Mercurial > dovecot > core-2.2
view src/doveadm/dsync/dsync-mail.c @ 17130:add8c00fb3cc
Updated copyright notices to include year 2014.
author | Timo Sirainen <tss@iki.fi> |
---|---|
date | Tue, 04 Feb 2014 16:23:22 -0500 |
parents | da32044d4fc8 |
children | 99a4788770cb |
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/* Copyright (c) 2013-2014 Dovecot authors, see the included COPYING file */ #include "lib.h" #include "array.h" #include "hex-binary.h" #include "md5.h" #include "istream.h" #include "istream-crlf.h" #include "message-size.h" #include "mail-storage.h" #include "dsync-mail.h" /* These should be good enough to identify all normal mails. Received: header would make it even better, but those can be somewhat large. Also these fields can be looked up using IMAP ENVELOPE, which is more efficient in some IMAP servers. */ static const char *hashed_headers[] = { "Date", "Message-ID", NULL }; struct mailbox_header_lookup_ctx * dsync_mail_get_hash_headers(struct mailbox *box) { return mailbox_header_lookup_init(box, hashed_headers); } int dsync_mail_get_hdr_hash(struct mail *mail, const char **hdr_hash_r) { struct istream *hdr_input, *input; struct mailbox_header_lookup_ctx *hdr_ctx; struct md5_context md5_ctx; unsigned char md5_result[MD5_RESULTLEN]; const unsigned char *data; size_t size; int ret = 0; hdr_ctx = mailbox_header_lookup_init(mail->box, hashed_headers); ret = mail_get_header_stream(mail, hdr_ctx, &hdr_input); mailbox_header_lookup_unref(&hdr_ctx); if (ret < 0) return -1; input = i_stream_create_lf(hdr_input); md5_init(&md5_ctx); while (!i_stream_is_eof(input)) { if (i_stream_read_data(input, &data, &size, 0) == -1) break; if (size == 0) break; md5_update(&md5_ctx, data, size); i_stream_skip(input, size); } if (input->stream_errno != 0) ret = -1; i_stream_unref(&input); md5_final(&md5_ctx, md5_result); *hdr_hash_r = binary_to_hex(md5_result, sizeof(md5_result)); return ret; } int dsync_mail_fill(struct mail *mail, struct dsync_mail *dmail_r, const char **error_field_r) { const char *guid, *str; memset(dmail_r, 0, sizeof(*dmail_r)); if (mail_get_special(mail, MAIL_FETCH_GUID, &guid) < 0) { *error_field_r = "GUID"; return -1; } dmail_r->guid = guid; dmail_r->uid = mail->uid; dmail_r->input_mail = mail; dmail_r->input_mail_uid = mail->uid; if (mail_get_stream(mail, NULL, NULL, &dmail_r->input) < 0) { *error_field_r = "body"; return -1; } if (mail_get_special(mail, MAIL_FETCH_UIDL_BACKEND, &dmail_r->pop3_uidl) < 0) { *error_field_r = "pop3-uidl"; return -1; } if (mail_get_special(mail, MAIL_FETCH_POP3_ORDER, &str) < 0) { *error_field_r = "pop3-order"; return -1; } if (*str != '\0') { if (str_to_uint(str, &dmail_r->pop3_order) < 0) i_unreached(); } if (mail_get_received_date(mail, &dmail_r->received_date) < 0) { *error_field_r = "received-date"; return -1; } return 0; } static void const_string_array_dup(pool_t pool, const ARRAY_TYPE(const_string) *src, ARRAY_TYPE(const_string) *dest) { const char *const *strings, *str; unsigned int i, count; if (!array_is_created(src)) return; strings = array_get(src, &count); if (count == 0) return; p_array_init(dest, pool, count); for (i = 0; i < count; i++) { str = p_strdup(pool, strings[i]); array_append(dest, &str, 1); } } void dsync_mail_change_dup(pool_t pool, const struct dsync_mail_change *src, struct dsync_mail_change *dest_r) { dest_r->type = src->type; dest_r->uid = src->uid; if (src->guid != NULL) { dest_r->guid = *src->guid == '\0' ? "" : p_strdup(pool, src->guid); } dest_r->hdr_hash = p_strdup(pool, src->hdr_hash); dest_r->modseq = src->modseq; dest_r->pvt_modseq = src->pvt_modseq; dest_r->save_timestamp = src->save_timestamp; dest_r->add_flags = src->add_flags; dest_r->remove_flags = src->remove_flags; dest_r->final_flags = src->final_flags; dest_r->keywords_reset = src->keywords_reset; const_string_array_dup(pool, &src->keyword_changes, &dest_r->keyword_changes); }