busybox/loginutils/cryptpw.c
Denis Vlasenko 9b49a5ed85 add -fvisibility=hidden to CC flags, mark XXX_main functions
EXTERNALLY_VISIBLE. 5% size reduction of libbusybox.so
2007-10-11 10:05:36 +00:00

29 lines
748 B
C

/* vi: set sw=4 ts=4: */
/*
* cryptpw.c
*
* Cooked from passwd.c by Thomas Lundquist <thomasez@zelow.no>
*/
#include "libbb.h"
int cryptpw_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int cryptpw_main(int argc, char **argv)
{
char salt[sizeof("$N$XXXXXXXX")];
if (!getopt32(argv, "a:", NULL) || argv[optind - 1][0] != 'd') {
strcpy(salt, "$1$");
/* Too ugly, and needs even more magic to handle endianness: */
//((uint32_t*)&salt)[0] = '$' + '1'*0x100 + '$'*0x10000;
/* Hope one day gcc will do it itself (inlining strcpy) */
crypt_make_salt(salt + 3, 4, 0); /* md5 */
} else {
crypt_make_salt(salt, 1, 0); /* des */
}
puts(pw_encrypt(argv[optind] ? argv[optind] : xmalloc_getline(stdin), salt));
return 0;
}