Clean up packet size types and add some paranoia

None of this should fix an exploit, it's just healthy paranoia.

1 files changed, 6 insertions, 6 deletions

diff --git a/daemon/client.c b/daemon/client.c
index 5498586..4f44bcc 100644
--- a/daemon/client.c
+++ b/daemon/client.c
@@ -52,11 +52,11 @@ enum client_state {
 struct mux_client {
         int fd;
         unsigned char *ob_buf;
-        int ob_size;
-        int ob_capacity;
+        uint32_t ob_size;
+        uint32_t ob_capacity;
         unsigned char *ib_buf;
-        int ib_size;
-        int ib_capacity;
+        uint32_t ib_size;
+        uint32_t ib_capacity;
         short events, devents;
         uint32_t connect_tag;
         int connect_device;
@@ -65,7 +65,7 @@ struct mux_client {
 
 static struct collection client_list;
 
-int client_read(struct mux_client *client, void *buffer, int len)
+int client_read(struct mux_client *client, void *buffer, uint32_t len)
 {
         usbmuxd_log(LL_SPEW, "client_read fd %d buf %p len %d", client->fd, buffer, len);
         if(client->state != CLIENT_CONNECTED) {
@@ -75,7 +75,7 @@ int client_read(struct mux_client *client, void *buffer, int len)
         return recv(client->fd, buffer, len, 0);
 }
 
-int client_write(struct mux_client *client, void *buffer, int len)
+int client_write(struct mux_client *client, void *buffer, uint32_t len)
 {
         usbmuxd_log(LL_SPEW, "client_write fd %d buf %p len %d", client->fd, buffer, len);
         if(client->state != CLIENT_CONNECTED) {