Add save file generator, save compatibility test, and generate a save file

2 files changed, 177 insertions, 0 deletions

diff --git a/other/fun/BUILD.bazel b/other/fun/BUILD.bazel
index 93009543..f66aab25 100644
--- a/other/fun/BUILD.bazel
+++ b/other/fun/BUILD.bazel
@@ -25,3 +25,12 @@ cc_binary(
         "@libsodium",
     ],
 )
+
+cc_binary(
+    name = "save-generator",
+    srcs = ["save-generator.c"],
+    deps = [
+        "//c-toxcore/testing:misc_tools",
+        "//c-toxcore/toxcore",
+    ],
+)
diff --git a/other/fun/save-generator.c b/other/fun/save-generator.c
new file mode 100644
index 00000000..82b83e72
--- /dev/null
+++ b/other/fun/save-generator.c
@@ -0,0 +1,168 @@
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "../../testing/misc_tools.h"
+#include "../../toxcore/ccompat.h"
+#include "../../toxcore/tox.h"
+
+#define SAVE_FILE "save.tox"
+#define STATUS_MESSAGE "Hello World"
+#define REQUEST_MESSAGE "Add me."
+#define BOOTSTRAP_IP "185.14.30.213"
+#define BOOTSTRAP_ADDRESS "2555763C8C460495B14157D234DD56B86300A2395554BCAE4621AC345B8C1B1B"
+#define UDP_PORT 443
+
+static bool write_save(const uint8_t *data, size_t length)
+{
+    FILE *fp = fopen(SAVE_FILE, "w");
+
+    if (!fp) {
+        return false;
+    }
+
+    if (fwrite(data, length, 1, fp) != 1) {
+        fclose(fp);
+        return false;
+    }
+
+    fclose(fp);
+    return true;
+}
+
+static bool bootstrap_tox(Tox *tox)
+{
+    uint8_t *key = hex_string_to_bin(BOOTSTRAP_ADDRESS);
+
+    if (!key) {
+        printf("Could not allocate memory for tox address\n");
+        return false;
+    }
+
+    Tox_Err_Bootstrap err;
+    tox_bootstrap(tox, BOOTSTRAP_IP, UDP_PORT, key, &err);
+    free(key);
+
+    if (err != TOX_ERR_BOOTSTRAP_OK) {
+        printf("Failed to bootstrap. Error number: %d", err);
+        return false;
+    }
+
+    return true;
+}
+
+static void tox_connection_callback(Tox *tox, Tox_Connection connection, void *userdata)
+{
+    if (connection == TOX_CONNECTION_UDP) {
+        printf("Connected to the tox network.\n");
+        *(bool *)userdata = true;
+    }
+}
+
+static void print_information(Tox *tox)
+{
+    uint8_t tox_id[TOX_ADDRESS_SIZE];
+    char tox_id_str[TOX_ADDRESS_SIZE * 2];
+    tox_self_get_address(tox, tox_id);
+    to_hex(tox_id_str, tox_id, TOX_ADDRESS_SIZE);
+
+    char nospam_str[(TOX_NOSPAM_SIZE * 2) + 1];
+    uint32_t nospam = tox_self_get_nospam(tox);
+    int length = snprintf(nospam_str, sizeof(nospam_str), "%08X", nospam);
+    nospam_str[length] = '\0';
+
+    uint8_t name[TOX_MAX_NAME_LENGTH];
+    tox_self_get_name(tox, name);
+
+    printf("INFORMATION\n");
+    printf("----------------------------------\n");
+    printf("Tox ID: %.*s.\n", (int)TOX_ADDRESS_SIZE * 2, tox_id_str);
+    printf("Nospam: %s.\n", nospam_str);
+    printf("Name: %s.\n", name);
+    printf("Status message: %s.\n", STATUS_MESSAGE);
+    printf("Number of friends: %zu.\n", tox_self_get_friend_list_size(tox));
+    printf("----------------------------------\n");
+}
+
+int main(int argc, char *argv[])
+{
+    if (argc < 3) {
+        printf("Usage: ./save-generator <name> <friend id> ...\n");
+        return -1;
+    }
+
+    Tox *tox = tox_new(nullptr, nullptr);
+
+    if (!tox) {
+        printf("Failed to create tox.\n");
+        return -1;
+    }
+
+    if (!bootstrap_tox(tox)) {
+        tox_kill(tox);
+        return -1;
+    }
+
+    tox_callback_self_connection_status(tox, tox_connection_callback);
+
+    bool connected = false;
+
+    while (!connected) {
+        tox_iterate(tox, &connected);
+        c_sleep(tox_iteration_interval(tox));
+    }
+
+    Tox_Err_Set_Info err;
+    const uint8_t *name = (uint8_t *)argv[1];
+    tox_self_set_name(tox, name, strlen((char *)name), &err);
+
+    if (err != TOX_ERR_SET_INFO_OK) {
+        printf("Failed to set name. Error number %d\n", err);
+    }
+
+    tox_self_set_status_message(tox, (const uint8_t *)STATUS_MESSAGE, strlen(STATUS_MESSAGE), &err);
+
+    if (err != TOX_ERR_SET_INFO_OK) {
+        printf("Failed to set status. Error number: %d\n", err);
+    }
+
+    for (unsigned int i = 2; i < argc; i++) { //start at 2 because that is where the tox ids are
+        uint8_t *address = hex_string_to_bin(argv[i]);
+        Tox_Err_Friend_Add friend_err;
+        tox_friend_add(tox, address, (const uint8_t *)REQUEST_MESSAGE, strlen(REQUEST_MESSAGE), &friend_err);
+        free(address);
+
+        if (friend_err != TOX_ERR_FRIEND_ADD_OK) {
+            printf("Failed to add friend number %u. Error number: %d\n", i - 1, friend_err);
+        }
+    }
+
+    const size_t length = tox_get_savedata_size(tox);
+    uint8_t *savedata = (uint8_t *)malloc(length);
+
+    if (!savedata) {
+        printf("Could not allocate memory for savedata.\n");
+        tox_kill(tox);
+        return -1;
+    }
+
+    tox_get_savedata(tox, savedata);
+
+    bool ret = write_save(savedata, length);
+    free(savedata);
+
+    if (!ret) {
+        printf("Failed to write save.\n");
+        tox_kill(tox);
+        return -1;
+    }
+
+    printf("Wrote tox save to %s\n", SAVE_FILE);
+
+    print_information(tox);
+
+    tox_kill(tox);
+
+    return 0;
+}