/* * Unix SMB/CIFS implementation. * SMB parameters and setup * Copyright (C) Andrew Tridgell 1992-1998 Modified by Jeremy Allison 1995. * Copyright (C) Benny Holmgren 1998 * Copyright (C) Luke Kenneth Casson Leighton 1996-1998. * Copyright (C) Toomas Soome 2001 * * This program is free software; you can redistribute it and/or modify it under * the terms of the GNU General Public License as published by the Free * Software Foundation; either version 2 of the License, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., 675 * Mass Ave, Cambridge, MA 02139, USA. */ #include "includes.h" #ifdef WITH_NISPLUS_SAM #ifdef BROKEN_NISPLUS_INCLUDE_FILES /* * The following lines are needed due to buggy include files * in Solaris 2.6 which define GROUP in both /usr/include/sys/acl.h and * also in /usr/include/rpcsvc/nis.h. The definitions conflict. JRA. * Also GROUP_OBJ is defined as 0x4 in /usr/include/sys/acl.h and as * an enum in /usr/include/rpcsvc/nis.h. */ #if defined(GROUP) #undef GROUP #endif #if defined(GROUP_OBJ) #undef GROUP_OBJ #endif #endif #include extern int DEBUGLEVEL; struct nisp_enum_info { nis_result *result; int enum_entry; }; static struct nisp_enum_info global_nisp_ent; static VOLATILE sig_atomic_t gotalarm; /*************************************************************** the fields for the NIS+ table, generated from mknissmbpwtbl.sh, are: name=S,nogw=r uid=S,nogw=r user_rid=S,nogw=r smb_grpid=,nw+r group_rid=,nw+r acb=,nw+r lmpwd=C,nw=,g=r,o=rm ntpwd=C,nw=,g=r,o=rm logon_t=,nw+r logoff_t=,nw+r kick_t=,nw+r pwdlset_t=,nw+r pwdlchg_t=,nw+r pwdmchg_t=,nw+r full_name=,nw+r home_dir=,nw+r dir_drive=,nw+r logon_script=,nw+r profile_path=,nw+r acct_desc=,nw+r workstations=,nw+r hours=,nw+r ****************************************************************/ #define NPF_NAME 0 #define NPF_UID 1 #define NPF_USER_RID 2 #define NPF_SMB_GRPID 3 #define NPF_GROUP_RID 4 #define NPF_ACB 5 #define NPF_LMPWD 6 #define NPF_NTPWD 7 #define NPF_LOGON_T 8 #define NPF_LOGOFF_T 9 #define NPF_KICK_T 10 #define NPF_PWDLSET_T 11 #define NPF_PWDCCHG_T 12 #define NPF_PWDMCHG_T 13 #define NPF_FULL_NAME 14 #define NPF_HOME_DIR 15 #define NPF_DIR_DRIVE 16 #define NPF_LOGON_SCRIPT 17 #define NPF_PROFILE_PATH 18 #define NPF_ACCT_DESC 19 #define NPF_WORKSTATIONS 20 #define NPF_HOURS 21 /******************************************************************* Converts NT user RID to a UNIX uid. ********************************************************************/ static uid_t pdb_user_rid_to_uid(uint32 user_rid) { return (uid_t)(((user_rid & (~USER_RID_TYPE))- 1000)/RID_MULTIPLIER); } /******************************************************************* converts UNIX uid to an NT User RID. ********************************************************************/ static uint32 pdb_uid_to_user_rid(uid_t uid) { return (((((uint32)uid)*RID_MULTIPLIER) + 1000) | USER_RID_TYPE); } /*************************************************************** Signal function to tell us we timed out. ****************************************************************/ static void gotalarm_sig(void) { gotalarm = 1; } /*************************************************************** make_nisname_from_user_rid ****************************************************************/ static char *make_nisname_from_user_rid(uint32 rid, char *pfile) { static pstring nisname; safe_strcpy(nisname, "[user_rid=", sizeof(nisname)-1); slprintf(nisname, sizeof(nisname)-1, "%s%d", nisname, rid); safe_strcat(nisname, "],", sizeof(nisname)-strlen(nisname)-1); safe_strcat(nisname, pfile, sizeof(nisname)-strlen(nisname)-1); return nisname; } /*************************************************************** make_nisname_from_uid ****************************************************************/ static char *make_nisname_from_uid(int uid, char *pfile) { static pstring nisname; safe_strcpy(nisname, "[uid=", sizeof(nisname)-1); slprintf(nisname, sizeof(nisname)-1, "%s%d", nisname, uid); safe_strcat(nisname, "],", sizeof(nisname)-strlen(nisname)-1); safe_strcat(nisname, pfile, sizeof(nisname)-strlen(nisname)-1); return nisname; } /*************************************************************** make_nisname_from_name ****************************************************************/ static char *make_nisname_from_name(const char *user_name, char *pfile) { static pstring nisname; safe_strcpy(nisname, "[name=", sizeof(nisname)-1); safe_strcat(nisname, user_name, sizeof(nisname) - strlen(nisname) - 1); safe_strcat(nisname, "],", sizeof(nisname)-strlen(nisname)-1); safe_strcat(nisname, pfile, sizeof(nisname)-strlen(nisname)-1); return nisname; } /************************************************************************* gets a NIS+ attribute *************************************************************************/ static void get_single_attribute(const nis_object *new_obj, int col, char *val, int len) { int entry_len; if (new_obj == NULL || val == NULL) return; entry_len = ENTRY_LEN(new_obj, col); if (len > entry_len) { len = entry_len; } safe_strcpy(val, ENTRY_VAL(new_obj, col), len-1); } /************************************************************************ makes a struct sam_passwd from a NIS+ object. ************************************************************************/ static BOOL make_sam_from_nisp_object(SAM_ACCOUNT *pw_buf, const nis_object *obj) { char *ptr; pstring full_name; /* this must be translated to dos code page */ pstring acct_desc; /* this must be translated to dos code page */ pstring home_dir; /* set default value from smb.conf for user */ pstring home_drive; /* set default value from smb.conf for user */ pstring logon_script; /* set default value from smb.conf for user */ pstring profile_path; /* set default value from smb.conf for user */ pstring hours; int hours_len; unsigned char smbpwd[16]; unsigned char smbntpwd[16]; /* * time values. note: this code assumes 32bit time_t! */ /* Don't change these timestamp settings without a good reason. They are important for NT member server compatibility. */ pdb_set_logon_time(pw_buf, (time_t)0, True); ptr = (uchar *)ENTRY_VAL(obj, NPF_LOGON_T); if(ptr && *ptr && (StrnCaseCmp(ptr, "LNT-", 4)==0)) { int i; ptr += 4; for(i = 0; i < 8; i++) { if(ptr[i] == '\0' || !isxdigit(ptr[i])) break; } if(i == 8) { pdb_set_logon_time(pw_buf, (time_t)strtol(ptr, NULL, 16), True); } } pdb_set_logoff_time(pw_buf, get_time_t_max(), True); ptr = (uchar *)ENTRY_VAL(obj, NPF_LOGOFF_T); if(ptr && *ptr && (StrnCaseCmp(ptr, "LOT-", 4)==0)) { int i; ptr += 4; for(i = 0; i < 8; i++) { if(ptr[i] == '\0' || !isxdigit(ptr[i])) break; } if(i == 8) { pdb_set_logoff_time(pw_buf, (time_t)strtol(ptr, NULL, 16), True); } } pdb_set_kickoff_time(pw_buf, get_time_t_max(), True); ptr = (uchar *)ENTRY_VAL(obj, NPF_KICK_T); if(ptr && *ptr && (StrnCaseCmp(ptr, "KOT-", 4)==0)) { int i; ptr += 4; for(i = 0; i < 8; i++) { if(ptr[i] == '\0' || !isxdigit(ptr[i])) break; } if(i == 8) { pdb_set_kickoff_time(pw_buf, (time_t)strtol(ptr, NULL, 16), True); } } pdb_set_pass_last_set_time(pw_buf, (time_t)0); ptr = (uchar *)ENTRY_VAL(obj, NPF_PWDLSET_T); if(ptr && *ptr && (StrnCaseCmp(ptr, "LCT-", 4)==0)) { int i; ptr += 4; for(i = 0; i < 8; i++) { if(ptr[i] == '\0' || !isxdigit(ptr[i])) break; } if(i == 8) { pdb_set_pass_last_set_time(pw_buf, (time_t)strtol(ptr, NULL, 16)); } } pdb_set_pass_can_change_time(pw_buf, (time_t)0, True); ptr = (uchar *)ENTRY_VAL(obj, NPF_PWDCCHG_T); if(ptr && *ptr && (StrnCaseCmp(ptr, "CCT-", 4)==0)) { int i; ptr += 4; for(i = 0; i < 8; i++) { if(ptr[i] == '\0' || !isxdigit(ptr[i])) break; } if(i == 8) { pdb_set_pass_can_change_time(pw_buf, (time_t)strtol(ptr, NULL, 16), True); } } pdb_set_pass_must_change_time(pw_buf, get_time_t_max(), True); /* Password never expires. */ ptr = (uchar *)ENTRY_VAL(obj, NPF_PWDMCHG_T); if(ptr && *ptr && (StrnCaseCmp(ptr, "MCT-", 4)==0)) { int i; ptr += 4; for(i = 0; i < 8; i++) { if(ptr[i] == '\0' || !isxdigit(ptr[i])) break; } if(i == 8) { pdb_set_pass_must_change_time(pw_buf, (time_t)strtol(ptr, NULL, 16), True); } } /* string values */ pdb_set_username(pw_buf, ENTRY_VAL(obj, NPF_NAME)); pdb_set_domain(pw_buf, lp_workgroup()); /* pdb_set_nt_username() -- cant set it here... */ get_single_attribute(obj, NPF_FULL_NAME, full_name, sizeof(pstring)); #if 0 unix_to_dos(full_name, True); #endif pdb_set_fullname(pw_buf, full_name); pdb_set_acct_ctrl(pw_buf, pdb_decode_acct_ctrl(ENTRY_VAL(obj, NPF_ACB))); get_single_attribute(obj, NPF_ACCT_DESC, acct_desc, sizeof(pstring)); #if 0 unix_to_dos(acct_desc, True); #endif pdb_set_acct_desc(pw_buf, acct_desc); pdb_set_workstations(pw_buf, ENTRY_VAL(obj, NPF_WORKSTATIONS)); pdb_set_munged_dial(pw_buf, NULL); pdb_set_uid(pw_buf, atoi(ENTRY_VAL(obj, NPF_UID))); pdb_set_gid(pw_buf, atoi(ENTRY_VAL(obj, NPF_SMB_GRPID))); pdb_set_user_rid(pw_buf, atoi(ENTRY_VAL(obj, NPF_USER_RID))); pdb_set_group_rid(pw_buf, atoi(ENTRY_VAL(obj, NPF_GROUP_RID))); /* values, must exist for user */ if( !(pdb_get_acct_ctrl(pw_buf) & ACB_WSTRUST) ) { get_single_attribute(obj, NPF_HOME_DIR, home_dir, sizeof(pstring)); if( !(home_dir && *home_dir) ) { pstrcpy(home_dir, lp_logon_home()); pdb_set_homedir(pw_buf, home_dir, False); } else pdb_set_homedir(pw_buf, home_dir, True); get_single_attribute(obj, NPF_DIR_DRIVE, home_drive, sizeof(pstring)); if( !(home_drive && *home_drive) ) { pstrcpy(home_drive, lp_logon_drive()); pdb_set_dir_drive(pw_buf, home_drive, False); } else pdb_set_dir_drive(pw_buf, home_drive, True); get_single_attribute(obj, NPF_LOGON_SCRIPT, logon_script, sizeof(pstring)); if( !(logon_script && *logon_script) ) { pstrcpy(logon_script, lp_logon_script()); } else pdb_set_logon_script(pw_buf, logon_script, True); get_single_attribute(obj, NPF_PROFILE_PATH, profile_path, sizeof(pstring)); if( !(profile_path && *profile_path) ) { pstrcpy(profile_path, lp_logon_path()); pdb_set_profile_path(pw_buf, profile_path, False); } else pdb_set_profile_path(pw_buf, profile_path, True); } else { /* lkclXXXX this is OBSERVED behaviour by NT PDCs, enforced here. */ pdb_set_group_rid (pw_buf, DOMAIN_GROUP_RID_USERS); } /* Check the lanman password column. */ ptr = (char *)ENTRY_VAL(obj, NPF_LMPWD); if (!pdb_set_lanman_passwd(pw_buf, NULL)) return False; if (!strncasecmp(ptr, "NO PASSWORD", 11)) { pdb_set_acct_ctrl(pw_buf, pdb_get_acct_ctrl(pw_buf) | ACB_PWNOTREQ); } else { if (strlen(ptr) != 32 || !pdb_gethexpwd(ptr, smbpwd)) { DEBUG(0, ("malformed LM pwd entry: %s.\n", pdb_get_username(pw_buf))); return False; } if (!pdb_set_lanman_passwd(pw_buf, smbpwd)) return False; } /* Check the NT password column. */ ptr = ENTRY_VAL(obj, NPF_NTPWD); if (!pdb_set_nt_passwd(pw_buf, NULL)) return False; if (!(pdb_get_acct_ctrl(pw_buf) & ACB_PWNOTREQ) && strncasecmp(ptr, "NO PASSWORD", 11)) { if (strlen(ptr) != 32 || !pdb_gethexpwd(ptr, smbntpwd)) { DEBUG(0, ("malformed NT pwd entry:\ uid = %d.\n", pdb_get_uid(pw_buf))); return False; } if (!pdb_set_nt_passwd(pw_buf, smbntpwd)) return False; } pdb_set_unknown_3(pw_buf, 0xffffff); /* don't know */ pdb_set_logon_divs(pw_buf, 168); /* hours per week */ if( (hours_len = ENTRY_LEN(obj, NPF_HOURS)) == 21 ) { memcpy(hours, ENTRY_VAL(obj, NPF_HOURS), hours_len); } else { hours_len = 21; /* 21 times 8 bits = 168 */ /* available at all hours */ memset(hours, 0xff, hours_len); } pdb_set_hours_len(pw_buf, hours_len); pdb_set_hours(pw_buf, hours); pdb_set_unknown_5(pw_buf, 0x00020000); /* don't know */ pdb_set_unknown_6(pw_buf, 0x000004ec); /* don't know */ return True; } /************************************************************************ makes a struct sam_passwd from a NIS+ result. ************************************************************************/ static BOOL make_sam_from_nisresult(SAM_ACCOUNT *pw_buf, const nis_result *result) { if (pw_buf == NULL || result == NULL) return False; if (result->status != NIS_SUCCESS && result->status != NIS_NOTFOUND) { DEBUG(0, ("NIS+ lookup failure: %s\n", nis_sperrno(result->status))); return False; } /* User not found. */ if (NIS_RES_NUMOBJ(result) <= 0) { DEBUG(10, ("user not found in NIS+\n")); return False; } if (NIS_RES_NUMOBJ(result) > 1) { DEBUG(10, ("WARNING: Multiple entries for user in NIS+ table!\n")); } /* Grab the first hit. */ return make_sam_from_nisp_object(pw_buf, &NIS_RES_OBJECT(result)[0]); } /************************************************************************* sets a NIS+ attribute *************************************************************************/ static void set_single_attribute(nis_object *new_obj, int col, const char *val, int len, int flags) { if (new_obj == NULL) return; ENTRY_VAL(new_obj, col) = val; ENTRY_LEN(new_obj, col) = len+1; if (flags != 0) { new_obj->EN_data.en_cols.en_cols_val[col].ec_flags = flags; } } /*************************************************************** copy or modify nis object. this object is used to add or update nisplus table entry. ****************************************************************/ static BOOL init_nisp_from_sam(nis_object *obj, const SAM_ACCOUNT *sampass, nis_object *old) { /* * Fill nis_object for entry add or update. * if we are updateing, we have to find out differences and set * EN_MODIFIED flag. also set need_to_modify to trigger * nis_modify_entry() call in pdb_update_sam_account(). * * TODO: * get data from SAM * if (modify) get data from nis_object, compare and store if * different + set EN_MODIFIED and need_to_modify * else * store */ BOOL need_to_modify = False; const char *name = pdb_get_username(sampass); /* from SAM */ /* these must be static or allocate and free entry columns! */ static fstring uid; /* from SAM */ static fstring user_rid; /* from SAM */ static fstring gid; /* from SAM */ static fstring group_rid; /* from SAM */ char *acb; /* from SAM */ static fstring smb_passwd; /* from SAM */ static fstring smb_nt_passwd; /* from SAM */ static fstring logon_t; /* from SAM */ static fstring logoff_t; /* from SAM */ static fstring kickoff_t; /* from SAM */ static fstring pwdlset_t; /* from SAM */ static fstring pwdlchg_t; /* from SAM */ static fstring pwdmchg_t; /* from SAM */ static fstring full_name; /* from SAM */ static fstring acct_desc; /* from SAM */ static char empty[1]; /* just an empty string */ slprintf(uid, sizeof(uid)-1, "%u", pdb_get_uid(sampass)); slprintf(user_rid, sizeof(user_rid)-1, "%u", pdb_get_user_rid(sampass)? pdb_get_user_rid(sampass): pdb_uid_to_user_rid(pdb_get_uid(sampass))); slprintf(gid, sizeof(gid)-1, "%u", pdb_get_gid(sampass)); { uint32 rid; GROUP_MAP map; rid=pdb_get_group_rid(sampass); if (rid==0) { if (get_group_map_from_gid(pdb_get_gid(sampass), &map, MAPPING_WITHOUT_PRIV)) { sid_peek_rid(&map.sid, &rid); } else rid=pdb_gid_to_group_rid(pdb_get_gid(sampass)); } slprintf(group_rid, sizeof(group_rid)-1, "%u", rid); } acb = pdb_encode_acct_ctrl(pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN); pdb_sethexpwd (smb_passwd, pdb_get_lanman_passwd(sampass), pdb_get_acct_ctrl(sampass)); pdb_sethexpwd (smb_nt_passwd, pdb_get_nt_passwd(sampass), pdb_get_acct_ctrl(sampass)); slprintf(logon_t, 13, "LNT-%08X", (uint32)pdb_get_logon_time(sampass)); slprintf(logoff_t, 13, "LOT-%08X", (uint32)pdb_get_logoff_time(sampass)); slprintf(kickoff_t, 13, "KOT-%08X", (uint32)pdb_get_kickoff_time(sampass)); slprintf(pwdlset_t, 13, "LCT-%08X", (uint32)pdb_get_pass_last_set_time(sampass)); slprintf(pwdlchg_t, 13, "CCT-%08X", (uint32)pdb_get_pass_can_change_time(sampass)); slprintf(pwdmchg_t, 13, "MCT-%08X", (uint32)pdb_get_pass_must_change_time(sampass)); safe_strcpy(full_name, pdb_get_fullname(sampass), sizeof(full_name)-1); safe_strcpy(acct_desc, pdb_get_acct_desc(sampass), sizeof(acct_desc)-1); #if 0 /* Not sure what to do with these guys. -tpot */ dos_to_unix(full_name, True); dos_to_unix(acct_desc, True); #endif if( old ) { /* name */ if(strcmp(ENTRY_VAL(old, NPF_NAME), name)) { need_to_modify = True; set_single_attribute(obj, NPF_NAME, name, strlen(name), EN_MODIFIED); } /* uid */ if(pdb_get_uid(sampass) != -1) { if(!ENTRY_VAL(old, NPF_UID) || strcmp(ENTRY_VAL(old, NPF_UID), uid)) { need_to_modify = True; set_single_attribute(obj, NPF_UID, uid, strlen(uid), EN_MODIFIED); } } /* user_rid */ if (pdb_get_user_rid(sampass)) { if(!ENTRY_VAL(old, NPF_USER_RID) || strcmp(ENTRY_VAL(old, NPF_USER_RID), user_rid) ) { need_to_modify = True; set_single_attribute(obj, NPF_USER_RID, user_rid, strlen(user_rid), EN_MODIFIED); } } /* smb_grpid */ if (pdb_get_gid(sampass) != -1) { if(!ENTRY_VAL(old, NPF_SMB_GRPID) || strcmp(ENTRY_VAL(old, NPF_SMB_GRPID), gid) ) { need_to_modify = True; set_single_attribute(obj, NPF_SMB_GRPID, gid, strlen(gid), EN_MODIFIED); } } /* group_rid */ if (pdb_get_group_rid(sampass)) { if(!ENTRY_VAL(old, NPF_GROUP_RID) || strcmp(ENTRY_VAL(old, NPF_GROUP_RID), group_rid) ) { need_to_modify = True; set_single_attribute(obj, NPF_GROUP_RID, group_rid, strlen(group_rid), EN_MODIFIED); } } /* acb */ if (!ENTRY_VAL(old, NPF_ACB) || strcmp(ENTRY_VAL(old, NPF_ACB), acb)) { need_to_modify = True; set_single_attribute(obj, NPF_ACB, acb, strlen(acb), EN_MODIFIED); } /* lmpwd */ if(!ENTRY_VAL(old, NPF_LMPWD) || strcmp(ENTRY_VAL(old, NPF_LMPWD), smb_passwd) ) { need_to_modify = True; set_single_attribute(obj, NPF_LMPWD, smb_passwd, strlen(smb_passwd), EN_CRYPT|EN_MODIFIED); } /* ntpwd */ if(!ENTRY_VAL(old, NPF_NTPWD) || strcmp(ENTRY_VAL(old, NPF_NTPWD), smb_nt_passwd) ) { need_to_modify = True; set_single_attribute(obj, NPF_NTPWD, smb_nt_passwd, strlen(smb_nt_passwd), EN_CRYPT|EN_MODIFIED); } /* logon_t */ if( pdb_get_logon_time(sampass) && (!ENTRY_VAL(old, NPF_LOGON_T) || strcmp(ENTRY_VAL(old, NPF_LOGON_T), logon_t ))) { need_to_modify = True; set_single_attribute(obj, NPF_LOGON_T, logon_t, strlen(logon_t), EN_MODIFIED); } /* logoff_t */ if( pdb_get_logoff_time(sampass) && (!ENTRY_VAL(old, NPF_LOGOFF_T) || strcmp(ENTRY_VAL(old, NPF_LOGOFF_T), logoff_t))) { need_to_modify = True; set_single_attribute(obj, NPF_LOGOFF_T, logoff_t, strlen(logoff_t), EN_MODIFIED); } /* kick_t */ if( pdb_get_kickoff_time(sampass) && (!ENTRY_VAL(old, NPF_KICK_T) || strcmp(ENTRY_VAL(old, NPF_KICK_T), kickoff_t))) { need_to_modify = True; set_single_attribute(obj, NPF_KICK_T, kickoff_t, strlen(kickoff_t), EN_MODIFIED); } /* pwdlset_t */ if( pdb_get_pass_last_set_time(sampass) && (!ENTRY_VAL(old, NPF_PWDLSET_T) || strcmp(ENTRY_VAL(old, NPF_PWDLSET_T), pwdlset_t))) { need_to_modify = True; set_single_attribute(obj, NPF_PWDLSET_T, pwdlset_t, strlen(pwdlset_t), EN_MODIFIED); } /* pwdlchg_t */ if( pdb_get_pass_can_change_time(sampass) && (!ENTRY_VAL(old, NPF_PWDCCHG_T) || strcmp(ENTRY_VAL(old, NPF_PWDCCHG_T), pwdlchg_t))) { need_to_modify = True; set_single_attribute(obj, NPF_PWDCCHG_T, pwdlchg_t, strlen(pwdlchg_t), EN_MODIFIED); } /* pwdmchg_t */ if( pdb_get_pass_must_change_time(sampass) && (!ENTRY_VAL(old, NPF_PWDMCHG_T) || strcmp(ENTRY_VAL(old, NPF_PWDMCHG_T), pwdmchg_t))) { need_to_modify = True; set_single_attribute(obj, NPF_PWDMCHG_T, pwdmchg_t, strlen(pwdmchg_t), EN_MODIFIED); } /* full_name */ /* must support set, unset and change */ if ( (pdb_get_fullname(sampass) && !ENTRY_VAL(old, NPF_FULL_NAME)) || (ENTRY_VAL(old, NPF_FULL_NAME) && !pdb_get_fullname(sampass)) || (ENTRY_VAL(old, NPF_FULL_NAME) && pdb_get_fullname(sampass) && strcmp( ENTRY_VAL(old, NPF_FULL_NAME), full_name ))) { need_to_modify = True; set_single_attribute(obj, NPF_FULL_NAME, full_name, strlen(full_name), EN_MODIFIED); } /* home_dir */ /* must support set, unset and change */ if( (pdb_get_homedir(sampass) && !ENTRY_VAL(old, NPF_HOME_DIR)) || (ENTRY_VAL(old, NPF_HOME_DIR) && !pdb_get_homedir(sampass)) || (ENTRY_VAL(old, NPF_HOME_DIR) && pdb_get_homedir(sampass) && strcmp( ENTRY_VAL(old, NPF_HOME_DIR), pdb_get_homedir(sampass)))) { need_to_modify = True; set_single_attribute(obj, NPF_HOME_DIR, pdb_get_homedir(sampass), strlen(pdb_get_homedir(sampass)), EN_MODIFIED); } /* dir_drive */ /* must support set, unset and change */ if( (pdb_get_dirdrive(sampass) && !ENTRY_VAL(old, NPF_DIR_DRIVE)) || (ENTRY_VAL(old, NPF_DIR_DRIVE) && !pdb_get_dirdrive(sampass)) || (ENTRY_VAL(old, NPF_DIR_DRIVE) && pdb_get_dirdrive(sampass) && strcmp( ENTRY_VAL(old, NPF_DIR_DRIVE), pdb_get_dirdrive(sampass)))) { need_to_modify = True; set_single_attribute(obj, NPF_DIR_DRIVE, pdb_get_dirdrive(sampass), strlen(pdb_get_dirdrive(sampass)), EN_MODIFIED); } /* logon_script */ /* must support set, unset and change */ if( (pdb_get_logon_script(sampass) && !ENTRY_VAL(old, NPF_LOGON_SCRIPT) || (ENTRY_VAL(old, NPF_LOGON_SCRIPT) && !pdb_get_logon_script(sampass)) || ( ENTRY_VAL(old, NPF_LOGON_SCRIPT) && pdb_get_logon_script(sampass) && strcmp( ENTRY_VAL(old, NPF_LOGON_SCRIPT), pdb_get_logon_script(sampass))))) { need_to_modify = True; set_single_attribute(obj, NPF_LOGON_SCRIPT, pdb_get_logon_script(sampass), strlen(pdb_get_logon_script(sampass)), EN_MODIFIED); } /* profile_path */ /* must support set, unset and change */ if( (pdb_get_profile_path(sampass) && !ENTRY_VAL(old, NPF_PROFILE_PATH)) || (ENTRY_VAL(old, NPF_PROFILE_PATH) && !pdb_get_profile_path(sampass)) || (ENTRY_VAL(old, NPF_PROFILE_PATH) && pdb_get_profile_path(sampass) && strcmp( ENTRY_VAL(old, NPF_PROFILE_PATH), pdb_get_profile_path(sampass) ) )) { need_to_modify = True; set_single_attribute(obj, NPF_PROFILE_PATH, pdb_get_profile_path(sampass), strlen(pdb_get_profile_path(sampass)), EN_MODIFIED); } /* acct_desc */ /* must support set, unset and change */ if( (pdb_get_acct_desc(sampass) && !ENTRY_VAL(old, NPF_ACCT_DESC)) || (ENTRY_VAL(old, NPF_ACCT_DESC) && !pdb_get_acct_desc(sampass)) || (ENTRY_VAL(old, NPF_ACCT_DESC) && pdb_get_acct_desc(sampass) && strcmp( ENTRY_VAL(old, NPF_ACCT_DESC), acct_desc ) )) { need_to_modify = True; set_single_attribute(obj, NPF_ACCT_DESC, acct_desc, strlen(acct_desc), EN_MODIFIED); } /* workstations */ /* must support set, unset and change */ if ( (pdb_get_workstations(sampass) && !ENTRY_VAL(old, NPF_WORKSTATIONS) ) || (ENTRY_VAL(old, NPF_WORKSTATIONS) && !pdb_get_workstations(sampass)) || (ENTRY_VAL(old, NPF_WORKSTATIONS) && pdb_get_workstations(sampass)) && strcmp( ENTRY_VAL(old, NPF_WORKSTATIONS), pdb_get_workstations(sampass))) { need_to_modify = True; set_single_attribute(obj, NPF_WORKSTATIONS, pdb_get_workstations(sampass), strlen(pdb_get_workstations(sampass)), EN_MODIFIED); } /* hours */ if ((pdb_get_hours_len(sampass) != ENTRY_LEN(old, NPF_HOURS)) || memcmp(pdb_get_hours(sampass), ENTRY_VAL(old, NPF_HOURS), ENTRY_LEN(old, NPF_HOURS))) { need_to_modify = True; /* set_single_attribute will add 1 for len ... */ set_single_attribute(obj, NPF_HOURS, pdb_get_hours(sampass), pdb_get_hours_len(sampass)-1, EN_MODIFIED); } } else { const char *homedir, *dirdrive, *logon_script, *profile_path, *workstations; *empty = '\0'; /* empty string */ set_single_attribute(obj, NPF_NAME, name, strlen(name), 0); set_single_attribute(obj, NPF_UID, uid, strlen(uid), 0); set_single_attribute(obj, NPF_USER_RID, user_rid, strlen(user_rid), 0); set_single_attribute(obj, NPF_SMB_GRPID, gid, strlen(gid), 0); set_single_attribute(obj, NPF_GROUP_RID, group_rid, strlen(group_rid), 0); set_single_attribute(obj, NPF_ACB, acb, strlen(acb), 0); set_single_attribute(obj, NPF_LMPWD, smb_passwd, strlen(smb_passwd), EN_CRYPT); set_single_attribute(obj, NPF_NTPWD, smb_nt_passwd, strlen(smb_nt_passwd), EN_CRYPT); set_single_attribute(obj, NPF_LOGON_T, logon_t, strlen(logon_t), 0); set_single_attribute(obj, NPF_LOGOFF_T, logoff_t, strlen(logoff_t), 0); set_single_attribute(obj, NPF_KICK_T, kickoff_t, strlen(kickoff_t),0); set_single_attribute(obj, NPF_PWDLSET_T, pwdlset_t, strlen(pwdlset_t), 0); set_single_attribute(obj, NPF_PWDCCHG_T, pwdlchg_t, strlen(pwdlchg_t), 0); set_single_attribute(obj, NPF_PWDMCHG_T, pwdmchg_t, strlen(pwdmchg_t), 0); set_single_attribute(obj, NPF_FULL_NAME , full_name, strlen(full_name), 0); if(!(homedir = pdb_get_homedir(sampass))) homedir = empty; set_single_attribute(obj, NPF_HOME_DIR, homedir, strlen(homedir), 0); if(!(dirdrive = pdb_get_dirdrive(sampass))) dirdrive = empty; set_single_attribute(obj, NPF_DIR_DRIVE, dirdrive, strlen(dirdrive), 0); if(!(logon_script = pdb_get_logon_script(sampass))) logon_script = empty; set_single_attribute(obj, NPF_LOGON_SCRIPT, logon_script, strlen(logon_script), 0); if(!(profile_path = pdb_get_profile_path(sampass))) profile_path = empty; set_single_attribute(obj, NPF_PROFILE_PATH, profile_path, strlen(profile_path), 0); set_single_attribute(obj, NPF_ACCT_DESC, acct_desc, strlen(acct_desc), 0); if(!(workstations = pdb_get_workstations(sampass))) workstations = empty; set_single_attribute(obj, NPF_WORKSTATIONS, workstations, strlen(workstations), 0); /* set_single_attribute will add 1 for len ... */ set_single_attribute(obj, NPF_HOURS, pdb_get_hours(sampass), pdb_get_hours_len(sampass)-1, 0); } return need_to_modify; } /*************************************************************** calls nis_list, returns results. ****************************************************************/ static nis_result *nisp_get_nis_list(const char *nis_name, unsigned int flags) { nis_result *result; int i; if( ! flags) flags = FOLLOW_LINKS|FOLLOW_PATH|EXPAND_NAME|HARD_LOOKUP; for(i = 0; i<2;i++ ) { alarm(60); /* hopefully ok for long searches */ result = nis_list(nis_name, flags,NULL,NULL); alarm(0); CatchSignal(SIGALRM, SIGNAL_CAST SIG_DFL); if (gotalarm) { DEBUG(0,("NIS+ lookup time out\n")); nis_freeresult(result); return NULL; } if( !(flags & MASTER_ONLY) && NIS_RES_NUMOBJ(result) <= 0 ) { /* nis replicas are not in sync perhaps? * this can happen, if account was just added. */ DEBUG(10,("will try master only\n")); nis_freeresult(result); flags |= MASTER_ONLY; } else break; } return result; } /*************************************************************** Start to enumerate the nisplus passwd list. ****************************************************************/ BOOL pdb_setsampwent(BOOL update) { char *sp, * p = lp_smb_passwd_file(); pstring pfiletmp; if( (sp = strrchr( p, '/' )) ) safe_strcpy(pfiletmp, sp+1, sizeof(pfiletmp)-1); else safe_strcpy(pfiletmp, p, sizeof(pfiletmp)-1); safe_strcat(pfiletmp, ".org_dir", sizeof(pfiletmp)-strlen(pfiletmp)-1); pdb_endsampwent(); /* just in case */ global_nisp_ent.result = nisp_get_nis_list( pfiletmp, 0 ); global_nisp_ent.enum_entry = 0; return global_nisp_ent.result != NULL ? True : False; } /*************************************************************** End enumeration of the nisplus passwd list. ****************************************************************/ void pdb_endsampwent(void) { if( global_nisp_ent.result ) nis_freeresult(global_nisp_ent.result); global_nisp_ent.result = NULL; global_nisp_ent.enum_entry = 0; } /************************************************************************* Routine to return the next entry in the nisplus passwd list. *************************************************************************/ BOOL pdb_getsampwent(SAM_ACCOUNT *user) { int enum_entry = (int)(global_nisp_ent.enum_entry); nis_result *result = global_nisp_ent.result; if (user==NULL) { DEBUG(0,("SAM_ACCOUNT is NULL.\n")); return False; } if (result == NULL || enum_entry < 0 || enum_entry >= (NIS_RES_NUMOBJ(result) - 1)) { return False; } if(!make_sam_from_nisp_object(user, &NIS_RES_OBJECT(result)[enum_entry]) ) { DEBUG(0,("Bad SAM_ACCOUNT entry returned from NIS+!\n")); return False; } (int)(global_nisp_ent.enum_entry)++; return True; } /************************************************************************* Routine to search the nisplus passwd file for an entry matching the username *************************************************************************/ BOOL pdb_getsampwnam(SAM_ACCOUNT * user, const char *sname) { /* Static buffers we will return. */ nis_result *result = NULL; pstring nisname; BOOL ret; char *pfile = lp_smb_passwd_file(); int i; if (!*pfile) { DEBUG(0, ("No SMB password file set\n")); return False; } if( strrchr( pfile, '/') ) pfile = strrchr( pfile, '/') + 1; slprintf(nisname, sizeof(nisname)-1, "[name=%s],%s.org_dir", sname, pfile); DEBUG(10, ("search by nisname: %s\n", nisname)); /* Search the table. */ if(!(result = nisp_get_nis_list(nisname, 0))) { return False; } ret = make_sam_from_nisresult(user, result); nis_freeresult(result); return ret; } /************************************************************************* Routine to search the nisplus passwd file for an entry matching the username *************************************************************************/ BOOL pdb_getsampwsid(SAM_ACCOUNT * user, DOM_SID *sid) { uint32 rid; sid_peek_rid(sid, &rid); return pdb_getsampwrid(user, rid); } static BOOL pdb_getsampwrid(SAM_ACCOUNT * user, uint32 rid) { nis_result *result; char *nisname; BOOL ret; char *sp, *p = lp_smb_passwd_file(); pstring pfiletmp; if (!*p) { DEBUG(0, ("no SMB password file set\n")); return False; } if( (sp = strrchr( p, '/' )) ) safe_strcpy(pfiletmp, sp+1, sizeof(pfiletmp)-1); else safe_strcpy(pfiletmp, p, sizeof(pfiletmp)-1); safe_strcat(pfiletmp, ".org_dir", sizeof(pfiletmp)-strlen(pfiletmp)-1); nisname = make_nisname_from_user_rid(rid, pfiletmp); DEBUG(10, ("search by rid: %s\n", nisname)); /* Search the table. */ if(!(result = nisp_get_nis_list(nisname, 0))) { return False; } ret = make_sam_from_nisresult(user, result); nis_freeresult(result); return ret; } /************************************************************************* Routine to remove entry from the nisplus smbpasswd table *************************************************************************/ BOOL pdb_delete_sam_account(SAM_ACCOUNT * user) { const char *sname; char *pfile = lp_smb_passwd_file(); pstring nisname; nis_result *result, *delresult; nis_object *obj; int i; if (!user) { DEBUG(0, ("no SAM_ACCOUNT specified!\n")); return False; } sname = pdb_get_username(user); if (!*pfile) { DEBUG(0, ("no SMB password file set\n")); return False; } if( strrchr( pfile, '/') ) pfile = strrchr( pfile, '/') + 1; slprintf(nisname, sizeof(nisname)-1, "[name=%s],%s.org_dir", sname, pfile); /* Search the table. */ if( !(result = nisp_get_nis_list(nisname, MASTER_ONLY|FOLLOW_LINKS|FOLLOW_PATH|\ EXPAND_NAME|HARD_LOOKUP))) { return False; } if(result->status != NIS_SUCCESS || NIS_RES_NUMOBJ(result) <= 0) { /* User not found. */ DEBUG(0,("user not found in NIS+\n")); nis_freeresult(result); return False; } obj = NIS_RES_OBJECT(result); slprintf(nisname, sizeof(nisname)-1, "[name=%s],%s.%s", sname, obj->zo_name, obj->zo_domain); DEBUG(10, ("removing name: %s\n", nisname)); delresult = nis_remove_entry(nisname, obj, MASTER_ONLY|REM_MULTIPLE|ALL_RESULTS|FOLLOW_PATH|EXPAND_NAME|HARD_LOOKUP); nis_freeresult(result); if(delresult->status != NIS_SUCCESS) { DEBUG(0, ("NIS+ table update failed: %s %s\n", nisname, nis_sperrno(delresult->status))); nis_freeresult(delresult); return False; } nis_freeresult(delresult); return True; } /************************************************************************ Routine to add an entry to the nisplus passwd file. *************************************************************************/ BOOL pdb_add_sam_account(SAM_ACCOUNT * newpwd) { int local_user = 0; char *pfile; pstring pfiletmp; char *nisname; nis_result *result = NULL, *tblresult = NULL; nis_object new_obj; entry_col *ecol; int ta_maxcol; /* * 1. find user domain. * a. try nis search in passwd.org_dir - if found use domain from result. * b. try getpwnam. this may be needed if user is defined * in /etc/passwd file (or elsewere) and not in passwd.org_dir. * if found, use host default domain. * c. exit with False - no such user. * * 2. add user * a. find smbpasswd table * search pfile in user domain if not found, try host default * domain. * b. smbpasswd domain is found, fill data and add entry. * * pfile should contain ONLY table name, org_dir will be concated. * so, at first we will clear path prefix from pfile, and * then we will use pfiletmp as playground to put together full * nisname string. * such approach will make it possible to specify samba private dir * AND still use NIS+ table. as all domain related data is normally * stored in org_dir.DOMAIN, this should be ok do do. */ pfile = lp_smb_passwd_file(); if( strrchr( pfile, '/') ) pfile = strrchr( pfile, '/') + 1; /* * Check if user is already there. */ safe_strcpy(pfiletmp, pfile, sizeof(pfiletmp)-1); safe_strcat(pfiletmp, ".org_dir", sizeof(pfiletmp)-strlen(pfiletmp)-1); if(pdb_get_username(newpwd) != NULL) { nisname = make_nisname_from_name(pdb_get_username(newpwd), pfiletmp); } else { return False; } if(!(result = nisp_get_nis_list(nisname, MASTER_ONLY|FOLLOW_LINKS|\ FOLLOW_PATH|EXPAND_NAME|HARD_LOOKUP))) { return False; } if (result->status != NIS_SUCCESS && result->status != NIS_NOTFOUND) { DEBUG(3, ( "nis_list failure: %s: %s\n", nisname, nis_sperrno(result->status))); nis_freeresult(result); return False; } if (result->status == NIS_SUCCESS && NIS_RES_NUMOBJ(result) > 0) { DEBUG(3, ("User already exists in NIS+ password db: %s\n", pfile)); nis_freeresult(result); return False; } nis_freeresult(result); /* no such user, free results */ /* * check for user in unix password database. we need this to get * domain, where smbpasswd entry should be stored. */ nisname = make_nisname_from_name(pdb_get_username(newpwd), "passwd.org_dir"); result = nisp_get_nis_list(nisname, MASTER_ONLY|FOLLOW_LINKS|FOLLOW_PATH|\ EXPAND_NAME|HARD_LOOKUP); if (result->status != NIS_SUCCESS || NIS_RES_NUMOBJ(result) <= 0) { struct passwd *passwd; DEBUG(3, ("nis_list failure: %s: %s\n", nisname, nis_sperrno(result->status))); nis_freeresult(result); if (!(passwd = getpwnam_alloc(pdb_get_username(newpwd)))) { /* no such user in system! */ return False; } passwd_free(&passwd); /* * user is defined, but not in passwd.org_dir. */ local_user = 1; } else { safe_strcpy(pfiletmp, pfile, sizeof(pfiletmp)-1); safe_strcat(pfiletmp, ".", sizeof(pfiletmp)-strlen(pfiletmp)-1); safe_strcat(pfiletmp, NIS_RES_OBJECT(result)->zo_domain, sizeof(pfiletmp)-strlen(pfiletmp)-1); nis_freeresult(result); /* not needed any more */ tblresult = nisp_get_nis_list(pfiletmp, MASTER_ONLY|FOLLOW_LINKS|\ FOLLOW_PATH|EXPAND_NAME|HARD_LOOKUP); } if (local_user || tblresult->status != NIS_SUCCESS) { /* * no user domain or * smbpasswd table not found in user domain, fallback to * default domain. */ if (!local_user) /* free previous failed search result */ nis_freeresult(tblresult); safe_strcpy(pfiletmp, pfile, sizeof(pfiletmp)-1); safe_strcat(pfiletmp, ".org_dir", sizeof(pfiletmp)-strlen(pfiletmp)-1); tblresult = nis_lookup(pfiletmp, MASTER_ONLY|FOLLOW_LINKS|\ FOLLOW_PATH|EXPAND_NAME|HARD_LOOKUP); if (tblresult->status != NIS_SUCCESS) { /* still nothing. bail out */ nis_freeresult(tblresult); DEBUG(3, ( "nis_lookup failure: %s\n", nis_sperrno(tblresult->status))); return False; } /* we need full name for nis_add_entry() */ safe_strcpy(pfiletmp, pfile, sizeof(pfiletmp)-1); safe_strcat(pfiletmp, ".", sizeof(pfiletmp)-strlen(pfiletmp)-1); safe_strcat(pfiletmp, NIS_RES_OBJECT(tblresult)->zo_domain, sizeof(pfiletmp)-strlen(pfiletmp)-1); } memset((char *)&new_obj, 0, sizeof (new_obj)); /* fill entry headers */ /* we do not free these. */ new_obj.zo_name = NIS_RES_OBJECT(tblresult)->zo_name; new_obj.zo_owner = NIS_RES_OBJECT(tblresult)->zo_owner; new_obj.zo_group = NIS_RES_OBJECT(tblresult)->zo_group; new_obj.zo_domain = NIS_RES_OBJECT(tblresult)->zo_domain; /* uints */ new_obj.zo_access = NIS_RES_OBJECT(tblresult)->zo_access; new_obj.zo_ttl = NIS_RES_OBJECT(tblresult)->zo_ttl; new_obj.zo_data.zo_type = ENTRY_OBJ; new_obj.EN_data.en_type = NIS_RES_OBJECT(tblresult)->TA_data.ta_type; ta_maxcol = NIS_RES_OBJECT(tblresult)->TA_data.ta_maxcol; if(!(ecol = (entry_col*)malloc(ta_maxcol*sizeof(entry_col)))) { DEBUG(0, ("memory allocation failure\n")); nis_freeresult(tblresult); return False; } memset((char *)ecol, 0, ta_maxcol*sizeof (entry_col)); new_obj.EN_data.en_cols.en_cols_val = ecol; new_obj.EN_data.en_cols.en_cols_len = ta_maxcol; init_nisp_from_sam(&new_obj, newpwd, NULL); DEBUG(10, ( "add NIS+ entry: %s\n", nisname)); result = nis_add_entry(pfiletmp, &new_obj, 0); free(ecol); /* free allocated entry space */ if (result->status != NIS_SUCCESS) { DEBUG(3, ( "NIS+ table update failed: %s\n", nisname, nis_sperrno(result->status))); nis_freeresult(tblresult); nis_freeresult(result); return False; } nis_freeresult(tblresult); nis_freeresult(result); return True; } /************************************************************************ Routine to modify the nisplus passwd entry. ************************************************************************/ BOOL pdb_update_sam_account(SAM_ACCOUNT * newpwd) { nis_result *result, *addresult; nis_object *obj; nis_object new_obj; entry_col *ecol; int ta_maxcol; char *pfile = lp_smb_passwd_file(); pstring nisname; int i; if (!*pfile) { DEBUG(0, ("no SMB password file set\n")); return False; } if( strrchr( pfile, '/') ) pfile = strrchr( pfile, '/') + 1; slprintf(nisname, sizeof(nisname)-1, "[name=%s],%s.org_dir", pdb_get_username(newpwd), pfile); DEBUG(10, ("search by name: %s\n", nisname)); /* Search the table. */ if( !(result = nisp_get_nis_list(nisname, MASTER_ONLY|FOLLOW_LINKS|\ FOLLOW_PATH|EXPAND_NAME|HARD_LOOKUP))) { return False; } if(result->status != NIS_SUCCESS || NIS_RES_NUMOBJ(result) <= 0) { /* User not found. */ DEBUG(0,("user not found in NIS+\n")); nis_freeresult(result); return False; } obj = NIS_RES_OBJECT(result); DEBUG(6,("entry found in %s\n", obj->zo_domain)); /* we must create new stub object with EN_MODIFIED flag. this is because obj from result is going to be freed and we do not want to break it or cause memory leaks or corruption. */ memmove((char *)&new_obj, obj, sizeof (new_obj)); ta_maxcol = obj->TA_data.ta_maxcol; if(!(ecol = (entry_col*)malloc(ta_maxcol*sizeof(entry_col)))) { DEBUG(0, ("memory allocation failure\n")); nis_freeresult(result); return False; } memmove((char *)ecol, obj->EN_data.en_cols.en_cols_val, ta_maxcol*sizeof (entry_col)); new_obj.EN_data.en_cols.en_cols_val = ecol; new_obj.EN_data.en_cols.en_cols_len = ta_maxcol; if ( init_nisp_from_sam(&new_obj, newpwd, obj) == True ) { slprintf(nisname, sizeof(nisname)-1, "[name=%s],%s.%s", pdb_get_username(newpwd), pfile, obj->zo_domain); DEBUG(10, ("NIS+ table update: %s\n", nisname)); addresult = nis_modify_entry(nisname, &new_obj, MOD_SAMEOBJ | FOLLOW_PATH | EXPAND_NAME | HARD_LOOKUP); if(addresult->status != NIS_SUCCESS) { DEBUG(0, ("NIS+ table update failed: %s %s\n", nisname, nis_sperrno(addresult->status))); nis_freeresult(addresult); nis_freeresult(result); free(ecol); return False; } DEBUG(6,("password changed\n")); nis_freeresult(addresult); } else { DEBUG(6,("nothing to change!\n")); } free(ecol); nis_freeresult(result); return True; } #else void nisplus_dummy_function(void); void nisplus_dummy_function(void) { } /* stop some compilers complaining */ #endif /* WITH_NISPLUSSAM */