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SubjectPatch: smbfs long file name support
Date
Hi, all!

Problem with long file name support in smbfs is now solved (see patch below).

Yuri Per

diff -r -u linux.2.0.0/fs/smbfs/proc.c linux/fs/smbfs/proc.c
--- linux.2.0.0/fs/smbfs/proc.c Fri Jun 28 14:45:02 1996
+++ linux/fs/smbfs/proc.c Fri Jun 28 17:30:02 1996
@@ -3,6 +3,7 @@
*
* Copyright (C) 1995 by Paal-Kr. Engstad and Volker Lendecke
*
+ * 28/06/96 - Fixed long file name support (smb_proc_readdir_long) by Yuri Per
*/

#include <linux/config.h>
@@ -1152,6 +1153,7 @@
int info_level = 1;

char *p;
+ char *lastname;
int i;
int first, total_count;
struct smb_dirent *current_entry;
@@ -1171,10 +1173,16 @@
int ff_dir_handle=0;
int loop_count = 0;

- int dirlen = strlen(SMB_FINFO(dir)->path);
- char mask[dirlen + 5];
+ int dirlen = strlen(SMB_FINFO(dir)->path) + 3;
+ char *mask;

- strcpy(mask, SMB_FINFO(dir)->path);
+ mask = smb_kmalloc(dirlen, GFP_KERNEL);
+ if (mask == NULL)
+ {
+ printk("smb_proc_readdir_long: Memory allocation failed\n");
+ return -ENOMEM;
+ }
+ strcpy(mask, SMB_FINFO(dir)->path);
strcat(mask, "\\*");

DPRINTK("SMB call lreaddir %d @ %d\n", cache_size, fpos);
@@ -1297,22 +1305,37 @@
p = resp_data;

/* we might need the lastname for continuations */
+ lastname = "";
if (ff_lastname > 0)
{
switch(info_level)
{
case 260:
- ff_resume_key =0;
- strcpy(mask,p+ff_lastname+94);
+ lastname = p + ff_lastname + 94;
+ ff_resume_key = 0;
break;
case 1:
- strcpy(mask,p + ff_lastname + 1);
+ lastname = p + ff_lastname + 1;
ff_resume_key = 0;
break;
}
}
- else
- strcpy(mask,"");
+
+ /* Increase size of mask, if it is too small */
+ i = strlen(lastname) + 1;
+ if (i > dirlen)
+ {
+ smb_kfree_s(mask, 0);
+ dirlen = i;
+ mask = smb_kmalloc(dirlen, GFP_KERNEL);
+ if (mask == NULL)
+ {
+ printk("smb_proc_readdir_long: Memory allocation failed\n");
+ result = -ENOMEM;
+ break;
+ }
+ strcpy(mask, lastname);
+ }

/* Now we are ready to parse smb directory entries. */

@@ -1355,6 +1378,9 @@
}

finished:
+ if (mask != NULL)
+ smb_kfree_s(mask, 0);
+
if (resp_data != NULL) {
smb_kfree_s(resp_data, 0);
resp_data = NULL;
diff -r -u linux.2.0.0/CREDITS linux/CREDITS
--- linux.2.0.0/CREDITS Sat Jun 8 18:55:40 1996
+++ linux/CREDITS Fri Jun 28 17:39:30 1996
@@ -1029,6 +1029,13 @@
S: Thunder Bay, Ontario
S: CANADA P7C 5M9

+N: Yuri Per
+E: yuri@pts.mipt.ru
+D: Some smbfs fixes
+S: Demonstratsii 8-382
+S: Tula 300000
+S: Russia
+
N: Kai Petzke
E: wpp@marie.physik.tu-berlin.de
W: http://physik.tu-berlin.de/~wpp

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