From: Martti Rannanjärvi <martti.rannanjarvi@dovecot.fi>
Date: Wed, 27 Jun 2018 14:19:38 +0000 (+0300)
Subject: fts-solr: Properly URL encode quotes for empty string
X-Git-Tag: 2.3.9~1659
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1f926e4ab285a1d7c4f1c7b2fa4d4a60c6f43c37;p=thirdparty%2Fdovecot%2Fcore.git

fts-solr: Properly URL encode quotes for empty string

Invalid URL encoding of empty string made Solr server give 400 Bad
Request HTTP responses for searches like SEARCH HEADER FROM "".
---

diff --git a/src/plugins/fts-solr/fts-backend-solr.c b/src/plugins/fts-solr/fts-backend-solr.c
index d49a597e57..95f41f0867 100644
--- a/src/plugins/fts-solr/fts-backend-solr.c
+++ b/src/plugins/fts-solr/fts-backend-solr.c
@@ -165,7 +165,7 @@ static void solr_quote_http(string_t *dest, const char *str)
 	if (str[0] != '\0')
 		http_url_escape_param(dest, solr_escape(str));
 	else
-		str_append(dest, "\"\"");
+		str_append(dest, "%22%22");
 }
 
 static struct fts_backend *fts_backend_solr_alloc(void)