ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include <stdlib.h>

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include <stdbool.h>

1693a943ca581aca2beebb4c812ec6c9f17b8164Lennart Poettering#include <errno.h>

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include <string.h>

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include <stdio.h>

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include <limits.h>

81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen#include <getopt.h>

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include "log.h"

81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen#include "strv.h"

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include "util.h"

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include "hashmap.h"

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include "path-util.h"

49699bac94d24b444274f91f85c82e6fad04d029Susant Sahani#include "conf-files.h"

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include "fileio.h"

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#include "build.h"

81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poetteringstatic char **arg_prefixes = NULL;

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

db73295accbec0c6513817f0a64a92018592bb26Lennart Poetteringstatic const char conf_file_dirs[] =

d8500c53789eafefe28d4ace088bf4b912280bf9Tom Gundersen "/etc/sysctl.d\0"

266b538958932e6fc27dfce4917336e70e17e29eTom Gundersen "/run/sysctl.d\0"

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering "/usr/local/lib/sysctl.d\0"

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering "/usr/lib/sysctl.d\0"

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#ifdef HAVE_SPLIT_USR

9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering "/lib/sysctl.d\0"

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering#endif

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering ;

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poetteringstatic char *normalize_sysctl(char *s) {

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering char *n;

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering for (n = s; *n; n++)

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering if (*n == '.')

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering *n = '/';

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering return s;

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering}

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poetteringstatic int apply_sysctl(const char *property, const char *value) {

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering _cleanup_free_ char *p = NULL;

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering char *n;

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering int r = 0, k;

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering log_debug("Setting '%s' to '%s'", property, value);

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering p = new(char, sizeof("/proc/sys/") + strlen(property));

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering if (!p)

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering return log_oom();

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering n = stpcpy(p, "/proc/sys/");

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering strcpy(n, property);

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering if (!strv_isempty(arg_prefixes)) {

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering char **i;

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering bool good = false;

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering STRV_FOREACH(i, arg_prefixes)

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering if (path_startswith(p, *i)) {

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering good = true;

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering break;

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering }

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering if (!good) {

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering log_debug("Skipping %s", p);

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering return 0;

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering }

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering }

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering k = write_string_file(p, value);

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering if (k < 0) {

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering log_full(k == -ENOENT ? LOG_DEBUG : LOG_WARNING,

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering "Failed to write '%s' to '%s': %s", value, p, strerror(-k));

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering if (k != -ENOENT && r == 0)

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering r = k;

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering }

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering return r;

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering}

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poetteringstatic int apply_all(Hashmap *sysctl_options) {

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering int r = 0;

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering char *property, *value;

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering Iterator i;

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering assert(sysctl_options);

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering HASHMAP_FOREACH_KEY(value, property, sysctl_options, i) {

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering int k;

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering k = apply_sysctl(property, value);

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering if (k < 0 && r == 0)

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering r = k;

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering }

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering return r;

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering}

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poetteringstatic int parse_file(Hashmap *sysctl_options, const char *path, bool ignore_enoent) {

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering _cleanup_fclose_ FILE *f = NULL;

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering int r;

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering assert(path);

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering r = search_and_fopen_nulstr(path, "re", conf_file_dirs, &f);

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering if (r < 0) {

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering if (ignore_enoent && r == -ENOENT)

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering return 0;

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering log_error("Failed to open file '%s', ignoring: %s", path, strerror(-r));

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering return r;

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering }

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering log_debug("parse: %s", path);

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering while (!feof(f)) {

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering char l[LINE_MAX], *p, *value, *new_value, *property, *existing;

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering void *v;

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering int k;

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering if (!fgets(l, sizeof(l), f)) {

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering if (feof(f))

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering break;

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering log_error("Failed to read file '%s', ignoring: %m", path);

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering return -errno;

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering }

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering p = strstrip(l);

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering if (!*p)

a6a4f528899b1dab47408733b4a423c66ea40f7aThomas Hindoe Paaboel Andersen continue;

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering if (strchr(COMMENTS "\n", *p))

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering continue;

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering value = strchr(p, '=');

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering if (!value) {

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering log_error("Line is not an assignment in file '%s': %s", path, value);

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering if (r == 0)

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering r = -EINVAL;

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering continue;

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering }

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering *value = 0;

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering value++;

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering p = normalize_sysctl(strstrip(p));

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering value = strstrip(value);

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering existing = hashmap_get2(sysctl_options, p, &v);

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering if (existing) {

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering if (streq(value, existing))

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering continue;

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering log_info("Overwriting earlier assignment of %s in file '%s'.", p, path);

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering free(hashmap_remove(sysctl_options, p));

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering free(v);

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering }

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering property = strdup(p);

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering if (!property)

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering return log_oom();

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering new_value = strdup(value);

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering if (!new_value) {

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering free(property);

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering return log_oom();

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering }

266b538958932e6fc27dfce4917336e70e17e29eTom Gundersen

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering k = hashmap_put(sysctl_options, property, new_value);

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering if (k < 0) {

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering log_error("Failed to add sysctl variable %s to hashmap: %s", property, strerror(-k));

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering free(property);

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering free(new_value);

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering return k;

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering }

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering }

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

f647962d64e844689f3e2acfce6102fc47e76df2Michal Schmidt return r;

f647962d64e844689f3e2acfce6102fc47e76df2Michal Schmidt}

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poetteringstatic int help(void) {

4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt

4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt printf("%s [OPTIONS...] [CONFIGURATION FILE...]\n\n"

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering "Applies kernel sysctl settings.\n\n"

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering " -h --help Show this help\n"

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering " --version Show package version\n"

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering " --prefix=PATH Only apply rules that apply to paths with the specified prefix\n",

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering program_invocation_short_name);

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering return 0;

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering}

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poetteringstatic int parse_argv(int argc, char *argv[]) {

f647962d64e844689f3e2acfce6102fc47e76df2Michal Schmidt

f647962d64e844689f3e2acfce6102fc47e76df2Michal Schmidt enum {

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering ARG_VERSION = 0x100,

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering ARG_PREFIX

3e3db0ee860025ad663b13b0ace4e6d627611332Lennart Poettering };

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering static const struct option options[] = {

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering { "help", no_argument, NULL, 'h' },

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering { "version", no_argument, NULL, ARG_VERSION },

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering { "prefix", required_argument, NULL, ARG_PREFIX },

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering {}

ab1525bc2d92780b4dc64bc5b9cdb52594e2df7dLennart Poettering };

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering int c;

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering

df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering assert(argc >= 0);

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering assert(argv);

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

d6731e4c7964ee2860d4f5abdb0b52acd7a66960Tom Gundersen while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) {

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering switch (c) {

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering case 'h':

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering return help();

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering case ARG_VERSION:

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering puts(PACKAGE_STRING);

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering puts(SYSTEMD_FEATURES);

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering return 0;

3e3db0ee860025ad663b13b0ace4e6d627611332Lennart Poettering

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering case ARG_PREFIX: {

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering char *p;

d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering for (p = optarg; *p; p++)

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering if (*p == '.')

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering *p = '/';

6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering if (strv_extend(&arg_prefixes, optarg) < 0)

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering return log_oom();

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering

ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering break;

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen }

81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen

81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen case '?':

81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen return -EINVAL;

81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen

81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen default:

81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen assert_not_reached("Unhandled option");

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen }

888943fc6246b2917168fff59380b58b678ba157Lennart Poettering }

888943fc6246b2917168fff59380b58b678ba157Lennart Poettering

888943fc6246b2917168fff59380b58b678ba157Lennart Poettering return 1;

81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen}

81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen

81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersenint main(int argc, char *argv[]) {

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen int r = 0, k;

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen Hashmap *sysctl_options;

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen r = parse_argv(argc, argv);

81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen if (r <= 0)

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;

81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen

81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen log_set_target(LOG_TARGET_AUTO);

81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen log_parse_environment();

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen log_open();

81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen

81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen umask(0022);

81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen sysctl_options = hashmap_new(string_hash_func, string_compare_func);

81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen if (!sysctl_options) {

81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen r = log_oom();

81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen goto finish;

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen }

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen

69fb1176c403e437c4fba763ba242b540c73898fLennart Poettering r = 0;

69fb1176c403e437c4fba763ba242b540c73898fLennart Poettering

81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen if (argc > optind) {

69fb1176c403e437c4fba763ba242b540c73898fLennart Poettering int i;

69fb1176c403e437c4fba763ba242b540c73898fLennart Poettering

69fb1176c403e437c4fba763ba242b540c73898fLennart Poettering for (i = optind; i < argc; i++) {

69fb1176c403e437c4fba763ba242b540c73898fLennart Poettering k = parse_file(sysctl_options, argv[i], false);

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen if (k < 0 && r == 0)

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen r = k;

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen }

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen } else {

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen _cleanup_strv_free_ char **files = NULL;

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen char **f;

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen r = conf_files_list_nulstr(&files, ".conf", NULL, conf_file_dirs);

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen if (r < 0) {

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen log_error("Failed to enumerate sysctl.d files: %s", strerror(-r));

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen goto finish;

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen }

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen STRV_FOREACH(f, files) {

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen k = parse_file(sysctl_options, *f, true);

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen if (k < 0 && r == 0)

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen r = k;

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen }

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen }

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen k = apply_all(sysctl_options);

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen if (k < 0 && r == 0)

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen r = k;

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersenfinish:

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen hashmap_free_free_free(sysctl_options);

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen strv_free(arg_prefixes);

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen}

c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen