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/************************************************
etc.c -
$Author: matz $
$Date: 1994/06/17 14:23:49 $
created at: Tue Mar 22 18:39:19 JST 1994
************************************************/
#include "ruby.h"
#include <pwd.h>
#include <grp.h>
char *getlogin();
static VALUE
Fetc_getlogin(obj)
VALUE obj;
{
char *login = getlogin();
if (login)
return str_new2(getlogin());
return Qnil;
}
static VALUE
setup_passwd(pwd)
struct passwd *pwd;
{
VALUE pw, name, passwd, gecos, dir, shell;
#ifdef PW_CLASS
VALUE class;
#endif
#ifdef PW_COMMENT
VALUE comment;
#endif
if (pwd == Qnil) rb_sys_fail("/etc/passwd");
GC_LINK;
GC_PRO3(pw, str_new2(pwd->pw_name));
GC_PRO3(passwd, str_new2(pwd->pw_passwd));
GC_PRO3(gecos, str_new2(pwd->pw_gecos));
GC_PRO3(dir, str_new2(pwd->pw_dir));
GC_PRO3(shell, str_new2(pwd->pw_shell));
#ifdef PW_CLASS
GC_PRO3(class, str_new2(pwd->pw_class));
#endif
#ifdef PW_COMMENT
GC_PRO3(comment, str_new2(pwd->pw_comment));
#endif
pw = struct_new("passwd",
"name", name,
"passwd", passwd,
"uid", INT2FIX(pwd->pw_uid),
"gid", INT2FIX(pwd->pw_gid),
"gecos", gecos,
"dir", dir,
"shell", shell,
#ifdef PW_CHANGE
"change", INT2FIX(pwd->pw_change),
#endif
#ifdef PW_QUOTA
"quota", INT2FIX(pwd->pw_quota),
#endif
#ifdef PW_AGE
"age", INT2FIX(pwd->pw_age),
#endif
#ifdef PW_CLASS
"class", class,
#endif
#ifdef PW_COMMENT
"comment", comment,
#endif
#ifdef PW_EXPIRE
"expire", INT2FIX(pwd->pw_expire),
#endif
Qnil);
GC_UNLINK;
return pw;
}
static VALUE
Fetc_getpwuid(obj, args)
VALUE obj, args;
{
VALUE id;
int uid;
struct passwd *pwd;
if (rb_scan_args(args, "01", &id) == 1) {
uid = NUM2INT(id);
}
else {
uid = getuid();
}
pwd = getpwuid(uid);
if (pwd == Qnil) Fail("can't find user for %d", uid);
return setup_passwd(pwd);
}
static VALUE
Fetc_getpwnam(obj, nam)
VALUE obj, nam;
{
struct passwd *pwd;
Check_Type(nam, T_STRING);
pwd = getpwnam(RSTRING(nam)->ptr);
if (pwd == Qnil) Fail("can't find user for %s", RSTRING(nam)->ptr);
return setup_passwd(pwd);
}
static VALUE
Fetc_passwd(obj)
VALUE obj;
{
struct passwd *pw;
if (iterator_p()) {
setpwent();
while (pw = getpwent()) {
rb_yield(setup_passwd(pw));
}
endpwent();
return obj;
}
pw = getpwent();
if (pw == Qnil) Fail("can't fetch next -- /etc/passwd");
return setup_passwd(pw);
}
static VALUE
setup_group(grp)
struct group *grp;
{
VALUE mem, obj, name, passwd;
char **tbl;
GC_LINK;
GC_PRO3(mem, ary_new());
tbl = grp->gr_mem;
while (*tbl) {
Fary_push(mem, str_new2(*tbl));
tbl++;
}
GC_PRO3(name, str_new2(grp->gr_name));
GC_PRO3(passwd, str_new2(grp->gr_passwd));
obj = struct_new("group",
"name", name,
"passwd", passwd,
"gid", INT2FIX(grp->gr_gid),
"mem", mem,
Qnil);
GC_UNLINK;
return obj;
}
static VALUE
Fetc_getgrgid(obj, id)
VALUE obj, id;
{
int gid;
struct group *grp;
gid = NUM2INT(id);
grp = getgrgid(gid);
if (grp == Qnil) Fail("can't find group for %d", gid);
return setup_group(grp);
}
static VALUE
Fetc_getgrnam(obj, nam)
VALUE obj, nam;
{
struct group *grp;
Check_Type(nam, T_STRING);
grp = getgrnam(RSTRING(nam)->ptr);
if (grp == Qnil) Fail("can't find group for %s", RSTRING(nam)->ptr);
return setup_group(grp);
}
static VALUE
Fetc_group(obj)
VALUE obj;
{
struct group *grp;
if (iterator_p()) {
setgrent();
while (grp = getgrent()) {
rb_yield(setup_group(grp));
}
endgrent();
return obj;
}
return setup_group(getgrent());
}
VALUE M_Etc;
Init_Etc()
{
M_Etc = rb_define_module("Etc");
rb_define_mfunc(M_Etc, "getlogin", Fetc_getlogin, 0);
rb_define_mfunc(M_Etc, "getpwuid", Fetc_getpwuid, -2);
rb_define_mfunc(M_Etc, "getpwnam", Fetc_getpwnam, 1);
rb_define_mfunc(M_Etc, "passwd", Fetc_passwd, 0);
rb_define_mfunc(M_Etc, "getgrgid", Fetc_getgrgid, 1);
rb_define_mfunc(M_Etc, "getgrnam", Fetc_getgrnam, 1);
rb_define_mfunc(M_Etc, "group", Fetc_group, 0);
}
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