From 198129e07ce4322b8f60c8e3b1062dc4ebabc083 Mon Sep 17 00:00:00 2001
From: Andre <maan@p133.(none)>
Date: Sun, 30 Apr 2006 02:33:30 +0200
Subject: [PATCH 1/1] net.c: fix ifdef UCRED madness

simply use ordinary recv_buffer()/send_buffer() in case ucred is
not available.
---
 net.c | 26 ++++++++++++++------------
 1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/net.c b/net.c
index 0aaa428d..5b754111 100644
--- a/net.c
+++ b/net.c
@@ -28,12 +28,6 @@ extern void (*crypt_function_recv)(unsigned long len, const unsigned char *indat
 extern void (*crypt_function_send)(unsigned long len, const unsigned char *indata, unsigned char *outdata);
 
 
-#ifndef HAVE_UCRED
-	struct ucred {
-	uid_t uid, pid, gid;
-};
-#endif /* HAVE_UCRED */
-
 /**
  * initialize a struct sockaddr_in
  * @param addr A pointer to the struct to be initialized
@@ -338,6 +332,19 @@ int create_pf_socket(const char *name, struct sockaddr_un *unix_addr, int mode)
 	return fd;
 }
 
+#ifndef HAVE_UCRED
+	struct ucred {
+	uid_t uid, pid, gid;
+};
+ssize_t send_cred_buffer(int sock, char *buf)
+{
+	return send_buffer(sock, buf);
+}
+int recv_cred_buffer(int fd, char *buf, size_t size)
+{
+	return recv_buffer(fd, buf, size) > 0? 1 : -E_RECVMSG;
+}
+#else HAVE_UCRED
 /**
  * send NULL terminated buffer and Unix credentials of the current process
  *
@@ -370,7 +377,6 @@ ssize_t send_cred_buffer(int sock, char *buf)
 	msg.msg_iovlen = 1;
 	msg.msg_control = control;
 	msg.msg_controllen = sizeof(control);
-#ifdef HAVE_UCRED
 	/* attach the ucred struct */
 	cmsg = CMSG_FIRSTHDR(&msg);
 	cmsg->cmsg_level = SOL_SOCKET;
@@ -378,7 +384,6 @@ ssize_t send_cred_buffer(int sock, char *buf)
 	cmsg->cmsg_len = CMSG_LEN(sizeof(struct ucred));
 	*(struct ucred *)CMSG_DATA(cmsg) = c;
 	msg.msg_controllen = cmsg->cmsg_len;
-#endif
 	ret = sendmsg(sock, &msg, 0);
 	if (ret  < 0)
 		ret = -E_SENDMSG;
@@ -415,9 +420,7 @@ int recv_cred_buffer(int fd, char *buf, size_t size)
 	int yes = 1;
 	struct ucred cred;
 
-#ifdef HAVE_UCRED
 	setsockopt(fd, SOL_SOCKET, SO_PASSCRED, &yes, sizeof(int));
-#endif
 	memset(&msg, 0, sizeof(msg));
 	memset(buf, 0, size);
 	iov.iov_base = buf;
@@ -428,7 +431,6 @@ int recv_cred_buffer(int fd, char *buf, size_t size)
 	msg.msg_controllen = sizeof(control);
 	if (recvmsg(fd, &msg, 0) < 0)
 		return -E_RECVMSG;
-#ifdef HAVE_UCRED
 	result = -E_SCM_CREDENTIALS;
 	cmsg = CMSG_FIRSTHDR(&msg);
 	while (cmsg) {
@@ -445,9 +447,9 @@ int recv_cred_buffer(int fd, char *buf, size_t size)
 			}
 		cmsg = CMSG_NXTHDR(&msg, cmsg);
 	}
-#endif
 	return result;
 }
+#endif /* HAVE_UCRED */
 
 /** how many pending connections queue will hold */
 #define BACKLOG 10
-- 
2.39.2