Reply to a session setup command.
****************************************************************************/
+struct reply_sesssetup_and_X_state {
+ struct smb_request *req;
+ struct auth4_context *auth_context;
+ struct auth_usersupplied_info *user_info;
+ const char *user;
+ const char *domain;
+ DATA_BLOB lm_resp;
+ DATA_BLOB nt_resp;
+ DATA_BLOB plaintext_password;
+};
+
+static int reply_sesssetup_and_X_state_destructor(
+ struct reply_sesssetup_and_X_state *state)
+{
+ data_blob_clear_free(&state->nt_resp);
+ data_blob_clear_free(&state->lm_resp);
+ data_blob_clear_free(&state->plaintext_password);
+ return 0;
+}
+
void reply_sesssetup_and_X(struct smb_request *req)
{
+ struct reply_sesssetup_and_X_state *state = NULL;
uint64_t sess_vuid;
uint16_t smb_bufsize;
- DATA_BLOB lm_resp;
- DATA_BLOB nt_resp;
- DATA_BLOB plaintext_password;
char *tmp;
- const char *user;
fstring sub_user; /* Sanitised username for substituion */
- const char *domain;
const char *native_os;
const char *native_lanman;
const char *primary_domain;
- struct auth_usersupplied_info *user_info = NULL;
struct auth_session_info *session_info = NULL;
uint16_t smb_flag2 = req->flags2;
uint16_t action = 0;
START_PROFILE(SMBsesssetupX);
- ZERO_STRUCT(lm_resp);
- ZERO_STRUCT(nt_resp);
- ZERO_STRUCT(plaintext_password);
-
DEBUG(3,("wct=%d flg2=0x%x\n", req->wct, req->flags2));
+ state = talloc_zero(req, struct reply_sesssetup_and_X_state);
+ if (state == NULL) {
+ reply_nterror(req, NT_STATUS_NO_MEMORY);
+ END_PROFILE(SMBsesssetupX);
+ return;
+ }
+ state->req = req;
+ talloc_set_destructor(state, reply_sesssetup_and_X_state_destructor);
+
if (req->flags2 & FLAGS2_SMB_SECURITY_SIGNATURES) {
signing_allowed = true;
}
}
if (doencrypt) {
- lm_resp = data_blob(req->buf, passlen1);
+ state->lm_resp = data_blob_talloc(state,
+ req->buf,
+ passlen1);
} else {
- plaintext_password = data_blob(req->buf, passlen1+1);
+ state->plaintext_password = data_blob_talloc(state,
+ req->buf,
+ passlen1+1);
/* Ensure null termination */
- plaintext_password.data[passlen1] = 0;
+ state->plaintext_password.data[passlen1] = 0;
}
- srvstr_pull_req_talloc(talloc_tos(), req, &tmp,
+ srvstr_pull_req_talloc(state, req, &tmp,
req->buf + passlen1, STR_TERMINATE);
- user = tmp ? tmp : "";
+ state->user = tmp ? tmp : "";
- domain = "";
+ state->domain = "";
} else {
uint16_t passlen1 = SVAL(req->vwv+7, 0);
}
if (doencrypt) {
- lm_resp = data_blob(p, passlen1);
- nt_resp = data_blob(p+passlen1, passlen2);
+ state->lm_resp = data_blob_talloc(state, p, passlen1);
+ state->nt_resp = data_blob_talloc(state, p+passlen1, passlen2);
} else {
char *pass = NULL;
bool unic= smb_flag2 & FLAGS2_UNICODE_STRINGS;
if (unic && (passlen2 == 0) && passlen1) {
/* Only a ascii plaintext password was sent. */
- (void)srvstr_pull_talloc(talloc_tos(),
+ (void)srvstr_pull_talloc(state,
req->inbuf,
req->flags2,
&pass,
passlen1,
STR_TERMINATE|STR_ASCII);
} else {
- (void)srvstr_pull_talloc(talloc_tos(),
+ (void)srvstr_pull_talloc(state,
req->inbuf,
req->flags2,
&pass,
END_PROFILE(SMBsesssetupX);
return;
}
- plaintext_password = data_blob(pass, strlen(pass)+1);
+ state->plaintext_password = data_blob_talloc(state,
+ pass,
+ strlen(pass)+1);
}
p += passlen1 + passlen2;
- p += srvstr_pull_req_talloc(talloc_tos(), req, &tmp, p,
+ p += srvstr_pull_req_talloc(state, req, &tmp, p,
STR_TERMINATE);
- user = tmp ? tmp : "";
+ state->user = tmp ? tmp : "";
- p += srvstr_pull_req_talloc(talloc_tos(), req, &tmp, p,
+ p += srvstr_pull_req_talloc(state, req, &tmp, p,
STR_TERMINATE);
- domain = tmp ? tmp : "";
+ state->domain = tmp ? tmp : "";
p += srvstr_pull_req_talloc(talloc_tos(), req, &tmp, p,
STR_TERMINATE);
DEBUG(3,("Domain=[%s] NativeOS=[%s] NativeLanMan=[%s] "
"PrimaryDomain=[%s]\n",
- domain, native_os, native_lanman, primary_domain));
+ state->domain, native_os, native_lanman, primary_domain));
if ( ra_type == RA_WIN2K ) {
if ( strlen(native_lanman) == 0 )
}
DEBUG(3,("sesssetupX:name=[%s]\\[%s]@[%s]\n",
- domain, user, get_remote_machine_name()));
+ state->domain, state->user, get_remote_machine_name()));
- if (*user) {
+ if (*state->user) {
if (xconn->smb1.negprot.spnego) {
/* This has to be here, because this is a perfectly
END_PROFILE(SMBsesssetupX);
return;
}
- fstrcpy(sub_user, user);
+ fstrcpy(sub_user, state->user);
} else {
fstrcpy(sub_user, "");
}
reload_services(sconn, conn_snum_used, true);
- if (!*user) {
- struct auth4_context *auth_context = NULL;
-
+ if (!*state->user) {
DEBUG(3,("Got anonymous request\n"));
- nt_status = make_auth4_context(talloc_tos(), &auth_context);
+ nt_status = make_auth4_context(state, &state->auth_context);
if (NT_STATUS_IS_OK(nt_status)) {
uint8_t chal[8];
- auth_context->get_ntlm_challenge(auth_context,
- chal);
+ state->auth_context->get_ntlm_challenge(
+ state->auth_context, chal);
- if (!make_user_info_guest(talloc_tos(),
+ if (!make_user_info_guest(state,
sconn->remote_address,
sconn->local_address,
- "SMB", &user_info)) {
+ "SMB", &state->user_info)) {
nt_status = NT_STATUS_NO_MEMORY;
}
if (NT_STATUS_IS_OK(nt_status)) {
- user_info->auth_description = "guest";
- nt_status = auth_check_password_session_info(
- auth_context,
- req, user_info,
- &session_info);
+ state->user_info->auth_description = "guest";
}
- TALLOC_FREE(auth_context);
}
} else if (doencrypt) {
- struct auth4_context *negprot_auth_context = NULL;
- negprot_auth_context = xconn->smb1.negprot.auth_context;
- if (!negprot_auth_context) {
+ state->auth_context = xconn->smb1.negprot.auth_context;
+ if (state->auth_context == NULL) {
DEBUG(0, ("reply_sesssetup_and_X: Attempted encrypted "
"session setup without negprot denied!\n"));
reply_nterror(req, nt_status_squash(
END_PROFILE(SMBsesssetupX);
return;
}
- nt_status = make_user_info_for_reply_enc(talloc_tos(),
- &user_info, user,
- domain,
+ nt_status = make_user_info_for_reply_enc(state,
+ &state->user_info,
+ state->user,
+ state->domain,
sconn->remote_address,
sconn->local_address,
"SMB",
- lm_resp, nt_resp);
+ state->lm_resp,
+ state->nt_resp);
if (NT_STATUS_IS_OK(nt_status)) {
- user_info->auth_description = "bare-NTLM";
- nt_status = auth_check_password_session_info(negprot_auth_context,
- req, user_info, &session_info);
+ state->user_info->auth_description = "bare-NTLM";
}
} else {
- struct auth4_context *plaintext_auth_context = NULL;
-
- nt_status = make_auth4_context(
- talloc_tos(), &plaintext_auth_context);
-
+ nt_status = make_auth4_context(state, &state->auth_context);
if (NT_STATUS_IS_OK(nt_status)) {
uint8_t chal[8];
- plaintext_auth_context->get_ntlm_challenge(
- plaintext_auth_context, chal);
+ state->auth_context->get_ntlm_challenge(
+ state->auth_context, chal);
- if (!make_user_info_for_reply(talloc_tos(),
- &user_info,
- user, domain,
+ if (!make_user_info_for_reply(state,
+ &state->user_info,
+ state->user,
+ state->domain,
sconn->remote_address,
sconn->local_address,
"SMB",
chal,
- plaintext_password)) {
+ state->plaintext_password)) {
nt_status = NT_STATUS_NO_MEMORY;
}
if (NT_STATUS_IS_OK(nt_status)) {
- user_info->auth_description = "plaintext";
- nt_status = auth_check_password_session_info(plaintext_auth_context,
- req, user_info, &session_info);
+ state->user_info->auth_description = "plaintext";
}
- TALLOC_FREE(plaintext_auth_context);
}
}
- TALLOC_FREE(user_info);
-
if (!NT_STATUS_IS_OK(nt_status)) {
- data_blob_free(&nt_resp);
- data_blob_free(&lm_resp);
- data_blob_clear_free(&plaintext_password);
reply_nterror(req, nt_status_squash(nt_status));
END_PROFILE(SMBsesssetupX);
return;
}
- data_blob_clear_free(&plaintext_password);
+ nt_status = auth_check_password_session_info(state->auth_context,
+ req, state->user_info,
+ &session_info);
+ TALLOC_FREE(state->user_info);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ reply_nterror(req, nt_status_squash(nt_status));
+ END_PROFILE(SMBsesssetupX);
+ return;
+ }
/* it's ok - setup a reply */
reply_outbuf(req, 3, 0);
nt_status = smbXsrv_session_create(xconn,
now, &session);
if (!NT_STATUS_IS_OK(nt_status)) {
- data_blob_free(&nt_resp);
- data_blob_free(&lm_resp);
reply_nterror(req, nt_status_squash(nt_status));
END_PROFILE(SMBsesssetupX);
return;
data_blob_dup_talloc(session->global,
session_info->session_key);
if (session->global->signing_key.data == NULL) {
- data_blob_free(&nt_resp);
- data_blob_free(&lm_resp);
TALLOC_FREE(session);
reply_nterror(req, NT_STATUS_NO_MEMORY);
END_PROFILE(SMBsesssetupX);
sizeof(session_key));
ZERO_STRUCT(session_key);
if (session->global->application_key.data == NULL) {
- data_blob_free(&nt_resp);
- data_blob_free(&lm_resp);
TALLOC_FREE(session);
reply_nterror(req, NT_STATUS_NO_MEMORY);
END_PROFILE(SMBsesssetupX);
session_info->session_key = data_blob_dup_talloc(session_info,
session->global->application_key);
if (session_info->session_key.data == NULL) {
- data_blob_free(&nt_resp);
- data_blob_free(&lm_resp);
TALLOC_FREE(session);
reply_nterror(req, NT_STATUS_NO_MEMORY);
END_PROFILE(SMBsesssetupX);
session->compat = talloc_zero(session, struct user_struct);
if (session->compat == NULL) {
- data_blob_free(&nt_resp);
- data_blob_free(&lm_resp);
TALLOC_FREE(session);
reply_nterror(req, NT_STATUS_NO_MEMORY);
END_PROFILE(SMBsesssetupX);
*/
srv_set_signing(xconn,
session->global->signing_key,
- nt_resp.data ? nt_resp : lm_resp);
+ state->nt_resp.data ? state->nt_resp : state->lm_resp);
}
set_current_user_info(session_info->unix_info->sanitized_username,
DEBUG(0, ("smb1: Failed to update session for vuid=%llu - %s\n",
(unsigned long long)session->compat->vuid,
nt_errstr(nt_status)));
- data_blob_free(&nt_resp);
- data_blob_free(&lm_resp);
TALLOC_FREE(session);
reply_nterror(req, nt_status_squash(nt_status));
END_PROFILE(SMBsesssetupX);
if (!session_claim(session)) {
DEBUG(1, ("smb1: Failed to claim session for vuid=%llu\n",
(unsigned long long)session->compat->vuid));
- data_blob_free(&nt_resp);
- data_blob_free(&lm_resp);
TALLOC_FREE(session);
reply_nterror(req, NT_STATUS_LOGON_FAILURE);
END_PROFILE(SMBsesssetupX);
sess_vuid = session->global->session_wire_id;
- data_blob_free(&nt_resp);
- data_blob_free(&lm_resp);
-
SSVAL(req->outbuf,smb_vwv2,action);
SSVAL(req->outbuf,smb_uid,sess_vuid);
SSVAL(discard_const_p(char, req->inbuf),smb_uid,sess_vuid);
xconn->smb1.sessions.done_sesssetup = true;
}
+ TALLOC_FREE(state);
END_PROFILE(SMBsesssetupX);
}
git.samba.org / sfrench / samba-autobuild / .git / blobdiff