int
read_utmp (char const *file, size_t *n_entries, STRUCT_UTMP **utmp_buf,
int options)
{
size_t n_read = 0;
size_t n_alloc = 0;
STRUCT_UTMP *utmp = NULL;
STRUCT_UTMP *u;
/* Ignore the return value for now.
Solaris' utmpname returns 1 upon success -- which is contrary
to what the GNU libc version does. In addition, older GNU libc
versions are actually void. */
UTMP_NAME_FUNCTION (file);
SET_UTMP_ENT ();
while ((u = GET_UTMP_ENT ()) != NULL)
if (desirable_utmp_entry (u, options))
{
if (n_read == n_alloc)
utmp = x2nrealloc (utmp, &n_alloc, sizeof *utmp);
utmp[n_read++] = *u;
}
END_UTMP_ENT ();
*n_entries = n_read;
*utmp_buf = utmp;
return 0;
}
int
read_utmp (const char *filename, int *n_entries, STRUCT_UTMP **utmp_buf)
{
int n_read;
STRUCT_UTMP *u;
STRUCT_UTMP *utmp = NULL;
/* Ignore the return value for now.
Solaris' utmpname returns 1 upon success -- which is contrary
to what the GNU libc version does. In addition, older GNU libc
versions are actually void. */
UTMP_NAME_FUNCTION (filename);
SET_UTMP_ENT ();
n_read = 0;
while ((u = GET_UTMP_ENT ()) != NULL)
{
++n_read;
utmp = (STRUCT_UTMP *) realloc (utmp, n_read * sizeof (STRUCT_UTMP));
if (utmp == NULL)
return 1;
utmp[n_read - 1] = *u;
}
END_UTMP_ENT ();
*n_entries = n_read;
*utmp_buf = utmp;
return 0;
}
void
wtmpxrawdump (const char *wtmpfile, const char *user)
{
STRUCT_UTMP *utp;
struct in_addr addr;
char *addr_string, *time_string;
if (access (wtmpfile, R_OK))
die (errno, "cannot access the file");
/* Ignore the return value for now.
Solaris' utmpname returns 1 upon success -- which is contrary
to what the GNU libc version does. In addition, older GNU libc
versions are actually void. */
UTMP_NAME_FUNCTION (wtmpfile);
SET_UTMP_ENT ();
while ((utp = GET_UTMP_ENT ()) != NULL)
{
if (user && strncmp (UT_USER (utp), user, sizeof (UT_USER (utp))))
continue;
/* FIXME: missing support for IPv6 */
#ifdef HAVE_UTP_UT_ADDR_V6
addr.s_addr = utp->ut_addr_v6[0];
#endif
addr_string = inet_ntoa (addr);
time_string = timetostr (UT_TIME_MEMBER (utp));
switch (utp->ut_type)
{
default:
/* Note: also catch EMPTY/UT_UNKNOWN values */
printf ("%-9s", "NONE");
break;
#ifdef RUN_LVL
/* Undefined on AIX if _ALL_SOURCE is false */
case RUN_LVL:
printf ("%-9s", "RUNLEVEL");
break;
#endif
case BOOT_TIME:
printf ("%-9s", "REBOOT");
break;
case OLD_TIME:
case NEW_TIME:
/* FIXME */
break;
case INIT_PROCESS:
printf ("%-9s", "INIT");
break;
case LOGIN_PROCESS:
printf ("%-9s", "LOGIN");
break;
case USER_PROCESS:
printf ("%-9.*s", sizeof (UT_USER (utp)), UT_USER (utp));
break;
case DEAD_PROCESS:
printf ("%-9s", "DEAD");
break;
#ifdef ACCOUNTING
/* Undefined on AIX if _ALL_SOURCE is false */
case ACCOUNTING:
printf ("%-9s", "ACCOUNT");
break;
#endif
}
/* pid */
UT_PID (utp) ? printf ("[%05d]", UT_PID (utp)) : printf ("[%5s]",
"-");
/* line id host addr date&time */
printf
(" [%-12.*s] [%-4.*s] [%-19.*s] [%-15.15s] [%-19.19s]\n",
sizeof (utp->ut_line), utp->ut_line,
sizeof (utp->ut_id), utp->ut_id,
sizeof (utp->ut_host), utp->ut_host, addr_string, time_string);
}
END_UTMP_ENT ();
}