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authorMauro Carvalho Chehab <mchehab@redhat.com>2011-11-23 19:42:09 -0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-11-23 19:42:09 -0200
commit12cbfd0a3c52a52c2948c91b9e62e73c468d1572 (patch)
tree9252b3929159a83fc81ca0a48706bfa959660967 /fs/cifs/smbencrypt.c
parentb32e724308300a6ecead0f4895f0452a06a4291d (diff)
parentcfcfc9eca2bcbd26a8e206baeb005b055dbf8e37 (diff)
Merge tag 'v3.2-rc2' into staging/for_v3.3
* tag 'v3.2-rc2': (3068 commits) Linux 3.2-rc2 hfs: add sanity check for file name length fsl-rio: fix compile error blackfin: Fixup export.h includes Blackfin: add serial TX IRQ in individual platform resource virtio-pci: fix use after free ACPI / cpuidle: Remove acpi_idle_suspend (to fix suspend regression) drm/radeon/kms/combios: fix dynamic allocation of PM clock modes [CPUFREQ] db8500: fix build error due to undeclared i variable bma023: Add SFI translation for this device vrtc: change its year offset from 1960 to 1972 ce4100: fix a build error arm/imx: fix imx6q mmc error when mounting rootfs arm/imx: fix AUTO_ZRELADDR selection arm/imx: fix the references to ARCH_MX3 ARM: mx51/53: set pwm clock parent to ipg_perclk btrfs: rename the option to nospace_cache drm/radeon/kms/pm: switch to dynamically allocating clock mode array drm/radeon/kms: optimize r600_pm_profile_init drm/radeon/kms/pm: add a proper pm profile init function for fusion ... Conflicts: drivers/media/radio/Kconfig
Diffstat (limited to 'fs/cifs/smbencrypt.c')
-rw-r--r--fs/cifs/smbencrypt.c63
1 files changed, 12 insertions, 51 deletions
diff --git a/fs/cifs/smbencrypt.c b/fs/cifs/smbencrypt.c
index ac1221d969d6..7cacba12b8f1 100644
--- a/fs/cifs/smbencrypt.c
+++ b/fs/cifs/smbencrypt.c
@@ -199,75 +199,36 @@ SMBencrypt(unsigned char *passwd, const unsigned char *c8, unsigned char *p24)
return rc;
}
-/* Routines for Windows NT MD4 Hash functions. */
-static int
-_my_wcslen(__u16 *str)
-{
- int len = 0;
- while (*str++ != 0)
- len++;
- return len;
-}
-
-/*
- * Convert a string into an NT UNICODE string.
- * Note that regardless of processor type
- * this must be in intel (little-endian)
- * format.
- */
-
-static int
-_my_mbstowcs(__u16 *dst, const unsigned char *src, int len)
-{ /* BB not a very good conversion routine - change/fix */
- int i;
- __u16 val;
-
- for (i = 0; i < len; i++) {
- val = *src;
- SSVAL(dst, 0, val);
- dst++;
- src++;
- if (val == 0)
- break;
- }
- return i;
-}
-
/*
* Creates the MD4 Hash of the users password in NT UNICODE.
*/
int
-E_md4hash(const unsigned char *passwd, unsigned char *p16)
+E_md4hash(const unsigned char *passwd, unsigned char *p16,
+ const struct nls_table *codepage)
{
int rc;
int len;
__u16 wpwd[129];
/* Password cannot be longer than 128 characters */
- if (passwd) {
- len = strlen((char *) passwd);
- if (len > 128)
- len = 128;
-
- /* Password must be converted to NT unicode */
- _my_mbstowcs(wpwd, passwd, len);
- } else
+ if (passwd) /* Password must be converted to NT unicode */
+ len = cifs_strtoUCS(wpwd, passwd, 128, codepage);
+ else {
len = 0;
+ *wpwd = 0; /* Ensure string is null terminated */
+ }
- wpwd[len] = 0; /* Ensure string is null terminated */
- /* Calculate length in bytes */
- len = _my_wcslen(wpwd) * sizeof(__u16);
-
- rc = mdfour(p16, (unsigned char *) wpwd, len);
- memset(wpwd, 0, 129 * 2);
+ rc = mdfour(p16, (unsigned char *) wpwd, len * sizeof(__u16));
+ memset(wpwd, 0, 129 * sizeof(__u16));
return rc;
}
/* Does the NT MD4 hash then des encryption. */
int
-SMBNTencrypt(unsigned char *passwd, unsigned char *c8, unsigned char *p24)
+SMBNTencrypt(unsigned char *passwd, unsigned char *c8, unsigned char *p24,
+ const struct nls_table *codepage)
{
int rc;
unsigned char p16[16], p21[21];
@@ -275,7 +236,7 @@ SMBNTencrypt(unsigned char *passwd, unsigned char *c8, unsigned char *p24)
memset(p16, '\0', 16);
memset(p21, '\0', 21);
- rc = E_md4hash(passwd, p16);
+ rc = E_md4hash(passwd, p16, codepage);
if (rc) {
cFYI(1, "%s Can't generate NT hash, error: %d", __func__, rc);
return rc;