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from The Open Group.
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/* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
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* Copyright © 2006 Sun Microsystems, Inc. All rights reserved.
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, and/or sell copies of the Software, and to permit persons
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* to whom the Software is furnished to do so, provided that the above
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* copyright notice(s) and this permission notice appear in all copies of
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* the Software and that both the above copyright notice(s) and this
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* permission notice appear in supporting documentation.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
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* OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
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* INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
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* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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* Except as contained in this notice, the name of a copyright holder
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* shall not be used in advertising or otherwise to promote the sale, use
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* or other dealings in this Software without prior written authorization
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* of the copyright holder.
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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/* $XFree86: xc/programs/xdm/greeter/greet.c,v 3.16tsi Exp $ */
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* xdm - display manager daemon
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int (*__xdm_PingServer)(struct display *d, Display *alternateDpy) = NULL;
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void (*__xdm_SessionPingFailed)(struct display *d) = NULL;
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void (*__xdm_Debug)(char * fmt, ...) = NULL;
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void (*__xdm_Debug)(const char * fmt, ...) = NULL;
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void (*__xdm_RegisterCloseOnFork)(int fd) = NULL;
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void (*__xdm_SecureDisplay)(struct display *d, Display *dpy) = NULL;
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void (*__xdm_UnsecureDisplay)(struct display *d, Display *dpy) = NULL;
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void (*__xdm_ClearCloseOnFork)(int fd) = NULL;
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void (*__xdm_SetupDisplay)(struct display *d) = NULL;
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void (*__xdm_LogError)(char * fmt, ...) = NULL;
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void (*__xdm_LogError)(const char * fmt, ...) = NULL;
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void (*__xdm_SessionExit)(struct display *d, int status, int removeAuth) = NULL;
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void (*__xdm_DeleteXloginResources)(struct display *d, Display *dpy) = NULL;
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int (*__xdm_source)(char **environ, char *file) = NULL;
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char **(*__xdm_parseArgs)(char **argv, char *string) = NULL;
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void (*__xdm_printEnv)(char **e) = NULL;
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char **(*__xdm_systemEnv)(struct display *d, char *user, char *home) = NULL;
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void (*__xdm_LogOutOfMem)(char * fmt, ...) = NULL;
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void (*__xdm_LogOutOfMem)(const char * fmt, ...) = NULL;
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void (*__xdm_setgrent)(void) = NULL;
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struct group *(*__xdm_getgrent)(void) = NULL;
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void (*__xdm_endgrent)(void) = NULL;
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struct spwd *(*__xdm_getspnam)(GETSPNAM_ARGS) = NULL;
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void (*__xdm_endspent)(void) = NULL;
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# endif /* QNX4 doesn't use endspent */
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# endif /* QNX4 doesn't use endspent */
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struct passwd *(*__xdm_getpwnam)(GETPWNAM_ARGS) = NULL;
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#if defined(linux) || defined(__GLIBC__)
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# if defined(linux) || defined(__GLIBC__)
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void (*__xdm_endpwent)(void) = NULL;
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char *(*__xdm_crypt)(CRYPT_ARGS) = NULL;
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pam_handle_t **(*__xdm_thepamhp)(void) = NULL;
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#ifdef SECURE_RPC
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#include <rpc/key_prot.h>
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# include <rpc/rpc.h>
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# include <rpc/key_prot.h>
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#include <krb5/krb5.h>
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# include <krb5/krb5.h>
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extern Display *dpy;
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__xdm_setgrent = dlfuncs->_setgrent;
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__xdm_getgrent = dlfuncs->_getgrent;
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__xdm_endgrent = dlfuncs->_endgrent;
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__xdm_getspnam = dlfuncs->_getspnam;
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__xdm_endspent = dlfuncs->_endspent;
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# endif /* QNX4 doesn't use endspent */
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# endif /* QNX4 doesn't use endspent */
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__xdm_getpwnam = dlfuncs->_getpwnam;
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#if defined(linux) || defined(__GLIBC__)
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# if defined(linux) || defined(__GLIBC__)
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__xdm_endpwent = dlfuncs->_endpwent;
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__xdm_crypt = dlfuncs->_crypt;
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__xdm_thepamhp = dlfuncs->_thepamhp;
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*dpy = InitGreet (d);
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struct myconv_data pcd = { d, greet, NULL };
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struct pam_conv pc = { pamconv, &pcd };
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const char * pam_fname;
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char * username = NULL;
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const char * login_prompt;
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SetPrompt(login, 0, NULL, LOGIN_PROMPT_NOT_SHOWN, False);
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SetPrompt(login, LOGIN_PROMPT_USERNAME, NULL, LOGIN_PROMPT_NOT_SHOWN, False);
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login_prompt = GetPrompt(login, LOGIN_PROMPT_USERNAME);
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SetPrompt(login, 1, NULL, LOGIN_PROMPT_NOT_SHOWN, False);
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#define RUN_AND_CHECK_PAM_ERROR(function, args) \
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SetPrompt(login, LOGIN_PROMPT_PASSWORD, NULL, LOGIN_PROMPT_NOT_SHOWN, False);
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# define RUN_AND_CHECK_PAM_ERROR(function, args) \
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pam_error = function args; \
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if (pam_error != PAM_SUCCESS) { \
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PAM_ERROR_PRINT(#function, *pamhp); \
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RUN_AND_CHECK_PAM_ERROR(pam_start,
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("xdm", NULL, &pc, pamhp));
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LogOutOfMem("GreetUser");
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char *colon = strrchr(hostname, ':');
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if (colon != NULL)
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RUN_AND_CHECK_PAM_ERROR(pam_set_item,
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(*pamhp, PAM_RHOST, hostname));
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RUN_AND_CHECK_PAM_ERROR(pam_set_item, (*pamhp, PAM_TTY, d->name));
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if (!greet->allow_null_passwd) {
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pam_flags |= PAM_DISALLOW_NULL_AUTHTOK;
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RUN_AND_CHECK_PAM_ERROR(pam_authenticate,
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(*pamhp, pam_flags));
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/* handle expired passwords */
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pam_error = pam_acct_mgmt(*pamhp, pam_flags);
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pam_fname = "pam_acct_mgmt";
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= { "<invalid pam msg style>",
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"PAM_PROMPT_ECHO_OFF", "PAM_PROMPT_ECHO_ON",
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"PAM_ERROR_MSG", "PAM_TEXT_INFO" } ;
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struct pam_message *m;
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struct pam_response *r;
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struct myconv_data *d = (struct myconv_data *) appdata_ptr;
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pam_handle_t **pamhp = thepamhp();
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*response = calloc(num_msg, sizeof (struct pam_response));
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if (*response == NULL)
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return (PAM_BUF_ERR);
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m = (struct pam_message *)*msg;
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status = PAM_CONV_ERR;
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for (i = 0; i < num_msg; i++ , m++ , r++) {
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int promptId = 0;
added
removed
greeter/greet.c
