273 build_avpair_blob(struct cifs_ses *ses, const struct nls_table *nls_cp)  in build_avpair_blob()  argument
281 	if (!ses->domainName) {  in build_avpair_blob()
282 		ses->domainName = kstrdup(defdmname, GFP_KERNEL);  in build_avpair_blob()
283 		if (!ses->domainName)  in build_avpair_blob()
287 	dlen = strlen(ses->domainName);  in build_avpair_blob()
295 	kfree_sensitive(ses->auth_key.response);  in build_avpair_blob()
296 	ses->auth_key.len = size + 2 * dlen;  in build_avpair_blob()
297 	ses->auth_key.response = kzalloc(ses->auth_key.len, GFP_KERNEL);  in build_avpair_blob()
298 	if (!ses->auth_key.response) {  in build_avpair_blob()
299 		ses->auth_key.len = 0;  in build_avpair_blob()
303 	blobptr = ses->auth_key.response;  in build_avpair_blob()
313 	cifs_strtoUTF16((__le16 *)blobptr, ses->domainName, dlen, nls_cp);  in build_avpair_blob()
322 #define av_for_each_entry(ses, av) \  argument
323 	for (av = NULL; (av = find_next_av(ses, av));)
325 static struct ntlmssp2_name *find_next_av(struct cifs_ses *ses,  in find_next_av()  argument
331 	end = (u8 *)ses->auth_key.response + ses->auth_key.len;  in find_next_av()
333 		if (unlikely(!ses->auth_key.response || !ses->auth_key.len))  in find_next_av()
335 		av = (void *)ses->auth_key.response;  in find_next_av()
355 static int find_av_name(struct cifs_ses *ses, u16 type, char **name, u16 maxlen)  in find_av_name()  argument
357 	const struct nls_table *nlsc = ses->local_nls;  in find_av_name()
364 	av_for_each_entry(ses, av) {  in find_av_name()
393 static __le64 find_timestamp(struct cifs_ses *ses)  in find_timestamp()  argument
398 	av_for_each_entry(ses, av) {  in find_timestamp()
407 static int calc_ntlmv2_hash(struct cifs_ses *ses, char *ntlmv2_hash,  in calc_ntlmv2_hash()  argument
418 	E_md4hash(ses->password, nt_hash, nls_cp);  in calc_ntlmv2_hash()
433 	len = ses->user_name ? strlen(ses->user_name) : 0;  in calc_ntlmv2_hash()
439 		len = cifs_strtoUTF16(user, ses->user_name, len, nls_cp);  in calc_ntlmv2_hash()
453 	if (ses->domainName) {  in calc_ntlmv2_hash()
454 		len = strlen(ses->domainName);  in calc_ntlmv2_hash()
460 		len = cifs_strtoUTF16((__le16 *)domain, ses->domainName, len,  in calc_ntlmv2_hash()
470 		len = strlen(ses->ip_addr);  in calc_ntlmv2_hash()
476 		len = cifs_strtoUTF16((__le16 *)server, ses->ip_addr, len, nls_cp);  in calc_ntlmv2_hash()
493 CalcNTLMv2_response(const struct cifs_ses *ses, char *ntlmv2_hash, struct shash_desc *hmacmd5)  in CalcNTLMv2_response()  argument
497 	    (ses->auth_key.response + CIFS_SESS_KEY_SIZE);  in CalcNTLMv2_response()
501 	hash_len = ses->auth_key.len - (CIFS_SESS_KEY_SIZE +  in CalcNTLMv2_response()
516 	if (ses->server->negflavor == CIFS_NEGFLAVOR_EXTENDED)  in CalcNTLMv2_response()
517 		memcpy(ntlmv2->challenge.key, ses->ntlmssp->cryptkey, CIFS_SERVER_CHALLENGE_SIZE);  in CalcNTLMv2_response()
519 		memcpy(ntlmv2->challenge.key, ses->server->cryptkey, CIFS_SERVER_CHALLENGE_SIZE);  in CalcNTLMv2_response()
539 static int set_auth_key_response(struct cifs_ses *ses)  in set_auth_key_response()  argument
543 	struct TCP_Server_Info *server = ses->server;  in set_auth_key_response()
560 	av_for_each_entry(ses, av)  in set_auth_key_response()
570 	memcpy(rsp + baselen, ses->auth_key.response, tilen);  in set_auth_key_response()
574 	cifs_strtoUTF16((__le16 *)av->data, spn, spnlen, ses->local_nls);  in set_auth_key_response()
580 	ses->auth_key.len = len;  in set_auth_key_response()
582 	ses->auth_key.response = rsp;  in set_auth_key_response()
587 setup_ntlmv2_rsp(struct cifs_ses *ses, const struct nls_table *nls_cp)  in setup_ntlmv2_rsp()  argument
602 	if (ses->server->negflavor == CIFS_NEGFLAVOR_EXTENDED) {  in setup_ntlmv2_rsp()
603 		if (!ses->domainName) {  in setup_ntlmv2_rsp()
604 			if (ses->domainAuto) {  in setup_ntlmv2_rsp()
611 				rc = find_av_name(ses, NTLMSSP_AV_NB_DOMAIN_NAME,  in setup_ntlmv2_rsp()
612 						  &ses->domainName,  in setup_ntlmv2_rsp()
617 				ses->domainName = kstrdup("", GFP_KERNEL);  in setup_ntlmv2_rsp()
618 				if (!ses->domainName) {  in setup_ntlmv2_rsp()
624 		rc = find_av_name(ses, NTLMSSP_AV_DNS_DOMAIN_NAME,  in setup_ntlmv2_rsp()
625 				  &ses->dns_dom, CIFS_MAX_DOMAINNAME_LEN);  in setup_ntlmv2_rsp()
629 		rc = build_avpair_blob(ses, nls_cp);  in setup_ntlmv2_rsp()
640 	rsp_timestamp = find_timestamp(ses);  in setup_ntlmv2_rsp()
643 	cifs_server_lock(ses->server);  in setup_ntlmv2_rsp()
645 	tiblob = ses->auth_key.response;  in setup_ntlmv2_rsp()
646 	rc = set_auth_key_response(ses);  in setup_ntlmv2_rsp()
648 		ses->auth_key.len = 0;  in setup_ntlmv2_rsp()
653 			(ses->auth_key.response + CIFS_SESS_KEY_SIZE);  in setup_ntlmv2_rsp()
667 	rc = calc_ntlmv2_hash(ses, ntlmv2_hash, nls_cp, hmacmd5);  in setup_ntlmv2_rsp()
674 	rc = CalcNTLMv2_response(ses, ntlmv2_hash, hmacmd5);  in setup_ntlmv2_rsp()
699 	rc = crypto_shash_final(hmacmd5, ses->auth_key.response);  in setup_ntlmv2_rsp()
703 	cifs_server_unlock(ses->server);  in setup_ntlmv2_rsp()
712 calc_seckey(struct cifs_ses *ses)  in calc_seckey()  argument
728 	cifs_arc4_setkey(ctx_arc4, ses->auth_key.response, CIFS_SESS_KEY_SIZE);  in calc_seckey()
729 	cifs_arc4_crypt(ctx_arc4, ses->ntlmssp->ciphertext, sec_key,  in calc_seckey()
733 	memcpy(ses->auth_key.response, sec_key, CIFS_SESS_KEY_SIZE);  in calc_seckey()
735 	ses->auth_key.len = CIFS_SESS_KEY_SIZE;  in calc_seckey()