63 lines
1.4 KiB
C
63 lines
1.4 KiB
C
#include <config.h>
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#include "rcsid.h"
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RCSID ("$Id: pwdcheck.c,v 1.4 2004/11/02 18:46:30 kloczek Exp $")
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#include "prototypes.h"
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#include "defines.h"
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#include <pwd.h>
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#include "pwauth.h"
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#ifdef HAVE_SHADOW_H
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#include <shadow.h>
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#endif
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#ifdef USE_PAM
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#include "pam_defs.h"
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#endif
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#define WRONGPWD2 "incorrect password for `%s'"
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void
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passwd_check (const char *user, const char *passwd, const char *progname)
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{
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#ifdef USE_PAM
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pam_handle_t *pamh = NULL;
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int retcode;
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struct pam_conv conv = { misc_conv, NULL };
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if (pam_start (progname, user, &conv, &pamh)) {
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bailout:
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SYSLOG ((LOG_WARN, WRONGPWD2, user));
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sleep (1);
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fprintf (stderr, _("Incorrect password for %s.\n"), user);
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exit (1);
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}
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if (pam_authenticate (pamh, 0))
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goto bailout;
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retcode = pam_acct_mgmt (pamh, 0);
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if (retcode == PAM_NEW_AUTHTOK_REQD)
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retcode = pam_chauthtok (pamh, PAM_CHANGE_EXPIRED_AUTHTOK);
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if (retcode)
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goto bailout;
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if (pam_setcred (pamh, 0))
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goto bailout;
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/* no need to establish a session; this isn't a session-oriented
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* activity... */
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#else /* !USE_PAM */
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#ifdef SHADOWPWD
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struct spwd *sp;
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if ((sp = getspnam (user)))
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passwd = sp->sp_pwdp;
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endspent ();
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#endif
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if (pw_auth (passwd, user, PW_LOGIN, (char *) 0) != 0) {
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SYSLOG ((LOG_WARN, WRONGPWD2, user));
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sleep (1);
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fprintf (stderr, _("Incorrect password for %s.\n"), user);
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exit (1);
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}
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#endif /* !USE_PAM */
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}
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