diff --git a/hw/virtio-9p-debug.c b/hw/virtio-9p-debug.c index 6a527ce642..949a4bf8c7 100644 --- a/hw/virtio-9p-debug.c +++ b/hw/virtio-9p-debug.c @@ -367,6 +367,17 @@ void pprint_pdu(V9fsPDU *pdu) pprint_data(pdu, 1, &offset, ", data"); #endif break; + case P9_TMKDIR: + fprintf(llogfile, "TMKDIR: ("); + pprint_int32(pdu, 0, &offset, "fid"); + pprint_str(pdu, 0, &offset, "name"); + pprint_int32(pdu, 0, &offset, "mode"); + pprint_int32(pdu, 0, &offset, "gid"); + break; + case P9_RMKDIR: + fprintf(llogfile, "RMKDIR: ("); + pprint_qid(pdu, 0, &offset, "qid"); + break; case P9_TVERSION: fprintf(llogfile, "TVERSION: ("); pprint_int32(pdu, 0, &offset, "msize"); diff --git a/hw/virtio-9p.c b/hw/virtio-9p.c index 41be585eb5..7ea0e96889 100644 --- a/hw/virtio-9p.c +++ b/hw/virtio-9p.c @@ -172,15 +172,17 @@ static int v9fs_do_mknod(V9fsState *s, char *name, return s->ops->mknod(&s->ctx, name, &cred); } -static int v9fs_do_mkdir(V9fsState *s, V9fsCreateState *vs) +static int v9fs_do_mkdir(V9fsState *s, char *name, mode_t mode, + uid_t uid, gid_t gid) { FsCred cred; cred_init(&cred); - cred.fc_uid = vs->fidp->uid; - cred.fc_mode = vs->perm & 0777; + cred.fc_uid = uid; + cred.fc_gid = gid; + cred.fc_mode = mode; - return s->ops->mkdir(&s->ctx, vs->fullname.data, &cred); + return s->ops->mkdir(&s->ctx, name, &cred); } static int v9fs_do_fstat(V9fsState *s, int fd, struct stat *stbuf) @@ -2294,7 +2296,8 @@ static void v9fs_create_post_lstat(V9fsState *s, V9fsCreateState *vs, int err) } if (vs->perm & P9_STAT_MODE_DIR) { - err = v9fs_do_mkdir(s, vs); + err = v9fs_do_mkdir(s, vs->fullname.data, vs->perm & 0777, + vs->fidp->uid, -1); v9fs_create_post_mkdir(s, vs, err); } else if (vs->perm & P9_STAT_MODE_SYMLINK) { err = v9fs_do_symlink(s, vs->fidp, vs->extension.data, @@ -2924,6 +2927,75 @@ out: qemu_free(vs); } +static void v9fs_mkdir_post_lstat(V9fsState *s, V9fsMkState *vs, int err) +{ + if (err == -1) { + err = -errno; + goto out; + } + + stat_to_qid(&vs->stbuf, &vs->qid); + vs->offset += pdu_marshal(vs->pdu, vs->offset, "Q", &vs->qid); + err = vs->offset; +out: + complete_pdu(s, vs->pdu, err); + v9fs_string_free(&vs->fullname); + v9fs_string_free(&vs->name); + qemu_free(vs); +} + +static void v9fs_mkdir_post_mkdir(V9fsState *s, V9fsMkState *vs, int err) +{ + if (err == -1) { + err = -errno; + goto out; + } + + err = v9fs_do_lstat(s, &vs->fullname, &vs->stbuf); + v9fs_mkdir_post_lstat(s, vs, err); + return; +out: + complete_pdu(s, vs->pdu, err); + v9fs_string_free(&vs->fullname); + v9fs_string_free(&vs->name); + qemu_free(vs); +} + +static void v9fs_mkdir(V9fsState *s, V9fsPDU *pdu) +{ + int32_t fid; + V9fsMkState *vs; + int err = 0; + V9fsFidState *fidp; + gid_t gid; + int mode; + + vs = qemu_malloc(sizeof(*vs)); + vs->pdu = pdu; + vs->offset = 7; + + v9fs_string_init(&vs->fullname); + pdu_unmarshal(vs->pdu, vs->offset, "dsdd", &fid, &vs->name, &mode, + &gid); + + fidp = lookup_fid(s, fid); + if (fidp == NULL) { + err = -ENOENT; + goto out; + } + + v9fs_string_sprintf(&vs->fullname, "%s/%s", fidp->path.data, vs->name.data); + err = v9fs_do_mkdir(s, vs->fullname.data, mode, fidp->uid, gid); + v9fs_mkdir_post_mkdir(s, vs, err); + return; + +out: + complete_pdu(s, vs->pdu, err); + v9fs_string_free(&vs->fullname); + v9fs_string_free(&vs->name); + qemu_free(vs); +} + typedef void (pdu_handler_t)(V9fsState *s, V9fsPDU *pdu); static pdu_handler_t *pdu_handlers[] = { @@ -2932,6 +3004,7 @@ static pdu_handler_t *pdu_handlers[] = { [P9_TGETATTR] = v9fs_getattr, [P9_TSETATTR] = v9fs_setattr, [P9_TMKNOD] = v9fs_mknod, + [P9_TMKDIR] = v9fs_mkdir, [P9_TVERSION] = v9fs_version, [P9_TATTACH] = v9fs_attach, [P9_TSTAT] = v9fs_stat, diff --git a/hw/virtio-9p.h b/hw/virtio-9p.h index 8ba45ac10a..91cc0aed0f 100644 --- a/hw/virtio-9p.h +++ b/hw/virtio-9p.h @@ -29,6 +29,8 @@ enum { P9_RREADDIR, P9_TLINK = 70, P9_RLINK, + P9_TMKDIR = 72, + P9_RMKDIR, P9_TVERSION = 100, P9_RVERSION, P9_TAUTH = 102,