dovecot-2.2: auth: Fixed crash when using %{passdb:} or %{userdb...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.2/rev/c129d92e2735
changeset: 19343:c129d92e2735
user:      Timo Sirainen <tss at iki.fi>
date:      Thu Nov 05 11:41:52 2015 +0200
description:
auth: Fixed crash when using %{passdb:} or %{userdb:} functions when escape_func was NULL
Patch by Michael Slusarz.

diffstat:

 src/auth/auth-request-var-expand.c |  2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diffs (12 lines):

diff -r 5717e416f31f -r c129d92e2735 src/auth/auth-request-var-expand.c
--- a/src/auth/auth-request-var-expand.c	Wed Nov 04 11:39:58 2015 +0200
+++ b/src/auth/auth-request-var-expand.c	Thu Nov 05 11:41:52 2015 +0200
@@ -229,7 +229,7 @@
 
 	memset(&ctx, 0, sizeof(ctx));
 	ctx.auth_request = auth_request;
-	ctx.escape_func = escape_func;
+	ctx.escape_func = escape_func == NULL ? escape_none : escape_func;
 	var_expand_with_funcs(dest, str, table,
 			      auth_request_var_funcs_table, &ctx);
 }