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Message type for VFS_CHECKPERMS

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Change-Id: Ie97bb7362d108ebba268c719a6614fc2fe1392cf
This commit is contained in:
Lionel Sambuc 2014-05-12 12:53:20 +02:00
parent a57fc8f683
commit 8830643ac3
4 changed files with 17 additions and 10 deletions
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5
include/minix/callnr.h
View file

@ -232,11 +232,6 @@
#define NR_VFS_CALLS 49 /* highest number from base plus one */
/* Field names for the checkperms(2) call. */
#define VFS_CHECKPERMS_ENDPT m2_i1 /* endpoint_t */
#define VFS_CHECKPERMS_GRANT m2_i2 /* cp_grant_id_t */
#define VFS_CHECKPERMS_COUNT m2_i3 /* size_t */
/* Field names for the copyfd(2) call. */
#define VFS_COPYFD_ENDPT m1_i1 /* endpoint_t */
#define VFS_COPYFD_FD m1_i2 /* int */

11
include/minix/ipc.h
View file

@ -211,6 +211,15 @@ typedef struct {
} mess_lc_vfs_umount;
_ASSERT_MSG_SIZE(mess_lc_vfs_umount);
typedef struct {
endpoint_t endpt;
cp_grant_id_t grant;
size_t count;
uint8_t padding[44];
} mess_lsys_vfs_checkperms;
_ASSERT_MSG_SIZE(mess_lsys_vfs_checkperms);
typedef struct {
dev_t device;
off_t seek_pos;
@ -669,6 +678,8 @@ typedef struct {
mess_lc_vfs_statvfs1 m_lc_vfs_statvfs1;
mess_lc_vfs_umount m_lc_vfs_umount;
mess_lsys_vfs_checkperms m_lsys_vfs_checkperms;
mess_vfs_fs_breadwrite m_vfs_fs_breadwrite;
mess_vfs_fs_chmod m_vfs_fs_chmod;
mess_vfs_fs_chown m_vfs_fs_chown;

6
lib/libsys/checkperms.c
View file

@ -16,9 +16,9 @@ checkperms(endpoint_t endpt, char *path, size_t size)
return ENOMEM;
memset(&m, 0, sizeof(m));
m.VFS_CHECKPERMS_ENDPT = endpt;
m.VFS_CHECKPERMS_GRANT = grant;
m.VFS_CHECKPERMS_COUNT = size;
m.m_lsys_vfs_checkperms.endpt = endpt;
m.m_lsys_vfs_checkperms.grant = grant;
m.m_lsys_vfs_checkperms.count = size;
r = _taskcall(VFS_PROC_NR, VFS_CHECKPERMS, &m);

5
servers/vfs/path.c
View file

@ -872,6 +872,7 @@ int do_checkperms(void)
/* This should be replaced by an ACL check. */
if (!super_user) return EPERM;
return check_perms(job_m_in.VFS_CHECKPERMS_ENDPT,
job_m_in.VFS_CHECKPERMS_GRANT, (size_t) job_m_in.VFS_CHECKPERMS_COUNT);
return check_perms(job_m_in.m_lsys_vfs_checkperms.endpt,
job_m_in.m_lsys_vfs_checkperms.grant,
job_m_in.m_lsys_vfs_checkperms.count);
}