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[CIFS] Add missing defines for DFS

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Also has minor cleanup of previous patch

CC: Igor Mammedov <niallain@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Steve French 2008-05-16 18:48:38 +00:00
parent fec4585fd7
commit a1fe78f16e
2 changed files with 18 additions and 8 deletions
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9
fs/cifs/cifspdu.h
View File

@ -1904,6 +1904,15 @@ typedef struct smb_com_transaction2_get_dfs_refer_req {
char RequestFileName[1]; char RequestFileName[1];
} __attribute__((packed)) TRANSACTION2_GET_DFS_REFER_REQ; } __attribute__((packed)) TRANSACTION2_GET_DFS_REFER_REQ;
#define DFS_VERSION cpu_to_le16(0x0003)
/* DFS server target type */
#define DFS_TYPE_LINK 0x0000 /* also for sysvol targets */
#define DFS_TYPE_ROOT 0x0001
/* Referral Entry Flags */
#define DFS_NAME_LIST_REF 0x0200
typedef struct dfs_referral_level_3 { typedef struct dfs_referral_level_3 {
__le16 VersionNumber; __le16 VersionNumber;
__le16 Size; __le16 Size;

17
fs/cifs/cifssmb.c
View File

@ -107,6 +107,7 @@ cifs_strncpy_to_host(char **dst, const char *src, const int maxlen,
strncpy(*dst, src, plen); strncpy(*dst, src, plen);
} }
(*dst)[plen] = 0; (*dst)[plen] = 0;
(*dst)[plen+1] = 0; /* harmless for ASCII case, needed for Unicode */
return 0; return 0;
cifs_strncpy_to_host_ErrExit: cifs_strncpy_to_host_ErrExit:
@ -3907,7 +3908,7 @@ GetInodeNumOut:
* on failure - errno * on failure - errno
*/ */
static int static int
parse_DFS_REFERRALS(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr, parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
unsigned int *num_of_nodes, unsigned int *num_of_nodes,
struct dfs_info3_param **target_nodes, struct dfs_info3_param **target_nodes,
const struct nls_table *nls_codepage) const struct nls_table *nls_codepage)
@ -3924,7 +3925,7 @@ parse_DFS_REFERRALS(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
cERROR(1, ("num_referrals: must be at least > 0," cERROR(1, ("num_referrals: must be at least > 0,"
"but we get num_referrals = %d\n", *num_of_nodes)); "but we get num_referrals = %d\n", *num_of_nodes));
rc = -EINVAL; rc = -EINVAL;
goto parse_DFS_REFERRALS_exit; goto parse_DFS_referrals_exit;
} }
ref = (struct dfs_referral_level_3 *) &(pSMBr->referrals); ref = (struct dfs_referral_level_3 *) &(pSMBr->referrals);
@ -3932,7 +3933,7 @@ parse_DFS_REFERRALS(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
cERROR(1, ("Referrals of V%d version are not supported," cERROR(1, ("Referrals of V%d version are not supported,"
"should be V3", ref->VersionNumber)); "should be V3", ref->VersionNumber));
rc = -EINVAL; rc = -EINVAL;
goto parse_DFS_REFERRALS_exit; goto parse_DFS_referrals_exit;
} }
/* get the upper boundary of the resp buffer */ /* get the upper boundary of the resp buffer */
@ -3948,7 +3949,7 @@ parse_DFS_REFERRALS(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
if (*target_nodes == NULL) { if (*target_nodes == NULL) {
cERROR(1, ("Failed to allocate buffer for target_nodes\n")); cERROR(1, ("Failed to allocate buffer for target_nodes\n"));
rc = -ENOMEM; rc = -ENOMEM;
goto parse_DFS_REFERRALS_exit; goto parse_DFS_referrals_exit;
} }
/* collect neccessary data from referrals */ /* collect neccessary data from referrals */
@ -3968,7 +3969,7 @@ parse_DFS_REFERRALS(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
rc = cifs_strncpy_to_host(&(node->path_name), temp, rc = cifs_strncpy_to_host(&(node->path_name), temp,
max_len, is_unicode, nls_codepage); max_len, is_unicode, nls_codepage);
if (rc) if (rc)
goto parse_DFS_REFERRALS_exit; goto parse_DFS_referrals_exit;
/* copy link target UNC */ /* copy link target UNC */
temp = (char *)ref + le16_to_cpu(ref->NetworkAddressOffset); temp = (char *)ref + le16_to_cpu(ref->NetworkAddressOffset);
@ -3976,12 +3977,12 @@ parse_DFS_REFERRALS(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
rc = cifs_strncpy_to_host(&(node->node_name), temp, rc = cifs_strncpy_to_host(&(node->node_name), temp,
max_len, is_unicode, nls_codepage); max_len, is_unicode, nls_codepage);
if (rc) if (rc)
goto parse_DFS_REFERRALS_exit; goto parse_DFS_referrals_exit;
ref += ref->Size; ref += ref->Size;
} }
parse_DFS_REFERRALS_exit: parse_DFS_referrals_exit:
if (rc) { if (rc) {
free_dfs_info_array(*target_nodes, *num_of_nodes); free_dfs_info_array(*target_nodes, *num_of_nodes);
*target_nodes = NULL; *target_nodes = NULL;
@ -4090,7 +4091,7 @@ getDFSRetry:
le16_to_cpu(pSMBr->t2.DataOffset))); le16_to_cpu(pSMBr->t2.DataOffset)));
/* parse returned result into more usable form */ /* parse returned result into more usable form */
rc = parse_DFS_REFERRALS(pSMBr, num_of_nodes, rc = parse_DFS_referrals(pSMBr, num_of_nodes,
target_nodes, nls_codepage); target_nodes, nls_codepage);
GetDFSRefExit: GetDFSRefExit: