From owner-svn-src-all@freebsd.org Thu Apr 18 05:40:51 2019 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id BB2AC15889CA; Thu, 18 Apr 2019 05:40:51 +0000 (UTC) (envelope-from imp@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 5DD4077358; Thu, 18 Apr 2019 05:40:51 +0000 (UTC) (envelope-from imp@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 395731A765; Thu, 18 Apr 2019 05:40:51 +0000 (UTC) (envelope-from imp@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x3I5epgp086204; Thu, 18 Apr 2019 05:40:51 GMT (envelope-from imp@FreeBSD.org) Received: (from imp@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x3I5eo96086202; Thu, 18 Apr 2019 05:40:50 GMT (envelope-from imp@FreeBSD.org) Message-Id: <201904180540.x3I5eo96086202@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: imp set sender to imp@FreeBSD.org using -f From: Warner Losh Date: Thu, 18 Apr 2019 05:40:50 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r346346 - in head/stand/efi: include libefi X-SVN-Group: head X-SVN-Commit-Author: imp X-SVN-Commit-Paths: in head/stand/efi: include libefi X-SVN-Commit-Revision: 346346 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 5DD4077358 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.95 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.95)[-0.951,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-1.000,0] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Apr 2019 05:40:51 -0000 Author: imp Date: Thu Apr 18 05:40:50 2019 New Revision: 346346 URL: https://svnweb.freebsd.org/changeset/base/346346 Log: Add efi_delenv Add an interface to remove / delete UEFI variables. Modified: head/stand/efi/include/efilib.h head/stand/efi/libefi/efienv.c Modified: head/stand/efi/include/efilib.h ============================================================================== --- head/stand/efi/include/efilib.h Thu Apr 18 05:37:18 2019 (r346345) +++ head/stand/efi/include/efilib.h Thu Apr 18 05:40:50 2019 (r346346) @@ -122,6 +122,7 @@ void cpy16to8(const CHAR16 *, char *, size_t); * the loader setting / getting FreeBSD specific variables. */ +EFI_STATUS efi_delenv(EFI_GUID *guid, const char *varname); EFI_STATUS efi_freebsd_getenv(const char *v, void *data, __size_t *len); EFI_STATUS efi_getenv(EFI_GUID *g, const char *v, void *data, __size_t *len); EFI_STATUS efi_global_getenv(const char *v, void *data, __size_t *len); Modified: head/stand/efi/libefi/efienv.c ============================================================================== --- head/stand/efi/libefi/efienv.c Thu Apr 18 05:37:18 2019 (r346345) +++ head/stand/efi/libefi/efienv.c Thu Apr 18 05:40:50 2019 (r346346) @@ -103,3 +103,21 @@ efi_setenv_freebsd_wcs(const char *varname, CHAR16 *va return (rv); } +/* + * efi_delenv -- deletes the specified env variable + */ +EFI_STATUS +efi_delenv(EFI_GUID *guid, const char *name) +{ + CHAR16 *var; + size_t len; + EFI_STATUS rv; + + var = NULL; + if (utf8_to_ucs2(name, &var, &len) != 0) + return (EFI_OUT_OF_RESOURCES); + + rv = RS->SetVariable(var, guid, 0, 0, NULL); + free(var); + return rv; +}