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virtio-9p: Security model for chmod

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Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Venkateswararao Jujjuri (JV) 2010-06-14 13:34:42 -07:00 • committed by Anthony Liguori
parent 758e8e38eb
commit e95ead32ef
3 changed files with 12 additions and 6 deletions
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11
hw/virtio-9p-local.c
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@ -129,9 +129,14 @@ static ssize_t local_writev(FsContext *ctx, int fd, const struct iovec *iov,
return writev(fd, iov, iovcnt);
}
static int local_chmod(FsContext *ctx, const char *path, mode_t mode)
static int local_chmod(FsContext *fs_ctx, const char *path, FsCred *credp)
{
return chmod(rpath(ctx, path), mode);
if (fs_ctx->fs_sm == SM_MAPPED) {
return local_set_xattr(rpath(fs_ctx, path), credp);
} else if (fs_ctx->fs_sm == SM_PASSTHROUGH) {
return chmod(rpath(fs_ctx, path), credp->fc_mode);
}
return -1;
}
static int local_mknod(FsContext *ctx, const char *path, mode_t mode, dev_t dev)
@ -253,8 +258,6 @@ static int local_remove(FsContext *ctx, const char *path)
static int local_fsync(FsContext *ctx, int fd)
{
if (0) /* Just to supress the warning. Will be removed in next patch. */
(void)local_set_xattr(NULL, NULL);
return fsync(fd);
}