[PATCH] cifs: finish up of special character mapping capable unicode conversion routine part 2 of 3
Signed-off-by: Steve French (sfrench@us.ibm.com) Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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d14537f103
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6c91d362f1
3 changed files with 83 additions and 11 deletions
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@ -29,6 +29,7 @@
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#include "cifsglob.h"
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#include "cifsproto.h"
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#include "cifs_debug.h"
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#include "cifsfs.h"
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void
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cifs_dump_mem(char *label, void *data, int length)
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@ -78,8 +79,9 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
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"Display Internal CIFS Data Structures for Debugging\n"
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"---------------------------------------------------\n");
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buf += length;
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length = sprintf(buf, "Servers:\n");
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length = sprintf(buf,"CIFS Version %s\n",CIFS_VERSION);
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buf += length;
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length = sprintf(buf, "Servers:");
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buf += length;
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i = 0;
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@ -100,7 +102,7 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
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ses->server->secMode,
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atomic_read(&ses->server->inFlight));
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length = sprintf(buf, "\nMIDs: \n");
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length = sprintf(buf, "\nMIDs:\n");
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buf += length;
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spin_lock(&GlobalMid_Lock);
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@ -121,7 +123,7 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
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sprintf(buf, "\n");
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buf++;
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length = sprintf(buf, "\nShares:\n");
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length = sprintf(buf, "Shares:");
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buf += length;
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i = 0;
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@ -76,8 +76,8 @@ cifs_strtoUCS(wchar_t * to, const char *from, int len,
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charlen));
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to[i] = cpu_to_le16(0x003f); /* a question mark */
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charlen = 1;
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}
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to[i] = cpu_to_le16(to[i]);
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} else
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to[i] = cpu_to_le16(to[i]);
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}
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@ -28,6 +28,7 @@
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#include "cifs_debug.h"
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#include "smberr.h"
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#include "nterr.h"
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#include "cifs_unicode.h"
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extern mempool_t *cifs_sm_req_poolp;
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extern mempool_t *cifs_req_poolp;
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@ -515,7 +516,6 @@ dump_smb(struct smb_hdr *smb_buf, int smb_buf_length)
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return;
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}
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#ifdef CONFIG_CIFS_EXPERIMENTAL
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/* Windows maps these to the user defined 16 bit Unicode range since they are
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reserved symbols (along with \ and /), otherwise illegal to store
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in filenames in NTFS */
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@ -552,9 +552,12 @@ cifs_convertUCSpath(char *target, const __le16 * source, int maxlen,
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case UNI_QUESTION:
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target[j] = '?';
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break;
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case UNI_SLASH:
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target[j] = '\\'; /* BB check this - is there risk here of converting path sep BB */
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break;
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/* BB We can not handle remapping slash until
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all the calls to build_path_from_dentry
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are modified, as they use slash as separator BB */
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/* case UNI_SLASH:
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target[j] = '\\';
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break;*/
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case UNI_PIPE:
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target[j] = '|';
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break;
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@ -582,4 +585,71 @@ cUCS_out:
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target[j] = 0;
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return j;
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}
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#endif /* CIFS_EXPERIMENTAL */
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/* Convert 16 bit Unicode pathname to wire format from string in current code
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page. Conversion may involve remapping up the seven characters that are
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only legal in POSIX-like OS (if they are present in the string). Path
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names are little endian 16 bit Unicode on the wire */
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int
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cifsConvertToUCS(__le16 * target, const char *source, int maxlen,
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const struct nls_table * cp, int mapChars)
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{
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int i,j,charlen;
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int len_remaining = maxlen;
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char src_char;
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if(!mapChars)
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return cifs_strtoUCS((wchar_t *) target, source, PATH_MAX, cp);
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for(i = 0, j = 0; i < maxlen; j++) {
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src_char = source[i];
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switch (src_char) {
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case 0:
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goto ctoUCS_out;
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case ':':
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target[j] = cpu_to_le16(UNI_COLON);
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break;
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case '*':
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target[j] = cpu_to_le16(UNI_ASTERIK);
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break;
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case '?':
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target[j] = cpu_to_le16(UNI_QUESTION);
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break;
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case '<':
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target[j] = cpu_to_le16(UNI_LESSTHAN);
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break;
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case '>':
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target[j] = cpu_to_le16(UNI_GRTRTHAN);
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break;
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case '|':
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target[j] = cpu_to_le16(UNI_PIPE);
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break;
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/* BB We can not handle remapping slash until
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all the calls to build_path_from_dentry
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are modified, as they use slash as separator BB */
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/* case '\\':
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target[j] = cpu_to_le16(UNI_SLASH);
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break;*/
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default:
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charlen = cp->char2uni(source+i,
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len_remaining, target+j);
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/* if no match, use question mark, which
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at least in some cases servers as wild card */
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if(charlen < 1) {
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target[j] = cpu_to_le16(0x003f);
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charlen = 1;
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}
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len_remaining -= charlen;
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/* character may take more than one byte in the
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the source string, but will take exactly two
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bytes in the target string */
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i+= charlen;
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continue;
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}
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i++; /* move to next char in source string */
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len_remaining--;
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}
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ctoUCS_out:
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return i;
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}
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