fix USER LIST command

5 files changed, 43 insertions, 5 deletions

diff --git a/src/client.c b/src/client.c
index 6812702..e67cfb6 100644
--- a/src/client.c
+++ b/src/client.c
@@ -441,6 +441,11 @@ void client_drop(char *what)
     send_master(REQ_DROP, what, strlen(what) + 1);
 }
 
+void client_user_list(void)
+{
+    send_master(REQ_LISTUSERS, NULL, 0);
+}
+
 #define WSPACE " \t\r\n"
 
 void client_main(int fd, struct sockaddr_in *addr, int total, int to, int from)
@@ -619,7 +624,7 @@ auth:
                 }
                 else if(!strcmp(what, "LIST"))
                 {
-                    auth_user_list();
+                    client_user_list();
                 }
                 else
                 {
diff --git a/src/server_reqs.c b/src/server_reqs.c
index f02ed1c..7767027 100644
--- a/src/server_reqs.c
+++ b/src/server_reqs.c
@@ -362,6 +362,25 @@ static void req_drop(unsigned char *data, size_t datalen, struct child_data *sen
     userdb_write(USERFILE);
 }
 
+static void req_listusers(unsigned char *data, size_t datalen, struct child_data *sender)
+{
+    (void) data;
+    (void) datalen;
+
+    void *save = NULL;
+    while(1)
+    {
+        struct userdata_t *user = userdb_iterate(&save);
+        if(!user)
+            break;
+
+        send_msg(sender, "%s: priv: %d room: %d last: %s", user->username,
+                 user->priv,
+                 user->room,
+                 ctime(&user->last_login));
+    }
+}
+
 static const struct child_request {
     unsigned char code;
 
@@ -378,10 +397,11 @@ static const struct child_request {
 } requests[] = {
     {  REQ_NOP,             false,  CHILD_NONE,            NULL,                 NULL,               },
     {  REQ_BCASTMSG,        true,   CHILD_ALL,             req_pass_msg,         NULL,               },
-    {  REQ_LISTCLIENTS,     false,  CHILD_ALL,             req_send_clientinfo,  req_send_geninfo,   },
     {  REQ_CHANGESTATE,     true,   CHILD_SENDER,          req_change_state,     NULL,               },
     {  REQ_CHANGEUSER,      true,   CHILD_SENDER,          req_change_user,      NULL,               },
     {  REQ_KICK,            true,   CHILD_ALL,             req_kick_client,      NULL,               },
+    {  REQ_KICKALL,         true,   CHILD_ALL_BUT_SENDER,  req_kick_always,      NULL,               },
+    {  REQ_LISTCLIENTS,     false,  CHILD_ALL,             req_send_clientinfo,  req_send_geninfo,   },
     {  REQ_WAIT,            false,  CHILD_NONE,            NULL,                 req_wait,           },
     {  REQ_GETROOMDESC,     false,  CHILD_NONE,            NULL,                 req_send_desc,      },
     {  REQ_GETROOMNAME,     false,  CHILD_NONE,            NULL,                 req_send_roomname,  },
@@ -390,11 +410,11 @@ static const struct child_request {
     {  REQ_GETUSERDATA,     true,   CHILD_NONE,            NULL,                 req_send_user,      },
     {  REQ_DELUSERDATA,     true,   CHILD_NONE,            NULL,                 req_del_user,       },
     {  REQ_ADDUSERDATA,     true,   CHILD_NONE,            NULL,                 req_add_user,       },
-    {  REQ_KICKALL,         true,   CHILD_ALL_BUT_SENDER,  req_kick_always,      NULL,               },
     {  REQ_LOOKAT,          true,   CHILD_NONE,            NULL,                 req_look_at,        },
     {  REQ_TAKE,            true,   CHILD_NONE,            NULL,                 req_take,           },
     {  REQ_PRINTINVENTORY,  false,  CHILD_NONE,            NULL,                 req_inventory,      },
     {  REQ_DROP,            true,   CHILD_NONE,            NULL,                 req_drop,           },
+    {  REQ_LISTUSERS,       false,  CHILD_NONE,            NULL,                 req_listusers       },
     //{ REQ_ROOMMSG,     true,  CHILD_ALL,            req_send_room_msg,   NULL,           },
 };
 
diff --git a/src/server_reqs.h b/src/server_reqs.h
index 2b3d08f..3401ba2 100644
--- a/src/server_reqs.h
+++ b/src/server_reqs.h
@@ -42,6 +42,7 @@
 #define REQ_TAKE              20 /* server: add object to user inventory */
 #define REQ_PRINTINVENTORY    21 /* server: print user inventory */
 #define REQ_DROP              22 /* server: drop user object if allowed */
+#define REQ_LISTUSERS         23 /* server: list users in USERFILE */
 
 /* child states, sent as an int to the master */
 #define STATE_INIT      0 /* initial state */
diff --git a/src/userdb.c b/src/userdb.c
index 5c80581..3d42133 100644
--- a/src/userdb.c
+++ b/src/userdb.c
@@ -204,8 +204,17 @@ size_t userdb_size(void)
     return hash_size(map);
 }
 
-/* child request wrappers */
-/* NOTE: also works from the master, but it's better to use the userdb_* funcs instead */
+struct userdata_t *userdb_iterate(void **save)
+{
+    if(*save)
+        return hash_iterate(NULL, save, NULL);
+    else
+        return hash_iterate(map, save, NULL);
+}
+
+/*** child request wrappers ***/
+/* NOTE: these also work from the master, but it's better to use the
+ * userdb_* funcs instead */
 
 struct userdata_t *userdb_request_lookup(const char *name)
 {
diff --git a/src/userdb.h b/src/userdb.h
index 2f122a9..1d1d6e2 100644
--- a/src/userdb.h
+++ b/src/userdb.h
@@ -65,6 +65,9 @@ void userdb_shutdown(void);
 /* save the DB to disk */
 void userdb_write(const char*);
 
+/* *save should be set to NULL on the first run */
+struct userdata_t *userdb_iterate(void **save);
+
 /*** child-only functions ***/
 struct userdata_t *userdb_request_lookup(const char *name);
 bool userdb_request_add(struct userdata_t *data);