lpac-jni: Introduce convenience macros for linked lists

libs/lpac-jni/src/main/java/net/typeblog/lpac_jni/EuiccInfo2.kt

@@ -3,9 +3,7 @@ package net.typeblog.lpac_jni
 /* Corresponds to EuiccInfo2 in SGP.22 */
 data class EuiccInfo2(
     val profileVersion: String,
-    val sgp22Version: String,
     val euiccFirmwareVersion: String,
-    val uiccFirmwareVersion: String,
     val globalPlatformVersion: String,
     val sasAccreditationNumber: String,
     val ppVersion: String,

libs/lpac-jni/src/main/jni/Application.mk

@@ -1,3 +1,4 @@
 APP_ABI := all
 APP_SHORT_COMMANDS := true
+APP_CFLAGS := -Wno-compound-token-split-by-macro
 APP_LDFLAGS := -Wl,--build-id=none

libs/lpac-jni/src/main/jni/lpac

@@ -1 +1 @@
-Subproject commit 76baec728ada6e9a7705bffc2e6bd68482acb839
+Subproject commit c9180539164521d491e63395b25538b80ad8b883

libs/lpac-jni/src/main/jni/lpac-jni/lpac-jni.c

@@ -53,7 +53,7 @@ jint JNI_OnLoad(JavaVM *vm, void *reserved) {
 
     euicc_info2_class = (*env)->FindClass(env, "net/typeblog/lpac_jni/EuiccInfo2");
     euicc_info2_class = (*env)->NewGlobalRef(env, euicc_info2_class);
-    euicc_info2_constructor = (*env)->GetMethodID(env, euicc_info2_class, "<init>", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;II)V");
+    euicc_info2_constructor = (*env)->GetMethodID(env, euicc_info2_class, "<init>", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;II)V");
 
     const char _unused[1];
     empty_string = (*env)->NewString(env, _unused, 0);
@@ -179,24 +179,27 @@ JNIEXPORT jobjectArray JNICALL
 Java_net_typeblog_lpac_1jni_LpacJni_es10cGetProfilesInfo(JNIEnv *env, jobject thiz, jlong handle) {
     struct euicc_ctx *ctx = (struct euicc_ctx *) handle;
     struct es10c_profile_info *info = NULL;
+    struct es10c_profile_info *curr = NULL;
     jobjectArray ret = NULL;
     jobject jinfo = NULL;
-    int count;
+    int count = 0;
 
-    if (es10c_get_profiles_info(ctx, &info, &count) < 0) {
+    if (es10c_get_profiles_info(ctx, &info) < 0) {
         return NULL;
     }
 
+    count = LPAC_JNI_LINKED_LIST_COUNT(info, curr);
+
     ret = (*env)->NewObjectArray(env, count, local_profile_info_class, NULL);
 
     // Convert the native info array to Java
-    for (int i = 0; i < count; i++) {
-        jinfo = profile_info_native_to_java(env, &info[i]);
+    LPAC_JNI_LINKED_LIST_FOREACH(info, curr, {
+        jinfo = profile_info_native_to_java(env, curr);
         (*env)->SetObjectArrayElement(env, ret, i, jinfo);
         (*env)->DeleteLocalRef(env, jinfo);
-    }
+    });
 
-    es10c_profile_info_free_all(info, count);
+    es10c_profile_info_free_all(info);
     return ret;
 }
 
@@ -258,40 +261,37 @@ Java_net_typeblog_lpac_1jni_LpacJni_es10cDeleteProfile(JNIEnv *env, jobject thiz
 JNIEXPORT jobject JNICALL
 Java_net_typeblog_lpac_1jni_LpacJni_es10cexGetEuiccInfo2(JNIEnv *env, jobject thiz, jlong handle) {
     struct euicc_ctx *ctx = (struct euicc_ctx *) handle;
-    struct es10cex_euiccinfo2 info;
+    struct es10cex_euiccinfo2 * info;
     jstring sas_accreditation_number = NULL;
     jstring global_platform_version = NULL;
     jstring euicc_firmware_version = NULL;
-    jstring uicc_firmware_version = NULL;
     jstring profile_version = NULL;
-    jstring sgp22_version = NULL;
     jstring pp_version = NULL;
     jobject ret = NULL;
 
     if (es10cex_get_euiccinfo2(ctx, &info) < 0)
         goto out;
 
-    profile_version = toJString(env, info.profile_version);
-    sgp22_version = toJString(env, info.sgp22_version);
-    euicc_firmware_version = toJString(env, info.euicc_firmware_version);
-    uicc_firmware_version = toJString(env, info.uicc_firmware_version);
-    global_platform_version = toJString(env, info.global_platform_version);
-    sas_accreditation_number = toJString(env, info.sas_accreditation_number);
-    pp_version = toJString(env, info.pp_version);
+    profile_version = toJString(env, info->profileVersion);
+    euicc_firmware_version = toJString(env, info->euiccFirmwareVer);
+    global_platform_version = toJString(env, info->globalplatformVersion);
+    sas_accreditation_number = toJString(env, info->sasAcreditationNumber);
+    pp_version = toJString(env, info->ppVersion);
 
     ret = (*env)->NewObject(env, euicc_info2_class, euicc_info2_constructor,
-                            profile_version, sgp22_version, euicc_firmware_version,
-                            uicc_firmware_version, global_platform_version,
+                            profile_version, euicc_firmware_version,
+                            global_platform_version,
                             sas_accreditation_number, pp_version,
-                            info.free_nvram, info.free_ram);
+                            info->extCardResource.freeNonVolatileMemory,
+                            info->extCardResource.freeVolatileMemory);
 
     out:
     (*env)->DeleteLocalRef(env, profile_version);
-    (*env)->DeleteLocalRef(env, sgp22_version);
     (*env)->DeleteLocalRef(env, euicc_firmware_version);
-    (*env)->DeleteLocalRef(env, uicc_firmware_version);
     (*env)->DeleteLocalRef(env, global_platform_version);
     (*env)->DeleteLocalRef(env, sas_accreditation_number);
     (*env)->DeleteLocalRef(env, pp_version);
+    if (info != NULL)
+        es10cex_free_euiccinfo2(info);
     return ret;
 }

libs/lpac-jni/src/main/jni/lpac-jni/lpac-jni.h

@@ -13,6 +13,21 @@ struct lpac_jni_ctx {
     JNIEnv *env; \
     (*jvm)->AttachCurrentThread(jvm, &env, NULL)
 
+#define __LPAC_JNI_LINKED_LIST_FOREACH(list, curr, body, after) { \
+    int i = 0;                                                    \
+    curr = list;                                                  \
+    while (curr != NULL) {                                        \
+        body;                                                     \
+        curr = curr->next;                                        \
+        i++;                                                      \
+    };                                                             \
+    after;                                                        \
+}
+#define LPAC_JNI_LINKED_LIST_FOREACH(list, curr, body) \
+    __LPAC_JNI_LINKED_LIST_FOREACH(list, curr, body, {})
+#define LPAC_JNI_LINKED_LIST_COUNT(list, curr) \
+    (__LPAC_JNI_LINKED_LIST_FOREACH(list, curr, {}, i))
+
 extern JavaVM *jvm;
 extern jclass string_class;
 

libs/lpac-jni/src/main/jni/lpac-jni/lpac-notifications.c

@@ -33,36 +33,39 @@ void lpac_notifications_init() {
 JNIEXPORT jobject JNICALL
 Java_net_typeblog_lpac_1jni_LpacJni_es10bListNotification(JNIEnv *env, jobject thiz, jlong handle) {
     struct euicc_ctx *ctx = (struct euicc_ctx *) handle;
-    struct es10b_notification_metadata *info;
+    struct es10b_notification_metadata *info = NULL;
+    struct es10b_notification_metadata *curr = NULL;
     jobject notification = NULL;
     jobject operation = NULL;
     jobjectArray ret = NULL;
-    int count;
+    int count = 0;
 
-    if (es10b_list_notification(ctx, &info, &count) < 0)
+    if (es10b_list_notification(ctx, &info) < 0)
         return NULL;
 
+    count = LPAC_JNI_LINKED_LIST_COUNT(info, curr);
+
     ret = (*env)->NewObjectArray(env, count, local_profile_notification_class, NULL);
 
-    for (int i = 0; i < count; i++) {
+    LPAC_JNI_LINKED_LIST_FOREACH(info, curr, {
         operation =
                 (*env)->CallStaticObjectMethod(env, local_profile_notification_operation_class,
                                                local_profile_notification_operation_from_string,
-                                               toJString(env, info[i].profileManagementOperation));
+                                               toJString(env, curr->profileManagementOperation));
 
         notification =
                 (*env)->NewObject(env, local_profile_notification_class,
-                                  local_profile_notification_constructor, info[i].seqNumber, operation,
-                                  toJString(env, info[i].notificationAddress),
-                                  toJString(env, info[i].iccid));
+                                  local_profile_notification_constructor, curr->seqNumber, operation,
+                                  toJString(env, curr->notificationAddress),
+                                  toJString(env, curr->iccid));
 
         (*env)->SetObjectArrayElement(env, ret, i, notification);
 
         (*env)->DeleteLocalRef(env, operation);
         (*env)->DeleteLocalRef(env, notification);
-    }
+    });
 
-    es10b_notification_metadata_free_all(info, count);
+    es10b_notification_metadata_free_all(info);
     return ret;
 }
 
@@ -70,23 +73,20 @@ JNIEXPORT jint JNICALL
 Java_net_typeblog_lpac_1jni_LpacJni_handleNotification(JNIEnv *env, jobject thiz, jlong handle,
                                                        jlong seq_number) {
     struct euicc_ctx *ctx = (struct euicc_ctx *) handle;
-    char *b64_payload = NULL;
-    char *receiver = NULL;
+    struct es10b_notification notification;
     int res;
 
-    res = es10b_retrieve_notification(ctx, &b64_payload, &receiver, (unsigned long) seq_number);
+    res = es10b_retrieve_notification(ctx, &notification, (unsigned long) seq_number);
     syslog(LOG_DEBUG, "es10b_retrieve_notification = %d", res);
     if (res < 0)
         goto out;
 
-    res = es9p_handle_notification(ctx, receiver, b64_payload);
+    res = es9p_handle_notification(ctx, notification.receiver, notification.b64_payload);
     syslog(LOG_DEBUG, "es9p_handle_notification = %d", res);
     if (res < 0)
         goto out;
 
     out:
-    free(b64_payload);
-    free(receiver);
     return res;
 }