void display_process(struct p_tab *pp, int i)
{
int j;
if (outflags & OF_F)
fputs("0 ", stdout);
if (outflags & OF_S) {
putchar(mapstat(pp->p_status));
putchar(' ');
}
if (outflags & OF_UID)
printf("%5d ", pp->p_uid);
if (outflags & OF_PID)
printf("%5d ", pp->p_pid);
if (outflags & OF_PPID)
printf("%5d ", ptab[ppid_slot[i]].p_tab.p_pid);
if (outflags & OF_C)
fputs(" 0 ", stdout);
if (outflags & OF_PRI)
printf("%3d ", pp->p_priority);
if (outflags & OF_NI)
printf("%3d ", pp->p_nice);
if (outflags & OF_ADDR)
fputs(" - ", stdout);
if (outflags & OF_SZ)
fputs(" - ", stdout);
if (outflags & OF_WCHAN) {
if (pp->p_status > 2)
printf("%5d ", (unsigned int)pp->p_wait);
else
fputs(" - ", stdout);
}
/* We need to sort out the whole kernel and user handling of
times in ptab verus udata here */
if (outflags & OF_STIME)
fputs("00:00 ", stdout); /* FIXME */
if (outflags & OF_TTY) {
if (!pp->p_tty)
fputs(" ? ", stdout);
else
printf("%6s ", ttyshortname(pp->p_tty));
}
if (outflags & OF_TIME)
fputs("00:00:00 ", stdout); /* FIXME */
if (outflags & OF_CMD) {
char name[9];
strncpy(name, pp->p_name, 8);
name[8] = '\0';
for (j = 0; j < 8; ++j) {
if (name[j] != 0)
if (name[j] < ' ' || name[j] > 126)
name[j] = '?';
}
fputs(name, stdout);
if (pp->p_status == P_ZOMBIE)
fputs(" <defunct>", stdout);
putchar('\n');
}
}
int do_ps(void)
{
int i, j, uid, pfd, ptsize, nodesize;
struct passwd *pwd;
struct p_tab_buffer *ppbuf;
struct p_tab *pp;
static struct p_tab_buffer ptab[PTABSIZE];
static int ppid_slot[PTABSIZE];
static char name[10], uname[20];
uid = getuid();
if ((pfd = open("/dev/proc", O_RDONLY)) < 0) {
perror("ps");
return 1;
}
if (ioctl(pfd, 2, (char *) &nodesize) != 0) {
perror("ioctl");
close(pfd);
return 1;
}
if (nodesize > sizeof(struct p_tab_buffer)) {
fprintf(stderr, "kernel/user include mismatch.\n");
exit(1);
}
if (ioctl(pfd, 1, (char *) &ptsize) != 0) {
perror("ioctl");
close(pfd);
return 1;
}
if (ptsize > PTABSIZE) ptsize = PTABSIZE;
for (i = 0; i < ptsize; ++i) {
if (read(pfd, (char * ) &ptab[i], nodesize) != nodesize) {
fprintf(stderr, "ps: error reading from /dev/proc\n");
close(pfd);
return 1;
}
ppid_slot[i] = ptab[i].p_tab.p_pptr - ptab[0].p_tab.p_pptr;
}
close(pfd);
if (!(flags & F_h)) {
if (flags & F_n)
printf(" PID\t PPID\t UID\tSTAT\tWCHAN\tALARM\tCOMMAND\n");
else
printf("USER\t PID\t PPID\tSTAT\tWCHAN\tALARM\tCOMMAND\n");
}
for (ppbuf = ptab, i = 0; i < ptsize; ++i, ++ppbuf) {
pp = &ppbuf->p_tab;
if (pp->p_status == 0)
continue;
if ((flags & F_r) &&
(pp->p_status != P_RUNNING && pp->p_status != P_READY))
continue;
if (!(flags & F_a) && (pp->p_uid != uid))
continue;
strncpy(name, pp->p_name, 8);
name[8] = '\0';
for (j = 0; j < 8; ++j) {
if (name[j] != 0)
if (name[j] < ' ') name[j] = '?';
}
if (flags & F_n) {
printf("%5d\t%5d\t%5d\t%s\t%04x\t%-5d\t%s\n",
pp->p_pid, ptab[ppid_slot[i]].p_tab.p_pid, pp->p_uid,
mapstat(pp->p_status), pp->p_wait, pp->p_alarm,
name);
} else {
pwd = getpwuid(pp->p_uid);
if (pwd)
strcpy(uname, pwd->pw_name);
else
sprintf(uname, "%d", pp->p_uid);
printf("%s\t%5d\t%5d\t%s\t%04x\t%-5d\t%s\n",
uname, pp->p_pid, ptab[ppid_slot[i]].p_tab.p_pid,
mapstat(pp->p_status), pp->p_wait, pp->p_alarm,
name);
}
}
return 0;
}
int
do_test(char *input_buf)
{
int argc, seal_argc;
char **argv, **argv_array;
char *cmd;
int i, bufsize = 512;
char str_buf[512];
utf8string str;
uid_t uid;
gid_t gid;
int stat;
argv = 0;
if (parse_input_line(input_buf, &argc, &argv) == 0) {
printf(gettext("\n"));
return (1);
}
/*
* remember argv_array address, which is memory calloc'd by
* parse_input_line, so it can be free'd at the end of the loop.
*/
argv_array = argv;
if (argc < 1) {
usage();
free(argv_array);
return (0);
}
cmd = argv[0];
if (strcmp(cmd, "str2uid") == 0) {
if (argc < 2) {
usage();
free(argv_array);
return (0);
}
str.utf8string_val = argv[1];
str.utf8string_len = strlen(argv[1]);
stat = nfs_idmap_str_uid(&str, &uid);
printf(gettext("%d stat=%s \n"), uid, mapstat(stat));
} else if (strcmp(cmd, "str2gid") == 0) {
if (argc < 2) {
usage();
free(argv_array);
return (0);
}
str.utf8string_val = argv[1];
str.utf8string_len = strlen(argv[1]);
stat = nfs_idmap_str_gid(&str, &gid);
printf(gettext("%d stat=%s \n"), gid, mapstat(stat));
} else if (strcmp(cmd, "uid2str") == 0) {
if (argc < 2) {
usage();
free(argv_array);
return (0);
}
uid = atoi(argv[1]);
bzero(str_buf, bufsize);
str.utf8string_val = str_buf;
stat = nfs_idmap_uid_str(uid, &str);
printf(gettext("%s stat=%s\n"), str.utf8string_val,
mapstat(stat));
} else if (strcmp(cmd, "gid2str") == 0) {
if (argc < 2) {
usage();
free(argv_array);
return (0);
}
gid = atoi(argv[1]);
bzero(str_buf, bufsize);
str.utf8string_val = str_buf;
stat = nfs_idmap_gid_str(gid, &str);
printf(gettext("%s stat=%s\n"), str.utf8string_val,
mapstat(stat));
} else if (strcmp(cmd, "echo") == 0) {
for (i = 1; i < argc; i++)
printf("%s ", argv[i]);
printf("\n");
} else if (strcmp(cmd, "exit") == 0 ||
strcmp(cmd, "quit") == 0) {
printf(gettext("\n"));
free(argv_array);
return (1);
} else
usage();
/* free argv array */
free(argv_array);
return (0);
}
void display_process(struct p_tab *pp, int i)
{
int j;
if (outflags & OF_F)
fputs("0 ", stdout);
if (outflags & OF_S) {
putchar(mapstat(pp->p_status));
putchar(' ');
}
if (outflags & OF_UID)
printf("%5d ", pp->p_uid);
if (outflags & OF_PID)
printf("%5d ", pp->p_pid);
if (outflags & OF_PPID)
printf("%5d ", ptab[ppid_slot[i]].p_tab.p_pid);
if (outflags & OF_C)
fputs(" 0 ", stdout);
if (outflags & OF_PRI)
printf("%3d ", pp->p_priority);
if (outflags & OF_NI)
printf("%3d ", pp->p_nice);
if (outflags & OF_ADDR)
fputs(" - ", stdout);
if (outflags & OF_SZ)
fputs(" - ", stdout);
if (outflags & OF_WCHAN) {
if (pp->p_status > 2)
printf("%5d ", (unsigned int)pp->p_wait);
else
fputs(" - ", stdout);
}
/* We need to sort out the whole kernel and user handling of
times in ptab verus udata here */
if (outflags & OF_STIME) {
uint32_t t;
t = time(NULL) - pp->p_stime;
if ((t - pp->p_stime) > 86400)
printf("%02day ", t / 86400);
else {
struct tm *tm;
time_t x = pp->p_stime;
tm = localtime(&x);
printf("%02d:%02d ",
tm->tm_hour, tm->tm_min);
}
}
if (outflags & OF_TTY) {
if (!pp->p_tty)
fputs(" ? ", stdout);
else
printf("%6s ", ttyshortname(pp->p_tty));
}
if (outflags & OF_TIME) {
/* cstime/cutime or ctime/utime ? */
uint32_t c = pp->p_cstime + pp->p_cutime;
uint8_t secs = c % 60;
uint8_t mins;
c -= secs;
c /= 60;
mins = c % 60;
c -= mins;
c /= 60;
/* What to do if we exceed 99 hours ? */
printf("%02d:%02d:%02d ",
c, mins, secs);
}
if (outflags & OF_CMD) {
char name[9];
strncpy(name, pp->p_name, 8);
name[8] = '\0';
for (j = 0; j < 8; ++j) {
if (name[j] != 0)
if (name[j] < ' ' || name[j] > 126)
name[j] = '?';
}
fputs(name, stdout);
if (pp->p_status == P_ZOMBIE)
fputs(" <defunct>", stdout);
putchar('\n');
}
}