--- /dev/null
+/* GNU's pinky.
+ Copyright (C) 92, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.
+
+ 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, 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. */
+
+/* Created by hacking who.c by Kaveh Ghazi ghazi@caip.rutgers.edu */
+
+#include <config.h>
+#include <getopt.h>
+#include <pwd.h>
+
+#include "system.h"
+#include "error.h"
+#include "readutmp.h"
+
+#ifndef MAXHOSTNAMELEN
+# define MAXHOSTNAMELEN 64
+#endif
+
+#ifndef S_IWGRP
+# define S_IWGRP 020
+#endif
+
+int gethostname ();
+char *ttyname ();
+char *xmalloc ();
+
+/* The name this program was run with. */
+const char *program_name;
+
+/* If nonzero, display usage information and exit. */
+static int show_help;
+
+/* If nonzero, print the version on standard output and exit. */
+static int show_version;
+
+/* If nonzero, display the hours:minutes since each user has touched
+ the keyboard, or blank if within the last minute, or days followed
+ by a 'd' if not within the last day. */
+static int include_idle = 1;
+
+/* If nonzero, display a line at the top describing each field. */
+static int include_heading = 1;
+
+/* if nonzero, display the user's full name from pw_gecos. */
+static int include_fullname = 1;
+
+/* if nonzero, display the user's ~/.project file when doing long format. */
+static int include_project = 1;
+
+/* if nonzero, display the user's ~/.plan file when doing long format. */
+static int include_plan = 1;
+
+/* if nonzero, display the user's home directory and shell
+ when doing long format. */
+static int include_home_and_shell = 1;
+
+/* if nonzero, use the "short" output format. */
+static int do_short_format = 1;
+
+/* if nonzero, display the ut_host field. */
+#ifdef HAVE_UT_HOST
+static int include_where = 1;
+#endif
+
+static struct option const longopts[] =
+{
+ {"help", no_argument, &show_help, 1},
+ {"version", no_argument, &show_version, 1},
+ {NULL, 0, NULL, 0}
+};
+
+/* Return a string representing the time between WHEN and the time
+ that this function is first run. */
+
+static const char *
+idle_string (time_t when)
+{
+ static time_t now = 0;
+ static char idle_hhmm[10];
+ time_t seconds_idle;
+
+ if (now == 0)
+ time (&now);
+
+ seconds_idle = now - when;
+ if (seconds_idle < 60) /* One minute. */
+ return " ";
+ if (seconds_idle < (24 * 60 * 60)) /* One day. */
+ {
+ sprintf (idle_hhmm, "%02d:%02d",
+ (int) (seconds_idle / (60 * 60)),
+ (int) ((seconds_idle % (60 * 60)) / 60));
+ return (const char *) idle_hhmm;
+ }
+ sprintf(idle_hhmm, "%dd", (int) (seconds_idle / (24 * 60 * 60)));
+ return (const char *) idle_hhmm;
+}
+
+/* Display a line of information about UTMP_ENT. */
+
+static void
+print_entry (const STRUCT_UTMP *utmp_ent)
+{
+ struct stat stats;
+ time_t last_change;
+ char mesg;
+
+#define DEV_DIR_WITH_TRAILING_SLASH "/dev/"
+#define DEV_DIR_LEN (sizeof (DEV_DIR_WITH_TRAILING_SLASH) - 1)
+
+ char line[sizeof (utmp_ent->ut_line) + DEV_DIR_LEN + 1];
+ time_t tm;
+
+ /* Copy ut_line into LINE, prepending `/dev/' if ut_line is not
+ already an absolute pathname. Some system may put the full,
+ absolute pathname in ut_line. */
+ if (utmp_ent->ut_line[0] == '/')
+ {
+ strncpy (line, utmp_ent->ut_line, sizeof (utmp_ent->ut_line));
+ line[sizeof (utmp_ent->ut_line)] = '\0';
+ }
+ else
+ {
+ strcpy (line, DEV_DIR_WITH_TRAILING_SLASH);
+ strncpy (line + DEV_DIR_LEN, utmp_ent->ut_line, sizeof (utmp_ent->ut_line));
+ line[DEV_DIR_LEN + sizeof (utmp_ent->ut_line)] = '\0';
+ }
+
+ if (stat (line, &stats) == 0)
+ {
+ mesg = (stats.st_mode & S_IWGRP) ? ' ' : '*';
+ last_change = stats.st_atime;
+ }
+ else
+ {
+ mesg = '?';
+ last_change = 0;
+ }
+
+ printf ("%-8.*s", (int) sizeof (utmp_ent->ut_name), utmp_ent->ut_name);
+
+ if (include_fullname)
+ {
+ struct passwd * pw;
+ char name[sizeof(utmp_ent->ut_name)+1];
+
+ strncpy(name, utmp_ent->ut_name, sizeof(utmp_ent->ut_name));
+ name[sizeof(utmp_ent->ut_name)] = '\0';
+ pw = getpwnam(name);
+ if (pw == NULL)
+ printf(" %19s", " ???");
+ else
+ {
+ char * const comma = strchr(pw->pw_gecos, ',');
+ if (comma)
+ *comma = '\0';
+
+ /* FIXME: we don't yet convert '&' to username capitalized. */
+ printf(" %-19.19s", pw->pw_gecos);
+ }
+ }
+
+ printf (" %c%-8.*s",
+ mesg, (int) sizeof (utmp_ent->ut_line), utmp_ent->ut_line);
+
+ if (include_idle)
+ {
+ if (last_change)
+ printf (" %-6s", idle_string (last_change));
+ else
+ printf (" %-6s", "???");
+ }
+
+ /* Don't take the address of UT_TIME_MEMBER directly.
+ Ulrich Drepper wrote:
+ ``... GNU libc (and perhaps other libcs as well) have extended
+ utmp file formats which do not use a simple time_t ut_time field.
+ In glibc, ut_time is a macro which selects for backward compatibility
+ the tv_sec member of a struct timeval value.'' */
+ tm = UT_TIME_MEMBER (utmp_ent);
+ printf (" %-12.12s", ctime (&tm) + 4);
+
+#ifdef HAVE_UT_HOST
+ if (include_where && utmp_ent->ut_host[0])
+ {
+ extern char *canon_host ();
+ char ut_host[sizeof (utmp_ent->ut_host) + 1];
+ char *host = 0, *display = 0;
+
+ /* Copy the host name into UT_HOST, and ensure it's nul terminated. */
+ strncpy (ut_host, utmp_ent->ut_host, (int) sizeof (utmp_ent->ut_host));
+ ut_host[sizeof (utmp_ent->ut_host)] = '\0';
+
+ /* Look for an X display. */
+ display = strrchr (ut_host, ':');
+ if (display)
+ *display++ = '\0';
+
+ if (*ut_host)
+ /* See if we can canonicalize it. */
+ host = canon_host (ut_host);
+ if (! host)
+ host = ut_host;
+
+ if (display)
+ printf (" %s:%s", host, display);
+ else
+ printf (" %s", host);
+ }
+#endif
+
+ putchar ('\n');
+}
+
+/* Display a verbose line of information about UTMP_ENT. */
+
+static void
+print_long_entry (const char name[])
+{
+ struct passwd * pw;
+
+ pw = getpwnam(name);
+
+ printf (_("Login name: "));
+ printf ("%-28s", name);
+
+ printf (_("In real life: "));
+ if (pw == NULL)
+ {
+ printf(" %s", _("???\n"));
+ return;
+ }
+ else
+ {
+ char * const comma = strchr(pw->pw_gecos, ',');
+ if (comma)
+ *comma = '\0';
+
+ /* FIXME: we don't yet convert '&' to username capitalized. */
+ printf(" %s", pw->pw_gecos);
+ }
+
+ putchar ('\n');
+
+ if (include_home_and_shell)
+ {
+ printf(_("Directory: "));
+ printf("%-29s", pw->pw_dir);
+ printf(_("Shell: "));
+ printf(" %s", pw->pw_shell);
+ putchar ('\n');
+ }
+
+ if (include_project)
+ {
+ FILE * stream;
+ char buf[1024];
+ const char * const baseproject = "/.project";
+ char * const project =
+ xmalloc(strlen(pw->pw_dir) + strlen(baseproject) + 1);
+
+ strcpy (project, pw->pw_dir);
+ strcat (project, baseproject);
+
+ stream = fopen(project, "r");
+ if (stream)
+ {
+ int bytes;
+
+ printf (_("Project: "));
+
+ while ( (bytes = fread(buf, 1, sizeof(buf), stream)) > 0)
+ fwrite(buf, 1, bytes, stdout);
+ fclose(stream);
+ }
+
+ free (project);
+ }
+
+ if (include_plan)
+ {
+ FILE * stream;
+ char buf[1024];
+ const char * const baseplan = "/.plan";
+ char * const plan =
+ xmalloc(strlen(pw->pw_dir) + strlen(baseplan) + 1);
+
+ strcpy (plan, pw->pw_dir);
+ strcat (plan, baseplan);
+
+ stream = fopen(plan, "r");
+ if (stream)
+ {
+ int bytes;
+
+ printf (_("Plan:\n"));
+
+ while ( (bytes = fread(buf, 1, sizeof(buf), stream)) > 0)
+ fwrite(buf, 1, bytes, stdout);
+ fclose(stream);
+ }
+
+ free (plan);
+ }
+
+ putchar ('\n');
+}
+
+/* Print the username of each valid entry and the number of valid entries
+ in UTMP_BUF, which should have N elements. */
+
+static void
+print_heading (void)
+{
+ STRUCT_UTMP * utmp_buf; /* This is only to get sizes... */
+
+ printf ("%-8s", _("Login"));
+ if (include_fullname)
+ printf (" %-19s", _(" Name"));
+ printf (" %-9s", _("TTY"));
+ if (include_idle)
+ printf (" %-6s", _("Idle"));
+ printf (" %-12s", _("When"));
+#ifdef HAVE_UT_HOST
+ if (include_where)
+ printf (" %s", _("Where"));
+#endif
+ putchar ('\n');
+}
+
+/* Display UTMP_BUF, which should have N entries. */
+
+static void
+scan_entries (int n, const STRUCT_UTMP *utmp_buf,
+ const int argc_names, char * const argv_names[])
+{
+ if (include_heading)
+ print_heading ();
+
+ while (n--)
+ {
+ if (utmp_buf->ut_name[0]
+#ifdef USER_PROCESS
+ && utmp_buf->ut_type == USER_PROCESS
+#endif
+ )
+ {
+ if (argc_names)
+ {
+ int i;
+
+ for (i = 0; i < argc_names; i++)
+ if (strncmp(utmp_buf->ut_name, argv_names[i],
+ sizeof(utmp_buf->ut_name)) == 0)
+ {
+ print_entry (utmp_buf);
+ break;
+ }
+ }
+ else
+ print_entry (utmp_buf);
+ }
+ utmp_buf++;
+ }
+}
+
+/* Display a list of who is on the system, according to utmp file FILENAME. */
+
+static void
+short_pinky (const char *filename,
+ const int argc_names, char * const argv_names[])
+{
+ int n_users;
+ STRUCT_UTMP *utmp_buf;
+ int fail = read_utmp (filename, &n_users, &utmp_buf);
+
+ if (fail)
+ error (1, errno, "%s", filename);
+
+ scan_entries (n_users, utmp_buf, argc_names, argv_names);
+}
+
+static void
+long_pinky (const int argc_names, char * const argv_names[])
+{
+ int i;
+
+ for (i=0; i < argc_names; i++)
+ print_long_entry (argv_names[i]);
+}
+
+
+static void
+usage (int status)
+{
+ if (status != 0)
+ fprintf (stderr, _("Try `%s --help' for more information.\n"),
+ program_name);
+ else
+ {
+ printf (_("Usage: %s [OPTION]... [USER]...\n"), program_name);
+ printf (_("\
+\n\
+ -l do long format output\n\
+ -b omit the user's home directory and shell in long format\n\
+ -h omit the user's project file in long format\n\
+ -p omit the user's plan file in long format\n\
+ -s do short format output, this is the default\n\
+ -f omit the line of column headings in short format\n\
+ -w omit the user's full name in short format\n\
+ -i omit the user's full name and remote host in short format\n\
+ -q omit the user's full name, remote host and idle time\n\
+ in short format\n\
+ --help display this help and exit\n\
+ --version output version information and exit\n\
+\n\
+The utmp file will be %s.\n\
+"), UTMP_FILE);
+ puts (_("\nReport bugs to <sh-utils-bugs@gnu.ai.mit.edu>."));
+ }
+ exit (status);
+}
+
+int
+main (int argc, char * const argv[])
+{
+ int optc, longind;
+
+ program_name = argv[0];
+ setlocale (LC_ALL, "");
+ bindtextdomain (PACKAGE, LOCALEDIR);
+ textdomain (PACKAGE);
+
+ while ((optc = getopt_long (argc, argv, "sfwiqbhlp", longopts, &longind)) != -1)
+ {
+ switch (optc)
+ {
+ case 0:
+ break;
+
+ case 's':
+ do_short_format = 1;
+ break;
+
+ case 'l':
+ do_short_format = 0;
+ break;
+
+ case 'f':
+ include_heading = 0;
+ break;
+
+ case 'w':
+ include_fullname = 0;
+ break;
+
+ case 'i':
+ include_fullname = 0;
+#ifdef HAVE_UT_HOST
+ include_where = 0;
+#endif
+ break;
+
+ case 'q':
+ include_fullname = 0;
+#ifdef HAVE_UT_HOST
+ include_where = 0;
+#endif
+ include_idle = 0;
+ break;
+
+ case 'h':
+ include_project = 0;
+ break;
+
+ case 'p':
+ include_plan = 0;
+ break;
+
+ case 'b':
+ include_home_and_shell = 0;
+ break;
+
+ default:
+ usage (1);
+ }
+ }
+
+ if (show_version)
+ {
+ printf ("pinky (%s) %s\n", GNU_PACKAGE, VERSION);
+ exit (0);
+ }
+
+ if (show_help)
+ usage (0);
+
+ if (do_short_format)
+ short_pinky (UTMP_FILE, argc-optind, argv+optind);
+ else
+ long_pinky (argc-optind, argv+optind);
+
+ exit (0);
+}
projects / platform / upstream / coreutils.git / commitdiff