1/* pam_winbind header file 2 (Solaris needs some macros from Linux for common PAM code) 3 4 Shirish Kalele 2000 5*/ 6 7#include "../lib/replace/replace.h" 8#include "system/syslog.h" 9#include "system/time.h" 10#include <talloc.h> 11#include "libwbclient/wbclient.h" 12#include "localedir.h" 13 14#define MODULE_NAME "pam_winbind" 15#define PAM_SM_AUTH 16#define PAM_SM_ACCOUNT 17#define PAM_SM_PASSWORD 18#define PAM_SM_SESSION 19 20#ifndef PAM_WINBIND_CONFIG_FILE 21#define PAM_WINBIND_CONFIG_FILE "/etc/security/pam_winbind.conf" 22#endif 23 24#include <iniparser.h> 25 26#ifdef HAVE_LIBINTL_H 27#include <libintl.h> 28#endif 29 30#if defined(LINUX) 31 32/* newer versions of PAM have this in _pam_compat.h */ 33#ifndef PAM_AUTHTOK_RECOVERY_ERR 34#define PAM_AUTHTOK_RECOVERY_ERR PAM_AUTHTOK_RECOVER_ERR 35#endif 36 37#else /* !LINUX */ 38 39/* Solaris always uses dynamic pam modules */ 40#define PAM_EXTERN extern 41#if defined(HAVE_SECURITY_PAM_APPL_H) 42#include <security/pam_appl.h> 43#elif defined(HAVE_PAM_PAM_APPL_H) 44#include <pam/pam_appl.h> 45#endif 46 47#ifndef PAM_AUTHTOK_RECOVER_ERR 48#define PAM_AUTHTOK_RECOVER_ERR PAM_AUTHTOK_RECOVERY_ERR 49#endif 50 51#endif /* defined(SUNOS5) || defined(SUNOS4) || defined(HPUX) || defined(FREEBSD) || defined(AIX) */ 52 53#if defined(HAVE_SECURITY_PAM_MODULES_H) 54#include <security/pam_modules.h> 55#elif defined(HAVE_PAM_PAM_MODULES_H) 56#include <pam/pam_modules.h> 57#endif 58 59#if defined(HAVE_SECURITY__PAM_MACROS_H) 60#include <security/_pam_macros.h> 61#elif defined(HAVE_PAM__PAM_MACROS_H) 62#include <pam/_pam_macros.h> 63#else 64/* Define required macros from (Linux PAM 0.68) security/_pam_macros.h */ 65#define _pam_drop_reply(/* struct pam_response * */ reply, /* int */ replies) \ 66do { \ 67 int reply_i; \ 68 \ 69 for (reply_i=0; reply_i<replies; ++reply_i) { \ 70 if (reply[reply_i].resp) { \ 71 _pam_overwrite(reply[reply_i].resp); \ 72 free(reply[reply_i].resp); \ 73 } \ 74 } \ 75 if (reply) \ 76 free(reply); \ 77} while (0) 78 79#define _pam_overwrite(x) \ 80do { \ 81 register char *__xx__; \ 82 if ((__xx__=(x))) \ 83 while (*__xx__) \ 84 *__xx__++ = '\0'; \ 85} while (0) 86 87/* 88 * Don't just free it, forget it too. 89 */ 90 91#define _pam_drop(X) SAFE_FREE(X) 92 93#define x_strdup(s) ( (s) ? strdup(s):NULL ) 94#endif /* HAVE_SECURITY__PAM_MACROS_H */ 95 96#ifdef HAVE_SECURITY_PAM_EXT_H 97#include <security/pam_ext.h> 98#endif 99 100#define WINBIND_DEBUG_ARG 0x00000001 101#define WINBIND_USE_AUTHTOK_ARG 0x00000002 102#define WINBIND_UNKNOWN_OK_ARG 0x00000004 103#define WINBIND_TRY_FIRST_PASS_ARG 0x00000008 104#define WINBIND_USE_FIRST_PASS_ARG 0x00000010 105#define WINBIND__OLD_PASSWORD 0x00000020 106#define WINBIND_REQUIRED_MEMBERSHIP 0x00000040 107#define WINBIND_KRB5_AUTH 0x00000080 108#define WINBIND_KRB5_CCACHE_TYPE 0x00000100 109#define WINBIND_CACHED_LOGIN 0x00000200 110#define WINBIND_CONFIG_FILE 0x00000400 111#define WINBIND_SILENT 0x00000800 112#define WINBIND_DEBUG_STATE 0x00001000 113#define WINBIND_WARN_PWD_EXPIRE 0x00002000 114#define WINBIND_MKHOMEDIR 0x00004000 115 116#if defined(HAVE_GETTEXT) && !defined(__LCLINT__) 117#define _(string) dgettext(MODULE_NAME, string) 118#else 119#define _(string) string 120#endif 121 122#define N_(string) string 123 124/* 125 * here is the string to inform the user that the new passwords they 126 * typed were not the same. 127 */ 128 129#define MISTYPED_PASS _("Sorry, passwords do not match") 130 131#define on(x, y) (x & y) 132#define off(x, y) (!(x & y)) 133 134#define PAM_WINBIND_NEW_AUTHTOK_REQD "PAM_WINBIND_NEW_AUTHTOK_REQD" 135#define PAM_WINBIND_NEW_AUTHTOK_REQD_DURING_AUTH "PAM_WINBIND_NEW_AUTHTOK_REQD_DURING_AUTH" 136#define PAM_WINBIND_HOMEDIR "PAM_WINBIND_HOMEDIR" 137#define PAM_WINBIND_LOGONSCRIPT "PAM_WINBIND_LOGONSCRIPT" 138#define PAM_WINBIND_LOGONSERVER "PAM_WINBIND_LOGONSERVER" 139#define PAM_WINBIND_PROFILEPATH "PAM_WINBIND_PROFILEPATH" 140#define PAM_WINBIND_PWD_LAST_SET "PAM_WINBIND_PWD_LAST_SET" 141 142#define SECONDS_PER_DAY 86400 143 144#define DEFAULT_DAYS_TO_WARN_BEFORE_PWD_EXPIRES 14 145 146#include "winbind_client.h" 147 148#define PAM_WB_REMARK_DIRECT(c,x)\ 149{\ 150 const char *error_string = NULL; \ 151 error_string = _get_ntstatus_error_string(x);\ 152 if (error_string != NULL) {\ 153 _make_remark(c, PAM_ERROR_MSG, error_string);\ 154 } else {\ 155 _make_remark(c, PAM_ERROR_MSG, x);\ 156 };\ 157}; 158 159#define LOGON_KRB5_FAIL_CLOCK_SKEW 0x02000000 160 161#define PAM_WB_CACHED_LOGON(x) (x & WBC_AUTH_USER_INFO_CACHED_ACCOUNT) 162#define PAM_WB_KRB5_CLOCK_SKEW(x) (x & LOGON_KRB5_FAIL_CLOCK_SKEW) 163#define PAM_WB_GRACE_LOGON(x) ((WBC_AUTH_USER_INFO_CACHED_ACCOUNT|WBC_AUTH_USER_INFO_GRACE_LOGON) == ( x & (WBC_AUTH_USER_INFO_CACHED_ACCOUNT|WBC_AUTH_USER_INFO_GRACE_LOGON))) 164 165struct pwb_context { 166 pam_handle_t *pamh; 167 int flags; 168 int argc; 169 const char **argv; 170 dictionary *dict; 171 uint32_t ctrl; 172}; 173 174#ifndef TALLOC_FREE 175#define TALLOC_FREE(ctx) do { talloc_free(ctx); ctx=NULL; } while(0) 176#endif 177#define TALLOC_ZERO_P(ctx, type) (type *)_talloc_zero(ctx, sizeof(type), #type) 178#define TALLOC_P(ctx, type) (type *)talloc_named_const(ctx, sizeof(type), #type) 179