X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=net.c;h=4d2f520f23170aef7f84e4aeea52c43616400266;hp=9ca5ceac95bc47f1b3becf71d83318894f8a719a;hb=67f005d3ea1afbc498feddb70977f4c8252351e0;hpb=adbf9f09c9bf2a680c61b1ef3541c04f1cde97cf

diff --git a/net.c b/net.c
index 9ca5ceac..4d2f520f 100644
--- a/net.c
+++ b/net.c
@@ -20,9 +20,9 @@
 
 #include "para.h"
 #include "net.h"
+#include "string.h"
 #include <netdb.h>
 #include "error.h"
-#include "string.h"
 
 extern void (*crypt_function_recv)(unsigned long len, const unsigned char *indata, unsigned char *outdata);
 extern void (*crypt_function_send)(unsigned long len, const unsigned char *indata, unsigned char *outdata);
@@ -392,10 +392,12 @@ static void dispose_fds(int *fds, int num)
  * \param size the size of \a buffer
  * \param cred the credentials are returned here
  *
+ * \return negative on errors, the user id on success.
+ *
  * \sa okir's Black Hats Manual
  * \sa recvmsg(2)
  */
-int recv_cred_buffer(int fd, char *buf, size_t size, struct ucred *cred)
+int recv_cred_buffer(int fd, char *buf, size_t size)
 {
 	char control[255];
 	struct msghdr msg;
@@ -403,6 +405,7 @@ int recv_cred_buffer(int fd, char *buf, size_t size, struct ucred *cred)
 	struct iovec iov;
 	int result;
 	int yes = 1;
+	struct ucred cred;
 
 	setsockopt(fd, SOL_SOCKET, SO_PASSCRED, &yes, sizeof(int));
 	memset(&msg, 0, sizeof(msg));
@@ -415,13 +418,13 @@ int recv_cred_buffer(int fd, char *buf, size_t size, struct ucred *cred)
 	msg.msg_controllen = sizeof(control);
 	if (recvmsg(fd, &msg, 0) < 0)
 		return -E_RECVMSG;
-	result = -SCM_CREDENTIALS;
+	result = -E_SCM_CREDENTIALS;
 	cmsg = CMSG_FIRSTHDR(&msg);
 	while (cmsg) {
 		if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type
 				== SCM_CREDENTIALS) {
-			memcpy(cred, CMSG_DATA(cmsg), sizeof(struct ucred));
-			result = iov.iov_len;
+			memcpy(&cred, CMSG_DATA(cmsg), sizeof(struct ucred));
+			result = cred.uid;
 		} else
 			if (cmsg->cmsg_level == SOL_SOCKET
 					&& cmsg->cmsg_type == SCM_RIGHTS) {