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Unix SMB/CIFS implementation.
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Copyright (C) Andrew Tridgell 1992-2001
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Copyright (C) John H Terpsta 1999-2001
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Copyright (C) Andrew Bartlett 2001
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Copyright (C) Jeremy Allison 2001
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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* This module provides PAM based functions for validation of
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* username/password pairs, account managment, session and access control.
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* Note: SMB password checking is done in smbpass.c
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#define DBGC_CLASS DBGC_AUTH
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/*******************************************************************
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* Handle PAM authentication
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* - Access, Authentication, Session, Password
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* Note: See PAM Documentation and refer to local system PAM implementation
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* which determines what actions/limitations/allowances become affected.
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*********************************************************************/
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#if defined(HAVE_SECURITY_PAM_APPL_H)
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#include <security/pam_appl.h>
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#elif defined(HAVE_PAM_PAM_APPL_H)
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#include <pam/pam_appl.h>
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* Structure used to communicate between the conversation function
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* and the server_login/change password functions.
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struct smb_pam_userdata {
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const char *PAM_username;
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const char *PAM_password;
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const char *PAM_newpassword;
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typedef int (*smb_pam_conv_fn)(int, const struct pam_message **, struct pam_response **, void *appdata_ptr);
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* Macros to help make life easy
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#define COPY_STRING(s) (s) ? SMB_STRDUP(s) : NULL
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/*******************************************************************
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*********************************************************************/
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static bool smb_pam_error_handler(pam_handle_t *pamh, int pam_error, const char *msg, int dbglvl)
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if( pam_error != PAM_SUCCESS) {
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DEBUG(dbglvl, ("smb_pam_error_handler: PAM: %s : %s\n",
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msg, pam_strerror(pamh, pam_error)));
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/*******************************************************************
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This function is a sanity check, to make sure that we NEVER report
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*********************************************************************/
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static bool smb_pam_nt_status_error_handler(pam_handle_t *pamh, int pam_error,
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const char *msg, int dbglvl,
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*nt_status = pam_to_nt_status(pam_error);
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if (smb_pam_error_handler(pamh, pam_error, msg, dbglvl))
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if (NT_STATUS_IS_OK(*nt_status)) {
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DEBUG(0, ("smb_pam_nt_status_error_handler: PAM: BUG: PAM and NT_STATUS \
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error MISMATCH, forcing to NT_STATUS_LOGON_FAILURE"));
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*nt_status = NT_STATUS_LOGON_FAILURE;
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* PAM conversation function
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* Here we assume (for now, at least) that echo on means login name, and
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* echo off means password.
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static int smb_pam_conv(int num_msg,
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const struct pam_message **msg,
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struct pam_response **resp,
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struct pam_response *reply = NULL;
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struct smb_pam_userdata *udp = (struct smb_pam_userdata *)appdata_ptr;
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* Apparantly HPUX has a buggy PAM that doesn't support the
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* appdata_ptr. Fail if this is the case. JRA.
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DEBUG(0,("smb_pam_conv: PAM on this system is broken - appdata_ptr == NULL !\n"));
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reply = SMB_MALLOC_ARRAY(struct pam_response, num_msg);
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memset(reply, '\0', sizeof(struct pam_response) * num_msg);
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for (replies = 0; replies < num_msg; replies++) {
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switch (msg[replies]->msg_style) {
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case PAM_PROMPT_ECHO_ON:
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reply[replies].resp_retcode = PAM_SUCCESS;
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reply[replies].resp = COPY_STRING(udp->PAM_username);
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case PAM_PROMPT_ECHO_OFF:
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reply[replies].resp_retcode = PAM_SUCCESS;
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reply[replies].resp = COPY_STRING(udp->PAM_password);
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reply[replies].resp_retcode = PAM_SUCCESS;
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reply[replies].resp = NULL;
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/* Must be an error of some sort... */
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* PAM password change conversation function
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* Here we assume (for now, at least) that echo on means login name, and
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* echo off means password.
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static void special_char_sub(char *buf)
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all_string_sub(buf, "\\n", "", 0);
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all_string_sub(buf, "\\r", "", 0);
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all_string_sub(buf, "\\s", " ", 0);
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all_string_sub(buf, "\\t", "\t", 0);
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static void pwd_sub(char *buf, const char *username, const char *oldpass, const char *newpass)
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fstring_sub(buf, "%u", username);
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all_string_sub(buf, "%o", oldpass, sizeof(fstring));
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all_string_sub(buf, "%n", newpass, sizeof(fstring));
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struct chat_struct *next, *prev;
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/**************************************************************
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Create a linked list containing chat data.
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***************************************************************/
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static struct chat_struct *make_pw_chat(const char *p)
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struct chat_struct *list = NULL;
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struct chat_struct *t;
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TALLOC_CTX *frame = talloc_stackframe();
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t = SMB_MALLOC_P(struct chat_struct);
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DEBUG(0,("make_pw_chat: malloc failed!\n"));
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DLIST_ADD_END(list, t, struct chat_struct*);
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if (!next_token_talloc(frame, &p, &prompt, NULL)) {
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if (strequal(prompt,".")) {
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special_char_sub(prompt);
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fstrcpy(t->prompt, prompt);
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strlower_m(t->prompt);
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trim_char(t->prompt, ' ', ' ');
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if (!next_token_talloc(frame, &p, &reply, NULL)) {
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if (strequal(reply,".")) {
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special_char_sub(reply);
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fstrcpy(t->reply, reply);
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strlower_m(t->reply);
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trim_char(t->reply, ' ', ' ');
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static void free_pw_chat(struct chat_struct *list)
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struct chat_struct *old_head = list;
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DLIST_REMOVE(list, list);
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static int smb_pam_passchange_conv(int num_msg,
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const struct pam_message **msg,
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struct pam_response **resp,
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struct pam_response *reply = NULL;
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fstring current_prompt;
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fstring current_reply;
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struct smb_pam_userdata *udp = (struct smb_pam_userdata *)appdata_ptr;
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struct chat_struct *pw_chat= make_pw_chat(lp_passwd_chat());
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struct chat_struct *t;
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DEBUG(10,("smb_pam_passchange_conv: starting converstation for %d messages\n", num_msg));
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* Apparantly HPUX has a buggy PAM that doesn't support the
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* appdata_ptr. Fail if this is the case. JRA.
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DEBUG(0,("smb_pam_passchange_conv: PAM on this system is broken - appdata_ptr == NULL !\n"));
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free_pw_chat(pw_chat);
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reply = SMB_MALLOC_ARRAY(struct pam_response, num_msg);
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DEBUG(0,("smb_pam_passchange_conv: malloc for reply failed!\n"));
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free_pw_chat(pw_chat);
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for (replies = 0; replies < num_msg; replies++) {
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DEBUG(10,("smb_pam_passchange_conv: Processing message %d\n", replies));
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switch (msg[replies]->msg_style) {
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case PAM_PROMPT_ECHO_ON:
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DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_ON: PAM said: %s\n", msg[replies]->msg));
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fstrcpy(current_prompt, msg[replies]->msg);
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trim_char(current_prompt, ' ', ' ');
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for (t=pw_chat; t; t=t->next) {
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DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_ON: trying to match |%s| to |%s|\n",
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t->prompt, current_prompt ));
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if (unix_wild_match(t->prompt, current_prompt)) {
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fstrcpy(current_reply, t->reply);
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DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_ON: We sent: %s\n", current_reply));
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pwd_sub(current_reply, udp->PAM_username, udp->PAM_password, udp->PAM_newpassword);
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#ifdef DEBUG_PASSWORD
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DEBUG(100,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_ON: We actualy sent: %s\n", current_reply));
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reply[replies].resp_retcode = PAM_SUCCESS;
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reply[replies].resp = COPY_STRING(current_reply);
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DEBUG(3,("smb_pam_passchange_conv: Could not find reply for PAM prompt: %s\n",msg[replies]->msg));
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free_pw_chat(pw_chat);
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case PAM_PROMPT_ECHO_OFF:
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DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_OFF: PAM said: %s\n", msg[replies]->msg));
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fstrcpy(current_prompt, msg[replies]->msg);
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trim_char(current_prompt, ' ', ' ');
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for (t=pw_chat; t; t=t->next) {
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DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_OFF: trying to match |%s| to |%s|\n",
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t->prompt, current_prompt ));
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if (unix_wild_match(t->prompt, current_prompt)) {
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fstrcpy(current_reply, t->reply);
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DEBUG(10,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_OFF: We sent: %s\n", current_reply));
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pwd_sub(current_reply, udp->PAM_username, udp->PAM_password, udp->PAM_newpassword);
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reply[replies].resp_retcode = PAM_SUCCESS;
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reply[replies].resp = COPY_STRING(current_reply);
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#ifdef DEBUG_PASSWORD
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DEBUG(100,("smb_pam_passchange_conv: PAM_PROMPT_ECHO_OFF: We actualy sent: %s\n", current_reply));
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DEBUG(3,("smb_pam_passchange_conv: Could not find reply for PAM prompt: %s\n",msg[replies]->msg));
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free_pw_chat(pw_chat);
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reply[replies].resp_retcode = PAM_SUCCESS;
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reply[replies].resp = NULL;
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/* Must be an error of some sort... */
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free_pw_chat(pw_chat);
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free_pw_chat(pw_chat);
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/***************************************************************************
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Free up a malloced pam_conv struct.
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****************************************************************************/
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static void smb_free_pam_conv(struct pam_conv *pconv)
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SAFE_FREE(pconv->appdata_ptr);
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/***************************************************************************
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Allocate a pam_conv struct.
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****************************************************************************/
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static struct pam_conv *smb_setup_pam_conv(smb_pam_conv_fn smb_pam_conv_fnptr, const char *user,
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const char *passwd, const char *newpass)
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struct pam_conv *pconv = SMB_MALLOC_P(struct pam_conv);
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struct smb_pam_userdata *udp = SMB_MALLOC_P(struct smb_pam_userdata);
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if (pconv == NULL || udp == NULL) {
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udp->PAM_username = user;
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udp->PAM_password = passwd;
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udp->PAM_newpassword = newpass;
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pconv->conv = smb_pam_conv_fnptr;
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pconv->appdata_ptr = (void *)udp;
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* PAM Closing out cleanup handler
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static bool smb_pam_end(pam_handle_t *pamh, struct pam_conv *smb_pam_conv_ptr)
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smb_free_pam_conv(smb_pam_conv_ptr);
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pam_error = pam_end(pamh, 0);
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if(smb_pam_error_handler(pamh, pam_error, "End Cleanup Failed", 2) == True) {
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DEBUG(4, ("smb_pam_end: PAM: PAM_END OK.\n"));
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DEBUG(2,("smb_pam_end: PAM: not initialised"));
458
* Start PAM authentication for specified account
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static bool smb_pam_start(pam_handle_t **pamh, const char *user, const char *rhost, struct pam_conv *pconv)
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const char *our_rhost;
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char addr[INET6_ADDRSTRLEN];
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*pamh = (pam_handle_t *)NULL;
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DEBUG(4,("smb_pam_start: PAM: Init user: %s\n", user));
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pam_error = pam_start("samba", user, pconv, pamh);
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if( !smb_pam_error_handler(*pamh, pam_error, "Init Failed", 0)) {
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*pamh = (pam_handle_t *)NULL;
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our_rhost = client_name(get_client_fd());
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if (strequal(our_rhost,"UNKNOWN"))
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our_rhost = client_addr(get_client_fd(),addr,sizeof(addr));
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DEBUG(4,("smb_pam_start: PAM: setting rhost to: %s\n", our_rhost));
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pam_error = pam_set_item(*pamh, PAM_RHOST, our_rhost);
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if(!smb_pam_error_handler(*pamh, pam_error, "set rhost failed", 0)) {
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smb_pam_end(*pamh, pconv);
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*pamh = (pam_handle_t *)NULL;
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DEBUG(4,("smb_pam_start: PAM: setting tty\n"));
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pam_error = pam_set_item(*pamh, PAM_TTY, "samba");
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if (!smb_pam_error_handler(*pamh, pam_error, "set tty failed", 0)) {
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smb_pam_end(*pamh, pconv);
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*pamh = (pam_handle_t *)NULL;
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DEBUG(4,("smb_pam_start: PAM: Init passed for user: %s\n", user));
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* PAM Authentication Handler
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static NTSTATUS smb_pam_auth(pam_handle_t *pamh, const char *user)
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NTSTATUS nt_status = NT_STATUS_LOGON_FAILURE;
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* To enable debugging set in /etc/pam.d/samba:
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* auth required /lib/security/pam_pwdb.so nullok shadow audit
520
DEBUG(4,("smb_pam_auth: PAM: Authenticate User: %s\n", user));
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pam_error = pam_authenticate(pamh, PAM_SILENT | lp_null_passwords() ? 0 : PAM_DISALLOW_NULL_AUTHTOK);
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DEBUG(2, ("smb_pam_auth: PAM: Authentication Error for user %s\n", user));
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case PAM_CRED_INSUFFICIENT:
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DEBUG(2, ("smb_pam_auth: PAM: Insufficient Credentials for user %s\n", user));
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case PAM_AUTHINFO_UNAVAIL:
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DEBUG(2, ("smb_pam_auth: PAM: Authentication Information Unavailable for user %s\n", user));
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case PAM_USER_UNKNOWN:
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DEBUG(2, ("smb_pam_auth: PAM: Username %s NOT known to Authentication system\n", user));
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DEBUG(2, ("smb_pam_auth: PAM: One or more authentication modules reports user limit for user %s exceeeded\n", user));
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DEBUG(0, ("smb_pam_auth: PAM: One or more PAM modules failed to load for user %s\n", user));
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DEBUG(4, ("smb_pam_auth: PAM: User %s Authenticated OK\n", user));
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DEBUG(0, ("smb_pam_auth: PAM: UNKNOWN ERROR while authenticating user %s\n", user));
549
smb_pam_nt_status_error_handler(pamh, pam_error, "Authentication Failure", 2, &nt_status);
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* PAM Account Handler
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static NTSTATUS smb_pam_account(pam_handle_t *pamh, const char * user)
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NTSTATUS nt_status = NT_STATUS_ACCOUNT_DISABLED;
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DEBUG(4,("smb_pam_account: PAM: Account Management for User: %s\n", user));
562
pam_error = pam_acct_mgmt(pamh, PAM_SILENT); /* Is user account enabled? */
563
switch( pam_error ) {
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case PAM_AUTHTOK_EXPIRED:
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DEBUG(2, ("smb_pam_account: PAM: User %s is valid but password is expired\n", user));
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case PAM_ACCT_EXPIRED:
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DEBUG(2, ("smb_pam_account: PAM: User %s no longer permitted to access system\n", user));
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DEBUG(2, ("smb_pam_account: PAM: There was an authentication error for user %s\n", user));
573
case PAM_PERM_DENIED:
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DEBUG(0, ("smb_pam_account: PAM: User %s is NOT permitted to access system at this time\n", user));
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case PAM_USER_UNKNOWN:
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DEBUG(0, ("smb_pam_account: PAM: User \"%s\" is NOT known to account management\n", user));
580
DEBUG(4, ("smb_pam_account: PAM: Account OK for User: %s\n", user));
583
DEBUG(0, ("smb_pam_account: PAM: UNKNOWN PAM ERROR (%d) during Account Management for User: %s\n", pam_error, user));
587
smb_pam_nt_status_error_handler(pamh, pam_error, "Account Check Failed", 2, &nt_status);
592
* PAM Credential Setting
595
static NTSTATUS smb_pam_setcred(pam_handle_t *pamh, const char * user)
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NTSTATUS nt_status = NT_STATUS_NO_TOKEN;
601
* This will allow samba to aquire a kerberos token. And, when
602
* exporting an AFS cell, be able to /write/ to this cell.
605
DEBUG(4,("PAM: Account Management SetCredentials for User: %s\n", user));
606
pam_error = pam_setcred(pamh, (PAM_ESTABLISH_CRED|PAM_SILENT));
607
switch( pam_error ) {
608
case PAM_CRED_UNAVAIL:
609
DEBUG(0, ("smb_pam_setcred: PAM: Credentials not found for user:%s\n", user ));
611
case PAM_CRED_EXPIRED:
612
DEBUG(0, ("smb_pam_setcred: PAM: Credentials for user: \"%s\" EXPIRED!\n", user ));
614
case PAM_USER_UNKNOWN:
615
DEBUG(0, ("smb_pam_setcred: PAM: User: \"%s\" is NOT known so can not set credentials!\n", user ));
618
DEBUG(0, ("smb_pam_setcred: PAM: Unknown setcredentials error - unable to set credentials for %s\n", user ));
621
DEBUG(4, ("smb_pam_setcred: PAM: SetCredentials OK for User: %s\n", user));
624
DEBUG(0, ("smb_pam_setcred: PAM: UNKNOWN PAM ERROR (%d) during SetCredentials for User: %s\n", pam_error, user));
628
smb_pam_nt_status_error_handler(pamh, pam_error, "Set Credential Failure", 2, &nt_status);
633
* PAM Internal Session Handler
635
static bool smb_internal_pam_session(pam_handle_t *pamh, const char *user, const char *tty, bool flag)
640
DEBUG(4,("smb_internal_pam_session: PAM: tty set to: %s\n", tty));
641
pam_error = pam_set_item(pamh, PAM_TTY, tty);
642
if (!smb_pam_error_handler(pamh, pam_error, "set tty failed", 0))
647
pam_error = pam_open_session(pamh, PAM_SILENT);
648
if (!smb_pam_error_handler(pamh, pam_error, "session setup failed", 0))
651
pam_setcred(pamh, (PAM_DELETE_CRED|PAM_SILENT)); /* We don't care if this fails */
652
pam_error = pam_close_session(pamh, PAM_SILENT); /* This will probably pick up the error anyway */
653
if (!smb_pam_error_handler(pamh, pam_error, "session close failed", 0))
660
* Internal PAM Password Changer.
663
static bool smb_pam_chauthtok(pam_handle_t *pamh, const char * user)
667
DEBUG(4,("smb_pam_chauthtok: PAM: Password Change for User: %s\n", user));
669
pam_error = pam_chauthtok(pamh, PAM_SILENT); /* Change Password */
671
switch( pam_error ) {
672
case PAM_AUTHTOK_ERR:
673
DEBUG(2, ("PAM: unable to obtain the new authentication token - is password to weak?\n"));
676
/* This doesn't seem to be defined on Solaris. JRA */
677
#ifdef PAM_AUTHTOK_RECOVER_ERR
678
case PAM_AUTHTOK_RECOVER_ERR:
679
DEBUG(2, ("PAM: unable to obtain the old authentication token - was the old password wrong?.\n"));
683
case PAM_AUTHTOK_LOCK_BUSY:
684
DEBUG(2, ("PAM: unable to change the authentication token since it is currently locked.\n"));
686
case PAM_AUTHTOK_DISABLE_AGING:
687
DEBUG(2, ("PAM: Authentication token aging has been disabled.\n"));
689
case PAM_PERM_DENIED:
690
DEBUG(0, ("PAM: Permission denied.\n"));
693
DEBUG(0, ("PAM: Could not update all authentication token(s). No authentication tokens were updated.\n"));
695
case PAM_USER_UNKNOWN:
696
DEBUG(0, ("PAM: User not known to PAM\n"));
699
DEBUG(4, ("PAM: Account OK for User: %s\n", user));
702
DEBUG(0, ("PAM: UNKNOWN PAM ERROR (%d) for User: %s\n", pam_error, user));
705
if(!smb_pam_error_handler(pamh, pam_error, "Password Change Failed", 2)) {
709
/* If this point is reached, the password has changed. */
714
* PAM Externally accessible Session handler
717
bool smb_pam_claim_session(char *user, char *tty, char *rhost)
719
pam_handle_t *pamh = NULL;
720
struct pam_conv *pconv = NULL;
722
/* Ignore PAM if told to. */
724
if (!lp_obey_pam_restrictions())
727
if ((pconv = smb_setup_pam_conv(smb_pam_conv, user, NULL, NULL)) == NULL)
730
if (!smb_pam_start(&pamh, user, rhost, pconv))
733
if (!smb_internal_pam_session(pamh, user, tty, True)) {
734
smb_pam_end(pamh, pconv);
738
return smb_pam_end(pamh, pconv);
742
* PAM Externally accessible Session handler
745
bool smb_pam_close_session(char *user, char *tty, char *rhost)
747
pam_handle_t *pamh = NULL;
748
struct pam_conv *pconv = NULL;
750
/* Ignore PAM if told to. */
752
if (!lp_obey_pam_restrictions())
755
if ((pconv = smb_setup_pam_conv(smb_pam_conv, user, NULL, NULL)) == NULL)
758
if (!smb_pam_start(&pamh, user, rhost, pconv))
761
if (!smb_internal_pam_session(pamh, user, tty, False)) {
762
smb_pam_end(pamh, pconv);
766
return smb_pam_end(pamh, pconv);
770
* PAM Externally accessible Account handler
773
NTSTATUS smb_pam_accountcheck(const char * user)
775
NTSTATUS nt_status = NT_STATUS_ACCOUNT_DISABLED;
776
pam_handle_t *pamh = NULL;
777
struct pam_conv *pconv = NULL;
779
/* Ignore PAM if told to. */
781
if (!lp_obey_pam_restrictions())
784
if ((pconv = smb_setup_pam_conv(smb_pam_conv, user, NULL, NULL)) == NULL)
785
return NT_STATUS_NO_MEMORY;
787
if (!smb_pam_start(&pamh, user, NULL, pconv))
788
return NT_STATUS_ACCOUNT_DISABLED;
790
if (!NT_STATUS_IS_OK(nt_status = smb_pam_account(pamh, user)))
791
DEBUG(0, ("smb_pam_accountcheck: PAM: Account Validation Failed - Rejecting User %s!\n", user));
793
smb_pam_end(pamh, pconv);
798
* PAM Password Validation Suite
801
NTSTATUS smb_pam_passcheck(const char * user, const char * password)
803
pam_handle_t *pamh = NULL;
804
NTSTATUS nt_status = NT_STATUS_LOGON_FAILURE;
805
struct pam_conv *pconv = NULL;
808
* Note we can't ignore PAM here as this is the only
809
* way of doing auths on plaintext passwords when
810
* compiled --with-pam.
813
if ((pconv = smb_setup_pam_conv(smb_pam_conv, user, password, NULL)) == NULL)
814
return NT_STATUS_LOGON_FAILURE;
816
if (!smb_pam_start(&pamh, user, NULL, pconv))
817
return NT_STATUS_LOGON_FAILURE;
819
if (!NT_STATUS_IS_OK(nt_status = smb_pam_auth(pamh, user))) {
820
DEBUG(0, ("smb_pam_passcheck: PAM: smb_pam_auth failed - Rejecting User %s !\n", user));
821
smb_pam_end(pamh, pconv);
825
if (!NT_STATUS_IS_OK(nt_status = smb_pam_account(pamh, user))) {
826
DEBUG(0, ("smb_pam_passcheck: PAM: smb_pam_account failed - Rejecting User %s !\n", user));
827
smb_pam_end(pamh, pconv);
831
if (!NT_STATUS_IS_OK(nt_status = smb_pam_setcred(pamh, user))) {
832
DEBUG(0, ("smb_pam_passcheck: PAM: smb_pam_setcred failed - Rejecting User %s !\n", user));
833
smb_pam_end(pamh, pconv);
837
smb_pam_end(pamh, pconv);
842
* PAM Password Change Suite
845
bool smb_pam_passchange(const char * user, const char * oldpassword, const char * newpassword)
847
/* Appropriate quantities of root should be obtained BEFORE calling this function */
848
struct pam_conv *pconv = NULL;
849
pam_handle_t *pamh = NULL;
851
if ((pconv = smb_setup_pam_conv(smb_pam_passchange_conv, user, oldpassword, newpassword)) == NULL)
854
if(!smb_pam_start(&pamh, user, NULL, pconv))
857
if (!smb_pam_chauthtok(pamh, user)) {
858
DEBUG(0, ("smb_pam_passchange: PAM: Password Change Failed for user %s!\n", user));
859
smb_pam_end(pamh, pconv);
863
return smb_pam_end(pamh, pconv);
868
/* If PAM not used, no PAM restrictions on accounts. */
869
NTSTATUS smb_pam_accountcheck(const char * user)
874
/* If PAM not used, also no PAM restrictions on sessions. */
875
bool smb_pam_claim_session(char *user, char *tty, char *rhost)
880
/* If PAM not used, also no PAM restrictions on sessions. */
881
bool smb_pam_close_session(char *in_user, char *tty, char *rhost)
885
#endif /* WITH_PAM */