/**
* @brief Destroy a web session and its associated data.
* @param sess a pointer to the web session to be destroyed.
* @return This function returns no value.
*/
void sess_destroy(session_t *sess) {
if (sess) {
if (sess->user) {
meta_remove(sess->user->username, META_PROT_WEB);
}
st_cleanup(sess->warden.token);
st_cleanup(sess->warden.agent);
// Release the credential.
if (sess->warden.cred) {
credential_free(sess->warden.cred);
sess->warden.cred = NULL;
}
st_cleanup(sess->request.host);
st_cleanup(sess->request.path);
st_cleanup(sess->request.application);
inx_cleanup(sess->compositions);
mutex_destroy(&(sess->lock));
mm_free(sess);
}
return;
}
void file_info::meta_remove_field(const char * name)//removes ALL fields of given name
{
assert(is_valid_utf8(name));
int n;
for(n=meta_get_count()-1;n>=0;n--)
{
if (!stricmp_utf8(meta_enum_name(n),name))
meta_remove(n);
}
}
void imap_session_destroy(connection_t *con) {
inx_cursor_t *cursor;
meta_message_t *active;
meta_user_wlock(con->imap.user);
// If a folder was selected, clear the recent flag before closing the mailbox.
if (con->imap.session_state == 1 && con->imap.user && con->imap.selected && !con->imap.read_only &&
(cursor = inx_cursor_alloc(con->imap.user->messages))) {
while ((active = inx_cursor_value_next(cursor))) {
if (active->foldernum == con->imap.selected && (active->status & MAIL_STATUS_RECENT) == MAIL_STATUS_RECENT) {
active->status = (active->status | MAIL_STATUS_RECENT) ^ MAIL_STATUS_RECENT;
}
}
inx_cursor_free(cursor);
}
meta_user_unlock(con->imap.user);
// Is there a user session.
if (con->imap.user) {
if (con->imap.username) {
meta_remove(con->imap.username, META_PROT_IMAP);
}
}
st_cleanup(con->imap.username);
st_cleanup(con->imap.tag);
st_cleanup(con->imap.command);
if (con->imap.arguments) {
ar_free(con->imap.arguments);
}
mail_cache_reset();
return;
}
/**
* @brief Accept and verify a password for POP3 authentication.
* @note This command is only allowed for sessions which have not yet been authenticated, but which have already supplied a username.
* If the username/password combo was validated, the account information is retrieved and checked to see if it is locked.
* After successful authentication, this function will prohibit insecure connections for any user configured to use SSL only,
* and enforce the existence of only one POP3 session at a time.
* Finally, the database Log table for this user's POP3 access is updated, and all the user's messages are retrieved.
* @param con the POP3 client connection issuing the command.
* @return This function returns no value.
*/
void pop_pass(connection_t *con) {
int_t state;
credential_t *cred;
stringer_t *password, *username;
if (con->pop.session_state != 0) {
pop_invalid(con);
return;
}
// The user must come before the PASS command.
if (st_empty(con->pop.username)) {
con_write_bl(con, "-ERR You must supply a username first.\r\n", 40);
return;
}
// If they didn't pass in a valid password.
if (!(password = pop_pass_parse(con))) {
con_write_bl(con, "-ERR Invalid PASS command.\r\n", 28);
return;
}
// Hash the password.
// First we need to get the regular username from the fully qualified one.
if (!(username = credential_username(con->pop.username))) {
con_write_bl(con, "-ERR Internal server error. Please try again later.\r\n", 53);
st_wipe(password);
st_free(password);
}
st_free(con->pop.username);
con->pop.username = username;
if (!(cred = credential_alloc_auth(con->pop.username, password))) {
con_write_bl(con, "-ERR Internal server error. Please try again later.\r\n", 53);
st_wipe(password);
st_free(password);
return;
}
st_wipe(password);
st_free(password);
// Pull the user info out.
state = meta_get(con->pop.username, cred->auth.domain, cred->auth.password, cred->auth.key, META_PROT_POP, META_GET_MESSAGES, &(con->pop.user));
// Securely delete this information, as these are the keys to the castle.
credential_free(cred);
// Not found, or invalid password.
if (state == 0) {
con_write_bl(con, "-ERR The username and password combination is invalid.\r\n", 56);
return;
}
// Internal error.
else if (state < 0 || !con->pop.user) {
con_write_bl(con, "-ERR [SYS/TEMP] Internal server error. Please try again later.\r\n", 64);
return;
}
// Locks
else if (con->pop.user->lock_status != 0) {
// What type of lock is it.
if (con->pop.user->lock_status == 1) {
con_write_bl(con, "-ERR [SYS/PERM] This account has been administratively locked.\r\n", 64);
}
else if (con->pop.user->lock_status == 2) {
con_write_bl(con, "-ERR [SYS/PERM] This account has been locked for inactivity.\r\n", 62);
}
else if (con->pop.user->lock_status == 3) {
con_write_bl(con, "-ERR [SYS/PERM] This account has been locked on suspicion of abuse.\r\n", 69);
}
else if (con->pop.user->lock_status == 4) {
con_write_bl(con, "-ERR [SYS/PERM] This account has been locked at the request of the user.\r\n", 74);
}
else {
con_write_bl(con, "-ERR [SYS/PERM] This account has been locked.\r\n", 47);
}
con->pop.user = NULL;
meta_remove(con->pop.username, META_PROT_POP);
return;
}
// SSL check.
else if ((con->pop.user->flags & META_USER_SSL) == META_USER_SSL && con_secure(con) != 1) {
con->pop.user = NULL;
meta_remove(con->pop.username, META_PROT_POP);
con_write_bl(con, "-ERR [SYS/PERM] This user account is configured to require that all POP sessions be connected over SSL.\r\n", 105);
return;
}
// Single session check.
else if (con->pop.user->refs.pop != 1) {
con->pop.user = NULL;
meta_remove(con->pop.username, META_PROT_POP);
con_write_bl(con, "-ERR [IN-USE] This account is being used by another session. Please try again in a few minutes.\r\n", 97);
return;
}
// Debug logging.
log_pedantic("User %.*s logged in from %s via POP. {poprefs = %lu, imaprefs = %lu, messages = %lu}",
st_length_int(con->pop.username), st_char_get(con->pop.username), st_char_get(con_addr_presentation(con, MANAGEDBUF(256))),
con->pop.user->refs.pop, con->pop.user->refs.imap, con->pop.user->messages ? inx_count(con->pop.user->messages) : 0);
// Update the log and unlock the session.
meta_data_update_log(con->pop.user, META_PROT_POP);
meta_user_wlock(con->pop.user);
meta_messages_login_update(con->pop.user, META_LOCKED);
meta_user_unlock(con->pop.user);
// Update session state.
con->pop.session_state = 1;
// Tell the client everything worked.
con_write_bl(con, "+OK Password accepted.\r\n", 24);
return;
}
