#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
+#include <fcntl.h>
#include <sys/time.h>
#include "init.h"
#include "user.h"
-#include "kern_util.h"
#include "os.h"
#define TTY_LOG_DIR "./"
#define TTY_LOG_OPEN 1
#define TTY_LOG_CLOSE 2
#define TTY_LOG_WRITE 3
-#define TTY_LOG_EXEC 4
-
-#define TTY_READ 1
-#define TTY_WRITE 2
struct tty_log_buf {
int what;
unsigned long tty;
int len;
- int direction;
- unsigned long sec;
- unsigned long usec;
};
-int open_tty_log(void *tty, void *current_tty)
+int open_tty_log(void *tty)
{
struct timeval tv;
struct tty_log_buf data;
char buf[strlen(tty_log_dir) + sizeof("01234567890-01234567\0")];
int fd;
- gettimeofday(&tv, NULL);
if(tty_log_fd != -1){
- data = ((struct tty_log_buf) { .what = TTY_LOG_OPEN,
- .tty = (unsigned long) tty,
- .len = sizeof(current_tty),
- .direction = 0,
- .sec = tv.tv_sec,
- .usec = tv.tv_usec } );
- os_write_file(tty_log_fd, &data, sizeof(data));
- os_write_file(tty_log_fd, ¤t_tty, data.len);
+ data = ((struct tty_log_buf) { what : TTY_LOG_OPEN,
+ tty : (unsigned long) tty,
+ len : 0 });
+ write(tty_log_fd, &data, sizeof(data));
return(tty_log_fd);
}
+ gettimeofday(&tv, NULL);
sprintf(buf, "%s/%0u-%0u", tty_log_dir, (unsigned int) tv.tv_sec,
(unsigned int) tv.tv_usec);
void close_tty_log(int fd, void *tty)
{
struct tty_log_buf data;
- struct timeval tv;
if(tty_log_fd != -1){
- gettimeofday(&tv, NULL);
- data = ((struct tty_log_buf) { .what = TTY_LOG_CLOSE,
- .tty = (unsigned long) tty,
- .len = 0,
- .direction = 0,
- .sec = tv.tv_sec,
- .usec = tv.tv_usec } );
- os_write_file(tty_log_fd, &data, sizeof(data));
+ data = ((struct tty_log_buf) { what : TTY_LOG_CLOSE,
+ tty : (unsigned long) tty,
+ len : 0 });
+ write(tty_log_fd, &data, sizeof(data));
return;
}
- os_close_file(fd);
+ close(fd);
}
-static int log_chunk(int fd, const char *buf, int len)
+int write_tty_log(int fd, char *buf, int len, void *tty)
{
- int total = 0, try, missed, n;
- char chunk[64];
-
- while(len > 0){
- try = (len > sizeof(chunk)) ? sizeof(chunk) : len;
- missed = copy_from_user_proc(chunk, (char *) buf, try);
- try -= missed;
- n = os_write_file(fd, chunk, try);
- if(n != try) {
- if(n < 0)
- return(n);
- return(-EIO);
- }
- if(missed != 0)
- return(-EFAULT);
-
- len -= try;
- total += try;
- buf += try;
- }
-
- return(total);
-}
-
-int write_tty_log(int fd, const char *buf, int len, void *tty, int is_read)
-{
- struct timeval tv;
struct tty_log_buf data;
- int direction;
if(fd == tty_log_fd){
- gettimeofday(&tv, NULL);
- direction = is_read ? TTY_READ : TTY_WRITE;
- data = ((struct tty_log_buf) { .what = TTY_LOG_WRITE,
- .tty = (unsigned long) tty,
- .len = len,
- .direction = direction,
- .sec = tv.tv_sec,
- .usec = tv.tv_usec } );
- os_write_file(tty_log_fd, &data, sizeof(data));
+ data = ((struct tty_log_buf) { what : TTY_LOG_WRITE,
+ tty : (unsigned long) tty,
+ len : len });
+ write(tty_log_fd, &data, sizeof(data));
}
-
- return(log_chunk(fd, buf, len));
+ return(write(fd, buf, len));
}
-void log_exec(char **argv, void *tty)
-{
- struct timeval tv;
- struct tty_log_buf data;
- char **ptr,*arg;
- int len;
-
- if(tty_log_fd == -1) return;
-
- gettimeofday(&tv, NULL);
-
- len = 0;
- for(ptr = argv; ; ptr++){
- if(copy_from_user_proc(&arg, ptr, sizeof(arg)))
- return;
- if(arg == NULL) break;
- len += strlen_user_proc(arg);
- }
-
- data = ((struct tty_log_buf) { .what = TTY_LOG_EXEC,
- .tty = (unsigned long) tty,
- .len = len,
- .direction = 0,
- .sec = tv.tv_sec,
- .usec = tv.tv_usec } );
- os_write_file(tty_log_fd, &data, sizeof(data));
-
- for(ptr = argv; ; ptr++){
- if(copy_from_user_proc(&arg, ptr, sizeof(arg)))
- return;
- if(arg == NULL) break;
- log_chunk(tty_log_fd, arg, strlen_user_proc(arg));
- }
-}
-
-extern void register_tty_logger(int (*opener)(void *, void *),
- int (*writer)(int, const char *, int,
- void *, int),
- void (*closer)(int, void *));
-
-static int register_logger(void)
-{
- register_tty_logger(open_tty_log, write_tty_log, close_tty_log);
- return(0);
-}
-
-__uml_initcall(register_logger);
-
static int __init set_tty_log_dir(char *name, int *add)
{
tty_log_dir = name;
tty_log_fd = strtoul(name, &end, 0);
if((*end != '\0') || (end == name)){
- printf("set_tty_log_fd - strtoul failed on '%s'\n", name);
+ printk("set_tty_log_fd - strtoul failed on '%s'\n", name);
tty_log_fd = -1;
}
-
- *add = 0;
return 0;
}