| #include "libc.h" |
| #include <crypt.h> |
| |
| struct crypt_data; |
| |
| char* __crypt_des(const char*, const char*, char*); |
| char* __crypt_md5(const char*, const char*, char*); |
| char* __crypt_blowfish(const char*, const char*, char*); |
| char* __crypt_sha256(const char*, const char*, char*); |
| char* __crypt_sha512(const char*, const char*, char*); |
| |
| char* __crypt_r(const char* key, const char* salt, struct crypt_data* data) { |
| /* Per the crypt_r API, the caller has provided a pointer to |
| * struct crypt_data; however, this implementation does not |
| * use the structure to store any internal state, and treats |
| * it purely as a char buffer for storing the result. */ |
| char* output = (char*)data; |
| if (salt[0] == '$' && salt[1] && salt[2]) { |
| if (salt[1] == '1' && salt[2] == '$') |
| return __crypt_md5(key, salt, output); |
| if (salt[1] == '2' && salt[3] == '$') |
| return __crypt_blowfish(key, salt, output); |
| if (salt[1] == '5' && salt[2] == '$') |
| return __crypt_sha256(key, salt, output); |
| if (salt[1] == '6' && salt[2] == '$') |
| return __crypt_sha512(key, salt, output); |
| } |
| return __crypt_des(key, salt, output); |
| } |
| |
| weak_alias(__crypt_r, crypt_r); |
