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Check group range for sanity

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This commit is contained in:
Thomas Veerman 2011-09-08 12:23:03 +00:00
parent 8a0901c4cb
commit f78fb05676
3 changed files with 11 additions and 2 deletions
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4
servers/ext2/protect.c
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@ -129,6 +129,10 @@ PUBLIC int forbidden(register struct inode *rip, mode_t access_desired)
PRIVATE int in_group(gid_t grp) PRIVATE int in_group(gid_t grp)
{ {
int i; int i;
if (credentials.vu_ngroups >= NGROUPS_MAX)
return(EINVAL);
for (i = 0; i < credentials.vu_ngroups; i++) for (i = 0; i < credentials.vu_ngroups; i++)
if (credentials.vu_sgroups[i] == grp) if (credentials.vu_sgroups[i] == grp)
return(OK); return(OK);

1
servers/mfs/pipe.c
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@ -0,0 +1 @@

4
servers/mfs/protect.c
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@ -123,6 +123,10 @@ PUBLIC int forbidden(register struct inode *rip, mode_t access_desired)
PRIVATE int in_group(gid_t grp) PRIVATE int in_group(gid_t grp)
{ {
int i; int i;
if (credentials.vu_ngroups >= NGROUPS_MAX)
return(EINVAL);
for (i = 0; i < credentials.vu_ngroups; i++) for (i = 0; i < credentials.vu_ngroups; i++)
if (credentials.vu_sgroups[i] == grp) if (credentials.vu_sgroups[i] == grp)
return(OK); return(OK);