[core, mod_sofia] add some extra checks when creating the digest.

src/mod/endpoints/mod_sofia/sofia_reg.c

@@ -2943,23 +2943,24 @@ sofia_auth_algs_t sofia_alg_str2id(char *algorithm, switch_bool_t permissive)
 
 switch_status_t sofia_make_digest(sofia_auth_algs_t use_alg, char **digest, const void *input, unsigned int *outputlen) 
 {
+	switch_status_t status = SWITCH_STATUS_FALSE;
 	switch (use_alg) 
 	{
 		case ALG_MD5:
-			switch_digest_string("md5", digest, input, strlen((char *)input), outputlen);
+			status = switch_digest_string("md5", digest, input, strlen((char *)input), outputlen);
 			break;
 		case ALG_SHA256:
-			switch_digest_string("sha256", digest, input, strlen((char *)input), outputlen);
+			status = switch_digest_string("sha256", digest, input, strlen((char *)input), outputlen);
 			break;
 #if OPENSSL_VERSION_NUMBER >= 0x10101000L
 		case ALG_SHA512:
-			switch_digest_string("sha512-256", digest, input, strlen((char *)input), outputlen);
+			status = switch_digest_string("sha512-256", digest, input, strlen((char *)input), outputlen);
 			break;
 #endif
 		default:
 			return SWITCH_STATUS_FALSE;
 	}
-	return SWITCH_STATUS_SUCCESS;
+	return status;
 }
 
 auth_res_t sofia_reg_parse_auth(sofia_profile_t *profile,

src/switch_utils.c

@@ -4640,6 +4640,10 @@ SWITCH_DECLARE(switch_status_t) switch_digest_string(const char *digest_name, ch
 			}
 
 			(*digest_str)[i] = '\0';
+		} else {
+			switch_safe_free(digest);
+			*outputlen = 0;
+			return SWITCH_STATUS_FALSE;
 		}
 	}