diff options
Diffstat (limited to 'hw/virtio-9p.c')
-rw-r--r-- | hw/virtio-9p.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/hw/virtio-9p.c b/hw/virtio-9p.c index 2530488..a7ba4b6 100644 --- a/hw/virtio-9p.c +++ b/hw/virtio-9p.c @@ -67,14 +67,17 @@ static int omode_to_uflags(int8_t mode) return ret; } -static int v9fs_do_lstat(V9fsState *s, V9fsString *path, struct stat *stbuf) +void cred_init(FsCred *credp) { - return s->ops->lstat(&s->ctx, path->data, stbuf); + credp->fc_uid = -1; + credp->fc_gid = -1; + credp->fc_mode = -1; + credp->fc_rdev = -1; } -static int v9fs_do_setuid(V9fsState *s, uid_t uid) +static int v9fs_do_lstat(V9fsState *s, V9fsString *path, struct stat *stbuf) { - return s->ops->setuid(&s->ctx, uid); + return s->ops->lstat(&s->ctx, path->data, stbuf); } static ssize_t v9fs_do_readlink(V9fsState *s, V9fsString *path, V9fsString *buf) @@ -348,7 +351,6 @@ static V9fsFidState *lookup_fid(V9fsState *s, int32_t fid) for (f = s->fid_list; f; f = f->next) { if (f->fid == fid) { - v9fs_do_setuid(s, f->uid); return f; } } @@ -2253,8 +2255,15 @@ VirtIODevice *virtio_9p_init(DeviceState *dev, V9fsConf *conf) exit(1); } - if (!strcmp(fse->security_model, "passthrough") && - !strcmp(fse->security_model, "mapped")) { + if (!strcmp(fse->security_model, "passthrough")) { + /* Files on the Fileserver set to client user credentials */ + s->ctx.fs_sm = SM_PASSTHROUGH; + } else if (!strcmp(fse->security_model, "mapped")) { + /* Files on the fileserver are set to QEMU credentials. + * Client user credentials are saved in extended attributes. + */ + s->ctx.fs_sm = SM_MAPPED; + } else { /* user haven't specified a correct security option */ fprintf(stderr, "one of the following must be specified as the" "security option:\n\t security_model=passthrough \n\t " |