diff options
Diffstat (limited to 'fs/cifs/cifssmb.c')
| -rw-r--r-- | fs/cifs/cifssmb.c | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 57419a176688..4a2458e78784 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -426,11 +426,11 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses) /* if any of auth flags (ie not sign or seal) are overriden use them */ if(ses->overrideSecFlg & (~(CIFSSEC_MUST_SIGN | CIFSSEC_MUST_SEAL))) - secFlags = ses->overrideSecFlg; + secFlags = ses->overrideSecFlg; /* BB FIXME fix sign flags? */ else /* if override flags set only sign/seal OR them with global auth */ secFlags = extended_security | ses->overrideSecFlg; - cFYI(1,("secFlags 0x%x",secFlags)); + cFYI(1, ("secFlags 0x%x", secFlags)); pSMB->hdr.Mid = GetNextMid(server); pSMB->hdr.Flags2 |= (SMBFLG2_UNICODE | SMBFLG2_ERR_STATUS); @@ -633,22 +633,32 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses) #ifdef CONFIG_CIFS_WEAK_PW_HASH signing_check: #endif - if(sign_CIFS_PDUs == FALSE) { + if ((secFlags & CIFSSEC_MAY_SIGN) == 0) { + /* MUST_SIGN already includes the MAY_SIGN FLAG + so if this is zero it means that signing is disabled */ + cFYI(1, ("Signing disabled")); if(server->secMode & SECMODE_SIGN_REQUIRED) - cERROR(1,("Server requires " - "/proc/fs/cifs/PacketSigningEnabled to be on")); + cERROR(1, ("Server requires " + "/proc/fs/cifs/PacketSigningEnabled " + "to be on")); server->secMode &= ~(SECMODE_SIGN_ENABLED | SECMODE_SIGN_REQUIRED); - } else if(sign_CIFS_PDUs == 1) { + } else if ((secFlags & CIFSSEC_MUST_SIGN) == CIFSSEC_MUST_SIGN) { + /* signing required */ + cFYI(1, ("Must sign - segFlags 0x%x", secFlags)); + if ((server->secMode & + (SECMODE_SIGN_ENABLED | SECMODE_SIGN_REQUIRED)) == 0) { + cERROR(1, + ("signing required but server lacks support")); + } else + server->secMode |= SECMODE_SIGN_REQUIRED; + } else { + /* signing optional ie CIFSSEC_MAY_SIGN */ if((server->secMode & SECMODE_SIGN_REQUIRED) == 0) server->secMode &= ~(SECMODE_SIGN_ENABLED | SECMODE_SIGN_REQUIRED); - } else if(sign_CIFS_PDUs == 2) { - if((server->secMode & - (SECMODE_SIGN_ENABLED | SECMODE_SIGN_REQUIRED)) == 0) { - cERROR(1,("signing required but server lacks support")); - } } + neg_err_exit: cifs_buf_release(pSMB); |