ssize_t recvmsg(int sockfd, struct msghdr *msg, int flags)
{
_recvmsg = ( ssize_t (*) (int sockfd, struct msghdr *msg, int flags) ) dlsym(RTLD_NEXT, "recvmsg");
char *errormsg;
errormsg = dlerror();
if (errormsg != NULL)
{
PRINT_DEBUG("\n failed to load the original symbol %s", errormsg);
}
PRINT_DEBUG ("sockfd got into recvmsg = %d",sockfd);
if (checkFinsHistory(getpid(),sockfd) != 0)
{
return ( fins_recvmsg(sockfd, msg,flags) );
}
else
{
PRINT_DEBUG("The original recvmsg should not be called ,something is WRONG!!!");
return (_recvmsg(sockfd, msg,flags));
}
} // end of recvmsg
ssize_t
recvmsg(int sockfd, struct msghdr * msg, int flags)
{
libc_func(recvmsg, int, int, struct msghdr *, int);
ssize_t ret = _recvmsg(sockfd, msg, flags);
netlink_recvmsg(sockfd, msg, flags, ret);
return ret;
}
static int
__msgread(int sock, void *buf, size_t cnt)
{
struct iovec iov[1];
struct msghdr msg;
union {
struct cmsghdr cmsg;
char control[CMSG_SPACE(sizeof(struct cmsgcred))];
} cm;
bzero((char *)&cm, sizeof(cm));
iov[0].iov_base = buf;
iov[0].iov_len = cnt;
msg.msg_iov = iov;
msg.msg_iovlen = 1;
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_control = (caddr_t)&cm;
msg.msg_controllen = CMSG_SPACE(sizeof(struct cmsgcred));
msg.msg_flags = 0;
return(_recvmsg(sock, &msg, 0));
}
