1 files changed, 109 insertions, 0 deletions

diff --git a/busybox/procps/ps.c b/busybox/procps/ps.c
new file mode 100644
index 000000000..0b603314d
--- /dev/null
+++ b/busybox/procps/ps.c
@@ -0,0 +1,109 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini ps implementation(s) for busybox
+ *
+ * Copyright (C) 1999-2004 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;
+}
+