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[SUNRPC]: svc_{get,put}nl()

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* add svc_getnl():
	Take network-endian value from buffer, convert to host-endian
	and return it.
* add svc_putnl():
	Take host-endian value, convert to network-endian and put it
	into a buffer.
* annotate svc_getu32()/svc_putu32() as dealing with network-endian.
* convert to svc_getnl(), svc_putnl().

[AV: in large part it's a carved-up Alexey's patch]

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexey Dobriyan 2006-09-26 22:28:46 -07:00 • committed by David S. Miller
parent 13d8eaa06a
commit 7699431301
5 changed files with 84 additions and 67 deletions
Download patch file Download diff file Expand all files Collapse all files

22
net/sunrpc/svcauth_unix.c
View file

@ -427,7 +427,7 @@ svcauth_null_accept(struct svc_rqst *rqstp, u32 *authp)
*authp = rpc_autherr_badcred;
return SVC_DENIED;
}
if (svc_getu32(argv) != RPC_AUTH_NULL || svc_getu32(argv) != 0) {
if (svc_getu32(argv) != htonl(RPC_AUTH_NULL) || svc_getu32(argv) != 0) {
dprintk("svc: bad null verf\n");
*authp = rpc_autherr_badverf;
return SVC_DENIED;
@ -441,8 +441,8 @@ svcauth_null_accept(struct svc_rqst *rqstp, u32 *authp)
return SVC_DROP; /* kmalloc failure - client must retry */
/* Put NULL verifier */
svc_putu32(resv, RPC_AUTH_NULL);
svc_putu32(resv, 0);
svc_putnl(resv, RPC_AUTH_NULL);
svc_putnl(resv, 0);
return SVC_OK;
}
@ -488,31 +488,31 @@ svcauth_unix_accept(struct svc_rqst *rqstp, u32 *authp)
svc_getu32(argv); /* length */
svc_getu32(argv); /* time stamp */
slen = XDR_QUADLEN(ntohl(svc_getu32(argv))); /* machname length */
slen = XDR_QUADLEN(svc_getnl(argv)); /* machname length */
if (slen > 64 || (len -= (slen + 3)*4) < 0)
goto badcred;
argv->iov_base = (void*)((u32*)argv->iov_base + slen); /* skip machname */
argv->iov_len -= slen*4;
cred->cr_uid = ntohl(svc_getu32(argv)); /* uid */
cred->cr_gid = ntohl(svc_getu32(argv)); /* gid */
slen = ntohl(svc_getu32(argv)); /* gids length */
cred->cr_uid = svc_getnl(argv); /* uid */
cred->cr_gid = svc_getnl(argv); /* gid */
slen = svc_getnl(argv); /* gids length */
if (slen > 16 || (len -= (slen + 2)*4) < 0)
goto badcred;
cred->cr_group_info = groups_alloc(slen);
if (cred->cr_group_info == NULL)
return SVC_DROP;
for (i = 0; i < slen; i++)
GROUP_AT(cred->cr_group_info, i) = ntohl(svc_getu32(argv));
GROUP_AT(cred->cr_group_info, i) = svc_getnl(argv);
if (svc_getu32(argv) != RPC_AUTH_NULL || svc_getu32(argv) != 0) {
if (svc_getu32(argv) != htonl(RPC_AUTH_NULL) || svc_getu32(argv) != 0) {
*authp = rpc_autherr_badverf;
return SVC_DENIED;
}
/* Put NULL verifier */
svc_putu32(resv, RPC_AUTH_NULL);
svc_putu32(resv, 0);
svc_putnl(resv, RPC_AUTH_NULL);
svc_putnl(resv, 0);
return SVC_OK;