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-rw-r--r--source3/smbd/server.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/source3/smbd/server.c b/source3/smbd/server.c
index fe0868b34a..65e620c7f0 100644
--- a/source3/smbd/server.c
+++ b/source3/smbd/server.c
@@ -2638,6 +2638,11 @@ int reply_lanman1(char *outbuf)
int secword=0;
BOOL doencrypt = SMBENCRYPT();
time_t t = time(NULL);
+ /* We need to save and restore this as it can be destroyed
+ if we call another server if security=server
+ Thanks to Paul Nelson @ Thursby for pointing this out.
+ */
+ uint16 mid = SVAL(outbuf, smb_mid);
if (lp_security()>=SEC_USER) secword |= 1;
if (doencrypt) secword |= 2;
@@ -2660,6 +2665,7 @@ int reply_lanman1(char *outbuf)
}
CVAL(outbuf,smb_flg) = 0x81; /* Reply, SMBlockread, SMBwritelock supported */
+ SSVAL(outbuf,smb_mid,mid); /* Restore possibly corrupted mid */
SSVAL(outbuf,smb_vwv2,max_recv);
SSVAL(outbuf,smb_vwv3,lp_maxmux()); /* maxmux */
SSVAL(outbuf,smb_vwv4,1);
@@ -2683,6 +2689,11 @@ int reply_lanman2(char *outbuf)
int secword=0;
BOOL doencrypt = SMBENCRYPT();
time_t t = time(NULL);
+ /* We need to save and restore this as it can be destroyed
+ if we call another server if security=server
+ Thanks to Paul Nelson @ Thursby for pointing this out.
+ */
+ uint16 mid = SVAL(outbuf, smb_mid);
if (lp_security()>=SEC_USER) secword |= 1;
if (doencrypt) secword |= 2;
@@ -2707,6 +2718,7 @@ int reply_lanman2(char *outbuf)
}
CVAL(outbuf,smb_flg) = 0x81; /* Reply, SMBlockread, SMBwritelock supported */
+ SSVAL(outbuf,smb_mid,mid); /* Restore possibly corrupted mid */
SSVAL(outbuf,smb_vwv2,max_recv);
SSVAL(outbuf,smb_vwv3,lp_maxmux());
SSVAL(outbuf,smb_vwv4,1);
@@ -2738,6 +2750,11 @@ int reply_nt1(char *outbuf)
int data_len;
int encrypt_len;
char challenge_len = 8;
+ /* We need to save and restore this as it can be destroyed
+ if we call another server if security=server
+ Thanks to Paul Nelson @ Thursby for pointing this out.
+ */
+ uint16 mid = SVAL(outbuf, smb_mid);
if (lp_readraw() && lp_writeraw())
{
@@ -2787,6 +2804,7 @@ int reply_nt1(char *outbuf)
#endif
}
+ SSVAL(outbuf,smb_mid,mid); /* Restore possibly corrupted mid */
SSVAL(outbuf,smb_vwv1+1,lp_maxmux()); /* maxmpx */
SSVAL(outbuf,smb_vwv2+1,1); /* num vcs */
SIVAL(outbuf,smb_vwv3+1,0xffff); /* max buffer. LOTS! */