src/lib-storage/fail-mail.c

/* Copyright (c) 2009-2018 Dovecot authors, see the included COPYING file */

#include "lib.h"
#include "array.h"
#include "mail-storage-private.h"
#include "fail-mail-storage.h"

struct mail *
fail_mailbox_mail_alloc(struct mailbox_transaction_context *t,
            enum mail_fetch_field wanted_fields ATTR_UNUSED,
            struct mailbox_header_lookup_ctx *wanted_headers ATTR_UNUSED)
{
    struct mail_private *mail;
    pool_t pool;

    pool = pool_alloconly_create("fail mail", 1024);
    mail = p_new(pool, struct mail_private, 1);
    mail->mail.box = t->box;
    mail->mail.transaction = t;
    mail->v = fail_mail_vfuncs;
    mail->pool = pool;
    p_array_init(&mail->module_contexts, pool, 5);
    return &mail->mail;
}

static void fail_mail_free(struct mail *mail)
{
    struct mail_private *pmail = (struct mail_private *)mail;

    pool_unref(&pmail->pool);
}

static void fail_mail_set_seq(struct mail *mail, uint32_t seq, bool saving)
{
    mail->seq = seq;
    mail->uid = seq;
    mail->saving = saving;

    mail->expunged = TRUE;
    mail->has_nuls = FALSE;
    mail->has_no_nuls = FALSE;
}

static bool fail_mail_set_uid(struct mail *mail, uint32_t uid)
{
    fail_mail_set_seq(mail, uid, FALSE);
    return TRUE;
}

static void fail_mail_set_uid_cache_updates(struct mail *mail ATTR_UNUSED,
                        bool set ATTR_UNUSED)
{
}

static bool fail_mail_prefetch(struct mail *mail ATTR_UNUSED)
{
    return TRUE;
}

static void fail_mail_precache(struct mail *mail ATTR_UNUSED)
{
}

static void
fail_mail_add_temp_wanted_fields(struct mail *mail ATTR_UNUSED,
                 enum mail_fetch_field fields ATTR_UNUSED,
                 struct mailbox_header_lookup_ctx *headers ATTR_UNUSED)
{
}

static enum mail_flags fail_mail_get_flags(struct mail *mail ATTR_UNUSED)
{
    return 0;
}

static const char *const *
fail_mail_get_keywords(struct mail *mail ATTR_UNUSED)
{
    return t_new(const char *, 1);
}

static const ARRAY_TYPE(keyword_indexes) *
fail_mail_get_keyword_indexes(struct mail *mail ATTR_UNUSED)
{
    ARRAY_TYPE(keyword_indexes) *kw_indexes;

    kw_indexes = t_new(ARRAY_TYPE(keyword_indexes), 1);
    t_array_init(kw_indexes, 1);
    array_append_zero(kw_indexes);
    return kw_indexes;
}

static uint64_t fail_mail_get_modseq(struct mail *mail ATTR_UNUSED)
{
    return 0;
}

static int
fail_mail_get_parts(struct mail *mail ATTR_UNUSED,
            struct message_part **parts_r ATTR_UNUSED)
{
    return -1;
}

static int
fail_mail_get_date(struct mail *mail ATTR_UNUSED,
           time_t *date_r ATTR_UNUSED, int *timezone_r ATTR_UNUSED)
{
    return -1;
}

static int
fail_mail_get_received_date(struct mail *mail ATTR_UNUSED,
                time_t *date_r ATTR_UNUSED)
{
    return -1;
}

static int
fail_mail_get_save_date(struct mail *mail ATTR_UNUSED,
            time_t *date_r ATTR_UNUSED)
{
    return -1;
}

static int
fail_mail_get_fail_mail_size(struct mail *mail ATTR_UNUSED,
                 uoff_t *size_r ATTR_UNUSED)
{
    return -1;
}

static int
fail_mail_get_physical_size(struct mail *mail ATTR_UNUSED,
                uoff_t *size_r ATTR_UNUSED)
{
    return -1;
}

static int
fail_mail_get_first_header(struct mail *mail ATTR_UNUSED,
               const char *field ATTR_UNUSED,
               bool decode_to_utf8 ATTR_UNUSED,
               const char **value_r)
{
    *value_r = NULL;
    return 0;
}

static int
fail_mail_get_headers(struct mail *mail ATTR_UNUSED,
              const char *field ATTR_UNUSED,
              bool decode_to_utf8 ATTR_UNUSED,
              const char *const **value_r)
{
    *value_r = NULL;
    return 0;
}

static int
fail_mail_get_header_stream(struct mail *mail ATTR_UNUSED,
                struct mailbox_header_lookup_ctx *headers ATTR_UNUSED,
                struct istream **stream_r ATTR_UNUSED)
{
    return -1;
}

static int
fail_mail_get_stream(struct mail *mail ATTR_UNUSED, bool get_body ATTR_UNUSED,
             struct message_size *hdr_size ATTR_UNUSED,
             struct message_size *body_size ATTR_UNUSED,
             struct istream **stream_r ATTR_UNUSED)
{
    return -1;
}

static int
fail_mail_get_binary_stream(struct mail *_mail ATTR_UNUSED,
                const struct message_part *part ATTR_UNUSED,
                bool include_hdr ATTR_UNUSED,
                uoff_t *size_r ATTR_UNUSED,
                unsigned int *body_lines_r ATTR_UNUSED,
                bool *binary_r ATTR_UNUSED,
                struct istream **stream_r ATTR_UNUSED)
{
    return -1;
}

static int
fail_mail_get_special(struct mail *mail ATTR_UNUSED,
              enum mail_fetch_field field ATTR_UNUSED,
              const char **value_r ATTR_UNUSED)
{
    return -1;
}

static int fail_mail_get_backend_mail(struct mail *mail,
                      struct mail **real_mail_r)
{
    *real_mail_r = mail;
    return 0;
}

static void
fail_mail_update_flags(struct mail *mail ATTR_UNUSED,
               enum modify_type modify_type ATTR_UNUSED,
               enum mail_flags flags ATTR_UNUSED)
{
}

static void
fail_mail_update_keywords(struct mail *mail ATTR_UNUSED,
              enum modify_type modify_type ATTR_UNUSED,
              struct mail_keywords *keywords ATTR_UNUSED)
{
}

static void fail_mail_update_modseq(struct mail *mail ATTR_UNUSED,
                    uint64_t min_modseq ATTR_UNUSED)
{
}

static void fail_mail_expunge(struct mail *mail ATTR_UNUSED)
{
}

static void
fail_mail_set_cache_corrupted(struct mail *mail ATTR_UNUSED,
                  enum mail_fetch_field field ATTR_UNUSED,
                  const char *reason ATTR_UNUSED)
{
}

struct mail_vfuncs fail_mail_vfuncs = {
    NULL,
    fail_mail_free,
    fail_mail_set_seq,
    fail_mail_set_uid,
    fail_mail_set_uid_cache_updates,
    fail_mail_prefetch,
    fail_mail_precache,
    fail_mail_add_temp_wanted_fields,

    fail_mail_get_flags,
    fail_mail_get_keywords,
    fail_mail_get_keyword_indexes,
    fail_mail_get_modseq,
    fail_mail_get_modseq,
    fail_mail_get_parts,
    fail_mail_get_date,
    fail_mail_get_received_date,
    fail_mail_get_save_date,
    fail_mail_get_fail_mail_size,
    fail_mail_get_physical_size,
    fail_mail_get_first_header,
    fail_mail_get_headers,
    fail_mail_get_header_stream,
    fail_mail_get_stream,
    fail_mail_get_binary_stream,
    fail_mail_get_special,
    fail_mail_get_backend_mail,
    fail_mail_update_flags,
    fail_mail_update_keywords,
    fail_mail_update_modseq,
    fail_mail_update_modseq,
    NULL,
    fail_mail_expunge,
    fail_mail_set_cache_corrupted,
    NULL,
};