korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-01 08:04:22 +08:00
Code Issues Packages Projects Releases Wiki Activity

NFSD: Error out when getting more than one fsloc/secinfo/uuid

Browse Source 
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Kinglong Mee 2014-05-24 11:19:57 +08:00 committed by J. Bruce Fields
parent 1f53146da9
commit be69da8052
1 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
fs/nfsd/export.c
View File

@ -389,6 +389,10 @@ fsloc_parse(char **mesg, char *buf, struct nfsd4_fs_locations *fsloc)
int len; int len;
int migrated, i, err; int migrated, i, err;
/* more than one fsloc */
if (fsloc->locations)
return -EINVAL;
/* listsize */ /* listsize */
err = get_uint(mesg, &fsloc->locations_count); err = get_uint(mesg, &fsloc->locations_count);
if (err) if (err)
@ -442,6 +446,10 @@ static int secinfo_parse(char **mesg, char *buf, struct svc_export *exp)
u32 listsize; u32 listsize;
int err; int err;
/* more than one secinfo */
if (exp->ex_nflavors)
return -EINVAL;
err = get_uint(mesg, &listsize); err = get_uint(mesg, &listsize);
if (err) if (err)
return err; return err;
@ -481,6 +489,10 @@ uuid_parse(char **mesg, char *buf, unsigned char **puuid)
{ {
int len; int len;
/* more than one uuid */
if (*puuid)
return -EINVAL;
/* expect a 16 byte uuid encoded as \xXXXX... */ /* expect a 16 byte uuid encoded as \xXXXX... */
len = qword_get(mesg, buf, PAGE_SIZE); len = qword_get(mesg, buf, PAGE_SIZE);
if (len != EX_UUID_LEN) if (len != EX_UUID_LEN)