shadow/libmisc/pwdcheck.c

/*
 * SPDX-FileCopyrightText: 2000 - 2005, Tomasz Kłoczko
 * SPDX-FileCopyrightText: 2007 - 2008, Nicolas François
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include <config.h>

#ident "$Id$"

#ifndef USE_PAM

#include <stdio.h>
#include <shadow.h>
#include "prototypes.h"
#include "defines.h"
#include "pwauth.h"
#include "shadowlog.h"

void passwd_check (const char *user, const char *passwd, unused const char *progname)
{
	struct spwd *sp;

	sp = getspnam (user); /* !USE_PAM, no need for xgetspnam */
	if (NULL != sp) {
		passwd = sp->sp_pwdp;
	}
	if (pw_auth (passwd, user, PW_LOGIN, NULL) != 0) {
		SYSLOG ((LOG_WARN, "incorrect password for `%s'", user));
		(void) sleep (1);
		fprintf (log_get_logfd(), _("Incorrect password for %s.\n"), user);
		exit (EXIT_FAILURE);
	}
}
#else			/* USE_PAM */
extern int ISO_C_forbids_an_empty_translation_unit;
#endif			/* USE_PAM */
Make sure every source files are distributed with a copyright and license. Files with no license use the default 3-clauses BSD license. The copyright were mostly not recorded; they were updated according to the Changelog. "Julianne Frances Haugh and contributors" changed to "copyright holders and contributors". 2008-04-27 06:10:09 +05:30			`/*`
Update licensing info Closes #238 Update all files to list SPDX license shortname. Most files are BSD 3 clause license. The exceptions are: serge@sl ~/src/shadow$ git grep SPDX-License \| grep -v BSD-3-Clause contrib/atudel:# SPDX-License-Identifier: BSD-4-Clause lib/tcbfuncs.c: * SPDX-License-Identifier: 0BSD libmisc/salt.c: * SPDX-License-Identifier: Unlicense src/login_nopam.c: * SPDX-License-Identifier: Unlicense src/nologin.c: * SPDX-License-Identifier: BSD-2-Clause src/vipw.c: * SPDX-License-Identifier: GPL-2.0-or-later Signed-off-by: Serge Hallyn <serge@hallyn.com> 2021-12-05 21:05:27 +05:30			`* SPDX-FileCopyrightText: 2000 - 2005, Tomasz Kłoczko`
			`* SPDX-FileCopyrightText: 2007 - 2008, Nicolas François`
Make sure every source files are distributed with a copyright and license. Files with no license use the default 3-clauses BSD license. The copyright were mostly not recorded; they were updated according to the Changelog. "Julianne Frances Haugh and contributors" changed to "copyright holders and contributors". 2008-04-27 06:10:09 +05:30			`*`
Update licensing info Closes #238 Update all files to list SPDX license shortname. Most files are BSD 3 clause license. The exceptions are: serge@sl ~/src/shadow$ git grep SPDX-License \| grep -v BSD-3-Clause contrib/atudel:# SPDX-License-Identifier: BSD-4-Clause lib/tcbfuncs.c: * SPDX-License-Identifier: 0BSD libmisc/salt.c: * SPDX-License-Identifier: Unlicense src/login_nopam.c: * SPDX-License-Identifier: Unlicense src/nologin.c: * SPDX-License-Identifier: BSD-2-Clause src/vipw.c: * SPDX-License-Identifier: GPL-2.0-or-later Signed-off-by: Serge Hallyn <serge@hallyn.com> 2021-12-05 21:05:27 +05:30			`* SPDX-License-Identifier: BSD-3-Clause`
Make sure every source files are distributed with a copyright and license. Files with no license use the default 3-clauses BSD license. The copyright were mostly not recorded; they were updated according to the Changelog. "Julianne Frances Haugh and contributors" changed to "copyright holders and contributors". 2008-04-27 06:10:09 +05:30			`*/`

[svn-upgrade] Integrating new upstream version, shadow (20001016) 2007-10-07 17:14:44 +05:30			`#include <config.h>`

Added the subversion svn:keywords property (Id) for proper identification. 2007-11-11 05:16:11 +05:30			`#ident "$Id$"`
[svn-upgrade] Integrating new upstream version, shadow (4.0.13) 2007-10-07 17:17:01 +05:30
Simply passwd_check since it's never used when configured with PAM support. 2008-05-24 19:41:31 +05:30			`#ifndef USE_PAM`

[svn-upgrade] Integrating new upstream version, shadow (4.0.11) 2007-10-07 17:16:34 +05:30			`#include <stdio.h>`
Simply passwd_check since it's never used when configured with PAM support. 2008-05-24 19:41:31 +05:30			`#include <shadow.h>`
[svn-upgrade] Integrating new upstream version, shadow (20001016) 2007-10-07 17:14:44 +05:30			`#include "prototypes.h"`
			`#include "defines.h"`
* libmisc/pwdcheck.c: Do not include <pwd.h>. Include <shadow.h> and "pwauth.h" only when compiled without PAM support. * src/chfn.c, src/chsh.c: Do not include <shadow.h> * lib/commonio.c: Do not include <shadow.h>. Do not include <pwd.h>. Include "nscd.h" instead of <nscd.h>. * configure.in: Do not check if shadow.h exist, but make sure it exists. * libmisc/pwdcheck.c, src/chfn.c, src/chsh.c, lib/defines.h, lib/shadowmem.c, lib/shadowio.c, lib/commonio.c: HAVE_SHADOW_H is no more needed (shadow.h should always exist). 2008-01-05 22:03:43 +05:30			`#include "pwauth.h"`
Make shadow_logfd and Prog not extern Closes #444 Closes #465 Signed-off-by: Serge Hallyn <serge@hallyn.com> 2021-11-29 05:07:53 +05:30			`#include "shadowlog.h"`
Simply passwd_check since it's never used when configured with PAM support. 2008-05-24 19:41:31 +05:30
* libmisc/pwdcheck.c (passwd_check): The progname is not used. * libmisc/pwdcheck.c: Ignore the return value of sleep(). * libmisc/pwdcheck.c: Use exit(EXIT_FAILURE) instead of exit(1). 2009-04-24 01:47:02 +05:30			`void passwd_check (const char user, const char passwd, unused const char *progname)`
[svn-upgrade] Integrating new upstream version, shadow (20001016) 2007-10-07 17:14:44 +05:30			`{`
			`struct spwd *sp;`

Simply passwd_check since it's never used when configured with PAM support. 2008-05-24 19:41:31 +05:30			`sp = getspnam (user); /* !USE_PAM, no need for xgetspnam */`
			`if (NULL != sp) {`
[svn-upgrade] Integrating new upstream version, shadow (20001016) 2007-10-07 17:14:44 +05:30			`passwd = sp->sp_pwdp;`
Simply passwd_check since it's never used when configured with PAM support. 2008-05-24 19:41:31 +05:30			`}`
Call NULL by its name In variadic functions we still do the cast. In POSIX, it's not necessary, since NULL is required to be of type 'void ', and 'void ' is guaranteed to have the same alignment and representation as 'char '. However, since ISO C still doesn't mandate that, and moreover they're doing dubious stuff by adding nullptr, let's be on the cautious side. Also, C++ requires that NULL is _not_ 'void ', but either plain 0 or some magic stuff. Signed-off-by: Alejandro Colomar <alx@kernel.org> 2023-02-01 07:20:14 +05:30			`if (pw_auth (passwd, user, PW_LOGIN, NULL) != 0) {`
Simply passwd_check since it's never used when configured with PAM support. 2008-05-24 19:41:31 +05:30			SYSLOG ((LOG_WARN, "incorrect password for `%s'", user));
* libmisc/pwdcheck.c (passwd_check): The progname is not used. * libmisc/pwdcheck.c: Ignore the return value of sleep(). * libmisc/pwdcheck.c: Use exit(EXIT_FAILURE) instead of exit(1). 2009-04-24 01:47:02 +05:30			`(void) sleep (1);`
Make shadow_logfd and Prog not extern Closes #444 Closes #465 Signed-off-by: Serge Hallyn <serge@hallyn.com> 2021-11-29 05:07:53 +05:30			`fprintf (log_get_logfd(), _("Incorrect password for %s.\n"), user);`
* libmisc/pwdcheck.c (passwd_check): The progname is not used. * libmisc/pwdcheck.c: Ignore the return value of sleep(). * libmisc/pwdcheck.c: Use exit(EXIT_FAILURE) instead of exit(1). 2009-04-24 01:47:02 +05:30			`exit (EXIT_FAILURE);`
[svn-upgrade] Integrating new upstream version, shadow (20001016) 2007-10-07 17:14:44 +05:30			`}`
			`}`
Simply passwd_check since it's never used when configured with PAM support. 2008-05-24 19:41:31 +05:30			`#else /* USE_PAM */`
Don't redefine errno(3) It is Undefined Behavior to declare errno (see NOTES in its manual page). Instead of using the errno dummy declaration, use one that doesn't need a comment. Signed-off-by: Alejandro Colomar <alx@kernel.org> 2022-12-21 23:32:25 +05:30			`extern int ISO_C_forbids_an_empty_translation_unit;`
Simply passwd_check since it's never used when configured with PAM support. 2008-05-24 19:41:31 +05:30			`#endif /* USE_PAM */`