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#endif /* DEBUG_MIME_OUTPUT */
/*******************************************************************************
* low-level-tools for getting a list of all recipients
******************************************************************************/
static void mailimf_get_recipients__add_addr(dc_hash_t* recipients, struct mailimf_mailbox* mb)
{
/* only used internally by mailimf_get_recipients() */
if (mb) {
char* addr_norm = dc_addr_normalize(mb->mb_addr_spec);
dc_hash_insert(recipients, addr_norm, strlen(addr_norm), (void*)1);
free(addr_norm);
}
}
dc_hash_t* mailimf_get_recipients(struct mailimf_fields* imffields)
{
/* the returned value must be dc_hash_clear()'d and free()'d. returned addresses are normalized. */
dc_hash_t* recipients = malloc(sizeof(dc_hash_t));
dc_hash_init(recipients, DC_HASH_STRING, 1/*copy key*/);
clistiter* cur1;
for (cur1 = clist_begin(imffields->fld_list); cur1!=NULL ; cur1=clist_next(cur1))
{
struct mailimf_field* fld = (struct mailimf_field*)clist_content(cur1);
struct mailimf_to* fld_to = NULL;
struct mailimf_cc* fld_cc = NULL;
struct mailimf_address_list* addr_list = NULL;
switch (fld->fld_type)
{
case MAILIMF_FIELD_TO: fld_to = fld->fld_data.fld_to; if (fld_to) { addr_list = fld_to->to_addr_list; } break;
case MAILIMF_FIELD_CC: fld_cc = fld->fld_data.fld_cc; if (fld_cc) { addr_list = fld_cc->cc_addr_list; } break;
}
if (addr_list) {
clistiter* cur2;
for (cur2 = clist_begin(addr_list->ad_list); cur2!=NULL ; cur2=clist_next(cur2)) {
struct mailimf_address* adr = (struct mailimf_address*)clist_content(cur2);
if (adr) {
if (adr->ad_type==MAILIMF_ADDRESS_MAILBOX) {
mailimf_get_recipients__add_addr(recipients, adr->ad_data.ad_mailbox);
}
else if (adr->ad_type==MAILIMF_ADDRESS_GROUP) {
struct mailimf_group* group = adr->ad_data.ad_group;
if (group && group->grp_mb_list) {
clistiter* cur3;
for (cur3 = clist_begin(group->grp_mb_list->mb_list); cur3!=NULL ; cur3=clist_next(cur3)) {
mailimf_get_recipients__add_addr(recipients, (struct mailimf_mailbox*)clist_content(cur3));
}
}
}
}
}
}
}
return recipients;
}
/*******************************************************************************
* low-level-tools for working with mailmime structures directly
******************************************************************************/
struct mailmime_parameter* mailmime_find_ct_parameter(struct mailmime* mime, const char* name)
{
/* find a parameter in `Content-Type: foo/bar; name=value;` */
if (mime==NULL || name==NULL
|| mime->mm_content_type==NULL || mime->mm_content_type->ct_parameters==NULL)
{
return NULL;
}
clistiter* cur;
for (cur = clist_begin(mime->mm_content_type->ct_parameters); cur!=NULL; cur = clist_next(cur)) {
struct mailmime_parameter* param = (struct mailmime_parameter*)clist_content(cur);
if (param && param->pa_name) {
if (strcmp(param->pa_name, name)==0) {
return param;
}
}
}
return NULL;
}
int mailmime_transfer_decode(struct mailmime* mime, const char** ret_decoded_data, size_t* ret_decoded_data_bytes, char** ret_to_mmap_string_unref)
{
int mime_transfer_encoding = MAILMIME_MECHANISM_BINARY;
struct mailmime_data* mime_data = NULL;
const char* decoded_data = NULL; /* must not be free()'d */
size_t decoded_data_bytes = 0;