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Diffstat (limited to 'busybox/libbb/pw_encrypt.c')
| -rw-r--r-- | busybox/libbb/pw_encrypt.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/busybox/libbb/pw_encrypt.c b/busybox/libbb/pw_encrypt.c new file mode 100644 index 0000000..727149d --- /dev/null +++ b/busybox/libbb/pw_encrypt.c @@ -0,0 +1,45 @@ +/* vi: set sw=4 ts=4: */ +/* + * Utility routine. + * + * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <string.h> +#include <crypt.h> +#include "libbb.h" + + +extern char *pw_encrypt(const char *clear, const char *salt) +{ + static char cipher[128]; + char *cp; + +#ifdef CONFIG_FEATURE_SHA1_PASSWORDS + if (strncmp(salt, "$2$", 3) == 0) { + return sha1_crypt(clear); + } +#endif + cp = (char *) crypt(clear, salt); + /* if crypt (a nonstandard crypt) returns a string too large, + truncate it so we don't overrun buffers and hope there is + enough security in what's left */ + safe_strncpy(cipher, cp, sizeof(cipher)); + return cipher; +} + |