quota.c revision e34d170f8f0e084bd94bfbc1a7085ece67e508df
5f5870385cff47efd2f58e7892f251cf13761528Timo Sirainen/* Copyright (c) 2005-2012 Dovecot authors, see the included COPYING file */
cb2b5a7d6e7e651191bf9ee1eda94a6e207288b0Timo Sirainen "Quota exceeded (mailbox for user is full)"
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainen unsigned int i;
1795e934ebcd58175d3b5bbdd811b13c7889efa3Timo Sirainenunsigned int quota_module_id = 0;
82995cc154a929f37aa486a72a6485e9f8d34a30Timo Sirainenextern struct quota_backend quota_backend_dict;
cb951d3282610a9a0960230865bc5f3e3347b203Timo Sirainenextern struct quota_backend quota_backend_dirsize;
cb951d3282610a9a0960230865bc5f3e3347b203Timo Sirainenextern struct quota_backend quota_backend_maildir;
3fe44a0df5a0bdd80c495f79cbf0e384441d6fccTimo Sirainenstatic const struct quota_backend *quota_backends[] = {
3fe44a0df5a0bdd80c495f79cbf0e384441d6fccTimo Sirainenstatic int quota_default_test_alloc(struct quota_transaction_context *ctx,
4316355ca8b7698516272520a972291378698140Timo Sirainenstatic const struct quota_backend *quota_backend_find(const char *name)
4316355ca8b7698516272520a972291378698140Timo Sirainen unsigned int i;
4316355ca8b7698516272520a972291378698140Timo Sirainen for (i = 0; i < N_ELEMENTS(quota_backends); i++) {
4316355ca8b7698516272520a972291378698140Timo Sirainen if (strcmp(quota_backends[i]->name, name) == 0)
4316355ca8b7698516272520a972291378698140Timo Sirainenstatic int quota_root_add_rules(struct mail_user *user, const char *root_name,
4316355ca8b7698516272520a972291378698140Timo Sirainen const char **error_r)
0df9428baed48afaff90b4d4f03792d2fd756a43Timo Sirainen unsigned int i;
0df9428baed48afaff90b4d4f03792d2fd756a43Timo Sirainen rule_name = t_strconcat(root_name, "_rule", NULL);
0df9428baed48afaff90b4d4f03792d2fd756a43Timo Sirainen for (i = 2;; i++) {
0df9428baed48afaff90b4d4f03792d2fd756a43Timo Sirainen rule = mail_user_plugin_getenv(user, rule_name);
0df9428baed48afaff90b4d4f03792d2fd756a43Timo Sirainen if (quota_root_add_rule(root_set, rule, &error) < 0) {
4316355ca8b7698516272520a972291378698140Timo Sirainen *error_r = t_strdup_printf("Invalid rule %s: %s",
0df9428baed48afaff90b4d4f03792d2fd756a43Timo Sirainen rule_name = t_strdup_printf("%s_rule%d", root_name, i);
0df9428baed48afaff90b4d4f03792d2fd756a43Timo Sirainenquota_root_add_warning_rules(struct mail_user *user, const char *root_name,
4316355ca8b7698516272520a972291378698140Timo Sirainen const char **error_r)
0df9428baed48afaff90b4d4f03792d2fd756a43Timo Sirainen unsigned int i;
0df9428baed48afaff90b4d4f03792d2fd756a43Timo Sirainen rule_name = t_strconcat(root_name, "_warning", NULL);
0df9428baed48afaff90b4d4f03792d2fd756a43Timo Sirainen for (i = 2;; i++) {
0df9428baed48afaff90b4d4f03792d2fd756a43Timo Sirainen rule = mail_user_plugin_getenv(user, rule_name);
0df9428baed48afaff90b4d4f03792d2fd756a43Timo Sirainen if (quota_root_add_warning_rule(root_set, rule, &error) < 0) {
4316355ca8b7698516272520a972291378698140Timo Sirainen *error_r = t_strdup_printf("Invalid warning rule: %s",
0df9428baed48afaff90b4d4f03792d2fd756a43Timo Sirainen rule_name = t_strdup_printf("%s_warning%d", root_name, i);
4316355ca8b7698516272520a972291378698140Timo Sirainenquota_root_settings_init(struct quota_settings *quota_set, const char *root_def,
4316355ca8b7698516272520a972291378698140Timo Sirainen const char **error_r)
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainen /* <backend>[:<quota root name>[:<backend args>]] */
4316355ca8b7698516272520a972291378698140Timo Sirainen *error_r = t_strdup_printf("Unknown quota backend: %s",
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainen root_set = p_new(quota_set->pool, struct quota_root_settings, 1);
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainen /* save root's name */
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainen root_set->name = p_strdup(quota_set->pool, args);
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainen root_set->args = p_strdup(quota_set->pool, args);
e5acc283bf030b0b5c79ca4e52d315c516a299faPascal Volk i_debug("Quota root: name=%s backend=%s args=%s",
e5acc283bf030b0b5c79ca4e52d315c516a299faPascal Volk root_set->name, backend_name, args == NULL ? "" : args);
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainen p_array_init(&root_set->rules, quota_set->pool, 4);
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainen p_array_init(&root_set->warning_rules, quota_set->pool, 4);
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainen array_append("a_set->root_sets, &root_set, 1);
4316355ca8b7698516272520a972291378698140Timo Sirainenquota_root_add(struct quota_settings *quota_set, struct mail_user *user,
4316355ca8b7698516272520a972291378698140Timo Sirainen const char *env, const char *root_name, const char **error_r)
4316355ca8b7698516272520a972291378698140Timo Sirainen if (quota_root_settings_init(quota_set, env, &root_set, error_r) < 0)
4316355ca8b7698516272520a972291378698140Timo Sirainen if (quota_root_add_rules(user, root_name, root_set, error_r) < 0)
4316355ca8b7698516272520a972291378698140Timo Sirainen if (quota_root_add_warning_rules(user, root_name, root_set, error_r) < 0)
4316355ca8b7698516272520a972291378698140Timo Sirainenint quota_user_read_settings(struct mail_user *user,
4316355ca8b7698516272520a972291378698140Timo Sirainen const char **error_r)
4316355ca8b7698516272520a972291378698140Timo Sirainen unsigned int i;
4316355ca8b7698516272520a972291378698140Timo Sirainen pool = pool_alloconly_create("quota settings", 2048);
4316355ca8b7698516272520a972291378698140Timo Sirainen quota_set = p_new(pool, struct quota_settings, 1);
4316355ca8b7698516272520a972291378698140Timo Sirainen quota_set->test_alloc = quota_default_test_alloc;
4316355ca8b7698516272520a972291378698140Timo Sirainen mail_user_plugin_getenv(user, "quota_exceeded_message");
4316355ca8b7698516272520a972291378698140Timo Sirainen quota_set->quota_exceeded_msg = DEFAULT_QUOTA_EXCEEDED_MSG;
e34d170f8f0e084bd94bfbc1a7085ece67e508dfTimo Sirainen if (i_strocpy(root_name, "quota", sizeof(root_name)) < 0)
4316355ca8b7698516272520a972291378698140Timo Sirainen for (i = 2;; i++) {
4316355ca8b7698516272520a972291378698140Timo Sirainen env = mail_user_plugin_getenv(user, root_name);
4316355ca8b7698516272520a972291378698140Timo Sirainen if (quota_root_add(quota_set, user, env, root_name,
4316355ca8b7698516272520a972291378698140Timo Sirainen *error_r = t_strdup_printf("Invalid quota root %s: %s",
e34d170f8f0e084bd94bfbc1a7085ece67e508dfTimo Sirainen if (i_snprintf(root_name, sizeof(root_name), "quota%d", i) < 0)
4316355ca8b7698516272520a972291378698140Timo Sirainen if (array_count("a_set->root_sets) == 0) {
4316355ca8b7698516272520a972291378698140Timo Sirainenvoid quota_settings_deinit(struct quota_settings **_quota_set)
4316355ca8b7698516272520a972291378698140Timo Sirainen struct quota_settings *quota_set = *_quota_set;
4316355ca8b7698516272520a972291378698140Timo Sirainenstatic void quota_root_deinit(struct quota_root *root)
4316355ca8b7698516272520a972291378698140Timo Sirainenquota_root_init(struct quota_root_settings *root_set, struct quota *quota,
4316355ca8b7698516272520a972291378698140Timo Sirainen struct quota_root **root_r, const char **error_r)
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainen const char *const *tmp;
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainen root->pool = pool_alloconly_create("quota root", 512);
b1678954f83e1059b981e2def52a70054fa71399Timo Sirainen root->bytes_limit = root_set->default_rule.bytes_limit;
b1678954f83e1059b981e2def52a70054fa71399Timo Sirainen root->count_limit = root_set->default_rule.count_limit;
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainen array_create(&root->quota_module_contexts, root->pool,
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainen sizeof(void *), 10);
4316355ca8b7698516272520a972291378698140Timo Sirainen if (root->backend.v.init(root, root_set->args) < 0) {
d19d3aa4eafa34b48b7d7d311c9db31e1898576aTimo Sirainen else if (strcmp(*tmp, "ignoreunlimited") == 0)
4316355ca8b7698516272520a972291378698140Timo Sirainen "Unknown parameter for backend %s: %s",
d19d3aa4eafa34b48b7d7d311c9db31e1898576aTimo Sirainen if (root_set->default_rule.bytes_limit == 0 &&
4316355ca8b7698516272520a972291378698140Timo Sirainenint quota_init(struct quota_settings *quota_set, struct mail_user *user,
82995cc154a929f37aa486a72a6485e9f8d34a30Timo Sirainen unsigned int i, count;
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainen root_sets = array_get("a_set->root_sets, &count);
82995cc154a929f37aa486a72a6485e9f8d34a30Timo Sirainen for (i = 0; i < count; i++) {
4316355ca8b7698516272520a972291378698140Timo Sirainen ret = quota_root_init(root_sets[i], quota, &root, &error);
4316355ca8b7698516272520a972291378698140Timo Sirainen *error_r = t_strdup_printf("Quota root %s: %s",
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainen unsigned int i, count;
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainen for (i = 0; i < count; i++)
6b43203878bd3c87f5ae690617a1cbc694e24c01Timo Sirainen /* deinit quota roots before setting quser->quota=NULL */
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainenquota_root_rule_find(struct quota_root_settings *root_set, const char *name)
e20e638805c4bd54e039891a3e92760b1dfa189aTimo Sirainen array_foreach_modifiable(&root_set->rules, rule) {
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainenquota_rule_parse_percentage(struct quota_root_settings *root_set,
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainen *error_r = p_strdup_printf(root_set->set->pool,
a449ed9df03e9f7e93d1ec278754416ac3ad9073Timo Sirainen "Invalid rule percentage: %lld", (long long)percentage);
a449ed9df03e9f7e93d1ec278754416ac3ad9073Timo Sirainen *error_r = "Default rule can't be a percentage";
3851ad9fcb25635f02b46d44586742ef1081876bTimo Sirainenquota_rule_recalculate_relative_rules(struct quota_rule *rule,
d761c26f2bbf514e0fc0c6ed9bc52627a4179eabTimo Sirainen rule->bytes_limit = bytes_limit * rule->bytes_percent / 100;
1e844899e67ba229d39647e53635f78b87c52f38Timo Sirainen rule->count_limit = count_limit * rule->count_percent / 100;
d761c26f2bbf514e0fc0c6ed9bc52627a4179eabTimo Sirainenvoid quota_root_recalculate_relative_rules(struct quota_root_settings *root_set,
e20e638805c4bd54e039891a3e92760b1dfa189aTimo Sirainen array_foreach_modifiable(&root_set->rules, rule) {
d761c26f2bbf514e0fc0c6ed9bc52627a4179eabTimo Sirainen quota_rule_recalculate_relative_rules(rule, bytes_limit,
e20e638805c4bd54e039891a3e92760b1dfa189aTimo Sirainen array_foreach_modifiable(&root_set->warning_rules, warning_rule) {
e20e638805c4bd54e039891a3e92760b1dfa189aTimo Sirainen quota_rule_recalculate_relative_rules(&warning_rule->rule,
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainenquota_rule_parse_limits(struct quota_root_settings *root_set,
4c4f6141f1eecc76c3242e37d0016f55c6c43cfdTimo Sirainen "obsolete configuration for rule '%s' "
4f2315ea4a94311340fc73cb563f61f02dbf29deTimo Sirainen "should be changed to '%s=+%s'",
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainen *error_r = p_strdup_printf(root_set->set->pool,
94e1adead9faddec88a623485b9999a87b1684faTimo Sirainen switch (i_toupper(*p)) {
94e1adead9faddec88a623485b9999a87b1684faTimo Sirainen /* default */
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainen if (quota_rule_parse_percentage(root_set, rule, limit,
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainen *error_r = p_strdup_printf(root_set->set->pool,
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainenint quota_root_add_rule(struct quota_root_settings *root_set,
94e1adead9faddec88a623485b9999a87b1684faTimo Sirainen const char *p, *mailbox_name;
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainen /* <mailbox name>:<quota limits> */
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainen rule = quota_root_rule_find(root_set, mailbox_name);
7ca2a9f1cca63cbc2ebffc185c7e5a2b32bc2780Timo Sirainen if (strcmp(mailbox_name, RULE_NAME_DEFAULT_NONFORCE) == 0)
7ca2a9f1cca63cbc2ebffc185c7e5a2b32bc2780Timo Sirainen else if (strcmp(mailbox_name, RULE_NAME_DEFAULT_FORCE) == 0) {
e5acc283bf030b0b5c79ca4e52d315c516a299faPascal Volk i_debug("Quota rule: root=%s mailbox=%s ignored",
4316355ca8b7698516272520a972291378698140Timo Sirainen if (root_set->backend->v.parse_rule == NULL) {
4316355ca8b7698516272520a972291378698140Timo Sirainen } else if (!root_set->backend->v.parse_rule(root_set, rule,
4f2315ea4a94311340fc73cb563f61f02dbf29deTimo Sirainen bool relative_rule = rule != &root_set->default_rule;
5183f82691b9c6e5707d93fe57336cd89462d574Timo Sirainen if (quota_rule_parse_limits(root_set, rule, p, rule_def,
d761c26f2bbf514e0fc0c6ed9bc52627a4179eabTimo Sirainen quota_root_recalculate_relative_rules(root_set,
de2e4c8fd028e8318e77e7f9afedaf2dc06fff33Timo Sirainen "bytes=%s%lld%s messages=%s%lld%s",
e5acc283bf030b0b5c79ca4e52d315c516a299faPascal Volk t_strdup_printf(" (%u%%)", rule->bytes_percent),
e5acc283bf030b0b5c79ca4e52d315c516a299faPascal Volk t_strdup_printf(" (%u%%)", rule->count_percent));
cb931f84e3ec8e3deda253a1c0ae0409023de096Timo Sirainenstatic int quota_root_get_rule_limits(struct quota_root *root,
426e50e7647009bb22db67d9012043f0a59e7452Timo Sirainen /* if default rule limits are 0, user has unlimited quota.
426e50e7647009bb22db67d9012043f0a59e7452Timo Sirainen ignore any specific quota rules */
426e50e7647009bb22db67d9012043f0a59e7452Timo Sirainen enabled = bytes_limit != 0 || count_limit != 0;
b089505afb8b5c5dfb43ef88af0ea7e0920db587Timo Sirainen (void)mail_namespace_find_unalias(root->quota->user->namespaces,
426e50e7647009bb22db67d9012043f0a59e7452Timo Sirainen rule = enabled ? quota_root_rule_find(root->set, mailbox_name) : NULL;
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainen *bytes_limit_r = bytes_limit <= 0 ? 0 : bytes_limit;
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainen *count_limit_r = count_limit <= 0 ? 0 : count_limit;
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainenvoid quota_add_user_namespace(struct quota *quota, struct mail_namespace *ns)
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainen unsigned int i, j, count;
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen /* first check if there already exists a namespace with the exact same
de5c7c99783cd86f3bdbc057345cbee923b51a20Timo Sirainen path. we don't want to count them twice. */
a10ed8c47534b4c6b6bf2711ccfe577e720a47b4Timo Sirainen path = mailbox_list_get_root_path(ns->list, MAILBOX_LIST_PATH_TYPE_MAILBOX);
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen namespaces = array_get("a->namespaces, &count);
de5c7c99783cd86f3bdbc057345cbee923b51a20Timo Sirainen for (i = 0; i < count; i++) {
a10ed8c47534b4c6b6bf2711ccfe577e720a47b4Timo Sirainen path2 = mailbox_list_get_root_path(namespaces[i]->list,
0d5689dfa8efb1d92258f44a3a60e2bef06a3a68Timo Sirainen if (path2 != NULL && strcmp(path, path2) == 0) {
de5c7c99783cd86f3bdbc057345cbee923b51a20Timo Sirainen /* duplicate */
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainen /* @UNSAFE: get different backends into one array */
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainen backends = t_new(struct quota_backend *, count + 1);
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainen for (i = 0; i < count; i++) {
3fe44a0df5a0bdd80c495f79cbf0e384441d6fccTimo Sirainen if (backends[j]->name == roots[i]->backend.name)
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainenvoid quota_remove_user_namespace(struct mail_namespace *ns)
82995cc154a929f37aa486a72a6485e9f8d34a30Timo Sirainen unsigned int i, count;
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen /* no quota for this namespace */
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen namespaces = array_get("a->namespaces, &count);
82995cc154a929f37aa486a72a6485e9f8d34a30Timo Sirainen for (i = 0; i < count; i++) {
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainenint quota_root_add_warning_rule(struct quota_root_settings *root_set,
ad4f1b0666975c57dd2d8d3492b223ec814791cdTimo Sirainen const char *p, *q;
ad4f1b0666975c57dd2d8d3492b223ec814791cdTimo Sirainen /* warn when exceeding quota */
ad4f1b0666975c57dd2d8d3492b223ec814791cdTimo Sirainen /* warn when going below quota */
ad4f1b0666975c57dd2d8d3492b223ec814791cdTimo Sirainen /* default: same as '+' */
ad4f1b0666975c57dd2d8d3492b223ec814791cdTimo Sirainen ret = quota_rule_parse_limits(root_set, &rule, t_strdup_until(q, p),
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainen warning = array_append_space(&root_set->warning_rules);
8ba29b2d23453ee632efc721f3bf2e2433896296Timo Sirainen warning->command = p_strdup(root_set->set->pool, p+1);
d761c26f2bbf514e0fc0c6ed9bc52627a4179eabTimo Sirainen quota_root_recalculate_relative_rules(root_set,
ad4f1b0666975c57dd2d8d3492b223ec814791cdTimo Sirainen "messages=%llu%s reverse=%s command=%s",
e5acc283bf030b0b5c79ca4e52d315c516a299faPascal Volk t_strdup_printf(" (%u%%)", warning->rule.bytes_percent),
e5acc283bf030b0b5c79ca4e52d315c516a299faPascal Volk t_strdup_printf(" (%u%%)", warning->rule.count_percent),
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen quota_get_mail_user_quota(box->list->ns->owner) :
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen quota_get_mail_user_quota(box->list->ns->user);
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainenbool quota_root_is_namespace_visible(struct quota_root *root,
40c24f8fe31037b61f2ac594a6dfcd123080b4b5Timo Sirainen /* this check works as long as there is only one storage per list */
c0a87e5f3316a57e6f915882fa1951d0fbb74a61Timo Sirainen if (mailbox_list_get_storage(&list, "", &storage) == 0 &&
40c24f8fe31037b61f2ac594a6dfcd123080b4b5Timo Sirainen (storage->class_flags & MAIL_STORAGE_CLASS_FLAG_NOQUOTA) != 0)
6d6bbe8787354bbb69d0c03187adfe0f497d70b8Timo Sirainenquota_root_is_visible(struct quota_root *root, struct mailbox *box,
6d6bbe8787354bbb69d0c03187adfe0f497d70b8Timo Sirainen /* we don't want to include this root in quota enforcing */
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen if (!quota_root_is_namespace_visible(root, box->list->ns))
6d6bbe8787354bbb69d0c03187adfe0f497d70b8Timo Sirainen /* a single quota root: don't bother checking further */
6d6bbe8787354bbb69d0c03187adfe0f497d70b8Timo Sirainen return root->backend.v.match_box == NULL ? TRUE :
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainenstruct quota_root *quota_root_iter_next(struct quota_root_iter *iter)
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainen struct quota_root *const *roots, *root = NULL;
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainen unsigned int count;
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainen roots = array_get(&iter->quota->roots, &count);
6d6bbe8787354bbb69d0c03187adfe0f497d70b8Timo Sirainen if (!quota_root_is_visible(roots[iter->i], iter->box, FALSE))
bd7b1a9000b12349e2a99bb43b3ce8b96a18e92bTimo Sirainenvoid quota_root_iter_deinit(struct quota_root_iter **_iter)
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainenstruct quota_root *quota_root_lookup(struct mail_user *user, const char *name)
82995cc154a929f37aa486a72a6485e9f8d34a30Timo Sirainen unsigned int i, count;
82995cc154a929f37aa486a72a6485e9f8d34a30Timo Sirainen for (i = 0; i < count; i++) {
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainenconst char *quota_root_get_name(struct quota_root *root)
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainenconst char *const *quota_root_get_resources(struct quota_root *root)
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainenint quota_get_resource(struct quota_root *root, const char *mailbox_name,
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainen const char *name, uint64_t *value_r, uint64_t *limit_r)
e392fcb39a06609af20a9e79017683f194de3ddeTimo Sirainen if (strcmp(name, QUOTA_NAME_STORAGE_KILOBYTES) == 0) {
3851ad9fcb25635f02b46d44586742ef1081876bTimo Sirainen /* Get the value first. This call may also update quota limits if
3851ad9fcb25635f02b46d44586742ef1081876bTimo Sirainen they're defined externally. */
3851ad9fcb25635f02b46d44586742ef1081876bTimo Sirainen ret = root->backend.v.get_resource(root, name, value_r);
cb931f84e3ec8e3deda253a1c0ae0409023de096Timo Sirainen if (quota_root_get_rule_limits(root, mailbox_name,
e392fcb39a06609af20a9e79017683f194de3ddeTimo Sirainen if (strcmp(name, QUOTA_NAME_STORAGE_BYTES) == 0)
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainen else if (strcmp(name, QUOTA_NAME_MESSAGES) == 0)
43d32cbe60fdaef2699d99f1ca259053e9350411Timo Sirainenint quota_set_resource(struct quota_root *root ATTR_UNUSED,
43d32cbe60fdaef2699d99f1ca259053e9350411Timo Sirainen uint64_t value ATTR_UNUSED, const char **error_r)
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainen /* the quota information comes from userdb (or even config file),
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainen so there's really no way to support this until some major changes
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainenstruct quota_transaction_context *quota_transaction_begin(struct mailbox *box)
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainen ctx = i_new(struct quota_transaction_context, 1);
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen quota_get_mail_user_quota(box->list->ns->owner) :
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen quota_get_mail_user_quota(box->list->ns->user);
97daba82224dd757b7b7526ab3fd5d574a5f35d8Timo Sirainen /* ignore quota for admins */
b2e181e33889f0a4a3ba9dc23d676cbfe1bf7782Timo Sirainenstatic int quota_transaction_set_limits(struct quota_transaction_context *ctx)
b2e181e33889f0a4a3ba9dc23d676cbfe1bf7782Timo Sirainen unsigned int i, count;
269370f66e320a071700e33d9f2584eb46d96a90Timo Sirainen uint64_t bytes_limit, count_limit, current, limit, diff;
b2e181e33889f0a4a3ba9dc23d676cbfe1bf7782Timo Sirainen /* find the lowest quota limits from all roots and use them */
b2e181e33889f0a4a3ba9dc23d676cbfe1bf7782Timo Sirainen roots = array_get(&ctx->quota->roots, &count);
b2e181e33889f0a4a3ba9dc23d676cbfe1bf7782Timo Sirainen for (i = 0; i < count; i++) {
6d6bbe8787354bbb69d0c03187adfe0f497d70b8Timo Sirainen if (!quota_root_is_visible(roots[i], ctx->box, TRUE))
cb931f84e3ec8e3deda253a1c0ae0409023de096Timo Sirainen if (quota_root_get_rule_limits(roots[i], mailbox_name,
7db5ff0dd17c40711bfaa0375aa5cc7f822a82f2Timo Sirainen ret = quota_get_resource(roots[i], mailbox_name,
7db5ff0dd17c40711bfaa0375aa5cc7f822a82f2Timo Sirainen } else if (ret < 0) {
7db5ff0dd17c40711bfaa0375aa5cc7f822a82f2Timo Sirainen ret = quota_get_resource(roots[i], mailbox_name,
7db5ff0dd17c40711bfaa0375aa5cc7f822a82f2Timo Sirainen } else if (ret < 0) {
b40d1ef77181fda648e2ba22188c91a124f5bee6Timo Sirainenstatic void quota_warning_execute(struct quota_root *root, const char *cmd)
76a99afe0914951d20d96e0bf5e6d8d3ea3fd503Timo Sirainen socket_path = t_strconcat(root->quota->user->set->base_dir, "/",
76a99afe0914951d20d96e0bf5e6d8d3ea3fd503Timo Sirainen if ((fd = net_connect_unix_with_retries(socket_path, 1000)) < 0) {
596ec384269cad3b0f0661df89b9cf33cbd171b7Timo Sirainen i_error("quota: net_connect_unix(%s) failed: %m",
2d3731908f924bc8a2b7887a712cc033e618c998Timo Sirainen str_append(str, "VERSION\tscript\t3\t0\nnoreply\n");
76a99afe0914951d20d96e0bf5e6d8d3ea3fd503Timo Sirainen if (write_full(fd, str_data(str), str_len(str)) < 0)
ad4f1b0666975c57dd2d8d3492b223ec814791cdTimo Sirainenquota_warning_match(const struct quota_warning_rule *w,
ad4f1b0666975c57dd2d8d3492b223ec814791cdTimo Sirainen uint64_t bytes_before, uint64_t bytes_current,
ad4f1b0666975c57dd2d8d3492b223ec814791cdTimo Sirainen uint64_t count_before, uint64_t count_current)
ad4f1b0666975c57dd2d8d3492b223ec814791cdTimo Sirainen#define QUOTA_EXCEEDED(before, current, limit) \
ad4f1b0666975c57dd2d8d3492b223ec814791cdTimo Sirainen ((before) < (uint64_t)(limit) && (current) >= (uint64_t)(limit))
ad4f1b0666975c57dd2d8d3492b223ec814791cdTimo Sirainen /* over quota (default) */
ad4f1b0666975c57dd2d8d3492b223ec814791cdTimo Sirainen return QUOTA_EXCEEDED(bytes_before, bytes_current, w->rule.bytes_limit) ||
ad4f1b0666975c57dd2d8d3492b223ec814791cdTimo Sirainen QUOTA_EXCEEDED(count_before, count_current, w->rule.count_limit);
ad4f1b0666975c57dd2d8d3492b223ec814791cdTimo Sirainen return QUOTA_EXCEEDED(bytes_current, bytes_before, w->rule.bytes_limit) ||
ad4f1b0666975c57dd2d8d3492b223ec814791cdTimo Sirainen QUOTA_EXCEEDED(count_current, count_before, w->rule.count_limit);
20dd6f6726db692904794d7daafe5b6e7238b720Timo Sirainenstatic void quota_warnings_execute(struct quota_transaction_context *ctx,
503e5ef896c7b4a51cf73efb0d132860a8c747e6Timo Sirainen unsigned int i, count;
20dd6f6726db692904794d7daafe5b6e7238b720Timo Sirainen uint64_t bytes_current, bytes_before, bytes_limit;
20dd6f6726db692904794d7daafe5b6e7238b720Timo Sirainen uint64_t count_current, count_before, count_limit;
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainen warnings = array_get_modifiable(&root->set->warning_rules, &count);
503e5ef896c7b4a51cf73efb0d132860a8c747e6Timo Sirainen if (quota_get_resource(root, "", QUOTA_NAME_STORAGE_BYTES,
503e5ef896c7b4a51cf73efb0d132860a8c747e6Timo Sirainen if (quota_get_resource(root, "", QUOTA_NAME_MESSAGES,
20dd6f6726db692904794d7daafe5b6e7238b720Timo Sirainen bytes_before = bytes_current - ctx->bytes_used;
20dd6f6726db692904794d7daafe5b6e7238b720Timo Sirainen count_before = count_current - ctx->count_used;
503e5ef896c7b4a51cf73efb0d132860a8c747e6Timo Sirainen for (i = 0; i < count; i++) {
b40d1ef77181fda648e2ba22188c91a124f5bee6Timo Sirainen quota_warning_execute(root, warnings[i].command);
503e5ef896c7b4a51cf73efb0d132860a8c747e6Timo Sirainenint quota_transaction_commit(struct quota_transaction_context **_ctx)
503e5ef896c7b4a51cf73efb0d132860a8c747e6Timo Sirainen struct quota_transaction_context *ctx = *_ctx;
503e5ef896c7b4a51cf73efb0d132860a8c747e6Timo Sirainen unsigned int i, count;
503e5ef896c7b4a51cf73efb0d132860a8c747e6Timo Sirainen else if (ctx->bytes_used != 0 || ctx->count_used != 0 ||
968aab2a00d1b53a53854fc2e97d1c632171a54eTimo Sirainen ARRAY_DEFINE(warn_roots, struct quota_root *);
b089505afb8b5c5dfb43ef88af0ea7e0920db587Timo Sirainen ctx->box->storage->user->namespaces, &mailbox_name);
503e5ef896c7b4a51cf73efb0d132860a8c747e6Timo Sirainen roots = array_get(&ctx->quota->roots, &count);
503e5ef896c7b4a51cf73efb0d132860a8c747e6Timo Sirainen for (i = 0; i < count; i++) {
89adb28d8f041e8c0b9c5156f089bb2f8f478ee3Timo Sirainen if (!quota_root_is_visible(roots[i], ctx->box, FALSE))
2b682d8d3661800f16aceaa45fa4de9b6b140a59Timo Sirainen /* mailbox not included in quota */
503e5ef896c7b4a51cf73efb0d132860a8c747e6Timo Sirainen if (roots[i]->backend.v.update(roots[i], ctx) < 0)
d8548e14925a06e44c4f1983d7b118b0180939e0Timo Sirainen /* execute quota warnings after all updates. this makes it
d8548e14925a06e44c4f1983d7b118b0180939e0Timo Sirainen work correctly regardless of whether backend.get_resource()
d8548e14925a06e44c4f1983d7b118b0180939e0Timo Sirainen returns updated values before backend.update() or not */
503e5ef896c7b4a51cf73efb0d132860a8c747e6Timo Sirainenvoid quota_transaction_rollback(struct quota_transaction_context **_ctx)
503e5ef896c7b4a51cf73efb0d132860a8c747e6Timo Sirainen struct quota_transaction_context *ctx = *_ctx;
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainenint quota_try_alloc(struct quota_transaction_context *ctx,
83bb013a99f0936995f9c7a1077822662d8fefdbTimo Sirainen ret = quota_test_alloc(ctx, size, too_large_r);
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainenint quota_test_alloc(struct quota_transaction_context *ctx,
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainen return ctx->quota->set->test_alloc(ctx, size, too_large_r);
3fe44a0df5a0bdd80c495f79cbf0e384441d6fccTimo Sirainenstatic int quota_default_test_alloc(struct quota_transaction_context *ctx,
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainen unsigned int i, count;
723c3049be35a0e1019f9a84d69cb96924ee5064Timo Sirainen (uint64_t)ctx->count_used + 1 <= ctx->count_ceil) &&
723c3049be35a0e1019f9a84d69cb96924ee5064Timo Sirainen ((ctx->bytes_used < 0 && size <= ctx->bytes_ceil) ||
723c3049be35a0e1019f9a84d69cb96924ee5064Timo Sirainen (uint64_t)ctx->bytes_used + size <= ctx->bytes_ceil))
30ad2b0309119501efad06c72ec9b1561b90d4afTimo Sirainen /* limit reached. only thing left to do now is to set too_large_r. */
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainen roots = array_get(&ctx->quota->roots, &count);
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainen for (i = 0; i < count; i++) {
6d6bbe8787354bbb69d0c03187adfe0f497d70b8Timo Sirainen if (!quota_root_is_visible(roots[i], ctx->box, TRUE))
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainen /* if size is bigger than any limit, then
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainen it is bigger than the lowest limit */
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainenvoid quota_alloc(struct quota_transaction_context *ctx, struct mail *mail)
3ccfcf0856958cb9208a9fc51c3bdf13c58ad52aTimo Sirainenvoid quota_free(struct quota_transaction_context *ctx, struct mail *mail)
bd7b1a9000b12349e2a99bb43b3ce8b96a18e92bTimo Sirainenvoid quota_free_bytes(struct quota_transaction_context *ctx,