void mailmh_folder_free(struct mailmh_folder * folder)
{
unsigned int i;
for(i = 0 ; i < carray_count(folder->fl_subfolders_tab) ; i++) {
struct mailmh_folder * subfolder;
subfolder = carray_get(folder->fl_subfolders_tab, i);
if (subfolder != NULL)
mailmh_folder_free(subfolder);
}
carray_free(folder->fl_subfolders_tab);
chash_free(folder->fl_subfolders_hash);
for(i = 0 ; i < carray_count(folder->fl_msgs_tab) ; i++) {
struct mailmh_msg_info * msg_info;
msg_info = carray_get(folder->fl_msgs_tab, i);
if (msg_info != NULL)
mailmh_msg_info_free(msg_info);
}
carray_free(folder->fl_msgs_tab);
chash_free(folder->fl_msgs_hash);
free(folder->fl_filename);
free(folder->fl_name);
free(folder);
}
struct mail_flags_store * mail_flags_store_new(void)
{
struct mail_flags_store * flags_store;
flags_store = malloc(sizeof(struct mail_flags_store));
if (flags_store == NULL)
goto err;
flags_store->fls_tab = carray_new(128);
if (flags_store->fls_tab == NULL)
goto free;
flags_store->fls_hash = chash_new(128, CHASH_COPYALL);
if (flags_store->fls_hash == NULL)
goto free_tab;
return flags_store;
free_tab:
carray_free(flags_store->fls_tab);
free:
free(flags_store);
err:
return NULL;
}
void mail_flags_store_free(struct mail_flags_store * flags_store)
{
mail_flags_store_clear(flags_store);
chash_free(flags_store->fls_hash);
carray_free(flags_store->fls_tab);
free(flags_store);
}
int mailmbox_copy_msg(struct mailmbox_folder * dest_folder,
struct mailmbox_folder * src_folder,
uint32_t uid)
{
carray * tab;
int res;
uint32_t * puid;
int r;
tab = carray_new(1);
if (tab == NULL) {
res = MAILMBOX_ERROR_MEMORY;
goto err;
}
puid = malloc(sizeof(* puid));
if (puid == NULL) {
res = MAILMBOX_ERROR_MEMORY;
goto free_array;
}
* puid = uid;
r = mailmbox_copy_msg_list(dest_folder, src_folder, tab);
res = r;
free(puid);
free_array:
carray_free(tab);
err:
return res;
}
EC_BOOL cbc_free()
{
cbc_md_unreg_all();
carray_free(g_cbc, LOC_CBC_0003);
g_cbc = NULL_PTR;
return (EC_TRUE);
}
void mailprivacy_free(struct mailprivacy * privacy)
{
carray_free(privacy->protocols);
chash_free(privacy->mime_ref);
chash_free(privacy->mmapstr);
chash_free(privacy->msg_ref);
free(privacy->tmp_dir);
free(privacy);
}
int
mailmbox_append_message_uid(struct mailmbox_folder * folder,
const char * data, size_t len, unsigned int * puid)
{
carray * tab;
struct mailmbox_append_info * append_info;
int res;
int r;
tab = carray_new(1);
if (tab == NULL) {
res = MAILMBOX_ERROR_MEMORY;
goto err;
}
append_info = mailmbox_append_info_new(data, len);
if (append_info == NULL) {
res = MAILMBOX_ERROR_MEMORY;
goto free_list;
}
r = carray_add(tab, append_info, NULL);
if (r < 0) {
res = MAILMBOX_ERROR_MEMORY;
goto free_append_info;
}
r = mailmbox_append_message_list(folder, tab);
if (puid != NULL)
* puid = append_info->ai_uid;
mailmbox_append_info_free(append_info);
carray_free(tab);
return r;
free_append_info:
mailmbox_append_info_free(append_info);
free_list:
carray_free(tab);
err:
return res;
}
static void on_error(struct bufferevent *bev, short events, void* arg)
{
struct tcp_receiver* r = (struct tcp_receiver *)arg;
if(events & (BEV_EVENT_EOF)){
struct carray* tmp = carray_reject(r->bevs, match_bufferevent, bev); /*过滤掉bev的事件*/
carray_free(r->bevs);
r->bevs = tmp;
bufferevent_free(bev);
}
}
void mailstream_certificate_chain_free(carray * certificate_chain)
{
unsigned int i;
if (certificate_chain == NULL)
return;
for(i = 0 ; i < carray_count(certificate_chain) ; i ++) {
mmap_string_free(carray_get(certificate_chain, i));
}
carray_free(certificate_chain);
}
void tcp_receiver_free(struct tcp_receiver* r)
{
int i;
/*释放监视的事件*/
for (i = 0; i < carray_count(r->bevs); ++i)
bufferevent_free(carray_at(r->bevs, i));
/*释放监听*/
evconnlistener_free(r->listener);
carray_free(r->bevs);
free(r);
}
void mailmessage_tree_free(struct mailmessage_tree * tree)
{
if (tree->node_base_subject != NULL)
free(tree->node_base_subject);
if (tree->node_children != NULL)
carray_free(tree->node_children);
if (tree->node_msgid != NULL)
free(tree->node_msgid);
free(tree);
}
static void mailpop3_msg_info_tab_free(carray * msg_tab)
{
unsigned int i;
for(i = 0 ; i < carray_count(msg_tab) ; i++) {
struct mailpop3_msg_info * msg;
msg = carray_get(msg_tab, i);
mailpop3_msg_info_free(msg);
}
carray_free(msg_tab);
}
void claws_mailmbox_folder_free(struct claws_mailmbox_folder * folder)
{
unsigned int i;
for(i = 0 ; i < carray_count(folder->mb_tab) ; i++) {
struct claws_mailmbox_msg_info * info;
info = carray_get(folder->mb_tab, i);
if (info != NULL)
claws_mailmbox_msg_info_free(info);
}
carray_free(folder->mb_tab);
chash_free(folder->mb_hash);
free(folder);
}
LIBETPAN_EXPORT
void mailfolder_free(struct mailfolder * folder)
{
if (folder->fld_parent != NULL)
mailfolder_detach_parent(folder);
while (carray_count(folder->fld_children) > 0) {
struct mailfolder * child;
child = carray_get(folder->fld_children, 0);
mailfolder_detach_parent(child);
}
carray_free(folder->fld_children);
if (folder->fld_session != NULL)
mailfolder_disconnect(folder);
if (folder->fld_virtual_name != NULL)
free(folder->fld_virtual_name);
if (folder->fld_pathname != NULL)
free(folder->fld_pathname);
free(folder);
}
static carray * mailstream_low_cfstream_get_certificate_chain(mailstream_low * s)
{
#if HAVE_CFNETWORK
struct mailstream_cfstream_data * cfstream_data;
unsigned int i;
carray * result;
CFArrayRef certs;
CFIndex count;
cfstream_data = (struct mailstream_cfstream_data *) s->data;
SecTrustRef secTrust = (SecTrustRef)CFReadStreamCopyProperty(cfstream_data->readStream, kCFStreamPropertySSLPeerTrust);
if (secTrust) {
// SecTrustEvaluate() needs to be called before SecTrustGetCertificateCount() in Mac OS X <= 10.8
SecTrustEvaluate(secTrust, NULL);
count = SecTrustGetCertificateCount(secTrust);
result = carray_new(4);
for(i = 0 ; i < count ; i ++) {
SecCertificateRef cert = (SecCertificateRef) SecTrustGetCertificateAtIndex(secTrust, i);
CFDataRef data = SecCertificateCopyData(cert);
if (data == NULL) {
carray_free(result);
CFRelease(secTrust);
return NULL;
}
CFIndex length = CFDataGetLength(data);
const UInt8 * bytes = CFDataGetBytePtr(data);
MMAPString * str = mmap_string_sized_new(length);
mmap_string_append_len(str, (char*) bytes, length);
carray_add(result, str, NULL);
CFRelease(data);
}
CFRelease(secTrust);
}
else {
certs = CFReadStreamCopyProperty(cfstream_data->readStream, kCFStreamPropertySSLPeerCertificates);
if (certs) {
count = CFArrayGetCount(certs);
result = carray_new(4);
for(i = 0 ; i < count ; i ++) {
SecCertificateRef cert = (SecCertificateRef) CFArrayGetValueAtIndex(certs, i);
CFDataRef data = SecCertificateCopyData(cert);
if (data == NULL) {
carray_free(result);
CFRelease(certs);
return NULL;
}
CFIndex length = CFDataGetLength(data);
const UInt8 * bytes = CFDataGetBytePtr(data);
MMAPString * str = mmap_string_sized_new(length);
mmap_string_append_len(str, (char*) bytes, length);
carray_add(result, str, NULL);
CFRelease(data);
}
CFRelease(certs);
}
else {
return NULL;
}
}
return result;
#else
return NULL;
#endif
}
struct mailmh_folder * mailmh_folder_new(struct mailmh_folder * parent,
const char * name)
{
char * filename;
char * parent_filename;
struct mailmh_folder * folder;
folder = malloc(sizeof(* folder));
if (folder == NULL)
goto err;
if (parent == NULL) {
filename = strdup(name);
if (filename == NULL)
goto free_folder;
}
else {
parent_filename = parent->fl_filename;
filename = malloc(strlen(parent_filename) + strlen(name) + 2);
if (filename == NULL)
goto free_folder;
strcpy(filename, parent_filename);
strcat(filename, MAIL_DIR_SEPARATOR_S);
strcat(filename, name);
}
folder->fl_filename = filename;
folder->fl_name = strdup(name);
if (folder->fl_name == NULL)
goto free_filename;
folder->fl_msgs_tab = carray_new(128);
if (folder->fl_msgs_tab == NULL)
goto free_name;
folder->fl_msgs_hash = chash_new(CHASH_DEFAULTSIZE, CHASH_COPYKEY);
if (folder->fl_msgs_hash == NULL)
goto free_msgs_tab;
folder->fl_subfolders_tab = carray_new(128);
if (folder->fl_subfolders_tab == NULL)
goto free_msgs_hash;
folder->fl_subfolders_hash = chash_new(128, CHASH_COPYNONE);
if (folder->fl_subfolders_hash == NULL)
goto free_subfolders_tab;
folder->fl_mtime = 0;
folder->fl_parent = parent;
folder->fl_max_index = 0;
return folder;
free_subfolders_tab:
carray_free(folder->fl_subfolders_tab);
free_msgs_hash:
chash_free(folder->fl_msgs_hash);
free_msgs_tab:
carray_free(folder->fl_msgs_tab);
free_name:
free(folder->fl_name);
free_filename:
free(folder->fl_filename);
free_folder:
free(folder);
err:
return NULL;
}
static int db_get_message_list(struct mail_cache_db * maildb,
carray ** p_msglist)
{
carray * msglist;
void * serialized;
size_t serialized_len;
int r;
char key_value[PATH_MAX];
int res;
unsigned int i;
msglist = carray_new(16);
if (msglist == NULL) {
res = MAIL_ERROR_MEMORY;
goto err;
}
snprintf(key_value, sizeof(key_value), "message-list");
r = mail_cache_db_get(maildb, key_value, strlen(key_value),
&serialized, &serialized_len);
if (r >= 0) {
MMAPString * mmapstr;
size_t cur_token;
/* collect message list */
mmapstr = mmap_string_new_len(serialized, serialized_len);
if (mmapstr == NULL) {
res = MAIL_ERROR_MEMORY;
goto free_msglist;
}
cur_token = 0;
do {
uint32_t num;
uint32_t * msg;
r = mailimf_cache_int_read(mmapstr, &cur_token, &num);
if (r != MAIL_NO_ERROR)
break;
msg = malloc(sizeof(* msg));
if (msg == NULL) {
res = MAIL_ERROR_MEMORY;
mmap_string_free(mmapstr);
goto free_msglist;
}
* msg = num;
r = carray_add(msglist, msg, NULL);
if (r < 0) {
res = MAIL_ERROR_MEMORY;
free(msg);
mmap_string_free(mmapstr);
goto free_msglist;
}
} while (1);
mmap_string_free(mmapstr);
}
* p_msglist = msglist;
return MAIL_NO_ERROR;
free_msglist:
for(i = 0 ; i < carray_count(msglist) ; i ++) {
uint32_t * msg;
msg = carray_get(msglist, i);
free(msg);
}
carray_free(msglist);
err:
return res;
}
static int expunge_folder(mailsession * session)
{
int r;
char key_value[PATH_MAX];
struct mail_cache_db * maildb;
carray * msglist;
unsigned int i;
struct db_session_state_data * data;
int res;
chash * msg_table;
MMAPString * mmapstr;
data = get_data(session);
flags_store_process(session);
r = mail_cache_db_open_lock(data->db_filename, &maildb);
if (r < 0) {
res = MAIL_ERROR_FILE;
goto err;
}
r = db_get_message_list(maildb, &msglist);
if (r != MAIL_NO_ERROR) {
res = r;
goto close_db;
}
msg_table = chash_new(CHASH_DEFAULTSIZE, CHASH_COPYKEY);
if (msg_table == NULL) {
res = MAIL_ERROR_MEMORY;
goto free_msglist;
}
mmapstr = mmap_string_new("");
if (mmapstr == NULL) {
res = MAIL_ERROR_MEMORY;
goto free_msgtable;
}
i = 0;
while (i < carray_count(msglist)) {
uint32_t num;
uint32_t * msg;
chashdatum key;
chashdatum value;
struct mail_flags * flags;
int deleted;
msg = carray_get(msglist, i);
num = * msg;
deleted = 0;
snprintf(key_value, sizeof(key_value), "%lu-flags",
(unsigned long) num);
r = generic_cache_flags_read(maildb, mmapstr, key_value, &flags);
if (r == MAIL_NO_ERROR) {
if ((flags->fl_flags & MAIL_FLAG_DELETED) != 0)
deleted = 1;
}
if (!deleted) {
snprintf(key_value, sizeof(key_value), "%lu", (unsigned long) num);
key.data = key_value;
key.len = strlen(key_value);
chash_set(msg_table, &key, &value, NULL);
snprintf(key_value, sizeof(key_value), "%lu-envelope",
(unsigned long) num);
key.data = key_value;
key.len = strlen(key_value);
chash_set(msg_table, &key, &value, NULL);
snprintf(key_value, sizeof(key_value), "%lu-flags",
(unsigned long) num);
key.data = key_value;
key.len = strlen(key_value);
chash_set(msg_table, &key, &value, NULL);
i ++;
}
else {
free(msg);
carray_delete(msglist, i);
}
}
mmap_string_free(mmapstr);
r = mail_cache_db_clean_up(maildb, msg_table);
chash_free(msg_table);
r = db_set_message_list(maildb, msglist);
for(i = 0 ; i < carray_count(msglist) ; i ++) {
uint32_t * msg;
msg = carray_get(msglist, i);
free(msg);
}
carray_free(msglist);
mail_cache_db_close_unlock(data->db_filename, maildb);
return MAIL_NO_ERROR;
free_msgtable:
chash_free(msg_table);
free_msglist:
for(i = 0 ; i < carray_count(msglist) ; i ++) {
uint32_t * msg;
msg = carray_get(msglist, i);
free(msg);
}
close_db:
mail_cache_db_close_unlock(data->db_filename, maildb);
err:
return res;
}
int mailmbox_copy_msg_list(struct mailmbox_folder * dest_folder,
struct mailmbox_folder * src_folder,
carray * tab)
{
int r;
int res;
carray * append_tab;
unsigned int i;
r = mailmbox_validate_read_lock(src_folder);
if (r != MAILMBOX_NO_ERROR) {
res = r;
goto err;
}
append_tab = carray_new(carray_count(tab));
if (append_tab == NULL) {
res = MAILMBOX_ERROR_MEMORY;
goto src_unlock;
}
for(i = 0 ; i < carray_count(tab) ; i ++) {
struct mailmbox_append_info * append_info;
char * data;
size_t len;
uint32_t uid;
uid = * ((uint32_t *) carray_get(tab, i));
r = mailmbox_fetch_msg_no_lock(src_folder, uid, &data, &len);
if (r != MAILMBOX_NO_ERROR) {
res = r;
goto free_list;
}
append_info = mailmbox_append_info_new(data, len);
if (append_info == NULL) {
res = MAILMBOX_ERROR_MEMORY;
goto free_list;
}
r = carray_add(append_tab, append_info, NULL);
if (r < 0) {
mailmbox_append_info_free(append_info);
res = MAILMBOX_ERROR_MEMORY;
goto free_list;
}
}
r = mailmbox_append_message_list(dest_folder, append_tab);
if (r != MAILMBOX_NO_ERROR) {
res = r;
goto src_unlock;
}
for(i = 0 ; i < carray_count(append_tab) ; i ++) {
struct mailmbox_append_info * append_info;
append_info = carray_get(append_tab, i);
mailmbox_append_info_free(append_info);
}
carray_free(append_tab);
mailmbox_read_unlock(src_folder);
return MAILMBOX_NO_ERROR;
free_list:
for(i = 0 ; i < carray_count(append_tab) ; i ++) {
struct mailmbox_append_info * append_info;
append_info = carray_get(append_tab, i);
mailmbox_append_info_free(append_info);
}
carray_free(append_tab);
src_unlock:
mailmbox_read_unlock(src_folder);
err:
return res;
}
static int status_folder(mailsession * session, const char * mb,
uint32_t * result_messages, uint32_t * result_recent,
uint32_t * result_unseen)
{
struct mail_cache_db * maildb;
char key_value[PATH_MAX];
MMAPString * mmapstr;
uint32_t messages;
uint32_t recent;
uint32_t unseen;
struct db_session_state_data * data;
int r;
int res;
carray * msglist;
unsigned int i;
data = get_data(session);
flags_store_process(session);
r = mail_cache_db_open_lock(data->db_filename, &maildb);
if (r < 0) {
res = MAIL_ERROR_FILE;
goto err;
}
r = db_get_message_list(maildb, &msglist);
if (r != MAIL_NO_ERROR) {
res = r;
goto close_db;
}
mmapstr = mmap_string_new("");
if (mmapstr == NULL) {
res = MAIL_ERROR_MEMORY;
goto free_list;
}
messages = 0;
recent = 0;
unseen = 0;
for(i = 0 ; i < carray_count(msglist) ; i ++) {
uint32_t num;
uint32_t * msg;
struct mail_flags * flags;
msg = carray_get(msglist, i);
num = * msg;
free(msg);
carray_set(msglist, i, NULL);
messages ++;
snprintf(key_value, sizeof(key_value), "%lu-flags", (unsigned long) num);
r = generic_cache_flags_read(maildb, mmapstr, key_value, &flags);
if (r == MAIL_NO_ERROR) {
if ((flags->fl_flags & MAIL_FLAG_NEW) != 0) {
recent ++;
}
if ((flags->fl_flags & MAIL_FLAG_SEEN) == 0) {
unseen ++;
}
mail_flags_free(flags);
}
}
mmap_string_free(mmapstr);
carray_free(msglist);
mail_cache_db_close_unlock(data->db_filename, maildb);
* result_messages = messages;
* result_unseen = unseen;
* result_recent = recent;
return MAIL_NO_ERROR;
free_list:
for(i = 0 ; i < carray_count(msglist) ; i ++) {
uint32_t * msg;
msg = carray_get(msglist, i);
if (msg != NULL)
free(msg);
}
carray_free(msglist);
close_db:
mail_cache_db_close_unlock(data->db_filename, maildb);
err:
return res;
}
static int append_message_flags(mailsession * session,
const char * message, size_t size, struct mail_flags * flags)
{
carray * msglist;
unsigned int i;
uint32_t * msg;
uint32_t num;
char key_value[PATH_MAX];
MMAPString * mmapstr;
struct mail_cache_db * maildb;
struct db_session_state_data * data;
size_t cur_token;
struct mailimf_fields * fields;
int r;
int res;
data = get_data(session);
r = mail_cache_db_open_lock(data->db_filename, &maildb);
if (r < 0) {
res = MAIL_ERROR_FILE;
goto err;
}
num = 0;
r = db_get_next_msg_number(maildb, &num);
if (r != MAIL_NO_ERROR) {
res = r;
goto err;
}
r = db_get_message_list(maildb, &msglist);
if (r != MAIL_NO_ERROR) {
res = r;
goto close_db;
}
msg = malloc(sizeof(* msg));
if (msg == NULL) {
res = MAIL_ERROR_MEMORY;
goto free_msglist;
}
* msg = num;
r = carray_add(msglist, msg, NULL);
if (r < 0) {
res = MAIL_ERROR_MEMORY;
free(msg);
goto free_msglist;
}
r = db_set_message_list(maildb, msglist);
if (r != MAIL_NO_ERROR) {
res = r;
goto free_msglist;
}
/* free msglist */
for(i = 0 ; i < carray_count(msglist) ; i ++) {
msg = carray_get(msglist, i);
free(msg);
}
carray_free(msglist);
snprintf(key_value, sizeof(key_value), "%lu", (unsigned long) num);
r = mail_cache_db_put(maildb, key_value, strlen(key_value),
message, size);
if (r < 0) {
res = MAIL_ERROR_FILE;
goto close_db;
}
/* write envelope */
cur_token = 0;
r = mailimf_envelope_fields_parse(message, size, &cur_token, &fields);
if (r != MAILIMF_NO_ERROR) {
res = MAIL_ERROR_PARSE;
goto close_db;
}
mmapstr = mmap_string_new("");
if (mmapstr == NULL) {
res = MAIL_ERROR_MEMORY;
goto close_db;
}
cur_token = 0;
r = mailimf_cache_fields_write(mmapstr, &cur_token, fields);
if (r != MAIL_NO_ERROR) {
res = r;
mmap_string_free(mmapstr);
goto close_db;
}
snprintf(key_value, sizeof(key_value), "%lu-envelope", (unsigned long) num);
r = mail_cache_db_put(maildb, key_value, strlen(key_value),
mmapstr->str, mmapstr->len);
mmap_string_free(mmapstr);
mailimf_fields_free(fields);
/* write flags */
if (flags != NULL) {
snprintf(key_value, sizeof(key_value), "%lu-flags", (unsigned long) num);
mmapstr = mmap_string_new("");
if (mmapstr == NULL) {
res = MAIL_ERROR_MEMORY;
goto close_db;
}
r = generic_cache_flags_write(maildb, mmapstr,
key_value, flags);
mmap_string_free(mmapstr);
if (r != MAIL_NO_ERROR) {
res = MAIL_ERROR_FILE;
goto close_db;
}
}
mail_cache_db_close_unlock(data->db_filename, maildb);
return MAIL_NO_ERROR;
free_msglist:
for(i = 0 ; i < carray_count(msglist) ; i ++) {
msg = carray_get(msglist, i);
free(msg);
}
carray_free(msglist);
close_db:
mail_cache_db_close_unlock(data->db_filename, maildb);
err:
return res;
}
int nntp_get_messages_list(mailsession * nntp_session,
mailsession * session,
mailmessage_driver * driver,
struct mailmessage_list ** result)
{
carray * tab;
struct mailmessage_list * env_list;
uint32_t i;
int res;
int r;
struct nntp_session_state_data * data;
struct newsnntp_group_info * group_info;
uint32_t max;
unsigned int cur;
data = session_get_data(nntp_session);
if (data->nntp_group_name == NULL) {
res = MAIL_ERROR_BAD_STATE;
goto err;
}
r = nntpdriver_select_folder(nntp_session, data->nntp_group_name);
if (r != MAIL_NO_ERROR) {
res = r;
goto err;
}
group_info = data->nntp_group_info;
if (group_info == NULL) {
res = MAIL_ERROR_BAD_STATE;
goto err;
}
max = group_info->grp_first;
if (data->nntp_max_articles != 0) {
if (group_info->grp_last - data->nntp_max_articles + 1 > max)
max = group_info->grp_last - data->nntp_max_articles + 1;
}
tab = carray_new(128);
if (tab == NULL) {
res = MAIL_ERROR_MEMORY;
goto err;
}
for(i = max ; i <= group_info->grp_last ; i++) {
mailmessage * msg;
msg = mailmessage_new();
if (msg == NULL) {
res = MAIL_ERROR_MEMORY;
goto free_list;
}
r = mailmessage_init(msg, session, driver, i, 0);
if (r != MAIL_NO_ERROR) {
mailmessage_free(msg);
res = r;
goto free_list;
}
r = carray_add(tab, msg, NULL);
if (r < 0) {
mailmessage_free(msg);
res = MAIL_ERROR_MEMORY;
goto free_list;
}
}
env_list = mailmessage_list_new(tab);
if (env_list == NULL) {
res = MAIL_ERROR_MEMORY;
goto free_list;
}
* result = env_list;
return MAIL_NO_ERROR;
free_list:
for(cur = 0 ; cur < carray_count(tab) ; cur ++)
mailmessage_free(carray_get(tab, cur));
carray_free(tab);
err:
return res;
}
static int get_messages_list(mailsession * session,
struct mailmessage_list ** result)
{
int r;
char key[PATH_MAX];
struct mail_cache_db * maildb;
struct db_session_state_data * data;
int res;
carray * msglist;
unsigned int i;
carray * msgtab;
struct mailmessage_list * driver_msglist;
data = get_data(session);
r = mail_cache_db_open_lock(data->db_filename, &maildb);
if (r < 0) {
res = MAIL_ERROR_FILE;
goto err;
}
r = db_get_message_list(maildb, &msglist);
if (r != MAIL_NO_ERROR) {
res = r;
goto close_db;
}
msgtab = carray_new(16);
if (msgtab == NULL) {
res = MAIL_ERROR_MEMORY;
goto close_db;
}
for(i = 0 ; i < carray_count(msglist) ; i ++) {
uint32_t msg_num;
uint32_t * pmsg_num;
mailmessage * msg;
size_t size;
pmsg_num = carray_get(msglist, i);
msg_num = * pmsg_num;
free(pmsg_num);
carray_set(msglist, i, NULL);
snprintf(key, sizeof(key), "%lu", (unsigned long) msg_num);
r = mail_cache_db_get_size(maildb, key, strlen(key), &size);
if (r < 0) {
continue;
}
msg = mailmessage_new();
if (msg == NULL) {
res = MAIL_ERROR_MEMORY;
goto free_list;
}
r = mailmessage_init(msg, session, db_message_driver,
msg_num, size);
if (r != MAIL_NO_ERROR) {
mailmessage_free(msg);
res = r;
goto free_list;
}
r = carray_add(msgtab, msg, NULL);
if (r < 0) {
mailmessage_free(msg);
res = MAIL_ERROR_MEMORY;
goto free_list;
}
}
carray_free(msglist);
driver_msglist = mailmessage_list_new(msgtab);
if (driver_msglist == NULL) {
res = MAIL_ERROR_MEMORY;
goto free_list;
}
mail_cache_db_close_unlock(data->db_filename, maildb);
* result = driver_msglist;
return MAIL_NO_ERROR;
free_list:
for(i = 0 ; i < carray_count(msgtab) ; i ++) {
mailmessage * msg;
msg = carray_get(msgtab, i);
mailmessage_free(msg);
}
carray_free(msgtab);
for(i = 0 ; i < carray_count(msglist) ; i ++) {
uint32_t * msg;
msg = carray_get(msglist, i);
if (msg != NULL)
free(msg);
}
carray_free(msglist);
close_db:
mail_cache_db_close_unlock(data->db_filename, maildb);
err:
return res;
}
static int folder_update_msg_list(struct folder_ref_info * ref_info,
struct mailmessage_list ** p_new_msg_list,
struct mailmessage_list ** p_lost_msg_list)
{
int r;
int res;
struct mailmessage_list * new_env_list;
unsigned int i;
carray * lost_msg_tab;
struct mailmessage_list * lost_msg_list;
unsigned int free_start_index;
chashiter * iter;
unsigned int lost_count;
r = mailfolder_get_messages_list(ref_info->folder, &new_env_list);
if (r != MAIL_NO_ERROR) {
res = r;
goto err;
}
for(iter = chash_begin(ref_info->msg_hash) ; iter != NULL ;
iter = chash_next(ref_info->msg_hash, iter)) {
struct message_ref_elt * msg_ref;
chashdatum data;
chash_value(iter, &data);
msg_ref = data.data;
msg_ref->lost = 1;
}
lost_count = chash_count(ref_info->msg_hash);
for(i = 0 ; i < carray_count(new_env_list->msg_tab) ; i ++) {
mailmessage * msg;
mailmessage * old_msg;
msg = carray_get(new_env_list->msg_tab, i);
if (msg->msg_uid == NULL)
continue;
old_msg = folder_info_get_msg_by_uid(ref_info, msg->msg_uid);
if (old_msg != NULL) {
struct message_ref_elt * msg_ref;
/* replace old message */
old_msg->msg_index = msg->msg_index;
carray_set(new_env_list->msg_tab, i, old_msg);
mailmessage_free(msg);
msg_ref = folder_info_get_msg_ref(ref_info, old_msg);
msg_ref->lost = 0;
lost_count --;
}
else {
/* set new message */
r = folder_message_add(ref_info, msg);
if (r != MAIL_NO_ERROR) {
free_start_index = i;
res = r;
goto free_remaining;
}
}
}
/* build the table of lost messages */
lost_msg_tab = carray_new(lost_count);
if (lost_msg_tab == NULL) {
res = MAIL_ERROR_MEMORY;
goto free_env_list;
}
carray_set_size(lost_msg_tab, lost_count);
i = 0;
for(iter = chash_begin(ref_info->msg_hash) ; iter != NULL ;
iter = chash_next(ref_info->msg_hash, iter)) {
struct message_ref_elt * msg_ref;
chashdatum key;
chashdatum value;
mailmessage * msg;
chash_key(iter, &key);
memcpy(&msg, key.data, sizeof(msg));
chash_value(iter, &value);
msg_ref = value.data;
if (msg_ref->lost) {
carray_set(lost_msg_tab, i, msg);
i ++;
}
}
lost_msg_list = mailmessage_list_new(lost_msg_tab);
if (lost_msg_list == NULL) {
res = MAIL_ERROR_MEMORY;
goto free_lost_msg_tab;
}
/* reference messages */
for(i = 0 ; i < carray_count(new_env_list->msg_tab) ; i ++) {
mailmessage * msg;
msg = carray_get(new_env_list->msg_tab, i);
folder_message_ref(ref_info, msg);
}
* p_new_msg_list = new_env_list;
* p_lost_msg_list = lost_msg_list;
return MAIL_NO_ERROR;
free_lost_msg_tab:
carray_free(lost_msg_tab);
free_env_list:
for(i = 0 ; i < carray_count(new_env_list->msg_tab) ; i ++) {
mailmessage * msg;
struct message_ref_elt * msg_ref;
msg = carray_get(new_env_list->msg_tab, i);
msg_ref = folder_info_get_msg_ref(ref_info, msg);
if (msg_ref != NULL) {
if (msg_ref->ref_count == 0)
folder_message_remove(ref_info, msg);
}
}
carray_set_size(new_env_list->msg_tab, 0);
mailmessage_list_free(new_env_list);
goto err;
free_remaining:
for(i = 0 ; i < carray_count(new_env_list->msg_tab) ; i ++) {
mailmessage * msg;
struct message_ref_elt * msg_ref;
msg = carray_get(new_env_list->msg_tab, i);
msg_ref = folder_info_get_msg_ref(ref_info, msg);
if (msg_ref != NULL) {
if (msg_ref->ref_count == 0)
folder_message_remove(ref_info, msg);
}
}
for(i = free_start_index ; i < carray_count(new_env_list->msg_tab) ; i ++) {
mailmessage * msg;
msg = carray_get(new_env_list->msg_tab, i);
mailmessage_free(msg);
}
carray_set_size(new_env_list->msg_tab, 0);
mailmessage_list_free(new_env_list);
err:
return res;
}
static int
mail_build_thread_references(char * default_from,
struct mailmessage_list * env_list,
struct mailmessage_tree ** result,
int use_subject,
int (* comp_func)(struct mailmessage_tree **,
struct mailmessage_tree **))
{
int r;
int res;
chash * msg_id_hash;
unsigned int cur;
struct mailmessage_tree * root;
carray * rootlist;
carray * msg_list;
unsigned int i;
chash * subject_hash;
msg_id_hash = chash_new(128, CHASH_COPYNONE);
if (msg_id_hash == NULL) {
res = MAIL_ERROR_MEMORY;
goto err;
}
root = mailmessage_tree_new(NULL, (time_t) -1, NULL);
if (root == NULL) {
res = MAIL_ERROR_MEMORY;
goto free_hash;
}
rootlist = root->node_children;
msg_list = carray_new(128);
if (msg_list == NULL) {
res = MAIL_ERROR_MEMORY;
goto free_root;
}
/* collect message-ID */
for(i = 0 ; i < carray_count(env_list->msg_tab) ; i ++) {
mailmessage * msg;
char * msgid;
struct mailmessage_tree * env_tree;
chashdatum hashkey;
chashdatum hashdata;
chashdatum hashold;
time_t date;
msg = carray_get(env_list->msg_tab, i);
if (msg == NULL)
continue;
if (msg->msg_fields != NULL) {
msgid = get_msg_id(msg);
if (msgid == NULL) {
msgid = mailimf_get_message_id();
}
else {
hashkey.data = msgid;
hashkey.len = strlen(msgid);
if (chash_get(msg_id_hash, &hashkey, &hashdata) == 0)
msgid = mailimf_get_message_id();
else
msgid = strdup(msgid);
}
if (msgid == NULL) {
res = MAIL_ERROR_MEMORY;
goto free_list;
}
date = get_date(msg);
env_tree = mailmessage_tree_new(msgid, date, msg);
if (env_tree == NULL) {
res = MAIL_ERROR_MEMORY;
goto free_list;
}
r = carray_add(msg_list, env_tree, NULL);
if (r < 0) {
mailmessage_tree_free(env_tree);
res = MAIL_ERROR_MEMORY;
goto free_list;
}
hashkey.data = msgid;
hashkey.len = strlen(msgid);
hashdata.data = env_tree;
hashdata.len = 0;
r = chash_set(msg_id_hash, &hashkey, &hashdata, &hashold);
if (r < 0) {
res = MAIL_ERROR_MEMORY;
goto free_list;
}
}
}
/* (1) for all messages */
for(cur = 0 ; cur < carray_count(msg_list) ; cur ++) {
struct mailmessage_tree * env_tree;
mailmessage * msg;
clist * ref;
env_tree = carray_get(msg_list, cur);
msg = env_tree->node_msg;
ref = NULL;
if (msg != NULL) {
ref = get_ref(msg);
if (ref == NULL)
ref = get_in_reply_to(msg);
}
/* (A) Using the Message IDs in the message's references, link
the corresponding messages (those whose Message-ID header
line contains the given reference Message ID) together as
parent/child.
*/
if (ref != NULL) {
/* try to start a tree */
clistiter * cur_ref;
chashdatum hashkey;
chashdatum hashdata;
chashdatum hashold;
struct mailmessage_tree * env_cur_tree;
struct mailmessage_tree * last_env_cur_tree;
env_cur_tree = NULL;
for(cur_ref = clist_begin(ref) ; cur_ref != NULL ;
cur_ref = clist_next(cur_ref)) {
char * msgid;
last_env_cur_tree = env_cur_tree;
msgid = clist_content(cur_ref);
hashkey.data = msgid;
hashkey.len = strlen(msgid);
r = chash_get(msg_id_hash, &hashkey, &hashdata);
if (r < 0) {
/* not found, create a dummy message */
msgid = strdup(msgid);
if (msgid == NULL) {
res = MAIL_ERROR_MEMORY;
goto free_list;
}
env_cur_tree = mailmessage_tree_new(msgid, (time_t) -1, NULL);
if (env_cur_tree == NULL) {
free(msgid);
res = MAIL_ERROR_MEMORY;
goto free_list;
}
r = carray_add(msg_list, env_cur_tree, NULL);
if (r < 0) {
mailmessage_tree_free(env_cur_tree);
res = MAIL_ERROR_MEMORY;
goto free_list;
}
hashkey.data = msgid;
hashkey.len = strlen(msgid);
hashdata.data = env_cur_tree;
hashdata.len = 0;
r = chash_set(msg_id_hash, &hashkey, &hashdata, &hashold);
if (r < 0) {
res = MAIL_ERROR_MEMORY;
goto free_list;
}
}
else {
env_cur_tree = hashdata.data;
}
if (last_env_cur_tree != NULL) {
if (env_cur_tree->node_parent == NULL) {
/* make it one child */
if (env_cur_tree != last_env_cur_tree) {
if (!is_descendant(env_cur_tree, last_env_cur_tree)) {
/* set parent */
env_cur_tree->node_parent = last_env_cur_tree;
r = carray_add(last_env_cur_tree->node_children,
env_cur_tree, NULL);
if (r < 0) {
res = MAIL_ERROR_MEMORY;
goto free_list;
}
}
}
}
}
}
/* (B) Create a parent/child link between the last reference
(or NIL if there are no references) and the current message.
If the current message already has a parent, it is probably
the result of a truncated References header line, so break
the current parent/child link before creating the new
correct one.
*/
last_env_cur_tree = env_cur_tree;
if (last_env_cur_tree != NULL) {
if (env_tree->node_parent == NULL) {
if (last_env_cur_tree != env_tree) {
if (!is_descendant(env_tree, last_env_cur_tree)) {
/* set parent */
env_tree->node_parent = last_env_cur_tree;
r = carray_add(last_env_cur_tree->node_children, env_tree, NULL);
if (r < 0) {
res = MAIL_ERROR_MEMORY;
goto free_list;
}
}
}
}
}
}
}
chash_free(msg_id_hash);
msg_id_hash = NULL;
/* (2) Gather together all of the messages that have no parents
and make them all children (siblings of one another) of a dummy
parent (the "root").
*/
for(cur = 0 ; cur < carray_count(msg_list) ; cur ++) {
struct mailmessage_tree * env_tree;
env_tree = carray_get(msg_list, cur);
if (env_tree->node_parent == NULL) {
r = carray_add(rootlist, env_tree, NULL);
if (r < 0) {
res = MAIL_ERROR_MEMORY;
goto free_list;
}
/* set parent */
env_tree->node_parent = root;
}
}
carray_free(msg_list);
msg_list = NULL;
/* (3) Prune dummy messages from the thread tree.
*/
cur = 0;
while (cur < carray_count(rootlist)) {
r = delete_dummy(rootlist, rootlist, cur, &cur);
if (r != MAIL_NO_ERROR) {
res = r;
goto free_list;
}
}
/* (4) Sort the messages under the root (top-level siblings only)
by sent date.
*/
r = mail_thread_sort(root, mailthread_tree_timecomp, FALSE);
if (r != MAIL_NO_ERROR) {
res = r;
goto free_list;
}
if (use_subject) {
/* (5) Gather together messages under the root that have the same
extracted subject text.
(A) Create a table for associating extracted subjects with
messages.
*/
subject_hash = chash_new(128, CHASH_COPYVALUE);
if (subject_hash == NULL) {
res = MAIL_ERROR_MEMORY;
goto free_list;
}
/*
(B) Populate the subject table with one message per
extracted subject. For each child of the root:
*/
for(cur = 0 ; cur < carray_count(rootlist) ; cur ++) {
struct mailmessage_tree * env_tree;
chashdatum key;
chashdatum data;
char * base_subject;
env_tree = carray_get(rootlist, cur);
/*
(i) Find the subject of this thread by extracting the
base subject from the current message, or its first child
if the current message is a dummy.
*/
r = get_thread_subject(default_from, env_tree, &base_subject);
/*
(ii) If the extracted subject is empty, skip this
message.
*/
if (r == MAIL_ERROR_SUBJECT_NOT_FOUND) {
/* no subject found */
continue;
}
else if (r == MAIL_NO_ERROR) {
if (* base_subject == '\0') {
/* subject empty */
free(base_subject);
continue;
}
else {
/* do nothing */
}
}
else {
res = r;
goto free_subject_hash;
}
env_tree->node_base_subject = base_subject;
/*
(iii) Lookup the message associated with this extracted
subject in the table.
*/
key.data = base_subject;
key.len = strlen(base_subject);
r = chash_get(subject_hash, &key, &data);
if (r < 0) {
/*
(iv) If there is no message in the table with this
subject, add the current message and the extracted
subject to the subject table.
*/
data.data = &cur;
data.len = sizeof(cur);
r = chash_set(subject_hash, &key, &data, NULL);
if (r < 0) {
res = MAIL_ERROR_MEMORY;
goto free_subject_hash;
}
}
else {
/*
Otherwise, replace the message in the table with the
current message if the message in the table is not a
dummy AND either of the following criteria are true:
The current message is a dummy, OR
The message in the table is a reply or forward (its
original subject contains a subj-refwd part and/or a
"(fwd)" subj-trailer) and the current message is not.
*/
struct mailmessage_tree * msg_in_table;
unsigned int * iter_in_table;
int replace;
iter_in_table = data.data;
msg_in_table = carray_get(rootlist, cur);
replace = FALSE;
/* message is dummy if info is NULL */
if (msg_in_table->node_msg != NULL) {
if (env_tree->node_msg == NULL)
replace = TRUE;
else {
if (env_tree->node_is_reply && !env_tree->node_is_reply)
replace = TRUE;
}
}
if (replace) {
data.data = &cur;
data.len = sizeof(cur);
r = chash_set(subject_hash, &key, &data, NULL);
if (r < 0) {
res = MAIL_ERROR_MEMORY;
goto free_subject_hash;
}
}
}
}
/*
(C) Merge threads with the same subject. For each child of
the root:
*/
cur = 0;
while (cur < carray_count(rootlist)) {
struct mailmessage_tree * env_tree;
chashdatum key;
chashdatum data;
struct mailmessage_tree * main_tree;
unsigned int * main_cur;
env_tree = carray_get(rootlist, cur);
if (env_tree == NULL)
goto next_msg;
/*
(i) Find the subject of this thread as in step 4.B.i
above.
*/
/* already done in tree->node_base_subject */
/*
(ii) If the extracted subject is empty, skip this
message.
*/
if (env_tree->node_base_subject == NULL)
goto next_msg;
if (* env_tree->node_base_subject == '\0')
goto next_msg;
/*
(iii) Lookup the message associated with this extracted
subject in the table.
*/
key.data = env_tree->node_base_subject;
key.len = strlen(env_tree->node_base_subject);
r = chash_get(subject_hash, &key, &data);
if (r < 0)
goto next_msg;
/*
(iv) If the message in the table is the current message,
skip this message.
*/
main_cur = data.data;
if (* main_cur == cur)
goto next_msg;
/*
Otherwise, merge the current message with the one in the
table using the following rules:
*/
main_tree = carray_get(rootlist, * main_cur);
/*
If both messages are dummies, append the current
message's children to the children of the message in
the table (the children of both messages become
siblings), and then delete the current message.
*/
if ((env_tree->node_msg == NULL) && (main_tree->node_msg == NULL)) {
unsigned int old_size;
old_size = carray_count(main_tree->node_children);
r = carray_set_size(main_tree->node_children, old_size +
carray_count(env_tree->node_children));
if (r < 0) {
res = MAIL_ERROR_MEMORY;
goto free_subject_hash;
}
for(i = 0 ; i < carray_count(env_tree->node_children) ; i ++) {
struct mailmessage_tree * child;
child = carray_get(env_tree->node_children, i);
carray_set(main_tree->node_children, old_size + i, child);
/* set parent */
child->node_parent = main_tree;
}
carray_set_size(env_tree->node_children, 0);
/* this is the only case where children can be NULL,
this is before freeing it */
mailmessage_tree_free(env_tree);
carray_delete_fast(rootlist, cur);
}
/*
If the message in the table is a dummy and the current
message is not, make the current message a child of
the message in the table (a sibling of it's children).
*/
else if (main_tree->node_msg == NULL) {
r = carray_add(main_tree->node_children, env_tree, NULL);
if (r < 0) {
res = MAIL_ERROR_MEMORY;
goto free_subject_hash;
}
/* set parent */
env_tree->node_parent = main_tree;
carray_delete_fast(rootlist, cur);
}
/*
If the current message is a reply or forward and the
message in the table is not, make the current message
a child of the message in the table (a sibling of it's
children).
*/
else if (env_tree->node_is_reply && !main_tree->node_is_reply) {
r = carray_add(main_tree->node_children, env_tree, NULL);
if (r < 0) {
res = MAIL_ERROR_MEMORY;
goto free_subject_hash;
}
/* set parent */
env_tree->node_parent = main_tree;
carray_delete_fast(rootlist, cur);
}
/*
Otherwise, create a new dummy message and make both
the current message and the message in the table
children of the dummy. Then replace the message in
the table with the dummy message.
Note: Subject comparisons are case-insensitive, as
described under "Internationalization
Considerations."
*/
else {
struct mailmessage_tree * new_main_tree;
char * base_subject;
unsigned int last;
new_main_tree = mailmessage_tree_new(NULL, (time_t) -1, NULL);
if (new_main_tree == NULL) {
res = MAIL_ERROR_MEMORY;
goto free_subject_hash;
}
/* main_tree->node_base_subject is never NULL */
base_subject = strdup(main_tree->node_base_subject);
if (base_subject == NULL) {
mailmessage_tree_free(new_main_tree);
res = MAIL_ERROR_MEMORY;
goto free_subject_hash;
}
new_main_tree->node_base_subject = base_subject;
r = carray_add(rootlist, new_main_tree, &last);
if (r < 0) {
mailmessage_tree_free(new_main_tree);
res = MAIL_ERROR_MEMORY;
goto free_subject_hash;
}
r = carray_add(new_main_tree->node_children, main_tree, NULL);
if (r < 0) {
res = MAIL_ERROR_MEMORY;
goto free_subject_hash;
}
/* set parent */
main_tree->node_parent = new_main_tree;
carray_delete_fast(rootlist, * main_cur);
r = carray_add(new_main_tree->node_children, env_tree, NULL);
if (r < 0) {
res = MAIL_ERROR_MEMORY;
goto free_subject_hash;
}
/* set parent */
env_tree->node_parent = new_main_tree;
carray_delete_fast(rootlist, cur);
data.data = &last;
data.len = sizeof(last);
r = chash_set(subject_hash, &key, &data, NULL);
if (r < 0) {
res = MAIL_ERROR_MEMORY;
goto free_subject_hash;
}
}
continue;
next_msg:
cur ++;
continue;
}
i = 0;
for(cur = 0 ; cur < carray_count(rootlist) ; cur ++) {
struct mailmessage_tree * env_tree;
env_tree = carray_get(rootlist, cur);
if (env_tree == NULL)
continue;
carray_set(rootlist, i, env_tree);
i ++;
}
carray_set_size(rootlist, i);
chash_free(subject_hash);
}
/*
(6) Traverse the messages under the root and sort each set of
siblings by sent date. Traverse the messages in such a way
that the "youngest" set of siblings are sorted first, and the
"oldest" set of siblings are sorted last (grandchildren are
sorted before children, etc).
In the case of an exact match on
sent date or if either of the Date: headers used in a
comparison can not be parsed, use the order in which the
messages appear in the mailbox (that is, by sequence number) to
determine the order. In the case of a dummy message (which can
only occur with top-level siblings), use its first child for
sorting.
*/
#if 0
if (comp_func != NULL) {
r = mail_thread_sort(root, comp_func, TRUE);
if (r != MAIL_NO_ERROR) {
res = r;
goto free_list;
}
}
#endif
if (comp_func == NULL)
comp_func = mailthread_tree_timecomp;
r = mail_thread_sort(root, comp_func, TRUE);
if (r != MAIL_NO_ERROR) {
res = r;
goto free_list;
}
* result = root;
return MAIL_NO_ERROR;
free_subject_hash:
chash_free(subject_hash);
free_list:
if (msg_list != NULL) {
for(i = 0 ; i < carray_count(msg_list) ; i ++)
mailmessage_tree_free(carray_get(msg_list, i));
carray_free(msg_list);
}
free_root:
mailmessage_tree_free_recursive(root);
free_hash:
if (msg_id_hash != NULL)
chash_free(msg_id_hash);
err:
return res;
}
