diff options
| -rw-r--r-- | usr.sbin/vmd/parse.y | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/usr.sbin/vmd/parse.y b/usr.sbin/vmd/parse.y index 545c7679049..5afa28b8f08 100644 --- a/usr.sbin/vmd/parse.y +++ b/usr.sbin/vmd/parse.y @@ -1,4 +1,4 @@ -/* $OpenBSD: parse.y,v 1.45 2018/10/01 09:31:15 reyk Exp $ */ +/* $OpenBSD: parse.y,v 1.46 2018/10/18 08:36:11 reyk Exp $ */ /* * Copyright (c) 2007-2016 Reyk Floeter <reyk@openbsd.org> @@ -416,20 +416,26 @@ vm_opts : disable { vmc.vmc_flags |= VMOP_CREATE_NETWORK; } | BOOT string { + char path[PATH_MAX]; + if (vcp->vcp_kernel[0] != '\0') { yyerror("kernel specified more than once"); free($2); YYERROR; } - if (strlcpy(vcp->vcp_kernel, $2, + if (realpath($2, path) == NULL) { + yyerror("kernel path not found"); + free($2); + YYERROR; + } + free($2); + if (strlcpy(vcp->vcp_kernel, path, sizeof(vcp->vcp_kernel)) >= sizeof(vcp->vcp_kernel)) { yyerror("kernel name too long"); - free($2); YYERROR; } - free($2); vmc.vmc_flags |= VMOP_CREATE_KERNEL; } | CDROM string { |