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[vsys-wrappers.git] / fuse / fdpass.c

diff --git a/fuse/fdpass.c b/fuse/fdpass.c
deleted file mode 100644 (file)
index 5548064..0000000
--- a/fuse/fdpass.c
+++ /dev/null
@@ -1,93 +0,0 @@
-// Modified version of library functions in FUSE
-//
-
-#include <assert.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/mount.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-
-int send_fd(int sock_fd, int fd)
-{
-       int retval;
-       struct msghdr msg;
-       struct cmsghdr *p_cmsg;
-       struct iovec vec;
-       size_t cmsgbuf[CMSG_SPACE(sizeof(fd)) / sizeof(size_t)];
-       int *p_fds;
-       char sendchar = 0;
-
-       msg.msg_control = cmsgbuf;
-       msg.msg_controllen = sizeof(cmsgbuf);
-       p_cmsg = CMSG_FIRSTHDR(&msg);
-       p_cmsg->cmsg_level = SOL_SOCKET;
-       p_cmsg->cmsg_type = SCM_RIGHTS;
-       p_cmsg->cmsg_len = CMSG_LEN(sizeof(fd));
-       p_fds = (int *) CMSG_DATA(p_cmsg);
-       *p_fds = fd;
-       msg.msg_controllen = p_cmsg->cmsg_len;
-       msg.msg_name = NULL;
-       msg.msg_namelen = 0;
-       msg.msg_iov = &vec;
-       msg.msg_iovlen = 1;
-       msg.msg_flags = 0;
-       /* "To pass file descriptors or credentials you need to send/read at
-        * least one byte" (man 7 unix) */
-       vec.iov_base = &sendchar;
-       vec.iov_len = sizeof(sendchar);
-       while ((retval = sendmsg(sock_fd, &msg, 0)) == -1 && errno == EINTR);
-       if (retval != 1) {
-               perror("sending file descriptor");
-               return -1;
-       }
-       return 0;
-}
-
-
-/* return value:
- * >= 0         => fd
- * -1   => error
- */
-int receive_fd(int fd)
-{
-       struct msghdr msg;
-       struct iovec iov;
-       char buf[1];
-       int rv;
-       size_t ccmsg[CMSG_SPACE(sizeof(int)) / sizeof(size_t)];
-       struct cmsghdr *cmsg;
-
-       iov.iov_base = buf;
-       iov.iov_len = 1;
-
-       msg.msg_name = 0;
-       msg.msg_namelen = 0;
-       msg.msg_iov = &iov;
-       msg.msg_iovlen = 1;
-       /* old BSD implementations should use msg_accrights instead of
-        * msg_control; the interface is different. */
-       msg.msg_control = ccmsg;
-       msg.msg_controllen = sizeof(ccmsg);
-
-       while(((rv = recvmsg(fd, &msg, 0)) == -1) && errno == EINTR);
-       if (rv == -1) {
-               perror("recvmsg");
-               return -1;
-       }
-       if(!rv) {
-               /* EOF */
-               return -1;
-       }
-
-       cmsg = CMSG_FIRSTHDR(&msg);
-       if (!cmsg->cmsg_type == SCM_RIGHTS) {
-               fprintf(stderr, "got control message of unknown type %d\n",
-                       cmsg->cmsg_type);
-               return -1;
-       }
-       return *(int*)CMSG_DATA(cmsg);
-}
-