struct passwd *
parseUser(char *data)
{
char **tokens;
int ntokens;
if (data == NULL) return NULL;
tokens = tokenize(data, ":");
ntokens = listLength(tokens);
if (( _pwFileFormat && (ntokens != 10)) ||
(!_pwFileFormat && (ntokens != 7)))
{
freeList(tokens);
return NULL;
}
free_pw();
_pw.pw_name = tokens[0];
_pw.pw_passwd = tokens[1];
_pw.pw_uid = atoi(tokens[2]);
free(tokens[2]);
_pw.pw_gid = atoi(tokens[3]);
free(tokens[3]);
if (_pwFileFormat)
{
_pw.pw_class = tokens[4];
_pw.pw_change = atoi(tokens[5]);
free(tokens[5]);
_pw.pw_expire = atoi(tokens[6]);
free(tokens[6]);
_pw.pw_gecos = tokens[7];
_pw.pw_dir = tokens[8];
_pw.pw_shell = tokens[9];
}
else
{
_pw.pw_class = copyString("");
_pw.pw_change = 0;
_pw.pw_expire = 0;
_pw.pw_gecos = tokens[4];
_pw.pw_dir = tokens[5];
_pw.pw_shell = tokens[6];
}
free(tokens);
return &_pw;
}
/**
char* get_passwd(char* user_id)
ユーザ user_id のパスワードを得る．@n
パスワードの検索順は /etc/passwd, /etc/shadow, NIS
@param user_id ユーザ名
@return ユーザの暗号化（ハッシュ値化）されたパスワード
@retval NULL 失敗
*/
char* get_passwd(char* user_id)
{
struct passwd* pw;
struct spwd* sp;
char* pass;
pass = (char*)malloc(LPASS+1);
if (pass==NULL) return NULL;
memset(pass, 0, LPASS+1);
// for /etc/passwd
pw = getpwnam((const char*)user_id);
if (pw==NULL) {
free(pass);
return NULL;
}
strncpy(pass, pw->pw_passwd, LPASS);
if (strcmp(pass, "*") && strcmp(pass, "x") && strcmp(pass, "!")) return pass;
#ifdef HAVE_GETSPNAM
// for /etc/shadow
sp = getspnam((const char*)user_id);
if (sp!=NULL) {
strncpy(pass, sp->sp_pwdp, LPASS);
return pass;
}
#endif
#ifdef HAVE_RPCSVC_YPCLNT_H
// for NIS
pw = getnisnam(user_id);
if (pw!=NULL) {
strncpy(pass, pw->pw_passwd, LPASS);
free_pw(pw);
return pass;
}
#endif
return NULL;
}
