diff options
Diffstat (limited to 'src/quotacheck')
| l--------- | src/quotacheck/Makefile | 1 | ||||
| -rw-r--r-- | src/quotacheck/quotacheck.c | 120 |
2 files changed, 121 insertions, 0 deletions
diff --git a/src/quotacheck/Makefile b/src/quotacheck/Makefile new file mode 120000 index 0000000000..d0b0e8e008 --- /dev/null +++ b/src/quotacheck/Makefile @@ -0,0 +1 @@ +../Makefile
\ No newline at end of file diff --git a/src/quotacheck/quotacheck.c b/src/quotacheck/quotacheck.c new file mode 100644 index 0000000000..05e4971487 --- /dev/null +++ b/src/quotacheck/quotacheck.c @@ -0,0 +1,120 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + This file is part of systemd. + + Copyright 2010 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 <stdio.h> +#include <stdbool.h> +#include <string.h> +#include <errno.h> +#include <unistd.h> + +#include "util.h" +#include "virt.h" + +static bool arg_skip = false; +static bool arg_force = false; + +static int parse_proc_cmdline(void) { + char *line, *w, *state; + int r; + size_t l; + + if (detect_container(NULL) > 0) + return 0; + + if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) { + log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r)); + return 0; + } + + FOREACH_WORD_QUOTED(w, l, line, state) { + + if (strneq(w, "quotacheck.mode=auto", l)) + arg_force = arg_skip = false; + else if (strneq(w, "quotacheck.mode=force", l)) + arg_force = true; + else if (strneq(w, "quotacheck.mode=skip", l)) + arg_skip = true; + else if (startswith(w, "quotacheck")) + log_warning("Invalid quotacheck parameter. Ignoring."); +#if defined(TARGET_FEDORA) || defined(TARGET_MANDRIVA) || defined(TARGET_MAGEIA) + else if (strneq(w, "forcequotacheck", l)) + arg_force = true; +#endif + } + + free(line); + return 0; +} + +static void test_files(void) { +#if defined(TARGET_FEDORA) || defined(TARGET_MANDRIVA) || defined(TARGET_MAGEIA) + /* This exists only on Fedora, Mandriva or Mageia */ + if (access("/forcequotacheck", F_OK) >= 0) + arg_force = true; +#endif +} + +int main(int argc, char *argv[]) { + static const char * const cmdline[] = { + "/sbin/quotacheck", + "-anug", + NULL + }; + + int r = EXIT_FAILURE; + pid_t pid; + + if (argc > 1) { + log_error("This program takes no arguments."); + return EXIT_FAILURE; + } + + log_set_target(LOG_TARGET_AUTO); + log_parse_environment(); + log_open(); + + umask(0022); + + parse_proc_cmdline(); + test_files(); + + if (!arg_force) { + if (arg_skip) + return 0; + + if (access("/run/systemd/quotacheck", F_OK) < 0) + return 0; + } + + if ((pid = fork()) < 0) { + log_error("fork(): %m"); + goto finish; + } else if (pid == 0) { + /* Child */ + execv(cmdline[0], (char**) cmdline); + _exit(1); /* Operational error */ + } + + r = wait_for_terminate_and_warn("quotacheck", pid) == 0 ? EXIT_SUCCESS : EXIT_FAILURE; + +finish: + return r; +} |