From: Matthias Kruk <m@m10k.eu>
Date: Sat, 5 Oct 2019 07:22:14 +0000 (+0900)
Subject: Add sobind() function stub and call it from sys_bind()
X-Git-Url: https://git.corax.cc/?a=commitdiff_plain;h=e4b6c3d91a22b9921fbc356296889d661e200b52;p=corax

Add sobind() function stub and call it from sys_bind()
---

diff --git a/kernel/core/cxnet.c b/kernel/core/cxnet.c
index 2d0be44..36ab322 100644
--- a/kernel/core/cxnet.c
+++ b/kernel/core/cxnet.c
@@ -195,7 +195,7 @@ int sys_shutdown(int procfd, int how)
 		ret_val = process_flookup(cproc, procfd);
 
 		/* pass on the arguments to soshutdown(), if the lookup was successful */
-		if(!ret_val) {
+		if(ret_val >= 0) {
 			ret_val = soshutdown(ret_val, how);
 		}
 	}
@@ -214,10 +214,31 @@ int sys_poll(struct pollfd *fds, nfds_t nfds, int timeout)
 	return(-ENOSYS);
 }
 
-int sys_bind(int sockfd, const struct sockaddr *addr,
+int sys_bind(int procfd, const struct sockaddr *addr,
 			 socklen_t addrlen)
 {
-	return(-ENOSYS);
+	process_t *cproc;
+	int ret_val;
+
+	cproc = process_get_current();
+	ret_val = -EFAULT;
+
+	if(cproc) {
+		ret_val = process_flookup(cproc, procfd);
+
+		if(ret_val > 0) {
+			struct sockaddr kaddr;
+			socklen_t kaddrlen;
+
+			/* copy address structure to the kernel space */
+			kaddrlen = addrlen < sizeof(kaddr) ? addrlen : sizeof(kaddr);
+			process_memcpy_ptok(cproc, &kaddr, (void*)addr, kaddrlen);
+
+			ret_val = sobind(ret_val, &kaddr, kaddrlen);
+		}
+	}
+
+	return(ret_val);
 }
 
 int sys_cxnet(long arg0, long arg1, long arg2, long arg3, long arg4, long arg5, long arg6)
diff --git a/kernel/core/socket.c b/kernel/core/socket.c
index bde7f1d..5906da3 100644
--- a/kernel/core/socket.c
+++ b/kernel/core/socket.c
@@ -288,3 +288,8 @@ int soshutdown(int sockfd, int how)
 {
 	return(-ENOSYS);
 }
+
+int sobind(int sockfd, struct sockaddr *addr, socklen_t addrlen)
+{
+	return(-ENOSYS);
+}
diff --git a/kernel/core/socket.h b/kernel/core/socket.h
index e06a8c4..728e568 100644
--- a/kernel/core/socket.h
+++ b/kernel/core/socket.h
@@ -27,5 +27,6 @@ int sofree(int);
 int sosetopt(int, int, const void*, size_t);
 int sogetopt(int, int, void*, size_t*);
 int soshutdown(int, int);
+int sobind(int, struct sockaddr*, socklen_t);
 
 #endif /* __SOCKET_H */