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glibc/login/tst-utmp.c
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/* Tests for UTMP functions. | |
Copyright (C) 1998-2016 Free Software Foundation, Inc. | |
This file is part of the GNU C Library. | |
Contributed by Mark Kettenis <kettenis@phys.uva.nl>, 1998. | |
The GNU C Library is free software; you can redistribute it and/or | |
modify it under the terms of the GNU Lesser General Public | |
License as published by the Free Software Foundation; either | |
version 2.1 of the License, or (at your option) any later version. | |
The GNU C Library 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 | |
Lesser General Public License for more details. | |
You should have received a copy of the GNU Lesser General Public | |
License along with the GNU C Library; if not, see | |
<http://www.gnu.org/licenses/>. */ | |
#include <errno.h> | |
#include <error.h> | |
#include <stdlib.h> | |
#include <string.h> | |
#include <sys/types.h> | |
#include <time.h> | |
#ifdef UTMPX | |
# include <utmpx.h> | |
# define utmp utmpx | |
# define utmpname utmpxname | |
# define setutent setutxent | |
# define getutent getutxent | |
# define endutent endutxent | |
# define getutline getutxline | |
# define getutid getutxid | |
# define pututline pututxline | |
#else | |
# include <utmp.h> | |
#endif | |
#if defined UTMPX || _HAVE_UT_TYPE | |
/* Prototype for our test function. */ | |
static int do_test (int argc, char *argv[]); | |
/* We have a preparation function. */ | |
static void do_prepare (int argc, char *argv[]); | |
#define PREPARE do_prepare | |
/* This defines the `main' function and some more. */ | |
#include <test-skeleton.c> | |
/* These are for the temporary file we generate. */ | |
char *name; | |
int fd; | |
static void | |
do_prepare (int argc, char *argv[]) | |
{ | |
size_t name_len; | |
name_len = strlen (test_dir); | |
name = malloc (name_len + sizeof ("/utmpXXXXXX")); | |
mempcpy (mempcpy (name, test_dir, name_len), | |
"/utmpXXXXXX", sizeof ("/utmpXXXXXX")); | |
/* Open our test file. */ | |
fd = mkstemp (name); | |
if (fd == -1) | |
error (EXIT_FAILURE, errno, "cannot open test file `%s'", name); | |
add_temp_file (name); | |
} | |
struct utmp entry[] = | |
{ | |
#if defined UTMPX || _HAVE_UT_TV | |
#define UT(a) .ut_tv = { .tv_sec = (a)} | |
#else | |
#define UT(a) .ut_time = (a) | |
#endif | |
{ .ut_type = BOOT_TIME, .ut_pid = 1, UT(1000) }, | |
{ .ut_type = RUN_LVL, .ut_pid = 1, UT(2000) }, | |
{ .ut_type = INIT_PROCESS, .ut_pid = 5, .ut_id = "si", UT(3000) }, | |
{ .ut_type = LOGIN_PROCESS, .ut_pid = 23, .ut_line = "tty1", .ut_id = "1", | |
.ut_user = "LOGIN", UT(4000) }, | |
{ .ut_type = USER_PROCESS, .ut_pid = 24, .ut_line = "tty2", .ut_id = "2", | |
.ut_user = "albert", UT(8000) }, | |
{ .ut_type = USER_PROCESS, .ut_pid = 196, .ut_line = "ttyp0", .ut_id = "p0", | |
.ut_user = "niels", UT(10000) }, | |
{ .ut_type = DEAD_PROCESS, .ut_line = "ttyp1", .ut_id = "p1", UT(16000) }, | |
{ .ut_type = EMPTY }, | |
{ .ut_type = EMPTY } | |
}; | |
int num_entries = sizeof entry / sizeof (struct utmp); | |
time_t entry_time = 20000; | |
pid_t entry_pid = 234; | |
static int | |
do_init (void) | |
{ | |
int n; | |
setutent (); | |
for (n = 0; n < num_entries; n++) | |
{ | |
if (pututline (&entry[n]) == NULL) | |
{ | |
error (0, errno, "cannot write UTMP entry"); | |
return 1; | |
} | |
} | |
endutent (); | |
return 0; | |
} | |
static int | |
do_check (void) | |
{ | |
struct utmp *ut; | |
int n; | |
setutent (); | |
n = 0; | |
while ((ut = getutent ())) | |
{ | |
if (n < num_entries && | |
memcmp (ut, &entry[n], sizeof (struct utmp))) | |
{ | |
error (0, 0, "UTMP entry does not match"); | |
return 1; | |
} | |
n++; | |
} | |
if (n != num_entries) | |
{ | |
error (0, 0, "number of UTMP entries is incorrect"); | |
return 1; | |
} | |
endutent (); | |
return 0; | |
} | |
static int | |
simulate_login (const char *line, const char *user) | |
{ | |
int n; | |
for (n = 0; n < num_entries; n++) | |
{ | |
if (strcmp (line, entry[n].ut_line) == 0 || | |
entry[n].ut_type == DEAD_PROCESS) | |
{ | |
if (entry[n].ut_pid == DEAD_PROCESS) | |
entry[n].ut_pid = (entry_pid += 27); | |
entry[n].ut_type = USER_PROCESS; | |
strncpy (entry[n].ut_user, user, sizeof (entry[n].ut_user)); | |
#if defined UTMPX || _HAVE_UT_TV - 0 | |
entry[n].ut_tv.tv_sec = (entry_time += 1000); | |
#else | |
entry[n].ut_time = (entry_time += 1000); | |
#endif | |
setutent (); | |
if (pututline (&entry[n]) == NULL) | |
{ | |
error (0, errno, "cannot write UTMP entry"); | |
return 1; | |
} | |
endutent (); | |
return 0; | |
} | |
} | |
error (0, 0, "no entries available"); | |
return 1; | |
} | |
static int | |
simulate_logout (const char *line) | |
{ | |
int n; | |
for (n = 0; n < num_entries; n++) | |
{ | |
if (strcmp (line, entry[n].ut_line) == 0) | |
{ | |
entry[n].ut_type = DEAD_PROCESS; | |
strncpy (entry[n].ut_user, "", sizeof (entry[n].ut_user)); | |
#if defined UTMPX || _HAVE_UT_TV - 0 | |
entry[n].ut_tv.tv_sec = (entry_time += 1000); | |
#else | |
entry[n].ut_time = (entry_time += 1000); | |
#endif | |
setutent (); | |
if (pututline (&entry[n]) == NULL) | |
{ | |
error (0, errno, "cannot write UTMP entry"); | |
return 1; | |
} | |
endutent (); | |
return 0; | |
} | |
} | |
error (0, 0, "no entry found for `%s'", line); | |
return 1; | |
} | |
static int | |
check_login (const char *line) | |
{ | |
struct utmp *up; | |
struct utmp ut; | |
int n; | |
setutent (); | |
strcpy (ut.ut_line, line); | |
up = getutline (&ut); | |
if (up == NULL) | |
{ | |
error (0, errno, "cannot get entry for line `%s'", line); | |
return 1; | |
} | |
endutent (); | |
for (n = 0; n < num_entries; n++) | |
{ | |
if (strcmp (line, entry[n].ut_line) == 0) | |
{ | |
if (memcmp (up, &entry[n], sizeof (struct utmp))) | |
{ | |
error (0, 0, "UTMP entry does not match"); | |
return 1; | |
} | |
return 0; | |
} | |
} | |
error (0, 0, "bogus entry for line `%s'", line); | |
return 1; | |
} | |
static int | |
check_logout (const char *line) | |
{ | |
struct utmp ut; | |
setutent (); | |
strcpy (ut.ut_line, line); | |
if (getutline (&ut) != NULL) | |
{ | |
error (0, 0, "bogus login entry for `%s'", line); | |
return 1; | |
} | |
endutent (); | |
return 0; | |
} | |
static int | |
check_id (const char *id) | |
{ | |
struct utmp *up; | |
struct utmp ut; | |
int n; | |
setutent (); | |
ut.ut_type = USER_PROCESS; | |
strcpy (ut.ut_id, id); | |
up = getutid (&ut); | |
if (up == NULL) | |
{ | |
error (0, errno, "cannot get entry for ID `%s'", id); | |
return 1; | |
} | |
endutent (); | |
for (n = 0; n < num_entries; n++) | |
{ | |
if (strcmp (id, entry[n].ut_id) == 0) | |
{ | |
if (memcmp (up, &entry[n], sizeof (struct utmp))) | |
{ | |
error (0, 0, "UTMP entry does not match"); | |
return 1; | |
} | |
return 0; | |
} | |
} | |
error (0, 0, "bogus entry for ID `%s'", id); | |
return 1; | |
} | |
static int | |
check_type (int type) | |
{ | |
struct utmp *up; | |
struct utmp ut; | |
int n; | |
setutent (); | |
ut.ut_type = type; | |
up = getutid (&ut); | |
if (up == NULL) | |
{ | |
error (0, errno, "cannot get entry for type `%d'", type); | |
return 1; | |
} | |
endutent (); | |
for (n = 0; n < num_entries; n++) | |
{ | |
if (type == entry[n].ut_type) | |
{ | |
if (memcmp (up, &entry[n], sizeof (struct utmp))) | |
{ | |
error (0, 0, "UTMP entry does not match"); | |
return 1; | |
} | |
return 0; | |
} | |
} | |
error (0, 0, "bogus entry for type `%d'", type); | |
return 1; | |
} | |
static int | |
do_test (int argc, char *argv[]) | |
{ | |
int result = 0; | |
utmpname (name); | |
result |= do_init (); | |
result |= do_check (); | |
result |= simulate_login ("tty1", "erwin"); | |
result |= do_check (); | |
result |= simulate_login ("ttyp1", "paul"); | |
result |= do_check (); | |
result |= simulate_logout ("tty2"); | |
result |= do_check (); | |
result |= simulate_logout ("ttyp0"); | |
result |= do_check (); | |
result |= simulate_login ("ttyp2", "richard"); | |
result |= do_check (); | |
result |= check_login ("tty1"); | |
result |= check_logout ("ttyp0"); | |
result |= check_id ("p1"); | |
result |= check_id ("2"); | |
result |= check_id ("si"); | |
result |= check_type (BOOT_TIME); | |
result |= check_type (RUN_LVL); | |
return result; | |
} | |
#else | |
/* No field 'ut_type' in struct utmp. */ | |
int | |
main (void) | |
{ | |
return 0; | |
} | |
#endif |