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For bbox it's not acceptable. Roll our own des and md5 crypt implementation. Against older uclibc: text data bss dec hex filename 759945 604 6684 767233 bb501 busybox_old 759766 604 6684 767054 bb44e busybox_unstripped so, we still save on code size.
59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* cryptpw.c
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*
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* Cooked from passwd.c by Thomas Lundquist <thomasez@zelow.no>
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*/
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#include "libbb.h"
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#define TESTING 0
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/*
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set TESTING to 1 and pipe some file through this script
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if you played with bbox's crypt implementation.
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while read line; do
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n=`./busybox cryptpw -a des -- "$line"`
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o=`./busybox_old cryptpw -a des -- "$line"`
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test "$n" != "$o" && {
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echo n="$n"
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echo o="$o"
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exit
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}
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n=`./busybox cryptpw -- "$line"`
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o=`./busybox_old cryptpw -- "$line"`
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test "$n" != "$o" && {
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echo n="$n"
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echo o="$o"
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exit
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}
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done
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*/
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int cryptpw_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int cryptpw_main(int argc ATTRIBUTE_UNUSED, char **argv)
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{
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char salt[sizeof("$N$XXXXXXXX")];
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if (!getopt32(argv, "a:", NULL) || argv[optind - 1][0] != 'd') {
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strcpy(salt, "$1$");
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/* Too ugly, and needs even more magic to handle endianness: */
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//((uint32_t*)&salt)[0] = '$' + '1'*0x100 + '$'*0x10000;
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/* Hope one day gcc will do it itself (inlining strcpy) */
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crypt_make_salt(salt + 3, 4, 0); /* md5 */
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#if TESTING
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strcpy(salt + 3, "ajg./bcf");
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#endif
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} else {
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crypt_make_salt(salt, 1, 0); /* des */
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#if TESTING
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strcpy(salt, "a.");
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#endif
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}
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puts(pw_encrypt(argv[optind] ? argv[optind] : xmalloc_fgetline(stdin), salt, 1));
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return 0;
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}
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