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/* pam_winbind header file
(Solaris needs some macros from Linux for common PAM code)
Shirish Kalele 2000
*/
#include "../lib/replace/replace.h"
#include "system/syslog.h"
#include "system/time.h"
#include <talloc.h>
#include "libwbclient/wbclient.h"
#define MODULE_NAME "pam_winbind"
#define PAM_SM_AUTH
#define PAM_SM_ACCOUNT
#define PAM_SM_PASSWORD
#define PAM_SM_SESSION
#ifndef PAM_WINBIND_CONFIG_FILE
#define PAM_WINBIND_CONFIG_FILE "/etc/security/pam_winbind.conf"
#endif
#include <iniparser.h>
#ifndef LINUX
/* Solaris always uses dynamic pam modules */
#define PAM_EXTERN extern
#if defined(HAVE_SECURITY_PAM_APPL_H)
#include <security/pam_appl.h>
#elif defined(HAVE_PAM_PAM_APPL_H)
#include <pam/pam_appl.h>
#endif
#ifndef PAM_AUTHTOK_RECOVER_ERR
#define PAM_AUTHTOK_RECOVER_ERR PAM_AUTHTOK_RECOVERY_ERR
#endif
#endif /* defined(SUNOS5) || defined(SUNOS4) || defined(HPUX) || defined(FREEBSD) || defined(AIX) */
#if defined(HAVE_SECURITY_PAM_MODULES_H)
#include <security/pam_modules.h>
#elif defined(HAVE_PAM_PAM_MODULES_H)
#include <pam/pam_modules.h>
#endif
#if defined(HAVE_SECURITY__PAM_MACROS_H)
#include <security/_pam_macros.h>
#elif defined(HAVE_PAM__PAM_MACROS_H)
#include <pam/_pam_macros.h>
#else
/* Define required macros from (Linux PAM 0.68) security/_pam_macros.h */
#define _pam_drop_reply(/* struct pam_response * */ reply, /* int */ replies) \
do { \
int reply_i; \
\
for (reply_i=0; reply_i<replies; ++reply_i) { \
if (reply[reply_i].resp) { \
_pam_overwrite(reply[reply_i].resp); \
free(reply[reply_i].resp); \
} \
} \
if (reply) \
free(reply); \
} while (0)
#define _pam_overwrite(x) \
do { \
register char *__xx__; \
if ((__xx__=(x))) \
while (*__xx__) \
*__xx__++ = '\0'; \
} while (0)
/*
* Don't just free it, forget it too.
*/
#define _pam_drop(X) SAFE_FREE(X)
#define x_strdup(s) ( (s) ? strdup(s):NULL )
#endif /* HAVE_SECURITY__PAM_MACROS_H */
#ifdef HAVE_SECURITY_PAM_EXT_H
#include <security/pam_ext.h>
#endif
#define WINBIND_DEBUG_ARG 0x00000001
#define WINBIND_USE_AUTHTOK_ARG 0x00000002
#define WINBIND_UNKNOWN_OK_ARG 0x00000004
#define WINBIND_TRY_FIRST_PASS_ARG 0x00000008
#define WINBIND_USE_FIRST_PASS_ARG 0x00000010
#define WINBIND__OLD_PASSWORD 0x00000020
#define WINBIND_REQUIRED_MEMBERSHIP 0x00000040
#define WINBIND_KRB5_AUTH 0x00000080
#define WINBIND_KRB5_CCACHE_TYPE 0x00000100
#define WINBIND_CACHED_LOGIN 0x00000200
#define WINBIND_CONFIG_FILE 0x00000400
#define WINBIND_SILENT 0x00000800
#define WINBIND_DEBUG_STATE 0x00001000
#define WINBIND_WARN_PWD_EXPIRE 0x00002000
/*
* here is the string to inform the user that the new passwords they
* typed were not the same.
*/
#define MISTYPED_PASS "Sorry, passwords do not match"
#define on(x, y) (x & y)
#define off(x, y) (!(x & y))
#define PAM_WINBIND_NEW_AUTHTOK_REQD "PAM_WINBIND_NEW_AUTHTOK_REQD"
#define PAM_WINBIND_NEW_AUTHTOK_REQD_DURING_AUTH "PAM_WINBIND_NEW_AUTHTOK_REQD_DURING_AUTH"
#define PAM_WINBIND_HOMEDIR "PAM_WINBIND_HOMEDIR"
#define PAM_WINBIND_LOGONSCRIPT "PAM_WINBIND_LOGONSCRIPT"
#define PAM_WINBIND_LOGONSERVER "PAM_WINBIND_LOGONSERVER"
#define PAM_WINBIND_PROFILEPATH "PAM_WINBIND_PROFILEPATH"
#define PAM_WINBIND_PWD_LAST_SET "PAM_WINBIND_PWD_LAST_SET"
#define SECONDS_PER_DAY 86400
#define DEFAULT_DAYS_TO_WARN_BEFORE_PWD_EXPIRES 14
#include "winbind_client.h"
#define PAM_WB_REMARK_DIRECT(c,x)\
{\
const char *error_string = NULL; \
error_string = _get_ntstatus_error_string(x);\
if (error_string != NULL) {\
_make_remark(c, PAM_ERROR_MSG, error_string);\
} else {\
_make_remark(c, PAM_ERROR_MSG, x);\
};\
};
#define PAM_WB_REMARK_DIRECT_RET(h,f,x)\
{\
const char *error_string = NULL; \
error_string = _get_ntstatus_error_string(x);\
if (error_string != NULL) {\
_make_remark(h, f, PAM_ERROR_MSG, error_string);\
return ret;\
};\
_make_remark(h, f, PAM_ERROR_MSG, x);\
return ret;\
};
#define PAM_WB_REMARK_CHECK_RESPONSE(c,x,y)\
{\
const char *ntstatus = x.data.auth.nt_status_string; \
const char *error_string = NULL; \
if (!strcasecmp(ntstatus,y)) {\
error_string = _get_ntstatus_error_string(y);\
if (error_string != NULL) {\
_make_remark(c, PAM_ERROR_MSG, error_string);\
};\
if (x.data.auth.error_string[0] != '\0') {\
_make_remark(c, PAM_ERROR_MSG, x.data.auth.error_string);\
};\
_make_remark(c, PAM_ERROR_MSG, y);\
};\
};
#define PAM_WB_REMARK_CHECK_RESPONSE_RET(c,x,y)\
{\
const char *ntstatus = x.data.auth.nt_status_string; \
const char *error_string = NULL; \
if (!strcasecmp(ntstatus,y)) {\
error_string = _get_ntstatus_error_string(y);\
if (error_string != NULL) {\
_make_remark(c, PAM_ERROR_MSG, error_string);\
return ret;\
};\
if (x.data.auth.error_string[0] != '\0') {\
_make_remark(c, PAM_ERROR_MSG, x.data.auth.error_string);\
return ret;\
};\
_make_remark(c, PAM_ERROR_MSG, y);\
return ret;\
};\
};
/* from samr.idl */
#define DOMAIN_PASSWORD_COMPLEX 0x00000001
#define SAMR_REJECT_OTHER 0x00000000
#define SAMR_REJECT_TOO_SHORT 0x00000001
#define SAMR_REJECT_IN_HISTORY 0x00000002
#define SAMR_REJECT_COMPLEXITY 0x00000005
#define ACB_PWNOEXP 0x00000200
/* from netlogon.idl */
#define NETLOGON_CACHED_ACCOUNT 0x00000004
#define NETLOGON_GRACE_LOGON 0x01000000
/* from include/rpc_netlogon.h */
#define LOGON_KRB5_FAIL_CLOCK_SKEW 0x02000000
#define PAM_WB_CACHED_LOGON(x) (x & NETLOGON_CACHED_ACCOUNT)
#define PAM_WB_KRB5_CLOCK_SKEW(x) (x & LOGON_KRB5_FAIL_CLOCK_SKEW)
#define PAM_WB_GRACE_LOGON(x) ((NETLOGON_CACHED_ACCOUNT|NETLOGON_GRACE_LOGON) == ( x & (NETLOGON_CACHED_ACCOUNT|NETLOGON_GRACE_LOGON)))
struct pwb_context {
pam_handle_t *pamh;
int flags;
int argc;
const char **argv;
dictionary *dict;
uint32_t ctrl;
};
#define TALLOC_FREE(ctx) do { if ((ctx) != NULL) {talloc_free(ctx); ctx=NULL;} } while(0)
#define TALLOC_ZERO_P(ctx, type) (type *)_talloc_zero(ctx, sizeof(type), #type)
#define TALLOC_P(ctx, type) (type *)talloc_named_const(ctx, sizeof(type), #type)
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