diff options
| -rw-r--r-- | usr.sbin/Makefile | 2 | ||||
| -rw-r--r-- | usr.sbin/efidp/Makefile | 8 | ||||
| -rw-r--r-- | usr.sbin/efidp/Makefile.depend | 19 | ||||
| -rw-r--r-- | usr.sbin/efidp/efidp.8 | 53 | ||||
| -rw-r--r-- | usr.sbin/efidp/efidp.c | 148 |
5 files changed, 229 insertions, 1 deletions
diff --git a/usr.sbin/Makefile b/usr.sbin/Makefile index ac33d277b73a..0aa63a8fb947 100644 --- a/usr.sbin/Makefile +++ b/usr.sbin/Makefile @@ -125,7 +125,7 @@ SUBDIR.${MK_BSNMP}+= bsnmpd SUBDIR.${MK_CTM}+= ctm SUBDIR.${MK_CXGBETOOL}+= cxgbetool SUBDIR.${MK_DIALOG}+= bsdconfig -SUBDIR.${MK_EFI}+= efivar +SUBDIR.${MK_EFI}+= efivar efidp SUBDIR.${MK_FLOPPY}+= fdcontrol SUBDIR.${MK_FLOPPY}+= fdformat SUBDIR.${MK_FLOPPY}+= fdread diff --git a/usr.sbin/efidp/Makefile b/usr.sbin/efidp/Makefile new file mode 100644 index 000000000000..67358cba0374 --- /dev/null +++ b/usr.sbin/efidp/Makefile @@ -0,0 +1,8 @@ +# $FreeBSD$ + +PROG= efidp +MAN= efidp.8 + +LIBADD= efivar + +.include <bsd.prog.mk> diff --git a/usr.sbin/efidp/Makefile.depend b/usr.sbin/efidp/Makefile.depend new file mode 100644 index 000000000000..8af72d7991ad --- /dev/null +++ b/usr.sbin/efidp/Makefile.depend @@ -0,0 +1,19 @@ +# $FreeBSD$ +# Autogenerated - do NOT edit! + +DIRDEPS = \ + gnu/lib/csu \ + gnu/lib/libgcc \ + include \ + include/xlocale \ + lib/${CSU_DIR} \ + lib/libc \ + lib/libcompiler_rt \ + lib/libefivar \ + + +.include <dirdeps.mk> + +.if ${DEP_RELDIR} == ${_DEP_RELDIR} +# local dependencies - needed for -jN in clean tree +.endif diff --git a/usr.sbin/efidp/efidp.8 b/usr.sbin/efidp/efidp.8 new file mode 100644 index 000000000000..94b298cbcc99 --- /dev/null +++ b/usr.sbin/efidp/efidp.8 @@ -0,0 +1,53 @@ +.\" Copyright (c) 2017 Netflix, Inc +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" $FreeBSD$ +.\" +.Dd March 5, 2017 +.Dt EFIDP 8 +.Os +.Sh NAME +.Nm efidp +.Nd UEFI Device Path manipulation +.Sh SYNOPSIS +.Nm +.Op Fl fp +.Op Fl -parse +.Op Fl -format +.Sh DESCRIPTION +This program manages +.Dq Unified Extensible Firmware Interface +.Pq UEFI +Device Paths, as defined in the UEFI standard. +.Sh SEE ALSO +Appendix A of the UEFI specification has the format for GUIDs. +All GUIDs +.Dq Globally Unique Identifiers +have the format described in RFC 4122. +.El +.Sh HISTORY +The +.Nm +utility first appeared in +.Fx 12.0 . diff --git a/usr.sbin/efidp/efidp.c b/usr.sbin/efidp/efidp.c new file mode 100644 index 000000000000..a96cf9f70b6d --- /dev/null +++ b/usr.sbin/efidp/efidp.c @@ -0,0 +1,148 @@ +/*- + * Copyright (c) 2016 Netflix, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <efivar.h> +#include <efivar-dp.h> +#include <err.h> +#include <getopt.h> +#include <stddef.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +/* options descriptor */ +static struct option longopts[] = { + { "format", no_argument, NULL, 'f' }, + { "parse", no_argument, NULL, 'p' }, + { NULL, 0, NULL, 0 } +}; + + +static int flag_format, flag_parse; + +static void +usage(void) +{ + + errx(1, "efidp [-fp]"); +} + +static ssize_t +read_file(int fd, void **rv) +{ + uint8_t *retval; + size_t len; + off_t off; + ssize_t red; + + len = 4096; + off = 0; + retval = malloc(len); + do { + red = read(fd, retval + off, len - off); + off += red; + if (red < (ssize_t)(len - off)) + break; + len *= 2; + retval = reallocf(retval, len); + if (retval == NULL) + return -1; + } while (1); + *rv = retval; + + return off; +} + +static void +parse_args(int argc, char **argv) +{ + int ch; + + while ((ch = getopt_long(argc, argv, "fp", + longopts, NULL)) != -1) { + switch (ch) { + case 'f': + flag_format++; + break; + case 'p': + flag_parse++; + break; + default: + usage(); + } + } + argc -= optind; + argv += optind; + + if (argc >= 1) + usage(); + + if (flag_parse + flag_format != 1) { + warnx("Can only use one of -p (--parse), " + "and -f (--format)"); + usage(); + } +} + +int +main(int argc, char **argv) +{ + void *data; + ssize_t len; + + parse_args(argc, argv); + len = read_file(STDIN_FILENO, &data); + if (len == -1) + err(1, "read"); + if (flag_format) { + char buffer[4096]; + ssize_t fmtlen; + + fmtlen = efidp_format_device_path(buffer, sizeof(buffer), + (const_efidp)data, len); + if (fmtlen > 0) + printf("%s\n", buffer); + free(data); + } else if (flag_parse) { + efidp dp; + ssize_t dplen; + char *str; + + dp = malloc(8192); + str = realloc(data, len + 1); + if (str == NULL || dp == NULL) + errx(1, "Can't allocate memory."); + str[len] = '\0'; + dplen = efidp_parse_device_path(str, dp, 8192); + if (dplen == -1) + errx(1, "Can't parse %s", str); + write(STDOUT_FILENO, dp, dplen); + } +} |