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-rw-r--r--os-access-fix-regression-in-server-interpreted-auth.patch30
1 files changed, 30 insertions, 0 deletions
diff --git a/os-access-fix-regression-in-server-interpreted-auth.patch b/os-access-fix-regression-in-server-interpreted-auth.patch
new file mode 100644
index 000000000000..b96bb7a31743
--- /dev/null
+++ b/os-access-fix-regression-in-server-interpreted-auth.patch
@@ -0,0 +1,30 @@
+diff --git a/os/access.c b/os/access.c
+index 28f2d32..fe6e831 100644
+--- a/os/access.c
++++ b/os/access.c
+@@ -1390,14 +1390,23 @@ InvalidHost(register struct sockaddr *saddr, int len, ClientPtr client)
+ else
+ return 0;
+ }
++
++ /* An empty address requires both a NULL addr *and* a zero length
++ * as the address comparison functions call memcmp with both
++ * parameters. Make sure they agree here
++ */
++ if (addr == NULL)
++ len = 0;
++ if (len == 0)
++ addr = NULL;
+ for (host = validhosts; host; host = host->next) {
+ if (host->family == FamilyServerInterpreted) {
+- if (addr && siAddrMatch(family, addr, len, host, client)) {
++ if (siAddrMatch(family, addr, len, host, client)) {
+ return 0;
+ }
+ }
+ else {
+- if (addr && addrEqual(family, addr, len, host))
++ if (addrEqual(family, addr, len, host))
+ return 0;
+ }
+