X-Git-Url: http://dolda2000.com/gitweb/?a=blobdiff_plain;f=daemon%2Fui.c;h=fdedc506fccd33eebc47f3757b4c0f807fde8b4c;hb=c662029bed19d3b706cee02ac093758e4cc99649;hp=a7717eae3c8054b2ff45e64bedb7257421d44cdf;hpb=0388d7345b17aeb284ad7d6276a2f672ade6ada7;p=doldaconnect.git

diff --git a/daemon/ui.c b/daemon/ui.c
index a7717ea..fdedc50 100644
--- a/daemon/ui.c
+++ b/daemon/ui.c
@@ -34,6 +34,7 @@
 #include <time.h>
 #include <fcntl.h>
 #include <signal.h>
+#include <stdint.h>
 
 #ifdef HAVE_CONFIG_H
 #include <config.h>
@@ -118,6 +119,7 @@ struct uidata
     struct uidata *next, *prev;
     struct socket *sk;
     struct qcommand *queue, *queuelast;
+    size_t queuesize;
     struct authhandle *auth;
     int close;
     union
@@ -369,7 +371,7 @@ static void cmd_connect(struct socket *sk, struct uidata *data, int argc, wchar_
 	    return;
 	}
     }
-    sq(sk, 0, L"201", L"1", L"2", L"Dolda Connect daemon v" VERSION, NULL);
+    sq(sk, 0, L"201", L"1", L"3", L"Dolda Connect daemon v" VERSION, NULL);
 }
 
 static void cmd_notfound(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
@@ -694,7 +696,7 @@ static void cmd_lspeers(struct socket *sk, struct uidata *data, int argc, wchar_
 {
     int i;
     struct fnetnode *fn;
-    struct fnetpeer *peer;
+    struct fnetpeer *peer, *npeer;
     
     haveargs(2);
     if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
@@ -704,11 +706,12 @@ static void cmd_lspeers(struct socket *sk, struct uidata *data, int argc, wchar_
     }
     if(fn->peers == NULL)
     {
-	sq(sk, 0, L"201", L"No peers avaiable", NULL);
+	sq(sk, 0, L"201", L"No peers available", NULL);
     } else {
-	for(peer = fn->peers; peer != NULL; peer = peer->next)
+	for(peer = btreeiter(fn->peers); peer != NULL; peer = npeer)
 	{
-	    sq(sk, 2 | ((peer->next != NULL)?1:0), L"200", L"%ls", peer->id, L"%ls", peer->nick, NULL);
+	    npeer = btreeiter(NULL);
+	    sq(sk, 2 | ((npeer != NULL)?1:0), L"200", L"%ls", peer->id, L"%ls", peer->nick, NULL);
 	    for(i = 0; i < peer->dinum; i++)
 	    {
 		if(peer->peerdi[i].datum->datatype == FNPD_INT)
@@ -1211,6 +1214,7 @@ static void cmd_filtercmd(struct socket *sk, struct uidata *data, int argc, wcha
     for(pp = cargv; *pp; pp++)
 	free(*pp);
     free(cargv);
+    free(filtercmd);
     data->fcmdsk = wrapsock(pipe);
     data->fcmdpid = pid;
     if(data->fcmdbuf != NULL)
@@ -1420,6 +1424,7 @@ static struct qcommand *unlinkqcmd(struct uidata *data)
     qcmd = data->queue;
     if(qcmd != NULL)
     {
+	data->queuesize--;
 	data->queue = qcmd->next;
 	if(qcmd == data->queuelast)
 	    data->queuelast = qcmd->next;
@@ -1610,6 +1615,7 @@ static void queuecmd(struct uidata *data, struct command *cmd, int argc, wchar_t
     data->queuelast = new;
     if(data->queue == NULL)
 	data->queue = new;
+    data->queuesize++;
 }
 
 static struct uidata *newuidata(struct socket *sk)
@@ -1802,6 +1808,11 @@ static void uiread(struct socket *sk, struct uidata *data)
 	    break;
 	}
     }
+    if(data->cbdata > 16384)
+    {
+	/* Kill clients that send us unreasonably long lines */
+	data->close = 1;
+    }
 }
 
 static void uierror(struct socket *sk, int err, struct uidata *data)
@@ -2399,6 +2410,15 @@ static int run(void)
 	    freequeuecmd(qcmd);
 	    return(1);
 	}
+	if(data->queuesize > 10)
+	{
+	    /* Clients should not be queue up commands at all, since
+	     * they should not send a new command before receiving a
+	     * reply to the previous command. Therefore, we
+	     * mercilessly massacre clients which are stacking up too
+	     * many commands. */
+	    data->close = 1;
+	}
     }
     return(0);
 }