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 (); }