diff options
Diffstat (limited to 'tools/libxl/libxl.c')
| -rw-r--r-- | tools/libxl/libxl.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c index 9658d6714e..2d2b884baf 100644 --- a/tools/libxl/libxl.c +++ b/tools/libxl/libxl.c @@ -141,6 +141,28 @@ int libxl_domain_rename(libxl_ctx *ctx, uint32_t domid, } } + if (new_name[0]) { + /* nonempty names must be unique */ + uint32_t domid_e; + rc = libxl_name_to_domid(ctx, new_name, &domid_e); + if (rc == ERROR_INVAL) { + /* no such domain, good */ + } else if (rc != 0) { + LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "unexpected error" + "checking for existing domain"); + goto x_rc; + } else if (domid_e == domid) { + /* domain already has this name, ok (but we do still + * need the rest of the code as we may need to check + * old_name, for example). */ + } else { + LIBXL__LOG(ctx, LIBXL__LOG_ERROR, "domain with name \"%s\"" + " already exists.", new_name); + rc = ERROR_INVAL; + goto x_rc; + } + } + if (old_name) { got_old_name = xs_read(ctx->xsh, trans, name_path, &got_old_len); if (!got_old_name) { |