auth-passwd.c (137019) | auth-passwd.c (147005) |
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1/* 2 * Author: Tatu Ylonen <ylo@cs.hut.fi> 3 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 4 * All rights reserved 5 * Password authentication. This file contains the functions to check whether 6 * the password is valid for the user. 7 * 8 * As far as I am concerned, the code I have written for this software --- 22 unchanged lines hidden (view full) --- 31 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 35 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38#include "includes.h" | 1/* 2 * Author: Tatu Ylonen <ylo@cs.hut.fi> 3 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 4 * All rights reserved 5 * Password authentication. This file contains the functions to check whether 6 * the password is valid for the user. 7 * 8 * As far as I am concerned, the code I have written for this software --- 22 unchanged lines hidden (view full) --- 31 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 35 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38#include "includes.h" |
39RCSID("$OpenBSD: auth-passwd.c,v 1.31 2004/01/30 09:48:57 markus Exp $"); 40RCSID("$FreeBSD: head/crypto/openssh/auth-passwd.c 137019 2004-10-28 16:11:31Z des $"); | 39RCSID("$OpenBSD: auth-passwd.c,v 1.33 2005/01/24 11:47:13 dtucker Exp $"); 40RCSID("$FreeBSD: head/crypto/openssh/auth-passwd.c 147005 2005-06-05 15:46:09Z des $"); |
41 42#include "packet.h" | 41 42#include "packet.h" |
43#include "buffer.h" |
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43#include "log.h" 44#include "servconf.h" 45#include "auth.h" 46#include "auth-options.h" 47 | 44#include "log.h" 45#include "servconf.h" 46#include "auth.h" 47#include "auth-options.h" 48 |
49extern Buffer loginmsg; |
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48extern ServerOptions options; | 50extern ServerOptions options; |
49int sys_auth_passwd(Authctxt *, const char *); | |
50 | 51 |
52#ifdef HAVE_LOGIN_CAP 53extern login_cap_t *lc; 54#endif 55 56 57#define DAY (24L * 60 * 60) /* 1 day in seconds */ 58#define TWO_WEEKS (2L * 7 * DAY) /* 2 weeks in seconds */ 59 |
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51void 52disable_forwarding(void) 53{ 54 no_port_forwarding_flag = 1; 55 no_agent_forwarding_flag = 1; 56 no_x11_forwarding_flag = 1; 57} 58 59/* 60 * Tries to authenticate the user using password. Returns true if 61 * authentication succeeds. 62 */ 63int 64auth_password(Authctxt *authctxt, const char *password) 65{ 66 struct passwd * pw = authctxt->pw; | 60void 61disable_forwarding(void) 62{ 63 no_port_forwarding_flag = 1; 64 no_agent_forwarding_flag = 1; 65 no_x11_forwarding_flag = 1; 66} 67 68/* 69 * Tries to authenticate the user using password. Returns true if 70 * authentication succeeds. 71 */ 72int 73auth_password(Authctxt *authctxt, const char *password) 74{ 75 struct passwd * pw = authctxt->pw; |
67 int ok = authctxt->valid; | 76 int result, ok = authctxt->valid; |
68#if defined(USE_SHADOW) && defined(HAS_SHADOW_EXPIRE) 69 static int expire_checked = 0; 70#endif 71 72#ifndef HAVE_CYGWIN 73 if (pw->pw_uid == 0 && options.permit_root_login != PERMIT_YES) 74 ok = 0; 75#endif --- 20 unchanged lines hidden (view full) --- 96#endif 97#ifdef USE_PAM 98 if (options.use_pam) 99 return (sshpam_auth_passwd(authctxt, password) && ok); 100#endif 101#if defined(USE_SHADOW) && defined(HAS_SHADOW_EXPIRE) 102 if (!expire_checked) { 103 expire_checked = 1; | 77#if defined(USE_SHADOW) && defined(HAS_SHADOW_EXPIRE) 78 static int expire_checked = 0; 79#endif 80 81#ifndef HAVE_CYGWIN 82 if (pw->pw_uid == 0 && options.permit_root_login != PERMIT_YES) 83 ok = 0; 84#endif --- 20 unchanged lines hidden (view full) --- 105#endif 106#ifdef USE_PAM 107 if (options.use_pam) 108 return (sshpam_auth_passwd(authctxt, password) && ok); 109#endif 110#if defined(USE_SHADOW) && defined(HAS_SHADOW_EXPIRE) 111 if (!expire_checked) { 112 expire_checked = 1; |
104 if (auth_shadow_pwexpired(authctxt)) { 105 disable_forwarding(); | 113 if (auth_shadow_pwexpired(authctxt)) |
106 authctxt->force_pwchange = 1; | 114 authctxt->force_pwchange = 1; |
107 } | |
108 } 109#endif | 115 } 116#endif |
110 111 return (sys_auth_passwd(authctxt, password) && ok); | 117 result = sys_auth_passwd(authctxt, password); 118 if (authctxt->force_pwchange) 119 disable_forwarding(); 120 return (result && ok); |
112} 113 114#ifdef BSD_AUTH | 121} 122 123#ifdef BSD_AUTH |
124static void 125warn_expiry(Authctxt *authctxt, auth_session_t *as) 126{ 127 char buf[256]; 128 quad_t pwtimeleft, actimeleft, daysleft, pwwarntime, acwarntime; 129 130 pwwarntime = acwarntime = TWO_WEEKS; 131 132 pwtimeleft = auth_check_change(as); 133 actimeleft = auth_check_expire(as); 134#ifdef HAVE_LOGIN_CAP 135 if (authctxt->valid) { 136 pwwarntime = login_getcaptime(lc, "password-warn", TWO_WEEKS, 137 TWO_WEEKS); 138 acwarntime = login_getcaptime(lc, "expire-warn", TWO_WEEKS, 139 TWO_WEEKS); 140 } 141#endif 142 if (pwtimeleft != 0 && pwtimeleft < pwwarntime) { 143 daysleft = pwtimeleft / DAY + 1; 144 snprintf(buf, sizeof(buf), 145 "Your password will expire in %lld day%s.\n", 146 daysleft, daysleft == 1 ? "" : "s"); 147 buffer_append(&loginmsg, buf, strlen(buf)); 148 } 149 if (actimeleft != 0 && actimeleft < acwarntime) { 150 daysleft = actimeleft / DAY + 1; 151 snprintf(buf, sizeof(buf), 152 "Your account will expire in %lld day%s.\n", 153 daysleft, daysleft == 1 ? "" : "s"); 154 buffer_append(&loginmsg, buf, strlen(buf)); 155 } 156} 157 |
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115int 116sys_auth_passwd(Authctxt *authctxt, const char *password) 117{ 118 struct passwd *pw = authctxt->pw; 119 auth_session_t *as; | 158int 159sys_auth_passwd(Authctxt *authctxt, const char *password) 160{ 161 struct passwd *pw = authctxt->pw; 162 auth_session_t *as; |
163 static int expire_checked = 0; |
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120 121 as = auth_usercheck(pw->pw_name, authctxt->style, "auth-ssh", 122 (char *)password); 123 if (auth_getstate(as) & AUTH_PWEXPIRED) { 124 auth_close(as); 125 disable_forwarding(); 126 authctxt->force_pwchange = 1; 127 return (1); 128 } else { | 164 165 as = auth_usercheck(pw->pw_name, authctxt->style, "auth-ssh", 166 (char *)password); 167 if (auth_getstate(as) & AUTH_PWEXPIRED) { 168 auth_close(as); 169 disable_forwarding(); 170 authctxt->force_pwchange = 1; 171 return (1); 172 } else { |
173 if (!expire_checked) { 174 expire_checked = 1; 175 warn_expiry(authctxt, as); 176 } |
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129 return (auth_close(as)); 130 } 131} 132#elif !defined(CUSTOM_SYS_AUTH_PASSWD) 133int 134sys_auth_passwd(Authctxt *authctxt, const char *password) 135{ 136 struct passwd *pw = authctxt->pw; --- 20 unchanged lines hidden --- | 177 return (auth_close(as)); 178 } 179} 180#elif !defined(CUSTOM_SYS_AUTH_PASSWD) 181int 182sys_auth_passwd(Authctxt *authctxt, const char *password) 183{ 184 struct passwd *pw = authctxt->pw; --- 20 unchanged lines hidden --- |