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378 lines
7.3 KiB
C
378 lines
7.3 KiB
C
/* Tests for UTMP functions.
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Copyright (C) 1998-2024 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <error.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <time.h>
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#ifdef UTMPX
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# include <utmpx.h>
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# define utmp utmpx
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# define utmpname utmpxname
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# define setutent setutxent
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# define getutent getutxent
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# define endutent endutxent
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# define getutline getutxline
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# define getutid getutxid
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# define pututline pututxline
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#else
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# include <utmp.h>
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#endif
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/* Prototype for our test function. */
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static int do_test (int argc, char *argv[]);
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/* We have a preparation function. */
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static void do_prepare (int argc, char *argv[]);
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#define PREPARE do_prepare
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/* This defines the `main' function and some more. */
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#include <test-skeleton.c>
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/* These are for the temporary file we generate. */
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char *name;
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int fd;
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static void
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do_prepare (int argc, char *argv[])
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{
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size_t name_len;
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name_len = strlen (test_dir);
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name = xmalloc (name_len + sizeof ("/utmpXXXXXX"));
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mempcpy (mempcpy (name, test_dir, name_len),
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"/utmpXXXXXX", sizeof ("/utmpXXXXXX"));
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/* Open our test file. */
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fd = mkstemp (name);
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if (fd == -1)
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error (EXIT_FAILURE, errno, "cannot open test file `%s'", name);
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add_temp_file (name);
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}
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struct utmp entry[] =
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{
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#define UT(a) .ut_tv = { .tv_sec = (a)}
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{ .ut_type = BOOT_TIME, .ut_pid = 1, UT(1000) },
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{ .ut_type = RUN_LVL, .ut_pid = 1, UT(2000) },
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{ .ut_type = INIT_PROCESS, .ut_pid = 5, .ut_id = "si", UT(3000) },
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{ .ut_type = LOGIN_PROCESS, .ut_pid = 23, .ut_line = "tty1", .ut_id = "1",
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.ut_user = "LOGIN", UT(4000) },
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{ .ut_type = USER_PROCESS, .ut_pid = 24, .ut_line = "tty2", .ut_id = "2",
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.ut_user = "albert", UT(8000) },
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{ .ut_type = USER_PROCESS, .ut_pid = 196, .ut_line = "ttyp0", .ut_id = "p0",
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.ut_user = "niels", UT(10000) },
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{ .ut_type = DEAD_PROCESS, .ut_line = "ttyp1", .ut_id = "p1", UT(16000) },
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{ .ut_type = EMPTY },
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{ .ut_type = EMPTY }
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};
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int num_entries = sizeof entry / sizeof (struct utmp);
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time_t entry_time = 20000;
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pid_t entry_pid = 234;
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static int
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do_init (void)
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{
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int n;
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setutent ();
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for (n = 0; n < num_entries; n++)
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{
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if (pututline (&entry[n]) == NULL)
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{
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error (0, errno, "cannot write UTMP entry");
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return 1;
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}
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}
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endutent ();
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return 0;
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}
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static int
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do_check (void)
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{
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struct utmp *ut;
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int n;
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setutent ();
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n = 0;
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while ((ut = getutent ()))
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{
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if (n < num_entries
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&& memcmp (ut, &entry[n], sizeof (struct utmp)))
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{
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error (0, 0, "UTMP entry does not match");
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return 1;
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}
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n++;
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}
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if (n != num_entries)
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{
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error (0, 0, "number of UTMP entries is incorrect");
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return 1;
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}
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endutent ();
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return 0;
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}
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static int
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simulate_login (const char *line, const char *user)
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{
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int n;
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for (n = 0; n < num_entries; n++)
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{
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if (strcmp (line, entry[n].ut_line) == 0
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|| entry[n].ut_type == DEAD_PROCESS)
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{
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if (entry[n].ut_pid == DEAD_PROCESS)
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entry[n].ut_pid = (entry_pid += 27);
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entry[n].ut_type = USER_PROCESS;
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strncpy (entry[n].ut_user, user, sizeof (entry[n].ut_user));
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entry[n].ut_tv.tv_sec = (entry_time += 1000);
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setutent ();
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if (pututline (&entry[n]) == NULL)
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{
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error (0, errno, "cannot write UTMP entry");
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return 1;
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}
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endutent ();
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return 0;
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}
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}
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error (0, 0, "no entries available");
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return 1;
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}
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static int
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simulate_logout (const char *line)
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{
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int n;
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for (n = 0; n < num_entries; n++)
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{
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if (strcmp (line, entry[n].ut_line) == 0)
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{
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entry[n].ut_type = DEAD_PROCESS;
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strncpy (entry[n].ut_user, "", sizeof (entry[n].ut_user));
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entry[n].ut_tv.tv_sec = (entry_time += 1000);
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setutent ();
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if (pututline (&entry[n]) == NULL)
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{
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error (0, errno, "cannot write UTMP entry");
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return 1;
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}
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endutent ();
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return 0;
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}
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}
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error (0, 0, "no entry found for `%s'", line);
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return 1;
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}
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static int
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check_login (const char *line)
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{
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struct utmp *up;
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struct utmp ut;
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int n;
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setutent ();
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strcpy (ut.ut_line, line);
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up = getutline (&ut);
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if (up == NULL)
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{
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error (0, errno, "cannot get entry for line `%s'", line);
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return 1;
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}
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endutent ();
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for (n = 0; n < num_entries; n++)
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{
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if (strcmp (line, entry[n].ut_line) == 0)
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{
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if (memcmp (up, &entry[n], sizeof (struct utmp)))
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{
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error (0, 0, "UTMP entry does not match");
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return 1;
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}
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return 0;
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}
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}
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error (0, 0, "bogus entry for line `%s'", line);
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return 1;
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}
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static int
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check_logout (const char *line)
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{
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struct utmp ut;
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setutent ();
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strcpy (ut.ut_line, line);
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if (getutline (&ut) != NULL)
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{
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error (0, 0, "bogus login entry for `%s'", line);
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return 1;
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}
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endutent ();
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return 0;
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}
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static int
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check_id (const char *id)
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{
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struct utmp *up;
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struct utmp ut;
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int n;
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setutent ();
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ut.ut_type = USER_PROCESS;
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strcpy (ut.ut_id, id);
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up = getutid (&ut);
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if (up == NULL)
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{
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error (0, errno, "cannot get entry for ID `%s'", id);
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return 1;
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}
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endutent ();
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for (n = 0; n < num_entries; n++)
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{
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if (strcmp (id, entry[n].ut_id) == 0)
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{
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if (memcmp (up, &entry[n], sizeof (struct utmp)))
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{
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error (0, 0, "UTMP entry does not match");
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return 1;
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}
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return 0;
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}
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}
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error (0, 0, "bogus entry for ID `%s'", id);
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return 1;
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}
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static int
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check_type (int type)
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{
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struct utmp *up;
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struct utmp ut;
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int n;
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setutent ();
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ut.ut_type = type;
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up = getutid (&ut);
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if (up == NULL)
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{
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error (0, errno, "cannot get entry for type `%d'", type);
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return 1;
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}
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endutent ();
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for (n = 0; n < num_entries; n++)
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{
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if (type == entry[n].ut_type)
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{
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if (memcmp (up, &entry[n], sizeof (struct utmp)))
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{
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error (0, 0, "UTMP entry does not match");
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return 1;
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}
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return 0;
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}
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}
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error (0, 0, "bogus entry for type `%d'", type);
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return 1;
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}
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static int
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do_test (int argc, char *argv[])
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{
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int result = 0;
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utmpname (name);
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result |= do_init ();
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result |= do_check ();
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result |= simulate_login ("tty1", "erwin");
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result |= do_check ();
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result |= simulate_login ("ttyp1", "paul");
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result |= do_check ();
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result |= simulate_logout ("tty2");
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result |= do_check ();
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result |= simulate_logout ("ttyp0");
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result |= do_check ();
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result |= simulate_login ("ttyp2", "richard");
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result |= do_check ();
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result |= check_login ("tty1");
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result |= check_logout ("ttyp0");
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result |= check_id ("p1");
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result |= check_id ("2");
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result |= check_id ("si");
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result |= check_type (BOOT_TIME);
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result |= check_type (RUN_LVL);
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return result;
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}
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