s3:smbd: move negprot related globals to struct smbd_server_connection

metze

9 files changed, 96 insertions, 61 deletions

diff --git a/source3/auth/auth_compat.c b/source3/auth/auth_compat.c
index 925c0d4f81..d8087e6588 100644
--- a/source3/auth/auth_compat.c
+++ b/source3/auth/auth_compat.c
@@ -62,7 +62,8 @@ NTSTATUS check_plaintext_password(const char *smb_name, DATA_BLOB plaintext_pass
 	return nt_status;
 }
 
-static NTSTATUS pass_check_smb(const char *smb_name,
+static NTSTATUS pass_check_smb(struct auth_context *actx,
+			       const char *smb_name,
 			       const char *domain, 
 			       DATA_BLOB lm_pwd,
 			       DATA_BLOB nt_pwd,
@@ -72,14 +73,16 @@ static NTSTATUS pass_check_smb(const char *smb_name,
 {
 	NTSTATUS nt_status;
 	auth_serversupplied_info *server_info = NULL;
-	if (encrypted) {		
+	if (encrypted) {
 		auth_usersupplied_info *user_info = NULL;
+		if (actx == NULL) {
+			return NT_STATUS_INTERNAL_ERROR;
+		}
 		make_user_info_for_reply_enc(&user_info, smb_name, 
 					     domain,
 					     lm_pwd, 
 					     nt_pwd);
-		nt_status = negprot_global_auth_context->check_ntlm_password(negprot_global_auth_context, 
-									     user_info, &server_info);
+		nt_status = actx->check_ntlm_password(actx, user_info, &server_info);
 		free_user_info(&user_info);
 	} else {
 		nt_status = check_plaintext_password(smb_name, plaintext_password, &server_info);
@@ -93,11 +96,12 @@ check if a username/password pair is ok via the auth subsystem.
 return True if the password is correct, False otherwise
 ****************************************************************************/
 
-bool password_ok(const char *smb_name, DATA_BLOB password_blob)
+bool password_ok(struct auth_context *actx, bool global_encrypted,
+		 const char *smb_name, DATA_BLOB password_blob)
 {
 
 	DATA_BLOB null_password = data_blob_null;
-	bool encrypted = (global_encrypted_passwords_negotiated && (password_blob.length == 24 || password_blob.length > 46));
+	bool encrypted = (global_encrypted && (password_blob.length == 24 || password_blob.length > 46));
 
 	if (encrypted) {
 		/* 
@@ -106,23 +110,23 @@ bool password_ok(const char *smb_name, DATA_BLOB password_blob)
 		 * Vista sends NTLMv2 here - we need to try the client given workgroup.
 		 */
 		if (get_session_workgroup()) {
-			if (NT_STATUS_IS_OK(pass_check_smb(smb_name, get_session_workgroup(), null_password, password_blob, null_password, encrypted))) {
+			if (NT_STATUS_IS_OK(pass_check_smb(actx, smb_name, get_session_workgroup(), null_password, password_blob, null_password, encrypted))) {
 				return True;
 			}
-			if (NT_STATUS_IS_OK(pass_check_smb(smb_name, get_session_workgroup(), password_blob, null_password, null_password, encrypted))) {
+			if (NT_STATUS_IS_OK(pass_check_smb(actx, smb_name, get_session_workgroup(), password_blob, null_password, null_password, encrypted))) {
 				return True;
 			}
 		}
 
-		if (NT_STATUS_IS_OK(pass_check_smb(smb_name, lp_workgroup(), null_password, password_blob, null_password, encrypted))) {
+		if (NT_STATUS_IS_OK(pass_check_smb(actx, smb_name, lp_workgroup(), null_password, password_blob, null_password, encrypted))) {
 			return True;
 		}
 
-		if (NT_STATUS_IS_OK(pass_check_smb(smb_name, lp_workgroup(), password_blob, null_password, null_password, encrypted))) {
+		if (NT_STATUS_IS_OK(pass_check_smb(actx, smb_name, lp_workgroup(), password_blob, null_password, null_password, encrypted))) {
 			return True;
 		}
 	} else {
-		if (NT_STATUS_IS_OK(pass_check_smb(smb_name, lp_workgroup(), null_password, null_password, password_blob, encrypted))) {
+		if (NT_STATUS_IS_OK(pass_check_smb(actx, smb_name, lp_workgroup(), null_password, null_password, password_blob, encrypted))) {
 			return True;
 		}
 	}
diff --git a/source3/include/proto.h b/source3/include/proto.h
index 81d254f1ff..8726e97927 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -39,7 +39,8 @@ NTSTATUS auth_builtin_init(void);
 /* The following definitions come from auth/auth_compat.c  */
 
 NTSTATUS check_plaintext_password(const char *smb_name, DATA_BLOB plaintext_password, auth_serversupplied_info **server_info);
-bool password_ok(const char *smb_name, DATA_BLOB password_blob);
+bool password_ok(struct auth_context *actx, bool global_encrypted,
+		 const char *smb_name, DATA_BLOB password_blob);
 
 /* The following definitions come from auth/auth_domain.c  */
 
diff --git a/source3/smbd/globals.c b/source3/smbd/globals.c
index 73a3a15ab8..8126989bbf 100644
--- a/source3/smbd/globals.c
+++ b/source3/smbd/globals.c
@@ -93,11 +93,6 @@ char *last_to = NULL;
 
 struct msg_state *smbd_msg_state = NULL;
 
-bool global_encrypted_passwords_negotiated = false;
-bool global_spnego_negotiated = false;
-struct auth_context *negprot_global_auth_context = NULL;
-bool done_negprot = false;
-
 bool logged_ioctl_message = false;
 
 /* users from session setup */
diff --git a/source3/smbd/globals.h b/source3/smbd/globals.h
index 333f4f12a8..46c52fea12 100644
--- a/source3/smbd/globals.h
+++ b/source3/smbd/globals.h
@@ -91,11 +91,6 @@ extern char *last_to;
 struct msg_state;
 extern struct msg_state *smbd_msg_state;
 
-extern bool global_encrypted_passwords_negotiated;
-extern bool global_spnego_negotiated;
-extern struct auth_context *negprot_global_auth_context;
-extern bool done_negprot;
-
 extern bool logged_ioctl_message;
 
 /* users from session setup */
@@ -330,6 +325,13 @@ struct smbd_server_connection {
 	struct {
 		struct fd_event *fde;
 		uint64_t num_requests;
+		struct {
+			bool encrypted_passwords;
+			bool spnego;
+			struct auth_context *auth_context;
+			bool done;
+		} negprot;
+
 		struct smb_signing_state *signing_state;
 		/* List to store partial SPNEGO auth fragments. */
 		struct pending_auth_data *pd_list;
diff --git a/source3/smbd/negprot.c b/source3/smbd/negprot.c
index 6d15f486df..4e14ee8aad 100644
--- a/source3/smbd/negprot.c
+++ b/source3/smbd/negprot.c
@@ -27,22 +27,28 @@ extern enum protocol_types Protocol;
 static void get_challenge(uint8 buff[8])
 {
 	NTSTATUS nt_status;
+	struct smbd_server_connection *sconn = smbd_server_conn;
 
 	/* We might be called more than once, multiple negprots are
 	 * permitted */
-	if (negprot_global_auth_context) {
-		DEBUG(3, ("get challenge: is this a secondary negprot?  negprot_global_auth_context is non-NULL!\n"));
-		(negprot_global_auth_context->free)(&negprot_global_auth_context);
+	if (sconn->smb1.negprot.auth_context) {
+		DEBUG(3, ("get challenge: is this a secondary negprot? "
+			  "sconn->negprot.auth_context is non-NULL!\n"));
+			sconn->smb1.negprot.auth_context->free(
+				&sconn->smb1.negprot.auth_context);
 	}
 
 	DEBUG(10, ("get challenge: creating negprot_global_auth_context\n"));
-	if (!NT_STATUS_IS_OK(nt_status = make_auth_context_subsystem(&negprot_global_auth_context))) {
-		DEBUG(0, ("make_auth_context_subsystem returned %s", nt_errstr(nt_status)));
+	nt_status = make_auth_context_subsystem(
+		&sconn->smb1.negprot.auth_context);
+	if (!NT_STATUS_IS_OK(nt_status)) {
+		DEBUG(0, ("make_auth_context_subsystem returned %s",
+			  nt_errstr(nt_status)));
 		smb_panic("cannot make_negprot_global_auth_context!");
 	}
 	DEBUG(10, ("get challenge: getting challenge\n"));
-	negprot_global_auth_context->get_ntlm_challenge(
-		negprot_global_auth_context, buff);
+	sconn->smb1.negprot.auth_context->get_ntlm_challenge(
+		sconn->smb1.negprot.auth_context, buff);
 }
 
 /****************************************************************************
@@ -86,20 +92,23 @@ static void reply_lanman1(struct smb_request *req, uint16 choice)
 	int raw = (lp_readraw()?1:0) | (lp_writeraw()?2:0);
 	int secword=0;
 	time_t t = time(NULL);
+	struct smbd_server_connection *sconn = smbd_server_conn;
 
-	global_encrypted_passwords_negotiated = lp_encrypted_passwords();
+	sconn->smb1.negprot.encrypted_passwords = lp_encrypted_passwords();
 
-	if (lp_security()>=SEC_USER)
+	if (lp_security()>=SEC_USER) {
 		secword |= NEGOTIATE_SECURITY_USER_LEVEL;
-	if (global_encrypted_passwords_negotiated)
+	}
+	if (sconn->smb1.negprot.encrypted_passwords) {
 		secword |= NEGOTIATE_SECURITY_CHALLENGE_RESPONSE;
+	}
 
-	reply_outbuf(req, 13, global_encrypted_passwords_negotiated?8:0);
+	reply_outbuf(req, 13, sconn->smb1.negprot.encrypted_passwords?8:0);
 
 	SSVAL(req->outbuf,smb_vwv0,choice);
 	SSVAL(req->outbuf,smb_vwv1,secword);
 	/* Create a token value and add it to the outgoing packet. */
-	if (global_encrypted_passwords_negotiated) {
+	if (sconn->smb1.negprot.encrypted_passwords) {
 		get_challenge((uint8 *)smb_buf(req->outbuf));
 		SSVAL(req->outbuf,smb_vwv11, 8);
 	}
@@ -130,22 +139,25 @@ static void reply_lanman2(struct smb_request *req, uint16 choice)
 	int raw = (lp_readraw()?1:0) | (lp_writeraw()?2:0);
 	int secword=0;
 	time_t t = time(NULL);
+	struct smbd_server_connection *sconn = smbd_server_conn;
 
-	global_encrypted_passwords_negotiated = lp_encrypted_passwords();
+	sconn->smb1.negprot.encrypted_passwords = lp_encrypted_passwords();
   
-	if (lp_security()>=SEC_USER)
+	if (lp_security()>=SEC_USER) {
 		secword |= NEGOTIATE_SECURITY_USER_LEVEL;
-	if (global_encrypted_passwords_negotiated)
+	}
+	if (sconn->smb1.negprot.encrypted_passwords) {
 		secword |= NEGOTIATE_SECURITY_CHALLENGE_RESPONSE;
+	}
 
-	reply_outbuf(req, 13, global_encrypted_passwords_negotiated?8:0);
+	reply_outbuf(req, 13, sconn->smb1.negprot.encrypted_passwords?8:0);
 
 	SSVAL(req->outbuf,smb_vwv0,choice);
 	SSVAL(req->outbuf,smb_vwv1,secword);
 	SIVAL(req->outbuf,smb_vwv6,sys_getpid());
 
 	/* Create a token value and add it to the outgoing packet. */
-	if (global_encrypted_passwords_negotiated) {
+	if (sconn->smb1.negprot.encrypted_passwords) {
 		get_challenge((uint8 *)smb_buf(req->outbuf));
 		SSVAL(req->outbuf,smb_vwv11, 8);
 	}
@@ -180,8 +192,9 @@ DATA_BLOB negprot_spnego(void)
 				   OID_NTLMSSP,
 				   NULL};
 	const char *OIDs_plain[] = {OID_NTLMSSP, NULL};
+	struct smbd_server_connection *sconn = smbd_server_conn;
 
-	global_spnego_negotiated = True;
+	sconn->smb1.negprot.spnego = true;
 
 	memset(guid, '\0', sizeof(guid));
 
@@ -250,8 +263,9 @@ static void reply_nt1(struct smb_request *req, uint16 choice)
 	bool negotiate_spnego = False;
 	time_t t = time(NULL);
 	ssize_t ret;
+	struct smbd_server_connection *sconn = smbd_server_conn;
 
-	global_encrypted_passwords_negotiated = lp_encrypted_passwords();
+	sconn->smb1.negprot.encrypted_passwords = lp_encrypted_passwords();
 
 	/* Check the flags field to see if this is Vista.
 	   WinXP sets it and Vista does not. But we have to 
@@ -270,7 +284,7 @@ static void reply_nt1(struct smb_request *req, uint16 choice)
 	/* do spnego in user level security if the client
 	   supports it and we can do encrypted passwords */
 	
-	if (global_encrypted_passwords_negotiated && 
+	if (sconn->smb1.negprot.encrypted_passwords &&
 	    (lp_security() != SEC_SHARE) &&
 	    lp_use_spnego() &&
 	    (req->flags2 & FLAGS2_EXTENDED_SECURITY)) {
@@ -304,11 +318,13 @@ static void reply_nt1(struct smb_request *req, uint16 choice)
 	if (lp_host_msdfs())
 		capabilities |= CAP_DFS;
 	
-	if (lp_security() >= SEC_USER)
+	if (lp_security() >= SEC_USER) {
 		secword |= NEGOTIATE_SECURITY_USER_LEVEL;
-	if (global_encrypted_passwords_negotiated)
+	}
+	if (sconn->smb1.negprot.encrypted_passwords) {
 		secword |= NEGOTIATE_SECURITY_CHALLENGE_RESPONSE;
-	
+	}
+
 	if (lp_server_signing()) {
 	       	if (lp_security() >= SEC_USER) {
 			secword |= NEGOTIATE_SECURITY_SIGNATURES_ENABLED;
@@ -342,7 +358,7 @@ static void reply_nt1(struct smb_request *req, uint16 choice)
 	p = q = smb_buf(req->outbuf);
 	if (!negotiate_spnego) {
 		/* Create a token value and add it to the outgoing packet. */
-		if (global_encrypted_passwords_negotiated) {
+		if (sconn->smb1.negprot.encrypted_passwords) {
 			uint8 chal[8];
 			/* note that we do not send a challenge at all if
 			   we are using plaintext */
@@ -511,14 +527,15 @@ void reply_negprot(struct smb_request *req)
 	char **cliprotos;
 	int i;
 	size_t converted_size;
+	struct smbd_server_connection *sconn = smbd_server_conn;
 
 	START_PROFILE(SMBnegprot);
 
-	if (done_negprot) {
+	if (sconn->smb1.negprot.done) {
 		END_PROFILE(SMBnegprot);
 		exit_server_cleanly("multiple negprot's are not permitted");
 	}
-	done_negprot = True;
+	sconn->smb1.negprot.done = true;
 
 	if (req->buflen == 0) {
 		DEBUG(0, ("negprot got no protocols\n"));
diff --git a/source3/smbd/password.c b/source3/smbd/password.c
index 076965e783..460cba35a0 100644
--- a/source3/smbd/password.c
+++ b/source3/smbd/password.c
@@ -581,11 +581,14 @@ static char *validate_group(char *group, DATA_BLOB password,int snum)
 #ifdef HAVE_NETGROUP
 	{
 		char *host, *user, *domain;
+		struct smbd_server_connection *sconn = smbd_server_conn;
+		struct auth_context *actx = sconn->smb1.negprot.auth_context;
+		bool enc = sconn->smb1.negprot.encrypted_passwords;
 		setnetgrent(group);
 		while (getnetgrent(&host, &user, &domain)) {
 			if (user) {
 				if (user_ok(user, snum) && 
-				    password_ok(user,password)) {
+				    password_ok(actx, enc, user,password)) {
 					endnetgrent();
 					return(user);
 				}
@@ -598,6 +601,10 @@ static char *validate_group(char *group, DATA_BLOB password,int snum)
 #ifdef HAVE_GETGRENT
 	{
 		struct group *gptr;
+		struct smbd_server_connection *sconn = smbd_server_conn;
+		struct auth_context *actx = sconn->smb1.negprot.auth_context;
+		bool enc = sconn->smb1.negprot.encrypted_passwords;
+
 		setgrent();
 		while ((gptr = (struct group *)getgrent())) {
 			if (strequal(gptr->gr_name,group))
@@ -646,7 +653,7 @@ static char *validate_group(char *group, DATA_BLOB password,int snum)
 			member = member_list;
 			while (*member) {
 				if (user_ok(member,snum) &&
-				    password_ok(member,password)) {
+				    password_ok(actx, enc, member,password)) {
 					char *name = talloc_strdup(talloc_tos(),
 								member);
 					SAFE_FREE(member_list);
@@ -678,6 +685,9 @@ bool authorise_login(int snum, fstring user, DATA_BLOB password,
 		     bool *guest)
 {
 	bool ok = False;
+	struct smbd_server_connection *sconn = smbd_server_conn;
+	struct auth_context *actx = sconn->smb1.negprot.auth_context;
+	bool enc = sconn->smb1.negprot.encrypted_passwords;
 
 #ifdef DEBUG_PASSWORD
 	DEBUG(100,("authorise_login: checking authorisation on "
@@ -722,7 +732,7 @@ bool authorise_login(int snum, fstring user, DATA_BLOB password,
 			if (!user_ok(user2,snum))
 				continue;
 
-			if (password_ok(user2,password)) {
+			if (password_ok(actx, enc, user2,password)) {
 				ok = True;
 				fstrcpy(user,user2);
 				DEBUG(3,("authorise_login: ACCEPTED: session "
@@ -770,7 +780,7 @@ bool authorise_login(int snum, fstring user, DATA_BLOB password,
 				fstring user2;
 				fstrcpy(user2,auser);
 				if (user_ok(user2,snum) &&
-				    password_ok(user2,password)) {
+				    password_ok(actx, enc, user2,password)) {
 					ok = True;
 					fstrcpy(user,user2);
 					DEBUG(3,("authorise_login: ACCEPTED: "
diff --git a/source3/smbd/reply.c b/source3/smbd/reply.c
index 8657bd6e18..f6d5f11f13 100644
--- a/source3/smbd/reply.c
+++ b/source3/smbd/reply.c
@@ -685,6 +685,7 @@ void reply_tcon_and_X(struct smb_request *req)
 	char *path = NULL;
 	const char *p, *q;
 	uint16 tcon_flags;
+	struct smbd_server_connection *sconn = smbd_server_conn;
 
 	START_PROFILE(SMBtconX);
 
@@ -710,7 +711,7 @@ void reply_tcon_and_X(struct smb_request *req)
 		return;
 	}
 
-	if (global_encrypted_passwords_negotiated) {
+	if (sconn->smb1.negprot.encrypted_passwords) {
 		password = data_blob_talloc(talloc_tos(), req->buf, passlen);
 		if (lp_security() == SEC_SHARE) {
 			/*
diff --git a/source3/smbd/server.c b/source3/smbd/server.c
index 685b26fa1a..b357b97f8a 100644
--- a/source3/smbd/server.c
+++ b/source3/smbd/server.c
@@ -785,6 +785,7 @@ static void exit_server_common(enum server_exit_reason how,
 	const char *const reason)
 {
 	bool had_open_conn;
+	struct smbd_server_connection *sconn = smbd_server_conn;
 
 	if (!exit_firsttime)
 		exit(0);
@@ -792,8 +793,9 @@ static void exit_server_common(enum server_exit_reason how,
 
 	change_to_root_user();
 
-	if (negprot_global_auth_context) {
-		(negprot_global_auth_context->free)(&negprot_global_auth_context);
+	if (sconn && sconn->smb1.negprot.auth_context) {
+		struct auth_context *a = sconn->smb1.negprot.auth_context;
+		a->free(&sconn->smb1.negprot.auth_context);
 	}
 
 	had_open_conn = conn_close_all();
diff --git a/source3/smbd/sesssetup.c b/source3/smbd/sesssetup.c
index e82de0ae98..8a517994cc 100644
--- a/source3/smbd/sesssetup.c
+++ b/source3/smbd/sesssetup.c
@@ -1388,8 +1388,9 @@ void reply_sesssetup_and_X(struct smb_request *req)
 	uint16 smb_flag2 = req->flags2;
 
 	NTSTATUS nt_status;
+	struct smbd_server_connection *sconn = smbd_server_conn;
 
-	bool doencrypt = global_encrypted_passwords_negotiated;
+	bool doencrypt = sconn->smb1.negprot.encrypted_passwords;
 
 	START_PROFILE(SMBsesssetupX);
 
@@ -1404,7 +1405,7 @@ void reply_sesssetup_and_X(struct smb_request *req)
 	if (req->wct == 12 &&
 	    (req->flags2 & FLAGS2_EXTENDED_SECURITY)) {
 
-		if (!global_spnego_negotiated) {
+		if (!sconn->smb1.negprot.spnego) {
 			DEBUG(0,("reply_sesssetup_and_X:  Rejecting attempt "
 				 "at SPNEGO session setup when it was not "
 				 "negotiated.\n"));
@@ -1619,7 +1620,7 @@ void reply_sesssetup_and_X(struct smb_request *req)
 				domain, user, get_remote_machine_name()));
 
 	if (*user) {
-		if (global_spnego_negotiated) {
+		if (sconn->smb1.negprot.spnego) {
 
 			/* This has to be here, because this is a perfectly
 			 * valid behaviour for guest logons :-( */
@@ -1660,7 +1661,9 @@ void reply_sesssetup_and_X(struct smb_request *req)
 		nt_status = check_guest_password(&server_info);
 
 	} else if (doencrypt) {
-		if (!negprot_global_auth_context) {
+		struct auth_context *negprot_auth_context = NULL;
+		negprot_auth_context = sconn->smb1.negprot.auth_context;
+		if (!negprot_auth_context) {
 			DEBUG(0, ("reply_sesssetup_and_X:  Attempted encrypted "
 				"session setup without negprot denied!\n"));
 			reply_nterror(req, nt_status_squash(
@@ -1672,8 +1675,8 @@ void reply_sesssetup_and_X(struct smb_request *req)
 						domain,
 						lm_resp, nt_resp);
 		if (NT_STATUS_IS_OK(nt_status)) {
-			nt_status = negprot_global_auth_context->check_ntlm_password(
-					negprot_global_auth_context,
+			nt_status = negprot_auth_context->check_ntlm_password(
+					negprot_auth_context,
 					user_info,
 					&server_info);
 		}