int check_utc ( void )
{
int utc = 0;
FILE *f = fopen ( "/etc/adjtime", "r" );
if ( f ) {
char buffer [128];
while ( fgets ( buffer, sizeof( buffer ), f )) {
int len = bb_strlen ( buffer );
while ( len && isspace ( buffer [len - 1] ))
len--;
buffer [len] = 0;
if ( strncmp ( buffer, "UTC", 3 ) == 0 ) {
utc = 1;
break;
}
}
fclose ( f );
}
return utc;
}
static int check_tty ( const char *tty )
{
FILE *fp;
int i;
char buf[BUFSIZ];
if (( fp = fopen ( bb_path_securetty_file, "r" ))) {
while ( fgets ( buf, sizeof( buf ) - 1, fp )) {
for ( i = bb_strlen( buf ) - 1; i >= 0; --i ) {
if ( !isspace ( buf[i] ))
break;
}
buf[++i] = '\0';
if (( buf [0] == '\0' ) || ( buf [0] == '#' ))
continue;
if ( strcmp ( buf, tty ) == 0 ) {
fclose ( fp );
return 1;
}
}
fclose(fp);
return 0;
}
/* A missing securetty file is not an error. */
return 1;
}
int correct_password ( const struct passwd *pw )
{
char *unencrypted, *encrypted, *correct;
#ifdef CONFIG_FEATURE_SHADOWPASSWDS
if (( strcmp ( pw-> pw_passwd, "x" ) == 0 ) || ( strcmp ( pw-> pw_passwd, "*" ) == 0 )) {
struct spwd *sp = getspnam ( pw-> pw_name );
if ( !sp )
bb_error_msg_and_die ( "\nno valid shadow password" );
correct = sp-> sp_pwdp;
}
else
#endif
correct = pw-> pw_passwd;
if ( correct == 0 || correct[0] == '\0' )
return 1;
unencrypted = bb_askpass ( 0, "Password: " );
if ( !unencrypted )
{
return 0;
}
encrypted = crypt ( unencrypted, correct );
memset ( unencrypted, 0, bb_strlen ( unencrypted ));
return ( strcmp ( encrypted, correct ) == 0 ) ? 1 : 0;
}
/*
* 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_preload_file(const char *filename, int output)
{
int lineno = 0;
char oneline[PRELOAD_BUF];
char buffer[PRELOAD_BUF];
char *name, *value, *ptr;
FILE *fp = NULL;
if (!filename || ((fp = fopen(filename, "r")) == NULL)) {
bb_error_msg_and_die(ERR_PRELOAD_FILE, filename);
}
while (fgets(oneline, sizeof(oneline) - 1, fp)) {
oneline[sizeof(oneline) - 1] = 0;
lineno++;
trim(oneline);
ptr = (char *) oneline;
if (*ptr == '#' || *ptr == ';')
continue;
if (bb_strlen(ptr) < 2)
continue;
name = strtok(ptr, "=");
if (!name || !*name) {
bb_error_msg(WARN_BAD_LINE, filename, lineno);
continue;
}
trim(name);
value = strtok(NULL, "\n\r");
if (!value || !*value) {
bb_error_msg(WARN_BAD_LINE, filename, lineno);
continue;
}
while ((*value == ' ' || *value == '\t') && *value != 0)
value++;
strcpy(buffer, name);
strcat(buffer, "=");
strcat(buffer, value);
sysctl_write_setting(buffer, output);
}
fclose(fp);
return 0;
} /* end sysctl_preload_file() */
int show_clock ( int utc )
{
struct tm *ptm;
time_t t;
char buffer [64];
t = read_rtc ( utc );
ptm = localtime ( &t ); /* Sets 'tzname[]' */
safe_strncpy ( buffer, ctime ( &t ), sizeof( buffer ));
if ( buffer [0] )
buffer [bb_strlen ( buffer ) - 1] = 0;
//printf ( "%s %.6f seconds %s\n", buffer, 0.0, utc ? "" : ( ptm-> tm_isdst ? tzname [1] : tzname [0] ));
printf ( "%s %.6f seconds\n", buffer, 0.0 );
return 0;
}
int date_main(int argc, char **argv)
{
char *date_str = NULL;
char *date_fmt = NULL;
char *t_buff;
int set_time;
int utc;
int use_arg = 0;
time_t tm;
unsigned long opt;
struct tm tm_time;
char *filename = NULL;
#ifdef CONFIG_FEATURE_DATE_ISOFMT
int ifmt = 0;
char *isofmt_arg;
# define GETOPT_ISOFMT "I::"
#else
# define GETOPT_ISOFMT
#endif
bb_opt_complementaly = "d~ds:s~ds";
opt = bb_getopt_ulflags(argc, argv, "Rs:ud:r:" GETOPT_ISOFMT,
&date_str, &date_str, &filename
#ifdef CONFIG_FEATURE_DATE_ISOFMT
, &isofmt_arg
#endif
);
set_time = opt & DATE_OPT_SET;
utc = opt & DATE_OPT_UTC;
if ((utc) && (putenv("TZ=UTC0") != 0)) {
bb_error_msg_and_die(bb_msg_memory_exhausted);
}
use_arg = opt & DATE_OPT_DATE;
if(opt & 0x80000000UL)
bb_show_usage();
#ifdef CONFIG_FEATURE_DATE_ISOFMT
if(opt & DATE_OPT_TIMESPEC) {
if (!isofmt_arg) {
ifmt = 1;
} else {
int ifmt_len = bb_strlen(isofmt_arg);
if ((ifmt_len <= 4)
&& (strncmp(isofmt_arg, "date", ifmt_len) == 0)) {
ifmt = 1;
} else if ((ifmt_len <= 5)
&& (strncmp(isofmt_arg, "hours", ifmt_len) == 0)) {
ifmt = 2;
} else if ((ifmt_len <= 7)
&& (strncmp(isofmt_arg, "minutes", ifmt_len) == 0)) {
ifmt = 3;
} else if ((ifmt_len <= 7)
&& (strncmp(isofmt_arg, "seconds", ifmt_len) == 0)) {
ifmt = 4;
}
}
if (!ifmt) {
bb_show_usage();
}
}
#endif
if ((date_fmt == NULL) && (optind < argc) && (argv[optind][0] == '+')) {
date_fmt = &argv[optind][1]; /* Skip over the '+' */
} else if (date_str == NULL) {
set_time = 1;
date_str = argv[optind];
}
/* Now we have parsed all the information except the date format
which depends on whether the clock is being set or read */
if(filename) {
struct stat statbuf;
if(stat(filename,&statbuf))
bb_perror_msg_and_die("File '%s' not found.\n",filename);
tm=statbuf.st_mtime;
} else time(&tm);
memcpy(&tm_time, localtime(&tm), sizeof(tm_time));
/* Zero out fields - take her back to midnight! */
if (date_str != NULL) {
tm_time.tm_sec = 0;
tm_time.tm_min = 0;
tm_time.tm_hour = 0;
/* Process any date input to UNIX time since 1 Jan 1970 */
if (strchr(date_str, ':') != NULL) {
date_conv_ftime(&tm_time, date_str);
} else {
date_conv_time(&tm_time, date_str);
}
/* Correct any day of week and day of year etc. fields */
tm_time.tm_isdst = -1; /* Be sure to recheck dst. */
tm = mktime(&tm_time);
if (tm < 0) {
bb_error_msg_and_die(bb_msg_invalid_date, date_str);
}
if (utc && (putenv("TZ=UTC0") != 0)) {
bb_error_msg_and_die(bb_msg_memory_exhausted);
}
/* if setting time, set it */
if (set_time && (stime(&tm) < 0)) {
bb_perror_msg("cannot set date");
}
}
/* Display output */
/* Deal with format string */
if (date_fmt == NULL) {
#ifdef CONFIG_FEATURE_DATE_ISOFMT
switch (ifmt) {
case 4:
date_fmt = utc ? "%Y-%m-%dT%H:%M:%SZ" : "%Y-%m-%dT%H:%M:%S%z";
break;
case 3:
date_fmt = utc ? "%Y-%m-%dT%H:%MZ" : "%Y-%m-%dT%H:%M%z";
break;
case 2:
date_fmt = utc ? "%Y-%m-%dT%HZ" : "%Y-%m-%dT%H%z";
break;
case 1:
date_fmt = "%Y-%m-%d";
break;
case 0:
default:
#endif
date_fmt = (opt & DATE_OPT_RFC2822 ?
(utc ? "%a, %d %b %Y %H:%M:%S GMT" :
"%a, %d %b %Y %H:%M:%S %z") :
"%a %b %e %H:%M:%S %Z %Y");
#ifdef CONFIG_FEATURE_DATE_ISOFMT
break;
}
#endif
} else if (*date_fmt == '\0') {
/* Imitate what GNU 'date' does with NO format string! */
printf("\n");
return EXIT_SUCCESS;
}
/* Handle special conversions */
if (strncmp(date_fmt, "%f", 2) == 0) {
date_fmt = "%Y.%m.%d-%H:%M:%S";
}
/* Print OUTPUT (after ALL that!) */
t_buff = xmalloc(201);
strftime(t_buff, 200, date_fmt, &tm_time);
puts(t_buff);
return EXIT_SUCCESS;
}
