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-rw-r--r--src/doveadm/dsync/dsync-mail.c156
1 files changed, 156 insertions, 0 deletions
diff --git a/src/doveadm/dsync/dsync-mail.c b/src/doveadm/dsync/dsync-mail.c
new file mode 100644
index 0000000..b82818f
--- /dev/null
+++ b/src/doveadm/dsync/dsync-mail.c
@@ -0,0 +1,156 @@
+/* Copyright (c) 2013-2018 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-header-hash.h"
+#include "message-size.h"
+#include "mail-storage.h"
+#include "dsync-mail.h"
+
+struct mailbox_header_lookup_ctx *
+dsync_mail_get_hash_headers(struct mailbox *box, const char *const *hashed_headers)
+{
+ return mailbox_header_lookup_init(box, hashed_headers);
+}
+
+int dsync_mail_get_hdr_hash(struct mail *mail, unsigned int version,
+ const char *const *hashed_headers, const char **hdr_hash_r)
+{
+ struct istream *hdr_input, *input;
+ struct mailbox_header_lookup_ctx *hdr_ctx;
+ struct message_header_hash_context hash_ctx;
+ struct md5_context md5_ctx;
+ unsigned char md5_result[MD5_RESULTLEN];
+ const unsigned char *data;
+ size_t size;
+ ssize_t sret;
+ 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);
+ i_zero(&hash_ctx);
+ while ((sret = i_stream_read_more(input, &data, &size)) > 0) {
+ message_header_hash_more(&hash_ctx, &hash_method_md5, &md5_ctx,
+ version, data, size);
+ i_stream_skip(input, size);
+ }
+ i_assert(sret == -1);
+ 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, bool minimal_fill,
+ struct dsync_mail *dmail_r, const char **error_field_r)
+{
+ const char *guid;
+
+ i_zero(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_save_date(mail, &dmail_r->saved_date) < 0) {
+ *error_field_r = "saved-date";
+ return -1;
+ }
+ if (!minimal_fill)
+ return dsync_mail_fill_nonminimal(mail, dmail_r, error_field_r);
+ dmail_r->minimal_fields = TRUE;
+ return 0;
+}
+
+int dsync_mail_fill_nonminimal(struct mail *mail, struct dsync_mail *dmail_r,
+ const char **error_field_r)
+{
+ const char *str;
+
+ 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_uint32(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_push_back(dest, &str);
+ }
+}
+
+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->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);
+ dest_r->received_timestamp = src->received_timestamp;
+ dest_r->virtual_size = src->virtual_size;
+}