diff options
| author | Michael Biebl <biebl@debian.org> | 2021-02-11 18:11:46 +0100 |
|---|---|---|
| committer | Michael Biebl <biebl@debian.org> | 2021-02-11 18:11:46 +0100 |
| commit | 80ec1decc49c72efec2a8b87c06245c92c0ab807 (patch) | |
| tree | e3b229aa94e8dcf0590f2317664176e7b8f7607b /src/main-utils.c | |
| parent | 65f86e8f56267192d42f2b629fc6b0c99fb9cd0c (diff) | |
New upstream version 1.29.90 upstream/1.29.90
Diffstat (limited to 'src/main-utils.c')
| -rw-r--r-- | src/main-utils.c | 300 |
1 files changed, 0 insertions, 300 deletions
diff --git a/src/main-utils.c b/src/main-utils.c deleted file mode 100644 index 3bc28014..00000000 --- a/src/main-utils.c +++ /dev/null @@ -1,300 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright (C) 2004 - 2012 Red Hat, Inc. - * Copyright (C) 2005 - 2008 Novell, Inc. - */ - -#include "nm-default.h" - -#include <stdio.h> -#include <fcntl.h> -#include <stdlib.h> -#include <unistd.h> -#include <sys/stat.h> -#include <locale.h> - -#include <glib/gstdio.h> -#include <glib-unix.h> - -#include "main-utils.h" -#include "NetworkManagerUtils.h" -#include "nm-config.h" - -static gboolean -sighup_handler(gpointer user_data) -{ - nm_main_config_reload(GPOINTER_TO_INT(user_data)); - return G_SOURCE_CONTINUE; -} - -static gboolean -sigint_handler(gpointer user_data) -{ - GMainLoop *main_loop = user_data; - - nm_log_info(LOGD_CORE, "caught SIGINT, shutting down normally."); - g_main_loop_quit(main_loop); - - return G_SOURCE_REMOVE; -} - -static gboolean -sigterm_handler(gpointer user_data) -{ - GMainLoop *main_loop = user_data; - - nm_log_info(LOGD_CORE, "caught SIGTERM, shutting down normally."); - g_main_loop_quit(main_loop); - - return G_SOURCE_REMOVE; -} - -/** - * nm_main_utils_setup_signals: - * @main_loop: the #GMainLoop to quit when SIGINT or SIGTERM is received - * - * Sets up signal handling for NetworkManager. - */ -void -nm_main_utils_setup_signals(GMainLoop *main_loop) -{ - g_return_if_fail(main_loop != NULL); - - signal(SIGPIPE, SIG_IGN); - - g_unix_signal_add(SIGHUP, sighup_handler, GINT_TO_POINTER(SIGHUP)); - if (nm_glib_check_version(2, 36, 0)) { - g_unix_signal_add(SIGUSR1, sighup_handler, GINT_TO_POINTER(SIGUSR1)); - g_unix_signal_add(SIGUSR2, sighup_handler, GINT_TO_POINTER(SIGUSR2)); - } else - nm_log_warn(LOGD_CORE, - "glib-version: cannot handle SIGUSR1 and SIGUSR2 signals. Consider upgrading " - "glib to 2.36.0 or newer"); - g_unix_signal_add(SIGINT, sigint_handler, main_loop); - g_unix_signal_add(SIGTERM, sigterm_handler, main_loop); -} - -gboolean -nm_main_utils_write_pidfile(const char *pidfile) -{ - char pid[16]; - int fd; - int errsv; - gboolean success = FALSE; - - if ((fd = open(pidfile, O_CREAT | O_WRONLY | O_TRUNC | O_CLOEXEC, 00644)) < 0) { - errsv = errno; - fprintf(stderr, _("Opening %s failed: %s\n"), pidfile, nm_strerror_native(errsv)); - return FALSE; - } - - g_snprintf(pid, sizeof(pid), "%d", getpid()); - if (write(fd, pid, strlen(pid)) < 0) { - errsv = errno; - fprintf(stderr, _("Writing to %s failed: %s\n"), pidfile, nm_strerror_native(errsv)); - } else - success = TRUE; - - if (nm_close(fd)) { - errsv = errno; - fprintf(stderr, _("Closing %s failed: %s\n"), pidfile, nm_strerror_native(errsv)); - } - - return success; -} - -void -nm_main_utils_ensure_statedir() -{ - gs_free char *parent = NULL; - int errsv; - - parent = g_path_get_dirname(NMSTATEDIR); - - /* Ensure parent state directories exists */ - if (parent && parent[0] == '/' && parent[1] != '\0' - && g_mkdir_with_parents(parent, 0755) != 0) { - errsv = errno; - fprintf(stderr, - "Cannot create parents for '%s': %s", - NMSTATEDIR, - nm_strerror_native(errsv)); - exit(1); - } - /* Ensure state directory exists */ - if (g_mkdir_with_parents(NMSTATEDIR, 0700) != 0) { - errsv = errno; - fprintf(stderr, "Cannot create '%s': %s", NMSTATEDIR, nm_strerror_native(errsv)); - exit(1); - } -} - -void -nm_main_utils_ensure_rundir() -{ - int errsv; - - /* Setup runtime directory */ - if (g_mkdir_with_parents(NMRUNDIR, 0755) != 0) { - errsv = errno; - fprintf(stderr, _("Cannot create '%s': %s"), NMRUNDIR, nm_strerror_native(errsv)); - exit(1); - } - - /* NM_CONFIG_DEVICE_STATE_DIR is used to determine whether NM is restarted or not. - * It is important to set NMConfigCmdLineOptions.first_start before creating - * the directory. */ - nm_assert(g_str_has_prefix(NM_CONFIG_DEVICE_STATE_DIR, NMRUNDIR "/")); - if (g_mkdir(NM_CONFIG_DEVICE_STATE_DIR, 0755) != 0) { - errsv = errno; - if (errsv != EEXIST) { - fprintf(stderr, - _("Cannot create '%s': %s"), - NM_CONFIG_DEVICE_STATE_DIR, - nm_strerror_native(errsv)); - exit(1); - } - } -} - -/** - * nm_main_utils_ensure_not_running_pidfile: - * @pidfile: the pid file - * - * Checks whether the pidfile already exists and contains PID of a running - * process. - * - * Exits with code 1 if a conflicting process is running. - */ -void -nm_main_utils_ensure_not_running_pidfile(const char *pidfile) -{ - gs_free char *contents = NULL; - gs_free char *proc_cmdline = NULL; - gsize len = 0; - long pid; - const char * process_name; - const char * prgname = g_get_prgname(); - - g_return_if_fail(prgname); - - if (!pidfile || !*pidfile) - return; - - if (!g_file_get_contents(pidfile, &contents, &len, NULL)) - return; - if (len <= 0) - return; - - errno = 0; - pid = strtol(contents, NULL, 10); - if (pid <= 0 || pid > 65536 || errno) - return; - - nm_clear_g_free(&contents); - proc_cmdline = g_strdup_printf("/proc/%ld/cmdline", pid); - if (!g_file_get_contents(proc_cmdline, &contents, &len, NULL)) - return; - - process_name = strrchr(contents, '/'); - if (process_name) - process_name++; - else - process_name = contents; - if (strcmp(process_name, prgname) == 0) { - /* Check that the process exists */ - if (kill(pid, 0) == 0) { - fprintf(stderr, _("%s is already running (pid %ld)\n"), prgname, pid); - exit(1); - } - } -} - -void -nm_main_utils_ensure_root() -{ - if (getuid() != 0) { - fprintf(stderr, _("You must be root to run %s!\n"), g_get_prgname() ?: ""); - exit(1); - } -} - -gboolean -nm_main_utils_early_setup(const char * progname, - int * argc, - char ** argv[], - GOptionEntry *options, - void (*option_context_hook)(gpointer user_data, GOptionContext *opt_ctx), - gpointer option_context_hook_data, - const char *summary) -{ - GOptionContext *opt_ctx = NULL; - GError * error = NULL; - gboolean success = FALSE; - int i; - const char * opt_fmt_log_level = NULL, *opt_fmt_log_domains = NULL; - const char ** opt_loc_log_level = NULL, **opt_loc_log_domains = NULL; - - /* Make GIO ignore the remote VFS service; otherwise it tries to use the - * session bus to contact the remote service, and NM shouldn't ever be - * talking on the session bus. See rh #588745 - */ - setenv("GIO_USE_VFS", "local", 1); - - /* - * Set the umask to 0022, which results in 0666 & ~0022 = 0644. - * Otherwise, if root (or an su'ing user) has a wacky umask, we could - * write out an unreadable resolv.conf. - */ - umask(022); - - /* Ensure gettext() gets the right environment (bgo #666516) */ - setlocale(LC_ALL, ""); - textdomain(GETTEXT_PACKAGE); - - for (i = 0; options[i].long_name; i++) { - NM_PRAGMA_WARNING_DISABLE("-Wformat-nonliteral") - if (!strcmp(options[i].long_name, "log-level")) { - opt_fmt_log_level = options[i].description; - opt_loc_log_level = &options[i].description; - options[i].description = - g_strdup_printf(options[i].description, nm_logging_all_levels_to_string()); - } else if (!strcmp(options[i].long_name, "log-domains")) { - opt_fmt_log_domains = options[i].description; - opt_loc_log_domains = &options[i].description; - options[i].description = - g_strdup_printf(options[i].description, nm_logging_all_domains_to_string()); - } - NM_PRAGMA_WARNING_REENABLE - } - - /* Parse options */ - opt_ctx = g_option_context_new(NULL); - g_option_context_set_translation_domain(opt_ctx, GETTEXT_PACKAGE); - g_option_context_set_ignore_unknown_options(opt_ctx, FALSE); - g_option_context_set_help_enabled(opt_ctx, TRUE); - g_option_context_add_main_entries(opt_ctx, options, NULL); - g_option_context_set_summary(opt_ctx, summary); - if (option_context_hook) - option_context_hook(option_context_hook_data, opt_ctx); - - success = g_option_context_parse(opt_ctx, argc, argv, &error); - if (!success) { - fprintf(stderr, - _("%s. Please use --help to see a list of valid options.\n"), - error->message); - g_clear_error(&error); - } - g_option_context_free(opt_ctx); - - if (opt_loc_log_level) { - g_free((char *) *opt_loc_log_level); - *opt_loc_log_level = opt_fmt_log_level; - } - if (opt_loc_log_domains) { - g_free((char *) *opt_loc_log_domains); - *opt_loc_log_domains = opt_fmt_log_domains; - } - - return success; -} |