Winbind status program.
- Copyright (C) Tim Potter 2000-2002
- Copyright (C) Andrew Bartlett <abartlet@samba.org> 2003
+ Copyright (C) Tim Potter 2000-2003
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2003-2004
Copyright (C) Francesco Chemolli <kinkie@kame.usr.dsi.unimi.it> 2000
+ Copyright (C) Robert O'Callahan 2006 (added cached credential code).
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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
*/
#include "includes.h"
+#include "utils/ntlm_auth.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_WINBIND
#define SQUID_BUFFER_SIZE 2010
-enum squid_mode {
+enum stdio_helper_mode {
SQUID_2_4_BASIC,
SQUID_2_5_BASIC,
SQUID_2_5_NTLMSSP,
+ NTLMSSP_CLIENT_1,
GSS_SPNEGO,
- GSS_SPNEGO_CLIENT
+ GSS_SPNEGO_CLIENT,
+ NTLM_SERVER_1,
+ NTLM_CHANGE_PASSWORD_1,
+ NUM_HELPER_MODES
+};
+
+typedef void (*stdio_helper_function)(enum stdio_helper_mode stdio_helper_mode,
+ char *buf, int length);
+
+static void manage_squid_basic_request (enum stdio_helper_mode stdio_helper_mode,
+ char *buf, int length);
+
+static void manage_squid_ntlmssp_request (enum stdio_helper_mode stdio_helper_mode,
+ char *buf, int length);
+
+static void manage_client_ntlmssp_request (enum stdio_helper_mode stdio_helper_mode,
+ char *buf, int length);
+
+static void manage_gss_spnego_request (enum stdio_helper_mode stdio_helper_mode,
+ char *buf, int length);
+
+static void manage_gss_spnego_client_request (enum stdio_helper_mode stdio_helper_mode,
+ char *buf, int length);
+
+static void manage_ntlm_server_1_request (enum stdio_helper_mode stdio_helper_mode,
+ char *buf, int length);
+
+static void manage_ntlm_change_password_1_request(enum stdio_helper_mode helper_mode, char *buf, int length);
+
+static const struct {
+ enum stdio_helper_mode mode;
+ const char *name;
+ stdio_helper_function fn;
+} stdio_helper_protocols[] = {
+ { SQUID_2_4_BASIC, "squid-2.4-basic", manage_squid_basic_request},
+ { SQUID_2_5_BASIC, "squid-2.5-basic", manage_squid_basic_request},
+ { SQUID_2_5_NTLMSSP, "squid-2.5-ntlmssp", manage_squid_ntlmssp_request},
+ { NTLMSSP_CLIENT_1, "ntlmssp-client-1", manage_client_ntlmssp_request},
+ { GSS_SPNEGO, "gss-spnego", manage_gss_spnego_request},
+ { GSS_SPNEGO_CLIENT, "gss-spnego-client", manage_gss_spnego_client_request},
+ { NTLM_SERVER_1, "ntlm-server-1", manage_ntlm_server_1_request},
+ { NTLM_CHANGE_PASSWORD_1, "ntlm-change-password-1", manage_ntlm_change_password_1_request},
+ { NUM_HELPER_MODES, NULL, NULL}
};
-
extern int winbindd_fd;
-static const char *opt_username;
-static const char *opt_domain;
-static const char *opt_workstation;
-static const char *opt_password;
+const char *opt_username;
+const char *opt_domain;
+const char *opt_workstation;
+const char *opt_password;
static DATA_BLOB opt_challenge;
static DATA_BLOB opt_lm_response;
static DATA_BLOB opt_nt_response;
static int request_lm_key;
-static int request_nt_key;
+static int request_user_session_key;
+static int use_cached_creds;
+static const char *require_membership_of;
+static const char *require_membership_of_sid;
static char winbind_separator(void)
{
/* Send off request */
- if (winbindd_request(WINBINDD_INFO, NULL, &response) !=
+ if (winbindd_request_response(WINBINDD_INFO, NULL, &response) !=
NSS_STATUS_SUCCESS) {
d_printf("could not obtain winbind separator!\n");
- return '\\';
+ return *lp_winbind_separator();
}
sep = response.data.info.winbind_separator;
if (!sep) {
d_printf("winbind separator was NULL!\n");
- return '\\';
+ return *lp_winbind_separator();
}
return sep;
}
-static const char *get_winbind_domain(void)
+const char *get_winbind_domain(void)
{
struct winbindd_response response;
/* Send off request */
- if (winbindd_request(WINBINDD_DOMAIN_NAME, NULL, &response) !=
+ if (winbindd_request_response(WINBINDD_DOMAIN_NAME, NULL, &response) !=
NSS_STATUS_SUCCESS) {
- d_printf("could not obtain winbind domain name!\n");
- return NULL;
+ DEBUG(0, ("could not obtain winbind domain name!\n"));
+ return lp_workgroup();
}
fstrcpy(winbind_domain, response.data.domain_name);
}
-static const char *get_winbind_netbios_name(void)
+const char *get_winbind_netbios_name(void)
{
struct winbindd_response response;
/* Send off request */
- if (winbindd_request(WINBINDD_NETBIOS_NAME, NULL, &response) !=
+ if (winbindd_request_response(WINBINDD_NETBIOS_NAME, NULL, &response) !=
NSS_STATUS_SUCCESS) {
- d_printf("could not obtain winbind netbios name!\n");
- return NULL;
+ DEBUG(0, ("could not obtain winbind netbios name!\n"));
+ return global_myname();
}
fstrcpy(winbind_netbios_name, response.data.netbios_name);
}
+DATA_BLOB get_challenge(void)
+{
+ static DATA_BLOB chal;
+ if (opt_challenge.length)
+ return opt_challenge;
+
+ chal = data_blob(NULL, 8);
+
+ generate_random_buffer(chal.data, chal.length);
+ return chal;
+}
+
+/* Copy of parse_domain_user from winbindd_util.c. Parse a string of the
+ form DOMAIN/user into a domain and a user */
+
+static BOOL parse_ntlm_auth_domain_user(const char *domuser, fstring domain,
+ fstring user)
+{
+
+ char *p = strchr(domuser,winbind_separator());
+
+ if (!p) {
+ return False;
+ }
+
+ fstrcpy(user, p+1);
+ fstrcpy(domain, domuser);
+ domain[PTR_DIFF(p, domuser)] = 0;
+ strupper_m(domain);
+
+ return True;
+}
+
+static BOOL get_require_membership_sid(void) {
+ struct winbindd_request request;
+ struct winbindd_response response;
+
+ if (!require_membership_of) {
+ return True;
+ }
+
+ if (require_membership_of_sid) {
+ return True;
+ }
+
+ /* Otherwise, ask winbindd for the name->sid request */
+
+ ZERO_STRUCT(request);
+ ZERO_STRUCT(response);
+
+ if (!parse_ntlm_auth_domain_user(require_membership_of,
+ request.data.name.dom_name,
+ request.data.name.name)) {
+ DEBUG(0, ("Could not parse %s into seperate domain/name parts!\n",
+ require_membership_of));
+ return False;
+ }
+
+ if (winbindd_request_response(WINBINDD_LOOKUPNAME, &request, &response) !=
+ NSS_STATUS_SUCCESS) {
+ DEBUG(0, ("Winbindd lookupname failed to resolve %s into a SID!\n",
+ require_membership_of));
+ return False;
+ }
+
+ require_membership_of_sid = SMB_STRDUP(response.data.sid.sid);
+
+ if (require_membership_of_sid)
+ return True;
+
+ return False;
+}
/* Authenticate a user with a plaintext password */
-static BOOL check_plaintext_auth(const char *user, const char *pass, BOOL stdout_diagnostics)
+static BOOL check_plaintext_auth(const char *user, const char *pass,
+ BOOL stdout_diagnostics)
{
struct winbindd_request request;
struct winbindd_response response;
NSS_STATUS result;
+ if (!get_require_membership_sid()) {
+ return False;
+ }
+
/* Send off request */
ZERO_STRUCT(request);
fstrcpy(request.data.auth.user, user);
fstrcpy(request.data.auth.pass, pass);
+ if (require_membership_of_sid)
+ pstrcpy(request.data.auth.require_membership_of_sid, require_membership_of_sid);
- result = winbindd_request(WINBINDD_PAM_AUTH, &request, &response);
+ result = winbindd_request_response(WINBINDD_PAM_AUTH, &request, &response);
/* Display response */
/* authenticate a user with an encrypted username/password */
-static NTSTATUS contact_winbind_auth_crap(const char *username,
- const char *domain,
- const char *workstation,
- const DATA_BLOB *challenge,
- const DATA_BLOB *lm_response,
- const DATA_BLOB *nt_response,
- uint32 flags,
- uint8 lm_key[8],
- uint8 nt_key[16],
- char **error_string)
+NTSTATUS contact_winbind_auth_crap(const char *username,
+ const char *domain,
+ const char *workstation,
+ const DATA_BLOB *challenge,
+ const DATA_BLOB *lm_response,
+ const DATA_BLOB *nt_response,
+ uint32 flags,
+ uint8 lm_key[8],
+ uint8 user_session_key[16],
+ char **error_string,
+ char **unix_name)
{
NTSTATUS nt_status;
NSS_STATUS result;
struct winbindd_request request;
struct winbindd_response response;
- static uint8 zeros[16];
+ if (!get_require_membership_sid()) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
ZERO_STRUCT(request);
ZERO_STRUCT(response);
request.flags = flags;
- if (push_utf8_fstring(request.data.auth_crap.user, username) == -1) {
- *error_string = smb_xstrdup(
- "unable to create utf8 string for username");
- return NT_STATUS_UNSUCCESSFUL;
- }
+ request.data.auth_crap.logon_parameters = MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT | MSV1_0_ALLOW_SERVER_TRUST_ACCOUNT;
- if (push_utf8_fstring(request.data.auth_crap.domain, domain) == -1) {
- *error_string = smb_xstrdup(
- "unable to create utf8 string for domain");
- return NT_STATUS_UNSUCCESSFUL;
- }
+ if (require_membership_of_sid)
+ fstrcpy(request.data.auth_crap.require_membership_of_sid, require_membership_of_sid);
- if (push_utf8_fstring(request.data.auth_crap.workstation,
- workstation) == -1) {
- *error_string = smb_xstrdup(
- "unable to create utf8 string for workstation");
- return NT_STATUS_UNSUCCESSFUL;
- }
+ fstrcpy(request.data.auth_crap.user, username);
+ fstrcpy(request.data.auth_crap.domain, domain);
+
+ fstrcpy(request.data.auth_crap.workstation,
+ workstation);
memcpy(request.data.auth_crap.chal, challenge->data, MIN(challenge->length, 8));
if (lm_response && lm_response->length) {
- memcpy(request.data.auth_crap.lm_resp, lm_response->data, MIN(lm_response->length, sizeof(request.data.auth_crap.lm_resp)));
+ memcpy(request.data.auth_crap.lm_resp,
+ lm_response->data,
+ MIN(lm_response->length, sizeof(request.data.auth_crap.lm_resp)));
request.data.auth_crap.lm_resp_len = lm_response->length;
}
if (nt_response && nt_response->length) {
- memcpy(request.data.auth_crap.nt_resp, nt_response->data, MIN(nt_response->length, sizeof(request.data.auth_crap.nt_resp)));
+ memcpy(request.data.auth_crap.nt_resp,
+ nt_response->data,
+ MIN(nt_response->length, sizeof(request.data.auth_crap.nt_resp)));
request.data.auth_crap.nt_resp_len = nt_response->length;
}
- result = winbindd_request(WINBINDD_PAM_AUTH_CRAP, &request, &response);
+ result = winbindd_request_response(WINBINDD_PAM_AUTH_CRAP, &request, &response);
/* Display response */
nt_status = NT_STATUS_UNSUCCESSFUL;
if (error_string)
*error_string = smb_xstrdup("Reading winbind reply failed!");
+ free_response(&response);
return nt_status;
}
if (!NT_STATUS_IS_OK(nt_status)) {
if (error_string)
*error_string = smb_xstrdup(response.data.auth.error_string);
+ free_response(&response);
return nt_status;
}
- if ((flags & WBFLAG_PAM_LMKEY) && lm_key
- && (memcmp(zeros, response.data.auth.first_8_lm_hash,
- sizeof(response.data.auth.first_8_lm_hash)) != 0)) {
+ if ((flags & WBFLAG_PAM_LMKEY) && lm_key) {
memcpy(lm_key, response.data.auth.first_8_lm_hash,
- sizeof(response.data.auth.first_8_lm_hash));
+ sizeof(response.data.auth.first_8_lm_hash));
+ }
+ if ((flags & WBFLAG_PAM_USER_SESSION_KEY) && user_session_key) {
+ memcpy(user_session_key, response.data.auth.user_session_key,
+ sizeof(response.data.auth.user_session_key));
}
- if ((flags & WBFLAG_PAM_NTKEY) && nt_key
- && (memcmp(zeros, response.data.auth.nt_session_key,
- sizeof(response.data.auth.nt_session_key)) != 0)) {
- memcpy(nt_key, response.data.auth.nt_session_key,
- sizeof(response.data.auth.nt_session_key));
+
+ if (flags & WBFLAG_PAM_UNIX_NAME) {
+ *unix_name = SMB_STRDUP((char *)response.extra_data.data);
+ if (!*unix_name) {
+ free_response(&response);
+ return NT_STATUS_NO_MEMORY;
+ }
}
+
+ free_response(&response);
return nt_status;
}
-
-static NTSTATUS winbind_pw_check(struct ntlmssp_state *ntlmssp_state)
-{
- return contact_winbind_auth_crap(ntlmssp_state->user, ntlmssp_state->domain,
- ntlmssp_state->workstation,
- &ntlmssp_state->chal,
- &ntlmssp_state->lm_resp,
- &ntlmssp_state->nt_resp,
- 0,
- NULL,
- NULL,
- NULL);
-}
-static void manage_squid_ntlmssp_request(enum squid_mode squid_mode,
- char *buf, int length)
+/* contact server to change user password using auth crap */
+static NTSTATUS contact_winbind_change_pswd_auth_crap(const char *username,
+ const char *domain,
+ const DATA_BLOB new_nt_pswd,
+ const DATA_BLOB old_nt_hash_enc,
+ const DATA_BLOB new_lm_pswd,
+ const DATA_BLOB old_lm_hash_enc,
+ char **error_string)
{
- static NTLMSSP_STATE *ntlmssp_state = NULL;
- DATA_BLOB request, reply;
NTSTATUS nt_status;
+ NSS_STATUS result;
+ struct winbindd_request request;
+ struct winbindd_response response;
- if (strlen(buf) < 2) {
- DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
- x_fprintf(x_stdout, "BH\n");
- return;
+ if (!get_require_membership_sid())
+ {
+ if(error_string)
+ *error_string = smb_xstrdup("Can't get membership sid.");
+ return NT_STATUS_INVALID_PARAMETER;
}
- if (strlen(buf) > 3) {
- request = base64_decode_data_blob(buf + 3);
- } else if (strcmp(buf, "YR") == 0) {
- request = data_blob(NULL, 0);
- if (ntlmssp_state)
- ntlmssp_server_end(&ntlmssp_state);
- } else {
- DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
- x_fprintf(x_stdout, "BH\n");
- return;
+ ZERO_STRUCT(request);
+ ZERO_STRUCT(response);
+
+ if(username != NULL)
+ fstrcpy(request.data.chng_pswd_auth_crap.user, username);
+ if(domain != NULL)
+ fstrcpy(request.data.chng_pswd_auth_crap.domain,domain);
+
+ if(new_nt_pswd.length)
+ {
+ memcpy(request.data.chng_pswd_auth_crap.new_nt_pswd, new_nt_pswd.data, sizeof(request.data.chng_pswd_auth_crap.new_nt_pswd));
+ request.data.chng_pswd_auth_crap.new_nt_pswd_len = new_nt_pswd.length;
}
- if (!ntlmssp_state) {
- ntlmssp_server_start(&ntlmssp_state);
- ntlmssp_state->check_password = winbind_pw_check;
- ntlmssp_state->get_domain = get_winbind_domain;
- ntlmssp_state->get_global_myname = get_winbind_netbios_name;
+ if(old_nt_hash_enc.length)
+ {
+ memcpy(request.data.chng_pswd_auth_crap.old_nt_hash_enc, old_nt_hash_enc.data, sizeof(request.data.chng_pswd_auth_crap.old_nt_hash_enc));
+ request.data.chng_pswd_auth_crap.old_nt_hash_enc_len = old_nt_hash_enc.length;
}
- DEBUG(10, ("got NTLMSSP packet:\n"));
- dump_data(10, request.data, request.length);
+ if(new_lm_pswd.length)
+ {
+ memcpy(request.data.chng_pswd_auth_crap.new_lm_pswd, new_lm_pswd.data, sizeof(request.data.chng_pswd_auth_crap.new_lm_pswd));
+ request.data.chng_pswd_auth_crap.new_lm_pswd_len = new_lm_pswd.length;
+ }
- nt_status = ntlmssp_server_update(ntlmssp_state, request, &reply);
+ if(old_lm_hash_enc.length)
+ {
+ memcpy(request.data.chng_pswd_auth_crap.old_lm_hash_enc, old_lm_hash_enc.data, sizeof(request.data.chng_pswd_auth_crap.old_lm_hash_enc));
+ request.data.chng_pswd_auth_crap.old_lm_hash_enc_len = old_lm_hash_enc.length;
+ }
- if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
- char *reply_base64 = base64_encode_data_blob(reply);
- x_fprintf(x_stdout, "TT %s\n", reply_base64);
- SAFE_FREE(reply_base64);
- data_blob_free(&reply);
- DEBUG(10, ("NTLMSSP challenge\n"));
- } else if (!NT_STATUS_IS_OK(nt_status)) {
- x_fprintf(x_stdout, "NA %s\n", nt_errstr(nt_status));
- DEBUG(10, ("NTLMSSP %s\n", nt_errstr(nt_status)));
- } else {
- x_fprintf(x_stdout, "AF %s\\%s\n", ntlmssp_state->domain, ntlmssp_state->user);
- DEBUG(10, ("NTLMSSP OK!\n"));
+ result = winbindd_request_response(WINBINDD_PAM_CHNG_PSWD_AUTH_CRAP, &request, &response);
+
+ /* Display response */
+
+ if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0))
+ {
+ nt_status = NT_STATUS_UNSUCCESSFUL;
+ if (error_string)
+ *error_string = smb_xstrdup("Reading winbind reply failed!");
+ free_response(&response);
+ return nt_status;
+ }
+
+ nt_status = (NT_STATUS(response.data.auth.nt_status));
+ if (!NT_STATUS_IS_OK(nt_status))
+ {
+ if (error_string)
+ *error_string = smb_xstrdup(response.data.auth.error_string);
+ free_response(&response);
+ return nt_status;
}
- data_blob_free(&request);
+ free_response(&response);
+
+ return nt_status;
}
-static void manage_squid_basic_request(enum squid_mode squid_mode,
- char *buf, int length)
+static NTSTATUS winbind_pw_check(struct ntlmssp_state *ntlmssp_state, DATA_BLOB *user_session_key, DATA_BLOB *lm_session_key)
{
- char *user, *pass;
- user=buf;
-
- pass=memchr(buf,' ',length);
- if (!pass) {
- DEBUG(2, ("Password not found. Denying access\n"));
- x_fprintf(x_stderr, "ERR\n");
- return;
+ static const char zeros[16] = { 0, };
+ NTSTATUS nt_status;
+ char *error_string;
+ uint8 lm_key[8];
+ uint8 user_sess_key[16];
+ char *unix_name;
+
+ nt_status = contact_winbind_auth_crap(ntlmssp_state->user, ntlmssp_state->domain,
+ ntlmssp_state->workstation,
+ &ntlmssp_state->chal,
+ &ntlmssp_state->lm_resp,
+ &ntlmssp_state->nt_resp,
+ WBFLAG_PAM_LMKEY | WBFLAG_PAM_USER_SESSION_KEY | WBFLAG_PAM_UNIX_NAME,
+ lm_key, user_sess_key,
+ &error_string, &unix_name);
+
+ if (NT_STATUS_IS_OK(nt_status)) {
+ if (memcmp(lm_key, zeros, 8) != 0) {
+ *lm_session_key = data_blob(NULL, 16);
+ memcpy(lm_session_key->data, lm_key, 8);
+ memset(lm_session_key->data+8, '\0', 8);
+ }
+
+ if (memcmp(user_sess_key, zeros, 16) != 0) {
+ *user_session_key = data_blob(user_sess_key, 16);
+ }
+ ntlmssp_state->auth_context = talloc_strdup(ntlmssp_state->mem_ctx, unix_name);
+ SAFE_FREE(unix_name);
+ } else {
+ DEBUG(NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED) ? 0 : 3,
+ ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
+ ntlmssp_state->domain, ntlmssp_state->user,
+ ntlmssp_state->workstation,
+ error_string ? error_string : "unknown error (NULL)"));
+ ntlmssp_state->auth_context = NULL;
}
- *pass='\0';
- pass++;
+ return nt_status;
+}
+
+static NTSTATUS local_pw_check(struct ntlmssp_state *ntlmssp_state, DATA_BLOB *user_session_key, DATA_BLOB *lm_session_key)
+{
+ NTSTATUS nt_status;
+ uint8 lm_pw[16], nt_pw[16];
+
+ nt_lm_owf_gen (opt_password, nt_pw, lm_pw);
- if (squid_mode == SQUID_2_5_BASIC) {
- rfc1738_unescape(user);
- rfc1738_unescape(pass);
- }
+ nt_status = ntlm_password_check(ntlmssp_state->mem_ctx,
+ &ntlmssp_state->chal,
+ &ntlmssp_state->lm_resp,
+ &ntlmssp_state->nt_resp,
+ NULL, NULL,
+ ntlmssp_state->user,
+ ntlmssp_state->user,
+ ntlmssp_state->domain,
+ lm_pw, nt_pw, user_session_key, lm_session_key);
- if (check_plaintext_auth(user, pass, False)) {
- x_fprintf(x_stdout, "OK\n");
+ if (NT_STATUS_IS_OK(nt_status)) {
+ ntlmssp_state->auth_context = talloc_asprintf(ntlmssp_state->mem_ctx,
+ "%s%c%s", ntlmssp_state->domain,
+ *lp_winbind_separator(),
+ ntlmssp_state->user);
} else {
- x_fprintf(x_stdout, "ERR\n");
+ DEBUG(3, ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
+ ntlmssp_state->domain, ntlmssp_state->user, ntlmssp_state->workstation,
+ nt_errstr(nt_status)));
+ ntlmssp_state->auth_context = NULL;
}
+ return nt_status;
}
-static void offer_gss_spnego_mechs(void) {
+static NTSTATUS ntlm_auth_start_ntlmssp_client(NTLMSSP_STATE **client_ntlmssp_state)
+{
+ NTSTATUS status;
+ if ( (opt_username == NULL) || (opt_domain == NULL) ) {
+ status = NT_STATUS_UNSUCCESSFUL;
+ DEBUG(1, ("Need username and domain for NTLMSSP\n"));
+ return NT_STATUS_INVALID_PARAMETER;
+ }
- DATA_BLOB token;
- ASN1_DATA asn1;
- SPNEGO_DATA spnego;
- ssize_t len;
- char *reply_base64;
+ status = ntlmssp_client_start(client_ntlmssp_state);
- ZERO_STRUCT(spnego);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("Could not start NTLMSSP client: %s\n",
+ nt_errstr(status)));
+ ntlmssp_end(client_ntlmssp_state);
+ return status;
+ }
- /* Server negTokenInit (mech offerings) */
- spnego.type = SPNEGO_NEG_TOKEN_INIT;
- spnego.negTokenInit.mechTypes = smb_xmalloc(sizeof(char *) * 2);
- spnego.negTokenInit.mechTypes[0] = smb_xstrdup(OID_NTLMSSP);
- spnego.negTokenInit.mechTypes[1] = NULL;
+ status = ntlmssp_set_username(*client_ntlmssp_state, opt_username);
- ZERO_STRUCT(asn1);
- asn1_push_tag(&asn1, ASN1_SEQUENCE(0));
- asn1_push_tag(&asn1, ASN1_CONTEXT(0));
- asn1_write_GeneralString(&asn1, "NONE");
- asn1_pop_tag(&asn1);
- asn1_pop_tag(&asn1);
- spnego.negTokenInit.mechListMIC = data_blob(asn1.data, asn1.length);
- asn1_free(&asn1);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("Could not set username: %s\n",
+ nt_errstr(status)));
+ ntlmssp_end(client_ntlmssp_state);
+ return status;
+ }
- len = write_spnego_data(&token, &spnego);
- free_spnego_data(&spnego);
+ status = ntlmssp_set_domain(*client_ntlmssp_state, opt_domain);
- if (len == -1) {
- DEBUG(1, ("Could not write SPNEGO data blob\n"));
- x_fprintf(x_stdout, "BH\n");
- return;
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("Could not set domain: %s\n",
+ nt_errstr(status)));
+ ntlmssp_end(client_ntlmssp_state);
+ return status;
}
- reply_base64 = base64_encode_data_blob(token);
- x_fprintf(x_stdout, "TT %s *\n", reply_base64);
+ if (opt_password) {
+ status = ntlmssp_set_password(*client_ntlmssp_state, opt_password);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("Could not set password: %s\n",
+ nt_errstr(status)));
+ ntlmssp_end(client_ntlmssp_state);
+ return status;
+ }
+ }
- SAFE_FREE(reply_base64);
- data_blob_free(&token);
- DEBUG(10, ("sent SPNEGO negTokenInit\n"));
- return;
+ return NT_STATUS_OK;
}
-static void manage_gss_spnego_request(enum squid_mode squid_mode,
- char *buf, int length)
+static NTSTATUS ntlm_auth_start_ntlmssp_server(NTLMSSP_STATE **ntlmssp_state)
{
- static NTLMSSP_STATE *ntlmssp_state = NULL;
- SPNEGO_DATA request, response;
- DATA_BLOB token;
- NTSTATUS status;
- ssize_t len;
-
- char *user = NULL;
- char *domain = NULL;
+ NTSTATUS status = ntlmssp_server_start(ntlmssp_state);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("Could not start NTLMSSP server: %s\n",
+ nt_errstr(status)));
+ return status;
+ }
- const char *reply_code;
- char *reply_base64;
- pstring reply_argument;
+ /* Have we been given a local password, or should we ask winbind? */
+ if (opt_password) {
+ (*ntlmssp_state)->check_password = local_pw_check;
+ (*ntlmssp_state)->get_domain = lp_workgroup;
+ (*ntlmssp_state)->get_global_myname = global_myname;
+ } else {
+ (*ntlmssp_state)->check_password = winbind_pw_check;
+ (*ntlmssp_state)->get_domain = get_winbind_domain;
+ (*ntlmssp_state)->get_global_myname = get_winbind_netbios_name;
+ }
+ return NT_STATUS_OK;
+}
- if (strlen(buf) < 2) {
+/*******************************************************************
+ Used by firefox to drive NTLM auth to IIS servers.
+*******************************************************************/
- if (ntlmssp_state != NULL) {
- DEBUG(1, ("Request for initial SPNEGO request where "
- "we already have a state\n"));
- x_fprintf(x_stdout, "BH\n");
- return;
+static NTSTATUS do_ccache_ntlm_auth(DATA_BLOB initial_msg, DATA_BLOB challenge_msg,
+ DATA_BLOB *reply)
+{
+ struct winbindd_request wb_request;
+ struct winbindd_response wb_response;
+ NSS_STATUS result;
+
+ /* get winbindd to do the ntlmssp step on our behalf */
+ ZERO_STRUCT(wb_request);
+ ZERO_STRUCT(wb_response);
+
+ fstr_sprintf(wb_request.data.ccache_ntlm_auth.user,
+ "%s%c%s", opt_domain, winbind_separator(), opt_username);
+ wb_request.data.ccache_ntlm_auth.uid = geteuid();
+ wb_request.data.ccache_ntlm_auth.initial_blob_len = initial_msg.length;
+ wb_request.data.ccache_ntlm_auth.challenge_blob_len = challenge_msg.length;
+ wb_request.extra_len = initial_msg.length + challenge_msg.length;
+
+ if (wb_request.extra_len > 0) {
+ wb_request.extra_data.data = SMB_MALLOC_ARRAY(char, wb_request.extra_len);
+ if (wb_request.extra_data.data == NULL) {
+ return NT_STATUS_NO_MEMORY;
}
- DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
- x_fprintf(x_stdout, "BH\n");
- return;
+ memcpy(wb_request.extra_data.data, initial_msg.data, initial_msg.length);
+ memcpy(wb_request.extra_data.data + initial_msg.length,
+ challenge_msg.data, challenge_msg.length);
}
- if ( (strlen(buf) == 2) && (strcmp(buf, "YR") == 0) ) {
+ result = winbindd_request_response(WINBINDD_CCACHE_NTLMAUTH, &wb_request, &wb_response);
+ SAFE_FREE(wb_request.extra_data.data);
- /* Initial request, get the negTokenInit offering
- mechanisms */
+ if (result != NSS_STATUS_SUCCESS) {
+ free_response(&wb_response);
+ return NT_STATUS_UNSUCCESSFUL;
+ }
- offer_gss_spnego_mechs();
- return;
+ if (reply) {
+ *reply = data_blob(wb_response.extra_data.data,
+ wb_response.data.ccache_ntlm_auth.auth_blob_len);
+ if (wb_response.data.ccache_ntlm_auth.auth_blob_len > 0 &&
+ reply->data == NULL) {
+ free_response(&wb_response);
+ return NT_STATUS_NO_MEMORY;
+ }
}
- /* All subsequent requests are "KK" (Knock, Knock ;)) and have
- a blob. This might be negTokenInit or negTokenTarg */
+ free_response(&wb_response);
+ return NT_STATUS_MORE_PROCESSING_REQUIRED;
+}
- if ( (strlen(buf) <= 3) || (strncmp(buf, "KK", 2) != 0) ) {
- DEBUG(1, ("GSS-SPNEGO query [%s] invalid\n", buf));
+static void manage_squid_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode,
+ char *buf, int length)
+{
+ static NTLMSSP_STATE *ntlmssp_state = NULL;
+ static char* want_feature_list = NULL;
+ static uint32 neg_flags = 0;
+ static BOOL have_session_key = False;
+ static DATA_BLOB session_key;
+ DATA_BLOB request, reply;
+ NTSTATUS nt_status;
+
+ if (strlen(buf) < 2) {
+ DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
x_fprintf(x_stdout, "BH\n");
return;
}
- token = base64_decode_data_blob(buf + 3);
- len = read_spnego_data(token, &request);
- data_blob_free(&token);
-
- if (len == -1) {
- DEBUG(1, ("GSS-SPNEGO query [%s] invalid", buf));
- x_fprintf(x_stdout, "BH\n");
- return;
+ if (strlen(buf) > 3) {
+ if(strncmp(buf, "SF ", 3) == 0){
+ DEBUG(10, ("Setting flags to negotioate\n"));
+ SAFE_FREE(want_feature_list);
+ want_feature_list = SMB_STRNDUP(buf+3, strlen(buf)-3);
+ x_fprintf(x_stdout, "OK\n");
+ return;
+ }
+ request = base64_decode_data_blob(buf + 3);
+ } else {
+ request = data_blob_null;
}
- if (request.type == SPNEGO_NEG_TOKEN_INIT) {
+ if ((strncmp(buf, "PW ", 3) == 0)) {
+ /* The calling application wants us to use a local password (rather than winbindd) */
- /* Second request from Client. This is where the
- client offers its mechanism to use. We currently
- only support NTLMSSP, the decision for Kerberos
- would be taken here. */
+ opt_password = SMB_STRNDUP((const char *)request.data, request.length);
- if ( (request.negTokenInit.mechTypes == NULL) ||
- (request.negTokenInit.mechTypes[0] == NULL) ) {
- DEBUG(1, ("Client did not offer any mechanism"));
+ if (opt_password == NULL) {
+ DEBUG(1, ("Out of memory\n"));
+ x_fprintf(x_stdout, "BH\n");
+ data_blob_free(&request);
+ return;
+ }
+
+ x_fprintf(x_stdout, "OK\n");
+ data_blob_free(&request);
+ return;
+ }
+
+ if (strncmp(buf, "YR", 2) == 0) {
+ if (ntlmssp_state)
+ ntlmssp_end(&ntlmssp_state);
+ } else if (strncmp(buf, "KK", 2) == 0) {
+
+ } else if (strncmp(buf, "GF", 2) == 0) {
+ DEBUG(10, ("Requested negotiated NTLMSSP flags\n"));
+ x_fprintf(x_stdout, "GF 0x%08lx\n", have_session_key?neg_flags:0l);
+ data_blob_free(&request);
+ return;
+ } else if (strncmp(buf, "GK", 2) == 0) {
+ DEBUG(10, ("Requested NTLMSSP session key\n"));
+ if(have_session_key) {
+ char *key64 = base64_encode_data_blob(session_key);
+ x_fprintf(x_stdout, "GK %s\n", key64?key64:"<NULL>");
+ SAFE_FREE(key64);
+ } else {
+ x_fprintf(x_stdout, "BH\n");
+ }
+
+ data_blob_free(&request);
+ return;
+ } else {
+ DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
+ x_fprintf(x_stdout, "BH\n");
+ return;
+ }
+
+ if (!ntlmssp_state) {
+ if (!NT_STATUS_IS_OK(nt_status = ntlm_auth_start_ntlmssp_server(&ntlmssp_state))) {
+ x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
+ return;
+ }
+ ntlmssp_want_feature_list(ntlmssp_state, want_feature_list);
+ }
+
+ DEBUG(10, ("got NTLMSSP packet:\n"));
+ dump_data(10, request.data, request.length);
+
+ nt_status = ntlmssp_update(ntlmssp_state, request, &reply);
+
+ if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+ char *reply_base64 = base64_encode_data_blob(reply);
+ x_fprintf(x_stdout, "TT %s\n", reply_base64);
+ SAFE_FREE(reply_base64);
+ data_blob_free(&reply);
+ DEBUG(10, ("NTLMSSP challenge\n"));
+ } else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED)) {
+ x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
+ DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status)));
+
+ ntlmssp_end(&ntlmssp_state);
+ } else if (!NT_STATUS_IS_OK(nt_status)) {
+ x_fprintf(x_stdout, "NA %s\n", nt_errstr(nt_status));
+ DEBUG(10, ("NTLMSSP %s\n", nt_errstr(nt_status)));
+ } else {
+ x_fprintf(x_stdout, "AF %s\n", (char *)ntlmssp_state->auth_context);
+ DEBUG(10, ("NTLMSSP OK!\n"));
+
+ if(have_session_key)
+ data_blob_free(&session_key);
+ session_key = data_blob(ntlmssp_state->session_key.data,
+ ntlmssp_state->session_key.length);
+ neg_flags = ntlmssp_state->neg_flags;
+ have_session_key = True;
+ }
+
+ data_blob_free(&request);
+}
+
+static void manage_client_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode,
+ char *buf, int length)
+{
+ /* The statics here are *HORRIBLE* and this entire concept
+ needs to be rewritten. Essentially it's using these statics
+ as the state in a state machine. BLEEEGH ! JRA. */
+
+ static NTLMSSP_STATE *ntlmssp_state = NULL;
+ static DATA_BLOB initial_message;
+ static char* want_feature_list = NULL;
+ static uint32 neg_flags = 0;
+ static BOOL have_session_key = False;
+ static DATA_BLOB session_key;
+ DATA_BLOB request, reply;
+ NTSTATUS nt_status;
+ BOOL first = False;
+
+ if (!opt_username || !*opt_username) {
+ x_fprintf(x_stderr, "username must be specified!\n\n");
+ exit(1);
+ }
+
+ if (strlen(buf) < 2) {
+ DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
+ x_fprintf(x_stdout, "BH\n");
+ return;
+ }
+
+ if (strlen(buf) > 3) {
+ if(strncmp(buf, "SF ", 3) == 0) {
+ DEBUG(10, ("Looking for flags to negotiate\n"));
+ SAFE_FREE(want_feature_list);
+ want_feature_list = SMB_STRNDUP(buf+3, strlen(buf)-3);
+ x_fprintf(x_stdout, "OK\n");
+ return;
+ }
+ request = base64_decode_data_blob(buf + 3);
+ } else {
+ request = data_blob_null;
+ }
+
+ if (strncmp(buf, "PW ", 3) == 0) {
+ /* We asked for a password and obviously got it :-) */
+
+ opt_password = SMB_STRNDUP((const char *)request.data, request.length);
+
+ if (opt_password == NULL) {
+ DEBUG(1, ("Out of memory\n"));
+ x_fprintf(x_stdout, "BH\n");
+ data_blob_free(&request);
+ return;
+ }
+
+ x_fprintf(x_stdout, "OK\n");
+ data_blob_free(&request);
+ return;
+ }
+
+ if (!ntlmssp_state && use_cached_creds) {
+ /* check whether credentials are usable. */
+ DATA_BLOB empty_blob = data_blob_null;
+
+ nt_status = do_ccache_ntlm_auth(empty_blob, empty_blob, NULL);
+ if (!NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+ /* failed to use cached creds */
+ use_cached_creds = False;
+ }
+ }
+
+ if (opt_password == NULL && !use_cached_creds) {
+
+ /* Request a password from the calling process. After
+ sending it, the calling process should retry asking for the negotiate. */
+
+ DEBUG(10, ("Requesting password\n"));
+ x_fprintf(x_stdout, "PW\n");
+ return;
+ }
+
+ if (strncmp(buf, "YR", 2) == 0) {
+ if (ntlmssp_state)
+ ntlmssp_end(&ntlmssp_state);
+ } else if (strncmp(buf, "TT", 2) == 0) {
+
+ } else if (strncmp(buf, "GF", 2) == 0) {
+ DEBUG(10, ("Requested negotiated NTLMSSP flags\n"));
+ x_fprintf(x_stdout, "GF 0x%08lx\n", have_session_key?neg_flags:0l);
+ data_blob_free(&request);
+ return;
+ } else if (strncmp(buf, "GK", 2) == 0 ) {
+ DEBUG(10, ("Requested session key\n"));
+
+ if(have_session_key) {
+ char *key64 = base64_encode_data_blob(session_key);
+ x_fprintf(x_stdout, "GK %s\n", key64?key64:"<NULL>");
+ SAFE_FREE(key64);
+ }
+ else {
x_fprintf(x_stdout, "BH\n");
+ }
+
+ data_blob_free(&request);
+ return;
+ } else {
+ DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
+ x_fprintf(x_stdout, "BH\n");
+ return;
+ }
+
+ if (!ntlmssp_state) {
+ if (!NT_STATUS_IS_OK(nt_status = ntlm_auth_start_ntlmssp_client(&ntlmssp_state))) {
+ x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
return;
}
+ ntlmssp_want_feature_list(ntlmssp_state, want_feature_list);
+ first = True;
+ initial_message = data_blob_null;
+ }
+
+ DEBUG(10, ("got NTLMSSP packet:\n"));
+ dump_data(10, request.data, request.length);
+
+ if (use_cached_creds && !opt_password && !first) {
+ nt_status = do_ccache_ntlm_auth(initial_message, request, &reply);
+ } else {
+ nt_status = ntlmssp_update(ntlmssp_state, request, &reply);
+ }
+
+ if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+ char *reply_base64 = base64_encode_data_blob(reply);
+ if (first) {
+ x_fprintf(x_stdout, "YR %s\n", reply_base64);
+ } else {
+ x_fprintf(x_stdout, "KK %s\n", reply_base64);
+ }
+ SAFE_FREE(reply_base64);
+ if (first) {
+ initial_message = reply;
+ } else {
+ data_blob_free(&reply);
+ }
+ DEBUG(10, ("NTLMSSP challenge\n"));
+ } else if (NT_STATUS_IS_OK(nt_status)) {
+ char *reply_base64 = base64_encode_data_blob(reply);
+ x_fprintf(x_stdout, "AF %s\n", reply_base64);
+ SAFE_FREE(reply_base64);
+ if(have_session_key)
+ data_blob_free(&session_key);
+
+ session_key = data_blob(ntlmssp_state->session_key.data,
+ ntlmssp_state->session_key.length);
+ neg_flags = ntlmssp_state->neg_flags;
+ have_session_key = True;
+
+ DEBUG(10, ("NTLMSSP OK!\n"));
+ if (ntlmssp_state)
+ ntlmssp_end(&ntlmssp_state);
+ } else {
+ x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
+ DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status)));
+ if (ntlmssp_state)
+ ntlmssp_end(&ntlmssp_state);
+ }
+
+ data_blob_free(&request);
+}
+
+static void manage_squid_basic_request(enum stdio_helper_mode stdio_helper_mode,
+ char *buf, int length)
+{
+ char *user, *pass;
+ user=buf;
+
+ pass=(char *)memchr(buf,' ',length);
+ if (!pass) {
+ DEBUG(2, ("Password not found. Denying access\n"));
+ x_fprintf(x_stdout, "ERR\n");
+ return;
+ }
+ *pass='\0';
+ pass++;
+
+ if (stdio_helper_mode == SQUID_2_5_BASIC) {
+ rfc1738_unescape(user);
+ rfc1738_unescape(pass);
+ }
+
+ if (check_plaintext_auth(user, pass, False)) {
+ x_fprintf(x_stdout, "OK\n");
+ } else {
+ x_fprintf(x_stdout, "ERR\n");
+ }
+}
+
+static void offer_gss_spnego_mechs(void) {
+
+ DATA_BLOB token;
+ SPNEGO_DATA spnego;
+ ssize_t len;
+ char *reply_base64;
+
+ pstring principal;
+ pstring myname_lower;
+
+ ZERO_STRUCT(spnego);
+
+ pstrcpy(myname_lower, global_myname());
+ strlower_m(myname_lower);
+
+ pstr_sprintf(principal, "%s$@%s", myname_lower, lp_realm());
+
+ /* Server negTokenInit (mech offerings) */
+ spnego.type = SPNEGO_NEG_TOKEN_INIT;
+ spnego.negTokenInit.mechTypes = SMB_XMALLOC_ARRAY(const char *, 2);
+#ifdef HAVE_KRB5
+ spnego.negTokenInit.mechTypes[0] = smb_xstrdup(OID_KERBEROS5_OLD);
+ spnego.negTokenInit.mechTypes[1] = smb_xstrdup(OID_NTLMSSP);
+ spnego.negTokenInit.mechTypes[2] = NULL;
+#else
+ spnego.negTokenInit.mechTypes[0] = smb_xstrdup(OID_NTLMSSP);
+ spnego.negTokenInit.mechTypes[1] = NULL;
+#endif
+
+
+ spnego.negTokenInit.mechListMIC = data_blob(principal,
+ strlen(principal));
+
+ len = write_spnego_data(&token, &spnego);
+ free_spnego_data(&spnego);
+
+ if (len == -1) {
+ DEBUG(1, ("Could not write SPNEGO data blob\n"));
+ x_fprintf(x_stdout, "BH\n");
+ return;
+ }
+
+ reply_base64 = base64_encode_data_blob(token);
+ x_fprintf(x_stdout, "TT %s *\n", reply_base64);
+
+ SAFE_FREE(reply_base64);
+ data_blob_free(&token);
+ DEBUG(10, ("sent SPNEGO negTokenInit\n"));
+ return;
+}
+
+static void manage_gss_spnego_request(enum stdio_helper_mode stdio_helper_mode,
+ char *buf, int length)
+{
+ static NTLMSSP_STATE *ntlmssp_state = NULL;
+ SPNEGO_DATA request, response;
+ DATA_BLOB token;
+ NTSTATUS status;
+ ssize_t len;
+
+ char *user = NULL;
+ char *domain = NULL;
+
+ const char *reply_code;
+ char *reply_base64;
+ pstring reply_argument;
+
+ if (strlen(buf) < 2) {
+ DEBUG(1, ("SPENGO query [%s] invalid", buf));
+ x_fprintf(x_stdout, "BH\n");
+ return;
+ }
+
+ if (strncmp(buf, "YR", 2) == 0) {
+ if (ntlmssp_state)
+ ntlmssp_end(&ntlmssp_state);
+ } else if (strncmp(buf, "KK", 2) == 0) {
+
+ } else {
+ DEBUG(1, ("SPENGO query [%s] invalid", buf));
+ x_fprintf(x_stdout, "BH\n");
+ return;
+ }
+
+ if ( (strlen(buf) == 2)) {
+
+ /* no client data, get the negTokenInit offering
+ mechanisms */
+
+ offer_gss_spnego_mechs();
+ return;
+ }
+
+ /* All subsequent requests have a blob. This might be negTokenInit or negTokenTarg */
+
+ if (strlen(buf) <= 3) {
+ DEBUG(1, ("GSS-SPNEGO query [%s] invalid\n", buf));
+ x_fprintf(x_stdout, "BH\n");
+ return;
+ }
+
+ token = base64_decode_data_blob(buf + 3);
+ len = read_spnego_data(token, &request);
+ data_blob_free(&token);
+
+ if (len == -1) {
+ DEBUG(1, ("GSS-SPNEGO query [%s] invalid", buf));
+ x_fprintf(x_stdout, "BH\n");
+ return;
+ }
+
+ if (request.type == SPNEGO_NEG_TOKEN_INIT) {
+
+ /* Second request from Client. This is where the
+ client offers its mechanism to use. */
+
+ if ( (request.negTokenInit.mechTypes == NULL) ||
+ (request.negTokenInit.mechTypes[0] == NULL) ) {
+ DEBUG(1, ("Client did not offer any mechanism"));
+ x_fprintf(x_stdout, "BH\n");
+ return;
+ }
+
+ status = NT_STATUS_UNSUCCESSFUL;
if (strcmp(request.negTokenInit.mechTypes[0], OID_NTLMSSP) == 0) {
if ( request.negTokenInit.mechToken.data == NULL ) {
DEBUG(1, ("Client wants a new NTLMSSP challenge, but "
"already got one\n"));
x_fprintf(x_stdout, "BH\n");
- ntlmssp_server_end(&ntlmssp_state);
+ ntlmssp_end(&ntlmssp_state);
return;
}
- ntlmssp_server_start(&ntlmssp_state);
- ntlmssp_state->check_password = winbind_pw_check;
- ntlmssp_state->get_domain = get_winbind_domain;
- ntlmssp_state->get_global_myname = get_winbind_netbios_name;
+ if (!NT_STATUS_IS_OK(status = ntlm_auth_start_ntlmssp_server(&ntlmssp_state))) {
+ x_fprintf(x_stdout, "BH %s\n", nt_errstr(status));
+ return;
+ }
DEBUG(10, ("got NTLMSSP packet:\n"));
dump_data(10, request.negTokenInit.mechToken.data,
request.negTokenInit.mechToken.length);
- status = ntlmssp_server_update(ntlmssp_state,
+ response.type = SPNEGO_NEG_TOKEN_TARG;
+ response.negTokenTarg.supportedMech = SMB_STRDUP(OID_NTLMSSP);
+ response.negTokenTarg.mechListMIC = data_blob_null;
+
+ status = ntlmssp_update(ntlmssp_state,
request.negTokenInit.mechToken,
&response.negTokenTarg.responseToken);
}
+#ifdef HAVE_KRB5
+ if (strcmp(request.negTokenInit.mechTypes[0], OID_KERBEROS5_OLD) == 0) {
+
+ TALLOC_CTX *mem_ctx = talloc_init("manage_gss_spnego_request");
+ char *principal;
+ DATA_BLOB ap_rep;
+ DATA_BLOB session_key;
+
+ if ( request.negTokenInit.mechToken.data == NULL ) {
+ DEBUG(1, ("Client did not provide Kerberos data\n"));
+ x_fprintf(x_stdout, "BH\n");
+ return;
+ }
+
+ response.type = SPNEGO_NEG_TOKEN_TARG;
+ response.negTokenTarg.supportedMech = SMB_STRDUP(OID_KERBEROS5_OLD);
+ response.negTokenTarg.mechListMIC = data_blob_null;
+ response.negTokenTarg.responseToken = data_blob_null;
+
+ status = ads_verify_ticket(mem_ctx, lp_realm(), 0,
+ &request.negTokenInit.mechToken,
+ &principal, NULL, &ap_rep,
+ &session_key, True);
+
+ talloc_destroy(mem_ctx);
+
+ /* Now in "principal" we have the name we are
+ authenticated as. */
+
+ if (NT_STATUS_IS_OK(status)) {
+
+ domain = strchr_m(principal, '@');
+
+ if (domain == NULL) {
+ DEBUG(1, ("Did not get a valid principal "
+ "from ads_verify_ticket\n"));
+ x_fprintf(x_stdout, "BH\n");
+ return;
+ }
+
+ *domain++ = '\0';
+ domain = SMB_STRDUP(domain);
+ user = SMB_STRDUP(principal);
+
+ data_blob_free(&ap_rep);
+
+ SAFE_FREE(principal);
+ }
+ }
+#endif
+
} else {
- /* request.type == SPNEGO_NEG_TOKEN_TARG */
+ if ( (request.negTokenTarg.supportedMech == NULL) ||
+ ( strcmp(request.negTokenTarg.supportedMech, OID_NTLMSSP) != 0 ) ) {
+ /* Kerberos should never send a negTokenTarg, OID_NTLMSSP
+ is the only one we support that sends this stuff */
+ DEBUG(1, ("Got a negTokenTarg for something non-NTLMSSP: %s\n",
+ request.negTokenTarg.supportedMech));
+ x_fprintf(x_stdout, "BH\n");
+ return;
+ }
if (request.negTokenTarg.responseToken.data == NULL) {
- DEBUG(1, ("Got a negTokenArg without a responseToken!\n"));
+ DEBUG(1, ("Got a negTokenTarg without a responseToken!\n"));
x_fprintf(x_stdout, "BH\n");
return;
}
- status = ntlmssp_server_update(ntlmssp_state,
+ status = ntlmssp_update(ntlmssp_state,
request.negTokenTarg.responseToken,
&response.negTokenTarg.responseToken);
+ response.type = SPNEGO_NEG_TOKEN_TARG;
+ response.negTokenTarg.supportedMech = SMB_STRDUP(OID_NTLMSSP);
+ response.negTokenTarg.mechListMIC = data_blob_null;
+
if (NT_STATUS_IS_OK(status)) {
- user = strdup(ntlmssp_state->user);
- domain = strdup(ntlmssp_state->domain);
- ntlmssp_server_end(&ntlmssp_state);
+ user = SMB_STRDUP(ntlmssp_state->user);
+ domain = SMB_STRDUP(ntlmssp_state->domain);
+ ntlmssp_end(&ntlmssp_state);
}
}
free_spnego_data(&request);
- response.type = SPNEGO_NEG_TOKEN_TARG;
- response.negTokenTarg.supportedMech = strdup(OID_NTLMSSP);
- response.negTokenTarg.mechListMIC = data_blob(NULL, 0);
-
if (NT_STATUS_IS_OK(status)) {
response.negTokenTarg.negResult = SPNEGO_ACCEPT_COMPLETED;
reply_code = "AF";
return;
}
-static NTLMSSP_CLIENT_STATE *client_ntlmssp_state = NULL;
+static NTLMSSP_STATE *client_ntlmssp_state = NULL;
static BOOL manage_client_ntlmssp_init(SPNEGO_DATA spnego)
{
NTSTATUS status;
- DATA_BLOB null_blob = data_blob(NULL, 0);
+ DATA_BLOB null_blob = data_blob_null;
DATA_BLOB to_server;
char *to_server_base64;
const char *my_mechs[] = {OID_NTLMSSP, NULL};
return False;
}
- if ( (opt_username == NULL) || (opt_domain == NULL) ) {
- DEBUG(1, ("Need username and domain for NTLMSSP\n"));
- return False;
+ if (!client_ntlmssp_state) {
+ if (!NT_STATUS_IS_OK(status = ntlm_auth_start_ntlmssp_client(&client_ntlmssp_state))) {
+ x_fprintf(x_stdout, "BH %s\n", nt_errstr(status));
+ return False;
+ }
}
+
if (opt_password == NULL) {
/* Request a password from the calling process. After
return True;
}
- status = ntlmssp_client_start(&client_ntlmssp_state);
-
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("Could not start NTLMSSP client: %s\n",
- nt_errstr(status)));
- ntlmssp_client_end(&client_ntlmssp_state);
- return False;
- }
-
- status = ntlmssp_set_username(client_ntlmssp_state, opt_username);
-
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("Could not set username: %s\n",
- nt_errstr(status)));
- ntlmssp_client_end(&client_ntlmssp_state);
- return False;
- }
-
- status = ntlmssp_set_domain(client_ntlmssp_state, opt_domain);
-
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("Could not set domain: %s\n",
- nt_errstr(status)));
- ntlmssp_client_end(&client_ntlmssp_state);
- return False;
- }
-
- status = ntlmssp_set_password(client_ntlmssp_state, opt_password);
-
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("Could not set password: %s\n",
- nt_errstr(status)));
- ntlmssp_client_end(&client_ntlmssp_state);
- return False;
- }
-
spnego.type = SPNEGO_NEG_TOKEN_INIT;
spnego.negTokenInit.mechTypes = my_mechs;
spnego.negTokenInit.reqFlags = 0;
spnego.negTokenInit.mechListMIC = null_blob;
- status = ntlmssp_client_update(client_ntlmssp_state, null_blob,
+ status = ntlmssp_update(client_ntlmssp_state, null_blob,
&spnego.negTokenInit.mechToken);
- if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
- DEBUG(1, ("Expected MORE_PROCESSING_REQUIRED, got: %s\n",
+ if ( !(NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) ||
+ NT_STATUS_IS_OK(status)) ) {
+ DEBUG(1, ("Expected OK or MORE_PROCESSING_REQUIRED, got: %s\n",
nt_errstr(status)));
- ntlmssp_client_end(&client_ntlmssp_state);
+ ntlmssp_end(&client_ntlmssp_state);
return False;
}
static void manage_client_ntlmssp_targ(SPNEGO_DATA spnego)
{
NTSTATUS status;
- DATA_BLOB null_blob = data_blob(NULL, 0);
+ DATA_BLOB null_blob = data_blob_null;
DATA_BLOB request;
DATA_BLOB to_server;
char *to_server_base64;
if (client_ntlmssp_state == NULL) {
DEBUG(1, ("Got NTLMSSP tArg without a client state\n"));
x_fprintf(x_stdout, "BH\n");
- ntlmssp_client_end(&client_ntlmssp_state);
return;
}
if (spnego.negTokenTarg.negResult == SPNEGO_REJECT) {
x_fprintf(x_stdout, "NA\n");
- ntlmssp_client_end(&client_ntlmssp_state);
+ ntlmssp_end(&client_ntlmssp_state);
return;
}
if (spnego.negTokenTarg.negResult == SPNEGO_ACCEPT_COMPLETED) {
x_fprintf(x_stdout, "AF\n");
- ntlmssp_client_end(&client_ntlmssp_state);
+ ntlmssp_end(&client_ntlmssp_state);
return;
}
- status = ntlmssp_client_update(client_ntlmssp_state,
+ status = ntlmssp_update(client_ntlmssp_state,
spnego.negTokenTarg.responseToken,
&request);
nt_errstr(status)));
x_fprintf(x_stdout, "BH\n");
data_blob_free(&request);
- ntlmssp_client_end(&client_ntlmssp_state);
+ ntlmssp_end(&client_ntlmssp_state);
return;
}
spnego.type = SPNEGO_NEG_TOKEN_TARG;
spnego.negTokenTarg.negResult = SPNEGO_ACCEPT_INCOMPLETE;
- spnego.negTokenTarg.supportedMech = OID_NTLMSSP;
+ spnego.negTokenTarg.supportedMech = (char *)OID_NTLMSSP;
spnego.negTokenTarg.responseToken = request;
spnego.negTokenTarg.mechListMIC = null_blob;
return;
}
+#ifdef HAVE_KRB5
+
static BOOL manage_client_krb5_init(SPNEGO_DATA spnego)
{
- DEBUG(1, ("to be done ... \n"));
- return False;
+ char *principal;
+ DATA_BLOB tkt, to_server;
+ DATA_BLOB session_key_krb5 = data_blob_null;
+ SPNEGO_DATA reply;
+ char *reply_base64;
+ int retval;
+
+ const char *my_mechs[] = {OID_KERBEROS5_OLD, NULL};
+ ssize_t len;
+
+ if ( (spnego.negTokenInit.mechListMIC.data == NULL) ||
+ (spnego.negTokenInit.mechListMIC.length == 0) ) {
+ DEBUG(1, ("Did not get a principal for krb5\n"));
+ return False;
+ }
+
+ principal = (char *)SMB_MALLOC(
+ spnego.negTokenInit.mechListMIC.length+1);
+
+ if (principal == NULL) {
+ DEBUG(1, ("Could not malloc principal\n"));
+ return False;
+ }
+
+ memcpy(principal, spnego.negTokenInit.mechListMIC.data,
+ spnego.negTokenInit.mechListMIC.length);
+ principal[spnego.negTokenInit.mechListMIC.length] = '\0';
+
+ retval = cli_krb5_get_ticket(principal, 0, &tkt, &session_key_krb5, 0, NULL, NULL);
+
+ if (retval) {
+
+ pstring user;
+
+ /* Let's try to first get the TGT, for that we need a
+ password. */
+
+ if (opt_password == NULL) {
+ DEBUG(10, ("Requesting password\n"));
+ x_fprintf(x_stdout, "PW\n");
+ return True;
+ }
+
+ pstr_sprintf(user, "%s@%s", opt_username, opt_domain);
+
+ if ((retval = kerberos_kinit_password(user, opt_password, 0, NULL))) {
+ DEBUG(10, ("Requesting TGT failed: %s\n", error_message(retval)));
+ return False;
+ }
+
+ retval = cli_krb5_get_ticket(principal, 0, &tkt, &session_key_krb5, 0, NULL, NULL);
+
+ if (retval) {
+ DEBUG(10, ("Kinit suceeded, but getting a ticket failed: %s\n", error_message(retval)));
+ return False;
+ }
+ }
+
+ data_blob_free(&session_key_krb5);
+
+ ZERO_STRUCT(reply);
+
+ reply.type = SPNEGO_NEG_TOKEN_INIT;
+ reply.negTokenInit.mechTypes = my_mechs;
+ reply.negTokenInit.reqFlags = 0;
+ reply.negTokenInit.mechToken = tkt;
+ reply.negTokenInit.mechListMIC = data_blob_null;
+
+ len = write_spnego_data(&to_server, &reply);
+ data_blob_free(&tkt);
+
+ if (len == -1) {
+ DEBUG(1, ("Could not write SPNEGO data blob\n"));
+ return False;
+ }
+
+ reply_base64 = base64_encode_data_blob(to_server);
+ x_fprintf(x_stdout, "KK %s *\n", reply_base64);
+
+ SAFE_FREE(reply_base64);
+ data_blob_free(&to_server);
+ DEBUG(10, ("sent GSS-SPNEGO KERBEROS5 negTokenInit\n"));
+ return True;
}
static void manage_client_krb5_targ(SPNEGO_DATA spnego)
{
- DEBUG(1, ("Got a negTokenTarg with a Kerberos token. This should not "
- "happen!\n"));
- x_fprintf(x_stdout, "BH\n");
- return;
+ switch (spnego.negTokenTarg.negResult) {
+ case SPNEGO_ACCEPT_INCOMPLETE:
+ DEBUG(1, ("Got a Kerberos negTokenTarg with ACCEPT_INCOMPLETE\n"));
+ x_fprintf(x_stdout, "BH\n");
+ break;
+ case SPNEGO_ACCEPT_COMPLETED:
+ DEBUG(10, ("Accept completed\n"));
+ x_fprintf(x_stdout, "AF\n");
+ break;
+ case SPNEGO_REJECT:
+ DEBUG(10, ("Rejected\n"));
+ x_fprintf(x_stdout, "NA\n");
+ break;
+ default:
+ DEBUG(1, ("Got an invalid negTokenTarg\n"));
+ x_fprintf(x_stdout, "AF\n");
+ }
}
-static void manage_gss_spnego_client_request(enum squid_mode squid_mode,
+#endif
+
+static void manage_gss_spnego_client_request(enum stdio_helper_mode stdio_helper_mode,
char *buf, int length)
{
DATA_BLOB request;
SPNEGO_DATA spnego;
ssize_t len;
+ if (!opt_username || !*opt_username) {
+ x_fprintf(x_stderr, "username must be specified!\n\n");
+ exit(1);
+ }
+
if (strlen(buf) <= 3) {
DEBUG(1, ("SPNEGO query [%s] too short\n", buf));
x_fprintf(x_stdout, "BH\n");
/* We asked for a password and obviously got it :-) */
- opt_password = strndup(request.data, request.length);
-
+ opt_password = SMB_STRNDUP((const char *)request.data, request.length);
+
if (opt_password == NULL) {
DEBUG(1, ("Out of memory\n"));
x_fprintf(x_stdout, "BH\n");
/* The server offers a list of mechanisms */
- const char **mechType = spnego.negTokenInit.mechTypes;
+ const char **mechType = (const char **)spnego.negTokenInit.mechTypes;
while (*mechType != NULL) {
+#ifdef HAVE_KRB5
if ( (strcmp(*mechType, OID_KERBEROS5_OLD) == 0) ||
(strcmp(*mechType, OID_KERBEROS5) == 0) ) {
if (manage_client_krb5_init(spnego))
goto out;
}
+#endif
if (strcmp(*mechType, OID_NTLMSSP) == 0) {
if (manage_client_ntlmssp_init(spnego))
mechanism anymore. Handle that here and
shut down the mechanisms. */
- switch (spnego.negTokenTarg.negResult) {
- case SPNEGO_ACCEPT_COMPLETED:
- x_fprintf(x_stdout, "AF\n");
- break;
- case SPNEGO_REJECT:
- x_fprintf(x_stdout, "NA\n");
- break;
- default:
- DEBUG(1, ("Got a negTokenTarg with no mech and an "
- "unknown negResult: %d\n",
- spnego.negTokenTarg.negResult));
- x_fprintf(x_stdout, "BH\n");
- }
-
- ntlmssp_client_end(&client_ntlmssp_state);
- goto out;
- }
-
- if (strcmp(spnego.negTokenTarg.supportedMech,
- OID_NTLMSSP) == 0) {
- manage_client_ntlmssp_targ(spnego);
- goto out;
- }
-
- if (strcmp(spnego.negTokenTarg.supportedMech,
- OID_KERBEROS5_OLD) == 0) {
- manage_client_krb5_targ(spnego);
- goto out;
- }
-
- }
-
- DEBUG(1, ("Got an SPNEGO token I could not handle [%s]!\n", buf));
- x_fprintf(x_stdout, "BH\n");
- return;
-
- out:
- free_spnego_data(&spnego);
- return;
-}
-
-static void manage_squid_request(enum squid_mode squid_mode)
-{
- char buf[SQUID_BUFFER_SIZE+1];
- int length;
- char *c;
- static BOOL err;
-
- /* this is not a typo - x_fgets doesn't work too well under squid */
- if (fgets(buf, sizeof(buf)-1, stdin) == NULL) {
- DEBUG(1, ("fgets() failed! dying..... errno=%d (%s)\n", ferror(stdin),
- strerror(ferror(stdin))));
- exit(1); /* BIIG buffer */
- }
-
- c=memchr(buf,'\n',sizeof(buf)-1);
- if (c) {
- *c = '\0';
- length = c-buf;
- } else {
- err = 1;
- return;
- }
- if (err) {
- DEBUG(2, ("Oversized message\n"));
- x_fprintf(x_stderr, "ERR\n");
- err = 0;
- return;
- }
-
- DEBUG(10, ("Got '%s' from squid (length: %d).\n",buf,length));
-
- if (buf[0] == '\0') {
- DEBUG(2, ("Invalid Request\n"));
- x_fprintf(x_stderr, "ERR\n");
- return;
- }
-
- if (squid_mode == SQUID_2_5_BASIC || squid_mode == SQUID_2_4_BASIC) {
- manage_squid_basic_request(squid_mode, buf, length);
- } else if (squid_mode == SQUID_2_5_NTLMSSP) {
- manage_squid_ntlmssp_request(squid_mode, buf, length);
- } else if (squid_mode == GSS_SPNEGO) {
- manage_gss_spnego_request(squid_mode, buf, length);
- } else if (squid_mode == GSS_SPNEGO_CLIENT) {
- manage_gss_spnego_client_request(squid_mode, buf, length);
- }
-}
-
-
-static void squid_stream(enum squid_mode squid_mode) {
- /* initialize FDescs */
- x_setbuf(x_stdout, NULL);
- x_setbuf(x_stderr, NULL);
- while(1) {
- manage_squid_request(squid_mode);
- }
-}
-
-
-/* Authenticate a user with a challenge/response */
-
-static BOOL check_auth_crap(void)
-{
- NTSTATUS nt_status;
- uint32 flags = 0;
- char lm_key[8];
- char nt_key[16];
- char *hex_lm_key;
- char *hex_nt_key;
- char *error_string;
- static uint8 zeros[16];
-
- x_setbuf(x_stdout, NULL);
-
- if (request_lm_key)
- flags |= WBFLAG_PAM_LMKEY;
-
- if (request_nt_key)
- flags |= WBFLAG_PAM_NTKEY;
-
- nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
- opt_workstation,
- &opt_challenge,
- &opt_lm_response,
- &opt_nt_response,
- flags,
- lm_key,
- nt_key,
- &error_string);
-
- if (!NT_STATUS_IS_OK(nt_status)) {
- x_fprintf(x_stdout, "%s (0x%x)\n",
- error_string,
- NT_STATUS_V(nt_status));
- SAFE_FREE(error_string);
- return False;
- }
-
- if (request_lm_key
- && (memcmp(zeros, lm_key,
- sizeof(lm_key)) != 0)) {
- hex_encode(lm_key,
- sizeof(lm_key),
- &hex_lm_key);
- x_fprintf(x_stdout, "LM_KEY: %s\n", hex_lm_key);
- SAFE_FREE(hex_lm_key);
- }
- if (request_nt_key
- && (memcmp(zeros, nt_key,
- sizeof(nt_key)) != 0)) {
- hex_encode(nt_key,
- sizeof(nt_key),
- &hex_nt_key);
- x_fprintf(x_stdout, "NT_KEY: %s\n", hex_nt_key);
- SAFE_FREE(hex_nt_key);
- }
-
- return True;
-}
-
-/*
- Authenticate a user with a challenge/response, checking session key
- and valid authentication types
-*/
-
-static DATA_BLOB get_challenge(void)
-{
- static DATA_BLOB chal;
- if (opt_challenge.length)
- return opt_challenge;
-
- chal = data_blob(NULL, 8);
-
- generate_random_buffer(chal.data, chal.length, False);
- return chal;
-}
-
-/*
- * Test LM authentication, no NT response supplied
- */
-
-static BOOL test_lm(void)
-{
- NTSTATUS nt_status;
- uint32 flags = 0;
- DATA_BLOB lm_response = data_blob(NULL, 24);
-
- uchar lm_key[8];
- uchar nt_key[16];
- uchar lm_hash[16];
- DATA_BLOB chall = get_challenge();
- char *error_string;
-
- ZERO_STRUCT(lm_key);
- ZERO_STRUCT(nt_key);
-
- flags |= WBFLAG_PAM_LMKEY;
- flags |= WBFLAG_PAM_NTKEY;
-
- SMBencrypt(opt_password, chall.data, lm_response.data);
- E_deshash(opt_password, lm_hash);
-
- nt_status = contact_winbind_auth_crap(opt_username, opt_domain, opt_workstation,
- &chall,
- &lm_response,
- NULL,
- flags,
- lm_key,
- nt_key,
- &error_string);
-
- data_blob_free(&lm_response);
-
- if (!NT_STATUS_IS_OK(nt_status)) {
- d_printf("%s (0x%x)\n",
- error_string,
- NT_STATUS_V(nt_status));
- return False;
- }
-
- if (memcmp(lm_hash, lm_key,
- sizeof(lm_key)) != 0) {
- DEBUG(1, ("LM Key does not match expectations!\n"));
- DEBUG(1, ("lm_key:\n"));
- dump_data(1, lm_key, 8);
- DEBUG(1, ("expected:\n"));
- dump_data(1, lm_hash, 8);
- }
- if (memcmp(lm_hash, nt_key, 8) != 0) {
- DEBUG(1, ("Session Key (first 8, lm hash) does not match expectations!\n"));
- DEBUG(1, ("nt_key:\n"));
- dump_data(1, nt_key, 8);
- DEBUG(1, ("expected:\n"));
- dump_data(1, lm_hash, 8);
- }
- return True;
-}
-
-/*
- * Test the normal 'LM and NTLM' combination
- */
-
-static BOOL test_lm_ntlm(void)
-{
- BOOL pass = True;
- NTSTATUS nt_status;
- uint32 flags = 0;
- DATA_BLOB lm_response = data_blob(NULL, 24);
- DATA_BLOB nt_response = data_blob(NULL, 24);
- DATA_BLOB session_key = data_blob(NULL, 16);
-
- uchar lm_key[8];
- uchar nt_key[16];
- uchar lm_hash[16];
- uchar nt_hash[16];
- DATA_BLOB chall = get_challenge();
- char *error_string;
-
- ZERO_STRUCT(lm_key);
- ZERO_STRUCT(nt_key);
-
- flags |= WBFLAG_PAM_LMKEY;
- flags |= WBFLAG_PAM_NTKEY;
-
- SMBencrypt(opt_password,chall.data,lm_response.data);
- E_deshash(opt_password, lm_hash);
-
- SMBNTencrypt(opt_password,chall.data,nt_response.data);
-
- E_md4hash(opt_password, nt_hash);
- SMBsesskeygen_ntv1(nt_hash, NULL, session_key.data);
-
- nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
- opt_workstation,
- &chall,
- &lm_response,
- &nt_response,
- flags,
- lm_key,
- nt_key,
- &error_string);
-
- data_blob_free(&lm_response);
-
- if (!NT_STATUS_IS_OK(nt_status)) {
- d_printf("%s (0x%x)\n",
- error_string,
- NT_STATUS_V(nt_status));
- SAFE_FREE(error_string);
- return False;
- }
-
- if (memcmp(lm_hash, lm_key,
- sizeof(lm_key)) != 0) {
- DEBUG(1, ("LM Key does not match expectations!\n"));
- DEBUG(1, ("lm_key:\n"));
- dump_data(1, lm_key, 8);
- DEBUG(1, ("expected:\n"));
- dump_data(1, lm_hash, 8);
- pass = False;
- }
- if (memcmp(session_key.data, nt_key,
- sizeof(nt_key)) != 0) {
- DEBUG(1, ("NT Session Key does not match expectations!\n"));
- DEBUG(1, ("nt_key:\n"));
- dump_data(1, nt_key, 16);
- DEBUG(1, ("expected:\n"));
- dump_data(1, session_key.data, session_key.length);
- pass = False;
- }
- return pass;
-}
-
-/*
- * Test the NTLM response only, no LM.
- */
-
-static BOOL test_ntlm(void)
-{
- BOOL pass = True;
- NTSTATUS nt_status;
- uint32 flags = 0;
- DATA_BLOB nt_response = data_blob(NULL, 24);
- DATA_BLOB session_key = data_blob(NULL, 16);
-
- char lm_key[8];
- char nt_key[16];
- char lm_hash[16];
- char nt_hash[16];
- DATA_BLOB chall = get_challenge();
- char *error_string;
-
- ZERO_STRUCT(lm_key);
- ZERO_STRUCT(nt_key);
-
- flags |= WBFLAG_PAM_LMKEY;
- flags |= WBFLAG_PAM_NTKEY;
-
- SMBNTencrypt(opt_password,chall.data,nt_response.data);
- E_md4hash(opt_password, nt_hash);
- SMBsesskeygen_ntv1(nt_hash, NULL, session_key.data);
-
- E_deshash(opt_password, lm_hash);
-
- nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
- opt_workstation,
- &chall,
- NULL,
- &nt_response,
- flags,
- lm_key,
- nt_key,
- &error_string);
-
- data_blob_free(&nt_response);
-
- if (!NT_STATUS_IS_OK(nt_status)) {
- d_printf("%s (0x%x)\n",
- error_string,
- NT_STATUS_V(nt_status));
- SAFE_FREE(error_string);
- return False;
- }
-
- if (memcmp(lm_hash, lm_key,
- sizeof(lm_key)) != 0) {
- DEBUG(1, ("LM Key does not match expectations!\n"));
- DEBUG(1, ("lm_key:\n"));
- dump_data(1, lm_key, 8);
- DEBUG(1, ("expected:\n"));
- dump_data(1, lm_hash, 8);
- pass = False;
- }
- if (memcmp(session_key.data, nt_key,
- sizeof(nt_key)) != 0) {
- DEBUG(1, ("NT Session Key does not match expectations!\n"));
- DEBUG(1, ("nt_key:\n"));
- dump_data(1, nt_key, 16);
- DEBUG(1, ("expected:\n"));
- dump_data(1, session_key.data, session_key.length);
- pass = False;
- }
- return pass;
-}
-
-/*
- * Test the NTLM response only, but in the LM field.
- */
-
-static BOOL test_ntlm_in_lm(void)
-{
- BOOL pass = True;
- NTSTATUS nt_status;
- uint32 flags = 0;
- DATA_BLOB nt_response = data_blob(NULL, 24);
-
- uchar lm_key[8];
- uchar lm_hash[16];
- uchar nt_key[16];
- DATA_BLOB chall = get_challenge();
- char *error_string;
-
- ZERO_STRUCT(nt_key);
-
- flags |= WBFLAG_PAM_LMKEY;
- flags |= WBFLAG_PAM_NTKEY;
-
- SMBNTencrypt(opt_password,chall.data,nt_response.data);
-
- E_deshash(opt_password, lm_hash);
-
- nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
- opt_workstation,
- &chall,
- &nt_response,
- NULL,
- flags,
- lm_key,
- nt_key,
- &error_string);
-
- data_blob_free(&nt_response);
-
- if (!NT_STATUS_IS_OK(nt_status)) {
- d_printf("%s (0x%x)\n",
- error_string,
- NT_STATUS_V(nt_status));
- SAFE_FREE(error_string);
- return False;
- }
-
- if (memcmp(lm_hash, lm_key,
- sizeof(lm_key)) != 0) {
- DEBUG(1, ("LM Key does not match expectations!\n"));
- DEBUG(1, ("lm_key:\n"));
- dump_data(1, lm_key, 8);
- DEBUG(1, ("expected:\n"));
- dump_data(1, lm_hash, 8);
- pass = False;
- }
- if (memcmp(lm_hash, nt_key, 8) != 0) {
- DEBUG(1, ("Session Key (first 8 lm hash) does not match expectations!\n"));
- DEBUG(1, ("nt_key:\n"));
- dump_data(1, nt_key, 16);
- DEBUG(1, ("expected:\n"));
- dump_data(1, lm_hash, 8);
- pass = False;
- }
- return pass;
-}
-
-/*
- * Test the NTLM response only, but in the both the NT and LM fields.
- */
-
-static BOOL test_ntlm_in_both(void)
-{
- BOOL pass = True;
- NTSTATUS nt_status;
- uint32 flags = 0;
- DATA_BLOB nt_response = data_blob(NULL, 24);
- DATA_BLOB session_key = data_blob(NULL, 16);
-
- char lm_key[8];
- char lm_hash[16];
- char nt_key[16];
- char nt_hash[16];
- DATA_BLOB chall = get_challenge();
- char *error_string;
-
- ZERO_STRUCT(lm_key);
- ZERO_STRUCT(nt_key);
-
- flags |= WBFLAG_PAM_LMKEY;
- flags |= WBFLAG_PAM_NTKEY;
-
- SMBNTencrypt(opt_password,chall.data,nt_response.data);
- E_md4hash(opt_password, nt_hash);
- SMBsesskeygen_ntv1(nt_hash, NULL, session_key.data);
+ switch (spnego.negTokenTarg.negResult) {
+ case SPNEGO_ACCEPT_COMPLETED:
+ x_fprintf(x_stdout, "AF\n");
+ break;
+ case SPNEGO_REJECT:
+ x_fprintf(x_stdout, "NA\n");
+ break;
+ default:
+ DEBUG(1, ("Got a negTokenTarg with no mech and an "
+ "unknown negResult: %d\n",
+ spnego.negTokenTarg.negResult));
+ x_fprintf(x_stdout, "BH\n");
+ }
- E_deshash(opt_password, lm_hash);
+ ntlmssp_end(&client_ntlmssp_state);
+ goto out;
+ }
- nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
- opt_workstation,
- &chall,
- &nt_response,
- &nt_response,
- flags,
- lm_key,
- nt_key,
- &error_string);
-
- data_blob_free(&nt_response);
+ if (strcmp(spnego.negTokenTarg.supportedMech,
+ OID_NTLMSSP) == 0) {
+ manage_client_ntlmssp_targ(spnego);
+ goto out;
+ }
- if (!NT_STATUS_IS_OK(nt_status)) {
- d_printf("%s (0x%x)\n",
- error_string,
- NT_STATUS_V(nt_status));
- SAFE_FREE(error_string);
- return False;
- }
+#if HAVE_KRB5
+ if (strcmp(spnego.negTokenTarg.supportedMech,
+ OID_KERBEROS5_OLD) == 0) {
+ manage_client_krb5_targ(spnego);
+ goto out;
+ }
+#endif
- if (memcmp(lm_hash, lm_key,
- sizeof(lm_key)) != 0) {
- DEBUG(1, ("LM Key does not match expectations!\n"));
- DEBUG(1, ("lm_key:\n"));
- dump_data(1, lm_key, 8);
- DEBUG(1, ("expected:\n"));
- dump_data(1, lm_hash, 8);
- pass = False;
- }
- if (memcmp(session_key.data, nt_key,
- sizeof(nt_key)) != 0) {
- DEBUG(1, ("NT Session Key does not match expectations!\n"));
- DEBUG(1, ("nt_key:\n"));
- dump_data(1, nt_key, 16);
- DEBUG(1, ("expected:\n"));
- dump_data(1, session_key.data, session_key.length);
- pass = False;
}
+ DEBUG(1, ("Got an SPNEGO token I could not handle [%s]!\n", buf));
+ x_fprintf(x_stdout, "BH\n");
+ return;
- return pass;
+ out:
+ free_spnego_data(&spnego);
+ return;
}
-/*
- * Test the NTLMv2 response only
- */
-
-static BOOL test_ntlmv2(void)
+static void manage_ntlm_server_1_request(enum stdio_helper_mode stdio_helper_mode,
+ char *buf, int length)
{
- BOOL pass = True;
- NTSTATUS nt_status;
- uint32 flags = 0;
- DATA_BLOB ntlmv2_response = data_blob(NULL, 0);
- DATA_BLOB nt_session_key = data_blob(NULL, 0);
- DATA_BLOB names_blob = NTLMv2_generate_names_blob(get_winbind_netbios_name(), get_winbind_domain());
+ char *request, *parameter;
+ static DATA_BLOB challenge;
+ static DATA_BLOB lm_response;
+ static DATA_BLOB nt_response;
+ static char *full_username;
+ static char *username;
+ static char *domain;
+ static char *plaintext_password;
+ static BOOL ntlm_server_1_user_session_key;
+ static BOOL ntlm_server_1_lm_session_key;
+
+ if (strequal(buf, ".")) {
+ if (!full_username && !username) {
+ x_fprintf(x_stdout, "Error: No username supplied!\n");
+ } else if (plaintext_password) {
+ /* handle this request as plaintext */
+ if (!full_username) {
+ if (asprintf(&full_username, "%s%c%s", domain, winbind_separator(), username) == -1) {
+ x_fprintf(x_stdout, "Error: Out of memory in asprintf!\n.\n");
+ return;
+ }
+ }
+ if (check_plaintext_auth(full_username, plaintext_password, False)) {
+ x_fprintf(x_stdout, "Authenticated: Yes\n");
+ } else {
+ x_fprintf(x_stdout, "Authenticated: No\n");
+ }
+ } else if (!lm_response.data && !nt_response.data) {
+ x_fprintf(x_stdout, "Error: No password supplied!\n");
+ } else if (!challenge.data) {
+ x_fprintf(x_stdout, "Error: No lanman-challenge supplied!\n");
+ } else {
+ char *error_string = NULL;
+ uchar lm_key[8];
+ uchar user_session_key[16];
+ uint32 flags = 0;
+
+ if (full_username && !username) {
+ fstring fstr_user;
+ fstring fstr_domain;
+
+ if (!parse_ntlm_auth_domain_user(full_username, fstr_user, fstr_domain)) {
+ /* username might be 'tainted', don't print into our new-line deleimianted stream */
+ x_fprintf(x_stdout, "Error: Could not parse into domain and username\n");
+ }
+ SAFE_FREE(username);
+ SAFE_FREE(domain);
+ username = smb_xstrdup(fstr_user);
+ domain = smb_xstrdup(fstr_domain);
+ }
- uchar nt_key[16];
- DATA_BLOB chall = get_challenge();
- char *error_string;
+ if (!domain) {
+ domain = smb_xstrdup(get_winbind_domain());
+ }
- ZERO_STRUCT(nt_key);
-
- flags |= WBFLAG_PAM_NTKEY;
+ if (ntlm_server_1_lm_session_key)
+ flags |= WBFLAG_PAM_LMKEY;
+
+ if (ntlm_server_1_user_session_key)
+ flags |= WBFLAG_PAM_USER_SESSION_KEY;
+
+ if (!NT_STATUS_IS_OK(
+ contact_winbind_auth_crap(username,
+ domain,
+ global_myname(),
+ &challenge,
+ &lm_response,
+ &nt_response,
+ flags,
+ lm_key,
+ user_session_key,
+ &error_string,
+ NULL))) {
+
+ x_fprintf(x_stdout, "Authenticated: No\n");
+ x_fprintf(x_stdout, "Authentication-Error: %s\n.\n", error_string);
+ SAFE_FREE(error_string);
+ } else {
+ static char zeros[16];
+ char *hex_lm_key;
+ char *hex_user_session_key;
+
+ x_fprintf(x_stdout, "Authenticated: Yes\n");
+
+ if (ntlm_server_1_lm_session_key
+ && (memcmp(zeros, lm_key,
+ sizeof(lm_key)) != 0)) {
+ hex_lm_key = hex_encode(NULL,
+ (const unsigned char *)lm_key,
+ sizeof(lm_key));
+ x_fprintf(x_stdout, "LANMAN-Session-Key: %s\n", hex_lm_key);
+ TALLOC_FREE(hex_lm_key);
+ }
+
+ if (ntlm_server_1_user_session_key
+ && (memcmp(zeros, user_session_key,
+ sizeof(user_session_key)) != 0)) {
+ hex_user_session_key = hex_encode(NULL,
+ (const unsigned char *)user_session_key,
+ sizeof(user_session_key));
+ x_fprintf(x_stdout, "User-Session-Key: %s\n", hex_user_session_key);
+ TALLOC_FREE(hex_user_session_key);
+ }
+ }
+ }
+ /* clear out the state */
+ challenge = data_blob_null;
+ nt_response = data_blob_null;
+ lm_response = data_blob_null;
+ SAFE_FREE(full_username);
+ SAFE_FREE(username);
+ SAFE_FREE(domain);
+ SAFE_FREE(plaintext_password);
+ ntlm_server_1_user_session_key = False;
+ ntlm_server_1_lm_session_key = False;
+ x_fprintf(x_stdout, ".\n");
- if (!SMBNTLMv2encrypt(opt_username, opt_domain, opt_password, &chall,
- &names_blob,
- NULL, &ntlmv2_response,
- &nt_session_key)) {
- data_blob_free(&names_blob);
- return False;
+ return;
}
- data_blob_free(&names_blob);
- nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
- opt_workstation,
- &chall,
- NULL,
- &ntlmv2_response,
- flags,
- NULL,
- nt_key,
- &error_string);
-
- data_blob_free(&ntlmv2_response);
+ request = buf;
- if (!NT_STATUS_IS_OK(nt_status)) {
- d_printf("%s (0x%x)\n",
- error_string,
- NT_STATUS_V(nt_status));
- SAFE_FREE(error_string);
- return False;
- }
+ /* Indicates a base64 encoded structure */
+ parameter = strstr_m(request, ":: ");
+ if (!parameter) {
+ parameter = strstr_m(request, ": ");
+
+ if (!parameter) {
+ DEBUG(0, ("Parameter not found!\n"));
+ x_fprintf(x_stdout, "Error: Parameter not found!\n.\n");
+ return;
+ }
+
+ parameter[0] ='\0';
+ parameter++;
+ parameter[0] ='\0';
+ parameter++;
- if (memcmp(nt_session_key.data, nt_key,
- sizeof(nt_key)) != 0) {
- DEBUG(1, ("NT Session Key does not match expectations!\n"));
- DEBUG(1, ("nt_key:\n"));
- dump_data(1, nt_key, 16);
- DEBUG(1, ("expected:\n"));
- dump_data(1, nt_session_key.data, nt_session_key.length);
- pass = False;
+ } else {
+ parameter[0] ='\0';
+ parameter++;
+ parameter[0] ='\0';
+ parameter++;
+ parameter[0] ='\0';
+ parameter++;
+
+ base64_decode_inplace(parameter);
+ }
+
+ if (strequal(request, "LANMAN-Challenge")) {
+ challenge = strhex_to_data_blob(NULL, parameter);
+ if (challenge.length != 8) {
+ x_fprintf(x_stdout, "Error: hex decode of %s failed! (got %d bytes, expected 8)\n.\n",
+ parameter,
+ (int)challenge.length);
+ challenge = data_blob_null;
+ }
+ } else if (strequal(request, "NT-Response")) {
+ nt_response = strhex_to_data_blob(NULL, parameter);
+ if (nt_response.length < 24) {
+ x_fprintf(x_stdout, "Error: hex decode of %s failed! (only got %d bytes, needed at least 24)\n.\n",
+ parameter,
+ (int)nt_response.length);
+ nt_response = data_blob_null;
+ }
+ } else if (strequal(request, "LANMAN-Response")) {
+ lm_response = strhex_to_data_blob(NULL, parameter);
+ if (lm_response.length != 24) {
+ x_fprintf(x_stdout, "Error: hex decode of %s failed! (got %d bytes, expected 24)\n.\n",
+ parameter,
+ (int)lm_response.length);
+ lm_response = data_blob_null;
+ }
+ } else if (strequal(request, "Password")) {
+ plaintext_password = smb_xstrdup(parameter);
+ } else if (strequal(request, "NT-Domain")) {
+ domain = smb_xstrdup(parameter);
+ } else if (strequal(request, "Username")) {
+ username = smb_xstrdup(parameter);
+ } else if (strequal(request, "Full-Username")) {
+ full_username = smb_xstrdup(parameter);
+ } else if (strequal(request, "Request-User-Session-Key")) {
+ ntlm_server_1_user_session_key = strequal(parameter, "Yes");
+ } else if (strequal(request, "Request-LanMan-Session-Key")) {
+ ntlm_server_1_lm_session_key = strequal(parameter, "Yes");
+ } else {
+ x_fprintf(x_stdout, "Error: Unknown request %s\n.\n", request);
}
- return pass;
}
-/*
- * Test the NTLMv2 and LMv2 responses
- */
-
-static BOOL test_lmv2_ntlmv2(void)
+static void manage_ntlm_change_password_1_request(enum stdio_helper_mode helper_mode, char *buf, int length)
{
- BOOL pass = True;
- NTSTATUS nt_status;
- uint32 flags = 0;
- DATA_BLOB ntlmv2_response = data_blob(NULL, 0);
- DATA_BLOB lmv2_response = data_blob(NULL, 0);
- DATA_BLOB nt_session_key = data_blob(NULL, 0);
- DATA_BLOB names_blob = NTLMv2_generate_names_blob(get_winbind_netbios_name(), get_winbind_domain());
-
- uchar nt_key[16];
- DATA_BLOB chall = get_challenge();
- char *error_string;
+ char *request, *parameter;
+ static DATA_BLOB new_nt_pswd;
+ static DATA_BLOB old_nt_hash_enc;
+ static DATA_BLOB new_lm_pswd;
+ static DATA_BLOB old_lm_hash_enc;
+ static char *full_username = NULL;
+ static char *username = NULL;
+ static char *domain = NULL;
+ static char *newpswd = NULL;
+ static char *oldpswd = NULL;
+
+ if (strequal(buf, ".")) {
+ if(newpswd && oldpswd) {
+ uchar old_nt_hash[16];
+ uchar old_lm_hash[16];
+ uchar new_nt_hash[16];
+ uchar new_lm_hash[16];
+
+ new_nt_pswd = data_blob(NULL, 516);
+ old_nt_hash_enc = data_blob(NULL, 16);
+
+ /* Calculate the MD4 hash (NT compatible) of the
+ * password */
+ E_md4hash(oldpswd, old_nt_hash);
+ E_md4hash(newpswd, new_nt_hash);
+
+ /* E_deshash returns false for 'long'
+ passwords (> 14 DOS chars).
+
+ Therefore, don't send a buffer
+ encrypted with the truncated hash
+ (it could allow an even easier
+ attack on the password)
+
+ Likewise, obey the admin's restriction
+ */
+
+ if (lp_client_lanman_auth() &&
+ E_deshash(newpswd, new_lm_hash) &&
+ E_deshash(oldpswd, old_lm_hash)) {
+ new_lm_pswd = data_blob(NULL, 516);
+ old_lm_hash_enc = data_blob(NULL, 16);
+ encode_pw_buffer(new_lm_pswd.data, newpswd,
+ STR_UNICODE);
+
+ SamOEMhash(new_lm_pswd.data, old_nt_hash, 516);
+ E_old_pw_hash(new_nt_hash, old_lm_hash,
+ old_lm_hash_enc.data);
+ } else {
+ new_lm_pswd.data = NULL;
+ new_lm_pswd.length = 0;
+ old_lm_hash_enc.data = NULL;
+ old_lm_hash_enc.length = 0;
+ }
- ZERO_STRUCT(nt_key);
+ encode_pw_buffer(new_nt_pswd.data, newpswd,
+ STR_UNICODE);
- flags |= WBFLAG_PAM_NTKEY;
+ SamOEMhash(new_nt_pswd.data, old_nt_hash, 516);
+ E_old_pw_hash(new_nt_hash, old_nt_hash,
+ old_nt_hash_enc.data);
+ }
+
+ if (!full_username && !username) {
+ x_fprintf(x_stdout, "Error: No username supplied!\n");
+ } else if ((!new_nt_pswd.data || !old_nt_hash_enc.data) &&
+ (!new_lm_pswd.data || old_lm_hash_enc.data) ) {
+ x_fprintf(x_stdout, "Error: No NT or LM password "
+ "blobs supplied!\n");
+ } else {
+ char *error_string = NULL;
+
+ if (full_username && !username) {
+ fstring fstr_user;
+ fstring fstr_domain;
+
+ if (!parse_ntlm_auth_domain_user(full_username,
+ fstr_user,
+ fstr_domain)) {
+ /* username might be 'tainted', don't
+ * print into our new-line
+ * deleimianted stream */
+ x_fprintf(x_stdout, "Error: Could not "
+ "parse into domain and "
+ "username\n");
+ SAFE_FREE(username);
+ username = smb_xstrdup(full_username);
+ } else {
+ SAFE_FREE(username);
+ SAFE_FREE(domain);
+ username = smb_xstrdup(fstr_user);
+ domain = smb_xstrdup(fstr_domain);
+ }
+
+ }
- if (!SMBNTLMv2encrypt(opt_username, opt_domain, opt_password, &chall,
- &names_blob,
- &lmv2_response, &ntlmv2_response,
- &nt_session_key)) {
- data_blob_free(&names_blob);
- return False;
- }
- data_blob_free(&names_blob);
+ if(!NT_STATUS_IS_OK(contact_winbind_change_pswd_auth_crap(
+ username, domain,
+ new_nt_pswd,
+ old_nt_hash_enc,
+ new_lm_pswd,
+ old_lm_hash_enc,
+ &error_string))) {
+ x_fprintf(x_stdout, "Password-Change: No\n");
+ x_fprintf(x_stdout, "Password-Change-Error: "
+ "%s\n.\n", error_string);
+ } else {
+ x_fprintf(x_stdout, "Password-Change: Yes\n");
+ }
- nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
- opt_workstation,
- &chall,
- &lmv2_response,
- &ntlmv2_response,
- flags,
- NULL,
- nt_key,
- &error_string);
-
- data_blob_free(&lmv2_response);
- data_blob_free(&ntlmv2_response);
+ SAFE_FREE(error_string);
+ }
+ /* clear out the state */
+ new_nt_pswd = data_blob_null;
+ old_nt_hash_enc = data_blob_null;
+ new_lm_pswd = data_blob_null;
+ old_nt_hash_enc = data_blob_null;
+ SAFE_FREE(full_username);
+ SAFE_FREE(username);
+ SAFE_FREE(domain);
+ SAFE_FREE(newpswd);
+ SAFE_FREE(oldpswd);
+ x_fprintf(x_stdout, ".\n");
- if (!NT_STATUS_IS_OK(nt_status)) {
- d_printf("%s (0x%x)\n",
- error_string,
- NT_STATUS_V(nt_status));
- SAFE_FREE(error_string);
- return False;
+ return;
}
- if (memcmp(nt_session_key.data, nt_key,
- sizeof(nt_key)) != 0) {
- DEBUG(1, ("NT Session Key does not match expectations!\n"));
- DEBUG(1, ("nt_key:\n"));
- dump_data(1, nt_key, 16);
- DEBUG(1, ("expected:\n"));
- dump_data(1, nt_session_key.data, nt_session_key.length);
- pass = False;
+ request = buf;
+
+ /* Indicates a base64 encoded structure */
+ parameter = strstr_m(request, ":: ");
+ if (!parameter) {
+ parameter = strstr_m(request, ": ");
+
+ if (!parameter) {
+ DEBUG(0, ("Parameter not found!\n"));
+ x_fprintf(x_stdout, "Error: Parameter not found!\n.\n");
+ return;
+ }
+
+ parameter[0] ='\0';
+ parameter++;
+ parameter[0] ='\0';
+ parameter++;
+ } else {
+ parameter[0] ='\0';
+ parameter++;
+ parameter[0] ='\0';
+ parameter++;
+ parameter[0] ='\0';
+ parameter++;
+
+ base64_decode_inplace(parameter);
+ }
+
+ if (strequal(request, "new-nt-password-blob")) {
+ new_nt_pswd = strhex_to_data_blob(NULL, parameter);
+ if (new_nt_pswd.length != 516) {
+ x_fprintf(x_stdout, "Error: hex decode of %s failed! "
+ "(got %d bytes, expected 516)\n.\n",
+ parameter,
+ (int)new_nt_pswd.length);
+ new_nt_pswd = data_blob_null;
+ }
+ } else if (strequal(request, "old-nt-hash-blob")) {
+ old_nt_hash_enc = strhex_to_data_blob(NULL, parameter);
+ if (old_nt_hash_enc.length != 16) {
+ x_fprintf(x_stdout, "Error: hex decode of %s failed! "
+ "(got %d bytes, expected 16)\n.\n",
+ parameter,
+ (int)old_nt_hash_enc.length);
+ old_nt_hash_enc = data_blob_null;
+ }
+ } else if (strequal(request, "new-lm-password-blob")) {
+ new_lm_pswd = strhex_to_data_blob(NULL, parameter);
+ if (new_lm_pswd.length != 516) {
+ x_fprintf(x_stdout, "Error: hex decode of %s failed! "
+ "(got %d bytes, expected 516)\n.\n",
+ parameter,
+ (int)new_lm_pswd.length);
+ new_lm_pswd = data_blob_null;
+ }
+ }
+ else if (strequal(request, "old-lm-hash-blob")) {
+ old_lm_hash_enc = strhex_to_data_blob(NULL, parameter);
+ if (old_lm_hash_enc.length != 16)
+ {
+ x_fprintf(x_stdout, "Error: hex decode of %s failed! "
+ "(got %d bytes, expected 16)\n.\n",
+ parameter,
+ (int)old_lm_hash_enc.length);
+ old_lm_hash_enc = data_blob_null;
+ }
+ } else if (strequal(request, "nt-domain")) {
+ domain = smb_xstrdup(parameter);
+ } else if(strequal(request, "username")) {
+ username = smb_xstrdup(parameter);
+ } else if(strequal(request, "full-username")) {
+ username = smb_xstrdup(parameter);
+ } else if(strequal(request, "new-password")) {
+ newpswd = smb_xstrdup(parameter);
+ } else if (strequal(request, "old-password")) {
+ oldpswd = smb_xstrdup(parameter);
+ } else {
+ x_fprintf(x_stdout, "Error: Unknown request %s\n.\n", request);
}
- return pass;
}
-/*
- * Test the LMv2 response only
- */
-
-static BOOL test_lmv2(void)
+static void manage_squid_request(enum stdio_helper_mode helper_mode, stdio_helper_function fn)
{
- BOOL pass = True;
- NTSTATUS nt_status;
- uint32 flags = 0;
- DATA_BLOB lmv2_response = data_blob(NULL, 0);
-
- DATA_BLOB chall = get_challenge();
- char *error_string;
+ char buf[SQUID_BUFFER_SIZE+1];
+ int length;
+ char *c;
+ static BOOL err;
- if (!SMBNTLMv2encrypt(opt_username, opt_domain, opt_password, &chall,
- NULL,
- &lmv2_response, NULL,
- NULL)) {
- return False;
+ /* this is not a typo - x_fgets doesn't work too well under squid */
+ if (fgets(buf, sizeof(buf)-1, stdin) == NULL) {
+ if (ferror(stdin)) {
+ DEBUG(1, ("fgets() failed! dying..... errno=%d (%s)\n", ferror(stdin),
+ strerror(ferror(stdin))));
+
+ exit(1); /* BIIG buffer */
+ }
+ exit(0);
}
-
- nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
- opt_workstation,
- &chall,
- &lmv2_response,
- NULL,
- flags,
- NULL,
- NULL,
- &error_string);
-
- data_blob_free(&lmv2_response);
-
- if (!NT_STATUS_IS_OK(nt_status)) {
- d_printf("%s (0x%x)\n",
- error_string,
- NT_STATUS_V(nt_status));
- SAFE_FREE(error_string);
- return False;
+
+ c=(char *)memchr(buf,'\n',sizeof(buf)-1);
+ if (c) {
+ *c = '\0';
+ length = c-buf;
+ } else {
+ err = 1;
+ return;
+ }
+ if (err) {
+ DEBUG(2, ("Oversized message\n"));
+ x_fprintf(x_stderr, "ERR\n");
+ err = 0;
+ return;
}
- return pass;
-}
-
-/*
- * Test the normal 'LM and NTLM' combination but deliberately break one
- */
+ DEBUG(10, ("Got '%s' from squid (length: %d).\n",buf,length));
-static BOOL test_ntlm_broken(BOOL break_lm)
-{
- BOOL pass = True;
- NTSTATUS nt_status;
- uint32 flags = 0;
- DATA_BLOB lm_response = data_blob(NULL, 24);
- DATA_BLOB nt_response = data_blob(NULL, 24);
- DATA_BLOB session_key = data_blob(NULL, 16);
-
- uchar lm_key[8];
- uchar nt_key[16];
- uchar lm_hash[16];
- uchar nt_hash[16];
- DATA_BLOB chall = get_challenge();
- char *error_string;
+ if (buf[0] == '\0') {
+ DEBUG(2, ("Invalid Request\n"));
+ x_fprintf(x_stderr, "ERR\n");
+ return;
+ }
- ZERO_STRUCT(lm_key);
- ZERO_STRUCT(nt_key);
-
- flags |= WBFLAG_PAM_LMKEY;
- flags |= WBFLAG_PAM_NTKEY;
-
- SMBencrypt(opt_password,chall.data,lm_response.data);
- E_deshash(opt_password, lm_hash);
-
- SMBNTencrypt(opt_password,chall.data,nt_response.data);
-
- E_md4hash(opt_password, nt_hash);
- SMBsesskeygen_ntv1(nt_hash, NULL, session_key.data);
-
- if (break_lm)
- lm_response.data[0]++;
- else
- nt_response.data[0]++;
+ fn(helper_mode, buf, length);
+}
- nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
- opt_workstation,
- &chall,
- &lm_response,
- &nt_response,
- flags,
- lm_key,
- nt_key,
- &error_string);
-
- data_blob_free(&lm_response);
- if (!NT_STATUS_IS_OK(nt_status)) {
- d_printf("%s (0x%x)\n",
- error_string,
- NT_STATUS_V(nt_status));
- SAFE_FREE(error_string);
- return False;
+static void squid_stream(enum stdio_helper_mode stdio_mode, stdio_helper_function fn) {
+ /* initialize FDescs */
+ x_setbuf(x_stdout, NULL);
+ x_setbuf(x_stderr, NULL);
+ while(1) {
+ manage_squid_request(stdio_mode, fn);
}
-
- if (memcmp(lm_hash, lm_key,
- sizeof(lm_key)) != 0) {
- DEBUG(1, ("LM Key does not match expectations!\n"));
- DEBUG(1, ("lm_key:\n"));
- dump_data(1, lm_key, 8);
- DEBUG(1, ("expected:\n"));
- dump_data(1, lm_hash, 8);
- pass = False;
- }
- if (memcmp(session_key.data, nt_key,
- sizeof(nt_key)) != 0) {
- DEBUG(1, ("NT Session Key does not match expectations!\n"));
- DEBUG(1, ("nt_key:\n"));
- dump_data(1, nt_key, 16);
- DEBUG(1, ("expected:\n"));
- dump_data(1, session_key.data, session_key.length);
- pass = False;
- }
- return pass;
}
-static BOOL test_ntlm_lm_broken(void)
-{
- return test_ntlm_broken(True);
-}
-static BOOL test_ntlm_ntlm_broken(void)
-{
- return test_ntlm_broken(False);
-}
+/* Authenticate a user with a challenge/response */
-static BOOL test_ntlmv2_broken(BOOL break_lmv2)
+static BOOL check_auth_crap(void)
{
- BOOL pass = True;
NTSTATUS nt_status;
uint32 flags = 0;
- DATA_BLOB ntlmv2_response = data_blob(NULL, 0);
- DATA_BLOB lmv2_response = data_blob(NULL, 0);
- DATA_BLOB nt_session_key = data_blob(NULL, 0);
- DATA_BLOB names_blob = NTLMv2_generate_names_blob(get_winbind_netbios_name(), get_winbind_domain());
-
- uchar nt_key[16];
- DATA_BLOB chall = get_challenge();
+ char lm_key[8];
+ char user_session_key[16];
+ char *hex_lm_key;
+ char *hex_user_session_key;
char *error_string;
+ static uint8 zeros[16];
- ZERO_STRUCT(nt_key);
-
- flags |= WBFLAG_PAM_NTKEY;
-
- if (!SMBNTLMv2encrypt(opt_username, opt_domain, opt_password, &chall,
- &names_blob,
- &lmv2_response, &ntlmv2_response,
- &nt_session_key)) {
- data_blob_free(&names_blob);
- return False;
- }
- data_blob_free(&names_blob);
+ x_setbuf(x_stdout, NULL);
+
+ if (request_lm_key)
+ flags |= WBFLAG_PAM_LMKEY;
- /* Heh - this should break the appropriate password hash nicely! */
+ if (request_user_session_key)
+ flags |= WBFLAG_PAM_USER_SESSION_KEY;
- if (break_lmv2)
- lmv2_response.data[0]++;
- else
- ntlmv2_response.data[0]++;
+ flags |= WBFLAG_PAM_NT_STATUS_SQUASH;
nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
opt_workstation,
- &chall,
- &lmv2_response,
- &ntlmv2_response,
+ &opt_challenge,
+ &opt_lm_response,
+ &opt_nt_response,
flags,
- NULL,
- nt_key,
- &error_string);
-
- data_blob_free(&lmv2_response);
- data_blob_free(&ntlmv2_response);
+ (unsigned char *)lm_key,
+ (unsigned char *)user_session_key,
+ &error_string, NULL);
if (!NT_STATUS_IS_OK(nt_status)) {
- d_printf("%s (0x%x)\n",
- error_string,
- NT_STATUS_V(nt_status));
+ x_fprintf(x_stdout, "%s (0x%x)\n",
+ error_string,
+ NT_STATUS_V(nt_status));
SAFE_FREE(error_string);
return False;
}
- return pass;
-}
-
-static BOOL test_ntlmv2_lmv2_broken(void)
-{
- return test_ntlmv2_broken(True);
-}
-
-static BOOL test_ntlmv2_ntlmv2_broken(void)
-{
- return test_ntlmv2_broken(False);
-}
-
-/*
- Tests:
-
- - LM only
- - NT and LM
- - NT
- - NT in LM field
- - NT in both fields
- - NTLMv2
- - NTLMv2 and LMv2
- - LMv2
-
- check we get the correct session key in each case
- check what values we get for the LM session key
-
-*/
-
-struct ntlm_tests {
- BOOL (*fn)(void);
- const char *name;
-} test_table[] = {
- {test_lm, "LM"},
- {test_lm_ntlm, "LM and NTLM"},
- {test_ntlm, "NTLM"},
- {test_ntlm_in_lm, "NTLM in LM"},
- {test_ntlm_in_both, "NTLM in both"},
- {test_ntlmv2, "NTLMv2"},
- {test_lmv2_ntlmv2, "NTLMv2 and LMv2"},
- {test_lmv2, "LMv2"},
- {test_ntlmv2_lmv2_broken, "NTLMv2 and LMv2, LMv2 broken"},
- {test_ntlmv2_ntlmv2_broken, "NTLMv2 and LMv2, NTLMv2 broken"},
- {test_ntlm_lm_broken, "NTLM and LM, LM broken"},
- {test_ntlm_ntlm_broken, "NTLM and LM, NTLM broken"}
-};
-
-static BOOL diagnose_ntlm_auth(void)
-{
- unsigned int i;
- BOOL pass = True;
-
- for (i=0; test_table[i].fn; i++) {
- if (!test_table[i].fn()) {
- DEBUG(1, ("Test %s failed!\n", test_table[i].name));
- pass = False;
- }
+ if (request_lm_key
+ && (memcmp(zeros, lm_key,
+ sizeof(lm_key)) != 0)) {
+ hex_lm_key = hex_encode(NULL, (const unsigned char *)lm_key,
+ sizeof(lm_key));
+ x_fprintf(x_stdout, "LM_KEY: %s\n", hex_lm_key);
+ TALLOC_FREE(hex_lm_key);
+ }
+ if (request_user_session_key
+ && (memcmp(zeros, user_session_key,
+ sizeof(user_session_key)) != 0)) {
+ hex_user_session_key = hex_encode(NULL, (const unsigned char *)user_session_key,
+ sizeof(user_session_key));
+ x_fprintf(x_stdout, "NT_KEY: %s\n", hex_user_session_key);
+ TALLOC_FREE(hex_user_session_key);
}
- return pass;
+ return True;
}
/* Main program */
OPT_NT,
OPT_PASSWORD,
OPT_LM_KEY,
- OPT_NT_KEY,
- OPT_DIAGNOSTICS
+ OPT_USER_SESSION_KEY,
+ OPT_DIAGNOSTICS,
+ OPT_REQUIRE_MEMBERSHIP,
+ OPT_USE_CACHED_CREDS
};
int main(int argc, const char **argv)
static const char *hex_challenge;
static const char *hex_lm_response;
static const char *hex_nt_response;
- char *challenge;
- char *lm_response;
- char *nt_response;
- size_t challenge_len;
- size_t lm_response_len;
- size_t nt_response_len;
poptContext pc;
{ "lm-response", 0, POPT_ARG_STRING, &hex_lm_response, OPT_LM, "LM Response to the challenge (HEX encoded)"},
{ "nt-response", 0, POPT_ARG_STRING, &hex_nt_response, OPT_NT, "NT or NTLMv2 Response to the challenge (HEX encoded)"},
{ "password", 0, POPT_ARG_STRING, &opt_password, OPT_PASSWORD, "User's plaintext password"},
- { "request-lm-key", 0, POPT_ARG_NONE, &request_lm_key, OPT_LM_KEY, "Retreive LM session key"},
- { "request-nt-key", 0, POPT_ARG_NONE, &request_nt_key, OPT_NT_KEY, "Retreive NT session key"},
+ { "request-lm-key", 0, POPT_ARG_NONE, &request_lm_key, OPT_LM_KEY, "Retrieve LM session key"},
+ { "request-nt-key", 0, POPT_ARG_NONE, &request_user_session_key, OPT_USER_SESSION_KEY, "Retrieve User (NT) session key"},
+ { "use-cached-creds", 0, POPT_ARG_NONE, &use_cached_creds, OPT_USE_CACHED_CREDS, "Use cached credentials if no password is given"},
{ "diagnostics", 0, POPT_ARG_NONE, &diagnostics, OPT_DIAGNOSTICS, "Perform diagnostics on the authentictaion chain"},
+ { "require-membership-of", 0, POPT_ARG_STRING, &require_membership_of, OPT_REQUIRE_MEMBERSHIP, "Require that a user be a member of this group (either name or SID) for authentication to succeed" },
POPT_COMMON_SAMBA
POPT_TABLEEND
};
/* Samba client initialisation */
+ load_case_tables();
dbf = x_stderr;
/* Samba client initialisation */
- if (!lp_load(dyn_CONFIGFILE, True, False, False)) {
- d_fprintf(stderr, "wbinfo: error opening config file %s. Error was %s\n",
+ if (!lp_load(dyn_CONFIGFILE, True, False, False, True)) {
+ d_fprintf(stderr, "ntlm_auth: error opening config file %s. Error was %s\n",
dyn_CONFIGFILE, strerror(errno));
exit(1);
}
while((opt = poptGetNextOpt(pc)) != -1) {
switch (opt) {
case OPT_CHALLENGE:
- challenge = smb_xmalloc((strlen(hex_challenge))/2+1);
- if ((challenge_len = strhex_to_str(challenge,
- strlen(hex_challenge),
- hex_challenge)) != 8) {
- x_fprintf(x_stderr, "hex decode of %s failed (only got %u bytes)!\n",
- hex_challenge, challenge_len);
+ opt_challenge = strhex_to_data_blob(NULL, hex_challenge);
+ if (opt_challenge.length != 8) {
+ x_fprintf(x_stderr, "hex decode of %s failed! (only got %d bytes)\n",
+ hex_challenge,
+ (int)opt_challenge.length);
exit(1);
}
- opt_challenge = data_blob(challenge, challenge_len);
- SAFE_FREE(challenge);
break;
case OPT_LM:
- lm_response = smb_xmalloc((strlen(hex_lm_response))/2+1);
- lm_response_len = strhex_to_str(lm_response,
- strlen(hex_lm_response),
- hex_lm_response);
- if (lm_response_len != 24) {
- x_fprintf(x_stderr, "hex decode of %s failed!\n", hex_lm_response);
+ opt_lm_response = strhex_to_data_blob(NULL, hex_lm_response);
+ if (opt_lm_response.length != 24) {
+ x_fprintf(x_stderr, "hex decode of %s failed! (only got %d bytes)\n",
+ hex_lm_response,
+ (int)opt_lm_response.length);
exit(1);
}
- opt_lm_response = data_blob(lm_response, lm_response_len);
- SAFE_FREE(lm_response);
break;
+
case OPT_NT:
- nt_response = smb_xmalloc((strlen(hex_nt_response)+2)/2+1);
- nt_response_len = strhex_to_str(nt_response,
- strlen(hex_nt_response),
- hex_nt_response);
- if (nt_response_len < 24) {
- x_fprintf(x_stderr, "hex decode of %s failed!\n", hex_nt_response);
+ opt_nt_response = strhex_to_data_blob(NULL, hex_nt_response);
+ if (opt_nt_response.length < 24) {
+ x_fprintf(x_stderr, "hex decode of %s failed! (only got %d bytes)\n",
+ hex_nt_response,
+ (int)opt_nt_response.length);
exit(1);
}
- opt_nt_response = data_blob(nt_response, nt_response_len);
- SAFE_FREE(nt_response);
+ break;
+
+ case OPT_REQUIRE_MEMBERSHIP:
+ if (StrnCaseCmp("S-", require_membership_of, 2) == 0) {
+ require_membership_of_sid = require_membership_of;
+ }
break;
}
}
- if (helper_protocol) {
- if (strcmp(helper_protocol, "squid-2.5-ntlmssp")== 0) {
- squid_stream(SQUID_2_5_NTLMSSP);
- } else if (strcmp(helper_protocol, "squid-2.5-basic")== 0) {
- squid_stream(SQUID_2_5_BASIC);
- } else if (strcmp(helper_protocol, "squid-2.4-basic")== 0) {
- squid_stream(SQUID_2_4_BASIC);
- } else if (strcmp(helper_protocol, "gss-spnego")== 0) {
- squid_stream(GSS_SPNEGO);
- } else if (strcmp(helper_protocol, "gss-spnego-client") == 0) {
- squid_stream(GSS_SPNEGO_CLIENT);
+ if (opt_username) {
+ char *domain = SMB_STRDUP(opt_username);
+ char *p = strchr_m(domain, *lp_winbind_separator());
+ if (p) {
+ opt_username = p+1;
+ *p = '\0';
+ if (opt_domain && !strequal(opt_domain, domain)) {
+ x_fprintf(x_stderr, "Domain specified in username (%s) "
+ "doesn't match specified domain (%s)!\n\n",
+ domain, opt_domain);
+ poptPrintHelp(pc, stderr, 0);
+ exit(1);
+ }
+ opt_domain = domain;
} else {
- x_fprintf(x_stderr, "unknown helper protocol [%s]\n", helper_protocol);
- exit(1);
+ SAFE_FREE(domain);
}
}
- if (!opt_username) {
- x_fprintf(x_stderr, "username must be specified!\n\n");
- poptPrintHelp(pc, stderr, 0);
- exit(1);
- }
-
+ /* Note: if opt_domain is "" then send no domain */
if (opt_domain == NULL) {
opt_domain = get_winbind_domain();
}
opt_workstation = "";
}
+ if (helper_protocol) {
+ int i;
+ for (i=0; i<NUM_HELPER_MODES; i++) {
+ if (strcmp(helper_protocol, stdio_helper_protocols[i].name) == 0) {
+ squid_stream(stdio_helper_protocols[i].mode, stdio_helper_protocols[i].fn);
+ exit(0);
+ }
+ }
+ x_fprintf(x_stderr, "unknown helper protocol [%s]\n\nValid helper protools:\n\n", helper_protocol);
+
+ for (i=0; i<NUM_HELPER_MODES; i++) {
+ x_fprintf(x_stderr, "%s\n", stdio_helper_protocols[i].name);
+ }
+
+ exit(1);
+ }
+
+ if (!opt_username || !*opt_username) {
+ x_fprintf(x_stderr, "username must be specified!\n\n");
+ poptPrintHelp(pc, stderr, 0);
+ exit(1);
+ }
+
if (opt_challenge.length) {
if (!check_auth_crap()) {
exit(1);
if (diagnostics) {
if (!diagnose_ntlm_auth()) {
- exit(1);
+ return 1;
}
} else {
fstring user;
fstr_sprintf(user, "%s%c%s", opt_domain, winbind_separator(), opt_username);
if (!check_plaintext_auth(user, opt_password, True)) {
- exit(1);
+ return 1;
}
}