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authorNikos Mavrogiannopoulos <nmav@gnutls.org>2020-01-13 22:42:17 +0000
committerNikos Mavrogiannopoulos <nmav@gnutls.org>2020-01-13 22:42:17 +0000
commit0ddd79afb47149cd49690b3a89b9a8ca79acd29b (patch)
tree31d489b262728869db18fc9aa35d77c1d1caae24 /lib
parent6dbe291c8d264ee90d16331b80b1743c2de52a15 (diff)
parent454eb184f0c2255a9d33fbdd096906b8e18ef582 (diff)
downloadgnutls-0ddd79afb47149cd49690b3a89b9a8ca79acd29b.tar.gz
Merge branch 'override-default-priority' into 'master'
libgnutls: Add system-wide default-priority-string override. See merge request gnutls/gnutls!1158
Diffstat (limited to 'lib')
-rw-r--r--lib/priority.c33
1 files changed, 31 insertions, 2 deletions
diff --git a/lib/priority.c b/lib/priority.c
index 565bf45ea5..bcabee9018 100644
--- a/lib/priority.c
+++ b/lib/priority.c
@@ -989,6 +989,7 @@ static void dummy_func(gnutls_priority_t c)
static gnutls_certificate_verification_profiles_t system_wide_verification_profile = GNUTLS_PROFILE_UNKNOWN;
static name_val_array_t system_wide_priority_strings = NULL;
static unsigned system_wide_priority_strings_init = 0;
+static unsigned system_wide_default_priority_string = 0;
static unsigned fail_on_invalid_config = 0;
static unsigned system_wide_disabled_ciphers[MAX_ALGOS+1] = {0};
static unsigned system_wide_disabled_macs[MAX_ALGOS+1] = {0};
@@ -1000,7 +1001,17 @@ static time_t system_priority_last_mod = 0;
#define CUSTOM_PRIORITY_SECTION "priorities"
#define OVERRIDES_SECTION "overrides"
-#define MAX_ALGO_NAME 128
+#define MAX_ALGO_NAME 2048
+
+static void _clear_default_system_priority(void)
+{
+ if (system_wide_default_priority_string) {
+ gnutls_free(_gnutls_default_priority_string);
+ _gnutls_default_priority_string = DEFAULT_PRIORITY_STRING;
+ system_wide_default_priority_string = 0;
+ }
+
+}
gnutls_certificate_verification_profiles_t _gnutls_get_system_wide_verification_profile(void)
{
@@ -1053,7 +1064,24 @@ static int cfg_ini_handler(void *_ctx, const char *section, const char *name, co
if (ret < 0)
return 0;
} else if (c_strcasecmp(section, OVERRIDES_SECTION)==0) {
- if (c_strcasecmp(name, "insecure-hash")==0) {
+ if (c_strcasecmp(name, "default-priority-string")==0) {
+ _clear_default_system_priority();
+ p = clear_spaces(value, str);
+ _gnutls_debug_log("cfg: setting default-priority-string to %s\n", p);
+ if (strlen(p) > 0) {
+ _gnutls_default_priority_string = gnutls_strdup(p);
+ if (!_gnutls_default_priority_string) {
+ _gnutls_default_priority_string = DEFAULT_PRIORITY_STRING;
+ _gnutls_debug_log("cfg: failed setting default-priority-string\n");
+ return 0;
+ }
+ system_wide_default_priority_string = 1;
+ } else {
+ _gnutls_debug_log("cfg: empty default-priority-string, using default\n");
+ if (fail_on_invalid_config)
+ return 0;
+ }
+ } else if (c_strcasecmp(name, "insecure-hash")==0) {
p = clear_spaces(value, str);
_gnutls_debug_log("cfg: marking hash %s as insecure\n",
@@ -1319,6 +1347,7 @@ void _gnutls_load_system_priorities(void)
void _gnutls_unload_system_priorities(void)
{
_name_val_array_clear(&system_wide_priority_strings);
+ _clear_default_system_priority();
system_priority_last_mod = 0;
}