static void prepare_mime_single(struct mailmime * mime)
{
struct mailmime_single_fields single_fields;
int encoding;
int r;
if (mime->mm_mime_fields != NULL) {
mailmime_single_fields_init(&single_fields, mime->mm_mime_fields,
mime->mm_content_type);
if (single_fields.fld_encoding != NULL) {
encoding = single_fields.fld_encoding->enc_type;
switch (encoding) {
case MAILMIME_MECHANISM_8BIT:
case MAILMIME_MECHANISM_7BIT:
case MAILMIME_MECHANISM_BINARY:
single_fields.fld_encoding->enc_type =
MAILMIME_MECHANISM_QUOTED_PRINTABLE;
break;
}
}
else {
struct mailmime_mechanism * mechanism;
struct mailmime_field * field;
mechanism =
mailmime_mechanism_new(MAILMIME_MECHANISM_QUOTED_PRINTABLE, NULL);
if (mechanism == NULL)
return;
field = mailmime_field_new(MAILMIME_FIELD_TRANSFER_ENCODING,
NULL, mechanism, NULL, NULL, 0, NULL, NULL, NULL);
if (field == NULL) {
mailmime_mechanism_free(mechanism);
return;
}
r = clist_append(mime->mm_mime_fields->fld_list, field);
if (r < 0) {
mailmime_field_free(field);
return;
}
}
}
if (mime->mm_type == MAILMIME_SINGLE) {
switch (mime->mm_data.mm_single->dt_encoding) {
case MAILMIME_MECHANISM_8BIT:
case MAILMIME_MECHANISM_7BIT:
case MAILMIME_MECHANISM_BINARY:
mime->mm_data.mm_single->dt_encoding =
MAILMIME_MECHANISM_QUOTED_PRINTABLE;
mime->mm_data.mm_single->dt_encoded = 0;
break;
}
}
}
static void strip_mime_headers(struct mailmime * mime)
{
struct mailmime_fields * fields;
clistiter * cur;
fields = mime->mm_mime_fields;
if (fields == NULL)
return;
for(cur = clist_begin(fields->fld_list) ; cur != NULL ;
cur = clist_next(cur)) {
struct mailmime_field * field;
field = clist_content(cur);
if (field->fld_type == MAILMIME_FIELD_VERSION) {
mailmime_field_free(field);
clist_delete(fields->fld_list, cur);
break;
}
}
}
struct mailmime_fields *
mailmime_fields_new_with_version(struct mailmime_mechanism * encoding,
char * id,
char * description,
struct mailmime_disposition * disposition,
struct mailmime_language * language)
{
struct mailmime_field * field;
struct mailmime_fields * fields;
int r;
fields = mailmime_fields_new_with_data(encoding, id, description,
disposition, language);
if (fields == NULL)
goto err;
field = mailmime_field_new(MAILMIME_FIELD_VERSION,
NULL, NULL, NULL, NULL, MIME_VERSION, NULL, NULL, NULL);
if (field == NULL)
goto free;
r = mailmime_fields_add(fields, field);
if (r != MAILIMF_NO_ERROR) {
mailmime_field_detach(field);
mailmime_field_free(field);
goto free;
}
return fields;
free:
clist_foreach(fields->fld_list, (clist_func) mailmime_field_detach, NULL);
mailmime_fields_free(fields);
err:
return NULL;
}
LIBETPAN_EXPORT
int
mailmime_fields_parse(struct mailimf_fields *
fields,
struct mailmime_fields **
result)
{
clistiter * cur;
struct mailmime_fields * mime_fields;
clist * list;
int r;
int res;
list = clist_new();
if (list == NULL) {
res = MAILIMF_ERROR_MEMORY;
goto err;
}
for(cur = clist_begin(fields->fld_list) ; cur != NULL ;
cur = clist_next(cur)) {
struct mailimf_field * field;
struct mailmime_field * mime_field;
field = clist_content(cur);
if (field->fld_type == MAILIMF_FIELD_OPTIONAL_FIELD) {
r = mailmime_field_parse(field->fld_data.fld_optional_field,
&mime_field);
if (r == MAILIMF_NO_ERROR) {
r = clist_append(list, mime_field);
if (r < 0) {
mailmime_field_free(mime_field);
res = MAILIMF_ERROR_MEMORY;
goto free_list;
}
}
else if (r == MAILIMF_ERROR_PARSE) {
/* do nothing */
}
else {
res = r;
goto free_list;
}
}
}
if (clist_begin(list) == NULL) {
res = MAILIMF_ERROR_PARSE;
goto free_list;
}
mime_fields = mailmime_fields_new(list);
if (mime_fields == NULL) {
res = MAILIMF_ERROR_MEMORY;
goto free_list;
}
* result = mime_fields;
return MAILIMF_NO_ERROR;
free_list:
clist_foreach(list, (clist_func) mailmime_field_free, NULL);
clist_free(list);
err:
return res;
}
LIBETPAN_EXPORT
int
mailmime_unparsed_fields_parse(struct mailimf_unparsed_fields *
fields,
struct mailmime_fields **
result)
{
clistiter * cur;
struct mailmime_fields * mime_fields;
clist * list;
int r;
int res;
list = clist_new();
if (list == NULL) {
res = MAILIMF_ERROR_MEMORY;
goto err;
}
if (fields->list == NULL) {
res = MAILIMF_ERROR_PARSE;
goto err;
}
for(cur = clist_begin(fields->list) ; cur != NULL ;
cur = clist_next(cur)) {
struct mailimf_optional_field * field = cur->data;
struct mailmime_field * mime_field;
r = mailmime_field_parse(field, &mime_field);
if (r == MAILIMF_NO_ERROR) {
r = clist_append(list, mime_field);
if (r < 0) {
mailmime_field_free(mime_field);
res = MAILIMF_ERROR_MEMORY;
goto free_list;
}
}
}
if (clist_begin(list) == NULL) {
res = MAILIMF_ERROR_PARSE;
goto free_list;
}
mime_fields = mailmime_fields_new(list);
if (mime_fields == NULL) {
res = MAILIMF_ERROR_MEMORY;
goto free_list;
}
* result = mime_fields;
return MAILIMF_NO_ERROR;
free_list:
clist_foreach(list, (clist_func) mailmime_field_free, NULL);
clist_free(list);
err:
return res;
}
struct mailmime_fields *
mailmime_fields_new_with_data(struct mailmime_mechanism * encoding,
char * id,
char * description,
struct mailmime_disposition * disposition,
struct mailmime_language * language)
{
struct mailmime_field * field;
struct mailmime_fields * fields;
int r;
fields = mailmime_fields_new_empty();
if (fields == NULL)
goto err;
#if 0
if (content != NULL) {
field = mailmime_field_new(MAILMIME_FIELD_TYPE,
content, NULL, NULL, NULL, 0, NULL, NULL);
if (field == NULL)
goto free;
r = mailmime_fields_add(fields, field);
if (r != MAILIMF_NO_ERROR) {
mailmime_field_detach(field);
mailmime_field_free(field);
goto free;
}
}
#endif
if (encoding != NULL) {
field = mailmime_field_new(MAILMIME_FIELD_TRANSFER_ENCODING,
NULL, encoding, NULL, NULL, 0, NULL, NULL, NULL);
if (field == NULL)
goto free;
r = mailmime_fields_add(fields, field);
if (r != MAILIMF_NO_ERROR) {
mailmime_field_detach(field);
mailmime_field_free(field);
goto free;
}
}
if (id != NULL) {
field = mailmime_field_new(MAILMIME_FIELD_ID,
NULL, NULL, id, NULL, 0, NULL, NULL, NULL);
if (field == NULL)
goto free;
r = mailmime_fields_add(fields, field);
if (r != MAILIMF_NO_ERROR) {
mailmime_field_detach(field);
mailmime_field_free(field);
goto free;
}
}
if (description != NULL) {
field = mailmime_field_new(MAILMIME_FIELD_DESCRIPTION,
NULL, NULL, NULL, description, 0, NULL, NULL, NULL);
if (field == NULL)
goto free;
r = mailmime_fields_add(fields, field);
if (r != MAILIMF_NO_ERROR) {
mailmime_field_detach(field);
mailmime_field_free(field);
goto free;
}
}
if (disposition != NULL) {
field = mailmime_field_new(MAILMIME_FIELD_DISPOSITION,
NULL, NULL, NULL, NULL, 0, disposition, NULL, NULL);
if (field == NULL)
goto free;
r = mailmime_fields_add(fields, field);
if (r != MAILIMF_NO_ERROR) {
mailmime_field_detach(field);
mailmime_field_free(field);
goto free;
}
}
if (language != NULL) {
field = mailmime_field_new(MAILMIME_FIELD_DISPOSITION,
NULL, NULL, NULL, NULL, 0, NULL, language, NULL);
if (field == NULL)
goto free;
r = mailmime_fields_add(fields, field);
if (r != MAILIMF_NO_ERROR) {
mailmime_field_detach(field);
mailmime_field_free(field);
goto free;
}
}
return fields;
free:
clist_foreach(fields->fld_list, (clist_func) mailmime_field_detach, NULL);
mailmime_fields_free(fields);
err:
return NULL;
}
