Messenger stores / loads nickname

new toxic command to show nickname (mynick)

core/Messenger.c

@@ -850,8 +850,15 @@ void doMessenger(Messenger *m)
 /* returns the size of the messenger data (for saving) */
 uint32_t Messenger_size(Messenger *m)
 {
-    return crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES + sizeof(uint32_t)
+    return crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES
-           + sizeof(uint32_t) + DHT_size() + sizeof(uint32_t) + sizeof(Friend) * m->numfriends;
+            + sizeof(uint32_t)                  // nospam
+            + sizeof(uint32_t)                  // DHT size
+            + DHT_size()                        // DHT itself
+            + sizeof(uint32_t)                  // Friendlist size
+            + sizeof(Friend) * m->numfriends    // Friendlist itself
+            + sizeof(uint16_t)                  // Own nickname length
+            + m->name_length                    // Own nickname
+            ;
 }
 
 /* save the messenger in data of size Messenger_size() */
@@ -871,6 +878,11 @@ void Messenger_save(Messenger *m, uint8_t *data)
     memcpy(data, &size, sizeof(size));
     data += sizeof(size);
     memcpy(data, m->friendlist, sizeof(Friend) * m->numfriends);
+    data += size;
+    uint16_t small_size = m->name_length;
+    memcpy(data, &small_size, sizeof(small_size));
+    data += sizeof(small_size);
+    memcpy(data, m->name, small_size);
 }
 
 /* load the messenger from data of size length. */
@@ -905,7 +917,7 @@ int Messenger_load(Messenger *m, uint8_t *data, uint32_t length)
     memcpy(&size, data, sizeof(size));
     data += sizeof(size);
 
-    if (length != size || length % sizeof(Friend) != 0)
+    if (length < size || size % sizeof(Friend) != 0)
         return -1;
 
     Friend *temp = malloc(size);
@@ -931,6 +943,23 @@ int Messenger_load(Messenger *m, uint8_t *data, uint32_t length)
         }
     }
 
+    data += size;
+    length -= size;
+
+    uint16_t small_size;
+
+    if (length < sizeof(small_size))
+        return -1;
+
+    memcpy(&small_size, data, sizeof(small_size));
+    data += sizeof(small_size);
+    length -= sizeof(small_size);
+
+    if (length != small_size)
+        return -1;
+
+    setname(m, data, small_size);
+
     free(temp);
     return 0;
 }

testing/toxic/prompt.c

@@ -13,6 +13,9 @@
 #include "windows.h"
 #include "prompt.h"
 
+extern char *DATA_FILE;
+extern int store_data(Messenger *m, char *path);
+
 uint8_t pending_requests[MAX_STR_SIZE][CLIENT_ID_SIZE]; // XXX
 uint8_t num_requests = 0; // XXX
 
@@ -29,11 +32,12 @@ void cmd_help(ToxWindow *, Messenger *m, char **);
 void cmd_msg(ToxWindow *, Messenger *m, char **);
 void cmd_myid(ToxWindow *, Messenger *m, char **);
 void cmd_nick(ToxWindow *, Messenger *m, char **);
+void cmd_mynick(ToxWindow *, Messenger *m, char **);
 void cmd_quit(ToxWindow *, Messenger *m, char **);
 void cmd_status(ToxWindow *, Messenger *m, char **);
 void cmd_statusmsg(ToxWindow *, Messenger *m, char **);
 
-#define NUM_COMMANDS 13
+#define NUM_COMMANDS 14
 
 static struct {
     char *name;
@@ -49,6 +53,7 @@ static struct {
     { "msg",       2, cmd_msg       },
     { "myid",      0, cmd_myid      },
     { "nick",      1, cmd_nick      },
+    { "mynick",    0, cmd_mynick    },
     { "q",         0, cmd_quit      },
     { "quit",      0, cmd_quit      },
     { "status",    2, cmd_status    },
@@ -222,6 +227,7 @@ void cmd_help(ToxWindow *self, Messenger *m, char **args)
     wprintw(self->window, "      status <type> <message>   : Set your status\n");
     wprintw(self->window, "      statusmsg  <message>      : Set your status\n");
     wprintw(self->window, "      nick <nickname>           : Set your nickname\n");
+    wprintw(self->window, "      mynick                    : Print your current nickname\n");
     wprintw(self->window, "      accept <number>           : Accept friend request\n");
     wprintw(self->window, "      myid                      : Print your ID\n");
     wprintw(self->window, "      quit/exit                 : Exit program\n");
@@ -267,6 +273,17 @@ void cmd_nick(ToxWindow *self, Messenger *m, char **args)
     char *nick = args[1];
     setname(m, (uint8_t *) nick, strlen(nick) + 1);
     wprintw(self->window, "Nickname set to: %s\n", nick);
+    if (store_data(m, DATA_FILE)) {
+        wprintw(self->window, "\nCould not store Messenger data\n");
+    }
+}
+
+void cmd_mynick(ToxWindow *self, Messenger *m, char **args)
+{
+    uint8_t *nick = malloc(m->name_length);
+    getself_name(m, nick, m->name_length);
+    wprintw(self->window, "Current nickname: %s\n", nick);
+    free(nick);
 }
 
 void cmd_status(ToxWindow *self, Messenger *m, char **args)

testing/toxic/windows.c

@@ -83,7 +83,7 @@ void on_friendadded(Messenger *m, int friendnumber)
 {
     friendlist_onFriendAdded(m, friendnumber);
 
-    if (store_data(m, DATA_FILE) != 0) {
+    if (store_data(m, DATA_FILE)) {
         wprintw(prompt->window, "\nCould not store Messenger data\n");
     }
 }