src/lib-imap-storage/imap-metadata.c

bcb4e51a409d94ae670de96afb8483a4f7855294Stephan Bosch/* Copyright (c) 2013-2018 Dovecot authors, see the included COPYING file */
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch#include "lib.h"
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch#include "mail-storage.h"
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch#include "imap-metadata.h"
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschstruct imap_metadata_transaction {
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    struct mailbox *box;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    struct mailbox_transaction_context *trans;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    enum mail_error error;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    char *error_string;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
0dffa25d211be541ee3c953b23566a1a990789dfTimo Sirainen    bool server:1;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch};
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschbool imap_metadata_verify_entry_name(const char *name, const char **error_r)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch{
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    unsigned int i;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    bool ok;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    if (name[0] != '/') {
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        *error_r = "Entry name must begin with '/'";
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        return FALSE;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    }
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    for (i = 0; name[i] != '\0'; i++) {
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        switch (name[i]) {
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        case '/':
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch            if (i > 0 && name[i-1] == '/') {
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch                *error_r = "Entry name can't contain consecutive '/'";
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch                return FALSE;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch            }
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch            if (name[i+1] == '\0') {
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch                *error_r = "Entry name can't end with '/'";
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch                return FALSE;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch            }
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch            break;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        case '*':
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch            *error_r = "Entry name can't contain '*'";
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch            return FALSE;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        case '%':
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch            *error_r = "Entry name can't contain '%'";
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch            return FALSE;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        default:
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch            if (name[i] <= 0x19) {
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch                *error_r = "Entry name can't contain control chars";
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch                return FALSE;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch            }
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch            break;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        }
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    }
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    T_BEGIN {
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        const char *prefix, *p = strchr(name+1, '/');
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        prefix = p == NULL ? name : t_strdup_until(name, p);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        ok = strcasecmp(prefix, IMAP_METADATA_PRIVATE_PREFIX) == 0 ||
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch            strcasecmp(prefix, IMAP_METADATA_SHARED_PREFIX) == 0;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    } T_END;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    if (!ok) {
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        *error_r = "Entry name must begin with /private or /shared";
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        return FALSE;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    }
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    return TRUE;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch}
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschstatic void
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschimap_metadata_transaction_set_error(struct imap_metadata_transaction *imtrans,
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch                    enum mail_error error, const char *string)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch{
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    i_free(imtrans->error_string);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    imtrans->error_string = i_strdup(string);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    imtrans->error = error;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch}
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschstatic bool
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschimap_metadata_entry2key(struct imap_metadata_transaction *imtrans,
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch            const char *entry, enum mail_attribute_type *type_r,
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch            const char **key_r)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch{
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    const char *key_prefix = (imtrans->server ?
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        MAILBOX_ATTRIBUTE_PREFIX_DOVECOT_PVT_SERVER : NULL);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    /* names are case-insensitive so we'll always lowercase them */
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    entry = t_str_lcase(entry);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    if (strncmp(entry, IMAP_METADATA_PRIVATE_PREFIX,
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch            strlen(IMAP_METADATA_PRIVATE_PREFIX)) == 0) {
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        *key_r = entry + strlen(IMAP_METADATA_PRIVATE_PREFIX);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        *type_r = MAIL_ATTRIBUTE_TYPE_PRIVATE;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    } else {
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        i_assert(strncmp(entry, IMAP_METADATA_SHARED_PREFIX,
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch                 strlen(IMAP_METADATA_SHARED_PREFIX)) == 0);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        *key_r = entry + strlen(IMAP_METADATA_SHARED_PREFIX);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        *type_r = MAIL_ATTRIBUTE_TYPE_SHARED;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    }
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    if ((*key_r)[0] == '\0') {
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        /* /private or /shared prefix has no value itself */
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    } else {
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        i_assert((*key_r)[0] == '/');
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        *key_r += 1;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    }
c07fb2247951f6bc9421d816bb7599efcd84da2eTimo Sirainen    if (strncmp(*key_r, MAILBOX_ATTRIBUTE_PREFIX_DOVECOT_PVT,
c07fb2247951f6bc9421d816bb7599efcd84da2eTimo Sirainen            strlen(MAILBOX_ATTRIBUTE_PREFIX_DOVECOT_PVT)) == 0) {
c07fb2247951f6bc9421d816bb7599efcd84da2eTimo Sirainen        /* Dovecot's internal attribute (mailbox or server).
c07fb2247951f6bc9421d816bb7599efcd84da2eTimo Sirainen           don't allow accessing this. */
c07fb2247951f6bc9421d816bb7599efcd84da2eTimo Sirainen        return FALSE;
c07fb2247951f6bc9421d816bb7599efcd84da2eTimo Sirainen    }
c07fb2247951f6bc9421d816bb7599efcd84da2eTimo Sirainen    /* Add the server-prefix (after checking for the above internal
c07fb2247951f6bc9421d816bb7599efcd84da2eTimo Sirainen       attribute). */
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    if (key_prefix != NULL)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        *key_r = t_strconcat(key_prefix, *key_r, NULL);
c07fb2247951f6bc9421d816bb7599efcd84da2eTimo Sirainen    return TRUE;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch}
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschstatic int
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschimap_metadata_get_mailbox_transaction(struct imap_metadata_transaction *imtrans)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch{
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    if (imtrans->trans != NULL)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        return 0;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    if (imtrans->box == NULL || mailbox_open(imtrans->box) < 0)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        return -1;
0dab9cb35a976c49b28a11e28d5570f5191f1a7aMartti Rannanjärvi    imtrans->trans = mailbox_transaction_begin(imtrans->box,
0dab9cb35a976c49b28a11e28d5570f5191f1a7aMartti Rannanjärvi            MAILBOX_TRANSACTION_FLAG_EXTERNAL, __func__);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    return 0;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch}
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschint imap_metadata_set(struct imap_metadata_transaction *imtrans,
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    const char *entry, const struct mail_attribute_value *value)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch{
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    enum mail_attribute_type type;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    const char *key;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    if (!imap_metadata_entry2key(imtrans, entry, &type, &key)) {
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        imap_metadata_transaction_set_error(imtrans, MAIL_ERROR_PARAMS,
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch            "Internal mailbox attributes cannot be accessed");
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        return -1;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    }
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    if (imap_metadata_get_mailbox_transaction(imtrans) < 0)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        return -1;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    return (value->value == NULL ?
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        mailbox_attribute_unset(imtrans->trans, type, key) :
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        mailbox_attribute_set(imtrans->trans, type, key, value));
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch}
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschint imap_metadata_unset(struct imap_metadata_transaction *imtrans,
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch            const char *entry)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch{
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    struct mail_attribute_value value;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
efe78d3ba24fc866af1c79b9223dc0809ba26cadStephan Bosch    i_zero(&value);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    return imap_metadata_set(imtrans, entry, &value);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch}
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschint imap_metadata_get(struct imap_metadata_transaction *imtrans,
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch              const char *entry, struct mail_attribute_value *value_r)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch{
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    enum mail_attribute_type type;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    const char *key;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
efe78d3ba24fc866af1c79b9223dc0809ba26cadStephan Bosch    i_zero(value_r);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    if (!imap_metadata_entry2key(imtrans, entry, &type, &key))
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        return 0;
66c87722e0fd2a85cd59797326bad3d1c409dc3aAki Tuomi    return mailbox_attribute_get(imtrans->box, type, key, value_r);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch}
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschint imap_metadata_get_stream(struct imap_metadata_transaction *imtrans,
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch              const char *entry, struct mail_attribute_value *value_r)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch{
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    enum mail_attribute_type type;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    const char *key;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
efe78d3ba24fc866af1c79b9223dc0809ba26cadStephan Bosch    i_zero(value_r);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    if (!imap_metadata_entry2key(imtrans, entry, &type, &key))
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        return 0;
66c87722e0fd2a85cd59797326bad3d1c409dc3aAki Tuomi    return mailbox_attribute_get_stream(imtrans->box, type, key, value_r);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch}
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschstruct imap_metadata_iter {
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    struct mailbox_attribute_iter *iter;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch};
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschstruct imap_metadata_iter *
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschimap_metadata_iter_init(struct imap_metadata_transaction *imtrans,
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch            const char *entry)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch{
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    struct imap_metadata_iter *iter;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    enum mail_attribute_type type;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    const char *key;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    iter = i_new(struct imap_metadata_iter, 1);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    if (imap_metadata_entry2key(imtrans, entry, &type, &key)) {
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        const char *prefix =
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch            key[0] == '\0' ? "" : t_strconcat(key, "/", NULL);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        iter->iter = mailbox_attribute_iter_init(imtrans->box, type,
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch                             prefix);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    }
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    return iter;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch}
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschconst char *imap_metadata_iter_next(struct imap_metadata_iter *iter)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch{
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    if (iter->iter == NULL)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        return NULL;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    return mailbox_attribute_iter_next(iter->iter);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch}
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschint imap_metadata_iter_deinit(struct imap_metadata_iter **_iter)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch{
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    struct imap_metadata_iter *iter = *_iter;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    int ret;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    *_iter = NULL;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    if (iter->iter == NULL)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        ret = 0;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    else
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        ret = mailbox_attribute_iter_deinit(&iter->iter);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    i_free(iter);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    return ret;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch}
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschstruct imap_metadata_transaction *
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschimap_metadata_transaction_begin(struct mailbox *box)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch{
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    struct imap_metadata_transaction *imtrans;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    imtrans = i_new(struct imap_metadata_transaction, 1);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    imtrans->box = box;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    return imtrans;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch}
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschstruct imap_metadata_transaction *
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschimap_metadata_transaction_begin_server(struct mail_user *user)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch{
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    struct mail_namespace *ns;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    struct mailbox *box;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    struct imap_metadata_transaction *imtrans;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    ns = mail_namespace_find_inbox(user->namespaces);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    box = mailbox_alloc(ns->list, "INBOX", 0);
61cf001f1944d92eb25f113ba4c08985d6e30d53Timo Sirainen    mailbox_set_reason(box, "Server METADATA");
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    imtrans = imap_metadata_transaction_begin(box);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    imtrans->server = TRUE;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    return imtrans;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch}
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschstatic void
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschimap_metadata_transaction_finish(struct imap_metadata_transaction **_imtrans)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch{
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    struct imap_metadata_transaction *imtrans = *_imtrans;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    if (imtrans->server)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        mailbox_free(&imtrans->box);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    i_free(imtrans->error_string);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    i_free(imtrans);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    *_imtrans = NULL;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch}
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschint imap_metadata_transaction_commit(
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    struct imap_metadata_transaction **_imtrans,
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    enum mail_error *error_code_r, const char **error_r)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch{
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    struct imap_metadata_transaction *imtrans = *_imtrans;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    int ret = 0;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    if (imtrans->trans != NULL) {
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        const char *error = NULL;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        ret = mailbox_transaction_commit(&imtrans->trans);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        if (ret < 0)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch            error = mailbox_get_last_error(imtrans->box, error_code_r);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        if (error_r != NULL)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch            *error_r = error;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    }
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    imap_metadata_transaction_finish(_imtrans);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    return ret;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch}
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschvoid imap_metadata_transaction_rollback(
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    struct imap_metadata_transaction **_imtrans)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch{
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    struct imap_metadata_transaction *imtrans = *_imtrans;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    if (imtrans->trans != NULL)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        mailbox_transaction_rollback(&imtrans->trans);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    imap_metadata_transaction_finish(_imtrans);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch}
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschconst char *
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Boschimap_metadata_transaction_get_last_error(
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    struct imap_metadata_transaction *imtrans,
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    enum mail_error *error_code_r)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch{
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    if  (imtrans->error != MAIL_ERROR_NONE) {
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        if (error_code_r != NULL)
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch            *error_code_r = imtrans->error;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch        return imtrans->error_string;
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    }
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    i_assert(imtrans->box != NULL);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch    return mailbox_get_last_error(imtrans->box, error_code_r);
8ccdf195768afdfbc32088d7be77dfca7dddd829Stephan Bosch}