X-Git-Url: http://andersk.mit.edu/gitweb/openssh.git/blobdiff_plain/59c9718951e2de053174eaa7df6ecc74642d03a4..556f1c050904b36aa3c83a423d9c50f5ceeff685:/auth-passwd.c diff --git a/auth-passwd.c b/auth-passwd.c index 8295ea17..185db7d6 100644 --- a/auth-passwd.c +++ b/auth-passwd.c @@ -36,46 +36,53 @@ */ #include "includes.h" -RCSID("$OpenBSD: auth-passwd.c,v 1.19 2001/01/18 16:59:59 markus Exp $"); - -#if !defined(USE_PAM) && !defined(HAVE_OSF_SIA) +RCSID("$OpenBSD: auth-passwd.c,v 1.27 2002/05/24 16:45:16 stevesk Exp $"); #include "packet.h" -#include "ssh.h" +#include "log.h" #include "servconf.h" -#include "xmalloc.h" - #include "auth.h" -#ifdef WITH_AIXAUTHENTICATE -# include -#endif -#ifdef __hpux -# include -# include -#endif -#ifdef HAVE_SCO_PROTECTED_PW -# include -# include -# include -#endif /* HAVE_SCO_PROTECTED_PW */ -#if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW) -# include -#endif -#if defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW) -# include -# include -# include -#endif -#if defined(HAVE_MD5_PASSWORDS) && !defined(HAVE_MD5_CRYPT) -# include "md5crypt.h" -#endif /* defined(HAVE_MD5_PASSWORDS) && !defined(HAVE_MD5_CRYPT) */ +#if !defined(USE_PAM) && !defined(HAVE_OSF_SIA) +/* Don't need any of these headers for the PAM or SIA cases */ +# ifdef HAVE_CRYPT_H +# include +# endif +# ifdef WITH_AIXAUTHENTICATE +# include +# endif +# ifdef __hpux +# include +# include +# endif +# ifdef HAVE_SECUREWARE +# include +# include +# include +# endif /* HAVE_SECUREWARE */ +# if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW) +# include +# endif +# if defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW) +# include +# include +# include +# endif +# if defined(HAVE_MD5_PASSWORDS) && !defined(HAVE_MD5_CRYPT) +# include "md5crypt.h" +# endif /* defined(HAVE_MD5_PASSWORDS) && !defined(HAVE_MD5_CRYPT) */ + +# ifdef HAVE_CYGWIN +# undef ERROR +# include +# include +# define is_winnt (GetVersion() < 0x80000000) +# endif +#endif /* !USE_PAM && !HAVE_OSF_SIA */ -#ifdef HAVE_CYGWIN -#undef ERROR -#include -#include -#define is_winnt (GetVersion() < 0x80000000) +extern ServerOptions options; +#ifdef WITH_AIXAUTHENTICATE +extern char *aixloginmsg; #endif /* @@ -83,18 +90,24 @@ RCSID("$OpenBSD: auth-passwd.c,v 1.19 2001/01/18 16:59:59 markus Exp $"); * authentication succeeds. */ int -auth_password(struct passwd * pw, const char *password) +auth_password(Authctxt *authctxt, const char *password) { - extern ServerOptions options; +#if defined(USE_PAM) + if (*password == '\0' && options.permit_empty_passwd == 0) + return 0; + return auth_pam_password(authctxt, password); +#elif defined(HAVE_OSF_SIA) + if (*password == '\0' && options.permit_empty_passwd == 0) + return 0; + return auth_sia_password(authctxt, password); +#else + struct passwd * pw = authctxt->pw; char *encrypted_password; char *pw_password; char *salt; -#ifdef __hpux +#if defined(__hpux) || defined(HAVE_SECUREWARE) struct pr_passwd *spw; -#endif -#ifdef HAVE_SCO_PROTECTED_PW - struct pr_passwd *spw; -#endif /* HAVE_SCO_PROTECTED_PW */ +#endif /* __hpux || HAVE_SECUREWARE */ #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW) struct spwd *spw; #endif @@ -103,7 +116,7 @@ auth_password(struct passwd * pw, const char *password) #endif #ifdef WITH_AIXAUTHENTICATE char *authmsg; - char *loginmsg; + int authsuccess; int reenter = 1; #endif @@ -111,19 +124,19 @@ auth_password(struct passwd * pw, const char *password) if (pw == NULL) return 0; #ifndef HAVE_CYGWIN - if (pw->pw_uid == 0 && options.permit_root_login == 2) + if (pw->pw_uid == 0 && options.permit_root_login != PERMIT_YES) return 0; -#endif -#ifdef HAVE_CYGWIN - /* - * Empty password is only possible on NT if the user has _really_ - * an empty password and authentication is done, though. - */ - if (!is_winnt) #endif if (*password == '\0' && options.permit_empty_passwd == 0) return 0; - +#ifdef KRB5 + if (options.kerberos_authentication == 1) { + int ret = auth_krb5_password(authctxt, password); + if (ret == 1 || ret == 0) + return ret; + /* Fall back to ordinary passwd authentication. */ + } +#endif #ifdef HAVE_CYGWIN if (is_winnt) { HANDLE hToken = cygwin_logon_user(pw, password); @@ -134,21 +147,33 @@ auth_password(struct passwd * pw, const char *password) return 1; } #endif - #ifdef WITH_AIXAUTHENTICATE - return (authenticate(pw->pw_name,password,&reenter,&authmsg) == 0); -#endif + authsuccess = (authenticate(pw->pw_name,password,&reenter,&authmsg) == 0); + if (authsuccess) + /* We don't have a pty yet, so just label the line as "ssh" */ + if (loginsuccess(authctxt->user, + get_canonical_hostname(options.verify_reverse_mapping), + "ssh", &aixloginmsg) < 0) + aixloginmsg = NULL; + + return(authsuccess); +#endif #ifdef KRB4 if (options.kerberos_authentication == 1) { - int ret = auth_krb4_password(pw, password); + int ret = auth_krb4_password(authctxt, password); if (ret == 1 || ret == 0) return ret; /* Fall back to ordinary passwd authentication. */ } #endif - - +#ifdef BSD_AUTH + if (auth_userokay(pw->pw_name, authctxt->style, "auth-ssh", + (char *)password) == 0) + return 0; + else + return 1; +#endif pw_password = pw->pw_passwd; /* @@ -156,25 +181,24 @@ auth_password(struct passwd * pw, const char *password) */ #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW) spw = getspnam(pw->pw_name); - if (spw != NULL) + if (spw != NULL) pw_password = spw->sp_pwdp; #endif /* defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW) */ -#ifdef HAVE_SCO_PROTECTED_PW - spw = getprpwnam(pw->pw_name); - if (spw != NULL) - pw_password = spw->ufld.fd_encrypt; -#endif /* HAVE_SCO_PROTECTED_PW */ - #if defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW) if (issecure() && (spw = getpwanam(pw->pw_name)) != NULL) pw_password = spw->pwa_passwd; #endif /* defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW) */ -#if defined(__hpux) +#ifdef HAVE_SECUREWARE + if ((spw = getprpwnam(pw->pw_name)) != NULL) + pw_password = spw->ufld.fd_encrypt; +#endif /* HAVE_SECUREWARE */ + +#if defined(__hpux) && !defined(HAVE_SECUREWARE) if (iscomsec() && (spw = getprpwnam(pw->pw_name)) != NULL) pw_password = spw->ufld.fd_encrypt; -#endif /* defined(__hpux) */ +#endif /* defined(__hpux) && !defined(HAVE_SECUREWARE) */ /* Check for users with no password. */ if ((password[0] == '\0') && (pw_password[0] == '\0')) @@ -190,18 +214,22 @@ auth_password(struct passwd * pw, const char *password) encrypted_password = md5_crypt(password, salt); else encrypted_password = crypt(password, salt); -#else /* HAVE_MD5_PASSWORDS */ -# ifdef __hpux +#else /* HAVE_MD5_PASSWORDS */ +# if defined(__hpux) && !defined(HAVE_SECUREWARE) if (iscomsec()) encrypted_password = bigcrypt(password, salt); else encrypted_password = crypt(password, salt); # else +# ifdef HAVE_SECUREWARE + encrypted_password = bigcrypt(password, salt); +# else encrypted_password = crypt(password, salt); -# endif /* __hpux */ -#endif /* HAVE_MD5_PASSWORDS */ +# endif /* HAVE_SECUREWARE */ +# endif /* __hpux && !defined(HAVE_SECUREWARE) */ +#endif /* HAVE_MD5_PASSWORDS */ /* Authentication is accepted if the encrypted passwords are identical. */ return (strcmp(encrypted_password, pw_password) == 0); -} #endif /* !USE_PAM && !HAVE_OSF_SIA */ +}