
+ r = mailimf_bcc_parse(message, length, &cur_token,
+ &bcc);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_MESSAGE_ID:
+ r = mailimf_message_id_parse(message, length, &cur_token,
+ &message_id);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_IN_REPLY_TO:
+ r = mailimf_in_reply_to_parse(message, length, &cur_token,
+ &in_reply_to);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_REFERENCES:
+ r = mailimf_references_parse(message, length, &cur_token,
+ &references);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ case MAILIMF_FIELD_SUBJECT:
+ r = mailimf_subject_parse(message, length, &cur_token,
+ &subject);
+ if (r == MAILIMF_NO_ERROR)
+ type = guessed_type;
+ else if (r == MAILIMF_ERROR_PARSE) {
+ /* do nothing */
+ }
+ else {
+ res = r;
+ goto err;
+ }
+ break;
+ }
+
+ if (type == MAILIMF_FIELD_NONE) {
+ res = MAILIMF_ERROR_PARSE;
+ goto err;
+ }
+
+ field = mailimf_field_new(type, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL,
+ orig_date, from, sender, reply_to, to,
+ cc, bcc, message_id, in_reply_to, references,
+ subject, NULL, NULL, optional_field);
+ if (field == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free_field;
+ }
+
+ * result = field;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free_field:
+ if (orig_date != NULL)
+ mailimf_orig_date_free(orig_date);
+ if (from != NULL)
+ mailimf_from_free(from);
+ if (sender != NULL)
+ mailimf_sender_free(sender);
+ if (reply_to != NULL)
+ mailimf_reply_to_free(reply_to);
+ if (to != NULL)
+ mailimf_to_free(to);
+ if (cc != NULL)
+ mailimf_cc_free(cc);
+ if (bcc != NULL)
+ mailimf_bcc_free(bcc);
+ if (message_id != NULL)
+ mailimf_message_id_free(message_id);
+ if (in_reply_to != NULL)
+ mailimf_in_reply_to_free(in_reply_to);
+ if (references != NULL)
+ mailimf_references_free(references);
+ if (subject != NULL)
+ mailimf_subject_free(subject);
+ if (optional_field != NULL)
+ mailimf_optional_field_free(optional_field);
+ err:
+ return res;
+}
+
+int mailimf_envelope_fields_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_fields ** result)
+{
+ size_t cur_token;
+ clist * list;
+ struct mailimf_fields * fields;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ list = clist_new();
+ if (list == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto err;
+ }
+
+ while (1) {
+ struct mailimf_field * elt;
+
+ r = mailimf_envelope_field_parse(message, length, &cur_token, &elt);
+ if (r == MAILIMF_NO_ERROR) {
+ r = clist_append(list, elt);
+ if (r < 0) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free;
+ }
+ }
+ else if (r == MAILIMF_ERROR_PARSE) {
+ r = mailimf_ignore_field_parse(message, length, &cur_token);
+ if (r == MAILIMF_NO_ERROR) {
+ /* do nothing */
+ }
+ else if (r == MAILIMF_ERROR_PARSE) {
+ break;
+ }
+ else {
+ res = r;
+ goto free;
+ }
+ }
+ else {
+ res = r;
+ goto free;
+ }
+ }
+
+ fields = mailimf_fields_new(list);
+ if (fields == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free;
+ }
+
+ * result = fields;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free:
+ if (list != NULL) {
+ clist_foreach(list, (clist_func) mailimf_field_free, NULL);
+ clist_free(list);
+ }
+ err:
+ return res;
+}
+
+
+static int
+mailimf_envelope_or_optional_field_parse(const char * message,
+ size_t length,
+ size_t * index,
+ struct mailimf_field ** result)
+{
+ int r;
+ size_t cur_token;
+ struct mailimf_optional_field * optional_field;
+ struct mailimf_field * field;
+
+ r = mailimf_envelope_field_parse(message, length, index, result);
+ if (r == MAILIMF_NO_ERROR)
+ return MAILIMF_NO_ERROR;
+
+ cur_token = * index;
+
+ r = mailimf_optional_field_parse(message, length, &cur_token,
+ &optional_field);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ field = mailimf_field_new(MAILIMF_FIELD_OPTIONAL_FIELD, NULL,
+ NULL, NULL, NULL,
+ NULL, NULL, NULL,
+ NULL, NULL, NULL,
+ NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, optional_field);
+ if (field == NULL) {
+ mailimf_optional_field_free(optional_field);
+ return MAILIMF_ERROR_MEMORY;
+ }
+
+ * result = field;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+
+int
+mailimf_envelope_and_optional_fields_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_fields ** result)
+{
+ size_t cur_token;
+ clist * list;
+ struct mailimf_fields * fields;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ list = NULL;
+
+ r = mailimf_struct_multiple_parse(message, length, &cur_token,
+ &list,
+ (mailimf_struct_parser *)
+ mailimf_envelope_or_optional_field_parse,
+ (mailimf_struct_destructor *)
+ mailimf_field_free);
+ switch (r) {
+ case MAILIMF_NO_ERROR:
+ /* do nothing */
+ break;
+
+ case MAILIMF_ERROR_PARSE:
+ list = clist_new();
+ if (list == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto err;
+ }
+ break;
+
+ default:
+ res = r;
+ goto err;
+ }
+
+ fields = mailimf_fields_new(list);
+ if (fields == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free;
+ }
+
+ * result = fields;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free:
+ if (list != NULL) {
+ clist_foreach(list, (clist_func) mailimf_field_free, NULL);
+ clist_free(list);
+ }
+ err:
+ return res;
+}
+
+
+
+static int
+mailimf_only_optional_field_parse(const char * message,
+ size_t length,
+ size_t * index,
+ struct mailimf_field ** result)
+{
+ int r;
+ size_t cur_token;
+ struct mailimf_optional_field * optional_field;
+ struct mailimf_field * field;
+
+ cur_token = * index;
+
+ r = mailimf_optional_field_parse(message, length, &cur_token,
+ &optional_field);
+ if (r != MAILIMF_NO_ERROR)
+ return r;
+
+ field = mailimf_field_new(MAILIMF_FIELD_OPTIONAL_FIELD, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, optional_field);
+ if (field == NULL) {
+ mailimf_optional_field_free(optional_field);
+ return MAILIMF_ERROR_MEMORY;
+ }
+
+ * result = field;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+}
+
+
+int
+mailimf_optional_fields_parse(const char * message, size_t length,
+ size_t * index,
+ struct mailimf_fields ** result)
+{
+ size_t cur_token;
+ clist * list;
+ struct mailimf_fields * fields;
+ int r;
+ int res;
+
+ cur_token = * index;
+
+ list = NULL;
+
+ r = mailimf_struct_multiple_parse(message, length, &cur_token,
+ &list,
+ (mailimf_struct_parser *)
+ mailimf_only_optional_field_parse,
+ (mailimf_struct_destructor *)
+ mailimf_field_free);
+ switch (r) {
+ case MAILIMF_NO_ERROR:
+ /* do nothing */
+ break;
+
+ case MAILIMF_ERROR_PARSE:
+ list = clist_new();
+ if (list == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto err;
+ }
+ break;
+
+ default:
+ res = r;
+ goto err;
+ }
+
+ fields = mailimf_fields_new(list);
+ if (fields == NULL) {
+ res = MAILIMF_ERROR_MEMORY;
+ goto free;
+ }
+
+ * result = fields;
+ * index = cur_token;
+
+ return MAILIMF_NO_ERROR;
+
+ free:
+ if (list != NULL) {
+ clist_foreach(list, (clist_func) mailimf_field_free, NULL);
+ clist_free(list);
+ }
+ err:
+ return res;
+}