/*
* Display all the sysctl settings
*/
static int sysctl_display_all(const char *path)
{
int retval = 0;
DIR *dp;
struct dirent *de;
char *tmpdir;
struct stat ts;
dp = opendir(path);
if (!dp) {
return EXIT_FAILURE;
}
while ((de = readdir(dp)) != NULL) {
tmpdir = concat_subpath_file(path, de->d_name);
if (tmpdir == NULL)
continue; /* . or .. */
if (stat(tmpdir, &ts) != 0) {
bb_perror_msg(tmpdir);
} else if (S_ISDIR(ts.st_mode)) {
retval |= sysctl_display_all(tmpdir);
} else {
retval |= sysctl_read_setting(tmpdir + strlen_PROC_SYS);
}
free(tmpdir);
} /* end while */
closedir(dp);
return retval;
} /* end sysctl_display_all() */
int sysctl_main(int argc ATTRIBUTE_UNUSED, char **argv)
{
int retval;
int opt;
opt = getopt32(argv, "+neAapw"); /* '+' - stop on first non-option */
argv += optind;
opt ^= (FLAG_SHOW_KEYS | FLAG_SHOW_KEY_ERRORS);
option_mask32 ^= (FLAG_SHOW_KEYS | FLAG_SHOW_KEY_ERRORS);
if (opt & (FLAG_TABLE_FORMAT | FLAG_SHOW_ALL))
return sysctl_display_all(PROC_SYS);
if (opt & FLAG_PRELOAD_FILE)
return sysctl_preload_file_and_exit(*argv ? *argv : ETC_SYSCTL_CONF);
retval = 0;
while (*argv) {
if (opt & FLAG_WRITE)
retval |= sysctl_write_setting(*argv);
else
retval |= sysctl_read_setting(*argv);
argv++;
}
return retval;
} /* end sysctl_main() */
/*
* Display all the sysctl settings
*
*/
int sysctl_display_all(const char *path, int output, int show_table)
{
int retval = 0;
int retval2;
DIR *dp;
struct dirent *de;
char *tmpdir;
struct stat ts;
if (!(dp = opendir(path))) {
bb_perror_msg(ERR_OPENING_DIR, path);
retval = -1;
} else {
while ((de = readdir(dp)) != NULL) {
tmpdir = concat_subpath_file(path, de->d_name);
if(tmpdir == NULL)
continue;
if ((retval2 = stat(tmpdir, &ts)) != 0)
bb_perror_msg(tmpdir);
else {
if (S_ISDIR(ts.st_mode)) {
sysctl_display_all(tmpdir, output, show_table);
} else
retval |=
sysctl_read_setting(tmpdir + bb_strlen(PROC_PATH),
output);
}
free(tmpdir);
} /* end while */
closedir(dp);
}
return retval;
} /* end sysctl_display_all() */
int sysctl_main(int argc, char **argv)
{
int retval = 0;
int output = 1;
int write_mode = 0;
int switches_allowed = 1;
if (argc < 2)
bb_show_usage();
argv++;
for (; argv && *argv && **argv; argv++) {
if (switches_allowed && **argv == '-') { /* we have a switch */
switch ((*argv)[1]) {
case 'n':
output = 0;
break;
case 'w':
write_mode = 1;
switches_allowed = 0;
break;
case 'p':
argv++;
return
sysctl_preload_file(((argv && *argv
&& **argv) ? *argv :
DEFAULT_PRELOAD), output);
case 'a':
case 'A':
switches_allowed = 0;
return sysctl_display_all(PROC_PATH, output,
((*argv)[1] == 'a') ? 0 : 1);
case 'h':
case '?':
bb_show_usage();
default:
bb_error_msg(ERR_UNKNOWN_PARAMETER, *argv);
bb_show_usage();
}
} else {
switches_allowed = 0;
if (write_mode)
retval = sysctl_write_setting(*argv, output);
else
sysctl_read_setting(*argv, output);
}
}
return retval;
} /* end sysctl_main() */
