diff options
author | Gerald Carter <jerry@samba.org> | 2003-07-16 05:34:56 +0000 |
---|---|---|
committer | Gerald Carter <jerry@samba.org> | 2003-07-16 05:34:56 +0000 |
commit | 4a090ba06a54f5da179ac02bb307cc03d08831bf (patch) | |
tree | ed652ef36be7f16682c358816334f969a22f1c27 /source3/auth | |
parent | 95fe82670032a3a43571b46d7bbf2c26bc8cdcd9 (diff) | |
download | samba-4a090ba06a54f5da179ac02bb307cc03d08831bf.tar.gz samba-4a090ba06a54f5da179ac02bb307cc03d08831bf.tar.bz2 samba-4a090ba06a54f5da179ac02bb307cc03d08831bf.zip |
trying to get HEAD building again. If you want the code
prior to this merge, checkout HEAD_PRE_3_0_0_BETA_3_MERGE
(This used to be commit adb98e7b7cd0f025b52c570e4034eebf4047b1ad)
Diffstat (limited to 'source3/auth')
-rw-r--r-- | source3/auth/auth.c | 59 | ||||
-rw-r--r-- | source3/auth/auth_builtin.c | 9 | ||||
-rw-r--r-- | source3/auth/auth_domain.c | 296 | ||||
-rw-r--r-- | source3/auth/auth_rhosts.c | 19 | ||||
-rw-r--r-- | source3/auth/auth_sam.c | 181 | ||||
-rw-r--r-- | source3/auth/auth_server.c | 19 | ||||
-rw-r--r-- | source3/auth/auth_unix.c | 2 | ||||
-rw-r--r-- | source3/auth/auth_util.c | 402 | ||||
-rw-r--r-- | source3/auth/auth_winbind.c | 20 | ||||
-rw-r--r-- | source3/auth/pampass.c | 4 | ||||
-rw-r--r-- | source3/auth/pass_check.c | 5 |
11 files changed, 498 insertions, 518 deletions
diff --git a/source3/auth/auth.c b/source3/auth/auth.c index 0c4fe76830..a2486acbd1 100644 --- a/source3/auth/auth.c +++ b/source3/auth/auth.c @@ -63,7 +63,7 @@ static struct auth_init_function_entry *auth_find_backend_entry(const char *name struct auth_init_function_entry *entry = backends; while(entry) { - if (strequal(entry->name, name)) return entry; + if (strcmp(entry->name, name)==0) return entry; entry = entry->next; } @@ -203,9 +203,9 @@ static NTSTATUS check_ntlm_password(const struct auth_context *auth_context, const struct auth_usersupplied_info *user_info, struct auth_serversupplied_info **server_info) { - - NTSTATUS nt_status = NT_STATUS_LOGON_FAILURE; - const char *pdb_username; + /* if all the modules say 'not for me' this is reasonable */ + NTSTATUS nt_status = NT_STATUS_NO_SUCH_USER; + const char *unix_username; auth_methods *auth_method; TALLOC_CTX *mem_ctx; @@ -244,12 +244,24 @@ static NTSTATUS check_ntlm_password(const struct auth_context *auth_context, return NT_STATUS_LOGON_FAILURE; for (auth_method = auth_context->auth_method_list;auth_method; auth_method = auth_method->next) { + NTSTATUS result; + mem_ctx = talloc_init("%s authentication for user %s\\%s", auth_method->name, user_info->domain.str, user_info->smb_name.str); - nt_status = auth_method->auth(auth_context, auth_method->private_data, mem_ctx, user_info, server_info); + result = auth_method->auth(auth_context, auth_method->private_data, mem_ctx, user_info, server_info); + + /* check if the module did anything */ + if ( NT_STATUS_V(result) == NT_STATUS_V(NT_STATUS_NOT_IMPLEMENTED) ) { + DEBUG(10,("check_ntlm_password: %s had nothing to say\n", auth_method->name)); + talloc_destroy(mem_ctx); + continue; + } + + nt_status = result; + if (NT_STATUS_IS_OK(nt_status)) { - DEBUG(3, ("check_ntlm_password: %s authentication for user [%s] suceeded\n", + DEBUG(3, ("check_ntlm_password: %s authentication for user [%s] succeeded\n", auth_method->name, user_info->smb_name.str)); } else { DEBUG(5, ("check_ntlm_password: %s authentication for user [%s] FAILED with error %s\n", @@ -258,40 +270,36 @@ static NTSTATUS check_ntlm_password(const struct auth_context *auth_context, talloc_destroy(mem_ctx); - if (NT_STATUS_IS_OK(nt_status)) - break; + if ( NT_STATUS_IS_OK(nt_status)) + { + break; + } } - /* This is one of the few places the *relies* (rather than just sets defaults - on the value of lp_security(). This needs to change. A new paramater - perhaps? */ - if (lp_security() >= SEC_SERVER) - smb_user_control(user_info, *server_info, nt_status); - if (NT_STATUS_IS_OK(nt_status)) { - pdb_username = pdb_get_username((*server_info)->sam_account); + unix_username = (*server_info)->unix_name; if (!(*server_info)->guest) { /* We might not be root if we are an RPC call */ become_root(); - nt_status = smb_pam_accountcheck(pdb_username); + nt_status = smb_pam_accountcheck(unix_username); unbecome_root(); if (NT_STATUS_IS_OK(nt_status)) { - DEBUG(5, ("check_ntlm_password: PAM Account for user [%s] suceeded\n", - pdb_username)); + DEBUG(5, ("check_ntlm_password: PAM Account for user [%s] succeeded\n", + unix_username)); } else { DEBUG(3, ("check_ntlm_password: PAM Account for user [%s] FAILED with error %s\n", - pdb_username, nt_errstr(nt_status))); + unix_username, nt_errstr(nt_status))); } } if (NT_STATUS_IS_OK(nt_status)) { DEBUG((*server_info)->guest ? 5 : 2, - ("check_ntlm_password: %sauthentication for user [%s] -> [%s] -> [%s] suceeded\n", + ("check_ntlm_password: %sauthentication for user [%s] -> [%s] -> [%s] succeeded\n", (*server_info)->guest ? "guest " : "", user_info->smb_name.str, user_info->internal_username.str, - pdb_username)); + unix_username)); } } @@ -451,8 +459,13 @@ NTSTATUS make_auth_context_subsystem(struct auth_context **auth_context) break; case SEC_USER: if (lp_encrypted_passwords()) { - DEBUG(5,("Making default auth method list for security=user, encrypt passwords = yes\n")); - auth_method_list = str_list_make("guest sam", NULL); + if ((lp_server_role() == ROLE_DOMAIN_PDC) || (lp_server_role() == ROLE_DOMAIN_BDC)) { + DEBUG(5,("Making default auth method list for DC, security=user, encrypt passwords = yes\n")); + auth_method_list = str_list_make("guest sam winbind:trustdomain", NULL); + } else { + DEBUG(5,("Making default auth method list for standalone security=user, encrypt passwords = yes\n")); + auth_method_list = str_list_make("guest sam", NULL); + } } else { DEBUG(5,("Making default auth method list for security=user, encrypt passwords = no\n")); auth_method_list = str_list_make("guest unix", NULL); diff --git a/source3/auth/auth_builtin.c b/source3/auth/auth_builtin.c index 5a9b5534ab..f7cdfe3fd2 100644 --- a/source3/auth/auth_builtin.c +++ b/source3/auth/auth_builtin.c @@ -38,7 +38,8 @@ static NTSTATUS check_guest_security(const struct auth_context *auth_context, const auth_usersupplied_info *user_info, auth_serversupplied_info **server_info) { - NTSTATUS nt_status = NT_STATUS_LOGON_FAILURE; + /* mark this as 'not for me' */ + NTSTATUS nt_status = NT_STATUS_NOT_IMPLEMENTED; if (!(user_info->internal_username.str && *user_info->internal_username.str)) { @@ -86,11 +87,11 @@ static NTSTATUS check_name_to_ntstatus_security(const struct auth_context *auth_ fstrcpy(user, user_info->smb_name.str); if (strncasecmp("NT_STATUS", user, strlen("NT_STATUS")) == 0) { - strupper(user); + strupper_m(user); return nt_status_string_to_code(user); } - strlower(user); + strlower_m(user); error_num = strtoul(user, NULL, 16); DEBUG(5,("check_name_to_ntstatus_security: Error for user %s was %lx\n", user, error_num)); @@ -133,7 +134,7 @@ static NTSTATUS check_fixed_challenge_security(const struct auth_context *auth_c const auth_usersupplied_info *user_info, auth_serversupplied_info **server_info) { - return NT_STATUS_UNSUCCESSFUL; + return NT_STATUS_NOT_IMPLEMENTED; } /**************************************************************************** diff --git a/source3/auth/auth_domain.c b/source3/auth/auth_domain.c index bc03fecf74..56bd6b9aca 100644 --- a/source3/auth/auth_domain.c +++ b/source3/auth/auth_domain.c @@ -29,86 +29,6 @@ extern BOOL global_machine_password_needs_changing; extern userdom_struct current_user_info; -/* - resolve the name of a DC in ways appropriate for an ADS domain mode - an ADS domain may not have Netbios enabled at all, so this is - quite different from the RPC case - Note that we ignore the 'server' parameter here. That has the effect of using - the 'ADS server' smb.conf parameter, which is what we really want anyway - */ -static NTSTATUS ads_resolve_dc(fstring remote_machine, - struct in_addr *dest_ip) -{ - ADS_STRUCT *ads; - ads = ads_init_simple(); - if (!ads) { - return NT_STATUS_NO_LOGON_SERVERS; - } - - DEBUG(4,("ads_resolve_dc: realm=%s\n", ads->config.realm)); - - ads->auth.flags |= ADS_AUTH_NO_BIND; - -#ifdef HAVE_ADS - /* a full ads_connect() is actually overkill, as we don't srictly need - to do the SASL auth in order to get the info we need, but libads - doesn't offer a better way right now */ - ads_connect(ads); -#endif - - fstrcpy(remote_machine, ads->config.ldap_server_name); - strupper(remote_machine); - *dest_ip = ads->ldap_ip; - ads_destroy(&ads); - - if (!*remote_machine || is_zero_ip(*dest_ip)) { - return NT_STATUS_NO_LOGON_SERVERS; - } - - DEBUG(4,("ads_resolve_dc: using server='%s' IP=%s\n", - remote_machine, inet_ntoa(*dest_ip))); - - return NT_STATUS_OK; -} - -/* - resolve the name of a DC in ways appropriate for RPC domain mode - this relies on the server supporting netbios and port 137 not being - firewalled - */ -static NTSTATUS rpc_resolve_dc(const char *server, - fstring remote_machine, - struct in_addr *dest_ip) -{ - if (is_ipaddress(server)) { - struct in_addr to_ip = *interpret_addr2(server); - - /* we need to know the machines netbios name - this is a lousy - way to find it, but until we have a RPC call that does this - it will have to do */ - if (!name_status_find("*", 0x20, 0x20, to_ip, remote_machine)) { - DEBUG(2, ("rpc_resolve_dc: Can't resolve name for IP %s\n", server)); - return NT_STATUS_NO_LOGON_SERVERS; - } - - *dest_ip = to_ip; - return NT_STATUS_OK; - } - - fstrcpy(remote_machine, server); - strupper(remote_machine); - if (!resolve_name(remote_machine, dest_ip, 0x20)) { - DEBUG(1,("rpc_resolve_dc: Can't resolve address for %s\n", - remote_machine)); - return NT_STATUS_NO_LOGON_SERVERS; - } - - DEBUG(4,("rpc_resolve_dc: using server='%s' IP=%s\n", - remote_machine, inet_ntoa(*dest_ip))); - - return NT_STATUS_OK; -} - /** * Connect to a remote server for domain security authenticaion. * @@ -121,36 +41,14 @@ static NTSTATUS rpc_resolve_dc(const char *server, **/ static NTSTATUS connect_to_domain_password_server(struct cli_state **cli, - const char *server, + const char *dc_name, struct in_addr dc_ip, const char *setup_creds_as, uint16 sec_chan, const unsigned char *trust_passwd, BOOL *retry) { - struct in_addr dest_ip; - fstring remote_machine; NTSTATUS result; - uint32 neg_flags = 0x000001ff; - - *retry = False; - - if (lp_security() == SEC_ADS) - result = ads_resolve_dc(remote_machine, &dest_ip); - else - result = rpc_resolve_dc(server, remote_machine, &dest_ip); - - if (!NT_STATUS_IS_OK(result)) { - DEBUG(2,("connect_to_domain_password_server: unable to resolve DC: %s\n", - nt_errstr(result))); - return result; - } - if (ismyip(dest_ip)) { - DEBUG(1,("connect_to_domain_password_server: Password server loop - not using password server %s\n", - remote_machine)); - return NT_STATUS_NO_LOGON_SERVERS; - } - /* TODO: Send a SAMLOGON request to determine whether this is a valid logonserver. We can avoid a 30-second timeout if the DC is down if the SAMLOGON request fails as it is only over UDP. */ @@ -165,14 +63,13 @@ static NTSTATUS connect_to_domain_password_server(struct cli_state **cli, * ACCESS_DENIED errors if 2 auths are done from the same machine. JRA. */ - *retry = True; - - if (!grab_server_mutex(server)) + if (!grab_server_mutex(dc_name)) return NT_STATUS_NO_LOGON_SERVERS; /* Attempt connection */ - result = cli_full_connection(cli, global_myname(), remote_machine, - &dest_ip, 0, "IPC$", "IPC", "", "", "",0, retry); + *retry = True; + result = cli_full_connection(cli, global_myname(), dc_name, &dc_ip, 0, + "IPC$", "IPC", "", "", "", 0, retry); if (!NT_STATUS_IS_OK(result)) { /* map to something more useful */ @@ -199,7 +96,7 @@ static NTSTATUS connect_to_domain_password_server(struct cli_state **cli, if(cli_nt_session_open(*cli, PI_NETLOGON) == False) { DEBUG(0,("connect_to_domain_password_server: unable to open the domain client session to \ -machine %s. Error was : %s.\n", remote_machine, cli_errstr(*cli))); +machine %s. Error was : %s.\n", dc_name, cli_errstr(*cli))); cli_nt_session_close(*cli); cli_ulogoff(*cli); cli_shutdown(*cli); @@ -214,11 +111,11 @@ machine %s. Error was : %s.\n", remote_machine, cli_errstr(*cli))); return NT_STATUS_NO_MEMORY; } - result = cli_nt_setup_creds(*cli, sec_chan, trust_passwd, &neg_flags, 2); + result = cli_nt_establish_netlogon(*cli, sec_chan, trust_passwd); if (!NT_STATUS_IS_OK(result)) { DEBUG(0,("connect_to_domain_password_server: unable to setup the NETLOGON credentials to machine \ -%s. Error was : %s.\n", remote_machine, nt_errstr(result))); +%s. Error was : %s.\n", dc_name, nt_errstr(result))); cli_nt_session_close(*cli); cli_ulogoff(*cli); cli_shutdown(*cli); @@ -232,61 +129,6 @@ machine %s. Error was : %s.\n", remote_machine, cli_errstr(*cli))); } /*********************************************************************** - Utility function to attempt a connection to an IP address of a DC. -************************************************************************/ - -static NTSTATUS attempt_connect_to_dc(struct cli_state **cli, - const char *domain, - struct in_addr *ip, - const char *setup_creds_as, - uint16 sec_chan, - const unsigned char *trust_passwd) -{ - NTSTATUS ret = NT_STATUS_UNSUCCESSFUL; - BOOL retry = True; - fstring dc_name; - int i; - - /* - * Ignore addresses we have already tried. - */ - - if (is_zero_ip(*ip)) - return NT_STATUS_NO_LOGON_SERVERS; - - if (!lookup_dc_name(global_myname(), domain, ip, dc_name)) - return NT_STATUS_NO_LOGON_SERVERS; - - for (i = 0; (!NT_STATUS_IS_OK(ret)) && retry && (i < 3); i++) - ret = connect_to_domain_password_server(cli, dc_name, setup_creds_as, - sec_chan, trust_passwd, &retry); - return ret; -} - -/*********************************************************************** - We have been asked to dynamically determine the IP addresses of - the PDC and BDC's for DOMAIN, and query them in turn. -************************************************************************/ -static NTSTATUS find_connect_dc(struct cli_state **cli, - const char *domain, - const char *setup_creds_as, - uint16 sec_chan, - unsigned char *trust_passwd, - time_t last_change_time) -{ - struct in_addr dc_ip; - fstring srv_name; - - if (!rpc_find_dc(domain, srv_name, &dc_ip)) { - DEBUG(0,("find_connect_dc: Failed to find an DCs for %s\n", lp_workgroup())); - return NT_STATUS_NO_LOGON_SERVERS; - } - - return attempt_connect_to_dc( cli, domain, &dc_ip, setup_creds_as, - sec_chan, trust_passwd ); -} - -/*********************************************************************** Do the same as security=server, but using NT Domain calls and a session key from the machine password. If the server parameter is specified use it, otherwise figure out a server from the 'password server' param. @@ -297,15 +139,17 @@ static NTSTATUS domain_client_validate(TALLOC_CTX *mem_ctx, const char *domain, uchar chal[8], auth_serversupplied_info **server_info, - const char *server, const char *setup_creds_as, + const char *dc_name, struct in_addr dc_ip, + const char *setup_creds_as, uint16 sec_chan, unsigned char trust_passwd[16], time_t last_change_time) { - fstring remote_machine; NET_USER_INFO_3 info3; struct cli_state *cli = NULL; NTSTATUS nt_status = NT_STATUS_NO_LOGON_SERVERS; + int i; + BOOL retry = True; /* * At this point, smb_apasswd points to the lanman response to @@ -315,20 +159,14 @@ static NTSTATUS domain_client_validate(TALLOC_CTX *mem_ctx, * see if they were valid. */ - while (!NT_STATUS_IS_OK(nt_status) && - next_token(&server,remote_machine,LIST_SEP,sizeof(remote_machine))) { - if(lp_security() != SEC_ADS && strequal(remote_machine, "*")) { - nt_status = find_connect_dc(&cli, domain, setup_creds_as, sec_chan, trust_passwd, last_change_time); - } else { - int i; - BOOL retry = True; - for (i = 0; !NT_STATUS_IS_OK(nt_status) && retry && (i < 3); i++) - nt_status = connect_to_domain_password_server(&cli, remote_machine, setup_creds_as, - sec_chan, trust_passwd, &retry); - } + /* rety loop for robustness */ + + for (i = 0; !NT_STATUS_IS_OK(nt_status) && retry && (i < 3); i++) { + nt_status = connect_to_domain_password_server(&cli, dc_name, dc_ip, setup_creds_as, + sec_chan, trust_passwd, &retry); } - if (!NT_STATUS_IS_OK(nt_status)) { + if ( !NT_STATUS_IS_OK(nt_status) ) { DEBUG(0,("domain_client_validate: Domain password server not available.\n")); return nt_status; } @@ -341,11 +179,15 @@ static NTSTATUS domain_client_validate(TALLOC_CTX *mem_ctx, */ nt_status = cli_netlogon_sam_network_logon(cli, mem_ctx, - user_info->smb_name.str, user_info->domain.str, - user_info->wksta_name.str, chal, - user_info->lm_resp, user_info->nt_resp, - &info3); + NULL, user_info->smb_name.str, user_info->domain.str, + user_info->wksta_name.str, chal, user_info->lm_resp, + user_info->nt_resp, &info3); + /* let go as soon as possible so we avoid any potential deadlocks + with winbind lookup up users or groups */ + + release_server_mutex(); + if (!NT_STATUS_IS_OK(nt_status)) { DEBUG(0,("domain_client_validate: unable to validate password " "for user %s in domain %s to Domain controller %s. " @@ -360,7 +202,7 @@ static NTSTATUS domain_client_validate(TALLOC_CTX *mem_ctx, } else { nt_status = make_server_info_info3(mem_ctx, user_info->internal_username.str, user_info->smb_name.str, domain, server_info, &info3); - uni_group_cache_store_netlogon(mem_ctx, &info3); + netsamlogon_cache_store( mem_ctx, &info3 ); } #if 0 @@ -373,7 +215,7 @@ static NTSTATUS domain_client_validate(TALLOC_CTX *mem_ctx, if (NT_STATUS_IS_OK(status)) { if(cli_nt_logoff(&cli, &ctr) == False) { DEBUG(0,("domain_client_validate: unable to log off user %s in domain \ -%s to Domain controller %s. Error was %s.\n", user, domain, remote_machine, cli_errstr(&cli))); +%s to Domain controller %s. Error was %s.\n", user, domain, dc_name, cli_errstr(&cli))); nt_status = NT_STATUS_LOGON_FAILURE; } } @@ -386,7 +228,6 @@ static NTSTATUS domain_client_validate(TALLOC_CTX *mem_ctx, cli_nt_session_close(cli); cli_ulogoff(cli); cli_shutdown(cli); - release_server_mutex(); return nt_status; } @@ -401,11 +242,18 @@ static NTSTATUS check_ntdomain_security(const struct auth_context *auth_context, auth_serversupplied_info **server_info) { NTSTATUS nt_status = NT_STATUS_LOGON_FAILURE; - char *password_server; unsigned char trust_passwd[16]; time_t last_change_time; const char *domain = lp_workgroup(); uint32 sec_channel_type = 0; + fstring dc_name; + struct in_addr dc_ip; + + if ( lp_server_role() != ROLE_DOMAIN_MEMBER ) { + DEBUG(0,("check_ntdomain_security: Configuration error! Cannot use " + "ntdomain auth method when not a member of a domain.\n")); + return NT_STATUS_NOT_IMPLEMENTED; + } if (!user_info || !server_info || !auth_context) { DEBUG(1,("check_ntdomain_security: Critical variables not present. Failing.\n")); @@ -418,9 +266,9 @@ static NTSTATUS check_ntdomain_security(const struct auth_context *auth_context, * password file. */ - if(is_myname(user_info->domain.str)) { + if(strequal(get_global_sam_name(), user_info->domain.str)) { DEBUG(3,("check_ntdomain_security: Requested domain was for this machine.\n")); - return NT_STATUS_LOGON_FAILURE; + return NT_STATUS_NOT_IMPLEMENTED; } /* @@ -443,22 +291,23 @@ static NTSTATUS check_ntdomain_security(const struct auth_context *auth_context, } } - /* - * Treat each name in the 'password server =' line as a potential - * PDC/BDC. Contact each in turn and try and authenticate. - */ - - password_server = lp_passwordserver(); + /* we need our DC to send the net_sam_logon() request to */ + if ( !get_dc_name(domain, dc_name, &dc_ip) ) { + DEBUG(5,("check_trustdomain_security: unable to locate a DC for domain %s\n", + user_info->domain.str)); + return NT_STATUS_NO_LOGON_SERVERS; + } + nt_status = domain_client_validate(mem_ctx, user_info, domain, - (uchar *)auth_context->challenge.data, - server_info, - password_server, global_myname(), sec_channel_type,trust_passwd, last_change_time); + (uchar *)auth_context->challenge.data, server_info, dc_name, dc_ip, + global_myname(), sec_channel_type,trust_passwd, last_change_time); + return nt_status; } /* module initialisation */ -NTSTATUS auth_init_ntdomain(struct auth_context *auth_context, const char* param, auth_methods **auth_method) +static NTSTATUS auth_init_ntdomain(struct auth_context *auth_context, const char* param, auth_methods **auth_method) { if (!make_auth_methods(auth_context, auth_method)) { return NT_STATUS_NO_MEMORY; @@ -485,6 +334,8 @@ static NTSTATUS check_trustdomain_security(const struct auth_context *auth_conte char *trust_password; time_t last_change_time; DOM_SID sid; + fstring dc_name; + struct in_addr dc_ip; if (!user_info || !server_info || !auth_context) { DEBUG(1,("check_trustdomain_security: Critical variables not present. Failing.\n")); @@ -492,25 +343,22 @@ static NTSTATUS check_trustdomain_security(const struct auth_context *auth_conte } /* - * Check that the requested domain is not our own machine name. - * If it is, we should never check the PDC here, we use our own local - * password file. + * Check that the requested domain is not our own machine name or domain name. */ - if(is_myname(user_info->domain.str)) { - DEBUG(3,("check_trustdomain_security: Requested domain was for this machine.\n")); - return NT_STATUS_LOGON_FAILURE; + if( strequal(get_global_sam_name(), user_info->domain.str)) { + DEBUG(3,("check_trustdomain_security: Requested domain [%s] was for this machine.\n", + user_info->domain.str)); + return NT_STATUS_NOT_IMPLEMENTED; } - /* - * Check that the requested domain is not our own domain, - * If it is, we should use our own local password file. - */ - - if(strequal(lp_workgroup(), (user_info->domain.str))) { - DEBUG(3,("check_trustdomain_security: Requested domain was for this domain.\n")); - return NT_STATUS_LOGON_FAILURE; - } + /* No point is bothering if this is not a trusted domain. + This return makes "map to guest = bad user" work again. + The logic is that if we know nothing about the domain, that + user is known to us and does not exist */ + + if ( !is_trusted_domain( user_info->domain.str ) ) + return NT_STATUS_NOT_IMPLEMENTED; /* * Get the trusted account password for the trusted domain @@ -537,16 +385,24 @@ static NTSTATUS check_trustdomain_security(const struct auth_context *auth_conte } #endif - nt_status = domain_client_validate(mem_ctx, user_info, user_info->domain.str, - (uchar *)auth_context->challenge.data, - server_info, "*" /* Do a lookup */, - lp_workgroup(), SEC_CHAN_DOMAIN, trust_md4_password, last_change_time); + /* use get_dc_name() for consistency even through we know that it will be + a netbios name */ + + if ( !get_dc_name(user_info->domain.str, dc_name, &dc_ip) ) { + DEBUG(5,("check_trustdomain_security: unable to locate a DC for domain %s\n", + user_info->domain.str)); + return NT_STATUS_NO_LOGON_SERVERS; + } + nt_status = domain_client_validate(mem_ctx, user_info, user_info->domain.str, + (uchar *)auth_context->challenge.data, server_info, dc_name, dc_ip, + lp_workgroup(), SEC_CHAN_DOMAIN, trust_md4_password, last_change_time); + return nt_status; } /* module initialisation */ -NTSTATUS auth_init_trustdomain(struct auth_context *auth_context, const char* param, auth_methods **auth_method) +static NTSTATUS auth_init_trustdomain(struct auth_context *auth_context, const char* param, auth_methods **auth_method) { if (!make_auth_methods(auth_context, auth_method)) { return NT_STATUS_NO_MEMORY; diff --git a/source3/auth/auth_rhosts.c b/source3/auth/auth_rhosts.c index 3411083116..fab2d551f2 100644 --- a/source3/auth/auth_rhosts.c +++ b/source3/auth/auth_rhosts.c @@ -139,7 +139,7 @@ static BOOL check_hosts_equiv(SAM_ACCOUNT *account) char *fname = NULL; fname = lp_hosts_equiv(); - if (NT_STATUS_IS_ERR(sid_to_uid(pdb_get_user_sid(account), &uid))) + if (!NT_STATUS_IS_OK(sid_to_uid(pdb_get_user_sid(account), &uid))) return False; /* note: don't allow hosts.equiv on root */ @@ -162,11 +162,13 @@ static NTSTATUS check_hostsequiv_security(const struct auth_context *auth_contex const auth_usersupplied_info *user_info, auth_serversupplied_info **server_info) { - NTSTATUS nt_status = NT_STATUS_LOGON_FAILURE; + NTSTATUS nt_status; SAM_ACCOUNT *account = NULL; if (!NT_STATUS_IS_OK(nt_status = auth_get_sam_account(user_info->internal_username.str, &account))) { + if (NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_SUCH_USER)) + nt_status = NT_STATUS_NOT_IMPLEMENTED; return nt_status; } @@ -174,14 +176,14 @@ static NTSTATUS check_hostsequiv_security(const struct auth_context *auth_contex nt_status = make_server_info_sam(server_info, account); } else { pdb_free_sam(&account); - nt_status = NT_STATUS_LOGON_FAILURE; + nt_status = NT_STATUS_NOT_IMPLEMENTED; } return nt_status; } /* module initialisation */ -NTSTATUS auth_init_hostsequiv(struct auth_context *auth_context, const char* param, auth_methods **auth_method) +static NTSTATUS auth_init_hostsequiv(struct auth_context *auth_context, const char* param, auth_methods **auth_method) { if (!make_auth_methods(auth_context, auth_method)) { return NT_STATUS_NO_MEMORY; @@ -203,7 +205,7 @@ static NTSTATUS check_rhosts_security(const struct auth_context *auth_context, const auth_usersupplied_info *user_info, auth_serversupplied_info **server_info) { - NTSTATUS nt_status = NT_STATUS_LOGON_FAILURE; + NTSTATUS nt_status; SAM_ACCOUNT *account = NULL; pstring rhostsfile; const char *home; @@ -211,6 +213,8 @@ static NTSTATUS check_rhosts_security(const struct auth_context *auth_context, if (!NT_STATUS_IS_OK(nt_status = auth_get_sam_account(user_info->internal_username.str, &account))) { + if (NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_SUCH_USER)) + nt_status = NT_STATUS_NOT_IMPLEMENTED; return nt_status; } @@ -223,19 +227,18 @@ static NTSTATUS check_rhosts_security(const struct auth_context *auth_context, nt_status = make_server_info_sam(server_info, account); } else { pdb_free_sam(&account); - nt_status = NT_STATUS_LOGON_FAILURE; } unbecome_root(); } else { pdb_free_sam(&account); - nt_status = NT_STATUS_LOGON_FAILURE; + nt_status = NT_STATUS_NOT_IMPLEMENTED; } return nt_status; } /* module initialisation */ -NTSTATUS auth_init_rhosts(struct auth_context *auth_context, const char *param, auth_methods **auth_method) +static NTSTATUS auth_init_rhosts(struct auth_context *auth_context, const char *param, auth_methods **auth_method) { if (!make_auth_methods(auth_context, auth_method)) { return NT_STATUS_NO_MEMORY; diff --git a/source3/auth/auth_sam.c b/source3/auth/auth_sam.c index a7e49a270f..012696f46a 100644 --- a/source3/auth/auth_sam.c +++ b/source3/auth/auth_sam.c @@ -4,6 +4,7 @@ Copyright (C) Andrew Tridgell 1992-2000 Copyright (C) Luke Kenneth Casson Leighton 1996-2000 Copyright (C) Andrew Bartlett 2001 + Copyright (C) Gerald Carter 2003 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 @@ -28,9 +29,9 @@ /**************************************************************************** core of smb password checking routine. ****************************************************************************/ -static BOOL smb_pwd_check_ntlmv1(DATA_BLOB nt_response, +static BOOL smb_pwd_check_ntlmv1(const DATA_BLOB *nt_response, const uchar *part_passwd, - DATA_BLOB sec_blob, + const DATA_BLOB *sec_blob, uint8 user_sess_key[16]) { /* Finish the encryption of part_passwd. */ @@ -42,17 +43,17 @@ static BOOL smb_pwd_check_ntlmv1(DATA_BLOB nt_response, return False; } - if (sec_blob.length != 8) { - DEBUG(0, ("smb_pwd_check_ntlmv1: incorrect challenge size (%d)\n", sec_blob.length)); + if (sec_blob->length != 8) { + DEBUG(0, ("smb_pwd_check_ntlmv1: incorrect challenge size (%d)\n", sec_blob->length)); return False; } - if (nt_response.length != 24) { - DEBUG(0, ("smb_pwd_check_ntlmv1: incorrect password length (%d)\n", nt_response.length)); + if (nt_response->length != 24) { + DEBUG(0, ("smb_pwd_check_ntlmv1: incorrect password length (%d)\n", nt_response->length)); return False; } - SMBOWFencrypt(part_passwd, sec_blob.data, p24); + SMBOWFencrypt(part_passwd, sec_blob->data, p24); if (user_sess_key != NULL) { SMBsesskeygen_ntv1(part_passwd, NULL, user_sess_key); @@ -61,16 +62,16 @@ static BOOL smb_pwd_check_ntlmv1(DATA_BLOB nt_response, #if DEBUG_PASSWORD - DEBUG(100,("Part password (P16) was |")); + DEBUG(100,("Part password (P16) was |\n")); dump_data(100, part_passwd, 16); - DEBUG(100,("Password from client was |")); - dump_data(100, nt_response.data, nt_response.length); - DEBUG(100,("Given challenge was |")); - dump_data(100, sec_blob.data, sec_blob.length); - DEBUG(100,("Value from encryption was |")); + DEBUGADD(100,("Password from client was |\n")); + dump_data(100, nt_response->data, nt_response->length); + DEBUGADD(100,("Given challenge was |\n")); + dump_data(100, sec_blob->data, sec_blob->length); + DEBUGADD(100,("Value from encryption was |\n")); dump_data(100, p24, 24); #endif - return (memcmp(p24, nt_response.data, 24) == 0); + return (memcmp(p24, nt_response->data, 24) == 0); } @@ -79,9 +80,9 @@ core of smb password checking routine. (NTLMv2, LMv2) Note: The same code works with both NTLMv2 and LMv2. ****************************************************************************/ -static BOOL smb_pwd_check_ntlmv2(const DATA_BLOB ntv2_response, +static BOOL smb_pwd_check_ntlmv2(const DATA_BLOB *ntv2_response, const uchar *part_passwd, - const DATA_BLOB sec_blob, + const DATA_BLOB *sec_blob, const char *user, const char *domain, uint8 user_sess_key[16]) { @@ -98,42 +99,43 @@ static BOOL smb_pwd_check_ntlmv2(const DATA_BLOB ntv2_response, return False; } - if (ntv2_response.length < 16) { + if (ntv2_response->length < 24) { /* We MUST have more than 16 bytes, or the stuff below will go - crazy... */ + crazy. No known implementation sends less than the 24 bytes + for LMv2, let alone NTLMv2. */ DEBUG(0, ("smb_pwd_check_ntlmv2: incorrect password length (%d)\n", - ntv2_response.length)); + ntv2_response->length)); return False; } - client_key_data = data_blob(ntv2_response.data+16, ntv2_response.length-16); + client_key_data = data_blob(ntv2_response->data+16, ntv2_response->length-16); /* todo: should we be checking this for anything? We can't for LMv2, but for NTLMv2 it is meant to contain the current time etc. */ - memcpy(client_response, ntv2_response.data, sizeof(client_response)); + memcpy(client_response, ntv2_response->data, sizeof(client_response)); if (!ntv2_owf_gen(part_passwd, user, domain, kr)) { return False; } - SMBOWFencrypt_ntv2(kr, sec_blob, client_key_data, value_from_encryption); + SMBOWFencrypt_ntv2(kr, sec_blob, &client_key_data, value_from_encryption); if (user_sess_key != NULL) { SMBsesskeygen_ntv2(kr, value_from_encryption, user_sess_key); } #if DEBUG_PASSWORD - DEBUG(100,("Part password (P16) was |")); + DEBUG(100,("Part password (P16) was |\n")); dump_data(100, part_passwd, 16); - DEBUG(100,("Password from client was |")); - dump_data(100, ntv2_response.data, ntv2_response.length); - DEBUG(100,("Variable data from client was |")); + DEBUGADD(100,("Password from client was |\n")); + dump_data(100, ntv2_response->data, ntv2_response->length); + DEBUGADD(100,("Variable data from client was |\n")); dump_data(100, client_key_data.data, client_key_data.length); - DEBUG(100,("Given challenge was |")); - dump_data(100, sec_blob.data, sec_blob.length); - DEBUG(100,("Value from encryption was |")); + DEBUGADD(100,("Given challenge was |\n")); + dump_data(100, sec_blob->data, sec_blob->length); + DEBUGADD(100,("Value from encryption was |\n")); dump_data(100, value_from_encryption, 16); #endif data_blob_clear_free(&client_key_data); @@ -185,8 +187,8 @@ static NTSTATUS sam_password_ok(const struct auth_context *auth_context, use it (ie. does it exist in the smbpasswd file). */ DEBUG(4,("sam_password_ok: Checking NTLMv2 password with domain [%s]\n", user_info->client_domain.str)); - if (smb_pwd_check_ntlmv2( user_info->nt_resp, - nt_pw, auth_context->challenge, + if (smb_pwd_check_ntlmv2( &user_info->nt_resp, + nt_pw, &auth_context->challenge, user_info->smb_name.str, user_info->client_domain.str, user_sess_key)) @@ -195,11 +197,12 @@ static NTSTATUS sam_password_ok(const struct auth_context *auth_context, } DEBUG(4,("sam_password_ok: Checking NTLMv2 password without a domain\n")); - if (smb_pwd_check_ntlmv2( user_info->nt_resp, - nt_pw, auth_context->challenge, + if (smb_pwd_check_ntlmv2( &user_info->nt_resp, + nt_pw, &auth_context->challenge, user_info->smb_name.str, "", user_sess_key)) + { return NT_STATUS_OK; } else { @@ -213,8 +216,8 @@ static NTSTATUS sam_password_ok(const struct auth_context *auth_context, use it (ie. does it exist in the smbpasswd file). */ DEBUG(4,("sam_password_ok: Checking NT MD4 password\n")); - if (smb_pwd_check_ntlmv1(user_info->nt_resp, - nt_pw, auth_context->challenge, + if (smb_pwd_check_ntlmv1(&user_info->nt_resp, + nt_pw, &auth_context->challenge, user_sess_key)) { return NT_STATUS_OK; @@ -224,7 +227,7 @@ static NTSTATUS sam_password_ok(const struct auth_context *auth_context, } } else { DEBUG(2,("sam_password_ok: NTLMv1 passwords NOT PERMITTED for user %s\n",pdb_get_username(sampass))); - /* no return, because we might pick up LMv2 in the LM field */ + /* no return, becouse we might pick up LMv2 in the LM field */ } } @@ -242,8 +245,8 @@ static NTSTATUS sam_password_ok(const struct auth_context *auth_context, lm_pw = pdb_get_lanman_passwd(sampass); DEBUG(4,("sam_password_ok: Checking LM password\n")); - if (smb_pwd_check_ntlmv1(user_info->lm_resp, - lm_pw, auth_context->challenge, + if (smb_pwd_check_ntlmv1(&user_info->lm_resp, + lm_pw, &auth_context->challenge, user_sess_key)) { return NT_STATUS_OK; @@ -261,8 +264,8 @@ static NTSTATUS sam_password_ok(const struct auth_context *auth_context, - related to Win9X, legacy NAS pass-though authentication */ DEBUG(4,("sam_password_ok: Checking LMv2 password with domain %s\n", user_info->client_domain.str)); - if (smb_pwd_check_ntlmv2( user_info->lm_resp, - nt_pw, auth_context->challenge, + if (smb_pwd_check_ntlmv2( &user_info->lm_resp, + nt_pw, &auth_context->challenge, user_info->smb_name.str, user_info->client_domain.str, user_sess_key)) @@ -271,8 +274,8 @@ static NTSTATUS sam_password_ok(const struct auth_context *auth_context, } DEBUG(4,("sam_password_ok: Checking LMv2 password without a domain\n")); - if (smb_pwd_check_ntlmv2( user_info->lm_resp, - nt_pw, auth_context->challenge, + if (smb_pwd_check_ntlmv2( &user_info->lm_resp, + nt_pw, &auth_context->challenge, user_info->smb_name.str, "", user_sess_key)) @@ -286,8 +289,8 @@ static NTSTATUS sam_password_ok(const struct auth_context *auth_context, DEBUG(4,("sam_password_ok: Checking NT MD4 password in LM field\n")); if (lp_ntlm_auth()) { - if (smb_pwd_check_ntlmv1(user_info->lm_resp, - nt_pw, auth_context->challenge, + if (smb_pwd_check_ntlmv1(&user_info->lm_resp, + nt_pw, &auth_context->challenge, user_sess_key)) { return NT_STATUS_OK; @@ -330,7 +333,7 @@ static NTSTATUS sam_account_ok(TALLOC_CTX *mem_ctx, kickoff_time = pdb_get_kickoff_time(sampass); if (kickoff_time != 0 && time(NULL) > kickoff_time) { - DEBUG(1,("Account for user '%s' has expried.\n", pdb_get_username(sampass))); + DEBUG(1,("Account for user '%s' has expired.\n", pdb_get_username(sampass))); DEBUG(3,("Account expired at '%ld' unix time.\n", (long)kickoff_time)); return NT_STATUS_ACCOUNT_EXPIRED; } @@ -438,14 +441,14 @@ static NTSTATUS check_sam_security(const struct auth_context *auth_context, return NT_STATUS_NO_SUCH_USER; } - nt_status = sam_account_ok(mem_ctx, sampass, user_info); + nt_status = sam_password_ok(auth_context, mem_ctx, sampass, user_info, user_sess_key); if (!NT_STATUS_IS_OK(nt_status)) { pdb_free_sam(&sampass); return nt_status; } - nt_status = sam_password_ok(auth_context, mem_ctx, sampass, user_info, user_sess_key); + nt_status = sam_account_ok(mem_ctx, sampass, user_info); if (!NT_STATUS_IS_OK(nt_status)) { pdb_free_sam(&sampass); @@ -468,14 +471,14 @@ static NTSTATUS check_sam_security(const struct auth_context *auth_context, } /* module initialisation */ -NTSTATUS auth_init_sam(struct auth_context *auth_context, const char *param, auth_methods **auth_method) +static NTSTATUS auth_init_sam_ignoredomain(struct auth_context *auth_context, const char *param, auth_methods **auth_method) { if (!make_auth_methods(auth_context, auth_method)) { return NT_STATUS_NO_MEMORY; } (*auth_method)->auth = check_sam_security; - (*auth_method)->name = "sam"; + (*auth_method)->name = "sam_ignoredomain"; return NT_STATUS_OK; } @@ -490,83 +493,55 @@ static NTSTATUS check_samstrict_security(const struct auth_context *auth_context const auth_usersupplied_info *user_info, auth_serversupplied_info **server_info) { + BOOL is_local_name, is_my_domain; if (!user_info || !auth_context) { return NT_STATUS_LOGON_FAILURE; } - /* If we are a domain member, we must not - attempt to check the password locally, - unless it is one of our aliases. */ + is_local_name = is_myname(user_info->domain.str); + is_my_domain = strequal(user_info->domain.str, lp_workgroup()); + + /* check whether or not we service this domain/workgroup name */ - if (!is_myname(user_info->domain.str)) { - DEBUG(7,("The requested user domain is not the local server name. [%s]\\[%s]\n", - user_info->domain.str,user_info->internal_username.str)); - return NT_STATUS_NO_SUCH_USER; + switch ( lp_server_role() ) { + case ROLE_STANDALONE: + case ROLE_DOMAIN_MEMBER: + if ( !is_local_name ) { + DEBUG(6,("check_samstrict_security: %s is not one of my local names (%s)\n", + user_info->domain.str, (lp_server_role() == ROLE_DOMAIN_MEMBER + ? "ROLE_DOMAIN_MEMBER" : "ROLE_STANDALONE") )); + return NT_STATUS_NOT_IMPLEMENTED; + } + case ROLE_DOMAIN_PDC: + case ROLE_DOMAIN_BDC: + if ( !is_local_name && !is_my_domain ) { + DEBUG(6,("check_samstrict_security: %s is not one of my local names or domain name (DC)\n", + user_info->domain.str)); + return NT_STATUS_NOT_IMPLEMENTED; + } + default: /* name is ok */ + break; } return check_sam_security(auth_context, my_private_data, mem_ctx, user_info, server_info); } /* module initialisation */ -NTSTATUS auth_init_samstrict(struct auth_context *auth_context, const char *param, auth_methods **auth_method) +static NTSTATUS auth_init_sam(struct auth_context *auth_context, const char *param, auth_methods **auth_method) { if (!make_auth_methods(auth_context, auth_method)) { return NT_STATUS_NO_MEMORY; } (*auth_method)->auth = check_samstrict_security; - (*auth_method)->name = "samstrict"; - return NT_STATUS_OK; -} - -/**************************************************************************** -Check SAM security (above) but with a few extra checks if we're a DC. -****************************************************************************/ - -static NTSTATUS check_samstrict_dc_security(const struct auth_context *auth_context, - void *my_private_data, - TALLOC_CTX *mem_ctx, - const auth_usersupplied_info *user_info, - auth_serversupplied_info **server_info) -{ - - if (!user_info || !auth_context) { - return NT_STATUS_LOGON_FAILURE; - } - - /* If we are a domain member, we must not - attempt to check the password locally, - unless it is one of our aliases, empty - or our domain if we are a logon server.*/ - - - if ((!is_myworkgroup(user_info->domain.str))&& - (!is_myname(user_info->domain.str))) { - DEBUG(7,("The requested user domain is not the local server name or our domain. [%s]\\[%s]\n", - user_info->domain.str,user_info->internal_username.str)); - return NT_STATUS_NO_SUCH_USER; - } - - return check_sam_security(auth_context, my_private_data, mem_ctx, user_info, server_info); -} - -/* module initialisation */ -NTSTATUS auth_init_samstrict_dc(struct auth_context *auth_context, const char *param, auth_methods **auth_method) -{ - if (!make_auth_methods(auth_context, auth_method)) { - return NT_STATUS_NO_MEMORY; - } - - (*auth_method)->auth = check_samstrict_dc_security; - (*auth_method)->name = "samstrict_dc"; + (*auth_method)->name = "sam"; return NT_STATUS_OK; } NTSTATUS auth_sam_init(void) { - smb_register_auth(AUTH_INTERFACE_VERSION, "samstrict_dc", auth_init_samstrict_dc); - smb_register_auth(AUTH_INTERFACE_VERSION, "samstrict", auth_init_samstrict); smb_register_auth(AUTH_INTERFACE_VERSION, "sam", auth_init_sam); + smb_register_auth(AUTH_INTERFACE_VERSION, "sam_ignoredomain", auth_init_sam_ignoredomain); return NT_STATUS_OK; } diff --git a/source3/auth/auth_server.c b/source3/auth/auth_server.c index 73af290af2..30e0e13a56 100644 --- a/source3/auth/auth_server.c +++ b/source3/auth/auth_server.c @@ -50,7 +50,7 @@ static struct cli_state *server_cryptkey(TALLOC_CTX *mem_ctx) while(next_token( &p, desthost, LIST_SEP, sizeof(desthost))) { standard_sub_basic(current_user_info.smb_name, desthost, sizeof(desthost)); - strupper(desthost); + strupper_m(desthost); if(!resolve_name( desthost, &dest_ip, 0x20)) { DEBUG(1,("server_cryptkey: Can't resolve address for %s\n",desthost)); @@ -222,7 +222,7 @@ static NTSTATUS check_smbserver_security(const struct auth_context *auth_context static fstring baduser; static BOOL tested_password_server = False; static BOOL bad_password_server = False; - NTSTATUS nt_status = NT_STATUS_LOGON_FAILURE; + NTSTATUS nt_status = NT_STATUS_NOT_IMPLEMENTED; BOOL locally_made_cli = False; /* @@ -233,7 +233,7 @@ static NTSTATUS check_smbserver_security(const struct auth_context *auth_context if(is_myname(user_info->domain.str)) { DEBUG(3,("check_smbserver_security: Requested domain was for this machine.\n")); - return NT_STATUS_LOGON_FAILURE; + return nt_status; } cli = my_private_data; @@ -372,12 +372,19 @@ use this machine as the password server.\n")); cli_ulogoff(cli); - if NT_STATUS_IS_OK(nt_status) { + if (NT_STATUS_IS_OK(nt_status)) { struct passwd *pass = Get_Pwnam(user_info->internal_username.str); if (pass) { nt_status = make_server_info_pw(server_info, pass); } else { - nt_status = NT_STATUS_NO_SUCH_USER; + auth_add_user_script(user_info->domain.str, user_info->internal_username.str); + pass = Get_Pwnam(user_info->internal_username.str); + + if (pass) { + nt_status = make_server_info_pw(server_info, pass); + } else { + nt_status = NT_STATUS_NO_SUCH_USER; + } } } @@ -388,7 +395,7 @@ use this machine as the password server.\n")); return(nt_status); } -NTSTATUS auth_init_smbserver(struct auth_context *auth_context, const char* param, auth_methods **auth_method) +static NTSTATUS auth_init_smbserver(struct auth_context *auth_context, const char* param, auth_methods **auth_method) { if (!make_auth_methods(auth_context, auth_method)) { return NT_STATUS_NO_MEMORY; diff --git a/source3/auth/auth_unix.c b/source3/auth/auth_unix.c index 392178f77c..b9de6f7acb 100644 --- a/source3/auth/auth_unix.c +++ b/source3/auth/auth_unix.c @@ -119,7 +119,7 @@ static NTSTATUS check_unix_security(const struct auth_context *auth_context, } /* module initialisation */ -NTSTATUS auth_init_unix(struct auth_context *auth_context, const char* param, auth_methods **auth_method) +static NTSTATUS auth_init_unix(struct auth_context *auth_context, const char* param, auth_methods **auth_method) { if (!make_auth_methods(auth_context, auth_method)) { return NT_STATUS_NO_MEMORY; diff --git a/source3/auth/auth_util.c b/source3/auth/auth_util.c index e8f2af41f3..8e1b420b47 100644 --- a/source3/auth/auth_util.c +++ b/source3/auth/auth_util.c @@ -1,4 +1,4 @@ -/* +/* Unix SMB/CIFS implementation. Authentication utility functions Copyright (C) Andrew Tridgell 1992-1998 @@ -36,7 +36,7 @@ extern DOM_SID global_sid_Authenticated_Users; Create a UNIX user on demand. ****************************************************************************/ -static int smb_create_user(const char *unix_user, const char *homedir) +static int smb_create_user(const char *domain, const char *unix_username, const char *homedir) { pstring add_script; int ret; @@ -44,7 +44,9 @@ static int smb_create_user(const char *unix_user, const char *homedir) pstrcpy(add_script, lp_adduser_script()); if (! *add_script) return -1; - all_string_sub(add_script, "%u", unix_user, sizeof(pstring)); + all_string_sub(add_script, "%u", unix_username, sizeof(pstring)); + if (domain) + all_string_sub(add_script, "%D", domain, sizeof(pstring)); if (homedir) all_string_sub(add_script, "%H", homedir, sizeof(pstring)); ret = smbrun(add_script,NULL); @@ -54,25 +56,30 @@ static int smb_create_user(const char *unix_user, const char *homedir) /**************************************************************************** Add and Delete UNIX users on demand, based on NTSTATUS codes. + We don't care about RID's here so ignore. ****************************************************************************/ -void smb_user_control(const auth_usersupplied_info *user_info, auth_serversupplied_info *server_info, NTSTATUS nt_status) +void auth_add_user_script(const char *domain, const char *username) { - struct passwd *pwd=NULL; - - if (NT_STATUS_IS_OK(nt_status)) { - - if (!(server_info->sam_fill_level & SAM_FILL_UNIX)) { - - /* - * User validated ok against Domain controller. - * If the admin wants us to try and create a UNIX - * user on the fly, do so. - */ - - if(lp_adduser_script() && !(pwd = Get_Pwnam(user_info->internal_username.str))) { - smb_create_user(user_info->internal_username.str, NULL); - } + uint32 rid; + /* + * User validated ok against Domain controller. + * If the admin wants us to try and create a UNIX + * user on the fly, do so. + */ + + if ( lp_adduser_script() ) + smb_create_user(domain, username, NULL); + else { + DEBUG(10,("auth_add_user_script: no 'add user script'. Asking winbindd\n")); + + /* should never get here is we a re a domain member running winbindd + However, a host set for 'security = server' might run winbindd for + account allocation */ + + if ( !winbind_create_user(username, NULL) ) { + DEBUG(5,("auth_add_user_script: winbindd_create_user() failed\n")); + rid = 0; } } } @@ -208,41 +215,26 @@ NTSTATUS make_user_info_map(auth_usersupplied_info **user_info, DEBUG(5, ("make_user_info_map: Mapping user [%s]\\[%s] from workstation [%s]\n", client_domain, smb_name, wksta_name)); - if (lp_allow_trusted_domains() && *client_domain) { - - /* the client could have given us a workstation name - or other crap for the workgroup - we really need a - way of telling if this domain name is one of our - trusted domain names - - Also don't allow "" as a domain, fixes a Win9X bug + /* don't allow "" as a domain, fixes a Win9X bug where it doens't supply a domain for logon script - 'net use' commands. - - Finally, we do this by looking up a cache of trusted domains! - */ + 'net use' commands.*/ + if ( *client_domain ) domain = client_domain; + else + domain = lp_workgroup(); - if (is_trusted_domain(domain)) { - return make_user_info(user_info, smb_name, internal_username, - client_domain, domain, wksta_name, - lm_pwd, nt_pwd, plaintext, ntlmssp_flags, - encrypted); - } + /* do what win2k does. Always map unknown domains to our own + and let the "passdb backend" handle unknown users. */ - } else { - domain = lp_workgroup(); - } + if ( !is_trusted_domain(domain) ) + domain = get_default_sam_name(); - return make_user_info(user_info, - smb_name, internal_username, - client_domain, domain, - wksta_name, - lm_pwd, nt_pwd, - plaintext, - ntlmssp_flags, encrypted); + /* we know that it is a trusted domain (and we are allowing them) or it is our domain */ + return make_user_info(user_info, smb_name, internal_username, + client_domain, domain, wksta_name, lm_pwd, nt_pwd, + plaintext, ntlmssp_flags, encrypted); } /**************************************************************************** @@ -611,10 +603,10 @@ NT_USER_TOKEN *create_nt_token(uid_t uid, gid_t gid, int ngroups, gid_t *groups, NT_USER_TOKEN *token; int i; - if (NT_STATUS_IS_ERR(uid_to_sid(&user_sid, uid))) { + if (!NT_STATUS_IS_OK(uid_to_sid(&user_sid, uid))) { return NULL; } - if (NT_STATUS_IS_ERR(gid_to_sid(&group_sid, gid))) { + if (!NT_STATUS_IS_OK(gid_to_sid(&group_sid, gid))) { return NULL; } @@ -625,7 +617,7 @@ NT_USER_TOKEN *create_nt_token(uid_t uid, gid_t gid, int ngroups, gid_t *groups, } for (i = 0; i < ngroups; i++) { - if (NT_STATUS_IS_ERR(gid_to_sid(&(group_sids)[i], (groups)[i]))) { + if (!NT_STATUS_IS_OK(gid_to_sid(&(group_sids)[i], (groups)[i]))) { DEBUG(1, ("create_nt_token: failed to convert gid %ld to a sid!\n", (long int)groups[i])); SAFE_FREE(group_sids); return NULL; @@ -654,29 +646,22 @@ NT_USER_TOKEN *create_nt_token(uid_t uid, gid_t gid, int ngroups, gid_t *groups, * of groups. ******************************************************************************/ -static NTSTATUS get_user_groups_from_local_sam(SAM_ACCOUNT *sampass, +static NTSTATUS get_user_groups_from_local_sam(const char *username, uid_t uid, gid_t gid, int *n_groups, DOM_SID **groups, gid_t **unix_groups) { - uid_t uid; - gid_t gid; int n_unix_groups; int i; *n_groups = 0; *groups = NULL; - if (NT_STATUS_IS_ERR(sid_to_uid(pdb_get_user_sid(sampass), &uid)) || NT_STATUS_IS_ERR(sid_to_gid(pdb_get_group_sid(sampass), &gid))) { - DEBUG(0, ("get_user_groups_from_local_sam: error fetching uid or gid for user!\n")); - return NT_STATUS_UNSUCCESSFUL; - } - n_unix_groups = groups_max(); if ((*unix_groups = malloc( sizeof(gid_t) * n_unix_groups ) ) == NULL) { DEBUG(0, ("get_user_groups_from_local_sam: Out of memory allocating unix group list\n")); return NT_STATUS_NO_MEMORY; } - if (sys_getgrouplist(pdb_get_username(sampass), gid, *unix_groups, &n_unix_groups) == -1) { + if (sys_getgrouplist(username, gid, *unix_groups, &n_unix_groups) == -1) { gid_t *groups_tmp; groups_tmp = Realloc(*unix_groups, sizeof(gid_t) * n_unix_groups); if (!groups_tmp) { @@ -685,7 +670,7 @@ static NTSTATUS get_user_groups_from_local_sam(SAM_ACCOUNT *sampass, } *unix_groups = groups_tmp; - if (sys_getgrouplist(pdb_get_username(sampass), gid, *unix_groups, &n_unix_groups) == -1) { + if (sys_getgrouplist(username, gid, *unix_groups, &n_unix_groups) == -1) { DEBUG(0, ("get_user_groups_from_local_sam: failed to get the unix group list\n")); SAFE_FREE(*unix_groups); return NT_STATUS_NO_SUCH_USER; /* what should this return value be? */ @@ -706,7 +691,7 @@ static NTSTATUS get_user_groups_from_local_sam(SAM_ACCOUNT *sampass, *n_groups = n_unix_groups; for (i = 0; i < *n_groups; i++) { - if (NT_STATUS_IS_ERR(gid_to_sid(&(*groups)[i], (*unix_groups)[i]))) { + if (!NT_STATUS_IS_OK(gid_to_sid(&(*groups)[i], (*unix_groups)[i]))) { DEBUG(1, ("get_user_groups_from_local_sam: failed to convert gid %ld to a sid!\n", (long int)(*unix_groups)[i+1])); SAFE_FREE(*groups); SAFE_FREE(*unix_groups); @@ -721,10 +706,8 @@ static NTSTATUS get_user_groups_from_local_sam(SAM_ACCOUNT *sampass, Make a user_info struct ***************************************************************************/ -static NTSTATUS make_server_info(auth_serversupplied_info **server_info, SAM_ACCOUNT *sampass) +static NTSTATUS make_server_info(auth_serversupplied_info **server_info) { - NTSTATUS ret; - *server_info = malloc(sizeof(**server_info)); if (!*server_info) { DEBUG(0,("make_server_info: malloc failed!\n")); @@ -732,24 +715,25 @@ static NTSTATUS make_server_info(auth_serversupplied_info **server_info, SAM_ACC } ZERO_STRUCTP(*server_info); - (*server_info)->sam_fill_level = SAM_FILL_ALL; - (*server_info)->sam_account = sampass; - if (NT_STATUS_IS_ERR(ret = sid_to_uid(pdb_get_user_sid(sampass), &((*server_info)->uid)))) - return ret; - if (NT_STATUS_IS_ERR(ret = sid_to_gid(pdb_get_group_sid(sampass), &((*server_info)->gid)))) - return ret; + /* Initialise the uid and gid values to something non-zero + which may save us from giving away root access if there + is a bug in allocating these fields. */ + + (*server_info)->uid = -1; + (*server_info)->gid = -1; return NT_STATUS_OK; } /*************************************************************************** - Make (and fill) a user_info struct from a SAM_ACCOUNT +Fill a server_info struct from a SAM_ACCOUNT with their groups ***************************************************************************/ -NTSTATUS make_server_info_sam(auth_serversupplied_info **server_info, - SAM_ACCOUNT *sampass) +static NTSTATUS add_user_groups(auth_serversupplied_info **server_info, + SAM_ACCOUNT *sampass, + uid_t uid, gid_t gid) { - NTSTATUS nt_status = NT_STATUS_OK; + NTSTATUS nt_status; const DOM_SID *user_sid = pdb_get_user_sid(sampass); const DOM_SID *group_sid = pdb_get_group_sid(sampass); int n_groupSIDs = 0; @@ -759,14 +743,11 @@ NTSTATUS make_server_info_sam(auth_serversupplied_info **server_info, BOOL is_guest; uint32 rid; - if (!NT_STATUS_IS_OK(nt_status = make_server_info(server_info, sampass))) { - return nt_status; - } - - if (!NT_STATUS_IS_OK(nt_status - = get_user_groups_from_local_sam(sampass, - &n_groupSIDs, &groupSIDs, &unix_groups))) - { + nt_status = get_user_groups_from_local_sam(pdb_get_username(sampass), + uid, gid, + &n_groupSIDs, &groupSIDs, + &unix_groups); + if (!NT_STATUS_IS_OK(nt_status)) { DEBUG(4,("get_user_groups_from_local_sam failed\n")); free_server_info(server_info); return nt_status; @@ -789,11 +770,49 @@ NTSTATUS make_server_info_sam(auth_serversupplied_info **server_info, (*server_info)->n_groups = n_groupSIDs; (*server_info)->groups = unix_groups; - (*server_info)->ptok = token; + + return nt_status; +} + +/*************************************************************************** + Make (and fill) a user_info struct from a SAM_ACCOUNT +***************************************************************************/ + +NTSTATUS make_server_info_sam(auth_serversupplied_info **server_info, + SAM_ACCOUNT *sampass) +{ + NTSTATUS nt_status; + struct passwd *pwd; + + if (!NT_STATUS_IS_OK(nt_status = make_server_info(server_info))) + return nt_status; + + (*server_info)->sam_account = sampass; + + if ( !(pwd = getpwnam_alloc(pdb_get_username(sampass))) ) { + DEBUG(1, ("User %s in passdb, but getpwnam() fails!\n", + pdb_get_username(sampass))); + free_server_info(server_info); + return NT_STATUS_NO_SUCH_USER; + } + (*server_info)->unix_name = smb_xstrdup(pwd->pw_name); + (*server_info)->gid = pwd->pw_gid; + (*server_info)->uid = pwd->pw_uid; - DEBUG(5,("make_server_info_sam: made server info for user %s\n", - pdb_get_username((*server_info)->sam_account))); + passwd_free(&pwd); + + if (!NT_STATUS_IS_OK(nt_status = add_user_groups(server_info, sampass, + (*server_info)->uid, + (*server_info)->gid))) { + free_server_info(server_info); + return nt_status; + } + + (*server_info)->sam_fill_level = SAM_FILL_ALL; + DEBUG(5,("make_server_info_sam: made server info for user %s -> %s\n", + pdb_get_username(sampass), + (*server_info)->unix_name)); return nt_status; } @@ -810,7 +829,22 @@ NTSTATUS make_server_info_pw(auth_serversupplied_info **server_info, const struc if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_pw(&sampass, pwd))) { return nt_status; } - return make_server_info_sam(server_info, sampass); + if (!NT_STATUS_IS_OK(nt_status = make_server_info(server_info))) { + return nt_status; + } + + (*server_info)->sam_account = sampass; + + if (!NT_STATUS_IS_OK(nt_status = add_user_groups(server_info, sampass, pwd->pw_uid, pwd->pw_gid))) { + return nt_status; + } + + (*server_info)->unix_name = smb_xstrdup(pwd->pw_name); + + (*server_info)->sam_fill_level = SAM_FILL_ALL; + (*server_info)->uid = pwd->pw_uid; + (*server_info)->gid = pwd->pw_gid; + return nt_status; } /*************************************************************************** @@ -847,6 +881,43 @@ NTSTATUS make_server_info_guest(auth_serversupplied_info **server_info) } /*************************************************************************** + Purely internal function for make_server_info_info3 + Fill the sam account from getpwnam +***************************************************************************/ +static NTSTATUS fill_sam_account(TALLOC_CTX *mem_ctx, + const char *domain, + const char *username, + char **found_username, + uid_t *uid, gid_t *gid, + SAM_ACCOUNT **sam_account) +{ + fstring dom_user; + struct passwd *passwd; + + fstr_sprintf(dom_user, "%s%s%s", + domain, lp_winbind_separator(), username); + + passwd = Get_Pwnam(dom_user); + + /* if the lookup for DOMAIN\username failed, try again + with just 'username'. This is need for accessing the server + as a trust user that actually maps to a local account */ + + if ( !passwd ) + passwd = Get_Pwnam(username); + + if (passwd == NULL) + return NT_STATUS_NO_SUCH_USER; + + *uid = passwd->pw_uid; + *gid = passwd->pw_gid; + + *found_username = talloc_strdup(mem_ctx, passwd->pw_name); + + return pdb_init_sam_pw(sam_account, passwd); +} + +/*************************************************************************** Make a server_info struct from the info3 returned by a domain logon ***************************************************************************/ @@ -858,7 +929,7 @@ NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx, NET_USER_INFO_3 *info3) { NTSTATUS nt_status = NT_STATUS_OK; - + char *found_username; const char *nt_domain; const char *nt_username; @@ -866,10 +937,8 @@ NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx, DOM_SID user_sid; DOM_SID group_sid; - struct passwd *passwd; - - unid_t u_id, g_id; - int u_type, g_type; + uid_t uid; + gid_t gid; int n_lgroupSIDs; DOM_SID *lgroupSIDs = NULL; @@ -905,40 +974,20 @@ NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx, /* If the server didn't give us one, just use the one we sent them */ domain = domain; } - - u_type = ID_USERID; - g_type = ID_GROUPID; - if (NT_STATUS_IS_OK(idmap_get_id_from_sid(&u_id, &u_type, &user_sid)) - && NT_STATUS_IS_OK(idmap_get_id_from_sid(&g_id, &g_type, &group_sid)) - && ((passwd = getpwuid_alloc(u_id.uid)))) { - nt_status = pdb_init_sam_pw(&sam_account, passwd); - passwd_free(&passwd); - } else { - char *dom_user; - dom_user = talloc_asprintf(mem_ctx, "%s%s%s", - nt_domain, - lp_winbind_separator(), - internal_username); - - if (!dom_user) { - DEBUG(0, ("talloc_asprintf failed!\n")); - return NT_STATUS_NO_MEMORY; - } else { - - if (!(passwd = Get_Pwnam(dom_user)) - /* Only lookup local for the local - domain, we don't want this for - trusted domains */ - && strequal(nt_domain, lp_workgroup())) { - passwd = Get_Pwnam(internal_username); - } - - if (!passwd) { - return NT_STATUS_NO_SUCH_USER; - } else { - nt_status = pdb_init_sam_pw(&sam_account, passwd); - } - } + + /* try to fill the SAM account.. If getpwnam() fails, then try the + add user script (2.2.x behavior) */ + + nt_status = fill_sam_account(mem_ctx, nt_domain, internal_username, + &found_username, &uid, &gid, &sam_account); + + if (NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_SUCH_USER)) { + DEBUG(3,("User %s does not exist, trying to add it\n", + internal_username)); + auth_add_user_script(nt_domain, internal_username); + nt_status = fill_sam_account(mem_ctx, nt_domain, + internal_username, &found_username, + &uid, &gid, &sam_account); } if (!NT_STATUS_IS_OK(nt_status)) { @@ -946,17 +995,12 @@ NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx, return nt_status; } - if (!pdb_set_user_sid(sam_account, &user_sid, PDB_CHANGED)) { + if (!pdb_set_nt_username(sam_account, nt_username, PDB_CHANGED)) { pdb_free_sam(&sam_account); - return NT_STATUS_UNSUCCESSFUL; + return NT_STATUS_NO_MEMORY; } - if (!pdb_set_group_sid(sam_account, &group_sid, PDB_CHANGED)) { - pdb_free_sam(&sam_account); - return NT_STATUS_UNSUCCESSFUL; - } - - if (!pdb_set_nt_username(sam_account, nt_username, PDB_CHANGED)) { + if (!pdb_set_username(sam_account, nt_username, PDB_CHANGED)) { pdb_free_sam(&sam_account); return NT_STATUS_NO_MEMORY; } @@ -966,7 +1010,18 @@ NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx, return NT_STATUS_NO_MEMORY; } - if (!pdb_set_fullname(sam_account, unistr2_static(&(info3->uni_full_name)), PDB_CHANGED)) { + if (!pdb_set_user_sid(sam_account, &user_sid, PDB_CHANGED)) { + pdb_free_sam(&sam_account); + return NT_STATUS_UNSUCCESSFUL; + } + + if (!pdb_set_group_sid(sam_account, &group_sid, PDB_CHANGED)) { + pdb_free_sam(&sam_account); + return NT_STATUS_UNSUCCESSFUL; + } + + if (!pdb_set_fullname(sam_account, unistr2_static(&(info3->uni_full_name)), + PDB_CHANGED)) { pdb_free_sam(&sam_account); return NT_STATUS_NO_MEMORY; } @@ -991,20 +1046,31 @@ NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx, return NT_STATUS_NO_MEMORY; } - if (!NT_STATUS_IS_OK(nt_status = make_server_info(server_info, sam_account))) { + if (!NT_STATUS_IS_OK(nt_status = make_server_info(server_info))) { DEBUG(4, ("make_server_info failed!\n")); pdb_free_sam(&sam_account); return nt_status; } + /* save this here to _net_sam_logon() doesn't fail (it assumes a + valid SAM_ACCOUNT) */ + + (*server_info)->sam_account = sam_account; + + (*server_info)->unix_name = smb_xstrdup(found_username); + + /* Fill in the unix info we found on the way */ + + (*server_info)->sam_fill_level = SAM_FILL_ALL; + (*server_info)->uid = uid; + (*server_info)->gid = gid; + /* Store the user group information in the server_info returned to the caller. */ - if (!NT_STATUS_IS_OK(nt_status - = get_user_groups_from_local_sam(sam_account, - &n_lgroupSIDs, - &lgroupSIDs, - &unix_groups))) + nt_status = get_user_groups_from_local_sam((*server_info)->unix_name, + uid, gid, &n_lgroupSIDs, &lgroupSIDs, &unix_groups); + if ( !NT_STATUS_IS_OK(nt_status) ) { DEBUG(4,("get_user_groups_from_local_sam failed\n")); return nt_status; @@ -1018,8 +1084,9 @@ NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx, (n_lgroupSIDs + info3->num_groups2 + info3->num_other_sids)); if (!all_group_SIDs) { - DEBUG(0, ("create_nt_token_info3: malloc() failed for DOM_SID list!\n")); + DEBUG(0, ("malloc() failed for DOM_SID list!\n")); SAFE_FREE(lgroupSIDs); + free_server_info(server_info); return NT_STATUS_NO_MEMORY; } @@ -1032,9 +1099,10 @@ NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx, sid_copy(&all_group_SIDs[i+n_lgroupSIDs], &(info3->dom_sid.sid)); if (!sid_append_rid(&all_group_SIDs[i+n_lgroupSIDs], info3->gids[i].g_rid)) { nt_status = NT_STATUS_INVALID_PARAMETER; - DEBUG(3,("create_nt_token_info3: could not append additional group rid 0x%x\n", + DEBUG(3,("could not append additional group rid 0x%x\n", info3->gids[i].g_rid)); SAFE_FREE(lgroupSIDs); + free_server_info(server_info); return nt_status; } } @@ -1060,6 +1128,7 @@ NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx, all_group_SIDs, False, &token))) { DEBUG(4,("create_nt_user_token failed\n")); SAFE_FREE(all_group_SIDs); + free_server_info(server_info); return nt_status; } @@ -1111,6 +1180,7 @@ void free_server_info(auth_serversupplied_info **server_info) /* call pam_end here, unless we know we are keeping it */ delete_nt_token( &(*server_info)->ptok ); SAFE_FREE((*server_info)->groups); + SAFE_FREE((*server_info)->unix_name); ZERO_STRUCT(**server_info); } SAFE_FREE(*server_info); @@ -1208,4 +1278,52 @@ NTSTATUS nt_status_squash(NTSTATUS nt_status) } +/** + * Verify whether or not given domain is trusted. + * + * @param domain_name name of the domain to be verified + * @return true if domain is one of the trusted once or + * false if otherwise + **/ + +BOOL is_trusted_domain(const char* dom_name) +{ + DOM_SID trustdom_sid; + char *pass = NULL; + time_t lct; + BOOL ret; + + /* no trusted domains for a standalone server */ + + if ( lp_server_role() == ROLE_STANDALONE ) + return False; + + /* if we are a DC, then check for a direct trust relationships */ + + if (lp_server_role() == ROLE_DOMAIN_BDC || lp_server_role() == ROLE_DOMAIN_PDC) { + become_root(); + ret = secrets_fetch_trusted_domain_password(dom_name, &pass, &trustdom_sid, &lct); + unbecome_root(); + SAFE_FREE(pass); + if (ret) + return True; + } + else { + /* if winbindd is not up and we are a domain member) then we need to update the + trustdom_cache ourselves */ + + if ( !winbind_ping() ) + update_trustdom_cache(); + } + + /* now the trustdom cache should be available a DC could still + * have a transitive trust so fall back to the cache of trusted + * domains (like a domain member would use */ + + if ( trustdom_cache_fetch(dom_name, &trustdom_sid) ) { + return True; + } + + return False; +} diff --git a/source3/auth/auth_winbind.c b/source3/auth/auth_winbind.c index b8276b0866..aa8f345a5b 100644 --- a/source3/auth/auth_winbind.c +++ b/source3/auth/auth_winbind.c @@ -29,7 +29,7 @@ static NTSTATUS get_info3_from_ndr(TALLOC_CTX *mem_ctx, struct winbindd_response *response, NET_USER_INFO_3 *info3) { uint8 *info3_ndr; - size_t len = response->length - sizeof(response); + size_t len = response->length - sizeof(struct winbindd_response); prs_struct ps; if (len > 0) { info3_ndr = response->extra_data; @@ -72,15 +72,20 @@ static NTSTATUS check_winbind_security(const struct auth_context *auth_context, if (!auth_context) { DEBUG(3,("Password for user %s cannot be checked because we have no auth_info to get the challenge from.\n", user_info->internal_username.str)); - return NT_STATUS_UNSUCCESSFUL; + return NT_STATUS_INVALID_PARAMETER; } + if (strequal(user_info->domain.str, get_global_sam_name())) { + DEBUG(3,("check_winbind_security: Not using winbind, requested domain was for this SAM.\n")); + return NT_STATUS_NOT_IMPLEMENTED; + } + /* Send off request */ ZERO_STRUCT(request); ZERO_STRUCT(response); - request.data.auth_crap.flags = WINBIND_PAM_INFO3_NDR; + request.flags = WBFLAG_PAM_INFO3_NDR; push_utf8_fstring(request.data.auth_crap.user, user_info->smb_name.str); @@ -100,8 +105,11 @@ static NTSTATUS check_winbind_security(const struct auth_context *auth_context, request.data.auth_crap.lm_resp_len); memcpy(request.data.auth_crap.nt_resp, user_info->nt_resp.data, request.data.auth_crap.nt_resp_len); - + + /* we are contacting the privileged pipe */ + become_root(); result = winbindd_request(WINBINDD_PAM_AUTH_CRAP, &request, &response); + unbecome_root(); if ( result == NSS_STATUS_UNAVAIL ) { struct auth_methods *auth_method = my_private_data; @@ -129,14 +137,14 @@ static NTSTATUS check_winbind_security(const struct auth_context *auth_context, } } } else if (NT_STATUS_IS_OK(nt_status)) { - nt_status = NT_STATUS_UNSUCCESSFUL; + nt_status = NT_STATUS_NO_LOGON_SERVERS; } return nt_status; } /* module initialisation */ -NTSTATUS auth_init_winbind(struct auth_context *auth_context, const char *param, auth_methods **auth_method) +static NTSTATUS auth_init_winbind(struct auth_context *auth_context, const char *param, auth_methods **auth_method) { if (!make_auth_methods(auth_context, auth_method)) { return NT_STATUS_NO_MEMORY; diff --git a/source3/auth/pampass.c b/source3/auth/pampass.c index 045ceb7c72..d666e439b0 100644 --- a/source3/auth/pampass.c +++ b/source3/auth/pampass.c @@ -229,7 +229,7 @@ static struct chat_struct *make_pw_chat(char *p) special_char_sub(prompt); fstrcpy(t->prompt, prompt); - strlower(t->prompt); + strlower_m(t->prompt); trim_string(t->prompt, " ", " "); if (!next_token(&p, reply, NULL, sizeof(fstring))) @@ -240,7 +240,7 @@ static struct chat_struct *make_pw_chat(char *p) special_char_sub(reply); fstrcpy(t->reply, reply); - strlower(t->reply); + strlower_m(t->reply); trim_string(t->reply, " ", " "); } diff --git a/source3/auth/pass_check.c b/source3/auth/pass_check.c index 88b82e3474..1ac8c1815a 100644 --- a/source3/auth/pass_check.c +++ b/source3/auth/pass_check.c @@ -757,7 +757,7 @@ NTSTATUS pass_check(const struct passwd *pass, const char *user, const char *pas /* try all lowercase if it's currently all uppercase */ if (strhasupper(pass2)) { - strlower(pass2); + strlower_m(pass2); if NT_STATUS_IS_OK(nt_status = password_check(pass2)) { if (fn) fn(user, pass2); @@ -771,8 +771,7 @@ NTSTATUS pass_check(const struct passwd *pass, const char *user, const char *pas } /* last chance - all combinations of up to level chars upper! */ - strlower(pass2); - + strlower_m(pass2); if (NT_STATUS_IS_OK(nt_status = string_combinations(pass2, password_check, level))) { if (fn) |