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| author | Denys Vlasenko | 2011-05-13 03:19:01 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2011-05-13 03:19:01 +0200 |
| commit | 12a432715f066cf9d677316a39c9e0ebc6d72404 (patch) | |
| tree | 14a33cdedbd6ba7739449cc3dec968b55a01efad /include | |
| parent | 0806e401d6747c391fa0427e0ccba9951f9a1c3d (diff) | |
| download | busybox-12a432715f066cf9d677316a39c9e0ebc6d72404.zip busybox-12a432715f066cf9d677316a39c9e0ebc6d72404.tar.gz | |
adduser: safe username passing to passwd/addgroup
passwd: support creating SHA passwords
random code shrink
function old new delta
crypt_make_pw_salt - 87 +87
adduser_main 883 904 +21
...
crypt_make_salt 99 89 -10
chpasswd_main 329 312 -17
packed_usage 28731 28691 -40
passwd_main 1070 1000 -70
cryptpw_main 310 224 -86
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 4/12 up/down: 154/-288) Total: -134 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/libbb.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/libbb.h b/include/libbb.h index 4232c38..89e8e44 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -1259,14 +1259,19 @@ extern int correct_password(const struct passwd *pw) FAST_FUNC; #endif extern char *pw_encrypt(const char *clear, const char *salt, int cleanup) FAST_FUNC; extern int obscure(const char *old, const char *newval, const struct passwd *pwdp) FAST_FUNC; -/* rnd is additional random input. New one is returned. +/* + * rnd is additional random input. New one is returned. * Useful if you call crypt_make_salt many times in a row: * rnd = crypt_make_salt(buf1, 4, 0); * rnd = crypt_make_salt(buf2, 4, rnd); * rnd = crypt_make_salt(buf3, 4, rnd); * (otherwise we risk having same salt generated) */ -extern int crypt_make_salt(char *p, int cnt, int rnd) FAST_FUNC; +extern int crypt_make_salt(char *p, int cnt /*, int rnd*/) FAST_FUNC; +/* "$N$" + sha_salt_16_bytes + NUL */ +#define MAX_PW_SALT_LEN (3 + 16 + 1) +extern char* crypt_make_pw_salt(char p[MAX_PW_SALT_LEN], const char *algo) FAST_FUNC; + /* Returns number of lines changed, or -1 on error */ #if !(ENABLE_FEATURE_ADDUSER_TO_GROUP || ENABLE_FEATURE_DEL_USER_FROM_GROUP) |