1#include <crypt.h> 2 3char *__crypt_r(const char *key, const char *salt, struct crypt_data *data) 4{ 5 /* Per the crypt_r API, the caller has provided a pointer to 6 * struct crypt_data; however, this implementation does not 7 * use the structure to store any internal state, and treats 8 * it purely as a char buffer for storing the result. */ 9 char *output = (char *)data; 10 if (salt[0] == '$' && salt[1] && salt[2]) { 11 if (salt[1] == '1' && salt[2] == '$') 12 return __crypt_md5(key, salt, output); 13 if (salt[1] == '2' && salt[3] == '$') 14 return __crypt_blowfish(key, salt, output); 15 if (salt[1] == '5' && salt[2] == '$') 16 return __crypt_sha256(key, salt, output); 17 if (salt[1] == '6' && salt[2] == '$') 18 return __crypt_sha512(key, salt, output); 19 } 20 return __crypt_des(key, salt, output); 21} 22 23weak_alias(__crypt_r, crypt_r); 24