diff options
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/cifsencrypt.c | 54 | ||||
| -rw-r--r-- | fs/cifs/cifsfs.c | 10 | ||||
| -rw-r--r-- | fs/cifs/cifssmb.c | 3 | ||||
| -rw-r--r-- | fs/cifs/connect.c | 4 |
4 files changed, 21 insertions, 50 deletions
diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c index e76bfeb6826..30acd22147e 100644 --- a/fs/cifs/cifsencrypt.c +++ b/fs/cifs/cifsencrypt.c @@ -351,9 +351,7 @@ static int build_avpair_blob(struct cifs_ses *ses, const struct nls_table *nls_cp) { unsigned int dlen; - unsigned int wlen; - unsigned int size = 6 * sizeof(struct ntlmssp2_name); - __le64 curtime; + unsigned int size = 2 * sizeof(struct ntlmssp2_name); char *defdmname = "WORKGROUP"; unsigned char *blobptr; struct ntlmssp2_name *attrptr; @@ -365,15 +363,14 @@ build_avpair_blob(struct cifs_ses *ses, const struct nls_table *nls_cp) } dlen = strlen(ses->domainName); - wlen = strlen(ses->server->hostname); - /* The length of this blob is a size which is - * six times the size of a structure which holds name/size + - * two times the unicode length of a domain name + - * two times the unicode length of a server name + - * size of a timestamp (which is 8 bytes). + /* + * The length of this blob is two times the size of a + * structure (av pair) which holds name/size + * ( for NTLMSSP_AV_NB_DOMAIN_NAME followed by NTLMSSP_AV_EOL ) + + * unicode length of a netbios domain name */ - ses->auth_key.len = size + 2 * (2 * dlen) + 2 * (2 * wlen) + 8; + ses->auth_key.len = size + 2 * dlen; ses->auth_key.response = kzalloc(ses->auth_key.len, GFP_KERNEL); if (!ses->auth_key.response) { ses->auth_key.len = 0; @@ -384,44 +381,15 @@ build_avpair_blob(struct cifs_ses *ses, const struct nls_table *nls_cp) blobptr = ses->auth_key.response; attrptr = (struct ntlmssp2_name *) blobptr; + /* + * As defined in MS-NTLM 3.3.2, just this av pair field + * is sufficient as part of the temp + */ attrptr->type = cpu_to_le16(NTLMSSP_AV_NB_DOMAIN_NAME); attrptr->length = cpu_to_le16(2 * dlen); blobptr = (unsigned char *)attrptr + sizeof(struct ntlmssp2_name); cifs_strtoUCS((__le16 *)blobptr, ses->domainName, dlen, nls_cp); - blobptr += 2 * dlen; - attrptr = (struct ntlmssp2_name *) blobptr; - - attrptr->type = cpu_to_le16(NTLMSSP_AV_NB_COMPUTER_NAME); - attrptr->length = cpu_to_le16(2 * wlen); - blobptr = (unsigned char *)attrptr + sizeof(struct ntlmssp2_name); - cifs_strtoUCS((__le16 *)blobptr, ses->server->hostname, wlen, nls_cp); - - blobptr += 2 * wlen; - attrptr = (struct ntlmssp2_name *) blobptr; - - attrptr->type = cpu_to_le16(NTLMSSP_AV_DNS_DOMAIN_NAME); - attrptr->length = cpu_to_le16(2 * dlen); - blobptr = (unsigned char *)attrptr + sizeof(struct ntlmssp2_name); - cifs_strtoUCS((__le16 *)blobptr, ses->domainName, dlen, nls_cp); - - blobptr += 2 * dlen; - attrptr = (struct ntlmssp2_name *) blobptr; - - attrptr->type = cpu_to_le16(NTLMSSP_AV_DNS_COMPUTER_NAME); - attrptr->length = cpu_to_le16(2 * wlen); - blobptr = (unsigned char *)attrptr + sizeof(struct ntlmssp2_name); - cifs_strtoUCS((__le16 *)blobptr, ses->server->hostname, wlen, nls_cp); - - blobptr += 2 * wlen; - attrptr = (struct ntlmssp2_name *) blobptr; - - attrptr->type = cpu_to_le16(NTLMSSP_AV_TIMESTAMP); - attrptr->length = cpu_to_le16(sizeof(__le64)); - blobptr = (unsigned char *)attrptr + sizeof(struct ntlmssp2_name); - curtime = cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME)); - memcpy(blobptr, &curtime, sizeof(__le64)); - return 0; } diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index f93eb948d07..54b8f1e7da9 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -548,6 +548,12 @@ cifs_get_root(struct smb_vol *vol, struct super_block *sb) struct inode *dir = dentry->d_inode; struct dentry *child; + if (!dir) { + dput(dentry); + dentry = ERR_PTR(-ENOENT); + break; + } + /* skip separators */ while (*s == sep) s++; @@ -563,10 +569,6 @@ cifs_get_root(struct smb_vol *vol, struct super_block *sb) mutex_unlock(&dir->i_mutex); dput(dentry); dentry = child; - if (!dentry->d_inode) { - dput(dentry); - dentry = ERR_PTR(-ENOENT); - } } while (!IS_ERR(dentry)); _FreeXid(xid); kfree(full_path); diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index aac37d99a48..a80f7bd97b9 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -4079,7 +4079,8 @@ int CIFSFindNext(const int xid, struct cifs_tcon *tcon, T2_FNEXT_RSP_PARMS *parms; char *response_data; int rc = 0; - int bytes_returned, name_len; + int bytes_returned; + unsigned int name_len; __u16 params, byte_count; cFYI(1, "In FindNext"); diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 633c246b677..f4af4cc3750 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -1298,7 +1298,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, /* ignore */ } else if (strnicmp(data, "guest", 5) == 0) { /* ignore */ - } else if (strnicmp(data, "rw", 2) == 0) { + } else if (strnicmp(data, "rw", 2) == 0 && strlen(data) == 2) { /* ignore */ } else if (strnicmp(data, "ro", 2) == 0) { /* ignore */ @@ -1401,7 +1401,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, vol->server_ino = 1; } else if (strnicmp(data, "noserverino", 9) == 0) { vol->server_ino = 0; - } else if (strnicmp(data, "rwpidforward", 4) == 0) { + } else if (strnicmp(data, "rwpidforward", 12) == 0) { vol->rwpidforward = 1; } else if (strnicmp(data, "cifsacl", 7) == 0) { vol->cifs_acl = 1; |