diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/includes/rc-misc.h | 1 | ||||
| -rw-r--r-- | src/rc/.gitignore | 2 | ||||
| -rw-r--r-- | src/rc/Makefile | 4 | ||||
| -rw-r--r-- | src/rc/builtins.h | 1 | ||||
| -rw-r--r-- | src/rc/rc-applets.c | 2 | ||||
| -rw-r--r-- | src/rc/swclock.c | 110 |
6 files changed, 118 insertions, 2 deletions
diff --git a/src/includes/rc-misc.h b/src/includes/rc-misc.h index de6888e4..798df55b 100644 --- a/src/includes/rc-misc.h +++ b/src/includes/rc-misc.h @@ -35,6 +35,7 @@ #include <sys/stat.h> #include <errno.h> #include <stdbool.h> +#include <stdlib.h> #include <string.h> #define RC_LEVEL_BOOT "boot" diff --git a/src/rc/.gitignore b/src/rc/.gitignore index d06e8579..e14788ff 100644 --- a/src/rc/.gitignore +++ b/src/rc/.gitignore @@ -38,6 +38,7 @@ service_crashed checkpath fstabinfo mountinfo +swclock rc-depend service_get_value service_set_value @@ -59,6 +60,7 @@ checkpath.o fstabinfo.o mountinfo.o start-stop-daemon.o +swclock.o rc-applets.o rc-depend.o rc-logger.o diff --git a/src/rc/Makefile b/src/rc/Makefile index 78b862df..d9f8e11b 100644 --- a/src/rc/Makefile +++ b/src/rc/Makefile @@ -2,7 +2,7 @@ PROG= rc SRCS= checkpath.c fstabinfo.c mountinfo.c start-stop-daemon.c \ rc-applets.c rc-depend.c rc-logger.c \ rc-misc.c rc-plugin.c rc-service.c rc-status.c rc-update.c \ - runscript.c rc.c + runscript.c rc.c swclock.c CLEANFILES= version.h @@ -26,7 +26,7 @@ RC_SBINLINKS= mark_service_starting mark_service_started \ mark_service_stopping mark_service_stopped \ mark_service_inactive mark_service_wasinactive \ mark_service_hotplugged mark_service_failed \ - rc-abort + rc-abort swclock ALL_LINKS= ${BINLINKS} ${SBINLINKS} ${RC_BINLINKS} ${RC_SBINLINKS} CLEANFILES+= ${ALL_LINKS} diff --git a/src/rc/builtins.h b/src/rc/builtins.h index 6ce2164d..1acaccbd 100644 --- a/src/rc/builtins.h +++ b/src/rc/builtins.h @@ -35,6 +35,7 @@ int rc_status(int, char **); int rc_update(int, char **); int runscript(int, char **); int start_stop_daemon(int, char **); +int swclock(int, char **); void run_applets(int, char **); diff --git a/src/rc/rc-applets.c b/src/rc/rc-applets.c index 101097cf..04e88de9 100644 --- a/src/rc/rc-applets.c +++ b/src/rc/rc-applets.c @@ -449,6 +449,8 @@ run_applets(int argc, char **argv) exit(start_stop_daemon(argc, argv)); else if (strcmp (applet, "checkpath") == 0) exit(checkpath(argc, argv)); + else if (strcmp(applet, "swclock") == 0) + exit(swclock(argc, argv)); /* These could also be applications in their own right */ if (strcmp(applet, "shell_var") == 0) diff --git a/src/rc/swclock.c b/src/rc/swclock.c new file mode 100644 index 00000000..39d65631 --- /dev/null +++ b/src/rc/swclock.c @@ -0,0 +1,110 @@ +/* + swclock.c + Sets the system time from the mtime of the given file. + This is useful for systems who do not have a working RTC and rely on ntp. + OpenRC relies on the correct system time for a lot of operations so this is needed + quite early. +*/ + +/* + * Copyright (c) 2009 Roy Marples <roy@marples.name> + * 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/time.h> +#include <sys/types.h> +#include <sys/stat.h> + +#include <errno.h> +#include <fcntl.h> +#include <getopt.h> +#include <unistd.h> +#include <utime.h> + +#include "builtins.h" +#include "einfo.h" +#include "rc-misc.h" + +#define RC_SHUTDOWNTIME RC_SVCDIR "/shutdowntime" + +extern const char *applet; + +#include "_usage.h" +#define extraopts "file" +#define getoptstring "s" getoptstring_COMMON +static const struct option longopts[] = { + { "save", 0, NULL, 's' }, + longopts_COMMON +}; +static const char * const longopts_help[] = { + "saves the time", + longopts_help_COMMON +}; +#include "_usage.c" + +int +swclock(int argc, char **argv) +{ + int opt, sflag = 0; + const char *file = RC_SHUTDOWNTIME; + struct stat sb; + struct timeval tv; + + while ((opt = getopt_long(argc, argv, getoptstring, + longopts, (int *) 0)) != -1) + { + switch (opt) { + case 's': + sflag = 1; + break; + case_RC_COMMON_GETOPT; + } + } + + if (optind < argc) + file = argv[optind++]; + + if (sflag) { + if (stat(file, &sb) == -1) { + opt = open(file, O_WRONLY | O_CREAT, 0644); + if (opt == -1) + eerrorx("swclock: open: %s", strerror(errno)); + close(opt); + } else + if (utime(file, NULL) == -1) + eerrorx("swclock: utime: %s", strerror(errno)); + return 0; + } + + if (stat(file, &sb) == -1) + eerrorx("swclock: `%s': %s", file, strerror(errno)); + + tv.tv_sec = sb.st_mtime; + tv.tv_usec = 0; + + if (settimeofday(&tv, NULL) == -1) + eerrorx("swclock: settimeofday: %s", strerror(errno)); + + return 0; +} |