diff options
Diffstat (limited to 'src/update-done')
| l--------- | src/update-done/Makefile | 1 | ||||
| -rw-r--r-- | src/update-done/update-done.c | 112 |
2 files changed, 0 insertions, 113 deletions
diff --git a/src/update-done/Makefile b/src/update-done/Makefile deleted file mode 120000 index d0b0e8e008..0000000000 --- a/src/update-done/Makefile +++ /dev/null @@ -1 +0,0 @@ -../Makefile
\ No newline at end of file diff --git a/src/update-done/update-done.c b/src/update-done/update-done.c deleted file mode 100644 index 44caf84faf..0000000000 --- a/src/update-done/update-done.c +++ /dev/null @@ -1,112 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2014 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - 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 "util.h" -#include "selinux-util.h" - -#define MESSAGE \ - "This file was created by systemd-update-done. Its only \n" \ - "purpose is to hold a timestamp of the time this directory\n" \ - "was updated. See systemd-update-done.service(8).\n" - -static int apply_timestamp(const char *path, struct timespec *ts) { - struct timespec twice[2]; - struct stat st; - - assert(path); - assert(ts); - - if (stat(path, &st) >= 0) { - /* Is the timestamp file already newer than the OS? If so, there's nothing to do. */ - if (st.st_mtim.tv_sec > ts->tv_sec || - (st.st_mtim.tv_sec == ts->tv_sec && st.st_mtim.tv_nsec >= ts->tv_nsec)) - return 0; - - /* It is older? Then let's update it */ - twice[0] = *ts; - twice[1] = *ts; - - if (utimensat(AT_FDCWD, path, twice, AT_SYMLINK_NOFOLLOW) < 0) { - - if (errno == EROFS) - return log_debug("Can't update timestamp file %s, file system is read-only.", path); - - return log_error_errno(errno, "Failed to update timestamp on %s: %m", path); - } - - } else if (errno == ENOENT) { - _cleanup_close_ int fd = -1; - int r; - - /* The timestamp file doesn't exist yet? Then let's create it. */ - - r = mac_selinux_create_file_prepare(path, S_IFREG); - if (r < 0) - return log_error_errno(r, "Failed to set SELinux context for %s: %m", path); - - fd = open(path, O_CREAT|O_EXCL|O_WRONLY|O_TRUNC|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW, 0644); - mac_selinux_create_file_clear(); - - if (fd < 0) { - if (errno == EROFS) - return log_debug("Can't create timestamp file %s, file system is read-only.", path); - - return log_error_errno(errno, "Failed to create timestamp file %s: %m", path); - } - - (void) loop_write(fd, MESSAGE, strlen(MESSAGE), false); - - twice[0] = *ts; - twice[1] = *ts; - - if (futimens(fd, twice) < 0) - return log_error_errno(errno, "Failed to update timestamp on %s: %m", path); - } else - log_error_errno(errno, "Failed to stat() timestamp file %s: %m", path); - - return 0; -} - -int main(int argc, char *argv[]) { - struct stat st; - int r, q = 0; - - log_set_target(LOG_TARGET_AUTO); - log_parse_environment(); - log_open(); - - if (stat("/usr", &st) < 0) { - log_error_errno(errno, "Failed to stat /usr: %m"); - return EXIT_FAILURE; - } - - r = mac_selinux_init(NULL); - if (r < 0) { - log_error_errno(r, "SELinux setup failed: %m"); - goto finish; - } - - r = apply_timestamp("/etc/.updated", &st.st_mtim); - q = apply_timestamp("/var/.updated", &st.st_mtim); - -finish: - return r < 0 || q < 0 ? EXIT_FAILURE : EXIT_SUCCESS; -} |