From f7a649ae84b76e91ab70db924190727f9a2b7c22 Mon Sep 17 00:00:00 2001 From: Luke Shumaker Date: Sun, 12 Jun 2016 17:44:16 -0400 Subject: ./move.sh --- src/sysctl/Makefile | 1 - src/sysctl/sysctl.c | 287 ---------------------------------------------------- 2 files changed, 288 deletions(-) delete mode 120000 src/sysctl/Makefile delete mode 100644 src/sysctl/sysctl.c (limited to 'src/sysctl') diff --git a/src/sysctl/Makefile b/src/sysctl/Makefile deleted file mode 120000 index d0b0e8e008..0000000000 --- a/src/sysctl/Makefile +++ /dev/null @@ -1 +0,0 @@ -../Makefile \ No newline at end of file diff --git a/src/sysctl/sysctl.c b/src/sysctl/sysctl.c deleted file mode 100644 index ce7c26e7d3..0000000000 --- a/src/sysctl/sysctl.c +++ /dev/null @@ -1,287 +0,0 @@ -/*** - 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 . -***/ - -#include -#include -#include -#include -#include -#include -#include - -#include "conf-files.h" -#include "def.h" -#include "fd-util.h" -#include "fileio.h" -#include "hashmap.h" -#include "log.h" -#include "path-util.h" -#include "string-util.h" -#include "strv.h" -#include "sysctl-util.h" -#include "util.h" - -static char **arg_prefixes = NULL; - -static const char conf_file_dirs[] = CONF_PATHS_NULSTR("sysctl.d"); - -static int apply_all(Hashmap *sysctl_options) { - char *property, *value; - Iterator i; - int r = 0; - - HASHMAP_FOREACH_KEY(value, property, sysctl_options, i) { - int k; - - k = sysctl_write(property, value); - if (k < 0) { - log_full_errno(k == -ENOENT ? LOG_INFO : LOG_WARNING, k, - "Couldn't write '%s' to '%s', ignoring: %m", value, property); - - if (r == 0 && k != -ENOENT) - r = k; - } - } - - return r; -} - -static int parse_file(Hashmap *sysctl_options, const char *path, bool ignore_enoent) { - _cleanup_fclose_ FILE *f = NULL; - int r; - - assert(path); - - r = search_and_fopen_nulstr(path, "re", NULL, conf_file_dirs, &f); - if (r < 0) { - if (ignore_enoent && r == -ENOENT) - return 0; - - return log_error_errno(r, "Failed to open file '%s', ignoring: %m", path); - } - - log_debug("Parsing %s", path); - while (!feof(f)) { - char l[LINE_MAX], *p, *value, *new_value, *property, *existing; - void *v; - int k; - - if (!fgets(l, sizeof(l), f)) { - if (feof(f)) - break; - - return log_error_errno(errno, "Failed to read file '%s', ignoring: %m", path); - } - - p = strstrip(l); - if (!*p) - continue; - - if (strchr(COMMENTS "\n", *p)) - continue; - - value = strchr(p, '='); - if (!value) { - log_error("Line is not an assignment in file '%s': %s", path, value); - - if (r == 0) - r = -EINVAL; - continue; - } - - *value = 0; - value++; - - p = sysctl_normalize(strstrip(p)); - value = strstrip(value); - - if (!strv_isempty(arg_prefixes)) { - char **i, *t; - STRV_FOREACH(i, arg_prefixes) { - t = path_startswith(*i, "/proc/sys/"); - if (t == NULL) - t = *i; - if (path_startswith(p, t)) - goto found; - } - /* not found */ - continue; - } - -found: - existing = hashmap_get2(sysctl_options, p, &v); - if (existing) { - if (streq(value, existing)) - continue; - - log_debug("Overwriting earlier assignment of %s in file '%s'.", p, path); - free(hashmap_remove(sysctl_options, p)); - free(v); - } - - property = strdup(p); - if (!property) - return log_oom(); - - new_value = strdup(value); - if (!new_value) { - free(property); - return log_oom(); - } - - k = hashmap_put(sysctl_options, property, new_value); - if (k < 0) { - log_error_errno(k, "Failed to add sysctl variable %s to hashmap: %m", property); - free(property); - free(new_value); - return k; - } - } - - return r; -} - -static void help(void) { - printf("%s [OPTIONS...] [CONFIGURATION FILE...]\n\n" - "Applies kernel sysctl settings.\n\n" - " -h --help Show this help\n" - " --version Show package version\n" - " --prefix=PATH Only apply rules with the specified prefix\n" - , program_invocation_short_name); -} - -static int parse_argv(int argc, char *argv[]) { - - enum { - ARG_VERSION = 0x100, - ARG_PREFIX - }; - - static const struct option options[] = { - { "help", no_argument, NULL, 'h' }, - { "version", no_argument, NULL, ARG_VERSION }, - { "prefix", required_argument, NULL, ARG_PREFIX }, - {} - }; - - int c; - - assert(argc >= 0); - assert(argv); - - while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) - - switch (c) { - - case 'h': - help(); - return 0; - - case ARG_VERSION: - return version(); - - case ARG_PREFIX: { - char *p; - - /* We used to require people to specify absolute paths - * in /proc/sys in the past. This is kinda useless, but - * we need to keep compatibility. We now support any - * sysctl name available. */ - sysctl_normalize(optarg); - - if (startswith(optarg, "/proc/sys")) - p = strdup(optarg); - else - p = strappend("/proc/sys/", optarg); - if (!p) - return log_oom(); - - if (strv_consume(&arg_prefixes, p) < 0) - return log_oom(); - - break; - } - - case '?': - return -EINVAL; - - default: - assert_not_reached("Unhandled option"); - } - - return 1; -} - -int main(int argc, char *argv[]) { - int r = 0, k; - Hashmap *sysctl_options; - - r = parse_argv(argc, argv); - if (r <= 0) - return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; - - log_set_target(LOG_TARGET_AUTO); - log_parse_environment(); - log_open(); - - umask(0022); - - sysctl_options = hashmap_new(&string_hash_ops); - if (!sysctl_options) { - r = log_oom(); - goto finish; - } - - r = 0; - - if (argc > optind) { - int i; - - for (i = optind; i < argc; i++) { - k = parse_file(sysctl_options, argv[i], false); - if (k < 0 && r == 0) - r = k; - } - } else { - _cleanup_strv_free_ char **files = NULL; - char **f; - - r = conf_files_list_nulstr(&files, ".conf", NULL, conf_file_dirs); - if (r < 0) { - log_error_errno(r, "Failed to enumerate sysctl.d files: %m"); - goto finish; - } - - STRV_FOREACH(f, files) { - k = parse_file(sysctl_options, *f, true); - if (k < 0 && r == 0) - r = k; - } - } - - k = apply_all(sysctl_options); - if (k < 0 && r == 0) - r = k; - -finish: - hashmap_free_free_free(sysctl_options); - strv_free(arg_prefixes); - - return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; -} -- cgit v1.2.3-54-g00ecf