#include "cifs_debug.h"
#include "smberr.h"
#include "nterr.h"
+#include "cifs_unicode.h"
extern mempool_t *cifs_sm_req_poolp;
extern mempool_t *cifs_req_poolp;
extern struct task_struct * oplockThread;
-__u16 GlobalMid; /* multiplex id - rotating counter */
+static __u16 GlobalMid; /* multiplex id - rotating counter */
/* The xid serves as a useful identifier for each incoming vfs request,
in a similar way to the mid which is useful to track each sent smb,
if (((unsigned int)length < 2 + sizeof (struct smb_hdr)) ||
(len > CIFSMaxBufSize + MAX_CIFS_HDR_SIZE - 4)) {
if ((unsigned int)length < 2 + sizeof (struct smb_hdr)) {
- cERROR(1, ("Length less than 2 + sizeof smb_hdr "));
- if (((unsigned int)length >= sizeof (struct smb_hdr) - 1)
- && (smb->Status.CifsError != 0))
+ if (((unsigned int)length >=
+ sizeof (struct smb_hdr) - 1)
+ && (smb->Status.CifsError != 0)) {
+ smb->WordCount = 0;
return 0; /* some error cases do not return wct and bcc */
+ } else {
+ cERROR(1, ("Length less than smb header size"));
+ }
}
if (len > CIFSMaxBufSize + MAX_CIFS_HDR_SIZE - 4)
atomic_inc(&tcon->num_oplock_brks);
#endif
list_for_each(tmp1,&tcon->openFileList){
- netfile = list_entry(tmp1,struct cifsFileInfo,tlist);
+ netfile = list_entry(tmp1,struct cifsFileInfo,
+ tlist);
if(pSMB->Fid == netfile->netfid) {
struct cifsInodeInfo *pCifsInode;
read_unlock(&GlobalSMBSeslock);
- cFYI(1,("Matching file id, processing oplock break"));
+ cFYI(1,("file id match, oplock break"));
pCifsInode =
CIFS_I(netfile->pInode);
pCifsInode->clientCanCacheAll = FALSE;
if(pSMB->OplockLevel == 0)
- pCifsInode->clientCanCacheRead = FALSE;
+ pCifsInode->clientCanCacheRead
+ = FALSE;
pCifsInode->oplockPending = TRUE;
- AllocOplockQEntry(netfile->pInode, netfile->netfid, tcon);
+ AllocOplockQEntry(netfile->pInode,
+ netfile->netfid,
+ tcon);
cFYI(1,("about to wake up oplock thd"));
- wake_up_process(oplockThread);
+ if(oplockThread)
+ wake_up_process(oplockThread);
return TRUE;
}
}
read_unlock(&GlobalSMBSeslock);
- cFYI(1,("No matching file for oplock break on connection"));
+ cFYI(1,("No matching file for oplock break"));
return TRUE;
}
}
buffer = (unsigned char *) smb_buf;
for (i = 0, j = 0; i < smb_buf_length; i++, j++) {
- if (i % 8 == 0) { /* we have reached the beginning of line */
+ if (i % 8 == 0) { /* have reached the beginning of line */
printk(KERN_DEBUG "| ");
j = 0;
}
else
debug_line[1 + (2 * j)] = '_';
- if (i % 8 == 7) { /* we have reached end of line, time to print ascii */
+ if (i % 8 == 7) { /* reached end of line, time to print ascii */
debug_line[16] = 0;
printk(" | %s\n", debug_line);
}
printk( " | %s\n", debug_line);
return;
}
+
+/* Windows maps these to the user defined 16 bit Unicode range since they are
+ reserved symbols (along with \ and /), otherwise illegal to store
+ in filenames in NTFS */
+#define UNI_ASTERIK (__u16) ('*' + 0xF000)
+#define UNI_QUESTION (__u16) ('?' + 0xF000)
+#define UNI_COLON (__u16) (':' + 0xF000)
+#define UNI_GRTRTHAN (__u16) ('>' + 0xF000)
+#define UNI_LESSTHAN (__u16) ('<' + 0xF000)
+#define UNI_PIPE (__u16) ('|' + 0xF000)
+#define UNI_SLASH (__u16) ('\\' + 0xF000)
+
+/* Convert 16 bit Unicode pathname from wire format to string in current code
+ page. Conversion may involve remapping up the seven characters that are
+ only legal in POSIX-like OS (if they are present in the string). Path
+ names are little endian 16 bit Unicode on the wire */
+int
+cifs_convertUCSpath(char *target, const __le16 * source, int maxlen,
+ const struct nls_table * cp)
+{
+ int i,j,len;
+ __u16 src_char;
+
+ for(i = 0, j = 0; i < maxlen; i++) {
+ src_char = le16_to_cpu(source[i]);
+ switch (src_char) {
+ case 0:
+ goto cUCS_out; /* BB check this BB */
+ case UNI_COLON:
+ target[j] = ':';
+ break;
+ case UNI_ASTERIK:
+ target[j] = '*';
+ break;
+ case UNI_QUESTION:
+ target[j] = '?';
+ break;
+ /* BB We can not handle remapping slash until
+ all the calls to build_path_from_dentry
+ are modified, as they use slash as separator BB */
+ /* case UNI_SLASH:
+ target[j] = '\\';
+ break;*/
+ case UNI_PIPE:
+ target[j] = '|';
+ break;
+ case UNI_GRTRTHAN:
+ target[j] = '>';
+ break;
+ case UNI_LESSTHAN:
+ target[j] = '<';
+ break;
+ default:
+ len = cp->uni2char(src_char, &target[j],
+ NLS_MAX_CHARSET_SIZE);
+ if(len > 0) {
+ j += len;
+ continue;
+ } else {
+ target[j] = '?';
+ }
+ }
+ j++;
+ /* make sure we do not overrun callers allocated temp buffer */
+ if(j >= (2 * NAME_MAX))
+ break;
+ }
+cUCS_out:
+ target[j] = 0;
+ return j;
+}
+
+/* Convert 16 bit Unicode pathname to wire format from string in current code
+ page. Conversion may involve remapping up the seven characters that are
+ only legal in POSIX-like OS (if they are present in the string). Path
+ names are little endian 16 bit Unicode on the wire */
+int
+cifsConvertToUCS(__le16 * target, const char *source, int maxlen,
+ const struct nls_table * cp, int mapChars)
+{
+ int i,j,charlen;
+ int len_remaining = maxlen;
+ char src_char;
+
+ if(!mapChars)
+ return cifs_strtoUCS((wchar_t *) target, source, PATH_MAX, cp);
+
+ for(i = 0, j = 0; i < maxlen; j++) {
+ src_char = source[i];
+ switch (src_char) {
+ case 0:
+ goto ctoUCS_out;
+ case ':':
+ target[j] = cpu_to_le16(UNI_COLON);
+ break;
+ case '*':
+ target[j] = cpu_to_le16(UNI_ASTERIK);
+ break;
+ case '?':
+ target[j] = cpu_to_le16(UNI_QUESTION);
+ break;
+ case '<':
+ target[j] = cpu_to_le16(UNI_LESSTHAN);
+ break;
+ case '>':
+ target[j] = cpu_to_le16(UNI_GRTRTHAN);
+ break;
+ case '|':
+ target[j] = cpu_to_le16(UNI_PIPE);
+ break;
+ /* BB We can not handle remapping slash until
+ all the calls to build_path_from_dentry
+ are modified, as they use slash as separator BB */
+ /* case '\\':
+ target[j] = cpu_to_le16(UNI_SLASH);
+ break;*/
+ default:
+ charlen = cp->char2uni(source+i,
+ len_remaining, target+j);
+ /* if no match, use question mark, which
+ at least in some cases servers as wild card */
+ if(charlen < 1) {
+ target[j] = cpu_to_le16(0x003f);
+ charlen = 1;
+ }
+ len_remaining -= charlen;
+ /* character may take more than one byte in the
+ the source string, but will take exactly two
+ bytes in the target string */
+ i+= charlen;
+ continue;
+ }
+ i++; /* move to next char in source string */
+ len_remaining--;
+ }
+
+ctoUCS_out:
+ return i;
+}
git://git.onelab.eu / linux-2.6.git / blobdiff