| /* vi: set sw=4 ts=4: */ |
| /* |
| * Mini ps implementation(s) for busybox |
| * |
| * Copyright (C) 1999-2003 by Erik Andersen <andersen@codepoet.org> |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the Free |
| * Software Foundation; either version 2 of the License, or (at your option) |
| * any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * this program; if not, write to the Free Software Foundation, Inc., 59 Temple |
| * Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <dirent.h> |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <ctype.h> |
| #include <string.h> |
| #include <termios.h> |
| #include <sys/ioctl.h> |
| #include "busybox.h" |
| #ifdef CONFIG_SELINUX |
| #include <fs_secure.h> |
| #include <ss.h> |
| #include <flask_util.h> /* for is_flask_enabled() */ |
| #endif |
| |
| static const int TERMINAL_WIDTH = 79; /* not 80 in case terminal has linefold bug */ |
| |
| |
| |
| extern int ps_main(int argc, char **argv) |
| { |
| procps_status_t * p; |
| int i, len; |
| int terminal_width = TERMINAL_WIDTH; |
| |
| #ifdef CONFIG_SELINUX |
| int use_selinux = 0; |
| security_id_t sid; |
| if(is_flask_enabled() && argv[1] && !strcmp(argv[1], "-c") ) |
| use_selinux = 1; |
| #endif |
| |
| get_terminal_width_height(0, &terminal_width, NULL); |
| /* Go one less... */ |
| terminal_width--; |
| |
| #ifdef CONFIG_SELINUX |
| if(use_selinux) |
| printf(" PID Context Stat Command\n"); |
| else |
| #endif |
| printf(" PID Uid VmSize Stat Command\n"); |
| #ifdef CONFIG_SELINUX |
| while ((p = procps_scan(1, use_selinux, &sid)) != 0) { |
| #else |
| while ((p = procps_scan(1)) != 0) { |
| #endif |
| char *namecmd = p->cmd; |
| |
| #ifdef CONFIG_SELINUX |
| if(use_selinux) |
| { |
| char sbuf[128]; |
| len = sizeof(sbuf); |
| if(security_sid_to_context(sid, (security_context_t)&sbuf, &len)) |
| strcpy(sbuf, "unknown"); |
| |
| len = printf("%5d %-32s %s ", p->pid, sbuf, p->state); |
| } |
| else |
| #endif |
| if(p->rss == 0) |
| len = printf("%5d %-8s %s ", p->pid, p->user, p->state); |
| else |
| len = printf("%5d %-8s %6ld %s ", p->pid, p->user, p->rss, p->state); |
| i = terminal_width-len; |
| |
| if(namecmd != 0 && namecmd[0] != 0) { |
| if(i < 0) |
| i = 0; |
| if(strlen(namecmd) > i) |
| namecmd[i] = 0; |
| printf("%s\n", namecmd); |
| } else { |
| namecmd = p->short_cmd; |
| if(i < 2) |
| i = 2; |
| if(strlen(namecmd) > (i-2)) |
| namecmd[i-2] = 0; |
| printf("[%s]\n", namecmd); |
| } |
| free(p->cmd); |
| } |
| return EXIT_SUCCESS; |
| } |
| |