[CIFS] fix whitespace
More whitespace problems found by checkpatch Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Steve French
Родитель
75865f8cc8
Коммит
ffdd6e4d16
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@ -58,7 +58,7 @@ cifs_dump_mem(char *label, void *data, int length)
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}
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#ifdef CONFIG_CIFS_DEBUG2
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void cifs_dump_detail(struct smb_hdr * smb)
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void cifs_dump_detail(struct smb_hdr *smb)
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{
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cERROR(1, ("Cmd: %d Err: 0x%x Flags: 0x%x Flgs2: 0x%x Mid: %d Pid: %d",
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smb->Command, smb->Status.CifsError,
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@ -67,10 +67,10 @@ void cifs_dump_detail(struct smb_hdr * smb)
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}
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void cifs_dump_mids(struct TCP_Server_Info * server)
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void cifs_dump_mids(struct TCP_Server_Info *server)
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{
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struct list_head *tmp;
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struct mid_q_entry * mid_entry;
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struct mid_q_entry *mid_entry;
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if (server == NULL)
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return;
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@ -114,12 +114,12 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
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{
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struct list_head *tmp;
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struct list_head *tmp1;
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struct mid_q_entry * mid_entry;
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struct mid_q_entry *mid_entry;
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struct cifsSesInfo *ses;
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struct cifsTconInfo *tcon;
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int i;
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int length = 0;
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char * original_buf = buf;
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char *original_buf = buf;
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*beginBuffer = buf + offset;
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@ -21,7 +21,7 @@
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#include <linux/fs.h>
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#include "cifspdu.h"
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#include "cifsglob.h"
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#include "cifsglob.h"
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#include "cifs_debug.h"
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#include "md5.h"
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#include "cifs_unicode.h"
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@ -29,54 +29,56 @@
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#include <linux/ctype.h>
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#include <linux/random.h>
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/* Calculate and return the CIFS signature based on the mac key and the smb pdu */
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/* Calculate and return the CIFS signature based on the mac key and SMB PDU */
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/* the 16 byte signature must be allocated by the caller */
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/* Note we only use the 1st eight bytes */
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/* Note that the smb header signature field on input contains the
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/* Note that the smb header signature field on input contains the
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sequence number before this function is called */
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extern void mdfour(unsigned char *out, unsigned char *in, int n);
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extern void E_md4hash(const unsigned char *passwd, unsigned char *p16);
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extern void SMBencrypt(unsigned char *passwd, unsigned char *c8,
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unsigned char *p24);
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unsigned char *p24);
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static int cifs_calculate_signature(const struct smb_hdr * cifs_pdu,
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const char * key, char * signature)
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static int cifs_calculate_signature(const struct smb_hdr *cifs_pdu,
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const char *key, char *signature)
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{
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struct MD5Context context;
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if((cifs_pdu == NULL) || (signature == NULL))
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if ((cifs_pdu == NULL) || (signature == NULL))
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return -EINVAL;
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MD5Init(&context);
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MD5Update(&context,key,CIFS_SESS_KEY_SIZE+16);
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MD5Update(&context,cifs_pdu->Protocol,cifs_pdu->smb_buf_length);
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MD5Final(signature,&context);
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MD5Update(&context, key, CIFS_SESS_KEY_SIZE+16);
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MD5Update(&context, cifs_pdu->Protocol, cifs_pdu->smb_buf_length);
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MD5Final(signature, &context);
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return 0;
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}
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int cifs_sign_smb(struct smb_hdr * cifs_pdu, struct TCP_Server_Info * server,
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__u32 * pexpected_response_sequence_number)
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int cifs_sign_smb(struct smb_hdr *cifs_pdu, struct TCP_Server_Info *server,
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__u32 *pexpected_response_sequence_number)
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{
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int rc = 0;
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char smb_signature[20];
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if((cifs_pdu == NULL) || (server == NULL))
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if ((cifs_pdu == NULL) || (server == NULL))
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return -EINVAL;
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if((cifs_pdu->Flags2 & SMBFLG2_SECURITY_SIGNATURE) == 0)
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if ((cifs_pdu->Flags2 & SMBFLG2_SECURITY_SIGNATURE) == 0)
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return rc;
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spin_lock(&GlobalMid_Lock);
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cifs_pdu->Signature.Sequence.SequenceNumber = cpu_to_le32(server->sequence_number);
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cifs_pdu->Signature.Sequence.SequenceNumber =
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cpu_to_le32(server->sequence_number);
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cifs_pdu->Signature.Sequence.Reserved = 0;
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*pexpected_response_sequence_number = server->sequence_number++;
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server->sequence_number++;
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spin_unlock(&GlobalMid_Lock);
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rc = cifs_calculate_signature(cifs_pdu, server->mac_signing_key,smb_signature);
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if(rc)
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rc = cifs_calculate_signature(cifs_pdu, server->mac_signing_key,
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smb_signature);
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if (rc)
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memset(cifs_pdu->Signature.SecuritySignature, 0, 8);
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else
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memcpy(cifs_pdu->Signature.SecuritySignature, smb_signature, 8);
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@ -84,88 +86,88 @@ int cifs_sign_smb(struct smb_hdr * cifs_pdu, struct TCP_Server_Info * server,
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return rc;
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}
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static int cifs_calc_signature2(const struct kvec * iov, int n_vec,
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const char * key, char * signature)
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static int cifs_calc_signature2(const struct kvec *iov, int n_vec,
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const char *key, char *signature)
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{
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struct MD5Context context;
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int i;
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if((iov == NULL) || (signature == NULL))
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if ((iov == NULL) || (signature == NULL))
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return -EINVAL;
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MD5Init(&context);
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MD5Update(&context,key,CIFS_SESS_KEY_SIZE+16);
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for(i=0;i<n_vec;i++) {
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if(iov[i].iov_base == NULL) {
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cERROR(1,("null iovec entry"));
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MD5Update(&context, key, CIFS_SESS_KEY_SIZE+16);
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for (i=0;i<n_vec;i++) {
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if (iov[i].iov_base == NULL) {
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cERROR(1 ,("null iovec entry"));
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return -EIO;
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} else if(iov[i].iov_len == 0)
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} else if (iov[i].iov_len == 0)
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break; /* bail out if we are sent nothing to sign */
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/* The first entry includes a length field (which does not get
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/* The first entry includes a length field (which does not get
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signed that occupies the first 4 bytes before the header */
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if(i==0) {
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if (i == 0) {
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if (iov[0].iov_len <= 8 ) /* cmd field at offset 9 */
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break; /* nothing to sign or corrupt header */
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MD5Update(&context,iov[0].iov_base+4, iov[0].iov_len-4);
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} else
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MD5Update(&context,iov[i].iov_base, iov[i].iov_len);
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MD5Update(&context, iov[i].iov_base, iov[i].iov_len);
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}
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MD5Final(signature,&context);
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MD5Final(signature, &context);
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return 0;
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}
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int cifs_sign_smb2(struct kvec * iov, int n_vec, struct TCP_Server_Info *server,
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int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *server,
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__u32 * pexpected_response_sequence_number)
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{
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int rc = 0;
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char smb_signature[20];
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struct smb_hdr * cifs_pdu = iov[0].iov_base;
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struct smb_hdr *cifs_pdu = iov[0].iov_base;
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if((cifs_pdu == NULL) || (server == NULL))
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if ((cifs_pdu == NULL) || (server == NULL))
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return -EINVAL;
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if((cifs_pdu->Flags2 & SMBFLG2_SECURITY_SIGNATURE) == 0)
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if ((cifs_pdu->Flags2 & SMBFLG2_SECURITY_SIGNATURE) == 0)
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return rc;
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spin_lock(&GlobalMid_Lock);
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cifs_pdu->Signature.Sequence.SequenceNumber =
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spin_lock(&GlobalMid_Lock);
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cifs_pdu->Signature.Sequence.SequenceNumber =
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cpu_to_le32(server->sequence_number);
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cifs_pdu->Signature.Sequence.Reserved = 0;
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cifs_pdu->Signature.Sequence.Reserved = 0;
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*pexpected_response_sequence_number = server->sequence_number++;
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server->sequence_number++;
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spin_unlock(&GlobalMid_Lock);
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*pexpected_response_sequence_number = server->sequence_number++;
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server->sequence_number++;
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spin_unlock(&GlobalMid_Lock);
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rc = cifs_calc_signature2(iov, n_vec, server->mac_signing_key,
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rc = cifs_calc_signature2(iov, n_vec, server->mac_signing_key,
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smb_signature);
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if(rc)
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memset(cifs_pdu->Signature.SecuritySignature, 0, 8);
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else
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memcpy(cifs_pdu->Signature.SecuritySignature, smb_signature, 8);
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return rc;
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if (rc)
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memset(cifs_pdu->Signature.SecuritySignature, 0, 8);
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else
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memcpy(cifs_pdu->Signature.SecuritySignature, smb_signature, 8);
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return rc;
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}
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int cifs_verify_signature(struct smb_hdr * cifs_pdu, const char * mac_key,
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__u32 expected_sequence_number)
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int cifs_verify_signature(struct smb_hdr *cifs_pdu, const char *mac_key,
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__u32 expected_sequence_number)
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{
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unsigned int rc;
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char server_response_sig[8];
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char what_we_think_sig_should_be[20];
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if((cifs_pdu == NULL) || (mac_key == NULL))
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if ((cifs_pdu == NULL) || (mac_key == NULL))
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return -EINVAL;
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if (cifs_pdu->Command == SMB_COM_NEGOTIATE)
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return 0;
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if (cifs_pdu->Command == SMB_COM_LOCKING_ANDX) {
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struct smb_com_lock_req * pSMB = (struct smb_com_lock_req *)cifs_pdu;
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if(pSMB->LockType & LOCKING_ANDX_OPLOCK_RELEASE)
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struct smb_com_lock_req * pSMB =
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(struct smb_com_lock_req *)cifs_pdu;
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if (pSMB->LockType & LOCKING_ANDX_OPLOCK_RELEASE)
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return 0;
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}
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