diff options
| -rw-r--r-- | libbb/pw_encrypt.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/libbb/pw_encrypt.c b/libbb/pw_encrypt.c index 39ffa08..bfc7030 100644 --- a/libbb/pw_encrypt.c +++ b/libbb/pw_encrypt.c @@ -142,7 +142,14 @@ char* FAST_FUNC pw_encrypt(const char *clear, const char *salt, int cleanup) char* FAST_FUNC pw_encrypt(const char *clear, const char *salt, int cleanup) { - return xstrdup(crypt(clear, salt)); + char *s; + + s = crypt(clear, salt); + /* + * glibc used to return "" on malformed salts (for example, ""), + * but since 2.17 it returns NULL. + */ + return xstrdup(s ? s : ""); } #endif |