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[CIFS] Break up unicode_sessetup string functions 

SPNEGO setup needs only some of these strings. Break up
unicode_ssetup_strings so we can call them individually.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Jeff Layton 2007-10-16 17:32:19 +00:00 committed by Steve French
parent e187e44eb8
commit 0d3a01fada
2 changed files with 56 additions and 27 deletions
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10
fs/cifs/cifsglob.h
View File

@ -495,9 +495,15 @@ require use of the stronger protocol */
#ifdef CONFIG_CIFS_WEAK_PW_HASH
#define CIFSSEC_MUST_LANMAN 0x10010
#define CIFSSEC_MUST_PLNTXT 0x20020
#define CIFSSEC_MASK 0x37037 /* current flags supported if weak */
#ifdef CONFIG_CIFS_UPCALL
#define CIFSSEC_MASK 0x3F03F /* allows weak security but also krb5 */
#else
#define CIFSSEC_MASK 0x07007 /* flags supported if no weak config */
#define CIFSSEC_MASK 0x37037 /* current flags supported if weak */
#else /* do not allow weak pw hash */
#ifdef CONFIG_CIFS_UPCALL
#define CIFSSEC_MASK 0x0F00F /* flags supported if no weak allowed */
#else
#define CIFSSEC_MASK 0x07007 /* flags supported if no weak allowed */
#endif /* WEAK_PW_HASH */
#define CIFSSEC_MUST_SEAL 0x40040 /* not supported yet */

73
fs/cifs/sess.c
View File

@ -74,6 +74,52 @@ static __u32 cifs_ssetup_hdr(struct cifsSesInfo *ses, SESSION_SETUP_ANDX *pSMB)
return capabilities;
}
static void
unicode_oslm_strings(char **pbcc_area, const struct nls_table *nls_cp)
{
char *bcc_ptr = *pbcc_area;
int bytes_ret = 0;
/* Copy OS version */
bytes_ret = cifs_strtoUCS((__le16 *)bcc_ptr, "Linux version ", 32,
nls_cp);
bcc_ptr += 2 * bytes_ret;
bytes_ret = cifs_strtoUCS((__le16 *) bcc_ptr, init_utsname()->release,
32, nls_cp);
bcc_ptr += 2 * bytes_ret;
bcc_ptr += 2; /* trailing null */
bytes_ret = cifs_strtoUCS((__le16 *) bcc_ptr, CIFS_NETWORK_OPSYS,
32, nls_cp);
bcc_ptr += 2 * bytes_ret;
bcc_ptr += 2; /* trailing null */
*pbcc_area = bcc_ptr;
}
static void unicode_domain_string(char **pbcc_area, struct cifsSesInfo *ses,
const struct nls_table *nls_cp)
{
char *bcc_ptr = *pbcc_area;
int bytes_ret = 0;
/* copy domain */
if (ses->domainName == NULL) {
/* Sending null domain better than using a bogus domain name (as
we did briefly in 2.6.18) since server will use its default */
*bcc_ptr = 0;
*(bcc_ptr+1) = 0;
bytes_ret = 0;
} else
bytes_ret = cifs_strtoUCS((__le16 *) bcc_ptr, ses->domainName,
256, nls_cp);
bcc_ptr += 2 * bytes_ret;
bcc_ptr += 2; /* account for null terminator */
*pbcc_area = bcc_ptr;
}
static void unicode_ssetup_strings(char **pbcc_area, struct cifsSesInfo *ses,
const struct nls_table *nls_cp)
{
@ -99,32 +145,9 @@ static void unicode_ssetup_strings(char **pbcc_area, struct cifsSesInfo *ses,
}
bcc_ptr += 2 * bytes_ret;
bcc_ptr += 2; /* account for null termination */
/* copy domain */
if (ses->domainName == NULL) {
/* Sending null domain better than using a bogus domain name (as
we did briefly in 2.6.18) since server will use its default */
*bcc_ptr = 0;
*(bcc_ptr+1) = 0;
bytes_ret = 0;
} else
bytes_ret = cifs_strtoUCS((__le16 *) bcc_ptr, ses->domainName,
256, nls_cp);
bcc_ptr += 2 * bytes_ret;
bcc_ptr += 2; /* account for null terminator */
/* Copy OS version */
bytes_ret = cifs_strtoUCS((__le16 *)bcc_ptr, "Linux version ", 32,
nls_cp);
bcc_ptr += 2 * bytes_ret;
bytes_ret = cifs_strtoUCS((__le16 *) bcc_ptr, init_utsname()->release,
32, nls_cp);
bcc_ptr += 2 * bytes_ret;
bcc_ptr += 2; /* trailing null */
bytes_ret = cifs_strtoUCS((__le16 *) bcc_ptr, CIFS_NETWORK_OPSYS,
32, nls_cp);
bcc_ptr += 2 * bytes_ret;
bcc_ptr += 2; /* trailing null */
unicode_domain_string(&bcc_ptr, ses, nls_cp);
unicode_oslm_strings(&bcc_ptr, nls_cp);
*pbcc_area = bcc_ptr;
}