make item tracking in parse_fetch_rsp() more uniform
amends67ea5bea7
&a5a8783ea
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ec47c90554
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@ -59,6 +59,11 @@ typedef struct store_conf {
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#define M_RECENT (1<<0) /* unsyncable flag; maildir_* depend on this being 1<<0 */
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#define M_DEAD (1<<1) /* expunged */
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#define M_FLAGS (1<<2) /* flags fetched */
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// The following are only for IMAP FETCH response parsing
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#define M_DATE (1<<3)
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#define M_SIZE (1<<4)
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#define M_BODY (1<<5)
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#define M_HEADER (1<<6)
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#define TUIDL 12
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@ -1018,7 +1018,6 @@ parse_fetched_flags( list_t *list, uchar *flags, uchar *status )
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warn( "IMAP warning: unknown system flag %s\n", list->val );
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flagok: ;
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}
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*status |= M_FLAGS;
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return 1;
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}
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@ -1074,7 +1073,7 @@ parse_fetch_rsp( imap_store_t *ctx, list_t *list, char *s ATTR_UNUSED )
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msg_data_t *msgdata;
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imap_cmd_t *cmdp;
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uchar mask = 0, status = 0;
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uint uid = 0, need_uid = 0, size = 0, msgid_len = 0;
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uint uid = 0, size = 0, msgid_len = 0;
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time_t date = 0;
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if (!is_list( list )) {
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@ -1094,7 +1093,6 @@ parse_fetch_rsp( imap_store_t *ctx, list_t *list, char *s ATTR_UNUSED )
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error( "IMAP error: unable to parse UID\n" );
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return LIST_BAD;
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}
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continue; // This *is* the UID.
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} else if (!strcmp( "FLAGS", name )) {
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if (!is_list( tmp )) {
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error( "IMAP error: unable to parse FLAGS\n" );
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@ -1102,7 +1100,7 @@ parse_fetch_rsp( imap_store_t *ctx, list_t *list, char *s ATTR_UNUSED )
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}
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if (!parse_fetched_flags( tmp->child, &mask, &status ))
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return LIST_BAD;
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continue; // This may legitimately come without UID.
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status |= M_FLAGS;
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} else if (!strcmp( "INTERNALDATE", name )) {
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if (!is_atom( tmp )) {
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error( "IMAP error: unable to parse INTERNALDATE\n" );
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@ -1112,17 +1110,20 @@ parse_fetch_rsp( imap_store_t *ctx, list_t *list, char *s ATTR_UNUSED )
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error( "IMAP error: unable to parse INTERNALDATE format\n" );
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return LIST_BAD;
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}
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status |= M_DATE;
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} else if (!strcmp( "RFC822.SIZE", name )) {
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if (!is_atom( tmp ) || (size = strtoul( tmp->val, &ep, 10 ), *ep)) {
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error( "IMAP error: unable to parse RFC822.SIZE\n" );
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return LIST_BAD;
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}
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status |= M_SIZE;
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} else if (!strcmp( "BODY[]", name ) || !strcmp( "BODY[HEADER]", name )) {
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if (!is_atom( tmp )) {
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error( "IMAP error: unable to parse BODY[]\n" );
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return LIST_BAD;
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}
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body = tmp;
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status |= M_BODY;
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} else if (!strcmp( "BODY[HEADER.FIELDS", name )) {
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if (!is_list( tmp )) {
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bfail:
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@ -1136,28 +1137,17 @@ parse_fetch_rsp( imap_store_t *ctx, list_t *list, char *s ATTR_UNUSED )
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if (!is_atom( tmp ))
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goto bfail;
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parse_fetched_header( tmp->val, uid, &tuid, &msgid, &msgid_len );
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status |= M_HEADER;
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}
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need_uid = 1;
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}
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if (!uid) {
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if (need_uid) {
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error( "IMAP error: received payload without UID\n" );
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return LIST_BAD;
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}
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// Ignore async flag updates for now.
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status &= ~(M_FLAGS | M_RECENT);
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} else if ((cmdp = ctx->in_progress) && cmdp->param.lastuid) {
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if (need_uid || (status & M_FLAGS)) {
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error( "IMAP error: received extraneous data in response to UID query\n" );
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return LIST_BAD;
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}
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// Workaround for server not sending UIDNEXT and/or APPENDUID.
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ctx->uidnext = uid + 1;
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} else if (body) {
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if (tuid || msgid) { // Only those that leak; ignore others.
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error( "IMAP error: received extraneous data with full message\n" );
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return LIST_BAD;
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}
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} else if (status & M_BODY) {
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for (cmdp = ctx->in_progress; cmdp; cmdp = cmdp->next)
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if (cmdp->param.uid == uid)
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goto gotuid;
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@ -1171,6 +1161,7 @@ parse_fetch_rsp( imap_store_t *ctx, list_t *list, char *s ATTR_UNUSED )
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msgdata->date = date;
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if (status & M_FLAGS)
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msgdata->flags = mask;
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status &= ~(M_FLAGS | M_RECENT | M_BODY | M_DATE);
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} else {
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cur = nfcalloc( sizeof(*cur) );
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*ctx->msgapp = &cur->gen;
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@ -1183,6 +1174,12 @@ parse_fetch_rsp( imap_store_t *ctx, list_t *list, char *s ATTR_UNUSED )
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cur->gen.msgid = nfstrndup( msgid, msgid_len );
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if (tuid)
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memcpy( cur->gen.tuid, tuid, TUIDL );
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status &= ~(M_FLAGS | M_RECENT | M_SIZE | M_HEADER);
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}
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if (status) {
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error( "IMAP error: received extraneous data in FETCH response\n" );
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return LIST_BAD;
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}
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return LIST_OK;
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