/* Variant B: VALID sa_len to isolate whether smb_iod_request crash is
 * pre-existing (independent of the DF-0600 sa_len bug). Uses a proper
 * sockaddr_in (sa_len=16) with matching ioc_svlen=16, plus a local addr. */
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include "smb_dev.h"
int main(void){
	struct smbioc_ossn ssn;
	struct sockaddr_in sin, lin;
	int fd = open("/dev/nsmb", O_RDWR);
	if (fd<0){perror("open");return 2;}
	memset(&sin,0,sizeof(sin)); sin.sin_len=sizeof(sin); sin.sin_family=AF_INET;
	sin.sin_addr.s_addr=htonl(INADDR_LOOPBACK);
	memset(&lin,0,sizeof(lin)); lin.sin_len=sizeof(lin); lin.sin_family=AF_INET;
	memset(&ssn,0,sizeof(ssn));
	ssn.ioc_opt=SMBVOPT_CREATE;
	ssn.ioc_server=(struct sockaddr*)&sin; ssn.ioc_svlen=sizeof(sin);
	ssn.ioc_local=(struct sockaddr*)&lin;  ssn.ioc_lolen=sizeof(lin);
	ssn.ioc_timeout=1; ssn.ioc_retrycount=0;
	strlcpy(ssn.ioc_user,"t",sizeof(ssn.ioc_user));
	strlcpy(ssn.ioc_localcs,"UTF-8",sizeof(ssn.ioc_localcs));
	strlcpy(ssn.ioc_servercs,"UTF-8",sizeof(ssn.ioc_servercs));
	printf("[*] VALID sa_len=%d svlen=%d\n", ssn.ioc_svlen, sin.sin_len);
	int rc=ioctl(fd,SMBIOC_OPENSESSION,&ssn);
	printf("[*] rc=%d errno=%d (%s)\n",rc,errno,rc?strerror(errno):"ok");
	close(fd);
	return 0;
}