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/* vi: set sw=4 ts=4: */
/*
* cryptpw.c
*
* Cooked from passwd.c by Thomas Lundquist <thomasez@zelow.no>
*/
#include "libbb.h"
#define TESTING 0
/*
set TESTING to 1 and pipe some file through this script
if you played with bbox's crypt implementation.
while read line; do
n=`./busybox cryptpw -a des -- "$line"`
o=`./busybox_org cryptpw -a des -- "$line"`
test "$n" != "$o" && {
echo n="$n"
echo o="$o"
exit
}
n=`./busybox cryptpw -- "$line"`
o=`./busybox_org cryptpw -- "$line"`
test "$n" != "$o" && {
echo n="$n"
echo o="$o"
exit
}
done
*/
int cryptpw_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int cryptpw_main(int argc UNUSED_PARAM, char **argv)
{
char salt[sizeof("$N$") + 16 + TESTING*100];
char *opt_a;
int opts;
opts = getopt32(argv, "a:", &opt_a);
if (opts && opt_a[0] == 'd') {
crypt_make_salt(salt, 2/2, 0); /* des */
#if TESTING
strcpy(salt, "a.");
#endif
} else {
salt[0] = '$';
salt[1] = '1';
salt[2] = '$';
#if !ENABLE_USE_BB_CRYPT || ENABLE_USE_BB_CRYPT_SHA
if (opts && opt_a[0] == 's') {
salt[1] = '5' + (strcmp(opt_a, "sha512") == 0);
crypt_make_salt(salt + 3, 16/2, 0); /* sha */
#if TESTING
strcpy(salt, "$5$rounds=5000$toolongsaltstring");
// with "This is just a test" as password, should produce:
// "$5$rounds=5000$toolongsaltstrin$Un/5jzAHMgOGZ5.mWJpuVolil07guHPvOW8mGRcvxa5"
strcpy(salt, "$6$rounds=5000$toolongsaltstring");
// with "This is just a test" as password, should produce:
// "$6$rounds=5000$toolongsaltstrin$lQ8jolhgVRVhY4b5pZKaysCLi0QBxGoNeKQzQ3glMhwllF7oGDZxUhx1yxdYcz/e1JSbq3y6JMxxl8audkUEm0"
#endif
} else
#endif
{
crypt_make_salt(salt + 3, 8/2, 0); /* md5 */
#if TESTING
strcpy(salt + 3, "ajg./bcf");
#endif
}
}
puts(pw_encrypt(argv[optind] ? argv[optind] : xmalloc_fgetline(stdin), salt, 1));
return 0;
}
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