efi-boot-generator.c revision 63c372cb9df3bee01e3bf8cd7f96f336bddda846
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2013 Lennart Poettering
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <unistd.h>
#include <stdlib.h>
#include "efivars.h"
#include "path-util.h"
#include "util.h"
#include "mkdir.h"
#include "unit-name.h"
#include "virt.h"
#include "generator.h"
#include "special.h"
static const char *arg_dest = "/tmp";
int r = EXIT_SUCCESS;
char *name;
log_error("This program takes three or no arguments.");
return EXIT_FAILURE;
}
if (argc > 1)
log_open();
umask(0022);
if (in_initrd()) {
log_debug("In initrd, exiting.");
return EXIT_SUCCESS;
}
if (detect_container(NULL) > 0) {
log_debug("In a container, exiting.");
return EXIT_SUCCESS;
}
if (!is_efi_boot()) {
log_debug("Not an EFI boot, exiting.");
return EXIT_SUCCESS;
}
if (path_is_mount_point("/boot", true) <= 0 &&
dir_is_empty("/boot") <= 0) {
log_debug("/boot already populated, exiting.");
return EXIT_SUCCESS;
}
if (r == -ENOENT) {
log_debug("EFI loader partition unknown, exiting.");
return EXIT_SUCCESS;
} else if (r < 0) {
log_error_errno(r, "Failed to read ESP partition UUID: %m");
return EXIT_FAILURE;
}
if (!f) {
return EXIT_FAILURE;
}
"/dev/disk/by-partuuid/%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
if (r < 0) {
log_oom();
return EXIT_FAILURE;
}
fprintf(f,
"# Automatially generated by systemd-efi-boot-generator\n\n"
"[Unit]\n"
"Description=EFI System Partition\n"
"Documentation=man:systemd-efi-boot-generator(8)\n");
if (r < 0)
return EXIT_FAILURE;
fprintf(f,
"\n"
"[Mount]\n"
"What=%s\n"
"Where=/boot\n"
"Type=vfat\n"
"Options=umask=0077,noauto\n",
what);
fflush(f);
if (ferror(f)) {
return EXIT_FAILURE;
}
fclose(f);
if (!f) {
return EXIT_FAILURE;
}
fputs("# Automatially generated by systemd-efi-boot-generator\n\n"
"[Unit]\n"
"Description=EFI System Partition Automount\n\n"
"[Automount]\n"
"Where=/boot\n", f);
fflush(f);
if (ferror(f)) {
return EXIT_FAILURE;
}
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}