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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999-2025 Free Software Foundation, Inc.
GNU Mailutils is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Mailutils is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Mailutils. If not, see <http://www.gnu.org/licenses/>. */
#include "imap4d.h"
struct imap4d_sizeinfo
{
mu_off_t size;
mu_off_t nfiles;
mu_off_t ndirs;
mu_off_t nerrs;
};
static int
addsize (mu_folder_t folder, struct mu_list_response *resp, void *data)
{
struct imap4d_sizeinfo *si = data;
if (resp->type & MU_FOLDER_ATTRIBUTE_DIRECTORY)
si->ndirs++;
if (resp->type & MU_FOLDER_ATTRIBUTE_FILE)
{
mu_off_t size;
mu_mailbox_t mbox;
int rc;
si->nfiles++;
rc = mu_mailbox_create_from_record (&mbox, resp->format, resp->name);
if (rc)
{
mu_diag_funcall (MU_DIAG_ERROR, "mu_mailbox_create_from_record",
resp->name, rc);
si->nerrs++;
return 0;
}
rc = mu_mailbox_open (mbox, MU_STREAM_READ);
if (rc)
{
mu_diag_funcall (MU_DIAG_ERROR, "mu_mailbox_open",
resp->name, rc);
si->nerrs++;
mu_mailbox_destroy (&mbox);
return 0;
}
rc = mu_mailbox_get_size (mbox, &size);
mu_mailbox_destroy (&mbox);
if (rc)
{
mu_diag_funcall (MU_DIAG_ERROR, "mu_mailbox_open",
resp->name, rc);
si->nerrs++;
return 0;
}
si->size += size;
}
return 0;
}
void
directory_size (const char *dirname, mu_off_t *size)
{
mu_folder_t folder;
struct imap4d_sizeinfo sizeinfo;
int status;
status = mu_folder_create (&folder, dirname);
if (status)
{
mu_diag_funcall (MU_DIAG_ERROR, "mu_folder_create", dirname, status);
return;
}
status = mu_folder_open (folder, MU_STREAM_READ);
if (status)
{
mu_diag_funcall (MU_DIAG_ERROR, "mu_folder_open", dirname, status);
mu_folder_destroy (&folder);
return;
}
memset (&sizeinfo, 0, sizeof (sizeinfo));
status = mu_folder_enumerate (folder, NULL, "*", 0, 0, NULL,
addsize, &sizeinfo);
if (status)
mu_diag_funcall (MU_DIAG_ERROR, "mu_folder_enumerate", dirname, status);
else
{
mu_diag_output (MU_DIAG_INFO,
_("%s statistics: size=%lu, ndirs=%lu, nfiles=%lu, nerrs=%lu"),
dirname,
(unsigned long)sizeinfo.size,
(unsigned long)sizeinfo.ndirs,
(unsigned long)sizeinfo.nfiles,
(unsigned long)sizeinfo.nerrs);
}
*size = sizeinfo.size;
}
mu_off_t used_size;
void
quota_setup (void)
{
directory_size (real_homedir, &used_size);
}
int
quota_check (mu_off_t size)
{
char *mailbox_name;
mu_mailbox_t mbox;
mu_off_t total;
int rc;
mu_record_t record;
if (auth_data->quota == 0)
return RESP_OK;
total = used_size;
mailbox_name = namespace_get_name ("INBOX", &record, NULL);
rc = mu_mailbox_create_from_record (&mbox, record, mailbox_name);
if (rc)
mu_diag_funcall (MU_DIAG_ERROR, "mu_mailbox_create", mailbox_name, rc);
else
{
do
{
mu_off_t mbsize;
rc = mu_mailbox_open (mbox, MU_STREAM_READ);
if (rc)
{
if (rc != ENOENT)
mu_diag_funcall (MU_DIAG_ERROR, "mu_mailbox_open",
mailbox_name, rc);
break;
}
rc = mu_mailbox_get_size (mbox, &mbsize);
if (rc)
{
mu_diag_funcall (MU_DIAG_ERROR, "mu_mailbox_get_size",
mailbox_name, rc);
mu_mailbox_close (mbox);
break;
}
total += mbsize;
mu_mailbox_close (mbox);
}
while (0);
mu_mailbox_destroy (&mbox);
}
free (mailbox_name);
if (rc)
return RESP_BAD;
if (total > auth_data->quota)
{
mu_diag_output (MU_DIAG_NOTICE,
_("user %s is out of mailbox quota"),
auth_data->name);
return RESP_NO;
}
else if (total + size > auth_data->quota)
{
mu_diag_output (MU_DIAG_NOTICE,
_("user %s: adding %lu bytes would exceed mailbox quota"),
auth_data->name, (unsigned long) size);
return RESP_NO;
}
return RESP_OK;
}
void
quota_update (mu_off_t size)
{
used_size += size;
}
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