component/cyrus-sasl: Backport fix for gdbm>=1.17.

component/cyrus-sasl/0001-db_gdbm-fix-gdbm_errno-overlay-from-gdbm_close.patch

+From af48f6fec9a7b6374d4153c5db894d4a1f349645 Mon Sep 17 00:00:00 2001
+From: Jonas Jelten <jj@sft.mx>
+Date: Sat, 2 Feb 2019 20:53:37 +0100
+Subject: [RFC] db_gdbm: fix gdbm_errno overlay from gdbm_close
+
+`gdbm_close` also sets gdbm_errno since version 1.17.
+This leads to a problem in `libsasl` as the `gdbm_close` incovation overlays
+the `gdbm_errno` value which is then later used for the error handling.
+---
+ sasldb/db_gdbm.c | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/sasldb/db_gdbm.c b/sasldb/db_gdbm.c
+index ee56a6b..c908808 100644
+--- a/sasldb/db_gdbm.c
++++ b/sasldb/db_gdbm.c
+@@ -107,9 +107,11 @@ int _sasldb_getdata(const sasl_utils_t *utils,
+   gkey.dptr = key;
+   gkey.dsize = key_len;
+   gvalue = gdbm_fetch(db, gkey);
++  int fetch_errno = gdbm_errno;
++
+   gdbm_close(db);
+   if (! gvalue.dptr) {
+-      if (gdbm_errno == GDBM_ITEM_NOT_FOUND) {
++      if (fetch_errno == GDBM_ITEM_NOT_FOUND) {
+           utils->seterror(conn, SASL_NOLOG,
+ 			  "user: %s@%s property: %s not found in %s",
+ 			  authid, realm, propName, path);
+-- 
+2.30.1
+

component/cyrus-sasl/buildout.cfg

@@ -15,6 +15,9 @@ shared = true
 url = ftp://ftp.cyrusimap.org/cyrus-sasl/cyrus-sasl-2.1.26.tar.gz
 md5sum = a7f4e5e559a0e37b3ffc438c9456e425
 location = @@LOCATION@@
+patch-options = -p1
+patches =
+  ${:_profile_base_location_}/0001-db_gdbm-fix-gdbm_errno-overlay-from-gdbm_close.patch#eef9bb30101c29f045ed68db45d5e5b3
 pre-configure =
   "${libtool:location}/bin/libtoolize" -c -f &&
   "${automake:location}/bin/aclocal" -I "${libtool:location}/share/aclocal" -I config -I cmulocal &&