set memory alignment of shm cache structs to 64 bytes

see #1067; should fix running on Raspberry PI / ARMv7 32 bits (arm32v7);
bump to 2.4.15rc13

Signed-off-by: Hans Zandbelt <[email protected]>

ChangeLog

@@ -1,3 +1,8 @@
+12/28/2023
+- set memory alignment of shm cache structs to 64 bytes; see #1067
+  should fix running on Raspberry PI / ARMv7 32 bits (arm32v7)
+- bump to 2.4.15rc13
+
 12/22/2023
 - generate 20-byte lowercase hexadecimal session identifiers
 

configure.ac

@@ -1,4 +1,4 @@
-AC_INIT([mod_auth_openidc],[2.4.15rc12],[[email protected]])
+AC_INIT([mod_auth_openidc],[2.4.15rc13],[[email protected]])
 
 AC_SUBST(NAMEVER, AC_PACKAGE_TARNAME()-AC_PACKAGE_VERSION())
 
@@ -154,6 +154,11 @@ AM_CONDITIONAL(HAVE_LIBHIREDIS, [test x"$HAVE_LIBHIREDIS" = "x1"])
 AC_SUBST(HIREDIS_CFLAGS)
 AC_SUBST(HIREDIS_LIBS)
 
+PKG_CHECK_MODULES([HIREDIS_SSL], [hiredis_ssl], [HAVE_LIBHIREDIS_SSL=1], [HAVE_LIBHIREDIS_SSL=0])
+AM_CONDITIONAL(HAVE_LIBHIREDIS_SSL, [test x"$HAVE_LIBHIREDIS_SSL" = "x1"])
+AC_SUBST(HIREDIS_SSL_CFLAGS)
+AC_SUBST(HIREDIS_SSL_LIBS)
+
 # JQ
 HAVE_LIBJQ=0
 

src/cache/shm.c

@@ -58,7 +58,8 @@ typedef struct oidc_cache_cfg_shm_t {
 #define OIDC_CACHE_SHM_KEY_MAX 512
 
 /* represents one (fixed size) cache entry, cq. name/value string pair */
-typedef struct oidc_cache_shm_entry_t {
+typedef __attribute__((aligned(64))) struct oidc_cache_shm_entry_t {
+
 	/* name of the cache entry */
 	char section_key[OIDC_CACHE_SHM_KEY_MAX];
 	/* last (read) access timestamp */