initial commit

1 files changed, 47 insertions, 0 deletions

diff --git a/src/client.c b/src/client.c
new file mode 100644
index 0000000..e907172
--- /dev/null
+++ b/src/client.c
@@ -0,0 +1,47 @@
+#include "netcosm.h"
+
+int client_fd;
+
+void __attribute__((format(printf,1,2))) out(const char *fmt, ...)
+{
+    char buf[128];
+    memset(buf, 0, sizeof(buf));
+    va_list ap;
+    va_start(ap, fmt);
+    vsnprintf(buf, sizeof(buf), fmt, ap);
+    va_end(ap);
+    write(client_fd, buf, sizeof(buf));
+}
+
+char *client_read(void)
+{
+    static char buf[128];
+    if(read(client_fd, buf, sizeof(buf) - 1) < 0)
+    {
+        error("lost connection");
+        exit(EXIT_FAILURE);
+    }
+    buf[sizeof(buf) - 1] = '\0';
+    const unsigned char ctrlc[] = { 0xff, 0xf4, 0xff, 0xfd, 0x06 };
+
+    if(!memcmp(buf, ctrlc, sizeof(ctrlc)))
+        exit(0);
+
+    return buf;
+}
+
+void client_main(int fd, struct sockaddr_in *addr, int total)
+{
+    client_fd = fd;
+
+    bool admin = false;
+
+    char *ip = inet_ntoa(addr->sin_addr);
+    printf("New client %s\n", ip);
+    printf("Total clients: %d\n", total);
+    out("Hello %s.\n", ip);
+    out("Please authenticate to continue.\n");
+    out("login: ");
+    char *input = client_read();
+
+}