From: Timo Sirainen <tss@iki.fi>
Date: Sat, 2 Nov 2013 18:09:28 +0000 (+0200)
Subject: lib-imap: Added IMAP_PARSE_FLAG_STOP_AT_LIST for stopping after '('
X-Git-Tag: 2.2.7~14
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d0c9d4332d437b32fa6d003e4b3360b51b60e255;p=thirdparty%2Fdovecot%2Fcore.git

lib-imap: Added IMAP_PARSE_FLAG_STOP_AT_LIST for stopping after '('
---

diff --git a/src/lib-imap/imap-parser.c b/src/lib-imap/imap-parser.c
index cd43ae00b9..19289abf5b 100644
--- a/src/lib-imap/imap-parser.c
+++ b/src/lib-imap/imap-parser.c
@@ -609,6 +609,10 @@ static int imap_parser_read_arg(struct imap_parser *parser)
 			break;
 		case '(':
 			imap_parser_open_list(parser);
+			if ((parser->flags & IMAP_PARSE_FLAG_STOP_AT_LIST) != 0) {
+				i_stream_skip(parser->input, 1);
+				return FALSE;
+			}
 			break;
 		case ')':
 			if (!imap_parser_close_list(parser))
@@ -690,7 +694,8 @@ static int imap_parser_read_arg(struct imap_parser *parser)
 /* ARG_PARSE_NONE checks that last argument isn't only partially parsed. */
 #define IS_UNFINISHED(parser) \
         ((parser)->cur_type != ARG_PARSE_NONE || \
-	 (parser)->cur_list != &parser->root_list)
+	 ((parser)->cur_list != &parser->root_list && \
+	 ((parser)->flags & IMAP_PARSE_FLAG_STOP_AT_LIST) == 0))
 
 static int finish_line(struct imap_parser *parser, unsigned int count,
 		       const struct imap_arg **args_r)
@@ -703,7 +708,8 @@ static int finish_line(struct imap_parser *parser, unsigned int count,
 	parser->cur_pos = 0;
 	parser->cur_resp_text = FALSE;
 
-	if (parser->list_arg != NULL && !parser->literal_size_return) {
+	if (parser->list_arg != NULL && !parser->literal_size_return &&
+	    (parser->flags & IMAP_PARSE_FLAG_STOP_AT_LIST) == 0) {
 		parser->error = "Missing ')'";
 		*args_r = NULL;
 		return -1;
diff --git a/src/lib-imap/imap-parser.h b/src/lib-imap/imap-parser.h
index 623d3def8b..d0bc9710da 100644
--- a/src/lib-imap/imap-parser.h
+++ b/src/lib-imap/imap-parser.h
@@ -24,7 +24,9 @@ enum imap_parser_flags {
 	/* We're parsing IMAP server replies. Parse the "text" after
 	   OK/NO/BAD/BYE replies as a single atom. We assume that the initial
 	   "*" or tag was already skipped over. */
-	IMAP_PARSE_FLAG_SERVER_TEXT	= 0x80
+	IMAP_PARSE_FLAG_SERVER_TEXT	= 0x80,
+	/* Parse until '(' and return it as an empty list */
+	IMAP_PARSE_FLAG_STOP_AT_LIST	= 0x100
 };
 
 struct imap_parser;